From eb39fafa4f228271345b9d54d135caa9c0574361 Mon Sep 17 00:00:00 2001
From: Dominik Csapak <d.csapak@proxmox.com>
Date: Thu, 2 Apr 2020 09:24:29 +0200
Subject: [PATCH] first commit

includes a (minimal) working wrapper

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
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 create mode 100644 eslint/tests/lib/rules/no-useless-return.js
 create mode 100644 eslint/tests/lib/rules/no-var.js
 create mode 100644 eslint/tests/lib/rules/no-void.js
 create mode 100644 eslint/tests/lib/rules/no-warning-comments.js
 create mode 100644 eslint/tests/lib/rules/no-whitespace-before-property.js
 create mode 100644 eslint/tests/lib/rules/no-with.js
 create mode 100644 eslint/tests/lib/rules/nonblock-statement-body-position.js
 create mode 100644 eslint/tests/lib/rules/object-curly-newline.js
 create mode 100644 eslint/tests/lib/rules/object-curly-spacing.js
 create mode 100644 eslint/tests/lib/rules/object-property-newline.js
 create mode 100644 eslint/tests/lib/rules/object-shorthand.js
 create mode 100644 eslint/tests/lib/rules/one-var-declaration-per-line.js
 create mode 100644 eslint/tests/lib/rules/one-var.js
 create mode 100644 eslint/tests/lib/rules/operator-assignment.js
 create mode 100644 eslint/tests/lib/rules/operator-linebreak.js
 create mode 100644 eslint/tests/lib/rules/padded-blocks.js
 create mode 100644 eslint/tests/lib/rules/padding-line-between-statements.js
 create mode 100644 eslint/tests/lib/rules/prefer-arrow-callback.js
 create mode 100644 eslint/tests/lib/rules/prefer-const.js
 create mode 100644 eslint/tests/lib/rules/prefer-destructuring.js
 create mode 100644 eslint/tests/lib/rules/prefer-exponentiation-operator.js
 create mode 100644 eslint/tests/lib/rules/prefer-named-capture-group.js
 create mode 100644 eslint/tests/lib/rules/prefer-numeric-literals.js
 create mode 100644 eslint/tests/lib/rules/prefer-object-spread.js
 create mode 100644 eslint/tests/lib/rules/prefer-promise-reject-errors.js
 create mode 100644 eslint/tests/lib/rules/prefer-reflect.js
 create mode 100644 eslint/tests/lib/rules/prefer-regex-literals.js
 create mode 100644 eslint/tests/lib/rules/prefer-rest-params.js
 create mode 100644 eslint/tests/lib/rules/prefer-spread.js
 create mode 100644 eslint/tests/lib/rules/prefer-template.js
 create mode 100644 eslint/tests/lib/rules/quote-props.js
 create mode 100644 eslint/tests/lib/rules/quotes.js
 create mode 100644 eslint/tests/lib/rules/radix.js
 create mode 100644 eslint/tests/lib/rules/require-atomic-updates.js
 create mode 100644 eslint/tests/lib/rules/require-await.js
 create mode 100644 eslint/tests/lib/rules/require-jsdoc.js
 create mode 100644 eslint/tests/lib/rules/require-unicode-regexp.js
 create mode 100644 eslint/tests/lib/rules/require-yield.js
 create mode 100644 eslint/tests/lib/rules/rest-spread-spacing.js
 create mode 100644 eslint/tests/lib/rules/semi-spacing.js
 create mode 100644 eslint/tests/lib/rules/semi-style.js
 create mode 100644 eslint/tests/lib/rules/semi.js
 create mode 100644 eslint/tests/lib/rules/sort-imports.js
 create mode 100644 eslint/tests/lib/rules/sort-keys.js
 create mode 100644 eslint/tests/lib/rules/sort-vars.js
 create mode 100644 eslint/tests/lib/rules/space-before-blocks.js
 create mode 100644 eslint/tests/lib/rules/space-before-function-paren.js
 create mode 100644 eslint/tests/lib/rules/space-in-parens.js
 create mode 100644 eslint/tests/lib/rules/space-infix-ops.js
 create mode 100644 eslint/tests/lib/rules/space-unary-ops.js
 create mode 100644 eslint/tests/lib/rules/spaced-comment.js
 create mode 100644 eslint/tests/lib/rules/strict.js
 create mode 100644 eslint/tests/lib/rules/switch-colon-spacing.js
 create mode 100644 eslint/tests/lib/rules/symbol-description.js
 create mode 100644 eslint/tests/lib/rules/template-curly-spacing.js
 create mode 100644 eslint/tests/lib/rules/template-tag-spacing.js
 create mode 100644 eslint/tests/lib/rules/unicode-bom.js
 create mode 100644 eslint/tests/lib/rules/use-isnan.js
 create mode 100644 eslint/tests/lib/rules/utils/ast-utils.js
 create mode 100644 eslint/tests/lib/rules/utils/fix-tracker.js
 create mode 100644 eslint/tests/lib/rules/valid-jsdoc.js
 create mode 100644 eslint/tests/lib/rules/valid-typeof.js
 create mode 100644 eslint/tests/lib/rules/vars-on-top.js
 create mode 100644 eslint/tests/lib/rules/wrap-iife.js
 create mode 100644 eslint/tests/lib/rules/wrap-regex.js
 create mode 100644 eslint/tests/lib/rules/yield-star-spacing.js
 create mode 100644 eslint/tests/lib/rules/yoda.js
 create mode 100644 eslint/tests/lib/shared/config-ops.js
 create mode 100644 eslint/tests/lib/shared/config-validator.js
 create mode 100644 eslint/tests/lib/shared/naming.js
 create mode 100644 eslint/tests/lib/shared/runtime-info.js
 create mode 100644 eslint/tests/lib/shared/traverser.js
 create mode 100644 eslint/tests/lib/source-code/source-code.js
 create mode 100644 eslint/tests/lib/source-code/token-store.js
 create mode 100644 eslint/tests/performance/jshint.js
 create mode 100644 eslint/tests/tests.htm
 create mode 100644 eslint/tests/tools/code-sample-minimizer.js
 create mode 100644 eslint/tests/tools/internal-rules/consistent-docs-url.js
 create mode 100644 eslint/tests/tools/internal-rules/consistent-meta-messages.js
 create mode 100644 eslint/tests/tools/internal-rules/multiline-comment-style.js
 create mode 100644 eslint/tests/tools/internal-rules/no-invalid-meta.js
 create mode 100644 eslint/tests/tools/loose-parser.js
 create mode 100644 eslint/tools/code-sample-minimizer.js
 create mode 100644 eslint/tools/fuzzer-runner.js
 create mode 100644 eslint/tools/internal-rules/consistent-docs-url.js
 create mode 100644 eslint/tools/internal-rules/consistent-meta-messages.js
 create mode 100644 eslint/tools/internal-rules/index.js
 create mode 100644 eslint/tools/internal-rules/multiline-comment-style.js
 create mode 100644 eslint/tools/internal-rules/no-invalid-meta.js
 create mode 100644 eslint/tools/internal-rules/package.json
 create mode 100644 eslint/tools/internal-testers/event-generator-tester.js
 create mode 100644 eslint/tools/internal-testers/test-parser.js
 create mode 100644 eslint/tools/rule-types.json
 create mode 100644 eslint/tools/update-readme.js
 create mode 100644 eslint/tools/update-rule-types.js
 create mode 100644 eslint/webpack.config.js
 create mode 100644 patches/0001-adapt-webpack-config.patch
 create mode 100644 patches/series
 create mode 100644 src/Makefile
 create mode 100644 src/app.js
 create mode 100755 src/eslint.js

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ffa69a8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.tmp
+eslint-*
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..d264323
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,67 @@
+include /usr/share/dpkg/pkg-info.mk
+
+PACKAGE=pve-eslint
+
+GITVERSION:=$(shell git rev-parse HEAD)
+BUILDDIR ?= ${PACKAGE}-${DEB_VERSION_UPSTREAM}
+
+DEB=${PACKAGE}_${DEB_VERSION_UPSTREAM_REVISION}_all.deb
+
+SRCDIR=src
+UPSTREAM=eslint
+UPSTREAMTAG=v7.0.0-alpha.3
+BUILDSRC=${UPSTREAM}-${UPSTREAMTAG}
+
+all: ${DEB}
+	@echo ${DEB}
+
+.PHONY: deb
+deb: ${DEB}
+${DEB}: ${SRCDIR}
+	rm -rf ${BUILDDIR}
+	mkdir ${BUILDDIR}
+	cp -a debian ${BUILDDIR}/
+	cp -a ${SRCDIR}/* ${BUILDDIR}/
+	echo "git clone git://git.proxmox.com/git/pve-eslint.git\\ngit checkout ${GITVERSION}" > ${BUILDDIR}/debian/SOURCE
+	cd ${BUILDDIR}; dpkg-buildpackage -rfakeroot -b -uc -us
+	lintian ${DEB}
+	@echo ${DEB}
+
+.PHONY: download
+download:
+	rm -rf ${UPSTREAM}.tmp ${UPSTREAM}
+	git clone -b ${UPSTREAMTAG} --depth 1 https://github.com/eslint/eslint ${UPSTREAM}.tmp
+	rm -rf ${UPSTREAM}.tmp/.git
+	find ${UPSTREAM}.tmp/ -type f -name '.gitignore' -delete
+	mv ${UPSTREAM}.tmp ${UPSTREAM}
+
+# NOTE: needs npm installed, downloads packages from npm
+.PHONY: buildupstream
+buildupstream: ${BUILDSRC}
+	cp ${BUILDSRC}/build/eslint.js ${SRCDIR}/eslint.js
+
+${BUILDSRC}: ${UPSTREAM} patches
+	rm -rf $@
+	mkdir $@.tmp
+	rsync -ra ${UPSTREAM}/ $@.tmp
+	cd $@.tmp; ln -s ../patches patches
+	cd $@.tmp; quilt push -a
+	cd $@.tmp; rm -rf .pc ./patches
+	mv $@.tmp $@
+	cd $@; npm install
+	cd $@; npm run webpack
+
+.PHONY: upload
+upload: ${DEB}
+	tar cf - ${DEB} | ssh -X repoman@repo.proxmox.com -- upload --product pmg,pve --dist buster
+
+.PHONY: distclean
+distclean: clean
+
+.PHONY: clean
+clean:
+	rm -rf *~ debian/*~ *.deb ${BUILDSRC} ${BUILDSRC}.tmp ${UPSTREAM}.tmp ${BUILDDIR} *.changes *.dsc *.buildinfo
+
+.PHONY: dinstall
+dinstall: deb
+	dpkg -i ${DEB}
diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000..d211385
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,6 @@
+pve-eslint (1.0-1) unstable; urgency=low
+
+  * first version
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 02 Apr 2020 09:16:33 +0200
+
diff --git a/debian/compat b/debian/compat
new file mode 100644
index 0000000..f599e28
--- /dev/null
+++ b/debian/compat
@@ -0,0 +1 @@
+10
diff --git a/debian/control b/debian/control
new file mode 100644
index 0000000..6a49d6b
--- /dev/null
+++ b/debian/control
@@ -0,0 +1,12 @@
+Source: pve-eslint
+Section: devel
+Priority: optional
+Maintainer: Proxmox Support Team <support@proxmox.com>
+Build-Depends: debhelper (>= 7.0.0~)
+
+Package: pve-eslint
+Architecture: all
+Depends: node-commander, node-colors, nodejs
+Description: ESLint for Proxmox Virtual Environment development
+ This package contains a version of eslint used to develop the
+ Proxmox Virtual Environment GUI.
diff --git a/debian/copyright b/debian/copyright
new file mode 100644
index 0000000..50e7951
--- /dev/null
+++ b/debian/copyright
@@ -0,0 +1,40 @@
+Copyright (C) 2020 Proxmox Server Solutions GmbH
+
+This software is written by Proxmox Server Solutions GmbH <support@proxmox.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+-------------
+
+eslint
+
+Copyright JS Foundation and other contributors, https://js.foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/debian/rules b/debian/rules
new file mode 100755
index 0000000..2d33f6a
--- /dev/null
+++ b/debian/rules
@@ -0,0 +1,4 @@
+#!/usr/bin/make -f
+
+%:
+	dh $@
diff --git a/eslint/.codeclimate.yml b/eslint/.codeclimate.yml
new file mode 100644
index 0000000..093f5ca
--- /dev/null
+++ b/eslint/.codeclimate.yml
@@ -0,0 +1,9 @@
+languages:
+  JavaScript: true
+
+exclude_paths:
+  - tests/**
+
+engines:
+  eslint:
+    enabled: true
diff --git a/eslint/.editorconfig b/eslint/.editorconfig
new file mode 100644
index 0000000..646b08e
--- /dev/null
+++ b/eslint/.editorconfig
@@ -0,0 +1,18 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+end_of_line = lf
+insert_final_newline = true
+
+[docs/rules/linebreak-style.md]
+end_of_line = disabled
+
+[{docs/rules/{indent.md,no-mixed-spaces-and-tabs.md}]
+indent_style = disabled
+indent_size = disabled
+
+[docs/rules/no-trailing-spaces.md]
+trim_trailing_whitespace = false
diff --git a/eslint/.eslintignore b/eslint/.eslintignore
new file mode 100644
index 0000000..b8414c9
--- /dev/null
+++ b/eslint/.eslintignore
@@ -0,0 +1,12 @@
+/build/**
+/coverage/**
+/docs/**
+/jsdoc/**
+/templates/**
+/tests/bench/**
+/tests/fixtures/**
+/tests/performance/**
+/tmp/**
+/tools/internal-rules/node_modules/**
+test.js
+!.eslintrc.js
diff --git a/eslint/.eslintrc.js b/eslint/.eslintrc.js
new file mode 100644
index 0000000..6ab4510
--- /dev/null
+++ b/eslint/.eslintrc.js
@@ -0,0 +1,190 @@
+"use strict";
+
+const internalFiles = [
+    "**/cli-engine/**/*",
+    "**/init/**/*",
+    "**/linter/**/*",
+    "**/rule-tester/**/*",
+    "**/rules/**/*",
+    "**/source-code/**/*"
+];
+
+module.exports = {
+    root: true,
+    plugins: [
+        "eslint-plugin",
+        "internal-rules"
+    ],
+    extends: [
+        "eslint",
+        "plugin:eslint-plugin/recommended"
+    ],
+    parserOptions: {
+        ecmaVersion: 2020
+    },
+    rules: {
+        "eslint-plugin/consistent-output": "error",
+        "eslint-plugin/no-deprecated-context-methods": "error",
+        "eslint-plugin/prefer-output-null": "error",
+        "eslint-plugin/prefer-placeholders": "error",
+        "eslint-plugin/report-message-format": ["error", "[^a-z].*\\.$"],
+        "eslint-plugin/require-meta-docs-description": "error",
+        "eslint-plugin/require-meta-type": "error",
+        "eslint-plugin/test-case-property-ordering": [
+            "error",
+
+            // https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/issues/79
+            [
+                "filename",
+                "code",
+                "output",
+                "options",
+                "parser",
+                "parserOptions",
+                "globals",
+                "env",
+                "errors"
+            ]
+        ],
+        "eslint-plugin/test-case-shorthand-strings": "error",
+        "internal-rules/multiline-comment-style": "error"
+    },
+    overrides: [
+        {
+            files: ["lib/rules/*", "tools/internal-rules/*"],
+            excludedFiles: ["index.js"],
+            rules: {
+                "internal-rules/no-invalid-meta": "error"
+
+                /*
+                 * TODO: enable it when all the rules using meta.messages
+                 * "internal-rules/consistent-meta-messages": "error"
+                 */
+            }
+        },
+        {
+            files: ["lib/rules/*"],
+            excludedFiles: ["index.js"],
+            rules: {
+                "internal-rules/consistent-docs-url": "error"
+            }
+        },
+        {
+            files: ["tests/**/*"],
+            env: { mocha: true },
+            rules: {
+                "no-restricted-syntax": ["error", {
+                    selector: "CallExpression[callee.object.name='assert'][callee.property.name='doesNotThrow']",
+                    message: "`assert.doesNotThrow()` should be replaced with a comment next to the code."
+                }]
+            }
+        },
+
+        // Restrict relative path imports
+        {
+            files: ["lib/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/cli-engine/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "**/init"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/init/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "**/rule-tester"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/linter/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "fs",
+                        "**/cli-engine",
+                        "**/init",
+                        "**/rule-tester"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/rules/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "fs",
+                        "**/cli-engine",
+                        "**/init",
+                        "**/linter",
+                        "**/rule-tester",
+                        "**/source-code"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/shared/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "**/cli-engine",
+                        "**/init",
+                        "**/linter",
+                        "**/rule-tester",
+                        "**/source-code"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/source-code/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "fs",
+                        "**/cli-engine",
+                        "**/init",
+                        "**/linter",
+                        "**/rule-tester",
+                        "**/rules"
+                    ]
+                }]
+            }
+        },
+        {
+            files: ["lib/rule-tester/**/*"],
+            rules: {
+                "no-restricted-modules": ["error", {
+                    patterns: [
+                        ...internalFiles,
+                        "**/cli-engine",
+                        "**/init"
+                    ]
+                }]
+            }
+        }
+    ]
+};
diff --git a/eslint/.gitattributes b/eslint/.gitattributes
new file mode 100644
index 0000000..1df2587
--- /dev/null
+++ b/eslint/.gitattributes
@@ -0,0 +1,8 @@
+# Convert text file line endings to lf
+* text=auto
+
+*.js text eol=lf
+
+# The test fixtures are text files.
+/tests/fixtures/**/* text eol=lf
+/tests/fixtures/ignored-paths/crlf/.eslintignore text eol=crlf
diff --git a/eslint/.github/FUNDING.yml b/eslint/.github/FUNDING.yml
new file mode 100644
index 0000000..fec5535
--- /dev/null
+++ b/eslint/.github/FUNDING.yml
@@ -0,0 +1,2 @@
+github: eslint
+open_collective: eslint
diff --git a/eslint/.github/ISSUE_TEMPLATE.md b/eslint/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 0000000..2e492e4
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,53 @@
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+    This template is for bug reports. If you are here for another reason, please see below:
+
+    1. To propose a new rule: https://eslint.org/docs/developer-guide/contributing/new-rules
+    2. To request a rule change: https://eslint.org/docs/developer-guide/contributing/rule-changes
+    3. To request a change that is not a bug fix, rule change, or new rule: https://eslint.org/docs/developer-guide/contributing/changes
+    4. If you have any questions, please stop by our chatroom: https://gitter.im/eslint/eslint
+
+    Note that leaving sections blank will make it difficult for us to troubleshoot and we may have to close the issue.
+-->
+
+**Tell us about your environment**
+
+<!--
+    If you are using ESLint v6.5.0 or later, you can run ESLint with the `--env-info` flag and paste the output here.
+-->
+
+* **ESLint Version:**
+* **Node Version:**
+* **npm Version:**
+
+**What parser (default, Babel-ESLint, etc.) are you using?**
+
+**Please show your full configuration:**
+
+<details>
+<summary>Configuration</summary>
+
+<!-- Paste your configuration below: -->
+```js
+
+```
+
+</details>
+
+**What did you do? Please include the actual source code causing the issue, as well as the command that you used to run ESLint.**
+
+<!-- Paste the source code below: -->
+```js
+
+```
+
+<!-- Paste the command you used to run ESLint: -->
+```bash
+
+```
+
+**What did you expect to happen?**
+
+**What actually happened? Please include the actual, raw output from ESLint.**
+
diff --git a/eslint/.github/ISSUE_TEMPLATE/BUG_REPORT.md b/eslint/.github/ISSUE_TEMPLATE/BUG_REPORT.md
new file mode 100644
index 0000000..dd7c10d
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/BUG_REPORT.md
@@ -0,0 +1,65 @@
+---
+name: "\U0001F41E  Bug report"
+about: Report an issue with ESLint or rules bundled with ESLint
+title: ''
+labels: bug, triage
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+    This template is for bug reports. If you are here for another reason, please see below:
+
+    1. To propose a new rule: https://eslint.org/docs/developer-guide/contributing/new-rules
+    2. To request a rule change: https://eslint.org/docs/developer-guide/contributing/rule-changes
+    3. To request a change that is not a bug fix, rule change, or new rule: https://eslint.org/docs/developer-guide/contributing/changes
+    4. If you have any questions, please stop by our chatroom: https://gitter.im/eslint/eslint
+
+    Note that leaving sections blank will make it difficult for us to troubleshoot and we may have to close the issue.
+-->
+
+**Tell us about your environment**
+
+<!--
+    If you are using ESLint v6.5.0 or later, you can run ESLint with the `--env-info` flag and paste the output here.
+-->
+
+* **ESLint Version:**
+* **Node Version:**
+* **npm Version:**
+
+**What parser (default, Babel-ESLint, etc.) are you using?**
+
+**Please show your full configuration:**
+
+<details>
+<summary>Configuration</summary>
+
+<!-- Paste your configuration below: -->
+```js
+
+```
+
+</details>
+
+**What did you do? Please include the actual source code causing the issue, as well as the command that you used to run ESLint.**
+
+<!-- Paste the source code below: -->
+```js
+
+```
+
+<!-- Paste the command you used to run ESLint: -->
+```bash
+
+```
+
+**What did you expect to happen?**
+
+
+**What actually happened? Please include the actual, raw output from ESLint.**
+
+
+**Are you willing to submit a pull request to fix this bug?**
diff --git a/eslint/.github/ISSUE_TEMPLATE/CHANGE.md b/eslint/.github/ISSUE_TEMPLATE/CHANGE.md
new file mode 100644
index 0000000..6cf6425
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/CHANGE.md
@@ -0,0 +1,32 @@
+---
+name: "\U0001F4DD Non-rule change request"
+about: Request a change that is not a bug fix, rule change, or new rule
+title: ''
+labels: enhancement, triage, core
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+    This template is for requesting a change that is not a bug fix, rule change, or new rule. If you are here for another reason, please see below:
+
+    1. To report a bug: https://eslint.org/docs/developer-guide/contributing/reporting-bugs
+    2. To request a rule change: https://eslint.org/docs/developer-guide/contributing/rule-changes
+    3. To propose a new rule: https://eslint.org/docs/developer-guide/contributing/new-rules
+    4. If you have any questions, please stop by our chatroom: https://gitter.im/eslint/eslint
+
+    Note that leaving sections blank will make it difficult for us to troubleshoot and we may have to close the issue.
+-->
+
+**The version of ESLint you are using.**
+
+
+**The problem you want to solve.**
+
+
+**Your take on the correct solution to problem.**
+
+
+**Are you willing to submit a pull request to implement this change?**
diff --git a/eslint/.github/ISSUE_TEMPLATE/NEW_RULE.md b/eslint/.github/ISSUE_TEMPLATE/NEW_RULE.md
new file mode 100644
index 0000000..598e89c
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/NEW_RULE.md
@@ -0,0 +1,42 @@
+---
+name: "\U0001F680 New rule proposal"
+about: Propose a new rule to be added to ESLint
+title: ''
+labels: triage, rule, feature
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+    This template is for new rule proposals. If you are proposing a new rule, please continue on. If you are here for another reason, please see below:
+
+    1. To report a bug: https://eslint.org/docs/developer-guide/contributing/reporting-bugs
+    2. To request a rule change: https://eslint.org/docs/developer-guide/contributing/rule-changes
+    3. To request a change that is not a bug fix, rule change, or new rule: https://eslint.org/docs/developer-guide/contributing/changes
+    4. If you have any questions, please stop by our chatroom: https://gitter.im/eslint/eslint
+
+    Note that leaving sections blank will make it difficult for us to troubleshoot and we may have to close the issue.
+-->
+
+**Please describe what the rule should do:**
+
+**What category of rule is this? (place an "X" next to just one item)**
+
+[ ] Warns about a potential error (problem)
+[ ] Suggests an alternate way of doing something (suggestion)
+[ ] Enforces code style (layout)
+[ ] Other (please specify:)
+
+**Provide 2-3 code examples that this rule will warn about:**
+
+<!-- Put your code examples here -->
+```js
+
+```
+
+**Why should this rule be included in ESLint (instead of a plugin)?**
+
+
+**Are you willing to submit a pull request to implement this rule?**
diff --git a/eslint/.github/ISSUE_TEMPLATE/QUESTION.md b/eslint/.github/ISSUE_TEMPLATE/QUESTION.md
new file mode 100644
index 0000000..375e217
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/QUESTION.md
@@ -0,0 +1,25 @@
+---
+name: "⛔ Question"
+about: Please go to https://gitter.im/eslint/eslint
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+
+    Please do not use GitHub for asking questions. Instead,
+    please visit our chatroom:
+
+        https://gitter.im/eslint/eslint
+
+    Or our mailing list:
+
+        https://groups.google.com/group/eslint
+
+    Thanks in advance for helping us keep the issue tracker
+    clean!
+-->
diff --git a/eslint/.github/ISSUE_TEMPLATE/RULE_CHANGE.md b/eslint/.github/ISSUE_TEMPLATE/RULE_CHANGE.md
new file mode 100644
index 0000000..d735010
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/RULE_CHANGE.md
@@ -0,0 +1,40 @@
+---
+name: "\U0001F4DD Rule change request"
+about: Request a change to an existing rule
+title: ''
+labels: enhancement, triage, rule
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+    This template is for requesting a rule change. If you are here for another reason, please see below:
+
+    1. To report a bug: https://eslint.org/docs/developer-guide/contributing/reporting-bugs
+    2. To propose a new rule: https://eslint.org/docs/developer-guide/contributing/new-rules
+    3. To request a change that is not a bug fix, rule change, or new rule: https://eslint.org/docs/developer-guide/contributing/changes
+    4. If you have any questions, please stop by our chatroom: https://gitter.im/eslint/eslint
+
+    Note that leaving sections blank will make it difficult for us to troubleshoot and we may have to close the issue.
+-->
+
+**What rule do you want to change?**
+
+**Does this change cause the rule to produce more or fewer warnings?**
+
+**How will the change be implemented? (New option, new default behavior, etc.)?**
+
+**Please provide some example code that this change will affect:**
+
+<!-- Put your code examples here -->
+```js
+
+```
+
+**What does the rule currently do for this code?**
+
+**What will the rule do after it's changed?**
+
+**Are you willing to submit a pull request to implement this change?**
diff --git a/eslint/.github/ISSUE_TEMPLATE/SECURITY.md b/eslint/.github/ISSUE_TEMPLATE/SECURITY.md
new file mode 100644
index 0000000..c04f525
--- /dev/null
+++ b/eslint/.github/ISSUE_TEMPLATE/SECURITY.md
@@ -0,0 +1,22 @@
+---
+name: "⛔ Security issue"
+about: Please file security issues at https://hackerone.com/eslint
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+
+    STOP! Please do not use GitHub for filing security issues.
+    Doing so is insecure and may put other ESLint users at risk.
+    To securely notify us of a security issue, please go to:
+        
+        https://hackerone.com/eslint
+
+    Thanks in advance for helping us keep the ESLint community
+    safe and secure.
+-->
diff --git a/eslint/.github/PULL_REQUEST_TEMPLATE.md b/eslint/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..792638e
--- /dev/null
+++ b/eslint/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,42 @@
+<!--
+    Thank you for contributing!
+
+    ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+-->
+
+#### Prerequisites checklist
+
+- [ ] I have read the [contributing guidelines](https://github.com/eslint/eslint/blob/master/CONTRIBUTING.md).
+- [ ] The team has reached consensus on the changes proposed in this pull request. If not, I understand that the evaluation process will begin with this pull request and won't be merged until the team has reached consensus.
+
+#### What is the purpose of this pull request? (put an "X" next to an item)
+
+[ ] Documentation update
+[ ] Bug fix ([template](https://raw.githubusercontent.com/eslint/eslint/master/templates/bug-report.md))
+[ ] New rule ([template](https://raw.githubusercontent.com/eslint/eslint/master/templates/rule-proposal.md))
+[ ] Changes an existing rule ([template](https://raw.githubusercontent.com/eslint/eslint/master/templates/rule-change-proposal.md))
+[ ] Add autofixing to a rule
+[ ] Add a CLI option
+[ ] Add something to the core
+[ ] Other, please explain:
+
+<!--
+    If the item you've checked above has a template, please paste the template questions below and answer them. (If this pull request is addressing an issue, you can just paste a link to the issue here instead.)
+-->
+
+<!--
+    Please ensure your pull request is ready:
+
+    - Read the pull request guide (https://eslint.org/docs/developer-guide/contributing/pull-requests)
+    - Include tests for this change
+    - Update documentation for this change (if appropriate)
+-->
+
+<!--
+    The following is required for all pull requests:
+-->
+
+#### What changes did you make? (Give an overview)
+
+
+#### Is there anything you'd like reviewers to focus on?
diff --git a/eslint/.github/workflows/ci.yml b/eslint/.github/workflows/ci.yml
new file mode 100644
index 0000000..f1da882
--- /dev/null
+++ b/eslint/.github/workflows/ci.yml
@@ -0,0 +1,67 @@
+name: CI
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  verify_files:
+    name: Verify Files
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+    - name: Install Packages
+      run: npm install
+    - name: Lint Files
+      run: node Makefile lint
+    - name: Check Rule Files
+      run: node Makefile checkRuleFiles
+    - name: Check Licenses
+      run: node Makefile checkLicenses
+
+  test_on_node:
+    name: Test
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        node: [13.x, 12.x, 10.x, "10.12.0"]
+        exclude:
+        - os: windows-latest
+          node: "10.12.0"
+        - os: windows-latest
+          node: 10.x
+        - os: windows-latest
+          node: 13.x
+        - os: macOS-latest
+          node: "10.12.0"
+        - os: macOS-latest
+          node: 10.x
+        - os: macOS-latest
+          node: 13.x
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node }}
+    - name: Install Packages
+      run: npm install
+    - name: Test
+      run: node Makefile mocha
+    - name: Fuzz Test
+      run: node Makefile fuzz
+
+  test_on_browser:
+    name: Browser Test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+    - name: Install Packages
+      run: npm install
+    - name: Test
+      run: node Makefile karma
+    - name: Fuzz Test
+      run: node Makefile fuzz
diff --git a/eslint/.markdownlint.yml b/eslint/.markdownlint.yml
new file mode 100644
index 0000000..975106d
--- /dev/null
+++ b/eslint/.markdownlint.yml
@@ -0,0 +1,21 @@
+default: true
+
+# Exclusions for deliberate/widespread violations
+MD001: false     # Header levels should only increment by one level at a time
+MD002: false     # First header should be a h1 header
+MD007:           # Unordered list indentation
+    indent: 4
+MD012: false     # Multiple consecutive blank lines
+MD013: false     # Line length
+MD014: false     # Dollar signs used before commands without showing output
+MD019: false     # Multiple spaces after hash on atx style header
+MD021: false     # Multiple spaces inside hashes on closed atx style header
+MD024: false     # Multiple headers with the same content
+MD026: false     # Trailing punctuation in header
+MD029: false     # Ordered list item prefix
+MD030: false     # Spaces after list markers
+MD033: false     # Allow inline HTML
+MD034: false     # Bare URL used
+MD040: false     # Fenced code blocks should have a language specified
+MD041: false     # First line in file should be a top level header
+MD046: false     # Code block style
diff --git a/eslint/.npmrc b/eslint/.npmrc
new file mode 100644
index 0000000..c1ca392
--- /dev/null
+++ b/eslint/.npmrc
@@ -0,0 +1 @@
+package-lock = false
diff --git a/eslint/.nycrc b/eslint/.nycrc
new file mode 100644
index 0000000..040f203
--- /dev/null
+++ b/eslint/.nycrc
@@ -0,0 +1,13 @@
+{
+    "include": [
+        "bin/**/*.js",
+        "conf/**/*.js",
+        "lib/**/*.js"
+    ],
+    "reporter": [
+        "lcov",
+        "text-summary",
+        "cobertura"
+    ],
+    "sourceMap": true
+}
diff --git a/eslint/CHANGELOG.md b/eslint/CHANGELOG.md
new file mode 100644
index 0000000..feaeee4
--- /dev/null
+++ b/eslint/CHANGELOG.md
@@ -0,0 +1,5736 @@
+v7.0.0-alpha.3 - March 27, 2020
+
+* [`78c8cda`](https://github.com/eslint/eslint/commit/78c8cda5a5d82f5f8548c4528a6438d29756bb71) Breaking: RuleTester Improvements (refs eslint/rfcs#25) (#12955) (Milos Djermanovic)
+* [`e0f1b6c`](https://github.com/eslint/eslint/commit/e0f1b6c3d62f725b99b8c07654603b559ba43ba9) Update: stricter array index check in no-magic-numbers (fixes #12845) (#12851) (Milos Djermanovic)
+* [`362713c`](https://github.com/eslint/eslint/commit/362713c04aa89092b2b98a77fa94a75b3c933fc6) Update: Improve report location for template-curly-spacing (#12813) (Milos Djermanovic)
+* [`29f32db`](https://github.com/eslint/eslint/commit/29f32db68c921a857e17ae627923d87b9c8708de) Fix: Change error message logic for implicit file ignore (fixes #12873) (#12878) (Scott Hardin)
+* [`eb1a43c`](https://github.com/eslint/eslint/commit/eb1a43ce3113c906800192c3ef766d2ff188776f) Fix: require-await ignore async generators (fixes #12459) (#13048) (Anix)
+* [`920465b`](https://github.com/eslint/eslint/commit/920465b5d8d291df8bce7eef8a066b1dd43d8cae) Fix: getNameLocationInGlobalDirectiveComment end location (refs #12334) (#13086) (Milos Djermanovic)
+* [`ae14a02`](https://github.com/eslint/eslint/commit/ae14a021bbea5117fe366ae4ed235e8f08dc65a8) Fix: add end location to report in no-extra-bind (refs #12334) (#13083) (Milos Djermanovic)
+* [`105384c`](https://github.com/eslint/eslint/commit/105384ccc11dcd7303104fb5a347eda1d4d48357) Update: report operator location in operator-linebreak (refs #12334) (#13102) (Milos Djermanovic)
+* [`081e240`](https://github.com/eslint/eslint/commit/081e24022a40d9a026ddd2a85c68cb8c3f18dc53) Update: support globalThis in no-implied-eval (fixes #12670) (#13105) (YeonJuan)
+* [`185982d`](https://github.com/eslint/eslint/commit/185982d5615d325ae8b45c2360d5847df4098bda) Breaking: improve plugin resolving (refs eslint/rfcs#47) (#12922) (Toru Nagashima)
+* [`0c20bc0`](https://github.com/eslint/eslint/commit/0c20bc068e608869981a10711bba88ffde1539d8) Fix: check assignment property target in camelcase (fixes #13025) (#13027) (YeonJuan)
+* [`8d50a7d`](https://github.com/eslint/eslint/commit/8d50a7d82244d4912f3eab62a66c81c76c44a9da) Fix: add end location to report in no-prototype-builtins (refs #12334) (#13087) (Milos Djermanovic)
+* [`3e4e7f8`](https://github.com/eslint/eslint/commit/3e4e7f8d429dc70b78c0aefaa37f9c22a1e5fc0f) Fix: incorrect logic for required parens in no-extra-boolean-cast fixer (#13061) (Milos Djermanovic)
+* [`6c069f9`](https://github.com/eslint/eslint/commit/6c069f907a04268b671c7f949c04a508df9d42a3) Docs: Add comments to code block in example (#13089) (Kibeom Kwon)
+* [`ee1f053`](https://github.com/eslint/eslint/commit/ee1f0531aa534ef9182cf8586f55ad82aaa55e75) Docs: Fix typo (#13092) (Max Coplan)
+* [`76324ac`](https://github.com/eslint/eslint/commit/76324ace67893c3d7e38a369114d6128df9ffb65) Docs: Add further reading to rule (#13084) (Max Coplan)
+* [`a1370ab`](https://github.com/eslint/eslint/commit/a1370abed72e1fb93e601816d981fa6e46204afb) Update: Report constructor calls in no-obj-calls (#12909) (Milos Djermanovic)
+* [`2111c52`](https://github.com/eslint/eslint/commit/2111c52443e7641caad291e0daaea8e2fe6c4562) Upgrade: esquery@1.2.0 (#13076) (Milos Djermanovic)
+* [`3f7c9bf`](https://github.com/eslint/eslint/commit/3f7c9bf19615122fb776cdd13da532d860bd945a) Docs: clarify variables option in no-use-before-define (fixes #12986) (#13017) (Anix)
+* [`aef9488`](https://github.com/eslint/eslint/commit/aef9488c07d3da4becff6e8d6918824b53086d86) Fix: allow references to external globals in id-blacklist (fixes #12567) (#12987) (Milos Djermanovic)
+* [`4955c50`](https://github.com/eslint/eslint/commit/4955c50dc9e89b4077b28e35f065d45e89bdccd7) Fix: remove type arguments in prefer-object-spread (fixes #13058) (#13063) (Milos Djermanovic)
+* [`48b122f`](https://github.com/eslint/eslint/commit/48b122f450b14dd27afef4c8115c69fca4f02be1) Breaking: change relative paths with --config (refs eslint/rfcs#37) (#12887) (Toru Nagashima)
+* [`085979f`](https://github.com/eslint/eslint/commit/085979fed9a5e24a87e4d92ee79272b59211d03f) Update: consider env in no-implied-eval (fixes #12733) (#12757) (YeonJuan)
+* [`9ac5b9e`](https://github.com/eslint/eslint/commit/9ac5b9edf06d16a9216c2c9b02bb20b6aa8ed0ab) Docs: Clarify node_modules is ignored by default (fixes #13006) (#13054) (Mika Kuijpers)
+* [`0de91f3`](https://github.com/eslint/eslint/commit/0de91f39a97cdf530cb64edbadde57a2bb41ca86) Docs: removed correct code from incorrect eg (#13060) (Anix)
+* [`dbe357d`](https://github.com/eslint/eslint/commit/dbe357de199620675446464f6fd0e35064c4d247) Fix: check template literal in prefer-numeric-literals (fixes #13045) (#13046) (YeonJuan)
+* [`2260611`](https://github.com/eslint/eslint/commit/2260611e616bdc2a0bf16d508b60a50772ce7fbb) Fix: added async in allow method in no-empty-function (fixes #12768) (#13036) (Anix)
+* [`f3788af`](https://github.com/eslint/eslint/commit/f3788aff615edfbfb7afc4c491bb07d20737531b) Sponsors: Sync README with website (ESLint Jenkins)
+* [`e90b29b`](https://github.com/eslint/eslint/commit/e90b29bb1f41d4e5767e33d03db5984f036586ed) Update: Allow testing Suggestions with data in RuleTester (fixes #12606) (#12635) (Milos Djermanovic)
+* [`7224eee`](https://github.com/eslint/eslint/commit/7224eee3ff4b4378d3439deb038bf34b116fa48b) Fix: no-plusplus allow comma operands in for afterthought (fixes #13005) (#13024) (Milos Djermanovic)
+* [`7598cf8`](https://github.com/eslint/eslint/commit/7598cf816bd854de1dd7d96cf00dec6ecc4564ac) Fix: Newline before eof when creating config via --init (#12952) (Andreas Lind)
+* [`183e300`](https://github.com/eslint/eslint/commit/183e3006841c29efdd245c45a72e6cefac86ae35) Update: support globalThis (refs #12670) (#12774) (YeonJuan)
+* [`af7af9d`](https://github.com/eslint/eslint/commit/af7af9d32ea8073d2d0d726cc8551351261a170f) Docs: Update governance (#13055) (Nicholas C. Zakas)
+* [`31d5eb3`](https://github.com/eslint/eslint/commit/31d5eb3e60b6c2ee26976721f07cc89d60867659) Sponsors: Sync README with website (ESLint Jenkins)
+* [`95613d4`](https://github.com/eslint/eslint/commit/95613d46b7900b3d9757a7f6959d5dfb262f29fc) Upgrade: espree@6.2.1 (#13026) (Kai Cataldo)
+* [`f1525dc`](https://github.com/eslint/eslint/commit/f1525dc45dfdbbe31e724671270785b41cffc6bd) Sponsors: Sync README with website (ESLint Jenkins)
+* [`0243549`](https://github.com/eslint/eslint/commit/0243549db4d237cb78e720d55a9cae89b91f6830) Fix: camelcase false positive with computed property (fixes #13022) (#13023) (Milos Djermanovic)
+* [`bc0c02c`](https://github.com/eslint/eslint/commit/bc0c02cd0368559c7a7b1510eb4620022a4cc31c) Chore: added lock files to gitignore (#13015) (Anix)
+* [`79ac6cd`](https://github.com/eslint/eslint/commit/79ac6cd2d8e4c32e03dfea10a957806845058573) Docs: added less confusing explanation for func-style (fixes #12900) (#13004) (Anix)
+* [`26267ed`](https://github.com/eslint/eslint/commit/26267ed70270ef746b785c09e267f815bf7c596a) Chore: update GitHub Actions (#12984) (Pig Fang)
+* [`1299705`](https://github.com/eslint/eslint/commit/12997058626b5167ba4b9d2ae0d0ea965a01c4be) Update: acorn version (#13016) (Idan Avrahami)
+* [`6cef0d5`](https://github.com/eslint/eslint/commit/6cef0d50a0d131bc8897799a54e1af1d38606db4) Fix: Check division operator in astUtils.canTokensBeAdjacent (#12879) (Milos Djermanovic)
+* [`fd8e1f5`](https://github.com/eslint/eslint/commit/fd8e1f52110cada542a120750236fd1ec8779336) Sponsors: Sync README with website (ESLint Jenkins)
+* [`472025f`](https://github.com/eslint/eslint/commit/472025f2814d0360fe8d4cddbcba049982e1cd43) Chore: update space-before-function-paren in eslint-config-eslint (#12966) (Kai Cataldo)
+* [`fd8c42a`](https://github.com/eslint/eslint/commit/fd8c42ada52f0ae2488ad96ee8fee675f63134ce) Sponsors: Sync README with website (ESLint Jenkins)
+
+v7.0.0-alpha.2 - February 28, 2020
+
+* [`a5b41a7`](https://github.com/eslint/eslint/commit/a5b41a75b57572e97476b06ad39b768e15b9d844) Update: no-restricted-modules handle TemplateLiteral (fixes #12926) (#12927) (Michal Piechowiak)
+* [`051567a`](https://github.com/eslint/eslint/commit/051567adca7ca56d691bcda76f54ed72e3eae367) Update: check identifier in array pattern in id-length (fixes #12832) (#12839) (YeonJuan)
+* [`4af06fc`](https://github.com/eslint/eslint/commit/4af06fc49029dac5c9acfd53f01fd9527bfbb4aa) Breaking: Test with an unknown error property should fail in RuleTester (#12096) (Milos Djermanovic)
+* [`9038a29`](https://github.com/eslint/eslint/commit/9038a29569548c0563c29dbe9f7dae280ff3addd) Update: func-names `as-needed` false negative with AssignmentPattern (#12932) (Milos Djermanovic)
+* [`afde78b`](https://github.com/eslint/eslint/commit/afde78b125747ce5ad9e5f871122a0d370dd0152) Fix: curly removes necessary braces between if and else (fixes #12928) (#12943) (Milos Djermanovic)
+* [`4797fb2`](https://github.com/eslint/eslint/commit/4797fb2c29db97bc5cd23b40e5a9235fef1ea06a) Fix: arrow-body-style crash with object literal body (fixes #12884) (#12886) (Milos Djermanovic)
+* [`afa9aac`](https://github.com/eslint/eslint/commit/afa9aac6de9444e935a55b46311e5b5a58f86063) Breaking: class default `true` computed-property-spacing (fixes #12812) (#12915) (Milos Djermanovic)
+* [`b8e20d3`](https://github.com/eslint/eslint/commit/b8e20d33b7d6645266beef09cd231afaf5054328) Docs: Mention TypeScript's compiler check (#12903) (Benny Neugebauer)
+* [`de14d1c`](https://github.com/eslint/eslint/commit/de14d1ce0cf422b4100a686abb906f53fbf905b3) Fix: wrap-iife autofix removes mandatory parentheses (#12905) (Milos Djermanovic)
+* [`5775b06`](https://github.com/eslint/eslint/commit/5775b06a74573cbe068bea56b1d2376421f5e831) Fix: Optionally allow underscores in member names (#11972) (Edgardo Avilés)
+* [`e997f32`](https://github.com/eslint/eslint/commit/e997f32b936463ac38e8b0034f764c47502e56a8) Docs: Updated arrow-parens for minor grammar issue (#12962) (Tom)
+* [`7d52151`](https://github.com/eslint/eslint/commit/7d52151bcd5d5524f240588436a8808162be187f) Breaking: classes default `true` in accessor-pairs (fixes #12811) (#12919) (Milos Djermanovic)
+* [`cf14355`](https://github.com/eslint/eslint/commit/cf14355e34a6757e15806f8e493553bd7110fb36) Docs: Fix links to custom parsers doc (#12965) (Brandon Mills)
+* [`0dfc3ff`](https://github.com/eslint/eslint/commit/0dfc3ff9fb228e1d9b1df99de50033ce9140ac24) Fix: add end location to report in no-eval (#12960) (Milos Djermanovic)
+* [`f479f6f`](https://github.com/eslint/eslint/commit/f479f6fe2eb95156e22bebfccb39a7fc1f19e9c0) Docs: References correct config file name (#12885) (Patrick Kilgore)
+* [`78182e4`](https://github.com/eslint/eslint/commit/78182e45e0178d9eac2591944ef4daee21d2cb44) Breaking: Add new rules to eslint:recommended (fixes #12911) (#12920) (Milos Djermanovic)
+* [`8d5c434`](https://github.com/eslint/eslint/commit/8d5c434f721142be74c7515aaa935668a15b79b1) Docs: fix category descriptions for site generation (fixes #12894) (#12930) (Kai Cataldo)
+* [`05380e6`](https://github.com/eslint/eslint/commit/05380e6e7e19a79d26ea6d6b44a8d5ee7cde51c8) Docs: Remove claim about semicolons from docs (#12944) (Luke Sikina)
+* [`aa9d725`](https://github.com/eslint/eslint/commit/aa9d72525054e641231a2960a2e37b3716228056) Sponsors: Sync README with website (ESLint Jenkins)
+* [`7747177`](https://github.com/eslint/eslint/commit/7747177f8504961059b7c56bdb70a820bd1114c1) Update: report rename id destructuring in id-blacklist (fixes #12807) (#12923) (YeonJuan)
+* [`6423e11`](https://github.com/eslint/eslint/commit/6423e11c0bedd3b4e661ab554316bdeb1fc1ee3c) Breaking: check unnamed default export in func-names (fixes #12194) (#12195) (Chiawen Chen)
+* [`77df505`](https://github.com/eslint/eslint/commit/77df505d9a08496a8eaefeca4f885f54a21d5c5e) Update: check renaming identifier in object destructuring (fixes 12827) (#12881) (YeonJuan)
+* [`41de9df`](https://github.com/eslint/eslint/commit/41de9df41a30a4300243bfe4ca26f716a787b2fc) Update: enforceForLogicalOperands no-extra-boolean-cast (fixes #12137) (#12734) (jmoore914)
+
+v7.0.0-alpha.1 - February 14, 2020
+
+* [`f702b1a`](https://github.com/eslint/eslint/commit/f702b1a54820d2b4e4993dcded99f551a98b490f) Add missing plugin reference (#12796) (Eduard Bardají Puig)
+* [`1f1424c`](https://github.com/eslint/eslint/commit/1f1424cb200e609d58645f6c54739e11469e6265) Fix: fix inconsistently works option in no-extra-parens (fixes #12717) (#12843) (YeonJuan)
+* [`b5adcaa`](https://github.com/eslint/eslint/commit/b5adcaab93f388f1d8e9d35d6f5e8c2994240850) Fix: make YieldExpression throwable (fixes #12880) (#12897) (YeonJuan)
+* [`4293229`](https://github.com/eslint/eslint/commit/4293229709dde105692347241513766e953664dd) Breaking: use-isnan enforceForSwitchCase default `true` (fixes #12810) (#12913) (Milos Djermanovic)
+* [`cf38d0d`](https://github.com/eslint/eslint/commit/cf38d0d939b62f3670cdd59f0143fd896fccd771) Breaking: change default ignore pattern (refs eslint/rfcs#51) (#12888) (Toru Nagashima)
+* [`bfe1dc4`](https://github.com/eslint/eslint/commit/bfe1dc4e614640cb69032afbb5851c1493f537e3) Breaking: no-dupe-class-members checks some computed keys (fixes #12808) (#12837) (Milos Djermanovic)
+* [`1ee6b63`](https://github.com/eslint/eslint/commit/1ee6b6388305a8671c8d4c3cf30c2dbf18a1ff7e) Update: check template literal in yoda (fixes #12863) (#12876) (YeonJuan)
+* [`0ae7041`](https://github.com/eslint/eslint/commit/0ae70417af70ad565450d9e779ae78c05f6a51e2) Sponsors: Sync README with website (ESLint Jenkins)
+* [`1907e57`](https://github.com/eslint/eslint/commit/1907e57362f7d5f7a02a5a78f24ac3347f868e93) Chore: add Twitter and Open Collective badge (#12877) (Kai Cataldo)
+* [`95e0586`](https://github.com/eslint/eslint/commit/95e0586c95e6953d11983d1d11891ed30318109a) Fix: id-blacklist false positives on renamed imports (#12831) (Milos Djermanovic)
+* [`b7f0d20`](https://github.com/eslint/eslint/commit/b7f0d200c125b3d233ccafaabdaa61c66dc60e3c) Chore: Use consistent badge style (#12825) (fisker Cheung)
+* [`3734a66`](https://github.com/eslint/eslint/commit/3734a669983de7d5107ba8f39b291c6e3116489f) Chore: use ids for messages (#12859) (Gareth Jones)
+* [`824d235`](https://github.com/eslint/eslint/commit/824d23585c205f2993716585cb6f55dfbe4a33f0) Docs: add errorOnUnmatchedPattern option to CLIEngine (#12834) (Arthur Denner)
+* [`439c833`](https://github.com/eslint/eslint/commit/439c83342c364ba3ce5168d54e165b1fe3e35630) Update: array-callback-return checks Array.forEach (fixes #12551) (#12646) (Gabriel R Sezefredo)
+* [`33efd71`](https://github.com/eslint/eslint/commit/33efd71d7c3496b4b9cbfe006280527064940826) Docs: Fix spelling mistakes (#12861) (Bryan Mishkin)
+* [`a5b3c5f`](https://github.com/eslint/eslint/commit/a5b3c5fa4edc2312534af0d9f0911f68144f8baf) Docs: Update README team and sponsors (ESLint Jenkins)
+* [`0cae920`](https://github.com/eslint/eslint/commit/0cae9203a8077184ad6beb00028fd376cc806f34) Chore: rename shadowed global (#12862) (Tony Brix)
+* [`055b80d`](https://github.com/eslint/eslint/commit/055b80dc89bba2a5ab22f7a27deb40135b5cacfa) Chore: Fix typo in complexity.js (#12864) (Kyle Shevlin)
+* [`d6c313d`](https://github.com/eslint/eslint/commit/d6c313de794ea0671d35b5027288cd2ea456c0b5) Docs: add missing eslint comments in prefer-regex-literals examples (#12858) (Milos Djermanovic)
+* [`7d551ab`](https://github.com/eslint/eslint/commit/7d551ab8cbf2d3a802b0d0685379aa075fe9d7c0) Sponsors: Sync README with website (ESLint Jenkins)
+* [`540de8e`](https://github.com/eslint/eslint/commit/540de8e34d08f4b17b66b06d13927acb7552357a) Sponsors: Sync README with website (ESLint Jenkins)
+* [`ac5d515`](https://github.com/eslint/eslint/commit/ac5d515252c226f030fa646bf7635a12a3b856fe) Sponsors: Sync README with website (ESLint Jenkins)
+* [`dadc892`](https://github.com/eslint/eslint/commit/dadc8927820576c60b48bcbc7d5a9056a6279d30) Fix: operator-assignment crash on adjacent division assignment (#12844) (Milos Djermanovic)
+* [`9f39ef0`](https://github.com/eslint/eslint/commit/9f39ef0d4b398c7c09ceef89128da448680d587c) Chore: typo in PULL_REQUEST_TEMPLATE.md (#12848) (Balázs Orbán)
+* [`a60d5cd`](https://github.com/eslint/eslint/commit/a60d5cd2325ca72fa1b272b0b90ccd7904b92062) Chore: typo in no-irregular-whitespace.js (#12847) (Balázs Orbán)
+* [`691d19a`](https://github.com/eslint/eslint/commit/691d19a2872bffab50c0024d488b8cb33504cc83) Chore: add missing `ecmaVersion` 2020/11 type value (#12833) (Piotr Błażejewicz (Peter Blazejewicz))
+* [`516ddb3`](https://github.com/eslint/eslint/commit/516ddb37d39502e5a8c88a017ae3bad05046f41d) Sponsors: Sync README with website (ESLint Jenkins)
+* [`a9d92f9`](https://github.com/eslint/eslint/commit/a9d92f991d69902a9150db373590e2ed54dec988) Fix: radix rule crash on disabled globals (#12824) (Milos Djermanovic)
+* [`03a69db`](https://github.com/eslint/eslint/commit/03a69dbe86d5b5768a310105416ae726822e3c1c) Update: check template literal in no-proto, no-iterator (fixes #12801) (#12806) (YeonJuan)
+* [`562e784`](https://github.com/eslint/eslint/commit/562e7845946a490f2e173a0bcd1af631070a4eef) Update: fix no-magic-numbers false negative with ignoreArrayIndexes (#12805) (Milos Djermanovic)
+* [`f5b9656`](https://github.com/eslint/eslint/commit/f5b96564f732962f46755adbb33c49fae9af6a92) Chore: add test for no-constant-condition (#12836) (Milos Djermanovic)
+* [`533c114`](https://github.com/eslint/eslint/commit/533c1140dc98bebdc3ae8334ab2e6c27c7df0c21) Fix: multiline-comment-style rule add extra space after * (fixes #12785) (#12823) (Karthik Priyadarshan)
+* [`0460748`](https://github.com/eslint/eslint/commit/0460748cda67ddc4a4cb0db3cdf187a742d09bf8) Update: check template literal in no-constant-condition (fixes #12815) (#12816) (YeonJuan)
+* [`80309c3`](https://github.com/eslint/eslint/commit/80309c3791188ac5d1c4eebc99ede323a55336e6) Fix: no-constant-condition doesn't introspect arrays (fixes #12225) (#12307) (Sean Gray)
+* [`10a79a6`](https://github.com/eslint/eslint/commit/10a79a672b42d51539bcd6ace482be7afa5f34f8) Chore: Adopt `eslint-plugin/require-meta-docs-description` internally (#12762) (Bryan Mishkin)
+* [`aea1729`](https://github.com/eslint/eslint/commit/aea172998ec4e2af1d9186b6767c3f34428945f4) Docs: Fix anchor links in Node.js API TOC (#12821) (Matija Marohnić)
+* [`1b8a3ce`](https://github.com/eslint/eslint/commit/1b8a3ce15237b9085f2761dcf73655207e6169a6) Sponsors: Sync README with website (ESLint Jenkins)
+* [`c2217c0`](https://github.com/eslint/eslint/commit/c2217c04d6c82b160a21b00fca39c8acec543403) Breaking: make `radix` rule stricter (#12608) (fisker Cheung)
+
+v7.0.0-alpha.0 - January 17, 2020
+
+* [`1aa021d`](https://github.com/eslint/eslint/commit/1aa021d77fdd2c68d7b7d2f4603252110c414b32) Breaking: lint `overrides` files (fixes #10828, refs eslint/rfcs#20) (#12677) (Toru Nagashima)
+* [`e59d775`](https://github.com/eslint/eslint/commit/e59d77536bd8db57e8a75cd5245f6f320aa699f8) Update: Separate pattern/expression options for array-element-newline (#11796) (jacobparish)
+* [`f8f115a`](https://github.com/eslint/eslint/commit/f8f115af6e10539e6cad485588187cb11917f8c9) Update: treat comment tokens in template-curly-spacing (fixes #12744) (#12775) (YeonJuan)
+* [`b50179d`](https://github.com/eslint/eslint/commit/b50179def3fedbd95fdeab25e32c2511867eb760) Breaking: Check assignment targets in no-extra-parens (#12490) (Milos Djermanovic)
+* [`de4fa7c`](https://github.com/eslint/eslint/commit/de4fa7c65c7befefa64d1605550267071ee56a5d) Fix: wrong indent at tagged template in indent (fixes #12122) (#12596) (YeonJuan)
+* [`d86a5bb`](https://github.com/eslint/eslint/commit/d86a5bbb1987d858d4963f647b0af5c1fd924b4f) Breaking: Check flatMap in array-callback-return (fixes #12235) (#12765) (Milos Djermanovic)
+* [`cf46df7`](https://github.com/eslint/eslint/commit/cf46df70158a4ed4c09d5c9d655c07dc6df3ff5e) Breaking: description in directive comments (refs eslint/rfcs#33) (#12699) (Toru Nagashima)
+* [`7350589`](https://github.com/eslint/eslint/commit/7350589a5bdfc9d75d1ff19364f476eec44c3911) Breaking: some rules recognize bigint literals (fixes #11803) (#12701) (Toru Nagashima)
+* [`16a1c1f`](https://github.com/eslint/eslint/commit/16a1c1f79bc0a4cc1c3a87e98d220041de88bb93) Fix: prefer-object-spread false positives with accessors (fixes #12086) (#12784) (Milos Djermanovic)
+* [`f9774ec`](https://github.com/eslint/eslint/commit/f9774ec11b0ebe63fb16a97b97890efb84699548) New: Add default-case-last rule (fixes #12665) (#12668) (Milos Djermanovic)
+* [`9a93d9e`](https://github.com/eslint/eslint/commit/9a93d9ef389c49a133c4df4f9843927f5f806423) Update: fix no-restricted-imports export * false negative (fixes #12737) (#12798) (Milos Djermanovic)
+* [`0d8c0af`](https://github.com/eslint/eslint/commit/0d8c0affe1ae7ecf228cdf91b490921f7e9d1fdb) Fix: improve report location for computed-property-spacing (#12795) (Milos Djermanovic)
+* [`756b95d`](https://github.com/eslint/eslint/commit/756b95d59fb97cd9b3f3adf98cebf529fe4842a2) Fix: id-blacklist should ignore ObjectPatterns (fixes #12787) (#12792) (JP Ramassini)
+* [`561b6d4`](https://github.com/eslint/eslint/commit/561b6d4726f3e77dd40ba0d340ca7f08429cd2eb) Chore: add prerequisites checklist to PR template (#12790) (Kai Cataldo)
+* [`01ff791`](https://github.com/eslint/eslint/commit/01ff7910af86fc45b76e883bc9ab00c9be3b50ac) Fix: Display pipe character correctly in test output (#12771) (Brad Zacher)
+* [`68becbd`](https://github.com/eslint/eslint/commit/68becbd84e8a0693409d36f2be10679c483e233a) Update: fix no-restricted-imports importNames reporting (fixes #12282) (#12711) (Andrey Alexandrov)
+* [`ae959b6`](https://github.com/eslint/eslint/commit/ae959b691fb148ac8b474c924c8cb01ef61c436d) Update: report double extra parens in no-extra-parens (fixes #12127) (#12697) (YeonJuan)
+* [`02fcc05`](https://github.com/eslint/eslint/commit/02fcc055710e8d69d986f1e682cae2014ad881e2) Docs: Improve sort-keys (#12791) (Steven Vachon)
+* [`35cd958`](https://github.com/eslint/eslint/commit/35cd95893be0afd8c954cbcf9268c2aa045b7d5b) Sponsors: Sync README with website (ESLint Jenkins)
+* [`a1d999c`](https://github.com/eslint/eslint/commit/a1d999c6b4e51c317ad409110be7be214ff9f7c6) New: Add no-useless-backreference rule (fixes #12673) (#12690) (Milos Djermanovic)
+* [`b2c6209`](https://github.com/eslint/eslint/commit/b2c62096a8b318765d618cab222240f87d73063b) Update: fix no-extra-parens CallExpression#callee false negatives (#12743) (Milos Djermanovic)
+* [`14b42c3`](https://github.com/eslint/eslint/commit/14b42c386be3387c415267b789f277e1294d4567) Update: fix counting jsx comment len in max-len (fixes #12213) (#12661) (YeonJuan)
+* [`e632c31`](https://github.com/eslint/eslint/commit/e632c31d7e5363f1347b787702ecd4a85f5c11a2) Upgrade: several dependencies (#12753) (Toru Nagashima)
+* [`25eb703`](https://github.com/eslint/eslint/commit/25eb703c8758563988ffb497a53f89a3ed345399) Docs: fix dead link in max-lines rule docs (#12766) (Christian Bundy)
+* [`9dfc850`](https://github.com/eslint/eslint/commit/9dfc8501fb1956c90dc11e6377b4cb38a6bea65d) Chore: Refactor to use messageId in a number of rules (#12715) (Brad Zacher)
+* [`1118fce`](https://github.com/eslint/eslint/commit/1118fceb49af3436b8dcd0c6089f913cedf9a329) Breaking: runtime-deprecation on '~/.eslintrc' (refs eslint/rfcs#32) (#12678) (Toru Nagashima)
+* [`2c28fbb`](https://github.com/eslint/eslint/commit/2c28fbbb563a44282bef0c9fcc9be29d611cc83b) Breaking: drop Node.js 8 support (refs eslint/rfcs#44) (#12700) (Toru Nagashima)
+* [`098b67d`](https://github.com/eslint/eslint/commit/098b67d04a4b4dc8ef4faa6434c6ef5abbde3ed3) Docs: fix minor typo in brace-style.md (#12749) (Marko Kaznovac)
+* [`313f70a`](https://github.com/eslint/eslint/commit/313f70ac9a3cf5d1558d2427b00dd75666e18cf4) Update: add outerIIFEBody: "off" to indent rule (fixes #11377) (#12706) (Kai Cataldo)
+* [`b77b858`](https://github.com/eslint/eslint/commit/b77b8585e33fc4bb438a0e11ca8177c7eb91dbd8) Chore: fix separateRequires tests for one-var rule (#12709) (Milos Djermanovic)
+* [`e4df7df`](https://github.com/eslint/eslint/commit/e4df7dfb0199badb61d2c03ff4f7e4be735279d9) Chore: add JSDoc types for RuleTester test cases (#12325) (Chiawen Chen)
+* [`b23ad0d`](https://github.com/eslint/eslint/commit/b23ad0d789a909baf8d7c41a35bc53df932eaf30) Docs: change a broken link in working-with-rules.md (#12732) (Damien Cassou)
+* [`3fa39a6`](https://github.com/eslint/eslint/commit/3fa39a633b37544fec7cedfc1f2b0e62e9312a72) Update: Handle locally unsupported regex in computed property keys (#12056) (Milos Djermanovic)
+* [`4744397`](https://github.com/eslint/eslint/commit/474439720258b1a64b305c31588f803104fa4aaf) Chore: remove unused code in max-lines-per-function (#12659) (YeonJuan)
+* [`4e16957`](https://github.com/eslint/eslint/commit/4e169576a526023ee297d5bc8b37eedba229f63d) Build: update browser build (#12693) (Toru Nagashima)
+* [`00ddfff`](https://github.com/eslint/eslint/commit/00ddfffe6b4b4244e4680b0f92f2c6697fad136f) Fix: Windows path parsing for JUnit (fixes #12507) (#12509) (Michael Wall)
+* [`985dac3`](https://github.com/eslint/eslint/commit/985dac35e3c367f0f99d1f0e766e06a1d9818dd4) New: Add no-restricted-exports rule (fixes #10428) (#12546) (Milos Djermanovic)
+* [`1aff21b`](https://github.com/eslint/eslint/commit/1aff21bb54da44cef0b6e378a34a74265863b930) Fix: no-mixed-spaces-and-tabs reports multiline strings (#12566) (Milos Djermanovic)
+* [`8f1020f`](https://github.com/eslint/eslint/commit/8f1020ff711b0c57d590bf666e2841f64186d083) Update: no-void add an option to allow void as a statement (#12613) (Brad Zacher)
+* [`bb6cf50`](https://github.com/eslint/eslint/commit/bb6cf5082623ffb67bb1495fee52c0610ee5f421) Update: Add offsetTernaryExpressions option for indent rule (#12556) (Adam Stankiewicz)
+* [`39f5a45`](https://github.com/eslint/eslint/commit/39f5a453579b2ad732212edeb71f84ecb0991f97) Chore: add test cases for for-direction (#12698) (YeonJuan)
+* [`b340304`](https://github.com/eslint/eslint/commit/b3403045e535921df6d34785a4ce053e14ba27fd) Chore: Add extra test, improve docs (#12492) (Kevin Partington)
+* [`827259e`](https://github.com/eslint/eslint/commit/827259ea009f98a0fdf3f7ebf1bfb6cd661ce28d) Build: package.json update for eslint-config-eslint release (ESLint Jenkins)
+
+v6.8.0 - December 20, 2019
+
+* [`c5c7086`](https://github.com/eslint/eslint/commit/c5c708666b450fb69522a55aa375626f9297dc6f) Fix: ignore aligning single line in key-spacing (fixes #11414) (#12652) (YeonJuan)
+* [`9986d9e`](https://github.com/eslint/eslint/commit/9986d9e0baed0d3586bbee472fe2fae2ed625f5d) Chore: add object option test cases in yield-star-spacing (#12679) (YeonJuan)
+* [`1713d07`](https://github.com/eslint/eslint/commit/1713d0758b083f3840d724505f997a7cb20ff384) New: Add no-error-on-unmatched-pattern flag (fixes #10587) (#12377) (ncraley)
+* [`5c25a26`](https://github.com/eslint/eslint/commit/5c25a26608fbd9a1d0127c9a3653609aa4b63e86) Update: autofix bug in lines-between-class-members (fixes #12391) (#12632) (YeonJuan)
+* [`4b3cc5c`](https://github.com/eslint/eslint/commit/4b3cc5cd2459f04eae149faea0651785d7f9db0b) Chore: enable prefer-regex-literals in eslint codebase (#12268) (薛定谔的猫)
+* [`05faebb`](https://github.com/eslint/eslint/commit/05faebb943456ad2b20117f3c8b3eccbe2e2fb03) Update: improve suggestion testing experience (#12602) (Brad Zacher)
+* [`05f7dd5`](https://github.com/eslint/eslint/commit/05f7dd53ed91a6e3be9eb40825fb6d2207f82209) Update: Add suggestions for no-unsafe-negation (fixes #12591) (#12609) (Milos Djermanovic)
+* [`d3e43f1`](https://github.com/eslint/eslint/commit/d3e43f1c10c5e19f40e7b3d3944b87f1b0c9c075) Docs: Update no-multi-assign explanation (#12615) (Yuping Zuo)
+* [`272e4db`](https://github.com/eslint/eslint/commit/272e4db6074283bc01cc6ec72c9e396bb3c110e6) Fix: no-multiple-empty-lines: Adjust reported `loc` (#12594) (Tobias Bieniek)
+* [`a258039`](https://github.com/eslint/eslint/commit/a258039e556075d7d1f955a79d094ea103ec165a) Fix: no-restricted-imports schema allows multiple paths/patterns objects (#12639) (Milos Djermanovic)
+* [`51f9620`](https://github.com/eslint/eslint/commit/51f9620cc55cc091fe38dbe68e4633de06297b8c) Fix: improve report location for array-bracket-spacing (#12653) (Milos Djermanovic)
+* [`45364af`](https://github.com/eslint/eslint/commit/45364afc9c7f0251348cd1a7a13656c3816435d7) Fix: prefer-numeric-literals doesn't check types of literal arguments (#12655) (Milos Djermanovic)
+* [`e3c570e`](https://github.com/eslint/eslint/commit/e3c570eaf3d1d44fb57bf42f1870887856e4c5a0) Docs: Add example for expression option (#12694) (Arnaud Barré)
+* [`6b774ef`](https://github.com/eslint/eslint/commit/6b774ef0d849ccf5c1127b25e1fe7c3e438d586b) Docs: Add spacing in comments for no-console rule (#12696) (Nikki Nikkhoui)
+* [`7171fca`](https://github.com/eslint/eslint/commit/7171fca6ef4e0e8f267658fc7d8f603f00eddd84) Chore: refactor regex in config comment parser (#12662) (Milos Djermanovic)
+* [`1600648`](https://github.com/eslint/eslint/commit/1600648d2880ffb1e9e414b31ff0f66ead7167f9) Update: Allow $schema in config (#12612) (Yordis Prieto)
+* [`acc0e47`](https://github.com/eslint/eslint/commit/acc0e47572a9390292b4e313b4a4bf360d236358) Update: support .eslintrc.cjs (refs eslint/rfcs#43) (#12321) (Evan Plaice)
+* [`49c1658`](https://github.com/eslint/eslint/commit/49c1658544ace24b9aaaa301af0fc07a2ef3bf30) Chore: remove bundling of ESLint during release (#12676) (Kai Cataldo)
+* [`257f3d6`](https://github.com/eslint/eslint/commit/257f3d67905a52bf8602a5a5707c893cc90d7ca7) Chore: complete to move to GitHub Actions (#12625) (Toru Nagashima)
+* [`ab912f0`](https://github.com/eslint/eslint/commit/ab912f0ef709a916ab9a27ea09d9d7adf046fb2d) Docs: 1tbs with allowSingleLine edge cases (refs #12284) (#12314) (Ari Kardasis)
+* [`dd1c30e`](https://github.com/eslint/eslint/commit/dd1c30e35f05ed332e2abbd3d4d53635efde74b8) Sponsors: Sync README with website (ESLint Jenkins)
+* [`a230f84`](https://github.com/eslint/eslint/commit/a230f8404e4f2423dd79378b065d24c12776775b) Update: include node version in cache (#12582) (Eric Wang)
+* [`8b65f17`](https://github.com/eslint/eslint/commit/8b65f175dfb4fac11ed7184537be400ed14996fb) Chore: remove references to parser demo (#12644) (Kai Cataldo)
+* [`e9cef99`](https://github.com/eslint/eslint/commit/e9cef99e6ebec1faefdb576ca597e81ae4f04afd) Docs: wrap {{}} in raw liquid tags to prevent interpolation (#12643) (Kai Cataldo)
+* [`e707453`](https://github.com/eslint/eslint/commit/e70745325ff9e085acc6843dd8bfae5550645d4f) Docs: Fix configuration example in no-restricted-imports (fixes #11717) (#12638) (Milos Djermanovic)
+* [`19194ce`](https://github.com/eslint/eslint/commit/19194cec724e016df02376bbeae31171be6f0bdf) Chore: Add tests to cover default object options in comma-dangle (#12627) (YeonJuan)
+* [`6e36d12`](https://github.com/eslint/eslint/commit/6e36d12d95e76022172fd0ec8a5e85c22fde6a8a) Update: do not recommend require-atomic-updates (refs #11899) (#12599) (Kai Cataldo)
+
+v6.7.2 - November 30, 2019
+
+* [`bc435a9`](https://github.com/eslint/eslint/commit/bc435a93afd6ba4def1b53993ef7cf8220f3f070) Fix: isSpaceBetweenTokens() recognizes spaces in JSXText (fixes #12614) (#12616) (Toru Nagashima)
+* [`4928d51`](https://github.com/eslint/eslint/commit/4928d513b4fe716c7ed958c294a10ef8517be25e) Fix: don't ignore the entry directory (fixes #12604) (#12607) (Toru Nagashima)
+* [`b41677a`](https://github.com/eslint/eslint/commit/b41677ae2a143790b19b0e70391a46ec6c8f5de1) Docs: Clarify suggestion's data in Working with Rules (refs #12606) (#12617) (Milos Djermanovic)
+* [`ea16de4`](https://github.com/eslint/eslint/commit/ea16de4e7c6f661398b0b7843f95e5f307c89551) Fix: Support tagged template literal generics in no-unexpected-multiline (#11698) (Brad Zacher)
+* [`fa6415d`](https://github.com/eslint/eslint/commit/fa6415d5b877370374a6a530a5190ab5a411b4dc) Sponsors: Sync README with website (ESLint Jenkins)
+* [`e1e158b`](https://github.com/eslint/eslint/commit/e1e158b4d7bd61e812723b378d2c391295da43a5) Sponsors: Sync README with website (ESLint Jenkins)
+
+v6.7.1 - November 24, 2019
+
+* [`dd1e9f4`](https://github.com/eslint/eslint/commit/dd1e9f4df2103c43509a54b0ad5f9106557997f9) Fix: revert changes to key-spacing due to regression (#12598) (Kai Cataldo)
+* [`c644b54`](https://github.com/eslint/eslint/commit/c644b5429e5bc8a050afd70c99ec82035eb611fa) Docs: Update README team and sponsors (ESLint Jenkins)
+
+v6.7.0 - November 22, 2019
+
+* [`312a88f`](https://github.com/eslint/eslint/commit/312a88f2230082d898b7d8d82f8af63cb352e55a) New: Add grouped-accessor-pairs rule (fixes #12277) (#12331) (Milos Djermanovic)
+* [`5c68f5f`](https://github.com/eslint/eslint/commit/5c68f5feeb4a6c0cb53ff76b2fd255b5bfa69c93) Update: Add 'lexicalBindings' to no-implicit-globals and change messages (#11996) (Milos Djermanovic)
+* [`6eaad96`](https://github.com/eslint/eslint/commit/6eaad964ff159d0a38de96c1104782ffe6858c78) New: Add suggestions API (#12384) (Will Douglas)
+* [`b336fbe`](https://github.com/eslint/eslint/commit/b336fbedecd85731611fdc2dfd8edb635a8b1c39) Fix: indent rule with JSX spread props (#12581) (Nathan Woltman)
+* [`97c745d`](https://github.com/eslint/eslint/commit/97c745dc277febbea82552a4d9186e3df847f860) Update: Report assignment expression location in no-cond-assign (#12465) (Milos Djermanovic)
+* [`0f01f3d`](https://github.com/eslint/eslint/commit/0f01f3d0807c580631c2fdcff29192a64a870637) Update: Check member expressions with `this` in operator-assignment (#12495) (Milos Djermanovic)
+* [`62c7038`](https://github.com/eslint/eslint/commit/62c7038a493d89e4a7b14ac673a063d09d04057b) Fix: invalid token checking in computed-property-spacing (fixes #12198) (#12533) (YeonJuan)
+* [`4f8a1ee`](https://github.com/eslint/eslint/commit/4f8a1ee1c26ccb5882e5e83ea7eab2f406c7476b) Update: Add enforceForClassMembers option to no-useless-computed-key (#12110) (ark120202)
+* [`1a2eb99`](https://github.com/eslint/eslint/commit/1a2eb99f11c65813bba11d6576a06cff2b823cc9) New: new rule no-constructor-return (fixes #12481) (#12529) (Pig Fang)
+* [`ca3b2a6`](https://github.com/eslint/eslint/commit/ca3b2a62c9e829dc4534bca3643d6bc729b46df0) New: ignorePatterns in config files (refs eslint/rfcs#22) (#12274) (Toru Nagashima)
+* [`60204a3`](https://github.com/eslint/eslint/commit/60204a3620e33a078c1c35fa2e5d839a16c627ff) Docs: Added another Textmate 2 bundle. (#12580) (Ryan Fitzer)
+* [`62623f9`](https://github.com/eslint/eslint/commit/62623f9f611a3adb79696304760a2fd14be8afbc) Fix: preserve whitespace in multiline-comment-style (fixes #12312) (#12316) (Kai Cataldo)
+* [`17a8849`](https://github.com/eslint/eslint/commit/17a8849491a983f6cb8e98da8c0c9d52ff5f2aa6) New: Add no-dupe-else-if rule (fixes #12469) (#12504) (Milos Djermanovic)
+* [`41a78fd`](https://github.com/eslint/eslint/commit/41a78fd7ce245cad8ff6a96c42f5840688849427) Update: improve location for semi and comma-dangle (#12380) (Chiawen Chen)
+* [`0a480f8`](https://github.com/eslint/eslint/commit/0a480f8307a0e438032f484254941e6426748143) Docs: Change "Code Conventions" link in pull-requests.md (#12401) (Denis Sikuler)
+* [`fed20bb`](https://github.com/eslint/eslint/commit/fed20bb039cf9f53adfcf93e467f418c5e958f45) Fix: require-await crash on global await (#12571) (Brad Zacher)
+* [`b8030fc`](https://github.com/eslint/eslint/commit/b8030fc23e88f57a04d955b3befd1ab0fc2c5d10) Update: deprecate personal config (fixes #11914, refs eslint/rfcs#32) (#12426) (Toru Nagashima)
+* [`40c8c32`](https://github.com/eslint/eslint/commit/40c8c3264c7c383d98c9faf9c4cb4f8b75aee40f) Fix: improve report location for object-curly-spacing (#12563) (Milos Djermanovic)
+* [`1110045`](https://github.com/eslint/eslint/commit/1110045e0d28a461e75d2f57d5f01533d59ef239) Fix: ignore marker-only comments in spaced-comment (fixes #12036) (#12558) (Milos Djermanovic)
+* [`6503cb8`](https://github.com/eslint/eslint/commit/6503cb8d99e549fece53b80b110e890a7978b9fd) Update: Fix uglified object align in key-spacing (fixes #11414) (#12472) (YeonJuan)
+* [`40791af`](https://github.com/eslint/eslint/commit/40791af69efde1701690637603ad37d41e15a727) Docs: clarify ignoreDestructuring option in the camelcase rule (#12553) (Milos Djermanovic)
+* [`07d398d`](https://github.com/eslint/eslint/commit/07d398d91d5b6d0247e58b1f8ea64bb5acd570a8) Chore: Add GitHub organization to Sponsor button (#12562) (Brandon Mills)
+* [`a477707`](https://github.com/eslint/eslint/commit/a47770706ac59633dcd73e886d1a7282b324ee06) Chore: Format style guide links so they can be clicked (#12189) (Ivan V)
+* [`0f7edef`](https://github.com/eslint/eslint/commit/0f7edefdc1576d5e3e7ef89083002b0a4a31f039) Update: add react plugin config for eslint init (#12446) (Ibrahim Rouis)
+* [`448ff1e`](https://github.com/eslint/eslint/commit/448ff1e53734c503fb9e7e6802c1c7e441d4c019) Update: Report '\08' and '\09' in no-octal-escape (fixes #12080) (#12526) (Milos Djermanovic)
+* [`45aa6a3`](https://github.com/eslint/eslint/commit/45aa6a3ba3486f1b116c5daab6432d144e5ea574) New: Add no-setter-return rule (fixes #12285) (#12346) (Milos Djermanovic)
+* [`0afb518`](https://github.com/eslint/eslint/commit/0afb518d1f139376245613dddd8eaef32b52d619) Fix: invalid autofix in function-call-argument-newline (fixes #12454) (#12539) (YeonJuan)
+* [`90305e0`](https://github.com/eslint/eslint/commit/90305e017c2c5fba0b4b62f41b180910b4baeedb) Update: Depcrecate isSpaceBetweenTokens() (#12519) (Kai Cataldo)
+* [`41b1e43`](https://github.com/eslint/eslint/commit/41b1e4308c1cb01c8b00cc8adc36440e77854117) New: add option for camelcase (fixes #12527) (#12528) (Pig Fang)
+* [`f49f1e0`](https://github.com/eslint/eslint/commit/f49f1e0a69afa49f6548af7b2c0e6347e1ea022d) Upgrade: upgrade optionator to avoid license issue (fixes #11536) (#12537) (Pig Fang)
+* [`0286b57`](https://github.com/eslint/eslint/commit/0286b5730501b391c74e069db46849f0de0885d2) Docs: Clean up Getting Started Guide (#12544) (Nicholas C. Zakas)
+* [`575a98d`](https://github.com/eslint/eslint/commit/575a98d724b2688f1e9c83744c5dc9ffe9a7bfb4) Chore: Add funding field to package.json (#12543) (Nicholas C. Zakas)
+* [`9e29e18`](https://github.com/eslint/eslint/commit/9e29e189752f06362fd1956659e07834efb746a5) Fix: sourceCode#isSpaceBetweenTokens() checks non-adjacent tokens (#12491) (Kai Cataldo)
+* [`5868550`](https://github.com/eslint/eslint/commit/586855060afb3201f4752be8820dc85703b523a6) Docs: add notice about `function` keyword in keyword-spacing (#12524) (Pig Fang)
+* [`bb556d5`](https://github.com/eslint/eslint/commit/bb556d5fd735ad2dcea322082edcc07a58105ce9) Fix: curly `multi` reports single lexical declarations (fixes #11908) (#12513) (Milos Djermanovic)
+* [`ac60621`](https://github.com/eslint/eslint/commit/ac606217d4beebc35b865d14a7f9723fd21faa48) Fix: unexpected autofix in prefer-const (fixes #12514) (#12521) (YeonJuan)
+* [`990065e`](https://github.com/eslint/eslint/commit/990065e5f58b6cc6922ab6cee5b97bfc56a6237a) Update: curly multi-or-nest flagging semis on next line (fixes #12370) (#12378) (cherryblossom000)
+* [`084a8a6`](https://github.com/eslint/eslint/commit/084a8a63a749232681fefe9bdac6802efdcdc8a8) Fix: no-cond-assign with `always` option reports switch case clauses (#12470) (Milos Djermanovic)
+* [`7e41355`](https://github.com/eslint/eslint/commit/7e41355b19a8ef347620dd7c0dde491c3460937b) Update: improve report location for space-infix-ops (#12324) (Chiawen Chen)
+* [`94ff921`](https://github.com/eslint/eslint/commit/94ff921689115f856578159564ee1968b4b914be) Update: Add capIsConstructor option to no-invalid-this (fixes #12271) (#12308) (Milos Djermanovic)
+* [`de65de6`](https://github.com/eslint/eslint/commit/de65de6e488112a602949e6a5d27dd4c754b003c) New: Add prefer-exponentiation-operator rule (fixes #10482) (#12360) (Milos Djermanovic)
+* [`c78f4a7`](https://github.com/eslint/eslint/commit/c78f4a73de68f81cd41132b46d4840b91599d599) Update: Allow JSX exception in no-inline-comments (fixes #11270) (#12388) (Milos Djermanovic)
+* [`e17fb90`](https://github.com/eslint/eslint/commit/e17fb90f5817d16081e690eb06b7720afcb9fa2a) New: allowAfterThisConstructor for no-underscore-dangle (fixes #11488) (#11489) (sripberger)
+* [`287ca56`](https://github.com/eslint/eslint/commit/287ca562811d037bde09a47af7f5b9c7b741e022) Build: update CI for Node.js 13 (#12496) (Toru Nagashima)
+* [`98e1d50`](https://github.com/eslint/eslint/commit/98e1d50273f31c2a7b59772298280ed7305274c8) Upgrade: globals to v12.1.0 (#12296) (Tony Brix)
+* [`8ac71a3`](https://github.com/eslint/eslint/commit/8ac71a3c89a9db13706a44b23d1b509b65185113) Sponsors: Sync README with website (ESLint Jenkins)
+* [`4e142ea`](https://github.com/eslint/eslint/commit/4e142ea411dfb692b6e2a69cd5f1204ade4dd58a) Docs: Update README team and sponsors (ESLint Jenkins)
+
+v6.6.0 - October 25, 2019
+
+* [`39dfe08`](https://github.com/eslint/eslint/commit/39dfe0880fa934e287e8ea1f7b56d5cba8d43765) Update: false positives in function-call-argument-newline (fixes #12123) (#12280) (Scott O'Hara)
+* [`4d84210`](https://github.com/eslint/eslint/commit/4d842105c9c82026be668d7425213138903d4d41) Update: improve report location for no-trailing-spaces (fixes #12315) (#12477) (Milos Djermanovic)
+* [`c6a7745`](https://github.com/eslint/eslint/commit/c6a7745a1371a85932bfae5fec039d1b6fcfc128) Update: no-trailing-spaces false negatives after comments (fixes #12479) (#12480) (Milos Djermanovic)
+* [`0bffe95`](https://github.com/eslint/eslint/commit/0bffe953d2752dd2d3045f2f8771c96b6cee8fc4) Fix: no-misleading-character-class crash on invalid regex (fixes #12169) (#12347) (Milos Djermanovic)
+* [`c6a9a3b`](https://github.com/eslint/eslint/commit/c6a9a3bc58b69dbf9be9cd09b0283c081ca211e7) Update: Add enforceForIndexOf option to use-isnan (fixes #12207) (#12379) (Milos Djermanovic)
+* [`364877b`](https://github.com/eslint/eslint/commit/364877b2504e8f7ece04770b93d517e2f27458d0) Update: measure plugin loading time and output in debug message (#12395) (Victor Homyakov)
+* [`1744fab`](https://github.com/eslint/eslint/commit/1744faba3c93c869f7dbbf0a704d32e2692d6856) Fix: operator-assignment removes and duplicates comments (#12485) (Milos Djermanovic)
+* [`52ca11a`](https://github.com/eslint/eslint/commit/52ca11a66ab6c2fb5a71d8b9869482f14f98cb9d) Fix: operator-assignment invalid autofix with adjacent tokens (#12483) (Milos Djermanovic)
+* [`0f6d0dc`](https://github.com/eslint/eslint/commit/0f6d0dcdf5adc30079a7379bbf605a4ef3887a85) Fix: CLIEngine#addPlugin reset lastConfigArrays (fixes #12425) (#12468) (Toru Nagashima)
+* [`923a8cb`](https://github.com/eslint/eslint/commit/923a8cb752b8dee1e622c5fd36f3f53288e30602) Chore: Fix lint failure in JSDoc comment (#12489) (Brandon Mills)
+* [`aac3be4`](https://github.com/eslint/eslint/commit/aac3be435cccc241781150fcac728df04d086fa8) Update: Add ignored prop regex no-param-reassign (#11275) (Luke Bennett)
+* [`e5382d6`](https://github.com/eslint/eslint/commit/e5382d6e4eb1344f537b6f107535269e9939fcb8) Chore: Remove unused parameter in dot-location (#12464) (Milos Djermanovic)
+* [`49faefb`](https://github.com/eslint/eslint/commit/49faefbee3fc7daaf2482d9d7d23513d6ffda9e8) Fix: no-obj-calls false positive (fixes #12437) (#12467) (Toru Nagashima)
+* [`b3dbd96`](https://github.com/eslint/eslint/commit/b3dbd9657bbeac6571111a4429b03fc085ba6655) Fix: problematic installation issue (fixes #11018) (#12309) (Toru Nagashima)
+* [`cd7c29b`](https://github.com/eslint/eslint/commit/cd7c29b17085c14c9cf6345201c72a192c0d0e0c) Sponsors: Sync README with website (ESLint Jenkins)
+* [`8233873`](https://github.com/eslint/eslint/commit/8233873b8e5facd80ab7b172bff1e896a9c5fd39) Docs: Add note about Node.js requiring SSL support (fixes #11413) (#12475) (Nicholas C. Zakas)
+* [`89e8aaf`](https://github.com/eslint/eslint/commit/89e8aafcc622a4763bed6b9d62f148ef95798f38) Fix: improve report location for no-tabs (#12471) (Milos Djermanovic)
+* [`7dffe48`](https://github.com/eslint/eslint/commit/7dffe482d646d4e5f94fa87a22f3b5b2e0a4b189) Update: Enable function string option in comma-dangle (fixes #12058) (#12462) (YeonJuan)
+* [`e15e1f9`](https://github.com/eslint/eslint/commit/e15e1f933f287d274a726e7f0f0a1dd80f0964af) Docs: fix doc for no-unneeded-ternary rule (fixes #12098) (#12410) (Sam Rae)
+* [`b1dc58f`](https://github.com/eslint/eslint/commit/b1dc58f0a717cb3d19300c845ca23a21ceb610d3) Sponsors: Sync README with website (ESLint Jenkins)
+* [`61749c9`](https://github.com/eslint/eslint/commit/61749c94bd8a2ebcdfb89e0cd48c4a029a945079) Chore: Provide debug log for parser errors (#12474) (Brad Zacher)
+* [`7c8bbe0`](https://github.com/eslint/eslint/commit/7c8bbe0391944e1f92e083a04715bf4b3fe6be5d) Update: enforceForOrderingRelations no-unsafe-negation (fixes #12163) (#12414) (Sam Rae)
+* [`349ed67`](https://github.com/eslint/eslint/commit/349ed6700e1155384597e1e6035550a96cb8a42d) Update: improve report location for no-mixed-operators (#12328) (Chiawen Chen)
+* [`a102eaa`](https://github.com/eslint/eslint/commit/a102eaa9ac19e1c6d92f79a4033e9048cfb64c0d) Fix: prefer-numeric-literals invalid autofix with adjacent tokens (#12387) (Milos Djermanovic)
+* [`6e7c18d`](https://github.com/eslint/eslint/commit/6e7c18ddb30b32ee5b2e842cc8258aa7aebb7445) Update: enforceForNewInMemberExpressions no-extra-parens (fixes #12428) (#12436) (Milos Djermanovic)
+* [`51fbbd7`](https://github.com/eslint/eslint/commit/51fbbd78f98f223d17071650f5117d07f60dadc2) Fix: array-bracket-newline consistent error with comments (fixes #12416) (#12441) (Milos Djermanovic)
+* [`e657d4c`](https://github.com/eslint/eslint/commit/e657d4ccb9f3dd5cacceaaa40ffe24ac29a1349a) Fix: report full dot location in dot-location (#12452) (Milos Djermanovic)
+* [`2d6e345`](https://github.com/eslint/eslint/commit/2d6e345e3c2626b0f2252f22cfaffdf53ea0871a) Update: make isSpaceBetweenTokens() ignore newline in comments (#12407) (YeonJuan)
+* [`84f71de`](https://github.com/eslint/eslint/commit/84f71de0e686e0fe37b83d6728ce1825caaa44fb) Update: remove default overrides in keyword-spacing (fixes #12369) (#12411) (YeonJuan)
+* [`18a0b0e`](https://github.com/eslint/eslint/commit/18a0b0e3df927428a22b5b5295f9faee4bd57246) Update: improve report location for no-space-in-parens (#12364) (Chiawen Chen)
+* [`d61c8a5`](https://github.com/eslint/eslint/commit/d61c8a5a75447a36276f2d4f84afb3e1129618da) Update: improve report location for no-multi-spaces (#12329) (Chiawen Chen)
+* [`561093f`](https://github.com/eslint/eslint/commit/561093fc4267a4ae317d63bc9f103020fad88802) Upgrade: bump inquirer to ^7.0.0 (#12440) (Joe Graham)
+* [`fb633b2`](https://github.com/eslint/eslint/commit/fb633b2bbd0a390b247047524fdd1f612dbab803) Chore: Add a script for testing with more control (#12444) (Eric Wang)
+* [`012ec51`](https://github.com/eslint/eslint/commit/012ec5151113a2be06fc0e4cd208d714e52dbc57) Sponsors: Sync README with website (ESLint Jenkins)
+* [`874fe16`](https://github.com/eslint/eslint/commit/874fe1642a10a0fb937ccccdd4d22343b84f80dc) New: pass cwd from cli engine (#12389) (Eric Wang)
+* [`b962775`](https://github.com/eslint/eslint/commit/b962775b8cb7c90985a5ab63e56744bb2ba79644) Update: no-self-assign should detect member expression with this (#12279) (Tibor Blenessy)
+* [`02977f2`](https://github.com/eslint/eslint/commit/02977f25a922dd0b8617c16116bb4364d0f30e94) Docs: Clarify `eslint:recommended` semver policy (#12429) (Kevin Partington)
+* [`97045ae`](https://github.com/eslint/eslint/commit/97045ae0805e6503887eef0b131dcb9e70b6d185) Docs: Fixes object type for `rules` in "Use a Plugin" (#12409) (Daisy Develops)
+* [`24ca088`](https://github.com/eslint/eslint/commit/24ca088fdc901feef8f10b050414fbde64b55c7d) Docs: Fix typo in v6 migration guide (#12412) (Benjamim Sonntag)
+* [`b094008`](https://github.com/eslint/eslint/commit/b094008fb196dc1de5b4c27b7dbf0bcbb4b7b352) Chore: update version parameter name (#12402) (Toru Nagashima)
+* [`e5637ba`](https://github.com/eslint/eslint/commit/e5637badd42f087d115f81575b832097fe6fe554) Chore: enable jsdoc/require-description (#12365) (Kai Cataldo)
+* [`d31f337`](https://github.com/eslint/eslint/commit/d31f3370396ec4868722bdc044aa697b135ac183) Sponsors: Sync README with website (ESLint Jenkins)
+* [`7ffb22f`](https://github.com/eslint/eslint/commit/7ffb22f61cf1622511a7fe42b5ead7c3b216df5e) Chore: Clean up inline directive parsing (#12375) (Jordan Eldredge)
+* [`84467c0`](https://github.com/eslint/eslint/commit/84467c07461cc47ee43807ba9014e13700473c5c) Docs: fix wrong max-depth example (fixes #11991) (#12358) (Gabriel R Sezefredo)
+* [`3642342`](https://github.com/eslint/eslint/commit/364234262efabd91fa8bd53161d9d3e1e37e7944) Docs: Fix minor formatting/grammar errors (#12371) (cherryblossom000)
+* [`c47fa0d`](https://github.com/eslint/eslint/commit/c47fa0dfc76211b3b0e5649c63acdd9606ce0eca) Docs: Fix missing word in sentence (#12361) (Dan Boulet)
+* [`8108f49`](https://github.com/eslint/eslint/commit/8108f49f9fa0c2de80b3b66c847551beff585951) Chore: enable additional eslint-plugin-jsdoc rules (#12336) (Kai Cataldo)
+* [`b718d2e`](https://github.com/eslint/eslint/commit/b718d2e6c9fe3fc56aa7cfc68b1a40b5cd8a7c01) Chore: update issue template with --eslint-fix flag (#12352) (James George)
+* [`20ba14d`](https://github.com/eslint/eslint/commit/20ba14dc78fc2654b2920d14877dde21c6c10da4) Sponsors: Sync README with website (ESLint Jenkins)
+* [`566a947`](https://github.com/eslint/eslint/commit/566a947f67c8038a50e204d68723519778a78a0f) Sponsors: Sync README with website (ESLint Jenkins)
+* [`070cbd0`](https://github.com/eslint/eslint/commit/070cbd0a2ec07831962a25c4276d08e097302416) Sponsors: Sync README with website (ESLint Jenkins)
+
+v6.5.1 - September 30, 2019
+
+* [`0d3d7d9`](https://github.com/eslint/eslint/commit/0d3d7d9cdd83a7f0e035c95f716a91b9ecc4868b) Docs: fix typo in no-magic-numbers (#12345) (Josiah Rooney)
+* [`447ac87`](https://github.com/eslint/eslint/commit/447ac877e8ca2858d61b1e983f72d39e3e2ca74d) Fix: no-useless-rename handles ExperimentalRestProperty (fixes #12335) (#12339) (Kai Cataldo)
+* [`b6ff73c`](https://github.com/eslint/eslint/commit/b6ff73cad13282fbfc91186cf4bc2f20278a8936) Sponsors: Sync README with website (ESLint Jenkins)
+
+v6.5.0 - September 29, 2019
+
+* [`73596cb`](https://github.com/eslint/eslint/commit/73596cbdf0a12e2878b2994783f9b969b0c5fbeb) Update: Add enforceForSwitchCase option to use-isnan (#12106) (Milos Djermanovic)
+* [`d592a24`](https://github.com/eslint/eslint/commit/d592a248d67920f7200925c003f10853d29f1f8d) Fix: exclude `\u000d` so new line won't convert to text (fixes #12027) (#12031) (zamboney)
+* [`e85d27a`](https://github.com/eslint/eslint/commit/e85d27af427d6185ac553a0d801b5103153426d4) Fix: no-regex-spaces false positives and invalid autofix (fixes #12226) (#12231) (Milos Djermanovic)
+* [`b349bf7`](https://github.com/eslint/eslint/commit/b349bf79ad56dded826bc99cb52c3551af34fa63) Fix: prefer-named-capture-group incorrect locations (fixes #12233) (#12247) (Milos Djermanovic)
+* [`7dc1ea9`](https://github.com/eslint/eslint/commit/7dc1ea9a1b9a21daaffcf712ba9c0e91af81b906) Fix: no-useless-return autofix removes comments (#12292) (Milos Djermanovic)
+* [`0e68677`](https://github.com/eslint/eslint/commit/0e68677ec0aaf060a071ecf71e4af954dddb6af0) Fix: no-extra-bind autofix removes comments (#12293) (Milos Djermanovic)
+* [`6ad7e86`](https://github.com/eslint/eslint/commit/6ad7e864303e56a39c89569d50c6caf80752ee21) Fix: no-extra-label autofix removes comments (#12298) (Milos Djermanovic)
+* [`acec201`](https://github.com/eslint/eslint/commit/acec201f06df780791179ad92cfc484f9b6d23d4) Fix: no-undef-init autofix removes comments (#12299) (Milos Djermanovic)
+* [`d89390b`](https://github.com/eslint/eslint/commit/d89390b75e3e9993f347387a49b0ac5550f45c7f) Fix: use async reading of stdin in bin/eslint.js (fixes #12212) (#12230) (Barrie Treloar)
+* [`334ca7c`](https://github.com/eslint/eslint/commit/334ca7c8b9c18ac097849c1cefaa43097a4e51dc) Update: no-useless-rename also reports default values (fixes #12301) (#12322) (Kai Cataldo)
+* [`41bfe91`](https://github.com/eslint/eslint/commit/41bfe919c06932b7e58cd9ead20157e06656160a) Update: Fix handling of chained new expressions in new-parens (#12303) (Milos Djermanovic)
+* [`160b7c4`](https://github.com/eslint/eslint/commit/160b7c46b556ccb6023eb411a8be8801a4bda6df) Chore: add autofix npm script (#12330) (Kai Cataldo)
+* [`04b6adb`](https://github.com/eslint/eslint/commit/04b6adb7f1bcb2b6cb3fa377b1ca4cecd810630e) Chore: enable eslint-plugin-jsdoc (refs #11146) (#12332) (Kai Cataldo)
+* [`9b86167`](https://github.com/eslint/eslint/commit/9b86167e6f053e4a72bf68ebc79db53903f7f8c3) Docs: Add new ES environments to Configuring ESLint (#12289) (Milos Djermanovic)
+* [`c9aeab2`](https://github.com/eslint/eslint/commit/c9aeab21a71c6743f51163b7a8fdf4f0cbfcdbde) Docs: Add supported ECMAScript version to README (#12290) (Milos Djermanovic)
+* [`8316e7b`](https://github.com/eslint/eslint/commit/8316e7be5a9429513d7ecf2ee2afc40ab4415b8f) Fix: no-useless-rename autofix removes comments (#12300) (Milos Djermanovic)
+* [`29c12f1`](https://github.com/eslint/eslint/commit/29c12f18726a3afb21fc89ab1bdacc6972d49e68) Chore: cache results in runtime-info (#12320) (Kai Cataldo)
+* [`f5537b2`](https://github.com/eslint/eslint/commit/f5537b2ed0b0b5e51a34c22cdd4ebfd024eaea3d) Fix: prefer-numeric-literals autofix removes comments (#12313) (Milos Djermanovic)
+* [`11ae6fc`](https://github.com/eslint/eslint/commit/11ae6fcb5d5503e5dea41c02780369efe51f0bb9) Update: Fix call, new and member expressions in no-extra-parens (#12302) (Milos Djermanovic)
+* [`a7894eb`](https://github.com/eslint/eslint/commit/a7894ebb43523152d36720efa770bb1fe8b58c07) New: add --env-info flag to CLI (#12270) (Kai Cataldo)
+* [`61392ff`](https://github.com/eslint/eslint/commit/61392ff5ec660bfc01ac2ff0e9660d259cf88fd6) Sponsors: Sync README with website (ESLint Jenkins)
+* [`2c6bf8e`](https://github.com/eslint/eslint/commit/2c6bf8ea9c8a8f94746f980bd5bea0a8c5c4d6b7) Docs: English fix (#12306) (Daniel Nixon)
+* [`6f11877`](https://github.com/eslint/eslint/commit/6f118778366613fc53036cb6a7537e1b4c6e7af8) Sponsors: Sync README with website (ESLint Jenkins)
+* [`2e202ca`](https://github.com/eslint/eslint/commit/2e202ca2228846e6226aa8dd99c614d572fb86a8) Docs: fix links in array-callback-return (#12288) (Milos Djermanovic)
+* [`e39c631`](https://github.com/eslint/eslint/commit/e39c6318af0fd27edd5fd2aaf2b24a3e204005dd) Docs: add example for CLIEngine#executeOnText 3rd arg (#12286) (Kai Cataldo)
+* [`d4f9a16`](https://github.com/eslint/eslint/commit/d4f9a16af7e00021e2ed63823d9c2f149bc985d6) Update: add support for JSXFragments in indent rule (fixes #12208) (#12210) (Kai Cataldo)
+* [`c6af95f`](https://github.com/eslint/eslint/commit/c6af95f5bf1ef10f08545d54fd52b98e85fdf7f7) Sponsors: Sync README with website (ESLint Jenkins)
+* [`8cadd52`](https://github.com/eslint/eslint/commit/8cadd5229b7372aed0d4785dcae15532a399bf55) Sponsors: Sync README with website (ESLint Jenkins)
+* [`f9fc695`](https://github.com/eslint/eslint/commit/f9fc695d77c19cd5ecb3f0e97e1ea124c8543409) Chore: enable default-param-last (#12244) (薛定谔的猫)
+* [`9984c3e`](https://github.com/eslint/eslint/commit/9984c3e27c92de76b8c05a58525dbcea12b10b83) Docs: Update README team and sponsors (ESLint Jenkins)
+
+v6.4.0 - September 13, 2019
+
+* [`e915fff`](https://github.com/eslint/eslint/commit/e915fffb6089a23ff1cae926cc607f9b87dc1819) Docs: Improve examples and clarify default option (#12067) (Yuping Zuo)
+* [`540296f`](https://github.com/eslint/eslint/commit/540296fcecd232a09dc873a5a22f5839b59b7842) Update: enforceForClassMembers option to accessor-pairs (fixes #12063) (#12192) (Milos Djermanovic)
+* [`d3c2334`](https://github.com/eslint/eslint/commit/d3c2334646eae9287d5be9e457d041e445efb512) Update: flag nested block with declaration as error (#12193) (David Waller)
+* [`b2498d2`](https://github.com/eslint/eslint/commit/b2498d284b9c30ed1543429c2f45d9014e12fe22) Update: Fix handling of property names in no-self-assign (#12105) (Milos Djermanovic)
+* [`1ee61b0`](https://github.com/eslint/eslint/commit/1ee61b06715fcc750be2c923034a1e59ba663287) Update: enforceForClassMembers computed-property-spacing (fixes #12049) (#12214) (Milos Djermanovic)
+* [`520c922`](https://github.com/eslint/eslint/commit/520c92270eed6e90c1a796e8af275980f01705e0) Docs: Added naming convention details to plugin usage (#12202) (Henrique Barcelos)
+* [`f826eab`](https://github.com/eslint/eslint/commit/f826eabbeecddb047f58f4e7308a14c18148d369) Fix: Allow line comment exception in object-curly-spacing (fixes #11902) (#12216) (Milos Djermanovic)
+* [`db2a29b`](https://github.com/eslint/eslint/commit/db2a29beb0fa28183f65bf9e659c66c03a8918b5) Update: indentation of comment followed by semicolon (fixes #12232) (#12243) (Kai Cataldo)
+* [`ae17d1c`](https://github.com/eslint/eslint/commit/ae17d1ca59dd466aa64da0680ec2453c2dc3b80d) Fix: no-sequences is reporting incorrect locations (#12241) (Milos Djermanovic)
+* [`365331a`](https://github.com/eslint/eslint/commit/365331a42e22af5a77ac9cfa9673d6a8f653eb5a) Fix: object-shorthand providing invalid fixes for typescript (#12260) (Brad Zacher)
+* [`1c921c6`](https://github.com/eslint/eslint/commit/1c921c6dfd7ddfb0308c8103e53d32c1241475f0) New: add no-import-assign (fixes #12237) (#12252) (Toru Nagashima)
+* [`3be04fd`](https://github.com/eslint/eslint/commit/3be04fd6a4e7b3f5a5ecb845a29cf29b71fe2dfb) New: Add prefer-regex-literals rule (fixes #12238) (#12254) (Milos Djermanovic)
+* [`37c0fde`](https://github.com/eslint/eslint/commit/37c0fdeb87b92a0b779b125adf45535b79b65757) Update: Report global Atomics calls in no-obj-calls (fixes #12234) (#12258) (Milos Djermanovic)
+* [`985c9e5`](https://github.com/eslint/eslint/commit/985c9e5eba351965a8a1491a41dbdcc78154b8f4) Fix: space-before-function-paren autofix removes comments (fixes #12259) (#12264) (Milos Djermanovic)
+* [`01da7d0`](https://github.com/eslint/eslint/commit/01da7d04c4e5a7376cf241ec02db7971726a1bf9) Fix: eqeqeq rule reports incorrect locations (#12265) (Milos Djermanovic)
+* [`319e4d8`](https://github.com/eslint/eslint/commit/319e4d8386ea846928f0f906c251b46043a53491) Docs: adding finally example (#12256) (Jens Melgaard)
+* [`d52328f`](https://github.com/eslint/eslint/commit/d52328f012f3704c7d1ce39427e63f80531c7979) Docs: fix no-sequences `with` examples (#12239) (Milos Djermanovic)
+* [`a41fdc0`](https://github.com/eslint/eslint/commit/a41fdc07404a7675d14183fab245fb8f49dcb858) Fix: Remove autofixer for no-unsafe-negation (#12157) (Milos Djermanovic)
+* [`e38f5fd`](https://github.com/eslint/eslint/commit/e38f5fdfc786363a3eae642f1a69a8725600aa61) Update: fix no-octal-escape false negatives after \0 (#12079) (Milos Djermanovic)
+* [`9418fbe`](https://github.com/eslint/eslint/commit/9418fbe0eb31cace3debe27b620709628df2fad7) Sponsors: Sync README with website (ESLint Jenkins)
+* [`acc5ec5`](https://github.com/eslint/eslint/commit/acc5ec5082aed466a29899f651e6767b39155aec) Sponsors: Sync README with website (ESLint Jenkins)
+* [`460c5ad`](https://github.com/eslint/eslint/commit/460c5ad176eaf39ff579cd96b3bcbe0539093f8f) Sponsors: Sync README with website (ESLint Jenkins)
+* [`0313441`](https://github.com/eslint/eslint/commit/0313441d016c8aa0674c135f9da67a676e766ec5) New: add rule default-param-last (fixes #11361) (#12188) (Chiawen Chen)
+* [`7621f5d`](https://github.com/eslint/eslint/commit/7621f5d2aa7d87e798b75ca47d6889c280597e99) Update: add more specific linting messages to space-in-parens (#11121) (Che Fisher)
+* [`21eb904`](https://github.com/eslint/eslint/commit/21eb9044135c01b6c12188517bba840614483fc6) Fix: basePath of OverrideTester (fixes #12032) (#12205) (Toru Nagashima)
+* [`86e5e65`](https://github.com/eslint/eslint/commit/86e5e657ea3fbf12b10524abcbc197afd215a060) Sponsors: Sync README with website (ESLint Jenkins)
+* [`2b1a13f`](https://github.com/eslint/eslint/commit/2b1a13fa0de8360586857f3ced8da514c971297d) Fix: no-extra-boolean-cast reports wrong negation node (fixes #11324) (#12197) (Milos Djermanovic)
+* [`ba8c2aa`](https://github.com/eslint/eslint/commit/ba8c2aa0154561fbeca33db0343cb39a7fbd9b4f) Sponsors: Sync README with website (ESLint Jenkins)
+* [`a0a9746`](https://github.com/eslint/eslint/commit/a0a9746724ccd22c721ddc1b25c566aa9acea154) Docs: Fix link in no-irregular-whitespace.md (#12196) (Timo Tijhof)
+* [`e10eeba`](https://github.com/eslint/eslint/commit/e10eebab4abd193dee697c4de7fb2d95bbab2d8c) Fix: quotes autofix produces syntax error with octal escape sequences (#12118) (Milos Djermanovic)
+
+v6.3.0 - August 30, 2019
+
+* [`0acdefb`](https://github.com/eslint/eslint/commit/0acdefb97f35bb09db2910540c70dc377a01ad62) Chore: refactor code (#12113) (James George)
+* [`52e2cf5`](https://github.com/eslint/eslint/commit/52e2cf50b35d57fb8466e0bcd0581eff1590fb4c) New: reportUnusedDisableDirectives in config (refs eslint/rfcs#22) (#12151) (Toru Nagashima)
+* [`020f952`](https://github.com/eslint/eslint/commit/020f9526b618a191566acea3e17e20815d484c58) Update: enforceForSequenceExpressions to no-extra-parens (fixes #11916) (#12142) (Milos Djermanovic)
+* [`aab1b84`](https://github.com/eslint/eslint/commit/aab1b840f9cffb2a76a5c9fe1852961be71dc184) Fix: reset to the default color (#12174) (Ricardo Gobbo de Souza)
+* [`4009d39`](https://github.com/eslint/eslint/commit/4009d39aa59451510aa24911e758d664f216289a) Fix: yoda rule produces invalid autofix with preceding yield (#12166) (Milos Djermanovic)
+* [`febb660`](https://github.com/eslint/eslint/commit/febb6605d350c936d64cb73e694482cfbb20b29c) Fix: no-extra-boolean-cast invalid autofix with yield before negation (#12164) (Milos Djermanovic)
+* [`4c0b70b`](https://github.com/eslint/eslint/commit/4c0b70b869c16647f7af6de9d5c5479fc19f49db) New: support TypeScript at config initializer (fixes #11789) (#12172) (Pig Fang)
+* [`94e39d9`](https://github.com/eslint/eslint/commit/94e39d9f782f45db86a079e07508d63040118ef1) Chore: use GitHub Actions (#12144) (Toru Nagashima)
+* [`e88f305`](https://github.com/eslint/eslint/commit/e88f305df9d454868624c559fd93b981a680c215) Chore: support es2020 in fuzz (#12180) (薛定谔的猫)
+* [`00d2c5b`](https://github.com/eslint/eslint/commit/00d2c5be9a89efd90135c4368a9589f33df3f7ba) Docs: corrected class extension example (#12176) (Marius M)
+* [`31e5428`](https://github.com/eslint/eslint/commit/31e542819967b2aa1191e1abaa1c4a49fddbe3cf) Chore: Fix wrong error object keys in test files (#12162) (Milos Djermanovic)
+* [`197f443`](https://github.com/eslint/eslint/commit/197f4432fca70a574028e5568c48afad12213224) Fix: func-name-matching crash on descriptor-like arguments (#12100) (Milos Djermanovic)
+* [`644ce33`](https://github.com/eslint/eslint/commit/644ce3306748a33b74fc6a94be0267c2c9f19348) Fix: no-self-assign false positive with rest and spread in array (#12099) (Milos Djermanovic)
+* [`a81d263`](https://github.com/eslint/eslint/commit/a81d2636ce41fb34d6826c2e9857814e11cb9c30) Fix: fix message of function-paren-newline (#12136) (Pig Fang)
+* [`77f8ed1`](https://github.com/eslint/eslint/commit/77f8ed1ad9656c526217ce54a6717fa232d522c8) Chore: update blogpost template (#12154) (Toru Nagashima)
+* [`6abc7b7`](https://github.com/eslint/eslint/commit/6abc7b72dfb824a372379708ca39340b2c7abc03) Docs: Document the exception in no-unsafe-negation (#12161) (Milos Djermanovic)
+
+v6.2.2 - August 23, 2019
+
+* [`0e0b784`](https://github.com/eslint/eslint/commit/0e0b784b922051c2a1d39dd8160382114b645800) Upgrade: espree@^6.1.1 (#12158) (Kevin Partington)
+* [`04e859f`](https://github.com/eslint/eslint/commit/04e859f228d081efd3af6edb22563dbc775f8d1d) Sponsors: Sync README with website (ESLint Jenkins)
+* [`34783d1`](https://github.com/eslint/eslint/commit/34783d10ff9b58a3c1e39a36e10864caeb9f66e0) Sponsors: Sync README with website (ESLint Jenkins)
+* [`b809e72`](https://github.com/eslint/eslint/commit/b809e72221bc658e5a42bfd4b8723d3771571f9e) Docs: Update README team and sponsors (ESLint Jenkins)
+
+v6.2.1 - August 20, 2019
+
+* [`8c021b5`](https://github.com/eslint/eslint/commit/8c021b5917b3aa3c578ffe3972106d0a6bcf0838) Upgrade: eslint-utils 1.4.2 (#12131) (Toru Nagashima)
+* [`e82388b`](https://github.com/eslint/eslint/commit/e82388bd87717430200ec554634cc08806e38d3c) Sponsors: Sync README with website (ESLint Jenkins)
+* [`4aeeeed`](https://github.com/eslint/eslint/commit/4aeeeedb656ee3519ea82ebf0cb41ca801215046) Docs: update docs for ecmaVersion 2020 (#12120) (silverwind)
+* [`6886148`](https://github.com/eslint/eslint/commit/6886148d1f528659ec3e125f61ef7a5f4c67556d) Docs: Add duplicate keys limitation to accessor-pairs (#12124) (Milos Djermanovic)
+
+v6.2.0 - August 18, 2019
+
+* [`fee6acb`](https://github.com/eslint/eslint/commit/fee6acbe13cecd4c028e681e185fc6a6d6ba9452) Update: support bigint and dynamic import (refs #11803) (#11983) (Toru Nagashima)
+* [`afd8012`](https://github.com/eslint/eslint/commit/afd8012c2797f2f5bf3c360cb241ea2ba6e1a489) New: noInlineConfig setting (refs eslint/rfcs#22) (#12091) (Toru Nagashima)
+* [`3d12378`](https://github.com/eslint/eslint/commit/3d12378221961439c27ddae0ecda9845ac575107) Update: Fix accessor-pairs to enforce pairs per property in literals (#12062) (Milos Djermanovic)
+* [`8cd00b3`](https://github.com/eslint/eslint/commit/8cd00b308987e0db0bdb2e242bf13b2b07b350bd) New: function-call-argument-newline (#12024) (finico)
+* [`30ebf92`](https://github.com/eslint/eslint/commit/30ebf929f60684520b1201c1adfd86214c19d614) Fix: prefer-template autofix produces syntax error with octal escapes (#12085) (Milos Djermanovic)
+* [`13c3988`](https://github.com/eslint/eslint/commit/13c3988a4001ae368ea7b6c8d3dd0abfa7c6cf64) Fix: Check literal type explicitly in dot-notation (#12095) (Milos Djermanovic)
+* [`3e5ceca`](https://github.com/eslint/eslint/commit/3e5ceca4d2284b55a2292a1d3de9aa4cdf6fa213) Fix: Handle empty string property names in getFunctionNameWithKind (#12104) (Milos Djermanovic)
+* [`9a043ff`](https://github.com/eslint/eslint/commit/9a043ffbb864fc65baeb16fe5668435e3b7cfe34) Fix: no-duplicate-case false positives on Object.prototype keys (#12107) (Milos Djermanovic)
+* [`fe631af`](https://github.com/eslint/eslint/commit/fe631afee59641876598d19b1935967099cc6fa0) Chore: minor typo fix (#12112) (James George)
+* [`4cb7877`](https://github.com/eslint/eslint/commit/4cb78774f6cc687a3c8701462f8c7f7b587ecaf0) Fix: fix no-extra-parens ignores some nodes (#11909) (Pig Fang)
+* [`2dc23b8`](https://github.com/eslint/eslint/commit/2dc23b81e54defbce7a70a7f26c2e4c7b692cf58) Update: fix no-dupe-keys false negatives on empty string names (#12069) (Milos Djermanovic)
+* [`19ab666`](https://github.com/eslint/eslint/commit/19ab6666e8e4142a183bdee2be96e5bafbac0e21) Fix: yoda exceptRange false positives on empty string property names (#12071) (Milos Djermanovic)
+* [`d642150`](https://github.com/eslint/eslint/commit/d642150fe016608e71a1df2a72960e915b3cfbad) Update: Check empty string property names in sort-keys (#12073) (Milos Djermanovic)
+* [`acce6de`](https://github.com/eslint/eslint/commit/acce6de940e2b089ff5ba59e4518a54af1682d5e) Fix: class-methods-use-this reports 'undefined' names (#12103) (Milos Djermanovic)
+* [`92ec2cb`](https://github.com/eslint/eslint/commit/92ec2cb1731b7b6e0ac66336d583fbb782504290) Fix: Allow bind call with a single spread element in no-extra-bind (#12088) (Milos Djermanovic)
+* [`bfdb0c9`](https://github.com/eslint/eslint/commit/bfdb0c97003fc0e045aa6ed10b177c35305a6e46) Fix: no-extra-boolean-cast invalid autofix for Boolean() without args (#12076) (Milos Djermanovic)
+* [`34ccc0c`](https://github.com/eslint/eslint/commit/34ccc0cd81f495190e585c6efa8ae233d45bd3ed) Chore: Remove TDZ scope type condition from no-unused-vars (#12055) (Milos Djermanovic)
+* [`01d38ce`](https://github.com/eslint/eslint/commit/01d38ce2faf0abbc9dd5d25694baeee131036165) Docs: Remove TDZ scope from the scope manager interface documentation (#12054) (Milos Djermanovic)
+* [`1aff8fc`](https://github.com/eslint/eslint/commit/1aff8fc4f9394cd9126654a55f7f3a43ab1cf8f0) Update: warn about mixing ternary and logical operators (fixes #11704) (#12001) (Karthik Priyadarshan)
+* [`11be2f8`](https://github.com/eslint/eslint/commit/11be2f8513bd61499f6247392a33ac0a26901c90) Docs: do not recommend global-installed usage (#12016) (薛定谔的猫)
+* [`cf31dab`](https://github.com/eslint/eslint/commit/cf31dab5d5982151e0cfcc32879e69a83180ec70) Fix: no-restricted-syntax - correct the schema (#12051) (Brad Zacher)
+* [`fbec99e`](https://github.com/eslint/eslint/commit/fbec99ea3e39316791685652c66e522d698f52d8) Update: fix class-methods-use-this false negatives with exceptMethods (#12077) (Milos Djermanovic)
+* [`fb08b7c`](https://github.com/eslint/eslint/commit/fb08b7c9d28bc68864eb940e26df274059228b6a) Docs: Remove readonly/writable global logic from no-undef (fixes #11963) (#12053) (Milos Djermanovic)
+* [`5b5934b`](https://github.com/eslint/eslint/commit/5b5934b9513f9114f5bf8e12ff4f4981590d64d3) Sponsors: Sync README with website (ESLint Jenkins)
+* [`9156760`](https://github.com/eslint/eslint/commit/915676022a100ae5dba788fa3329d34b3c1f18d3) Sponsors: Sync README with website (ESLint Jenkins)
+* [`f5e0cc4`](https://github.com/eslint/eslint/commit/f5e0cc40795f175692acb05daaadb91e9e5ae5d3) Update: Check computed method keys in no-extra-parens (#11973) (Milos Djermanovic)
+* [`d961438`](https://github.com/eslint/eslint/commit/d9614388df8cfb977842ed7ac4725d76a3e05df3) Docs: Fix Incorrect Documentation (#12045) (Michael Miceli)
+* [`887d08c`](https://github.com/eslint/eslint/commit/887d08c244e32f1fc18359e63380e2cdb0cb3797) Sponsors: Sync README with website (ESLint Jenkins)
+* [`d90183f`](https://github.com/eslint/eslint/commit/d90183ff6757cff854f4ca4d25b835143dfb4b21) Docs: add a case to func-names (#12038) (Chiawen Chen)
+* [`8a5b62d`](https://github.com/eslint/eslint/commit/8a5b62de2ae574f416c0f8ad91205da9b1837275) Docs: no use eslint.linter in code example (#12037) (薛定谔的猫)
+* [`5831767`](https://github.com/eslint/eslint/commit/58317673210e48be3975e317c2c566fae155c94f) Update: report location of func-names (fixes #12022) (#12028) (Pig Fang)
+
+v6.1.0 - July 20, 2019
+
+* [`8f86cca`](https://github.com/eslint/eslint/commit/8f86ccaa89daf10123370868c5dcb48c1fcbef7d) Upgrade: eslint-scope@^5.0.0 (#12011) (Kevin Partington)
+* [`d08683e`](https://github.com/eslint/eslint/commit/d08683e3c807f92daf266894093c70f8d5ac6afa) Fix: glob processing (fixes #11940) (#11986) (Toru Nagashima)
+* [`bfcf8b2`](https://github.com/eslint/eslint/commit/bfcf8b21011466b570b536ca31ec10fd228b3dca) Fix: dot-location errors with parenthesized objects (fixes #11868) (#11933) (Milos Djermanovic)
+* [`79e8d09`](https://github.com/eslint/eslint/commit/79e8d099bbbebfa4d804484eeeeea9c074ede870) Fix: add parens for sequence expr in arrow-body-style (fixes #11917) (#11918) (Pig Fang)
+* [`105c098`](https://github.com/eslint/eslint/commit/105c098f3cece8b83ab8d1566b8ea41dd94a60b9) Docs: update docs for object-curly-spacing (fixes #11634) (#12009) (Chiawen Chen)
+* [`c90a12c`](https://github.com/eslint/eslint/commit/c90a12c283698befcafd2c86f8bd8942428fe80b) Chore: update release script for new website repo (#12006) (Kai Cataldo)
+* [`e2c08a9`](https://github.com/eslint/eslint/commit/e2c08a9c8d86238955ecc8fd5a626584ee91eba5) Sponsors: Sync README with website (ESLint Jenkins)
+* [`b974fcb`](https://github.com/eslint/eslint/commit/b974fcbd3321ab382a914520018d4c051b2e5c62) Update: Check computed property keys in no-extra-parens (#11952) (Milos Djermanovic)
+* [`222d27c`](https://github.com/eslint/eslint/commit/222d27c32a6d6d8828233b3b99e93ecefa94c603) Update: Add for-in and for-of checks for props in no-param-reassign (#11941) (Milos Djermanovic)
+* [`e4c450f`](https://github.com/eslint/eslint/commit/e4c450febc9bd77b33f6473667afa9f955be6b71) Fix: no-extra-parens autofix with `in` in a for-loop init (fixes #11706) (#11848) (Milos Djermanovic)
+* [`2dafe2d`](https://github.com/eslint/eslint/commit/2dafe2d288d1e0d353bb938d12a5da888091cfdb) Fix: prefer-const produces invalid autofix (fixes #11699) (#11827) (Milos Djermanovic)
+* [`cb475fd`](https://github.com/eslint/eslint/commit/cb475fd8c0bbfcb00340459966b6780f39ea87a7) Fix: Cache file error handling on read-only file system. (fixes #11945) (#11946) (Cuki)
+* [`89412c3`](https://github.com/eslint/eslint/commit/89412c3cbc52e556dba590fa94e10bf40faf1fdf) Docs: Fixed a typo (fixes #11999) (#12000) (Eddie Olson)
+* [`6669f78`](https://github.com/eslint/eslint/commit/6669f78a3dd305aef6191e7eea24fae2ae4fd2e8) Fix: --init with Vue.js failed (fixes #11970) (#11985) (Toru Nagashima)
+* [`93633c2`](https://github.com/eslint/eslint/commit/93633c2b3716b17816bcb3dc221c49b75db41317) Upgrade: Upgrade lodash dependency (fixes #11992) (#11994) (Cyd La Luz)
+* [`776dae7`](https://github.com/eslint/eslint/commit/776dae71f2f5c7b5f0650ea3c277eca26e324e41) Docs: fix wrong Node.js version in getting started (#11993) (Toru Nagashima)
+* [`4448261`](https://github.com/eslint/eslint/commit/4448261f5d217d8a06eb0ef898401928b54a34e3) Docs: some typos and optimization points (#11960) (Jason Lee)
+* [`2a10856`](https://github.com/eslint/eslint/commit/2a10856d1ed5880a09a5ba452bd80d49c1be4e6c) Chore: Add temporary test files to .gitignore (#11978) (Milos Djermanovic)
+* [`d83b233`](https://github.com/eslint/eslint/commit/d83b23382de3b80056a7e6330ed5846316c94147) Chore: update path for release bundles (#11977) (Kai Cataldo)
+* [`1fb3620`](https://github.com/eslint/eslint/commit/1fb362093a65b99456a11029967d9ee0c31fd697) Fix: creating of enabledGlobals object without prototype (fixes #11929) (#11935) (finico)
+* [`c2f2db9`](https://github.com/eslint/eslint/commit/c2f2db97c6d6a415b78ee7b3e8924853d465e757) Docs: Replace global true and false with writable and readonly in rules (#11956) (Milos Djermanovic)
+* [`19335b8`](https://github.com/eslint/eslint/commit/19335b8f47029b2f742d5507ba39484eaf68d07b) Fix: actual messageId and expected messageId are switched in rule tester (#11928) (Milos Djermanovic)
+* [`8b216e0`](https://github.com/eslint/eslint/commit/8b216e04fb0dd0a1a4d3730ebe4b24780020b09c) Docs: Fix incorrect example comments for unicode-bom rule (fixes #11937) (#11938) (Brandon Yeager)
+* [`cc3885b`](https://github.com/eslint/eslint/commit/cc3885b028e29ebc575c900f43af81cb0dabffb6) Chore: add v8-compile-cache to speed up instantiation time (#11921) (薛定谔的猫)
+* [`d8f2688`](https://github.com/eslint/eslint/commit/d8f26886f19a17f2e1cdcb91e2db84fc7ba3fdfb) Upgrade: deps (#11904) (薛定谔的猫)
+* [`e5f1ccc`](https://github.com/eslint/eslint/commit/e5f1ccc9e2d07ad0acf149027ffc382021d54da1) Docs: add 'stricter rule config validating' in migrating docs (#11905) (薛定谔的猫)
+
+v6.0.1 - June 24, 2019
+
+* [`b5bde06`](https://github.com/eslint/eslint/commit/b5bde0669bd6a7a6b8e38cdf204d8d4b932cea63) Fix: --rulesdir option didn't work (fixes #11888) (#11890) (Toru Nagashima)
+* [`13f0418`](https://github.com/eslint/eslint/commit/13f041897ee31982808a57b4d06450b57c9b27dc) Fix: improve error message on --print-config (fixes #11874) (#11885) (Toru Nagashima)
+* [`056c2aa`](https://github.com/eslint/eslint/commit/056c2aaf39a5f8d06de24f06946dda95032a0361) Fix: improve diagnostics for shareable-config-missing errors (#11880) (Teddy Katz)
+* [`566b7aa`](https://github.com/eslint/eslint/commit/566b7aa5d61fb31cd47fe4da7820b07cf9bde1ec) Docs: Update no-confusing-arrow with the new default option (#11886) (Yuping Zuo)
+* [`d07f3fa`](https://github.com/eslint/eslint/commit/d07f3fae19b901c30cf4998f10722cb3182bd237) Fix: CLIEngine#getRules() contains plugin rules (fixes #11871) (#11872) (Toru Nagashima)
+* [`21f4a80`](https://github.com/eslint/eslint/commit/21f4a8057ccc941f72bb617ae3b5c135a774f6c0) Docs: Fix inconsistent linking in migration guide (#11881) (Teddy Katz)
+* [`f3a0774`](https://github.com/eslint/eslint/commit/f3a0774a8879b08777a4aedc76677f13d5156242) Docs: Fix typo in 6.0.0 migration guide (#11870) (Kevin Partington)
+
+v6.0.0 - June 21, 2019
+
+* [`81aa06b`](https://github.com/eslint/eslint/commit/81aa06b4cc49e9c15234a2c4d27659a03fea53d8) Upgrade: espree@6.0.0 (#11869) (Teddy Katz)
+* [`5f022bc`](https://github.com/eslint/eslint/commit/5f022bc91d0d93d140876ceb1ee4e08b1b7cfd49) Fix: no-else-return autofix produces name collisions (fixes #11069) (#11867) (Milos Djermanovic)
+* [`ded9548`](https://github.com/eslint/eslint/commit/ded9548d881b15e771ca79b844e8159601f30f70) Fix: multiline-comment-style incorrect message (#11864) (golopot)
+* [`cad074d`](https://github.com/eslint/eslint/commit/cad074d4ddb34a59183b5965ca50170713b5a711) Docs: Add JSHint W047 compat to no-floating-decimal (#11861) (Timo Tijhof)
+* [`41f6304`](https://github.com/eslint/eslint/commit/41f6304ce641a82ee729251b448dceb9fb0d501d) Upgrade: sinon (#11855) (Toru Nagashima)
+* [`167ce87`](https://github.com/eslint/eslint/commit/167ce87e908ec04b0d3d79960278d45c883c4285) Chore: remove unuseable profile command (#11854) (Toru Nagashima)
+* [`c844c6f`](https://github.com/eslint/eslint/commit/c844c6f2ff314cfa8c6ca0e35a1ef58b7e297b79) Fix: max-len properly ignore trailing comments (fixes #11838) (#11841) (ZYSzys)
+* [`1b5661a`](https://github.com/eslint/eslint/commit/1b5661ae467c227c0239e06cc1466480004aa799) Fix: no-var should not fix variables named 'let' (fixes #11830) (#11832) (Milos Djermanovic)
+* [`4d75956`](https://github.com/eslint/eslint/commit/4d75956147b6fd662ee90eb21d3f762816463b88) Build: CI with Azure Pipelines (#11845) (Toru Nagashima)
+* [`1db3462`](https://github.com/eslint/eslint/commit/1db346220889305a427b45a00afcf362b81b3767) Chore: rm superfluous argument & fix perf-multifiles-targets (#11834) (薛定谔的猫)
+* [`c57a4a4`](https://github.com/eslint/eslint/commit/c57a4a4a993193c4208c6419df331a7bc644a536) Upgrade: @babel/polyfill => core-js v3 (#11833) (薛定谔的猫)
+* [`65faa04`](https://github.com/eslint/eslint/commit/65faa04e8b42eecd4505111bbff296951179f033) Docs: Clarify prefer-destructuring array/object difference (fixes #9970) (#11851) (Oliver Sieweke)
+* [`81c3823`](https://github.com/eslint/eslint/commit/81c382378923a45015bafe58362f6c8faa5c3d5f) Fix: require-atomic-updates reports parameters (fixes #11723) (#11774) (Toru Nagashima)
+* [`aef8ea1`](https://github.com/eslint/eslint/commit/aef8ea1a44b9f13d468f48536c4c93f79f201d9b) Sponsors: Sync README with website (ESLint Jenkins)
+
+v6.0.0-rc.0 - June 9, 2019
+
+* [`f403b07`](https://github.com/eslint/eslint/commit/f403b07283f91f1285d8318d6acea851dd765755) Update: introduce minKeys option to sort-keys rule (fixes #11624) (#11625) (Christian)
+* [`87451f4`](https://github.com/eslint/eslint/commit/87451f4779bc4c0ec874042b6854920f947ee258) Fix: no-octal should report NonOctalDecimalIntegerLiteral (fixes #11794) (#11805) (Milos Djermanovic)
+* [`e4ab053`](https://github.com/eslint/eslint/commit/e4ab0531c4e44c23494c6a802aa2329d15ac90e5) Update: support "bigint" in valid-typeof rule (#11802) (Colin Ihrig)
+* [`e0fafc8`](https://github.com/eslint/eslint/commit/e0fafc8ef59a80a6137f4170bbe46582d6fbcafc) Chore: removes unnecessary assignment in loop (#11780) (Dimitri Mitropoulos)
+* [`20908a3`](https://github.com/eslint/eslint/commit/20908a38f489c285abf8fceef4d9d13bf8b87f22) Docs: removed '>' prefix from from docs/working-with-rules (#11818) (Alok Takshak)
+* [`1c43eef`](https://github.com/eslint/eslint/commit/1c43eef605a9cf02a157881424ea62dcae747f69) Sponsors: Sync README with website (ESLint Jenkins)
+* [`21f3131`](https://github.com/eslint/eslint/commit/21f3131aa1636afa8e5c01053e0e870f968425b1) Fix: `overrides` handle relative paths as expected (fixes #11577) (#11799) (Toru Nagashima)
+* [`5509cdf`](https://github.com/eslint/eslint/commit/5509cdfa1b3d575248eef89a935f79c82e3f3071) Fix: fails the test case if autofix made syntax error (fixes #11615) (#11798) (Toru Nagashima)
+* [`cb1922b`](https://github.com/eslint/eslint/commit/cb1922bdc07e58de0e55c13fd992dd8faf3292a4) Fix: show custom message for namespace import (fixes #11580) (#11791) (Pig Fang)
+* [`37e5193`](https://github.com/eslint/eslint/commit/37e5193102d7544f155cdcb09c7c50dc602914d4) Update: add `endColumn` to no-useless-escape (fixes #11629) (#11790) (Pig Fang)
+* [`ad4b048`](https://github.com/eslint/eslint/commit/ad4b048c6d034cbd7fd97deb4390d059bde8803f) Build: Fix typo in blog post template (fixes #11614) (#11782) (Kai Cataldo)
+* [`9590587`](https://github.com/eslint/eslint/commit/9590587cef74c936ef9b7ce2d22a71e2fd0fbbc4) Update: improve reported location of arrow-parens (fixes #11773) (#11775) (Pig Fang)
+* [`d662b17`](https://github.com/eslint/eslint/commit/d662b178c7dad193201564d16f7977af2f81ebcf) New: Add classname attribute to JUnit testcase (refs #11068) (#11683) (Fabio Pitino)
+* [`8eaa9b2`](https://github.com/eslint/eslint/commit/8eaa9b259dc08dfb48269b1e4413d0d47698ed87) Chore: remove incorrect comment (#11769) (薛定谔的猫)
+* [`4039a49`](https://github.com/eslint/eslint/commit/4039a49177f2fefacd747050b420c0c4560b7d4b) Chore: add .github/funding.yml (#11764) (Toru Nagashima)
+
+v6.0.0-alpha.2 - May 25, 2019
+
+* [`9b87fee`](https://github.com/eslint/eslint/commit/9b87fee9dc7b1d99a50b924cb6b81255ebb5c4a2) Chore: Fix formatter documentation generation (#11767) (Ilya Volodin)
+* [`f116208`](https://github.com/eslint/eslint/commit/f11620848733a3a6f58811d9bb2c3e748d6135ac) Chore: Fix site generation script for releases (#11766) (Ilya Volodin)
+* [`cf9cce8`](https://github.com/eslint/eslint/commit/cf9cce81aa68e9bc23840530cb33f4c3f551fb1e) Update: Add never option for new-parens (refs #10034) (#11379) (pfgithub)
+* [`b5fa149`](https://github.com/eslint/eslint/commit/b5fa1491d2371a721e4b5029e797ae98fd30fed2) New: multiple processors support (fixes #11035, fixes #11725) (#11552) (Toru Nagashima)
+* [`2d32a9e`](https://github.com/eslint/eslint/commit/2d32a9e8dd10a5927576bd50d184876c775da4af) Breaking: stricter rule config validating (fixes #9505) (#11742) (薛定谔的猫)
+* [`71716eb`](https://github.com/eslint/eslint/commit/71716eba3155266d777b994a38af524952e97696) Update: add fixer for no-div-regex rule (fixes #11355) (#11744) (joe-re)
+* [`53f7f4c`](https://github.com/eslint/eslint/commit/53f7f4cf8d8b66a1911db56e4f72764388a21cc4) Update: Uniform messages for the rules in "complexity" section (#11759) (Igor Novozhilov)
+* [`0a801d7`](https://github.com/eslint/eslint/commit/0a801d702dc41dae7eac0c802b822493ddc3ac41) Chore: improve perf test (#11756) (薛定谔的猫)
+* [`45bd336`](https://github.com/eslint/eslint/commit/45bd336e647a6fa8a502488e5cbd27ba02712083) Docs: add about RuleTester's parser to migration guide (fixes #11728) (#11761) (Toru Nagashima)
+* [`1374be4`](https://github.com/eslint/eslint/commit/1374be44f7ec4b8c913c52cc84debc4012c4f3ea) Docs: add table of contents in readme (#11765) (薛定谔的猫)
+* [`54e6eda`](https://github.com/eslint/eslint/commit/54e6edaa2f881aab530fa14e63d92e5e0e2ca55c) New: extends in glob-based config (fixes #8813) (#11554) (Toru Nagashima)
+* [`ec105b2`](https://github.com/eslint/eslint/commit/ec105b24f7e036ecdc4267f018529ac3765e29d5) Chore: typo in JSDoc on timing.display's return value (#11755) (Dimitri Mitropoulos)
+* [`e45cc3f`](https://github.com/eslint/eslint/commit/e45cc3f3dc44f3a5b6b713a1bf5ce6e46d87ca49) Docs: updated no-proto rule (fixes #11743) (#11746) (Francesco Trotta)
+* [`15c6c63`](https://github.com/eslint/eslint/commit/15c6c6374c0425d5402142d012a541fa208bc9da) Chore: eslint-config-eslint require node >= 8 (#11718) (薛定谔的猫)
+* [`f9790ca`](https://github.com/eslint/eslint/commit/f9790ca1baec1275f3c946586766a5713258ac32) Fix: typo: missing word in docs (#11750) (Dimitri Mitropoulos)
+* [`219aecb`](https://github.com/eslint/eslint/commit/219aecb78bc646d44bad27dc775a9b3d3dc58232) Chore: restructure files (#11555) (Toru Nagashima)
+* [`5dad0b1`](https://github.com/eslint/eslint/commit/5dad0b1d80c9cf380c49f46266c35d461d3cecad) Fix: Unignoring directories in .eslintignore (fixes #11684) (#11685) (Mykola Bilochub)
+* [`4625090`](https://github.com/eslint/eslint/commit/462509058e46770cf70307cf8dba279f0e73b967) Docs: small fix about the migration guide (#11729) (Toru Nagashima)
+* [`0e89c73`](https://github.com/eslint/eslint/commit/0e89c73177398eaf978a50d5b0f79ff8e43512f2) Sponsors: Sync README with website (ESLint Jenkins)
+* [`5a296fa`](https://github.com/eslint/eslint/commit/5a296fa0c9345ad1a55e2b257e5f6c9f05fff362) Sponsors: Sync README with website (ESLint Jenkins)
+* [`7c8e86b`](https://github.com/eslint/eslint/commit/7c8e86bf2c900cec7cd1dfd529a8c77cc81ef34c) Fix: wrong 'plugin-missing' error on Node.js 12 (fixes #11720) (#11722) (Toru Nagashima)
+* [`67c671f`](https://github.com/eslint/eslint/commit/67c671fdc1c8b08cb8d263a9bb2151e3108c88b4) Chore: ignore deprecated rules in fuzz tests (#11710) (Pig Fang)
+* [`af81cb3`](https://github.com/eslint/eslint/commit/af81cb3ecc5e6bf43a6a2d8f326103350513a1b8) Chore: make fuzzer produce minimal reproducible examples of bugs (#11700) (Teddy Katz)
+
+v6.0.0-alpha.1 - May 10, 2019
+
+* [`e84b6f8`](https://github.com/eslint/eslint/commit/e84b6f8b171ba4266164688f76d5ee45d278e5c2) Docs: fix example in object-curly-newline docs (#11633) (golopot)
+* [`252efd3`](https://github.com/eslint/eslint/commit/252efd337b1441debb6d2cc8f51a625549b2c535) Fix: delete unnecessary duplicated question (fixes #11617) (#11618) (HelloRusk)
+* [`21dd211`](https://github.com/eslint/eslint/commit/21dd2116c70b93aa8dd50d2b15e202724b11486a) New: add --resolve-plugins-relative-to flag (#11696) (Teddy Katz)
+* [`1a3a88d`](https://github.com/eslint/eslint/commit/1a3a88df2f952c34631d8e1d83de47178826fce0) Fix: Curly rule incorrectly flagging lexical declarations (fixes #11663) (#11675) (Brian Kurek)
+* [`f42d0af`](https://github.com/eslint/eslint/commit/f42d0afd89874b459fce1eb1998247d53f9aa42b) Chore: lazy loading for rules (#11705) (Toru Nagashima)
+* [`f47d72c`](https://github.com/eslint/eslint/commit/f47d72ce2f2edb80cd38810894b9d4bda896bb29) Fix: not set ecmaVersion to 6 when sourceType=module (fixes #9687) (#11649) (薛定谔的猫)
+* [`9484e9e`](https://github.com/eslint/eslint/commit/9484e9ea188ff70683c3112e397c7fddcc3f8095) Fix: ignore return statements in dead code (fixes #11647) (#11688) (Toru Nagashima)
+* [`aae6f65`](https://github.com/eslint/eslint/commit/aae6f6525557ba06e73f051511646056313fcf91) Fix: don't use deprecated API (#11689) (Toru Nagashima)
+* [`483239e`](https://github.com/eslint/eslint/commit/483239ec74a0c13529fc99547a784b749f41dd54) Docs: updated ImportDeclaration in docs-rules-indent (#11679) (Alok Takshak)
+* [`f5bae78`](https://github.com/eslint/eslint/commit/f5bae78c19d5359f67969a2ff344025082e253f4) Chore: fix CLIEngine tests when os.tmpdir is a symlink (#11697) (Teddy Katz)
+* [`e4400b5`](https://github.com/eslint/eslint/commit/e4400b5a02602bba7f67ea4cb874c231903c546a) Fix: require-atomic-updates false positive (fixes #11194, fixes #11687) (#11224) (Toru Nagashima)
+* [`6ae21a4`](https://github.com/eslint/eslint/commit/6ae21a4bfe5a1566f787fbad798182a524b96d28) Breaking: fix config loading (fixes #11510, fixes #11559, fixes #11586) (#11546) (Toru Nagashima)
+* [`bc0819c`](https://github.com/eslint/eslint/commit/bc0819c94aad14f7fad3cbc2338ea15658b0f272) Sponsors: Sync README with website (ESLint Jenkins)
+* [`036a188`](https://github.com/eslint/eslint/commit/036a188143677384f720ff18071fc4206c54500b) Sponsors: Sync README with website (ESLint Jenkins)
+* [`4b3b036`](https://github.com/eslint/eslint/commit/4b3b036d6240cdbc2d52e670de36b1117f5f34d7) Docs: replace `var` with `const` in code examples (#11655) (Niyaz Akhmetov)
+* [`e4a08ba`](https://github.com/eslint/eslint/commit/e4a08bae82788136b6899262cb8b9ed4fe7964e6) Chore: update eslint-plugin-node to 9.0.0 (#11670) (Toru Nagashima)
+* [`f2e7828`](https://github.com/eslint/eslint/commit/f2e78281d057f38b18cc160e81ed1bb54a5b9565) Docs: Fix Node 6 LTS EOL date (#11676) (James Ross)
+* [`4052bfe`](https://github.com/eslint/eslint/commit/4052bfebb87850b901f2eb8687edfbe49c01d68f) Sponsors: Sync README with website (ESLint Jenkins)
+* [`f6fc045`](https://github.com/eslint/eslint/commit/f6fc0450e749707bed44118c1205fb4e73e65628) Sponsors: Sync README with website (ESLint Jenkins)
+* [`1ebf21b`](https://github.com/eslint/eslint/commit/1ebf21bc18769956366110bb62ff677639e633ae) Sponsors: Sync README with website (ESLint Jenkins)
+* [`776b0fe`](https://github.com/eslint/eslint/commit/776b0fe3d93da958517ac7752682091f22eb30b4) Fix: update rule message of no-throw-literal (fixes #11637) (#11638) (Pig Fang)
+* [`67c08b6`](https://github.com/eslint/eslint/commit/67c08b67509c54acd96aab2cec22efb53bfe6265) Fix: consider comments in object-curly-spacing (fixes #11656) (#11657) (Pig Fang)
+* [`b6d41cb`](https://github.com/eslint/eslint/commit/b6d41cbe28a8b28b1c1d9aa36cb4c349c73f6f1d) Fix: check token before using in no-cond-assign (fixes #11611) (#11619) (Pig Fang)
+* [`7f290a9`](https://github.com/eslint/eslint/commit/7f290a9044ca795884ac2e495cd31b2a35f109a6) Chore: add eslint as a devDependeny (#11654) (Toru Nagashima)
+* [`139fd2f`](https://github.com/eslint/eslint/commit/139fd2f1254bcc524738f8c2645e0847df95e0d0) Chore: add markdownlint-cli (#11653) (Toru Nagashima)
+* [`adc6585`](https://github.com/eslint/eslint/commit/adc6585ce074e03fc8a842e8ebc5b082a0ed0b65) Docs: update status of breaking changes in migration guide (#11652) (Teddy Katz)
+* [`eef71e4`](https://github.com/eslint/eslint/commit/eef71e455e67040168c8df8a6c9c2b4fbe805a50) Docs: add missing items to migration guide (#11628) (Teddy Katz)
+* [`0fc8e62`](https://github.com/eslint/eslint/commit/0fc8e62818bc8d0a0a804b59c6110818844df5f3) Breaking: eslint:recommended changes (fixes #10768) (#11518) (薛定谔的猫)
+* [`1c34d4a`](https://github.com/eslint/eslint/commit/1c34d4a6313c399761281282fff3a1bbe5e17b6d) Sponsors: Sync README with website (ESLint Jenkins)
+* [`33695e7`](https://github.com/eslint/eslint/commit/33695e7f7048306ac196eff6e5a16e165ad03090) Sponsors: Sync README with website (ESLint Jenkins)
+* [`c94cf21`](https://github.com/eslint/eslint/commit/c94cf212d31513fde74e0ea88b79e5e0f89a18a4) Sponsors: Sync README with website (ESLint Jenkins)
+* [`f62a451`](https://github.com/eslint/eslint/commit/f62a4510b007172c7160f007a6ec2aa2c9a80dd7) Build: add node 12 (#11648) (薛定谔的猫)
+* [`20364cc`](https://github.com/eslint/eslint/commit/20364cc4f7fe0423adce0dd44fb24fc48e1cae4b) Breaking: make no-redeclare stricter (fixes #11370, fixes #11405) (#11509) (Toru Nagashima)
+* [`ed675a6`](https://github.com/eslint/eslint/commit/ed675a6e5ac42898555c51a7cf771b79695ba591) Sponsors: Sync README with website (ESLint Jenkins)
+* [`8b4dba6`](https://github.com/eslint/eslint/commit/8b4dba606f8306f8ad0a37e2174a6e3236f7ebe7) Chore: Add linting to git commit (#11556) (Nicholas C. Zakas)
+* [`8684f46`](https://github.com/eslint/eslint/commit/8684f4646da33bfe81e8f7f8c2d1af8b31065564) Sponsors: Sync README with website (ESLint Jenkins)
+* [`1bdacc9`](https://github.com/eslint/eslint/commit/1bdacc9b703158d5ca3563e4a9b67bb8453ac316) Sponsors: Sync README with website (ESLint Jenkins)
+* [`e62c8af`](https://github.com/eslint/eslint/commit/e62c8af6a86e35dc05f30713faf87a18cc77714d) Sponsors: Sync README with website (ESLint Jenkins)
+* [`1dfe077`](https://github.com/eslint/eslint/commit/1dfe077b7e47c6090277eb984e08bd472bb5595e) Fix: autofix of no-unneeded-ternary made syntax error (fixes #11579) (#11616) (Toru Nagashima)
+* [`bebd079`](https://github.com/eslint/eslint/commit/bebd0793eaf122b013cca501ff2c6b0fc05d5493) Docs: fix grammar mistake in no-caller docs (#11623) (Daniel Lemay)
+* [`f570be1`](https://github.com/eslint/eslint/commit/f570be17b339cb7622c512331b1653013279855a) Sponsors: Sync README with website (ESLint Jenkins)
+* [`7c13a1c`](https://github.com/eslint/eslint/commit/7c13a1c144a6a7c99cd9338a24166da9f7439cd0) Sponsors: Sync README with website (ESLint Jenkins)
+* [`b7bd432`](https://github.com/eslint/eslint/commit/b7bd432e1161feba8dbb81f62cf03cafad42c3d4) Sponsors: Sync README with website (ESLint Jenkins)
+* [`412a76b`](https://github.com/eslint/eslint/commit/412a76b316e05ca85334c1d6bc6372df536da2db) Sponsors: Sync README with website (ESLint Jenkins)
+
+v6.0.0-alpha.0 - April 12, 2019
+
+* [`3d9e137`](https://github.com/eslint/eslint/commit/3d9e1372aad1e174b5438e3d6bd75fdefba06bad) Chore: fix test that fails when the CWD contains a space (#11612) (Teddy Katz)
+* [`8bfd1d1`](https://github.com/eslint/eslint/commit/8bfd1d138001d4493180b2fcff3330b42d0bb7cb) Docs: add v6.0.0 migration guide (#11515) (Teddy Katz)
+* [`9e49b56`](https://github.com/eslint/eslint/commit/9e49b56c08fd0e449fddab45dfeb0da8d918b460) Breaking: upgrade espree to 6.0.0-alpha.0 (fixes #9687) (#11610) (Teddy Katz)
+* [`0127d10`](https://github.com/eslint/eslint/commit/0127d107590acabfdea4a68b56acbeee6a7b9daa) Fix: no-var fixed to incorrect code (fixes #11441) (#11443) (薛定谔的猫)
+* [`5cfdc2d`](https://github.com/eslint/eslint/commit/5cfdc2d08307c63bec487e76d2f470ef84166867) Update: Improve no-loop-func rule description and message (#11046) (Pedro Lopes)
+* [`608a02c`](https://github.com/eslint/eslint/commit/608a02c60656b96c3219d342eee7e98b55bdd580) Fix: object-shorthand ignoreConstructors option (fixes #11595) (#11596) (overlookmotel)
+* [`eeea893`](https://github.com/eslint/eslint/commit/eeea89361d48494995446ddb6ee6f049457911ec) Upgrade: update js-yaml package to 3.13.1 version (#11607) (Pobegaylo Maksim)
+* [`e70d5f7`](https://github.com/eslint/eslint/commit/e70d5f7573a9641d7b63394df53a3ef86183445c) Upgrade: compatible deps (#11608) (薛定谔的猫)
+* [`a55913d`](https://github.com/eslint/eslint/commit/a55913d6c6fd1a7c684b8b4d7ab380cf7dc83eb8) Sponsors: Sync README with website (ESLint Jenkins)
+* [`9a6e8fe`](https://github.com/eslint/eslint/commit/9a6e8fe4b025d52275f7ad2959361587f476cc58) Sponsors: Sync README with website (ESLint Jenkins)
+* [`cbdee62`](https://github.com/eslint/eslint/commit/cbdee6230d22522c37259449467ace16f28ea8e8) Docs: README updates to reflect JSCS compat project is finished (#11568) (Kevin Partington)
+* [`b92ca6e`](https://github.com/eslint/eslint/commit/b92ca6ea8ae46b92c258921e8b5b40f5035dbc43) Fix: getErrorResults function to not mutate passed parameter (#11592) (danielamaia)
+* [`ef7801e`](https://github.com/eslint/eslint/commit/ef7801ea510e12a9ca4963bcc8ec7e3aacc75ff0) Breaking: disallow invalid rule defaults in RuleTester (fixes #11473) (#11599) (Teddy Katz)
+* [`c021117`](https://github.com/eslint/eslint/commit/c021117915d5d23399233f761a237e138f1854af) Sponsors: Sync README with website (ESLint Jenkins)
+* [`4e7cdca`](https://github.com/eslint/eslint/commit/4e7cdca571632a3f3c32b39eb03022fe88ca8b30) Breaking: comma-dangle enable functions: "never" (fixes #11502) (#11519) (薛定谔的猫)
+* [`12f256f`](https://github.com/eslint/eslint/commit/12f256f22534c4a4e1ca0ba54c37c6db81441461) Breaking: no-confusing-arrow enable allowParens: true (fixes #11503) (#11520) (薛定谔的猫)
+* [`25cc63d`](https://github.com/eslint/eslint/commit/25cc63d47e6c0aea8b88589a088c1f0de5f6f1cc) Breaking: simplify config/plugin/parser resolution (fixes #10125) (#11388) (Teddy Katz)
+* [`63fead8`](https://github.com/eslint/eslint/commit/63fead86f8cf4e6b33d5424fb7db1e76a66d4cce) Sponsors: Sync README with website (ESLint Jenkins)
+* [`595de40`](https://github.com/eslint/eslint/commit/595de4074fac1b5839f56b29fe0106a7fda7e3e0) Docs: edit arrow-parens as-needed explanation (fixes #11202) (#11569) (Logan Lowder)
+* [`3396c3e`](https://github.com/eslint/eslint/commit/3396c3e2231b5b6e16da8751c22c86c256590f6b) Upgrade: karma@^4.0.1, drops Node 6 support, fixes vulnerability (#11570) (Kevin Partington)
+* [`2f8ae13`](https://github.com/eslint/eslint/commit/2f8ae1397eef3625fe66636e95b0b312c6ff8a37) Update: support single argument on newline with function-paren-newline (#11406) (Vladlen Grachev)
+* [`fd1c91b`](https://github.com/eslint/eslint/commit/fd1c91b00e8d8c3a83d21e60668d5f1fa61cb214) Breaking: throw an error for invalid global configs (refs #11338) (#11517) (Teddy Katz)
+* [`be83322`](https://github.com/eslint/eslint/commit/be833229b355eafb90f3e0bbc29bb106e100bed0) Breaking: Remove extra rules from eslint:recommended (fixes #10873) (#11357) (Kevin Partington)
+* [`2543f11`](https://github.com/eslint/eslint/commit/2543f11dfe8069ed5096073169cf6791d42454db) Breaking: remove deprecated experimentalObjectRestSpread option (#11420) (Teddy Katz)
+* [`19248e0`](https://github.com/eslint/eslint/commit/19248e0838425748d75518fe9f0a985587793378) Fix: make `overrides[].files` matching dotfiles (fixes #11201) (#11225) (Toru Nagashima)
+* [`0fb5fd4`](https://github.com/eslint/eslint/commit/0fb5fd402334098dc44cbfbb8ab25919da04843d) Breaking: interpret rule options as unicode regexes (fixes #11423) (#11516) (Teddy Katz)
+* [`6e7da57`](https://github.com/eslint/eslint/commit/6e7da57dddc41830df4aee77e31c4320c1557350) Breaking: drop Node.js 6 support (fixes #11456) (#11557) (Toru Nagashima)
+* [`a73b4b8`](https://github.com/eslint/eslint/commit/a73b4b8d6398b00bdaf90599d9e6d1c80f000f88) Docs: Update README team and sponsors (ESLint Jenkins)
+
+v5.16.0 - March 29, 2019
+
+* [`dfef227`](https://github.com/eslint/eslint/commit/dfef227091955a2f8f3fa8c76ad79de8a77e7955) Build: gensite passes rulesMeta to formatter rendering (#11567) (Kevin Partington)
+* [`c06d38c`](https://github.com/eslint/eslint/commit/c06d38c81bd9203c904587396a65d3c8cc7f2944) Fix: Allow HTML formatter to handle no meta data (#11566) (Ilya Volodin)
+* [`87a5c03`](https://github.com/eslint/eslint/commit/87a5c034977cf4538ff3539d2f8776a987c5942a) Docs: `func-style`: clarify when `allowArrowFunctions` is used (#11548) (Oliver Joseph Ash)
+* [`bc3e427`](https://github.com/eslint/eslint/commit/bc3e427ee8875c53eac6b6762884b50074f1adfc) Update: pass rule meta to formatters RFC 10 (#11551) (Chris Meyer)
+* [`b452f27`](https://github.com/eslint/eslint/commit/b452f270bc0b523d88d5d827c95be3096f82e99d) Chore: Update README to pull in reviewer data (#11506) (Nicholas C. Zakas)
+* [`afe3d25`](https://github.com/eslint/eslint/commit/afe3d25f8afb88caee43f7202d0eb96f33a92a6b) Upgrade: Bump js-yaml dependency to fix Denial of Service vulnerability (#11550) (Vernon de Goede)
+* [`4fe7eb7`](https://github.com/eslint/eslint/commit/4fe7eb7cecdc2395cf1eeaa20921bda8460b00c2) Chore: use nyc instead of istanbul (#11532) (Toru Nagashima)
+* [`f16af43`](https://github.com/eslint/eslint/commit/f16af439694aab473c647d8fae47c402bd489447) Chore: fix formatters/table test (#11534) (Toru Nagashima)
+* [`78358a8`](https://github.com/eslint/eslint/commit/78358a8f66e95c4fcc921f2497e8a5ec5f1537ec) Docs: fix duplicate punctuation in CLI docs (#11528) (Teddy Katz)
+
+v5.15.3 - March 18, 2019
+
+* [`71adc66`](https://github.com/eslint/eslint/commit/71adc665b9649b173adc76f80723b8de20664ae1) Fix: avoid moving comments in implicit-arrow-linebreak (fixes #11521) (#11522) (Teddy Katz)
+* [`1f715a2`](https://github.com/eslint/eslint/commit/1f715a20c145d8ccc38f3310afccd838495d09d4) Chore: make test-case-property-ordering reasonable (#11511) (Toru Nagashima)
+
+v5.15.2 - March 15, 2019
+
+* [`29dbca7`](https://github.com/eslint/eslint/commit/29dbca73d762a809adb2f457b527e144426d54a7) Fix: implicit-arrow-linebreak adds extra characters (fixes #11268) (#11407) (Mark de Dios)
+* [`5d2083f`](https://github.com/eslint/eslint/commit/5d2083fa3e14c024197f6c386ff72237a145e258) Upgrade: eslint-scope@4.0.3 (#11513) (Teddy Katz)
+* [`a5dae7c`](https://github.com/eslint/eslint/commit/a5dae7c3d30231c2f5f075d98c2c8825899bab16) Fix: Empty glob pattern incorrectly expands to "/**" (#11476) (Ben Chauvette)
+* [`448e8da`](https://github.com/eslint/eslint/commit/448e8da94d09b397e98ffcb6f22b55a578ef79c1) Chore: improve crash reporting (fixes #11304) (#11463) (Alex Zherdev)
+* [`0f56dc6`](https://github.com/eslint/eslint/commit/0f56dc6d9eadad05dc3d5c9d1d9ddef94e10c5d3) Chore: make config validator params more consistent (#11435) (薛定谔的猫)
+* [`d6c1122`](https://github.com/eslint/eslint/commit/d6c112289f0f16ade070865c8786831b7940ca79) Docs: Add working groups to maintainer guide (#11400) (Nicholas C. Zakas)
+* [`5fdb4d3`](https://github.com/eslint/eslint/commit/5fdb4d3fb01b9d8a4c2dff71ed9cddb2f8feefb0) Build: compile deps to ES5 when generating browser file (fixes #11504) (#11505) (Teddy Katz)
+* [`06fa165`](https://github.com/eslint/eslint/commit/06fa1655c3da8394ed9144d727115fc434b0416f) Build: update CI testing configuration (#11500) (Reece Dunham)
+* [`956e883`](https://github.com/eslint/eslint/commit/956e883c21fd9f393bf6718d032a4e2e53b33f22) Docs: Fix example in no-restricted-modules docs (#11454) (Paul O’Shannessy)
+* [`2c7431d`](https://github.com/eslint/eslint/commit/2c7431d6b32063f74e3837ee727f26af215eada7) Docs: fix json schema example dead link (#11498) (kazuya kawaguchi)
+* [`e7266c2`](https://github.com/eslint/eslint/commit/e7266c2478aff5d66e7859313feb49e3a129f85e) Docs: Fix invalid JSON in "Specifying Parser Options" (#11492) (Mihira Jayasekera)
+* [`6693161`](https://github.com/eslint/eslint/commit/6693161978a83e0730d5ea0fecdb627c5a2acdfd) Sponsors: Sync README with website (ESLint Jenkins)
+* [`62fee4a`](https://github.com/eslint/eslint/commit/62fee4a976897d158c8c137339728cd280333286) Chore: eslint-config-eslint enable comma-dangle functions: "never" (#11434) (薛定谔的猫)
+* [`34a5382`](https://github.com/eslint/eslint/commit/34a53829e7a63ff2f6b371d77ce283bbdd373b91) Build: copy bundled espree to website directory (#11478) (Pig Fang)
+* [`f078f9a`](https://github.com/eslint/eslint/commit/f078f9a9e094ec00c61a6ef1c9550d017631e69a) Chore: use "file:" dependencies for internal rules/config (#11465) (Teddy Katz)
+* [`0756128`](https://github.com/eslint/eslint/commit/075612871f85aa04cef8137bd32247e128ad600b) Docs: Add `visualstudio` to formatter list (#11480) (Patrick Eriksson)
+* [`44de9d7`](https://github.com/eslint/eslint/commit/44de9d7e1aa2fcae475a97b8f597b7d8094566b2) Docs: Fix typo in func-name-matching rule docs (#11484) (Iulian Onofrei)
+
+v5.15.1 - March 4, 2019
+
+* [`fe1a892`](https://github.com/eslint/eslint/commit/fe1a892f85b09c3d2fea05bef011530a678a6af5) Build: bundle espree (fixes eslint/eslint.github.io#546) (#11467) (薛定谔的猫)
+* [`458053b`](https://github.com/eslint/eslint/commit/458053b0b541f857bf233dacbde5ba80681820f8) Fix: avoid creating invalid regex in no-warning-comments (fixes #11471) (#11472) (Teddy Katz)
+
+v5.15.0 - March 1, 2019
+
+* [`4088c6c`](https://github.com/eslint/eslint/commit/4088c6c9d4578cd581ce8ff4385d90b58a75b755) Build: Remove path.resolve in webpack build (#11462) (Kevin Partington)
+* [`ec59ec0`](https://github.com/eslint/eslint/commit/ec59ec09c8d001b8c04f9edc09994e2b0d0af0f9) New: add rule "prefer-named-capture-group" (fixes #11381) (#11392) (Pig Fang)
+* [`a44f750`](https://github.com/eslint/eslint/commit/a44f75073306e5ea4e6722654009a99884fbca4f) Upgrade: eslint-scope@4.0.2 (#11461) (Teddy Katz)
+* [`d3ce611`](https://github.com/eslint/eslint/commit/d3ce611e1c705440ccbcae357f2194134d026541) Sponsors: Sync README with website (ESLint Jenkins)
+* [`ee88475`](https://github.com/eslint/eslint/commit/ee884754e4111e11994ff0df3f0c29e43e1dc3f2) Chore: add utils for rule tests (#11453) (薛定谔的猫)
+* [`d4824e4`](https://github.com/eslint/eslint/commit/d4824e46d7a6ca1618454d3c6198403382108123) Sponsors: Sync README with website (ESLint Jenkins)
+* [`6489518`](https://github.com/eslint/eslint/commit/64895185bde5233223648bcaf46f8deb72c9fb55) Fix: no-extra-parens crash when code is "((let))" (#11444) (Teddy Katz)
+* [`9d20de2`](https://github.com/eslint/eslint/commit/9d20de2b0ac756bd62888119b8e08c7441d8a5aa) Sponsors: Sync README with website (ESLint Jenkins)
+* [`3f14de4`](https://github.com/eslint/eslint/commit/3f14de458ba120e9c013f5fc7c6fe3e9b40c1460) Sponsors: Sync README with website (ESLint Jenkins)
+* [`3d6c770`](https://github.com/eslint/eslint/commit/3d6c7709d47e047b25d91ca1a77d6dab92313061) Sponsors: Sync README with website (ESLint Jenkins)
+* [`de5cbc5`](https://github.com/eslint/eslint/commit/de5cbc526b30405e742b35d85d04361529d49ed4) Update: remove invalid defaults from core rules (fixes #11415) (#11427) (Teddy Katz)
+* [`eb0650b`](https://github.com/eslint/eslint/commit/eb0650ba20cf9f9ad78dbaccfeb7e0e7ab56e31d) Build: fix linting errors on master (#11428) (Teddy Katz)
+* [`5018378`](https://github.com/eslint/eslint/commit/5018378131fd5190bbccca902c0cf4276ee1581a) Chore: enable require-unicode-regexp on ESLint codebase (#11422) (Teddy Katz)
+* [`f6ba633`](https://github.com/eslint/eslint/commit/f6ba633f56eca6be20fc4b0d9496a78b9498d578) Chore: lint all files in the repo at the same time (#11425) (Teddy Katz)
+* [`8f3d717`](https://github.com/eslint/eslint/commit/8f3d71754932669332ad7623bcc4c1aef3897125) Docs: Add non-attending TSC member info (#11411) (Nicholas C. Zakas)
+* [`ce0777d`](https://github.com/eslint/eslint/commit/ce0777da5bc167fe0c529158fd8216d3eaf11565) Docs: use more common spelling (#11417) (薛定谔的猫)
+* [`b9aabe3`](https://github.com/eslint/eslint/commit/b9aabe34311f6189b87c9d8a1aa40f3513fed773) Chore: run fuzzer along with unit tests (#11404) (Teddy Katz)
+* [`db0c5e2`](https://github.com/eslint/eslint/commit/db0c5e2a7f894b7cda71007b0ba43d7814b3fb2e) Build: switch from browserify to webpack (fixes #11366) (#11398) (Pig Fang)
+
+v5.14.1 - February 18, 2019
+
+* [`1d6e639`](https://github.com/eslint/eslint/commit/1d6e63930073e79e52890f552cc6e9a0646b7fb4) Fix: sort-keys throws Error at SpreadElement (fixes #11402) (#11403) (Krist Wongsuphasawat)
+
+v5.14.0 - February 15, 2019
+
+* [`85a04b3`](https://github.com/eslint/eslint/commit/85a04b319e6dfde1458174cd1d8c9e7d33da0871) Fix: adds conditional for separateRequires in one-var (fixes #10179) (#10980) (Scott Stern)
+* [`0c02932`](https://github.com/eslint/eslint/commit/0c02932f1b2e2a85809e84617efa1b8836c19cfb) Upgrade: espree@5.0.1 (#11401) (Ilya Volodin)
+* [`104ae88`](https://github.com/eslint/eslint/commit/104ae881d0b21e9c64e006b2a2c21535cef0ad28) Docs: Update governance doc with reviewers status (#11399) (Nicholas C. Zakas)
+* [`ab8ac6a`](https://github.com/eslint/eslint/commit/ab8ac6adaaf7a88e160899e7f438a4cfd655eb6e) Fix: Support boundary spread elements in sort-keys (#11158) (Jakub Rożek)
+* [`a23d197`](https://github.com/eslint/eslint/commit/a23d1975d48841eafdead1a1357e2af842f688bc) New: add allowSingleLineBlocks opt. to padded-blocks rule (fixes #7145) (#11243) (richie3366)
+* [`e25e7aa`](https://github.com/eslint/eslint/commit/e25e7aa3ea1e8c9b3cd3242acda6d4a5572c2c6a) Fix: comma-spacing ignore comma before closing paren (fixes #11295) (#11374) (Pig Fang)
+* [`a1f7c44`](https://github.com/eslint/eslint/commit/a1f7c44ea9efbd9393889c1cc91b74260e0a8e02) Docs: fix space-before-blocks correct code for "classes": "never" (#11391) (PoziWorld)
+* [`14f58a2`](https://github.com/eslint/eslint/commit/14f58a2bec4d6aade0de22771c378b86b1e51959) Docs: fix grammar in object-curly-spacing docs (#11389) (PoziWorld)
+* [`d3e9a27`](https://github.com/eslint/eslint/commit/d3e9a27bbba30008a610df59e82b7192f0ecc3a3) Docs: fix grammar in “those who says” (#11390) (PoziWorld)
+* [`ea8e804`](https://github.com/eslint/eslint/commit/ea8e8045ba0e6c1e1015104346af962f3e16fd81) Docs: Add note about support for object spread (fixes #11136) (#11395) (Steven Thomas)
+* [`95aa3fd`](https://github.com/eslint/eslint/commit/95aa3fdb392d265e6c3d813d54076458e88e7ad8) Docs: Update README team and sponsors (ESLint Jenkins)
+* [`51c4972`](https://github.com/eslint/eslint/commit/51c497298a15ad296a2b1f8fc397df687976b836) Update: Behavior of --init (fixes #11105) (#11332) (Nicholas C. Zakas)
+* [`ad7a380`](https://github.com/eslint/eslint/commit/ad7a38097c32a91e5a831ef1bc8933601532576c) Docs: Update README team and sponsors (ESLint Jenkins)
+* [`550de1e`](https://github.com/eslint/eslint/commit/550de1e611a1e9af873bcb18d74cf2056e8d2e1b) Update: use `default` keyword in JSON schema (fixes #9929) (#11288) (Pig Fang)
+* [`983c520`](https://github.com/eslint/eslint/commit/983c5201210d7a4ffab0b3d05ab9919c0754e5ca) Update: Use 'readonly' and 'writable' for globals (fixes #11359) (#11384) (Nicholas C. Zakas)
+* [`f1d3a7e`](https://github.com/eslint/eslint/commit/f1d3a7ee7c82365989e219b1dae379f08f6dd526) Upgrade: some deps (fixes #11372) (#11373) (薛定谔的猫)
+* [`3e0c417`](https://github.com/eslint/eslint/commit/3e0c4176eff085498b813f8ba1732d7ed6ee44f8) Docs: Fix grammar in “there’s nothing prevent you” (#11385) (PoziWorld)
+* [`de988bc`](https://github.com/eslint/eslint/commit/de988bc909b491366ad0cd9bc83f4d6de42d041a) Docs: Fix grammar: Spacing improve -> Spacing improves (#11386) (PoziWorld)
+* [`1309dfd`](https://github.com/eslint/eslint/commit/1309dfdebb5595460b79dcac20df6a1f109e7566) Revert "Build: fix test failure on Node 11 (#11100)" (#11375) (薛定谔的猫)
+* [`1e56897`](https://github.com/eslint/eslint/commit/1e56897db3e254e0aef6d2fe3274157fc379c79e) Docs: “the function actually use”: use -> uses (#11380) (PoziWorld)
+* [`5a71bc9`](https://github.com/eslint/eslint/commit/5a71bc95a7e961b1b1b77022645e0bd9cdd08dc0) Docs: Update README team and sponsors (ESLint Jenkins)
+* [`82a58ce`](https://github.com/eslint/eslint/commit/82a58ce26b282fd80335b3ac4fc88f21266c3ba1) Docs: Update README team and sponsors (ESLint Jenkins)
+* [`546d355`](https://github.com/eslint/eslint/commit/546d355ace65631e27de859baea3ffcc50e0ad2c) Docs: Update README with latest sponsors/team data (#11378) (Nicholas C. Zakas)
+* [`c0df9fe`](https://github.com/eslint/eslint/commit/c0df9febb7c7e045ababc10b88dbcbb3f28c724c) Docs: `...` is not an operator (#11232) (Felix Kling)
+* [`7ecfdef`](https://github.com/eslint/eslint/commit/7ecfdefaeadb772f8b96ffe37c4a2c97fde0da16) Docs: update typescript parser (refs #11368) (#11369) (薛定谔的猫)
+* [`3c90dd7`](https://github.com/eslint/eslint/commit/3c90dd7e25cf97833deddb11cfbc107a5663ac08) Update: remove prefer-spread autofix (fixes #11330) (#11365) (薛定谔的猫)
+* [`5eb3121`](https://github.com/eslint/eslint/commit/5eb3121b82c1837da0c3021b7d9384bb30832e36) Update: add fixer for `prefer-destructuring` (fixes #11151) (#11301) (golopot)
+* [`173eb38`](https://github.com/eslint/eslint/commit/173eb38cdb3e4673cba947521f27158828186d77) Docs: Clarify ecmaVersion doesn't imply globals (refs #9812) (#11364) (Keith Maxwell)
+* [`84ce72f`](https://github.com/eslint/eslint/commit/84ce72fdeba082b7b132e4ac6b714fb1a93831b7) Fix: Remove extraneous linefeeds in `one-var` fixer (fixes #10741) (#10955) (st-sloth)
+* [`389362a`](https://github.com/eslint/eslint/commit/389362a06ac6601512b872d3e843c7371f2a1bcc) Docs: clarify motivation for no-prototype-builtins (#11356) (Teddy Katz)
+* [`533d240`](https://github.com/eslint/eslint/commit/533d240b0811f663494cb213b06cc9e51e1ff2d0) Update: no-shadow-restricted-names lets unassigned vars shadow undefined (#11341) (Teddy Katz)
+* [`d0e823a`](https://github.com/eslint/eslint/commit/d0e823aef196a6564c87a78b72c1ef980ce67af9) Update: Make --init run js config files through linter (fixes #9947) (#11337) (Brian Kurek)
+* [`92fc2f4`](https://github.com/eslint/eslint/commit/92fc2f4f3faf8aeaae8a8e71db0de405404fb6c3) Fix: CircularJSON dependency warning (fixes #11052) (#11314) (Terry)
+* [`4dd19a3`](https://github.com/eslint/eslint/commit/4dd19a3c4c037adc860a65e96f2ba3eeccace1de) Docs: mention 'prefer-spread' in docs of 'no-useless-call' (#11348) (Klaus Meinhardt)
+* [`4fd83d5`](https://github.com/eslint/eslint/commit/4fd83d5ec47a6a7b81cd8801c3bd63d27ea1c7c4) Docs: fix a misleading example in one-var (#11350) (薛定谔的猫)
+* [`9441ce7`](https://github.com/eslint/eslint/commit/9441ce77b7228f2c4562e158a10905afe11f31f2) Chore: update incorrect tests to fix build failing (#11354) (薛定谔的猫)
+
+v5.13.0 - February 1, 2019
+
+* [`91c8884`](https://github.com/eslint/eslint/commit/91c8884971f5e57f5f7490d8daf92c4a9a489836) Chore: use local function to append "s" instead of a package (#11293) (Timo Tijhof)
+* [`b5143bf`](https://github.com/eslint/eslint/commit/b5143bfc09e53d8da8f63421ade093b7593f4f51) Update: for-direction detection false positives/negatives (#11254) (Ruben Bridgewater)
+* [`9005e63`](https://github.com/eslint/eslint/commit/9005e632d13476880c55f7e3c8a6e450762a5171) Chore: increase camelcase test coverage (#11299) (Redmond Tran)
+* [`5b14ad1`](https://github.com/eslint/eslint/commit/5b14ad1003c7df9a37621dea55c6d6d0484adc05) Fix: false positive in no-constant-condition (fixes #11306) (#11308) (Pig Fang)
+* [`6567c4f`](https://github.com/eslint/eslint/commit/6567c4f6665df85c3347388b29d8193cc8208d63) Fix: only remove arrow before body in object-shorthand (fixes #11305) (#11307) (Pig Fang)
+* [`fa2f370`](https://github.com/eslint/eslint/commit/fa2f370affa4814dbdda278f9859d0172d4b7aa2) Docs: update rule configuration values in examples (#11323) (Kai Cataldo)
+* [`0a3c3ff`](https://github.com/eslint/eslint/commit/0a3c3ff1d91e8f39943efc4a7d2bf6927d68d37e) New: Allow globals to be disabled/configured with strings (fixes #9940) (#11338) (Teddy Katz)
+* [`dccee63`](https://github.com/eslint/eslint/commit/dccee63cf41234180c71bf0fe01b165c9078fc69) Chore: avoid hard-coding the list of core rules in eslint:recommended (#11336) (Teddy Katz)
+* [`c1fd6f5`](https://github.com/eslint/eslint/commit/c1fd6f54d92efe615bcae529006221e122dbe9e6) Chore: remove undocumented `Linter#rules` property (refs #9161) (#11335) (Teddy Katz)
+* [`36e3356`](https://github.com/eslint/eslint/commit/36e335681d61cbe3c83b653b7cc5f95730f1d86e) Chore: remove dead code for loading rules (#11334) (Teddy Katz)
+* [`c464e27`](https://github.com/eslint/eslint/commit/c464e2744ec76e7e9c6c5af0f6162c92187f1ece) Docs: Rename `result` -> `foo` (#11210) (Alexis Tyler)
+
+v5.12.1 - January 18, 2019
+
+* [`eb5c401`](https://github.com/eslint/eslint/commit/eb5c4014f16be1c2003ed46ce9560d0d8a567d0f) Chore: use meta.messages in some rules (2/4) (refs #9870) (#10773) (薛定谔的猫)
+* [`aa56247`](https://github.com/eslint/eslint/commit/aa56247746a0095996a41dd03bdbbf659f0f93b6) Fix: avoid loading core rules dynamically from FS in Linter (#11278) (Peter Metz)
+* [`04450bb`](https://github.com/eslint/eslint/commit/04450bb7ed20f2412102538b238119d9764b4dc9) Docs: clarify process for adding committers (#11272) (Kai Cataldo)
+* [`3ffcf26`](https://github.com/eslint/eslint/commit/3ffcf26c1c83efe7d7cf2d87f1063695ae653709) Docs: add @g-plane as committer (#11277) (Kai Cataldo)
+* [`c403445`](https://github.com/eslint/eslint/commit/c40344566eff2e77a6ae2b2d2dbdbd4ad3e76b67) Fix: warn constant on RHS of || in no-constant-condition (fixes #11181) (#11253) (Merlin Mason)
+* [`9194f45`](https://github.com/eslint/eslint/commit/9194f45ac7d521119a53773bf02b81670bad526e) Fix: Manage severity of 1 with TAP reporter (fixes #11110) (#11221) (Gabriel Cousin)
+* [`000f495`](https://github.com/eslint/eslint/commit/000f4952ae6a4311fbbc3ed36c481235fcb0b64b) Docs: fix example for sort-imports ignoreDeclarationSort (#11242) (Remco Haszing)
+* [`7c0bf2c`](https://github.com/eslint/eslint/commit/7c0bf2ca92d83125a1fa000c9c4250bae6b4fc21) Docs: Add `npx` usage to Getting Started guide (#11249) (eyal0803)
+* [`da9174e`](https://github.com/eslint/eslint/commit/da9174e0798c1d785ddabb3ae405860fc5b89311) Docs: fixes typo peerDepencies (#11252) (Christian Kühl)
+* [`9c31625`](https://github.com/eslint/eslint/commit/9c31625f19176664ef76dcf088ce50703c41c324) Docs: Improve custom formatter docs (#11258) (Nicholas C. Zakas)
+
+v5.12.0 - January 4, 2019
+
+* [`0d91e7d`](https://github.com/eslint/eslint/commit/0d91e7d28e5eba79a6032165cdef5d4549d26462) Update: Add sort-imports ignoreDeclarationSort (fixes #11019) (#11040) (Remco Haszing)
+* [`f92d6f0`](https://github.com/eslint/eslint/commit/f92d6f05c4dcd4a3a0616871e10b31edae9dfad5) Build: Add karma-chrome-launcher support (#11027) (薛定谔的猫)
+* [`166853d`](https://github.com/eslint/eslint/commit/166853d9c59db493f0b1bb68a67ad868662a4205) Upgrade: eslint-plugin-eslint-plugin@2.0.1 (#11220) (薛定谔的猫)
+* [`bfff77a`](https://github.com/eslint/eslint/commit/bfff77ad4eaa02e2e62481c986634df38d5db6e5) Fix: no-param-reassign parameter in ternary operator (fixes #11236) (#11239) (周昊宇)
+* [`258b654`](https://github.com/eslint/eslint/commit/258b6541f61dc3a9ae64e200680766a11c3dd316) Upgrade: require-uncached renamed to import-fresh (#11066) (薛定谔的猫)
+
+v5.11.1 - December 26, 2018
+
+* [`de79f10`](https://github.com/eslint/eslint/commit/de79f1026b7035f0296d7876f1db64f225cca1b8) Fix: handle optional catch bindings in no-useless-catch (#11205) (Colin Ihrig)
+
+v5.11.0 - December 22, 2018
+
+* [`b4395f6`](https://github.com/eslint/eslint/commit/b4395f671442a7e0be956382c24cce38025a6df6) New: add option `first` for VariableDeclarator in indent (fixes #8976) (#11193) (Pig Fang)
+* [`2b5a602`](https://github.com/eslint/eslint/commit/2b5a60284670a3ab1281b206941ed38faf2ea10c) New: no-useless-catch rule (fixes #11174) (#11198) (Alexander Grasley)
+* [`06b3b5b`](https://github.com/eslint/eslint/commit/06b3b5bfcf0429c5078d4f4af3c03bb777e4f022) Fix: Account for comments in implicit-arrow-linebreak (#10545) (Mark de Dios)
+* [`4242314`](https://github.com/eslint/eslint/commit/4242314215a6f35e432860433906f47af1a29724) Update: handle computed properties in camelcase (fixes #11084) (#11113) (Bence Dányi)
+* [`1009304`](https://github.com/eslint/eslint/commit/100930493d9ab802a94dac5c761515b12241ddd2) Docs: add a note for no-unused-expressions (fixes #11169) (#11192) (Pig Fang)
+* [`88f99d3`](https://github.com/eslint/eslint/commit/88f99d31b88a4cde4563bc4a6f4c41f0cc557885) Docs: clarify how to use configs in plugins (#11199) (Kai Cataldo)
+* [`bcf558b`](https://github.com/eslint/eslint/commit/bcf558b2f7036f487af2bdb2b2d34b6cdf7fc174) Docs: Clarify the no-unused-vars docs (#11195) (Jed Fox)
+* [`a470eb7`](https://github.com/eslint/eslint/commit/a470eb73d52fae0f0bc48de5a487e23cf78fcfa9) Docs: Fix no-irregular-whitespace description (#11196) (Jed Fox)
+* [`8abc8af`](https://github.com/eslint/eslint/commit/8abc8afe71691b747cbd1819a13d896e8aa5b92a) Docs: Remove a misleading example (#11204) (Bogdan Gradinariu)
+* [`733d936`](https://github.com/eslint/eslint/commit/733d93618a99758a05453ab94505a9f1330950e0) Docs: link to JSDoc EOL blogpost in valid-jsdoc and require-jsdoc (#11191) (Nathan Diddle)
+* [`d5eb108`](https://github.com/eslint/eslint/commit/d5eb108e17f676d0e4fcddeb1211b4bdfac760c1) Docs: Ensure `triage` label is added to new issues (#11182) (Teddy Katz)
+* [`617a287`](https://github.com/eslint/eslint/commit/617a2874ed085bca36ca289aac55e3b7f7ce937e) Docs: add missing deprecation notices for jsdoc rules (#11171) (Teddy Katz)
+
+v5.10.0 - December 8, 2018
+
+* [`4b0f517`](https://github.com/eslint/eslint/commit/4b0f517cd317e5f1b99a1e8a0392332bd8a2e231) Upgrade: single- and multiline const, let, var statements (fixes #10721) (#10919) (Tom Panier)
+* [`9666aba`](https://github.com/eslint/eslint/commit/9666abaf46c841fba7b5d4e53c6998cd25b9bc33) Update: space-infix-ops reports violating operator (#10934) (Bence Dányi)
+* [`c14f717`](https://github.com/eslint/eslint/commit/c14f717f4c32860766185da47f64f8eb0c2d2998) Fix: Update all-files-ignored.txt message to be less confusing (#11075) (z.ky)
+* [`9f3573d`](https://github.com/eslint/eslint/commit/9f3573dda3dc35bc220e945686cc835eaad0ac2c) Docs: Clarify the CLIEngine options (#10995) (Ed Morley)
+* [`dd7b0cb`](https://github.com/eslint/eslint/commit/dd7b0cb019d94964930d30fec36f7b22ef072822) Chore: refactor template literal feature detection in 'quotes' rule (#11125) (Bryan)
+* [`3bf0332`](https://github.com/eslint/eslint/commit/3bf0332508b921cb660c2e8a1ab7ddf46a2013b6) Fix: fix the fixer of lone comma with comments (fixes #10632) (#11154) (Pig Fang)
+* [`f850726`](https://github.com/eslint/eslint/commit/f8507260c2091d18488fde20e466639d1a7f913c) Upgrade: Espree v5.0.0 (#11161) (Kai Cataldo)
+* [`4490d7a`](https://github.com/eslint/eslint/commit/4490d7af529d4ecc18b6874f1d838869656da58a) Update: deprecate valid-jsdoc and require-jsdoc (#11145) (Teddy Katz)
+* [`60dfb6c`](https://github.com/eslint/eslint/commit/60dfb6c623dfe829e5350dabe507e7850c1beacf) Docs: Update issue templates (#11163) (Teddy Katz)
+* [`958987a`](https://github.com/eslint/eslint/commit/958987aa6f5630faa051d8f822f0200faff41924) Docs: Fix link to rule no-useless-rename (#11165) (Brian)
+* [`62fd2b9`](https://github.com/eslint/eslint/commit/62fd2b93448966331db3eb2dfbe4e1273eb032b2) Update: Amend keyword-spacing to validate `default` keywords (#11097) (Bin Ury)
+* [`4bcdfd0`](https://github.com/eslint/eslint/commit/4bcdfd07d514fd7a6b8672d33703d0b6c606f214) Chore: fix some jsdoc-related issues (#11148) (薛定谔的猫)
+* [`c6471ed`](https://github.com/eslint/eslint/commit/c6471ed6feb3e71e239379a7042deb9b8ab3cf39) Docs: fix typo in issue-templates/new-rule (#11149) (薛定谔的猫)
+* [`5d451c5`](https://github.com/eslint/eslint/commit/5d451c510c15abc41b5bb14b4955a7db96aeb100) Chore: Remove dependency on is-resolvable (#11128) (Matt Grande)
+* [`bc50dc7`](https://github.com/eslint/eslint/commit/bc50dc7737496712463220e662946eb516e36ae1) Chore: Move ignored-paths, report-translator to lib/util (refs #10559) (#11116) (Kevin Partington)
+* [`c0a80d0`](https://github.com/eslint/eslint/commit/c0a80d0ca3c80ca27694fc8aedcf84b72bfd9465) Fix: Do not strip underscores in camelcase allow (fixes #11000) (#11001) (Luke Page)
+* [`a675c89`](https://github.com/eslint/eslint/commit/a675c89573836adaf108a932696b061946abf1e6) Docs: (Grammar) "the setup" -> "to set up" (#11117) (MarvinJWendt)
+* [`54dfa60`](https://github.com/eslint/eslint/commit/54dfa602f62e6d183d57d60d5fdd417a263f479e) Fix: Typo in function comment parameters (#11111) (Pierre Maoui)
+* [`cf296bd`](https://github.com/eslint/eslint/commit/cf296bdabf0dbbfbae491419e38aee4ecd63ec71) Docs: switch incorrect example with correct one (#11107) (Romain Le Quellec)
+* [`d2d500c`](https://github.com/eslint/eslint/commit/d2d500ca5dff307189b9d4161a5e7b8282557dd6) Docs: no-console#When-Not-To-Use provides incorrect rule snippet (#11093) (Lawrence Chou)
+* [`f394a1d`](https://github.com/eslint/eslint/commit/f394a1dfc5eb4874f899b7bc19685896893af7b8) Chore: Extract config comment parsing (#11091) (Nicholas C. Zakas)
+* [`709190f`](https://github.com/eslint/eslint/commit/709190f8c5d7559b1e0915e25af60b50a94ba1c7) Build: fix test failure on Node 11 (#11100) (Teddy Katz)
+* [`3025cdd`](https://github.com/eslint/eslint/commit/3025cddf0a2ea8461ce05575098a5714fcf6278d) Update: don't indent leading semi in line after import (fixes #11082) (#11085) (Pig Fang)
+* [`e18c827`](https://github.com/eslint/eslint/commit/e18c827cc12cb1c52e5d0aa993f572cb56238704) Chore: refactor linter#parseBooleanConfig to improve readability (#11074) (薛定谔的猫)
+* [`5da378a`](https://github.com/eslint/eslint/commit/5da378ac922d732ca1765f08edee0face1b1b924) Upgrade: eslint-release@1.2.0 (#11073) (Teddy Katz)
+
+v5.9.0 - November 9, 2018
+
+* 9436712 Fix: Unused recursive function expressions (fixes #10982) (#11032) (Sergei Startsev)
+* c832cd5 Update: add `ignoreDestructuring` option to `id-match` rule (#10554) (一名宅。)
+* 54687a8 Fix: prefer-const autofix multiline assignment (fixes #10582) (#10987) (Scott Stern)
+* ae2b61d Update: "off" options for "space-before-blocks" (refs #10906) (#10907) (Sophie Kirschner)
+* 57f357e Docs: Update require-await docs with exception (fixes #9540) (#11063) (Nicholas C. Zakas)
+* 79a2797 Update: no-restricted-imports to check re-export (fixes #9678) (#11064) (Nicholas C. Zakas)
+* 3dd7493 Docs: update ecmaVersion to include 2019/10 values (#11059) (Vse Mozhet Byt)
+* 607635d Upgrade: eslint-plugin-node & eslint-plugin (#11067) (薛定谔的猫)
+* dcc6233 Fix: Ignore empty statements in no-unreachable (fixes #9081) (#11058) (Nicholas C. Zakas)
+* 7ad86de New: Add --fix-type option to CLI (fixes #10855) (#10912) (Nicholas C. Zakas)
+* 0800b20 Chore: fix invalid super() calls in tests (#11054) (Teddy Katz)
+* 4fe3287 Docs: Cross-reference two rules (refs #11041) (#11042) (Paul Melnikow)
+* 5525eb6 Fix: rule deprecation warnings did not consider all rules (#11044) (Teddy Katz)
+* 44d37ca Docs: Update steps for adding new TSC member (#11038) (Nicholas C. Zakas)
+* 802e926 Update: Warn for deprecation in Node output (fixes #7443) (#10953) (Colin Chang)
+
+v5.8.0 - October 26, 2018
+
+* 9152417 Fix: deprecation warning in RuleTester using Node v11 (#11009) (Teddy Katz)
+* e349a03 Docs: Update issue templates to ask for PRs (#11012) (Nicholas C. Zakas)
+* 3d88b38 Chore: avoid using legacy report API in no-irregular-whitespace (#11013) (Teddy Katz)
+* 5a31a92 Build: compile espree's deps to ES5 when generating site (fixes #11014) (#11015) (Teddy Katz)
+* 3943635 Update: Create Linter.version API (fixes #9271) (#11010) (Nicholas C. Zakas)
+* a940cf4 Docs: Mention version for config glob patterns (fixes #8793) (Nicholas C. Zakas)
+* 6e1c530 Build: run tests on Node 11 (#11008) (Teddy Katz)
+* 58ff359 Docs: add instructions for npm 2FA (refs #10631) (#10992) (Teddy Katz)
+* 2f87bb3 Upgrade: eslint-release@1.0.0 (refs #10631) (#10991) (Teddy Katz)
+* 57ef0fd Fix: prefer-const when using destructuring assign (fixes #8308) (#10924) (Nicholas C. Zakas)
+* 577cbf1 Chore: Add typescript-specific edge case tests to space-infix-ops (#10986) (Bence Dányi)
+* d45b184 Chore: Using deconstruction assignment for shelljs (#10974) (ZYSzys)
+
+v5.7.0 - October 12, 2018
+
+* 6cb63fd Update: Add iife to padding-line-between-statements (fixes #10853) (#10916) (Kevin Partington)
+* 5fd1bda Update: no-tabs allowIndentationTabs option (fixes #10256) (#10925) (Kevin Partington)
+* d12be69 Fix: no-extra-bind No autofix if arg may have side effect (fixes #10846) (#10918) (Kevin Partington)
+* 847372f Fix: no-unused-vars false pos. with markVariableAsUsed (fixes #10952) (#10954) (Roy Sutton)
+* 4132de7 Chore: Simplify space-infix-ops (#10935) (Bence Dányi)
+* 543edfa Fix: Fix error with one-var (fixes #10937) (#10938) (Justin Krup)
+* 95c4cb1 Docs: Fix typo for no-unsafe-finally (#10945) (Sergio Santoro)
+* 5fe0e1a Fix: no-invalid-regexp disallows \ at end of pattern (fixes #10861) (#10920) (Toru Nagashima)
+* f85547a Docs: Add 'When Not To Use' section to space-infix-ops (#10931) (Bence Dányi)
+* 3dccac4 Docs: Update working-with-parsers link (#10929) (Azeem Bande-Ali)
+* 557a8bb Docs: Remove old note about caching, add a new one (fixes #10739) (#10913) (Zac)
+* fe8111a Chore: Add more test cases to space-infix-ops (#10936) (Bence Dányi)
+* 066f7e0 Update: camelcase rule ignoreList added (#10783) (Julien Martin)
+* 70bde69 Upgrade: table to version 5 (#10903) (Rouven Weßling)
+* 2e52bca Chore: Update issue templates (#10900) (Nicholas C. Zakas)
+
+v5.6.1 - September 28, 2018
+
+* 9b26bdb Fix: avoid exponential require-atomic-updates traversal (fixes #10893) (#10894) (Teddy Katz)
+* 9432b10 Fix: make separateRequires work in consecutive mode (fixes #10784) (#10886) (Pig Fang)
+* e51868d Upgrade: debug@4 (fixes #10854) (#10887) (薛定谔的猫)
+* d3f3994 Docs: add information about reporting security issues (#10889) (Teddy Katz)
+* cc458f4 Build: fix failing tests on master (#10890) (Teddy Katz)
+* a6ebfd3 Docs: clarify defaultAssignment option, fix no-unneeded-ternary examples (#10874) (CoffeeTableEspresso)
+* 9d52541 Fix: Remove duplicate error message on crash (fixes #8964) (#10865) (Nicholas C. Zakas)
+* 4eb9a49 Docs: Update quotes.md (#10862) (The Jared Wilcurt)
+* 9159e9b Docs: Update complexity.md (#10867) (Szymon Przybylski)
+* 14f4e46 Docs: Use Linter instead of linter in Nodejs API page (#10864) (Nicholas C. Zakas)
+* b3e3cb1 Chore: Update debug log name to match filename (#10863) (Nicholas C. Zakas)
+
+v5.6.0 - September 14, 2018
+
+* c5b688e Update: Added generators option to func-names (fixes #9511) (#10697) (Oscar Barrett)
+* 7da36d5 Fix: respect generator function expressions in no-constant-condition (#10827) (Julian Rosse)
+* 0a65844 Chore: quote enable avoidEscape option in eslint-config-eslint (#10626) (薛定谔的猫)
+* 32f41bd Chore: Add configuration wrapper markdown for the bug report template (#10669) (Iulian Onofrei)
+
+v5.5.0 - August 31, 2018
+
+* 6e110e6 Fix: camelcase duplicate warning bug (fixes #10801) (#10802) (Julian Rosse)
+* 5103ee7 Docs: Add Brackets integration (#10813) (Jan Pilzer)
+* b61d2cd Update: max-params to only highlight function header (#10815) (Ian Obermiller)
+* 2b2f11d Upgrade: babel-code-frame to version 7 (#10808) (Rouven Weßling)
+* 2824d43 Docs: fix comment placement in a code example (#10799) (Vse Mozhet Byt)
+* 10690b7 Upgrade: devdeps and deps to latest (#10622) (薛定谔的猫)
+* 80c8598 Docs: gitignore syntax updates (fixes #8139) (#10776) (Gustavo Santana)
+* cb946af Chore: use meta.messages in some rules (1/4) (#10764) (薛定谔的猫)
+
+v5.4.0 - August 17, 2018
+
+* a70909f Docs: Add jscs-dev.github.io links (#10771) (Gustavo Santana)
+* 034690f Fix: no-invalid-meta crashes for non Object values (fixes #10750) (#10753) (Sandeep Kumar Ranka)
+* 11a462d Docs: Broken jscs.info URLs (fixes #10732) (#10770) (Gustavo Santana)
+* 985567d Chore: rm unused dep string.prototype.matchall (#10756) (薛定谔的猫)
+* f3d8454 Update: Improve no-extra-parens error message (#10748) (Timo Tijhof)
+* 562a03f Fix: consistent-docs-url crashes if meta.docs is empty (fixes #10722) (#10749) (Sandeep Kumar Ranka)
+* 6492233 Chore: enable no-prototype-builtins in codebase (fixes #10660) (#10664) (薛定谔的猫)
+* 137140f Chore: use eslintrc overrides (#10677) (薛定谔的猫)
+
+v5.3.0 - August 3, 2018
+
+* dd6cb19 Docs: Updated no-return-await Rule Documentation (fixes #9695) (#10699) (Marla Foreman)
+* 6009239 Chore: rename utils for consistency (#10727) (薛定谔的猫)
+* 6eb972c New: require-unicode-regexp rule (fixes #9961) (#10698) (Toru Nagashima)
+* 5c5d64d Fix: ignored-paths for Windows path (fixes #10687) (#10691) (Toru Nagashima)
+* 5f6a765 Build: ensure URL fragments remain in documentation links (fixes #10717) (#10720) (Teddy Katz)
+* 863aa78 Docs: add another example for when not to use no-await-in-loop (#10714) (Valeri Karpov)
+* 6e78b7d Docs: remove links to terminated jscs.info domain (#10706) (Piotr Kuczynski)
+* d56c39d Fix: ESLint cache no longer stops autofix (fixes #10679) (#10694) (Kevin Partington)
+* 2cc3240 New: add no-misleading-character-class (fixes #10049) (#10511) (Toru Nagashima)
+* 877f4b8 Fix: The "../.." folder is always ignored (fixes #10675) (#10682) (Sridhar)
+* 5984820 Chore: Move lib/file-finder.js to lib/util/ (refs #10559) (#10695) (Kevin Partington)
+* e37a593 Update: Fix incorrect default value for position (#10670) (Iulian Onofrei)
+* 8084bfc Docs: change when not to use object spread (#10621) (Benny Powers)
+* 7f496e2 Chore: Update require path for ast-utils (#10693) (Kevin Partington)
+* 648a33a Chore: reorganize code structure of utilities (refs #10599) (#10680) (薛定谔的猫)
+* f026fe1 Update: Fix 'function' in padding-line-between-statements (fixes #10487) (#10676) (Kevin Partington)
+* c2bb8bb Docs: Remove superfluous object option sample code (#10652) (Iulian Onofrei)
+* d34a13b Docs: add subheader in configuring/configuring-rules (#10686) (薛定谔的猫)
+* d8aea28 Chore: rm unnecessary plugin in eslint-config-eslint (#10685) (薛定谔的猫)
+* 9e76be7 Update: indent comments w/ nearby code if no blank lines (fixes #9733) (#10640) (Kevin Partington)
+* 9e93d46 New: add no-async-promise-executor rule (fixes #10217) (#10661) (Teddy Katz)
+* 5a2538c New: require-atomic-updates rule (fixes #10405) (#10655) (Teddy Katz)
+* 8b83d2b Fix: always resolve default ignore patterns from CWD (fixes #9227) (#10638) (Teddy Katz)
+* acb6658 Fix: ESLint crash with prefer-object-spread (fixes #10646) (#10649) (薛定谔的猫)
+* 99fb7d3 Docs: fix misleading no-prototype-builtins description (#10666) (薛定谔的猫)
+* 005b849 Docs: fix outdated description of `baseConfig` option (#10657) (Teddy Katz)
+* 15a77c4 Docs: fix broken links (fixes eslint/eslint-jp#6) (#10658) (Toru Nagashima)
+* 87cd344 Docs: Make marking a default option consistent with other rules (#10650) (Iulian Onofrei)
+* 0cb5e3e Chore: Replace some function application with spread operators (#10645) (Kevin Partington)
+* b6daf0e Docs: Remove superfluous section from no-unsafe-negation (#10648) (Iulian Onofrei)
+* e1a3cac Chore: rm deprecated experimentalObjectRestSpread option in tests (#10647) (薛定谔的猫)
+
+v5.2.0 - July 20, 2018
+
+* 81283d0 Update: Cache files that failed linting (fixes #9948) (#10571) (Kevin Partington)
+* 13cc63e Upgrade: ignore@4.0.2 (#10619) (Rouven Weßling)
+* ac77a80 Chore: Fixing a call to Object.assign.apply in Linter (#10629) (Kevin Partington)
+* 761f802 Upgrade: eslint-plugin-node to 7.0.1 (#10612) (Toru Nagashima)
+* c517b2a Build: fix npm run perf failing(fixes #10577) (#10607) (薛定谔的猫)
+* e596939 Chore: fix redundant equality check (#10617) (Toru Nagashima)
+* 9f93d5f Docs: Updated Working with Custom Formatters (fixes #9950) (#10592) (Marla Foreman)
+* 9aaf195 Chore: Extract lint result cache logic (refs #9948) (#10562) (Kevin Partington)
+* 80b296e Build: package.json update for eslint-config-eslint release (ESLint Jenkins)
+* e4e7ff2 Chore: fix error message in eslint-config-eslint (#10588) (薛定谔的猫)
+* 1e88170 Chore: Move lib/logging and lib/timing to lib/util/ (refs #10559) (#10579) (Kevin Partington)
+* 64dfa21 Build: Fix prerelease logic in blog post generation (fixes #10578) (#10581) (Kevin Partington)
+* 0faf633 Chore: Simplify helper method in Linter tests (#10580) (Kevin Partington)
+
+v5.1.0 - July 8, 2018
+
+* 7328f99 Build: package.json update for eslint-config-eslint release (ESLint Jenkins)
+* b161f6b Build: Include prerelease install info in release blog post (#10463) (Kevin Partington)
+* b2df738 Fix: prefer-object-spread duplicated comma (fixes #10512, fixes #10532) (#10524) (Toru Nagashima)
+* d8c3a25 Fix: wrap-regex doesn't work in some expression(fixes #10573) (#10576) (薛定谔的猫)
+* 114f42e Docs: Clarify option defaults in max-lines-per-function docs (#10569) (Chris Harwood)
+* 63f36f7 Fix: sort-keys in an object that contains spread (fixes #10261) (#10495) (katerberg)
+* 601a5c4 Fix: Prefer-const rule crashing on array destructuring (fixes #10520) (#10527) (Michael Mason)
+* 143890a Update: Adjust grammar of error/warnings fixable (#10546) (Matt Mischuk)
+* 8ee39c5 Chore: small refactor config-validator (#10565) (薛定谔的猫)
+* 100f1be Docs: add note about release issues to readme (#10572) (Teddy Katz)
+* 02efeac Fix: do not fail on nested unknown operators (#10561) (Rubén Norte)
+* 92b19ca Chore: use eslintrc overrides(dogfooding) (#10566) (薛定谔的猫)
+* 076a6b6 Docs: add actionable fix to no-irregular-whitespace (#10558) (Matteo Collina)
+* de663ec Docs: Only successfully linted files are cached (fixes #9802) (#10557) (Kevin Partington)
+* f0e22fc Upgrade: globals@11.7.0 (#10497) (薛定谔的猫)
+* 8a2ff2c Docs:  adding a section about disable rules for some files (#10536) (Wellington Soares)
+* f22a3f8 Docs: fix a word in no-implied-eval (#10539) (Dan Homola)
+* 20d8bbd Docs: add missing paragraph about "custom parsers" (#10547) (Pig Fang)
+* b7addf6 Update: deprecate no-catch-shadow (fixes #10466) (#10526) (Toru Nagashima)
+* e862dc3 Fix: Remove autofixer for no-debugger (fixes #10242) (#10509) (Teddy Katz)
+
+v5.0.1 - June 25, 2018
+
+* 196c102 Fix: valid-jsdoc should allow optional returns for async (fixes #10386) (#10480) (Mark Banner)
+* 4c823bd Docs: Fix max-lines-per-function correct code's max value (#10513) (Rhys Bower)
+
+v5.0.0 - June 22, 2018
+
+* 0feedfd New: Added max-lines-per-function rule (fixes #9842) (#10188) (peteward44)
+* daefbdb Upgrade: eslint-scope and espree to 4.0.0 (refs #10458) (#10500) (Brandon Mills)
+* 077358b Docs: no-process-exit: recommend process.exitCode (#10478) (Andres Kalle)
+* f93d6ff Fix: do not fail on unknown operators from custom parsers (fixes #10475) (#10476) (Rubén Norte)
+* 05343fd Fix: add parens for yield statement (fixes #10432) (#10468) (Pig Fang)
+* d477c5e Fix: check destructuring for "no-shadow-restricted-names" (fixes #10467) (#10470) (Pig Fang)
+* 7a7580b Update: Add considerPropertyDescriptor option to func-name-matching (#9078) (Dieter Luypaert)
+* e0a0418 Fix: crash on optional catch binding (#10429) (Toru Nagashima)
+* de4dba9 Docs: styling team members (#10460) (薛定谔的猫)
+* 5e453a3 Docs: display team members in tables. (#10433) (薛定谔的猫)
+* b1895eb Docs: Restore intentional spelling mistake (#10459) (Wilfred Hughes)
+
+v5.0.0-rc.0 - June 9, 2018
+
+* abf400d Update: Add ignoreDestructing option to camelcase rule (fixes #9807) (#10373) (Andrew Lunny)
+* e2b394d Upgrade: espree and eslint-scope to rc versions (#10457) (Kevin Partington)
+* a370da2 Chore: small opt to improve readability (#10241) (薛定谔的猫)
+* 640bf07 Update: Fixes multiline no-warning-comments rule. (fixes #9884) (#10381) (Scott Stern)
+* 831c39a Build: Adding rc release script to package.json (#10456) (Kevin Partington)
+* dc4075e Update: fix false negative in no-use-before-define (fixes #10227) (#10396) (Toru Nagashima)
+* 3721841 Docs: Add new experimental syntax policy to README (fixes #9804) (#10408) (Kevin Partington)
+* d0aae3c Docs: Create docs landing page (#10453) (Kevin Partington)
+* fe8bec3 Fix: fix writing config file when `source` is `prompt` (#10422) (Pig Fang)
+* 917108d Update: Add requireParamType option to valid-jsdoc (fixes #6753) (#10220) (Tomasz Sterna)
+* 1984c21 Docs: move custom parsers docs into a page (fixes #9919) (#10431) (Pig Fang)
+* 400d4b5 Docs: Add rest and spread operator changes to migration guide (#10416) (Yannick Croissant)
+* e7bdd02 Upgrade: Consume espree@4.0.0-alpha.1 (#10410) (Kevin Partington)
+* 3e9f33a Fix: prevent crashing from JSON parsing error (fixes #10364) (#10376) (Pig Fang)
+* 636457d Fix: parse later ES files in `eslint --init` (fixes #10003) (#10378) (Pig Fang)
+
+v5.0.0-alpha.4 - May 28, 2018
+
+* ce3e62a Docs: remove test coverage badge (#10407) (薛定谔的猫)
+* 240c1a4 Fix: prefer-const object destructuring false positive (fixes #9108) (#10368) (Pig Fang)
+* 93c9a52 Update: config-validator should validate overrides (#10357) (Toru Nagashima)
+* c2e0398 Update: Improves the prefer-object-spread rule by removing extraneous visitors (#10351) (Sharmila Jesupaul)
+* d848949 Update: Support JSXFragment node (fixes #9662) (#9664) (Clement Hoang)
+* f268128 Build: add Node v10 to travis (#10262) (alberto)
+* 9c922ce Update: Add "consistent" option to array-element-newline (fixes #9457) (#10355) (Pig Fang)
+* 65bce3a Fix: ensure --stdin flag works when stdin is piped asynchronously (#10393) (Teddy Katz)
+* b9b23a9 Chore: rm unused argument (#10400) (薛定谔的猫)
+* 8b7a70c Fix: handle one-var with no semicolon (fixes #10330) (#10371) (Malcolm Groves)
+* 465e615 New: prompt users before installing dependencies (#10353) (Pig Fang)
+* e25fc22 Chore: remove assert.doesNotThrow in tests (#10199) (Ruben Bridgewater)
+* fb148aa Fix: allow no tokens after `return` keyword (fixes #10372) (#10379) (Pig Fang)
+* 074bc1c Docs: polish for max-classes-per-file rule (#10377) (Pig Fang)
+* a812845 Fix: allow array spread for prefer-object-spread rule (fixes #10344) (#10347) (Pig Fang)
+* 448fc52 Docs: Update link to Integrations / Build tools / Start (#10354) (Kir Belevich)
+* 4e5e9be Chore: avoid unnecessary filesystem accesses during config search (#10359) (Teddy Katz)
+* 363da01 Chore: avoid code duplication in rule severity checking (#10358) (Teddy Katz)
+
+v5.0.0-alpha.3 - May 11, 2018
+
+* 1a6b399 New: Adds prefer-object-spread rule (refs: #7230) (#9955) (Sharmila Jesupaul)
+* c4109b2 New: add max-classes-per-file rule (#10163) (James Garbutt)
+* 41f0f6e Breaking: report multiline eslint-disable-line directives (fixes #10334) (#10335) (Teddy Katz)
+* 4ccd25a Chore: add eslint-plugin-node to eslint-config-eslint(fixes #10319) (#10320) (薛定谔的猫)
+* 82757b2 Docs: Adding a little guidance to rule documentation (#10301) (Justin)
+* 09dde26 Breaking: new object-curly-newline/no-self-assign default (fixes #10215) (#10337) (Teddy Katz)
+* d65f11d Fix: correct comma fix in spare array (fixes #10273) (#10329) (Malcolm Groves)
+* c343d86 Fix: do not autofix octal escape sequence (fixes #10031) (#10240) (Malcolm Groves)
+* 514013c New: Add `globInputPaths` CLIEngine option (fixes #9972) (#10191) (Pierre Vanduynslager)
+* 02e7b28 Chore: upgrade deps (#10339) (薛定谔的猫)
+* 1397179 Chore: unskip test for scope analysis (#10336) (Teddy Katz)
+* e5b33be Update: Add --fix for one-var rule (refs #9072) (#10040) (Sebastian Malton)
+* 99b842d Chore: upgrade mock-fs@4.5.0 (#10325) (Tim Schaub)
+* fe91859 Chore: Update issue templates with new format (#10309) (Ilya Volodin)
+* 2f30aa5 Docs: add a better vim linting engine (#10292) (Jon Smithers)
+* df2c1fb Docs: improve formatter guide (refs #9550) (#10294) (Dominic Lee)
+* f7330c1 Chore: Add ESLint path to plugin-missing message (#10283) (Kevin Partington)
+* bb6090f Fix: Throw error when --ignore-path not a file (fixes #10076) (#10205) (Malcolm Groves)
+* 1b6b2b2 Build: remove trailing spaces in blogpost template (#10280) (Teddy Katz)
+* a960d69 Docs: remove outdated notes from migration guide (#10279) (Teddy Katz)
+
+v5.0.0-alpha.2 - April 27, 2018
+
+* 510ca8b Docs: make grammatical tweaks in migration guide (#10278) (Teddy Katz)
+* 02e44a5 Breaking: remove TDZ scopes (fixes #10245) (#10270) (Toru Nagashima)
+* c74933b Breaking: remove extra check in getScope (fixes #10246, fixes #10247) (#10252) (Toru Nagashima)
+* 7c2e83a Chore: improve tests and checking for equality (#10182) (Ruben Bridgewater)
+* 8799972 Docs: make template link wording more clear (#10219) (David Luzar)
+* 8b7c6ea Breaking: report fatal error for linting nonexistent files (fixes #7390) (#10143) (Teddy Katz)
+* 9100819 Breaking: fix plugin resolver in extends (fixes #9904) (#10236) (Toru Nagashima)
+* c45f1d0 Breaking: add rules to recommended (fixes #8865) (#10158) (薛定谔的猫)
+* 1d443a0 Fix: valid-jsdoc does not know async function returns (fixes #9881) (#10161) (Rachael Sim)
+* a82cbea Update: re-enable experimentalObjectRestSpread (fixes #9990) (#10230) (Toru Nagashima)
+* f9c7371 Fix: do not autofix object-shorthand with comments (fixes #10038) (#10238) (Malcolm Groves)
+* 4672b56 Docs: Correct wording in the `smart-tabs` docs page (#10277) (Jed Fox)
+* b32d1f4 Chore: upgrade eslump@1.6.2 (#10258) (薛定谔的猫)
+* 7938bf1 Chore: update eslint-fuzzer ecmaVersion to 2018 (#10255) (薛定谔的猫)
+* a2953ec Chore: small opt to improve readability (#10225) (薛定谔的猫)
+* 85a5191 Docs: Update JSCS FAQ (#10221) (alberto)
+* 8e89d5c Docs: Fix typo (#10223) (alberto)
+* c0c331e Docs: Add Prettier to FAQ (#10222) (alberto)
+* 2443627 Docs: add backticks in getter-return (#10218) (薛定谔的猫)
+* 74bb5b5 Docs: Fix misspelling in changelog (#10216) (Kevin Partington)
+
+v5.0.0-alpha.1 - April 13, 2018
+
+* b2a48a9 Breaking: stop using fake `context._linter` property (fixes #10140) (#10209) (Teddy Katz)
+* a039956 Breaking: remove deprecated browser/jest/node globals (fixes #10141) (#10210) (Teddy Katz)
+* 98f1cad Docs: update migration guide with latest changes (#10212) (Teddy Katz)
+* 2e60017 Chore: remove concat-stream dependency (#10173) (Teddy Katz)
+* 7f69f11 Chore:  rearrange init options. (#10131) (薛定谔的猫)
+* f595fd8 Upgrade: upgrade deps (#10184) (alberto)
+* 71167be Docs: fix wrong config in id-length (#10196) (薛定谔的猫)
+* 81629d2 Chore: enable rest/spread rules on ESLint codebase (#10211) (Teddy Katz)
+* 2324570 Breaking: no-unused-vars reports all after-used params (fixes #9909) (#10119) (Kevin Partington)
+* 7765fc4 Upgrade: ajv@^6.0.1, still using json schema draft 04 (#9856) (Kevin Partington)
+* b77846d Breaking: drop supporting Node.js 4 (fixes #10052) (#10074) (薛定谔的猫)
+* cd34d44 Chore: avoid modifying global state when tests fail (#10201) (Teddy Katz)
+* 731da1e Docs: fix code in correct example. (#10195) (薛定谔的猫)
+* 3780915 Docs: fix some small errors in examples (#10194) (薛定谔的猫)
+* 869c9f5 Upgrade: babelify (#10185) (alberto)
+* 218ee57 Fix: report no-case-declarations from declarations (fixes #10048) (#10167) (Carlo Abelli)
+* b7ee1ed Upgrade: upgrade devdeps (#10178) (alberto)
+* db1a582 Chore: Add debug logging for CLI args as they came in (#10174) (Kevin Partington)
+* f3a0291 Upgrade: Update dependencies. (#10168) (alberto)
+* 7d6e052 Upgrade: esquery@^1.0.1 (fixes #8733) (#10170) (Kevin Partington)
+* 1e7252f Docs: Add more related rules for object-curly-spacing (#10175) (Saugat Acharya)
+* e5cf9cc Docs: Reorder README sections (#10172) (alberto)
+* c85578f Chore: Remove `esprima-fb` dependency. (#10171) (alberto)
+* d0dc2e3 Docs: Add Missing Quotes (#10162) (Samarth Verma)
+* 7a63bfa Upgrade: eslint-release to v0.11.1 (#10156) (Teddy Katz)
+* b7a1a7a Build: Gensite creates prerelease dirs if needed (#10154) (Brandon Mills)
+
+v5.0.0-alpha.0 - March 30, 2018
+
+* f4b3af5 Breaking: Upgrade to Espree v4 alpha (refs #9990) (#10152) (Brandon Mills)
+* 3351129 Docs: add v5.0.0 migration guide (fixes #10142) (#10147) (Teddy Katz)
+* f2f98dd Build: make prerelease script publish to GitHub/website (#10151) (Teddy Katz)
+* d440e84 Breaking: support @scope shorthand in plugins (fixes #9903) (#9905) (Toru Nagashima)
+* 462b058 Update: Include debugging information when rule throws error (#9742) (Patrick Hayes)
+* 9a020dc Chore: refactor --no-ignore flag logic (#10146) (Teddy Katz)
+* 4f61a0d Chore: add noopener/noreferrer (薛定谔的猫)
+* 65cc834 Docs: Ensure CLI doc sections match command line help order (#10144) (Kevin Partington)
+* 9c79174 Docs: Update capitalized-comments with missing letters (fixes #10135) (#10134) (jasonfry)
+* 9e66bfb Docs: remove eslint vs jshint from faq (#10108) (alberto)
+* 692e383 Docs: Add modified variable examples for no-loop-func (fixes #9527) (#10098) (Rachael Sim)
+* a9ee9ae Breaking: require rules to provide report messages (fixes #10011) (#10057) (Teddy Katz)
+* 837edc7 Chore: Uncommented test for empty program for no-invalid-meta (#10046) (Kevin Partington)
+* c383bc5 Breaking: Make require('eslint').linter non-enumerable (fixes #9270) (#9692) (Jed Fox)
+* 4eaebe5 Breaking: set `parent` of AST nodes before rules run (fixes #9122) (#10014) (Teddy Katz)
+* 91ece32 Breaking: remove special exception for linting empty files (fixes #9534) (#10013) (Teddy Katz)
+* 27e3f24 Breaking: remove `source` property from linting messages (fixes #7358) (#10012) (Teddy Katz)
+* e4c3b3c Breaking: use an exit code of 2 for fatal config problems (fixes #9384) (#10009) (Teddy Katz)
+* 2a7ecaa Breaking: Use strict equality in RuleTester comparisons (fixes #9417) (#10008) (Teddy Katz)
+* 0bc4a38 Fix: Make rule-tester strictly check messageId. (ref #9890) (#9908) (Jacques Favreau)
+* ea6fb17 Update: Make no-cond-assign work for ternaries (fixes #10091) (#10109) (Aaron Harper)
+
+v4.19.1 - March 21, 2018
+
+* 3ff5d11 Fix: no-invalid-regexp not understand variable for flags (fixes #10112) (#10113) (薛定谔的猫)
+* abc765c Fix: object-curly-newline minProperties w/default export (fixes #10101) (#10103) (Kevin Partington)
+* 6f9e155 Docs: Update ambiguous for...in example for guard-for-in (#10114) (CJ R)
+* 0360cc2 Chore: Adding debug logs on successful plugin loads (#10100) (Kevin Partington)
+* a717c5d Chore: Adding log at beginning of unit tests in Makefile.js (#10102) (Kevin Partington)
+
+v4.19.0 - March 16, 2018
+
+* 55a1593 Update: consecutive option for one-var (fixes #4680) (#9994) (薛定谔的猫)
+* 8d3814e Fix: false positive about ES2018 RegExp enhancements (fixes #9893) (#10062) (Toru Nagashima)
+* 935f4e4 Docs: Clarify default ignoring of node_modules (#10092) (Matijs Brinkhuis)
+* 72ed3db Docs: Wrap `Buffer()` in backticks in `no-buffer-constructor` rule description (#10084) (Stephen Edgar)
+* 3aded2f Docs: Fix lodash typos, make spacing consistent (#10073) (Josh Smith)
+* e33bb64 Chore: enable no-param-reassign on ESLint codebase (#10065) (Teddy Katz)
+* 66a1e9a Docs: fix possible typo (#10060) (Vse Mozhet Byt)
+* 2e68be6 Update: give a node at least the indentation of its parent (fixes #9995) (#10054) (Teddy Katz)
+* 72ca5b3 Update: Correctly indent JSXText with trailing linebreaks (fixes #9878) (#10055) (Teddy Katz)
+* 2a4c838 Docs: Update ECMAScript versions in FAQ (#10047) (alberto)
+
+v4.18.2 - March 2, 2018
+
+* 6b71fd0 Fix: table@4.0.2, because 4.0.3 needs "ajv": "^6.0.1" (#10022) (Mathieu Seiler)
+* 3c697de Chore: fix incorrect comment about linter.verify return value (#10030) (Teddy Katz)
+* 9df8653 Chore: refactor parser-loading out of linter.verify (#10028) (Teddy Katz)
+* f6901d0 Fix: remove catastrophic backtracking vulnerability (fixes #10002) (#10019) (Jamie Davis)
+* e4f52ce Chore: Simplify dataflow in linter.verify (#10020) (Teddy Katz)
+* 33177cd Chore: make library files non-executable (#10021) (Teddy Katz)
+* 558ccba Chore: refactor directive comment processing (#10007) (Teddy Katz)
+* 18e15d9 Chore: avoid useless catch clauses that just rethrow errors (#10010) (Teddy Katz)
+* a1c3759 Chore: refactor populating configs with defaults in linter (#10006) (Teddy Katz)
+* aea07dc Fix: Make max-len ignoreStrings ignore JSXText (fixes #9954) (#9985) (Rachael Sim)
+
+v4.18.1 - February 20, 2018
+
+* f417506 Fix: ensure no-await-in-loop reports the correct node (fixes #9992) (#9993) (Teddy Katz)
+* 3e99363 Docs: Fixed typo in key-spacing rule doc (#9987) (Jaid)
+* 7c2cd70 Docs: deprecate experimentalObjectRestSpread (#9986) (Toru Nagashima)
+
+v4.18.0 - February 16, 2018
+
+* 70f22f3 Chore: Apply memoization to config creation within glob utils (#9944) (Kenton Jacobsen)
+* 0e4ae22 Update: fix indent bug with binary operators/ignoredNodes (fixes #9882) (#9951) (Teddy Katz)
+* 47ac478 Update: add named imports and exports for object-curly-newline (#9876) (Nicholas Chua)
+* e8efdd0 Fix: support Rest/Spread Properties (fixes #9885) (#9943) (Toru Nagashima)
+* f012b8c Fix: support Async iteration (fixes #9891) (#9957) (Toru Nagashima)
+* 74fa253 Docs: Clarify no-mixed-operators options (fixes #9962) (#9964) (Ivan Hayes)
+* 426868f Docs: clean up key-spacing docs (fixes #9900) (#9963) (Abid Uzair)
+* 4a6f22e Update: support eslint-disable-* block comments (fixes #8781) (#9745) (Erin)
+* 777283b Docs: Propose fix typo for function (#9965) (John Eismeier)
+* bf3d494 Docs: Fix typo in max-len ignorePattern example. (#9956) (Tim Martin)
+* d64fbb4 Docs: fix typo in prefer-destructuring.md example (#9930) (Vse Mozhet Byt)
+* f8d343f Chore: Fix default issue template (#9946) (Kai Cataldo)
+
+v4.17.0 - February 2, 2018
+
+* 1da1ada Update: Add "multiline" type to padding-line-between-statements (#8668) (Matthew Bennett)
+* bb213dc Chore: Use messageIds in some of the core rules (#9648) (Jed Fox)
+* 1aa1970 Docs: remove outdated rule naming convention (#9925) (Teddy Katz)
+* 3afaff6 Docs: Add prefer-destructuring variable reassignment example (#9873) (LePirlouit)
+* d20f6b4 Fix: Typo in error message when running npm (#9866) (Maciej Kasprzyk)
+* 51ec6a7 Docs: Use GitHub Multiple PR/Issue templates (#9911) (Kai Cataldo)
+* dc80487 Update: space-unary-ops uses astUtils.canTokensBeAdjacent (fixes #9907) (#9906) (Kevin Partington)
+* 084351b Docs: Fix the messageId example (fixes #9889) (#9892) (Jed Fox)
+* 9cbb487 Docs: Mention the `globals` key in the no-undef docs (#9867) (Dan Dascalescu)
+
+v4.16.0 - January 19, 2018
+
+* e26a25f Update: allow continue instead of if wrap in guard-for-in (fixes #7567) (#9796) (Michael Ficarra)
+* af043eb Update: Add NewExpression support to comma-style (#9591) (Frazer McLean)
+* 4f898c7 Build: Fix JSDoc syntax errors (#9813) (Matija Marohnić)
+* 13bcf3c Fix: Removing curly quotes in no-eq-null report message (#9852) (Kevin Partington)
+* b96fb31 Docs: configuration hierarchy for CLIEngine options (fixes #9526) (#9855) (PiIsFour)
+* 8ccbdda Docs: Clarify that -c configs merge with `.eslintrc.*` (fixes #9535) (#9847) (Kevin Partington)
+* 978574f Docs: Fix examples for no-useless-escape (#9853) (Toru Kobayashi)
+* cd5681d Chore: Deactivate consistent-docs-url in internal rules folder (#9815) (Kevin Partington)
+* 2e87ddd Docs: Sync messageId examples' style with other examples (#9816) (Kevin Partington)
+* 1d61930 Update: use doctrine range information in valid-jsdoc (#9831) (Teddy Katz)
+* 133336e Update: fix indent behavior on template literal arguments (fixes #9061) (#9820) (Teddy Katz)
+* ea1b15d Fix: avoid crashing on malformed configuration comments (fixes #9373) (#9819) (Teddy Katz)
+* add1e70 Update: fix indent bug on comments in ternary expressions (fixes #9729) (#9818) (Teddy Katz)
+* 6a5cd32 Fix: prefer-destructuring error with computed properties (fixes #9784) (#9817) (Teddy Katz)
+* 601f851 Docs: Minor modification to code comments for clarity (#9821) (rgovind92)
+* b9da067 Docs: fix misleading info about RuleTester column numbers (#9830) (Teddy Katz)
+* 2cf4522 Update: Rename and deprecate object-property-newline option (#9570) (Jonathan Pool)
+* acde640 Docs: Add ES 2018 to Configuring ESLint (#9829) (Kai Cataldo)
+* ccfce15 Docs: Minor tweaks to working with rules page (#9824) (Kevin Partington)
+* 54b329a Docs: fix substitution of {{ name }} (#9822) (Andres Kalle)
+
+v4.15.0 - January 6, 2018
+
+* 6ab04b5 New: Add context.report({ messageId }) (fixes #6740) (#9165) (Jed Fox)
+* fc7f404 Docs: add url to each of the rules (refs #6582) (#9788) (Patrick McElhaney)
+* fc44da9 Docs: fix sort-imports rule block language (#9805) (ferhat elmas)
+* 65f0176 New: CLIEngine#getRules() (refs #6582) (#9782) (Patrick McElhaney)
+* c64195f Update: More detailed assert message for rule-tester (#9769) (Weijia Wang)
+* 9fcfabf Fix: no-extra-parens false positive (fixes: #9755) (#9795) (Erin)
+* 61e5fa0 Docs: Add table of contents to Node.js API docs (#9785) (Patrick McElhaney)
+* 4c87f42 Fix: incorrect error messages of no-unused-vars (fixes #9774) (#9791) (akouryy)
+* bbabf34 Update: add `ignoreComments` option to `indent` rule (fixes #9018) (#9752) (Kevin Partington)
+* db431cb Docs: HTTP -> HTTPS (fixes #9768) (#9768) (Ronald Eddy Jr)
+* cbf0fb9 Docs: describe how to feature-detect scopeManager/visitorKeys support (#9764) (Teddy Katz)
+* f7dcb70 Docs: Add note about "patch release pending" label to maintainer guide (#9763) (Teddy Katz)
+
+v4.14.0 - December 23, 2017
+
+* be2f57e Update: support separate requires in one-var. (fixes #6175) (#9441) (薛定谔的猫)
+* 370d614 Docs: Fix typos (#9751) (Jed Fox)
+* 8196c45 Chore: Reorganize CLI options and associated docs (#9758) (Kevin Partington)
+* 75c7419 Update: Logical-and is counted in `complexity` rule (fixes #8535) (#9754) (Kevin Partington)
+* eb4b1e0 Docs: reintroduce misspelling in `valid-typeof` example (#9753) (Teddy Katz)
+* ae51eb2 New: Add allowImplicit option to array-callback-return (fixes #8539) (#9344) (James C. Davis)
+* e9d5dfd Docs: improve no-extra-parens formatting (#9747) (Rich Trott)
+* 37d066c Chore: Add unit tests for overrides glob matching. (#9744) (Robert Jackson)
+* 805a94e Chore: Fix typo in CLIEngine test name (#9741) (@scriptdaemon)
+* 1c2aafd Update: Improve parser integrations (fixes #8392) (#8755) (Toru Nagashima)
+* 4ddc131 Upgrade: debug@^3.1.0 (#9731) (Kevin Partington)
+* f252c19 Docs: Make the lint message `source` property a little more subtle (#9735) (Jed Fox)
+* 5a5c23c Docs: fix the link to contributing page (#9727) (Victor Hom)
+* f44ce11 Docs: change beginner to good first issue label text (#9726) (Victor Hom)
+* 14baa2e Chore: improve arrow-body-style error message (refs #5498) (#9718) (Teddy Katz)
+* f819920 Docs: fix typos (#9723) (Thomas Broadley)
+* 43d4ba8 Fix: false positive on rule`lines-between-class-members` (fixes #9665) (#9680) (sakabar)
+
+v4.13.1 - December 11, 2017
+
+* b72dc83 Fix: eol-last allow empty-string to always pass (refs #9534) (#9696) (Kevin Partington)
+* d80aa7c Fix: camelcase destructure leading/trailing underscore (fixes #9700) (#9701) (Kevin Partington)
+* d49d9d0 Docs: Add missing period to the README (#9702) (Kevin Partington)
+* 4564fe0 Chore: no-invalid-meta crash if no export assignment (refs #9534) (#9698) (Kevin Partington)
+
+v4.13.0 - December 8, 2017
+
+* 256481b Update: update handling of destructuring in camelcase (fixes #8511) (#9468) (Erin)
+* d067ae1 Docs: Don’t use undocumented array-style configuration for max-len (#9690) (Jed Fox)
+* 1ad3091 Chore: fix test-suite to work with node master (#9688) (Myles Borins)
+* cdb1488 Docs: Adds an example with try/catch. (#9672) (Jaap Taal)
+
+v4.12.1 - November 30, 2017
+
+* 1e362a0 Revert "Fix: Use XML 1.1 on XML formatters (fixes #9607) (#9608)" (#9667) (Kevin Partington)
+
+v4.12.0 - November 25, 2017
+
+* 76dab18 Upgrade: doctrine@^2.0.2 (#9656) (Kevin Partington)
+* 28c9c8e New: add a Linter#defineParser function (#9321) (Ives van Hoorne)
+* 5619910 Update: Add autofix for `sort-vars` (#9496) (Trevin Hofmann)
+* 71eedbf Update: add `beforeStatementContinuationChars` to semi (fixes #9521) (#9594) (Toru Nagashima)
+* 4118f14 New: Adds implicit-arrow-linebreak rule (refs #9510) (#9629) (Sharmila Jesupaul)
+* 208fb0f Fix: Use XML 1.1 on XML formatters (fixes #9607) (#9608) (Daniel Reigada)
+* 6e04f14 Upgrade: `globals` to 11.0.1 (fixes #9614) (#9632) (Toru Nagashima)
+* e13d439 Fix: space-in-parens crash (#9655) (Toru Nagashima)
+* 92171cc Docs: Updating migration guide for single-line disable (#9385) (Justin Helmer)
+* f39ffe7 Docs: remove extra punctuation from readme (#9640) (Teddy Katz)
+* a015234 Fix: prefer-destructuring false positive on "super" (fixes #9625) (#9626) (Kei Ito)
+* 0cf081e Update: add importNames option to no-restricted-imports (#9506) (Benjamin R Gibson)
+* 332c214 Docs: Add @platinumazure to TSC (#9618) (Ilya Volodin)
+
+v4.11.0 - November 10, 2017
+
+* d4557a6 Docs: disallow use of the comma operator using no-restricted-syntax (#9585) (薛定谔的猫)
+* d602f9e Upgrade: espree v3.5.2 (#9611) (Kai Cataldo)
+* 4def876 Chore: avoid handling rules instances in config-validator (#9364) (Teddy Katz)
+* fe5ac7e Chore: fix incorrect comment in safe-emitter.js (#9605) (Teddy Katz)
+* 6672fae Docs: Fixed a typo on lines-between-class-members doc (#9603) (Moinul Hossain)
+* 980ecd3 Chore: Update copyright and license info (#9599) (薛定谔的猫)
+* cc2c7c9 Build: use Node 8 in appveyor (#9595) (薛定谔的猫)
+* 2542f04 Docs: Add missing options for `lines-around-comment` (#9589) (Clément Fiorio)
+* b6a7490 Build: ensure fuzzer tests get run with `npm test` (#9590) (Teddy Katz)
+* 1073bc5 Build: remove shelljs-nodecli (refs #9533) (#9588) (Teddy Katz)
+* 7e3bf6a Fix: edge-cases of semi-style (#9560) (Toru Nagashima)
+* e5a37ce Fix: object-curly-newline for flow code (#9458) (Tiddo Langerak)
+* 9064b9c Chore: add equalTokens in ast-utils. (#9500) (薛定谔的猫)
+* b7c5b19 Fix: Correct [object Object] output of error.data. (#9561) (Jonathan Pool)
+* 51c8cf0 Docs: Disambiguate definition of Update tag (#9584) (Jonathan Pool)
+* afc3c75 Docs: clarify what eslint-config-eslint is (#9582) (Teddy Katz)
+* aedae9d Docs: fix spelling in valid-typeof example (#9574) (Maksim Degtyarev)
+* 4c5aaf3 Docs: Fix typo in no-underscore-dangle rule (#9567) (Fabien Lucas)
+* 3623600 Chore: upgrade ajv@5.3.0 (#9557) (薛定谔的猫)
+* 1b606cd Chore: Remove an indirect dependency on jsonify (#9444) (Rouven Weßling)
+* 4d7d7ab Update: Resolve npm installed formatters (#5900) (#9464) (Tom Erik Støwer)
+* accc490 Fix: Files with no failures get "passing" testcase (#9547) (Samuel Levy)
+* ab0f66d Docs: Add examples to better show rule coverage. (#9548) (Jonathan Pool)
+* 88d2303 Chore: Add object-property-newline tests to increase coverage. (#9553) (Jonathan Pool)
+* 7f37b1c Build: test Node 9 on Travis (#9556) (Teddy Katz)
+* acccfbd Docs: Minor rephrase in `no-invalid-this`. (#9542) (Francisc)
+* 8f9c0fe Docs: improve id-match usage advice (#9544) (Teddy Katz)
+* a9606a3 Fix: invalid tests with super (fixes #9539) (#9545) (Teddy Katz)
+* 8e1a095 Chore: enable a modified version of multiline-comment-style on codebase (#9452) (Teddy Katz)
+* cb60285 Chore: remove commented test for HTML formatter (#9532) (Teddy Katz)
+* 06b491e Docs: fix duplicate entries in changelog (#9530) (Teddy Katz)
+* 2224733 Chore: use eslint-plugin-rulesdir instead of --rulesdir for self-linting (#9164) (Teddy Katz)
+* 9cf4ebe Docs: add .md to link(for github users) (#9529) (薛定谔的猫)
+
+v4.10.0 - October 27, 2017
+
+* bb6e60a Fix: Improve the doc for no-restricted-modules rule (fixes #9437) (#9495) (vibss2397)
+* c529de9 Docs: Amend rule document to correct and complete it (refs #6251). (#9498) (Jonathan Pool)
+* f9c6673 Chore: Add tests to cover array and object values and leading commas. (#9502) (Jonathan Pool)
+* 9169258 Chore: remove `npm run check-commit` script (#9513) (Teddy Katz)
+* 7d390b2 Docs: Revise contributor documentation on issue labels. (#9469) (Jonathan Pool)
+* d80b9d0 Fix: no-var don't fix globals (fixes #9520) (#9525) (Toru Nagashima)
+* b8aa071 Fix: allow linting the empty string from stdin (fixes #9515) (#9517) (Teddy Katz)
+* 350a72c Chore: regex.test => string.startsWith (#9518) (薛定谔的猫)
+* de0bef4 Chore: remove obsolete eslintbot templates (#9512) (Teddy Katz)
+* 720b6d5 Docs: Update ISSUE_TEMPLATE.md (#9504) (薛定谔的猫)
+* 2fa64b7 Fix: should not convert non-consecutive line comments to a single blo… (#9475) (薛定谔的猫)
+* 9725146 Fix: multiline-comment-style fix produces invalid code (fixes #9461). (#9463) (薛定谔的猫)
+* b12cff8 Fix: Expected order of jsdoc tags (fixes #9412) (#9451) (Orlando Wenzinger)
+* f054ab5 Docs: add `.md` to link (for github users) (#9501) (薛定谔的猫)
+* 5ed9cfc Docs: Correct violations of “Variable Declarations” in Code Conventions (#9447) (Jonathan Pool)
+* 3171097 Docs: Clears confusion on usage of global and local plugins.(#9492) (Vasili Sviridov)
+* 3204773 Chore: enable max-len. (#9414) (薛定谔的猫)
+* 0f71fef Docs: Unquote booleans in lines-between-class-members docs (#9497) (Brandon Mills)
+* b3d7532 Docs: use consistent terminology & fix link etc. (#9490) (薛定谔的猫)
+* 87db8ae Docs: Fix broken links (#9488) (gpiress)
+* 51bdb2f Docs: Incorrect link to related rule (#9477) (Gavin King)
+* 1a962e8 Docs: Add FAQ for when ESLint cannot find plugin (#9467) (Kevin Partington)
+* 8768b2d Fix: multiline-comment-style autofixer added trailing space (#9454) (Teddy Katz)
+* e830aa1 Fix: multiline-comment-style reports block comments followed by code (#9450) (Teddy Katz)
+* b12e5fe Docs: Repair broken links and add migration links. (#9473) (Jonathan Pool)
+* eca01ed Docs: Add missing info about special status of home-dir config files. (#9472) (Jonathan Pool)
+* eb8cfb1 Fix: change err report in constant condition (fixes #9398) (#9436) (Victor Hom)
+* da77eb4 Chore: Revise no-config-file test to prevent false failure. (#9443) (Jonathan Pool)
+* 47e5f6f Docs: ensure "good commit message" examples actually follow guidelines (#9466) (Teddy Katz)
+* ebb530d Update: Don't ignore comments (no-trailing-spaces) (#9416) (Chris van Marle)
+* 5012661 Build: fix `npm run profile` script (fixes #9397) (#9455) (Teddy Katz)
+* ecac0fd Docs: Remove blockBindings references (#9446) (Jan Pilzer)
+* 0b89865 Chore: ensure tests for internal rules get run (#9453) (Teddy Katz)
+* 052c504 Docs: suggest deleting branches after merging PRs (#9449) (Teddy Katz)
+* b31e55a Chore: move internal rules out of lib/ (#9448) (Teddy Katz)
+* a7521e3 Docs: improve examples for multiline-comment-style (#9440) (Teddy Katz)
+
+v4.9.0 - October 14, 2017
+
+* 85388fb Fix: Correct error and test messages to fit config search path (#9428) (Jonathan Pool)
+* 62a323c Fix: Add class options for `lines-around-comment` (fixes #8564) (#8565) (Ed Lee)
+* 8eb4aae New: multiline-comment-style rule (fixes #8320) (#9389) (薛定谔的猫)
+* db41408 Chore: avoid applying eslint-env comments twice (#9278) (Teddy Katz)
+* febb897 Chore: avoid loose equality assertions (#9415) (Teddy Katz)
+* 2247efa Update: Add FunctionExpression to require-jsdoc (fixes #5867) (#9395) (Kai Cataldo)
+* 6791d18 Docs: Corrected noun to verb. (#9438) (Jonathan Pool)
+* b02fbb6 Update: custom messages for no-restricted-* (refs #8400) (Maja Wichrowska)
+* 02732bd Docs: Reorganized to avoid misunderstandings. (#9434) (Jonathan Pool)
+* d9466b8 Docs: Correct time forecast for tests. (#9432) (Jonathan Pool)
+* f7ed84f Docs: Add instruction re home-directory config files (refs #7729) (#9426) (Jonathan Pool)
+* 30d018b Chore: Add Aladdin-ADD & VictorHom to README (#9424) (Kai Cataldo)
+* 2d8a303 Docs: fix examples for prefer-numeric-literals (#9155) (Lutz Lengemann)
+* d7610f5 Docs: Add jquery warning to prefer-destructuring (#9409) (Thomas Grainger)
+* e835dd1 Docs: clarify no-mixed-operators (fixes #8051) (Ruxandra Fediuc)
+* 51360c8 Docs: update block-spacing details (fixes #8743) (#9375) (Victor Hom)
+* 6767857 Update: fix ignored nodes in indent rule when using tabs (fixes #9392) (#9393) (Robin Houston)
+* 37dde77 Chore: Refactor SourceCode#getJSDocComment (#9403) (Kai Cataldo)
+* 9fedd51 Chore: Add missing space in blog post template (#9407) (Kevin Partington)
+* 7654c99 Docs: add installing prerequisites in readme. (#9401) (薛定谔的猫)
+* 786cc73 Update: Add "consistent" option to array-bracket-newline (fixes #9136) (#9206) (Ethan Rutherford)
+* e171f6b Docs: add installing prerequisites. (#9394) (薛定谔的猫)
+* 74dfc87 Docs: update doc for class-methods-use-this (fixes #8910) (#9374) (Victor Hom)
+* b4a9dbf Docs: show console call with no-restricted-syntax (fixes #7806) (#9376) (Victor Hom)
+* 8da525f Fix: recognise multiline comments as multiline arrays (fixes #9211) (#9369) (Phil Quinn)
+* c581b77 Chore: Error => TypeError (#9390) (薛定谔的猫)
+* ee99876 New: lines-between-class-members rule (fixes #5949) (#9141) (薛定谔的猫)
+* 9d3f5ad Chore: report unused eslint-disable directives in ESLint codebase (#9371) (Teddy Katz)
+* 1167638 Update: add allowElseIf option to no-else-return (fixes #9228) (#9229) (Thomas Grainger)
+* 4567ab1 New: Add the fix-dry-run flag (fixes #9076) (#9073) (Rafał Ruciński)
+
+v4.8.0 - September 29, 2017
+
+* 3f2b908 New: add option to report unused eslint-disable directives (fixes #9249) (#9250) (Teddy Katz)
+* ff2be59 Fix: dot notation rule failing to catch string template (fixes #9350) (#9357) (Phil Quinn)
+* b1372da Chore: remove sourceCode property from Linter (refs #9161) (#9363) (Teddy Katz)
+* cef6f8c Docs: remove line about removing rules from semver policy (#9367) (Teddy Katz)
+* 06efe87 Fix: Add meta element with charset attribute. (#9365) (H1Gdev)
+* 458ca67 Docs: update architecture page (fixes #9337) (#9345) (Victor Hom)
+* 1c6bc67 Fix: special EventEmitter keys leak information about other rules (#9328) (Teddy Katz)
+* d593e61 Docs: update eslint.org links to use https (#9358) (Teddy Katz)
+* 38d0cb2 Fix: fix wrong code-path about try-for-in (fixes #8848) (#9348) (Toru Nagashima)
+* 434d9e2 Fix: Invalid font-size property value issue. (#9341) (H1Gdev)
+* a7668c2 Chore: Remove unnecessary slice from logging utility (#9343) (Gyandeep Singh)
+* 2ff6fb6 Chore: remove unused arguments in codebase (#9340) (Teddy Katz)
+
+v4.7.2 - September 21, 2017
+
+* 4f87732 Fix: Revert setting node.parent early (fixes #9331) (#9336) (Teddy Katz)
+
+v4.7.1 - September 18, 2017
+
+* 08656db Fix: Handle nested disable directive correctly (fixes #9318) (#9322) (Gyandeep Singh)
+* 9226495 Revert "Chore: rewrite parseListConfig for a small perf gain." (#9325) (薛定谔的猫)
+
+v4.7.0 - September 15, 2017
+
+* 787b78b Upgrade: Espree v3.5.1 (fixes #9153) (#9314) (Brandon Mills)
+* 1488b51 Update: run rules after `node.parent` is already set (fixes #9122) (#9283) (Teddy Katz)
+* 4431d68 Docs: fix wrong config in max-len example. (#9309) (薛定谔的猫)
+* 7d24dde Docs: Fix code snippet to refer to the correct option (#9313) (Ruben Tytgat)
+* 12388d4 Chore: rewrite parseListConfig for a small perf gain. (#9300) (薛定谔的猫)
+* ce1f084 Update: fix MemberExpression handling in no-extra-parens (fixes #9156) (jackyho112)
+* 0c720a3 Update: allow autofixing when using processors (fixes #7510) (#9090) (Teddy Katz)
+* 838df76 Chore: upgrade deps. (#9289) (薛定谔的猫)
+* f12def6 Update: indent flatTernary option to handle `return` (fixes #9285) (#9296) (Teddy Katz)
+* e220687 Fix: remove autofix for var undef inits (fixes #9231) (#9288) (Victor Hom)
+* 002e199 Docs: fix no-restricted-globals wrong config. (#9305) (薛定谔的猫)
+* fcfe91a Docs: fix wrong config in id-length example. (#9303) (薛定谔的猫)
+* 2731f94 Update: make newline-per-chained-call fixable (#9149) (João Granado)
+* 61f1093 Chore: avoid monkeypatching Linter instances in RuleTester (#9276) (Teddy Katz)
+* 28929cb Chore: remove Linter#reset (refs #9161) (#9268) (Teddy Katz)
+* abc8634 Build: re-run browserify when generating site (#9275) (Teddy Katz)
+* 7685fed Fix: IIFE and arrow functions in no-invalid-this (fixes #9126) (#9258) (Toru Nagashima)
+* 2b1eba2 Chore: enable eslint-plugin/no-deprecated-context-methods (#9279) (Teddy Katz)
+* 981f933 Fix: reuse the AST of source code object in verify (#9256) (Toru Nagashima)
+* cd698ba Docs: move RuleTester documentation to Node.js API page (#9273) (Teddy Katz)
+* 4ae7ad3 Docs: fix inaccuracy in `npm run perf` description (#9274) (Teddy Katz)
+* cad45bd Docs: improve documentation for rule contexts (#9272) (Teddy Katz)
+* 3b0c6fd Chore: remove extraneous linter properties (refs #9161) (#9267) (Teddy Katz)
+* c3231b3 Docs: Fix typo in array-bracket-newline.md (#9269) (宋文强)
+* 51132d6 Fix: Formatters keep trailing '.' if preceded by a space (fixes #9154) (#9247) (i-ron-y)
+* 88d5d4d Chore: remove undocumented Linter#markVariableAsUsed method (refs #9161) (#9266) (Teddy Katz)
+* 09414cf Chore: remove internal Linter#getDeclaredVariables method (refs #9161) (#9264) (Teddy Katz)
+* f31f59d Chore: prefer smaller scope for variables in codebase (#9265) (Teddy Katz)
+* 3693e4e Chore: remove undocumented Linter#getScope method (#9253) (Teddy Katz)
+* 5d7eb81 Chore: refactor config hash caching in CLIEngine (#9260) (Teddy Katz)
+* 1a76c4d Chore: remove SourceCode passthroughs from Linter.prototype (refs #9161) (#9263) (Teddy Katz)
+* 40ae27b Chore: avoid relying on Linter#getScope/markVariableAsUsed in tests (#9252) (Teddy Katz)
+* b383d81 Chore: make executeOnFile a pure function in CLIEngine (#9262) (Teddy Katz)
+* 5e0e579 Chore: avoid internal SourceCode methods in Linter tests (refs #9161) (#9223) (Teddy Katz)
+* adab827 Chore: remove unused eslint-disable comment (#9251) (Teddy Katz)
+* 31e4ec8 Chore: use consistent names for apply-disable-directives in tests (#9246) (Teddy Katz)
+* 7ba46e6 Fix: shebang error in eslint-disable-new-line; add tests (fixes #9238) (#9240) (i-ron-y)
+* 8f6546c Chore: remove undocumented defaults() method (refs #9161) (#9237) (Teddy Katz)
+* 82d8b73 Docs: Fix error in example code for sort-imports (fixes #8734) (#9245) (i-ron-y)
+* a32ec36 Update: refactor eslint-disable comment processing (#9216) (Teddy Katz)
+* 583f0b8 Chore: avoid using globals in CLIEngine tests (#9242) (Teddy Katz)
+* c8bf687 Chore: upgrade eslint-plugin-eslint-plugin@1.0.0 (#9234) (薛定谔的猫)
+* 3c41a05 Chore: always normalize rules to new API in rules.js (#9236) (Teddy Katz)
+* c5f4227 Chore: move logic for handling missing rules to rules.js (#9235) (Teddy Katz)
+* bf1e344 Chore: create report translators lazily (#9221) (Teddy Katz)
+* 2eedc1f Chore: remove currentFilename prop from Linter instances (refs #9161) (#9219) (Teddy Katz)
+* 5566e94 Docs: Replace misleading CLA links (#9133) (#9232) (i-ron-y)
+* c991630 Chore: remove ConfigOps.normalize in favor of ConfigOps.getRuleSeverity (#9224) (Teddy Katz)
+* 171962a Chore: remove internal Linter#getAncestors helper (refs #9161) (#9222) (Teddy Katz)
+* a567499 Chore: avoid storing list of problems on Linter instance (refs #9161) (#9214) (Teddy Katz)
+* ed6d088 Chore: avoid relying on undocumented Linter#getFilename API in tests (#9218) (Teddy Katz)
+
+v4.6.1 - September 3, 2017
+
+* bdec46d Build: avoid process leak when generating website (#9217) (Teddy Katz)
+* cb74b87 Fix: avoid adding globals when an env is used with `false` (fixes #9202) (#9203) (Teddy Katz)
+* f9b7544 Docs: Correct a typo in generator-star-spacing documentation (#9205) (Ethan Rutherford)
+* e5c5e83 Build: Fixing issue with docs generation (Fixes #9199) (#9200) (Ilya Volodin)
+
+v4.6.0 - September 1, 2017
+
+* 56dd769 Docs: fix link format in prefer-arrow-callback.md (#9198) (Vse Mozhet Byt)
+* 6becf91 Update: add eslint version to error output. (fixes #9037) (#9071) (薛定谔的猫)
+* 0e09973 New: function-paren-newline rule (fixes #6074) (#8102) (Teddy Katz)
+* 88a64cc Chore: Make parseJsonConfig() a pure function in Linter (#9186) (Teddy Katz)
+* 1bbac51 Fix: avoid breaking eslint-plugin-eslint-comments (fixes #9193) (#9196) (Teddy Katz)
+* 3e8b70a Fix: off-by-one error in eslint-disable comment checking (#9195) (Teddy Katz)
+* 73815f6 Docs: rewrite prefer-arrow-callback documentation (fixes #8950) (#9077) (Charles E. Morgan)
+* 0d3a854 Chore: avoid mutating report descriptors in report-translator (#9189) (Teddy Katz)
+* 2db356b Update: no-unused-vars Improve message to include the allowed patterns (#9176) (Eli White)
+* 8fbaf0a Update: Add configurability to generator-star-spacing (#8985) (Ethan Rutherford)
+* 8ed779c Chore: remove currentScopes property from Linter instances (refs #9161) (#9187) (Teddy Katz)
+* af4ad60 Fix: Handle error when running init without npm (#9169) (Gabriel Aumala)
+* 4b94c6c Chore: make parse() a pure function in Linter (refs #9161) (#9183) (Teddy Katz)
+* 1be5634 Chore: don't make Linter a subclass of EventEmitter (refs #9161) (#9177) (Teddy Katz)
+* e95af9b Chore: don't include internal test helpers in npm package (#9160) (Teddy Katz)
+* 6fb32e1 Chore: avoid using private Linter APIs in astUtils tests (refs #9161) (#9173) (Teddy Katz)
+* de6dccd Docs: add documentation for Linter methods (refs #6525) (#9151) (Teddy Katz)
+* 2d90030 Chore: remove unused assignment. (#9182) (薛定谔的猫)
+* d672aef Chore: refactor reporting logic (refs #9161) (#9168) (Teddy Katz)
+* 5ab0434 Fix: indent crash on sparse arrays with "off" option (fixes #9157) (#9166) (Teddy Katz)
+* c147b97 Chore: Make SourceCodeFixer accept text instead of a SourceCode instance (#9178) (Teddy Katz)
+* f127423 Chore: avoid using private Linter APIs in Linter tests (refs #9161) (#9175) (Teddy Katz)
+* 2334335 Chore: avoid using private Linter APIs in SourceCode tests (refs #9161) (#9174) (Teddy Katz)
+* 2dc243a Chore: avoid using internal Linter APIs in RuleTester (refs #9161) (#9172) (Teddy Katz)
+* d6e436f Fix: no-extra-parens reported some parenthesized IIFEs (fixes #9140) (#9158) (Teddy Katz)
+* e6b115c Build: Add an edit link to the rule docs’ metadata (#9049) (Jed Fox)
+* fcb7bb4 Chore: avoid unnecessarily complex forEach calls in no-extra-parens (#9159) (Teddy Katz)
+* ffa021e Docs: quotes rule - when does \n require backticks (#9135) (avimar)
+* 60c5148 Chore: improve coverage in lib/*.js (#9130) (Teddy Katz)
+
+v4.5.0 - August 18, 2017
+
+* decdd2c Update: allow arbitrary nodes to be ignored in `indent` (fixes #8594) (#9105) (Teddy Katz)
+* 79062f3 Update: fix indentation of multiline `new.target` expressions (#9116) (Teddy Katz)
+* d00e24f Upgrade: `chalk` to 2.x release (#9115) (Stephen Edgar)
+* 6ef734a Docs: add missing word in processor documentation (#9106) (Teddy Katz)
+* a4f53ba Fix: Include files with no messages in junit results (#9093) (#9094) (Sean DuBois)
+* 1d6a9c0 Chore: enable eslint-plugin/test-case-shorthand-strings (#9067) (薛定谔的猫)
+* f8add8f Fix: don't autofix with linter.verifyAndFix when `fix: false` is used (#9098) (Teddy Katz)
+* 77bcee4 Docs: update instructions for adding TSC members (#9086) (Teddy Katz)
+* bd09cd5 Update: avoid requiring NaN spaces of indentation (fixes #9083) (#9085) (Teddy Katz)
+* c93a853 Chore: Remove extra space in blogpost template (#9088) (Kai Cataldo)
+
+v4.4.1 - August 7, 2017
+
+* ec93614 Fix: no-multi-spaces to avoid reporting consecutive tabs (fixes #9079) (#9087) (Teddy Katz)
+
+v4.4.0 - August 5, 2017
+
+* 89196fd Upgrade: Espree to 3.5.0 (#9074) (Gyandeep Singh)
+* b3e4598 Fix: clarify AST and don't use `node.start`/`node.end` (fixes #8956) (#8984) (Toru Nagashima)
+* 62911e4 Update: Add ImportDeclaration option to indent rule (#8955) (David Irvine)
+* de75f9b Chore: enable object-curly-newline & object-property-newline.(fixes #9042) (#9068) (薛定谔的猫)
+* 5ae8458 Docs: fix typo in object-shorthand.md (#9066) (Jon Berry)
+* c3d5b39 Docs: clarify options descriptions (fixes #8875) (#9060) (Brandon Mailhiot)
+* 37158c5 Docs: clarified behavior of globalReturn option (fixes #8953) (#9058) (Brandon Mailhiot)
+* c2f3553 Docs: Update example for MemberExpression option of indent (fixes #9056) (#9057) (Jeff)
+* 78a85e0 Fix: no-extra-parens incorrectly reports async function expressions (#9035) (薛定谔的猫)
+* c794f86 Fix: getter-return reporting method named 'get' (fixes #8919) (#9004) (薛定谔的猫)
+* d0f78ec Docs: update rule deprecation policy (fixes #8635) (#9033) (Teddy Katz)
+* 5ab282f Fix: Print error message in bin/eslint.js (fixes #9011) (#9041) (Victor Hom)
+* 50e3cf3 Docs: Update sort-keys doc to define natural ordering (fixes #9043) (#9045) (Karan Sharma)
+* 7ecfe6a Chore: enable eslint-plugin/test-case-property-ordering (#9040) (薛定谔的猫)
+* ad32697 Upgrade: js-yaml to 3.9.1 (refs #9011) (#9044) (Teddy Katz)
+* 66c1d43 Docs: Create SUPPORT.md (#9031) (Teddy Katz)
+* 7247b6c Update: handle indentation of custom destructuring syntax (fixes #8990) (#9027) (Teddy Katz)
+* cdb82f2 Fix: padding-line-between-statements crash on semicolons after blocks (#8748) (Alexander Madyankin)
+* 3141872 Chore: remove unnecessary eslint-disable comments in codebase (#9032) (Teddy Katz)
+* 0f97279 Fix: refactor no-multi-spaces to avoid regex backtracking (fixes #9001) (#9008) (Teddy Katz)
+* b74514d Fix: refactor RuleContext to not modify report locations (fixes #8980) (#8997) (Teddy Katz)
+* 31d7fd2 Fix: inconsistent `indent` behavior on computed properties (fixes #8989) (#8999) (Teddy Katz)
+* 3393894 Fix: avoid reporting the entire AST for missing rules (#8998) (Teddy Katz)
+* b3b95b8 Chore: enable additional rules on ESLint codebase (#9013) (Teddy Katz)
+* 9b6c552 Upgrade: eslint-plugin-eslint-plugin@0.8.0 (#9012) (薛定谔的猫)
+* acbe86a Chore: disallow .substr and .substring in favor of .slice (#9010) (Teddy Katz)
+* d0536d6 Chore: Optimizes adding Linter methods (fixes #9000) (#9007) (Sean C Denison)
+* 0a0401f Chore: fix spelling error. (#9003) (薛定谔的猫)
+* 3d020b9 Update: emit a warning for ecmaFeatures rather than throwing an error (#8974) (Teddy Katz)
+* d2f8f9f Fix: include name of invalid config in validation messages (fixes #8963) (#8973) (Teddy Katz)
+* c3ee46b Chore: fix misleading comment in RuleTester (#8995) (Teddy Katz)
+
+v4.3.0 - July 21, 2017
+
+* 91dccdf Update: support more options in prefer-destructuring (#8796) (Victor Hom)
+* 3bebcfd Update: Support generator yields in no constant condition (#8762) (Victor Hom)
+* 96df8c9 Fix: Handle fixing objects containing comments (fixes #8484) (#8944) (Brian Schemp)
+* e39d41d Docs: Make `peerDependencies` package.json snippet valid JSON (#8971) (Sam Adams)
+* a5fd101 Fix: duplicated error message if a crash occurs (fixes #8964) (#8965) (Teddy Katz)
+* f8d122c Docs: trailing commas not allowed in json (#8969) (Scott Fletcher)
+* d09288a Chore: Use `output: null` to assert that a test case is not autofixed. (#8960) (薛定谔的猫)
+* e639358 Update: add question to confirm downgrade (fixes #8870) (#8911) (Toru Nagashima)
+* 601039d Docs: fix badge in eslint-config-eslint readme (#8954) (Teddy Katz)
+* 3c231fa Update: add enforceInMethodNames to no-underscore-dangle (fixes #7065) (#7234) (Gabriele Petronella)
+* 128591f Update: prefer-numeric-literals warns Number.parseInt (fixes #8913) (#8929) (Kevin Partington)
+* 846f8b1 Docs: Clarified that core PRs require issue in maintainer guide (#8927) (Kevin Partington)
+* 55bc35d Fix: Avoid shell mangling during eslint --init (#8936) (Anders Kaseorg)
+* 10c3d78 Chore: fix misleading `indent` test (#8925) (Teddy Katz)
+* fb8005d Update: no-restricted-globals custom error messages (fixes #8315) (#8932) (Kevin Partington)
+* a747b6f Chore: make minor improvements to `indent` internals (#8947) (Teddy Katz)
+* 1ea3723 Update: fix indentation of parenthesized MemberExpressions (fixes #8924) (#8928) (Teddy Katz)
+* 9abc6f7 Update: fix BinaryExpression indentation edge case (fixes #8914) (#8930) (Teddy Katz)
+* 0e90453 Docs: Fixing broken cyclomatic complexity link (fixes #8396) (#8937) (Chris Bargren)
+* a8a8350 Chore: improve performance of `indent` rule (#8905) (Teddy Katz)
+* 764b2a9 Chore: update header info in `indent` (#8926) (Teddy Katz)
+* 597c217 Fix: confusing error if plugins from config is not an array (#8888) (Calvin Freitas)
+* 3c1dd6d Docs: add description of no-sync `allowAtRootLevel` option (fixes #8902) (#8906) (Teddy Katz)
+* 933a9cf Chore: add a fuzzer to detect bugs in core rules (#8422) (Teddy Katz)
+* 45f8cd9 Docs: fix verifyAndFix result property name (#8903) (Tino Vyatkin)
+* 1a89e1c Docs: Fix always-multiline example in multiline-ternary docs (#8904) (Nathan Woltman)
+
+v4.2.0 - July 8, 2017
+
+* e0f0101 Update: fix indentation of nested function parameters (fixes #8892) (#8900) (Teddy Katz)
+* 9f95a3e Chore: remove unused helper method from `indent` (#8901) (Teddy Katz)
+* 11ffe6b Fix: no-regex-spaces rule incorrectly fixes quantified spaces (#8773) (Keri Warr)
+* 975dacf Update: fix indentation of EmptyStatements (fixes #8882) (#8885) (Teddy Katz)
+* 88ed041 Build: Turnoff CI branch build (fixes #8804) (#8873) (Gyandeep Singh)
+* 72f22eb Chore: replace is-my-json-valid with Ajv (#8852) (Gajus Kuizinas)
+* 7c8de92 Docs: Clarified PR guidelines in maintainer guide (#8876) (Kevin Partington)
+* d1fc408 Docs: Update CLA link in Contributing docs (#8883) (Calvin Freitas)
+* 931a9f1 Fix: indent false positive with multi-line await expression (#8837) (薛定谔的猫)
+* 3767cda Update: add no-sync option to allow at root level (fixes #7985) (#8859) (Victor Hom)
+* 1ce553d Docs: Fix wording of minProperties in object-curly-newline (fixes #8874) (#8878) (solmsted)
+* f00854e Fix: --quiet no longer fixes warnings (fixes #8675) (#8858) (Kevin Partington)
+* b678535 Chore: Add collapsible block for config in ISSUE_TEMPLATE (#8872) (Gyandeep Singh)
+* 1f5bfc2 Update: Add always-multiline option to multiline-ternary (fixes #8770) (#8841) (Nathan Woltman)
+* 22116f2 Fix: correct comma-dangle JSON schema (#8864) (Evgeny Poberezkin)
+* 676af9e Update: fix indentation of JSXExpressionContainer contents (fixes #8832) (#8850) (Teddy Katz)
+* 330dd58 Chore: fix title of linter test suite (#8861) (Teddy Katz)
+* 60099ed Chore: enable for-direction rule on ESLint codebase (#8853) (薛定谔的猫)
+* e0d1a84 Chore: upgrade eslint-plugin-eslint-plugin & eslint-plugin-node (#8856) (薛定谔的猫)
+* 0780d86 Chore: remove identical tests (#8851) (Teddy Katz)
+* 5c3ac8e Fix: arrow-parens fixer gets tripped up with trailing comma in args (#8838) (薛定谔的猫)
+* c4f2e29 Build: fix race condition in demo (#8827) (Teddy Katz)
+* c693be5 New: Allow passing a function as `fix` option (fixes #8039) (#8730) (Ian VanSchooten)
+* 8796d55 Docs: add missing item to 4.0 migration guide table of contents (#8835) (薛定谔的猫)
+* 742998c doc md update: false -> `false` (#8825) (Erik Vold)
+* ce969f9 Docs: add guidelines for patch release communication (fixes #7277) (#8823) (Teddy Katz)
+* 5c83c99 Docs: Clarify arrow function parens in no-extra-parens (fixes #8741) (#8822) (Kevin Partington)
+* 84d921d Docs: Added note about Node/CJS scoping to no-redeclare (fixes #8814) (#8820) (Kevin Partington)
+* 85c9327 Update: fix parenthesized CallExpression indentation (fixes #8790) (#8802) (Teddy Katz)
+* be8d354 Update: simplify variable declarator indent handling (fixes #8785) (#8801) (Teddy Katz)
+* 9417818 Fix: no-debugger autofixer produced invalid syntax (#8806) (Teddy Katz)
+* 8698a92 New: getter-return rule (fixes #8449) (#8460) (薛定谔的猫)
+* eac06f2 Fix: no-extra-parens false positives for variables called "let" (#8808) (Teddy Katz)
+* 616587f Fix: dot-notation autofix produces syntax errors for object called "let" (#8807) (Teddy Katz)
+* a53ef7e Fix: don't require a third argument in linter.verifyAndFix (fixes #8805) (#8809) (Teddy Katz)
+* 5ad8b70 Docs: add minor formatting improvement to paragraph about parsers (#8816) (Teddy Katz)
+
+v4.1.1 - June 25, 2017
+
+* f307aa0 Fix: ensure configs from a plugin are cached separately (fixes #8792) (#8798) (Teddy Katz)
+* 8b48ae8 Docs: Add doc on parser services (fixes #8390) (#8795) (Victor Hom)
+* 0d041e7 Fix: avoid crashing when using baseConfig with extends (fixes #8791) (#8797) (Teddy Katz)
+* 03213bb Chore: improve comment explanation of `indent` internal functions (#8800) (Teddy Katz)
+* d2e88ed Chore: Fix misleading comment in ConfigCache.js (#8799) (Teddy Katz)
+
+v4.1.0 - June 23, 2017
+
+* e8f1362 Docs: Remove wrong descriptions in `padded-block` rule (#8783) (Plusb Preco)
+* 291a783 Update: `enforceForArrowConditionals` to `no-extra-parens` (fixes #6196) (#8439) (Evilebot Tnawi)
+* a21dd32 New: Add `overrides`/`files` options for glob-based config (fixes #3611) (#8081) (Sylvan Mably)
+* 879688c Update: Add ignoreComments option to no-trailing-spaces (#8061) (Jake Roussel)
+* b58ae2e Chore: Only instantiate fileEntryCache when cache flage set (perf) (#8763) (Gyandeep Singh)
+* 9851288 Update: fix indent errors on multiline destructure (fixes #8729) (#8756) (Victor Hom)
+* 3608f06 Docs: Increase visibility of code of conduct (fixes #8758) (#8764) (Kai Cataldo)
+* 673a58b Update: support multiple fixes in a report (fixes #7348) (#8101) (Toru Nagashima)
+* 7a1bc38 Fix: don't pass default parserOptions to custom parsers (fixes #8744) (#8745) (Teddy Katz)
+* c5b4052 Chore: enable computed-property-spacing on ESLint codebase (#8760) (Teddy Katz)
+* 3419f64 Docs: describe how to use formatters on the formatter demo page (#8754) (Teddy Katz)
+* a3ff8f2 Chore: combine tests in tests/lib/eslint.js and tests/lib/linter.js (#8746) (Teddy Katz)
+* b7cc1e6 Fix: Space-infix-ops should ignore type annotations in TypeScript (#8341) (Reyad Attiyat)
+* 46e73ee Fix: eslint --init installs wrong dependencies of popular styles (fixes #7338) (#8713) (Toru Nagashima)
+* a82361b Chore: Prevent package-lock.json files from being created (fixes #8742) (#8747) (Teddy Katz)
+* 5f81a68 New: Add eslintIgnore support to package.json (fixes #8458) (#8690) (Victor Hom)
+* b5a70b4 Update: fix multiline binary operator/parentheses indentation (#8719) (Teddy Katz)
+* ab8b016 Update: fix MemberExpression indentation with "off" option (fixes #8721) (#8724) (Teddy Katz)
+* eb5d12c Update: Add Fixer method to Linter API (#8631) (Gyandeep Singh)
+* 26a2daa Chore: Cache fs reads in ignored-paths (fixes #8363) (#8706) (Victor Hom)
+
+v4.0.0 - June 11, 2017
+
+* 4aefb49 Chore: avoid using deprecated rules on ESLint codebase (#8708) (Teddy Katz)
+* 389feba Chore: upgrade deps. (#8684) (薛定谔的猫)
+* 3da7b5e Fix: Semi-Style only check for comments when tokens exist (fixes #8696) (#8697) (Reyad Attiyat)
+* 3cfe9ee Fix: Add space between async and param on fix (fixes #8682) (#8693) (Reyad Attiyat)
+* c702858 Chore: enable no-multiple-empty-lines on ESLint codebase (#8694) (Teddy Katz)
+* 34c4020 Update: Add support for parens on left side for-loops (fixes: #8393) (#8679) (Victor Hom)
+* 735cd09 Docs: Correct the comment in an example for `no-mixed-requires` (#8686) (Fangzhou Li)
+* 026f048 Chore: remove dead code from prefer-const (#8683) (Teddy Katz)
+
+v4.0.0-rc.0 - June 2, 2017
+
+* 0058b0f8 Update: add --fix to no-debugger (#8660) (薛定谔的猫)
+* b4daa225 Docs: Note to --fix option for strict rule (#8680) (Vitaliy Potapov)
+* 4df33e7c Chore: check for root:true in project sooner (fixes #8561) (#8638) (Victor Hom)
+* c9b980ce Build: Add Node 8 on travis (#8669) (Gyandeep Singh)
+* 95248336 Fix: Don't check object destructing in integer property (fixes #8654) (#8657) (flowmemo)
+* c4ac969c Update: fix parenthesized ternary expression indentation (fixes #8637) (#8649) (Teddy Katz)
+* 4f2f9fcb Build: update license checker to allow LGPL (fixes #8647) (#8652) (Teddy Katz)
+* b0c83bd1 Docs: suggest pushing new commits to a PR instead of amending (#8632) (Teddy Katz)
+* d0e9fd2d Fix: Config merge to correctly account for extends (fixes #8193) (#8636) (Gyandeep Singh)
+* 705d88f7 Docs: Update CLA link on Pull Requests page (#8642) (Teddy Katz)
+* 794d4d6c Docs: missing paren on readme (#8640) (Dan Beam)
+* 7ebd9d6f New: array-element-newline rule (fixes #6075) (#8375) (Jan Peer Stöcklmair)
+* f62cff66 Chore: Remove dependency to user-home (fixes #8604) (#8629) (Pavol Madar)
+* 936bc174 Docs: Add missing documentation for scoped modules in sharable config developer-guide (#8610) (Jonathan Samines)
+
+v4.0.0-beta.0 - May 19, 2017
+
+* 2f7015b6 New: semi-style rule (fixes #8169) (#8542) (Toru Nagashima)
+* 1eaef580 Revert "Breaking: Traverse into type annotations (fixes #7129) (#8365)" (#8584) (Kai Cataldo)
+* eb14584a Fix: no-unneeded-ternary change code behavior after fix (fixes #8507) (#8624) (Jan Peer Stöcklmair)
+* 3ec436ee Breaking: New Linter API (fixes #8454) (#8465) (Gyandeep Singh)
+* 3fc9653a Fix: Call expression consistency in variable declaration (fixes #8607) (#8619) (Reyad Attiyat)
+* 5b6093ef Docs: Remove .eslintignore reference to transpiled file filtering (#8622) (Alex Summer)
+* 729bbcdb Chore: Fix lgtm alerts. (#8611) (Max Schaefer)
+* 3418479a Update: improve indent of `flatTernaryExpressions` (fixes #8481) (#8587) (Toru Nagashima)
+* 268d52ef Update: Use sane defaults for JSX indentation (fixes #8425) (#8593) (Teddy Katz)
+* d21f5283 Chore: make shelljs a devDependency instead of a dependency (#8608) (Teddy Katz)
+* 11493781 Docs: Rephrase in about section (#8609) (Sudarsan G P)
+* 23401626 Chore: remove strip-bom dependency (refs #8603) (#8606) (Teddy Katz)
+* a93a2f95 New: padding-line-between-statements rule (fixes #7356) (#8099) (Toru Nagashima)
+* 0ef09ea0 New: for-direction rule (fixes #8387) (#8519) (薛定谔的猫)
+* a73e6c09 Fix: Fix failing uknown node test since #8569 indents class bodies (#8588) (Reyad Attiyat)
+* c6c639d6 Fix: Ignore unknown nodes for Indent rule (fixes #8440) (#8504) (Reyad Attiyat)
+* df17bc87 Fix: object-shorthand crash on some computed keys (fixes #8576) (#8577) (Teddy Katz)
+* 482d5720 New: switch-colon-spacing rule (fixes #7981) (#8540) (Toru Nagashima)
+* afa35c68 Update: check allman-style classes correctly in indent (fixes #8493) (#8569) (Teddy Katz)
+* de0b4ad7 Fix: Indent Ignore Variable Declaration init operator (fixes #8546) (#8563) (Reyad Attiyat)
+* 927ca0dc Fix: invalid syntax from prefer-arrow-callback autofixer (fixes #8541) (#8555) (Teddy Katz)
+* 25db3d22 Chore: avoid skipping test for env overrides (refs #8291) (#8556) (Teddy Katz)
+* 456f519b Update: make indent MemberExpression handling more robust (fixes #8552) (#8554) (Teddy Katz)
+* 873310e5 Fix: run no-unexpected-multiline only if needed (fixes #8550) (#8551) (Ruben Bridgewater)
+* 833a0cad Fix: confusing RuleTester error message when options is not an array (#8557) (Teddy Katz)
+
+v4.0.0-alpha.2 - May 5, 2017
+
+* 74ab344 Update: check allman-style blocks correctly in indent rule (fixes #8493) (#8499) (Teddy Katz)
+* f6256d4 Update: no-extend-native checks global scope refs only (fixes #8461) (#8528) (Kevin Partington)
+* b463045 Docs: add typescript-eslint-parser (#8388) (#8534) (薛定谔的猫)
+* 99c56d5 Update: handle multiline parents consistently in indent (fixes #8455) (#8498) (Teddy Katz)
+* cf940c6 Update: indent `from` tokens in import statements (fixes #8438) (#8466) (Teddy Katz)
+* 0a9a90f Fix: max-len doesn't allow comments longer than code (#8532) (Ken Gregory)
+* 734846b Breaking: validate eslintrc properties (fixes #8213) (#8295) (alberto)
+* 025e97a Chore: delete duplicated test. (#8527) (薛定谔的猫)
+* 6a333ff Upgrade: espree@^3.4.2 (#8526) (Kevin Partington)
+* e52d998 Docs: Configuring Cascading and Hierarchy example correction (#8512) (Cheong Yip)
+* e135aa5 Docs: Correct code of conduct link on Readme.md (#8517) (Zander Mackie)
+* 37e3ba1 Chore: Add license report and scan status (#8503) (Kevin Wang)
+* afbea78 Chore: don't pull default options from eslint:recommended (fixes #8374) (#8381) (Teddy Katz)
+* d49acc3 Update: fix no-self-compare false negative on non-literals (fixes #7677) (#8492) (Teddy Katz)
+* aaa1a81 Fix: avoid creating extra whitespace in brace-style fixer (fixes #7621) (#8491) (Teddy Katz)
+* 9c3da77 Docs: list another related rule in no-undefined (#8467) (Ethan)
+* f987814 Docs: Update CHANGELOG.md for v4.0.0-alpha.1 release (#8488) (Kai Cataldo)
+
+v4.0.0-alpha.1 - April 21, 2017
+
+* b0dadfe3 Docs: Update comments section of Migrating to v4.0.0 (#8486) (Kai Cataldo)
+* b337738f Update: Add `consistent` option to `object-curly-newline` (fixes #6488) (#7720) (Evilebot Tnawi)
+* 53fefb3b Update: add fix for no-confusing-arrow (#8347) (Mordy Tikotzky)
+* 735d02d5 Update: Deprecate sourceCode.getComments() (fixes #8408) (#8434) (Kai Cataldo)
+* ac39e3b0 Update: no-unexpected-multiline to flag confusing division (fixes #8469) (#8475) (Teddy Katz)
+* e35107f0 Fix: indent crash on arrow functions without parens at start of line (#8477) (Teddy Katz)
+* 973adeb6 Docs: State that functions option only applies in ES2017 (fixes #7809) (#8468) (Thenaesh Elango)
+* 7bc6fe0a New: array-bracket-newline rule (#8314) (Jan Peer Stöcklmair)
+* 10a1a2d7 Chore: Do not use cache when testing (#8464) (Kai Cataldo)
+* 9f540fd2 Update: no-unused-vars false negative about destructuring (fixes #8442) (#8459) (Toru Nagashima)
+* 741ed393 Docs: Clarify how to run local ESLint installation (#8463) (Kai Cataldo)
+* fac53890 Breaking: Remove array-callback-return from recommended (fixes #8428) (#8433) (Kai Cataldo)
+* 288c96c1 Upgrade: dependencies (#8304) (alberto)
+* 48700fc8 Docs: Remove extra header line from LICENSE (#8448) (Teddy Katz)
+* 161ee4ea Chore: avoid cloning comments array in TokenStore (#8436) (Teddy Katz)
+* 0c2a386e Docs: clarify new indent behavior with MemberExpressions (#8432) (Teddy Katz)
+* 446b8876 Docs: update space-before-function-paren docs for 4.0 (fixes #8430) (#8431) (Teddy Katz)
+
+v4.0.0-alpha.0 - April 7, 2017
+
+* 950874f Docs: add 4.0.0 migration guide (fixes #8306) (#8313) (Teddy Katz)
+* 2754141 Fix: more autofix token-combining bugs (#8394) (Teddy Katz)
+* f5a7e42 Breaking: log number of fixable problems (fixes #7364) (#8324) (alberto)
+* 769b121 Chore: Fix indentation errors in indent-legacy (#8424) (Kai Cataldo)
+* 8394e48 Update: add deprecated indent-legacy rule as v3.x indent rule snapshot (#8286) (Teddy Katz)
+* 3c87e85 Fix: no-multi-spaces false positive with irregular indent whitespace (#8412) (Teddy Katz)
+* cc53481 Breaking: rewrite indent (fixes #1801, #3737, #3845, #6007, ...16 more) (#7618) (Teddy Katz)
+* 867dd2e Breaking: Calculate leading/trailing comments in core (#7516) (Kai Cataldo)
+* de9f1a0 Docs: ES6 syntax vs globals configuration (fixes #7984) (#8350) (Zander Mackie)
+* 66af53e Breaking: Traverse into type annotations (fixes #7129) (#8365) (Kai Cataldo)
+* 86cf3e4 New: no-buffer-constructor rule (fixes #5614) (#8413) (Teddy Katz)
+* f560c06 Update: fix space-unary-ops behavior with postfix UpdateExpressions (#8391) (Teddy Katz)
+* 936af66 Fix: no-multiple-empty-lines crash on space after last \n (fixes #8401) (#8402) (Teddy Katz)
+* e395919 Breaking: Resolve patterns from .eslintignore directory (fixes #6759) (#7678) (Ian VanSchooten)
+* c778676 Breaking: convert RuleTester to ES6 class (refs #8231) (#8263) (Teddy Katz)
+* 6f7757e Breaking: convert SourceCode to ES6 class (refs #8231) (#8264) (Teddy Katz)
+* 8842d7e Chore: fix comment spacing in tests (#8405) (Teddy Katz)
+* 9a9d916 Breaking: update eslint:recommended for 4.0.0 (fixes #8236) (#8372) (Teddy Katz)
+* b0c63f0 Breaking: infer endLine and endColumn from a reported node (fixes #8004) (#8234) (Teddy Katz)
+* 40b8c69 Breaking: no-multi-spaces check around inline comments (fixes #7693) (#7696) (Kai Cataldo)
+* 034a575 Breaking: convert CLIEngine to ES6 class (refs #8231) (#8262) (Teddy Katz)
+* 7dd890d Breaking: tweak space-before-function-paren default option (fixes #8267) (#8285) (Teddy Katz)
+* 0e0dd27 Breaking: Remove `ecmaFeatures` from `eslint:recommended` (#8239) (alberto)
+* 2fa7502 Breaking: disallow scoped plugin references without scope (fixes #6362) (#8233) (Teddy Katz)
+* 4673f6e Chore: Switch to eslint-scope from escope (#8280) (Corbin Uselton)
+* e232464 Breaking: change defaults for padded-blocks (fixes #7879) (#8134) (alberto)
+
+v3.19.0 - March 31, 2017
+
+* e09132f Fix: no-extra-parens false positive with exports and object literals (#8359) (Teddy Katz)
+* 91baed4 Update: allow custom messages in no-restricted-syntax (fixes #8298) (#8357) (Vitor Balocco)
+* 35c93e6 Fix: prevent space-before-function-paren from checking type annotations (#8349) (Teddy Katz)
+* 3342e9f Fix: don't modify operator precedence in operator-assignment autofixer (#8358) (Teddy Katz)
+* f88375f Docs: clarify that no-unsafe-negation is in eslint:recommended (#8371) (Teddy Katz)
+* 02f0d27 Docs: Add soda0289 to Development Team (#8367) (Kai Cataldo)
+* 155424c Fix: ignore empty path in patterns (fixes #8362) (#8364) (alberto)
+* 27616a8 Fix: prefer-const false positive with object spread (fixes #8187) (#8297) (Vitor Balocco)
+* 8569a90 Docs: add note about git's linebreak handling to linebreak-style docs (#8361) (Teddy Katz)
+* 5878593 Chore: fix invalid syntax in no-param-reassign test (#8360) (Teddy Katz)
+* 1b1046b Fix: don't classify plugins that throw errors as "missing" (fixes #6874) (#8323) (Teddy Katz)
+* 29f4ba5 Fix: no-useless-computed-key invalid autofix for getters and setters (#8335) (Teddy Katz)
+* 0541eaf Fix: no-implicit-coercion invalid autofix with consecutive identifiers (#8340) (Teddy Katz)
+* 41b9786 Fix: no-extra-parens false positive with objects following arrows (#8339) (Teddy Katz)
+* 3146167 Fix: `eslint.verify` should not mutate config argument (fixes #8329) (#8334) (alberto)
+* 927de90 Fix: dot-notation autofix produces invalid syntax for integer properties (#8332) (Teddy Katz)
+* a9d1bea Fix: comma-style autofix produces errors on parenthesized elements (#8331) (Teddy Katz)
+* d52173f Fix: don't generate invalid options in config-rule (#8326) (Teddy Katz)
+* 6eda3b5 Fix: no-extra-parens invalid autofix in for-of statements (#8337) (Teddy Katz)
+* 6c819d8 Fix: dot-notation autofix produces errors on parenthesized computed keys (#8330) (Teddy Katz)
+* 2d883d7 Fix: object-shorthand autofix produces errors on parenthesized functions (#8328) (Teddy Katz)
+* cd9b774 Fix: quotes false positive with backtick option in method names (#8327) (Teddy Katz)
+* d064ba2 Fix: no-else-return false positive for ifs in single-statement position (#8338) (Teddy Katz)
+* 6a718ba Chore: enable max-statements-per-line on ESLint codebase (#8321) (Teddy Katz)
+* 614b62e Chore: update sinon calls to deprecated API. (#8310) (alberto)
+* 0491572 Chore: use precalculated counts in codeframe formatter (#8296) (Vitor Balocco)
+* 8733e6a Chore: Fix incorrect error location properties in tests (#8307) (alberto)
+* c4ffb49 Chore: Fix typos in test option assertions (#8305) (Teddy Katz)
+* 79a97cb Upgrade: devDependencies (#8303) (alberto)
+* e4da200 Upgrade: Mocha to 3.2.0 (#8299) (Ilya Volodin)
+* 2f144ca Fix: operator-assignment autofix errors with parentheses (fixes #8293) (#8294) (Teddy Katz)
+* 7521cd5 Chore: update token logic in rules to use ast-utils (#8288) (Teddy Katz)
+* 9b509ce Chore: refactor space-before-function-paren rule (#8284) (Teddy Katz)
+* ddc6350 Fix: no-param-reassign false positive on destructuring (fixes #8279) (#8281) (Teddy Katz)
+* f8176b3 Chore: improve test coverage for node-event-generator (#8287) (Teddy Katz)
+* 602e9c2 Docs: fix incorrect selector examples (#8278) (Teddy Katz)
+
+v3.18.0 - March 17, 2017
+
+* 85f74ca Fix: broken code path of direct nested loops (fixes #8248) (#8274) (Toru Nagashima)
+* a61c359 Fix: Ignore hidden folders when resolving globs (fixes #8259) (#8270) (Ian VanSchooten)
+* 6f05546 Chore: convert StubModuleResolver in config tests to ES6 class (#8265) (Teddy Katz)
+* 0c0fc31 Fix: false positive of no-extra-parens about spread and sequense (#8275) (Toru Nagashima)
+* e104973 Docs: remove self-reference in no-restricted-syntax docs (#8277) (Vitor Balocco)
+* 23eca51 Update: Add allowTaggedTemplates to no-unused-expressions (fixes #7632) (#8253) (Kevin Partington)
+* f9ede3f Upgrade: doctrine to 2.0.0 (#8269) (alberto)
+* 1b678a6 New: allow rules to listen for AST selectors (fixes #5407) (#7833) (Teddy Katz)
+* 63ca0c5 Chore: use precalculated counts in stylish formatter (#8251) (alberto)
+* 47c3171 Fix: typo in console.error (#8258) (Jan Peer Stöcklmair)
+* e74ed6d Chore: convert Traverser to ES6 class (refs #7849) (#8232) (Teddy Katz)
+* 13eead9 Fix: sort-vars crash on mixed destructuring declarations (#8245) (Teddy Katz)
+* 133f489 Fix: func-name-matching crash on destructuring assignment to functions (#8247) (Teddy Katz)
+* a34b9c4 Fix: func-name-matching crash on non-string literal computed keys (#8246) (Teddy Katz)
+* 7276e6d Docs: remove unneeded semicolons in arrow-parens.md (#8249) (Dmitry Gershun)
+* 8c40a25 concat-stream known to be vulnerable prior 1.5.2 (#8228) (Samuel)
+* 149c055 Upgrade: mock-fs to v4.2.0 (fixes #8194) (#8243) (Teddy Katz)
+* a83bff9 Build: remove unneeded json config in demo (fixes #8237) (#8242) (alberto)
+* df12137 Docs: fix typos (#8235) (Gyandeep Singh)
+* b5e9788 Chore: rename no-extra-parens methods (#8225) (Vitor Balocco)
+* 7f8afe6 Update: no-extra-parens overlooked spread and superClass (fixes #8175) (#8209) (Toru Nagashima)
+* ce6ff56 Docs: set recommended true for no-global-assign (fixes #8215) (#8218) (BinYi LIU)
+* 5b5c236 Fix: wrong comment when module not found in config (fixes #8192) (#8196) (alberto)
+
+v3.17.1 - March 6, 2017
+
+* f8c8e6e Build: change mock-fs path without SSH (fixes #8207) (#8208) (Toru Nagashima)
+* f713f11 Fix: nonblock-statement-body-position multiline error (fixes #8202) (#8203) (Teddy Katz)
+* 41e3d9c Fix: `operator-assignment` with parenthesized expression (fixes #8190) (#8197) (alberto)
+* 5e3bca7 Chore: add eslint-plugin-eslint-plugin (#8198) (Teddy Katz)
+* 580da36 Chore: add missing `output` property to tests (#8195) (alberto)
+
+v3.17.0 - March 3, 2017
+
+* 4fdf6d7 Update: deprecate `applyDefaultPatterns` in `line-comment-position` (#8183) (alberto)
+* 25e5817 Fix: Don't autofix `+ +a` to `++a` in space-unary-ops (#8176) (Alan Pierce)
+* a6ce8f9 Build: Sort rules before dumping them to doc files (#8154) (Danny Andrews)
+* 0af9057 Chore: Upgrade to a patched version of mock-fs (fixes #8177) (#8188) (Teddy Katz)
+* bf4d8cf Update: ignore eslint comments in lines-arount-comment (fixes #4345) (#8155) (alberto)
+* dad20ad New: add SourceCode#getLocFromIndex and #getIndexFromLoc (fixes #8073) (#8158) (Teddy Katz)
+* 18a519f Update: let RuleTester cases assert that no autofix occurs (fixes #8157) (#8163) (Teddy Katz)
+* a30eb8d Docs: improve documentation for RuleTester cases (#8162) (Teddy Katz)
+* a78ec9f Chore: upgrade `coveralls` to ^2.11.16 (#8161) (alberto)
+* d02bd11 Fix: padded-blocks autofix problems with comments (#8149) (alberto)
+* 9994889 Docs: Add missing space to `create` in `no-use-before-define` (#8166) (Justin Anastos)
+* 4d542ba Docs: Remove unneeded statement about autofix (#8164) (alberto)
+* 20daea5 New: no-compare-neg-zero rule (#8091) (薛定谔的猫)
+* 4d35a81 Fix: Add a utility to avoid autofix conflicts (fixes #7928, fixes #8026) (#8067) (Alan Pierce)
+* 287e882 New: nonblock-statement-body-position rule (fixes #6067) (#8108) (Teddy Katz)
+* 7f1f4e5 Chore: remove unneeded devDeps `linefix` and `gh-got` (#8160) (alberto)
+* ca1694b Update: ignore negative ranges in fixes (#8133) (alberto)
+* 163d751 Docs: `lines-around-comment` doesn't disallow empty lines (#8151) (alberto)
+* 1c84922 Chore: upgrade eslint-plugin-node (#8156) (alberto)
+* 1ee5c27 Fix: Make RuleTester handle empty-string cases gracefully (fixes #8142) (#8143) (Teddy Katz)
+* 044bc10 Docs: Add details about "--fix" option for "sort-imports" rule (#8077) (Olivier Audard)
+* 3fec54a Add option to ignore property in no-param-reassign (#8087) (Christian Bundy)
+* 4e52cfc Fix: Improve keyword-spacing typescript support (fixes #8110) (#8111) (Reyad Attiyat)
+* 7ff42e8 New: Allow regexes in RuleTester (fixes #7837) (#8115) (Daniel Lo Nigro)
+* cbd7ded Build: display rules’ meta data in their docs (fixes #5774) (#8127) (Wilson Kurniawan)
+* da8e8af Update: include function name in report message if possible (fixes #7260) (#8058) (Dieter Luypaert)
+* 8f91e32 Fix: `ignoreRestSiblings` option didn't cover arguments (fixes #8119) (#8120) (Toru Nagashima)
+
+v3.16.1 - February 22, 2017
+
+* ff8a80c Fix: duplicated autofix output for inverted fix ranges (fixes #8116) (#8117) (Teddy Katz)
+* a421897 Docs: fix typo in arrow-parens.md (#8132) (Will Chen)
+* 22d7fbf Chore: fix invalid redeclared variables in tests (#8130) (Teddy Katz)
+* 8d95598 Chore: fix output assertion typos in rule tests (#8129) (Teddy Katz)
+* 9fa2559 Docs: Add missing quotes in key-spacing rule (#8121) (Glenn Reyes)
+* f3a6ced Build: package.json update for eslint-config-eslint release (ESLint Jenkins)
+
+v3.16.0 - February 20, 2017
+
+* d89d0b4 Update: fix quotes false negative for string literals as template tags (#8107) (Teddy Katz)
+* 21be366 Chore: Ensuring eslint:recommended rules are sorted. (#8106) (Kevin Partington)
+* 360dbe4 Update: Improve error message when extend config missing (fixes #6115) (#8100) (alberto)
+* f62a724 Chore: use updated token iterator methods (#8103) (Kai Cataldo)
+* daf6f26 Fix: check output in RuleTester when errors is a number (fixes #7640) (#8097) (alberto)
+* cfb65c5 Update: make no-lone-blocks report blocks in switch cases (fixes #8047) (#8062) (Teddy Katz)
+* 290fb1f Update: Add includeComments to getTokenByRangeStart (fixes #8068) (#8069) (Kai Cataldo)
+* ff066dc Chore: Incorrect source code test text (#8096) (Jack Ford)
+* 14d146d Docs: Clarify --ext only works with directories (fixes #7939) (#8095) (alberto)
+* 013a454 Docs: Add TSC meeting quorum requirement (#8086) (Kevin Partington)
+* 7516303 Fix: `sourceCode.getTokenAfter` shouldn't skip tokens after comments (#8055) (Toru Nagashima)
+* c53e034 Fix: unicode-bom fixer insert BOM in appropriate location (fixes #8083) (#8084) (pantosha)
+* 55ac302 Chore: fix the timing to define rules for tests (#8082) (Toru Nagashima)
+* c7e64f3 Upgrade: mock-fs (#8070) (Toru Nagashima)
+* acc3301 Update: handle uncommon linebreaks consistently in rules (fixes #7949) (#8049) (Teddy Katz)
+* 591b74a Chore: enable operator-linebreak on ESLint codebase (#8064) (Teddy Katz)
+* 6445d2a Docs: Add documentation for /* exported */ (fixes #7998) (#8065) (Lee Yi Min)
+* fcc38db Chore: simplify and improve performance for autofix (#8035) (Toru Nagashima)
+* b04fde7 Chore: improve performance of SourceCode constructor (#8054) (Teddy Katz)
+* 90fd555 Update: improve null detection in eqeqeq for ES6 regexes (fixes #8020) (#8042) (Teddy Katz)
+* 16248e2 Fix: no-extra-boolean-cast incorrect Boolean() autofixing (fixes #7977) (#8037) (Jonathan Wilsson)
+* 834f45d Update: rewrite TokenStore (fixes #7810) (#7936) (Toru Nagashima)
+* 329dcdc Chore: unify checks for statement list parents (#8048) (Teddy Katz)
+* c596690 Docs: Clarify generator-star-spacing config example (fixes #8027) (#8034) (Hòa Trần)
+* a11d4a6 Docs: fix a typo in shareable configs documentation (#8036) (Dan Homola)
+* 1e3d4c6 Update: add fixer for no-unused-labels (#7841) (Teddy Katz)
+* f47fb98 Update: ensure semi-spacing checks import/export declarations (#8033) (Teddy Katz)
+* e228d56 Update: no-undefined handles properties/classes/modules (fixes #7964) (#7966) (Kevin Partington)
+* 7bc92d9 Chore: fix invalid test cases (#8030) (Toru Nagashima)
+
+v3.15.0 - February 3, 2017
+
+* f2a3580 Fix: `no-extra-parens` incorrect precedence (fixes #7978) (#7999) (alberto)
+* d6b6ba1 Fix: no-var should fix ForStatement.init (#7993) (Toru Nagashima)
+* 99d386d Upgrade: Espree v3.4.0 (#8019) (Kai Cataldo)
+* 42390fd Docs: update README.md for team (#8016) (Toru Nagashima)
+* d7ffd88 Chore: enable template-tag-spacing on ESLint codebase (#8005) (Teddy Katz)
+* f2be7e3 Docs: Fix typo in object-curly-newline.md (#8002) (Danny Andrews)
+* df2351a Docs: Fix misleading section in brace-style documentation (#7996) (Teddy Katz)
+* 5ae6e00 Chore: avoid unnecessary feature detection for Symbol (#7992) (Teddy Katz)
+* 5d57c57 Chore: fix no-else-return lint error (refs #7986) (#7994) (Vitor Balocco)
+* 62fb054 Chore: enable no-else-return on ESLint codebase (#7986) (Teddy Katz)
+* c59a0ba Update: add ignoreRestSiblings option to no-unused-vars (#7968) (Zack Argyle)
+* 5cdfa99 Chore: enable no-unneeded-ternary on ESLint codebase (#7987) (Teddy Katz)
+* fbd7c13 Update: ensure operator-assignment handles exponentiation operators (#7970) (Teddy Katz)
+* c5066ce Update: add "variables" option to no-use-before-define (fixes #7111) (#7948) (Teddy Katz)
+* 09546a4 New: `template-tag-spacing` rule (fixes #7631) (#7913) (Jonathan Wilsson)
+
+v3.14.1 - January 25, 2017
+
+* 791f32b Fix: brace-style false positive for keyword method names (fixes #7974) (#7980) (Teddy Katz)
+* d7a0add Docs: Add ESLint tutorial embed to getting started (#7971) (Jamis Charles)
+* 72d41f0 Fix: no-var autofix syntax error in single-line statements (fixes #7961) (#7962) (Teddy Katz)
+* b9e5b68 Fix: indent rule crash on sparse array with object (fixes #7959) (#7960) (Gyandeep Singh)
+* a7bd66a Chore: Adding assign/redeclare tests to no-undefined (refs #7964) (#7965) (Kevin Partington)
+* 8bcbf5d Docs: typo in prefer-promise-reject-errors (#7958) (Patrick McElhaney)
+
+v3.14.0 - January 20, 2017
+
+* 506324a Fix: `no-var` does not fix if causes ReferenceError (fixes #7950) (#7953) (Toru Nagashima)
+* 05e7432 New: no-chained-assignments rule (fixes #6424) (#7904) (Stewart Rand)
+* 243e47d Update: Add fixer for no-else-return (fixes #7863) (#7864) (Xander Dumaine)
+* f091d95 New: `prefer-promise-reject-errors` rule (fixes #7685) (#7689) (Teddy Katz)
+* ca01e00 Fix: recognize all line terminators in func-call-spacing (fixes #7923) (#7924) (Francesco Trotta)
+* a664e8a Update: add ignoreJSX option to no-extra-parens (Fixes #7444) (#7926) (Robert Rossmann)
+* 8ac3518 Fix: no-useless-computed-key false positive with `__proto__` (#7934) (Teddy Katz)
+* c835e19 Docs: remove reference to deleted rule (#7942) (Alejandro Oviedo)
+* 3c1e63b Docs: Improve examples for no-case-declarations (fixes #6716) (#7920) (Kevin Rangel)
+* 7e04b33 Fix: Ignore inline plugin rule config in autoconfig (fixes #7860) (#7919) (Ian VanSchooten)
+* 6448ba0 Fix: add parentheses in no-extra-boolean-cast autofixer (fixes #7912) (#7914) (Szymon Przybylski)
+* b3f2094 Fix: brace-style crash with lone block statements (fixes #7908) (#7909) (Teddy Katz)
+* 5eb2e88 Docs: Correct typos in configuring.md (#7916) (Gabriel Delépine)
+* bd5e219 Update: ensure brace-style validates class bodies (fixes #7608) (#7871) (Teddy Katz)
+* 427543a Fix: catastrophic backtracking in astUtils linebreak regex (fixes #7893) (#7898) (Teddy Katz)
+* 995554c Fix: Correct typos in no-alert.md and lib/ast-utils.js (#7905) (Stewart Rand)
+* d6150e3 Chore: Enable comma-dangle on ESLint codebase (fixes #7725) (#7906) (Teddy Katz)
+* 075ec25 Chore: update to use ES6 classes (refs #7849) (#7891) (Claire Dranginis)
+* 55f0cb6 Update: refactor brace-style and fix inconsistencies (fixes #7869) (#7870) (Teddy Katz)
+
+v3.13.1 - January 9, 2017
+
+* 3fc4e3f Fix: prefer-destructuring reporting compound assignments (fixes #7881) (#7882) (Teddy Katz)
+* f90462e Fix: no-extra-label autofix should not remove labels used elsewhere (#7885) (Teddy Katz)
+
+v3.13.0 - January 6, 2017
+
+* cd4c025 Update: add fixer for no-extra-label (#7840) (Teddy Katz)
+* aa75c92 Fix: Ensure prefer-const fixes destructuring assignments (fixes #7852) (#7859) (Teddy Katz)
+* 4008022 Chore: Refactor to use ES6 Classes (Part 3)(refs #7849) (#7865) (Gyandeep Singh)
+* c9ba40a Update: add fixer for `no-unneeded-ternary` (#7540) (Teddy Katz)
+* dd56d87 Update: add object-shorthand option for arrow functions (fixes #7564) (#7746) (Teddy Katz)
+* fbafdc0 Docs: `padded-blocks` `never` case (fixes #7868) (#7878) (alberto)
+* ca1f841 Fix: no-useless-return stack overflow on loops after throw (fixes #7855) (#7856) (Teddy Katz)
+* d80d994 Update: add fixer for object-property-newline (fixes #7740) (#7808) (Teddy Katz)
+* bf3ea3a Fix: capitalized-comments: Ignore consec. comments if first is invalid (#7835) (Kevin Partington)
+* 616611a Chore: Refactor to use ES6 Classes (Part 2)(refs #7849) (#7847) (Gyandeep Singh)
+* 856084b Chore: Refactor to use ES6 Classes (Part 1)(refs #7849) (#7846) (Gyandeep Singh)
+* bf45893 Docs: Clarify that we only support Stage 4 proposals (#7845) (Kevin Partington)
+* 0fc24f7 Fix: adapt new-paren rule so it handles TypeScript (fixes #7817) (#7820) (Philipp A)
+* df0b06b Fix: no-multiple-empty-lines perf issue on large files (fixes #7803) (#7843) (Teddy Katz)
+* 18fa521 Chore: use ast-utils helper functions in no-multiple-empty-lines (#7842) (Teddy Katz)
+* 7122205 Docs: Array destructuring example for no-unused-vars (fixes #7838) (#7839) (Remco Haszing)
+* e21b36b Chore: add integration tests for cache files (refs #7748) (#7794) (Teddy Katz)
+* 2322733 Fix: Throw error if ruletester is missing required test scenarios (#7388) (Teddy Katz)
+* 1beecec Update: add fixer for `operator-linebreak` (#7702) (Teddy Katz)
+* c5c3b21 Fix: no-implied-eval false positive on 'setTimeoutFoo' (fixes #7821) (#7836) (Teddy Katz)
+* 00dd96c Chore: enable array-bracket-spacing on ESLint codebase (#7830) (Teddy Katz)
+* ebcae1f Update: no-return-await with with complex `return` argument (fixes #7594) (#7595) (Dalton Santos)
+* fd4cd3b Fix: Disable no-var autofixer in some incorrect cases in loops (#7811) (Alan Pierce)
+* 1f25834 Docs: update outdated info in Architecture page (#7816) (Teddy Katz)
+* f20b9e9 Fix: Relax no-useless-escape's handling of ']' in regexes (fixes #7789) (#7793) (Teddy Katz)
+* 3004c1e Fix: consistent-return shouldn't report class constructors (fixes #7790) (#7797) (Teddy Katz)
+* b938f1f Docs: Add an example for the spread operator to prefer-spread.md (#7802) (#7804) (butlermd)
+* b8ce2dc Docs: Remove .html extensions from links in developer-guide (#7805) (Kevin Partington)
+* aafebb2 Docs: Wrap placeholder sample in {% raw %} (#7798) (Daniel Lo Nigro)
+* bb6b73b Chore: replace unnecessary function callbacks with arrow functions (#7795) (Teddy Katz)
+* 428fbdf Fix: func-call-spacing "never" doesn't fix w/ line breaks (fixes #7787) (#7788) (Kevin Partington)
+* 6e61070 Fix: `semi` false positive before regex/template literals (fixes #7782) (#7783) (Teddy Katz)
+* ff0c050 Fix: remove internal property from config generation (fixes #7758) (#7761) (alberto)
+* 27424cb New: `prefer-destructuring` rule (fixes #6053) (#7741) (Alex LaFroscia)
+* bb648ce Docs: fix unclear example for no-useless-escape (#7781) (Teddy Katz)
+* 8c3a962 Fix: syntax errors from object-shorthand autofix (fixes #7744) (#7745) (Teddy Katz)
+* 8b296a2 Docs: fix in semi.md: correct instead of incorrect (#7779) (German Prostakov)
+* 3493241 Upgrade: strip-json-comments ~v2.0.1 (Janus Troelsen)
+* 75b7ba4 Chore: enable object-curly-spacing on ESLint codebase (refs #7725) (#7770) (Teddy Katz)
+* 7d1dc7e Update: Make default-case comment case-insensitive (fixes #7673) (#7742) (Robert Rossmann)
+* f1bf5ec Chore: convert remaining old-style context.report() calls to the new API (#7763) (Teddy Katz)
+
+v3.12.2 - December 14, 2016
+
+* dec3ec6 Fix: indent bug with AssignmentExpressions (fixes #7747) (#7750) (Teddy Katz)
+* 5344751 Build: Don't create blogpost links from rule names within other words (#7754) (Teddy Katz)
+* 639b798 Docs: Use `Object.prototype` in examples (#7755) (Alex Reardon)
+
+v3.12.1 - December 12, 2016
+
+* 0ad4d33 Fix: `indent` regression with function calls (fixes #7732, fixes #7733) (#7734) (Teddy Katz)
+* ab246dd Docs: Rules restricting globals/properties/syntax are linked together (#7743) (Kevin Partington)
+* df2f115 Docs: Add eslint-config-mdcs to JSCS Migration Guide (#7737) (Joshua Koo)
+* 4b77333 Build: avoid creating broken rule links in the changelog (#7731) (Teddy Katz)
+
+v3.12.0 - December 9, 2016
+
+* e569225 Update: fix false positive/negative of yoda rule (fixes #7676) (#7695) (Toru Nagashima)
+* e95a230 Fix: indent "first" option false positive on nested arrays (fixes #7727) (#7728) (Teddy Katz)
+* 81f9e7d Fix: Allow duplicated let declarations in `prefer-const` (fixes #7712) (#7717) (Teddy Katz)
+* 1d0d61d New: Add no-await-in-loop rule (#7563) (Nat Mote)
+* 2cdfb4e New: Additional APIs (fixes #6256) (#7669) (Ilya Volodin)
+* 4278c42 Update: make no-obj-calls report errors for Reflect (fixes #7700) (#7710) (Tomas Echeverri Valencia)
+* 4742d82 Docs: clarify the default behavior of `operator-linebreak` (fixes #7459) (#7726) (Teddy Katz)
+* a8489e2 Chore: Avoid parserOptions boilerplate in tests for ES6 rules (#7724) (Teddy Katz)
+* b921d1f Update: add `indent` options for array and object literals (fixes #7473) (#7681) (Teddy Katz)
+* 7079c89 Update: Add airbnb-base to init styleguides (fixes #6986) (#7699) (alberto)
+* 63bb3f8 Docs: improve the documentation for the autofix API (#7716) (Teddy Katz)
+* f8786fb Update: add fixer for `capitalized-comments` (#7701) (Teddy Katz)
+* abfd24f Fix: don't validate schemas for disabled rules (fixes #7690) (#7692) (Teddy Katz)
+* 2ac07d8 Upgrade: Update globals dependency to 9.14.0 (#7683) (Aleksandr Oleynikov)
+* 90a5d29 Docs: Remove incorrect info about issue requirements from PR guide (#7691) (Teddy Katz)
+* f80c278 Docs: Add sails-hook-lint to integrations list (#7679) (Anthony M)
+* e96da3f Docs: link first instance of `package.json` (#7684) (Kent C. Dodds)
+* bf20e20 Build: include links to rule pages in release blogpost (#7671) (Teddy Katz)
+* b30116c Docs: Fix code-blocks in spaced-comment docs (#7524) (Michał Gołębiowski)
+* 0a2a7fd Fix: Allow \u2028 and \u2029 as string escapes in no-useless-escape (#7672) (Teddy Katz)
+* 76c33a9 Docs: Change Sails.js integration to active npm package (#7675) (Anthony M)
+
+v3.11.1 - November 28, 2016
+
+* be739d0 Fix: capitalized-comments fatal error fixed (fixes #7663) (#7664) (Rich Trott)
+* cc4cedc Docs: Fix a typo in array-bracket-spacing documentation (#7667) (Alex Guerrero)
+* f8adadc Docs: fix a typo in capitalized-comments documentation (#7666) (Teddy Katz)
+
+v3.11.0 - November 25, 2016
+
+* ad56694 New: capitalized-comments rule (fixes #6055) (#7415) (Kevin Partington)
+* 7185567 Update: add fixer for `operator-assignment` (#7517) (Teddy Katz)
+* faf5f56 Update: fix false negative of `quotes` with \n in template (fixes #7646) (#7647) (Teddy Katz)
+* 474e444 Update: add fixer for `sort-imports` (#7535) (Teddy Katz)
+* f9b70b3 Docs: Enable example highlighting in rules examples (ref #6444) (#7644) (Alex Guerrero)
+* d50f6c1 Fix: incorrect location for `no-useless-escape` errors (fixes #7643) (#7645) (Teddy Katz)
+* 54a993c Docs: Fix a typo in the require-yield.md (#7652) (Vse Mozhet Byt)
+* eadd808 Chore: Fix prefer-arrow-callback lint errors (#7651) (Kevin Partington)
+* 89bd8de New: `require-await` rule (fixes #6820) (#7435) (Toru Nagashima)
+* b7432bd Chore: Ensure JS files are checked out with LF (#7624) (Kevin Partington)
+* 32a3547 Docs: Add absent quotes in rules documentation (#7625) (Denis Sikuler)
+* 5c9a4ad Fix: Prevent `quotes` from fixing templates to directives (fixes #7610) (#7617) (Teddy Katz)
+* d90ca46 Upgrade: Update markdownlint dependency to 0.3.1 (fixes #7589) (#7592) (David Anson)
+* 07124d1 Docs: add missing quote mark (+=" → "+=") (#7613) (Sean Juarez)
+* 8998043 Docs: fix wording in docs for no-extra-parens config (Michael Ficarra)
+
+v3.10.2 - November 15, 2016
+
+* 0643bfe Fix: correctly handle commented code in `indent` autofixer (fixes #7604) (#7606) (Teddy Katz)
+* bd0514c Fix: syntax error after `key-spacing` autofix with comment (fixes #7603) (#7607) (Teddy Katz)
+* f56c1ef Fix: `indent` crash on parenthesized global return values (fixes #7573) (#7596) (Teddy Katz)
+* 100c6e1 Docs: Fix example for curly "multi-or-nest" option (#7597) (Will Chen)
+* 6abb534 Docs: Update code of conduct link (#7599) (Nicholas C. Zakas)
+* 8302cdb Docs: Update no-tabs to match existing standards & improve readbility (#7590) (Matt Stow)
+
+v3.10.1 - November 14, 2016
+
+* 8a0e92a Fix: handle try/catch correctly in `no-return-await` (fixes #7581) (#7582) (Teddy Katz)
+* c4dd015 Fix: no-useless-return stack overflow on unreachable loops (fixes #7583) (#7584) (Teddy Katz)
+
+v3.10.0 - November 11, 2016
+
+* 7ee039b Update: Add comma-style options for calls, fns, imports (fixes #7470) (Max Englander)
+* 670e060 Chore: make the `object-shorthand` tests more readable (#7580) (Teddy Katz)
+* c3f4809 Update: Allow `func-names` to recognize inferred ES6 names (fixes #7235) (#7244) (Logan Smyth)
+* b8d6e48 Fix: syntax errors created by `object-shorthand` autofix (fixes #7574) (#7575) (Teddy Katz)
+* 1b3b65c Chore: ensure that files in tests/conf are linted (#7579) (Teddy Katz)
+* 2bd1dd7 Update: avoid creating extra whitespace in `arrow-body-style` fixer (#7504) (Teddy Katz)
+* 66fe9ff New: `no-return-await` rule. (fixes #7537) (#7547) (Jordan Harband)
+* 759525e Chore: Use process.exitCode instead of process.exit() in bin/eslint.js (#7569) (Teddy Katz)
+* 0d60db7 Fix: Curly rule doesn't account for leading comment (fixes #7538) (#7539) (Will Chen)
+* 5003b1c Update: fix in/instanceof handling with `space-infix-ops` (fixes #7525) (#7552) (Teddy Katz)
+* 3e6131e Docs: explain config option merging (#7499) (Danny Andrews)
+* 1766524 Update: "Error type should be" assertion in rule-tester (fixes 6106) (#7550) (Frans Jaspers)
+* 44eb274 Docs: Missing semicolon report was missing a comma (#7553) (James)
+* 6dbda15 Docs: Document the optional defaults argument for RuleTester (#7548) (Teddy Katz)
+* e117b80 Docs: typo fix (#7546) (oprogramador)
+* 25e5613 Chore: Remove incorrect test from indent.js. (#7531) (Scott Stern)
+* c0f4937 Fix: `arrow-parens` supports type annotations (fixes #7406) (#7436) (Toru Nagashima)
+* a838b8e Docs: `func-name-matching`: update with “always”/“never” option (#7536) (Jordan Harband)
+* 3c379ff Update: `no-restricted-{imports,modules}`: add “patterns” (fixes #6963) (#7433) (Jordan Harband)
+* f5764ee Docs: Update example of results returned from `executeOnFiles` (#7362) (Simen Bekkhus)
+* 4613ba0 Fix: Add support for escape char in JSX. (#7461) (Scott Stern)
+* ea0970d Fix: `curly` false positive with no-semicolon style (#7509) (Teddy Katz)
+* af1fde1 Update: fix `brace-style` false negative on multiline node (fixes #7493) (#7496) (Teddy Katz)
+* 3798aea Update: max-statements to report function name (refs #7260) (#7399) (Nicholas C. Zakas)
+* 0c215fa Update: Add `ArrowFunctionExpression` support to `require-jsdoc` rule (#7518) (Gyandeep Singh)
+* 578c373 Build: handle deprecated rules with no 'replacedBy' (refs #7471) (#7494) (Vitor Balocco)
+* a7f3976 Docs: Specify min ESLint version for new rule format (#7501) (cowchimp)
+* 8a3e717 Update: Fix `lines-around-directive` semicolon handling (fixes #7450) (#7483) (Teddy Katz)
+* e58cead Update: add a fixer for certain statically-verifiable `eqeqeq` cases (#7389) (Teddy Katz)
+* 0dea0ac Chore: Add Node 7 to travis ci build (#7506) (Gyandeep Singh)
+* 36338f0 Update: add fixer for `no-extra-boolean-cast` (#7387) (Teddy Katz)
+* 183def6 Chore: enable `prefer-arrow-callback` on ESLint codebase (fixes #6407) (#7503) (Teddy Katz)
+* 4f1fa67 Docs: Update copyright (#7497) (Nicholas C. Zakas)
+
+v3.9.1 - October 31, 2016
+
+* 2012258 Fix: incorrect `indent` check for array property access (fixes #7484) (#7485) (Teddy Katz)
+* 8a71d4a Fix: `no-useless-return` false positive on conditionals (fixes #7477) (#7482) (Teddy Katz)
+* 56a662b Fix: allow escaped backreferences in `no-useless-escape` (fixes #7472) (#7474) (Teddy Katz)
+* fffdf13 Build: Fix prefer-reflect rule to not crash site gen build (#7471) (Ilya Volodin)
+* 8ba68a3 Docs: Update broken link (#7490) (Devinsuit)
+* 65231d8 Docs: add the "fixable" icon for `no-useless-return` (#7480) (Teddy Katz)
+
+v3.9.0 - October 28, 2016
+
+* d933516 New: `no-useless-return` rule (fixes #7309) (#7441) (Toru Nagashima)
+* 5e7af30 Update: Add `CallExpression` option for `indent` (fixes #5946) (#7189) (Teddy Katz)
+* b200086 Fix: Support type annotations in array-bracket-spacing (#7445) (Jimmy Jia)
+* 5ed8b9b Update: Deprecate prefer-reflect (fixes #7226) (#7464) (Kai Cataldo)
+* 92ad43b Chore: Update deprecated rules in conf/eslint.json (#7467) (Kai Cataldo)
+* e46666b New: Codeframe formatter (fixes #5860) (#7437) (Vitor Balocco)
+* fe0d903 Upgrade: Shelljs to ^0.7.5 (fixes #7316) (#7465) (Gyandeep Singh)
+* 1d5146f Update: fix wrong indentation about `catch`,`finally` (#7371) (Toru Nagashima)
+* 77e3a34 Chore: Pin mock-fs dev dependency (#7466) (Gyandeep Singh)
+* c675d7d Update: Fix `no-useless-escape` false negative in regexes (fixes #7424) (#7425) (Teddy Katz)
+* ee3bcea Update: add fixer for `newline-after-var` (fixes #5959) (#7375) (Teddy Katz)
+* 6e9ff08 Fix: indent.js to support multiline array statements. (#7237) (Scott Stern)
+* f8153ad Build: Ensure absolute links in docs retain .md extensions (fixes #7419) (#7438) (Teddy Katz)
+* 16367a8 Fix: Return statement spacing. Fix for indent rule. (fixes #7164) (#7197) (Imad Elyafi)
+* 3813988 Update: fix false negative of `no-extra-parens` (fixes #7122) (#7432) (Toru Nagashima)
+* 23062e2 Docs: Fix typo in no-unexpected-multiline (fixes #7442) (#7447) (Denis Sikuler)
+* d257428 Update: `func-name-matching`: add “always”/“never” option (fixes #7391) (#7428) (Jordan Harband)
+* c710584 Fix: support for MemberExpression with function body. (#7400) (Scott Stern)
+* 2c8ed2d Build: ensure that all files are linted on bash (fixes #7426) (#7427) (Teddy Katz)
+* 18ff70f Chore: Enable `no-useless-escape` (#7403) (Vitor Balocco)
+* 8dfd802 Fix: avoid `camelcase` false positive with NewExpressions (fixes #7363) (#7409) (Teddy Katz)
+* e8159b4 Docs: Fix typo and explain static func calls for class-methods-use-this (#7421) (Scott O'Hara)
+* 85d7e24 Docs: add additional examples for MemberExpressions in Indent rule. (#7408) (Scott Stern)
+* 2aa1107 Docs: Include note on fatal: true in the node.js api section (#7376) (Simen Bekkhus)
+* e064a25 Update: add fixer for `arrow-body-style` (#7240) (Teddy Katz)
+* e0fe727 Update: add fixer for `brace-style` (fixes #7074) (#7347) (Teddy Katz)
+* cbbe420 New: Support enhanced parsers (fixes #6974) (#6975) (Nicholas C. Zakas)
+* 644d25b Update: Add an ignoreRegExpLiterals option to max-len (fixes #3229) (#7346) (Wilfred Hughes)
+* 6875576 Docs: Remove broken links to jslinterrors.com (fixes #7368) (#7369) (Dannii Willis)
+
+v3.8.1 - October 17, 2016
+
+* 681c78a Fix: `comma-dangle` was confused by type annotations (fixes #7370) (#7372) (Toru Nagashima)
+* 7525042 Fix: Allow useless escapes in tagged template literals (fixes #7383) (#7384) (Teddy Katz)
+* 9106964 Docs: Fix broken link for stylish formatter (#7386) (Vitor Balocco)
+* 49d3c1b Docs: Document the deprecated meta property (#7367) (Randy Coulman)
+* 19d2996 Docs: Relax permission for merging PRs (refs eslint/tsc-meetings#20) (#7360) (Brandon Mills)
+
+v3.8.0 - October 14, 2016
+
+* ee60acf Chore: add integration tests for autofixing (fixes #5909) (#7349) (Teddy Katz)
+* c8796e9 Update: `comma-dangle` supports trailing function commas (refs #7101) (#7181) (Toru Nagashima)
+* c4abaf0 Update: `space-before-function-paren` supports async/await (refs #7101) (#7180) (Toru Nagashima)
+* d0d3b28 Fix: id-length rule incorrectly firing on member access (fixes #6475) (#7365) (Burak Yiğit Kaya)
+* 2729d94 Fix: Don't report setter params in class bodies as unused (fixes #7351) (#7352) (Teddy Katz)
+* 0b85004 Chore: Enable prefer-template (fixes #6407) (#7357) (Kai Cataldo)
+* ca1947b Chore: Update pull request template (refs eslint/tsc-meetings#20) (#7359) (Brandon Mills)
+* d840afe Docs: remove broken link from no-loop-func doc (#7342) (Michael McDermott)
+* 5266793 Update: no-useless-escape checks template literals (fixes #7331) (#7332) (Kai Cataldo)
+* b08fb91 Update: add source property to LintResult object (fixes #7098) (#7304) (Vitor Balocco)
+* 0db4164 Chore: run prefer-template autofixer on test files (refs #6407) (#7354) (Kai Cataldo)
+* c1470b5 Update: Make the `prefer-template` fixer unescape quotes (fixes #7330) (#7334) (Teddy Katz)
+* 5d08c33 Fix: Handle parentheses correctly in `yoda` fixer (fixes #7326) (#7327) (Teddy Katz)
+* cd72bba New: `func-name-matching` rule (fixes #6065) (#7063) (Annie Zhang)
+* 55b5146 Fix: `RuleTester` didn't support `mocha --watch` (#7287) (Toru Nagashima)
+* f8387c1 Update: add fixer for `prefer-spread` (#7283) (Teddy Katz)
+* 52da71e Fix: Don't require commas after rest properties (fixes #7297) (#7298) (Teddy Katz)
+* 3b11d3f Chore: refactor `no-multiple-empty-lines` (#7314) (Teddy Katz)
+* 16d495d Docs: Updating CLI overview with latest changes (#7335) (Kevin Partington)
+* 52dfce5 Update: add fixer for `one-var-declaration-per-line` (#7295) (Teddy Katz)
+* 0e994ae Update: Improve the error messages for `no-unused-vars` (fixes #7282) (#7315) (Teddy Katz)
+* 93214aa Chore: Convert non-lib/test files to template literals (refs #6407) (#7329) (Kai Cataldo)
+* 72f394d Update: Fix false negative of `no-multiple-empty-lines` (fixes #7312) (#7313) (Teddy Katz)
+* 756bc5a Update: Use characters instead of code units for `max-len` (#7299) (Teddy Katz)
+* c9a7ec5 Fix: Improving optionator configuration for --print-config (#7206) (Kevin Partington)
+* 51bfade Fix: avoid `object-shorthand` crash with spread properties (fixes #7305) (#7306) (Teddy Katz)
+* a12d1a9 Update: add fixer for `no-lonely-if` (#7202) (Teddy Katz)
+* 1418384 Fix: Don't require semicolons before `++`/`--` (#7252) (Adrian Heine né Lang)
+* 2ffe516 Update: add fixer for `curly` (#7105) (Teddy Katz)
+* ac3504d Update: add functionPrototypeMethods to wrap-iife (fixes #7212) (#7284) (Eli White)
+* 5e16fb4 Update: add fixer for `no-extra-bind` (#7236) (Teddy Katz)
+
+v3.7.1 - October 3, 2016
+
+* 3dcae13 Fix: Use the correct location for `comma-dangle` errors (fixes #7291) (#7292) (Teddy Katz)
+* cb7ba6d Fix: no-implicit-coercion should not fix ~. (fixes #7272) (#7289) (Eli White)
+* ce590e2 Chore: Add additional tests for bin/eslint.js (#7290) (Teddy Katz)
+* 8ec82ee Docs: change links of templates to raw data (#7288) (Toru Nagashima)
+
+v3.7.0 - September 30, 2016
+
+* 2fee8ad Fix: object-shorthand's consistent-as-needed option (issue #7214) (#7215) (Naomi Jacobs)
+* c05a19c Update: add fixer for `prefer-numeric-literals` (#7205) (Teddy Katz)
+* 2f171f3 Update: add fixer for `no-undef-init` (#7210) (Teddy Katz)
+* 876d747 Docs: Steps for adding new committers/TSCers (#7221) (Nicholas C. Zakas)
+* dffb4fa Fix: `no-unused-vars` false positive (fixes #7250) (#7258) (Toru Nagashima)
+* 4448cec Docs: Adding missing ES8 reference to configuring (#7271) (Kevin Partington)
+* 332d213 Update: Ensure `indent` handles nested functions correctly (fixes #7249) (#7265) (Teddy Katz)
+* c36d842 Update: add fixer for `no-useless-computed-key` (#7207) (Teddy Katz)
+* 18376cf Update: add fixer for `lines-around-directive` (#7217) (Teddy Katz)
+* f8e8fab Update: add fixer for `wrap-iife` (#7196) (Teddy Katz)
+* 558b444 Docs: Add @not-an-aardvark to development team (#7279) (Ilya Volodin)
+* cd1dc57 Update: Add a fixer for `dot-location` (#7186) (Teddy Katz)
+* 89787b2 Update: for `yoda`, add a fixer (#7199) (Teddy Katz)
+* 742ae67 Fix: avoid indent and no-mixed-spaces-and-tabs conflicts (fixes #7248) (#7266) (Teddy Katz)
+* 85b8714 Fix: Use error templates even when reading from stdin (fixes #7213) (#7223) (Teddy Katz)
+* 66adac1 Docs: correction in prefer-reflect docs (fixes #7069) (#7150) (Scott Stern)
+* e3f95de Update: Fix `no-extra-parens` false negative (fixes #7229) (#7231) (Teddy Katz)
+* 2909c19 Docs: Fix typo in object-shorthand docs (#7267) (Brian Donovan)
+* 7bb800d Chore: add internal rule to enforce meta.docs conventions (fixes #6954) (#7155) (Vitor Balocco)
+* 722c68c Docs: add code fences to the issue template (#7254) (Teddy Katz)
+
+v3.6.1 - September 26, 2016
+
+* b467436 Upgrade: Upgrade Espree to 3.3.1 (#7253) (Ilya Volodin)
+* 299a563 Build: Do not strip .md extension from absolute URLs (#7222) (Kai Cataldo)
+* 27042d2 Chore: removed unused code related to scopeMap (#7218) (Yang Su)
+* d154204 Chore: Lint bin/eslint.js (#7243) (Kevin Partington)
+* 87625fa Docs: Improve eol-last examples in docs (#7227) (Chainarong Tangsurakit)
+* de8eaa4 Docs: `class-methods-use-this`: fix option name (#7224) (Jordan Harband)
+* 2355f8d Docs: Add Brunch plugin to integrations (#7225) (Aleksey Shvayka)
+* a5817ae Docs: Default option from `operator-linebreak` is `after`and not always (#7228) (Konstantin Pschera)
+
+v3.6.0 - September 23, 2016
+
+* 1b05d9c Update: add fixer for `strict` (fixes #6668) (#7198) (Teddy Katz)
+* 0a36138 Docs: Update ecmaVersion instructions (#7195) (Nicholas C. Zakas)
+* aaa3779 Update: Allow `space-unary-ops` to handle await expressions (#7174) (Teddy Katz)
+* 91bf477 Update: add fixer for `prefer-template` (fixes #6978) (#7165) (Teddy Katz)
+* 745343f Update: `no-extra-parens` supports async/await (refs #7101) (#7178) (Toru Nagashima)
+* 8e1fee1 Fix: Handle number literals correctly in `no-whitespace-before-property` (#7185) (Teddy Katz)
+* 462a3f7 Update: `keyword-spacing` supports async/await (refs #7101) (#7179) (Toru Nagashima)
+* 709a734 Update: Allow template string in `valid-typeof` comparison (fixes #7166) (#7168) (Teddy Katz)
+* f71937a Fix: Don't report async/generator callbacks in `array-callback-return` (#7172) (Teddy Katz)
+* 461b015 Fix: Handle async functions correctly in `prefer-arrow-callback` fixer (#7173) (Teddy Katz)
+* 7ea3e4b Fix: Handle await expressions correctly in `no-unused-expressions` (#7175) (Teddy Katz)
+* 16bb802 Update: Ensure `arrow-parens` handles async arrow functions correctly (#7176) (Teddy Katz)
+* 2d10657 Chore: add tests for `generator-star-spacing` and async (refs #7101) (#7182) (Toru Nagashima)
+* c118d21 Update: Let `no-restricted-properties` check destructuring (fixes #7147) (#7151) (Teddy Katz)
+* 9e0b068 Fix: valid-jsdoc does not throw on FieldType without value (fixes #7184) (#7187) (Kai Cataldo)
+* 4b5d9b7 Docs: Update process for evaluating proposals (fixes #7156) (#7183) (Kai Cataldo)
+* 95c777a Update: Make `no-restricted-properties` more flexible (fixes #7137) (#7139) (Teddy Katz)
+* 0fdf23c Update: fix `quotes` rule's false negative (fixes #7084) (#7141) (Toru Nagashima)
+* f2a789d Update: fix `no-unused-vars` false negative (fixes #7124) (#7143) (Toru Nagashima)
+* 6148d85 Fix: Report columns for `eol-last` correctly (fixes #7136) (#7149) (kdex)
+* e016384 Update: add fixer for quote-props (fixes #6996) (#7095) (Teddy Katz)
+* 35f7be9 Upgrade: espree to 3.2.0, remove tests with SyntaxErrors (fixes #7169) (#7170) (Teddy Katz)
+* 28ddcf8 Fix: `max-len`: `ignoreTemplateLiterals`: handle 3+ lines (fixes #7125) (#7138) (Jordan Harband)
+* 660e091 Docs: Update rule descriptions (fixes #5912) (#7152) (Kenneth Williams)
+* 8b3fc32 Update: Make `indent` report lines with mixed spaces/tabs (fixes #4274) (#7076) (Teddy Katz)
+* b39ac2c Update: add fixer for `no-regex-spaces` (#7113) (Teddy Katz)
+* cc80467 Docs: Update PR templates for formatting (#7128) (Nicholas C. Zakas)
+* 76acbb5 Fix: include LogicalExpression in indent length calc  (fixes #6731) (#7087) (Alec)
+* a876673 Update: no-implicit-coercion checks TemplateLiterals (fixes #7062) (#7121) (Kai Cataldo)
+* 8db4f0c Chore: Enable `typeof` check for `no-undef` rule in eslint-config-eslint (#7103) (Teddy Katz)
+* 7e8316f Docs: Update release process (#7127) (Nicholas C. Zakas)
+* 22edd8a Update: `class-methods-use-this`: `exceptMethods` option (fixes #7085) (#7120) (Jordan Harband)
+* afd132a Fix: line-comment-position "above" string option now works (fixes #7100) (#7102) (Kevin Partington)
+* 1738b2e Chore: fix name of internal-no-invalid-meta test file (#7142) (Vitor Balocco)
+* ac0bb62 Docs: Fixes examples for allowTemplateLiterals (fixes #7115) (#7135) (Zoe Ingram)
+* bcfa3e5 Update: Add `always`/`never` option to `eol-last` (fixes #6938) (#6952) (kdex)
+* 0ca26d9 Docs: Distinguish examples for space-before-blocks (#7132) (Timo Tijhof)
+* 9a2aefb Chore: Don't require an issue reference in check-commit npm script (#7104) (Teddy Katz)
+* c85fd84 Fix: max-statements-per-line rule to force minimum to be 1 (fixes #7051) (#7092) (Scott Stern)
+* e462e47 Docs: updates category of no-restricted-properties (fixes #7112) (#7118) (Alec)
+* 6ae660b Fix: Don't report comparisons of two typeof expressions (fixes #7078) (#7082) (Teddy Katz)
+* 710f205 Docs: Fix typos in Issues section of Maintainer's Guide (#7114) (Kai Cataldo)
+* 546a3ca Docs: Clarify that linter does not process configuration (fixes #7108) (#7110) (Kevin Partington)
+* 0d50943 Docs: Elaborate on `guard-for-in` best practice (fixes #7071) (#7094) (Dallon Feldner)
+* 58e6d76 Docs: Fix examples for no-restricted-properties (#7099) (not-an-aardvark)
+* 6cfe519 Docs: Corrected typo in line-comment-position rule doc (#7097) (Alex Mercier)
+* f02e52a Docs: Add fixable note to no-implicit-coercion docs (#7096) (Brandon Mills)
+
+v3.5.0 - September 9, 2016
+
+* 08fa538 Update: fix false negative of `arrow-spacing` (fixes #7079) (#7080) (Toru Nagashima)
+* cec65e3 Update: add fixer for no-floating-decimal (fixes #7070) (#7081) (not-an-aardvark)
+* 2a3f699 Fix: Column number for no-multiple-empty-lines (fixes #7086) (#7088) (Ian VanSchooten)
+* 6947299 Docs: Add info about closing accepted issues to docs (fixes #6979) (#7089) (Kai Cataldo)
+* d30157a Docs: Add link to awesome-eslint in integrations page (#7090) (Vitor Balocco)
+* 457be1b Docs: Update so issues are not required (fixes #7015) (#7072) (Nicholas C. Zakas)
+* d9513b7 Fix: Allow linting of .hidden files/folders (fixes #4828) (#6844) (Ian VanSchooten)
+* 6d97c18 New: `max-len`: `ignoreStrings`+`ignoreTemplateLiterals` (fixes #5805) (#7049) (Jordan Harband)
+* 538d258 Update: make no-implicit-coercion support autofixing. (fixes #7056) (#7061) (Eli White)
+* 883316d Update: add fixer for prefer-arrow-callback (fixes #7002) (#7004) (not-an-aardvark)
+* 7502eed Update: auto-fix for `comma-style` (fixes #6941) (#6957) (Gyandeep Singh)
+* 645dda5 Update: add fixer for dot-notation (fixes #7014) (#7054) (not-an-aardvark)
+* 2657846 Fix: `no-console` ignores user-defined console (fixes #7010) (#7058) (Toru Nagashima)
+* 656bb6e Update: add fixer for newline-before-return (fixes #5958) (#7050) (Vitor Balocco)
+* 1f995c3 Fix: no-implicit-coercion string concat false positive (fixes #7057) (#7060) (Kai Cataldo)
+* 6718749 Docs: Clarify that `es6` env also sets `ecmaVersion` to 6 (#7067) (Jérémie Astori)
+* e118728 Update: add fixer for wrap-regex (fixes #7013) (#7048) (not-an-aardvark)
+* f4fcd1e Update: add more `indent` options for functions (fixes #6052) (#7043) (not-an-aardvark)
+* 657eee5 Update: add fixer for new-parens (fixes #6994) (#7047) (not-an-aardvark)
+* ff19aa9 Update: improve `max-statements-per-line` message (fixes #6287) (#7044) (Jordan Harband)
+* 3960617 New: `prefer-numeric-literals` rule (fixes #6068) (#7029) (Annie Zhang)
+* fa760f9 Chore: no-regex-spaces uses internal rule message format (fixes #7052) (#7053) (Kevin Partington)
+* 22c7e09 Update: no-magic-numbers false negative on reassigned vars (fixes #4616) (#7028) (not-an-aardvark)
+* be29599 Update: Throw error if whitespace found in plugin name (fixes #6854) (#6960) (Jesse Ostrander)
+* 4063a79 Fix: Rule message placeholders can be inside braces (fixes #6988) (#7041) (Kevin Partington)
+* 52e8d9c Docs: Clean up sort-vars (#7045) (Matthew Dunsdon)
+* 4126f12 Chore: Rule messages use internal rule message format (fixes #6977) (#6989) (Kevin Partington)
+* 46cb690 New: `no-restricted-properties` rule (fixes #3218) (#7017) (Eli White)
+* 00b3042 Update: Pass file path to parse function (fixes #5344) (#7024) (Annie Zhang)
+* 3f13325 Docs: Add kaicataldo and JamesHenry to our teams (#7039) (alberto)
+* 8e77f16 Update: `new-parens` false negative (fixes #6997) (#6999) (Toru Nagashima)
+* 326f457 Docs: Add missing 'to' in no-restricted-modules (#7022) (Oskar Risberg)
+* 8277357 New: `line-comment-position` rule (fixes #6077) (#6953) (alberto)
+* c1f0d76 New: `lines-around-directive` rule (fixes #6069) (#6998) (Kai Cataldo)
+* 61f1de0 Docs: Fix typo in no-debugger (#7019) (Denis Ciccale)
+* 256c4a2 Fix: Allow separate mode option for multiline and align (fixes #6691) (#6991) (Annie Zhang)
+* a989a7c Docs: Declaring dependency on eslint in shared config (fixes #6617) (#6985) (alberto)
+* 6869c60 Docs: Fix minor typo in no-extra-parens doc (#6992) (Jérémie Astori)
+* 28f1619 Docs: Update the example of SwitchCase (#6981) (fish)
+
+v3.4.0 - August 26, 2016
+
+* c210510 Update: add fixer for no-extra-parens (fixes #6944) (#6950) (not-an-aardvark)
+* ca3d448 Fix: `prefer-const` false negative about `eslintUsed` (fixes #5837) (#6971) (Toru Nagashima)
+* 1153955 Docs: Draft of JSCS migration guide (refs #5859) (#6942) (Nicholas C. Zakas)
+* 3e522be Fix: false negative of `indent` with `else if` statements (fixes #6956) (#6965) (not-an-aardvark)
+* 2dfb290 Docs: Distinguish examples in rules under Stylistic Issues part 7 (#6760) (Kenneth Williams)
+* 3c710c9 Fix: rename "AirBnB" => "Airbnb" init choice (fixes #6969) (Harrison Shoff)
+* 7660b39 Fix: `object-curly-spacing` for type annotations (fixes #6940) (#6945) (Toru Nagashima)
+* 21ab784 New: do not remove non visited files from cache. (fixes #6780) (#6921) (Roy Riojas)
+* 3a1763c Fix: enable `@scope/plugin/ruleId`-style specifier (refs #6362) (#6939) (Toru Nagashima)
+* d6fd064 Update: Add never option to multiline-ternary (fixes #6751) (#6905) (Kai Cataldo)
+* 0d268f1 New: `symbol-description` rule (fixes #6778) (#6825) (Jarek Rencz)
+* a063d4e Fix: no-cond-assign within a function expression (fixes #6908) (#6909) (Patrick McElhaney)
+* 16db93a Build: Tag docs, publish release notes (fixes #6892) (#6934) (Nicholas C. Zakas)
+* 0cf1d55 Chore: Fix object-shorthand errors (fixes #6958) (#6959) (Kai Cataldo)
+* 8851ddd Fix: Improve pref of globbing by inheriting glob.GlobSync (fixes #6710) (#6783) (Kael Zhang)
+* cf2242c Update: `requireStringLiterals` option for `valid-typeof` (fixes #6698) (#6923) (not-an-aardvark)
+* 8561389 Fix: `no-trailing-spaces` wrong fixing (fixes #6933) (#6937) (Toru Nagashima)
+* 6a92be5 Docs: Update semantic versioning policy (#6935) (alberto)
+* a5189a6 New: `class-methods-use-this` rule (fixes #5139) (#6881) (Gyandeep Singh)
+* 1563808 Update: add support for ecmaVersion 20xx (fixes #6750) (#6907) (Kai Cataldo)
+* d8b770c Docs: Change rule descriptions for consistent casing (#6915) (Brandon Mills)
+* c676322 Chore: Use object-shorthand batch 3 (refs #6407) (#6914) (Kai Cataldo)
+
+v3.3.1 - August 15, 2016
+
+* a2f06be Build: optimize rule page title for small browser tabs (fixes #6888) (#6904) (Vitor Balocco)
+* 02a00d6 Docs: clarify rule details for no-template-curly-in-string (#6900) (not-an-aardvark)
+* b9b3446 Fix: sort-keys ignores destructuring patterns (fixes #6896) (#6899) (Kai Cataldo)
+* 3fe3a4f Docs: Update options in `object-shorthand` (#6898) (Grant Snodgrass)
+* cd09c96 Chore: Use object-shorthand batch 2 (refs #6407) (#6897) (Kai Cataldo)
+* 2841008 Chore: Use object-shorthand batch 1 (refs #6407) (#6893) (Kai Cataldo)
+
+v3.3.0 - August 12, 2016
+
+* 683ac56 Build: Add CI release scripts (fixes #6884) (#6885) (Nicholas C. Zakas)
+* ebf8441 Update: `prefer-rest-params` relax for member accesses (fixes #5990) (#6871) (Toru Nagashima)
+* df01c4f Update: Add regex support for exceptions (fixes #5187) (#6883) (Annie Zhang)
+* 055742c Fix: `no-dupe-keys` type errors (fixes #6886) (#6889) (Toru Nagashima)
+* e456fd3 New: `sort-keys` rule (fixes #6076) (#6800) (Toru Nagashima)
+* 3e879fc Update: Rule "eqeqeq" to have more specific null handling (fixes #6543) (#6849) (Simon Sturmer)
+* e8cb7f9 Chore: use eslint-plugin-node (refs #6407) (#6862) (Toru Nagashima)
+* e37bbd8 Docs: Remove duplicate statement (#6878) (Richard Käll)
+* 11395ca Fix: `no-dupe-keys` false negative (fixes #6801) (#6863) (Toru Nagashima)
+* 1ecd2a3 Update: improve error message in `no-control-regex` (#6839) (Jordan Harband)
+* d610d6c Update: make `max-lines` report the actual number of lines (fixes #6766) (#6764) (Jarek Rencz)
+* b256c50 Chore: Fix glob for core js files for lint (fixes #6870) (#6872) (Gyandeep Singh)
+* f8ab8f1 New: func-call-spacing rule (fixes #6080) (#6749) (Brandon Mills)
+* be68f0b New: no-template-curly-in-string rule (fixes #6186) (#6767) (Jeroen Engels)
+* 80789ab Chore: don't throw if rule is in old format (fixes #6848) (#6850) (Vitor Balocco)
+* d47c505 Fix: `newline-after-var` false positive (fixes #6834) (#6847) (Toru Nagashima)
+* bf0afcb Update: validate void operator in no-constant-condition (fixes #5726) (#6837) (Vitor Balocco)
+* 5ef839e New: Add consistent and ..-as-needed to object-shorthand (fixes #5438) (#5439) (Martijn de Haan)
+* 7e1bf01 Fix: update peerDependencies of airbnb option for `--init` (fixes #6843) (#6846) (Vitor Balocco)
+* 8581f4f Fix: `no-invalid-this` false positive (fixes #6824) (#6827) (Toru Nagashima)
+* 90f78f4 Update: add `props` option to `no-self-assign` rule (fixes #6718) (#6721) (Toru Nagashima)
+* 30d71d6 Update: 'requireForBlockBody' modifier for 'arrow-parens' (fixes #6557) (#6558) (Nicolas Froidure)
+* cdded07 Chore: use native `Object.assign` (refs #6407) (#6832) (Gyandeep Singh)
+* 579ec49 Chore: Add link to rule change guidelines in "needs info" template (fixes #6829) (#6831) (Kevin Partington)
+* 117e7aa Docs: Remove incorrect "constructor" statement from `no-new-symbol` docs (#6830) (Jarek Rencz)
+* aef18b4 New: `no-unsafe-negation` rule (fixes #2716) (#6789) (Toru Nagashima)
+* d94e945 Docs: Update Getting Started w/ Readme installation instructions (#6823) (Kai Cataldo)
+* dfbc112 Upgrade: proxyquire to 1.7.10 (fixes #6821) (#6822) (alberto)
+* 4c5e911 Chore: enable `prefer-const` and apply it to our codebase (refs #6407) (#6805) (Toru Nagashima)
+* e524d16 Update: camelcase rule fix for import declarations (fixes #6755) (#6784) (Lorenzo Zottar)
+* 8f3509d Update: make `eslint:all` excluding deprecated rules (fixes #6734) (#6756) (Toru Nagashima)
+* 2b17459 New: `no-global-assign` rule (fixes #6586) (#6746) (alberto)
+
+v3.2.2 - August 1, 2016
+
+* 510ce4b Upgrade: file-entry-cache@^1.3.1 (fixes #6816, refs #6780) (#6819) (alberto)
+* 46b14cd Fix: ignore MemberExpression in VariableDeclarators (fixes #6795) (#6815) (Nicholas C. Zakas)
+
+v3.2.1 - August 1, 2016
+
+* 584577a Build: Pin file-entry-cache to avoid licence issue (refs #6816) (#6818) (alberto)
+* 38d0d23 Docs: clarify minor releases and suggest using `~ to version (#6804) (Henry Zhu)
+* 4ca809e Fix: Normalizes messages so all end with a period (fixes #6762) (#6807) (Patrick McElhaney)
+* c7488ac Fix: Make MemberExpression option opt-in (fixes #6797) (#6798) (Rich Trott)
+* 715e8fa Docs: Update issue closing policy (fixes #6765) (#6808) (Nicholas C. Zakas)
+* 288f7bf Build: Fix site generation (fixes #6791) (#6793) (Nicholas C. Zakas)
+* 261a9f3 Docs: Update JSCS status in README (#6802) (alberto)
+* 5ae0887 Docs: Update no-void.md (#6799) (Daniel Hritzkiv)
+
+v3.2.0 - July 29, 2016
+
+* 2438ee2 Upgrade: Update markdownlint dependency to 0.2.0 (fixes #6781) (#6782) (David Anson)
+* 4fc0018 Chore: dogfooding `no-var` rule and remove `var`s (refs #6407) (#6757) (Toru Nagashima)
+* b22eb5c New: `no-tabs` rule (fixes #6079) (#6772) (Gyandeep Singh)
+* ddea63a Chore: Updated no-control-regex tests to cover all cases (fixes #6438) (#6752) (Efe Gürkan YALAMAN)
+* 1025772 Docs: Add plugin example to disabling with comments guide (fixes #6742) (#6747) (Brandon Mills)
+* 628aae4 Docs: fix inconsistent spacing inside block comment (#6768) (Brian Jacobel)
+* 2983c32 Docs: Add options to func-names config comments (#6748) (Brandon Mills)
+* 2f94443 Docs: fix wrong path (#6763) (molee1905)
+* 6f3faa4 Revert "Build: Remove support for Node v5 (fixes #6743)" (#6758) (Nicholas C. Zakas)
+* 99dfd1c Docs: fix grammar issue in rule-changes page (#6761) (Vitor Balocco)
+* e825458 Fix: Rule no-unused-vars had missing period (fixes #6738) (#6739) (Brian Mock)
+* 71ae64c Docs: Clarify cache file deletion (fixes #4943) (#6712) (Nicholas C. Zakas)
+* 26c85dd Update: merge warnings of consecutive unreachable nodes (fixes #6583) (#6729) (Toru Nagashima)
+* 106e40b Fix: Correct grammar in object-curly-newline reports (fixes #6725) (#6728) (Vitor Balocco)
+* e00754c Chore: Dogfooding ES6 rules (refs #6407) (#6735) (alberto)
+* 181b26a Build: Remove support for Node v5 (fixes #6743) (#6744) (alberto)
+* 5320a6c Update: `no-use-before-define` false negative on for-in/of (fixes #6699) (#6719) (Toru Nagashima)
+* a2090cb Fix: space-infix-ops doesn't fail for  type annotations(fixes #5211) (#6723) (Nicholas C. Zakas)
+* 9c36ecf Docs: Add @vitorbal and @platinumazure to development team (Ilya Volodin)
+* e09d1b8 Docs: describe all RuleTester options (fixes #4810, fixes #6709) (#6711) (Nicholas C. Zakas)
+* a157f47 Chore: Update CLIEngine option desc (fixes #5179) (#6713) (Nicholas C. Zakas)
+* a0727f9 Chore: fix `.gitignore` for vscode (refs #6383) (#6720) (Toru Nagashima)
+* 75d2d43 Docs: Clarify Closure type hint expectation (fixes #5231) (#6714) (Nicholas C. Zakas)
+* 95ea25a Update: Check indentation of multi-line chained properties (refs #1801) (#5940) (Rich Trott)
+* e7b1e1c Docs: Edit issue/PR waiting period docs (fixes #6009) (#6715) (Nicholas C. Zakas)
+* 053aa0c Update: Added 'allowSuper' option to `no-underscore-dangle` (fixes #6355) (#6662) (peteward44)
+* 8929045 Build: Automatically generate rule index (refs #2860) (#6658) (Ilya Volodin)
+* f916ae5 Docs: Fix multiline-ternary typos (#6704) (Cédric Malard)
+* c64b0c2 Chore: First ES6 refactoring (refs #6407) (#6570) (Nicholas C. Zakas)
+
+v3.1.1 - July 18, 2016
+
+* 565e584 Fix: `eslint:all` causes regression in 3.1.0 (fixes #6687) (#6696) (alberto)
+* cb90359 Fix: Allow named recursive functions (fixes #6616) (#6667) (alberto)
+* 3f206dd Fix: `balanced` false positive in `spaced-comment` (fixes #6689) (#6692) (Grant Snodgrass)
+* 57f1676 Docs: Add missing brackets from code examples (#6700) (Plusb Preco)
+* 124f066 Chore: Remove fixable key from multiline-ternary metadata (fixes #6683) (#6688) (Kai Cataldo)
+* 9f96086 Fix: Escape control characters in XML. (fixes #6673) (#6672) (George Chung)
+
+v3.1.0 - July 15, 2016
+
+* e8f8c6c Fix: incorrect exitCode when eslint is called with --stdin (fixes #6677) (#6682) (Steven Humphrey)
+* 38639bf Update: make `no-var` fixable (fixes #6639) (#6644) (Toru Nagashima)
+* dfc20e9 Fix: `no-unused-vars` false positive in loop (fixes #6646) (#6649) (Toru Nagashima)
+* 2ba75d5 Update: relax outerIIFEBody definition (fixes #6613) (#6653) (Stephen E. Baker)
+* 421e4bf Chore: combine multiple RegEx replaces with one (fixes #6669) (#6661) (Sakthipriyan Vairamani)
+* 089ee2c Docs: fix typos,wrong path,backticks (#6663) (molee1905)
+* ef827d2 Docs: Add another pre-commit hook to integrations (#6666) (David Alan Hjelle)
+* a343b3c Docs: Fix option typo in no-underscore-dangle (Fixes #6674) (#6675) (Luke Page)
+* 5985eb2 Chore: add internal rule that validates meta property (fixes #6383) (#6608) (Vitor Balocco)
+* 4adb15f Update: Add `balanced` option to `spaced-comment` (fixes #4133) (#6575) (Annie Zhang)
+* 1b13c25 Docs: fix incorrect example being mark as correct (#6660) (David Björklund)
+* a8b4e40 Fix: Install required eslint plugin for "standard" guide (fixes #6656) (#6657) (Feross Aboukhadijeh)
+* 720686b New: `endLine` and `endColumn` of the lint result. (refs #3307) (#6640) (Toru Nagashima)
+* 54faa46 Docs: Small tweaks to CLI documentation (fixes #6627) (#6642) (Kevin Partington)
+* e108850 Docs: Added examples and structure to `padded-blocks` (fixes #6628) (#6643) (alberto)
+* 350e1c0 Docs: Typo (#6650) (Peter Rood)
+* b837c92 Docs: Correct a term in max-len.md (fixes #6637) (#6641) (Vse Mozhet Byt)
+* baeb313 Fix: Warning behavior for executeOnText (fixes #6611) (#6632) (Nicholas C. Zakas)
+* e6004be Chore: Enable preferType in valid-jsdoc (refs #5188) (#6634) (Nicholas C. Zakas)
+* ca323cf Fix: Use default assertion messages (fixes #6532) (#6615) (Dmitrii Abramov)
+* 2bdf22c Fix: Do not throw exception if baseConfig is provided (fixes #6605) (#6625) (Kevin Partington)
+* e42cacb Upgrade: mock-fs to 3.10, fixes for Node 6.3 (fixes #6621) (#6624) (Tim Schaub)
+* 8a263ae New: multiline-ternary rule (fixes #6066) (#6590) (Kai Cataldo)
+* e951303 Update: Adding new `key-spacing` option (fixes #5613) (#5907) (Kyle Mendes)
+* 10c3e91 Docs: Remove reference from 3.0.0 migration guide (refs #6605) (#6618) (Kevin Partington)
+* 5010694 Docs: Removed non-existing resource (#6609) (Moritz Kröger)
+* 6d40d85 Docs: Note that PR requires ACCEPTED issue (refs #6568) (#6604) (Patrick McElhaney)
+
+v3.0.1 - July 5, 2016
+
+* 27700cf Fix: `no-unused-vars` false positive around callback (fixes #6576) (#6579) (Toru Nagashima)
+* 124d8a3 Docs: Pull request template (#6568) (Nicholas C. Zakas)
+* e9a2ed9 Docs: Fix rules\id-length exceptions typos (fixes #6397) (#6593) (GramParallelo)
+* a2cfa1b Fix: Make outerIIFEBody work correctly (fixes #6585) (#6596) (Nicholas C. Zakas)
+* 9c451a2 Docs: Use string severity in example (#6601) (Kenneth Williams)
+* 8308c0b Chore: remove path-is-absolute in favor of the built-in (fixes #6598) (#6600) (shinnn)
+* 7a63717 Docs: Add missing pull request step (fixes #6595) (#6597) (Nicholas C. Zakas)
+* de3ed84 Fix: make `no-unused-vars` ignore for-in (fixes #2342) (#6126) (Oleg Gaidarenko)
+* 6ef2cbe Fix: strip Unicode BOM of config files (fixes #6556) (#6580) (Toru Nagashima)
+* ee7fcfa Docs: Correct type of `outerIIFEBody` in `indent` (fixes #6581) (#6584) (alberto)
+* 25fc7b7 Fix: false negative of `max-len` (fixes #6564) (#6565) (not-an-aardvark)
+* f6b8452 Docs: Distinguish examples in rules under Stylistic Issues part 6 (#6567) (Kenneth Williams)
+
+v3.0.0 - July 1, 2016
+
+* 66de9d8 Docs: Update installation instructions on README (#6569) (Nicholas C. Zakas)
+* dc5b78b Breaking: Add `require-yield` rule to `eslint:recommended` (fixes #6550) (#6554) (Gyandeep Singh)
+* 7988427 Fix: lib/config.js tests pass if personal config exists (fixes #6559) (#6566) (Kevin Partington)
+* 4c05967 Docs: Update rule docs for new format (fixes #5417) (#6551) (Nicholas C. Zakas)
+* 70da5a8 Docs: Correct link to rules page (#fixes 6553) (#6561) (alberto)
+* e2b2030 Update: Check RegExp strings for `no-regex-spaces` (fixes #3586) (#6379) (Jackson Ray Hamilton)
+* 397e51b Update: Implement outerIIFEBody for indent rule (fixes #6259) (#6382) (David Shepherd)
+* 666da7c Docs: 3.0.0 migration guide (#6521) (Nicholas C. Zakas)
+* b9bf8fb Docs: Update Governance Policy (fixes #6452) (#6522) (Nicholas C. Zakas)
+* 1290657 Update: `no-unused-vars` ignores read it modifies itself (fixes #6348) (#6535) (Toru Nagashima)
+* d601f6b Fix: Delete cache only when executing on files (fixes #6459) (#6540) (Kai Cataldo)
+* e0d4b19 Breaking: Error thrown/printed if no config found (fixes #5987) (#6538) (Kevin Partington)
+* 18663d4 Fix: false negative of `no-useless-rename` (fixes #6502) (#6506) (Toru Nagashima)
+* 0a7936d Update: Add fixer for prefer-const (fixes #6448) (#6486) (Nick Heiner)
+* c60341f Chore: Update index and `meta` for `"eslint:recommended"` (refs #6403) (#6539) (Mark Pedrotti)
+* 73da28d Better wording for the error reported by the rule "no-else-return" #6411 (#6413) (Olivier Thomann)
+* e06a5b5 Update: Add fixer for arrow-parens (fixes #4766) (#6501) (madmed88)
+* 5f8f3e8 Docs: Remove Box as a sponsor (#6529) (Nicholas C. Zakas)
+* 7dfe0ad Docs: fix max-lines samples (fixes #6516) (#6515) (Dmitriy Shekhovtsov)
+* fa05119 Breaking: Update eslint:recommended (fixes #6403) (#6509) (Nicholas C. Zakas)
+* e96177b Docs: Add "Proposing a Rule Change" link to CONTRIBUTING.md (#6511) (Kevin Partington)
+* bea9096 Docs: Update pull request steps (fixes #6474) (#6510) (Nicholas C. Zakas)
+* 7bcf6e0 Docs: Consistent example headings & text pt3 (refs #5446) (#6492) (Guy Fraser)
+* 1a328d9 Docs: Consistent example headings & text pt4 (refs #5446) (#6493) (Guy Fraser)
+* ff5765e Docs: Consistent example headings & text pt2 (refs #5446)(#6491) (Guy Fraser)
+* 01384fa Docs: Fixing typos (refs #5446)(#6494) (Guy Fraser)
+* 4343ae8 Fix: false negative of `object-shorthand` (fixes #6429) (#6434) (Toru Nagashima)
+* b7d8c7d Docs: more accurate yoda-speak (#6497) (Tony Lukasavage)
+* 3b0ab0d Fix: add warnIgnored flag to CLIEngine.executeOnText (fixes #6302) (#6305) (Robert Levy)
+* c2c6cec Docs: Mark object-shorthand as fixable. (#6485) (Nick Heiner)
+* 5668236 Fix: Allow objectsInObjects exception when destructuring (fixes #6469) (#6470) (Adam Renklint)
+* 17ac0ae Fix: `strict` rule reports a syntax error for ES2016 (fixes #6405) (#6464) (Toru Nagashima)
+* 4545123 Docs: Rephrase documentation for `no-duplicate-imports` (#6463) (Simen Bekkhus)
+* 1b133e3 Docs: improve `no-native-reassign` and specifying globals (fixes #5358) (#6462) (Toru Nagashima)
+* b179373 Chore: Remove dead code in excuteOnFiles (fixes #6467) (#6466) (Andrew Hutchings)
+* 18fbc4b Chore: Simplify eslint process exit code (fixes #6368) (#6371) (alberto)
+* 58542e4 Breaking: Drop support for node < 4 (fixes #4483) (#6401) (alberto)
+* f50657e Breaking: use default for complexity in eslint:recommended (fixes #6021) (#6410) (alberto)
+* 3e690fb Fix: Exit init early if guide is chosen w/ no package.json (fixes #6476) (#6478) (Kai Cataldo)
+
+v2.13.1 - June 20, 2016
+
+* 434de7f Fix: wrong baseDir (fixes #6450) (#6457) (Toru Nagashima)
+* 3c9ce09 Fix: Keep indentation when fixing `padded-blocks` "never" (fixes #6454) (#6456) (Ed Lee)
+* a9d4cb2 Docs: Fix typo in max-params examples (#6471) (J. William Ashton)
+* 1e185b9 Fix: no-multiple-empty-lines errors when no line breaks (fixes #6449) (#6451) (strawbrary)
+
+v2.13.0 - June 17, 2016
+
+* cf223dd Fix: add test for a syntax error (fixes #6013) (#6378) (Toru Nagashima)
+* da30cf9 Update: Add fixer for object-shorthand (fixes #6412) (#6418) (Nick Heiner)
+* 2cd90eb Chore: Fix rule meta description inconsistencies (refs #5417) (#6422) (Mark Pedrotti)
+* d798b2c Added quotes around "classes" option key (#6441) (Guy Fraser)
+* 852b6df Docs: Delete empty table of links from Code Path Analysis (#6423) (Mark Pedrotti)
+* 5e9117e Chore: sort rules in eslint.json (fixes #6425) (#6426) (alberto)
+* c2b5277 Docs: Add gitter chat link to Reporting Bugs (#6430) (Mark Pedrotti)
+* 1316db0 Update: Add `never` option for `func-names` (fixes #6059) (#6392) (alberto)
+* 1c123e2 Update: Add autofix for `padded-blocks` (fixes #6320) (#6393) (alberto)
+* 8ec89c8 Fix: `--print-config` return config inside subdir (fixes #6329) (#6385) (alberto)
+* 4f73240 Fix: `object-curly-newline` multiline with comments (fixes #6381) (#6396) (Toru Nagashima)
+* 77697a7 Chore: Fake config hierarchy fixtures (fixes #6206) (#6402) (Gyandeep Singh)
+* 73a9a6d Docs: Fix links in Configuring ESLint (#6421) (Mark Pedrotti)
+* ed84c4c Fix: improve `newline-per-chained-call` message (fixes #6340) (#6360) (Toru Nagashima)
+* 9ea4e44 Docs: Update parser reference to `espree` instead of `esprima` (#6404) (alberto)
+* 7f57467 Docs: Make `fix` param clearer (fixes #6366) (#6367) (Nick Heiner)
+* fb49c7f Fix: nested `extends` with relative path (fixes #6358) (#6359) (Toru Nagashima)
+* 5122f73 Update: no-multiple-empty-lines fixer (fixes #6225) (#6226) (Ruurd Moelker)
+* 0e7ce72 Docs: Fix rest-spread-spacing's name (#6365) (cody)
+* cfdd524 Fix: allow semi as braceless body of statements (fixes #6386) (#6391) (alberto)
+* 6b08cfc Docs: key-spacing fixable documenation notes (fixes #6375) (#6376) (Ruurd Moelker)
+* 4b4be3b Docs: `max-lines` option: fix `skipComments` typo (#6374) (Jordan Harband)
+* 20ab4f6 Docs: Fix wrong link in object-curly-newline (#6373) (Grant Snodgrass)
+* 412ce8d Docs: Fix broken links in no-mixed-operators (#6372) (Grant Snodgrass)
+
+v2.12.0 - June 10, 2016
+
+* 54c30fb Update: Add explicit default option `always` for `eqeqeq` (refs #6144) (#6342) (alberto)
+* 2d63370 Update: max-len will warn indented comment lines (fixes #6322) (#6324) (Kai Cataldo)
+* dcd4ad7 Docs: clarify usage of inline disable comments (fixes #6335) (#6347) (Kai Cataldo)
+* c03300b Docs: Clarified how plugin rules look in plugin configs (fixes #6346) (#6351) (Kevin Partington)
+* 9c87709 Docs: Add semantic versioning policy (fixes #6244) (#6343) (Nicholas C. Zakas)
+* 5affab1 Docs: Describe values under Extending Configuration Files (refs #6240) (#6336) (Mark Pedrotti)
+* 2520f5a New: `max-lines` rule (fixes #6078) (#6321) (alberto)
+* 9bfbc64 Update: Option for object literals in `arrow-body-style` (fixes #5936) (#6216) (alberto)
+* 977cdd5 Chore: remove unused method from FileFinder (fixes #6344) (#6345) (alberto)
+* 477fbc1 Docs: Add section about customizing RuleTester (fixes #6227) (#6331) (Jeroen Engels)
+* 0e14016 New: `no-mixed-operators` rule (fixes #6023) (#6241) (Toru Nagashima)
+* 6e03c4b Update: Add never option to arrow-body-style (fixes #6317) (#6318) (Andrew Hyndman)
+* f804397 New: Add `eslint:all` option (fixes #6240) (#6248) (Robert Fletcher)
+* dfe05bf Docs: Link JSCS rules to their corresponding page. (#6334) (alberto)
+* 1cc4356 Docs: Remove reference to numeric config (fixes #6309) (#6327) (Kevin Partington)
+* 2d4efbe Docs: Describe options in rule under Strict Mode (#6312) (Mark Pedrotti)
+* c1953fa Docs: Typo fix 'and' -> 'any' (#6326) (Stephen Edgar)
+* d49ab4b Docs: Code conventions improvements (#6313) (Kevin Partington)
+* 316a507 Fix: one-var allows uninitialized vars in ForIn/ForOf (fixes #5744) (#6272) (Kai Cataldo)
+* 6cbee31 Docs: Typo fix 'colum' -> 'column' (#6306) (Andrew Cobby)
+* 2663569 New: `object-curly-newline` (fixes #6072) (#6223) (Toru Nagashima)
+* 72c2ea5 Update: callback-return allows for object methods (fixes #4711) (#6277) (Kai Cataldo)
+* 89580a4 Docs: Distinguish examples in rules under Stylistic Issues part 5 (#6291) (Kenneth Williams)
+* 1313804 New: rest-spread-spacing rule (fixes #5391) (#6278) (Kai Cataldo)
+* 61dfe68 Fix: `no-useless-rename` false positive in babel-eslint (fixes #6266) (#6290) (alberto)
+* c78c8cb Build: Remove commit check from appveyor (fixes #6292) (#6294) (alberto)
+* 3e38fc1 Chore: more tests for comments at the end of blocks (refs #6090) (#6273) (Kai Cataldo)
+* 38dccdd Docs: `--no-ignore` disables all forms of ignore (fixes #6260) (#6304) (alberto)
+* bb69380 Fix: no-useless-rename handles ExperimentalRestProperty (fixes #6284) (#6288) (Kevin Partington)
+* fca0679 Update: Improve perf not traversing default ignored dirs (fixes #5679) (#6276) (alberto)
+* 320e8b0 Docs: Describe options in rules under Possible Errors part 4 (#6270) (Mark Pedrotti)
+* 3e052c1 Docs: Mark no-useless-rename as fixable in rules index (#6297) (Dalton Santos)
+
+v2.11.1 - May 30, 2016
+
+* 64b0d0c Fix: failed to parse `/*eslint` comments by colon (fixes #6224) (#6258) (Toru Nagashima)
+* c8936eb Build: Don't check commit count (fixes #5935) (#6263) (Nicholas C. Zakas)
+* 113c1a8 Fix: `max-statements-per-line` false positive at exports (fixes #6264) (#6268) (Toru Nagashima)
+* 03beb27 Fix: `no-useless-rename` false positives (fixes #6266) (#6267) (alberto)
+* fe89037 Docs: Fix rule name in example (#6279) (Kenneth Williams)
+
+v2.11.0 - May 27, 2016
+
+* 77dd2b4 Fix: On --init, print message when package.json is invalid (fixes #6257) (#6261) (Kai Cataldo)
+* 7f60186 Fix: `--ignore-pattern` can't uningnore files (fixes #6127) (#6253) (alberto)
+* fea8fe6 New: no-useless-rename (fixes #6058) (#6249) (Kai Cataldo)
+* b4cff9d Fix: Incorrect object-property-newline behavior (fixes #6207) (#6213) (Rafał Ruciński)
+* 35b4656 Docs: Edit arrow-parens.md to show correct output value (#6245) (Adam Terlson)
+* ee0cd58 Fix: `newline-before-return` shouldn't disallow newlines (fixes #6176) (#6217) (alberto)
+* d4f5526 Fix: `vars-on-top` crashs at export declarations (fixes #6210) (#6220) (Toru Nagashima)
+* 088bda9 New: `unicode-bom` rule to allow or disallow BOM (fixes #5502) (#6230) (Andrew Johnston)
+* 14bfc03 Fix: `comma-dangle` wrong autofix (fixes #6233) (#6235) (Toru Nagashima)
+* cdd65d7 Docs: added examples for arrow-body-style (refs #5498) (#6242) (Tieme van Veen)
+* c10c07f Fix: lost code in autofixing (refs #6233) (#6234) (Toru Nagashima)
+* e6d5b1f Docs: Add rule deprecation section to user guide (fixes #5845) (#6201) (Kai Cataldo)
+* 777941e Upgrade: doctrine to 1.2.2 (fixes #6121) (#6231) (alberto)
+* 74c458d Update: key-spacing rule whitespace fixer (fixes #6167) (#6169) (Ruurd Moelker)
+* 04bd586 New: Disallow use of Object.prototype methods on objects (fixes #2693) (#6107) (Andrew Levine)
+* 53754ec Update: max in `max-statements-per-line` should be >=0 (fixes #6171) (#6172) (alberto)
+* 54d1201 Update: Add treatUndefinedAsUnspecified option (fixes #6026) (#6194) (Kenneth Williams)
+* 18152dd Update: Add checkLoops option to no-constant-condition (fixes #5477) (#6202) (Kai Cataldo)
+* 7644908 Fix: no-multiple-empty-lines BOF and EOF defaults (fixes #6179) (#6180) (Ruurd Moelker)
+* 72335eb Fix: `max-statements-per-line` false positive (fixes #6173, fixes #6153) (#6192) (Toru Nagashima)
+* 9fce04e Fix: `generator-star-spacing` false positive (fixes #6135) (#6168) (Toru Nagashima)
+
+v2.10.2 - May 16, 2016
+
+* bda5de5 Fix: Remove default parser from CLIEngine options (fixes #6182) (#6183) (alberto)
+* e59e5a0 Docs: Describe options in rules under Possible Errors part 3 (#6105) (Mark Pedrotti)
+* 842ab2e Build: Run phantomjs tests using karma (fixes #6128) (#6178) (alberto)
+
+v2.10.1 - May 14, 2016
+
+* 9397135 Fix: `valid-jsdoc` false positive at default parameters (fixes #6097) (#6170) (Toru Nagashima)
+* 2166ad4 Fix: warning & error count in `CLIEngine.getErrorResults` (fixes #6155) (#6157) (alberto)
+* 1e0a652 Fix: ignore empty statements in max-statements-per-line (fixes #6153) (#6156) (alberto)
+* f9ca0d6 Fix: `no-extra-parens` to check for nulls (fixes #6161) (#6164) (Gyandeep Singh)
+* d095ee3 Fix: Parser merge sequence in config (fixes #6158) (#6160) (Gyandeep Singh)
+* f33e49f Fix: `no-return-assign` to check for null tokens (fixes #6159) (#6162) (Gyandeep Singh)
+
+v2.10.0 - May 13, 2016
+
+* 098cd9c Docs: Distinguish examples in rules under Stylistic Issues part 4 (#6136) (Kenneth Williams)
+* 805742c Docs: Clarify JSX option usage (#6132) (Richard Collins)
+* 10b0933 Fix: Optimize no-irregular-whitespace for the common case (fixes #6116) (#6117) (Andres Suarez)
+* 36bec90 Docs: linkify URLs in development-environment.md (#6150) (chrisjshull)
+* 29c401a Docs: Convert rules in index under Removed from list to table (#6091) (Mark Pedrotti)
+* e13e696 Fix: `_` and `$` in isES5Constructor (fixes #6085) (#6094) (Kevin Locke)
+* 67916b9 Fix: `no-loop-func` crashed (fixes #6130) (#6138) (Toru Nagashima)
+* d311a62 Fix: Sort fixes consistently even if they overlap (fixes #6124) (#6133) (alberto)
+* 6294459 Docs: Correct syntax for default ignores and `.eslintignore` example (#6118) (alberto)
+* 067db14 Fix: Replace `assert.deepEqual` by `lodash.isEqual` (fixes #6111) (#6112) (alberto)
+* 52fdf04 Fix: `no-multiple-empty-lines` duplicate errors at BOF (fixes #6113) (#6114) (alberto)
+* e6f56da Docs: Document `--ignore-pattern` (#6120) (alberto)
+* ef739cd Fix: Merge various command line configs at the same time (fixes #6104) (#6108) (Ed Lee)
+* 767da6f Update: add returnAssign option to no-extra-parens (fixes #6036) (#6095) (Kai Cataldo)
+* 06f6252 Build: Use split instead of slice/indexOf for commit check (fixes #6109) (#6110) (Ed Lee)
+* c4fc39b Docs: Update headings of rules under Removed (refs #5774) (#6102) (Mark Pedrotti)
+* 716345f Build: Match rule id at beginning of heading (refs #5774) (#6089) (Mark Pedrotti)
+* 0734967 Update: Add an option to `prefer-const` (fixes #5692) (#6040) (Toru Nagashima)
+* 7941d5e Update: Add autofix for `lines-around-comment` (fixes #5956) (#6062) (alberto)
+* dc538aa Build: Pin proxyquire to ">=1.0.0 <1.7.5" (fixes #6096) (#6100) (alberto)
+* 04563ca Docs: Describe options in rules under Possible Errors part 2 (#6063) (Mark Pedrotti)
+* 5d390b2 Chore: Replace deprecated calls to context - batch 4 (fixes #6029) (#6087) (alberto)
+* 6df4b23 Fix: `no-return-assign` warning nested expressions (fixes #5913) (#6041) (Toru Nagashima)
+* 16fad58 Merge pull request #6088 from eslint/docs-one-var-per-line (alberto)
+* 0b67170 Docs: Correct default for `one-var-declaration-per-line` (fixes #6017) (#6022) (Ed Lee)
+* d40017f Fix: comma-style accounts for parens in array (fixes #6006) (#6038) (Kai Cataldo)
+* 992d9cf Docs: Fix typography/teriminology in indent doc (fixes #6045) (#6044) (Rich Trott)
+* 4ae39d2 Chore: Replace deprecated calls to context - batch 3 (refs #6029) (#6056) (alberto)
+* 8633e4d Update: multipass should not exit prematurely (fixes #5995) (#6048) (alberto)
+* 3c44c2c Update: Adds an avoidQuotes option for object-shorthand (fixes #3366) (#5870) (Chris Sauvé)
+* a9a4652 Fix: throw when rule uses `fix` but `meta.fixable` not set (fixes #5970) (#6043) (Vitor Balocco)
+* ad10106 Docs: Update comma-style docs (#6039) (Kai Cataldo)
+* 388d6f8 Fix: `no-sequences` false negative at arrow expressions (fixes #6082) (#6083) (Toru Nagashima)
+* 8e96064 Docs: Clarify rule example in README since we allow string error levels (#6061) (Kevin Partington)
+* a66bf19 Fix: `lines-around-comment` multiple errors on same line (fixes #5965) (#5994) (alberto)
+* a2cc54e Docs: Organize meta and describe visitor in Working with Rules (#5967) (Mark Pedrotti)
+* ef8cbff Fix: object-shorthand should only lint computed methods (fixes #6015) (#6024) (Kai Cataldo)
+* cd1b057 Chore: Replace deprecated calls to context - batch 2 (refs #6029) (#6049) (alberto)
+* a3a6e06 Update: no-irregal-whitespace in a regular expression (fixes #5840) (#6018) (Linda_pp)
+* 9b9d76c Chore: Replace deprecated calls to context - batch 1 (refs #6029) (#6034) (alberto)
+* dd8bf93 Fix: blockless else in max-statements-per-line (fixes #5926) (#5993) (Glen Mailer)
+* f84eb80 New: Add new rule `object-property-newline` (fixes #5667) (#5933) (Vitor Balocco)
+* d5f4104 Docs: mention parsing errors in strict mode (fixes #5485) (#5991) (Mark Pedrotti)
+* 249732e Docs: Move docs from eslint.github.io (fixes #5964) (#6012) (Nicholas C. Zakas)
+* 4c2de6c Docs: Add example of diff clarity to comma-dangle rule docs (#6035) (Vitor Balocco)
+* 3db2e89 Fix: Do not swallow exceptions in CLIEngine.getFormatter (fixes #5977) (#5978) (Gustav Nikolaj)
+* eb2fb44 Fix: Always ignore defaults unless explicitly passed (fixes #5547) (#5820) (Ian VanSchooten)
+* ab57e94 Docs: Add example of diff clarity to newline-per-chained-call (#5986) (Vitor Balocco)
+* 88bc014 Docs: Update readme info about jshint (#6027) (alberto)
+* a2c15cc Docs: put config example in code block (#6005) (Amos Wenger)
+* a5011cb Docs: Fix a wrong examples' header of `prefer-arrow-callback`. (#6020) (Toru Nagashima)
+* 1484ede Docs: Typo in nodejs-api (#6025) (alberto)
+* ade6a9b Docs: typo: "eslint-disable-line" not "eslint disable-line" (#6019) (Will Day)
+* 2f15354 Fix: Removed false positives of break and continue (fixes #5972) (#6000) (Onur Temizkan)
+
+v2.9.0 - April 29, 2016
+
+* a8a2cd8 Fix: Avoid autoconfig crashes from inline comments (fixes #5992) (#5999) (Ian VanSchooten)
+* 23b00e0 Upgrade: npm-license to 0.3.2 (fixes #5996) (#5998) (alberto)
+* 377167d Upgrade: ignore to 3.1.2 (fixes #5979) (#5988) (alberto)
+* 141b778 Fix: no-control-regex literal handling fixed. (fixes #5737) (#5943) (Efe Gürkan YALAMAN)
+* 577757d Fix: Clarify color option (fixes #5928) (#5974) (Grant Snodgrass)
+* e7e6581 Docs: Update CLA link (#5980) (Gustav Nikolaj)
+* 0be26bc Build: Add nodejs 6 to travis (fixes #5971) (#5973) (Gyandeep Singh)
+* e606523 New: Rule `no-unsafe-finally` (fixes #5808) (#5932) (Onur Temizkan)
+* 42d1ecc Chore: Add metadata to existing rules - Batch 7 (refs #5417) (#5969) (Vitor Balocco)
+* e2ad1ec Update: object-shorthand lints computed methods (fixes #5871) (#5963) (Chris Sauvé)
+* d24516a Chore: Add metadata to existing rules - Batch 6 (refs #5417) (#5966) (Vitor Balocco)
+* 1e7a3ef Fix: `id-match` false positive in property values (fixes #5885) (#5960) (Mike Sherov)
+* 51ddd4b Update: Use process @abstract when processing @return (fixes #5941) (#5945) (Simon Schick)
+* 52a4bea Update: Add autofix for `no-whitespace-before-property` (fixes #5927) (#5951) (alberto)
+* 46e058d Docs: Correct typo in configuring.md (#5957) (Nick S. Plekhanov)
+* 5f8abab Chore: Add metadata to existing rules - Batch 5 (refs #5417) (#5944) (Vitor Balocco)
+* 0562f77 Chore: Add missing newlines to test cases (fixes #5947) (Rich Trott)
+* fc78e78 Chore: Enable quote-props rule in eslint-config-eslint (refs #5188) (#5938) (Gyandeep Singh)
+* 43f6d05 Docs: Update docs to refer to column (#5937) (Sashko Stubailo)
+* 586478e Update: Add autofix for `comma-dangle` (fixes #3805) (#5925) (alberto)
+* a4f9c5a Docs: Distinguish examples in rules under Stylistic Issues part 3 (Kenneth Williams)
+* e7c0737 Chore: Enable no-console rule in eslint-config-eslint (refs #5188) (Kevin Partington)
+* 0023fe6 Build: Add “chore” to commit tags (fixes #5880) (#5929) (Mike Sherov)
+* 25d626a Upgrade: espree 3.1.4 (fixes #5923, fixes #5756) (Kai Cataldo)
+* a01b412 New: Add `no-useless-computed-key` rule (fixes #5402) (Burak Yigit Kaya)
+* 9afb9cb Chore: Remove workaround for espree and escope bugs (fixes #5852) (alberto)
+* 3ffc582 Chore: Update copyright and license info (alberto)
+* 249eb40 Docs: Clarify init sets up local installation (fixes #5874) (Kai Cataldo)
+* 6cd8c86 Docs: Describe options in rules under Possible Errors part 1 (Mark Pedrotti)
+* f842d18 Fix: `no-this-before-super` crash on unreachable paths (fixes #5894) (Toru Nagashima)
+* a02960b Docs: Fix missing delimiter in README links (Kevin Partington)
+* 3a9e72c Docs: Update developer guide with new standards (Nicholas C. Zakas)
+* cb78585 Update: Add `allowUnboundThis` to `prefer-arrow-callback` (fixes #4668) (Burak Yigit Kaya)
+* 02be29f Chore: Remove CLA check from bot (Nicholas C. Zakas)
+* 220713e Chore: Add metadata to existing rules - Batch 4 (refs #5417) (Vitor Balocco)
+* df53414 Chore: Include jQuery Foundation info (Nicholas C. Zakas)
+* f1b2992 Fix: `no-useless-escape` false positive in JSXAttribute (fixes #5882) (Toru Nagashima)
+* 74674ad Docs: Move `sort-imports` to 'ECMAScript 6' (Kenneth Williams)
+* ae69ddb Docs: Fix severity type in example (Kenneth Williams)
+* 19f6fff Update: Autofixing does multiple passes (refs #5329) (Nicholas C. Zakas)
+* 1e4b0ca Docs: Reduce length of paragraphs in rules index (Mark Pedrotti)
+* 8cfe1eb Docs: Fix a wrong option (Zach Orlovsky)
+* 8f6739f Docs: Add alberto as reviewer (alberto)
+* 2ae4938 Docs: Fix message for `inline-config` option (alberto)
+* 089900b Docs: Fix a wrong rule name in an example (Toru Nagashima)
+* c032b41 Docs: Fix emphasis (Toru Nagashima)
+* ae606f0 Docs: Update JSCS info in README (alberto)
+* a9c5323 Fix: Install ESLint on init if not installed (fixes #5833) (Kai Cataldo)
+* ed38358 Docs: Removed incorrect example (James M. Greene)
+* af3113c Docs: Fix config comments in indent docs (Brandon Mills)
+* 2b39461 Update: `commentPattern` option for `default-case` rule (fixes #5803) (Artyom Lvov)
+
+v2.8.0 - April 15, 2016
+
+* a8821a5 Docs: Distinguish examples in rules under Stylistic Issues part 2 (Kenneth Williams)
+* 76913b6 Update: Add metadata to existing rules - Batch 3 (refs #5417) (Vitor Balocco)
+* 34ad8d2 Fix: Check that module.paths exists (fixes #5791) (Nicholas C. Zakas)
+* 37239b1 Docs: Add new members of the team (Ilya Volodin)
+* fb3c2eb Update: allow template literals (fixes #5234) (Jonathan Haines)
+* 5a4a935 Update: Add metadata to existing rules - Batch 2 (refs #5417) (Vitor Balocco)
+* ea2e625 Fix: newline-before-return handles return as first token (fixes #5816) (Kevin Partington)
+* f8db9c9 Update: add nestedBinaryExpressions to no-extra-parens (fixes #3065) (Ilya Volodin)
+* 0045d57 Update: `allowNamedFunctions` in `prefer-arrow-callback` (fixes #5675) (alberto)
+* 19da72a Update: Add metadata to existing rules - Batch 1 (refs #5417) (Vitor Balocco)
+* cc14e43 Fix: `no-fallthrough` empty case with comment (fixes #5799) (alberto)
+* 13c8b14 Fix: LogicalExpression checks for short circuit (fixes #5693) (Vamshi krishna)
+* 73b225e Fix: Document and fix metadata (refs #5417) (Ilya Volodin)
+* 882d199 Docs: Improve options description in `no-redeclare` (alberto)
+* 6a71ceb Docs: Improve options description in `no-params-reassign` (alberto)
+* 24b6215 Update: Include 'typeof' in rule 'no-constant-condition' (fixes #5228) (Vamshi krishna)
+* a959063 Docs: Remove link to deprecated ESLintTester project (refs #3110) (Trey Thomas)
+* 6fd7d82 Update: Change order in `eslint --init` env options (fixes #5742) (alberto)
+* c59d909 Fix: Extra paren check around object arrow bodies (fixes #5789) (Brandon Mills)
+* 6f88546 Docs: Use double quotes for better Win compatibility (fixes #5796) (alberto)
+* 02743d5 Fix: catch self-assignment operators in `no-magic-number` (fixes #4400) (alberto)
+* c94e74e Docs: Make rule descriptions more consistent (Kenneth Williams)
+* 6028252 Docs: Distinguish examples in rules under Stylistic Issues part 1 (Mark Pedrotti)
+* ccd8ca9 Fix: Added property onlyDeclaration to id-match rule (fixes #3488) (Gajus Kuizinas)
+* 6703c02 Update: no-useless-escape / exact locations of errors (fixes #5751) (Onur Temizkan)
+* 3d84b91 Fix: ignore trailing whitespace in template literal (fixes #5786) (Kai Cataldo)
+* b0e6bc4 Update: add allowEmptyCatch option to no-empty (fixes #5800) (Kai Cataldo)
+* f1f1dd7 Docs: Add @pedrottimark as a committer (Brandon Mills)
+* 228f201 Update: `commentPattern` option for `no-fallthrough` rule (fixes #5757) (Artyom Lvov)
+* 41db670 Docs: Clarify disable inline comments (Kai Cataldo)
+* 9c9a295 Docs: Add note about shell vs node glob parameters in cli (alberto)
+* 5308ff9 Docs: Add code backticks to sentence in fixable rules (Mark Pedrotti)
+* 965ec06 Docs: fix the examples for space-before-function-paren. (Craig Silverstein)
+* 2b202fc Update: Add ignore option to space-before-function-parens (fixes #4127) (Craig Silverstein)
+* 24c12ba Fix: improve `constructor-super` errors for literals (fixes #5449) (Toru Nagashima)
+
+v2.7.0 - April 4, 2016
+
+* 134cb1f Revert "Update: adds nestedBinaryExpressions for no-extra-parens rule (fixes #3065)" (Ilya Volodin)
+* 7e80867 Docs: Update sentence in fixable rules (Mark Pedrotti)
+* 1b6d5a3 Update: adds nestedBinaryExpressions for no-extra-parens (fixes #3065) (Nick Fisher)
+* 4f93c32 Docs: Clarify `array-bracket-spacing` with newlines (fixes #5768) (alberto)
+* 161ddac Fix: remove `console.dir` (fixes #5770) (Toru Nagashima)
+* 0c33f6a Fix: indent rule uses wrong node for class indent level (fixes #5764) (Paul O’Shannessy)
+
+v2.6.0 - April 1, 2016
+
+* ce2accd Fix: vars-on-top now accepts exported variables (fixes #5711) (Olmo Kramer)
+* 7aacba7 Update: Deprecate option `maximum` in favor of `max` (fixes #5685) (Vitor Balocco)
+* 5fe6fca Fix: no-useless-escape \B regex escape (fixes #5750) (Onur Temizkan)
+* 9b73ffd Update: `destructuring` option of `prefer-const` rule (fixes #5594) (Toru Nagashima)
+* 8ac9206 Docs: Typo in `sort-imports` (alberto)
+* 12902c5 Fix: valid-jsdoc crash w/ Field & Array Type (fixes #5745) (fixes #5746) (Burak Yigit Kaya)
+* 2c8b65a Docs: Edit examples for a few rules (Mark Pedrotti)
+* d736bc2 Fix: Treat SwitchCase like a block in lines-around-comment (fixes #5718) (Scott O'Hara)
+* 24a61a4 Update: make `no-useless-escape` allowing line breaks (fixes #5689) (Toru Nagashima)
+* 4ecd45e Fix: Ensure proper lookup of config files (fixes #5175, fixes #5468) (Nicholas C. Zakas)
+* 088e26b Fix: Update doctrine to allow hyphens in JSDoc names (fixes #5612) (Kai Cataldo)
+* 692fd5d Upgrade: Old Chalk.JS deprecated method (fixes #5716) (Morris Singer)
+* f59d91d Update: no-param-reassign error msgs (fixes #5705) (Isaac Levy)
+* c1b16cd Fix: Object spread throws error in key-spacing rule. (fixes #5724) (Ziad El Khoury Hanna)
+* 3091613 Docs: Correct explanation about properties (James Monger)
+* cb0f0be Fix: Lint issue with `valid-jsdoc` rule (refs #5188) (Gyandeep Singh)
+* aba1954 Build: Ignore jsdoc folder internally (fixes #5714) (alberto)
+* a35f127 Fix: Lint for eslint project in regards to vars (refs #5188) (Gyandeep Singh)
+* d9ab4f0 Fix: Windows scoped package configs (fixes #5644) (Nicholas C. Zakas)
+* 8d0cd0d Update: Basic valid-jsdoc default parameter support (fixes #5658) (Tom Andrews)
+
+v2.5.3 - March 28, 2016
+
+* 8749ac5 Build: Disable bundling dependencies (fixes #5687) (Nicholas C. Zakas)
+
+v2.5.2 - March 28, 2016
+
+* 1cc7f8e Docs: Remove mention of minimatch for .eslintignore (Ian VanSchooten)
+* 5bd69a9 Docs: Reorder FAQ in README (alberto)
+* 98e6bd9 Fix: Correct default for indentation in `eslint --init` (fixes #5698) (alberto)
+* 679095e Fix: make the default of `options.cwd` in runtime (fixes #5694) (Toru Nagashima)
+* 4f06f2f Docs: Distinguish examples in rules under Best Practices part 2 (Mark Pedrotti)
+* 013a18e Build: Fix bundling script (fixes #5680) (Nicholas C. Zakas)
+* 8c5d954 Docs: Typo fix (István Donkó)
+* 09659d6 Docs: Use string severity (Kenneth Williams)
+* a4ae769 Docs: Manual changelog update for v2.5.1 (Nicholas C. Zakas)
+* c41fab9 Fix: don't use path.extname with undefined value (fixes #5678) (Myles Borins)
+
+v2.5.1 - March 25, 2016
+
+* Build: No functional changes, just republished with a working package.
+
+v2.5.0 - March 25, 2016
+
+* 7021aa9 Fix: lines-around-comment in ESLint repo, part 2 (refs #5188) (Kevin Partington)
+* 095c435 Docs: Remove ES2016 from experimental section of README (Kevin Partington)
+* 646f863 Build: Bundle dependencies in package.json (fixes #5013) (Nicholas C. Zakas)
+* ea06868 Docs: Clarify --ext does not apply to globs (fixes #5452) (Ian VanSchooten)
+* 569c478 Build: Fix phantomjs CI problems (fixes #5666) (alberto)
+* 6022426 Docs: Add link to chat room in README primary links (alberto)
+* 2fbb530 Docs: Add link to "Proposing a Rule Change" in README (alberto)
+* 25bf491 Upgrade: globals 9.x (fixes #5668) (Toru Nagashima)
+* d6f8409 New: Rule - No useless escape (fixes #5460) (Onur Temizkan)
+* 12a43f1 Docs: remove brace expansion from configuring.md (refs #5314) (Jonathan Haines)
+* 92d1749 New: max-statements-per-line (fixes #5424) (Kenneth Williams)
+* aaf324a Fix: missing support for json sub configs (fixes #5413) (Noam Okman)
+* 48ad5fe Update: Add 'caughtErrors' to rule no-unused-vars (fixes #3837) (vamshi)
+* ad90c2b Fix: incorrect config message (fixes #5653) (s0ph1e)
+* a551831 Docs: Distinguish examples in rules under Node.js and CommonJS (Mark Pedrotti)
+* 83cd651 Upgrade: chai to 3.5.0 (fixes #5647) (alberto)
+* 32748dc Fix: `radix` rule false positive at shadowed variables (fixes #5639) (Toru Nagashima)
+* 66db38d Fix: `--no-ignore` should not un-ignore default ignores (fixes #5547) (alberto)
+* e3e06f3 Docs: Distinguish examples in rules under Best Practices part 4 (Mark Pedrotti)
+* a9f0865 Docs: Update no-sequences rule docs for clarity (fixes #5536) (Kai Cataldo)
+* bae7b30 Docs: Add michaelficarra as committer (alberto)
+* e2990e7 Docs: Consistent wording in rules README (alberto)
+* 49b4d2a Docs: Update team list with new members (Ilya Volodin)
+* d0ae66c Update: Allow autoconfiguration for JSX code (fixes #5511) (Ian VanSchooten)
+* 38a0a64 Docs: Clarify `linebreak-style` docs (fixes #5628) (alberto)
+* 4b7305e Fix: Allow default ignored files to be unignored (fixes #5410) (Ian VanSchooten)
+* 4b05ce6 Update: Enforce repo coding conventions via ESLint (refs #5188) (Kevin Partington)
+* 051b255 Docs: Remove or rewrite references to former ecmaFeatures (Mark Pedrotti)
+* 9a22625 Fix: `prefer-const` false positive at non-blocked if (fixes #5610) (Toru Nagashima)
+* b1fd482 Fix: leading comments added from previous node (fixes #5531) (Kai Cataldo)
+* c335650 Docs: correct the no-confusing-arrow docs (Daniel Norman)
+* e94b77d Fix: Respect 'ignoreTrailingComments' in max-len rule (fixes #5563) (Vamshi Krishna)
+* 9289ef8 Fix: handle personal package.json without config (fixes #5496) (Denny Christochowitz)
+* 87d74b2 Fix: `prefer-const` got to not change scopes (refs #5284) (Toru Nagashima)
+* 5a881e7 Docs: Fix typo in code snippet for no-unmodified-loop-condition rule (Chris Rebert)
+* 03037c2 Update: Overrides for space-unary-ops (fixes #5060) (Afnan Fahim)
+* 24d986a Update: replace MD5 hashing of cache files with MurmurHash (fixes #5522) (Michael Ficarra)
+* f405030 Fix: Ensure allowing `await` as a property name (fixes #5564) (Toru Nagashima)
+* aefc90c Fix: `no-useless-constructor` clash (fixes #5573) (Toru Nagashima)
+* 9eaa20d Docs: Fix typo in CLI help message (ryym)
+* a7c3e67 Docs: Invalid json in `configuring.md` (alberto)
+* 4e50332 Docs: Make `prefer-template` examples consistent. (alberto)
+* cfc14a9 Fix: valid-jsdoc correctly checks type union (fixes #5260) (Kai Cataldo)
+* 689cb7d Fix: `quote-props` false positive on certain keys (fixes #5532) (Burak Yigit Kaya)
+* 167a03a Fix: `brace-style` erroneously ignoring certain errors (fixes #5197) (Burak Yigit Kaya)
+* 3133f28 Fix: object-curly-spacing doesn't know types (fixes #5537) (fixes #5538) (Burak Yigit Kaya)
+* d0ca171 Docs: Separate parser and config questions in issue template (Kevin Partington)
+* bc769ca Fix: Improve file path resolution (fixes #5314) (Ian VanSchooten)
+* 9ca8567 Docs: Distinguish examples in rules under Best Practices part 3 (Mark Pedrotti)
+* b9c69f1 Docs: Distinguish examples in rules under Variables part 2 (Mark Pedrotti)
+* c289414 New: `no-duplicate-imports` rule (fixes #3478) (Simen Bekkhus)
+
+v2.4.0 - March 11, 2016
+
+* 97b2466 Fix: estraverse/escope to work with unknowns (fixes #5476) (Nicholas C. Zakas)
+* 641b3f7 Fix: validate the type of severity level (fixes #5499) (Shinnosuke Watanabe)
+* 9ee8869 Docs: no-unused-expressions - add more edge unusable and usable examples (Brett Zamir)
+* 56bf864 Docs: Create parity between no-sequences examples (Brett Zamir)
+* 13ef1c7 New: add `--parser-options` to CLI (fixes #5495) (Jordan Harband)
+* ae1ee54 Docs: fix func-style arrow exception option (Craig Martin)
+* 91852fd Docs: no-lone-blocks - show non-problematic (and problematic) label (Brett Zamir)
+* b34458f Docs: Rearrange rules for better categories (and improve rule summaries) (Brett Zamir)
+* 1198b26 Docs: Minor README clarifications (Brett Zamir)
+* 03e6869 Fix: newline-before-return: bug with comment (fixes #5480) (mustafa)
+* ad100fd Fix: overindent in VariableDeclarator parens or brackets (fixes #5492) (David Greenspan)
+* 9b8e04b Docs: Replace all node references to Node.js which is the official name (Brett Zamir)
+* cc1f2f0 Docs: Minor fixes in no-new-func (Brett Zamir)
+* 6ab81d4 Docs: Distinguish examples in rules under Best Practices part 1 (Mark Pedrotti)
+* 9c6c70c Update: add `allowParens` option to `no-confusing-arrow` (fixes #5332) (Burak Yigit Kaya)
+* 979c096 Docs: Document linebreak-style as fixable. (Afnan Fahim)
+* 9f18a81 Fix: Ignore destructuring assignment in `object-shorthand` (fixes #5488) (alberto)
+* 5d9a798 Docs: README.md, prefer-const; change modified to reassigned (Michiel de Bruijne)
+* 38eb7f1 Fix: key-spacing checks ObjectExpression is multiline (fixes #5479) (Kevin Partington)
+* 9592c45 Fix: `no-unmodified-loop-condition` false positive (fixes #5445) (Toru Nagashima)
+
+v2.3.0 - March 4, 2016
+
+* 1b2c6e0 Update: Proposed no-magic-numbers option: ignoreJSXNumbers (fixes #5348) (Brandon Beeks)
+* 63c0b7d Docs: Fix incorrect environment ref. in Rules in Plugins. (fixes #5421) (Jesse McCarthy)
+* 124c447 Build: Add additional linebreak to docs (fixes #5464) (Ilya Volodin)
+* 0d3831b Docs: Add RuleTester parserOptions migration steps (Kevin Partington)
+* 50f4d5a Fix: extends chain (fixes #5411) (Toru Nagashima)
+* 0547072 Update: Replace getLast() with lodash.last() (fixes #5456) (Jordan Eldredge)
+* 8c29946 Docs: Distinguish examples in rules under Possible Errors part 1 (Mark Pedrotti)
+* 5319b4a Docs: Distinguish examples in rules under Possible Errors part 2 (Mark Pedrotti)
+* 1da2420 Fix: crash when SourceCode object was reused (fixes #5007) (Toru Nagashima)
+* 9e9daab New: newline-before-return rule (fixes #5009) (Kai Cataldo)
+* e1bbe45 Fix: Check space after anonymous generator star (fixes #5435) (alberto)
+* 119e0ed Docs: Distinguish examples in rules under Variables (Mark Pedrotti)
+* 905c049 Fix: `no-undef` false positive at new.target (fixes #5420) (Toru Nagashima)
+* 4a67b9a Update: Add ES7 support (fixes #5401) (Brandon Mills)
+* 89c757d Docs: Replace ecmaFeatures with parserOptions in working-with-rules (Kevin Partington)
+* 804c08e Docs: Add parserOptions to RuleTester section of working-with-rules (Kevin Partington)
+* 1982c50 Docs: Document string option for `no-unused-vars`. (alberto)
+* 4f82b2b Update: Support classes in `padded-blocks` (fixes #5092) (alberto)
+* ed5564f Docs: Specify results of `no-unused-var` with `args` (fixes #5334) (chinesedfan)
+* de0a4ef Fix: `getFormatter` throws an error when called as static (fixes #5378) (cowchimp)
+* 78f7ca9 Fix: Prevent crash from swallowing console.log (fixes #5381) (Ian VanSchooten)
+* 34b648d Fix: remove tests which have invalid syntax (fixes #5405) (Toru Nagashima)
+* 7de5ae4 Docs: Missing allow option in  docs (Scott O'Hara)
+* cf14c71 Fix: `no-useless-constructor` rule crashes sometimes (fixes #5290) (Burak Yigit Kaya)
+* 70e3a02 Update: Allow string severity in config (fixes #3626) (Nicholas C. Zakas)
+* 13c7c19 Update: Exclude ES5 constructors from consistent-return (fixes #5379) (Kevin Locke)
+* 784d3bf Fix: Location info in `dot-notation` rule (fixes #5397) (Gyandeep Singh)
+* 6280b2d Update: Support switch statements in padded-blocks (fixes #5056) (alberto)
+* 25a5b2c Fix: Allow irregular whitespace in comments (fixes #5368) (Christophe Porteneuve)
+* 560c0d9 New: no-restricted-globals rule implementation (fixes #3966) (Benoît Zugmeyer)
+* c5bb478 Fix: `constructor-super` false positive after a loop (fixes #5394) (Toru Nagashima)
+* 6c0c4aa Docs: Add Issue template (fixes #5313) (Kai Cataldo)
+* 1170e67 Fix: indent rule doesn't handle constructor instantiation (fixes #5384) (Nate Cavanaugh)
+* 6bc9932 Fix: Avoid magic numbers in rule options (fixes #4182) (Brandon Beeks)
+* 694e1c1 Fix: Add tests to cover default magic number tests (fixes #5385) (Brandon Beeks)
+* 0b5349d Fix: .eslintignore paths should be absolute (fixes #5362) (alberto)
+* 8f6c2e7 Update: Better error message for plugins (refs #5221) (Nicholas C. Zakas)
+* 972d41b Update: Improve error message for rule-tester (fixes #5369) (Jeroen Engels)
+* fe3f6bd Fix: `no-self-assign` false positive at shorthand (fixes #5371) (Toru Nagashima)
+* 2376291 Docs: Missing space in `no-fallthrough` doc. (alberto)
+* 5aedb87 Docs: Add mysticatea as reviewer (Nicholas C. Zakas)
+* 1f9fd10 Update: no-invalid-regexp allows custom flags (fixes #5249) (Afnan Fahim)
+* f1eab9b Fix: Support for dash and slash in `valid-jsdoc` (fixes #1598) (Gyandeep Singh)
+* cd12a4b Fix:`newline-per-chained-call` should only warn on methods (fixes #5289) (Burak Yigit Kaya)
+* 0d1377d Docs: Add missing `symbol` type into valid list (Plusb Preco)
+* 6aa2380 Update: prefer-const; change modified to reassigned (fixes #5350) (Michiel de Bruijne)
+* d1d62c6 Fix: indent check for else keyword with Stroustrup style (fixes #5218) (Gyandeep Singh)
+* 7932f78 Build: Fix commit message validation (fixes #5340) (Nicholas C. Zakas)
+* 1c347f5 Fix: Cleanup temp files from tests (fixes #5338) (Nick)
+* 2f3e1ae Build: Change rules to warnings in perf test (fixes #5330) (Brandon Mills)
+* 36f40c2 Docs: Achieve consistent order of h2 in rule pages (Mark Pedrotti)
+
+v2.2.0 - February 19, 2016
+
+* 45a22b5 Docs: remove esprima-fb from suggested parsers (Henry Zhu)
+* a4d9cd3 Docs: Fix semi rule typo (Brandon Mills)
+* 9d005c0 Docs: Correct option name in `no-implicit-coercion` rule (Neil Kistner)
+* 2977248 Fix: Do not cache `.eslintrc.js` (fixes #5067) (Nick)
+* 211eb8f Fix: no-multi-spaces conflicts with smart tabs (fixes #2077) (Afnan Fahim)
+* 6dc9483 Fix: Crash in `constructor-super` (fixes #5319) (Burak Yigit Kaya)
+* 3f48875 Docs: Fix yield star spacing examples (Dmitriy Lazarev)
+* 4dab76e Docs: Update `preferType` heading to keep code format (fixes #5307) (chinesedfan)
+* 7020b82 Fix: `sort-imports` warned between default and members (fixes #5305) (Toru Nagashima)
+* 2f4cd1c Fix: `constructor-super` and `no-this-before-super` false (fixes #5261) (Toru Nagashima)
+* 59e9c5b New: eslint-disable-next-line (fixes #5206) (Kai Cataldo)
+* afb6708 Fix: `indent` rule forgot about some CallExpressions (fixes #5295) (Burak Yigit Kaya)
+* d18d406 Docs: Update PR creation bot message (fixes #5268) (Nicholas C. Zakas)
+* 0b1cd19 Fix: Ignore parser option if set to default parser (fixes #5241) (Kai Cataldo)
+
+v2.1.0 - February 15, 2016
+
+* 7981ef5 Build: Fix release script (Nicholas C. Zakas)
+* c9c34ea Fix: Skip computed members in `newline-per-chained-call` (fixes #5245) (Burak Yigit Kaya)
+* b32ddad Build: `npm run perf` command should check the exit code (fixes #5279) (Burak Yigit Kaya)
+* 6580d1c Docs: Fix incorrect `api.verify` JSDoc for `config` param (refs #5104) (Burak Yigit Kaya)
+* 1f47868 Docs: Update yield-star-spacing documentation for 2.0.0 (fixes #5272) (Burak Yigit Kaya)
+* 29da8aa Fix: `newline-after-var` crash on a switch statement (fixes #5277) (Toru Nagashima)
+* 86c5a20 Fix: `func-style` should ignore ExportDefaultDeclarations (fixes #5183) (Burak Yigit Kaya)
+* ba287aa Fix: Consolidate try/catches to top levels (fixes #5243) (Ian VanSchooten)
+* 3ef5da1 Docs: Update no-magic-numbers#ignorearrayindexes. (KazuakiM)
+* 0d6850e Update: Allow var declaration at end of block (fixes #5246) (alberto)
+* c1e3a73 Fix: Popular style init handles missing package.json keys (refs #5243) (Brandon Mills)
+* 68c6e22 Docs: fix default value of `keyword-spacing`'s overrides option. (Toru Nagashima)
+* 00fe46f Upgrade: inquirer (fixes #5265) (Bogdan Chadkin)
+* ef729d7 Docs: Remove option that is not being used in max-len rule (Thanos Lefteris)
+* 4a5ddd5 Docs: Fix rule config above examples for require-jsdoc (Thanos Lefteris)
+* c5cbc1b Docs: Add rule config above each example in jsx-quotes (Thanos Lefteris)
+* f0aceba Docs: Correct alphabetical ordering in rule list (Randy Coulman)
+* 1651ffa Docs: update migrating to 2.0.0 (fixes #5232) (Toru Nagashima)
+* 9078537 Fix: `indent` on variable declaration with separate array (fixes #5237) (Burak Yigit Kaya)
+* f8868b2 Docs: Typo fix in consistent-this rule doc fixes #5240 (Nicolas Froidure)
+* 44f6915 Fix: ESLint Bot mentions the wrong person for extra info (fixes #5229) (Burak Yigit Kaya)
+* c612a8e Fix: `no-empty-function` crash (fixes #5227) (Toru Nagashima)
+* ae663b6 Docs: Add links for issue documentation (Nicholas C. Zakas)
+* 717bede Build: Switch to using eslint-release (fixes #5223) (Nicholas C. Zakas)
+* 980e139 Fix: Combine all answers for processAnswers (fixes #5220) (Ian VanSchooten)
+* 1f2a1d5 Docs: Remove inline errors from doc examples (fixes #4104) (Burak Yigit Kaya)
+
+v2.0.0 - February 12, 2016
+
+* cc3a66b Docs: Issue message when more info is needed (Nicholas C. Zakas)
+* 2bc40fa Docs: Simplify hierarchy of headings in rule pages (Mark Pedrotti)
+* 1666254 Docs: Add note about only-whitespace rule for `--fix` (fixes #4774) (Burak Yigit Kaya)
+* 2fa09d2 Docs: Add `quotes` to related section of `prefer-template` (fixes #5192) (Burak Yigit Kaya)
+* 7b12995 Fix: `key-spacing` not enforcing no-space in minimum mode (fixes #5008) (Burak Yigit Kaya)
+* c1c4f4d Breaking: new `no-empty-function` rule (fixes #5161) (Toru Nagashima)
+
+v2.0.0-rc.1 - February 9, 2016
+
+* 4dad82a Update: Adding shared environment for node and browser (refs #5196) (Eli White)
+* b46c893 Fix: Config file relative paths (fixes #5164, fixes #5160) (Nicholas C. Zakas)
+* aa5b2ac Fix: no-whitespace-before-property fixes (fixes #5167) (Kai Cataldo)
+* 4e99924 Update: Replace several dependencies with lodash (fixes #5012) (Gajus Kuizinas)
+* 718dc68 Docs: Remove periods in rules' README for consistency. (alberto)
+* 7a47085 Docs: Correct `arrow-spacing` overview. (alberto)
+* a4cde1b Docs: Clarify global-require inside try/catch (fixes #3834) (Brandon Mills)
+* fd07925 Docs: Clarify docs for api.verify (fixes #5101, fixes #5104) (Burak Yigit Kaya)
+* 413247f New: Add a --print-config flag (fixes #5099) (Christopher Crouzet)
+* efeef42 Update: Implement auto fix for space-in-parens (fixes #5050) (alberto)
+* e07fdd4 Fix: code path analysis and labels (fixes #5171) (Toru Nagashima)
+* 2417bb2 Fix: `no-unmodified-loop-condition` false positive (fixes #5166) (Toru Nagashima)
+* fae1884 Fix: Allow same-line comments in padded-blocks (fixes #5055) (Brandon Mills)
+* a24d8ad Fix: Improve autoconfig logging (fixes #5119) (Ian VanSchooten)
+* e525923 Docs: Correct obvious inconsistencies in rules h2 elements (Mark Pedrotti)
+* 9675b5e Docs: `avoid-escape` does not allow backticks (fixes #5147) (alberto)
+* a03919a Fix: `no-unexpected-multiline` false positive (fixes #5148) (Feross Aboukhadijeh)
+* 74360d6 Docs: Note no-empty applies to empty block statements (fixes #5105) (alberto)
+* 6eeaa3f Build: Remove pending tests (fixes #5126) (Ian VanSchooten)
+* 02c83df Docs: Update docs/rules/no-plusplus.md (Sheldon Griffin)
+* 0c4de5c New: Added "table" formatter (fixes #4037) (Gajus Kuizinas)
+* 0a59926 Update: 'implied strict mode' ecmaFeature (fixes #4832) (Nick Evans)
+* 53a6eb3 Fix: Handle singular case in rule-tester error message (fixes #5141) (Bryan Smith)
+* 97ac91c Build: Increment eslint-config-eslint (Nicholas C. Zakas)
+
+v2.0.0-rc.0 - February 2, 2016
+
+* 973c499 Fix: `sort-imports` crash (fixes #5130) (Toru Nagashima)
+* e64b2c2 Breaking: remove `no-empty-label` (fixes #5042) (Toru Nagashima)
+* 79ebbc9 Breaking: update `eslint:recommended` (fixes #5103) (Toru Nagashima)
+* e1d7368 New: `no-extra-label` rule (fixes #5059) (Toru Nagashima)
+* c83b48c Fix: find ignore file only in cwd (fixes #5087) (Nicholas C. Zakas)
+* 3a24240 Docs: Fix jsdoc param names to match function param names (Thanos Lefteris)
+* 1d79746 Docs: Replace ecmaFeatures setting with link to config page (Thanos Lefteris)
+* e96ffd2 New: `template-curly-spacing` rule (fixes #5049) (Toru Nagashima)
+* 4b02902 Update: Extended no-console rule (fixes #5095) (EricHenry)
+* 757651e Docs: Remove reference to rules enabled by default (fixes #5100) (Brandon Mills)
+* 0d87f5d Docs: Clarify eslint-disable comments only affect rules (fixes #5005) (Brandon Mills)
+* 1e791a2 New: `no-self-assign` rule (fixes #4729) (Toru Nagashima)
+* c706eb9 Fix: reduced `no-loop-func` false positive (fixes #5044) (Toru Nagashima)
+* 3275e86 Update: Add extra aliases to consistent-this rule (fixes #4492) (Zachary Alexander Belford)
+* a227360 Docs: Replace joyent org with nodejs (Thanos Lefteris)
+* b2aedfe New: Rule to enforce newline after each call in the chain (fixes #4538) (Rajendra Patil)
+* d67bfdd New: `no-unused-labels` rule (fixes #5052) (Toru Nagashima)
+
+v2.0.0-beta.3 - January 29, 2016
+
+* 86a3e3d Update: Remove blank lines at beginning of files (fixes #5045) (Jared Sohn)
+* 4fea752 New: Autoconfiguration from source inspection (fixes #3567) (Ian VanSchooten)
+* 519f39f Breaking: Remove deprecated rules (fixes #5032) (Gyandeep Singh)
+* c75ee4a New: Add support for configs in plugins (fixes #3659) (Ilya Volodin)
+* 361377f Fix: `prefer-const` false positive reading before writing (fixes #5074) (Toru Nagashima)
+* ff2551d Build: Improve `npm run perf` command (fixes #5028) (Toru Nagashima)
+* bcca69b Update: add int32Hint option to `no-bitwise` rule (fixes #4873) (Maga D. Zandaqo)
+* e3f2683 Update: config extends dependency lookup (fixes #5023) (Nicholas C. Zakas)
+* a327a06 Fix: Indent rule for allman brace style scenario (fixes #5064) (Gyandeep Singh)
+* afdff6d Fix: `no-extra-bind` false positive (fixes #5058) (Toru Nagashima)
+* c1fad4f Update: add autofix support for spaced-comment (fixes #4969, fixes #5030) (Maga D. Zandaqo)
+* 889b942 Revert "Docs: Update readme for legend describing rules icons (refs #4355)" (Nicholas C. Zakas)
+* b0f21a0 Fix: `keyword-spacing` false positive in template strings (fixes #5043) (Toru Nagashima)
+* 53fa5d1 Fix: `prefer-const` false positive in a loop condition (fixes #5024) (Toru Nagashima)
+* 385d399 Docs: Update readme for legend describing rules icons (Kai Cataldo)
+* 505f1a6 Update: Allow parser to be relative to config (fixes #4985) (Nicholas C. Zakas)
+* 79e8a0b New: `one-var-declaration-per-line` rule (fixes #1622) (alberto)
+* 654e6e1 Update: Check extra Boolean calls in no-extra-boolean-cast (fixes #3650) (Andrew Sutton)
+
+v2.0.0-beta.2 - January 22, 2016
+
+* 3fa834f Docs: Fix formatter links (fixes #5006) (Gyandeep Singh)
+* 54b1bc8 Docs: Fix link in strict.md (fixes #5026) (Nick Evans)
+* e0c5cf7 Upgrade: Espree to 3.0.0 (fixes #5018) (Ilya Volodin)
+* 69f149d Docs: language tweaks (Andres Kalle)
+* 2b33c74 Update: valid-jsdoc to not require @return in constructors (fixes #4976) (Maga D. Zandaqo)
+* 6ac2e01 Docs: Fix description of exported comment (Mickael Jeanroy)
+* 29392f8 New: allow-multiline option on comma-dangle (fixes #4967) (Alberto Gimeno)
+* 05b8cb3 Update: Module overrides all 'strict' rule options (fixes #4936) (Nick Evans)
+* 8470474 New: Add metadata to few test rules (fixes #4494) (Ilya Volodin)
+* ba11c1b Docs: Add Algolia as sponsor to README (Nicholas C. Zakas)
+* b28a19d Breaking: Plugins envs and config removal (fixes #4782, fixes #4952) (Nicholas C. Zakas)
+* a456077 Docs: newline-after-var doesn't allow invalid options. (alberto)
+* 3e6a24e Breaking: Change `strict` default mode to "safe" (fixes #4961) (alberto)
+* 5b96265 Breaking: Update eslint:recommended (fixes #4953) (alberto)
+* 7457a4e Upgrade: glob to 6.x (fixes #4991) (Gyandeep Singh)
+* d3f4bdd Build: Cleanup for code coverage (fixes #4983) (Gyandeep Singh)
+* b8fbaa0 Fix: multiple message in TAP formatter (fixes #4975) (Simon Degraeve)
+* 990f8da Fix: `getNodeByRangeIndex` performance issue (fixes #4989) (Toru Nagashima)
+* 8ac1dac Build: Update markdownlint dependency to 0.1.0 (fixes #4988) (David Anson)
+* 5cd5429 Fix: function expression doc in call expression (fixes #4964) (Tim Schaub)
+* 4173baa Fix: `no-dupe-class-members` false positive (fixes #4981) (Toru Nagashima)
+* 12fe803 Breaking: Supports Unicode BOM (fixes #4878) (Toru Nagashima)
+* 1fc80e9 Build: Increment eslint-config-eslint (Nicholas C. Zakas)
+* e0a9024 Update: Report newline between template tag and literal (fixes #4210) (Rajendra Patil)
+* da3336c Update: Rules should get `sourceType` from Program node (fixes #4960) (Nick Evans)
+* a2ac359 Update: Make jsx-quotes fixable (refs #4377) (Gabriele Petronella)
+* ee1014d Fix: Incorrect error location for object-curly-spacing (fixes #4957) (alberto)
+* b52ed17 Fix: Incorrect error location for space-in-parens (fixes #4956) (alberto)
+* 9c1bafb Fix: Columns of parse errors are off by 1 (fixes #4896) (alberto)
+* 5e4841e New: 'id-blacklist' rule (fixes #3358) (Keith Cirkel)
+* 700b8bc Update: Add "allow" option to allow specific operators (fixes #3308) (Rajendra Patil)
+* d82eeb1 Update: Add describe around rule tester blocks (fixes #4907) (Ilya Volodin)
+* 2967402 Update: Add minimum value to integer values in schema (fixes #4941) (Ilya Volodin)
+* 7b632f8 Upgrade: Globals to ^8.18.0 (fixes #4728) (Gyandeep Singh)
+* 86e6e57 Fix: Incorrect error at EOF for no-multiple-empty-lines (fixes #4917) (alberto)
+* 7f058f3 Fix: Incorrect location for padded-blocks (fixes #4913) (alberto)
+* b3de8f7 Fix: Do not show ignore messages for default ignored files (fixes #4931) (Gyandeep Singh)
+* b1360da Update: Support multiLine and singleLine options (fixes #4697) (Rajendra Patil)
+* 82fbe09 Docs: Small semantic issue in documentation example (fixes #4937) (Marcelo Zarate)
+* 13a4e30 Docs: Formatting inconsistencies (fixes #4912) (alberto)
+* d487013 Update: Option to allow extra parens for cond assign (fixes #3317) (alberto)
+* 0f469b4 Fix: JSDoc for function expression on object property (fixes #4900) (Tim Schaub)
+* c2dee27 Update: Add module tests to no-extra-semi (fixes #4915) (Nicholas C. Zakas)
+* 5a633bf Update: Add `preferType` option to `valid-jsdoc` rule (fixes #3056) (Gyandeep Singh)
+* ebd01b7 Build: Fix version number on release (fixes #4921) (Nicholas C. Zakas)
+* 2d626a3 Docs: Fix typo in changelog (Nicholas C. Zakas)
+* c4c4139 Fix: global-require no longer warns if require is shadowed (fixes #4812) (Kevin Partington)
+* bbf7f27 New: provide config.parser via `parserName` on RuleContext (fixes #3670) (Ben Mosher)
+
+v2.0.0-beta.1 - January 11, 2016
+
+* 6c70d84 Build: Fix prerelease script (fixes #4919) (Nicholas C. Zakas)
+* d5c9435 New: 'sort-imports' rule (refs #3143) (Christian Schuller)
+* a8cfd56 Fix: remove duplicate of eslint-config-eslint (fixes #4909) (Toru Nagashima)
+* 19a9fbb Breaking: `space-before-blocks` ignores after keywords (fixes #1338) (Toru Nagashima)
+* c275b41 Fix: no-extra-parens ExpressionStatement restricted prods (fixes #4902) (Michael Ficarra)
+* b795850 Breaking: don't load ~/.eslintrc when using --config flag (fixes #4881) (alberto)
+* 3906481 Build: Add AppVeyor CI (fixes #4894) (Gyandeep Singh)
+* 6390862 Docs: Fix missing footnote (Yoshiya Hinosawa)
+* e5e06f8 Fix: Jsdoc comment for multi-line function expressions (fixes #4889) (Gyandeep Singh)
+* 7c9be60 Fix: Fix path errors in windows (fixes #4888) (Gyandeep Singh)
+* a1840e7 Fix: gray text was invisible on Solarized Dark theme (fixes #4886) (Jack Leigh)
+* fc9f528 Docs: Modify unnecessary flag docs in quote-props (Matija Marohnić)
+* 186e8f0 Update: Ignore camelcase in object destructuring (fixes #3185) (alberto)
+* 7c97201 Upgrade: doctrine version to 1.1.0 (fixes #4854) (Tim Schaub)
+* ceaf324 New: Add no-new-symbol rule (fixes #4862) (alberto)
+* e2f2b66 Breaking: Remove defaults from `eslint:recommended` (fixes #4809) (Ian VanSchooten)
+* 0b3c01e Docs: Specify default for func-style (fixes #4834) (Ian VanSchooten)
+* 008ea39 Docs: Document default for operator assignment (fixes #4835) (alberto)
+* b566f56 Docs: no-new-func typo (alberto)
+* 1569695 Update: Adds default 'that' for consistent-this (fixes #4833) (alberto)
+* f7b28b7 Docs: clarify `requireReturn` option for valid-jsdoc rule (fixes #4859) (Tim Schaub)
+* 407f329 Build: Fix prerelease script (Nicholas C. Zakas)
+* 688f277 Fix: Set proper exit code for Node > 0.10 (fixes #4691) (Nicholas C. Zakas)
+* 58715e9 Fix: Use single quotes in context.report messages (fixes #4845) (Joe Lencioni)
+* 5b7586b Fix: do not require a @return tag for @interface (fixes #4860) (Tim Schaub)
+* d43f26c Breaking: migrate from minimatch to node-ignore (fixes #2365) (Stefan Grönke)
+* c07ca39 Breaking: merges keyword spacing rules (fixes #3869) (Toru Nagashima)
+* 871f534 Upgrade: Optionator version to 0.8.1 (fixes #4851) (Eric Johnson)
+* 82d4cd9 Update: Add atomtest env (fixes #4848) (Andres Suarez)
+* 9c9beb5 Update: Add "ignore" override for operator-linebreak (fixes #4294) (Rajendra Patil)
+* 9c03abc Update: Add "allowCall" option (fixes #4011) (Rajendra Patil)
+* 29516f1 Docs: fix migration guide for no-arrow-condition rule (Peter Newnham)
+* 2ef7549 Docs: clarify remedy to some prefer-const errors (Turadg Aleahmad)
+* 1288ba4 Update: Add default limit to `complexity` (fixes #4808) (Ian VanSchooten)
+* d3e8179 Fix: env is rewritten by modules (fixes #4814) (Toru Nagashima)
+* fd72aba Docs: Example fix for `no-extra-parens` rule (fixes #3527) (Gyandeep Singh)
+* 315f272 Fix: Change max-warnings type to Int (fixes #4660) (George Zahariev)
+* 5050768 Update: Ask for `commonjs` under config init (fixes #3553) (Gyandeep Singh)
+* 4665256 New: Add no-whitespace-before-property rule (fixes #1086) (Kai Cataldo)
+* f500d7d Fix: allow extending @scope/eslint/file (fixes #4800) (André Cruz)
+* 5ab564e New: 'ignoreArrayIndexes' option for 'no-magic-numbers' (fixes #4370) (Christian Schuller)
+* 97cdb95 New: Add no-useless-constructor rule (fixes #4785) (alberto)
+* b9bcbaf Fix: Bug in no-extra-bind (fixes #4806) (Andres Kalle)
+* 246a6d2 Docs: Documentation fix (Andres Kalle)
+* 9ea6b36 Update: Ignore case in jsdoc tags (fixes #4576) (alberto)
+* acdda24 Fix: ignore argument parens in no-unexpected-multiline (fixes #4658) (alberto)
+* 4931f56 Update: optionally allow bitwise operators (fixes #4742) (Swaagie)
+
+v2.0.0-alpha-2 - December 23, 2015
+
+* Build: Add prerelease script (Nicholas C. Zakas)
+* Update: Allow to omit semi for one-line blocks (fixes #4385) (alberto)
+* Fix: Handle getters and setters in key-spacing (fixes #4792) (Brandon Mills)
+* Fix: ObjectRestSpread throws error in key-spacing rule (fixes #4763) (Ziad El Khoury Hanna)
+* Docs: Typo in generator-star (alberto)
+* Fix: Backtick behavior in quotes rule (fixes #3090) (Nicholas C. Zakas)
+* Fix: Empty schemas forbid any options (fixes #4789) (Brandon Mills)
+* Fix: Remove `isMarkedAsUsed` function name (fixes #4783) (Gyandeep Singh)
+* Fix: support arrow functions in no-return-assign (fixes #4743) (alberto)
+* Docs: Add license header to Working with Rules guide (Brandon Mills)
+* Fix: RuleTester to show parsing errors (fixes #4779) (Nicholas C. Zakas)
+* Docs: Escape underscores in no-path-concat (alberto)
+* Update: configuration for classes in space-before-blocks (fixes #4089) (alberto)
+* Docs: Typo in no-useless-concat (alberto)
+* Docs: fix typos, suggests (molee1905)
+* Docs: Typos in space-before-keywords and space-unary-ops (fixes #4771) (alberto)
+* Upgrade: beefy to ^2.0.0, fixes installation errors (fixes #4760) (Kai Cataldo)
+* Docs: Typo in no-unexpected-multiline (fixes #4756) (alberto)
+* Update: option to ignore top-level max statements (fixes #4309) (alberto)
+* Update: Implement auto fix for semi-spacing rule (fixes #3829) (alberto)
+* Fix: small typos in code examples (Plusb Preco)
+* Docs: Add section on file extensions to user-guide/configuring (adam)
+* Fix: Comma first issue in `indent` (fixes #4739, fixes #3456) (Gyandeep Singh)
+* Fix: no-constant-condition false positive (fixes #4737) (alberto)
+* Fix: Add source property for fatal errors (fixes #3325) (Gyandeep Singh)
+* New: Add a comment length option to the max-len rule (fixes #4665) (Ian)
+* Docs: RuleTester doesn't require any tests (fixes #4681) (alberto)
+* Fix: Remove path analysis from debug log (fixes #4631) (Ilya Volodin)
+* Fix: Set null to property ruleId when fatal is true (fixes #4722) (Sébastien Règne)
+* New: Visual Studio compatible formatter (fixes #4708) (rhpijnacker)
+* New: Add greasemonkey environment (fixes #4715) (silverwind)
+* Fix: always-multiline for comma-dangle import (fixes #4704) (Nicholas C. Zakas)
+* Fix: Check 1tbs non-block else (fixes #4692) (Nicholas C. Zakas)
+* Fix: Apply environment configs last (fixes #3915) (Nicholas C. Zakas)
+* New: `no-unmodified-loop-condition` rule (fixes #4523) (Toru Nagashima)
+* Breaking: deprecate `no-arrow-condition` rule (fixes #4417) (Luke Karrys)
+* Update: Add cwd option for cli-engine (fixes #4472) (Ilya Volodin)
+* New: Add no-confusing-arrow rule (refs #4417) (Luke Karrys)
+* Fix: ensure `ConfigOps.merge` do a deep copy (fixes #4682) (Toru Nagashima)
+* Fix: `no-invalid-this` allows this in static method (fixes #4669) (Toru Nagashima)
+* Fix: Export class syntax for `require-jsdoc` rule (fixes #4667) (Gyandeep Singh)
+* Update: Add "safe" mode to strict (fixes #3306) (Brandon Mills)
+
+v2.0.0-alpha-1 - December 11, 2015
+
+* Breaking: Correct links between variables and references (fixes #4615) (Toru Nagashima)
+* Fix: Update rule tests for parser options (fixes #4673) (Nicholas C. Zakas)
+* Breaking: Implement parserOptions (fixes #4641) (Nicholas C. Zakas)
+* Fix: max-len rule overestimates the width of some tabs (fixes #4661) (Nick Evans)
+* New: Add no-implicit-globals rule (fixes #4542) (Joshua Peek)
+* Update: `no-use-before-define` checks invalid initializer (fixes #4280) (Toru Nagashima)
+* Fix: Use oneValuePerFlag for --ignore-pattern option (fixes #4507) (George Zahariev)
+* New: `array-callback-return` rule (fixes #1128) (Toru Nagashima)
+* Upgrade: Handlebars to >= 4.0.5 for security reasons (fixes #4642) (Jacques Favreau)
+* Update: Add class body support to `indent` rule (fixes #4372) (Gyandeep Singh)
+* Breaking: Remove space-after-keyword newline check (fixes #4149) (Nicholas C. Zakas)
+* Breaking: Treat package.json like the rest of configs (fixes #4451) (Ilya Volodin)
+* Docs: writing mistake (molee1905)
+* Update: Add 'method' option to no-empty (fixes #4605) (Kai Cataldo)
+* Breaking: Remove autofix from eqeqeq (fixes #4578) (Ilya Volodin)
+* Breaking: Remove ES6 global variables from builtins (fixes #4085) (Brandon Mills)
+* Fix: Handle forbidden LineTerminators in no-extra-parens (fixes #4229) (Brandon Mills)
+* Update: Option to ignore constructor Fns object-shorthand (fixes #4487) (Kai Cataldo)
+* Fix: Check YieldExpression argument in no-extra-parens (fixes #4608) (Brandon Mills)
+* Fix: Do not cache `package.json` (fixes #4611) (Spain)
+* Build: Consume no-underscore-dangle allowAfterThis option (fixes #4599) (Kevin Partington)
+* New: Add no-restricted-imports rule (fixes #3196) (Guy Ellis)
+* Docs: no-extra-semi no longer refers to deprecated rule (fixes #4598) (Kevin Partington)
+* Fix: `consistent-return` checks the last (refs #3530, fixes #3373) (Toru Nagashima)
+* Update: add class option to `no-use-before-define` (fixes #3944) (Toru Nagashima)
+* Breaking: Simplify rule schemas (fixes #3625) (Nicholas C. Zakas)
+* Docs: Update docs/rules/no-plusplus.md (Xiangyun Chi)
+* Breaking: added bower_components to default ignore (fixes #3550) (Julian Laval)
+* Fix: `no-unreachable` with the code path (refs #3530, fixes #3939) (Toru Nagashima)
+* Fix: `no-this-before-super` with the code path analysis (refs #3530) (Toru Nagashima)
+* Fix: `no-fallthrough` with the code path analysis (refs #3530) (Toru Nagashima)
+* Fix: `constructor-super` with the code path analysis (refs #3530) (Toru Nagashima)
+* Breaking: Switch to Espree 3.0.0 (fixes #4334) (Nicholas C. Zakas)
+* Breaking: Freeze context object (fixes #4495) (Nicholas C. Zakas)
+* Docs: Add Code of Conduct (fixes #3095) (Nicholas C. Zakas)
+* Breaking: Remove warnings of readonly from `no-undef` (fixes #4504) (Toru Nagashima)
+* Update: allowAfterThis option in no-underscore-dangle (fixes #3435) (just-boris)
+* Fix: Adding options unit tests for --ignore-pattern (refs #4507) (Kevin Partington)
+* Breaking: Implement yield-star-spacing rule (fixes #4115) (Bryan Smith)
+* New: `prefer-rest-params` rule (fixes #4108) (Toru Nagashima)
+* Update: `prefer-const` begins to cover separating init (fixes #4474) (Toru Nagashima)
+* Fix: `no-eval` come to catch indirect eval (fixes #4399, fixes #4441) (Toru Nagashima)
+* Breaking: Default no-magic-numbers to none. (fixes #4193) (alberto)
+* Breaking: Allow empty arrow body (fixes #4411) (alberto)
+* New: Code Path Analysis (fixes #3530) (Toru Nagashima)
+
+v1.10.3 - December 1, 2015
+
+* Docs: Update strict rule docs (fixes #4583) (Nicholas C. Zakas)
+* Docs: Reference .eslintrc.* in contributing docs (fixes #4532) (Kai Cataldo)
+* Fix: Add for-of to `curly` rule (fixes #4571) (Kai Cataldo)
+* Fix: Ignore space before function in array start (fixes #4569) (alberto)
+
+v1.10.2 - November 27, 2015
+
+* Upgrade: escope@3.3.0 (refs #4485) (Nicholas C. Zakas)
+* Upgrade: Pinned down js-yaml to avoid breaking dep (fixes #4553) (alberto)
+* Fix: lines-around-comment with multiple comments (fixes #3509) (alberto)
+* Upgrade: doctrine@0.7.1 (fixes #4545) (Kevin Partington)
+* Fix: Bugfix for eqeqeq autofix (fixes #4540) (Kevin Partington)
+* Fix: Add for-in to `curly` rule (fixes #4436) (Kai Cataldo)
+* Fix: `valid-jsdoc` unneeded require check fix (fixes #4527) (Gyandeep Singh)
+* Fix: `brace-style` ASI fix for if-else condition (fixes #4520) (Gyandeep Singh)
+* Build: Add branch update during release process (fixes #4491) (Gyandeep Singh)
+* Build: Allow revert commits in commit messages (fixes #4452) (alberto)
+* Fix: Incorrect location in no-fallthrough (fixes #4516) (alberto)
+* Fix: `no-spaced-func` had been crashed (fixes #4508) (Toru Nagashima)
+* Fix: Add a RestProperty test of `no-undef` (fixes #3271) (Toru Nagashima)
+* Docs: Load badge from HTTPS (Brian J Brennan)
+* Build: Update eslint bot messages (fixes #4497) (Nicholas C. Zakas)
+
+v1.10.1 - November 20, 2015
+
+* Fix: Revert freezing context object (refs #4495) (Nicholas C. Zakas)
+* 1.10.0 (Nicholas C. Zakas)
+
+v1.10.0 - November 20, 2015
+
+* Docs: Remove dupes from changelog (Nicholas C. Zakas)
+* Update: --init to create extensioned files (fixes #4476) (Nicholas C. Zakas)
+* Docs: Update description of exported comment (fixes #3916) (Nicholas C. Zakas)
+* Docs: Move legacy rules to stylistic (files #4111) (Nicholas C. Zakas)
+* Docs: Clean up description of recommended rules (fixes #4365) (Nicholas C. Zakas)
+* Docs: Fix home directory config description (fixes #4398) (Nicholas C. Zakas)
+* Update: Add class support to `require-jsdoc` rule (fixes #4268) (Gyandeep Singh)
+* Update: return type error in `valid-jsdoc` rule (fixes #4443) (Gyandeep Singh)
+* Update: Display errors at the place where fix should go (fixes #4470) (nightwing)
+* Docs: Fix typo in default `cacheLocation` value (Andrew Hutchings)
+* Fix: Handle comments in block-spacing (fixes #4387) (alberto)
+* Update: Accept array for `ignorePattern` (fixes #3982) (Jesse McCarthy)
+* Update: replace label and break with IIFE and return (fixes #4459) (Ilya Panasenko)
+* Fix: space-before-keywords false positive (fixes #4449) (alberto)
+* Fix: Improves performance (refs #3530) (Toru Nagashima)
+* Fix: Autofix quotes produces invalid javascript (fixes #4380) (nightwing)
+* Docs: Update indent.md (Nathan Brown)
+* New: Disable comment config option (fixes #3901) (Matthew Riley MacPherson)
+* New: Config files with extensions (fixes #4045, fixes #4263) (Nicholas C. Zakas)
+* Revert "Update: Add JSX exceptions to no-extra-parens (fixes #4229)" (Brandon Mills)
+* Update: Add JSX exceptions to no-extra-parens (fixes #4229) (Brandon Mills)
+* Docs: Replace link to deprecated rule with newer rule (Andrew Marshall)
+* Fix: `no-extend-native` crashed at empty defineProperty (fixes #4438) (Toru Nagashima)
+* Fix: Support empty if blocks in lines-around-comment (fixes #4339) (alberto)
+* Fix: `curly` warns wrong location for `else` (fixes #4362) (Toru Nagashima)
+* Fix: `id-length` properties never option (fixes #4347) (Toru Nagashima)
+* Docs: missing close rbracket in example (@storkme)
+* Revert "Update: Allow empty arrow body (fixes #4411)" (Nicholas C. Zakas)
+* Fix: eqeqeq autofix avoids clashes with space-infix-ops (fixes #4423) (Kevin Partington)
+* Docs: Document semi-spacing behaviour (fixes #4404) (alberto)
+* Update: Allow empty arrow body (fixes #4411) (alberto)
+* Fix: Handle comments in comma-spacing (fixes #4389) (alberto)
+* Update: Refactor eslint.verify args (fixes #4395) (Nicholas C. Zakas)
+* Fix: no-undef-init should ignore const (fixes #4284) (Nicholas C. Zakas)
+* Fix: Add the missing "as-needed" docs to the radix rule (fixes #4364) (Michał Gołębiowski)
+* Fix: Display singular/plural version of "line" in message (fixes #4359) (Marius Schulz)
+* Update: Add Popular Style Guides (fixes #4320) (Jamund Ferguson)
+* Fix: eslint.report can be called w/o node if loc provided (fixes #4220) (Kevin Partington)
+* Update: no-implicit-coercion validate AssignmentExpression (fixes #4348) (Ilya Panasenko)
+
+v1.9.0 - November 6, 2015
+
+* Update: Make radix accept a "as-needed" option (fixes #4048) (Michał Gołębiowski)
+* Fix: Update the message to include number of lines (fixes #4342) (Brian Delahunty)
+* Docs: ASI causes problem whether semicolons are used or not (Thai Pangsakulyanont)
+* Fix: Fixer to not overlap ranges among fix objects (fixes #4321) (Gyandeep Singh)
+* Update: Add default to `max-nested-callbacks` (fixes #4297) (alberto)
+* Fix: Check comments in space-in-parens (fixes #4302) (alberto)
+* Update: Add quotes to error messages to improve clarity (fixes #4313) (alberto)
+* Fix: tests failing due to differences in temporary paths (fixes #4324) (alberto)
+* Fix: Make tests compatible with Windows (fixes #4315) (Ian VanSchooten)
+* Update: Extract glob and filesystem logic from cli-engine (fixes #4305) (Ian VanSchooten)
+* Build: Clarify commit-check messages (fixes #4256) (Ian VanSchooten)
+* Upgrade: Upgrade various dependencies (fixes #4303) (Gyandeep Singh)
+* Build: Add node 5 to travis build (fixes #4310) (Gyandeep Singh)
+* Fix: ensure using correct estraverse (fixes #3951) (Toru Nagashima)
+* Docs: update docs about using gitignore (Mateusz Derks)
+* Update: Detect and fix wrong linebreaks (fixes #3981) (alberto)
+* New: Add no-case-declarations rule (fixes #4278) (Erik Arvidsson)
+
+v1.8.0 - October 30, 2015
+
+* Fix: Check for node property before testing type (fixes #4298) (Ian VanSchooten)
+* Docs: Specify 'double' as default for quotes (fixes #4270) (Ian VanSchooten)
+* Fix: Missing errors in space-in-parens (fixes #4257, fixes #3996) (alberto)
+* Docs: fixed typo (Mathieu M-Gosselin)
+* Fix: `cacheLocation` handles paths in windows style. (fixes #4285) (royriojas)
+* Docs: fixed typo (mpal9000)
+* Update: Add support for class in `valid-jsdoc` rule (fixes #4279) (Gyandeep Singh)
+* Update: cache-file accepts a directory. (fixes #4241) (royriojas)
+* Update: Add `maxEOF` to no-multiple-empty-lines (fixes #4235) (Adrien Vergé)
+* Update: fix option for comma-spacing (fixes #4232) (HIPP Edgar (PRESTA EXT))
+* Docs: Fix use of wrong word in configuration doc (Jérémie Astori)
+* Fix: Prepare config before verifying SourceCode (fixes #4230) (Ian VanSchooten)
+* Update: RuleTester come to check AST was not modified (fixes #4156) (Toru Nagashima)
+* Fix: wrong count for 'no-multiple-empty-lines' on last line (fixes #4228) (alberto)
+* Update: Add `allow` option to `no-shadow` rule (fixes #3035) (Gyandeep Singh)
+* Doc: Correct the spelling of Alberto's surname (alberto)
+* Docs: Add alberto as a committer (Gyandeep Singh)
+* Build: Do not stub console in testing (fixes #1328) (Gyandeep Singh)
+* Fix: Check node exists before checking type (fixes #4231) (Ian VanSchooten)
+* Update: Option to exclude afterthoughts from no-plusplus (fixes #4093) (Brody McKee)
+* New: Add rule no-arrow-condition (fixes #3280) (Luke Karrys)
+* Update: Add linebreak style option to eol-last (fixes #4148) (alberto)
+* New: arrow-body-style rule (fixes #4109) (alberto)
+
+v1.7.3 - October 21, 2015
+
+* Fix: Support comma-first style in key-spacing (fixes #3877) (Brandon Mills)
+* Fix: no-magic-numbers: variable declarations (fixes #4192) (Ilya Panasenko)
+* Fix: Support ES6 shorthand in key-spacing (fixes #3678) (Brandon Mills)
+* Fix: `indent` array with memberExpression (fixes #4203) (Gyandeep Singh)
+* Fix: `indent` param function on sameline (fixes #4174) (Gyandeep Singh)
+* Fix: no-multiple-empty-lines fails when empty line at EOF (fixes #4214) (alberto)
+* Fix: `comma-dangle` false positive (fixes #4200) (Nicholas C. Zakas)
+* Fix: `valid-jsdoc` prefer problem (fixes #4205) (Nicholas C. Zakas)
+* Docs: Add missing single-quote (Kevin Lamping)
+* Fix: correct no-multiple-empty-lines at EOF (fixes #4140) (alberto)
+
+v1.7.2 - October 19, 2015
+
+* Fix: comma-dangle confused by parens (fixes #4195) (Nicholas C. Zakas)
+* Fix: no-mixed-spaces-and-tabs (fixes #4189, fixes #4190) (alberto)
+* Fix: no-extend-native disallow using Object.properties (fixes #4180) (Nathan Woltman)
+* Fix: no-magic-numbers should ignore Number.parseInt (fixes #4167) (Henry Zhu)
+
+v1.7.1 - October 16, 2015
+
+* Fix: id-match schema (fixes #4155) (Nicholas C. Zakas)
+* Fix: no-magic-numbers should ignore parseInt (fixes #4167) (Nicholas C. Zakas)
+* Fix: `indent` param function fix (fixes #4165, fixes #4164) (Gyandeep Singh)
+
+v1.7.0 - October 16, 2015
+
+* Fix: array-bracket-spacing for empty array (fixes #4141) (alberto)
+* Fix: `indent` arrow function check fix (fixes #4142) (Gyandeep Singh)
+* Update: Support .js files for config (fixes #3102) (Gyandeep Singh)
+* Fix: Make eslint-config-eslint work (fixes #4145) (Nicholas C. Zakas)
+* Fix: `prefer-arrow-callback` had been wrong at arguments (fixes #4095) (Toru Nagashima)
+* Docs: Update various rules docs (Nicholas C. Zakas)
+* New: Create eslint-config-eslint (fixes #3525) (Nicholas C. Zakas)
+* Update: RuleTester allows string errors in invalid cases (fixes #4117) (Kevin Partington)
+* Docs: Reference no-unexpected-multiline in semi (fixes #4114) (alberto)
+* Update: added exceptions to `lines-around-comment` rule. (fixes #2965) (Mathieu M-Gosselin)
+* Update: Add `matchDescription` option to `valid-jsdoc` (fixes #2449) (Gyandeep Singh)
+* Fix: check for objects or arrays in array-bracket-spacing (fixes #4083) (alberto)
+* Docs: Alphabetize Rules lists (Kenneth Chung)
+* Fix: message templates fail when no parameters are passed (fixes #4080) (Ilya Volodin)
+* Fix: `indent` multi-line function call (fixes #4073, fixes #4075) (Gyandeep Singh)
+* Docs: Improve comma-dangle documentation (Gilad Peleg)
+* Fix: no-mixed-tabs-and-spaces fails with some comments (fixes #4086) (alberto)
+* Fix: `semi` to check for do-while loops (fixes #4090) (Gyandeep Singh)
+* Build: Fix path related failures on Windows in tests (fixes #4061) (Burak Yigit Kaya)
+* Fix: `no-unused-vars` had been missing some parameters (fixes #4047) (Toru Nagashima)
+* Fix: no-mixed-spaces-and-tabs with comments and templates (fixes #4077) (alberto)
+* Update: Add `allow` option for `no-underscore-dangle` rule (fixes #2135) (Gyandeep Singh)
+* Update: `allowArrowFunctions` option for `func-style` rule (fixes #1897) (Gyandeep Singh)
+* Fix: Ignore template literals in no-mixed-tabs-and-spaces (fixes #4054) (Nicholas C. Zakas)
+* Build: Enable CodeClimate (fixes #4068) (Nicholas C. Zakas)
+* Fix: `no-cond-assign` had needed double parens in `for` (fixes #4023) (Toru Nagashima)
+* Update: Ignore end of function in newline-after-var (fixes #3682) (alberto)
+* Build: Performance perf to not ignore jshint file (refs #3765) (Gyandeep Singh)
+* Fix: id-match bug incorrectly errors on `NewExpression` (fixes #4042) (Burak Yigit Kaya)
+* Fix: `no-trailing-spaces` autofix to handle linebreaks (fixes #4050) (Gyandeep Singh)
+* Fix: renamed no-magic-number to no-magic-numbers (fixes #4053) (Vincent Lemeunier)
+* New: add "consistent" option to the "curly" rule (fixes #2390) (Benoît Zugmeyer)
+* Update: Option to ignore for loops in init-declarations (fixes #3641) (alberto)
+* Update: Add webextensions environment (fixes #4051) (Blake Winton)
+* Fix: no-cond-assign should report assignment location (fixes #4040) (alberto)
+* New: no-empty-pattern rule (fixes #3668) (alberto)
+* Upgrade: Upgrade globals to 8.11.0 (fixes #3599) (Burak Yigit Kaya)
+* Docs: Re-tag JSX code fences (fixes #4020) (Brandon Mills)
+* New: no-magic-number rule (fixes #4027) (Vincent Lemeunier)
+* Docs: Remove list of users from README (fixes #3881) (Brandon Mills)
+* Fix: `no-redeclare` and `no-sahadow` for builtin globals (fixes #3971) (Toru Nagashima)
+* Build: Add `.eslintignore` file for the project (fixes #3765) (Gyandeep Singh)
+
+v1.6.0 - October 2, 2015
+
+* Fix: cache is basically not working (fixes #4008) (Richard Hansen)
+* Fix: a test failure on Windows (fixes #3968) (Toru Nagashima)
+* Fix: `no-invalid-this` had been missing globals in node (fixes #3961) (Toru Nagashima)
+* Fix: `curly` with `multi` had false positive (fixes #3856) (Toru Nagashima)
+* Build: Add load performance check inside perf function (fixes #3994) (Gyandeep Singh)
+* Fix: space-before-keywords fails with super keyword (fixes #3946) (alberto)
+* Fix: CLI should not fail on account of ignored files (fixes #3978) (Dominic Barnes)
+* Fix: brace-style rule incorrectly flagging switch (fixes #4002) (Aparajita Fishman)
+* Update: Implement auto fix for space-unary-ops rule (fixes #3976) (alberto)
+* Update: Implement auto fix for computed-property-spacing (fixes #3975) (alberto)
+* Update: Implement auto fix for no-multi-spaces rule (fixes #3979) (alberto)
+* Fix: Report shorthand method names in complexity rule (fixes #3955) (Tijn Kersjes)
+* Docs: Add note about typeof check for isNaN (fixes #3985) (Daniel Lo Nigro)
+* Update: ESLint reports parsing errors with clear prefix. (fixes #3555) (Kevin Partington)
+* Build: Update markdownlint dependency (fixes #3954) (David Anson)
+* Update: `no-mixed-require` to have non boolean option (fixes #3922) (Gyandeep Singh)
+* Fix: trailing spaces auto fix to check for line breaks (fixes #3940) (Gyandeep Singh)
+* Update: Add `typeof` option to `no-undef` rule (fixes #3684) (Gyandeep Singh)
+* Docs: Fix explanation and typos for accessor-pairs (alberto)
+* Docs: Fix typos for camelcase (alberto)
+* Docs: Fix typos for max-statements (Danny Guo)
+* Update: Implement auto fix for object-curly-spacing (fixes #3857) (alberto)
+* Update: Implement auto fix for array-bracket-spacing rule (fixes #3858) (alberto)
+* Fix: Add schema to `global-require` rule (fixes #3923) (Gyandeep Singh)
+* Update: Apply lazy loading for rules (fixes #3930) (Gyandeep Singh)
+* Docs: Fix typo for arrow-spacing (Danny Guo)
+* Docs: Fix typos for wrap-regex (Danny Guo)
+* Docs: Fix explanation for space-before-keywords (Danny Guo)
+* Docs: Fix typos for operator-linebreak (Danny Guo)
+* Docs: Fix typos for callback-return (Danny Guo)
+* Fix: no-trailing-spaces autofix to account for blank lines (fixes #3912) (Gyandeep Singh)
+* Docs: Fix example in no-negated-condition.md (fixes #3908) (alberto)
+* Update:warn message use @return when prefer.returns=return (fixes #3889) (闲耘™)
+* Update: Implement auto fix for generator-star-spacing rule (fixes #3873) (alberto)
+* Update: Implement auto fix for arrow-spacing rule (fixes #3860) (alberto)
+* Update: Implement auto fix for block-spacing rule (fixes #3859) (alberto)
+* Fix: Support allman style for switch statement (fixes #3903) (Gyandeep Singh)
+* New: no-negated-condition rule (fixes #3740) (alberto)
+* Docs: Fix typo in blog post template (Nicholas C. Zakas)
+* Update: Add env 'nashorn' to support Java 8 Nashorn Engine (fixes #3874) (Benjamin Winterberg)
+* Docs: Prepare for rule doc linting (refs #2271) (Ian VanSchooten)
+
+v1.5.1 - September 22, 2015
+
+* Fix: valid-jsdoc fix for param with properties (fixes #3476) (Gyandeep Singh)
+* Fix: valid-jsdoc error with square braces (fixes #2270) (Gyandeep Singh)
+* Upgrade: `doctrine` to 0.7.0 (fixes #3891) (Gyandeep Singh)
+* Fix: `space-before-keywords` had been wrong on getters (fixes #3854) (Toru Nagashima)
+* Fix: `no-dupe-args` had been wrong for nested destructure (fixes #3867) (Toru Nagashima)
+* Docs: io.js is the new Node.js (thefourtheye)
+* Docs: Fix method signature on working-with-rules docs (fixes #3862) (alberto)
+* Docs: Add related ternary links (refs #3835) (Ian VanSchooten)
+* Fix: don’t ignore config if cwd is the home dir (fixes #3846) (Mathias Schreck)
+* Fix: `func-style` had been warning arrows with `this` (fixes #3819) (Toru Nagashima)
+* Fix: `space-before-keywords`; allow opening curly braces (fixes #3789) (Marko Raatikka)
+* Build: Fix broken .gitattributes generation (fixes #3566) (Nicholas C. Zakas)
+* Build: Fix formatter docs generation (fixes #3847) (Nicholas C. Zakas)
+
+v1.5.0 - September 18, 2015
+
+* Fix: invalidate cache when config changes. (fixes #3770) (royriojas)
+* Fix: function body indent issues (fixes #3614, fixes #3799) (Gyandeep Singh)
+* Update: Add configuration option to `space-before-blocks` (fixes #3758) (Phil Vargas)
+* Fix: space checking between tokens (fixes #2211) (Nicholas C. Zakas)
+* Fix: env-specified ecmaFeatures had been wrong (fixes #3735) (Toru Nagashima)
+* Docs: Change example wording from warnings to problems (fixes #3676) (Ian VanSchooten)
+* Build: Generate formatter example docs (fixes #3560) (Ian VanSchooten)
+* New: Add --debug flag to CLI (fixes #2692) (Nicholas C. Zakas)
+* Docs: Update no-undef-init docs (fixes #3170) (Nicholas C. Zakas)
+* Docs: Update no-unused-expressions docs (fixes #3685) (Nicholas C. Zakas)
+* Docs: Clarify node types in no-multi-spaces (fixes #3781) (Nicholas C. Zakas)
+* Docs: Update new-cap docs (fixes #3798) (Nicholas C. Zakas)
+* Fix: `space-before-blocks` had conflicted `arrow-spacing` (fixes #3769) (Toru Nagashima)
+* Fix: `comma-dangle` had not been checking imports/exports (fixes #3794) (Toru Nagashima)
+* Fix: tests fail due to differences in temporary paths. (fixes #3778) (royriojas)
+* Fix: Directory ignoring should work (fixes #3812) (Nicholas C. Zakas)
+* Fix: Ensure **/node_modules works in ignore files (fixes #3788) (Nicholas C. Zakas)
+* Update: Implement auto fix for `space-infix-ops` rule (fixes #3801) (Gyandeep Singh)
+* Fix: `no-warning-comments` can't be set via config comment (fixes #3619) (Burak Yigit Kaya)
+* Update: `key-spacing` should allow 1+ around colon (fixes #3363) (Burak Yigit Kaya)
+* Fix: false alarm of semi-spacing with semi set to never (fixes #1983) (Chen Yicai)
+* Fix: Ensure ./ works correctly with CLI (fixes #3792) (Nicholas C. Zakas)
+* Docs: add more examples + tests for block-scoped-var (fixes #3791) (JT)
+* Update: Implement auto fix for `indent` rule (fixes #3734) (Gyandeep Singh)
+* Fix: `space-before-keywords` fails to handle some cases (fixes #3756) (Marko Raatikka)
+* Docs: Add if-else example (fixes #3722) (Ian VanSchooten)
+* Fix: jsx-quotes exception for attributes without value (fixes #3793) (Mathias Schreck)
+* Docs: Fix closing code fence on cli docs (Ian VanSchooten)
+* Update: Implement auto fix for `space-before-blocks` rule (fixes #3776) (Gyandeep Singh)
+* Update: Implement auto fix for `space-after-keywords` rule (fixes #3773) (Gyandeep Singh)
+* Fix: `semi-spacing` had conflicted with `block-spacing` (fixes #3721) (Toru Nagashima)
+* Update: Implement auto fix for `space-before-keywords` rule (fixes #3771) (Gyandeep Singh)
+* Update: auto fix for space-before-function-paren rule (fixes #3766) (alberto)
+* Update: Implement auto fix for `no-extra-semi` rule (fixes #3745) (Gyandeep Singh)
+* Update: Refactors the traversing logic (refs #3530) (Toru Nagashima)
+* Update: Implement auto fix for `space-return-throw-case` (fixes #3732) (Gyandeep Singh)
+* Update: Implement auto fix for `no-spaced-func` rule (fixes #3728) (Gyandeep Singh)
+* Update: Implement auto fix for `eol-last` rule (fixes #3725) (Gyandeep Singh)
+* Update: Implement auto fix for `no-trailing-spaces` rule (fixes #3723) (Gyandeep Singh)
+
+v1.4.3 - September 15, 2015
+
+* Fix: Directory ignoring should work (fixes #3812) (Nicholas C. Zakas)
+* Fix: jsx-quotes exception for attributes without value (fixes #3793) (Mathias Schreck)
+
+v1.4.2 - September 15, 2015
+
+* Fix: Ensure **/node_modules works in ignore files (fixes #3788) (Nicholas C. Zakas)
+* Fix: Ensure ./ works correctly with CLI (fixes #3792) (Nicholas C. Zakas)
+
+v1.4.1 - September 11, 2015
+
+* Fix: CLIEngine default cache parameter name (fixes #3755) (Daniel G. Taylor)
+* Fix: Glob pattern from .eslintignore not applied (fixes #3750) (Burak Yigit Kaya)
+* Fix: Skip JSDoc from NewExpression (fixes #3744) (Nicholas C. Zakas)
+* Docs: Shorten and simplify autocomment for new issues (Nicholas C. Zakas)
+
+v1.4.0 - September 11, 2015
+
+* Docs: Add new formatters to API docs (Ian VanSchooten)
+* New: Implement autofixing (fixes #3134) (Nicholas C. Zakas)
+* Fix: Remove temporary `"allow-null"` (fixes #3705) (Toru Nagashima)
+* Fix: `no-unused-vars` had been crashed at `/*global $foo*/` (fixes #3714) (Toru Nagashima)
+* Build: check-commit now checks commit message length. (fixes #3706) (Kevin Partington)
+* Fix: make getScope acquire innermost scope (fixes #3700) (voideanvalue)
+* Docs: Fix spelling mistake (domharrington)
+* Fix: Allow whitespace in rule message parameters. (fixes #3690) (Kevin Partington)
+* Fix: Eqeqeq rule with no option does not warn on 'a == null' (fixes #3699) (fediev)
+* Fix: `no-unused-expressions` with `allowShortCircuit` false positive if left has no effect (fixes #3675) (Toru Nagashima)
+* Update: Add Node 4 to travis builds (fixes #3697) (Ian VanSchooten)
+* Fix: Not check for punctuator if on same line as last var (fixes #3694) (Gyandeep Singh)
+* Docs: Make `quotes` docs clearer (fixes #3646) (Nicholas C. Zakas)
+* Build: Increase mocha timeout (fixes #3692) (Nicholas C. Zakas)
+* Fix: `no-extra-bind` to flag all arrow funcs (fixes #3672) (Nicholas C. Zakas)
+* Docs: Update README with release and sponsor info (Nicholas C. Zakas)
+* Fix: `object-curly-spacing` had been crashing on an empty object pattern (fixes #3658) (Toru Nagashima)
+* Fix: `no-extra-parens` false positive at IIFE with member accessing (fixes #3653) (Toru Nagashima)
+* Fix: `comma-dangle` with `"always"`/`"always-multiline"` false positive after a rest element (fixes #3627) (Toru Nagashima)
+* New: `jsx-quotes` rule (fixes #2011) (Mathias Schreck)
+* Docs: Add linting for second half of rule docs (refs #2271) (Ian VanSchooten)
+* Fix: `no-unused-vars` had not shown correct locations for `/*global` (fixes #3617) (Toru Nagashima)
+* Fix: `space-after-keywords` not working for `catch` (fixes #3654) (Burak Yigit Kaya)
+* Fix: Incorrectly warning about ignored files (fixes #3649) (Burak Yigit Kaya)
+* Fix: Indent rule VariableDeclarator doesn't apply to arrow functions (fixes #3661) (Burak Yigit Kaya)
+* Upgrade: Consuming handlebars@^4.0.0 (fixes #3632) (Kevin Partington)
+* Docs: Fixing typos in plugin processor section. (fixes #3648) (Kevin Partington)
+* Fix: Invalid env keys would cause an unhandled exception.(fixes #3265) (Ray Booysen)
+* Docs: Fixing broken link in documentation (Ilya Volodin)
+* Update: Check for default assignment in no-unneeded-ternary (fixes #3232) (cjihrig)
+* Fix: `consistent-as-needed` mode with `keyword: true` (fixes #3636) (Alex Guerrero)
+* New: Implement cache in order to only operate on changed files since previous run. (fixes #2998) (Roy Riojas)
+* Update: Grouping related CLI options. (fixes #3612) (Kevin Partington)
+* Update: Using @override does not require @param or @returns (fixes #3629) (Whitney Young)
+* Docs: Use eslint-env in no-undef (fixes #3616) (Ian VanSchooten)
+* New: `require-jsdoc` rule (fixes #1842) (Gyandeep Singh)
+* New: Support glob path on command line (fixes #3402) (Burak Yigit Kaya)
+* Update: Short circuit and ternary support in no-unused-expressions (fixes #2733) (David Warkentin)
+* Docs: Replace to npmjs.com (Ryuichi Okumura)
+* Fix: `indent` should only indent chain calls if the first call is single line (fixes #3591) (Burak Yigit Kaya)
+* Fix: `quote-props` should not crash for object rest spread syntax (fixes #3595) (Joakim Carlstein)
+* Update: Use `globals` module for the `commonjs` globals (fixes #3606) (Sindre Sorhus)
+* New: `no-restricted-syntax` rule to forbid certain syntax (fixes #2422) (Burak Yigit Kaya)
+* Fix: `no-useless-concat` false positive at numbers (fixes #3575, fixes #3589) (Toru Nagashima)
+* New: Add --max-warnings flag to CLI (fixes #2769) (Kevin Partington)
+* New: Add `parser` as an option (fixes #3127) (Gyandeep Singh)
+* New: `space-before-keywords` rule (fixes #1631) (Marko Raatikka)
+* Update: Allowing inline comments to disable eslint rules (fixes #3472) (Whitney Young)
+* Docs: Including for(;;) as valid case in no-constant-condition (Kevin Partington)
+* Update: Add quotes around the label in `no-redeclare` error messages (fixes #3583) (Ian VanSchooten)
+* Docs: correct contributing URL (Dieter Luypaert)
+* Fix: line number for duplicate object keys error (fixes #3573) (Elliot Lynde)
+* New: global-require rule (fixes #2318) (Jamund Ferguson)
+
+v1.3.1 - August 29, 2015
+
+* Fix: `indent` to not crash on empty files (fixes #3570) (Gyandeep Singh)
+* Fix: Remove unused config file (fixes #2227) (Gyandeep Singh)
+
+v1.3.0 - August 28, 2015
+
+* Build: Autogenerate release blog post (fixes #3562) (Nicholas C. Zakas)
+* New: `no-useless-concat` rule (fixes #3506) (Henry Zhu)
+* Update: Add `keywords` flag to `consistent-as-needed` mode in `quote-props` (fixes #3532) (Burak Yigit Kaya)
+* Update: adds `numbers` option  to quote-props (fixes #2914) (Jose Roberto Vidal)
+* Fix: `quote-props` rule should ignore computed and shorthand properties (fixes #3557) (fixes #3544) (Burak Yigit Kaya)
+* Docs: Add config comments for rule examples 'accessor-pairs' to 'no-extra-semi' (refs #2271) (Ian VanSchooten)
+* Update: Return to accept `undefined` type (fixes #3382) (Gyandeep Singh)
+* New: Added HTML formatter (fixes #3505) (Julian Laval)
+* Fix: check space after yield keyword in space-unary-ops (fixes #2707) (Mathias Schreck)
+* Docs: (curly) Fix broken code in example (Kent C. Dodds)
+* Update: Quote var name in `no-unused-vars` error messages (refs #3526) (Burak Yigit Kaya)
+* Update: Move methods to SourceCode (fixes #3516) (Nicholas C. Zakas)
+* Fix: Don't try too hard to find fault in `no-implicit-coercion` (refs #3402) (Burak Yigit Kaya)
+* Fix: Detect ternary operator in operator-linebreak rule (fixes #3274) (Burak Yigit Kaya)
+* Docs: Clearer plugin rule configuration (fixes #2022) (Nicholas C. Zakas)
+* Update: Add quotes around the label in  `no-empty-label` error reports (fixes #3526) (Burak Yigit Kaya)
+* Docs: Turn off Liquid in example (Nicholas C. Zakas)
+* Docs: Mention CommonJS along with Node.js (fixes #3388) (Nicholas C. Zakas)
+* Docs: Make it clear which rules are recommended (fixes #3398) (Nicholas C. Zakas)
+* Docs: Add links to JSON Schema resources (fixes #3411) (Nicholas C. Zakas)
+* Docs: Add more info to migration guide (fixes #3439) (Nicholas C. Zakas)
+* Fix: ASI indentation issue (fixes #3514) (Burak Yigit Kaya)
+* Fix: Make `no-implicit-coercion` smarter about numerical expressions (fixes #3510) (Burak Yigit Kaya)
+* Fix: `prefer-template` had not been handling TemplateLiteral as literal node (fixes #3507) (Toru Nagashima)
+* Update: `newline-after-var` Allow comment + blank after var (fixes #2852) (Ian VanSchooten)
+* Update: Add `unnecessary` option to `quote-props` (fixes #3381) (Burak Yigit Kaya)
+* Fix: `indent` shouldn't check the last line unless it is a punctuator (fixes #3498) (Burak Yigit Kaya)
+* Fix: `indent` rule does not indent when doing multi-line chain calls (fixes #3279) (Burak Yigit Kaya)
+* Fix: sort-vars rule fails when memo is undefined (fixes #3474) (Burak Yigit Kaya)
+* Fix: `brace-style` doesn't report some closing brace errors (fixes #3486) (Burak Yigit Kaya)
+* Update: separate options for block and line comments in `spaced-comment` rule (fixes #2897) (Burak Yigit Kaya)
+* Fix: `indent` does not check FunctionDeclaration nodes properly (fixes #3173) (Burak Yigit Kaya)
+* Update: Added "properties" option to `id-length` rule to ignore property names. (fixes #3450) (Mathieu M-Gosselin)
+* Update: add new ignore pattern options to no-unused-vars (fixes #2321) (Mathias Schreck)
+* New: Protractor environment (fixes #3457) (James Whitney)
+* Docs: Added section to shareable config (Gregory Waxman)
+* Update: Allow pre-parsed code (fixes #1025, fixes #948) (Nicholas C. Zakas)
+
+v1.2.1 - August 20, 2015
+
+* Fix: "key-spacing" crashes eslint on object literal shorthand properties  (fixes #3463) (Burak Yigit Kaya)
+* Fix: ignore leading space check for `null` elements in comma-spacing (fixes #3392) (Mathias Schreck)
+* Fix: `prefer-arrow-callback` false positive at recursive functions (fixes #3454) (Toru Nagashima)
+* Fix: one-var rule doesn’t have default options (fixes #3449) (Burak Yigit Kaya)
+* Fix: Refactor `no-duplicate-case` to be simpler and more efficient (fixes #3440) (Burak Yigit Kaya)
+* Docs: Fix trailing spaces in README (Nicholas C. Zakas)
+* Docs: Update gyandeeps and add byk (Nicholas C. Zakas)
+* Docs: Update plugins documentation for 1.0.0 (Nicholas C. Zakas)
+* Docs: `object-curly-spacing` doc is inaccurate about exceptions (Burak Yigit Kaya)
+* Fix: `object-curly-spacing` shows the incorrect column for opening brace (fixes #3438) (Burak Yigit Kaya)
+
+v1.2.0 - August 18, 2015
+
+* Update: add support for semicolon in comma-first setup in indent rule  (fixes #3423) (Burak Yigit Kaya)
+* Docs: better JSDoc for indent rule (Burak Yigit Kaya)
+* Docs: Document the second argument of `CLIEngine.executeOnText()` (Sindre Sorhus)
+* New: `no-dupe-class-members` rule (fixes #3294) (Toru Nagashima)
+* Fix: exclude `AssignmentExpression` and `Property` nodes from extra indentation on first line (fixes #3391) (Burak Yigit Kaya)
+* Update: Separate indent options for var, let and const (fixes #3339) (Burak Yigit Kaya)
+* Fix: Add AssignmentPattern to space-infix-ops (fixes #3380) (Burak Yigit Kaya)
+* Docs: Fix typo: exception label (tienslebien)
+* Update: Clean up tests for CLI config support (refs #2543) (Gyandeep Singh)
+* New: `block-spacing` rule (fixes #3303) (Toru Nagashima)
+* Docs: Update docs for no-iterator (fixes #3405) (Nicholas C. Zakas)
+* Upgrade: bump `espree` dependency to `2.2.4` (fixes #3403) (Burak Yigit Kaya)
+* Fix: false positive on switch 'no duplicate case', (fixes #3408) (Cristian Carlesso)
+* Fix: `valid-jsdoc` test does not recognize aliases for `@param` (fixes #3399) (Burak Yigit Kaya)
+* New: enable `-c` flag to accept a shareable config (fixes #2543) (Shinnosuke Watanabe)
+* Fix: Apply plugin given in CLI (fixes #3383) (Ian VanSchooten)
+* New: Add commonjs environment (fixes #3377) (Nicholas C. Zakas)
+* Docs: Update no-unused-var docs (Nicholas C. Zakas)
+* Fix: trailing commas in object-curly-spacing for import/export (fixes #3324) (Henry Zhu)
+* Update: Make `baseConfig` to behave as other config options (fixes #3371) (Gyandeep Singh)
+* Docs: Add "Compatibility" section to linebreak-style (Vitor Balocco)
+* New: `prefer-arrow-callback` rule (fixes #3140) (Toru Nagashima)
+* Docs: Clarify what an unused var is (fixes #2342) (Nicholas C. Zakas)
+* Docs: Mention double-byte character limitation in max-len (fixes #2370) (Nicholas C. Zakas)
+* Fix: object curly spacing incorrectly warning for import with default and multiple named specifiers (fixes #3370) (Luke Karrys)
+* Fix: Indent rule errors with array of objects (fixes #3329) (Burak Yigit Kaya)
+* Update: Make it clear that `space-infix-ops` support `const` (fixes #3299) (Burak Yigit Kaya)
+* New: `prefer-template` rule (fixes #3014) (Toru Nagashima)
+* Docs: Clarify `no-process-env` docs (fixes #3318) (Nicholas C. Zakas)
+* Docs: Fix arrow name typo (fixes #3309) (Nicholas C. Zakas)
+* Update: Improve error message for `indent` rule violation (fixes #3340) (Burak Yigit Kaya)
+* Fix: radix rule does not apply for Number.parseInt (ES6) (fixes #3364) (Burak Yigit Kaya)
+* Fix: `key-spacing.align` doesn't pay attention to non-whitespace before key (fixes #3267) (Burak Yigit Kaya)
+* Fix: arrow-parens & destructuring/default params (fixes #3353) (Jamund Ferguson)
+* Update: Add support for Allman to brace-style rule, brackets on newline (fixes #3347) (Burak Yigit Kaya)
+* Fix: Regression no-catch-shadow (1.1.0) (fixes #3322) (Burak Yigit Kaya)
+* Docs: remove note outdated in 1.0.0 (Denis Sokolov)
+* Build: automatically convert line endings in release script (fixes #2642) (Burak Yigit Kaya)
+* Update: allow disabling new-cap on object methods (fixes #3172) (Burak Yigit Kaya)
+* Update: Improve checkstyle format (fixes #3183) (Burak Yigit Kaya)
+* Fix: Indent rule errors if an array literal starts a new statement (fixes #3328) (Burak Yigit Kaya)
+* Update: Improve validation error messages (fixes #3193) (Burak Yigit Kaya)
+* Docs: fix syntax error in space-before-function-paren (Fabrício Matté)
+* Fix: `indent` rule to check for last line correctly (fixes #3327) (Gyandeep Singh)
+* Fix: Inconsistent off-by-one errors with column numbers (fixes #3231) (Burak Yigit Kaya)
+* Fix: Keyword "else" must not be followed by a newline (fixes #3226) (Burak Yigit Kaya)
+* Fix: `id-length` does not work for most of the new ES6 patterns (fixes #3286) (Burak Yigit Kaya)
+* Fix: Spaced Comment Exceptions Not Working (fixes #3276) (Jamund Ferguson)
+
+v1.1.0 - August 7, 2015
+
+* Update: Added as-needed option to arrow-parens (fixes #3277) (Jamund Ferguson)
+* Fix: curly-spacing missing import case (fixes #3302) (Jamund Ferguson)
+* Fix: `eslint-env` in comments had not been setting `ecmaFeatures` (fixes #2134) (Toru Nagashima)
+* Fix: `es6` env had been missing `spread` and `newTarget` (fixes #3281) (Toru Nagashima)
+* Fix: Report no-spaced-func on last token before paren (fixes #3289) (Benjamin Woodruff)
+* Fix: Check for null elements in indent rule (fixes #3272) (Gyandeep Singh)
+* Docs: Use backticks for option heading (Gyandeep Singh)
+* Fix: `no-invalid-this` had been missing jsdoc comment (fixes #3287) (Toru Nagashima)
+* Fix: `indent` rule for multi-line objects and arrays (fixes #3236) (Gyandeep Singh)
+* Update: add new `multi-or-nest` option for the `curly` rule (fixes #1806) (Ivan Nikulin)
+* Fix: `no-cond-assign` had been missing simplest pattern (fixes #3249) (Toru Nagashima)
+* Fix: id-length rule doesn't catch violations in arrow function parameters (fixes #3275) (Burak Yigit Kaya)
+* New: Added grep-style formatter (fixes #2991) (Nobody Really)
+* Update: Split out generic AST methods into utility (fixes #962) (Gyandeep Singh)
+* Fix: `accessor-pairs` false positive (fixes #3262) (Toru Nagashima)
+* Fix: `context.getScope()` returns correct scope in blockBindings (fixes #3254) (Toru Nagashima)
+* Update: Expose `getErrorResults` as a static method on `CLIEngine` (fixes #3242) (Gyandeep Singh)
+* Update: Expose `getFormatter` as a static method on `CLIEngine` (fixes #3239) (Gyandeep Singh)
+* Docs: use correct encoding for id-match.md (fixes #3246) (Matthieu Larcher)
+* Docs: place id-match rule at correct place in README.md (fixes #3245) (Matthieu Larcher)
+* Docs: Update no-proto.md (Joe Zimmerman)
+* Docs: Fix typo in object-shorthand docs (Gunnar Lium)
+* Upgrade: inquirer dependency (fixes #3241) (Gyandeep Singh)
+* Fix: `indent` rule for objects and nested one line blocks (fixes #3238, fixes #3237) (Gyandeep Singh)
+* Docs: Fix wrong options in examples of key-spacing (keik)
+* Docs: Adds missing "not" to semi.md (Marius Schulz)
+* Docs: Update no-multi-spaces.md (Kenneth Powers)
+* Fix: `indent` to not error on same line nodes (fixes #3228) (Gyandeep Singh)
+* New: Jest environment (fixes #3212) (Darshak Parikh)
+
+v1.0.0 - July 31, 2015
+
+* Update: merge `no-reserved-keys` into `quote-props` (fixes #1539) (Jose Roberto Vidal)
+* Fix: `indent` error message (fixes #3220) (Gyandeep Singh)
+* Update: Add embertest env (fixes #3205) (ismay)
+* Docs: Correct documentation errors for `id-length` rule. (Jess Telford)
+* Breaking: `indent` rule to have node specific options (fixes #3210) (Gyandeep Singh)
+* Fix: space-after-keyword shouldn't allow newlines (fixes #3198) (Brandon Mills)
+* New: Add JSON formatter (fixes #3036) (Burak Yigit Kaya)
+* Breaking: Switch to RuleTester (fixes #3186) (Nicholas C. Zakas)
+* Breaking: remove duplicate warnings of `no-undef` from `block-scoped-var` (fixes #3201) (Toru Nagashima)
+* Fix: `init-declarations` ignores in for-in/of (fixes #3202) (Toru Nagashima)
+* Fix: `quotes` with `"backtick"` ignores ModuleSpecifier and LiteralPropertyName (fixes #3181) (Toru Nagashima)
+* Fix: space-in-parens in Template Strings (fixes #3182) (Ian VanSchooten)
+* Fix: Check for concatenation in no-throw-literal (fixes #3099, fixes #3101) (Ian VanSchooten)
+* Build: Remove `eslint-tester` from devDependencies (fixes #3189) (Gyandeep Singh)
+* Fix: Use new ESLintTester (fixes #3187) (Nicholas C. Zakas)
+* Update: `new-cap` supports fullnames (fixes #2584) (Toru Nagashima)
+* Fix: Non object rule options merge (fixes #3179) (Gyandeep Singh)
+* New: add id-match rule (fixes #2829) (Matthieu Larcher)
+* Fix: Rule options merge (fixes #3175) (Gyandeep Singh)
+* Fix: `spaced-comment` allows a mix of markers and exceptions (fixes #2895) (Toru Nagashima)
+* Fix: `block-scoped-var` issues (fixes #2253, fixes #2747, fixes #2967) (Toru Nagashima)
+* New: Add id-length rule (fixes #2784) (Burak Yigit Kaya)
+* Update: New parameters for quote-props rule (fixes #1283, fixes #1658) (Tomasz Olędzki)
+
+v1.0.0-rc-3 - July 24, 2015
+
+* Fix: Make Chai and Mocha as a dependency (fixes #3156) (Gyandeep Singh)
+* Fix: traverse `ExperimentalSpread/RestProperty.argument` (fixes #3157) (Toru Nagashima)
+* Fix: Check shareable config package prefix correctly (fixes #3146) (Gyandeep Singh)
+* Update: move redeclaration checking for builtins (fixes #3070) (Toru Nagashima)
+* Fix: `quotes` with `"backtick"` allows directive prologues (fixes #3132) (Toru Nagashima)
+* Fix: `ESLintTester` path in exposed API (fixes #3149) (Gyandeep Singh)
+* Docs: Remove AppVeyor badge (Gyandeep Singh)
+* Fix: Check no-new-func on CallExpressions (fixes #3145) (Benjamin Woodruff)
+
+v1.0.0-rc-2 - July 23, 2015
+
+* Docs: Mention eslint-tester in migration guide (Nicholas C. Zakas)
+* Docs: Mention variables defined in a global comment (fixes #3137) (William Becker)
+* Docs: add documentation about custom-formatters. (fixes #1260) (royriojas)
+* Fix: Multi-line variable declarations indent  (fixes #3139) (Gyandeep Singh)
+* Fix: handles blocks in no-use-before-define (fixes #2960) (Jose Roberto Vidal)
+* Update: `props` option of `no-param-reassign` (fixes #1600) (Toru Nagashima)
+* New: Support shared configs named `@scope/eslint-config`, with shortcuts of `@scope` and `@scope/` (fixes #3123) (Jordan Harband)
+* New: Add ignorePattern, ignoreComments, and ignoreUrls options to max-len (fixes #2934, fixes #2221, fixes #1661) (Benjamin Woodruff)
+* Build: Increase Windows Mocha timeout (fixes #3133) (Ian VanSchooten)
+* Docs: incorrect syntax in the example for rule «one-var» (Alexander Burtsev)
+* Build: Check commit message format at end of tests (fixes #3058) (Ian VanSchooten)
+* Update: Move eslint-tester into repo (fixes #3110) (Nicholas C. Zakas)
+* Fix: Not load configs outside config with `root: true`  (fixes #3109) (Gyandeep Singh)
+* Docs: Add config information to README (fixes #3074) (Nicholas C. Zakas)
+* Docs: Add mysticatea as committer (Nicholas C. Zakas)
+* Docs: Grammar fixes in rule descriptions (refs #3038) (Greg Cochard)
+* Fix: Update sort-vars to ignore Array and ObjectPattern (fixes #2954) (Harry Ho)
+* Fix: block-scoped-var rule incorrectly flagging break/continue with label (fixes #3082) (Aparajita Fishman)
+* Fix: spaces trigger wrong in `no-useless-call` and `prefer-spread` (fixes #3054) (Toru Nagashima)
+* Fix: `arrow-spacing` allow multi-spaces and line-endings (fixes #3079) (Toru Nagashima)
+* Fix: add missing loop scopes to one-var (fixes #3073) (Jose Roberto Vidal)
+* New: the `no-invalid-this` rule (fixes #2815) (Toru Nagashima)
+* Fix: allow empty loop body in no-extra-semi (fixes #3075) (Mathias Schreck)
+* Update: Add qunit to environments (fixes #2870) (Nicholas C. Zakas)
+* Fix: `space-before-blocks` to consider classes (fixes #3062) (Gyandeep Singh)
+* Fix: Include phantomjs globals (fixes #3064) (Linus Unnebäck)
+* Fix: no-else-return handles multiple else-if blocks (fixes #3015) (Jose Roberto Vidal)
+* Fix: `no-*-assgin` rules support destructuring (fixes #3029) (Toru Nagashima)
+* New: the `no-implicit-coercion` rule (fixes #1621) (Toru Nagashima)
+* Fix: Make no-implied-eval match more types of strings (fixes #2898) (Benjamin Woodruff)
+* Docs: Clarify that bot message is automatic (Ian VanSchooten)
+* Fix: Skip rest properties in no-dupe-keys (fixes 3042) (Nicholas C. Zakas)
+* Docs: New issue template (fixes #3048) (Nicholas C. Zakas)
+* Fix: strict rule supports classes (fixes #2977) (Toru Nagashima)
+* New: the `prefer-reflect` rule (fixes #2939) (Keith Cirkel)
+* Docs: make grammar consistent in rules index (Greg Cochard)
+* Docs: Fix unmatched paren in rule description (Greg Cochard)
+* Docs: Small typo fix in no-useless-call documentation (Paul O’Shannessy)
+* Build: readd phantomjs dependency with locked down version (fixes #3026) (Mathias Schreck)
+* Docs: Add IanVS as committer (Nicholas C. Zakas)
+* docs: additional computed-property-spacing documentation (fixes #2941) (Jamund Ferguson)
+* Docs: Add let and const examples for newline-after-var (fixes #3020) (James Whitney)
+* Build: Remove unnecessary phantomjs devDependency (fixes #3021) (Gyandeep Singh)
+* Update: added shared builtins list (fixes #2972) (Jose Roberto Vidal)
+
+v1.0.0-rc-1 - July 15, 2015
+
+* Upgrade: Espree to 2.2.0 (fixes #3011) (Nicholas C. Zakas)
+* Docs: fix a typo (bartmichu)
+* Fix: indent rule should recognize single line statements with ASI (fixes #3001, fixes #3000) (Mathias Schreck)
+* Update: Handle CRLF line endings in spaced-comment rule - 2 (fixes #3005) (Burak Yigit Kaya)
+* Fix: Indent rule error on empty block body (fixes #2999) (Gyandeep Singh)
+* New: the `no-class-assign` rule (fixes #2718) (Toru Nagashima)
+* New: the `no-const-assign` rule (fixes #2719) (Toru Nagashima)
+* Docs: Add 1.0.0 migration guide (fixes #2994) (Nicholas C. Zakas)
+* Docs: Update changelog for 0.24.1 (fixes #2976) (Nicholas C. Zakas)
+* Breaking: Remove deprecated rules (fixes #1898) (Ian VanSchooten)
+* Fix: multi-line + fat arrow indent (fixes #2239) (Gyandeep Singh)
+* Breaking: Create eslint:recommended and add to --init (fixes #2713) (Greg Cochard)
+* Fix: Indent rule (fixes #1797, fixes #1799, fixes #2248, fixes #2343, fixes #2278, fixes #1800) (Gyandeep Singh)
+* New: `context.getDeclaredVariables(node)` (fixes #2801) (Toru Nagashima)
+* New: the `no-useless-call` rule (fixes #1925) (Toru Nagashima)
+* New: the `prefer-spread` rule (fixes #2946) (Toru Nagashima)
+* Fix: `valid-jsdoc` counts `return` for arrow expressions (fixes #2952) (Toru Nagashima)
+* New: Add exported comment option (fixes #1200) (Jamund Ferguson)
+* Breaking: Default to --reset behavior (fixes #2100) (Brandon Mills)
+* New: Add arrow-parens and arrow-spacing rule (fixes #2628) (Jxck)
+* Fix: Shallow cloning issues in eslint config (fixes #2961) (Gyandeep Singh)
+* Add: Warn on missing rule definition or deprecation (fixes #1549) (Ian VanSchooten)
+* Update: adding some tests for no-redeclare to test named functions (fixes #2953) (Dominic Barnes)
+* New: Add support for root: true in config files (fixes #2736) (Ian VanSchooten)
+* Fix: workaround for leading and trailing comments in padded-block (fixes #2336 and fixes #2788) (Mathias Schreck)
+* Fix: object-shorthand computed props (fixes #2937) (Jamund Ferguson)
+* Fix: Remove invalid check inside `getJSDocComment` function (fixes #2938) (Gyandeep Singh)
+* Docs: Clarify when not to use space-before-blocks (Ian VanSchooten)
+* Update: `no-loop-func` allows block-scoped variables (fixes #2517) (Toru Nagashima)
+* Docs: remove mistaken "off by default" (Jan Schär)
+* Build: Add appveyor CI system (fixes #2923) (Gyandeep Singh)
+* Docs: Fix typo in the shareable configs doc (Siddharth Kannan)
+* Fix: max-len to report correct column number (fixes #2926) (Mathias Schreck)
+* Fix: add destructuring support to comma-dangle rule (fixes #2911) (Mathias Schreck)
+* Docs: clarification in no-unused-vars (Jan Schär)
+* Fix: `no-redeclare` checks module scopes (fixes #2903) (Toru Nagashima)
+* Docs: missing quotes in JSON (Jan Schär)
+* Breaking: Switch to 1-based columns (fixes #2284) (Nicholas C. Zakas)
+* Docs: array-bracket-spacing examples used space-in-brackets (Brandon Mills)
+* Docs: Add spaced-line-comment deprecation notice (Brandon Mills)
+* Docs: Add space-in-brackets deprecation notice (Brandon Mills)
+* Fix: Include execScript in no-implied-eval rule (fixes #2873) (Frederik Braun)
+* Fix: Support class syntax for line-around-comment rule (fixes #2894) (Gyandeep Singh)
+* Fix: lines-around-comment was crashing in some cases due to a missing check (fixes #2892) (Mathieu M-Gosselin)
+* New: Add init-declarations rule (fixes #2606) (cjihrig)
+* Docs: Fix typo in array-bracket-spacing rule (zallek)
+* Fix: Added missing export syntax support to the block-scoped-var rule. (fixes #2887) (Mathieu M-Gosselin)
+* Build: gensite target supports rule removal (refs #1898) (Brandon Mills)
+* Update: Handle CRLF line endings in spaced-comment rule (fixes #2884) (David Anson)
+* Update: Attach parent in getNodeByRangeIndex (fixes #2863) (Brandon Mills)
+* Docs: Fix typo (Bryan Smith)
+* New: Add serviceworker environment (fixes #2557) (Gyandeep Singh)
+* Fix: Yoda should ignore comparisons where both sides are constants (fixes #2867) (cjihrig)
+* Update: Loosens regex rules around intentional fall through comments (Fixes #2811) (greg5green)
+* Update: Add missing schema to rules (fixes #2858) (Ilya Volodin)
+* New: `require-yield` rule (fixes #2822) (Toru Nagashima)
+* New: add callback-return rule (fixes #994) (Jamund Ferguson)
+
+v0.24.1 - July 10, 2015
+
+* Docs: Clarify when not to use space-before-blocks (Ian VanSchooten)
+* Docs: remove mistaken "off by default" (Jan Schär)
+* Docs: remove mistaken "off by default" (Jan Schär)
+* Docs: Fix typo in the shareable configs doc (Siddharth Kannan)
+* Docs: clarification in no-unused-vars (Jan Schär)
+* Docs: missing quotes in JSON (Jan Schär)
+* Fix: Revert 1-based column changes in tests for patch (refs #2284) (Nicholas C. Zakas)
+* Fix: Shallow cloning issues in eslint config (fixes #2961) (Gyandeep Singh)
+* Fix: object-shorthand computed props (fixes #2937) (Jamund Ferguson)
+* Fix: Remove invalid check inside `getJSDocComment` function (fixes #2938) (Gyandeep Singh)
+* Fix: max-len to report correct column number (fixes #2926) (Mathias Schreck)
+* Fix: add destructuring support to comma-dangle rule (fixes #2911) (Mathias Schreck)
+* Fix: `no-redeclare` checks module scopes (fixes #2903) (Toru Nagashima)
+* Fix: Include execScript in no-implied-eval rule (fixes #2873) (Frederik Braun)
+* Fix: Support class syntax for line-around-comment rule (fixes #2894) (Gyandeep Singh)
+* Fix: lines-around-comment was crashing in some cases due to a missing check (fixes #2892) (Mathieu M-Gosselin)
+* Fix: Added missing export syntax support to the block-scoped-var rule. (fixes #2887) (Mathieu M-Gosselin)
+* Fix: Yoda should ignore comparisons where both sides are constants (fixes #2867) (cjihrig)
+* Docs: array-bracket-spacing examples used space-in-brackets (Brandon Mills)
+* Docs: Add spaced-line-comment deprecation notice (Brandon Mills)
+* Docs: Add space-in-brackets deprecation notice (Brandon Mills)
+
+v0.24.0 - June 26, 2015
+
+* Upgrade: eslint-tester to 0.8.1 (Nicholas C. Zakas)
+* Fix: no-dupe-args sparse array crash (fixes #2848) (Chris Walker)
+* Fix: space-after-keywords should ignore extra parens (fixes #2847) (Mathias Schreck)
+* New: add no-unexpected-multiline rule (fixes #746) (Glen Mailer)
+* Update: refactor handle-callback-err to improve performance (fixes #2841) (Mathias Schreck)
+* Fix: Add --init to the CLI options (fixes #2817) (Gyandeep Singh)
+* Update: Add `except-parens` option to `no-return-assign` rule (fixes #2809) (Toru Nagashima)
+* Fix: handle-callback-err missing arrow functions (fixes #2823) (Jamund Ferguson)
+* Fix: `no-extra-semi` in class bodies (fixes #2794) (Toru Nagashima)
+* Fix: Check type to be file when looking for config files (fixes #2790) (Gyandeep Singh)
+* Fix: valid-jsdoc to work for object getters (fixes #2407) (Gyandeep Singh)
+* Update: Add an option as an object to `generator-star-spacing` rule (fixes #2787) (Toru Nagashima)
+* Build: Update markdownlint dependency (David Anson)
+* Fix: context report message to handle more scenarios (fixes #2746) (Gyandeep Singh)
+* Update: Ignore JsDoc comments by default for `spaced-comment` (fixes #2766) (Gyandeep Singh)
+* Fix: one-var 'never' option for mixed initialization (Fixes #2786) (Ian VanSchooten)
+* Docs: Fix a minor typo in a prefer-const example (jviide)
+* Fix: comma-dangle always-multiline: no comma right before the last brace (fixes #2091) (Benoît Zugmeyer)
+* Fix: Allow blocked comments with markers and new-line (fixes #2777) (Gyandeep Singh)
+* Docs: small fix in quote-props examples (Jose Roberto Vidal)
+* Fix: object-shorthand rule should not warn for NFEs (fixes #2748) (Michael Ficarra)
+* Fix: arraysInObjects for object-curly-spacing (fixes #2752) (Jamund Ferguson)
+* Docs: Clarify --rule description (fixes #2773) (Nicholas C. Zakas)
+* Fix: object literals in arrow function bodies (fixes #2702) (Jose Roberto Vidal)
+* New: `constructor-super` rule (fixes #2720) (Toru Nagashima)
+* New: `no-this-before-super` rule (fixes #2721) (Toru Nagashima)
+* Fix: space-unary-ops flags expressions starting w/ keyword (fixes #2764) (Michael Ficarra)
+* Update: Add block options to `lines-around-comment` rule (fixes #2667) (Gyandeep Singh)
+* New: array-bracket-spacing (fixes #2226) (Jamund Ferguson)
+* Fix: No-shadow rule duplicating error messages (fixes #2706) (Aliaksei Shytkin)
+
+v0.23.0 - June 14, 2015
+
+* Build: Comment out auto publishing of release notes (refs #2640) (Ilya Volodin)
+* Fix: "extends" within package.json (fixes #2754) (Gyandeep Singh)
+* Upgrade: globals@8.0.0 (fixes #2759) (silverwind)
+* Docs: eol-last docs fix (fixes #2755) (Gyandeep Singh)
+* Docs: btmills is a reviewer (Nicholas C. Zakas)
+* Build: Revert lock io.js to v2.1.0 (refs #2745) (Brandon Mills)
+* New: computed-property-spacing (refs #2226) (Jamund Ferguson)
+* Build: Pin Sinon version (fixes #2742) (Ilya Volodin)
+* Fix: `prefer-const` treats `for-in`/`for-of` with the same way (Fixes #2739) (Toru Nagashima)
+* Docs: Add links to team members profile (Gyandeep Singh)
+* Docs: add team and ES7 info to readme (Nicholas C. Zakas)
+* Fix: don't try to strip "line:" prefix from parser errors with no such prefix (fixes #2698) (Tim Cuthbertson)
+* Fix: never ignore config comment options (fixes #2725) (Brandon Mills)
+* Update: Add clarification to spaced-comment (refs #2588) (Greg Cochard)
+* Update: Add markers to spaced-comment (fixes #2588) (Greg Cochard)
+* Fix: no-trailing-spaces now handles skipBlankLines (fixes #2575) (Greg Cochard)
+* Docs: Mark global-strict on by default (fixes #2629) (Ilya Volodin)
+* New: Allow extends to be an array (fixes #2699) (Justin Morris)
+* New: globals@7.1.0 (fixes #2682) (silverwind)
+* New: `prefer-const` rule (fixes #2333) (Toru Nagashima)
+* Fix: remove hard-coded list of unary keywords in space-unary-ops rule (fixes #2696) (Tim Cuthbertson)
+* Breaking: Automatically validate rule options (fixes #2595) (Brandon Mills)
+* Update: no-lone-blocks does not report block-level scopes (fixes  #2119) (Jose Roberto Vidal)
+* Update: yoda onlyEquality option (fixes #2638) (Denis Sokolov)
+* Docs: update comment to align with source code it's referencing (Michael Ficarra)
+* Fix: Misconfigured default option for lines-around-comment rule (fixes #2677) (Gyandeep Singh)
+* Fix: `no-shadow` allows shadowing in the TDZ (fixes #2568) (Toru Nagashima)
+* New: spaced-comment rule (fixes #1088) (Gyandeep Singh)
+* Fix: Check unused vars in exported functions (fixes #2678) (Gyandeep Singh)
+* Build: Stringify payload of release notes (fixes #2640) (Greg Cochard)
+* Fix: Allowing u flag in regex to properly lint no-empty-character-class (fixes #2679) (Dominic Barnes)
+* Docs: deprecate no-wrap-func (fixes #2644) (Jose Roberto Vidal)
+* Docs: Fixing grammar: then -> than (E)
+* Fix: trailing commas in object-curly-spacing (fixes #2647) (Jamund Ferguson)
+* Docs: be consistent about deprecation status (Matthew Dapena-Tretter)
+* Docs: Fix mistakes in object-curly-spacing docs (Matthew Dapena-Tretter)
+* New: run processors when calling executeOnText (fixes #2331) (Mordy Tikotzky)
+* Update: move executeOnText() tests to the correct describe block (fixes #2648) (Mordy Tikotzky)
+* Update: add tests to assert that the preprocessor is running (fixes #2651) (Mordy Tikotzky)
+* Build: Lock io.js to v2.1.0 (fixes #2653) (Ilya Volodin)
+
+v0.22.1 - May 30, 2015
+
+* Build: Remove release notes auto-publish (refs #2640) (Ilya Volodin)
+
+v0.22.0 - May 30, 2015
+
+* Upgrade: escope 3.1.0 (fixes #2310, #2405) (Toru Nagashima)
+* Fix: “consistent-this” incorrectly flagging destructuring of `this` (fixes #2633) (David Aurelio)
+* Upgrade: eslint-tester to 0.7.0 (Ilya Volodin)
+* Update: allow shadowed references in no-alert (fixes #1105) (Mathias Schreck)
+* Fix: no-multiple-empty-lines and template strings (fixes #2605) (Jamund Ferguson)
+* New: object-curly-spacing (fixes #2225) (Jamund Ferguson)
+* Docs: minor fix for one-var rule (Jamund Ferguson)
+* Fix: Shared config being clobbered by other config (fixes #2592) (Dominic Barnes)
+* Update: adds "functions" option to no-extra-parens (fixes #2477) (Jose Roberto Vidal)
+* Docs: Fix json formatting for lines-around-comments rule (Gyandeep Singh)
+* Fix: Improve around function/class names of `no-shadow` (fixes #2556, #2552) (Toru Nagashima)
+* Fix: Improve code coverage (fixes #2590) (Ilya Volodin)
+* Fix: Allow scoped configs to have sub-configs (fixes #2594) (Greg Cochard)
+* Build: Add auto-update of release tag on github (fixes #2566) (Greg Cochard)
+* New: lines-around-comment (fixes #1344) (Jamund Ferguson)
+* Build: Unblock build by increasing code coverage (Ilya Volodin)
+* New: accessor-pairs rule to object initializations (fixes #1638) (Gyandeep Singh)
+* Fix: counting of variables statements in one-var (fixes #2570) (Mathias Schreck)
+* Build: Add sudo:false for Travis (fixes #2582) (Ilya Volodin)
+* New: Add rule schemas (refs #2179) (Brandon Mills)
+* Docs: Fix typo in shareable-configs example (fixes #2571) (Ted Piotrowski)
+* Build: Relax markdownlint rules by disabling style-only items (David Anson)
+* Fix: Object shorthand rule incorrectly flagging getters/setters (fixes #2563) (Brad Dougherty)
+* New: Add config validator (refs #2179) (Brandon Mills)
+* New: Add worker environment (fixes #2442) (Ilya Volodin)
+* New no-empty-character class (fixes #2508) (Jamund Ferguson)
+* New: Adds --ignore-pattern option. (fixes #1742) (Patrick McElhaney)
+
+v0.21.2 - May 18, 2015
+
+* 0.21.2 (Nicholas C. Zakas)
+* Fix: one-var exception for ForStatement.init (fixes #2505) (Brandon Mills)
+* Fix: Don't throw spurious shadow errors for classes (fixes #2545) (Jimmy Jia)
+* Fix: valid-jsdoc rule to support exported functions (fixes #2522) (Gyandeep Singh)
+* Fix: Allow scoped packages in configuration extends (fixes #2544) (Eric Isakson)
+* Docs: Add chatroom to FAQ (Nicholas C. Zakas)
+* Docs: Move Gitter badge (Nicholas C. Zakas)
+
+v0.21.1 - May 15, 2015
+
+* 0.21.1 (Nicholas C. Zakas)
+* Fix: loc obj in report fn expects column (fixes #2481) (Varun Verma)
+* Build: Make sure that all md files end with empty line (fixes #2520) (Ilya Volodin)
+* Added Gitter badge (The Gitter Badger)
+* Fix: forced no-shadow to check all scopes (fixes #2294) (Jose Roberto Vidal)
+* Fix: --init indent setting (fixes #2493) (Nicholas C. Zakas)
+* Docs: Mention bundling multiple shareable configs (Nicholas C. Zakas)
+* Fix: Not to override the required extended config object directly (fixes #2487) (Gyandeep Singh)
+* Build: Update markdownlint dependency (David Anson)
+* Docs: added recursive function example to no-unused-vars (Jose Roberto Vidal)
+* Docs: Fix typo (then -> than) (Vladimir Agafonkin)
+* Revert "Fix: sanitise Jekyll interpolation during site generation (fixes #2297)" (Nicholas C. Zakas)
+* Fix: dot-location should use correct dot token (fixes #2504) (Mathias Schreck)
+* Fix: Stop linebreak-style from crashing (fixes #2490) (James Whitney)
+* Fix: rule no-duplicate-case problem with CallExpressions. (fixes #2499) (Matthias Osswald)
+* Fix: Enable full support for eslint-env comments (refs #2134) (Ilya Volodin)
+* Build: Speed up site generation (fixes #2475) (Ilya Volodin)
+* Docs: Fixing trailing spaces (Fixes #2478) (Ilya Volodin)
+* Docs: Update README FAQs (Nicholas C. Zakas)
+* Fix: Allow comment before comma for comma-spacing rule (fixes #2408) (Gyandeep Singh)
+
+v0.21.0 - May 9, 2015
+
+* 0.21.0 (Nicholas C. Zakas)
+* New: Shareable configs (fixes #2415) (Nicholas C. Zakas)
+* Fix: Edge cases for no-wrap-func (fixes #2466) (Nicholas C. Zakas)
+* Docs: Update ecmaFeatures description (Nicholas C. Zakas)
+* New: Add dot-location rule. (fixes #1884) (Greg Cochard)
+* New: Add addPlugin method to CLI-engine (Fixes #1971) (Ilya Volodin)
+* Breaking: Do not check unset declaration types (Fixes #2448) (Ilya Volodin)
+* Fix: no-redeclare switch scoping (fixes #2337) (Nicholas C. Zakas)
+* Fix: Check extra scope in no-use-before-define (fixes #2372) (Nicholas C. Zakas)
+* Fix: Ensure baseConfig isn't changed (fixes #2380) (Nicholas C. Zakas)
+* Fix: Don't warn for member expression functions (fixes #2402) (Nicholas C. Zakas)
+* New: Adds skipBlankLines option to the no-trailing-spaces rule (fixes #2303) (Andrew Vaughan)
+* Fix: Adding exception for last line (Refs #2423) (Greg Cochard)
+* Fix: crash on 0 max (fixes #2423) (gcochard)
+* Fix object-shorthand arrow functions (fixes #2414) (Jamund Ferguson)
+* Fix: Improves detection of self-referential functions (fixes #2363) (Jose Roberto Vidal)
+* Update: key-spacing groups must be consecutive lines (fixes #1728) (Brandon Mills)
+* Docs: grammar fix in no-sync (Tony Lukasavage)
+* Docs: Update configuring.md to fix incorrect link. (Ans)
+* New: Check --stdin-filename by ignore settings (fixes #2432) (Aliaksei Shytkin)
+* Fix: `no-loop-func` rule allows functions at init part (fixes #2427) (Toru Nagashima)
+* New: Add init command (fixes #2302) (Ilya Volodin)
+* Fix: no-irregular-whitespace should work with irregular line breaks (fixes #2316) (Mathias Schreck)
+* Fix: generator-star-spacing with class methods (fixes #2351) (Brandon Mills)
+* New: no-unneeded-ternary rule to disallow boolean literals in conditional expressions (fixes #2391) (Gyandeep Singh)
+* Docs: Add `restParams` to `ecmaFeatures` options list (refs: #2346) (Bogdan Savluk)
+* Fix: space-in-brackets Cannot read property 'range' (fixes #2392) (Gyandeep Singh)
+* Docs: Sort the rules (Lukas Böcker)
+* Add: Exception option for `no-extend-native` and `no-native-reassign` (fixes #2355) (Gyandeep Singh)
+* Fix: space-in-brackets import declaration  (fixes #2378) (Gyandeep Singh)
+* Update: Add uninitialized and initialized options (fixes #2206) (Ian VanSchooten)
+* Fix: brace-style to not warn about curly mix ifStatements (fixes #1739) (Gyandeep Singh)
+* Fix: npm run profile script should use espree (fixes #2150) (Mathias Schreck)
+* New: Add support for extending configurations (fixes #1637) (Espen Hovlandsdal)
+* Fix: Include string literal keys in object-shorthand (Fixes #2374) (Jamund Ferguson)
+* Docs: Specify language for all code fences, enable corresponding markdownlint rule. (David Anson)
+* New: linebreak-style rule (fixes #1255) (Erik Müller)
+* Update: Add "none" option to operator-linebreak rule (fixes #2295) (Casey Visco)
+* Fix: sanitise Jekyll interpolation during site generation (fixes #2297) (Michael Ficarra)
+
+v0.20.0 - April 24, 2015
+
+* 0.20.0 (Nicholas C. Zakas)
+* Fix: support arrow functions in no-extra-parens (fixes #2367) (Michael Ficarra)
+* Fix: Column position in space-infix-ops rule (fixes #2354) (Gyandeep Singh)
+* Fix: allow plugins to be namespaced (fixes #2360) (Seth Pollack)
+* Update: one-var: enable let & const (fixes #2301) (Joey Baker)
+* Docs: Add meteor to avaiable environments list (bartmichu)
+* Update: Use `Object.assign()` polyfill for all object merging (fixes #2348) (Sindre Sorhus)
+* Docs: Update markdownlint dependency, resolve/suppress new issues. (David Anson)
+* Fix: newline-after-var declare and export (fixes #2325) (Gyandeep Singh)
+* Docs: Some typos and grammar. (AlexKVal)
+* Fix: newline-after-var to ignore declare in for specifiers (fixes #2317) (Gyandeep Singh)
+* New: add --stdin-filename option (fixes #1950) (Mordy Tikotzky)
+* Fix: Load .eslintrc in $HOME only if no other .eslintrc is found (fixes #2279) (Jasper Woudenberg)
+* Fix: Add `v8` module to no-mixed-requires rule (fixes #2320) (Gyandeep Singh)
+* Fix: key-spacing with single properties (fixes #2311) (Brandon Mills)
+* Docs: `no-invalid-regexp`: add `ecmaFeatures` flags for `u`/`y` (Jordan Harband)
+* New: object-shorthand rule (refs: #1617) (Jamund Ferguson)
+* Update: backticks support for quotes rule (fixes #2153) (borislavjivkov)
+* Fix: space-in-brackets to work with modules (fixes #2216) (Nicholas C. Zakas)
+
+v0.19.0 - April 11, 2015
+
+* 0.19.0 (Nicholas C. Zakas)
+* Upgrade: Espree to 2.0.1 (Nicholas C. Zakas)
+* Docs: Update one-var documentation (fixes #2210) (Nicholas C. Zakas)
+* Update: Add test for no-undef (fixes #2214) (Nicholas C. Zakas)
+* Fix: Report better location for padded-blocks error (fixes #2224) (Nicholas C. Zakas)
+* Fix: Don't check concise methods in quote-props (fixes #2251) (Nicholas C. Zakas)
+* Fix: Consider tabs for space-in-parens rule (fixes #2191) (Josh Quintana)
+* Fix: block-scoped-var to work with classes (fixes #2280) (Nicholas C. Zakas)
+* Docs: Remove trailing spaces, enable corresponding markdownlint rule. (David Anson)
+* Fix: padded-blocks with ASI (fixes #2273) (Brandon Mills)
+* Fix: Handle comment lines in newline-after-var (fixed #2237) (Casey Visco)
+* Docs: Standardize on '*' for unordered lists, enable corresponding markdownlint rule. (David Anson)
+* Fix: no-undef and no-underscore-dangle to use double quotes (fixes #2258) (Gyandeep Singh)
+* Docs: Improve grammar and style in comma-dangle.md (Nate Eagleson)
+* Docs: Improve grammar and style in padded-blocks.md (Nate Eagleson)
+* Docs: Update URL in no-wrap-func.md to resolve 404 (Nate Eagleson)
+* Docs: Fix typo in command-line-interface.md (Nate Eagleson)
+* Docs: Fix typo in working-with-rules.md (Nate Eagleson)
+* Docs: Remove hard tabs from *.md, enable corresponding markdownlint rule. (David Anson)
+* Fix: Function id missing in parent scope when using ecmaFeature `modules` for rule block-scoped-var (fixes #2242) (Michael Ferris)
+* Fix: Ignore single lines for vertical alignment (fixes #2018) (Ian VanSchooten)
+* Fix: Allow inline comments in newline-after-var rule (fixes #2229) (Casey Visco)
+* Upgrade: Espree 2.0.0 and escope 3.0.0 (fixes #2234, fixes #2201, fixes (Nicholas C. Zakas)
+* Docs: Update --no-ignore warning (Brandon Mills)
+* Build: Remove jshint files (fixes #2222) (Jeff Tan)
+* Docs: no-empty fix comment change (refs #2188) (Gyandeep Singh)
+* Fix: duplicate semi and no-extra-semi errors (fixes #2207) (Brandon Mills)
+* Docs: Update processors description (Nicholas C. Zakas)
+* Fix: semi error on export declaration (fixes #2194) (Brandon Mills)
+* New: operator-linebreak rule (fixes #1405) (Benoît Zugmeyer)
+* Docs: Fixing broken links in documentation (Ilya Volodin)
+* Upgrade: Espree to 0.12.3 (fixes #2195) (Gyandeep Singh)
+* Fix: camelcase rule with {properties: never} shouldn't check assignment (fixes #2189) (Gyandeep Singh)
+* New: Allow modifying base config (fixes #2143) (Meo)
+* New: no-continue rule (fixes #1945) (borislavjivkov)
+* Fix: `no-empty` rule should allow any comments (fixes #2188) (Gyandeep Singh)
+* Docs: Fix spell in camelcase doc (fixes #2190) (Gyandeep Singh)
+* Fix: Require semicolon after import/export statements (fixes #2174) (Gyandeep Singh)
+* Build: Add linting of Markdown files to "npm test" script (fixes #2182) (David Anson)
+* Build: Fixing site generation (Ilya Volodin)
+* Build: Fix gensite task to work even if files are missing (Nicholas C. Zakas)
+
+v0.18.0 - March 28, 2015
+
+* 0.18.0 (Nicholas C. Zakas)
+* Fix: Mark variables as used in module scope (fixes #2137) (Nicholas C. Zakas)
+* Fix: arrow functions need wrapping (fixes #2113) (Nicholas C. Zakas)
+* Fix: Don't crash on empty array pattern item (fixes #2111) (Nicholas C. Zakas)
+* Fix: Don't error on destructured params (fixes #2051) (Nicholas C. Zakas)
+* Docs: Fixing broken links (Ilya Volodin)
+* Fix: no-constant-condition should not flag += (fixes #2155) (Nicholas C. Zakas)
+* Fix: Ensure piped in code will trigger correct errors (fixes #2154) (Nicholas C. Zakas)
+* Fix: block-scoped-var to handle imports (fixes #2087) (Nicholas C. Zakas)
+* Fix: no-dupe-args to work with destructuring (fixes #2148) (Nicholas C. Zakas)
+* Fix: key-spacing crash on computed properties (fixes #2120) (Brandon Mills)
+* Fix: indent crash on caseless switch (fixes #2144) (Brandon Mills)
+* Fix: Don't warn about destructured catch params (fixes #2125) (Nicholas C. Zakas)
+* Update: Omit setter param from no-unused-vars (fixes #2133) (Nicholas C. Zakas)
+* Docs: Cleaning dead links (Ilya Volodin)
+* Docs: Moving documentation out of the repository and modifying build scripts (Ilya Volodin)
+* Docs: Update link to Documentation (Kate Lizogubova)
+* Docs: Adding back deprecated space-unary-word-ops documentation (Ilya Volodin)
+* Fix: Unused recursive functions should be flagged (issue2095) (Nicholas C. Zakas)
+* Breaking: Remove JSX support from no-undef (fixes #2093) (Nicholas C. Zakas)
+* Fix: markVariableAsUsed() should work in Node.js env (fixes #2089) (Nicholas C. Zakas)
+* New: Add "always" and "never" options to "one-var" rule. (fixes #1619) (Danny Fritz)
+* New: newline-after-var rule (fixes #2057) (Gopal Venkatesan)
+* Fix: func-names with ES6 classes (fixes #2103) (Marsup)
+* Fix: Add "Error" to the "new-cap" rule exceptions (fixes #2098) (Mickaël Tricot)
+* Fix: vars-on-top conflict with ES6 import (fixes #2099) (Gyandeep Singh)
+* Docs: Fixed JSON syntax (Sajin)
+* New: space-before-function-paren rule (fixes #2028) (Brandon Mills)
+* Breaking: rule no-empty also checking for empty catch blocks. (fixes #1841) (Dieter Oberkofler)
+* Update: rule camelcase to allow snake_case in object literals. (fixes #1919) (Dieter Oberkofler)
+* New: Added option int32Hint for space-infix-ops (fixes #1295) (Kirill Efimov)
+* New: no-param-reassign rule (fixes #1599) (Nat Burns)
+
+v0.17.1 - March 17, 2015
+
+* 0.17.1 (Nicholas C. Zakas)
+* Fix: no-func-assign should not fail on import declarations (fixes #2060) (Igor Zalutsky)
+* Fix: block-scoped-var to work with destructuring (fixes #2059) (Nicholas C. Zakas)
+* Fix: no-redeclare should check Node.js scope (fixes #2064) (Nicholas C. Zakas)
+* Fix: space-before-function-parentheses generator methods (fixes #2082) (Brandon Mills)
+* Fix: Method name resolution in complexity rule (fixes #2049) (Nicholas C. Zakas)
+* Fix: no-unused-vars crash from escope workaround (fixes #2042) (Brandon Mills)
+* Fix: restrict dot-notation keywords to actual ES3 keywords (fixes #2075) (Michael Ficarra)
+* Fix: block-scoped-var to work with classes (fixes #2048) (Nicholas C. Zakas)
+* Docs: Update no-new documentation (fixes #2044) (Nicholas C. Zakas)
+* Fix: yoda range exceptions with this (fixes #2063) (Brandon Mills)
+* Docs: Fix documentation on configuring eslint with comments (Miguel Ping)
+* Fix: rule no-duplicate-case problem with MemberExpressions. (fixes #2038) (Dieter Oberkofler)
+* Fix: Exempt \0 from no-octal-escape (fixes #1923) (Michael Ficarra)
+
+v0.17.0 - March 14, 2015
+
+* 0.17.0 (Nicholas C. Zakas)
+* Fix: module import specifiers should be defined (refs #1978) (Nicholas C. Zakas)
+* Fix: Ignore super in no-undef (refs #1968) (Nicholas C. Zakas)
+* Upgrade: Espree to v0.12.0 (refs #1968) (Nicholas C. Zakas)
+* Fix: destructured arguments should work in block-scoped-var (fixes #1996) (Nicholas C. Zakas)
+* Fix: Line breaking with just carriage return (fixes #2005) (Nicholas C. Zakas)
+* Fix: location of new-cap error messages (fixes #2025) (Mathias Schreck)
+* Breaking: Stop checking JSX variable use, expose API instead (fixes #1911) (Glen Mailer)
+* Fix: Check spacing of class methods (fixes #1989) (Nicholas C. Zakas)
+* New: no-duplicate-case rule to disallow a duplicate case label (fixes #2015) (Dieter Oberkofler)
+* Clarify issue requirement for doc pull requests (Ian)
+* Add quotes around object key (Ian)
+* Fix: Add comma-dangle allow-multiline (fixes #1984) (Keith Cirkel)
+* Fix: Don't explode on default export function (fixes #1985) (Nicholas C. Zakas)
+* Update: Add AST node exceptions to comma-style. (fixes #1932) (Evan Simmons)
+* Docs: Add spread operator to available language options (Nicholas C. Zakas)
+* New: generator-star-spacing rule (fixes #1680, fixes #1949) (Brandon Mills)
+
+v0.16.2 - March 10, 2015
+
+* 0.16.2 (Nicholas C. Zakas)
+* Fix: Ensure globalReturn isn't on when node:false (fixes #1995) (Nicholas C. Zakas)
+* Downgrade: escope pegged to 2.0.6 (refs #2001) (Nicholas C. Zakas)
+* Upgrade: escope to 2.0.7 (fixes #1978) (Nicholas C. Zakas)
+* Docs: Update descriptive text for --no-ignore option. (David Anson)
+* Upgrade: estraverse to latest for ESTree support (fixes #1986) (Nicholas C. Zakas)
+* Fix: Global block-scope-var check should work (fixes #1980) (Nicholas C. Zakas)
+* Fix: Don't warn about parens around yield (fixes #1981) (Nicholas C. Zakas)
+
+v0.16.1 - March 8, 2015
+
+* 0.16.1 (Nicholas C. Zakas)
+* Fix: Node.js scoping in block-scoped-var (fixes #1969) (Nicholas C. Zakas)
+* Update: Enable ES6 scoping for more options (Nicholas C. Zakas)
+* Fix: Ensure all export nodes are traversable (fixes #1965) (Nicholas C. Zakas)
+* Fix: Ensure class names are marked as used (fixes #1967) (Nicholas C. Zakas)
+* Fix: remove typo that caused a crash (fixes #1963) (Fabricio C Zuardi)
+* Docs: Added missing "are" (Sean Wilkinson)
+
+v0.16.0 - March 7, 2015
+
+* 0.16.0 (Nicholas C. Zakas)
+* Fix: Pass correct sourceType to escope (fixes #1959) (Nicholas C. Zakas)
+* Fix: Scoping for Node.js (fixes #892) (Nicholas C. Zakas)
+* Fix: strict rule should honor module code (fixes #1956) (Nicholas C. Zakas)
+* New: Add es6 environment (fixes #1864, fixes #1944) (Nicholas C. Zakas)
+* Docs: Update ecmaFeatures list (fixes #1942) (Nicholas C. Zakas)
+* Fix: Make no-unused-vars ignore exports (fixes #1903) (Nicholas C. Zakas)
+* Upgrade: Espree to v1.11.0 (Nicholas C. Zakas)
+* Fix: Comment configuration of rule doesn't work (fixes #1792) (Jary)
+* Fix: Rest args should work in no-undef and block-scoped-var (fixes #1543) (Nicholas C. Zakas)
+* Breaking: change no-comma-dangle to comma-dangle (fixes #1350) (Mathias Schreck)
+* Update: space-before-function-parentheses to support generators (fixes #1929) (Brandon Mills)
+* New: Adding support for "// eslint-disable-line rule" style comments (Billy Matthews)
+* Fix: Use unversioned sinon file in browser test (fixes #1947) (Nicholas C. Zakas)
+* Docs: Add mention of compatible parsers (Nicholas C. Zakas)
+* Fix: Better error when given null as rule config (fixes #1760) (Glen Mailer)
+* Update: no-empty to check TryStatement.handler (fixes #1930) (Brandon Mills)
+* Fix: space-before-function-parentheses and object methods (fixes #1920) (Brandon Mills)
+* New: no-dupe-args rule (fixes #1880) (Jamund Ferguson)
+* Fix: comma-spacing should ignore JSX text (fixes #1916) (Brandon Mills)
+* Breaking: made eol-last less strict (fixes #1460) (Glen Mailer)
+* New: generator-star middle option (fixes #1808) (Jamund Ferguson)
+* Upgrade: Espree to 1.10.0 for classes support (Nicholas C. Zakas)
+* Docs: no-plusplus.md - auto semicolon insertion (Miroslav Obradović)
+* Docs: Use union types in TokenStore JSDoc (refs #1878) (Brandon Mills)
+* Fix: block-scoped-var to work with destructuring (fixes #1863) (Nicholas C. Zakas)
+* Docs: Update docs for token-related methods (fixes #1878) (Nicholas C. Zakas)
+* Update: Remove preferGlobal from package.json (fixes #1877) (Nicholas C. Zakas)
+* Fix: allow block bindings in no-inner-declarations (fixes #1893) (Roberto Vidal)
+* Fix: getScope and no-use-before-define for arrow functions (fixes #1895) (Brandon Mills)
+* Fix: Make no-inner-declarations look for arrow functions (fixes #1892) (Brandon Mills)
+* Breaking: Change no-space-before-semi to semi-spacing and add "after" option (fixes #1671) (Mathias Schreck)
+* Update: Add support for custom preprocessors (fixes #1817) (Ilya Volodin)
+
+v0.15.1 - February 26, 2015
+
+* 0.15.1 (Nicholas C. Zakas)
+* Build: Fix release task (Nicholas C. Zakas)
+* Fix: check all semicolons in no-space-before-semi (fixes #1885) (Mathias Schreck)
+* Fix: Refactor comma-spacing (fixes #1587, fixes #1845) (Roberto Vidal)
+* Fix: Allow globalReturn in consistent-return (fixes #1868) (Brandon Mills)
+* Fix: semi rule should check throw statements (fixes #1873) (Mathias Schreck)
+* Docs: Added HolidayCheck AG as user (0xPIT)
+* Upgrade: `chalk` to 1.0.0 (Sindre Sorhus)
+* Docs: Add CustomInk to the list of companies (Derek Lindahl)
+* Docs: Alphabetize project & company usage list (Derek Lindahl)
+* Docs: fix typo (Henry Zhu)
+* Docs: Fix typo (Brenard Cubacub)
+
+v0.15.0 - February 21, 2015
+
+* 0.15.0 (Nicholas C. Zakas)
+* Upgrade: Espree to 1.9.1 (fixes #1816, fixes #1805) (Nicholas C. Zakas)
+* Fix: make rules work with for-of statements (fixes #1859) (Mathias Schreck)
+* Fix: Enable globalReturn for Node.js environment (fixes #1158) (Nicholas C. Zakas)
+* Fix: Location of extra paren message (fixes #1814) (Nicholas C. Zakas)
+* Fix: Remove unnecessary file exists check (fixes #1831) (Nicholas C. Zakas)
+* Fix: Don't count else-if in max-depth (fixes #1835) (Nicholas C. Zakas)
+* Fix: Don't flag for-of statement (fixes #1852) (Nicholas C. Zakas)
+* Build: Test using io.js as well (Nicholas C. Zakas)
+* Change customformat value to path (suisho)
+* Docs: Add a missing word in the Contributing doc (Ben Linskey)
+* Docs: Fix typo in wrap-iife rule doc title (Ben Linskey)
+* Docs: Update pages to fix rendering of lists (David Anson)
+* Fix: new-cap should allow defining exceptions (fixes #1424) (Brian Di Palma)
+* Update: Add requireReturnDescription for valid-jsdoc (fixes #1833) (Brian Di Palma)
+* New: rule no-throw-literal added (fixes #1791) (Dieter Oberkofler)
+* New: multi-line option for the curly rule (fixes #1812) (Hugo Wood)
+* Docs: fix typo in configuring docs (mendenhallmagic)
+* Update: Backslashes in path (fixes #1818) (Jan Schär)
+* Docs: Update pages to fix rendering of lists and fenced code blocks (David Anson)
+* Docs: add webpack loader to the docs/integrations page (Maxime Thirouin)
+* Breaking: space-before-function-parentheses replaces space-after-function-name and checkFunctionKeyword (fixes #1618) (Mathias Schreck)
+
+v0.14.1 - February 8, 2015
+
+* 0.14.1 (Nicholas C. Zakas)
+* Fix: Exit code should be 1 for any number of errors (fixes #1795) (Nicholas C. Zakas)
+* Fix: Check indentation of first line (fixes #1796) (Nicholas C. Zakas)
+* Fix: strict rules shouldn't throw on arrow functions (fixes #1789) (Nicholas C. Zakas)
+
+v0.14.0 - February 7, 2015
+
+* 0.14.0 (Nicholas C. Zakas)
+* Update: Fix indentation of comment (Nicholas C. Zakas)
+* Fix: comma-spacing for template literals (fixes #1736) (Nicholas C. Zakas)
+* Build: Add Node.js 0.12 testing (Nicholas C. Zakas)
+* Breaking: Remove node from results (fixes #957) (Nicholas C. Zakas)
+* Breaking: Exit code is now error count (Nicholas C. Zakas)
+* Docs: Correct getFormatter() documentation (refs #1723) (Nicholas C. Zakas)
+* Update: Make rules work with arrow functions (fixes #1508, fixes #1509, fixes #1493) (Nicholas C. Zakas)
+* Fix: Ensure template string references count (fixes #1542) (Nicholas C. Zakas)
+* Fix: no-undef to work with arrow functions (fixes #1604) (Nicholas C. Zakas)
+* Upgrade: Espree to version 1.8.0 (Nicholas C. Zakas)
+* Fix: Don't throw error for arguments (fixes #1759) (Nicholas C. Zakas)
+* Fix: Don't warn on computed nonliteral properties (fixes #1762) (Nicholas C. Zakas)
+* New: Allow parser to be configured (fixes #1624) (Nicholas C. Zakas)
+* Docs: Added double quotes for JSON keys for comma-spacing and key-spacing rule (Dmitry Polovka)
+* New: Rule indent (fixes #1022) (Dmitriy Shekhovtsov)
+* Revert "New: Rule indent (fixes #1022)" (Nicholas C. Zakas)
+* Update: fix eslint indentations (fixes #1770) (Dmitriy Shekhovtsov)
+* Fix: Scoping issues for no-unused-vars (fixes #1741) (Nicholas C. Zakas)
+* Docs: Added `eslint-enable` inline (Ivan Fraixedes)
+* New: Add predefined Meteor globals (fixes #1763) (Johan Brook)
+* New: Rule indent (fixes #1022) (Dmitriy Shekhovtsov)
+* Update: Check all assignments for consistent-this (fixes #1513) (Timothy Jones)
+* Fix: Support exceptions in no-multi-spaces (fixes #1755) (Brandon Mills)
+* Docs: Forgotten parentheses in code snippet (Ivan Fraixedes)
+* Update: CLIEngine results include warning and error count (fixes #1732) (gyandeeps)
+* Fix: Scoping issues for no-unused-vars (fixes #1733) (Nicholas C. Zakas)
+* Update: Add getNodeByRangeIndex method (refs #1755) (Brandon Mills)
+* Update: Replace getTokenByRange(Index->Start) (refs #1721) (Brandon Mills)
+* Update: Fast-path for empty input (fixes #546) (Nicholas C. Zakas)
+* Fix: Allow single line else-if (fixes #1739) (Nicholas C. Zakas)
+* Fix: Don't crash when $HOME isn't set (fixes #1465) (Nicholas C. Zakas)
+* Fix: Make no-multi-spaces work for every case (fixes #1603, fixes #1659) (Nicholas C. Zakas)
+* Breaking: Show error and warning counts in stylish summary (fixes #1746) (Brandon Mills)
+* Docs: fixed typo in no-lone-blocks docs (Vitor Balocco)
+* Docs: fixed typo in consistent-return docs (Vitor Balocco)
+* Breaking: remove implied eval check from no-eval (fixes #1202) (Mathias Schreck)
+* Update: Improve CLIEngine.getFormatter() (refs #1723) (Nicholas C. Zakas)
+* Docs: Add Backbone plugin link (Ilya Volodin)
+* Docs: use npm's keyword route (Tom Vincent)
+* Build: Update sitegen script (Closes #1725) (Ilya Volodin)
+
+v0.13.0 - January 24, 2015
+
+* 0.13.0 (Nicholas C. Zakas)
+* Update: The rule spaced-line-comment now also allows tabs and not only spaces as whitespace. (fixes #1713) (Dieter Oberkofler)
+* Docs: add Jasmine rules and eslintplugin npm links (Tom Vincent)
+* Fix: Make no-redeclare work with let (fixes #917) (Nicholas C. Zakas)
+* Update: Add CLIEngine.getFormatter() (fixes #1653) (Nicholas C. Zakas)
+* Breaking: Update escope (fixes #1642) (Nicholas C. Zakas)
+* Update: Switch to using estraverse-fb (fixes #1712) (Nicholas C. Zakas)
+* Docs: Update README FAQ (Nicholas C. Zakas)
+* Update: no-warning-comments matches on whole word only (fixes #1709) (Nick Fisher)
+* Build: Add JSDoc generation (fixes #1363) (Nicholas C. Zakas)
+* Docs: Add more info about context (fixes #1330) (Nicholas C. Zakas)
+* Upgrade: Espree to 1.7.1 (fixes #1706) (Nicholas C. Zakas)
+* Docs: Make CLA notice more prominent (Nicholas C. Zakas)
+* Update: Added globals for: phantom,jquery, prototypejs, shelljs (fixes #1704) (Dmitriy Shekhovtsov)
+* Docs: Fixed example for the space-return-throw-case rule (mpal9000)
+* Fix: Except object literal methods from func-names (fixes #1699) (Brandon Mills)
+* Update: use global strict mode everywhere (fixes #1691) (Brandon Mills)
+* Update: Add allowPattern option for dot-notation rule (fixes #1679) (Tim Schaub)
+* Fix: Missing undeclared variables in JSX (fixes #1676) (Yannick Croissant)
+* Fix: no-unused-expressions rule incorrectly flagging  yield (fixes #1672) (Rémi Gérard-Marchant)
+* Update: Combine strict mode rules (fixes #1246) (Brandon Mills)
+* Fix: disregards leading './' in ignore pattern or file name (fixes #1685) (Chris Montrois)
+* Upgrade: globals module to latest (fixes #1670) (Nicholas C. Zakas)
+* Fix: generator-star should allow params (fixes #1677) (Brandon Mills)
+* Fix: no-unused-vars for JSX (fixes #1673 and fixes #1534) (Yannick Croissant)
+* Docs: Add angularjs-eslint link into the integration doc (Emmanuel DEMEY)
+
+v0.12.0 - January 17, 2015
+
+* 0.12.0 (Nicholas C. Zakas)
+* Fix: Track JSX global variable correctly (fixes #1534) (Nicholas C. Zakas)
+* Fix: Property regex flag checking (fixes #1537) (Nicholas C. Zakas)
+* Docs: Add angularjs-eslint link into the integration doc (Emmanuel DEMEY)
+* Update: Expose ecmaFeatures on context (fixes #1648) (Nicholas C. Zakas)
+* Docs: Added Fitbit to the list of companies (Igor Zalutsky)
+* New: gen-star rule (refs #1617) (Jamund Ferguson)
+* New: no-var rule (refs #1617) (Jamund Ferguson)
+* Fix: Support JSX spread operator (fixes #1634) (Nicholas C. Zakas)
+* Docs: Document ecmaFeatures (Nicholas C. Zakas)
+* Upgrade: several dependencies (fixes #1377) (Nicholas C. Zakas)
+* Fix: Broken JSX test (Nicholas C. Zakas)
+* Fix: no-bitwise reports on bitwise assignment expressions (fixes #1643) (Mathias Schreck)
+* Fix: Find JSXIdentifier refs in no-unused-vars (fixes #1534) (Nicholas C. Zakas)
+* Update: Add a couple JSX tests (Nicholas C. Zakas)
+* Fix: quotes rule ignores JSX literals (fixes #1477) (Nicholas C. Zakas)
+* Fix: Don't warn on JSX literals with newlines (fixes #1533) (Nicholas C. Zakas)
+* Update: Fully enable JSX support (fixes #1640) (Nicholas C. Zakas)
+* Breaking: Allow parser feature flips (fixes #1602) (Nicholas C. Zakas)
+* Fix: Allow comments in key-spacing groups (fixes #1632) (Brandon Mills)
+* Fix: block-scoped-var reports labels (fixes #1630) (Michael Ficarra)
+* Docs: add newline to no-process-env (fixes #1627) (Tom Vincent)
+* Fix: Update optionator, --no in help (fixes #1134) (George Zahariev)
+* Fix: Allow individual newlines in space-in-brackets (fixes #1614) (Brandon Mills)
+* Docs: Correct alignment in example project tree (Tim Schaub)
+* Docs: Remove references to Esprima (Nicholas C. Zakas)
+* Docs: Remove illegal code fence (Nicholas C. Zakas)
+
+v0.11.0 - December 30, 2014
+
+* 0.11.0 (Nicholas C. Zakas)
+* Fix: Adding regexp literal exception (fixes #1589) (Greg Cochard)
+* Fix: padded-blocks incorrectly complained on comments (fixes #1416) (Mathias Schreck)
+* Fix: column location of key-spacing with additional tokens (fixes #1458) (Mathias Schreck)
+* Build: tag correct commit (refs #1606) (Mathias Schreck)
+* Upgrade: Updat Espree to 1.3.1 (Nicholas C. Zakas)
+* Fix: add es3 config option to dot-notation rule (fixes #1484) (Michael Ficarra)
+* Fix: valid-jsdoc should recognize @class (fixes #1585) (Nicholas C. Zakas)
+* Update: Switch to use Espree (fixes #1595) (Nicholas C. Zakas)
+* Fix: brace-style stroustrup should report on cuddled elseif (fixes #1583) (Ian Christian Myers)
+* New: Configuration via package.json (fixes #698) (Michael Mclaughlin)
+* Update: Set environments w/ globals (fixes #1577) (Elan Shanker)
+* Fix: yoda treats negative numbers as literals (fixes #1571) (Brandon Mills)
+* Fix: function arguments now count towards no-shadow check (fixes #1584) (Glen Mailer)
+* Fix: check if next statement is on newline when warning against extra semicolons. (fixes #1580) (Evan You)
+* Update: add yoda exception for range tests (fixes #1561) (Brandon Mills)
+* New: space-after-function-name (fixes #1340) (Roberto Vidal)
+
+v0.10.2 - December 12, 2014
+
+* 0.10.2 (Nicholas C. Zakas)
+* Fix: detect for...in in no-loop-func (fixes #1573) (Greg Cochard)
+* Update: simplify comma-spacing logic (fixes #1562) (Brandon Mills)
+* Fix: operator-assignment addition is non-commutative (fixes#1556) (Brandon Mills)
+* 0.10.1 (Nicholas C. Zakas)
+* Update: Add new-cap exception configurations. (Fixes #1487)  - `newCapsAllowed`  - `nonNewCapsAllowed` (Jordan Harband)
+
+v0.10.1 - December 6, 2014
+
+* 0.10.1 (Nicholas C. Zakas)
+* Docs: Fix v0.10.0 changelog (Nicholas C. Zakas)
+* Build: Ensure changelog works with large semver versions (Nicholas C. Zakas)
+* Fix: comma-spacing and comma-style to work with array literals (fixes #1492) (Nicholas C. Zakas)
+* Update: better operator regex in use-isnan rule (fixes #1551) (Michael Ficarra)
+* Fix: wrong op index in no-multi-spaces (fixes #1547) (Brandon Mills)
+* Fix: Restrict use-isnan violations to comparison operators. (Fixes #1535) (Jordan Harband)
+* Fix: comma-spacing has false positives when parenthesis are used (fixes #1457) (Jamund Ferguson)
+* Docs: alphabetize the "Stylistic Issues" section (Jeff Williams)
+* Build: make the "gensite" target work when DOCS_DIR does not exist (fixes #1530) (Jeff Williams)
+* Docs: badges should only refer to master branch (Mathias Schreck)
+* Fix: prevent crash on empty blocks in no-else-return (fixes #1527) (Mathias Schreck)
+* Build: Fix md to html conversion regex (fixes #1525) (Brandon Mills)
+* 0.10.0 (Nicholas C. Zakas)
+
+v0.10.0 - November 27, 2014
+
+* 0.10.0 (Nicholas C. Zakas)
+* Fix: Add Object and Function as exceptions in new-cap (refs #1487) (Nicholas C. Zakas)
+* Breaking: Allow extensionless files to be passed on CLI (fixes #1131) (Nicholas C. Zakas)
+* Fix: typo: iffe to iife, none to non (Michael Ficarra)
+* Update: refactor tokens API (refs #1212) (Brandon Mills)
+* New: Allow other file extensions (fixes #801) (Nicholas C. Zakas)
+* Update: Add Event to browser globals (fixes #1474) (Nicholas C. Zakas)
+* Fix: check function call arguments in comma-spacing (fixes #1515) (Mathias Schreck)
+* Update: Add no-cond-assign option to disallow nested assignments in conditionals (fixes #1444) (Jeff Williams)
+* Fix: crash in no-multi-spaces on empty array elements (fixes #1418) (Brandon Mills)
+* Fix: Don't explode on directory traversal (fixes #1452) (Nicholas C. Zakas)
+* Fix: no-fallthrough should work when semis are missing (fixes #1447) (Nicholas C. Zakas)
+* Fix: JSDoc parsing by updating doctrine (fixes #1442) (Nicholas C. Zakas)
+* Update: restore the "runs" global present in Jasmine 1.3 (fixes #1498) (Michał Gołębiowski)
+* Fix: ignore undefined identifiers in typeof (fixes #1482) (Mathias Schreck)
+* Fix: Ignoring empty comments. (fixes #1488) (Greg Cochard)
+* New: Add space-unary-ops rules (#1346) (Marcin Kumorek)
+* Update: Remove shebang workaround in spaced-line-comment (fixes #1433) (Michael Ficarra)
+* Docs: change 'and' to 'an' in docs/rules/valid-jsdoc.md (fixes #1441) (Michael Ficarra)
+* Update: Add `beforeAll` and `afterAll` to the Jasmine globals (fixes #1478) (Gyandeep Singh)
+* Update: Add exception options to space-in-parens (fixes #1368) (David Clark)
+* Build: Add check for license issues (fixes #782) (Brandon Mills)
+* Docs: update badges (Yoshua Wuyts)
+* Docs: Update pages to fix rendering of lists and fenced code blocks (David Anson)
+* Fix: env rules merging for command line config (fixes #1271) (Roberto Vidal)
+* Fix: Collect variables declare in switch-case.(fixes #1453) (chris)
+* Fix: remove extra capture group (Nate-Wilkins)
+* Update: allow distinct alignment groups in key-spacing (fixes #1439) (Brandon Mills)
+* Fix: message for numeric property names in quote-props (fixes #1459) (Brandon Mills)
+* Docs: Remove assumption about the rule config (Alexander Schmidt)
+* New: Add ability to time individual rules (fixes #1437) (Brandon Mills)
+* Fix: single quotes (Nate-Wilkins)
+* Docs: Fix broken code fences in key-spacing docs (Brandon Mills)
+* Docs: Explain .eslintignore features (fixes #1094) (Brandon Mills)
+* Breaking: ignore node_modules by default (fixes #1163) (Brandon Mills)
+* Fix: Adds clamping to getSource beforeCount (fixes #1427) (Greg Gianforcaro)
+* New: add no-inline-comment rule (fixes #1366) (Greg Cochard)
+* Fix: '.md' to '.html' with anchors (fixes #1415) (Nate-Wilkins)
+* Build: Filter and sort versions in gensite (fixes #1430) (Brandon Mills)
+* Build: Escape period in regex (fixes #1428) (Brandon Mills)
+* Revert "Fix: '.md' to '.html' with anchors (fixes #1415)" (Nicholas C. Zakas)
+* 0.9.2 (Nicholas C. Zakas)
+* New: Add operator-assignment rule (fixes #1420) (Brandon Mills)
+
+v0.9.2 - November 1, 2014
+
+* 0.9.2 (Nicholas C. Zakas)
+* Fix: '.md' to '.html' with anchors (fixes #1415) (Nate-Wilkins)
+* Fix: Allow line breaks in key-spacing rule (fixes #1407) (Brandon Mills)
+* Build: add coveralls integration (fixes #1411) (Mathias Schreck)
+* Fix: add severity flag for ignored file warning (fixes #1401) (Mathias Schreck)
+* Fix: Keep sinon at ~1.10.3 (fixes #1406) (Brandon Mills)
+* Fix: ! negates .eslintignore patterns (fixes #1093) (Brandon Mills)
+* Fix: let fs.stat throw if a file does not exist (fixes #1296) (Mathias Schreck)
+* Fix: check switch statements in space-before-blocks (fixes #1397) (Mathias Schreck)
+* Docs: fix rule name in example configuration (Mathias Schreck)
+* Fix: disable colors during test run (fixes #1395) (Mathias Schreck)
+* New: add isPathIgnored method to CLIEngine (fixes #1392) (Mathias Schreck)
+* Docs: changing eslint to ESLint and add missing backtick (Mathias Schreck)
+* Docs: Documents the functionality to load a custom formatter from a file (Adam Baldwin)
+* 0.9.1 (Nicholas C. Zakas)
+* Update: Option type for mixed tabs and spaces (fixes #1374) (Max Nordlund)
+* Fix: Nested occurrences of no-else-return now show multiple reports (fixes #1369) (Jordan Hawker)
+
+v0.9.1 - October 25, 2014
+
+* 0.9.1 (Nicholas C. Zakas)
+* Docs: fix link on governance model (azu)
+* Fix: plugins without rulesConfig causes crash (fixes #1388) (Mathias Schreck)
+* 0.9.0 (Nicholas C. Zakas)
+
+v0.9.0 - October 24, 2014
+
+* 0.9.0 (Nicholas C. Zakas)
+* New: Allow reading from STDIN (fixes #368) (Nicholas C. Zakas)
+* New: add --quiet option (fixes #905) (Mathias Schreck)
+* Update: Add support for plugin default configuration (fixes #1358) (Ilya Volodin)
+* Fix: Make sure shebang comment node is removed (fixes #1352) (Nicholas C. Zakas)
+* New: Adding in rule for irregular whitespace checking. (fixes #1024) (Jonathan Kingston)
+* Fix: space-in-parens should not throw for multiline statements (fixes #1351) (Jary)
+* Docs: Explain global vs. local plugins (fixes #1238) (Nicholas C. Zakas)
+* Docs: Add docs on Node.js API (fixes #1247) (Nicholas C. Zakas)
+* Docs: Add recommended keywords for plugins (fixes #1248) (Nicholas C. Zakas)
+* Update: Add CLIEngine#getConfigForFile (fixes #1309) (Nicholas C. Zakas)
+* Update: turn on comma-style for project (fixes #1316) (Nicholas C. Zakas)
+* Fix: Ensure messages are sorted by line (fixes #1343) (Nicholas C. Zakas)
+* Update: Added arraysInObjects and objectsInObjects options to space-in-brackets rule (fixes #1265, fixes #1302) (vegetableman)
+* Breaking: Removed comma spacing check from space-infix-ops (fixes #1361) (vegetableman)
+* Fix: addressed linting errors (Nicholas C. Zakas)
+* Docs: Add Contributor Model (fixes #1341) (Nicholas C. Zakas)
+* Docs: Add reference to CLA (Nicholas C. Zakas)
+* Build: add version numbers to docs (fixes #1170) (Mathias Schreck)
+* Fix: no-fallthrough incorrectly flagged falls through annotations (fixes #1353) (Mathias Schreck)
+* Build: separate site publishing form generation (fixes #1356) (Mathias Schreck)
+* New: Add key-spacing rule (fixes #1280) (Brandon Mills)
+* New: add spaced-line-comment rule (fixes #1345) (Greg Cochard)
+* Docs: added more Related Rules sections (fixes #1347) (Delapouite)
+* Fix: resolve linting issue in (fixes #1339) (Nicholas C. Zakas)
+* New: add space-before-blocks rule (fixes #1277) (Mathias Schreck)
+* Docs: Remove moot integration plugins (Sindre Sorhus)
+* New: add rule for multiple empty lines (fixes #1254) (Greg Cochard)
+* Fix: no-shadow rule should consider function expressions (fixes #1322) (Mathias Schreck)
+* Update: remove globals present only in Jasmine plugins (fixes #1326) (Michał Gołębiowski)
+* New: added no-multi-spaces rule (fixes #630) (vegetableman)
+* New: Added comma-spacing rule (Fixes #628, Fixes #1319) (vegetableman)
+* New: add rule for padded blocks (fixes #1278) (Mathias Schreck)
+* Docs: fix eqeqeq isNullCheck comment (Denis Sokolov)
+* Fix: no-comma-dangle violation in unit test and Makefile.js/lint not checking return codes (fixes #1306) (David Anson)
+* Fix: allow comma-last with object properties having line breaks (fixes #1314) (vegetableman)
+* New: Added comma-style rule (fixes #1282) (vegetableman)
+* Update: add space after function keyword check (fixes #1276) (Mathias Schreck)
+* Update: Add missing environments and fix sorting/grouping of rules (fixes #1307, fixes #1308) (David Anson)
+* Docs: Fix sorting of rules within each section (David Anson)
+* Docs: Correct a few misspelled words (David Anson)
+* Docs: Update multiple pages to fix rendering of fenced code blocks (David Anson)
+* New: Added no-process-env rule (fixes #657) (vegetableman)
+* Fix: add rule ensuring #1258 is fixed by recent rewrite (fixes #1258) (Michael Ficarra)
+* Update: split propertyName from singleValue in space-in-brackets (fixes #1253) (Michael Ficarra)
+* Update: add "as-needed" option to quote-props rule (fixes #1279) (Michael Ficarra)
+* Docs: fixed broken link and changed warning level to error level (vegetableman)
+* Docs: Added "the native web" to the list of companies that use ESLint. (Golo Roden)
+* Docs: Add BountySource badge to README (Nicholas C. Zakas)
+* 0.8.2 (Nicholas C. Zakas)
+
+v0.8.2 - September 20, 2014
+
+* 0.8.2 (Nicholas C. Zakas)
+* Docs: Updated contribution guidelines to add accepted/bounty issues descriptions (Nicholas C. Zakas)
+* Docs: Update README with links and FAQs (Nicholas C. Zakas)
+* Docs: add finally to space-after-keywords documentation (Mathias Schreck)
+* New: add ignoreCase option to sort-vars (fixes #1272) (Mathias Schreck)
+* Docs: fix typo (Barry Handelman)
+* Docs: Fix broken Markdown on configuration page (Nicholas C. Zakas)
+* Docs: Fix reference to wrong rule name (Harry Wolff)
+* Upgrade: Most dev dependencies (Nicholas C. Zakas)
+* Upgrade: shelljs to 0.3.0 (Nicholas C. Zakas)
+* Upgrade: doctrine to 0.5.2 (Nicholas C. Zakas)
+* Upgrade: esprima to 1.2.2 (Nicholas C. Zakas)
+* Upgrade: eslint-tester to latest (Nicholas C. Zakas)
+* Fix: Load .eslintrc in directory with $HOME as an ancestor (fixes #1266) (Beau Gunderson)
+* Fix: load .eslintrc from HOME (fixes #1262) (Beau Gunderson)
+* New: Add sharable rule settings (fixes #1233) (Ilya Volodin)
+* Upgrade: upgrade outdated dependencies (fixes #1251) (Mathias Schreck)
+* Docs: fix typo in no-ex-assign documentation (Michael Ficarra)
+* Docs: add intellij plugin to integrations (ido)
+* Docs: Changing NPM to npm (Peter deHaan)
+* Fix: strict should check function expressions (fixes #1244) (Brandon Mills)
+* Docs: fix vars-on-top documentation (fixes #1234) (Mathias Schreck)
+* 0.8.1 (Nicholas C. Zakas)
+* Docs: Fixed a typo in brace-style.md (Anton Antonov)
+
+v0.8.1 - September 9, 2014
+
+* 0.8.1 (Nicholas C. Zakas)
+* Fix: Ensure exit code is 1 when there's a syntax error (fixes #1239) (Nicholas C. Zakas)
+* Docs: fix up vars-on-top documentation (fixes #1234) (Michael Ficarra)
+* Fix: vars-on-top directive support (fixes #1235) (Michael Ficarra)
+* Fix: Avoid mutating node.range in max-len (fixes #1224) (Brandon Mills)
+* Docs: Typo, add missing quotation mark (Ádám Lippai)
+* Update: space-in-brackets to allow exceptions (fixes #1142) (Brandyn Bennett)
+* 0.8.0 (Nicholas C. Zakas)
+
+v0.8.0 - September 5, 2014
+
+* 0.8.0 (Nicholas C. Zakas)
+* Perf-related revert "Fix: Speed up tokens API (refs #1212)" (Nicholas C. Zakas)
+* Fix: no-fallthrough: continue affects control flow, too (fixes #1220) (Michael Ficarra)
+* Fix: rewrite no-unused-vars rule (refs #1212) (Michael Ficarra)
+* Fix: Error when there's a \r in .eslintrc (#1172) (Gyandeep Singh)
+* Added rule disallowing reserved words being used as keys (fixes #1144) (Emil Bay)
+* Fix: rewrite no-spaced-func rule (refs #1212) (Michael Ficarra)
+* Fix: Speed up getScope() (refs #1212) (Brandon Mills)
+* Fix: no-extra-strict behavior for named function expressions (fixes #1209) (Mathias Schreck)
+* Add Date.UTC to allowed capitalized functions (David Brockman Smoliansky)
+* New:  Adding 'vars-on-top' rule (fixes #1148) (Gyandeep Singh)
+* Fix: Speed up tokens API (refs #1212) (Brandon Mills)
+* Docs: document plugin usage (fixes #1117) (Mathias Schreck)
+* New: accept plugins from cli (fixes #1113) (Mathias Schreck)
+* Docs: fix some typos. (Mathias Schreck)
+* New: Load plugins from configs (fixes #1115). (Mathias Schreck)
+* Fix: no-unused-expressions better directive detection (fixes #1195) (Michael Ficarra)
+* Fix: no-unused-expressions directive support (fixes #1185) (Michael Ficarra)
+* Update: Add 'allowSingleLine' option to brace-style (fixes #1089) (John Gozde)
+* Docs: Spell checking and one extra closing curly in code example (Juga Paazmaya)
+* Fix: mergeConfigs ensures the plugins property exists (fixes #1191). (Mathias Schreck)
+* Update: Declare ES6 collections (Map, Set, WeakMap, WeakSet) as built-in globals (fixes #1189) (Michał Gołębiowski)
+* New: Adding 'plugin' CLI option (fixes #1112) (Greg)
+* Fix: Correct a typo in the error message in tests (Michał Gołębiowski)
+* New: Add no-extra-bind rule to flag unnecessary bind calls (fixes #982) (Bence Dányi)
+* Fix: Useless bind call in cli-engine (fixes #1181) (Bence Dányi)
+* Docs: Updates `amd` description (fixes #1175) (James Whitney)
+* New: Adds support for the `jasmine` env (fixes #1176) (James Whitney)
+* Fix: for-in support to no-empty-label rule (fixes #1161) (Marc Harter)
+* docs: Update link (Mathias Bynens)
+* Fix: crash when loading empty eslintrc file (fixes #1164) (Michael Ficarra)
+* Fix: no-unused-var should respect compound assignments (fixes #1166) (Michael Ficarra)
+* Update: ES3 `ReservedWord`s (fixes #1151) Adds ES3 `ReservedWord`s to the list of keywords in the `dot-notation` rule (fixes #1151) (Emil Bay)
+* Update: Update comment parser to read rule slashes (fixes #1116) (Jary)
+* New: add no-void rule (fixes #1017). (Mike Sidorov)
+* New: Add rules.import() (fixes #1114) (Mathias Schreck)
+* New: Make mergeConfigs() merge plugin entries (fixes #1111) (Mathias Schreck)
+* Breaking: Change no-global-strict to global-strict and add "always" option (fixes #989) (Brandon Mills)
+* Fix: no-unreachable should check top-level statements (fixes #1138) (Brandon Mills)
+* Fix: Speed up no-unreachable (fixes #1135) (Brandon Mills)
+* New: advanced handle-callback-err configuration (fixes #1124) (Mathias Schreck)
+* New: Expose CLIEngine (fixes #1083) (Gyandeep Singh)
+* Docs: Add link to new Atom linter (fixes #1125) (Gil Pedersen)
+* Fix: space-after-keywords checks finally of TryStatement (fixes #1122) (Michael Ficarra)
+* Fix: space-after-keywords checks while of DoWhileStatement (fixes #1120) (Michael Ficarra)
+* Fix: space-after-keywords w/ "never" should allow else-if (fixes #1118) (Michael Ficarra)
+* Fix: dot-notation rule flags non-keyword reserved words (fixes #1102) (Michael Ficarra)
+* Update: Use xml-escape instead of inline helper (Ref #848) (jrajav)
+* Update: Added comments support to .eslintignore (fixes #1084) (Vitaly Puzrin)
+* Update: enabled 'no-trailing-spaces' rule by default (fixes #1051) (Vitaly Puzrin)
+* Breaking: Ignore children of all patterns by adding "/**" (Fixes #1069) (jrajav)
+* Fix: skip dot files and ignored dirs on traverse (fixes #1077, related to #814) (Vitaly Puzrin)
+* Docs: Added Gruntjs plugin on integrations page (Gyandeep Singh)
+* Fix: don't break node offsets if hasbang present (fixes #1078) (Vitaly Puzrin)
+* Build: Exclude readme/index from rules Resources generation (Fixes #1072) (jrajav)
+* Docs: Change eol-last examples to `<pre>` (Fixes #1068) (jrajav)
+* 0.7.4 (Nicholas C. Zakas)
+* New: space-in-parens rule (Closes #627) (jrajav)
+
+v0.7.4 - July 10, 2014
+
+* 0.7.4 (Nicholas C. Zakas)
+* Docs: Fix 'lintinging' typo and ref links (Tom Vincent)
+* Fix: Transform envs option to object in Config (Fixes #1064) (jrajav)
+* 0.7.3 (Nicholas C. Zakas)
+
+v0.7.3 - July 9, 2014
+
+* 0.7.3 (Nicholas C. Zakas)
+* Update: Address code review comment for strict rule (refs #1011) (Nicholas C. Zakas)
+* Docs: Update copyright policy (Nicholas C. Zakas)
+* Docs: Update documentation for max-len to include description of second option (fixes #1006) (Nicholas C. Zakas)
+* Fix: Avoid double warnings for strict rule (fixes #1011) (Nicholas C. Zakas)
+* Fix: Check envs for true/false (Fixes #1059) (jrajav)
+* 0.7.2 (Nicholas C. Zakas)
+
+v0.7.2 - July 8, 2014
+
+* 0.7.2 (Nicholas C. Zakas)
+* Fix: no-mixed-spaces-and-tabs incorrectly flagging multiline comments (fixes #1055) (Nicholas C. Zakas)
+* Fix: new-cap error that throws on non-string member (fixes #1056) (Nicholas C. Zakas)
+* Fix: Always make globals an object (Fixes #1049) (jrajav)
+* 0.7.1 (Nicholas C. Zakas)
+
+v0.7.1 - July 7, 2014
+
+* 0.7.1 (Nicholas C. Zakas)
+* Docs: Add Related Rules sections (Fixes #990) (jrajav)
+* Fix: Check output file isn't dir, fix tests (Fixes #1034) (jrajav)
+* Docs: Updated documentation for several rules (Nicholas C. Zakas)
+* Docs: Updated contributor guide and dev env setup guide (Nicholas C. Zakas)
+* Breaking: Implement configuration hierarchy (fixes #963) (Nicholas C. Zakas)
+* Update: greatly simplify eqeqeq's operator finding logic (fixes #1037) (Michael Ficarra)
+* New: Add getSourceLines() to core and rule context (fixed #1005) (Jary)
+* Build + Docs: Adding generated resource links to rule docs (Fixes #1021) (jrajav)
+* Fix: Ignore unused params for args: 'none' (Fixes #1026) (jrajav)
+* Fix: Point eqeqeq error at operator (Fixes #1029) (jrajav)
+* New: report output to a file (fixes #1027) (Gyandeep Singh)
+* Breaking: CLIEngine abstraction for CLI operations; formatters no longer are passed configs (fixes #935) (Nicholas C. Zakas)
+* Fix: Allow stdout to drain before exiting (fixes #317) (Nicholas C. Zakas)
+* New: add no-undefined rule (fixes #1020) (Michael Ficarra)
+* New: Added no-mixed-spaces-and-tabs rule (fixes #1003) (Jary)
+* New: Added no-trailing-spaces rule (fixes #995) (Vitaly Puzrin)
+* Update: Factor ignores out of Config (fixes #958) (jrajav)
+* Fix: rewrite eol-last rule (fixes #1007) (fixes #1008) (Michael Ficarra)
+* Fix: add additional IIFE exception in no-extra-parens (fixes #1004) (Michael Ficarra)
+* Docs: Removed reference to brace-style Stroustrup default (fixes #1000) (Caleb Troughton)
+* New: Added eol-last rule (Fixes #996) (Vitaly Puzrin)
+* Fix: Put rule severity in messages (Fixes #984); deprecates passing full config to Formatters (jrajav)
+* Fix: no-unused-vars to check only file globals (fixes #975) (Aliaksei Shytkin)
+* Build: Makefile - Check for rule ids in docs titles (Fixes #969) (Delapouite)
+* Docs: guard-for-in - added missing id in title (Fixes #969) (Delapouite)
+* Breaking: Change 'no-yoda' rule to 'yoda' and add "always" option (Fixes #959) (jrajav)
+* Fix: Fixes no-unused-vars to check /*globals*/ (Fixes #955) (jrajav)
+* Update: no-eval to also warn on setTimeout and setInterval (fixes #721) (Nicholas C. Zakas)
+* Remove: experimental match() method (Nicholas C. Zakas)
+* Update: space-in-brackets now always allows empty object and array literals to have no spaces (fixes #797) (Nicholas C. Zakas)
+* New: Allow the cli parameter "color" and "no-color" (fixes #954) (Tom Gallacher)
+* Fix: valid-jsdoc no more warning for multi-level params (Fixes #925) (Delapouite)
+* Update: Search parent directories for .eslintignore (Fixes #933) (jrajav)
+* Fix: Correct order of arguments passed to assert.equal (fixes #945) (Michał Gołębiowski)
+* Update: Write the summary in stylish formatter in yellow if no errors (fixes #906); test coloring of messages (Michał Gołębiowski)
+* Fix: Corrects configs merging into base config (Fixes #838) (jrajav)
+* Fix: Adding check if char is non-alphabetic to new-cap (Fixes #940) (jrajav)
+* Docs: Update about page description (fixes #936) (Nicholas C. Zakas)
+* Docs: Add '/', forgotten in first commit (Fixes #931) (jrajav)
+* Update: Rule `new-cap` checks capitalized functions (fixes #904) (Aliaksei Shytkin)
+* Docs: Mention allowed semicolons in "never" mode for 'semi' rule (fixes #931) (jrajav)
+* Docs: Mention Yeoman generator in dev setup (fixes #914) (Nicholas C. Zakas)
+* Build: Remove flaky perf test from Travis (Nicholas C. Zakas)
+* Breaking: Refactor .eslintignore functionality (refs #928, fixes #901, fixes #837, fixes #853) (Nicholas C. Zakas)
+* 0.6.2 (Nicholas C. Zakas)
+* Breaking: Remove JSON support for .eslintignore (fixes #883) (icebox)
+
+v0.6.2 - May 23, 2014
+
+* 0.6.2 (Nicholas C. Zakas)
+* Fix: Adding per-environment rule configs to docs and doc validation (Fixes #918) (jrajav)
+* Docs: Updated contribution guidelines (Nicholas C. Zakas)
+* Docs: Update description of eqeqeq to mention special cases (fixes #924) (Nicholas C. Zakas)
+* Fix: block-scoped-var CatchClause handling (fixes #922) (Michael Ficarra)
+* Fix: block-scoped-var respects decls in for and for-in (fixes #919) (Michael Ficarra)
+* Update: Implement eqeqeq option "allow-null" (fixes #910) (Michał Gołębiowski)
+* Fix: new-cap should allow non-alpha characters (fixes #897) (Michael Ficarra)
+* Update: Refactor ESLintTester to fix dependency hell (fixes #602) (Nicholas C. Zakas)
+* Fix: Merge configs with ancestors (Fixes #820) (jrajav)
+* Fix: no-fallthrough should respect block statements in case statements (fixes #893) (Nicholas C. Zakas)
+* Docs: Fix layout issue in configuration docs (fixes #889) (Nicholas C. Zakas)
+* Build: Enable default-case rule (fixes #881) (icebox)
+* Build: Enable space-after-keywords (fixes #884) (icebox)
+* Fix api double emit on comment nodes (fixes #876) (Aliaksei Shytkin)
+* 0.6.1 (Nicholas C. Zakas)
+
+v0.6.1 - May 17, 2014
+
+* 0.6.1 (Nicholas C. Zakas)
+* Upgrade: Optionator to 0.4.0 (fixes #885) (Nicholas C. Zakas)
+* 0.6.0 (Nicholas C. Zakas)
+
+v0.6.0 - May 17, 2014
+
+* 0.6.0 (Nicholas C. Zakas)
+* Fix: Remove -r alias for --rule (fixes #882) (Nicholas C. Zakas)
+* Docs: Update dev setup, contributing, default-case descriptions (Nicholas C. Zakas)
+* Update: valid-jsdoc now allows you to optionally turn off parameter description checks (fixes #822) (Nicholas C. Zakas)
+* Breaking: brace-style now disallows block statements where curlies are on the same line (fixes #758) (Nicholas C. Zakas)
+* Add linting Makefile.js (fixes #870) (icebox)
+* add rule flag, closes #692 (George Zahariev)
+* Add check between rules doc and index (fixes #865) (icebox)
+* Add Build Next mention in integrations README. (icebox)
+* document new IIFE exception for no-extra parens added as part of #655 (Michael Ficarra)
+* (fixes #622) Add rule ID on documentation pages (Delapouite)
+* fixes #655: add IIFE exception to no-extra-parens (Michael Ficarra)
+* add new rule "no-new-require" (Wil Moore III)
+* exit with non-zero status when tests fail (fixes #858) (Márton Salomváry)
+* removed unicode zero width space character from messages (fixes #857) (Márton Salomváry)
+* Change: --rulesdir now can be specified multiple times (fixes #830) (Nicholas C. Zakas)
+* Update: Node 0.8 no longer supported (fixes #734) (Nicholas C. Zakas)
+* Update: Add typed arrays into builtin environment globals (fixes #846) (Nicholas C. Zakas)
+* Fix: Add prototype methods to global scope (fixes #700) (Nicholas C. Zakas)
+* Rule: no-restricted-modules (fixes #791) (Christian)
+* Upgrade: Esprima to 1.2 (fixes #842) (Nicholas C. Zakas)
+* Docs: reporting level 2 is an error (fixes #843) (Brandon Mills)
+* Upgrade: Esprima to 1.2, switch to using Esprima comment attachment (fixes #730) (Nicholas C. Zakas)
+* Fix: Semi rule incorrectly flagging extra semicolon (fixes #840) (Nicholas C. Zakas)
+* Build: Update Travis to only test Node 0.10 (refs #734) (Nicholas C. Zakas)
+* Add "nofunc" option (fixes #829) (Conrad Zimmerman)
+* Rule: no-inner-declarations (fixes #587) (Brandon Mills)
+* Rule 'block-scoped-var': correct scope for functions, arguments (fixes #832) (Aliaksei Shytkin)
+* Rule: default-case (fixes #787) (Aliaksei Shytkin)
+* Ignored files are excluded unless --force is passed on the CLI (Nick Fisher)
+* Fixes a typo and a broken link in the documentation (Nick Fisher)
+* Replaces .some() with .indexOf() where appropriate (Nick Fisher)
+* Fix correct config merge for array values (fixes #819) (Aliaksei Shytkin)
+* Remove warning about ESLint being in Alpha (Nick Fisher)
+* Adds `space-after-keywords` rule (fixes #807) (Nick Fisher)
+* Rule: no-lonely-if (fixes #790) (Brandon Mills)
+* Add ignore comments in file (fixes #305) (Aliaksei Shytkin)
+* 0.5.1 (Nicholas C. Zakas)
+* Change: no-unused-vars default to 'all' (fixes #760) (Nicholas C. Zakas)
+
+v0.5.1 - April 17, 2014
+
+* 0.5.1 (Nicholas C. Zakas)
+* Fix general config not to be modified by comment config in files (fixes #806) (Aliaksei Shytkin)
+* SVG badges (Ryuichi Okumura)
+* fixes #804: clean up implementation of #803 (which fixed #781) (Michael Ficarra)
+* Build: Fix perf test to take median of three runs (fixes #781) (Nicholas C. Zakas)
+* Fix: --reset will now properly ignore default rules in environments.json (fixes #800) (Nicholas C. Zakas)
+* Docs: Updated contributor guidelines (Nicholas C. Zakas)
+* Added Mocha global variables for TDD style. Fixes #793. (Golo Roden)
+* Rule: no-sequences (fixes #561) (Brandon Mills)
+* Change .eslintignore to plain text (fixes #761) (Brandon Mills)
+* Change 'no-spaced-func' message (fixes #762) (Aliaksei Shytkin)
+* Rule 'block-scoped-var' works correct when object inits (fixes #783) (Aliaksei Shytkin)
+* Build: Always build docs site on top of origin/master (Nicholas C. Zakas)
+* 0.5.0 (Nicholas C. Zakas)
+
+v0.5.0 - April 10, 2014
+
+* 0.5.0 (Nicholas C. Zakas)
+* Build: Bump perf limit so Travis won't fail every time (fixes #780) (Nicholas C. Zakas)
+* Add tests to cover 100% of eslint.js (Aliaksei Shytkin)
+* Fix: Make sure no-path-concat doesn't flag non-concat operations (fixes #776) (Nicholas C. Zakas)
+* Rule 'no-unused-var' in functional expression with identifier (fixes #775) (Aliaksei Shytkin)
+* Rule: valid-typeof (Ian Christian Myers)
+* Add global cli flag (ref #692) (Brandon Mills)
+* update to latest Optionator (George Zahariev)
+* Add options for rule 'no-unused-vars' to check all arguments in functions (fixes #728) (Aliaksei Shytkin)
+* Fix: Cleanup package.json (Nicholas C. Zakas)
+* New: Experimental support for CSS Auron (fixes #765) (Nicholas C. Zakas)
+* Lint tests on build (fixes #764) (Aliaksei Shytkin)
+* Rule block-scoped-var works correct with object properties (fixes #755) (Aliaksei Shytkin)
+* Breaking: implement eslint-env and remove jshint/jslint environment comment support (fixes #759) (Aliaksei Shytkin)
+* readme: npm i -> npm install (Linus Unnebäck)
+* Add env flag to cli options summary (fixes #752) (Brandon Mills)
+* Fix: Give the perf test a better calculated budget (fixes #749) (Nicholas C. Zakas)
+* give the `env` flag type `[String]`, improve code (fixes #748) (George Zahariev)
+* fixes #735: add new, more efficient getTokens interfaces (Michael Ficarra)
+* Add --env cli flag (ref #692) (Brandon Mills)
+* Fixes #740 - Make sure callbacks exist before marking them as 'handled'. (mstuart)
+* fixes #743: wrap-regex rule warns on regex used in dynamic member access (Michael Ficarra)
+* replace tab indents with 4 spaces in lib/rules/handle-callback-err.js (Michael Ficarra)
+* Adding homepage and bugs links to package.json (Peter deHaan)
+* JSDoc for rules (Anton Rudeshko)
+* 0.4.5 (Nicholas C. Zakas)
+
+v0.4.5 - March 29, 2014
+
+* 0.4.5 (Nicholas C. Zakas)
+* Build: Add perf check into Travis build to better monitor performance regressions (fixes #732) (Nicholas C. Zakas)
+* Fix: Make sure semi reports correct location of missing semicolon (fixes #726) (Nicholas C. Zakas)
+* Add --no-eslintrc cli flag (ref #717) (Brandon Mills)
+* Fix #716 crash with reset flag (Brandon Mills)
+* Fixed JSON formatting and highlighting (Anton Rudeshko (Tesla))
+* fixes #723: block-scoped-var throws on unnamed function expression (Michael Ficarra)
+* Fix: Make stroustrup brace-style closing message make sense (fixes #719) (Nicholas C. Zakas)
+* no-comma-dangle reports correct line number (Andrey Popp)
+* Upgrade: Esprima to 1.1.1 and EScope to 1.0.1 (fixes #718) (Nicholas C. Zakas)
+* Add reset cli flag (refs #692) (Brandon Mills)
+* Relax eqeqeq null check (fixes #669) (Brandon Mills)
+* 0.4.4 (Nicholas C. Zakas)
+* New Rule: handle-callback-err (fixes #567) (Jamund Ferguson)
+
+v0.4.4 - March 25, 2014
+
+* 0.4.4 (Nicholas C. Zakas)
+* Fix no-used-vars to report FunctionExpression params (fixes #697). (Andrey Popp)
+* fixes #711: eslint reports wrong line number for files with shebang (Michael Ficarra)
+* Fix for no-unused-vars and MemberExpression (Andrey Popp)
+* added no-warning-comments rule (Alexander Schmidt)
+* fixes #699: brace-style does not check function expressions (Michael Ficarra)
+* rewrite block-scoped-var (Michael Ficarra)
+* recommend using hasOwnProperty from Object.prototype in guard-for-in docs (Michael Ficarra)
+* change conf/environments.json spacing to be simpler and more consistent (Michael Ficarra)
+* Update API to use context.getFilename() instead of .filename. (Loren Segal)
+* Small changes, JSDoc is clarified (Aliaksei Shytkin)
+* Move FileFinder to separate file (Aliaksei Shytkin)
+* Cache if file is not found (Aliaksei Shytkin)
+* Use cache on config files seach (Aliaksei Shytkin)
+* Added .eslintignore to load from parents folders (fixes #681) (Aliaksei Shytkin)
+* fix 'node-modules' typo in docs (Fred K. Schott)
+* Upgrade to the latest version of doctrine. (Brian Di Palma)
+* Document optional filename and default it to `input`. (Loren Segal)
+* Fix: Compatibility for Node 0.8 (Nicholas C. Zakas)
+* Update: Makefile.js now uses shelljs-nodecli (Nicholas C. Zakas)
+* #681 apply all .eslintignore exclusions (Aliaksei Shytkin)
+* Add RuleContext.filename property (for eslint/eslint#468). (Loren Segal)
+* 0.4.3 (Nicholas C. Zakas)
+
+v0.4.3 - March 18, 2014
+
+* 0.4.3 (Nicholas C. Zakas)
+* fixes #682: rewrite no-constant-condition rule (Michael Ficarra)
+* Fixes #673 allow configuration of @return errors via requireReturn - (fixes #673) (Brian Di Palma)
+* Tweaking inline code formatting for "if, while, dowhile" (Peter deHaan)
+* Fixes #677 getJSDocComment() should not search beyond FunctionExpression or FunctionDeclaration parent nodes. (Brian Di Palma)
+* Relaxed enforcement of camelcase rule (Ian Christian Myers)
+* Fixing issue #675. Incorrect triggering of no-else-return rule. (Brian Di Palma)
+* Added style option for wrap-iife (Mathias Schreck)
+* Fix: Issues with named function expressions in no-unused-vars and no-shadow (fixes #662) (Nicholas C. Zakas)
+* Update: camelcase rule now doesn't flag function calls (fixes #656) (Nicholas C. Zakas)
+* Updating documentation description for: no-space-before-semi rule, changing rules to exempt strings with semicolons and test for that condition. Fixes #629. (Jonathan Kingston)
+* Adding in rule no-space-before-semi to prevent spaces before semicolons. fixes #629 (Jonathan Kingston)
+* show NPM version (Paul Verest)
+* adapt code formatting (Mathias Schreck)
+* Added a TextMate 2 integration to the docs (Nate Silva)
+* 0.4.2 (Nicholas C. Zakas)
+
+v0.4.2 - March 3, 2014
+
+* 0.4.2 (Nicholas C. Zakas)
+* fixes #651: disable no-catch-shadow rule in node environment (Michael Ficarra)
+* Fixed context.report message parsing (Ian Christian Myers)
+* fixe #648: wrap-iife rule should actually check that IIFEs are wrapped (Michael Ficarra)
+* Added "stroustrup" option for brace-style (Ian Christian Myers)
+* 0.4.1 (Nicholas C. Zakas)
+
+v0.4.1 - February 27, 2014
+
+* 0.4.1 (Nicholas C. Zakas)
+* Created space-in-brackets rule (Ian Christian Myers)
+* Update: Allow valid-jsdoc to specify replacement tags (fixes #637) (Nicholas C. Zakas)
+* Fix: Ensure getJSDocComment() works for all function declarations (fixes #638) (Nicholas C. Zakas)
+* Added broccoli-eslint to integration docs (Christian)
+* fixes #634: getters/setters shouldn't trigger no-dupe-keys (Michael Ficarra)
+* Update: semi to also enforce not using semicolons (fixes #618) (Nicholas C. Zakas)
+* New Rule: no-constant-condition  - removed SwitchStatement discriminant check  - removed AssignmentExpression with right Identifier  - fixed copy paste error  - added DoWhileStatement, ForStatement based on discussion: https://github.com/eslint/eslint/pull/624 (fixes #621) (Christian)
+* New Rule: no-constant-condition (fixes #621) (Christian)
+* Adding mimosa-eslint to Build System list (dbashford)
+* Fix: Make sure semi flags return statements without a semicolon (fixes #616) (Nicholas C. Zakas)
+* Fix: stylish formatter blue text -> white text (fixes #607) (Nicholas C. Zakas)
+* Fix: radix rule should warn (not throw error) when parseInt() is called without arguments (fixes #611) (Nicholas C. Zakas)
+* Update README.md (Dmitry)
+* Adding JSDoc comments for TAP format helper functions (Jonathan Kingston)
+* Updating documentation to include TAP format option (Jonathan Kingston)
+* Fixing validation issues to TAP formatter (Jonathan Kingston)
+* Adding TAP formatter and basic tests (Jonathan Kingston)
+* Docs: Updated integrations page (Nicholas C. Zakas)
+* 0.4.0 (Nicholas C. Zakas)
+
+v0.4.0 - February 12, 2014
+
+* 0.4.0 (Nicholas C. Zakas)
+* Change: Switch :after to :exit (fixes #605) (Nicholas C. Zakas)
+* Fix: Make sure no-unused-vars doesn't get confused by nested functions (fixes #584) (Nicholas C. Zakas)
+* Update: .eslintrc to check more things (Nicholas C. Zakas)
+* Fix: Make sure JSDoc parser accepts JSDoc3-style optional parameters (Nicholas C. Zakas)
+* Docs: Update documentation with linking instructions for ESLintTester (Nicholas C. Zakas)
+* New Rule: valid-jsdoc (fixes #536) (Nicholas C. Zakas)
+* #595 improved func-names documentation (Kyle Nunery)
+* #595 added more func-names tests (Kyle Nunery)
+* #595 fix rule message and add more tests (Kyle Nunery)
+* use optionator for option parsing, not optimist (George Zahariev)
+* Include instructions for working with ESLintTester (Nicholas C. Zakas)
+* #595 remove needless 'function Foo() {}' in tests (Kyle Nunery)
+* #595 fix whitespace (Kyle Nunery)
+* #595 fix markdown for js code blocks (Kyle Nunery)
+* Adding information about Yeomen generator (Ilya Volodin)
+* #595 add docs for rule func-names (Kyle Nunery)
+* #595 add func-names rule (Kyle Nunery)
+* migrate variables array to map (Brandon Mills)
+* Perf: Move try-catch out of verify() function to allow V8 optimization (refs #574) (Nicholas C. Zakas)
+* Docs: Added instructions for running npm run profile (Nicholas C. Zakas)
+* refactor variable name lookup into a separate function (Brandon Mills)
+* optimize findVariable() in no-unused-vars (Brandon Mills)
+* move to tests/bench (Chris Dickinson)
+* add `npm run profile`. (Chris Dickinson)
+* #586 refactor based on https://github.com/eslint/eslint/pull/590#discussion_r9476367 (Christian)
+* #586 added no-unreachable jsdoc, documentation note on hoisting case (Christian)
+* #586 add hoisting check to no-unreachable (Christian)
+* readme: Remove stray asterisk (Timo Tijhof)
+* #580 Remove eslint.getAllComments(), related docs, related tests (Christian)
+* Added test for bug fix #582. Test Passes (Shmueli Englard)
+* Added curly braces to if statment (Shmueli Englard)
+* Added new test for fix to #582 (fixes 582) (Shmueli Englard)
+* Bug #582: Added check if node.value isn't a string just exit (Shmueli Englard)
+* Update Rule: implement curly options for single-statement bodies (fixes #511) (Nicholas C. Zakas)
+* New Rule: no-extra-boolean-cast (fixes #557) (Brandon Mills)
+* New Rule: no-sparse-arrays (fixes #499) (Nicholas C. Zakas)
+* Fix: no-spaced-func is now an error (Nicholas C. Zakas)
+* New Rule: no-process-exit (fixes #568) (Nicholas C. Zakas)
+* New Rule: no-labels (fixes #550) (Nicholas C. Zakas)
+* New Rule: no-lone-blocks (fixes #512) (Brandon Mills)
+* Added Emacs/Flycheck integration (Nikolai Prokoschenko)
+* Build: Add perf test (Nicholas C. Zakas)
+* Fix: no-cond-assign shouldn't throw error when there's a for loop with an empty conditional (fixes #53) (Nicholas C. Zakas)
+* Docs: Add docs for no-regex-spaces and all doc errors now break build (closes #562) (Nicholas C. Zakas)
+* Rename: regex-spaces to no-regex-spaces (Nicholas C. Zakas)
+* Docs: Add docs for no-underscore-dangle (refs #562) (Nicholas C. Zakas)
+* Docs: Add docs for no-undef-init (refs #562) (Nicholas C. Zakas)
+* Docs: Add docs for no-return-assign (refs #562) (Nicholas C. Zakas)
+* Fix: Misspelling in no-return-assign message (Nicholas C. Zakas)
+* Docs: Add docs for no-new-wrappers (refs #562) (Nicholas C. Zakas)
+* Docs: Add docs for no-new-object (refs #562) (Nicholas C. Zakas)
+* Docs: Add docs for no-implied-eval (refs #562) (Nicholas C. Zakas)
+* Docs: Updated documentation for developing rules (Nicholas C. Zakas)
+* Testing: Move ESLintTester to be external dependency (fixes #480) (Nicholas C. Zakas)
+* Docs: Add list of known integrations (Nicholas C. Zakas)
+* Fix #570 (dmp42)
+* document no-array-constructor rule (Michael Ficarra)
+* fixes #500: no-array-constructor should not flag 1-argument construction (Michael Ficarra)
+* fixes #501: no-array-constructor recognises CallExpression form (Michael Ficarra)
+* rename no-new-array rule to no-array-constructor; ref #501 (Michael Ficarra)
+* Fix: Make radix rule warn on invalid second parameter (fixes #563) (Nicholas C. Zakas)
+* Docs: Added no-floating-decimal docs (refs #562) (Nicholas C. Zakas)
+* New Rule: no-path-concat (fixes #540) (Nicholas C. Zakas)
+* Docs: Add some missing rule docs (refs #562) (Nicholas C. Zakas)
+* Fix: CLI should not output anything when there are no warnings (fixes #558) (Nicholas C. Zakas)
+* New Rule: no-yoda (fixes #504) (Nicholas C. Zakas)
+* New Rule: consistent-return (fixes #481) (Nicholas C. Zakas)
+* Rewrite configuration documentation to include information about globals (fixes #555) (Nicholas C. Zakas)
+* Allow YAML configuration files (fixes #491) (Nicholas C. Zakas)
+* 0.3.0 (Nicholas C. Zakas)
+
+v0.3.0 - January 20, 2014
+
+* 0.3.0 (Nicholas C. Zakas)
+* Config: Allow comments in JSON configuration files (fixes #492) (Nicholas C. Zakas)
+* Bug: max-len fix to report correct line number (fixes #552) (Nicholas C. Zakas)
+* Build: Use browserify to create browser-ready ESLint (fixes #119) (Nicholas C. Zakas)
+* Docs: Ensure all rules have entry on top-level rules index page (Nicholas C. Zakas)
+* Docs: Add docs for no-fallthrough rule (Nicholas C. Zakas)
+* Update README.md (Peter deHaan)
+* Update README.md (Peter deHaan)
+* Update package.json (Peter deHaan)
+* Docs: Added documentation for semi rule (Nicholas C. Zakas)
+* Build: Reset branch coverage target (Nicholas C. Zakas)
+* Update build system to generate eslint.org during release (Nicholas C. Zakas)
+* Updated setup doc (Nicholas C. Zakas)
+* Fix #525 & #528 (Mangled Deutz)
+* Improve no-negated-in-lhs description (David Bruant)
+* Fixing typo (David Bruant)
+* Update no-new.md (Tamas Fodor)
+* Update no-extra-semi.md (Tamas Fodor)
+* Fixing broken links in documentation (Ilya Volodin)
+* Update about page (Nicholas C. Zakas)
+* Site generation build step and documentation updates to support it (fixes #478) (Nicholas C. Zakas)
+* Change message for brace-style rule (fixes #490) (Nicholas C. Zakas)
+* Add question about ES6 support to FAQ (fixes #530) (Nicholas C. Zakas)
+* Set unlimited number of listeners for event emitter (fixes #524) (Nicholas C. Zakas)
+* Add support for comment events (fixes #531) Add :after events for comments (Nicholas C. Zakas)
+* Add :after events for comments (Nicholas C. Zakas)
+* Allow config files to have any name (fixes #486). (Aparajita Fishman)
+* List available formatters (fixes #533). (Aparajita Fishman)
+* Add support for comment events (fixes #531) (Nicholas C. Zakas)
+* Add Stylish formatter and make it default. Fixes #517 (Sindre Sorhus)
+* Fix missing code exit (Mangled Deutz)
+* Added unit test for calling Config.getConfig with no arguments. (Aparajita Fishman)
+* Typo (Mangled Deutz)
+* Fixed docs typo (Nicholas C. Zakas)
+* Mark functions as used when any method is called on them (Nicholas C. Zakas)
+* Fixed: Config.getConfig is called either with a file path or with no args (fixes #520) (Aparajita Fishman)
+* Fix minor bug in no-empty rule (Nicholas C. Zakas)
+* add more info for failure messages (Nicholas C. Zakas)
+* Add ruleId to all formatters output (fixes #472) (Nicholas C. Zakas)
+* Remove unused code (Nicholas C. Zakas)
+* Correctly handle case with both finally and catch in no-empty (Nicholas C. Zakas)
+* Update documentation for no-unused-vars (Nicholas C. Zakas)
+* Ensure that bound function expressions are reported as being used (fixes #510) (Nicholas C. Zakas)
+* Allow empty catch/finally blocks (fixes #514) and update documentation (fixes #513) (Nicholas C. Zakas)
+* Updated contribution guidelines (Nicholas C. Zakas)
+* Add default setting for no-cond-assign (Nicholas C. Zakas)
+* Add build step to check rule consistency (Nicholas C. Zakas)
+* update docs: explicit cli args are exempt from eslintignore exclusions (Michael Ficarra)
+* fixes #505: no-cond-assign should ignore doubly parenthesised tests (Michael Ficarra)
+* Renamed unnecessary-strict to no-extra-strict (Nicholas C. Zakas)
+* Fixed missing documentation links (Nicholas C. Zakas)
+* Add build task to check for missing docs and tests for rules (Nicholas C. Zakas)
+* Slight reorganization of rule groups (Nicholas C. Zakas)
+* Added one-var and sorted some rules (Nicholas C. Zakas)
+* Updated Travis badge for new location (Nicholas C. Zakas)
+* fixes #494: allow shebangs in processed JS files (Michael Ficarra)
+* fixes #496: lint ignored files when explicitly specified via the CLI (Michael Ficarra)
+* More tests (Ilya Volodin)
+* Upgrade Istanbul (Ilya Volodin)
+* fixes #495: holey arrays cause no-comma-dangle rule to throw (Michael Ficarra)
+* Documentation and minor changes (Ilya Volodin)
+* Adding missing package registration (Ilya Volodin)
+* Adding support for .eslintignore and .jshintignore (Closes #484) (Ilya Volodin)
+* fixes #482: brace-style bug with multiline conditions (Michael Ficarra)
+* Switching Travis to use ESLint (Closes #462) (Ilya Volodin)
+* 0.2.0 (Nicholas C. Zakas)
+
+v0.2.0 - January 1, 2014
+
+* 0.2.0 (Nicholas C. Zakas)
+* Bump code coverage checks (Nicholas C. Zakas)
+* Take care of unreachable code in case statement (Nicholas C. Zakas)
+* Updated rule messaging and added extra tests (Nicholas C. Zakas)
+* Fixing eslint errors and unittests (Ilya Volodin)
+* Rule: max-nested-callbacks (Ian Christian Myers)
+* Fix fall-through rule with nested switch statements (fixes #430) (Nicholas C. Zakas)
+* Fixed trailing comma (Nicholas C. Zakas)
+* Added more tests for func-style (Nicholas C. Zakas)
+* Fixed documentation for func-style (Nicholas C. Zakas)
+* Fixed linting error (Nicholas C. Zakas)
+* Rule to enforce function style (fixes #460) (Nicholas C. Zakas)
+* Rule is off by default. Updated documentation (Ilya Volodin)
+* Rule: sort variables. Closes #457 (Ilya Volodin)
+* Update architecture.md (Nicholas C. Zakas)
+* Change quotes option to avoid-escapes and update docs (fixes #199) (Brandon Payton)
+* Add allow-avoiding-escaped-quotes option to quotes rule (fixes #199) (Brandon Payton)
+* Update no-empty-class.md (Nicholas C. Zakas)
+* Updated titles on all rule documentation (fixes #348) (Nicholas C. Zakas)
+* Fixing eslint errors in codebase (Ilya Volodin)
+* fixes #464: space-infix-ops checks for VariableDeclarator init spacing (Michael Ficarra)
+* Add options to no-unused-vars. Fixes #367 (Ilya Volodin)
+* rename escape function to xmlEscape in checkstyle formatter (Michael Ficarra)
+* The semi rule now reports correct line number (Ian Christian Myers)
+* context.report now takes optional location (Ian Christian Myers)
+* fixes #454: escape values for XML in checkstyle formatter (Michael Ficarra)
+* Add color to Mocha test reporting (Ian Christian Myers)
+* Rule no-nested-ternary (Ian Christian Myers)
+* Fixing no-unused-var and no-redeclare (Ilya Volodin)
+* fixes #449: no-mixed-requires throws TypeError when grouping is enabled (Michael Ficarra)
+* Fixed reported line number for trailing comma error (Ian Christian Myers)
+* Update doc title for quote (Matthew DuVall)
+* fixes #446: join paths without additional delimiters (Michael Ficarra)
+* docs: add documentation for quotes rule (Matthew DuVall)
+* minor style changes to lib/rules/space-infix-ops.js as requested in #444 (Michael Ficarra)
+* remove "function invalid(){ return D }" from some tests (Michael Ficarra)
+* fixes #429: require spaces around infix operators; enabled by default (Michael Ficarra)
+* simplify fix for #442 (Michael Ficarra)
+* Fix broken test, ensure tests get run before a release is pushed (Nicholas C. Zakas)
+* 0.1.4 (Nicholas C. Zakas)
+
+v0.1.4 - December 5, 2013
+
+* 0.1.4 (Nicholas C. Zakas)
+* Add release scripts to package.json (Nicholas C. Zakas)
+* Fixed release error in Makefile (Nicholas C. Zakas)
+* Fix JSHint warnings (Nicholas C. Zakas)
+* Make sure 'default' isn't flagged by no-space-returns-throw rule (fixes #442) (Nicholas C. Zakas)
+* Fixing documentation (Ilya Volodin)
+* Fixing disabling rules with invalid comments Closes #435 (Ilya Volodin)
+* improve assertion on wrong number of errors (Christoph Neuroth)
+* fixes #431: no-unused-expressions should not flag statement level void (Michael Ficarra)
+* fixes #437: fragile no-extend-native rule (Michael Ficarra)
+* change space-* rule documentation headers to be more descriptive (Michael Ficarra)
+* Moved to tabs, added comments, a few more tests (Jamund Ferguson)
+* split GH-332 rule into space-unary-word-ops and space-return-throw-case (Michael Ficarra)
+* fixes #346: validate strings passed to the RegExp constructor (Michael Ficarra)
+* change some documentation extensions from js to md (Michael Ficarra)
+* fixes #332: unary word operators must be followed by whitespace (Michael Ficarra)
+* Add some docs (Jamund Ferguson)
+* DRYing cli tests and improving code coverage (Ilya Volodin)
+* fixes #371: add no-shadow-restricted-names rule (Michael Ficarra)
+* Added Support for Object.defineProperty() checking (Jamund Ferguson)
+* fixes #333: add rule to disallow gratuitously parenthesised expressions (Michael Ficarra)
+* improve rule test coverage (Michael Ficarra)
+* No Extend Native (Jamund Ferguson)
+* change getTokens 2nd/3rd arguments to count tokens, not characters (Michael Ficarra)
+* fixes #416: no-fallthrough flagging last case + reporting wrong line num (Michael Ficarra)
+* fixes #415: fix unnecessary-strict rule false positives (Michael Ficarra)
+* Add missing dependency (Nicholas C. Zakas)
+* Update docs related to running unit tests (Nicholas C. Zakas)
+* Add JSHint as missing dependency (Nicholas C. Zakas)
+* Switch to using ShellJS makefile (fixes #418) (Nicholas C. Zakas)
+* Updated documentation to reflect test changes (refs #417) (Nicholas C. Zakas)
+* Change to eslintTester.addRuleTest (fixes #417) (Nicholas C. Zakas)
+* Fix false positives for no-script-url (fixes #400) (Nicholas C. Zakas)
+* Fix lint warning (Nicholas C. Zakas)
+* Fixing ESLint warnings, introducing Makefile.js (not yet wired in) (Nicholas C. Zakas)
+* fixes #384: include builtin module list to avoid repl dependency (Michael Ficarra)
+* 0.1.3 (Nicholas C. Zakas)
+
+v0.1.3 - November 25, 2013
+
+* 0.1.3 (Nicholas C. Zakas)
+* Updated changelog (Nicholas C. Zakas)
+* Vows is gone. Mocha is now default (Ilya Volodin)
+* fixes #412: remove last remaining false positives in no-spaced-func (Michael Ficarra)
+* fixes #407: no-spaced-func rule flagging non-argument-list spaced parens (Michael Ficarra)
+* Add no-extra-semi to configuration (fixes #386) (Nicholas C. Zakas)
+* Converting formatter tests and core (Ilya Volodin)
+* Don't output anything when there are no errors in compact formatter (fixes #408) (Nicholas C. Zakas)
+* Removing Node 0.11 test - it fails all the time (Nicholas C. Zakas)
+* Completing conversion of rule's tests to mocha (Ilya Volodin)
+* added mocha conversion tests for strict, quote-props and one-var; enhanced one of the invalid one-var tests that was expecting two messages (Michael Paulukonis)
+
+
+v0.1.2 - November 23, 2013
+
+* 0.1.2 (Nicholas C. Zakas)
+* added mocha tests for radix and quotes; fixed some of the internals on quotes from vows annotations (Michael Paulukonis)
+* added tests for regex-spaces, strict, unnecessary-strict; fixed some types in overview/author notes in other tests. (Michael Paulukonis)
+* Converting unittests to mocha (Ilya Volodin)
+* mocha conversions of tests for 'use-isnan' and 'wrap-iife' (Michael Paulukonis)
+* added mocha tests semi.js and wrap-regex.js (Michael Paulukonis)
+* Converting more tests to mocha (Ilya Volodin)
+* Update CONTRIBUTING.md (Nicholas C. Zakas)
+* Cleaning up eslintTester (Ilya Volodin)
+* DRYing unittests and converting them to mocha (Ilya Volodin)
+* Reformatted Gruntfile (Nicholas C. Zakas)
+* Add tests to config load order: base, env, user. (icebox)
+* Fixing indent in gruntfile (Ilya Volodin)
+* Removing jake, adding Grunt, Travis now runs grunt (Ilya Volodin)
+* Add rules per environments to config. (icebox)
+* Add globals property to the environments. (icebox)
+* Fix error about IIFE if the function is in a new (Marsup)
+* Fix a broken link in the docs (Brian J Brennan)
+* Add test coverage for additional cases, fix open paren at beginning of expr (Matthew DuVall)
+* Fixing no-undef for eval use case (Ilya Volodin)
+* fixes #372: disallow negated left operand in `in` operator (Michael Ficarra)
+* Fixing no-self-compare rule to check for operator (Ilya Volodin)
+* bug: open parens in args causes no-spaced-func to trigger (Matthew DuVall)
+* fixes #369: restrict UnaryExpressions to delete in no-unused-expressions (Michael Ficarra)
+* Make sure delete operator isn't flagged as unused expression (fixes #364) (Nicholas C. Zakas)
+* Don't flag ++ or -- as unused expressions (fixes #366) (Nicholas C. Zakas)
+* Ensure that 'use strict' isn't flagged as an unused expression (fixes #361) (Nicholas C. Zakas)
+* Increase test coverage for strict-related rules (refs #361) (Nicholas C. Zakas)
+* Up code coverage numbers (Nicholas C. Zakas)
+* Fixes error in new-cap rule when 'new' is used without a constructor (fixes #360) (Nicholas C. Zakas)
+* added files array in package json (Christian)
+* removed unused jshint dependency (Christian)
+* Add test coverage for new Foo constructor usage (Matt DuVall)
+* Pull code coverage up by removing unused method (Matt DuVall)
+* recognise CallExpression variant of RegExp ctor in no-control-regex rule (Michael Ficarra)
+* Merge smart-eqeqeq into eqeqeq (Matt DuVall)
+* Catch additional cases for a.b, new F, iife (Matt DuVall)
+* 0.2.0-dev (Nicholas C. Zakas)
+* Version 0.1.0 (Nicholas C. Zakas)
+* rule: no-spaced-func disallow spaces between function identifier and application (Matt DuVall)
+
+v0.1.1 - November 09, 2013
+
+* Ensure mergeConfigs() doesn't thrown an error when keys are missing in base config (fixes #358) (Nicholas C. Zakas)
+
+v0.1.0 - November 03, 2013
+
+* Version 0.1.0 (Nicholas C. Zakas)
+* Updated Readme for v0.1.0 (Nicholas C. Zakas)
+* Bump code coverage verification to 95% across the board (Nicholas C. Zakas)
+* Fixed broken links (Nicholas C. Zakas)
+* Added information about runtime rules (Nicholas C. Zakas)
+* Added documentation about configuration files (Nicholas C. Zakas)
+* Added description of -v option (Nicholas C. Zakas)
+* Updated architecture documentation (Nicholas C. Zakas)
+* Fix bug in no-control-regex (fixes #347) (Nicholas C. Zakas)
+* Fix link to architecture doc in readme (azu)
+* Rule: No control characters in regular expressions (fixes #338) (Nicholas C. Zakas)
+* Add escaping \= test (Matt DuVall)
+* Add docs for rule (Matt DuVall)
+* rule: no-div-regex for catching ambiguous division operators in regexes (Matt DuVall)
+* Change context-var to block-scoped-var (Matt DuVall)
+* Implement config.globals (Oleg Grenrus)
+* Add 'config-declared global' test (Oleg Grenrus)
+* Adding ability to separate rules with comma (Ilya Volodin)
+* Added rule for missing 'use strict' (fixes #321) (Nicholas C. Zakas)
+* Fixing unittests and finishing code (Ilya Volodin)
+* Disabling/enabling rules through comments (Ilya Volodin)
+* Rename rule to context-var and add documentation (Matt DuVall)
+* Added link to no-global-strict doc in readme (Nicholas C. Zakas)
+* Add try-catch scoping with tests (Matt DuVall)
+* Fix linting error (Matt DuVall)
+* Store FunctionDeclarations in scope as they can be used as literals (Matt DuVall)
+* Fix to use getTokens and add test for MemberExpression usage (Matt DuVall)
+* rule: block-scope-var to check for variables declared in block-scope (Matt DuVall)
+* no-unused-expressions rule: add test and doc mention for `a && b()` (Michael Ficarra)
+* rule: wrap-regex for parens around regular expression literals (Matt DuVall)
+* fixes #308: implement no-unused-expressions rule; ref. jshint rule W030 (Michael Ficarra)
+* Updated change log script to filter out merge messages (Nicholas C. Zakas)
+* Updated changelog (Nicholas C. Zakas)
+* 0.1.0-dev (Nicholas C. Zakas)
+
+v0.0.9 - October 5, 2013
+
+* Version 0.0.9 release (Nicholas C. Zakas)
+* Added rule for no global strict mode (fixes #322) (Nicholas C. Zakas)
+* Change default on to be errors instead of warnings (fixes #326) (Nicholas C. Zakas)
+* Fixed bug where JSHint was using the wrong file in lint task (Nicholas C. Zakas)
+* Updated docs for no-unused vars rule. (Andrew de Andrade)
+* Removed console.log in tests. (Andrew de Andrade)
+* Added link to roadmap and JSHint feature parity list. (Andrew de Andrade)
+* Fixed warning when unused var declared as param in FunctionExpression/Declaration can be ignored because later param is used (Andrew de Andrade)
+* Rename test for smartereqeqeq.js to smarter-eqeqeq.js (Andrew de Andrade)
+* Keep test filename inline with rule name (Andrew de Andrade)
+* Added further instructions for multiline test cases. (Andrew de Andrade)
+* Protecting private method (Seth McLaughlin)
+* Updating look up algorithm for local config files (Seth McLaughlin)
+* Fixing ESLint errors (Ilya Volodin)
+* Implemented local default config file (Seth McLaughlin)
+* Upgrading escope version and fixing related bugs (Ilya Volodin)
+* Fixing assignment during initialization issue (Ilya Volodin)
+* add plain-English regexp description to no-empty-class rule (Michael Ficarra)
+* fixes #289: no-empty-class flags regexps with... flags (Michael Ficarra)
+* Rule: no-catch-shadow (Ian Christian Myers)
+* Update no-empty for compatibility with esprima@1.0.4 (fixes #290) (Mark Macdonald)
+* Fixing bug with _ in MemberExpression (Ilya Volodin)
+* Rule: no-func-assign (Ian Christian Myers)
+* Fix false warning from no-undef rule (fixes #283) (Mark Macdonald)
+* Adding eslint to jake (Ilya Volodin)
+* Rule no redeclare (Ilya Volodin)
+* Fixing no use before define issues (Ilya Volodin)
+* Rule: no-octal-escape (Ian Christian Myers)
+* Fix for `no-proto` and `no-iterator` false positive (Ian Christian Myers)
+* Rule: no-iterator (Ian Christian Myers)
+* Fixing type in guard-for-in documentation (Ilya Volodin)
+* Rule No use before define (Ilya Volodin)
+* Added documentation for the `no-new` rule (Ian Christian Myers)
+* Added documentation for the `no-eval` rule (Ian Christian Myers)
+* Added documentation for the `no-caller` rule (Ian Christian Myers)
+* Added documentation for the `no-bitwise` rule (Ian Christian Myers)
+* simplify no-empty-class rule (Michael Ficarra)
+* Fix `no-empty-class` false negatives (Ian Christian Myers)
+* Added documentation for the `no-alert` rule (Ian Christian Myers)
+* Added documentation for the `new-parens` rule (Ian Christian Myers)
+* Added documentation for the `max-params` rule (Ian Christian Myers)
+* Added documentation for `max-len` rule (Ian Christian Myers)
+* Created link from rules README.md to no-plusplus.md documentation (Ian Christian Myers)
+* Added documentation for `guard-for-in` rule (Ian Christian Myers)
+* Added documentation for `dot-notation` rule (Ian Christian Myers)
+* Added documentation for `curly` rule (Ian Christian Myers)
+* Updated `camelcase` rule documentation (Ian Christian Myers)
+* Added documentation for `complexity` rule (Ian Christian Myers)
+* Changed `no-dangle` documentation to `no-comma-dangle` (Ian Christian Myers)
+* Rule: no-empty-class (Ian Christian Myers)
+* Increased test coverage for max-depth (Ian Christian Myers)
+* Increased test coverage for no-shadow (Ian Christian Myers)
+* Increased test coverage on no-mixed-requires (Ian Christian Myers)
+* Added docs for eqeqeq and no-with (fixes #262) (Raphael Pigulla)
+* Create camelcase.md (Micah Eschbacher)
+* Fix issues with function in no-unused-vars (Ilya Volodin)
+* Rule: No shadow (Ilya Volodin)
+* fixes #252: semi rule errors on VariableDeclarations in ForInStatements (Michael Ficarra)
+* rule: max-len to lint maximum length of a line (Matt DuVall)
+* Fixes #249 (Raphael Pigulla)
+* Merge branch 'master' of https://github.com/beardtwizzle/eslint (Jonathan Mahoney)
+* Re-add lines that were accidentally deleted from config (Jonathan Mahoney)
+* Add support for pre-defined environment globals (re: #228) (Jonathan Mahoney)
+* Rule: no-else-return (Ian Christian Myers)
+* Re-add lines that were accidentally deleted from config (Jonathan Mahoney)
+* Add support for pre-defined environment globals (re: #228) (Jonathan Mahoney)
+* Fix no-unused-vars to report correct line numbers (Ilya Volodin)
+* Rule: no proto (Ilya Volodin)
+* Rule: No Script URL (Ilya Volodin)
+* Rule: max-depth (Ian Christian Myers)
+* Fix: Error severity for rules with options. (Ian Christian Myers)
+* Rule: No wrap func (Ilya Volodin)
+* bug: Fixes semi rule for VariableDeclaration in ForStatement (Matt DuVall)
+* Individual perf tests for rules (Ilya Volodin)
+* Fix loading rules from a rules directory (Ian Christian Myers)
+* Rule no-mixed-requires (fixes #221) (Raphael Pigulla)
+* bug: Add ForStatement for no-cond-assign check (Matthew DuVall)
+* JSLint XML formatter now escapes special characters in the evidence and reason attributes. (Ian Christian Myers)
+* Formatter: JSLint XML (Ian Christian Myers)
+* Refactored `max-statements` rule. (Ian Christian Myers)
+* Fix tests broken due to new rule message text (James Allardice)
+* Merge branch 'master' into match-jshint-messages (James Allardice)
+* Refactored `one-var` rule. (Ian Christian Myers)
+* split eslint.define into eslint.defineRule and eslint.defineRules (Michael Ficarra)
+* Removed unnecessary rules.js test. (Ian Christian Myers)
+* Rule: one-var (Ian Christian Myers)
+* Rule: No unused variables (Ilya Volodin)
+* expose interface for defining new rules at runtime without fs access (Michael Ficarra)
+* disallow 00 in no-octal rule (Michael Ficarra)
+* Increased test coverage for `lib/cli.js`. (Ian Christian Myers)
+* Increased test coverage for `lib/rules.js` (Ian Christian Myers)
+* Increased test coverage for jUnit formatter. (Ian Christian Myers)
+* scripts/bundle: output bundle+map to /build directory (Michael Ficarra)
+* add test for 0X... hex literals in no-octal tests (Michael Ficarra)
+* fixes #200: no-octals should not see leading-0 floats as violations (Michael Ficarra)
+* add back tests for loading rules from a directory (Michael Ficarra)
+* add back in ability to load rules from a directory (Michael Ficarra)
+* Increased test coverage for `complexity` rule. (Ian Christian Myers)
+* Increased test coverage for `max-params` rule. (Ian Christian Myers)
+* also output source map when generating bundle (Michael Ficarra)
+* Rule: unnecessary-strict (Ian Christian Myers)
+* Improve performance of getTokens (Ilya Volodin)
+* Performance jake task (Ilya Volodin)
+* don't force explicit listing of rules; generate listing for bundle (Michael Ficarra)
+* Rule: no-dupe-keys (Ian Christian Myers)
+* fixes #145: create a browser bundle (Michael Ficarra)
+* Fixing no-caller bug (Ilya Volodin)
+* Check for use of underscore library as an exception for var declarations (Matthew DuVall)
+* Merge branch 'master' of https://github.com/nzakas/eslint into no-underscore-dangle (Matthew DuVall)
+* Fixing spelling (Ilya Volodin)
+* Rule: no-empty-label (Ilya Volodin)
+* Add builtin globals to the global scope (fixes #185) (Mark Macdonald)
+* Rule: no-loop-func (Ilya Volodin)
+* Merge branch 'master' of https://github.com/nzakas/eslint into no-underscore-dangle (Matt DuVall)
+* Use proper node declarations and __proto__ exception (Matt DuVall)
+* Updating no-undef patch (see pull request #164) - Simplify parseBoolean() - Make knowledge of```/*jshint*/``` and ```/*global */``` internal to eslint object - Put user-declared globals in Program scope (Mark Macdonald)
+* Rule: no-eq-null (Ian Christian Myers)
+* fixed broken merge (Raphael Pigulla)
+* fixes #143 (Raphael Pigulla)
+* added consistent-this rule (Raphael Pigulla)
+* Rule: no-sync to encourage async usage (Matt DuVall)
+* Update eslint.json with no-underscore-dangle rule (Matt DuVall)
+* Rule: no-underscore-dangle for func/var declarations (Matt DuVall)
+* Warn on finding the bitwise NOT operator (James Allardice)
+* Updating no-undef patch (see pull request #164) 3. Move parsing of ```/*global */``` and ```/*jshint */``` to eslint.js (Mark Macdonald)
+* Warn on finding a bitwise shift operator (fixes #170) (James Allardice)
+* Fix broken test (James Allardice)
+* Add support for the do-while statement to the curly rule (closes #167) (James Allardice)
+* Removing nasty leading underscores (Patrick Brosset)
+* Added tests and test cases for a few files (Patrick Brosset)
+* CLI: -f now accepts a file path (Ian Christian Myers)
+* Updating no-undef patch (see pull request #164) 1. Move predefined globals to ```conf/environments.json``` 2. Move mixin() to ```lib/util.js``` (Mark Macdonald)
+* Match messages to JS[LH]int where appropriate, and ensure consistent message formatting (closes #163) (James Allardice)
+* Add support for the do-while statement to the curly rule (closes #167) (James Allardice)
+* Removing nasty leading underscores (Patrick Brosset)
+* Added tests and test cases for a few files (Patrick Brosset)
+* Merge branch 'master' of github.com:nzakas/jscheck (Nicholas C. Zakas)
+* Added acceptance criteria for rules to docs (Nicholas C. Zakas)
+* Add no-undef (fixes #6) (Mark Macdonald)
+* Fixing no-self-compare (Ilya Volodin)
+* Rule: No multiline strings (Ilya Volodin)
+* CLI refactor to remove process.exit(), file not found now a regular error message, updated formatters to handle this case (Nicholas C. Zakas)
+* Rule: no-self-compare (Ilya Volodin)
+* Rule: No unnecessary semicolons (fixes #158) (Nicholas C. Zakas)
+* Fixed error in no-ex-assign when return statement as found in catch clause (Nicholas C. Zakas)
+* Rename no-exc-assign to no-ex-assign and add to config (Nicholas C. Zakas)
+* Renamed count-spaces to regex-spaces (Nicholas C. Zakas)
+* Documentation updates (Nicholas C. Zakas)
+* Put all rules into strict mode and update docs accordingly (Nicholas C. Zakas)
+* Merge branch 'master' of github.com:nzakas/jscheck (Nicholas C. Zakas)
+* Ensure getScope() works properly when called from Program node (fixes #148) (Nicholas C. Zakas)
+* Rule: wrap-iife (Ilya Volodin)
+* add additional test for no-cond-assign rule (Stephen Murray)
+* Merge branch 'master' of github.com:nzakas/jscheck (Nicholas C. Zakas)
+* Experimental support for Jake as a build system (fixes #151) (Nicholas C. Zakas)
+* fixes #152 (Stephen Murray)
+* add docs for no-exc-assign (Stephen Murray)
+* Merge branch 'master' of https://github.com/nzakas/eslint into no-new-object-array-literals (Matt DuVall)
+* Merge branch 'master' of https://github.com/nzakas/eslint into count-spaces (Matt DuVall)
+* Added a test for getting global scope from Program node (refs #148) (Nicholas C. Zakas)
+* Add positive test case for `object.Array` (Matthew DuVall)
+* Only support space characters for repetitions (Matthew DuVall)
+* fix line length per code conventions (Stephen Murray)
+* fix indentation per code conventions (Stephen Murray)
+* fixes #149 (Stephen Murray)
+* Rule: no-ternary (Ian Christian Myers)
+* Check that the return statement has an argument before checking its type (James Allardice)
+* Rule: count-spaces for multiple spaces in regular expressions (Matt DuVall)
+* Update eslint.json configuration file for literal rules (Matt DuVall)
+* Created no-label-var rule. (Ian Christian Myers)
+* Rule: no-new-array and no-new-object (Matt DuVall)
+* Added ability to retrieve scope using escope. (Ian Christian Myers)
+* Corrected unused arguments (Patrick Brosset)
+* Reporting function complexity on function:after and using array push/pop to handle nesting (Patrick Brosset)
+* Fixing style issues discovered while npm testing (Patrick Brosset)
+* First draft proposal for a cyclomatic complexity ESLint rule (Patrick Brosset)
+* Corrected file extension on no-plusplus rule documentation. (Ian Christian Myers)
+* Documentation for no-delete-var rule. Closes #129 (Ilya Volodin)
+* Rule: max-statements (Ian Christian Myers)
+* Better documentation for the `no-plusplus` rule. (Ian Christian Myers)
+* Rule: no-plusplus (Ian Christian Myers)
+* Rule: no assignment in return statement (Ilya Volodin)
+* Updating max-params rule name (Ilya Volodin)
+* Rule: Function has too many parameters (Ilya Volodin)
+* Removing merge originals (Ilya Volodin)
+* Rebasing on master (Ilya Volodin)
+* Rule: Variables should not be deleted (Ilya Volodin)
+* Fixes incorrect reporting of missing semicolon (Ian Christian Myers)
+* Rebase against master branch (Mathias Bynens)
+* Rule to warn on use of Math and JSON as functions (James Allardice)
+* Formatter: Checkstyle (Ian Christian Myers)
+* docs: Clean up structure (Mathias Bynens)
+* Merging no-native-reassign and no-redefine (Ilya Volodin)
+* Rule: no native reassignment (Ilya Volodin)
+* 0.0.8-dev (Nicholas C. Zakas)
+* v0.0.7 released (Nicholas C. Zakas)
+* Updated Tests, etc. (Jamund Ferguson)
+* Added jUnit Support (Fixes #16) (Jamund Ferguson)
+
+v0.0.7 - July 22, 2013
+
+* 0.0.7 (Nicholas C. Zakas)
+* Add code coverage checks to npm test and update rule tests to have better coverage (Nicholas C. Zakas)
+* Fixed CLI output on serial programatic executions (Ian Christian Myers)
+* Removes line length from code style convention docs (Josh Perez)
+* Adds escapeRegExp and fixes documentation (Josh Perez)
+* Add quotes rule and test coverage for configuration options (Matt DuVall)
+* Adds templating for lint messages and refactors rules to use it (Josh Perez)
+* Fixes lint rules for unchecked test file (Josh Perez)
+* Changes dotnotation rule to match JSHint style (Josh Perez)
+* Change configInfo to options and add test coverage (Matt DuVall)
+* Merge branch 'master' of https://github.com/nzakas/eslint into optional-args-for-rule (Matt DuVall)
+* Adds dot notation lint rule (Josh Perez)
+* Strip trailing underscores in camelcase rule - Fixes #94 (Patrick Brosset)
+* add mailing list link (Douglas Campos)
+* Strip leading underscores in camelcase rule - Fixes #94 (Patrick Brosset)
+* Created no-dangle rule. (Ian Christian Myers)
+* Fixed rule name (James Allardice)
+* Make sure the callee type is Identifier (James Allardice)
+* Add rule for implied eval via setTimeout/Interval (James Allardice)
+* Fix rule name in config (James Allardice)
+* Fixes #90 -- updates docstrings (Stephen Murray)
+* Fixes issue with fs.existsSync on NodeJS 0.6 (Ian Christian Myers)
+* Fixing -c config option. (Ian Christian Myers)
+* Allow arrays to be passed as multiple args to rule (Matt DuVall)
+* Test to make sure empty case with one line break is safe (Matt DuVall)
+* Rule: The Function constructor is eval (Ilya Volodin)
+* Enabled require("eslint") and exposed out CLI. (Ian Christian Myers)
+* Adds test and fix for issue #82 (Mark Macdonald)
+* Merge branch 'master' of https://github.com/nzakas/eslint into ok (Yusuke Suzuki)
+* Created brace-style rule. (Ian Christian Myers)
+* Formatters can now process multiple files at once (Jamund Ferguson)
+* Rule: Do not use 'new' for side effects (Ilya Volodin)
+* Adds smarter-eqeqeq rule (Josh Perez)
+* Add EditorConfig file for consistent editor/IDE behavior (Jed Hunsaker)
+* Fix the positive case for no-unreachable where there is no return statement at all, or if the return is at the end. Those cases should not return any errors. The error condition was not be checked before throwing the rule error. (Joel Feenstra)
+* Adds test and fix for no-octal on 0 literal (Mark Macdonald)
+* Don't report no-empty warnings when a parent is FunctionExpression / FunctionDeclaration (Yusuke Suzuki)
+* Add api.getAncestors (Yusuke Suzuki)
+* Ensure estraverse version 1.2.0 or later (Yusuke Suzuki)
+* Fixes no-alert lint rule for non identifier calls (Josh Perez)
+* Fixes exception when init is null (Josh Perez)
+* Fixes no-octal check to only check for numbers (Josh Perez)
+* 0.0.7-dev (Nicholas C. Zakas)
+* 0.0.6 (Nicholas C. Zakas)
+* Follow the rule naming conventions (James Allardice)
+* Add rule for missing radix argument to parseInt (James Allardice)
+* Allow return, falls-through comment, and throw for falls-through (Matt DuVall)
+* Merge branch 'master' of https://github.com/nzakas/eslint into rule-fall-through (Matt DuVall)
+* Globals are not good, declare len (Matt DuVall)
+* Rule to add no-fall-through (Matt DuVall)
+
+v0.0.6 - July 16, 2013
+
+* 0.0.6 (Nicholas C. Zakas)
+* Changed semi rule to use tokens instead of source (Nicholas C. Zakas)
+* Renaming new-parens rule (Ilya Volodin)
+* Renaming no-new-wrappers rule and adding tests (Ilya Volodin)
+* Add license URL (Nick Schonning)
+* Remove unused sinon requires (Nick Schonning)
+* Remove redundant JSHint directives (Nick Schonning)
+* Rule: Do not use constructor for wrapper objects (Ilya Volodin)
+* Test node 0.11 unstable but allow it to fail (Nick Schonning)
+* Rule: Constructor should use parentheses (Ilya Volodin)
+* Fix reference to "CSS Lint" in Contributing documentation (Brian McKenna)
+* Add git attributes file for line endings (Andy Hu)
+* Rename to create an 'index' file in GH web view (Evan Goer)
+* Avoid accidentally creating a markdown link (Evan Goer)
+* Add headings and correct internal links (Evan Goer)
+* Add wiki files to docs directory (Evan Goer)
+* Add rules for leading/trailing decimal points (James Allardice)
+* Add rule to prevent comparisons with value NaN (James Allardice)
+* Fixing jshint error (Ilya Volodin)
+* Rule: no octal literals (Ilya Volodin)
+* Rule: no undefined when initializing variables (Ilya Volodin)
+* Updated CONTRIBUTING.md (Nicholas C. Zakas)
+* Make sure namespaces are honored in new-cap (Nicholas C. Zakas)
+* Make sure no-empty also checks for ';;' (Nicholas C. Zakas)
+* Add CLI option to output version (Nicholas C. Zakas)
+* Updated contribution guidelines (Nicholas C. Zakas)
+* Fixing jshint complaints. (Joel Feenstra)
+* Converting to a switch statement and declaring variables. (Joel Feenstra)
+* Added .jshintrc file (until ESLint can lint itself) and cleaned up JSHint warnings (Nicholas C. Zakas)
+* Merge branch 'master' of github.com:nzakas/jscheck (Nicholas C. Zakas)
+* A bit of cleanup (Nicholas C. Zakas)
+* Add unreachable code detection for switch cases and after continue/break. (Joel Feenstra)
+* Add support for detecting unreachable code after a throw or return statement. (Joel Feenstra)
+* Fix curly brace check when an if statement is the alternate. (Joel Feenstra)
+* Check for empty switch statements with no cases. (Matt DuVall)
+* Added CONTRIBUTING.md (Nicholas C. Zakas)
+* Added rule to check for missing semicolons (fixes #9) (Nicholas C. Zakas)
+* Verify that file paths exist before reading the file (Matt DuVall)
+* Added guard-for-in rule (fixes #1) (Nicholas C. Zakas)
+* Run linting with npm test as well (Nicholas C. Zakas)
+* Removed foo.txt (Nicholas C. Zakas)
+* Updated config file with new no-caller ID (Nicholas C. Zakas)
+* Changed name of no-arg to no-caller (Nicholas C. Zakas)
+* Increased test coverage (Nicholas C. Zakas)
+* Got npm test to work with istanbul, huzzah\! (Nicholas C. Zakas)
+* Moved /config to /conf (Nicholas C. Zakas)
+* Added script to auto-generate changelog (Nicholas C. Zakas)
+* Add `quote-props` rule (Mathias Bynens)
+* Cleaned up relationship between bin/eslint, lib/cli.js, and lib/eslint.js (Nicholas C. Zakas)
+* Add problem count to compact formatter (Nicholas C. Zakas)
+* Fix merge conflict (Nicholas C. Zakas)
+* Change reporters to formatters, add format command line option. Also added tests for compact format. (Nicholas C. Zakas)
+* Change reporters to formatters, add format command line option (Nicholas C. Zakas)
+* Start development of 0.0.6-dev (Nicholas C. Zakas)
diff --git a/eslint/CODE_OF_CONDUCT.md b/eslint/CODE_OF_CONDUCT.md
new file mode 100644
index 0000000..2fc80dd
--- /dev/null
+++ b/eslint/CODE_OF_CONDUCT.md
@@ -0,0 +1 @@
+This project adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
diff --git a/eslint/CONTRIBUTING.md b/eslint/CONTRIBUTING.md
new file mode 100644
index 0000000..d0db77c
--- /dev/null
+++ b/eslint/CONTRIBUTING.md
@@ -0,0 +1,27 @@
+# Contributing
+
+Please be sure to read the contribution guidelines before making or requesting a change.
+
+## Code of Conduct
+
+This project adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct). We kindly request that you read over our code of conduct before contributing.
+
+## Filing Issues
+
+Before filing an issue, please be sure to read the guidelines for what you're reporting:
+
+* [Bug Report](https://eslint.org/docs/developer-guide/contributing/reporting-bugs)
+* [Propose a New Rule](https://eslint.org/docs/developer-guide/contributing/new-rules)
+* [Proposing a Rule Change](https://eslint.org/docs/developer-guide/contributing/rule-changes)
+* [Request a Change](https://eslint.org/docs/developer-guide/contributing/changes)
+
+To report a security vulnerability in ESLint, please use our [HackerOne program](https://hackerone.com/eslint).
+
+## Contributing Code
+
+Please sign our [Contributor License Agreement](https://cla.js.foundation/eslint/eslint) and read over the [Pull Request Guidelines](https://eslint.org/docs/developer-guide/contributing/pull-requests).
+
+## Full Documentation
+
+Our full contribution guidelines can be found at:
+https://eslint.org/docs/developer-guide/contributing/
diff --git a/eslint/LICENSE b/eslint/LICENSE
new file mode 100644
index 0000000..7fe552a
--- /dev/null
+++ b/eslint/LICENSE
@@ -0,0 +1,19 @@
+Copyright JS Foundation and other contributors, https://js.foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/eslint/Makefile.js b/eslint/Makefile.js
new file mode 100644
index 0000000..a574f25
--- /dev/null
+++ b/eslint/Makefile.js
@@ -0,0 +1,1092 @@
+/**
+ * @fileoverview Build file
+ * @author nzakas
+ */
+
+/* global target */
+/* eslint no-use-before-define: "off", no-console: "off" */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+require("shelljs/make");
+
+const lodash = require("lodash"),
+    checker = require("npm-license"),
+    ReleaseOps = require("eslint-release"),
+    dateformat = require("dateformat"),
+    fs = require("fs"),
+    glob = require("glob"),
+    markdownlint = require("markdownlint"),
+    os = require("os"),
+    path = require("path"),
+    semver = require("semver"),
+    ejs = require("ejs"),
+    loadPerf = require("load-perf"),
+    yaml = require("js-yaml"),
+    { CLIEngine } = require("./lib/cli-engine"),
+    builtinRules = require("./lib/rules/index");
+
+const { cat, cd, cp, echo, exec, exit, find, ls, mkdir, pwd, rm, test } = require("shelljs");
+
+//------------------------------------------------------------------------------
+// Settings
+//------------------------------------------------------------------------------
+
+/*
+ * A little bit fuzzy. My computer has a first CPU speed of 3392 and the perf test
+ * always completes in < 3800ms. However, Travis is less predictable due to
+ * multiple different VM types. So I'm fudging this for now in the hopes that it
+ * at least provides some sort of useful signal.
+ */
+const PERF_MULTIPLIER = 13e6;
+
+const OPEN_SOURCE_LICENSES = [
+    /MIT/u, /BSD/u, /Apache/u, /ISC/u, /WTF/u, /Public Domain/u, /LGPL/u
+];
+
+//------------------------------------------------------------------------------
+// Data
+//------------------------------------------------------------------------------
+
+const NODE = "node ", // intentional extra space
+    NODE_MODULES = "./node_modules/",
+    TEMP_DIR = "./tmp/",
+    DEBUG_DIR = "./debug/",
+    BUILD_DIR = "build",
+    DOCS_DIR = "../website/docs",
+    SITE_DIR = "../website/",
+    PERF_TMP_DIR = path.join(TEMP_DIR, "eslint", "performance"),
+
+    // Utilities - intentional extra space at the end of each string
+    MOCHA = `${NODE_MODULES}mocha/bin/_mocha `,
+    ESLINT = `${NODE} bin/eslint.js --report-unused-disable-directives `,
+
+    // Files
+    RULE_FILES = glob.sync("lib/rules/*.js").filter(filePath => path.basename(filePath) !== "index.js"),
+    JSON_FILES = find("conf/").filter(fileType("json")),
+    MARKDOWN_FILES_ARRAY = find("docs/").concat(ls(".")).filter(fileType("md")),
+    TEST_FILES = "\"tests/{bin,lib,tools}/**/*.js\"",
+    PERF_ESLINTRC = path.join(PERF_TMP_DIR, "eslintrc.yml"),
+    PERF_MULTIFILES_TARGET_DIR = path.join(PERF_TMP_DIR, "eslint"),
+    PERF_MULTIFILES_TARGETS = `"${PERF_MULTIFILES_TARGET_DIR + path.sep}{lib,tests${path.sep}lib}${path.sep}**${path.sep}*.js"`,
+
+    // Settings
+    MOCHA_TIMEOUT = 10000;
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Simple JSON file validation that relies on ES JSON parser.
+ * @param {string} filePath Path to JSON.
+ * @throws Error If file contents is invalid JSON.
+ * @returns {undefined}
+ */
+function validateJsonFile(filePath) {
+    const contents = fs.readFileSync(filePath, "utf8");
+
+    JSON.parse(contents);
+}
+
+/**
+ * Generates a function that matches files with a particular extension.
+ * @param {string} extension The file extension (i.e. "js")
+ * @returns {Function} The function to pass into a filter method.
+ * @private
+ */
+function fileType(extension) {
+    return function(filename) {
+        return filename.slice(filename.lastIndexOf(".") + 1) === extension;
+    };
+}
+
+/**
+ * Executes a command and returns the output instead of printing it to stdout.
+ * @param {string} cmd The command string to execute.
+ * @returns {string} The result of the executed command.
+ */
+function execSilent(cmd) {
+    return exec(cmd, { silent: true }).stdout;
+}
+
+/**
+ * Generates a release blog post for eslint.org
+ * @param {Object} releaseInfo The release metadata.
+ * @param {string} [prereleaseMajorVersion] If this is a prerelease, the next major version after this prerelease
+ * @returns {void}
+ * @private
+ */
+function generateBlogPost(releaseInfo, prereleaseMajorVersion) {
+    const ruleList = RULE_FILES
+
+        // Strip the .js extension
+        .map(ruleFileName => path.basename(ruleFileName, ".js"))
+
+        /*
+         * Sort by length descending. This ensures that rule names which are substrings of other rule names are not
+         * matched incorrectly. For example, the string "no-undefined" should get matched with the `no-undefined` rule,
+         * instead of getting matched with the `no-undef` rule followed by the string "ined".
+         */
+        .sort((ruleA, ruleB) => ruleB.length - ruleA.length);
+
+    const renderContext = Object.assign({ prereleaseMajorVersion, ruleList }, releaseInfo);
+
+    const output = ejs.render(cat("./templates/blogpost.md.ejs"), renderContext),
+        now = new Date(),
+        month = now.getMonth() + 1,
+        day = now.getDate(),
+        filename = `../website/_posts/${now.getFullYear()}-${
+            month < 10 ? `0${month}` : month}-${
+            day < 10 ? `0${day}` : day}-eslint-v${
+            releaseInfo.version}-released.md`;
+
+    output.to(filename);
+}
+
+/**
+ * Generates a doc page with formatter result examples
+ * @param  {Object} formatterInfo Linting results from each formatter
+ * @param  {string} [prereleaseVersion] The version used for a prerelease. This
+ *      changes where the output is stored.
+ * @returns {void}
+ */
+function generateFormatterExamples(formatterInfo, prereleaseVersion) {
+    const output = ejs.render(cat("./templates/formatter-examples.md.ejs"), formatterInfo);
+    let filename = "../website/docs/user-guide/formatters/index.md",
+        htmlFilename = "../website/docs/user-guide/formatters/html-formatter-example.html";
+
+    if (prereleaseVersion) {
+        filename = filename.replace("/docs", `/docs/${prereleaseVersion}`);
+        htmlFilename = htmlFilename.replace("/docs", `/docs/${prereleaseVersion}`);
+        if (!test("-d", path.dirname(filename))) {
+            mkdir(path.dirname(filename));
+        }
+    }
+
+    output.to(filename);
+    formatterInfo.formatterResults.html.result.to(htmlFilename);
+}
+
+/**
+ * Generate a doc page that lists all of the rules and links to them
+ * @returns {void}
+ */
+function generateRuleIndexPage() {
+    const outputFile = "../website/_data/rules.yml",
+        categoryList = "conf/category-list.json",
+        categoriesData = JSON.parse(cat(path.resolve(categoryList)));
+
+    RULE_FILES
+        .map(filename => [filename, path.basename(filename, ".js")])
+        .sort((a, b) => a[1].localeCompare(b[1]))
+        .forEach(pair => {
+            const filename = pair[0];
+            const basename = pair[1];
+            const rule = require(path.resolve(filename));
+
+            if (rule.meta.deprecated) {
+                categoriesData.deprecated.rules.push({
+                    name: basename,
+                    replacedBy: rule.meta.replacedBy || []
+                });
+            } else {
+                const output = {
+                        name: basename,
+                        description: rule.meta.docs.description,
+                        recommended: rule.meta.docs.recommended || false,
+                        fixable: !!rule.meta.fixable
+                    },
+                    category = lodash.find(categoriesData.categories, { name: rule.meta.docs.category });
+
+                if (!category.rules) {
+                    category.rules = [];
+                }
+
+                category.rules.push(output);
+            }
+        });
+
+    const output = yaml.safeDump(categoriesData, { sortKeys: true });
+
+    output.to(outputFile);
+}
+
+/**
+ * Creates a git commit and tag in an adjacent `website` repository, without pushing it to
+ * the remote. This assumes that the repository has already been modified somehow (e.g. by adding a blogpost).
+ * @param {string} [tag] The string to tag the commit with
+ * @returns {void}
+ */
+function commitSiteToGit(tag) {
+    const currentDir = pwd();
+
+    cd(SITE_DIR);
+    exec("git add -A .");
+    exec(`git commit -m "Autogenerated new docs and demo at ${dateformat(new Date())}"`);
+
+    if (tag) {
+        exec(`git tag ${tag}`);
+    }
+
+    exec("git fetch origin && git rebase origin/master");
+    cd(currentDir);
+}
+
+/**
+ * Publishes the changes in an adjacent `website` repository to the remote. The
+ * site should already have local commits (e.g. from running `commitSiteToGit`).
+ * @returns {void}
+ */
+function publishSite() {
+    const currentDir = pwd();
+
+    cd(SITE_DIR);
+    exec("git push origin master --tags");
+    cd(currentDir);
+}
+
+/**
+ * Updates the changelog, bumps the version number in package.json, creates a local git commit and tag,
+ * and generates the site in an adjacent `website` folder.
+ * @returns {void}
+ */
+function generateRelease() {
+    ReleaseOps.generateRelease();
+    const releaseInfo = JSON.parse(cat(".eslint-release-info.json"));
+
+    echo("Generating site");
+    target.gensite();
+    generateBlogPost(releaseInfo);
+    commitSiteToGit(`v${releaseInfo.version}`);
+}
+
+/**
+ * Updates the changelog, bumps the version number in package.json, creates a local git commit and tag,
+ * and generates the site in an adjacent `website` folder.
+ * @param {string} prereleaseId The prerelease identifier (alpha, beta, etc.)
+ * @returns {void}
+ */
+function generatePrerelease(prereleaseId) {
+    ReleaseOps.generateRelease(prereleaseId);
+    const releaseInfo = JSON.parse(cat(".eslint-release-info.json"));
+    const nextMajor = semver.inc(releaseInfo.version, "major");
+
+    echo("Generating site");
+
+    // always write docs into the next major directory (so 2.0.0-alpha.0 writes to 2.0.0)
+    target.gensite(nextMajor);
+
+    /*
+     * Premajor release should have identical "next major version".
+     * Preminor and prepatch release will not.
+     * 5.0.0-alpha.0 --> next major = 5, current major = 5
+     * 4.4.0-alpha.0 --> next major = 5, current major = 4
+     * 4.0.1-alpha.0 --> next major = 5, current major = 4
+     */
+    if (semver.major(releaseInfo.version) === semver.major(nextMajor)) {
+
+        /*
+         * This prerelease is for a major release (not preminor/prepatch).
+         * Blog post generation logic needs to be aware of this (as well as
+         * know what the next major version is actually supposed to be).
+         */
+        generateBlogPost(releaseInfo, nextMajor);
+    } else {
+        generateBlogPost(releaseInfo);
+    }
+
+    commitSiteToGit(`v${releaseInfo.version}`);
+}
+
+/**
+ * Publishes a generated release to npm and GitHub, and pushes changes to the adjacent `website` repo
+ * to remote repo.
+ * @returns {void}
+ */
+function publishRelease() {
+    ReleaseOps.publishRelease();
+    publishSite();
+}
+
+/**
+ * Splits a command result to separate lines.
+ * @param {string} result The command result string.
+ * @returns {Array} The separated lines.
+ */
+function splitCommandResultToLines(result) {
+    return result.trim().split("\n");
+}
+
+/**
+ * Gets the first commit sha of the given file.
+ * @param {string} filePath The file path which should be checked.
+ * @returns {string} The commit sha.
+ */
+function getFirstCommitOfFile(filePath) {
+    let commits = execSilent(`git rev-list HEAD -- ${filePath}`);
+
+    commits = splitCommandResultToLines(commits);
+    return commits[commits.length - 1].trim();
+}
+
+/**
+ * Gets the tag name where a given file was introduced first.
+ * @param {string} filePath The file path to check.
+ * @returns {string} The tag name.
+ */
+function getFirstVersionOfFile(filePath) {
+    const firstCommit = getFirstCommitOfFile(filePath);
+    let tags = execSilent(`git tag --contains ${firstCommit}`);
+
+    tags = splitCommandResultToLines(tags);
+    return tags.reduce((list, version) => {
+        const validatedVersion = semver.valid(version.trim());
+
+        if (validatedVersion) {
+            list.push(validatedVersion);
+        }
+        return list;
+    }, []).sort(semver.compare)[0];
+}
+
+/**
+ * Gets the commit that deleted a file.
+ * @param {string} filePath The path to the deleted file.
+ * @returns {string} The commit sha.
+ */
+function getCommitDeletingFile(filePath) {
+    const commits = execSilent(`git rev-list HEAD -- ${filePath}`);
+
+    return splitCommandResultToLines(commits)[0];
+}
+
+/**
+ * Gets the first version number where a given file is no longer present.
+ * @param {string} filePath The path to the deleted file.
+ * @returns {string} The version number.
+ */
+function getFirstVersionOfDeletion(filePath) {
+    const deletionCommit = getCommitDeletingFile(filePath),
+        tags = execSilent(`git tag --contains ${deletionCommit}`);
+
+    return splitCommandResultToLines(tags)
+        .map(version => semver.valid(version.trim()))
+        .filter(version => version)
+        .sort(semver.compare)[0];
+}
+
+/**
+ * Lints Markdown files.
+ * @param {Array} files Array of file names to lint.
+ * @returns {Object} exec-style exit code object.
+ * @private
+ */
+function lintMarkdown(files) {
+    const config = yaml.safeLoad(fs.readFileSync(path.join(__dirname, "./.markdownlint.yml"), "utf8")),
+        result = markdownlint.sync({
+            files,
+            config,
+            resultVersion: 1
+        }),
+        resultString = result.toString(),
+        returnCode = resultString ? 1 : 0;
+
+    if (resultString) {
+        console.error(resultString);
+    }
+    return { code: returnCode };
+}
+
+/**
+ * Gets linting results from every formatter, based on a hard-coded snippet and config
+ * @returns {Object} Output from each formatter
+ */
+function getFormatterResults() {
+    const stripAnsi = require("strip-ansi");
+
+    const formatterFiles = fs.readdirSync("./lib/cli-engine/formatters/"),
+        rules = {
+            "no-else-return": "warn",
+            indent: ["warn", 4],
+            "space-unary-ops": "error",
+            semi: ["warn", "always"],
+            "consistent-return": "error"
+        },
+        cli = new CLIEngine({
+            useEslintrc: false,
+            baseConfig: { extends: "eslint:recommended" },
+            rules
+        }),
+        codeString = [
+            "function addOne(i) {",
+            "    if (i != NaN) {",
+            "        return i ++",
+            "    } else {",
+            "      return",
+            "    }",
+            "};"
+        ].join("\n"),
+        rawMessages = cli.executeOnText(codeString, "fullOfProblems.js", true),
+        rulesMap = cli.getRules(),
+        rulesMeta = {};
+
+    Object.keys(rules).forEach(ruleId => {
+        rulesMeta[ruleId] = rulesMap.get(ruleId).meta;
+    });
+
+    return formatterFiles.reduce((data, filename) => {
+        const fileExt = path.extname(filename),
+            name = path.basename(filename, fileExt);
+
+        if (fileExt === ".js") {
+            const formattedOutput = cli.getFormatter(name)(
+                rawMessages.results,
+                { rulesMeta }
+            );
+
+            data.formatterResults[name] = {
+                result: stripAnsi(formattedOutput)
+            };
+        }
+        return data;
+    }, { formatterResults: {} });
+}
+
+/**
+ * Gets a path to an executable in node_modules/.bin
+ * @param {string} command The executable name
+ * @returns {string} The executable path
+ */
+function getBinFile(command) {
+    return path.join("node_modules", ".bin", command);
+}
+
+//------------------------------------------------------------------------------
+// Tasks
+//------------------------------------------------------------------------------
+
+target.all = function() {
+    target.test();
+};
+
+target.lint = function([fix = false] = []) {
+    let errors = 0,
+        lastReturn;
+
+    echo("Validating JavaScript files");
+    lastReturn = exec(`${ESLINT}${fix ? "--fix" : ""} .`);
+    if (lastReturn.code !== 0) {
+        errors++;
+    }
+
+    echo("Validating JSON Files");
+    lodash.forEach(JSON_FILES, validateJsonFile);
+
+    echo("Validating Markdown Files");
+    lastReturn = lintMarkdown(MARKDOWN_FILES_ARRAY);
+    if (lastReturn.code !== 0) {
+        errors++;
+    }
+
+    if (errors) {
+        exit(1);
+    }
+};
+
+target.fuzz = function({ amount = 1000, fuzzBrokenAutofixes = false } = {}) {
+    const fuzzerRunner = require("./tools/fuzzer-runner");
+    const fuzzResults = fuzzerRunner.run({ amount, fuzzBrokenAutofixes });
+
+    if (fuzzResults.length) {
+
+        const uniqueStackTraceCount = new Set(fuzzResults.map(result => result.error)).size;
+
+        echo(`The fuzzer reported ${fuzzResults.length} error${fuzzResults.length === 1 ? "" : "s"} with a total of ${uniqueStackTraceCount} unique stack trace${uniqueStackTraceCount === 1 ? "" : "s"}.`);
+
+        const formattedResults = JSON.stringify({ results: fuzzResults }, null, 4);
+
+        if (process.env.CI) {
+            echo("More details can be found below.");
+            echo(formattedResults);
+        } else {
+            if (!test("-d", DEBUG_DIR)) {
+                mkdir(DEBUG_DIR);
+            }
+
+            let fuzzLogPath;
+            let fileSuffix = 0;
+
+            // To avoid overwriting any existing fuzzer log files, append a numeric suffix to the end of the filename.
+            do {
+                fuzzLogPath = path.join(DEBUG_DIR, `fuzzer-log-${fileSuffix}.json`);
+                fileSuffix++;
+            } while (test("-f", fuzzLogPath));
+
+            formattedResults.to(fuzzLogPath);
+
+            // TODO: (not-an-aardvark) Create a better way to isolate and test individual fuzzer errors from the log file
+            echo(`More details can be found in ${fuzzLogPath}.`);
+        }
+
+        exit(1);
+    }
+};
+
+target.mocha = () => {
+    let errors = 0,
+        lastReturn;
+
+    echo("Running unit tests");
+
+    lastReturn = exec(`${getBinFile("nyc")} -- ${MOCHA} -R progress -t ${MOCHA_TIMEOUT} -c ${TEST_FILES}`);
+    if (lastReturn.code !== 0) {
+        errors++;
+    }
+
+    lastReturn = exec(`${getBinFile("nyc")} check-coverage --statement 99 --branch 98 --function 99 --lines 99`);
+    if (lastReturn.code !== 0) {
+        errors++;
+    }
+
+    if (errors) {
+        exit(1);
+    }
+};
+
+target.karma = () => {
+    echo("Running unit tests on browsers");
+
+    target.webpack("production");
+
+    const lastReturn = exec(`${getBinFile("karma")} start karma.conf.js`);
+
+    if (lastReturn.code !== 0) {
+        exit(1);
+    }
+};
+
+target.test = function() {
+    target.lint();
+    target.checkRuleFiles();
+    target.mocha();
+    target.karma();
+    target.fuzz({ amount: 150, fuzzBrokenAutofixes: false });
+    target.checkLicenses();
+};
+
+target.docs = function() {
+    echo("Generating documentation");
+    exec(`${getBinFile("jsdoc")} -d jsdoc lib`);
+    echo("Documentation has been output to /jsdoc");
+};
+
+target.gensite = function(prereleaseVersion) {
+    echo("Generating eslint.org");
+
+    let docFiles = [
+        "/rules/",
+        "/user-guide/",
+        "/maintainer-guide/",
+        "/developer-guide/",
+        "/about/"
+    ];
+
+    // append version
+    if (prereleaseVersion) {
+        docFiles = docFiles.map(docFile => `/${prereleaseVersion}${docFile}`);
+    }
+
+    // 1. create temp and build directory
+    echo("> Creating a temporary directory (Step 1)");
+    if (!test("-d", TEMP_DIR)) {
+        mkdir(TEMP_DIR);
+    }
+
+    // 2. remove old files from the site
+    echo("> Removing old files (Step 2)");
+    docFiles.forEach(filePath => {
+        const fullPath = path.join(DOCS_DIR, filePath),
+            htmlFullPath = fullPath.replace(".md", ".html");
+
+        if (test("-f", fullPath)) {
+
+            rm("-rf", fullPath);
+
+            if (filePath.indexOf(".md") >= 0 && test("-f", htmlFullPath)) {
+                rm("-rf", htmlFullPath);
+            }
+        }
+    });
+
+    // 3. Copy docs folder to a temporary directory
+    echo("> Copying the docs folder (Step 3)");
+    cp("-rf", "docs/*", TEMP_DIR);
+
+    let versions = test("-f", "./versions.json") ? JSON.parse(cat("./versions.json")) : {};
+
+    if (!versions.added) {
+        versions = {
+            added: versions,
+            removed: {}
+        };
+    }
+
+    const rules = require(".").linter.getRules();
+
+    const RECOMMENDED_TEXT = "\n\n(recommended) The `\"extends\": \"eslint:recommended\"` property in a configuration file enables this rule.";
+    const FIXABLE_TEXT = "\n\n(fixable) The `--fix` option on the [command line](../user-guide/command-line-interface#fixing-problems) can automatically fix some of the problems reported by this rule.";
+
+    // 4. Loop through all files in temporary directory
+    process.stdout.write("> Updating files (Steps 4-9): 0/... - ...\r");
+    const tempFiles = find(TEMP_DIR);
+    const length = tempFiles.length;
+
+    tempFiles.forEach((filename, i) => {
+        if (test("-f", filename) && path.extname(filename) === ".md") {
+
+            const rulesUrl = "https://github.com/eslint/eslint/tree/master/lib/rules/",
+                docsUrl = "https://github.com/eslint/eslint/tree/master/docs/rules/",
+                baseName = path.basename(filename),
+                sourceBaseName = `${path.basename(filename, ".md")}.js`,
+                sourcePath = path.join("lib/rules", sourceBaseName),
+                ruleName = path.basename(filename, ".md"),
+                filePath = path.join("docs", path.relative("tmp", filename));
+            let text = cat(filename),
+                ruleType = "",
+                title;
+
+            process.stdout.write(`> Updating files (Steps 4-9): ${i}/${length} - ${filePath + " ".repeat(30)}\r`);
+
+            // 5. Prepend page title and layout variables at the top of rules
+            if (path.dirname(filename).indexOf("rules") >= 0) {
+
+                // Find out if the rule requires a special docs portion (e.g. if it is recommended and/or fixable)
+                const rule = rules.get(ruleName);
+                const isRecommended = rule && rule.meta.docs.recommended;
+                const isFixable = rule && rule.meta.fixable;
+
+                // Incorporate the special portion into the documentation content
+                const textSplit = text.split("\n");
+                const ruleHeading = textSplit[0];
+                const ruleDocsContent = textSplit.slice(1).join("\n");
+
+                text = `${ruleHeading}${isRecommended ? RECOMMENDED_TEXT : ""}${isFixable ? FIXABLE_TEXT : ""}\n${ruleDocsContent}`;
+                title = `${ruleName} - Rules`;
+
+                if (rule && rule.meta) {
+                    ruleType = `rule_type: ${rule.meta.type}`;
+                }
+            } else {
+
+                // extract the title from the file itself
+                title = text.match(/#([^#].+)\n/u);
+                if (title) {
+                    title = title[1].trim();
+                } else {
+                    title = "Documentation";
+                }
+            }
+
+            text = [
+                "---",
+                `title: ${title}`,
+                "layout: doc",
+                `edit_link: https://github.com/eslint/eslint/edit/master/${filePath}`,
+                ruleType,
+                "---",
+                "<!-- Note: No pull requests accepted for this file. See README.md in the root directory for details. -->",
+                "",
+                text
+            ].join("\n");
+
+            // 6. Remove .md extension for relative links and change README to empty string
+            text = text.replace(/\((?!https?:\/\/)([^)]*?)\.md(.*?)\)/gu, "($1$2)").replace("README.html", "");
+
+            // 7. Check if there's a trailing white line at the end of the file, if there isn't one, add it
+            if (!/\n$/u.test(text)) {
+                text = `${text}\n`;
+            }
+
+            // 8. Append first version of ESLint rule was added at.
+            if (filename.indexOf("rules/") !== -1) {
+                if (!versions.added[baseName]) {
+                    versions.added[baseName] = getFirstVersionOfFile(sourcePath);
+                }
+                const added = versions.added[baseName];
+
+                if (!versions.removed[baseName] && !test("-f", sourcePath)) {
+                    versions.removed[baseName] = getFirstVersionOfDeletion(sourcePath);
+                }
+                const removed = versions.removed[baseName];
+
+                text += "\n## Version\n\n";
+                text += removed
+                    ? `This rule was introduced in ESLint ${added} and removed in ${removed}.\n`
+                    : `This rule was introduced in ESLint ${added}.\n`;
+
+                text += "\n## Resources\n\n";
+                if (!removed) {
+                    text += `* [Rule source](${rulesUrl}${sourceBaseName})\n`;
+                }
+                text += `* [Documentation source](${docsUrl}${baseName})\n`;
+            }
+
+            // 9. Update content of the file with changes
+            text.to(filename.replace("README.md", "index.md"));
+        }
+    });
+    JSON.stringify(versions).to("./versions.json");
+    echo(`> Updating files (Steps 4-9)${" ".repeat(50)}`);
+
+    // 10. Copy temporary directory to site's docs folder
+    echo("> Copying the temporary directory the site (Step 10)");
+    let outputDir = DOCS_DIR;
+
+    if (prereleaseVersion) {
+        outputDir += `/${prereleaseVersion}`;
+        if (!test("-d", outputDir)) {
+            mkdir(outputDir);
+        }
+    }
+    cp("-rf", `${TEMP_DIR}*`, outputDir);
+
+    // 11. Generate rule listing page
+    echo("> Generating the rule listing (Step 11)");
+    generateRuleIndexPage();
+
+    // 12. Delete temporary directory
+    echo("> Removing the temporary directory (Step 12)");
+    rm("-rf", TEMP_DIR);
+
+    // 13. Create Example Formatter Output Page
+    echo("> Creating the formatter examples (Step 14)");
+    generateFormatterExamples(getFormatterResults(), prereleaseVersion);
+
+    echo("Done generating eslint.org");
+};
+
+target.webpack = function(mode = "none") {
+    exec(`${getBinFile("webpack")} --mode=${mode} --output-path=${BUILD_DIR}`);
+};
+
+target.checkRuleFiles = function() {
+
+    echo("Validating rules");
+
+    const ruleTypes = require("./tools/rule-types.json");
+    let errors = 0;
+
+    RULE_FILES.forEach(filename => {
+        const basename = path.basename(filename, ".js");
+        const docFilename = `docs/rules/${basename}.md`;
+
+        /**
+         * Check if basename is present in rule-types.json file.
+         * @returns {boolean} true if present
+         * @private
+         */
+        function isInRuleTypes() {
+            return Object.prototype.hasOwnProperty.call(ruleTypes, basename);
+        }
+
+        /**
+         * Check if id is present in title
+         * @param {string} id id to check for
+         * @returns {boolean} true if present
+         * @private
+         */
+        function hasIdInTitle(id) {
+            const docText = cat(docFilename);
+            const idOldAtEndOfTitleRegExp = new RegExp(`^# (.*?) \\(${id}\\)`, "u"); // original format
+            const idNewAtBeginningOfTitleRegExp = new RegExp(`^# ${id}: `, "u"); // new format is same as rules index
+            /*
+             * 1. Added support for new format.
+             * 2. Will remove support for old format after all docs files have new format.
+             * 3. Will remove this check when the main heading is automatically generated from rule metadata.
+             */
+
+            return idNewAtBeginningOfTitleRegExp.test(docText) || idOldAtEndOfTitleRegExp.test(docText);
+        }
+
+        // check for docs
+        if (!test("-f", docFilename)) {
+            console.error("Missing documentation for rule %s", basename);
+            errors++;
+        } else {
+
+            // check for proper doc format
+            if (!hasIdInTitle(basename)) {
+                console.error("Missing id in the doc page's title of rule %s", basename);
+                errors++;
+            }
+        }
+
+        // check for recommended configuration
+        if (!isInRuleTypes()) {
+            console.error("Missing setting for %s in tools/rule-types.json", basename);
+            errors++;
+        }
+
+        // check parity between rules index file and rules directory
+        const ruleIdsInIndex = require("./lib/rules/index");
+        const ruleDef = ruleIdsInIndex.get(basename);
+
+        if (!ruleDef) {
+            console.error(`Missing rule from index (./lib/rules/index.js): ${basename}. If you just added a new rule then add an entry for it in this file.`);
+            errors++;
+        }
+
+        // check eslint:recommended
+        const recommended = require("./conf/eslint-recommended");
+
+        if (ruleDef) {
+            if (ruleDef.meta.docs.recommended) {
+                if (recommended.rules[basename] !== "error") {
+                    console.error(`Missing rule from eslint:recommended (./conf/eslint-recommended.js): ${basename}. If you just made a rule recommended then add an entry for it in this file.`);
+                    errors++;
+                }
+            } else {
+                if (basename in recommended.rules) {
+                    console.error(`Extra rule in eslint:recommended (./conf/eslint-recommended.js): ${basename}. If you just added a rule then don't add an entry for it in this file.`);
+                    errors++;
+                }
+            }
+        }
+
+        // check for tests
+        if (!test("-f", `tests/lib/rules/${basename}.js`)) {
+            console.error("Missing tests for rule %s", basename);
+            errors++;
+        }
+
+    });
+
+    if (errors) {
+        exit(1);
+    }
+
+};
+
+target.checkLicenses = function() {
+
+    /**
+     * Check if a dependency is eligible to be used by us
+     * @param {Object} dependency dependency to check
+     * @returns {boolean} true if we have permission
+     * @private
+     */
+    function isPermissible(dependency) {
+        const licenses = dependency.licenses;
+
+        if (Array.isArray(licenses)) {
+            return licenses.some(license => isPermissible({
+                name: dependency.name,
+                licenses: license
+            }));
+        }
+
+        return OPEN_SOURCE_LICENSES.some(license => license.test(licenses));
+    }
+
+    echo("Validating licenses");
+
+    checker.init({
+        start: __dirname
+    }, deps => {
+        const impermissible = Object.keys(deps).map(dependency => ({
+            name: dependency,
+            licenses: deps[dependency].licenses
+        })).filter(dependency => !isPermissible(dependency));
+
+        if (impermissible.length) {
+            impermissible.forEach(dependency => {
+                console.error(
+                    "%s license for %s is impermissible.",
+                    dependency.licenses,
+                    dependency.name
+                );
+            });
+            exit(1);
+        }
+    });
+};
+
+/**
+ * Downloads a repository which has many js files to test performance with multi files.
+ * Here, it's eslint@1.10.3 (450 files)
+ * @param {Function} cb A callback function.
+ * @returns {void}
+ */
+function downloadMultifilesTestTarget(cb) {
+    if (test("-d", PERF_MULTIFILES_TARGET_DIR)) {
+        process.nextTick(cb);
+    } else {
+        mkdir("-p", PERF_MULTIFILES_TARGET_DIR);
+        echo("Downloading the repository of multi-files performance test target.");
+        exec(`git clone -b v1.10.3 --depth 1 https://github.com/eslint/eslint.git "${PERF_MULTIFILES_TARGET_DIR}"`, { silent: true }, cb);
+    }
+}
+
+/**
+ * Creates a config file to use performance tests.
+ * This config is turning all core rules on.
+ * @returns {void}
+ */
+function createConfigForPerformanceTest() {
+    const content = [
+        "root: true",
+        "env:",
+        "    node: true",
+        "    es6: true",
+        "rules:"
+    ];
+
+    for (const [ruleId] of builtinRules) {
+        content.push(`    ${ruleId}: 1`);
+    }
+
+    content.join("\n").to(PERF_ESLINTRC);
+}
+
+/**
+ * Calculates the time for each run for performance
+ * @param {string} cmd cmd
+ * @param {int} runs Total number of runs to do
+ * @param {int} runNumber Current run number
+ * @param {int[]} results Collection results from each run
+ * @param {Function} cb Function to call when everything is done
+ * @returns {int[]} calls the cb with all the results
+ * @private
+ */
+function time(cmd, runs, runNumber, results, cb) {
+    const start = process.hrtime();
+
+    exec(cmd, { maxBuffer: 64 * 1024 * 1024, silent: true }, (code, stdout, stderr) => {
+        const diff = process.hrtime(start),
+            actual = (diff[0] * 1e3 + diff[1] / 1e6); // ms
+
+        if (code) {
+            echo(`  Performance Run #${runNumber} failed.`);
+            if (stdout) {
+                echo(`STDOUT:\n${stdout}\n\n`);
+            }
+
+            if (stderr) {
+                echo(`STDERR:\n${stderr}\n\n`);
+            }
+            return cb(null);
+        }
+
+        results.push(actual);
+        echo(`  Performance Run #${runNumber}:  %dms`, actual);
+        if (runs > 1) {
+            return time(cmd, runs - 1, runNumber + 1, results, cb);
+        }
+        return cb(results);
+
+    });
+
+}
+
+/**
+ * Run a performance test.
+ * @param {string} title A title.
+ * @param {string} targets Test targets.
+ * @param {number} multiplier A multiplier for limitation.
+ * @param {Function} cb A callback function.
+ * @returns {void}
+ */
+function runPerformanceTest(title, targets, multiplier, cb) {
+    const cpuSpeed = os.cpus()[0].speed,
+        max = multiplier / cpuSpeed,
+        cmd = `${ESLINT}--config "${PERF_ESLINTRC}" --no-eslintrc --no-ignore ${targets}`;
+
+    echo("");
+    echo(title);
+    echo("  CPU Speed is %d with multiplier %d", cpuSpeed, multiplier);
+
+    time(cmd, 5, 1, [], results => {
+        if (!results || results.length === 0) { // No results? Something is wrong.
+            throw new Error("Performance test failed.");
+        }
+
+        results.sort((a, b) => a - b);
+
+        const median = results[~~(results.length / 2)];
+
+        echo("");
+        if (median > max) {
+            echo("  Performance budget exceeded: %dms (limit: %dms)", median, max);
+        } else {
+            echo("  Performance budget ok:  %dms (limit: %dms)", median, max);
+        }
+        echo("");
+        cb();
+    });
+}
+
+/**
+ * Run the load performance for eslint
+ * @returns {void}
+ * @private
+ */
+function loadPerformance() {
+    echo("");
+    echo("Loading:");
+
+    const results = [];
+
+    for (let cnt = 0; cnt < 5; cnt++) {
+        const loadPerfData = loadPerf({
+            checkDependencies: false
+        });
+
+        echo(`  Load performance Run #${cnt + 1}:  %dms`, loadPerfData.loadTime);
+        results.push(loadPerfData.loadTime);
+    }
+
+    results.sort((a, b) => a - b);
+    const median = results[~~(results.length / 2)];
+
+    echo("");
+    echo("  Load Performance median:  %dms", median);
+    echo("");
+}
+
+target.perf = function() {
+    downloadMultifilesTestTarget(() => {
+        createConfigForPerformanceTest();
+
+        loadPerformance();
+
+        runPerformanceTest(
+            "Single File:",
+            "tests/performance/jshint.js",
+            PERF_MULTIPLIER,
+            () => {
+
+                // Count test target files.
+                const count = glob.sync(
+                    process.platform === "win32"
+                        ? PERF_MULTIFILES_TARGETS.slice(2).replace(/\\/gu, "/")
+                        : PERF_MULTIFILES_TARGETS
+                ).length;
+
+                runPerformanceTest(
+                    `Multi Files (${count} files):`,
+                    PERF_MULTIFILES_TARGETS,
+                    3 * PERF_MULTIPLIER,
+                    () => {}
+                );
+            }
+        );
+    });
+};
+
+target.generateRelease = generateRelease;
+target.generatePrerelease = ([prereleaseType]) => generatePrerelease(prereleaseType);
+target.publishRelease = publishRelease;
diff --git a/eslint/README.md b/eslint/README.md
new file mode 100644
index 0000000..da75b5c
--- /dev/null
+++ b/eslint/README.md
@@ -0,0 +1,260 @@
+[![NPM version](https://img.shields.io/npm/v/eslint.svg)](https://www.npmjs.com/package/eslint)
+[![Downloads](https://img.shields.io/npm/dm/eslint.svg)](https://www.npmjs.com/package/eslint)
+[![Build Status](https://github.com/eslint/eslint/workflows/CI/badge.svg)](https://github.com/eslint/eslint/actions)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Feslint%2Feslint.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Feslint%2Feslint?ref=badge_shield)
+<br />
+[![Open Collective Backers](https://img.shields.io/opencollective/backers/eslint)](https://opencollective.com/eslint)
+[![Open Collective Sponsors](https://img.shields.io/opencollective/sponsors/eslint)](https://opencollective.com/eslint)
+[![Join the chat at https://gitter.im/eslint/eslint](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/eslint/eslint?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Follow us on Twitter](https://img.shields.io/twitter/follow/geteslint?label=Follow&style=social)](https://twitter.com/intent/user?screen_name=geteslint)
+
+# ESLint
+
+[Website](https://eslint.org) |
+[Configuring](https://eslint.org/docs/user-guide/configuring) |
+[Rules](https://eslint.org/docs/rules/) |
+[Contributing](https://eslint.org/docs/developer-guide/contributing) |
+[Reporting Bugs](https://eslint.org/docs/developer-guide/contributing/reporting-bugs) |
+[Code of Conduct](https://js.foundation/community/code-of-conduct) |
+[Twitter](https://twitter.com/geteslint) |
+[Mailing List](https://groups.google.com/group/eslint) |
+[Chat Room](https://gitter.im/eslint/eslint)
+
+ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code. In many ways, it is similar to JSLint and JSHint with a few exceptions:
+
+* ESLint uses [Espree](https://github.com/eslint/espree) for JavaScript parsing.
+* ESLint uses an AST to evaluate patterns in code.
+* ESLint is completely pluggable, every single rule is a plugin and you can add more at runtime.
+
+## Table of Contents
+
+1. [Installation and Usage](#installation-and-usage)
+2. [Configuration](#configuration)
+3. [Code of Conduct](#code-of-conduct)
+4. [Filing Issues](#filing-issues)
+5. [Frequently Asked Questions](#faq)
+6. [Releases](#releases)
+7. [Semantic Versioning Policy](#semantic-versioning-policy)
+8. [License](#license)
+9. [Team](#team)
+10. [Sponsors](#sponsors)
+11. [Technology Sponsors](#technology-sponsors)
+
+## <a name="installation-and-usage"></a>Installation and Usage
+
+Prerequisites: [Node.js](https://nodejs.org/) (`^10.12.0`, or `>=12.0.0`) built with SSL support. (If you are using an official Node.js distribution, SSL is always built in.)
+
+You can install ESLint using npm:
+
+```
+$ npm install eslint --save-dev
+```
+
+You should then set up a configuration file:
+
+```
+$ ./node_modules/.bin/eslint --init
+```
+
+After that, you can run ESLint on any file or directory like this:
+
+```
+$ ./node_modules/.bin/eslint yourfile.js
+```
+
+## <a name="configuration"></a>Configuration
+
+After running `eslint --init`, you'll have a `.eslintrc` file in your directory. In it, you'll see some rules configured like this:
+
+```json
+{
+    "rules": {
+        "semi": ["error", "always"],
+        "quotes": ["error", "double"]
+    }
+}
+```
+
+The names `"semi"` and `"quotes"` are the names of [rules](https://eslint.org/docs/rules) in ESLint. The first value is the error level of the rule and can be one of these values:
+
+* `"off"` or `0` - turn the rule off
+* `"warn"` or `1` - turn the rule on as a warning (doesn't affect exit code)
+* `"error"` or `2` - turn the rule on as an error (exit code will be 1)
+
+The three error levels allow you fine-grained control over how ESLint applies rules (for more configuration options and details, see the [configuration docs](https://eslint.org/docs/user-guide/configuring)).
+
+## <a name="code-of-conduct"></a>Code of Conduct
+
+ESLint adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct).
+
+## <a name="filing-issues"></a>Filing Issues
+
+Before filing an issue, please be sure to read the guidelines for what you're reporting:
+
+* [Bug Report](https://eslint.org/docs/developer-guide/contributing/reporting-bugs)
+* [Propose a New Rule](https://eslint.org/docs/developer-guide/contributing/new-rules)
+* [Proposing a Rule Change](https://eslint.org/docs/developer-guide/contributing/rule-changes)
+* [Request a Change](https://eslint.org/docs/developer-guide/contributing/changes)
+
+## <a name="faq"></a>Frequently Asked Questions
+
+### I'm using JSCS, should I migrate to ESLint?
+
+Yes. [JSCS has reached end of life](https://eslint.org/blog/2016/07/jscs-end-of-life) and is no longer supported.
+
+We have prepared a [migration guide](https://eslint.org/docs/user-guide/migrating-from-jscs) to help you convert your JSCS settings to an ESLint configuration.
+
+We are now at or near 100% compatibility with JSCS. If you try ESLint and believe we are not yet compatible with a JSCS rule/configuration, please create an issue (mentioning that it is a JSCS compatibility issue) and we will evaluate it as per our normal process.
+
+### Does Prettier replace ESLint?
+
+No, ESLint does both traditional linting (looking for problematic patterns) and style checking (enforcement of conventions). You can use ESLint for everything, or you can combine both using Prettier to format your code and ESLint to catch possible errors.
+
+### Why can't ESLint find my plugins?
+
+* Make sure your plugins (and ESLint) are both in your project's `package.json` as devDependencies (or dependencies, if your project uses ESLint at runtime).
+* Make sure you have run `npm install` and all your dependencies are installed.
+* Make sure your plugins' peerDependencies have been installed as well. You can use `npm view eslint-plugin-myplugin peerDependencies` to see what peer dependencies `eslint-plugin-myplugin` has.
+
+### Does ESLint support JSX?
+
+Yes, ESLint natively supports parsing JSX syntax (this must be enabled in [configuration](https://eslint.org/docs/user-guide/configuring)). Please note that supporting JSX syntax *is not* the same as supporting React. React applies specific semantics to JSX syntax that ESLint doesn't recognize. We recommend using [eslint-plugin-react](https://www.npmjs.com/package/eslint-plugin-react) if you are using React and want React semantics.
+
+### What ECMAScript versions does ESLint support?
+
+ESLint has full support for ECMAScript 3, 5 (default), 2015, 2016, 2017, 2018, and 2019. You can set your desired ECMAScript syntax (and other settings, like global variables or your target environments) through [configuration](https://eslint.org/docs/user-guide/configuring).
+
+### What about experimental features?
+
+ESLint's parser only officially supports the latest final ECMAScript standard. We will make changes to core rules in order to avoid crashes on stage 3 ECMAScript syntax proposals (as long as they are implemented using the correct experimental ESTree syntax). We may make changes to core rules to better work with language extensions (such as JSX, Flow, and TypeScript) on a case-by-case basis.
+
+In other cases (including if rules need to warn on more or fewer cases due to new syntax, rather than just not crashing), we recommend you use other parsers and/or rule plugins. If you are using Babel, you can use the [babel-eslint](https://github.com/babel/babel-eslint) parser and [eslint-plugin-babel](https://github.com/babel/eslint-plugin-babel) to use any option available in Babel.
+
+Once a language feature has been adopted into the ECMAScript standard (stage 4 according to the [TC39 process](https://tc39.github.io/process-document/)), we will accept issues and pull requests related to the new feature, subject to our [contributing guidelines](https://eslint.org/docs/developer-guide/contributing). Until then, please use the appropriate parser and plugin(s) for your experimental feature.
+
+### Where to ask for help?
+
+Join our [Mailing List](https://groups.google.com/group/eslint) or [Chatroom](https://gitter.im/eslint/eslint).
+
+## <a name="releases"></a>Releases
+
+We have scheduled releases every two weeks on Friday or Saturday. You can follow a [release issue](https://github.com/eslint/eslint/issues?q=is%3Aopen+is%3Aissue+label%3Arelease) for updates about the scheduling of any particular release.
+
+## <a name="semantic-versioning-policy"></a>Semantic Versioning Policy
+
+ESLint follows [semantic versioning](https://semver.org). However, due to the nature of ESLint as a code quality tool, it's not always clear when a minor or major version bump occurs. To help clarify this for everyone, we've defined the following semantic versioning policy for ESLint:
+
+* Patch release (intended to not break your lint build)
+    * A bug fix in a rule that results in ESLint reporting fewer errors.
+    * A bug fix to the CLI or core (including formatters).
+    * Improvements to documentation.
+    * Non-user-facing changes such as refactoring code, adding, deleting, or modifying tests, and increasing test coverage.
+    * Re-releasing after a failed release (i.e., publishing a release that doesn't work for anyone).
+* Minor release (might break your lint build)
+    * A bug fix in a rule that results in ESLint reporting more errors.
+    * A new rule is created.
+    * A new option to an existing rule that does not result in ESLint reporting more errors by default.
+    * An existing rule is deprecated.
+    * A new CLI capability is created.
+    * New capabilities to the public API are added (new classes, new methods, new arguments to existing methods, etc.).
+    * A new formatter is created.
+    * `eslint:recommended` is updated and will result in strictly fewer errors (e.g., rule removals).
+* Major release (likely to break your lint build)
+    * `eslint:recommended` is updated and may result in new errors (e.g., rule additions, most rule option updates).
+    * A new option to an existing rule that results in ESLint reporting more errors by default.
+    * An existing formatter is removed.
+    * Part of the public API is removed or changed in an incompatible way.
+
+According to our policy, any minor update may report more errors than the previous release (ex: from a bug fix). As such, we recommend using the tilde (`~`) in `package.json` e.g. `"eslint": "~3.1.0"` to guarantee the results of your builds.
+
+## <a name="license"></a>License
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Feslint%2Feslint.svg?type=large)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Feslint%2Feslint?ref=badge_large)
+
+## <a name="team"></a>Team
+
+These folks keep the project moving and are resources for help.
+
+<!-- NOTE: This section is autogenerated. Do not manually edit.-->
+<!--teamstart-->
+
+### Technical Steering Committee (TSC)
+
+The people who manage releases, review feature requests, and meet regularly to ensure ESLint is properly maintained.
+
+<table><tbody><tr><td align="center" valign="top" width="11%">
+<a href="https://github.com/nzakas">
+<img src="https://github.com/nzakas.png?s=75" width="75" height="75"><br />
+Nicholas C. Zakas
+</a>
+</td><td align="center" valign="top" width="11%">
+<a href="https://github.com/btmills">
+<img src="https://github.com/btmills.png?s=75" width="75" height="75"><br />
+Brandon Mills
+</a>
+</td><td align="center" valign="top" width="11%">
+<a href="https://github.com/mysticatea">
+<img src="https://github.com/mysticatea.png?s=75" width="75" height="75"><br />
+Toru Nagashima
+</a>
+</td><td align="center" valign="top" width="11%">
+<a href="https://github.com/kaicataldo">
+<img src="https://github.com/kaicataldo.png?s=75" width="75" height="75"><br />
+Kai Cataldo
+</a>
+</td></tr></tbody></table>
+
+
+### Reviewers
+
+The people who review and implement new features.
+
+<table><tbody><tr><td align="center" valign="top" width="11%">
+<a href="https://github.com/aladdin-add">
+<img src="https://github.com/aladdin-add.png?s=75" width="75" height="75"><br />
+薛定谔的猫
+</a>
+</td></tr></tbody></table>
+
+
+
+
+### Committers
+
+The people who review and fix bugs and help triage issues.
+
+<table><tbody><tr><td align="center" valign="top" width="11%">
+<a href="https://github.com/g-plane">
+<img src="https://github.com/g-plane.png?s=75" width="75" height="75"><br />
+Pig Fang
+</a>
+</td><td align="center" valign="top" width="11%">
+<a href="https://github.com/yeonjuan">
+<img src="https://github.com/yeonjuan.png?s=75" width="75" height="75"><br />
+YeonJuan
+</a>
+</td><td align="center" valign="top" width="11%">
+<a href="https://github.com/mdjermanovic">
+<img src="https://github.com/mdjermanovic.png?s=75" width="75" height="75"><br />
+Milos Djermanovic
+</a>
+</td></tr></tbody></table>
+
+
+<!--teamend-->
+
+## <a name="sponsors"></a>Sponsors
+
+The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://opencollective.com/eslint) to get your logo on our README and website.
+
+<!-- NOTE: This section is autogenerated. Do not manually edit.-->
+<!--sponsorsstart-->
+<h3>Gold Sponsors</h3>
+<p><a href="https://www.shopify.com"><img src="https://images.opencollective.com/shopify/eeb91aa/logo.png" alt="Shopify" height="96"></a> <a href="http://engineering.salesforce.com"><img src="https://images.opencollective.com/salesforce/ca8f997/logo.png" alt="Salesforce" height="96"></a> <a href="https://magiclab.co/?utm_source=eslint"><img src="https://images.opencollective.com/magiclab/bbf6345/logo.png" alt="MagicLab" height="96"></a> <a href="https://www.airbnb.com/"><img src="https://images.opencollective.com/airbnb/d327d66/logo.png" alt="Airbnb" height="96"></a></p><h3>Silver Sponsors</h3>
+<p><a href="https://www.ampproject.org/"><img src="https://images.opencollective.com/amp/c8a3b25/logo.png" alt="AMP Project" height="64"></a></p><h3>Bronze Sponsors</h3>
+<p><a href="https://www.kasinot.fi"><img src="https://images.opencollective.com/kasinot-fi/e09aa2e/logo.png" alt="Kasinot.fi" height="32"></a> <a href="https://www.pelisivut.com"><img src="https://images.opencollective.com/pelisivut/04f08f2/logo.png" alt="Pelisivut" height="32"></a> <a href="https://www.nettikasinot.org"><img src="https://images.opencollective.com/nettikasinot-org/bbd887f/logo.png" alt="Nettikasinot.org" height="32"></a> <a href="https://www.bonus.com.de/freispiele"><img src="https://images.opencollective.com/bonusfinder-deutschland/646169e/logo.png" alt="BonusFinder Deutschland" height="32"></a> <a href="https://medium.com/@niksundin/best-web-design-companies-1872e445775f"><img src="https://images.opencollective.com/top-web-design-agencies/d92d747/logo.png" alt="Top Web Design Agencies" height="32"></a> <a href="https://www.bugsnag.com/platforms?utm_source=Open Collective&utm_medium=Website&utm_content=open-source&utm_campaign=2019-community&utm_term="><img src="https://images.opencollective.com/bugsnag-stability-monitoring/c2cef36/logo.png" alt="Bugsnag Stability Monitoring" height="32"></a> <a href="https://mixpanel.com"><img src="https://images.opencollective.com/mixpanel/cd682f7/logo.png" alt="Mixpanel" height="32"></a> <a href="https://www.vpsserver.com"><img src="https://images.opencollective.com/vpsservercom/logo.png" alt="VPS Server" height="32"></a> <a href="https://icons8.com"><img src="https://images.opencollective.com/icons8/0b37d14/logo.png" alt="Free Icons by Icons8" height="32"></a> <a href="https://uxplanet.org/top-ui-ux-design-agencies-user-experience-firms-8c54697e290"><img src="https://images.opencollective.com/ui-ux-design-agencies/cae5dfe/logo.png" alt="UI UX Design Agencies" height="32"></a> <a href="https://clay.global"><img src="https://images.opencollective.com/clayglobal/2468f34/logo.png" alt="clay" height="32"></a> <a href="https://discordapp.com"><img src="https://images.opencollective.com/discordapp/7e3d9a9/logo.png" alt="Discord" height="32"></a> <a href="https://themeisle.com"><img src="https://images.opencollective.com/themeisle/d5592fe/logo.png" alt="ThemeIsle" height="32"></a> <a href="https://tekhattan.com"><img src="https://images.opencollective.com/tekhattan/bc73c28/logo.png" alt="TekHattan" height="32"></a> <a href="https://www.marfeel.com/"><img src="https://images.opencollective.com/marfeel/4b88e30/logo.png" alt="Marfeel" height="32"></a> <a href="http://www.firesticktricks.com"><img src="https://images.opencollective.com/fire-stick-tricks/b8fbe2c/logo.png" alt="Fire Stick Tricks" height="32"></a></p>
+<!--sponsorsend-->
+
+## <a name="technology-sponsors"></a>Technology Sponsors
+
+* Site search ([eslint.org](https://eslint.org)) is sponsored by [Algolia](https://www.algolia.com)
diff --git a/eslint/SUPPORT.md b/eslint/SUPPORT.md
new file mode 100644
index 0000000..0894260
--- /dev/null
+++ b/eslint/SUPPORT.md
@@ -0,0 +1 @@
+If you have a question about how to use ESLint, please ask it in our [Gitter channel](https://gitter.im/eslint/eslint).
diff --git a/eslint/bin/eslint.js b/eslint/bin/eslint.js
new file mode 100755
index 0000000..a9f51f1
--- /dev/null
+++ b/eslint/bin/eslint.js
@@ -0,0 +1,108 @@
+#!/usr/bin/env node
+
+/**
+ * @fileoverview Main CLI that is run via the eslint command.
+ * @author Nicholas C. Zakas
+ */
+
+/* eslint no-console:off */
+
+"use strict";
+
+// to use V8's code cache to speed up instantiation time
+require("v8-compile-cache");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const useStdIn = process.argv.includes("--stdin"),
+    init = process.argv.includes("--init"),
+    debug = process.argv.includes("--debug");
+
+// must do this initialization *before* other requires in order to work
+if (debug) {
+    require("debug").enable("eslint:*,-eslint:code-path");
+}
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// now we can safely include the other modules that use debug
+const path = require("path"),
+    fs = require("fs"),
+    cli = require("../lib/cli");
+
+//------------------------------------------------------------------------------
+// Execution
+//------------------------------------------------------------------------------
+
+process.once("uncaughtException", err => {
+
+    // lazy load
+    const lodash = require("lodash");
+
+    if (typeof err.messageTemplate === "string" && err.messageTemplate.length > 0) {
+        const template = lodash.template(fs.readFileSync(path.resolve(__dirname, `../messages/${err.messageTemplate}.txt`), "utf-8"));
+        const pkg = require("../package.json");
+
+        console.error("\nOops! Something went wrong! :(");
+        console.error(`\nESLint: ${pkg.version}.\n\n${template(err.messageData || {})}`);
+    } else {
+        console.error(err.stack);
+    }
+
+    process.exitCode = 2;
+});
+
+if (useStdIn) {
+
+    /*
+     * Note: See
+     * - https://github.com/nodejs/node/blob/master/doc/api/process.md#processstdin
+     * - https://github.com/nodejs/node/blob/master/doc/api/process.md#a-note-on-process-io
+     * - https://lists.gnu.org/archive/html/bug-gnu-emacs/2016-01/msg00419.html
+     * - https://github.com/nodejs/node/issues/7439 (historical)
+     *
+     * On Windows using `fs.readFileSync(STDIN_FILE_DESCRIPTOR, "utf8")` seems
+     * to read 4096 bytes before blocking and never drains to read further data.
+     *
+     * The investigation on the Emacs thread indicates:
+     *
+     * > Emacs on MS-Windows uses pipes to communicate with subprocesses; a
+     * > pipe on Windows has a 4K buffer. So as soon as Emacs writes more than
+     * > 4096 bytes to the pipe, the pipe becomes full, and Emacs then waits for
+     * > the subprocess to read its end of the pipe, at which time Emacs will
+     * > write the rest of the stuff.
+     *
+     * Using the nodejs code example for reading from stdin.
+     */
+    let contents = "",
+        chunk = "";
+
+    process.stdin.setEncoding("utf8");
+    process.stdin.on("readable", () => {
+
+        // Use a loop to make sure we read all available data.
+        while ((chunk = process.stdin.read()) !== null) {
+            contents += chunk;
+        }
+    });
+
+    process.stdin.on("end", () => {
+        process.exitCode = cli.execute(process.argv, contents, "utf8");
+    });
+} else if (init) {
+    const configInit = require("../lib/init/config-initializer");
+
+    configInit.initializeConfig().then(() => {
+        process.exitCode = 0;
+    }).catch(err => {
+        process.exitCode = 1;
+        console.error(err.message);
+        console.error(err.stack);
+    });
+} else {
+    process.exitCode = cli.execute(process.argv);
+}
diff --git a/eslint/conf/category-list.json b/eslint/conf/category-list.json
new file mode 100644
index 0000000..6609734
--- /dev/null
+++ b/eslint/conf/category-list.json
@@ -0,0 +1,40 @@
+{
+    "categories": [
+        { "name": "Possible Errors", "description": "These rules relate to possible syntax or logic errors in JavaScript code:" },
+        { "name": "Best Practices", "description": "These rules relate to better ways of doing things to help you avoid problems:" },
+        { "name": "Strict Mode", "description": "These rules relate to strict mode directives:" },
+        { "name": "Variables", "description": "These rules relate to variable declarations:" },
+        { "name": "Node.js and CommonJS", "description": "These rules relate to code running in Node.js, or in browsers with CommonJS:" },
+        { "name": "Stylistic Issues", "description": "These rules relate to style guidelines, and are therefore quite subjective:" },
+        { "name": "ECMAScript 6", "description": "These rules relate to ES6, also known as ES2015:" }
+    ],
+    "deprecated": {
+        "name": "Deprecated",
+        "description": "These rules have been deprecated in accordance with the <a href=\"/docs/user-guide/rule-deprecation\">deprecation policy</a>, and replaced by newer rules:",
+        "rules": []
+    },
+    "removed": {
+        "name": "Removed",
+        "description": "These rules from older versions of ESLint (before the <a href=\"/docs/user-guide/rule-deprecation\">deprecation policy</a> existed) have been replaced by newer rules:",
+        "rules": [
+            { "removed": "generator-star", "replacedBy": ["generator-star-spacing"] },
+            { "removed": "global-strict", "replacedBy": ["strict"] },
+            { "removed": "no-arrow-condition", "replacedBy": ["no-confusing-arrow", "no-constant-condition"] },
+            { "removed": "no-comma-dangle", "replacedBy": ["comma-dangle"] },
+            { "removed": "no-empty-class", "replacedBy": ["no-empty-character-class"] },
+            { "removed": "no-empty-label", "replacedBy": ["no-labels"] },
+            { "removed": "no-extra-strict", "replacedBy": ["strict"] },
+            { "removed": "no-reserved-keys", "replacedBy": ["quote-props"] },
+            { "removed": "no-space-before-semi", "replacedBy": ["semi-spacing"] },
+            { "removed": "no-wrap-func", "replacedBy": ["no-extra-parens"] },
+            { "removed": "space-after-function-name", "replacedBy": ["space-before-function-paren"] },
+            { "removed": "space-after-keywords", "replacedBy": ["keyword-spacing"] },
+            { "removed": "space-before-function-parentheses", "replacedBy": ["space-before-function-paren"] },
+            { "removed": "space-before-keywords", "replacedBy": ["keyword-spacing"] },
+            { "removed": "space-in-brackets", "replacedBy": ["object-curly-spacing", "array-bracket-spacing"] },
+            { "removed": "space-return-throw-case", "replacedBy": ["keyword-spacing"] },
+            { "removed": "space-unary-word-ops", "replacedBy": ["space-unary-ops"] },
+            { "removed": "spaced-line-comment", "replacedBy": ["spaced-comment"] }
+        ]
+    }
+}
diff --git a/eslint/conf/config-schema.js b/eslint/conf/config-schema.js
new file mode 100644
index 0000000..712fc42
--- /dev/null
+++ b/eslint/conf/config-schema.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview Defines a schema for configs.
+ * @author Sylvan Mably
+ */
+
+"use strict";
+
+const baseConfigProperties = {
+    $schema: { type: "string" },
+    env: { type: "object" },
+    extends: { $ref: "#/definitions/stringOrStrings" },
+    globals: { type: "object" },
+    overrides: {
+        type: "array",
+        items: { $ref: "#/definitions/overrideConfig" },
+        additionalItems: false
+    },
+    parser: { type: ["string", "null"] },
+    parserOptions: { type: "object" },
+    plugins: { type: "array" },
+    processor: { type: "string" },
+    rules: { type: "object" },
+    settings: { type: "object" },
+    noInlineConfig: { type: "boolean" },
+    reportUnusedDisableDirectives: { type: "boolean" },
+
+    ecmaFeatures: { type: "object" } // deprecated; logs a warning when used
+};
+
+const configSchema = {
+    definitions: {
+        stringOrStrings: {
+            oneOf: [
+                { type: "string" },
+                {
+                    type: "array",
+                    items: { type: "string" },
+                    additionalItems: false
+                }
+            ]
+        },
+        stringOrStringsRequired: {
+            oneOf: [
+                { type: "string" },
+                {
+                    type: "array",
+                    items: { type: "string" },
+                    additionalItems: false,
+                    minItems: 1
+                }
+            ]
+        },
+
+        // Config at top-level.
+        objectConfig: {
+            type: "object",
+            properties: {
+                root: { type: "boolean" },
+                ignorePatterns: { $ref: "#/definitions/stringOrStrings" },
+                ...baseConfigProperties
+            },
+            additionalProperties: false
+        },
+
+        // Config in `overrides`.
+        overrideConfig: {
+            type: "object",
+            properties: {
+                excludedFiles: { $ref: "#/definitions/stringOrStrings" },
+                files: { $ref: "#/definitions/stringOrStringsRequired" },
+                ...baseConfigProperties
+            },
+            required: ["files"],
+            additionalProperties: false
+        }
+    },
+
+    $ref: "#/definitions/objectConfig"
+};
+
+module.exports = configSchema;
diff --git a/eslint/conf/default-cli-options.js b/eslint/conf/default-cli-options.js
new file mode 100644
index 0000000..e09a829
--- /dev/null
+++ b/eslint/conf/default-cli-options.js
@@ -0,0 +1,31 @@
+/**
+ * @fileoverview Default CLIEngineOptions.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+module.exports = {
+    configFile: null,
+    baseConfig: false,
+    rulePaths: [],
+    useEslintrc: true,
+    envs: [],
+    globals: [],
+    extensions: null,
+    ignore: true,
+    ignorePath: void 0,
+    cache: false,
+
+    /*
+     * in order to honor the cacheFile option if specified
+     * this option should not have a default value otherwise
+     * it will always be used
+     */
+    cacheLocation: "",
+    cacheFile: ".eslintcache",
+    fix: false,
+    allowInlineConfig: true,
+    reportUnusedDisableDirectives: void 0,
+    globInputPaths: true
+};
diff --git a/eslint/conf/environments.js b/eslint/conf/environments.js
new file mode 100644
index 0000000..90589b1
--- /dev/null
+++ b/eslint/conf/environments.js
@@ -0,0 +1,168 @@
+/**
+ * @fileoverview Defines environment settings and globals.
+ * @author Elan Shanker
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const globals = require("globals");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the object that has difference.
+ * @param {Record<string,boolean>} current The newer object.
+ * @param {Record<string,boolean>} prev The older object.
+ * @returns {Record<string,boolean>} The difference object.
+ */
+function getDiff(current, prev) {
+    const retv = {};
+
+    for (const [key, value] of Object.entries(current)) {
+        if (!Object.hasOwnProperty.call(prev, key)) {
+            retv[key] = value;
+        }
+    }
+
+    return retv;
+}
+
+const newGlobals2015 = getDiff(globals.es2015, globals.es5); // 19 variables such as Promise, Map, ...
+const newGlobals2017 = {
+    Atomics: false,
+    SharedArrayBuffer: false
+};
+const newGlobals2020 = {
+    BigInt: false,
+    BigInt64Array: false,
+    BigUint64Array: false,
+    globalThis: false
+};
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/** @type {Map<string, import("../lib/shared/types").Environment>} */
+module.exports = new Map(Object.entries({
+
+    // Language
+    builtin: {
+        globals: globals.es5
+    },
+    es6: {
+        globals: newGlobals2015,
+        parserOptions: {
+            ecmaVersion: 6
+        }
+    },
+    es2015: {
+        globals: newGlobals2015,
+        parserOptions: {
+            ecmaVersion: 6
+        }
+    },
+    es2017: {
+        globals: { ...newGlobals2015, ...newGlobals2017 },
+        parserOptions: {
+            ecmaVersion: 8
+        }
+    },
+    es2020: {
+        globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 },
+        parserOptions: {
+            ecmaVersion: 11
+        }
+    },
+
+    // Platforms
+    browser: {
+        globals: globals.browser
+    },
+    node: {
+        globals: globals.node,
+        parserOptions: {
+            ecmaFeatures: {
+                globalReturn: true
+            }
+        }
+    },
+    "shared-node-browser": {
+        globals: globals["shared-node-browser"]
+    },
+    worker: {
+        globals: globals.worker
+    },
+    serviceworker: {
+        globals: globals.serviceworker
+    },
+
+    // Frameworks
+    commonjs: {
+        globals: globals.commonjs,
+        parserOptions: {
+            ecmaFeatures: {
+                globalReturn: true
+            }
+        }
+    },
+    amd: {
+        globals: globals.amd
+    },
+    mocha: {
+        globals: globals.mocha
+    },
+    jasmine: {
+        globals: globals.jasmine
+    },
+    jest: {
+        globals: globals.jest
+    },
+    phantomjs: {
+        globals: globals.phantomjs
+    },
+    jquery: {
+        globals: globals.jquery
+    },
+    qunit: {
+        globals: globals.qunit
+    },
+    prototypejs: {
+        globals: globals.prototypejs
+    },
+    shelljs: {
+        globals: globals.shelljs
+    },
+    meteor: {
+        globals: globals.meteor
+    },
+    mongo: {
+        globals: globals.mongo
+    },
+    protractor: {
+        globals: globals.protractor
+    },
+    applescript: {
+        globals: globals.applescript
+    },
+    nashorn: {
+        globals: globals.nashorn
+    },
+    atomtest: {
+        globals: globals.atomtest
+    },
+    embertest: {
+        globals: globals.embertest
+    },
+    webextensions: {
+        globals: globals.webextensions
+    },
+    greasemonkey: {
+        globals: globals.greasemonkey
+    }
+}));
diff --git a/eslint/conf/replacements.json b/eslint/conf/replacements.json
new file mode 100644
index 0000000..c047811
--- /dev/null
+++ b/eslint/conf/replacements.json
@@ -0,0 +1,22 @@
+{
+    "rules": {
+        "generator-star": ["generator-star-spacing"],
+        "global-strict": ["strict"],
+        "no-arrow-condition": ["no-confusing-arrow", "no-constant-condition"],
+        "no-comma-dangle": ["comma-dangle"],
+        "no-empty-class": ["no-empty-character-class"],
+        "no-empty-label": ["no-labels"],
+        "no-extra-strict": ["strict"],
+        "no-reserved-keys": ["quote-props"],
+        "no-space-before-semi": ["semi-spacing"],
+        "no-wrap-func": ["no-extra-parens"],
+        "space-after-function-name": ["space-before-function-paren"],
+        "space-after-keywords": ["keyword-spacing"],
+        "space-before-function-parentheses": ["space-before-function-paren"],
+        "space-before-keywords": ["keyword-spacing"],
+        "space-in-brackets": ["object-curly-spacing", "array-bracket-spacing", "computed-property-spacing"],
+        "space-return-throw-case": ["keyword-spacing"],
+        "space-unary-word-ops": ["space-unary-ops"],
+        "spaced-line-comment": ["spaced-comment"]
+    }
+}
diff --git a/eslint/docs/README.md b/eslint/docs/README.md
new file mode 100644
index 0000000..8f5223a
--- /dev/null
+++ b/eslint/docs/README.md
@@ -0,0 +1,17 @@
+# Documentation
+
+Welcome to our documentation pages! What would you like to view?
+
+## [User Guide](user-guide)
+
+Intended for end users of ESLint. Contains information about core rules, configuration, command line options, formatters, and integrations,
+as well as guides for migrating from earlier versions of ESLint.
+
+## [Developer Guide](developer-guide)
+
+Intended for contributors to ESLint and people who wish to extend ESLint. Contains information about contributing to ESLint; creating custom
+rules, configurations, plugins, and formatters; and information about our architecture and Node.js API.
+
+## [Maintainer Guide](maintainer-guide)
+
+Intended for maintainers of ESLint.
diff --git a/eslint/docs/about/index.md b/eslint/docs/about/index.md
new file mode 100644
index 0000000..a9c5acb
--- /dev/null
+++ b/eslint/docs/about/index.md
@@ -0,0 +1,38 @@
+# About
+
+ESLint is an open source JavaScript linting utility originally created by Nicholas C. Zakas in June 2013. Code [linting][] is a type of static analysis that is frequently used to find problematic patterns or code that doesn't adhere to certain style guidelines. There are code linters for most programming languages, and compilers sometimes incorporate linting into the compilation process.
+
+JavaScript, being a dynamic and loosely-typed language, is especially prone to developer error. Without the benefit of a compilation process, JavaScript code is typically executed in order to find syntax or other errors. Linting tools like ESLint allow developers to discover problems with their JavaScript code without executing it.
+
+The primary reason ESLint was created was to allow developers to create their own linting rules. ESLint is designed to have all rules completely pluggable. The default rules are written just like any plugin rules would be. They can all follow the same pattern, both for the rules themselves as well as tests. While ESLint will ship with some built-in rules to make it useful from the start, you'll be able to dynamically load rules at any point in time.
+
+ESLint is written using Node.js to provide a fast runtime environment and easy installation via [npm][].
+
+[linting]: https://en.wikipedia.org/wiki/Lint_(software)
+[npm]: https://npmjs.org/
+
+## Philosophy
+
+Everything is pluggable:
+
+* Rule API is used both by bundled and custom rules
+* Formatter API is used both by bundled and custom formatters
+* Additional rules and formatters can be specified at runtime
+* Rules and formatters don't have to be bundled to be used
+
+Every rule:
+
+* Is standalone
+* Can be turned off or on (nothing can be deemed "too important to turn off")
+* Can be set to a warning or error individually
+
+Additionally:
+
+* Rules are "agenda free" - ESLint does not promote any particular coding style
+* Any bundled rules are generalizable
+
+The project:
+
+* Values documentation and clear communication
+* Is as transparent as possible
+* Believes in the importance of testing
diff --git a/eslint/docs/developer-guide/README.md b/eslint/docs/developer-guide/README.md
new file mode 100644
index 0000000..ea19430
--- /dev/null
+++ b/eslint/docs/developer-guide/README.md
@@ -0,0 +1,47 @@
+# Developer Guide
+
+This guide is intended for those who wish to:
+
+* Contribute code to ESLint
+* Create their own rules for ESLint
+
+In order to work with ESLint as a developer, it's recommended that:
+
+* You know JavaScript, since ESLint is written in JavaScript.
+* You have some familiarity with Node.js, since ESLint runs on it.
+* You're comfortable with command-line programs.
+* You understand unit tests and why they're important.
+
+If that sounds like you, then continue reading to get started.
+
+## Section 1: Get the [Source Code](source-code.md)
+
+Before you can get started, you'll need to get a copy of the ESLint source code. This section explains how to do that and a little about the source code structure.
+
+## Section 2: Set up a [Development Environment](development-environment.md)
+
+Developing for ESLint is a bit different than running it on the command line. This section shows you how to set up a development environment and get you ready to write code.
+
+## Section 3: Run the [Unit Tests](unit-tests.md)
+
+There are a lot of unit tests included with ESLint to make sure that we're keeping on top of code quality. This section explains how to run the unit tests.
+
+## Section 4: [Working with Rules](working-with-rules.md)
+
+You're finally ready to start working with rules. You may want to fix an existing rule or create a new one. This section explains how to do all of that.
+
+## Section 5: [Working with Plugins](working-with-plugins.md)
+
+You've developed library-specific rules for ESLint and you want to share it with the community. You can publish an ESLint plugin on npm.
+
+## Section 6: [Working with Custom Parsers](working-with-custom-parsers.md)
+
+If you aren't going to use the default parser of ESLint, this section explains about using custom parsers.
+
+## Section 7: [Node.js API](nodejs-api.md)
+
+If you're interested in writing a tool that uses ESLint, then you can use the Node.js API to get programmatic access to functionality.
+
+## Section 8: [Contributing](contributing/)
+
+Once you've made changes that you want to share with the community, the next step is to submit those changes back via a pull request.
diff --git a/eslint/docs/developer-guide/architecture.md b/eslint/docs/developer-guide/architecture.md
new file mode 100644
index 0000000..1ea74bb
--- /dev/null
+++ b/eslint/docs/developer-guide/architecture.md
@@ -0,0 +1,92 @@
+# Architecture
+
+<center><img alt="dependency graph" src="./architecture/dependency.svg"></center>
+
+At a high level, there are a few key parts to ESLint:
+
+* `bin/eslint.js` - this is the file that actually gets executed with the command line utility. It's a dumb wrapper that does nothing more than bootstrap ESLint, passing the command line arguments to `cli`. This is intentionally small so as not to require heavy testing.
+* `lib/api.js` - this is the entry point of `require("eslint")`. This file exposes an object that contains public classes `Linter`, `CLIEngine`, `RuleTester`, and `SourceCode`.
+* `lib/cli.js` - this is the heart of the ESLint CLI. It takes an array of arguments and then uses `eslint` to execute the commands. By keeping this as a separate utility, it allows others to effectively call ESLint from within another Node.js program as if it were done on the command line. The main call is `cli.execute()`. This is also the part that does all the file reading, directory traversing, input, and output.
+* `lib/init/` - this module contains `--init` functionality that set up a configuration file for end users.
+* `lib/cli-engine/` - this module is `CLIEngine` class that finds source code files and configuration files then does code verifying with the `Linter` class. This includes the loading logic of configuration files, parsers, plugins, and formatters.
+* `lib/linter/` - this module is the core `Linter` class that does code verifying based on configuration options. This file does no file I/O and does not interact with the `console` at all. For other Node.js programs that have JavaScript text to verify, they would be able to use this interface directly.
+* `lib/rule-tester/` - this module is `RuleTester` class that is a wrapper around Mocha so that rules can be unit tested. This class lets us write consistently formatted tests for each rule that is implemented and be confident that each of the rules work. The RuleTester interface was modeled after Mocha and works with Mocha's global testing methods. RuleTester can also be modified to work with other testing frameworks.
+* `lib/source-code/` - this module is `SourceCode` class that is used to represent the parsed source code. It takes in source code and the Program node of the AST representing the code.
+* `lib/rules/` - this contains built-in rules that verify source code.
+
+## The `cli` object
+
+The `cli` object is the API for the command line interface. Literally, the `bin/eslint.js` file simply passes arguments to the `cli` object and then sets `process.exitCode` to the returned exit code.
+
+The main method is `cli.execute()`, which accepts an array of strings that represent the command line options (as if `process.argv` were passed without the first two arguments). If you want to run ESLint from inside of another program and have it act like the CLI, then `cli` is the object to use.
+
+This object's responsibilities include:
+
+* Interpreting command line arguments
+* Reading from the file system
+* Outputting to the console
+* Outputting to the filesystem
+* Use a formatter
+* Returning the correct exit code
+
+This object may not:
+
+* Call `process.exit()` directly
+* Perform any asynchronous operations
+
+## The `CLIEngine` object
+
+The `CLIEngine` type represents the core functionality of the CLI except that it reads nothing from the command line and doesn't output anything by default. Instead, it accepts many (but not all) of the arguments that are passed into the CLI. It reads both configuration and source files as well as managing the environment that is passed into the `Linter` object.
+
+The main method of the `CLIEngine` is `executeOnFiles()`, which accepts an array of file and directory names to run the linter on.
+
+This object's responsibilities include:
+
+* Managing the execution environment for `Linter`
+* Reading from the file system
+* Reading configuration information from config files (including `.eslintrc` and `package.json`)
+
+This object may not:
+
+* Call `process.exit()` directly
+* Perform any asynchronous operations
+* Output to the console
+* Use formatters
+
+## The `Linter` object
+
+The main method of the `Linter` object is `verify()` and accepts two arguments: the source text to verify and a configuration object (the baked configuration of the given configuration file plus command line options). The method first parses the given text with `espree` (or whatever the configured parser is) and retrieves the AST. The AST is produced with both line/column and range locations which are useful for reporting location of issues and retrieving the source text related to an AST node, respectively.
+
+Once the AST is available, `estraverse` is used to traverse the AST from top to bottom. At each node, the `Linter` object emits an event that has the same name as the node type (i.e., "Identifier", "WithStatement", etc.). On the way back up the subtree, an event is emitted with the AST type name and suffixed with ":exit", such as "Identifier:exit" - this allows rules to take action both on the way down and on the way up in the traversal. Each event is emitted with the appropriate AST node available.
+
+This object's responsibilities include:
+
+* Inspecting JavaScript code strings
+* Creating an AST for the code
+* Executing rules on the AST
+* Reporting back the results of the execution
+
+This object may not:
+
+* Call `process.exit()` directly
+* Perform any asynchronous operations
+* Use Node.js-specific features
+* Access the file system
+* Call `console.log()` or any other similar method
+
+## Rules
+
+Individual rules are the most specialized part of the ESLint architecture. Rules can do very little, they are simply a set of instructions executed against an AST that is provided. They do get some context information passed in, but the primary responsibility of a rule is to inspect the AST and report warnings.
+
+These objects' responsibilities are:
+
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+* Reporting warnings when certain patterns are found
+
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+
+* Call `process.exit()` directly
+* Perform any asynchronous operations
+* Use Node.js-specific features
+* Access the file system
+* Call `console.log()` or any other similar method
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index 0000000..3b0c74c
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stroke-width: 1.0;"/><!--link ESLint to CLI--><path d="M316.75,95.031 L317.0131,95.1275 L312.5652,104.8308 L309.6597,115.1001 L306.2519,125.185 L301.1925,134.6639 L298.322,144.946 L294.2193,154.7759 L291.087,164.962 " fill="none" style="stroke: #383838; stroke-width: 1.0; stroke-dasharray: 7.0,7.0;"/><polygon fill="#383838" points="289.338,169.729,289.3883,169.7778,290.61,168.2187,292.1266,166.9455,293.5472,165.5793,294.652,163.9068,296.1939,162.6582,296.1831,162.6347,295.1076,163.0046,294.0869,163.493,293.1045,164.0638,291.9905,164.3506,291.0607,165.0351,291.2282,165.1127,290.3947,163.9202,290.0501,162.9541,289.7652,162.0157,289.1332,160.9165,288.6838,159.9019,288.7065,159.9034,288.804,161.8666,289.0048,163.8367,289.1558,165.8035,289.402,167.7765,289.338,169.729" style="stroke: #383838; stroke-width: 1.0;"/><!--link ESLint to Init--><path d="M329.25,95.031 L329.5131,95.1275 L332.3975,104.8308 L336.8242,115.1001 L340.7487,125.185 L343.0216,134.6639 L347.4834,144.946 L350.713,154.7759 L354.913,164.962 " fill="none" style="stroke: #383838; 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+@startuml
+skinparam monochrome true
+skinparam handwritten true
+
+folder " bin " {
+    rectangle "eslint.js" as ESLint
+}
+
+folder " lib " {
+    rectangle "cli.js" as CLI
+    rectangle "api.js" as API
+    rectangle "init" as Init
+    rectangle "cli-engine" as CLIEngine
+    rectangle "linter" as Linter
+    rectangle "source-code" as SourceCode
+    rectangle "rule-tester" as RuleTester
+    rectangle "rules" as Rules
+
+    CLI ..> CLIEngine
+
+    API ..> Linter
+    API ..> CLIEngine
+    API ..> RuleTester
+    API ..> SourceCode
+
+    Init ..> Linter
+    Init ..> CLIEngine
+    Init ..> Rules
+
+    CLIEngine ..> Linter
+
+    RuleTester ..> Linter
+
+    Linter ..> Rules
+    Linter ..> SourceCode
+}
+
+ESLint ..> CLI
+ESLint ..> Init
+@enduml
+
+PlantUML version 1.2019.03(Sun Mar 10 11:04:44 UTC 2019)
+(GPL source distribution)
+Java Runtime: Java(TM) SE Runtime Environment
+JVM: Java HotSpot(TM) 64-Bit Server VM
+Java Version: 1.7.0_25-b15
+Operating System: Linux
+Default Encoding: UTF-8
+Language: en
+Country: US
+--></g></svg>
\ No newline at end of file
diff --git a/eslint/docs/developer-guide/code-conventions.md b/eslint/docs/developer-guide/code-conventions.md
new file mode 100644
index 0000000..3ee0228
--- /dev/null
+++ b/eslint/docs/developer-guide/code-conventions.md
@@ -0,0 +1,925 @@
+# Code Conventions
+
+Programming language style guides are important for the long-term maintainability of software. This guide is based on the [Code Conventions for the Java Programming Language](https://java.sun.com/docs/codeconv/) and [Douglas Crockford's Code Conventions for the JavaScript Programming Language](http://javascript.crockford.com/code.html). Modifications have been made due to my personal experience and preferences.
+
+## File Format
+
+Each file has this same basic format:
+
+```js
+/**
+ * @fileoverview Description of the file
+ * @author Your Name
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// require() statements
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+// private methods/data
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+// exported objects/methods
+module.exports = {
+
+};
+```
+
+The `@author` field gives you credit for having created the file.
+
+## Indentation
+
+Each indentation level is made up of four spaces. Do not use tabs.
+
+    // Good
+    if (true) {
+        doSomething();
+    }
+
+## Primitive Literals
+
+Strings should always use double quotes (never single quotes) and should always appear on a single line. Never use a slash to create a new line in a string.
+
+    // Good
+    var name = "Nicholas";
+
+    // Bad: Single quotes
+    var name = 'Nicholas';
+
+    // Bad: Wrapping to second line
+    var longString = "Here's the story, of a man \
+    named Brady.";
+
+Numbers should be written as decimal integers, e-notation integers, hexadecimal integers or floating-point decimals with at least one digit before and one digit after the decimal point. Never use octal literals.
+
+    // Good
+    var count = 10;
+
+    // Good
+    var price = 10.0;
+    var price = 10.00;
+
+    // Good
+    var num = 0xA2;
+
+    // Good
+    var num = 1e23;
+
+    // Bad: Hanging decimal point
+    var price = 10.;
+
+    // Bad: Leading decimal point
+    var price = .1;
+
+    // Bad: Octal (base 8) is deprecated
+    var num = 010;
+
+The special value `null` should be used only in the following situations:
+
+1. To initialize a variable that may later be assign an object value.
+1. To compare against an initialized variable that may or may not have an object value.
+1. To pass into a function where an object is expected.
+1. To return from a function where an object is expected.
+
+Examples:
+
+    // Good
+    var person = null;
+
+    // Good
+    function getPerson() {
+        if (condition) {
+            return new Person("Nicholas");
+        } else {
+            return null;
+        }
+    }
+
+    // Good
+    var person = getPerson();
+    if (person !== null){
+        doSomething();
+    }
+
+    // Bad: Testing against uninitialized variable
+    var person;
+    if (person != null){
+        doSomething();
+    }
+
+    // Bad: Testing to see if an argument was passed
+    function doSomething(arg1, arg2, arg3, arg4){
+        if (arg4 != null){
+            doSomethingElse();
+        }
+    }
+
+Never use the special value `undefined`. To see if a variable has been defined, use the `typeof` operator:
+
+    // Good
+    if (typeof variable == "undefined") {
+        // do something
+    }
+
+    // Bad: Using undefined literal
+    if (variable == undefined) {
+        // do something
+    }
+
+## Operator Spacing
+
+Operators with two operands must be preceded and followed by a single space to make the expression clear. Operators include assignments and logical operators.
+
+    // Good
+    var found = (values[i] === item);
+
+    // Good
+    if (found && (count > 10)) {
+        doSomething();
+    }
+
+    // Good
+    for (i = 0; i < count; i++) {
+        process(i);
+    }
+
+    // Bad: Missing spaces
+    var found = (values[i]===item);
+
+    // Bad: Missing spaces
+    if (found&&(count>10)) {
+        doSomething();
+    }
+
+    // Bad: Missing spaces
+    for (i=0; i<count; i++) {
+        process(i);
+    }
+
+## Parentheses Spacing
+
+When parentheses are used, there should be no whitespace immediately after the opening paren or immediately before the closing paren.
+
+    // Good
+    var found = (values[i] === item);
+
+    // Good
+    if (found && (count > 10)) {
+        doSomething();
+    }
+
+    // Good
+    for (i = 0; i < count; i++) {
+        process(i);
+    }
+
+    // Bad: Extra space after opening paren
+    var found = ( values[i] === item);
+
+    // Bad: Extra space before closing paren
+    if (found && (count > 10) ) {
+        doSomething();
+    }
+
+    // Bad: Extra space around argument
+    for (i = 0; i < count; i++) {
+        process( i );
+    }
+
+## Object Literals
+
+Object literals should have the following format:
+
+* The opening brace should be on the same line as the containing statement.
+* Each property-value pair should be indented one level with the first property appearing on the next line after the opening brace.
+* Each property-value pair should have an unquoted property name, followed by a colon (no space preceding it), followed by the value.
+* If the value is a function, it should wrap under the property name and should have a blank line both before and after the function.
+* Additional empty lines may be inserted to group related properties or otherwise improve readability.
+* The closing brace should be on a separate line.
+
+Examples:
+
+    // Good
+    var object = {
+
+        key1: value1,
+        key2: value2,
+
+        func: function() {
+            // do something
+        },
+
+        key3: value3
+    };
+
+    // Bad: Improper indentation
+    var object = {
+                    key1: value1,
+                    key2: value2
+                };
+
+    // Bad: Missing blank lines around function
+    var object = {
+
+        key1: value1,
+        key2: value2,
+        func: function() {
+            // do something
+        },
+        key3: value3
+    };
+
+When an object literal is passed to a function, the opening brace should be on the same line as if the value is a variable. All other formatting rules from above still apply.
+
+    // Good
+    doSomething({
+        key1: value1,
+        key2: value2
+    });
+
+    // Bad: All on one line
+    doSomething({ key1: value1, key2: value2 });
+
+## Comments
+
+Make frequent use of comments to aid others in understanding your code. Use comments when:
+
+* Code is difficult to understand.
+* The code might be mistaken for an error.
+* Browser-specific code is necessary but not obvious.
+* Documentation generation is necessary for an object, method, or property (use appropriate documentation comments).
+
+### Single-Line Comments
+
+Single-line comments should be used to document one line of code or a group of related lines of code. A single-line comment may be used in three ways:
+
+1. On a separate line, describing the code beneath it.
+1. At the end of a line, describing the code before it.
+1. On multiple lines, to comment out sections of code.
+
+When on a separate line, a single-line comment should be at the same indentation level as the code it describes and be preceded by a single line. Never use multiple single-line comments on consecutive lines, use a multi-line comment instead.
+
+    // Good
+    if (condition){
+
+        // if you made it here, then all security checks passed
+        allowed();
+    }
+
+    // Bad: No empty line preceding comment
+    if (condition){
+        // if you made it here, then all security checks passed
+        allowed();
+    }
+
+    // Bad: Wrong indentation
+    if (condition){
+
+    // if you made it here, then all security checks passed
+        allowed();
+    }
+
+    // Bad: This should be a multi-line comment
+    // This next piece of code is quite difficult, so let me explain.
+    // What you want to do is determine if the condition is true
+    // and only then allow the user in. The condition is calculated
+    // from several different functions and may change during the
+    // lifetime of the session.
+    if (condition){
+        // if you made it here, then all security checks passed
+        allowed();
+    }
+
+For single-line comments at the end of a line, ensure there is at least one indentation level between the end of the code and the beginning of the comment:
+
+    // Good
+    var result = something + somethingElse;    // somethingElse will never be null
+
+    // Bad: Not enough space between code and comment
+    var result = something + somethingElse;// somethingElse will never be null
+
+The only acceptable time to have multiple single-line comments on successive lines is to comment out large sections of code. Multi-line comments should not be used for this purpose.
+
+    // Good
+    // if (condition){
+    //    doSomething();
+    //    thenDoSomethingElse();
+    // }
+
+### Multi-Line Comments
+
+Multi-line comments should be used to document code that requires more explanation. Each multi-line comment should have at least three lines:
+
+1. The first line contains only the `/*` comment opening. No further text is allowed on this line.
+1. The next line(s) have a `*` aligned with the `*` in the first line. Text is allowed on these lines.
+1. The last line has the `*/` comment opening aligned with the preceding lines. No other text is allowed on this line.
+
+The first line of multi-comments should be indented to the same level as the code it describes. Each subsequent line should have the same indentation plus one space (for proper alignment of the `*` characters). Each multi-line comment should be preceded by one empty line.
+
+    // Good
+    if (condition){
+
+        /*
+         * if you made it here,
+         * then all security checks passed
+         */
+        allowed();
+    }
+
+    // Bad: No empty line preceding comment
+    if (condition){
+        /*
+         * if you made it here,
+         * then all security checks passed
+         */
+        allowed();
+    }
+
+    // Bad: Missing a space after asterisk
+    if (condition){
+
+        /*
+         *if you made it here,
+         *then all security checks passed
+         */
+        allowed();
+    }
+
+    // Bad: Wrong indentation
+    if (condition){
+
+    /*
+     * if you made it here,
+     * then all security checks passed
+     */
+        allowed();
+    }
+
+    // Bad: Don't use multi-line comments for trailing comments
+    var result = something + somethingElse;    /*somethingElse will never be null*/
+
+### Comment Annotations
+
+Comments may be used to annotate pieces of code with additional information. These annotations take the form of a single word followed by a colon. The acceptable annotations are:
+
+* `TODO` - indicates that the code is not yet complete. Information about the next steps should be included.
+* `HACK` - indicates that the code is using a shortcut. Information about why the hack is being used should be included. This may also indicate that it would be nice to come up with a better way to solve the problem.
+* `XXX` - indicates that the code is problematic and should be fixed as soon as possible.
+* `FIXME` - indicates that the code is problematic and should be fixed soon. Less important than `XXX`.
+* `REVIEW` - indicates that the code needs to be reviewed for potential changes.
+
+These annotations may be used with either single-line or multi-line comments and should follow the same formatting rules as the general comment type. Examples:
+
+    // Good
+    // TODO: I'd like to find a way to make this faster
+    doSomething();
+
+    // Good
+    /*
+     * HACK: Have to do this for IE. I plan on revisiting in
+     * the future when I have more time. This probably should
+     * get replaced before v1.2.
+     */
+    if (document.all) {
+        doSomething();
+    }
+
+    // Good
+    // REVIEW: Is there a better way to do this?
+    if (document.all) {
+        doSomething();
+    }
+
+    // Bad: Annotation spacing is incorrect
+    // TODO : I'd like to find a way to make this faster
+    doSomething();
+
+    // Bad: Comment should be at the same indentation as code
+        // REVIEW: Is there a better way to do this?
+    if (document.all) {
+        doSomething();
+    }
+
+
+## Variable Declarations
+
+All variables should be declared before they are used. Variable declarations should take place at the beginning of a function using a single `var` statement with one variable per line. All lines after the first should be indented one level so the variable names line up. Variables should be initialized when declared if applicable and the equals operator should be at a consistent indentation level. Initialized variables should come first followed by uninitialized variables.
+
+    // Good
+    var count   = 10,
+        name    = "Nicholas",
+        found   = false,
+        empty;
+
+    // Bad: Improper initialization alignment
+    var count = 10,
+        name = "Nicholas",
+        found= false,
+        empty;
+
+    // Bad: Incorrect indentation
+    var count   = 10,
+    name    = "Nicholas",
+    found   = false,
+    empty;
+
+    // Bad: Multiple declarations on one line
+    var count   = 10, name = "Nicholas",
+        found   = false, empty;
+
+    // Bad: Uninitialized variables first
+    var empty,
+        count   = 10,
+        name    = "Nicholas",
+        found   = false;
+
+    // Bad: Multiple var statements
+    var count   = 10,
+        name    = "Nicholas";
+
+    var found   = false,
+        empty;
+
+Always declare variables. Implied globals should not be used.
+
+## Function Declarations
+
+Functions should be declared before they are used. When a function is not a method (not attached to an object) it should be defined using function declaration format (not function expression format nor using the `Function` constructor). There should be no space between the function name and the opening parentheses. There should be one space between the closing parentheses and the right brace. The right brace should be on the same line as the `function` keyword. There should be no space after the opening parentheses or before the closing parentheses. Named arguments should have a space after the comma but not before it. The function body should be indented one level.
+
+    // Good
+    function doSomething(arg1, arg2) {
+        return arg1 + arg2;
+    }
+
+    // Bad: Improper spacing of first line
+    function doSomething (arg1, arg2){
+        return arg1 + arg2;
+    }
+
+    // Bad: Function expression
+    var doSomething = function(arg1, arg2) {
+        return arg1 + arg2;
+    };
+
+    // Bad: Left brace on wrong line
+    function doSomething(arg1, arg2)
+    {
+        return arg1 + arg2;
+    }
+
+    // Bad: Using Function constructor
+    var doSomething = new Function("arg1", "arg2", "return arg1 + arg2");
+
+Functions declared inside of other functions should be declared immediately after the `var` statement.
+
+    // Good
+    function outer() {
+
+        var count   = 10,
+            name    = "Nicholas",
+            found   = false,
+            empty;
+
+        function inner() {
+            // code
+        }
+
+        // code that uses inner()
+    }
+
+    // Bad: Inner function declared before variables
+    function outer() {
+
+        function inner() {
+            // code
+        }
+
+        var count   = 10,
+            name    = "Nicholas",
+            found   = false,
+            empty;
+
+        // code that uses inner()
+    }
+
+Anonymous functions may be used for assignment of object methods or as arguments to other functions. There should be no space between the `function` keyword and the opening parentheses.
+
+    // Good
+    object.method = function() {
+        // code
+    };
+
+    // Bad: Incorrect spacing
+    object.method = function () {
+        // code
+    };
+
+Immediately-invoked functions should surround the entire function call with parentheses.
+
+    // Good
+    var value = (function() {
+
+        // function body
+
+        return {
+            message: "Hi"
+        }
+    }());
+
+    // Bad: No parentheses around function call
+    var value = function() {
+
+        // function body
+
+        return {
+            message: "Hi"
+        }
+    }();
+
+    // Bad: Improper parentheses placement
+    var value = (function() {
+
+        // function body
+
+        return {
+            message: "Hi"
+        }
+    })();
+
+## Naming
+
+Care should be taken to name variables and functions properly. Names should be limited to alphanumeric characters and, in some cases, the underscore character. Do not use the dollar sign (`$`) or back slash (`\`) characters in any names.
+
+Variable names should be formatted in camel case with the first letter being lowercase and the first letter of each subsequent word being uppercase. The first word of a variable name should be a noun (not a verb) to avoid confusion with functions. Do not use underscore for variable names.
+
+    // Good
+    var accountNumber = "8401-1";
+
+    // Bad: Begins with uppercase letter
+    var AccountNumber = "8401-1";
+
+    // Bad: Begins with verb
+    var getAccountNumber = "8401-1";
+
+    // Bad: Uses underscore
+    var account_number = "8401-1";
+
+Function names should also be formatted using camel case. The first word of a function name should be a verb (not a noun) to avoid confusion with variables. Do not use underscore for function names.
+
+    // Good
+    function doSomething() {
+        // code
+    }
+
+    // Bad: Begins with uppercase letter
+    function DoSomething() {
+        // code
+    }
+
+    // Bad: Begins with noun
+    function car() {
+        // code
+    }
+
+    // Bad: Uses underscores
+    function do_something() {
+        // code
+    }
+
+Constructor functions, those functions used with the `new` operator to create new objects, should be formatted in camel case but must begin with an uppercase letter. Constructor function names should begin with a non-verb because `new` is the action of creating an object instance.
+
+    // Good
+    function MyObject() {
+        // code
+    }
+
+    // Bad: Begins with lowercase letter
+    function myObject() {
+        // code
+    }
+
+    // Bad: Uses underscores
+    function My_Object() {
+        // code
+    }
+
+    // Bad: Begins with verb
+    function getMyObject() {
+        // code
+    }
+
+Variables that act as constants (values that won't be changed) should be formatted using all uppercase letters with words separated by a single underscore.
+
+    // Good
+    var TOTAL_COUNT = 10;
+
+    // Bad: Camel case
+    var totalCount = 10;
+
+    // Bad: Mixed case
+    var total_COUNT = 10;
+
+Object properties follow the same naming conventions as variables. Object methods follow the same naming conventions as functions. If a property or method is meant to be private, then it should be prefixed with an underscore character.
+
+    // Good
+    var object = {
+        _count: 10,
+
+        _getCount: function () {
+            return this._count;
+        }
+    };
+
+## Strict Mode
+
+Strict mode should be used in all modules, specified below the file overview comment and above everything else:
+
+    // Bad: Strict mode in functions
+    function doSomething() {
+        "use strict";
+
+        // code
+    }
+
+    // Bad: Strict mode in global scope and redundant strict mode directive in function
+    "use strict";       // This one is good
+
+    function doSomething() {
+        "use strict";   // This one is bad
+
+        // code
+    }
+
+    // Good: Global strict mode
+    "use strict";
+
+    function doSomething() {
+        // no "use strict" here
+
+        // code
+    }
+
+## Assignments
+
+When assigning a value to a variable, use parentheses around a right-side expression that contains a comparison.
+
+    // Good
+    var flag = (i < count);
+
+    // Bad: Missing parentheses
+    var flag = i < count;
+
+## Equality Operators
+
+Use `===` and `!==` instead of `==` and `!=`. This avoids type coercion errors.
+
+    // Good
+    var same = (a === b);
+
+    // Bad: Using ==
+    var same = (a == b);
+
+## Ternary Operator
+
+The ternary operator should be used only for assigning values conditionally and never as a shortcut for an `if` statement.
+
+    // Good
+    var value = condition ? value1 : value2;
+
+    // Bad: no assignment, should be an if statement
+    condition ? doSomething() : doSomethingElse();
+
+## Statements
+
+### Simple Statements
+
+Each line should contain at most one statement. All simple statements should end with a semicolon (`;`).
+
+    // Good
+    count++;
+    a = b;
+
+    // Bad: Multiple statements on one line
+    count++; a = b;
+
+### return Statement
+
+A return statement with a value should not use parentheses unless they make the return value more obvious in some way. Example:
+
+    return;
+
+    return collection.size();
+
+    return (size > 0 ? size : defaultSize);
+
+### Compound Statements
+
+Compound statements are lists of statements enclosed inside of braces.
+
+* The enclosed statements should be indented one more level than the compound statement.
+* The opening brace should be at the end of the line that begins the compound statement; the closing brace should begin a line and be indented to the beginning of the compound statement.
+* Braces are used around all statements, even single statements, when they are part of a control structure, such as a `if` or `for` statement. This makes it easier to add statements without accidentally introducing bugs due to forgetting to add braces.
+* The statement beginning keyword, such as `if`, should be followed by one space and the opening brace should be preceded by a space.
+
+### if Statement
+
+The `if` class of statements should have the following form:
+
+    if (condition) {
+        statements
+    }
+
+    if (condition) {
+        statements
+    } else {
+        statements
+    }
+
+    if (condition) {
+        statements
+    } else if (condition) {
+        statements
+    } else {
+        statements
+    }
+
+It is never permissible to omit the braces in any part of an `if` statement.
+
+    // Good
+    if (condition) {
+        doSomething();
+    }
+
+    // Bad: Improper spacing
+    if(condition){
+        doSomething();
+    }
+
+    // Bad: Missing braces
+    if (condition)
+        doSomething();
+
+    // Bad: All on one line
+    if (condition) { doSomething(); }
+
+    // Bad: All on one line without braces
+    if (condition) doSomething();
+
+### for Statement
+
+The `for` class of statements should have the following form:
+
+    for (initialization; condition; update) {
+        statements
+    }
+
+    for (variable in object) {
+        statements
+    }
+
+Variables should not be declared in the initialization section of a `for` statement.
+
+    // Good
+    var i,
+        len;
+
+    for (i=0, len=10; i < len; i++) {
+        // code
+    }
+
+    // Bad: Variables declared during initialization
+    for (var i=0, len=10; i < len; i++) {
+        // code
+    }
+
+    // Bad: Variables declared during initialization
+    for (var prop in object) {
+        // code
+    }
+
+When using a `for-in` statement, double-check whether or not you need to use `hasOwnProperty()` to filter out object members.
+
+### while Statement
+
+The `while` class of statements should have the following form:
+
+    while (condition) {
+        statements
+    }
+
+### do Statement
+
+The `do` class of statements should have the following form:
+
+    do {
+        statements
+    } while (condition);
+
+Note the use of a semicolon as the final part of this statement. There should be a space before and after the `while` keyword.
+
+### switch Statement
+
+The `switch` class of statements should have the following form:
+
+    switch (expression) {
+        case expression:
+            statements
+
+        default:
+            statements
+    }
+
+Each `case` is indented one level under the `switch`. Each `case` after the first, including `default`, should be preceded by a single empty line.
+
+Each group of statements (except the default) should end with `break`, `return`, `throw`, or a comment indicating fall through.
+
+    // Good
+    switch (value) {
+        case 1:
+            /* falls through */
+
+        case 2:
+            doSomething();
+            break;
+
+        case 3:
+            return true;
+
+        default:
+            throw new Error("This shouldn't happen.);
+    }
+
+If a `switch` doesn't have a `default` case, then it should be indicated with a comment.
+
+    // Good
+    switch (value) {
+        case 1:
+            /*falls through*/
+
+        case 2:
+            doSomething();
+            break;
+
+        case 3:
+            return true;
+
+        // no default
+    }
+
+### try Statement
+
+The `try` class of statements should have the following form:
+
+    try {
+        statements
+    } catch (variable) {
+        statements
+    }
+
+    try {
+        statements
+    } catch (variable) {
+        statements
+    } finally {
+        statements
+    }
+
+## Whitespace
+
+Blank lines improve readability by setting off sections of code that are logically related.
+
+Two blank lines should always be used in the following circumstances:
+
+* Between sections of a source file
+* Between class and interface definitions
+
+One blank line should always be used in the following circumstances:
+
+* Between methods
+* Between the local variables in a method and its first statement
+* Before a multi-line or single-line comment
+* Between logical sections inside a method to improve readability
+
+Blank spaces should be used in the following circumstances:
+
+* A keyword followed by a parenthesis should be separated by a space.
+* A blank space should appear after commas in argument lists.
+* All binary operators except dot (`.`) should be separated from their operands by spaces. Blank spaces should never separate unary operators such as unary minus, increment (`++`), and decrement (`--`) from their operands.
+* The expressions in a `for` statement should be separated by blank spaces. Blank spaces should only be used after semicolons, not before.
+
+## Things to Avoid
+
+* Never use the primitive wrapper types, such as `String`, to create new objects.
+* Never use `eval()`.
+* Never use the `with` statement. This statement isn't available in strict mode and likely won't be available in future ECMAScript editions.
diff --git a/eslint/docs/developer-guide/code-path-analysis.md b/eslint/docs/developer-guide/code-path-analysis.md
new file mode 100644
index 0000000..7762bc5
--- /dev/null
+++ b/eslint/docs/developer-guide/code-path-analysis.md
@@ -0,0 +1,551 @@
+# Code Path Analysis Details
+
+ESLint's rules can use code paths.
+The code path is execution routes of programs.
+It forks/joins at such as `if` statements.
+
+```js
+if (a && b) {
+    foo();
+}
+bar();
+```
+
+![Code Path Example](./code-path-analysis/helo.svg)
+
+## Objects
+
+Program is expressed with several code paths.
+A code path is expressed with objects of two kinds: `CodePath` and `CodePathSegment`.
+
+### `CodePath`
+
+`CodePath` expresses whole of one code path.
+This object exists for each function and the global.
+This has references of both the initial segment and the final segments of a code path.
+
+`CodePath` has the following properties:
+
+* `id` (`string`) - A unique string. Respective rules can use `id` to save additional information for each code path.
+* `initialSegment` (`CodePathSegment`) - The initial segment of this code path.
+* `finalSegments` (`CodePathSegment[]`) - The final segments which includes both returned and thrown.
+* `returnedSegments` (`CodePathSegment[]`) - The final segments which includes only returned.
+* `thrownSegments` (`CodePathSegment[]`) - The final segments which includes only thrown.
+* `currentSegments` (`CodePathSegment[]`) - Segments of the current position.
+* `upper` (`CodePath|null`) - The code path of the upper function/global scope.
+* `childCodePaths` (`CodePath[]`) - Code paths of functions this code path contains.
+
+### `CodePathSegment`
+
+`CodePathSegment` is a part of a code path.
+A code path is expressed with plural `CodePathSegment` objects, it's similar to doubly linked list.
+Difference from doubly linked list is what there are forking and merging (the next/prev are plural).
+
+`CodePathSegment` has the following properties:
+
+* `id` (`string`) - A unique string. Respective rules can use `id` to save additional information for each segment.
+* `nextSegments` (`CodePathSegment[]`) - The next segments. If forking, there are two or more. If final, there is nothing.
+* `prevSegments` (`CodePathSegment[]`) - The previous segments. If merging, there are two or more. If initial, there is nothing.
+* `reachable` (`boolean`) - A flag which shows whether or not it's reachable. This becomes `false` when preceded by `return`, `throw`, `break`, or `continue`.
+
+## Events
+
+There are five events related to code paths, and you can define event handlers in rules.
+
+```js
+module.exports = function(context) {
+    return {
+        /**
+         * This is called at the start of analyzing a code path.
+         * In this time, the code path object has only the initial segment.
+         *
+         * @param {CodePath} codePath - The new code path.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathStart": function(codePath, node) {
+            // do something with codePath
+        },
+
+        /**
+         * This is called at the end of analyzing a code path.
+         * In this time, the code path object is complete.
+         *
+         * @param {CodePath} codePath - The completed code path.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathEnd": function(codePath, node) {
+            // do something with codePath
+        },
+
+        /**
+         * This is called when a code path segment was created.
+         * It meant the code path is forked or merged.
+         * In this time, the segment has the previous segments and has been
+         * judged reachable or not.
+         *
+         * @param {CodePathSegment} segment - The new code path segment.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentStart": function(segment, node) {
+            // do something with segment
+        },
+
+        /**
+         * This is called when a code path segment was leaved.
+         * In this time, the segment does not have the next segments yet.
+         *
+         * @param {CodePathSegment} segment - The leaved code path segment.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentEnd": function(segment, node) {
+            // do something with segment
+        },
+
+        /**
+         * This is called when a code path segment was looped.
+         * Usually segments have each previous segments when created,
+         * but when looped, a segment is added as a new previous segment into a
+         * existing segment.
+         *
+         * @param {CodePathSegment} fromSegment - A code path segment of source.
+         * @param {CodePathSegment} toSegment - A code path segment of destination.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentLoop": function(fromSegment, toSegment, node) {
+            // do something with segment
+        }
+    };
+};
+```
+
+### About `onCodePathSegmentLoop`
+
+This event is always fired when the next segment has existed already.
+That timing is the end of loops mainly.
+
+For Example 1:
+
+```js
+while (a) {
+    a = foo();
+}
+bar();
+```
+
+1. First, the analysis advances to the end of loop.
+
+   ![Loop Event's Example 1](./code-path-analysis/loop-event-example-while-1.svg)
+
+2. Second, it creates the looping path.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 2](./code-path-analysis/loop-event-example-while-2.svg)
+
+3. Last, it advances to the end.
+
+   ![Loop Event's Example 3](./code-path-analysis/loop-event-example-while-3.svg)
+
+For example 2:
+
+```js
+for (let i = 0; i < 10; ++i) {
+    foo(i);
+}
+bar();
+```
+
+1. `for` statements are more complex.
+   First, the analysis advances to `ForStatement.update`.
+   The `update` segment is hovered at first.
+
+   ![Loop Event's Example 1](./code-path-analysis/loop-event-example-for-1.svg)
+
+2. Second, it advances to `ForStatement.body`.
+   Of course the `body` segment is preceded by the `test` segment.
+   It keeps the `update` segment hovering.
+
+   ![Loop Event's Example 2](./code-path-analysis/loop-event-example-for-2.svg)
+
+3. Third, it creates the looping path from `body` segment to `update` segment.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 3](./code-path-analysis/loop-event-example-for-3.svg)
+
+4. Fourth, also it creates the looping path from `update` segment to `test` segment.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 4](./code-path-analysis/loop-event-example-for-4.svg)
+
+5. Last, it advances to the end.
+
+   ![Loop Event's Example 5](./code-path-analysis/loop-event-example-for-5.svg)
+
+
+
+## Usage Examples
+
+### To check whether or not this is reachable
+
+```js
+var last = require("lodash").last;
+
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+module.exports = function(context) {
+    var codePathStack = [];
+
+    return {
+        // Stores CodePath objects.
+        "onCodePathStart": function(codePath) {
+            codePathStack.push(codePath);
+        },
+        "onCodePathEnd": function(codePath) {
+            codePathStack.pop();
+        },
+
+        // Checks reachable or not.
+        "ExpressionStatement": function(node) {
+            var codePath = last(codePathStack);
+
+            // Checks the current code path segments.
+            if (!codePath.currentSegments.some(isReachable)) {
+                context.report({message: "Unreachable!", node: node});
+            }
+        }
+    };
+};
+```
+
+See Also:
+[no-unreachable](https://github.com/eslint/eslint/blob/master/lib/rules/no-unreachable.js),
+[no-fallthrough](https://github.com/eslint/eslint/blob/master/lib/rules/no-fallthrough.js),
+[consistent-return](https://github.com/eslint/eslint/blob/master/lib/rules/consistent-return.js)
+
+### To check state of a code path
+
+This example is checking whether or not the parameter `cb` is called in every path.
+Instances of `CodePath` and `CodePathSegment` are shared to every rule.
+So a rule must not modify those instances.
+Please use a map of information instead.
+
+```js
+var last = require("lodash").last;
+
+function hasCb(node, context) {
+    if (node.type.indexOf("Function") !== -1) {
+        return context.getDeclaredVariables(node).some(function(v) {
+            return v.type === "Parameter" && v.name === "cb";
+        });
+    }
+    return false;
+}
+
+function isCbCalled(info) {
+    return info.cbCalled;
+}
+
+module.exports = function(context) {
+    var funcInfoStack = [];
+    var segmentInfoMap = Object.create(null);
+
+    return {
+        // Checks `cb`.
+        "onCodePathStart": function(codePath, node) {
+            funcInfoStack.push({
+                codePath: codePath,
+                hasCb: hasCb(node, context)
+            });
+        },
+        "onCodePathEnd": function(codePath, node) {
+            funcInfoStack.pop();
+
+            // Checks `cb` was called in every paths.
+            var cbCalled = codePath.finalSegments.every(function(segment) {
+                var info = segmentInfoMap[segment.id];
+                return info.cbCalled;
+            });
+
+            if (!cbCalled) {
+                context.report({
+                    message: "`cb` should be called in every path.",
+                    node: node
+                });
+            }
+        },
+
+        // Manages state of code paths.
+        "onCodePathSegmentStart": function(segment) {
+            // Ignores if `cb` doesn't exist.
+            if (!last(funcInfoStack).hasCb) {
+                return;
+            }
+
+            // Initialize state of this path.
+            var info = segmentInfoMap[segment.id] = {
+                cbCalled: false
+            };
+
+            // If there are the previous paths, merges state.
+            // Checks `cb` was called in every previous path.
+            if (segment.prevSegments.length > 0) {
+                info.cbCalled = segment.prevSegments.every(isCbCalled);
+            }
+        },
+
+        // Checks reachable or not.
+        "CallExpression": function(node) {
+            var funcInfo = last(funcInfoStack);
+
+            // Ignores if `cb` doesn't exist.
+            if (!funcInfo.hasCb) {
+                return;
+            }
+
+            // Sets marks that `cb` was called.
+            var callee = node.callee;
+            if (callee.type === "Identifier" && callee.name === "cb") {
+                funcInfo.codePath.currentSegments.forEach(function(segment) {
+                    var info = segmentInfoMap[segment.id];
+                    info.cbCalled = true;
+                });
+            }
+        }
+    };
+};
+```
+
+See Also:
+[constructor-super](https://github.com/eslint/eslint/blob/master/lib/rules/constructor-super.js),
+[no-this-before-super](https://github.com/eslint/eslint/blob/master/lib/rules/no-this-before-super.js)
+
+## Code Path Examples
+
+### Hello World
+
+```js
+console.log("Hello world!");
+```
+
+![Hello World](./code-path-analysis/example-hello-world.svg)
+
+### `IfStatement`
+
+```js
+if (a) {
+    foo();
+} else {
+    bar();
+}
+```
+
+![`IfStatement`](./code-path-analysis/example-ifstatement.svg)
+
+### `IfStatement` (chain)
+
+```js
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (c) {
+    hoge();
+}
+```
+
+![`IfStatement` (chain)](./code-path-analysis/example-ifstatement-chain.svg)
+
+### `SwitchStatement`
+
+```js
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        // fallthrough
+
+    case 3:
+        hoge();
+        break;
+}
+```
+
+![`SwitchStatement`](./code-path-analysis/example-switchstatement.svg)
+
+### `SwitchStatement` (has `default`)
+
+```js
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        // fallthrough
+
+    case 3:
+        hoge();
+        break;
+
+    default:
+        fuga();
+        break;
+}
+```
+
+![`SwitchStatement` (has `default`)](./code-path-analysis/example-switchstatement-has-default.svg)
+
+### `TryStatement` (try-catch)
+
+```js
+try {
+    foo();
+    if (a) {
+        throw new Error();
+    }
+    bar();
+} catch (err) {
+    hoge(err);
+}
+last();
+```
+
+It creates the paths from `try` block to `catch` block at:
+
+* `throw` statements.
+* The first throwable node (e.g. a function call) in the `try` block.
+* The end of the `try` block.
+
+![`TryStatement` (try-catch)](./code-path-analysis/example-trystatement-try-catch.svg)
+
+### `TryStatement` (try-finally)
+
+```js
+try {
+    foo();
+    bar();
+} finally {
+    fuga();
+}
+last();
+```
+
+If there is not `catch` block, `finally` block has two current segments.
+At this time, `CodePath.currentSegments.length` is `2`.
+One is the normal path, and another is the leaving path (`throw` or `return`).
+
+![`TryStatement` (try-finally)](./code-path-analysis/example-trystatement-try-finally.svg)
+
+### `TryStatement` (try-catch-finally)
+
+```js
+try {
+    foo();
+    bar();
+} catch (err) {
+    hoge(err);
+} finally {
+    fuga();
+}
+last();
+```
+
+![`TryStatement` (try-catch-finally)](./code-path-analysis/example-trystatement-try-catch-finally.svg)
+
+### `WhileStatement`
+
+```js
+while (a) {
+    foo();
+    if (b) {
+        continue;
+    }
+    bar();
+}
+```
+
+![`WhileStatement`](./code-path-analysis/example-whilestatement.svg)
+
+### `DoWhileStatement`
+
+```js
+do {
+    foo();
+    bar();
+} while (a);
+```
+
+![`DoWhileStatement`](./code-path-analysis/example-dowhilestatement.svg)
+
+### `ForStatement`
+
+```js
+for (let i = 0; i < 10; ++i) {
+    foo();
+    if (b) {
+        break;
+    }
+    bar();
+}
+```
+
+![`ForStatement`](./code-path-analysis/example-forstatement.svg)
+
+### `ForStatement` (for ever)
+
+```js
+for (;;) {
+    foo();
+}
+bar();
+```
+
+![`ForStatement` (for ever)](./code-path-analysis/example-forstatement-for-ever.svg)
+
+### `ForInStatement`
+
+```js
+for (let key in obj) {
+    foo(key);
+}
+```
+
+![`ForInStatement`](./code-path-analysis/example-forinstatement.svg)
+
+### When there is a function
+
+```js
+function foo(a) {
+    if (a) {
+        return;
+    }
+    bar();
+}
+
+foo(false);
+```
+
+It creates two code paths.
+
+* The global's
+
+  ![When there is a function](./code-path-analysis/example-when-there-is-a-function-g.svg)
+
+* The function's
+
+  ![When there is a function](./code-path-analysis/example-when-there-is-a-function-f.svg)
diff --git a/eslint/docs/developer-guide/code-path-analysis/README.md b/eslint/docs/developer-guide/code-path-analysis/README.md
new file mode 100644
index 0000000..c283d51
--- /dev/null
+++ b/eslint/docs/developer-guide/code-path-analysis/README.md
@@ -0,0 +1,551 @@
+# Code Path Analysis Details
+
+ESLint's rules can use code paths.
+The code path is execution routes of programs.
+It forks/joins at such as `if` statements.
+
+```js
+if (a && b) {
+    foo();
+}
+bar();
+```
+
+![Code Path Example](./helo.svg)
+
+## Objects
+
+Program is expressed with several code paths.
+A code path is expressed with objects of two kinds: `CodePath` and `CodePathSegment`.
+
+### `CodePath`
+
+`CodePath` expresses whole of one code path.
+This object exists for each function and the global.
+This has references of both the initial segment and the final segments of a code path.
+
+`CodePath` has the following properties:
+
+* `id` (`string`) - A unique string. Respective rules can use `id` to save additional information for each code path.
+* `initialSegment` (`CodePathSegment`) - The initial segment of this code path.
+* `finalSegments` (`CodePathSegment[]`) - The final segments which includes both returned and thrown.
+* `returnedSegments` (`CodePathSegment[]`) - The final segments which includes only returned.
+* `thrownSegments` (`CodePathSegment[]`) - The final segments which includes only thrown.
+* `currentSegments` (`CodePathSegment[]`) - Segments of the current position.
+* `upper` (`CodePath|null`) - The code path of the upper function/global scope.
+* `childCodePaths` (`CodePath[]`) - Code paths of functions this code path contains.
+
+### `CodePathSegment`
+
+`CodePathSegment` is a part of a code path.
+A code path is expressed with plural `CodePathSegment` objects, it's similar to doubly linked list.
+Difference from doubly linked list is what there are forking and merging (the next/prev are plural).
+
+`CodePathSegment` has the following properties:
+
+* `id` (`string`) - A unique string. Respective rules can use `id` to save additional information for each segment.
+* `nextSegments` (`CodePathSegment[]`) - The next segments. If forking, there are two or more. If final, there is nothing.
+* `prevSegments` (`CodePathSegment[]`) - The previous segments. If merging, there are two or more. If initial, there is nothing.
+* `reachable` (`boolean`) - A flag which shows whether or not it's reachable. This becomes `false` when preceded by `return`, `throw`, `break`, or `continue`.
+
+## Events
+
+There are five events related to code paths, and you can define event handlers in rules.
+
+```js
+module.exports = function(context) {
+    return {
+        /**
+         * This is called at the start of analyzing a code path.
+         * In this time, the code path object has only the initial segment.
+         *
+         * @param {CodePath} codePath - The new code path.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathStart": function(codePath, node) {
+            // do something with codePath
+        },
+
+        /**
+         * This is called at the end of analyzing a code path.
+         * In this time, the code path object is complete.
+         *
+         * @param {CodePath} codePath - The completed code path.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathEnd": function(codePath, node) {
+            // do something with codePath
+        },
+
+        /**
+         * This is called when a code path segment was created.
+         * It meant the code path is forked or merged.
+         * In this time, the segment has the previous segments and has been
+         * judged reachable or not.
+         *
+         * @param {CodePathSegment} segment - The new code path segment.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentStart": function(segment, node) {
+            // do something with segment
+        },
+
+        /**
+         * This is called when a code path segment was leaved.
+         * In this time, the segment does not have the next segments yet.
+         *
+         * @param {CodePathSegment} segment - The leaved code path segment.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentEnd": function(segment, node) {
+            // do something with segment
+        },
+
+        /**
+         * This is called when a code path segment was looped.
+         * Usually segments have each previous segments when created,
+         * but when looped, a segment is added as a new previous segment into a
+         * existing segment.
+         *
+         * @param {CodePathSegment} fromSegment - A code path segment of source.
+         * @param {CodePathSegment} toSegment - A code path segment of destination.
+         * @param {ASTNode} node - The current node.
+         * @returns {void}
+         */
+        "onCodePathSegmentLoop": function(fromSegment, toSegment, node) {
+            // do something with segment
+        }
+    };
+};
+```
+
+### About `onCodePathSegmentLoop`
+
+This event is always fired when the next segment has existed already.
+That timing is the end of loops mainly.
+
+For Example 1:
+
+```js
+while (a) {
+    a = foo();
+}
+bar();
+```
+
+1. First, the analysis advances to the end of loop.
+
+   ![Loop Event's Example 1](./loop-event-example-while-1.svg)
+
+2. Second, it creates the looping path.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 2](./loop-event-example-while-2.svg)
+
+3. Last, it advances to the end.
+
+   ![Loop Event's Example 3](./loop-event-example-while-3.svg)
+
+For example 2:
+
+```js
+for (let i = 0; i < 10; ++i) {
+    foo(i);
+}
+bar();
+```
+
+1. `for` statements are more complex.
+   First, the analysis advances to `ForStatement.update`.
+   The `update` segment is hovered at first.
+
+   ![Loop Event's Example 1](./loop-event-example-for-1.svg)
+
+2. Second, it advances to `ForStatement.body`.
+   Of course the `body` segment is preceded by the `test` segment.
+   It keeps the `update` segment hovering.
+
+   ![Loop Event's Example 2](./loop-event-example-for-2.svg)
+
+3. Third, it creates the looping path from `body` segment to `update` segment.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 3](./loop-event-example-for-3.svg)
+
+4. Fourth, also it creates the looping path from `update` segment to `test` segment.
+   At this time, the next segment has existed already, so the `onCodePathSegmentStart` event is not fired.
+   It fires `onCodePathSegmentLoop` instead.
+
+   ![Loop Event's Example 4](./loop-event-example-for-4.svg)
+
+5. Last, it advances to the end.
+
+   ![Loop Event's Example 5](./loop-event-example-for-5.svg)
+
+
+
+## Usage Examples
+
+### To check whether or not this is reachable
+
+```js
+var last = require("lodash").last;
+
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+module.exports = function(context) {
+    var codePathStack = [];
+
+    return {
+        // Stores CodePath objects.
+        "onCodePathStart": function(codePath) {
+            codePathStack.push(codePath);
+        },
+        "onCodePathEnd": function(codePath) {
+            codePathStack.pop();
+        },
+
+        // Checks reachable or not.
+        "ExpressionStatement": function(node) {
+            var codePath = last(codePathStack);
+
+            // Checks the current code path segments.
+            if (!codePath.currentSegments.some(isReachable)) {
+                context.report({message: "Unreachable!", node: node});
+            }
+        }
+    };
+};
+```
+
+See Also:
+[no-unreachable](https://github.com/eslint/eslint/blob/master/lib/rules/no-unreachable.js),
+[no-fallthrough](https://github.com/eslint/eslint/blob/master/lib/rules/no-fallthrough.js),
+[consistent-return](https://github.com/eslint/eslint/blob/master/lib/rules/consistent-return.js)
+
+### To check state of a code path
+
+This example is checking whether or not the parameter `cb` is called in every path.
+Instances of `CodePath` and `CodePathSegment` are shared to every rule.
+So a rule must not modify those instances.
+Please use a map of information instead.
+
+```js
+var last = require("lodash").last;
+
+function hasCb(node, context) {
+    if (node.type.indexOf("Function") !== -1) {
+        return context.getDeclaredVariables(node).some(function(v) {
+            return v.type === "Parameter" && v.name === "cb";
+        });
+    }
+    return false;
+}
+
+function isCbCalled(info) {
+    return info.cbCalled;
+}
+
+module.exports = function(context) {
+    var funcInfoStack = [];
+    var segmentInfoMap = Object.create(null);
+
+    return {
+        // Checks `cb`.
+        "onCodePathStart": function(codePath, node) {
+            funcInfoStack.push({
+                codePath: codePath,
+                hasCb: hasCb(node, context)
+            });
+        },
+        "onCodePathEnd": function(codePath, node) {
+            funcInfoStack.pop();
+
+            // Checks `cb` was called in every paths.
+            var cbCalled = codePath.finalSegments.every(function(segment) {
+                var info = segmentInfoMap[segment.id];
+                return info.cbCalled;
+            });
+
+            if (!cbCalled) {
+                context.report({
+                    message: "`cb` should be called in every path.",
+                    node: node
+                });
+            }
+        },
+
+        // Manages state of code paths.
+        "onCodePathSegmentStart": function(segment) {
+            // Ignores if `cb` doesn't exist.
+            if (!last(funcInfoStack).hasCb) {
+                return;
+            }
+
+            // Initialize state of this path.
+            var info = segmentInfoMap[segment.id] = {
+                cbCalled: false
+            };
+
+            // If there are the previous paths, merges state.
+            // Checks `cb` was called in every previous path.
+            if (segment.prevSegments.length > 0) {
+                info.cbCalled = segment.prevSegments.every(isCbCalled);
+            }
+        },
+
+        // Checks reachable or not.
+        "CallExpression": function(node) {
+            var funcInfo = last(funcInfoStack);
+
+            // Ignores if `cb` doesn't exist.
+            if (!funcInfo.hasCb) {
+                return;
+            }
+
+            // Sets marks that `cb` was called.
+            var callee = node.callee;
+            if (callee.type === "Identifier" && callee.name === "cb") {
+                funcInfo.codePath.currentSegments.forEach(function(segment) {
+                    var info = segmentInfoMap[segment.id];
+                    info.cbCalled = true;
+                });
+            }
+        }
+    };
+};
+```
+
+See Also:
+[constructor-super](https://github.com/eslint/eslint/blob/master/lib/rules/constructor-super.js),
+[no-this-before-super](https://github.com/eslint/eslint/blob/master/lib/rules/no-this-before-super.js)
+
+## Code Path Examples
+
+### Hello World
+
+```js
+console.log("Hello world!");
+```
+
+![Hello World](./example-hello-world.svg)
+
+### `IfStatement`
+
+```js
+if (a) {
+    foo();
+} else {
+    bar();
+}
+```
+
+![`IfStatement`](./example-ifstatement.svg)
+
+### `IfStatement` (chain)
+
+```js
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (c) {
+    hoge();
+}
+```
+
+![`IfStatement` (chain)](./example-ifstatement-chain.svg)
+
+### `SwitchStatement`
+
+```js
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        // fallthrough
+
+    case 3:
+        hoge();
+        break;
+}
+```
+
+![`SwitchStatement`](./example-switchstatement.svg)
+
+### `SwitchStatement` (has `default`)
+
+```js
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        // fallthrough
+
+    case 3:
+        hoge();
+        break;
+
+    default:
+        fuga();
+        break;
+}
+```
+
+![`SwitchStatement` (has `default`)](./example-switchstatement-has-default.svg)
+
+### `TryStatement` (try-catch)
+
+```js
+try {
+    foo();
+    if (a) {
+        throw new Error();
+    }
+    bar();
+} catch (err) {
+    hoge(err);
+}
+last();
+```
+
+It creates the paths from `try` block to `catch` block at:
+
+* `throw` statements.
+* The first throwable node (e.g. a function call) in the `try` block.
+* The end of the `try` block.
+
+![`TryStatement` (try-catch)](./example-trystatement-try-catch.svg)
+
+### `TryStatement` (try-finally)
+
+```js
+try {
+    foo();
+    bar();
+} finally {
+    fuga();
+}
+last();
+```
+
+If there is not `catch` block, `finally` block has two current segments.
+At this time, `CodePath.currentSegments.length` is `2`.
+One is the normal path, and another is the leaving path (`throw` or `return`).
+
+![`TryStatement` (try-finally)](./example-trystatement-try-finally.svg)
+
+### `TryStatement` (try-catch-finally)
+
+```js
+try {
+    foo();
+    bar();
+} catch (err) {
+    hoge(err);
+} finally {
+    fuga();
+}
+last();
+```
+
+![`TryStatement` (try-catch-finally)](./example-trystatement-try-catch-finally.svg)
+
+### `WhileStatement`
+
+```js
+while (a) {
+    foo();
+    if (b) {
+        continue;
+    }
+    bar();
+}
+```
+
+![`WhileStatement`](./example-whilestatement.svg)
+
+### `DoWhileStatement`
+
+```js
+do {
+    foo();
+    bar();
+} while (a);
+```
+
+![`DoWhileStatement`](./example-dowhilestatement.svg)
+
+### `ForStatement`
+
+```js
+for (let i = 0; i < 10; ++i) {
+    foo();
+    if (b) {
+        break;
+    }
+    bar();
+}
+```
+
+![`ForStatement`](./example-forstatement.svg)
+
+### `ForStatement` (for ever)
+
+```js
+for (;;) {
+    foo();
+}
+bar();
+```
+
+![`ForStatement` (for ever)](./example-forstatement-for-ever.svg)
+
+### `ForInStatement`
+
+```js
+for (let key in obj) {
+    foo(key);
+}
+```
+
+![`ForInStatement`](./example-forinstatement.svg)
+
+### When there is a function
+
+```js
+function foo(a) {
+    if (a) {
+        return;
+    }
+    bar();
+}
+
+foo(false);
+```
+
+It creates two code paths.
+
+* The global's
+
+  ![When there is a function](./example-when-there-is-a-function-g.svg)
+
+* The function's
+
+  ![When there is a function](./example-when-there-is-a-function-f.svg)
diff --git a/eslint/docs/developer-guide/code-path-analysis/example-dowhilestatement.svg b/eslint/docs/developer-guide/code-path-analysis/example-dowhilestatement.svg
new file mode 100644
index 0000000..4a3d528
--- /dev/null
+++ b/eslint/docs/developer-guide/code-path-analysis/example-dowhilestatement.svg
@@ -0,0 +1,100 @@
+<?xml version="1.0"?>
+<svg width="167pt" height="422pt" viewBox="0.00 0.00 167.00 422.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph1" class="graph" transform="scale(1 1) rotate(0) translate(4 418)">
+<title>_anonymous_0</title>
+
+<g id="node1" class="node"><title>initial</title>
+<ellipse fill="black" stroke="black" cx="74" cy="-405" rx="9" ry="9"></ellipse>
+</g>
+
+<g id="node3" class="node"><title>s1_1</title>
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+<path fill="none" stroke="black" d="M135.479,-347.602C135.479,-353.602 129.479,-359.602 123.479,-359.602"></path>
+<text text-anchor="middle" x="74" y="-343.2" font-family="Times,serif" font-size="14.00">Program</text>
+<text text-anchor="middle" x="74" y="-326.4" font-family="Times,serif" font-size="14.00">DoWhileStatement</text>
+</g>
+
+<g id="edge2" class="edge"><title>initial-&gt;s1_1</title>
+<path fill="none" stroke="black" d="M74,-395.894C74,-389.274 74,-379.485 74,-369.94"></path>
+<polygon fill="black" stroke="black" points="77.5001,-369.842 74,-359.842 70.5001,-369.842 77.5001,-369.842"></polygon>
+</g>
+
+<g id="node2" class="node"><title>final</title>
+<ellipse fill="black" stroke="black" cx="74" cy="-13" rx="9" ry="9"></ellipse>
+<ellipse fill="none" stroke="black" cx="74" cy="-13" rx="13" ry="13"></ellipse>
+</g>
+
+<g id="node4" class="node"><title>s1_2</title>
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index 0000000..26c4038
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new file mode 100644
index 0000000..88c2b6e
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+<text text-anchor="middle" x="162" y="-70.4" font-family="Times,serif" font-size="14.00">Program:exit</text>
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+<g id="edge11" class="edge"><title>s1_2-&gt;s1_14</title>
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+<text text-anchor="middle" x="162" y="-372" font-family="Times,serif" font-size="14.00">Identifier (bar)</text>
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+<text text-anchor="middle" x="272" y="-148.6" font-family="Times,serif" font-size="14.00">BreakStatement</text>
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+</g>
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diff --git a/eslint/docs/developer-guide/contributing/README.md b/eslint/docs/developer-guide/contributing/README.md
new file mode 100644
index 0000000..a22ea5d
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/README.md
@@ -0,0 +1,41 @@
+# Contributing
+
+One of the great things about open source projects is that anyone can contribute in any number of meaningful ways. ESLint couldn't exist without the help of the many contributors it's had since the project began, and we want you to feel like you can contribute and make a difference as well.
+
+This guide is intended for anyone who wants to contribute to an ESLint project. Please read it carefully as it answers a lot of the questions many newcomers have when first working with our projects.
+
+## Read the [Code of Conduct](https://js.foundation/community/code-of-conduct)
+
+ESLint welcomes contributions from everyone and adheres to the [JS Foundation Code of Conduct](https://js.foundation/community/code-of-conduct). We kindly request that you read over our code of conduct before contributing.
+
+## [Signing the CLA](https://js.foundation/CLA)
+
+In order to submit code or documentation to an ESLint project, you will need to electronically sign our [Contributor License Agreement](https://cla.js.foundation/eslint/eslint). The CLA is you giving us permission to use your contribution.
+
+## [Bug Reporting](reporting-bugs)
+
+Think you found a problem? We'd love to hear about it. This section explains how to submit a bug, the type of information we need to properly verify it, and the overall process.
+
+## Proposing a [New Rule](new-rules.md)
+
+We get a lot of proposals for new rules in ESLint. This section explains how we determine which rules are accepted and what information you should provide to help us evaluate your proposal.
+
+## Proposing a [Rule Change](rule-changes.md)
+
+Want to make a change to an existing rule? This section explains the process and how we evaluate such proposals.
+
+## Requesting a [Change](changes.md)
+
+If you'd like to request a change other than a bug fix or new rule, this section explains that process.
+
+## Reporting a security vulnerability
+
+To report a security vulnerability in ESLint, please use our [HackerOne program](https://hackerone.com/eslint).
+
+## [Working on Issues](working-on-issues.md)
+
+Have some extra time and want to contribute? This section talks about the process of working on issues.
+
+## Submitting a [Pull Request](pull-requests.md)
+
+We're always looking for contributions from the community. This section explains the requirements for pull requests and the process of contributing code.
diff --git a/eslint/docs/developer-guide/contributing/changes.md b/eslint/docs/developer-guide/contributing/changes.md
new file mode 100644
index 0000000..6b5f159
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/changes.md
@@ -0,0 +1,17 @@
+# Change Requests
+
+If you'd like to request a change to ESLint, please [create a new issue](https://github.com/eslint/eslint/issues/new?template=CHANGE.md) on GitHub. Be sure to include the following information:
+
+1. The version of ESLint you are using.
+1. The problem you want to solve.
+1. Your take on the correct solution to problem.
+
+If you're requesting a change to a rule, it's helpful to include this information as well:
+
+1. What you did.
+1. What you would like to happen.
+1. What actually happened.
+
+Please include as much detail as possible to help us properly address your issue. If we need to triage issues and constantly ask people for more detail, that's time taken away from actually fixing issues. Help us be as efficient as possible by including a lot of detail in your issues.
+
+**Note:** If you just have a question that won't necessarily result in a change to ESLint, such as asking how something works or how to contribute, please use the [mailing list](https://groups.google.com/group/eslint) or [chat](https://gitter.im/eslint/eslint) instead of filing an issue.
diff --git a/eslint/docs/developer-guide/contributing/new-rules.md b/eslint/docs/developer-guide/contributing/new-rules.md
new file mode 100644
index 0000000..a351377
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/new-rules.md
@@ -0,0 +1,42 @@
+# New Rules
+
+ESLint is all about rules. For most of the project's lifetime, we've had over 200 rules, and that list continues to grow. However, we can't just accept any proposed rule because all rules need to work cohesively together. As such, we have some guidelines around which rules can be part of the ESLint core and which are better off as custom rules and plugins.
+
+**Note:** As of 2016, we accept only rules that are deemed extremely important for inclusion. We prefer that new rules be implemented in plugins.
+
+## Core Rule Guidelines
+
+In general, ESLint core rules must be:
+
+1. **Widely applicable.** The rules we distribute need to be of importance to a large number of developers. Individual preferences for uncommon patterns are not supported.
+1. **Generic.** Rules cannot be so specific that users will have trouble understanding when to use them. A rule is typically too specific if describing what it does requires more than two "and"s (if a and b and c and d, then this rule warns).
+1. **Atomic.** Rules must function completely on their own. Rules are expressly forbidden from knowing about the state or presence of other rules.
+1. **Unique.** No two rules can produce the same warning. Overlapping rules confuse end users and there is an expectation that core ESLint rules do not overlap.
+1. **Library agnostic.** Rules must be based solely on JavaScript runtime environments and not on specific libraries or frameworks. For example, core rules shouldn't only apply if you're using jQuery but we may have some rules that apply only if you're using Node.js (a runtime).
+1. **No conflicts.** No rule must directly conflict with another rule. For example, if we have a rule requiring semicolons, we cannot also have a rule disallowing semicolons (which is why we have one rule, `semi`, that does both).
+
+Even though these are the formal criteria for inclusion, each rule is evaluated on its own basis.
+
+## Proposing a Rule
+
+If you want to propose a new rule, please see how to [create a pull request](/docs/developer-guide/contributing/pull-requests) or submit an issue by filling out a [new rule template](https://github.com/eslint/eslint/issues/new?template=NEW_RULE.md).
+
+We need all of this information in order to determine whether or not the rule is a good core rule candidate.
+
+## Accepting a Rule
+
+In order for a rule to be accepted in the ESLint core, it must:
+
+1. Fulfill all the criteria listed in the "Core Rule Guidelines" section
+1. Have an ESLint team member champion inclusion of the rule
+1. Be very important for ESLint users because it either catches a serious problem or allows styling of code in accordance with a popular style guide
+
+Keep in mind that we have over 200 rules, and that is daunting both for end users and the ESLint team (who has to maintain them). As such, any new rules must be deemed of high importance to be considered for inclusion in ESLint.
+
+## Implementation is Your Responsibility
+
+The ESLint team doesn't implement new rules that are suggested by users because we have a limited number of people and need to focus on the overall roadmap. Once a rule is accepted, you are responsible for implementing and documenting the rule. You may, alternately, recruit another person to help you implement the rule. The ESLint team member who championed the rule is your resource to help guide you through the rest of this process.
+
+## Alternative: Creating Your Own Rules
+
+Remember that ESLint is completely pluggable, which means you can create your own rules and distribute them using plugins. We did this on purpose because we don't want to be the gatekeepers for all possible rules. Even if we don't accept a rule into the core, that doesn't mean you can't have the exact rule that you want. See the [working with rules](../working-with-rules.md) and [working with plugins](../working-with-plugins.md) documentation for more information.
diff --git a/eslint/docs/developer-guide/contributing/pull-requests.md b/eslint/docs/developer-guide/contributing/pull-requests.md
new file mode 100644
index 0000000..ef4169e
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/pull-requests.md
@@ -0,0 +1,182 @@
+# Pull Requests
+
+If you want to contribute to an ESLint repo, please use a GitHub pull request. This is the fastest way for us to evaluate your code and to merge it into the code base. Please don't file an issue with snippets of code. Doing so means that we need to manually merge the changes in and update any appropriate tests. That decreases the likelihood that your code is going to get included in a timely manner. Please use pull requests.
+
+## Getting Started
+
+If you'd like to work on a pull request and you've never submitted code before, follow these steps:
+
+1. Sign our [Contributor License Agreement](https://cla.js.foundation/eslint/eslint).
+1. Set up a [development environment](../development-environment.md).
+1. If you want to implement a breaking change or a change to the core, ensure there's an issue that describes what you're doing and the issue has been accepted. You can create a new issue or just indicate you're [working on an existing issue](working-on-issues.md). Bug fixes, documentation changes, and other pull requests do not require an issue.
+
+After that, you're ready to start working on code.
+
+## Working with Code
+
+The process of submitting a pull request is fairly straightforward and generally follows the same pattern each time:
+
+1. [Create a new branch](#step1)
+2. [Make your changes](#step2)
+3. [Rebase onto upstream](#step3)
+4. [Run the tests](#step4)
+5. [Double check your submission](#step5)
+6. [Push your changes](#step6)
+7. [Submit the pull request](#step7)
+
+Details about each step are found below.
+
+### Step 1: Create a new branch<a name="step1"></a>
+
+The first step to sending a pull request is to create a new branch in your ESLint fork. Give the branch a descriptive name that describes what it is you're fixing, such as:
+
+```
+$ git checkout -b issue1234
+```
+
+You should do all of your development for the issue in this branch.
+
+**Note:** Do not combine fixes for multiple issues into one branch. Use a separate branch for each issue you're working on.
+
+### Step 2: Make your changes<a name="step2"></a>
+
+Make the changes to the code and tests, following the [code conventions](../code-conventions.md) as you go. Once you have finished, commit the changes to your branch:
+
+```
+$ git add -A
+$ git commit
+```
+
+Our commit message format is as follows:
+
+```
+Tag: Short description (fixes #1234)
+
+Longer description here if necessary
+```
+
+The first line of the commit message (the summary) must have a specific format. This format is checked by our build tools.
+
+The `Tag` is one of the following:
+
+* `Fix` - for a bug fix.
+* `Update` - either for a backwards-compatible enhancement or for a rule change that adds reported problems.
+* `New` - implemented a new feature.
+* `Breaking` - for a backwards-incompatible enhancement or feature.
+* `Docs` - changes to documentation only.
+* `Build` - changes to build process only.
+* `Upgrade` - for a dependency upgrade.
+* `Chore` - for refactoring, adding tests, etc. (anything that isn't user-facing).
+
+Use the [labels of the issue you are working on](working-on-issues.md#issue-labels) to determine the best tag.
+
+The message summary should be a one-sentence description of the change, and it must be 72 characters in length or shorter. If the pull request addresses an issue, then the issue number should be mentioned at the end. If the commit doesn't completely fix the issue, then use `(refs #1234)` instead of `(fixes #1234)`.
+
+Here are some good commit message summary examples:
+
+```
+Build: Update Travis to only test Node 0.10 (refs #734)
+Fix: Semi rule incorrectly flagging extra semicolon (fixes #840)
+Upgrade: Esprima to 1.2, switch to using comment attachment (fixes #730)
+```
+
+The commit message format is important because these messages are used to create a changelog for each release. The tag and issue number help to create more consistent and useful changelogs.
+
+### Step 3: Rebase onto upstream<a name="step3"></a>
+
+Before you send the pull request, be sure to rebase onto the upstream source. This ensures your code is running on the latest available code.
+
+```
+git fetch upstream
+git rebase upstream/master
+```
+
+### Step 4: Run the tests<a name="step4"></a>
+
+After rebasing, be sure to run all of the tests once again to make sure nothing broke:
+
+```
+npm test
+```
+
+If there are any failing tests, update your code until all tests pass.
+
+### Step 5: Double check your submission<a name="step5"></a>
+
+With your code ready to go, this is a good time to double-check your submission to make sure it follows our conventions. Here are the things to check:
+
+* Make sure your commit is formatted correctly.
+* The pull request must have a description. The description should explain what you did and how its effects can be seen.
+* The commit message is properly formatted.
+* The change introduces no functional regression. Be sure to run `npm test` to verify your changes before submitting a pull request.
+* Make separate pull requests for unrelated changes. Large pull requests with multiple unrelated changes may be closed without merging.
+* All changes must be accompanied by tests, even if the feature you're working on previously had no tests.
+* All user-facing changes must be accompanied by appropriate documentation.
+* Follow the [Code Conventions](../code-conventions.md).
+
+### Step 6: Push your changes<a name="step6"></a>
+
+Next, push your changes to your clone:
+
+```
+git push origin issue1234
+```
+
+If you are unable to push because some references are old, do a forced push instead:
+
+```
+git push -f origin issue1234
+```
+
+### Step 7: Send the pull request<a name="step7"></a>
+
+Now you're ready to send the pull request. Go to your ESLint fork and then follow the [GitHub documentation](https://help.github.com/articles/creating-a-pull-request) on how to send a pull request.
+
+## Following Up
+
+Once your pull request is sent, it's time for the team to review it. As such, please make sure to:
+
+1. Monitor the status of the Travis CI build for your pull request. If it fails, please investigate why. We cannot merge pull requests that fail Travis for any reason.
+1. Respond to comments left on the pull request from team members. Remember, we want to help you land your code, so please be receptive to our feedback.
+1. We may ask you to make changes, rebase, or squash your commits.
+
+### Updating the Commit Message
+
+If your commit message is in the incorrect format, you'll be asked to update it. You can do so via:
+
+```
+$ git commit --amend
+```
+
+This will open up your editor so you can make changes. After that, you'll need to do a forced push to your branch:
+
+```
+$ git push origin issue1234 -f
+```
+
+### Updating the Code
+
+If we ask you to make code changes, there's no need to close the pull request and create a new one. Just go back to the branch on your fork and make your changes. Then, when you're ready, you can add your changes into the branch:
+
+```
+$ git add -A
+$ git commit
+$ git push origin issue1234
+```
+
+When updating the code, it's usually better to add additional commits to your branch rather than amending the original commit, because reviewers can easily tell which changes were made in response to a particular review. When we merge pull requests, we will squash all the commits from your branch into a single commit on the `master` branch.
+
+### Rebasing
+
+If your code is out-of-date, we might ask you to rebase. That means we want you to apply your changes on top of the latest upstream code. Make sure you have set up a [development environment](../development-environment.md) and then you can rebase using these commands:
+
+```
+$ git fetch upstream
+$ git rebase upstream/master
+```
+
+You might find that there are merge conflicts when you attempt to rebase. Please [resolve the conflicts](https://help.github.com/articles/resolving-merge-conflicts-after-a-git-rebase/) and then do a forced push to your branch:
+
+```
+$ git push origin issue1234 -f
+```
diff --git a/eslint/docs/developer-guide/contributing/reporting-bugs.md b/eslint/docs/developer-guide/contributing/reporting-bugs.md
new file mode 100644
index 0000000..81f5e85
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/reporting-bugs.md
@@ -0,0 +1,7 @@
+# Reporting Bugs
+
+If you think you've found a bug in ESLint, please [create a new issue](https://github.com/eslint/eslint/issues/new) or a [pull request](/docs/developer-guide/contributing/pull-requests.md) on GitHub.
+
+Please include as much detail as possible to help us properly address your issue. If we need to triage issues and constantly ask people for more detail, that's time taken away from actually fixing issues. Help us be as efficient as possible by including a lot of detail in your issues.
+
+**Note:** If you just have a question that won't necessarily result in a change to ESLint, such as asking how something works or how to contribute, please use the [mailing list](https://groups.google.com/group/eslint) or [chat](https://gitter.im/eslint/eslint) instead of filing an issue.
diff --git a/eslint/docs/developer-guide/contributing/rule-changes.md b/eslint/docs/developer-guide/contributing/rule-changes.md
new file mode 100644
index 0000000..d45ddbe
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/rule-changes.md
@@ -0,0 +1,21 @@
+# Rule Changes
+
+Occasionally, a core ESLint rule needs to be changed. This is not necessarily a bug, but rather, an enhancement that makes a rule more configurable. In those situations, we will consider making changes to rules.
+
+## Proposing a Rule Change
+
+To propose a change to an existing rule, [create a pull request](/docs/developer-guide/contributing/pull-requests.md) or [new issue](https://github.com/eslint/eslint/issues/new?template=RULE_CHANGE.md) and fill out the template.
+
+We need all of this information in order to determine whether or not the change is a good candidate for inclusion.
+
+## Accepting a Rule Change
+
+In order for a rule change to be accepted into ESLint, it must:
+
+1. Adhere to the [Core Rule Guidelines](new-rules.md#core-rule-guidelines)
+1. Have an ESLint team member champion the change
+1. Be important enough that rule is deemed incomplete without this change
+
+## Implementation is Your Responsibility
+
+The ESLint team doesn't implement rule changes that are suggested by users because we have a limited number of people and need to focus on the overall roadmap. Once a rule change is accepted, you are responsible for implementing and documenting it. You may, alternately, recruit another person to help you. The ESLint team member who championed the rule is your resource to help guide you through the rest of this process.
diff --git a/eslint/docs/developer-guide/contributing/working-on-issues.md b/eslint/docs/developer-guide/contributing/working-on-issues.md
new file mode 100644
index 0000000..9e666d6
--- /dev/null
+++ b/eslint/docs/developer-guide/contributing/working-on-issues.md
@@ -0,0 +1,36 @@
+# Working on Issues
+
+Our public [issues tracker](https://github.com/eslint/eslint/issues) lists all of the things we plan on doing as well as suggestions from the community. Before starting to work on an issue, be sure you read through the rest of this page.
+
+## Issue Labels
+
+We use labels to indicate the status of issues. The most complete documentation on the labels is found in the [Maintainer Guide](https://eslint.org/docs/maintainer-guide/issues.html#when-an-issue-is-opened), but most contributors should find the information on this page sufficient. The most important questions that labels can help you, as a contributor, answer are:
+
+1. Is this issue available for me to work on? If you have little or no experience contributing to ESLint, the [`good first issue`](https://github.com/eslint/eslint/labels/good%20first%20issue) label marks appropriate issues. Otherwise, the [`help wanted`](https://github.com/eslint/eslint/labels/help%20wanted) label is an invitation to work on the issue. If you have more experience, you can try working on other issues labeled [`accepted`](https://github.com/eslint/eslint/labels/accepted). Conversely, issues not yet ready to work on are labeled `triage`, `evaluating`, and/or `needs bikeshedding`, and issues that cannot currently be worked on because of something else, such as a bug in a dependency, are labeled `blocked`.
+1. What is this issue about? Labels describing the nature of issues include `bug`, `enhancement`, `feature`, `question`, `rule`, `documentation`, `core`, `build`, `cli`, `infrastructure`, `breaking`, and `chore`. These are documented in the [Maintainer Guide](https://eslint.org/docs/maintainer-guide/issues.html#types-of-issues).
+1. What is the priority of this issue? Because we have a lot of issues, we prioritize certain issues above others. The following is the list of priorities, from highest to lowest:
+
+    1. **Bugs** - problems with the project are actively affecting users. We want to get these resolved as quickly as possible.
+    1. **Documentation** - documentation issues are a type of bug in that they actively affect current users. As such, we want to address documentation issues as quickly as possible.
+    1. **Features** - new functionality that will aid users in the future.
+    1. **Enhancements** - requested improvements for existing functionality.
+    1. **Other** - anything else.
+
+    Some issues have had monetary rewards attached to them. Those are labeled `bounty`. Bounties are assigned via [BountySource](https://www.bountysource.com/teams/eslint/issues).
+
+## Starting Work
+
+If you're going to work on an issue, please add a comment to that issue saying so and indicating when you think you will complete it. It will help us to avoid duplication of effort. Some examples of good comments are:
+
+* "I'll take a look at this over the weekend."
+* "I'm going to do this, give me two weeks."
+* "Working on this" (as in, I'm working on it right now)
+
+If an issue has already been claimed by someone, please be respectful of that person's desire to complete the work and don't work on it unless you verify that they are no longer interested.
+
+If you find you can't finish the work, then simply add a comment letting people know, for example:
+
+* "Sorry, it looks like I don't have time to do this."
+* "I thought I knew enough to fix this, but it turns out I don't."
+
+No one will blame you for backing out of an issue if you are unable to complete it. We just want to keep the process moving along as efficiently as possible.
diff --git a/eslint/docs/developer-guide/development-environment.md b/eslint/docs/developer-guide/development-environment.md
new file mode 100644
index 0000000..a93e1ef
--- /dev/null
+++ b/eslint/docs/developer-guide/development-environment.md
@@ -0,0 +1,107 @@
+# Development Environment
+
+ESLint has a very lightweight development environment that makes updating code fast and easy. This is a step-by-step guide to setting up a local development environment that will let you contribute back to the project.
+
+## Step 1: Install Node.js
+
+Go to <https://nodejs.org/> to download and install the latest stable version for your operating system.
+
+Most of the installers come with [npm](https://www.npmjs.com/) already installed, but if for some reason it doesn't work on your system, you can install it manually using the instructions on the site.
+
+## Step 2: Fork and checkout your own ESLint repository
+
+Go to <https://github.com/eslint/eslint> and click the "Fork" button. Follow the [GitHub documentation](https://help.github.com/articles/fork-a-repo) for forking and cloning.
+
+Once you've cloned the repository, run `npm install` to get all the necessary dependencies:
+
+```
+$ cd eslint
+$ npm install
+```
+
+You must be connected to the Internet for this step to work. You'll see a lot of utilities being downloaded.
+
+## Step 3: Add the upstream source
+
+The *upstream source* is the main ESLint repository that active development happens on. While you won't have push access to upstream, you will have pull access, allowing you to pull in the latest code whenever you want.
+
+To add the upstream source for ESLint, run the following in your repository:
+
+```
+git remote add upstream git@github.com:eslint/eslint.git
+```
+
+Now, the remote `upstream` points to the upstream source.
+
+## Step 4: Install the Yeoman Generator
+
+[Yeoman](http://yeoman.io) is a scaffold generator that ESLint uses to help streamline development of new rules. If you don't already have Yeoman installed, you can install it via npm:
+
+    npm install -g yo
+
+Then, you can install the ESLint Yeoman generator:
+
+    npm install -g generator-eslint
+
+Please see the [generator documentation](https://github.com/eslint/generator-eslint) for instructions on how to use it.
+
+## Step 5: Run the tests
+
+Running the tests is the best way to ensure you have correctly set up your development environment. Make sure you're in the `eslint` directory and run:
+
+```
+npm test
+```
+
+The testing takes a few minutes to complete. If any tests fail, that likely means one or more parts of the environment setup didn't complete correctly. The upstream tests always pass.
+
+## Reference Information
+
+### Workflow
+
+Once you have your development environment installed, you can make and submit changes to the ESLint source files. Doing this successfully requires careful adherence to our [pull-request submission workflow](contributing/pull-requests.md).
+
+### Build Scripts
+
+ESLint has several build scripts that help with various parts of development.
+
+#### npm test
+
+The primary script to use is `npm test`, which does several things:
+
+1. Lints all JavaScript (including tests) and JSON
+1. Runs all tests on Node.js
+1. Checks code coverage targets
+1. Generates `build/eslint.js` for use in a browser
+1. Runs a subset of tests in PhantomJS
+
+Be sure to run this after making changes and before sending a pull request with your changes.
+
+**Note:** The full code coverage report is output into `/coverage`.
+
+#### npm run lint
+
+Runs just the JavaScript and JSON linting on the repository
+
+#### npm run webpack
+
+Generates `build/eslint.js`, a version of ESLint for use in the browser
+
+#### npm run docs
+
+Generates JSDoc documentation and places it into `/jsdoc`.
+
+#### npm run profile
+
+This command is used for intensive profiling of ESLint using Chrome Developer Tools. It starts a development server that runs through three profiles:
+
+* Large - Runs ESLint on JSHint
+* Medium - Runs ESLint on jQuery
+* Small - Runs ESLint on KnockoutJS
+
+Your browser should automatically open to the page in question. When that happens:
+
+1. Open up developer tools
+1. Click on Profiles
+
+You should start to see profiles for each run show up on the left side. If not, reload the page in the browser. Once all three profiles have completed, they will be available for inspection.
diff --git a/eslint/docs/developer-guide/nodejs-api.md b/eslint/docs/developer-guide/nodejs-api.md
new file mode 100644
index 0000000..ee1a7a4
--- /dev/null
+++ b/eslint/docs/developer-guide/nodejs-api.md
@@ -0,0 +1,1013 @@
+# Node.js API
+
+While ESLint is designed to be run on the command line, it's possible to use ESLint programmatically through the Node.js API. The purpose of the Node.js API is to allow plugin and tool authors to use the ESLint functionality directly, without going through the command line interface.
+
+**Note:** Use undocumented parts of the API at your own risk. Only those parts that are specifically mentioned in this document are approved for use and will remain stable and reliable. Anything left undocumented is unstable and may change or be removed at any point.
+
+## Table of Contents
+
+* [SourceCode](#sourcecode)
+    * [splitLines()](#sourcecode-splitlines)
+* [Linter](#linter)
+    * [verify()](#linter-verify)
+    * [verifyAndFix()](#linter-verifyandfix)
+    * [defineRule()](#linter-definerule)
+    * [defineRules()](#linter-definerules)
+    * [getRules()](#linter-getrules)
+    * [defineParser()](#linter-defineparser)
+    * [version](#linter-version)
+* [linter (deprecated)](#linter-1)
+* [CLIEngine](#cliengine)
+    * [executeOnFiles()](#cliengine-executeonfiles)
+    * [resolveFileGlobPatterns()](#cliengine-resolvefileglobpatterns)
+    * [getConfigForFile()](#cliengine-getconfigforfile)
+    * [executeOnText()](#cliengine-executeontext)
+    * [addPlugin()](#cliengine-addplugin)
+    * [isPathIgnored()](#cliengine-ispathignored)
+    * [getFormatter()](#cliengine-getformatter)
+    * [getErrorResults()](#cliengine-geterrorresults)
+    * [outputFixes()](#cliengine-outputfixes)
+    * [getRules()](#cliengine-getrules)
+    * [version](#cliengine-version)
+* [RuleTester](#ruletester)
+    * [Customizing RuleTester](#customizing-ruletester)
+* [Deprecated APIs](#deprecated-apis)
+
+## SourceCode
+
+The `SourceCode` type represents the parsed source code that ESLint executes on. It's used internally in ESLint and is also available so that already-parsed code can be used. You can create a new instance of `SourceCode` by passing in the text string representing the code and an abstract syntax tree (AST) in [ESTree](https://github.com/estree/estree) format (including location information, range information, comments, and tokens):
+
+```js
+const SourceCode = require("eslint").SourceCode;
+
+const code = new SourceCode("var foo = bar;", ast);
+```
+
+The `SourceCode` constructor throws an error if the AST is missing any of the required information.
+
+The `SourceCode` constructor strips Unicode BOM.
+Please note the AST also should be parsed from stripped text.
+
+```js
+const SourceCode = require("eslint").SourceCode;
+
+const code = new SourceCode("\uFEFFvar foo = bar;", ast);
+
+assert(code.hasBOM === true);
+assert(code.text === "var foo = bar;");
+```
+
+### SourceCode#splitLines()
+
+This is a static function on `SourceCode` that is used to split the source code text into an array of lines.
+
+```js
+const SourceCode = require("eslint").SourceCode;
+
+const code = "var a = 1;\nvar b = 2;"
+
+// split code into an array
+const codeLines = SourceCode.splitLines(code);
+
+/*
+    Value of codeLines will be
+    [
+        "var a = 1;",
+        "var b = 2;"
+    ]
+ */
+```
+
+## Linter
+
+The `Linter` object does the actual evaluation of the JavaScript code. It doesn't do any filesystem operations, it simply parses and reports on the code. In particular, the `Linter` object does not process configuration objects or files.
+The `Linter` is a constructor, and you can create a new instance by passing in the options you want to use. The available options are:
+
+* `cwd` - Path to a directory that should be considered as the current working directory. It is accessible to rules by calling `context.getCwd()` (see [The Context Object](./working-with-rules.md#The-Context-Object)). If `cwd` is `undefined`, it will be normalized to `process.cwd()` if the global `process` object is defined (for example, in the Node.js runtime) , or `undefined` otherwise.
+
+For example:
+
+```js
+const Linter = require("eslint").Linter;
+const linter1 = new Linter({ cwd: 'path/to/project' });
+const linter2 = new Linter();
+```
+
+In this example, rules run on `linter1` will get `path/to/project` when calling `context.getCwd()`.
+Those run on `linter2` will get `process.cwd()` if the global `process` object is defined or `undefined` otherwise (e.g. on the browser https://eslint.org/demo).
+
+### Linter#verify
+
+The most important method on `Linter` is `verify()`, which initiates linting of the given text. This method accepts three arguments:
+
+* `code` - the source code to lint (a string or instance of `SourceCode`).
+* `config` - a configuration object that has been processed and normalized by CLIEngine using eslintrc files and/or other configuration arguments.
+    * **Note**: If you want to lint text and have your configuration be read and processed, use CLIEngine's [`executeOnFiles`](#cliengineexecuteonfiles) or [`executeOnText`](#cliengineexecuteontext) instead.
+* `options` - (optional) Additional options for this run.
+    * `filename` - (optional) the filename to associate with the source code.
+    * `preprocess` - (optional) A function that [Processors in Plugins](/docs/developer-guide/working-with-plugins.md#processors-in-plugins) documentation describes as the `preprocess` method.
+    * `postprocess` - (optional) A function that [Processors in Plugins](/docs/developer-guide/working-with-plugins.md#processors-in-plugins) documentation describes as the `postprocess` method.
+    * `filterCodeBlock` - (optional) A function that decides which code blocks the linter should adopt. The function receives two arguments. The first argument is the virtual filename of a code block. The second argument is the text of the code block. If the function returned `true` then the linter adopts the code block. If the function was omitted, the linter adopts only `*.js` code blocks. If you provided a `filterCodeBlock` function, it overrides this default behavior, so the linter doesn't adopt `*.js` code blocks automatically.
+    * `disableFixes` - (optional) when set to `true`, the linter doesn't make either the `fix` or `suggestions` property of the lint result.
+    * `allowInlineConfig` - (optional) set to `false` to disable inline comments from changing ESLint rules.
+    * `reportUnusedDisableDirectives` - (optional) when set to `true`, adds reported errors for unused `eslint-disable` directives when no problems would be reported in the disabled area anyway.
+
+If the third argument is a string, it is interpreted as the `filename`.
+
+You can call `verify()` like this:
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+const messages = linter.verify("var foo;", {
+    rules: {
+        semi: 2
+    }
+}, { filename: "foo.js" });
+
+// or using SourceCode
+
+const Linter = require("eslint").Linter,
+    linter = new Linter(),
+    SourceCode = require("eslint").SourceCode;
+
+const code = new SourceCode("var foo = bar;", ast);
+
+const messages = linter.verify(code, {
+    rules: {
+        semi: 2
+    }
+}, { filename: "foo.js" });
+```
+
+The `verify()` method returns an array of objects containing information about the linting warnings and errors. Here's an example:
+
+```js
+{
+    fatal: false,
+    ruleId: "semi",
+    severity: 2,
+    line: 1,
+    column: 23,
+    message: "Expected a semicolon.",
+    fix: {
+        range: [1, 15],
+        text: ";"
+    }
+}
+```
+
+The information available for each linting message is:
+
+* `column` - the column on which the error occurred.
+* `fatal` - usually omitted, but will be set to true if there's a parsing error (not related to a rule).
+* `line` - the line on which the error occurred.
+* `message` - the message that should be output.
+* `nodeType` - the node or token type that was reported with the problem.
+* `ruleId` - the ID of the rule that triggered the messages (or null if `fatal` is true).
+* `severity` - either 1 or 2, depending on your configuration.
+* `endColumn` - the end column of the range on which the error occurred (this property is omitted if it's not range).
+* `endLine` - the end line of the range on which the error occurred (this property is omitted if it's not range).
+* `fix` - an object describing the fix for the problem (this property is omitted if no fix is available).
+* `suggestions` - an array of objects describing possible lint fixes for editors to programmatically enable (see details in the [Working with Rules docs](./working-with-rules.md#providing-suggestions)).
+
+Linting message objects have a deprecated `source` property. This property **will be removed** from linting messages in an upcoming breaking release. If you depend on this property, you should now use the `SourceCode` instance provided by the linter.
+
+You can also get an instance of the `SourceCode` object used inside of `linter` by using the `getSourceCode()` method:
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+const messages = linter.verify("var foo = bar;", {
+    rules: {
+        semi: 2
+    }
+}, { filename: "foo.js" });
+
+const code = linter.getSourceCode();
+
+console.log(code.text);     // "var foo = bar;"
+```
+
+In this way, you can retrieve the text and AST used for the last run of `linter.verify()`.
+
+### Linter#verifyAndFix()
+
+This method is similar to verify except that it also runs autofixing logic, similar to the `--fix` flag on the command line. The result object will contain the autofixed code, along with any remaining linting messages for the code that were not autofixed.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+const messages = linter.verifyAndFix("var foo", {
+    rules: {
+        semi: 2
+    }
+});
+```
+
+Output object from this method:
+
+```js
+{
+    fixed: true,
+    output: "var foo;",
+    messages: []
+}
+```
+
+The information available is:
+
+* `fixed` - True, if the code was fixed.
+* `output` - Fixed code text (might be the same as input if no fixes were applied).
+* `messages` - Collection of all messages for the given code (It has the same information as explained above under `verify` block).
+
+### Linter#defineRule
+
+Each `Linter` instance holds a map of rule names to loaded rule objects. By default, all ESLint core rules are loaded. If you want to use `Linter` with custom rules, you should use the `defineRule` method to register your rules by ID.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+linter.defineRule("my-custom-rule", {
+    // (an ESLint rule)
+
+    create(context) {
+        // ...
+    }
+});
+
+const results = linter.verify("// some source text", { rules: { "my-custom-rule": "error" } });
+```
+
+### Linter#defineRules
+
+This is a convenience method similar to `Linter#defineRule`, except that it allows you to define many rules at once using an object.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+linter.defineRules({
+    "my-custom-rule": { /* an ESLint rule */ create() {} },
+    "another-custom-rule": { /* an ESLint rule */ create() {} }
+});
+
+const results = linter.verify("// some source text", {
+    rules: {
+        "my-custom-rule": "error",
+        "another-custom-rule": "warn"
+    }
+});
+```
+
+### Linter#getRules
+
+This method returns a map of all loaded rules.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+linter.getRules();
+
+/*
+Map {
+  'accessor-pairs' => { meta: { docs: [Object], schema: [Array] }, create: [Function: create] },
+  'array-bracket-newline' => { meta: { docs: [Object], schema: [Array] }, create: [Function: create] },
+  ...
+}
+*/
+```
+
+### Linter#defineParser
+
+Each instance of `Linter` holds a map of custom parsers. If you want to define a parser programmatically, you can add this function
+with the name of the parser as first argument and the [parser object](/docs/developer-guide/working-with-custom-parsers.md) as second argument. The default `"espree"` parser will already be loaded for every `Linter` instance.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+linter.defineParser("my-custom-parser", {
+    parse(code, options) {
+        // ...
+    }
+});
+
+const results = linter.verify("// some source text", { parser: "my-custom-parser" });
+```
+
+### Linter#version/Linter.version
+
+Each instance of `Linter` has a `version` property containing the semantic version number of ESLint that the `Linter` instance is from.
+
+```js
+const Linter = require("eslint").Linter;
+const linter = new Linter();
+
+linter.version; // => '4.5.0'
+```
+
+There is also a `Linter.version` property that you can read without instantiating `Linter`:
+
+```js
+const Linter = require("eslint").Linter;
+
+Linter.version; // => '4.5.0'
+```
+
+## linter
+
+The `eslint.linter` object (deprecated) is an instance of the `Linter` class as defined [above](#linter). `eslint.linter` exists for backwards compatibility, but we do not recommend using it because any mutations to it are shared among every module that uses `eslint`. Instead, please create your own instance of `eslint.Linter`.
+
+```js
+const linter = require("eslint").linter;
+
+const messages = linter.verify("var foo;", {
+    rules: {
+        semi: 2
+    }
+}, { filename: "foo.js" });
+```
+
+Note: This API is deprecated as of 4.0.0.
+
+## CLIEngine
+
+The primary Node.js API is `CLIEngine`, which is the underlying utility that runs the ESLint command line interface. This object will read the filesystem for configuration and file information but will not output any results. Instead, it allows you direct access to the important information so you can deal with the output yourself.
+
+You can get a reference to the `CLIEngine` by doing the following:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+```
+
+The `CLIEngine` is a constructor, and you can create a new instance by passing in the options you want to use. The available options are:
+
+* `allowInlineConfig` - Set to `false` to disable the use of configuration comments (such as `/*eslint-disable*/`). Corresponds to `--no-inline-config`.
+* `baseConfig` - Can optionally be set to a config object that has the same schema as `.eslintrc.*`. This will used as a default config, and will be merged with any configuration defined in `.eslintrc.*` files, with the `.eslintrc.*` files having precedence.
+* `cache` - Operate only on changed files (default: `false`). Corresponds to `--cache`.
+* `cacheFile` - Name of the file where the cache will be stored (default: `.eslintcache`). Corresponds to `--cache-file`. Deprecated: use `cacheLocation` instead.
+* `cacheLocation` - Name of the file or directory where the cache will be stored (default: `.eslintcache`). Corresponds to `--cache-location`.
+* `configFile` - The configuration file to use (default: null). If `useEslintrc` is true or not specified, this configuration will be merged with any configuration defined in `.eslintrc.*` files, with options in this configuration having precedence. Corresponds to `-c`.
+* `cwd` - Path to a directory that should be considered as the current working directory.
+* `envs` - An array of environments to load (default: empty array). Corresponds to `--env`. Note: This differs from `.eslintrc.*` / `baseConfig`, where instead the option is called `env` and is an object.
+* `errorOnUnmatchedPattern` - Set to `false` to prevent errors when pattern is unmatched. Corresponds to `--no-error-on-unmatched-pattern`.
+* `extensions` - An array of filename extensions that should be checked for code. The default is an array containing just `".js"`. Corresponds to `--ext`. It is only used in conjunction with directories, not with filenames, glob patterns or when using `executeOnText()`.
+* `fix` - A boolean or a function (default: `false`). If a function, it will be passed each linting message and should return a boolean indicating whether the fix should be included with the output report (errors and warnings will not be listed if fixed). Files on disk are never changed regardless of the value of `fix`. To persist changes to disk, call [`outputFixes()`](#cliengineoutputfixes).
+* `fixTypes` - An array of rule types for which fixes should be applied (default: `null`). This array acts like a filter, only allowing rules of the given types to apply fixes. Possible array values are `"problem"`, `"suggestion"`, and `"layout"`.
+* `globals` - An array of global variables to declare (default: empty array). Corresponds to `--global`, and similarly supports passing `'name:true'` to denote a writeable global. Note: This differs from `.eslintrc.*` / `baseConfig`, where `globals` is an object.
+* `ignore` - False disables use of `.eslintignore`, `ignorePath` and `ignorePattern` (default: true). Corresponds to `--no-ignore`.
+* `ignorePath` - The ignore file to use instead of `.eslintignore` (default: null). Corresponds to `--ignore-path`.
+* `ignorePattern` - Glob patterns for paths to ignore. String or array of strings.
+* `parser` - Specify the parser to be used (default: `espree`). Corresponds to `--parser`.
+* `parserOptions` - An object containing parser options (default: empty object). Corresponds to `--parser-options`.
+* `plugins` - An array of plugins to load (default: empty array). Corresponds to `--plugin`.
+* `reportUnusedDisableDirectives` - When set to `true`, adds reported errors for unused `eslint-disable` directives when no problems would be reported in the disabled area anyway (default: false). Corresponds to `--report-unused-disable-directives`.
+* `resolvePluginsRelativeTo` - Determines the folder where plugins should be resolved from. Should be used when an integration installs plugins and uses those plugins to lint code on behalf of the end user. Corresponds to `--resolve-plugins-relative-to`.
+* `rulePaths` - An array of directories to load custom rules from (default: empty array). Corresponds to `--rulesdir`.
+* `rules` - An object of rules to use (default: null). Corresponds to `--rule`.
+* `useEslintrc` - Set to false to disable use of `.eslintrc` files (default: true). Corresponds to `--no-eslintrc`.
+* `globInputPaths` - Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+
+To programmatically set `.eslintrc.*` options not supported above (such as `extends`,
+`overrides` and `settings`), define them in a config object passed to `baseConfig` instead.
+
+For example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    baseConfig: {
+        extends: ["eslint-config-shared"],
+        settings: {
+            sharedData: "Hello"
+        }
+    },
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+```
+
+In this example, a new `CLIEngine` instance is created that extends a configuration called
+`"eslint-config-shared"`, a setting named `"sharedData"` and two environments (`"browser"`
+and `"mocha"`) are defined, loading of `.eslintrc` and `package.json` files are disabled,
+and the `semi` rule enabled as an error. You can then call methods on `cli` and these options
+will be used to perform the correct action.
+
+Note: Currently `CLIEngine` does not validate options passed to it, but may start doing so in the future.
+
+### CLIEngine#executeOnFiles()
+
+If you want to lint one or more files, use the `executeOnFiles()` method. This method accepts a single argument, which is an array of files and/or directories to traverse for files. You can pass the same values as you would using the ESLint command line interface, such as `"."` to search all JavaScript files in the current directory. Here's an example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+// lint myfile.js and all files in lib/
+const report = cli.executeOnFiles(["myfile.js", "lib/"]);
+```
+
+The return value is an object containing the results of the linting operation. Here's an example of a report object:
+
+```js
+{
+    results: [
+        {
+            filePath: "/Users/eslint/project/myfile.js",
+            messages: [{
+                ruleId: "semi",
+                severity: 2,
+                message: "Missing semicolon.",
+                line: 1,
+                column: 13,
+                nodeType: "ExpressionStatement",
+                fix: { range: [12, 12], text: ";" }
+            }, {
+                ruleId: "no-useless-escape",
+                severity: 1,
+                message: "disallow unnecessary escape characters",
+                line: 1,
+                column: 10,
+                nodeType: "ExpressionStatement",
+                suggestions: [{
+                    desc: "Remove unnecessary escape. This maintains the current functionality.",
+                    fix: { range: [9, 10], text: "" }
+                }, {
+                    desc: "Escape backslash to include it in the RegExp.",
+                    fix: { range: [9, 9], text: "\\" }
+                }]
+            }],
+            errorCount: 1,
+            warningCount: 1,
+            fixableErrorCount: 1,
+            fixableWarningCount: 0,
+            source: "\"use strict\"\n"
+        }
+    ],
+    errorCount: 1,
+    warningCount: 0,
+    fixableErrorCount: 1,
+    fixableWarningCount: 0,
+    usedDeprecatedRules: []
+}
+```
+
+You can also pass `fix: true` when instantiating the `CLIEngine` in order to have it figure out what fixes can be applied.
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    fix: true, // difference from last example
+    useEslintrc: false,
+    rules: {
+        semi: 2,
+        quotes: [2, "double"]
+    }
+});
+
+// lint myfile.js and all files in lib/
+const report = cli.executeOnFiles(["myfile.js", "lib/"]);
+```
+
+```js
+{
+    results: [
+        {
+            filePath: "/Users/eslint/project/myfile.js",
+            messages: [
+                {
+                    ruleId: "semi",
+                    severity: 2,
+                    message: "Missing semicolon.",
+                    line: 1,
+                    column: 13,
+                    nodeType: "ExpressionStatement",
+                    fix: { range: [12, 12], text: ";" }
+                },
+                {
+                    ruleId: "func-name-matching",
+                    severity: 2,
+                    message: "Function name `bar` should match variable name `foo`",
+                    line: 2,
+                    column: 5,
+                    nodeType: "VariableDeclarator"
+                }
+            ],
+            errorCount: 2,
+            warningCount: 0,
+            fixableErrorCount: 1,
+            fixableWarningCount: 0,
+            output: "\"use strict\";\nvar foo = function bar() {};\nfoo();\n"
+        }
+    ],
+    errorCount: 2,
+    warningCount: 0,
+    fixableErrorCount: 1,
+    fixableWarningCount: 0,
+    usedDeprecatedRules: []
+}
+```
+
+If the operation ends with a parsing error, you will get a single message for this file, with `fatal: true` added as an extra property.
+
+```js
+{
+    results: [
+        {
+            filePath: "./myfile.js",
+            messages: [
+                {
+                    ruleId: null,
+                    fatal: true,
+                    severity: 2,
+                    message: "Parsing error: Unexpected token foo",
+                    line: 1,
+                    column: 10
+                }
+            ],
+            errorCount: 1,
+            warningCount: 0,
+            fixableErrorCount: 0,
+            fixableWarningCount: 0,
+            source: "function foo() {}"
+        }
+    ],
+    errorCount: 1,
+    warningCount: 0,
+    fixableErrorCount: 0,
+    fixableWarningCount: 0,
+    usedDeprecatedRules: []
+}
+```
+
+The top-level report object has a `results` array containing all linting results for files that had warnings or errors (any files that did not produce a warning or error are omitted). Each file result includes:
+
+* `filePath` - Path to the given file.
+* `messages` - Array containing the result of calling `linter.verify()` on the given file.
+* `errorCount` and `warningCount` - The exact number of errors and warnings respectively on the given file.
+* `source` - The source code for the given file. This property is omitted if this file has no errors/warnings or if the `output` property is present.
+* `output` - The source code for the given file with as many fixes applied as possible, so you can use that to rewrite the files if necessary. This property is omitted if no fix is available.
+
+The top-level report object also has `errorCount` and `warningCount` which give the exact number of errors and warnings respectively on all the files. Additionally, `usedDeprecatedRules` signals any deprecated rules used and their replacement (if available). Specifically, it is array of objects with properties like so:
+
+* `ruleId` - The name of the rule (e.g. `indent-legacy`).
+* `replacedBy` - An array of rules that replace the deprecated rule (e.g. `["indent"]`).
+
+Once you get a report object, it's up to you to determine how to output the results. Fixes will not be automatically applied to the files, even if you set `fix: true` when constructing the `CLIEngine` instance. To apply fixes to the files, call [`outputFixes`](#cliengineoutputfixes).
+
+### CLIEngine#resolveFileGlobPatterns()
+
+You can pass filesystem-style or glob patterns to ESLint and have it function properly. In order to achieve this, ESLint must resolve non-glob patterns into glob patterns before determining which files to execute on. The `resolveFileGlobPatterns()` methods uses the current settings from `CLIEngine` to resolve non-glob patterns into glob patterns. Pass an array of patterns that might be passed to the ESLint CLI and it will return an array of glob patterns that mean the same thing. Here's an example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+});
+
+// pass an array of patterns
+const globPatterns = cli.resolveFileGlobPatterns(["."]);
+console.log(globPatterns[i]);       // ["**/*.js"]
+```
+
+### CLIEngine#getConfigForFile()
+
+If you want to retrieve a configuration object for a given file, use the `getConfigForFile()` method. This method accepts one argument, a file path, and returns an object represented the calculated configuration of the file. Here's an example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+const config = cli.getConfigForFile("myfile.js");
+```
+
+Once you have the configuration information, you can pass it into the `linter` object:
+
+```js
+const CLIEngine = require("eslint").CLIEngine,
+    Linter = require("eslint").Linter;
+
+const linter = new Linter();
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+const config = cli.getConfigForFile("myfile.js");
+
+const messages = linter.verify('var foo;', config);
+```
+
+### CLIEngine#executeOnText()
+
+If you already have some text to lint, then you can use the `executeOnText()` method to lint that text. The linter will assume that the text is a file in the current working directory, and so will still obey any `.eslintrc` and `.eslintignore` files that may be present. Here's an example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+// Lint the supplied text and optionally set a filename that is displayed in the report
+const report = cli.executeOnText("var foo = 'bar';", "foo.js");
+
+// In addition to the above, warn if the resolved file name is ignored.
+const reportAndWarnOnIgnoredFile = cli.executeOnText("var foo = 'bar';", "foo.js", true);
+```
+
+The `report` returned from `executeOnText()` is in the same format as from `executeOnFiles()`, but there is only ever one result in `report.results`.
+
+If a filename in the optional second parameter matches a file that is configured to be ignored, then this function returns no errors or warnings. The method includes an additional optional boolean third parameter. When `true`, a resolved file name that is ignored will return a warning.
+
+### CLIEngine#addPlugin()
+
+Loads a plugin from configuration object with specified name. Name can include plugin prefix ("eslint-plugin-")
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+const cli = new CLIEngine({
+    ignore: true
+});
+cli.addPlugin("eslint-plugin-processor", {
+    processors: {
+        ".txt": {
+            preprocess: function(text) {
+                return [text];
+            },
+            postprocess: function(messages) {
+                return messages[0];
+            }
+        }
+    }
+});
+```
+
+### CLIEngine#isPathIgnored()
+
+Checks if a given path is ignored by ESLint.
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    ignore: true,
+    ignorePath: ".customIgnoreFile"
+});
+
+const isIgnored = cli.isPathIgnored("foo/bar.js");
+```
+
+### CLIEngine#getFormatter()
+
+Retrieves a formatter, which you can then use to format a report object. The argument is either the name of a built-in formatter:
+
+* "[checkstyle](../user-guide/formatters#checkstyle)"
+* "[codeframe](../user-guide/formatters#codeframe)"
+* "[compact](../user-guide/formatters#compact)"
+* "[html](../user-guide/formatters#html)"
+* "[jslint-xml](../user-guide/formatters#jslint-xml)"
+* "[json](../user-guide/formatters#json)"
+* "[junit](../user-guide/formatters#junit)"
+* "[stylish](../user-guide/formatters#stylish)" (the default)
+* "[table](../user-guide/formatters#table)"
+* "[tap](../user-guide/formatters#tap)"
+* "[unix](../user-guide/formatters#unix)"
+* "[visualstudio](../user-guide/formatters#visualstudio)"
+
+or the full path to a JavaScript file containing a custom formatter. You can also omit the argument to retrieve the default formatter.
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+// lint myfile.js and all files in lib/
+const report = cli.executeOnFiles(["myfile.js", "lib/"]);
+
+// get the default formatter
+const formatter = cli.getFormatter();
+
+// Also could do...
+// const formatter = cli.getFormatter("compact");
+// const formatter = cli.getFormatter("./my/formatter.js");
+
+// output to console
+console.log(formatter(report.results));
+```
+
+**Note:** Also available as a static function on `CLIEngine`.
+
+```js
+// get the default formatter by calling the static function
+const formatter = CLIEngine.getFormatter();
+```
+
+**Important:** You must pass in the `results` property of the report. Passing in `report` directly will result in an error.
+
+### CLIEngine#getErrorResults()
+
+This is a static function on `CLIEngine`. It can be used to filter out all the non error messages from the report object.
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+// lint myfile.js and all files in lib/
+const report = cli.executeOnFiles(["myfile.js", "lib/"]);
+
+// only get the error messages
+const errorReport = CLIEngine.getErrorResults(report.results)
+```
+
+**Important:** You must pass in the `results` property of the report. Passing in `report` directly will result in an error.
+
+### CLIEngine#outputFixes()
+
+This is a static function on `CLIEngine` that is used to output fixes from `report` to disk. It does by looking for files that have an `output` property in their results. Here's an example:
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+
+const cli = new CLIEngine({
+    envs: ["browser", "mocha"],
+    fix: true,
+    useEslintrc: false,
+    rules: {
+        semi: 2
+    }
+});
+
+// lint myfile.js and all files in lib/
+const report = cli.executeOnFiles(["myfile.js", "lib/"]);
+
+// output fixes to disk
+CLIEngine.outputFixes(report);
+```
+
+### CLIEngine#getRules()
+
+This method returns a map of all loaded rules. Under the hood, it calls [Linter#getRules](#lintergetrules).
+
+```js
+const CLIEngine = require("eslint").CLIEngine;
+const cli = new CLIEngine();
+
+cli.getRules();
+
+/*
+Map {
+  'accessor-pairs' => { meta: { docs: [Object], schema: [Array] }, create: [Function: create] },
+  'array-bracket-newline' => { meta: { docs: [Object], schema: [Array] }, create: [Function: create] },
+  ...
+}
+*/
+```
+
+
+### CLIEngine.version
+
+`CLIEngine` has a static `version` property containing the semantic version number of ESLint that it comes from.
+
+```js
+require("eslint").CLIEngine.version; // '4.5.0'
+```
+
+## RuleTester
+
+`eslint.RuleTester` is a utility to write tests for ESLint rules. It is used internally for the bundled rules that come with ESLint, and it can also be used by plugins.
+
+Example usage:
+
+```js
+"use strict";
+
+const rule = require("../../../lib/rules/my-rule"),
+    RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("my-rule", rule, {
+    valid: [
+        {
+            code: "var foo = true",
+            options: [{ allowFoo: true }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var invalidVariable = true",
+            errors: [{ message: "Unexpected invalid variable." }]
+        },
+        {
+            code: "var invalidVariable = true",
+            errors: [{ message: /^Unexpected.+variable/ }]
+        }
+    ]
+});
+```
+
+The `RuleTester` constructor accepts an optional object argument, which can be used to specify defaults for your test cases. For example, if all of your test cases use ES2015, you can set it as a default:
+
+```js
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2015 } });
+```
+
+The `RuleTester#run()` method is used to run the tests. It should be passed the following arguments:
+
+* The name of the rule (string)
+* The rule object itself (see ["working with rules"](./working-with-rules))
+* An object containing `valid` and `invalid` properties, each of which is an array containing test cases.
+
+A test case is an object with the following properties:
+
+* `code` (string, required): The source code that the rule should be run on
+* `options` (array, optional): The options passed to the rule. The rule severity should not be included in this list.
+* `filename` (string, optional): The filename for the given case (useful for rules that make assertions about filenames).
+
+In addition to the properties above, invalid test cases can also have the following properties:
+
+* `errors` (number or array, required): Asserts some properties of the errors that the rule is expected to produce when run on this code. If this is a number, asserts the number of errors produced. Otherwise, this should be a list of objects, each containing information about a single reported error. The following properties can be used for an error (all are optional):
+    * `message` (string/regexp): The message for the error
+    * `messageId` (string): The Id for the error. See [testing errors with messageId](#testing-errors-with-messageid) for details
+    * `data` (object): Placeholder data which can be used in combination with `messageId`
+    * `type` (string): The type of the reported AST node
+    * `line` (number): The 1-based line number of the reported location
+    * `column` (number): The 1-based column number of the reported location
+    * `endLine` (number): The 1-based line number of the end of the reported location
+    * `endColumn` (number): The 1-based column number of the end of the reported location
+    * `suggestions` (array): An array of objects with suggestion details to check. See [Testing Suggestions](#testing-suggestions) for details
+
+    If a string is provided as an error instead of an object, the string is used to assert the `message` of the error.
+* `output` (string, required if the rule fixes code): Asserts the output that will be produced when using this rule for a single pass of autofixing (e.g. with the `--fix` command line flag). If this is `null`, asserts that none of the reported problems suggest autofixes.
+
+Any additional properties of a test case will be passed directly to the linter as config options. For example, a test case can have a `parserOptions` property to configure parser behavior:
+
+```js
+{
+    code: "let foo;",
+    parserOptions: { ecmaVersion: 2015 }
+}
+```
+
+If a valid test case only uses the `code` property, it can optionally be provided as a string containing the code, rather than an object with a `code` key.
+
+#### Testing errors with `messageId`
+
+If the rule under test uses `messageId`s, you can use `messageId` property in a test case to assert reported error's `messageId` instead of its `message`.
+
+```js
+{
+    code: "let foo;",
+    errors: [{ messageId: "unexpected" }]
+}
+```
+
+For messages with placeholders, a test case can also use `data` property to additionally assert reported error's `message`.
+
+```js
+{
+    code: "let foo;",
+    errors: [{ messageId: "unexpected", data: { name: "foo" } }]
+}
+```
+
+Please note that `data` in a test case does not assert `data` passed to `context.report`. Instead, it is used to form the expected message text which is then compared with the received `message`.
+
+#### Testing Suggestions
+
+Suggestions can be tested by defining a `suggestions` key on an errors object. The options to check for the suggestions are the following (all are optional):
+
+* `desc` (string): The suggestion `desc` value
+* `messageId` (string): The suggestion `messageId` value for suggestions that use `messageId`s
+* `data` (object): Placeholder data which can be used in combination with `messageId`
+* `output` (string): A code string representing the result of applying the suggestion fix to the input code
+
+Example:
+
+```js
+ruleTester.run("my-rule-for-no-foo", rule, {
+    valid: [],
+    invalid: [{
+        code: "var foo;",
+        errors: [{
+            suggestions: [{
+                desc: "Rename identifier 'foo' to 'bar'",
+                output: "var bar;"
+            }]
+        }]
+    }]
+})
+```
+
+`messageId` and `data` properties in suggestion test objects work the same way as in error test objects. See [testing errors with messageId](#testing-errors-with-messageid) for details.
+
+```js
+ruleTester.run("my-rule-for-no-foo", rule, {
+    valid: [],
+    invalid: [{
+        code: "var foo;",
+        errors: [{
+            suggestions: [{
+                messageId: "renameFoo",
+                data: { newName: "bar" },
+                output: "var bar;"
+            }]
+        }]
+    }]
+})
+```
+
+### Customizing RuleTester
+
+`RuleTester` depends on two functions to run tests: `describe` and `it`. These functions can come from various places:
+
+1. If `RuleTester.describe` and `RuleTester.it` have been set to function values, `RuleTester` will use `RuleTester.describe` and `RuleTester.it` to run tests. You can use this to customize the behavior of `RuleTester` to match a test framework that you're using.
+1. Otherwise, if `describe` and `it` are present as globals, `RuleTester` will use `global.describe` and `global.it` to run tests. This allows `RuleTester` to work when using frameworks like [Mocha](https://mochajs.org/) without any additional configuration.
+1. Otherwise, `RuleTester#run` will simply execute all of the tests in sequence, and will throw an error if one of them fails. This means you can simply execute a test file that calls `RuleTester.run` using `node`, without needing a testing framework.
+
+`RuleTester#run` calls the `describe` function with two arguments: a string describing the rule, and a callback function. The callback calls the `it` function with a string describing the test case, and a test function. The test function will return successfully if the test passes, and throw an error if the test fails. (Note that this is the standard behavior for test suites when using frameworks like [Mocha](https://mochajs.org/); this information is only relevant if you plan to customize `RuleTester.it` and `RuleTester.describe`.)
+
+Example of customizing `RuleTester`:
+
+```js
+"use strict";
+
+const RuleTester = require("eslint").RuleTester,
+    test = require("my-test-runner"),
+    myRule = require("../../../lib/rules/my-rule");
+
+RuleTester.describe = function(text, method) {
+    RuleTester.it.title = text;
+    return method.call(this);
+};
+
+RuleTester.it = function(text, method) {
+    test(RuleTester.it.title + ": " + text, method);
+};
+
+// then use RuleTester as documented
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("my-rule", myRule, {
+    valid: [
+        // valid test cases
+    ],
+    invalid: [
+        // invalid test cases
+    ]
+})
+```
+
+## Deprecated APIs
+
+* `cli` - the `cli` object has been deprecated in favor of `CLIEngine`. As of v1.0.0, `cli` is no longer exported and should not be used by external tools.
+* `linter` - the `linter` object has been deprecated in favor of `Linter` as of v4.0.0.
diff --git a/eslint/docs/developer-guide/scope-manager-interface.md b/eslint/docs/developer-guide/scope-manager-interface.md
new file mode 100644
index 0000000..3ee5b23
--- /dev/null
+++ b/eslint/docs/developer-guide/scope-manager-interface.md
@@ -0,0 +1,386 @@
+# ScopeManager
+
+This document was written based on the implementation of [eslint-scope](https://github.com/eslint/eslint-scope), a fork of [escope](https://github.com/estools/escope), and deprecates some members ESLint is not using.
+
+----
+
+## ScopeManager interface
+
+`ScopeManager` object has all variable scopes.
+
+### Fields
+
+#### scopes
+
+* **Type:** `Scope[]`
+* **Description:** All scopes.
+
+#### globalScope
+
+* **Type:** `Scope`
+* **Description:** The root scope.
+
+### Methods
+
+#### acquire(node, inner = false)
+
+* **Parameters:**
+    * `node` (`ASTNode`) ... An AST node to get their scope.
+    * `inner` (`boolean`) ... If the node has multiple scope, this returns the outermost scope normally. If `inner` is `true` then this returns the innermost scope. Default is `false`.
+* **Return type:** `Scope | null`
+* **Description:** Get the scope of a given AST node. The gotten scope's `block` property is the node. This method never returns `function-expression-name` scope. If the node does not have their scope, this returns `null`.
+
+#### getDeclaredVariables(node)
+
+* **Parameters:**
+    * `node` (`ASTNode`) ... An AST node to get their variables.
+* **Return type:** `Variable[]`
+* **Description:** Get the variables that a given AST node defines. The gotten variables' `def[].node`/`def[].parent` property is the node. If the node does not define any variable, this returns an empty array.
+
+### Deprecated members
+
+Those members are defined but not used in ESLint.
+
+#### isModule()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this program is module.
+
+#### isImpliedStrict()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this program is strict mode implicitly. I.e., `options.impliedStrict === true`.
+
+#### isStrictModeSupported()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this program supports strict mode. I.e., `options.ecmaVersion >= 5`.
+
+#### acquireAll(node)
+
+* **Parameters:**
+    * `node` (`ASTNode`) ... An AST node to get their scope.
+* **Return type:** `Scope[] | null`
+* **Description:** Get the scopes of a given AST node. The gotten scopes' `block` property is the node. If the node does not have their scope, this returns `null`.
+
+----
+
+## Scope interface
+
+`Scope` object has all variables and references in the scope.
+
+### Fields
+
+#### type
+
+* **Type:** `string`
+* **Description:** The type of this scope. This is one of `"block"`, `"catch"`, `"class"`, `"for"`, `"function"`, `"function-expression-name"`, `"global"`, `"module"`, `"switch"`, `"with"`
+
+#### isStrict
+
+* **Type:** `boolean`
+* **Description:** `true` if this scope is strict mode.
+
+#### upper
+
+* **Type:** `Scope | null`
+* **Description:** The parent scope. If this is the global scope then this property is `null`.
+
+#### childScopes
+
+* **Type:** `Scope[]`
+* **Description:** The array of child scopes. This does not include grandchild scopes.
+
+#### variableScope
+
+* **Type:** `Scope`
+* **Description:** The scope which hosts variables which are defined by `var` declarations.
+
+#### block
+
+* **Type:** `ASTNode`
+* **Description:** The AST node which created this scope.
+
+#### variables
+
+* **Type:** `Variable[]`
+* **Description:** The array of all variables which are defined on this scope. This does not include variables which are defined in child scopes.
+
+#### set
+
+* **Type:** `Map<string, Variable>`
+* **Description:** The map from variable names to variable objects.
+
+> I hope to rename `set` field or replace by a method.
+
+#### references
+
+* **Type:** `Reference[]`
+* **Description:** The array of all references on this scope. This does not include references in child scopes.
+
+#### through
+
+* **Type:** `Reference[]`
+* **Description:** The array of references which could not be resolved in this scope.
+
+#### functionExpressionScope
+
+* **Type:** `boolean`
+* **Description:** `true` if this scope is `"function-expression-name"` scope.
+
+> I hope to deprecate `functionExpressionScope` field as replacing by `scope.type === "function-expression-name"`.
+
+### Deprecated members
+
+Those members are defined but not used in ESLint.
+
+#### taints
+
+* **Type:** `Map<string, boolean>`
+* **Description:** The map from variable names to `tainted` flag.
+
+#### dynamic
+
+* **Type:** `boolean`
+* **Description:** `true` if this scope is dynamic. I.e., the type of this scope is `"global"` or `"with"`.
+
+#### directCallToEvalScope
+
+* **Type:** `boolean`
+* **Description:** `true` if this scope contains `eval()` invocations.
+
+#### thisFound
+
+* **Type:** `boolean`
+* **Description:** `true` if this scope contains `this`.
+
+#### resolve(node)
+
+* **Parameters:**
+    * `node` (`ASTNode`) ... An AST node to get their reference object. The type of the node must be `"Identifier"`.
+* **Return type:** `Reference | null`
+* **Description:** Returns `this.references.find(r => r.identifier === node)`.
+
+#### isStatic()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** Returns `!this.dynamic`.
+
+#### isArgumentsMaterialized()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this is a `"function"` scope which has used `arguments` variable.
+
+#### isThisMaterialized()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** Returns `this.thisFound`.
+
+#### isUsedName(name)
+
+* **Parameters:**
+    * `name` (`string`) ... The name to check.
+* **Return type:** `boolean`
+* **Description:** `true` if a given name is used in variable names or reference names.
+
+----
+
+## Variable interface
+
+`Variable` object is variable's information.
+
+### Fields
+
+#### name
+
+* **Type:** `string`
+* **Description:** The name of this variable.
+
+#### identifiers
+
+* **Type:** `ASTNode[]`
+* **Description:** The array of `Identifier` nodes which define this variable. If this variable is redeclared, this array includes two or more nodes.
+
+> I hope to deprecate `identifiers` field as replacing by `defs[].name` field.
+
+#### references
+
+* **Type:** `Reference[]`
+* **Description:** The array of the references of this variable.
+
+#### defs
+
+* **Type:** `Definition[]`
+* **Description:** The array of the definitions of this variable.
+
+### Deprecated members
+
+Those members are defined but not used in ESLint.
+
+#### tainted
+
+* **Type:** `boolean`
+* **Description:** The `tainted` flag. (always `false`)
+
+#### stack
+
+* **Type:** `boolean`
+* **Description:** The `stack` flag. (I'm not sure what this means.)
+
+----
+
+## Reference interface
+
+`Reference` object is reference's information.
+
+### Fields
+
+#### identifier
+
+* **Type:** `ASTNode`
+* **Description:** The `Identifier` node of this reference.
+
+#### from
+
+* **Type:** `Scope`
+* **Description:** The `Scope` object that this reference is on.
+
+#### resolved
+
+* **Type:** `Variable | null`
+* **Description:** The `Variable` object that this reference refers. If such variable was not defined, this is `null`.
+
+#### writeExpr
+
+* **Type:** `ASTNode | null`
+* **Description:** The ASTNode object which is right-hand side.
+
+#### init
+
+* **Type:** `boolean`
+* **Description:** `true` if this writing reference is a variable initializer or a default value.
+
+### Methods
+
+#### isWrite()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is writing.
+
+#### isRead()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is reading.
+
+#### isWriteOnly()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is writing but not reading.
+
+#### isReadOnly()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is reading but not writing.
+
+#### isReadWrite()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is reading and writing.
+
+### Deprecated members
+
+Those members are defined but not used in ESLint.
+
+#### tainted
+
+* **Type:** `boolean`
+* **Description:** The `tainted` flag. (always `false`)
+
+#### flag
+
+* **Type:** `number`
+* **Description:** `1` is reading, `2` is writing, `3` is reading/writing.
+
+#### partial
+
+* **Type:** `boolean`
+* **Description:** The `partial` flag.
+
+#### isStatic()
+
+* **Parameters:**
+* **Return type:** `boolean`
+* **Description:** `true` if this reference is resolved statically.
+
+----
+
+## Definition interface
+
+`Definition` object is variable definition's information.
+
+### Fields
+
+#### type
+
+* **Type:** `string`
+* **Description:** The type of this definition. One of `"CatchClause"`, `"ClassName"`, `"FunctionName"`, `"ImplicitGlobalVariable"`, `"ImportBinding"`, `"Parameter"`, and `"Variable"`.
+
+#### name
+
+* **Type:** `ASTNode`
+* **Description:** The `Identifier` node of this definition.
+
+#### node
+
+* **Type:** `ASTNode`
+* **Description:** The enclosing node of the name.
+
+| type                       | node |
+|:---------------------------|:-----|
+| `"CatchClause"`            | `CatchClause`
+| `"ClassName"`              | `ClassDeclaration` or `ClassExpression`
+| `"FunctionName"`           | `FunctionDeclaration` or `FunctionExpression`
+| `"ImplicitGlobalVariable"` | `Program`
+| `"ImportBinding"`          | `ImportSpecifier`, `ImportDefaultSpecifier`, or `ImportNamespaceSpecifier`
+| `"Parameter"`              | `FunctionDeclaration`, `FunctionExpression`, or `ArrowFunctionExpression`
+| `"Variable"`               | `VariableDeclarator`
+
+#### parent
+
+* **Type:** `ASTNode | undefined | null`
+* **Description:** The enclosing statement node of the name.
+
+| type                       | parent |
+|:---------------------------|:-------|
+| `"CatchClause"`            | `null`
+| `"ClassName"`              | `null`
+| `"FunctionName"`           | `null`
+| `"ImplicitGlobalVariable"` | `null`
+| `"ImportBinding"`          | `ImportDeclaration`
+| `"Parameter"`              | `null`
+| `"Variable"`               | `VariableDeclaration`
+
+### Deprecated members
+
+Those members are defined but not used in ESLint.
+
+#### index
+
+* **Type:** `number | undefined | null`
+* **Description:** The index in the declaration statement.
+
+#### kind
+
+* **Type:** `string | undefined | null`
+* **Description:** The kind of the declaration statement.
diff --git a/eslint/docs/developer-guide/selectors.md b/eslint/docs/developer-guide/selectors.md
new file mode 100644
index 0000000..ac1ae0d
--- /dev/null
+++ b/eslint/docs/developer-guide/selectors.md
@@ -0,0 +1,133 @@
+# Selectors
+
+Some rules and APIs allow the use of selectors to query an AST. This page is intended to:
+
+1. Explain what selectors are
+1. Describe the syntax for creating selectors
+1. Describe what selectors can be used for
+
+## What is a selector?
+
+A selector is a string that can be used to match nodes in an Abstract Syntax Tree (AST). This is useful for describing a particular syntax pattern in your code.
+
+The syntax for AST selectors is similar to the syntax for [CSS selectors](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors). If you've used CSS selectors before, the syntax for AST selectors should be easy to understand.
+
+The simplest selector is just a node type. A node type selector will match all nodes with the given type. For example, consider the following program:
+
+```js
+var foo = 1;
+bar.baz();
+```
+
+The selector "`Identifier`" will match all `Identifier` nodes in the program. In this case, the selector will match the nodes for `foo`, `bar`, and `baz`.
+
+Selectors are not limited to matching against single node types. For example, the selector `VariableDeclarator > Identifier` will match all `Identifier` nodes that have a `VariableDeclarator` as a direct parent. In the program above, this will match the node for `foo`, but not the nodes for `bar` and `baz`.
+
+## What syntax can selectors have?
+
+The following selectors are supported:
+
+* AST node type: `ForStatement`
+* wildcard (matches all nodes): `*`
+* attribute existence: `[attr]`
+* attribute value: `[attr="foo"]` or `[attr=123]`
+* attribute regex: `[attr=/foo.*/]`
+* attribute conditions: `[attr!="foo"]`, `[attr>2]`, `[attr<3]`, `[attr>=2]`, or `[attr<=3]`
+* nested attribute: `[attr.level2="foo"]`
+* field: `FunctionDeclaration > Identifier.id`
+* First or last child: `:first-child` or `:last-child`
+* nth-child (no ax+b support): `:nth-child(2)`
+* nth-last-child (no ax+b support): `:nth-last-child(1)`
+* descendant: `FunctionExpression ReturnStatement`
+* child: `UnaryExpression > Literal`
+* following sibling: `ArrayExpression > Literal + SpreadElement`
+* adjacent sibling: `VariableDeclaration ~ VariableDeclaration`
+* negation: `:not(ForStatement)`
+* matches-any: `:matches([attr] > :first-child, :last-child)`
+* class of AST node: `:statement`, `:expression`, `:declaration`, `:function`, or `:pattern`
+
+This syntax is very powerful, and can be used to precisely select many syntactic patterns in your code.
+
+<sup>The examples in this section were adapted from the [esquery](https://github.com/estools/esquery) documentation.</sup>
+
+## What can selectors be used for?
+
+If you're writing custom ESLint rules, you might be interested in using selectors to examine specific parts of the AST. If you're configuring ESLint for your codebase, you might be interested in restricting particular syntax patterns with selectors.
+
+### Listening for selectors in rules
+
+When writing a custom ESLint rule, you can listen for nodes that match a particular selector as the AST is traversed.
+
+```js
+module.exports = {
+  create(context) {
+    // ...
+
+    return {
+
+      // This listener will be called for all IfStatement nodes with blocks.
+      "IfStatement > BlockStatement": function(blockStatementNode) {
+        // ...your logic here
+      },
+
+      // This listener will be called for all function declarations with more than 3 parameters.
+      "FunctionDeclaration[params.length>3]": function(functionDeclarationNode) {
+        // ...your logic here
+      }
+    };
+  }
+};
+```
+
+Adding `:exit` to the end of a selector will cause the listener to be called when the matching nodes are exited during traversal, rather than when they are entered.
+
+If two or more selectors match the same node, their listeners will be called in order of increasing specificity. The specificity of an AST selector is similar to the specificity of a CSS selector:
+
+* When comparing two selectors, the selector that contains more class selectors, attribute selectors, and pseudo-class selectors (excluding `:not()`) has higher specificity.
+* If the class/attribute/pseudo-class count is tied, the selector that contains more node type selectors has higher specificity.
+
+If multiple selectors have equal specificity, their listeners will be called in alphabetical order for that node.
+
+### Restricting syntax with selectors
+
+With the [no-restricted-syntax](/docs/rules/no-restricted-syntax.md) rule, you can restrict the usage of particular syntax in your code. For example, you can use the following configuration to disallow using `if` statements that do not have block statements as their body:
+
+```json
+{
+  "rules": {
+    "no-restricted-syntax": ["error", "IfStatement > :not(BlockStatement).consequent"]
+  }
+}
+```
+
+...or equivalently, you can use this configuration:
+
+```json
+{
+  "rules": {
+    "no-restricted-syntax": ["error", "IfStatement[consequent.type!='BlockStatement']"]
+  }
+}
+```
+
+As another example, you can disallow calls to `require()`:
+
+```json
+{
+  "rules": {
+    "no-restricted-syntax": ["error", "CallExpression[callee.name='require']"]
+  }
+}
+```
+
+Or you can enforce that calls to `setTimeout` always have two arguments:
+
+```json
+{
+  "rules": {
+    "no-restricted-syntax": ["error", "CallExpression[callee.name='setTimeout'][arguments.length!=2]"]
+  }
+}
+```
+
+Using selectors in the `no-restricted-syntax` rule can give you a lot of control over problematic patterns in your codebase, without needing to write custom rules to detect each pattern.
diff --git a/eslint/docs/developer-guide/shareable-configs.md b/eslint/docs/developer-guide/shareable-configs.md
new file mode 100644
index 0000000..2181d1b
--- /dev/null
+++ b/eslint/docs/developer-guide/shareable-configs.md
@@ -0,0 +1,209 @@
+# Shareable Configs
+
+The configuration that you have in your `.eslintrc` file is an important part of your project, and as such, you may want to share it with other projects or people. Shareable configs allow you to publish your configuration settings on [npm](https://www.npmjs.com/) and have others download and use it in their ESLint projects.
+
+## Creating a Shareable Config
+
+Shareable configs are simply npm packages that export a configuration object. To start, [create a Node.js module](https://docs.npmjs.com/getting-started/creating-node-modules) like you normally would. Make sure the module name begins with `eslint-config-`, such as `eslint-config-myconfig`.
+
+npm [scoped modules](https://docs.npmjs.com/misc/scope) are also supported, by naming or prefixing the module with `@scope/eslint-config`, such as `@scope/eslint-config` or `@scope/eslint-config-myconfig`.
+
+Create a new `index.js` file and export an object containing your settings:
+
+```js
+module.exports = {
+
+    globals: {
+        MyGlobal: true
+    },
+
+    rules: {
+        semi: [2, "always"]
+    }
+
+};
+```
+
+Since `index.js` is just JavaScript, you can optionally read these settings from a file or generate them dynamically.
+
+## Publishing a Shareable Config
+
+Once your shareable config is ready, you can [publish to npm](https://docs.npmjs.com/getting-started/publishing-npm-packages) to share with others. We recommend using the `eslint` and `eslintconfig` keywords so others can easily find your module.
+
+You should declare your dependency on ESLint in `package.json` using the [peerDependencies](https://docs.npmjs.com/files/package.json#peerdependencies) field. The recommended way to declare a dependency for future proof compatibility is with the ">=" range syntax, using the lowest required ESLint version. For example:
+
+```
+"peerDependencies": {
+    "eslint": ">= 3"
+}
+```
+
+If your shareable config depends on a plugin, you should also specify it as a `peerDependency` (plugins will be loaded relative to the end user's project, so the end user is required to install the plugins they need). However, if your shareable config depends on a third-party parser or another shareable config, you can specify these packages as `dependencies`.
+
+You can also test your shareable config on your computer before publishing by linking your module globally. Type:
+
+```bash
+npm link
+```
+
+Then, in your project that wants to use your shareable config, type:
+
+```bash
+npm link eslint-config-myconfig
+```
+
+Be sure to replace `eslint-config-myconfig` with the actual name of your module.
+
+## Using a Shareable Config
+
+Shareable configs are designed to work with the `extends` feature of `.eslintrc` files. Instead of using a file path for the value of `extends`, use your module name. For example:
+
+```json
+{
+    "extends": "eslint-config-myconfig"
+}
+```
+
+You can also omit the `eslint-config-` and it will be automatically assumed by ESLint:
+
+```json
+{
+    "extends": "myconfig"
+}
+```
+
+### npm scoped modules
+
+npm [scoped modules](https://docs.npmjs.com/misc/scope) are also supported in a number of ways.
+
+
+By using the module name:
+
+```json
+{
+    "extends": "@scope/eslint-config"
+}
+```
+
+You can also omit the `eslint-config` and it will be automatically assumed by ESLint:
+
+```json
+{
+    "extends": "@scope"
+}
+```
+
+The module name can also be customized, just note that when using [scoped modules](https://docs.npmjs.com/misc/scope) it is not possible to omit the `eslint-config-` prefix. Doing so would result in package naming conflicts, and thus in resolution errors in most of cases. For example a package named `@scope/eslint-config-myconfig` vs `@scope/my-config`, since both are valid scoped package names, the configuration should be specified as:
+
+```json
+{
+    "extends": "@scope/eslint-config-myconfig"
+}
+```
+
+You can override settings from the shareable config by adding them directly into your `.eslintrc` file.
+
+## Sharing Multiple Configs
+
+It's possible to share multiple configs in the same npm package. You can specify a default config for the package by following the directions in the first section. You can specify additional configs by simply adding a new file to your npm package and then referencing it from your ESLint config.
+
+As an example, you can create a file called `my-special-config.js` in the root of your npm package and export a config, such as:
+
+```js
+module.exports = {
+    rules: {
+        quotes: [2, "double"]
+    }
+};
+```
+
+Then, assuming you're using the package name `eslint-config-myconfig`, you can access the additional config via:
+
+```json
+{
+    "extends": "myconfig/my-special-config"
+}
+```
+
+When using [scoped modules](https://docs.npmjs.com/misc/scope) it is not possible to omit the `eslint-config` namespace. Doing so would result in resolution errors as explained above. Assuming the package name is `@scope/eslint-config`, the additional config can be accessed as:
+
+```json
+{
+    "extends": "@scope/eslint-config/my-special-config"
+}
+```
+
+Note that you can leave off the `.js` from the filename. In this way, you can add as many additional configs to your package as you'd like.
+
+**Important:** We strongly recommend always including a default config for your plugin to avoid errors.
+
+## Local Config File Resolution
+
+If you need to make multiple configs that can extend from each other and live in different directories, you can create a single shareable config that handles this scenario.
+
+As an example, let's assume you're using the package name `eslint-config-myconfig` and your package looks something like this:
+
+```text
+myconfig
+├── index.js
+└─┬ lib
+  ├── defaults.js
+  ├── dev.js
+  ├── ci.js
+  └─┬ ci
+    ├── frontend.js
+    ├── backend.js
+    └── common.js
+```
+
+In your `index.js` you can do something like this:
+
+```js
+module.exports = require('./lib/ci.js');
+```
+
+Now inside your package you have `/lib/defaults.js`, which contains:
+
+```js
+module.exports = {
+    rules: {
+        'no-console': 1
+    }
+};
+```
+
+Inside your `/lib/ci.js` you have
+
+```js
+module.exports = require('./ci/backend');
+```
+
+Inside your `/lib/ci/common.js`
+
+```js
+module.exports = {
+    rules: {
+        'no-alert': 2
+    },
+    extends: 'myconfig/lib/defaults'
+};
+```
+
+Despite being in an entirely different directory, you'll see that all `extends` must use the full package path to the config file you wish to extend.
+
+Now inside your `/lib/ci/backend.js`
+
+```js
+module.exports = {
+    rules: {
+        'no-console': 1
+    },
+    extends: 'myconfig/lib/ci/common'
+};
+```
+
+In the last file, you'll once again see that to properly resolve your config, you'll need include the full package path.
+
+## Further Reading
+
+* [npm Developer Guide](https://docs.npmjs.com/misc/developers)
diff --git a/eslint/docs/developer-guide/source-code.md b/eslint/docs/developer-guide/source-code.md
new file mode 100644
index 0000000..a7e9434
--- /dev/null
+++ b/eslint/docs/developer-guide/source-code.md
@@ -0,0 +1,40 @@
+# Source Code
+
+ESLint is hosted at [GitHub](https://github.com/eslint/eslint) and uses [Git](https://git-scm.com/) for source control. In order to obtain the source code, you must first install Git on your system. Instructions for installing and setting up Git can be found at [https://help.github.com/articles/set-up-git/](https://help.github.com/articles/set-up-git/).
+
+If you simply want to create a local copy of the source to play with, you can clone the main repository using this command:
+
+    git clone git://github.com/eslint/eslint.git
+
+If you're planning on contributing to ESLint, then it's a good idea to fork the repository. You can find instructions for forking a repository at [https://help.github.com/articles/fork-a-repo/](https://help.github.com/articles/fork-a-repo/). After forking the ESLint repository, you'll want to create a local copy of your fork.
+
+## Start Developing
+
+Before you can get started developing, you'll need to have a couple of things installed:
+
+* [Node.JS](https://nodejs.org)
+* [npm](https://www.npmjs.com/)
+
+Once you have a local copy and have Node.JS and npm installed, you'll need to install the ESLint dependencies:
+
+    cd eslint
+    npm install
+
+Now when you run `eslint`, it will be running your local copy and showing your changes.
+
+**Note:** It's a good idea to re-rerun `npm install` whenever you pull from the main repository to ensure you have the latest development dependencies.
+
+## Directory structure
+
+The ESLint directory and file structure is as follows:
+
+* `bin` - executable files that are available when ESLint is installed
+* `conf` - default configuration information
+* `docs` - documentation for the project
+* `lib` - contains the source code
+    * `formatters` - all source files defining formatters
+    * `rules` - all source files defining rules
+* `tests` - the main unit test folder
+    * `lib` - tests for the source code
+        * `formatters` - tests for the formatters
+        * `rules` - tests for the rules
diff --git a/eslint/docs/developer-guide/unit-tests.md b/eslint/docs/developer-guide/unit-tests.md
new file mode 100644
index 0000000..281c396
--- /dev/null
+++ b/eslint/docs/developer-guide/unit-tests.md
@@ -0,0 +1,21 @@
+# Unit Tests
+
+Most parts of ESLint have unit tests associated with them. Unit tests are written using [Mocha](https://mochajs.org/) and are required when making contributions to ESLint. You'll find all of the unit tests in the `tests` directory.
+
+When you first get the source code, you need to run `npm install` once initially to set ESLint for development. Once you've done that, you can run the tests via:
+
+    npm test
+
+This automatically starts Mocha and runs all tests in the `tests` directory. You need only add yours and it will automatically be picked up when running tests.
+
+## Running Individual Tests
+
+If you want to quickly run just one test, you can do so by running Mocha directly and passing in the filename. For example:
+
+    npm run test:cli tests/lib/rules/no-wrap-func.js
+
+Running individual tests is useful when you're working on a specific bug and iterating on the solution. You should be sure to run `npm test` before submitting a pull request.
+
+## More Control on Unit Testing
+
+`npm run test:cli` is an alias of the Mocha cli in `./node_modules/.bin/mocha`. [Options](https://mochajs.org/#command-line-usage) are available to be provided to help to better control the test to run.
diff --git a/eslint/docs/developer-guide/working-with-custom-formatters.md b/eslint/docs/developer-guide/working-with-custom-formatters.md
new file mode 100644
index 0000000..8cb6738
--- /dev/null
+++ b/eslint/docs/developer-guide/working-with-custom-formatters.md
@@ -0,0 +1,368 @@
+# Working with Custom Formatters
+
+While ESLint has some built-in formatters available to format the linting results, it's also possible to create and distribute your own custom formatters. You can include custom formatters in your project directly or create an npm package to distribute them separately.
+
+Each formatter is just a function that receives a `results` object and returns a string. For example, the following is how the `json` built-in formatter is implemented:
+
+```js
+//my-awesome-formatter.js
+module.exports = function(results) {
+    return JSON.stringify(results, null, 2);
+};
+```
+
+To run ESLint with this formatter, you can use the `-f` (or `--formatter`) command line flag:
+
+```bash
+eslint -f ./my-awesome-formatter.js src/
+```
+
+In order to use a local file as a custom formatter, you must begin the filename with a dot (such as `./my-awesome-formatter.js` or `../formatters/my-awesome-formatter.js`).
+
+### The `data` Argument
+
+The exported function receives an optional second argument named `data`. The `data` object provides extended information related to the analysis results. Currently, the `data` object consists of a single property named `rulesMeta`. This property is a dictionary of rule metadata, keyed with `ruleId`. The value for each entry is the `meta` property from the corresponding rule object. The dictionary contains an entry for each rule that was run during the analysis.
+
+Here's what the `data` object would look like if one rule, `no-extra-semi`, had been run:
+
+```js
+{
+    rulesMeta: {
+        "no-extra-semi": {
+            type: "suggestion",
+            docs: {
+                description: "disallow unnecessary semicolons",
+                category: "Possible Errors",
+                recommended: true,
+                url: "https://eslint.org/docs/rules/no-extra-semi"
+            },
+            fixable: "code",
+            schema: [],
+            messages: {
+                unexpected: "Unnecessary semicolon."
+            }
+        }
+    }
+}
+```
+
+The [Using Rule metadata](#using-rule-metadata) example shows how to use the `data` object in a custom formatter. See the [Working with Rules](https://eslint.org/docs/developer-guide/working-with-rules) page for more information about rules.
+
+## Packaging the Custom Formatter
+
+Custom formatters can also be distributed through npm packages. To do so, create an npm package with a name in the format of `eslint-formatter-*`, where `*` is the name of your formatter (such as `eslint-formatter-awesome`). Projects should then install the package and can use the custom formatter with the `-f` (or `--formatter`) flag like this:
+
+```bash
+eslint -f awesome src/
+```
+
+Because ESLint knows to look for packages beginning with `eslint-formatter-` when the specified formatter doesn't begin with a dot, there is no need to type `eslint-formatter-` when using a packaged custom formatter.
+
+Tips for `package.json`:
+
+* The `main` entry should be the JavaScript file implementing your custom formatter.
+* Add these `keywords` to help users find your formatter:
+    * `"eslint"`
+    * `"eslint-formatter"`
+    * `"eslintformatter"`
+
+See all [formatters on npm](https://www.npmjs.com/search?q=eslint-formatter);
+
+## The `results` Object
+
+The `results` object passed into a formatter is an array of objects containing the lint results for individual files. Here's some example output:
+
+```js
+[
+    {
+        filePath: "path/to/file.js",
+        messages: [
+            {
+                ruleId: "curly",
+                severity: 2,
+                message: "Expected { after 'if' condition.",
+                line: 2,
+                column: 1,
+                nodeType: "IfStatement"
+            },
+            {
+                ruleId: "no-process-exit",
+                severity: 2,
+                message: "Don't use process.exit(); throw an error instead.",
+                line: 3,
+                column: 1,
+                nodeType: "CallExpression"
+            }
+        ],
+        errorCount: 2,
+        warningCount: 0,
+        fixableErrorCount: 0,
+        fixableWarningCount: 0,
+        source:
+            "var err = doStuff();\nif (err) console.log('failed tests: ' + err);\nprocess.exit(1);\n"
+    },
+    {
+        filePath: "Gruntfile.js",
+        messages: [],
+        errorCount: 0,
+        warningCount: 0,
+        fixableErrorCount: 0,
+        fixableWarningCount: 0
+    }
+]
+```
+
+### The `result` Object
+
+<!-- This section is copied from the "Node.js API" page. Changes to this section should
+also be manually applied to that page. -->
+
+Each object in the `results` array is a `result` object. Each `result` object contains the path of the file that was linted and information about linting issues that were encountered. Here are the properties available on each `result` object:
+
+*   **filePath**: The absolute path to the file that was linted.
+*   **messages**: An array of `message` objects. See below for more info about messages.
+*   **errorCount**: The number of errors for the given file.
+*   **warningCount**: The number of warnings for the given file.
+*   **source**: The source code for the given file. This property is omitted if this file has no errors/warnings or if the `output` property is present.
+*   **output**: The source code for the given file with as many fixes applied as possible. This property is omitted if no fix is available.
+
+### The `message` Object
+
+Each `message` object contains information about the ESLint rule that was triggered by some source code. The properties available on each `message` object are:
+
+*   **ruleId**: the ID of the rule that produced the error or warning.
+*   **severity**: the severity of the failure, `1` for warnings and `2` for errors.
+*   **message**: the human readable description of the error.
+*   **line**: the line where the issue is located.
+*   **column**: the column where the issue is located.
+*   **nodeType**: the type of the node in the [AST](https://github.com/estree/estree/blob/master/spec.md#node-objects)
+
+## Examples
+
+### Summary formatter
+
+A formatter that only cares about the total count of errors and warnings will look like this:
+
+```javascript
+module.exports = function(results) {
+    // accumulate the errors and warnings
+    var summary = results.reduce(
+        function(seq, current) {
+            seq.errors += current.errorCount;
+            seq.warnings += current.warningCount;
+            return seq;
+        },
+        { errors: 0, warnings: 0 }
+    );
+
+    if (summary.errors > 0 || summary.warnings > 0) {
+        return (
+            "Errors: " +
+            summary.errors +
+            ", Warnings: " +
+            summary.warnings +
+            "\n"
+        );
+    }
+
+    return "";
+};
+```
+
+Running `eslint` with the previous custom formatter,
+
+```bash
+eslint -f ./my-awesome-formatter.js src/
+```
+
+Will produce the following output:
+
+```bash
+Errors: 2, Warnings: 4
+```
+
+### Detailed formatter
+
+A more complex report will look something like this:
+
+```javascript
+module.exports = function(results, data) {
+    var results = results || [];
+
+    var summary = results.reduce(
+        function(seq, current) {
+            current.messages.forEach(function(msg) {
+                var logMessage = {
+                    filePath: current.filePath,
+                    ruleId: msg.ruleId,
+                    ruleUrl: data.rulesMeta[msg.ruleId].url,
+                    message: msg.message,
+                    line: msg.line,
+                    column: msg.column
+                };
+
+                if (msg.severity === 1) {
+                    logMessage.type = "warning";
+                    seq.warnings.push(logMessage);
+                }
+                if (msg.severity === 2) {
+                    logMessage.type = "error";
+                    seq.errors.push(logMessage);
+                }
+            });
+            return seq;
+        },
+        {
+            errors: [],
+            warnings: []
+        }
+    );
+
+    if (summary.errors.length > 0 || summary.warnings.length > 0) {
+        var lines = summary.errors
+            .concat(summary.warnings)
+            .map(function(msg) {
+                return (
+                    "\n" +
+                    msg.type +
+                    " " +
+                    msg.ruleId + (msg.ruleUrl ? " (" + msg.ruleUrl + ")" : ""
+                    "\n  " +
+                    msg.filePath +
+                    ":" +
+                    msg.line +
+                    ":" +
+                    msg.column
+                );
+            })
+            .join("\n");
+
+        return lines + "\n";
+    }
+};
+```
+
+So running `eslint` with this custom formatter:
+
+```bash
+eslint -f ./my-awesome-formatter.js src/
+```
+
+The output will be
+
+```bash
+error space-infix-ops (https://eslint.org/docs/rules/space-infix-ops)
+  src/configs/bundler.js:6:8
+error semi (https://eslint.org/docs/rules/semi)
+  src/configs/bundler.js:6:10
+warning no-unused-vars (https://eslint.org/docs/rules/no-unused-vars)
+  src/configs/bundler.js:5:6
+warning no-unused-vars (https://eslint.org/docs/rules/no-unused-vars)
+  src/configs/bundler.js:6:6
+warning no-shadow (https://eslint.org/docs/rules/no-shadow)
+  src/configs/bundler.js:65:32
+warning no-unused-vars (https://eslint.org/docs/rules/no-unused-vars)
+  src/configs/clean.js:3:6
+```
+
+## Passing Arguments to Formatters
+
+While custom formatter do not receive arguments in addition to the results object, it is possible to pass additional data into formatters.
+
+## Using Environment Variables
+
+Custom formatters have access to environment variables and so can change their behavior based on environment variable data. Here's an example that uses a `AF_SKIP_WARNINGS` environment variable to determine whether or not to show warnings in the results:
+
+```js
+module.exports = function(results) {
+    var skipWarnings = process.env.AF_SKIP_WARNINGS === "true"; //af stands for awesome-formatter
+
+    var results = results || [];
+    var summary = results.reduce(
+        function(seq, current) {
+            current.messages.forEach(function(msg) {
+                var logMessage = {
+                    filePath: current.filePath,
+                    ruleId: msg.ruleId,
+                    message: msg.message,
+                    line: msg.line,
+                    column: msg.column
+                };
+
+                if (msg.severity === 1) {
+                    logMessage.type = "warning";
+                    seq.warnings.push(logMessage);
+                }
+                if (msg.severity === 2) {
+                    logMessage.type = "error";
+                    seq.errors.push(logMessage);
+                }
+            });
+            return seq;
+        },
+        {
+            errors: [],
+            warnings: []
+        }
+    );
+
+    if (summary.errors.length > 0 || summary.warnings.length > 0) {
+        var warnings = !skipWarnings ? summary.warnings : []; // skip the warnings in that case
+
+        var lines = summary.errors
+            .concat(warnings)
+            .map(function(msg) {
+                return (
+                    "\n" +
+                    msg.type +
+                    " " +
+                    msg.ruleId +
+                    "\n  " +
+                    msg.filePath +
+                    ":" +
+                    msg.line +
+                    ":" +
+                    msg.column
+                );
+            })
+            .join("\n");
+
+        return lines + "\n";
+    }
+};
+```
+
+You would run ESLint with this custom formatter and an environment variable set like this:
+
+```bash
+AF_SKIP_WARNINGS=true eslint -f ./my-awesome-formatter.js src/
+```
+
+The output would be:
+
+```bash
+error space-infix-ops
+  src/configs/bundler.js:6:8
+
+error semi
+  src/configs/bundler.js:6:10
+```
+
+
+### Complex Argument Passing
+
+If you find the custom formatter pattern doesn't provide enough options for the way you'd like to format ESLint results, the best option is to use ESLint's built-in [JSON formatter](https://eslint.org/docs/user-guide/formatters/) and pipe the output to a second program. For example:
+
+```bash
+eslint -f json src/ | your-program-that-reads-JSON --option
+```
+
+In this example, the `your-program-that-reads-json` program can accept the raw JSON of ESLint results and process it before outputting its own format of the results. You can pass as many command line arguments to that program as are necessary to customize the output.
+
+## Note: Formatting for Terminals
+
+Modern terminals like [iTerm2](https://www.iterm2.com/) or [Guake](http://guake-project.org/) expect a specific results format to automatically open filenames when they are clicked. Most terminals support this format for that purpose:
+
+```bash
+file:line:column
+```
diff --git a/eslint/docs/developer-guide/working-with-custom-parsers.md b/eslint/docs/developer-guide/working-with-custom-parsers.md
new file mode 100644
index 0000000..6387b84
--- /dev/null
+++ b/eslint/docs/developer-guide/working-with-custom-parsers.md
@@ -0,0 +1,73 @@
+# Working with Custom Parsers
+
+If you want to use your own parser and provide additional capabilities for your rules, you can specify your own custom parser. If a `parseForESLint` method is exposed on the parser, this method will be used to parse the code. Otherwise, the `parse` method will be used. Both methods should take in the source code as the first argument, and an optional configuration object as the second argument (provided as `parserOptions` in a config file). The `parse` method should simply return the AST. The `parseForESLint` method should return an object that contains the required property `ast` and optional properties `services`, `scopeManager`, and `visitorKeys`.
+
+* `ast` should contain the AST.
+* `services` can contain any parser-dependent services (such as type checkers for nodes). The value of the `services` property is available to rules as `context.parserServices`. Default is an empty object.
+* `scopeManager` can be a [ScopeManager](./scope-manager-interface.md) object. Custom parsers can use customized scope analysis for experimental/enhancement syntaxes. Default is the `ScopeManager` object which is created by [eslint-scope](https://github.com/eslint/eslint-scope).
+    * Support for `scopeManager` was added in ESLint v4.14.0. ESLint versions which support `scopeManager` will provide an `eslintScopeManager: true` property in `parserOptions`, which can be used for feature detection.
+* `visitorKeys` can be an object to customize AST traversal. The keys of the object are the type of AST nodes. Each value is an array of the property names which should be traversed. Default is [KEYS of `eslint-visitor-keys`](https://github.com/eslint/eslint-visitor-keys#evkkeys).
+    * Support for `visitorKeys` was added in ESLint v4.14.0. ESLint versions which support `visitorKeys` will provide an `eslintVisitorKeys: true` property in `parserOptions`, which can be used for feature detection.
+
+You can find an ESLint parser project [here](https://github.com/typescript-eslint/typescript-eslint).
+
+```json
+{
+    "parser": "./path/to/awesome-custom-parser.js"
+}
+```
+
+```javascript
+var espree = require("espree");
+// awesome-custom-parser.js
+exports.parseForESLint = function(code, options) {
+    return {
+        ast: espree.parse(code, options),
+        services: {
+            foo: function() {
+                console.log("foo");
+            }
+        },
+        scopeManager: null,
+        visitorKeys: null
+    };
+};
+
+```
+
+## The AST specification
+
+The AST that custom parsers should create is based on [ESTree](https://github.com/estree/estree). The AST requires some additional properties about detail information of the source code.
+
+### All nodes:
+
+All nodes must have `range` property.
+
+* `range` (`number[]`) is an array of two numbers. Both numbers are a 0-based index which is the position in the array of source code characters. The first is the start position of the node, the second is the end position of the node. `code.slice(node.range[0], node.range[1])` must be the text of the node. This range does not include spaces/parentheses which are around the node.
+* `loc` (`SourceLocation`) must not be `null`. [The `loc` property is defined as nullable by ESTree](https://github.com/estree/estree/blob/25834f7247d44d3156030f8e8a2d07644d771fdb/es5.md#node-objects), but ESLint requires this property. On the other hand, `SourceLocation#source` property can be `undefined`. ESLint does not use the `SourceLocation#source` property.
+
+The `parent` property of all nodes must be rewritable. ESLint sets each node's `parent` property to its parent node while traversing, before any rules have access to the AST.
+
+### The `Program` node:
+
+The `Program` node must have `tokens` and `comments` properties. Both properties are an array of the below Token interface.
+
+```ts
+interface Token {
+    type: string;
+    loc: SourceLocation;
+    range: [number, number]; // See "All nodes:" section for details of `range` property.
+    value: string;
+}
+```
+
+* `tokens` (`Token[]`) is the array of tokens which affect the behavior of programs. Arbitrary spaces can exist between tokens, so rules check the `Token#range` to detect spaces between tokens. This must be sorted by `Token#range[0]`.
+* `comments` (`Token[]`) is the array of comment tokens. This must be sorted by `Token#range[0]`.
+
+The range indexes of all tokens and comments must not overlap with the range of other tokens and comments.
+
+### The `Literal` node:
+
+The `Literal` node must have `raw` property.
+
+* `raw` (`string`) is the source code of this literal. This is the same as `code.slice(node.range[0], node.range[1])`.
diff --git a/eslint/docs/developer-guide/working-with-plugins.md b/eslint/docs/developer-guide/working-with-plugins.md
new file mode 100644
index 0000000..a2b238c
--- /dev/null
+++ b/eslint/docs/developer-guide/working-with-plugins.md
@@ -0,0 +1,232 @@
+# Working with Plugins
+
+Each plugin is an npm module with a name in the format of `eslint-plugin-<plugin-name>`, such as `eslint-plugin-jquery`. You can also use scoped packages in the format of `@<scope>/eslint-plugin-<plugin-name>` such as `@jquery/eslint-plugin-jquery` or even `@<scope>/eslint-plugin` such as `@jquery/eslint-plugin`.
+
+## Create a Plugin
+
+The easiest way to start creating a plugin is to use the [Yeoman generator](https://www.npmjs.com/package/generator-eslint). The generator will guide you through setting up the skeleton of a plugin.
+
+### Rules in Plugins
+
+Plugins can expose additional rules for use in ESLint. To do so, the plugin must export a `rules` object containing a key-value mapping of rule ID to rule. The rule ID does not have to follow any naming convention (so it can just be `dollar-sign`, for instance).
+
+```js
+module.exports = {
+    rules: {
+        "dollar-sign": {
+            create: function (context) {
+                // rule implementation ...
+            }
+        }
+    }
+};
+```
+
+To use the rule in ESLint, you would use the unprefixed plugin name, followed by a slash, followed by the rule name. So if this plugin were named `eslint-plugin-myplugin`, then in your configuration you'd refer to the rule by the name `myplugin/dollar-sign`. Example: `"rules": {"myplugin/dollar-sign": 2}`.
+
+### Environments in Plugins
+
+Plugins can expose additional environments for use in ESLint. To do so, the plugin must export an `environments` object. The keys of the `environments` object are the names of the different environments provided and the values are the environment settings. For example:
+
+```js
+module.exports = {
+    environments: {
+        jquery: {
+            globals: {
+                $: false
+            }
+        }
+    }
+};
+```
+
+There's a `jquery` environment defined in this plugin. To use the environment in ESLint, you would use the unprefixed plugin name, followed by a slash, followed by the environment name. So if this plugin were named `eslint-plugin-myplugin`, then you would set the environment in your configuration to be `"myplugin/jquery"`.
+
+Plugin environments can define the following objects:
+
+1. `globals` - acts the same `globals` in a configuration file. The keys are the names of the globals and the values are `true` to allow the global to be overwritten and `false` to disallow.
+1. `parserOptions` - acts the same as `parserOptions` in a configuration file.
+
+### Processors in Plugins
+
+You can also create plugins that would tell ESLint how to process files other than JavaScript. In order to create a processor, the object that is exported from your module has to conform to the following interface:
+
+```js
+module.exports = {
+    processors: {
+        "processor-name": {
+            // takes text of the file and filename
+            preprocess: function(text, filename) {
+                // here, you can strip out any non-JS content
+                // and split into multiple strings to lint
+
+                return [ // return an array of code blocks to lint
+                    { text: code1, filename: "0.js" },
+                    { text: code2, filename: "1.js" },
+                ];
+            },
+
+            // takes a Message[][] and filename
+            postprocess: function(messages, filename) {
+                // `messages` argument contains two-dimensional array of Message objects
+                // where each top-level array item contains array of lint messages related
+                // to the text that was returned in array from preprocess() method
+
+                // you need to return a one-dimensional array of the messages you want to keep
+                return [].concat(...messages);
+            },
+
+            supportsAutofix: true // (optional, defaults to false)
+        }
+    }
+};
+```
+
+**The `preprocess` method** takes the file contents and filename as arguments, and returns an array of code blocks to lint. The code blocks will be linted separately but still be registered to the filename.
+
+A code block has two properties `text` and `filename`; the `text` property is the content of the block and the `filename` property is the name of the block. Name of the block can be anything, but should include the file extension, that would tell the linter how to process the current block. The linter will check [`--ext` CLI option](../user-guide/command-line-interface.md#--ext) to see if the current block should be linted, and resolve `overrides` configs to check how to process the current block.
+
+It's up to the plugin to decide if it needs to return just one part, or multiple pieces. For example in the case of processing `.html` files, you might want to return just one item in the array by combining all scripts, but for `.md` file where each JavaScript block might be independent, you can return multiple items.
+
+**The `postprocess` method** takes a two-dimensional array of arrays of lint messages and the filename. Each item in the input array corresponds to the part that was returned from the `preprocess` method. The `postprocess` method must adjust the locations of all errors to correspond to locations in the original, unprocessed code, and aggregate them into a single flat array and return it.
+
+Reported problems have the following location information:
+
+```typescript
+{
+    line: number,
+    column: number,
+
+    endLine?: number,
+    endColumn?: number
+}
+```
+
+By default, ESLint will not perform autofixes when a processor is used, even when the `--fix` flag is enabled on the command line. To allow ESLint to autofix code when using your processor, you should take the following additional steps:
+
+1. Update the `postprocess` method to additionally transform the `fix` property of reported problems. All autofixable problems will have a `fix` property, which is an object with the following schema:
+
+    ```js
+    {
+        range: [number, number],
+        text: string
+    }
+    ```
+
+    The `range` property contains two indexes in the code, referring to the start and end location of a contiguous section of text that will be replaced. The `text` property refers to the text that will replace the given range.
+
+    In the initial list of problems, the `fix` property will refer to a fix in the processed JavaScript. The `postprocess` method should transform the object to refer to a fix in the original, unprocessed file.
+
+2. Add a `supportsAutofix: true` property to the processor.
+
+You can have both rules and processors in a single plugin. You can also have multiple processors in one plugin.
+To support multiple extensions, add each one to the `processors` element and point them to the same object.
+
+#### Specifying Processor in Config Files
+
+To use a processor, add its ID to a `processor` section in the config file. Processor ID is a concatenated string of plugin name and processor name with a slash as a separator. This can also be added to a `overrides` section of the config, to specify which processors should handle which files.
+
+For example:
+
+```yml
+plugins:
+  - a-plugin
+overrides:
+  - files: "*.md"
+    processor: a-plugin/markdown
+```
+
+See [Specifying Processor](../user-guide/configuring.md#specifying-processor) for details.
+
+#### File Extension-named Processor
+
+If a processor name starts with `.`, ESLint handles the processor as a **file extension-named processor** especially and applies the processor to the kind of files automatically. People don't need to specify the file extension-named processors in their config files.
+
+For example:
+
+```js
+module.exports = {
+    processors: {
+        // This processor will be applied to `*.md` files automatically.
+        // Also, people can use this processor as "plugin-id/.md" explicitly.
+        ".md": {
+            preprocess(text, filename) { /* ... */ },
+            postprocess(messageLists, filename) { /* ... */ }
+        }
+    }
+}
+```
+
+### Configs in Plugins
+
+You can bundle configurations inside a plugin by specifying them under the `configs` key. This can be useful when you want to provide not just code style, but also some custom rules to support it. Multiple configurations are supported per plugin. Note that it is not possible to specify a default configuration for a given plugin and that users must specify in their configuration file when they want to use one.
+
+```js
+// eslint-plugin-myPlugin
+
+module.exports = {
+    configs: {
+        myConfig: {
+            plugins: ["myPlugin"],
+            env: ["browser"],
+            rules: {
+                semi: "error",
+                "myPlugin/my-rule": "error",
+                "eslint-plugin-myPlugin/another-rule": "error"
+            }
+        },
+        myOtherConfig: {
+            plugins: ["myPlugin"],
+            env: ["node"],
+            rules: {
+                "myPlugin/my-rule": "off",
+                "eslint-plugin-myPlugin/another-rule": "off"
+                "eslint-plugin-myPlugin/yet-another-rule": "error"
+            }
+        }
+    }
+};
+```
+
+If the example plugin above were called `eslint-plugin-myPlugin`, the `myConfig` and `myOtherConfig` configurations would then be usable by extending off of `"plugin:myPlugin/myConfig"` and `"plugin:myPlugin/myOtherConfig"`, respectively.
+
+```json
+{
+    "extends": ["plugin:myPlugin/myConfig"]
+}
+
+```
+
+**Note:** Please note that configuration will not enable any of the plugin's rules by default, and instead should be treated as a standalone config. This means that you must specify your plugin name in the `plugins` array as well as any rules you want to enable that are part of the plugin. Any plugin rules must be prefixed with the short or long plugin name. See [Configuring Plugins](../user-guide/configuring.md#configuring-plugins) for more information.
+
+### Peer Dependency
+
+To make clear that the plugin requires ESLint to work correctly you have to declare ESLint as a `peerDependency` in your `package.json`.
+The plugin support was introduced in ESLint version `0.8.0`. Ensure the `peerDependency` points to ESLint `0.8.0` or later.
+
+```json
+{
+    "peerDependencies": {
+        "eslint": ">=0.8.0"
+    }
+}
+```
+
+### Testing
+
+ESLint provides the [`RuleTester`](/docs/developer-guide/nodejs-api.md#ruletester) utility to make it easy to test the rules of your plugin.
+
+## Share Plugins
+
+In order to make your plugin available to the community you have to publish it on npm.
+
+Recommended keywords:
+
+* `eslint`
+* `eslintplugin`
+
+Add these keywords into your `package.json` file to make it easy for others to find.
+
+## Further Reading
+
+* [npm Developer Guide](https://docs.npmjs.com/misc/developers)
diff --git a/eslint/docs/developer-guide/working-with-rules-deprecated.md b/eslint/docs/developer-guide/working-with-rules-deprecated.md
new file mode 100644
index 0000000..a80f331
--- /dev/null
+++ b/eslint/docs/developer-guide/working-with-rules-deprecated.md
@@ -0,0 +1,575 @@
+# Working with Rules
+
+Each rule in ESLint has two files named with its identifier (for example, `no-extra-semi`).
+
+* in the `lib/rules` directory: a source file (for example, `no-extra-semi.js`)
+* in the `tests/lib/rules` directory: a test file (for example, `no-extra-semi.js`)
+
+**Important:** If you submit a **core** rule to the ESLint repository, you **must** follow some conventions explained below.
+
+Here is the basic format of the source file for a rule:
+
+```js
+/**
+ * @fileoverview Rule to disallow unnecessary semicolons
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    return {
+        // callback functions
+    };
+};
+
+module.exports.schema = []; // no options
+```
+
+## Rule Basics
+
+`schema` (array) specifies the [options](#options-schemas) so ESLint can prevent invalid [rule configurations](../user-guide/configuring.md#configuring-rules)
+
+`create` (function) returns an object with methods that ESLint calls to "visit" nodes while traversing the abstract syntax tree (AST as defined by [ESTree](https://github.com/estree/estree)) of JavaScript code:
+
+* if a key is a node type, ESLint calls that **visitor** function while going **down** the tree
+* if a key is a node type plus `:exit`, ESLint calls that **visitor** function while going **up** the tree
+* if a key is an event name, ESLint calls that **handler** function for [code path analysis](./code-path-analysis.md)
+
+A rule can use the current node and its surrounding tree to report or fix problems.
+
+Here are methods for the [array-callback-return](../rules/array-callback-return.md) rule:
+
+```js
+function checkLastSegment (node) {
+    // report problem for function if last code path segment is reachable
+}
+
+module.exports = function(context) {
+    // declare the state of the rule
+    return {
+        ReturnStatement: function(node) {
+            // at a ReturnStatement node while going down
+        },
+        // at a function expression node while going up:
+        "FunctionExpression:exit": checkLastSegment,
+        "ArrowFunctionExpression:exit": checkLastSegment,
+        onCodePathStart: function (codePath, node) {
+            // at the start of analyzing a code path
+        },
+        onCodePathEnd: function(codePath, node) {
+            // at the end of analyzing a code path
+        }
+    };
+};
+```
+
+## The Context Object
+
+The `context` object contains additional functionality that is helpful for rules to do their jobs. As the name implies, the `context` object contains information that is relevant to the context of the rule. The `context` object has the following properties:
+
+* `parserOptions` - the parser options configured for this run (more details [here](../user-guide/configuring.md#specifying-parser-options)).
+* `id` - the rule ID.
+* `options` - an array of rule options.
+* `settings` - the `settings` from configuration.
+* `parserPath` - the full path to the `parser` from configuration.
+
+Additionally, the `context` object has the following methods:
+
+* `getAncestors()` - returns an array of ancestor nodes based on the current traversal.
+* `getDeclaredVariables(node)` - returns the declared variables on the given node.
+* `getFilename()` - returns the filename associated with the source.
+* `getScope()` - returns the current scope.
+* `getSourceCode()` - returns a `SourceCode` object that you can use to work with the source that was passed to ESLint
+* `markVariableAsUsed(name)` - marks the named variable in scope as used. This affects the [no-unused-vars](../rules/no-unused-vars.md) rule.
+* `report(descriptor)` - reports a problem in the code.
+
+**Deprecated:** The following methods on the `context` object are deprecated. Please use the corresponding methods on `SourceCode` instead:
+
+* `getAllComments()` - returns an array of all comments in the source. Use `sourceCode.getAllComments()` instead.
+* `getComments(node)` - returns the leading and trailing comments arrays for the given node. Use `sourceCode.getComments(node)` instead.
+* `getFirstToken(node)` - returns the first token representing the given node. Use `sourceCode.getFirstToken(node)` instead.
+* `getFirstTokens(node, count)` - returns the first `count` tokens representing the given node. Use `sourceCode.getFirstTokens(node, count)` instead.
+* `getJSDocComment(node)` - returns the JSDoc comment for a given node or `null` if there is none. Use `sourceCode.getJSDocComment(node)` instead.
+* `getLastToken(node)` - returns the last token representing the given node.  Use `sourceCode.getLastToken(node)` instead.
+* `getLastTokens(node, count)` - returns the last `count` tokens representing the given node. Use `sourceCode.getLastTokens(node, count)` instead.
+* `getNodeByRangeIndex(index)` - returns the deepest node in the AST containing the given source index. Use `sourceCode.getNodeByRangeIndex(index)` instead.
+* `getSource(node)` - returns the source code for the given node. Omit `node` to get the whole source. Use `sourceCode.getText(node)` instead.
+* `getSourceLines()` - returns the entire source code split into an array of string lines. Use `sourceCode.lines` instead.
+* `getTokenAfter(nodeOrToken)` - returns the first token after the given node or token. Use `sourceCode.getTokenAfter(nodeOrToken)` instead.
+* `getTokenBefore(nodeOrToken)` - returns the first token before the given node or token. Use `sourceCode.getTokenBefore(nodeOrToken)` instead.
+* `getTokenByRangeStart(index)` - returns the token whose range starts at the given index in the source. Use `sourceCode.getTokenByRangeStart(index)` instead.
+* `getTokens(node)` - returns all tokens for the given node. Use `sourceCode.getTokens(node)` instead.
+* `getTokensAfter(nodeOrToken, count)` - returns `count` tokens after the given node or token. Use `sourceCode.getTokensAfter(nodeOrToken, count)` instead.
+* `getTokensBefore(nodeOrToken, count)` - returns `count` tokens before the given node or token. Use `sourceCode.getTokensBefore(nodeOrToken, count)` instead.
+* `getTokensBetween(node1, node2)` - returns the tokens between two nodes. Use `sourceCode.getTokensBetween(node1, node2)` instead.
+* `report(node, [location], message)` - reports a problem in the code.
+
+### context.report()
+
+The main method you'll use is `context.report()`, which publishes a warning or error (depending on the configuration being used). This method accepts a single argument, which is an object containing the following properties:
+
+* `message` - the problem message.
+* `node` - (optional)  the AST node related to the problem. If present and `loc` is not specified, then the starting location of the node is used as the location of the problem.
+* `loc` - (optional) an object specifying the location of the problem. If both `loc` and `node` are specified, then the location is used from `loc` instead of `node`.
+    * `line` - the 1-based line number at which the problem occurred.
+    * `column` - the 0-based column number at which the problem occurred.
+* `data` - (optional) placeholder data for `message`.
+* `fix` - (optional) a function that applies a fix to resolve the problem.
+
+Note that at least one of `node` or `loc` is required.
+
+The simplest example is to use just `node` and `message`:
+
+```js
+context.report({
+    node: node,
+    message: "Unexpected identifier"
+});
+```
+
+The node contains all of the information necessary to figure out the line and column number of the offending text as well the source text representing the node.
+
+You can also use placeholders in the message and provide `data`:
+
+```js
+{% raw %}
+context.report({
+    node: node,
+    message: "Unexpected identifier: {{ identifier }}",
+    data: {
+        identifier: node.name
+    }
+});
+{% endraw %}
+```
+
+Note that leading and trailing whitespace is optional in message parameters.
+
+The node contains all of the information necessary to figure out the line and column number of the offending text as well the source text representing the node.
+
+### Applying Fixes
+
+If you'd like ESLint to attempt to fix the problem you're reporting, you can do so by specifying the `fix` function when using `context.report()`. The `fix` function receives a single argument, a `fixer` object, that you can use to apply a fix. For example:
+
+```js
+context.report({
+    node: node,
+    message: "Missing semicolon".
+    fix: function(fixer) {
+        return fixer.insertTextAfter(node, ";");
+    }
+});
+```
+
+Here, the `fix()` function is used to insert a semicolon after the node. Note that the fix is not immediately applied and may not be applied at all if there are conflicts with other fixes. If the fix cannot be applied, then the problem message is reported as usual; if the fix can be applied, then the problem message is not reported.
+
+The `fixer` object has the following methods:
+
+* `insertTextAfter(nodeOrToken, text)` - inserts text after the given node or token
+* `insertTextAfterRange(range, text)` - inserts text after the given range
+* `insertTextBefore(nodeOrToken, text)` - inserts text before the given node or token
+* `insertTextBeforeRange(range, text)` - inserts text before the given range
+* `remove(nodeOrToken)` - removes the given node or token
+* `removeRange(range)` - removes text in the given range
+* `replaceText(nodeOrToken, text)` - replaces the text in the given node or token
+* `replaceTextRange(range, text)` - replaces the text in the given range
+
+Best practices for fixes:
+
+1. Make fixes that are as small as possible. Anything more than a single character is risky and could prevent other, simpler fixes from being made.
+1. Only make one fix per message. This is enforced because you must return the result of the fixer operation from `fix()`.
+1. Fixes should not introduce clashes with other rules. You can accidentally introduce a new problem that won't be reported until ESLint is run again. Another good reason to make as small a fix as possible.
+
+### context.options
+
+Some rules require options in order to function correctly. These options appear in configuration (`.eslintrc`, command line, or in comments). For example:
+
+```json
+{
+    "quotes": [2, "double"]
+}
+```
+
+The `quotes` rule in this example has one option, `"double"` (the `2` is the error level). You can retrieve the options for a rule by using `context.options`, which is an array containing every configured option for the rule. In this case, `context.options[0]` would contain `"double"`:
+
+```js
+module.exports = function(context) {
+
+    var isDouble = (context.options[0] === "double");
+
+    // ...
+}
+```
+
+Since `context.options` is just an array, you can use it to determine how many options have been passed as well as retrieving the actual options themselves. Keep in mind that the error level is not part of `context.options`, as the error level cannot be known or modified from inside a rule.
+
+When using options, make sure that your rule has some logic defaults in case the options are not provided.
+
+### context.getSourceCode()
+
+The `SourceCode` object is the main object for getting more information about the source code being linted. You can retrieve the `SourceCode` object at any time by using the `getSourceCode()` method:
+
+```js
+module.exports = function(context) {
+
+    var sourceCode = context.getSourceCode();
+
+    // ...
+}
+```
+
+Once you have an instance of `SourceCode`, you can use the methods on it to work with the code:
+
+* `getAllComments()` - returns an array of all comments in the source.
+* `getComments(node)` - returns the leading and trailing comments arrays for the given node.
+* `getFirstToken(node)` - returns the first token representing the given node.
+* `getFirstTokens(node, count)` - returns the first `count` tokens representing the given node.
+* `getJSDocComment(node)` - returns the JSDoc comment for a given node or `null` if there is none.
+* `getLastToken(node)` - returns the last token representing the given node.
+* `getLastTokens(node, count)` - returns the last `count` tokens representing the given node.
+* `getNodeByRangeIndex(index)` - returns the deepest node in the AST containing the given source index.
+* `isSpaceBetweenTokens(first, second)` - returns true if there is a whitespace character between the two tokens.
+* `getText(node)` - returns the source code for the given node. Omit `node` to get the whole source.
+* `getTokenAfter(nodeOrToken)` - returns the first token after the given node or token.
+* `getTokenBefore(nodeOrToken)` - returns the first token before the given node or token.
+* `getTokenByRangeStart(index)` - returns the token whose range starts at the given index in the source.
+* `getTokens(node)` - returns all tokens for the given node.
+* `getTokensAfter(nodeOrToken, count)` - returns `count` tokens after the given node or token.
+* `getTokensBefore(nodeOrToken, count)` - returns `count` tokens before the given node or token.
+* `getTokensBetween(node1, node2)` - returns the tokens between two nodes.
+
+There are also some properties you can access:
+
+* `hasBOM` - the flag to indicate whether or not the source code has Unicode BOM.
+* `text` - the full text of the code being linted. Unicode BOM has been stripped from this text.
+* `ast` - the `Program` node of the AST for the code being linted.
+* `lines` - an array of lines, split according to the specification's definition of line breaks.
+
+You should use a `SourceCode` object whenever you need to get more information about the code being linted.
+
+### Options Schemas
+
+Rules may export a `schema` property, which is a [JSON schema](http://json-schema.org/) format description of a rule's options which will be used by ESLint to validate configuration options and prevent invalid or unexpected inputs before they are passed to the rule in `context.options`.
+
+There are two formats for a rule's exported `schema`. The first is a full JSON Schema object describing all possible options the rule accepts, including the rule's error level as the first argument and any optional arguments thereafter.
+
+However, to simplify schema creation, rules may also export an array of schemas for each optional positional argument, and ESLint will automatically validate the required error level first. For example, the `yoda` rule accepts a primary mode argument, as well as an extra options object with named properties.
+
+```js
+// "yoda": [2, "never", { "exceptRange": true }]
+module.exports.schema = [
+    {
+        "enum": ["always", "never"]
+    },
+    {
+        "type": "object",
+        "properties": {
+            "exceptRange": {
+                "type": "boolean"
+            }
+        },
+        "additionalProperties": false
+    }
+];
+```
+
+In the preceding example, the error level is assumed to be the first argument. It is followed by the first optional argument, a string which may be either `"always"` or `"never"`. The final optional argument is an object, which may have a Boolean property named `exceptRange`.
+
+To learn more about JSON Schema, we recommend looking at some [examples](http://json-schema.org/examples.html) to start, and also reading [Understanding JSON Schema](http://spacetelescope.github.io/understanding-json-schema/) (a free ebook).
+
+### Getting the Source
+
+If your rule needs to get the actual JavaScript source to work with, then use the `sourceCode.getText()` method. This method works as follows:
+
+```js
+
+// get all source
+var source = sourceCode.getText();
+
+// get source for just this AST node
+var nodeSource = sourceCode.getText(node);
+
+// get source for AST node plus previous two characters
+var nodeSourceWithPrev = sourceCode.getText(node, 2);
+
+// get source for AST node plus following two characters
+var nodeSourceWithFollowing = sourceCode.getText(node, 0, 2);
+```
+
+In this way, you can look for patterns in the JavaScript text itself when the AST isn't providing the appropriate data (such as location of commas, semicolons, parentheses, etc.).
+
+### Accessing comments
+
+If you need to access comments for a specific node you can use `sourceCode.getComments(node)`:
+
+```js
+// the "comments" variable has a "leading" and "trailing" property containing
+// its leading and trailing comments, respectively
+var comments = sourceCode.getComments(node);
+```
+
+Keep in mind that comments are technically not a part of the AST and are only attached to it on demand, i.e. when you call `getComments()`.
+
+**Note:** One of the libraries adds AST node properties for comments - do not use these properties. Always use `sourceCode.getComments()` as this is the only guaranteed API for accessing comments (we will likely change how comments are handled later).
+
+### Accessing Code Paths
+
+ESLint analyzes code paths while traversing AST.
+You can access that code path objects with five events related to code paths.
+
+[details here](./code-path-analysis.md)
+
+## Rule Unit Tests
+
+Each rule must have a set of unit tests submitted with it to be accepted. The test file is named the same as the source file but lives in `tests/lib/`. For example, if your rule source file is `lib/rules/foo.js` then your test file should be `tests/lib/rules/foo.js`.
+
+For your rule, be sure to test:
+
+1. All instances that should be flagged as warnings.
+1. At least one pattern that should **not** be flagged as a warning.
+
+The basic pattern for a rule unit test file is:
+
+```js
+/**
+ * @fileoverview Tests for no-with rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+var rule = require("../../../lib/rules/no-with"),
+    RuleTester = require("../../../lib/testers/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+var ruleTester = new RuleTester();
+ruleTester.run("no-with", rule, {
+    valid: [
+        "foo.bar()"
+    ],
+    invalid: [
+        {
+            code: "with(foo) { bar() }",
+            errors: [{ message: "Unexpected use of 'with' statement.", type: "WithStatement"}]
+        }
+    ]
+});
+```
+
+Be sure to replace the value of `"no-with"` with your rule's ID. There are plenty of examples in the `tests/lib/rules/` directory.
+
+### Valid Code
+
+Each valid case can be either a string or an object. The object form is used when you need to specify additional global variables or arguments for the rule. For example, the following defines `window` as a global variable for code that should not trigger the rule being tested:
+
+```js
+valid: [
+    {
+        code: "window.alert()",
+        globals: [ "window" ]
+    }
+]
+```
+
+You can also pass options to the rule (if it accepts them). These arguments are equivalent to how people can configure rules in their `.eslintrc` file. For example:
+
+```js
+valid: [
+    {
+        code: "var msg = 'Hello';",
+        options: [ "single" ]
+    }
+]
+```
+
+The `options` property must be an array of options. This gets passed through to `context.options` in the rule.
+
+### Invalid Code
+
+Each invalid case must be an object containing the code to test and at least one message that is produced by the rule. The `errors` key specifies an array of objects, each containing a message (your rule may trigger multiple messages for the same code). You should also specify the type of AST node you expect to receive back using the `type` key. The AST node should represent the actual spot in the code where there is a problem. For example:
+
+```js
+invalid: [
+    {
+        code: "function doSomething() { var f; if (true) { var build = true; } f = build; }",
+        errors: [
+            { message: "build used outside of binding context.", type: "Identifier" }
+        ]
+    }
+]
+```
+
+In this case, the message is specific to the variable being used and the AST node type is `Identifier`.
+
+Similar to the valid cases, you can also specify `options` to be passed to the rule:
+
+```js
+invalid: [
+    {
+        code: "function doSomething() { var f; if (true) { var build = true; } f = build; }",
+        options: [ "double" ],
+        errors: [
+            { message: "build used outside of binding context.", type: "Identifier" }
+        ]
+    }
+]
+```
+
+For simpler cases where the only thing that really matters is the error message, you can also specify any `errors` as strings. You can also have some strings and some objects, if you like.
+
+```js
+invalid: [
+    {
+        code: "'single quotes'",
+        options: ["double"],
+        errors: ["Strings must use doublequote."]
+    }
+]
+```
+
+### Specifying Parser Options
+
+Some tests require that a certain parser configuration must be used. This can be specified in test specifications via the `parserOptions` setting.
+
+For example, to set `ecmaVersion` to 6 (in order to use constructs like `for ... of`):
+
+```js
+valid: [
+    {
+        code: "for (x of a) doSomething();",
+        parserOptions: { ecmaVersion: 6 }
+    }
+]
+```
+
+If you are working with ES6 modules:
+
+```js
+valid: [
+    {
+        code: "export default function () {};",
+        parserOptions: { ecmaVersion: 6, sourceType: "module" }
+    }
+]
+```
+
+For non-version specific features such as JSX:
+
+```js
+valid: [
+    {
+        code: "var foo = <div>{bar}</div>",
+        parserOptions: { ecmaFeatures: { jsx: true } }
+    }
+]
+```
+
+The options available and the expected syntax for `parserOptions` is the same as those used in [configuration](../user-guide/configuring.md#specifying-parser-options).
+
+### Write Several Tests
+
+Provide as many unit tests as possible. Your pull request will never be turned down for having too many tests submitted with it!
+
+## Performance Testing
+
+To keep the linting process efficient and unobtrusive, it is useful to verify the performance impact of new rules or modifications to existing rules.
+
+### Overall Performance
+
+The `npm run perf` command gives a high-level overview of ESLint running time with default rules (`eslint:recommended`) enabled.
+
+```bash
+$ git checkout master
+Switched to branch 'master'
+
+$ npm run perf
+CPU Speed is 2200 with multiplier 7500000
+Performance Run #1:  1394.689313ms
+Performance Run #2:  1423.295351ms
+Performance Run #3:  1385.09515ms
+Performance Run #4:  1382.406982ms
+Performance Run #5:  1409.68566ms
+Performance budget ok:  1394.689313ms (limit: 3409.090909090909ms)
+
+$ git checkout my-rule-branch
+Switched to branch 'my-rule-branch'
+
+$ npm run perf
+CPU Speed is 2200 with multiplier 7500000
+Performance Run #1:  1443.736547ms
+Performance Run #2:  1419.193291ms
+Performance Run #3:  1436.018228ms
+Performance Run #4:  1473.605485ms
+Performance Run #5:  1457.455283ms
+Performance budget ok:  1443.736547ms (limit: 3409.090909090909ms)
+```
+
+### Per-rule Performance
+
+ESLint has a built-in method to track performance of individual rules. Setting the `TIMING` environment variable will trigger the display, upon linting completion, of the ten longest-running rules, along with their individual running time and relative performance impact as a percentage of total rule processing time.
+
+```bash
+$ TIMING=1 eslint lib
+Rule                    | Time (ms) | Relative
+:-----------------------|----------:|--------:
+no-multi-spaces         |    52.472 |     6.1%
+camelcase               |    48.684 |     5.7%
+no-irregular-whitespace |    43.847 |     5.1%
+valid-jsdoc             |    40.346 |     4.7%
+handle-callback-err     |    39.153 |     4.6%
+space-infix-ops         |    35.444 |     4.1%
+no-undefined            |    25.693 |     3.0%
+no-shadow               |    22.759 |     2.7%
+no-empty-class          |    21.976 |     2.6%
+semi                    |    19.359 |     2.3%
+```
+
+To test one rule explicitly, combine the `--no-eslintrc`, and `--rule` options:
+
+```bash
+$ TIMING=1 eslint --no-eslintrc --rule "quotes: [2, 'double']" lib
+Rule   | Time (ms) | Relative
+:------|----------:|--------:
+quotes |    18.066 |   100.0%
+```
+
+## Rule Naming Conventions
+
+The rule naming conventions for ESLint are fairly simple:
+
+* If your rule is disallowing something, prefix it with `no-` such as `no-eval` for disallowing `eval()` and `no-debugger` for disallowing `debugger`.
+* If your rule is enforcing the inclusion of something, use a short name without a special prefix.
+* Keep your rule names as short as possible, use abbreviations where appropriate, and no more than four words.
+* Use dashes between words.
+
+## Rule Acceptance Criteria
+
+Because rules are highly personal (and therefore very contentious), accepted rules should:
+
+* Not be library-specific.
+* Demonstrate a possible issue that can be resolved by rewriting the code.
+* Be general enough so as to apply for a large number of developers.
+* Not be the opposite of an existing rule.
+* Not overlap with an existing rule.
+
+## Runtime Rules
+
+The thing that makes ESLint different from other linters is the ability to define custom rules at runtime. This is perfect for rules that are specific to your project or company and wouldn't make sense for ESLint to ship with. With runtime rules, you don't have to wait for the next version of ESLint or be disappointed that your rule isn't general enough to apply to the larger JavaScript community, just write your rules and include them at runtime.
+
+Runtime rules are written in the same format as all other rules. Create your rule as you would any other and then follow these steps:
+
+1. Place all of your runtime rules in the same directory (i.e., `eslint_rules`).
+2. Create a [configuration file](../user-guide/configuring.md) and specify your rule ID error level under the `rules` key. Your rule will not run unless it has a value of `1` or `2` in the configuration file.
+3. Run the [command line interface](../user-guide/command-line-interface.md) using the `--rulesdir` option to specify the location of your runtime rules.
diff --git a/eslint/docs/developer-guide/working-with-rules.md b/eslint/docs/developer-guide/working-with-rules.md
new file mode 100644
index 0000000..608a38b
--- /dev/null
+++ b/eslint/docs/developer-guide/working-with-rules.md
@@ -0,0 +1,737 @@
+# Working with Rules
+
+**Note:** This page covers the most recent rule format for ESLint >= 3.0.0. There is also a [deprecated rule format](./working-with-rules-deprecated.md).
+
+Each rule in ESLint has three files named with its identifier (for example, `no-extra-semi`).
+
+* in the `lib/rules` directory: a source file (for example, `no-extra-semi.js`)
+* in the `tests/lib/rules` directory: a test file (for example, `no-extra-semi.js`)
+* in the `docs/rules` directory: a Markdown documentation file (for example, `no-extra-semi.md`)
+
+**Important:** If you submit a **core** rule to the ESLint repository, you **must** follow some conventions explained below.
+
+Here is the basic format of the source file for a rule:
+
+```js
+/**
+ * @fileoverview Rule to disallow unnecessary semicolons
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary semicolons",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-extra-semi"
+        },
+        fixable: "code",
+        schema: [] // no options
+    },
+    create: function(context) {
+        return {
+            // callback functions
+        };
+    }
+};
+```
+
+## Rule Basics
+
+The source file for a rule exports an object with the following properties.
+
+`meta` (object) contains metadata for the rule:
+
+* `type` (string) indicates the type of rule, which is one of `"problem"`, `"suggestion"`, or `"layout"`:
+    * `"problem"` means the rule is identifying code that either will cause an error or may cause a confusing behavior. Developers should consider this a high priority to resolve.
+    * `"suggestion"` means the rule is identifying something that could be done in a better way but no errors will occur if the code isn't changed.
+    * `"layout"` means the rule cares primarily about whitespace, semicolons, commas, and parentheses, all the parts of the program that determine how the code looks rather than how it executes. These rules work on parts of the code that aren't specified in the AST.
+
+* `docs` (object) is required for core rules of ESLint:
+
+    * `description` (string) provides the short description of the rule in the [rules index](../rules/)
+    * `category` (string) specifies the heading under which the rule is listed in the [rules index](../rules/)
+    * `recommended` (boolean) is whether the `"extends": "eslint:recommended"` property in a [configuration file](../user-guide/configuring.md#extending-configuration-files) enables the rule
+    * `url` (string) specifies the URL at which the full documentation can be accessed
+    * `suggestion` (boolean) specifies whether rules can return suggestions (defaults to false if omitted)
+
+    In a custom rule or plugin, you can omit `docs` or include any properties that you need in it.
+
+* `fixable` (string) is either `"code"` or `"whitespace"` if the `--fix` option on the [command line](../user-guide/command-line-interface.md#fix) automatically fixes problems reported by the rule
+
+    **Important:** Without the `fixable` property, ESLint does not [apply fixes](#applying-fixes) even if the rule implements `fix` functions. Omit the `fixable` property if the rule is not fixable.
+
+* `schema` (array) specifies the [options](#options-schemas) so ESLint can prevent invalid [rule configurations](../user-guide/configuring.md#configuring-rules)
+
+* `deprecated` (boolean) indicates whether the rule has been deprecated.  You may omit the `deprecated` property if the rule has not been deprecated.
+
+* `replacedBy` (array) in the case of a deprecated rule, specifies replacement rule(s)
+
+`create` (function) returns an object with methods that ESLint calls to "visit" nodes while traversing the abstract syntax tree (AST as defined by [ESTree](https://github.com/estree/estree)) of JavaScript code:
+
+* if a key is a node type or a [selector](./selectors.md), ESLint calls that **visitor** function while going **down** the tree
+* if a key is a node type or a [selector](./selectors.md) plus `:exit`, ESLint calls that **visitor** function while going **up** the tree
+* if a key is an event name, ESLint calls that **handler** function for [code path analysis](./code-path-analysis.md)
+
+A rule can use the current node and its surrounding tree to report or fix problems.
+
+Here are methods for the [array-callback-return](../rules/array-callback-return.md) rule:
+
+```js
+function checkLastSegment (node) {
+    // report problem for function if last code path segment is reachable
+}
+
+module.exports = {
+    meta: { ... },
+    create: function(context) {
+        // declare the state of the rule
+        return {
+            ReturnStatement: function(node) {
+                // at a ReturnStatement node while going down
+            },
+            // at a function expression node while going up:
+            "FunctionExpression:exit": checkLastSegment,
+            "ArrowFunctionExpression:exit": checkLastSegment,
+            onCodePathStart: function (codePath, node) {
+                // at the start of analyzing a code path
+            },
+            onCodePathEnd: function(codePath, node) {
+                // at the end of analyzing a code path
+            }
+        };
+    }
+};
+```
+
+## The Context Object
+
+The `context` object contains additional functionality that is helpful for rules to do their jobs. As the name implies, the `context` object contains information that is relevant to the context of the rule. The `context` object has the following properties:
+
+* `parserOptions` - the parser options configured for this run (more details [here](../user-guide/configuring.md#specifying-parser-options)).
+* `id` - the rule ID.
+* `options` - an array of the [configured options](/docs/user-guide/configuring.md#configuring-rules) for this rule. This array does not include the rule severity. For more information, see [here](#contextoptions).
+* `settings` - the [shared settings](/docs/user-guide/configuring.md#adding-shared-settings) from configuration.
+* `parserPath` - the name of the `parser` from configuration.
+* `parserServices` - an object containing parser-provided services for rules. The default parser does not provide any services. However, if a rule is intended to be used with a custom parser, it could use `parserServices` to access anything provided by that parser. (For example, a TypeScript parser could provide the ability to get the computed type of a given node.)
+
+Additionally, the `context` object has the following methods:
+
+* `getAncestors()` - returns an array of the ancestors of the currently-traversed node, starting at the root of the AST and continuing through the direct parent of the current node. This array does not include the currently-traversed node itself.
+* `getCwd()` - returns the `cwd` passed to [Linter](./nodejs-api.md#Linter). It is a path to a directory that should be considered as the current working directory.
+* `getDeclaredVariables(node)` - returns a list of [variables](./scope-manager-interface.md#variable-interface) declared by the given node. This information can be used to track references to variables.
+    * If the node is a `VariableDeclaration`, all variables declared in the declaration are returned.
+    * If the node is a `VariableDeclarator`, all variables declared in the declarator are returned.
+    * If the node is a `FunctionDeclaration` or `FunctionExpression`, the variable for the function name is returned, in addition to variables for the function parameters.
+    * If the node is an `ArrowFunctionExpression`, variables for the parameters are returned.
+    * If the node is a `ClassDeclaration` or a `ClassExpression`, the variable for the class name is returned.
+    * If the node is a `CatchClause`, the variable for the exception is returned.
+    * If the node is an `ImportDeclaration`, variables for all of its specifiers are returned.
+    * If the node is an `ImportSpecifier`, `ImportDefaultSpecifier`, or `ImportNamespaceSpecifier`, the declared variable is returned.
+    * Otherwise, if the node does not declare any variables, an empty array is returned.
+* `getFilename()` - returns the filename associated with the source.
+* `getScope()` - returns the [scope](./scope-manager-interface.md#scope-interface) of the currently-traversed node. This information can be used to track references to variables.
+* `getSourceCode()` - returns a [`SourceCode`](#contextgetsourcecode) object that you can use to work with the source that was passed to ESLint.
+* `markVariableAsUsed(name)` - marks a variable with the given name in the current scope as used. This affects the [no-unused-vars](../rules/no-unused-vars.md) rule. Returns `true` if a variable with the given name was found and marked as used, otherwise `false`.
+* `report(descriptor)` - reports a problem in the code (see the [dedicated section](#context-report)).
+
+**Note:** Earlier versions of ESLint supported additional methods on the `context` object. Those methods were removed in the new format and should not be relied upon.
+
+### context.getScope()
+
+This method returns the scope which has the following types:
+
+| AST Node Type             | Scope Type |
+|:--------------------------|:-----------|
+| `Program`                 | `global`   |
+| `FunctionDeclaration`     | `function` |
+| `FunctionExpression`      | `function` |
+| `ArrowFunctionExpression` | `function` |
+| `ClassDeclaration`        | `class`    |
+| `ClassExpression`         | `class`    |
+| `BlockStatement` ※1      | `block`    |
+| `SwitchStatement` ※1     | `switch`   |
+| `ForStatement` ※2        | `for`      |
+| `ForInStatement` ※2      | `for`      |
+| `ForOfStatement` ※2      | `for`      |
+| `WithStatement`           | `with`     |
+| `CatchClause`             | `catch`    |
+| others                    | ※3        |
+
+**※1** Only if the configured parser provided the block-scope feature. The default parser provides the block-scope feature if `parserOptions.ecmaVersion` is not less than `6`.<br>
+**※2** Only if the `for` statement defines the iteration variable as a block-scoped variable (E.g., `for (let i = 0;;) {}`).<br>
+**※3** The scope of the closest ancestor node which has own scope. If the closest ancestor node has multiple scopes then it chooses the innermost scope (E.g., the `Program` node has a `global` scope and a `module` scope if `Program#sourceType` is `"module"`. The innermost scope is the `module` scope.).
+
+The returned value is a [`Scope` object](scope-manager-interface.md) defined by the `eslint-scope` package. The `Variable` objects of global variables have some additional properties.
+
+* `variable.writeable` (`boolean | undefined`) ... If `true`, this global variable can be assigned arbitrary value. If `false`, this global variable is read-only.
+* `variable.eslintExplicitGlobal` (`boolean | undefined`) ... If `true`, this global variable was defined by a `/* globals */` directive comment in the source code file.
+* `variable.eslintExplicitGlobalComments` (`Comment[] | undefined`) ... The array of `/* globals */` directive comments which defined this global variable in the source code file. This property is `undefined` if there are no `/* globals */` directive comments.
+* `variable.eslintImplicitGlobalSetting` (`"readonly" | "writable" | undefined`) ... The configured value in config files. This can be different from `variable.writeable` if there are `/* globals */` directive comments.
+
+### context.report()
+
+The main method you'll use is `context.report()`, which publishes a warning or error (depending on the configuration being used). This method accepts a single argument, which is an object containing the following properties:
+
+* `message` - the problem message.
+* `node` - (optional)  the AST node related to the problem. If present and `loc` is not specified, then the starting location of the node is used as the location of the problem.
+* `loc` - (optional) an object specifying the location of the problem. If both `loc` and `node` are specified, then the location is used from `loc` instead of `node`.
+    * `start` - An object of the start location.
+        * `line` - the 1-based line number at which the problem occurred.
+        * `column` - the 0-based column number at which the problem occurred.
+    * `end` - An object of the end location.
+        * `line` - the 1-based line number at which the problem occurred.
+        * `column` - the 0-based column number at which the problem occurred.
+* `data` - (optional) [placeholder](#using-message-placeholders) data for `message`.
+* `fix` - (optional) a function that applies a [fix](#applying-fixes) to resolve the problem.
+
+Note that at least one of `node` or `loc` is required.
+
+The simplest example is to use just `node` and `message`:
+
+```js
+context.report({
+    node: node,
+    message: "Unexpected identifier"
+});
+```
+
+The node contains all of the information necessary to figure out the line and column number of the offending text as well the source text representing the node.
+
+### Using message placeholders
+
+You can also use placeholders in the message and provide `data`:
+
+```js
+{% raw %}
+context.report({
+    node: node,
+    message: "Unexpected identifier: {{ identifier }}",
+    data: {
+        identifier: node.name
+    }
+});
+{% endraw %}
+```
+
+Note that leading and trailing whitespace is optional in message parameters.
+
+The node contains all of the information necessary to figure out the line and column number of the offending text as well the source text representing the node.
+
+### `messageId`s
+
+Instead of typing out messages in both the `context.report()` call and your tests, you can use `messageId`s instead.
+
+This allows you to avoid retyping error messages. It also prevents errors reported in different sections of your rule from having out-of-date messages.
+
+```js
+{% raw %}
+// in your rule
+module.exports = {
+    meta: {
+        messages: {
+            avoidName: "Avoid using variables named '{{ name }}'"
+        }
+    },
+    create(context) {
+        return {
+            Identifier(node) {
+                if (node.name === "foo") {
+                    context.report({
+                        node,
+                        messageId: "avoidName",
+                        data: {
+                            name: "foo",
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
+
+// in the file to lint:
+
+var foo = 2;
+//  ^ error: Avoid using variables named 'foo'
+
+// In your tests:
+var rule = require("../../../lib/rules/my-rule");
+var RuleTester = require("eslint").RuleTester;
+
+var ruleTester = new RuleTester();
+ruleTester.run("my-rule", rule, {
+    valid: ["bar", "baz"],
+    invalid: [
+        {
+            code: "foo",
+            errors: [
+                {
+                    messageId: "avoidName"
+                }
+            ]
+        }
+    ]
+});
+{% endraw %}
+```
+
+### Applying Fixes
+
+If you'd like ESLint to attempt to fix the problem you're reporting, you can do so by specifying the `fix` function when using `context.report()`. The `fix` function receives a single argument, a `fixer` object, that you can use to apply a fix. For example:
+
+```js
+context.report({
+    node: node,
+    message: "Missing semicolon",
+    fix: function(fixer) {
+        return fixer.insertTextAfter(node, ";");
+    }
+});
+```
+
+Here, the `fix()` function is used to insert a semicolon after the node. Note that a fix is not immediately applied, and may not be applied at all if there are conflicts with other fixes. After applying fixes, ESLint will run all of the enabled rules again on the fixed code, potentially applying more fixes. This process will repeat up to 10 times, or until no more fixable problems are found. Afterwards, any remaining problems will be reported as usual.
+
+**Important:** Unless the rule [exports](#rule-basics) the `meta.fixable` property, ESLint does not apply fixes even if the rule implements `fix` functions.
+
+The `fixer` object has the following methods:
+
+* `insertTextAfter(nodeOrToken, text)` - inserts text after the given node or token
+* `insertTextAfterRange(range, text)` - inserts text after the given range
+* `insertTextBefore(nodeOrToken, text)` - inserts text before the given node or token
+* `insertTextBeforeRange(range, text)` - inserts text before the given range
+* `remove(nodeOrToken)` - removes the given node or token
+* `removeRange(range)` - removes text in the given range
+* `replaceText(nodeOrToken, text)` - replaces the text in the given node or token
+* `replaceTextRange(range, text)` - replaces the text in the given range
+
+The above methods return a `fixing` object.
+The `fix()` function can return the following values:
+
+* A `fixing` object.
+* An array which includes `fixing` objects.
+* An iterable object which enumerates `fixing` objects. Especially, the `fix()` function can be a generator.
+
+If you make a `fix()` function which returns multiple `fixing` objects, those `fixing` objects must not be overlapped.
+
+Best practices for fixes:
+
+1. Avoid any fixes that could change the runtime behavior of code and cause it to stop working.
+1. Make fixes as small as possible. Fixes that are unnecessarily large could conflict with other fixes, and prevent them from being applied.
+1. Only make one fix per message. This is enforced because you must return the result of the fixer operation from `fix()`.
+1. Since all rules are run again after the initial round of fixes is applied, it's not necessary for a rule to check whether the code style of a fix will cause errors to be reported by another rule.
+    * For example, suppose a fixer would like to surround an object key with quotes, but it's not sure whether the user would prefer single or double quotes.
+
+        ```js
+        ({ foo : 1 })
+
+        // should get fixed to either
+
+        ({ 'foo': 1 })
+
+        // or
+
+        ({ "foo": 1 })
+        ```
+
+    * This fixer can just select a quote type arbitrarily. If it guesses wrong, the resulting code will be automatically reported and fixed by the [`quotes`](/docs/rules/quotes.md) rule.
+
+### Providing Suggestions
+
+In some cases fixes aren't appropriate to be automatically applied, for example, if a fix potentially changes functionality or if there are multiple valid ways to fix a rule depending on the implementation intent (see the best practices for [applying fixes](#applying-fixes) listed above). In these cases, there is an alternative `suggest` option on `context.report()` that allows other tools, such as editors, to expose helpers for users to manually apply a suggestion.
+
+In order to provide suggestions, use the `suggest` key in the report argument with an array of suggestion objects. The suggestion objects represent individual suggestions that could be applied and require either a `desc` key string that describes what applying the suggestion would do or a `messageId` key (see [below](#suggestion-messageids)), and a `fix` key that is a function defining the suggestion result. This `fix` function follows the same API as regular fixes (described above in [applying fixes](#applying-fixes)).
+
+```js
+{% raw %}
+context.report({
+    node: node,
+    message: "Unnecessary escape character: \\{{character}}.",
+    data: { character },
+    suggest: [
+        {
+            desc: "Remove the `\\`. This maintains the current functionality.",
+            fix: function(fixer) {
+                return fixer.removeRange(range);
+            }
+        },
+        {
+            desc: "Replace the `\\` with `\\\\` to include the actual backslash character.",
+            fix: function(fixer) {
+                return fixer.insertTextBeforeRange(range, "\\");
+            }
+        }
+    ]
+});
+{% endraw %}
+```
+
+Note: Suggestions will be applied as a stand-alone change, without triggering multipass fixes. Each suggestion should focus on a singular change in the code and should not try to conform to user defined styles. For example, if a suggestion is adding a new statement into the codebase, it should not try to match correct indentation, or confirm to user preferences on presence/absence of semicolumns. All of those things can be corrected by multipass autofix when the user triggers it.
+
+Best practices for suggestions:
+
+1. Don't try to do too much and suggest large refactors that could introduce a lot of breaking changes.
+1. As noted above, don't try to conform to user-defined styles.
+
+#### Suggestion `messageId`s
+
+Instead of using a `desc` key for suggestions a `messageId` can be used instead. This works the same way as `messageId`s for the overall error (see [messageIds](#messageIds)). Here is an example of how to use it in a rule:
+
+```js
+{% raw %}
+module.exports = {
+    meta: {
+        messages: {
+            unnecessaryEscape: "Unnecessary escape character: \\{{character}}.",
+            removeEscape: "Remove the `\\`. This maintains the current functionality.",
+            escapeBackslash: "Replace the `\\` with `\\\\` to include the actual backslash character."
+        }
+    },
+    create: function(context) {
+        // ...
+        context.report({
+            node: node,
+            messageId: 'unnecessaryEscape',
+            data: { character },
+            suggest: [
+                {
+                    messageId: "removeEscape",
+                    fix: function(fixer) {
+                        return fixer.removeRange(range);
+                    }
+                },
+                {
+                    messageId: "escapeBackslash",
+                    fix: function(fixer) {
+                        return fixer.insertTextBeforeRange(range, "\\");
+                    }
+                }
+            ]
+        });
+    }
+};
+{% endraw %}
+```
+
+#### Placeholders in suggestion messages
+
+You can also use placeholders in the suggestion message. This works the same way as placeholders for the overall error (see [using message placeholders](#using-message-placeholders)).
+
+Please note that you have to provide `data` on the suggestion's object. Suggestion messages cannot use properties from the overall error's `data`.
+
+```js
+{% raw %}
+module.exports = {
+    meta: {
+        messages: {
+            unnecessaryEscape: "Unnecessary escape character: \\{{character}}.",
+            removeEscape: "Remove `\\` before {{character}}.",
+        }
+    },
+    create: function(context) {
+        // ...
+        context.report({
+            node: node,
+            messageId: "unnecessaryEscape",
+            data: { character }, // data for the unnecessaryEscape overall message
+            suggest: [
+                {
+                    messageId: "removeEscape",
+                    data: { character }, // data for the removeEscape suggestion message
+                    fix: function(fixer) {
+                        return fixer.removeRange(range);
+                    }
+                }
+            ]
+        });
+    }
+};
+{% endraw %}
+```
+
+### context.options
+
+Some rules require options in order to function correctly. These options appear in configuration (`.eslintrc`, command line, or in comments). For example:
+
+```json
+{
+    "quotes": ["error", "double"]
+}
+```
+
+The `quotes` rule in this example has one option, `"double"` (the `error` is the error level). You can retrieve the options for a rule by using `context.options`, which is an array containing every configured option for the rule. In this case, `context.options[0]` would contain `"double"`:
+
+```js
+module.exports = {
+    create: function(context) {
+        var isDouble = (context.options[0] === "double");
+
+        // ...
+    }
+};
+```
+
+Since `context.options` is just an array, you can use it to determine how many options have been passed as well as retrieving the actual options themselves. Keep in mind that the error level is not part of `context.options`, as the error level cannot be known or modified from inside a rule.
+
+When using options, make sure that your rule has some logical defaults in case the options are not provided.
+
+### context.getSourceCode()
+
+The `SourceCode` object is the main object for getting more information about the source code being linted. You can retrieve the `SourceCode` object at any time by using the `getSourceCode()` method:
+
+```js
+module.exports = {
+    create: function(context) {
+        var sourceCode = context.getSourceCode();
+
+        // ...
+    }
+};
+```
+
+Once you have an instance of `SourceCode`, you can use the methods on it to work with the code:
+
+* `getText(node)` - returns the source code for the given node. Omit `node` to get the whole source.
+* `getAllComments()` - returns an array of all comments in the source.
+* `getCommentsBefore(nodeOrToken)` - returns an array of comment tokens that occur directly before the given node or token.
+* `getCommentsAfter(nodeOrToken)` - returns an array of comment tokens that occur directly after the given node or token.
+* `getCommentsInside(node)` - returns an array of all comment tokens inside a given node.
+* `getJSDocComment(node)` - returns the JSDoc comment for a given node or `null` if there is none.
+* `isSpaceBetween(nodeOrToken, nodeOrToken)` - returns true if there is a whitespace character between the two tokens or, if given a node, the last token of the first node and the first token of the second node.
+* `getFirstToken(node, skipOptions)` - returns the first token representing the given node.
+* `getFirstTokens(node, countOptions)` - returns the first `count` tokens representing the given node.
+* `getLastToken(node, skipOptions)` - returns the last token representing the given node.
+* `getLastTokens(node, countOptions)` - returns the last `count` tokens representing the given node.
+* `getTokenAfter(nodeOrToken, skipOptions)` - returns the first token after the given node or token.
+* `getTokensAfter(nodeOrToken, countOptions)` - returns `count` tokens after the given node or token.
+* `getTokenBefore(nodeOrToken, skipOptions)` - returns the first token before the given node or token.
+* `getTokensBefore(nodeOrToken, countOptions)` - returns `count` tokens before the given node or token.
+* `getFirstTokenBetween(nodeOrToken1, nodeOrToken2, skipOptions)` - returns the first token between two nodes or tokens.
+* `getFirstTokensBetween(nodeOrToken1, nodeOrToken2, countOptions)` - returns the first `count` tokens between two nodes or tokens.
+* `getLastTokenBetween(nodeOrToken1, nodeOrToken2, skipOptions)` - returns the last token between two nodes or tokens.
+* `getLastTokensBetween(nodeOrToken1, nodeOrToken2, countOptions)` - returns the last `count` tokens between two nodes or tokens.
+* `getTokens(node)` - returns all tokens for the given node.
+* `getTokensBetween(nodeOrToken1, nodeOrToken2)` - returns all tokens between two nodes.
+* `getTokenByRangeStart(index, rangeOptions)` - returns the token whose range starts at the given index in the source.
+* `getNodeByRangeIndex(index)` - returns the deepest node in the AST containing the given source index.
+* `getLocFromIndex(index)` - returns an object with `line` and `column` properties, corresponding to the location of the given source index. `line` is 1-based and `column` is 0-based.
+* `getIndexFromLoc(loc)` - returns the index of a given location in the source code, where `loc` is an object with a 1-based `line` key and a 0-based `column` key.
+* `commentsExistBetween(nodeOrToken1, nodeOrToken2)` - returns `true` if comments exist between two nodes.
+
+`skipOptions` is an object which has 3 properties; `skip`, `includeComments`, and `filter`. Default is `{skip: 0, includeComments: false, filter: null}`.
+
+* `skip` is a positive integer, the number of skipping tokens. If `filter` option is given at the same time, it doesn't count filtered tokens as skipped.
+* `includeComments` is a boolean value, the flag to include comment tokens into the result.
+* `filter` is a function which gets a token as the first argument, if the function returns `false` then the result excludes the token.
+
+`countOptions` is an object which has 3 properties; `count`, `includeComments`, and `filter`. Default is `{count: 0, includeComments: false, filter: null}`.
+
+* `count` is a positive integer, the maximum number of returning tokens.
+* `includeComments` is a boolean value, the flag to include comment tokens into the result.
+* `filter` is a function which gets a token as the first argument, if the function returns `false` then the result excludes the token.
+
+`rangeOptions` is an object which has 1 property: `includeComments`.
+
+* `includeComments` is a boolean value, the flag to include comment tokens into the result.
+
+There are also some properties you can access:
+
+* `hasBOM` - the flag to indicate whether or not the source code has Unicode BOM.
+* `text` - the full text of the code being linted. Unicode BOM has been stripped from this text.
+* `ast` - the `Program` node of the AST for the code being linted.
+* `scopeManager` - the [ScopeManager](./scope-manager-interface.md#scopemanager-interface) object of the code.
+* `visitorKeys` - the visitor keys to traverse this AST.
+* `lines` - an array of lines, split according to the specification's definition of line breaks.
+
+You should use a `SourceCode` object whenever you need to get more information about the code being linted.
+
+#### Deprecated
+
+Please note that the following methods have been deprecated and will be removed in a future version of ESLint:
+
+* `getComments()` - replaced by `getCommentsBefore()`, `getCommentsAfter()`, and `getCommentsInside()`
+* `getTokenOrCommentBefore()` - replaced by `getTokenBefore()` with the `{ includeComments: true }` option
+* `getTokenOrCommentAfter()` - replaced by `getTokenAfter()` with the `{ includeComments: true }` option
+* `isSpaceBetweenTokens()` - replaced by `isSpaceBetween()`
+
+### Options Schemas
+
+Rules may export a `schema` property, which is a [JSON schema](http://json-schema.org/) format description of a rule's options which will be used by ESLint to validate configuration options and prevent invalid or unexpected inputs before they are passed to the rule in `context.options`.
+
+There are two formats for a rule's exported `schema`. The first is a full JSON Schema object describing all possible options the rule accepts, including the rule's error level as the first argument and any optional arguments thereafter.
+
+However, to simplify schema creation, rules may also export an array of schemas for each optional positional argument, and ESLint will automatically validate the required error level first. For example, the `yoda` rule accepts a primary mode argument, as well as an extra options object with named properties.
+
+```js
+// "yoda": [2, "never", { "exceptRange": true }]
+module.exports = {
+    meta: {
+        schema: [
+            {
+                "enum": ["always", "never"]
+            },
+            {
+                "type": "object",
+                "properties": {
+                    "exceptRange": {
+                        "type": "boolean"
+                    }
+                },
+                "additionalProperties": false
+            }
+        ]
+    },
+};
+```
+
+In the preceding example, the error level is assumed to be the first argument. It is followed by the first optional argument, a string which may be either `"always"` or `"never"`. The final optional argument is an object, which may have a Boolean property named `exceptRange`.
+
+To learn more about JSON Schema, we recommend looking at some examples in [website](http://json-schema.org/learn/) to start, and also reading [Understanding JSON Schema](http://spacetelescope.github.io/understanding-json-schema/) (a free ebook).
+
+**Note:** Currently you need to use full JSON Schema object rather than array in case your schema has references ($ref), because in case of array format ESLint transforms this array into a single schema without updating references that makes them incorrect (they are ignored).
+
+### Getting the Source
+
+If your rule needs to get the actual JavaScript source to work with, then use the `sourceCode.getText()` method. This method works as follows:
+
+```js
+
+// get all source
+var source = sourceCode.getText();
+
+// get source for just this AST node
+var nodeSource = sourceCode.getText(node);
+
+// get source for AST node plus previous two characters
+var nodeSourceWithPrev = sourceCode.getText(node, 2);
+
+// get source for AST node plus following two characters
+var nodeSourceWithFollowing = sourceCode.getText(node, 0, 2);
+```
+
+In this way, you can look for patterns in the JavaScript text itself when the AST isn't providing the appropriate data (such as location of commas, semicolons, parentheses, etc.).
+
+### Accessing Comments
+
+While comments are not technically part of the AST, ESLint provides a few ways for rules to access them:
+
+#### sourceCode.getAllComments()
+
+This method returns an array of all the comments found in the program. This is useful for rules that need to check all comments regardless of location.
+
+#### sourceCode.getCommentsBefore(), sourceCode.getCommentsAfter(), and sourceCode.getCommentsInside()
+
+These methods return an array of comments that appear directly before, directly after, and inside nodes, respectively. They are useful for rules that need to check comments in relation to a given node or token.
+
+Keep in mind that the results of this method are calculated on demand.
+
+#### Token traversal methods
+
+Finally, comments can be accessed through many of `sourceCode`'s methods using the `includeComments` option.
+
+### Accessing Shebangs
+
+Shebangs are represented by tokens of type `"Shebang"`. They are treated as comments and can be accessed by the methods outlined above.
+
+### Accessing Code Paths
+
+ESLint analyzes code paths while traversing AST.
+You can access that code path objects with five events related to code paths.
+
+[details here](./code-path-analysis.md)
+
+## Rule Unit Tests
+
+Each bundled rule for ESLint core must have a set of unit tests submitted with it to be accepted. The test file is named the same as the source file but lives in `tests/lib/`. For example, if the rule source file is `lib/rules/foo.js` then the test file should be `tests/lib/rules/foo.js`.
+
+ESLint provides the [`RuleTester`](/docs/developer-guide/nodejs-api.md#ruletester) utility to make it easy to write tests for rules.
+
+## Performance Testing
+
+To keep the linting process efficient and unobtrusive, it is useful to verify the performance impact of new rules or modifications to existing rules.
+
+### Overall Performance
+
+When developing in the ESLint core repository, the `npm run perf` command gives a high-level overview of ESLint running time with all core rules enabled.
+
+```bash
+$ git checkout master
+Switched to branch 'master'
+
+$ npm run perf
+CPU Speed is 2200 with multiplier 7500000
+Performance Run #1:  1394.689313ms
+Performance Run #2:  1423.295351ms
+Performance Run #3:  1385.09515ms
+Performance Run #4:  1382.406982ms
+Performance Run #5:  1409.68566ms
+Performance budget ok:  1394.689313ms (limit: 3409.090909090909ms)
+
+$ git checkout my-rule-branch
+Switched to branch 'my-rule-branch'
+
+$ npm run perf
+CPU Speed is 2200 with multiplier 7500000
+Performance Run #1:  1443.736547ms
+Performance Run #2:  1419.193291ms
+Performance Run #3:  1436.018228ms
+Performance Run #4:  1473.605485ms
+Performance Run #5:  1457.455283ms
+Performance budget ok:  1443.736547ms (limit: 3409.090909090909ms)
+```
+
+### Per-rule Performance
+
+ESLint has a built-in method to track performance of individual rules. Setting the `TIMING` environment variable will trigger the display, upon linting completion, of the ten longest-running rules, along with their individual running time and relative performance impact as a percentage of total rule processing time.
+
+```bash
+$ TIMING=1 eslint lib
+Rule                    | Time (ms) | Relative
+:-----------------------|----------:|--------:
+no-multi-spaces         |    52.472 |     6.1%
+camelcase               |    48.684 |     5.7%
+no-irregular-whitespace |    43.847 |     5.1%
+valid-jsdoc             |    40.346 |     4.7%
+handle-callback-err     |    39.153 |     4.6%
+space-infix-ops         |    35.444 |     4.1%
+no-undefined            |    25.693 |     3.0%
+no-shadow               |    22.759 |     2.7%
+no-empty-class          |    21.976 |     2.6%
+semi                    |    19.359 |     2.3%
+```
+
+To test one rule explicitly, combine the `--no-eslintrc`, and `--rule` options:
+
+```bash
+$ TIMING=1 eslint --no-eslintrc --rule "quotes: [2, 'double']" lib
+Rule   | Time (ms) | Relative
+:------|----------:|--------:
+quotes |    18.066 |   100.0%
+```
+
+## Rule Naming Conventions
+
+The rule naming conventions for ESLint are fairly simple:
+
+* If your rule is disallowing something, prefix it with `no-` such as `no-eval` for disallowing `eval()` and `no-debugger` for disallowing `debugger`.
+* If your rule is enforcing the inclusion of something, use a short name without a special prefix.
+* Use dashes between words.
+
+## Runtime Rules
+
+The thing that makes ESLint different from other linters is the ability to define custom rules at runtime. This is perfect for rules that are specific to your project or company and wouldn't make sense for ESLint to ship with. With runtime rules, you don't have to wait for the next version of ESLint or be disappointed that your rule isn't general enough to apply to the larger JavaScript community, just write your rules and include them at runtime.
+
+Runtime rules are written in the same format as all other rules. Create your rule as you would any other and then follow these steps:
+
+1. Place all of your runtime rules in the same directory (e.g., `eslint_rules`).
+2. Create a [configuration file](../user-guide/configuring.md) and specify your rule ID error level under the `rules` key. Your rule will not run unless it has a value of `1` or `2` in the configuration file.
+3. Run the [command line interface](../user-guide/command-line-interface.md) using the `--rulesdir` option to specify the location of your runtime rules.
diff --git a/eslint/docs/maintainer-guide/README.md b/eslint/docs/maintainer-guide/README.md
new file mode 100644
index 0000000..941ad55
--- /dev/null
+++ b/eslint/docs/maintainer-guide/README.md
@@ -0,0 +1,23 @@
+# Maintainer Guide
+
+This guide is intended for those who work as part of the ESLint project team.
+
+## [Managing Issues](issues.md)
+
+Describes how to deal with issues when they're opened, when interacting with users, and how to close them effectively.
+
+## [Reviewing Pull Requests](pullrequests.md)
+
+Describes how to review incoming pull requests.
+
+## [Managing Releases](releases.md)
+
+Describes how to do an ESLint project release.
+
+## [Governance](governance.md)
+
+Describes the governance policy for ESLint, including the rights and privileges of individuals inside the project.
+
+## [Working Groups](working-groups.md)
+
+Describes how working groups are created and how they function within the ESLint project.
diff --git a/eslint/docs/maintainer-guide/governance.md b/eslint/docs/maintainer-guide/governance.md
new file mode 100644
index 0000000..b393d19
--- /dev/null
+++ b/eslint/docs/maintainer-guide/governance.md
@@ -0,0 +1,174 @@
+# Governance
+
+ESLint is an open source project that depends on contributions from the community. Anyone may contribute to the project at any time by submitting code, participating in discussions, making suggestions, or any other contribution they see fit. This document describes how various types of contributors work within the ESLint project.
+
+## Roles and Responsibilities
+
+### Users
+
+Users are community members who have a need for the project. Anyone can be a User; there are no special requirements. Common User contributions include evangelizing the project (e.g., display a link on a website and raise awareness through word-of-mouth), informing developers of strengths and weaknesses from a new user perspective, or providing moral support (a "thank you" goes a long way).
+
+Users who continue to engage with the project and its community will often become more and more involved. Such Users may find themselves becoming Contributors, as described in the next section.
+
+### Contributors
+
+Contributors are community members who contribute in concrete ways to the project, most often in the form of code and/or documentation. Anyone can become a Contributor, and contributions can take many forms. There is no expectation of commitment to the project, no specific skill requirements, and no selection process.
+
+Contributors have read-only access to source code and so submit changes via pull requests. Contributor pull requests have their contribution reviewed and merged by a TSC member. TSC members and Committers work with Contributors to review their code and prepare it for merging.
+
+As Contributors gain experience and familiarity with the project, their profile within, and commitment to, the community will increase. At some stage, they may find themselves being nominated for committership by an existing Committer.
+
+### Committers
+
+Committers are community members who have shown that they are committed to the continued development of the project through ongoing engagement with the community. Committers are given push access to the project's GitHub repos and must abide by the project's [Contribution Guidelines](contributing).
+
+Committers:
+
+* Are expected to work on public branches of the source repository and submit pull requests from that branch to the master branch.
+* Are expected to delete their public branches when they are no longer necessary.
+* Must submit pull requests for all changes.
+* Have their work reviewed by TSC members before acceptance into the repository.
+* May label and close issues (see [Managing Issues](issues.html))
+* May merge some pull requests (see [Managing Pull Requests](pullrequests.html))
+
+To become a Committer:
+
+* One must have shown a willingness and ability to participate in the project as a team player. Typically, a potential Committer will need to show that they have an understanding of and alignment with the project, its objectives, and its strategy.
+* Committers are expected to be respectful of every community member and to work collaboratively in the spirit of inclusion.
+* Have submitted a minimum of 10 qualifying pull requests. What's a qualifying pull request? One that carries significant technical weight and requires little effort to accept because it's well documented and tested.
+
+New Committers can be nominated by any existing Committer. Once they have been nominated, there will be a vote by the TSC members.
+
+It is important to recognize that committership is a privilege, not a right. That privilege must be earned and once earned it can be removed by the TSC members by a standard TSC motion. However, under normal circumstances committership exists for as long as the Committer wishes to continue engaging with the project.
+
+A Committer who shows an above-average level of contribution to the project, particularly with respect to its strategic direction and long-term health, may be nominated to become a reviewer, described below.
+
+#### Process for Adding Committers
+
+1. Send email congratulating the new committer and confirming that they would like to accept. This should also outline the responsibilities of a committer with a link to the maintainer guide.
+1. Add the GitHub user to the "ESLint Team" team
+1. Add committer email to the ESLint team mailing list
+1. Invite to Gitter team chatroom
+1. Tweet congratulations to the new committer from the ESLint Twitter account
+
+### Reviewers
+
+Reviewers are community members who have contributed a significant amount of time to the project through triaging of issues, fixing bugs, implementing enhancements/features, and are trusted community leaders.
+
+Reviewers may perform all of the duties of Committers, and also:
+
+* May merge external pull requests for accepted issues upon reviewing and approving the changes.
+* May merge their own pull requests once they have collected the feedback they deem necessary. (No pull request should be merged without at least one Committer/Reviewer/TSC member comment stating they've looked at the code.)
+
+To become a Reviewer:
+
+* Work in a helpful and collaborative way with the community.
+* Have given good feedback on others' submissions and displayed an overall understanding of the code quality standards for the project.
+* Commit to being a part of the community for the long-term.
+* Have submitted a minimum of 50 qualifying pull requests.
+
+A Committer is invited to become a Reviewer by existing Reviewers and TSC members. A nomination will result in discussion and then a decision by the TSC.
+
+#### Process for Adding Reviewers
+
+1. Add the GitHub user to the "ESLint Reviewers" GitHub team
+1. Tweet congratulations to the new Reviewer from the ESLint Twitter account
+
+### Technical Steering Committee (TSC)
+
+The ESLint project is jointly governed by a Technical Steering Committee (TSC) which is responsible for high-level guidance of the project.
+
+The TSC has final authority over this project including:
+
+* Technical direction
+* Project governance and process (including this policy)
+* Contribution policy
+* GitHub repository hosting
+
+TSC seats are not time-limited. The size of the TSC can not be larger than five members. This size ensures adequate coverage of important areas of expertise balanced with the ability to make decisions efficiently.
+
+The TSC may add additional members to the TSC by a standard TSC motion.
+
+A TSC member may be removed from the TSC by voluntary resignation, by a standard TSC motion, or by missing four consecutive TSC meetings. In all cases, the TSC member will revert to Reviewer status unless they prefer Alumni status.
+
+Changes to TSC membership should be posted in the agenda, and may be suggested as any other agenda item (see "TSC Meetings" below).
+
+No more than 1/3 of the TSC members may be affiliated with the same employer. If removal or resignation of a TSC member, or a change of employment by a TSC member, creates a situation where more than 1/3 of the TSC membership shares an employer, then the situation must be immediately remedied by the resignation or removal of one or more TSC members affiliated with the over-represented employer(s).
+
+TSC members have additional responsibilities over and above those of a Reviewer. These responsibilities ensure the smooth running of the project. TSC members are expected to review code contributions, approve changes to this document, manage the copyrights within the project outputs, and attend regular TSC meetings.
+
+TSC members may perform all of the duties of Reviewers, and also:
+
+* May release new versions of all ESLint projects.
+* May participate in TSC meetings.
+* May propose budget items.
+* May propose new ESLint projects.
+
+There is no specific set of requirements or qualifications for TSC members beyond those that are expected of Reviewers.
+
+A Reviewer is invited to become a TSC member by existing TSC members. A nomination will result in discussion and then a decision by the TSC.
+
+#### Process for Adding TSC Members
+
+1. Add the GitHub user to the "ESLint TSC" GitHub team
+1. Set the GitHub user to be have the "Owner" role for the ESLint organization
+1. Send a welcome email with a link to the [maintainer guide](./) and the [npm 2FA guide](./npm-2fa).
+1. Invite to the Gitter TSC chatroom
+1. Make the TSC member an admin on the ESLint team mailing list
+1. Add the TSC member to the recurring TSC meeting event on Google Calendar
+1. Add the TSC member as an admin to ESLint Twitter Account on Tweetdeck
+1. Add the TSC member to the ESLint TSC mailing list as an "Owner"
+1. Tweet congratulations to the new TSC member from the ESLint Twitter account
+
+#### TSC Meetings
+
+The TSC meets every other week in the [TSC Meeting](https://gitter.im/eslint/tsc-meetings) chatroom. The meeting is run by
+a designated moderator approved by the TSC.
+
+Items are added to the TSC agenda which are considered contentious or
+are modifications of governance, contribution policy, TSC membership,
+or release process.
+
+The intention of the agenda is not to approve or review all patches.
+That should happen continuously on GitHub and be handled by the larger
+group of Committers.
+
+Any community member, Committer, or Reviewer can ask that something be added to
+the next meeting's agenda by logging a GitHub Issue. Anyone can add the item to the agenda by adding
+the "tsc agenda" tag to the issue.
+
+Prior to each TSC meeting, the moderator will share the Agenda with
+members of the TSC. TSC members can add any items they like to the
+agenda at the beginning of each meeting. The moderator and the TSC
+cannot veto or remove items.
+
+No binding votes on TSC agenda items can take place without a quorum of
+TSC members present in the meeting. Quorum is achieved when more than
+half of the TSC members (minus non-attending members) are present.
+
+The TSC may invite persons or representatives from certain projects to
+participate in a non-voting capacity.
+
+The moderator is responsible for summarizing the discussion of each
+agenda item and sending it as a pull request after the meeting.
+
+## Consensus Seeking Process
+
+The TSC follows a
+[Consensus Seeking](https://en.wikipedia.org/wiki/Consensus-seeking_decision-making)
+decision making model.
+
+When an agenda item has appeared to reach a consensus, the moderator
+will ask "Does anyone object?" as a final call for dissent from the
+consensus.
+
+If an agenda item cannot reach a consensus, a TSC member can call for
+either a closing vote or a vote to table the issue to the next
+meeting. The call for a vote must be approved by a majority of the TSC
+or else the discussion will continue. Simple majority wins.
+
+----
+
+This work is a derivative of [YUI Contributor Model](https://github.com/yui/yui3/wiki/Contributor-Model) and the [Node.js Project Governance Model](https://github.com/nodejs/node/blob/master/GOVERNANCE.md).
+
+This work is licensed under a [Creative Commons Attribution-ShareAlike 2.0 UK: England & Wales License](https://creativecommons.org/licenses/by-sa/2.0/uk/).
diff --git a/eslint/docs/maintainer-guide/issues.md b/eslint/docs/maintainer-guide/issues.md
new file mode 100644
index 0000000..ad61025
--- /dev/null
+++ b/eslint/docs/maintainer-guide/issues.md
@@ -0,0 +1,121 @@
+# Managing Issues
+
+New issues are filed frequently, and how we respond to those issues directly affects the success of the project. Being part of the project team means helping to triage and address issues as they come in so the project can continue to run smoothly.
+
+## Things to Keep in Mind
+
+1. **Be nice.** Even if the people are being rude or aggressive on an issue, as a project team member you must be the mature one in the conversation. Do your best to work with everyone no matter their style. Remember, poor wording choice can also be a sign of someone who doesn't know English very well, so be sure to consider that when trying to determine the tone of someone's message. Being rude, even when someone is being rude to you, reflects poorly on the team and the project as a whole.
+1. **Be inquisitive.** Ask questions on the issue whenever something isn't clear. Don't assume you understand what's being reported if there are details missing. Whenever you are unsure, it's best to ask for more information.
+1. **Not all requests are equal.** It's unlikely we'll be able to accommodate every request, so don't be afraid to say that something doesn't fit into the scope of the project or isn't practical. It's better to give such feedback if that's the case.
+1. **Close when appropriate.** Don't be afraid to close issues that you don't think will be done, or when it's become clear from the conversation that there's no further work to do. Issues can always be reopened if they are closed incorrectly, so feel free to close issues when appropriate. Just be sure to leave a comment explaining why the issue is being closed (if not closed by a commit).
+
+## Types of Issues
+
+There are four primary issue categories:
+
+1. **Bug** - something isn't working the way it's expected to work.
+1. **Enhancement** - a change to something that already exists. For instance, adding a new option to an existing rule or a bug in a rule where fixing it will result in the rule reporting more problems (in this case, use both "Bug" and "Enhancement").
+1. **Feature** - adding something that doesn't already exist. For example, adding a new rule, new formatter, or new command line flag.
+1. **Question** - an inquiry about how something works that won't result in a code change. We'd prefer if people use the mailing list or chatroom for questions, but sometimes they'll open an issue.
+
+The first goal when evaluating an issue is to determine which category the issue falls into.
+
+## When an Issue is Opened
+
+When an issue is opened, the bot will automatically apply the "triage" label. Issues labeled with "triage" are the ones that need to be looked at by team members to determine what to do next.
+
+The steps for triaging an issue are:
+
+1. Is it clear what is being requested?
+    * No: add the "needs info" label to the issue. The bot will add a comment asking for more information. You don't need to comment any further until the person who opened the issue responds with the information requested from the bot.
+    * Yes:
+        * Remove the "triage" label
+        * Label questions with the "question" label
+        * Label bug reports with the "bug" label (also use the "accepted" label if you can reproduce and verify the bug, otherwise add the "evaluating" label to indicate someone needs to verify)
+        * Label requests for changes to existing features (new rule options, new configuration options, etc.) with the "enhancement" and "evaluating" labels
+        * Label requests for completely new features (new rules, supporting a new file format, etc.) with the "feature" and "evaluating" labels
+        * Use an appropriate label for the part of the project the issue refers to:
+            * "build" - related to commands run during a build (testing, linting, release scripts, etc.)
+            * "cli" - related to command line input or output, or to `CLIEngine`
+            * "core" - related to internal APIs
+            * "documentation" - related to content on eslint.org
+            * "infrastructure" - related to resources needed for builds or deployment (VMs, CI tools, bots, etc.)
+1. Once it's clear what type of issue it is, make sure all of the relevant information is provided:
+    * **Bugs**: See [bug reporting guidelines](/docs/developer-guide/contributing/reporting-bugs.md)
+    * **New Rules:** See [rule proposal guidelines](/docs/developer-guide/contributing/new-rules.md)
+    * **Rule Changes:** See [rule change proposal guidelines](/docs/developer-guide/contributing/rule-changes.md)
+    * **Other Changes:** See [change proposal guidelines](/docs/developer-guide/contributing/changes.md)
+1. Next steps:
+    * **Questions:** answer the question and close the issue when the conversation is over.
+    * **Bugs:** if you can verify the bug, add the "accepted" label and ask if they would like to submit a pull request.
+    * **New Rules:** if you are willing to champion the rule (meaning you believe it should be included in ESLint core and you will take ownership of the process for including it), add a comment saying you will champion the issue, assign the issue to yourself, and follow the [guidelines](#championing-issues) below.
+    * **Rule Changes:** if you are willing to champion the change and it would not be a breaking change (requiring a major version increment), add a comment saying that you will champion the issue, assign the issue to yourself, and follow the [guidelines](#championing-issues) below.
+    * **Breaking Changes:** if you suspect or can verify that a change would be breaking, label it as "Breaking".
+    * **Duplicates:** if you can verify the issue is a duplicate, add a comment mentioning the duplicate issue (such as, "Duplicate of #1234") and close the issue.
+1. Regardless of the above, always leave a comment. Don't just add labels, engage with the person who opened the issue by asking a question (request more information if necessary) or stating your opinion of the issue. If it's a verified bug, ask if the user would like to submit a pull request.
+
+**Note:** "Good first issue" issues are intended to help new contributors feel welcome and empowered to make a contribution to ESLint. To ensure that new contributors are given a chance to work on these issues, issues labeled "good first issue" must be open for 30 days *from the day the issue was labeled* before a team member is permitted to work on them.
+
+## Accepting Issues
+
+Issues may be labeled as "accepted" when the issue is:
+
+* A bug that you've been able to reproduce and verify (i.e. you're sure it's a bug)
+* A new rule or rule change that you're championing and [consensus](#consensus) has been reached for its inclusion in the project
+
+The "accepted" label will be added to other issues by a TSC member if it's appropriate for the roadmap.
+
+## Championing Issues
+
+New rules and rule changes require a champion. As champion, it's your job to:
+
+* Gain [consensus](#consensus) from the ESLint team on inclusion
+* Guide the rule creation process until it's complete (so only champion a rule that you have time to implement or help another contributor implement)
+
+Once consensus has been reached on inclusion, add the "accepted" and, optionally, "help wanted" and "good first issue" labels, as necessary.
+
+## Consensus
+
+Consensus is reached on issues when there are at least three team members who believe the change is a good idea and no one who believes the change is a bad idea. In order to indicate your support for an issue, leave a +1 reaction (thumbs up) on the original issue description in addition to any comments you might have.
+
+## When to Send to TSC
+
+If consensus cannot be reached on an issue, or an issue's progress has been stalled and it's not clear if the issue should be closed, then you can refer the issue to the TSC for resolution. To do so, add the "tsc agenda" label to the issue and add a comment including the following information:
+
+1. A one-paragraph summary of the discussion to this point.
+2. The question you would like the TSC to answer.
+
+The issue will be discussed at the next TSC meeting and the resolution will be posted back to the issue.
+
+## Evaluating Core Features and Enhancements (TSC members only)
+
+In addition to the above, changes to the core (including CLI changes) that would result in a minor or major version release must be approved by the TSC by standard TSC motion. Add the label "tsc agenda" to the issue and it will be discussed at the next TSC meeting. In general, requests should meet the following criteria to be considered:
+
+1. The feature or enhancement is in scope for the project and should be added to the roadmap
+1. Someone is committed to including the change within the next year
+1. There is reasonable certainty about who will do the work
+
+When a suggestion is too ambitious or would take too much time to complete, it's better not to accept the proposal. Stick to small, incremental changes and lay out a roadmap of where you'd like the project to go eventually. Don't let the project get bogged down in big features that will take a long time to complete.
+
+**Breaking Changes:** Be on the lookout for changes that would be breaking. Issues that represent breaking changes should be labeled as "breaking".
+
+## When to Close an Issue
+
+All team members are allowed to close issues depending on how the issue has been resolved.
+
+Team members may close an issue **immediately** if:
+
+1. The issue is a duplicate of an existing issue.
+1. The issue is just a question and has been answered.
+
+Team members may close an issue where the consensus is to not accept the issue after a waiting period (to ensure that other team members have a chance to review the issue before it is closed):
+
+* Wait **2 days** if the issue was opened Monday through Friday.
+* Wait **3 days** if the issue was opened on Saturday or Sunday.
+
+In an effort to keep the issues backlog manageable, team members may also close an issue if the following conditions are met:
+
+* **Unaccepted**: Close after it has been open for 21 days, as these issues do not have enough support to move forward.
+* **Accepted**: Close after 90 days if no one from the team or the community is willing to step forward and own the work to complete to it.
+* **Help wanted:** Close after 90 days if it has not been completed.
+
diff --git a/eslint/docs/maintainer-guide/npm-2fa.md b/eslint/docs/maintainer-guide/npm-2fa.md
new file mode 100644
index 0000000..e9a5177
--- /dev/null
+++ b/eslint/docs/maintainer-guide/npm-2fa.md
@@ -0,0 +1,16 @@
+# npm two-factor authentication
+
+The `eslint` npm account has two-factor authentication (2FA) enabled. The 2FA secret is distributed using a team on [Keybase](https://keybase.io). Anyone doing a release of a package from the Jenkins server needs to have access to the 2FA secret.
+
+If you're on ESLint's TSC, you should perform the following steps to obtain the 2FA secret:
+
+1. Download the [Keybase app](https://keybase.io/download) on a smartphone.
+1. Open the app and create an account.
+1. From the app, link your Keybase username with your GitHub username. (At the time of writing, the UI for this is to tap the face icon in the bottom-left of the app, then the profile picture in the top-right, then tap "Prove your GitHub" and follow the instructions.)
+1. Mention your Keybase username in the team chatroom, and wait for someone to add you to the Keybase team.
+1. Download an authenticator app like [Google Authenticator](https://support.google.com/accounts/answer/1066447) or [Authy](https://authy.com/), if you don't have one installed already.
+1. In the Keybase app, navigate to the Keybase filesystem (at the time of writing, the UI for this is to tap the hamburger icon in the bottom-right, then tap "Files") and then navigate to `/team/eslint/auth`.
+    * If your authenticator app is downloaded on the same device as your Keybase app (this will usually be the case if you're using the Keybase mobile app), then open `npm_2fa_code.txt` and copy the contents to the clipboard. Open your authenticator app, and paste the contents as a new key (by selecting something like "Enter a provided key" or "Enter key manually").
+    * If your authenticator app is downloaded on a *different* device from your Keybase app (e.g. if you're using a Keybase desktop app), then open `npm_2fa_code.png` and scan it as a QR code from your authenticator app.
+
+You should now be able to generate 6-digit 2FA codes for the `eslint` npm account using your authenticator app.
diff --git a/eslint/docs/maintainer-guide/pullrequests.md b/eslint/docs/maintainer-guide/pullrequests.md
new file mode 100644
index 0000000..2d3b13b
--- /dev/null
+++ b/eslint/docs/maintainer-guide/pullrequests.md
@@ -0,0 +1,94 @@
+# Reviewing Pull Requests
+
+Pull requests are submitted frequently and represent our best opportunity to interact with the community. As such, it's important that pull requests are well-reviewed before being merged and that interactions on pull requests are positive.
+
+## Who Can Review Pull Requests?
+
+Anyone, both team members and the public, may leave comments on pull requests.
+
+## Reviewing a Pull Request
+
+When a pull request is opened, the bot will check the following:
+
+1. Has the submitter signed a CLA?
+1. Is the commit message summary in the correct format?
+1. Is the commit summary too long?
+
+The bot will add a comment specifying the problems that it finds. You do not need to look at the pull request any further until those problems have been addressed (there's no need to comment on the pull request to ask the submitter to do what the bot asked - that's why we have the bot!).
+
+Once the bot checks have been satisfied, you check the following:
+
+1. Double-check that the commit message tag ("Fix:", "New:", etc.) is correct based on the issue (or, if no issue is referenced, based on the stated problem).
+1. If the pull request makes a change to core, ensure that an issue exists and the pull request references the issue in the commit message.
+1. Does the code follow our conventions (including header comments, JSDoc comments, etc.)? If not, please leave that feedback and reference the conventions document.
+1. For code changes:
+    * Are there tests that verify the change? If not, please ask for them.
+    * Is documentation needed for the change? If yes, please let the submitter know.
+1. Are there any automated testing errors? If yes, please ask the submitter to check on them.
+1. If you've reviewed the pull request and there are no outstanding issues, leave a comment "LGTM" to indicate your approval. If you would like someone else to verify the change, comment "LGTM but would like someone else to verify."
+
+**Note:** If you are a team member and you've left a comment on the pull request, please follow up to verify that your comments have been addressed.
+
+## Who Can Merge a Pull Request
+
+TSC members and committers may merge pull requests, depending on the contents of the pull request.
+
+Committers may merge a pull request if it is a non-breaking change and is:
+
+1. A documentation change
+1. A bug fix (for either rules or core)
+1. A dependency upgrade
+1. Related to the build tool
+1. A chore
+
+In addition, committers may merge any non-breaking pull request if it has been approved by at least one TSC member.
+
+TSC members may merge all pull requests, including those that committers may merge.
+
+## When to Merge a Pull Request
+
+We use the "Merge" button to merge requests into the repository. Before merging a pull request, verify that:
+
+1. All comments have been addressed
+1. Any team members who made comments have verified that their concerns were addressed
+1. All automated tests are passing (never merge a pull request with failing tests)
+
+Be sure to say thank you to the submitter before merging, especially if they put a lot of work into the pull request.
+
+Team members may merge a pull request immediately if it:
+
+1. Makes a small documentation change
+1. Is a chore
+1. Fixes a block of other work on the repository (build-related, test-related, dependency-related, etc.)
+1. Is an important fix to get into a patch release
+
+Otherwise, team members should observe a waiting period before merging a pull request:
+
+* Wait **2 days** if the pull request was opened Monday through Friday.
+* Wait **3 days** if the pull request was opened on Saturday or Sunday.
+
+The waiting period ensures that other team members have a chance to review the pull request before it is merged.
+
+If the pull request was created from a branch on the `eslint/eslint` repository (as opposed to a fork), delete the branch after merging the pull request. (GitHub will display a "Delete branch" button after the pull request is merged.)
+
+**Note:** You should not merge your own pull request unless you're received feedback from at least one other team member.
+
+## When to Close a Pull Request
+
+There are several times when it's appropriate to close a pull request without merging:
+
+1. The pull request addresses an issue that is already fixed
+1. The pull request hasn't been updated in 30 days
+1. The pull request submitter isn't willing to follow project guidelines.
+
+In any of these cases, please be sure to leave a comment stating why the pull request is being closed.
+
+### Example Closing Comments
+
+If a pull request hasn't been updated in 30 days:
+
+> Closing because there hasn't been activity for 30 days. If you're still interested in submitting this code, please feel free to resubmit.
+
+If a pull request submitter isn't willing to follow project guidelines.
+
+> Unfortunately, we can't accept pull requests that don't follow our guidelines. I'm going to close this pull request now, but if you'd like to resubmit following our guidelines, we'll be happy to review.
diff --git a/eslint/docs/maintainer-guide/releases.md b/eslint/docs/maintainer-guide/releases.md
new file mode 100644
index 0000000..94e1780
--- /dev/null
+++ b/eslint/docs/maintainer-guide/releases.md
@@ -0,0 +1,59 @@
+# Managing Releases
+
+Releases are when a project formally publishes a new version so the community can use it. There are two types of releases:
+
+* Regular releases that follow [semantic versioning](https://semver.org/) and are considered production-ready.
+* Prereleases that are not considered production-ready and are intended to give the community a preview of upcoming changes.
+
+## Release Team
+
+A two-person release team is assigned to each scheduled release. This two-person team is responsible for:
+
+1. The scheduled release on Friday
+1. Monitoring issues over the weekend
+1. Determining if a patch release is necessary on Monday
+1. Publishing the patch release (if necessary)
+
+The two-person team should seek input from the whole team on the Monday following a release to double-check if a patch release is necessary.
+
+At least one member of the release team needs to have access to [eslint's two-factor authentication for npm](./npm-2fa) in order to do a release.
+
+## Release Communication
+
+Each scheduled release should be associated with a release issue ([example](https://github.com/eslint/eslint/issues/8138)). The release issue is the source of information for the team about the status of a release. Be sure the release issue has the "release" label so that it's easy to find.
+
+## Process
+
+On the day of a scheduled release, the release team should follow these steps:
+
+1. Review open pull requests to see if any should be merged. In general, you can merge pull requests that:
+    * Have been open at least two days and have been reviewed (these are just waiting for merge).
+    * Important pull requests (as determined by the team). You should stop and have people review before merging if they haven't been already.
+    * Documentation changes.
+    * Small bugfixes written by a team member.
+1. Log into Jenkins and schedule a build for the "ESLint Release" job.
+1. Watch the console output of the build on Jenkins. At some point, the build will pause and a link will be produced with an input field for a six-digit 2FA code.
+1. Enter the current six-digit 2FA code from your authenticator app. (Also see: [npm-2fa](./npm-2fa))
+1. Continue the build and wait for it to finish.
+1. Update the release blog post with a "Highlights" section, including new rules and anything else that's important.
+1. Make a release announcement in the public chatroom.
+1. Make a release announcement on Twitter.
+1. Make a release announcement on the release issue. Document any problems that occurred during the release, and remind the team not to merge anything other than documentation changes and bugfixes. Leave the release issue open.
+1. Add the `patch release pending` label to the release issue. (When this label is present, `eslint-github-bot` will create a pending status check on non-semver-patch pull requests, to ensure that they aren't accidentally merged while a patch release is pending.)
+
+On the Monday following the scheduled release, the release team needs to determine if a patch release is necessary. A patch release is considered necessary if any of the following occurred since the scheduled release:
+
+* A regression bug is causing people's lint builds to fail when it previously passed.
+* Any bug that is causing a lot of problems for users (frequently happens due to new functionality).
+
+The patch release decision should be made as early on Monday as possible. If a patch release is necessary, then follow the same steps as the scheduled release process.
+
+In rare cases, a second patch release might be necessary if the release is known to have a severe regression that hasn't been fixed by Monday. If this occurs, the release team should announce the situation on the release issue, and leave the issue open until all patch releases are complete. However, it's usually better to fix bugs for the next release cycle rather than doing a second patch release.
+
+After the patch release has been published (or no patch release is necessary), close the release issue and inform the team that they can start merging in semver-minor changes again.
+
+## Emergency Releases
+
+In general, we try not to do emergency releases (an emergency release is unplanned and isn't the regularly scheduled release or the anticipated patch release). Even if there is a regression, it's best to wait the weekend to see if any other problems arise so a patch release can fix as many issues as possible.
+
+The only real exception is if ESLint is completely unusable by most of the current users. For instance, we once pushed a release that errored for everyone because it was missing some core files. In that case, an emergency release is appropriate.
diff --git a/eslint/docs/maintainer-guide/working-groups.md b/eslint/docs/maintainer-guide/working-groups.md
new file mode 100644
index 0000000..d6d22fb
--- /dev/null
+++ b/eslint/docs/maintainer-guide/working-groups.md
@@ -0,0 +1,22 @@
+# Working Groups
+
+The ESLint TSC may form working groups to focus on a specific area of the project.
+
+## Creating a Working Group
+
+Working groups are created by sending an email to the team mailing list. Each working group:
+
+1. Must have a GitHub team under the "ESLint Team" top-level GitHub team. (The GitHub team name should end with "WG" to distinguish it from other types of teams.)
+1. Must have at least one TSC member.
+1. May have any number of Committers and Reviewers.
+1. Must have at least two members.
+
+Active working groups are listed on the [team page](https://eslint.org/team).
+
+## How Working Groups Work
+
+Each working group is responsible for its own inner working. Working groups can decide how large or small they should be (so long as there is at least two members), when and who to add or remove from the working group, and how to accomplish their objectives.
+
+Working groups may be temporary or permanent.
+
+If working groups intend to make a significant change to the ESLint project, the proposal must still be approved by the TSC.
diff --git a/eslint/docs/rules/accessor-pairs.md b/eslint/docs/rules/accessor-pairs.md
new file mode 100644
index 0000000..25028d9
--- /dev/null
+++ b/eslint/docs/rules/accessor-pairs.md
@@ -0,0 +1,289 @@
+# Enforces getter/setter pairs in objects and classes (accessor-pairs)
+
+It's a common mistake in JavaScript to create an object with just a setter for a property but never have a corresponding getter defined for it. Without a getter, you cannot read the property, so it ends up not being used.
+
+Here are some examples:
+
+```js
+// Bad
+var o = {
+    set a(value) {
+        this.val = value;
+    }
+};
+
+// Good
+var o = {
+    set a(value) {
+        this.val = value;
+    },
+    get a() {
+        return this.val;
+    }
+};
+
+```
+
+This rule warns if setters are defined without getters. Using an option `getWithoutSet`, it will warn if you have a getter without a setter also.
+
+## Rule Details
+
+This rule enforces a style where it requires to have a getter for every property which has a setter defined.
+
+By activating the option `getWithoutSet` it enforces the presence of a setter for every property which has a getter defined.
+
+This rule always checks object literals and property descriptors. By default, it also checks class declarations and class expressions.
+
+## Options
+
+* `setWithoutGet` set to `true` will warn for setters without getters (Default `true`).
+* `getWithoutSet` set to `true` will warn for getters without setters (Default `false`).
+* `enforceForClassMembers` set to `true` additionally applies this rule to class getters/setters (Default `true`). Set `enforceForClassMembers` to `false` if you want this rule to ignore class declarations and class expressions.
+
+### setWithoutGet
+
+Examples of **incorrect** code for the default `{ "setWithoutGet": true }` option:
+
+```js
+/*eslint accessor-pairs: "error"*/
+
+var o = {
+    set a(value) {
+        this.val = value;
+    }
+};
+
+var o = {d: 1};
+Object.defineProperty(o, 'c', {
+    set: function(value) {
+        this.val = value;
+    }
+});
+```
+
+Examples of **correct** code for the default `{ "setWithoutGet": true }` option:
+
+```js
+/*eslint accessor-pairs: "error"*/
+
+var o = {
+    set a(value) {
+        this.val = value;
+    },
+    get a() {
+        return this.val;
+    }
+};
+
+var o = {d: 1};
+Object.defineProperty(o, 'c', {
+    set: function(value) {
+        this.val = value;
+    },
+    get: function() {
+        return this.val;
+    }
+});
+
+```
+
+### getWithoutSet
+
+Examples of **incorrect** code for the `{ "getWithoutSet": true }` option:
+
+```js
+/*eslint accessor-pairs: ["error", { "getWithoutSet": true }]*/
+
+var o = {
+    set a(value) {
+        this.val = value;
+    }
+};
+
+var o = {
+    get a() {
+        return this.val;
+    }
+};
+
+var o = {d: 1};
+Object.defineProperty(o, 'c', {
+    set: function(value) {
+        this.val = value;
+    }
+});
+
+var o = {d: 1};
+Object.defineProperty(o, 'c', {
+    get: function() {
+        return this.val;
+    }
+});
+```
+
+Examples of **correct** code for the `{ "getWithoutSet": true }` option:
+
+```js
+/*eslint accessor-pairs: ["error", { "getWithoutSet": true }]*/
+var o = {
+    set a(value) {
+        this.val = value;
+    },
+    get a() {
+        return this.val;
+    }
+};
+
+var o = {d: 1};
+Object.defineProperty(o, 'c', {
+    set: function(value) {
+        this.val = value;
+    },
+    get: function() {
+        return this.val;
+    }
+});
+
+```
+
+### enforceForClassMembers
+
+When `enforceForClassMembers` is set to `true` (default):
+
+* `"getWithoutSet": true` will also warn for getters without setters in classes.
+* `"setWithoutGet": true` will also warn for setters without getters in classes.
+
+Examples of **incorrect** code for `{ "getWithoutSet": true, "enforceForClassMembers": true }`:
+
+```js
+/*eslint accessor-pairs: ["error", { "getWithoutSet": true, "enforceForClassMembers": true }]*/
+
+class Foo {
+    get a() {
+        return this.val;
+    }
+}
+
+class Bar {
+    static get a() {
+        return this.val;
+    }
+}
+
+const Baz = class {
+    get a() {
+        return this.val;
+    }
+    static set a(value) {
+        this.val = value;
+    }
+}
+```
+
+Examples of **incorrect** code for `{ "setWithoutGet": true, "enforceForClassMembers": true }`:
+
+```js
+/*eslint accessor-pairs: ["error", { "setWithoutGet": true, "enforceForClassMembers": true }]*/
+
+class Foo {
+    set a(value) {
+        this.val = value;
+    }
+}
+
+const Bar = class {
+    static set a(value) {
+        this.val = value;
+    }
+}
+```
+
+When `enforceForClassMembers` is set to `false`, this rule ignores classes.
+
+Examples of **correct** code for `{ "getWithoutSet": true, "setWithoutGet": true, "enforceForClassMembers": false }`:
+
+```js
+/*eslint accessor-pairs: ["error", {
+    "getWithoutSet": true, "setWithoutGet": true, "enforceForClassMembers": false
+}]*/
+
+class Foo {
+    get a() {
+        return this.val;
+    }
+}
+
+class Bar {
+    static set a(value) {
+        this.val = value;
+    }
+}
+
+const Baz = class {
+    static get a() {
+        return this.val;
+    }
+}
+
+const Quux = class {
+    set a(value) {
+        this.val = value;
+    }
+}
+```
+
+
+## Known Limitations
+
+Due to the limits of static analysis, this rule does not account for possible side effects and in certain cases
+might not report a missing pair for a getter/setter that has a computed key, like in the following example:
+
+```js
+/*eslint accessor-pairs: "error"*/
+
+var a = 1;
+
+// no warnings
+var o = {
+    get [a++]() {
+        return this.val;
+    },
+    set [a++](value) {
+        this.val = value;
+    }
+};
+```
+
+Also, this rule does not disallow duplicate keys in object literals and class definitions, and in certain cases with duplicate keys
+might not report a missing pair for a getter/setter, like in the following example:
+
+```js
+/*eslint accessor-pairs: "error"*/
+
+// no warnings
+var o = {
+    get a() {
+        return this.val;
+    },
+    a: 1,
+    set a(value) {
+        this.val = value;
+    }
+};
+```
+
+The code above creates an object with just a setter for the property `"a"`.
+
+See [no-dupe-keys](no-dupe-keys.md) if you also want to disallow duplicate keys in object literals.
+
+See [no-dupe-class-members](no-dupe-class-members.md) if you also want to disallow duplicate names in class definitions.
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the simultaneous presence of setters and getters on objects.
+
+## Further Reading
+
+* [Object Setters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set)
+* [Object Getters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get)
+* [Working with Objects](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects)
diff --git a/eslint/docs/rules/array-bracket-newline.md b/eslint/docs/rules/array-bracket-newline.md
new file mode 100644
index 0000000..eed3229
--- /dev/null
+++ b/eslint/docs/rules/array-bracket-newline.md
@@ -0,0 +1,281 @@
+# enforce line breaks after opening and before closing array brackets (array-bracket-newline)
+
+A number of style guides require or disallow line breaks inside of array brackets.
+
+## Rule Details
+
+This rule enforces line breaks after opening and before closing array brackets.
+
+## Options
+
+This rule has either a string option:
+
+* `"always"` requires line breaks inside brackets
+* `"never"` disallows line breaks inside brackets
+* `"consistent"` requires consistent usage of linebreaks for each pair of brackets. It reports an error if one bracket in the pair has a linebreak inside it and the other bracket does not.
+
+Or an object option (Requires line breaks if any of properties is satisfied. Otherwise, disallows line breaks):
+
+* `"multiline": true` (default) requires line breaks if there are line breaks inside elements or between elements. If this is false, this condition is disabled.
+* `"minItems": null` (default) requires line breaks if the number of elements is at least the given integer. If this is 0, this condition will act the same as the option `"always"`. If this is `null` (the default), this condition is disabled.
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "always"]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1,
+    2];
+var e = [function foo() {
+    dosomething();
+}];
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "always"]*/
+
+var a = [
+];
+var b = [
+    1
+];
+var c = [
+    1, 2
+];
+var d = [
+    1,
+    2
+];
+var e = [
+    function foo() {
+        dosomething();
+    }
+];
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "never"]*/
+
+var a = [
+];
+var b = [
+    1
+];
+var c = [
+    1, 2
+];
+var d = [
+    1,
+    2
+];
+var e = [
+    function foo() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "never"]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1,
+    2];
+var e = [function foo() {
+    dosomething();
+}];
+```
+
+### consistent
+
+Examples of **incorrect** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "consistent"]*/
+
+var a = [1
+];
+var b = [
+    1];
+var c = [function foo() {
+    dosomething();
+}
+]
+var d = [
+    function foo() {
+        dosomething();
+    }]
+```
+
+Examples of **correct** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint array-bracket-newline: ["error", "consistent"]*/
+
+var a = [];
+var b = [
+];
+var c = [1];
+var d = [
+    1
+];
+var e = [function foo() {
+    dosomething();
+}];
+var f = [
+    function foo() {
+        dosomething();
+    }
+];
+```
+
+### multiline
+
+Examples of **incorrect** code for this rule with the default `{ "multiline": true }` option:
+
+```js
+/*eslint array-bracket-newline: ["error", { "multiline": true }]*/
+
+var a = [
+];
+var b = [
+    1
+];
+var c = [
+    1, 2
+];
+var d = [1,
+    2];
+var e = [function foo() {
+    dosomething();
+}];
+```
+
+Examples of **correct** code for this rule with the default `{ "multiline": true }` option:
+
+```js
+/*eslint array-bracket-newline: ["error", { "multiline": true }]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [
+    1,
+    2
+];
+var e = [
+    function foo() {
+        dosomething();
+    }
+];
+```
+
+### minItems
+
+Examples of **incorrect** code for this rule with the `{ "minItems": 2 }` option:
+
+```js
+/*eslint array-bracket-newline: ["error", { "minItems": 2 }]*/
+
+var a = [
+];
+var b = [
+    1
+];
+var c = [1, 2];
+var d = [1,
+    2];
+var e = [
+  function foo() {
+    dosomething();
+  }
+];
+```
+
+Examples of **correct** code for this rule with the `{ "minItems": 2 }` option:
+
+```js
+/*eslint array-bracket-newline: ["error", { "minItems": 2 }]*/
+
+var a = [];
+var b = [1];
+var c = [
+    1, 2
+];
+var d = [
+    1,
+    2
+];
+var e = [function foo() {
+    dosomething();
+}];
+```
+
+### multiline and minItems
+
+Examples of **incorrect** code for this rule with the `{ "multiline": true, "minItems": 2 }` options:
+
+```js
+/*eslint array-bracket-newline: ["error", { "multiline": true, "minItems": 2 }]*/
+
+var a = [
+];
+var b = [
+    1
+];
+var c = [1, 2];
+var d = [1,
+    2];
+var e = [function foo() {
+    dosomething();
+}];
+```
+
+Examples of **correct** code for this rule with the `{ "multiline": true, "minItems": 2 }` options:
+
+```js
+/*eslint array-bracket-newline: ["error", { "multiline": true, "minItems": 2 }]*/
+
+var a = [];
+var b = [1];
+var c = [
+    1, 2
+];
+var d = [
+    1,
+    2
+];
+var e = [
+    function foo() {
+        dosomething();
+    }
+];
+```
+
+
+## When Not To Use It
+
+If you don't want to enforce line breaks after opening and before closing array brackets, don't enable this rule.
+
+## Compatibility
+
+* **JSCS:** [validateNewlineAfterArrayElements](https://jscs-dev.github.io/rule/validateNewlineAfterArrayElements)
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
diff --git a/eslint/docs/rules/array-bracket-spacing.md b/eslint/docs/rules/array-bracket-spacing.md
new file mode 100644
index 0000000..a8c745f
--- /dev/null
+++ b/eslint/docs/rules/array-bracket-spacing.md
@@ -0,0 +1,223 @@
+# Disallow or enforce spaces inside of brackets (array-bracket-spacing)
+
+A number of style guides require or disallow spaces between array brackets and other tokens. This rule
+applies to both array literals and destructuring assignments (ECMAScript 6).
+
+```js
+/*eslint-env es6*/
+
+var arr = [ 'foo', 'bar' ];
+var [ x, y ] = z;
+
+var arr = ['foo', 'bar'];
+var [x,y] = z;
+```
+
+## Rule Details
+
+This rule enforces consistent spacing inside array brackets.
+
+## Options
+
+This rule has a string option:
+
+* `"never"` (default) disallows spaces inside array brackets
+* `"always"` requires one or more spaces or newlines inside array brackets
+
+This rule has an object option for exceptions to the `"never"` option:
+
+* `"singleValue": true` requires one or more spaces or newlines inside brackets of array literals that contain a single element
+* `"objectsInArrays": true` requires one or more spaces or newlines between brackets of array literals and braces of their object literal elements `[ {` or `} ]`
+* `"arraysInArrays": true` requires one or more spaces or newlines between brackets of array literals and brackets of their array literal elements `[ [` or `] ]`
+
+This rule has an object option for exceptions to the `"always"` option:
+
+* `"singleValue": false` disallows spaces inside brackets of array literals that contain a single element
+* `"objectsInArrays": false` disallows spaces between brackets of array literals and braces of their object literal elements `[{` or `}]`
+* `"arraysInArrays": false` disallows spaces between brackets of array literals and brackets of their array literal elements `[[` or `]]`
+
+This rule has built-in exceptions:
+
+* `"never"` (and also the exceptions to the `"always"` option) allows newlines inside array brackets, because this is a common pattern
+* `"always"` does not require spaces or newlines in empty array literals `[]`
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint array-bracket-spacing: ["error", "never"]*/
+/*eslint-env es6*/
+
+var arr = [ 'foo', 'bar' ];
+var arr = ['foo', 'bar' ];
+var arr = [ ['foo'], 'bar'];
+var arr = [[ 'foo' ], 'bar'];
+var arr = [ 'foo',
+  'bar'
+];
+var [ x, y ] = z;
+var [ x,y ] = z;
+var [ x, ...y ] = z;
+var [ ,,x, ] = z;
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint array-bracket-spacing: ["error", "never"]*/
+/*eslint-env es6*/
+
+var arr = [];
+var arr = ['foo', 'bar', 'baz'];
+var arr = [['foo'], 'bar', 'baz'];
+var arr = [
+  'foo',
+  'bar',
+  'baz'
+];
+var arr = ['foo',
+  'bar'
+];
+var arr = [
+  'foo',
+  'bar'];
+
+var [x, y] = z;
+var [x,y] = z;
+var [x, ...y] = z;
+var [,,x,] = z;
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always"]*/
+/*eslint-env es6*/
+
+var arr = ['foo', 'bar'];
+var arr = ['foo', 'bar' ];
+var arr = [ ['foo'], 'bar' ];
+var arr = ['foo',
+  'bar'
+];
+var arr = [
+  'foo',
+  'bar'];
+
+var [x, y] = z;
+var [x,y] = z;
+var [x, ...y] = z;
+var [,,x,] = z;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always"]*/
+/*eslint-env es6*/
+
+var arr = [];
+var arr = [ 'foo', 'bar', 'baz' ];
+var arr = [ [ 'foo' ], 'bar', 'baz' ];
+var arr = [ 'foo',
+  'bar'
+];
+var arr = [
+  'foo',
+  'bar' ];
+var arr = [
+  'foo',
+  'bar',
+  'baz'
+];
+
+var [ x, y ] = z;
+var [ x,y ] = z;
+var [ x, ...y ] = z;
+var [ ,,x, ] = z;
+```
+
+### singleValue
+
+Examples of **incorrect** code for this rule with the `"always", { "singleValue": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/
+
+var foo = [ 'foo' ];
+var foo = [ 'foo'];
+var foo = ['foo' ];
+var foo = [ 1 ];
+var foo = [ 1];
+var foo = [1 ];
+var foo = [ [ 1, 2 ] ];
+var foo = [ { 'foo': 'bar' } ];
+```
+
+Examples of **correct** code for this rule with the `"always", { "singleValue": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "singleValue": false }]*/
+
+var foo = ['foo'];
+var foo = [1];
+var foo = [[ 1, 1 ]];
+var foo = [{ 'foo': 'bar' }];
+```
+
+### objectsInArrays
+
+Examples of **incorrect** code for this rule with the `"always", { "objectsInArrays": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/
+
+var arr = [ { 'foo': 'bar' } ];
+var arr = [ {
+  'foo': 'bar'
+} ]
+```
+
+Examples of **correct** code for this rule with the `"always", { "objectsInArrays": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "objectsInArrays": false }]*/
+
+var arr = [{ 'foo': 'bar' }];
+var arr = [{
+  'foo': 'bar'
+}];
+```
+
+### arraysInArrays
+
+Examples of **incorrect** code for this rule with the `"always", { "arraysInArrays": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/
+
+var arr = [ [ 1, 2 ], 2, 3, 4 ];
+var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];
+```
+
+Examples of **correct** code for this rule with the `"always", { "arraysInArrays": false }` options:
+
+```js
+/*eslint array-bracket-spacing: ["error", "always", { "arraysInArrays": false }]*/
+
+var arr = [[ 1, 2 ], 2, 3, 4 ];
+var arr = [[ 1, 2 ], 2, [ 3, 4 ]];
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing between array brackets.
+
+## Related Rules
+
+* [space-in-parens](space-in-parens.md)
+* [object-curly-spacing](object-curly-spacing.md)
+* [computed-property-spacing](computed-property-spacing.md)
diff --git a/eslint/docs/rules/array-callback-return.md b/eslint/docs/rules/array-callback-return.md
new file mode 100644
index 0000000..c0a5ad8
--- /dev/null
+++ b/eslint/docs/rules/array-callback-return.md
@@ -0,0 +1,154 @@
+# Enforces return statements in callbacks of array's methods (array-callback-return)
+
+`Array` has several methods for filtering, mapping, and folding.
+If we forget to write `return` statement in a callback of those, it's probably a mistake. If you don't want to use a return or don't need the returned results, consider using [.forEach](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach) instead.
+
+```js
+// example: convert ['a', 'b', 'c'] --> {a: 0, b: 1, c: 2}
+var indexMap = myArray.reduce(function(memo, item, index) {
+  memo[item] = index;
+}, {}); // Error: cannot set property 'b' of undefined
+```
+
+## Rule Details
+
+This rule enforces usage of `return` statement in callbacks of array's methods.
+Additionaly, it may also enforce the `forEach` array method callback to __not__ return a value by using the `checkForEach` option.
+
+This rule finds callback functions of the following methods, then checks usage of `return` statement.
+
+* [`Array.from`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.from)
+* [`Array.prototype.every`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.every)
+* [`Array.prototype.filter`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.filter)
+* [`Array.prototype.find`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.find)
+* [`Array.prototype.findIndex`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.findindex)
+* [`Array.prototype.flatMap`](https://www.ecma-international.org/ecma-262/10.0/#sec-array.prototype.flatmap)
+* [`Array.prototype.forEach`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.foreach) (optional, based on `checkForEach` parameter)
+* [`Array.prototype.map`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.map)
+* [`Array.prototype.reduce`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.reduce)
+* [`Array.prototype.reduceRight`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.reduceright)
+* [`Array.prototype.some`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.some)
+* [`Array.prototype.sort`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.sort)
+* And above of typed arrays.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint array-callback-return: "error"*/
+
+var indexMap = myArray.reduce(function(memo, item, index) {
+    memo[item] = index;
+}, {});
+
+var foo = Array.from(nodes, function(node) {
+    if (node.tagName === "DIV") {
+        return true;
+    }
+});
+
+var bar = foo.filter(function(x) {
+    if (x) {
+        return true;
+    } else {
+        return;
+    }
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint array-callback-return: "error"*/
+
+var indexMap = myArray.reduce(function(memo, item, index) {
+    memo[item] = index;
+    return memo;
+}, {});
+
+var foo = Array.from(nodes, function(node) {
+    if (node.tagName === "DIV") {
+        return true;
+    }
+    return false;
+});
+
+var bar = foo.map(node => node.getAttribute("id"));
+```
+
+## Options
+
+This rule accepts a configuration object with two options:
+
+* `"allowImplicit": false` (default) When set to `true`, allows callbacks of methods that require a return value to implicitly return `undefined` with a `return` statement containing no expression.
+* `"checkForEach": false` (default) When set to `true`, rule will also report `forEach` callbacks that return a value.
+
+### allowImplicit
+
+Examples of **correct** code for the `{ "allowImplicit": true }` option:
+
+```js
+/*eslint array-callback-return: ["error", { allowImplicit: true }]*/
+var undefAllTheThings = myArray.map(function(item) {
+    return;
+});
+```
+
+### checkForEach
+
+Examples of **incorrect** code for the `{ "checkForEach": true }` option:
+
+```js
+/*eslint array-callback-return: ["error", { checkForEach: true }]*/
+
+myArray.forEach(function(item) {
+    return handleItem(item)
+});
+
+myArray.forEach(function(item) {
+    if (item < 0) {
+        return x;
+    }
+    handleItem(item);
+});
+
+myArray.forEach(item => handleItem(item));
+
+myArray.forEach(item => {
+    return handleItem(item);
+});
+```
+
+Examples of **correct** code for the `{ "checkForEach": true }` option:
+
+```js
+/*eslint array-callback-return: ["error", { checkForEach: true }]*/
+
+myArray.forEach(function(item) {
+    handleItem(item)
+});
+
+myArray.forEach(function(item) {
+    if (item < 0) {
+        return;
+    }
+    handleItem(item);
+});
+
+myArray.forEach(function(item) {
+    handleItem(item);
+    return;
+});
+
+myArray.forEach(item => {
+    handleItem(item);
+});
+```
+
+
+## Known Limitations
+
+This rule checks callback functions of methods with the given names, *even if* the object which has the method is *not* an array.
+
+## When Not To Use It
+
+If you don't want to warn about usage of `return` statement in callbacks of array's methods, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/array-element-newline.md b/eslint/docs/rules/array-element-newline.md
new file mode 100644
index 0000000..4409905
--- /dev/null
+++ b/eslint/docs/rules/array-element-newline.md
@@ -0,0 +1,375 @@
+# enforce line breaks between array elements (array-element-newline)
+
+A number of style guides require or disallow line breaks between array elements.
+
+## Rule Details
+
+This rule enforces line breaks between array elements.
+
+## Options
+
+This rule has either a string option:
+
+* `"always"` (default) requires line breaks between array elements
+* `"never"` disallows line breaks between array elements
+* `"consistent"` requires consistent usage of linebreaks between array elements
+
+Or an object option (Requires line breaks if any of properties is satisfied. Otherwise, disallows line breaks):
+
+* `"multiline": <boolean>` requires line breaks if there are line breaks inside elements. If this is false, this condition is disabled.
+* `"minItems": <number>` requires line breaks if the number of elements is at least the given integer. If this is 0, this condition will act the same as the option `"always"`. If this is `null` (the default), this condition is disabled.
+
+Alternatively, different configurations can be specified for array expressions and array patterns:
+
+```json
+{
+    "array-element-newline": ["error", {
+        "ArrayExpression": "consistent",
+        "ArrayPattern": { "minItems": 3 },
+    }]
+}
+```
+
+* `"ArrayExpression"` configuration for array expressions (if unspecified, this rule will not apply to array expressions)
+* `"ArrayPattern"` configuration for array patterns of destructuring assignments (if unspecified, this rule will not apply to array patterns)
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint array-element-newline: ["error", "always"]*/
+
+var c = [1, 2];
+var d = [1, 2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint array-element-newline: ["error", "always"]*/
+
+var a = [];
+var b = [1];
+var c = [1,
+    2];
+var d = [1,
+    2,
+    3];
+var e = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint array-element-newline: ["error", "never"]*/
+
+var c = [
+    1,
+    2
+];
+var d = [
+    1,
+    2,
+    3
+];
+var e = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint array-element-newline: ["error", "never"]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1, 2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+```
+
+### consistent
+
+Examples of **incorrect** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint array-element-newline: ["error", "consistent"]*/
+
+var a = [
+    1, 2,
+    3
+];
+var b = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    },
+    function baz() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint array-element-newline: ["error", "consistent"]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1, 2, 3];
+var e = [
+    1,
+    2
+];
+var f = [
+    1,
+    2,
+    3
+];
+var g = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }, function baz() {
+        dosomething();
+    }
+];
+var h = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    },
+    function baz() {
+        dosomething();
+    }
+];
+```
+
+### multiline
+
+Examples of **incorrect** code for this rule with the `{ "multiline": true }` option:
+
+```js
+/*eslint array-element-newline: ["error", { "multiline": true }]*/
+
+var d = [1,
+    2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `{ "multiline": true }` option:
+
+```js
+/*eslint array-element-newline: ["error", { "multiline": true }]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1, 2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+```
+
+### minItems
+
+Examples of **incorrect** code for this rule with the `{ "minItems": 3 }` option:
+
+```js
+/*eslint array-element-newline: ["error", { "minItems": 3 }]*/
+
+var c = [1,
+    2];
+var d = [1, 2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `{ "minItems": 3 }` option:
+
+```js
+/*eslint array-element-newline: ["error", { "minItems": 3 }]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1,
+    2,
+    3];
+var e = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+```
+
+### multiline and minItems
+
+Examples of **incorrect** code for this rule with the `{ "multiline": true, "minItems": 3 }` options:
+
+```js
+/*eslint array-element-newline: ["error", { "multiline": true, "minItems": 3 }]*/
+
+var c = [1,
+2];
+var d = [1, 2, 3];
+var e = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+```
+
+Examples of **correct** code for this rule with the `{ "multiline": true, "minItems": 3 }` options:
+
+```js
+/*eslint array-element-newline: ["error", { "multiline": true, "minItems": 3 }]*/
+
+var a = [];
+var b = [1];
+var c = [1, 2];
+var d = [1,
+    2,
+    3];
+var e = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+```
+
+### ArrayExpression and ArrayPattern
+
+Examples of **incorrect** code for this rule with the `{ "ArrayExpression": "always", "ArrayPattern": "never" }` options:
+
+```js
+/*eslint array-element-newline: ["error", { "ArrayExpression": "always", "ArrayPattern": "never" }]*/
+
+var a = [1, 2];
+var b = [1, 2, 3];
+var c = [
+    function foo() {
+        dosomething();
+    }, function bar() {
+        dosomething();
+    }
+];
+
+var [d,
+    e] = arr;
+var [f,
+    g,
+    h] = arr;
+var [i = function foo() {
+  dosomething()
+},
+j = function bar() {
+  dosomething()
+}] = arr
+```
+
+Examples of **correct** code for this rule with the `{ "ArrayExpression": "always", "ArrayPattern": "never" }` options:
+
+```js
+/*eslint object-curly-newline: ["error", { "ArrayExpression": "always", "ArrayPattern": "never" }]*/
+
+var a = [1,
+    2];
+var b = [1,
+    2,
+    3];
+var c = [
+    function foo() {
+        dosomething();
+    },
+    function bar() {
+        dosomething();
+    }
+];
+
+var [d, e] = arr
+var [f, g, h] = arr
+var [i = function foo() {
+    dosomething()
+}, j = function bar() {
+    dosomething()
+}] = arr
+```
+
+## When Not To Use It
+
+If you don't want to enforce linebreaks between array elements, don't enable this rule.
+
+## Compatibility
+
+* **JSCS:** [validateNewlineAfterArrayElements](https://jscs-dev.github.io/rule/validateNewlineAfterArrayElements)
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
+* [array-bracket-newline](array-bracket-newline.md)
+* [object-property-newline](object-property-newline.md)
+* [object-curly-spacing](object-curly-spacing.md)
+* [object-curly-newline](object-curly-newline.md)
+* [max-statements-per-line](max-statements-per-line.md)
+* [block-spacing](block-spacing.md)
+* [brace-style](brace-style.md)
diff --git a/eslint/docs/rules/arrow-body-style.md b/eslint/docs/rules/arrow-body-style.md
new file mode 100644
index 0000000..31c0cfe
--- /dev/null
+++ b/eslint/docs/rules/arrow-body-style.md
@@ -0,0 +1,140 @@
+# Require braces in arrow function body (arrow-body-style)
+
+Arrow functions have two syntactic forms for their function bodies.  They may be defined with a *block* body (denoted by curly braces) `() => { ... }` or with a single expression `() => ...`, whose value is implicitly returned.
+
+## Rule Details
+
+This rule can enforce or disallow the use of braces around arrow function body.
+
+## Options
+
+The rule takes one or two options. The first is a string, which can be:
+
+* `"always"` enforces braces around the function body
+* `"as-needed"` enforces no braces where they can be omitted (default)
+* `"never"` enforces no braces around the function body (constrains arrow functions to the role of returning an expression)
+
+The second one is an object for more fine-grained configuration when the first option is `"as-needed"`. Currently, the only available option is `requireReturnForObjectLiteral`, a boolean property. It's `false` by default. If set to `true`, it requires braces and an explicit return for object literals.
+
+```json
+"arrow-body-style": ["error", "always"]
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint arrow-body-style: ["error", "always"]*/
+/*eslint-env es6*/
+let foo = () => 0;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+let foo = () => {
+    return 0;
+};
+let foo = (retv, name) => {
+    retv[name] = true;
+    return retv;
+};
+```
+
+### as-needed
+
+Examples of **incorrect** code for this rule with the default `"as-needed"` option:
+
+```js
+/*eslint arrow-body-style: ["error", "as-needed"]*/
+/*eslint-env es6*/
+
+let foo = () => {
+    return 0;
+};
+let foo = () => {
+    return {
+       bar: {
+            foo: 1,
+            bar: 2,
+        }
+    };
+};
+```
+
+Examples of **correct** code for this rule with the default `"as-needed"` option:
+
+```js
+/*eslint arrow-body-style: ["error", "as-needed"]*/
+/*eslint-env es6*/
+
+let foo = () => 0;
+let foo = (retv, name) => {
+    retv[name] = true;
+    return retv;
+};
+let foo = () => ({
+    bar: {
+        foo: 1,
+        bar: 2,
+    }
+});
+let foo = () => { bar(); };
+let foo = () => {};
+let foo = () => { /* do nothing */ };
+let foo = () => {
+    // do nothing.
+};
+let foo = () => ({ bar: 0 });
+```
+
+#### requireReturnForObjectLiteral
+
+> This option is only applicable when used in conjunction with the `"as-needed"` option.
+
+Examples of **incorrect** code for this rule with the `{ "requireReturnForObjectLiteral": true }` option:
+
+```js
+/*eslint arrow-body-style: ["error", "as-needed", { "requireReturnForObjectLiteral": true }]*/
+/*eslint-env es6*/
+let foo = () => ({});
+let foo = () => ({ bar: 0 });
+```
+
+Examples of **correct** code for this rule with the `{ "requireReturnForObjectLiteral": true }` option:
+
+```js
+/*eslint arrow-body-style: ["error", "as-needed", { "requireReturnForObjectLiteral": true }]*/
+/*eslint-env es6*/
+
+let foo = () => {};
+let foo = () => { return { bar: 0 }; };
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint arrow-body-style: ["error", "never"]*/
+/*eslint-env es6*/
+
+let foo = () => {
+    return 0;
+};
+let foo = (retv, name) => {
+    retv[name] = true;
+    return retv;
+};
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint arrow-body-style: ["error", "never"]*/
+/*eslint-env es6*/
+
+let foo = () => 0;
+let foo = () => ({ foo: 0 });
+```
diff --git a/eslint/docs/rules/arrow-parens.md b/eslint/docs/rules/arrow-parens.md
new file mode 100644
index 0000000..fbcdbae
--- /dev/null
+++ b/eslint/docs/rules/arrow-parens.md
@@ -0,0 +1,223 @@
+# Require parens in arrow function arguments (arrow-parens)
+
+Arrow functions can omit parentheses when they have exactly one parameter. In all other cases the parameter(s) must
+be wrapped in parentheses. This rule enforces the consistent use of parentheses in arrow functions.
+
+## Rule Details
+
+This rule enforces parentheses around arrow function parameters regardless of arity. For example:
+
+```js
+/*eslint-env es6*/
+
+// Bad
+a => {}
+
+// Good
+(a) => {}
+```
+
+Following this style will help you find arrow functions (`=>`) which may be mistakenly included in a condition
+when a comparison such as `>=` was the intent.
+
+
+```js
+/*eslint-env es6*/
+
+// Bad
+if (a => 2) {
+}
+
+// Good
+if (a >= 2) {
+}
+```
+
+The rule can also be configured to discourage the use of parens when they are not required:
+
+```js
+/*eslint-env es6*/
+
+// Bad
+(a) => {}
+
+// Good
+a => {}
+```
+
+## Options
+
+This rule has a string option and an object one.
+
+String options are:
+
+* `"always"` (default) requires parens around arguments in all cases.
+* `"as-needed"` enforces no braces where they can be omitted.
+
+Object properties for variants of the `"as-needed"` option:
+
+* `"requireForBlockBody": true` modifies the as-needed rule in order to require parens if the function body is in an instructions block (surrounded by braces).
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint arrow-parens: ["error", "always"]*/
+/*eslint-env es6*/
+
+a => {};
+a => a;
+a => {'\n'};
+a.then(foo => {});
+a.then(foo => a);
+a(foo => { if (true) {} });
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint arrow-parens: ["error", "always"]*/
+/*eslint-env es6*/
+
+() => {};
+(a) => {};
+(a) => a;
+(a) => {'\n'}
+a.then((foo) => {});
+a.then((foo) => { if (true) {} });
+```
+
+#### If Statements
+
+One of the benefits of this option is that it prevents the incorrect use of arrow functions in conditionals:
+
+```js
+/*eslint-env es6*/
+
+var a = 1;
+var b = 2;
+// ...
+if (a => b) {
+ console.log('bigger');
+} else {
+ console.log('smaller');
+}
+// outputs 'bigger', not smaller as expected
+```
+
+The contents of the `if` statement is an arrow function, not a comparison.
+
+If the arrow function is intentional, it should be wrapped in parens to remove ambiguity.
+
+```js
+/*eslint-env es6*/
+
+var a = 1;
+var b = 0;
+// ...
+if ((a) => b) {
+ console.log('truthy value returned');
+} else {
+ console.log('falsey value returned');
+}
+// outputs 'truthy value returned'
+```
+
+The following is another example of this behavior:
+
+```js
+/*eslint-env es6*/
+
+var a = 1, b = 2, c = 3, d = 4;
+var f = a => b ? c: d;
+// f = ?
+```
+
+`f` is an arrow function which takes `a` as an argument and returns the result of `b ? c: d`.
+
+This should be rewritten like so:
+
+```js
+/*eslint-env es6*/
+
+var a = 1, b = 2, c = 3, d = 4;
+var f = (a) => b ? c: d;
+```
+
+### as-needed
+
+Examples of **incorrect** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint arrow-parens: ["error", "as-needed"]*/
+/*eslint-env es6*/
+
+(a) => {};
+(a) => a;
+(a) => {'\n'};
+a.then((foo) => {});
+a.then((foo) => a);
+a((foo) => { if (true) {} });
+```
+
+Examples of **correct** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint arrow-parens: ["error", "as-needed"]*/
+/*eslint-env es6*/
+
+() => {};
+a => {};
+a => a;
+a => {'\n'};
+a.then(foo => {});
+a.then(foo => { if (true) {} });
+(a, b, c) => a;
+(a = 10) => a;
+([a, b]) => a;
+({a, b}) => a;
+```
+
+### requireForBlockBody
+
+Examples of **incorrect** code for the `{ "requireForBlockBody": true }` option:
+
+```js
+/*eslint arrow-parens: [2, "as-needed", { "requireForBlockBody": true }]*/
+/*eslint-env es6*/
+
+(a) => a;
+a => {};
+a => {'\n'};
+a.map((x) => x * x);
+a.map(x => {
+  return x * x;
+});
+a.then(foo => {});
+```
+
+Examples of **correct** code for the `{ "requireForBlockBody": true }` option:
+
+```js
+/*eslint arrow-parens: [2, "as-needed", { "requireForBlockBody": true }]*/
+/*eslint-env es6*/
+
+(a) => {};
+(a) => {'\n'};
+a => ({});
+() => {};
+a => a;
+a.then((foo) => {});
+a.then((foo) => { if (true) {} });
+a((foo) => { if (true) {} });
+(a, b, c) => a;
+(a = 10) => a;
+([a, b]) => a;
+({a, b}) => a;
+```
+
+## Further Reading
+
+* The `"as-needed", { "requireForBlockBody": true }` rule is directly inspired by the Airbnb
+ [JS Style Guide](https://github.com/airbnb/javascript#arrows--one-arg-parens).
diff --git a/eslint/docs/rules/arrow-spacing.md b/eslint/docs/rules/arrow-spacing.md
new file mode 100644
index 0000000..d0cea1b
--- /dev/null
+++ b/eslint/docs/rules/arrow-spacing.md
@@ -0,0 +1,93 @@
+# Require space before/after arrow function's arrow (arrow-spacing)
+
+This rule normalize style of spacing before/after an arrow function's arrow(`=>`).
+
+```js
+/*eslint-env es6*/
+
+// { "before": true, "after": true }
+(a) => {}
+
+// { "before": false, "after": false }
+(a)=>{}
+```
+
+## Rule Details
+
+This rule takes an object argument with `before` and `after` properties, each with a Boolean value.
+
+The default configuration is `{ "before": true, "after": true }`.
+
+`true` means there should be **one or more spaces** and `false` means **no spaces**.
+
+Examples of **incorrect** code for this rule with the default `{ "before": true, "after": true }` option:
+
+```js
+/*eslint arrow-spacing: "error"*/
+/*eslint-env es6*/
+
+()=> {};
+() =>{};
+(a)=> {};
+(a) =>{};
+a =>a;
+a=> a;
+()=> {'\n'};
+() =>{'\n'};
+```
+
+Examples of **correct** code for this rule with the default `{ "before": true, "after": true }` option:
+
+```js
+/*eslint arrow-spacing: "error"*/
+/*eslint-env es6*/
+
+() => {};
+(a) => {};
+a => a;
+() => {'\n'};
+```
+
+Examples of **incorrect** code for this rule with the `{ "before": false, "after": false }` option:
+
+```js
+/*eslint arrow-spacing: ["error", { "before": false, "after": false }]*/
+/*eslint-env es6*/
+
+() =>{};
+(a) => {};
+()=> {'\n'};
+```
+
+Examples of **correct** code for this rule with the `{ "before": false, "after": false }` option:
+
+```js
+/*eslint arrow-spacing: ["error", { "before": false, "after": false }]*/
+/*eslint-env es6*/
+
+()=>{};
+(a)=>{};
+()=>{'\n'};
+```
+
+Examples of **incorrect** code for this rule with the `{ "before": false, "after": true }` option:
+
+```js
+/*eslint arrow-spacing: ["error", { "before": false, "after": true }]*/
+/*eslint-env es6*/
+
+() =>{};
+(a) => {};
+()=>{'\n'};
+```
+
+Examples of **correct** code for this rule with the `{ "before": false, "after": true }` option:
+
+```js
+/*eslint arrow-spacing: ["error", { "before": false, "after": true }]*/
+/*eslint-env es6*/
+
+()=> {};
+(a)=> {};
+()=> {'\n'};
+```
diff --git a/eslint/docs/rules/block-scoped-var.md b/eslint/docs/rules/block-scoped-var.md
new file mode 100644
index 0000000..97be55b
--- /dev/null
+++ b/eslint/docs/rules/block-scoped-var.md
@@ -0,0 +1,79 @@
+# Treat var as Block Scoped (block-scoped-var)
+
+The `block-scoped-var` rule generates warnings when variables are used outside of the block in which they were defined. This emulates C-style block scope.
+
+## Rule Details
+
+This rule aims to reduce the usage of variables outside of their binding context and emulate traditional block scope from other languages. This is to help newcomers to the language avoid difficult bugs with variable hoisting.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint block-scoped-var: "error"*/
+
+function doIf() {
+    if (true) {
+        var build = true;
+    }
+
+    console.log(build);
+}
+
+function doIfElse() {
+    if (true) {
+        var build = true;
+    } else {
+        var build = false;
+    }
+}
+
+function doTryCatch() {
+    try {
+        var build = 1;
+    } catch (e) {
+        var f = build;
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint block-scoped-var: "error"*/
+
+function doIf() {
+    var build;
+
+    if (true) {
+        build = true;
+    }
+
+    console.log(build);
+}
+
+function doIfElse() {
+    var build;
+
+    if (true) {
+        build = true;
+    } else {
+        build = false;
+    }
+}
+
+function doTryCatch() {
+    var build;
+    var f;
+
+    try {
+        build = 1;
+    } catch (e) {
+        f = build;
+    }
+}
+```
+
+## Further Reading
+
+* [JavaScript Scoping and Hoisting](http://www.adequatelygood.com/JavaScript-Scoping-and-Hoisting.html)
+* [var Hoisting](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/var#var_hoisting)
diff --git a/eslint/docs/rules/block-spacing.md b/eslint/docs/rules/block-spacing.md
new file mode 100644
index 0000000..aef7c33
--- /dev/null
+++ b/eslint/docs/rules/block-spacing.md
@@ -0,0 +1,59 @@
+# Disallow or enforce spaces inside of blocks after opening block and before closing block (block-spacing)
+
+## Rule Details
+
+This rule enforces consistent spacing inside an open block token and the next token on the same line. This rule also enforces consistent spacing inside a close block token and previous token on the same line.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) requires one or more spaces
+* `"never"` disallows spaces
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint block-spacing: "error"*/
+
+function foo() {return true;}
+if (foo) { bar = 0;}
+function baz() {let i = 0;
+    return i;
+}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint block-spacing: "error"*/
+
+function foo() { return true; }
+if (foo) { bar = 0; }
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint block-spacing: ["error", "never"]*/
+
+function foo() { return true; }
+if (foo) { bar = 0;}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint block-spacing: ["error", "never"]*/
+
+function foo() {return true;}
+if (foo) {bar = 0;}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about spacing style inside of blocks, you can safely disable this rule.
diff --git a/eslint/docs/rules/brace-style.md b/eslint/docs/rules/brace-style.md
new file mode 100644
index 0000000..1a5bf00
--- /dev/null
+++ b/eslint/docs/rules/brace-style.md
@@ -0,0 +1,325 @@
+# Require Brace Style (brace-style)
+
+Brace style is closely related to [indent style](https://en.wikipedia.org/wiki/Indent_style) in programming and describes the placement of braces relative to their control statement and body. There are probably a dozen, if not more, brace styles in the world.
+
+The *one true brace style* is one of the most common brace styles in JavaScript, in which the opening brace of a block is placed on the same line as its corresponding statement or declaration. For example:
+
+```js
+if (foo) {
+  bar();
+} else {
+  baz();
+}
+```
+
+One common variant of one true brace style is called Stroustrup, in which the `else` statements in an `if-else` construct, as well as `catch` and `finally`, must be on its own line after the preceding closing brace. For example:
+
+```js
+if (foo) {
+  bar();
+}
+else {
+  baz();
+}
+```
+
+Another style is called [Allman](https://en.wikipedia.org/wiki/Indent_style#Allman_style), in which all the braces are expected to be on their own lines without any extra indentation. For example:
+
+```js
+if (foo)
+{
+  bar();
+}
+else
+{
+  baz();
+}
+```
+
+While no style is considered better than the other, most developers agree that having a consistent style throughout a project is important for its long-term maintainability.
+
+## Rule Details
+
+This rule enforces consistent brace style for blocks.
+
+## Options
+
+This rule has a string option:
+
+* `"1tbs"` (default) enforces one true brace style
+* `"stroustrup"` enforces Stroustrup style
+* `"allman"` enforces Allman style
+
+This rule has an object option for an exception:
+
+* `"allowSingleLine": true` (default `false`) allows the opening and closing braces for a block to be on the *same* line
+
+### 1tbs
+
+Examples of **incorrect** code for this rule with the default `"1tbs"` option:
+
+```js
+/*eslint brace-style: "error"*/
+
+function foo()
+{
+  return true;
+}
+
+if (foo)
+{
+  bar();
+}
+
+try
+{
+  somethingRisky();
+} catch(e)
+{
+  handleError();
+}
+
+if (foo) {
+  bar();
+}
+else {
+  baz();
+}
+```
+
+Examples of **correct** code for this rule with the default `"1tbs"` option:
+
+```js
+/*eslint brace-style: "error"*/
+
+function foo() {
+  return true;
+}
+
+if (foo) {
+  bar();
+}
+
+if (foo) {
+  bar();
+} else {
+  baz();
+}
+
+try {
+  somethingRisky();
+} catch(e) {
+  handleError();
+}
+
+// when there are no braces, there are no problems
+if (foo) bar();
+else if (baz) boom();
+```
+
+Examples of **correct** code for this rule with the `"1tbs", { "allowSingleLine": true }` options:
+
+```js
+/*eslint brace-style: ["error", "1tbs", { "allowSingleLine": true }]*/
+
+function nop() { return; }
+
+if (foo) { bar(); }
+
+if (foo) { bar(); } else { baz(); }
+
+try { somethingRisky(); } catch(e) { handleError(); }
+
+if (foo) { baz(); } else {
+  boom();
+}
+
+if (foo) { baz(); } else if (bar) {
+  boom();
+}
+
+if (foo) { baz(); } else
+if (bar) {
+  boom();
+}
+
+if (foo) { baz(); } else if (bar) {
+  boom();
+}
+
+try { somethingRisky(); } catch(e) {
+  handleError();
+}
+```
+
+### stroustrup
+
+Examples of **incorrect** code for this rule with the `"stroustrup"` option:
+
+```js
+/*eslint brace-style: ["error", "stroustrup"]*/
+
+function foo()
+{
+  return true;
+}
+
+if (foo)
+{
+  bar();
+}
+
+try
+{
+  somethingRisky();
+} catch(e)
+{
+  handleError();
+}
+
+if (foo) {
+  bar();
+} else {
+  baz();
+}
+```
+
+Examples of **correct** code for this rule with the `"stroustrup"` option:
+
+```js
+/*eslint brace-style: ["error", "stroustrup"]*/
+
+function foo() {
+  return true;
+}
+
+if (foo) {
+  bar();
+}
+
+if (foo) {
+  bar();
+}
+else {
+  baz();
+}
+
+try {
+  somethingRisky();
+}
+catch(e) {
+  handleError();
+}
+
+// when there are no braces, there are no problems
+if (foo) bar();
+else if (baz) boom();
+```
+
+Examples of **correct** code for this rule with the `"stroustrup", { "allowSingleLine": true }` options:
+
+```js
+/*eslint brace-style: ["error", "stroustrup", { "allowSingleLine": true }]*/
+
+function nop() { return; }
+
+if (foo) { bar(); }
+
+if (foo) { bar(); }
+else { baz(); }
+
+try { somethingRisky(); }
+catch(e) { handleError(); }
+```
+
+### allman
+
+Examples of **incorrect** code for this rule with the `"allman"` option:
+
+```js
+/*eslint brace-style: ["error", "allman"]*/
+
+function foo() {
+  return true;
+}
+
+if (foo)
+{
+  bar(); }
+
+try
+{
+  somethingRisky();
+} catch(e)
+{
+  handleError();
+}
+
+if (foo) {
+  bar();
+} else {
+  baz();
+}
+```
+
+Examples of **correct** code for this rule with the `"allman"` option:
+
+```js
+/*eslint brace-style: ["error", "allman"]*/
+
+function foo()
+{
+  return true;
+}
+
+if (foo)
+{
+  bar();
+}
+
+if (foo)
+{
+  bar();
+}
+else
+{
+  baz();
+}
+
+try
+{
+  somethingRisky();
+}
+catch(e)
+{
+  handleError();
+}
+
+// when there are no braces, there are no problems
+if (foo) bar();
+else if (baz) boom();
+```
+
+Examples of **correct** code for this rule with the `"allman", { "allowSingleLine": true }` options:
+
+```js
+/*eslint brace-style: ["error", "allman", { "allowSingleLine": true }]*/
+
+function nop() { return; }
+
+if (foo) { bar(); }
+
+if (foo) { bar(); }
+else { baz(); }
+
+try { somethingRisky(); }
+catch(e) { handleError(); }
+```
+
+## When Not To Use It
+
+If you don't want to enforce a particular brace style, don't enable this rule.
+
+## Further Reading
+
+* [Indent style](https://en.wikipedia.org/wiki/Indent_style)
diff --git a/eslint/docs/rules/callback-return.md b/eslint/docs/rules/callback-return.md
new file mode 100644
index 0000000..ba27e23
--- /dev/null
+++ b/eslint/docs/rules/callback-return.md
@@ -0,0 +1,174 @@
+# Enforce Return After Callback (callback-return)
+
+The callback pattern is at the heart of most I/O and event-driven programming
+ in JavaScript.
+
+```js
+function doSomething(err, callback) {
+    if (err) {
+        return callback(err);
+    }
+    callback();
+}
+```
+
+To prevent calling the callback multiple times it is important to `return` anytime the callback is triggered outside
+ of the main function body. Neglecting this technique often leads to issues where you do something more than once.
+ For example, in the case of an HTTP request, you may try to send HTTP headers more than once leading Node.js to `throw`
+ a `Can't render headers after they are sent to the client.` error.
+
+## Rule Details
+
+This rule is aimed at ensuring that callbacks used outside of the main function block are always part-of or immediately
+preceding a `return` statement. This rule decides what is a callback based on the name of the function being called.
+
+## Options
+
+The rule takes a single option - an array of possible callback names - which may include object methods. The default callback names are `callback`, `cb`, `next`.
+
+### Default callback names
+
+Examples of **incorrect** code for this rule with the default `["callback", "cb", "next"]` option:
+
+```js
+/*eslint callback-return: "error"*/
+
+function foo(err, callback) {
+    if (err) {
+        callback(err);
+    }
+    callback();
+}
+```
+
+Examples of **correct** code for this rule with the default `["callback", "cb", "next"]` option:
+
+```js
+/*eslint callback-return: "error"*/
+
+function foo(err, callback) {
+    if (err) {
+        return callback(err);
+    }
+    callback();
+}
+```
+
+### Supplied callback names
+
+Examples of **incorrect** code for this rule with the option `["done", "send.error", "send.success"]`:
+
+```js
+/*eslint callback-return: ["error", ["done", "send.error", "send.success"]]*/
+
+function foo(err, done) {
+    if (err) {
+        done(err);
+    }
+    done();
+}
+
+function bar(err, send) {
+    if (err) {
+        send.error(err);
+    }
+    send.success();
+}
+```
+
+Examples of **correct** code for this rule with the option `["done", "send.error", "send.success"]`:
+
+```js
+/*eslint callback-return: ["error", ["done", "send.error", "send.success"]]*/
+
+function foo(err, done) {
+    if (err) {
+        return done(err);
+    }
+    done();
+}
+
+function bar(err, send) {
+    if (err) {
+        return send.error(err);
+    }
+    send.success();
+}
+```
+
+## Known Limitations
+
+Because it is difficult to understand the meaning of a program through static analysis, this rule has limitations:
+
+* *false negatives* when this rule reports correct code, but the program calls the callback more than one time (which is incorrect behavior)
+* *false positives* when this rule reports incorrect code, but the program calls the callback only one time (which is correct behavior)
+
+### Passing the callback by reference
+
+The static analysis of this rule does not detect that the program calls the callback if it is an argument of a function (for example,  `setTimeout`).
+
+Example of a *false negative* when this rule reports correct code:
+
+```js
+/*eslint callback-return: "error"*/
+
+function foo(err, callback) {
+    if (err) {
+        setTimeout(callback, 0); // this is bad, but WILL NOT warn
+    }
+    callback();
+}
+```
+
+### Triggering the callback within a nested function
+
+The static analysis of this rule does not detect that the program calls the callback from within a nested function or an immediately-invoked function expression (IIFE).
+
+Example of a *false negative* when this rule reports correct code:
+
+```js
+/*eslint callback-return: "error"*/
+
+function foo(err, callback) {
+    if (err) {
+        process.nextTick(function() {
+            return callback(); // this is bad, but WILL NOT warn
+        });
+    }
+    callback();
+}
+```
+
+### If/else statements
+
+The static analysis of this rule does not detect that the program calls the callback only one time in each branch of an `if` statement.
+
+Example of a *false positive* when this rule reports incorrect code:
+
+```js
+/*eslint callback-return: "error"*/
+
+function foo(err, callback) {
+    if (err) {
+        callback(err); // this is fine, but WILL warn
+    } else {
+        callback();    // this is fine, but WILL warn
+    }
+}
+```
+
+## When Not To Use It
+
+There are some cases where you might want to call a callback function more than once. In those cases this rule
+ may lead to incorrect behavior. In those cases you may want to reserve a special name for those callbacks and
+ not include that in the list of callbacks that trigger warnings.
+
+
+## Further Reading
+
+* [The Art Of Node: Callbacks](https://github.com/maxogden/art-of-node#callbacks)
+* [Nodejitsu: What are the error conventions?](https://docs.nodejitsu.com/articles/errors/what-are-the-error-conventions/)
+
+## Related Rules
+
+* [handle-callback-err](handle-callback-err.md)
diff --git a/eslint/docs/rules/camelcase.md b/eslint/docs/rules/camelcase.md
new file mode 100644
index 0000000..96135f8
--- /dev/null
+++ b/eslint/docs/rules/camelcase.md
@@ -0,0 +1,246 @@
+# Require CamelCase (camelcase)
+
+When it comes to naming variables, style guides generally fall into one of two camps: camelcase (`variableName`) and underscores (`variable_name`). This rule focuses on using the camelcase approach. If your style guide calls for camelCasing your variable names, then this rule is for you!
+
+## Rule Details
+
+This rule looks for any underscores (`_`) located within the source code. It ignores leading and trailing underscores and only checks those in the middle of a variable name. If ESLint decides that the variable is a constant (all uppercase), then no warning will be thrown. Otherwise, a warning will be thrown. This rule only flags definitions and assignments but not function calls. In case of ES6 `import` statements, this rule only targets the name of the variable that will be imported into the local module scope.
+
+## Options
+
+This rule has an object option:
+
+* `"properties": "always"` (default) enforces camelcase style for property names
+* `"properties": "never"` does not check property names
+* `"ignoreDestructuring": false` (default) enforces camelcase style for destructured identifiers
+* `"ignoreDestructuring": true` does not check destructured identifiers (but still checks any use of those identifiers later in the code)
+* `"ignoreImports": false` (default) enforces camelcase style for ES2015 imports
+* `"ignoreImports": true` does not check ES2015 imports (but still checks any use of the imports later in the code except function arguments)
+* `allow` (`string[]`) list of properties to accept. Accept regex.
+
+### properties: "always"
+
+Examples of **incorrect** code for this rule with the default `{ "properties": "always" }` option:
+
+```js
+/*eslint camelcase: "error"*/
+
+import { no_camelcased } from "external-module"
+
+var my_favorite_color = "#112C85";
+
+function do_something() {
+    // ...
+}
+
+obj.do_something = function() {
+    // ...
+};
+
+function foo({ no_camelcased }) {
+    // ...
+};
+
+function foo({ isCamelcased: no_camelcased }) {
+    // ...
+}
+
+function foo({ no_camelcased = 'default value' }) {
+    // ...
+};
+
+var obj = {
+    my_pref: 1
+};
+
+var { category_id = 1 } = query;
+
+var { foo: no_camelcased } = bar;
+
+var { foo: bar_baz = 1 } = quz;
+```
+
+Examples of **correct** code for this rule with the default `{ "properties": "always" }` option:
+
+```js
+/*eslint camelcase: "error"*/
+
+import { no_camelcased as camelCased } from "external-module";
+
+var myFavoriteColor   = "#112C85";
+var _myFavoriteColor  = "#112C85";
+var myFavoriteColor_  = "#112C85";
+var MY_FAVORITE_COLOR = "#112C85";
+var foo = bar.baz_boom;
+var foo = { qux: bar.baz_boom };
+
+obj.do_something();
+do_something();
+new do_something();
+
+var { category_id: category } = query;
+
+function foo({ isCamelCased }) {
+    // ...
+};
+
+function foo({ isCamelCased: isAlsoCamelCased }) {
+    // ...
+}
+
+function foo({ isCamelCased = 'default value' }) {
+    // ...
+};
+
+var { categoryId = 1 } = query;
+
+var { foo: isCamelCased } = bar;
+
+var { foo: isCamelCased = 1 } = quz;
+
+```
+
+### properties: "never"
+
+Examples of **correct** code for this rule with the `{ "properties": "never" }` option:
+
+```js
+/*eslint camelcase: ["error", {properties: "never"}]*/
+
+var obj = {
+    my_pref: 1
+};
+```
+
+### ignoreDestructuring: false
+
+Examples of **incorrect** code for this rule with the default `{ "ignoreDestructuring": false }` option:
+
+```js
+/*eslint camelcase: "error"*/
+
+var { category_id } = query;
+
+var { category_id = 1 } = query;
+
+var { category_id: category_id } = query;
+
+var { category_id: category_alias } = query;
+
+var { category_id: categoryId, ...other_props } = query;
+```
+
+### ignoreDestructuring: true
+
+Examples of **incorrect** code for this rule with the `{ "ignoreDestructuring": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreDestructuring: true}]*/
+
+var { category_id: category_alias } = query;
+
+var { category_id, ...other_props } = query;
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreDestructuring": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreDestructuring: true}]*/
+
+var { category_id } = query;
+
+var { category_id = 1 } = query;
+
+var { category_id: category_id } = query;
+```
+
+Please note that this option applies only to identifiers inside destructuring patterns. It doesn't additionally allow any particular use of the created variables later in the code apart from the use that is already allowed by default or by other options.
+
+Examples of additional **incorrect** code for this rule with the `{ "ignoreDestructuring": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreDestructuring: true}]*/
+
+var { some_property } = obj; // allowed by {ignoreDestructuring: true}
+var foo = some_property + 1; // error, ignoreDestructuring does not apply to this statement
+```
+
+A common use case for this option is to avoid useless renaming when the identifier is not intended to be used later in the code.
+
+Examples of additional **correct** code for this rule with the `{ "ignoreDestructuring": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreDestructuring: true}]*/
+
+var { some_property, ...rest } = obj;
+// do something with 'rest', nothing with 'some_property'
+```
+
+Another common use case for this option is in combination with `{ "properties": "never" }`, when the identifier is intended to be used only as a property shorthand.
+
+Examples of additional **correct** code for this rule with the `{ "properties": "never", "ignoreDestructuring": true }` options:
+
+```js
+/*eslint camelcase: ["error", {"properties": "never", ignoreDestructuring: true}]*/
+
+var { some_property } = obj;
+doSomething({ some_property });
+```
+
+### ignoreImports: false
+
+Examples of **incorrect** code for this rule with the default `{ "ignoreImports": false }` option:
+
+```js
+/*eslint camelcase: "error"*/
+
+import { snake_cased } from 'mod';
+```
+
+### ignoreImports: true
+
+Examples of **incorrect** code for this rule with the `{ "ignoreImports": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreImports: true}]*/
+
+import default_import from 'mod';
+
+import * as namespaced_import from 'mod';
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreImports": true }` option:
+
+```js
+/*eslint camelcase: ["error", {ignoreImports: true}]*/
+
+import { snake_cased } from 'mod';
+```
+
+## allow
+
+Examples of **correct** code for this rule with the `allow` option:
+
+```js
+/*eslint camelcase: ["error", {allow: ["UNSAFE_componentWillMount"]}]*/
+
+function UNSAFE_componentWillMount() {
+    // ...
+}
+```
+
+```js
+/*eslint camelcase: ["error", {allow: ["^UNSAFE_"]}]*/
+
+function UNSAFE_componentWillMount() {
+    // ...
+}
+
+function UNSAFE_componentWillMount() {
+    // ...
+}
+```
+
+## When Not To Use It
+
+If you have established coding standards using a different naming convention (separating words with underscores), turn this rule off.
diff --git a/eslint/docs/rules/capitalized-comments.md b/eslint/docs/rules/capitalized-comments.md
new file mode 100644
index 0000000..ec3253b
--- /dev/null
+++ b/eslint/docs/rules/capitalized-comments.md
@@ -0,0 +1,249 @@
+# enforce or disallow capitalization of the first letter of a comment (capitalized-comments)
+
+Comments are useful for leaving information for future developers. In order for that information to be useful and not distracting, it is sometimes desirable for comments to follow a particular style. One element of comment formatting styles is whether the first word of a comment should be capitalized or lowercase.
+
+In general, no comment style is any more or less valid than any others, but many developers would agree that a consistent style can improve a project's maintainability.
+
+## Rule Details
+
+This rule aims to enforce a consistent style of comments across your codebase, specifically by either requiring or disallowing a capitalized letter as the first word character in a comment. This rule will not issue warnings when non-cased letters are used.
+
+By default, this rule will require a non-lowercase letter at the beginning of comments.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint capitalized-comments: ["error"] */
+
+// lowercase comment
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+
+// Capitalized comment
+
+// 1. Non-letter at beginning of comment
+
+// 丈 Non-Latin character at beginning of comment
+
+/* eslint semi:off */
+/* eslint-env node */
+/* eslint-disable */
+/* eslint-enable */
+/* istanbul ignore next */
+/* jscs:enable */
+/* jshint asi:true */
+/* global foo */
+/* globals foo */
+/* exported myVar */
+// eslint-disable-line
+// eslint-disable-next-line
+// https://github.com
+
+```
+
+### Options
+
+This rule has two options: a string value `"always"` or `"never"` which determines whether capitalization of the first word of a comment should be required or forbidden, and optionally an object containing more configuration parameters for the rule.
+
+Here are the supported object options:
+
+* `ignorePattern`: A string representing a regular expression pattern of words that should be ignored by this rule. If the first word of a comment matches the pattern, this rule will not report that comment.
+    * Note that the following words are always ignored by this rule: `["jscs", "jshint", "eslint", "istanbul", "global", "globals", "exported"]`.
+* `ignoreInlineComments`: If this is `true`, the rule will not report on comments in the middle of code. By default, this is `false`.
+* `ignoreConsecutiveComments`: If this is `true`, the rule will not report on a comment which violates the rule, as long as the comment immediately follows another comment. By default, this is `false`.
+
+Here is an example configuration:
+
+```json
+{
+    "capitalized-comments": [
+        "error",
+        "always",
+        {
+            "ignorePattern": "pragma|ignored",
+            "ignoreInlineComments": true
+        }
+    ]
+}
+```
+
+#### `"always"`
+
+Using the `"always"` option means that this rule will report any comments which start with a lowercase letter. This is the default configuration for this rule.
+
+Note that configuration comments and comments which start with URLs are never reported.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint capitalized-comments: ["error", "always"] */
+
+// lowercase comment
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint capitalized-comments: ["error", "always"] */
+
+// Capitalized comment
+
+// 1. Non-letter at beginning of comment
+
+// 丈 Non-Latin character at beginning of comment
+
+/* eslint semi:off */
+/* eslint-env node */
+/* eslint-disable */
+/* eslint-enable */
+/* istanbul ignore next */
+/* jscs:enable */
+/* jshint asi:true */
+/* global foo */
+/* globals foo */
+/* exported myVar */
+// eslint-disable-line
+// eslint-disable-next-line
+// https://github.com
+
+```
+
+#### `"never"`
+
+Using the `"never"` option means that this rule will report any comments which start with an uppercase letter.
+
+Examples of **incorrect** code with the `"never"` option:
+
+```js
+/* eslint capitalized-comments: ["error", "never"] */
+
+// Capitalized comment
+
+```
+
+Examples of **correct** code with the `"never"` option:
+
+```js
+/* eslint capitalized-comments: ["error", "never"] */
+
+// lowercase comment
+
+// 1. Non-letter at beginning of comment
+
+// 丈 Non-Latin character at beginning of comment
+
+```
+
+#### `ignorePattern`
+
+The `ignorePattern` object takes a string value, which is used as a regular expression applied to the first word of a comment.
+
+Examples of **correct** code with the `"ignorePattern"` option set to `"pragma"`:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "ignorePattern": "pragma" }] */
+
+function foo() {
+    /* pragma wrap(true) */
+}
+
+```
+
+#### `ignoreInlineComments`
+
+Setting the `ignoreInlineComments` option to `true` means that comments in the middle of code (with a token on the same line as the beginning of the comment, and another token on the same line as the end of the comment) will not be reported by this rule.
+
+Examples of **correct** code with the `"ignoreInlineComments"` option set to `true`:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "ignoreInlineComments": true }] */
+
+function foo(/* ignored */ a) {
+}
+
+```
+
+#### `ignoreConsecutiveComments`
+
+If the `ignoreConsecutiveComments` option is set to `true`, then comments which otherwise violate the rule will not be reported as long as they immediately follow another comment. This can be applied more than once.
+
+Examples of **correct** code with `ignoreConsecutiveComments` set to `true`:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "ignoreConsecutiveComments": true }] */
+
+// This comment is valid since it has the correct capitalization.
+// this comment is ignored since it follows another comment,
+// and this one as well because it follows yet another comment.
+
+/* Here is a block comment which has the correct capitalization, */
+/* but this one is ignored due to being consecutive; */
+/*
+ * in fact, even if any of these are multi-line, that is fine too.
+ */
+```
+
+Examples of **incorrect** code with `ignoreConsecutiveComments` set to `true`:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "ignoreConsecutiveComments": true }] */
+
+// this comment is invalid, but only on this line.
+// this comment does NOT get reported, since it is a consecutive comment.
+```
+
+### Using Different Options for Line and Block Comments
+
+If you wish to have a different configuration for line comments and block comments, you can do so by using two different object configurations (note that the capitalization option will be enforced consistently for line and block comments):
+
+```json
+{
+    "capitalized-comments": [
+        "error",
+        "always",
+        {
+            "line": {
+                "ignorePattern": "pragma|ignored",
+            },
+            "block": {
+                "ignoreInlineComments": true,
+                "ignorePattern": "ignored"
+            }
+        }
+    ]
+}
+```
+
+Examples of **incorrect** code with different line and block comment configuration:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "block": { "ignorePattern": "blockignore" } }] */
+
+// capitalized line comment, this is incorrect, blockignore does not help here
+/* lowercased block comment, this is incorrect too */
+
+```
+
+Examples of **correct** code with different line and block comment configuration:
+
+```js
+/* eslint capitalized-comments: ["error", "always", { "block": { "ignorePattern": "blockignore" } }] */
+
+// Uppercase line comment, this is correct
+/* blockignore lowercase block comment, this is correct due to ignorePattern */
+
+```
+
+## When Not To Use It
+
+This rule can be disabled if you do not care about the grammatical style of comments in your codebase.
+
+## Compatibility
+
+* **JSCS**: [requireCapitalizedComments](https://jscs-dev.github.io/rule/requireCapitalizedComments)
+* **JSCS**: [disallowCapitalizedComments](https://jscs-dev.github.io/rule/disallowCapitalizedComments)
diff --git a/eslint/docs/rules/class-methods-use-this.md b/eslint/docs/rules/class-methods-use-this.md
new file mode 100644
index 0000000..89f6762
--- /dev/null
+++ b/eslint/docs/rules/class-methods-use-this.md
@@ -0,0 +1,124 @@
+# Enforce that class methods utilize `this` (class-methods-use-this)
+
+If a class method does not use `this`, it can *sometimes* be made into a static function. If you do convert the method into a static function, instances of the class that call that particular method have to be converted to a static call as well (`MyClass.callStaticMethod()`)
+
+It's possible to have a class method which doesn't use `this`, such as:
+
+```js
+class A {
+    constructor() {
+        this.a = "hi";
+    }
+
+    print() {
+        console.log(this.a);
+    }
+
+    sayHi() {
+        console.log("hi");
+    }
+}
+
+let a = new A();
+a.sayHi(); // => "hi"
+```
+
+In the example above, the `sayHi` method doesn't use `this`, so we can make it a static method:
+
+```js
+class A {
+    constructor() {
+        this.a = "hi";
+    }
+
+    print() {
+        console.log(this.a);
+    }
+
+    static sayHi() {
+        console.log("hi");
+    }
+}
+
+A.sayHi(); // => "hi"
+```
+
+Also note in the above examples that if you switch a method to a static method, *instances* of the class that call the static method (`let a = new A(); a.sayHi();`) have to be updated to being a static call (`A.sayHi();`) instead of having the instance of the *class* call the method
+
+## Rule Details
+
+This rule is aimed to flag class methods that do not use `this`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint class-methods-use-this: "error"*/
+/*eslint-env es6*/
+
+class A {
+    foo() {
+        console.log("Hello World");     /*error Expected 'this' to be used by class method 'foo'.*/
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint class-methods-use-this: "error"*/
+/*eslint-env es6*/
+class A {
+    foo() {
+        this.bar = "Hello World"; // OK, this is used
+    }
+}
+
+class A {
+    constructor() {
+        // OK. constructor is exempt
+    }
+}
+
+class A {
+    static foo() {
+        // OK. static methods aren't expected to use this.
+    }
+}
+```
+
+## Options
+
+### Exceptions
+
+```
+"class-methods-use-this": [<enabled>, { "exceptMethods": [<...exceptions>] }]
+```
+
+The `exceptMethods` option allows you to pass an array of method names for which you would like to ignore warnings. For example, you might have a spec from an external library that requires you to overwrite a method as a regular function (and not as a static method) and does not use `this` inside the function body. In this case, you can add that method to ignore in the warnings.
+
+Examples of **incorrect** code for this rule when used without exceptMethods:
+
+```js
+/*eslint class-methods-use-this: "error"*/
+
+class A {
+    foo() {
+    }
+}
+```
+
+Examples of **correct** code for this rule when used with exceptMethods:
+
+```js
+/*eslint class-methods-use-this: ["error", { "exceptMethods": ["foo"] }] */
+
+class A {
+    foo() {
+    }
+}
+```
+
+## Further Reading
+
+* [Classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes)
+* [Static Methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/static)
diff --git a/eslint/docs/rules/comma-dangle.md b/eslint/docs/rules/comma-dangle.md
new file mode 100644
index 0000000..ef92342
--- /dev/null
+++ b/eslint/docs/rules/comma-dangle.md
@@ -0,0 +1,315 @@
+# require or disallow trailing commas (comma-dangle)
+
+Trailing commas in object literals are valid according to the ECMAScript 5 (and ECMAScript 3!) spec. However, IE8 (when not in IE8 document mode) and below will throw an error when it encounters trailing commas in JavaScript.
+
+```js
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+```
+
+Trailing commas simplify adding and removing items to objects and arrays, since only the lines you are modifying must be touched.
+Another argument in favor of trailing commas is that it improves the clarity of diffs when an item is added or removed from an object or array:
+
+Less clear:
+
+```diff
+ var foo = {
+-    bar: "baz",
+-    qux: "quux"
++    bar: "baz"
+ };
+```
+
+More clear:
+
+```diff
+ var foo = {
+     bar: "baz",
+-    qux: "quux",
+ };
+```
+
+## Rule Details
+
+This rule enforces consistent use of trailing commas in object and array literals.
+
+## Options
+
+This rule has a string option or an object option:
+
+```json
+{
+    "comma-dangle": ["error", "never"],
+    // or
+    "comma-dangle": ["error", {
+        "arrays": "never",
+        "objects": "never",
+        "imports": "never",
+        "exports": "never",
+        "functions": "never"
+    }]
+}
+```
+
+* `"never"` (default) disallows trailing commas
+* `"always"` requires trailing commas
+* `"always-multiline"` requires trailing commas when the last element or property is in a *different* line than the closing `]` or `}` and disallows trailing commas when the last element or property is on the *same* line as the closing `]` or `}`
+* `"only-multiline"` allows (but does not require) trailing commas when the last element or property is in a *different* line than the closing `]` or `}` and disallows trailing commas when the last element or property is on the *same* line as the closing `]` or `}`
+
+You can also use an object option to configure this rule for each type of syntax.
+Each of the following options can be set to `"never"`, `"always"`, `"always-multiline"`, `"only-multiline"`, or `"ignore"`.
+The default for each option is `"never"` unless otherwise specified.
+
+* `arrays` is for array literals and array patterns of destructuring. (e.g. `let [a,] = [1,];`)
+* `objects` is for object literals and object patterns of destructuring. (e.g. `let {a,} = {a: 1};`)
+* `imports` is for import declarations of ES Modules. (e.g. `import {a,} from "foo";`)
+* `exports` is for export declarations of ES Modules. (e.g. `export {a,};`)
+* `functions` is for function declarations and function calls. (e.g. `(function(a,){ })(b,);`)
+    * `functions` should only be enabled when linting ECMAScript 2017 or higher.
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint comma-dangle: ["error", "never"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+
+var arr = [1,2,];
+
+foo({
+  bar: "baz",
+  qux: "quux",
+});
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint comma-dangle: ["error", "never"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux"
+};
+
+var arr = [1,2];
+
+foo({
+  bar: "baz",
+  qux: "quux"
+});
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint comma-dangle: ["error", "always"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux"
+};
+
+var arr = [1,2];
+
+foo({
+  bar: "baz",
+  qux: "quux"
+});
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint comma-dangle: ["error", "always"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+
+var arr = [1,2,];
+
+foo({
+  bar: "baz",
+  qux: "quux",
+});
+```
+
+### always-multiline
+
+Examples of **incorrect** code for this rule with the `"always-multiline"` option:
+
+```js
+/*eslint comma-dangle: ["error", "always-multiline"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux"
+};
+
+var foo = { bar: "baz", qux: "quux", };
+
+var arr = [1,2,];
+
+var arr = [1,
+    2,];
+
+var arr = [
+    1,
+    2
+];
+
+foo({
+  bar: "baz",
+  qux: "quux"
+});
+```
+
+Examples of **correct** code for this rule with the `"always-multiline"` option:
+
+```js
+/*eslint comma-dangle: ["error", "always-multiline"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+
+var foo = {bar: "baz", qux: "quux"};
+var arr = [1,2];
+
+var arr = [1,
+    2];
+
+var arr = [
+    1,
+    2,
+];
+
+foo({
+  bar: "baz",
+  qux: "quux",
+});
+```
+
+### only-multiline
+
+Examples of **incorrect** code for this rule with the `"only-multiline"` option:
+
+```js
+/*eslint comma-dangle: ["error", "only-multiline"]*/
+
+var foo = { bar: "baz", qux: "quux", };
+
+var arr = [1,2,];
+
+var arr = [1,
+    2,];
+
+```
+
+Examples of **correct** code for this rule with the `"only-multiline"` option:
+
+```js
+/*eslint comma-dangle: ["error", "only-multiline"]*/
+
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+
+var foo = {
+    bar: "baz",
+    qux: "quux"
+};
+
+var foo = {bar: "baz", qux: "quux"};
+var arr = [1,2];
+
+var arr = [1,
+    2];
+
+var arr = [
+    1,
+    2,
+];
+
+var arr = [
+    1,
+    2
+];
+
+foo({
+  bar: "baz",
+  qux: "quux",
+});
+
+foo({
+  bar: "baz",
+  qux: "quux"
+});
+```
+
+### functions
+
+Examples of **incorrect** code for this rule with the `{"functions": "never"}` option:
+
+```js
+/*eslint comma-dangle: ["error", {"functions": "never"}]*/
+
+function foo(a, b,) {
+}
+
+foo(a, b,);
+new foo(a, b,);
+```
+
+Examples of **correct** code for this rule with the `{"functions": "never"}` option:
+
+```js
+/*eslint comma-dangle: ["error", {"functions": "never"}]*/
+
+function foo(a, b) {
+}
+
+foo(a, b);
+new foo(a, b);
+```
+
+Examples of **incorrect** code for this rule with the `{"functions": "always"}` option:
+
+```js
+/*eslint comma-dangle: ["error", {"functions": "always"}]*/
+
+function foo(a, b) {
+}
+
+foo(a, b);
+new foo(a, b);
+```
+
+Examples of **correct** code for this rule with the `{"functions": "always"}` option:
+
+```js
+/*eslint comma-dangle: ["error", {"functions": "always"}]*/
+
+function foo(a, b,) {
+}
+
+foo(a, b,);
+new foo(a, b,);
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with dangling commas.
diff --git a/eslint/docs/rules/comma-spacing.md b/eslint/docs/rules/comma-spacing.md
new file mode 100644
index 0000000..ffa2bfd
--- /dev/null
+++ b/eslint/docs/rules/comma-spacing.md
@@ -0,0 +1,129 @@
+# Enforces spacing around commas (comma-spacing)
+
+Spacing around commas improves readability of a list of items. Although most of the style guidelines for languages prescribe adding a space after a comma and not before it, it is subjective to the preferences of a project.
+
+```js
+var foo = 1, bar = 2;
+var foo = 1 ,bar = 2;
+```
+
+## Rule Details
+
+This rule enforces consistent spacing before and after commas in variable declarations, array literals, object literals, function parameters, and sequences.
+
+This rule does not apply in an `ArrayExpression` or `ArrayPattern` in either of the following cases:
+
+* adjacent null elements
+* an initial null element, to avoid conflicts with the [`array-bracket-spacing`](array-bracket-spacing.md) rule
+
+## Options
+
+This rule has an object option:
+
+* `"before": false` (default) disallows spaces before commas
+* `"before": true` requires one or more spaces before commas
+* `"after": true` (default) requires one or more spaces after commas
+* `"after": false` disallows spaces after commas
+
+### after
+
+Examples of **incorrect** code for this rule with the default `{ "before": false, "after": true }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": false, "after": true }]*/
+
+var foo = 1 ,bar = 2;
+var arr = [1 , 2];
+var obj = {"foo": "bar" ,"baz": "qur"};
+foo(a ,b);
+new Foo(a ,b);
+function foo(a ,b){}
+a ,b
+```
+
+Examples of **correct** code for this rule with the default `{ "before": false, "after": true }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": false, "after": true }]*/
+
+var foo = 1, bar = 2
+    , baz = 3;
+var arr = [1, 2];
+var arr = [1,, 3]
+var obj = {"foo": "bar", "baz": "qur"};
+foo(a, b);
+new Foo(a, b);
+function foo(a, b){}
+a, b
+```
+
+Example of **correct** code for this rule with initial null element for the default `{ "before": false, "after": true }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": false, "after": true }]*/
+/*eslint array-bracket-spacing: ["error", "always"]*/
+
+var arr = [ , 2, 3 ]
+```
+
+### before
+
+Examples of **incorrect** code for this rule with the `{ "before": true, "after": false }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": true, "after": false }]*/
+
+var foo = 1, bar = 2;
+var arr = [1 , 2];
+var obj = {"foo": "bar", "baz": "qur"};
+new Foo(a,b);
+function foo(a,b){}
+a, b
+```
+
+Examples of **correct** code for this rule with the `{ "before": true, "after": false }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": true, "after": false }]*/
+
+var foo = 1 ,bar = 2 ,
+    baz = true;
+var arr = [1 ,2];
+var arr = [1 ,,3]
+var obj = {"foo": "bar" ,"baz": "qur"};
+foo(a ,b);
+new Foo(a ,b);
+function foo(a ,b){}
+a ,b
+```
+
+Examples of **correct** code for this rule with initial null element for the `{ "before": true, "after": false }` options:
+
+```js
+/*eslint comma-spacing: ["error", { "before": true, "after": false }]*/
+/*eslint array-bracket-spacing: ["error", "never"]*/
+
+var arr = [,2 ,3]
+```
+
+## When Not To Use It
+
+If your project will not be following a consistent comma-spacing pattern, turn this rule off.
+
+
+## Further Reading
+
+* [Javascript](http://javascript.crockford.com/code.html)
+* [Dojo Style Guide](https://dojotoolkit.org/reference-guide/1.9/developer/styleguide.html)
+
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
+* [comma-style](comma-style.md)
+* [space-in-brackets](space-in-brackets.md) (deprecated)
+* [space-in-parens](space-in-parens.md)
+* [space-infix-ops](space-infix-ops.md)
+* [space-after-keywords](space-after-keywords.md)
+* [space-unary-ops](space-unary-ops.md)
+* [space-return-throw-case](space-return-throw-case.md)
diff --git a/eslint/docs/rules/comma-style.md b/eslint/docs/rules/comma-style.md
new file mode 100644
index 0000000..24b5515
--- /dev/null
+++ b/eslint/docs/rules/comma-style.md
@@ -0,0 +1,171 @@
+# Comma style (comma-style)
+
+The Comma Style rule enforces styles for comma-separated lists. There are two comma styles primarily used in JavaScript:
+
+* The standard style, in which commas are placed at the end of the current line
+* Comma First style, in which commas are placed at the start of the next line
+
+One of the justifications for using Comma First style is that it can help track missing and trailing commas. These are problematic because missing commas in variable declarations can lead to the leakage of global variables and trailing commas can lead to errors in older versions of IE.
+
+## Rule Details
+
+This rule enforce consistent comma style in array literals, object literals, and variable declarations.
+
+This rule does not apply in either of the following cases:
+
+* comma preceded and followed by linebreak (lone comma)
+* single-line array literals, object literals, and variable declarations
+
+## Options
+
+This rule has a string option:
+
+* `"last"` (default) requires a comma after and on the same line as an array element, object property, or variable declaration
+* `"first"` requires a comma before and on the same line as an array element, object property, or variable declaration
+
+This rule also accepts an additional `exceptions` object:
+
+* `"exceptions"` has properties whose names correspond to node types in the abstract syntax tree (AST) of JavaScript code:
+
+    * `"ArrayExpression": true` ignores comma style in array literals
+    * `"ArrayPattern": true` ignores comma style in array patterns of destructuring
+    * `"ArrowFunctionExpression": true` ignores comma style in the parameters of arrow function expressions
+    * `"CallExpression": true` ignores comma style in the arguments of function calls
+    * `"FunctionDeclaration": true` ignores comma style in the parameters of function declarations
+    * `"FunctionExpression": true` ignores comma style in the parameters of function expressions
+    * `"ImportDeclaration": true` ignores comma style in the specifiers of import declarations
+    * `"ObjectExpression": true` ignores comma style in object literals
+    * `"ObjectPattern": true` ignores comma style in object patterns of destructuring
+    * `"VariableDeclaration": true` ignores comma style in variable declarations
+    * `"NewExpression": true` ignores comma style in the parameters of constructor expressions
+
+A way to determine the node types as defined by [ESTree](https://github.com/estree/estree) is to use [AST Explorer](https://astexplorer.net/) with the espree parser.
+
+### last
+
+Examples of **incorrect** code for this rule with the default `"last"` option:
+
+```js
+/*eslint comma-style: ["error", "last"]*/
+
+var foo = 1
+,
+bar = 2;
+
+var foo = 1
+  , bar = 2;
+
+var foo = ["apples"
+           , "oranges"];
+
+function bar() {
+    return {
+        "a": 1
+        ,"b:": 2
+    };
+}
+```
+
+Examples of **correct** code for this rule with the default `"last"` option:
+
+```js
+/*eslint comma-style: ["error", "last"]*/
+
+var foo = 1, bar = 2;
+
+var foo = 1,
+    bar = 2;
+
+var foo = ["apples",
+           "oranges"];
+
+function bar() {
+    return {
+        "a": 1,
+        "b:": 2
+    };
+}
+```
+
+### first
+
+Examples of **incorrect** code for this rule with the `"first"` option:
+
+```js
+/*eslint comma-style: ["error", "first"]*/
+
+var foo = 1,
+    bar = 2;
+
+var foo = ["apples",
+           "oranges"];
+
+function bar() {
+    return {
+        "a": 1,
+        "b:": 2
+    };
+}
+```
+
+Examples of **correct** code for this rule with the `"first"` option:
+
+```js
+/*eslint comma-style: ["error", "first"]*/
+
+var foo = 1, bar = 2;
+
+var foo = 1
+    ,bar = 2;
+
+var foo = ["apples"
+          ,"oranges"];
+
+function bar() {
+    return {
+        "a": 1
+        ,"b:": 2
+    };
+}
+```
+
+### exceptions
+
+An example use case is to enforce comma style *only* in var statements.
+
+Examples of **incorrect** code for this rule with sample `"first", { "exceptions": { … } }` options:
+
+```js
+/*eslint comma-style: ["error", "first", { "exceptions": { "ArrayExpression": true, "ObjectExpression": true } }]*/
+
+var o = {},
+    a = [];
+```
+
+Examples of **correct** code for this rule with sample `"first", { "exceptions": { … } }` options:
+
+```js
+/*eslint comma-style: ["error", "first", { "exceptions": { "ArrayExpression": true, "ObjectExpression": true } }]*/
+
+var o = {fst:1,
+         snd: [1,
+               2]}
+  , a = [];
+```
+
+## When Not To Use It
+
+This rule can safely be turned off if your project does not care about enforcing a consistent comma style.
+
+
+## Further Reading
+
+For more information on the Comma First style:
+
+* [A better coding convention for lists and object literals in JavaScript by isaacs](https://gist.github.com/isaacs/357981)
+* [npm coding style guideline](https://docs.npmjs.com/misc/coding-style)
+
+
+## Related Rules
+
+* [operator-linebreak](operator-linebreak.md)
diff --git a/eslint/docs/rules/complexity.md b/eslint/docs/rules/complexity.md
new file mode 100644
index 0000000..3a66549
--- /dev/null
+++ b/eslint/docs/rules/complexity.md
@@ -0,0 +1,87 @@
+# Limit Cyclomatic Complexity (complexity)
+
+Cyclomatic complexity measures the number of linearly independent paths through a program's source code. This rule allows setting a cyclomatic complexity threshold.
+
+```js
+function a(x) {
+    if (true) {
+        return x; // 1st path
+    } else if (false) {
+        return x+1; // 2nd path
+    } else {
+        return 4; // 3rd path
+    }
+}
+```
+
+## Rule Details
+
+This rule is aimed at reducing code complexity by capping the amount of cyclomatic complexity allowed in a program. As such, it will warn when the cyclomatic complexity crosses the configured threshold (default is `20`).
+
+Examples of **incorrect** code for a maximum of 2:
+
+```js
+/*eslint complexity: ["error", 2]*/
+
+function a(x) {
+    if (true) {
+        return x;
+    } else if (false) {
+        return x+1;
+    } else {
+        return 4; // 3rd path
+    }
+}
+```
+
+Examples of **correct** code for a maximum of 2:
+
+```js
+/*eslint complexity: ["error", 2]*/
+
+function a(x) {
+    if (true) {
+        return x;
+    } else {
+        return 4;
+    }
+}
+```
+
+## Options
+
+Optionally, you may specify a `max` object property:
+
+```json
+"complexity": ["error", 2]
+```
+
+is equivalent to
+
+```json
+"complexity": ["error", { "max": 2 }]
+```
+
+**Deprecated:** the object property `maximum` is deprecated. Please use the property `max` instead.
+
+## When Not To Use It
+
+If you can't determine an appropriate complexity limit for your code, then it's best to disable this rule.
+
+## Further Reading
+
+* [Cyclomatic Complexity](https://en.wikipedia.org/wiki/Cyclomatic_complexity)
+* [Complexity Analysis of JavaScript Code](https://ariya.io/2012/12/complexity-analysis-of-javascript-code)
+* [More about Complexity in JavaScript](https://craftsmanshipforsoftware.com/2015/05/25/complexity-for-javascript/)
+* [About Complexity](https://web.archive.org/web/20160808115119/http://jscomplexity.org/complexity)
+* [Discussion about Complexity in ESLint and more links](https://github.com/eslint/eslint/issues/4808#issuecomment-167795140)
+
+## Related Rules
+
+* [max-depth](max-depth.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/computed-property-spacing.md b/eslint/docs/rules/computed-property-spacing.md
new file mode 100644
index 0000000..3fdd70c
--- /dev/null
+++ b/eslint/docs/rules/computed-property-spacing.md
@@ -0,0 +1,165 @@
+# Disallow or enforce spaces inside of computed properties (computed-property-spacing)
+
+While formatting preferences are very personal, a number of style guides require
+or disallow spaces between computed properties in the following situations:
+
+```js
+/*eslint-env es6*/
+
+var obj = { prop: "value" };
+var a = "prop";
+var x = obj[a]; // computed property in object member expression
+
+var a = "prop";
+var obj = {
+  [a]: "value" // computed property key in object literal (ECMAScript 6)
+};
+```
+
+## Rule Details
+
+This rule enforces consistent spacing inside computed property brackets.
+
+It either requires or disallows spaces between the brackets and the values inside of them.
+This rule does not apply to brackets that are separated from the adjacent value by a newline.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"never"` (default) disallows spaces inside computed property brackets
+* `"always"` requires one or more spaces inside computed property brackets
+
+Object option:
+
+* `"enforceForClassMembers": true` (default) additionally applies this rule to class members.
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint computed-property-spacing: ["error", "never"]*/
+/*eslint-env es6*/
+
+obj[foo ]
+obj[ 'foo']
+var x = {[ b ]: a}
+obj[foo[ bar ]]
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint computed-property-spacing: ["error", "never"]*/
+/*eslint-env es6*/
+
+obj[foo]
+obj['foo']
+var x = {[b]: a}
+obj[foo[bar]]
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint computed-property-spacing: ["error", "always"]*/
+/*eslint-env es6*/
+
+obj[foo]
+var x = {[b]: a}
+obj[ foo]
+obj['foo' ]
+obj[foo[ bar ]]
+var x = {[ b]: a}
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint computed-property-spacing: ["error", "always"]*/
+/*eslint-env es6*/
+
+obj[ foo ]
+obj[ 'foo' ]
+var x = {[ b ]: a}
+obj[ foo[ bar ] ]
+```
+
+#### enforceForClassMembers
+
+With `enforceForClassMembers` set to `true` (default), the rule also disallows/enforces spaces inside of computed keys of class methods, getters and setters.
+
+Examples of **incorrect** code for this rule with `"never"` and `{ "enforceForClassMembers": true }` (default):
+
+```js
+/*eslint computed-property-spacing: ["error", "never", { "enforceForClassMembers": true }]*/
+/*eslint-env es6*/
+
+class Foo {
+  [a ]() {}
+  get [b ]() {}
+  set [b ](value) {}
+}
+
+const Bar = class {
+  [ a](){}
+  static [ b]() {}
+  static get [ c ]() {}
+  static set [ c ](value) {}
+}
+```
+
+Examples of **correct** code for this rule with `"never"` and `{ "enforceForClassMembers": true }` (default):
+
+```js
+/*eslint computed-property-spacing: ["error", "never", { "enforceForClassMembers": true }]*/
+/*eslint-env es6*/
+
+class Foo {
+  [a]() {}
+  get [b]() {}
+  set [b](value) {}
+}
+
+const Bar = class {
+  [a](){}
+  static [b]() {}
+  static get [c]() {}
+  static set [c](value) {}
+}
+```
+
+Examples of **correct** code for this rule with `"never"` and `{ "enforceForClassMembers": false }`:
+
+```js
+/*eslint computed-property-spacing: ["error", "never", { "enforceForClassMembers": false }]*/
+/*eslint-env es6*/
+
+class Foo {
+  [a ]() {}
+  get [b ]() {}
+  set [b ](value) {}
+}
+
+const Bar = class {
+  [ a](){}
+  static [ b]() {}
+  static get [ c ]() {}
+  static set [ c ](value) {}
+}
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of computed properties.
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
+* [comma-spacing](comma-spacing.md)
+* [space-in-parens](space-in-parens.md)
diff --git a/eslint/docs/rules/consistent-return.md b/eslint/docs/rules/consistent-return.md
new file mode 100644
index 0000000..bf4b470
--- /dev/null
+++ b/eslint/docs/rules/consistent-return.md
@@ -0,0 +1,145 @@
+# require `return` statements to either always or never specify values (consistent-return)
+
+Unlike statically-typed languages which enforce that a function returns a specified type of value, JavaScript allows different code paths in a function to return different types of values.
+
+A confusing aspect of JavaScript is that a function returns `undefined` if any of the following are true:
+
+* it does not execute a `return` statement before it exits
+* it executes `return` which does not specify a value explicitly
+* it executes `return undefined`
+* it executes `return void` followed by an expression (for example, a function call)
+* it executes `return` followed by any other expression which evaluates to `undefined`
+
+If any code paths in a function return a value explicitly but some code path do not return a value explicitly, it might be a typing mistake, especially in a large function. In the following example:
+
+* a code path through the function returns a Boolean value `true`
+* another code path does not return a value explicitly, therefore returns `undefined` implicitly
+
+```js
+function doSomething(condition) {
+    if (condition) {
+        return true;
+    } else {
+        return;
+    }
+}
+```
+
+## Rule Details
+
+This rule requires `return` statements to either always or never specify values. This rule ignores function definitions where the name begins with an uppercase letter, because constructors (when invoked with the `new` operator) return the instantiated object implicitly if they do not return another object explicitly.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint consistent-return: "error"*/
+
+function doSomething(condition) {
+    if (condition) {
+        return true;
+    } else {
+        return;
+    }
+}
+
+function doSomething(condition) {
+    if (condition) {
+        return true;
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint consistent-return: "error"*/
+
+function doSomething(condition) {
+    if (condition) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+function Foo() {
+    if (!(this instanceof Foo)) {
+        return new Foo();
+    }
+
+    this.a = 0;
+}
+```
+
+## Options
+
+This rule has an object option:
+
+* `"treatUndefinedAsUnspecified": false` (default) always either specify values or return `undefined` implicitly only.
+* `"treatUndefinedAsUnspecified": true` always either specify values or return `undefined` explicitly or implicitly.
+
+### treatUndefinedAsUnspecified
+
+Examples of **incorrect** code for this rule with the default `{ "treatUndefinedAsUnspecified": false }` option:
+
+```js
+/*eslint consistent-return: ["error", { "treatUndefinedAsUnspecified": false }]*/
+
+function foo(callback) {
+    if (callback) {
+        return void callback();
+    }
+    // no return statement
+}
+
+function bar(condition) {
+    if (condition) {
+        return undefined;
+    }
+    // no return statement
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "treatUndefinedAsUnspecified": true }` option:
+
+```js
+/*eslint consistent-return: ["error", { "treatUndefinedAsUnspecified": true }]*/
+
+function foo(callback) {
+    if (callback) {
+        return void callback();
+    }
+    return true;
+}
+
+function bar(condition) {
+    if (condition) {
+        return undefined;
+    }
+    return true;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "treatUndefinedAsUnspecified": true }` option:
+
+```js
+/*eslint consistent-return: ["error", { "treatUndefinedAsUnspecified": true }]*/
+
+function foo(callback) {
+    if (callback) {
+        return void callback();
+    }
+    // no return statement
+}
+
+function bar(condition) {
+    if (condition) {
+        return undefined;
+    }
+    // no return statement
+}
+```
+
+## When Not To Use It
+
+If you want to allow functions to have different `return` behavior depending on code branching, then it is safe to disable this rule.
diff --git a/eslint/docs/rules/consistent-this.md b/eslint/docs/rules/consistent-this.md
new file mode 100644
index 0000000..3921232
--- /dev/null
+++ b/eslint/docs/rules/consistent-this.md
@@ -0,0 +1,84 @@
+# Require Consistent This (consistent-this)
+
+It is often necessary to capture the current execution context in order to make it available subsequently. A prominent example of this are jQuery callbacks:
+
+```js
+var that = this;
+jQuery('li').click(function (event) {
+    // here, "this" is the HTMLElement where the click event occurred
+    that.setFoo(42);
+});
+```
+
+There are many commonly used aliases for `this` such as `that`, `self` or `me`. It is desirable to ensure that whichever alias the team agrees upon is used consistently throughout the application.
+
+## Rule Details
+
+This rule enforces two things about variables with the designated alias names for `this`:
+
+* If a variable with a designated name is declared, it *must* be either initialized (in the declaration) or assigned (in the same scope as the declaration) the value `this`.
+* If a variable is initialized or assigned the value `this`, the name of the variable *must* be a designated alias.
+
+## Options
+
+This rule has one or more string options:
+
+* designated alias names for `this` (default `"that"`)
+
+Examples of **incorrect** code for this rule with the default `"that"` option:
+
+```js
+/*eslint consistent-this: ["error", "that"]*/
+
+var that = 42;
+
+var self = this;
+
+that = 42;
+
+self = this;
+```
+
+Examples of **correct** code for this rule with the default `"that"` option:
+
+```js
+/*eslint consistent-this: ["error", "that"]*/
+
+var that = this;
+
+var self = 42;
+
+var self;
+
+that = this;
+
+foo.bar = this;
+```
+
+Examples of **incorrect** code for this rule with the default `"that"` option, if the variable is not initialized:
+
+```js
+/*eslint consistent-this: ["error", "that"]*/
+
+var that;
+function f() {
+    that = this;
+}
+```
+
+Examples of **correct** code for this rule with the default `"that"` option, if the variable is not initialized:
+
+```js
+/*eslint consistent-this: ["error", "that"]*/
+
+var that;
+that = this;
+
+var foo, that;
+foo = 42;
+that = this;
+```
+
+## When Not To Use It
+
+If you need to capture nested context, `consistent-this` is going to be problematic. Code of that nature is usually difficult to read and maintain and you should consider refactoring it.
diff --git a/eslint/docs/rules/constructor-super.md b/eslint/docs/rules/constructor-super.md
new file mode 100644
index 0000000..bf43888
--- /dev/null
+++ b/eslint/docs/rules/constructor-super.md
@@ -0,0 +1,60 @@
+# Verify calls of `super()` in constructors (constructor-super)
+
+Constructors of derived classes must call `super()`.
+Constructors of non derived classes must not call `super()`.
+If this is not observed, the JavaScript engine will raise a runtime error.
+
+This rule checks whether or not there is a valid `super()` call.
+
+## Rule Details
+
+This rule is aimed to flag invalid/missing `super()` calls.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint constructor-super: "error"*/
+/*eslint-env es6*/
+
+class A {
+    constructor() {
+        super();  // This is a SyntaxError.
+    }
+}
+
+class A extends B {
+    constructor() { }  // Would throw a ReferenceError.
+}
+
+// Classes which inherits from a non constructor are always problems.
+class A extends null {
+    constructor() {
+        super();  // Would throw a TypeError.
+    }
+}
+
+class A extends null {
+    constructor() { }  // Would throw a ReferenceError.
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint constructor-super: "error"*/
+/*eslint-env es6*/
+
+class A {
+    constructor() { }
+}
+
+class A extends B {
+    constructor() {
+        super();
+    }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about invalid/missing `super()` callings in constructors, you can safely disable this rule.
diff --git a/eslint/docs/rules/curly.md b/eslint/docs/rules/curly.md
new file mode 100644
index 0000000..9f4df27
--- /dev/null
+++ b/eslint/docs/rules/curly.md
@@ -0,0 +1,293 @@
+# Require Following Curly Brace Conventions (curly)
+
+JavaScript allows the omission of curly braces when a block contains only one statement. However, it is considered by many to be best practice to _never_ omit curly braces around blocks, even when they are optional, because it can lead to bugs and reduces code clarity. So the following:
+
+```js
+if (foo) foo++;
+```
+
+Can be rewritten as:
+
+```js
+if (foo) {
+    foo++;
+}
+```
+
+There are, however, some who prefer to only use braces when there is more than one statement to be executed.
+
+## Rule Details
+
+This rule is aimed at preventing bugs and increasing code clarity by ensuring that block statements are wrapped in curly braces. It will warn when it encounters blocks that omit curly braces.
+
+## Options
+
+### all
+
+Examples of **incorrect** code for the default `"all"` option:
+
+```js
+/*eslint curly: "error"*/
+
+if (foo) foo++;
+
+while (bar)
+    baz();
+
+if (foo) {
+    baz();
+} else qux();
+```
+
+Examples of **correct** code for the default `"all"` option:
+
+```js
+/*eslint curly: "error"*/
+
+if (foo) {
+    foo++;
+}
+
+while (bar) {
+    baz();
+}
+
+if (foo) {
+    baz();
+} else {
+    qux();
+}
+```
+
+### multi
+
+By default, this rule warns whenever `if`, `else`, `for`, `while`, or `do` are used without block statements as their body. However, you can specify that block statements should be used only when there are multiple statements in the block and warn when there is only one statement in the block.
+
+Examples of **incorrect** code for the `"multi"` option:
+
+```js
+/*eslint curly: ["error", "multi"]*/
+
+if (foo) {
+    foo++;
+}
+
+if (foo) bar();
+else {
+    foo++;
+}
+
+while (true) {
+    doSomething();
+}
+
+for (var i=0; i < items.length; i++) {
+    doSomething();
+}
+```
+
+Examples of **correct** code for the `"multi"` option:
+
+```js
+/*eslint curly: ["error", "multi"]*/
+
+if (foo) foo++;
+
+else foo();
+
+while (true) {
+    doSomething();
+    doSomethingElse();
+}
+```
+
+### multi-line
+
+Alternatively, you can relax the rule to allow brace-less single-line `if`, `else if`, `else`, `for`, `while`, or `do`, while still enforcing the use of curly braces for other instances.
+
+Examples of **incorrect** code for the `"multi-line"` option:
+
+```js
+/*eslint curly: ["error", "multi-line"]*/
+
+if (foo)
+  doSomething();
+else
+  doSomethingElse();
+
+if (foo) foo(
+  bar,
+  baz);
+```
+
+Examples of **correct** code for the `"multi-line"` option:
+
+```js
+/*eslint curly: ["error", "multi-line"]*/
+
+if (foo) foo++; else doSomething();
+
+if (foo) foo++;
+else if (bar) baz()
+else doSomething();
+
+do something();
+while (foo);
+
+while (foo
+  && bar) baz();
+
+if (foo) {
+    foo++;
+}
+
+if (foo) { foo++; }
+
+while (true) {
+    doSomething();
+    doSomethingElse();
+}
+```
+
+### multi-or-nest
+
+You can use another configuration that forces brace-less `if`, `else if`, `else`, `for`, `while`, or `do` if their body contains only one single-line statement. And forces braces in all other cases.
+
+Examples of **incorrect** code for the `"multi-or-nest"` option:
+
+```js
+/*eslint curly: ["error", "multi-or-nest"]*/
+
+if (!foo)
+    foo = {
+        bar: baz,
+        qux: foo
+    };
+
+while (true)
+  if(foo)
+      doSomething();
+  else
+      doSomethingElse();
+
+if (foo) {
+    foo++;
+}
+
+while (true) {
+    doSomething();
+}
+
+for (var i = 0; foo; i++) {
+    doSomething();
+}
+
+if (foo)
+    // some comment
+    bar();
+```
+
+Examples of **correct** code for the `"multi-or-nest"` option:
+
+```js
+/*eslint curly: ["error", "multi-or-nest"]*/
+
+if (!foo) {
+    foo = {
+        bar: baz,
+        qux: foo
+    };
+}
+
+while (true) {
+  if(foo)
+      doSomething();
+  else
+      doSomethingElse();
+}
+
+if (foo)
+    foo++;
+
+while (true)
+    doSomething();
+
+for (var i = 0; foo; i++)
+    doSomething();
+
+if (foo) {
+    // some comment
+    bar();
+}
+```
+
+### consistent
+
+When using any of the `multi*` options, you can add an option to enforce all bodies of a `if`,
+`else if` and `else` chain to be with or without braces.
+
+Examples of **incorrect** code for the `"multi", "consistent"` options:
+
+```js
+/*eslint curly: ["error", "multi", "consistent"]*/
+
+if (foo) {
+    bar();
+    baz();
+} else
+    buz();
+
+if (foo)
+    bar();
+else if (faa)
+    bor();
+else {
+    other();
+    things();
+}
+
+if (true)
+    foo();
+else {
+    baz();
+}
+
+if (foo) {
+    foo++;
+}
+```
+
+Examples of **correct** code for the `"multi", "consistent"` options:
+
+```js
+/*eslint curly: ["error", "multi", "consistent"]*/
+
+if (foo) {
+    bar();
+    baz();
+} else {
+    buz();
+}
+
+if (foo) {
+    bar();
+} else if (faa) {
+    bor();
+} else {
+    other();
+    things();
+}
+
+if (true)
+    foo();
+else
+    baz();
+
+if (foo)
+    foo++;
+
+```
+
+## When Not To Use It
+
+If you have no strict conventions about when to use block statements and when not to, you can safely disable this rule.
diff --git a/eslint/docs/rules/default-case-last.md b/eslint/docs/rules/default-case-last.md
new file mode 100644
index 0000000..c9eedbe
--- /dev/null
+++ b/eslint/docs/rules/default-case-last.md
@@ -0,0 +1,125 @@
+# Enforce default clauses in switch statements to be last (default-case-last)
+
+A `switch` statement can optionally have a `default` clause.
+
+If present, it's usually the last clause, but it doesn't need to be. It is also allowed to put the `default` clause before all `case` clauses, or anywhere between. The behavior is mostly the same as if it was the last clause. The `default` block will be still executed only if there is no match in the `case` clauses (including those defined after the `default`), but there is also the ability to "fall through" from the `default` clause to the following clause in the list. However, such flow is not common and it would be confusing to the readers.
+
+Even if there is no "fall through" logic, it's still unexpected to see the `default` clause before or between the `case` clauses. By convention, it is expected to be the last clause.
+
+If a `switch` statement should have a `default` clause, it's considered a best practice to define it as the last clause.
+
+## Rule Details
+
+This rule enforces `default` clauses in `switch` statements to be last.
+
+It applies only to `switch` statements that already have a `default` clause.
+
+This rule does not enforce the existence of `default` clauses. See [default-case](default-case.md) if you also want to enforce the existence of `default` clauses in `switch` statements.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint default-case-last: "error"*/
+
+switch (foo) {
+    default:
+        bar();
+        break;
+    case "a":
+        baz();
+        break;
+}
+
+switch (foo) {
+    case 1:
+        bar();
+        break;
+    default:
+        baz();
+        break;
+    case 2:
+        quux();
+        break;
+}
+
+switch (foo) {
+    case "x":
+        bar();
+        break;
+    default:
+    case "y":
+        baz();
+        break;
+}
+
+switch (foo) {
+    default:
+        break;
+    case -1:
+        bar();
+        break;
+}
+
+switch (foo) {
+  default:
+    doSomethingIfNotZero();
+  case 0:
+    doSomethingAnyway();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint default-case-last: "error"*/
+
+switch (foo) {
+    case "a":
+        baz();
+        break;
+    default:
+        bar();
+        break;
+}
+
+switch (foo) {
+    case 1:
+        bar();
+        break;
+    case 2:
+        quux();
+        break;
+    default:
+        baz();
+        break;
+}
+
+switch (foo) {
+    case "x":
+        bar();
+        break;
+    case "y":
+    default:
+        baz();
+        break;
+}
+
+switch (foo) {
+    case -1:
+        bar();
+        break;
+}
+
+if (foo !== 0) {
+    doSomethingIfNotZero();
+}
+doSomethingAnyway();
+```
+
+## Further Reading
+
+* [MDN switch statement](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/switch)
+
+## Related Rules
+
+* [default-case](default-case.md)
diff --git a/eslint/docs/rules/default-case.md b/eslint/docs/rules/default-case.md
new file mode 100644
index 0000000..ba13407
--- /dev/null
+++ b/eslint/docs/rules/default-case.md
@@ -0,0 +1,126 @@
+# Require Default Case in Switch Statements (default-case)
+
+Some code conventions require that all `switch` statements have a `default` case, even if the default case is empty, such as:
+
+```js
+switch (foo) {
+    case 1:
+        doSomething();
+        break;
+
+    case 2:
+        doSomething();
+        break;
+
+    default:
+        // do nothing
+}
+```
+
+The thinking is that it's better to always explicitly state what the default behavior should be so that it's clear whether or not the developer forgot to include the default behavior by mistake.
+
+Other code conventions allow you to skip the `default` case so long as there is a comment indicating the omission is intentional, such as:
+
+```js
+switch (foo) {
+    case 1:
+        doSomething();
+        break;
+
+    case 2:
+        doSomething();
+        break;
+
+    // no default
+}
+```
+
+Once again, the intent here is to show that the developer intended for there to be no default behavior.
+
+## Rule Details
+
+This rule aims to require `default` case in `switch` statements. You may optionally include a `// no default` after the last `case` if there is no `default` case. The comment may be in any desired case, such as `// No Default`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint default-case: "error"*/
+
+switch (a) {
+    case 1:
+        /* code */
+        break;
+}
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint default-case: "error"*/
+
+switch (a) {
+    case 1:
+        /* code */
+        break;
+
+    default:
+        /* code */
+        break;
+}
+
+
+switch (a) {
+    case 1:
+        /* code */
+        break;
+
+    // no default
+}
+
+switch (a) {
+    case 1:
+        /* code */
+        break;
+
+    // No Default
+}
+```
+
+## Options
+
+This rule accepts a single options argument:
+
+* Set the `commentPattern` option to a regular expression string to change the default `/^no default$/i` comment test pattern
+
+### commentPattern
+
+Examples of **correct** code for the `{ "commentPattern": "^skip\\sdefault" }` option:
+
+```js
+/*eslint default-case: ["error", { "commentPattern": "^skip\\sdefault" }]*/
+
+switch(a) {
+    case 1:
+        /* code */
+        break;
+
+    // skip default
+}
+
+switch(a) {
+    case 1:
+        /* code */
+        break;
+
+    // skip default case
+}
+```
+
+## When Not To Use It
+
+If you don't want to enforce a `default` case for `switch` statements, you can safely disable this rule.
+
+## Related Rules
+
+* [no-fallthrough](no-fallthrough.md)
diff --git a/eslint/docs/rules/default-param-last.md b/eslint/docs/rules/default-param-last.md
new file mode 100644
index 0000000..97bba70
--- /dev/null
+++ b/eslint/docs/rules/default-param-last.md
@@ -0,0 +1,35 @@
+# enforce default parameters to be last (default-param-last)
+
+Putting default parameter at last allows function calls to omit optional tail arguments.
+
+```js
+// Correct: optional argument can be omitted
+function createUser(id, isAdmin = false) {}
+createUser("tabby")
+
+// Incorrect: optional argument can **not** be omitted
+function createUser(isAdmin = false, id) {}
+createUser(undefined, "tabby")
+```
+
+## Rule Details
+
+This rule enforces default parameters to be the last of parameters.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint default-param-last: ["error"] */
+
+function f(a = 0, b) {}
+
+function f(a, b = 0, c) {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint default-param-last: ["error"] */
+
+function f(a, b = 0) {}
+```
diff --git a/eslint/docs/rules/dot-location.md b/eslint/docs/rules/dot-location.md
new file mode 100644
index 0000000..82f0d94
--- /dev/null
+++ b/eslint/docs/rules/dot-location.md
@@ -0,0 +1,85 @@
+# Enforce newline before and after dot (dot-location)
+
+JavaScript allows you to place newlines before or after a dot in a member expression.
+
+Consistency in placing a newline before or after the dot can greatly increase readability.
+
+```js
+var a = universe.
+        galaxy;
+
+var b = universe
+       .galaxy;
+```
+
+## Rule Details
+
+This rule aims to enforce newline consistency in member expressions. This rule prevents the use of mixed newlines around the dot in a member expression.
+
+## Options
+
+The rule takes one option, a string:
+
+* If it is `"object"` (default), the dot in a member expression should be on the same line as the object portion.
+* If it is `"property"`, the dot in a member expression should be on the same line as the property portion.
+
+### object
+
+The default `"object"` option requires the dot to be on the same line as the object.
+
+Examples of **incorrect** code for the default `"object"` option:
+
+```js
+/*eslint dot-location: ["error", "object"]*/
+
+var foo = object
+.property;
+```
+
+Examples of **correct** code for the default `"object"` option:
+
+```js
+/*eslint dot-location: ["error", "object"]*/
+
+var foo = object.
+property;
+
+var bar = (
+    object
+).
+property;
+
+var baz = object.property;
+```
+
+### property
+
+The `"property"` option requires the dot to be on the same line as the property.
+
+Examples of **incorrect** code for the `"property"` option:
+
+```js
+/*eslint dot-location: ["error", "property"]*/
+
+var foo = object.
+property;
+```
+
+Examples of **correct** code for the `"property"` option:
+
+```js
+/*eslint dot-location: ["error", "property"]*/
+
+var foo = object
+.property;
+var bar = object.property;
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of newlines before or after dots in member expressions.
+
+## Related Rules
+
+* [newline-after-var](newline-after-var.md)
+* [dot-notation](dot-notation.md)
diff --git a/eslint/docs/rules/dot-notation.md b/eslint/docs/rules/dot-notation.md
new file mode 100644
index 0000000..a13049a
--- /dev/null
+++ b/eslint/docs/rules/dot-notation.md
@@ -0,0 +1,67 @@
+# Require Dot Notation (dot-notation)
+
+In JavaScript, one can access properties using the dot notation (`foo.bar`) or square-bracket notation (`foo["bar"]`). However, the dot notation is often preferred because it is easier to read, less verbose, and works better with aggressive JavaScript minimizers.
+
+```js
+foo["bar"];
+```
+
+## Rule Details
+
+This rule is aimed at maintaining code consistency and improving code readability by encouraging use of the dot notation style whenever possible. As such, it will warn when it encounters an unnecessary use of square-bracket notation.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint dot-notation: "error"*/
+
+var x = foo["bar"];
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint dot-notation: "error"*/
+
+var x = foo.bar;
+
+var x = foo[bar];    // Property name is a variable, square-bracket notation required
+```
+
+## Options
+
+This rule accepts a single options argument:
+
+* Set the `allowKeywords` option to `false` (default is `true`) to follow ECMAScript version 3 compatible style, avoiding dot notation for reserved word properties.
+* Set the `allowPattern` option to a regular expression string to allow bracket notation for property names that match a pattern (by default, no pattern is tested).
+
+### allowKeywords
+
+Examples of **correct** code for the `{ "allowKeywords": false }` option:
+
+```js
+/*eslint dot-notation: ["error", { "allowKeywords": false }]*/
+
+var foo = { "class": "CS 101" }
+var x = foo["class"]; // Property name is a reserved word, square-bracket notation required
+```
+
+### allowPattern
+
+For example, when preparing data to be sent to an external API, it is often required to use property names that include underscores.  If the `camelcase` rule is in effect, these [snake case](https://en.wikipedia.org/wiki/Snake_case) properties would not be allowed.  By providing an `allowPattern` to the `dot-notation` rule, these snake case properties can be accessed with bracket notation.
+
+Examples of **correct** code for the sample `{ "allowPattern": "^[a-z]+(_[a-z]+)+$" }` option:
+
+```js
+/*eslint camelcase: "error"*/
+/*eslint dot-notation: ["error", { "allowPattern": "^[a-z]+(_[a-z]+)+$" }]*/
+
+var data = {};
+data.foo_bar = 42;
+
+var data = {};
+data["fooBar"] = 42;
+
+var data = {};
+data["foo_bar"] = 42; // no warning
+```
diff --git a/eslint/docs/rules/eol-last.md b/eslint/docs/rules/eol-last.md
new file mode 100644
index 0000000..ce6203b
--- /dev/null
+++ b/eslint/docs/rules/eol-last.md
@@ -0,0 +1,46 @@
+# require or disallow newline at the end of files (eol-last)
+
+Trailing newlines in non-empty files are a common UNIX idiom. Benefits of
+trailing newlines include the ability to concatenate or append to files as well
+as output files to the terminal without interfering with shell prompts.
+
+## Rule Details
+
+This rule enforces at least one newline (or absence thereof) at the end
+of non-empty files.
+
+Prior to v0.16.0 this rule also enforced that there was only a single line at
+the end of the file. If you still want this behavior, consider enabling
+[no-multiple-empty-lines](no-multiple-empty-lines.md) with `maxEOF` and/or
+[no-trailing-spaces](no-trailing-spaces.md).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint eol-last: ["error", "always"]*/
+
+function doSmth() {
+  var foo = 2;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint eol-last: ["error", "always"]*/
+
+function doSmth() {
+  var foo = 2;
+}\n
+```
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) enforces that files end with a newline (LF)
+* `"never"` enforces that files do not end with a newline
+* `"unix"` (deprecated) is identical to "always"
+* `"windows"` (deprecated) is identical to "always", but will use a CRLF character when autofixing
+
+**Deprecated:** The options `"unix"` and `"windows"` are deprecated. If you need to enforce a specific linebreak style, use this rule in conjunction with `linebreak-style`.
diff --git a/eslint/docs/rules/eqeqeq.md b/eslint/docs/rules/eqeqeq.md
new file mode 100644
index 0000000..4849f99
--- /dev/null
+++ b/eslint/docs/rules/eqeqeq.md
@@ -0,0 +1,125 @@
+# Require === and !== (eqeqeq)
+
+It is considered good practice to use the type-safe equality operators `===` and `!==` instead of their regular counterparts `==` and `!=`.
+
+The reason for this is that `==` and `!=` do type coercion which follows the rather obscure [Abstract Equality Comparison Algorithm](https://www.ecma-international.org/ecma-262/5.1/#sec-11.9.3).
+For instance, the following statements are all considered `true`:
+
+* `[] == false`
+* `[] == ![]`
+* `3 == "03"`
+
+If one of those occurs in an innocent-looking statement such as `a == b` the actual problem is very difficult to spot.
+
+## Rule Details
+
+This rule is aimed at eliminating the type-unsafe equality operators.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint eqeqeq: "error"*/
+
+if (x == 42) { }
+
+if ("" == text) { }
+
+if (obj.getStuff() != undefined) { }
+```
+
+The `--fix` option on the command line automatically fixes some problems reported by this rule. A problem is only fixed if one of the operands is a `typeof` expression, or if both operands are literals with the same type.
+
+## Options
+
+### always
+
+The `"always"` option (default) enforces the use of `===` and `!==` in every situation (except when you opt-in to more specific handling of `null` [see below]).
+
+Examples of **incorrect** code for the `"always"` option:
+
+```js
+/*eslint eqeqeq: ["error", "always"]*/
+
+a == b
+foo == true
+bananas != 1
+value == undefined
+typeof foo == 'undefined'
+'hello' != 'world'
+0 == 0
+true == true
+foo == null
+
+```
+
+Examples of **correct** code for the `"always"` option:
+
+```js
+/*eslint eqeqeq: ["error", "always"]*/
+
+a === b
+foo === true
+bananas !== 1
+value === undefined
+typeof foo === 'undefined'
+'hello' !== 'world'
+0 === 0
+true === true
+foo === null
+
+```
+
+This rule optionally takes a second argument, which should be an object with the following supported properties:
+
+* `"null"`: Customize how this rule treats `null` literals. Possible values:
+    * `always` (default) - Always use === or !==.
+    * `never` - Never use === or !== with `null`.
+    * `ignore` - Do not apply this rule to `null`.
+
+### smart
+
+The `"smart"` option enforces the use of `===` and `!==` except for these cases:
+
+* Comparing two literal values
+* Evaluating the value of `typeof`
+* Comparing against `null`
+
+Examples of **incorrect** code for the `"smart"` option:
+
+```js
+/*eslint eqeqeq: ["error", "smart"]*/
+
+// comparing two variables requires ===
+a == b
+
+// only one side is a literal
+foo == true
+bananas != 1
+
+// comparing to undefined requires ===
+value == undefined
+```
+
+Examples of **correct** code for the `"smart"` option:
+
+```js
+/*eslint eqeqeq: ["error", "smart"]*/
+
+typeof foo == 'undefined'
+'hello' != 'world'
+0 == 0
+true == true
+foo == null
+```
+
+### allow-null
+
+**Deprecated:** Instead of using this option use "always" and pass a "null" option property with value "ignore". This will tell ESLint to always enforce strict equality except when comparing with the `null` literal.
+
+```js
+["error", "always", {"null": "ignore"}]
+```
+
+## When Not To Use It
+
+If you don't want to enforce a style for using equality operators, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/for-direction.md b/eslint/docs/rules/for-direction.md
new file mode 100644
index 0000000..be24f7f
--- /dev/null
+++ b/eslint/docs/rules/for-direction.md
@@ -0,0 +1,24 @@
+# Enforce "for" loop update clause moving the counter in the right direction. (for-direction)
+
+## Rule Details
+
+A `for` loop with a stop condition that can never be reached, such as one with a counter that moves in the wrong direction, will run infinitely. While there are occasions when an infinite loop is intended, the convention is to construct such loops as `while` loops. More typically, an infinite for loop is a bug.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint for-direction: "error"*/
+for (var i = 0; i < 10; i--) {
+}
+
+for (var i = 10; i >= 0; i++) {
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint for-direction: "error"*/
+for (var i = 0; i < 10; i++) {
+}
+```
diff --git a/eslint/docs/rules/func-call-spacing.md b/eslint/docs/rules/func-call-spacing.md
new file mode 100644
index 0000000..0982915
--- /dev/null
+++ b/eslint/docs/rules/func-call-spacing.md
@@ -0,0 +1,105 @@
+# require or disallow spacing between function identifiers and their invocations (func-call-spacing)
+
+When calling a function, developers may insert optional whitespace between the function's name and the parentheses that invoke it. The following pairs of function calls are equivalent:
+
+```js
+alert('Hello');
+alert ('Hello');
+
+console.log(42);
+console.log (42);
+
+new Date();
+new Date ();
+```
+
+## Rule Details
+
+This rule requires or disallows spaces between the function name and the opening parenthesis that calls it.
+
+## options
+
+This rule has a string option:
+
+- `"never"` (default) disallows space between the function name and the opening parenthesis.
+- `"always"` requires space between the function name and the opening parenthesis.
+
+Further, in `"always"` mode, a second object option is available that contains a single boolean `allowNewlines` property.
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint func-call-spacing: ["error", "never"]*/
+
+fn ();
+
+fn
+();
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint func-call-spacing: ["error", "never"]*/
+
+fn();
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint func-call-spacing: ["error", "always"]*/
+
+fn();
+
+fn
+();
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint func-call-spacing: ["error", "always"]*/
+
+fn ();
+```
+
+#### allowNewlines
+
+By default, `"always"` does not allow newlines. To permit newlines when in `"always"` mode, set the `allowNewlines` option to `true`. Newlines are never required.
+
+Examples of **incorrect** code for this rule with `allowNewlines` option enabled:
+
+```js
+/*eslint func-call-spacing: ["error", "always", { "allowNewlines": true }]*/
+
+fn();
+```
+
+Examples of **correct** code for this rule with the `allowNewlines` option enabled:
+
+```js
+/*eslint func-call-spacing: ["error", "always", { "allowNewlines": true }]*/
+
+fn (); // Newlines are never required.
+
+fn
+();
+```
+
+## When Not To Use It
+
+This rule can safely be turned off if your project does not care about enforcing a consistent style for spacing within function calls.
+
+## Related Rules
+
+- [no-spaced-func](no-spaced-func.md) (deprecated)
+
+## Compatibility
+
+- **JSCS**: [disallowSpacesInCallExpression](https://jscs-dev.github.io/rule/disallowSpacesInCallExpression)
+- **JSCS**: [requireSpacesInCallExpression](https://jscs-dev.github.io/rule/requireSpacesInCallExpression)
diff --git a/eslint/docs/rules/func-name-matching.md b/eslint/docs/rules/func-name-matching.md
new file mode 100644
index 0000000..53be2a0
--- /dev/null
+++ b/eslint/docs/rules/func-name-matching.md
@@ -0,0 +1,140 @@
+# require function names to match the name of the variable or property to which they are assigned (func-name-matching)
+
+## Rule Details
+
+This rule requires function names to match the name of the variable or property to which they are assigned. The rule will ignore property assignments where the property name is a literal that is not a valid identifier in the ECMAScript version specified in your configuration (default ES5).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint func-name-matching: "error"*/
+
+var foo = function bar() {};
+foo = function bar() {};
+obj.foo = function bar() {};
+obj['foo'] = function bar() {};
+var obj = {foo: function bar() {}};
+({['foo']: function bar() {}});
+```
+
+```js
+/*eslint func-name-matching: ["error", "never"] */
+
+var foo = function foo() {};
+foo = function foo() {};
+obj.foo = function foo() {};
+obj['foo'] = function foo() {};
+var obj = {foo: function foo() {}};
+({['foo']: function foo() {}});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint func-name-matching: "error"*/
+/*eslint func-name-matching: ["error", "always"]*/ // these are equivalent
+/*eslint-env es6*/
+
+var foo = function foo() {};
+var foo = function() {};
+var foo = () => {};
+foo = function foo() {};
+
+obj.foo = function foo() {};
+obj['foo'] = function foo() {};
+obj['foo//bar'] = function foo() {};
+obj[foo] = function bar() {};
+
+var obj = {foo: function foo() {}};
+var obj = {[foo]: function bar() {}};
+var obj = {'foo//bar': function foo() {}};
+var obj = {foo: function() {}};
+
+obj['x' + 2] = function bar(){};
+var [ bar ] = [ function bar(){} ];
+({[foo]: function bar() {}})
+
+module.exports = function foo(name) {};
+module['exports'] = function foo(name) {};
+```
+
+```js
+/*eslint func-name-matching: ["error", "never"] */
+/*eslint-env es6*/
+
+var foo = function bar() {};
+var foo = function() {};
+var foo = () => {};
+foo = function bar() {};
+
+obj.foo = function bar() {};
+obj['foo'] = function bar() {};
+obj['foo//bar'] = function foo() {};
+obj[foo] = function foo() {};
+
+var obj = {foo: function bar() {}};
+var obj = {[foo]: function foo() {}};
+var obj = {'foo//bar': function foo() {}};
+var obj = {foo: function() {}};
+
+obj['x' + 2] = function bar(){};
+var [ bar ] = [ function bar(){} ];
+({[foo]: function bar() {}})
+
+module.exports = function foo(name) {};
+module['exports'] = function foo(name) {};
+```
+
+## Options
+
+This rule takes an optional string of "always" or "never" (when omitted, it defaults to "always"), and an optional options object with two properties `considerPropertyDescriptor` and `includeCommonJSModuleExports`.
+
+### considerPropertyDescriptor
+
+A boolean value that defaults to `false`. If `considerPropertyDescriptor` is set to true, the check will take into account the use of `Object.create`, `Object.defineProperty`, `Object.defineProperties`, and `Reflect.defineProperty`.
+
+Examples of **correct** code for the `{ considerPropertyDescriptor: true }` option:
+
+```js
+/*eslint func-name-matching: ["error", { "considerPropertyDescriptor": true }]*/
+/*eslint func-name-matching: ["error", "always", { "considerPropertyDescriptor": true }]*/ // these are equivalent
+var obj = {};
+Object.create(obj, {foo:{value: function foo() {}}});
+Object.defineProperty(obj, 'bar', {value: function bar() {}});
+Object.defineProperties(obj, {baz:{value: function baz() {} }});
+Reflect.defineProperty(obj, 'foo', {value: function foo() {}});
+```
+
+Examples of **incorrect** code for the `{ considerPropertyDescriptor: true }` option:
+
+```js
+/*eslint func-name-matching: ["error", { "considerPropertyDescriptor": true }]*/
+/*eslint func-name-matching: ["error", "always", { "considerPropertyDescriptor": true }]*/ // these are equivalent
+var obj = {};
+Object.create(obj, {foo:{value: function bar() {}}});
+Object.defineProperty(obj, 'bar', {value: function baz() {}});
+Object.defineProperties(obj, {baz:{value: function foo() {} }});
+Reflect.defineProperty(obj, 'foo', {value: function value() {}});
+```
+
+### includeCommonJSModuleExports
+
+A boolean value that defaults to `false`. If `includeCommonJSModuleExports` is set to true, `module.exports` and `module["exports"]` will be checked by this rule.
+
+Examples of **incorrect** code for the `{ includeCommonJSModuleExports: true }` option:
+
+```js
+/*eslint func-name-matching: ["error", { "includeCommonJSModuleExports": true }]*/
+/*eslint func-name-matching: ["error", "always", { "includeCommonJSModuleExports": true }]*/ // these are equivalent
+
+module.exports = function foo(name) {};
+module['exports'] = function foo(name) {};
+```
+
+## When Not To Use It
+
+Do not use this rule if you want to allow named functions to have different names from the variable or property to which they are assigned.
+
+## Compatibility
+
+* **JSCS**: [requireMatchingFunctionName](https://jscs-dev.github.io/rule/requireMatchingFunctionName)
diff --git a/eslint/docs/rules/func-names.md b/eslint/docs/rules/func-names.md
new file mode 100644
index 0000000..27b9cc2
--- /dev/null
+++ b/eslint/docs/rules/func-names.md
@@ -0,0 +1,210 @@
+# Require or disallow named `function` expressions (func-names)
+
+A pattern that's becoming more common is to give function expressions names to aid in debugging. For example:
+
+```js
+Foo.prototype.bar = function bar() {};
+```
+
+Adding the second `bar` in the above example is optional.  If you leave off the function name then when the function throws an exception you are likely to get something similar to `anonymous function` in the stack trace.  If you provide the optional name for a function expression then you will get the name of the function expression in the stack trace.
+
+## Rule Details
+
+This rule can enforce or disallow the use of named function expressions.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) requires function expressions to have a name
+* `"as-needed"` requires function expressions to have a name, if the name cannot be assigned automatically in an ES6 environment
+* `"never"` disallows named function expressions, except in recursive functions, where a name is needed
+
+This rule has an object option:
+
+* `"generators": "always" | "as-needed" | "never"`
+    * `"always"` require named generators
+    * `"as-needed"` require named generators if the name cannot be assigned automatically in an ES6 environment.
+    * `"never"` disallow named generators where possible.
+
+When a value for `generators` is not provided the behavior for generator functions falls back to the base option.
+
+Please note that `"always"` and `"as-needed"` require function expressions and function declarations in `export default` declarations to have a name.
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint func-names: ["error", "always"]*/
+
+Foo.prototype.bar = function() {};
+
+const cat = {
+  meow: function() {}
+}
+
+(function() {
+    // ...
+}())
+
+export default function() {}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint func-names: ["error", "always"]*/
+
+Foo.prototype.bar = function bar() {};
+
+const cat = {
+  meow() {}
+}
+
+(function bar() {
+    // ...
+}())
+
+export default function foo() {}
+```
+
+### as-needed
+
+ECMAScript 6 introduced a `name` property on all functions. The value of `name` is determined by evaluating the code around the function to see if a name can be inferred. For example, a function assigned to a variable will automatically have a `name` property equal to the name of the variable. The value of `name` is then used in stack traces for easier debugging.
+
+Examples of **incorrect** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint func-names: ["error", "as-needed"]*/
+
+Foo.prototype.bar = function() {};
+
+(function() {
+    // ...
+}())
+
+export default function() {}
+```
+
+Examples of **correct** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint func-names: ["error", "as-needed"]*/
+
+var bar = function() {};
+
+const cat = {
+  meow: function() {}
+}
+
+(function bar() {
+    // ...
+}())
+
+export default function foo() {}
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint func-names: ["error", "never"]*/
+
+Foo.prototype.bar = function bar() {};
+
+(function bar() {
+    // ...
+}())
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint func-names: ["error", "never"]*/
+
+Foo.prototype.bar = function() {};
+
+(function() {
+    // ...
+}())
+```
+
+### generators
+
+Examples of **incorrect** code for this rule with the `"always", { "generators": "as-needed" }` options:
+
+```js
+/*eslint func-names: ["error", "always", { "generators": "as-needed" }]*/
+
+(function*() {
+    // ...
+}())
+```
+
+Examples of **correct** code for this rule with the `"always", { "generators": "as-needed" }` options:
+
+```js
+/*eslint func-names: ["error", "always", { "generators": "as-needed" }]*/
+
+var foo = function*() {};
+```
+
+Examples of **incorrect** code for this rule with the `"always", { "generators": "never" }` options:
+
+```js
+/*eslint func-names: ["error", "always", { "generators": "never" }]*/
+
+var foo = bar(function *baz() {});
+```
+
+Examples of **correct** code for this rule with the `"always", { "generators": "never" }` options:
+
+```js
+/*eslint func-names: ["error", "always", { "generators": "never" }]*/
+
+var foo = bar(function *() {});
+```
+
+Examples of **incorrect** code for this rule with the `"as-needed", { "generators": "never" }` options:
+
+```js
+/*eslint func-names: ["error", "as-needed", { "generators": "never" }]*/
+
+var foo = bar(function *baz() {});
+```
+
+Examples of **correct** code for this rule with the `"as-needed", { "generators": "never" }` options:
+
+```js
+/*eslint func-names: ["error", "as-needed", { "generators": "never" }]*/
+
+var foo = bar(function *() {});
+```
+
+Examples of **incorrect** code for this rule with the `"never", { "generators": "always" }` options:
+
+```js
+/*eslint func-names: ["error", "never", { "generators": "always" }]*/
+
+var foo = bar(function *() {});
+```
+
+Examples of **correct** code for this rule with the `"never", { "generators": "always" }` options:
+
+```js
+/*eslint func-names: ["error", "never", { "generators": "always" }]*/
+
+var foo = bar(function *baz() {});
+```
+
+## Further Reading
+
+* [Functions Explained](http://markdaggett.com/blog/2013/02/15/functions-explained/)
+* [Function Names in ES6](http://2ality.com/2015/09/function-names-es6.html)
+
+## Compatibility
+
+* **JSCS**: [requireAnonymousFunctions](https://jscs-dev.github.io/rule/requireAnonymousFunctions)
+* **JSCS**: [disallowAnonymousFunctions](https://jscs-dev.github.io/rule/disallowAnonymousFunctions)
diff --git a/eslint/docs/rules/func-style.md b/eslint/docs/rules/func-style.md
new file mode 100644
index 0000000..c197403
--- /dev/null
+++ b/eslint/docs/rules/func-style.md
@@ -0,0 +1,131 @@
+# enforce the consistent use of either `function` declarations or expressions (func-style)
+
+There are two ways of defining functions in JavaScript: `function` declarations and `function` expressions. Declarations contain the `function` keyword first, followed by a name and then its arguments and the function body, for example:
+
+```js
+function doSomething() {
+    // ...
+}
+```
+
+Equivalent function expressions begin with the `var` keyword, followed by a name and then the function itself, such as:
+
+```js
+var doSomething = function() {
+    // ...
+};
+```
+
+The primary difference between `function` declarations and `function expressions` is that declarations are *hoisted* to the top of the scope in which they are defined, which allows you to write code that uses the function before its declaration. For example:
+
+```js
+doSomething();
+
+function doSomething() {
+    // ...
+}
+```
+
+Although this code might seem like an error, it actually works fine because JavaScript engines hoist the `function` declarations to the top of the scope. That means this code is treated as if the declaration came before the invocation.
+
+For `function` expressions, you must define the function before it is used, otherwise it causes an error. Example:
+
+```js
+doSomething();  // error!
+
+var doSomething = function() {
+    // ...
+};
+```
+
+In this case, `doSomething()` is undefined at the time of invocation and so causes a runtime error.
+
+Due to these different behaviors, it is common to have guidelines as to which style of function should be used. There is really no correct or incorrect choice here, it is just a preference.
+
+## Rule Details
+
+This rule enforces a particular type of `function` style throughout a JavaScript file, either declarations or expressions. You can specify which you prefer in the configuration.
+
+## Options
+
+This rule has a string option:
+
+* `"expression"` (default) requires the use of function expressions instead of function declarations
+* `"declaration"` requires the use of function declarations instead of function expressions
+
+This rule has an object option for an exception:
+
+* `"allowArrowFunctions"`: `true` (default `false`) allows the use of arrow functions. This option applies only when the string option is set to `"declaration"` (arrow functions are always allowed when the string option is set to `"expression"`, regardless of this option)
+
+### expression
+
+Examples of **incorrect** code for this rule with the default `"expression"` option:
+
+```js
+/*eslint func-style: ["error", "expression"]*/
+
+function foo() {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule with the default `"expression"` option:
+
+```js
+/*eslint func-style: ["error", "expression"]*/
+
+var foo = function() {
+    // ...
+};
+
+var foo = () => {};
+
+// allowed as allowArrowFunctions : false is applied only for declaration
+```
+
+### declaration
+
+Examples of **incorrect** code for this rule with the `"declaration"` option:
+
+```js
+/*eslint func-style: ["error", "declaration"]*/
+
+var foo = function() {
+    // ...
+};
+
+var foo = () => {};
+```
+
+Examples of **correct** code for this rule with the `"declaration"` option:
+
+```js
+/*eslint func-style: ["error", "declaration"]*/
+
+function foo() {
+    // ...
+}
+
+// Methods (functions assigned to objects) are not checked by this rule
+SomeObject.foo = function() {
+    // ...
+};
+```
+
+### allowArrowFunctions
+
+Examples of additional **correct** code for this rule with the `"declaration", { "allowArrowFunctions": true }` options:
+
+```js
+/*eslint func-style: ["error", "declaration", { "allowArrowFunctions": true }]*/
+
+var foo = () => {};
+```
+
+## When Not To Use It
+
+If you want to allow developers to each decide how they want to write functions on their own, then you can disable this rule.
+
+## Further Reading
+
+* [JavaScript Scoping and Hoisting](http://www.adequatelygood.com/JavaScript-Scoping-and-Hoisting.html)
diff --git a/eslint/docs/rules/function-call-argument-newline.md b/eslint/docs/rules/function-call-argument-newline.md
new file mode 100644
index 0000000..bdb9880
--- /dev/null
+++ b/eslint/docs/rules/function-call-argument-newline.md
@@ -0,0 +1,202 @@
+# enforce line breaks between arguments of a function call (function-call-argument-newline)
+
+A number of style guides require or disallow line breaks between arguments of a function call.
+
+## Rule Details
+
+This rule enforces line breaks between arguments of a function call.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) requires line breaks between arguments
+* `"never"` disallows line breaks between arguments
+* `"consistent"` requires consistent usage of line breaks between arguments
+
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "always"]*/
+
+foo("one", "two", "three");
+
+bar("one", "two", {
+    one: 1,
+    two: 2
+});
+
+baz("one", "two", (x) => {
+    console.log(x);
+});
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "always"]*/
+
+foo(
+    "one",
+    "two",
+    "three"
+);
+
+bar(
+    "one",
+    "two",
+    { one: 1, two: 2 }
+);
+// or
+bar(
+    "one",
+    "two",
+    {
+        one: 1,
+        two: 2
+    }
+);
+
+baz(
+    "one",
+    "two",
+    (x) => {
+        console.log(x);
+    }
+);
+```
+
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "never"]*/
+
+foo(
+    "one",
+    "two", "three"
+);
+
+bar(
+    "one",
+    "two", {
+        one: 1,
+        two: 2
+    }
+);
+
+baz(
+    "one",
+    "two", (x) => {
+        console.log(x);
+    }
+);
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "never"]*/
+
+foo("one", "two", "three");
+// or
+foo(
+    "one", "two", "three"
+);
+
+bar("one", "two", { one: 1, two: 2 });
+// or
+bar("one", "two", {
+    one: 1,
+    two: 2
+});
+
+baz("one", "two", (x) => {
+    console.log(x);
+});
+```
+
+### consistent
+
+Examples of **incorrect** code for this rule with the default `"consistent"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "consistent"]*/
+
+foo("one", "two",
+    "three");
+//or
+foo("one",
+    "two", "three");
+
+bar("one", "two",
+    { one: 1, two: 2}
+);
+
+baz("one", "two",
+    (x) => { console.log(x); }
+);
+```
+
+Examples of **correct** code for this rule with the default `"consistent"` option:
+
+```js
+/*eslint function-call-argument-newline: ["error", "consistent"]*/
+
+foo("one", "two", "three");
+// or
+foo(
+    "one",
+    "two",
+    "three"
+);
+
+bar("one", "two", {
+    one: 1,
+    two: 2
+});
+// or
+bar(
+    "one",
+    "two",
+    { one: 1, two: 2 }
+);
+// or
+bar(
+    "one",
+    "two",
+    {
+        one: 1,
+        two: 2
+    }
+);
+
+baz("one", "two", (x) => {
+    console.log(x);
+});
+// or
+baz(
+    "one",
+    "two",
+    (x) => {
+        console.log(x);
+    }
+);
+```
+
+
+## When Not To Use It
+
+If you don't want to enforce line breaks between arguments, don't enable this rule.
+
+## Related Rules
+
+* [function-paren-newline](function-paren-newline.md)
+* [func-call-spacing](func-call-spacing.md)
+* [object-property-newline](object-property-newline.md)
+* [array-element-newline](array-element-newline.md)
diff --git a/eslint/docs/rules/function-paren-newline.md b/eslint/docs/rules/function-paren-newline.md
new file mode 100644
index 0000000..ab86680
--- /dev/null
+++ b/eslint/docs/rules/function-paren-newline.md
@@ -0,0 +1,328 @@
+# enforce consistent line breaks inside function parentheses (function-paren-newline)
+
+Many style guides require or disallow newlines inside of function parentheses.
+
+## Rule Details
+
+This rule enforces consistent line breaks inside parentheses of function parameters or arguments.
+
+### Options
+
+This rule has a single option, which can either be a string or an object.
+
+* `"always"` requires line breaks inside all function parentheses.
+* `"never"` disallows line breaks inside all function parentheses.
+* `"multiline"` (default) requires linebreaks inside function parentheses if any of the parameters/arguments have a line break between them. Otherwise, it disallows linebreaks.
+* `"multiline-arguments"` works like `multiline` but allows linebreaks inside function parentheses if there is only one parameter/argument.
+* `"consistent"` requires consistent usage of linebreaks for each pair of parentheses. It reports an error if one parenthesis in the pair has a linebreak inside it and the other parenthesis does not.
+* `{ "minItems": value }` requires linebreaks inside function parentheses if the number of parameters/arguments is at least `value`. Otherwise, it disallows linebreaks.
+
+Example configurations:
+
+```json
+{
+  "rules": {
+    "function-paren-newline": ["error", "never"]
+  }
+}
+```
+
+```json
+{
+  "rules": {
+    "function-paren-newline": ["error", { "minItems": 3 }]
+  }
+}
+```
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "always"] */
+
+function foo(bar, baz) {}
+
+var foo = function(bar, baz) {};
+
+var foo = (bar, baz) => {};
+
+foo(bar, baz);
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "always"] */
+
+function foo(
+  bar,
+  baz
+) {}
+
+var foo = function(
+  bar, baz
+) {};
+
+var foo = (
+  bar,
+  baz
+) => {};
+
+foo(
+  bar,
+  baz
+);
+```
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "never"] */
+
+function foo(
+  bar,
+  baz
+) {}
+
+var foo = function(
+  bar, baz
+) {};
+
+var foo = (
+  bar,
+  baz
+) => {};
+
+foo(
+  bar,
+  baz
+);
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "never"] */
+
+function foo(bar, baz) {}
+
+function foo(bar,
+             baz) {}
+
+var foo = function(bar, baz) {};
+
+var foo = (bar, baz) => {};
+
+foo(bar, baz);
+
+foo(bar,
+  baz);
+```
+
+Examples of **incorrect** code for this rule with the default `"multiline"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "multiline"] */
+
+function foo(bar,
+  baz
+) {}
+
+var foo = function(
+  bar, baz
+) {};
+
+var foo = (
+  bar,
+  baz) => {};
+
+foo(bar,
+  baz);
+
+foo(
+  function() {
+    return baz;
+  }
+);
+```
+
+Examples of **correct** code for this rule with the default `"multiline"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "multiline"] */
+
+function foo(bar, baz) {}
+
+var foo = function(
+  bar,
+  baz
+) {};
+
+var foo = (bar, baz) => {};
+
+foo(bar, baz, qux);
+
+foo(
+  bar,
+  baz,
+  qux
+);
+
+foo(function() {
+  return baz;
+});
+```
+
+Examples of **incorrect** code for this rule with the `"consistent"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "consistent"] */
+
+function foo(bar,
+  baz
+) {}
+
+var foo = function(bar,
+  baz
+) {};
+
+var foo = (
+  bar,
+  baz) => {};
+
+foo(
+  bar,
+  baz);
+
+foo(
+  function() {
+    return baz;
+  });
+```
+
+Examples of **correct** code for this rule with the `"consistent"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "consistent"] */
+
+function foo(bar,
+  baz) {}
+
+var foo = function(bar, baz) {};
+
+var foo = (
+  bar,
+  baz
+) => {};
+
+foo(
+  bar, baz
+);
+
+foo(
+  function() {
+    return baz;
+  }
+);
+```
+
+Examples of **incorrect** code for this rule with the `"multiline-arguments"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "multiline-arguments"] */
+
+function foo(bar,
+  baz
+) {}
+
+var foo = function(bar,
+  baz
+) {};
+
+var foo = (
+  bar,
+  baz) => {};
+
+foo(
+  bar,
+  baz);
+
+foo(
+  bar, qux,
+  baz
+);
+```
+
+Examples of **correct** code for this rule with the consistent `"multiline-arguments"` option:
+
+```js
+/* eslint function-paren-newline: ["error", "multiline-arguments"] */
+
+function foo(
+  bar,
+  baz
+) {}
+
+var foo = function(bar, baz) {};
+
+var foo = (
+  bar
+) => {};
+
+foo(
+  function() {
+    return baz;
+  }
+);
+```
+
+Examples of **incorrect** code for this rule with the `{ "minItems": 3 }` option:
+
+```js
+/* eslint function-paren-newline: ["error", { "minItems": 3 }] */
+
+function foo(
+  bar,
+  baz
+) {}
+
+function foo(bar, baz, qux) {}
+
+var foo = function(
+  bar, baz
+) {};
+
+var foo = (bar,
+  baz) => {};
+
+foo(bar,
+  baz);
+```
+
+Examples of **correct** code for this rule with the `{ "minItems": 3 }` option:
+
+```js
+/* eslint function-paren-newline: ["error", { "minItems": 3 }] */
+
+function foo(bar, baz) {}
+
+var foo = function(
+  bar,
+  baz,
+  qux
+) {};
+
+var foo = (
+  bar, baz, qux
+) => {};
+
+foo(bar, baz);
+
+foo(
+  bar, baz, qux
+);
+```
+
+## When Not To Use It
+
+If don't want to enforce consistent linebreaks inside function parentheses, do not turn on this rule.
diff --git a/eslint/docs/rules/generator-star-spacing.md b/eslint/docs/rules/generator-star-spacing.md
new file mode 100644
index 0000000..00a9ada
--- /dev/null
+++ b/eslint/docs/rules/generator-star-spacing.md
@@ -0,0 +1,207 @@
+# Enforce spacing around the * in generator functions (generator-star-spacing)
+
+Generators are a new type of function in ECMAScript 6 that can return multiple values over time.
+These special functions are indicated by placing an `*` after the `function` keyword.
+
+Here is an example of a generator function:
+
+```js
+/*eslint-env es6*/
+
+function* generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+This is also valid:
+
+```js
+/*eslint-env es6*/
+
+function *generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+This is valid as well:
+
+```js
+/*eslint-env es6*/
+
+function * generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+To keep a sense of consistency when using generators this rule enforces a single position for the `*`.
+
+## Rule Details
+
+This rule aims to enforce spacing around the `*` of generator functions.
+
+## Options
+
+The rule takes one option, an object, which has two keys `before` and `after` having boolean values `true` or `false`.
+
+* `before` enforces spacing between the `*` and the `function` keyword.
+  If it is `true`, a space is required, otherwise spaces are disallowed.
+
+  In object literal shorthand methods, spacing before the `*` is not checked, as they lack a `function` keyword.
+
+* `after` enforces spacing between the `*` and the function name (or the opening parenthesis for anonymous generator functions).
+  If it is `true`, a space is required, otherwise spaces are disallowed.
+
+The default is `{"before": true, "after": false}`.
+
+An example configuration:
+
+```json
+"generator-star-spacing": ["error", {"before": true, "after": false}]
+```
+
+And the option has shorthand as a string keyword:
+
+* `{"before": true, "after": false}` → `"before"`
+* `{"before": false, "after": true}` → `"after"`
+* `{"before": true, "after": true}` → `"both"`
+* `{"before": false, "after": false}` → `"neither"`
+
+An example of shorthand configuration:
+
+```json
+"generator-star-spacing": ["error", "after"]
+```
+
+Additionally, this rule allows further configurability via overrides per function type.
+
+* `named` provides overrides for named functions
+* `anonymous` provides overrides for anonymous functions
+* `method` provides overrides for class methods or property function shorthand
+
+An example of a configuration with overrides:
+
+```json
+"generator-star-spacing": ["error", {
+    "before": false,
+    "after": true,
+    "anonymous": "neither",
+    "method": {"before": true, "after": true}
+}]
+```
+
+In the example configuration above, the top level "before" and "after" options define the default behavior of
+the rule, while the "anonymous" and "method" options override the default behavior.
+Overrides can be either an object with "before" and "after", or a shorthand string as above.
+
+## Examples
+
+### before
+
+Examples of **correct** code for this rule with the `"before"` option:
+
+```js
+/*eslint generator-star-spacing: ["error", {"before": true, "after": false}]*/
+/*eslint-env es6*/
+
+function *generator() {}
+
+var anonymous = function *() {};
+
+var shorthand = { *generator() {} };
+```
+
+### after
+
+Examples of **correct** code for this rule with the `"after"` option:
+
+```js
+/*eslint generator-star-spacing: ["error", {"before": false, "after": true}]*/
+/*eslint-env es6*/
+
+function* generator() {}
+
+var anonymous = function* () {};
+
+var shorthand = { * generator() {} };
+```
+
+### both
+
+Examples of **correct** code for this rule with the `"both"` option:
+
+```js
+/*eslint generator-star-spacing: ["error", {"before": true, "after": true}]*/
+/*eslint-env es6*/
+
+function * generator() {}
+
+var anonymous = function * () {};
+
+var shorthand = { * generator() {} };
+```
+
+### neither
+
+Examples of **correct** code for this rule with the `"neither"` option:
+
+```js
+/*eslint generator-star-spacing: ["error", {"before": false, "after": false}]*/
+/*eslint-env es6*/
+
+function*generator() {}
+
+var anonymous = function*() {};
+
+var shorthand = { *generator() {} };
+```
+
+Examples of **incorrect** code for this rule with overrides present:
+
+```js
+/*eslint generator-star-spacing: ["error", {
+    "before": false,
+    "after": true,
+    "anonymous": "neither",
+    "method": {"before": true, "after": true}
+}]*/
+/*eslint-env es6*/
+
+function * generator() {}
+
+var anonymous = function* () {};
+
+var shorthand = { *generator() {} };
+
+class Class { static* method() {} }
+```
+
+Examples of **correct** code for this rule with overrides present:
+
+```js
+/*eslint generator-star-spacing: ["error", {
+    "before": false,
+    "after": true,
+    "anonymous": "neither",
+    "method": {"before": true, "after": true}
+}]*/
+/*eslint-env es6*/
+
+function* generator() {}
+
+var anonymous = function*() {};
+
+var shorthand = { * generator() {} };
+
+class Class { static * method() {} }
+```
+
+## When Not To Use It
+
+If your project will not be using generators or you are not concerned with spacing consistency, you do not need this rule.
+
+## Further Reading
+
+* [Understanding ES6: Generators](https://leanpub.com/understandinges6/read/#leanpub-auto-generators)
diff --git a/eslint/docs/rules/generator-star.md b/eslint/docs/rules/generator-star.md
new file mode 100644
index 0000000..f344cc4
--- /dev/null
+++ b/eslint/docs/rules/generator-star.md
@@ -0,0 +1,126 @@
+# generator-star: enforce consistent spacing around the asterisk in generator functions
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [generator-star-spacing](generator-star-spacing.md) rule.
+
+Generators are a new type of function in ECMAScript 6 that can return multiple values over time.
+These special functions are indicated by placing an `*` after the `function` keyword.
+
+Here is an example of a generator function:
+
+```js
+/*eslint-env es6*/
+
+function* generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+This is also valid:
+
+```js
+/*eslint-env es6*/
+
+function *generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+This is valid as well:
+
+```js
+/*eslint-env es6*/
+
+function * generator() {
+    yield "44";
+    yield "55";
+}
+```
+
+To keep a sense of consistency when using generators this rule enforces a single position for the `*`.
+
+## Rule Details
+
+This rule enforces that the `*` is either placed next to the `function` keyword or the name of the function. The single
+option for this rule is a string specifying the placement of the asterisk. For this option you may pass
+`"start"`, `"middle"` or `"end"`. The default is `"end"`.
+
+You can set the style in configuration like this:
+
+```json
+"generator-star": ["error", "start"]
+```
+
+When using `"start"` this placement will be enforced:
+
+```js
+/*eslint-env es6*/
+
+function* generator() {
+}
+```
+
+When using `"middle"` this placement will be enforced:
+
+```js
+/*eslint-env es6*/
+
+function * generator() {
+}
+```
+
+When using `"end"` this placement will be enforced:
+
+```js
+/*eslint-env es6*/
+
+function *generator() {
+}
+```
+
+When using the expression syntax `"start"` will be enforced here:
+
+```js
+/*eslint-env es6*/
+
+var generator = function* () {
+}
+```
+
+When using the expression syntax `"middle"` will be enforced here:
+
+```js
+/*eslint-env es6*/
+
+var generator = function * () {
+}
+```
+
+When using the expression syntax `"end"` will be enforced here:
+
+```js
+/*eslint-env es6*/
+
+var generator = function *() {
+}
+```
+
+When using the expression syntax this is valid for both `"start"` and `"end"`:
+
+```js
+/*eslint-env es6*/
+
+var generator = function*() {
+}
+```
+
+The shortened object literal syntax for generators is not affected by this rule.
+
+## When Not To Use It
+
+If your project will not be using generators you do not need this rule.
+
+## Further Reading
+
+* [Understanding ES6: Generators](https://leanpub.com/understandinges6/read/#leanpub-auto-generators)
diff --git a/eslint/docs/rules/getter-return.md b/eslint/docs/rules/getter-return.md
new file mode 100644
index 0000000..c49f39d
--- /dev/null
+++ b/eslint/docs/rules/getter-return.md
@@ -0,0 +1,97 @@
+# Enforces that a return statement is present in property getters (getter-return)
+
+The get syntax binds an object property to a function that will be called when that property is looked up. It was first introduced in ECMAScript 5:
+
+```js
+    var p = {
+        get name(){
+            return "nicholas";
+        }
+    };
+
+    Object.defineProperty(p, "age", {
+        get: function (){
+            return 17;
+        }
+    });
+```
+
+Note that every `getter` is expected to return a value.
+
+## Rule Details
+
+This rule enforces that a return statement is present in property getters.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint getter-return: "error"*/
+
+p = {
+    get name(){
+        // no returns.
+    }
+};
+
+Object.defineProperty(p, "age", {
+    get: function (){
+        // no returns.
+    }
+});
+
+class P{
+    get name(){
+        // no returns.
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint getter-return: "error"*/
+
+p = {
+    get name(){
+        return "nicholas";
+    }
+};
+
+Object.defineProperty(p, "age", {
+    get: function (){
+        return 18;
+    }
+});
+
+class P{
+    get name(){
+        return "nicholas";
+    }
+}
+```
+
+## Options
+
+This rule has an object option:
+
+* `"allowImplicit": false` (default) disallows implicitly returning `undefined` with a `return` statement.
+
+Examples of **correct** code for the `{ "allowImplicit": true }` option:
+
+```js
+/*eslint getter-return: ["error", { allowImplicit: true }]*/
+p = {
+    get name(){
+        return; // return undefined implicitly.
+    }
+};
+```
+
+## When Not To Use It
+
+If your project will not be using ES5 property getters you do not need this rule.
+
+## Further Reading
+
+* [MDN: Functions getter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get)
+* [Understanding ES6: Accessor Properties](https://leanpub.com/understandinges6/read/#leanpub-auto-accessor-properties)
diff --git a/eslint/docs/rules/global-require.md b/eslint/docs/rules/global-require.md
new file mode 100644
index 0000000..c31134d
--- /dev/null
+++ b/eslint/docs/rules/global-require.md
@@ -0,0 +1,89 @@
+# Enforce require() on the top-level module scope (global-require)
+
+In Node.js, module dependencies are included using the `require()` function, such as:
+
+```js
+var fs = require("fs");
+```
+
+While `require()` may be called anywhere in code, some style guides prescribe that it should be called only in the top level of a module to make it easier to identify dependencies. For instance, it's arguably harder to identify dependencies when they are deeply nested inside of functions and other statements:
+
+```js
+function foo() {
+
+    if (condition) {
+        var fs = require("fs");
+    }
+}
+```
+
+Since `require()` does a synchronous load, it can cause performance problems when used in other locations.
+
+Further, ES6 modules mandate that `import` and `export` statements can only occur in the top level of the module's body.
+
+## Rule Details
+
+This rule requires all calls to `require()` to be at the top level of the module, similar to ES6 `import` and `export` statements, which also can occur only at the top level.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint global-require: "error"*/
+/*eslint-env es6*/
+
+// calling require() inside of a function is not allowed
+function readFile(filename, callback) {
+    var fs = require('fs');
+    fs.readFile(filename, callback)
+}
+
+// conditional requires like this are also not allowed
+if (DEBUG) { require('debug'); }
+
+// a require() in a switch statement is also flagged
+switch(x) { case '1': require('1'); break; }
+
+// you may not require() inside an arrow function body
+var getModule = (name) => require(name);
+
+// you may not require() inside of a function body as well
+function getModule(name) { return require(name); }
+
+// you may not require() inside of a try/catch block
+try {
+    require(unsafeModule);
+} catch(e) {
+    console.log(e);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint global-require: "error"*/
+
+// all these variations of require() are ok
+require('x');
+var y = require('y');
+var z;
+z = require('z').initialize();
+
+// requiring a module and using it in a function is ok
+var fs = require('fs');
+function readFile(filename, callback) {
+    fs.readFile(filename, callback)
+}
+
+// you can use a ternary to determine which module to require
+var logger = DEBUG ? require('dev-logger') : require('logger');
+
+// if you want you can require() at the end of your module
+function doSomethingA() {}
+function doSomethingB() {}
+var x = require("x"),
+    z = require("z");
+```
+
+## When Not To Use It
+
+If you have a module that must be initialized with information that comes from the file-system or if a module is only used in very rare situations and will cause significant overhead to load it may make sense to disable the rule. If you need to `require()` an optional dependency inside of a `try`/`catch`, you can disable this rule for just that dependency using the `// eslint-disable-line global-require` comment.
diff --git a/eslint/docs/rules/global-strict.md b/eslint/docs/rules/global-strict.md
new file mode 100644
index 0000000..5fbba7b
--- /dev/null
+++ b/eslint/docs/rules/global-strict.md
@@ -0,0 +1,61 @@
+# global-strict: require or disallow strict mode directives in the global scope
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [strict](strict.md) rule. The `"global"` option in the new rule is most similar to the removed rule.
+
+Strict mode is enabled by using the following pragma in your code:
+
+```js
+"use strict";
+```
+
+When used globally, as in this example, the strict mode pragma applies to all code within a single file. This can be dangerous if you concatenate scripts together before serving them to a browser. For instance, if you have a file running in strict mode and you concatenate that file with jQuery, the strict mode now also applies to jQuery and may cause errors.
+
+However, if you're using Node.js, you may want to turn strict mode on globally. Files are typically not concatenated together in Node.js projects and therefore the risk of applying strict mode accidentally is minimal. Further, since every file in Node.js has its own scope, global strict mode only effects the single file in which it is placed.
+
+## Rule Details
+
+This rule requires or disallows global strict mode invoked by a `"use strict"` pragma in the global scope.
+
+The following pattern is under strict mode globally and is considered valid with the `"always"` option and a warning with the `"never"` option.
+
+```js
+"use strict";
+
+function foo() {
+    return true;
+}
+```
+
+The following patterns apply strict mode only to functions so are valid with the `"never"` option but are problems with the `"always"` option.
+
+```js
+function foo() {
+    "use strict";
+
+    return true;
+}
+
+(function() {
+    "use strict";
+
+    // other code
+}());
+```
+
+## Options
+
+```json
+"global-strict": ["error", "always"]
+```
+
+Requires that every file have a top-level `"use strict"` statement.
+
+```json
+"global-strict": ["error", "never"]
+```
+
+Warns whenever `"use strict"` is used in the global scope such that it could contaminate concatenated files.
+
+## When Not To Use It
+
+When a project may use non-strict-mode code side by side with strict-mode code and the files are not concatenated, the decision to use global strict mode can be made on an individual basis, rendering this rule unnecessary.
diff --git a/eslint/docs/rules/grouped-accessor-pairs.md b/eslint/docs/rules/grouped-accessor-pairs.md
new file mode 100644
index 0000000..60848d1
--- /dev/null
+++ b/eslint/docs/rules/grouped-accessor-pairs.md
@@ -0,0 +1,326 @@
+# Require grouped accessor pairs in object literals and classes (grouped-accessor-pairs)
+
+A getter and setter for the same property don't necessarily have to be defined adjacent to each other.
+
+For example, the following statements would create the same object:
+
+```js
+var o = {
+    get a() {
+        return this.val;
+    },
+    set a(value) {
+        this.val = value;
+    },
+    b: 1
+};
+
+var o = {
+    get a() {
+        return this.val;
+    },
+    b: 1,
+    set a(value) {
+        this.val = value;
+    }
+};
+```
+
+While it is allowed to define the pair for a getter or a setter anywhere in an object or class definition, it's considered a best practice to group accessor functions for the same property.
+
+In other words, if a property has a getter and a setter, the setter should be defined right after the getter, or vice versa.
+
+## Rule Details
+
+This rule requires grouped definitions of accessor functions for the same property in object literals, class declarations and class expressions.
+
+Optionally, this rule can also enforce consistent order (`getBeforeSet` or `setBeforeGet`).
+
+This rule does not enforce the existence of the pair for a getter or a setter. See [accessor-pairs](accessor-pairs.md) if you also want to enforce getter/setter pairs.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint grouped-accessor-pairs: "error"*/
+
+var foo = {
+    get a() {
+        return this.val;
+    },
+    b: 1,
+    set a(value) {
+        this.val = value;
+    }
+};
+
+var bar = {
+    set b(value) {
+        this.val = value;
+    },
+    a: 1,
+    get b() {
+        return this.val;
+    }
+}
+
+class Foo {
+    set a(value) {
+        this.val = value;
+    }
+    b(){}
+    get a() {
+        return this.val;
+    }
+}
+
+const Bar = class {
+    static get a() {
+        return this.val;
+    }
+    b(){}
+    static set a(value) {
+        this.val = value;
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint grouped-accessor-pairs: "error"*/
+
+var foo = {
+    get a() {
+        return this.val;
+    },
+    set a(value) {
+        this.val = value;
+    },
+    b: 1
+};
+
+var bar = {
+    set b(value) {
+        this.val = value;
+    },
+    get b() {
+        return this.val;
+    },
+    a: 1
+}
+
+class Foo {
+    set a(value) {
+        this.val = value;
+    }
+    get a() {
+        return this.val;
+    }
+    b(){}
+}
+
+const Bar = class {
+    static get a() {
+        return this.val;
+    }
+    static set a(value) {
+        this.val = value;
+    }
+    b(){}
+}
+```
+
+## Options
+
+This rule has a string option:
+
+* `"anyOrder"` (default) does not enforce order.
+* `"getBeforeSet"` if a property has both getter and setter, requires the getter to be defined before the setter.
+* `"setBeforeGet"` if a property has both getter and setter, requires the setter to be defined before the getter.
+
+### getBeforeSet
+
+Examples of **incorrect** code for this rule with the `"getBeforeSet"` option:
+
+```js
+/*eslint grouped-accessor-pairs: ["error", "getBeforeSet"]*/
+
+var foo = {
+    set a(value) {
+        this.val = value;
+    },
+    get a() {
+        return this.val;
+    }
+};
+
+class Foo {
+    set a(value) {
+        this.val = value;
+    }
+    get a() {
+        return this.val;
+    }
+}
+
+const Bar = class {
+    static set a(value) {
+        this.val = value;
+    }
+    static get a() {
+        return this.val;
+    }
+}
+```
+
+Examples of **correct** code for this rule with the `"getBeforeSet"` option:
+
+```js
+/*eslint grouped-accessor-pairs: ["error", "getBeforeSet"]*/
+
+var foo = {
+    get a() {
+        return this.val;
+    },
+    set a(value) {
+        this.val = value;
+    }
+};
+
+class Foo {
+    get a() {
+        return this.val;
+    }
+    set a(value) {
+        this.val = value;
+    }
+}
+
+const Bar = class {
+    static get a() {
+        return this.val;
+    }
+    static set a(value) {
+        this.val = value;
+    }
+}
+```
+
+### setBeforeGet
+
+Examples of **incorrect** code for this rule with the `"setBeforeGet"` option:
+
+```js
+/*eslint grouped-accessor-pairs: ["error", "setBeforeGet"]*/
+
+var foo = {
+    get a() {
+        return this.val;
+    },
+    set a(value) {
+        this.val = value;
+    }
+};
+
+class Foo {
+    get a() {
+        return this.val;
+    }
+    set a(value) {
+        this.val = value;
+    }
+}
+
+const Bar = class {
+    static get a() {
+        return this.val;
+    }
+    static set a(value) {
+        this.val = value;
+    }
+}
+```
+
+Examples of **correct** code for this rule with the `"setBeforeGet"` option:
+
+```js
+/*eslint grouped-accessor-pairs: ["error", "setBeforeGet"]*/
+
+var foo = {
+    set a(value) {
+        this.val = value;
+    },
+    get a() {
+        return this.val;
+    }
+};
+
+class Foo {
+    set a(value) {
+        this.val = value;
+    }
+    get a() {
+        return this.val;
+    }
+}
+
+const Bar = class {
+    static set a(value) {
+        this.val = value;
+    }
+    static get a() {
+        return this.val;
+    }
+}
+```
+
+## Known Limitations
+
+Due to the limits of static analysis, this rule does not account for possible side effects and in certain cases
+might require or miss to require grouping or order for getters/setters that have a computed key, like in the following example:
+
+```js
+/*eslint grouped-accessor-pairs: "error"*/
+
+var a = 1;
+
+// false warning (false positive)
+var foo = {
+    get [a++]() {
+        return this.val;
+    },
+    b: 1,
+    set [a++](value) {
+        this.val = value;
+    }
+};
+
+// missed warning (false negative)
+var bar = {
+    get [++a]() {
+        return this.val;
+    },
+    b: 1,
+    set [a](value) {
+        this.val = value;
+    }
+};
+```
+
+Also, this rule does not report any warnings for properties that have duplicate getters or setters.
+
+See [no-dupe-keys](no-dupe-keys.md) if you also want to disallow duplicate keys in object literals.
+
+See [no-dupe-class-members](no-dupe-class-members.md) if you also want to disallow duplicate names in class definitions.
+
+## Further Reading
+
+* [Object Setters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set)
+* [Object Getters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get)
+* [Classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes)
+
+## Related Rules
+
+* [accessor-pairs](accessor-pairs.md)
+* [no-dupe-keys](no-dupe-keys.md)
+* [no-dupe-class-members](no-dupe-class-members.md)
diff --git a/eslint/docs/rules/guard-for-in.md b/eslint/docs/rules/guard-for-in.md
new file mode 100644
index 0000000..28dc163
--- /dev/null
+++ b/eslint/docs/rules/guard-for-in.md
@@ -0,0 +1,52 @@
+# Require Guarding for-in (guard-for-in)
+
+Looping over objects with a `for in` loop will include properties that are inherited through the prototype chain. This behavior can lead to unexpected items in your for loop.
+
+```js
+for (key in foo) {
+    doSomething(key);
+}
+```
+
+Note that simply checking `foo.hasOwnProperty(key)` is likely to cause an error in some cases; see [no-prototype-builtins](no-prototype-builtins.md).
+
+## Rule Details
+
+This rule is aimed at preventing unexpected behavior that could arise from using a `for in` loop without filtering the results in the loop. As such, it will warn when `for in` loops do not filter their results with an `if` statement.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint guard-for-in: "error"*/
+
+for (key in foo) {
+    doSomething(key);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint guard-for-in: "error"*/
+
+for (key in foo) {
+    if (Object.prototype.hasOwnProperty.call(foo, key)) {
+        doSomething(key);
+    }
+}
+
+for (key in foo) {
+    if ({}.hasOwnProperty.call(foo, key)) {
+        doSomething(key);
+    }
+}
+```
+
+## Related Rules
+
+* [no-prototype-builtins](no-prototype-builtins.md)
+
+## Further Reading
+
+* [Exploring JavaScript for-in loops](https://javascriptweblog.wordpress.com/2011/01/04/exploring-javascript-for-in-loops/)
+* [The pitfalls of using objects as maps in JavaScript](http://2ality.com/2012/01/objects-as-maps.html)
diff --git a/eslint/docs/rules/handle-callback-err.md b/eslint/docs/rules/handle-callback-err.md
new file mode 100644
index 0000000..5733e42
--- /dev/null
+++ b/eslint/docs/rules/handle-callback-err.md
@@ -0,0 +1,81 @@
+# Enforce Callback Error Handling (handle-callback-err)
+
+In Node.js, a common pattern for dealing with asynchronous behavior is called the callback pattern.
+This pattern expects an `Error` object or `null` as the first argument of the callback.
+Forgetting to handle these errors can lead to some really strange behavior in your application.
+
+```js
+function loadData (err, data) {
+    doSomething(); // forgot to handle error
+}
+```
+
+## Rule Details
+
+This rule expects that when you're using the callback pattern in Node.js you'll handle the error.
+
+## Options
+
+The rule takes a single string option: the name of the error parameter. The default is `"err"`.
+
+Examples of **incorrect** code for this rule with the default `"err"` parameter name:
+
+```js
+/*eslint handle-callback-err: "error"*/
+
+function loadData (err, data) {
+    doSomething();
+}
+
+```
+
+Examples of **correct** code for this rule with the default `"err"` parameter name:
+
+```js
+/*eslint handle-callback-err: "error"*/
+
+function loadData (err, data) {
+    if (err) {
+        console.log(err.stack);
+    }
+    doSomething();
+}
+
+function generateError (err) {
+    if (err) {}
+}
+```
+
+Examples of **correct** code for this rule with a sample `"error"` parameter name:
+
+```js
+/*eslint handle-callback-err: ["error", "error"]*/
+
+function loadData (error, data) {
+    if (error) {
+       console.log(error.stack);
+    }
+    doSomething();
+}
+```
+
+### regular expression
+
+Sometimes (especially in big projects) the name of the error variable is not consistent across the project,
+so you need a more flexible configuration to ensure that the rule reports all unhandled errors.
+
+If the configured name of the error variable begins with a `^` it is considered to be a regexp pattern.
+
+* If the option is `"^(err|error|anySpecificError)$"`, the rule reports unhandled errors where the parameter name can be `err`, `error` or `anySpecificError`.
+* If the option is `"^.+Error$"`, the rule reports unhandled errors where the parameter name ends with `Error` (for example, `connectionError` or `validationError` will match).
+* If the option is `"^.*(e|E)rr"`, the rule reports unhandled errors where the parameter name matches any string that contains `err` or `Err` (for example, `err`, `error`, `anyError`, `some_err` will match).
+
+## When Not To Use It
+
+There are cases where it may be safe for your application to ignore errors, however only ignore errors if you are
+confident that some other form of monitoring will help you catch the problem.
+
+## Further Reading
+
+* [The Art Of Node: Callbacks](https://github.com/maxogden/art-of-node#callbacks)
+* [Nodejitsu: What are the error conventions?](https://docs.nodejitsu.com/articles/errors/what-are-the-error-conventions/)
diff --git a/eslint/docs/rules/id-blacklist.md b/eslint/docs/rules/id-blacklist.md
new file mode 100644
index 0000000..a7685c4
--- /dev/null
+++ b/eslint/docs/rules/id-blacklist.md
@@ -0,0 +1,82 @@
+# disallow specified identifiers (id-blacklist)
+
+> "There are only two hard things in Computer Science: cache invalidation and naming things." — Phil Karlton
+
+Bad names can lead to hard-to-decipher code. Generic names, such as `data`, don't infer much about the code and the values it receives. This rule allows you to configure a blacklist of bad identifier names, that you don't want to see in your code.
+
+## Rule Details
+
+This rule disallows specified identifiers in assignments and `function` definitions.
+
+This rule will catch blacklisted identifiers that are:
+
+- variable declarations
+- function declarations
+- object properties assigned to during object creation
+
+It will not catch blacklisted identifiers that are:
+
+- function calls (so you can still use functions you do not have control over)
+- object properties (so you can still use objects you do not have control over)
+
+## Options
+
+The rule takes one or more strings as options: the names of restricted identifiers.
+
+For example, to restrict the use of common generic identifiers:
+
+```json
+{
+    "id-blacklist": ["error", "data", "err", "e", "cb", "callback"]
+}
+```
+
+Examples of **incorrect** code for this rule with sample `"data", "callback"` restricted identifiers:
+
+```js
+/*eslint id-blacklist: ["error", "data", "callback"] */
+
+var data = {...};
+
+function callback() {
+    // ...
+}
+
+element.callback = function() {
+    // ...
+};
+
+var itemSet = {
+    data: [...]
+};
+```
+
+Examples of **correct** code for this rule with sample `"data", "callback"` restricted identifiers:
+
+```js
+/*eslint id-blacklist: ["error", "data", "callback"] */
+
+var encodingOptions = {...};
+
+function processFileResult() {
+    // ...
+}
+
+element.successHandler = function() {
+    // ...
+};
+
+var itemSet = {
+    entities: [...]
+};
+
+callback(); // all function calls are ignored
+
+foo.callback(); // all function calls are ignored
+
+foo.data; // all property names that are not assignments are ignored
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are happy for identifiers to be named freely.
diff --git a/eslint/docs/rules/id-length.md b/eslint/docs/rules/id-length.md
new file mode 100644
index 0000000..f9f6de1
--- /dev/null
+++ b/eslint/docs/rules/id-length.md
@@ -0,0 +1,225 @@
+# enforce minimum and maximum identifier lengths (id-length)
+
+Very short identifier names like `e`, `x`, `_t` or very long ones like `hashGeneratorResultOutputContainerObject` can make code harder to read and potentially less maintainable. To prevent this, one may enforce a minimum and/or maximum identifier length.
+
+```js
+var x = 5; // too short; difficult to understand its purpose without context
+```
+
+## Rule Details
+
+This rule enforces a minimum and/or maximum identifier length convention.
+
+## Options
+
+Examples of **incorrect** code for this rule with the default options:
+
+```js
+/*eslint id-length: "error"*/     // default is minimum 2-chars ({ "min": 2 })
+/*eslint-env es6*/
+
+var x = 5;
+obj.e = document.body;
+var foo = function (e) { };
+try {
+    dangerousStuff();
+} catch (e) {
+    // ignore as many do
+}
+var myObj = { a: 1 };
+(a) => { a * a };
+class x { }
+class Foo { x() {} }
+function foo(...x) { }
+function foo([x]) { }
+var [x] = arr;
+var { prop: [x]} = {};
+function foo({x}) { }
+var { x } = {};
+var { prop: a} = {};
+({ prop: obj.x } = {});
+```
+
+Examples of **correct** code for this rule with the default options:
+
+```js
+/*eslint id-length: "error"*/     // default is minimum 2-chars ({ "min": 2 })
+/*eslint-env es6*/
+
+var num = 5;
+function _f() { return 42; }
+function _func() { return 42; }
+obj.el = document.body;
+var foo = function (evt) { /* do stuff */ };
+try {
+    dangerousStuff();
+} catch (error) {
+    // ignore as many do
+}
+var myObj = { apple: 1 };
+(num) => { num * num };
+function foo(num = 0) { }
+class MyClass { }
+class Foo { method() {} }
+function foo(...args) { }
+function foo([longName]) { }
+var { prop } = {};
+var { prop: [longName] } = {};
+var [longName] = arr;
+function foo({ prop }) { }
+function foo({ a: prop }) { }
+var { prop } = {};
+var { a: prop } = {};
+({ prop: obj.longName } = {});
+var data = { "x": 1 };  // excused because of quotes
+data["y"] = 3;  // excused because of calculated property access
+```
+
+This rule has an object option:
+
+* `"min"` (default: 2) enforces a minimum identifier length
+* `"max"` (default: Infinity) enforces a maximum identifier length
+* `"properties": always` (default) enforces identifier length convention for property names
+* `"properties": never` ignores identifier length convention for property names
+* `"exceptions"` allows an array of specified identifier names
+
+### min
+
+Examples of **incorrect** code for this rule with the `{ "min": 4 }` option:
+
+```js
+/*eslint id-length: ["error", { "min": 4 }]*/
+/*eslint-env es6*/
+
+var val = 5;
+obj.e = document.body;
+function foo (e) { };
+try {
+    dangerousStuff();
+} catch (e) {
+    // ignore as many do
+}
+var myObj = { a: 1 };
+(val) => { val * val };
+class x { }
+class Foo { x() {} }
+function foo(...x) { }
+var { x } = {};
+var { prop: a} = {};
+var [x] = arr;
+var { prop: [x]} = {};
+({ prop: obj.x } = {});
+```
+
+Examples of **correct** code for this rule with the `{ "min": 4 }` option:
+
+```js
+/*eslint id-length: ["error", { "min": 4 }]*/
+/*eslint-env es6*/
+
+var value = 5;
+function func() { return 42; }
+obj.element = document.body;
+var foobar = function (event) { /* do stuff */ };
+try {
+    dangerousStuff();
+} catch (error) {
+    // ignore as many do
+}
+var myObj = { apple: 1 };
+(value) => { value * value };
+function foobar(value = 0) { }
+class MyClass { }
+class Foobar { method() {} }
+function foobar(...args) { }
+var { prop } = {};
+var [longName] = foo;
+var { a: [prop] } = {};
+var { a: longName } = {};
+({ prop: obj.name } = {});
+var data = { "x": 1 };  // excused because of quotes
+data["y"] = 3;  // excused because of calculated property access
+```
+
+### max
+
+Examples of **incorrect** code for this rule with the `{ "max": 10 }` option:
+
+```js
+/*eslint id-length: ["error", { "max": 10 }]*/
+/*eslint-env es6*/
+
+var reallyLongVarName = 5;
+function reallyLongFuncName() { return 42; }
+obj.reallyLongPropName = document.body;
+var foo = function (reallyLongArgName) { /* do stuff */ };
+try {
+    dangerousStuff();
+} catch (reallyLongErrorName) {
+    // ignore as many do
+}
+(reallyLongArgName) => { return !reallyLongArgName; };
+var [reallyLongFirstElementName] = arr;
+```
+
+Examples of **correct** code for this rule with the `{ "max": 10 }` option:
+
+```js
+/*eslint id-length: ["error", { "max": 10 }]*/
+/*eslint-env es6*/
+
+var varName = 5;
+function funcName() { return 42; }
+obj.propName = document.body;
+var foo = function (arg) { /* do stuff */ };
+try {
+    dangerousStuff();
+} catch (error) {
+    // ignore as many do
+}
+(arg) => { return !arg; };
+var [first] = arr;
+```
+
+### properties
+
+Examples of **correct** code for this rule with the `{ "properties": "never" }` option:
+
+```js
+/*eslint id-length: ["error", { "properties": "never" }]*/
+/*eslint-env es6*/
+
+var myObj = { a: 1 };
+({ a: obj.x.y.z } = {});
+({ prop: obj.i } = {});
+```
+
+### exceptions
+
+Examples of additional **correct** code for this rule with the `{ "exceptions": ["x"] }` option:
+
+```js
+/*eslint id-length: ["error", { "exceptions": ["x"] }]*/
+/*eslint-env es6*/
+
+var x = 5;
+function x() { return 42; }
+obj.x = document.body;
+var foo = function (x) { /* do stuff */ };
+try {
+    dangerousStuff();
+} catch (x) {
+    // ignore as many do
+}
+(x) => { return x * x; };
+var [x] = arr;
+const { x } = foo;
+const { a: x } = foo;
+```
+
+## Related Rules
+
+* [max-len](max-len.md)
+* [new-cap](new-cap.md)
+* [func-names](func-names.md)
+* [camelcase](camelcase.md)
diff --git a/eslint/docs/rules/id-match.md b/eslint/docs/rules/id-match.md
new file mode 100644
index 0000000..0d9deeb
--- /dev/null
+++ b/eslint/docs/rules/id-match.md
@@ -0,0 +1,131 @@
+# require identifiers to match a specified regular expression (id-match)
+
+> "There are only two hard things in Computer Science: cache invalidation and naming things." — Phil Karlton
+
+Naming things consistently in a project is an often underestimated aspect of code creation.
+When done correctly, it can save your team hours of unnecessary head scratching and misdirections.
+This rule allows you to precisely define and enforce the variables and function names on your team should use.
+No more limiting yourself to camelCase, snake_case, PascalCase or oHungarianNotation. Id-match has all your needs covered!
+
+## Rule Details
+
+This rule requires identifiers in assignments and `function` definitions to match a specified regular expression.
+
+## Options
+
+This rule has a string option for the specified regular expression.
+
+For example, to enforce a camelcase naming convention:
+
+```json
+{
+    "id-match": ["error", "^[a-z]+([A-Z][a-z]+)*$"]
+}
+```
+
+Examples of **incorrect** code for this rule with the `"^[a-z]+([A-Z][a-z]+)*$"` option:
+
+```js
+/*eslint id-match: ["error", "^[a-z]+([A-Z][a-z]+)*$"]*/
+
+var my_favorite_color = "#112C85";
+var _myFavoriteColor  = "#112C85";
+var myFavoriteColor_  = "#112C85";
+var MY_FAVORITE_COLOR = "#112C85";
+function do_something() {
+    // ...
+}
+obj.do_something = function() {
+    // ...
+};
+```
+
+Examples of **correct** code for this rule with the `"^[a-z]+([A-Z][a-z]+)*$"` option:
+
+```js
+/*eslint id-match: ["error", "^[a-z]+([A-Z][a-z]+)*$"]*/
+
+var myFavoriteColor   = "#112C85";
+var foo = bar.baz_boom;
+var foo = { qux: bar.baz_boom };
+do_something();
+var obj = {
+    my_pref: 1
+};
+```
+
+This rule has an object option:
+
+* `"properties": true` requires object properties to match the specified regular expression
+* `"onlyDeclarations": true` requires only `var`, `function`, and `class` declarations to match the specified regular expression
+* `"onlyDeclarations": false` requires all variable names to match the specified regular expression
+* `"ignoreDestructuring": false` (default) enforces `id-match` for destructured identifiers
+* `"ignoreDestructuring": true` does not check destructured identifiers
+
+### properties
+
+Examples of **incorrect** code for this rule with the `"^[a-z]+([A-Z][a-z]+)*$", { "properties": true }` options:
+
+```js
+/*eslint id-match: ["error", "^[a-z]+([A-Z][a-z]+)*$", { "properties": true }]*/
+
+var obj = {
+    my_pref: 1
+};
+```
+
+### onlyDeclarations
+
+Examples of **correct** code for this rule with the `"^[a-z]+([A-Z][a-z]+)*$", { "onlyDeclarations": true }` options:
+
+```js
+/*eslint id-match: [2, "^[a-z]+([A-Z][a-z]+)*$", { "onlyDeclarations": true }]*/
+
+do_something(__dirname);
+```
+
+### ignoreDestructuring: false
+
+Examples of **incorrect** code for this rule with the default `"^[^_]+$", { "ignoreDestructuring": false }` option:
+
+```js
+/*eslint id-match: [2, "^[^_]+$", { "ignoreDestructuring": false }]*/
+
+var { category_id } = query;
+
+var { category_id = 1 } = query;
+
+var { category_id: category_id } = query;
+
+var { category_id: category_alias } = query;
+
+var { category_id: categoryId, ...other_props } = query;
+```
+
+### ignoreDestructuring: true
+
+Examples of **incorrect** code for this rule with the `"^[^_]+$", { "ignoreDestructuring": true }` option:
+
+```js
+/*eslint id-match: [2, "^[^_]+$", { "ignoreDestructuring": true }]*/
+
+var { category_id: category_alias } = query;
+
+var { category_id, ...other_props } = query;
+```
+
+Examples of **correct** code for this rule with the `"^[^_]+$", { "ignoreDestructuring": true }` option:
+
+```js
+/*eslint id-match: [2, "^[^_]+$", { "ignoreDestructuring": true }]*/
+
+var { category_id } = query;
+
+var { category_id = 1 } = query;
+
+var { category_id: category_id } = query;
+```
+
+## When Not To Use It
+
+If you don't want to enforce any particular naming convention for all identifiers, or your naming convention is too complex to be enforced by configuring this rule, then you should not enable this rule.
diff --git a/eslint/docs/rules/implicit-arrow-linebreak.md b/eslint/docs/rules/implicit-arrow-linebreak.md
new file mode 100644
index 0000000..a1a2355
--- /dev/null
+++ b/eslint/docs/rules/implicit-arrow-linebreak.md
@@ -0,0 +1,101 @@
+# Enforce the location of arrow function bodies with implicit returns (implicit-arrow-linebreak)
+
+An arrow function body can contain an implicit return as an expression instead of a block body. It can be useful to enforce a consistent location for the implicitly returned expression.
+
+## Rule Details
+
+This rule aims to enforce a consistent location for an arrow function containing an implicit return.
+
+See Also:
+
+- [`brace-style`](https://eslint.org/docs/rules/brace-style) which enforces this behavior for arrow functions with block bodies.
+
+### Options
+
+This rule accepts a string option:
+
+- `"beside"` (default) disallows a newline before an arrow function body.
+- `"below"` requires a newline before an arrow function body.
+
+Examples of **incorrect** code for this rule with the default `"beside"` option:
+
+```js
+/* eslint implicit-arrow-linebreak: ["error", "beside"] */
+
+(foo) =>
+  bar;
+
+(foo) =>
+  (bar);
+
+(foo) =>
+  bar =>
+    baz;
+
+(foo) =>
+(
+  bar()
+);
+```
+
+Examples of **correct** code for this rule with the default `"beside"` option:
+
+```js
+/* eslint implicit-arrow-linebreak: ["error", "beside"] */
+
+(foo) => bar;
+
+(foo) => (bar);
+
+(foo) => bar => baz;
+
+(foo) => (
+  bar()
+);
+
+// functions with block bodies allowed with this rule using any style
+// to enforce a consistent location for this case, see the rule: `brace-style`
+(foo) => {
+  return bar();
+}
+
+(foo) =>
+{
+  return bar();
+}
+```
+
+Examples of **incorrect** code for this rule with the `"below"` option:
+
+```js
+/* eslint implicit-arrow-linebreak: ["error", "below"] */
+
+(foo) => bar;
+
+(foo) => (bar);
+
+(foo) => bar => baz;
+```
+
+Examples of **correct** code for this rule with the `"below"` option:
+
+```js
+/* eslint implicit-arrow-linebreak: ["error", "below"] */
+
+
+(foo) =>
+  bar;
+
+(foo) =>
+  (bar);
+
+(foo) =>
+  bar =>
+    baz;
+```
+
+## When Not To Use It
+
+If you're not concerned about consistent locations of implicitly returned arrow function expressions, you should not turn on this rule.
+
+You can also disable this rule if you are using the `"always"` option for the [`arrow-body-style`](https://eslint.org/docs/rules/arrow-body-style), since this will disable the use of implicit returns in arrow functions.
diff --git a/eslint/docs/rules/indent-legacy.md b/eslint/docs/rules/indent-legacy.md
new file mode 100644
index 0000000..45ef1a6
--- /dev/null
+++ b/eslint/docs/rules/indent-legacy.md
@@ -0,0 +1,532 @@
+# enforce consistent indentation (indent-legacy)
+
+ESLint 4.0.0 introduced a rewrite of the [`indent`](/docs/rules/indent) rule, which now reports more errors than it did in previous versions. To ease the process of migrating to 4.0.0, the `indent-legacy` rule was introduced as a snapshot of the `indent` rule from ESLint 3.x. If your build is failing after the upgrade to 4.0.0, you can disable `indent` and enable `indent-legacy` as a quick fix. Eventually, you should switch back to the `indent` rule to get bugfixes and improvements in future versions.
+
+---
+
+There are several common guidelines which require specific indentation of nested blocks and statements, like:
+
+```js
+function hello(indentSize, type) {
+    if (indentSize === 4 && type !== 'tab') {
+        console.log('Each next indentation will increase on 4 spaces');
+    }
+}
+```
+
+These are the most common scenarios recommended in different style guides:
+
+* Two spaces, not longer and no tabs: Google, npm, Node.js, Idiomatic, Felix
+* Tabs: jQuery
+* Four spaces: Crockford
+
+## Rule Details
+
+This rule enforces a consistent indentation style. The default style is `4 spaces`.
+
+## Options
+
+This rule has a mixed option:
+
+For example, for 2-space indentation:
+
+```json
+{
+    "indent": ["error", 2]
+}
+```
+
+Or for tabbed indentation:
+
+```json
+{
+    "indent": ["error", "tab"]
+}
+```
+
+Examples of **incorrect** code for this rule with the default options:
+
+```js
+/*eslint indent: "error"*/
+
+if (a) {
+  b=c;
+  function foo(d) {
+    e=f;
+  }
+}
+```
+
+Examples of **correct** code for this rule with the default options:
+
+```js
+/*eslint indent: "error"*/
+
+if (a) {
+    b=c;
+    function foo(d) {
+        e=f;
+    }
+}
+```
+
+This rule has an object option:
+
+* `"SwitchCase"` (default: 0) enforces indentation level for `case` clauses in `switch` statements
+* `"VariableDeclarator"` (default: 1) enforces indentation level for `var` declarators; can also take an object to define separate rules for `var`, `let` and `const` declarations.
+* `"outerIIFEBody"` (default: 1) enforces indentation level for file-level IIFEs.
+* `"MemberExpression"` (off by default) enforces indentation level for multi-line property chains (except in variable declarations and assignments)
+* `"FunctionDeclaration"` takes an object to define rules for function declarations.
+    * `parameters` (off by default) enforces indentation level for parameters in a function declaration. This can either be a number indicating indentation level, or the string `"first"` indicating that all parameters of the declaration must be aligned with the first parameter.
+    * `body` (default: 1) enforces indentation level for the body of a function declaration.
+* `"FunctionExpression"` takes an object to define rules for function expressions.
+    * `parameters` (off by default) enforces indentation level for parameters in a function expression. This can either be a number indicating indentation level, or the string `"first"` indicating that all parameters of the expression must be aligned with the first parameter.
+    * `body` (default: 1) enforces indentation level for the body of a function expression.
+* `"CallExpression"` takes an object to define rules for function call expressions.
+    * `arguments` (off by default) enforces indentation level for arguments in a call expression. This can either be a number indicating indentation level, or the string `"first"` indicating that all arguments of the expression must be aligned with the first argument.
+* `"ArrayExpression"` (default: 1) enforces indentation level for elements in arrays. It can also be set to the string `"first"`, indicating that all the elements in the array should be aligned with the first element.
+* `"ObjectExpression"` (default: 1) enforces indentation level for properties in objects. It can be set to the string `"first"`, indicating that all properties in the object should be aligned with the first property.
+
+Level of indentation denotes the multiple of the indent specified. Example:
+
+* Indent of 4 spaces with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 8 spaces.
+* Indent of 2 spaces with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 4 spaces.
+* Indent of 2 spaces with `VariableDeclarator` set to `{"var": 2, "let": 2, "const": 3}` will indent the multi-line variable declarations with 4 spaces for `var` and `let`, 6 spaces for `const` statements.
+* Indent of tab with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 2 tabs.
+* Indent of 2 spaces with `SwitchCase` set to `0` will not indent `case` clauses with respect to `switch` statements.
+* Indent of 2 spaces with `SwitchCase` set to `1` will indent `case` clauses with 2 spaces with respect to `switch` statements.
+* Indent of 2 spaces with `SwitchCase` set to `2` will indent `case` clauses with 4 spaces with respect to `switch` statements.
+* Indent of tab with `SwitchCase` set to `2` will indent `case` clauses with 2 tabs with respect to `switch` statements.
+* Indent of 2 spaces with `MemberExpression` set to `0` will indent the multi-line property chains with 0 spaces.
+* Indent of 2 spaces with `MemberExpression` set to `1` will indent the multi-line property chains with 2 spaces.
+* Indent of 2 spaces with `MemberExpression` set to `2` will indent the multi-line property chains with 4 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `0` will indent the multi-line property chains with 0 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `1` will indent the multi-line property chains with 4 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `2` will indent the multi-line property chains with 8 spaces.
+
+### tab
+
+Examples of **incorrect** code for this rule with the `"tab"` option:
+
+```js
+/*eslint indent: ["error", "tab"]*/
+
+if (a) {
+     b=c;
+function foo(d) {
+           e=f;
+ }
+}
+```
+
+Examples of **correct** code for this rule with the `"tab"` option:
+
+```js
+/*eslint indent: ["error", "tab"]*/
+
+if (a) {
+/*tab*/b=c;
+/*tab*/function foo(d) {
+/*tab*//*tab*/e=f;
+/*tab*/}
+}
+```
+
+### SwitchCase
+
+Examples of **incorrect** code for this rule with the `2, { "SwitchCase": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/
+
+switch(a){
+case "a":
+    break;
+case "b":
+    break;
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "SwitchCase": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/
+
+switch(a){
+  case "a":
+    break;
+  case "b":
+    break;
+}
+```
+
+### VariableDeclarator
+
+Examples of **incorrect** code for this rule with the `2, { "VariableDeclarator": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+    b = 2,
+    c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
+/*eslint-env es6*/
+
+var a,
+  b,
+  c;
+let a,
+  b,
+  c;
+const a = 1,
+  b = 2,
+  c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": 2 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 2 }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+    b = 2,
+    c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+      b = 2,
+      c = 3;
+```
+
+### outerIIFEBody
+
+Examples of **incorrect** code for this rule with the options `2, { "outerIIFEBody": 0 }`:
+
+```js
+/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/
+
+(function() {
+
+  function foo(x) {
+    return x + 1;
+  }
+
+})();
+
+
+if(y) {
+console.log('foo');
+}
+```
+
+Examples of **correct** code for this rule with the options `2, {"outerIIFEBody": 0}`:
+
+```js
+/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/
+
+(function() {
+
+function foo(x) {
+  return x + 1;
+}
+
+})();
+
+
+if(y) {
+   console.log('foo');
+}
+```
+
+### MemberExpression
+
+Examples of **incorrect** code for this rule with the `2, { "MemberExpression": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/
+
+foo
+.bar
+.baz()
+```
+
+Examples of **correct** code for this rule with the `2, { "MemberExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/
+
+foo
+  .bar
+  .baz();
+
+// Any indentation is permitted in variable declarations and assignments.
+var bip = aardvark.badger
+                  .coyote;
+```
+
+### FunctionDeclaration
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/
+
+function foo(bar,
+  baz,
+  qux) {
+    qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/
+
+function foo(bar,
+    baz,
+    qux) {
+  qux();
+}
+```
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionDeclaration": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/
+
+function foo(bar, baz,
+  qux, boop) {
+  qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionDeclaration": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/
+
+function foo(bar, baz,
+             qux, boop) {
+  qux();
+}
+```
+
+### FunctionExpression
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionExpression": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/
+
+var foo = function(bar,
+  baz,
+  qux) {
+    qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionExpression": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/
+
+var foo = function(bar,
+    baz,
+    qux) {
+  qux();
+}
+```
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionExpression": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/
+
+var foo = function(bar, baz,
+  qux, boop) {
+  qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionExpression": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/
+
+var foo = function(bar, baz,
+                   qux, boop) {
+  qux();
+}
+```
+
+### CallExpression
+
+Examples of **incorrect** code for this rule with the `2, { "CallExpression": {"arguments": 1} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/
+
+foo(bar,
+    baz,
+      qux
+);
+```
+
+Examples of **correct** code for this rule with the `2, { "CallExpression": {"arguments": 1} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/
+
+foo(bar,
+  baz,
+  qux
+);
+```
+
+Examples of **incorrect** code for this rule with the `2, { "CallExpression": {"arguments": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/
+
+foo(bar, baz,
+  baz, boop, beep);
+```
+
+Examples of **correct** code for this rule with the `2, { "CallExpression": {"arguments": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/
+
+foo(bar, baz,
+    baz, boop, beep);
+```
+
+### ArrayExpression
+
+Examples of **incorrect** code for this rule with the `2, { "ArrayExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/
+
+var foo = [
+    bar,
+baz,
+      qux
+];
+```
+
+Examples of **correct** code for this rule with the `2, { "ArrayExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/
+
+var foo = [
+  bar,
+  baz,
+  qux
+];
+```
+
+Examples of **incorrect** code for this rule with the `2, { "ArrayExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/
+
+var foo = [bar,
+  baz,
+  qux
+];
+```
+
+Examples of **correct** code for this rule with the `2, { "ArrayExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/
+
+var foo = [bar,
+           baz,
+           qux
+];
+```
+
+### ObjectExpression
+
+Examples of **incorrect** code for this rule with the `2, { "ObjectExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/
+
+var foo = {
+    bar: 1,
+baz: 2,
+      qux: 3
+};
+```
+
+Examples of **correct** code for this rule with the `2, { "ObjectExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/
+
+var foo = {
+  bar: 1,
+  baz: 2,
+  qux: 3
+};
+```
+
+Examples of **incorrect** code for this rule with the `2, { "ObjectExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/
+
+var foo = { bar: 1,
+  baz: 2 };
+```
+
+Examples of **correct** code for this rule with the `2, { "ObjectExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/
+
+var foo = { bar: 1,
+            baz: 2 };
+```
+
+## Compatibility
+
+* **JSHint**: `indent`
+* **JSCS**: [validateIndentation](https://jscs-dev.github.io/rule/validateIndentation)
diff --git a/eslint/docs/rules/indent.md b/eslint/docs/rules/indent.md
new file mode 100644
index 0000000..7c2e6b7
--- /dev/null
+++ b/eslint/docs/rules/indent.md
@@ -0,0 +1,795 @@
+# enforce consistent indentation (indent)
+
+There are several common guidelines which require specific indentation of nested blocks and statements, like:
+
+```js
+function hello(indentSize, type) {
+    if (indentSize === 4 && type !== 'tab') {
+        console.log('Each next indentation will increase on 4 spaces');
+    }
+}
+```
+
+These are the most common scenarios recommended in different style guides:
+
+* Two spaces, not longer and no tabs: Google, npm, Node.js, Idiomatic, Felix
+* Tabs: jQuery
+* Four spaces: Crockford
+
+## Rule Details
+
+This rule enforces a consistent indentation style. The default style is `4 spaces`.
+
+## Options
+
+This rule has a mixed option:
+
+For example, for 2-space indentation:
+
+```json
+{
+    "indent": ["error", 2]
+}
+```
+
+Or for tabbed indentation:
+
+```json
+{
+    "indent": ["error", "tab"]
+}
+```
+
+Examples of **incorrect** code for this rule with the default options:
+
+```js
+/*eslint indent: "error"*/
+
+if (a) {
+  b=c;
+  function foo(d) {
+    e=f;
+  }
+}
+```
+
+Examples of **correct** code for this rule with the default options:
+
+```js
+/*eslint indent: "error"*/
+
+if (a) {
+    b=c;
+    function foo(d) {
+        e=f;
+    }
+}
+```
+
+This rule has an object option:
+
+* `"SwitchCase"` (default: 0) enforces indentation level for `case` clauses in `switch` statements
+* `"VariableDeclarator"` (default: 1) enforces indentation level for `var` declarators; can also take an object to define separate rules for `var`, `let` and `const` declarations. It can also be `"first"`, indicating all the declarators should be aligned with the first declarator.
+* `"outerIIFEBody"` (default: 1) enforces indentation level for file-level IIFEs. This can also be set to `"off"` to disable checking for file-level IIFEs.
+* `"MemberExpression"` (default: 1) enforces indentation level for multi-line property chains. This can also be set to `"off"` to disable checking for MemberExpression indentation.
+* `"FunctionDeclaration"` takes an object to define rules for function declarations.
+    * `parameters` (default: 1) enforces indentation level for parameters in a function declaration. This can either be a number indicating indentation level, or the string `"first"` indicating that all parameters of the declaration must be aligned with the first parameter. This can also be set to `"off"` to disable checking for FunctionDeclaration parameters.
+    * `body` (default: 1) enforces indentation level for the body of a function declaration.
+* `"FunctionExpression"` takes an object to define rules for function expressions.
+    * `parameters` (default: 1) enforces indentation level for parameters in a function expression. This can either be a number indicating indentation level, or the string `"first"` indicating that all parameters of the expression must be aligned with the first parameter. This can also be set to `"off"` to disable checking for FunctionExpression parameters.
+    * `body` (default: 1) enforces indentation level for the body of a function expression.
+* `"CallExpression"` takes an object to define rules for function call expressions.
+    * `arguments` (default: 1) enforces indentation level for arguments in a call expression. This can either be a number indicating indentation level, or the string `"first"` indicating that all arguments of the expression must be aligned with the first argument. This can also be set to `"off"` to disable checking for CallExpression arguments.
+* `"ArrayExpression"` (default: 1) enforces indentation level for elements in arrays. It can also be set to the string `"first"`, indicating that all the elements in the array should be aligned with the first element. This can also be set to `"off"` to disable checking for array elements.
+* `"ObjectExpression"` (default: 1) enforces indentation level for properties in objects. It can be set to the string `"first"`, indicating that all properties in the object should be aligned with the first property. This can also be set to `"off"` to disable checking for object properties.
+* `"ImportDeclaration"` (default: 1) enforces indentation level for import statements. It can be set to the string `"first"`, indicating that all imported members from a module should be aligned with the first member in the list. This can also be set to `"off"` to disable checking for imported module members.
+* `"flatTernaryExpressions": true` (`false` by default) requires no indentation for ternary expressions which are nested in other ternary expressions.
+* `"offsetTernaryExpressions": true` (`false` by default) requires indentation for values of ternary expressions.
+* `"ignoredNodes"` accepts an array of [selectors](/docs/developer-guide/selectors.md). If an AST node is matched by any of the selectors, the indentation of tokens which are direct children of that node will be ignored. This can be used as an escape hatch to relax the rule if you disagree with the indentation that it enforces for a particular syntactic pattern.
+* `"ignoreComments"` (default: false) can be used when comments do not need to be aligned with nodes on the previous or next line.
+
+Level of indentation denotes the multiple of the indent specified. Example:
+
+* Indent of 4 spaces with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 8 spaces.
+* Indent of 2 spaces with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 4 spaces.
+* Indent of 2 spaces with `VariableDeclarator` set to `{"var": 2, "let": 2, "const": 3}` will indent the multi-line variable declarations with 4 spaces for `var` and `let`, 6 spaces for `const` statements.
+* Indent of tab with `VariableDeclarator` set to `2` will indent the multi-line variable declarations with 2 tabs.
+* Indent of 2 spaces with `SwitchCase` set to `0` will not indent `case` clauses with respect to `switch` statements.
+* Indent of 2 spaces with `SwitchCase` set to `1` will indent `case` clauses with 2 spaces with respect to `switch` statements.
+* Indent of 2 spaces with `SwitchCase` set to `2` will indent `case` clauses with 4 spaces with respect to `switch` statements.
+* Indent of tab with `SwitchCase` set to `2` will indent `case` clauses with 2 tabs with respect to `switch` statements.
+* Indent of 2 spaces with `MemberExpression` set to `0` will indent the multi-line property chains with 0 spaces.
+* Indent of 2 spaces with `MemberExpression` set to `1` will indent the multi-line property chains with 2 spaces.
+* Indent of 2 spaces with `MemberExpression` set to `2` will indent the multi-line property chains with 4 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `0` will indent the multi-line property chains with 0 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `1` will indent the multi-line property chains with 4 spaces.
+* Indent of 4 spaces with `MemberExpression` set to `2` will indent the multi-line property chains with 8 spaces.
+
+### tab
+
+Examples of **incorrect** code for this rule with the `"tab"` option:
+
+```js
+/*eslint indent: ["error", "tab"]*/
+
+if (a) {
+     b=c;
+function foo(d) {
+           e=f;
+ }
+}
+```
+
+Examples of **correct** code for this rule with the `"tab"` option:
+
+```js
+/*eslint indent: ["error", "tab"]*/
+
+if (a) {
+/*tab*/b=c;
+/*tab*/function foo(d) {
+/*tab*//*tab*/e=f;
+/*tab*/}
+}
+```
+
+### SwitchCase
+
+Examples of **incorrect** code for this rule with the `2, { "SwitchCase": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/
+
+switch(a){
+case "a":
+    break;
+case "b":
+    break;
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "SwitchCase": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "SwitchCase": 1 }]*/
+
+switch(a){
+  case "a":
+    break;
+  case "b":
+    break;
+}
+```
+
+### VariableDeclarator
+
+Examples of **incorrect** code for this rule with the `2, { "VariableDeclarator": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+    b = 2,
+    c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 1 }]*/
+/*eslint-env es6*/
+
+var a,
+  b,
+  c;
+let a,
+  b,
+  c;
+const a = 1,
+  b = 2,
+  c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": 2 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": 2 }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+    b = 2,
+    c = 3;
+```
+
+Examples of **incorrect** code for this rule with the `2, { "VariableDeclarator": "first" }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": "first" }]*/
+/*eslint-env es6*/
+
+var a,
+  b,
+  c;
+let a,
+  b,
+  c;
+const a = 1,
+  b = 2,
+  c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": "first" }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": "first" }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+      b = 2,
+      c = 3;
+```
+
+Examples of **correct** code for this rule with the `2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }` options:
+
+```js
+/*eslint indent: ["error", 2, { "VariableDeclarator": { "var": 2, "let": 2, "const": 3 } }]*/
+/*eslint-env es6*/
+
+var a,
+    b,
+    c;
+let a,
+    b,
+    c;
+const a = 1,
+      b = 2,
+      c = 3;
+```
+
+### outerIIFEBody
+
+Examples of **incorrect** code for this rule with the options `2, { "outerIIFEBody": 0 }`:
+
+```js
+/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/
+
+(function() {
+
+  function foo(x) {
+    return x + 1;
+  }
+
+})();
+
+
+if (y) {
+console.log('foo');
+}
+```
+
+Examples of **correct** code for this rule with the options `2, { "outerIIFEBody": 0 }`:
+
+```js
+/*eslint indent: ["error", 2, { "outerIIFEBody": 0 }]*/
+
+(function() {
+
+function foo(x) {
+  return x + 1;
+}
+
+})();
+
+
+if (y) {
+   console.log('foo');
+}
+```
+
+Examples of **correct** code for this rule with the options `2, { "outerIIFEBody":  "off" }`:
+
+```js
+/*eslint indent: ["error", 2, { "outerIIFEBody": "off" }]*/
+
+(function() {
+
+function foo(x) {
+  return x + 1;
+}
+
+})();
+
+(function() {
+
+  function foo(x) {
+    return x + 1;
+  }
+
+})();
+
+if (y) {
+  console.log('foo');
+}
+```
+
+### MemberExpression
+
+Examples of **incorrect** code for this rule with the `2, { "MemberExpression": 1 }` options:
+
+```js
+/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/
+
+foo
+.bar
+.baz()
+```
+
+Examples of **correct** code for this rule with the `2, { "MemberExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "MemberExpression": 1 }]*/
+
+foo
+  .bar
+  .baz();
+```
+
+### FunctionDeclaration
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/
+
+function foo(bar,
+  baz,
+  qux) {
+    qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionDeclaration": {"body": 1, "parameters": 2} }]*/
+
+function foo(bar,
+    baz,
+    qux) {
+  qux();
+}
+```
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionDeclaration": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/
+
+function foo(bar, baz,
+  qux, boop) {
+  qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionDeclaration": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionDeclaration": {"parameters": "first"}}]*/
+
+function foo(bar, baz,
+             qux, boop) {
+  qux();
+}
+```
+
+### FunctionExpression
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionExpression": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/
+
+var foo = function(bar,
+  baz,
+  qux) {
+    qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionExpression": {"body": 1, "parameters": 2} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "FunctionExpression": {"body": 1, "parameters": 2} }]*/
+
+var foo = function(bar,
+    baz,
+    qux) {
+  qux();
+}
+```
+
+Examples of **incorrect** code for this rule with the `2, { "FunctionExpression": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/
+
+var foo = function(bar, baz,
+  qux, boop) {
+  qux();
+}
+```
+
+Examples of **correct** code for this rule with the `2, { "FunctionExpression": {"parameters": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"FunctionExpression": {"parameters": "first"}}]*/
+
+var foo = function(bar, baz,
+                   qux, boop) {
+  qux();
+}
+```
+
+### CallExpression
+
+Examples of **incorrect** code for this rule with the `2, { "CallExpression": {"arguments": 1} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/
+
+foo(bar,
+    baz,
+      qux
+);
+```
+
+Examples of **correct** code for this rule with the `2, { "CallExpression": {"arguments": 1} }` option:
+
+```js
+/*eslint indent: ["error", 2, { "CallExpression": {"arguments": 1} }]*/
+
+foo(bar,
+  baz,
+  qux
+);
+```
+
+Examples of **incorrect** code for this rule with the `2, { "CallExpression": {"arguments": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/
+
+foo(bar, baz,
+  baz, boop, beep);
+```
+
+Examples of **correct** code for this rule with the `2, { "CallExpression": {"arguments": "first"} }` option:
+
+```js
+/*eslint indent: ["error", 2, {"CallExpression": {"arguments": "first"}}]*/
+
+foo(bar, baz,
+    baz, boop, beep);
+```
+
+### ArrayExpression
+
+Examples of **incorrect** code for this rule with the `2, { "ArrayExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/
+
+var foo = [
+    bar,
+baz,
+      qux
+];
+```
+
+Examples of **correct** code for this rule with the `2, { "ArrayExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ArrayExpression": 1 }]*/
+
+var foo = [
+  bar,
+  baz,
+  qux
+];
+```
+
+Examples of **incorrect** code for this rule with the `2, { "ArrayExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/
+
+var foo = [bar,
+  baz,
+  qux
+];
+```
+
+Examples of **correct** code for this rule with the `2, { "ArrayExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ArrayExpression": "first"}]*/
+
+var foo = [bar,
+           baz,
+           qux
+];
+```
+
+### ObjectExpression
+
+Examples of **incorrect** code for this rule with the `2, { "ObjectExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/
+
+var foo = {
+    bar: 1,
+baz: 2,
+      qux: 3
+};
+```
+
+Examples of **correct** code for this rule with the `2, { "ObjectExpression": 1 }` option:
+
+```js
+/*eslint indent: ["error", 2, { "ObjectExpression": 1 }]*/
+
+var foo = {
+  bar: 1,
+  baz: 2,
+  qux: 3
+};
+```
+
+Examples of **incorrect** code for this rule with the `2, { "ObjectExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/
+
+var foo = { bar: 1,
+  baz: 2 };
+```
+
+Examples of **correct** code for this rule with the `2, { "ObjectExpression": "first" }` option:
+
+```js
+/*eslint indent: ["error", 2, {"ObjectExpression": "first"}]*/
+
+var foo = { bar: 1,
+            baz: 2 };
+```
+
+### ImportDeclaration
+
+Examples of **correct** code for this rule with the `4, { "ImportDeclaration": 1 }` option (the default):
+
+```js
+/*eslint indent: ["error", 4, { "ImportDeclaration": 1 }]*/
+
+import { foo,
+    bar,
+    baz,
+} from 'qux';
+
+import {
+    foo,
+    bar,
+    baz,
+} from 'qux';
+```
+
+Examples of **incorrect** code for this rule with the `4, { "ImportDeclaration": "first" }` option:
+
+```js
+/*eslint indent: ["error", 4, { "ImportDeclaration": "first" }]*/
+
+import { foo,
+    bar,
+    baz,
+} from 'qux';
+```
+
+Examples of **correct** code for this rule with the `4, { "ImportDeclaration": "first" }` option:
+
+```js
+/*eslint indent: ["error", 4, { "ImportDeclaration": "first" }]*/
+
+import { foo,
+         bar,
+         baz,
+} from 'qux';
+```
+
+### flatTernaryExpressions
+
+Examples of **incorrect** code for this rule with the default `4, { "flatTernaryExpressions": false }` option:
+
+```js
+/*eslint indent: ["error", 4, { "flatTernaryExpressions": false }]*/
+
+var a =
+    foo ? bar :
+    baz ? qux :
+    boop;
+```
+
+Examples of **correct** code for this rule with the default `4, { "flatTernaryExpressions": false }` option:
+
+```js
+/*eslint indent: ["error", 4, { "flatTernaryExpressions": false }]*/
+
+var a =
+    foo ? bar :
+        baz ? qux :
+            boop;
+```
+
+Examples of **incorrect** code for this rule with the `4, { "flatTernaryExpressions": true }` option:
+
+```js
+/*eslint indent: ["error", 4, { "flatTernaryExpressions": true }]*/
+
+var a =
+    foo ? bar :
+        baz ? qux :
+            boop;
+```
+
+Examples of **correct** code for this rule with the `4, { "flatTernaryExpressions": true }` option:
+
+```js
+/*eslint indent: ["error", 4, { "flatTernaryExpressions": true }]*/
+
+var a =
+    foo ? bar :
+    baz ? qux :
+    boop;
+```
+
+### offsetTernaryExpressions
+
+Examples of **incorrect** code for this rule with the default `2, { "offsetTernaryExpressions": false }` option:
+
+```js
+/*eslint indent: ["error", 2, { "offsetTernaryExpressions": false }]*/
+
+condition
+  ? () => {
+      return true
+    }
+  : () => {
+      false
+    }
+```
+
+Examples of **correct** code for this rule with the default `2, { "offsetTernaryExpressions": false }` option:
+
+```js
+/*eslint indent: ["error", 2, { "offsetTernaryExpressions": false }]*/
+
+condition
+  ? () => {
+    return true
+  }
+  : condition2
+    ? () => {
+      return true
+    }
+    : () => {
+      return false
+    }
+```
+
+Examples of **incorrect** code for this rule with the `2, { "offsetTernaryExpressions": true }` option:
+
+```js
+/*eslint indent: ["error", 2, { "offsetTernaryExpressions": true }]*/
+
+condition
+  ? () => {
+    return true
+  }
+  : condition2
+    ? () => {
+      return true
+    }
+    : () => {
+      return false
+    }
+```
+
+Examples of **correct** code for this rule with the `2, { "offsetTernaryExpressions": true }` option:
+
+```js
+/*eslint indent: ["error", 2, { "offsetTernaryExpressions": true }]*/
+
+condition
+  ? () => {
+      return true
+    }
+  : condition2
+    ? () => {
+        return true
+      }
+    : () => {
+        return false
+      }
+```
+
+### ignoredNodes
+
+The following configuration ignores the indentation of `ConditionalExpression` ("ternary expression") nodes:
+
+Examples of **correct** code for this rule with the `4, { "ignoredNodes": ["ConditionalExpression"] }` option:
+
+```js
+/*eslint indent: ["error", 4, { "ignoredNodes": ["ConditionalExpression"] }]*/
+
+var a = foo
+      ? bar
+      : baz;
+
+var a = foo
+                ? bar
+: baz;
+```
+
+The following configuration ignores indentation in the body of IIFEs.
+
+Examples of **correct** code for this rule with the `4, { "ignoredNodes": ["CallExpression > FunctionExpression.callee > BlockStatement.body"] }` option:
+
+```js
+/*eslint indent: ["error", 4, { "ignoredNodes": ["CallExpression > FunctionExpression.callee > BlockStatement.body"] }]*/
+
+(function() {
+
+foo();
+bar();
+
+})
+```
+
+### ignoreComments
+
+Examples of additional **correct** code for this rule with the `4, { "ignoreComments": true }` option:
+
+```js
+/*eslint indent: ["error", 4, { "ignoreComments": true }] */
+
+if (foo) {
+    doSomething();
+
+// comment intentionally de-indented
+    doSomethingElse();
+}
+```
+
+
+## Compatibility
+
+* **JSHint**: `indent`
+* **JSCS**: [validateIndentation](https://jscs-dev.github.io/rule/validateIndentation)
diff --git a/eslint/docs/rules/init-declarations.md b/eslint/docs/rules/init-declarations.md
new file mode 100644
index 0000000..97c831a
--- /dev/null
+++ b/eslint/docs/rules/init-declarations.md
@@ -0,0 +1,131 @@
+# require or disallow initialization in variable declarations (init-declarations)
+
+In JavaScript, variables can be assigned during declaration, or at any point afterwards using an assignment statement. For example, in the following code, `foo` is initialized during declaration, while `bar` is initialized later.
+
+```js
+var foo = 1;
+var bar;
+
+if (foo) {
+    bar = 1;
+} else {
+    bar = 2;
+}
+```
+
+## Rule Details
+
+This rule is aimed at enforcing or eliminating variable initializations during declaration. For example, in the following code, `foo` is initialized during declaration, while `bar` is not.
+
+```js
+var foo = 1;
+var bar;
+
+bar = 2;
+```
+
+This rule aims to bring consistency to variable initializations and declarations.
+
+## Options
+
+The rule takes two options:
+
+1. A string which must be either `"always"` (the default), to enforce initialization at declaration, or `"never"` to disallow initialization during declaration. This rule applies to `var`, `let`, and `const` variables, however `"never"` is ignored for `const` variables, as unassigned `const`s generate a parse error.
+2. An object that further controls the behavior of this rule. Currently, the only available parameter is `ignoreForLoopInit`, which indicates if initialization at declaration is allowed in `for` loops when `"never"` is set, since it is a very typical use case.
+
+You can configure the rule as follows:
+
+Variables must be initialized at declaration (default)
+
+```json
+{
+    "init-declarations": ["error", "always"],
+}
+```
+
+Variables must not be initialized at declaration
+
+```json
+{
+    "init-declarations": ["error", "never"]
+}
+```
+
+Variables must not be initialized at declaration, except in for loops, where it is allowed
+
+```json
+{
+    "init-declarations": ["error", "never", { "ignoreForLoopInit": true }]
+}
+```
+
+### always
+
+Examples of **incorrect** code for the default `"always"` option:
+
+```js
+/*eslint init-declarations: ["error", "always"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    let baz;
+}
+```
+
+Examples of **correct** code for the default `"always"` option:
+
+```js
+/*eslint init-declarations: ["error", "always"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar = 1;
+    let baz = 2;
+    const qux = 3;
+}
+```
+
+### never
+
+Examples of **incorrect** code for the `"never"` option:
+
+```js
+/*eslint init-declarations: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar = 1;
+    let baz = 2;
+
+    for (var i = 0; i < 1; i++) {}
+}
+```
+
+Examples of **correct** code for the `"never"` option:
+
+```js
+/*eslint init-declarations: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    let baz;
+    const buzz = 1;
+}
+```
+
+The `"never"` option ignores `const` variable initializations.
+
+### ignoreForLoopInit
+
+Examples of **correct** code for the `"never", { "ignoreForLoopInit": true }` options:
+
+```js
+/*eslint init-declarations: ["error", "never", { "ignoreForLoopInit": true }]*/
+for (var i = 0; i < 1; i++) {}
+```
+
+## When Not To Use It
+
+When you are indifferent as to how your variables are initialized.
diff --git a/eslint/docs/rules/jsx-quotes.md b/eslint/docs/rules/jsx-quotes.md
new file mode 100644
index 0000000..ba0b876
--- /dev/null
+++ b/eslint/docs/rules/jsx-quotes.md
@@ -0,0 +1,73 @@
+# enforce the consistent use of either double or single quotes in JSX attributes (jsx-quotes)
+
+JSX attribute values can contain string literals, which are delimited with single or double quotes.
+
+```xml
+<a b='c' />
+<a b="c" />
+```
+
+Unlike string literals in JavaScript, string literals within JSX attributes can’t contain escaped quotes.
+If you want to have e.g. a double quote within a JSX attribute value, you have to use single quotes as string delimiter.
+
+```xml
+<a b="'" />
+<a b='"' />
+```
+
+## Rule Details
+
+This rule enforces the consistent use of either double or single quotes in JSX attributes.
+
+## Options
+
+This rule has a string option:
+
+* `"prefer-double"` (default) enforces the use of double quotes for all JSX attribute values that don't contain a double quote.
+* `"prefer-single"` enforces the use of single quotes for all JSX attribute values that don’t contain a single quote.
+
+### prefer-double
+
+Examples of **incorrect** code for this rule with the default `"prefer-double"` option:
+
+```xml
+/*eslint jsx-quotes: ["error", "prefer-double"]*/
+
+<a b='c' />
+```
+
+Examples of **correct** code for this rule with the default `"prefer-double"` option:
+
+```xml
+/*eslint jsx-quotes: ["error", "prefer-double"]*/
+
+<a b="c" />
+<a b='"' />
+```
+
+### prefer-single
+
+Examples of **incorrect** code for this rule with the `"prefer-single"` option:
+
+```xml
+/*eslint jsx-quotes: ["error", "prefer-single"]*/
+
+<a b="c" />
+```
+
+Examples of **correct** code for this rule with the `"prefer-single"` option:
+
+```xml
+/*eslint jsx-quotes: ["error", "prefer-single"]*/
+
+<a b='c' />
+<a b="'" />
+```
+
+## When Not To Use It
+
+You can turn this rule off if you don’t use JSX or if you aren’t concerned with a consistent usage of quotes within JSX attributes.
+
+## Related Rules
+
+* [quotes](quotes.md)
diff --git a/eslint/docs/rules/key-spacing.md b/eslint/docs/rules/key-spacing.md
new file mode 100644
index 0000000..c94b11f
--- /dev/null
+++ b/eslint/docs/rules/key-spacing.md
@@ -0,0 +1,330 @@
+# enforce consistent spacing between keys and values in object literal properties (key-spacing)
+
+This rule enforces spacing around the colon in object literal properties. It can verify each property individually, or it can ensure horizontal alignment of adjacent properties in an object literal.
+
+## Rule Details
+
+This rule enforces consistent spacing between keys and values in object literal properties. In the case of long lines, it is acceptable to add a new line wherever whitespace is allowed.
+
+## Options
+
+This rule has an object option:
+
+* `"beforeColon": false (default) | true`
+    * `false`: disallows spaces between the key and the colon in object literals.
+    * `true`: requires at least one space between the key and the colon in object literals.
+* `"afterColon": true (default) | false`
+    * `true`: requires at least one space between the colon and the value in object literals.
+    * `false`: disallows spaces between the colon and the value in object literals.
+* `"mode": "strict" (default) | "minimum"`
+    * `"strict"`: enforces exactly one space before or after colons in object literals.
+    * `"minimum"`: enforces one or more spaces before or after colons in object literals.
+* `"align": "value" | "colon"`
+    * `"value"`: enforces horizontal alignment of values in object literals.
+    * `"colon"` enforces horizontal alignment of both colons and values in object literals.
+* `"align"` with an object value allows for fine-grained spacing when values are being aligned in object literals.
+* `"singleLine"` specifies a spacing style for single-line object literals.
+* `"multiLine"` specifies a spacing style for multi-line object literals.
+
+Please note that you can either use the top-level options or the grouped options (`singleLine` and `multiLine`) but not both.
+
+### beforeColon
+
+Examples of **incorrect** code for this rule with the default `{ "beforeColon": false }` option:
+
+```js
+/*eslint key-spacing: ["error", { "beforeColon": false }]*/
+
+var obj = { "foo" : 42 };
+```
+
+Examples of **correct** code for this rule with the default `{ "beforeColon": false }` option:
+
+```js
+/*eslint key-spacing: ["error", { "beforeColon": false }]*/
+
+var obj = { "foo": 42 };
+```
+
+Examples of **incorrect** code for this rule with the `{ "beforeColon": true }` option:
+
+```js
+/*eslint key-spacing: ["error", { "beforeColon": true }]*/
+
+var obj = { "foo": 42 };
+```
+
+Examples of **correct** code for this rule with the `{ "beforeColon": true }` option:
+
+```js
+/*eslint key-spacing: ["error", { "beforeColon": true }]*/
+
+var obj = { "foo" : 42 };
+```
+
+### afterColon
+
+Examples of **incorrect** code for this rule with the default `{ "afterColon": true }` option:
+
+```js
+/*eslint key-spacing: ["error", { "afterColon": true }]*/
+
+var obj = { "foo":42 };
+```
+
+Examples of **correct** code for this rule with the default `{ "afterColon": true }` option:
+
+```js
+/*eslint key-spacing: ["error", { "afterColon": true }]*/
+
+var obj = { "foo": 42 };
+```
+
+Examples of **incorrect** code for this rule with the `{ "afterColon": false }` option:
+
+```js
+/*eslint key-spacing: ["error", { "afterColon": false }]*/
+
+var obj = { "foo": 42 };
+```
+
+Examples of **correct** code for this rule with the `{ "afterColon": false }` option:
+
+```js
+/*eslint key-spacing: ["error", { "afterColon": false }]*/
+
+var obj = { "foo":42 };
+```
+
+### mode
+
+Examples of **incorrect** code for this rule with the default `{ "mode": "strict" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "mode": "strict" }]*/
+
+call({
+    foobar: 42,
+    bat:    2 * 2
+});
+```
+
+Examples of **correct** code for this rule with the default `{ "mode": "strict" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "mode": "strict" }]*/
+
+call({
+    foobar: 42,
+    bat: 2 * 2
+});
+```
+
+Examples of **correct** code for this rule with the `{ "mode": "minimum" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "mode": "minimum" }]*/
+
+call({
+    foobar: 42,
+    bat:    2 * 2
+});
+```
+
+### align
+
+Examples of **incorrect** code for this rule with the `{ "align": "value" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "align": "value" }]*/
+
+var obj = {
+    a: value,
+    bcde:  42,
+    fg :   foo()
+};
+```
+
+Examples of **correct** code for this rule with the `{ "align": "value" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "align": "value" }]*/
+
+var obj = {
+    a:    value,
+    bcde: 42,
+
+    fg: foo(),
+    h:  function() {
+        return this.a;
+    },
+    ijkl: 'Non-consecutive lines form a new group'
+};
+
+var obj = { a: "foo", longPropertyName: "bar" };
+```
+
+Examples of **incorrect** code for this rule with the `{ "align": "colon" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "align": "colon" }]*/
+
+call({
+    foobar: 42,
+    bat:    2 * 2
+});
+```
+
+Examples of **correct** code for this rule with the `{ "align": "colon" }` option:
+
+```js
+/*eslint key-spacing: ["error", { "align": "colon" }]*/
+
+call({
+    foobar: 42,
+    bat   : 2 * 2
+});
+```
+
+### align
+
+The `align` option can take additional configuration through the `beforeColon`, `afterColon`, `mode`, and `on` options.
+
+If `align` is defined as an object, but not all of the parameters are provided, undefined parameters will default to the following:
+
+```js
+// Defaults
+align: {
+    "beforeColon": false,
+    "afterColon": true,
+    "on": "colon",
+    "mode": "strict"
+}
+```
+
+Examples of **correct** code for this rule with sample `{ "align": { } }` options:
+
+```js
+/*eslint key-spacing: ["error", {
+    "align": {
+        "beforeColon": true,
+        "afterColon": true,
+        "on": "colon"
+    }
+}]*/
+
+var obj = {
+    "one"   : 1,
+    "seven" : 7
+}
+```
+
+```js
+/*eslint key-spacing: ["error", {
+    "align": {
+        "beforeColon": false,
+        "afterColon": false,
+        "on": "value"
+    }
+}]*/
+
+var obj = {
+    "one":  1,
+    "seven":7
+}
+```
+
+### align and multiLine
+
+The `multiLine` and `align` options can differ, which allows for fine-tuned control over the `key-spacing` of your files.  `align` will **not** inherit from `multiLine` if `align` is configured as an object.
+
+`multiLine` is used any time  an object literal spans multiple lines.  The `align` configuration is used when there is a group of properties in the same object. For example:
+
+```javascript
+var myObj = {
+  key1: 1, // uses multiLine
+
+  key2: 2, // uses align (when defined)
+  key3: 3, // uses align (when defined)
+
+  key4: 4 // uses multiLine
+}
+
+```
+
+Examples of **incorrect** code for this rule with sample `{ "align": { }, "multiLine": { } }` options:
+
+```js
+/*eslint key-spacing: ["error", {
+    "multiLine": {
+        "beforeColon": false,
+        "afterColon":true
+    },
+    "align": {
+        "beforeColon": true,
+        "afterColon": true,
+        "on": "colon"
+    }
+}]*/
+
+var obj = {
+    "myObjectFunction": function() {
+        // Do something
+    },
+    "one"             : 1,
+    "seven"           : 7
+}
+```
+
+Examples of **correct** code for this rule with sample `{ "align": { }, "multiLine": { } }` options:
+
+```js
+/*eslint key-spacing: ["error", {
+    "multiLine": {
+        "beforeColon": false,
+        "afterColon": true
+
+    },
+    "align": {
+        "beforeColon": true,
+        "afterColon": true,
+        "on": "colon"
+    }
+}]*/
+
+var obj = {
+    "myObjectFunction": function() {
+        // Do something
+        //
+    }, // These are two separate groups, so no alignment between `myObjectFuction` and `one`
+    "one"   : 1,
+    "seven" : 7 // `one` and `seven` are in their own group, and therefore aligned
+}
+```
+
+### singleLine and multiLine
+
+Examples of **correct** code for this rule with sample `{ "singleLine": { }, "multiLine": { } }` options:
+
+```js
+/*eslint "key-spacing": [2, {
+    "singleLine": {
+        "beforeColon": false,
+        "afterColon": true
+    },
+    "multiLine": {
+        "beforeColon": true,
+        "afterColon": true,
+        "align": "colon"
+    }
+}]*/
+var obj = { one: 1, "two": 2, three: 3 };
+var obj2 = {
+    "two" : 2,
+    three : 3
+};
+```
+
+## When Not To Use It
+
+If you have another convention for property spacing that might not be consistent with the available options, or if you want to permit multiple styles concurrently you can safely disable this rule.
diff --git a/eslint/docs/rules/keyword-spacing.md b/eslint/docs/rules/keyword-spacing.md
new file mode 100644
index 0000000..ecc6bb0
--- /dev/null
+++ b/eslint/docs/rules/keyword-spacing.md
@@ -0,0 +1,272 @@
+# enforce consistent spacing before and after keywords (keyword-spacing)
+
+Keywords are syntax elements of JavaScript, such as `try` and `if`.
+These keywords have special meaning to the language and so often appear in a different color in code editors.
+As an important part of the language, style guides often refer to the spacing that should be used around keywords.
+For example, you might have a style guide that says keywords should be always surrounded by spaces, which would mean `if-else` statements must look like this:
+
+```js
+if (foo) {
+    // ...
+} else {
+    // ...
+}
+```
+
+Of course, you could also have a style guide that disallows spaces around keywords.
+
+However, if you want to enforce the style of spacing between the `function` keyword and the following opening parenthesis, please refer to [space-before-function-paren](space-before-function-paren.md).
+
+## Rule Details
+
+This rule enforces consistent spacing around keywords and keyword-like tokens: `as` (in module declarations), `async` (of async functions), `await` (of await expressions), `break`, `case`, `catch`, `class`, `const`, `continue`, `debugger`, `default`, `delete`, `do`, `else`, `export`, `extends`, `finally`, `for`, `from` (in module declarations), `function`, `get` (of getters), `if`, `import`, `in`, `instanceof`, `let`, `new`, `of` (in for-of statements), `return`, `set` (of setters), `static`, `super`, `switch`, `this`, `throw`, `try`, `typeof`, `var`, `void`, `while`, `with`, and `yield`. This rule is designed carefully not to conflict with other spacing rules: it does not apply to spacing where other rules report problems.
+
+## Options
+
+This rule has an object option:
+
+* `"before": true` (default) requires at least one space before keywords
+* `"before": false` disallows spaces before keywords
+* `"after": true` (default) requires at least one space after keywords
+* `"after": false` disallows spaces after keywords
+* `"overrides"` allows overriding spacing style for specified keywords
+
+### before
+
+Examples of **incorrect** code for this rule with the default `{ "before": true }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "before": true }]*/
+
+if (foo) {
+    //...
+}else if (bar) {
+    //...
+}else {
+    //...
+}
+```
+
+Examples of **correct** code for this rule with the default `{ "before": true }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "before": true }]*/
+/*eslint-env es6*/
+
+if (foo) {
+    //...
+} else if (bar) {
+    //...
+} else {
+    //...
+}
+
+// Avoid conflict with `array-bracket-spacing`
+let a = [this];
+let b = [function() {}];
+
+// Avoid conflict with `arrow-spacing`
+let a = ()=> this.foo;
+
+// Avoid conflict with `block-spacing`
+{function foo() {}}
+
+// Avoid conflict with `comma-spacing`
+let a = [100,this.foo, this.bar];
+
+// Avoid conflict with `computed-property-spacing`
+obj[this.foo] = 0;
+
+// Avoid conflict with `generator-star-spacing`
+function *foo() {}
+
+// Avoid conflict with `key-spacing`
+let obj = {
+    foo:function() {}
+};
+
+// Avoid conflict with `object-curly-spacing`
+let obj = {foo: this};
+
+// Avoid conflict with `semi-spacing`
+let a = this;function foo() {}
+
+// Avoid conflict with `space-in-parens`
+(function () {})();
+
+// Avoid conflict with `space-infix-ops`
+if ("foo"in {foo: 0}) {}
+if (10+this.foo<= this.bar) {}
+
+// Avoid conflict with `jsx-curly-spacing`
+let a = <A foo={this.foo} bar={function(){}} />
+```
+
+Examples of **incorrect** code for this rule with the `{ "before": false }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "before": false }]*/
+
+if (foo) {
+    //...
+} else if (bar) {
+    //...
+} else {
+    //...
+}
+```
+
+Examples of **correct** code for this rule with the `{ "before": false }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "before": false }]*/
+
+if (foo) {
+    //...
+}else if (bar) {
+    //...
+}else {
+    //...
+}
+```
+
+### after
+
+Examples of **incorrect** code for this rule with the default `{ "after": true }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "after": true }]*/
+
+if(foo) {
+    //...
+} else if(bar) {
+    //...
+} else{
+    //...
+}
+```
+
+Examples of **correct** code for this rule with the default `{ "after": true }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "after": true }]*/
+
+if (foo) {
+    //...
+} else if (bar) {
+    //...
+} else {
+    //...
+}
+
+// Avoid conflict with `array-bracket-spacing`
+let a = [this];
+
+// Avoid conflict with `arrow-spacing`
+let a = ()=> this.foo;
+
+// Avoid conflict with `comma-spacing`
+let a = [100, this.foo, this.bar];
+
+// Avoid conflict with `computed-property-spacing`
+obj[this.foo] = 0;
+
+// Avoid conflict with `generator-star-spacing`
+function* foo() {}
+
+// Avoid conflict with `key-spacing`
+let obj = {
+    foo:function() {}
+};
+
+// Avoid conflict with `func-call-spacing`
+class A {
+    constructor() {
+        super();
+    }
+}
+
+// Avoid conflict with `object-curly-spacing`
+let obj = {foo: this};
+
+// Avoid conflict with `semi-spacing`
+let a = this;function foo() {}
+
+// Avoid conflict with `space-before-function-paren`
+function() {}
+
+// Avoid conflict with `space-infix-ops`
+if ("foo"in{foo: 0}) {}
+if (10+this.foo<= this.bar) {}
+
+// Avoid conflict with `space-unary-ops`
+function* foo(a) {
+    return yield+a;
+}
+
+// Avoid conflict with `yield-star-spacing`
+function* foo(a) {
+    return yield* a;
+}
+
+// Avoid conflict with `jsx-curly-spacing`
+let a = <A foo={this.foo} bar={function(){}} />
+```
+
+Examples of **incorrect** code for this rule with the `{ "after": false }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "after": false }]*/
+
+if (foo) {
+    //...
+} else if (bar) {
+    //...
+} else {
+    //...
+}
+```
+
+Examples of **correct** code for this rule with the `{ "after": false }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "after": false }]*/
+
+if(foo) {
+    //...
+} else if(bar) {
+    //...
+} else{
+    //...
+}
+```
+
+### overrides
+
+Examples of **correct** code for this rule with the `{ "overrides": { "if": { "after": false }, "for": { "after": false }, "while": { "after": false } } }` option:
+
+```js
+/*eslint keyword-spacing: ["error", { "overrides": {
+  "if": { "after": false },
+  "for": { "after": false },
+  "while": { "after": false }
+} }]*/
+
+if(foo) {
+    //...
+} else if(bar) {
+    //...
+} else {
+    //...
+}
+
+for(;;);
+
+while(true) {
+  //...
+}
+```
+
+## When Not To Use It
+
+If you don't want to enforce consistency on keyword spacing, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/line-comment-position.md b/eslint/docs/rules/line-comment-position.md
new file mode 100644
index 0000000..7344534
--- /dev/null
+++ b/eslint/docs/rules/line-comment-position.md
@@ -0,0 +1,106 @@
+# enforce position of line comments (line-comment-position)
+
+Line comments can be positioned above or beside code. This rule helps teams maintain a consistent style.
+
+```js
+// above comment
+var foo = "bar";  // beside comment
+```
+
+## Rule Details
+
+This rule enforces consistent position of line comments. Block comments are not affected by this rule. By default, this rule ignores comments starting with the following words: `eslint`, `jshint`, `jslint`, `istanbul`, `global`, `exported`, `jscs`, `falls through`.
+
+
+## Options
+
+This rule takes one argument, which can be a string or an object. The string settings are the same as those of the `position` property (explained below). The object option has the following properties:
+
+### position
+
+The `position` option has two settings:
+
+* `above` (default) enforces line comments only above code, in its own line.
+* `beside` enforces line comments only at the end of code lines.
+
+#### position: above
+
+Examples of **correct** code for the `{ "position": "above" }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "position": "above" }]*/
+// valid comment
+1 + 1;
+```
+
+
+Examples of **incorrect** code for the `{ "position": "above" }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "position": "above" }]*/
+1 + 1; // invalid comment
+```
+
+#### position: beside
+
+Examples of **correct** code for the `{ "position": "beside" }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "position": "beside" }]*/
+1 + 1; // valid comment
+```
+
+
+Examples of **incorrect** code for the `{ "position": "beside" }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "position": "beside" }]*/
+// invalid comment
+1 + 1;
+```
+
+### ignorePattern
+
+By default this rule ignores comments starting with the following words: `eslint`, `jshint`, `jslint`, `istanbul`, `global`, `exported`, `jscs`, `falls through`. An alternative regular expression can be provided.
+
+Examples of **correct** code for the `ignorePattern` option:
+
+```js
+/*eslint line-comment-position: ["error", { "ignorePattern": "pragma" }]*/
+1 + 1; // pragma valid comment
+```
+
+Examples of **incorrect** code for the `ignorePattern` option:
+
+```js
+/*eslint line-comment-position: ["error", { "ignorePattern": "pragma" }]*/
+1 + 1; // invalid comment
+```
+
+### applyDefaultIgnorePatterns
+
+Default ignore patterns are applied even when `ignorePattern` is provided. If you want to omit default patterns, set this option to `false`.
+
+Examples of **correct** code for the `{ "applyDefaultIgnorePatterns": false }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "ignorePattern": "pragma", "applyDefaultIgnorePatterns": false }]*/
+1 + 1; // pragma valid comment
+```
+
+Examples of **incorrect** code for the `{ "applyDefaultIgnorePatterns": false }` option:
+
+```js
+/*eslint line-comment-position: ["error", { "ignorePattern": "pragma", "applyDefaultIgnorePatterns": false }]*/
+1 + 1; // falls through
+```
+
+**Deprecated:** the object property `applyDefaultPatterns` is deprecated. Please use the property `applyDefaultIgnorePatterns` instead.
+
+## When Not To Use It
+
+If you aren't concerned about having different line comment styles, then you can turn off this rule.
+
+## Compatibility
+
+**JSCS**: [validateCommentPosition](https://jscs-dev.github.io/rule/validateCommentPosition)
diff --git a/eslint/docs/rules/linebreak-style.md b/eslint/docs/rules/linebreak-style.md
new file mode 100644
index 0000000..d2aa5a1
--- /dev/null
+++ b/eslint/docs/rules/linebreak-style.md
@@ -0,0 +1,86 @@
+# enforce consistent linebreak style (linebreak-style)
+
+When developing with a lot of people all having different editors, VCS applications and operating systems it may occur that
+different line endings are written by either of the mentioned (might especially happen when using the windows and mac versions of SourceTree together).
+
+The linebreaks (new lines) used in windows operating system are usually _carriage returns_ (CR) followed by a _line feed_ (LF) making it a _carriage return line feed_ (CRLF)
+whereas Linux and Unix use a simple _line feed_ (LF). The corresponding _control sequences_ are `"\n"` (for LF) and `"\r\n"` for (CRLF).
+
+Many versioning systems (like git and subversion) can automatically ensure the correct ending. However to cover all contingencies, you can activate this rule.
+
+## Rule Details
+
+This rule enforces consistent line endings independent of operating system, VCS, or editor used across your codebase.
+
+### Options
+
+This rule has a string option:
+
+* `"unix"` (default) enforces the usage of Unix line endings: `\n` for LF.
+* `"windows"` enforces the usage of Windows line endings: `\r\n` for CRLF.
+
+
+### unix
+
+Examples of **incorrect** code for this rule with the default `"unix"` option:
+
+```js
+/*eslint linebreak-style: ["error", "unix"]*/
+
+var a = 'a'; // \r\n
+
+```
+
+Examples of **correct** code for this rule with the default `"unix"` option:
+
+```js
+/*eslint linebreak-style: ["error", "unix"]*/
+
+var a = 'a', // \n
+    b = 'b'; // \n
+// \n
+function foo(params) { // \n
+    // do stuff \n
+}// \n
+```
+
+### windows
+
+Examples of **incorrect** code for this rule with the `"windows"` option:
+
+```js
+/*eslint linebreak-style: ["error", "windows"]*/
+
+var a = 'a'; // \n
+```
+
+Examples of **correct** code for this rule with the `"windows"` option:
+
+```js
+/*eslint linebreak-style: ["error", "windows"]*/
+
+var a = 'a', // \r\n
+    b = 'b'; // \r\n
+// \r\n
+function foo(params) { // \r\n
+    // do stuff \r\n
+} // \r\n
+```
+
+## Using this rule with version control systems
+
+Version control systems sometimes have special behavior for linebreaks. To make it easy for developers to contribute to your codebase from different platforms, you may want to configure your VCS to handle linebreaks appropriately.
+
+For example, the default behavior of [git](https://git-scm.com/) on Windows systems is to convert LF linebreaks to CRLF when checking out files, but to store the linebreaks as LF when committing a change. This will cause the `linebreak-style` rule to report errors if configured with the `"unix"` setting, because the files that ESLint sees will have CRLF linebreaks. If you use git, you may want to add a line to your [`.gitattributes` file](https://git-scm.com/docs/gitattributes) to prevent git from converting linebreaks in `.js` files:
+
+```
+*.js text eol=lf
+```
+
+## When Not To Use It
+
+If you aren't concerned about having different line endings within your code, then you can safely turn this rule off.
+
+## Compatibility
+
+* **JSCS**: [validateLineBreaks](https://jscs-dev.github.io/rule/validateLineBreaks)
diff --git a/eslint/docs/rules/lines-around-comment.md b/eslint/docs/rules/lines-around-comment.md
new file mode 100644
index 0000000..61af596
--- /dev/null
+++ b/eslint/docs/rules/lines-around-comment.md
@@ -0,0 +1,498 @@
+# require empty lines around comments (lines-around-comment)
+
+Many style guides require empty lines before or after comments. The primary goal
+of these rules is to make the comments easier to read and improve readability of the code.
+
+## Rule Details
+
+This rule requires empty lines before and/or after comments. It can be enabled separately for both block (`/*`) and line (`//`) comments. This rule does not apply to comments that appear on the same line as code and does not require empty lines at the beginning or end of a file.
+
+## Options
+
+This rule has an object option:
+
+* `"beforeBlockComment": true` (default) requires an empty line before block comments
+* `"afterBlockComment": true` requires an empty line after block comments
+* `"beforeLineComment": true` requires an empty line before line comments
+* `"afterLineComment": true` requires an empty line after line comments
+* `"allowBlockStart": true` allows comments to appear at the start of block statements
+* `"allowBlockEnd": true` allows comments to appear at the end of block statements
+* `"allowObjectStart": true` allows comments to appear at the start of object literals
+* `"allowObjectEnd": true` allows comments to appear at the end of object literals
+* `"allowArrayStart": true` allows comments to appear at the start of array literals
+* `"allowArrayEnd": true` allows comments to appear at the end of array literals
+* `"allowClassStart": true` allows comments to appear at the start of classes
+* `"allowClassEnd": true` allows comments to appear at the end of classes
+* `"applyDefaultIgnorePatterns"` enables or disables the default comment patterns to be ignored by the rule
+* `"ignorePattern"` custom patterns to be ignored by the rule
+
+
+### beforeBlockComment
+
+Examples of **incorrect** code for this rule with the default `{ "beforeBlockComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true }]*/
+
+var night = "long";
+/* what a great and wonderful day */
+var day = "great"
+```
+
+Examples of **correct** code for this rule with the default `{ "beforeBlockComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true }]*/
+
+var night = "long";
+
+/* what a great and wonderful day */
+var day = "great"
+```
+
+### afterBlockComment
+
+Examples of **incorrect** code for this rule with the `{ "afterBlockComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true }]*/
+
+var night = "long";
+
+/* what a great and wonderful day */
+var day = "great"
+```
+
+Examples of **correct** code for this rule with the `{ "afterBlockComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true }]*/
+
+var night = "long";
+
+/* what a great and wonderful day */
+
+var day = "great"
+```
+
+### beforeLineComment
+
+Examples of **incorrect** code for this rule with the `{ "beforeLineComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true }]*/
+
+var night = "long";
+// what a great and wonderful day
+var day = "great"
+```
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true }]*/
+
+var night = "long";
+
+// what a great and wonderful day
+var day = "great"
+```
+
+### afterLineComment
+
+Examples of **incorrect** code for this rule with the `{ "afterLineComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true }]*/
+
+var night = "long";
+// what a great and wonderful day
+var day = "great"
+```
+
+Examples of **correct** code for this rule with the `{ "afterLineComment": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true }]*/
+
+var night = "long";
+// what a great and wonderful day
+
+var day = "great"
+```
+
+### allowBlockStart
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true, "allowBlockStart": true }` options:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowBlockStart": true }]*/
+
+function foo(){
+    // what a great and wonderful day
+    var day = "great"
+    return day;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "beforeBlockComment": true, "allowBlockStart": true }` options:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowBlockStart": true }]*/
+
+function foo(){
+    /* what a great and wonderful day */
+    var day = "great"
+    return day;
+}
+```
+
+### allowBlockEnd
+
+Examples of **correct** code for this rule with the `{ "afterLineComment": true, "allowBlockEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true, "allowBlockEnd": true }]*/
+
+function foo(){
+    var day = "great"
+    return day;
+    // what a great and wonderful day
+}
+```
+
+Examples of **correct** code for this rule with the `{ "afterBlockComment": true, "allowBlockEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true, "allowBlockEnd": true }]*/
+
+function foo(){
+    var day = "great"
+    return day;
+
+    /* what a great and wonderful day */
+}
+```
+
+### allowClassStart
+
+Examples of **incorrect** code for this rule with the `{ "beforeLineComment": true, "allowClassStart": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowClassStart": false }]*/
+
+class foo {
+    // what a great and wonderful day
+    day() {}
+};
+```
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true, "allowClassStart": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowClassStart": false }]*/
+
+class foo {
+
+    // what a great and wonderful day
+    day() {}
+};
+```
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true, "allowClassStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowClassStart": true }]*/
+
+class foo {
+    // what a great and wonderful day
+    day() {}
+};
+```
+
+Examples of **incorrect** code for this rule with the `{ "beforeBlockComment": true, "allowClassStart": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowClassStart": false }]*/
+
+class foo {
+    /* what a great and wonderful day */
+    day() {}
+};
+```
+
+Examples of **correct** code for this rule with the `{ "beforeBlockComment": true, "allowClassStart": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowClassStart": false }]*/
+
+class foo {
+
+    /* what a great and wonderful day */
+    day() {}
+};
+```
+
+Examples of **correct** code for this rule with the `{ "beforeBlockComment": true, "allowClassStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowClassStart": true }]*/
+
+class foo {
+    /* what a great and wonderful day */
+    day() {}
+};
+```
+
+### allowClassEnd
+
+Examples of **correct** code for this rule with the `{ "afterLineComment": true, "allowClassEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true, "allowClassEnd": true }]*/
+
+class foo {
+    day() {}
+    // what a great and wonderful day
+};
+```
+
+Examples of **correct** code for this rule with the `{ "afterBlockComment": true, "allowClassEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true, "allowClassEnd": true }]*/
+
+class foo {
+    day() {}
+
+    /* what a great and wonderful day */
+};
+```
+
+### allowObjectStart
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true, "allowObjectStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowObjectStart": true }]*/
+
+var foo = {
+    // what a great and wonderful day
+    day: "great"
+};
+
+const {
+    // what a great and wonderful day
+    foo: someDay
+} = {foo: "great"};
+
+const {
+    // what a great and wonderful day
+    day
+} = {day: "great"};
+```
+
+Examples of **correct** code for this rule with the `{ "beforeBlockComment": true, "allowObjectStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowObjectStart": true }]*/
+
+var foo = {
+    /* what a great and wonderful day */
+    day: "great"
+};
+
+const {
+    /* what a great and wonderful day */
+    foo: someDay
+} = {foo: "great"};
+
+const {
+    /* what a great and wonderful day */
+    day
+} = {day: "great"};
+```
+
+### allowObjectEnd
+
+Examples of **correct** code for this rule with the `{ "afterLineComment": true, "allowObjectEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true, "allowObjectEnd": true }]*/
+
+var foo = {
+    day: "great"
+    // what a great and wonderful day
+};
+
+const {
+    foo: someDay
+    // what a great and wonderful day
+} = {foo: "great"};
+
+const {
+    day
+    // what a great and wonderful day
+} = {day: "great"};
+```
+
+Examples of **correct** code for this rule with the `{ "afterBlockComment": true, "allowObjectEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true, "allowObjectEnd": true }]*/
+
+var foo = {
+    day: "great"
+
+    /* what a great and wonderful day */
+};
+
+const {
+    foo: someDay
+
+    /* what a great and wonderful day */
+} = {foo: "great"};
+
+const {
+    day
+
+    /* what a great and wonderful day */
+} = {day: "great"};
+```
+
+### allowArrayStart
+
+Examples of **correct** code for this rule with the `{ "beforeLineComment": true, "allowArrayStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeLineComment": true, "allowArrayStart": true }]*/
+
+var day = [
+    // what a great and wonderful day
+    "great",
+    "wonderful"
+];
+
+const [
+    // what a great and wonderful day
+    someDay
+] = ["great", "not great"];
+```
+
+Examples of **correct** code for this rule with the `{ "beforeBlockComment": true, "allowArrayStart": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "beforeBlockComment": true, "allowArrayStart": true }]*/
+
+var day = [
+    /* what a great and wonderful day */
+    "great",
+    "wonderful"
+];
+
+const [
+    /* what a great and wonderful day */
+    someDay
+] = ["great", "not great"];
+```
+
+### allowArrayEnd
+
+Examples of **correct** code for this rule with the `{ "afterLineComment": true, "allowArrayEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterLineComment": true, "allowArrayEnd": true }]*/
+
+var day = [
+    "great",
+    "wonderful"
+    // what a great and wonderful day
+];
+
+const [
+    someDay
+    // what a great and wonderful day
+] = ["great", "not great"];
+```
+
+Examples of **correct** code for this rule with the `{ "afterBlockComment": true, "allowArrayEnd": true }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "afterBlockComment": true, "allowArrayEnd": true }]*/
+
+var day = [
+    "great",
+    "wonderful"
+
+    /* what a great and wonderful day */
+];
+
+const [
+    someDay
+
+    /* what a great and wonderful day */
+] = ["great", "not great"];
+```
+
+
+### ignorePattern
+
+By default this rule ignores comments starting with the following words: `eslint`, `jshint`, `jslint`, `istanbul`, `global`, `exported`, `jscs`. An alternative regular expression can be provided.
+
+Examples of **correct** code for the `ignorePattern` option:
+
+```js
+/*eslint lines-around-comment: ["error"]*/
+
+foo();
+/* eslint mentioned in this comment */,
+bar();
+
+
+/*eslint lines-around-comment: ["error", { "ignorePattern": "pragma" }] */
+
+foo();
+/* a valid comment using pragma in it */
+```
+
+Examples of **incorrect** code for the `ignorePattern` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "ignorePattern": "pragma" }] */
+
+1 + 1;
+/* something else */
+```
+
+### applyDefaultIgnorePatterns
+
+Default ignore patterns are applied even when `ignorePattern` is provided. If you want to omit default patterns, set this option to `false`.
+
+Examples of **correct** code for the `{ "applyDefaultIgnorePatterns": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "ignorePattern": "pragma", applyDefaultIgnorePatterns: false }] */
+
+foo();
+/* a valid comment using pragma in it */
+```
+
+Examples of **incorrect** code for the `{ "applyDefaultIgnorePatterns": false }` option:
+
+```js
+/*eslint lines-around-comment: ["error", { "applyDefaultIgnorePatterns": false }] */
+
+foo();
+/* eslint mentioned in comment */
+
+```
+
+
+## When Not To Use It
+
+Many people enjoy a terser code style and don't mind comments bumping up against code. If you fall into that category this rule is not for you.
+
+## Related Rules
+
+* [space-before-blocks](space-before-blocks.md)
+* [spaced-comment](spaced-comment.md)
diff --git a/eslint/docs/rules/lines-around-directive.md b/eslint/docs/rules/lines-around-directive.md
new file mode 100644
index 0000000..6aa9f1d
--- /dev/null
+++ b/eslint/docs/rules/lines-around-directive.md
@@ -0,0 +1,322 @@
+# require or disallow newlines around directives (lines-around-directive)
+
+This rule was **deprecated** in ESLint v4.0.0 and replaced by the [padding-line-between-statements](padding-line-between-statements.md) rule.
+
+Directives are used in JavaScript to indicate to the execution environment that a script would like to opt into a feature such as `"strict mode"`. Directives are grouped together in a [directive prologue](https://www.ecma-international.org/ecma-262/7.0/#directive-prologue) at the top of either a file or function block and are applied to the scope in which they occur.
+
+```js
+// Strict mode is invoked for the entire script
+"use strict";
+
+var foo;
+
+function bar() {
+  var baz;
+}
+```
+
+```js
+var foo;
+
+function bar() {
+  // Strict mode is only invoked within this function
+  "use strict";
+
+  var baz;
+}
+```
+
+## Rule Details
+
+This rule requires or disallows blank newlines around directive prologues. This rule does not enforce any conventions about blank newlines between the individual directives. In addition, it does not require blank newlines before directive prologues unless they are preceded by a comment. Please use the [padded-blocks](padded-blocks.md) rule if this is a style you would like to enforce.
+
+## Options
+
+This rule has one option. It can either be a string or an object:
+
+* `"always"` (default) enforces blank newlines around directives.
+* `"never"` disallows blank newlines around directives.
+
+or
+
+```js
+{
+  "before": "always" or "never"
+  "after": "always" or "never",
+}
+```
+
+### always
+
+This is the default option.
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/* eslint lines-around-directive: ["error", "always"] */
+
+/* Top of file */
+"use strict";
+var foo;
+
+/* Top of file */
+// comment
+"use strict";
+"use asm";
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+  var bar;
+}
+
+function foo() {
+  // comment
+  "use strict";
+  var bar;
+}
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/* eslint lines-around-directive: ["error", "always"] */
+
+/* Top of file */
+"use strict";
+
+var foo;
+
+/* Top of file */
+// comment
+
+"use strict";
+"use asm";
+
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+
+  var bar;
+}
+
+function foo() {
+  // comment
+
+  "use strict";
+
+  var bar;
+}
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/* eslint lines-around-directive: ["error", "never"] */
+
+/* Top of file */
+
+"use strict";
+
+var foo;
+
+
+/* Top of file */
+// comment
+
+"use strict";
+"use asm";
+
+var foo;
+
+
+function foo() {
+  "use strict";
+  "use asm";
+
+  var bar;
+}
+
+
+function foo() {
+  // comment
+
+  "use strict";
+
+  var bar;
+}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/* eslint lines-around-directive: ["error", "never"] */
+
+/* Top of file */
+"use strict";
+var foo;
+
+/* Top of file */
+// comment
+"use strict";
+"use asm";
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+  var bar;
+}
+
+function foo() {
+  // comment
+  "use strict";
+  var bar;
+}
+```
+
+### before & after
+
+Examples of **incorrect** code for this rule with the `{ "before": "never", "after": "always" }` option:
+
+```js
+/* eslint lines-around-directive: ["error", { "before": "never", "after": "always" }] */
+
+/* Top of file */
+
+"use strict";
+var foo;
+
+/* Top of file */
+// comment
+
+"use strict";
+"use asm";
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+  var bar;
+}
+
+function foo() {
+  // comment
+
+  "use strict";
+  var bar;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "before": "never", "after": "always" }`  option:
+
+```js
+/* eslint lines-around-directive: ["error", { "before": "never", "after": "always" }] */
+
+/* Top of file */
+"use strict";
+
+var foo;
+
+/* Top of file */
+// comment
+"use strict";
+"use asm";
+
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+
+  var bar;
+}
+
+function foo() {
+  // comment
+  "use strict";
+
+  var bar;
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "before": "always", "after": "never" }` option:
+
+```js
+/* eslint lines-around-directive: ["error", { "before": "always", "after": "never" }] */
+
+/* Top of file */
+"use strict";
+
+var foo;
+
+/* Top of file */
+// comment
+"use strict";
+"use asm";
+
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+
+  var bar;
+}
+
+function foo() {
+  // comment
+  "use strict";
+
+  var bar;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "before": "always", "after": "never" }` option:
+
+```js
+/* eslint lines-around-directive: ["error", { "before": "always", "after": "never" }] */
+
+/* Top of file */
+"use strict";
+var foo;
+
+/* Top of file */
+// comment
+
+"use strict";
+"use asm";
+var foo;
+
+function foo() {
+  "use strict";
+  "use asm";
+  var bar;
+}
+
+function foo() {
+  // comment
+
+  "use strict";
+  var bar;
+}
+```
+
+## When Not To Use It
+
+You can safely disable this rule if you do not have any strict conventions about whether or not directive prologues should have blank newlines before or after them.
+
+## Related Rules
+
+* [lines-around-comment](lines-around-comment.md)
+* [padded-blocks](padded-blocks.md)
+
+## Compatibility
+
+* **JSCS**: [requirePaddingNewLinesAfterUseStrict](https://jscs-dev.github.io/rule/requirePaddingNewLinesAfterUseStrict)
+* **JSCS**: [disallowPaddingNewLinesAfterUseStrict](https://jscs-dev.github.io/rule/disallowPaddingNewLinesAfterUseStrict)
diff --git a/eslint/docs/rules/lines-between-class-members.md b/eslint/docs/rules/lines-between-class-members.md
new file mode 100644
index 0000000..c3b1449
--- /dev/null
+++ b/eslint/docs/rules/lines-between-class-members.md
@@ -0,0 +1,110 @@
+# require or disallow an empty line between class members (lines-between-class-members)
+
+This rule improves readability by enforcing lines between class members. It will not check empty lines before the first member and after the last member, since that is already taken care of by padded-blocks.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint lines-between-class-members: ["error", "always"]*/
+class MyClass {
+  foo() {
+    //...
+  }
+  bar() {
+    //...
+  }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint lines-between-class-members: ["error", "always"]*/
+class MyClass {
+  foo() {
+    //...
+  }
+
+  bar() {
+    //...
+  }
+}
+```
+
+### Options
+
+This rule has a string option and an object option.
+
+String option:
+
+* `"always"`(default) require an empty line after class members
+* `"never"` disallows an empty line after class members
+
+Object option:
+
+* `"exceptAfterSingleLine": false`(default) **do not** skip checking empty lines after single-line class members
+* `"exceptAfterSingleLine": true` skip checking empty lines after single-line class members
+
+Examples of **incorrect** code for this rule with the string option:
+
+```js
+/* eslint lines-between-class-members: ["error", "always"]*/
+class Foo{
+  bar(){}
+  baz(){}
+}
+
+/* eslint lines-between-class-members: ["error", "never"]*/
+class Foo{
+  bar(){}
+
+  baz(){}
+}
+```
+
+Examples of **correct** code for this rule with the string option:
+
+```js
+/* eslint lines-between-class-members: ["error", "always"]*/
+class Foo{
+  bar(){}
+
+  baz(){}
+}
+
+/* eslint lines-between-class-members: ["error", "never"]*/
+class Foo{
+  bar(){}
+  baz(){}
+}
+```
+
+Examples of **correct** code for this rule with the object option:
+
+```js
+/* eslint lines-between-class-members: ["error", "always", { exceptAfterSingleLine: true }]*/
+class Foo{
+  bar(){} // single line class member
+  baz(){
+    // multi line class member
+  }
+
+  qux(){}
+}
+```
+
+## When Not To Use It
+
+If you don't want to enforce empty lines between class members, you can disable this rule.
+
+## Related Rules
+
+* [padded-blocks](padded-blocks.md)
+* [padding-line-between-statements](padding-line-between-statements.md)
+
+## Compatibility
+
+* [requirePaddingNewLinesAfterBlocks](https://jscs-dev.github.io/rule/requirePaddingNewLinesAfterBlocks)
+* [disallowPaddingNewLinesAfterBlocks](https://jscs-dev.github.io/rule/disallowPaddingNewLinesAfterBlocks)
diff --git a/eslint/docs/rules/max-classes-per-file.md b/eslint/docs/rules/max-classes-per-file.md
new file mode 100644
index 0000000..98ca1d1
--- /dev/null
+++ b/eslint/docs/rules/max-classes-per-file.md
@@ -0,0 +1,49 @@
+# enforce a maximum number of classes per file (max-classes-per-file)
+
+Files containing multiple classes can often result in a less navigable
+and poorly structured codebase. Best practice is to keep each file
+limited to a single responsibility.
+
+## Rule Details
+
+This rule enforces that each file may contain only a particular number
+of classes and no more.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint max-classes-per-file: "error"*/
+
+class Foo {}
+class Bar {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint max-classes-per-file: "error"*/
+
+class Foo {}
+```
+
+## Options
+
+This rule has a numeric option (defaulted to 1) to specify the
+maximum number of classes.
+
+For example:
+
+```json
+{
+    "max-classes-per-file": ["error", 1]
+}
+```
+
+Examples of **correct** code for this rule with the numeric option set to `2`:
+
+```js
+/* eslint max-classes-per-file: ["error", 2] */
+
+class Foo {}
+class Bar {}
+```
diff --git a/eslint/docs/rules/max-depth.md b/eslint/docs/rules/max-depth.md
new file mode 100644
index 0000000..b853d02
--- /dev/null
+++ b/eslint/docs/rules/max-depth.md
@@ -0,0 +1,65 @@
+# enforce a maximum depth that blocks can be nested (max-depth)
+
+Many developers consider code difficult to read if blocks are nested beyond a certain depth.
+
+## Rule Details
+
+This rule enforces a maximum depth that blocks can be nested to reduce code complexity.
+
+## Options
+
+This rule has a number or object option:
+
+* `"max"` (default `4`) enforces a maximum depth that blocks can be nested
+
+**Deprecated:** The object property `maximum` is deprecated; please use the object property `max` instead.
+
+### max
+
+Examples of **incorrect** code for this rule with the default `{ "max": 4 }` option:
+
+```js
+/*eslint max-depth: ["error", 4]*/
+/*eslint-env es6*/
+
+function foo() {
+    for (;;) { // Nested 1 deep
+        while (true) { // Nested 2 deep
+            if (true) { // Nested 3 deep
+                if (true) { // Nested 4 deep
+                    if (true) { // Nested 5 deep
+                    }
+                }
+            }
+        }
+    }
+}
+```
+
+Examples of **correct** code for this rule with the default `{ "max": 4 }` option:
+
+```js
+/*eslint max-depth: ["error", 4]*/
+/*eslint-env es6*/
+
+function foo() {
+    for (;;) { // Nested 1 deep
+        while (true) { // Nested 2 deep
+            if (true) { // Nested 3 deep
+                if (true) { // Nested 4 deep
+                }
+            }
+        }
+    }
+}
+```
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/max-len.md b/eslint/docs/rules/max-len.md
new file mode 100644
index 0000000..7aa755a
--- /dev/null
+++ b/eslint/docs/rules/max-len.md
@@ -0,0 +1,161 @@
+# enforce a maximum line length (max-len)
+
+Very long lines of code in any language can be difficult to read. In order to aid in readability and maintainability many coders have developed a convention to limit lines of code to X number of characters (traditionally 80 characters).
+
+```js
+var foo = { "bar": "This is a bar.", "baz": { "qux": "This is a qux" }, "difficult": "to read" }; // very long
+```
+
+## Rule Details
+
+This rule enforces a maximum line length to increase code readability and maintainability. The length of a line is defined as the number of Unicode characters in the line.
+
+## Options
+
+This rule has a number or object option:
+
+* `"code"` (default `80`) enforces a maximum line length
+* `"tabWidth"` (default `4`) specifies the character width for tab characters
+* `"comments"` enforces a maximum line length for comments; defaults to value of `code`
+* `"ignorePattern"` ignores lines matching a regular expression; can only match a single line and need to be double escaped when written in YAML or JSON
+* `"ignoreComments": true` ignores all trailing comments and comments on their own line
+* `"ignoreTrailingComments": true` ignores only trailing comments
+* `"ignoreUrls": true` ignores lines that contain a URL
+* `"ignoreStrings": true` ignores lines that contain a double-quoted or single-quoted string
+* `"ignoreTemplateLiterals": true` ignores lines that contain a template literal
+* `"ignoreRegExpLiterals": true` ignores lines that contain a RegExp literal
+
+### code
+
+Examples of **incorrect** code for this rule with the default `{ "code": 80 }` option:
+
+```js
+/*eslint max-len: ["error", { "code": 80 }]*/
+
+var foo = { "bar": "This is a bar.", "baz": { "qux": "This is a qux" }, "difficult": "to read" };
+```
+
+Examples of **correct** code for this rule with the default `{ "code": 80 }` option:
+
+```js
+/*eslint max-len: ["error", { "code": 80 }]*/
+
+var foo = {
+  "bar": "This is a bar.",
+  "baz": { "qux": "This is a qux" },
+  "easier": "to read"
+};
+```
+
+### tabWidth
+
+Examples of **incorrect** code for this rule with the default `{ "tabWidth": 4 }` option:
+
+```js
+/*eslint max-len: ["error", { "code": 80, "tabWidth": 4 }]*/
+
+\t  \t  var foo = { "bar": "This is a bar.", "baz": { "qux": "This is a qux" } };
+```
+
+Examples of **correct** code for this rule with the default `{ "tabWidth": 4 }` option:
+
+```js
+/*eslint max-len: ["error", { "code": 80, "tabWidth": 4 }]*/
+
+\t  \t  var foo = {
+\t  \t  \t  \t  "bar": "This is a bar.",
+\t  \t  \t  \t  "baz": { "qux": "This is a qux" }
+\t  \t  };
+```
+
+### comments
+
+Examples of **incorrect** code for this rule with the `{ "comments": 65 }` option:
+
+```js
+/*eslint max-len: ["error", { "comments": 65 }]*/
+
+/**
+ * This is a comment that violates the maximum line length we have specified
+**/
+```
+
+### ignoreComments
+
+Examples of **correct** code for this rule with the `{ "ignoreComments": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreComments": true }]*/
+
+/**
+ * This is a really really really really really really really really really long comment
+**/
+```
+
+### ignoreTrailingComments
+
+Examples of **correct** code for this rule with the `{ "ignoreTrailingComments": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreTrailingComments": true }]*/
+
+var foo = 'bar'; // This is a really really really really really really really long comment
+```
+
+### ignoreUrls
+
+Examples of **correct** code for this rule with the `{ "ignoreUrls": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreUrls": true }]*/
+
+var url = 'https://www.example.com/really/really/really/really/really/really/really/long';
+```
+
+### ignoreStrings
+
+Examples of **correct** code for this rule with the `{ "ignoreStrings": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreStrings": true }]*/
+
+var longString = 'this is a really really really really really long string!';
+```
+
+### ignoreTemplateLiterals
+
+Examples of **correct** code for this rule with the `{ "ignoreTemplateLiterals": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreTemplateLiterals": true }]*/
+
+var longTemplateLiteral = `this is a really really really really really long template literal!`;
+```
+
+### ignoreRegExpLiterals
+
+Examples of **correct** code for this rule with the `{ "ignoreRegExpLiterals": true }` option:
+
+```js
+/*eslint max-len: ["error", { "ignoreRegExpLiterals": true }]*/
+
+var longRegExpLiteral = /this is a really really really really really long regular expression!/;
+```
+
+### ignorePattern
+
+Examples of **correct** code for this rule with the `ignorePattern` option:
+
+```js
+/*eslint max-len: ["error", { "ignorePattern": "^\\s*var\\s.+=\\s*require\\s*\\(" }]*/
+
+var dep = require('really/really/really/really/really/really/really/really/long/module');
+```
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/max-lines-per-function.md b/eslint/docs/rules/max-lines-per-function.md
new file mode 100644
index 0000000..22ffea7
--- /dev/null
+++ b/eslint/docs/rules/max-lines-per-function.md
@@ -0,0 +1,191 @@
+# enforce a maximum function length (max-lines-per-function)
+
+Some people consider large functions a code smell. Large functions tend to do a lot of things and can make it hard following what's going on. Many coding style guides dictate a limit of the number of lines that a function can comprise of. This rule can help enforce that style.
+
+## Rule Details
+
+This rule enforces a maximum number of lines per function, in order to aid in maintainability and reduce complexity.
+
+## Why not use `max-statements` or other complexity measurement rules instead?
+
+Nested long method chains like the below example are often broken onto separate lines for readability:
+
+```
+function() {
+    return m("div", [
+        m("table", {className: "table table-striped latest-data"}, [
+            m("tbody",
+                data.map(function(db) {
+                    return m("tr", {key: db.dbname}, [
+                        m("td", {className: "dbname"}, db.dbname),
+                        m("td", {className: "query-count"},  [
+                            m("span", {className: db.lastSample.countClassName}, db.lastSample.nbQueries)
+                        ])
+                    ])
+                })
+            )
+        ])
+    ])
+}
+```
+
+* `max-statements` will only report this as 1 statement, despite being 16 lines of code.
+* `complexity` will only report a complexity of 1
+* `max-nested-callbacks` will only report 1
+* `max-depth` will report a depth of 0
+
+## Options
+
+This rule has the following options that can be specified using an object:
+
+* `"max"` (default `50`) enforces a maximum number of lines in a function.
+
+* `"skipBlankLines"` (default `false`) ignore lines made up purely of whitespace.
+
+* `"skipComments"` (default `false`) ignore lines containing just comments.
+
+* `"IIFEs"` (default `false`) include any code included in IIFEs.
+
+Alternatively, you may specify a single integer for the `max` option:
+
+```json
+"max-lines-per-function": ["error", 20]
+```
+
+is equivalent to
+
+```json
+"max-lines-per-function": ["error", { "max": 20 }]
+```
+
+### code
+
+Examples of **incorrect** code for this rule with a max value of `2`:
+
+```js
+/*eslint max-lines-per-function: ["error", 2]*/
+function foo() {
+    var x = 0;
+}
+```
+
+```js
+/*eslint max-lines-per-function: ["error", 2]*/
+function foo() {
+    // a comment
+    var x = 0;
+}
+```
+
+```js
+/*eslint max-lines-per-function: ["error", 2]*/
+function foo() {
+    // a comment followed by a blank line
+
+    var x = 0;
+}
+```
+
+Examples of **correct** code for this rule with a max value of `3`:
+
+```js
+/*eslint max-lines-per-function: ["error", 3]*/
+function foo() {
+    var x = 0;
+}
+```
+
+```js
+/*eslint max-lines-per-function: ["error", 3]*/
+function foo() {
+    // a comment
+    var x = 0;
+}
+```
+
+```js
+/*eslint max-lines-per-function: ["error", 3]*/
+function foo() {
+    // a comment followed by a blank line
+
+    var x = 0;
+}
+```
+
+### skipBlankLines
+
+Examples of **incorrect** code for this rule with the `{ "skipBlankLines": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 2, "skipBlankLines": true}]*/
+function foo() {
+
+    var x = 0;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "skipBlankLines": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 3, "skipBlankLines": true}]*/
+function foo() {
+
+    var x = 0;
+}
+```
+
+### skipComments
+
+Examples of **incorrect** code for this rule with the `{ "skipComments": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 2, "skipComments": true}]*/
+function foo() {
+    // a comment
+    var x = 0;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "skipComments": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 3, "skipComments": true}]*/
+function foo() {
+    // a comment
+    var x = 0;
+}
+```
+
+### IIFEs
+
+Examples of **incorrect** code for this rule with the `{ "IIFEs": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 2, "IIFEs": true}]*/
+(function(){
+    var x = 0;
+}());
+```
+
+Examples of **correct** code for this rule with the `{ "IIFEs": true }` option:
+
+```js
+/*eslint max-lines-per-function: ["error", {"max": 3, "IIFEs": true}]*/
+(function(){
+    var x = 0;
+}());
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the number of lines in your functions.
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-lines](max-lines.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
+* [max-statements-per-line](max-statements-per-line.md)
diff --git a/eslint/docs/rules/max-lines.md b/eslint/docs/rules/max-lines.md
new file mode 100644
index 0000000..0019e98
--- /dev/null
+++ b/eslint/docs/rules/max-lines.md
@@ -0,0 +1,126 @@
+# enforce a maximum file length (max-lines)
+
+Some people consider large files a code smell. Large files tend to do a lot of things and can make it hard following what's going. While there is not an objective maximum number of lines considered acceptable in a file, most people would agree it should not be in the thousands. Recommendations usually range from 100 to 500 lines.
+
+## Rule Details
+
+This rule enforces a maximum number of lines per file, in order to aid in maintainability and reduce complexity.
+
+
+## Options
+
+This rule has a number or object option:
+
+* `"max"` (default `300`) enforces a maximum number of lines in a file
+
+* `"skipBlankLines": true` ignore lines made up purely of whitespace.
+
+* `"skipComments": true` ignore lines containing just comments
+
+### code
+
+Examples of **incorrect** code for this rule with a max value of `2`:
+
+```js
+/*eslint max-lines: ["error", 2]*/
+var a,
+    b,
+    c;
+```
+
+```js
+/*eslint max-lines: ["error", 2]*/
+
+var a,
+    b,c;
+```
+
+```js
+/*eslint max-lines: ["error", 2]*/
+// a comment
+var a,
+    b,c;
+```
+
+Examples of **correct** code for this rule with a max value of `2`:
+
+```js
+/*eslint max-lines: ["error", 2]*/
+var a,
+    b, c;
+```
+
+```js
+/*eslint max-lines: ["error", 2]*/
+
+var a, b, c;
+```
+
+```js
+/*eslint max-lines: ["error", 2]*/
+// a comment
+var a, b, c;
+```
+
+### skipBlankLines
+
+Examples of **incorrect** code for this rule with the `{ "skipBlankLines": true }` option:
+
+```js
+/*eslint max-lines: ["error", {"max": 2, "skipBlankLines": true}]*/
+
+var a,
+    b,
+    c;
+```
+
+Examples of **correct** code for this rule with the `{ "skipBlankLines": true }` option:
+
+```js
+/*eslint max-lines: ["error", {"max": 2, "skipBlankLines": true}]*/
+
+var a,
+    b, c;
+```
+
+### skipComments
+
+Examples of **incorrect** code for this rule with the `{ "skipComments": true }` option:
+
+```js
+/*eslint max-lines: ["error", {"max": 2, "skipComments": true}]*/
+// a comment
+var a,
+    b,
+    c;
+```
+
+Examples of **correct** code for this rule with the `{ "skipComments": true }` option:
+
+```js
+/*eslint max-lines: ["error", {"max": 2, "skipComments": true}]*/
+// a comment
+var a,
+    b, c;
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the number of lines in your files.
+
+## Further reading
+
+* [Software Module size and file size](https://web.archive.org/web/20160725154648/http://www.mind2b.com/component/content/article/24-software-module-size-and-file-size)
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
+
+## Compatibility
+
+* **JSCS**: [maximumNumberOfLines](https://jscs-dev.github.io/rule/maximumNumberOfLines)
diff --git a/eslint/docs/rules/max-nested-callbacks.md b/eslint/docs/rules/max-nested-callbacks.md
new file mode 100644
index 0000000..24e4b90
--- /dev/null
+++ b/eslint/docs/rules/max-nested-callbacks.md
@@ -0,0 +1,85 @@
+# enforce a maximum depth that callbacks can be nested (max-nested-callbacks)
+
+Many JavaScript libraries use the callback pattern to manage asynchronous operations. A program of any complexity will most likely need to manage several asynchronous operations at various levels of concurrency. A common pitfall that is easy to fall into is nesting callbacks, which makes code more difficult to read the deeper the callbacks are nested.
+
+```js
+foo(function () {
+    bar(function () {
+        baz(function() {
+            qux(function () {
+
+            });
+        });
+    });
+});
+```
+
+## Rule Details
+
+This rule enforces a maximum depth that callbacks can be nested to increase code clarity.
+
+## Options
+
+This rule has a number or object option:
+
+* `"max"` (default `10`) enforces a maximum depth that callbacks can be nested
+
+**Deprecated:** The object property `maximum` is deprecated; please use the object property `max` instead.
+
+### max
+
+Examples of **incorrect** code for this rule with the `{ "max": 3 }` option:
+
+```js
+/*eslint max-nested-callbacks: ["error", 3]*/
+
+foo1(function() {
+    foo2(function() {
+        foo3(function() {
+            foo4(function() {
+                // Do something
+            });
+        });
+    });
+});
+```
+
+Examples of **correct** code for this rule with the `{ "max": 3 }` option:
+
+```js
+/*eslint max-nested-callbacks: ["error", 3]*/
+
+foo1(handleFoo1);
+
+function handleFoo1() {
+    foo2(handleFoo2);
+}
+
+function handleFoo2() {
+    foo3(handleFoo3);
+}
+
+function handleFoo3() {
+    foo4(handleFoo4);
+}
+
+function handleFoo4() {
+    foo5();
+}
+```
+
+## Further Reading
+
+* [Control flow in Node.js](http://book.mixu.net/node/ch7.html)
+* [Control Flow in Node](https://howtonode.org/control-flow)
+* [Control Flow in Node Part II](https://howtonode.org/control-flow-part-ii)
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/max-params.md b/eslint/docs/rules/max-params.md
new file mode 100644
index 0000000..050d2a3
--- /dev/null
+++ b/eslint/docs/rules/max-params.md
@@ -0,0 +1,63 @@
+# enforce a maximum number of parameters in function definitions (max-params)
+
+Functions that take numerous parameters can be difficult to read and write because it requires the memorization of what each parameter is, its type, and the order they should appear in. As a result, many coders adhere to a convention that caps the number of parameters a function can take.
+
+```js
+function foo (bar, baz, qux, qxx) { // four parameters, may be too many
+    doSomething();
+}
+```
+
+## Rule Details
+
+This rule enforces a maximum number of parameters allowed in function definitions.
+
+## Options
+
+This rule has a number or object option:
+
+* `"max"` (default `3`) enforces a maximum number of parameters in function definitions
+
+**Deprecated:** The object property `maximum` is deprecated; please use the object property `max` instead.
+
+### max
+
+Examples of **incorrect** code for this rule with the default `{ "max": 3 }` option:
+
+```js
+/*eslint max-params: ["error", 3]*/
+/*eslint-env es6*/
+
+function foo (bar, baz, qux, qxx) {
+    doSomething();
+}
+
+let foo = (bar, baz, qux, qxx) => {
+    doSomething();
+};
+```
+
+Examples of **correct** code for this rule with the default `{ "max": 3 }` option:
+
+```js
+/*eslint max-params: ["error", 3]*/
+/*eslint-env es6*/
+
+function foo (bar, baz, qux) {
+    doSomething();
+}
+
+let foo = (bar, baz, qux) => {
+    doSomething();
+};
+```
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/max-statements-per-line.md b/eslint/docs/rules/max-statements-per-line.md
new file mode 100644
index 0000000..e8462b6
--- /dev/null
+++ b/eslint/docs/rules/max-statements-per-line.md
@@ -0,0 +1,87 @@
+# enforce a maximum number of statements allowed per line (max-statements-per-line)
+
+A line of code containing too many statements can be difficult to read. Code is generally read from the top down, especially when scanning, so limiting the number of statements allowed on a single line can be very beneficial for readability and maintainability.
+
+```js
+function foo () { var bar; if (condition) { bar = 1; } else { bar = 2; } return true; } // too many statements
+```
+
+## Rule Details
+
+This rule enforces a maximum number of statements allowed per line.
+
+## Options
+
+### max
+
+The "max" object property is optional (default: 1).
+
+Examples of **incorrect** code for this rule with the default `{ "max": 1 }` option:
+
+```js
+/*eslint max-statements-per-line: ["error", { "max": 1 }]*/
+
+var bar; var baz;
+if (condition) { bar = 1; }
+for (var i = 0; i < length; ++i) { bar = 1; }
+switch (discriminant) { default: break; }
+function foo() { bar = 1; }
+var foo = function foo() { bar = 1; };
+(function foo() { bar = 1; })();
+```
+
+Examples of **correct** code for this rule with the default `{ "max": 1 }` option:
+
+```js
+/*eslint max-statements-per-line: ["error", { "max": 1 }]*/
+
+var bar, baz;
+if (condition) bar = 1;
+for (var i = 0; i < length; ++i);
+switch (discriminant) { default: }
+function foo() { }
+var foo = function foo() { };
+(function foo() { })();
+```
+
+Examples of **incorrect** code for this rule with the `{ "max": 2 }` option:
+
+```js
+/*eslint max-statements-per-line: ["error", { "max": 2 }]*/
+
+var bar; var baz; var qux;
+if (condition) { bar = 1; } else { baz = 2; }
+for (var i = 0; i < length; ++i) { bar = 1; baz = 2; }
+switch (discriminant) { case 'test': break; default: break; }
+function foo() { bar = 1; baz = 2; }
+var foo = function foo() { bar = 1; };
+(function foo() { bar = 1; baz = 2; })();
+```
+
+Examples of **correct** code for this rule with the `{ "max": 2 }` option:
+
+```js
+/*eslint max-statements-per-line: ["error", { "max": 2 }]*/
+
+var bar; var baz;
+if (condition) bar = 1; if (condition) baz = 2;
+for (var i = 0; i < length; ++i) { bar = 1; }
+switch (discriminant) { default: break; }
+function foo() { bar = 1; }
+var foo = function foo() { bar = 1; };
+(function foo() { var bar = 1; })();
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the number of statements on each line.
+
+## Related Rules
+
+* [max-depth](max-depth.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
+* [max-statements](max-statements.md)
diff --git a/eslint/docs/rules/max-statements.md b/eslint/docs/rules/max-statements.md
new file mode 100644
index 0000000..6ef87c2
--- /dev/null
+++ b/eslint/docs/rules/max-statements.md
@@ -0,0 +1,145 @@
+# enforce a maximum number of statements allowed in function blocks (max-statements)
+
+The `max-statements` rule allows you to specify the maximum number of statements allowed in a function.
+
+```js
+function foo() {
+  var bar = 1; // one statement
+  var baz = 2; // two statements
+  var qux = 3; // three statements
+}
+```
+
+## Rule Details
+
+This rule enforces a maximum number of statements allowed in function blocks.
+
+## Options
+
+This rule has a number or object option:
+
+* `"max"` (default `10`) enforces a maximum number of statements allows in function blocks
+
+**Deprecated:** The object property `maximum` is deprecated; please use the object property `max` instead.
+
+This rule has an object option:
+
+* `"ignoreTopLevelFunctions": true` ignores top-level functions
+
+### max
+
+Examples of **incorrect** code for this rule with the default `{ "max": 10 }` option:
+
+```js
+/*eslint max-statements: ["error", 10]*/
+/*eslint-env es6*/
+
+function foo() {
+  var foo1 = 1;
+  var foo2 = 2;
+  var foo3 = 3;
+  var foo4 = 4;
+  var foo5 = 5;
+  var foo6 = 6;
+  var foo7 = 7;
+  var foo8 = 8;
+  var foo9 = 9;
+  var foo10 = 10;
+
+  var foo11 = 11; // Too many.
+}
+
+let foo = () => {
+  var foo1 = 1;
+  var foo2 = 2;
+  var foo3 = 3;
+  var foo4 = 4;
+  var foo5 = 5;
+  var foo6 = 6;
+  var foo7 = 7;
+  var foo8 = 8;
+  var foo9 = 9;
+  var foo10 = 10;
+
+  var foo11 = 11; // Too many.
+};
+```
+
+Examples of **correct** code for this rule with the default `{ "max": 10 }` option:
+
+```js
+/*eslint max-statements: ["error", 10]*/
+/*eslint-env es6*/
+
+function foo() {
+  var foo1 = 1;
+  var foo2 = 2;
+  var foo3 = 3;
+  var foo4 = 4;
+  var foo5 = 5;
+  var foo6 = 6;
+  var foo7 = 7;
+  var foo8 = 8;
+  var foo9 = 9;
+  var foo10 = 10;
+  return function () {
+
+    // The number of statements in the inner function does not count toward the
+    // statement maximum.
+
+    return 42;
+  };
+}
+
+let foo = () => {
+  var foo1 = 1;
+  var foo2 = 2;
+  var foo3 = 3;
+  var foo4 = 4;
+  var foo5 = 5;
+  var foo6 = 6;
+  var foo7 = 7;
+  var foo8 = 8;
+  var foo9 = 9;
+  var foo10 = 10;
+  return function () {
+
+    // The number of statements in the inner function does not count toward the
+    // statement maximum.
+
+    return 42;
+  };
+}
+```
+
+### ignoreTopLevelFunctions
+
+Examples of additional **correct** code for this rule with the `{ "max": 10 }, { "ignoreTopLevelFunctions": true }` options:
+
+```js
+/*eslint max-statements: ["error", 10, { "ignoreTopLevelFunctions": true }]*/
+
+function foo() {
+  var foo1 = 1;
+  var foo2 = 2;
+  var foo3 = 3;
+  var foo4 = 4;
+  var foo5 = 5;
+  var foo6 = 6;
+  var foo7 = 7;
+  var foo8 = 8;
+  var foo9 = 9;
+  var foo10 = 10;
+  var foo11 = 11;
+}
+```
+
+## Related Rules
+
+* [complexity](complexity.md)
+* [max-depth](max-depth.md)
+* [max-len](max-len.md)
+* [max-lines](max-lines.md)
+* [max-lines-per-function](max-lines-per-function.md)
+* [max-nested-callbacks](max-nested-callbacks.md)
+* [max-params](max-params.md)
diff --git a/eslint/docs/rules/multiline-comment-style.md b/eslint/docs/rules/multiline-comment-style.md
new file mode 100644
index 0000000..32beddd
--- /dev/null
+++ b/eslint/docs/rules/multiline-comment-style.md
@@ -0,0 +1,123 @@
+# enforce a particular style for multiline comments (multiline-comment-style)
+
+Many style guides require a particular style for comments that span multiple lines. For example, some style guides prefer the use of a single block comment for multiline comments, whereas other style guides prefer consecutive line comments.
+
+## Rule Details
+
+This rule aims to enforce a particular style for multiline comments.
+
+### Options
+
+This rule has a string option, which can have one of the following values:
+
+* `"starred-block"` (default): Disallows consecutive line comments in favor of block comments. Additionally, requires block comments to have an aligned `*` character before each line.
+* `"bare-block"`: Disallows consecutive line comments in favor of block comments, and disallows block comments from having a `"*"` character before each line.
+* `"separate-lines"`: Disallows block comments in favor of consecutive line comments
+
+The rule always ignores directive comments such as `/* eslint-disable */`. Additionally, unless the mode is `"starred-block"`, the rule ignores JSDoc comments.
+
+Examples of **incorrect** code for this rule with the default `"starred-block"` option:
+
+```js
+
+/* eslint multiline-comment-style: ["error", "starred-block"] */
+
+// this line
+// calls foo()
+foo();
+
+/* this line
+calls foo() */
+foo();
+
+/* this comment
+ * is missing a newline after /*
+ */
+
+/*
+ * this comment
+ * is missing a newline at the end */
+
+/*
+* the star in this line should have a space before it
+ */
+
+/*
+ * the star on the following line should have a space before it
+*/
+
+```
+
+Examples of **correct** code for this rule with the default `"starred-block"` option:
+
+```js
+/* eslint multiline-comment-style: ["error", "starred-block"] */
+
+/*
+ * this line
+ * calls foo()
+ */
+foo();
+
+// single-line comment
+```
+
+Examples of **incorrect** code for this rule with the `"bare-block"` option:
+
+```js
+/* eslint multiline-comment-style: ["error", "bare-block"] */
+
+// this line
+// calls foo()
+foo();
+
+/*
+ * this line
+ * calls foo()
+ */
+foo();
+```
+
+Examples of **correct** code for this rule with the `"bare-block"` option:
+
+```js
+/* eslint multiline-comment-style: ["error", "bare-block"] */
+
+/* this line
+   calls foo() */
+foo();
+```
+
+Examples of **incorrect** code for this rule with the `"separate-lines"` option:
+
+```js
+
+/* eslint multiline-comment-style: ["error", "separate-lines"] */
+
+/* This line
+calls foo() */
+foo();
+
+/*
+ * This line
+ * calls foo()
+ */
+foo();
+
+```
+
+Examples of **correct** code for this rule with the `"separate-lines"` option:
+
+```js
+/* eslint multiline-comment-style: ["error", "separate-lines"] */
+
+// This line
+// calls foo()
+foo();
+
+
+```
+
+## When Not To Use It
+
+If you don't want to enforce a particular style for multiline comments, you can disable the rule.
diff --git a/eslint/docs/rules/multiline-ternary.md b/eslint/docs/rules/multiline-ternary.md
new file mode 100644
index 0000000..e9461a1
--- /dev/null
+++ b/eslint/docs/rules/multiline-ternary.md
@@ -0,0 +1,149 @@
+# Enforce or disallow newlines between operands of ternary expressions (multiline-ternary)
+
+JavaScript allows operands of ternary expressions to be separated by newlines, which can improve the readability of your program.
+
+For example:
+
+```js
+var foo = bar > baz ? value1 : value2;
+```
+
+The above can be rewritten as the following to improve readability and more clearly delineate the operands:
+
+```js
+var foo = bar > baz ?
+    value1 :
+    value2;
+```
+
+## Rule Details
+
+This rule enforces or disallows newlines between operands of a ternary expression.
+Note: The location of the operators is not enforced by this rule. Please see the [operator-linebreak](operator-linebreak.md) rule if you are interested in enforcing the location of the operators themselves.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) enforces newlines between the operands of a ternary expression.
+* `"always-multiline"` enforces newlines between the operands of a ternary expression if the expression spans multiple lines.
+* `"never"` disallows newlines between the operands of a ternary expression (enforcing that the entire ternary expression is on one line).
+
+### always
+
+This is the default option.
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "always"]*/
+
+foo > bar ? value1 : value2;
+
+foo > bar ? value :
+    value2;
+
+foo > bar ?
+    value : value2;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "always"]*/
+
+foo > bar ?
+    value1 :
+    value2;
+
+foo > bar ?
+    (baz > qux ?
+        value1 :
+        value2) :
+    value3;
+```
+
+### always-multiline
+
+Examples of **incorrect** code for this rule with the `"always-multiline"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "always-multiline"]*/
+
+foo > bar ? value1 :
+    value2;
+
+foo > bar ?
+    value1 : value2;
+
+foo > bar &&
+    bar > baz ? value1 : value2;
+```
+
+Examples of **correct** code for this rule with the `"always-multiline"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "always-multiline"]*/
+
+foo > bar ? value1 : value2;
+
+foo > bar ?
+    value1 :
+    value2;
+
+foo > bar ?
+    (baz > qux ? value1 : value2) :
+    value3;
+
+foo > bar ?
+    (baz > qux ?
+        value1 :
+        value2) :
+    value3;
+
+foo > bar &&
+    bar > baz ?
+        value1 :
+        value2;
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "never"]*/
+
+foo > bar ? value :
+    value2;
+
+foo > bar ?
+    value : value2;
+
+foo >
+    bar ?
+    value1 :
+    value2;
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint multiline-ternary: ["error", "never"]*/
+
+foo > bar ? value1 : value2;
+
+foo > bar ? (baz > qux ? value1 : value2) : value3;
+```
+
+## When Not To Use It
+
+You can safely disable this rule if you do not have any strict conventions about whether the operands of a ternary expression should be separated by newlines.
+
+## Related Rules
+
+* [operator-linebreak](operator-linebreak.md)
+
+## Compatibility
+
+* **JSCS**: [requireMultiLineTernary](https://jscs-dev.github.io/rule/requireMultiLineTernary)
diff --git a/eslint/docs/rules/new-cap.md b/eslint/docs/rules/new-cap.md
new file mode 100644
index 0000000..22ac577
--- /dev/null
+++ b/eslint/docs/rules/new-cap.md
@@ -0,0 +1,175 @@
+# require constructor names to begin with a capital letter (new-cap)
+
+The `new` operator in JavaScript creates a new instance of a particular type of object. That type of object is represented by a constructor function. Since constructor functions are just regular functions, the only defining characteristic is that `new` is being used as part of the call. Native JavaScript functions begin with an uppercase letter to distinguish those functions that are to be used as constructors from functions that are not. Many style guides recommend following this pattern to more easily determine which functions are to be used as constructors.
+
+```js
+var friend = new Person();
+```
+
+## Rule Details
+
+This rule requires constructor names to begin with a capital letter. Certain built-in identifiers are exempt from this rule. These identifiers are:
+
+* `Array`
+* `Boolean`
+* `Date`
+* `Error`
+* `Function`
+* `Number`
+* `Object`
+* `RegExp`
+* `String`
+* `Symbol`
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint new-cap: "error"*/
+
+function foo(arg) {
+    return Boolean(arg);
+}
+```
+
+## Options
+
+This rule has an object option:
+
+* `"newIsCap": true` (default) requires all `new` operators to be called with uppercase-started functions.
+* `"newIsCap": false` allows `new` operators to be called with lowercase-started or uppercase-started functions.
+* `"capIsNew": true` (default) requires all uppercase-started functions to be called with `new` operators.
+* `"capIsNew": false` allows uppercase-started functions to be called without `new` operators.
+* `"newIsCapExceptions"` allows specified lowercase-started function names to be called with the `new` operator.
+* `"newIsCapExceptionPattern"` allows any lowercase-started function names that match the specified regex pattern to be called with the `new` operator.
+* `"capIsNewExceptions"` allows specified uppercase-started function names to be called without the `new` operator.
+* `"capIsNewExceptionPattern"` allows any uppercase-started function names that match the specified regex pattern to be called without the `new` operator.
+* `"properties": true` (default) enables checks on object properties
+* `"properties": false` disables checks on object properties
+
+### newIsCap
+
+Examples of **incorrect** code for this rule with the default `{ "newIsCap": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "newIsCap": true }]*/
+
+var friend = new person();
+```
+
+Examples of **correct** code for this rule with the default `{ "newIsCap": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "newIsCap": true }]*/
+
+var friend = new Person();
+```
+
+Examples of **correct** code for this rule with the `{ "newIsCap": false }` option:
+
+```js
+/*eslint new-cap: ["error", { "newIsCap": false }]*/
+
+var friend = new person();
+```
+
+### capIsNew
+
+Examples of **incorrect** code for this rule with the default `{ "capIsNew": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "capIsNew": true }]*/
+
+var colleague = Person();
+```
+
+Examples of **correct** code for this rule with the default `{ "capIsNew": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "capIsNew": true }]*/
+
+var colleague = new Person();
+```
+
+Examples of **correct** code for this rule with the `{ "capIsNew": false }` option:
+
+```js
+/*eslint new-cap: ["error", { "capIsNew": false }]*/
+
+var colleague = Person();
+```
+
+### newIsCapExceptions
+
+Examples of additional **correct** code for this rule with the `{ "newIsCapExceptions": ["events"] }` option:
+
+```js
+/*eslint new-cap: ["error", { "newIsCapExceptions": ["events"] }]*/
+
+var events = require('events');
+
+var emitter = new events();
+```
+
+### newIsCapExceptionPattern
+
+Examples of additional **correct** code for this rule with the `{ "newIsCapExceptionPattern": "^person\.." }` option:
+
+```js
+/*eslint new-cap: ["error", { "newIsCapExceptionPattern": "^person\.." }]*/
+
+var friend = new person.acquaintance();
+var bestFriend = new person.friend();
+```
+
+### capIsNewExceptions
+
+Examples of additional **correct** code for this rule with the `{ "capIsNewExceptions": ["Person"] }` option:
+
+```js
+/*eslint new-cap: ["error", { "capIsNewExceptions": ["Person"] }]*/
+
+function foo(arg) {
+    return Person(arg);
+}
+```
+
+### capIsNewExceptionPattern
+
+Examples of additional **correct** code for this rule with the `{ "capIsNewExceptionPattern": "^Person\.." }` option:
+
+```js
+/*eslint new-cap: ["error", { "capIsNewExceptionPattern": "^Person\.." }]*/
+
+var friend = person.Acquaintance();
+var bestFriend = person.Friend();
+```
+
+### properties
+
+Examples of **incorrect** code for this rule with the default `{ "properties": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "properties": true }]*/
+
+var friend = new person.acquaintance();
+```
+
+Examples of **correct** code for this rule with the default `{ "properties": true }` option:
+
+```js
+/*eslint new-cap: ["error", { "properties": true }]*/
+
+var friend = new person.Acquaintance();
+```
+
+Examples of **correct** code for this rule with the `{ "properties": false }` option:
+
+```js
+/*eslint new-cap: ["error", { "properties": false }]*/
+
+var friend = new person.acquaintance();
+```
+
+## When Not To Use It
+
+If you have conventions that don't require an uppercase letter for constructors, or don't require capitalized functions be only used as constructors, turn this rule off.
diff --git a/eslint/docs/rules/new-parens.md b/eslint/docs/rules/new-parens.md
new file mode 100644
index 0000000..0b2a49b
--- /dev/null
+++ b/eslint/docs/rules/new-parens.md
@@ -0,0 +1,59 @@
+# require parentheses when invoking a constructor with no arguments (new-parens)
+
+JavaScript allows the omission of parentheses when invoking a function via the `new` keyword and the constructor has no arguments. However, some coders believe that omitting the parentheses is inconsistent with the rest of the language and thus makes code less clear.
+
+```js
+var person = new Person;
+```
+
+## Rule Details
+
+This rule can enforce or disallow parentheses when invoking a constructor with no arguments using the `new` keyword.
+
+## Options
+
+This rule takes one option.
+
+- `"always"` enforces parenthesis after a new constructor with no arguments (default)
+- `"never"` enforces no parenthesis after a new constructor with no arguments
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint new-parens: "error"*/
+
+var person = new Person;
+var person = new (Person);
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint new-parens: "error"*/
+
+var person = new Person();
+var person = new (Person)();
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint new-parens: ["error", "never"]*/
+
+var person = new Person();
+var person = new (Person)();
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint new-parens: ["error", "never"]*/
+
+var person = new Person;
+var person = (new Person);
+var person = new Person("Name");
+```
diff --git a/eslint/docs/rules/newline-after-var.md b/eslint/docs/rules/newline-after-var.md
new file mode 100644
index 0000000..43ec9ba
--- /dev/null
+++ b/eslint/docs/rules/newline-after-var.md
@@ -0,0 +1,142 @@
+# require or disallow an empty line after variable declarations (newline-after-var)
+
+This rule was **deprecated** in ESLint v4.0.0 and replaced by the [padding-line-between-statements](padding-line-between-statements.md) rule.
+
+As of today there is no consistency in separating variable declarations from the rest of the code. Some developers leave an empty line between var statements and the rest of the code like:
+
+```js
+var foo;
+
+// do something with foo
+```
+
+Whereas others don't leave any empty newlines at all.
+
+```js
+var foo;
+// do something with foo
+```
+
+The problem is when these developers work together in a project. This rule enforces a coding style where empty newlines are allowed or disallowed after `var`, `let`, or `const` statements. It helps the code to look consistent across the entire project.
+
+## Rule Details
+
+This rule enforces a coding style where empty lines are required or disallowed after `var`, `let`, or `const` statements to achieve a consistent coding style across the project.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` (default) requires an empty line after `var`, `let`, or `const`
+
+  Comments on a line directly after var statements are treated like additional var statements.
+
+* `"never"` disallows empty lines after `var`, `let`, or `const`
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint newline-after-var: ["error", "always"]*/
+/*eslint-env es6*/
+
+var greet = "hello,",
+    name = "world";
+console.log(greet, name);
+
+let greet = "hello,",
+    name = "world";
+console.log(greet, name);
+
+var greet = "hello,";
+const NAME = "world";
+console.log(greet, NAME);
+
+var greet = "hello,";
+var name = "world";
+// var name = require("world");
+console.log(greet, name);
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint newline-after-var: ["error", "always"]*/
+/*eslint-env es6*/
+
+var greet = "hello,",
+    name = "world";
+
+console.log(greet, name);
+
+let greet = "hello,",
+    name = "world";
+
+console.log(greet, name);
+
+var greet = "hello,";
+const NAME = "world";
+
+console.log(greet, NAME);
+
+var greet = "hello,";
+var name = "world";
+// var name = require("world");
+
+console.log(greet, name);
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint newline-after-var: ["error", "never"]*/
+/*eslint-env es6*/
+
+var greet = "hello,",
+    name = "world";
+
+console.log(greet, name);
+
+let greet = "hello,",
+    name = "world";
+
+console.log(greet, name);
+
+var greet = "hello,";
+const NAME = "world";
+
+console.log(greet, NAME);
+
+var greet = "hello,";
+var name = "world";
+// var name = require("world");
+
+console.log(greet, name);
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint newline-after-var: ["error", "never"]*/
+/*eslint-env es6*/
+
+var greet = "hello,",
+    name = "world";
+console.log(greet, name);
+
+let greet = "hello,",
+    name = "world";
+console.log(greet, name);
+
+var greet = "hello,";
+const NAME = "world";
+console.log(greet, NAME);
+
+var greet = "hello,";
+var name = "world";
+// var name = require("world");
+console.log(greet, name);
+```
diff --git a/eslint/docs/rules/newline-before-return.md b/eslint/docs/rules/newline-before-return.md
new file mode 100644
index 0000000..6709534
--- /dev/null
+++ b/eslint/docs/rules/newline-before-return.md
@@ -0,0 +1,116 @@
+# require an empty line before `return` statements (newline-before-return)
+
+This rule was **deprecated** in ESLint v4.0.0 and replaced by the [padding-line-between-statements](padding-line-between-statements.md) rule.
+
+There is no hard and fast rule about whether empty lines should precede `return` statements in JavaScript. However, clearly delineating where a function is returning can greatly increase the readability and clarity of the code. For example:
+
+```js
+function foo(bar) {
+  var baz = 'baz';
+  if (!bar) {
+    bar = baz;
+    return bar;
+  }
+  return bar;
+}
+```
+
+Adding newlines visibly separates the return statements from the previous lines, making it clear where the function exits and what value it returns:
+
+```js
+function foo(bar) {
+  var baz = 'baz';
+
+  if (!bar) {
+    bar = baz;
+
+    return bar;
+  }
+
+  return bar;
+}
+```
+
+## Rule Details
+
+This rule requires an empty line before `return` statements to increase code clarity, except when the `return` is alone inside a statement group (such as an if statement). In the latter case, the `return` statement does not need to be delineated by virtue of it being alone. Comments are ignored and do not count as empty lines.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint newline-before-return: "error"*/
+
+function foo(bar) {
+    if (!bar) {
+        return;
+    }
+    return bar;
+}
+
+function foo(bar) {
+    if (!bar) {
+        return;
+    }
+    /* multi-line
+    comment */
+    return bar;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint newline-before-return: "error"*/
+
+function foo() {
+    return;
+}
+
+function foo() {
+
+    return;
+}
+
+function foo(bar) {
+    if (!bar) return;
+}
+
+function foo(bar) {
+    if (!bar) { return };
+}
+
+function foo(bar) {
+    if (!bar) {
+        return;
+    }
+}
+
+function foo(bar) {
+    if (!bar) {
+        return;
+    }
+
+    return bar;
+}
+
+function foo(bar) {
+    if (!bar) {
+
+        return;
+    }
+}
+
+function foo() {
+
+    // comment
+    return;
+}
+```
+
+## When Not To Use It
+
+You can safely disable this rule if you do not have any strict conventions about whitespace before `return` statements.
+
+## Related Rules
+
+* [newline-after-var](newline-after-var.md)
diff --git a/eslint/docs/rules/newline-per-chained-call.md b/eslint/docs/rules/newline-per-chained-call.md
new file mode 100644
index 0000000..c4227c0
--- /dev/null
+++ b/eslint/docs/rules/newline-per-chained-call.md
@@ -0,0 +1,118 @@
+# require a newline after each call in a method chain (newline-per-chained-call)
+
+Chained method calls on a single line without line breaks are harder to read, so some developers place a newline character after each method call in the chain to make it more readable and easy to maintain.
+
+Let's look at the following perfectly valid (but single line) code.
+
+```js
+d3.select("body").selectAll("p").data([4, 8, 15, 16, 23, 42 ]).enter().append("p").text(function(d) { return "I'm number " + d + "!"; });
+```
+
+However, with appropriate new lines, it becomes easy to read and understand. Look at the same code written below with line breaks after each call.
+
+```js
+d3
+    .select("body")
+    .selectAll("p")
+    .data([
+        4,
+        8,
+        15,
+        16,
+        23,
+        42
+    ])
+    .enter()
+    .append("p")
+    .text(function (d) {
+        return "I'm number " + d + "!";
+    });
+```
+
+Another argument in favor of this style is that it improves the clarity of diffs when something in the method chain is changed:
+
+Less clear:
+
+```diff
+-d3.select("body").selectAll("p").style("color", "white");
++d3.select("body").selectAll("p").style("color", "blue");
+```
+
+More clear:
+
+```diff
+d3
+    .select("body")
+    .selectAll("p")
+-    .style("color", "white");
++    .style("color", "blue");
+```
+
+## Rule Details
+
+This rule requires a newline after each call in a method chain or deep member access. Computed property accesses such as `instance[something]` are excluded.
+
+## Options
+
+This rule has an object option:
+
+* `"ignoreChainWithDepth"` (default: `2`) allows chains up to a specified depth.
+
+### ignoreChainWithDepth
+
+Examples of **incorrect** code for this rule with the default `{ "ignoreChainWithDepth": 2 }` option:
+
+```js
+/*eslint newline-per-chained-call: ["error", { "ignoreChainWithDepth": 2 }]*/
+
+_.chain({}).map(foo).filter(bar).value();
+
+// Or
+_.chain({}).map(foo).filter(bar);
+
+// Or
+_
+  .chain({}).map(foo)
+  .filter(bar);
+
+// Or
+obj.method().method2().method3();
+```
+
+Examples of **correct** code for this rule with the default `{ "ignoreChainWithDepth": 2 }` option:
+
+```js
+/*eslint newline-per-chained-call: ["error", { "ignoreChainWithDepth": 2 }]*/
+
+_
+  .chain({})
+  .map(foo)
+  .filter(bar)
+  .value();
+
+// Or
+_
+  .chain({})
+  .map(foo)
+  .filter(bar);
+
+// Or
+_.chain({})
+  .map(foo)
+  .filter(bar);
+
+// Or
+obj
+  .prop
+  .method().prop;
+
+// Or
+obj
+  .prop.method()
+  .method2()
+  .method3().prop;
+```
+
+## When Not To Use It
+
+If you have conflicting rules or when you are fine with chained calls on one line, you can safely turn this rule off.
diff --git a/eslint/docs/rules/no-alert.md b/eslint/docs/rules/no-alert.md
new file mode 100644
index 0000000..6b7e664
--- /dev/null
+++ b/eslint/docs/rules/no-alert.md
@@ -0,0 +1,45 @@
+# Disallow Use of Alert (no-alert)
+
+JavaScript's `alert`, `confirm`, and `prompt` functions are widely considered to be obtrusive as UI elements and should be replaced by a more appropriate custom UI implementation. Furthermore, `alert` is often used while debugging code, which should be removed before deployment to production.
+
+```js
+alert("here!");
+```
+
+## Rule Details
+
+This rule is aimed at catching debugging code that should be removed and popup UI elements that should be replaced with less obtrusive, custom UIs. As such, it will warn when it encounters `alert`, `prompt`, and `confirm` function calls which are not shadowed.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-alert: "error"*/
+
+alert("here!");
+
+confirm("Are you sure?");
+
+prompt("What's your name?", "John Doe");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-alert: "error"*/
+
+customAlert("Something happened!");
+
+customConfirm("Are you sure?");
+
+customPrompt("Who are you?");
+
+function foo() {
+    var alert = myCustomLib.customAlert;
+    alert();
+}
+```
+
+## Related Rules
+
+* [no-console](no-console.md)
+* [no-debugger](no-debugger.md)
diff --git a/eslint/docs/rules/no-array-constructor.md b/eslint/docs/rules/no-array-constructor.md
new file mode 100644
index 0000000..863f56d
--- /dev/null
+++ b/eslint/docs/rules/no-array-constructor.md
@@ -0,0 +1,49 @@
+# disallow `Array` constructors (no-array-constructor)
+
+Use of the `Array` constructor to construct a new array is generally
+discouraged in favor of array literal notation because of the single-argument
+pitfall and because the `Array` global may be redefined. The exception is when
+the Array constructor is used to intentionally create sparse arrays of a
+specified size by giving the constructor a single numeric argument.
+
+## Rule Details
+
+This rule disallows `Array` constructors.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-array-constructor: "error"*/
+
+Array(0, 1, 2)
+```
+
+```js
+/*eslint no-array-constructor: "error"*/
+
+new Array(0, 1, 2)
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-array-constructor: "error"*/
+
+Array(500)
+```
+
+```js
+/*eslint no-array-constructor: "error"*/
+
+new Array(someOtherArray.length)
+```
+
+## When Not To Use It
+
+This rule enforces a nearly universal stylistic concern. That being said, this
+rule may be disabled if the constructor style is preferred.
+
+## Related Rules
+
+* [no-new-object](no-new-object.md)
+* [no-new-wrappers](no-new-wrappers.md)
diff --git a/eslint/docs/rules/no-arrow-condition.md b/eslint/docs/rules/no-arrow-condition.md
new file mode 100644
index 0000000..faa5566
--- /dev/null
+++ b/eslint/docs/rules/no-arrow-condition.md
@@ -0,0 +1,48 @@
+# no-arrow-condition: disallow arrow functions where test conditions are expected
+
+(removed) This rule was **removed** in ESLint v2.0 and **replaced** by a combination of the [no-confusing-arrow](no-confusing-arrow.md) and [no-constant-condition](no-constant-condition.md) rules.
+
+Arrow functions (`=>`) are similar in syntax to some comparison operators (`>`, `<`, `<=`, and `>=`). This rule warns against using the arrow function syntax in places where a condition is expected. Even if the arguments of the arrow function are wrapped with parens, this rule still warns about it.
+
+Here's an example where the usage of `=>` is most likely a typo:
+
+```js
+// This is probably a typo
+if (a => 1) {}
+// And should instead be
+if (a >= 1) {}
+```
+
+There are also cases where the usage of `=>` can be ambiguous and should be rewritten to more clearly show the author's intent:
+
+```js
+// The intent is not clear
+var x = a => 1 ? 2 : 3
+// Did the author mean this
+var x = function (a) { return a >= 1 ? 2 : 3 }
+// Or this
+var x = a <= 1 ? 2 : 3
+```
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-arrow-condition: "error"*/
+/*eslint-env es6*/
+
+if (a => 1) {}
+while (a => 1) {}
+for (var a = 1; a => 10; a++) {}
+a => 1 ? 2 : 3
+(a => 1) ? 2 : 3
+var x = a => 1 ? 2 : 3
+var x = (a) => 1 ? 2 : 3
+```
+
+## Related Rules
+
+* [arrow-parens](arrow-parens.md)
+* [no-confusing-arrow](no-confusing-arrow.md)
+* [no-constant-condition](no-constant-condition.md)
diff --git a/eslint/docs/rules/no-async-promise-executor.md b/eslint/docs/rules/no-async-promise-executor.md
new file mode 100644
index 0000000..58655b7
--- /dev/null
+++ b/eslint/docs/rules/no-async-promise-executor.md
@@ -0,0 +1,62 @@
+# disallow using an async function as a Promise executor (no-async-promise-executor)
+
+The `new Promise` constructor accepts an *executor* function as an argument, which has `resolve` and `reject` parameters that can be used to control the state of the created Promise. For example:
+
+```js
+const result = new Promise(function executor(resolve, reject) {
+  readFile('foo.txt', function(err, result) {
+    if (err) {
+      reject(err);
+    } else {
+      resolve(result);
+    }
+  });
+});
+```
+
+The executor function can also be an `async function`. However, this is usually a mistake, for a few reasons:
+
+* If an async executor function throws an error, the error will be lost and won't cause the newly-constructed `Promise` to reject. This could make it difficult to debug and handle some errors.
+* If a Promise executor function is using `await`, this is usually a sign that it is not actually necessary to use the `new Promise` constructor, or the scope of the `new Promise` constructor can be reduced.
+
+## Rule Details
+
+This rule aims to disallow async Promise executor functions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+const foo = new Promise(async (resolve, reject) => {
+  readFile('foo.txt', function(err, result) {
+    if (err) {
+      reject(err);
+    } else {
+      resolve(result);
+    }
+  });
+});
+
+const result = new Promise(async (resolve, reject) => {
+  resolve(await foo);
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+const foo = new Promise((resolve, reject) => {
+  readFile('foo.txt', function(err, result) {
+    if (err) {
+      reject(err);
+    } else {
+      resolve(result);
+    }
+  });
+});
+
+const result = Promise.resolve(foo);
+```
+
+## When Not To Use It
+
+If your codebase doesn't support async function syntax, there's no need to enable this rule.
diff --git a/eslint/docs/rules/no-await-in-loop.md b/eslint/docs/rules/no-await-in-loop.md
new file mode 100644
index 0000000..9edf073
--- /dev/null
+++ b/eslint/docs/rules/no-await-in-loop.md
@@ -0,0 +1,75 @@
+# Disallow `await` inside of loops (no-await-in-loop)
+
+Performing an operation on each element of an iterable is a common task. However, performing an
+`await` as part of each operation is an indication that the program is not taking full advantage of
+the parallelization benefits of `async`/`await`.
+
+Usually, the code should be refactored to create all the promises at once, then get access to the
+results using `Promise.all()`. Otherwise, each successive operation will not start until the
+previous one has completed.
+
+Concretely, the following function should be refactored as shown:
+
+```js
+async function foo(things) {
+  const results = [];
+  for (const thing of things) {
+    // Bad: each loop iteration is delayed until the entire asynchronous operation completes
+    results.push(await bar(thing));
+  }
+  return baz(results);
+}
+```
+
+```js
+async function foo(things) {
+  const results = [];
+  for (const thing of things) {
+    // Good: all asynchronous operations are immediately started.
+    results.push(bar(thing));
+  }
+  // Now that all the asynchronous operations are running, here we wait until they all complete.
+  return baz(await Promise.all(results));
+}
+```
+
+## Rule Details
+
+This rule disallows the use of `await` within loop bodies.
+
+## Examples
+
+Examples of **correct** code for this rule:
+
+```js
+async function foo(things) {
+  const results = [];
+  for (const thing of things) {
+    // Good: all asynchronous operations are immediately started.
+    results.push(bar(thing));
+  }
+  // Now that all the asynchronous operations are running, here we wait until they all complete.
+  return baz(await Promise.all(results));
+}
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+async function foo(things) {
+  const results = [];
+  for (const thing of things) {
+    // Bad: each loop iteration is delayed until the entire asynchronous operation completes
+    results.push(await bar(thing));
+  }
+  return baz(results);
+}
+```
+
+## When Not To Use It
+
+In many cases the iterations of a loop are not actually independent of each-other. For example, the
+output of one iteration might be used as the input to another. Or, loops may be used to retry
+asynchronous operations that were unsuccessful. Or, loops may be used to prevent your code from sending
+an excessive amount of requests in parallel. In such cases it makes sense to use `await` within a
+loop and it is recommended to disable the rule via a standard ESLint disable comment.
diff --git a/eslint/docs/rules/no-bitwise.md b/eslint/docs/rules/no-bitwise.md
new file mode 100644
index 0000000..252f0cf
--- /dev/null
+++ b/eslint/docs/rules/no-bitwise.md
@@ -0,0 +1,86 @@
+# disallow bitwise operators (no-bitwise)
+
+The use of bitwise operators in JavaScript is very rare and often `&` or `|` is simply a mistyped `&&` or `||`, which will lead to unexpected behavior.
+
+```js
+var x = y | z;
+```
+
+## Rule Details
+
+This rule disallows bitwise operators.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-bitwise: "error"*/
+
+var x = y | z;
+
+var x = y & z;
+
+var x = y ^ z;
+
+var x = ~ z;
+
+var x = y << z;
+
+var x = y >> z;
+
+var x = y >>> z;
+
+x |= y;
+
+x &= y;
+
+x ^= y;
+
+x <<= y;
+
+x >>= y;
+
+x >>>= y;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-bitwise: "error"*/
+
+var x = y || z;
+
+var x = y && z;
+
+var x = y > z;
+
+var x = y < z;
+
+x += y;
+```
+
+## Options
+
+This rule has an object option:
+
+* `"allow"`: Allows a list of bitwise operators to be used as exceptions.
+* `"int32Hint"`: Allows the use of bitwise OR in `|0` pattern for type casting.
+
+### allow
+
+Examples of **correct** code for this rule with the `{ "allow": ["~"] }` option:
+
+```js
+/*eslint no-bitwise: ["error", { "allow": ["~"] }] */
+
+~[1,2,3].indexOf(1) === -1;
+```
+
+### int32Hint
+
+Examples of **correct** code for this rule with the `{ "int32Hint": true }` option:
+
+```js
+/*eslint no-bitwise: ["error", { "int32Hint": true }] */
+
+var b = a|0;
+```
diff --git a/eslint/docs/rules/no-buffer-constructor.md b/eslint/docs/rules/no-buffer-constructor.md
new file mode 100644
index 0000000..f287ce5
--- /dev/null
+++ b/eslint/docs/rules/no-buffer-constructor.md
@@ -0,0 +1,41 @@
+# disallow use of the Buffer() constructor (no-buffer-constructor)
+
+In Node.js, the behavior of the `Buffer` constructor is different depending on the type of its argument. Passing an argument from user input to `Buffer()` without validating its type can lead to security vulnerabilities such as remote memory disclosure and denial of service. As a result, the `Buffer` constructor has been deprecated and should not be used. Use the producer methods `Buffer.from`, `Buffer.alloc`, and `Buffer.allocUnsafe` instead.
+
+## Rule Details
+
+This rule disallows calling and constructing the `Buffer()` constructor.
+
+Examples of **incorrect** code for this rule:
+
+```js
+new Buffer(5);
+new Buffer([1, 2, 3]);
+
+Buffer(5);
+Buffer([1, 2, 3]);
+
+new Buffer(res.body.amount);
+new Buffer(res.body.values);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+Buffer.alloc(5);
+Buffer.allocUnsafe(5);
+Buffer.from([1, 2, 3]);
+
+Buffer.alloc(res.body.amount);
+Buffer.from(res.body.values);
+```
+
+## When Not To Use It
+
+If you don't use Node.js, or you still need to support versions of Node.js that lack methods like `Buffer.from`, then you should not enable this rule.
+
+## Further Reading
+
+* [Buffer API documentation](https://nodejs.org/api/buffer.html)
+* [Let's fix Node.js Buffer API](https://github.com/ChALkeR/notes/blob/master/Lets-fix-Buffer-API.md)
+* [Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
diff --git a/eslint/docs/rules/no-caller.md b/eslint/docs/rules/no-caller.md
new file mode 100644
index 0000000..f5688df
--- /dev/null
+++ b/eslint/docs/rules/no-caller.md
@@ -0,0 +1,49 @@
+# Disallow Use of caller/callee (no-caller)
+
+The use of `arguments.caller` and `arguments.callee` make several code optimizations impossible. They have been deprecated in future versions of JavaScript and their use is forbidden in ECMAScript 5 while in strict mode.
+
+```js
+function foo() {
+    var callee = arguments.callee;
+}
+```
+
+## Rule Details
+
+This rule is aimed at discouraging the use of deprecated and sub-optimal code by disallowing the use of `arguments.caller` and `arguments.callee`. As such, it will warn when `arguments.caller` and `arguments.callee` are used.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-caller: "error"*/
+
+function foo(n) {
+    if (n <= 0) {
+        return;
+    }
+
+    arguments.callee(n - 1);
+}
+
+[1,2,3,4,5].map(function(n) {
+    return !(n > 1) ? 1 : arguments.callee(n - 1) * n;
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-caller: "error"*/
+
+function foo(n) {
+    if (n <= 0) {
+        return;
+    }
+
+    foo(n - 1);
+}
+
+[1,2,3,4,5].map(function factorial(n) {
+    return !(n > 1) ? 1 : factorial(n - 1) * n;
+});
+```
diff --git a/eslint/docs/rules/no-case-declarations.md b/eslint/docs/rules/no-case-declarations.md
new file mode 100644
index 0000000..3652c74
--- /dev/null
+++ b/eslint/docs/rules/no-case-declarations.md
@@ -0,0 +1,75 @@
+# Disallow lexical declarations in case/default clauses (no-case-declarations)
+
+This rule disallows lexical declarations (`let`, `const`, `function` and `class`)
+in `case`/`default` clauses. The reason is that the lexical declaration is visible
+in the entire switch block but it only gets initialized when it is assigned, which
+will only happen if the case where it is defined is reached.
+
+To ensure that the lexical declaration only applies to the current case clause
+wrap your clauses in blocks.
+
+## Rule Details
+
+This rule aims to prevent access to uninitialized lexical bindings as well as accessing hoisted functions across case clauses.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-case-declarations: "error"*/
+/*eslint-env es6*/
+
+switch (foo) {
+    case 1:
+        let x = 1;
+        break;
+    case 2:
+        const y = 2;
+        break;
+    case 3:
+        function f() {}
+        break;
+    default:
+        class C {}
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-case-declarations: "error"*/
+/*eslint-env es6*/
+
+// Declarations outside switch-statements are valid
+const a = 0;
+
+switch (foo) {
+    // The following case clauses are wrapped into blocks using brackets
+    case 1: {
+        let x = 1;
+        break;
+    }
+    case 2: {
+        const y = 2;
+        break;
+    }
+    case 3: {
+        function f() {}
+        break;
+    }
+    case 4:
+        // Declarations using var without brackets are valid due to function-scope hoisting
+        var z = 4;
+        break;
+    default: {
+        class C {}
+    }
+}
+```
+
+## When Not To Use It
+
+If you depend on fall through behavior and want access to bindings introduced in the case block.
+
+## Related Rules
+
+* [no-fallthrough](no-fallthrough.md)
diff --git a/eslint/docs/rules/no-catch-shadow.md b/eslint/docs/rules/no-catch-shadow.md
new file mode 100644
index 0000000..cd57ac8
--- /dev/null
+++ b/eslint/docs/rules/no-catch-shadow.md
@@ -0,0 +1,73 @@
+# Disallow Shadowing of Variables Inside of catch (no-catch-shadow)
+
+This rule was **deprecated** in ESLint v5.1.0.
+
+In IE 8 and earlier, the catch clause parameter can overwrite the value of a variable in the outer scope, if that variable has the same name as the catch clause parameter.
+
+```js
+var err = "x";
+
+try {
+    throw "problem";
+} catch (err) {
+
+}
+
+console.log(err)    // err is 'problem', not 'x'
+```
+
+## Rule Details
+
+This rule is aimed at preventing unexpected behavior in your program that may arise from a bug in IE 8 and earlier, in which the catch clause parameter can leak into outer scopes. This rule will warn whenever it encounters a catch clause parameter that has the same name as a variable in an outer scope.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-catch-shadow: "error"*/
+
+var err = "x";
+
+try {
+    throw "problem";
+} catch (err) {
+
+}
+
+function err() {
+    // ...
+};
+
+try {
+    throw "problem";
+} catch (err) {
+
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-catch-shadow: "error"*/
+
+var err = "x";
+
+try {
+    throw "problem";
+} catch (e) {
+
+}
+
+function err() {
+    // ...
+};
+
+try {
+    throw "problem";
+} catch (e) {
+
+}
+```
+
+## When Not To Use It
+
+If you do not need to support IE 8 and earlier, you should turn this rule off.
diff --git a/eslint/docs/rules/no-class-assign.md b/eslint/docs/rules/no-class-assign.md
new file mode 100644
index 0000000..62c8a71
--- /dev/null
+++ b/eslint/docs/rules/no-class-assign.md
@@ -0,0 +1,93 @@
+# Disallow modifying variables of class declarations (no-class-assign)
+
+`ClassDeclaration` creates a variable, and we can modify the variable.
+
+```js
+/*eslint-env es6*/
+
+class A { }
+A = 0;
+```
+
+But the modification is a mistake in most cases.
+
+## Rule Details
+
+This rule is aimed to flag modifying variables of class declarations.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+class A { }
+A = 0;
+```
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+A = 0;
+class A { }
+```
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+class A {
+    b() {
+        A = 0;
+    }
+}
+```
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+let A = class A {
+    b() {
+        A = 0;
+        // `let A` is shadowed by the class name.
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+let A = class A { }
+A = 0; // A is a variable.
+```
+
+```js
+/*eslint no-class-assign: "error"*/
+/*eslint-env es6*/
+
+let A = class {
+    b() {
+        A = 0; // A is a variable.
+    }
+}
+```
+
+```js
+/*eslint no-class-assign: 2*/
+/*eslint-env es6*/
+
+class A {
+    b(A) {
+        A = 0; // A is a parameter.
+    }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about modifying variables of class declarations, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-comma-dangle.md b/eslint/docs/rules/no-comma-dangle.md
new file mode 100644
index 0000000..d8396ba
--- /dev/null
+++ b/eslint/docs/rules/no-comma-dangle.md
@@ -0,0 +1,52 @@
+# no-comma-dangle: disallow trailing commas in object and array literals
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [comma-dangle](comma-dangle.md) rule.
+
+Trailing commas in object literals are valid according to the ECMAScript 5 (and ECMAScript 3!) spec, however IE8 (when not in IE8 document mode) and below will throw an error when it encounters trailing commas in JavaScript.
+
+```js
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+```
+
+## Rule Details
+
+This rule is aimed at detecting trailing commas in object literals. As such, it will warn whenever it encounters a trailing comma in an object literal.
+
+Examples of **incorrect** code for this rule:
+
+```js
+var foo = {
+    bar: "baz",
+    qux: "quux",
+};
+
+var arr = [1,2,];
+
+foo({
+  bar: "baz",
+  qux: "quux",
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+var foo = {
+    bar: "baz",
+    qux: "quux"
+};
+
+var arr = [1,2];
+
+foo({
+  bar: "baz",
+  qux: "quux"
+});
+```
+
+## When Not To Use It
+
+If your code will not be run in IE8 or below (a Node.js application, for example) and you'd prefer to allow trailing commas, turn this rule off.
diff --git a/eslint/docs/rules/no-compare-neg-zero.md b/eslint/docs/rules/no-compare-neg-zero.md
new file mode 100644
index 0000000..e9de786
--- /dev/null
+++ b/eslint/docs/rules/no-compare-neg-zero.md
@@ -0,0 +1,35 @@
+# disallow comparing against -0 (no-compare-neg-zero)
+
+## Rule Details
+
+The rule should warn against code that tries to compare against -0, since that will not work as intended. That is, code like x === -0 will pass for both +0 and -0. The author probably intended Object.is(x, -0).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint no-compare-neg-zero: "error" */
+
+if (x === -0) {
+    // doSomething()...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint no-compare-neg-zero: "error" */
+
+if (x === 0) {
+    // doSomething()...
+}
+```
+
+```js
+/* eslint no-compare-neg-zero: "error" */
+
+if (Object.is(x, -0)) {
+    // doSomething()...
+}
+```
+
+
diff --git a/eslint/docs/rules/no-cond-assign.md b/eslint/docs/rules/no-cond-assign.md
new file mode 100644
index 0000000..f1738fa
--- /dev/null
+++ b/eslint/docs/rules/no-cond-assign.md
@@ -0,0 +1,127 @@
+# disallow assignment operators in conditional statements (no-cond-assign)
+
+In conditional statements, it is very easy to mistype a comparison operator (such as `==`) as an assignment operator (such as `=`). For example:
+
+```js
+// Check the user's job title
+if (user.jobTitle = "manager") {
+    // user.jobTitle is now incorrect
+}
+```
+
+There are valid reasons to use assignment operators in conditional statements. However, it can be difficult to tell whether a specific assignment was intentional.
+
+## Rule Details
+
+This rule disallows ambiguous assignment operators in test conditions of `if`, `for`, `while`, and `do...while` statements.
+
+## Options
+
+This rule has a string option:
+
+* `"except-parens"` (default) allows assignments in test conditions *only if* they are enclosed in parentheses (for example, to allow reassigning a variable in the test of a `while` or `do...while` loop)
+* `"always"` disallows all assignments in test conditions
+
+### except-parens
+
+Examples of **incorrect** code for this rule with the default `"except-parens"` option:
+
+```js
+/*eslint no-cond-assign: "error"*/
+
+// Unintentional assignment
+var x;
+if (x = 0) {
+    var b = 1;
+}
+
+// Practical example that is similar to an error
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while (someNode = someNode.parentNode);
+}
+```
+
+Examples of **correct** code for this rule with the default `"except-parens"` option:
+
+```js
+/*eslint no-cond-assign: "error"*/
+
+// Assignment replaced by comparison
+var x;
+if (x === 0) {
+    var b = 1;
+}
+
+// Practical example that wraps the assignment in parentheses
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while ((someNode = someNode.parentNode));
+}
+
+// Practical example that wraps the assignment and tests for 'null'
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while ((someNode = someNode.parentNode) !== null);
+}
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint no-cond-assign: ["error", "always"]*/
+
+// Unintentional assignment
+var x;
+if (x = 0) {
+    var b = 1;
+}
+
+// Practical example that is similar to an error
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while (someNode = someNode.parentNode);
+}
+
+// Practical example that wraps the assignment in parentheses
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while ((someNode = someNode.parentNode));
+}
+
+// Practical example that wraps the assignment and tests for 'null'
+function setHeight(someNode) {
+    "use strict";
+    do {
+        someNode.height = "100px";
+    } while ((someNode = someNode.parentNode) !== null);
+}
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint no-cond-assign: ["error", "always"]*/
+
+// Assignment replaced by comparison
+var x;
+if (x === 0) {
+    var b = 1;
+}
+```
+
+## Related Rules
+
+* [no-extra-parens](no-extra-parens.md)
diff --git a/eslint/docs/rules/no-confusing-arrow.md b/eslint/docs/rules/no-confusing-arrow.md
new file mode 100644
index 0000000..dccf11e
--- /dev/null
+++ b/eslint/docs/rules/no-confusing-arrow.md
@@ -0,0 +1,69 @@
+# Disallow arrow functions where they could be confused with comparisons (no-confusing-arrow)
+
+Arrow functions (`=>`) are similar in syntax to some comparison operators (`>`, `<`, `<=`, and `>=`). This rule warns against using the arrow function syntax in places where it could be confused with a comparison operator.
+
+Here's an example where the usage of `=>` could be confusing:
+
+```js
+// The intent is not clear
+var x = a => 1 ? 2 : 3;
+// Did the author mean this
+var x = function (a) { return 1 ? 2 : 3 };
+// Or this
+var x = a <= 1 ? 2 : 3;
+```
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-confusing-arrow: "error"*/
+/*eslint-env es6*/
+
+var x = a => 1 ? 2 : 3;
+var x = (a) => 1 ? 2 : 3;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-confusing-arrow: "error"*/
+/*eslint-env es6*/
+
+var x = a => (1 ? 2 : 3);
+var x = (a) => (1 ? 2 : 3);
+var x = a => { return 1 ? 2 : 3; };
+var x = (a) => { return 1 ? 2 : 3; };
+```
+
+## Options
+
+This rule accepts a single options argument with the following defaults:
+
+```json
+{
+    "rules": {
+        "no-confusing-arrow": ["error", {"allowParens": true}]
+    }
+}
+```
+
+`allowParens` is a boolean setting that can be `true`(default) or `false`:
+
+1. `true` relaxes the rule and accepts parenthesis as a valid "confusion-preventing" syntax.
+2. `false` warns even if the expression is wrapped in parenthesis
+
+Examples of **incorrect** code for this rule with the `{"allowParens": false}` option:
+
+```js
+/*eslint no-confusing-arrow: ["error", {"allowParens": false}]*/
+/*eslint-env es6*/
+var x = a => (1 ? 2 : 3);
+var x = (a) => (1 ? 2 : 3);
+```
+
+## Related Rules
+
+* [no-constant-condition](no-constant-condition.md)
+* [arrow-parens](arrow-parens.md)
diff --git a/eslint/docs/rules/no-console.md b/eslint/docs/rules/no-console.md
new file mode 100644
index 0000000..f2fb79e
--- /dev/null
+++ b/eslint/docs/rules/no-console.md
@@ -0,0 +1,96 @@
+# disallow the use of `console` (no-console)
+
+In JavaScript that is designed to be executed in the browser, it's considered a best practice to avoid using methods on `console`. Such messages are considered to be for debugging purposes and therefore not suitable to ship to the client. In general, calls using `console` should be stripped before being pushed to production.
+
+```js
+console.log("Made it here.");
+console.error("That shouldn't have happened.");
+```
+
+## Rule Details
+
+This rule disallows calls to methods of the `console` object.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint no-console: "error" */
+
+console.log("Log a debug level message.");
+console.warn("Log a warn level message.");
+console.error("Log an error level message.");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint no-console: "error" */
+
+// custom console
+Console.log("Hello world!");
+```
+
+## Options
+
+This rule has an object option for exceptions:
+
+* `"allow"` has an array of strings which are allowed methods of the `console` object
+
+Examples of additional **correct** code for this rule with a sample `{ "allow": ["warn", "error"] }` option:
+
+```js
+/* eslint no-console: ["error", { allow: ["warn", "error"] }] */
+
+console.warn("Log a warn level message.");
+console.error("Log an error level message.");
+```
+
+## When Not To Use It
+
+If you're using Node.js, however, `console` is used to output information to the user and so is not strictly used for debugging purposes. If you are developing for Node.js then you most likely do not want this rule enabled.
+
+Another case where you might not use this rule is if you want to enforce console calls and not console overwrites. For example:
+
+```js
+/* eslint no-console: ["error", { allow: ["warn"] }] */
+console.error = function (message) {
+  throw new Error(message);
+};
+```
+
+With the `no-console` rule in the above example, ESLint will report an error. For the above example, you can disable the rule:
+
+```js
+// eslint-disable-next-line no-console
+console.error = function (message) {
+  throw new Error(message);
+};
+
+// or
+
+console.error = function (message) {  // eslint-disable-line no-console
+  throw new Error(message);
+};
+```
+
+However, you might not want to manually add `eslint-disable-next-line` or `eslint-disable-line`. You can achieve the effect of only receiving errors for console calls with the `no-restricted-syntax` rule:
+
+```json
+{
+    "rules": {
+        "no-console": "off",
+        "no-restricted-syntax": [
+            "error",
+            {
+                "selector": "CallExpression[callee.object.name='console'][callee.property.name!=/^(log|warn|error|info|trace)$/]",
+                "message": "Unexpected property on console object was called"
+            }
+        ]
+    }
+}
+```
+
+## Related Rules
+
+* [no-alert](no-alert.md)
+* [no-debugger](no-debugger.md)
diff --git a/eslint/docs/rules/no-const-assign.md b/eslint/docs/rules/no-const-assign.md
new file mode 100644
index 0000000..3969767
--- /dev/null
+++ b/eslint/docs/rules/no-const-assign.md
@@ -0,0 +1,68 @@
+# Disallow modifying variables that are declared using `const` (no-const-assign)
+
+We cannot modify variables that are declared using `const` keyword.
+It will raise a runtime error.
+
+Under non ES2015 environment, it might be ignored merely.
+
+## Rule Details
+
+This rule is aimed to flag modifying variables that are declared using `const` keyword.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+const a = 0;
+a = 1;
+```
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+const a = 0;
+a += 1;
+```
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+const a = 0;
+++a;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+const a = 0;
+console.log(a);
+```
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+for (const a in [1, 2, 3]) { // `a` is re-defined (not modified) on each loop step.
+    console.log(a);
+}
+```
+
+```js
+/*eslint no-const-assign: "error"*/
+/*eslint-env es6*/
+
+for (const a of [1, 2, 3]) { // `a` is re-defined (not modified) on each loop step.
+    console.log(a);
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about modifying variables that are declared using `const` keyword, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-constant-condition.md b/eslint/docs/rules/no-constant-condition.md
new file mode 100644
index 0000000..8566d8c
--- /dev/null
+++ b/eslint/docs/rules/no-constant-condition.md
@@ -0,0 +1,101 @@
+# disallow constant expressions in conditions (no-constant-condition)
+
+A constant expression (for example, a literal) as a test condition might be a typo or development trigger for a specific behavior. For example, the following code looks as if it is not ready for production.
+
+```js
+if (false) {
+    doSomethingUnfinished();
+}
+```
+
+## Rule Details
+
+This rule disallows constant expressions in the test condition of:
+
+* `if`, `for`, `while`, or `do...while` statement
+* `?:` ternary expression
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-constant-condition: "error"*/
+
+if (false) {
+    doSomethingUnfinished();
+}
+
+if (void x) {
+    doSomethingUnfinished();
+}
+
+for (;-2;) {
+    doSomethingForever();
+}
+
+while (typeof x) {
+    doSomethingForever();
+}
+
+do {
+    doSomethingForever();
+} while (x = -1);
+
+var result = 0 ? a : b;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-constant-condition: "error"*/
+
+if (x === 0) {
+    doSomething();
+}
+
+for (;;) {
+    doSomethingForever();
+}
+
+while (typeof x === "undefined") {
+    doSomething();
+}
+
+do {
+    doSomething();
+} while (x);
+
+var result = x !== 0 ? a : b;
+```
+
+## Options
+
+### checkLoops
+
+Set to `true` by default. Setting this option to `false` allows constant expressions in loops.
+
+Examples of **correct** code for when `checkLoops` is `false`:
+
+```js
+/*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
+
+while (true) {
+    doSomething();
+    if (condition()) {
+        break;
+    }
+};
+
+for (;true;) {
+    doSomething();
+    if (condition()) {
+        break;
+    }
+};
+
+do {
+    doSomething();
+    if (condition()) {
+        break;
+    }
+} while (true)
+```
diff --git a/eslint/docs/rules/no-constructor-return.md b/eslint/docs/rules/no-constructor-return.md
new file mode 100644
index 0000000..284b757
--- /dev/null
+++ b/eslint/docs/rules/no-constructor-return.md
@@ -0,0 +1,50 @@
+# Disallow returning value in constructor (no-constructor-return)
+
+In JavaScript, returning a value in the constructor of a class may be a mistake. Forbidding this pattern prevents mistakes resulting from unfamiliarity with the language or a copy-paste error.
+
+## Rule Details
+
+This rule disallows return statements in the constructor of a class. Note that returning nothing with flow control is allowed.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-constructor-return: "error"*/
+
+class A {
+    constructor(a) {
+        this.a = a;
+        return a;
+    }
+}
+
+class B {
+    constructor(f) {
+        if (!f) {
+            return 'falsy';
+        }
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-constructor-return: "error"*/
+
+class C {
+    constructor(c) {
+        this.c = c;
+    }
+}
+
+class D {
+    constructor(f) {
+        if (!f) {
+            return;  // Flow control.
+        }
+
+        f();
+    }
+}
+```
diff --git a/eslint/docs/rules/no-continue.md b/eslint/docs/rules/no-continue.md
new file mode 100644
index 0000000..37c1188
--- /dev/null
+++ b/eslint/docs/rules/no-continue.md
@@ -0,0 +1,71 @@
+# disallow `continue` statements (no-continue)
+
+The `continue` statement terminates execution of the statements in the current iteration of the current or labeled loop, and continues execution of the loop with the next iteration. When used incorrectly it makes code less testable, less readable and less maintainable. Structured control flow statements such as `if` should be used instead.
+
+```js
+var sum = 0,
+    i;
+
+for(i = 0; i < 10; i++) {
+    if(i >= 5) {
+        continue;
+    }
+
+    a += i;
+}
+```
+
+## Rule Details
+
+This rule disallows `continue` statements.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-continue: "error"*/
+
+var sum = 0,
+    i;
+
+for(i = 0; i < 10; i++) {
+    if(i >= 5) {
+        continue;
+    }
+
+    a += i;
+}
+```
+
+```js
+/*eslint no-continue: "error"*/
+
+var sum = 0,
+    i;
+
+labeledLoop: for(i = 0; i < 10; i++) {
+    if(i >= 5) {
+        continue labeledLoop;
+    }
+
+    a += i;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-continue: "error"*/
+
+var sum = 0,
+    i;
+
+for(i = 0; i < 10; i++) {
+    if(i < 5) {
+       a += i;
+    }
+}
+```
+
+## Compatibility
+
+* **JSLint**: `continue`
diff --git a/eslint/docs/rules/no-control-regex.md b/eslint/docs/rules/no-control-regex.md
new file mode 100644
index 0000000..01a55fb
--- /dev/null
+++ b/eslint/docs/rules/no-control-regex.md
@@ -0,0 +1,34 @@
+# disallow control characters in regular expressions (no-control-regex)
+
+Control characters are special, invisible characters in the ASCII range 0-31. These characters are rarely used in JavaScript strings so a regular expression containing these characters is most likely a mistake.
+
+## Rule Details
+
+This rule disallows control characters in regular expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-control-regex: "error"*/
+
+var pattern1 = /\x1f/;
+var pattern2 = new RegExp("\x1f");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-control-regex: "error"*/
+
+var pattern1 = /\x20/;
+var pattern2 = new RegExp("\x20");
+```
+
+## When Not To Use It
+
+If you need to use control character pattern matching, then you should turn this rule off.
+
+## Related Rules
+
+* [no-div-regex](no-div-regex.md)
+* [no-regex-spaces](no-regex-spaces.md)
diff --git a/eslint/docs/rules/no-debugger.md b/eslint/docs/rules/no-debugger.md
new file mode 100644
index 0000000..f8220bd
--- /dev/null
+++ b/eslint/docs/rules/no-debugger.md
@@ -0,0 +1,41 @@
+# disallow the use of `debugger` (no-debugger)
+
+The `debugger` statement is used to tell the executing JavaScript environment to stop execution and start up a debugger at the current point in the code. This has fallen out of favor as a good practice with the advent of modern debugging and development tools. Production code should definitely not contain `debugger`, as it will cause the browser to stop executing code and open an appropriate debugger.
+
+## Rule Details
+
+This rule disallows `debugger` statements.
+
+Example of **incorrect** code for this rule:
+
+```js
+/*eslint no-debugger: "error"*/
+
+function isTruthy(x) {
+    debugger;
+    return Boolean(x);
+}
+```
+
+Example of **correct** code for this rule:
+
+```js
+/*eslint no-debugger: "error"*/
+
+function isTruthy(x) {
+    return Boolean(x); // set a breakpoint at this line
+}
+```
+
+## When Not To Use It
+
+If your code is still very much in development and don't want to worry about stripping `debugger` statements, then turn this rule off. You'll generally want to turn it back on when testing code prior to deployment.
+
+## Further Reading
+
+* [Debugger](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/debugger)
+
+## Related Rules
+
+* [no-alert](no-alert.md)
+* [no-console](no-console.md)
diff --git a/eslint/docs/rules/no-delete-var.md b/eslint/docs/rules/no-delete-var.md
new file mode 100644
index 0000000..ab90d11
--- /dev/null
+++ b/eslint/docs/rules/no-delete-var.md
@@ -0,0 +1,18 @@
+# disallow deleting variables (no-delete-var)
+
+The purpose of the `delete` operator is to remove a property from an object. Using the `delete` operator on a variable might lead to unexpected behavior.
+
+## Rule Details
+
+This rule disallows the use of the `delete` operator on variables.
+
+If ESLint parses code in strict mode, the parser (instead of this rule) reports the error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-delete-var: "error"*/
+
+var x;
+delete x;
+```
diff --git a/eslint/docs/rules/no-div-regex.md b/eslint/docs/rules/no-div-regex.md
new file mode 100644
index 0000000..211525b
--- /dev/null
+++ b/eslint/docs/rules/no-div-regex.md
@@ -0,0 +1,32 @@
+# Disallow Regular Expressions That Look Like Division (no-div-regex)
+
+Require regex literals to escape division operators.
+
+```js
+function bar() { return /=foo/; }
+```
+
+## Rule Details
+
+This is used to disambiguate the division operator to not confuse users.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-div-regex: "error"*/
+
+function bar() { return /=foo/; }
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-div-regex: "error"*/
+
+function bar() { return /[=]foo/; }
+```
+
+## Related Rules
+
+* [no-control-regex](no-control-regex.md)
+* [no-regex-spaces](no-regex-spaces.md)
diff --git a/eslint/docs/rules/no-dupe-args.md b/eslint/docs/rules/no-dupe-args.md
new file mode 100644
index 0000000..80a3d85
--- /dev/null
+++ b/eslint/docs/rules/no-dupe-args.md
@@ -0,0 +1,37 @@
+# disallow duplicate arguments in `function` definitions (no-dupe-args)
+
+If more than one parameter has the same name in a function definition, the last occurrence "shadows" the preceding occurrences. A duplicated name might be a typing error.
+
+## Rule Details
+
+This rule disallows duplicate parameter names in function declarations or expressions. It does not apply to arrow functions or class methods, because the parser reports the error.
+
+If ESLint parses code in strict mode, the parser (instead of this rule) reports the error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-dupe-args: "error"*/
+
+function foo(a, b, a) {
+    console.log("value of the second a:", a);
+}
+
+var bar = function (a, b, a) {
+    console.log("value of the second a:", a);
+};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-dupe-args: "error"*/
+
+function foo(a, b, c) {
+    console.log(a, b, c);
+}
+
+var bar = function (a, b, c) {
+    console.log(a, b, c);
+};
+```
diff --git a/eslint/docs/rules/no-dupe-class-members.md b/eslint/docs/rules/no-dupe-class-members.md
new file mode 100644
index 0000000..9c1cc4f
--- /dev/null
+++ b/eslint/docs/rules/no-dupe-class-members.md
@@ -0,0 +1,74 @@
+# Disallow duplicate name in class members (no-dupe-class-members)
+
+If there are declarations of the same name in class members, the last declaration overwrites other declarations silently.
+It can cause unexpected behaviors.
+
+```js
+/*eslint-env es6*/
+
+class Foo {
+  bar() { console.log("hello"); }
+  bar() { console.log("goodbye"); }
+}
+
+var foo = new Foo();
+foo.bar(); // goodbye
+```
+
+## Rule Details
+
+This rule is aimed to flag the use of duplicate names in class members.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-dupe-class-members: "error"*/
+/*eslint-env es6*/
+
+class Foo {
+  bar() { }
+  bar() { }
+}
+
+class Foo {
+  bar() { }
+  get bar() { }
+}
+
+class Foo {
+  static bar() { }
+  static bar() { }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-dupe-class-members: "error"*/
+/*eslint-env es6*/
+
+class Foo {
+  bar() { }
+  qux() { }
+}
+
+class Foo {
+  get bar() { }
+  set bar(value) { }
+}
+
+class Foo {
+  static bar() { }
+  bar() { }
+}
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+In ES2015 (ES6) or later, if you don't want to be notified about duplicate names in class members, you can safely disable this rule.
+
+It's also safe to disable this rule when using TypeScript because TypeScript's compiler already checks for duplicate function implementations.
diff --git a/eslint/docs/rules/no-dupe-else-if.md b/eslint/docs/rules/no-dupe-else-if.md
new file mode 100644
index 0000000..8b91c83
--- /dev/null
+++ b/eslint/docs/rules/no-dupe-else-if.md
@@ -0,0 +1,178 @@
+# Disallow duplicate conditions in `if-else-if` chains (no-dupe-else-if)
+
+`if-else-if` chains are commonly used when there is a need to execute only one branch (or at most one branch) out of several possible branches, based on certain conditions.
+
+```js
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (c) {
+    baz();
+}
+```
+
+Two identical test conditions in the same chain are almost always a mistake in the code. Unless there are side effects in the expressions, a duplicate will evaluate to the same `true` or `false` value as the identical expression earlier in the chain, meaning that its branch can never execute.
+
+```js
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (b) {
+    baz();
+}
+```
+
+In the above example, `baz()` can never execute. Obviously, `baz()` could be executed only when `b` evaluates to `true`, but in that case `bar()` would be executed instead, since it's earlier in the chain.
+
+## Rule Details
+
+This rule disallows duplicate conditions in the same `if-else-if` chain.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-dupe-else-if: "error"*/
+
+if (isSomething(x)) {
+    foo();
+} else if (isSomething(x)) {
+    bar();
+}
+
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (c && d) {
+    baz();
+} else if (c && d) {
+    quux();
+} else {
+    quuux();
+}
+
+if (n === 1) {
+    foo();
+} else if (n === 2) {
+    bar();
+} else if (n === 3) {
+    baz();
+} else if (n === 2) {
+    quux();
+} else if (n === 5) {
+    quuux();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-dupe-else-if: "error"*/
+
+if (isSomething(x)) {
+    foo();
+} else if (isSomethingElse(x)) {
+    bar();
+}
+
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (c && d) {
+    baz();
+} else if (c && e) {
+    quux();
+} else {
+    quuux();
+}
+
+if (n === 1) {
+    foo();
+} else if (n === 2) {
+    bar();
+} else if (n === 3) {
+    baz();
+} else if (n === 4) {
+    quux();
+} else if (n === 5) {
+    quuux();
+}
+```
+
+This rule can also detect some cases where the conditions are not identical, but the branch can never execute due to the logic of `||` and `&&` operators.
+
+Examples of additional **incorrect** code for this rule:
+
+```js
+/*eslint no-dupe-else-if: "error"*/
+
+if (a || b) {
+    foo();
+} else if (a) {
+    bar();
+}
+
+if (a) {
+    foo();
+} else if (b) {
+    bar();
+} else if (a || b) {
+    baz();
+}
+
+if (a) {
+    foo();
+} else if (a && b) {
+    bar();
+}
+
+if (a && b) {
+    foo();
+} else if (a && b && c) {
+    bar();
+}
+
+if (a || b) {
+    foo();
+} else if (b && c) {
+    bar();
+}
+
+if (a) {
+    foo();
+} else if (b && c) {
+    bar();
+} else if (d && (c && e && b || a)) {
+    baz();
+}
+```
+
+Please note that this rule does not compare conditions from the chain with conditions inside statements, and will not warn in the cases such as follows:
+
+```js
+if (a) {
+    if (a) {
+        foo();
+    }
+}
+
+if (a) {
+    foo();
+} else {
+    if (a) {
+        bar();
+    }
+}
+```
+
+## When Not To Use It
+
+In rare cases where you really need identical test conditions in the same chain, which necessarily means that the expressions in the chain are causing and relying on side effects, you will have to turn this rule off.
+
+## Related Rules
+
+* [no-duplicate-case](no-duplicate-case.md)
+* [no-lonely-if](no-lonely-if.md)
diff --git a/eslint/docs/rules/no-dupe-keys.md b/eslint/docs/rules/no-dupe-keys.md
new file mode 100644
index 0000000..0d892ef
--- /dev/null
+++ b/eslint/docs/rules/no-dupe-keys.md
@@ -0,0 +1,46 @@
+# disallow duplicate keys in object literals (no-dupe-keys)
+
+Multiple properties with the same key in object literals can cause unexpected behavior in your application.
+
+```js
+var foo = {
+    bar: "baz",
+    bar: "qux"
+};
+```
+
+## Rule Details
+
+This rule disallows duplicate keys in object literals.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-dupe-keys: "error"*/
+
+var foo = {
+    bar: "baz",
+    bar: "qux"
+};
+
+var foo = {
+    "bar": "baz",
+    bar: "qux"
+};
+
+var foo = {
+    0x1: "baz",
+    1: "qux"
+};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-dupe-keys: "error"*/
+
+var foo = {
+    bar: "baz",
+    quxx: "qux"
+};
+```
diff --git a/eslint/docs/rules/no-duplicate-case.md b/eslint/docs/rules/no-duplicate-case.md
new file mode 100644
index 0000000..c728bdf
--- /dev/null
+++ b/eslint/docs/rules/no-duplicate-case.md
@@ -0,0 +1,91 @@
+# Rule to disallow a duplicate case label (no-duplicate-case)
+
+If a `switch` statement has duplicate test expressions in `case` clauses, it is likely that a programmer copied a `case` clause but forgot to change the test expression.
+
+## Rule Details
+
+This rule disallows duplicate test expressions in `case` clauses of `switch` statements.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-duplicate-case: "error"*/
+
+var a = 1,
+    one = 1;
+
+switch (a) {
+    case 1:
+        break;
+    case 2:
+        break;
+    case 1:         // duplicate test expression
+        break;
+    default:
+        break;
+}
+
+switch (a) {
+    case one:
+        break;
+    case 2:
+        break;
+    case one:         // duplicate test expression
+        break;
+    default:
+        break;
+}
+
+switch (a) {
+    case "1":
+        break;
+    case "2":
+        break;
+    case "1":         // duplicate test expression
+        break;
+    default:
+        break;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-duplicate-case: "error"*/
+
+var a = 1,
+    one = 1;
+
+switch (a) {
+    case 1:
+        break;
+    case 2:
+        break;
+    case 3:
+        break;
+    default:
+        break;
+}
+
+switch (a) {
+    case one:
+        break;
+    case 2:
+        break;
+    case 3:
+        break;
+    default:
+        break;
+}
+
+switch (a) {
+    case "1":
+        break;
+    case "2":
+        break;
+    case "3":
+        break;
+    default:
+        break;
+}
+```
diff --git a/eslint/docs/rules/no-duplicate-imports.md b/eslint/docs/rules/no-duplicate-imports.md
new file mode 100644
index 0000000..683f315
--- /dev/null
+++ b/eslint/docs/rules/no-duplicate-imports.md
@@ -0,0 +1,60 @@
+# Disallow duplicate imports (no-duplicate-imports)
+
+Using a single `import` statement per module will make the code clearer because you can see everything being imported from that module on one line.
+
+In the following example the `module` import on line 1 is repeated on line 3. These can be combined to make the list of imports more succinct.
+
+```js
+import { merge } from 'module';
+import something from 'another-module';
+import { find } from 'module';
+```
+
+## Rule Details
+
+This rule requires that all imports from a single module exists in a single `import` statement.
+
+Example of **incorrect** code for this rule:
+
+```js
+/*eslint no-duplicate-imports: "error"*/
+
+import { merge } from 'module';
+import something from 'another-module';
+import { find } from 'module';
+```
+
+Example of **correct** code for this rule:
+
+```js
+/*eslint no-duplicate-imports: "error"*/
+
+import { merge, find } from 'module';
+import something from 'another-module';
+```
+
+## Options
+
+This rule takes one optional argument, an object with a single key, `includeExports` which is a `boolean`. It defaults to `false`.
+
+If re-exporting from an imported module, you should add the imports to the `import`-statement, and export that directly, not use `export ... from`.
+
+Example of **incorrect** code for this rule with the `{ "includeExports": true }` option:
+
+```js
+/*eslint no-duplicate-imports: ["error", { "includeExports": true }]*/
+
+import { merge } from 'module';
+
+export { find } from 'module';
+```
+
+Example of **correct** code for this rule with the `{ "includeExports": true }` option:
+
+```js
+/*eslint no-duplicate-imports: ["error", { "includeExports": true }]*/
+
+import { merge, find } from 'module';
+
+export { find };
+```
diff --git a/eslint/docs/rules/no-else-return.md b/eslint/docs/rules/no-else-return.md
new file mode 100644
index 0000000..2f3f83d
--- /dev/null
+++ b/eslint/docs/rules/no-else-return.md
@@ -0,0 +1,157 @@
+# Disallow return before else (no-else-return)
+
+If an `if` block contains a `return` statement, the `else` block becomes unnecessary. Its contents can be placed outside of the block.
+
+```js
+function foo() {
+    if (x) {
+        return y;
+    } else {
+        return z;
+    }
+}
+```
+
+## Rule Details
+
+This rule is aimed at highlighting an unnecessary block of code following an `if` containing a return statement. As such, it will warn when it encounters an `else` following a chain of `if`s, all of them containing a `return` statement.
+
+## Options
+
+This rule has an object option:
+
+* `allowElseIf: true` (default) allows `else if` blocks after a return
+* `allowElseIf: false` disallows `else if` blocks after a return
+
+### `allowElseIf: true`
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-else-return: "error"*/
+
+function foo() {
+    if (x) {
+        return y;
+    } else {
+        return z;
+    }
+}
+
+function foo() {
+    if (x) {
+        return y;
+    } else if (z) {
+        return w;
+    } else {
+        return t;
+    }
+}
+
+function foo() {
+    if (x) {
+        return y;
+    } else {
+        var t = "foo";
+    }
+
+    return t;
+}
+
+function foo() {
+    if (error) {
+        return 'It failed';
+    } else {
+        if (loading) {
+            return "It's still loading";
+        }
+    }
+}
+
+// Two warnings for nested occurrences
+function foo() {
+    if (x) {
+        if (y) {
+            return y;
+        } else {
+            return x;
+        }
+    } else {
+        return z;
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-else-return: "error"*/
+
+function foo() {
+    if (x) {
+        return y;
+    }
+
+    return z;
+}
+
+function foo() {
+    if (x) {
+        return y;
+    } else if (z) {
+        var t = "foo";
+    } else {
+        return w;
+    }
+}
+
+function foo() {
+    if (x) {
+        if (z) {
+            return y;
+        }
+    } else {
+        return z;
+    }
+}
+
+function foo() {
+    if (error) {
+        return 'It failed';
+    } else if (loading) {
+        return "It's still loading";
+    }
+}
+```
+
+### `allowElseIf: false`
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-else-return: ["error", {allowElseIf: false}]*/
+
+function foo() {
+    if (error) {
+        return 'It failed';
+    } else if (loading) {
+        return "It's still loading";
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-else-return: ["error", {allowElseIf: false}]*/
+
+function foo() {
+    if (error) {
+        return 'It failed';
+    }
+
+    if (loading) {
+        return "It's still loading";
+    }
+}
+```
diff --git a/eslint/docs/rules/no-empty-character-class.md b/eslint/docs/rules/no-empty-character-class.md
new file mode 100644
index 0000000..c587e9d
--- /dev/null
+++ b/eslint/docs/rules/no-empty-character-class.md
@@ -0,0 +1,44 @@
+# disallow empty character classes in regular expressions (no-empty-character-class)
+
+Because empty character classes in regular expressions do not match anything, they might be typing mistakes.
+
+```js
+var foo = /^abc[]/;
+```
+
+## Rule Details
+
+This rule disallows empty character classes in regular expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-empty-character-class: "error"*/
+
+/^abc[]/.test("abcdefg"); // false
+"abcdefg".match(/^abc[]/); // null
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-empty-character-class: "error"*/
+
+/^abc/.test("abcdefg"); // true
+"abcdefg".match(/^abc/); // ["abc"]
+
+/^abc[a-z]/.test("abcdefg"); // true
+"abcdefg".match(/^abc[a-z]/); // ["abcd"]
+```
+
+## Known Limitations
+
+This rule does not report empty character classes in the string argument of calls to the `RegExp` constructor.
+
+Example of a *false negative* when this rule reports correct code:
+
+```js
+/*eslint no-empty-character-class: "error"*/
+
+var abcNeverMatches = new RegExp("^abc[]");
+```
diff --git a/eslint/docs/rules/no-empty-class.md b/eslint/docs/rules/no-empty-class.md
new file mode 100644
index 0000000..6ed0267
--- /dev/null
+++ b/eslint/docs/rules/no-empty-class.md
@@ -0,0 +1,33 @@
+# no-empty-class: disallow empty character classes in regular expressions
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [no-empty-character-class](no-empty-character-class.md) rule.
+
+Empty character classes in regular expressions do not match anything and can result in code that may not work as intended.
+
+```js
+var foo = /^abc[]/;
+```
+
+## Rule Details
+
+This rule is aimed at highlighting possible typos and unexpected behavior in regular expressions which may arise from the use of empty character classes.
+
+Examples of **incorrect** code for this rule:
+
+```js
+var foo = /^abc[]/;
+
+/^abc[]/.test(foo);
+
+bar.match(/^abc[]/);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+var foo = /^abc/;
+
+var foo = /^abc[a-z]/;
+
+var bar = new RegExp("^abc[]");
+```
diff --git a/eslint/docs/rules/no-empty-function.md b/eslint/docs/rules/no-empty-function.md
new file mode 100644
index 0000000..0f8691c
--- /dev/null
+++ b/eslint/docs/rules/no-empty-function.md
@@ -0,0 +1,347 @@
+# Disallow empty functions (no-empty-function)
+
+Empty functions can reduce readability because readers need to guess whether it's intentional or not.
+So writing a clear comment for empty functions is a good practice.
+
+```js
+function foo() {
+    // do nothing.
+}
+```
+
+Especially, the empty block of arrow functions might be confusing developers.
+It's very similar to an empty object literal.
+
+```js
+list.map(() => {});   // This is a block, would return undefined.
+list.map(() => ({})); // This is an empty object.
+```
+
+## Rule Details
+
+This rule is aimed at eliminating empty functions.
+A function will not be considered a problem if it contains a comment.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-empty-function: "error"*/
+/*eslint-env es6*/
+
+function foo() {}
+
+var foo = function() {};
+
+var foo = () => {};
+
+function* foo() {}
+
+var foo = function*() {};
+
+var obj = {
+    foo: function() {},
+
+    foo: function*() {},
+
+    foo() {},
+
+    *foo() {},
+
+    get foo() {},
+
+    set foo(value) {}
+};
+
+class A {
+    constructor() {}
+
+    foo() {}
+
+    *foo() {}
+
+    get foo() {}
+
+    set foo(value) {}
+
+    static foo() {}
+
+    static *foo() {}
+
+    static get foo() {}
+
+    static set foo(value) {}
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-empty-function: "error"*/
+/*eslint-env es6*/
+
+function foo() {
+    // do nothing.
+}
+
+var foo = function() {
+    // any clear comments.
+};
+
+var foo = () => {
+    bar();
+};
+
+function* foo() {
+    // do nothing.
+}
+
+var foo = function*() {
+    // do nothing.
+};
+
+var obj = {
+    foo: function() {
+        // do nothing.
+    },
+
+    foo: function*() {
+        // do nothing.
+    },
+
+    foo() {
+        // do nothing.
+    },
+
+    *foo() {
+        // do nothing.
+    },
+
+    get foo() {
+        // do nothing.
+    },
+
+    set foo(value) {
+        // do nothing.
+    }
+};
+
+class A {
+    constructor() {
+        // do nothing.
+    }
+
+    foo() {
+        // do nothing.
+    }
+
+    *foo() {
+        // do nothing.
+    }
+
+    get foo() {
+        // do nothing.
+    }
+
+    set foo(value) {
+        // do nothing.
+    }
+
+    static foo() {
+        // do nothing.
+    }
+
+    static *foo() {
+        // do nothing.
+    }
+
+    static get foo() {
+        // do nothing.
+    }
+
+    static set foo(value) {
+        // do nothing.
+    }
+}
+```
+
+## Options
+
+This rule has an option to allow specific kinds of functions to be empty.
+
+* `allow` (`string[]`) - A list of kind to allow empty functions. List items are some of the following strings. An empty array (`[]`) by default.
+    * `"functions"` - Normal functions.
+    * `"arrowFunctions"` - Arrow functions.
+    * `"generatorFunctions"` - Generator functions.
+    * `"methods"` - Class methods and method shorthands of object literals.
+    * `"generatorMethods"` - Class methods and method shorthands of object literals with generator.
+    * `"getters"` - Getters.
+    * `"setters"` - Setters.
+    * `"constructors"` - Class constructors.
+    * `"asyncFunctions"` - Async functions.
+    * `"asyncMethods"` - Async class methods and method shorthands of object literals.
+
+#### allow: functions
+
+Examples of **correct** code for the `{ "allow": ["functions"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["functions"] }]*/
+
+function foo() {}
+
+var foo = function() {};
+
+var obj = {
+    foo: function() {}
+};
+```
+
+#### allow: arrowFunctions
+
+Examples of **correct** code for the `{ "allow": ["arrowFunctions"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["arrowFunctions"] }]*/
+/*eslint-env es6*/
+
+var foo = () => {};
+```
+
+#### allow: generatorFunctions
+
+Examples of **correct** code for the `{ "allow": ["generatorFunctions"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["generatorFunctions"] }]*/
+/*eslint-env es6*/
+
+function* foo() {}
+
+var foo = function*() {};
+
+var obj = {
+    foo: function*() {}
+};
+```
+
+#### allow: methods
+
+Examples of **correct** code for the `{ "allow": ["methods"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["methods"] }]*/
+/*eslint-env es6*/
+
+var obj = {
+    foo() {}
+};
+
+class A {
+    foo() {}
+    static foo() {}
+}
+```
+
+#### allow: generatorMethods
+
+Examples of **correct** code for the `{ "allow": ["generatorMethods"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["generatorMethods"] }]*/
+/*eslint-env es6*/
+
+var obj = {
+    *foo() {}
+};
+
+class A {
+    *foo() {}
+    static *foo() {}
+}
+```
+
+#### allow: getters
+
+Examples of **correct** code for the `{ "allow": ["getters"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["getters"] }]*/
+/*eslint-env es6*/
+
+var obj = {
+    get foo() {}
+};
+
+class A {
+    get foo() {}
+    static get foo() {}
+}
+```
+
+#### allow: setters
+
+Examples of **correct** code for the `{ "allow": ["setters"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["setters"] }]*/
+/*eslint-env es6*/
+
+var obj = {
+    set foo(value) {}
+};
+
+class A {
+    set foo(value) {}
+    static set foo(value) {}
+}
+```
+
+#### allow: constructors
+
+Examples of **correct** code for the `{ "allow": ["constructors"] }` option:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["constructors"] }]*/
+/*eslint-env es6*/
+
+class A {
+    constructor() {}
+}
+```
+
+#### allow: asyncFunctions
+
+Examples of **correct** code for the `{ "allow": ["asyncFunctions"] }` options:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["asyncFunctions"] }]*/
+/*eslint-env es2017*/
+
+async function a(){}
+```
+
+#### allow: asyncMethods
+
+Examples of **correct** code for the `{ "allow": ["asyncMethods"] }` options:
+
+```js
+/*eslint no-empty-function: ["error", { "allow": ["asyncMethods"] }]*/
+/*eslint-env es2017*/
+
+var obj = {
+    async foo() {}
+};
+
+class A {
+    async foo() {}
+    static async foo() {}
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about empty functions, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-empty](./no-empty.md)
diff --git a/eslint/docs/rules/no-empty-label.md b/eslint/docs/rules/no-empty-label.md
new file mode 100644
index 0000000..3f88501
--- /dev/null
+++ b/eslint/docs/rules/no-empty-label.md
@@ -0,0 +1,40 @@
+# no-empty-label: disallow labels for anything other than loops and switches
+
+(removed) This rule was **removed** in ESLint v2.0 and **replaced** by the [no-labels](no-labels.md) rule.
+
+Labeled statements are only used in conjunction with labeled break and continue statements. ECMAScript has no goto statement.
+
+
+## Rule Details
+
+This error occurs when a label is used to mark a statement that is not an iteration or switch
+
+Example of **incorrect** code for this rule:
+
+```js
+/*eslint no-empty-label: "error"*/
+
+labeled:
+var x = 10;
+```
+
+Example of **correct** code for this rule:
+
+```js
+/*eslint no-empty-label: "error"*/
+
+labeled:
+for (var i=10; i; i--) {
+    // ...
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of labels, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-labels](./no-labels.md)
+* [no-label-var](./no-label-var.md)
+* [no-unused-labels](./no-unused-labels.md)
diff --git a/eslint/docs/rules/no-empty-pattern.md b/eslint/docs/rules/no-empty-pattern.md
new file mode 100644
index 0000000..9459915
--- /dev/null
+++ b/eslint/docs/rules/no-empty-pattern.md
@@ -0,0 +1,54 @@
+# Disallow empty destructuring patterns (no-empty-pattern)
+
+When using destructuring, it's possible to create a pattern that has no effect. This happens when empty curly braces are used to the right of an embedded object destructuring pattern, such as:
+
+```js
+// doesn't create any variables
+var {a: {}} = foo;
+```
+
+In this code, no new variables are created because `a` is just a location helper while the `{}` is expected to contain the variables to create, such as:
+
+```js
+// creates variable b
+var {a: { b }} = foo;
+```
+
+In many cases, the empty object pattern is a mistake where the author intended to use a default value instead, such as:
+
+```js
+// creates variable a
+var {a = {}} = foo;
+```
+
+The difference between these two patterns is subtle, especially because the problematic empty pattern looks just like an object literal.
+
+## Rule Details
+
+This rule aims to flag any empty patterns in destructured objects and arrays, and as such, will report a problem whenever one is encountered.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-empty-pattern: "error"*/
+
+var {} = foo;
+var [] = foo;
+var {a: {}} = foo;
+var {a: []} = foo;
+function foo({}) {}
+function foo([]) {}
+function foo({a: {}}) {}
+function foo({a: []}) {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-empty-pattern: "error"*/
+
+var {a = {}} = foo;
+var {a = []} = foo;
+function foo({a = {}}) {}
+function foo({a = []}) {}
+```
diff --git a/eslint/docs/rules/no-empty.md b/eslint/docs/rules/no-empty.md
new file mode 100644
index 0000000..a088708
--- /dev/null
+++ b/eslint/docs/rules/no-empty.md
@@ -0,0 +1,89 @@
+# disallow empty block statements (no-empty)
+
+Empty block statements, while not technically errors, usually occur due to refactoring that wasn't completed. They can cause confusion when reading code.
+
+## Rule Details
+
+This rule disallows empty block statements. This rule ignores block statements which contain a comment (for example, in an empty `catch` or `finally` block of a `try` statement to indicate that execution should continue regardless of errors).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-empty: "error"*/
+
+if (foo) {
+}
+
+while (foo) {
+}
+
+switch(foo) {
+}
+
+try {
+    doSomething();
+} catch(ex) {
+
+} finally {
+
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-empty: "error"*/
+
+if (foo) {
+    // empty
+}
+
+while (foo) {
+    /* empty */
+}
+
+try {
+    doSomething();
+} catch (ex) {
+    // continue regardless of error
+}
+
+try {
+    doSomething();
+} finally {
+    /* continue regardless of error */
+}
+```
+
+## Options
+
+This rule has an object option for exceptions:
+
+* `"allowEmptyCatch": true` allows empty `catch` clauses (that is, which do not contain a comment)
+
+### allowEmptyCatch
+
+Examples of additional **correct** code for this rule with the `{ "allowEmptyCatch": true }` option:
+
+```js
+/* eslint no-empty: ["error", { "allowEmptyCatch": true }] */
+try {
+    doSomething();
+} catch (ex) {}
+
+try {
+    doSomething();
+}
+catch (ex) {}
+finally {
+    /* continue regardless of error */
+}
+```
+
+## When Not To Use It
+
+If you intentionally use empty block statements then you can disable this rule.
+
+## Related Rules
+
+* [no-empty-function](./no-empty-function.md)
diff --git a/eslint/docs/rules/no-eq-null.md b/eslint/docs/rules/no-eq-null.md
new file mode 100644
index 0000000..df8f97a
--- /dev/null
+++ b/eslint/docs/rules/no-eq-null.md
@@ -0,0 +1,41 @@
+# Disallow Null Comparisons (no-eq-null)
+
+Comparing to `null` without a type-checking operator (`==` or `!=`), can have unintended results as the comparison will evaluate to true when comparing to not just a `null`, but also an `undefined` value.
+
+```js
+if (foo == null) {
+  bar();
+}
+```
+
+## Rule Details
+
+The `no-eq-null` rule aims reduce potential bug and unwanted behavior by ensuring that comparisons to `null` only match `null`, and not also `undefined`. As such it will flag comparisons to null when using `==` and `!=`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-eq-null: "error"*/
+
+if (foo == null) {
+  bar();
+}
+
+while (qux != null) {
+  baz();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-eq-null: "error"*/
+
+if (foo === null) {
+  bar();
+}
+
+while (qux !== null) {
+  baz();
+}
+```
diff --git a/eslint/docs/rules/no-eval.md b/eslint/docs/rules/no-eval.md
new file mode 100644
index 0000000..9f7b71a
--- /dev/null
+++ b/eslint/docs/rules/no-eval.md
@@ -0,0 +1,147 @@
+# Disallow eval() (no-eval)
+
+JavaScript's `eval()` function is potentially dangerous and is often misused. Using `eval()` on untrusted code can open a program up to several different injection attacks. The use of `eval()` in most contexts can be substituted for a better, alternative approach to a problem.
+
+```js
+var obj = { x: "foo" },
+    key = "x",
+    value = eval("obj." + key);
+```
+
+## Rule Details
+
+This rule is aimed at preventing potentially dangerous, unnecessary, and slow code by disallowing the use of the `eval()` function. As such, it will warn whenever the `eval()` function is used.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-eval: "error"*/
+
+var obj = { x: "foo" },
+    key = "x",
+    value = eval("obj." + key);
+
+(0, eval)("var a = 0");
+
+var foo = eval;
+foo("var a = 0");
+
+// This `this` is the global object.
+this.eval("var a = 0");
+```
+
+Example of additional **incorrect** code for this rule when `browser` environment is set to `true`:
+
+```js
+/*eslint no-eval: "error"*/
+/*eslint-env browser*/
+
+window.eval("var a = 0");
+```
+
+Example of additional **incorrect** code for this rule when `node` environment is set to `true`:
+
+```js
+/*eslint no-eval: "error"*/
+/*eslint-env node*/
+
+global.eval("var a = 0");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-eval: "error"*/
+/*eslint-env es6*/
+
+var obj = { x: "foo" },
+    key = "x",
+    value = obj[key];
+
+class A {
+    foo() {
+        // This is a user-defined method.
+        this.eval("var a = 0");
+    }
+
+    eval() {
+    }
+}
+```
+
+## Options
+
+This rule has an option to allow indirect calls to `eval`.
+Indirect calls to `eval` are less dangerous than direct calls to `eval` because they cannot dynamically change the scope. Because of this, they also will not negatively impact performance to the degree of direct `eval`.
+
+```js
+{
+    "no-eval": ["error", {"allowIndirect": true}] // default is false
+}
+```
+
+Example of **incorrect** code for this rule with the `{"allowIndirect": true}` option:
+
+```js
+/*eslint no-eval: "error"*/
+
+var obj = { x: "foo" },
+    key = "x",
+    value = eval("obj." + key);
+```
+
+Examples of **correct** code for this rule with the `{"allowIndirect": true}` option:
+
+```js
+/*eslint no-eval: "error"*/
+
+(0, eval)("var a = 0");
+
+var foo = eval;
+foo("var a = 0");
+
+this.eval("var a = 0");
+```
+
+```js
+/*eslint no-eval: "error"*/
+/*eslint-env browser*/
+
+window.eval("var a = 0");
+```
+
+```js
+/*eslint no-eval: "error"*/
+/*eslint-env node*/
+
+global.eval("var a = 0");
+```
+
+## Known Limitations
+
+* This rule is warning every `eval()` even if the `eval` is not global's.
+  This behavior is in order to detect calls of direct `eval`. Such as:
+
+  ```js
+  module.exports = function(eval) {
+      // If the value of this `eval` is built-in `eval` function, this is a
+      // call of direct `eval`.
+      eval("var a = 0");
+  };
+  ```
+
+* This rule cannot catch renaming the global object. Such as:
+
+  ```js
+  var foo = window;
+  foo.eval("var a = 0");
+  ```
+
+## Further Reading
+
+* [Eval is Evil, Part One](https://blogs.msdn.com/b/ericlippert/archive/2003/11/01/53329.aspx)
+* [How evil is eval](https://javascriptweblog.wordpress.com/2010/04/19/how-evil-is-eval/)
+
+## Related Rules
+
+* [no-implied-eval](no-implied-eval.md)
diff --git a/eslint/docs/rules/no-ex-assign.md b/eslint/docs/rules/no-ex-assign.md
new file mode 100644
index 0000000..11745da
--- /dev/null
+++ b/eslint/docs/rules/no-ex-assign.md
@@ -0,0 +1,36 @@
+# disallow reassigning exceptions in `catch` clauses (no-ex-assign)
+
+If a `catch` clause in a `try` statement accidentally (or purposely) assigns another value to the exception parameter, it impossible to refer to the error from that point on.
+Since there is no `arguments` object to offer alternative access to this data, assignment of the parameter is absolutely destructive.
+
+## Rule Details
+
+This rule disallows reassigning exceptions in `catch` clauses.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-ex-assign: "error"*/
+
+try {
+    // code
+} catch (e) {
+    e = 10;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-ex-assign: "error"*/
+
+try {
+    // code
+} catch (e) {
+    var foo = 10;
+}
+```
+
+## Further Reading
+
+* [The "catch" with try...catch](https://bocoup.com/blog/the-catch-with-try-catch) by Ben Alman explains how the exception identifier can leak into the outer scope in IE 6-8
diff --git a/eslint/docs/rules/no-extend-native.md b/eslint/docs/rules/no-extend-native.md
new file mode 100644
index 0000000..c3ccaeb
--- /dev/null
+++ b/eslint/docs/rules/no-extend-native.md
@@ -0,0 +1,75 @@
+# Disallow Extending of Native Objects (no-extend-native)
+
+In JavaScript, you can extend any object, including builtin or "native" objects. Sometimes people change the behavior of these native objects in ways that break the assumptions made about them in other parts of the code.
+
+For example here we are overriding a builtin method that will then affect all Objects, even other builtins.
+
+```js
+// seems harmless
+Object.prototype.extra = 55;
+
+// loop through some userIds
+var users = {
+    "123": "Stan",
+    "456": "David"
+};
+
+// not what you'd expect
+for (var id in users) {
+    console.log(id); // "123", "456", "extra"
+}
+```
+
+A common suggestion to avoid this problem would be to wrap the inside of the `for` loop with `users.hasOwnProperty(id)`. However, if this rule is strictly enforced throughout your codebase you won't need to take that step.
+
+## Rule Details
+
+Disallows directly modifying the prototype of builtin objects.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-extend-native: "error"*/
+
+Object.prototype.a = "a";
+Object.defineProperty(Array.prototype, "times", { value: 999 });
+```
+
+## Options
+
+This rule accepts an `exceptions` option, which can be used to specify a list of builtins for which extensions will be allowed.
+
+### exceptions
+
+Examples of **correct** code for the sample `{ "exceptions": ["Object"] }` option:
+
+```js
+/*eslint no-extend-native: ["error", { "exceptions": ["Object"] }]*/
+
+Object.prototype.a = "a";
+```
+
+## Known Limitations
+
+This rule *does not* report any of the following less obvious approaches to modify the prototype of builtin objects:
+
+```js
+var x = Object;
+x.prototype.thing = a;
+
+eval("Array.prototype.forEach = 'muhahaha'");
+
+with(Array) {
+    prototype.thing = 'thing';
+};
+
+window.Function.prototype.bind = 'tight';
+```
+
+## When Not To Use It
+
+You may want to disable this rule when working with polyfills that try to patch older versions of JavaScript with the latest spec, such as those that might `Function.prototype.bind` or `Array.prototype.forEach` in a future-friendly way.
+
+## Related Rules
+
+* [no-global-assign](no-global-assign.md)
diff --git a/eslint/docs/rules/no-extra-bind.md b/eslint/docs/rules/no-extra-bind.md
new file mode 100644
index 0000000..6d6bf13
--- /dev/null
+++ b/eslint/docs/rules/no-extra-bind.md
@@ -0,0 +1,86 @@
+# Disallow unnecessary function binding (no-extra-bind)
+
+The `bind()` method is used to create functions with specific `this` values and, optionally, binds arguments to specific values. When used to specify the value of `this`, it's important that the function actually uses `this` in its function body. For example:
+
+```js
+var boundGetName = (function getName() {
+    return this.name;
+}).bind({ name: "ESLint" });
+
+console.log(boundGetName());      // "ESLint"
+```
+
+This code is an example of a good use of `bind()` for setting the value of `this`.
+
+Sometimes during the course of code maintenance, the `this` value is removed from the function body. In that case, you can end up with a call to `bind()` that doesn't accomplish anything:
+
+```js
+// useless bind
+var boundGetName = (function getName() {
+    return "ESLint";
+}).bind({ name: "ESLint" });
+
+console.log(boundGetName());      // "ESLint"
+```
+
+In this code, the reference to `this` has been removed but `bind()` is still used. In this case, the `bind()` is unnecessary overhead (and a performance hit) and can be safely removed.
+
+## Rule Details
+
+This rule is aimed at avoiding the unnecessary use of `bind()` and as such will warn whenever an immediately-invoked function expression (IIFE) is using `bind()` and doesn't have an appropriate `this` value. This rule won't flag usage of `bind()` that includes function argument binding.
+
+**Note:** Arrow functions can never have their `this` value set using `bind()`. This rule flags all uses of `bind()` with arrow functions as a problem
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-extra-bind: "error"*/
+/*eslint-env es6*/
+
+var x = function () {
+    foo();
+}.bind(bar);
+
+var x = (() => {
+    foo();
+}).bind(bar);
+
+var x = (() => {
+    this.foo();
+}).bind(bar);
+
+var x = function () {
+    (function () {
+      this.foo();
+    }());
+}.bind(bar);
+
+var x = function () {
+    function foo() {
+      this.bar();
+    }
+}.bind(baz);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-extra-bind: "error"*/
+
+var x = function () {
+    this.foo();
+}.bind(bar);
+
+var x = function (a) {
+    return a + 1;
+}.bind(foo, bar);
+```
+
+## When Not To Use It
+
+If you are not concerned about unnecessary calls to `bind()`, you can safely disable this rule.
+
+## Further Reading
+
+* [Function.prototype.bind](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind)
+* [Understanding JavaScript's Function.prototype.bind](https://www.smashingmagazine.com/2014/01/understanding-javascript-function-prototype-bind/)
diff --git a/eslint/docs/rules/no-extra-boolean-cast.md b/eslint/docs/rules/no-extra-boolean-cast.md
new file mode 100644
index 0000000..5c7d200
--- /dev/null
+++ b/eslint/docs/rules/no-extra-boolean-cast.md
@@ -0,0 +1,124 @@
+# disallow unnecessary boolean casts (no-extra-boolean-cast)
+
+In contexts such as an `if` statement's test where the result of the expression will already be coerced to a Boolean, casting to a Boolean via double negation (`!!`) or a `Boolean` call is unnecessary. For example, these `if` statements are equivalent:
+
+```js
+if (!!foo) {
+    // ...
+}
+
+if (Boolean(foo)) {
+    // ...
+}
+
+if (foo) {
+    // ...
+}
+```
+
+## Rule Details
+
+This rule disallows unnecessary boolean casts.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-extra-boolean-cast: "error"*/
+
+var foo = !!!bar;
+
+var foo = !!bar ? baz : bat;
+
+var foo = Boolean(!!bar);
+
+var foo = new Boolean(!!bar);
+
+if (!!foo) {
+    // ...
+}
+
+if (Boolean(foo)) {
+    // ...
+}
+
+while (!!foo) {
+    // ...
+}
+
+do {
+    // ...
+} while (Boolean(foo));
+
+for (; !!foo; ) {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-extra-boolean-cast: "error"*/
+
+var foo = !!bar;
+var foo = Boolean(bar);
+
+function foo() {
+    return !!bar;
+}
+
+var foo = bar ? !!baz : !!bat;
+```
+
+## Options
+
+This rule has an object option:
+
+* `"enforceForLogicalOperands"` when set to `true`, in addition to checking default contexts, checks whether the extra boolean cast is contained within a logical expression. Default is `false`, meaning that this rule by default does not warn about extra booleans cast inside logical expression.
+
+### enforceForLogicalOperands
+
+Examples of **incorrect** code for this rule with `"enforceForLogicalOperands"` option set to `true`:
+
+```js
+/*eslint no-extra-boolean-cast: ["error", {"enforceForLogicalOperands": true}]*/
+
+if (!!foo || bar) {
+    //...
+}
+
+while (!!foo && bar) {
+    //...
+}
+
+if ((!!foo || bar) && baz) {
+    //...
+}
+
+foo && Boolean(bar) ? baz : bat
+
+var foo = new Boolean(!!bar || baz)
+```
+
+Examples of **correct** code for this rule with `"enforceForLogicalOperands"` option set to `true`:
+
+```js
+/*eslint no-extra-boolean-cast: ["error", {"enforceForLogicalOperands": true}]*/
+
+if (foo || bar) {
+    //...
+}
+
+while (foo && bar) {
+    //...
+}
+
+if ((foo || bar) && baz) {
+    //...
+}
+
+foo && bar ? baz : bat
+
+var foo = new Boolean(bar || baz)
+
+var foo = !!bar || baz;
+```
diff --git a/eslint/docs/rules/no-extra-label.md b/eslint/docs/rules/no-extra-label.md
new file mode 100644
index 0000000..5c7c114
--- /dev/null
+++ b/eslint/docs/rules/no-extra-label.md
@@ -0,0 +1,82 @@
+# Disallow Unnecessary Labels (no-extra-label)
+
+If a loop contains no nested loops or switches, labeling the loop is unnecessary.
+
+```js
+A: while (a) {
+    break A;
+}
+```
+
+You can achieve the same result by removing the label and using `break` or `continue` without a label.
+Probably those labels would confuse developers because they expect labels to jump to further.
+
+## Rule Details
+
+This rule is aimed at eliminating unnecessary labels.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-extra-label: "error"*/
+
+A: while (a) {
+    break A;
+}
+
+B: for (let i = 0; i < 10; ++i) {
+    break B;
+}
+
+C: switch (a) {
+    case 0:
+        break C;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-extra-label: "error"*/
+
+while (a) {
+    break;
+}
+
+for (let i = 0; i < 10; ++i) {
+    break;
+}
+
+switch (a) {
+    case 0:
+        break;
+}
+
+A: {
+    break A;
+}
+
+B: while (a) {
+    while (b) {
+        break B;
+    }
+}
+
+C: switch (a) {
+    case 0:
+        while (b) {
+            break C;
+        }
+        break;
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of labels, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-labels](./no-labels.md)
+* [no-label-var](./no-label-var.md)
+* [no-unused-labels](./no-unused-labels.md)
diff --git a/eslint/docs/rules/no-extra-parens.md b/eslint/docs/rules/no-extra-parens.md
new file mode 100644
index 0000000..4cadaa7
--- /dev/null
+++ b/eslint/docs/rules/no-extra-parens.md
@@ -0,0 +1,267 @@
+# disallow unnecessary parentheses (no-extra-parens)
+
+This rule restricts the use of parentheses to only where they are necessary.
+
+## Rule Details
+
+This rule always ignores extra parentheses around the following:
+
+* RegExp literals such as `(/abc/).test(var)` to avoid conflicts with the [wrap-regex](wrap-regex.md) rule
+* immediately-invoked function expressions (also known as IIFEs) such as `var x = (function () {})();` and `((function foo() {return 1;})())` to avoid conflicts with the [wrap-iife](wrap-iife.md) rule
+* arrow function arguments to avoid conflicts with the [arrow-parens](arrow-parens.md) rule
+
+## Options
+
+This rule has a string option:
+
+* `"all"` (default) disallows unnecessary parentheses around *any* expression
+* `"functions"` disallows unnecessary parentheses *only* around function expressions
+
+This rule has an object option for exceptions to the `"all"` option:
+
+* `"conditionalAssign": false` allows extra parentheses around assignments in conditional test expressions
+* `"returnAssign": false` allows extra parentheses around assignments in `return` statements
+* `"nestedBinaryExpressions": false` allows extra parentheses in nested binary expressions
+* `"ignoreJSX": "none|all|multi-line|single-line"` allows extra parentheses around no/all/multi-line/single-line JSX components. Defaults to `none`.
+* `"enforceForArrowConditionals": false` allows extra parentheses around ternary expressions which are the body of an arrow function
+* `"enforceForSequenceExpressions": false` allows extra parentheses around sequence expressions
+* `"enforceForNewInMemberExpressions": false` allows extra parentheses around `new` expressions in member expressions
+
+### all
+
+Examples of **incorrect** code for this rule with the default `"all"` option:
+
+```js
+/* eslint no-extra-parens: "error" */
+
+a = (b * c);
+
+(a * b) + c;
+
+for (a in (b, c));
+
+for (a in (b));
+
+for (a of (b));
+
+typeof (a);
+
+(function(){} ? a() : b());
+```
+
+Examples of **correct** code for this rule with the default `"all"` option:
+
+```js
+/* eslint no-extra-parens: "error" */
+
+(0).toString();
+
+(Object.prototype.toString.call());
+
+({}.toString.call());
+
+(function(){}) ? a() : b();
+
+(/^a$/).test(x);
+
+for (a of (b, c));
+
+for (a of b);
+
+for (a in b, c);
+
+for (a in b);
+```
+
+### conditionalAssign
+
+Examples of **correct** code for this rule with the `"all"` and `{ "conditionalAssign": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "conditionalAssign": false }] */
+
+while ((foo = bar())) {}
+
+if ((foo = bar())) {}
+
+do; while ((foo = bar()))
+
+for (;(a = b););
+```
+
+### returnAssign
+
+Examples of **correct** code for this rule with the `"all"` and `{ "returnAssign": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "returnAssign": false }] */
+
+function a(b) {
+  return (b = 1);
+}
+
+function a(b) {
+  return b ? (c = d) : (c = e);
+}
+
+b => (b = 1);
+
+b => b ? (c = d) : (c = e);
+```
+
+### nestedBinaryExpressions
+
+Examples of **correct** code for this rule with the `"all"` and `{ "nestedBinaryExpressions": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "nestedBinaryExpressions": false }] */
+
+x = a || (b && c);
+x = a + (b * c);
+x = (a * b) / c;
+```
+
+### ignoreJSX
+
+Examples of **correct** code for this rule with the `all` and `{ "ignoreJSX": "all" }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { ignoreJSX: "all" }] */
+const Component = (<div />)
+const Component = (
+    <div
+        prop={true}
+    />
+)
+```
+
+Examples of **incorrect** code for this rule with the `all` and `{ "ignoreJSX": "multi-line" }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { ignoreJSX: "multi-line" }] */
+const Component = (<div />)
+const Component = (<div><p /></div>)
+```
+
+Examples of **correct** code for this rule with the `all` and `{ "ignoreJSX": "multi-line" }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { ignoreJSX: "multi-line" }] */
+const Component = (
+    <div>
+        <p />
+    </div>
+)
+const Component = (
+    <div
+        prop={true}
+    />
+)
+```
+
+Examples of **incorrect** code for this rule with the `all` and `{ "ignoreJSX": "single-line" }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { ignoreJSX: "single-line" }] */
+const Component = (
+    <div>
+        <p />
+    </div>
+)
+const Component = (
+    <div
+        prop={true}
+    />
+)
+```
+
+Examples of **correct** code for this rule with the `all` and `{ "ignoreJSX": "single-line" }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { ignoreJSX: "single-line" }] */
+const Component = (<div />)
+const Component = (<div><p /></div>)
+```
+
+### enforceForArrowConditionals
+
+Examples of **correct** code for this rule with the `"all"` and `{ "enforceForArrowConditionals": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "enforceForArrowConditionals": false }] */
+
+const b = a => 1 ? 2 : 3;
+const d = c => (1 ? 2 : 3);
+```
+
+### enforceForSequenceExpressions
+
+Examples of **correct** code for this rule with the `"all"` and `{ "enforceForSequenceExpressions": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "enforceForSequenceExpressions": false }] */
+
+(a, b);
+
+if ((val = foo(), val < 10)) {}
+
+while ((val = foo(), val < 10));
+```
+
+### enforceForNewInMemberExpressions
+
+Examples of **correct** code for this rule with the `"all"` and `{ "enforceForNewInMemberExpressions": false }` options:
+
+```js
+/* eslint no-extra-parens: ["error", "all", { "enforceForNewInMemberExpressions": false }] */
+
+const foo = (new Bar()).baz;
+
+const quux = (new Bar())[baz];
+
+(new Bar()).doSomething();
+```
+
+### functions
+
+Examples of **incorrect** code for this rule with the `"functions"` option:
+
+```js
+/* eslint no-extra-parens: ["error", "functions"] */
+
+((function foo() {}))();
+
+var y = (function () {return 1;});
+```
+
+Examples of **correct** code for this rule with the `"functions"` option:
+
+```js
+/* eslint no-extra-parens: ["error", "functions"] */
+
+(0).toString();
+
+(Object.prototype.toString.call());
+
+({}.toString.call());
+
+(function(){} ? a() : b());
+
+(/^a$/).test(x);
+
+a = (b * c);
+
+(a * b) + c;
+
+typeof (a);
+```
+
+## Further Reading
+
+* [MDN: Operator Precedence](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence)
+
+## Related Rules
+
+* [arrow-parens](arrow-parens.md)
+* [no-cond-assign](no-cond-assign.md)
+* [no-return-assign](no-return-assign.md)
diff --git a/eslint/docs/rules/no-extra-semi.md b/eslint/docs/rules/no-extra-semi.md
new file mode 100644
index 0000000..f4dd8e0
--- /dev/null
+++ b/eslint/docs/rules/no-extra-semi.md
@@ -0,0 +1,42 @@
+# disallow unnecessary semicolons (no-extra-semi)
+
+Typing mistakes and misunderstandings about where semicolons are required can lead to semicolons that are unnecessary. While not technically an error, extra semicolons can cause confusion when reading code.
+
+## Rule Details
+
+This rule disallows unnecessary semicolons.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-extra-semi: "error"*/
+
+var x = 5;;
+
+function foo() {
+    // code
+};
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-extra-semi: "error"*/
+
+var x = 5;
+
+var foo = function() {
+    // code
+};
+
+```
+
+## When Not To Use It
+
+If you intentionally use extra semicolons then you can disable this rule.
+
+## Related Rules
+
+* [semi](semi.md)
+* [semi-spacing](semi-spacing.md)
diff --git a/eslint/docs/rules/no-extra-strict.md b/eslint/docs/rules/no-extra-strict.md
new file mode 100644
index 0000000..a350f77
--- /dev/null
+++ b/eslint/docs/rules/no-extra-strict.md
@@ -0,0 +1,50 @@
+# no-extra-strict: disallow strict mode directives when already in strict mode
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [strict](strict.md) rule. The `"global"` or `"function"` options in the new rule are similar to the removed rule.
+
+The `"use strict";` directive applies to the scope in which it appears and all inner scopes contained within that scope. Therefore, using the `"use strict";` directive in one of these inner scopes is unnecessary.
+
+```js
+"use strict";
+
+(function () {
+    "use strict";
+    var foo = true;
+}());
+```
+
+## Rule Details
+
+This rule is aimed at preventing unnecessary `"use strict";` directives. As such, it will warn when it encounters a `"use strict";` directive when already in strict mode.
+
+Example of **incorrect** code for this rule:
+
+```js
+"use strict";
+
+(function () {
+    "use strict";
+    var foo = true;
+}());
+```
+
+Examples of **correct** code for this rule:
+
+```js
+"use strict";
+
+(function () {
+    var foo = true;
+}());
+```
+
+```js
+(function () {
+    "use strict";
+    var foo = true;
+}());
+```
+
+## Further Reading
+
+* [The ECMAScript 5 Annotated Specification - Strict Mode](https://es5.github.io/#C)
diff --git a/eslint/docs/rules/no-fallthrough.md b/eslint/docs/rules/no-fallthrough.md
new file mode 100644
index 0000000..15ca77f
--- /dev/null
+++ b/eslint/docs/rules/no-fallthrough.md
@@ -0,0 +1,169 @@
+# Disallow Case Statement Fallthrough (no-fallthrough)
+
+The `switch` statement in JavaScript is one of the more error-prone constructs of the language thanks in part to the ability to "fall through" from one `case` to the next. For example:
+
+```js
+switch(foo) {
+    case 1:
+        doSomething();
+
+    case 2:
+        doSomethingElse();
+}
+```
+
+In this example, if `foo` is `1`, then execution will flow through both cases, as the first falls through to the second. You can prevent this by using `break`, as in this example:
+
+```js
+switch(foo) {
+    case 1:
+        doSomething();
+        break;
+
+    case 2:
+        doSomethingElse();
+}
+```
+
+That works fine when you don't want a fallthrough, but what if the fallthrough is intentional, there is no way to indicate that in the language. It's considered a best practice to always indicate when a fallthrough is intentional using a comment which matches the `/falls?\s?through/i` regular expression:
+
+```js
+switch(foo) {
+    case 1:
+        doSomething();
+        // falls through
+
+    case 2:
+        doSomethingElse();
+}
+
+switch(foo) {
+    case 1:
+        doSomething();
+        // fall through
+
+    case 2:
+        doSomethingElse();
+}
+
+switch(foo) {
+    case 1:
+        doSomething();
+        // fallsthrough
+
+    case 2:
+        doSomethingElse();
+}
+```
+
+In this example, there is no confusion as to the expected behavior. It is clear that the first case is meant to fall through to the second case.
+
+## Rule Details
+
+This rule is aimed at eliminating unintentional fallthrough of one case to the other. As such, it flags any fallthrough scenarios that are not marked by a comment.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-fallthrough: "error"*/
+
+switch(foo) {
+    case 1:
+        doSomething();
+
+    case 2:
+        doSomething();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-fallthrough: "error"*/
+
+switch(foo) {
+    case 1:
+        doSomething();
+        break;
+
+    case 2:
+        doSomething();
+}
+
+function bar(foo) {
+    switch(foo) {
+        case 1:
+            doSomething();
+            return;
+
+        case 2:
+            doSomething();
+    }
+}
+
+switch(foo) {
+    case 1:
+        doSomething();
+        throw new Error("Boo!");
+
+    case 2:
+        doSomething();
+}
+
+switch(foo) {
+    case 1:
+    case 2:
+        doSomething();
+}
+
+switch(foo) {
+    case 1:
+        doSomething();
+        // falls through
+
+    case 2:
+        doSomething();
+}
+```
+
+Note that the last `case` statement in these examples does not cause a warning because there is nothing to fall through into.
+
+## Options
+
+This rule accepts a single options argument:
+
+* Set the `commentPattern` option to a regular expression string to change the test for intentional fallthrough comment
+
+### commentPattern
+
+Examples of **correct** code for the `{ "commentPattern": "break[\\s\\w]*omitted" }` option:
+
+```js
+/*eslint no-fallthrough: ["error", { "commentPattern": "break[\\s\\w]*omitted" }]*/
+
+switch(foo) {
+    case 1:
+        doSomething();
+        // break omitted
+
+    case 2:
+        doSomething();
+}
+
+switch(foo) {
+    case 1:
+        doSomething();
+        // caution: break is omitted intentionally
+
+    default:
+        doSomething();
+}
+```
+
+## When Not To Use It
+
+If you don't want to enforce that each `case` statement should end with a `throw`, `return`, `break`, or comment, then you can safely turn this rule off.
+
+## Related Rules
+
+* [default-case](default-case.md)
diff --git a/eslint/docs/rules/no-floating-decimal.md b/eslint/docs/rules/no-floating-decimal.md
new file mode 100644
index 0000000..880bc07
--- /dev/null
+++ b/eslint/docs/rules/no-floating-decimal.md
@@ -0,0 +1,43 @@
+# Disallow Floating Decimals (no-floating-decimal)
+
+Float values in JavaScript contain a decimal point, and there is no requirement that the decimal point be preceded or followed by a number. For example, the following are all valid JavaScript numbers:
+
+```js
+var num = .5;
+var num = 2.;
+var num = -.7;
+```
+
+Although not a syntax error, this format for numbers can make it difficult to distinguish between true decimal numbers and the dot operator. For this reason, some recommend that you should always include a number before and after a decimal point to make it clear the intent is to create a decimal number.
+
+## Rule Details
+
+This rule is aimed at eliminating floating decimal points and will warn whenever a numeric value has a decimal point but is missing a number either before or after it.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-floating-decimal: "error"*/
+
+var num = .5;
+var num = 2.;
+var num = -.7;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-floating-decimal: "error"*/
+
+var num = 0.5;
+var num = 2.0;
+var num = -0.7;
+```
+
+## When Not To Use It
+
+If you aren't concerned about misinterpreting floating decimal point values, then you can safely turn this rule off.
+
+## Compatibility
+
+* **JSHint**: W008, W047
diff --git a/eslint/docs/rules/no-func-assign.md b/eslint/docs/rules/no-func-assign.md
new file mode 100644
index 0000000..b4c582e
--- /dev/null
+++ b/eslint/docs/rules/no-func-assign.md
@@ -0,0 +1,51 @@
+# disallow reassigning `function` declarations (no-func-assign)
+
+JavaScript functions can be written as a FunctionDeclaration `function foo() { ... }` or as a FunctionExpression `var foo = function() { ... };`. While a JavaScript interpreter might tolerate it, overwriting/reassigning a function written as a FunctionDeclaration is often indicative of a mistake or issue.
+
+```js
+function foo() {}
+foo = bar;
+```
+
+## Rule Details
+
+This rule disallows reassigning `function` declarations.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-func-assign: "error"*/
+
+function foo() {}
+foo = bar;
+
+function foo() {
+    foo = bar;
+}
+```
+
+Examples of **incorrect** code for this rule, unlike the corresponding rule in JSHint:
+
+```js
+/*eslint no-func-assign: "error"*/
+
+foo = bar;
+function foo() {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-func-assign: "error"*/
+
+var foo = function () {}
+foo = bar;
+
+function foo(foo) { // `foo` is shadowed.
+    foo = bar;
+}
+
+function foo() {
+    var foo = bar;  // `foo` is shadowed.
+}
+```
diff --git a/eslint/docs/rules/no-global-assign.md b/eslint/docs/rules/no-global-assign.md
new file mode 100644
index 0000000..b3718d1
--- /dev/null
+++ b/eslint/docs/rules/no-global-assign.md
@@ -0,0 +1,89 @@
+# Disallow assignment to native objects or read-only global variables (no-global-assign)
+
+JavaScript environments contain a number of built-in global variables, such as `window` in browsers and `process` in Node.js. In almost all cases, you don't want to assign a value to these global variables as doing so could result in losing access to important functionality. For example, you probably don't want to do this in browser code:
+
+```js
+window = {};
+```
+
+While examples such as `window` are obvious, there are often hundreds of built-in global objects provided by JavaScript environments. It can be hard to know if you're assigning to a global variable or not.
+
+## Rule Details
+
+This rule disallows modifications to read-only global variables.
+
+ESLint has the capability to configure global variables as read-only.
+
+* [Specifying Environments](../user-guide/configuring#specifying-environments)
+* [Specifying Globals](../user-guide/configuring#specifying-globals)
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-global-assign: "error"*/
+
+Object = null
+undefined = 1
+```
+
+```js
+/*eslint no-global-assign: "error"*/
+/*eslint-env browser*/
+
+window = {}
+length = 1
+top = 1
+```
+
+```js
+/*eslint no-global-assign: "error"*/
+/*global a:readonly*/
+
+a = 1
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-global-assign: "error"*/
+
+a = 1
+var b = 1
+b = 2
+```
+
+```js
+/*eslint no-global-assign: "error"*/
+/*eslint-env browser*/
+
+onload = function() {}
+```
+
+```js
+/*eslint no-global-assign: "error"*/
+/*global a:writable*/
+
+a = 1
+```
+
+## Options
+
+This rule accepts an `exceptions` option, which can be used to specify a list of builtins for which reassignments will be allowed:
+
+```json
+{
+    "rules": {
+        "no-global-assign": ["error", {"exceptions": ["Object"]}]
+    }
+}
+```
+
+## When Not To Use It
+
+If you are trying to override one of the native objects.
+
+## Related Rules
+
+* [no-extend-native](no-extend-native.md)
+* [no-redeclare](no-redeclare.md)
+* [no-shadow](no-shadow.md)
diff --git a/eslint/docs/rules/no-implicit-coercion.md b/eslint/docs/rules/no-implicit-coercion.md
new file mode 100644
index 0000000..f78e40c
--- /dev/null
+++ b/eslint/docs/rules/no-implicit-coercion.md
@@ -0,0 +1,124 @@
+# Disallow the type conversion with shorter notations. (no-implicit-coercion)
+
+In JavaScript, there are a lot of different ways to convert value types.
+Some of them might be hard to read and understand.
+
+Such as:
+
+```js
+var b = !!foo;
+var b = ~foo.indexOf(".");
+var n = +foo;
+var n = 1 * foo;
+var s = "" + foo;
+foo += ``;
+```
+
+Those can be replaced with the following code:
+
+```js
+var b = Boolean(foo);
+var b = foo.indexOf(".") !== -1;
+var n = Number(foo);
+var n = Number(foo);
+var s = String(foo);
+foo = String(foo);
+```
+
+## Rule Details
+
+This rule is aimed to flag shorter notations for the type conversion, then suggest a more self-explanatory notation.
+
+## Options
+
+This rule has three main options and one override option to allow some coercions as required.
+
+* `"boolean"` (`true` by default) - When this is `true`, this rule warns shorter type conversions for `boolean` type.
+* `"number"` (`true` by default) - When this is `true`, this rule warns shorter type conversions for `number` type.
+* `"string"` (`true` by default) - When this is `true`, this rule warns shorter type conversions for `string` type.
+* `"allow"` (`empty` by default) - Each entry in this array can be one of `~`, `!!`, `+` or `*` that are to be allowed.
+
+Note that operator `+` in `allow` list would allow `+foo` (number coercion) as well as `"" + foo` (string coercion).
+
+### boolean
+
+Examples of **incorrect** code for the default `{ "boolean": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var b = !!foo;
+var b = ~foo.indexOf(".");
+// bitwise not is incorrect only with `indexOf`/`lastIndexOf` method calling.
+```
+
+Examples of **correct** code for the default `{ "boolean": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var b = Boolean(foo);
+var b = foo.indexOf(".") !== -1;
+
+var n = ~foo; // This is a just bitwise not.
+```
+
+### number
+
+Examples of **incorrect** code for the default `{ "number": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var n = +foo;
+var n = 1 * foo;
+```
+
+Examples of **correct** code for the default `{ "number": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var n = Number(foo);
+var n = parseFloat(foo);
+var n = parseInt(foo, 10);
+```
+
+### string
+
+Examples of **incorrect** code for the default `{ "string": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var s = "" + foo;
+var s = `` + foo;
+foo += "";
+foo += ``;
+```
+
+Examples of **correct** code for the default `{ "string": true }` option:
+
+```js
+/*eslint no-implicit-coercion: "error"*/
+
+var s = String(foo);
+foo = String(foo);
+```
+
+### allow
+
+Using `allow` list, we can override and allow specific operators.
+
+Examples of **correct** code for the sample `{ "allow": ["!!", "~"] }` option:
+
+```js
+/*eslint no-implicit-coercion: [2, { "allow": ["!!", "~"] } ]*/
+
+var b = !!foo;
+var b = ~foo.indexOf(".");
+```
+
+## When Not To Use It
+
+If you don't want to be notified about shorter notations for the type conversion, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-implicit-globals.md b/eslint/docs/rules/no-implicit-globals.md
new file mode 100644
index 0000000..04a3cd3
--- /dev/null
+++ b/eslint/docs/rules/no-implicit-globals.md
@@ -0,0 +1,226 @@
+# Disallow declarations in the global scope (no-implicit-globals)
+
+It is the best practice to avoid 'polluting' the global scope with variables that are intended to be local to the script.
+
+Global variables created from a script can produce name collisions with global variables created from another script, which will
+usually lead to runtime errors or unexpected behavior.
+
+This rule disallows the following:
+
+* Declarations that create one or more variables in the global scope.
+* Global variable leaks.
+* Redeclarations of read-only global variables and assignments to read-only global variables.
+
+There is an explicit way to create a global variable when needed, by assigning to a property of the global object.
+
+This rule is mostly useful for browser scripts. Top-level declarations in ES modules and CommonJS modules create module-scoped
+variables. ES modules also have implicit `strict` mode, which prevents global variable leaks.
+
+By default, this rule does not check `const`, `let` and `class` declarations.
+
+This rule has an object option with one option:
+
+* Set `"lexicalBindings"` to `true` if you want this rule to check `const`, `let` and `class` declarations as well.
+
+## Rule Details
+
+### `var` and `function` declarations
+
+When working with browser scripts, developers often forget that variable and function declarations at the top-level scope become global variables on the `window` object. As opposed to modules which have their own scope. Globals should be explicitly assigned to `window` or `self` if that is the intent. Otherwise variables intended to be local to the script should be wrapped in an IIFE.
+
+This rule disallows `var` and `function` declarations at the top-level script scope. This does not apply to ES and CommonJS modules since they have a module scope.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-implicit-globals: "error"*/
+
+var foo = 1;
+
+function bar() {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-implicit-globals: "error"*/
+
+// explicitly set on window
+window.foo = 1;
+window.bar = function() {};
+
+// intended to be scope to this file
+(function() {
+  var foo = 1;
+
+  function bar() {}
+})();
+```
+
+Examples of **correct** code for this rule with `"parserOptions": { "sourceType": "module" }` in the ESLint configuration:
+
+```js
+/*eslint no-implicit-globals: "error"*/
+
+// foo and bar are local to module
+var foo = 1;
+function bar() {}
+```
+
+### Global variable leaks
+
+When the code is not in `strict` mode, an assignment to an undeclared variable creates
+a new global variable. This will happen even is the code is in a function.
+
+This does not apply to ES modules since the module code is implicitly in `strict` mode.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-implicit-globals: "error"*/
+
+foo = 1;
+
+Bar.prototype.baz = function () {
+    a = 1; // Intended to be this.a = 1;
+};
+```
+
+### Read-only global variables
+
+This rule also disallows redeclarations of read-only global variables and assignments to read-only global variables.
+
+A read-only global variable can be a built-in ES global (e.g. `Array`), an environment specific global
+(e.g. `window` in the browser environment), or a global variable defined as `readonly` in the configuration file
+or in a `/*global */` comment.
+
+* [Specifying Environments](../user-guide/configuring#specifying-environments)
+* [Specifying Globals](../user-guide/configuring#specifying-globals)
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-implicit-globals: "error"*/
+
+/*global foo:readonly*/
+
+foo = 1;
+
+Array = [];
+var Object;
+```
+
+### `const`, `let` and `class` declarations
+
+Lexical declarations `const` and `let`, as well as `class` declarations, create variables that are block-scoped.
+
+However, when declared in the top-level of a browser script these variables are not 'script-scoped'.
+They are actually created in the global scope and could produce name collisions with
+`var`, `const` and `let` variables and `function` and `class` declarations from other scripts.
+This does not apply to ES and CommonJS  modules.
+
+If the variable is intended to be local to the script, wrap the code with a block or with an immediately-invoked function expression (IIFE).
+
+Examples of **correct** code for this rule with `"lexicalBindings"` option set to `false` (default):
+
+```js
+/*eslint no-implicit-globals: ["error", {"lexicalBindings": false}]*/
+
+const foo = 1;
+
+let baz;
+
+class Bar {}
+```
+
+Examples of **incorrect** code for this rule with `"lexicalBindings"` option set to `true`:
+
+```js
+/*eslint no-implicit-globals: ["error", {"lexicalBindings": true}]*/
+
+const foo = 1;
+
+let baz;
+
+class Bar {}
+```
+
+Examples of **correct** code for this rule with `"lexicalBindings"` option set to `true`:
+
+```js
+/*eslint no-implicit-globals: ["error", {"lexicalBindings": true}]*/
+
+{
+    const foo = 1;
+    let baz;
+    class Bar {}
+}
+
+(function() {
+    const foo = 1;
+    let baz;
+    class Bar {}
+}());
+```
+
+If you intend to create a global `const` or `let` variable or a global `class` declaration, to be used from other scripts,
+be aware that there are certain differences when compared to the traditional methods, which are `var` declarations and assigning to a property of the global `window` object:
+
+* Lexically declared variables cannot be conditionally created. A script cannot check for the existence of
+a variable and then create a new one. `var` variables are also always created, but redeclarations do not
+cause runtime exceptions.
+* Lexically declared variables do not create properties on the global object, which is what a consuming script might expect.
+* Lexically declared variables are shadowing properties of the global object, which might produce errors if a
+consuming script is using both the variable and the property.
+* Lexically declared variables can produce a permanent Temporal Dead Zone (TDZ) if the initialization throws an exception.
+Even the `typeof` check is not safe from TDZ reference exceptions.
+
+Examples of **incorrect** code for this rule with `"lexicalBindings"` option set to `true`:
+
+```js
+/*eslint no-implicit-globals: ["error", {"lexicalBindings": true}]*/
+
+const MyGlobalFunction = (function() {
+    const a = 1;
+    let b = 2;
+    return function() {
+        return a + b;
+    }
+}());
+```
+
+Examples of **correct** code for this rule with `"lexicalBindings"` option set to `true`:
+
+```js
+/*eslint no-implicit-globals: ["error", {"lexicalBindings": true}]*/
+
+window.MyGlobalFunction = (function() {
+    const a = 1;
+    let b = 2;
+    return function() {
+        return a + b;
+    }
+}());
+```
+
+## When Not To Use It
+
+In the case of a browser script, if you want to be able to explicitly declare variables and functions in the global scope,
+and your code is in strict mode or you don't want this rule to warn you about undeclared variables,
+and you also don't want this rule to warn you about read-only globals, you can disable this rule.
+
+In the case of a CommonJS module, if your code is in strict mode or you don't want this rule to warn you about undeclared variables,
+and you also don't want this rule to warn you about the read-only globals, you can disable this rule.
+
+In the case of an ES module, if you don't want this rule to warn you about the read-only globals you can disable this rule.
+
+## Further Reading
+
+* [Immediately-Invoked Function Expression (IIFE)](http://benalman.com/news/2010/11/immediately-invoked-function-expression/)
+* [ReferenceError: assignment to undeclared variable](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Undeclared_var)
+* [Temporal Dead Zone](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let#Temporal_dead_zone)
+
+## Related Rules
+
+* [no-undef](no-undef.md)
+* [no-global-assign](no-global-assign.md)
diff --git a/eslint/docs/rules/no-implied-eval.md b/eslint/docs/rules/no-implied-eval.md
new file mode 100644
index 0000000..d300ff6
--- /dev/null
+++ b/eslint/docs/rules/no-implied-eval.md
@@ -0,0 +1,63 @@
+# Disallow Implied eval() (no-implied-eval)
+
+It's considered a good practice to avoid using `eval()` in JavaScript. There are security and performance implications involved with doing so, which is why many linters (including ESLint) recommend disallowing `eval()`. However, there are some other ways to pass a string and have it interpreted as JavaScript code that have similar concerns.
+
+The first is using `setTimeout()`, `setInterval()` or `execScript()` (Internet Explorer only), all of which can accept a string of JavaScript code as their first argument. For example:
+
+```js
+setTimeout("alert('Hi!');", 100);
+```
+
+This is considered an implied `eval()` because a string of JavaScript code is
+ passed in to be interpreted. The same can be done with `setInterval()` and `execScript()`. Both interpret the JavaScript code in  the global scope. For  both `setTimeout()` and `setInterval()`, the first argument can also be a function, and that is considered safer and is more performant:
+
+```js
+setTimeout(function() {
+    alert("Hi!");
+}, 100);
+```
+
+The best practice is to always use a function for the first argument of `setTimeout()` and `setInterval()` (and avoid `execScript()`).
+
+
+## Rule Details
+
+This rule aims to eliminate implied `eval()` through the use of `setTimeout()`, `setInterval()` or `execScript()`. As such, it will warn when either function is used with a string as the first argument.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-implied-eval: "error"*/
+
+setTimeout("alert('Hi!');", 100);
+
+setInterval("alert('Hi!');", 100);
+
+execScript("alert('Hi!')");
+
+window.setTimeout("count = 5", 10);
+
+window.setInterval("foo = bar", 10);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-implied-eval: "error"*/
+
+setTimeout(function() {
+    alert("Hi!");
+}, 100);
+
+setInterval(function() {
+    alert("Hi!");
+}, 100);
+```
+
+## When Not To Use It
+
+If you want to allow `setTimeout()` and `setInterval()` with string arguments, then you can safely disable this rule.
+
+## Related Rules
+
+* [no-eval](no-eval.md)
diff --git a/eslint/docs/rules/no-import-assign.md b/eslint/docs/rules/no-import-assign.md
new file mode 100644
index 0000000..78b228d
--- /dev/null
+++ b/eslint/docs/rules/no-import-assign.md
@@ -0,0 +1,44 @@
+# disallow assigning to imported bindings (no-import-assign)
+
+The updates of imported bindings by ES Modules cause runtime errors.
+
+## Rule Details
+
+This rule warns the assignments, increments, and decrements of imported bindings.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-import-assign: "error"*/
+
+import mod, { named } from "./mod.mjs"
+import * as mod_ns from "./mod.mjs"
+
+mod = 1          // ERROR: 'mod' is readonly.
+named = 2        // ERROR: 'named' is readonly.
+mod_ns.named = 3 // ERROR: the members of 'mod_ns' is readonly.
+mod_ns = {}      // ERROR: 'mod_ns' is readonly.
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-import-assign: "error"*/
+
+import mod, { named } from "./mod.mjs"
+import * as mod_ns from "./mod.mjs"
+
+mod.prop = 1
+named.prop = 2
+mod_ns.named.prop = 3
+
+// Known Limitation
+function test(obj) {
+    obj.named = 4 // Not errored because 'obj' is not namespace objects.
+}
+test(mod_ns) // Not errored because it doesn't know that 'test' updates the member of the argument.
+```
+
+## When Not To Use It
+
+If you don't want to be notified about modifying imported bindings, you can disable this rule.
diff --git a/eslint/docs/rules/no-inline-comments.md b/eslint/docs/rules/no-inline-comments.md
new file mode 100644
index 0000000..cde77e9
--- /dev/null
+++ b/eslint/docs/rules/no-inline-comments.md
@@ -0,0 +1,89 @@
+# disallow inline comments after code (no-inline-comments)
+
+Some style guides disallow comments on the same line as code. Code can become difficult to read if comments immediately follow the code on the same line.
+On the other hand, it is sometimes faster and more obvious to put comments immediately following code.
+
+## Rule Details
+
+This rule disallows comments on the same line as code.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-inline-comments: "error"*/
+
+var a = 1; // declaring a to 1
+
+function getRandomNumber(){
+    return 4; // chosen by fair dice roll.
+              // guaranteed to be random.
+}
+
+/* A block comment before code */ var b = 2;
+
+var c = 3; /* A block comment after code */
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-inline-comments: "error"*/
+
+// This is a comment above a line of code
+var foo = 5;
+
+var bar = 5;
+//This is a comment below a line of code
+```
+
+### JSX exception
+
+Comments inside the curly braces in JSX are allowed to be on the same line as the braces, but only if they are not on the same line with other code, and the braces do not enclose an actual expression.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-inline-comments: "error"*/
+
+var foo = <div>{ /* On the same line with other code */ }<h1>Some heading</h1></div>;
+
+var bar = (
+    <div>
+    {   // These braces are not just for the comment, so it can't be on the same line
+        baz
+    }
+    </div>
+);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-inline-comments: "error"*/
+
+var foo = (
+    <div>
+      {/* These braces are just for this comment and there is nothing else on this line */}
+      <h1>Some heading</h1>
+    </div>
+)
+
+var bar = (
+    <div>
+    {
+        // There is nothing else on this line
+        baz
+    }
+    </div>
+);
+
+var quux = (
+    <div>
+      {/*
+        Multiline
+        comment
+      */}
+      <h1>Some heading</h1>
+    </div>
+)
+```
diff --git a/eslint/docs/rules/no-inner-declarations.md b/eslint/docs/rules/no-inner-declarations.md
new file mode 100644
index 0000000..23fd925
--- /dev/null
+++ b/eslint/docs/rules/no-inner-declarations.md
@@ -0,0 +1,144 @@
+# disallow variable or `function` declarations in nested blocks  (no-inner-declarations)
+
+In JavaScript, prior to ES6, a function declaration is only allowed in the first level of a program or the body of another function, though parsers sometimes [erroneously accept them elsewhere](https://code.google.com/p/esprima/issues/detail?id=422). This only applies to function declarations; named or anonymous function expressions can occur anywhere an expression is permitted.
+
+```js
+// Good
+function doSomething() { }
+
+// Bad
+if (test) {
+    function doSomethingElse () { }
+}
+
+function anotherThing() {
+    var fn;
+
+    if (test) {
+
+        // Good
+        fn = function expression() { };
+
+        // Bad
+        function declaration() { }
+    }
+}
+```
+
+A variable declaration is permitted anywhere a statement can go, even nested deeply inside other blocks. This is often undesirable due to variable hoisting, and moving declarations to the root of the program or function body can increase clarity. Note that [block bindings](https://leanpub.com/understandinges6/read#leanpub-auto-block-bindings) (`let`, `const`) are not hoisted and therefore they are not affected by this rule.
+
+```js
+/*eslint-env es6*/
+
+// Good
+var foo = 42;
+
+// Good
+if (foo) {
+    let bar1;
+}
+
+// Bad
+while (test) {
+    var bar2;
+}
+
+function doSomething() {
+    // Good
+    var baz = true;
+
+    // Bad
+    if (baz) {
+        var quux;
+    }
+}
+```
+
+## Rule Details
+
+This rule requires that function declarations and, optionally, variable declarations be in the root of a program or the body of a function.
+
+## Options
+
+This rule has a string option:
+
+* `"functions"` (default) disallows `function` declarations in nested blocks
+* `"both"` disallows `function` and `var` declarations in nested blocks
+
+### functions
+
+Examples of **incorrect** code for this rule with the default `"functions"` option:
+
+```js
+/*eslint no-inner-declarations: "error"*/
+
+if (test) {
+    function doSomething() { }
+}
+
+function doSomethingElse() {
+    if (test) {
+        function doAnotherThing() { }
+    }
+}
+```
+
+Examples of **correct** code for this rule with the default `"functions"` option:
+
+```js
+/*eslint no-inner-declarations: "error"*/
+
+function doSomething() { }
+
+function doSomethingElse() {
+    function doAnotherThing() { }
+}
+
+if (test) {
+    asyncCall(id, function (err, data) { });
+}
+
+var fn;
+if (test) {
+    fn = function fnExpression() { };
+}
+```
+
+### both
+
+Examples of **incorrect** code for this rule with the `"both"` option:
+
+```js
+/*eslint no-inner-declarations: ["error", "both"]*/
+
+if (test) {
+    var foo = 42;
+}
+
+function doAnotherThing() {
+    if (test) {
+        var bar = 81;
+    }
+}
+```
+
+Examples of **correct** code for this rule with the `"both"` option:
+
+```js
+/*eslint no-inner-declarations: "error"*/
+/*eslint-env es6*/
+
+var bar = 42;
+
+if (test) {
+    let baz = 43;
+}
+
+function doAnotherThing() {
+    var baz = 81;
+}
+```
+
+## When Not To Use It
+
+The function declaration portion rule will be rendered obsolete when [block-scoped functions](https://bugzilla.mozilla.org/show_bug.cgi?id=585536) land in ES6, but until then, it should be left on to enforce valid constructions. Disable checking variable declarations when using [block-scoped-var](block-scoped-var.md) or if declaring variables in nested blocks is acceptable despite hoisting.
diff --git a/eslint/docs/rules/no-invalid-regexp.md b/eslint/docs/rules/no-invalid-regexp.md
new file mode 100644
index 0000000..d656da0
--- /dev/null
+++ b/eslint/docs/rules/no-invalid-regexp.md
@@ -0,0 +1,64 @@
+# disallow invalid regular expression strings in `RegExp` constructors (no-invalid-regexp)
+
+An invalid pattern in a regular expression literal is a `SyntaxError` when the code is parsed, but an invalid string in `RegExp` constructors throws a `SyntaxError` only when the code is executed.
+
+## Rule Details
+
+This rule disallows invalid regular expression strings in `RegExp` constructors.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-invalid-regexp: "error"*/
+
+RegExp('[')
+
+RegExp('.', 'z')
+
+new RegExp('\\')
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-invalid-regexp: "error"*/
+
+RegExp('.')
+
+new RegExp
+
+this.RegExp('[')
+```
+
+## Environments
+
+ECMAScript 6 adds the following flag arguments to the `RegExp` constructor:
+
+* `"u"` ([unicode](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-get-regexp.prototype.unicode))
+* `"y"` ([sticky](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-get-regexp.prototype.sticky))
+
+You can enable these to be recognized as valid by setting the ECMAScript version to 6 in your [ESLint configuration](../user-guide/configuring).
+
+If you want to allow additional constructor flags for any reason, you can specify them using an `allowConstructorFlags` option in `.eslintrc`. These flags will then be ignored by the rule regardless of the `ecmaVersion` setting.
+
+## Options
+
+This rule has an object option for exceptions:
+
+* `"allowConstructorFlags"` is an array of flags
+
+### allowConstructorFlags
+
+Examples of **correct** code for this rule with the `{ "allowConstructorFlags": ["u", "y"] }` option:
+
+```js
+/*eslint no-invalid-regexp: ["error", { "allowConstructorFlags": ["u", "y"] }]*/
+
+new RegExp('.', 'y')
+
+new RegExp('.', 'yu')
+```
+
+## Further Reading
+
+* [Annotated ES5 §7.8.5 - Regular Expression Literals](https://es5.github.io/#x7.8.5)
diff --git a/eslint/docs/rules/no-invalid-this.md b/eslint/docs/rules/no-invalid-this.md
new file mode 100644
index 0000000..7614b59
--- /dev/null
+++ b/eslint/docs/rules/no-invalid-this.md
@@ -0,0 +1,251 @@
+# Disallow `this` keywords outside of classes or class-like objects. (no-invalid-this)
+
+Under the strict mode, `this` keywords outside of classes or class-like objects might be `undefined` and raise a `TypeError`.
+
+## Rule Details
+
+This rule aims to flag usage of `this` keywords outside of classes or class-like objects.
+
+Basically, this rule checks whether or not a function containing `this` keyword is a constructor or a method.
+
+This rule judges from following conditions whether or not the function is a constructor:
+
+* The name of the function starts with uppercase.
+* The function is assigned to a variable which starts with an uppercase letter.
+* The function is a constructor of ES2015 Classes.
+
+This rule judges from following conditions whether or not the function is a method:
+
+* The function is on an object literal.
+* The function is assigned to a property.
+* The function is a method/getter/setter of ES2015 Classes. (excepts static methods)
+
+And this rule allows `this` keywords in functions below:
+
+* The `call/apply/bind` method of the function is called directly.
+* The function is a callback of array methods (such as `.forEach()`) if `thisArg` is given.
+* The function has `@this` tag in its JSDoc comment.
+
+Otherwise are considered problems.
+
+This rule applies **only** in strict mode.
+With `"parserOptions": { "sourceType": "module" }` in the ESLint configuration, your code is in strict mode even without a `"use strict"` directive.
+
+Examples of **incorrect** code for this rule in strict mode:
+
+```js
+/*eslint no-invalid-this: "error"*/
+/*eslint-env es6*/
+
+"use strict";
+
+this.a = 0;
+baz(() => this);
+
+(function() {
+    this.a = 0;
+    baz(() => this);
+})();
+
+function foo() {
+    this.a = 0;
+    baz(() => this);
+}
+
+var foo = function() {
+    this.a = 0;
+    baz(() => this);
+};
+
+foo(function() {
+    this.a = 0;
+    baz(() => this);
+});
+
+obj.foo = () => {
+    // `this` of arrow functions is the outer scope's.
+    this.a = 0;
+};
+
+var obj = {
+    aaa: function() {
+        return function foo() {
+            // There is in a method `aaa`, but `foo` is not a method.
+            this.a = 0;
+            baz(() => this);
+        };
+    }
+};
+
+foo.forEach(function() {
+    this.a = 0;
+    baz(() => this);
+});
+```
+
+Examples of **correct** code for this rule in strict mode:
+
+```js
+/*eslint no-invalid-this: "error"*/
+/*eslint-env es6*/
+
+"use strict";
+
+function Foo() {
+    // OK, this is in a legacy style constructor.
+    this.a = 0;
+    baz(() => this);
+}
+
+class Foo {
+    constructor() {
+        // OK, this is in a constructor.
+        this.a = 0;
+        baz(() => this);
+    }
+}
+
+var obj = {
+    foo: function foo() {
+        // OK, this is in a method (this function is on object literal).
+        this.a = 0;
+    }
+};
+
+var obj = {
+    foo() {
+        // OK, this is in a method (this function is on object literal).
+        this.a = 0;
+    }
+};
+
+var obj = {
+    get foo() {
+        // OK, this is in a method (this function is on object literal).
+        return this.a;
+    }
+};
+
+var obj = Object.create(null, {
+    foo: {value: function foo() {
+        // OK, this is in a method (this function is on object literal).
+        this.a = 0;
+    }}
+});
+
+Object.defineProperty(obj, "foo", {
+    value: function foo() {
+        // OK, this is in a method (this function is on object literal).
+        this.a = 0;
+    }
+});
+
+Object.defineProperties(obj, {
+    foo: {value: function foo() {
+        // OK, this is in a method (this function is on object literal).
+        this.a = 0;
+    }}
+});
+
+function Foo() {
+    this.foo = function foo() {
+        // OK, this is in a method (this function assigns to a property).
+        this.a = 0;
+        baz(() => this);
+    };
+}
+
+obj.foo = function foo() {
+    // OK, this is in a method (this function assigns to a property).
+    this.a = 0;
+};
+
+Foo.prototype.foo = function foo() {
+    // OK, this is in a method (this function assigns to a property).
+    this.a = 0;
+};
+
+class Foo {
+    foo() {
+        // OK, this is in a method.
+        this.a = 0;
+        baz(() => this);
+    }
+
+    static foo() {
+        // OK, this is in a method (static methods also have valid this).
+        this.a = 0;
+        baz(() => this);
+    }
+}
+
+var foo = (function foo() {
+    // OK, the `bind` method of this function is called directly.
+    this.a = 0;
+}).bind(obj);
+
+foo.forEach(function() {
+    // OK, `thisArg` of `.forEach()` is given.
+    this.a = 0;
+    baz(() => this);
+}, thisArg);
+
+/** @this Foo */
+function foo() {
+    // OK, this function has a `@this` tag in its JSDoc comment.
+    this.a = 0;
+}
+```
+
+## Options
+
+This rule has an object option, with one option:
+
+* `"capIsConstructor": false` (default `true`) disables the assumption that a function which name starts with an uppercase is a constructor.
+
+### capIsConstructor
+
+By default, this rule always allows the use of `this` in functions which name starts with an uppercase and anonymous functions that are assigned to a variable which name starts with an uppercase, assuming that those functions are used as constructor functions.
+
+Set `"capIsConstructor"` to `false` if you want those functions to be treated as 'regular' functions.
+
+Examples of **incorrect** code for this rule with `"capIsConstructor"` option set to `false`:
+
+```js
+/*eslint no-invalid-this: ["error", { "capIsConstructor": false }]*/
+
+"use strict";
+
+function Foo() {
+    this.a = 0;
+}
+
+var bar = function Foo() {
+    this.a = 0;
+}
+
+var Bar = function() {
+    this.a = 0;
+};
+
+Baz = function() {
+    this.a = 0;
+};
+```
+
+Examples of **correct** code for this rule with `"capIsConstructor"` option set to `false`:
+
+```js
+/*eslint no-invalid-this: ["error", { "capIsConstructor": false }]*/
+
+"use strict";
+
+obj.Foo = function Foo() {
+    // OK, this is in a method.
+    this.a = 0;
+};
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of `this` keyword outside of classes or class-like objects, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-irregular-whitespace.md b/eslint/docs/rules/no-irregular-whitespace.md
new file mode 100644
index 0000000..a24de70
--- /dev/null
+++ b/eslint/docs/rules/no-irregular-whitespace.md
@@ -0,0 +1,172 @@
+# disallow irregular whitespace (no-irregular-whitespace)
+
+Invalid or irregular whitespace causes issues with ECMAScript 5 parsers and also makes code harder to debug in a similar nature to mixed tabs and spaces.
+
+Various whitespace characters can be inputted by programmers by mistake for example from copying or keyboard shortcuts. Pressing Alt + Space on macOS adds in a non breaking space character for example.
+
+A simple fix for this problem could be to rewrite the offending line from scratch. This might also be a problem introduced by the text editor: if rewriting the line does not fix it, try using a different editor.
+
+Known issues these spaces cause:
+
+* Zero Width Space
+    * Is NOT considered a separator for tokens and is often parsed as an `Unexpected token ILLEGAL`
+    * Is NOT shown in modern browsers making code repository software expected to resolve the visualization
+* Line Separator
+    * Is NOT a valid character within JSON which would cause parse errors
+
+## Rule Details
+
+This rule is aimed at catching invalid whitespace that is not a normal tab and space. Some of these characters may cause issues in modern browsers and others will be a debugging issue to spot.
+
+This rule disallows the following characters except where the options allow:
+
+    \u000B - Line Tabulation (\v) - <VT>
+    \u000C - Form Feed (\f) - <FF>
+    \u00A0 - No-Break Space - <NBSP>
+    \u0085 - Next Line
+    \u1680 - Ogham Space Mark
+    \u180E - Mongolian Vowel Separator - <MVS>
+    \ufeff - Zero Width No-Break Space - <BOM>
+    \u2000 - En Quad
+    \u2001 - Em Quad
+    \u2002 - En Space - <ENSP>
+    \u2003 - Em Space - <EMSP>
+    \u2004 - Tree-Per-Em
+    \u2005 - Four-Per-Em
+    \u2006 - Six-Per-Em
+    \u2007 - Figure Space
+    \u2008 - Punctuation Space - <PUNCSP>
+    \u2009 - Thin Space
+    \u200A - Hair Space
+    \u200B - Zero Width Space - <ZWSP>
+    \u2028 - Line Separator
+    \u2029 - Paragraph Separator
+    \u202F - Narrow No-Break Space
+    \u205f - Medium Mathematical Space
+    \u3000 - Ideographic Space
+
+## Options
+
+This rule has an object option for exceptions:
+
+* `"skipStrings": true` (default) allows any whitespace characters in string literals
+* `"skipComments": true` allows any whitespace characters in comments
+* `"skipRegExps": true` allows any whitespace characters in regular expression literals
+* `"skipTemplates": true` allows any whitespace characters in template literals
+
+### skipStrings
+
+Examples of **incorrect** code for this rule with the default `{ "skipStrings": true }` option:
+
+```js
+/*eslint no-irregular-whitespace: "error"*/
+
+function thing() /*<NBSP>*/{
+    return 'test';
+}
+
+function thing( /*<NBSP>*/){
+    return 'test';
+}
+
+function thing /*<NBSP>*/(){
+    return 'test';
+}
+
+function thing᠎/*<MVS>*/(){
+    return 'test';
+}
+
+function thing() {
+    return 'test'; /*<ENSP>*/
+}
+
+function thing() {
+    return 'test'; /*<NBSP>*/
+}
+
+function thing() {
+    // Description <NBSP>: some descriptive text
+}
+
+/*
+Description <NBSP>: some descriptive text
+*/
+
+function thing() {
+    return / <NBSP>regexp/;
+}
+
+/*eslint-env es6*/
+function thing() {
+    return `template <NBSP>string`;
+}
+```
+
+Examples of **correct** code for this rule with the default `{ "skipStrings": true }` option:
+
+```js
+/*eslint no-irregular-whitespace: "error"*/
+
+function thing() {
+    return ' <NBSP>thing';
+}
+
+function thing() {
+    return '​<ZWSP>thing';
+}
+
+function thing() {
+    return 'th <NBSP>ing';
+}
+```
+
+### skipComments
+
+Examples of additional **correct** code for this rule with the `{ "skipComments": true }` option:
+
+```js
+/*eslint no-irregular-whitespace: ["error", { "skipComments": true }]*/
+
+function thing() {
+    // Description <NBSP>: some descriptive text
+}
+
+/*
+Description <NBSP>: some descriptive text
+*/
+```
+
+### skipRegExps
+
+Examples of additional **correct** code for this rule with the `{ "skipRegExps": true }` option:
+
+```js
+/*eslint no-irregular-whitespace: ["error", { "skipRegExps": true }]*/
+
+function thing() {
+    return / <NBSP>regexp/;
+}
+```
+
+### skipTemplates
+
+Examples of additional **correct** code for this rule with the `{ "skipTemplates": true }` option:
+
+```js
+/*eslint no-irregular-whitespace: ["error", { "skipTemplates": true }]*/
+/*eslint-env es6*/
+
+function thing() {
+    return `template <NBSP>string`;
+}
+```
+
+## When Not To Use It
+
+If you decide that you wish to use whitespace other than tabs and spaces outside of strings in your application.
+
+## Further Reading
+
+* [ECMA whitespace](https://es5.github.io/#x7.2)
+* [JSON whitespace issues](http://timelessrepo.com/json-isnt-a-javascript-subset)
diff --git a/eslint/docs/rules/no-iterator.md b/eslint/docs/rules/no-iterator.md
new file mode 100644
index 0000000..95b42a9
--- /dev/null
+++ b/eslint/docs/rules/no-iterator.md
@@ -0,0 +1,44 @@
+# Disallow Iterator (no-iterator)
+
+The `__iterator__` property was a SpiderMonkey extension to JavaScript that could be used to create custom iterators that are compatible with JavaScript's `for in` and `for each` constructs. However, this property is now obsolete, so it should not be used. Here's an example of how this used to work:
+
+```js
+Foo.prototype.__iterator__ = function() {
+    return new FooIterator(this);
+}
+```
+
+You should use ECMAScript 6 iterators and generators instead.
+
+## Rule Details
+
+This rule is aimed at preventing errors that may arise from using the `__iterator__` property, which is not implemented in several browsers. As such, it will warn whenever it encounters the `__iterator__` property.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-iterator: "error"*/
+
+Foo.prototype.__iterator__ = function() {
+    return new FooIterator(this);
+};
+
+foo.__iterator__ = function () {};
+
+foo["__iterator__"] = function () {};
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-iterator: "error"*/
+
+var __iterator__ = foo; // Not using the `__iterator__` property.
+```
+
+## Further Reading
+
+* [MDN - Iterators and Generators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators)
+* [ECMAScript 6 compatibility table - Iterators](https://kangax.github.io/es5-compat-table/es6/#Iterators)
+* [Deprecated and Obsolete Features](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Deprecated_and_obsolete_features#Object_methods)
diff --git a/eslint/docs/rules/no-label-var.md b/eslint/docs/rules/no-label-var.md
new file mode 100644
index 0000000..9541dea
--- /dev/null
+++ b/eslint/docs/rules/no-label-var.md
@@ -0,0 +1,48 @@
+# Disallow Labels That Are Variables Names (no-label-var)
+
+## Rule Details
+
+This rule aims to create clearer code by disallowing the bad practice of creating a label that shares a name with a variable that is in scope.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-label-var: "error"*/
+
+var x = foo;
+function bar() {
+x:
+  for (;;) {
+    break x;
+  }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-label-var: "error"*/
+
+// The variable that has the same name as the label is not in scope.
+
+function foo() {
+  var q = t;
+}
+
+function bar() {
+q:
+  for(;;) {
+    break q;
+  }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of labels, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-extra-label](./no-extra-label.md)
+* [no-labels](./no-labels.md)
+* [no-unused-labels](./no-unused-labels.md)
diff --git a/eslint/docs/rules/no-labels.md b/eslint/docs/rules/no-labels.md
new file mode 100644
index 0000000..ea46ef0
--- /dev/null
+++ b/eslint/docs/rules/no-labels.md
@@ -0,0 +1,123 @@
+# Disallow Labeled Statements (no-labels)
+
+Labeled statements in JavaScript are used in conjunction with `break` and `continue` to control flow around multiple loops. For example:
+
+```js
+outer:
+    while (true) {
+
+        while (true) {
+            break outer;
+        }
+    }
+```
+
+The `break outer` statement ensures that this code will not result in an infinite loop because control is returned to the next statement after the `outer` label was applied. If this statement was changed to be just `break`, control would flow back to the outer `while` statement and an infinite loop would result.
+
+While convenient in some cases, labels tend to be used only rarely and are frowned upon by some as a remedial form of flow control that is more error prone and harder to understand.
+
+## Rule Details
+
+This rule aims to eliminate the use of labeled statements in JavaScript. It will warn whenever a labeled statement is encountered and whenever `break` or `continue` are used with a label.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-labels: "error"*/
+
+label:
+    while(true) {
+        // ...
+    }
+
+label:
+    while(true) {
+        break label;
+    }
+
+label:
+    while(true) {
+        continue label;
+    }
+
+label:
+    switch (a) {
+    case 0:
+        break label;
+    }
+
+label:
+    {
+        break label;
+    }
+
+label:
+    if (a) {
+        break label;
+    }
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-labels: "error"*/
+
+var f = {
+    label: "foo"
+};
+
+while (true) {
+    break;
+}
+
+while (true) {
+    continue;
+}
+```
+
+## Options
+
+The options allow labels with loop or switch statements:
+
+* `"allowLoop"` (`boolean`, default is `false`) - If this option was set `true`, this rule ignores labels which are sticking to loop statements.
+* `"allowSwitch"` (`boolean`, default is `false`) - If this option was set `true`, this rule ignores labels which are sticking to switch statements.
+
+Actually labeled statements in JavaScript can be used with other than loop and switch statements.
+However, this way is ultra rare, not well-known, so this would be confusing developers.
+
+### allowLoop
+
+Examples of **correct** code for the `{ "allowLoop": true }` option:
+
+```js
+/*eslint no-labels: ["error", { "allowLoop": true }]*/
+
+label:
+    while (true) {
+        break label;
+    }
+```
+
+### allowSwitch
+
+Examples of **correct** code for the `{ "allowSwitch": true }` option:
+
+```js
+/*eslint no-labels: ["error", { "allowSwitch": true }]*/
+
+label:
+    switch (a) {
+        case 0:
+            break label;
+    }
+```
+
+## When Not To Use It
+
+If you need to use labeled statements everywhere, then you can safely disable this rule.
+
+## Related Rules
+
+* [no-extra-label](./no-extra-label.md)
+* [no-label-var](./no-label-var.md)
+* [no-unused-labels](./no-unused-labels.md)
diff --git a/eslint/docs/rules/no-lone-blocks.md b/eslint/docs/rules/no-lone-blocks.md
new file mode 100644
index 0000000..8cb45d6
--- /dev/null
+++ b/eslint/docs/rules/no-lone-blocks.md
@@ -0,0 +1,94 @@
+# Disallow Unnecessary Nested Blocks (no-lone-blocks)
+
+In JavaScript, prior to ES6, standalone code blocks delimited by curly braces do not create a new scope and have no use. For example, these curly braces do nothing to `foo`:
+
+```js
+{
+    var foo = bar();
+}
+```
+
+In ES6, code blocks may create a new scope if a block-level binding (`let` and `const`), a class declaration or a function declaration (in strict mode) are present. A block is not considered redundant in these cases.
+
+## Rule Details
+
+This rule aims to eliminate unnecessary and potentially confusing blocks at the top level of a script or within other blocks.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-lone-blocks: "error"*/
+
+{}
+
+if (foo) {
+    bar();
+    {
+        baz();
+    }
+}
+
+function bar() {
+    {
+        baz();
+    }
+}
+
+{
+    function foo() {}
+}
+
+{
+    aLabel: {
+    }
+}
+```
+
+Examples of **correct** code for this rule with ES6 environment:
+
+```js
+/*eslint no-lone-blocks: "error"*/
+/*eslint-env es6*/
+
+while (foo) {
+    bar();
+}
+
+if (foo) {
+    if (bar) {
+        baz();
+    }
+}
+
+function bar() {
+    baz();
+}
+
+{
+    let x = 1;
+}
+
+{
+    const y = 1;
+}
+
+{
+    class Foo {}
+}
+
+aLabel: {
+}
+```
+
+Examples of **correct** code for this rule with ES6 environment and strict mode via `"parserOptions": { "sourceType": "module" }` in the ESLint configuration or `"use strict"` directive in the code:
+
+```js
+/*eslint no-lone-blocks: "error"*/
+/*eslint-env es6*/
+
+"use strict";
+
+{
+    function foo() {}
+}
+```
diff --git a/eslint/docs/rules/no-lonely-if.md b/eslint/docs/rules/no-lonely-if.md
new file mode 100644
index 0000000..4dab7ef
--- /dev/null
+++ b/eslint/docs/rules/no-lonely-if.md
@@ -0,0 +1,84 @@
+# disallow `if` statements as the only statement in `else` blocks (no-lonely-if)
+
+If an `if` statement is the only statement in the `else` block, it is often clearer to use an `else if` form.
+
+```js
+if (foo) {
+    // ...
+} else {
+    if (bar) {
+        // ...
+    }
+}
+```
+
+should be rewritten as
+
+```js
+if (foo) {
+    // ...
+} else if (bar) {
+    // ...
+}
+```
+
+## Rule Details
+
+This rule disallows `if` statements as the only statement in `else` blocks.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-lonely-if: "error"*/
+
+if (condition) {
+    // ...
+} else {
+    if (anotherCondition) {
+        // ...
+    }
+}
+
+if (condition) {
+    // ...
+} else {
+    if (anotherCondition) {
+        // ...
+    } else {
+        // ...
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-lonely-if: "error"*/
+
+if (condition) {
+    // ...
+} else if (anotherCondition) {
+    // ...
+}
+
+if (condition) {
+    // ...
+} else if (anotherCondition) {
+    // ...
+} else {
+    // ...
+}
+
+if (condition) {
+    // ...
+} else {
+    if (anotherCondition) {
+        // ...
+    }
+    doSomething();
+}
+```
+
+## When Not To Use It
+
+Disable this rule if the code is clearer without requiring the `else if` form.
diff --git a/eslint/docs/rules/no-loop-func.md b/eslint/docs/rules/no-loop-func.md
new file mode 100644
index 0000000..65c7532
--- /dev/null
+++ b/eslint/docs/rules/no-loop-func.md
@@ -0,0 +1,98 @@
+# Disallow Functions in Loops (no-loop-func)
+
+Writing functions within loops tends to result in errors due to the way the function creates a closure around the loop. For example:
+
+```js
+for (var i = 0; i < 10; i++) {
+    funcs[i] = function() {
+        return i;
+    };
+}
+```
+
+In this case, you would expect each function created within the loop to return a different number. In reality, each function returns 10, because that was the last value of `i` in the scope.
+
+`let` or `const` mitigate this problem.
+
+```js
+/*eslint-env es6*/
+
+for (let i = 0; i < 10; i++) {
+    funcs[i] = function() {
+        return i;
+    };
+}
+```
+
+In this case, each function created within the loop returns a different number as expected.
+
+
+## Rule Details
+
+This error is raised to highlight a piece of code that may not work as you expect it to and could also indicate a misunderstanding of how the language works. Your code may run without any problems if you do not fix this error, but in some situations it could behave unexpectedly.
+
+This rule disallows any function within a loop that contains unsafe references (e.g. to modified variables from the outer scope).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-loop-func: "error"*/
+/*eslint-env es6*/
+
+for (var i=10; i; i--) {
+    (function() { return i; })();
+}
+
+while(i) {
+    var a = function() { return i; };
+    a();
+}
+
+do {
+    function a() { return i; };
+    a();
+} while (i);
+
+let foo = 0;
+for (let i = 0; i < 10; ++i) {
+    //Bad, `foo` is not in the loop-block's scope and `foo` is modified in/after the loop
+    setTimeout(() => console.log(foo));
+    foo += 1;
+}
+
+for (let i = 0; i < 10; ++i) {
+    //Bad, `foo` is not in the loop-block's scope and `foo` is modified in/after the loop
+    setTimeout(() => console.log(foo));
+}
+foo = 100;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-loop-func: "error"*/
+/*eslint-env es6*/
+
+var a = function() {};
+
+for (var i=10; i; i--) {
+    a();
+}
+
+for (var i=10; i; i--) {
+    var a = function() {}; // OK, no references to variables in the outer scopes.
+    a();
+}
+
+for (let i=10; i; i--) {
+    var a = function() { return i; }; // OK, all references are referring to block scoped variables in the loop.
+    a();
+}
+
+var foo = 100;
+for (let i=10; i; i--) {
+    var a = function() { return foo; }; // OK, all references are referring to never modified variables.
+    a();
+}
+//... no modifications of foo after this loop ...
+```
diff --git a/eslint/docs/rules/no-magic-numbers.md b/eslint/docs/rules/no-magic-numbers.md
new file mode 100644
index 0000000..ee6d3de
--- /dev/null
+++ b/eslint/docs/rules/no-magic-numbers.md
@@ -0,0 +1,176 @@
+# Disallow Magic Numbers (no-magic-numbers)
+
+'Magic numbers' are numbers that occur multiple times in code without an explicit meaning.
+They should preferably be replaced by named constants.
+
+```js
+var now = Date.now(),
+    inOneHour = now + (60 * 60 * 1000);
+```
+
+## Rule Details
+
+The `no-magic-numbers` rule aims to make code more readable and refactoring easier by ensuring that special numbers
+are declared as constants to make their meaning explicit.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-magic-numbers: "error"*/
+
+var dutyFreePrice = 100,
+    finalPrice = dutyFreePrice + (dutyFreePrice * 0.25);
+```
+
+```js
+/*eslint no-magic-numbers: "error"*/
+
+var data = ['foo', 'bar', 'baz'];
+
+var dataLast = data[2];
+```
+
+```js
+/*eslint no-magic-numbers: "error"*/
+
+var SECONDS;
+
+SECONDS = 60;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-magic-numbers: "error"*/
+
+var TAX = 0.25;
+
+var dutyFreePrice = 100,
+    finalPrice = dutyFreePrice + (dutyFreePrice * TAX);
+```
+
+## Options
+
+### ignore
+
+An array of numbers to ignore. It's set to `[]` by default.
+If provided, it must be an `Array`.
+
+The array can contain values of `number` and `string` types.
+If it's a string, the text must be parsed as `bigint` literal (e.g., `"100n"`).
+
+Examples of **correct** code for the sample `{ "ignore": [1] }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "ignore": [1] }]*/
+
+var data = ['foo', 'bar', 'baz'];
+var dataLast = data.length && data[data.length - 1];
+```
+
+Examples of **correct** code for the sample `{ "ignore": ["1n"] }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "ignore": ["1n"] }]*/
+
+foo(1n);
+```
+
+### ignoreArrayIndexes
+
+A boolean to specify if numbers used in the context of array indexes (e.g., `data[2]`) are considered okay. `false` by default.
+
+This option allows only valid array indexes: numbers that will be coerced to one of `"0"`, `"1"`, `"2"` ... `"4294967294"`.
+
+Arrays are objects, so they can have property names such as `"-1"` or `"2.5"`. However, those are just "normal" object properties that don't represent array elements. They don't influence the array's `length`, and they are ignored by array methods like `.map` or `.forEach`.
+
+Additionally, since the maximum [array length](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length) is 2<sup>32</sup> - 1, all values above 2<sup>32</sup> - 2 also represent just normal property names and are thus not considered to be array indexes.
+
+Examples of **correct** code for the `{ "ignoreArrayIndexes": true }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "ignoreArrayIndexes": true }]*/
+
+var item = data[2];
+
+data[100] = a;
+
+f(data[0]);
+
+a = data[-0]; // same as data[0], -0 will be coerced to "0"
+
+a = data[0xAB];
+
+a = data[5.6e1];
+
+a = data[10n]; // same as data[10], 10n will be coerced to "10"
+
+a = data[4294967294]; // max array index
+```
+
+Examples of **incorrect** code for the `{ "ignoreArrayIndexes": true }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "ignoreArrayIndexes": true }]*/
+
+f(2); // not used as array index
+
+a = data[-1];
+
+a = data[2.5];
+
+a = data[5.67e1];
+
+a = data[-10n];
+
+a = data[4294967295]; // above the max array index
+
+a = data[1e500]; // same as data["Infinity"]
+```
+
+### enforceConst
+
+A boolean to specify if we should check for the const keyword in variable declaration of numbers. `false` by default.
+
+Examples of **incorrect** code for the `{ "enforceConst": true }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "enforceConst": true }]*/
+
+var TAX = 0.25;
+
+var dutyFreePrice = 100,
+    finalPrice = dutyFreePrice + (dutyFreePrice * TAX);
+```
+
+### detectObjects
+
+A boolean to specify if we should detect numbers when setting object properties for example. `false` by default.
+
+Examples of **incorrect** code for the `{ "detectObjects": true }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "detectObjects": true }]*/
+
+var magic = {
+  tax: 0.25
+};
+
+var dutyFreePrice = 100,
+    finalPrice = dutyFreePrice + (dutyFreePrice * magic.tax);
+```
+
+Examples of **correct** code for the `{ "detectObjects": true }` option:
+
+```js
+/*eslint no-magic-numbers: ["error", { "detectObjects": true }]*/
+
+var TAX = 0.25;
+
+var magic = {
+  tax: TAX
+};
+
+var dutyFreePrice = 100,
+    finalPrice = dutyFreePrice + (dutyFreePrice * magic.tax);
+```
diff --git a/eslint/docs/rules/no-misleading-character-class.md b/eslint/docs/rules/no-misleading-character-class.md
new file mode 100644
index 0000000..f6ef2fb
--- /dev/null
+++ b/eslint/docs/rules/no-misleading-character-class.md
@@ -0,0 +1,73 @@
+# Disallow characters which are made with multiple code points in character class syntax (no-misleading-character-class)
+
+Unicode includes the characters which are made with multiple code points.
+RegExp character class syntax (`/[abc]/`) cannot handle characters which are made by multiple code points as a character; those characters will be dissolved to each code point. For example, `❇️` is made by `❇` (`U+2747`) and VARIATION SELECTOR-16 (`U+FE0F`). If this character is in RegExp character class, it will match to either `❇` (`U+2747`) or VARIATION SELECTOR-16 (`U+FE0F`) rather than `❇️`.
+
+This rule reports the regular expressions which include multiple code point characters in character class syntax. This rule considers the following characters as multiple code point characters.
+
+**A character with combining characters:**
+
+The combining characters are characters which belong to one of `Mc`, `Me`, and `Mn` [Unicode general categories](http://www.unicode.org/L2/L1999/UnicodeData.html#General%20Category).
+
+```js
+/^[Á]$/u.test("Á") //→ false
+/^[❇️]$/u.test("❇️") //→ false
+```
+
+**A character with Emoji modifiers:**
+
+```js
+/^[👶🏻]$/u.test("👶🏻") //→ false
+/^[👶🏽]$/u.test("👶🏽") //→ false
+```
+
+**A pair of regional indicator symbols:**
+
+```js
+/^[🇯🇵]$/u.test("🇯🇵") //→ false
+```
+
+**Characters that ZWJ joins:**
+
+```js
+/^[👨‍👩‍👦]$/u.test("👨‍👩‍👦") //→ false
+```
+
+**A surrogate pair without Unicode flag:**
+
+```js
+/^[👍]$/.test("👍") //→ false
+
+// Surrogate pair is OK if with u flag.
+/^[👍]$/u.test("👍") //→ true
+```
+
+## Rule Details
+
+This rule reports the regular expressions which include multiple code point characters in character class syntax.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-misleading-character-class: error */
+
+/^[Á]$/u
+/^[❇️]$/u
+/^[👶🏻]$/u
+/^[🇯🇵]$/u
+/^[👨‍👩‍👦]$/u
+/^[👍]$/
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-misleading-character-class: error */
+
+/^[abc]$/
+/^[👍]$/u
+```
+
+## When Not To Use It
+
+You can turn this rule off if you don't want to check RegExp character class syntax for multiple code point characters.
diff --git a/eslint/docs/rules/no-mixed-operators.md b/eslint/docs/rules/no-mixed-operators.md
new file mode 100644
index 0000000..3206d18
--- /dev/null
+++ b/eslint/docs/rules/no-mixed-operators.md
@@ -0,0 +1,184 @@
+# Disallow mixes of different operators (no-mixed-operators)
+
+Enclosing complex expressions by parentheses clarifies the developer's intention, which makes the code more readable.
+This rule warns when different operators are used consecutively without parentheses in an expression.
+
+```js
+var foo = a && b || c || d;    /*BAD: Unexpected mix of '&&' and '||'.*/
+var foo = a && b ? c : d;      /*BAD: Unexpected mix of '&&' and '?:'.*/
+var foo = (a && b) ? c : d;    /*GOOD*/
+var foo = (a && b) || c || d;  /*GOOD*/
+var foo = a && (b || c || d);  /*GOOD*/
+```
+
+**Note:**
+It is expected for this rule to emit one error for each mixed operator in a pair. As a result, for each two consecutive mixed operators used, a distinct error will be displayed, pointing to where the specific operator that breaks the rule is used:
+
+```js
+var foo = a && b || c || d;
+```
+
+will generate
+
+```sh
+1:13  Unexpected mix of '&&' and '||'. (no-mixed-operators)
+1:18  Unexpected mix of '&&' and '||'. (no-mixed-operators)
+```
+
+```js
+var foo = a && b ? c : d;
+```
+
+will generate
+
+```sh
+1:13  Unexpected mix of '&&' and '?:'. (no-mixed-operators)
+1:18  Unexpected mix of '&&' and '?:'. (no-mixed-operators)
+```
+
+
+## Rule Details
+
+This rule checks `BinaryExpression`, `LogicalExpression` and `ConditionalExpression`.
+
+This rule may conflict with [no-extra-parens](no-extra-parens.md) rule.
+If you use both this and [no-extra-parens](no-extra-parens.md) rule together, you need to use the `nestedBinaryExpressions` option of [no-extra-parens](no-extra-parens.md) rule.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-mixed-operators: "error"*/
+
+var foo = a && b < 0 || c > 0 || d + 1 === 0;
+var foo = a + b * c;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-mixed-operators: "error"*/
+
+var foo = a || b || c;
+var foo = a && b && c;
+var foo = (a && b < 0) || c > 0 || d + 1 === 0;
+var foo = a && (b < 0 || c > 0 || d + 1 === 0);
+var foo = a + (b * c);
+var foo = (a + b) * c;
+```
+
+## Options
+
+```json
+{
+    "no-mixed-operators": [
+        "error",
+        {
+            "groups": [
+                ["+", "-", "*", "/", "%", "**"],
+                ["&", "|", "^", "~", "<<", ">>", ">>>"],
+                ["==", "!=", "===", "!==", ">", ">=", "<", "<="],
+                ["&&", "||"],
+                ["in", "instanceof"]
+            ],
+            "allowSamePrecedence": true
+        }
+    ]
+}
+```
+
+This rule has 2 options.
+
+* `groups` (`string[][]`) - specifies operator groups to be checked. The `groups` option is a list of groups, and a group is a list of binary operators. Default operator groups are defined as arithmetic, bitwise, comparison, logical, and relational operators. Note: Ternary operator(?:) can be part of any group and by default is allowed to be mixed with other operators.
+
+* `allowSamePrecedence` (`boolean`) - specifies whether to allow mixed operators if they are of equal precedence. Default is `true`.
+
+### groups
+
+The following operators can be used in `groups` option:
+
+* Arithmetic Operators: `"+"`, `"-"`, `"*"`, `"/"`, `"%"`, `"**"`
+* Bitwise Operators: `"&"`, `"|"`, `"^"`, `"~"`, `"<<"`, `">>"`, `">>>"`
+* Comparison Operators: `"=="`, `"!="`, `"==="`, `"!=="`, `">"`, `">="`, `"<"`, `"<="`
+* Logical Operators: `"&&"`, `"||"`
+* Relational Operators: `"in"`, `"instanceof"`
+* Ternary Operator: `?:`
+
+Now, consider the following group configuration: `{"groups": [["&", "|", "^", "~", "<<", ">>", ">>>"], ["&&", "||"]]}`.
+There are 2 groups specified in this configuration: bitwise operators and logical operators.
+This rule checks if the operators belong to the same group only.
+In this case, this rule checks if bitwise operators and logical operators are mixed, but ignores all other operators.
+
+Examples of **incorrect** code for this rule with `{"groups": [["&", "|", "^", "~", "<<", ">>", ">>>"], ["&&", "||"]]}` option:
+
+```js
+/*eslint no-mixed-operators: ["error", {"groups": [["&", "|", "^", "~", "<<", ">>", ">>>"], ["&&", "||"]]}]*/
+
+var foo = a && b < 0 || c > 0 || d + 1 === 0;
+var foo = a & b | c;
+```
+
+```js
+/*eslint no-mixed-operators: ["error", {"groups": [["&&", "||", "?:"]]}]*/
+
+var foo = a || b ? c : d;
+```
+
+Examples of **correct** code for this rule with `{"groups": [["&", "|", "^", "~", "<<", ">>", ">>>"], ["&&", "||"]]}` option:
+
+```js
+/*eslint no-mixed-operators: ["error", {"groups": [["&", "|", "^", "~", "<<", ">>", ">>>"], ["&&", "||"]]}]*/
+
+var foo = a || b > 0 || c + 1 === 0;
+var foo = a && b > 0 && c + 1 === 0;
+var foo = (a && b < 0) || c > 0 || d + 1 === 0;
+var foo = a && (b < 0 ||  c > 0 || d + 1 === 0);
+var foo = (a & b) | c;
+var foo = a & (b | c);
+var foo = a + b * c;
+var foo = a + (b * c);
+var foo = (a + b) * c;
+```
+
+```js
+/*eslint no-mixed-operators: ["error", {"groups": [["&&", "||", "?:"]]}]*/
+
+var foo = (a || b) ? c : d;
+var foo = a || (b ? c : d);
+```
+
+### allowSamePrecedence
+
+Examples of **correct** code for this rule with `{"allowSamePrecedence": true}` option:
+
+```js
+/*eslint no-mixed-operators: ["error", {"allowSamePrecedence": true}]*/
+
+// + and - have the same precedence.
+var foo = a + b - c;
+```
+
+Examples of **incorrect** code for this rule with `{"allowSamePrecedence": false}` option:
+
+```js
+/*eslint no-mixed-operators: ["error", {"allowSamePrecedence": false}]*/
+
+// + and - have the same precedence.
+var foo = a + b - c;
+```
+
+Examples of **correct** code for this rule with `{"allowSamePrecedence": false}` option:
+
+```js
+/*eslint no-mixed-operators: ["error", {"allowSamePrecedence": false}]*/
+
+// + and - have the same precedence.
+var foo = (a + b) - c;
+```
+
+## When Not To Use It
+
+If you don't want to be notified about mixed operators, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-extra-parens](no-extra-parens.md)
diff --git a/eslint/docs/rules/no-mixed-requires.md b/eslint/docs/rules/no-mixed-requires.md
new file mode 100644
index 0000000..ee63c99
--- /dev/null
+++ b/eslint/docs/rules/no-mixed-requires.md
@@ -0,0 +1,124 @@
+# disallow `require` calls to be mixed with regular variable declarations (no-mixed-requires)
+
+In the Node.js community it is often customary to separate initializations with calls to `require` modules from other variable declarations, sometimes also grouping them by the type of module. This rule helps you enforce this convention.
+
+## Rule Details
+
+When this rule is enabled, each `var` statement must satisfy the following conditions:
+
+* either none or all variable declarations must be require declarations (default)
+* all require declarations must be of the same type (grouping)
+
+This rule distinguishes between six kinds of variable declaration types:
+
+* `core`: declaration of a required [core module][1]
+* `file`: declaration of a required [file module][2]
+* `module`: declaration of a required module from the [node_modules folder][3]
+* `computed`: declaration of a required module whose type could not be determined (either because it is computed or because require was called without an argument)
+* `uninitialized`: a declaration that is not initialized
+* `other`: any other kind of declaration
+
+In this document, the first four types are summed up under the term *require declaration*.
+
+```js
+var fs = require('fs'),        // "core"     \
+    async = require('async'),  // "module"   |- these are "require declaration"s
+    foo = require('./foo'),    // "file"     |
+    bar = require(getName()),  // "computed" /
+    baz = 42,                  // "other"
+    bam;                       // "uninitialized"
+```
+
+## Options
+
+This rule can have an object literal option whose two properties have `false` values by default.
+
+Configuring this rule with one boolean option `true` is deprecated.
+
+Examples of **incorrect** code for this rule with the default `{ "grouping": false, "allowCall": false }` options:
+
+```js
+/*eslint no-mixed-requires: "error"*/
+
+var fs = require('fs'),
+    i = 0;
+
+var async = require('async'),
+    debug = require('diagnostics').someFunction('my-module'),
+    eslint = require('eslint');
+```
+
+Examples of **correct** code for this rule with the default `{ "grouping": false, "allowCall": false }` options:
+
+```js
+/*eslint no-mixed-requires: "error"*/
+
+// only require declarations (grouping off)
+var eventEmitter = require('events').EventEmitter,
+    myUtils = require('./utils'),
+    util = require('util'),
+    bar = require(getBarModuleName());
+
+// only non-require declarations
+var foo = 42,
+    bar = 'baz';
+
+// always valid regardless of grouping because all declarations are of the same type
+var foo = require('foo' + VERSION),
+    bar = require(getBarModuleName()),
+    baz = require();
+```
+
+### grouping
+
+Examples of **incorrect** code for this rule with the `{ "grouping": true }` option:
+
+```js
+/*eslint no-mixed-requires: ["error", { "grouping": true }]*/
+
+// invalid because of mixed types "core" and "module"
+var fs = require('fs'),
+    async = require('async');
+
+// invalid because of mixed types "file" and "unknown"
+var foo = require('foo'),
+    bar = require(getBarModuleName());
+```
+
+### allowCall
+
+Examples of **incorrect** code for this rule with the `{ "allowCall": true }` option:
+
+```js
+/*eslint no-mixed-requires: ["error", { "allowCall": true }]*/
+
+var async = require('async'),
+    debug = require('diagnostics').someFunction('my-module'), /* allowCall doesn't allow calling any function */
+    eslint = require('eslint');
+```
+
+Examples of **correct** code for this rule with the `{ "allowCall": true }` option:
+
+```js
+/*eslint no-mixed-requires: ["error", { "allowCall": true }]*/
+
+var async = require('async'),
+    debug = require('diagnostics')('my-module'),
+    eslint = require('eslint');
+```
+
+## Known Limitations
+
+* The implementation is not aware of any local functions with the name `require` that may shadow Node.js' global `require`.
+
+* Internally, the list of core modules is retrieved via `require("repl")._builtinLibs`. If you use different versions of Node.js for ESLint and your application, the list of core modules for each version may be different.
+  The above mentioned `_builtinLibs` property became available in 0.8, for earlier versions a hardcoded list of module names is used as a fallback. If your version of Node.js is older than 0.6 that list may be inaccurate.
+
+## When Not To Use It
+
+If you use a pattern such as [UMD][4] where the `require`d modules are not loaded in variable declarations, this rule will obviously do nothing for you.
+
+[1]: https://nodejs.org/api/modules.html#modules_core_modules
+[2]: https://nodejs.org/api/modules.html#modules_file_modules
+[3]: https://nodejs.org/api/modules.html#modules_loading_from_node_modules_folders
+[4]: https://github.com/umdjs/umd
diff --git a/eslint/docs/rules/no-mixed-spaces-and-tabs.md b/eslint/docs/rules/no-mixed-spaces-and-tabs.md
new file mode 100644
index 0000000..ba34dbe
--- /dev/null
+++ b/eslint/docs/rules/no-mixed-spaces-and-tabs.md
@@ -0,0 +1,65 @@
+# disallow mixed spaces and tabs for indentation (no-mixed-spaces-and-tabs)
+
+Most code conventions require either tabs or spaces be used for indentation. As such, it's usually an error if a single line of code is indented with both tabs and spaces.
+
+## Rule Details
+
+This rule disallows mixed spaces and tabs for indentation.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-mixed-spaces-and-tabs: "error"*/
+
+function add(x, y) {
+// --->..return x + y;
+
+      return x + y;
+}
+
+function main() {
+// --->var x = 5,
+// --->....y = 7;
+
+    var x = 5,
+        y = 7;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-mixed-spaces-and-tabs: "error"*/
+
+function add(x, y) {
+// --->return x + y;
+    return x + y;
+}
+```
+
+## Options
+
+This rule has a string option.
+
+* `"smart-tabs"` allows mixed tabs and spaces when the spaces are used for alignment.
+
+### smart-tabs
+
+Examples of **correct** code for this rule with the `"smart-tabs"` option:
+
+```js
+/*eslint no-mixed-spaces-and-tabs: ["error", "smart-tabs"]*/
+
+function main() {
+// --->var x = 5,
+// --->....y = 7;
+
+    var x = 5,
+        y = 7;
+}
+```
+
+
+## Further Reading
+
+* [Smart Tabs](https://www.emacswiki.org/emacs/SmartTabs)
diff --git a/eslint/docs/rules/no-multi-assign.md b/eslint/docs/rules/no-multi-assign.md
new file mode 100644
index 0000000..41bba9a
--- /dev/null
+++ b/eslint/docs/rules/no-multi-assign.md
@@ -0,0 +1,48 @@
+# Disallow Use of Chained Assignment Expressions (no-multi-assign)
+
+Chaining the assignment of variables can lead to unexpected results and be difficult to read.
+
+```js
+(function() {
+    const foo = bar = 0; // Did you mean `foo = bar == 0`?
+    bar = 1;             // This will not fail since `bar` is not constant.
+})();
+console.log(bar);        // This will output 1 since `bar` is not scoped.
+```
+
+## Rule Details
+
+This rule disallows using multiple assignments within a single statement.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-multi-assign: "error"*/
+
+var a = b = c = 5;
+
+const foo = bar = "baz";
+
+let a =
+    b =
+    c;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-multi-assign: "error"*/
+var a = 5;
+var b = 5;
+var c = 5;
+
+const foo = "baz";
+const bar = "baz";
+
+let a = c;
+let b = c;
+```
+
+## Related Rules
+
+* [max-statements-per-line](max-statements-per-line.md)
diff --git a/eslint/docs/rules/no-multi-spaces.md b/eslint/docs/rules/no-multi-spaces.md
new file mode 100644
index 0000000..c4b12e9
--- /dev/null
+++ b/eslint/docs/rules/no-multi-spaces.md
@@ -0,0 +1,171 @@
+# Disallow multiple spaces (no-multi-spaces)
+
+Multiple spaces in a row that are not used for indentation are typically mistakes. For example:
+
+```js
+
+if(foo  === "bar") {}
+
+```
+
+It's hard to tell, but there are two spaces between `foo` and `===`. Multiple spaces such as this are generally frowned upon in favor of single spaces:
+
+```js
+
+if(foo === "bar") {}
+
+```
+
+## Rule Details
+
+This rule aims to disallow multiple whitespace around logical expressions, conditional expressions, declarations, array elements, object properties, sequences and function parameters.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-multi-spaces: "error"*/
+
+var a =  1;
+
+if(foo   === "bar") {}
+
+a <<  b
+
+var arr = [1,  2];
+
+a ?  b: c
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-multi-spaces: "error"*/
+
+var a = 1;
+
+if(foo === "bar") {}
+
+a << b
+
+var arr = [1, 2];
+
+a ? b: c
+```
+
+## Options
+
+This rule's configuration consists of an object with the following properties:
+
+* `"ignoreEOLComments": true` (defaults to `false`) ignores multiple spaces before comments that occur at the end of lines
+* `"exceptions": { "Property": true }` (`"Property"` is the only node specified by default) specifies nodes to ignore
+
+### ignoreEOLComments
+
+Examples of **incorrect** code for this rule with the `{ "ignoreEOLComments": false }` (default) option:
+
+```js
+/*eslint no-multi-spaces: ["error", { ignoreEOLComments: false }]*/
+
+var x = 5;      // comment
+var x = 5;      /* multiline
+ * comment
+ */
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreEOLComments": false }` (default) option:
+
+```js
+/*eslint no-multi-spaces: ["error", { ignoreEOLComments: false }]*/
+
+var x = 5; // comment
+var x = 5; /* multiline
+ * comment
+ */
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreEOLComments": true }` option:
+
+```js
+/*eslint no-multi-spaces: ["error", { ignoreEOLComments: true }]*/
+
+var x = 5; // comment
+var x = 5;      // comment
+var x = 5; /* multiline
+ * comment
+ */
+var x = 5;      /* multiline
+ * comment
+ */
+```
+
+### exceptions
+
+To avoid contradictions with other rules that require multiple spaces, this rule has an `exceptions` option to ignore certain nodes.
+
+This option is an object that expects property names to be AST node types as defined by [ESTree](https://github.com/estree/estree). The easiest way to determine the node types for `exceptions` is to use [AST Explorer](https://astexplorer.net/) with the espree parser.
+
+Only the `Property` node type is ignored by default, because for the [key-spacing](key-spacing.md) rule some alignment options require multiple spaces in properties of object literals.
+
+Examples of **correct** code for the default `"exceptions": { "Property": true }` option:
+
+```js
+/*eslint no-multi-spaces: "error"*/
+/*eslint key-spacing: ["error", { align: "value" }]*/
+
+var obj = {
+    first:  "first",
+    second: "second"
+};
+```
+
+Examples of **incorrect** code for the `"exceptions": { "Property": false }` option:
+
+```js
+/*eslint no-multi-spaces: ["error", { exceptions: { "Property": false } }]*/
+/*eslint key-spacing: ["error", { align: "value" }]*/
+
+var obj = {
+    first:  "first",
+    second: "second"
+};
+```
+
+Examples of **correct** code for the `"exceptions": { "BinaryExpression": true }` option:
+
+```js
+/*eslint no-multi-spaces: ["error", { exceptions: { "BinaryExpression": true } }]*/
+
+var a = 1  *  2;
+```
+
+Examples of **correct** code for the `"exceptions": { "VariableDeclarator": true }` option:
+
+```js
+/*eslint no-multi-spaces: ["error", { exceptions: { "VariableDeclarator": true } }]*/
+
+var someVar      = 'foo';
+var someOtherVar = 'barBaz';
+```
+
+Examples of **correct** code for the `"exceptions": { "ImportDeclaration": true }` option:
+
+```js
+/*eslint no-multi-spaces: ["error", { exceptions: { "ImportDeclaration": true } }]*/
+
+import mod          from 'mod';
+import someOtherMod from 'some-other-mod';
+```
+
+## When Not To Use It
+
+If you don't want to check and disallow multiple spaces, then you should turn this rule off.
+
+## Related Rules
+
+* [key-spacing](key-spacing.md)
+* [space-infix-ops](space-infix-ops.md)
+* [space-in-brackets](space-in-brackets.md) (deprecated)
+* [space-in-parens](space-in-parens.md)
+* [space-after-keywords](space-after-keywords.md)
+* [space-unary-ops](space-unary-ops.md)
+* [space-return-throw-case](space-return-throw-case.md)
diff --git a/eslint/docs/rules/no-multi-str.md b/eslint/docs/rules/no-multi-str.md
new file mode 100644
index 0000000..81fc0af
--- /dev/null
+++ b/eslint/docs/rules/no-multi-str.md
@@ -0,0 +1,31 @@
+# Disallow Multiline Strings (no-multi-str)
+
+It's possible to create multiline strings in JavaScript by using a slash before a newline, such as:
+
+```js
+var x = "Line 1 \
+         Line 2";
+```
+
+Some consider this to be a bad practice as it was an undocumented feature of JavaScript that was only formalized later.
+
+## Rule Details
+
+This rule is aimed at preventing the use of multiline strings.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-multi-str: "error"*/
+var x = "Line 1 \
+         Line 2";
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-multi-str: "error"*/
+
+var x = "Line 1\n" +
+        "Line 2";
+```
diff --git a/eslint/docs/rules/no-multiple-empty-lines.md b/eslint/docs/rules/no-multiple-empty-lines.md
new file mode 100644
index 0000000..87b2425
--- /dev/null
+++ b/eslint/docs/rules/no-multiple-empty-lines.md
@@ -0,0 +1,96 @@
+# disallow multiple empty lines (no-multiple-empty-lines)
+
+Some developers prefer to have multiple blank lines removed, while others feel that it helps improve readability. Whitespace is useful for separating logical sections of code, but excess whitespace takes up more of the screen.
+
+## Rule Details
+
+This rule aims to reduce the scrolling required when reading through your code. It will warn when the maximum amount of empty lines has been exceeded.
+
+## Options
+
+This rule has an object option:
+
+* `"max"` (default: `2`) enforces a maximum number of consecutive empty lines.
+* `"maxEOF"` enforces a maximum number of consecutive empty lines at the end of files.
+* `"maxBOF"` enforces a maximum number of consecutive empty lines at the beginning of files.
+
+### max
+
+Examples of **incorrect** code for this rule with the default `{ "max": 2 }` option:
+
+```js
+/*eslint no-multiple-empty-lines: "error"*/
+
+var foo = 5;
+
+
+
+var bar = 3;
+```
+
+Examples of **correct** code for this rule with the default `{ "max": 2 }` option:
+
+```js
+/*eslint no-multiple-empty-lines: "error"*/
+
+var foo = 5;
+
+
+var bar = 3;
+```
+
+### maxEOF
+
+Examples of **incorrect** code for this rule with the `{ max: 2, maxEOF: 1 }` options:
+
+```js
+/*eslint no-multiple-empty-lines: ["error", { "max": 2, "maxEOF": 1 }]*/
+
+var foo = 5;
+
+
+var bar = 3;
+
+
+```
+
+Examples of **correct** code for this rule with the `{ max: 2, maxEOF: 1 }` options:
+
+```js
+/*eslint no-multiple-empty-lines: ["error", { "max": 2, "maxEOF": 1 }]*/
+
+var foo = 5;
+
+
+var bar = 3;
+
+```
+
+### maxBOF
+
+Examples of **incorrect** code for this rule with the `{ max: 2, maxBOF: 1 }` options:
+
+```js
+/*eslint no-multiple-empty-lines: ["error", { "max": 2, "maxBOF": 1 }]*/
+
+
+var foo = 5;
+
+
+var bar = 3;
+```
+
+Examples of **correct** code for this rule with the `{ max: 2, maxBOF: 1 }` options:
+
+```js
+/*eslint no-multiple-empty-lines: ["error", { "max": 2, "maxBOF": 1}]*/
+
+var foo = 5;
+
+
+var bar = 3;
+```
+
+## When Not To Use It
+
+If you do not care about extra blank lines, turn this off.
diff --git a/eslint/docs/rules/no-native-reassign.md b/eslint/docs/rules/no-native-reassign.md
new file mode 100644
index 0000000..bfb511d
--- /dev/null
+++ b/eslint/docs/rules/no-native-reassign.md
@@ -0,0 +1,91 @@
+# Disallow Reassignment of Native Objects (no-native-reassign)
+
+This rule was **deprecated** in ESLint v3.3.0 and replaced by the [no-global-assign](no-global-assign.md) rule.
+
+JavaScript environments contain a number of built-in global variables, such as `window` in browsers and `process` in Node.js. In almost all cases, you don't want to assign a value to these global variables as doing so could result in losing access to important functionality. For example, you probably don't want to do this in browser code:
+
+```js
+window = {};
+```
+
+While examples such as `window` are obvious, there are often hundreds of built-in global objects provided by JavaScript environments. It can be hard to know if you're assigning to a global variable or not.
+
+## Rule Details
+
+This rule disallows modifications to read-only global variables.
+
+ESLint has the capability to configure global variables as read-only.
+
+* [Specifying Environments](../user-guide/configuring#specifying-environments)
+* [Specifying Globals](../user-guide/configuring#specifying-globals)
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-native-reassign: "error"*/
+
+Object = null
+undefined = 1
+```
+
+```js
+/*eslint no-native-reassign: "error"*/
+/*eslint-env browser*/
+
+window = {}
+length = 1
+top = 1
+```
+
+```js
+/*eslint no-native-reassign: "error"*/
+/*global a:readonly*/
+
+a = 1
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-native-reassign: "error"*/
+
+a = 1
+var b = 1
+b = 2
+```
+
+```js
+/*eslint no-native-reassign: "error"*/
+/*eslint-env browser*/
+
+onload = function() {}
+```
+
+```js
+/*eslint no-native-reassign: "error"*/
+/*global a:writable*/
+
+a = 1
+```
+
+## Options
+
+This rule accepts an `exceptions` option, which can be used to specify a list of builtins for which reassignments will be allowed:
+
+```json
+{
+    "rules": {
+        "no-native-reassign": ["error", {"exceptions": ["Object"]}]
+    }
+}
+```
+
+## When Not To Use It
+
+If you are trying to override one of the native objects.
+
+## Related Rules
+
+* [no-extend-native](no-extend-native.md)
+* [no-redeclare](no-redeclare.md)
+* [no-shadow](no-shadow.md)
diff --git a/eslint/docs/rules/no-negated-condition.md b/eslint/docs/rules/no-negated-condition.md
new file mode 100644
index 0000000..58addae
--- /dev/null
+++ b/eslint/docs/rules/no-negated-condition.md
@@ -0,0 +1,58 @@
+# disallow negated conditions (no-negated-condition)
+
+Negated conditions are more difficult to understand. Code can be made more readable by inverting the condition instead.
+
+## Rule Details
+
+This rule disallows negated conditions in either of the following:
+
+* `if` statements which have an `else` branch
+* ternary expressions
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-negated-condition: "error"*/
+
+if (!a) {
+    doSomething();
+} else {
+    doSomethingElse();
+}
+
+if (a != b) {
+    doSomething();
+} else {
+    doSomethingElse();
+}
+
+if (a !== b) {
+    doSomething();
+} else {
+    doSomethingElse();
+}
+
+!a ? c : b
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-negated-condition: "error"*/
+
+if (!a) {
+    doSomething();
+}
+
+if (!a) {
+    doSomething();
+} else if (b) {
+    doSomething();
+}
+
+if (a != b) {
+    doSomething();
+}
+
+a ? b : c
+```
diff --git a/eslint/docs/rules/no-negated-in-lhs.md b/eslint/docs/rules/no-negated-in-lhs.md
new file mode 100644
index 0000000..dd3d422
--- /dev/null
+++ b/eslint/docs/rules/no-negated-in-lhs.md
@@ -0,0 +1,41 @@
+# disallow negating the left operand in `in` expressions (no-negated-in-lhs)
+
+This rule was **deprecated** in ESLint v3.3.0 and replaced by the [no-unsafe-negation](no-unsafe-negation.md) rule.
+
+## Rule Details
+
+Just as developers might type `-a + b` when they mean `-(a + b)` for the negative of a sum, they might type `!key in object` by mistake when they almost certainly mean `!(key in object)` to test that a key is not in an object.
+
+## Rule Details
+
+This rule disallows negating the left operand in `in` expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-negated-in-lhs: "error"*/
+
+if(!key in object) {
+    // operator precedence makes it equivalent to (!key) in object
+    // and type conversion makes it equivalent to (key ? "false" : "true") in object
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-negated-in-lhs: "error"*/
+
+if(!(key in object)) {
+    // key is not in object
+}
+
+if(('' + !key) in object) {
+    // make operator precedence and type conversion explicit
+    // in a rare situation when that is the intended meaning
+}
+```
+
+## When Not To Use It
+
+Never.
diff --git a/eslint/docs/rules/no-nested-ternary.md b/eslint/docs/rules/no-nested-ternary.md
new file mode 100644
index 0000000..8c9cb0d
--- /dev/null
+++ b/eslint/docs/rules/no-nested-ternary.md
@@ -0,0 +1,44 @@
+# disallow nested ternary expressions (no-nested-ternary)
+
+Nesting ternary expressions can make code more difficult to understand.
+
+```js
+var foo = bar ? baz : qux === quxx ? bing : bam;
+```
+
+## Rule Details
+
+The `no-nested-ternary` rule disallows nested ternary expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-nested-ternary: "error"*/
+
+var thing = foo ? bar : baz === qux ? quxx : foobar;
+
+foo ? baz === qux ? quxx() : foobar() : bar();
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-nested-ternary: "error"*/
+
+var thing = foo ? bar : foobar;
+
+var thing;
+
+if (foo) {
+  thing = bar;
+} else if (baz === qux) {
+  thing = quxx;
+} else {
+  thing = foobar;
+}
+```
+
+## Related Rules
+
+* [no-ternary](no-ternary.md)
+* [no-unneeded-ternary](no-unneeded-ternary.md)
diff --git a/eslint/docs/rules/no-new-func.md b/eslint/docs/rules/no-new-func.md
new file mode 100644
index 0000000..16ac00c
--- /dev/null
+++ b/eslint/docs/rules/no-new-func.md
@@ -0,0 +1,36 @@
+# Disallow Function Constructor (no-new-func)
+
+It's possible to create functions in JavaScript using the `Function` constructor, such as:
+
+```js
+var x = new Function("a", "b", "return a + b");
+```
+
+This is considered by many to be a bad practice due to the difficulty in debugging and reading these types of functions.
+
+## Rule Details
+
+This error is raised to highlight the use of a bad practice. By passing a string to the Function constructor, you are requiring the engine to parse that string much in the way it has to when you call the `eval` function.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new-func: "error"*/
+
+var x = new Function("a", "b", "return a + b");
+var x = Function("a", "b", "return a + b");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new-func: "error"*/
+
+var x = function (a, b) {
+    return a + b;
+};
+```
+
+## When Not To Use It
+
+In more advanced cases where you really need to use the `Function` constructor.
diff --git a/eslint/docs/rules/no-new-object.md b/eslint/docs/rules/no-new-object.md
new file mode 100644
index 0000000..5186682
--- /dev/null
+++ b/eslint/docs/rules/no-new-object.md
@@ -0,0 +1,50 @@
+# disallow `Object` constructors (no-new-object)
+
+The `Object` constructor is used to create new generic objects in JavaScript, such as:
+
+```js
+var myObject = new Object();
+```
+
+However, this is no different from using the more concise object literal syntax:
+
+```js
+var myObject = {};
+```
+
+For this reason, many prefer to always use the object literal syntax and never use the `Object` constructor.
+
+While there are no performance differences between the two approaches, the byte savings and conciseness of the object literal form is what has made it the de facto way of creating new objects.
+
+## Rule Details
+
+This rule disallows `Object` constructors.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new-object: "error"*/
+
+var myObject = new Object();
+
+var myObject = new Object;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new-object: "error"*/
+
+var myObject = new CustomObject();
+
+var myObject = {};
+```
+
+## When Not To Use It
+
+If you wish to allow the use of the `Object` constructor, you can safely turn this rule off.
+
+## Related Rules
+
+* [no-array-constructor](no-array-constructor.md)
+* [no-new-wrappers](no-new-wrappers.md)
diff --git a/eslint/docs/rules/no-new-require.md b/eslint/docs/rules/no-new-require.md
new file mode 100644
index 0000000..5ffaf2a
--- /dev/null
+++ b/eslint/docs/rules/no-new-require.md
@@ -0,0 +1,46 @@
+# Disallow new require (no-new-require)
+
+The `require` function is used to include modules that exist in separate files, such as:
+
+```js
+var appHeader = require('app-header');
+```
+
+Some modules return a constructor which can potentially lead to code such as:
+
+```js
+var appHeader = new require('app-header');
+```
+
+Unfortunately, this introduces a high potential for confusion since the code author likely meant to write:
+
+```js
+var appHeader = new (require('app-header'));
+```
+
+For this reason, it is usually best to disallow this particular expression.
+
+## Rule Details
+
+This rule aims to eliminate use of the `new require` expression.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new-require: "error"*/
+
+var appHeader = new require('app-header');
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new-require: "error"*/
+
+var AppHeader = require('app-header');
+var appHeader = new AppHeader();
+```
+
+## When Not To Use It
+
+If you are using a custom implementation of `require` and your code will never be used in projects where a standard `require` (CommonJS, Node.js, AMD) is expected, you can safely turn this rule off.
diff --git a/eslint/docs/rules/no-new-symbol.md b/eslint/docs/rules/no-new-symbol.md
new file mode 100644
index 0000000..66167cf
--- /dev/null
+++ b/eslint/docs/rules/no-new-symbol.md
@@ -0,0 +1,48 @@
+# Disallow Symbol Constructor (no-new-symbol)
+
+`Symbol` is not intended to be used with the `new` operator, but to be called as a function.
+
+```js
+var foo = new Symbol("foo");
+```
+
+This throws a `TypeError` exception.
+
+## Rule Details
+
+This rule is aimed at preventing the accidental calling of `Symbol` with the `new` operator.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new-symbol: "error"*/
+/*eslint-env es6*/
+
+var foo = new Symbol('foo');
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new-symbol: "error"*/
+/*eslint-env es6*/
+
+var foo = Symbol('foo');
+
+
+// Ignores shadowed Symbol.
+function bar(Symbol) {
+    const baz = new Symbol("baz");
+}
+
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+## Further Reading
+
+* [Symbol Objects specification](https://www.ecma-international.org/ecma-262/6.0/#sec-symbol-objects)
diff --git a/eslint/docs/rules/no-new-wrappers.md b/eslint/docs/rules/no-new-wrappers.md
new file mode 100644
index 0000000..45247e5
--- /dev/null
+++ b/eslint/docs/rules/no-new-wrappers.md
@@ -0,0 +1,78 @@
+# Disallow Primitive Wrapper Instances (no-new-wrappers)
+
+There are three primitive types in JavaScript that have wrapper objects: string, number, and boolean. These are represented by the constructors `String`, `Number`, and `Boolean`, respectively. The primitive wrapper types are used whenever one of these primitive values is read, providing them with object-like capabilities such as methods. Behind the scenes, an object of the associated wrapper type is created and then destroyed, which is why you can call methods on primitive values, such as:
+
+```js
+var text = "Hello world".substring(2);
+```
+
+Behind the scenes in this example, a `String` object is constructed. The `substring()` method exists on `String.prototype` and so is accessible to the string instance.
+
+It's also possible to manually create a new wrapper instance:
+
+```js
+var stringObject = new String("Hello world");
+var numberObject = new Number(33);
+var booleanObject = new Boolean(false);
+```
+
+Although possible, there aren't any good reasons to use these primitive wrappers as constructors. They tend to confuse other developers more than anything else because they seem like they should act as primitives, but they do not. For example:
+
+```js
+var stringObject = new String("Hello world");
+console.log(typeof stringObject);       // "object"
+
+var text = "Hello world";
+console.log(typeof text);               // "string"
+
+var booleanObject = new Boolean(false);
+if (booleanObject) {    // all objects are truthy!
+    console.log("This executes");
+}
+```
+
+The first problem is that primitive wrapper objects are, in fact, objects. That means `typeof` will return `"object"` instead of `"string"`, `"number"`, or `"boolean"`. The second problem comes with boolean objects. Every object is truthy, that means an instance of `Boolean` always resolves to `true` even when its actual value is `false`.
+
+For these reasons, it's considered a best practice to avoid using primitive wrapper types with `new`.
+
+## Rule Details
+
+This rule aims to eliminate the use of `String`, `Number`, and `Boolean` with the `new` operator. As such, it warns whenever it sees `new String`, `new Number`, or `new Boolean`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new-wrappers: "error"*/
+
+var stringObject = new String("Hello world");
+var numberObject = new Number(33);
+var booleanObject = new Boolean(false);
+
+var stringObject = new String;
+var numberObject = new Number;
+var booleanObject = new Boolean;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new-wrappers: "error"*/
+
+var text = String(someValue);
+var num = Number(someValue);
+
+var object = new MyString();
+```
+
+## When Not To Use It
+
+If you want to allow the use of primitive wrapper objects, then you can safely disable this rule.
+
+## Further Reading
+
+* [Wrapper objects](https://www.inkling.com/read/javascript-definitive-guide-david-flanagan-6th/chapter-3/wrapper-objects)
+
+## Related Rules
+
+* [no-array-constructor](no-array-constructor.md)
+* [no-new-object](no-new-object.md)
diff --git a/eslint/docs/rules/no-new.md b/eslint/docs/rules/no-new.md
new file mode 100644
index 0000000..19ae097
--- /dev/null
+++ b/eslint/docs/rules/no-new.md
@@ -0,0 +1,37 @@
+# Disallow new For Side Effects (no-new)
+
+The goal of using `new` with a constructor is typically to create an object of a particular type and store that object in a variable, such as:
+
+```js
+var person = new Person();
+```
+
+It's less common to use `new` and not store the result, such as:
+
+```js
+new Person();
+```
+
+In this case, the created object is thrown away because its reference isn't stored anywhere, and in many cases, this means that the constructor should be replaced with a function that doesn't require `new` to be used.
+
+## Rule Details
+
+This rule is aimed at maintaining consistency and convention by disallowing constructor calls using the `new` keyword that do not assign the resulting object to a variable.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-new: "error"*/
+
+new Thing();
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-new: "error"*/
+
+var thing = new Thing();
+
+Thing();
+```
diff --git a/eslint/docs/rules/no-obj-calls.md b/eslint/docs/rules/no-obj-calls.md
new file mode 100644
index 0000000..7c8f715
--- /dev/null
+++ b/eslint/docs/rules/no-obj-calls.md
@@ -0,0 +1,65 @@
+# disallow calling global object properties as functions (no-obj-calls)
+
+ECMAScript provides several global objects that are intended to be used as-is. Some of these objects look as if they could be constructors due their capitalization (such as `Math` and `JSON`) but will throw an error if you try to execute them as functions.
+
+The [ECMAScript 5 specification](https://es5.github.io/#x15.8) makes it clear that both `Math` and `JSON` cannot be invoked:
+
+> The Math object does not have a `[[Call]]` internal property; it is not possible to invoke the Math object as a function.
+
+The [ECMAScript 2015 specification](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect-object) makes it clear that `Reflect` cannot be invoked:
+
+> The Reflect object also does not have a `[[Call]]` internal method; it is not possible to invoke the Reflect object as a function.
+
+And the [ECMAScript 2017 specification](https://www.ecma-international.org/ecma-262/8.0/index.html#sec-atomics-object) makes it clear that `Atomics` cannot be invoked:
+
+> The Atomics object does not have a `[[Call]]` internal method; it is not possible to invoke the Atomics object as a function.
+
+## Rule Details
+
+This rule disallows calling the `Math`, `JSON`, `Reflect` and `Atomics` objects as functions.
+
+This rule also disallows using these objects as constructors with the `new` operator.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-obj-calls: "error"*/
+/*eslint-env es2017*/
+
+var math = Math();
+
+var newMath = new Math();
+
+var json = JSON();
+
+var newJSON = new JSON();
+
+var reflect = Reflect();
+
+var newReflect = new Reflect();
+
+var atomics = Atomics();
+
+var newAtomics = new Atomics();
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-obj-calls: "error"*/
+/*eslint-env es2017*/
+
+function area(r) {
+    return Math.PI * r * r;
+}
+
+var object = JSON.parse("{}");
+
+var value = Reflect.get({ x: 1, y: 2 }, "x");
+
+var first = Atomics.load(foo, 0);
+```
+
+## Further Reading
+
+* [The Math Object](https://es5.github.io/#x15.8)
diff --git a/eslint/docs/rules/no-octal-escape.md b/eslint/docs/rules/no-octal-escape.md
new file mode 100644
index 0000000..f595217
--- /dev/null
+++ b/eslint/docs/rules/no-octal-escape.md
@@ -0,0 +1,31 @@
+# disallow octal escape sequences in string literals (no-octal-escape)
+
+As of the ECMAScript 5 specification, octal escape sequences in string literals are deprecated and should not be used. Unicode escape sequences should be used instead.
+
+```js
+var foo = "Copyright \251";
+```
+
+## Rule Details
+
+This rule disallows octal escape sequences in string literals.
+
+If ESLint parses code in strict mode, the parser (instead of this rule) reports the error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-octal-escape: "error"*/
+
+var foo = "Copyright \251";
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-octal-escape: "error"*/
+
+var foo = "Copyright \u00A9";   // unicode
+
+var foo = "Copyright \xA9";     // hexadecimal
+```
diff --git a/eslint/docs/rules/no-octal.md b/eslint/docs/rules/no-octal.md
new file mode 100644
index 0000000..a84fcce
--- /dev/null
+++ b/eslint/docs/rules/no-octal.md
@@ -0,0 +1,36 @@
+# disallow octal literals (no-octal)
+
+Octal literals are numerals that begin with a leading zero, such as:
+
+```js
+var num = 071;      // 57
+```
+
+Because the leading zero which identifies an octal literal has been a source of confusion and error in JavaScript code, ECMAScript 5 deprecates the use of octal numeric literals.
+
+## Rule Details
+
+The rule disallows octal literals.
+
+If ESLint parses code in strict mode, the parser (instead of this rule) reports the error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-octal: "error"*/
+
+var num = 071;
+var result = 5 + 07;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-octal: "error"*/
+
+var num  = "071";
+```
+
+## Compatibility
+
+* **JSHint**: W115
diff --git a/eslint/docs/rules/no-param-reassign.md b/eslint/docs/rules/no-param-reassign.md
new file mode 100644
index 0000000..47a7af3
--- /dev/null
+++ b/eslint/docs/rules/no-param-reassign.md
@@ -0,0 +1,160 @@
+# Disallow Reassignment of Function Parameters (no-param-reassign)
+
+Assignment to variables declared as function parameters can be misleading and lead to confusing behavior, as modifying function parameters will also mutate the `arguments` object. Often, assignment to function parameters is unintended and indicative of a mistake or programmer error.
+
+This rule can be also configured to fail when function parameters are modified. Side effects on parameters can cause counter-intuitive execution flow and make errors difficult to track down.
+
+## Rule Details
+
+This rule aims to prevent unintended behavior caused by modification or reassignment of function parameters.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-param-reassign: "error"*/
+
+function foo(bar) {
+    bar = 13;
+}
+
+function foo(bar) {
+    bar++;
+}
+
+function foo(bar) {
+    for (bar in baz) {}
+}
+
+function foo(bar) {
+    for (bar of baz) {}
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-param-reassign: "error"*/
+
+function foo(bar) {
+    var baz = bar;
+}
+```
+
+## Options
+
+This rule takes one option, an object, with a boolean property `"props"`, and  arrays `"ignorePropertyModificationsFor"` and `"ignorePropertyModificationsForRegex"`. `"props"` is `false` by default. If `"props"` is set to `true`, this rule warns against the modification of parameter properties unless they're included in `"ignorePropertyModificationsFor"` or `"ignorePropertyModificationsForRegex"`, which is an empty array by default.
+
+### props
+
+Examples of **correct** code for the default `{ "props": false }` option:
+
+```js
+/*eslint no-param-reassign: ["error", { "props": false }]*/
+
+function foo(bar) {
+    bar.prop = "value";
+}
+
+function foo(bar) {
+    delete bar.aaa;
+}
+
+function foo(bar) {
+    bar.aaa++;
+}
+
+function foo(bar) {
+    for (bar.aaa in baz) {}
+}
+
+function foo(bar) {
+    for (bar.aaa of baz) {}
+}
+```
+
+Examples of **incorrect** code for the `{ "props": true }` option:
+
+```js
+/*eslint no-param-reassign: ["error", { "props": true }]*/
+
+function foo(bar) {
+    bar.prop = "value";
+}
+
+function foo(bar) {
+    delete bar.aaa;
+}
+
+function foo(bar) {
+    bar.aaa++;
+}
+
+function foo(bar) {
+    for (bar.aaa in baz) {}
+}
+
+function foo(bar) {
+    for (bar.aaa of baz) {}
+}
+```
+
+Examples of **correct** code for the `{ "props": true }` option with `"ignorePropertyModificationsFor"` set:
+
+```js
+/*eslint no-param-reassign: ["error", { "props": true, "ignorePropertyModificationsFor": ["bar"] }]*/
+
+function foo(bar) {
+    bar.prop = "value";
+}
+
+function foo(bar) {
+    delete bar.aaa;
+}
+
+function foo(bar) {
+    bar.aaa++;
+}
+
+function foo(bar) {
+    for (bar.aaa in baz) {}
+}
+
+function foo(bar) {
+    for (bar.aaa of baz) {}
+}
+```
+
+Examples of **correct** code for the `{ "props": true }` option with `"ignorePropertyModificationsForRegex"` set:
+
+```js
+/*eslint no-param-reassign: ["error", { "props": true, "ignorePropertyModificationsForRegex": ["^bar"] }]*/
+
+function foo(barVar) {
+    barVar.prop = "value";
+}
+
+function foo(barrito) {
+    delete barrito.aaa;
+}
+
+function foo(bar_) {
+    bar_.aaa++;
+}
+
+function foo(barBaz) {
+    for (barBaz.aaa in baz) {}
+}
+
+function foo(barBaz) {
+    for (barBaz.aaa of baz) {}
+}
+```
+
+
+## When Not To Use It
+
+If you want to allow assignment to function parameters, then you can safely disable this rule.
+
+## Further Reading
+
+* [JavaScript: Don’t Reassign Your Function Arguments](https://spin.atomicobject.com/2011/04/10/javascript-don-t-reassign-your-function-arguments/)
diff --git a/eslint/docs/rules/no-path-concat.md b/eslint/docs/rules/no-path-concat.md
new file mode 100644
index 0000000..998ec10
--- /dev/null
+++ b/eslint/docs/rules/no-path-concat.md
@@ -0,0 +1,50 @@
+# Disallow string concatenation when using `__dirname` and `__filename` (no-path-concat)
+
+In Node.js, the `__dirname` and `__filename` global variables contain the directory path and the file path of the currently executing script file, respectively. Sometimes, developers try to use these variables to create paths to other files, such as:
+
+```js
+var fullPath = __dirname + "/foo.js";
+```
+
+However, there are a few problems with this. First, you can't be sure what type of system the script is running on. Node.js can be run on any computer, including Windows, which uses a different path separator. It's very easy, therefore, to create an invalid path using string concatenation and assuming Unix-style separators. There's also the possibility of having double separators, or otherwise ending up with an invalid path.
+
+In order to avoid any confusion as to how to create the correct path, Node.js provides the `path` module. This module uses system-specific information to always return the correct value. So you can rewrite the previous example as:
+
+```js
+var fullPath = path.join(__dirname, "foo.js");
+```
+
+This example doesn't need to include separators as `path.join()` will do it in the most appropriate manner. Alternately, you can use `path.resolve()` to retrieve the fully-qualified path:
+
+```js
+var fullPath = path.resolve(__dirname, "foo.js");
+```
+
+Both `path.join()` and `path.resolve()` are suitable replacements for string concatenation wherever file or directory paths are being created.
+
+## Rule Details
+
+This rule aims to prevent string concatenation of directory paths in Node.js
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-path-concat: "error"*/
+
+var fullPath = __dirname + "/foo.js";
+
+var fullPath = __filename + "/foo.js";
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-path-concat: "error"*/
+
+var fullPath = dirname + "/foo.js";
+```
+
+## When Not To Use It
+
+If you want to allow string concatenation of path names.
diff --git a/eslint/docs/rules/no-plusplus.md b/eslint/docs/rules/no-plusplus.md
new file mode 100644
index 0000000..e1b1ca3
--- /dev/null
+++ b/eslint/docs/rules/no-plusplus.md
@@ -0,0 +1,100 @@
+# disallow the unary operators `++` and `--` (no-plusplus)
+
+Because the unary `++` and `--` operators are subject to automatic semicolon insertion, differences in whitespace can change semantics of source code.
+
+```js
+var i = 10;
+var j = 20;
+
+i ++
+j
+// i = 11, j = 20
+```
+
+```js
+var i = 10;
+var j = 20;
+
+i
+++
+j
+// i = 10, j = 21
+```
+
+## Rule Details
+
+This rule disallows the unary operators `++` and `--`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-plusplus: "error"*/
+
+var foo = 0;
+foo++;
+
+var bar = 42;
+bar--;
+
+for (i = 0; i < l; i++) {
+    return;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-plusplus: "error"*/
+
+var foo = 0;
+foo += 1;
+
+var bar = 42;
+bar -= 1;
+
+for (i = 0; i < l; i += 1) {
+    return;
+}
+```
+
+## Options
+
+This rule has an object option.
+
+* `"allowForLoopAfterthoughts": true` allows unary operators `++` and `--` in the afterthought (final expression) of a `for` loop.
+
+### allowForLoopAfterthoughts
+
+Examples of **correct** code for this rule with the `{ "allowForLoopAfterthoughts": true }` option:
+
+```js
+/*eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }]*/
+
+for (i = 0; i < l; i++) {
+    doSomething(i);
+}
+
+for (i = l; i >= 0; i--) {
+    doSomething(i);
+}
+
+for (i = 0, j = l; i < l; i++, j--) {
+    doSomething(i, j);
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "allowForLoopAfterthoughts": true }` option:
+
+```js
+/*eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }]*/
+
+for (i = 0; i < l; j = i++) {
+    doSomething(i, j);
+}
+
+for (i = l; i--;) {
+    doSomething(i);
+}
+
+for (i = 0; i < l;) i++;
+```
diff --git a/eslint/docs/rules/no-process-env.md b/eslint/docs/rules/no-process-env.md
new file mode 100644
index 0000000..9db800f
--- /dev/null
+++ b/eslint/docs/rules/no-process-env.md
@@ -0,0 +1,39 @@
+# Disallow process.env (no-process-env)
+
+The `process.env` object in Node.js is used to store deployment/configuration parameters. Littering it through out a project could lead to maintenance issues as it's another kind of global dependency. As such, it could lead to merge conflicts in a multi-user setup and deployment issues in a multi-server setup. Instead, one of the best practices is to define all those parameters in a single configuration/settings file which could be accessed throughout the project.
+
+
+## Rule Details
+
+This rule is aimed at discouraging use of `process.env` to avoid global dependencies. As such, it will warn whenever `process.env` is used.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-process-env: "error"*/
+
+if(process.env.NODE_ENV === "development") {
+    //...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-process-env: "error"*/
+
+var config = require("./config");
+
+if(config.env === "development") {
+    //...
+}
+```
+
+## When Not To Use It
+
+If you prefer to use `process.env` throughout your project to retrieve values from environment variables, then you can safely disable this rule.
+
+## Further Reading
+
+* [How to store Node.js deployment settings/configuration files? - Stack Overflow](https://stackoverflow.com/questions/5869216/how-to-store-node-js-deployment-settings-configuration-files)
+* [Storing Node.js application config data - Ben Hall's blog](https://blog.benhall.me.uk/2012/02/storing-application-config-data-in/)
diff --git a/eslint/docs/rules/no-process-exit.md b/eslint/docs/rules/no-process-exit.md
new file mode 100644
index 0000000..0070a09
--- /dev/null
+++ b/eslint/docs/rules/no-process-exit.md
@@ -0,0 +1,48 @@
+# Disallow process.exit() (no-process-exit)
+
+The `process.exit()` method in Node.js is used to immediately stop the Node.js process and exit. This is a dangerous operation because it can occur in any method at any point in time, potentially stopping a Node.js application completely when an error occurs. For example:
+
+```js
+if (somethingBadHappened) {
+    console.error("Something bad happened!");
+    process.exit(1);
+}
+```
+
+This code could appear in any module and will stop the entire application when `somethingBadHappened` is truthy. This doesn't give the application any chance to respond to the error. It's usually better to throw an error and allow the application to handle it appropriately:
+
+```js
+if (somethingBadHappened) {
+    throw new Error("Something bad happened!");
+}
+```
+
+By throwing an error in this way, other parts of the application have an opportunity to handle the error rather than stopping the application altogether. If the error bubbles all the way up to the process without being handled, then the process will exit and a non-zero exit code will returned, so the end result is the same.
+
+If you are using `process.exit()` only for specifying the exit code, you can set [`process.exitCode`](https://nodejs.org/api/process.html#process_process_exitcode) (introduced in Node.js 0.11.8) instead.
+
+## Rule Details
+
+This rule aims to prevent the use of `process.exit()` in Node.js JavaScript. As such, it warns whenever `process.exit()` is found in code.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-process-exit: "error"*/
+
+process.exit(1);
+process.exit(0);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-process-exit: "error"*/
+
+Process.exit();
+var exit = process.exit;
+```
+
+## When Not To Use It
+
+There may be a part of a Node.js application that is responsible for determining the correct exit code to return upon exiting. In that case, you should turn this rule off to allow proper handling of the exit code.
diff --git a/eslint/docs/rules/no-proto.md b/eslint/docs/rules/no-proto.md
new file mode 100644
index 0000000..9543b7e
--- /dev/null
+++ b/eslint/docs/rules/no-proto.md
@@ -0,0 +1,42 @@
+# Disallow Use of `__proto__` (no-proto)
+
+`__proto__` property has been deprecated as of ECMAScript 3.1 and shouldn't be used in the code. Use `Object.getPrototypeOf` and `Object.setPrototypeOf` instead.
+
+## Rule Details
+
+When an object is created with the `new` operator, `__proto__` is set to the original "prototype" property of the object's constructor function. `Object.getPrototypeOf` is the preferred method of getting the object's prototype. To change an object's prototype, use `Object.setPrototypeOf`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-proto: "error"*/
+
+var a = obj.__proto__;
+
+var a = obj["__proto__"];
+
+obj.__proto__ = b;
+
+obj["__proto__"] = b;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-proto: "error"*/
+
+var a = Object.getPrototypeOf(obj);
+
+Object.setPrototypeOf(obj, b);
+
+var c = { __proto__: a };
+```
+
+## When Not To Use It
+
+You might want to turn this rule off if you need to support legacy browsers which implement the
+`__proto__` property but not `Object.getPrototypeOf` or `Object.setPrototypeOf`.
+
+## Further Reading
+
+* [Object.getPrototypeOf](http://ejohn.org/blog/objectgetprototypeof/)
diff --git a/eslint/docs/rules/no-prototype-builtins.md b/eslint/docs/rules/no-prototype-builtins.md
new file mode 100644
index 0000000..7132bcb
--- /dev/null
+++ b/eslint/docs/rules/no-prototype-builtins.md
@@ -0,0 +1,39 @@
+# Disallow use of Object.prototypes builtins directly (no-prototype-builtins)
+
+In ECMAScript 5.1, `Object.create` was added, which enables the creation of objects with a specified `[[Prototype]]`. `Object.create(null)` is a common pattern used to create objects that will be used as a Map. This can lead to errors when it is assumed that objects will have properties from `Object.prototype`. This rule prevents calling some `Object.prototype` methods directly from an object.
+
+Additionally, objects can have properties that shadow the builtins on `Object.prototype`, potentially causing unintended behavior or denial-of-service security vulnerabilities. For example, it would be unsafe for a webserver to parse JSON input from a client and call `hasOwnProperty` directly on the resulting object, because a malicious client could send a JSON value like `{"hasOwnProperty": 1}` and cause the server to crash.
+
+To avoid subtle bugs like this, it's better to always call these methods from `Object.prototype`. For example, `foo.hasOwnProperty("bar")` should be replaced with `Object.prototype.hasOwnProperty.call(foo, "bar")`.
+
+## Rule Details
+
+This rule disallows calling some `Object.prototype` methods directly on object instances.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-prototype-builtins: "error"*/
+
+var hasBarProperty = foo.hasOwnProperty("bar");
+
+var isPrototypeOfBar = foo.isPrototypeOf(bar);
+
+var barIsEnumerable = foo.propertyIsEnumerable("bar");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-prototype-builtins: "error"*/
+
+var hasBarProperty = Object.prototype.hasOwnProperty.call(foo, "bar");
+
+var isPrototypeOfBar = Object.prototype.isPrototypeOf.call(foo, bar);
+
+var barIsEnumerable = {}.propertyIsEnumerable.call(foo, "bar");
+```
+
+## When Not To Use It
+
+You may want to turn this rule off if your code only touches objects with hardcoded keys, and you will never use an object that shadows an `Object.prototype` method or which does not inherit from `Object.prototype`.
diff --git a/eslint/docs/rules/no-redeclare.md b/eslint/docs/rules/no-redeclare.md
new file mode 100644
index 0000000..c3b8422
--- /dev/null
+++ b/eslint/docs/rules/no-redeclare.md
@@ -0,0 +1,60 @@
+# disallow variable redeclaration (no-redeclare)
+
+In JavaScript, it's possible to redeclare the same variable name using `var`. This can lead to confusion as to where the variable is actually declared and initialized.
+
+## Rule Details
+
+This rule is aimed at eliminating variables that have multiple declarations in the same scope.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-redeclare: "error"*/
+
+var a = 3;
+var a = 10;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-redeclare: "error"*/
+
+var a = 3;
+// ...
+a = 10;
+```
+
+## Options
+
+This rule takes one optional argument, an object with a boolean property `"builtinGlobals"`. It defaults to `true`.
+If set to `true`, this rule also checks redeclaration of built-in globals, such as `Object`, `Array`, `Number`...
+
+### builtinGlobals
+
+The `"builtinGlobals"` option will check for redeclaration of built-in globals in global scope.
+
+Examples of **incorrect** code for the `{ "builtinGlobals": true }` option:
+
+```js
+/*eslint no-redeclare: ["error", { "builtinGlobals": true }]*/
+
+var Object = 0;
+```
+
+Examples of **incorrect** code for the `{ "builtinGlobals": true }` option and the `browser` environment:
+
+```js
+/*eslint no-redeclare: ["error", { "builtinGlobals": true }]*/
+/*eslint-env browser*/
+
+var top = 0;
+```
+
+The `browser` environment has many built-in global variables (for example, `top`). Some of built-in global variables cannot be redeclared.
+
+Note that when using the `node` or `commonjs` environments (or `ecmaFeatures.globalReturn`, if using the default parser), the top scope of a program is not actually the global scope, but rather a "module" scope. When this is the case, declaring a variable named after a builtin global is not a redeclaration, but rather a shadowing of the global variable. In that case, the [`no-shadow`](no-shadow.md) rule with the `"builtinGlobals"` option should be used.
+
+## Related Rules
+
+* [no-shadow](no-shadow.md)
diff --git a/eslint/docs/rules/no-regex-spaces.md b/eslint/docs/rules/no-regex-spaces.md
new file mode 100644
index 0000000..63a5174
--- /dev/null
+++ b/eslint/docs/rules/no-regex-spaces.md
@@ -0,0 +1,46 @@
+# disallow multiple spaces in regular expression literals (no-regex-spaces)
+
+Regular expressions can be very complex and difficult to understand, which is why it's important to keep them as simple as possible in order to avoid mistakes. One of the more error-prone things you can do with a regular expression is to use more than one space, such as:
+
+```js
+var re = /foo   bar/;
+```
+
+In this regular expression, it's very hard to tell how many spaces are intended to be matched. It's better to use only one space and then specify how many spaces are expected, such as:
+
+```js
+var re = /foo {3}bar/;
+```
+
+Now it is very clear that three spaces are expected to be matched.
+
+## Rule Details
+
+This rule disallows multiple spaces in regular expression literals.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-regex-spaces: "error"*/
+
+var re = /foo   bar/;
+var re = new RegExp("foo   bar");
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-regex-spaces: "error"*/
+
+var re = /foo {3}bar/;
+var re = new RegExp("foo {3}bar");
+```
+
+## When Not To Use It
+
+If you want to allow multiple spaces in a regular expression, then you can safely turn this rule off.
+
+## Related Rules
+
+* [no-div-regex](no-div-regex.md)
+* [no-control-regex](no-control-regex.md)
diff --git a/eslint/docs/rules/no-reserved-keys.md b/eslint/docs/rules/no-reserved-keys.md
new file mode 100644
index 0000000..f1f8e41
--- /dev/null
+++ b/eslint/docs/rules/no-reserved-keys.md
@@ -0,0 +1,53 @@
+# no-reserved-keys: disallow unquoted reserved words as property names in object literals
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [quote-props](quote-props.md) rule.
+
+ECMAScript 3 described as series of keywords and reserved words, such as `if` and `public`, that are used or intended to be used for a core language feature. The specification also indicated that these keywords and reserved words could not be used as object property names without being enclosed in strings. An error occurs in an ECMAScript 3 environment when you use a keyword or reserved word in an object literal. For example:
+
+```js
+var values = {
+    enum: ["red", "blue", "green"]  // throws an error in ECMAScript 3
+}
+```
+
+In this code, `enum` is used as an object key and will throw an error in an ECMAScript 3 environment (such as Internet Explorer 8).
+
+ECMAScript 5 loosened the restriction such that keywords and reserved words can be used as object keys without causing an error. However, any code that needs to run in ECMAScript 3 still needs to avoid using keywords and reserved words as keys.
+
+## Rule Details
+
+This rule is aimed at eliminating the use of ECMAScript 3 keywords and reserved words as object literal keys. As such, it warns whenever an object key would throw an error in an ECMAScript 3 environment.
+
+Examples of **incorrect** code for this rule:
+
+```js
+var superman = {
+    class: "Superhero",
+    private: "Clark Kent"
+};
+
+var values = {
+    enum: ["red", "blue", "green"]
+};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+var superman = {
+    "class": "Superhero",
+    "private": "Clark Kent"
+};
+
+var values = {
+    "enum": ["red", "blue", "green"]
+};
+```
+
+## When Not To Use It
+
+If your code is only going to be executed in an ECMAScript 5 or higher environment, then you can safely leave this rule off.
+
+## Further Reading
+
+* [Reserved words as property names](https://kangax.github.io/compat-table/es5/#Reserved_words_as_property_names)
diff --git a/eslint/docs/rules/no-restricted-exports.md b/eslint/docs/rules/no-restricted-exports.md
new file mode 100644
index 0000000..2993857
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-exports.md
@@ -0,0 +1,106 @@
+# Disallow specified names in exports (no-restricted-exports)
+
+In a project, certain names may be disallowed from being used as exported names for various reasons.
+
+## Rule Details
+
+This rule disallows specified names from being used as exported names.
+
+## Options
+
+By default, this rule doesn't disallow any names. Only the names you specify in the configuration will be disallowed.
+
+This rule has an object option:
+
+* `"restrictedNamedExports"` is an array of strings, where each string is a name to be restricted.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-restricted-exports: ["error", {
+    "restrictedNamedExports": ["foo", "bar", "Baz", "a", "b", "c", "d"]
+}]*/
+
+export const foo = 1;
+
+export function bar() {}
+
+export class Baz {}
+
+const a = {};
+export { a };
+
+function someFunction() {}
+export { someFunction as b };
+
+export { c } from 'some_module';
+
+export { something as d } from 'some_module';
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-restricted-exports: ["error", {
+    "restrictedNamedExports": ["foo", "bar", "Baz", "a", "b", "c", "d"]
+}]*/
+
+export const quux = 1;
+
+export function myFunction() {}
+
+export class MyClass {}
+
+const a = {};
+export { a as myObject };
+
+function someFunction() {}
+export { someFunction };
+
+export { c as someName } from 'some_module';
+
+export { something } from 'some_module';
+```
+
+### Default exports
+
+By design, this rule doesn't disallow `export default` declarations. If you configure `"default"` as a restricted name, that restriction will apply only to named export declarations.
+
+Examples of additional **incorrect** code for this rule:
+
+```js
+/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default"] }]*/
+
+function foo() {}
+
+export { foo as default };
+```
+
+```js
+/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default"] }]*/
+
+export { default } from 'some_module';
+```
+
+Examples of additional **correct** code for this rule:
+
+```js
+/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["default", "foo"] }]*/
+
+export default function foo() {}
+```
+
+## Known Limitations
+
+This rule doesn't inspect the content of source modules in re-export declarations. In particular, if you are re-exporting everything from another module's export, that export may include a restricted name. This rule cannot detect such cases.
+
+```js
+
+//----- some_module.js -----
+export function foo() {}
+
+//----- my_module.js -----
+/*eslint no-restricted-exports: ["error", { "restrictedNamedExports": ["foo"] }]*/
+
+export * from 'some_module'; // allowed, although this declaration exports "foo" from my_module
+```
diff --git a/eslint/docs/rules/no-restricted-globals.md b/eslint/docs/rules/no-restricted-globals.md
new file mode 100644
index 0000000..dd3e15b
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-globals.md
@@ -0,0 +1,90 @@
+# Disallow specific global variables (no-restricted-globals)
+
+Disallowing usage of specific global variables can be useful if you want to allow a set of global
+variables by enabling an environment, but still want to disallow some of those.
+
+For instance, early Internet Explorer versions exposed the current DOM event as a global variable
+`event`, but using this variable has been considered as a bad practice for a long time. Restricting
+this will make sure this variable isn't used in browser code.
+
+## Rule Details
+
+This rule allows you to specify global variable names that you don't want to use in your application.
+
+## Options
+
+This rule takes a list of strings, where each string is a global to be restricted:
+
+```json
+{
+    "rules": {
+        "no-restricted-globals": ["error", "event", "fdescribe"]
+    }
+}
+```
+
+Alternatively, the rule also accepts objects, where the global name and an optional custom message are specified:
+
+```json
+{
+    "rules": {
+        "no-restricted-globals": [
+            "error",
+            {
+                "name": "event",
+                "message": "Use local parameter instead."
+            },
+            {
+                "name": "fdescribe",
+                "message": "Do not commit fdescribe. Use describe instead."
+            }
+        ]
+    }
+}
+```
+
+Examples of **incorrect** code for sample `"event", "fdescribe"` global variable names:
+
+```js
+/*global event, fdescribe*/
+/*eslint no-restricted-globals: ["error", "event", "fdescribe"]*/
+
+function onClick() {
+    console.log(event);
+}
+
+fdescribe("foo", function() {
+});
+```
+
+Examples of **correct** code for a sample `"event"` global variable name:
+
+```js
+/*global event*/
+/*eslint no-restricted-globals: ["error", "event"]*/
+
+import event from "event-module";
+```
+
+```js
+/*global event*/
+/*eslint no-restricted-globals: ["error", "event"]*/
+
+var event = 1;
+```
+
+Examples of **incorrect** code for a sample `"event"` global variable name, along with a custom error message:
+
+```js
+/*global event*/
+/* eslint no-restricted-globals: ["error", { name: "event", message: "Use local parameter instead." }] */
+
+function onClick() {
+    console.log(event);    // Unexpected global variable 'event'. Use local parameter instead.
+}
+```
+
+## Related Rules
+
+* [no-restricted-properties](no-restricted-properties.md)
+* [no-restricted-syntax](no-restricted-syntax.md)
diff --git a/eslint/docs/rules/no-restricted-imports.md b/eslint/docs/rules/no-restricted-imports.md
new file mode 100644
index 0000000..e86544d
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-imports.md
@@ -0,0 +1,185 @@
+# Disallow specific imports (no-restricted-imports)
+
+Imports are an ES6/ES2015 standard for making the functionality of other modules available in your current module. In CommonJS this is implemented through the `require()` call which makes this ESLint rule roughly equivalent to its CommonJS counterpart `no-restricted-modules`.
+
+Why would you want to restrict imports?
+
+* Some imports might not make sense in a particular environment. For example, Node.js' `fs` module would not make sense in an environment that didn't have a file system.
+
+* Some modules provide similar or identical functionality, think `lodash` and `underscore`. Your project may have standardized on a module. You want to make sure that the other alternatives are not being used as this would unnecessarily bloat the project and provide a higher maintenance cost of two dependencies when one would suffice.
+
+## Rule Details
+
+This rule allows you to specify imports that you don't want to use in your application.
+
+## Options
+
+The syntax to specify restricted imports looks like this:
+
+```json
+"no-restricted-imports": ["error", "import1", "import2"]
+```
+
+or like this:
+
+```json
+"no-restricted-imports": ["error", { "paths": ["import1", "import2"] }]
+```
+
+When using the object form, you can also specify an array of gitignore-style patterns:
+
+```json
+"no-restricted-imports": ["error", {
+    "paths": ["import1", "import2"],
+    "patterns": ["import1/private/*", "import2/*", "!import2/good"]
+}]
+```
+
+You may also specify a custom message for any paths you want to restrict as follows:
+
+```json
+"no-restricted-imports": ["error", {
+    "name": "import-foo",
+    "message": "Please use import-bar instead."
+}, {
+    "name": "import-baz",
+    "message": "Please use import-quux instead."
+}]
+```
+
+or like this:
+
+```json
+"no-restricted-imports": ["error", {
+    "paths": [{
+        "name": "import-foo",
+        "message": "Please use import-bar instead."
+    }, {
+        "name": "import-baz",
+        "message": "Please use import-quux instead."
+    }]
+}]
+```
+
+or like this if you need to restrict only certain imports from a module:
+
+```json
+"no-restricted-imports": ["error", {
+  "paths": [{
+    "name": "import-foo",
+    "importNames": ["Bar"],
+    "message": "Please use Bar from /import-bar/baz/ instead."
+  }]
+}]
+```
+
+The custom message will be appended to the default error message. Please note that you may not specify custom error messages for restricted patterns as a particular import may match more than one pattern.
+
+To restrict the use of all Node.js core imports (via https://github.com/nodejs/node/tree/master/lib):
+
+```json
+    "no-restricted-imports": ["error",
+         "assert","buffer","child_process","cluster","crypto","dgram","dns","domain","events","freelist","fs","http","https","module","net","os","path","punycode","querystring","readline","repl","smalloc","stream","string_decoder","sys","timers","tls","tracing","tty","url","util","vm","zlib"
+    ],
+```
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-restricted-imports: ["error", "fs"]*/
+
+import fs from 'fs';
+```
+
+```js
+/*eslint no-restricted-imports: ["error", "fs"]*/
+
+export { fs } from 'fs';
+```
+
+```js
+/*eslint no-restricted-imports: ["error", "fs"]*/
+
+export * from 'fs';
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { "paths": ["cluster"] }]*/
+
+import cluster from 'cluster';
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { "patterns": ["lodash/*"] }]*/
+
+import pick from 'lodash/pick';
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { paths: [{
+    name: "foo",
+    importNames: ["default"],
+    message: "Please use the default import from '/bar/baz/' instead."
+}]}]*/
+
+import DisallowedObject from "foo";
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { paths: [{
+    name: "foo",
+    importNames: ["DisallowedObject"],
+    message: "Please import 'DisallowedObject' from '/bar/baz/' instead."
+}]}]*/
+
+import { DisallowedObject as AllowedObject } from "foo";
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { paths: [{
+    name: "foo",
+    importNames: ["DisallowedObject"],
+    message: "Please import 'DisallowedObject' from '/bar/baz/' instead."
+}]}]*/
+
+import * as Foo from "foo";
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-restricted-imports: ["error", "fs"]*/
+
+import crypto from 'crypto';
+export { foo } from "bar";
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { "paths": ["fs"], "patterns": ["eslint/*"] }]*/
+
+import crypto from 'crypto';
+import eslint from 'eslint';
+export * from "path";
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { paths: [{ name: "foo", importNames: ["DisallowedObject"] }] }]*/
+
+import DisallowedObject from "foo"
+```
+
+```js
+/*eslint no-restricted-imports: ["error", { paths: [{
+    name: "foo",
+    importNames: ["DisallowedObject"],
+    message: "Please import 'DisallowedObject' from '/bar/baz/' instead."
+}]}]*/
+
+import { AllowedObject as DisallowedObject } from "foo";
+```
+
+## When Not To Use It
+
+Don't use this rule or don't include a module in the list for this rule if you want to be able to import a module in your project without an ESLint error or warning.
diff --git a/eslint/docs/rules/no-restricted-modules.md b/eslint/docs/rules/no-restricted-modules.md
new file mode 100644
index 0000000..7f9c926
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-modules.md
@@ -0,0 +1,108 @@
+# Disallow Node.js modules (no-restricted-modules)
+
+A module in Node.js is a simple or complex functionality organized in a JavaScript file which can be reused throughout the Node.js
+application. The keyword `require` is used in Node.js/CommonJS to import modules into an application. This way you can have dynamic loading where the loaded module name isn't predefined /static, or where you conditionally load a module only if it's "truly required".
+
+Why would you want to restrict a module?
+
+Disallowing usage of specific Node.js modules can be useful if you want to limit the available methods a developer can use. For example, you can block usage of the `fs` module if you want to disallow file system access.
+
+## Rule Details
+
+This rule allows you to specify modules that you don’t want to use in your application.
+
+## Options
+
+The rule takes one or more strings as options: the names of restricted modules.
+
+```json
+"no-restricted-modules": ["error", "foo-module", "bar-module"]
+```
+
+It can also take an object with lists of `paths` and gitignore-style `patterns` strings.
+
+```json
+"no-restricted-modules": ["error", { "paths": ["foo-module", "bar-module"] }]
+```
+
+```json
+"no-restricted-modules": ["error", {
+    "paths": ["foo-module", "bar-module"],
+    "patterns": ["foo-module/private/*", "bar-module/*","!baz-module/good"]
+}]
+```
+
+You may also specify a custom message for any paths you want to restrict as follows:
+
+```json
+"no-restricted-modules": ["error", {
+  "name": "foo-module",
+  "message": "Please use bar-module instead."
+  }
+]
+```
+
+or like this:
+
+```json
+"no-restricted-modules": ["error",{
+"paths":[{
+  "name": "foo-module",
+  "message": "Please use bar-module instead."
+  }]
+}]
+```
+
+The custom message will be appended to the default error message. Please note that you may not specify custom error messages for restricted patterns as a particular module may match more than one pattern.
+
+
+To restrict the use of all Node.js core modules (via https://github.com/nodejs/node/tree/master/lib):
+
+```json
+{
+    "no-restricted-modules": ["error",
+        "assert","buffer","child_process","cluster","crypto","dgram","dns","domain","events","freelist","fs","http","https","module","net","os","path","punycode","querystring","readline","repl","smalloc","stream","string_decoder","sys","timers","tls","tracing","tty","url","util","vm","zlib"
+    ]
+}
+```
+
+## Examples
+
+Examples of **incorrect** code for this rule  with sample `"fs", "cluster", "lodash"` restricted modules:
+
+```js
+/*eslint no-restricted-modules: ["error", "fs", "cluster"]*/
+
+var fs = require('fs');
+var cluster = require('cluster');
+```
+
+```js
+/*eslint no-restricted-modules: ["error", {"paths": ["cluster"] }]*/
+
+var cluster = require('cluster');
+```
+
+```js
+/*eslint no-restricted-modules: ["error", { "patterns": ["lodash/*"] }]*/
+
+var pick = require('lodash/pick');
+```
+
+Examples of **correct** code for this rule with sample `"fs", "cluster", "lodash"` restricted modules:
+
+```js
+/*eslint no-restricted-modules: ["error", "fs", "cluster"]*/
+
+var crypto = require('crypto');
+```
+
+```js
+/*eslint no-restricted-modules: ["error", {
+    "paths": ["fs", "cluster"],
+    "patterns": ["lodash/*", "!lodash/pick"]
+}]*/
+
+var crypto = require('crypto');
+var pick = require('lodash/pick');
+```
diff --git a/eslint/docs/rules/no-restricted-properties.md b/eslint/docs/rules/no-restricted-properties.md
new file mode 100644
index 0000000..e1824d5
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-properties.md
@@ -0,0 +1,125 @@
+# disallow certain object properties (no-restricted-properties)
+
+Certain properties on objects may be disallowed in a codebase. This is useful for deprecating an API or restricting usage of a module's methods. For example, you may want to disallow using `describe.only` when using Mocha or telling people to use `Object.assign` instead of `_.extend`.
+
+
+## Rule Details
+
+This rule looks for accessing a given property key on a given object name, either when reading the property's value or invoking it as a function. You may specify an optional message to indicate an alternative API or a reason for the restriction.
+
+### Options
+
+This rule takes a list of objects, where the object name and property names are specified:
+
+```json
+{
+    "rules": {
+        "no-restricted-properties": [2, {
+            "object": "disallowedObjectName",
+            "property": "disallowedPropertyName"
+        }]
+    }
+}
+```
+
+Multiple object/property values can be disallowed, and you can specify an optional message:
+
+```json
+{
+    "rules": {
+        "no-restricted-properties": [2, {
+            "object": "disallowedObjectName",
+            "property": "disallowedPropertyName"
+        }, {
+            "object": "disallowedObjectName",
+            "property": "anotherDisallowedPropertyName",
+            "message": "Please use allowedObjectName.allowedPropertyName."
+        }]
+    }
+}
+```
+
+If the object name is omitted, the property is disallowed for all objects:
+
+```json
+{
+    "rules": {
+        "no-restricted-properties": [2, {
+            "property": "__defineGetter__",
+            "message": "Please use Object.defineProperty instead."
+        }]
+    }
+}
+```
+
+If the property name is omitted, accessing any property of the given object is disallowed:
+
+```json
+{
+    "rules": {
+        "no-restricted-properties": [2, {
+            "object": "require",
+            "message": "Please call require() directly."
+        }]
+    }
+}
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint no-restricted-properties: [2, {
+    "object": "disallowedObjectName",
+    "property": "disallowedPropertyName"
+}] */
+
+var example = disallowedObjectName.disallowedPropertyName; /*error Disallowed object property: disallowedObjectName.disallowedPropertyName.*/
+
+disallowedObjectName.disallowedPropertyName(); /*error Disallowed object property: disallowedObjectName.disallowedPropertyName.*/
+```
+
+```js
+/* eslint no-restricted-properties: [2, {
+    "property": "__defineGetter__"
+}] */
+
+foo.__defineGetter__(bar, baz);
+```
+
+```js
+/* eslint no-restricted-properties: [2, {
+    "object": "require"
+}] */
+
+require.resolve('foo');
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint no-restricted-properties: [2, {
+    "object": "disallowedObjectName",
+    "property": "disallowedPropertyName"
+}] */
+
+var example = disallowedObjectName.somePropertyName;
+
+allowedObjectName.disallowedPropertyName();
+```
+
+```js
+/* eslint no-restricted-properties: [2, {
+    "object": "require"
+}] */
+
+require('foo');
+```
+
+## When Not To Use It
+
+If you don't have any object/property combinations to restrict, you should not use this rule.
+
+## Related Rules
+
+* [no-restricted-globals](no-restricted-globals.md)
+* [no-restricted-syntax](no-restricted-syntax.md)
diff --git a/eslint/docs/rules/no-restricted-syntax.md b/eslint/docs/rules/no-restricted-syntax.md
new file mode 100644
index 0000000..0665167
--- /dev/null
+++ b/eslint/docs/rules/no-restricted-syntax.md
@@ -0,0 +1,84 @@
+# disallow specified syntax (no-restricted-syntax)
+
+JavaScript has a lot of language features, and not everyone likes all of them. As a result, some projects choose to disallow the use of certain language features altogether. For instance, you might decide to disallow the use of `try-catch` or `class`, or you might decide to disallow the use of the `in` operator.
+
+Rather than creating separate rules for every language feature you want to turn off, this rule allows you to configure the syntax elements you want to restrict use of. These elements are represented by their [ESTree](https://github.com/estree/estree) node types. For example, a function declaration is represented by `FunctionDeclaration` and the `with` statement is represented by `WithStatement`. You may find the full list of AST node names you can use [on GitHub](https://github.com/eslint/espree/blob/master/lib/ast-node-types.js) and use [AST Explorer](https://astexplorer.net/) with the espree parser to see what type of nodes your code consists of.
+
+You can also specify [AST selectors](../developer-guide/selectors) to restrict, allowing much more precise control over syntax patterns.
+
+## Rule Details
+
+This rule disallows specified (that is, user-defined) syntax.
+
+## Options
+
+This rule takes a list of strings, where each string is an AST selector:
+
+```json
+{
+    "rules": {
+        "no-restricted-syntax": ["error", "FunctionExpression", "WithStatement", "BinaryExpression[operator='in']"]
+    }
+}
+```
+
+Alternatively, the rule also accepts objects, where the selector and an optional custom message are specified:
+
+```json
+{
+    "rules": {
+        "no-restricted-syntax": [
+            "error",
+            {
+                "selector": "FunctionExpression",
+                "message": "Function expressions are not allowed."
+            },
+            {
+                "selector": "CallExpression[callee.name='setTimeout'][arguments.length!=2]",
+                "message": "setTimeout must always be invoked with two arguments."
+            }
+        ]
+    }
+}
+```
+
+If a custom message is specified with the `message` property, ESLint will use that message when reporting occurrences of the syntax specified in the `selector` property.
+
+The string and object formats can be freely mixed in the configuration as needed.
+
+Examples of **incorrect** code for this rule with the `"FunctionExpression", "WithStatement", BinaryExpression[operator='in']` options:
+
+```js
+/* eslint no-restricted-syntax: ["error", "FunctionExpression", "WithStatement", "BinaryExpression[operator='in']"] */
+
+with (me) {
+    dontMess();
+}
+
+var doSomething = function () {};
+
+foo in bar;
+```
+
+Examples of **correct** code for this rule with the `"FunctionExpression", "WithStatement", BinaryExpression[operator='in']` options:
+
+```js
+/* eslint no-restricted-syntax: ["error", "FunctionExpression", "WithStatement", "BinaryExpression[operator='in']"] */
+
+me.dontMess();
+
+function doSomething() {};
+
+foo instanceof bar;
+```
+
+## When Not To Use It
+
+If you don't want to restrict your code from using any JavaScript features or syntax, you should not use this rule.
+
+## Related Rules
+
+* [no-alert](no-alert.md)
+* [no-console](no-console.md)
+* [no-debugger](no-debugger.md)
+* [no-restricted-properties](no-restricted-properties.md)
diff --git a/eslint/docs/rules/no-return-assign.md b/eslint/docs/rules/no-return-assign.md
new file mode 100644
index 0000000..781d597
--- /dev/null
+++ b/eslint/docs/rules/no-return-assign.md
@@ -0,0 +1,102 @@
+# Disallow Assignment in return Statement (no-return-assign)
+
+One of the interesting, and sometimes confusing, aspects of JavaScript is that assignment can happen at almost any point. Because of this, an errant equals sign can end up causing assignment when the true intent was to do a comparison. This is especially true when using a `return` statement. For example:
+
+```js
+function doSomething() {
+    return foo = bar + 2;
+}
+```
+
+It is difficult to tell the intent of the `return` statement here. It's possible that the function is meant to return the result of `bar + 2`, but then why is it assigning to `foo`? It's also possible that the intent was to use a comparison operator such as `==` and that this code is an error.
+
+Because of this ambiguity, it's considered a best practice to not use assignment in `return` statements.
+
+## Rule Details
+
+This rule aims to eliminate assignments from `return` statements. As such, it will warn whenever an assignment is found as part of `return`.
+
+## Options
+
+The rule takes one option, a string, which must contain one of the following values:
+
+* `except-parens` (default): Disallow assignments unless they are enclosed in parentheses.
+* `always`: Disallow all assignments.
+
+### except-parens
+
+This is the default option.
+It disallows assignments unless they are enclosed in parentheses.
+
+Examples of **incorrect** code for the default `"except-parens"` option:
+
+```js
+/*eslint no-return-assign: "error"*/
+
+function doSomething() {
+    return foo = bar + 2;
+}
+
+function doSomething() {
+    return foo += 2;
+}
+```
+
+Examples of **correct** code for the default `"except-parens"` option:
+
+```js
+/*eslint no-return-assign: "error"*/
+
+function doSomething() {
+    return foo == bar + 2;
+}
+
+function doSomething() {
+    return foo === bar + 2;
+}
+
+function doSomething() {
+    return (foo = bar + 2);
+}
+```
+
+### always
+
+This option disallows all assignments in `return` statements.
+All assignments are treated as problems.
+
+Examples of **incorrect** code for the `"always"` option:
+
+```js
+/*eslint no-return-assign: ["error", "always"]*/
+
+function doSomething() {
+    return foo = bar + 2;
+}
+
+function doSomething() {
+    return foo += 2;
+}
+
+function doSomething() {
+    return (foo = bar + 2);
+}
+```
+
+Examples of **correct** code for the `"always"` option:
+
+```js
+/*eslint no-return-assign: ["error", "always"]*/
+
+function doSomething() {
+    return foo == bar + 2;
+}
+
+function doSomething() {
+    return foo === bar + 2;
+}
+```
+
+## When Not To Use It
+
+If you want to allow the use of assignment operators in a `return` statement, then you can safely disable this rule.
diff --git a/eslint/docs/rules/no-return-await.md b/eslint/docs/rules/no-return-await.md
new file mode 100644
index 0000000..a79a46d
--- /dev/null
+++ b/eslint/docs/rules/no-return-await.md
@@ -0,0 +1,51 @@
+# Disallows unnecessary `return await` (no-return-await)
+
+Inside an `async function`, `return await` is seldom useful. Since the return value of an `async function` is always wrapped in `Promise.resolve`, `return await` doesn’t actually do anything except add extra time before the overarching Promise resolves or rejects. The only valid exception is if `return await` is used in a try/catch statement to catch errors from another Promise-based function.
+
+## Rule Details
+
+This rule aims to prevent a likely common performance hazard due to a lack of understanding of the semantics of `async function`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+async function foo() {
+    return await bar();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+async function foo() {
+    return bar();
+}
+
+async function foo() {
+    await bar();
+    return;
+}
+
+async function foo() {
+    const x = await bar();
+    return x;
+}
+
+async function foo() {
+    try {
+        return await bar();
+    } catch (error) {}
+}
+```
+
+In the last example the `await` is necessary to be able to catch errors thrown from `bar()`.
+
+## When Not To Use It
+
+If you want to use `await` to denote a value that is a thenable, even when it is not necessary; or if you do not want the performance benefit of avoiding `return await`, you can turn off this rule.
+
+## Further Reading
+
+[`async function` on MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function)
+
+[`await vs return vs return await` by Jake Archibald](https://jakearchibald.com/2017/await-vs-return-vs-return-await/)
diff --git a/eslint/docs/rules/no-script-url.md b/eslint/docs/rules/no-script-url.md
new file mode 100644
index 0000000..475959d
--- /dev/null
+++ b/eslint/docs/rules/no-script-url.md
@@ -0,0 +1,21 @@
+# Disallow Script URLs (no-script-url)
+
+Using `javascript:` URLs is considered by some as a form of `eval`. Code passed in `javascript:` URLs has to be parsed and evaluated by the browser in the same way that `eval` is processed.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-script-url: "error"*/
+
+location.href = "javascript:void(0)";
+```
+
+## Compatibility
+
+* **JSHint**: This rule corresponds to `scripturl` rule of JSHint.
+
+## Further Reading
+
+* [What is the matter with script-targeted URLs?](https://stackoverflow.com/questions/13497971/what-is-the-matter-with-script-targeted-urls)
diff --git a/eslint/docs/rules/no-self-assign.md b/eslint/docs/rules/no-self-assign.md
new file mode 100644
index 0000000..2991504
--- /dev/null
+++ b/eslint/docs/rules/no-self-assign.md
@@ -0,0 +1,86 @@
+# Disallow Self Assignment (no-self-assign)
+
+Self assignments have no effect, so probably those are an error due to incomplete refactoring.
+Those indicate that what you should do is still remaining.
+
+```js
+foo = foo;
+[bar, baz] = [bar, qiz];
+```
+
+## Rule Details
+
+This rule is aimed at eliminating self assignments.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-self-assign: "error"*/
+
+foo = foo;
+
+[a, b] = [a, b];
+
+[a, ...b] = [x, ...b];
+
+({a, b} = {a, x});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-self-assign: "error"*/
+
+foo = bar;
+[a, b] = [b, a];
+
+// This pattern is warned by the `no-use-before-define` rule.
+let foo = foo;
+
+// The default values have an effect.
+[foo = 1] = [foo];
+
+// non-self-assignments with properties.
+obj.a = obj.b;
+obj.a.b = obj.c.b;
+obj.a.b = obj.a.c;
+obj[a] = obj["a"];
+
+// This ignores if there is a function call.
+obj.a().b = obj.a().b;
+a().b = a().b;
+
+// Known limitation: this does not support computed properties except single literal or single identifier.
+obj[a + b] = obj[a + b];
+obj["a" + "b"] = obj["a" + "b"];
+```
+
+## Options
+
+This rule has the option to check properties as well.
+
+```json
+{
+    "no-self-assign": ["error", {"props": true}]
+}
+```
+
+- `props` - if this is `true`, `no-self-assign` rule warns self-assignments of properties. Default is `true`.
+
+### props
+
+Examples of **correct** code with the `{ "props": false }` option:
+
+```js
+/*eslint no-self-assign: ["error", {"props": false}]*/
+
+// self-assignments with properties.
+obj.a = obj.a;
+obj.a.b = obj.a.b;
+obj["a"] = obj["a"];
+obj[a] = obj[a];
+```
+
+## When Not To Use It
+
+If you don't want to notify about self assignments, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/no-self-compare.md b/eslint/docs/rules/no-self-compare.md
new file mode 100644
index 0000000..a745de4
--- /dev/null
+++ b/eslint/docs/rules/no-self-compare.md
@@ -0,0 +1,20 @@
+# Disallow Self Compare (no-self-compare)
+
+Comparing a variable against itself is usually an error, either a typo or refactoring error. It is confusing to the reader and may potentially introduce a runtime error.
+
+The only time you would compare a variable against itself is when you are testing for `NaN`. However, it is far more appropriate to use `typeof x === 'number' && isNaN(x)` or the [Number.isNaN ES2015 function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN) for that use case rather than leaving the reader of the code to determine the intent of self comparison.
+
+## Rule Details
+
+This error is raised to highlight a potentially confusing and potentially pointless piece of code. There are almost no situations in which you would need to compare something to itself.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-self-compare: "error"*/
+
+var x = 10;
+if (x === x) {
+    x = 20;
+}
+```
diff --git a/eslint/docs/rules/no-sequences.md b/eslint/docs/rules/no-sequences.md
new file mode 100644
index 0000000..602a412
--- /dev/null
+++ b/eslint/docs/rules/no-sequences.md
@@ -0,0 +1,77 @@
+# Disallow Use of the Comma Operator (no-sequences)
+
+The comma operator includes multiple expressions where only one is expected. It evaluates each operand from left to right and returns the value of the last operand. However, this frequently obscures side effects, and its use is often an accident. Here are some examples of sequences:
+
+```js
+var a = (3, 5); // a = 5
+
+a = b += 5, a + b;
+
+while (a = next(), a && a.length);
+
+(0, eval)("doSomething();");
+```
+
+## Rule Details
+
+This rule forbids the use of the comma operator, with the following exceptions:
+
+* In the initialization or update portions of a `for` statement.
+* If the expression sequence is explicitly wrapped in parentheses.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-sequences: "error"*/
+
+foo = doSomething(), val;
+
+0, eval("doSomething();");
+
+do {} while (doSomething(), !!test);
+
+for (; doSomething(), !!test; );
+
+if (doSomething(), !!test);
+
+switch (val = foo(), val) {}
+
+while (val = foo(), val < 42);
+
+with (doSomething(), val) {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-sequences: "error"*/
+
+foo = (doSomething(), val);
+
+(0, eval)("doSomething();");
+
+do {} while ((doSomething(), !!test));
+
+for (i = 0, j = 10; i < j; i++, j--);
+
+if ((doSomething(), !!test));
+
+switch ((val = foo(), val)) {}
+
+while ((val = foo(), val < 42));
+
+with ((doSomething(), val)) {}
+```
+
+## When Not To Use It
+
+Disable this rule if sequence expressions with the comma operator are acceptable.
+Another case is where you might want to report all usages of the comma operator, even if they are wrapped in parentheses or in a for loop. You can achieve this using rule `no-restricted-syntax`:
+
+```js
+{
+    "rules": {
+        "no-restricted-syntax": ["error", "SequenceExpression"]
+    }
+}
+```
diff --git a/eslint/docs/rules/no-setter-return.md b/eslint/docs/rules/no-setter-return.md
new file mode 100644
index 0000000..5308974
--- /dev/null
+++ b/eslint/docs/rules/no-setter-return.md
@@ -0,0 +1,101 @@
+# Disallow returning values from setters (no-setter-return)
+
+Setters cannot return values.
+
+While returning a value from a setter does not produce an error, the returned value is being ignored. Therefore, returning a value from a setter is either unnecessary or a possible error, since the returned value cannot be used.
+
+## Rule Details
+
+This rule disallows returning values from setters and reports `return` statements in setter functions.
+
+Only `return` without a value is allowed, as it's a control flow statement.
+
+This rule checks setters in:
+
+* Object literals.
+* Class declarations and class expressions.
+* Property descriptors in `Object.create`, `Object.defineProperty`, `Object.defineProperties`, and `Reflect.defineProperty` methods of the global objects.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-setter-return: "error"*/
+
+var foo = {
+    set a(value) {
+        this.val = value;
+        return value;
+    }
+};
+
+class Foo {
+    set a(value) {
+        this.val = value * 2;
+        return this.val;
+    }
+}
+
+const Bar = class {
+    static set a(value) {
+        if (value < 0) {
+            this.val = 0;
+            return 0;
+        }
+        this.val = value;
+    }
+};
+
+Object.defineProperty(foo, "bar", {
+    set(value) {
+        if (value < 0) {
+            return false;
+        }
+        this.val = value;
+    }
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-setter-return: "error"*/
+
+var foo = {
+    set a(value) {
+        this.val = value;
+    }
+};
+
+class Foo {
+    set a(value) {
+        this.val = value * 2;
+    }
+}
+
+const Bar = class {
+    static set a(value) {
+        if (value < 0) {
+            this.val = 0;
+            return;
+        }
+        this.val = value;
+    }
+};
+
+Object.defineProperty(foo, "bar", {
+    set(value) {
+        if (value < 0) {
+            throw new Error("Negative value.");
+        }
+        this.val = value;
+    }
+});
+```
+
+## Further Reading
+
+* [MDN setter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set)
+
+## Related Rules
+
+* [getter-return](getter-return.md)
diff --git a/eslint/docs/rules/no-shadow-restricted-names.md b/eslint/docs/rules/no-shadow-restricted-names.md
new file mode 100644
index 0000000..890353d
--- /dev/null
+++ b/eslint/docs/rules/no-shadow-restricted-names.md
@@ -0,0 +1,47 @@
+# Disallow Shadowing of Restricted Names (no-shadow-restricted-names)
+
+ES5 §15.1.1 Value Properties of the Global Object (`NaN`, `Infinity`, `undefined`) as well as strict mode restricted identifiers `eval` and `arguments` are considered to be restricted names in JavaScript. Defining them to mean something else can have unintended consequences and confuse others reading the code. For example, there's nothing preventing you from writing:
+
+```js
+var undefined = "foo";
+```
+
+Then any code used within the same scope would not get the global `undefined`, but rather the local version with a very different meaning.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-shadow-restricted-names: "error"*/
+
+function NaN(){}
+
+!function(Infinity){};
+
+var undefined = 5;
+
+try {} catch(eval){}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-shadow-restricted-names: "error"*/
+
+var Object;
+
+function f(a, b){}
+
+// Exception: `undefined` may be shadowed if the variable is never assigned a value.
+var undefined;
+```
+
+## Further Reading
+
+* [Annotated ES5 - §15.1.1](https://es5.github.io/#x15.1.1)
+* [Annotated ES5 - Annex C](https://es5.github.io/#C)
+
+## Related Rules
+
+* [no-shadow](no-shadow.md)
diff --git a/eslint/docs/rules/no-shadow.md b/eslint/docs/rules/no-shadow.md
new file mode 100644
index 0000000..3bf9783
--- /dev/null
+++ b/eslint/docs/rules/no-shadow.md
@@ -0,0 +1,173 @@
+# disallow variable declarations from shadowing variables declared in the outer scope (no-shadow)
+
+Shadowing is the process by which a local variable shares the same name as a variable in its containing scope. For example:
+
+```js
+var a = 3;
+function b() {
+    var a = 10;
+}
+```
+
+In this case, the variable `a` inside of `b()` is shadowing the variable `a` in the global scope. This can cause confusion while reading the code and it's impossible to access the global variable.
+
+## Rule Details
+
+This rule aims to eliminate shadowed variable declarations.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-shadow: "error"*/
+/*eslint-env es6*/
+
+var a = 3;
+function b() {
+    var a = 10;
+}
+
+var b = function () {
+    var a = 10;
+}
+
+function b(a) {
+    a = 10;
+}
+b(a);
+
+if (true) {
+    let a = 5;
+}
+```
+
+## Options
+
+This rule takes one option, an object, with properties `"builtinGlobals"`, `"hoist"` and `"allow"`.
+
+```json
+{
+    "no-shadow": ["error", { "builtinGlobals": false, "hoist": "functions", "allow": [] }]
+}
+```
+
+### builtinGlobals
+
+The `builtinGlobals` option is `false` by default.
+If it is `true`, the rule prevents shadowing of built-in global variables: `Object`, `Array`, `Number`, and so on.
+
+Examples of **incorrect** code for the `{ "builtinGlobals": true }` option:
+
+```js
+/*eslint no-shadow: ["error", { "builtinGlobals": true }]*/
+
+function foo() {
+    var Object = 0;
+}
+```
+
+### hoist
+
+The `hoist` option has three settings:
+
+* `functions` (by default) - reports shadowing before the outer functions are defined.
+* `all` - reports all shadowing before the outer variables/functions are defined.
+* `never` - never report shadowing before the outer variables/functions are defined.
+
+#### hoist: functions
+
+Examples of **incorrect** code for the default `{ "hoist": "functions" }` option:
+
+```js
+/*eslint no-shadow: ["error", { "hoist": "functions" }]*/
+/*eslint-env es6*/
+
+if (true) {
+    let b = 6;
+}
+
+function b() {}
+```
+
+Although `let b` in the `if` statement is before the *function* declaration in the outer scope, it is incorrect.
+
+Examples of **correct** code for the default `{ "hoist": "functions" }` option:
+
+```js
+/*eslint no-shadow: ["error", { "hoist": "functions" }]*/
+/*eslint-env es6*/
+
+if (true) {
+    let a = 3;
+}
+
+let a = 5;
+```
+
+Because `let a` in the `if` statement is before the *variable* declaration in the outer scope, it is correct.
+
+#### hoist: all
+
+Examples of **incorrect** code for the `{ "hoist": "all" }` option:
+
+```js
+/*eslint no-shadow: ["error", { "hoist": "all" }]*/
+/*eslint-env es6*/
+
+if (true) {
+    let a = 3;
+    let b = 6;
+}
+
+let a = 5;
+function b() {}
+```
+
+#### hoist: never
+
+Examples of **correct** code for the `{ "hoist": "never" }` option:
+
+```js
+/*eslint no-shadow: ["error", { "hoist": "never" }]*/
+/*eslint-env es6*/
+
+if (true) {
+    let a = 3;
+    let b = 6;
+}
+
+let a = 5;
+function b() {}
+```
+
+Because `let a` and `let b` in the `if` statement are before the declarations in the outer scope, they are correct.
+
+### allow
+
+The `allow` option is an array of identifier names for which shadowing is allowed. For example, `"resolve"`, `"reject"`, `"done"`, `"cb"`.
+
+Examples of **correct** code for the `{ "allow": ["done"] }` option:
+
+```js
+/*eslint no-shadow: ["error", { "allow": ["done"] }]*/
+/*eslint-env es6*/
+
+import async from 'async';
+
+function foo(done) {
+  async.map([1, 2], function (e, done) {
+    done(null, e * 2)
+  }, done);
+}
+
+foo(function (err, result) {
+  console.log({ err, result });
+});
+```
+
+## Further Reading
+
+* [Variable Shadowing](https://en.wikipedia.org/wiki/Variable_shadowing)
+
+## Related Rules
+
+* [no-shadow-restricted-names](no-shadow-restricted-names.md)
diff --git a/eslint/docs/rules/no-space-before-semi.md b/eslint/docs/rules/no-space-before-semi.md
new file mode 100644
index 0000000..2e142dd
--- /dev/null
+++ b/eslint/docs/rules/no-space-before-semi.md
@@ -0,0 +1,43 @@
+# no-space-before-semi: disallow spaces before semicolons
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [semi-spacing](semi-spacing.md) rule.
+
+JavaScript allows for placing unnecessary spaces between an expression and the closing semicolon.
+
+Space issues can also cause code to look inconsistent and harder to read.
+
+```js
+var thing = function () {
+  var test = 12 ;
+}  ;
+```
+
+## Rule Details
+
+This rule prevents the use of spaces before a semicolon in expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+var foo = "bar" ;
+
+var foo = function() {} ;
+
+var foo = function() {
+} ;
+
+var foo = 1 + 2 ;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+;(function(){}());
+
+var foo = "bar";
+```
+
+## Related Rules
+
+* [semi](semi.md)
+* [no-extra-semi](no-extra-semi.md)
diff --git a/eslint/docs/rules/no-spaced-func.md b/eslint/docs/rules/no-spaced-func.md
new file mode 100644
index 0000000..d424049
--- /dev/null
+++ b/eslint/docs/rules/no-spaced-func.md
@@ -0,0 +1,28 @@
+# disallow spacing between function identifiers and their applications (no-spaced-func)
+
+This rule was **deprecated** in ESLint v3.3.0 and replaced by the [func-call-spacing](func-call-spacing.md) rule.
+
+While it's possible to have whitespace between the name of a function and the parentheses that execute it, such patterns tend to look more like errors.
+
+## Rule Details
+
+This rule disallows spacing between function identifiers and their applications.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-spaced-func: "error"*/
+
+fn ()
+
+fn
+()
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-spaced-func: "error"*/
+
+fn()
+```
diff --git a/eslint/docs/rules/no-sparse-arrays.md b/eslint/docs/rules/no-sparse-arrays.md
new file mode 100644
index 0000000..826cfd8
--- /dev/null
+++ b/eslint/docs/rules/no-sparse-arrays.md
@@ -0,0 +1,50 @@
+# disallow sparse arrays (no-sparse-arrays)
+
+Sparse arrays contain empty slots, most frequently due to multiple commas being used in an array literal, such as:
+
+```js
+var items = [,,];
+```
+
+While the `items` array in this example has a `length` of 2, there are actually no values in `items[0]` or `items[1]`. The fact that the array literal is valid with only commas inside, coupled with the `length` being set and actual item values not being set, make sparse arrays confusing for many developers. Consider the following:
+
+```js
+var colors = [ "red",, "blue" ];
+```
+
+In this example, the `colors` array has a `length` of 3. But did the developer intend for there to be an empty spot in the middle of the array? Or is it a typo?
+
+The confusion around sparse arrays defined in this manner is enough that it's recommended to avoid using them unless you are certain that they are useful in your code.
+
+## Rule Details
+
+This rule disallows sparse array literals which have "holes" where commas are not preceded by elements. It does not apply to a trailing comma following the last element.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-sparse-arrays: "error"*/
+
+var items = [,];
+var colors = [ "red",, "blue" ];
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-sparse-arrays: "error"*/
+
+var items = [];
+var items = new Array(23);
+
+// trailing comma (after the last element) is not a problem
+var colors = [ "red", "blue", ];
+```
+
+## When Not To Use It
+
+If you want to use sparse arrays, then it is safe to disable this rule.
+
+## Further Reading
+
+* [Inconsistent array literals](https://www.nczonline.net/blog/2007/09/09/inconsistent-array-literals/)
diff --git a/eslint/docs/rules/no-sync.md b/eslint/docs/rules/no-sync.md
new file mode 100644
index 0000000..50ab515
--- /dev/null
+++ b/eslint/docs/rules/no-sync.md
@@ -0,0 +1,59 @@
+# Disallow Synchronous Methods (no-sync)
+
+In Node.js, most I/O is done through asynchronous methods. However, there are often synchronous versions of the asynchronous methods. For example, `fs.exists()` and `fs.existsSync()`. In some contexts, using synchronous operations is okay (if, as with ESLint, you are writing a command line utility). However, in other contexts the use of synchronous operations is considered a bad practice that should be avoided. For example, if you are running a high-travel web server on Node.js, you should consider carefully if you want to allow any synchronous operations that could lock up the server.
+
+## Rule Details
+
+This rule is aimed at preventing synchronous methods from being called in Node.js. It looks specifically for the method suffix "`Sync`" (as is the convention with Node.js operations).
+
+## Options
+
+This rule has an optional object option `{ allowAtRootLevel: <boolean> }`, which determines whether synchronous methods should be allowed at the top level of a file, outside of any functions. This option defaults to `false`.
+
+Examples of **incorrect** code for this rule with the default `{ allowAtRootLevel: false }` option:
+
+```js
+/*eslint no-sync: "error"*/
+
+fs.existsSync(somePath);
+
+function foo() {
+  var contents = fs.readFileSync(somePath).toString();
+}
+```
+
+Examples of **correct** code for this rule with the default `{ allowAtRootLevel: false }` option:
+
+```js
+/*eslint no-sync: "error"*/
+
+obj.sync();
+
+async(function() {
+    // ...
+});
+```
+
+Examples of **incorrect** code for this rule with the `{ allowAtRootLevel: true }` option
+
+```js
+/*eslint no-sync: ["error", { allowAtRootLevel: true }]*/
+
+function foo() {
+  var contents = fs.readFileSync(somePath).toString();
+}
+
+var bar = baz => fs.readFileSync(qux);
+```
+
+Examples of **correct** code for this rule with the `{ allowAtRootLevel: true }` option
+
+```js
+/*eslint no-sync: ["error", { allowAtRootLevel: true }]*/
+
+fs.readFileSync(somePath).toString();
+```
+
+## When Not To Use It
+
+If you want to allow synchronous operations in your script, do not enable this rule.
diff --git a/eslint/docs/rules/no-tabs.md b/eslint/docs/rules/no-tabs.md
new file mode 100644
index 0000000..4e02d9a
--- /dev/null
+++ b/eslint/docs/rules/no-tabs.md
@@ -0,0 +1,61 @@
+# disallow all tabs (no-tabs)
+
+Some style guides don't allow the use of tab characters at all, including within comments.
+
+## Rule Details
+
+This rule looks for tabs anywhere inside a file: code, comments or anything else.
+
+Examples of **incorrect** code for this rule:
+
+```js
+var a \t= 2;
+
+/**
+* \t\t it's a test function
+*/
+function test(){}
+
+var x = 1; // \t test
+```
+
+Examples of **correct** code for this rule:
+
+```js
+var a = 2;
+
+/**
+* it's a test function
+*/
+function test(){}
+
+var x = 1; // test
+```
+
+### Options
+
+This rule has an optional object option with the following properties:
+
+* `allowIndentationTabs` (default: false): If this is set to true, then the rule will not report tabs used for indentation.
+
+#### allowIndentationTabs
+
+Examples of **correct** code for this rule with the `allowIndentationTabs: true` option:
+
+```js
+/* eslint no-tabs: ["error", { allowIndentationTabs: true }] */
+
+function test() {
+\tdoSomething();
+}
+
+\t// comment with leading indentation tab
+```
+
+## When Not To Use It
+
+If you have established a standard where having tabs is fine, then you can disable this rule.
+
+## Compatibility
+
+* **JSCS**: [disallowTabs](https://jscs-dev.github.io/rule/disallowTabs)
diff --git a/eslint/docs/rules/no-template-curly-in-string.md b/eslint/docs/rules/no-template-curly-in-string.md
new file mode 100644
index 0000000..9c03b67
--- /dev/null
+++ b/eslint/docs/rules/no-template-curly-in-string.md
@@ -0,0 +1,33 @@
+# Disallow template literal placeholder syntax in regular strings (no-template-curly-in-string)
+
+ECMAScript 6 allows programmers to create strings containing variable or expressions using template literals, instead of string concatenation, by writing expressions like `${variable}` between two backtick quotes (\`). It can be easy to use the wrong quotes when wanting to use template literals, by writing `"${variable}"`, and end up with the literal value `"${variable}"` instead of a string containing the value of the injected expressions.
+
+
+## Rule Details
+
+This rule aims to warn when a regular string contains what looks like a template literal placeholder. It will warn when it finds a string containing the template literal placeholder (`${something}`) that uses either `"` or `'` for the quotes.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-template-curly-in-string: "error"*/
+"Hello ${name}!";
+'Hello ${name}!';
+"Time: ${12 * 60 * 60 * 1000}";
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-template-curly-in-string: "error"*/
+`Hello ${name}!`;
+`Time: ${12 * 60 * 60 * 1000}`;
+
+templateFunction`Hello ${name}`;
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
diff --git a/eslint/docs/rules/no-ternary.md b/eslint/docs/rules/no-ternary.md
new file mode 100644
index 0000000..3c95f82
--- /dev/null
+++ b/eslint/docs/rules/no-ternary.md
@@ -0,0 +1,50 @@
+# disallow ternary operators (no-ternary)
+
+The ternary operator is used to conditionally assign a value to a variable. Some believe that the use of ternary operators leads to unclear code.
+
+```js
+var foo = isBar ? baz : qux;
+```
+
+## Rule Details
+
+This rule disallows ternary operators.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-ternary: "error"*/
+
+var foo = isBar ? baz : qux;
+
+function quux() {
+  return foo ? bar() : baz();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-ternary: "error"*/
+
+var foo;
+
+if (isBar) {
+    foo = baz;
+} else {
+    foo = qux;
+}
+
+function quux() {
+    if (foo) {
+        return bar();
+    } else {
+        return baz();
+    }
+}
+```
+
+## Related Rules
+
+* [no-nested-ternary](no-nested-ternary.md)
+* [no-unneeded-ternary](no-unneeded-ternary.md)
diff --git a/eslint/docs/rules/no-this-before-super.md b/eslint/docs/rules/no-this-before-super.md
new file mode 100644
index 0000000..53223b7
--- /dev/null
+++ b/eslint/docs/rules/no-this-before-super.md
@@ -0,0 +1,75 @@
+# Disallow use of `this`/`super` before calling `super()` in constructors. (no-this-before-super)
+
+In the constructor of derived classes, if `this`/`super` are used before `super()` calls, it raises a reference error.
+
+This rule checks `this`/`super` keywords in constructors, then reports those that are before `super()`.
+
+## Rule Details
+
+This rule is aimed to flag `this`/`super` keywords before `super()` callings.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-this-before-super: "error"*/
+/*eslint-env es6*/
+
+class A extends B {
+    constructor() {
+        this.a = 0;
+        super();
+    }
+}
+
+class A extends B {
+    constructor() {
+        this.foo();
+        super();
+    }
+}
+
+class A extends B {
+    constructor() {
+        super.foo();
+        super();
+    }
+}
+
+class A extends B {
+    constructor() {
+        super(this.foo());
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-this-before-super: "error"*/
+/*eslint-env es6*/
+
+class A {
+    constructor() {
+        this.a = 0; // OK, this class doesn't have an `extends` clause.
+    }
+}
+
+class A extends B {
+    constructor() {
+        super();
+        this.a = 0; // OK, this is after `super()`.
+    }
+}
+
+class A extends B {
+    foo() {
+        this.a = 0; // OK. this is not in a constructor.
+    }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about using `this`/`super` before `super()` in constructors, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-throw-literal.md b/eslint/docs/rules/no-throw-literal.md
new file mode 100644
index 0000000..ecb19ed
--- /dev/null
+++ b/eslint/docs/rules/no-throw-literal.md
@@ -0,0 +1,77 @@
+# Restrict what can be thrown as an exception (no-throw-literal)
+
+It is considered good practice to only `throw` the `Error` object itself or an object using the `Error` object as base objects for user-defined exceptions.
+The fundamental benefit of `Error` objects is that they automatically keep track of where they were built and originated.
+
+This rule restricts what can be thrown as an exception.  When it was first created, it only prevented literals from being thrown (hence the name), but it has now been expanded to only allow expressions which have a possibility of being an `Error` object.
+
+## Rule Details
+
+This rule is aimed at maintaining consistency when throwing exception by disallowing to throw literals and other expressions which cannot possibly be an `Error` object.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-throw-literal: "error"*/
+/*eslint-env es6*/
+
+throw "error";
+
+throw 0;
+
+throw undefined;
+
+throw null;
+
+var err = new Error();
+throw "an " + err;
+// err is recast to a string literal
+
+var err = new Error();
+throw `${err}`
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-throw-literal: "error"*/
+
+throw new Error();
+
+throw new Error("error");
+
+var e = new Error("error");
+throw e;
+
+try {
+    throw new Error("error");
+} catch (e) {
+    throw e;
+}
+```
+
+## Known Limitations
+
+Due to the limits of static analysis, this rule cannot guarantee that you will only throw `Error` objects.
+
+Examples of **correct** code for this rule, but which do not throw an `Error` object:
+
+```js
+/*eslint no-throw-literal: "error"*/
+
+var err = "error";
+throw err;
+
+function foo(bar) {
+    console.log(bar);
+}
+throw foo("error");
+
+throw new String("error");
+
+var foo = {
+    bar: "error"
+};
+throw foo.bar;
+```
diff --git a/eslint/docs/rules/no-trailing-spaces.md b/eslint/docs/rules/no-trailing-spaces.md
new file mode 100644
index 0000000..e0724b7
--- /dev/null
+++ b/eslint/docs/rules/no-trailing-spaces.md
@@ -0,0 +1,63 @@
+# disallow trailing whitespace at the end of lines (no-trailing-spaces)
+
+Sometimes in the course of editing files, you can end up with extra whitespace at the end of lines. These whitespace differences can be picked up by source control systems and flagged as diffs, causing frustration for developers. While this extra whitespace causes no functional issues, many code conventions require that trailing spaces be removed before check-in.
+
+## Rule Details
+
+This rule disallows trailing whitespace (spaces, tabs, and other Unicode whitespace characters) at the end of lines.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-trailing-spaces: "error"*/
+
+var foo = 0;//•••••
+var baz = 5;//••
+//•••••
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-trailing-spaces: "error"*/
+
+var foo = 0;
+var baz = 5;
+```
+
+## Options
+
+This rule has an object option:
+
+* `"skipBlankLines": false` (default) disallows trailing whitespace on empty lines
+* `"skipBlankLines": true` allows trailing whitespace on empty lines
+* `"ignoreComments": false` (default) disallows trailing whitespace in comment blocks
+* `"ignoreComments": true` allows trailing whitespace in comment blocks
+
+### skipBlankLines
+
+Examples of **correct** code for this rule with the `{ "skipBlankLines": true }` option:
+
+```js
+/*eslint no-trailing-spaces: ["error", { "skipBlankLines": true }]*/
+
+var foo = 0;
+var baz = 5;
+//•••••
+```
+
+### ignoreComments
+
+Examples of **correct** code for this rule with the `{ "ignoreComments": true }` option:
+
+```js
+/*eslint no-trailing-spaces: ["error", { "ignoreComments": true }]*/
+
+//foo•
+//•••••
+/**
+ *•baz
+ *••
+ *•bar
+ */
+```
diff --git a/eslint/docs/rules/no-undef-init.md b/eslint/docs/rules/no-undef-init.md
new file mode 100644
index 0000000..10db58c
--- /dev/null
+++ b/eslint/docs/rules/no-undef-init.md
@@ -0,0 +1,111 @@
+# Disallow Initializing to undefined (no-undef-init)
+
+In JavaScript, a variable that is declared and not initialized to any value automatically gets the value of `undefined`. For example:
+
+```js
+var foo;
+
+console.log(foo === undefined);     // true
+```
+
+It's therefore unnecessary to initialize a variable to `undefined`, such as:
+
+```js
+var foo = undefined;
+```
+
+It's considered a best practice to avoid initializing variables to `undefined`.
+
+
+## Rule Details
+
+This rule aims to eliminate variable declarations that initialize to `undefined`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-undef-init: "error"*/
+/*eslint-env es6*/
+
+var foo = undefined;
+let bar = undefined;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-undef-init: "error"*/
+/*eslint-env es6*/
+
+var foo;
+let bar;
+const baz = undefined;
+```
+
+## When Not To Use It
+
+There is one situation where initializing to `undefined` behaves differently than omitting the initialization, and that's when a `var` declaration occurs inside of a loop. For example:
+
+Example of **incorrect** code for this rule:
+
+```js
+for (i = 0; i < 10; i++) {
+    var x = undefined;
+    console.log(x);
+    x = i;
+}
+```
+
+In this case, the `var x` is hoisted out of the loop, effectively creating:
+
+```js
+var x;
+
+for (i = 0; i < 10; i++) {
+    x = undefined;
+    console.log(x);
+    x = i;
+}
+```
+
+If you were to remove the initialization, then the behavior of the loop changes:
+
+```js
+for (i = 0; i < 10; i++) {
+    var x;
+    console.log(x);
+    x = i;
+}
+```
+
+This code is equivalent to:
+
+```js
+var x;
+
+for (i = 0; i < 10; i++) {
+    console.log(x);
+    x = i;
+}
+```
+
+This produces a different outcome than defining `var x = undefined` in the loop, as `x` is no longer reset to `undefined` each time through the loop.
+
+If you're using such an initialization inside of a loop, then you should disable this rule.
+
+Example of **correct** code for this rule, because it is disabled on a specific line:
+
+```js
+/*eslint no-undef-init: "error"*/
+
+for (i = 0; i < 10; i++) {
+    var x = undefined; // eslint-disable-line no-undef-init
+    console.log(x);
+    x = i;
+}
+```
+
+## Related Rules
+
+* [no-undefined](no-undefined.md)
+* [no-void](no-void.md)
diff --git a/eslint/docs/rules/no-undef.md b/eslint/docs/rules/no-undef.md
new file mode 100644
index 0000000..faaf978
--- /dev/null
+++ b/eslint/docs/rules/no-undef.md
@@ -0,0 +1,111 @@
+# Disallow Undeclared Variables (no-undef)
+
+This rule can help you locate potential ReferenceErrors resulting from misspellings of variable and parameter names, or accidental implicit globals (for example, from forgetting the `var` keyword in a `for` loop initializer).
+
+## Rule Details
+
+Any reference to an undeclared variable causes a warning, unless the variable is explicitly mentioned in a `/*global ...*/` comment, or specified in the [`globals` key in the configuration file](https://eslint.org/docs/user-guide/configuring#specifying-globals). A common use case for these is if you intentionally use globals that are defined elsewhere (e.g. in a script sourced from HTML).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-undef: "error"*/
+
+var foo = someFunction();
+var bar = a + 1;
+```
+
+Examples of **correct** code for this rule with `global` declaration:
+
+```js
+/*global someFunction, a*/
+/*eslint no-undef: "error"*/
+
+var foo = someFunction();
+var bar = a + 1;
+```
+
+Note that this rule does not disallow assignments to read-only global variables.
+See [no-global-assign](no-global-assign.md) if you also want to disallow those assignments.
+
+This rule also does not disallow redeclarations of global variables.
+See [no-redeclare](no-redeclare.md) if you also want to disallow those redeclarations.
+
+## Options
+
+* `typeof` set to true will warn for variables used inside typeof check (Default false).
+
+### typeof
+
+Examples of **correct** code for the default `{ "typeof": false }` option:
+
+```js
+/*eslint no-undef: "error"*/
+
+if (typeof UndefinedIdentifier === "undefined") {
+    // do something ...
+}
+```
+
+You can use this option if you want to prevent `typeof` check on a variable which has not been declared.
+
+Examples of **incorrect** code for the `{ "typeof": true }` option:
+
+```js
+/*eslint no-undef: ["error", { "typeof": true }] */
+
+if(typeof a === "string"){}
+```
+
+Examples of **correct** code for the `{ "typeof": true }` option with `global` declaration:
+
+```js
+/*global a*/
+/*eslint no-undef: ["error", { "typeof": true }] */
+
+if(typeof a === "string"){}
+```
+
+## Environments
+
+For convenience, ESLint provides shortcuts that pre-define global variables exposed by popular libraries and runtime environments. This rule supports these environments, as listed in [Specifying Environments](../user-guide/configuring.md#specifying-environments).  A few examples are given below.
+
+### browser
+
+Examples of **correct** code for this rule with `browser` environment:
+
+```js
+/*eslint no-undef: "error"*/
+/*eslint-env browser*/
+
+setTimeout(function() {
+    alert("Hello");
+});
+```
+
+### Node.js
+
+Examples of **correct** code for this rule with `node` environment:
+
+```js
+/*eslint no-undef: "error"*/
+/*eslint-env node*/
+
+var fs = require("fs");
+module.exports = function() {
+    console.log(fs);
+};
+```
+
+## When Not To Use It
+
+If explicit declaration of global variables is not to your taste.
+
+## Compatibility
+
+This rule provides compatibility with treatment of global variables in [JSHint](http://jshint.com/) and [JSLint](http://www.jslint.com).
+
+## Related Rules
+
+* [no-global-assign](no-global-assign.md)
+* [no-redeclare](no-redeclare.md)
diff --git a/eslint/docs/rules/no-undefined.md b/eslint/docs/rules/no-undefined.md
new file mode 100644
index 0000000..0e183f2
--- /dev/null
+++ b/eslint/docs/rules/no-undefined.md
@@ -0,0 +1,79 @@
+# Disallow Use of `undefined` Variable (no-undefined)
+
+The `undefined` variable in JavaScript is actually a property of the global object. As such, in ECMAScript 3 it was possible to overwrite the value of `undefined`. While ECMAScript 5 disallows overwriting `undefined`, it's still possible to shadow `undefined`, such as:
+
+```js
+function doSomething(data) {
+    var undefined = "hi";
+
+    // doesn't do what you think it does
+    if (data === undefined) {
+        // ...
+    }
+
+}
+```
+
+Because `undefined` can be overwritten or shadowed, reading `undefined` can give an unexpected value. (This is not the case for `null`, which is a keyword that always produces the same value.) To guard against this, you can avoid all uses of `undefined`, which is what some style guides recommend and what this rule enforces. Those style guides then also recommend:
+
+* Variables that should be `undefined` are simply left uninitialized. (All uninitialized variables automatically get the value of `undefined` in JavaScript.)
+* Checking if a value is `undefined` should be done with `typeof`.
+* Using the `void` operator to generate the value of `undefined` if necessary.
+
+As an alternative, you can use the [no-global-assign](no-global-assign.md) and [no-shadow-restricted-names](no-shadow-restricted-names.md) rules to prevent `undefined` from being shadowed or assigned a different value. This ensures that `undefined` will always hold its original, expected value.
+
+
+## Rule Details
+
+This rule aims to eliminate the use of `undefined`, and as such, generates a warning whenever it is used.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-undefined: "error"*/
+
+var foo = undefined;
+
+var undefined = "foo";
+
+if (foo === undefined) {
+    // ...
+}
+
+function foo(undefined) {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-undefined: "error"*/
+
+var foo = void 0;
+
+var Undefined = "foo";
+
+if (typeof foo === "undefined") {
+    // ...
+}
+
+global.undefined = "foo";
+```
+
+## When Not To Use It
+
+If you want to allow the use of `undefined` in your code, then you can safely turn this rule off.
+
+## Further Reading
+
+* [undefined - JavaScript \| MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined)
+* [Understanding JavaScript’s ‘undefined’ \| JavaScript, JavaScript...](https://javascriptweblog.wordpress.com/2010/08/16/understanding-undefined-and-preventing-referenceerrors/)
+* [ECMA262 edition 5.1 &sect;15.1.1.3: undefined](https://es5.github.io/#x15.1.1.3)
+
+## Related Rules
+
+* [no-undef-init](no-undef-init.md)
+* [no-void](no-void.md)
+* [no-shadow-restricted-names](no-shadow-restricted-names.md)
+* [no-global-assign](no-global-assign.md)
diff --git a/eslint/docs/rules/no-underscore-dangle.md b/eslint/docs/rules/no-underscore-dangle.md
new file mode 100644
index 0000000..ebe7fd7
--- /dev/null
+++ b/eslint/docs/rules/no-underscore-dangle.md
@@ -0,0 +1,118 @@
+# disallow dangling underscores in identifiers (no-underscore-dangle)
+
+As far as naming conventions for identifiers go, dangling underscores may be the most polarizing in JavaScript. Dangling underscores are underscores at either the beginning or end of an identifier, such as:
+
+```js
+var _foo;
+```
+
+There is actually a long history of using dangling underscores to indicate "private" members of objects in JavaScript (though JavaScript doesn't have truly private members, this convention served as a warning). This began with SpiderMonkey adding nonstandard methods such as `__defineGetter__()`. The intent with the underscores was to make it obvious that this method was special in some way. Since that time, using a single underscore prefix has become popular as a way to indicate "private" members of objects.
+
+Whether or not you choose to allow dangling underscores in identifiers is purely a convention and has no effect on performance, readability, or complexity. It's purely a preference.
+
+## Rule Details
+
+This rule disallows dangling underscores in identifiers.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-underscore-dangle: "error"*/
+
+var foo_;
+var __proto__ = {};
+foo._bar();
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-underscore-dangle: "error"*/
+
+var _ = require('underscore');
+var obj = _.contains(items, item);
+obj.__proto__ = {};
+var file = __filename;
+```
+
+## Options
+
+This rule has an object option:
+
+* `"allow"` allows specified identifiers to have dangling underscores
+* `"allowAfterThis": false` (default) disallows dangling underscores in members of the `this` object
+* `"allowAfterSuper": false` (default) disallows dangling underscores in members of the `super` object
+* `"allowAfterThisConstructor": false` (default) disallows dangling underscores in members of the `this.constructor` object
+* `"enforceInMethodNames": false` (default) allows dangling underscores in method names
+
+### allow
+
+Examples of additional **correct** code for this rule with the `{ "allow": ["foo_", "_bar"] }` option:
+
+```js
+/*eslint no-underscore-dangle: ["error", { "allow": ["foo_", "_bar"] }]*/
+
+var foo_;
+foo._bar();
+```
+
+### allowAfterThis
+
+Examples of **correct** code for this rule with the `{ "allowAfterThis": true }` option:
+
+```js
+/*eslint no-underscore-dangle: ["error", { "allowAfterThis": true }]*/
+
+var a = this.foo_;
+this._bar();
+```
+
+### allowAfterSuper
+
+Examples of **correct** code for this rule with the `{ "allowAfterSuper": true }` option:
+
+```js
+/*eslint no-underscore-dangle: ["error", { "allowAfterSuper": true }]*/
+
+var a = super.foo_;
+super._bar();
+```
+
+### allowAfterThisConstructor
+
+Examples of **correct** code for this rule with the `{ "allowAfterThisConstructor": true }` option:
+
+```js
+/*eslint no-underscore-dangle: ["error", { "allowAfterThisConstructor": true }]*/
+
+var a = this.constructor.foo_;
+this.constructor._bar();
+```
+
+### enforceInMethodNames
+
+Examples of **incorrect** code for this rule with the `{ "enforceInMethodNames": true }` option:
+
+```js
+/*eslint no-underscore-dangle: ["error", { "enforceInMethodNames": true }]*/
+
+class Foo {
+  _bar() {}
+}
+
+class Foo {
+  bar_() {}
+}
+
+const o = {
+  _bar() {}
+};
+
+const o = {
+  bar_() = {}
+};
+```
+
+## When Not To Use It
+
+If you want to allow dangling underscores in identifiers, then you can safely turn this rule off.
diff --git a/eslint/docs/rules/no-unexpected-multiline.md b/eslint/docs/rules/no-unexpected-multiline.md
new file mode 100644
index 0000000..a328f83
--- /dev/null
+++ b/eslint/docs/rules/no-unexpected-multiline.md
@@ -0,0 +1,74 @@
+# disallow confusing multiline expressions (no-unexpected-multiline)
+
+Semicolons are usually optional in JavaScript, because of automatic semicolon insertion (ASI). You can require or disallow semicolons with the [semi](./semi.md) rule.
+
+The rules for ASI are relatively straightforward: As once described by Isaac Schlueter, a newline character always ends a statement, just like a semicolon, **except** where one of the following is true:
+
+* The statement has an unclosed paren, array literal, or object literal or ends in some other way that is not a valid way to end a statement. (For instance, ending with `.` or `,`.)
+* The line is `--` or `++` (in which case it will decrement/increment the next token.)
+* It is a `for()`, `while()`, `do`, `if()`, or `else`, and there is no `{`
+* The next line starts with `[`, `(`, `+`, `*`, `/`, `-`, `,`, `.`, or some other binary operator that can only be found between two tokens in a single expression.
+
+In the exceptions where a newline does **not** end a statement, a typing mistake to omit a semicolon causes two unrelated consecutive lines to be interpreted as one expression. Especially for a coding style without semicolons, readers might overlook the mistake. Although syntactically correct, the code might throw exceptions when it is executed.
+
+## Rule Details
+
+This rule disallows confusing multiline expressions where a newline looks like it is ending a statement, but is not.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unexpected-multiline: "error"*/
+
+var foo = bar
+(1 || 2).baz();
+
+var hello = 'world'
+[1, 2, 3].forEach(addNumber);
+
+let x = function() {}
+`hello`
+
+let x = function() {}
+x
+`hello`
+
+let x = foo
+/regex/g.test(bar)
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unexpected-multiline: "error"*/
+
+var foo = bar;
+(1 || 2).baz();
+
+var foo = bar
+;(1 || 2).baz()
+
+var hello = 'world';
+[1, 2, 3].forEach(addNumber);
+
+var hello = 'world'
+void [1, 2, 3].forEach(addNumber);
+
+let x = function() {};
+`hello`
+
+let tag = function() {}
+tag `hello`
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are confident that you will not accidentally introduce code like this.
+
+Note that the patterns considered problems are **not** flagged by the [semi](semi.md) rule.
+
+## Related Rules
+
+* [func-call-spacing](func-call-spacing.md)
+* [semi](semi.md)
+* [space-unary-ops](space-unary-ops.md)
diff --git a/eslint/docs/rules/no-unmodified-loop-condition.md b/eslint/docs/rules/no-unmodified-loop-condition.md
new file mode 100644
index 0000000..688c350
--- /dev/null
+++ b/eslint/docs/rules/no-unmodified-loop-condition.md
@@ -0,0 +1,84 @@
+# Disallow unmodified conditions of loops (no-unmodified-loop-condition)
+
+Variables in a loop condition often are modified in the loop.
+If not, it's possibly a mistake.
+
+```js
+while (node) {
+    doSomething(node);
+}
+```
+
+```js
+while (node) {
+    doSomething(node);
+    node = node.parent;
+}
+```
+
+## Rule Details
+
+This rule finds references which are inside of loop conditions, then checks the
+variables of those references are modified in the loop.
+
+If a reference is inside of a binary expression or a ternary expression, this rule checks the result of
+the expression instead.
+If a reference is inside of a dynamic expression (e.g. `CallExpression`,
+`YieldExpression`, ...), this rule ignores it.
+
+Examples of **incorrect** code for this rule:
+
+```js
+while (node) {
+    doSomething(node);
+}
+node = other;
+
+for (var j = 0; j < items.length; ++i) {
+    doSomething(items[j]);
+}
+
+while (node !== root) {
+    doSomething(node);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+while (node) {
+    doSomething(node);
+    node = node.parent;
+}
+
+for (var j = 0; j < items.length; ++j) {
+    doSomething(items[j]);
+}
+
+// OK, the result of this binary expression is changed in this loop.
+while (node !== root) {
+    doSomething(node);
+    node = node.parent;
+}
+
+// OK, the result of this ternary expression is changed in this loop.
+while (node ? A : B) {
+    doSomething(node);
+    node = node.parent;
+}
+
+// A property might be a getter which has side effect...
+// Or "doSomething" can modify "obj.foo".
+while (obj.foo) {
+    doSomething(obj);
+}
+
+// A function call can return various values.
+while (check(obj)) {
+    doSomething(obj);
+}
+```
+
+## When Not To Use It
+
+If you don't want to notified about references inside of loop conditions, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/no-unneeded-ternary.md b/eslint/docs/rules/no-unneeded-ternary.md
new file mode 100644
index 0000000..e5d4e80
--- /dev/null
+++ b/eslint/docs/rules/no-unneeded-ternary.md
@@ -0,0 +1,92 @@
+# disallow ternary operators when simpler alternatives exist (no-unneeded-ternary)
+
+It's a common mistake in JavaScript to use a conditional expression to select between two Boolean values instead of using ! to convert the test to a Boolean.
+Here are some examples:
+
+```js
+// Bad
+var isYes = answer === 1 ? true : false;
+
+// Good
+var isYes = answer === 1;
+
+
+// Bad
+var isNo = answer === 1 ? false : true;
+
+// Good
+var isNo = answer !== 1;
+```
+
+Another common mistake is using a single variable as both the conditional test and the consequent. In such cases, the logical `OR` can be used to provide the same functionality.
+Here is an example:
+
+```js
+// Bad
+foo(bar ? bar : 1);
+
+// Good
+foo(bar || 1);
+```
+
+## Rule Details
+
+This rule disallow ternary operators when simpler alternatives exist.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unneeded-ternary: "error"*/
+
+var a = x === 2 ? true : false;
+
+var a = x ? true : false;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unneeded-ternary: "error"*/
+
+var a = x === 2 ? "Yes" : "No";
+
+var a = x !== false;
+
+var a = x ? "Yes" : "No";
+
+var a = x ? y : x;
+
+f(x ? x : 1); // default assignment - would be disallowed if defaultAssignment option set to false. See option details below.
+```
+
+## Options
+
+This rule has an object option:
+
+* `"defaultAssignment": true` (default) allows the conditional expression as a default assignment pattern
+* `"defaultAssignment": false` disallows the conditional expression as a default assignment pattern
+
+### defaultAssignment
+
+When set to `true`, which it is by default, The defaultAssignment option allows expressions of the form `x ? x : expr` (where `x` is any identifier and `expr` is any expression).
+
+Examples of additional **incorrect** code for this rule with the `{ "defaultAssignment": false }` option:
+
+```js
+/*eslint no-unneeded-ternary: ["error", { "defaultAssignment": false }]*/
+
+var a = x ? x : 1;
+
+f(x ? x : 1);
+```
+
+Note that `defaultAssignment: false` still allows expressions of the form `x ? expr : x` (where the identifier is on the right hand side of the ternary).
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with unnecessary complexity in conditional expressions.
+
+## Related Rules
+
+* [no-ternary](no-ternary.md)
+* [no-nested-ternary](no-nested-ternary.md)
diff --git a/eslint/docs/rules/no-unreachable.md b/eslint/docs/rules/no-unreachable.md
new file mode 100644
index 0000000..7bd16d3
--- /dev/null
+++ b/eslint/docs/rules/no-unreachable.md
@@ -0,0 +1,75 @@
+# disallow unreachable code after `return`, `throw`, `continue`, and `break` statements (no-unreachable)
+
+Because the `return`, `throw`, `break`, and `continue` statements unconditionally exit a block of code, any statements after them cannot be executed. Unreachable statements are usually a mistake.
+
+```js
+function fn() {
+    x = 1;
+    return x;
+    x = 3; // this will never execute
+}
+```
+
+## Rule Details
+
+This rule disallows unreachable code after `return`, `throw`, `continue`, and `break` statements.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unreachable: "error"*/
+
+function foo() {
+    return true;
+    console.log("done");
+}
+
+function bar() {
+    throw new Error("Oops!");
+    console.log("done");
+}
+
+while(value) {
+    break;
+    console.log("done");
+}
+
+throw new Error("Oops!");
+console.log("done");
+
+function baz() {
+    if (Math.random() < 0.5) {
+        return;
+    } else {
+        throw new Error();
+    }
+    console.log("done");
+}
+
+for (;;) {}
+console.log("done");
+```
+
+Examples of **correct** code for this rule, because of JavaScript function and variable hoisting:
+
+```js
+/*eslint no-unreachable: "error"*/
+
+function foo() {
+    return bar();
+    function bar() {
+        return 1;
+    }
+}
+
+function bar() {
+    return x;
+    var x;
+}
+
+switch (foo) {
+    case 1:
+        break;
+        var x;
+}
+```
diff --git a/eslint/docs/rules/no-unsafe-finally.md b/eslint/docs/rules/no-unsafe-finally.md
new file mode 100644
index 0000000..fb3bb1e
--- /dev/null
+++ b/eslint/docs/rules/no-unsafe-finally.md
@@ -0,0 +1,144 @@
+# disallow control flow statements in `finally` blocks (no-unsafe-finally)
+
+JavaScript suspends the control flow statements of `try` and `catch` blocks until the execution of `finally` block finishes. So, when `return`, `throw`, `break`, or `continue` is used in `finally`, control flow statements inside `try` and `catch` are overwritten, which is considered as unexpected behavior. Such as:
+
+```js
+// We expect this function to return 1;
+(() => {
+    try {
+        return 1; // 1 is returned but suspended until finally block ends
+    } catch(err) {
+        return 2;
+    } finally {
+        return 3; // 3 is returned before 1, which we did not expect
+    }
+})();
+
+// > 3
+```
+
+```js
+// We expect this function to throw an error, then return
+(() => {
+    try {
+        throw new Error("Try"); // error is thrown but suspended until finally block ends
+    } finally {
+        return 3; // 3 is returned before the error is thrown, which we did not expect
+    }
+})();
+
+// > 3
+```
+
+```js
+// We expect this function to throw Try(...) error from the catch block
+(() => {
+    try {
+        throw new Error("Try")
+    } catch(err) {
+        throw err; // The error thrown from try block is caught and rethrown
+    } finally {
+        throw new Error("Finally"); // Finally(...) is thrown, which we did not expect
+    }
+})();
+
+// > Uncaught Error: Finally(...)
+```
+
+```js
+// We expect this function to return 0 from try block.
+(() => {
+  label: try {
+    return 0; // 0 is returned but suspended until finally block ends
+  } finally {
+    break label; // It breaks out the try-finally block, before 0 is returned.
+  }
+  return 1;
+})();
+
+// > 1
+```
+
+## Rule Details
+
+This rule disallows `return`, `throw`, `break`, and `continue` statements inside `finally` blocks. It allows indirect usages, such as in `function` or `class` definitions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unsafe-finally: "error"*/
+let foo = function() {
+    try {
+        return 1;
+    } catch(err) {
+        return 2;
+    } finally {
+        return 3;
+    }
+};
+```
+
+```js
+/*eslint no-unsafe-finally: "error"*/
+let foo = function() {
+    try {
+        return 1;
+    } catch(err) {
+        return 2;
+    } finally {
+        throw new Error;
+    }
+};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unsafe-finally: "error"*/
+let foo = function() {
+    try {
+        return 1;
+    } catch(err) {
+        return 2;
+    } finally {
+        console.log("hola!");
+    }
+};
+```
+
+```js
+/*eslint no-unsafe-finally: "error"*/
+let foo = function() {
+    try {
+        return 1;
+    } catch(err) {
+        return 2;
+    } finally {
+        let a = function() {
+            return "hola!";
+        }
+    }
+};
+```
+
+```js
+/*eslint no-unsafe-finally: "error"*/
+let foo = function(a) {
+    try {
+        return 1;
+    } catch(err) {
+        return 2;
+    } finally {
+        switch(a) {
+            case 1: {
+                console.log("hola!")
+                break;
+            }
+        }
+    }
+};
+```
+
+## When Not To Use It
+
+If you want to allow control flow operations in `finally` blocks, you can turn this rule off.
diff --git a/eslint/docs/rules/no-unsafe-negation.md b/eslint/docs/rules/no-unsafe-negation.md
new file mode 100644
index 0000000..38bb9b0
--- /dev/null
+++ b/eslint/docs/rules/no-unsafe-negation.md
@@ -0,0 +1,107 @@
+# disallow negating the left operand of relational operators (no-unsafe-negation)
+
+Just as developers might type `-a + b` when they mean `-(a + b)` for the negative of a sum, they might type `!key in object` by mistake when they almost certainly mean `!(key in object)` to test that a key is not in an object. `!obj instanceof Ctor` is similar.
+
+## Rule Details
+
+This rule disallows negating the left operand of the following relational operators:
+
+- [`in` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in).
+- [`instanceof` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/instanceof).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unsafe-negation: "error"*/
+
+if (!key in object) {
+    // operator precedence makes it equivalent to (!key) in object
+    // and type conversion makes it equivalent to (key ? "false" : "true") in object
+}
+
+if (!obj instanceof Ctor) {
+    // operator precedence makes it equivalent to (!obj) instanceof Ctor
+    // and it equivalent to always false since boolean values are not objects.
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unsafe-negation: "error"*/
+
+if (!(key in object)) {
+    // key is not in object
+}
+
+if (!(obj instanceof Ctor)) {
+    // obj is not an instance of Ctor
+}
+```
+
+### Exception
+
+For rare situations when negating the left operand is intended, this rule allows an exception.
+If the whole negation is explicitly wrapped in parentheses, the rule will not report a problem.
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unsafe-negation: "error"*/
+
+if ((!foo) in object) {
+    // allowed, because the negation is explicitly wrapped in parentheses
+    // it is equivalent to (foo ? "false" : "true") in object
+    // this is allowed as an exception for rare situations when that is the intended meaning
+}
+
+if(("" + !foo) in object) {
+    // you can also make the intention more explicit, with type conversion
+}
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unsafe-negation: "error"*/
+
+if (!(foo) in object) {
+    // this is not an allowed exception
+}
+```
+
+## Options
+
+This rule has an object option:
+
+- `"enforceForOrderingRelations": false` (default) allows negation of the left-hand side of ordering relational operators (`<`, `>`, `<=`, `>=`)
+- `"enforceForOrderingRelations": true` disallows negation of the left-hand side of ordering relational operators
+
+### enforceForOrderingRelations
+
+With this option set to `true` the rule is additionally enforced for:
+
+- `<` operator.
+- `>` operator.
+- `<=` operator.
+- `>=` operator.
+
+The purpose is to avoid expressions such as `! a < b` (which is equivalent to `(a ? 0 : 1) < b`) when what is really intended is `!(a < b)`.
+
+Examples of additional **incorrect** code for this rule with the `{ "enforceForOrderingRelations": true }` option:
+
+```js
+/*eslint no-unsafe-negation: ["error", { "enforceForOrderingRelations": true }]*/
+
+if (! a < b) {}
+
+while (! a > b) {}
+
+foo = ! a <= b;
+
+foo = ! a >= b;
+```
+
+## When Not To Use It
+
+If you don't want to notify unsafe logical negations, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/no-unused-expressions.md b/eslint/docs/rules/no-unused-expressions.md
new file mode 100644
index 0000000..8a9748d
--- /dev/null
+++ b/eslint/docs/rules/no-unused-expressions.md
@@ -0,0 +1,163 @@
+# Disallow Unused Expressions (no-unused-expressions)
+
+An unused expression which has no effect on the state of the program indicates a logic error.
+
+For example, `n + 1;` is not a syntax error, but it might be a typing mistake where a programmer meant an assignment statement `n += 1;` instead. Sometimes, such unused expressions may be eliminated by some build tools in production environment, which possibly breaks application logic.
+
+## Rule Details
+
+This rule aims to eliminate unused expressions which have no effect on the state of the program.
+
+This rule does not apply to function calls or constructor calls with the `new` operator, because they could have *side effects* on the state of the program.
+
+```js
+var i = 0;
+function increment() { i += 1; }
+increment(); // return value is unused, but i changed as a side effect
+
+var nThings = 0;
+function Thing() { nThings += 1; }
+new Thing(); // constructed object is unused, but nThings changed as a side effect
+```
+
+This rule does not apply to directives (which are in the form of literal string expressions such as `"use strict";` at the beginning of a script, module, or function).
+
+Sequence expressions (those using a comma, such as `a = 1, b = 2`) are always considered unused unless their return value is assigned or used in a condition evaluation, or a function call is made with the sequence expression value.
+
+## Options
+
+This rule, in its default state, does not require any arguments. If you would like to enable one or more of the following you may pass an object with the options set as follows:
+
+* `allowShortCircuit` set to `true` will allow you to use short circuit evaluations in your expressions (Default: `false`).
+* `allowTernary` set to `true` will enable you to use ternary operators in your expressions similarly to short circuit evaluations (Default: `false`).
+* `allowTaggedTemplates` set to `true` will enable you to use tagged template literals in your expressions (Default: `false`).
+
+These options allow unused expressions *only if all* of the code paths either directly change the state (for example, assignment statement) or could have *side effects* (for example, function call).
+
+Examples of **incorrect** code for the default `{ "allowShortCircuit": false, "allowTernary": false }` options:
+
+```js
+/*eslint no-unused-expressions: "error"*/
+
+0
+
+if(0) 0
+
+{0}
+
+f(0), {}
+
+a && b()
+
+a, b()
+
+c = a, b;
+
+a() && function namedFunctionInExpressionContext () {f();}
+
+(function anIncompleteIIFE () {});
+
+injectGlobal`body{ color: red; }`
+
+```
+
+Note that one or more string expression statements (with or without semi-colons) will only be considered as unused if they are not in the beginning of a script, module, or function (alone and uninterrupted by other statements). Otherwise, they will be treated as part of a "directive prologue", a section potentially usable by JavaScript engines. This includes "strict mode" directives.
+
+```js
+"use strict";
+"use asm"
+"use stricter";
+"use babel"
+"any other strings like this in the prologue";
+```
+
+Examples of **correct** code for the default `{ "allowShortCircuit": false, "allowTernary": false }` options:
+
+```js
+/*eslint no-unused-expressions: "error"*/
+
+{} // In this context, this is a block statement, not an object literal
+
+{myLabel: someVar} // In this context, this is a block statement with a label and expression, not an object literal
+
+function namedFunctionDeclaration () {}
+
+(function aGenuineIIFE () {}());
+
+f()
+
+a = 0
+
+new C
+
+delete a.b
+
+void a
+```
+
+### allowShortCircuit
+
+Examples of **incorrect** code for the `{ "allowShortCircuit": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowShortCircuit": true }]*/
+
+a || b
+```
+
+Examples of **correct** code for the `{ "allowShortCircuit": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowShortCircuit": true }]*/
+
+a && b()
+a() || (b = c)
+```
+
+### allowTernary
+
+Examples of **incorrect** code for the `{ "allowTernary": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowTernary": true }]*/
+
+a ? b : 0
+a ? b : c()
+```
+
+Examples of **correct** code for the `{ "allowTernary": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowTernary": true }]*/
+
+a ? b() : c()
+a ? (b = c) : d()
+```
+
+### allowShortCircuit and allowTernary
+
+Examples of **correct** code for the `{ "allowShortCircuit": true, "allowTernary": true }` options:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowShortCircuit": true, "allowTernary": true }]*/
+
+a ? b() || (c = d) : e()
+```
+
+### allowTaggedTemplates
+
+Examples of **incorrect** code for the `{ "allowTaggedTemplates": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowTaggedTemplates": true }]*/
+
+`some untagged template string`;
+```
+
+Examples of **correct** code for the `{ "allowTaggedTemplates": true }` option:
+
+```js
+/*eslint no-unused-expressions: ["error", { "allowTaggedTemplates": true }]*/
+
+tag`some tagged template string`;
+```
diff --git a/eslint/docs/rules/no-unused-labels.md b/eslint/docs/rules/no-unused-labels.md
new file mode 100644
index 0000000..97b21ba
--- /dev/null
+++ b/eslint/docs/rules/no-unused-labels.md
@@ -0,0 +1,68 @@
+# Disallow Unused Labels (no-unused-labels)
+
+Labels that are declared and not used anywhere in the code are most likely an error due to incomplete refactoring.
+
+```js
+OUTER_LOOP:
+for (const student of students) {
+    if (checkScores(student.scores)) {
+        continue;
+    }
+    doSomething(student);
+}
+```
+
+In this case, probably removing `OUTER_LOOP:` had been forgotten.
+Such labels take up space in the code and can lead to confusion by readers.
+
+## Rule Details
+
+This rule is aimed at eliminating unused labels.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unused-labels: "error"*/
+
+A: var foo = 0;
+
+B: {
+    foo();
+}
+
+C:
+for (let i = 0; i < 10; ++i) {
+    foo();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unused-labels: "error"*/
+
+A: {
+    if (foo()) {
+        break A;
+    }
+    bar();
+}
+
+B:
+for (let i = 0; i < 10; ++i) {
+    if (foo()) {
+        break B;
+    }
+    bar();
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unused labels, then it's safe to disable this rule.
+
+## Related Rules
+
+* [no-extra-label](./no-extra-label.md)
+* [no-labels](./no-labels.md)
+* [no-label-var](./no-label-var.md)
diff --git a/eslint/docs/rules/no-unused-vars.md b/eslint/docs/rules/no-unused-vars.md
new file mode 100644
index 0000000..2b3f093
--- /dev/null
+++ b/eslint/docs/rules/no-unused-vars.md
@@ -0,0 +1,296 @@
+# Disallow Unused Variables (no-unused-vars)
+
+Variables that are declared and not used anywhere in the code are most likely an error due to incomplete refactoring. Such variables take up space in the code and can lead to confusion by readers.
+
+## Rule Details
+
+This rule is aimed at eliminating unused variables, functions, and function parameters.
+
+A variable `foo` is considered to be used if any of the following are true:
+
+* It is called (`foo()`) or constructed (`new foo()`)
+* It is read (`var bar = foo`)
+* It is passed into a function as an argument (`doSomething(foo)`)
+* It is read inside of a function that is passed to another function (`doSomething(function() { foo(); })`)
+
+A variable is *not* considered to be used if it is only ever declared (`var foo = 5`) or assigned to (`foo = 7`).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-unused-vars: "error"*/
+/*global some_unused_var*/
+
+// It checks variables you have defined as global
+some_unused_var = 42;
+
+var x;
+
+// Write-only variables are not considered as used.
+var y = 10;
+y = 5;
+
+// A read for a modification of itself is not considered as used.
+var z = 0;
+z = z + 1;
+
+// By default, unused arguments cause warnings.
+(function(foo) {
+    return 5;
+})();
+
+// Unused recursive functions also cause warnings.
+function fact(n) {
+    if (n < 2) return 1;
+    return n * fact(n - 1);
+}
+
+// When a function definition destructures an array, unused entries from the array also cause warnings.
+function getY([x, y]) {
+    return y;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-unused-vars: "error"*/
+
+var x = 10;
+alert(x);
+
+// foo is considered used here
+myFunc(function foo() {
+    // ...
+}.bind(this));
+
+(function(foo) {
+    return foo;
+})();
+
+var myFunc;
+myFunc = setTimeout(function() {
+    // myFunc is considered used
+    myFunc();
+}, 50);
+
+// Only the second argument from the descructured array is used.
+function getY([, y]) {
+    return y;
+}
+```
+
+### exported
+
+In environments outside of CommonJS or ECMAScript modules, you may use `var` to create a global variable that may be used by other scripts. You can use the `/* exported variableName */` comment block to indicate that this variable is being exported and therefore should not be considered unused.
+
+Note that `/* exported */` has no effect for any of the following:
+
+* when the environment is `node` or `commonjs`
+* when `parserOptions.sourceType` is `module`
+* when `ecmaFeatures.globalReturn` is `true`
+
+The line comment `// exported variableName` will not work as `exported` is not line-specific.
+
+Examples of **correct** code for `/* exported variableName */` operation:
+
+```js
+/* exported global_var */
+
+var global_var = 42;
+```
+
+## Options
+
+This rule takes one argument which can be a string or an object. The string settings are the same as those of the `vars` property (explained below).
+
+By default this rule is enabled with `all` option for variables and `after-used` for arguments.
+
+```json
+{
+    "rules": {
+        "no-unused-vars": ["error", { "vars": "all", "args": "after-used", "ignoreRestSiblings": false }]
+    }
+}
+```
+
+### vars
+
+The `vars` option has two settings:
+
+* `all` checks all variables for usage, including those in the global scope. This is the default setting.
+* `local` checks only that locally-declared variables are used but will allow global variables to be unused.
+
+#### vars: local
+
+Examples of **correct** code for the `{ "vars": "local" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "vars": "local" }]*/
+/*global some_unused_var */
+
+some_unused_var = 42;
+```
+
+### varsIgnorePattern
+
+The `varsIgnorePattern` option specifies exceptions not to check for usage: variables whose names match a regexp pattern. For example, variables whose names contain `ignored` or `Ignored`.
+
+Examples of **correct** code for the `{ "varsIgnorePattern": "[iI]gnored" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "varsIgnorePattern": "[iI]gnored" }]*/
+
+var firstVarIgnored = 1;
+var secondVar = 2;
+console.log(secondVar);
+```
+
+### args
+
+The `args` option has three settings:
+
+* `after-used` - unused positional arguments that occur before the last used argument will not be checked, but all named arguments and all positional arguments after the last used argument will be checked.
+* `all` - all named arguments must be used.
+* `none` - do not check arguments.
+
+#### args: after-used
+
+Examples of **incorrect** code for the default `{ "args": "after-used" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "args": "after-used" }]*/
+
+// 2 errors, for the parameters after the last used parameter (bar)
+// "baz" is defined but never used
+// "qux" is defined but never used
+(function(foo, bar, baz, qux) {
+    return bar;
+})();
+```
+
+Examples of **correct** code for the default `{ "args": "after-used" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", {"args": "after-used"}]*/
+
+(function(foo, bar, baz, qux) {
+    return qux;
+})();
+```
+
+#### args: all
+
+Examples of **incorrect** code for the `{ "args": "all" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "args": "all" }]*/
+
+// 2 errors
+// "foo" is defined but never used
+// "baz" is defined but never used
+(function(foo, bar, baz) {
+    return bar;
+})();
+```
+
+#### args: none
+
+Examples of **correct** code for the `{ "args": "none" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "args": "none" }]*/
+
+(function(foo, bar, baz) {
+    return bar;
+})();
+```
+
+### ignoreRestSiblings
+
+The `ignoreRestSiblings` option is a boolean (default: `false`). Using a [Rest Property](https://github.com/tc39/proposal-object-rest-spread) it is possible to "omit" properties from an object, but by default the sibling properties are marked as "unused". With this option enabled the rest property's siblings are ignored.
+
+Examples of **correct** code for the `{ "ignoreRestSiblings": true }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "ignoreRestSiblings": true }]*/
+// 'type' is ignored because it has a rest property sibling.
+var { type, ...coords } = data;
+```
+
+### argsIgnorePattern
+
+The `argsIgnorePattern` option specifies exceptions not to check for usage: arguments whose names match a regexp pattern. For example, variables whose names begin with an underscore.
+
+Examples of **correct** code for the `{ "argsIgnorePattern": "^_" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }]*/
+
+function foo(x, _y) {
+    return x + 1;
+}
+foo();
+```
+
+### caughtErrors
+
+The `caughtErrors` option is used for `catch` block arguments validation.
+
+It has two settings:
+
+* `none` - do not check error objects. This is the default setting.
+* `all` - all named arguments must be used.
+
+#### caughtErrors: none
+
+Not specifying this rule is equivalent of assigning it to `none`.
+
+Examples of **correct** code for the `{ "caughtErrors": "none" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "caughtErrors": "none" }]*/
+
+try {
+    //...
+} catch (err) {
+    console.error("errors");
+}
+```
+
+#### caughtErrors: all
+
+Examples of **incorrect** code for the `{ "caughtErrors": "all" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "caughtErrors": "all" }]*/
+
+// 1 error
+// "err" is defined but never used
+try {
+    //...
+} catch (err) {
+    console.error("errors");
+}
+```
+
+### caughtErrorsIgnorePattern
+
+The `caughtErrorsIgnorePattern` option specifies exceptions not to check for usage: catch arguments whose names match a regexp pattern. For example, variables whose names begin with a string 'ignore'.
+
+Examples of **correct** code for the `{ "caughtErrorsIgnorePattern": "^ignore" }` option:
+
+```js
+/*eslint no-unused-vars: ["error", { "caughtErrorsIgnorePattern": "^ignore" }]*/
+
+try {
+    //...
+} catch (ignoreErr) {
+    console.error("errors");
+}
+```
+
+
+## When Not To Use It
+
+If you don't want to be notified about unused variables or function arguments, you can safely turn this rule off.
diff --git a/eslint/docs/rules/no-use-before-define.md b/eslint/docs/rules/no-use-before-define.md
new file mode 100644
index 0000000..391c323
--- /dev/null
+++ b/eslint/docs/rules/no-use-before-define.md
@@ -0,0 +1,161 @@
+# Disallow Early Use (no-use-before-define)
+
+In JavaScript, prior to ES6, variable and function declarations are hoisted to the top of a scope, so it's possible to use identifiers before their formal declarations in code. This can be confusing and some believe it is best to always declare variables and functions before using them.
+
+In ES6, block-level bindings (`let` and `const`) introduce a "temporal dead zone" where a `ReferenceError` will be thrown with any attempt to access the variable before its declaration.
+
+## Rule Details
+
+This rule will warn when it encounters a reference to an identifier that has not yet been declared.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-use-before-define: "error"*/
+/*eslint-env es6*/
+
+alert(a);
+var a = 10;
+
+f();
+function f() {}
+
+function g() {
+    return b;
+}
+var b = 1;
+
+{
+    alert(c);
+    let c = 1;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-use-before-define: "error"*/
+/*eslint-env es6*/
+
+var a;
+a = 10;
+alert(a);
+
+function f() {}
+f(1);
+
+var b = 1;
+function g() {
+    return b;
+}
+
+{
+    let c;
+    c++;
+}
+```
+
+## Options
+
+```json
+{
+    "no-use-before-define": ["error", { "functions": true, "classes": true }]
+}
+```
+
+* `functions` (`boolean`) -
+  The flag which shows whether or not this rule checks function declarations.
+  If this is `true`, this rule warns every reference to a function before the function declaration.
+  Otherwise, ignores those references.
+  Function declarations are hoisted, so it's safe.
+  Default is `true`.
+* `classes` (`boolean`) -
+  The flag which shows whether or not this rule checks class declarations of upper scopes.
+  If this is `true`, this rule warns every reference to a class before the class declaration.
+  Otherwise, ignores those references if the declaration is in upper function scopes.
+  Class declarations are not hoisted, so it might be danger.
+  Default is `true`.
+* `variables` (`boolean`) -
+  This flag determines whether or not the rule checks variable declarations in upper scopes.
+  If this is `true`, the rule warns every reference to a variable before the variable declaration.
+  Otherwise, the rule ignores a reference if the declaration is in an upper scope, while still reporting the reference if it's in the same scope as the declaration.
+  Default is `true`.
+
+This rule accepts `"nofunc"` string as an option.
+`"nofunc"` is the same as `{ "functions": false, "classes": true, "variables": true }`.
+
+### functions
+
+Examples of **correct** code for the `{ "functions": false }` option:
+
+```js
+/*eslint no-use-before-define: ["error", { "functions": false }]*/
+
+f();
+function f() {}
+```
+
+This option allows references to function declarations. For function expressions and arrow functions, please see the [`variables`](#variables) option.
+
+### classes
+
+Examples of **incorrect** code for the `{ "classes": false }` option:
+
+```js
+/*eslint no-use-before-define: ["error", { "classes": false }]*/
+/*eslint-env es6*/
+
+new A();
+class A {
+}
+```
+
+Examples of **correct** code for the `{ "classes": false }` option:
+
+```js
+/*eslint no-use-before-define: ["error", { "classes": false }]*/
+/*eslint-env es6*/
+
+function foo() {
+    return new A();
+}
+
+class A {
+}
+```
+
+### variables
+
+Examples of **incorrect** code for the `{ "variables": false }` option:
+
+```js
+/*eslint no-use-before-define: ["error", { "variables": false }]*/
+
+console.log(foo);
+var foo = 1;
+
+f();
+const f = () => {};
+
+g();
+const g = function() {};
+```
+
+Examples of **correct** code for the `{ "variables": false }` option:
+
+```js
+/*eslint no-use-before-define: ["error", { "variables": false }]*/
+
+function baz() {
+    console.log(foo);
+}
+var foo = 1;
+
+const a = () => f();
+function b() { return f(); }
+const c = function() { return f(); }
+const f = () => {};
+
+const e = function() { return g(); }
+const g = function() {}
+```
diff --git a/eslint/docs/rules/no-useless-backreference.md b/eslint/docs/rules/no-useless-backreference.md
new file mode 100644
index 0000000..d2360b3
--- /dev/null
+++ b/eslint/docs/rules/no-useless-backreference.md
@@ -0,0 +1,130 @@
+# Disallow useless backreferences in regular expressions (no-useless-backreference)
+
+In JavaScript regular expressions, it's syntactically valid to define a backreference to a group that belongs to another alternative part of the pattern, a backreference to a group that appears after the backreference, a backreference to a group that contains that backreference, or a backreference to a group that is inside a negative lookaround. However, by the specification, in any of these cases the backreference always ends up matching only zero-length (the empty string), regardless of the context in which the backreference and the group appear.
+
+Backreferences that always successfully match zero-length and cannot match anything else are useless. They are basically ignored and can be removed without changing the behavior of the regular expression.
+
+```js
+var regex = /^(?:(a)|\1b)$/;
+
+regex.test("a"); // true
+regex.test("b"); // true!
+regex.test("ab"); // false
+
+var equivalentRegex = /^(?:(a)|b)$/;
+
+equivalentRegex.test("a"); // true
+equivalentRegex.test("b"); // true
+equivalentRegex.test("ab"); // false
+```
+
+Useless backreference is a possible error in the code. It usually indicates that the regular expression does not work as intended.
+
+## Rule Details
+
+This rule aims to detect and disallow the following backreferences in regular expression:
+
+* Backreference to a group that is in another alternative, e.g., `/(a)|\1b/`. In such constructed regular expression, the backreference is expected to match what's been captured in, at that point, a non-participating group.
+* Backreference to a group that appears later in the pattern, e.g., `/\1(a)/`. The group hasn't captured anything yet, and ECMAScript doesn't support forward references. Inside lookbehinds, which match backward, the opposite applies and this rule disallows backreference to a group that appears before in the same lookbehind, e.g., `/(?<=(a)\1)b/`.
+* Backreference to a group from within the same group, e.g., `/(\1)/`. Similar to the previous, the group hasn't captured anything yet, and ECMAScript doesn't support nested references.
+* Backreference to a group that is in a negative lookaround, if the backreference isn't in the same negative lookaround, e.g., `/a(?!(b)).\1/`. A negative lookaround (lookahead or lookbehind) succeeds only if its pattern cannot match, meaning that the group has failed.
+
+By the ECMAScript specification, all backreferences listed above are valid, always succeed to match zero-length, and cannot match anything else. Consequently, they don't produce parsing or runtime errors, but also don't affect the behavior of their regular expressions. They are syntactically valid but useless.
+
+This might be surprising to developers coming from other languages where some of these backreferences can be used in a meaningful way.
+
+```js
+// in some other languages, this pattern would successfully match "aab"
+
+/^(?:(a)(?=a)|\1b)+$/.test("aab"); // false
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-backreference: "error"*/
+
+/^(?:(a)|\1b)$/; // reference to (a) into another alternative
+
+/^(?:(a)|b(?:c|\1))$/; // reference to (a) into another alternative
+
+/^(?:a|b(?:(c)|\1))$/; // reference to (c) into another alternative
+
+/\1(a)/; // forward reference to (a)
+
+RegExp('(a)\\2(b)'); // forward reference to (b)
+
+/(?:a)(b)\2(c)/; // forward reference to (c)
+
+/\k<foo>(?<foo>a)/; // forward reference to (?<foo>a)
+
+/(?<=(a)\1)b/; // backward reference to (a) from within the same lookbehind
+
+/(?<!(a)\1)b/; // backward reference to (a) from within the same lookbehind
+
+new RegExp('(\\1)'); // nested reference to (\1)
+
+/^((a)\1)$/; // nested reference to ((a)\1)
+
+/a(?<foo>(.)b\1)/; // nested reference to (?<foo>(.)b\1)
+
+/a(?!(b)).\1/; // reference to (b) into a negative lookahead
+
+/(?<!(a))b\1/; // reference to (a) into a negative lookbehind
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-backreference: "error"*/
+
+/^(?:(a)|(b)\2)$/; // reference to (b)
+
+/(a)\1/; // reference to (a)
+
+RegExp('(a)\\1(b)'); // reference to (a)
+
+/(a)(b)\2(c)/; // reference to (b)
+
+/(?<foo>a)\k<foo>/; // reference to (?<foo>a)
+
+/(?<=\1(a))b/; // reference to (a), correctly before the group as they're in the same lookbehind
+
+/(?<=(a))b\1/; // reference to (a), correctly after the group as the backreference isn't in the lookbehind
+
+new RegExp('(.)\\1'); // reference to (.)
+
+/^(?:(a)\1)$/; // reference to (a)
+
+/^((a)\2)$/; // reference to (a)
+
+/a(?<foo>(.)b\2)/; // reference to (.)
+
+/a(?!(b|c)\1)./; // reference to (b|c), correct as it's from within the same negative lookahead
+
+/(?<!\1(a))b/; // reference to (a), correct as it's from within the same negative lookbehind
+```
+
+Please note that this rule does not aim to detect and disallow a potentially erroneous use of backreference syntax in regular expressions, like the use in character classes or an attempt to reference a group that doesn't exist. Depending on the context, a `\1`...`\9` sequence that is not a syntactically valid backreference may produce syntax error, or be parsed as something else (e.g., as a legacy octal escape sequence).
+
+Examples of additional **correct** code for this rule:
+
+```js
+/*eslint no-useless-backreference: "error"*/
+
+// comments describe behavior in a browser
+
+/^[\1](a)$/.test("\x01a"); // true. In a character class, \1 is treated as an octal escape sequence.
+/^\1$/.test("\x01"); // true. Since the group 1 doesn't exist, \1 is treated as an octal escape sequence.
+/^(a)\1\2$/.test("aa\x02"); // true. In this case, \1 is a backreference, \2 is an octal escape sequence.
+```
+
+## Further Reading
+
+* [MDN: Regular Expressions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions)
+
+## Related Rules
+
+* [no-control-regex](no-control-regex.md)
+* [no-empty-character-class](no-empty-character-class.md)
+* [no-invalid-regexp](no-invalid-regexp.md)
diff --git a/eslint/docs/rules/no-useless-call.md b/eslint/docs/rules/no-useless-call.md
new file mode 100644
index 0000000..196cc6d
--- /dev/null
+++ b/eslint/docs/rules/no-useless-call.md
@@ -0,0 +1,73 @@
+# Disallow unnecessary `.call()` and `.apply()`. (no-useless-call)
+
+The function invocation can be written by `Function.prototype.call()` and `Function.prototype.apply()`.
+But `Function.prototype.call()` and `Function.prototype.apply()` are slower than the normal function invocation.
+
+## Rule Details
+
+This rule is aimed to flag usage of `Function.prototype.call()` and `Function.prototype.apply()` that can be replaced with the normal function invocation.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-call: "error"*/
+
+// These are same as `foo(1, 2, 3);`
+foo.call(undefined, 1, 2, 3);
+foo.apply(undefined, [1, 2, 3]);
+foo.call(null, 1, 2, 3);
+foo.apply(null, [1, 2, 3]);
+
+// These are same as `obj.foo(1, 2, 3);`
+obj.foo.call(obj, 1, 2, 3);
+obj.foo.apply(obj, [1, 2, 3]);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-call: "error"*/
+
+// The `this` binding is different.
+foo.call(obj, 1, 2, 3);
+foo.apply(obj, [1, 2, 3]);
+obj.foo.call(null, 1, 2, 3);
+obj.foo.apply(null, [1, 2, 3]);
+obj.foo.call(otherObj, 1, 2, 3);
+obj.foo.apply(otherObj, [1, 2, 3]);
+
+// The argument list is variadic.
+// Those are warned by the `prefer-spread` rule.
+foo.apply(undefined, args);
+foo.apply(null, args);
+obj.foo.apply(obj, args);
+```
+
+## Known Limitations
+
+This rule compares code statically to check whether or not `thisArg` is changed.
+So if the code about `thisArg` is a dynamic expression, this rule cannot judge correctly.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-call: "error"*/
+
+a[i++].foo.call(a[i++], 1, 2, 3);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-call: "error"*/
+
+a[++i].foo.call(a[i], 1, 2, 3);
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary `.call()` and `.apply()`, you can safely disable this rule.
+
+## Related Rules
+
+* [prefer-spread](prefer-spread.md)
diff --git a/eslint/docs/rules/no-useless-catch.md b/eslint/docs/rules/no-useless-catch.md
new file mode 100644
index 0000000..0562063
--- /dev/null
+++ b/eslint/docs/rules/no-useless-catch.md
@@ -0,0 +1,56 @@
+# Disallow unnecessary catch clauses (no-useless-catch)
+
+A `catch` clause that only rethrows the original error is redundant, and has no effect on the runtime behavior of the program. These redundant clauses can be a source of confusion and code bloat, so it's better to disallow these unnecessary `catch` clauses.
+
+## Rule Details
+
+This rule reports `catch` clauses that only `throw` the caught error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-catch: "error"*/
+
+try {
+  doSomethingThatMightThrow();
+} catch (e) {
+  throw e;
+}
+
+try {
+  doSomethingThatMightThrow();
+} catch (e) {
+  throw e;
+} finally {
+  cleanUp();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-catch: "error"*/
+
+try {
+  doSomethingThatMightThrow();
+} catch (e) {
+  doSomethingBeforeRethrow();
+  throw e;
+}
+
+try {
+  doSomethingThatMightThrow();
+} catch (e) {
+  handleError(e);
+}
+
+try {
+  doSomethingThatMightThrow();
+} finally {
+  cleanUp();
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary catch clauses, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-useless-computed-key.md b/eslint/docs/rules/no-useless-computed-key.md
new file mode 100644
index 0000000..9b3c592
--- /dev/null
+++ b/eslint/docs/rules/no-useless-computed-key.md
@@ -0,0 +1,75 @@
+# Disallow unnecessary computed property keys in objects and classes (no-useless-computed-key)
+
+It's unnecessary to use computed properties with literals such as:
+
+```js
+var foo = {["a"]: "b"};
+```
+
+The code can be rewritten as:
+
+```js
+var foo = {"a": "b"};
+```
+
+## Rule Details
+
+This rule disallows unnecessary usage of computed property keys.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-computed-key: "error"*/
+/*eslint-env es6*/
+
+var a = { ['0']: 0 };
+var a = { ['0+1,234']: 0 };
+var a = { [0]: 0 };
+var a = { ['x']: 0 };
+var a = { ['x']() {} };
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-computed-key: "error"*/
+
+var c = { 'a': 0 };
+var c = { 0: 0 };
+var a = { x() {} };
+var c = { a: 0 };
+var c = { '0+1,234': 0 };
+```
+
+## Options
+
+This rule has an object option:
+
+* `enforceForClassMembers` set to `true` additionally applies this rule to class members (Default `false`).
+
+### enforceForClassMembers
+
+By default, this rule does not check class declarations and class expressions,
+as the default value for `enforceForClassMembers` is `false`.
+
+When `enforceForClassMembers` is set to `true`, the rule will also disallow unnecessary computed
+keys inside of class methods, getters and setters.
+
+Examples of **incorrect** code for `{ "enforceForClassMembers": true }`:
+
+```js
+/*eslint no-useless-computed-key: ["error", { "enforceForClassMembers": true }]*/
+
+class Foo {
+    [0]() {}
+    ['a']() {}
+    get ['b']() {}
+    set ['c'](value) {}
+
+    static ['a']() {}
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary computed property keys, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-useless-concat.md b/eslint/docs/rules/no-useless-concat.md
new file mode 100644
index 0000000..5dc5f1f
--- /dev/null
+++ b/eslint/docs/rules/no-useless-concat.md
@@ -0,0 +1,51 @@
+# Disallow unnecessary concatenation of strings (no-useless-concat)
+
+It's unnecessary to concatenate two strings together, such as:
+
+```js
+var foo = "a" + "b";
+```
+
+This code is likely the result of refactoring where a variable was removed from the concatenation (such as `"a" + b + "b"`). In such a case, the concatenation isn't important and the code can be rewritten as:
+
+```js
+var foo = "ab";
+```
+
+## Rule Details
+
+This rule aims to flag the concatenation of 2 literals when they could be combined into a single literal. Literals can be strings or template literals.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-concat: "error"*/
+/*eslint-env es6*/
+
+var a = `some` + `string`;
+
+// these are the same as "10"
+var a = '1' + '0';
+var a = '1' + `0`;
+var a = `1` + '0';
+var a = `1` + `0`;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-concat: "error"*/
+
+// when a non string is included
+var c = a + b;
+var c = '1' + a;
+var a = 1 + '1';
+var c = 1 - 2;
+// when the string concatenation is multiline
+var c = "foo" +
+    "bar";
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary string concatenation, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-useless-constructor.md b/eslint/docs/rules/no-useless-constructor.md
new file mode 100644
index 0000000..cdfe505
--- /dev/null
+++ b/eslint/docs/rules/no-useless-constructor.md
@@ -0,0 +1,71 @@
+# Disallow unnecessary constructor (no-useless-constructor)
+
+ES2015 provides a default class constructor if one is not specified. As such, it is unnecessary to provide an empty constructor or one that simply delegates into its parent class, as in the following examples:
+
+```js
+class A {
+    constructor () {
+    }
+}
+
+class B extends A {
+    constructor (value) {
+      super(value);
+    }
+}
+```
+
+## Rule Details
+
+This rule flags class constructors that can be safely removed without changing how the class works.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-constructor: "error"*/
+/*eslint-env es6*/
+
+class A {
+    constructor () {
+    }
+}
+
+class B extends A {
+    constructor (...args) {
+      super(...args);
+    }
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-constructor: "error"*/
+
+class A { }
+
+class A {
+    constructor () {
+        doSomething();
+    }
+}
+
+class B extends A {
+    constructor() {
+        super('foo');
+    }
+}
+
+class B extends A {
+    constructor() {
+        super();
+        doSomething();
+    }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary constructors, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-useless-escape.md b/eslint/docs/rules/no-useless-escape.md
new file mode 100644
index 0000000..6088c5c
--- /dev/null
+++ b/eslint/docs/rules/no-useless-escape.md
@@ -0,0 +1,54 @@
+# Disallow unnecessary escape usage (no-useless-escape)
+
+Escaping non-special characters in strings, template literals, and regular expressions doesn't have any effect, as demonstrated in the following example:
+
+```js
+let foo = "hol\a"; // > foo = "hola"
+let bar = `${foo}\!`; // > bar = "hola!"
+let baz = /\:/ // same functionality with /:/
+```
+
+## Rule Details
+
+This rule flags escapes that can be safely removed without changing behavior.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-useless-escape: "error"*/
+
+"\'";
+'\"';
+"\#";
+"\e";
+`\"`;
+`\"${foo}\"`;
+`\#{foo}`;
+/\!/;
+/\@/;
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-useless-escape: "error"*/
+
+"\"";
+'\'';
+"\x12";
+"\u00a9";
+"\371";
+"xs\u2111";
+`\``;
+`\${${foo}}`;
+`$\{${foo}}`;
+/\\/g;
+/\t/g;
+/\w\$\*\^\./;
+
+```
+
+## When Not To Use It
+
+If you don't want to be notified about unnecessary escapes, you can safely disable this rule.
diff --git a/eslint/docs/rules/no-useless-rename.md b/eslint/docs/rules/no-useless-rename.md
new file mode 100644
index 0000000..ea38e84
--- /dev/null
+++ b/eslint/docs/rules/no-useless-rename.md
@@ -0,0 +1,124 @@
+# Disallow renaming import, export, and destructured assignments to the same name (no-useless-rename)
+
+ES2015 allows for the renaming of references in import and export statements as well as destructuring assignments. This gives programmers a concise syntax for performing these operations while renaming these references:
+
+```js
+import { foo as bar } from "baz";
+export { foo as bar };
+let { foo: bar } = baz;
+```
+
+With this syntax, it is possible to rename a reference to the same name. This is a completely redundant operation, as this is the same as not renaming at all. For example, this:
+
+```js
+import { foo as foo } from "bar";
+export { foo as foo };
+let { foo: foo } = bar;
+```
+
+is the same as:
+
+```js
+import { foo } from "bar";
+export { foo };
+let { foo } = bar;
+```
+
+## Rule Details
+
+This rule disallows the renaming of import, export, and destructured assignments to the same name.
+
+See Also:
+
+- [`object-shorthand`](https://eslint.org/docs/rules/object-shorthand) which can enforce this behavior for properties in object literals.
+
+## Options
+
+This rule allows for more fine-grained control with the following options:
+
+- `ignoreImport`: When set to `true`, this rule does not check imports
+- `ignoreExport`: When set to `true`, this rule does not check exports
+- `ignoreDestructuring`: When set to `true`, this rule does not check destructuring assignments
+
+By default, all options are set to `false`:
+
+```json
+"no-useless-rename": ["error", {
+    "ignoreDestructuring": false,
+    "ignoreImport": false,
+    "ignoreExport": false
+}]
+```
+
+Examples of **incorrect** code for this rule by default:
+
+```js
+/*eslint no-useless-rename: "error"*/
+
+import { foo as foo } from "bar";
+export { foo as foo };
+export { foo as foo } from "bar";
+let { foo: foo } = bar;
+let { 'foo': foo } = bar;
+function foo({ bar: bar }) {}
+({ foo: foo }) => {}
+```
+
+Examples of **correct** code for this rule by default:
+
+```js
+/*eslint no-useless-rename: "error"*/
+
+import * as foo from "foo";
+import { foo } from "bar";
+import { foo as bar } from "baz";
+
+export { foo };
+export { foo as bar };
+export { foo as bar } from "foo";
+
+let { foo } = bar;
+let { foo: bar } = baz;
+let { [foo]: foo } = bar;
+
+function foo({ bar }) {}
+function foo({ bar: baz }) {}
+
+({ foo }) => {}
+({ foo: bar }) => {}
+```
+
+Examples of **correct** code for this rule with `{ ignoreImport: true }`:
+
+```js
+/*eslint no-useless-rename: ["error", { ignoreImport: true }]*/
+
+import { foo as foo } from "bar";
+```
+
+Examples of **correct** code for this rule with `{ ignoreExport: true }`:
+
+```js
+/*eslint no-useless-rename: ["error", { ignoreExport: true }]*/
+
+export { foo as foo };
+export { foo as foo } from "bar";
+```
+
+Examples of **correct** code for this rule with `{ ignoreDestructuring: true }`:
+
+```js
+/*eslint no-useless-rename: ["error", { ignoreDestructuring: true }]*/
+
+let { foo: foo } = bar;
+function foo({ bar: bar }) {}
+({ foo: foo }) => {}
+```
+
+## When Not To Use It
+
+You can safely disable this rule if you do not care about redundantly renaming import, export, and destructuring assignments.
+
+## Compatibility
+
+- **JSCS**: [disallowIdenticalDestructuringNames](https://jscs-dev.github.io/rule/disallowIdenticalDestructuringNames)
diff --git a/eslint/docs/rules/no-useless-return.md b/eslint/docs/rules/no-useless-return.md
new file mode 100644
index 0000000..4e8de68
--- /dev/null
+++ b/eslint/docs/rules/no-useless-return.md
@@ -0,0 +1,83 @@
+# Disallow redundant return statements (no-useless-return)
+
+A `return;` statement with nothing after it is redundant, and has no effect on the runtime behavior of a function. This can be confusing, so it's better to disallow these redundant statements.
+
+## Rule Details
+
+This rule aims to report redundant `return` statements.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint no-useless-return: "error" */
+
+function foo() { return; }
+
+function foo() {
+  doSomething();
+  return;
+}
+
+function foo() {
+  if (condition) {
+    bar();
+    return;
+  } else {
+    baz();
+  }
+}
+
+function foo() {
+  switch (bar) {
+    case 1:
+      doSomething();
+    default:
+      doSomethingElse();
+      return;
+  }
+}
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint no-useless-return: "error" */
+
+function foo() { return 5; }
+
+function foo() {
+  return doSomething();
+}
+
+function foo() {
+  if (condition) {
+    bar();
+    return;
+  } else {
+    baz();
+  }
+  qux();
+}
+
+function foo() {
+  switch (bar) {
+    case 1:
+      doSomething();
+      return;
+    default:
+      doSomethingElse();
+  }
+}
+
+function foo() {
+  for (const foo of bar) {
+    return;
+  }
+}
+
+```
+
+## When Not To Use It
+
+If you don't care about disallowing redundant return statements, you can turn off this rule.
diff --git a/eslint/docs/rules/no-var.md b/eslint/docs/rules/no-var.md
new file mode 100644
index 0000000..83950c3
--- /dev/null
+++ b/eslint/docs/rules/no-var.md
@@ -0,0 +1,48 @@
+# require `let` or `const` instead of `var` (no-var)
+
+ECMAScript 6 allows programmers to create variables with block scope instead of function scope using the `let`
+and `const` keywords. Block scope is common in many other programming languages and helps programmers avoid mistakes
+such as:
+
+```js
+var count = people.length;
+var enoughFood = count > sandwiches.length;
+
+if (enoughFood) {
+    var count = sandwiches.length; // accidentally overriding the count variable
+    console.log("We have " + count + " sandwiches for everyone. Plenty for all!");
+}
+
+// our count variable is no longer accurate
+console.log("We have " + count + " people and " + sandwiches.length + " sandwiches!");
+```
+
+## Rule Details
+
+This rule is aimed at discouraging the use of `var` and encouraging the use of `const` or `let` instead.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-var: "error"*/
+
+var x = "y";
+var CONFIG = {};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-var: "error"*/
+/*eslint-env es6*/
+
+let x = "y";
+const CONFIG = {};
+```
+
+## When Not To Use It
+
+In addition to non-ES6 environments, existing JavaScript projects that are beginning to introduce ES6 into their
+codebase may not want to apply this rule if the cost of migrating from `var` to `let` is too costly.
diff --git a/eslint/docs/rules/no-void.md b/eslint/docs/rules/no-void.md
new file mode 100644
index 0000000..6b77748
--- /dev/null
+++ b/eslint/docs/rules/no-void.md
@@ -0,0 +1,107 @@
+# Disallow use of the void operator. (no-void)
+
+The `void` operator takes an operand and returns `undefined`: `void expression` will evaluate `expression` and return `undefined`. It can be used to ignore any side effects `expression` may produce:
+
+The common case of using `void` operator is to get a "pure" `undefined` value as prior to ES5 the `undefined` variable was mutable:
+
+```js
+// will always return undefined
+(function(){
+    return void 0;
+})();
+
+// will return 1 in ES3 and undefined in ES5+
+(function(){
+    undefined = 1;
+    return undefined;
+})();
+
+// will throw TypeError in ES5+
+(function(){
+    'use strict';
+    undefined = 1;
+})();
+```
+
+Another common case is to minify code as `void 0` is shorter than `undefined`:
+
+```js
+foo = void 0;
+foo = undefined;
+```
+
+When used with IIFE (immediately-invoked function expression), `void` can be used to force the function keyword to be treated as an expression instead of a declaration:
+
+```js
+var foo = 1;
+void function(){ foo = 1; }() // will assign foo a value of 1
++function(){ foo = 1; }() // same as above
+```
+
+```
+function(){ foo = 1; }() // will throw SyntaxError
+```
+
+Some code styles prohibit `void` operator, marking it as non-obvious and hard to read.
+
+## Rule Details
+
+This rule aims to eliminate use of void operator.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-void: "error"*/
+
+void foo
+void someFunction();
+
+var foo = void bar();
+function baz() {
+    return void 0;
+}
+```
+
+## Options
+
+This rule has an object option:
+
+* `allowAsStatement` set to `true` allows the void operator to be used as a statement (Default `false`).
+
+### allowAsStatement
+
+When `allowAsStatement` is set to true, the rule will not error on cases that the void operator is used as a statement, i.e. when it's not used in an expression position, like in a variable assignment or a function return.
+
+Examples of **incorrect** code for `{ "allowAsStatement": true }`:
+
+```js
+/*eslint no-void: ["error", { "allowAsStatement": true }]*/
+
+var foo = void bar();
+function baz() {
+    return void 0;
+}
+```
+
+Examples of **correct** code for `{ "allowAsStatement": true }`:
+
+```js
+/*eslint no-void: ["error", { "allowAsStatement": true }]*/
+
+void foo;
+void someFunction();
+```
+
+## When Not To Use It
+
+If you intentionally use the `void` operator then you can disable this rule.
+
+## Further Reading
+
+* [Mozilla Developer Network](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/void)
+* [Bad Parts: Appendix B - JavaScript: The Good Parts by Douglas Crockford](https://oreilly.com/javascript/excerpts/javascript-good-parts/bad-parts.html)
+
+## Related Rules
+
+* [no-undef-init](no-undef-init.md)
+* [no-undefined](no-undefined.md)
diff --git a/eslint/docs/rules/no-warning-comments.md b/eslint/docs/rules/no-warning-comments.md
new file mode 100644
index 0000000..4836560
--- /dev/null
+++ b/eslint/docs/rules/no-warning-comments.md
@@ -0,0 +1,85 @@
+# Disallow Warning Comments (no-warning-comments)
+
+Developers often add comments to code which is not complete or needs review. Most likely you want to fix or review the code, and then remove the comment, before you consider the code to be production ready.
+
+```js
+// TODO: do something
+// FIXME: this is not a good idea
+```
+
+## Rule Details
+
+This rule reports comments that include any of the predefined terms specified in its configuration.
+
+## Options
+
+This rule has an options object literal:
+
+* `"terms"`: optional array of terms to match. Defaults to `["todo", "fixme", "xxx"]`. Terms are matched case-insensitive and as whole words: `fix` would match `FIX` but not `fixing`. Terms can consist of multiple words: `really bad idea`.
+* `"location"`: optional string that configures where in your comments to check for matches. Defaults to `"start"`. The other value is match `anywhere` in comments.
+
+Example of **incorrect** code for the default `{ "terms": ["todo", "fixme", "xxx"], "location": "start" }` options:
+
+```js
+/*eslint no-warning-comments: "error"*/
+
+function callback(err, results) {
+  if (err) {
+    console.error(err);
+    return;
+  }
+  // TODO
+}
+```
+
+Example of **correct** code for the default `{ "terms": ["todo", "fixme", "xxx"], "location": "start" }` options:
+
+```js
+/*eslint no-warning-comments: "error"*/
+
+function callback(err, results) {
+  if (err) {
+    console.error(err);
+    return;
+  }
+  // NOT READY FOR PRIME TIME
+  // but too bad, it is not a predefined warning term
+}
+```
+
+### terms and location
+
+Examples of **incorrect** code for the `{ "terms": ["todo", "fixme", "any other term"], "location": "anywhere" }` options:
+
+```js
+/*eslint no-warning-comments: ["error", { "terms": ["todo", "fixme", "any other term"], "location": "anywhere" }]*/
+
+// TODO: this
+// todo: this too
+// Even this: TODO
+/* /*
+ * The same goes for this TODO comment
+ * Or a fixme
+ * as well as any other term
+ */
+```
+
+Examples of **correct** code for the `{ "terms": ["todo", "fixme", "any other term"], "location": "anywhere" }` options:
+
+```js
+/*eslint no-warning-comments: ["error", { "terms": ["todo", "fixme", "any other term"], "location": "anywhere" }]*/
+
+// This is to do
+// even not any other    term
+// any other terminal
+/*
+ * The same goes for block comments
+ * with any other interesting term
+ * or fix me this
+ */
+```
+
+## When Not To Use It
+
+* If you have a large code base that was not developed with a policy to not use such warning terms, you might get hundreds of warnings / errors which might be counter-productive if you can't fix all of them (e.g. if you don't get the time to do it) as you might overlook other warnings / errors or get used to many of them and don't pay attention on it anymore.
+* Same reason as the point above: You shouldn't configure terms that are used very often (e.g. central parts of the native language used in your comments).
diff --git a/eslint/docs/rules/no-whitespace-before-property.md b/eslint/docs/rules/no-whitespace-before-property.md
new file mode 100644
index 0000000..70ecc14
--- /dev/null
+++ b/eslint/docs/rules/no-whitespace-before-property.md
@@ -0,0 +1,67 @@
+# disallow whitespace before properties (no-whitespace-before-property)
+
+JavaScript allows whitespace between objects and their properties. However, inconsistent spacing can make code harder to read and can lead to errors.
+
+```js
+foo. bar .baz . quz
+```
+
+## Rule Details
+
+This rule disallows whitespace around the dot or before the opening bracket before properties of objects if they are on the same line. This rule allows whitespace when the object and property are on separate lines, as it is common to add newlines to longer chains of properties:
+
+```js
+foo
+  .bar()
+  .baz()
+  .qux()
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-whitespace-before-property: "error"*/
+
+foo [bar]
+
+foo. bar
+
+foo .bar
+
+foo. bar. baz
+
+foo. bar()
+  .baz()
+
+foo
+  .bar(). baz()
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-whitespace-before-property: "error"*/
+
+foo.bar
+
+foo[bar]
+
+foo[ bar ]
+
+foo.bar.baz
+
+foo
+  .bar().baz()
+
+foo
+  .bar()
+  .baz()
+
+foo.
+  bar().
+  baz()
+```
+
+## When Not To Use It
+
+Turn this rule off if you do not care about allowing whitespace around the dot or before the opening bracket before properties of objects if they are on the same line.
diff --git a/eslint/docs/rules/no-with.md b/eslint/docs/rules/no-with.md
new file mode 100644
index 0000000..979c58b
--- /dev/null
+++ b/eslint/docs/rules/no-with.md
@@ -0,0 +1,36 @@
+# disallow `with` statements (no-with)
+
+The `with` statement is potentially problematic because it adds members of an object to the current scope, making it impossible to tell what a variable inside the block actually refers to.
+
+## Rule Details
+
+This rule disallows `with` statements.
+
+If ESLint parses code in strict mode, the parser (instead of this rule) reports the error.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint no-with: "error"*/
+
+with (point) {
+    r = Math.sqrt(x * x + y * y); // is r a member of point?
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint no-with: "error"*/
+/*eslint-env es6*/
+
+const r = ({x, y}) => Math.sqrt(x * x + y * y);
+```
+
+## When Not To Use It
+
+If you intentionally use `with` statements then you can disable this rule.
+
+## Further Reading
+
+* [with Statement Considered Harmful](https://yuiblog.com/blog/2006/04/11/with-statement-considered-harmful/)
diff --git a/eslint/docs/rules/no-wrap-func.md b/eslint/docs/rules/no-wrap-func.md
new file mode 100644
index 0000000..6732c92
--- /dev/null
+++ b/eslint/docs/rules/no-wrap-func.md
@@ -0,0 +1,34 @@
+# no-wrap-func: disallow unnecessary parentheses around function expressions
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [no-extra-parens](no-extra-parens.md) rule. The `"functions"` option in the new rule is equivalent to the removed rule.
+
+
+Although it's possible to wrap functions in parentheses, this can be confusing when the code also contains immediately-invoked function expressions (IIFEs) since parentheses are often used to make this distinction. For example:
+
+```js
+var foo = (function() {
+    // IIFE
+}());
+
+var bar = (function() {
+    // not an IIFE
+});
+```
+
+## Rule Details
+
+This rule will raise a warning when it encounters a function expression wrapped in parentheses with no following invoking parentheses.
+
+Example of **incorrect** code for this rule:
+
+```js
+var a = (function() {/*...*/});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+var a = function() {/*...*/};
+
+(function() {/*...*/})();
+```
diff --git a/eslint/docs/rules/nonblock-statement-body-position.md b/eslint/docs/rules/nonblock-statement-body-position.md
new file mode 100644
index 0000000..c2de17d
--- /dev/null
+++ b/eslint/docs/rules/nonblock-statement-body-position.md
@@ -0,0 +1,158 @@
+# enforce the location of single-line statements (nonblock-statement-body-position)
+
+When writing `if`, `else`, `while`, `do-while`, and `for` statements, the body can be a single statement instead of a block. It can be useful to enforce a consistent location for these single statements.
+
+For example, some developers avoid writing code like this:
+
+```js
+if (foo)
+  bar();
+```
+
+If another developer attempts to add `baz();` to the `if` statement, they might mistakenly change the code to
+
+```js
+if (foo)
+  bar();
+  baz(); // this line is not in the `if` statement!
+```
+
+To avoid this issue, one might require all single-line `if` statements to appear directly after the conditional, without a linebreak:
+
+```js
+if (foo) bar();
+```
+
+## Rule Details
+
+This rule aims to enforce a consistent location for single-line statements.
+
+Note that this rule does not enforce the usage of single-line statements in general. If you would like to disallow single-line statements, use the [`curly`](/docs/rules/curly.md) rule instead.
+
+### Options
+
+This rule accepts a string option:
+
+* `"beside"` (default) disallows a newline before a single-line statement.
+* `"below"` requires a newline before a single-line statement.
+* `"any"` does not enforce the position of a single-line statement.
+
+Additionally, the rule accepts an optional object option with an `"overrides"` key. This can be used to specify a location for particular statements that override the default. For example:
+
+* `"beside", { "overrides": { "while": "below" } }` requires all single-line statements to appear on the same line as their parent, unless the parent is a `while` statement, in which case the single-line statement must not be on the same line.
+* `"below", { "overrides": { "do": "any" } }` disallows all single-line statements from appearing on the same line as their parent, unless the parent is a `do-while` statement, in which case the position of the single-line statement is not enforced.
+
+Examples of **incorrect** code for this rule with the default `"beside"` option:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "beside"] */
+
+if (foo)
+  bar();
+else
+  baz();
+
+while (foo)
+  bar();
+
+for (let i = 1; i < foo; i++)
+  bar();
+
+do
+  bar();
+while (foo)
+
+```
+
+Examples of **correct** code for this rule with the default `"beside"` option:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "beside"] */
+
+if (foo) bar();
+else baz();
+
+while (foo) bar();
+
+for (let i = 1; i < foo; i++) bar();
+
+do bar(); while (foo)
+
+if (foo) { // block statements are always allowed with this rule
+  bar();
+} else {
+  baz();
+}
+```
+
+Examples of **incorrect** code for this rule with the `"below"` option:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "below"] */
+
+if (foo) bar();
+else baz();
+
+while (foo) bar();
+
+for (let i = 1; i < foo; i++) bar();
+
+do bar(); while (foo)
+```
+
+Examples of **correct** code for this rule with the `"below"` option:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "below"] */
+
+if (foo)
+  bar();
+else
+  baz();
+
+while (foo)
+  bar();
+
+for (let i = 1; i < foo; i++)
+  bar();
+
+do
+  bar();
+while (foo)
+
+if (foo) {
+  // Although the second `if` statement is on the same line as the `else`, this is a very common
+  // pattern, so it's not checked by this rule.
+} else if (bar) {
+}
+```
+
+Examples of **incorrect** code for this rule with the `"beside", { "overrides": { "while": "below" } }` rule:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "beside", { "overrides": { "while": "below" } }] */
+
+if (foo)
+  bar();
+
+while (foo) bar();
+```
+
+Examples of **correct** code for this rule with the `"beside", { "overrides": { "while": "below" } }` rule:
+
+```js
+/* eslint nonblock-statement-body-position: ["error", "beside", { "overrides": { "while": "below" } }] */
+
+if (foo) bar();
+
+while (foo)
+  bar();
+```
+
+## When Not To Use It
+
+If you're not concerned about consistent locations of single-line statements, you should not turn on this rule. You can also disable this rule if you're using the `"all"` option for the [`curly`](/docs/rules/curly.md) rule, because this will disallow single-line statements entirely.
+
+## Further Reading
+
+* JSCS: [requireNewlineBeforeSingleStatementsInIf](https://jscs-dev.github.io/rule/requireNewlineBeforeSingleStatementsInIf)
diff --git a/eslint/docs/rules/object-curly-newline.md b/eslint/docs/rules/object-curly-newline.md
new file mode 100644
index 0000000..4e1cce7
--- /dev/null
+++ b/eslint/docs/rules/object-curly-newline.md
@@ -0,0 +1,524 @@
+# enforce consistent line breaks inside braces (object-curly-newline)
+
+A number of style guides require or disallow line breaks inside of object braces and other tokens.
+
+## Rule Details
+
+This rule enforces consistent line breaks inside braces of object literals or destructuring assignments.
+
+## Options
+
+This rule has either a string option:
+
+* `"always"` requires line breaks inside braces
+* `"never"` disallows line breaks inside braces
+
+Or an object option:
+
+* `"multiline": true` requires line breaks if there are line breaks inside properties or between properties. Otherwise, it disallows line breaks.
+* `"minProperties"` requires line breaks if the number of properties is at least the given integer. By default, an error will also be reported if an object contains linebreaks and has fewer properties than the given integer. However, the second behavior is disabled if the `consistent` option is set to `true`
+* `"consistent": true` (default) requires that either both curly braces, or neither, directly enclose newlines. Note that enabling this option will also change the behavior of the `minProperties` option. (See `minProperties` above for more information)
+
+You can specify different options for object literals, destructuring assignments, and named imports and exports:
+
+```json
+{
+    "object-curly-newline": ["error", {
+        "ObjectExpression": "always",
+        "ObjectPattern": { "multiline": true },
+        "ImportDeclaration": "never",
+        "ExportDeclaration": { "multiline": true, "minProperties": 3 }
+    }]
+}
+```
+
+* `"ObjectExpression"` configuration for object literals
+* `"ObjectPattern"` configuration for object patterns of destructuring assignments
+* `"ImportDeclaration"` configuration for named imports
+* `"ExportDeclaration"` configuration for named exports
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint object-curly-newline: ["error", "always"]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {foo: 1, bar: 2};
+let d = {foo: 1,
+    bar: 2};
+let e = {foo() {
+    dosomething();
+}};
+
+let {} = obj;
+let {f} = obj;
+let {g, h} = obj;
+let {i,
+    j} = obj;
+let {k = function() {
+    dosomething();
+}} = obj;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint object-curly-newline: ["error", "always"]*/
+/*eslint-env es6*/
+
+let a = {
+};
+let b = {
+    foo: 1
+};
+let c = {
+    foo: 1, bar: 2
+};
+let d = {
+    foo: 1,
+    bar: 2
+};
+let e = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {
+} = obj;
+let {
+    f
+} = obj;
+let {
+    g, h
+} = obj;
+let {
+    i,
+    j
+} = obj;
+let {
+    k = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint object-curly-newline: ["error", "never"]*/
+/*eslint-env es6*/
+
+let a = {
+};
+let b = {
+    foo: 1
+};
+let c = {
+    foo: 1, bar: 2
+};
+let d = {
+    foo: 1,
+    bar: 2
+};
+let e = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {
+} = obj;
+let {
+    f
+} = obj;
+let {
+    g, h
+} = obj;
+let {
+    i,
+    j
+} = obj;
+let {
+    k = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint object-curly-newline: ["error", "never"]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {foo: 1, bar: 2};
+let d = {foo: 1,
+    bar: 2};
+let e = {foo: function() {
+    dosomething();
+}};
+
+let {} = obj;
+let {f} = obj;
+let {g, h} = obj;
+let {i,
+    j} = obj;
+let {k = function() {
+    dosomething();
+}} = obj;
+```
+
+### multiline
+
+Examples of **incorrect** code for this rule with the `{ "multiline": true }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "multiline": true }]*/
+/*eslint-env es6*/
+
+let a = {
+};
+let b = {
+    foo: 1
+};
+let c = {
+    foo: 1, bar: 2
+};
+let d = {foo: 1,
+    bar: 2};
+let e = {foo: function() {
+    dosomething();
+}};
+
+let {
+} = obj;
+let {
+    f
+} = obj;
+let {
+    g, h
+} = obj;
+let {i,
+    j} = obj;
+let {k = function() {
+    dosomething();
+}} = obj;
+```
+
+Examples of **correct** code for this rule with the `{ "multiline": true }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "multiline": true }]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {foo: 1, bar: 2};
+let d = {
+    foo: 1,
+    bar: 2
+};
+let e = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {} = obj;
+let {f} = obj;
+let {g, h} = obj;
+let {
+    i,
+    j
+} = obj;
+let {
+    k = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+### minProperties
+
+Examples of **incorrect** code for this rule with the `{ "minProperties": 2 }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "minProperties": 2 }]*/
+/*eslint-env es6*/
+
+let a = {
+};
+let b = {
+    foo: 1
+};
+let c = {foo: 1, bar: 2};
+let d = {foo: 1,
+    bar: 2};
+let e = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {
+} = obj;
+let {
+    f
+} = obj;
+let {g, h} = obj;
+let {i,
+    j} = obj;
+let {
+    k = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+Examples of **correct** code for this rule with the `{ "minProperties": 2 }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "minProperties": 2 }]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {
+    foo: 1, bar: 2
+};
+let d = {
+    foo: 1,
+    bar: 2
+};
+let e = {foo: function() {
+    dosomething();
+}};
+
+let {} = obj;
+let {f} = obj;
+let {
+    g, h
+} = obj;
+let {
+    i,
+    j
+} = obj;
+let {k = function() {
+    dosomething();
+}} = obj;
+```
+
+### consistent
+
+Examples of **incorrect** code for this rule with the default `{ "consistent": true }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "consistent": true }]*/
+/*eslint-env es6*/
+
+let a = {foo: 1
+};
+let b = {
+    foo: 1};
+let c = {foo: 1, bar: 2
+};
+let d = {
+    foo: 1, bar: 2};
+let e = {foo: function() {
+    dosomething();
+}};
+
+let {f
+} = obj;
+let {
+    g} = obj;
+let {h, i
+} = obj;
+let {
+    j, k} = obj;
+let {l = function() {
+    dosomething();
+}} = obj;
+```
+
+Examples of **correct** code for this rule with the default `{ "consistent": true }` option:
+
+```js
+/*eslint object-curly-newline: ["error", { "consistent": true }]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {
+    foo: 1
+};
+let d = {
+    foo: 1, bar: 2
+};
+let e = {
+    foo: 1,
+    bar: 2
+};
+let f = {foo: function() {dosomething();}};
+let g = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {} = obj;
+let {h} = obj;
+let {i, j} = obj;
+let {
+    k, l
+} = obj;
+let {m,
+    n} = obj;
+let {
+    o,
+    p
+} = obj;
+let {q = function() {dosomething();}} = obj;
+let {
+    r = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+### ObjectExpression and ObjectPattern
+
+Examples of **incorrect** code for this rule with the `{ "ObjectExpression": "always", "ObjectPattern": "never" }` options:
+
+```js
+/*eslint object-curly-newline: ["error", { "ObjectExpression": "always", "ObjectPattern": "never" }]*/
+/*eslint-env es6*/
+
+let a = {};
+let b = {foo: 1};
+let c = {foo: 1, bar: 2};
+let d = {foo: 1,
+    bar: 2};
+let e = {foo: function() {
+    dosomething();
+}};
+
+let {
+} = obj;
+let {
+    f
+} = obj;
+let {
+    g, h
+} = obj;
+let {
+    i,
+    j
+} = obj;
+let {
+    k = function() {
+        dosomething();
+    }
+} = obj;
+```
+
+Examples of **correct** code for this rule with the `{ "ObjectExpression": "always", "ObjectPattern": "never" }` options:
+
+```js
+/*eslint object-curly-newline: ["error", { "ObjectExpression": "always", "ObjectPattern": "never" }]*/
+/*eslint-env es6*/
+
+let a = {
+};
+let b = {
+    foo: 1
+};
+let c = {
+    foo: 1, bar: 2
+};
+let d = {
+    foo: 1,
+    bar: 2
+};
+let e = {
+    foo: function() {
+        dosomething();
+    }
+};
+
+let {} = obj;
+let {f} = obj;
+let {g, h} = obj;
+let {i,
+    j} = obj;
+let {k = function() {
+    dosomething();
+}} = obj;
+```
+
+### ImportDeclaration and ExportDeclaration
+
+Examples of **incorrect** code for this rule with the `{ "ImportDeclaration": "always", "ExportDeclaration": "never" }` options:
+
+```js
+/*eslint object-curly-newline: ["error", { "ImportDeclaration": "always", "ExportDeclaration": "never" }]*/
+/*eslint-env es6*/
+
+import {foo, bar} from 'foo-bar';
+import {foo as f, bar} from 'foo-bar';
+import {foo,
+    bar} from 'foo-bar';
+
+export {
+   foo,
+   bar
+};
+export {
+   foo as f,
+   bar
+} from 'foo-bar';
+```
+
+Examples of **correct** code for this rule with the `{ "ImportDeclaration": "always", "ExportDeclaration": "never" }` options:
+
+```js
+/*eslint object-curly-newline: ["error", { "ImportDeclaration": "always", "ExportDeclaration": "never" }]*/
+/*eslint-env es6*/
+
+import {
+    foo,
+    bar
+} from 'foo-bar';
+import {
+    foo as f,
+    bar
+} from 'foo-bar';
+
+export { foo, bar } from 'foo-bar';
+export { foo as f, bar } from 'foo-bar';
+```
+
+## Compatibility
+
+* **JSCS**: [requirePaddingNewLinesInObjects](https://jscs-dev.github.io/rule/requirePaddingNewLinesInObjects)
+* **JSCS**: [disallowPaddingNewLinesInObjects](https://jscs-dev.github.io/rule/disallowPaddingNewLinesInObjects)
+
+## When Not To Use It
+
+If you don't want to enforce consistent line breaks inside braces, then it's safe to disable this rule.
+
+## Related Rules
+
+* [comma-spacing](comma-spacing.md)
+* [key-spacing](key-spacing.md)
+* [object-curly-spacing](object-curly-spacing.md)
+* [object-property-newline](object-property-newline.md)
diff --git a/eslint/docs/rules/object-curly-spacing.md b/eslint/docs/rules/object-curly-spacing.md
new file mode 100644
index 0000000..e7b054c
--- /dev/null
+++ b/eslint/docs/rules/object-curly-spacing.md
@@ -0,0 +1,156 @@
+# enforce consistent spacing inside braces (object-curly-spacing)
+
+While formatting preferences are very personal, a number of style guides require
+or disallow spaces between curly braces in the following situations:
+
+```js
+// simple object literals
+var obj = { foo: "bar" };
+
+// nested object literals
+var obj = { foo: { zoo: "bar" } };
+
+// destructuring assignment (EcmaScript 6)
+var { x, y } = y;
+
+// import/export declarations (EcmaScript 6)
+import { foo } from "bar";
+export { foo };
+```
+
+## Rule Details
+
+This rule enforces consistent spacing inside braces of object literals, destructuring assignments, and import/export specifiers.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"never"` (default) disallows spacing inside of braces
+* `"always"` requires spacing inside of braces (except `{}`)
+
+Object option:
+
+* `"arraysInObjects": true` requires spacing inside of braces of objects beginning and/or ending with an array element (applies when the first option is set to `never`)
+* `"arraysInObjects": false` disallows spacing inside of braces of objects beginning and/or ending with an array element (applies when the first option is set to `always`)
+* `"objectsInObjects": true` requires spacing inside of braces of objects beginning and/or ending with an object element (applies when the first option is set to `never`)
+* `"objectsInObjects": false` disallows spacing inside of braces of objects beginning and/or ending with an object element (applies when the first option is set to `always`)
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint object-curly-spacing: ["error", "never"]*/
+
+var obj = { 'foo': 'bar' };
+var obj = {'foo': 'bar' };
+var obj = { baz: {'foo': 'qux'}, bar};
+var obj = {baz: { 'foo': 'qux'}, bar};
+var {x } = y;
+import { foo } from 'bar';
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint object-curly-spacing: ["error", "never"]*/
+
+var obj = {'foo': 'bar'};
+var obj = {'foo': {'bar': 'baz'}, 'qux': 'quxx'};
+var obj = {
+  'foo': 'bar'
+};
+var obj = {'foo': 'bar'
+};
+var obj = {
+  'foo':'bar'};
+var obj = {};
+var {x} = y;
+import {foo} from 'bar';
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint object-curly-spacing: ["error", "always"]*/
+
+var obj = {'foo': 'bar'};
+var obj = {'foo': 'bar' };
+var obj = { baz: {'foo': 'qux'}, bar};
+var obj = {baz: { 'foo': 'qux' }, bar};
+var obj = {'foo': 'bar'
+};
+var obj = {
+  'foo':'bar'};
+var {x} = y;
+import {foo } from 'bar';
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint object-curly-spacing: ["error", "always"]*/
+
+var obj = {};
+var obj = { 'foo': 'bar' };
+var obj = { 'foo': { 'bar': 'baz' }, 'qux': 'quxx' };
+var obj = {
+  'foo': 'bar'
+};
+var { x } = y;
+import { foo } from 'bar';
+```
+
+#### arraysInObjects
+
+Examples of additional **correct** code for this rule with the `"never", { "arraysInObjects": true }` options:
+
+```js
+/*eslint object-curly-spacing: ["error", "never", { "arraysInObjects": true }]*/
+
+var obj = {"foo": [ 1, 2 ] };
+var obj = {"foo": [ "baz", "bar" ] };
+```
+
+Examples of additional **correct** code for this rule with the `"always", { "arraysInObjects": false }` options:
+
+```js
+/*eslint object-curly-spacing: ["error", "always", { "arraysInObjects": false }]*/
+
+var obj = { "foo": [ 1, 2 ]};
+var obj = { "foo": [ "baz", "bar" ]};
+```
+
+#### objectsInObjects
+
+Examples of additional **correct** code for this rule with the `"never", { "objectsInObjects": true }` options:
+
+```js
+/*eslint object-curly-spacing: ["error", "never", { "objectsInObjects": true }]*/
+
+var obj = {"foo": {"baz": 1, "bar": 2} };
+```
+
+Examples of additional **correct** code for this rule with the `"always", { "objectsInObjects": false }` options:
+
+```js
+/*eslint object-curly-spacing: ["error", "always", { "objectsInObjects": false }]*/
+
+var obj = { "foo": { "baz": 1, "bar": 2 }};
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing between curly braces.
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
+* [comma-spacing](comma-spacing.md)
+* [computed-property-spacing](computed-property-spacing.md)
+* [space-in-parens](space-in-parens.md)
diff --git a/eslint/docs/rules/object-property-newline.md b/eslint/docs/rules/object-property-newline.md
new file mode 100644
index 0000000..893e54f
--- /dev/null
+++ b/eslint/docs/rules/object-property-newline.md
@@ -0,0 +1,270 @@
+# enforce placing object properties on separate lines (object-property-newline)
+
+This rule permits you to restrict the locations of property specifications in object literals. You may prohibit any part of any property specification from appearing on the same line as any part of any other property specification. You may make this prohibition absolute, or, by invoking an object option, you may allow an exception, permitting an object literal to have all parts of all of its property specifications on a single line.
+
+## Rule Details
+
+### Motivations
+
+This rule makes it possible to ensure, as some style guides require, that property specifications appear on separate lines for better readability. For example, you can prohibit all of these:
+
+```js
+const newObject = {a: 1, b: [2, {a: 3, b: 4}]};
+const newObject = {
+    a: 1, b: [2, {a: 3, b: 4}]
+};
+const newObject = {
+    a: 1,
+    b: [2, {a: 3, b: 4}]
+};
+const newObject = {
+    a: 1,
+    b: [
+        2,
+        {a: 3, b: 4}
+    ]
+};
+
+```
+
+Instead of those, you can comply with the rule by writing
+
+```js
+const newObject = {
+    a: 1,
+    b: [2, {
+        a: 3,
+        b: 4
+    }]
+};
+```
+
+or
+
+```js
+const newObject = {
+    a: 1,
+    b: [
+        2,
+        {
+            a: 3,
+            b: 4
+        }
+    ]
+};
+```
+
+Another benefit of this rule is specificity of diffs when a property is changed:
+
+```diff
+// More specific
+ var obj = {
+     foo: "foo",
+-    bar: "bar",
++    bar: "bazz",
+     baz: "baz"
+ };
+```
+
+```diff
+// Less specific
+-var obj = { foo: "foo", bar: "bar", baz: "baz" };
++var obj = { foo: "foo", bar: "bazz", baz: "baz" };
+```
+
+### Optional Exception
+
+The rule offers one object option, `allowAllPropertiesOnSameLine` (a deprecated synonym is `allowMultiplePropertiesPerLine`). If you set it to `true`, object literals such as the first two above, with all property specifications on the same line, will be permitted, but one like
+
+```js
+const newObject = {
+    a: 'a.m.', b: 'p.m.',
+    c: 'daylight saving time'
+};
+
+```
+
+will be prohibited, because two properties, but not all properties, appear on the same line.
+
+### Notations
+
+This rule applies equally to all property specifications, regardless of notation, including:
+
+- `a: 1` (ES5)
+- `a` (ES2015 shorthand property)
+- ``[`prop${a}`]`` (ES2015 computed property name)
+
+Thus, the rule (without the object option) prohibits both of these:
+
+```js
+const newObject = {
+    a: 1, [
+        process.argv[4]
+    ]: '01'
+};
+const newObject = {
+    a: 1, [process.argv[4]]: '01'
+};
+```
+
+(This behavior differs from that of the JSCS rule cited below, which does not treat the leading `[` of a computed property name as part of that property specification. The JSCS rule prohibits the second of these formats but permits the first.)
+
+### Multiline Properties
+
+The rule prohibits the colocation on any line of at least 1 character of one property specification with at least 1 character of any other property specification. For example, the rule prohibits
+
+```js
+const newObject = {a: [
+    'Officiële website van de Europese Unie',
+    'Официален уебсайт на Европейския съюз'
+], b: 2};
+```
+
+because 1 character of the specification of `a` (i.e. the trailing `]` of its value) is on the same line as the specification of `b`.
+
+The optional exception does not excuse this case, because the entire collection of property specifications spans 4 lines, not 1.
+
+### Inter-property Delimiters
+
+The comma and any whitespace that delimit property specifications are not considered parts of them. Therefore, the rule permits both of these formats:
+
+```js
+const newFunction = multiplier => ({
+    a: 2 * multiplier,
+    b: 4 * multiplier,
+    c: 8 * multiplier
+});
+const newFunction = multiplier => ({
+    a: 2 * multiplier
+    , b: 4 * multiplier
+    , c: 8 * multiplier
+});
+```
+
+(This behavior differs from that of the JSCS rule cited below, which permits the first but prohibits the second format.)
+
+### --fix
+
+If this rule is invoked with the command-line `--fix` option, object literals that violate the rule are generally modified to comply with it. The modification in each case is to move a property specification to the next line whenever there is part or all of a previous property specification on the same line. For example,
+
+```js
+const newObject = {
+    a: 'a.m.', b: 'p.m.',
+    c: 'daylight saving time'
+};
+```
+
+is converted to
+
+```js
+const newObject = {
+    a: 'a.m.',
+b: 'p.m.',
+    c: 'daylight saving time'
+};
+```
+
+The modification does not depend on whether the object option is set to `true`. In other words, ESLint never collects all the property specifications onto a single line, even when the object option would permit that.
+
+ESLint does not correct a violation of this rule if a comment immediately precedes the second or subsequent property specification on a line, since ESLint cannot determine which line to put the comment onto.
+
+As illustrated above, the `--fix` option, applied to this rule, does not comply with other rules, such as `indent`, but, if those other rules are also in effect, the option applies them, too.
+
+## Examples
+
+Examples of **incorrect** code for this rule, with no object option or with `allowAllPropertiesOnSameLine` set to `false`:
+
+```js
+/*eslint object-property-newline: "error"*/
+
+const obj0 = { foo: "foo", bar: "bar", baz: "baz" };
+
+const obj1 = {
+    foo: "foo", bar: "bar", baz: "baz"
+};
+
+const obj2 = {
+    foo: "foo", bar: "bar",
+    baz: "baz"
+};
+
+const obj3 = {
+    [process.argv[3] ? "foo" : "bar"]: 0, baz: [
+        1,
+        2,
+        4,
+        8
+    ]
+};
+
+const a = "antidisestablishmentarianistically";
+const b = "yugoslavyalılaştırabildiklerimizdenmişsiniz";
+const obj4 = {a, b};
+
+const domain = process.argv[4];
+const obj5 = {
+    foo: "foo", [
+    domain.includes(":") ? "complexdomain" : "simpledomain"
+]: true};
+```
+
+Examples of **correct** code for this rule, with no object option or with `allowAllPropertiesOnSameLine` set to `false`:
+
+```js
+/*eslint object-property-newline: "error"*/
+
+const obj1 = {
+    foo: "foo",
+    bar: "bar",
+    baz: "baz"
+};
+
+const obj2 = {
+    foo: "foo"
+    , bar: "bar"
+    , baz: "baz"
+};
+
+const user = process.argv[2];
+const obj3 = {
+    user,
+    [process.argv[3] ? "foo" : "bar"]: 0,
+    baz: [
+        1,
+        2,
+        4,
+        8
+    ]
+};
+```
+
+Examples of additional **correct** code for this rule with the `{ "allowAllPropertiesOnSameLine": true }` option:
+
+```js
+/*eslint object-property-newline: ["error", { "allowAllPropertiesOnSameLine": true }]*/
+
+const obj = { foo: "foo", bar: "bar", baz: "baz" };
+
+const obj2 = {
+    foo: "foo", bar: "bar", baz: "baz"
+};
+const user = process.argv[2];
+const obj3 = {
+    user, [process.argv[3] ? "foo" : "bar"]: 0, baz: [1, 2, 4, 8]
+};
+```
+
+## When Not To Use It
+
+You can turn this rule off if you want to decide, case-by-case, whether to place property specifications on separate lines.
+
+## Compatibility
+
+- **JSCS**: This rule provides partial compatibility with [requireObjectKeysOnNewLine](https://jscs-dev.github.io/rule/requireObjectKeysOnNewLine).
+
+## Related Rules
+
+- [brace-style](brace-style.md)
+- [comma-dangle](comma-dangle.md)
+- [key-spacing](key-spacing.md)
+- [object-curly-spacing](object-curly-spacing.md)
diff --git a/eslint/docs/rules/object-shorthand.md b/eslint/docs/rules/object-shorthand.md
new file mode 100644
index 0000000..79e7665
--- /dev/null
+++ b/eslint/docs/rules/object-shorthand.md
@@ -0,0 +1,252 @@
+# Require Object Literal Shorthand Syntax (object-shorthand)
+
+ECMAScript 6 provides a concise form for defining object literal methods and properties. This
+syntax can make defining complex object literals much cleaner.
+
+Here are a few common examples using the ES5 syntax:
+
+```js
+// properties
+var foo = {
+    x: x,
+    y: y,
+    z: z,
+};
+
+// methods
+var foo = {
+    a: function() {},
+    b: function() {}
+};
+```
+
+Now here are ES6 equivalents:
+
+```js
+/*eslint-env es6*/
+
+// properties
+var foo = {x, y, z};
+
+// methods
+var foo = {
+    a() {},
+    b() {}
+};
+```
+
+## Rule Details
+
+This rule enforces the use of the shorthand syntax. This applies
+to all methods (including generators) defined in object literals and any
+properties defined where the key name matches name of the assigned variable.
+
+Each of the following properties would warn:
+
+
+```js
+/*eslint object-shorthand: "error"*/
+/*eslint-env es6*/
+
+var foo = {
+    w: function() {},
+    x: function *() {},
+    [y]: function() {},
+    z: z
+};
+```
+
+In that case the expected syntax would have been:
+
+```js
+/*eslint object-shorthand: "error"*/
+/*eslint-env es6*/
+
+var foo = {
+    w() {},
+    *x() {},
+    [y]() {},
+    z
+};
+```
+
+This rule does not flag arrow functions inside of object literals.
+The following will *not* warn:
+
+```js
+/*eslint object-shorthand: "error"*/
+/*eslint-env es6*/
+
+var foo = {
+    x: (y) => y
+};
+```
+
+See Also:
+
+- [`no-useless-rename`](https://eslint.org/docs/rules/no-useless-rename) which disallows renaming import, export, and destructured assignments to the same name.
+
+## Options
+
+The rule takes an option which specifies when it should be applied. It can be set to one of the following values:
+
+- `"always"` (default) expects that the shorthand will be used whenever possible.
+- `"methods"` ensures the method shorthand is used (also applies to generators).
+- `"properties"` ensures the property shorthand is used (where the key and variable name match).
+- `"never"` ensures that no property or method shorthand is used in any object literal.
+- `"consistent"` ensures that either all shorthand or all long-form will be used in an object literal.
+- `"consistent-as-needed"` ensures that either all shorthand or all long-form will be used in an object literal, but ensures all shorthand whenever possible.
+
+You can set the option in configuration like this:
+
+```json
+{
+    "object-shorthand": ["error", "always"]
+}
+```
+
+Additionally, the rule takes an optional object configuration:
+
+- `"avoidQuotes": true` indicates that long-form syntax is preferred whenever the object key is a string literal (default: `false`). Note that this option can only be enabled when the string option is set to `"always"`, `"methods"`, or `"properties"`.
+- `"ignoreConstructors": true` can be used to prevent the rule from reporting errors for constructor functions. (By default, the rule treats constructors the same way as other functions.) Note that this option can only be enabled when the string option is set to `"always"` or `"methods"`.
+- `"avoidExplicitReturnArrows": true` indicates that methods are preferred over explicit-return arrow functions for function properties. (By default, the rule allows either of these.) Note that this option can only be enabled when the string option is set to `"always"` or `"methods"`.
+
+### `avoidQuotes`
+
+```json
+{
+    "object-shorthand": ["error", "always", { "avoidQuotes": true }]
+}
+```
+
+Example of **incorrect** code for this rule with the `"always", { "avoidQuotes": true }` option:
+
+```js
+/*eslint object-shorthand: ["error", "always", { "avoidQuotes": true }]*/
+/*eslint-env es6*/
+
+var foo = {
+    "bar-baz"() {}
+};
+```
+
+Example of **correct** code for this rule with the `"always", { "avoidQuotes": true }` option:
+
+```js
+/*eslint object-shorthand: ["error", "always", { "avoidQuotes": true }]*/
+/*eslint-env es6*/
+
+var foo = {
+    "bar-baz": function() {},
+    "qux": qux
+};
+```
+
+### `ignoreConstructors`
+
+```json
+{
+    "object-shorthand": ["error", "always", { "ignoreConstructors": true }]
+}
+```
+
+Example of **correct** code for this rule with the `"always", { "ignoreConstructors": true }` option:
+
+```js
+/*eslint object-shorthand: ["error", "always", { "ignoreConstructors": true }]*/
+/*eslint-env es6*/
+
+var foo = {
+    ConstructorFunction: function() {}
+};
+```
+
+### `avoidExplicitReturnArrows`
+
+```json
+{
+    "object-shorthand": ["error", "always", { "avoidExplicitReturnArrows": true }]
+}
+```
+
+Example of **incorrect** code for this rule with the `"always", { "avoidExplicitReturnArrows": true }` option:
+
+```js
+/*eslint object-shorthand: ["error", "always", { "avoidExplicitReturnArrows": true }]*/
+/*eslint-env es6*/
+
+var foo = {
+  foo: (bar, baz) => {
+    return bar + baz;
+  },
+
+  qux: (foobar) => {
+    return foobar * 2;
+  }
+};
+```
+
+Example of **correct** code for this rule with the `"always", { "avoidExplicitReturnArrows": true }` option:
+
+```js
+/*eslint object-shorthand: ["error", "always", { "avoidExplicitReturnArrows": true }]*/
+/*eslint-env es6*/
+
+var foo = {
+  foo(bar, baz) {
+    return bar + baz;
+  },
+
+  qux: foobar => foobar * 2
+};
+```
+
+Example of **incorrect** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint object-shorthand: [2, "consistent"]*/
+/*eslint-env es6*/
+
+var foo = {
+    a,
+    b: "foo",
+};
+```
+
+Examples of **correct** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint object-shorthand: [2, "consistent"]*/
+/*eslint-env es6*/
+
+var foo = {
+    a: a,
+    b: "foo"
+};
+
+var bar = {
+    a,
+    b,
+};
+```
+
+Example of **incorrect** code with the `"consistent-as-needed"` option, which is very similar to `"consistent"`:
+
+```js
+/*eslint object-shorthand: [2, "consistent-as-needed"]*/
+/*eslint-env es6*/
+
+var foo = {
+    a: a,
+    b: b,
+};
+```
+
+## When Not To Use It
+
+Anyone not yet in an ES6 environment would not want to apply this rule. Others may find the terseness of the shorthand
+syntax harder to read and may not want to encourage it with this rule.
+
+## Further Reading
+
+[Object initializer - MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer)
diff --git a/eslint/docs/rules/one-var-declaration-per-line.md b/eslint/docs/rules/one-var-declaration-per-line.md
new file mode 100644
index 0000000..90f67a9
--- /dev/null
+++ b/eslint/docs/rules/one-var-declaration-per-line.md
@@ -0,0 +1,89 @@
+# require or disallow newlines around variable declarations (one-var-declaration-per-line)
+
+Some developers declare multiple var statements on the same line:
+
+```js
+var foo, bar, baz;
+```
+
+Others prefer to declare one var per line.
+
+```js
+var foo,
+    bar,
+    baz;
+```
+
+Keeping to one of these styles across a project's codebase can help with maintaining code consistency.
+
+## Rule Details
+
+This rule enforces a consistent newlines around variable declarations. This rule ignores variable declarations inside `for` loop conditionals.
+
+## Options
+
+This rule has a single string option:
+
+* `"initializations"` (default) enforces a newline around variable initializations
+* `"always"` enforces a newline around variable declarations
+
+### initializations
+
+Examples of **incorrect** code for this rule with the default `"initializations"` option:
+
+```js
+/*eslint one-var-declaration-per-line: ["error", "initializations"]*/
+/*eslint-env es6*/
+
+var a, b, c = 0;
+
+let a,
+    b = 0, c;
+```
+
+Examples of **correct** code for this rule with the default `"initializations"` option:
+
+```js
+/*eslint one-var-declaration-per-line: ["error", "initializations"]*/
+/*eslint-env es6*/
+
+var a, b;
+
+let a,
+    b;
+
+let a,
+    b = 0;
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint one-var-declaration-per-line: ["error", "always"]*/
+/*eslint-env es6*/
+
+var a, b;
+
+let a, b = 0;
+
+const a = 0, b = 0;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint one-var-declaration-per-line: ["error", "always"]*/
+/*eslint-env es6*/
+
+var a,
+    b;
+
+let a,
+    b = 0;
+```
+
+## Related Rules
+
+* [one-var](one-var.md)
diff --git a/eslint/docs/rules/one-var.md b/eslint/docs/rules/one-var.md
new file mode 100644
index 0000000..3c964c4
--- /dev/null
+++ b/eslint/docs/rules/one-var.md
@@ -0,0 +1,542 @@
+# enforce variables to be declared either together or separately in functions (one-var)
+
+Variables can be declared at any point in JavaScript code using `var`, `let`, or `const`. There are many styles and preferences related to the declaration of variables, and one of those is deciding on how many variable declarations should be allowed in a single function.
+
+There are two schools of thought in this regard:
+
+1. There should be just one variable declaration for all variables in the function. That declaration typically appears at the top of the function.
+1. You should use one variable declaration for each variable you want to define.
+
+For instance:
+
+```js
+// one variable declaration per function
+function foo() {
+    var bar, baz;
+}
+
+// multiple variable declarations per function
+function foo() {
+    var bar;
+    var baz;
+}
+```
+
+The single-declaration school of thought is based in pre-ECMAScript 6 behaviors, where there was no such thing as block scope, only function scope. Since all `var` statements are hoisted to the top of the function anyway, some believe that declaring all variables in a single declaration at the top of the function removes confusion around scoping rules.
+
+## Rule Details
+
+This rule enforces variables to be declared either together or separately per function ( for `var`) or block (for `let` and `const`) scope.
+
+## Options
+
+This rule has one option, which can be a string option or an object option.
+
+String option:
+
+* `"always"` (default) requires one variable declaration per scope
+* `"never"` requires multiple variable declarations per scope
+* `"consecutive"` allows multiple variable declarations per scope but requires consecutive variable declarations to be combined into a single declaration
+
+Object option:
+
+* `"var": "always"` requires one `var` declaration per function
+* `"var": "never"` requires multiple `var` declarations per function
+* `"var": "consecutive"` requires consecutive `var` declarations to be a single declaration
+* `"let": "always"` requires one `let` declaration per block
+* `"let": "never"` requires multiple `let` declarations per block
+* `"let": "consecutive"` requires consecutive `let` declarations to be a single declaration
+* `"const": "always"` requires one `const` declaration per block
+* `"const": "never"` requires multiple `const` declarations per block
+* `"const": "consecutive"` requires consecutive `const` declarations to be a single declaration
+* `"separateRequires": true` enforces `requires` to be separate from declarations
+
+Alternate object option:
+
+* `"initialized": "always"` requires one variable declaration for initialized variables per scope
+* `"initialized": "never"` requires multiple variable declarations for initialized variables per scope
+* `"initialized": "consecutive"` requires consecutive variable declarations for initialized variables to be a single declaration
+* `"uninitialized": "always"` requires one variable declaration for uninitialized variables per scope
+* `"uninitialized": "never"` requires multiple variable declarations for uninitialized variables per scope
+* `"uninitialized": "consecutive"` requires consecutive variable declarations for uninitialized variables to be a single declaration
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint one-var: ["error", "always"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    var baz;
+    let qux;
+    let norf;
+}
+
+function foo(){
+    const bar = false;
+    const baz = true;
+    let qux;
+    let norf;
+}
+
+function foo() {
+    var bar;
+
+    if (baz) {
+        var qux = true;
+    }
+}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint one-var: ["error", "always"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar,
+        baz;
+    let qux,
+        norf;
+}
+
+function foo(){
+    const bar = true,
+        baz = false;
+    let qux,
+        norf;
+}
+
+function foo() {
+    var bar,
+        qux;
+
+    if (baz) {
+        qux = true;
+    }
+}
+
+function foo(){
+    let bar;
+
+    if (baz) {
+        let qux;
+    }
+}
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint one-var: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar,
+        baz;
+    const bar = true,
+        baz = false;
+}
+
+function foo() {
+    var bar,
+        qux;
+
+    if (baz) {
+        qux = true;
+    }
+}
+
+function foo(){
+    let bar = true,
+        baz = false;
+}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint one-var: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    var baz;
+}
+
+function foo() {
+    var bar;
+
+    if (baz) {
+        var qux = true;
+    }
+}
+
+function foo() {
+    let bar;
+
+    if (baz) {
+        let qux = true;
+    }
+}
+```
+
+### consecutive
+
+Examples of **incorrect** code for this rule with the `"consecutive"` option:
+
+```js
+/*eslint one-var: ["error", "consecutive"]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    var baz;
+}
+
+function foo(){
+    var bar = 1;
+    var baz = 2;
+
+    qux();
+
+    var qux = 3;
+    var quux;
+}
+```
+
+Examples of **correct** code for this rule with the `"consecutive"` option:
+
+```js
+/*eslint one-var: ["error", "consecutive"]*/
+/*eslint-env es6*/
+
+
+function foo() {
+    var bar,
+        baz;
+}
+
+function foo(){
+    var bar = 1,
+        baz = 2;
+
+    qux();
+
+    var qux = 3,
+        quux;
+}
+```
+
+### var, let, and const
+
+Examples of **incorrect** code for this rule with the `{ var: "always", let: "never", const: "never" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "always", let: "never", const: "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar;
+    var baz;
+    let qux,
+        norf;
+}
+
+function foo() {
+    const bar = 1,
+          baz = 2;
+    let qux,
+        norf;
+}
+```
+
+Examples of **correct** code for this rule with the `{ var: "always", let: "never", const: "never" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "always", let: "never", const: "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar,
+        baz;
+    let qux;
+    let norf;
+}
+
+function foo() {
+    const bar = 1;
+    const baz = 2;
+    let qux;
+    let norf;
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ var: "never" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar,
+        baz;
+}
+```
+
+Examples of **correct** code for this rule with the `{ var: "never" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var bar,
+        baz;
+    const bar = 1; // `const` and `let` declarations are ignored if they are not specified
+    const baz = 2;
+    let qux;
+    let norf;
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ separateRequires: true }` option:
+
+```js
+/*eslint one-var: ["error", { separateRequires: true, var: "always" }]*/
+/*eslint-env node*/
+
+var foo = require("foo"),
+    bar = "bar";
+```
+
+Examples of **correct** code for this rule with the `{ separateRequires: true }` option:
+
+```js
+/*eslint one-var: ["error", { separateRequires: true, var: "always" }]*/
+/*eslint-env node*/
+
+var foo = require("foo");
+var bar = "bar";
+```
+
+```js
+var foo = require("foo"),
+    bar = require("bar");
+```
+
+Examples of **incorrect** code for this rule with the `{ var: "never", let: "consecutive", const: "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "never", let: "consecutive", const: "consecutive" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    let a,
+        b;
+    let c;
+
+    var d,
+        e;
+}
+
+function foo() {
+    const a = 1,
+        b = 2;
+    const c = 3;
+
+    var d,
+        e;
+}
+```
+
+Examples of **correct** code for this rule with the `{ var: "never", let: "consecutive", const: "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "never", let: "consecutive", const: "consecutive" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    let a,
+        b;
+
+    var d;
+    var e;
+
+    let f;
+}
+
+function foo() {
+    const a = 1,
+          b = 2;
+
+    var c;
+    var d;
+
+    const e = 3;
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ var: "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "consecutive" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var a;
+    var b;
+}
+```
+
+Examples of **correct** code for this rule with the `{ var: "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { var: "consecutive" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var a,
+        b;
+    const c = 1; // `const` and `let` declarations are ignored if they are not specified
+    const d = 2;
+    let e;
+    let f;
+}
+```
+
+### initialized and uninitialized
+
+Examples of **incorrect** code for this rule with the `{ "initialized": "always", "uninitialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "always", "uninitialized": "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var a, b, c;
+    var foo = true;
+    var bar = false;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "initialized": "always", "uninitialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "always", "uninitialized": "never" }]*/
+
+function foo() {
+    var a;
+    var b;
+    var c;
+    var foo = true,
+        bar = false;
+}
+
+for (let z of foo) {
+    doSomething(z);
+}
+
+let z;
+for (z of foo) {
+    doSomething(z);
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "initialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "never" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    var foo = true,
+        bar = false;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "initialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "never" }]*/
+
+function foo() {
+    var foo = true;
+    var bar = false;
+    var a, b, c; // Uninitialized variables are ignored
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "initialized": "consecutive", "uninitialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "consecutive", "uninitialized": "never" }]*/
+
+function foo() {
+    var a = 1;
+    var b = 2;
+    var c,
+        d;
+    var e = 3;
+    var f = 4;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "initialized": "consecutive", "uninitialized": "never" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "consecutive", "uninitialized": "never" }]*/
+
+function foo() {
+    var a = 1,
+        b = 2;
+    var c;
+    var d;
+    var e = 3,
+        f = 4;
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "initialized": "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "consecutive" }]*/
+
+function foo() {
+    var a = 1;
+    var b = 2;
+
+    foo();
+
+    var c = 3;
+    var d = 4;
+}
+```
+
+Examples of **correct** code for this rule with the `{ "initialized": "consecutive" }` option:
+
+```js
+/*eslint one-var: ["error", { "initialized": "consecutive" }]*/
+
+function foo() {
+    var a = 1,
+        b = 2;
+
+    foo();
+
+    var c = 3,
+        d = 4;
+}
+```
+
+## Compatibility
+
+* **JSHint**: This rule maps to the `onevar` JSHint rule, but allows `let` and `const` to be configured separately.
+* **JSCS**: This rule roughly maps to [disallowMultipleVarDecl](https://jscs-dev.github.io/rule/disallowMultipleVarDecl).
+* **JSCS**: This rule option `separateRequires` roughly maps to [requireMultipleVarDecl](https://jscs-dev.github.io/rule/requireMultipleVarDecl).
diff --git a/eslint/docs/rules/operator-assignment.md b/eslint/docs/rules/operator-assignment.md
new file mode 100644
index 0000000..570f57c
--- /dev/null
+++ b/eslint/docs/rules/operator-assignment.md
@@ -0,0 +1,81 @@
+# require or disallow assignment operator shorthand where possible (operator-assignment)
+
+JavaScript provides shorthand operators that combine variable assignment and some simple mathematical operations. For example, `x = x + 4` can be shortened to `x += 4`. The supported shorthand forms are as follows:
+
+```text
+ Shorthand | Separate
+-----------|------------
+ x += y    | x = x + y
+ x -= y    | x = x - y
+ x *= y    | x = x * y
+ x /= y    | x = x / y
+ x %= y    | x = x % y
+ x <<= y   | x = x << y
+ x >>= y   | x = x >> y
+ x >>>= y  | x = x >>> y
+ x &= y    | x = x & y
+ x ^= y    | x = x ^ y
+ x |= y    | x = x | y
+```
+
+## Rule Details
+
+This rule requires or disallows assignment operator shorthand where possible.
+
+## Options
+
+This rule has a single string option:
+
+* `"always"` (default)  requires assignment operator shorthand where possible
+* `"never"` disallows assignment operator shorthand
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint operator-assignment: ["error", "always"]*/
+
+x = x + y;
+x = y * x;
+x[0] = x[0] / y;
+x.y = x.y << z;
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint operator-assignment: ["error", "always"]*/
+
+x = y;
+x += y;
+x = y * z;
+x = (x * y) * z;
+x[0] /= y;
+x[foo()] = x[foo()] % 2;
+x = y + x; // `+` is not always commutative (e.g. x = "abc")
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint operator-assignment: ["error", "never"]*/
+
+x *= y;
+x ^= (y + z) / foo();
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint operator-assignment: ["error", "never"]*/
+
+x = x + y;
+x.y = x.y / a.b;
+```
+
+## When Not To Use It
+
+Use of operator assignment shorthand is a stylistic choice. Leaving this rule turned off would allow developers to choose which style is more readable on a case-by-case basis.
diff --git a/eslint/docs/rules/operator-linebreak.md b/eslint/docs/rules/operator-linebreak.md
new file mode 100644
index 0000000..3b1986e
--- /dev/null
+++ b/eslint/docs/rules/operator-linebreak.md
@@ -0,0 +1,266 @@
+# enforce consistent linebreak style for operators (operator-linebreak)
+
+When a statement is too long to fit on a single line, line breaks are generally inserted next to the operators separating expressions. The first style coming to mind would be to place the operator at the end of the line, following the English punctuation rules.
+
+```js
+var fullHeight = borderTop +
+                 innerHeight +
+                 borderBottom;
+```
+
+Some developers find that placing operators at the beginning of the line makes the code more readable.
+
+```js
+var fullHeight = borderTop
+               + innerHeight
+               + borderBottom;
+```
+
+## Rule Details
+
+This rule enforces a consistent linebreak style for operators.
+
+## Options
+
+This rule has one option, which can be a string option or an object option.
+
+String option:
+
+* `"after"` requires linebreaks to be placed after the operator
+* `"before"` requires linebreaks to be placed before the operator
+* `"none"` disallows linebreaks on either side of the operator
+
+Object option:
+
+* `"overrides"` overrides the global setting for specified operators
+
+The default configuration is `"after", { "overrides": { "?": "before", ":": "before" } }`
+
+### after
+
+Examples of **incorrect** code for this rule with the `"after"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after"]*/
+
+foo = 1
++
+2;
+
+foo = 1
+    + 2;
+
+foo
+    = 5;
+
+if (someCondition
+    || otherCondition) {
+}
+
+answer = everything
+  ? 42
+  : foo;
+```
+
+Examples of **correct** code for this rule with the `"after"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after"]*/
+
+foo = 1 + 2;
+
+foo = 1 +
+      2;
+
+foo =
+    5;
+
+if (someCondition ||
+    otherCondition) {
+}
+
+answer = everything ?
+  42 :
+  foo;
+```
+
+### before
+
+Examples of **incorrect** code for this rule with the `"before"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "before"]*/
+
+foo = 1 +
+      2;
+
+foo =
+    5;
+
+if (someCondition ||
+    otherCondition) {
+}
+
+answer = everything ?
+  42 :
+  foo;
+```
+
+Examples of **correct** code for this rule with the `"before"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "before"]*/
+
+foo = 1 + 2;
+
+foo = 1
+    + 2;
+
+foo
+    = 5;
+
+if (someCondition
+    || otherCondition) {
+}
+
+answer = everything
+  ? 42
+  : foo;
+```
+
+### none
+
+Examples of **incorrect** code for this rule with the `"none"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "none"]*/
+
+foo = 1 +
+      2;
+
+foo = 1
+    + 2;
+
+if (someCondition ||
+    otherCondition) {
+}
+
+if (someCondition
+    || otherCondition) {
+}
+
+answer = everything
+  ? 42
+  : foo;
+
+answer = everything ?
+  42 :
+  foo;
+```
+
+Examples of **correct** code for this rule with the `"none"` option:
+
+```js
+/*eslint operator-linebreak: ["error", "none"]*/
+
+foo = 1 + 2;
+
+foo = 5;
+
+if (someCondition || otherCondition) {
+}
+
+answer = everything ? 42 : foo;
+```
+
+### overrides
+
+Examples of additional **incorrect** code for this rule with the `{ "overrides": { "+=": "before" } }` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after", { "overrides": { "+=": "before" } }]*/
+
+var thing = 'thing';
+thing +=
+  's';
+```
+
+Examples of additional **correct** code for this rule with the `{ "overrides": { "+=": "before" } }` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after", { "overrides": { "+=": "before" } }]*/
+
+var thing = 'thing';
+thing
+  += 's';
+```
+
+Examples of additional **correct** code for this rule with the `{ "overrides": { "?": "ignore", ":": "ignore" } }` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after", { "overrides": { "?": "ignore", ":": "ignore" } }]*/
+
+answer = everything ?
+  42
+  : foo;
+
+answer = everything
+  ?
+  42
+  :
+  foo;
+```
+
+Examples of **incorrect** code for this rule with the default `"after", { "overrides": { "?": "before", ":": "before" } }` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after", { "overrides": { "?": "before", ":": "before" } }]*/
+
+foo = 1
++
+2;
+
+foo = 1
+    + 2;
+
+foo
+    = 5;
+
+if (someCondition
+    || otherCondition) {
+}
+
+answer = everything ?
+  42 :
+  foo;
+```
+
+Examples of **correct** code for this rule with the default `"after", { "overrides": { "?": "before", ":": "before" } }` option:
+
+```js
+/*eslint operator-linebreak: ["error", "after", { "overrides": { "?": "before", ":": "before" } }]*/
+
+foo = 1 + 2;
+
+foo = 1 +
+      2;
+
+foo =
+    5;
+
+if (someCondition ||
+    otherCondition) {
+}
+
+answer = everything
+  ? 42
+  : foo;
+```
+
+## When Not To Use It
+
+If your project will not be using a common operator line break style, turn this rule off.
+
+## Related Rules
+
+* [comma-style](comma-style.md)
diff --git a/eslint/docs/rules/padded-blocks.md b/eslint/docs/rules/padded-blocks.md
new file mode 100644
index 0000000..d8b855e
--- /dev/null
+++ b/eslint/docs/rules/padded-blocks.md
@@ -0,0 +1,399 @@
+# require or disallow padding within blocks (padded-blocks)
+
+Some style guides require block statements to start and end with blank lines. The goal is
+to improve readability by visually separating the block content and the surrounding code.
+
+```js
+if (a) {
+
+    b();
+
+}
+```
+
+Since it's good to have a consistent code style, you should either always write
+padded blocks or never do it.
+
+## Rule Details
+
+This rule enforces consistent empty line padding within blocks.
+
+## Options
+
+This rule has two options, the first one can be a string option or an object option.
+The second one is an object option, it can allow exceptions.
+
+### First option
+
+String option:
+
+* `"always"` (default) requires empty lines at the beginning and ending of block statements and classes
+* `"never"` disallows empty lines at the beginning and ending of block statements and classes
+
+Object option:
+
+* `"blocks"` require or disallow padding within block statements
+* `"classes"` require or disallow padding within classes
+* `"switches"` require or disallow padding within `switch` statements
+
+### Second option
+
+* `"allowSingleLineBlocks": true` allows single-line blocks
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint padded-blocks: ["error", "always"]*/
+
+if (a) {
+    b();
+}
+
+if (a) { b(); }
+
+if (a)
+{
+    b();
+}
+
+if (a) {
+    b();
+
+}
+
+if (a) {
+    // comment
+    b();
+
+}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint padded-blocks: ["error", "always"]*/
+
+if (a) {
+
+    b();
+
+}
+
+if (a)
+{
+
+    b();
+
+}
+
+if (a) {
+
+    // comment
+    b();
+
+}
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint padded-blocks: ["error", "never"]*/
+
+if (a) {
+
+    b();
+
+}
+
+if (a)
+{
+
+    b();
+
+}
+
+if (a) {
+
+    b();
+}
+
+if (a) {
+    b();
+
+}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint padded-blocks: ["error", "never"]*/
+
+if (a) {
+    b();
+}
+
+if (a)
+{
+    b();
+}
+```
+
+### blocks
+
+Examples of **incorrect** code for this rule with the `{ "blocks": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "blocks": "always" }]*/
+
+if (a) {
+    b();
+}
+
+if (a) { b(); }
+
+if (a)
+{
+    b();
+}
+
+if (a) {
+
+    b();
+}
+
+if (a) {
+    b();
+
+}
+
+if (a) {
+    // comment
+    b();
+
+}
+```
+
+Examples of **correct** code for this rule with the `{ "blocks": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "blocks": "always" }]*/
+
+if (a) {
+
+    b();
+
+}
+
+if (a)
+{
+
+    b();
+
+}
+
+if (a) {
+
+    // comment
+    b();
+
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "blocks": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "blocks": "never" }]*/
+
+if (a) {
+
+    b();
+
+}
+
+if (a)
+{
+
+    b();
+
+}
+
+if (a) {
+
+    b();
+}
+
+if (a) {
+    b();
+
+}
+```
+
+Examples of **correct** code for this rule with the `{ "blocks": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "blocks": "never" }]*/
+
+if (a) {
+    b();
+}
+
+if (a)
+{
+    b();
+}
+```
+
+### classes
+
+Examples of **incorrect** code for this rule with the `{ "classes": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "classes": "always" }]*/
+
+class  A {
+    constructor(){
+    }
+}
+```
+
+Examples of **correct** code for this rule with the `{ "classes": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "classes": "always" }]*/
+
+class  A {
+
+    constructor(){
+    }
+
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "classes": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "classes": "never" }]*/
+
+class  A {
+
+    constructor(){
+    }
+
+}
+```
+
+Examples of **correct** code for this rule with the `{ "classes": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "classes": "never" }]*/
+
+class  A {
+    constructor(){
+    }
+}
+```
+
+### switches
+
+Examples of **incorrect** code for this rule with the `{ "switches": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "switches": "always" }]*/
+
+switch (a) {
+    case 0: foo();
+}
+```
+
+Examples of **correct** code for this rule with the `{ "switches": "always" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "switches": "always" }]*/
+
+switch (a) {
+
+    case 0: foo();
+
+}
+
+if (a) {
+    b();
+}
+```
+
+Examples of **incorrect** code for this rule with the `{ "switches": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "switches": "never" }]*/
+
+switch (a) {
+
+    case 0: foo();
+
+}
+```
+
+Examples of **correct** code for this rule with the `{ "switches": "never" }` option:
+
+```js
+/*eslint padded-blocks: ["error", { "switches": "never" }]*/
+
+switch (a) {
+    case 0: foo();
+}
+
+if (a) {
+
+    b();
+
+}
+```
+
+### always + allowSingleLineBlocks
+
+Examples of **incorrect** code for this rule with the `"always", {"allowSingleLineBlocks": true}` options:
+
+```js
+/*eslint padded-blocks: ["error", "always", { allowSingleLineBlocks: true }]*/
+
+if (a) {
+    b();
+}
+
+if (a) {
+
+    b();
+}
+
+if (a) {
+    b();
+
+}
+```
+
+Examples of **correct** code for this rule with the `"always", {"allowSingleLineBlocks": true}` options:
+
+```js
+/*eslint padded-blocks: ["error", "always", { allowSingleLineBlocks: true }]*/
+
+if (a) { b(); }
+
+if (a) {
+
+    b();
+
+}
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of padding within blocks.
+
+## Related Rules
+
+* [lines-between-class-members](lines-between-class-members.md)
+* [padding-line-between-statements](padding-line-between-statements.md)
diff --git a/eslint/docs/rules/padding-line-between-statements.md b/eslint/docs/rules/padding-line-between-statements.md
new file mode 100644
index 0000000..1f2c4ab
--- /dev/null
+++ b/eslint/docs/rules/padding-line-between-statements.md
@@ -0,0 +1,242 @@
+# Require or disallow padding lines between statements (padding-line-between-statements)
+
+This rule requires or disallows blank lines between the given 2 kinds of statements.
+Properly blank lines help developers to understand the code.
+
+For example, the following configuration requires a blank line between a variable declaration and a `return` statement.
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: "var", next: "return" }
+]*/
+
+function foo() {
+    var a = 1;
+
+    return a;
+}
+```
+
+## Rule Details
+
+This rule does nothing if no configurations are provided.
+
+A configuration is an object which has 3 properties; `blankLine`, `prev` and `next`. For example, `{ blankLine: "always", prev: "var", next: "return" }` means "one or more blank lines are required between a variable declaration and a `return` statement."
+You can supply any number of configurations. If a statement pair matches multiple configurations, the last matched configuration will be used.
+
+```json
+{
+    "padding-line-between-statements": [
+        "error",
+        { "blankLine": LINEBREAK_TYPE, "prev": STATEMENT_TYPE, "next": STATEMENT_TYPE },
+        { "blankLine": LINEBREAK_TYPE, "prev": STATEMENT_TYPE, "next": STATEMENT_TYPE },
+        { "blankLine": LINEBREAK_TYPE, "prev": STATEMENT_TYPE, "next": STATEMENT_TYPE },
+        { "blankLine": LINEBREAK_TYPE, "prev": STATEMENT_TYPE, "next": STATEMENT_TYPE },
+        ...
+    ]
+}
+```
+
+- `LINEBREAK_TYPE` is one of the following.
+    - `"any"` just ignores the statement pair.
+    - `"never"` disallows blank lines.
+    - `"always"` requires one or more blank lines. Note it does not count lines that comments exist as blank lines.
+
+- `STATEMENT_TYPE` is one of the following, or an array of the following.
+    - `"*"` is wildcard. This matches any statements.
+    - `"block"` is lonely blocks.
+    - `"block-like"` is block like statements. This matches statements that the last token is the closing brace of blocks; e.g. `{ }`, `if (a) { }`, and `while (a) { }`. Also matches immediately invoked function expression statements.
+    - `"break"` is `break` statements.
+    - `"case"` is `case` labels.
+    - `"cjs-export"` is `export` statements of CommonJS; e.g. `module.exports = 0`, `module.exports.foo = 1`, and `exports.foo = 2`. This is a special case of assignment.
+    - `"cjs-import"` is `import` statements of CommonJS; e.g. `const foo = require("foo")`. This is a special case of variable declarations.
+    - `"class"` is `class` declarations.
+    - `"const"` is `const` variable declarations, both single-line and multiline.
+    - `"continue"` is `continue` statements.
+    - `"debugger"` is `debugger` statements.
+    - `"default"` is `default` labels.
+    - `"directive"` is directive prologues. This matches directives; e.g. `"use strict"`.
+    - `"do"` is `do-while` statements. This matches all statements that the first token is `do` keyword.
+    - `"empty"` is empty statements.
+    - `"export"` is `export` declarations.
+    - `"expression"` is expression statements.
+    - `"for"` is `for` loop families. This matches all statements that the first token is `for` keyword.
+    - `"function"` is function declarations.
+    - `"if"` is `if` statements.
+    - `"iife"` is immediately invoked function expression statements. This matches calls on a function expression, optionally prefixed with a unary operator.
+    - `"import"` is `import` declarations.
+    - `"let"` is `let` variable declarations, both single-line and multiline.
+    - `"multiline-block-like"` is block like statements. This is the same as `block-like` type, but only if the block is multiline.
+    - `"multiline-const"` is multiline `const` variable declarations.
+    - `"multiline-expression"` is expression statements. This is the same as `expression` type, but only if the statement is multiline.
+    - `"multiline-let"` is multiline `let` variable declarations.
+    - `"multiline-var"` is multiline `var` variable declarations.
+    - `"return"` is `return` statements.
+    - `"singleline-const"` is single-line `const` variable declarations.
+    - `"singleline-let"` is single-line `let` variable declarations.
+    - `"singleline-var"` is single-line `var` variable declarations.
+    - `"switch"` is `switch` statements.
+    - `"throw"` is `throw` statements.
+    - `"try"` is `try` statements.
+    - `"var"` is `var` variable declarations, both single-line and multiline.
+    - `"while"` is `while` loop statements.
+    - `"with"` is `with` statements.
+
+## Examples
+
+This configuration would require blank lines before all `return` statements, like the [newline-before-return] rule.
+
+Examples of **incorrect** code for the `[{ blankLine: "always", prev: "*", next: "return" }]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: "*", next: "return" }
+]*/
+
+function foo() {
+    bar();
+    return;
+}
+```
+
+Examples of **correct** code for the `[{ blankLine: "always", prev: "*", next: "return" }]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: "*", next: "return" }
+]*/
+
+function foo() {
+    bar();
+
+    return;
+}
+
+function foo() {
+    return;
+}
+```
+
+----
+
+This configuration would require blank lines after every sequence of variable declarations, like the [newline-after-var] rule.
+
+Examples of **incorrect** code for the `[{ blankLine: "always", prev: ["const", "let", "var"], next: "*"}, { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"]}]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: ["const", "let", "var"], next: "*"},
+    { blankLine: "any",    prev: ["const", "let", "var"], next: ["const", "let", "var"]}
+]*/
+
+function foo() {
+    var a = 0;
+    bar();
+}
+
+function foo() {
+    let a = 0;
+    bar();
+}
+
+function foo() {
+    const a = 0;
+    bar();
+}
+```
+
+Examples of **correct** code for the `[{ blankLine: "always", prev: ["const", "let", "var"], next: "*"}, { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"]}]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: ["const", "let", "var"], next: "*"},
+    { blankLine: "any",    prev: ["const", "let", "var"], next: ["const", "let", "var"]}
+]*/
+
+function foo() {
+    var a = 0;
+    var b = 0;
+
+    bar();
+}
+
+function foo() {
+    let a = 0;
+    const b = 0;
+
+    bar();
+}
+
+function foo() {
+    const a = 0;
+    const b = 0;
+
+    bar();
+}
+```
+
+----
+
+This configuration would require blank lines after all directive prologues, like the [lines-around-directive] rule.
+
+Examples of **incorrect** code for the `[{ blankLine: "always", prev: "directive", next: "*" }, { blankLine: "any", prev: "directive", next: "directive" }]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: "directive", next: "*" },
+    { blankLine: "any",    prev: "directive", next: "directive" }
+]*/
+
+"use strict";
+foo();
+```
+
+Examples of **correct** code for the `[{ blankLine: "always", prev: "directive", next: "*" }, { blankLine: "any", prev: "directive", next: "directive" }]` configuration:
+
+```js
+/*eslint padding-line-between-statements: [
+    "error",
+    { blankLine: "always", prev: "directive", next: "*" },
+    { blankLine: "any",    prev: "directive", next: "directive" }
+]*/
+
+"use strict";
+"use asm";
+
+foo();
+```
+
+## Compatibility
+
+- **JSCS:** [requirePaddingNewLineAfterVariableDeclaration]
+- **JSCS:** [requirePaddingNewLinesAfterBlocks]
+- **JSCS:** [disallowPaddingNewLinesAfterBlocks]
+- **JSCS:** [requirePaddingNewLinesAfterUseStrict]
+- **JSCS:** [disallowPaddingNewLinesAfterUseStrict]
+- **JSCS:** [requirePaddingNewLinesBeforeExport]
+- **JSCS:** [disallowPaddingNewLinesBeforeExport]
+- **JSCS:** [requirePaddingNewlinesBeforeKeywords]
+- **JSCS:** [disallowPaddingNewlinesBeforeKeywords]
+
+## When Not To Use It
+
+If you don't want to notify warnings about linebreaks, then it's safe to disable this rule.
+
+[lines-around-directive]: https://eslint.org/docs/rules/lines-around-directive
+[newline-after-var]: https://eslint.org/docs/rules/newline-after-var
+[newline-before-return]: https://eslint.org/docs/rules/newline-before-return
+[requirePaddingNewLineAfterVariableDeclaration]: https://jscs-dev.github.io/rule/requirePaddingNewLineAfterVariableDeclaration
+[requirePaddingNewLinesAfterBlocks]: https://jscs-dev.github.io/rule/requirePaddingNewLinesAfterBlocks
+[disallowPaddingNewLinesAfterBlocks]: https://jscs-dev.github.io/rule/disallowPaddingNewLinesAfterBlocks
+[requirePaddingNewLinesAfterUseStrict]: https://jscs-dev.github.io/rule/requirePaddingNewLinesAfterUseStrict
+[disallowPaddingNewLinesAfterUseStrict]: https://jscs-dev.github.io/rule/disallowPaddingNewLinesAfterUseStrict
+[requirePaddingNewLinesBeforeExport]: https://jscs-dev.github.io/rule/requirePaddingNewLinesBeforeExport
+[disallowPaddingNewLinesBeforeExport]: https://jscs-dev.github.io/rule/disallowPaddingNewLinesBeforeExport
+[requirePaddingNewlinesBeforeKeywords]: https://jscs-dev.github.io/rule/requirePaddingNewlinesBeforeKeywords
+[disallowPaddingNewlinesBeforeKeywords]: https://jscs-dev.github.io/rule/disallowPaddingNewlinesBeforeKeywords
diff --git a/eslint/docs/rules/prefer-arrow-callback.md b/eslint/docs/rules/prefer-arrow-callback.md
new file mode 100644
index 0000000..c913212
--- /dev/null
+++ b/eslint/docs/rules/prefer-arrow-callback.md
@@ -0,0 +1,100 @@
+# Require using arrow functions for callbacks (prefer-arrow-callback)
+
+Arrow functions can be an attractive alternative to function expressions for callbacks or function arguments.
+
+For example, arrow functions are automatically bound to their surrounding scope/context. This provides an alternative to the pre-ES6 standard of explicitly binding function expressions to achieve similar behavior.
+
+Additionally, arrow functions are:
+
+- less verbose, and easier to reason about.
+
+- bound lexically regardless of where or when they are invoked.
+
+## Rule Details
+
+This rule locates function expressions used as callbacks or function arguments. An error will be produced for any that could be replaced by an arrow function without changing the result.
+
+The following examples **will** be flagged:
+
+```js
+/* eslint prefer-arrow-callback: "error" */
+
+foo(function(a) { return a; }); // ERROR
+// prefer: foo(a => a)
+
+foo(function() { return this.a; }.bind(this)); // ERROR
+// prefer: foo(() => this.a)
+```
+
+Instances where an arrow function would not produce identical results will be ignored.
+
+The following examples **will not** be flagged:
+
+```js
+/* eslint prefer-arrow-callback: "error" */
+/* eslint-env es6 */
+
+// arrow function callback
+foo(a => a); // OK
+
+// generator as callback
+foo(function*() { yield; }); // OK
+
+// function expression not used as callback or function argument
+var foo = function foo(a) { return a; }; // OK
+
+// unbound function expression callback
+foo(function() { return this.a; }); // OK
+
+// recursive named function callback
+foo(function bar(n) { return n && n + bar(n - 1); }); // OK
+```
+
+## Options
+
+Access further control over this rule's behavior via an options object.
+
+Default: `{ allowNamedFunctions: false, allowUnboundThis: true }`
+
+### allowNamedFunctions
+
+By default `{ "allowNamedFunctions": false }`, this `boolean` option prohibits using named functions as callbacks or function arguments.
+
+Changing this value to `true` will reverse this option's behavior by allowing use of named functions without restriction.
+
+`{ "allowNamedFunctions": true }` **will not** flag the following example:
+
+```js
+/* eslint prefer-arrow-callback: [ "error", { "allowNamedFunctions": true } ] */
+
+foo(function bar() {});
+```
+
+### allowUnboundThis
+
+By default `{ "allowUnboundThis": true }`, this `boolean` option allows function expressions containing `this` to be used as callbacks, as long as the function in question has not been explicitly bound.
+
+When set to `false` this option prohibits the use of function expressions as callbacks or function arguments entirely, without exception.
+
+`{ "allowUnboundThis": false }` **will** flag the following examples:
+
+```js
+/* eslint prefer-arrow-callback: [ "error", { "allowUnboundThis": false } ] */
+/* eslint-env es6 */
+
+foo(function() { this.a; });
+
+foo(function() { (() => this); });
+
+someArray.map(function(itm) { return this.doSomething(itm); }, someObject);
+```
+
+## When Not To Use It
+
+- In environments that have not yet adopted ES6 language features (ES3/5).
+
+- In ES6+ environments that allow the use of function expressions when describing callbacks or function arguments.
+
+## Further Reading
+
+- [More on ES6 arrow functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions)
diff --git a/eslint/docs/rules/prefer-const.md b/eslint/docs/rules/prefer-const.md
new file mode 100644
index 0000000..3e5a5d0
--- /dev/null
+++ b/eslint/docs/rules/prefer-const.md
@@ -0,0 +1,205 @@
+# Suggest using `const` (prefer-const)
+
+If a variable is never reassigned, using the `const` declaration is better.
+
+`const` declaration tells readers, "this variable is never reassigned," reducing cognitive load and improving maintainability.
+
+## Rule Details
+
+This rule is aimed at flagging variables that are declared using `let` keyword, but never reassigned after the initial assignment.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-const: "error"*/
+/*eslint-env es6*/
+
+// it's initialized and never reassigned.
+let a = 3;
+console.log(a);
+
+let a;
+a = 0;
+console.log(a);
+
+// `i` is redefined (not reassigned) on each loop step.
+for (let i in [1, 2, 3]) {
+    console.log(i);
+}
+
+// `a` is redefined (not reassigned) on each loop step.
+for (let a of [1, 2, 3]) {
+    console.log(a);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-const: "error"*/
+/*eslint-env es6*/
+
+// using const.
+const a = 0;
+
+// it's never initialized.
+let a;
+console.log(a);
+
+// it's reassigned after initialized.
+let a;
+a = 0;
+a = 1;
+console.log(a);
+
+// it's initialized in a different block from the declaration.
+let a;
+if (true) {
+    a = 0;
+}
+console.log(a);
+
+// it's initialized at a place that we cannot write a variable declaration.
+let a;
+if (true) a = 0;
+console.log(a);
+
+// `i` gets a new binding each iteration
+for (const i in [1, 2, 3]) {
+  console.log(i);
+}
+
+// `a` gets a new binding each iteration
+for (const a of [1, 2, 3]) {
+  console.log(a);
+}
+
+// `end` is never reassigned, but we cannot separate the declarations without modifying the scope.
+for (let i = 0, end = 10; i < end; ++i) {
+    console.log(a);
+}
+
+// `predicate` is only assigned once but cannot be separately declared as `const`
+let predicate;
+[object.type, predicate] = foo();
+
+// `a` is only assigned once but cannot be separately declared as `const`
+let a;
+const b = {};
+({ a, c: b.c } = func());
+
+// suggest to use `no-var` rule.
+var b = 3;
+console.log(b);
+```
+
+## Options
+
+```json
+{
+    "prefer-const": ["error", {
+        "destructuring": "any",
+        "ignoreReadBeforeAssign": false
+    }]
+}
+```
+
+### destructuring
+
+The kind of the way to address variables in destructuring.
+There are 2 values:
+
+* `"any"` (default) - If any variables in destructuring should be `const`, this rule warns for those variables.
+* `"all"` - If all variables in destructuring should be `const`, this rule warns the variables. Otherwise, ignores them.
+
+Examples of **incorrect** code for the default `{"destructuring": "any"}` option:
+
+```js
+/*eslint prefer-const: "error"*/
+/*eslint-env es6*/
+
+let {a, b} = obj;    /*error 'b' is never reassigned, use 'const' instead.*/
+a = a + 1;
+```
+
+Examples of **correct** code for the default `{"destructuring": "any"}` option:
+
+```js
+/*eslint prefer-const: "error"*/
+/*eslint-env es6*/
+
+// using const.
+const {a: a0, b} = obj;
+const a = a0 + 1;
+
+// all variables are reassigned.
+let {a, b} = obj;
+a = a + 1;
+b = b + 1;
+```
+
+Examples of **incorrect** code for the `{"destructuring": "all"}` option:
+
+```js
+/*eslint prefer-const: ["error", {"destructuring": "all"}]*/
+/*eslint-env es6*/
+
+// all of `a` and `b` should be const, so those are warned.
+let {a, b} = obj;    /*error 'a' is never reassigned, use 'const' instead.
+                             'b' is never reassigned, use 'const' instead.*/
+```
+
+Examples of **correct** code for the `{"destructuring": "all"}` option:
+
+```js
+/*eslint prefer-const: ["error", {"destructuring": "all"}]*/
+/*eslint-env es6*/
+
+// 'b' is never reassigned, but all of `a` and `b` should not be const, so those are ignored.
+let {a, b} = obj;
+a = a + 1;
+```
+
+### ignoreReadBeforeAssign
+
+This is an option to avoid conflicting with `no-use-before-define` rule (without `"nofunc"` option).
+If `true` is specified, this rule will ignore variables that are read between the declaration and the first assignment.
+Default is `false`.
+
+Examples of **correct** code for the `{"ignoreReadBeforeAssign": true}` option:
+
+```js
+/*eslint prefer-const: ["error", {"ignoreReadBeforeAssign": true}]*/
+/*eslint-env es6*/
+
+let timer;
+function initialize() {
+    if (foo()) {
+        clearInterval(timer);
+    }
+}
+timer = setInterval(initialize, 100);
+```
+
+Examples of **correct** code for the default `{"ignoreReadBeforeAssign": false}` option:
+
+```js
+/*eslint prefer-const: ["error", {"ignoreReadBeforeAssign": false}]*/
+/*eslint-env es6*/
+
+const timer = setInterval(initialize, 100);
+function initialize() {
+    if (foo()) {
+        clearInterval(timer);
+    }
+}
+```
+
+## When Not To Use It
+
+If you don't want to be notified about variables that are never reassigned after initial assignment, you can safely disable this rule.
+
+## Related Rules
+
+* [no-var](no-var.md)
+* [no-use-before-define](no-use-before-define.md)
diff --git a/eslint/docs/rules/prefer-destructuring.md b/eslint/docs/rules/prefer-destructuring.md
new file mode 100644
index 0000000..00b5577
--- /dev/null
+++ b/eslint/docs/rules/prefer-destructuring.md
@@ -0,0 +1,175 @@
+# Prefer destructuring from arrays and objects (prefer-destructuring)
+
+With JavaScript ES6, a new syntax was added for creating variables from an array index or object property, called [destructuring](#further-reading).  This rule enforces usage of destructuring instead of accessing a property through a member expression.
+
+## Rule Details
+
+### Options
+
+This rule takes two sets of configuration objects. The first object parameter determines what types of destructuring the rule applies to.
+
+The two properties, `array` and `object`, can be used to turn on or off the destructuring requirement for each of those types independently. By default, both are true.
+
+Alternatively, you can use separate configurations for different assignment types. It accepts 2 other keys instead of `array` and `object`.
+
+One key is `VariableDeclarator` and the other is `AssignmentExpression`, which can be used to control the destructuring requirement for each of those types independently. Each property accepts an object that accepts two properties, `array` and `object`, which can be used to control the destructuring requirement for each of `array` and `object` independently for variable declarations and assignment expressions.  By default, `array` and `object` are set to true for both `VariableDeclarator` and `AssignmentExpression`.
+
+The rule has a second object with a single key, `enforceForRenamedProperties`, which determines whether the `object` destructuring applies to renamed variables.
+
+**Note**: It is not possible to determine if a variable will be referring to an object or an array at runtime. This rule therefore guesses the assignment type by checking whether the key being accessed is an integer. This can lead to the following possibly confusing situations:
+
+- Accessing an object property whose key is an integer will fall under the category `array` destructuring.
+- Accessing an array element through a computed index will fall under the category `object` destructuring.
+
+Examples of **incorrect** code for this rule:
+
+```javascript
+// With `array` enabled
+var foo = array[0];
+
+// With `object` enabled
+var foo = object.foo;
+var foo = object['foo'];
+```
+
+Examples of **correct** code for this rule:
+
+```javascript
+// With `array` enabled
+var [ foo ] = array;
+var foo = array[someIndex];
+
+// With `object` enabled
+var { foo } = object;
+
+var foo = object.bar;
+
+let foo;
+({ foo } = object);
+```
+
+Examples of **incorrect** code when `enforceForRenamedProperties` is enabled:
+
+```javascript
+var foo = object.bar;
+```
+
+Examples of **correct** code when `enforceForRenamedProperties` is enabled:
+
+```javascript
+var { bar: foo } = object;
+```
+
+An example configuration, with the defaults `array` and `object` filled in, looks like this:
+
+```json
+{
+  "rules": {
+    "prefer-destructuring": ["error", {
+      "array": true,
+      "object": true
+    }, {
+      "enforceForRenamedProperties": false
+    }]
+  }
+}
+```
+
+The two properties, `array` and `object`, which can be used to turn on or off the destructuring requirement for each of those types independently. By default, both are true.
+
+For example, the following configuration enforces only object destructuring, but not array destructuring:
+
+```json
+{
+  "rules": {
+    "prefer-destructuring": ["error", {"object": true, "array": false}]
+  }
+}
+```
+
+An example configuration, with the defaults `VariableDeclarator` and `AssignmentExpression` filled in, looks like this:
+
+```json
+{
+  "rules": {
+    "prefer-destructuring": ["error", {
+      "VariableDeclarator": {
+        "array": false,
+        "object": true
+      },
+      "AssignmentExpression": {
+        "array": true,
+        "object": true
+      }
+    }, {
+      "enforceForRenamedProperties": false
+    }]
+  }
+}
+```
+
+The two properties, `VariableDeclarator` and `AssignmentExpression`, which can be used to turn on or off the destructuring requirement for `array` and `object`. By default, all values are true.
+
+For example, the following configuration enforces object destructuring in variable declarations and enforces array destructuring in assignment expressions.
+
+```json
+{
+  "rules": {
+    "prefer-destructuring": ["error", {
+      "VariableDeclarator": {
+        "array": false,
+        "object": true
+      },
+      "AssignmentExpression": {
+        "array": true,
+        "object": false
+      }
+    }, {
+      "enforceForRenamedProperties": false
+    }]
+  }
+}
+
+```
+
+Examples of **correct** code when object destructuring in `VariableDeclarator` is enforced:
+
+```javascript
+/* eslint prefer-destructuring: ["error", {VariableDeclarator: {object: true}}] */
+var {bar: foo} = object;
+```
+
+Examples of **correct** code when array destructuring in `AssignmentExpression` is enforced:
+
+```javascript
+/* eslint prefer-destructuring: ["error", {AssignmentExpression: {array: true}}] */
+[bar] = array;
+```
+
+## When Not To Use It
+
+If you want to be able to access array indices or object properties directly, you can either configure the rule to your tastes or disable the rule entirely.
+
+Additionally, if you intend to access large array indices directly, like:
+
+```javascript
+var foo = array[100];
+```
+
+Then the `array` part of this rule is not recommended, as destructuring does not match this use case very well.
+
+Or for non-iterable 'array-like' objects:
+
+```javascript
+var $ = require('jquery');
+var foo = $('body')[0];
+var [bar] = $('body'); // fails with a TypeError
+```
+
+
+## Further Reading
+
+If you want to learn more about destructuring, check out the links below:
+
+- [Destructuring Assignment (MDN)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment)
+- [Destructuring and parameter handling in ECMAScript 6 (2ality blog)](http://2ality.com/2015/01/es6-destructuring.html)
diff --git a/eslint/docs/rules/prefer-exponentiation-operator.md b/eslint/docs/rules/prefer-exponentiation-operator.md
new file mode 100644
index 0000000..f5f9e47
--- /dev/null
+++ b/eslint/docs/rules/prefer-exponentiation-operator.md
@@ -0,0 +1,46 @@
+# Disallow the use of `Math.pow` in favor of the `**` operator (prefer-exponentiation-operator)
+
+Introduced in ES2016, the infix exponentiation operator `**` is an alternative for the standard `Math.pow` function.
+
+Infix notation is considered to be more readable and thus more preferable than the function notation.
+
+## Rule Details
+
+This rule disallows calls to `Math.pow` and suggests using the `**` operator instead.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-exponentiation-operator: "error"*/
+
+const foo = Math.pow(2, 8);
+
+const bar = Math.pow(a, b);
+
+let baz = Math.pow(a + b, c + d);
+
+let quux = Math.pow(-1, n);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-exponentiation-operator: "error"*/
+
+const foo = 2 ** 8;
+
+const bar = a ** b;
+
+let baz = (a + b) ** (c + d);
+
+let quux = (-1) ** n;
+```
+
+## When Not To Use It
+
+This rule should not be used unless ES2016 is supported in your codebase.
+
+## Further Reading
+
+* [MDN Arithmetic Operators - Exponentiation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Exponentiation)
+* [Issue 5848: Exponentiation operator ** has different results for numbers and variables from 50 upwards](https://bugs.chromium.org/p/v8/issues/detail?id=5848)
diff --git a/eslint/docs/rules/prefer-named-capture-group.md b/eslint/docs/rules/prefer-named-capture-group.md
new file mode 100644
index 0000000..ff8790c
--- /dev/null
+++ b/eslint/docs/rules/prefer-named-capture-group.md
@@ -0,0 +1,43 @@
+# Suggest using named capture group in regular expression (prefer-named-capture-group)
+
+With the landing of ECMAScript 2018, named capture groups can be used in regular expressions, which can improve their readability.
+
+```js
+const regex = /(?<year>[0-9]{4})/;
+```
+
+## Rule Details
+
+This rule is aimed at using named capture groups instead of numbered capture groups in regular expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-named-capture-group: "error"*/
+
+const foo = /(ba[rz])/;
+const bar = new RegExp('(ba[rz])');
+const baz = RegExp('(ba[rz])');
+
+foo.exec('bar')[1]; // Retrieve the group result.
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-named-capture-group: "error"*/
+
+const foo = /(?<id>ba[rz])/;
+const bar = new RegExp('(?<id>ba[rz])');
+const baz = RegExp('(?<id>ba[rz])');
+
+foo.exec('bar').groups.id; // Retrieve the group result.
+```
+
+## When Not To Use It
+
+If you are targeting ECMAScript 2017 and/or older environments, you can disable this rule, because this ECMAScript feature is only supported in ECMAScript 2018 and/or newer environments.
+
+## Related Rules
+
+* [no-invalid-regexp](./no-invalid-regexp.md)
diff --git a/eslint/docs/rules/prefer-numeric-literals.md b/eslint/docs/rules/prefer-numeric-literals.md
new file mode 100644
index 0000000..bf81e5e
--- /dev/null
+++ b/eslint/docs/rules/prefer-numeric-literals.md
@@ -0,0 +1,57 @@
+# disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals (prefer-numeric-literals)
+
+The `parseInt()` and `Number.parseInt()` functions can be used to turn binary, octal, and hexadecimal strings into integers. As binary, octal, and hexadecimal literals are supported in ES6, this rule encourages use of those numeric literals instead of `parseInt()` or `Number.parseInt()`.
+
+```js
+0b111110111 === 503;
+0o767 === 503;
+```
+
+## Rule Details
+
+This rule disallows calls to `parseInt()` or `Number.parseInt()` if called with two arguments: a string; and a radix option of 2 (binary), 8 (octal), or 16 (hexadecimal).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-numeric-literals: "error"*/
+
+parseInt("111110111", 2) === 503;
+parseInt(`111110111`, 2) === 503;
+parseInt("767", 8) === 503;
+parseInt("1F7", 16) === 503;
+Number.parseInt("111110111", 2) === 503;
+Number.parseInt("767", 8) === 503;
+Number.parseInt("1F7", 16) === 503;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-numeric-literals: "error"*/
+/*eslint-env es6*/
+
+parseInt(1);
+parseInt(1, 3);
+Number.parseInt(1);
+Number.parseInt(1, 3);
+
+0b111110111 === 503;
+0o767 === 503;
+0x1F7 === 503;
+
+a[parseInt](1,2);
+
+parseInt(foo);
+parseInt(foo, 2);
+Number.parseInt(foo);
+Number.parseInt(foo, 2);
+```
+
+## When Not To Use It
+
+If you want to allow use of `parseInt()` or `Number.parseInt()` for binary, octal, or hexadecimal integers, or if you are not using ES6 (because binary and octal literals are not supported in ES5 and below), you may wish to disable this rule.
+
+## Compatibility
+
+* **JSCS**: [requireNumericLiterals](https://jscs-dev.github.io/rule/requireNumericLiterals)
diff --git a/eslint/docs/rules/prefer-object-spread.md b/eslint/docs/rules/prefer-object-spread.md
new file mode 100644
index 0000000..95a6460
--- /dev/null
+++ b/eslint/docs/rules/prefer-object-spread.md
@@ -0,0 +1,49 @@
+# Prefer use of an object spread over `Object.assign` (prefer-object-spread)
+
+When Object.assign is called using an object literal as the first argument, this rule requires using the object spread syntax instead. This rule also warns on cases where an `Object.assign` call is made using a single argument that is an object literal, in this case, the `Object.assign` call is not needed.
+
+Introduced in ES2018, object spread is a declarative alternative which may perform better than the more dynamic, imperative `Object.assign`.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+
+Object.assign({}, foo)
+
+Object.assign({}, {foo: 'bar'})
+
+Object.assign({ foo: 'bar'}, baz)
+
+Object.assign({ foo: 'bar' }, Object.assign({ bar: 'foo' }))
+
+Object.assign({}, { foo, bar, baz })
+
+Object.assign({}, { ...baz })
+
+// Object.assign with a single argument that is an object literal
+Object.assign({});
+
+Object.assign({ foo: bar });
+```
+
+Examples of **correct** code for this rule:
+
+```js
+
+Object.assign(...foo);
+
+// Any Object.assign call without an object literal as the first argument
+Object.assign(foo, { bar: baz });
+
+Object.assign(foo, Object.assign(bar));
+
+Object.assign(foo, { bar, baz })
+
+Object.assign(foo, { ...baz });
+```
+
+## When Not To Use It
+
+This rule should not be used unless ES2018 is supported in your codebase.
diff --git a/eslint/docs/rules/prefer-promise-reject-errors.md b/eslint/docs/rules/prefer-promise-reject-errors.md
new file mode 100644
index 0000000..ac0a227
--- /dev/null
+++ b/eslint/docs/rules/prefer-promise-reject-errors.md
@@ -0,0 +1,79 @@
+# require using Error objects as Promise rejection reasons (prefer-promise-reject-errors)
+
+It is considered good practice to only pass instances of the built-in `Error` object to the `reject()` function for user-defined errors in Promises. `Error` objects automatically store a stack trace, which can be used to debug an error by determining where it came from. If a Promise is rejected with a non-`Error` value, it can be difficult to determine where the rejection occurred.
+
+
+## Rule Details
+
+This rule aims to ensure that Promises are only rejected with `Error` objects.
+
+## Options
+
+This rule takes one optional object argument:
+
+* `allowEmptyReject: true` (`false` by default) allows calls to `Promise.reject()` with no arguments.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-promise-reject-errors: "error"*/
+
+Promise.reject("something bad happened");
+
+Promise.reject(5);
+
+Promise.reject();
+
+new Promise(function(resolve, reject) {
+  reject("something bad happened");
+});
+
+new Promise(function(resolve, reject) {
+  reject();
+});
+
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-promise-reject-errors: "error"*/
+
+Promise.reject(new Error("something bad happened"));
+
+Promise.reject(new TypeError("something bad happened"));
+
+new Promise(function(resolve, reject) {
+  reject(new Error("something bad happened"));
+});
+
+var foo = getUnknownValue();
+Promise.reject(foo);
+```
+
+Examples of **correct** code for this rule with the `allowEmptyReject: true` option:
+
+```js
+/*eslint prefer-promise-reject-errors: ["error", {"allowEmptyReject": true}]*/
+
+Promise.reject();
+
+new Promise(function(resolve, reject) {
+  reject();
+});
+```
+
+## Known Limitations
+
+Due to the limits of static analysis, this rule cannot guarantee that you will only reject Promises with `Error` objects. While the rule will report cases where it can guarantee that the rejection reason is clearly not an `Error`, it will not report cases where there is uncertainty about whether a given reason is an `Error`. For more information on this caveat, see the [similar limitations](no-throw-literal.md#known-limitations) in the `no-throw-literal` rule.
+
+To avoid conflicts between rules, this rule does not report non-error values used in `throw` statements in async functions, even though these lead to Promise rejections. To lint for these cases, use the [`no-throw-literal`](https://eslint.org/docs/rules/no-throw-literal) rule.
+
+## When Not To Use It
+
+If you're using custom non-error values as Promise rejection reasons, you can turn off this rule.
+
+## Further Reading
+
+* [`no-throw-literal`](https://eslint.org/docs/rules/no-throw-literal)
+* [Warning: a promise was rejected with a non-error](http://bluebirdjs.com/docs/warning-explanations.html#warning-a-promise-was-rejected-with-a-non-error)
diff --git a/eslint/docs/rules/prefer-reflect.md b/eslint/docs/rules/prefer-reflect.md
new file mode 100644
index 0000000..55bc1bb
--- /dev/null
+++ b/eslint/docs/rules/prefer-reflect.md
@@ -0,0 +1,339 @@
+# Suggest using Reflect methods where applicable (prefer-reflect)
+
+This rule was **deprecated** in ESLint v3.9.0 and will not be replaced. The original intent of this rule now seems misguided as we have come to understand that `Reflect` methods are not actually intended to replace the `Object` counterparts the rule suggests, but rather exist as low-level primitives to be used with proxies in order to replicate the default behavior of various previously existing functionality.
+
+The ES6 Reflect API comes with a handful of methods which somewhat deprecate methods on old constructors:
+
+* [`Reflect.apply`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.apply) effectively deprecates [`Function.prototype.apply`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-function.prototype.apply) and [`Function.prototype.call`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-function.prototype.call)
+* [`Reflect.deleteProperty`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.deleteproperty) effectively deprecates the [`delete` keyword](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-delete-operator-runtime-semantics-evaluation)
+* [`Reflect.getOwnPropertyDescriptor`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.getownpropertydescriptor) effectively deprecates [`Object.getOwnPropertyDescriptor`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.getownpropertydescriptor)
+* [`Reflect.getPrototypeOf`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.getprototypeof) effectively deprecates [`Object.getPrototypeOf`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.getprototypeof)
+* [`Reflect.setPrototypeOf`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.setprototypeof) effectively deprecates [`Object.setPrototypeOf`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.setprototypeof)
+* [`Reflect.preventExtensions`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-reflect.preventextensions)  effectively deprecates [`Object.preventExtensions`](https://www.ecma-international.org/ecma-262/6.0/index.html#sec-object.preventextensions)
+
+The prefer-reflect rule will flag usage of any older method, suggesting to instead use the newer Reflect version.
+
+## Rule Details
+
+## Options
+
+### Exceptions
+
+```
+"prefer-reflect": [<enabled>, { "exceptions": [<...exceptions>] }]
+```
+
+The `exceptions` option allows you to pass an array of methods names you'd like to continue to use in the old style.
+
+For example if you wish to use all Reflect methods, except for `Function.prototype.apply` then your config would look like `prefer-reflect: [2, { "exceptions": ["apply"] }]`.
+
+If you want to use Reflect methods, but keep using the `delete` keyword, then your config would look like `prefer-reflect: [2, { "exceptions": ["delete"] }]`.
+
+These can be combined as much as you like. To make all methods exceptions (thereby rendering this rule useless), use `prefer-reflect: [2, { "exceptions": ["apply", "call", "defineProperty", "getOwnPropertyDescriptor", "getPrototypeOf", "setPrototypeOf", "isExtensible", "getOwnPropertyNames", "preventExtensions", "delete"] }]`
+
+### Reflect.apply
+
+Deprecates `Function.prototype.apply()` and `Function.prototype.call()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+myFunction.apply(undefined, args);
+myFunction.apply(null, args);
+obj.myMethod.apply(obj, args);
+obj.myMethod.apply(other, args);
+
+myFunction.call(undefined, arg);
+myFunction.call(null, arg);
+obj.myMethod.call(obj, arg);
+obj.myMethod.call(other, arg);
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.apply(myFunction, undefined, args);
+Reflect.apply(myFunction, null, args);
+Reflect.apply(obj.myMethod, obj, args);
+Reflect.apply(obj.myMethod, other, args);
+Reflect.apply(myFunction, undefined, [arg]);
+Reflect.apply(myFunction, null, [arg]);
+Reflect.apply(obj.myMethod, obj, [arg]);
+Reflect.apply(obj.myMethod, other, [arg]);
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["apply"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["apply"] }]*/
+
+// in addition to Reflect.apply(...):
+myFunction.apply(undefined, args);
+myFunction.apply(null, args);
+obj.myMethod.apply(obj, args);
+obj.myMethod.apply(other, args);
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["call"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["call"] }]*/
+
+// in addition to Reflect.apply(...):
+myFunction.call(undefined, arg);
+myFunction.call(null, arg);
+obj.myMethod.call(obj, arg);
+obj.myMethod.call(other, arg);
+```
+
+### Reflect.defineProperty
+
+Deprecates `Object.defineProperty()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.defineProperty({}, 'foo', {value: 1})
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.defineProperty({}, 'foo', {value: 1})
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["defineProperty"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["defineProperty"] }]*/
+
+Object.defineProperty({}, 'foo', {value: 1})
+Reflect.defineProperty({}, 'foo', {value: 1})
+```
+
+### Reflect.getOwnPropertyDescriptor
+
+Deprecates `Object.getOwnPropertyDescriptor()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.getOwnPropertyDescriptor({}, 'foo')
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.getOwnPropertyDescriptor({}, 'foo')
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["getOwnPropertyDescriptor"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["getOwnPropertyDescriptor"] }]*/
+
+Object.getOwnPropertyDescriptor({}, 'foo')
+Reflect.getOwnPropertyDescriptor({}, 'foo')
+```
+
+### Reflect.getPrototypeOf
+
+Deprecates `Object.getPrototypeOf()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.getPrototypeOf({}, 'foo')
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.getPrototypeOf({}, 'foo')
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["getPrototypeOf"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["getPrototypeOf"] }]*/
+
+Object.getPrototypeOf({}, 'foo')
+Reflect.getPrototypeOf({}, 'foo')
+```
+
+### Reflect.setPrototypeOf
+
+Deprecates `Object.setPrototypeOf()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.setPrototypeOf({}, Object.prototype)
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.setPrototypeOf({}, Object.prototype)
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["setPrototypeOf"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["setPrototypeOf"] }]*/
+
+Object.setPrototypeOf({}, Object.prototype)
+Reflect.setPrototypeOf({}, Object.prototype)
+```
+
+### Reflect.isExtensible
+
+Deprecates `Object.isExtensible`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.isExtensible({})
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.isExtensible({})
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["isExtensible"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["isExtensible"] }]*/
+
+Object.isExtensible({})
+Reflect.isExtensible({})
+```
+
+### Reflect.getOwnPropertyNames
+
+Deprecates `Object.getOwnPropertyNames()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.getOwnPropertyNames({})
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.getOwnPropertyNames({})
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["getOwnPropertyNames"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["getOwnPropertyNames"] }]*/
+
+Object.getOwnPropertyNames({})
+Reflect.getOwnPropertyNames({})
+```
+
+### Reflect.preventExtensions
+
+Deprecates `Object.preventExtensions()`
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Object.preventExtensions({})
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+Reflect.preventExtensions({})
+```
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["preventExtensions"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["preventExtensions"] }]*/
+
+Object.preventExtensions({})
+Reflect.preventExtensions({})
+```
+
+### Reflect.deleteProperty
+
+Deprecates the `delete` keyword
+
+Examples of **incorrect** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+delete foo.bar; // deleting object property
+```
+
+Examples of **correct** code for this rule when used without exceptions:
+
+```js
+/*eslint prefer-reflect: "error"*/
+
+delete bar; // deleting variable
+Reflect.deleteProperty(foo, 'bar');
+```
+
+Note: For a rule preventing deletion of variables, see [no-delete-var instead](no-delete-var.md)
+
+Examples of **correct** code for this rule with the `{ "exceptions": ["delete"] }` option:
+
+```js
+/*eslint prefer-reflect: ["error", { "exceptions": ["delete"] }]*/
+
+delete bar
+delete foo.bar
+Reflect.deleteProperty(foo, 'bar');
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+In ES2015 (ES6) or later, if you don't want to be notified about places where Reflect could be used, you can safely disable this rule.
+
+## Related Rules
+
+* [no-useless-call](no-useless-call.md)
+* [prefer-spread](prefer-spread.md)
+* [no-delete-var](no-delete-var.md)
diff --git a/eslint/docs/rules/prefer-regex-literals.md b/eslint/docs/rules/prefer-regex-literals.md
new file mode 100644
index 0000000..fea589d
--- /dev/null
+++ b/eslint/docs/rules/prefer-regex-literals.md
@@ -0,0 +1,94 @@
+# Disallow use of the `RegExp` constructor in favor of regular expression literals (prefer-regex-literals)
+
+There are two ways to create a regular expression:
+
+* Regular expression literals, e.g., `/abc/u`.
+* The `RegExp` constructor function, e.g., `new RegExp("abc", "u")` or `RegExp("abc", "u")`.
+
+The constructor function is particularly useful when you want to dynamically generate the pattern,
+because it takes string arguments.
+
+When using the constructor function with string literals, don't forget that the string escaping rules still apply.
+If you want to put a backslash in the pattern, you need to escape it in the string literal.
+Thus, the following are equivalent:
+
+```js
+new RegExp("^\\d\\.$");
+
+/^\d\.$/;
+
+// matches "0.", "1.", "2." ... "9."
+```
+
+In the above example, the regular expression literal is easier to read and reason about.
+Also, it's a common mistake to omit the extra `\` in the string literal, which would produce a completely different regular expression:
+
+```js
+new RegExp("^\d\.$");
+
+// equivalent to /^d.$/, matches "d1", "d2", "da", "db" ...
+```
+
+When a regular expression is known in advance, it is considered a best practice to avoid the string literal notation on top
+of the regular expression notation, and use regular expression literals instead of the constructor function.
+
+## Rule Details
+
+This rule disallows the use of the `RegExp` constructor function with string literals as its arguments.
+
+This rule also disallows the use of the `RegExp` constructor function with template literals without expressions
+and `String.raw` tagged template literals without expressions.
+
+The rule does not disallow all use of the `RegExp` constructor. It should be still used for
+dynamically generated regular expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-regex-literals: "error"*/
+
+new RegExp("abc");
+
+new RegExp("abc", "u");
+
+RegExp("abc");
+
+RegExp("abc", "u");
+
+new RegExp("\\d\\d\\.\\d\\d\\.\\d\\d\\d\\d");
+
+RegExp(`^\\d\\.$`);
+
+new RegExp(String.raw`^\d\.$`);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-regex-literals: "error"*/
+
+/abc/;
+
+/abc/u;
+
+/\d\d\.\d\d\.\d\d\d\d/;
+
+/^\d\.$/;
+
+// RegExp constructor is allowed for dynamically generated regular expressions
+
+new RegExp(pattern);
+
+RegExp("abc", flags);
+
+new RegExp(prefix + "abc");
+
+RegExp(`${prefix}abc`);
+
+new RegExp(String.raw`^\d\. ${suffix}`);
+```
+
+## Further Reading
+
+* [MDN: Regular Expressions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions)
+* [MDN: RegExp Constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
diff --git a/eslint/docs/rules/prefer-rest-params.md b/eslint/docs/rules/prefer-rest-params.md
new file mode 100644
index 0000000..6930b4f
--- /dev/null
+++ b/eslint/docs/rules/prefer-rest-params.md
@@ -0,0 +1,61 @@
+# Suggest using the rest parameters instead of `arguments` (prefer-rest-params)
+
+There are rest parameters in ES2015.
+We can use that feature for variadic functions instead of the `arguments` variable.
+
+`arguments` does not have methods of `Array.prototype`, so it's a bit of an inconvenience.
+
+## Rule Details
+
+This rule is aimed to flag usage of `arguments` variables.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+function foo() {
+    console.log(arguments);
+}
+
+function foo(action) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    action.apply(null, args);
+}
+
+function foo(action) {
+    var args = [].slice.call(arguments, 1);
+    action.apply(null, args);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+function foo(...args) {
+    console.log(args);
+}
+
+function foo(action, ...args) {
+    action.apply(null, args); // or `action(...args)`, related to the `prefer-spread` rule.
+}
+
+// Note: the implicit arguments can be overwritten.
+function foo(arguments) {
+    console.log(arguments); // This is the first argument.
+}
+function foo() {
+    var arguments = 0;
+    console.log(arguments); // This is a local variable.
+}
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+In ES2015 (ES6) or later, if you don't want to be notified about `arguments` variables, then it's safe to disable this rule.
+
+## Related Rules
+
+* [prefer-spread](prefer-spread.md)
diff --git a/eslint/docs/rules/prefer-spread.md b/eslint/docs/rules/prefer-spread.md
new file mode 100644
index 0000000..0011560
--- /dev/null
+++ b/eslint/docs/rules/prefer-spread.md
@@ -0,0 +1,78 @@
+# Suggest using spread syntax instead of `.apply()`. (prefer-spread)
+
+Before ES2015, one must use `Function.prototype.apply()` to call variadic functions.
+
+```js
+var args = [1, 2, 3, 4];
+Math.max.apply(Math, args);
+```
+
+In ES2015, one can use spread syntax to call variadic functions.
+
+```js
+/*eslint-env es6*/
+
+var args = [1, 2, 3, 4];
+Math.max(...args);
+```
+
+## Rule Details
+
+This rule is aimed to flag usage of `Function.prototype.apply()` in situations where spread syntax could be used instead.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-spread: "error"*/
+
+foo.apply(undefined, args);
+foo.apply(null, args);
+obj.foo.apply(obj, args);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-spread: "error"*/
+
+// Using spread syntax
+foo(...args);
+obj.foo(...args);
+
+// The `this` binding is different.
+foo.apply(obj, args);
+obj.foo.apply(null, args);
+obj.foo.apply(otherObj, args);
+
+// The argument list is not variadic.
+// Those are warned by the `no-useless-call` rule.
+foo.apply(undefined, [1, 2, 3]);
+foo.apply(null, [1, 2, 3]);
+obj.foo.apply(obj, [1, 2, 3]);
+```
+
+Known limitations:
+
+This rule analyzes code statically to check whether or not the `this` argument is changed. So, if the `this` argument is computed in a dynamic expression, this rule cannot detect a violation.
+
+```js
+/*eslint prefer-spread: "error"*/
+
+// This warns.
+a[i++].foo.apply(a[i++], args);
+
+// This does not warn.
+a[++i].foo.apply(a[i], args);
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+In ES2015 (ES6) or later, if you don't want to be notified about `Function.prototype.apply()` callings, you can safely disable this rule.
+
+## Related Rules
+
+* [no-useless-call](no-useless-call.md)
diff --git a/eslint/docs/rules/prefer-template.md b/eslint/docs/rules/prefer-template.md
new file mode 100644
index 0000000..234bd02
--- /dev/null
+++ b/eslint/docs/rules/prefer-template.md
@@ -0,0 +1,53 @@
+# Suggest using template literals instead of string concatenation. (prefer-template)
+
+In ES2015 (ES6), we can use template literals instead of string concatenation.
+
+```js
+var str = "Hello, " + name + "!";
+```
+
+```js
+/*eslint-env es6*/
+
+var str = `Hello, ${name}!`;
+```
+
+## Rule Details
+
+This rule is aimed to flag usage of `+` operators with strings.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint prefer-template: "error"*/
+
+var str = "Hello, " + name + "!";
+var str = "Time: " + (12 * 60 * 60 * 1000);
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint prefer-template: "error"*/
+/*eslint-env es6*/
+
+var str = "Hello World!";
+var str = `Hello, ${name}!`;
+var str = `Time: ${12 * 60 * 60 * 1000}`;
+
+// This is reported by `no-useless-concat`.
+var str = "Hello, " + "World!";
+```
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+
+In ES2015 (ES6) or later, if you don't want to be notified about string concatenation, you can safely disable this rule.
+
+## Related Rules
+
+* [no-useless-concat](no-useless-concat.md)
+* [quotes](quotes.md)
diff --git a/eslint/docs/rules/quote-props.md b/eslint/docs/rules/quote-props.md
new file mode 100644
index 0000000..cccb48d
--- /dev/null
+++ b/eslint/docs/rules/quote-props.md
@@ -0,0 +1,268 @@
+# require quotes around object literal property names (quote-props)
+
+Object literal property names can be defined in two ways: using literals or using strings. For example, these two objects are equivalent:
+
+```js
+var object1 = {
+    property: true
+};
+
+var object2 = {
+    "property": true
+};
+```
+
+In many cases, it doesn't matter if you choose to use an identifier instead of a string or vice-versa. Even so, you might decide to enforce a consistent style in your code.
+
+There are, however, some occasions when you must use quotes:
+
+1. If you are using an ECMAScript 3 JavaScript engine (such as IE8) and you want to use a keyword (such as `if`) as a property name. This restriction was removed in ECMAScript 5.
+2. You want to use a non-identifier character in your property name, such as having a property with a space like `"one two"`.
+
+Another example where quotes do matter is when using numeric literals as property keys:
+
+```js
+var object = {
+    1e2: 1,
+    100: 2
+};
+```
+
+This may look alright at first sight, but this code in fact throws a syntax error in ECMAScript 5 strict mode. This happens because `1e2` and `100` are coerced into strings before getting used as the property name. Both `String(1e2)` and `String(100)` happen to be equal to `"100"`, which causes the "Duplicate data property in object literal not allowed in strict mode" error. Issues like that can be tricky to debug, so some prefer to require quotes around all property names.
+
+## Rule Details
+
+This rule requires quotes around object literal property names.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"always"` (default) requires quotes around all object literal property names
+* `"as-needed"` disallows quotes around object literal property names that are not strictly required
+* `"consistent"` enforces a consistent quote style; in a given object, either all of the properties should be quoted, or none of the properties should be quoted
+* `"consistent-as-needed"` requires quotes around all object literal property names if any name strictly requires quotes, otherwise disallows quotes around object property names
+
+Object option:
+
+* `"keywords": true` requires quotes around language keywords used as object property names (only applies when using `as-needed` or `consistent-as-needed`)
+* `"unnecessary": true` (default) disallows quotes around object literal property names that are not strictly required (only applies when using `as-needed`)
+* `"unnecessary": false` allows quotes around object literal property names that are not strictly required (only applies when using `as-needed`)
+* `"numbers": true` requires quotes around numbers used as object property names (only applies when using `as-needed`)
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint quote-props: ["error", "always"]*/
+
+var object = {
+    foo: "bar",
+    baz: 42
+};
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint quote-props: ["error", "always"]*/
+/*eslint-env es6*/
+
+var object1 = {
+    "foo": "bar",
+    "baz": 42,
+    "qux-lorem": true
+};
+
+var object2 = {
+    'foo': 'bar',
+    'baz': 42,
+    'qux-lorem': true
+};
+
+var object3 = {
+    foo() {
+        return;
+    }
+};
+```
+
+### as-needed
+
+Examples of **incorrect** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint quote-props: ["error", "as-needed"]*/
+
+var object = {
+    "a": 0,
+    "0": 0,
+    "true": 0,
+    "null": 0
+};
+```
+
+Examples of **correct** code for this rule with the `"as-needed"` option:
+
+```js
+/*eslint quote-props: ["error", "as-needed"]*/
+/*eslint-env es6*/
+
+var object1 = {
+    "a-b": 0,
+    "0x0": 0,
+    "1e2": 0
+};
+
+var object2 = {
+    foo: 'bar',
+    baz: 42,
+    true: 0,
+    0: 0,
+    'qux-lorem': true
+};
+
+var object3 = {
+    foo() {
+        return;
+    }
+};
+```
+
+### consistent
+
+Examples of **incorrect** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint quote-props: ["error", "consistent"]*/
+
+var object1 = {
+    foo: "bar",
+    "baz": 42,
+    "qux-lorem": true
+};
+
+var object2 = {
+    'foo': 'bar',
+    baz: 42
+};
+```
+
+Examples of **correct** code for this rule with the `"consistent"` option:
+
+```js
+/*eslint quote-props: ["error", "consistent"]*/
+
+var object1 = {
+    "foo": "bar",
+    "baz": 42,
+    "qux-lorem": true
+};
+
+var object2 = {
+    'foo': 'bar',
+    'baz': 42
+};
+
+var object3 = {
+    foo: 'bar',
+    baz: 42
+};
+```
+
+### consistent-as-needed
+
+Examples of **incorrect** code for this rule with the `"consistent-as-needed"` option:
+
+```js
+/*eslint quote-props: ["error", "consistent-as-needed"]*/
+
+var object1 = {
+    foo: "bar",
+    "baz": 42,
+    "qux-lorem": true
+};
+
+var object2 = {
+    'foo': 'bar',
+    'baz': 42
+};
+```
+
+Examples of **correct** code for this rule with the `"consistent-as-needed"` option:
+
+```js
+/*eslint quote-props: ["error", "consistent-as-needed"]*/
+
+var object1 = {
+    "foo": "bar",
+    "baz": 42,
+    "qux-lorem": true
+};
+
+var object2 = {
+    foo: 'bar',
+    baz: 42
+};
+```
+
+### keywords
+
+Examples of additional **incorrect** code for this rule with the `"as-needed", { "keywords": true }` options:
+
+```js
+/*eslint quote-props: ["error", "as-needed", { "keywords": true }]*/
+
+var x = {
+    while: 1,
+    volatile: "foo"
+};
+```
+
+Examples of additional **incorrect** code for this rule with the `"consistent-as-needed", { "keywords": true }` options:
+
+```js
+/*eslint quote-props: ["error", "consistent-as-needed", { "keywords": true }]*/
+
+var x = {
+    "prop": 1,
+    "bar": "foo"
+};
+```
+
+### unnecessary
+
+Examples of additional **correct** code for this rule with the `"as-needed", { "unnecessary": false }` options:
+
+```js
+/*eslint quote-props: ["error", "as-needed", { "keywords": true, "unnecessary": false }]*/
+
+var x = {
+    "while": 1,
+    "foo": "bar"  // Would normally have caused a warning
+};
+```
+
+### numbers
+
+Examples of additional **incorrect** code for this rule with the `"as-needed", { "numbers": true }` options:
+
+```js
+/*eslint quote-props: ["error", "as-needed", { "numbers": true }]*/
+
+var x = {
+    100: 1
+}
+```
+
+## When Not To Use It
+
+If you don't care if property names are consistently wrapped in quotes or not, and you don't target legacy ES3 environments, turn this rule off.
+
+## Further Reading
+
+* [Reserved words as property names](https://kangax.github.io/compat-table/es5/#Reserved_words_as_property_names)
+* [Unquoted property names / object keys in JavaScript](https://mathiasbynens.be/notes/javascript-properties)
diff --git a/eslint/docs/rules/quotes.md b/eslint/docs/rules/quotes.md
new file mode 100644
index 0000000..25a09fd
--- /dev/null
+++ b/eslint/docs/rules/quotes.md
@@ -0,0 +1,154 @@
+# enforce the consistent use of either backticks, double, or single quotes (quotes)
+
+JavaScript allows you to define strings in one of three ways: double quotes, single quotes, and backticks (as of ECMAScript 6). For example:
+
+```js
+/*eslint-env es6*/
+
+var double = "double";
+var single = 'single';
+var backtick = `backtick`;    // ES6 only
+```
+
+Each of these lines creates a string and, in some cases, can be used interchangeably. The choice of how to define strings in a codebase is a stylistic one outside of template literals (which allow embedded of expressions to be interpreted).
+
+Many codebases require strings to be defined in a consistent manner.
+
+## Rule Details
+
+This rule enforces the consistent use of either backticks, double, or single quotes.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"double"` (default) requires the use of double quotes wherever possible
+* `"single"` requires the use of single quotes wherever possible
+* `"backtick"` requires the use of backticks wherever possible
+
+Object option:
+
+* `"avoidEscape": true` allows strings to use single-quotes or double-quotes so long as the string contains a quote that would have to be escaped otherwise
+* `"allowTemplateLiterals": true` allows strings to use backticks
+
+**Deprecated**: The object property `avoid-escape` is deprecated; please use the object property `avoidEscape` instead.
+
+### double
+
+Examples of **incorrect** code for this rule with the default `"double"` option:
+
+```js
+/*eslint quotes: ["error", "double"]*/
+
+var single = 'single';
+var unescaped = 'a string containing "double" quotes';
+var backtick = `back\ntick`; // you can use \n in single or double quoted strings
+```
+
+Examples of **correct** code for this rule with the default `"double"` option:
+
+```js
+/*eslint quotes: ["error", "double"]*/
+/*eslint-env es6*/
+
+var double = "double";
+var backtick = `back
+tick`;  // backticks are allowed due to newline
+var backtick = tag`backtick`; // backticks are allowed due to tag
+```
+
+### single
+
+Examples of **incorrect** code for this rule with the `"single"` option:
+
+```js
+/*eslint quotes: ["error", "single"]*/
+
+var double = "double";
+var unescaped = "a string containing 'single' quotes";
+```
+
+Examples of **correct** code for this rule with the `"single"` option:
+
+```js
+/*eslint quotes: ["error", "single"]*/
+/*eslint-env es6*/
+
+var single = 'single';
+var backtick = `back${x}tick`; // backticks are allowed due to substitution
+```
+
+### backticks
+
+Examples of **incorrect** code for this rule with the `"backtick"` option:
+
+```js
+/*eslint quotes: ["error", "backtick"]*/
+
+var single = 'single';
+var double = "double";
+var unescaped = 'a string containing `backticks`';
+```
+
+Examples of **correct** code for this rule with the `"backtick"` option:
+
+```js
+/*eslint quotes: ["error", "backtick"]*/
+/*eslint-env es6*/
+
+var backtick = `backtick`;
+```
+
+### avoidEscape
+
+Examples of additional **correct** code for this rule with the `"double", { "avoidEscape": true }` options:
+
+```js
+/*eslint quotes: ["error", "double", { "avoidEscape": true }]*/
+
+var single = 'a string containing "double" quotes';
+```
+
+Examples of additional **correct** code for this rule with the `"single", { "avoidEscape": true }` options:
+
+```js
+/*eslint quotes: ["error", "single", { "avoidEscape": true }]*/
+
+var double = "a string containing 'single' quotes";
+```
+
+Examples of additional **correct** code for this rule with the `"backtick", { "avoidEscape": true }` options:
+
+```js
+/*eslint quotes: ["error", "backtick", { "avoidEscape": true }]*/
+
+var double = "a string containing `backtick` quotes"
+```
+
+### allowTemplateLiterals
+
+Examples of additional **correct** code for this rule with the `"double", { "allowTemplateLiterals": true }` options:
+
+```js
+/*eslint quotes: ["error", "double", { "allowTemplateLiterals": true }]*/
+
+var double = "double";
+var double = `double`;
+```
+
+Examples of additional **correct** code for this rule with the `"single", { "allowTemplateLiterals": true }` options:
+
+```js
+/*eslint quotes: ["error", "single", { "allowTemplateLiterals": true }]*/
+
+var single = 'single';
+var single = `single`;
+```
+
+`{ "allowTemplateLiterals": false }` will not disallow the usage of all template literals. If you want to forbid any instance of template literals, use [no-restricted-syntax](https://eslint.org/docs/rules/no-restricted-syntax) and target the `TemplateLiteral` selector.
+
+## When Not To Use It
+
+If you do not need consistency in your string styles, you can safely disable this rule.
diff --git a/eslint/docs/rules/radix.md b/eslint/docs/rules/radix.md
new file mode 100644
index 0000000..da3196c
--- /dev/null
+++ b/eslint/docs/rules/radix.md
@@ -0,0 +1,95 @@
+# Require Radix Parameter (radix)
+
+When using the `parseInt()` function it is common to omit the second argument, the radix, and let the function try to determine from the first argument what type of number it is. By default, `parseInt()` will autodetect decimal and hexadecimal (via `0x` prefix). Prior to ECMAScript 5, `parseInt()` also autodetected octal literals, which caused problems because many developers assumed a leading `0` would be ignored.
+
+This confusion led to the suggestion that you always use the radix parameter to `parseInt()` to eliminate unintended consequences. So instead of doing this:
+
+```js
+var num = parseInt("071");      // 57
+```
+
+Do this:
+
+```js
+var num = parseInt("071", 10);  // 71
+```
+
+ECMAScript 5 changed the behavior of `parseInt()` so that it no longer autodetects octal literals and instead treats them as decimal literals. However, the differences between hexadecimal and decimal interpretation of the first parameter causes many developers to continue using the radix parameter to ensure the string is interpreted in the intended way.
+
+On the other hand, if the code is targeting only ES5-compliant environments passing the radix `10` may be redundant. In such a case you might want to disallow using such a radix.
+
+## Rule Details
+
+This rule is aimed at preventing the unintended conversion of a string to a number of a different base than intended or at preventing the redundant `10` radix if targeting modern environments only.
+
+## Options
+
+There are two options for this rule:
+
+* `"always"` enforces providing a radix (default)
+* `"as-needed"` disallows providing the `10` radix
+
+
+### always
+
+Examples of **incorrect** code for the default `"always"` option:
+
+```js
+/*eslint radix: "error"*/
+
+var num = parseInt("071");
+
+var num = parseInt(someValue);
+
+var num = parseInt("071", "abc");
+
+var num = parseInt("071", 37);
+
+var num = parseInt();
+```
+
+Examples of **correct** code for the default `"always"` option:
+
+```js
+/*eslint radix: "error"*/
+
+var num = parseInt("071", 10);
+
+var num = parseInt("071", 8);
+
+var num = parseFloat(someValue);
+```
+
+### as-needed
+
+Examples of **incorrect** code for the `"as-needed"` option:
+
+```js
+/*eslint radix: ["error", "as-needed"]*/
+
+var num = parseInt("071", 10);
+
+var num = parseInt("071", "abc");
+
+var num = parseInt();
+```
+
+Examples of **correct** code for the `"as-needed"` option:
+
+```js
+/*eslint radix: ["error", "as-needed"]*/
+
+var num = parseInt("071");
+
+var num = parseInt("071", 8);
+
+var num = parseFloat(someValue);
+```
+
+## When Not To Use It
+
+If you don't want to enforce either presence or omission of the `10` radix value you can turn this rule off.
+
+## Further Reading
+
+* [parseInt and radix](https://davidwalsh.name/parseint-radix)
diff --git a/eslint/docs/rules/require-atomic-updates.md b/eslint/docs/rules/require-atomic-updates.md
new file mode 100644
index 0000000..593ccdd
--- /dev/null
+++ b/eslint/docs/rules/require-atomic-updates.md
@@ -0,0 +1,97 @@
+# Disallow assignments that can lead to race conditions due to usage of `await` or `yield` (require-atomic-updates)
+
+When writing asynchronous code, it is possible to create subtle race condition bugs. Consider the following example:
+
+```js
+let totalLength = 0;
+
+async function addLengthOfSinglePage(pageNum) {
+  totalLength += await getPageLength(pageNum);
+}
+
+Promise.all([addLengthOfSinglePage(1), addLengthOfSinglePage(2)]).then(() => {
+  console.log('The combined length of both pages is', totalLength);
+});
+```
+
+This code looks like it will sum the results of calling `getPageLength(1)` and `getPageLength(2)`, but in reality the final value of `totalLength` will only be the length of one of the two pages. The bug is in the statement `totalLength += await getPageLength(pageNum);`. This statement first reads an initial value of `totalLength`, then calls `getPageLength(pageNum)` and waits for that Promise to fulfill. Finally, it sets the value of `totalLength` to the sum of `await getPageLength(pageNum)` and the *initial* value of `totalLength`. If the `totalLength` variable is updated in a separate function call during the time that the `getPageLength(pageNum)` Promise is pending, that update will be lost because the new value is overwritten without being read.
+
+One way to fix this issue would be to ensure that `totalLength` is read at the same time as it's updated, like this:
+
+```js
+async function addLengthOfSinglePage(pageNum) {
+  const lengthOfThisPage = await getPageLength(pageNum);
+
+  totalLength += lengthOfThisPage;
+}
+```
+
+Another solution would be to avoid using a mutable variable reference at all:
+
+```js
+Promise.all([getPageLength(1), getPageLength(2)]).then(pageLengths => {
+  const totalLength = pageLengths.reduce((accumulator, length) => accumulator + length, 0);
+
+  console.log('The combined length of both pages is', totalLength);
+});
+```
+
+## Rule Details
+
+This rule aims to report assignments to variables or properties where all of the following are true:
+
+* A variable or property is reassigned to a new value which is based on its old value.
+* A `yield` or `await` expression interrupts the assignment after the old value is read, and before the new value is set.
+* The rule cannot easily verify that the assignment is safe (e.g. if an assigned variable is local and would not be readable from anywhere else while the function is paused).
+
+Examples of **incorrect** code for this rule:
+
+```js
+/* eslint require-atomic-updates: error */
+
+let result;
+async function foo() {
+  result += await somethingElse;
+
+  result = result + await somethingElse;
+
+  result = result + doSomething(await somethingElse);
+}
+
+function* bar() {
+  result += yield;
+
+  result = result + (yield somethingElse);
+
+  result = result + doSomething(yield somethingElse);
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/* eslint require-atomic-updates: error */
+
+let result;
+async function foo() {
+  result = await somethingElse + result;
+
+  let tmp = await somethingElse;
+  result += tmp;
+
+  let localVariable = 0;
+  localVariable += await somethingElse;
+}
+
+function* bar() {
+  result += yield;
+
+  result = (yield somethingElse) + result;
+
+  result = doSomething(yield somethingElse, result);
+}
+```
+
+## When Not To Use It
+
+If you don't use async or generator functions, you don't need to enable this rule.
diff --git a/eslint/docs/rules/require-await.md b/eslint/docs/rules/require-await.md
new file mode 100644
index 0000000..595d0ac
--- /dev/null
+++ b/eslint/docs/rules/require-await.md
@@ -0,0 +1,87 @@
+# Disallow async functions which have no `await` expression (require-await)
+
+Asynchronous functions in JavaScript behave differently than other functions in two important ways:
+
+1. The return value is always a `Promise`.
+2. You can use the `await` operator inside of them.
+
+The primary reason to use asynchronous functions is typically to use the `await` operator, such as this:
+
+```js
+async function fetchData(processDataItem) {
+    const response = await fetch(DATA_URL);
+    const data = await response.json();
+
+    return data.map(processDataItem);
+}
+```
+
+Asynchronous functions that don't use `await` might not need to be asynchronous functions and could be the unintentional result of refactoring.
+
+Note: this rule ignores async generator functions. This is because generators yield rather than return a value and async generators might yield all the values of another async generator without ever actually needing to use await.
+
+## Rule Details
+
+This rule warns async functions which have no `await` expression.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint require-await: "error"*/
+
+async function foo() {
+    doSomething();
+}
+
+bar(async () => {
+    doSomething();
+});
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint require-await: "error"*/
+
+async function foo() {
+    await doSomething();
+}
+
+bar(async () => {
+    await doSomething();
+});
+
+function foo() {
+    doSomething();
+}
+
+bar(() => {
+    doSomething();
+});
+
+// Allow empty functions.
+async function noop() {}
+```
+
+## When Not To Use It
+
+Asynchronous functions are designed to work with promises such that throwing an error will cause a promise's rejection handler (such as `catch()`) to be called. For example:
+
+```js
+async function fail() {
+    throw new Error("Failure!");
+}
+
+fail().catch(error => {
+    console.log(error.message);
+});
+```
+
+In this case, the `fail()` function throws an error that is intended to be caught by the `catch()` handler assigned later. Converting the `fail()` function into a synchronous function would require the call to `fail()` to be refactored to use a `try-catch` statement instead of a promise.
+
+If you are throwing an error inside of an asynchronous function for this purpose, then you may want to disable this rule.
+
+
+## Related Rules
+
+* [require-yield](require-yield.md)
diff --git a/eslint/docs/rules/require-jsdoc.md b/eslint/docs/rules/require-jsdoc.md
new file mode 100644
index 0000000..1e31aed
--- /dev/null
+++ b/eslint/docs/rules/require-jsdoc.md
@@ -0,0 +1,189 @@
+# require JSDoc comments (require-jsdoc)
+
+This rule was [**deprecated**](https://eslint.org/blog/2018/11/jsdoc-end-of-life) in ESLint v5.10.0.
+
+[JSDoc](http://usejsdoc.org) is a JavaScript API documentation generator. It uses specially-formatted comments inside of code to generate API documentation automatically. For example, this is what a JSDoc comment looks like for a function:
+
+```js
+/**
+ * Adds two numbers together.
+ * @param {int} num1 The first number.
+ * @param {int} num2 The second number.
+ * @returns {int} The sum of the two numbers.
+ */
+function sum(num1, num2) {
+    return num1 + num2;
+}
+```
+
+Some style guides require JSDoc comments for all functions as a way of explaining function behavior.
+
+## Rule Details
+
+This rule requires JSDoc comments for specified nodes. Supported nodes:
+
+* `"FunctionDeclaration"`
+* `"ClassDeclaration"`
+* `"MethodDefinition"`
+* `"ArrowFunctionExpression"`
+* `"FunctionExpression"`
+
+## Options
+
+This rule has a single object option:
+
+* `"require"` requires JSDoc comments for the specified nodes
+
+Default option settings are:
+
+```json
+{
+    "require-jsdoc": ["error", {
+        "require": {
+            "FunctionDeclaration": true,
+            "MethodDefinition": false,
+            "ClassDeclaration": false,
+            "ArrowFunctionExpression": false,
+            "FunctionExpression": false
+        }
+    }]
+}
+```
+
+### require
+
+Examples of **incorrect** code for this rule with the `{ "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } }` option:
+
+```js
+/*eslint "require-jsdoc": ["error", {
+    "require": {
+        "FunctionDeclaration": true,
+        "MethodDefinition": true,
+        "ClassDeclaration": true,
+        "ArrowFunctionExpression": true,
+        "FunctionExpression": true
+    }
+}]*/
+
+function foo() {
+    return 10;
+}
+
+var foo = () => {
+    return 10;
+};
+
+class Foo {
+    bar() {
+        return 10;
+    }
+}
+
+var foo = function() {
+    return 10;
+};
+
+var foo = {
+    bar: function() {
+        return 10;
+    },
+
+    baz() {
+        return 10;
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `{ "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } }` option:
+
+```js
+/*eslint "require-jsdoc": ["error", {
+    "require": {
+        "FunctionDeclaration": true,
+        "MethodDefinition": true,
+        "ClassDeclaration": true,
+        "ArrowFunctionExpression": true,
+        "FunctionExpression": true
+    }
+}]*/
+
+/**
+ * It returns 10
+ */
+function foo() {
+    return 10;
+}
+
+/**
+ * It returns test + 10
+ * @params {int} test - some number
+ * @returns {int} sum of test and 10
+ */
+var foo = (test) => {
+    return test + 10;
+}
+
+/**
+ * It returns 10
+ */
+var foo = () => {
+    return 10;
+}
+
+/**
+ * It returns 10
+ */
+var foo = function() {
+    return 10;
+}
+
+var array = [1,2,3];
+array.filter(function(item) {
+    return item > 2;
+});
+
+/**
+ * A class that can return the number 10
+ */
+class Foo {
+    /**
+    * It returns 10
+    */
+    bar() {
+        return 10;
+    }
+}
+
+/**
+ * It returns 10
+ */
+var foo = function() {
+    return 10;
+};
+
+var foo = {
+    /**
+    * It returns 10
+    */
+    bar: function() {
+        return 10;
+    },
+
+    /**
+    * It returns 10
+    */
+    baz() {
+        return 10;
+    }
+};
+
+setTimeout(() => {}, 10); // since it's an anonymous arrow function
+```
+
+## When Not To Use It
+
+If you do not require JSDoc for your functions, then you can leave this rule off.
+
+## Related Rules
+
+* [valid-jsdoc](valid-jsdoc.md)
diff --git a/eslint/docs/rules/require-unicode-regexp.md b/eslint/docs/rules/require-unicode-regexp.md
new file mode 100644
index 0000000..3077d4d
--- /dev/null
+++ b/eslint/docs/rules/require-unicode-regexp.md
@@ -0,0 +1,55 @@
+# Enforce the use of `u` flag on RegExp (require-unicode-regexp)
+
+RegExp `u` flag has two effects:
+
+1. **Make the regular expression handling UTF-16 surrogate pairs correctly.**
+
+    Especially, character range syntax gets the correct behavior.
+
+    ```js
+    /^[👍]$/.test("👍") //→ false
+    /^[👍]$/u.test("👍") //→ true
+    ```
+
+2. **Make the regular expression throwing syntax errors early as disabling [Annex B extensions](https://www.ecma-international.org/ecma-262/6.0/#sec-regular-expressions-patterns).**
+
+    Because of historical reason, JavaScript regular expressions are tolerant of syntax errors. For example, `/\w{1, 2/` is a syntax error, but JavaScript doesn't throw the error. It matches strings such as `"a{1, 2"` instead. Such a recovering logic is defined in Annex B.
+
+    The `u` flag disables the recovering logic Annex B defined. As a result, you can find errors early. This is similar to [the strict mode](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode).
+
+Therefore, the `u` flag lets us work better with regular expressions.
+
+## Rule Details
+
+This rule aims to enforce the use of `u` flag on regular expressions.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint require-unicode-regexp: error */
+
+const a = /aaa/
+const b = /bbb/gi
+const c = new RegExp("ccc")
+const d = new RegExp("ddd", "gi")
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint require-unicode-regexp: error */
+
+const a = /aaa/u
+const b = /bbb/giu
+const c = new RegExp("ccc", "u")
+const d = new RegExp("ddd", "giu")
+
+// This rule ignores RegExp calls if the flags could not be evaluated to a static value.
+function f(flags) {
+    return new RegExp("eee", flags)
+}
+```
+
+## When Not To Use It
+
+If you don't want to notify regular expressions with no `u` flag, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/require-yield.md b/eslint/docs/rules/require-yield.md
new file mode 100644
index 0000000..22c262b
--- /dev/null
+++ b/eslint/docs/rules/require-yield.md
@@ -0,0 +1,45 @@
+# Disallow generator functions that do not have `yield` (require-yield)
+
+## Rule Details
+
+This rule generates warnings for generator functions that do not have the `yield` keyword.
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint require-yield: "error"*/
+/*eslint-env es6*/
+
+function* foo() {
+  return 10;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint require-yield: "error"*/
+/*eslint-env es6*/
+
+function* foo() {
+  yield 5;
+  return 10;
+}
+
+function foo() {
+  return 10;
+}
+
+// This rule does not warn on empty generator functions.
+function* foo() { }
+```
+
+## When Not To Use It
+
+If you don't want to notify generator functions that have no `yield` expression, then it's safe to disable this rule.
+
+## Related Rules
+
+* [require-await](require-await.md)
diff --git a/eslint/docs/rules/rest-spread-spacing.md b/eslint/docs/rules/rest-spread-spacing.md
new file mode 100644
index 0000000..d8d6063
--- /dev/null
+++ b/eslint/docs/rules/rest-spread-spacing.md
@@ -0,0 +1,140 @@
+# Enforce spacing between rest and spread operators and their expressions (rest-spread-spacing)
+
+ES2015 introduced the rest and spread operators, which expand an iterable structure into its individual parts. Some examples of their usage are as follows:
+
+```js
+let numArr = [1, 2, 3];
+function add(a, b, c) {
+    return a + b + c;
+}
+add(...numArr); // -> 6
+
+let arr1 = [1, 2, 3];
+let arr2 = [4, 5, 6];
+arr1.push(...arr2); // -> [1, 2, 3, 4, 5, 6]
+
+let [a, b, ...arr] = [1, 2, 3, 4, 5];
+a; // -> 1
+b // -> 2
+arr; // ->  [3, 4, 5]
+
+function numArgs(...args) {
+  return args.length;
+}
+numArgs(a, b, c); // -> 3
+```
+
+In addition to the above, there is currently a proposal to add object rest and spread properties to the spec. They can be used as follows:
+
+```js
+
+let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };
+x; // -> 1
+y; // -> 2
+z; // -> { a: 3, b: 4 }
+
+let n = { x, y, ...z };
+n; // -> { x: 1, y: 2, a: 3, b: 4 }
+```
+
+As with other operators, whitespace is allowed between the rest or spread operator and the expression it is operating on, which can lead to inconsistent spacing within a codebase.
+
+## Rule Details
+
+This rule aims to enforce consistent spacing between rest and spread operators and their expressions. The rule also supports object rest and spread properties in ES2018:
+
+```json
+{
+    "parserOptions": {
+        "ecmaVersion": 2018
+    }
+}
+```
+
+Please read the user guide's section on [configuring parser options](/docs/user-guide/configuring#specifying-parser-options) to learn more.
+
+## Options
+
+This rule takes one option: a string with the value of `"never"` or `"always"`. The default value is `"never"`.
+
+### "never"
+
+When using the default `"never"` option, whitespace is not allowed between spread operators and their expressions.
+
+```json
+rest-spread-spacing: ["error"]
+```
+
+or
+
+```json
+rest-spread-spacing: ["error", "never"]
+```
+
+Examples of **incorrect** code for this rule with `"never"`:
+
+```js
+/*eslint rest-spread-spacing: ["error", "never"]*/
+
+fn(... args)
+[... arr, 4, 5, 6]
+let [a, b, ... arr] = [1, 2, 3, 4, 5];
+function fn(... args) { console.log(args); }
+let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };
+let n = { x, y, ... z };
+```
+
+Examples of **correct** code for this rule with `"never"`:
+
+```js
+/*eslint rest-spread-spacing: ["error", "never"]*/
+
+fn(...args)
+[...arr, 4, 5, 6]
+let [a, b, ...arr] = [1, 2, 3, 4, 5];
+function fn(...args) { console.log(args); }
+let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };
+let n = { x, y, ...z };
+```
+
+### "always"
+
+When using the `"always"` option, whitespace is required between spread operators and their expressions.
+
+```json
+rest-spread-spacing: ["error", "always"]
+```
+
+Examples of **incorrect** code for this rule with `"always"`:
+
+```js
+/*eslint rest-spread-spacing:["error", "always"]*/
+
+fn(...args)
+[...arr, 4, 5, 6]
+let [a, b, ...arr] = [1, 2, 3, 4, 5];
+function fn(...args) { console.log(args); }
+let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };
+let n = { x, y, ...z };
+```
+
+Examples of **correct** code for this rule with `"always"`:
+
+```js
+/*eslint rest-spread-spacing: ["error", "always"]*/
+
+fn(... args)
+[... arr, 4, 5, 6]
+let [a, b, ... arr] = [1, 2, 3, 4, 5];
+function fn(... args) { console.log(args); }
+let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };
+let n = { x, y, ... z };
+```
+
+## When Not To Use It
+
+You can safely disable this rule if you do not care about enforcing consistent spacing between spread operators and their expressions.
+
+## Further Reading
+
+* [Object Rest/Spread Properties for ECMAScript](https://github.com/tc39/proposal-object-rest-spread)
diff --git a/eslint/docs/rules/semi-spacing.md b/eslint/docs/rules/semi-spacing.md
new file mode 100644
index 0000000..4db5e18
--- /dev/null
+++ b/eslint/docs/rules/semi-spacing.md
@@ -0,0 +1,109 @@
+# Enforce spacing before and after semicolons (semi-spacing)
+
+JavaScript allows you to place unnecessary spaces before or after a semicolon.
+
+Disallowing or enforcing space around a semicolon can improve the readability of your program.
+
+```js
+var a = "b" ;
+
+var c = "d";var e = "f";
+```
+
+## Rule Details
+
+This rule aims to enforce spacing around a semicolon. This rule prevents the use of spaces before a semicolon in expressions.
+
+This rule doesn't check spacing in the following cases:
+
+* The spacing after the semicolon if it is the first token in the line.
+
+* The spacing before the semicolon if it is after an opening parenthesis (`(` or `{`), or the spacing after the semicolon if it is before a closing parenthesis (`)` or `}`). That spacing is checked by `space-in-parens` or `block-spacing`.
+
+* The spacing around the semicolon in a for loop with an empty condition (`for(;;)`).
+
+## Options
+
+The rule takes one option, an object, which has two keys `before` and `after` having boolean values `true` or `false`.
+If `before` is `true`, space is enforced before semicolons and if it's `false`, space is disallowed before semicolons.
+If `after` is `true`, space is enforced after semicolons and if it's `false`, space is disallowed after semicolons.
+The `after` option will be only applied if a semicolon is not at the end of line.
+
+The default is `{"before": false, "after": true}`.
+
+```json
+    "semi-spacing": ["error", {"before": false, "after": true}]
+```
+
+### `{"before": false, "after": true}`
+
+This is the default option. It enforces spacing after semicolons and disallows spacing before semicolons.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint semi-spacing: "error"*/
+
+var foo ;
+var foo;var bar;
+throw new Error("error") ;
+while (a) { break ; }
+for (i = 0 ; i < 10 ; i++) {}
+for (i = 0;i < 10;i++) {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint semi-spacing: "error"*/
+
+var foo;
+var foo; var bar;
+throw new Error("error");
+while (a) { break; }
+for (i = 0; i < 10; i++) {}
+for (;;) {}
+if (true) {;}
+;foo();
+```
+
+### `{"before": true, "after": false}`
+
+This option enforces spacing before semicolons and disallows spacing after semicolons.
+
+Examples of **incorrect** code for this rule with the `{"before": true, "after": false}` option:
+
+```js
+/*eslint semi-spacing: ["error", { "before": true, "after": false }]*/
+
+var foo;
+var foo ; var bar;
+throw new Error("error");
+while (a) { break; }
+for (i = 0;i < 10;i++) {}
+for (i = 0; i < 10; i++) {}
+```
+
+Examples of **correct** code for this rule with the `{"before": true, "after": false}` option:
+
+```js
+/*eslint semi-spacing: ["error", { "before": true, "after": false }]*/
+
+var foo ;
+var foo ;var bar ;
+throw new Error("error") ;
+while (a) {break ;}
+for (i = 0 ;i < 10 ;i++) {}
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing before or after semicolons.
+
+## Related Rules
+
+* [semi](semi.md)
+* [no-extra-semi](no-extra-semi.md)
+* [comma-spacing](comma-spacing.md)
+* [block-spacing](block-spacing.md)
+* [space-in-parens](space-in-parens.md)
diff --git a/eslint/docs/rules/semi-style.md b/eslint/docs/rules/semi-style.md
new file mode 100644
index 0000000..7bd916f
--- /dev/null
+++ b/eslint/docs/rules/semi-style.md
@@ -0,0 +1,96 @@
+# Enforce location of semicolons (semi-style)
+
+Generally, semicolons are at the end of lines. However, in semicolon-less style, semicolons are at the beginning of lines. This rule enforces that semicolons are at the configured location.
+
+## Rule Details
+
+This rule reports line terminators around semicolons.
+
+This rule has an option.
+
+```json
+{
+    "semi-style": ["error", "last"],
+}
+```
+
+- `"last"` (Default) enforces that semicolons are at the end of statements.
+- `"first"` enforces that semicolons are at the beginning of statements. Semicolons of `for` loop heads (`for(a;b;c){}`) should be at the end of lines even if you use this option.
+
+Examples of **incorrect** code for this rule with `"last"` option:
+
+```js
+/*eslint semi-style: ["error", "last"]*/
+
+foo()
+;[1, 2, 3].forEach(bar)
+
+for (
+    var i = 0
+    ; i < 10
+    ; ++i
+) {
+    foo()
+}
+```
+
+Examples of **correct** code for this rule with `"last"` option:
+
+```js
+/*eslint semi-style: ["error", "last"]*/
+
+foo();
+[1, 2, 3].forEach(bar)
+
+for (
+    var i = 0;
+    i < 10;
+    ++i
+) {
+    foo()
+}
+```
+
+Examples of **incorrect** code for this rule with `"first"` option:
+
+```js
+/*eslint semi-style: ["error", "first"]*/
+
+foo();
+[1, 2, 3].forEach(bar)
+
+for (
+    var i = 0
+    ; i < 10
+    ; ++i
+) {
+    foo()
+}
+```
+
+Examples of **correct** code for this rule with `"first"` option:
+
+```js
+/*eslint semi-style: ["error", "first"]*/
+
+foo()
+;[1, 2, 3].forEach(bar)
+
+for (
+    var i = 0;
+    i < 10;
+    ++i
+) {
+    foo()
+}
+```
+
+## When Not To Use It
+
+If you don't want to notify the location of semicolons, then it's safe to disable this rule.
+
+## Related rules
+
+- [no-extra-semi](./no-extra-semi.md)
+- [semi](./semi.md)
+- [semi-spacing](./semi-spacing.md)
diff --git a/eslint/docs/rules/semi.md b/eslint/docs/rules/semi.md
new file mode 100644
index 0000000..049ae41
--- /dev/null
+++ b/eslint/docs/rules/semi.md
@@ -0,0 +1,196 @@
+# require or disallow semicolons instead of ASI (semi)
+
+JavaScript doesn't require semicolons at the end of each statement. In many cases, the JavaScript engine can determine that a semicolon should be in a certain spot and will automatically add it. This feature is known as **automatic semicolon insertion (ASI)** and is considered one of the more controversial features of JavaScript. For example, the following lines are both valid:
+
+```js
+var name = "ESLint"
+var website = "eslint.org";
+```
+
+On the first line, the JavaScript engine will automatically insert a semicolon, so this is not considered a syntax error. The JavaScript engine still knows how to interpret the line and knows that the line end indicates the end of the statement.
+
+In the debate over ASI, there are generally two schools of thought. The first is that we should treat ASI as if it didn't exist and always include semicolons manually. The rationale is that it's easier to always include semicolons than to try to remember when they are or are not required, and thus decreases the possibility of introducing an error.
+
+However, the ASI mechanism can sometimes be tricky to people who are using semicolons. For example, consider this code:
+
+```js
+return
+{
+    name: "ESLint"
+};
+```
+
+This may look like a `return` statement that returns an object literal, however, the JavaScript engine will interpret this code as:
+
+```js
+return;
+{
+    name: "ESLint";
+}
+```
+
+Effectively, a semicolon is inserted after the `return` statement, causing the code below it (a labeled literal inside a block) to be unreachable. This rule and the [no-unreachable](no-unreachable.md) rule will protect your code from such cases.
+
+On the other side of the argument are those who say that since semicolons are inserted automatically, they are optional and do not need to be inserted manually. However, the ASI mechanism can also be tricky to people who don't use semicolons. For example, consider this code:
+
+```js
+var globalCounter = { }
+
+(function () {
+    var n = 0
+    globalCounter.increment = function () {
+        return ++n
+    }
+})()
+```
+
+In this example, a semicolon will not be inserted after the first line, causing a run-time error (because an empty object is called as if it's a function). The [no-unexpected-multiline](no-unexpected-multiline.md) rule can protect your code from such cases.
+
+Although ASI allows for more freedom over your coding style, it can also make your code behave in an unexpected way, whether you use semicolons or not. Therefore, it is best to know when ASI takes place and when it does not, and have ESLint protect your code from these potentially unexpected cases. In short, as once described by Isaac Schlueter, a `\n` character always ends a statement (just like a semicolon) unless one of the following is true:
+
+1. The statement has an unclosed paren, array literal, or object literal or ends in some other way that is not a valid way to end a statement. (For instance, ending with `.` or `,`.)
+1. The line is `--` or `++` (in which case it will decrement/increment the next token.)
+1. It is a `for()`, `while()`, `do`, `if()`, or `else`, and there is no `{`
+1. The next line starts with `[`, `(`, `+`, `*`, `/`, `-`, `,`, `.`, or some other binary operator that can only be found between two tokens in a single expression.
+
+## Rule Details
+
+This rule enforces consistent use of semicolons.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"always"` (default) requires semicolons at the end of statements
+* `"never"` disallows semicolons as the end of statements (except to disambiguate statements beginning with `[`, `(`, `/`, `+`, or `-`)
+
+Object option (when `"always"`):
+
+* `"omitLastInOneLineBlock": true` ignores the last semicolon in a block in which its braces (and therefore the content of the block) are in the same line
+
+Object option (when `"never"`):
+
+* `"beforeStatementContinuationChars": "any"` (default) ignores semicolons (or lacking semicolon) at the end of statements if the next line starts with `[`, `(`, `/`, `+`, or `-`.
+* `"beforeStatementContinuationChars": "always"` requires semicolons at the end of statements if the next line starts with `[`, `(`, `/`, `+`, or `-`.
+* `"beforeStatementContinuationChars": "never"` disallows semicolons as the end of statements if it doesn't make ASI hazard even if the next line starts with `[`, `(`, `/`, `+`, or `-`.
+
+### always
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint semi: ["error", "always"]*/
+
+var name = "ESLint"
+
+object.method = function() {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint semi: "error"*/
+
+var name = "ESLint";
+
+object.method = function() {
+    // ...
+};
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint semi: ["error", "never"]*/
+
+var name = "ESLint";
+
+object.method = function() {
+    // ...
+};
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint semi: ["error", "never"]*/
+
+var name = "ESLint"
+
+object.method = function() {
+    // ...
+}
+
+var name = "ESLint"
+
+;(function() {
+    // ...
+})()
+
+import a from "a"
+(function() {
+    // ...
+})()
+
+import b from "b"
+;(function() {
+    // ...
+})()
+```
+
+#### omitLastInOneLineBlock
+
+Examples of additional **correct** code for this rule with the `"always", { "omitLastInOneLineBlock": true }` options:
+
+```js
+/*eslint semi: ["error", "always", { "omitLastInOneLineBlock": true}] */
+
+if (foo) { bar() }
+
+if (foo) { bar(); baz() }
+```
+
+#### beforeStatementContinuationChars
+
+Examples of additional **incorrect** code for this rule with the `"never", { "beforeStatementContinuationChars": "always" }` options:
+
+```js
+/*eslint semi: ["error", "never", { "beforeStatementContinuationChars": "always"}] */
+import a from "a"
+
+(function() {
+    // ...
+})()
+```
+
+Examples of additional **incorrect** code for this rule with the `"never", { "beforeStatementContinuationChars": "never" }` options:
+
+```js
+/*eslint semi: ["error", "never", { "beforeStatementContinuationChars": "never"}] */
+import a from "a"
+
+;(function() {
+    // ...
+})()
+```
+
+## When Not To Use It
+
+If you do not want to enforce semicolon usage (or omission) in any particular way, then you can turn this rule off.
+
+## Further Reading
+
+* [An Open Letter to JavaScript Leaders Regarding Semicolons](http://blog.izs.me/post/2353458699/an-open-letter-to-javascript-leaders-regarding)
+* [JavaScript Semicolon Insertion](http://inimino.org/~inimino/blog/javascript_semicolons)
+
+## Related Rules
+
+* [no-extra-semi](no-extra-semi.md)
+* [no-unexpected-multiline](no-unexpected-multiline.md)
+* [semi-spacing](semi-spacing.md)
diff --git a/eslint/docs/rules/sort-imports.md b/eslint/docs/rules/sort-imports.md
new file mode 100644
index 0000000..f6fd04f
--- /dev/null
+++ b/eslint/docs/rules/sort-imports.md
@@ -0,0 +1,236 @@
+# Import Sorting (sort-imports)
+
+The import statement is used to import members (functions, objects or primitives) that have been exported from an external module. Using a specific member syntax:
+
+```js
+// single - Import single member.
+import myMember from "my-module.js";
+
+// multiple - Import multiple members.
+import {foo, bar} from "my-module.js";
+
+// all - Import all members, where myModule contains all the exported bindings.
+import * as myModule from "my-module.js";
+```
+
+The import statement can also import a module without exported bindings. Used when the module does not export anything, but runs it own code or changes the global context object.
+
+```js
+// none - Import module without exported bindings.
+import "my-module.js"
+```
+
+When declaring multiple imports, a sorted list of import declarations make it easier for developers to read the code and find necessary imports later. This rule is purely a matter of style.
+
+
+## Rule Details
+
+This rule checks all import declarations and verifies that all imports are first sorted by the used member syntax and then alphabetically by the first member or alias name.
+
+The `--fix` option on the command line automatically fixes some problems reported by this rule: multiple members on a single line are automatically sorted (e.g. `import { b, a } from 'foo.js'` is corrected to `import { a, b } from 'foo.js'`), but multiple lines are not reordered.
+
+## Options
+
+This rule accepts an object with its properties as
+
+* `ignoreCase` (default: `false`)
+* `ignoreDeclarationSort` (default: `false`)
+* `ignoreMemberSort` (default: `false`)
+* `memberSyntaxSortOrder` (default: `["none", "all", "multiple", "single"]`); all 4 items must be present in the array, but you can change the order:
+    * `none` = import module without exported bindings.
+    * `all` = import all members provided by exported bindings.
+    * `multiple` = import multiple members.
+    * `single` = import single member.
+
+Default option settings are:
+
+```json
+{
+    "sort-imports": ["error", {
+        "ignoreCase": false,
+        "ignoreDeclarationSort": false,
+        "ignoreMemberSort": false,
+        "memberSyntaxSortOrder": ["none", "all", "multiple", "single"]
+    }]
+}
+```
+
+## Examples
+
+### Default settings
+
+Examples of **correct** code for this rule when using default options:
+
+```js
+/*eslint sort-imports: "error"*/
+import 'module-without-export.js';
+import * as bar from 'bar.js';
+import * as foo from 'foo.js';
+import {alpha, beta} from 'alpha.js';
+import {delta, gamma} from 'delta.js';
+import a from 'baz.js';
+import b from 'qux.js';
+
+/*eslint sort-imports: "error"*/
+import a from 'foo.js';
+import b from 'bar.js';
+import c from 'baz.js';
+
+/*eslint sort-imports: "error"*/
+import 'foo.js'
+import * as bar from 'bar.js';
+import {a, b} from 'baz.js';
+import c from 'qux.js';
+
+/*eslint sort-imports: "error"*/
+import {a, b, c} from 'foo.js'
+```
+
+Examples of **incorrect** code for this rule when using default options:
+
+```js
+/*eslint sort-imports: "error"*/
+import b from 'foo.js';
+import a from 'bar.js';
+
+/*eslint sort-imports: "error"*/
+import a from 'foo.js';
+import A from 'bar.js';
+
+/*eslint sort-imports: "error"*/
+import {b, c} from 'foo.js';
+import {a, b} from 'bar.js';
+
+/*eslint sort-imports: "error"*/
+import a from 'foo.js';
+import {b, c} from 'bar.js';
+
+/*eslint sort-imports: "error"*/
+import a from 'foo.js';
+import * as b from 'bar.js';
+
+/*eslint sort-imports: "error"*/
+import {b, a, c} from 'foo.js'
+```
+
+### `ignoreCase`
+
+When `true` the rule ignores the case-sensitivity of the imports local name.
+
+Examples of **incorrect** code for this rule with the `{ "ignoreCase": true }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreCase": true }]*/
+
+import B from 'foo.js';
+import a from 'bar.js';
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreCase": true }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreCase": true }]*/
+
+import a from 'foo.js';
+import B from 'bar.js';
+import c from 'baz.js';
+```
+
+Default is `false`.
+
+### `ignoreDeclarationSort`
+
+Ignores the sorting of import declaration statements.
+
+Examples of **incorrect** code for this rule with the default `{ "ignoreDeclarationSort": false }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreDeclarationSort": false }]*/
+import b from 'foo.js'
+import a from 'bar.js'
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreDeclarationSort": true }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreDeclarationSort": true }]*/
+import a from 'foo.js'
+import b from 'bar.js'
+```
+
+```js
+/*eslint sort-imports: ["error", { "ignoreDeclarationSort": true }]*/
+import b from 'foo.js'
+import a from 'bar.js'
+```
+
+Default is `false`.
+
+### `ignoreMemberSort`
+
+Ignores the member sorting within a `multiple` member import declaration.
+
+Examples of **incorrect** code for this rule with the default `{ "ignoreMemberSort": false }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreMemberSort": false }]*/
+import {b, a, c} from 'foo.js'
+```
+
+Examples of **correct** code for this rule with the `{ "ignoreMemberSort": true }` option:
+
+```js
+/*eslint sort-imports: ["error", { "ignoreMemberSort": true }]*/
+import {b, a, c} from 'foo.js'
+```
+
+Default is `false`.
+
+### `memberSyntaxSortOrder`
+
+There are four different styles and the default member syntax sort order is:
+
+* `none` - import module without exported bindings.
+* `all` - import all members provided by exported bindings.
+* `multiple` - import multiple members.
+* `single` - import single member.
+
+All four options must be specified in the array, but you can customize their order.
+
+Examples of **incorrect** code for this rule with the default `{ "memberSyntaxSortOrder": ["none", "all", "multiple", "single"] }` option:
+
+```js
+/*eslint sort-imports: "error"*/
+import a from 'foo.js';
+import * as b from 'bar.js';
+```
+
+Examples of **correct** code for this rule with the `{ "memberSyntaxSortOrder": ['single', 'all', 'multiple', 'none'] }` option:
+
+```js
+/*eslint sort-imports: ["error", { "memberSyntaxSortOrder": ['single', 'all', 'multiple', 'none'] }]*/
+
+import a from 'foo.js';
+import * as b from 'bar.js';
+```
+
+Examples of **correct** code for this rule with the `{ "memberSyntaxSortOrder": ['all', 'single', 'multiple', 'none'] }` option:
+
+```js
+/*eslint sort-imports: ["error", { "memberSyntaxSortOrder": ['all', 'single', 'multiple', 'none'] }]*/
+
+import * as foo from 'foo.js';
+import z from 'zoo.js';
+import {a, b} from 'foo.js';
+```
+
+Default is `["none", "all", "multiple", "single"]`.
+
+## When Not To Use It
+
+This rule is a formatting preference and not following it won't negatively affect the quality of your code. If alphabetizing imports isn't a part of your coding standards, then you can leave this rule disabled.
+
+## Related Rules
+
+* [sort-keys](sort-keys.md)
+* [sort-vars](sort-vars.md)
diff --git a/eslint/docs/rules/sort-keys.md b/eslint/docs/rules/sort-keys.md
new file mode 100644
index 0000000..937a7da
--- /dev/null
+++ b/eslint/docs/rules/sort-keys.md
@@ -0,0 +1,228 @@
+# require object keys to be sorted (sort-keys)
+
+When declaring multiple properties, some developers prefer to sort property names alphabetically to more easily find and/or diff necessary properties at a later time. Others feel that it adds complexity and becomes burden to maintain.
+
+## Rule Details
+
+This rule checks all property definitions of object expressions and verifies that all variables are sorted alphabetically.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint sort-keys: "error"*/
+/*eslint-env es6*/
+
+let obj = {a: 1, c: 3, b: 2};
+let obj = {a: 1, "c": 3, b: 2};
+
+// Case-sensitive by default.
+let obj = {a: 1, b: 2, C: 3};
+
+// Non-natural order by default.
+let obj = {1: a, 2: c, 10: b};
+
+// This rule checks computed properties which have a simple name as well.
+// Simple names are names which are expressed by an Identifier node or a Literal node.
+const S = Symbol("s")
+let obj = {a: 1, ["c"]: 3, b: 2};
+let obj = {a: 1, [S]: 3, b: 2};
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint sort-keys: "error"*/
+/*eslint-env es6*/
+
+let obj = {a: 1, b: 2, c: 3};
+let obj = {a: 1, "b": 2, c: 3};
+
+// Case-sensitive by default.
+let obj = {C: 3, a: 1, b: 2};
+
+// Non-natural order by default.
+let obj = {1: a, 10: b, 2: c};
+
+// This rule checks computed properties which have a simple name as well.
+let obj = {a: 1, ["b"]: 2, c: 3};
+let obj = {a: 1, [b]: 2, c: 3};
+
+// This rule ignores computed properties which have a non-simple name.
+let obj = {a: 1, [c + d]: 3, b: 2};
+let obj = {a: 1, ["c" + "d"]: 3, b: 2};
+let obj = {a: 1, [`${c}`]: 3, b: 2};
+let obj = {a: 1, [tag`c`]: 3, b: 2};
+
+// This rule does not report unsorted properties that are separated by a spread property.
+let obj = {b: 1, ...c, a: 2};
+```
+
+## Options
+
+```json
+{
+    "sort-keys": ["error", "asc", {"caseSensitive": true, "natural": false, "minKeys": 2}]
+}
+```
+
+The 1st option is `"asc"` or `"desc"`.
+
+* `"asc"` (default) - enforce properties to be in ascending order.
+* `"desc"` - enforce properties to be in descending order.
+
+The 2nd option is an object which has 3 properties.
+
+* `caseSensitive` - if `true`, enforce properties to be in case-sensitive order. Default is `true`.
+* `minKeys` - Specifies the minimum number of keys that an object should have in order for the object's unsorted keys to produce an error. Default is `2`, which means by default all objects with unsorted keys will result in lint errors.
+* `natural` - if `true`, enforce properties to be in natural order. Default is `false`. Natural Order compares strings containing combination of letters and numbers in the way a human being would sort. It basically sorts numerically, instead of sorting alphabetically. So the number 10 comes after the number 3 in Natural Sorting.
+
+Example for a list:
+
+With `natural` as true, the ordering would be
+1
+3
+6
+8
+10
+
+With `natural` as false, the ordering would be
+1
+10
+3
+6
+8
+
+### desc
+
+Examples of **incorrect** code for the `"desc"` option:
+
+```js
+/*eslint sort-keys: ["error", "desc"]*/
+/*eslint-env es6*/
+
+let obj = {b: 2, c: 3, a: 1};
+let obj = {"b": 2, c: 3, a: 1};
+
+// Case-sensitive by default.
+let obj = {C: 1, b: 3, a: 2};
+
+// Non-natural order by default.
+let obj = {10: b, 2: c, 1: a};
+```
+
+Examples of **correct** code for the `"desc"` option:
+
+```js
+/*eslint sort-keys: ["error", "desc"]*/
+/*eslint-env es6*/
+
+let obj = {c: 3, b: 2, a: 1};
+let obj = {c: 3, "b": 2, a: 1};
+
+// Case-sensitive by default.
+let obj = {b: 3, a: 2, C: 1};
+
+// Non-natural order by default.
+let obj = {2: c, 10: b, 1: a};
+```
+
+### insensitive
+
+Examples of **incorrect** code for the `{caseSensitive: false}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {caseSensitive: false}]*/
+/*eslint-env es6*/
+
+let obj = {a: 1, c: 3, C: 4, b: 2};
+let obj = {a: 1, C: 3, c: 4, b: 2};
+```
+
+Examples of **correct** code for the `{caseSensitive: false}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {caseSensitive: false}]*/
+/*eslint-env es6*/
+
+let obj = {a: 1, b: 2, c: 3, C: 4};
+let obj = {a: 1, b: 2, C: 3, c: 4};
+```
+
+### natural
+
+Examples of **incorrect** code for the `{natural: true}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {natural: true}]*/
+/*eslint-env es6*/
+
+let obj = {1: a, 10: c, 2: b};
+```
+
+Examples of **correct** code for the `{natural: true}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {natural: true}]*/
+/*eslint-env es6*/
+
+let obj = {1: a, 2: b, 10: c};
+```
+
+### minKeys
+
+Examples of **incorrect** code for the `{minKeys: 4}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {minKeys: 4}]*/
+/*eslint-env es6*/
+
+// 4 keys
+let obj = {
+    b: 2,
+    a: 1, // not sorted correctly (should be 1st key)
+    c: 3,
+    d: 4,
+};
+
+// 5 keys
+let obj = {
+    2: 'a',
+    1: 'b', // not sorted correctly (should be 1st key)
+    3: 'c',
+    4: 'd',
+    5: 'e',
+};
+```
+
+Examples of **correct** code for the `{minKeys: 4}` option:
+
+```js
+/*eslint sort-keys: ["error", "asc", {minKeys: 4}]*//
+/*eslint-env es6*/
+
+// 3 keys
+let obj = {
+    b: 2,
+    a: 1,
+    c: 3,
+};
+
+// 2 keys
+let obj = {
+    2: 'b',
+    1: 'a',
+};
+```
+
+## When Not To Use It
+
+If you don't want to notify about properties' order, then it's safe to disable this rule.
+
+## Related Rules
+
+* [sort-imports](sort-imports.md)
+* [sort-vars](sort-vars.md)
+
+## Compatibility
+
+* **JSCS:** [validateOrderInObjectKeys](https://jscs-dev.github.io/rule/validateOrderInObjectKeys)
diff --git a/eslint/docs/rules/sort-vars.md b/eslint/docs/rules/sort-vars.md
new file mode 100644
index 0000000..8a201f3
--- /dev/null
+++ b/eslint/docs/rules/sort-vars.md
@@ -0,0 +1,78 @@
+# Variable Sorting (sort-vars)
+
+When declaring multiple variables within the same block, some developers prefer to sort variable names alphabetically to be able to find necessary variable easier at the later time. Others feel that it adds complexity and becomes burden to maintain.
+
+## Rule Details
+
+This rule checks all variable declaration blocks and verifies that all variables are sorted alphabetically.
+The default configuration of the rule is case-sensitive.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint sort-vars: "error"*/
+
+var b, a;
+
+var a, B, c;
+
+var a, A;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint sort-vars: "error"*/
+
+var a, b, c, d;
+
+var _a = 10;
+var _b = 20;
+
+var A, a;
+
+var B, a, c;
+```
+
+Alphabetical list is maintained starting from the first variable and excluding any that are considered problems. So the following code will produce two problems:
+
+```js
+/*eslint sort-vars: "error"*/
+
+var c, d, a, b;
+```
+
+But this one, will only produce one:
+
+```js
+/*eslint sort-vars: "error"*/
+
+var c, d, a, e;
+```
+
+## Options
+
+This rule has an object option:
+
+* `"ignoreCase": true` (default `false`) ignores the case-sensitivity of the variables order
+
+### ignoreCase
+
+Examples of **correct** code for this rule with the `{ "ignoreCase": true }` option:
+
+```js
+/*eslint sort-vars: ["error", { "ignoreCase": true }]*/
+
+var a, A;
+
+var a, B, c;
+```
+
+## When Not To Use It
+
+This rule is a formatting preference and not following it won't negatively affect the quality of your code. If you alphabetizing variables isn't a part of your coding standards, then you can leave this rule off.
+
+## Related Rules
+
+* [sort-keys](sort-keys.md)
+* [sort-imports](sort-imports.md)
diff --git a/eslint/docs/rules/space-after-function-name.md b/eslint/docs/rules/space-after-function-name.md
new file mode 100644
index 0000000..4607ff4
--- /dev/null
+++ b/eslint/docs/rules/space-after-function-name.md
@@ -0,0 +1,52 @@
+# space-after-function-name: enforce consistent spacing after name in function definitions
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [space-before-function-paren](space-before-function-paren.md) rule.
+
+Whitespace between a function name and its parameter list is optional.
+
+```js
+function withoutSpace(x) {
+    // ...
+}
+
+function withSpace (x) {
+    // ...
+}
+```
+
+Some style guides may require a consistent spacing for function names.
+
+## Rule Details
+
+This rule aims to enforce a consistent spacing after function names. It takes one argument. If it is `"always"` then all function names must be followed by at least one space. If `"never"` then there should be no spaces between the name and the parameter list. The default is `"never"`.
+
+
+Examples of **incorrect** code for this rule:
+
+```js
+function foo (x) {
+    // ...
+}
+
+var x = function named (x) {};
+
+// When ["error", "always"]
+function bar(x) {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+function foo(x) {
+    // ...
+}
+
+var x = function named(x) {};
+
+// When ["error", "always"]
+function bar (x) {
+    // ...
+}
+```
diff --git a/eslint/docs/rules/space-after-keywords.md b/eslint/docs/rules/space-after-keywords.md
new file mode 100644
index 0000000..af1b739
--- /dev/null
+++ b/eslint/docs/rules/space-after-keywords.md
@@ -0,0 +1,62 @@
+# space-after-keywords: enforce consistent spacing after keywords
+
+(removed) This rule was **removed** in ESLint v2.0 and replaced by the [keyword-spacing](keyword-spacing.md) rule.
+
+(fixable) The `--fix` option on the [command line](../user-guide/command-line-interface#fix) automatically fixed problems reported by this rule.
+
+Some style guides will require or disallow spaces following the certain keywords.
+
+```js
+if (condition) {
+    doSomething();
+} else {
+    doSomethingElse();
+}
+
+if(condition) {
+    doSomething();
+}else{
+    doSomethingElse();
+}
+```
+
+## Rule Details
+
+This rule will enforce consistency of spacing after the keywords `if`, `else`, `for`, `while`, `do`, `switch`, `try`, `catch`, `finally`, and `with`.
+
+This rule takes one argument. If it is `"always"` then the keywords must be followed by at least one space. If `"never"`
+then there should be no spaces following. The default is `"always"`.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint space-after-keywords: "error"*/
+
+if(a) {}
+
+if (a) {} else{}
+
+do{} while (a);
+```
+
+```js
+/*eslint space-after-keywords: ["error", "never"]*/
+
+if (a) {}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint space-after-keywords: "error"*/
+
+if (a) {}
+
+if (a) {} else {}
+```
+
+```js
+/*eslint space-after-keywords: ["error", "never"]*/
+
+if(a) {}
+```
diff --git a/eslint/docs/rules/space-before-blocks.md b/eslint/docs/rules/space-before-blocks.md
new file mode 100644
index 0000000..25b81ca
--- /dev/null
+++ b/eslint/docs/rules/space-before-blocks.md
@@ -0,0 +1,213 @@
+# Require Or Disallow Space Before Blocks (space-before-blocks)
+
+Consistency is an important part of any style guide.
+While it is a personal preference where to put the opening brace of blocks,
+it should be consistent across a whole project.
+Having an inconsistent style distracts the reader from seeing the important parts of the code.
+
+## Rule Details
+
+This rule will enforce consistency of spacing before blocks. It is only applied on blocks that don’t begin on a new line.
+
+* This rule ignores spacing which is between `=>` and a block. The spacing is handled by the `arrow-spacing` rule.
+* This rule ignores spacing which is between a keyword and a block. The spacing is handled by the `keyword-spacing` rule.
+
+## Options
+
+This rule takes one argument. If it is `"always"` then blocks must always have at least one preceding space. If `"never"`
+then all blocks should never have any preceding space. If different spacing is desired for function
+blocks, keyword blocks and classes, an optional configuration object can be passed as the rule argument to
+configure the cases separately. If any value in the configuration object is `"off"`, then neither style will be enforced for blocks of that kind.
+
+( e.g. `{ "functions": "never", "keywords": "always", "classes": "always" }` )
+
+The default is `"always"`.
+
+### "always"
+
+Examples of **incorrect** code for this rule with the "always" option:
+
+```js
+/*eslint space-before-blocks: "error"*/
+
+if (a){
+    b();
+}
+
+function a(){}
+
+for (;;){
+    b();
+}
+
+try {} catch(a){}
+
+class Foo{
+  constructor(){}
+}
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint space-before-blocks: "error"*/
+
+if (a) {
+    b();
+}
+
+if (a) {
+    b();
+} else{ /*no error. this is checked by `keyword-spacing` rule.*/
+    c();
+}
+
+
+function a() {}
+
+for (;;) {
+    b();
+}
+
+try {} catch(a) {}
+```
+
+### "never"
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-blocks: ["error", "never"]*/
+
+if (a) {
+    b();
+}
+
+function a() {}
+
+for (;;) {
+    b();
+}
+
+try {} catch(a) {}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-blocks: ["error", "never"]*/
+
+if (a){
+    b();
+}
+
+function a(){}
+
+for (;;){
+    b();
+}
+
+try{} catch(a){}
+
+class Foo{
+  constructor(){}
+}
+```
+
+Examples of **incorrect** code for this rule when configured `{ "functions": "never", "keywords": "always", "classes": "never" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "never", "keywords": "always", "classes": "never" }]*/
+/*eslint-env es6*/
+
+function a() {}
+
+try {} catch(a){}
+
+class Foo{
+  constructor() {}
+}
+```
+
+Examples of **correct** code for this rule when configured `{ "functions": "never", "keywords": "always", "classes": "never" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "never", "keywords": "always", "classes": "never" }]*/
+/*eslint-env es6*/
+
+for (;;) {
+  // ...
+}
+
+describe(function(){
+  // ...
+});
+
+class Foo{
+  constructor(){}
+}
+```
+
+Examples of **incorrect** code for this rule when configured `{ "functions": "always", "keywords": "never", "classes": "never" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "always", "keywords": "never", "classes": "never" }]*/
+/*eslint-env es6*/
+
+function a(){}
+
+try {} catch(a) {}
+
+class Foo {
+  constructor(){}
+}
+```
+
+Examples of **correct** code for this rule when configured `{ "functions": "always", "keywords": "never", "classes": "never" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "always", "keywords": "never", "classes": "never" }]*/
+/*eslint-env es6*/
+
+if (a){
+  b();
+}
+
+var a = function() {}
+
+class Foo{
+  constructor() {}
+}
+```
+
+Examples of **incorrect** code for this rule when configured `{ "functions": "never", "keywords": "never", "classes": "always" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "never", "keywords": "never", "classes": "always" }]*/
+/*eslint-env es6*/
+
+class Foo{
+  constructor(){}
+}
+```
+
+Examples of **correct** code for this rule when configured `{ "functions": "never", "keywords": "never", "classes": "always" }`:
+
+```js
+/*eslint space-before-blocks: ["error", { "functions": "never", "keywords": "never", "classes": "always" }]*/
+/*eslint-env es6*/
+
+class Foo {
+  constructor(){}
+}
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing before blocks.
+
+## Related Rules
+
+* [keyword-spacing](keyword-spacing.md)
+* [arrow-spacing](arrow-spacing.md)
+* [brace-style](brace-style.md)
diff --git a/eslint/docs/rules/space-before-function-paren.md b/eslint/docs/rules/space-before-function-paren.md
new file mode 100644
index 0000000..c9d0c39
--- /dev/null
+++ b/eslint/docs/rules/space-before-function-paren.md
@@ -0,0 +1,368 @@
+# Require or disallow a space before function parenthesis (space-before-function-paren)
+
+When formatting a function, whitespace is allowed between the function name or `function` keyword and the opening paren. Named functions also require a space between the `function` keyword and the function name, but anonymous functions require no whitespace. For example:
+
+```js
+function withoutSpace(x) {
+    // ...
+}
+
+function withSpace (x) {
+    // ...
+}
+
+var anonymousWithoutSpace = function() {};
+
+var anonymousWithSpace = function () {};
+```
+
+Style guides may require a space after the `function` keyword for anonymous functions, while others specify no whitespace. Similarly, the space after a function name may or may not be required.
+
+## Rule Details
+
+This rule aims to enforce consistent spacing before function parentheses and as such, will warn whenever whitespace doesn't match the preferences specified.
+
+## Options
+
+This rule has a string option or an object option:
+
+```js
+{
+    "space-before-function-paren": ["error", "always"],
+    // or
+    "space-before-function-paren": ["error", {
+        "anonymous": "always",
+        "named": "always",
+        "asyncArrow": "always"
+    }],
+}
+```
+
+* `always` (default) requires a space followed by the `(` of arguments.
+* `never` disallows any space followed by the `(` of arguments.
+
+The string option does not check async arrow function expressions for backward compatibility.
+
+You can also use a separate option for each type of function.
+Each of the following options can be set to `"always"`, `"never"`, or `"ignore"`. The default is `"always"`.
+
+* `anonymous` is for anonymous function expressions (e.g. `function () {}`).
+* `named` is for named function expressions (e.g. `function foo () {}`).
+* `asyncArrow` is for async arrow function expressions (e.g. `async () => {}`).
+
+### "always"
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint space-before-function-paren: "error"*/
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+var bar = function foo() {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+
+var foo = async() => 1
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint space-before-function-paren: "error"*/
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+var bar = function foo () {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+
+var foo = async () => 1
+```
+
+### "never"
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-function-paren: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+var bar = function foo () {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+
+var foo = async () => 1
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-function-paren: ["error", "never"]*/
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+var bar = function foo() {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+
+var foo = async() => 1
+```
+
+### `{"anonymous": "always", "named": "never", "asyncArrow": "always"}`
+
+Examples of **incorrect** code for this rule with the `{"anonymous": "always", "named": "never", "asyncArrow": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", {"anonymous": "always", "named": "never", "asyncArrow": "always"}]*/
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+
+var foo = async(a) => await a
+```
+
+Examples of **correct** code for this rule with the `{"anonymous": "always", "named": "never", "asyncArrow": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", {"anonymous": "always", "named": "never", "asyncArrow": "always"}]*/
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+
+var foo = async (a) => await a
+```
+
+### `{"anonymous": "never", "named": "always"}`
+
+Examples of **incorrect** code for this rule with the `{"anonymous": "never", "named": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", { "anonymous": "never", "named": "always" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `{"anonymous": "never", "named": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", { "anonymous": "never", "named": "always" }]*/
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+### `{"anonymous": "ignore", "named": "always"}`
+
+Examples of **incorrect** code for this rule with the `{"anonymous": "ignore", "named": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", { "anonymous": "ignore", "named": "always" }]*/
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `{"anonymous": "ignore", "named": "always"}` option:
+
+```js
+/*eslint space-before-function-paren: ["error", { "anonymous": "ignore", "named": "always" }]*/
+/*eslint-env es6*/
+
+var bar = function() {
+    // ...
+};
+
+var bar = function () {
+    // ...
+};
+
+function foo () {
+    // ...
+}
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing before function parenthesis.
+
+## Related Rules
+
+* [space-after-keywords](space-after-keywords.md)
+* [space-return-throw-case](space-return-throw-case.md)
diff --git a/eslint/docs/rules/space-before-function-parentheses.md b/eslint/docs/rules/space-before-function-parentheses.md
new file mode 100644
index 0000000..3856c22
--- /dev/null
+++ b/eslint/docs/rules/space-before-function-parentheses.md
@@ -0,0 +1,260 @@
+# space-before-function-parentheses: enforce consistent spacing before opening parenthesis in function definitions
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [space-before-function-paren](space-before-function-paren.md) rule. The name of the rule changed from "parentheses" to "paren" for consistency with the names of other rules.
+
+When formatting a function, whitespace is allowed between the function name or `function` keyword and the opening paren. Named functions also require a space between the `function` keyword and the function name, but anonymous functions require no whitespace. For example:
+
+```js
+function withoutSpace(x) {
+    // ...
+}
+
+function withSpace (x) {
+    // ...
+}
+
+var anonymousWithoutSpace = function() {};
+
+var anonymousWithSpace = function () {};
+```
+
+Style guides may require a space after the `function` keyword for anonymous functions, while others specify no whitespace. Similarly, the space after a function name may or may not be required.
+
+## Rule Details
+
+This rule aims to enforce consistent spacing before function parentheses and as such, will warn whenever whitespace doesn't match the preferences specified.
+
+This rule takes one argument. If it is `"always"`, which is the default option, all named functions and anonymous functions must have space before function parentheses. If `"never"` then all named functions and anonymous functions must not have space before function parentheses. If you want different spacing for named and anonymous functions you can pass a configuration object as the rule argument to configure those separately (e. g. `{"anonymous": "always", "named": "never"}`).
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+var bar = function foo() {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+var bar = function foo () {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+var bar = function foo () {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+var bar = function foo() {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **incorrect** code for this rule with the `{"anonymous": "always", "named": "never"}` option:
+
+```js
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `{"anonymous": "always", "named": "never"}` option:
+
+```js
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **incorrect** code for this rule with the `{"anonymous": "never", "named": "always"}` option:
+
+```js
+/*eslint-env es6*/
+
+function foo() {
+    // ...
+}
+
+var bar = function () {
+    // ...
+};
+
+class Foo {
+    constructor() {
+        // ...
+    }
+}
+
+var foo = {
+    bar() {
+        // ...
+    }
+};
+```
+
+Examples of **correct** code for this rule with the `{"anonymous": "never", "named": "always"}` option:
+
+```js
+/*eslint-env es6*/
+
+function foo () {
+    // ...
+}
+
+var bar = function() {
+    // ...
+};
+
+class Foo {
+    constructor () {
+        // ...
+    }
+}
+
+var foo = {
+    bar () {
+        // ...
+    }
+};
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing before function parenthesis.
+
+## Related Rules
+
+* [space-after-keywords](space-after-keywords.md)
+* [space-return-throw-case](space-return-throw-case.md)
diff --git a/eslint/docs/rules/space-before-keywords.md b/eslint/docs/rules/space-before-keywords.md
new file mode 100644
index 0000000..8adf593
--- /dev/null
+++ b/eslint/docs/rules/space-before-keywords.md
@@ -0,0 +1,114 @@
+# space-before-keywords: enforce consistent spacing before keywords
+
+(removed) This rule was **removed** in ESLint v2.0 and **replaced** by the [keyword-spacing](keyword-spacing.md) rule.
+
+(fixable) The `--fix` option on the [command line](../user-guide/command-line-interface#fix) automatically fixed problems reported by this rule.
+
+Keywords are syntax elements of JavaScript, such as `function` and `if`. These identifiers have special meaning to the language and so often appear in a different color in code editors. As an important part of the language, style guides often refer to the spacing that should be used around keywords. For example, you might have a style guide that says keywords should be always be preceded by spaces, which would mean `if-else` statements must look like this:
+
+```js
+if (foo) {
+    // ...
+} else {
+    // ...
+}
+```
+
+Of course, you could also have a style guide that disallows spaces before keywords.
+
+## Rule Details
+
+This rule will enforce consistency of spacing before the keywords `if`, `else`, `for`,
+`while`, `do`, `switch`, `throw`, `try`, `catch`, `finally`, `with`, `break`, `continue`,
+`return`, `function`, `yield`, `class` and variable declarations (`let`, `const`, `var`)
+and label statements.
+
+This rule takes one argument: `"always"` or `"never"`. If `"always"` then the keywords
+must be preceded by at least one space. If `"never"` then no spaces will be allowed before
+the keywords `else`, `while` (do...while), `finally` and `catch`. The default value is `"always"`.
+
+This rule will allow keywords to be preceded by an opening curly brace (`{`). If you wish to alter
+this behavior, consider using the [block-spacing](block-spacing.md) rule.
+
+Examples of **incorrect** code for this rule with the default `"always"` option:
+
+```js
+/*eslint space-before-keywords: ["error", "always"]*/
+/*eslint-env es6*/
+
+if (foo) {
+    // ...
+}else {}
+
+const foo = 'bar';let baz = 'qux';
+
+var foo =function bar () {}
+
+function bar() {
+    if (foo) {return; }
+}
+```
+
+Examples of **correct** code for this rule with the default `"always"` option:
+
+```js
+/*eslint space-before-keywords: ["error", "always"]*/
+/*eslint-env es6*/
+
+if (foo) {
+    // ...
+} else {}
+
+(function() {})()
+
+<Foo onClick={function bar() {}} />
+
+for (let foo of ['bar', 'baz', 'qux']) {}
+```
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-keywords: ["error", "never"]*/
+
+if (foo) {
+    // ...
+} else {}
+
+do {
+
+}
+while (foo)
+
+try {} finally {}
+
+try {} catch(e) {}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint space-before-keywords: ["error", "never"]*/
+
+if (foo) {
+    // ...
+}else {}
+
+do {}while (foo)
+
+try {}finally {}
+
+try{}catch(e) {}
+```
+
+## When Not To Use It
+
+If you do not wish to enforce consistency on keyword spacing.
+
+## Related Rules
+
+* [space-after-keywords](space-after-keywords.md)
+* [block-spacing](block-spacing.md)
+* [space-return-throw-case](space-return-throw-case.md)
+* [space-unary-ops](space-unary-ops.md)
+* [space-infix-ops](space-infix-ops.md)
diff --git a/eslint/docs/rules/space-in-brackets.md b/eslint/docs/rules/space-in-brackets.md
new file mode 100644
index 0000000..9bb2477
--- /dev/null
+++ b/eslint/docs/rules/space-in-brackets.md
@@ -0,0 +1,308 @@
+# space-in-brackets: enforce consistent spacing inside braces of object literals and brackets of array literals
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [object-curly-spacing](object-curly-spacing.md) and [array-bracket-spacing](array-bracket-spacing.md) rules.
+
+While formatting preferences are very personal, a number of style guides require or disallow spaces between brackets:
+
+```js
+var obj = { foo: 'bar' };
+var arr = [ 'foo', 'bar' ];
+foo[ 'bar' ];
+
+var obj = {foo: 'bar'};
+var arr = ['foo', 'bar'];
+foo['bar'];
+```
+
+## Rule Details
+
+This rule aims to maintain consistency around the spacing inside of square brackets, either by disallowing spaces inside of brackets between the brackets and other tokens or enforcing spaces. Brackets that are separated from the adjacent value by a new line are excepted from this rule, as this is a common pattern.  Object literals that are used as the first or last element in an array are also ignored.
+
+## Options
+
+There are two options for this rule:
+
+* `"always"` enforces a space inside of object and array literals
+* `"never"` enforces zero spaces inside of object and array literals (default)
+
+Depending on your coding conventions, you can choose either option by specifying it in your configuration:
+
+```json
+"space-in-brackets": ["error", "always"]
+```
+
+### "never"
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint-env es6*/
+
+foo[ 'bar' ];
+foo['bar' ];
+
+var arr = [ 'foo', 'bar' ];
+var arr = ['foo', 'bar' ];
+var arr = [ ['foo'], 'bar'];
+var arr = [[ 'foo' ], 'bar'];
+var arr = ['foo',
+  'bar'
+];
+
+var obj = { 'foo': 'bar' };
+var obj = {'foo': 'bar' };
+var obj = { baz: {'foo': 'qux'}, bar};
+var obj = {baz: { 'foo': 'qux' }, bar};
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+// When options are ["error", "never"]
+
+foo['bar'];
+foo[
+  'bar'
+];
+foo[
+  'bar'];
+
+var arr = [];
+var arr = ['foo', 'bar', 'baz'];
+var arr = [['foo'], 'bar', 'baz'];
+var arr = [
+  'foo',
+  'bar',
+  'baz'
+];
+
+var arr = [
+  'foo',
+  'bar'];
+
+var obj = {'foo': 'bar'};
+
+var obj = {'foo': {'bar': 'baz'}, 'qux': 'quxx'};
+
+var obj = {
+  'foo': 'bar'
+};
+var obj = {'foo': 'bar'
+};
+var obj = {
+  'foo':'bar'};
+
+var obj = {};
+```
+
+### "always"
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint-env es6*/
+
+foo['bar'];
+foo['bar' ];
+foo[ 'bar'];
+
+var arr = ['foo', 'bar'];
+var arr = ['foo', 'bar' ];
+var arr = [ ['foo'], 'bar' ];
+var arr = ['foo',
+  'bar'
+];
+
+var arr = [
+  'foo',
+  'bar'];
+
+var obj = {'foo': 'bar'};
+var obj = {'foo': 'bar' };
+var obj = { baz: {'foo': 'qux'}, bar};
+var obj = {baz: { 'foo': 'qux' }, bar};
+var obj = {'foo': 'bar'
+};
+
+var obj = {
+  'foo':'bar'};
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+foo[ 'bar' ];
+foo[
+  'bar'
+];
+
+var arr = [];
+var arr = [ 'foo', 'bar', 'baz' ];
+var arr = [ [ 'foo' ], 'bar', 'baz' ];
+
+var arr = [
+  'foo',
+  'bar',
+  'baz'
+];
+
+var obj = {};
+var obj = { 'foo': 'bar' };
+var obj = { 'foo': { 'bar': 'baz' }, 'qux': 'quxx' };
+var obj = {
+  'foo': 'bar'
+};
+```
+
+Note that `"always"` has a special case where `{}` and `[]` are not considered problems.
+
+### Exceptions
+
+An object literal may be used as a third array item to specify spacing exceptions. These exceptions work in the context of the first option. That is, if `"always"` is set to enforce spacing and an exception is set to `false`, it will disallow spacing for cases matching the exception. Likewise, if `"never"` is set to disallow spacing and an exception is set to `true`, it will enforce spacing for cases matching the exception.
+
+You can add exceptions like so:
+
+In case of `"always"` option, set an exception to `false` to enable it:
+
+```json
+"space-in-brackets": ["error", "always", {
+  "singleValue": false,
+  "objectsInArrays": false,
+  "arraysInArrays": false,
+  "arraysInObjects": false,
+  "objectsInObjects": false,
+  "propertyName": false
+}]
+```
+
+In case of `"never"` option, set an exception to `true` to enable it:
+
+```json
+"space-in-brackets": ["error", "never", {
+  "singleValue": true,
+  "objectsInArrays": true,
+  "arraysInArrays": true,
+  "arraysInObjects": true,
+  "objectsInObjects": true,
+  "propertyName": true
+}]
+```
+
+The following exceptions are available:
+
+* `singleValue` sets the spacing of a single value inside of square brackets of an array.
+* `objectsInArrays` sets the spacings between the curly braces and square brackets of object literals that are the first or last element in an array.
+* `arraysInArrays` sets the spacing between the square brackets of array literals that are the first or last element in an array.
+* `arraysInObjects` sets the spacing between the square bracket and the curly brace of an array literal that is the last element in an object.
+* `objectsInObjects` sets the spacing between the curly brace of an object literal that is the last element in an object and the curly brace of the containing object.
+* `propertyName` sets the spacing in square brackets of computed member expressions.
+
+In each of the following examples, the `"always"` option is assumed.
+
+Examples of **incorrect** code for this rule when `"singleValue"` is set to `false`:
+
+```js
+var foo = [ 'foo' ];
+var foo = [ 'foo'];
+var foo = ['foo' ];
+var foo = [ 1 ];
+var foo = [ 1];
+var foo = [1 ];
+var foo = [ [ 1, 2 ] ];
+var foo = [ { 'foo': 'bar' } ];
+```
+
+Examples of **correct** code for this rule when `"singleValue"` is set to `false`:
+
+```js
+var foo = ['foo'];
+var foo = [1];
+var foo = [[ 1, 1 ]];
+var foo = [{ 'foo': 'bar' }];
+```
+
+Examples of **incorrect** code when `"objectsInArrays"` is set to `false`:
+
+```js
+var arr = [ { 'foo': 'bar' } ];
+var arr = [ {
+  'foo': 'bar'
+} ]
+```
+
+Examples of **correct** code when `"objectsInArrays"` is set to `false`:
+
+
+```js
+var arr = [{ 'foo': 'bar' }];
+var arr = [{
+  'foo': 'bar'
+}];
+```
+
+Examples of **incorrect** code when `"arraysInArrays"` is set to `false`:
+
+```js
+var arr = [ [ 1, 2 ], 2, 3, 4 ];
+var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];
+```
+
+Examples of **correct** code when `"arraysInArrays"` is set to `false`:
+
+```js
+var arr = [[ 1, 2 ], 2, 3, 4 ];
+var arr = [[ 1, 2 ], 2, [ 3, 4 ]];
+```
+
+Examples of **incorrect** code when `"arraysInObjects"` is set to `false`:
+
+```js
+var obj = { "foo": [ 1, 2 ] };
+var obj = { "foo": [ "baz", "bar" ] };
+```
+
+Examples of **correct** code when `"arraysInObjects"` is set to `false`:
+
+```js
+var obj = { "foo": [ 1, 2 ]};
+var obj = { "foo": [ "baz", "bar" ]};
+```
+
+Examples of **incorrect** code when `"objectsInObjects"` is set to `false`:
+
+```js
+var obj = { "foo": { "baz": 1, "bar": 2 } };
+var obj = { "foo": [ "baz", "bar" ], "qux": { "baz": 1, "bar": 2 } };
+```
+
+Examples of **correct** code when `"objectsInObjects"` is set to `false`:
+
+```js
+var obj = { "foo": { "baz": 1, "bar": 2 }};
+var obj = { "foo": [ "baz", "bar" ], "qux": { "baz": 1, "bar": 2 }};
+```
+
+Examples of **incorrect** code when `"propertyName"` is set to `false`:
+
+```js
+var foo = obj[ 1 ];
+var foo = obj[ bar ];
+```
+
+Examples of **correct** code when `"propertyName"` is set to `false`:
+
+```js
+var foo = obj[bar];
+var foo = obj[0, 1];
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing between brackets.
+
+## Related Rules
+
+* [array-bracket-spacing](array-bracket-spacing.md)
+* [object-curly-spacing](object-curly-spacing.md)
+* [space-in-parens](space-in-parens.md)
+* [computed-property-spacing](computed-property-spacing.md)
diff --git a/eslint/docs/rules/space-in-parens.md b/eslint/docs/rules/space-in-parens.md
new file mode 100644
index 0000000..bfc0b46
--- /dev/null
+++ b/eslint/docs/rules/space-in-parens.md
@@ -0,0 +1,279 @@
+# Disallow or enforce spaces inside of parentheses (space-in-parens)
+
+Some style guides require or disallow spaces inside of parentheses:
+
+```js
+foo( 'bar' );
+var x = ( 1 + 2 ) * 3;
+
+foo('bar');
+var x = (1 + 2) * 3;
+```
+
+## Rule Details
+
+This rule will enforce consistent spacing directly inside of parentheses, by disallowing or requiring one or more spaces to the right of `(` and to the left of `)`.
+
+As long as you do not explicitly disallow empty parentheses using the `"empty"` exception , `()` will be allowed.
+
+## Options
+
+There are two options for this rule:
+
+* `"never"` (default) enforces zero spaces inside of parentheses
+* `"always"` enforces a space inside of parentheses
+
+Depending on your coding conventions, you can choose either option by specifying it in your configuration:
+
+```json
+"space-in-parens": ["error", "always"]
+```
+
+### "never"
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint space-in-parens: ["error", "never"]*/
+
+foo( 'bar');
+foo('bar' );
+foo( 'bar' );
+
+var foo = ( 1 + 2 ) * 3;
+( function () { return 'bar'; }() );
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint space-in-parens: ["error", "never"]*/
+
+foo();
+
+foo('bar');
+
+var foo = (1 + 2) * 3;
+(function () { return 'bar'; }());
+```
+
+### "always"
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint space-in-parens: ["error", "always"]*/
+
+foo( 'bar');
+foo('bar' );
+foo('bar');
+
+var foo = (1 + 2) * 3;
+(function () { return 'bar'; }());
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint space-in-parens: ["error", "always"]*/
+
+foo();
+
+foo( 'bar' );
+
+var foo = ( 1 + 2 ) * 3;
+( function () { return 'bar'; }() );
+```
+
+### Exceptions
+
+An object literal may be used as a third array item to specify exceptions, with the key `"exceptions"` and an array as the value. These exceptions work in the context of the first option. That is, if `"always"` is set to enforce spacing, then any "exception" will *disallow* spacing. Conversely, if `"never"` is set to disallow spacing, then any "exception" will *enforce* spacing.
+
+Note that this rule only enforces spacing within parentheses; it does not check spacing within curly or square brackets, but will enforce or disallow spacing of those brackets if and only if they are adjacent to an opening or closing parenthesis.
+
+The following exceptions are available: `["{}", "[]", "()", "empty"]`.
+
+### Empty Exception
+
+Empty parens exception and behavior:
+
+* `always` allows for both `()` and `( )`
+* `never` (default) requires `()`
+* `always` excepting `empty` requires `()`
+* `never` excepting `empty` requires `( )` (empty parens without a space is here forbidden)
+
+### Examples
+
+Examples of **incorrect** code for this rule with the `"never", { "exceptions": ["{}"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["{}"] }]*/
+
+foo({bar: 'baz'});
+foo(1, {bar: 'baz'});
+```
+
+Examples of **correct** code for this rule with the `"never", { "exceptions": ["{}"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["{}"] }]*/
+
+foo( {bar: 'baz'} );
+foo(1, {bar: 'baz'} );
+```
+
+Examples of **incorrect** code for this rule with the `"always", { "exceptions": ["{}"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["{}"] }]*/
+
+foo( {bar: 'baz'} );
+foo( 1, {bar: 'baz'} );
+```
+
+Examples of **correct** code for this rule with the `"always", { "exceptions": ["{}"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["{}"] }]*/
+
+foo({bar: 'baz'});
+foo( 1, {bar: 'baz'});
+```
+
+Examples of **incorrect** code for this rule with the `"never", { "exceptions": ["[]"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["[]"] }]*/
+
+foo([bar, baz]);
+foo([bar, baz], 1);
+```
+
+Examples of **correct** code for this rule with the `"never", { "exceptions": ["[]"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["[]"] }]*/
+
+foo( [bar, baz] );
+foo( [bar, baz], 1);
+```
+
+Examples of **incorrect** code for this rule with the `"always", { "exceptions": ["[]"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["[]"] }]*/
+
+foo( [bar, baz] );
+foo( [bar, baz], 1 );
+```
+
+Examples of **correct** code for this rule with the `"always", { "exceptions": ["[]"] }` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["[]"] }]*/
+
+foo([bar, baz]);
+foo([bar, baz], 1 );
+```
+
+Examples of **incorrect** code for this rule with the `"never", { "exceptions": ["()"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["()"] }]*/
+
+foo((1 + 2));
+foo((1 + 2), 1);
+foo(bar());
+```
+
+Examples of **correct** code for this rule with the `"never", { "exceptions": ["()"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["()"] }]*/
+
+foo( (1 + 2) );
+foo( (1 + 2), 1);
+foo(bar() );
+```
+
+Examples of **incorrect** code for this rule with the `"always", { "exceptions": ["()"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["()"] }]*/
+
+foo( ( 1 + 2 ) );
+foo( ( 1 + 2 ), 1 );
+```
+
+Examples of **correct** code for this rule with the `"always", { "exceptions": ["()"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["()"] }]*/
+
+foo(( 1 + 2 ));
+foo(( 1 + 2 ), 1 );
+```
+
+The `"empty"` exception concerns empty parentheses, and works the same way as the other exceptions, inverting the first option.
+
+Example of **incorrect** code for this rule with the `"never", { "exceptions": ["empty"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["empty"] }]*/
+
+foo();
+```
+
+Example of **correct** code for this rule with the `"never", { "exceptions": ["empty"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "never", { "exceptions": ["empty"] }]*/
+
+foo( );
+```
+
+Example of **incorrect** code for this rule with the `"always", { "exceptions": ["empty"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["empty"] }]*/
+
+foo( );
+```
+
+Example of **correct** code for this rule with the `"always", { "exceptions": ["empty"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["empty"] }]*/
+
+foo();
+```
+
+You can include multiple entries in the `"exceptions"` array.
+
+Examples of **incorrect** code for this rule with the `"always", { "exceptions": ["{}", "[]"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["{}", "[]"] }]*/
+
+bar( {bar:'baz'} );
+baz( 1, [1,2] );
+foo( {bar: 'baz'}, [1, 2] );
+```
+
+Examples of **correct** code for this rule with the `"always", { "exceptions": ["{}", "[]"] }]` option:
+
+```js
+/*eslint space-in-parens: ["error", "always", { "exceptions": ["{}", "[]"] }]*/
+
+bar({bar:'baz'});
+baz( 1, [1,2]);
+foo({bar: 'baz'}, [1, 2]);
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing between parentheses.
+
+## Related Rules
+
+* [space-in-brackets](space-in-brackets.md) (deprecated)
diff --git a/eslint/docs/rules/space-infix-ops.md b/eslint/docs/rules/space-infix-ops.md
new file mode 100644
index 0000000..6a00e50
--- /dev/null
+++ b/eslint/docs/rules/space-infix-ops.md
@@ -0,0 +1,79 @@
+# require spacing around infix operators (space-infix-ops)
+
+While formatting preferences are very personal, a number of style guides require spaces around operators, such as:
+
+```js
+var sum = 1 + 2;
+```
+
+The proponents of these extra spaces believe it make the code easier to read and can more easily highlight potential errors, such as:
+
+```js
+var sum = i+++2;
+```
+
+While this is valid JavaScript syntax, it is hard to determine what the author intended.
+
+## Rule Details
+
+This rule is aimed at ensuring there are spaces around infix operators.
+
+## Options
+
+This rule accepts a single options argument with the following defaults:
+
+```json
+"space-infix-ops": ["error", { "int32Hint": false }]
+```
+
+### `int32Hint`
+
+Set the `int32Hint` option to `true` (default is `false`) to allow write `a|0` without space.
+
+```js
+var foo = bar|0; // `foo` is forced to be signed 32 bit integer
+```
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint space-infix-ops: "error"*/
+/*eslint-env es6*/
+
+a+b
+
+a+ b
+
+a +b
+
+a?b:c
+
+const a={b:1};
+
+var {a=0}=bar;
+
+function foo(a=0) { }
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint space-infix-ops: "error"*/
+/*eslint-env es6*/
+
+a + b
+
+a       + b
+
+a ? b : c
+
+const a = {b:1};
+
+var {a = 0} = bar;
+
+function foo(a = 0) { }
+```
+
+## When Not To Use It
+
+You can turn this rule off if you are not concerned with the consistency of spacing around infix operators.
diff --git a/eslint/docs/rules/space-return-throw-case.md b/eslint/docs/rules/space-return-throw-case.md
new file mode 100644
index 0000000..024eb3c
--- /dev/null
+++ b/eslint/docs/rules/space-return-throw-case.md
@@ -0,0 +1,33 @@
+# space-return-throw-case: require spaces after `return`, `throw`, and `case` keywords
+
+(removed) This rule was **removed** in ESLint v2.0 and **replaced** by the [keyword-spacing](keyword-spacing.md) rule.
+
+(fixable) The `--fix` option on the [command line](../user-guide/command-line-interface#fix) automatically fixed problems reported by this rule.
+
+Require spaces following `return`, `throw`, and `case`.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint space-return-throw-case: "error"*/
+
+throw{a:0}
+
+function f(){ return-a; }
+
+switch(a){ case'a': break; }
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint space-return-throw-case: "error"*/
+
+throw {a: 0};
+
+function f(){ return -a; }
+
+switch(a){ case 'a': break; }
+```
diff --git a/eslint/docs/rules/space-unary-ops.md b/eslint/docs/rules/space-unary-ops.md
new file mode 100644
index 0000000..d04bd4a
--- /dev/null
+++ b/eslint/docs/rules/space-unary-ops.md
@@ -0,0 +1,143 @@
+# Require or disallow spaces before/after unary operators (space-unary-ops)
+
+Some style guides require or disallow spaces before or after unary operators. This is mainly a stylistic issue, however, some JavaScript expressions can be written without spacing which makes it harder to read and maintain.
+
+## Rule Details
+
+This rule enforces consistency regarding the spaces after `words` unary operators and after/before `nonwords` unary operators.
+
+Examples of unary `words` operators:
+
+```js
+// new
+var joe = new Person();
+
+// delete
+var obj = {
+    foo: 'bar'
+};
+delete obj.foo;
+
+// typeof
+typeof {} // object
+
+// void
+void 0 // undefined
+```
+
+Examples of unary `nonwords` operators:
+
+```js
+if ([1,2,3].indexOf(1) !== -1) {};
+foo = --foo;
+bar = bar++;
+baz = !foo;
+qux = !!baz;
+```
+
+## Options
+
+This rule has three options:
+
+* `words` - applies to unary word operators such as: `new`, `delete`, `typeof`, `void`, `yield`
+* `nonwords` - applies to unary operators such as: `-`, `+`, `--`, `++`, `!`, `!!`
+* `overrides` - specifies overwriting usage of spacing for each
+  operator, word or non word. This is empty by default, but can be used
+  to enforce or disallow spacing around operators. For example:
+
+```js
+    "space-unary-ops": [
+        2, {
+          "words": true,
+          "nonwords": false,
+          "overrides": {
+            "new": false,
+            "++": true
+          }
+    }]
+```
+
+In this case, spacing will be disallowed after a `new` operator and required before/after a `++` operator.
+
+Examples of **incorrect** code for this rule with the default `{"words": true, "nonwords": false}` option:
+
+```js
+/*eslint space-unary-ops: "error"*/
+
+typeof!foo;
+
+void{foo:0};
+
+new[foo][0];
+
+delete(foo.bar);
+
+++ foo;
+
+foo --;
+
+- foo;
+
++ "3";
+```
+
+```js
+/*eslint space-unary-ops: "error"*/
+/*eslint-env es6*/
+
+function *foo() {
+    yield(0)
+}
+```
+
+```js
+/*eslint space-unary-ops: "error"*/
+
+async function foo() {
+    await(bar);
+}
+```
+
+Examples of **correct** code for this rule with the `{"words": true, "nonwords": false}` option:
+
+```js
+/*eslint space-unary-ops: "error"*/
+
+// Word unary operator "delete" is followed by a whitespace.
+delete foo.bar;
+
+// Word unary operator "new" is followed by a whitespace.
+new Foo;
+
+// Word unary operator "void" is followed by a whitespace.
+void 0;
+
+// Unary operator "++" is not followed by whitespace.
+++foo;
+
+// Unary operator "--" is not preceded by whitespace.
+foo--;
+
+// Unary operator "-" is not followed by whitespace.
+-foo;
+
+// Unary operator "+" is not followed by whitespace.
++"3";
+```
+
+```js
+/*eslint space-unary-ops: "error"*/
+/*eslint-env es6*/
+
+function *foo() {
+    yield (0)
+}
+```
+
+```js
+/*eslint space-unary-ops: "error"*/
+
+async function foo() {
+    await (bar);
+}
+```
diff --git a/eslint/docs/rules/space-unary-word-ops.md b/eslint/docs/rules/space-unary-word-ops.md
new file mode 100644
index 0000000..a155866
--- /dev/null
+++ b/eslint/docs/rules/space-unary-word-ops.md
@@ -0,0 +1,39 @@
+# space-unary-word-ops: require spaces after unary word operators
+
+(removed) This rule was **removed** in ESLint v0.10.0 and **replaced** by the [space-unary-ops](space-unary-ops.md) rule.
+
+Require spaces following unary word operators.
+
+## Rule Details
+
+Examples of **incorrect** code for this rule:
+
+```js
+typeof!a
+```
+
+```js
+void{a:0}
+```
+
+```js
+new[a][0]
+```
+
+```js
+delete(a.b)
+```
+
+Examples of **correct** code for this rule:
+
+```js
+delete a.b
+```
+
+```js
+new C
+```
+
+```js
+void 0
+```
diff --git a/eslint/docs/rules/spaced-comment.md b/eslint/docs/rules/spaced-comment.md
new file mode 100644
index 0000000..3d0a5d9
--- /dev/null
+++ b/eslint/docs/rules/spaced-comment.md
@@ -0,0 +1,271 @@
+# Requires or disallows a whitespace (space or tab) beginning a comment (spaced-comment)
+
+Some style guides require or disallow a whitespace immediately after the initial `//` or `/*` of a comment.
+Whitespace after the `//` or `/*` makes it easier to read text in comments.
+On the other hand, commenting out code is easier without having to put a whitespace right after the `//` or `/*`.
+
+## Rule Details
+
+This rule will enforce consistency of spacing after the start of a comment `//` or `/*`. It also provides several
+exceptions for various documentation styles.
+
+## Options
+
+The rule takes two options.
+
+* The first is a string which be either `"always"` or `"never"`. The default is `"always"`.
+
+    * If `"always"` then the `//` or `/*` must be followed by at least one whitespace.
+
+    * If `"never"` then there should be no whitespace following.
+
+* This rule can also take a 2nd option, an object with any of the following keys: `"exceptions"` and `"markers"`.
+
+    * The `"exceptions"` value is an array of string patterns which are considered exceptions to the rule.
+    Please note that exceptions are ignored if the first argument is `"never"`.
+
+    ```
+    "spaced-comment": ["error", "always", { "exceptions": ["-", "+"] }]
+    ```
+
+    * The `"markers"` value is an array of string patterns which are considered markers for docblock-style comments,
+    such as an additional `/`, used to denote documentation read by doxygen, vsdoc, etc. which must have additional characters.
+    The `"markers"` array will apply regardless of the value of the first argument, e.g. `"always"` or `"never"`.
+
+    ```
+    "spaced-comment": ["error", "always", { "markers": ["/"] }]
+    ```
+
+The difference between a marker and an exception is that a marker only appears at the beginning of the comment whereas
+exceptions can occur anywhere in the comment string.
+
+You can also define separate exceptions and markers for block and line comments. The `"block"` object can have an additional key `"balanced"`, a boolean that specifies if inline block comments should have balanced spacing. The default value is `false`.
+
+* If `"balanced": true` and `"always"` then the `/*` must be followed by at least one whitespace, and the `*/` must be preceded by at least one whitespace.
+
+* If `"balanced": true` and `"never"` then there should be no whitespace following `/*` or preceding `*/`.
+
+* If `"balanced": false` then balanced whitespace is not enforced.
+
+```json
+"spaced-comment": ["error", "always", {
+    "line": {
+        "markers": ["/"],
+        "exceptions": ["-", "+"]
+    },
+    "block": {
+        "markers": ["!"],
+        "exceptions": ["*"],
+        "balanced": true
+    }
+}]
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint spaced-comment: ["error", "always"]*/
+
+//This is a comment with no whitespace at the beginning
+
+/*This is a comment with no whitespace at the beginning */
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "block": { "balanced": true } }] */
+/* This is a comment with whitespace at the beginning but not the end*/
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/* eslint spaced-comment: ["error", "always"] */
+
+// This is a comment with a whitespace at the beginning
+
+/* This is a comment with a whitespace at the beginning */
+
+/*
+ * This is a comment with a whitespace at the beginning
+ */
+
+/*
+This comment has a newline
+*/
+```
+
+```js
+/* eslint spaced-comment: ["error", "always"] */
+
+/**
+* I am jsdoc
+*/
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint spaced-comment: ["error", "never"]*/
+
+// This is a comment with a whitespace at the beginning
+
+/* This is a comment with a whitespace at the beginning */
+
+/* \nThis is a comment with a whitespace at the beginning */
+```
+
+```js
+/*eslint spaced-comment: ["error", "never", { "block": { "balanced": true } }]*/
+/*This is a comment with whitespace at the end */
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint spaced-comment: ["error", "never"]*/
+
+/*This is a comment with no whitespace at the beginning */
+```
+
+```js
+/*eslint spaced-comment: ["error", "never"]*/
+
+/**
+* I am jsdoc
+*/
+```
+
+### exceptions
+
+Examples of **incorrect** code for this rule with the `"always"` option combined with `"exceptions"`:
+
+```js
+/* eslint spaced-comment: ["error", "always", { "block": { "exceptions": ["-"] } }] */
+
+//--------------
+// Comment block
+//--------------
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "exceptions": ["-", "+"] }] */
+
+//------++++++++
+// Comment block
+//------++++++++
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "exceptions": ["-", "+"] }] */
+
+/*------++++++++*/
+/* Comment block */
+/*------++++++++*/
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "line": { "exceptions": ["-+"] } }] */
+
+/*-+-+-+-+-+-+-+*/
+// Comment block
+/*-+-+-+-+-+-+-+*/
+```
+
+Examples of **correct** code for this rule with the `"always"` option combined with `"exceptions"`:
+
+```js
+/* eslint spaced-comment: ["error", "always", { "exceptions": ["-"] }] */
+
+//--------------
+// Comment block
+//--------------
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "line": { "exceptions": ["-"] } }] */
+
+//--------------
+// Comment block
+//--------------
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "exceptions": ["*"] }] */
+
+/****************
+ * Comment block
+ ****************/
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "exceptions": ["-+"] }] */
+
+//-+-+-+-+-+-+-+
+// Comment block
+//-+-+-+-+-+-+-+
+
+/*-+-+-+-+-+-+-+*/
+// Comment block
+/*-+-+-+-+-+-+-+*/
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "block": { "exceptions": ["-+"] } }] */
+
+/*-+-+-+-+-+-+-+*/
+// Comment block
+/*-+-+-+-+-+-+-+*/
+```
+
+### markers
+
+Examples of **incorrect** code for this rule with the `"always"` option combined with `"markers"`:
+
+```js
+/* eslint spaced-comment: ["error", "always", { "markers": ["/"] }] */
+
+///This is a comment with a marker but without whitespace
+```
+
+```js
+/*eslint spaced-comment: ["error", "always", { "block": { "markers": ["!"], "balanced": true } }]*/
+/*! This is a comment with a marker but without whitespace at the end*/
+```
+
+```js
+/*eslint spaced-comment: ["error", "never", { "block": { "markers": ["!"], "balanced": true } }]*/
+/*!This is a comment with a marker but with whitespace at the end */
+```
+
+Examples of **correct** code for this rule with the `"always"` option combined with `"markers"`:
+
+```js
+/* eslint spaced-comment: ["error", "always", { "markers": ["/"] }] */
+
+/// This is a comment with a marker
+```
+
+```js
+/*eslint spaced-comment: ["error", "never", { "markers": ["!<"] }]*/
+
+//!<This is a line comment with a marker
+
+/*!<this is a block comment with a marker
+subsequent lines are ignored
+*/
+```
+
+```js
+/* eslint spaced-comment: ["error", "always", { "markers": ["global"] }] */
+
+/*global ABC*/
+```
+
+
+## Related Rules
+
+* [spaced-line-comment](spaced-line-comment.md)
diff --git a/eslint/docs/rules/spaced-line-comment.md b/eslint/docs/rules/spaced-line-comment.md
new file mode 100644
index 0000000..b50404b
--- /dev/null
+++ b/eslint/docs/rules/spaced-line-comment.md
@@ -0,0 +1,73 @@
+# spaced-line-comment: enforce consistent spacing after `//` in line comments
+
+(removed) This rule was **removed** in ESLint v1.0 and **replaced** by the [spaced-comment](spaced-comment.md) rule.
+
+Some style guides require or disallow a whitespace immediately after the initial `//` of a line comment.
+Whitespace after the `//` makes it easier to read text in comments.
+On the other hand, commenting out code is easier without having to put a whitespace right after the `//`.
+
+
+## Rule Details
+
+This rule will enforce consistency of spacing after the start of a line comment `//`.
+
+This rule takes two arguments. If the first is `"always"` then the `//` must be followed by at least once whitespace.
+If `"never"` then there should be no whitespace following.
+The default is `"always"`.
+
+The second argument is an object with one key, `"exceptions"`.
+The value is an array of string patterns which are considered exceptions to the rule.
+It is important to note that the exceptions are ignored if the first argument is `"never"`.
+Exceptions cannot be mixed.
+
+Examples of **incorrect** code for this rule:
+
+```js
+// When ["never"]
+// This is a comment with a whitespace at the beginning
+```
+
+```js
+//When ["always"]
+//This is a comment with no whitespace at the beginning
+var foo = 5;
+```
+
+```js
+// When ["always",{"exceptions":["-","+"]}]
+//------++++++++
+// Comment block
+//------++++++++
+```
+
+Examples of **correct** code for this rule:
+
+```js
+// When ["always"]
+// This is a comment with a whitespace at the beginning
+var foo = 5;
+```
+
+```js
+//When ["never"]
+//This is a comment with no whitespace at the beginning
+var foo = 5;
+```
+
+```js
+// When ["always",{"exceptions":["-"]}]
+//--------------
+// Comment block
+//--------------
+```
+
+```js
+// When ["always",{"exceptions":["-+"]}]
+//-+-+-+-+-+-+-+
+// Comment block
+//-+-+-+-+-+-+-+
+```
+
+## Related Rules
+
+* [spaced-comment](spaced-comment.md)
diff --git a/eslint/docs/rules/strict.md b/eslint/docs/rules/strict.md
new file mode 100644
index 0000000..9df292b
--- /dev/null
+++ b/eslint/docs/rules/strict.md
@@ -0,0 +1,272 @@
+# require or disallow strict mode directives (strict)
+
+A strict mode directive is a `"use strict"` literal at the beginning of a script or function body. It enables strict mode semantics.
+
+When a directive occurs in global scope, strict mode applies to the entire script:
+
+```js
+"use strict";
+
+// strict mode
+
+function foo() {
+    // strict mode
+}
+```
+
+When a directive occurs at the beginning of a function body, strict mode applies only to that function, including all contained functions:
+
+```js
+function foo() {
+    "use strict";
+    // strict mode
+}
+
+function foo2() {
+    // not strict mode
+};
+
+(function() {
+    "use strict";
+    function bar() {
+        // strict mode
+    }
+}());
+```
+
+In the **CommonJS** module system, a hidden function wraps each module and limits the scope of a "global" strict mode directive.
+
+In **ECMAScript** modules, which always have strict mode semantics, the directives are unnecessary.
+
+## Rule Details
+
+This rule requires or disallows strict mode directives.
+
+This rule disallows strict mode directives, no matter which option is specified, if ESLint configuration specifies either of the following as [parser options](/docs/user-guide/configuring.md#specifying-parser-options):
+
+* `"sourceType": "module"` that is, files are **ECMAScript** modules
+* `"impliedStrict": true` property in the `ecmaFeatures` object
+
+This rule disallows strict mode directives, no matter which option is specified, in functions with non-simple parameter lists (for example, parameter lists with default parameter values) because that is a syntax error in **ECMAScript 2016** and later. See the examples of the [function](#function) option.
+
+The `--fix` option on the command line does not insert new `"use strict"` statements, but only removes unneeded statements.
+
+## Options
+
+This rule has a string option:
+
+* `"safe"` (default) corresponds either of the following options:
+    * `"global"` if ESLint considers a file to be a **CommonJS** module
+    * `"function"` otherwise
+* `"global"` requires one strict mode directive in the global scope (and disallows any other strict mode directives)
+* `"function"` requires one strict mode directive in each top-level function declaration or expression (and disallows any other strict mode directives)
+* `"never"` disallows strict mode directives
+
+### safe
+
+The `"safe"` option corresponds to the `"global"` option if ESLint considers a file to be a **Node.js** or **CommonJS** module because the configuration specifies either of the following:
+
+* `node` or `commonjs` [environments](/docs/user-guide/configuring.md#specifying-environments)
+* `"globalReturn": true` property in the `ecmaFeatures` object of [parser options](/docs/user-guide/configuring.md#specifying-parser-options)
+
+Otherwise the `"safe"` option corresponds to the `"function"` option. Note that if `"globalReturn": false` is explicitly specified in the configuration, the `"safe"` option will correspond to the `"function"` option regardless of the specified environment.
+
+### global
+
+Examples of **incorrect** code for this rule with the `"global"` option:
+
+```js
+/*eslint strict: ["error", "global"]*/
+
+function foo() {
+}
+```
+
+```js
+/*eslint strict: ["error", "global"]*/
+
+function foo() {
+    "use strict";
+}
+```
+
+```js
+/*eslint strict: ["error", "global"]*/
+
+"use strict";
+
+function foo() {
+    "use strict";
+}
+```
+
+Examples of **correct** code for this rule with the `"global"` option:
+
+```js
+/*eslint strict: ["error", "global"]*/
+
+"use strict";
+
+function foo() {
+}
+```
+
+### function
+
+This option ensures that all function bodies are strict mode code, while global code is not. Particularly if a build step concatenates multiple scripts, a strict mode directive in global code of one script could unintentionally enable strict mode in another script that was not intended to be strict code.
+
+Examples of **incorrect** code for this rule with the `"function"` option:
+
+```js
+/*eslint strict: ["error", "function"]*/
+
+"use strict";
+
+function foo() {
+}
+```
+
+```js
+/*eslint strict: ["error", "function"]*/
+
+function foo() {
+}
+
+(function() {
+    function bar() {
+        "use strict";
+    }
+}());
+```
+
+```js
+/*eslint strict: ["error", "function"]*/
+/*eslint-env es6*/
+
+// Illegal "use strict" directive in function with non-simple parameter list.
+// This is a syntax error since ES2016.
+function foo(a = 1) {
+    "use strict";
+}
+
+// We cannot write "use strict" directive in this function.
+// So we have to wrap this function with a function with "use strict" directive.
+function foo(a = 1) {
+}
+```
+
+Examples of **correct** code for this rule with the `"function"` option:
+
+```js
+/*eslint strict: ["error", "function"]*/
+
+function foo() {
+    "use strict";
+}
+
+(function() {
+    "use strict";
+
+    function bar() {
+    }
+
+    function baz(a = 1) {
+    }
+}());
+
+var foo = (function() {
+    "use strict";
+
+    return function foo(a = 1) {
+    };
+}());
+```
+
+### never
+
+Examples of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint strict: ["error", "never"]*/
+
+"use strict";
+
+function foo() {
+}
+```
+
+```js
+/*eslint strict: ["error", "never"]*/
+
+function foo() {
+    "use strict";
+}
+```
+
+Examples of **correct** code for this rule with the `"never"` option:
+
+```js
+/*eslint strict: ["error", "never"]*/
+
+function foo() {
+}
+```
+
+### earlier default (removed)
+
+(removed) The default option (that is, no string option specified) for this rule was **removed** in ESLint v1.0. The `"function"` option is most similar to the removed option.
+
+This option ensures that all functions are executed in strict mode. A strict mode directive must be present in global code or in every top-level function declaration or expression. It does not concern itself with unnecessary strict mode directives in nested functions that are already strict, nor with multiple strict mode directives at the same level.
+
+Examples of **incorrect** code for this rule with the earlier default option which has been removed:
+
+```js
+// "strict": "error"
+
+function foo() {
+}
+```
+
+```js
+// "strict": "error"
+
+(function() {
+    function bar() {
+        "use strict";
+    }
+}());
+```
+
+Examples of **correct** code for this rule with the earlier default option which has been removed:
+
+```js
+// "strict": "error"
+
+"use strict";
+
+function foo() {
+}
+```
+
+```js
+// "strict": "error"
+
+function foo() {
+    "use strict";
+}
+```
+
+```js
+// "strict": "error"
+
+(function() {
+    "use strict";
+    function bar() {
+        "use strict";
+    }
+}());
+```
+
+## When Not To Use It
+
+In a codebase that has both strict and non-strict code, either turn this rule off, or [selectively disable it](/docs/user-guide/configuring.md) where necessary. For example, functions referencing `arguments.callee` are invalid in strict mode. A [full list of strict mode differences](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode/Transitioning_to_strict_mode#Differences_from_non-strict_to_strict) is available on MDN.
diff --git a/eslint/docs/rules/switch-colon-spacing.md b/eslint/docs/rules/switch-colon-spacing.md
new file mode 100644
index 0000000..bd469ea
--- /dev/null
+++ b/eslint/docs/rules/switch-colon-spacing.md
@@ -0,0 +1,80 @@
+# Enforce spacing around colons of switch statements (switch-colon-spacing)
+
+Spacing around colons improves readability of `case`/`default` clauses.
+
+## Rule Details
+
+This rule controls spacing around colons of `case` and `default` clauses in `switch` statements.
+This rule does the check only if the consecutive tokens exist on the same line.
+
+This rule has 2 options that are boolean value.
+
+```json
+{
+    "switch-colon-spacing": ["error", {"after": true, "before": false}]
+}
+```
+
+- `"after": true` (Default) requires one or more spaces after colons.
+- `"after": false` disallows spaces after colons.
+- `"before": true` requires one or more spaces before colons.
+- `"before": false` (Default) disallows before colons.
+
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint switch-colon-spacing: "error"*/
+
+switch (a) {
+    case 0 :break;
+    default :foo();
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint switch-colon-spacing: "error"*/
+
+switch (a) {
+    case 0: foo(); break;
+    case 1:
+        bar();
+        break;
+    default:
+        baz();
+        break;
+}
+```
+
+Examples of **incorrect** code for this rule with `{"after": false, "before": true}` option:
+
+```js
+/*eslint switch-colon-spacing: ["error", {"after": false, "before": true}]*/
+
+switch (a) {
+    case 0: break;
+    default: foo();
+}
+```
+
+Examples of **correct** code for this rule with `{"after": false, "before": true}` option:
+
+```js
+/*eslint switch-colon-spacing: ["error", {"after": false, "before": true}]*/
+
+switch (a) {
+    case 0 :foo(); break;
+    case 1 :
+        bar();
+        break;
+    default :
+        baz();
+        break;
+}
+```
+
+## When Not To Use It
+
+If you don't want to notify spacing around colons of switch statements, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/symbol-description.md b/eslint/docs/rules/symbol-description.md
new file mode 100644
index 0000000..61be876
--- /dev/null
+++ b/eslint/docs/rules/symbol-description.md
@@ -0,0 +1,61 @@
+# require symbol description (symbol-description)
+
+The `Symbol` function may have an optional description:
+
+```js
+var foo = Symbol("some description");
+
+var someString = "some description";
+var bar = Symbol(someString);
+```
+
+
+Using `description` promotes easier debugging: when a symbol is logged the description is used:
+
+```js
+var foo = Symbol("some description");
+
+> console.log(foo);
+// Symbol(some description)
+```
+
+It may facilitate identifying symbols when one is observed during debugging.
+
+
+## Rule Details
+
+This rules requires a description when creating symbols.
+
+
+## Examples
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint symbol-description: "error"*/
+/*eslint-env es6*/
+
+var foo = Symbol();
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint symbol-description: "error"*/
+/*eslint-env es6*/
+
+var foo = Symbol("some description");
+
+var someString = "some description";
+var bar = Symbol(someString);
+```
+
+
+## When Not To Use It
+
+This rule should not be used in ES3/5 environments.
+In addition, this rule can be safely turned off if you don't want to enforce presence of `description` when creating Symbols.
+
+## Further Reading
+
+* [Symbol Objects specification: Symbol description](https://www.ecma-international.org/ecma-262/6.0/#sec-symbol-description)
diff --git a/eslint/docs/rules/template-curly-spacing.md b/eslint/docs/rules/template-curly-spacing.md
new file mode 100644
index 0000000..f7e0714
--- /dev/null
+++ b/eslint/docs/rules/template-curly-spacing.md
@@ -0,0 +1,82 @@
+# Enforce Usage of Spacing in Template Strings (template-curly-spacing)
+
+We can embed expressions in template strings with using a pair of `${` and `}`.
+
+This rule can force usage of spacing _within_ the curly brace pair according to style guides.
+
+```js
+let hello = `hello, ${people.name}!`;
+```
+
+## Rule Details
+
+This rule aims to maintain consistency around the spacing inside of template literals.
+
+## Options
+
+```json
+{
+    "template-curly-spacing": ["error", "never"]
+}
+```
+
+This rule has one option which has either `"never"` or `"always"` as value.
+
+* `"never"` (by default) - Disallows spaces inside of the curly brace pair.
+* `"always"` - Requires one or more spaces inside of the curly brace pair.
+
+## Examples
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint template-curly-spacing: "error"*/
+
+`hello, ${ people.name}!`;
+`hello, ${people.name }!`;
+
+`hello, ${ people.name }!`;
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint template-curly-spacing: "error"*/
+
+`hello, ${people.name}!`;
+
+`hello, ${
+    people.name
+}!`;
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint template-curly-spacing: ["error", "always"]*/
+
+`hello, ${ people.name}!`;
+`hello, ${people.name }!`;
+
+`hello, ${people.name}!`;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint template-curly-spacing: ["error", "always"]*/
+
+`hello, ${ people.name }!`;
+
+`hello, ${
+    people.name
+}!`;
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of spacing inside of template strings, then it's safe to disable this rule.
diff --git a/eslint/docs/rules/template-tag-spacing.md b/eslint/docs/rules/template-tag-spacing.md
new file mode 100644
index 0000000..58cd166
--- /dev/null
+++ b/eslint/docs/rules/template-tag-spacing.md
@@ -0,0 +1,76 @@
+# Require or disallow spacing between template tags and their literals (template-tag-spacing)
+
+With ES6, it's possible to create functions called [tagged template literals](#further-reading) where the function parameters consist of a template literal's strings and expressions.
+
+When using tagged template literals, it's possible to insert whitespace between the tag function and the template literal. Since this whitespace is optional, the following lines are equivalent:
+
+```js
+let hello = func`Hello world`;
+let hello = func `Hello world`;
+```
+
+## Rule Details
+
+This rule aims to maintain consistency around the spacing between template tag functions and their template literals.
+
+## Options
+
+```json
+{
+    "template-tag-spacing": ["error", "never"]
+}
+```
+
+This rule has one option whose value can be set to `"never"` or `"always"`
+
+* `"never"` (default) - Disallows spaces between a tag function and its template literal.
+* `"always"` - Requires one or more spaces between a tag function and its template literal.
+
+## Examples
+
+### never
+
+Examples of **incorrect** code for this rule with the default `"never"` option:
+
+```js
+/*eslint template-tag-spacing: "error"*/
+
+func `Hello world`;
+```
+
+Examples of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint template-tag-spacing: "error"*/
+
+func`Hello world`;
+```
+
+### always
+
+Examples of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint template-tag-spacing: ["error", "always"]*/
+
+func`Hello world`;
+```
+
+Examples of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint template-tag-spacing: ["error", "always"]*/
+
+func `Hello world`;
+```
+
+## When Not To Use It
+
+If you don't want to be notified about usage of spacing between tag functions and their template literals, then it's safe to disable this rule.
+
+## Further Reading
+
+If you want to learn more about tagged template literals, check out the links below:
+
+* [Template literals (MDN)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals#Tagged_template_literals)
+* [Examples of using tagged template literals (Exploring ES6)](http://exploringjs.com/es6/ch_template-literals.html#_examples-of-using-tagged-template-literals)
diff --git a/eslint/docs/rules/unicode-bom.md b/eslint/docs/rules/unicode-bom.md
new file mode 100644
index 0000000..bb99252
--- /dev/null
+++ b/eslint/docs/rules/unicode-bom.md
@@ -0,0 +1,63 @@
+# Require or disallow the Unicode Byte Order Mark (BOM) (unicode-bom)
+
+The Unicode Byte Order Mark (BOM) is used to specify whether code units are big
+endian or little endian. That is, whether the most significant or least
+significant bytes come first. UTF-8 does not require a BOM because byte ordering
+does not matter when characters are a single byte. Since UTF-8 is the dominant
+encoding of the web, we make `"never"` the default option.
+
+## Rule Details
+
+If the `"always"` option is used, this rule requires that files always begin
+with the Unicode BOM character U+FEFF. If `"never"` is used, files must never
+begin with U+FEFF.
+
+## Options
+
+This rule has a string option:
+
+* `"always"` files must begin with the Unicode BOM
+* `"never"` (default) files must not begin with the Unicode BOM
+
+### always
+
+Example of **correct** code for this rule with the `"always"` option:
+
+```js
+/*eslint unicode-bom: ["error", "always"]*/
+
+U+FEFF
+var abc;
+```
+
+Example of **incorrect** code for this rule with the `"always"` option:
+
+```js
+/*eslint unicode-bom: ["error", "always"]*/
+
+var abc;
+```
+
+### never
+
+Example of **correct** code for this rule with the default `"never"` option:
+
+```js
+/*eslint unicode-bom: ["error", "never"]*/
+
+var abc;
+```
+
+Example of **incorrect** code for this rule with the `"never"` option:
+
+```js
+/*eslint unicode-bom: ["error", "never"]*/
+
+U+FEFF
+var abc;
+```
+
+## When Not To Use It
+
+If you use some UTF-16 or UTF-32 files and you want to allow a file to
+optionally begin with a Unicode BOM, you should turn this rule off.
diff --git a/eslint/docs/rules/use-isnan.md b/eslint/docs/rules/use-isnan.md
new file mode 100644
index 0000000..ae9fefe
--- /dev/null
+++ b/eslint/docs/rules/use-isnan.md
@@ -0,0 +1,201 @@
+# require calls to `isNaN()` when checking for `NaN` (use-isnan)
+
+In JavaScript, `NaN` is a special value of the `Number` type. It's used to represent any of the "not-a-number" values represented by the double-precision 64-bit format as specified by the IEEE Standard for Binary Floating-Point Arithmetic.
+
+Because `NaN` is unique in JavaScript by not being equal to anything, including itself, the results of comparisons to `NaN` are confusing:
+
+* `NaN === NaN` or `NaN == NaN` evaluate to false
+* `NaN !== NaN` or `NaN != NaN` evaluate to true
+
+Therefore, use `Number.isNaN()` or global `isNaN()` functions to test whether a value is `NaN`.
+
+## Rule Details
+
+This rule disallows comparisons to 'NaN'.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint use-isnan: "error"*/
+
+if (foo == NaN) {
+    // ...
+}
+
+if (foo != NaN) {
+    // ...
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint use-isnan: "error"*/
+
+if (isNaN(foo)) {
+    // ...
+}
+
+if (!isNaN(foo)) {
+    // ...
+}
+```
+
+## Options
+
+This rule has an object option, with two options:
+
+* `"enforceForSwitchCase": true` (default) additionally disallows `case NaN` and `switch(NaN)` in `switch` statements.
+* `"enforceForIndexOf": true` additionally disallows the use of `indexOf` and `lastIndexOf` methods with `NaN`. Default is `false`, meaning that this rule by default does not warn about `indexOf(NaN)` or `lastIndexOf(NaN)` method calls.
+
+### enforceForSwitchCase
+
+The `switch` statement internally uses the `===` comparison to match the expression's value to a case clause.
+Therefore, it can never match `case NaN`. Also, `switch(NaN)` can never match a case clause.
+
+Examples of **incorrect** code for this rule with `"enforceForSwitchCase"` option set to `true` (default):
+
+```js
+/*eslint use-isnan: ["error", {"enforceForSwitchCase": true}]*/
+
+switch (foo) {
+    case NaN:
+        bar();
+        break;
+    case 1:
+        baz();
+        break;
+    // ...
+}
+
+switch (NaN) {
+    case a:
+        bar();
+        break;
+    case b:
+        baz();
+        break;
+    // ...
+}
+```
+
+Examples of **correct** code for this rule with `"enforceForSwitchCase"` option set to `true` (default):
+
+```js
+/*eslint use-isnan: ["error", {"enforceForSwitchCase": true}]*/
+
+if (Number.isNaN(foo)) {
+    bar();
+} else {
+    switch (foo) {
+        case 1:
+            baz();
+            break;
+        // ...
+    }
+}
+
+if (Number.isNaN(a)) {
+    bar();
+} else if (Number.isNaN(b)) {
+    baz();
+} // ...
+```
+
+Examples of **correct** code for this rule with `"enforceForSwitchCase"` option set to `false`:
+
+```js
+/*eslint use-isnan: ["error", {"enforceForSwitchCase": false}]*/
+
+switch (foo) {
+    case NaN:
+        bar();
+        break;
+    case 1:
+        baz();
+        break;
+    // ...
+}
+
+switch (NaN) {
+    case a:
+        bar();
+        break;
+    case b:
+        baz();
+        break;
+    // ...
+}
+```
+
+### enforceForIndexOf
+
+The following methods internally use the `===` comparison to match the given value with an array element:
+
+* [`Array.prototype.indexOf`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.indexof)
+* [`Array.prototype.lastIndexOf`](https://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.lastindexof)
+
+Therefore, for any array `foo`, `foo.indexOf(NaN)` and `foo.lastIndexOf(NaN)` will always return `-1`.
+
+Set `"enforceForIndexOf"` to `true` if you want this rule to report `indexOf(NaN)` and `lastIndexOf(NaN)` method calls.
+
+Examples of **incorrect** code for this rule with `"enforceForIndexOf"` option set to `true`:
+
+```js
+/*eslint use-isnan: ["error", {"enforceForIndexOf": true}]*/
+
+var hasNaN = myArray.indexOf(NaN) >= 0;
+
+var firstIndex = myArray.indexOf(NaN);
+
+var lastIndex = myArray.lastIndexOf(NaN);
+```
+
+Examples of **correct** code for this rule with `"enforceForIndexOf"` option set to `true`:
+
+```js
+/*eslint use-isnan: ["error", {"enforceForIndexOf": true}]*/
+
+function myIsNaN(val) {
+    return typeof val === "number" && isNaN(val);
+}
+
+function indexOfNaN(arr) {
+    for (var i = 0; i < arr.length; i++) {
+        if (myIsNaN(arr[i])) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+function lastIndexOfNaN(arr) {
+    for (var i = arr.length - 1; i >= 0; i--) {
+        if (myIsNaN(arr[i])) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+var hasNaN = myArray.some(myIsNaN);
+
+var hasNaN = indexOfNaN(myArray) >= 0;
+
+var firstIndex = indexOfNaN(myArray);
+
+var lastIndex = lastIndexOfNaN(myArray);
+
+// ES2015
+var hasNaN = myArray.some(Number.isNaN);
+
+// ES2015
+var firstIndex = myArray.findIndex(Number.isNaN);
+
+// ES2016
+var hasNaN = myArray.includes(NaN);
+```
+
+#### Known Limitations
+
+This option checks methods with the given names, *even if* the object which has the method is *not* an array.
diff --git a/eslint/docs/rules/valid-jsdoc.md b/eslint/docs/rules/valid-jsdoc.md
new file mode 100644
index 0000000..2d50382
--- /dev/null
+++ b/eslint/docs/rules/valid-jsdoc.md
@@ -0,0 +1,393 @@
+# enforce valid JSDoc comments (valid-jsdoc)
+
+This rule was [**deprecated**](https://eslint.org/blog/2018/11/jsdoc-end-of-life) in ESLint v5.10.0.
+
+[JSDoc](http://usejsdoc.org) generates application programming interface (API) documentation from specially-formatted comments in JavaScript code. For example, this is a JSDoc comment for a function:
+
+```js
+/**
+ * Add two numbers.
+ * @param {number} num1 The first number.
+ * @param {number} num2 The second number.
+ * @returns {number} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+```
+
+If comments are invalid because of typing mistakes, then documentation will be incomplete.
+
+If comments are inconsistent because they are not updated when function definitions are modified, then readers might become confused.
+
+## Rule Details
+
+This rule enforces valid and consistent JSDoc comments. It reports any of the following problems:
+
+* missing parameter tag: `@arg`, `@argument`, or `@param`
+* inconsistent order of parameter names in a comment compared to the function or method
+* missing return tag: `@return` or `@returns`
+* missing parameter or return type
+* missing parameter or return description
+* syntax error
+
+This rule does not report missing JSDoc comments for classes, functions, or methods.
+
+**Note:** This rule does not support all of the Google Closure documentation tool's use cases. As such, some code such as `(/**number*/ n => n * 2);` will be flagged as missing appropriate function JSDoc comments even though `/**number*/` is intended to be a type hint and not a documentation block for the function. We don't recommend using this rule if you use type hints in this way.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint valid-jsdoc: "error"*/
+
+// expected @param tag for parameter num1 but found num instead
+// missing @param tag for parameter num2
+// missing return type
+/**
+ * Add two numbers.
+ * @param {number} num The first number.
+ * @returns The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+
+// missing brace
+// missing @returns tag
+/**
+ * @param {string name Whom to greet.
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+
+// missing parameter type for num1
+// missing parameter description for num2
+/**
+ * Represents a sum.
+ * @constructor
+ * @param num1 The first number.
+ * @param {number} num2
+ */
+function sum(num1, num2) {
+    this.num1 = num1;
+    this.num2 = num2;
+}
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint valid-jsdoc: "error"*/
+/*eslint-env es6*/
+
+/**
+ * Add two numbers.
+ * @param {number} num1 The first number.
+ * @param {number} num2 The second number.
+ * @returns {number} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+
+// default options allow missing function description
+// return type `void` means the function has no `return` statement
+/**
+ * @param {string} name Whom to greet.
+ * @returns {void}
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+
+// @constructor tag allows missing @returns tag
+/**
+ * Represents a sum.
+ * @constructor
+ * @param {number} num1 The first number.
+ * @param {number} num2 The second number.
+ */
+function sum(num1, num2) {
+    this.num1 = num1;
+    this.num2 = num2;
+}
+
+// class constructor allows missing @returns tag
+/**
+ * Represents a sum.
+ */
+class Sum {
+    /**
+     * @param {number} num1 The first number.
+     * @param {number} num2 The second number.
+     */
+    constructor(num1, num2) {
+        this.num1 = num1;
+        this.num2 = num2;
+    }
+}
+
+// @abstract tag allows @returns tag without `return` statement
+class Widget {
+    /**
+    * When the state changes, does it affect the rendered appearance?
+    * @abstract
+    * @param {Object} state The new state of the widget.
+    * @returns {boolean} Is current appearance inconsistent with new state?
+    */
+    mustRender (state) {
+        throw new Error("Widget subclass did not implement mustRender");
+    }
+}
+
+// @override tag allows missing @param and @returns tags
+class WonderfulWidget extends Widget {
+    /**
+     * @override
+     */
+    mustRender (state) {
+        return state !== this.state; // shallow comparison
+    }
+}
+```
+
+## Options
+
+This rule has an object option:
+
+* `"prefer"` enforces consistent documentation tags specified by an object whose properties mean instead of key use value (for example, `"return": "returns"` means instead of `@return` use `@returns`)
+* `"preferType"` enforces consistent type strings specified by an object whose properties mean instead of key use value (for example, `"object": "Object"` means instead of `object` use `Object`)
+* `"requireReturn"` requires a return tag:
+    * `true` (default) **even if** the function or method does not have a `return` statement (this option value does not apply to constructors)
+    * `false` **if and only if** the function or method has a `return` statement or returns a value e.g. `async` function (this option value does apply to constructors)
+* `"requireReturnType": false` allows missing type in return tags
+* `"matchDescription"` specifies (as a string) a regular expression to match the description in each JSDoc comment (for example, `".+"` requires a description; this option does not apply to descriptions in parameter or return tags)
+* `"requireParamDescription": false` allows missing description in parameter tags
+* `"requireReturnDescription": false` allows missing description in return tags
+* `"requireParamType": false` allows missing type in parameter tags
+
+### prefer
+
+Examples of additional **incorrect** code for this rule with sample `"prefer": { "arg": "param", "argument": "param", "class": "constructor", "return": "returns", "virtual": "abstract" }` options:
+
+```js
+/*eslint valid-jsdoc: ["error", { "prefer": { "arg": "param", "argument": "param", "class": "constructor", "return": "returns", "virtual": "abstract" } }]*/
+/*eslint-env es6*/
+
+/**
+ * Add two numbers.
+ * @arg {int} num1 The first number.
+ * @arg {int} num2 The second number.
+ * @return {int} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+
+/**
+ * Represents a sum.
+ * @class
+ * @argument {number} num1 The first number.
+ * @argument {number} num2 The second number.
+ */
+function sum(num1, num2) {
+    this.num1 = num1;
+    this.num2 = num2;
+}
+
+class Widget {
+    /**
+     * When the state changes, does it affect the rendered appearance?
+     * @virtual
+     * @argument {Object} state The new state of the widget.
+     * @return {boolean} Is current appearance inconsistent with new state?
+     */
+    mustRender (state) {
+        throw new Error("Widget subclass did not implement mustRender");
+    }
+}
+```
+
+### preferType
+
+Examples of additional **incorrect** code for this rule with sample `"preferType": { "Boolean": "boolean", "Number": "number", "object": "Object", "String": "string" }` options:
+
+```js
+/*eslint valid-jsdoc: ["error", { "preferType": { "Boolean": "boolean", "Number": "number", "object": "Object", "String": "string" } }]*/
+/*eslint-env es6*/
+
+/**
+ * Add two numbers.
+ * @param {Number} num1 The first number.
+ * @param {Number} num2 The second number.
+ * @returns {Number} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+
+/**
+ * Output a greeting as a side effect.
+ * @param {String} name Whom to greet.
+ * @returns {void}
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+
+class Widget {
+    /**
+     * When the state changes, does it affect the rendered appearance?
+     * @abstract
+     * @param {object} state The new state of the widget.
+     * @returns {Boolean} Is current appearance inconsistent with new state?
+     */
+    mustRender (state) {
+        throw new Error("Widget subclass did not implement mustRender");
+    }
+}
+```
+
+### requireReturn
+
+Examples of additional **incorrect** code for this rule with the `"requireReturn": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireReturn": false }]*/
+
+// unexpected @returns tag because function has no `return` statement
+/**
+ * @param {string} name Whom to greet.
+ * @returns {string} The greeting.
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+
+// add @abstract tag to allow @returns tag without `return` statement
+class Widget {
+    /**
+     * When the state changes, does it affect the rendered appearance?
+     * @param {Object} state The new state of the widget.
+     * @returns {boolean} Is current appearance inconsistent with new state?
+     */
+    mustRender (state) {
+        throw new Error("Widget subclass did not implement mustRender");
+    }
+}
+```
+
+Example of additional **correct** code for this rule with the `"requireReturn": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireReturn": false }]*/
+
+/**
+ * @param {string} name Whom to greet.
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+```
+
+### requireReturnType
+
+Example of additional **correct** code for this rule with the `"requireReturnType": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireReturnType": false }]*/
+
+/**
+ * Add two numbers.
+ * @param {number} num1 The first number.
+ * @param {number} num2 The second number.
+ * @returns The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+```
+
+### requireParamType
+
+Example of additional **correct** code for this rule with the `"requireParamType": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireParamType": false }]*/
+
+/**
+ * Add two numbers.
+ * @param num1 The first number.
+ * @param num2 The second number.
+ * @returns {number} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+```
+
+### matchDescription
+
+Example of additional **incorrect** code for this rule with a sample `"matchDescription": ".+"` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "matchDescription": ".+" }]*/
+
+// missing function description
+/**
+ * @param {string} name Whom to greet.
+ * @returns {void}
+ */
+function greet(name) {
+    console.log("Hello " + name);
+}
+```
+
+### requireParamDescription
+
+Example of additional **correct** code for this rule with the `"requireParamDescription": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireParamDescription": false }]*/
+
+/**
+ * Add two numbers.
+ * @param {int} num1
+ * @param {int} num2
+ * @returns {int} The sum of the two numbers.
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+```
+
+### requireReturnDescription
+
+Example of additional **correct** code for this rule with the `"requireReturnDescription": false` option:
+
+```js
+/*eslint valid-jsdoc: ["error", { "requireReturnDescription": false }]*/
+
+/**
+ * Add two numbers.
+ * @param {number} num1 The first number.
+ * @param {number} num2 The second number.
+ * @returns {number}
+ */
+function add(num1, num2) {
+    return num1 + num2;
+}
+```
+
+## When Not To Use It
+
+If you aren't using JSDoc, then you can safely turn this rule off.
+
+## Further Reading
+
+* [JSDoc](http://usejsdoc.org)
+
+## Related Rules
+
+* [require-jsdoc](require-jsdoc.md)
diff --git a/eslint/docs/rules/valid-typeof.md b/eslint/docs/rules/valid-typeof.md
new file mode 100644
index 0000000..b1884a8
--- /dev/null
+++ b/eslint/docs/rules/valid-typeof.md
@@ -0,0 +1,63 @@
+# enforce comparing `typeof` expressions against valid strings (valid-typeof)
+
+For a vast majority of use cases, the result of the `typeof` operator is one of the following string literals: `"undefined"`, `"object"`, `"boolean"`, `"number"`, `"string"`, `"function"`, `"symbol"`, and `"bigint"`. It is usually a typing mistake to compare the result of a `typeof` operator to other string literals.
+
+## Rule Details
+
+This rule enforces comparing `typeof` expressions to valid string literals.
+
+## Options
+
+This rule has an object option:
+
+* `"requireStringLiterals": true` requires `typeof` expressions to only be compared to string literals or other `typeof` expressions, and disallows comparisons to any other value.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint valid-typeof: "error"*/
+
+typeof foo === "strnig"
+typeof foo == "undefimed"
+typeof bar != "nunber"
+typeof bar !== "fucntion"
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint valid-typeof: "error"*/
+
+typeof foo === "string"
+typeof bar == "undefined"
+typeof foo === baz
+typeof bar === typeof qux
+```
+
+Examples of **incorrect** code with the `{ "requireStringLiterals": true }` option:
+
+```js
+typeof foo === undefined
+typeof bar == Object
+typeof baz === "strnig"
+typeof qux === "some invalid type"
+typeof baz === anotherVariable
+typeof foo == 5
+```
+
+Examples of **correct** code with the `{ "requireStringLiterals": true }` option:
+
+```js
+typeof foo === "undefined"
+typeof bar == "object"
+typeof baz === "string"
+typeof bar === typeof qux
+```
+
+## When Not To Use It
+
+You may want to turn this rule off if you will be using the `typeof` operator on host objects.
+
+## Further Reading
+
+* [MDN: `typeof` documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof)
diff --git a/eslint/docs/rules/vars-on-top.md b/eslint/docs/rules/vars-on-top.md
new file mode 100644
index 0000000..78a8bee
--- /dev/null
+++ b/eslint/docs/rules/vars-on-top.md
@@ -0,0 +1,88 @@
+# Require Variable Declarations to be at the top of their scope (vars-on-top)
+
+The `vars-on-top` rule generates warnings when variable declarations are not used serially at the top of a function scope or the top of a program.
+By default variable declarations are always moved (“hoisted”) invisibly to the top of their containing scope by the JavaScript interpreter.
+This rule forces the programmer to represent that behavior by manually moving the variable declaration to the top of its containing scope.
+
+## Rule Details
+
+This rule aims to keep all variable declarations in the leading series of statements.
+Allowing multiple declarations helps promote maintainability and is thus allowed.
+
+Examples of **incorrect** code for this rule:
+
+```js
+/*eslint vars-on-top: "error"*/
+
+// Variable declarations in a block:
+function doSomething() {
+    var first;
+    if (true) {
+        first = true;
+    }
+    var second;
+}
+
+// Variable declaration in for initializer:
+function doSomething() {
+    for (var i=0; i<10; i++) {}
+}
+```
+
+```js
+/*eslint vars-on-top: "error"*/
+
+// Variables after other statements:
+f();
+var a;
+```
+
+Examples of **correct** code for this rule:
+
+```js
+/*eslint vars-on-top: "error"*/
+
+function doSomething() {
+    var first;
+    var second; //multiple declarations are allowed at the top
+    if (true) {
+        first = true;
+    }
+}
+
+function doSomething() {
+    var i;
+    for (i=0; i<10; i++) {}
+}
+```
+
+```js
+/*eslint vars-on-top: "error"*/
+
+var a;
+f();
+```
+
+```js
+/*eslint vars-on-top: "error"*/
+
+// Directives may precede variable declarations.
+"use strict";
+var a;
+f();
+
+// Comments can describe variables.
+function doSomething() {
+    // this is the first var.
+    var first;
+    // this is the second var.
+    var second
+}
+```
+
+## Further Reading
+
+* [JavaScript Scoping and Hoisting](http://www.adequatelygood.com/JavaScript-Scoping-and-Hoisting.html)
+* [var Hoisting](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/var#var_hoisting)
+* [A criticism of the Single Var Pattern in JavaScript, and a simple alternative](http://danielhough.co.uk/blog/single-var-pattern-rant/)
+* [Multiple var statements in JavaScript, not superfluous](http://benalman.com/news/2012/05/multiple-var-statements-javascript/)
diff --git a/eslint/docs/rules/wrap-iife.md b/eslint/docs/rules/wrap-iife.md
new file mode 100644
index 0000000..28653ab
--- /dev/null
+++ b/eslint/docs/rules/wrap-iife.md
@@ -0,0 +1,108 @@
+# Require IIFEs to be Wrapped (wrap-iife)
+
+You can immediately invoke function expressions, but not function declarations. A common technique to create an immediately-invoked function expression (IIFE) is to wrap a function declaration in parentheses. The opening parentheses causes the contained function to be parsed as an expression, rather than a declaration.
+
+```js
+// function expression could be unwrapped
+var x = function () { return { y: 1 };}();
+
+// function declaration must be wrapped
+function () { /* side effects */ }(); // SyntaxError
+```
+
+## Rule Details
+
+This rule requires all immediately-invoked function expressions to be wrapped in parentheses.
+
+## Options
+
+This rule has two options, a string option and an object option.
+
+String option:
+
+* `"outside"` enforces always wrapping the *call* expression. The default is `"outside"`.
+* `"inside"` enforces always wrapping the *function* expression.
+* `"any"` enforces always wrapping, but allows either style.
+
+Object option:
+
+* `"functionPrototypeMethods": true` additionally enforces wrapping function expressions invoked using `.call` and `.apply`. The default is `false`.
+
+### outside
+
+Examples of **incorrect** code for the default `"outside"` option:
+
+```js
+/*eslint wrap-iife: ["error", "outside"]*/
+
+var x = function () { return { y: 1 };}(); // unwrapped
+var x = (function () { return { y: 1 };})(); // wrapped function expression
+```
+
+Examples of **correct** code for the default `"outside"` option:
+
+```js
+/*eslint wrap-iife: ["error", "outside"]*/
+
+var x = (function () { return { y: 1 };}()); // wrapped call expression
+```
+
+### inside
+
+Examples of **incorrect** code for the `"inside"` option:
+
+```js
+/*eslint wrap-iife: ["error", "inside"]*/
+
+var x = function () { return { y: 1 };}(); // unwrapped
+var x = (function () { return { y: 1 };}()); // wrapped call expression
+```
+
+Examples of **correct** code for the `"inside"` option:
+
+```js
+/*eslint wrap-iife: ["error", "inside"]*/
+
+var x = (function () { return { y: 1 };})(); // wrapped function expression
+```
+
+### any
+
+Examples of **incorrect** code for the `"any"` option:
+
+```js
+/*eslint wrap-iife: ["error", "any"]*/
+
+var x = function () { return { y: 1 };}(); // unwrapped
+```
+
+Examples of **correct** code for the `"any"` option:
+
+```js
+/*eslint wrap-iife: ["error", "any"]*/
+
+var x = (function () { return { y: 1 };}()); // wrapped call expression
+var x = (function () { return { y: 1 };})(); // wrapped function expression
+```
+
+### functionPrototypeMethods
+
+Examples of **incorrect** code for this rule with the `"inside", { "functionPrototypeMethods": true }` options:
+
+```js
+/* eslint wrap-iife: [2, "inside", { functionPrototypeMethods: true }] */
+
+var x = function(){ foo(); }()
+var x = (function(){ foo(); }())
+var x = function(){ foo(); }.call(bar)
+var x = (function(){ foo(); }.call(bar))
+```
+
+Examples of **correct** code for this rule with the `"inside", { "functionPrototypeMethods": true }` options:
+
+```js
+/* eslint wrap-iife: [2, "inside", { functionPrototypeMethods: true }] */
+
+var x = (function(){ foo(); })()
+var x = (function(){ foo(); }).call(bar)
+```
diff --git a/eslint/docs/rules/wrap-regex.md b/eslint/docs/rules/wrap-regex.md
new file mode 100644
index 0000000..df8003f
--- /dev/null
+++ b/eslint/docs/rules/wrap-regex.md
@@ -0,0 +1,33 @@
+# Require Regex Literals to be Wrapped (wrap-regex)
+
+When a regular expression is used in certain situations, it can end up looking like a division operator. For example:
+
+```js
+function a() {
+    return /foo/.test("bar");
+}
+```
+
+## Rule Details
+
+This is used to disambiguate the slash operator and facilitates more readable code.
+
+Example of **incorrect** code for this rule:
+
+```js
+/*eslint wrap-regex: "error"*/
+
+function a() {
+    return /foo/.test("bar");
+}
+```
+
+Example of **correct** code for this rule:
+
+```js
+/*eslint wrap-regex: "error"*/
+
+function a() {
+    return (/foo/).test("bar");
+}
+```
diff --git a/eslint/docs/rules/yield-star-spacing.md b/eslint/docs/rules/yield-star-spacing.md
new file mode 100644
index 0000000..8868e99
--- /dev/null
+++ b/eslint/docs/rules/yield-star-spacing.md
@@ -0,0 +1,97 @@
+# Enforce spacing around the `*` in `yield*` expressions (yield-star-spacing)
+
+## Rule Details
+
+This rule enforces spacing around the `*` in `yield*` expressions.
+
+To use this rule you either need to [use the `es6` environment](../user-guide/configuring.md#specifying-environments) or
+[set `ecmaVersion` to `6` in `parserOptions`](../user-guide/configuring.md#specifying-parser-options).
+
+## Options
+
+The rule takes one option, an object, which has two keys `before` and `after` having boolean values `true` or `false`.
+
+* `before` enforces spacing between the `yield` and the `*`.
+  If `true`, a space is required, otherwise spaces are disallowed.
+
+* `after` enforces spacing between the `*` and the argument.
+  If it is `true`, a space is required, otherwise spaces are disallowed.
+
+The default is `{"before": false, "after": true}`.
+
+```json
+"yield-star-spacing": ["error", {"before": true, "after": false}]
+```
+
+The option also has a string shorthand:
+
+* `{"before": false, "after": true}` → `"after"`
+* `{"before": true, "after": false}` → `"before"`
+* `{"before": true, "after": true}` → `"both"`
+* `{"before": false, "after": false}` → `"neither"`
+
+```json
+"yield-star-spacing": ["error", "after"]
+```
+
+## Examples
+
+### after
+
+Examples of **correct** code for this rule with the default `"after"` option:
+
+```js
+/*eslint yield-star-spacing: ["error", "after"]*/
+/*eslint-env es6*/
+
+function* generator() {
+  yield* other();
+}
+```
+
+### before
+
+Examples of **correct** code for this rule with the `"before"` option:
+
+```js
+/*eslint yield-star-spacing: ["error", "before"]*/
+/*eslint-env es6*/
+
+function *generator() {
+  yield *other();
+}
+```
+
+### both
+
+Examples of **correct** code for this rule with the `"both"` option:
+
+```js
+/*eslint yield-star-spacing: ["error", "both"]*/
+/*eslint-env es6*/
+
+function * generator() {
+  yield * other();
+}
+```
+
+### neither
+
+Examples of **correct** code for this rule with the `"neither"` option:
+
+```js
+/*eslint yield-star-spacing: ["error", "neither"]*/
+/*eslint-env es6*/
+
+function*generator() {
+  yield*other();
+}
+```
+
+## When Not To Use It
+
+If your project will not be using generators or you are not concerned with spacing consistency, you do not need this rule.
+
+## Further Reading
+
+* [Understanding ES6: Generators](https://leanpub.com/understandinges6/read/#leanpub-auto-generators)
diff --git a/eslint/docs/rules/yoda.md b/eslint/docs/rules/yoda.md
new file mode 100644
index 0000000..9a23a55
--- /dev/null
+++ b/eslint/docs/rules/yoda.md
@@ -0,0 +1,187 @@
+# Require or disallow Yoda Conditions (yoda)
+
+Yoda conditions are so named because the literal value of the condition comes first while the variable comes second. For example, the following is a Yoda condition:
+
+```js
+if ("red" === color) {
+    // ...
+}
+```
+
+This is called a Yoda condition because it reads as, "if red equals the color", similar to the way the Star Wars character Yoda speaks. Compare to the other way of arranging the operands:
+
+```js
+if (color === "red") {
+    // ...
+}
+```
+
+This typically reads, "if the color equals red", which is arguably a more natural way to describe the comparison.
+
+Proponents of Yoda conditions highlight that it is impossible to mistakenly use `=` instead of `==` because you cannot assign to a literal value. Doing so will cause a syntax error and you will be informed of the mistake early on. This practice was therefore very common in early programming where tools were not yet available.
+
+Opponents of Yoda conditions point out that tooling has made us better programmers because tools will catch the mistaken use of `=` instead of `==` (ESLint will catch this for you). Therefore, they argue, the utility of the pattern doesn't outweigh the readability hit the code takes while using Yoda conditions.
+
+## Rule Details
+
+This rule aims to enforce consistent style of conditions which compare a variable to a literal value.
+
+## Options
+
+This rule can take a string option:
+
+* If it is the default `"never"`, then comparisons must never be Yoda conditions.
+* If it is `"always"`, then the literal value must always come first.
+
+The default `"never"` option can have exception options in an object literal:
+
+* If the `"exceptRange"` property is `true`, the rule *allows* yoda conditions in range comparisons which are wrapped directly in parentheses, including the parentheses of an `if` or `while` condition. The default value is `false`. A *range* comparison tests whether a variable is inside or outside the range between two literal values.
+* If the `"onlyEquality"` property is `true`, the rule reports yoda conditions *only* for the equality operators `==` and `===`. The default value is `false`.
+
+The `onlyEquality` option allows a superset of the exceptions which `exceptRange` allows, thus both options are not useful together.
+
+### never
+
+Examples of **incorrect** code for the default `"never"` option:
+
+```js
+/*eslint yoda: "error"*/
+
+if ("red" === color) {
+    // ...
+}
+
+if (`red` === color) {
+    // ...
+}
+
+if (`red` === `${color}`) {
+    // ...
+}
+
+if (true == flag) {
+    // ...
+}
+
+if (5 > count) {
+    // ...
+}
+
+if (-1 < str.indexOf(substr)) {
+    // ...
+}
+
+if (0 <= x && x < 1) {
+    // ...
+}
+```
+
+Examples of **correct** code for the default `"never"` option:
+
+```js
+/*eslint yoda: "error"*/
+
+if (5 & value) {
+    // ...
+}
+
+if (value === "red") {
+    // ...
+}
+
+if (value === `red`) {
+    // ...
+}
+
+if (`${value}` === `red`) {
+
+}
+```
+
+### exceptRange
+
+Examples of **correct** code for the `"never", { "exceptRange": true }` options:
+
+```js
+/*eslint yoda: ["error", "never", { "exceptRange": true }]*/
+
+function isReddish(color) {
+    return (color.hue < 60 || 300 < color.hue);
+}
+
+if (x < -1 || 1 < x) {
+    // ...
+}
+
+if (count < 10 && (0 <= rand && rand < 1)) {
+    // ...
+}
+
+if (`blue` < x && x < `green`) {
+    // ...
+}
+
+function howLong(arr) {
+    return (0 <= arr.length && arr.length < 10) ? "short" : "long";
+}
+```
+
+### onlyEquality
+
+Examples of **correct** code for the `"never", { "onlyEquality": true }` options:
+
+```js
+/*eslint yoda: ["error", "never", { "onlyEquality": true }]*/
+
+if (x < -1 || 9 < x) {
+}
+
+if (x !== 'foo' && 'bar' != x) {
+}
+
+if (x !== `foo` && `bar` != x) {
+}
+```
+
+### always
+
+Examples of **incorrect** code for the `"always"` option:
+
+```js
+/*eslint yoda: ["error", "always"]*/
+
+if (color == "blue") {
+    // ...
+}
+
+if (color == `blue`) {
+    // ...
+}
+```
+
+Examples of **correct** code for the `"always"` option:
+
+```js
+/*eslint yoda: ["error", "always"]*/
+
+if ("blue" == value) {
+    // ...
+}
+
+if (`blue` == value) {
+    // ...
+}
+
+if (`blue` == `${value}`) {
+    // ...
+}
+
+if (-1 < str.indexOf(substr)) {
+    // ...
+}
+```
+
+## Further Reading
+
+* [Yoda Conditions](https://en.wikipedia.org/wiki/Yoda_conditions)
+* [Yoda Notation and Safe Switching](http://thomas.tuerke.net/on/design/?with=1249091668#msg1146181680)
diff --git a/eslint/docs/user-guide/README.md b/eslint/docs/user-guide/README.md
new file mode 100644
index 0000000..31160d1
--- /dev/null
+++ b/eslint/docs/user-guide/README.md
@@ -0,0 +1,38 @@
+# User Guide
+
+This guide is intended for those who wish to use ESLint as an end-user. If you're looking for how to extend ESLint or work with the ESLint source code, please see the [Developer Guide](../developer-guide).
+
+## [Getting Started](getting-started.md)
+
+Want to skip ahead and just start using ESLint? This section gives a high-level overview of installation, setup, and configuration options.
+
+## [Rules](../rules)
+
+ESLint has a lot of rules that you can configure to fine-tune it to your project. This section is an exhaustive list of every rule and link to each rule's documentation.
+
+## [Configuring](configuring.md)
+
+Once you've got ESLint running, you'll probably want to adjust the configuration to better suit your project. This section explains all the different ways you can configure ESLint.
+
+## [Command Line Interface](command-line-interface.md)
+
+There are a lot of command line flags for ESLint and this section explains what they do.
+
+## [Integrations](integrations.md)
+
+Wondering if ESLint will work with your favorite editor or build system? This section has a list of all known integrations (submitted by their authors).
+
+## [Rule Deprecation](rule-deprecation.md)
+
+The ESLint team is committed to making upgrading as easy and painless as possible. This section outlines the guidelines the team has set in place for the deprecation of rules in future releases.
+
+## Migrating
+
+If you were using a prior version of ESLint, you can get help with the transition by reading:
+
+- [migrating-to-1.0.0](migrating-to-1.0.0.md)
+- [migrating-to-2.0.0](migrating-to-2.0.0.md)
+- [migrating-to-3.0.0](migrating-to-3.0.0.md)
+- [migrating-to-4.0.0](migrating-to-4.0.0.md)
+- [migrating-to-5.0.0](migrating-to-5.0.0.md)
+- [migrating-to-6.0.0](migrating-to-6.0.0.md)
diff --git a/eslint/docs/user-guide/command-line-interface.md b/eslint/docs/user-guide/command-line-interface.md
new file mode 100644
index 0000000..b8f1049
--- /dev/null
+++ b/eslint/docs/user-guide/command-line-interface.md
@@ -0,0 +1,494 @@
+# Command Line Interface
+
+To run ESLint on Node.js, you must have npm installed. If npm is not installed, follow the instructions here: https://www.npmjs.com/
+
+Once npm is installed, run the following
+
+    npm i -g eslint
+
+This installs the ESLint CLI from the npm repository. To run ESLint, use the following format:
+
+    eslint [options] [file|dir|glob]*
+
+Such as:
+
+    eslint file1.js file2.js
+
+or:
+
+    eslint lib/**
+
+Please note that when passing a glob as a parameter, it will be expanded by your shell. The results of the expansion can vary depending on your shell, and its configuration. If you want to use node `glob` syntax, you have to quote your parameter (using double quotes if you need it to run in Windows), as follows:
+
+    eslint "lib/**"
+
+## Options
+
+The command line utility has several options. You can view the options by running `eslint -h`.
+
+```text
+eslint [options] file.js [file.js] [dir]
+
+Basic configuration:
+  --no-eslintrc                  Disable use of configuration from .eslintrc.*
+  -c, --config path::String      Use this configuration, overriding .eslintrc.* config options if present
+  --env [String]                 Specify environments
+  --ext [String]                 Specify JavaScript file extensions - default: .js
+  --global [String]              Define global variables
+  --parser String                Specify the parser to be used
+  --parser-options Object        Specify parser options
+  --resolve-plugins-relative-to path::String  A folder where plugins should be resolved from, CWD by default
+
+Specifying rules and plugins:
+  --rulesdir [path::String]      Use additional rules from this directory
+  --plugin [String]              Specify plugins
+  --rule Object                  Specify rules
+
+Fixing problems:
+  --fix                          Automatically fix problems
+  --fix-dry-run                  Automatically fix problems without saving the changes to the file system
+  --fix-type Array               Specify the types of fixes to apply (problem, suggestion, layout)
+
+Ignoring files:
+  --ignore-path path::String     Specify path of ignore file
+  --no-ignore                    Disable use of ignore files and patterns
+  --ignore-pattern [String]      Pattern of files to ignore (in addition to those in .eslintignore)
+
+Using stdin:
+  --stdin                        Lint code provided on <STDIN> - default: false
+  --stdin-filename String        Specify filename to process STDIN as
+
+Handling warnings:
+  --quiet                        Report errors only - default: false
+  --max-warnings Int             Number of warnings to trigger nonzero exit code - default: -1
+
+Output:
+  -o, --output-file path::String  Specify file to write report to
+  -f, --format String            Use a specific output format - default: stylish
+  --color, --no-color            Force enabling/disabling of color
+
+Inline configuration comments:
+  --no-inline-config             Prevent comments from changing config or rules
+  --report-unused-disable-directives  Adds reported errors for unused eslint-disable directives
+
+Caching:
+  --cache                        Only check changed files - default: false
+  --cache-file path::String      Path to the cache file. Deprecated: use --cache-location - default: .eslintcache
+  --cache-location path::String  Path to the cache file or directory
+
+Miscellaneous:
+  --init                         Run config initialization wizard - default: false
+  --env-info                     Output execution environment information - default: false
+  --no-error-on-unmatched-pattern  Prevent errors when pattern is unmatched - default: false
+  --debug                        Output debugging information
+  -h, --help                     Show help
+  -v, --version                  Output the version number
+  --print-config path::String    Print the configuration for the given file
+```
+
+Options that accept array values can be specified by repeating the option or with a comma-delimited list (other than `--ignore-pattern` which does not allow the second style).
+
+Example:
+
+    eslint --ext .jsx --ext .js lib/
+
+    eslint --ext .jsx,.js lib/
+
+### Basic configuration
+
+#### `--no-eslintrc`
+
+Disables use of configuration from `.eslintrc.*` and `package.json` files.
+
+Example:
+
+    eslint --no-eslintrc file.js
+
+#### `-c`, `--config`
+
+This option allows you to specify an additional configuration file for ESLint (see [Configuring ESLint](configuring) for more).
+
+Example:
+
+    eslint -c ~/my-eslint.json file.js
+
+This example uses the configuration file at `~/my-eslint.json`.
+
+If `.eslintrc.*` and/or `package.json` files are also used for configuration (i.e., `--no-eslintrc` was not specified), the configurations will be merged. Options from this configuration file have precedence over the options from `.eslintrc.*` and `package.json` files.
+
+#### `--env`
+
+This option enables specific environments. Details about the global variables defined by each environment are available on the [configuration](configuring.md) documentation. This option only enables environments; it does not disable environments set in other configuration files. To specify multiple environments, separate them using commas, or use the option multiple times.
+
+Examples:
+
+    eslint --env browser,node file.js
+    eslint --env browser --env node file.js
+
+#### `--ext`
+
+This option allows you to specify which file extensions ESLint will use when searching for target files in the directories you specify.
+By default, ESLint lints `*.js` files and the files that match the `overrides` entries of your configuration.
+
+Examples:
+
+    # Use only .ts extension
+    eslint . --ext .ts
+
+    # Use both .js and .ts
+    eslint . --ext .js --ext .ts
+
+    # Also use both .js and .ts
+    eslint . --ext .js,.ts
+
+**Note:** `--ext` is only used when the arguments are directories. If you use glob patterns or file names, then `--ext` is ignored.
+
+For example, `eslint lib/* --ext .js` will match all files within the `lib/` directory, regardless of extension.
+
+#### `--global`
+
+This option defines global variables so that they will not be flagged as undefined by the `no-undef` rule. Any specified global variables are assumed to be read-only by default, but appending `:true` to a variable's name ensures that `no-undef` will also allow writes. To specify multiple global variables, separate them using commas, or use the option multiple times.
+
+Examples:
+
+    eslint --global require,exports:true file.js
+    eslint --global require --global exports:true
+
+#### `--parser`
+
+This option allows you to specify a parser to be used by ESLint. By default, `espree` will be used.
+
+#### `--parser-options`
+
+This option allows you to specify parser options to be used by ESLint. Note that the available parser options are determined by the parser being used.
+
+Examples:
+
+    echo '3 ** 4' | eslint --stdin --parser-options=ecmaVersion:6 # will fail with a parsing error
+    echo '3 ** 4' | eslint --stdin --parser-options=ecmaVersion:7 # succeeds, yay!
+
+#### `--resolve-plugins-relative-to`
+
+Changes the folder where plugins are resolved from. By default, plugins are resolved from the current working directory. This option should be used when plugins were installed by someone other than the end user. It should be set to the project directory of the project that has a dependency on the necessary plugins. For example:
+
+* When using a config file that is located outside of the current project (with the `--config` flag), if the config uses plugins which are installed locally to itself, `--resolve-plugins-relative-to` should be set to the directory containing the config file.
+* If an integration has dependencies on ESLint and a set of plugins, and the tool invokes ESLint on behalf of the user with a preset configuration, the tool should set `--resolve-plugins-relative-to` to the top-level directory of the tool.
+
+### Specifying rules and plugins
+
+#### `--rulesdir`
+
+This option allows you to specify another directory from which to load rules files. This allows you to dynamically load new rules at run time. This is useful when you have custom rules that aren't suitable for being bundled with ESLint.
+
+Example:
+
+    eslint --rulesdir my-rules/ file.js
+
+The rules in your custom rules directory must follow the same format as bundled rules to work properly. You can also specify multiple locations for custom rules by including multiple `--rulesdir` options:
+
+    eslint --rulesdir my-rules/ --rulesdir my-other-rules/ file.js
+
+Note that, as with core rules and plugin rules, you still need to enable the rules in configuration or via the `--rule` CLI option in order to actually run those rules during linting. Specifying a rules directory with `--rulesdir` does not automatically enable the rules within that directory.
+
+#### `--plugin`
+
+This option specifies a plugin to load. You can omit the prefix `eslint-plugin-` from the plugin name.
+
+Before using the plugin, you have to install it using npm.
+
+Examples:
+
+    eslint --plugin jquery file.js
+    eslint --plugin eslint-plugin-mocha file.js
+
+#### `--rule`
+
+This option specifies rules to be used. These rules will be merged with any rules specified with configuration files. (You can use `--no-eslintrc` to change that behavior.) To define multiple rules, separate them using commas, or use the option multiple times. The [levn](https://github.com/gkz/levn#levn--) format is used for specifying the rules.
+
+If the rule is defined within a plugin, you have to prefix the rule ID with the plugin name and a `/`.
+
+Examples:
+
+    eslint --rule 'quotes: [2, double]'
+    eslint --rule 'guard-for-in: 2' --rule 'brace-style: [2, 1tbs]'
+    eslint --rule 'jquery/dollar-sign: 2'
+
+### Fixing problems
+
+#### `--fix`
+
+This option instructs ESLint to try to fix as many issues as possible. The fixes are made to the actual files themselves and only the remaining unfixed issues are output. Not all problems are fixable using this option, and the option does not work in these situations:
+
+1. This option throws an error when code is piped to ESLint.
+1. This option has no effect on code that uses a processor, unless the processor opts into allowing autofixes.
+
+If you want to fix code from `stdin` or otherwise want to get the fixes without actually writing them to the file, use the [`--fix-dry-run`](#--fix-dry-run) option.
+
+#### `--fix-dry-run`
+
+This option has the same effect as `--fix` with one difference: the fixes are not saved to the file system. This makes it possible to fix code from `stdin` (when used with the `--stdin` flag).
+
+Because the default formatter does not output the fixed code, you'll have to use another one (e.g. `json`) to get the fixes. Here's an example of this pattern:
+
+```
+getSomeText | eslint --stdin --fix-dry-run --format=json
+```
+
+This flag can be useful for integrations (e.g. editor plugins) which need to autofix text from the command line without saving it to the filesystem.
+
+#### `--fix-type`
+
+This option allows you to specify the type of fixes to apply when using either `--fix` or `--fix-dry-run`. The three types of fixes are:
+
+1. `problem` - fix potential errors in the code
+1. `suggestion` - apply fixes to the code that improve it
+1. `layout` - apply fixes that do not change the program structure (AST)
+
+You can specify one or more fix type on the command line. Here are some examples:
+
+```
+eslint --fix --fix-type suggestion .
+eslint --fix --fix-type suggestion --fix-type problem .
+eslint --fix --fix-type suggestion,layout .
+```
+
+This option is helpful if you are using another program to format your code but you would still like ESLint to apply other types of fixes.
+
+### Ignoring files
+
+#### `--ignore-path`
+
+This option allows you to specify the file to use as your `.eslintignore`. By default, ESLint looks in the current working directory for `.eslintignore`. You can override this behavior by providing a path to a different file.
+
+Example:
+
+    eslint --ignore-path tmp/.eslintignore file.js
+    eslint --ignore-path .gitignore file.js
+
+#### `--no-ignore`
+
+Disables excluding of files from `.eslintignore`, `--ignore-path`, `--ignore-pattern`, and `ignorePatterns` property in config files.
+
+Example:
+
+    eslint --no-ignore file.js
+
+#### `--ignore-pattern`
+
+This option allows you to specify patterns of files to ignore (in addition to those in `.eslintignore`). You can repeat the option to provide multiple patterns. The supported syntax is the same as for `.eslintignore` [files](./configuring.md#.eslintignore), which use the same patterns as the `.gitignore` [specification](https://git-scm.com/docs/gitignore). You should quote your patterns in order to avoid shell interpretation of glob patterns.
+
+Example:
+
+    eslint --ignore-pattern '/lib/' --ignore-pattern '/src/vendor/*' .
+
+### Using stdin
+
+#### `--stdin`
+
+This option tells ESLint to read and lint source code from STDIN instead of from files. You can use this to pipe code to ESLint.
+
+Example:
+
+    cat myfile.js | eslint --stdin
+
+#### `--stdin-filename`
+
+This option allows you to specify a filename to process STDIN as. This is useful when processing files from STDIN and you have rules which depend on the filename.
+
+Example
+
+    cat myfile.js | eslint --stdin --stdin-filename=myfile.js
+
+### Handling warnings
+
+#### `--quiet`
+
+This option allows you to disable reporting on warnings. If you enable this option, only errors are reported by ESLint.
+
+Example:
+
+    eslint --quiet file.js
+
+#### `--max-warnings`
+
+This option allows you to specify a warning threshold, which can be used to force ESLint to exit with an error status if there are too many warning-level rule violations in your project.
+
+Normally, if ESLint runs and finds no errors (only warnings), it will exit with a success exit status. However, if `--max-warnings` is specified and the total warning count is greater than the specified threshold, ESLint will exit with an error status. Specifying a threshold of `-1` or omitting this option will prevent this behavior.
+
+Example:
+
+    eslint --max-warnings 10 file.js
+
+### Output
+
+#### `-o`, `--output-file`
+
+Enable report to be written to a file.
+
+Example:
+
+    eslint -o ./test/test.html
+
+When specified, the given format is output into the provided file name.
+
+#### `-f`, `--format`
+
+This option specifies the output format for the console. Possible formats are:
+
+* [checkstyle](formatters.md/#checkstyle)
+* [codeframe](formatters.md/#codeframe)
+* [compact](formatters.md/#compact)
+* [html](formatters.md/#html)
+* [jslint-xml](formatters.md/#jslint-xml)
+* [json](formatters.md/#json)
+* [junit](formatters.md/#junit)
+* [stylish](formatters.md/#stylish) (the default)
+* [table](formatters.md/#table)
+* [tap](formatters.md/#tap)
+* [unix](formatters.md/#unix)
+* [visualstudio](formatters.md/#visualstudio)
+
+Example:
+
+    eslint -f compact file.js
+
+You can also use a custom formatter from the command line by specifying a path to the custom formatter file.
+
+Example:
+
+    eslint -f ./customformat.js file.js
+
+An npm-installed formatter is resolved with or without `eslint-formatter-` prefix.
+
+Example:
+
+    npm install eslint-formatter-pretty
+
+    eslint -f pretty file.js
+
+    // equivalent:
+    eslint -f eslint-formatter-pretty file.js
+
+When specified, the given format is output to the console. If you'd like to save that output into a file, you can do so on the command line like so:
+
+    eslint -f compact file.js > results.txt
+
+This saves the output into the `results.txt` file.
+
+#### `--color`, `--no-color`
+
+This option forces the enabling/disabling of colorized output. You can use this to override the default behavior, which is to enable colorized output unless no TTY is detected, such as when piping `eslint` through `cat` or `less`.
+
+Examples:
+
+    eslint --color file.js | cat
+    eslint --no-color file.js
+
+### Inline configuration comments
+
+#### `--no-inline-config`
+
+This option prevents inline comments like `/*eslint-disable*/` or
+`/*global foo*/` from having any effect. This allows you to set an ESLint
+config without files modifying it. All inline config comments are ignored, e.g.:
+
+* `/*eslint-disable*/`
+* `/*eslint-enable*/`
+* `/*global*/`
+* `/*eslint*/`
+* `/*eslint-env*/`
+* `// eslint-disable-line`
+* `// eslint-disable-next-line`
+
+Example:
+
+    eslint --no-inline-config file.js
+
+#### `--report-unused-disable-directives`
+
+This option causes ESLint to report directive comments like `// eslint-disable-line` when no errors would have been reported on that line anyway. This can be useful to prevent future errors from unexpectedly being suppressed, by cleaning up old `eslint-disable` comments which are no longer applicable.
+
+**Warning**: When using this option, it is possible that new errors will start being reported whenever ESLint or custom rules are upgraded. For example, suppose a rule has a bug that causes it to report a false positive, and an `eslint-disable` comment is added to suppress the incorrect report. If the bug is then fixed in a patch release of ESLint, the `eslint-disable` comment will become unused since ESLint is no longer generating an incorrect report. This will result in a new reported error for the unused directive if the `report-unused-disable-directives` option is used.
+
+Example:
+
+    eslint --report-unused-disable-directives file.js
+
+### Caching
+
+#### `--cache`
+
+Store the info about processed files in order to only operate on the changed ones. The cache is stored in `.eslintcache` by default. Enabling this option can dramatically improve ESLint's running time by ensuring that only changed files are linted.
+
+**Note:** If you run ESLint with `--cache` and then run ESLint without `--cache`, the `.eslintcache` file will be deleted. This is necessary because the results of the lint might change and make `.eslintcache` invalid. If you want to control when the cache file is deleted, then use `--cache-location` to specify an alternate location for the cache file.
+
+**Note:** Autofixed files are not placed in the cache. Subsequent linting that does not trigger an autofix will place it in the cache.
+
+#### `--cache-file`
+
+Path to the cache file. If none specified `.eslintcache` will be used. The file will be created in the directory where the `eslint` command is executed. **Deprecated**: Use `--cache-location` instead.
+
+#### `--cache-location`
+
+Path to the cache location. Can be a file or a directory. If no location is specified, `.eslintcache` will be used. In that case, the file will be created in the directory where the `eslint` command is executed.
+
+If a directory is specified, a cache file will be created inside the specified folder. The name of the file will be based on the hash of the current working directory (CWD). e.g.: `.cache_hashOfCWD`
+
+**Important note:** If the directory for the cache does not exist make sure you add a trailing `/` on \*nix systems or `\` in windows. Otherwise the path will be assumed to be a file.
+
+Example:
+
+    eslint "src/**/*.js" --cache --cache-location "/Users/user/.eslintcache/"
+
+### Miscellaneous
+
+#### `--init`
+
+This option will start config initialization wizard. It's designed to help new users quickly create .eslintrc file by answering a few questions, choosing a popular style guide, or inspecting your source files and attempting to automatically generate a suitable configuration.
+
+The resulting configuration file will be created in the current directory.
+
+#### `--env-info`
+
+This option outputs information about the execution environment, including the version of Node, npm, and local and global installations of ESLint. The ESLint team may ask for this information to help solve bugs.
+
+#### `--no-error-on-unmatched-pattern`
+
+This option prevents errors when a quoted glob pattern or `--ext` is unmatched. This will not prevent errors when your shell can't match a glob.
+
+#### `--debug`
+
+This option outputs debugging information to the console. This information is useful when you're seeing a problem and having a hard time pinpointing it. The ESLint team may ask for this debugging information to help solve bugs.
+
+#### `-h`, `--help`
+
+This option outputs the help menu, displaying all of the available options. All other options are ignored when this is present.
+
+#### `-v`, `--version`
+
+This option outputs the current ESLint version onto the console. All other options are ignored when this is present.
+
+#### `--print-config`
+
+This option outputs the configuration to be used for the file passed. When present, no linting is performed and only config-related options are valid.
+
+Example:
+
+    eslint --print-config file.js
+
+## Ignoring files from linting
+
+ESLint supports `.eslintignore` files to exclude files from the linting process when ESLint operates on a directory. Files given as individual CLI arguments will be exempt from exclusion. The `.eslintignore` file is a plain text file containing one pattern per line. It can be located in any of the target directory's ancestors; it will affect files in its containing directory as well as all sub-directories. Here's a simple example of a `.eslintignore` file:
+
+    temp.js
+    **/vendor/*.js
+
+A more detailed breakdown of supported patterns and directories ESLint ignores by default can be found in [Configuring ESLint](configuring.md#ignoring-files-and-directories).
+
+## Exit codes
+
+When linting files, ESLint will exit with one of the following exit codes:
+
+* `0`: Linting was successful and there are no linting errors. If the `--max-warnings` flag is set to `n`, the number of linting warnings is at most `n`.
+* `1`: Linting was successful and there is at least one linting error, or there are more linting warnings than allowed by the `--max-warnings` option.
+* `2`: Linting was unsuccessful due to a configuration problem or an internal error.
diff --git a/eslint/docs/user-guide/configuring.md b/eslint/docs/user-guide/configuring.md
new file mode 100644
index 0000000..7f88019
--- /dev/null
+++ b/eslint/docs/user-guide/configuring.md
@@ -0,0 +1,1155 @@
+# Configuring ESLint
+
+ESLint is designed to be completely configurable, meaning you can turn off every rule and run only with basic syntax validation, or mix and match the bundled rules and your custom rules to make ESLint perfect for your project. There are two primary ways to configure ESLint:
+
+1. **Configuration Comments** - use JavaScript comments to embed configuration information directly into a file.
+1. **Configuration Files** - use a JavaScript, JSON or YAML file to specify configuration information for an entire directory and all of its subdirectories. This can be in the form of an [`.eslintrc.*`](#configuration-file-formats) file or an `eslintConfig` field in a [`package.json`](https://docs.npmjs.com/files/package.json) file, both of which ESLint will look for and read automatically, or you can specify a configuration file on the [command line](command-line-interface).
+
+There are several pieces of information that can be configured:
+
+* **Environments** - which environments your script is designed to run in. Each environment brings with it a certain set of predefined global variables.
+* **Globals** - the additional global variables your script accesses during execution.
+* **Rules** - which rules are enabled and at what error level.
+
+All of these options give you fine-grained control over how ESLint treats your code.
+
+## Specifying Parser Options
+
+ESLint allows you to specify the JavaScript language options you want to support. By default, ESLint expects ECMAScript 5 syntax. You can override that setting to enable support for other ECMAScript versions as well as JSX by using parser options.
+
+Please note that supporting JSX syntax is not the same as supporting React. React applies specific semantics to JSX syntax that ESLint doesn't recognize. We recommend using [eslint-plugin-react](https://github.com/yannickcr/eslint-plugin-react) if you are using React and want React semantics.
+By the same token, supporting ES6 syntax is not the same as supporting new ES6 globals (e.g., new types such as
+`Set`).
+For ES6 syntax, use `{ "parserOptions": { "ecmaVersion": 6 } }`; for new ES6 global variables, use `{ "env":
+{ "es6": true } }`. `{ "env": { "es6": true } }` enables ES6 syntax automatically, but `{ "parserOptions": { "ecmaVersion": 6 } }` does not enable ES6 globals automatically.
+Parser options are set in your `.eslintrc.*` file by using the `parserOptions` property. The available options are:
+
+* `ecmaVersion` - set to 3, 5 (default), 6, 7, 8, 9, 10 or 11 to specify the version of ECMAScript syntax you want to use. You can also set to 2015 (same as 6), 2016 (same as 7), 2017 (same as 8), 2018 (same as 9), 2019 (same as 10) or 2020 (same as 11) to use the year-based naming.
+* `sourceType` - set to `"script"` (default) or `"module"` if your code is in ECMAScript modules.
+* `ecmaFeatures` - an object indicating which additional language features you'd like to use:
+    * `globalReturn` - allow `return` statements in the global scope
+    * `impliedStrict` - enable global [strict mode](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode) (if `ecmaVersion` is 5 or greater)
+    * `jsx` - enable [JSX](https://facebook.github.io/jsx/)
+
+Here's an example `.eslintrc.json` file:
+
+```json
+{
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module",
+        "ecmaFeatures": {
+            "jsx": true
+        }
+    },
+    "rules": {
+        "semi": "error"
+    }
+}
+```
+
+Setting parser options helps ESLint determine what is a parsing error. All language options are `false` by default.
+
+## Specifying Parser
+
+By default, ESLint uses [Espree](https://github.com/eslint/espree) as its parser. You can optionally specify that a different parser should be used in your configuration file so long as the parser meets the following requirements:
+
+1. It must be a Node module loadable from the config file where it appears. Usually, this means you should install the parser package separately using npm.
+1. It must conform to the [parser interface](/docs/developer-guide/working-with-custom-parsers.md).
+
+Note that even with these compatibilities, there are no guarantees that an external parser will work correctly with ESLint and ESLint will not fix bugs related to incompatibilities with other parsers.
+
+To indicate the npm module to use as your parser, specify it using the `parser` option in your `.eslintrc` file. For example, the following specifies to use Esprima instead of Espree:
+
+```json
+{
+    "parser": "esprima",
+    "rules": {
+        "semi": "error"
+    }
+}
+```
+
+The following parsers are compatible with ESLint:
+
+* [Esprima](https://www.npmjs.com/package/esprima)
+* [Babel-ESLint](https://www.npmjs.com/package/babel-eslint) - A wrapper around the [Babel](https://babeljs.io) parser that makes it compatible with ESLint.
+* [@typescript-eslint/parser](https://www.npmjs.com/package/@typescript-eslint/parser) - A parser that converts TypeScript into an ESTree-compatible form so it can be used in ESLint.
+
+Note when using a custom parser, the `parserOptions` configuration property is still required for ESLint to work properly with features not in ECMAScript 5 by default. Parsers are all passed `parserOptions` and may or may not use them to determine which features to enable.
+
+## Specifying Processor
+
+Plugins may provide processors. Processors can extract JavaScript code from another kind of files, then lets ESLint lint the JavaScript code. Or processors can convert JavaScript code in preprocessing for some purpose.
+
+To specify processors in a configuration file, use the `processor` key with the concatenated string of a plugin name and a processor name by a slash. For example, the following enables the processor `a-processor` that the plugin `a-plugin` provided:
+
+```json
+{
+    "plugins": ["a-plugin"],
+    "processor": "a-plugin/a-processor"
+}
+```
+
+To specify processors for a specific kind of files, use the combination of the `overrides` key and the `processor` key. For example, the following uses the processor `a-plugin/markdown` for `*.md` files.
+
+```json
+{
+    "plugins": ["a-plugin"],
+    "overrides": [
+        {
+            "files": ["*.md"],
+            "processor": "a-plugin/markdown"
+        }
+    ]
+}
+```
+
+Processors may make named code blocks such as `0.js` and `1.js`. ESLint handles such a named code block as a child file of the original file. You can specify additional configurations for named code blocks in the `overrides` section of the config. For example, the following disables `strict` rule for the named code blocks which end with `.js` in markdown files.
+
+```json
+{
+    "plugins": ["a-plugin"],
+    "overrides": [
+        {
+            "files": ["*.md"],
+            "processor": "a-plugin/markdown"
+        },
+        {
+            "files": ["**/*.md/*.js"],
+            "rules": {
+                "strict": "off"
+            }
+        }
+    ]
+}
+```
+
+ESLint checks the file path of named code blocks then ignores those if any `overrides` entry didn't match the file path. Be sure to make `overrides` entry if you wanted to lint named code blocks other than `*.js`.
+
+## Specifying Environments
+
+An environment defines global variables that are predefined. The available environments are:
+
+* `browser` - browser global variables.
+* `node` - Node.js global variables and Node.js scoping.
+* `commonjs` - CommonJS global variables and CommonJS scoping (use this for browser-only code that uses Browserify/WebPack).
+* `shared-node-browser` - Globals common to both Node.js and Browser.
+* `es6` - enable all ECMAScript 6 features except for modules (this automatically sets the `ecmaVersion` parser option to 6).
+* `es2017` - adds all ECMAScript 2017 globals and automatically sets the `ecmaVersion` parser option to 8.
+* `es2020` - adds all ECMAScript 2020 globals and automatically sets the `ecmaVersion` parser option to 11.
+* `worker` - web workers global variables.
+* `amd` - defines `require()` and `define()` as global variables as per the [amd](https://github.com/amdjs/amdjs-api/wiki/AMD) spec.
+* `mocha` - adds all of the Mocha testing global variables.
+* `jasmine` - adds all of the Jasmine testing global variables for version 1.3 and 2.0.
+* `jest` - Jest global variables.
+* `phantomjs` - PhantomJS global variables.
+* `protractor` - Protractor global variables.
+* `qunit` - QUnit global variables.
+* `jquery` - jQuery global variables.
+* `prototypejs` - Prototype.js global variables.
+* `shelljs` - ShellJS global variables.
+* `meteor` - Meteor global variables.
+* `mongo` - MongoDB global variables.
+* `applescript` - AppleScript global variables.
+* `nashorn` - Java 8 Nashorn global variables.
+* `serviceworker` - Service Worker global variables.
+* `atomtest` - Atom test helper globals.
+* `embertest` - Ember test helper globals.
+* `webextensions` - WebExtensions globals.
+* `greasemonkey` - GreaseMonkey globals.
+
+These environments are not mutually exclusive, so you can define more than one at a time.
+
+Environments can be specified inside of a file, in configuration files or using the `--env` [command line](command-line-interface) flag.
+
+To specify environments using a comment inside of your JavaScript file, use the following format:
+
+```js
+/* eslint-env node, mocha */
+```
+
+This enables Node.js and Mocha environments.
+
+To specify environments in a configuration file, use the `env` key and specify which environments you want to enable by setting each to `true`. For example, the following enables the browser and Node.js environments:
+
+```json
+{
+    "env": {
+        "browser": true,
+        "node": true
+    }
+}
+```
+
+Or in a `package.json` file
+
+```json
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "env": {
+            "browser": true,
+            "node": true
+        }
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  env:
+    browser: true
+    node: true
+```
+
+If you want to use an environment from a plugin, be sure to specify the plugin name in the `plugins` array and then use the unprefixed plugin name, followed by a slash, followed by the environment name. For example:
+
+```json
+{
+    "plugins": ["example"],
+    "env": {
+        "example/custom": true
+    }
+}
+```
+
+Or in a `package.json` file
+
+```json
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "plugins": ["example"],
+        "env": {
+            "example/custom": true
+        }
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  plugins:
+    - example
+  env:
+    example/custom: true
+```
+
+## Specifying Globals
+
+The [no-undef](../rules/no-undef.md) rule will warn on variables that are accessed but not defined within the same file. If you are using global variables inside of a file then it's worthwhile to define those globals so that ESLint will not warn about their usage. You can define global variables either using comments inside of a file or in the configuration file.
+
+To specify globals using a comment inside of your JavaScript file, use the following format:
+
+```js
+/* global var1, var2 */
+```
+
+This defines two global variables, `var1` and `var2`. If you want to optionally specify that these global variables can be written to (rather than only being read), then you can set each with a `"writable"` flag:
+
+```js
+/* global var1:writable, var2:writable */
+```
+
+To configure global variables inside of a configuration file, set the `globals` configuration property to an object containing keys named for each of the global variables you want to use. For each global variable key, set the corresponding value equal to `"writable"` to allow the variable to be overwritten or `"readonly"` to disallow overwriting. For example:
+
+```json
+{
+    "globals": {
+        "var1": "writable",
+        "var2": "readonly"
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  globals:
+    var1: writable
+    var2: readonly
+```
+
+These examples allow `var1` to be overwritten in your code, but disallow it for `var2`.
+
+Globals can be disabled with the string `"off"`. For example, in an environment where most ES2015 globals are available but `Promise` is unavailable, you might use this config:
+
+```json
+{
+    "env": {
+        "es6": true
+    },
+    "globals": {
+        "Promise": "off"
+    }
+}
+```
+
+For historical reasons, the boolean value `false` and the string value `"readable"` are equivalent to `"readonly"`. Similarly, the boolean value `true` and the string value `"writeable"` are equivalent to `"writable"`. However, the use of older values is deprecated.
+
+**Note:** Enable the [no-global-assign](../rules/no-global-assign.md) rule to disallow modifications to read-only global variables in your code.
+
+## Configuring Plugins
+
+ESLint supports the use of third-party plugins. Before using the plugin, you have to install it using npm.
+
+To configure plugins inside of a configuration file, use the `plugins` key, which contains a list of plugin names. The `eslint-plugin-` prefix can be omitted from the plugin name.
+
+```json
+{
+    "plugins": [
+        "plugin1",
+        "eslint-plugin-plugin2"
+    ]
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  plugins:
+    - plugin1
+    - eslint-plugin-plugin2
+```
+
+**Notes:**
+
+1. Plugins are resolved relative to the config file. In other words, ESLint will load the plugin as a user would obtain by running `require('eslint-plugin-pluginname')` in the config file.
+2. Plugins in the base configuration (loaded by `extends` setting) are relative to the derived config file. For example, if `./.eslintrc` has `extends: ["foo"]` and the `eslint-config-foo` has `plugins: ["bar"]`, ESLint finds the `eslint-plugin-bar` from `./node_modules/` (rather than `./node_modules/eslint-config-foo/node_modules/`) or ancestor directories. Thus every plugin in the config file and base configurations is resolved uniquely.
+
+### Naming Convention
+
+#### Include a Plugin
+
+The `eslint-plugin-` prefix can be omitted for non-scoped packages
+
+```js
+{
+    // ...
+    "plugins": [
+        "jquery", // means eslint-plugin-jquery
+    ]
+    // ...
+}
+```
+
+The same rule does apply to scoped packages:
+
+```js
+{
+    // ...
+    "plugins": [
+        "@jquery/jquery", // means @jquery/eslint-plugin-jquery
+        "@foobar" // means @foobar/eslint-plugin
+    ]
+    // ...
+}
+```
+
+#### Use a Plugin
+
+When using rules, environments or configs defined by plugins, they must be referenced following the convention:
+
+* `eslint-plugin-foo` → `foo/a-rule`
+* `@foo/eslint-plugin` → `@foo/a-config`
+* `@foo/eslint-plugin-bar` → `@foo/bar/a-environment`
+
+For example:
+
+```js
+{
+    // ...
+    "plugins": [
+        "jquery",   // eslint-plugin-jquery
+        "@foo/foo", // @foo/eslint-plugin-foo
+        "@bar"      // @bar/eslint-plugin
+    ],
+    "extends": [
+        "plugin:@foo/foo/recommended",
+        "plugin:@bar/recommended"
+    ],
+    "rules": {
+        "jquery/a-rule": "error",
+        "@foo/foo/some-rule": "error",
+        "@bar/another-rule": "error"
+    },
+    "env": {
+        "jquery/jquery": true,
+        "@foo/foo/env-foo": true,
+        "@bar/env-bar": true,
+    }
+    // ...
+}
+```
+
+## Configuring Rules
+
+ESLint comes with a large number of rules. You can modify which rules your project uses either using configuration comments or configuration files. To change a rule setting, you must set the rule ID equal to one of these values:
+
+* `"off"` or `0` - turn the rule off
+* `"warn"` or `1` - turn the rule on as a warning (doesn't affect exit code)
+* `"error"` or `2` - turn the rule on as an error (exit code is 1 when triggered)
+
+### Using Configuration Comments
+
+To configure rules inside of a file using configuration comments, use a comment in the following format:
+
+```js
+/* eslint eqeqeq: "off", curly: "error" */
+```
+
+In this example, [`eqeqeq`](../rules/eqeqeq) is turned off and [`curly`](../rules/curly) is turned on as an error. You can also use the numeric equivalent for the rule severity:
+
+```js
+/* eslint eqeqeq: 0, curly: 2 */
+```
+
+This example is the same as the last example, only it uses the numeric codes instead of the string values. The `eqeqeq` rule is off and the `curly` rule is set to be an error.
+
+If a rule has additional options, you can specify them using array literal syntax, such as:
+
+```js
+/* eslint quotes: ["error", "double"], curly: 2 */
+```
+
+This comment specifies the "double" option for the [`quotes`](../rules/quotes) rule. The first item in the array is always the rule severity (number or string).
+
+Configuration comments can include descriptions to explain why the comment is necessary. The description must occur after the configuration and is separated from the configuration by two or more consecutive `-` characters. For example:
+
+```js
+/* eslint eqeqeq: "off", curly: "error" -- Here's a description about why this configuration is necessary. */
+```
+
+```js
+/* eslint eqeqeq: "off", curly: "error"
+    --------
+    Here's a description about why this configuration is necessary. */
+```
+
+```js
+/* eslint eqeqeq: "off", curly: "error"
+ * --------
+ * This will not work due to the line above starting with a '*' character.
+ */
+```
+
+### Using Configuration Files
+
+To configure rules inside of a configuration file, use the `rules` key along with an error level and any options you want to use. For example:
+
+
+```json
+{
+    "rules": {
+        "eqeqeq": "off",
+        "curly": "error",
+        "quotes": ["error", "double"]
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+rules:
+  eqeqeq: off
+  curly: error
+  quotes:
+    - error
+    - double
+```
+
+To configure a rule which is defined within a plugin you have to prefix the rule ID with the plugin name and a `/`. For example:
+
+```json
+{
+    "plugins": [
+        "plugin1"
+    ],
+    "rules": {
+        "eqeqeq": "off",
+        "curly": "error",
+        "quotes": ["error", "double"],
+        "plugin1/rule1": "error"
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+plugins:
+  - plugin1
+rules:
+  eqeqeq: 0
+  curly: error
+  quotes:
+    - error
+    - "double"
+  plugin1/rule1: error
+```
+
+In these configuration files, the rule `plugin1/rule1` comes from the plugin named `plugin1`. You can also use this format with configuration comments, such as:
+
+```js
+/* eslint "plugin1/rule1": "error" */
+```
+
+**Note:** When specifying rules from plugins, make sure to omit `eslint-plugin-`. ESLint uses only the unprefixed name internally to locate rules.
+
+## Disabling Rules with Inline Comments
+
+To temporarily disable rule warnings in your file, use block comments in the following format:
+
+```js
+/* eslint-disable */
+
+alert('foo');
+
+/* eslint-enable */
+```
+
+You can also disable or enable warnings for specific rules:
+
+```js
+/* eslint-disable no-alert, no-console */
+
+alert('foo');
+console.log('bar');
+
+/* eslint-enable no-alert, no-console */
+```
+
+To disable rule warnings in an entire file, put a `/* eslint-disable */` block comment at the top of the file:
+
+```js
+/* eslint-disable */
+
+alert('foo');
+```
+
+You can also disable or enable specific rules for an entire file:
+
+```js
+/* eslint-disable no-alert */
+
+alert('foo');
+```
+
+To disable all rules on a specific line, use a line or block comment in one of the following formats:
+
+```js
+alert('foo'); // eslint-disable-line
+
+// eslint-disable-next-line
+alert('foo');
+
+/* eslint-disable-next-line */
+alert('foo');
+
+alert('foo'); /* eslint-disable-line */
+```
+
+To disable a specific rule on a specific line:
+
+```js
+alert('foo'); // eslint-disable-line no-alert
+
+// eslint-disable-next-line no-alert
+alert('foo');
+
+alert('foo'); /* eslint-disable-line no-alert */
+
+/* eslint-disable-next-line no-alert */
+alert('foo');
+```
+
+To disable multiple rules on a specific line:
+
+```js
+alert('foo'); // eslint-disable-line no-alert, quotes, semi
+
+// eslint-disable-next-line no-alert, quotes, semi
+alert('foo');
+
+alert('foo'); /* eslint-disable-line no-alert, quotes, semi */
+
+/* eslint-disable-next-line no-alert, quotes, semi */
+alert('foo');
+```
+
+All of the above methods also work for plugin rules. For example, to disable `eslint-plugin-example`'s `rule-name` rule, combine the plugin's name (`example`) and the rule's name (`rule-name`) into `example/rule-name`:
+
+```js
+foo(); // eslint-disable-line example/rule-name
+foo(); /* eslint-disable-line example/rule-name */
+```
+
+Configuration comments can include descriptions to explain why the comment is necessary. The description must occur after the configuration and is separated from the configuration by two or more consecutive `-` characters. For example:
+
+```js
+// eslint-disable-next-line no-console -- Here's a description about why this configuration is necessary.
+console.log('hello');
+```
+
+**Note:** Comments that disable warnings for a portion of a file tell ESLint not to report rule violations for the disabled code. ESLint still parses the entire file, however, so disabled code still needs to be syntactically valid JavaScript.
+
+
+### Disabling Rules Only for a Group of Files
+
+To disable rules inside of a configuration file for a group of files, use the `overrides` key along with a `files` key. For example:
+
+```json
+{
+  "rules": {...},
+  "overrides": [
+    {
+      "files": ["*-test.js","*.spec.js"],
+      "rules": {
+        "no-unused-expressions": "off"
+      }
+    }
+  ]
+}
+```
+
+## Configuring Inline Comment Behaviors
+
+### Disabling Inline Comments
+
+To disable all inline config comments, use `noInlineConfig` setting. For example:
+
+```json
+{
+  "rules": {...},
+  "noInlineConfig": true
+}
+```
+
+This setting is similar to [--no-inline-config](./command-line-interface.md#--no-inline-config) CLI option.
+
+### Report Unused `eslint-disable` Comments
+
+To report unused `eslint-disable` comments, use `reportUnusedDisableDirectives` setting. For example:
+
+```json
+{
+  "rules": {...},
+  "reportUnusedDisableDirectives": true
+}
+```
+
+This setting is similar to [--report-unused-disable-directives](./command-line-interface.md#--report-unused-disable-directives) CLI option, but doesn't fail linting (reports as `"warn"` severity).
+
+## Adding Shared Settings
+
+ESLint supports adding shared settings into configuration file. You can add `settings` object to ESLint configuration file and it will be supplied to every rule that will be executed. This may be useful if you are adding custom rules and want them to have access to the same information and be easily configurable.
+
+In JSON:
+
+```json
+{
+    "settings": {
+        "sharedData": "Hello"
+    }
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  settings:
+    sharedData: "Hello"
+```
+
+## Using Configuration Files
+
+There are two ways to use configuration files.
+
+The first way to use configuration files is via `.eslintrc.*` and `package.json` files. ESLint will automatically look for them in the directory of the file to be linted, and in successive parent directories all the way up to the root directory of the filesystem (unless `root: true` is specified). This option is useful when you want different configurations for different parts of a project or when you want others to be able to use ESLint directly without needing to remember to pass in the configuration file.
+
+The second is to save the file wherever you would like and pass its location to the CLI using the `-c` option, such as:
+
+    eslint -c myconfig.json myfiletotest.js
+
+If you are using one configuration file and want ESLint to ignore any `.eslintrc.*` files, make sure to use `--no-eslintrc` along with the `-c` flag.
+
+In each case, the settings in the configuration file override default settings.
+
+## Configuration File Formats
+
+ESLint supports configuration files in several formats:
+
+* **JavaScript** - use `.eslintrc.js` and export an object containing your configuration.
+* **JavaScript (ESM)** - use `.eslintrc.cjs` when running ESLint in JavaScript packages that specify `"type":"module"` in their `package.json`. Note that ESLint does not support ESM configuration at this time.
+* **YAML** - use `.eslintrc.yaml` or `.eslintrc.yml` to define the configuration structure.
+* **JSON** - use `.eslintrc.json` to define the configuration structure. ESLint's JSON files also allow JavaScript-style comments.
+* **Deprecated** - use `.eslintrc`, which can be either JSON or YAML.
+* **package.json** - create an `eslintConfig` property in your `package.json` file and define your configuration there.
+
+If there are multiple configuration files in the same directory, ESLint will only use one. The priority order is:
+
+1. `.eslintrc.js`
+1. `.eslintrc.cjs`
+1. `.eslintrc.yaml`
+1. `.eslintrc.yml`
+1. `.eslintrc.json`
+1. `.eslintrc`
+1. `package.json`
+
+## Configuration Cascading and Hierarchy
+
+When using `.eslintrc.*` and `package.json` files for configuration, you can take advantage of configuration cascading. For instance, suppose you have the following structure:
+
+```text
+your-project
+├── .eslintrc
+├── lib
+│ └── source.js
+└─┬ tests
+  ├── .eslintrc
+  └── test.js
+```
+
+The configuration cascade works by using the closest `.eslintrc` file to the file being linted as the highest priority, then any configuration files in the parent directory, and so on. When you run ESLint on this project, all files in `lib/` will use the `.eslintrc` file at the root of the project as their configuration. When ESLint traverses into the `tests/` directory, it will then use `your-project/tests/.eslintrc` in addition to `your-project/.eslintrc`. So `your-project/tests/test.js` is linted based on the combination of the two `.eslintrc` files in its directory hierarchy, with the closest one taking priority. In this way, you can have project-level ESLint settings and also have directory-specific overrides.
+
+In the same way, if there is a `package.json` file in the root directory with an `eslintConfig` field, the configuration it describes will apply to all subdirectories beneath it, but the configuration described by the `.eslintrc` file in the tests directory will override it where there are conflicting specifications.
+
+```text
+your-project
+├── package.json
+├── lib
+│ └── source.js
+└─┬ tests
+  ├── .eslintrc
+  └── test.js
+```
+
+If there is an `.eslintrc` and a `package.json` file found in the same directory, `.eslintrc` will take a priority and `package.json` file will not be used.
+
+By default, ESLint will look for configuration files in all parent folders up to the root directory. This can be useful if you want all of your projects to follow a certain convention, but can sometimes lead to unexpected results. To limit ESLint to a specific project, place `"root": true` inside the `eslintConfig` field of the `package.json` file or in the `.eslintrc.*` file at your project's root level.  ESLint will stop looking in parent folders once it finds a configuration with `"root": true`.
+
+```js
+{
+    "root": true
+}
+```
+
+And in YAML:
+
+```yaml
+---
+  root: true
+```
+
+For example, consider `projectA` which has `"root": true` set in the `.eslintrc` file in the `lib/` directory.  In this case, while linting `main.js`, the configurations within `lib/` will be used, but the `.eslintrc` file in `projectA/` will not.
+
+```text
+home
+└── user
+    └── projectA
+        ├── .eslintrc  <- Not used
+        └── lib
+            ├── .eslintrc  <- { "root": true }
+            └── main.js
+```
+
+The complete configuration hierarchy, from highest precedence to lowest precedence, is as follows:
+
+1. Inline configuration
+    1. `/*eslint-disable*/` and `/*eslint-enable*/`
+    1. `/*global*/`
+    1. `/*eslint*/`
+    1. `/*eslint-env*/`
+1. Command line options (or CLIEngine equivalents):
+    1. `--global`
+    1. `--rule`
+    1. `--env`
+    1. `-c`, `--config`
+1. Project-level configuration:
+    1. `.eslintrc.*` or `package.json` file in same directory as linted file
+    1. Continue searching for `.eslintrc` and `package.json` files in ancestor directories (parent has highest precedence, then grandparent, etc.), up to and including the root directory or until a config with `"root": true` is found.
+
+## Extending Configuration Files
+
+A configuration file can extend the set of enabled rules from base configurations.
+
+The `extends` property value is either:
+
+* a string that specifies a configuration (either a path to a config file, the name of a shareable config, `eslint:recommended`, or `eslint:all`)
+* an array of strings: each additional configuration extends the preceding configurations
+
+ESLint extends configurations recursively, so a base configuration can also have an `extends` property. Relative paths and shareable config names in an `extends` property are resolved from the location of the config file where they appear.
+
+The `rules` property can do any of the following to extend (or override) the set of rules:
+
+* enable additional rules
+* change an inherited rule's severity without changing its options:
+    * Base config: `"eqeqeq": ["error", "allow-null"]`
+    * Derived config: `"eqeqeq": "warn"`
+    * Resulting actual config: `"eqeqeq": ["warn", "allow-null"]`
+* override options for rules from base configurations:
+    * Base config: `"quotes": ["error", "single", "avoid-escape"]`
+    * Derived config: `"quotes": ["error", "single"]`
+    * Resulting actual config: `"quotes": ["error", "single"]`
+
+### Using `"eslint:recommended"`
+
+An `extends` property value `"eslint:recommended"` enables a subset of core rules that report common problems, which have a check mark (recommended) on the [rules page](../rules/). The recommended subset can change only at major versions of ESLint.
+
+If your configuration extends the recommended rules: after you upgrade to a newer major version of ESLint, review the reported problems before you use the `--fix` option on the [command line](./command-line-interface#fix), so you know if a new fixable recommended rule will make changes to the code.
+
+The `eslint --init` command can create a configuration so you can extend the recommended rules.
+
+Example of a configuration file in JavaScript format:
+
+```js
+module.exports = {
+    "extends": "eslint:recommended",
+    "rules": {
+        // enable additional rules
+        "indent": ["error", 4],
+        "linebreak-style": ["error", "unix"],
+        "quotes": ["error", "double"],
+        "semi": ["error", "always"],
+
+        // override default options for rules from base configurations
+        "comma-dangle": ["error", "always"],
+        "no-cond-assign": ["error", "always"],
+
+        // disable rules from base configurations
+        "no-console": "off",
+    }
+}
+```
+
+### Using a shareable configuration package
+
+A [sharable configuration](../developer-guide/shareable-configs) is an npm package that exports a configuration object. Make sure the package has been installed to a directory where ESLint can require it.
+
+The `extends` property value can omit the `eslint-config-` prefix of the package name.
+
+The `eslint --init` command can create a configuration so you can extend a popular style guide (for example, `eslint-config-standard`).
+
+Example of a configuration file in YAML format:
+
+```yaml
+extends: standard
+rules:
+  comma-dangle:
+    - error
+    - always
+  no-empty: warn
+```
+
+### Using the configuration from a plugin
+
+A [plugin](../developer-guide/working-with-plugins) is an npm package that usually exports rules. Some plugins also export one or more named [configurations](../developer-guide/working-with-plugins#configs-in-plugins). Make sure the package has been installed to a directory where ESLint can require it.
+
+The `plugins` [property value](#configuring-plugins) can omit the `eslint-plugin-` prefix of the package name.
+
+The `extends` property value can consist of:
+
+* `plugin:`
+* the package name (from which you can omit the prefix, for example, `react`)
+* `/`
+* the configuration name (for example, `recommended`)
+
+Example of a configuration file in JSON format:
+
+```json
+{
+    "plugins": [
+        "react"
+    ],
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended"
+    ],
+    "rules": {
+       "react/no-set-state": "off"
+    }
+}
+```
+
+### Using a configuration file
+
+The `extends` property value can be an absolute or relative path to a base [configuration file](#using-configuration-files). ESLint resolves a relative path to a base configuration file relative to the configuration file that uses it.
+
+Example of a configuration file in JSON format:
+
+```json
+{
+    "extends": [
+        "./node_modules/coding-standard/eslintDefaults.js",
+        "./node_modules/coding-standard/.eslintrc-es6",
+        "./node_modules/coding-standard/.eslintrc-jsx"
+    ],
+    "rules": {
+        "eqeqeq": "warn"
+    }
+}
+```
+
+### Using `"eslint:all"`
+
+The `extends` property value can be `"eslint:all"` to enable all core rules in the currently installed version of ESLint. The set of core rules can change at any minor or major version of ESLint.
+
+**Important:** This configuration is **not recommended for production use** because it changes with every minor and major version of ESLint. Use at your own risk.
+
+If you configure ESLint to automatically enable new rules when you upgrade, ESLint can report new problems when there are no changes to source code, therefore any newer minor version of ESLint can behave as if it has breaking changes.
+
+You might enable all core rules as a shortcut to explore rules and options while you decide on the configuration for a project, especially if you rarely override options or disable rules. The default options for rules are not endorsements by ESLint (for example, the default option for the `quotes` rule does not mean double quotes are better than single quotes).
+
+If your configuration extends all core rules: after you upgrade to a newer major or minor version of ESLint, review the reported problems before you use the `--fix` option on the [command line](./command-line-interface#fix), so you know if a new fixable rule will make changes to the code.
+
+Example of a configuration file in JavaScript format:
+
+```js
+module.exports = {
+    "extends": "eslint:all",
+    "rules": {
+        // override default options
+        "comma-dangle": ["error", "always"],
+        "indent": ["error", 2],
+        "no-cond-assign": ["error", "always"],
+
+        // disable now, but enable in the future
+        "one-var": "off", // ["error", "never"]
+
+        // disable
+        "init-declarations": "off",
+        "no-console": "off",
+        "no-inline-comments": "off",
+    }
+}
+```
+
+## Configuration Based on Glob Patterns
+
+<b>v4.1.0+.</b> Sometimes a more fine-controlled configuration is necessary, for example if the configuration for files within the same directory has to be different. Therefore you can provide configurations under the `overrides` key that will only apply to files that match specific glob patterns, using the same format you would pass on the command line (e.g., `app/**/*.test.js`).
+
+### How it works
+
+* The patterns are applied against the file path relative to the directory of the config file. For example, if your config file has the path `/Users/john/workspace/any-project/.eslintrc.js` and the file you want to lint has the path `/Users/john/workspace/any-project/lib/util.js`, then the pattern provided in `.eslintrc.js` will be executed against the relative path `lib/util.js`.
+* Glob pattern overrides have higher precedence than the regular configuration in the same config file. Multiple overrides within the same config are applied in order. That is, the last override block in a config file always has the highest precedence.
+* A glob specific configuration works almost the same as any other ESLint config. Override blocks can contain any configuration options that are valid in a regular config, with the exception of `root` and `ignorePatterns`.
+    * A glob specific configuration can have `extends` setting, but the `root` property in the extended configs is ignored. The `ignorePatterns` property in the extended configs is used only for the files the glob specific configuration matched.
+    * Nested `overrides` setting will be applied only if the glob patterns of both of the parent config and the child config matched. This is the same when the extended configs have `overrides` setting.
+* Multiple glob patterns can be provided within a single override block. A file must match at least one of the supplied patterns for the configuration to apply.
+* Override blocks can also specify patterns to exclude from matches. If a file matches any of the excluded patterns, the configuration won't apply.
+
+### Relative glob patterns
+
+```
+project-root
+├── app
+│   ├── lib
+│   │   ├── foo.js
+│   │   ├── fooSpec.js
+│   ├── components
+│   │   ├── bar.js
+│   │   ├── barSpec.js
+│   ├── .eslintrc.json
+├── server
+│   ├── server.js
+│   ├── serverSpec.js
+├── .eslintrc.json
+```
+
+The config in `app/.eslintrc.json` defines the glob pattern `**/*Spec.js`. This pattern is relative to the base directory of `app/.eslintrc.json`. So, this pattern would match `app/lib/fooSpec.js` and `app/components/barSpec.js` but **NOT** `server/serverSpec.js`. If you defined the same pattern in the `.eslintrc.json` file within in the `project-root` folder, it would match all three of the `*Spec` files.
+
+If a config is provided via the `--config` CLI option, the glob patterns in the config are relative to the current working directory rather than the base directory of the given config. For example, if `--config configs/.eslintrc.json` is present, the glob patterns in the config are relative to `.` rather than `./configs`.
+
+### Example configuration
+
+In your `.eslintrc.json`:
+
+```json
+{
+  "rules": {
+    "quotes": ["error", "double"]
+  },
+
+  "overrides": [
+    {
+      "files": ["bin/*.js", "lib/*.js"],
+      "excludedFiles": "*.test.js",
+      "rules": {
+        "quotes": ["error", "single"]
+      }
+    }
+  ]
+}
+```
+
+### Specifying Target Files to Lint
+
+If you specified directories with CLI (e.g., `eslint lib`), ESLint searches target files in the directory to lint. The target files are `*.js` or the files that match any of `overrides` entries (but exclude entries that are any of `files` end with `*`).
+
+If you specified the [`--ext`](./command-line-interface#ext) command line option along with directories, the target files are only the files that have specified file extensions regardless of `overrides` entries.
+
+## Comments in Configuration Files
+
+Both the JSON and YAML configuration file formats support comments (`package.json` files should not include them). You can use JavaScript-style comments or YAML-style comments in either type of file and ESLint will safely ignore them. This allows your configuration files to be more human-friendly. For example:
+
+```js
+{
+    "env": {
+        "browser": true
+    },
+    "rules": {
+        // Override our default settings just for this directory
+        "eqeqeq": "warn",
+        "strict": "off"
+    }
+}
+```
+
+## Ignoring Files and Directories
+
+### `ignorePatterns` in config files
+
+You can tell ESLint to ignore specific files and directories by `ignorePatterns` in your config files. Each value of `ignorePatterns` is the same pattern as each line of `.eslintignore` in the next section.
+
+```json
+{
+    "ignorePatterns": ["temp.js", "**/vendor/*.js"],
+    "rules": {
+        //...
+    }
+}
+```
+
+* The `ignorePatterns` property affects only the directory that the config file placed.
+* You cannot write `ignorePatterns` property under `overrides` property.
+* `.eslintignore` can override `ignorePatterns` property of config files.
+
+If a glob pattern starts with `/`, the pattern is relative to the base directory of the config file. For example, `/foo.js` in `lib/.eslintrc.json` matches to `lib/foo.js` but not `lib/subdir/foo.js`.
+
+If a config is provided via the `--config` CLI option, the ignore patterns that start with `/` in the config are relative to the current working directory rather than the base directory of the given config. For example, if `--config configs/.eslintrc.json` is present, the ignore patterns in the config are relative to `.` rather than `./configs`.
+
+### `.eslintignore`
+
+You can tell ESLint to ignore specific files and directories by creating an `.eslintignore` file in your project's root directory. The `.eslintignore` file is a plain text file where each line is a glob pattern indicating which paths should be omitted from linting. For example, the following will omit all JavaScript files:
+
+```text
+**/*.js
+```
+
+When ESLint is run, it looks in the current working directory to find an `.eslintignore` file before determining which files to lint. If this file is found, then those preferences are applied when traversing directories. Only one `.eslintignore` file can be used at a time, so `.eslintignore` files other than the one in the current working directory will not be used.
+
+Globs are matched using [node-ignore](https://github.com/kaelzhang/node-ignore), so a number of features are available:
+
+* Lines beginning with `#` are treated as comments and do not affect ignore patterns.
+* Paths are relative to the current working directory. This is also true of paths passed in via the `--ignore-pattern` [command](./command-line-interface.md#--ignore-pattern).
+* Lines preceded by `!` are negated patterns that re-include a pattern that was ignored by an earlier pattern.
+* Ignore patterns behave according to the `.gitignore` [specification](https://git-scm.com/docs/gitignore).
+
+Of particular note is that like `.gitignore` files, all paths used as patterns for both `.eslintignore` and `--ignore-pattern` must use forward slashes as their path separators.
+
+```text
+# Valid
+/root/src/*.js
+
+# Invalid
+\root\src\*.js
+```
+
+Please see `.gitignore`'s specification for further examples of valid syntax.
+
+In addition to any patterns in a `.eslintignore` file, ESLint ignores files in `/**/node_modules/*` by default. It can still be added using `!`.
+
+For example, placing the following `.eslintignore` file in the current working directory will not ignore `node_modules/*` and ignore anything in the `build/` directory except `build/index.js`:
+
+```text
+# node_modules/* is ignored by default, but can be added using !
+!node_modules/*
+
+# Ignore built files except build/index.js
+build/*
+!build/index.js
+```
+
+### Using an Alternate File
+
+If you'd prefer to use a different file than the `.eslintignore` in the current working directory, you can specify it on the command line using the `--ignore-path` option. For example, you can use `.jshintignore` file because it has the same format:
+
+    eslint --ignore-path .jshintignore file.js
+
+You can also use your `.gitignore` file:
+
+    eslint --ignore-path .gitignore file.js
+
+Any file that follows the standard ignore file format can be used. Keep in mind that specifying `--ignore-path` means that any existing `.eslintignore` file will not be used. Note that globbing rules in `.eslintignore` follow those of `.gitignore`.
+
+### Using eslintIgnore in package.json
+
+If an `.eslintignore` file is not found and an alternate file is not specified, ESLint will look in package.json for an `eslintIgnore` key to check for files to ignore.
+
+    {
+      "name": "mypackage",
+      "version": "0.0.1",
+      "eslintConfig": {
+          "env": {
+              "browser": true,
+              "node": true
+          }
+      },
+      "eslintIgnore": ["hello.js", "world.js"]
+    }
+
+### Ignored File Warnings
+
+When you pass directories to ESLint, files and directories are silently ignored. If you pass a specific file to ESLint, then you will see a warning indicating that the file was skipped. For example, suppose you have an `.eslintignore` file that looks like this:
+
+```text
+foo.js
+```
+
+And then you run:
+
+    eslint foo.js
+
+You'll see this warning:
+
+```text
+foo.js
+  0:0  warning  File ignored because of your .eslintignore file. Use --no-ignore to override.
+
+✖ 1 problem (0 errors, 1 warning)
+```
+
+This message occurs because ESLint is unsure if you wanted to actually lint the file or not. As the message indicates, you can use `--no-ignore` to omit using the ignore rules.
+
+## Personal Configuration File (deprecated)
+
+⚠️ **This feature has been deprecated**. This feature will be removed in the 8.0.0 release. If you want to continue to use personal configuration files, please use the [`--config` CLI option](https://eslint.org/docs/user-guide/command-line-interface#-c---config). For more information regarding this decision, please see [RFC 28](https://github.com/eslint/rfcs/pull/28) and [RFC 32](https://github.com/eslint/rfcs/pull/32).
+
+`~/` refers to [the home directory of the current user on your preferred operating system](https://nodejs.org/api/os.html#os_os_homedir). The personal configuration file being referred to here is `~/.eslintrc.*` file, which is currently handled differently than other configuration files.
+
+### How ESLint Finds Personal Configuration File
+
+If `eslint` could not find any configuration file in the project, `eslint` loads `~/.eslintrc.*` file.
+
+If `eslint` could find configuration files in the project, `eslint` ignores `~/.eslintrc.*` file even if it's in an ancestor directory of the project directory.
+
+### How Personal Configuration File Behaves
+
+`~/.eslintrc.*` files behave similarly to regular configuration files, with some exceptions:
+
+`~/.eslintrc.*` files load shareable configs and custom parsers from `~/node_modules/` – similarly to `require()` – in the user's home directory. Please note that it doesn't load global-installed packages.
+
+`~/.eslintrc.*` files load plugins from `$CWD/node_modules` by default in order to identify plugins uniquely. If you want to use plugins with `~/.eslintrc.*` files, plugins must be installed locally per project. Alternatively, you can use the [`--resolve-plugins-relative-to` CLI option](https://eslint.org/docs/user-guide/command-line-interface#--resolve-plugins-relative-to) to change the location from which ESLint loads plugins.
diff --git a/eslint/docs/user-guide/getting-started.md b/eslint/docs/user-guide/getting-started.md
new file mode 100644
index 0000000..8438d50
--- /dev/null
+++ b/eslint/docs/user-guide/getting-started.md
@@ -0,0 +1,78 @@
+# Getting Started with ESLint
+
+ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code, with the goal of making code more consistent and avoiding bugs. In many ways, it is similar to JSLint and JSHint with a few exceptions:
+
+* ESLint uses [Espree](https://github.com/eslint/espree) for JavaScript parsing.
+* ESLint uses an AST to evaluate patterns in code.
+* ESLint is completely pluggable, every single rule is a plugin and you can add more at runtime.
+
+## Installation and Usage
+
+Prerequisites: [Node.js](https://nodejs.org/en/) (`^10.12.0`, or `>=12.0.0`) built with SSL support. (If you are using an official Node.js distribution, SSL is always built in.)
+
+You can install ESLint using npm or yarn:
+
+```
+npm install eslint --save-dev
+
+# or
+
+yarn add eslint --dev
+```
+
+You should then set up a configuration file:
+
+```
+$ npx eslint --init
+```
+
+After that, you can run ESLint on any file or directory like this:
+
+```
+$ npx eslint yourfile.js
+```
+
+It is also possible to install ESLint globally rather than locally (using `npm install eslint --global`). However, this is not recommended, and any plugins or shareable configs that you use must be installed locally in either case.
+
+## Configuration
+
+**Note:** If you are coming from a version before 1.0.0 please see the [migration guide](migrating-to-1.0.0.md).
+
+After running `eslint --init`, you'll have a `.eslintrc.{js,yml,json}` file in your directory. In it, you'll see some rules configured like this:
+
+```json
+{
+    "rules": {
+        "semi": ["error", "always"],
+        "quotes": ["error", "double"]
+    }
+}
+```
+
+The names `"semi"` and `"quotes"` are the names of [rules](/docs/rules) in ESLint. The first value is the error level of the rule and can be one of these values:
+
+* `"off"` or `0` - turn the rule off
+* `"warn"` or `1` - turn the rule on as a warning (doesn't affect exit code)
+* `"error"` or `2` - turn the rule on as an error (exit code will be 1)
+
+The three error levels allow you fine-grained control over how ESLint applies rules (for more configuration options and details, see the [configuration docs](configuring.md)).
+
+Your `.eslintrc.{js,yml,json}` configuration file will also include the line:
+
+```json
+{
+    "extends": "eslint:recommended"
+}
+```
+
+Because of this line, all of the rules marked "(recommended)" on the [rules page](/docs/rules) will be turned on.  Alternatively, you can use configurations that others have created by searching for "eslint-config" on [npmjs.com](https://www.npmjs.com/search?q=eslint-config).  ESLint will not lint your code unless you extend from a shared configuration or explicitly turn rules on in your configuration.
+
+---
+
+## Next Steps
+
+* Learn about [advanced configuration](configuring.md) of ESLint.
+* Get familiar with the [command line options](command-line-interface.md).
+* Explore [ESLint integrations](integrations.md) into other tools like editors, build systems, and more.
+* Can't find just the right rule?  Make your own [custom rule](/docs/developer-guide/working-with-rules.md).
+* Make ESLint even better by [contributing](/docs/developer-guide/contributing/).
diff --git a/eslint/docs/user-guide/integrations.md b/eslint/docs/user-guide/integrations.md
new file mode 100644
index 0000000..83c619a
--- /dev/null
+++ b/eslint/docs/user-guide/integrations.md
@@ -0,0 +1,63 @@
+# Integrations
+
+## Editors
+
+* Sublime Text 3:
+    * [SublimeLinter-eslint](https://github.com/roadhump/SublimeLinter-eslint)
+    * [Build Next](https://github.com/albertosantini/sublimetext-buildnext)
+* Vim:
+    * [ALE](https://github.com/w0rp/ale)
+    * [Syntastic](https://github.com/vim-syntastic/syntastic/tree/master/syntax_checkers/javascript)
+* Emacs: [Flycheck](http://www.flycheck.org/) supports ESLint with the [javascript-eslint](http://www.flycheck.org/en/latest/languages.html#javascript) checker.
+* Eclipse Orion: ESLint is the [default linter](https://dev.eclipse.org/mhonarc/lists/orion-dev/msg02718.html)
+* Eclipse IDE: [Tern ESLint linter](https://github.com/angelozerr/tern.java/wiki/Tern-Linter-ESLint)
+* TextMate 2:
+    * [eslint.tmbundle](https://github.com/ryanfitzer/eslint.tmbundle)
+    * [javascript-eslint.tmbundle](https://github.com/natesilva/javascript-eslint.tmbundle)
+* Atom: [linter-eslint](https://atom.io/packages/linter-eslint)
+* IntelliJ IDEA, RubyMine, WebStorm, PhpStorm, PyCharm, AppCode, Android Studio, 0xDBE: [ESLint Plugin](https://plugins.jetbrains.com/plugin/7494-eslint)
+* Visual Studio Code: [ESLint Extension](https://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint)
+* Brackets: Included and [Brackets ESLint](https://github.com/brackets-userland/brackets-eslint)
+
+## Build tools
+
+* Grunt: [grunt-eslint](https://www.npmjs.com/package/grunt-eslint)
+* Gulp: [gulp-eslint](https://www.npmjs.com/package/gulp-eslint)
+* Mimosa: [mimosa-eslint](https://www.npmjs.com/package/mimosa-eslint)
+* Broccoli: [broccoli-eslint](https://www.npmjs.com/package/broccoli-eslint)
+* Browserify: [eslintify](https://www.npmjs.com/package/eslintify)
+* Webpack: [eslint-loader](https://www.npmjs.com/package/eslint-loader)
+* Rollup: [rollup-plugin-eslint](https://www.npmjs.com/package/rollup-plugin-eslint)
+* Ember-cli: [ember-cli-eslint](https://www.npmjs.com/package/ember-cli-eslint)
+* Sails.js: [sails-hook-lint](https://www.npmjs.com/package/sails-hook-lint), [sails-eslint](https://www.npmjs.com/package/sails-eslint)
+* Start: [@start/plugin-lib-eslint](https://www.npmjs.com/package/@start/plugin-lib-eslint)
+* Brunch: [eslint-brunch](https://www.npmjs.com/package/eslint-brunch)
+
+## Command Line Tools
+
+* [ESLint Watch](https://www.npmjs.com/package/eslint-watch)
+* [Code Climate CLI](https://github.com/codeclimate/codeclimate)
+* [ESLint Nibble](https://github.com/IanVS/eslint-nibble)
+
+## Source Control
+
+* [Git Precommit Hook](https://coderwall.com/p/zq8jlq/eslint-pre-commit-hook)
+* [Git pre-commit hook that only lints staged changes](https://gist.github.com/dahjelle/8ddedf0aebd488208a9a7c829f19b9e8)
+* [overcommit Git hook manager](https://github.com/brigade/overcommit)
+
+## Testing
+
+* Mocha.js: [mocha-eslint](https://www.npmjs.com/package/mocha-eslint)
+
+## External ESLint rules
+
+* [AngularJS](https://github.com/Gillespie59/eslint-plugin-angular)
+* [BackboneJS](https://github.com/ilyavolodin/eslint-plugin-backbone)
+* [Jasmine](https://github.com/tlvince/eslint-plugin-jasmine)
+* [React](https://github.com/yannickcr/eslint-plugin-react)
+
+… and many more published on npm with the [eslintplugin](https://www.npmjs.com/browse/keyword/eslintplugin) keyword.
+
+## Other Integration Lists
+
+You can find a curated list of other popular integrations for ESLint in the [awesome-eslint](https://github.com/dustinspecker/awesome-eslint) GitHub repository.
diff --git a/eslint/docs/user-guide/migrating-from-jscs.md b/eslint/docs/user-guide/migrating-from-jscs.md
new file mode 100644
index 0000000..c5ac5f2
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-from-jscs.md
@@ -0,0 +1,171 @@
+# Migrating from JSCS
+
+In April 2016, we [announced](https://eslint.org/blog/2016/04/welcoming-jscs-to-eslint) that the JSCS project was shutting down and the JSCS team would be joining the ESLint team. This guide is intended to help those who are using JSCS to migrate their settings and projects to use ESLint. We've tried to automate as much of the conversion as possible, but there are some manual changes that are needed.
+
+## Terminology
+
+Before beginning the process of migrating to ESLint, it's helpful to understand some of the terminology that ESLint uses and how it relates to terminology that JSCS uses.
+
+* **Configuration File** - In JSCS, the configuration file is `.jscsrc`, `.jscsrc.json`, `.jscsrc.yaml`, or `.jscsrs.js`. In ESLint, the configuration file can be `.eslintrc.json`, `.eslintrc.yml`, `.eslintrc.yaml`, or `.eslintrc.js` (there is also a deprecated `.eslintrc` file format).
+* **Presets** - In JSCS, there were numerous predefined configurations shipped directly within JSCS. ESLint ships with just one predefined configuration (`eslint:recommended`) that has no style rules enabled. However, ESLint does support [shareable configs](https://eslint.org/docs/developer-guide/shareable-configs). Shareable configs are configurations that are published on their own to npm and there are shareable configs available for almost all of the JSCS presets (see the "Converting Presets" section below). Additionally, the "preset" option in a configuration file is the equivalent of the ESLint "extends" option.
+
+## Convert Configuration Files Using Polyjuice
+
+[Polyjuice](https://github.com/brenolf/polyjuice) is a utility for converting JSCS (and JSHint) configuration files into ESLint configuration files automatically. It understands the equivalent rules from each utility and will automatically output an ESLint configuration file that is a good approximation of your existing JSCS file.
+
+To install Polyjuice:
+
+```
+$ npm install -g polyjuice
+```
+
+Polyjuice works with JSON configuration files, so if you're using a JavaScript or YAML JSCS configuration file, you should first convert it into a JSON configuration file.
+
+To convert your configuration file, pass in the location of your `.jscs.json` file using the `--jscs` flag:
+
+```
+$ polyjuice --jscs .jscsrc.json > .eslintrc.json
+```
+
+This creates a `.eslintrc.json` with the equivalent rules from `.jscsrc.json`.
+
+If you have multiple `.jscsrc.json` files, you can pass them all and Polyjuice will combine them into one `.eslintrc.json` file:
+
+```
+$ polyjuice --jscs .jscsrc.json ./foo/.jscsrc.json > .eslintrc.json
+```
+
+**Note:** Polyjuice does a good job of creating a reasonable ESLint configuration from your JSCS configuration, but it may not be 100%. You may still see different warnings than you saw with JSCS, and so you may need to further modify your configuration after using Polyjuice. This is especially true if you're using inline comments to enable/disable certain rules in JSCS (you'll need to manually convert those to use ESLint-style comments instead, see "Disabling Rules Inline" later in this page).
+
+### Creating a New Configuration From Scratch
+
+If you don't want to convert your JSCS configuration directly into an ESLint configuration, then you can use ESLint's built-in wizard to get you started. Just run:
+
+```
+$ eslint --init
+```
+
+You'll be guided through a series of questions that will help you setup a basic configuration file to get you started.
+
+## Converting Presets
+
+There are shareable configs available for most JSCS presets. The equivalent shareable configs for each JSCS preset are listed in the following table:
+
+| **JSCS Preset** | **ESLint Shareable Config** |
+|-----------------|-----------------------------|
+| `airbnb`        | [`eslint-config-airbnb-base`](https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb-base) |
+| `crockford`        | (not available) |
+| `google`        | [`eslint-config-google`](https://github.com/google/eslint-config-google) |
+| `grunt`        | [`eslint-config-grunt`](https://github.com/markelog/eslint-config-grunt) |
+| `idiomatic`        | [`eslint-config-idiomatic`](https://github.com/jamespamplin/eslint-config-idiomatic) |
+| `jquery`        | [`eslint-config-jquery`](https://github.com/jquery/eslint-config-jquery) |
+| `mdcs`        | [`eslint-config-mdcs`](https://github.com/zz85/mrdoobapproves) |
+| `node-style-guide`        | [`eslint-config-node-style-guide`](https://github.com/pdehaan/eslint-config-node-style-guide) |
+| `wikimedia`        | [`eslint-config-wikimedia`](https://github.com/wikimedia/eslint-config-wikimedia) |
+| `wordpress`        | [`eslint-config-wordpress`](https://github.com/WordPress-Coding-Standards/eslint-config-wordpress) |
+
+As an example, suppose that you are using the `airbnb` preset, so your `.jscsrc` file looks like this:
+
+```json
+{
+    "preset": "airbnb"
+}
+```
+
+In order to get the same functionality in ESLint, you would first need to install the `eslint-config-airbnb` shareable config package:
+
+```
+$ npm install eslint-config-airbnb-base --save-dev
+```
+
+And then you would modify your configuration file like this:
+
+```json
+{
+    "extends": "airbnb-base"
+}
+```
+
+ESLint sees `"airbnb-base"` and will look for `eslint-config-airbnb-base` (to save you some typing).
+
+## Disabling Rules Inline
+
+Both JSCS and ESLint use comments inside of files to disable rules around certain parts of your code. The following table lists out the JSCS inline configuration comments and their ESLint equivalents.
+
+| **Description** | **JSCS Comment** | **ESLint Comment** |
+|-----------------|------------------|--------------------|
+| Disable all rules | `// jscs:disable` or `/* jscs:disable */` | `/* eslint-disable */` |
+| Enable all rules | `// jscs:enable` or `/* jscs:enable */` | `/* eslint-enable */` |
+| Disable one rule | `// jscs:disable ruleName` or `/* jscs:disable ruleName */` | `/* eslint-disable rule-name */` |
+| Enable one rule | `// jscs:enable ruleName` or `/* jscs:enable ruleName */` | `/* eslint-enable rule-name */` |
+| Disable multiple rules | `// jscs:disable ruleName1, ruleName2` or `/* jscs:disable ruleName1, ruleName2 */` | `/* eslint-disable rule-name1, rule-name2 */` |
+| Enable multiple rules | `// jscs:enable ruleName1, ruleName2` or `/* jscs:enable ruleName1, ruleName2 */` | `/* eslint-enable rule-name1, rule-name2 */` |
+| Disable one rule on single line | `// jscs:ignore ruleName` | `// eslint-disable-line rule-name` |
+
+## Command Line Options
+
+Both JSCS and ESLint have command line arguments corresponding to many of their configuration options. The following are the ESLint equivalents of JSCS command line options.
+
+### `--fix`
+
+JSCS uses the `--fix` option to apply automatic fixes to code:
+
+```
+$ jscs --fix file.js
+```
+
+ESLint has the same option:
+
+```
+$ eslint --fix file.js
+```
+
+### `--auto-configure`
+
+The JSCS `--auto-configure` option created a configuration based on what it found in a given file:
+
+```
+$ jscs --auto-configure file.js
+```
+
+In ESLint, there's a similar option when you use `--init`. Just select "Inspect your JavaScript file(s)":
+
+```
+$ eslint --init
+? How would you like to configure ESLint? (Use arrow keys)
+> Answer questions about your style
+  Use a popular style guide
+  Inspect your JavaScript file(s)
+```
+
+## `--config`, `-c`
+
+JSCS allows you to specify a configuration file to use on the command line using either `--config` or `-c`, such as:
+
+```
+$ jscs --config myconfig.json file.js
+$ jscs -c myconfig.json file.js
+```
+
+Both flags are also supported by ESLint:
+
+```
+$ eslint --config myconfig.json file.js
+$ eslint -c myconfig.json file.js
+```
+
+
+
+## Piping Code Into ESLint
+
+In JSCS, you can pipe code in like this:
+
+```
+$ cat file.js | jscs
+```
+
+In ESLint, you can also pipe in code, but you need to use the `--stdin` flag:
+
+```
+$ cat file.js | eslint --stdin
+```
diff --git a/eslint/docs/user-guide/migrating-to-1.0.0.md b/eslint/docs/user-guide/migrating-to-1.0.0.md
new file mode 100644
index 0000000..637e305
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-1.0.0.md
@@ -0,0 +1,209 @@
+# Migrating to v1.0.0
+
+ESLint v1.0.0 is the first major version release. As a result, there are some significant changes between how ESLint worked during its life in 0.x and how it will work going forward. These changes are the direct result of feedback from the ESLint community of users and were not made without due consideration for the upgrade path. We believe that these changes make ESLint even better, and while some work is necessary to upgrade, we hope the pain of this upgrade is small enough that you will see the benefit of upgrading.
+
+## All Rules Off by Default
+
+The most important difference in v1.0.0 is that all rules are off by default. We made this change after numerous requests to allow turning off the default rules from within configuration files. While that wasn't technically feasible, it was feasible to have all rules off by default and then re-enable rules in configuration files using `extends`. As such, we've made the `--reset` behavior the default and removed this command line option.
+
+When using `--init`, your configuration file will automatically include the following line:
+
+```json
+{
+    "extends": "eslint:recommended"
+}
+```
+
+This setting mimics some of the default behavior from 0.x, but not all. If you don't want to use any of the recommended rules, you can delete this line.
+
+**To address:** If you are currently using `--reset`, then you should stop passing `--reset` on the command line; no other changes are necessary. If you are not using `--reset`, then you should review your configuration to determine which rules should be on by default. You can partially restore some of the default behavior by adding the following to your configuration file:
+
+The `"eslint:recommended"` configuration contains many of the same default rule settings from 0.x, but not all. These rules are no longer on by default, so you should review your settings to ensure they are still as you expect:
+
+* [no-alert](https://eslint.org/docs/rules/no-alert)
+* [no-array-constructor](https://eslint.org/docs/rules/no-array-constructor)
+* [no-caller](https://eslint.org/docs/rules/no-caller)
+* [no-catch-shadow](https://eslint.org/docs/rules/no-catch-shadow)
+* [no-empty-label](https://eslint.org/docs/rules/no-empty-label)
+* [no-eval](https://eslint.org/docs/rules/no-eval)
+* [no-extend-native](https://eslint.org/docs/rules/no-extend-native)
+* [no-extra-bind](https://eslint.org/docs/rules/no-extra-bind)
+* [no-extra-strict](https://eslint.org/docs/rules/no-extra-strict)
+* [no-implied-eval](https://eslint.org/docs/rules/no-implied-eval)
+* [no-iterator](https://eslint.org/docs/rules/no-iterator)
+* [no-label-var](https://eslint.org/docs/rules/no-label-var)
+* [no-labels](https://eslint.org/docs/rules/no-labels)
+* [no-lone-blocks](https://eslint.org/docs/rules/no-lone-blocks)
+* [no-loop-func](https://eslint.org/docs/rules/no-loop-func)
+* [no-multi-spaces](https://eslint.org/docs/rules/no-multi-spaces)
+* [no-multi-str](https://eslint.org/docs/rules/no-multi-str)
+* [no-native-reassign](https://eslint.org/docs/rules/no-native-reassign)
+* [no-new](https://eslint.org/docs/rules/no-new)
+* [no-new-func](https://eslint.org/docs/rules/no-new-func)
+* [no-new-object](https://eslint.org/docs/rules/no-new-object)
+* [no-new-wrappers](https://eslint.org/docs/rules/no-new-wrappers)
+* [no-octal-escape](https://eslint.org/docs/rules/no-octal-escape)
+* [no-process-exit](https://eslint.org/docs/rules/no-process-exit)
+* [no-proto](https://eslint.org/docs/rules/no-proto)
+* [no-return-assign](https://eslint.org/docs/rules/no-return-assign)
+* [no-script-url](https://eslint.org/docs/rules/no-script-url)
+* [no-sequences](https://eslint.org/docs/rules/no-sequences)
+* [no-shadow](https://eslint.org/docs/rules/no-shadow)
+* [no-shadow-restricted-names](https://eslint.org/docs/rules/no-shadow-restricted-names)
+* [no-spaced-func](https://eslint.org/docs/rules/no-spaced-func)
+* [no-trailing-spaces](https://eslint.org/docs/rules/no-trailing-spaces)
+* [no-undef-init](https://eslint.org/docs/rules/no-undef-init)
+* [no-underscore-dangle](https://eslint.org/docs/rules/no-underscore-dangle)
+* [no-unused-expressions](https://eslint.org/docs/rules/no-unused-expressions)
+* [no-use-before-define](https://eslint.org/docs/rules/no-use-before-define)
+* [no-with](https://eslint.org/docs/rules/no-with)
+* [no-wrap-func](https://eslint.org/docs/rules/no-wrap-func)
+* [camelcase](https://eslint.org/docs/rules/camelcase)
+* [comma-spacing](https://eslint.org/docs/rules/comma-spacing)
+* [consistent-return](https://eslint.org/docs/rules/consistent-return)
+* [curly](https://eslint.org/docs/rules/curly)
+* [dot-notation](https://eslint.org/docs/rules/dot-notation)
+* [eol-last](https://eslint.org/docs/rules/eol-last)
+* [eqeqeq](https://eslint.org/docs/rules/eqeqeq)
+* [key-spacing](https://eslint.org/docs/rules/key-spacing)
+* [new-cap](https://eslint.org/docs/rules/new-cap)
+* [new-parens](https://eslint.org/docs/rules/new-parens)
+* [quotes](https://eslint.org/docs/rules/quotes)
+* [semi](https://eslint.org/docs/rules/semi)
+* [semi-spacing](https://eslint.org/docs/rules/semi-spacing)
+* [space-infix-ops](https://eslint.org/docs/rules/space-infix-ops)
+* [space-return-throw-case](https://eslint.org/docs/rules/space-return-throw-case)
+* [space-unary-ops](https://eslint.org/docs/rules/space-unary-ops)
+* [strict](https://eslint.org/docs/rules/strict)
+* [yoda](https://eslint.org/docs/rules/yoda)
+
+See also: the [full diff](https://github.com/eslint/eslint/commit/e3e9dbd9876daf4bdeb4e15f8a76a9d5e6e03e39#diff-b01a5cfd9361ca9280a460fd6bb8edbbL1) where the defaults were changed.
+
+Here's a configuration file with the closest equivalent of the old defaults:
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "no-alert": 2,
+        "no-array-constructor": 2,
+        "no-caller": 2,
+        "no-catch-shadow": 2,
+        "no-empty-label": 2,
+        "no-eval": 2,
+        "no-extend-native": 2,
+        "no-extra-bind": 2,
+        "no-implied-eval": 2,
+        "no-iterator": 2,
+        "no-label-var": 2,
+        "no-labels": 2,
+        "no-lone-blocks": 2,
+        "no-loop-func": 2,
+        "no-multi-spaces": 2,
+        "no-multi-str": 2,
+        "no-native-reassign": 2,
+        "no-new": 2,
+        "no-new-func": 2,
+        "no-new-object": 2,
+        "no-new-wrappers": 2,
+        "no-octal-escape": 2,
+        "no-process-exit": 2,
+        "no-proto": 2,
+        "no-return-assign": 2,
+        "no-script-url": 2,
+        "no-sequences": 2,
+        "no-shadow": 2,
+        "no-shadow-restricted-names": 2,
+        "no-spaced-func": 2,
+        "no-trailing-spaces": 2,
+        "no-undef-init": 2,
+        "no-underscore-dangle": 2,
+        "no-unused-expressions": 2,
+        "no-use-before-define": 2,
+        "no-with": 2,
+        "camelcase": 2,
+        "comma-spacing": 2,
+        "consistent-return": 2,
+        "curly": [2, "all"],
+        "dot-notation": [2, { "allowKeywords": true }],
+        "eol-last": 2,
+        "no-extra-parens": [2, "functions"],
+        "eqeqeq": 2,
+        "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
+        "new-cap": 2,
+        "new-parens": 2,
+        "quotes": [2, "double"],
+        "semi": 2,
+        "semi-spacing": [2, {"before": false, "after": true}],
+        "space-infix-ops": 2,
+        "space-return-throw-case": 2,
+        "space-unary-ops": [2, { "words": true, "nonwords": false }],
+        "strict": [2, "function"],
+        "yoda": [2, "never"]
+    }
+}
+```
+
+## Removed Rules
+
+Over the past several releases, we have been deprecating rules and introducing new rules to take their place. The following is a list of the removed rules and their replacements:
+
+* [generator-star](https://eslint.org/docs/rules/generator-star) is replaced by [generator-star-spacing](https://eslint.org/docs/rules/generator-star-spacing)
+* [global-strict](https://eslint.org/docs/rules/global-strict) is replaced by [strict](https://eslint.org/docs/rules/strict)
+* [no-comma-dangle](https://eslint.org/docs/rules/no-comma-dangle) is replaced by [comma-dangle](https://eslint.org/docs/rules/comma-dangle)
+* [no-empty-class](https://eslint.org/docs/rules/no-empty-class) is replaced by [no-empty-character-class](https://eslint.org/docs/rules/no-empty-character-class)
+* [no-extra-strict](https://eslint.org/docs/rules/no-extra-strict) is replaced by [strict](https://eslint.org/docs/rules/strict)
+* [no-reserved-keys](https://eslint.org/docs/rules/no-reserved-keys) is replaced by [quote-props](https://eslint.org/docs/rules/quote-props)
+* [no-space-before-semi](https://eslint.org/docs/rules/no-space-before-semi) is replaced by [semi-spacing](https://eslint.org/docs/rules/semi-spacing)
+* [no-wrap-func](https://eslint.org/docs/rules/no-wrap-func) is replaced by [no-extra-parens](https://eslint.org/docs/rules/no-extra-parens)
+* [space-after-function-name](https://eslint.org/docs/rules/space-after-function-name) is replaced by [space-before-function-paren](https://eslint.org/docs/rules/space-before-function-paren)
+* [space-before-function-parentheses](https://eslint.org/docs/rules/space-before-function-parentheses) is replaced by [space-before-function-paren](https://eslint.org/docs/rules/space-before-function-paren)
+* [space-in-brackets](https://eslint.org/docs/rules/space-in-brackets) is replaced by[object-curly-spacing](https://eslint.org/docs/rules/object-curly-spacing) and [array-bracket-spacing](https://eslint.org/docs/rules/array-bracket-spacing)
+* [space-unary-word-ops](https://eslint.org/docs/rules/space-unary-word-ops) is replaced by [space-unary-ops](https://eslint.org/docs/rules/space-unary-ops)
+* [spaced-line-comment](https://eslint.org/docs/rules/spaced-line-comment) is replaced by [spaced-comment](https://eslint.org/docs/rules/spaced-comment)
+
+**To address:** You'll need to update your rule configurations to use the new rules. ESLint v1.0.0 will also warn you when you're using a rule that has been removed and will suggest the replacement rules. Hopefully, this will result in few surprises during the upgrade process.
+
+## Column Numbers are 1-based
+
+From the beginning, ESLint has reported errors using 0-based columns because that's what Esprima, and later Espree, reported. However, most tools and editors use 1-based columns, which made for some tricky integrations with ESLint. In v1.0.0, we've switched over to reporting errors using 1-based columns to fall into line with the tools developers use everyday.
+
+**To address:** If you've created an editor integration, or a tool that had to correct the column number, you'll need to update to just pass through the column number from ESLint. Otherwise, no change is necessary.
+
+## No Longer Exporting cli
+
+In 0.x, the `cli` object was exported for use by external tools. It was later deprecated in favor of `CLIEngine`. In v1.0.0, we are no longer exporting `cli` as it should not be used by external tools. This will break existing tools that make use of it.
+
+**To address:** If you are using the exported `cli` object, switch to using `CLIEngine` instead.
+
+## Deprecating eslint-tester
+
+The `eslint-tester` module, which has long been the primary tester for ESLint rules, has now been moved into the `eslint` module. This was the result of a difficult relationship between these two modules that created circular dependencies and was causing a lot of problems in rule tests. Moving the tester into the `eslint` module fixed a lot of those issues.
+
+The replacement for `eslint-tester` is called `RuleTester`. It's a simplified version of `ESLintTester` that's designed to work with any testing framework. This object is exposed by the package.
+
+**To address:** Convert all of your rule tests to use `RuleTester`. If you have this as a test using `ESLintTester`:
+
+```js
+var eslint = require("../../../lib/eslint"),
+    ESLintTester = require("eslint-tester");
+
+var eslintTester = new ESLintTester(eslint);
+eslintTester.addRuleTest("lib/rules/your-rule", {
+    valid: [],
+    invalid: []
+});
+```
+
+Then you can change to:
+
+```js
+var rule = require("../../../lib/rules/your-rule"),
+    RuleTester = require("eslint").RuleTester;
+
+var ruleTester = new RuleTester();
+ruleTester.run("your-rule", rule, {
+    valid: [],
+    invalid: []
+});
+```
diff --git a/eslint/docs/user-guide/migrating-to-2.0.0.md b/eslint/docs/user-guide/migrating-to-2.0.0.md
new file mode 100644
index 0000000..95a3a17
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-2.0.0.md
@@ -0,0 +1,356 @@
+# Migrating to v2.0.0
+
+ESLint v2.0.0 is the second major version release. As a result, there are some significant changes between how ESLint worked during its life in 0.x and 1.x and how it will work going forward. These changes are the direct result of feedback from the ESLint community of users and were not made without due consideration for the upgrade path. We believe that these changes make ESLint even better, and while some work is necessary to upgrade, we hope the pain of this upgrade is small enough that you will see the benefit of upgrading.
+
+**Important:** If you are upgrading from 0.x, please refer to [Migrating to 1.0.0](./migrating-to-1.0.0) as your starting point.
+
+## Rule Schema Changes
+
+Due to a quirk in the way rule schemas worked, it was possible that you'd need to account for the rule severity (0, 1, or 2) in a rule schema if the options were sufficiently complex. That would result in a schema such as:
+
+```js
+module.exports = {
+    "type": "array",
+    "items": [
+        {
+            "enum": [0, 1, 2]
+        },
+        {
+            "enum": ["always", "never"]
+        }
+    ],
+    "minItems": 1,
+    "maxItems": 2
+};
+```
+
+This was confusing to rule developers as it seemed that rules shouldn't be in charge of validating their own severity. In 2.0.0, rules no longer need to check their own severity.
+
+**To address:** If you are exporting a rule schema that checks severity, you need to make several changes:
+
+1. Remove the severity from the schema
+1. Adjust `minItems` from 1 to 0
+1. Adjust `maxItems` by subtracting 1
+
+Here's what the schema from above looks like when properly converted:
+
+```js
+module.exports = {
+    "type": "array",
+    "items": [
+        {
+            "enum": ["always", "never"]
+        }
+    ],
+    "minItems": 0,
+    "maxItems": 1
+};
+```
+
+## Removed Rules
+
+The following rules have been deprecated with new rules created to take their place. The following is a list of the removed rules and their replacements:
+
+* [no-arrow-condition](https://eslint.org/docs/rules/no-arrow-condition) is replaced by a combination of [no-confusing-arrow](https://eslint.org/docs/rules/no-confusing-arrow) and [no-constant-condition](https://eslint.org/docs/rules/no-constant-condition). Turn on both of these rules to get the same functionality as `no-arrow-condition`.
+* [no-empty-label](https://eslint.org/docs/rules/no-empty-label) is replaced by [no-labels](https://eslint.org/docs/rules/no-labels) with `{"allowLoop": true, "allowSwitch": true}` option.
+* [space-after-keywords](https://eslint.org/docs/rules/space-after-keywords) is replaced by [keyword-spacing](https://eslint.org/docs/rules/keyword-spacing).
+* [space-before-keywords](https://eslint.org/docs/rules/space-before-keywords) is replaced by [keyword-spacing](https://eslint.org/docs/rules/keyword-spacing).
+* [space-return-throw-case](https://eslint.org/docs/rules/space-return-throw-case) is replaced by [keyword-spacing](https://eslint.org/docs/rules/keyword-spacing).
+
+**To address:** You'll need to update your rule configurations to use the new rules. ESLint v2.0.0 will also warn you when you're using a rule that has been removed and will suggest the replacement rules. Hopefully, this will result in few surprises during the upgrade process.
+
+## Configuration Cascading Changes
+
+Prior to 2.0.0, if a directory contained both an `.eslintrc` file and a `package.json` file with ESLint configuration information, the settings from the two files would be merged together. In 2.0.0, only the settings from the `.eslintrc.*` file are used and the ones in `package.json` are ignored when both are present. Otherwise, `package.json` can still be used with ESLint configuration, but only if no other `.eslintrc.*` files are present.
+
+**To address:** If you have both an `.eslintrc.*` and `package.json` with ESLint configuration information in the same directory, combine your configurations into just one of those files.
+
+## Built-In Global Variables
+
+Prior to 2.0.0, new global variables that were standardized as part of ES6 such as `Promise`, `Map`, `Set`, and `Symbol` were included in the built-in global environment. This could lead to potential issues when, for example, `no-undef` permitted use of the `Promise` constructor even in ES5 code where promises are unavailable. In 2.0.0, the built-in environment only includes the standard ES5 global variables, and the new ES6 global variables have been moved to the `es6` environment.
+
+**To address:** If you are writing ES6 code, enable the `es6` environment if you have not already done so:
+
+```js
+// In your .eslintrc
+{
+    env: {
+        es6: true
+    }
+}
+
+// Or in a configuration comment
+/*eslint-env es6*/
+```
+
+## Language Options
+
+Prior to 2.0.0, the way to enable language options was by using `ecmaFeatures` in your configuration. In 2.0.0:
+
+* The `ecmaFeatures` property is now under a top-level `parserOptions` property.
+* All ECMAScript 6 `ecmaFeatures` flags have been removed in favor of a `ecmaVersion` property under `parserOptions` that can be set to 3, 5 (default), or 6.
+* The `ecmaFeatures.modules` flag has been replaced by a `sourceType` property under `parserOptions` which can be set to `"script"` (default) or `"module"` for ES6 modules.
+
+**To address:** If you are using any ECMAScript 6 feature flags in `ecmaFeatures`, you'll need to use `ecmaVersion: 6` instead. The ECMAScript 6 feature flags are:
+
+* `arrowFunctions` - enable [arrow functions](https://leanpub.com/understandinges6/read#leanpub-auto-arrow-functions)
+* `binaryLiterals` - enable [binary literals](https://leanpub.com/understandinges6/read#leanpub-auto-octal-and-binary-literals)
+* `blockBindings` - enable `let` and `const` (aka [block bindings](https://leanpub.com/understandinges6/read#leanpub-auto-block-bindings))
+* `classes` - enable classes
+* `defaultParams` - enable [default function parameters](https://leanpub.com/understandinges6/read/#leanpub-auto-default-parameters)
+* `destructuring` - enable [destructuring](https://leanpub.com/understandinges6/read#leanpub-auto-destructuring-assignment)
+* `forOf` - enable [`for-of` loops](https://leanpub.com/understandinges6/read#leanpub-auto-iterables-and-for-of)
+* `generators` - enable [generators](https://leanpub.com/understandinges6/read#leanpub-auto-generators)
+* `modules` - enable modules and global strict mode
+* `objectLiteralComputedProperties` - enable [computed object literal property names](https://leanpub.com/understandinges6/read#leanpub-auto-computed-property-names)
+* `objectLiteralDuplicateProperties` - enable [duplicate object literal properties](https://leanpub.com/understandinges6/read#leanpub-auto-duplicate-object-literal-properties) in strict mode
+* `objectLiteralShorthandMethods` - enable [object literal shorthand methods](https://leanpub.com/understandinges6/read#leanpub-auto-method-initializer-shorthand)
+* `objectLiteralShorthandProperties` - enable [object literal shorthand properties](https://leanpub.com/understandinges6/read#leanpub-auto-property-initializer-shorthand)
+* `octalLiterals` - enable [octal literals](https://leanpub.com/understandinges6/read#leanpub-auto-octal-and-binary-literals)
+* `regexUFlag` - enable the [regular expression `u` flag](https://leanpub.com/understandinges6/read#leanpub-auto-the-regular-expression-u-flag)
+* `regexYFlag` - enable the [regular expression `y` flag](https://leanpub.com/understandinges6/read#leanpub-auto-the-regular-expression-y-flag)
+* `restParams` - enable the [rest parameters](https://leanpub.com/understandinges6/read#leanpub-auto-rest-parameters)
+* `spread` - enable the [spread operator](https://leanpub.com/understandinges6/read#leanpub-auto-the-spread-operator) for arrays
+* `superInFunctions` - enable `super` references inside of functions
+* `templateStrings` - enable [template strings](https://leanpub.com/understandinges6/read/#leanpub-auto-template-strings)
+* `unicodeCodePointEscapes` - enable [code point escapes](https://leanpub.com/understandinges6/read/#leanpub-auto-escaping-non-bmp-characters)
+
+If you're using any of these flags, such as:
+
+```js
+{
+    ecmaFeatures: {
+        arrowFunctions: true
+    }
+}
+```
+
+Then you should enable ES6 using `ecmaVersion`:
+
+```js
+{
+    parserOptions: {
+        ecmaVersion: 6
+    }
+}
+```
+
+If you're using any non-ES6 flags in `ecmaFeatures`, you need to move those inside of `parserOptions`. For instance:
+
+```js
+{
+    ecmaFeatures: {
+        jsx: true
+    }
+}
+```
+
+Then you should move `ecmaFeatures` under `parserOptions`:
+
+```js
+{
+    parserOptions: {
+        ecmaFeatures: {
+            jsx: true
+        }
+    }
+}
+```
+
+If you were using `ecmaFeatures.modules` to enable ES6 module support like this:
+
+```js
+{
+    ecmaFeatures: {
+        modules: true
+    }
+}
+```
+
+```js
+{
+    parserOptions: {
+        sourceType: "module"
+    }
+}
+```
+
+Additionally, if you are using `context.ecmaFeatures` inside of your rules, then you'll need to update your code in the following ways:
+
+1. If you're using an ES6 feature flag such as `context.ecmaFeatures.blockBindings`, rewrite to check for `context.parserOptions.ecmaVersion > 5`.
+1. If you're using `context.ecmaFeatures.modules`, rewrite to check that the `sourceType` property of the Program node is `"module"`.
+1. If you're using a non-ES6 feature flag such as `context.ecmaFeatures.jsx`, rewrite to check for `context.parserOptions.ecmaFeatures.jsx`.
+
+If you have a plugin with rules and you are using RuleTester, then you also need to update the options you pass for rules that use `ecmaFeatures`. For example:
+
+```js
+var ruleTester = new RuleTester();
+ruleTester.run("no-var", rule, {
+    valid: [
+        {
+            code: "let x;",
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ]
+});
+```
+
+If you're not using `ecmaFeatures` in your configuration or your custom/plugin rules and tests, then no change is needed.
+
+## New Rules in `"eslint:recommended"`
+
+```json
+{
+    "extends": "eslint:recommended"
+}
+```
+
+In 2.0.0, the following 11 rules were added to `"eslint:recommended"`.
+
+* [constructor-super](https://eslint.org/docs/rules/constructor-super)
+* [no-case-declarations](https://eslint.org/docs/rules/no-case-declarations)
+* [no-class-assign](https://eslint.org/docs/rules/no-class-assign)
+* [no-const-assign](https://eslint.org/docs/rules/no-const-assign)
+* [no-dupe-class-members](https://eslint.org/docs/rules/no-dupe-class-members)
+* [no-empty-pattern](https://eslint.org/docs/rules/no-empty-pattern)
+* [no-new-symbol](https://eslint.org/docs/rules/no-new-symbol)
+* [no-self-assign](https://eslint.org/docs/rules/no-self-assign)
+* [no-this-before-super](https://eslint.org/docs/rules/no-this-before-super)
+* [no-unexpected-multiline](https://eslint.org/docs/rules/no-unexpected-multiline)
+* [no-unused-labels](https://eslint.org/docs/rules/no-unused-labels)
+
+**To address:** If you don't want to be notified by those rules, you can simply disable those rules.
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "no-case-declarations": 0,
+        "no-class-assign": 0,
+        "no-const-assign": 0,
+        "no-dupe-class-members": 0,
+        "no-empty-pattern": 0,
+        "no-new-symbol": 0,
+        "no-self-assign": 0,
+        "no-this-before-super": 0,
+        "no-unexpected-multiline": 0,
+        "no-unused-labels": 0,
+        "constructor-super": 0
+    }
+}
+```
+
+## Scope Analysis Changes
+
+We found some bugs in our scope analysis that needed to be addressed. Specifically, we were not properly accounting for global variables in all the ways they are defined.
+
+Originally, `Variable` objects and `Reference` objects refer each other:
+
+* `Variable#references` property is an array of `Reference` objects which are referencing the variable.
+* `Reference#resolved` property is a `Variable` object which are referenced.
+
+But until 1.x, the following variables and references had the wrong value (empty) in those properties:
+
+* `var` declarations in the global.
+* `function` declarations in the global.
+* Variables defined in config files.
+* Variables defined in `/* global */` comments.
+
+Now, those variables and references have correct values in these properties.
+
+`Scope#through` property has references where `Reference#resolved` is `null`. So as a result of this change, the value of `Scope#through` property was changed also.
+
+**To address:** If you are using `Scope#through` to find references of a built-in global variable, you need to make several changes.
+
+For example, this is how you might locate the `window` global variable in 1.x:
+
+```js
+var globalScope = context.getScope();
+globalScope.through.forEach(function(reference) {
+    if (reference.identifier.name === "window") {
+        checkForWindow(reference);
+    }
+});
+```
+
+This was a roundabout way to find the variable because it was added after the fact by ESLint. The `window` variable was in `Scope#through` because the definition couldn't be found.
+
+In 2.0.0, `window` is no longer located in `Scope#through` because we have added back the correct declaration. That means you can reference the `window` object (or any other global object) directly. So the previous example would change to this:
+
+```js
+var globalScope = context.getScope();
+var variable = globalScope.set.get("window");
+if (variable) {
+    variable.references.forEach(checkForWindow);
+}
+```
+
+Further Reading: https://estools.github.io/escope/
+
+## Default Changes When Using `eslint:recommended`
+
+This will affect you if you are extending from `eslint:recommended`, and are enabling [`no-multiple-empty-lines`] or [`func-style`] with only a severity, such as:
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "no-multiple-empty-lines": 2,
+        "func-style": 2
+    }
+}
+```
+
+The rule `no-multiple-empty-lines` has no default exceptions, but in ESLint `1.x`, a default from `eslint:recommended` was applied such that a maximum of two empty lines would be permitted.
+
+The rule `func-style` has a default configuration of `"expression"`, but in ESLint `1.x`, `eslint:recommended` defaulted it to `"declaration"`.
+
+ESLint 2.0.0 removes these conflicting defaults, and so you may begin seeing linting errors related to these rules.
+
+**To address:**  If you would like to maintain the previous behavior, update your configuration for `no-multiple-empty-lines` by adding `{"max": 2}`, and change `func-style` to `"declaration"`. For example:
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "no-multiple-empty-lines": [2, {"max": 2}],
+        "func-style": [2, "declaration"]
+    }
+}
+```
+
+[`no-multiple-empty-lines`]: ../rules/no-multiple-empty-lines
+[`func-style`]: ../rules/func-style
+
+## SourceCode constructor (Node API) changes
+
+`SourceCode` constructor got to handle Unicode BOM.
+If the first argument `text` has BOM, `SourceCode` constructor sets `true` to `this.hasBOM` and strips BOM from the text.
+
+```js
+var SourceCode = require("eslint").SourceCode;
+
+var code = new SourceCode("\uFEFFvar foo = bar;", ast);
+
+assert(code.hasBOM === true);
+assert(code.text === "var foo = bar;");
+```
+
+So the second argument `ast` also should be parsed from stripped text.
+
+**To address:** If you are using `SourceCode` constructor in your code, please parse the source code after it stripped BOM:
+
+```js
+var ast = yourParser.parse(text.replace(/^\uFEFF/, ""), options);
+var sourceCode = new SourceCode(text, ast);
+```
+
+## Rule Changes
+
+* [`strict`](../rules/strict.md) - defaults to `"safe"` (previous default was `"function"`)
+
+## Plugins No Longer Have Default Configurations
+
+Prior to v2.0.0, plugins could specify a `rulesConfig` for the plugin. The `rulesConfig` would automatically be applied whenever someone uses the plugin, which is the opposite of what ESLint does in every other situation (where nothing is on by default). To bring plugins behavior in line, we have removed support for `rulesConfig` in plugins.
+
+**To address:** If you are using a plugin in your configuration file, you will need to manually enable the plugin rules in the configuration file.
diff --git a/eslint/docs/user-guide/migrating-to-3.0.0.md b/eslint/docs/user-guide/migrating-to-3.0.0.md
new file mode 100644
index 0000000..af19c76
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-3.0.0.md
@@ -0,0 +1,81 @@
+# Migrating to v3.0.0
+
+ESLint v3.0.0 is the third major version release. We have made several breaking changes in this release, however, we believe the changes to be small enough that they should not require significant changes for ESLint users. This guide is intended to walk you through the changes.
+
+## Dropping Support for Node.js < 4
+
+With ESLint v3.0.0, we are dropping support for Node.js versions prior to 4. Node.js 0.10 and 0.12 are in [maintenance mode](https://github.com/nodejs/Release) and Node.js 4 is the current LTS version. If you are using an older version of Node.js, we recommend upgrading to at least Node.js 4 as soon as possible. If you are unable to upgrade to Node.js 4 or higher, then we recommend continuing to use ESLint v2.x until you are ready to upgrade Node.js.
+
+**Important:** We will not be updating the ESLint v2.x versions going forward. All bug fixes and enhancements will land in ESLint v3.x.
+
+## Requiring Configuration to Run
+
+ESLint v3.0.0 now requires that you use a configuration to run. A configuration can be any of the following:
+
+1. A `.eslintrc.js`, `.eslintrc.json`, `.eslintrc.yml`, `.eslintrc.yaml`, or `.eslintrc` file either in your project or home directory.
+2. Configuration options passed on the command line using `--rule` (or to CLIEngine using `rules`).
+3. A configuration file passed on the command line using `-c` (or to CLIEngine using `configFile`).
+4. A base configuration is provided to CLIEngine using the `baseConfig` option.
+
+If ESLint can't find a configuration, then it will throw an error and ask you to provide one.
+
+This change was made to help new ESLint users who are frequently confused that ESLint does nothing by default besides reporting parser errors. We anticipate this change will have minimal impact on most established users because you're more likely to have configuration files already.
+
+**To Address:** You should be sure to use a configuration whenever you run ESLint. However, you can still run ESLint without a configuration by passing the `--no-eslintrc` option on the command line or setting the `useEslintrc` option to `false` for `CLIEngine`.
+
+To create a new configuration, use `eslint --init`.
+
+## Changes to `"eslint:recommended"`
+
+```json
+{
+    "extends": "eslint:recommended"
+}
+```
+
+In 3.0.0, the following rules were added to `"eslint:recommended"`:
+
+* [`no-unsafe-finally`](https://eslint.org/docs/rules/no-unsafe-finally) helps catch `finally` clauses that may not behave as you think.
+* [`no-native-reassign`](https://eslint.org/docs/rules/no-native-reassign) was previously part of `no-undef`, but was split out because it didn't make sense as part of another rule. The `no-native-reassign` rule warns whenever you try to overwrite a read-only global variable.
+* [`require-yield`](https://eslint.org/docs/rules/require-yield) helps to identify generator functions that do not have the `yield` keyword.
+
+The following rules were removed from `"eslint:recommended"`:
+
+* [`comma-dangle`](https://eslint.org/docs/rules/comma-dangle) used to be recommended because Internet Explorer 8 and earlier threw a syntax error when it found a dangling comma on object literal properties. However, [Internet Explorer 8 was end-of-lifed](https://www.microsoft.com/en-us/WindowsForBusiness/End-of-IE-support) in January 2016 and all other active browsers allow dangling commas. As such, we consider dangling commas to now be a stylistic issue instead of a possible error.
+
+The following rules were modified:
+
+* [`complexity`](https://eslint.org/docs/rules/complexity) used to have a hardcoded default of 11 in `eslint:recommended` that would be used if you turned the rule on without specifying a maximum. The default is now 20. The rule actually always had a default of 20, but `eslint:recommended` was overriding it by mistake.
+
+**To address:** If you want to mimic how `eslint:recommended` worked in v2.x, you can use the following:
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "no-unsafe-finally": "off",
+        "no-native-reassign": "off",
+        "complexity": ["off", 11],
+        "comma-dangle": "error",
+        "require-yield": "error"
+    }
+}
+```
+
+## Changes to `CLIEngine#executeOnText()`
+
+The `CLIEngine#executeOnText()` method has changed to work more like `CLIEngine#executeOnFiles()`. In v2.x, `CLIEngine#executeOnText()` warned about ignored files by default and didn't have a way to opt-out of those warnings whereas `CLIEngine#executeOnFiles()` did not warn about ignored files by default and allowed you to opt-in to warning about them. The `CLIEngine#executeOnText()` method now also does not warn about ignored files by default and allows you to opt-in with a new, third argument (a boolean, `true` to warn about ignored files and `false` to not warn).
+
+**To address:** If you are currently using `CLIEngine#executeOnText()` in your project like this:
+
+```js
+var result = engine.executeOnText(text, filename);
+```
+
+You can get the equivalent behavior using this:
+
+```js
+var result = engine.executeOnText(text, filename, true);
+```
+
+If you do not want ignored file warnings output to the console, you can omit the third argument or pass `false`.
diff --git a/eslint/docs/user-guide/migrating-to-4.0.0.md b/eslint/docs/user-guide/migrating-to-4.0.0.md
new file mode 100644
index 0000000..de1d378
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-4.0.0.md
@@ -0,0 +1,226 @@
+# Migrating to v4.0.0
+
+ESLint v4.0.0 is the fourth major version release. We have made several breaking changes in this release; however, we expect that most of the changes will only affect a very small percentage of users. This guide is intended to walk you through the changes.
+
+The lists below are ordered roughly by the number of users each change is expected to affect, where the first items are expected to affect the most users.
+
+### Breaking changes for users
+
+1. [New rules have been added to `eslint:recommended`](#eslint-recommended-changes)
+1. [The `indent` rule is more strict](#indent-rewrite)
+1. [Unrecognized properties in config files now cause a fatal error](#config-validation)
+1. [.eslintignore patterns are now resolved from the location of the file](#eslintignore-patterns)
+1. [The `padded-blocks` rule is more strict by default](#padded-blocks-defaults)
+1. [The `space-before-function-paren` rule is more strict by default](#space-before-function-paren-defaults)
+1. [The `no-multi-spaces` rule is more strict by default](#no-multi-spaces-eol-comments)
+1. [References to scoped plugins in config files are now required to include the scope](#scoped-plugin-resolution)
+
+### Breaking changes for plugin/custom rule developers
+
+1. [`RuleTester` now validates properties of test cases](#rule-tester-validation)
+1. [AST nodes no longer have comment properties](#comment-attachment)
+1. [`LineComment` and `BlockComment` events will no longer be emitted during AST traversal](#event-comments)
+1. [Shebangs are now returned from comment APIs](#shebangs)
+
+### Breaking changes for integration developers
+
+1. [The `global` property in the `linter.verify()` API is no longer supported](#global-property)
+1. [More report messages now have full location ranges](#report-locations)
+1. [Some exposed APIs are now ES2015 classes](#exposed-es2015-classes)
+
+---
+
+## <a name="eslint-recommended-changes"/> `eslint:recommended` changes
+
+Two new rules have been added to the [`eslint:recommended`](https://eslint.org/docs/user-guide/configuring#using-eslintrecommended) config:
+
+* [`no-compare-neg-zero`](/docs/rules/no-compare-neg-zero) disallows comparisons to `-0`
+* [`no-useless-escape`](/docs/rules/no-useless-escape) disallows uselessly-escaped characters in strings and regular expressions
+
+**To address:** To mimic the `eslint:recommended` behavior from 3.x, you can disable these rules in a config file:
+
+```json
+{
+  "extends": "eslint:recommended",
+
+  "rules": {
+    "no-compare-neg-zero": "off",
+    "no-useless-escape": "off"
+  }
+}
+```
+
+## <a name="indent-rewrite"/> The `indent` rule is more strict
+
+Previously, the [`indent`](/docs/rules/indent) rule was fairly lenient about checking indentation; there were many code patterns where indentation was not validated by the rule. This caused confusion for users, because they were accidentally writing code with incorrect indentation, and they expected ESLint to catch the issues.
+
+In 4.0.0, the `indent` rule has been rewritten. The new version of the rule will report some indentation errors that the old version of the rule did not catch. Additionally, the indentation of `MemberExpression` nodes, function parameters, and function arguments will now be checked by default (it was previously ignored by default for backwards compatibility).
+
+To make the upgrade process easier, we've introduced the [`indent-legacy`](/docs/rules/indent-legacy) rule as a snapshot of the `indent` rule from 3.x. If you run into issues from the `indent` rule when you upgrade, you should be able to use the `indent-legacy` rule to replicate the 3.x behavior. However, the `indent-legacy` rule is deprecated and will not receive bugfixes or improvements in the future, so you should eventually switch back to the `indent` rule.
+
+**To address:** We recommend upgrading without changing your `indent` configuration, and fixing any new indentation errors that appear in your codebase. However, if you want to mimic how the `indent` rule worked in 3.x, you can update your configuration:
+
+```js
+{
+  rules: {
+    indent: "off",
+    "indent-legacy": "error" // replace this with your previous `indent` configuration
+  }
+}
+```
+
+## <a name="config-validation"/> Unrecognized properties in config files now cause a fatal error
+
+When creating a config, users sometimes make typos or misunderstand how the config is supposed to be structured. Previously, ESLint did not validate the properties of a config file, so a typo in a config could be very tedious to debug. Starting in 4.0.0, ESLint will raise an error if a property in a config file is unrecognized or has the wrong type.
+
+**To address:** If you see a config validation error after upgrading, verify that your config doesn't contain any typos. If you are using an unrecognized property, you should be able to remove it from your config to restore the previous behavior.
+
+## <a name="eslintignore-patterns"/> .eslintignore patterns are now resolved from the location of the file
+
+Due to a bug, glob patterns in an `.eslintignore` file were previously resolved from the current working directory of the process, rather than the location of the `.eslintignore` file. Starting in 4.0, patterns in an `.eslintignore` file will be resolved from the `.eslintignore` file's location.
+
+**To address:** If you use an `.eslintignore` file and you frequently run ESLint from somewhere other than the project root, it's possible that the patterns will be matched differently. You should update the patterns in the `.eslintignore` file to ensure they are relative to the file, not to the working directory.
+
+## <a name="padded-blocks-defaults"/> The `padded-blocks` rule is more strict by default
+
+By default, the [`padded-blocks`](/docs/rules/padded-blocks) rule will now enforce padding in class bodies and switch statements. Previously, the rule would ignore these cases unless the user opted into enforcing them.
+
+**To address:** If this change results in more linting errors in your codebase, you should fix them or reconfigure the rule.
+
+## <a name="space-before-function-paren-defaults"/> The `space-before-function-paren` rule is more strict by default
+
+By default, the [`space-before-function-paren`](/docs/rules/space-before-function-paren) rule will now enforce spacing for async arrow functions. Previously, the rule would ignore these cases unless the user opted into enforcing them.
+
+**To address:** To mimic the default config from 3.x, you can use:
+
+```json
+{
+  "rules": {
+    "space-before-function-paren": ["error", {
+      "anonymous": "always",
+      "named": "always",
+      "asyncArrow": "ignore"
+    }]
+  }
+}
+```
+
+## <a name="no-multi-spaces-eol-comments"/> The `no-multi-spaces` rule is more strict by default
+
+By default, the [`no-multi-spaces`](/docs/rules/no-multi-spaces) rule will now disallow multiple spaces before comments at the end of a line. Previously, the rule did not check this case.
+
+**To address:** To mimic the default config from 3.x, you can use:
+
+```json
+{
+  "rules": {
+    "no-multi-spaces": ["error", {"ignoreEOLComments": true}]
+  }
+}
+```
+
+## <a name="scoped-plugin-resolution"/> References to scoped plugins in config files are now required to include the scope
+
+In 3.x, there was a bug where references to scoped NPM packages as plugins in config files could omit the scope. For example, in 3.x the following config was legal:
+
+```json
+{
+  "plugins": [
+    "@my-organization/foo"
+  ],
+  "rules": {
+    "foo/some-rule": "error"
+  }
+}
+```
+
+In other words, it was possible to reference a rule from a scoped plugin (such as `foo/some-rule`) without explicitly stating the `@my-organization` scope. This was a bug because it could lead to ambiguous rule references if there was also an unscoped plugin called `eslint-plugin-foo` loaded at the same time.
+
+To avoid this ambiguity, in 4.0 references to scoped plugins must include the scope. The config from above should be fixed to:
+
+```json
+{
+  "plugins": [
+    "@my-organization/foo"
+  ],
+  "rules": {
+    "@my-organization/foo/some-rule": "error"
+  }
+}
+```
+
+**To address:** If you reference a scoped NPM package as a plugin in a config file, be sure to include the scope wherever you reference it.
+
+---
+
+## <a name="rule-tester-validation"/> `RuleTester` now validates properties of test cases
+
+Starting in 4.0, the `RuleTester` utility will validate properties of test case objects, and an error will be thrown if an unknown property is encountered. This change was added because we found that it was relatively common for developers to make typos in rule tests, often invalidating the assertions that the test cases were trying to make.
+
+**To address:** If your tests for custom rules have extra properties, you should remove those properties.
+
+## <a name="comment-attachment"/> AST Nodes no longer have comment properties
+
+Prior to 4.0, ESLint required parsers to implement comment attachment, a process where AST nodes would gain additional properties corresponding to their leading and trailing comments in the source file. This made it difficult for users to develop custom parsers, because they would have to replicate the confusing comment attachment semantics required by ESLint.
+
+In 4.0, we have moved away from the concept of comment attachment and have moved all comment handling logic into ESLint itself. This should make it easier to develop custom parsers, but it also means that AST nodes will no longer have `leadingComments` and `trailingComments` properties. Conceptually, rule authors can now think of comments in the context of tokens rather than AST nodes.
+
+**To address:** If you have a custom rule that depends on the `leadingComments` or `trailingComments` properties of an AST node, you can now use `sourceCode.getCommentsBefore()` and `sourceCode.getCommentsAfter()` instead, respectively.
+
+Additionally, the `sourceCode` object now also has `sourceCode.getCommentsInside()` (which returns all the comments inside a node), `sourceCode.getAllComments()` (which returns all the comments in the file), and allows comments to be accessed through various other token iterator methods (such as `getTokenBefore()` and `getTokenAfter()`) with the `{ includeComments: true }` option.
+
+For rule authors concerned about supporting ESLint v3.0 in addition to v4.0, the now deprecated `sourceCode.getComments()` is still available and will work for both versions.
+
+Finally, please note that the following `SourceCode` methods have been deprecated and will be removed in a future version of ESLint:
+
+* `getComments()` - replaced by `getCommentsBefore()`, `getCommentsAfter()`, and `getCommentsInside()`
+* `getTokenOrCommentBefore()` - replaced by `getTokenBefore()` with the `{ includeComments: true }` option
+* `getTokenOrCommentAfter()` - replaced by `getTokenAfter()` with the `{ includeComments: true }` option
+
+## <a name="event-comments"/> `LineComment` and `BlockComment` events will no longer be emitted during AST traversal
+
+Starting in 4.0, `LineComment` and `BlockComments` events will not be emitted during AST traversal. There are two reasons for this:
+
+* This behavior was relying on comment attachment happening at the parser level, which does not happen anymore, to ensure that all comments would be accounted for
+* Thinking of comments in the context of tokens is more predictable and easier to reason about than thinking about comment tokens in the context of AST nodes
+
+**To address:** Instead of relying on `LineComment` and `BlockComment`, rules can now use `sourceCode.getAllComments()` to get all comments in a file. To check all comments of a specific type, rules can use the following pattern:
+
+```
+sourceCode.getAllComments().filter(comment => comment.type === "Line");
+sourceCode.getAllComments().filter(comment => comment.type === "Block");
+```
+
+## <a name="shebangs"/> Shebangs are now returned from comment APIs
+
+Prior to 4.0, shebang comments in a source file would not appear in the output of `sourceCode.getAllComments()` or `sourceCode.getComments()`, but they would appear in the output of `sourceCode.getTokenOrCommentBefore` as line comments. This inconsistency led to some confusion for rule developers.
+
+In 4.0, shebang comments are treated as comment tokens of type `Shebang` and will be returned by any `SourceCode` method that returns comments. The goal of this change is to make working with shebang comments more consistent with how other tokens are handled.
+
+**To address:** If you have a custom rule that performs operations on comments, some additional logic might be required to ensure that shebang comments are correctly handled or filtered out:
+
+```
+sourceCode.getAllComments().filter(comment => comment.type !== "Shebang");
+```
+
+---
+
+## <a name="global-property"/> The `global` property in the `linter.verify()` API is no longer supported
+
+Previously, the `linter.verify()` API accepted a `global` config option, which was a synonym for the documented `globals` property. The `global` option was never documented or officially supported, and did not work in config files. It has been removed in 4.0.
+
+**To address:** If you were using the `global` property, please use the `globals` property instead, which does the same thing.
+
+## <a name="report-locations"/> More report messages now have full location ranges
+
+Starting in 3.1.0, rules have been able to specify the *end* location of a reported problem, in addition to the start location, by explicitly specifying an end location in the `report` call. This is useful for tools like editor integrations, which can use the range to precisely display where a reported problem occurs. Starting in 4.0, if a *node* is reported rather than a location, the end location of the range will automatically be inferred from the end location of the node. As a result, many more reported problems will have end locations.
+
+This is not expected to cause breakage. However, it will likely result in larger report locations than before. For example, if a rule reports the root node of the AST, the reported problem's range will be the entire program. In some integrations, this could result in a poor user experience (e.g. if the entire program is highlighted to indicate an error).
+
+**To address:** If you have an integration that deals with the ranges of reported problems, make sure you handle large report ranges in a user-friendly way.
+
+## <a name="exposed-es2015-classes"/> Some exposed APIs are now ES2015 classes
+
+The `CLIEngine`, `SourceCode`, and `RuleTester` modules from ESLint's Node.js API are now ES2015 classes. This will not break any documented behavior, but it does have some observable effects (for example, the methods on `CLIEngine.prototype` are now non-enumerable).
+
+**To address:** If you rely on enumerating the methods of ESLint's Node.js APIs, use a function that can also access non-enumerable properties such as `Object.getOwnPropertyNames`.
diff --git a/eslint/docs/user-guide/migrating-to-5.0.0.md b/eslint/docs/user-guide/migrating-to-5.0.0.md
new file mode 100644
index 0000000..da5c435
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-5.0.0.md
@@ -0,0 +1,270 @@
+# Migrating to v5.0.0
+
+ESLint v5.0.0 is the fifth major version release. We have made a few breaking changes in this release, but we expect that most users will be able to upgrade without any modifications to their build. This guide is intended to walk you through the breaking changes.
+
+The lists below are ordered roughly by the number of users each change is expected to affect, where the first items are expected to affect the most users.
+
+### Breaking changes for users
+
+1. [Node.js 4 is no longer supported](#drop-node-4)
+1. [New rules have been added to `eslint:recommended`](#eslint-recommended-changes)
+1. [The `experimentalObjectRestSpread` option has been deprecated](#experimental-object-rest-spread)
+1. [Linting nonexistent files from the command line is now a fatal error](#nonexistent-files)
+1. [The default options for some rules have changed](#rule-default-changes)
+1. [Deprecated globals have been removed from the `node`, `browser`, and `jest` environments](#deprecated-globals)
+1. [Empty files are now linted](#empty-files)
+1. [Plugins in scoped packages are now resolvable in configs](#scoped-plugins)
+1. [Multi-line `eslint-disable-line` directives are now reported as problems](#multiline-directives)
+
+### Breaking changes for plugin/custom rule developers
+
+1. [The `parent` property of AST nodes is now set before rules start running](#parent-before-rules)
+1. [When using the default parser, spread operators now have type `SpreadElement`](#spread-operators)
+1. [When using the default parser, rest operators now have type `RestElement`](#rest-operators)
+1. [When using the default parser, text nodes in JSX elements now have type `JSXText`](#jsx-text-nodes)
+1. [The `context.getScope()` method now returns more proper scopes](#context-get-scope)
+1. [The `_linter` property on rule context objects has been removed](#no-context-linter)
+1. [`RuleTester` now uses strict equality checks in its assertions](#rule-tester-equality)
+1. [Rules are now required to provide messages along with reports](#required-report-messages)
+
+### Breaking changes for integration developers
+
+1. [The `source` property is no longer available on individual linting messages](#source-property)
+1. [Fatal errors now result in an exit code of 2](#exit-code-two)
+1. [The `eslint.linter` property is now non-enumerable](#non-enumerable-linter)
+
+---
+
+## <a name="drop-node-4"></a> Node.js 4 is no longer supported
+
+As of April 30th, 2018, Node.js 4 will be at EOL and will no longer be receiving security updates. As a result, we have decided to drop support for it in ESLint v5. We now support the following versions of Node.js:
+
+* Node.js 6 (6.14.0 and above)
+* Node.js 8 (8.10.0 and above)
+* Anything above Node.js 9.10.0
+
+**To address:** Make sure you upgrade to at least Node.js 6 when using ESLint v5. If you are unable to upgrade, we recommend continuing to use ESLint v4.x until you are able to upgrade Node.js.
+
+## <a name="eslint-recommended-changes"/> `eslint:recommended` changes
+
+Two new rules have been added to the [`eslint:recommended`](https://eslint.org/docs/user-guide/configuring#using-eslintrecommended) config:
+
+* [`for-direction`](/docs/rules/for-direction) enforces that a `for` loop update clause moves the counter in the right direction.
+* [`getter-return`](/docs/rules/getter-return) enforces that a `return` statement is present in property getters.
+
+**To address:** To mimic the `eslint:recommended` behavior from 4.x, you can disable these rules in a config file:
+
+```json
+{
+  "extends": "eslint:recommended",
+
+  "rules": {
+    "for-direction": "off",
+    "getter-return": "off"
+  }
+}
+```
+
+## <a name="experimental-object-rest-spread"></a> The `experimentalObjectRestSpread` option has been deprecated
+
+Previously, when using the default parser it was possible to use the `experimentalObjectRestSpread` option to enable support for [rest/spread properties](https://developers.google.com/web/updates/2017/06/object-rest-spread), as follows:
+
+```json
+{
+  "parserOptions": {
+    "ecmaFeatures": {
+      "experimentalObjectRestSpread": true
+    }
+  }
+}
+```
+
+Object rest/spread is now an official part of the JavaScript language, so our support for it is no longer experimental. In both ESLint v4 and ESLint v5, object rest/spread can now be enabled with the `"ecmaVersion": 2018` option:
+
+```json
+{
+  "parserOptions": {
+    "ecmaVersion": 2018
+  }
+}
+```
+
+Note that this also enables parsing for other features from ES2018, such as [async iteration](https://github.com/tc39/proposal-async-iteration). When using ESLint v5 with the default parser, it is no longer possible to toggle syntax support for object rest/spread independently of other features.
+
+For compatibility, ESLint v5 will treat `ecmaFeatures: { experimentalObjectRestSpread: true }` as an alias for `ecmaVersion: 2018` when the former is found in a config file. As a result, if you use object rest/spread, your code should still parse successfully with ESLint v5. However, note that this alias will be removed in ESLint v6.
+
+**To address:** If you use the `experimentalObjectRestSpread` option, you should be able to upgrade to ESLint v5 without any changes, but you will encounter a deprecation warning. To avoid the warning, use `ecmaVersion: 2018` in your config file rather than `ecmaFeatures: { experimentalObjectRestSpread: true }`. If you would like to disallow the use of other ES2018 features, consider using rules such as [`no-restricted-syntax`](/docs/rules/no-restricted-syntax).
+
+## <a name="nonexistent-files"></a> Linting nonexistent files from the command line is now a fatal error
+
+Previous versions of ESLint silently ignored any nonexistent files and globs provided on the command line:
+
+```bash
+$ eslint nonexistent-file.js 'nonexistent-folder/**/*.js' # exits without any errors in ESLint v4
+```
+
+Many users found this behavior confusing, because if they made a typo in a filename, ESLint would appear to lint that file successfully while actually not linting anything.
+
+ESLint v5 will report a fatal error when either of the following conditions is met:
+
+* A file provided on the command line does not exist
+* A glob or folder provided on the command line does not match any lintable files
+
+Note that this also affects the [`CLIEngine.executeOnFiles()`](https://eslint.org/docs/developer-guide/nodejs-api#cliengineexecuteonfiles) API.
+
+**To address:** If you encounter an error about missing files after upgrading to ESLint v5, you may want to double-check that there are no typos in the paths you provide to ESLint. To make the error go away, you can simply remove the given files or globs from the list of arguments provided to ESLint on the command line.
+
+If you use a boilerplate generator that relies on this behavior (e.g. to generate a script that runs `eslint tests/` in a new project before any test files are actually present), you can work around this issue by adding a dummy file that matches the given pattern (e.g. an empty `tests/index.js` file).
+
+## <a name="rule-default-changes"></a> The default options for some rules have changed
+
+* The default options for the [`object-curly-newline`](/docs/rules/object-curly-newline) rule have changed from `{ multiline: true }` to `{ consistent: true }`.
+* The default options object for the [`no-self-assign`](/docs/rules/no-self-assign) rule has changed from `{ props: false }` to `{ props: true }`.
+
+**To address:** To restore the rule behavior from ESLint v4, you can update your config file to include the previous options:
+
+```json
+{
+  "rules": {
+    "object-curly-newline": ["error", { "multiline": true }],
+    "no-self-assign": ["error", { "props": false }]
+  }
+}
+```
+
+## <a name="deprecated-globals"></a> Deprecated globals have been removed from the `node`, `browser`, and `jest` environments
+
+Some global variables have been deprecated or removed for code running in Node.js, browsers, and Jest. (For example, browsers used to expose an `SVGAltGlyphElement` global variable to JavaScript code, but this global has been removed from web standards and is no longer present in browsers.) As a result, we have removed these globals from the corresponding `eslint` environments, so use of these globals will trigger an error when using rules such as [`no-undef`](/docs/rules/no-undef).
+
+**To address:** If you use deprecated globals in the `node`, `browser`, or `jest` environments, you can add a `globals` section to your configuration to re-enable any globals you need. For example:
+
+```json
+{
+  "env": {
+    "browser": true
+  },
+  "globals": {
+    "SVGAltGlyphElement": false
+  }
+}
+```
+
+## <a name="empty-files"></a> Empty files are now linted
+
+ESLint v4 had a special behavior when linting files that only contain whitespace: it would skip running the parser and rules, and it would always return zero errors. This led to some confusion for users and rule authors, particularly when writing tests for rules. (When writing a stylistic rule, rule authors would occasionally write a test where the source code only contained whitespace, to ensure that the rule behaved correctly when no applicable code was found. However, a test like this would actually not run the rule at all, so an aspect of the rule would end up untested.)
+
+ESLint v5 treats whitespace-only files the same way as all other files: it parses them and runs enabled rules on them as appropriate. This could lead to additional linting problems if you use a custom rule that reports errors on empty files.
+
+**To address:** If you have an empty file in your project and you don't want it to be linted, consider adding it to an [`.eslintignore` file](/docs/user-guide/configuring#ignoring-files-and-directories).
+
+If you have a custom rule, you should make sure it handles empty files appropriately. (In most cases, no changes should be necessary.)
+
+## <a name="scoped-plugins"></a> Plugins in scoped packages are now resolvable in configs
+
+When ESLint v5 encounters a plugin name in a config starting with `@`, the plugin will be resolved as a [scoped npm package](https://docs.npmjs.com/misc/scope). For example, if a config contains `"plugins": ["@foo"]`, ESLint v5 will attempt to load a package called `@foo/eslint-plugin`. (On the other hand, ESLint v4 would attempt to load a package called `eslint-plugin-@foo`.) This is a breaking change because users might have been relying on ESLint finding a package at `node_modules/eslint-plugin-@foo`. However, we think it is unlikely that many users were relying on this behavior, because packages published to npm cannot contain an `@` character in the middle.
+
+**To address:** If you rely on ESLint loading a package like `eslint-config-@foo`, consider renaming the package to something else.
+
+## <a name="multiline-directives"></a> Multi-line `eslint-disable-line` directives are now reported as problems
+
+`eslint-disable-line` and `eslint-disable-next-line` directive comments are only allowed to span a single line. For example, the following directive comment is invalid:
+
+```js
+alert('foo'); /* eslint-disable-line
+   no-alert */ alert('bar');
+
+// (which line is the rule disabled on?)
+```
+
+Previously, ESLint would ignore these malformed directive comments. ESLint v5 will report an error when it sees a problem like this, so that the issue can be more easily corrected.
+
+**To address:** If you see new reported errors as a result of this change, ensure that your `eslint-disable-line` directives only span a single line. Note that "block comments" (delimited by `/* */`) are still allowed to be used for directives, provided that the block comments do not contain linebreaks.
+
+---
+
+## <a name="parent-before-rules"></a> The `parent` property of AST nodes is now set before rules start running
+
+Previously, ESLint would set the `parent` property on each AST node immediately before running rule listeners for that node. This caused some confusion for rule authors, because the `parent` property would not initially be present on any nodes, and it was sometimes necessary to complicate the structure of a rule to ensure that the `parent` property of a given node would be available when needed.
+
+In ESLint v5, the `parent` property is set on all AST nodes before any rules have access to the AST. This makes it easier to write some rules, because the `parent` property is always available rather than being mutated behind the scenes. However, as a side-effect of having `parent` properties, the AST object has a circular structure the first time a rule sees it (previously, it only had a circular structure after the first rule listeners were called). As a result, a custom rule that enumerates all properties of a node in order to traverse the AST might now loop forever or run out of memory if it does not check for cycles properly.
+
+**To address:** If you have written a custom rule that enumerates all properties of an AST node, consider excluding the `parent` property or implementing cycle detection to ensure that you obtain the correct result.
+
+## <a name="spread-operators"></a> When using the default parser, spread operators now have type `SpreadElement`
+
+Previously, when parsing JS code like `const foo = {...data}` with the `experimentalObjectRestSpread` option enabled, the default parser would generate an `ExperimentalSpreadProperty` node type for the `...data` spread element.
+
+In ESLint v5, the default parser will now always give the `...data` AST node the `SpreadElement` type, even if the (now deprecated) [`experimentalObjectRestSpread`](#experimental-object-rest-spread) option is enabled. This makes the AST compliant with the current ESTree spec.
+
+**To address:** If you have written a custom rule that relies on spread operators having the `ExperimentalSpreadProperty` type, you should update it to also work with spread operators that have the `SpreadElement` type.
+
+## <a name="rest-operators"></a> When using the default parser, rest operators now have type `RestElement`
+
+Previously, when parsing JS code like `const {foo, ...rest} = data` with the `experimentalObjectRestSpread` option enabled, the default parser would generate an `ExperimentalRestProperty` node type for the `...data` rest element.
+
+In ESLint v5, the default parser will now always give the `...data` AST node the `RestElement` type, even if the (now deprecated) [`experimentalObjectRestSpread`](#experimental-object-rest-spread) option is enabled. This makes the AST compliant with the current ESTree spec.
+
+**To address:** If you have written a custom rule that relies on rest operators having the `ExperimentalRestProperty` type, you should update it to also work with rest operators that have the `RestElement` type.
+
+## <a name="jsx-text-nodes"></a> When using the default parser, text nodes in JSX elements now have type `JSXText`
+
+When parsing JSX code like `<a>foo</a>`, the default parser will now give the `foo` AST node the `JSXText` type, rather than the `Literal` type. This makes the AST compliant with a recent update to the JSX spec.
+
+**To address:** If you have written a custom rule that relies on text nodes in JSX elements having the `Literal` type, you should update it to also work with nodes that have the `JSXText` type.
+
+## <a name="context-get-scope"></a> The `context.getScope()` method now returns more proper scopes
+
+Previously, the `context.getScope()` method changed its behavior based on the `parserOptions.ecmaVersion` property. However, this could cause confusing behavior when using a parser that doesn't respond to the `ecmaVersion` option, such as `babel-eslint`.
+
+Additionally, `context.getScope()` incorrectly returned the parent scope of the proper scope on `CatchClause` (in ES5), `ForStatement` (in ≧ES2015), `ForInStatement` (in ≧ES2015), `ForOfStatement`, and `WithStatement` nodes.
+
+In ESLint v5, the `context.getScope()` method has the same behavior regardless of `parserOptions.ecmaVersion` and returns the proper scope. See [the documentation](../developer-guide/working-with-rules#contextgetscope) for more details on which scopes are returned.
+
+**To address:** If you have written a custom rule that uses the `context.getScope()` method in node handlers, you may need to update it to account for the modified scope information.
+
+## <a name="no-context-linter"></a> The `_linter` property on rule context objects has been removed
+
+Previously, rule context objects had an undocumented `_linter` property, which was used internally within ESLint to process reports from rules. Some rules used this property to achieve functionality that was not intended to be possible for rules. For example, several plugins used the `_linter` property in a rule to monitor reports from other rules, for the purpose of checking for unused `/* eslint-disable */` directive comments. Although this functionality was useful for users, it could also cause stability problems for projects using ESLint. For example, an upgrade to a rule in one plugin could unexpectedly cause a rule in another plugin to start reporting errors.
+
+The `_linter` property has been removed in ESLint v5.0, so it is no longer possible to implement rules with this functionality. However, the [`--report-unused-disable-directives`](/docs/user-guide/command-line-interface#--report-unused-disable-directives) CLI flag can be used to flag unused directive comments.
+
+## <a name="rule-tester-equality"></a> `RuleTester` now uses strict equality checks in its assertions
+
+Previously, `RuleTester` used loose equality when making some of its assertions. For example, if a rule produced the string `"7"` as a result of autofixing, `RuleTester` would allow the number `7` in an `output` assertion, rather than the string `"7"`. In ESLint v5, comparisons from `RuleTester` use strict equality, so an assertion like this will no longer pass.
+
+**To address:** If you use `RuleTester` to write tests for your custom rules, make sure the expected values in your assertions are strictly equal to the actual values.
+
+## <a name="required-report-messages"></a> Rules are now required to provide messages along with reports
+
+Previously, it was possible for rules to report AST nodes without providing a report message. This was not intended behavior, and as a result the default formatter would crash if a rule omitted a message. However, it was possible to avoid a crash when using a non-default formatter, such as `json`.
+
+In ESLint v5, reporting a problem without providing a message always results in an error.
+
+**To address:** If you have written a custom rule that reports a problem without providing a message, update it to provide a message along with the report.
+
+---
+
+## <a name="source-property"></a> The `source` property is no longer available on individual linting messages
+
+As announced in [October 2016](/blog/2016/10/eslint-v3.8.0-released#additional-property-on-linting-results), the `source` property has been removed from individual lint message objects.
+
+**To address:** If you have a formatter or integration which relies on using the `source` property on individual linting messages, you should update it to use the `source` property on file results objects instead.
+
+## <a name="exit-code-two"></a> Fatal errors now result in an exit code of 2
+
+When using ESLint v4, both of the following scenarios resulted in an exit code of 1 when running ESLint on the command line:
+
+* Linting completed successfully, but there are some linting errors
+* Linting was unsuccessful due to a fatal error (e.g. an invalid config file)
+
+As a result, it was difficult for an integration to distinguish between the two cases to determine whether it should try to extract linting results from the output.
+
+In ESLint v5, an unsuccessful linting run due to a fatal error will result in an exit code of 2, rather than 1.
+
+**To address:** If you have an integration that detects all problems with linting runs by checking whether the exit code is equal to 1, update it to check whether the exit code is nonzero instead.
+
+## <a name="non-enumerable-linter"></a> The `eslint.linter` property is now non-enumerable
+
+When using ESLint's Node.js API, the [`linter`](/docs/developer-guide/nodejs-api#linter-1) property is now non-enumerable. Note that the `linter` property was deprecated in ESLint v4 in favor of the [`Linter`](/docs/developer-guide/nodejs-api#linter) property.
+
+**To address:** If you rely on enumerating all the properties of the `eslint` object, use something like `Object.getOwnPropertyNames` to ensure that non-enumerable keys are captured.
diff --git a/eslint/docs/user-guide/migrating-to-6.0.0.md b/eslint/docs/user-guide/migrating-to-6.0.0.md
new file mode 100644
index 0000000..3baec19
--- /dev/null
+++ b/eslint/docs/user-guide/migrating-to-6.0.0.md
@@ -0,0 +1,330 @@
+# Migrating to v6.0.0
+
+ESLint v6.0.0 is a major release of ESLint. We have made a few breaking changes in this release. This guide is intended to walk you through the breaking changes.
+
+The lists below are ordered roughly by the number of users each change is expected to affect, where the first items are expected to affect the most users.
+
+### Breaking changes for users
+
+1. [Node.js 6 is no longer supported](#drop-node-6)
+1. [`eslint:recommended` has been updated](#eslint-recommended-changes)
+1. [Plugins and shareable configs are no longer affected by ESLint's location](#package-loading-simplification)
+1. [The default parser now validates options more strictly](#espree-validation)
+1. [Rule configuration are validated more strictly](#rule-config-validating)
+1. [The `no-redeclare` rule is now more strict by default](#no-redeclare-updates)
+1. [The `comma-dangle` rule is now more strict by default](#comma-dangle-updates)
+1. [The `no-confusing-arrow` rule is now more lenient by default](#no-confusing-arrow-updates)
+1. [Overrides in a config file can now match dotfiles](#overrides-dotfiles)
+1. [Overrides in an extended config file can now be overridden by a parent config file](#overrides-precedence)
+1. [Configuration values for globals are now validated](#globals-validation)
+1. [The deprecated `experimentalObjectRestSpread` option has been removed](#experimental-object-rest-spread)
+1. [User-provided regular expressions in rule options are parsed with the unicode flag](#unicode-regexes)
+
+### Breaking changes for plugin/custom rule developers
+
+1. [Plugin authors may need to update installation instructions](#plugin-documentation)
+1. [`RuleTester` now validates against invalid `default` keywords in rule schemas](#rule-tester-defaults)
+1. [`RuleTester` now requires an absolute path on `parser` option](#rule-tester-parser)
+1. [The `eslintExplicitGlobalComment` scope analysis property has been removed](#eslintExplicitGlobalComment)
+
+### Breaking changes for integration developers
+
+1. [Plugins and shareable configs are no longer affected by ESLint's location](#package-loading-simplification)
+1. [`Linter` no longer tries to load missing parsers from the filesystem](#linter-parsers)
+
+---
+
+## <a name="drop-node-6"></a> Node.js 6 is no longer supported
+
+As of April 2019, Node.js 6 will be at EOL and will no longer be receiving security updates. As a result, we have decided to drop support for it in ESLint v6. We now support the following versions of Node.js:
+
+* Node.js 8 (8.10.0 and above)
+* Node.js 10 (10.13.0 and above)
+* Anything above Node.js 11.10.1
+
+**To address:** Make sure you upgrade to at least Node.js 8 when using ESLint v6. If you are unable to upgrade, we recommend continuing to use ESLint v5.x until you are able to upgrade Node.js.
+
+**Related issue(s):** [eslint/eslint#11546](https://github.com/eslint/eslint/issues/11456)
+
+## <a name="eslint-recommended-changes"></a> `eslint:recommended` has been updated
+
+The following rules have been added to the [`eslint:recommended`](https://eslint.org/docs/user-guide/configuring#using-eslintrecommended) config:
+
+* [`no-async-promise-executor`](https://eslint.org/docs/rules/no-async-promise-executor) disallows using an `async` function as the argument to the `Promise` constructor, which is usually a bug.
+* [`no-misleading-character-class`](https://eslint.org/docs/rules/no-misleading-character-class) reports character classes in regular expressions that might not behave as expected.
+* [`no-prototype-builtins`](https://eslint.org/docs/rules/no-prototype-builtins) reports method calls like `foo.hasOwnProperty("bar")` (which are a frequent source of bugs), and suggests that they be replaced with `Object.prototype.hasOwnProperty.call(foo, "bar")` instead.
+* [`no-shadow-restricted-names`](https://eslint.org/docs/rules/no-shadow-restricted-names) disallows shadowing variables like `undefined` (e.g. with code like `let undefined = 5;`), since is likely to confuse readers.
+* [`no-useless-catch`](https://eslint.org/docs/rules/no-useless-catch) reports `catch` clauses that are redundant and can be removed from the code without changing its behavior.
+* [`no-with`](https://eslint.org/docs/rules/no-with) disallows use of the [`with` statement](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/with), which can make code difficult to understand and cause compatibility problems.
+* [`require-atomic-updates`](https://eslint.org/docs/rules/require-atomic-updates) reports race condition bugs that can occur when reassigning variables in async functions.
+
+Additionally, the following rule has been *removed* from `eslint:recommended`:
+
+* [`no-console`](https://eslint.org/docs/rules/no-console) disallows calling functions like `console.log`. While this rule is useful in many cases (e.g. to avoid inadvertently leaving debugging statements in production code), it is not as broadly applicable as the other rules in `eslint:recommended`, and it was a source of false positives in cases where `console.log` is acceptable (e.g. in CLI applications).
+
+Finally, in ESLint v5 `eslint:recommended` would explicitly disable all core rules that were not considered "recommended". This could cause confusing behavior if `eslint:recommended` was loaded after another config, since `eslint:recommended` would have the effect of turning off some rules. In ESLint v6, `eslint:recommended` has no effect on non-recommended rules.
+
+**To address:** To mimic the `eslint:recommended` behavior from 5.x, you can explicitly disable/enable rules in a config file as follows:
+
+```json
+{
+  "extends": "eslint:recommended",
+
+  "rules": {
+    "no-async-promise-executor": "off",
+    "no-misleading-character-class": "off",
+    "no-prototype-builtins": "off",
+    "no-shadow-restricted-names": "off",
+    "no-useless-catch": "off",
+    "no-with": "off",
+    "require-atomic-updates": "off",
+
+    "no-console": "error"
+  }
+}
+```
+
+In rare cases (if you were relying on the previous behavior where `eslint:recommended` disables core rules), you might need to disable additional rules to restore the previous behavior.
+
+**Related issue(s):** [eslint/eslint#10768](https://github.com/eslint/eslint/issues/10768), [eslint/eslint#10873](https://github.com/eslint/eslint/issues/10873)
+
+## <a name="package-loading-simplification"></a> Plugins and shareable configs are no longer affected by ESLint's location
+
+Previously, ESLint loaded plugins relative to the location of the ESLint package itself. As a result, we suggested that users with global ESLint installations should also install plugins globally, and users with local ESLint installations should install plugins locally. However, due to a design bug, this strategy caused ESLint to randomly fail to load plugins and shareable configs under certain circumstances, particularly when using package management tools like [`lerna`](https://github.com/lerna/lerna) and [Yarn Plug n' Play](https://yarnpkg.com/lang/en/docs/pnp/).
+
+As a rule of thumb: With ESLint v6, plugins should always be installed locally, even if ESLint was installed globally. More precisely, ESLint v6 resolves plugins relative to the end user's project by default, and always resolves shareable configs and parsers relative to the location of the config file that imports them.
+
+**To address:** If you use a global installation of ESLint (e.g. installed with `npm install eslint --global`) along with plugins, you should install those plugins locally in the projects where you run ESLint. If your config file extends shareable configs and/or parsers, you should ensure that those packages are installed as dependencies of the project containing the config file.
+
+If you use a config file located outside of a local project (with the `--config` flag), consider installing the plugins as dependencies of that config file, and setting the [`--resolve-plugins-relative-to`](./command-line-interface#--resolve-plugins-relative-to) flag to the location of the config file.
+
+**Related issue(s):** [eslint/eslint#10125](https://github.com/eslint/eslint/issues/10125), [eslint/rfcs#7](https://github.com/eslint/rfcs/pull/7)
+
+## <a name="espree-validation"></a> The default parser now validates options more strictly
+
+`espree`, the default parser used by ESLint, will now raise an error in the following cases:
+
+* The `ecmaVersion` parser option is set to something other than a number, such as the string `"2015"`. (Previously, a non-number option would simply be ignored.)
+* The `sourceType: "module"` parser option is set while `ecmaVersion` is set to `5` or left unspecified. (Previously, setting `sourceType: "module"` would implicitly cause `ecmaVersion` to be set to a minimum of 2015, which could be surprising.)
+* The `sourceType` is set to anything other than `"script"` or `"module"`.
+
+**To address:** If your config sets `ecmaVersion` to something other than a number, you can restore the previous behavior by removing `ecmaVersion`. (However, you may want to double-check that your config is actually working as expected.) If your config sets `parserOptions: { sourceType: "module" }` without also setting `parserOptions.ecmaVersion`, you should add `parserOptions: { ecmaVersion: 2015 }` to restore the previous behavior.
+
+**Related issue(s):** [eslint/eslint#9687](https://github.com/eslint/eslint/issues/9687), [eslint/espree#384](https://github.com/eslint/espree/issues/384)
+
+## <a name="rule-config-validating"></a> Rule configuration are validated more strictly
+
+To catch config errors earlier, ESLint v6 will report a linting error if you are trying to configure a non-existent rule.
+
+config | ESLint v5 | ESLint v6
+------------- | ------------- | -------------
+`/*eslint-enable foo*/`  | no error | linting error
+`/*eslint-disable(-line) foo*/`  | no error | linting error
+`/*eslint foo: 0*/` | no error | linting error
+`{rules: {foo: 0}}` | no error | no error
+`{rules: {foo: 1}` | linting warning | linting error
+
+**To address:** You can remove the non-existent rule in your (inline) config.
+
+**Related issue(s):** [eslint/eslint#9505](https://github.com/eslint/eslint/issues/9505)
+
+## <a name="no-redeclare-updates"></a> The `no-redeclare` rule is now more strict by default
+
+The default options for the [`no-redeclare`](https://eslint.org/docs/rules/no-redeclare) rule have changed from `{ builtinGlobals: false }` to `{ builtinGlobals: true }`. Additionally, the `no-redeclare` rule will now report an error for globals enabled by comments like `/* global foo */` if those globals were already enabled through configuration anyway.
+
+**To address:**
+
+To restore the previous options for the rule, you can configure it as follows:
+
+```json
+{
+  "rules": {
+    "no-redeclare": ["error", { "builtinGlobals": false }]
+  }
+}
+```
+
+Additionally, if you see new errors for `global` comments in your code, you should remove those comments.
+
+**Related issue(s):** [eslint/eslint#11370](https://github.com/eslint/eslint/issues/11370), [eslint/eslint#11405](https://github.com/eslint/eslint/issues/11405)
+
+## <a name="comma-dangle-updates"></a> The `comma-dangle` rule is now more strict by default
+
+Previously, the [`comma-dangle`](https://eslint.org/docs/rules/comma-dangle) rule would ignore trailing function arguments and parameters, unless explicitly configured to check for function commas. In ESLint v6, function commas are treated the same way as other types of trailing commas.
+
+**To address:** You can restore the previous default behavior of the rule with:
+
+```json
+{
+  "rules": {
+    "comma-dangle": ["error", {
+        "arrays": "never",
+        "objects": "never",
+        "imports": "never",
+        "exports": "never",
+        "functions": "ignore"
+    }]
+  }
+}
+```
+
+To restore the previous behavior of a string option like `"always-multiline"`, replace `"never"` with `"always-multiline"` in the example above.
+
+**Related issue(s):** [eslint/eslint#11502](https://github.com/eslint/eslint/issues/11502)
+
+## <a name="no-confusing-arrow-updates"></a> The `no-confusing-arrow` rule is now more lenient by default
+
+The default options for the [`no-confusing-arrow`](https://eslint.org/docs/rules/no-confusing-arrow) rule have changed from `{ allowParens: false }` to `{ allowParens: true }`.
+
+**To address:** You can restore the previous default behavior of the rule with:
+
+```json
+{
+  "rules": {
+    "no-confusing-arrow": ["error", { "allowParens": false }]
+  }
+}
+```
+
+**Related issue(s):** [eslint/eslint#11503](https://github.com/eslint/eslint/issues/11503)
+
+## <a name="overrides-dotfiles"></a> Overrides in a config file can now match dotfiles
+
+Due to a bug, the glob patterns in a `files` list in an `overrides` section of a config file would never match dotfiles, making it impossible to have overrides apply to files starting with a dot. This bug has been fixed in ESLint v6.
+
+**To address:** If you don't want dotfiles to be matched by an override, consider adding something like `excludedFiles: [".*"]` to that `overrides` section. See the [documentation](https://eslint.org/docs/user-guide/configuring#configuration-based-on-glob-patterns) for more details.
+
+**Related issue(s):** [eslint/eslint#11201](https://github.com/eslint/eslint/issues/11201)
+
+## <a name="overrides-precedence"></a> Overrides in an extended config file can now be overridden by a parent config file
+
+Due to a bug, it was previously the case that an `overrides` block in a shareable config had precedence over the top level of a parent config. For example, with the following config setup, the `semi` rule would end up enabled even though it was explicitly disabled in the end user's config:
+
+```js
+// .eslintrc.js
+module.exports = {
+  extends: ["foo"],
+  rules: {
+    semi: "off"
+  }
+};
+```
+
+```js
+// eslint-config-foo/index.js
+module.exports = {
+  overrides: {
+    files: ["*.js"],
+    rules: {
+      semi: "error"
+    }
+  }
+};
+```
+
+In ESLint v6.0.0, a parent config always has precedence over extended configs, even with `overrides` blocks.
+
+**To address:** We expect the impact of this issue to be very low because most shareable configs don't use `overrides` blocks. However, if you use a shareable config with `overrides` blocks, you might encounter a change in behavior due to something that is explicitly specified in your config but was inactive until now. If you would rather inherit the behavior from the shareable config, simply remove the corresponding entry from your own config. (In the example above, the previous behavior could be restored by removing `semi: "off"` from `.eslintrc.js`.)
+
+**Related issue(s):** [eslint/eslint#11510](https://github.com/eslint/eslint/issues/11510)
+
+## <a name="globals-validation"></a> Configuration values for globals are now validated
+
+Previously, when configuring a set of global variables with an object, it was possible to use anything as the values of the object. An unknown value would be treated the same as `"writable"`.
+
+```js
+// .eslintrc.js
+module.exports = {
+  globals: {
+    foo: "readonly",
+    bar: "writable",
+    baz: "hello!" // ???
+  }
+};
+```
+
+With this change, any unknown values in a `globals` object result in a config validation error.
+
+**To address:** If you see config validation errors related to globals after updating, ensure that all values configured for globals are either `readonly`, `writable`, or `off`. (ESLint also accepts some alternate spellings and variants for compatibility.)
+
+## <a name="experimental-object-rest-spread"></a> The deprecated `experimentalObjectRestSpread` option has been removed
+
+Previously, when using the default parser, a config could use the `experimentalObjectRestSpread` option to enable parsing support for object rest/spread properties:
+
+```json
+{
+  "parserOptions": {
+    "ecmaFeatures": {
+      "experimentalObjectRestSpread": true
+    }
+  }
+}
+```
+
+Since ESLint v5, `ecmaFeatures: { experimentalObjectRestSpread: true }` has been equivalent to `ecmaVersion: 2018`, and has also emitted a deprecation warning. In ESLint v6, the `experimentalObjectRestSpread` feature has been removed entirely and has no effect. If your config was relying on `experimentalObjectRestSpread` to enable ES2018 parsing, you might start seeing parsing errors for recent syntax.
+
+**To address:** If you use the `experimentalObjectRestSpread` option, you should change your config to contain this instead:
+
+```json
+{
+  "parserOptions": {
+    "ecmaVersion": 2018
+  }
+}
+```
+
+If you're not sure which config file needs to be updated, it may be useful to run ESLint v5 and look at what config file is mentioned in the deprecation warning.
+
+**Related issue(s):** [eslint/eslint#9990](https://github.com/eslint/eslint/issues/9990)
+
+## <a name="unicode-regexes"></a> User-provided regular expressions in rule options are parsed with the unicode flag
+
+Rules like [`max-len`](/docs/rules/max-len) accept a string option which is interpreted as a regular expression. In ESLint v6.0.0, these regular expressions are interpreted with the [unicode flag](https://mathiasbynens.be/notes/es6-unicode-regex), which should exhibit more reasonable behavior when matching characters like astral symbols. Unicode regexes also validate escape sequences more strictly than non-unicode regexes.
+
+**To address:** If you get rule option validation errors after upgrading, ensure that any regular expressions in your rule options have no invalid escape sequences.
+
+**Related issue(s):** [eslint/eslint#11423](https://github.com/eslint/eslint/issues/11423)
+
+---
+
+## <a name="plugin-documentation"></a> Plugin authors may need to update installation instructions
+
+If you maintain a plugin and provide installation instructions, you should ensure that the installation instructions are up to date with the [user-facing changes to how plugins are loaded](#package-loading-simplification). In particular, if your plugin was generated with the [`generator-eslint`](https://github.com/eslint/generator-eslint) package, it likely contains outdated instructions for how to use the plugin with global ESLint installations.
+
+**Related issue(s):** [eslint/rfcs#7](https://github.com/eslint/rfcs/pull/7)
+
+## <a name="rule-tester-defaults"></a> `RuleTester` now validates against invalid `default` keywords in rule schemas
+
+In some cases, rule schemas can use the `default` keyword to automatically specify default values for rule options. However, the `default` keyword is only effective in certain schema locations, and is ignored elsewhere, which creates a risk of bugs if a rule incorrectly expects a default value to be provided as a rule option. In ESLint v6.0.0, `RuleTester` will raise an error if a rule has an invalid `default` keyword in its schema.
+
+**To address:** If `RuleTester` starts reporting an error about an invalid default, you can remove the `default` property at the indicated location in your rule schema, and the rule will behave the same way. (If this happens, you might also want to verify that the rule behaves correctly when no option value is provided in that location.)
+
+**Related issue(s):** [eslint/eslint#11473](https://github.com/eslint/eslint/issues/11473)
+
+## <a name="rule-tester-parser"></a> `RuleTester` now requires an absolute path on `parser` option
+
+To use custom parsers in tests, we could use `parser` property with a package name or file path. However, if a package name was given, it's unclear where the tester should load the parser package from because the tester doesn't know which files are running the tester. In ESLint v6.0.0, `RuleTester` disallows `parser` property with a package name.
+
+**To address:** If you use `parser` property with package names in test cases, update it with `require.resolve()` function to resolve the package name to the absolute path to the package.
+
+**Related issue(s):** [eslint/eslint#11728](https://github.com/eslint/eslint/issues/11728), [eslint/eslint#10125](https://github.com/eslint/eslint/issues/10125), [eslint/rfcs#7](https://github.com/eslint/rfcs/pull/7)
+
+## <a name="eslintExplicitGlobalComment"></a> The `eslintExplicitGlobalComment` scope analysis property has been removed
+
+Previously, ESLint would add an `eslintExplicitGlobalComment` property to `Variable` objects in scope analysis to indicate that a variable was introduced as a result of a `/* global */` comment. This property was undocumented, and the ESLint team was unable to find any usage of the property outside of ESLint core. The property has been removed in ESLint v6, and replaced with the `eslintExplicitGlobalComments` property, which can contain a list of all `/* global */` comments if a variable was declared with more than one of them.
+
+**To address:** If you maintain a rule that uses the `eslintExplicitGlobalComment` property, update it to use the `eslintExplicitGlobalComments` property as a list instead.
+
+**Related issue(s):** [eslint/rfcs#17](https://github.com/eslint/rfcs/pull/17)
+
+---
+
+## <a name="linter-parsers"></a> `Linter` no longer tries to load missing parsers from the filesystem
+
+Previously, when linting code with a parser that had not been previously defined, the `Linter` API would attempt to load the parser from the filesystem. However, this behavior was confusing because `Linter` never access the filesystem in any other cases, and it was difficult to ensure that the correct parser would be found when loading the parser from the filesystem.
+
+In ESLint v6, `Linter` will no longer perform any filesystem operations, including loading parsers.
+
+**To address:** If you're using `Linter` with a custom parser, use [`Linter#defineParser`](https://eslint.org/docs/developer-guide/nodejs-api#linterdefineparser) to explicitly define the parser before linting any code.
+
+**Related issue(s):** [eslint/rfcs#7](https://github.com/eslint/rfcs/pull/7)
diff --git a/eslint/docs/user-guide/rule-deprecation.md b/eslint/docs/user-guide/rule-deprecation.md
new file mode 100644
index 0000000..e306916
--- /dev/null
+++ b/eslint/docs/user-guide/rule-deprecation.md
@@ -0,0 +1,13 @@
+# Rule Deprecation
+
+Balancing the trade-offs of improving a tool and the frustration these changes can cause is a difficult task. One key area in which this affects our users is in the removal of rules.
+
+The ESLint team is committed to making upgrading as easy and painless as possible. To that end, the team has agreed upon the following set of guidelines for deprecating rules in the future. The goal of these guidelines is to allow for improvements and changes to be made without breaking existing configurations.
+
+* Rules will never be removed from ESLint.
+* Rules will be deprecated as needed, and marked as such in all documentation.
+* After a rule has been deprecated, the team will no longer do any work on it. This includes bug fixes, enhancements, and updates to the rule's documentation. Issues and pull requests related to deprecated rule will not be accepted and will be closed.
+
+Since deprecated rules will never be removed, you can continue to use them indefinitely if they are working for you. However, keep in mind that deprecated rules will effectively be unmaintained.
+
+We hope that by following these guidelines we will be able to continue improving and working to make ESLint the best tool it can be while causing as little disruption to our users as possible during the process.
diff --git a/eslint/karma.conf.js b/eslint/karma.conf.js
new file mode 100644
index 0000000..dfc6bab
--- /dev/null
+++ b/eslint/karma.conf.js
@@ -0,0 +1,101 @@
+"use strict";
+
+process.env.CHROME_BIN = require("puppeteer").executablePath();
+
+module.exports = function(config) {
+    config.set({
+
+        // base path that will be used to resolve all patterns (eg. files, exclude)
+        basePath: "",
+
+
+        /*
+         * frameworks to use
+         * available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+         */
+        frameworks: ["mocha"],
+
+
+        // list of files / patterns to load in the browser
+        files: [
+            "build/eslint.js",
+            "tests/lib/linter/linter.js"
+        ],
+
+
+        // list of files to exclude
+        exclude: [
+        ],
+
+
+        /*
+         * preprocess matching files before serving them to the browser
+         * available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+         */
+        preprocessors: {
+            "tests/lib/linter/linter.js": ["webpack"]
+        },
+        webpack: {
+            mode: "none",
+            stats: "errors-only"
+        },
+        webpackMiddleware: {
+            logLevel: "error"
+        },
+
+
+        /*
+         * test results reporter to use
+         * possible values: "dots", "progress"
+         * available reporters: https://npmjs.org/browse/keyword/karma-reporter
+         */
+        reporters: ["mocha"],
+
+        mochaReporter: {
+            output: "minimal"
+        },
+
+        // web server port
+        port: 9876,
+
+
+        // enable / disable colors in the output (reporters and logs)
+        colors: true,
+
+
+        /*
+         * level of logging
+         * possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+         */
+        logLevel: config.LOG_INFO,
+
+
+        // enable / disable watching file and executing tests whenever any file changes
+        autoWatch: false,
+
+
+        /*
+         * start these browsers
+         * available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+         */
+        browsers: ["HeadlessChrome"],
+        customLaunchers: {
+            HeadlessChrome: {
+                base: "ChromeHeadless",
+                flags: ["--no-sandbox"]
+            }
+        },
+
+        /*
+         * Continuous Integration mode
+         * if true, Karma captures browsers, runs the tests and exits
+         */
+        singleRun: true,
+
+        /*
+         * Concurrency level
+         * how many browser should be started simultaneous
+         */
+        concurrency: Infinity
+    });
+};
diff --git a/eslint/lib/api.js b/eslint/lib/api.js
new file mode 100644
index 0000000..40a5cc9
--- /dev/null
+++ b/eslint/lib/api.js
@@ -0,0 +1,32 @@
+/**
+ * @fileoverview Expose out ESLint and CLI to require.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+const { CLIEngine } = require("./cli-engine");
+const { Linter } = require("./linter");
+const { RuleTester } = require("./rule-tester");
+const { SourceCode } = require("./source-code");
+
+module.exports = {
+    Linter,
+    CLIEngine,
+    RuleTester,
+    SourceCode
+};
+
+// DOTO: remove deprecated API.
+let deprecatedLinterInstance = null;
+
+Object.defineProperty(module.exports, "linter", {
+    enumerable: false,
+    get() {
+        if (!deprecatedLinterInstance) {
+            deprecatedLinterInstance = new Linter();
+        }
+
+        return deprecatedLinterInstance;
+    }
+});
diff --git a/eslint/lib/cli-engine/cascading-config-array-factory.js b/eslint/lib/cli-engine/cascading-config-array-factory.js
new file mode 100644
index 0000000..b53f67b
--- /dev/null
+++ b/eslint/lib/cli-engine/cascading-config-array-factory.js
@@ -0,0 +1,478 @@
+/**
+ * @fileoverview `CascadingConfigArrayFactory` class.
+ *
+ * `CascadingConfigArrayFactory` class has a responsibility:
+ *
+ * 1. Handles cascading of config files.
+ *
+ * It provides two methods:
+ *
+ * - `getConfigArrayForFile(filePath)`
+ *     Get the corresponded configuration of a given file. This method doesn't
+ *     throw even if the given file didn't exist.
+ * - `clearCache()`
+ *     Clear the internal cache. You have to call this method when
+ *     `additionalPluginPool` was updated if `baseConfig` or `cliConfig` depends
+ *     on the additional plugins. (`CLIEngine#addPlugin()` method calls this.)
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const os = require("os");
+const path = require("path");
+const { validateConfigArray } = require("../shared/config-validator");
+const { emitDeprecationWarning } = require("../shared/deprecation-warnings");
+const { ConfigArrayFactory } = require("./config-array-factory");
+const { ConfigArray, ConfigDependency, IgnorePattern } = require("./config-array");
+const loadRules = require("./load-rules");
+const debug = require("debug")("eslint:cascading-config-array-factory");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+// Define types for VSCode IntelliSense.
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+/** @typedef {import("../shared/types").Parser} Parser */
+/** @typedef {import("../shared/types").Plugin} Plugin */
+/** @typedef {ReturnType<ConfigArrayFactory["create"]>} ConfigArray */
+
+/**
+ * @typedef {Object} CascadingConfigArrayFactoryOptions
+ * @property {Map<string,Plugin>} [additionalPluginPool] The map for additional plugins.
+ * @property {ConfigData} [baseConfig] The config by `baseConfig` option.
+ * @property {ConfigData} [cliConfig] The config by CLI options (`--env`, `--global`, `--ignore-pattern`, `--parser`, `--parser-options`, `--plugin`, and `--rule`). CLI options overwrite the setting in config files.
+ * @property {string} [cwd] The base directory to start lookup.
+ * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.
+ * @property {string[]} [rulePaths] The value of `--rulesdir` option.
+ * @property {string} [specificConfigPath] The value of `--config` option.
+ * @property {boolean} [useEslintrc] if `false` then it doesn't load config files.
+ */
+
+/**
+ * @typedef {Object} CascadingConfigArrayFactoryInternalSlots
+ * @property {ConfigArray} baseConfigArray The config array of `baseConfig` option.
+ * @property {ConfigData} baseConfigData The config data of `baseConfig` option. This is used to reset `baseConfigArray`.
+ * @property {ConfigArray} cliConfigArray The config array of CLI options.
+ * @property {ConfigData} cliConfigData The config data of CLI options. This is used to reset `cliConfigArray`.
+ * @property {ConfigArrayFactory} configArrayFactory The factory for config arrays.
+ * @property {Map<string, ConfigArray>} configCache The cache from directory paths to config arrays.
+ * @property {string} cwd The base directory to start lookup.
+ * @property {WeakMap<ConfigArray, ConfigArray>} finalizeCache The cache from config arrays to finalized config arrays.
+ * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.
+ * @property {string[]|null} rulePaths The value of `--rulesdir` option. This is used to reset `baseConfigArray`.
+ * @property {string|null} specificConfigPath The value of `--config` option. This is used to reset `cliConfigArray`.
+ * @property {boolean} useEslintrc if `false` then it doesn't load config files.
+ */
+
+/** @type {WeakMap<CascadingConfigArrayFactory, CascadingConfigArrayFactoryInternalSlots>} */
+const internalSlotsMap = new WeakMap();
+
+/**
+ * Create the config array from `baseConfig` and `rulePaths`.
+ * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.
+ * @returns {ConfigArray} The config array of the base configs.
+ */
+function createBaseConfigArray({
+    configArrayFactory,
+    baseConfigData,
+    rulePaths,
+    cwd
+}) {
+    const baseConfigArray = configArrayFactory.create(
+        baseConfigData,
+        { name: "BaseConfig" }
+    );
+
+    /*
+     * Create the config array element for the default ignore patterns.
+     * This element has `ignorePattern` property that ignores the default
+     * patterns in the current working directory.
+     */
+    baseConfigArray.unshift(configArrayFactory.create(
+        { ignorePatterns: IgnorePattern.DefaultPatterns },
+        { name: "DefaultIgnorePattern" }
+    )[0]);
+
+    /*
+     * Load rules `--rulesdir` option as a pseudo plugin.
+     * Use a pseudo plugin to define rules of `--rulesdir`, so we can validate
+     * the rule's options with only information in the config array.
+     */
+    if (rulePaths && rulePaths.length > 0) {
+        baseConfigArray.push({
+            type: "config",
+            name: "--rulesdir",
+            filePath: "",
+            plugins: {
+                "": new ConfigDependency({
+                    definition: {
+                        rules: rulePaths.reduce(
+                            (map, rulesPath) => Object.assign(
+                                map,
+                                loadRules(rulesPath, cwd)
+                            ),
+                            {}
+                        )
+                    },
+                    filePath: "",
+                    id: "",
+                    importerName: "--rulesdir",
+                    importerPath: ""
+                })
+            }
+        });
+    }
+
+    return baseConfigArray;
+}
+
+/**
+ * Create the config array from CLI options.
+ * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.
+ * @returns {ConfigArray} The config array of the base configs.
+ */
+function createCLIConfigArray({
+    cliConfigData,
+    configArrayFactory,
+    cwd,
+    ignorePath,
+    specificConfigPath
+}) {
+    const cliConfigArray = configArrayFactory.create(
+        cliConfigData,
+        { name: "CLIOptions" }
+    );
+
+    cliConfigArray.unshift(
+        ...(ignorePath
+            ? configArrayFactory.loadESLintIgnore(ignorePath)
+            : configArrayFactory.loadDefaultESLintIgnore())
+    );
+
+    if (specificConfigPath) {
+        cliConfigArray.unshift(
+            ...configArrayFactory.loadFile(
+                specificConfigPath,
+                { name: "--config", basePath: cwd }
+            )
+        );
+    }
+
+    return cliConfigArray;
+}
+
+/**
+ * The error type when there are files matched by a glob, but all of them have been ignored.
+ */
+class ConfigurationNotFoundError extends Error {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} directoryPath The directory path.
+     */
+    constructor(directoryPath) {
+        super(`No ESLint configuration found in ${directoryPath}.`);
+        this.messageTemplate = "no-config-found";
+        this.messageData = { directoryPath };
+    }
+}
+
+/**
+ * This class provides the functionality that enumerates every file which is
+ * matched by given glob patterns and that configuration.
+ */
+class CascadingConfigArrayFactory {
+
+    /**
+     * Initialize this enumerator.
+     * @param {CascadingConfigArrayFactoryOptions} options The options.
+     */
+    constructor({
+        additionalPluginPool = new Map(),
+        baseConfig: baseConfigData = null,
+        cliConfig: cliConfigData = null,
+        cwd = process.cwd(),
+        ignorePath,
+        resolvePluginsRelativeTo,
+        rulePaths = [],
+        specificConfigPath = null,
+        useEslintrc = true
+    } = {}) {
+        const configArrayFactory = new ConfigArrayFactory({
+            additionalPluginPool,
+            cwd,
+            resolvePluginsRelativeTo
+        });
+
+        internalSlotsMap.set(this, {
+            baseConfigArray: createBaseConfigArray({
+                baseConfigData,
+                configArrayFactory,
+                cwd,
+                rulePaths
+            }),
+            baseConfigData,
+            cliConfigArray: createCLIConfigArray({
+                cliConfigData,
+                configArrayFactory,
+                cwd,
+                ignorePath,
+                specificConfigPath
+            }),
+            cliConfigData,
+            configArrayFactory,
+            configCache: new Map(),
+            cwd,
+            finalizeCache: new WeakMap(),
+            ignorePath,
+            rulePaths,
+            specificConfigPath,
+            useEslintrc
+        });
+    }
+
+    /**
+     * The path to the current working directory.
+     * This is used by tests.
+     * @type {string}
+     */
+    get cwd() {
+        const { cwd } = internalSlotsMap.get(this);
+
+        return cwd;
+    }
+
+    /**
+     * Get the config array of a given file.
+     * If `filePath` was not given, it returns the config which contains only
+     * `baseConfigData` and `cliConfigData`.
+     * @param {string} [filePath] The file path to a file.
+     * @param {Object} [options] The options.
+     * @param {boolean} [options.ignoreNotFoundError] If `true` then it doesn't throw `ConfigurationNotFoundError`.
+     * @returns {ConfigArray} The config array of the file.
+     */
+    getConfigArrayForFile(filePath, { ignoreNotFoundError = false } = {}) {
+        const {
+            baseConfigArray,
+            cliConfigArray,
+            cwd
+        } = internalSlotsMap.get(this);
+
+        if (!filePath) {
+            return new ConfigArray(...baseConfigArray, ...cliConfigArray);
+        }
+
+        const directoryPath = path.dirname(path.resolve(cwd, filePath));
+
+        debug(`Load config files for ${directoryPath}.`);
+
+        return this._finalizeConfigArray(
+            this._loadConfigInAncestors(directoryPath),
+            directoryPath,
+            ignoreNotFoundError
+        );
+    }
+
+    /**
+     * Clear config cache.
+     * @returns {void}
+     */
+    clearCache() {
+        const slots = internalSlotsMap.get(this);
+
+        slots.baseConfigArray = createBaseConfigArray(slots);
+        slots.cliConfigArray = createCLIConfigArray(slots);
+        slots.configCache.clear();
+    }
+
+    /**
+     * Load and normalize config files from the ancestor directories.
+     * @param {string} directoryPath The path to a leaf directory.
+     * @param {boolean} configsExistInSubdirs `true` if configurations exist in subdirectories.
+     * @returns {ConfigArray} The loaded config.
+     * @private
+     */
+    _loadConfigInAncestors(directoryPath, configsExistInSubdirs = false) {
+        const {
+            baseConfigArray,
+            configArrayFactory,
+            configCache,
+            cwd,
+            useEslintrc
+        } = internalSlotsMap.get(this);
+
+        if (!useEslintrc) {
+            return baseConfigArray;
+        }
+
+        let configArray = configCache.get(directoryPath);
+
+        // Hit cache.
+        if (configArray) {
+            debug(`Cache hit: ${directoryPath}.`);
+            return configArray;
+        }
+        debug(`No cache found: ${directoryPath}.`);
+
+        const homePath = os.homedir();
+
+        // Consider this is root.
+        if (directoryPath === homePath && cwd !== homePath) {
+            debug("Stop traversing because of considered root.");
+            if (configsExistInSubdirs) {
+                const filePath = ConfigArrayFactory.getPathToConfigFileInDirectory(directoryPath);
+
+                if (filePath) {
+                    emitDeprecationWarning(
+                        filePath,
+                        "ESLINT_PERSONAL_CONFIG_SUPPRESS"
+                    );
+                }
+            }
+            return this._cacheConfig(directoryPath, baseConfigArray);
+        }
+
+        // Load the config on this directory.
+        try {
+            configArray = configArrayFactory.loadInDirectory(directoryPath);
+        } catch (error) {
+            /* istanbul ignore next */
+            if (error.code === "EACCES") {
+                debug("Stop traversing because of 'EACCES' error.");
+                return this._cacheConfig(directoryPath, baseConfigArray);
+            }
+            throw error;
+        }
+
+        if (configArray.length > 0 && configArray.isRoot()) {
+            debug("Stop traversing because of 'root:true'.");
+            configArray.unshift(...baseConfigArray);
+            return this._cacheConfig(directoryPath, configArray);
+        }
+
+        // Load from the ancestors and merge it.
+        const parentPath = path.dirname(directoryPath);
+        const parentConfigArray = parentPath && parentPath !== directoryPath
+            ? this._loadConfigInAncestors(
+                parentPath,
+                configsExistInSubdirs || configArray.length > 0
+            )
+            : baseConfigArray;
+
+        if (configArray.length > 0) {
+            configArray.unshift(...parentConfigArray);
+        } else {
+            configArray = parentConfigArray;
+        }
+
+        // Cache and return.
+        return this._cacheConfig(directoryPath, configArray);
+    }
+
+    /**
+     * Freeze and cache a given config.
+     * @param {string} directoryPath The path to a directory as a cache key.
+     * @param {ConfigArray} configArray The config array as a cache value.
+     * @returns {ConfigArray} The `configArray` (frozen).
+     */
+    _cacheConfig(directoryPath, configArray) {
+        const { configCache } = internalSlotsMap.get(this);
+
+        Object.freeze(configArray);
+        configCache.set(directoryPath, configArray);
+
+        return configArray;
+    }
+
+    /**
+     * Finalize a given config array.
+     * Concatenate `--config` and other CLI options.
+     * @param {ConfigArray} configArray The parent config array.
+     * @param {string} directoryPath The path to the leaf directory to find config files.
+     * @param {boolean} ignoreNotFoundError If `true` then it doesn't throw `ConfigurationNotFoundError`.
+     * @returns {ConfigArray} The loaded config.
+     * @private
+     */
+    _finalizeConfigArray(configArray, directoryPath, ignoreNotFoundError) {
+        const {
+            cliConfigArray,
+            configArrayFactory,
+            finalizeCache,
+            useEslintrc
+        } = internalSlotsMap.get(this);
+
+        let finalConfigArray = finalizeCache.get(configArray);
+
+        if (!finalConfigArray) {
+            finalConfigArray = configArray;
+
+            // Load the personal config if there are no regular config files.
+            if (
+                useEslintrc &&
+                configArray.every(c => !c.filePath) &&
+                cliConfigArray.every(c => !c.filePath) // `--config` option can be a file.
+            ) {
+                const homePath = os.homedir();
+
+                debug("Loading the config file of the home directory:", homePath);
+
+                const personalConfigArray = configArrayFactory.loadInDirectory(
+                    homePath,
+                    { name: "PersonalConfig" }
+                );
+
+                if (
+                    personalConfigArray.length > 0 &&
+                    !directoryPath.startsWith(homePath)
+                ) {
+                    const lastElement =
+                        personalConfigArray[personalConfigArray.length - 1];
+
+                    emitDeprecationWarning(
+                        lastElement.filePath,
+                        "ESLINT_PERSONAL_CONFIG_LOAD"
+                    );
+                }
+
+                finalConfigArray = finalConfigArray.concat(personalConfigArray);
+            }
+
+            // Apply CLI options.
+            if (cliConfigArray.length > 0) {
+                finalConfigArray = finalConfigArray.concat(cliConfigArray);
+            }
+
+            // Validate rule settings and environments.
+            validateConfigArray(finalConfigArray);
+
+            // Cache it.
+            Object.freeze(finalConfigArray);
+            finalizeCache.set(configArray, finalConfigArray);
+
+            debug(
+                "Configuration was determined: %o on %s",
+                finalConfigArray,
+                directoryPath
+            );
+        }
+
+        // At least one element (the default ignore patterns) exists.
+        if (!ignoreNotFoundError && useEslintrc && finalConfigArray.length <= 1) {
+            throw new ConfigurationNotFoundError(directoryPath);
+        }
+
+        return finalConfigArray;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = { CascadingConfigArrayFactory };
diff --git a/eslint/lib/cli-engine/cli-engine.js b/eslint/lib/cli-engine/cli-engine.js
new file mode 100644
index 0000000..72d1fa4
--- /dev/null
+++ b/eslint/lib/cli-engine/cli-engine.js
@@ -0,0 +1,1021 @@
+/**
+ * @fileoverview Main CLI object.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+/*
+ * The CLI object should *not* call process.exit() directly. It should only return
+ * exit codes. This allows other programs to use the CLI object and still control
+ * when the program exits.
+ */
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs");
+const path = require("path");
+const defaultOptions = require("../../conf/default-cli-options");
+const pkg = require("../../package.json");
+const ConfigOps = require("../shared/config-ops");
+const naming = require("../shared/naming");
+const ModuleResolver = require("../shared/relative-module-resolver");
+const { Linter } = require("../linter");
+const builtInRules = require("../rules");
+const { CascadingConfigArrayFactory } = require("./cascading-config-array-factory");
+const { IgnorePattern, getUsedExtractedConfigs } = require("./config-array");
+const { FileEnumerator } = require("./file-enumerator");
+const hash = require("./hash");
+const LintResultCache = require("./lint-result-cache");
+
+const debug = require("debug")("eslint:cli-engine");
+const validFixTypes = new Set(["problem", "suggestion", "layout"]);
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+// For VSCode IntelliSense
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+/** @typedef {import("../shared/types").LintMessage} LintMessage */
+/** @typedef {import("../shared/types").ParserOptions} ParserOptions */
+/** @typedef {import("../shared/types").Plugin} Plugin */
+/** @typedef {import("../shared/types").RuleConf} RuleConf */
+/** @typedef {import("../shared/types").Rule} Rule */
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+/** @typedef {ReturnType<ConfigArray["extractConfig"]>} ExtractedConfig */
+
+/**
+ * The options to configure a CLI engine with.
+ * @typedef {Object} CLIEngineOptions
+ * @property {boolean} allowInlineConfig Enable or disable inline configuration comments.
+ * @property {ConfigData} baseConfig Base config object, extended by all configs used with this CLIEngine instance
+ * @property {boolean} cache Enable result caching.
+ * @property {string} cacheLocation The cache file to use instead of .eslintcache.
+ * @property {string} configFile The configuration file to use.
+ * @property {string} cwd The value to use for the current working directory.
+ * @property {string[]} envs An array of environments to load.
+ * @property {string[]|null} extensions An array of file extensions to check.
+ * @property {boolean|Function} fix Execute in autofix mode. If a function, should return a boolean.
+ * @property {string[]} fixTypes Array of rule types to apply fixes for.
+ * @property {string[]} globals An array of global variables to declare.
+ * @property {boolean} ignore False disables use of .eslintignore.
+ * @property {string} ignorePath The ignore file to use instead of .eslintignore.
+ * @property {string|string[]} ignorePattern One or more glob patterns to ignore.
+ * @property {boolean} useEslintrc False disables looking for .eslintrc
+ * @property {string} parser The name of the parser to use.
+ * @property {ParserOptions} parserOptions An object of parserOption settings to use.
+ * @property {string[]} plugins An array of plugins to load.
+ * @property {Record<string,RuleConf>} rules An object of rules to use.
+ * @property {string[]} rulePaths An array of directories to load custom rules from.
+ * @property {boolean} reportUnusedDisableDirectives `true` adds reports for unused eslint-disable directives
+ * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {string} resolvePluginsRelativeTo The folder where plugins should be resolved from, defaulting to the CWD
+ */
+
+/**
+ * A linting result.
+ * @typedef {Object} LintResult
+ * @property {string} filePath The path to the file that was linted.
+ * @property {LintMessage[]} messages All of the messages for the result.
+ * @property {number} errorCount Number of errors for the result.
+ * @property {number} warningCount Number of warnings for the result.
+ * @property {number} fixableErrorCount Number of fixable errors for the result.
+ * @property {number} fixableWarningCount Number of fixable warnings for the result.
+ * @property {string} [source] The source code of the file that was linted.
+ * @property {string} [output] The source code of the file that was linted, with as many fixes applied as possible.
+ */
+
+/**
+ * Information of deprecated rules.
+ * @typedef {Object} DeprecatedRuleInfo
+ * @property {string} ruleId The rule ID.
+ * @property {string[]} replacedBy The rule IDs that replace this deprecated rule.
+ */
+
+/**
+ * Linting results.
+ * @typedef {Object} LintReport
+ * @property {LintResult[]} results All of the result.
+ * @property {number} errorCount Number of errors for the result.
+ * @property {number} warningCount Number of warnings for the result.
+ * @property {number} fixableErrorCount Number of fixable errors for the result.
+ * @property {number} fixableWarningCount Number of fixable warnings for the result.
+ * @property {DeprecatedRuleInfo[]} usedDeprecatedRules The list of used deprecated rules.
+ */
+
+/**
+ * Private data for CLIEngine.
+ * @typedef {Object} CLIEngineInternalSlots
+ * @property {Map<string, Plugin>} additionalPluginPool The map for additional plugins.
+ * @property {string} cacheFilePath The path to the cache of lint results.
+ * @property {CascadingConfigArrayFactory} configArrayFactory The factory of configs.
+ * @property {(filePath: string) => boolean} defaultIgnores The default predicate function to check if a file ignored or not.
+ * @property {FileEnumerator} fileEnumerator The file enumerator.
+ * @property {ConfigArray[]} lastConfigArrays The list of config arrays that the last `executeOnFiles` or `executeOnText` used.
+ * @property {LintResultCache|null} lintResultCache The cache of lint results.
+ * @property {Linter} linter The linter instance which has loaded rules.
+ * @property {CLIEngineOptions} options The normalized options of this instance.
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/** @type {WeakMap<CLIEngine, CLIEngineInternalSlots>} */
+const internalSlotsMap = new WeakMap();
+
+/**
+ * Determines if each fix type in an array is supported by ESLint and throws
+ * an error if not.
+ * @param {string[]} fixTypes An array of fix types to check.
+ * @returns {void}
+ * @throws {Error} If an invalid fix type is found.
+ */
+function validateFixTypes(fixTypes) {
+    for (const fixType of fixTypes) {
+        if (!validFixTypes.has(fixType)) {
+            throw new Error(`Invalid fix type "${fixType}" found.`);
+        }
+    }
+}
+
+/**
+ * It will calculate the error and warning count for collection of messages per file
+ * @param {LintMessage[]} messages Collection of messages
+ * @returns {Object} Contains the stats
+ * @private
+ */
+function calculateStatsPerFile(messages) {
+    return messages.reduce((stat, message) => {
+        if (message.fatal || message.severity === 2) {
+            stat.errorCount++;
+            if (message.fix) {
+                stat.fixableErrorCount++;
+            }
+        } else {
+            stat.warningCount++;
+            if (message.fix) {
+                stat.fixableWarningCount++;
+            }
+        }
+        return stat;
+    }, {
+        errorCount: 0,
+        warningCount: 0,
+        fixableErrorCount: 0,
+        fixableWarningCount: 0
+    });
+}
+
+/**
+ * It will calculate the error and warning count for collection of results from all files
+ * @param {LintResult[]} results Collection of messages from all the files
+ * @returns {Object} Contains the stats
+ * @private
+ */
+function calculateStatsPerRun(results) {
+    return results.reduce((stat, result) => {
+        stat.errorCount += result.errorCount;
+        stat.warningCount += result.warningCount;
+        stat.fixableErrorCount += result.fixableErrorCount;
+        stat.fixableWarningCount += result.fixableWarningCount;
+        return stat;
+    }, {
+        errorCount: 0,
+        warningCount: 0,
+        fixableErrorCount: 0,
+        fixableWarningCount: 0
+    });
+}
+
+/**
+ * Processes an source code using ESLint.
+ * @param {Object} config The config object.
+ * @param {string} config.text The source code to verify.
+ * @param {string} config.cwd The path to the current working directory.
+ * @param {string|undefined} config.filePath The path to the file of `text`. If this is undefined, it uses `<text>`.
+ * @param {ConfigArray} config.config The config.
+ * @param {boolean} config.fix If `true` then it does fix.
+ * @param {boolean} config.allowInlineConfig If `true` then it uses directive comments.
+ * @param {boolean} config.reportUnusedDisableDirectives If `true` then it reports unused `eslint-disable` comments.
+ * @param {FileEnumerator} config.fileEnumerator The file enumerator to check if a path is a target or not.
+ * @param {Linter} config.linter The linter instance to verify.
+ * @returns {LintResult} The result of linting.
+ * @private
+ */
+function verifyText({
+    text,
+    cwd,
+    filePath: providedFilePath,
+    config,
+    fix,
+    allowInlineConfig,
+    reportUnusedDisableDirectives,
+    fileEnumerator,
+    linter
+}) {
+    const filePath = providedFilePath || "<text>";
+
+    debug(`Lint ${filePath}`);
+
+    /*
+     * Verify.
+     * `config.extractConfig(filePath)` requires an absolute path, but `linter`
+     * doesn't know CWD, so it gives `linter` an absolute path always.
+     */
+    const filePathToVerify = filePath === "<text>" ? path.join(cwd, filePath) : filePath;
+    const { fixed, messages, output } = linter.verifyAndFix(
+        text,
+        config,
+        {
+            allowInlineConfig,
+            filename: filePathToVerify,
+            fix,
+            reportUnusedDisableDirectives,
+
+            /**
+             * Check if the linter should adopt a given code block or not.
+             * @param {string} blockFilename The virtual filename of a code block.
+             * @returns {boolean} `true` if the linter should adopt the code block.
+             */
+            filterCodeBlock(blockFilename) {
+                return fileEnumerator.isTargetPath(blockFilename);
+            }
+        }
+    );
+
+    // Tweak and return.
+    const result = {
+        filePath,
+        messages,
+        ...calculateStatsPerFile(messages)
+    };
+
+    if (fixed) {
+        result.output = output;
+    }
+    if (
+        result.errorCount + result.warningCount > 0 &&
+        typeof result.output === "undefined"
+    ) {
+        result.source = text;
+    }
+
+    return result;
+}
+
+/**
+ * Returns result with warning by ignore settings
+ * @param {string} filePath File path of checked code
+ * @param {string} baseDir  Absolute path of base directory
+ * @returns {LintResult} Result with single warning
+ * @private
+ */
+function createIgnoreResult(filePath, baseDir) {
+    let message;
+    const isHidden = filePath.split(path.sep)
+        .find(segment => /^\./u.test(segment));
+    const isInNodeModules = baseDir && path.relative(baseDir, filePath).startsWith("node_modules");
+
+    if (isHidden) {
+        message = "File ignored by default.  Use a negated ignore pattern (like \"--ignore-pattern '!<relative/path/to/filename>'\") to override.";
+    } else if (isInNodeModules) {
+        message = "File ignored by default. Use \"--ignore-pattern '!node_modules/*'\" to override.";
+    } else {
+        message = "File ignored because of a matching ignore pattern. Use \"--no-ignore\" to override.";
+    }
+
+    return {
+        filePath: path.resolve(filePath),
+        messages: [
+            {
+                fatal: false,
+                severity: 1,
+                message
+            }
+        ],
+        errorCount: 0,
+        warningCount: 1,
+        fixableErrorCount: 0,
+        fixableWarningCount: 0
+    };
+}
+
+/**
+ * Get a rule.
+ * @param {string} ruleId The rule ID to get.
+ * @param {ConfigArray[]} configArrays The config arrays that have plugin rules.
+ * @returns {Rule|null} The rule or null.
+ */
+function getRule(ruleId, configArrays) {
+    for (const configArray of configArrays) {
+        const rule = configArray.pluginRules.get(ruleId);
+
+        if (rule) {
+            return rule;
+        }
+    }
+    return builtInRules.get(ruleId) || null;
+}
+
+/**
+ * Collect used deprecated rules.
+ * @param {ConfigArray[]} usedConfigArrays The config arrays which were used.
+ * @returns {IterableIterator<DeprecatedRuleInfo>} Used deprecated rules.
+ */
+function *iterateRuleDeprecationWarnings(usedConfigArrays) {
+    const processedRuleIds = new Set();
+
+    // Flatten used configs.
+    /** @type {ExtractedConfig[]} */
+    const configs = [].concat(
+        ...usedConfigArrays.map(getUsedExtractedConfigs)
+    );
+
+    // Traverse rule configs.
+    for (const config of configs) {
+        for (const [ruleId, ruleConfig] of Object.entries(config.rules)) {
+
+            // Skip if it was processed.
+            if (processedRuleIds.has(ruleId)) {
+                continue;
+            }
+            processedRuleIds.add(ruleId);
+
+            // Skip if it's not used.
+            if (!ConfigOps.getRuleSeverity(ruleConfig)) {
+                continue;
+            }
+            const rule = getRule(ruleId, usedConfigArrays);
+
+            // Skip if it's not deprecated.
+            if (!(rule && rule.meta && rule.meta.deprecated)) {
+                continue;
+            }
+
+            // This rule was used and deprecated.
+            yield {
+                ruleId,
+                replacedBy: rule.meta.replacedBy || []
+            };
+        }
+    }
+}
+
+/**
+ * Checks if the given message is an error message.
+ * @param {LintMessage} message The message to check.
+ * @returns {boolean} Whether or not the message is an error message.
+ * @private
+ */
+function isErrorMessage(message) {
+    return message.severity === 2;
+}
+
+
+/**
+ * return the cacheFile to be used by eslint, based on whether the provided parameter is
+ * a directory or looks like a directory (ends in `path.sep`), in which case the file
+ * name will be the `cacheFile/.cache_hashOfCWD`
+ *
+ * if cacheFile points to a file or looks like a file then in will just use that file
+ * @param {string} cacheFile The name of file to be used to store the cache
+ * @param {string} cwd Current working directory
+ * @returns {string} the resolved path to the cache file
+ */
+function getCacheFile(cacheFile, cwd) {
+
+    /*
+     * make sure the path separators are normalized for the environment/os
+     * keeping the trailing path separator if present
+     */
+    const normalizedCacheFile = path.normalize(cacheFile);
+
+    const resolvedCacheFile = path.resolve(cwd, normalizedCacheFile);
+    const looksLikeADirectory = normalizedCacheFile.slice(-1) === path.sep;
+
+    /**
+     * return the name for the cache file in case the provided parameter is a directory
+     * @returns {string} the resolved path to the cacheFile
+     */
+    function getCacheFileForDirectory() {
+        return path.join(resolvedCacheFile, `.cache_${hash(cwd)}`);
+    }
+
+    let fileStats;
+
+    try {
+        fileStats = fs.lstatSync(resolvedCacheFile);
+    } catch (ex) {
+        fileStats = null;
+    }
+
+
+    /*
+     * in case the file exists we need to verify if the provided path
+     * is a directory or a file. If it is a directory we want to create a file
+     * inside that directory
+     */
+    if (fileStats) {
+
+        /*
+         * is a directory or is a file, but the original file the user provided
+         * looks like a directory but `path.resolve` removed the `last path.sep`
+         * so we need to still treat this like a directory
+         */
+        if (fileStats.isDirectory() || looksLikeADirectory) {
+            return getCacheFileForDirectory();
+        }
+
+        // is file so just use that file
+        return resolvedCacheFile;
+    }
+
+    /*
+     * here we known the file or directory doesn't exist,
+     * so we will try to infer if its a directory if it looks like a directory
+     * for the current operating system.
+     */
+
+    // if the last character passed is a path separator we assume is a directory
+    if (looksLikeADirectory) {
+        return getCacheFileForDirectory();
+    }
+
+    return resolvedCacheFile;
+}
+
+/**
+ * Convert a string array to a boolean map.
+ * @param {string[]|null} keys The keys to assign true.
+ * @param {boolean} defaultValue The default value for each property.
+ * @param {string} displayName The property name which is used in error message.
+ * @returns {Record<string,boolean>} The boolean map.
+ */
+function toBooleanMap(keys, defaultValue, displayName) {
+    if (keys && !Array.isArray(keys)) {
+        throw new Error(`${displayName} must be an array.`);
+    }
+    if (keys && keys.length > 0) {
+        return keys.reduce((map, def) => {
+            const [key, value] = def.split(":");
+
+            if (key !== "__proto__") {
+                map[key] = value === void 0
+                    ? defaultValue
+                    : value === "true";
+            }
+
+            return map;
+        }, {});
+    }
+    return void 0;
+}
+
+/**
+ * Create a config data from CLI options.
+ * @param {CLIEngineOptions} options The options
+ * @returns {ConfigData|null} The created config data.
+ */
+function createConfigDataFromOptions(options) {
+    const {
+        ignorePattern,
+        parser,
+        parserOptions,
+        plugins,
+        rules
+    } = options;
+    const env = toBooleanMap(options.envs, true, "envs");
+    const globals = toBooleanMap(options.globals, false, "globals");
+
+    if (
+        env === void 0 &&
+        globals === void 0 &&
+        (ignorePattern === void 0 || ignorePattern.length === 0) &&
+        parser === void 0 &&
+        parserOptions === void 0 &&
+        plugins === void 0 &&
+        rules === void 0
+    ) {
+        return null;
+    }
+    return {
+        env,
+        globals,
+        ignorePatterns: ignorePattern,
+        parser,
+        parserOptions,
+        plugins,
+        rules
+    };
+}
+
+/**
+ * Checks whether a directory exists at the given location
+ * @param {string} resolvedPath A path from the CWD
+ * @returns {boolean} `true` if a directory exists
+ */
+function directoryExists(resolvedPath) {
+    try {
+        return fs.statSync(resolvedPath).isDirectory();
+    } catch (error) {
+        if (error && error.code === "ENOENT") {
+            return false;
+        }
+        throw error;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+class CLIEngine {
+
+    /**
+     * Creates a new instance of the core CLI engine.
+     * @param {CLIEngineOptions} providedOptions The options for this instance.
+     */
+    constructor(providedOptions) {
+        const options = Object.assign(
+            Object.create(null),
+            defaultOptions,
+            { cwd: process.cwd() },
+            providedOptions
+        );
+
+        if (options.fix === void 0) {
+            options.fix = false;
+        }
+
+        const additionalPluginPool = new Map();
+        const cacheFilePath = getCacheFile(
+            options.cacheLocation || options.cacheFile,
+            options.cwd
+        );
+        const configArrayFactory = new CascadingConfigArrayFactory({
+            additionalPluginPool,
+            baseConfig: options.baseConfig || null,
+            cliConfig: createConfigDataFromOptions(options),
+            cwd: options.cwd,
+            ignorePath: options.ignorePath,
+            resolvePluginsRelativeTo: options.resolvePluginsRelativeTo,
+            rulePaths: options.rulePaths,
+            specificConfigPath: options.configFile,
+            useEslintrc: options.useEslintrc
+        });
+        const fileEnumerator = new FileEnumerator({
+            configArrayFactory,
+            cwd: options.cwd,
+            extensions: options.extensions,
+            globInputPaths: options.globInputPaths,
+            errorOnUnmatchedPattern: options.errorOnUnmatchedPattern,
+            ignore: options.ignore
+        });
+        const lintResultCache =
+            options.cache ? new LintResultCache(cacheFilePath) : null;
+        const linter = new Linter({ cwd: options.cwd });
+
+        /** @type {ConfigArray[]} */
+        const lastConfigArrays = [configArrayFactory.getConfigArrayForFile()];
+
+        // Store private data.
+        internalSlotsMap.set(this, {
+            additionalPluginPool,
+            cacheFilePath,
+            configArrayFactory,
+            defaultIgnores: IgnorePattern.createDefaultIgnore(options.cwd),
+            fileEnumerator,
+            lastConfigArrays,
+            lintResultCache,
+            linter,
+            options
+        });
+
+        // setup special filter for fixes
+        if (options.fix && options.fixTypes && options.fixTypes.length > 0) {
+            debug(`Using fix types ${options.fixTypes}`);
+
+            // throw an error if any invalid fix types are found
+            validateFixTypes(options.fixTypes);
+
+            // convert to Set for faster lookup
+            const fixTypes = new Set(options.fixTypes);
+
+            // save original value of options.fix in case it's a function
+            const originalFix = (typeof options.fix === "function")
+                ? options.fix : () => true;
+
+            options.fix = message => {
+                const rule = message.ruleId && getRule(message.ruleId, lastConfigArrays);
+                const matches = rule && rule.meta && fixTypes.has(rule.meta.type);
+
+                return matches && originalFix(message);
+            };
+        }
+    }
+
+    getRules() {
+        const { lastConfigArrays } = internalSlotsMap.get(this);
+
+        return new Map(function *() {
+            yield* builtInRules;
+
+            for (const configArray of lastConfigArrays) {
+                yield* configArray.pluginRules;
+            }
+        }());
+    }
+
+    /**
+     * Returns results that only contains errors.
+     * @param {LintResult[]} results The results to filter.
+     * @returns {LintResult[]} The filtered results.
+     */
+    static getErrorResults(results) {
+        const filtered = [];
+
+        results.forEach(result => {
+            const filteredMessages = result.messages.filter(isErrorMessage);
+
+            if (filteredMessages.length > 0) {
+                filtered.push({
+                    ...result,
+                    messages: filteredMessages,
+                    errorCount: filteredMessages.length,
+                    warningCount: 0,
+                    fixableErrorCount: result.fixableErrorCount,
+                    fixableWarningCount: 0
+                });
+            }
+        });
+
+        return filtered;
+    }
+
+    /**
+     * Outputs fixes from the given results to files.
+     * @param {LintReport} report The report object created by CLIEngine.
+     * @returns {void}
+     */
+    static outputFixes(report) {
+        report.results.filter(result => Object.prototype.hasOwnProperty.call(result, "output")).forEach(result => {
+            fs.writeFileSync(result.filePath, result.output);
+        });
+    }
+
+
+    /**
+     * Add a plugin by passing its configuration
+     * @param {string} name Name of the plugin.
+     * @param {Plugin} pluginObject Plugin configuration object.
+     * @returns {void}
+     */
+    addPlugin(name, pluginObject) {
+        const {
+            additionalPluginPool,
+            configArrayFactory,
+            lastConfigArrays
+        } = internalSlotsMap.get(this);
+
+        additionalPluginPool.set(name, pluginObject);
+        configArrayFactory.clearCache();
+        lastConfigArrays.length = 1;
+        lastConfigArrays[0] = configArrayFactory.getConfigArrayForFile();
+    }
+
+    /**
+     * Resolves the patterns passed into executeOnFiles() into glob-based patterns
+     * for easier handling.
+     * @param {string[]} patterns The file patterns passed on the command line.
+     * @returns {string[]} The equivalent glob patterns.
+     */
+    resolveFileGlobPatterns(patterns) {
+        const { options } = internalSlotsMap.get(this);
+
+        if (options.globInputPaths === false) {
+            return patterns.filter(Boolean);
+        }
+
+        const extensions = (options.extensions || [".js"]).map(ext => ext.replace(/^\./u, ""));
+        const dirSuffix = `/**/*.{${extensions.join(",")}}`;
+
+        return patterns.filter(Boolean).map(pathname => {
+            const resolvedPath = path.resolve(options.cwd, pathname);
+            const newPath = directoryExists(resolvedPath)
+                ? pathname.replace(/[/\\]$/u, "") + dirSuffix
+                : pathname;
+
+            return path.normalize(newPath).replace(/\\/gu, "/");
+        });
+    }
+
+    /**
+     * Executes the current configuration on an array of file and directory names.
+     * @param {string[]} patterns An array of file and directory names.
+     * @returns {LintReport} The results for all files that were linted.
+     */
+    executeOnFiles(patterns) {
+        const {
+            cacheFilePath,
+            fileEnumerator,
+            lastConfigArrays,
+            lintResultCache,
+            linter,
+            options: {
+                allowInlineConfig,
+                cache,
+                cwd,
+                fix,
+                reportUnusedDisableDirectives
+            }
+        } = internalSlotsMap.get(this);
+        const results = [];
+        const startTime = Date.now();
+
+        // Clear the last used config arrays.
+        lastConfigArrays.length = 0;
+
+        // Delete cache file; should this do here?
+        if (!cache) {
+            try {
+                fs.unlinkSync(cacheFilePath);
+            } catch (error) {
+                const errorCode = error && error.code;
+
+                // Ignore errors when no such file exists or file system is read only (and cache file does not exist)
+                if (errorCode !== "ENOENT" && !(errorCode === "EROFS" && !fs.existsSync(cacheFilePath))) {
+                    throw error;
+                }
+            }
+        }
+
+        // Iterate source code files.
+        for (const { config, filePath, ignored } of fileEnumerator.iterateFiles(patterns)) {
+            if (ignored) {
+                results.push(createIgnoreResult(filePath, cwd));
+                continue;
+            }
+
+            /*
+             * Store used configs for:
+             * - this method uses to collect used deprecated rules.
+             * - `getRules()` method uses to collect all loaded rules.
+             * - `--fix-type` option uses to get the loaded rule's meta data.
+             */
+            if (!lastConfigArrays.includes(config)) {
+                lastConfigArrays.push(config);
+            }
+
+            // Skip if there is cached result.
+            if (lintResultCache) {
+                const cachedResult =
+                    lintResultCache.getCachedLintResults(filePath, config);
+
+                if (cachedResult) {
+                    const hadMessages =
+                        cachedResult.messages &&
+                        cachedResult.messages.length > 0;
+
+                    if (hadMessages && fix) {
+                        debug(`Reprocessing cached file to allow autofix: ${filePath}`);
+                    } else {
+                        debug(`Skipping file since it hasn't changed: ${filePath}`);
+                        results.push(cachedResult);
+                        continue;
+                    }
+                }
+            }
+
+            // Do lint.
+            const result = verifyText({
+                text: fs.readFileSync(filePath, "utf8"),
+                filePath,
+                config,
+                cwd,
+                fix,
+                allowInlineConfig,
+                reportUnusedDisableDirectives,
+                fileEnumerator,
+                linter
+            });
+
+            results.push(result);
+
+            /*
+             * Store the lint result in the LintResultCache.
+             * NOTE: The LintResultCache will remove the file source and any
+             * other properties that are difficult to serialize, and will
+             * hydrate those properties back in on future lint runs.
+             */
+            if (lintResultCache) {
+                lintResultCache.setCachedLintResults(filePath, config, result);
+            }
+        }
+
+        // Persist the cache to disk.
+        if (lintResultCache) {
+            lintResultCache.reconcile();
+        }
+
+        // Collect used deprecated rules.
+        const usedDeprecatedRules = Array.from(
+            iterateRuleDeprecationWarnings(lastConfigArrays)
+        );
+
+        debug(`Linting complete in: ${Date.now() - startTime}ms`);
+        return {
+            results,
+            ...calculateStatsPerRun(results),
+            usedDeprecatedRules
+        };
+    }
+
+    /**
+     * Executes the current configuration on text.
+     * @param {string} text A string of JavaScript code to lint.
+     * @param {string} [filename] An optional string representing the texts filename.
+     * @param {boolean} [warnIgnored] Always warn when a file is ignored
+     * @returns {LintReport} The results for the linting.
+     */
+    executeOnText(text, filename, warnIgnored) {
+        const {
+            configArrayFactory,
+            fileEnumerator,
+            lastConfigArrays,
+            linter,
+            options: {
+                allowInlineConfig,
+                cwd,
+                fix,
+                reportUnusedDisableDirectives
+            }
+        } = internalSlotsMap.get(this);
+        const results = [];
+        const startTime = Date.now();
+        const resolvedFilename = filename && path.resolve(cwd, filename);
+
+        // Clear the last used config arrays.
+        lastConfigArrays.length = 0;
+
+        if (resolvedFilename && this.isPathIgnored(resolvedFilename)) {
+            if (warnIgnored) {
+                results.push(createIgnoreResult(resolvedFilename, cwd));
+            }
+        } else {
+            const config = configArrayFactory.getConfigArrayForFile(
+                resolvedFilename || "__placeholder__.js"
+            );
+
+            /*
+             * Store used configs for:
+             * - this method uses to collect used deprecated rules.
+             * - `getRules()` method uses to collect all loaded rules.
+             * - `--fix-type` option uses to get the loaded rule's meta data.
+             */
+            lastConfigArrays.push(config);
+
+            // Do lint.
+            results.push(verifyText({
+                text,
+                filePath: resolvedFilename,
+                config,
+                cwd,
+                fix,
+                allowInlineConfig,
+                reportUnusedDisableDirectives,
+                fileEnumerator,
+                linter
+            }));
+        }
+
+        // Collect used deprecated rules.
+        const usedDeprecatedRules = Array.from(
+            iterateRuleDeprecationWarnings(lastConfigArrays)
+        );
+
+        debug(`Linting complete in: ${Date.now() - startTime}ms`);
+        return {
+            results,
+            ...calculateStatsPerRun(results),
+            usedDeprecatedRules
+        };
+    }
+
+    /**
+     * Returns a configuration object for the given file based on the CLI options.
+     * This is the same logic used by the ESLint CLI executable to determine
+     * configuration for each file it processes.
+     * @param {string} filePath The path of the file to retrieve a config object for.
+     * @returns {ConfigData} A configuration object for the file.
+     */
+    getConfigForFile(filePath) {
+        const { configArrayFactory, options } = internalSlotsMap.get(this);
+        const absolutePath = path.resolve(options.cwd, filePath);
+
+        if (directoryExists(absolutePath)) {
+            throw Object.assign(
+                new Error("'filePath' should not be a directory path."),
+                { messageTemplate: "print-config-with-directory-path" }
+            );
+        }
+
+        return configArrayFactory
+            .getConfigArrayForFile(absolutePath)
+            .extractConfig(absolutePath)
+            .toCompatibleObjectAsConfigFileContent();
+    }
+
+    /**
+     * Checks if a given path is ignored by ESLint.
+     * @param {string} filePath The path of the file to check.
+     * @returns {boolean} Whether or not the given path is ignored.
+     */
+    isPathIgnored(filePath) {
+        const {
+            configArrayFactory,
+            defaultIgnores,
+            options: { cwd, ignore }
+        } = internalSlotsMap.get(this);
+        const absolutePath = path.resolve(cwd, filePath);
+
+        if (ignore) {
+            const config = configArrayFactory
+                .getConfigArrayForFile(absolutePath)
+                .extractConfig(absolutePath);
+            const ignores = config.ignores || defaultIgnores;
+
+            return ignores(absolutePath);
+        }
+
+        return defaultIgnores(absolutePath);
+    }
+
+    /**
+     * Returns the formatter representing the given format or null if no formatter
+     * with the given name can be found.
+     * @param {string} [format] The name of the format to load or the path to a
+     *      custom formatter.
+     * @returns {Function} The formatter function or null if not found.
+     */
+    getFormatter(format) {
+
+        // default is stylish
+        const resolvedFormatName = format || "stylish";
+
+        // only strings are valid formatters
+        if (typeof resolvedFormatName === "string") {
+
+            // replace \ with / for Windows compatibility
+            const normalizedFormatName = resolvedFormatName.replace(/\\/gu, "/");
+
+            const slots = internalSlotsMap.get(this);
+            const cwd = slots ? slots.options.cwd : process.cwd();
+            const namespace = naming.getNamespaceFromTerm(normalizedFormatName);
+
+            let formatterPath;
+
+            // if there's a slash, then it's a file (TODO: this check seems dubious for scoped npm packages)
+            if (!namespace && normalizedFormatName.indexOf("/") > -1) {
+                formatterPath = path.resolve(cwd, normalizedFormatName);
+            } else {
+                try {
+                    const npmFormat = naming.normalizePackageName(normalizedFormatName, "eslint-formatter");
+
+                    formatterPath = ModuleResolver.resolve(npmFormat, path.join(cwd, "__placeholder__.js"));
+                } catch (e) {
+                    formatterPath = path.resolve(__dirname, "formatters", normalizedFormatName);
+                }
+            }
+
+            try {
+                return require(formatterPath);
+            } catch (ex) {
+                ex.message = `There was a problem loading formatter: ${formatterPath}\nError: ${ex.message}`;
+                throw ex;
+            }
+
+        } else {
+            return null;
+        }
+    }
+}
+
+CLIEngine.version = pkg.version;
+CLIEngine.getFormatter = CLIEngine.prototype.getFormatter;
+
+module.exports = {
+    CLIEngine,
+
+    /**
+     * Get the internal slots of a given CLIEngine instance for tests.
+     * @param {CLIEngine} instance The CLIEngine instance to get.
+     * @returns {CLIEngineInternalSlots} The internal slots.
+     */
+    getCLIEngineInternalSlots(instance) {
+        return internalSlotsMap.get(instance);
+    }
+};
diff --git a/eslint/lib/cli-engine/config-array-factory.js b/eslint/lib/cli-engine/config-array-factory.js
new file mode 100644
index 0000000..b1429af
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array-factory.js
@@ -0,0 +1,1074 @@
+/**
+ * @fileoverview The factory of `ConfigArray` objects.
+ *
+ * This class provides methods to create `ConfigArray` instance.
+ *
+ * - `create(configData, options)`
+ *     Create a `ConfigArray` instance from a config data. This is to handle CLI
+ *     options except `--config`.
+ * - `loadFile(filePath, options)`
+ *     Create a `ConfigArray` instance from a config file. This is to handle
+ *     `--config` option. If the file was not found, throws the following error:
+ *      - If the filename was `*.js`, a `MODULE_NOT_FOUND` error.
+ *      - If the filename was `package.json`, an IO error or an
+ *        `ESLINT_CONFIG_FIELD_NOT_FOUND` error.
+ *      - Otherwise, an IO error such as `ENOENT`.
+ * - `loadInDirectory(directoryPath, options)`
+ *     Create a `ConfigArray` instance from a config file which is on a given
+ *     directory. This tries to load `.eslintrc.*` or `package.json`. If not
+ *     found, returns an empty `ConfigArray`.
+ * - `loadESLintIgnore(filePath)`
+ *     Create a `ConfigArray` instance from a config file that is `.eslintignore`
+ *     format. This is to handle `--ignore-path` option.
+ * - `loadDefaultESLintIgnore()`
+ *     Create a `ConfigArray` instance from `.eslintignore` or `package.json` in
+ *     the current working directory.
+ *
+ * `ConfigArrayFactory` class has the responsibility that loads configuration
+ * files, including loading `extends`, `parser`, and `plugins`. The created
+ * `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`.
+ *
+ * But this class doesn't handle cascading. `CascadingConfigArrayFactory` class
+ * handles cascading and hierarchy.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs");
+const path = require("path");
+const importFresh = require("import-fresh");
+const stripComments = require("strip-json-comments");
+const { validateConfigSchema } = require("../shared/config-validator");
+const naming = require("../shared/naming");
+const ModuleResolver = require("../shared/relative-module-resolver");
+const {
+    ConfigArray,
+    ConfigDependency,
+    IgnorePattern,
+    OverrideTester
+} = require("./config-array");
+const debug = require("debug")("eslint:config-array-factory");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const eslintRecommendedPath = path.resolve(__dirname, "../../conf/eslint-recommended.js");
+const eslintAllPath = path.resolve(__dirname, "../../conf/eslint-all.js");
+const configFilenames = [
+    ".eslintrc.js",
+    ".eslintrc.cjs",
+    ".eslintrc.yaml",
+    ".eslintrc.yml",
+    ".eslintrc.json",
+    ".eslintrc",
+    "package.json"
+];
+
+// Define types for VSCode IntelliSense.
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+/** @typedef {import("../shared/types").OverrideConfigData} OverrideConfigData */
+/** @typedef {import("../shared/types").Parser} Parser */
+/** @typedef {import("../shared/types").Plugin} Plugin */
+/** @typedef {import("./config-array/config-dependency").DependentParser} DependentParser */
+/** @typedef {import("./config-array/config-dependency").DependentPlugin} DependentPlugin */
+/** @typedef {ConfigArray[0]} ConfigArrayElement */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryOptions
+ * @property {Map<string,Plugin>} [additionalPluginPool] The map for additional plugins.
+ * @property {string} [cwd] The path to the current working directory.
+ * @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryInternalSlots
+ * @property {Map<string,Plugin>} additionalPluginPool The map for additional plugins.
+ * @property {string} cwd The path to the current working directory.
+ * @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryLoadingContext
+ * @property {string} filePath The path to the current configuration.
+ * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+ * @property {string} name The name of the current configuration.
+ * @property {string} pluginBasePath The base path to resolve plugins.
+ * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryLoadingContext
+ * @property {string} filePath The path to the current configuration.
+ * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+ * @property {string} name The name of the current configuration.
+ * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
+ */
+
+/** @type {WeakMap<ConfigArrayFactory, ConfigArrayFactoryInternalSlots>} */
+const internalSlotsMap = new WeakMap();
+
+/**
+ * Check if a given string is a file path.
+ * @param {string} nameOrPath A module name or file path.
+ * @returns {boolean} `true` if the `nameOrPath` is a file path.
+ */
+function isFilePath(nameOrPath) {
+    return (
+        /^\.{1,2}[/\\]/u.test(nameOrPath) ||
+        path.isAbsolute(nameOrPath)
+    );
+}
+
+/**
+ * Convenience wrapper for synchronously reading file contents.
+ * @param {string} filePath The filename to read.
+ * @returns {string} The file contents, with the BOM removed.
+ * @private
+ */
+function readFile(filePath) {
+    return fs.readFileSync(filePath, "utf8").replace(/^\ufeff/u, "");
+}
+
+/**
+ * Loads a YAML configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+function loadYAMLConfigFile(filePath) {
+    debug(`Loading YAML config file: ${filePath}`);
+
+    // lazy load YAML to improve performance when not used
+    const yaml = require("js-yaml");
+
+    try {
+
+        // empty YAML file can be null, so always use
+        return yaml.safeLoad(readFile(filePath)) || {};
+    } catch (e) {
+        debug(`Error reading YAML file: ${filePath}`);
+        e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
+        throw e;
+    }
+}
+
+/**
+ * Loads a JSON configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+function loadJSONConfigFile(filePath) {
+    debug(`Loading JSON config file: ${filePath}`);
+
+    try {
+        return JSON.parse(stripComments(readFile(filePath)));
+    } catch (e) {
+        debug(`Error reading JSON file: ${filePath}`);
+        e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
+        e.messageTemplate = "failed-to-read-json";
+        e.messageData = {
+            path: filePath,
+            message: e.message
+        };
+        throw e;
+    }
+}
+
+/**
+ * Loads a legacy (.eslintrc) configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+function loadLegacyConfigFile(filePath) {
+    debug(`Loading legacy config file: ${filePath}`);
+
+    // lazy load YAML to improve performance when not used
+    const yaml = require("js-yaml");
+
+    try {
+        return yaml.safeLoad(stripComments(readFile(filePath))) || /* istanbul ignore next */ {};
+    } catch (e) {
+        debug("Error reading YAML file: %s\n%o", filePath, e);
+        e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
+        throw e;
+    }
+}
+
+/**
+ * Loads a JavaScript configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+function loadJSConfigFile(filePath) {
+    debug(`Loading JS config file: ${filePath}`);
+    try {
+        return importFresh(filePath);
+    } catch (e) {
+        debug(`Error reading JavaScript file: ${filePath}`);
+        e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
+        throw e;
+    }
+}
+
+/**
+ * Loads a configuration from a package.json file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+function loadPackageJSONConfigFile(filePath) {
+    debug(`Loading package.json config file: ${filePath}`);
+    try {
+        const packageData = loadJSONConfigFile(filePath);
+
+        if (!Object.hasOwnProperty.call(packageData, "eslintConfig")) {
+            throw Object.assign(
+                new Error("package.json file doesn't have 'eslintConfig' field."),
+                { code: "ESLINT_CONFIG_FIELD_NOT_FOUND" }
+            );
+        }
+
+        return packageData.eslintConfig;
+    } catch (e) {
+        debug(`Error reading package.json file: ${filePath}`);
+        e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`;
+        throw e;
+    }
+}
+
+/**
+ * Loads a `.eslintignore` from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {string[]} The ignore patterns from the file.
+ * @private
+ */
+function loadESLintIgnoreFile(filePath) {
+    debug(`Loading .eslintignore file: ${filePath}`);
+
+    try {
+        return readFile(filePath)
+            .split(/\r?\n/gu)
+            .filter(line => line.trim() !== "" && !line.startsWith("#"));
+    } catch (e) {
+        debug(`Error reading .eslintignore file: ${filePath}`);
+        e.message = `Cannot read .eslintignore file: ${filePath}\nError: ${e.message}`;
+        throw e;
+    }
+}
+
+/**
+ * Creates an error to notify about a missing config to extend from.
+ * @param {string} configName The name of the missing config.
+ * @param {string} importerName The name of the config that imported the missing config
+ * @returns {Error} The error object to throw
+ * @private
+ */
+function configMissingError(configName, importerName) {
+    return Object.assign(
+        new Error(`Failed to load config "${configName}" to extend from.`),
+        {
+            messageTemplate: "extend-config-missing",
+            messageData: { configName, importerName }
+        }
+    );
+}
+
+/**
+ * Loads a configuration file regardless of the source. Inspects the file path
+ * to determine the correctly way to load the config file.
+ * @param {string} filePath The path to the configuration.
+ * @returns {ConfigData|null} The configuration information.
+ * @private
+ */
+function loadConfigFile(filePath) {
+    switch (path.extname(filePath)) {
+        case ".js":
+        case ".cjs":
+            return loadJSConfigFile(filePath);
+
+        case ".json":
+            if (path.basename(filePath) === "package.json") {
+                return loadPackageJSONConfigFile(filePath);
+            }
+            return loadJSONConfigFile(filePath);
+
+        case ".yaml":
+        case ".yml":
+            return loadYAMLConfigFile(filePath);
+
+        default:
+            return loadLegacyConfigFile(filePath);
+    }
+}
+
+/**
+ * Write debug log.
+ * @param {string} request The requested module name.
+ * @param {string} relativeTo The file path to resolve the request relative to.
+ * @param {string} filePath The resolved file path.
+ * @returns {void}
+ */
+function writeDebugLogForLoading(request, relativeTo, filePath) {
+    /* istanbul ignore next */
+    if (debug.enabled) {
+        let nameAndVersion = null;
+
+        try {
+            const packageJsonPath = ModuleResolver.resolve(
+                `${request}/package.json`,
+                relativeTo
+            );
+            const { version = "unknown" } = require(packageJsonPath);
+
+            nameAndVersion = `${request}@${version}`;
+        } catch (error) {
+            debug("package.json was not found:", error.message);
+            nameAndVersion = request;
+        }
+
+        debug("Loaded: %s (%s)", nameAndVersion, filePath);
+    }
+}
+
+/**
+ * Create a new context with default values.
+ * @param {ConfigArrayFactoryInternalSlots} slots The internal slots.
+ * @param {"config" | "ignore" | "implicit-processor" | undefined} providedType The type of the current configuration. Default is `"config"`.
+ * @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`.
+ * @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string.
+ * @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`.
+ * @returns {ConfigArrayFactoryLoadingContext} The created context.
+ */
+function createContext(
+    { cwd, resolvePluginsRelativeTo },
+    providedType,
+    providedName,
+    providedFilePath,
+    providedMatchBasePath
+) {
+    const filePath = providedFilePath
+        ? path.resolve(cwd, providedFilePath)
+        : "";
+    const matchBasePath =
+        (providedMatchBasePath && path.resolve(cwd, providedMatchBasePath)) ||
+        (filePath && path.dirname(filePath)) ||
+        cwd;
+    const name =
+        providedName ||
+        (filePath && path.relative(cwd, filePath)) ||
+        "";
+    const pluginBasePath =
+        resolvePluginsRelativeTo ||
+        (filePath && path.dirname(filePath)) ||
+        cwd;
+    const type = providedType || "config";
+
+    return { filePath, matchBasePath, name, pluginBasePath, type };
+}
+
+/**
+ * Normalize a given plugin.
+ * - Ensure the object to have four properties: configs, environments, processors, and rules.
+ * - Ensure the object to not have other properties.
+ * @param {Plugin} plugin The plugin to normalize.
+ * @returns {Plugin} The normalized plugin.
+ */
+function normalizePlugin(plugin) {
+    return {
+        configs: plugin.configs || {},
+        environments: plugin.environments || {},
+        processors: plugin.processors || {},
+        rules: plugin.rules || {}
+    };
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The factory of `ConfigArray` objects.
+ */
+class ConfigArrayFactory {
+
+    /**
+     * Initialize this instance.
+     * @param {ConfigArrayFactoryOptions} [options] The map for additional plugins.
+     */
+    constructor({
+        additionalPluginPool = new Map(),
+        cwd = process.cwd(),
+        resolvePluginsRelativeTo
+    } = {}) {
+        internalSlotsMap.set(this, {
+            additionalPluginPool,
+            cwd,
+            resolvePluginsRelativeTo:
+                resolvePluginsRelativeTo &&
+                path.resolve(cwd, resolvePluginsRelativeTo)
+        });
+    }
+
+    /**
+     * Create `ConfigArray` instance from a config data.
+     * @param {ConfigData|null} configData The config data to create.
+     * @param {Object} [options] The options.
+     * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+     * @param {string} [options.filePath] The path to this config data.
+     * @param {string} [options.name] The config name.
+     * @returns {ConfigArray} Loaded config.
+     */
+    create(configData, { basePath, filePath, name } = {}) {
+        if (!configData) {
+            return new ConfigArray();
+        }
+
+        const slots = internalSlotsMap.get(this);
+        const ctx = createContext(slots, "config", name, filePath, basePath);
+        const elements = this._normalizeConfigData(configData, ctx);
+
+        return new ConfigArray(...elements);
+    }
+
+    /**
+     * Load a config file.
+     * @param {string} filePath The path to a config file.
+     * @param {Object} [options] The options.
+     * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+     * @param {string} [options.name] The config name.
+     * @returns {ConfigArray} Loaded config.
+     */
+    loadFile(filePath, { basePath, name } = {}) {
+        const slots = internalSlotsMap.get(this);
+        const ctx = createContext(slots, "config", name, filePath, basePath);
+
+        return new ConfigArray(...this._loadConfigData(ctx));
+    }
+
+    /**
+     * Load the config file on a given directory if exists.
+     * @param {string} directoryPath The path to a directory.
+     * @param {Object} [options] The options.
+     * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+     * @param {string} [options.name] The config name.
+     * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+     */
+    loadInDirectory(directoryPath, { basePath, name } = {}) {
+        const slots = internalSlotsMap.get(this);
+
+        for (const filename of configFilenames) {
+            const ctx = createContext(
+                slots,
+                "config",
+                name,
+                path.join(directoryPath, filename),
+                basePath
+            );
+
+            if (fs.existsSync(ctx.filePath)) {
+                let configData;
+
+                try {
+                    configData = loadConfigFile(ctx.filePath);
+                } catch (error) {
+                    if (!error || error.code !== "ESLINT_CONFIG_FIELD_NOT_FOUND") {
+                        throw error;
+                    }
+                }
+
+                if (configData) {
+                    debug(`Config file found: ${ctx.filePath}`);
+                    return new ConfigArray(
+                        ...this._normalizeConfigData(configData, ctx)
+                    );
+                }
+            }
+        }
+
+        debug(`Config file not found on ${directoryPath}`);
+        return new ConfigArray();
+    }
+
+    /**
+     * Check if a config file on a given directory exists or not.
+     * @param {string} directoryPath The path to a directory.
+     * @returns {string | null} The path to the found config file. If not found then null.
+     */
+    static getPathToConfigFileInDirectory(directoryPath) {
+        for (const filename of configFilenames) {
+            const filePath = path.join(directoryPath, filename);
+
+            if (fs.existsSync(filePath)) {
+                if (filename === "package.json") {
+                    try {
+                        loadPackageJSONConfigFile(filePath);
+                        return filePath;
+                    } catch (error) { /* ignore */ }
+                } else {
+                    return filePath;
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Load `.eslintignore` file.
+     * @param {string} filePath The path to a `.eslintignore` file to load.
+     * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+     */
+    loadESLintIgnore(filePath) {
+        const slots = internalSlotsMap.get(this);
+        const ctx = createContext(
+            slots,
+            "ignore",
+            void 0,
+            filePath,
+            slots.cwd
+        );
+        const ignorePatterns = loadESLintIgnoreFile(ctx.filePath);
+
+        return new ConfigArray(
+            ...this._normalizeESLintIgnoreData(ignorePatterns, ctx)
+        );
+    }
+
+    /**
+     * Load `.eslintignore` file in the current working directory.
+     * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+     */
+    loadDefaultESLintIgnore() {
+        const slots = internalSlotsMap.get(this);
+        const eslintIgnorePath = path.resolve(slots.cwd, ".eslintignore");
+        const packageJsonPath = path.resolve(slots.cwd, "package.json");
+
+        if (fs.existsSync(eslintIgnorePath)) {
+            return this.loadESLintIgnore(eslintIgnorePath);
+        }
+        if (fs.existsSync(packageJsonPath)) {
+            const data = loadJSONConfigFile(packageJsonPath);
+
+            if (Object.hasOwnProperty.call(data, "eslintIgnore")) {
+                if (!Array.isArray(data.eslintIgnore)) {
+                    throw new Error("Package.json eslintIgnore property requires an array of paths");
+                }
+                const ctx = createContext(
+                    slots,
+                    "ignore",
+                    "eslintIgnore in package.json",
+                    packageJsonPath,
+                    slots.cwd
+                );
+
+                return new ConfigArray(
+                    ...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx)
+                );
+            }
+        }
+
+        return new ConfigArray();
+    }
+
+    /**
+     * Load a given config file.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} Loaded config.
+     * @private
+     */
+    _loadConfigData(ctx) {
+        return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx);
+    }
+
+    /**
+     * Normalize a given `.eslintignore` data to config array elements.
+     * @param {string[]} ignorePatterns The patterns to ignore files.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    *_normalizeESLintIgnoreData(ignorePatterns, ctx) {
+        const elements = this._normalizeObjectConfigData(
+            { ignorePatterns },
+            ctx
+        );
+
+        // Set `ignorePattern.loose` flag for backward compatibility.
+        for (const element of elements) {
+            if (element.ignorePattern) {
+                element.ignorePattern.loose = true;
+            }
+            yield element;
+        }
+    }
+
+    /**
+     * Normalize a given config to an array.
+     * @param {ConfigData} configData The config data to normalize.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    _normalizeConfigData(configData, ctx) {
+        validateConfigSchema(configData, ctx.name || ctx.filePath);
+        return this._normalizeObjectConfigData(configData, ctx);
+    }
+
+    /**
+     * Normalize a given config to an array.
+     * @param {ConfigData|OverrideConfigData} configData The config data to normalize.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    *_normalizeObjectConfigData(configData, ctx) {
+        const { files, excludedFiles, ...configBody } = configData;
+        const criteria = OverrideTester.create(
+            files,
+            excludedFiles,
+            ctx.matchBasePath
+        );
+        const elements = this._normalizeObjectConfigDataBody(configBody, ctx);
+
+        // Apply the criteria to every element.
+        for (const element of elements) {
+
+            /*
+             * Merge the criteria.
+             * This is for the `overrides` entries that came from the
+             * configurations of `overrides[].extends`.
+             */
+            element.criteria = OverrideTester.and(criteria, element.criteria);
+
+            /*
+             * Remove `root` property to ignore `root` settings which came from
+             * `extends` in `overrides`.
+             */
+            if (element.criteria) {
+                element.root = void 0;
+            }
+
+            yield element;
+        }
+    }
+
+    /**
+     * Normalize a given config to an array.
+     * @param {ConfigData} configData The config data to normalize.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    *_normalizeObjectConfigDataBody(
+        {
+            env,
+            extends: extend,
+            globals,
+            ignorePatterns,
+            noInlineConfig,
+            parser: parserName,
+            parserOptions,
+            plugins: pluginList,
+            processor,
+            reportUnusedDisableDirectives,
+            root,
+            rules,
+            settings,
+            overrides: overrideList = []
+        },
+        ctx
+    ) {
+        const extendList = Array.isArray(extend) ? extend : [extend];
+        const ignorePattern = ignorePatterns && new IgnorePattern(
+            Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns],
+            ctx.matchBasePath
+        );
+
+        // Flatten `extends`.
+        for (const extendName of extendList.filter(Boolean)) {
+            yield* this._loadExtends(extendName, ctx);
+        }
+
+        // Load parser & plugins.
+        const parser = parserName && this._loadParser(parserName, ctx);
+        const plugins = pluginList && this._loadPlugins(pluginList, ctx);
+
+        // Yield pseudo config data for file extension processors.
+        if (plugins) {
+            yield* this._takeFileExtensionProcessors(plugins, ctx);
+        }
+
+        // Yield the config data except `extends` and `overrides`.
+        yield {
+
+            // Debug information.
+            type: ctx.type,
+            name: ctx.name,
+            filePath: ctx.filePath,
+
+            // Config data.
+            criteria: null,
+            env,
+            globals,
+            ignorePattern,
+            noInlineConfig,
+            parser,
+            parserOptions,
+            plugins,
+            processor,
+            reportUnusedDisableDirectives,
+            root,
+            rules,
+            settings
+        };
+
+        // Flatten `overries`.
+        for (let i = 0; i < overrideList.length; ++i) {
+            yield* this._normalizeObjectConfigData(
+                overrideList[i],
+                { ...ctx, name: `${ctx.name}#overrides[${i}]` }
+            );
+        }
+    }
+
+    /**
+     * Load configs of an element in `extends`.
+     * @param {string} extendName The name of a base config.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    _loadExtends(extendName, ctx) {
+        debug("Loading {extends:%j} relative to %s", extendName, ctx.filePath);
+        try {
+            if (extendName.startsWith("eslint:")) {
+                return this._loadExtendedBuiltInConfig(extendName, ctx);
+            }
+            if (extendName.startsWith("plugin:")) {
+                return this._loadExtendedPluginConfig(extendName, ctx);
+            }
+            return this._loadExtendedShareableConfig(extendName, ctx);
+        } catch (error) {
+            error.message += `\nReferenced from: ${ctx.filePath || ctx.name}`;
+            throw error;
+        }
+    }
+
+    /**
+     * Load configs of an element in `extends`.
+     * @param {string} extendName The name of a base config.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    _loadExtendedBuiltInConfig(extendName, ctx) {
+        if (extendName === "eslint:recommended") {
+            return this._loadConfigData({
+                ...ctx,
+                filePath: eslintRecommendedPath,
+                name: `${ctx.name} » ${extendName}`
+            });
+        }
+        if (extendName === "eslint:all") {
+            return this._loadConfigData({
+                ...ctx,
+                filePath: eslintAllPath,
+                name: `${ctx.name} » ${extendName}`
+            });
+        }
+
+        throw configMissingError(extendName, ctx.name);
+    }
+
+    /**
+     * Load configs of an element in `extends`.
+     * @param {string} extendName The name of a base config.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    _loadExtendedPluginConfig(extendName, ctx) {
+        const slashIndex = extendName.lastIndexOf("/");
+        const pluginName = extendName.slice("plugin:".length, slashIndex);
+        const configName = extendName.slice(slashIndex + 1);
+
+        if (isFilePath(pluginName)) {
+            throw new Error("'extends' cannot use a file path for plugins.");
+        }
+
+        const plugin = this._loadPlugin(pluginName, ctx);
+        const configData =
+            plugin.definition &&
+            plugin.definition.configs[configName];
+
+        if (configData) {
+            return this._normalizeConfigData(configData, {
+                ...ctx,
+                filePath: plugin.filePath,
+                name: `${ctx.name} » plugin:${plugin.id}/${configName}`
+            });
+        }
+
+        throw plugin.error || configMissingError(extendName, ctx.filePath);
+    }
+
+    /**
+     * Load configs of an element in `extends`.
+     * @param {string} extendName The name of a base config.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+     * @private
+     */
+    _loadExtendedShareableConfig(extendName, ctx) {
+        const { cwd } = internalSlotsMap.get(this);
+        const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
+        let request;
+
+        if (isFilePath(extendName)) {
+            request = extendName;
+        } else if (extendName.startsWith(".")) {
+            request = `./${extendName}`; // For backward compatibility. A ton of tests depended on this behavior.
+        } else {
+            request = naming.normalizePackageName(
+                extendName,
+                "eslint-config"
+            );
+        }
+
+        let filePath;
+
+        try {
+            filePath = ModuleResolver.resolve(request, relativeTo);
+        } catch (error) {
+            /* istanbul ignore else */
+            if (error && error.code === "MODULE_NOT_FOUND") {
+                throw configMissingError(extendName, ctx.filePath);
+            }
+            throw error;
+        }
+
+        writeDebugLogForLoading(request, relativeTo, filePath);
+        return this._loadConfigData({
+            ...ctx,
+            filePath,
+            name: `${ctx.name} » ${request}`
+        });
+    }
+
+    /**
+     * Load given plugins.
+     * @param {string[]} names The plugin names to load.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {Record<string,DependentPlugin>} The loaded parser.
+     * @private
+     */
+    _loadPlugins(names, ctx) {
+        return names.reduce((map, name) => {
+            if (isFilePath(name)) {
+                throw new Error("Plugins array cannot includes file paths.");
+            }
+            const plugin = this._loadPlugin(name, ctx);
+
+            map[plugin.id] = plugin;
+
+            return map;
+        }, {});
+    }
+
+    /**
+     * Load a given parser.
+     * @param {string} nameOrPath The package name or the path to a parser file.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {DependentParser} The loaded parser.
+     */
+    _loadParser(nameOrPath, ctx) {
+        debug("Loading parser %j from %s", nameOrPath, ctx.filePath);
+
+        const { cwd } = internalSlotsMap.get(this);
+        const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
+
+        try {
+            const filePath = ModuleResolver.resolve(nameOrPath, relativeTo);
+
+            writeDebugLogForLoading(nameOrPath, relativeTo, filePath);
+
+            return new ConfigDependency({
+                definition: require(filePath),
+                filePath,
+                id: nameOrPath,
+                importerName: ctx.name,
+                importerPath: ctx.filePath
+            });
+        } catch (error) {
+
+            // If the parser name is "espree", load the espree of ESLint.
+            if (nameOrPath === "espree") {
+                debug("Fallback espree.");
+                return new ConfigDependency({
+                    definition: require("espree"),
+                    filePath: require.resolve("espree"),
+                    id: nameOrPath,
+                    importerName: ctx.name,
+                    importerPath: ctx.filePath
+                });
+            }
+
+            debug("Failed to load parser '%s' declared in '%s'.", nameOrPath, ctx.name);
+            error.message = `Failed to load parser '${nameOrPath}' declared in '${ctx.name}': ${error.message}`;
+
+            return new ConfigDependency({
+                error,
+                id: nameOrPath,
+                importerName: ctx.name,
+                importerPath: ctx.filePath
+            });
+        }
+    }
+
+    /**
+     * Load a given plugin.
+     * @param {string} name The plugin name to load.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {DependentPlugin} The loaded plugin.
+     * @private
+     */
+    _loadPlugin(name, ctx) {
+        debug("Loading plugin %j from %s", name, ctx.filePath);
+
+        const { additionalPluginPool } = internalSlotsMap.get(this);
+        const request = naming.normalizePackageName(name, "eslint-plugin");
+        const id = naming.getShorthandName(request, "eslint-plugin");
+        const relativeTo = path.join(ctx.pluginBasePath, "__placeholder__.js");
+
+        if (name.match(/\s+/u)) {
+            const error = Object.assign(
+                new Error(`Whitespace found in plugin name '${name}'`),
+                {
+                    messageTemplate: "whitespace-found",
+                    messageData: { pluginName: request }
+                }
+            );
+
+            return new ConfigDependency({
+                error,
+                id,
+                importerName: ctx.name,
+                importerPath: ctx.filePath
+            });
+        }
+
+        // Check for additional pool.
+        const plugin =
+            additionalPluginPool.get(request) ||
+            additionalPluginPool.get(id);
+
+        if (plugin) {
+            return new ConfigDependency({
+                definition: normalizePlugin(plugin),
+                filePath: ctx.filePath,
+                id,
+                importerName: ctx.name,
+                importerPath: ctx.filePath
+            });
+        }
+
+        let filePath;
+        let error;
+
+        try {
+            filePath = ModuleResolver.resolve(request, relativeTo);
+        } catch (resolveError) {
+            error = resolveError;
+            /* istanbul ignore else */
+            if (error && error.code === "MODULE_NOT_FOUND") {
+                error.messageTemplate = "plugin-missing";
+                error.messageData = {
+                    pluginName: request,
+                    resolvePluginsRelativeTo: ctx.pluginBasePath,
+                    importerName: ctx.name
+                };
+            }
+        }
+
+        if (filePath) {
+            try {
+                writeDebugLogForLoading(request, relativeTo, filePath);
+
+                const startTime = Date.now();
+                const pluginDefinition = require(filePath);
+
+                debug(`Plugin ${filePath} loaded in: ${Date.now() - startTime}ms`);
+
+                return new ConfigDependency({
+                    definition: normalizePlugin(pluginDefinition),
+                    filePath,
+                    id,
+                    importerName: ctx.name,
+                    importerPath: ctx.filePath
+                });
+            } catch (loadError) {
+                error = loadError;
+            }
+        }
+
+        debug("Failed to load plugin '%s' declared in '%s'.", name, ctx.name);
+        error.message = `Failed to load plugin '${name}' declared in '${ctx.name}': ${error.message}`;
+        return new ConfigDependency({
+            error,
+            id,
+            importerName: ctx.name,
+            importerPath: ctx.filePath
+        });
+    }
+
+    /**
+     * Take file expression processors as config array elements.
+     * @param {Record<string,DependentPlugin>} plugins The plugin definitions.
+     * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+     * @returns {IterableIterator<ConfigArrayElement>} The config array elements of file expression processors.
+     * @private
+     */
+    *_takeFileExtensionProcessors(plugins, ctx) {
+        for (const pluginId of Object.keys(plugins)) {
+            const processors =
+                plugins[pluginId] &&
+                plugins[pluginId].definition &&
+                plugins[pluginId].definition.processors;
+
+            if (!processors) {
+                continue;
+            }
+
+            for (const processorId of Object.keys(processors)) {
+                if (processorId.startsWith(".")) {
+                    yield* this._normalizeObjectConfigData(
+                        {
+                            files: [`*${processorId}`],
+                            processor: `${pluginId}/${processorId}`
+                        },
+                        {
+                            ...ctx,
+                            type: "implicit-processor",
+                            name: `${ctx.name}#processors["${pluginId}/${processorId}"]`
+                        }
+                    );
+                }
+            }
+        }
+    }
+}
+
+module.exports = { ConfigArrayFactory, createContext };
diff --git a/eslint/lib/cli-engine/config-array/config-array.js b/eslint/lib/cli-engine/config-array/config-array.js
new file mode 100644
index 0000000..b343419
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/config-array.js
@@ -0,0 +1,524 @@
+/**
+ * @fileoverview `ConfigArray` class.
+ *
+ * `ConfigArray` class expresses the full of a configuration. It has the entry
+ * config file, base config files that were extended, loaded parsers, and loaded
+ * plugins.
+ *
+ * `ConfigArray` class provides three properties and two methods.
+ *
+ * - `pluginEnvironments`
+ * - `pluginProcessors`
+ * - `pluginRules`
+ *      The `Map` objects that contain the members of all plugins that this
+ *      config array contains. Those map objects don't have mutation methods.
+ *      Those keys are the member ID such as `pluginId/memberName`.
+ * - `isRoot()`
+ *      If `true` then this configuration has `root:true` property.
+ * - `extractConfig(filePath)`
+ *      Extract the final configuration for a given file. This means merging
+ *      every config array element which that `criteria` property matched. The
+ *      `filePath` argument must be an absolute path.
+ *
+ * `ConfigArrayFactory` provides the loading logic of config files.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { ExtractedConfig } = require("./extracted-config");
+const { IgnorePattern } = require("./ignore-pattern");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+// Define types for VSCode IntelliSense.
+/** @typedef {import("../../shared/types").Environment} Environment */
+/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */
+/** @typedef {import("../../shared/types").RuleConf} RuleConf */
+/** @typedef {import("../../shared/types").Rule} Rule */
+/** @typedef {import("../../shared/types").Plugin} Plugin */
+/** @typedef {import("../../shared/types").Processor} Processor */
+/** @typedef {import("./config-dependency").DependentParser} DependentParser */
+/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */
+/** @typedef {import("./override-tester")["OverrideTester"]} OverrideTester */
+
+/**
+ * @typedef {Object} ConfigArrayElement
+ * @property {string} name The name of this config element.
+ * @property {string} filePath The path to the source file of this config element.
+ * @property {InstanceType<OverrideTester>|null} criteria The tester for the `files` and `excludedFiles` of this config element.
+ * @property {Record<string, boolean>|undefined} env The environment settings.
+ * @property {Record<string, GlobalConf>|undefined} globals The global variable settings.
+ * @property {IgnorePattern|undefined} ignorePattern The ignore patterns.
+ * @property {boolean|undefined} noInlineConfig The flag that disables directive comments.
+ * @property {DependentParser|undefined} parser The parser loader.
+ * @property {Object|undefined} parserOptions The parser options.
+ * @property {Record<string, DependentPlugin>|undefined} plugins The plugin loaders.
+ * @property {string|undefined} processor The processor name to refer plugin's processor.
+ * @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments.
+ * @property {boolean|undefined} root The flag to express root.
+ * @property {Record<string, RuleConf>|undefined} rules The rule settings
+ * @property {Object|undefined} settings The shared settings.
+ * @property {"config" | "ignore" | "implicit-processor"} type The element type.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayInternalSlots
+ * @property {Map<string, ExtractedConfig>} cache The cache to extract configs.
+ * @property {ReadonlyMap<string, Environment>|null} envMap The map from environment ID to environment definition.
+ * @property {ReadonlyMap<string, Processor>|null} processorMap The map from processor ID to environment definition.
+ * @property {ReadonlyMap<string, Rule>|null} ruleMap The map from rule ID to rule definition.
+ */
+
+/** @type {WeakMap<ConfigArray, ConfigArrayInternalSlots>} */
+const internalSlotsMap = new class extends WeakMap {
+    get(key) {
+        let value = super.get(key);
+
+        if (!value) {
+            value = {
+                cache: new Map(),
+                envMap: null,
+                processorMap: null,
+                ruleMap: null
+            };
+            super.set(key, value);
+        }
+
+        return value;
+    }
+}();
+
+/**
+ * Get the indices which are matched to a given file.
+ * @param {ConfigArrayElement[]} elements The elements.
+ * @param {string} filePath The path to a target file.
+ * @returns {number[]} The indices.
+ */
+function getMatchedIndices(elements, filePath) {
+    const indices = [];
+
+    for (let i = elements.length - 1; i >= 0; --i) {
+        const element = elements[i];
+
+        if (!element.criteria || element.criteria.test(filePath)) {
+            indices.push(i);
+        }
+    }
+
+    return indices;
+}
+
+/**
+ * Check if a value is a non-null object.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is a non-null object.
+ */
+function isNonNullObject(x) {
+    return typeof x === "object" && x !== null;
+}
+
+/**
+ * Merge two objects.
+ *
+ * Assign every property values of `y` to `x` if `x` doesn't have the property.
+ * If `x`'s property value is an object, it does recursive.
+ * @param {Object} target The destination to merge
+ * @param {Object|undefined} source The source to merge.
+ * @returns {void}
+ */
+function mergeWithoutOverwrite(target, source) {
+    if (!isNonNullObject(source)) {
+        return;
+    }
+
+    for (const key of Object.keys(source)) {
+        if (key === "__proto__") {
+            continue;
+        }
+
+        if (isNonNullObject(target[key])) {
+            mergeWithoutOverwrite(target[key], source[key]);
+        } else if (target[key] === void 0) {
+            if (isNonNullObject(source[key])) {
+                target[key] = Array.isArray(source[key]) ? [] : {};
+                mergeWithoutOverwrite(target[key], source[key]);
+            } else if (source[key] !== void 0) {
+                target[key] = source[key];
+            }
+        }
+    }
+}
+
+/**
+ * The error for plugin conflicts.
+ */
+class PluginConflictError extends Error {
+
+    /**
+     * Initialize this error object.
+     * @param {string} pluginId The plugin ID.
+     * @param {{filePath:string, importerName:string}[]} plugins The resolved plugins.
+     */
+    constructor(pluginId, plugins) {
+        super(`Plugin "${pluginId}" was conflicted between ${plugins.map(p => `"${p.importerName}"`).join(" and ")}.`);
+        this.messageTemplate = "plugin-conflict";
+        this.messageData = { pluginId, plugins };
+    }
+}
+
+/**
+ * Merge plugins.
+ * `target`'s definition is prior to `source`'s.
+ * @param {Record<string, DependentPlugin>} target The destination to merge
+ * @param {Record<string, DependentPlugin>|undefined} source The source to merge.
+ * @returns {void}
+ */
+function mergePlugins(target, source) {
+    if (!isNonNullObject(source)) {
+        return;
+    }
+
+    for (const key of Object.keys(source)) {
+        if (key === "__proto__") {
+            continue;
+        }
+        const targetValue = target[key];
+        const sourceValue = source[key];
+
+        // Adopt the plugin which was found at first.
+        if (targetValue === void 0) {
+            if (sourceValue.error) {
+                throw sourceValue.error;
+            }
+            target[key] = sourceValue;
+        } else if (sourceValue.filePath !== targetValue.filePath) {
+            throw new PluginConflictError(key, [
+                {
+                    filePath: targetValue.filePath,
+                    importerName: targetValue.importerName
+                },
+                {
+                    filePath: sourceValue.filePath,
+                    importerName: sourceValue.importerName
+                }
+            ]);
+        }
+    }
+}
+
+/**
+ * Merge rule configs.
+ * `target`'s definition is prior to `source`'s.
+ * @param {Record<string, Array>} target The destination to merge
+ * @param {Record<string, RuleConf>|undefined} source The source to merge.
+ * @returns {void}
+ */
+function mergeRuleConfigs(target, source) {
+    if (!isNonNullObject(source)) {
+        return;
+    }
+
+    for (const key of Object.keys(source)) {
+        if (key === "__proto__") {
+            continue;
+        }
+        const targetDef = target[key];
+        const sourceDef = source[key];
+
+        // Adopt the rule config which was found at first.
+        if (targetDef === void 0) {
+            if (Array.isArray(sourceDef)) {
+                target[key] = [...sourceDef];
+            } else {
+                target[key] = [sourceDef];
+            }
+
+        /*
+         * If the first found rule config is severity only and the current rule
+         * config has options, merge the severity and the options.
+         */
+        } else if (
+            targetDef.length === 1 &&
+            Array.isArray(sourceDef) &&
+            sourceDef.length >= 2
+        ) {
+            targetDef.push(...sourceDef.slice(1));
+        }
+    }
+}
+
+/**
+ * Create the extracted config.
+ * @param {ConfigArray} instance The config elements.
+ * @param {number[]} indices The indices to use.
+ * @returns {ExtractedConfig} The extracted config.
+ */
+function createConfig(instance, indices) {
+    const config = new ExtractedConfig();
+    const ignorePatterns = [];
+
+    // Merge elements.
+    for (const index of indices) {
+        const element = instance[index];
+
+        // Adopt the parser which was found at first.
+        if (!config.parser && element.parser) {
+            if (element.parser.error) {
+                throw element.parser.error;
+            }
+            config.parser = element.parser;
+        }
+
+        // Adopt the processor which was found at first.
+        if (!config.processor && element.processor) {
+            config.processor = element.processor;
+        }
+
+        // Adopt the noInlineConfig which was found at first.
+        if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) {
+            config.noInlineConfig = element.noInlineConfig;
+            config.configNameOfNoInlineConfig = element.name;
+        }
+
+        // Adopt the reportUnusedDisableDirectives which was found at first.
+        if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) {
+            config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives;
+        }
+
+        // Collect ignorePatterns
+        if (element.ignorePattern) {
+            ignorePatterns.push(element.ignorePattern);
+        }
+
+        // Merge others.
+        mergeWithoutOverwrite(config.env, element.env);
+        mergeWithoutOverwrite(config.globals, element.globals);
+        mergeWithoutOverwrite(config.parserOptions, element.parserOptions);
+        mergeWithoutOverwrite(config.settings, element.settings);
+        mergePlugins(config.plugins, element.plugins);
+        mergeRuleConfigs(config.rules, element.rules);
+    }
+
+    // Create the predicate function for ignore patterns.
+    if (ignorePatterns.length > 0) {
+        config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse());
+    }
+
+    return config;
+}
+
+/**
+ * Collect definitions.
+ * @template T, U
+ * @param {string} pluginId The plugin ID for prefix.
+ * @param {Record<string,T>} defs The definitions to collect.
+ * @param {Map<string, U>} map The map to output.
+ * @param {function(T): U} [normalize] The normalize function for each value.
+ * @returns {void}
+ */
+function collect(pluginId, defs, map, normalize) {
+    if (defs) {
+        const prefix = pluginId && `${pluginId}/`;
+
+        for (const [key, value] of Object.entries(defs)) {
+            map.set(
+                `${prefix}${key}`,
+                normalize ? normalize(value) : value
+            );
+        }
+    }
+}
+
+/**
+ * Normalize a rule definition.
+ * @param {Function|Rule} rule The rule definition to normalize.
+ * @returns {Rule} The normalized rule definition.
+ */
+function normalizePluginRule(rule) {
+    return typeof rule === "function" ? { create: rule } : rule;
+}
+
+/**
+ * Delete the mutation methods from a given map.
+ * @param {Map<any, any>} map The map object to delete.
+ * @returns {void}
+ */
+function deleteMutationMethods(map) {
+    Object.defineProperties(map, {
+        clear: { configurable: true, value: void 0 },
+        delete: { configurable: true, value: void 0 },
+        set: { configurable: true, value: void 0 }
+    });
+}
+
+/**
+ * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
+ * @param {ConfigArrayElement[]} elements The config elements.
+ * @param {ConfigArrayInternalSlots} slots The internal slots.
+ * @returns {void}
+ */
+function initPluginMemberMaps(elements, slots) {
+    const processed = new Set();
+
+    slots.envMap = new Map();
+    slots.processorMap = new Map();
+    slots.ruleMap = new Map();
+
+    for (const element of elements) {
+        if (!element.plugins) {
+            continue;
+        }
+
+        for (const [pluginId, value] of Object.entries(element.plugins)) {
+            const plugin = value.definition;
+
+            if (!plugin || processed.has(pluginId)) {
+                continue;
+            }
+            processed.add(pluginId);
+
+            collect(pluginId, plugin.environments, slots.envMap);
+            collect(pluginId, plugin.processors, slots.processorMap);
+            collect(pluginId, plugin.rules, slots.ruleMap, normalizePluginRule);
+        }
+    }
+
+    deleteMutationMethods(slots.envMap);
+    deleteMutationMethods(slots.processorMap);
+    deleteMutationMethods(slots.ruleMap);
+}
+
+/**
+ * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
+ * @param {ConfigArray} instance The config elements.
+ * @returns {ConfigArrayInternalSlots} The extracted config.
+ */
+function ensurePluginMemberMaps(instance) {
+    const slots = internalSlotsMap.get(instance);
+
+    if (!slots.ruleMap) {
+        initPluginMemberMaps(instance, slots);
+    }
+
+    return slots;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The Config Array.
+ *
+ * `ConfigArray` instance contains all settings, parsers, and plugins.
+ * You need to call `ConfigArray#extractConfig(filePath)` method in order to
+ * extract, merge and get only the config data which is related to an arbitrary
+ * file.
+ * @extends {Array<ConfigArrayElement>}
+ */
+class ConfigArray extends Array {
+
+    /**
+     * Get the plugin environments.
+     * The returned map cannot be mutated.
+     * @type {ReadonlyMap<string, Environment>} The plugin environments.
+     */
+    get pluginEnvironments() {
+        return ensurePluginMemberMaps(this).envMap;
+    }
+
+    /**
+     * Get the plugin processors.
+     * The returned map cannot be mutated.
+     * @type {ReadonlyMap<string, Processor>} The plugin processors.
+     */
+    get pluginProcessors() {
+        return ensurePluginMemberMaps(this).processorMap;
+    }
+
+    /**
+     * Get the plugin rules.
+     * The returned map cannot be mutated.
+     * @returns {ReadonlyMap<string, Rule>} The plugin rules.
+     */
+    get pluginRules() {
+        return ensurePluginMemberMaps(this).ruleMap;
+    }
+
+    /**
+     * Check if this config has `root` flag.
+     * @returns {boolean} `true` if this config array is root.
+     */
+    isRoot() {
+        for (let i = this.length - 1; i >= 0; --i) {
+            const root = this[i].root;
+
+            if (typeof root === "boolean") {
+                return root;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Extract the config data which is related to a given file.
+     * @param {string} filePath The absolute path to the target file.
+     * @returns {ExtractedConfig} The extracted config data.
+     */
+    extractConfig(filePath) {
+        const { cache } = internalSlotsMap.get(this);
+        const indices = getMatchedIndices(this, filePath);
+        const cacheKey = indices.join(",");
+
+        if (!cache.has(cacheKey)) {
+            cache.set(cacheKey, createConfig(this, indices));
+        }
+
+        return cache.get(cacheKey);
+    }
+
+    /**
+     * Check if a given path is an additional lint target.
+     * @param {string} filePath The absolute path to the target file.
+     * @returns {boolean} `true` if the file is an additional lint target.
+     */
+    isAdditionalTargetPath(filePath) {
+        for (const { criteria, type } of this) {
+            if (
+                type === "config" &&
+                criteria &&
+                !criteria.endsWithWildcard &&
+                criteria.test(filePath)
+            ) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
+
+const exportObject = {
+    ConfigArray,
+
+    /**
+     * Get the used extracted configs.
+     * CLIEngine will use this method to collect used deprecated rules.
+     * @param {ConfigArray} instance The config array object to get.
+     * @returns {ExtractedConfig[]} The used extracted configs.
+     * @private
+     */
+    getUsedExtractedConfigs(instance) {
+        const { cache } = internalSlotsMap.get(instance);
+
+        return Array.from(cache.values());
+    }
+};
+
+module.exports = exportObject;
diff --git a/eslint/lib/cli-engine/config-array/config-dependency.js b/eslint/lib/cli-engine/config-array/config-dependency.js
new file mode 100644
index 0000000..0d5f6f7
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/config-dependency.js
@@ -0,0 +1,116 @@
+/**
+ * @fileoverview `ConfigDependency` class.
+ *
+ * `ConfigDependency` class expresses a loaded parser or plugin.
+ *
+ * If the parser or plugin was loaded successfully, it has `definition` property
+ * and `filePath` property. Otherwise, it has `error` property.
+ *
+ * When `JSON.stringify()` converted a `ConfigDependency` object to a JSON, it
+ * omits `definition` property.
+ *
+ * `ConfigArrayFactory` creates `ConfigDependency` objects when it loads parsers
+ * or plugins.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const util = require("util");
+
+/**
+ * The class is to store parsers or plugins.
+ * This class hides the loaded object from `JSON.stringify()` and `console.log`.
+ * @template T
+ */
+class ConfigDependency {
+
+    /**
+     * Initialize this instance.
+     * @param {Object} data The dependency data.
+     * @param {T} [data.definition] The dependency if the loading succeeded.
+     * @param {Error} [data.error] The error object if the loading failed.
+     * @param {string} [data.filePath] The actual path to the dependency if the loading succeeded.
+     * @param {string} data.id The ID of this dependency.
+     * @param {string} data.importerName The name of the config file which loads this dependency.
+     * @param {string} data.importerPath The path to the config file which loads this dependency.
+     */
+    constructor({
+        definition = null,
+        error = null,
+        filePath = null,
+        id,
+        importerName,
+        importerPath
+    }) {
+
+        /**
+         * The loaded dependency if the loading succeeded.
+         * @type {T|null}
+         */
+        this.definition = definition;
+
+        /**
+         * The error object if the loading failed.
+         * @type {Error|null}
+         */
+        this.error = error;
+
+        /**
+         * The loaded dependency if the loading succeeded.
+         * @type {string|null}
+         */
+        this.filePath = filePath;
+
+        /**
+         * The ID of this dependency.
+         * @type {string}
+         */
+        this.id = id;
+
+        /**
+         * The name of the config file which loads this dependency.
+         * @type {string}
+         */
+        this.importerName = importerName;
+
+        /**
+         * The path to the config file which loads this dependency.
+         * @type {string}
+         */
+        this.importerPath = importerPath;
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {Object} a JSON compatible object.
+     */
+    toJSON() {
+        const obj = this[util.inspect.custom]();
+
+        // Display `error.message` (`Error#message` is unenumerable).
+        if (obj.error instanceof Error) {
+            obj.error = { ...obj.error, message: obj.error.message };
+        }
+
+        return obj;
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {Object} an object to display by `console.log()`.
+     */
+    [util.inspect.custom]() {
+        const {
+            definition: _ignore, // eslint-disable-line no-unused-vars
+            ...obj
+        } = this;
+
+        return obj;
+    }
+}
+
+/** @typedef {ConfigDependency<import("../../shared/types").Parser>} DependentParser */
+/** @typedef {ConfigDependency<import("../../shared/types").Plugin>} DependentPlugin */
+
+module.exports = { ConfigDependency };
diff --git a/eslint/lib/cli-engine/config-array/extracted-config.js b/eslint/lib/cli-engine/config-array/extracted-config.js
new file mode 100644
index 0000000..b27d6ff
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/extracted-config.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview `ExtractedConfig` class.
+ *
+ * `ExtractedConfig` class expresses a final configuration for a specific file.
+ *
+ * It provides one method.
+ *
+ * - `toCompatibleObjectAsConfigFileContent()`
+ *      Convert this configuration to the compatible object as the content of
+ *      config files. It converts the loaded parser and plugins to strings.
+ *      `CLIEngine#getConfigForFile(filePath)` method uses this method.
+ *
+ * `ConfigArray#extractConfig(filePath)` creates a `ExtractedConfig` instance.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const { IgnorePattern } = require("./ignore-pattern");
+
+// For VSCode intellisense
+/** @typedef {import("../../shared/types").ConfigData} ConfigData */
+/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */
+/** @typedef {import("../../shared/types").SeverityConf} SeverityConf */
+/** @typedef {import("./config-dependency").DependentParser} DependentParser */
+/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */
+
+/**
+ * Check if `xs` starts with `ys`.
+ * @template T
+ * @param {T[]} xs The array to check.
+ * @param {T[]} ys The array that may be the first part of `xs`.
+ * @returns {boolean} `true` if `xs` starts with `ys`.
+ */
+function startsWith(xs, ys) {
+    return xs.length >= ys.length && ys.every((y, i) => y === xs[i]);
+}
+
+/**
+ * The class for extracted config data.
+ */
+class ExtractedConfig {
+    constructor() {
+
+        /**
+         * The config name what `noInlineConfig` setting came from.
+         * @type {string}
+         */
+        this.configNameOfNoInlineConfig = "";
+
+        /**
+         * Environments.
+         * @type {Record<string, boolean>}
+         */
+        this.env = {};
+
+        /**
+         * Global variables.
+         * @type {Record<string, GlobalConf>}
+         */
+        this.globals = {};
+
+        /**
+         * The glob patterns that ignore to lint.
+         * @type {(((filePath:string, dot?:boolean) => boolean) & { basePath:string; patterns:string[] }) | undefined}
+         */
+        this.ignores = void 0;
+
+        /**
+         * The flag that disables directive comments.
+         * @type {boolean|undefined}
+         */
+        this.noInlineConfig = void 0;
+
+        /**
+         * Parser definition.
+         * @type {DependentParser|null}
+         */
+        this.parser = null;
+
+        /**
+         * Options for the parser.
+         * @type {Object}
+         */
+        this.parserOptions = {};
+
+        /**
+         * Plugin definitions.
+         * @type {Record<string, DependentPlugin>}
+         */
+        this.plugins = {};
+
+        /**
+         * Processor ID.
+         * @type {string|null}
+         */
+        this.processor = null;
+
+        /**
+         * The flag that reports unused `eslint-disable` directive comments.
+         * @type {boolean|undefined}
+         */
+        this.reportUnusedDisableDirectives = void 0;
+
+        /**
+         * Rule settings.
+         * @type {Record<string, [SeverityConf, ...any[]]>}
+         */
+        this.rules = {};
+
+        /**
+         * Shared settings.
+         * @type {Object}
+         */
+        this.settings = {};
+    }
+
+    /**
+     * Convert this config to the compatible object as a config file content.
+     * @returns {ConfigData} The converted object.
+     */
+    toCompatibleObjectAsConfigFileContent() {
+        const {
+            /* eslint-disable no-unused-vars */
+            configNameOfNoInlineConfig: _ignore1,
+            processor: _ignore2,
+            /* eslint-enable no-unused-vars */
+            ignores,
+            ...config
+        } = this;
+
+        config.parser = config.parser && config.parser.filePath;
+        config.plugins = Object.keys(config.plugins).filter(Boolean).reverse();
+        config.ignorePatterns = ignores ? ignores.patterns : [];
+
+        // Strip the default patterns from `ignorePatterns`.
+        if (startsWith(config.ignorePatterns, IgnorePattern.DefaultPatterns)) {
+            config.ignorePatterns =
+                config.ignorePatterns.slice(IgnorePattern.DefaultPatterns.length);
+        }
+
+        return config;
+    }
+}
+
+module.exports = { ExtractedConfig };
diff --git a/eslint/lib/cli-engine/config-array/ignore-pattern.js b/eslint/lib/cli-engine/config-array/ignore-pattern.js
new file mode 100644
index 0000000..92690b9
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/ignore-pattern.js
@@ -0,0 +1,231 @@
+/**
+ * @fileoverview `IgnorePattern` class.
+ *
+ * `IgnorePattern` class has the set of glob patterns and the base path.
+ *
+ * It provides two static methods.
+ *
+ * - `IgnorePattern.createDefaultIgnore(cwd)`
+ *      Create the default predicate function.
+ * - `IgnorePattern.createIgnore(ignorePatterns)`
+ *      Create the predicate function from multiple `IgnorePattern` objects.
+ *
+ * It provides two properties and a method.
+ *
+ * - `patterns`
+ *      The glob patterns that ignore to lint.
+ * - `basePath`
+ *      The base path of the glob patterns. If absolute paths existed in the
+ *      glob patterns, those are handled as relative paths to the base path.
+ * - `getPatternsRelativeTo(basePath)`
+ *      Get `patterns` as modified for a given base path. It modifies the
+ *      absolute paths in the patterns as prepending the difference of two base
+ *      paths.
+ *
+ * `ConfigArrayFactory` creates `IgnorePattern` objects when it processes
+ * `ignorePatterns` properties.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert");
+const path = require("path");
+const ignore = require("ignore");
+const debug = require("debug")("eslint:ignore-pattern");
+
+/** @typedef {ReturnType<import("ignore").default>} Ignore */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the path to the common ancestor directory of given paths.
+ * @param {string[]} sourcePaths The paths to calculate the common ancestor.
+ * @returns {string} The path to the common ancestor directory.
+ */
+function getCommonAncestorPath(sourcePaths) {
+    let result = sourcePaths[0];
+
+    for (let i = 1; i < sourcePaths.length; ++i) {
+        const a = result;
+        const b = sourcePaths[i];
+
+        // Set the shorter one (it's the common ancestor if one includes the other).
+        result = a.length < b.length ? a : b;
+
+        // Set the common ancestor.
+        for (let j = 0, lastSepPos = 0; j < a.length && j < b.length; ++j) {
+            if (a[j] !== b[j]) {
+                result = a.slice(0, lastSepPos);
+                break;
+            }
+            if (a[j] === path.sep) {
+                lastSepPos = j;
+            }
+        }
+    }
+
+    return result || path.sep;
+}
+
+/**
+ * Make relative path.
+ * @param {string} from The source path to get relative path.
+ * @param {string} to The destination path to get relative path.
+ * @returns {string} The relative path.
+ */
+function relative(from, to) {
+    const relPath = path.relative(from, to);
+
+    if (path.sep === "/") {
+        return relPath;
+    }
+    return relPath.split(path.sep).join("/");
+}
+
+/**
+ * Get the trailing slash if existed.
+ * @param {string} filePath The path to check.
+ * @returns {string} The trailing slash if existed.
+ */
+function dirSuffix(filePath) {
+    const isDir = (
+        filePath.endsWith(path.sep) ||
+        (process.platform === "win32" && filePath.endsWith("/"))
+    );
+
+    return isDir ? "/" : "";
+}
+
+const DefaultPatterns = Object.freeze(["/**/node_modules/*"]);
+const DotPatterns = Object.freeze([".*", "!.eslintrc.*", "!../"]);
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+class IgnorePattern {
+
+    /**
+     * The default patterns.
+     * @type {string[]}
+     */
+    static get DefaultPatterns() {
+        return DefaultPatterns;
+    }
+
+    /**
+     * Create the default predicate function.
+     * @param {string} cwd The current working directory.
+     * @returns {((filePath:string, dot:boolean) => boolean) & {basePath:string; patterns:string[]}}
+     * The preficate function.
+     * The first argument is an absolute path that is checked.
+     * The second argument is the flag to not ignore dotfiles.
+     * If the predicate function returned `true`, it means the path should be ignored.
+     */
+    static createDefaultIgnore(cwd) {
+        return this.createIgnore([new IgnorePattern(DefaultPatterns, cwd)]);
+    }
+
+    /**
+     * Create the predicate function from multiple `IgnorePattern` objects.
+     * @param {IgnorePattern[]} ignorePatterns The list of ignore patterns.
+     * @returns {((filePath:string, dot?:boolean) => boolean) & {basePath:string; patterns:string[]}}
+     * The preficate function.
+     * The first argument is an absolute path that is checked.
+     * The second argument is the flag to not ignore dotfiles.
+     * If the predicate function returned `true`, it means the path should be ignored.
+     */
+    static createIgnore(ignorePatterns) {
+        debug("Create with: %o", ignorePatterns);
+
+        const basePath = getCommonAncestorPath(ignorePatterns.map(p => p.basePath));
+        const patterns = [].concat(
+            ...ignorePatterns.map(p => p.getPatternsRelativeTo(basePath))
+        );
+        const ig = ignore().add([...DotPatterns, ...patterns]);
+        const dotIg = ignore().add(patterns);
+
+        debug("  processed: %o", { basePath, patterns });
+
+        return Object.assign(
+            (filePath, dot = false) => {
+                assert(path.isAbsolute(filePath), "'filePath' should be an absolute path.");
+                const relPathRaw = relative(basePath, filePath);
+                const relPath = relPathRaw && (relPathRaw + dirSuffix(filePath));
+                const adoptedIg = dot ? dotIg : ig;
+                const result = relPath !== "" && adoptedIg.ignores(relPath);
+
+                debug("Check", { filePath, dot, relativePath: relPath, result });
+                return result;
+            },
+            { basePath, patterns }
+        );
+    }
+
+    /**
+     * Initialize a new `IgnorePattern` instance.
+     * @param {string[]} patterns The glob patterns that ignore to lint.
+     * @param {string} basePath The base path of `patterns`.
+     */
+    constructor(patterns, basePath) {
+        assert(path.isAbsolute(basePath), "'basePath' should be an absolute path.");
+
+        /**
+         * The glob patterns that ignore to lint.
+         * @type {string[]}
+         */
+        this.patterns = patterns;
+
+        /**
+         * The base path of `patterns`.
+         * @type {string}
+         */
+        this.basePath = basePath;
+
+        /**
+         * If `true` then patterns which don't start with `/` will match the paths to the outside of `basePath`. Defaults to `false`.
+         *
+         * It's set `true` for `.eslintignore`, `package.json`, and `--ignore-path` for backward compatibility.
+         * It's `false` as-is for `ignorePatterns` property in config files.
+         * @type {boolean}
+         */
+        this.loose = false;
+    }
+
+    /**
+     * Get `patterns` as modified for a given base path. It modifies the
+     * absolute paths in the patterns as prepending the difference of two base
+     * paths.
+     * @param {string} newBasePath The base path.
+     * @returns {string[]} Modifired patterns.
+     */
+    getPatternsRelativeTo(newBasePath) {
+        assert(path.isAbsolute(newBasePath), "'newBasePath' should be an absolute path.");
+        const { basePath, loose, patterns } = this;
+
+        if (newBasePath === basePath) {
+            return patterns;
+        }
+        const prefix = `/${relative(newBasePath, basePath)}`;
+
+        return patterns.map(pattern => {
+            const negative = pattern.startsWith("!");
+            const head = negative ? "!" : "";
+            const body = negative ? pattern.slice(1) : pattern;
+
+            if (body.startsWith("/") || body.startsWith("../")) {
+                return `${head}${prefix}${body}`;
+            }
+            return loose ? pattern : `${head}${prefix}/**/${body}`;
+        });
+    }
+}
+
+module.exports = { IgnorePattern };
diff --git a/eslint/lib/cli-engine/config-array/index.js b/eslint/lib/cli-engine/config-array/index.js
new file mode 100644
index 0000000..928d76c
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/index.js
@@ -0,0 +1,20 @@
+/**
+ * @fileoverview `ConfigArray` class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const { ConfigArray, getUsedExtractedConfigs } = require("./config-array");
+const { ConfigDependency } = require("./config-dependency");
+const { ExtractedConfig } = require("./extracted-config");
+const { IgnorePattern } = require("./ignore-pattern");
+const { OverrideTester } = require("./override-tester");
+
+module.exports = {
+    ConfigArray,
+    ConfigDependency,
+    ExtractedConfig,
+    IgnorePattern,
+    OverrideTester,
+    getUsedExtractedConfigs
+};
diff --git a/eslint/lib/cli-engine/config-array/override-tester.js b/eslint/lib/cli-engine/config-array/override-tester.js
new file mode 100644
index 0000000..e7ba120
--- /dev/null
+++ b/eslint/lib/cli-engine/config-array/override-tester.js
@@ -0,0 +1,223 @@
+/**
+ * @fileoverview `OverrideTester` class.
+ *
+ * `OverrideTester` class handles `files` property and `excludedFiles` property
+ * of `overrides` config.
+ *
+ * It provides one method.
+ *
+ * - `test(filePath)`
+ *      Test if a file path matches the pair of `files` property and
+ *      `excludedFiles` property. The `filePath` argument must be an absolute
+ *      path.
+ *
+ * `ConfigArrayFactory` creates `OverrideTester` objects when it processes
+ * `overrides` properties.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const assert = require("assert");
+const path = require("path");
+const util = require("util");
+const { Minimatch } = require("minimatch");
+const minimatchOpts = { dot: true, matchBase: true };
+
+/**
+ * @typedef {Object} Pattern
+ * @property {InstanceType<Minimatch>[] | null} includes The positive matchers.
+ * @property {InstanceType<Minimatch>[] | null} excludes The negative matchers.
+ */
+
+/**
+ * Normalize a given pattern to an array.
+ * @param {string|string[]|undefined} patterns A glob pattern or an array of glob patterns.
+ * @returns {string[]|null} Normalized patterns.
+ * @private
+ */
+function normalizePatterns(patterns) {
+    if (Array.isArray(patterns)) {
+        return patterns.filter(Boolean);
+    }
+    if (typeof patterns === "string" && patterns) {
+        return [patterns];
+    }
+    return [];
+}
+
+/**
+ * Create the matchers of given patterns.
+ * @param {string[]} patterns The patterns.
+ * @returns {InstanceType<Minimatch>[] | null} The matchers.
+ */
+function toMatcher(patterns) {
+    if (patterns.length === 0) {
+        return null;
+    }
+    return patterns.map(pattern => {
+        if (/^\.[/\\]/u.test(pattern)) {
+            return new Minimatch(
+                pattern.slice(2),
+
+                // `./*.js` should not match with `subdir/foo.js`
+                { ...minimatchOpts, matchBase: false }
+            );
+        }
+        return new Minimatch(pattern, minimatchOpts);
+    });
+}
+
+/**
+ * Convert a given matcher to string.
+ * @param {Pattern} matchers The matchers.
+ * @returns {string} The string expression of the matcher.
+ */
+function patternToJson({ includes, excludes }) {
+    return {
+        includes: includes && includes.map(m => m.pattern),
+        excludes: excludes && excludes.map(m => m.pattern)
+    };
+}
+
+/**
+ * The class to test given paths are matched by the patterns.
+ */
+class OverrideTester {
+
+    /**
+     * Create a tester with given criteria.
+     * If there are no criteria, returns `null`.
+     * @param {string|string[]} files The glob patterns for included files.
+     * @param {string|string[]} excludedFiles The glob patterns for excluded files.
+     * @param {string} basePath The path to the base directory to test paths.
+     * @returns {OverrideTester|null} The created instance or `null`.
+     */
+    static create(files, excludedFiles, basePath) {
+        const includePatterns = normalizePatterns(files);
+        const excludePatterns = normalizePatterns(excludedFiles);
+        let endsWithWildcard = false;
+
+        if (includePatterns.length === 0) {
+            return null;
+        }
+
+        // Rejects absolute paths or relative paths to parents.
+        for (const pattern of includePatterns) {
+            if (path.isAbsolute(pattern) || pattern.includes("..")) {
+                throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`);
+            }
+            if (pattern.endsWith("*")) {
+                endsWithWildcard = true;
+            }
+        }
+        for (const pattern of excludePatterns) {
+            if (path.isAbsolute(pattern) || pattern.includes("..")) {
+                throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`);
+            }
+        }
+
+        const includes = toMatcher(includePatterns);
+        const excludes = toMatcher(excludePatterns);
+
+        return new OverrideTester(
+            [{ includes, excludes }],
+            basePath,
+            endsWithWildcard
+        );
+    }
+
+    /**
+     * Combine two testers by logical and.
+     * If either of the testers was `null`, returns the other tester.
+     * The `basePath` property of the two must be the same value.
+     * @param {OverrideTester|null} a A tester.
+     * @param {OverrideTester|null} b Another tester.
+     * @returns {OverrideTester|null} Combined tester.
+     */
+    static and(a, b) {
+        if (!b) {
+            return a && new OverrideTester(
+                a.patterns,
+                a.basePath,
+                a.endsWithWildcard
+            );
+        }
+        if (!a) {
+            return new OverrideTester(
+                b.patterns,
+                b.basePath,
+                b.endsWithWildcard
+            );
+        }
+
+        assert.strictEqual(a.basePath, b.basePath);
+        return new OverrideTester(
+            a.patterns.concat(b.patterns),
+            a.basePath,
+            a.endsWithWildcard || b.endsWithWildcard
+        );
+    }
+
+    /**
+     * Initialize this instance.
+     * @param {Pattern[]} patterns The matchers.
+     * @param {string} basePath The base path.
+     * @param {boolean} endsWithWildcard If `true` then a pattern ends with `*`.
+     */
+    constructor(patterns, basePath, endsWithWildcard = false) {
+
+        /** @type {Pattern[]} */
+        this.patterns = patterns;
+
+        /** @type {string} */
+        this.basePath = basePath;
+
+        /** @type {boolean} */
+        this.endsWithWildcard = endsWithWildcard;
+    }
+
+    /**
+     * Test if a given path is matched or not.
+     * @param {string} filePath The absolute path to the target file.
+     * @returns {boolean} `true` if the path was matched.
+     */
+    test(filePath) {
+        if (typeof filePath !== "string" || !path.isAbsolute(filePath)) {
+            throw new Error(`'filePath' should be an absolute path, but got ${filePath}.`);
+        }
+        const relativePath = path.relative(this.basePath, filePath);
+
+        return this.patterns.every(({ includes, excludes }) => (
+            (!includes || includes.some(m => m.match(relativePath))) &&
+            (!excludes || !excludes.some(m => m.match(relativePath)))
+        ));
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {Object} a JSON compatible object.
+     */
+    toJSON() {
+        if (this.patterns.length === 1) {
+            return {
+                ...patternToJson(this.patterns[0]),
+                basePath: this.basePath
+            };
+        }
+        return {
+            AND: this.patterns.map(patternToJson),
+            basePath: this.basePath
+        };
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {Object} an object to display by `console.log()`.
+     */
+    [util.inspect.custom]() {
+        return this.toJSON();
+    }
+}
+
+module.exports = { OverrideTester };
diff --git a/eslint/lib/cli-engine/file-enumerator.js b/eslint/lib/cli-engine/file-enumerator.js
new file mode 100644
index 0000000..7c433d3
--- /dev/null
+++ b/eslint/lib/cli-engine/file-enumerator.js
@@ -0,0 +1,528 @@
+/**
+ * @fileoverview `FileEnumerator` class.
+ *
+ * `FileEnumerator` class has two responsibilities:
+ *
+ * 1. Find target files by processing glob patterns.
+ * 2. Tie each target file and appropriate configuration.
+ *
+ * It provides a method:
+ *
+ * - `iterateFiles(patterns)`
+ *     Iterate files which are matched by given patterns together with the
+ *     corresponded configuration. This is for `CLIEngine#executeOnFiles()`.
+ *     While iterating files, it loads the configuration file of each directory
+ *     before iterate files on the directory, so we can use the configuration
+ *     files to determine target files.
+ *
+ * @example
+ * const enumerator = new FileEnumerator();
+ * const linter = new Linter();
+ *
+ * for (const { config, filePath } of enumerator.iterateFiles(["*.js"])) {
+ *     const code = fs.readFileSync(filePath, "utf8");
+ *     const messages = linter.verify(code, config, filePath);
+ *
+ *     console.log(messages);
+ * }
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs");
+const path = require("path");
+const getGlobParent = require("glob-parent");
+const isGlob = require("is-glob");
+const { escapeRegExp } = require("lodash");
+const { Minimatch } = require("minimatch");
+const { IgnorePattern } = require("./config-array");
+const { CascadingConfigArrayFactory } = require("./cascading-config-array-factory");
+const debug = require("debug")("eslint:file-enumerator");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const minimatchOpts = { dot: true, matchBase: true };
+const dotfilesPattern = /(?:(?:^\.)|(?:[/\\]\.))[^/\\.].*/u;
+const NONE = 0;
+const IGNORED_SILENTLY = 1;
+const IGNORED = 2;
+
+// For VSCode intellisense
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+
+/**
+ * @typedef {Object} FileEnumeratorOptions
+ * @property {CascadingConfigArrayFactory} [configArrayFactory] The factory for config arrays.
+ * @property {string} [cwd] The base directory to start lookup.
+ * @property {string[]} [extensions] The extensions to match files for directory patterns.
+ * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} [ignore] The flag to check ignored files.
+ * @property {string[]} [rulePaths] The value of `--rulesdir` option.
+ */
+
+/**
+ * @typedef {Object} FileAndConfig
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {boolean} ignored If `true` then this file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEntry
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {NONE|IGNORED_SILENTLY|IGNORED} flag The flag.
+ * - `NONE` means the file is a target file.
+ * - `IGNORED_SILENTLY` means the file should be ignored silently.
+ * - `IGNORED` means the file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEnumeratorInternalSlots
+ * @property {CascadingConfigArrayFactory} configArrayFactory The factory for config arrays.
+ * @property {string} cwd The base directory to start lookup.
+ * @property {RegExp|null} extensionRegExp The RegExp to test if a string ends with specific file extensions.
+ * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} ignoreFlag The flag to check ignored files.
+ * @property {(filePath:string, dot:boolean) => boolean} defaultIgnores The default predicate function to ignore files.
+ */
+
+/** @type {WeakMap<FileEnumerator, FileEnumeratorInternalSlots>} */
+const internalSlotsMap = new WeakMap();
+
+/**
+ * Check if a string is a glob pattern or not.
+ * @param {string} pattern A glob pattern.
+ * @returns {boolean} `true` if the string is a glob pattern.
+ */
+function isGlobPattern(pattern) {
+    return isGlob(path.sep === "\\" ? pattern.replace(/\\/gu, "/") : pattern);
+}
+
+/**
+ * Get stats of a given path.
+ * @param {string} filePath The path to target file.
+ * @returns {fs.Stats|null} The stats.
+ * @private
+ */
+function statSafeSync(filePath) {
+    try {
+        return fs.statSync(filePath);
+    } catch (error) {
+        /* istanbul ignore next */
+        if (error.code !== "ENOENT") {
+            throw error;
+        }
+        return null;
+    }
+}
+
+/**
+ * Get filenames in a given path to a directory.
+ * @param {string} directoryPath The path to target directory.
+ * @returns {import("fs").Dirent[]} The filenames.
+ * @private
+ */
+function readdirSafeSync(directoryPath) {
+    try {
+        return fs.readdirSync(directoryPath, { withFileTypes: true });
+    } catch (error) {
+        /* istanbul ignore next */
+        if (error.code !== "ENOENT") {
+            throw error;
+        }
+        return [];
+    }
+}
+
+/**
+ * Create a `RegExp` object to detect extensions.
+ * @param {string[] | null} extensions The extensions to create.
+ * @returns {RegExp | null} The created `RegExp` object or null.
+ */
+function createExtensionRegExp(extensions) {
+    if (extensions) {
+        const normalizedExts = extensions.map(ext => escapeRegExp(
+            ext.startsWith(".")
+                ? ext.slice(1)
+                : ext
+        ));
+
+        return new RegExp(
+            `.\\.(?:${normalizedExts.join("|")})$`,
+            "u"
+        );
+    }
+    return null;
+}
+
+/**
+ * The error type when no files match a glob.
+ */
+class NoFilesFoundError extends Error {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} pattern The glob pattern which was not found.
+     * @param {boolean} globDisabled If `true` then the pattern was a glob pattern, but glob was disabled.
+     */
+    constructor(pattern, globDisabled) {
+        super(`No files matching '${pattern}' were found${globDisabled ? " (glob was disabled)" : ""}.`);
+        this.messageTemplate = "file-not-found";
+        this.messageData = { pattern, globDisabled };
+    }
+}
+
+/**
+ * The error type when there are files matched by a glob, but all of them have been ignored.
+ */
+class AllFilesIgnoredError extends Error {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} pattern The glob pattern which was not found.
+     */
+    constructor(pattern) {
+        super(`All files matched by '${pattern}' are ignored.`);
+        this.messageTemplate = "all-files-ignored";
+        this.messageData = { pattern };
+    }
+}
+
+/**
+ * This class provides the functionality that enumerates every file which is
+ * matched by given glob patterns and that configuration.
+ */
+class FileEnumerator {
+
+    /**
+     * Initialize this enumerator.
+     * @param {FileEnumeratorOptions} options The options.
+     */
+    constructor({
+        cwd = process.cwd(),
+        configArrayFactory = new CascadingConfigArrayFactory({ cwd }),
+        extensions = null,
+        globInputPaths = true,
+        errorOnUnmatchedPattern = true,
+        ignore = true
+    } = {}) {
+        internalSlotsMap.set(this, {
+            configArrayFactory,
+            cwd,
+            defaultIgnores: IgnorePattern.createDefaultIgnore(cwd),
+            extensionRegExp: createExtensionRegExp(extensions),
+            globInputPaths,
+            errorOnUnmatchedPattern,
+            ignoreFlag: ignore
+        });
+    }
+
+    /**
+     * Check if a given file is target or not.
+     * @param {string} filePath The path to a candidate file.
+     * @param {ConfigArray} [providedConfig] Optional. The configuration for the file.
+     * @returns {boolean} `true` if the file is a target.
+     */
+    isTargetPath(filePath, providedConfig) {
+        const {
+            configArrayFactory,
+            extensionRegExp
+        } = internalSlotsMap.get(this);
+
+        // If `--ext` option is present, use it.
+        if (extensionRegExp) {
+            return extensionRegExp.test(filePath);
+        }
+
+        // `.js` file is target by default.
+        if (filePath.endsWith(".js")) {
+            return true;
+        }
+
+        // use `overrides[].files` to check additional targets.
+        const config =
+            providedConfig ||
+            configArrayFactory.getConfigArrayForFile(
+                filePath,
+                { ignoreNotFoundError: true }
+            );
+
+        return config.isAdditionalTargetPath(filePath);
+    }
+
+    /**
+     * Iterate files which are matched by given glob patterns.
+     * @param {string|string[]} patternOrPatterns The glob patterns to iterate files.
+     * @returns {IterableIterator<FileAndConfig>} The found files.
+     */
+    *iterateFiles(patternOrPatterns) {
+        const { globInputPaths, errorOnUnmatchedPattern } = internalSlotsMap.get(this);
+        const patterns = Array.isArray(patternOrPatterns)
+            ? patternOrPatterns
+            : [patternOrPatterns];
+
+        debug("Start to iterate files: %o", patterns);
+
+        // The set of paths to remove duplicate.
+        const set = new Set();
+
+        for (const pattern of patterns) {
+            let foundRegardlessOfIgnored = false;
+            let found = false;
+
+            // Skip empty string.
+            if (!pattern) {
+                continue;
+            }
+
+            // Iterate files of this pattern.
+            for (const { config, filePath, flag } of this._iterateFiles(pattern)) {
+                foundRegardlessOfIgnored = true;
+                if (flag === IGNORED_SILENTLY) {
+                    continue;
+                }
+                found = true;
+
+                // Remove duplicate paths while yielding paths.
+                if (!set.has(filePath)) {
+                    set.add(filePath);
+                    yield {
+                        config,
+                        filePath,
+                        ignored: flag === IGNORED
+                    };
+                }
+            }
+
+            // Raise an error if any files were not found.
+            if (errorOnUnmatchedPattern) {
+                if (!foundRegardlessOfIgnored) {
+                    throw new NoFilesFoundError(
+                        pattern,
+                        !globInputPaths && isGlob(pattern)
+                    );
+                }
+                if (!found) {
+                    throw new AllFilesIgnoredError(pattern);
+                }
+            }
+        }
+
+        debug(`Complete iterating files: ${JSON.stringify(patterns)}`);
+    }
+
+    /**
+     * Iterate files which are matched by a given glob pattern.
+     * @param {string} pattern The glob pattern to iterate files.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     */
+    _iterateFiles(pattern) {
+        const { cwd, globInputPaths } = internalSlotsMap.get(this);
+        const absolutePath = path.resolve(cwd, pattern);
+        const isDot = dotfilesPattern.test(pattern);
+        const stat = statSafeSync(absolutePath);
+
+        if (stat && stat.isDirectory()) {
+            return this._iterateFilesWithDirectory(absolutePath, isDot);
+        }
+        if (stat && stat.isFile()) {
+            return this._iterateFilesWithFile(absolutePath);
+        }
+        if (globInputPaths && isGlobPattern(pattern)) {
+            return this._iterateFilesWithGlob(absolutePath, isDot);
+        }
+
+        return [];
+    }
+
+    /**
+     * Iterate a file which is matched by a given path.
+     * @param {string} filePath The path to the target file.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithFile(filePath) {
+        debug(`File: ${filePath}`);
+
+        const { configArrayFactory } = internalSlotsMap.get(this);
+        const config = configArrayFactory.getConfigArrayForFile(filePath);
+        const ignored = this._isIgnoredFile(filePath, { config, direct: true });
+        const flag = ignored ? IGNORED : NONE;
+
+        return [{ config, filePath, flag }];
+    }
+
+    /**
+     * Iterate files in a given path.
+     * @param {string} directoryPath The path to the target directory.
+     * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithDirectory(directoryPath, dotfiles) {
+        debug(`Directory: ${directoryPath}`);
+
+        return this._iterateFilesRecursive(
+            directoryPath,
+            { dotfiles, recursive: true, selector: null }
+        );
+    }
+
+    /**
+     * Iterate files which are matched by a given glob pattern.
+     * @param {string} pattern The glob pattern to iterate files.
+     * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithGlob(pattern, dotfiles) {
+        debug(`Glob: ${pattern}`);
+
+        const directoryPath = path.resolve(getGlobParent(pattern));
+        const globPart = pattern.slice(directoryPath.length + 1);
+
+        /*
+         * recursive if there are `**` or path separators in the glob part.
+         * Otherwise, patterns such as `src/*.js`, it doesn't need recursive.
+         */
+        const recursive = /\*\*|\/|\\/u.test(globPart);
+        const selector = new Minimatch(pattern, minimatchOpts);
+
+        debug(`recursive? ${recursive}`);
+
+        return this._iterateFilesRecursive(
+            directoryPath,
+            { dotfiles, recursive, selector }
+        );
+    }
+
+    /**
+     * Iterate files in a given path.
+     * @param {string} directoryPath The path to the target directory.
+     * @param {Object} options The options to iterate files.
+     * @param {boolean} [options.dotfiles] If `true` then it doesn't skip dot files by default.
+     * @param {boolean} [options.recursive] If `true` then it dives into sub directories.
+     * @param {InstanceType<Minimatch>} [options.selector] The matcher to choose files.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    *_iterateFilesRecursive(directoryPath, options) {
+        debug(`Enter the directory: ${directoryPath}`);
+        const { configArrayFactory } = internalSlotsMap.get(this);
+
+        /** @type {ConfigArray|null} */
+        let config = null;
+
+        // Enumerate the files of this directory.
+        for (const entry of readdirSafeSync(directoryPath)) {
+            const filePath = path.join(directoryPath, entry.name);
+
+            // Check if the file is matched.
+            if (entry.isFile()) {
+                if (!config) {
+                    config = configArrayFactory.getConfigArrayForFile(
+                        filePath,
+
+                        /*
+                         * We must ignore `ConfigurationNotFoundError` at this
+                         * point because we don't know if target files exist in
+                         * this directory.
+                         */
+                        { ignoreNotFoundError: true }
+                    );
+                }
+                const matched = options.selector
+
+                    // Started with a glob pattern; choose by the pattern.
+                    ? options.selector.match(filePath)
+
+                    // Started with a directory path; choose by file extensions.
+                    : this.isTargetPath(filePath, config);
+
+                if (matched) {
+                    const ignored = this._isIgnoredFile(filePath, { ...options, config });
+                    const flag = ignored ? IGNORED_SILENTLY : NONE;
+
+                    debug(`Yield: ${entry.name}${ignored ? " but ignored" : ""}`);
+                    yield {
+                        config: configArrayFactory.getConfigArrayForFile(filePath),
+                        filePath,
+                        flag
+                    };
+                } else {
+                    debug(`Didn't match: ${entry.name}`);
+                }
+
+            // Dive into the sub directory.
+            } else if (options.recursive && entry.isDirectory()) {
+                if (!config) {
+                    config = configArrayFactory.getConfigArrayForFile(
+                        filePath,
+                        { ignoreNotFoundError: true }
+                    );
+                }
+                const ignored = this._isIgnoredFile(
+                    filePath + path.sep,
+                    { ...options, config }
+                );
+
+                if (!ignored) {
+                    yield* this._iterateFilesRecursive(filePath, options);
+                }
+            }
+        }
+
+        debug(`Leave the directory: ${directoryPath}`);
+    }
+
+    /**
+     * Check if a given file should be ignored.
+     * @param {string} filePath The path to a file to check.
+     * @param {Object} options Options
+     * @param {ConfigArray} [options.config] The config for this file.
+     * @param {boolean} [options.dotfiles] If `true` then this is not ignore dot files by default.
+     * @param {boolean} [options.direct] If `true` then this is a direct specified file.
+     * @returns {boolean} `true` if the file should be ignored.
+     * @private
+     */
+    _isIgnoredFile(filePath, {
+        config: providedConfig,
+        dotfiles = false,
+        direct = false
+    }) {
+        const {
+            configArrayFactory,
+            defaultIgnores,
+            ignoreFlag
+        } = internalSlotsMap.get(this);
+
+        if (ignoreFlag) {
+            const config =
+                providedConfig ||
+                configArrayFactory.getConfigArrayForFile(
+                    filePath,
+                    { ignoreNotFoundError: true }
+                );
+            const ignores =
+                config.extractConfig(filePath).ignores || defaultIgnores;
+
+            return ignores(filePath, dotfiles);
+        }
+
+        return !direct && defaultIgnores(filePath, dotfiles);
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = { FileEnumerator };
diff --git a/eslint/lib/cli-engine/formatters/checkstyle.js b/eslint/lib/cli-engine/formatters/checkstyle.js
new file mode 100644
index 0000000..ba4d1b5
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/checkstyle.js
@@ -0,0 +1,60 @@
+/**
+ * @fileoverview CheckStyle XML reporter
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
+    output += "<checkstyle version=\"4.3\">";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        output += `<file name="${xmlEscape(result.filePath)}">`;
+
+        messages.forEach(message => {
+            output += [
+                `<error line="${xmlEscape(message.line)}"`,
+                `column="${xmlEscape(message.column)}"`,
+                `severity="${xmlEscape(getMessageType(message))}"`,
+                `message="${xmlEscape(message.message)}${message.ruleId ? ` (${message.ruleId})` : ""}"`,
+                `source="${message.ruleId ? xmlEscape(`eslint.rules.${message.ruleId}`) : ""}" />`
+            ].join(" ");
+        });
+
+        output += "</file>";
+
+    });
+
+    output += "</checkstyle>";
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/codeframe.js b/eslint/lib/cli-engine/formatters/codeframe.js
new file mode 100644
index 0000000..41e3ab7
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/codeframe.js
@@ -0,0 +1,138 @@
+/**
+ * @fileoverview Codeframe reporter
+ * @author Vitor Balocco
+ */
+"use strict";
+
+const chalk = require("chalk");
+const { codeFrameColumns } = require("@babel/code-frame");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param   {string} word  A word in its singular form.
+ * @param   {number} count A number controlling whether word should be pluralized.
+ * @returns {string}       The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Gets a formatted relative file path from an absolute path and a line/column in the file.
+ * @param   {string} filePath The absolute file path to format.
+ * @param   {number} line     The line from the file to use for formatting.
+ * @param   {number} column   The column from the file to use for formatting.
+ * @returns {string}          The formatted file path.
+ */
+function formatFilePath(filePath, line, column) {
+    let relPath = path.relative(process.cwd(), filePath);
+
+    if (line && column) {
+        relPath += `:${line}:${column}`;
+    }
+
+    return chalk.green(relPath);
+}
+
+/**
+ * Gets the formatted output for a given message.
+ * @param   {Object} message      The object that represents this message.
+ * @param   {Object} parentResult The result object that this message belongs to.
+ * @returns {string}              The formatted output.
+ */
+function formatMessage(message, parentResult) {
+    const type = (message.fatal || message.severity === 2) ? chalk.red("error") : chalk.yellow("warning");
+    const msg = `${chalk.bold(message.message.replace(/([^ ])\.$/u, "$1"))}`;
+    const ruleId = message.fatal ? "" : chalk.dim(`(${message.ruleId})`);
+    const filePath = formatFilePath(parentResult.filePath, message.line, message.column);
+    const sourceCode = parentResult.output ? parentResult.output : parentResult.source;
+
+    const firstLine = [
+        `${type}:`,
+        `${msg}`,
+        ruleId ? `${ruleId}` : "",
+        sourceCode ? `at ${filePath}:` : `at ${filePath}`
+    ].filter(String).join(" ");
+
+    const result = [firstLine];
+
+    if (sourceCode) {
+        result.push(
+            codeFrameColumns(sourceCode, { start: { line: message.line, column: message.column } }, { highlightCode: false })
+        );
+    }
+
+    return result.join("\n");
+}
+
+/**
+ * Gets the formatted output summary for a given number of errors and warnings.
+ * @param   {number} errors   The number of errors.
+ * @param   {number} warnings The number of warnings.
+ * @param   {number} fixableErrors The number of fixable errors.
+ * @param   {number} fixableWarnings The number of fixable warnings.
+ * @returns {string}          The formatted output summary.
+ */
+function formatSummary(errors, warnings, fixableErrors, fixableWarnings) {
+    const summaryColor = errors > 0 ? "red" : "yellow";
+    const summary = [];
+    const fixablesSummary = [];
+
+    if (errors > 0) {
+        summary.push(`${errors} ${pluralize("error", errors)}`);
+    }
+
+    if (warnings > 0) {
+        summary.push(`${warnings} ${pluralize("warning", warnings)}`);
+    }
+
+    if (fixableErrors > 0) {
+        fixablesSummary.push(`${fixableErrors} ${pluralize("error", fixableErrors)}`);
+    }
+
+    if (fixableWarnings > 0) {
+        fixablesSummary.push(`${fixableWarnings} ${pluralize("warning", fixableWarnings)}`);
+    }
+
+    let output = chalk[summaryColor].bold(`${summary.join(" and ")} found.`);
+
+    if (fixableErrors || fixableWarnings) {
+        output += chalk[summaryColor].bold(`\n${fixablesSummary.join(" and ")} potentially fixable with the \`--fix\` option.`);
+    }
+
+    return output;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    let errors = 0;
+    let warnings = 0;
+    let fixableErrors = 0;
+    let fixableWarnings = 0;
+
+    const resultsWithMessages = results.filter(result => result.messages.length > 0);
+
+    let output = resultsWithMessages.reduce((resultsOutput, result) => {
+        const messages = result.messages.map(message => `${formatMessage(message, result)}\n\n`);
+
+        errors += result.errorCount;
+        warnings += result.warningCount;
+        fixableErrors += result.fixableErrorCount;
+        fixableWarnings += result.fixableWarningCount;
+
+        return resultsOutput.concat(messages);
+    }, []).join("\n");
+
+    output += "\n";
+    output += formatSummary(errors, warnings, fixableErrors, fixableWarnings);
+
+    return (errors + warnings) > 0 ? output : "";
+};
diff --git a/eslint/lib/cli-engine/formatters/compact.js b/eslint/lib/cli-engine/formatters/compact.js
new file mode 100644
index 0000000..2b540bd
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/compact.js
@@ -0,0 +1,60 @@
+/**
+ * @fileoverview Compact reporter
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += `${result.filePath}: `;
+            output += `line ${message.line || 0}`;
+            output += `, col ${message.column || 0}`;
+            output += `, ${getMessageType(message)}`;
+            output += ` - ${message.message}`;
+            output += message.ruleId ? ` (${message.ruleId})` : "";
+            output += "\n";
+
+        });
+
+    });
+
+    if (total > 0) {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/html-template-message.html b/eslint/lib/cli-engine/formatters/html-template-message.html
new file mode 100644
index 0000000..93795a1
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/html-template-message.html
@@ -0,0 +1,8 @@
+<tr style="display:none" class="f-<%= parentIndex %>">
+    <td><%= lineNumber %>:<%= columnNumber %></td>
+    <td class="clr-<%= severityNumber %>"><%= severityName %></td>
+    <td><%- message %></td>
+    <td>
+        <a href="<%= ruleUrl %>" target="_blank" rel="noopener noreferrer"><%= ruleId %></a>
+    </td>
+</tr>
diff --git a/eslint/lib/cli-engine/formatters/html-template-page.html b/eslint/lib/cli-engine/formatters/html-template-page.html
new file mode 100644
index 0000000..4016576
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/html-template-page.html
@@ -0,0 +1,115 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8">
+        <title>ESLint Report</title>
+        <style>
+            body {
+                font-family:Arial, "Helvetica Neue", Helvetica, sans-serif;
+                font-size:16px;
+                font-weight:normal;
+                margin:0;
+                padding:0;
+                color:#333
+            }
+            #overview {
+                padding:20px 30px
+            }
+            td, th {
+                padding:5px 10px
+            }
+            h1 {
+                margin:0
+            }
+            table {
+                margin:30px;
+                width:calc(100% - 60px);
+                max-width:1000px;
+                border-radius:5px;
+                border:1px solid #ddd;
+                border-spacing:0px;
+            }
+            th {
+                font-weight:400;
+                font-size:medium;
+                text-align:left;
+                cursor:pointer
+            }
+            td.clr-1, td.clr-2, th span {
+                font-weight:700
+            }
+            th span {
+                float:right;
+                margin-left:20px
+            }
+            th span:after {
+                content:"";
+                clear:both;
+                display:block
+            }
+            tr:last-child td {
+                border-bottom:none
+            }
+            tr td:first-child, tr td:last-child {
+                color:#9da0a4
+            }
+            #overview.bg-0, tr.bg-0 th {
+                color:#468847;
+                background:#dff0d8;
+                border-bottom:1px solid #d6e9c6
+            }
+            #overview.bg-1, tr.bg-1 th {
+                color:#f0ad4e;
+                background:#fcf8e3;
+                border-bottom:1px solid #fbeed5
+            }
+            #overview.bg-2, tr.bg-2 th {
+                color:#b94a48;
+                background:#f2dede;
+                border-bottom:1px solid #eed3d7
+            }
+            td {
+                border-bottom:1px solid #ddd
+            }
+            td.clr-1 {
+                color:#f0ad4e
+            }
+            td.clr-2 {
+                color:#b94a48
+            }
+            td a {
+                color:#3a33d1;
+                text-decoration:none
+            }
+            td a:hover {
+                color:#272296;
+                text-decoration:underline
+            }
+        </style>
+    </head>
+    <body>
+        <div id="overview" class="bg-<%= reportColor %>">
+            <h1>ESLint Report</h1>
+            <div>
+                <span><%= reportSummary %></span> - Generated on <%= date %>
+            </div>
+        </div>
+        <table>
+            <tbody>
+                <%= results %>
+            </tbody>
+        </table>
+        <script type="text/javascript">
+            var groups = document.querySelectorAll("tr[data-group]");
+            for (i = 0; i < groups.length; i++) {
+                groups[i].addEventListener("click", function() {
+                    var inGroup = document.getElementsByClassName(this.getAttribute("data-group"));
+                    this.innerHTML = (this.innerHTML.indexOf("+") > -1) ? this.innerHTML.replace("+", "-") : this.innerHTML.replace("-", "+");
+                    for (var j = 0; j < inGroup.length; j++) {
+                        inGroup[j].style.display = (inGroup[j].style.display !== "none") ? "none" : "table-row";
+                    }
+                });
+            }
+        </script>
+    </body>
+</html>
diff --git a/eslint/lib/cli-engine/formatters/html-template-result.html b/eslint/lib/cli-engine/formatters/html-template-result.html
new file mode 100644
index 0000000..f4a5593
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/html-template-result.html
@@ -0,0 +1,6 @@
+<tr class="bg-<%- color %>" data-group="f-<%- index %>">
+    <th colspan="4">
+        [+] <%- filePath %>
+        <span><%- summary %></span>
+    </th>
+</tr>
diff --git a/eslint/lib/cli-engine/formatters/html.js b/eslint/lib/cli-engine/formatters/html.js
new file mode 100644
index 0000000..69f7395
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/html.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview HTML reporter
+ * @author Julian Laval
+ */
+"use strict";
+
+const lodash = require("lodash");
+const fs = require("fs");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const pageTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-page.html"), "utf-8"));
+const messageTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-message.html"), "utf-8"));
+const resultTemplate = lodash.template(fs.readFileSync(path.join(__dirname, "html-template-result.html"), "utf-8"));
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param {string} word A word in its singular form.
+ * @param {int} count A number controlling whether word should be pluralized.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Renders text along the template of x problems (x errors, x warnings)
+ * @param {string} totalErrors Total errors
+ * @param {string} totalWarnings Total warnings
+ * @returns {string} The formatted string, pluralized where necessary
+ */
+function renderSummary(totalErrors, totalWarnings) {
+    const totalProblems = totalErrors + totalWarnings;
+    let renderedText = `${totalProblems} ${pluralize("problem", totalProblems)}`;
+
+    if (totalProblems !== 0) {
+        renderedText += ` (${totalErrors} ${pluralize("error", totalErrors)}, ${totalWarnings} ${pluralize("warning", totalWarnings)})`;
+    }
+    return renderedText;
+}
+
+/**
+ * Get the color based on whether there are errors/warnings...
+ * @param {string} totalErrors Total errors
+ * @param {string} totalWarnings Total warnings
+ * @returns {int} The color code (0 = green, 1 = yellow, 2 = red)
+ */
+function renderColor(totalErrors, totalWarnings) {
+    if (totalErrors !== 0) {
+        return 2;
+    }
+    if (totalWarnings !== 0) {
+        return 1;
+    }
+    return 0;
+}
+
+/**
+ * Get HTML (table rows) describing the messages.
+ * @param {Array} messages Messages.
+ * @param {int} parentIndex Index of the parent HTML row.
+ * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
+ * @returns {string} HTML (table rows) describing the messages.
+ */
+function renderMessages(messages, parentIndex, rulesMeta) {
+
+    /**
+     * Get HTML (table row) describing a message.
+     * @param {Object} message Message.
+     * @returns {string} HTML (table row) describing a message.
+     */
+    return lodash.map(messages, message => {
+        const lineNumber = message.line || 0;
+        const columnNumber = message.column || 0;
+        let ruleUrl;
+
+        if (rulesMeta) {
+            const meta = rulesMeta[message.ruleId];
+
+            ruleUrl = lodash.get(meta, "docs.url", null);
+        }
+
+        return messageTemplate({
+            parentIndex,
+            lineNumber,
+            columnNumber,
+            severityNumber: message.severity,
+            severityName: message.severity === 1 ? "Warning" : "Error",
+            message: message.message,
+            ruleId: message.ruleId,
+            ruleUrl
+        });
+    }).join("\n");
+}
+
+// eslint-disable-next-line jsdoc/require-description
+/**
+ * @param {Array} results Test results.
+ * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
+ * @returns {string} HTML string describing the results.
+ */
+function renderResults(results, rulesMeta) {
+    return lodash.map(results, (result, index) => resultTemplate({
+        index,
+        color: renderColor(result.errorCount, result.warningCount),
+        filePath: result.filePath,
+        summary: renderSummary(result.errorCount, result.warningCount)
+
+    }) + renderMessages(result.messages, index, rulesMeta)).join("\n");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results, data) {
+    let totalErrors,
+        totalWarnings;
+
+    const metaData = data ? data.rulesMeta : {};
+
+    totalErrors = 0;
+    totalWarnings = 0;
+
+    // Iterate over results to get totals
+    results.forEach(result => {
+        totalErrors += result.errorCount;
+        totalWarnings += result.warningCount;
+    });
+
+    return pageTemplate({
+        date: new Date(),
+        reportColor: renderColor(totalErrors, totalWarnings),
+        reportSummary: renderSummary(totalErrors, totalWarnings),
+        results: renderResults(results, metaData)
+    });
+};
diff --git a/eslint/lib/cli-engine/formatters/jslint-xml.js b/eslint/lib/cli-engine/formatters/jslint-xml.js
new file mode 100644
index 0000000..0ca1cba
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/jslint-xml.js
@@ -0,0 +1,41 @@
+/**
+ * @fileoverview JSLint XML reporter
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
+    output += "<jslint>";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        output += `<file name="${result.filePath}">`;
+
+        messages.forEach(message => {
+            output += [
+                `<issue line="${message.line}"`,
+                `char="${message.column}"`,
+                `evidence="${xmlEscape(message.source || "")}"`,
+                `reason="${xmlEscape(message.message || "")}${message.ruleId ? ` (${message.ruleId})` : ""}" />`
+            ].join(" ");
+        });
+
+        output += "</file>";
+
+    });
+
+    output += "</jslint>";
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/json-with-metadata.js b/eslint/lib/cli-engine/formatters/json-with-metadata.js
new file mode 100644
index 0000000..6899471
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/json-with-metadata.js
@@ -0,0 +1,16 @@
+/**
+ * @fileoverview JSON reporter, including rules metadata
+ * @author Chris Meyer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results, data) {
+    return JSON.stringify({
+        results,
+        metadata: data
+    });
+};
diff --git a/eslint/lib/cli-engine/formatters/json.js b/eslint/lib/cli-engine/formatters/json.js
new file mode 100644
index 0000000..82138af
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/json.js
@@ -0,0 +1,13 @@
+/**
+ * @fileoverview JSON reporter
+ * @author Burak Yigit Kaya aka BYK
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    return JSON.stringify(results);
+};
diff --git a/eslint/lib/cli-engine/formatters/junit.js b/eslint/lib/cli-engine/formatters/junit.js
new file mode 100644
index 0000000..a994b4b
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/junit.js
@@ -0,0 +1,82 @@
+/**
+ * @fileoverview jUnit Reporter
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+/**
+ * Returns a full file path without extension
+ * @param {string} filePath input file path
+ * @returns {string} file path without extension
+ * @private
+ */
+function pathWithoutExt(filePath) {
+    return path.join(path.dirname(filePath), path.basename(filePath, path.extname(filePath)));
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+    output += "<testsuites>\n";
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+        const classname = pathWithoutExt(result.filePath);
+
+        if (messages.length > 0) {
+            output += `<testsuite package="org.eslint" time="0" tests="${messages.length}" errors="${messages.length}" name="${result.filePath}">\n`;
+            messages.forEach(message => {
+                const type = message.fatal ? "error" : "failure";
+
+                output += `<testcase time="0" name="org.eslint.${message.ruleId || "unknown"}" classname="${classname}">`;
+                output += `<${type} message="${xmlEscape(message.message || "")}">`;
+                output += "<![CDATA[";
+                output += `line ${message.line || 0}, col `;
+                output += `${message.column || 0}, ${getMessageType(message)}`;
+                output += ` - ${xmlEscape(message.message || "")}`;
+                output += (message.ruleId ? ` (${message.ruleId})` : "");
+                output += "]]>";
+                output += `</${type}>`;
+                output += "</testcase>\n";
+            });
+            output += "</testsuite>\n";
+        } else {
+            output += `<testsuite package="org.eslint" time="0" tests="1" errors="0" name="${result.filePath}">\n`;
+            output += `<testcase time="0" name="${result.filePath}" classname="${classname}" />\n`;
+            output += "</testsuite>\n";
+        }
+
+    });
+
+    output += "</testsuites>\n";
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/stylish.js b/eslint/lib/cli-engine/formatters/stylish.js
new file mode 100644
index 0000000..a808448
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/stylish.js
@@ -0,0 +1,101 @@
+/**
+ * @fileoverview Stylish reporter
+ * @author Sindre Sorhus
+ */
+"use strict";
+
+const chalk = require("chalk"),
+    stripAnsi = require("strip-ansi"),
+    table = require("text-table");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param {string} word A word in its singular form.
+ * @param {int} count A number controlling whether word should be pluralized.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "\n",
+        errorCount = 0,
+        warningCount = 0,
+        fixableErrorCount = 0,
+        fixableWarningCount = 0,
+        summaryColor = "yellow";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        if (messages.length === 0) {
+            return;
+        }
+
+        errorCount += result.errorCount;
+        warningCount += result.warningCount;
+        fixableErrorCount += result.fixableErrorCount;
+        fixableWarningCount += result.fixableWarningCount;
+
+        output += `${chalk.underline(result.filePath)}\n`;
+
+        output += `${table(
+            messages.map(message => {
+                let messageType;
+
+                if (message.fatal || message.severity === 2) {
+                    messageType = chalk.red("error");
+                    summaryColor = "red";
+                } else {
+                    messageType = chalk.yellow("warning");
+                }
+
+                return [
+                    "",
+                    message.line || 0,
+                    message.column || 0,
+                    messageType,
+                    message.message.replace(/([^ ])\.$/u, "$1"),
+                    chalk.dim(message.ruleId || "")
+                ];
+            }),
+            {
+                align: ["", "r", "l"],
+                stringLength(str) {
+                    return stripAnsi(str).length;
+                }
+            }
+        ).split("\n").map(el => el.replace(/(\d+)\s+(\d+)/u, (m, p1, p2) => chalk.dim(`${p1}:${p2}`))).join("\n")}\n\n`;
+    });
+
+    const total = errorCount + warningCount;
+
+    if (total > 0) {
+        output += chalk[summaryColor].bold([
+            "\u2716 ", total, pluralize(" problem", total),
+            " (", errorCount, pluralize(" error", errorCount), ", ",
+            warningCount, pluralize(" warning", warningCount), ")\n"
+        ].join(""));
+
+        if (fixableErrorCount > 0 || fixableWarningCount > 0) {
+            output += chalk[summaryColor].bold([
+                "  ", fixableErrorCount, pluralize(" error", fixableErrorCount), " and ",
+                fixableWarningCount, pluralize(" warning", fixableWarningCount),
+                " potentially fixable with the `--fix` option.\n"
+            ].join(""));
+        }
+    }
+
+    // Resets output color, for prevent change on top level
+    return total > 0 ? chalk.reset(output) : "";
+};
diff --git a/eslint/lib/cli-engine/formatters/table.js b/eslint/lib/cli-engine/formatters/table.js
new file mode 100644
index 0000000..a74cce0
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/table.js
@@ -0,0 +1,159 @@
+/**
+ * @fileoverview "table reporter.
+ * @author Gajus Kuizinas <gajus@gajus.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const chalk = require("chalk"),
+    table = require("table").table;
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an "s" if count is not one.
+ * @param {string} word A word.
+ * @param {number} count Quantity.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Draws text table.
+ * @param {Array<Object>} messages Error messages relating to a specific file.
+ * @returns {string} A text table.
+ */
+function drawTable(messages) {
+    const rows = [];
+
+    if (messages.length === 0) {
+        return "";
+    }
+
+    rows.push([
+        chalk.bold("Line"),
+        chalk.bold("Column"),
+        chalk.bold("Type"),
+        chalk.bold("Message"),
+        chalk.bold("Rule ID")
+    ]);
+
+    messages.forEach(message => {
+        let messageType;
+
+        if (message.fatal || message.severity === 2) {
+            messageType = chalk.red("error");
+        } else {
+            messageType = chalk.yellow("warning");
+        }
+
+        rows.push([
+            message.line || 0,
+            message.column || 0,
+            messageType,
+            message.message,
+            message.ruleId || ""
+        ]);
+    });
+
+    return table(rows, {
+        columns: {
+            0: {
+                width: 8,
+                wrapWord: true
+            },
+            1: {
+                width: 8,
+                wrapWord: true
+            },
+            2: {
+                width: 8,
+                wrapWord: true
+            },
+            3: {
+                paddingRight: 5,
+                width: 50,
+                wrapWord: true
+            },
+            4: {
+                width: 20,
+                wrapWord: true
+            }
+        },
+        drawHorizontalLine(index) {
+            return index === 1;
+        }
+    });
+}
+
+/**
+ * Draws a report (multiple tables).
+ * @param {Array} results Report results for every file.
+ * @returns {string} A column of text tables.
+ */
+function drawReport(results) {
+    let files;
+
+    files = results.map(result => {
+        if (!result.messages.length) {
+            return "";
+        }
+
+        return `\n${result.filePath}\n\n${drawTable(result.messages)}`;
+    });
+
+    files = files.filter(content => content.trim());
+
+    return files.join("");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(report) {
+    let result,
+        errorCount,
+        warningCount;
+
+    result = "";
+    errorCount = 0;
+    warningCount = 0;
+
+    report.forEach(fileReport => {
+        errorCount += fileReport.errorCount;
+        warningCount += fileReport.warningCount;
+    });
+
+    if (errorCount || warningCount) {
+        result = drawReport(report);
+    }
+
+    result += `\n${table([
+        [
+            chalk.red(pluralize(`${errorCount} Error`, errorCount))
+        ],
+        [
+            chalk.yellow(pluralize(`${warningCount} Warning`, warningCount))
+        ]
+    ], {
+        columns: {
+            0: {
+                width: 110,
+                wrapWord: true
+            }
+        },
+        drawHorizontalLine() {
+            return true;
+        }
+    })}`;
+
+    return result;
+};
diff --git a/eslint/lib/cli-engine/formatters/tap.js b/eslint/lib/cli-engine/formatters/tap.js
new file mode 100644
index 0000000..354872a
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/tap.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview TAP reporter
+ * @author Jonathan Kingston
+ */
+"use strict";
+
+const yaml = require("js-yaml");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns a canonical error level string based upon the error message passed in.
+ * @param {Object} message Individual error message provided by eslint
+ * @returns {string} Error level string
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+}
+
+/**
+ * Takes in a JavaScript object and outputs a TAP diagnostics string
+ * @param {Object} diagnostic JavaScript object to be embedded as YAML into output.
+ * @returns {string} diagnostics string with YAML embedded - TAP version 13 compliant
+ */
+function outputDiagnostics(diagnostic) {
+    const prefix = "  ";
+    let output = `${prefix}---\n`;
+
+    output += prefix + yaml.safeDump(diagnostic).split("\n").join(`\n${prefix}`);
+    output += "...\n";
+    return output;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    let output = `TAP version 13\n1..${results.length}\n`;
+
+    results.forEach((result, id) => {
+        const messages = result.messages;
+        let testResult = "ok";
+        let diagnostics = {};
+
+        if (messages.length > 0) {
+            messages.forEach(message => {
+                const severity = getMessageType(message);
+                const diagnostic = {
+                    message: message.message,
+                    severity,
+                    data: {
+                        line: message.line || 0,
+                        column: message.column || 0,
+                        ruleId: message.ruleId || ""
+                    }
+                };
+
+                // This ensures a warning message is not flagged as error
+                if (severity === "error") {
+                    testResult = "not ok";
+                }
+
+                /*
+                 * If we have multiple messages place them under a messages key
+                 * The first error will be logged as message key
+                 * This is to adhere to TAP 13 loosely defined specification of having a message key
+                 */
+                if ("message" in diagnostics) {
+                    if (typeof diagnostics.messages === "undefined") {
+                        diagnostics.messages = [];
+                    }
+                    diagnostics.messages.push(diagnostic);
+                } else {
+                    diagnostics = diagnostic;
+                }
+            });
+        }
+
+        output += `${testResult} ${id + 1} - ${result.filePath}\n`;
+
+        // If we have an error include diagnostics
+        if (messages.length > 0) {
+            output += outputDiagnostics(diagnostics);
+        }
+
+    });
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/unix.js b/eslint/lib/cli-engine/formatters/unix.js
new file mode 100644
index 0000000..c6c4ebb
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/unix.js
@@ -0,0 +1,58 @@
+/**
+ * @fileoverview unix-style formatter.
+ * @author oshi-shinobu
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns a canonical error level string based upon the error message passed in.
+ * @param {Object} message Individual error message provided by eslint
+ * @returns {string} Error level string
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += `${result.filePath}:`;
+            output += `${message.line || 0}:`;
+            output += `${message.column || 0}:`;
+            output += ` ${message.message} `;
+            output += `[${getMessageType(message)}${message.ruleId ? `/${message.ruleId}` : ""}]`;
+            output += "\n";
+
+        });
+
+    });
+
+    if (total > 0) {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/formatters/visualstudio.js b/eslint/lib/cli-engine/formatters/visualstudio.js
new file mode 100644
index 0000000..0d49431
--- /dev/null
+++ b/eslint/lib/cli-engine/formatters/visualstudio.js
@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Visual Studio compatible formatter
+ * @author Ronald Pijnacker
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += result.filePath;
+            output += `(${message.line || 0}`;
+            output += message.column ? `,${message.column}` : "";
+            output += `): ${getMessageType(message)}`;
+            output += message.ruleId ? ` ${message.ruleId}` : "";
+            output += ` : ${message.message}`;
+            output += "\n";
+
+        });
+
+    });
+
+    if (total === 0) {
+        output += "no problems";
+    } else {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};
diff --git a/eslint/lib/cli-engine/hash.js b/eslint/lib/cli-engine/hash.js
new file mode 100644
index 0000000..6d7ef8b
--- /dev/null
+++ b/eslint/lib/cli-engine/hash.js
@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Defining the hashing function in one place.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const murmur = require("imurmurhash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * hash the given string
+ * @param  {string} str the string to hash
+ * @returns {string}    the hash
+ */
+function hash(str) {
+    return murmur(str).result().toString(36);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = hash;
diff --git a/eslint/lib/cli-engine/index.js b/eslint/lib/cli-engine/index.js
new file mode 100644
index 0000000..52e45a6
--- /dev/null
+++ b/eslint/lib/cli-engine/index.js
@@ -0,0 +1,7 @@
+"use strict";
+
+const { CLIEngine } = require("./cli-engine");
+
+module.exports = {
+    CLIEngine
+};
diff --git a/eslint/lib/cli-engine/lint-result-cache.js b/eslint/lib/cli-engine/lint-result-cache.js
new file mode 100644
index 0000000..23a1420
--- /dev/null
+++ b/eslint/lib/cli-engine/lint-result-cache.js
@@ -0,0 +1,142 @@
+/**
+ * @fileoverview Utility for caching lint results.
+ * @author Kevin Partington
+ */
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const assert = require("assert");
+const fs = require("fs");
+const fileEntryCache = require("file-entry-cache");
+const stringify = require("json-stable-stringify-without-jsonify");
+const pkg = require("../../package.json");
+const hash = require("./hash");
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+const configHashCache = new WeakMap();
+const nodeVersion = process && process.version;
+
+/**
+ * Calculates the hash of the config
+ * @param {ConfigArray} config The config.
+ * @returns {string} The hash of the config
+ */
+function hashOfConfigFor(config) {
+    if (!configHashCache.has(config)) {
+        configHashCache.set(config, hash(`${pkg.version}_${nodeVersion}_${stringify(config)}`));
+    }
+
+    return configHashCache.get(config);
+}
+
+//-----------------------------------------------------------------------------
+// Public Interface
+//-----------------------------------------------------------------------------
+
+/**
+ * Lint result cache. This wraps around the file-entry-cache module,
+ * transparently removing properties that are difficult or expensive to
+ * serialize and adding them back in on retrieval.
+ */
+class LintResultCache {
+
+    /**
+     * Creates a new LintResultCache instance.
+     * @param {string} cacheFileLocation The cache file location.
+     *   configuration lookup by file path).
+     */
+    constructor(cacheFileLocation) {
+        assert(cacheFileLocation, "Cache file location is required");
+
+        this.fileEntryCache = fileEntryCache.create(cacheFileLocation);
+    }
+
+    /**
+     * Retrieve cached lint results for a given file path, if present in the
+     * cache. If the file is present and has not been changed, rebuild any
+     * missing result information.
+     * @param {string} filePath The file for which to retrieve lint results.
+     * @param {ConfigArray} config The config of the file.
+     * @returns {Object|null} The rebuilt lint results, or null if the file is
+     *   changed or not in the filesystem.
+     */
+    getCachedLintResults(filePath, config) {
+
+        /*
+         * Cached lint results are valid if and only if:
+         * 1. The file is present in the filesystem
+         * 2. The file has not changed since the time it was previously linted
+         * 3. The ESLint configuration has not changed since the time the file
+         *    was previously linted
+         * If any of these are not true, we will not reuse the lint results.
+         */
+
+        const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+        const hashOfConfig = hashOfConfigFor(config);
+        const changed = fileDescriptor.changed || fileDescriptor.meta.hashOfConfig !== hashOfConfig;
+
+        if (fileDescriptor.notFound || changed) {
+            return null;
+        }
+
+        // If source is present but null, need to reread the file from the filesystem.
+        if (fileDescriptor.meta.results && fileDescriptor.meta.results.source === null) {
+            fileDescriptor.meta.results.source = fs.readFileSync(filePath, "utf-8");
+        }
+
+        return fileDescriptor.meta.results;
+    }
+
+    /**
+     * Set the cached lint results for a given file path, after removing any
+     * information that will be both unnecessary and difficult to serialize.
+     * Avoids caching results with an "output" property (meaning fixes were
+     * applied), to prevent potentially incorrect results if fixes are not
+     * written to disk.
+     * @param {string} filePath The file for which to set lint results.
+     * @param {ConfigArray} config The config of the file.
+     * @param {Object} result The lint result to be set for the file.
+     * @returns {void}
+     */
+    setCachedLintResults(filePath, config, result) {
+        if (result && Object.prototype.hasOwnProperty.call(result, "output")) {
+            return;
+        }
+
+        const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+
+        if (fileDescriptor && !fileDescriptor.notFound) {
+
+            // Serialize the result, except that we want to remove the file source if present.
+            const resultToSerialize = Object.assign({}, result);
+
+            /*
+             * Set result.source to null.
+             * In `getCachedLintResults`, if source is explicitly null, we will
+             * read the file from the filesystem to set the value again.
+             */
+            if (Object.prototype.hasOwnProperty.call(resultToSerialize, "source")) {
+                resultToSerialize.source = null;
+            }
+
+            fileDescriptor.meta.results = resultToSerialize;
+            fileDescriptor.meta.hashOfConfig = hashOfConfigFor(config);
+        }
+    }
+
+    /**
+     * Persists the in-memory cache to disk.
+     * @returns {void}
+     */
+    reconcile() {
+        this.fileEntryCache.reconcile();
+    }
+}
+
+module.exports = LintResultCache;
diff --git a/eslint/lib/cli-engine/load-rules.js b/eslint/lib/cli-engine/load-rules.js
new file mode 100644
index 0000000..81bab63
--- /dev/null
+++ b/eslint/lib/cli-engine/load-rules.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Module for loading rules from files and directories.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path");
+
+const rulesDirCache = {};
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Load all rule modules from specified directory.
+ * @param {string} relativeRulesDir Path to rules directory, may be relative.
+ * @param {string} cwd Current working directory
+ * @returns {Object} Loaded rule modules.
+ */
+module.exports = function(relativeRulesDir, cwd) {
+    const rulesDir = path.resolve(cwd, relativeRulesDir);
+
+    // cache will help performance as IO operation are expensive
+    if (rulesDirCache[rulesDir]) {
+        return rulesDirCache[rulesDir];
+    }
+
+    const rules = Object.create(null);
+
+    fs.readdirSync(rulesDir).forEach(file => {
+        if (path.extname(file) !== ".js") {
+            return;
+        }
+        rules[file.slice(0, -3)] = require(path.join(rulesDir, file));
+    });
+    rulesDirCache[rulesDir] = rules;
+
+    return rules;
+};
diff --git a/eslint/lib/cli-engine/xml-escape.js b/eslint/lib/cli-engine/xml-escape.js
new file mode 100644
index 0000000..175c2c0
--- /dev/null
+++ b/eslint/lib/cli-engine/xml-escape.js
@@ -0,0 +1,34 @@
+/**
+ * @fileoverview XML character escaper
+ * @author George Chung
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the escaped value for a character
+ * @param {string} s string to examine
+ * @returns {string} severity level
+ * @private
+ */
+module.exports = function(s) {
+    return (`${s}`).replace(/[<>&"'\x00-\x1F\x7F\u0080-\uFFFF]/gu, c => { // eslint-disable-line no-control-regex
+        switch (c) {
+            case "<":
+                return "&lt;";
+            case ">":
+                return "&gt;";
+            case "&":
+                return "&amp;";
+            case "\"":
+                return "&quot;";
+            case "'":
+                return "&apos;";
+            default:
+                return `&#${c.charCodeAt(0)};`;
+        }
+    });
+};
diff --git a/eslint/lib/cli.js b/eslint/lib/cli.js
new file mode 100644
index 0000000..815ce68
--- /dev/null
+++ b/eslint/lib/cli.js
@@ -0,0 +1,240 @@
+/**
+ * @fileoverview Main CLI object.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+/*
+ * The CLI object should *not* call process.exit() directly. It should only return
+ * exit codes. This allows other programs to use the CLI object and still control
+ * when the program exits.
+ */
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    { CLIEngine } = require("./cli-engine"),
+    options = require("./options"),
+    log = require("./shared/logging"),
+    RuntimeInfo = require("./shared/runtime-info");
+
+const debug = require("debug")("eslint:cli");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Predicate function for whether or not to apply fixes in quiet mode.
+ * If a message is a warning, do not apply a fix.
+ * @param {LintResult} lintResult The lint result.
+ * @returns {boolean} True if the lint message is an error (and thus should be
+ * autofixed), false otherwise.
+ */
+function quietFixPredicate(lintResult) {
+    return lintResult.severity === 2;
+}
+
+/**
+ * Translates the CLI options into the options expected by the CLIEngine.
+ * @param {Object} cliOptions The CLI options to translate.
+ * @returns {CLIEngineOptions} The options object for the CLIEngine.
+ * @private
+ */
+function translateOptions(cliOptions) {
+    return {
+        envs: cliOptions.env,
+        extensions: cliOptions.ext,
+        rules: cliOptions.rule,
+        plugins: cliOptions.plugin,
+        globals: cliOptions.global,
+        ignore: cliOptions.ignore,
+        ignorePath: cliOptions.ignorePath,
+        ignorePattern: cliOptions.ignorePattern,
+        configFile: cliOptions.config,
+        rulePaths: cliOptions.rulesdir,
+        useEslintrc: cliOptions.eslintrc,
+        parser: cliOptions.parser,
+        parserOptions: cliOptions.parserOptions,
+        cache: cliOptions.cache,
+        cacheFile: cliOptions.cacheFile,
+        cacheLocation: cliOptions.cacheLocation,
+        fix: (cliOptions.fix || cliOptions.fixDryRun) && (cliOptions.quiet ? quietFixPredicate : true),
+        fixTypes: cliOptions.fixType,
+        allowInlineConfig: cliOptions.inlineConfig,
+        reportUnusedDisableDirectives: cliOptions.reportUnusedDisableDirectives,
+        resolvePluginsRelativeTo: cliOptions.resolvePluginsRelativeTo,
+        errorOnUnmatchedPattern: cliOptions.errorOnUnmatchedPattern
+    };
+}
+
+/**
+ * Outputs the results of the linting.
+ * @param {CLIEngine} engine The CLIEngine to use.
+ * @param {LintResult[]} results The results to print.
+ * @param {string} format The name of the formatter to use or the path to the formatter.
+ * @param {string} outputFile The path for the output file.
+ * @returns {boolean} True if the printing succeeds, false if not.
+ * @private
+ */
+function printResults(engine, results, format, outputFile) {
+    let formatter;
+    let rulesMeta;
+
+    try {
+        formatter = engine.getFormatter(format);
+    } catch (e) {
+        log.error(e.message);
+        return false;
+    }
+
+    const output = formatter(results, {
+        get rulesMeta() {
+            if (!rulesMeta) {
+                rulesMeta = {};
+                for (const [ruleId, rule] of engine.getRules()) {
+                    rulesMeta[ruleId] = rule.meta;
+                }
+            }
+            return rulesMeta;
+        }
+    });
+
+    if (output) {
+        if (outputFile) {
+            const filePath = path.resolve(process.cwd(), outputFile);
+
+            if (fs.existsSync(filePath) && fs.statSync(filePath).isDirectory()) {
+                log.error("Cannot write to output file path, it is a directory: %s", outputFile);
+                return false;
+            }
+
+            try {
+                fs.mkdirSync(path.dirname(filePath), { recursive: true });
+                fs.writeFileSync(filePath, output);
+            } catch (ex) {
+                log.error("There was a problem writing the output file:\n%s", ex);
+                return false;
+            }
+        } else {
+            log.info(output);
+        }
+    }
+
+    return true;
+
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Encapsulates all CLI behavior for eslint. Makes it easier to test as well as
+ * for other Node.js programs to effectively run the CLI.
+ */
+const cli = {
+
+    /**
+     * Executes the CLI based on an array of arguments that is passed in.
+     * @param {string|Array|Object} args The arguments to process.
+     * @param {string} [text] The text to lint (used for TTY).
+     * @returns {int} The exit code for the operation.
+     */
+    execute(args, text) {
+        if (Array.isArray(args)) {
+            debug("CLI args: %o", args.slice(2));
+        }
+
+        let currentOptions;
+
+        try {
+            currentOptions = options.parse(args);
+        } catch (error) {
+            log.error(error.message);
+            return 2;
+        }
+
+        const files = currentOptions._;
+        const useStdin = typeof text === "string";
+
+        if (currentOptions.version) {
+            log.info(RuntimeInfo.version());
+        } else if (currentOptions.envInfo) {
+            try {
+                log.info(RuntimeInfo.environment());
+                return 0;
+            } catch (err) {
+                log.error(err.message);
+                return 2;
+            }
+        } else if (currentOptions.printConfig) {
+            if (files.length) {
+                log.error("The --print-config option must be used with exactly one file name.");
+                return 2;
+            }
+            if (useStdin) {
+                log.error("The --print-config option is not available for piped-in code.");
+                return 2;
+            }
+
+            const engine = new CLIEngine(translateOptions(currentOptions));
+            const fileConfig = engine.getConfigForFile(currentOptions.printConfig);
+
+            log.info(JSON.stringify(fileConfig, null, "  "));
+            return 0;
+        } else if (currentOptions.help || (!files.length && !useStdin)) {
+            log.info(options.generateHelp());
+        } else {
+            debug(`Running on ${useStdin ? "text" : "files"}`);
+
+            if (currentOptions.fix && currentOptions.fixDryRun) {
+                log.error("The --fix option and the --fix-dry-run option cannot be used together.");
+                return 2;
+            }
+
+            if (useStdin && currentOptions.fix) {
+                log.error("The --fix option is not available for piped-in code; use --fix-dry-run instead.");
+                return 2;
+            }
+
+            if (currentOptions.fixType && !currentOptions.fix && !currentOptions.fixDryRun) {
+                log.error("The --fix-type option requires either --fix or --fix-dry-run.");
+                return 2;
+            }
+
+            const engine = new CLIEngine(translateOptions(currentOptions));
+            const report = useStdin ? engine.executeOnText(text, currentOptions.stdinFilename, true) : engine.executeOnFiles(files);
+
+            if (currentOptions.fix) {
+                debug("Fix mode enabled - applying fixes");
+                CLIEngine.outputFixes(report);
+            }
+
+            if (currentOptions.quiet) {
+                debug("Quiet mode enabled - filtering out warnings");
+                report.results = CLIEngine.getErrorResults(report.results);
+            }
+
+            if (printResults(engine, report.results, currentOptions.format, currentOptions.outputFile)) {
+                const tooManyWarnings = currentOptions.maxWarnings >= 0 && report.warningCount > currentOptions.maxWarnings;
+
+                if (!report.errorCount && tooManyWarnings) {
+                    log.error("ESLint found too many warnings (maximum: %s).", currentOptions.maxWarnings);
+                }
+
+                return (report.errorCount || tooManyWarnings) ? 1 : 0;
+            }
+
+            return 2;
+        }
+
+        return 0;
+    }
+};
+
+module.exports = cli;
diff --git a/eslint/lib/init/autoconfig.js b/eslint/lib/init/autoconfig.js
new file mode 100644
index 0000000..64be3d2
--- /dev/null
+++ b/eslint/lib/init/autoconfig.js
@@ -0,0 +1,348 @@
+/**
+ * @fileoverview Used for creating a suggested configuration based on project code.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash"),
+    recConfig = require("../../conf/eslint-recommended"),
+    ConfigOps = require("../shared/config-ops"),
+    { Linter } = require("../linter"),
+    configRule = require("./config-rule");
+
+const debug = require("debug")("eslint:autoconfig");
+const linter = new Linter();
+
+//------------------------------------------------------------------------------
+// Data
+//------------------------------------------------------------------------------
+
+const MAX_CONFIG_COMBINATIONS = 17, // 16 combinations + 1 for severity only
+    RECOMMENDED_CONFIG_NAME = "eslint:recommended";
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Information about a rule configuration, in the context of a Registry.
+ * @typedef {Object}     registryItem
+ * @param   {ruleConfig} config        A valid configuration for the rule
+ * @param   {number}     specificity   The number of elements in the ruleConfig array
+ * @param   {number}     errorCount    The number of errors encountered when linting with the config
+ */
+
+/**
+ * This callback is used to measure execution status in a progress bar
+ * @callback progressCallback
+ * @param {number} The total number of times the callback will be called.
+ */
+
+/**
+ * Create registryItems for rules
+ * @param   {rulesConfig} rulesConfig Hash of rule names and arrays of ruleConfig items
+ * @returns {Object}                  registryItems for each rule in provided rulesConfig
+ */
+function makeRegistryItems(rulesConfig) {
+    return Object.keys(rulesConfig).reduce((accumulator, ruleId) => {
+        accumulator[ruleId] = rulesConfig[ruleId].map(config => ({
+            config,
+            specificity: config.length || 1,
+            errorCount: void 0
+        }));
+        return accumulator;
+    }, {});
+}
+
+/**
+ * Creates an object in which to store rule configs and error counts
+ *
+ * Unless a rulesConfig is provided at construction, the registry will not contain
+ * any rules, only methods.  This will be useful for building up registries manually.
+ *
+ * Registry class
+ */
+class Registry {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {rulesConfig} [rulesConfig] Hash of rule names and arrays of possible configurations
+     */
+    constructor(rulesConfig) {
+        this.rules = (rulesConfig) ? makeRegistryItems(rulesConfig) : {};
+    }
+
+    /**
+     * Populate the registry with core rule configs.
+     *
+     * It will set the registry's `rule` property to an object having rule names
+     * as keys and an array of registryItems as values.
+     * @returns {void}
+     */
+    populateFromCoreRules() {
+        const rulesConfig = configRule.createCoreRuleConfigs();
+
+        this.rules = makeRegistryItems(rulesConfig);
+    }
+
+    /**
+     * Creates sets of rule configurations which can be used for linting
+     * and initializes registry errors to zero for those configurations (side effect).
+     *
+     * This combines as many rules together as possible, such that the first sets
+     * in the array will have the highest number of rules configured, and later sets
+     * will have fewer and fewer, as not all rules have the same number of possible
+     * configurations.
+     *
+     * The length of the returned array will be <= MAX_CONFIG_COMBINATIONS.
+     * @returns {Object[]}          "rules" configurations to use for linting
+     */
+    buildRuleSets() {
+        let idx = 0;
+        const ruleIds = Object.keys(this.rules),
+            ruleSets = [];
+
+        /**
+         * Add a rule configuration from the registry to the ruleSets
+         *
+         * This is broken out into its own function so that it doesn't need to be
+         * created inside of the while loop.
+         * @param   {string} rule The ruleId to add.
+         * @returns {void}
+         */
+        const addRuleToRuleSet = function(rule) {
+
+            /*
+             * This check ensures that there is a rule configuration and that
+             * it has fewer than the max combinations allowed.
+             * If it has too many configs, we will only use the most basic of
+             * the possible configurations.
+             */
+            const hasFewCombos = (this.rules[rule].length <= MAX_CONFIG_COMBINATIONS);
+
+            if (this.rules[rule][idx] && (hasFewCombos || this.rules[rule][idx].specificity <= 2)) {
+
+                /*
+                 * If the rule has too many possible combinations, only take
+                 * simple ones, avoiding objects.
+                 */
+                if (!hasFewCombos && typeof this.rules[rule][idx].config[1] === "object") {
+                    return;
+                }
+
+                ruleSets[idx] = ruleSets[idx] || {};
+                ruleSets[idx][rule] = this.rules[rule][idx].config;
+
+                /*
+                 * Initialize errorCount to zero, since this is a config which
+                 * will be linted.
+                 */
+                this.rules[rule][idx].errorCount = 0;
+            }
+        }.bind(this);
+
+        while (ruleSets.length === idx) {
+            ruleIds.forEach(addRuleToRuleSet);
+            idx += 1;
+        }
+
+        return ruleSets;
+    }
+
+    /**
+     * Remove all items from the registry with a non-zero number of errors
+     *
+     * Note: this also removes rule configurations which were not linted
+     * (meaning, they have an undefined errorCount).
+     * @returns {void}
+     */
+    stripFailingConfigs() {
+        const ruleIds = Object.keys(this.rules),
+            newRegistry = new Registry();
+
+        newRegistry.rules = Object.assign({}, this.rules);
+        ruleIds.forEach(ruleId => {
+            const errorFreeItems = newRegistry.rules[ruleId].filter(registryItem => (registryItem.errorCount === 0));
+
+            if (errorFreeItems.length > 0) {
+                newRegistry.rules[ruleId] = errorFreeItems;
+            } else {
+                delete newRegistry.rules[ruleId];
+            }
+        });
+
+        return newRegistry;
+    }
+
+    /**
+     * Removes rule configurations which were not included in a ruleSet
+     * @returns {void}
+     */
+    stripExtraConfigs() {
+        const ruleIds = Object.keys(this.rules),
+            newRegistry = new Registry();
+
+        newRegistry.rules = Object.assign({}, this.rules);
+        ruleIds.forEach(ruleId => {
+            newRegistry.rules[ruleId] = newRegistry.rules[ruleId].filter(registryItem => (typeof registryItem.errorCount !== "undefined"));
+        });
+
+        return newRegistry;
+    }
+
+    /**
+     * Creates a registry of rules which had no error-free configs.
+     * The new registry is intended to be analyzed to determine whether its rules
+     * should be disabled or set to warning.
+     * @returns {Registry}  A registry of failing rules.
+     */
+    getFailingRulesRegistry() {
+        const ruleIds = Object.keys(this.rules),
+            failingRegistry = new Registry();
+
+        ruleIds.forEach(ruleId => {
+            const failingConfigs = this.rules[ruleId].filter(registryItem => (registryItem.errorCount > 0));
+
+            if (failingConfigs && failingConfigs.length === this.rules[ruleId].length) {
+                failingRegistry.rules[ruleId] = failingConfigs;
+            }
+        });
+
+        return failingRegistry;
+    }
+
+    /**
+     * Create an eslint config for any rules which only have one configuration
+     * in the registry.
+     * @returns {Object} An eslint config with rules section populated
+     */
+    createConfig() {
+        const ruleIds = Object.keys(this.rules),
+            config = { rules: {} };
+
+        ruleIds.forEach(ruleId => {
+            if (this.rules[ruleId].length === 1) {
+                config.rules[ruleId] = this.rules[ruleId][0].config;
+            }
+        });
+
+        return config;
+    }
+
+    /**
+     * Return a cloned registry containing only configs with a desired specificity
+     * @param   {number} specificity Only keep configs with this specificity
+     * @returns {Registry}           A registry of rules
+     */
+    filterBySpecificity(specificity) {
+        const ruleIds = Object.keys(this.rules),
+            newRegistry = new Registry();
+
+        newRegistry.rules = Object.assign({}, this.rules);
+        ruleIds.forEach(ruleId => {
+            newRegistry.rules[ruleId] = this.rules[ruleId].filter(registryItem => (registryItem.specificity === specificity));
+        });
+
+        return newRegistry;
+    }
+
+    /**
+     * Lint SourceCodes against all configurations in the registry, and record results
+     * @param   {Object[]} sourceCodes  SourceCode objects for each filename
+     * @param   {Object}   config       ESLint config object
+     * @param   {progressCallback} [cb] Optional callback for reporting execution status
+     * @returns {Registry}              New registry with errorCount populated
+     */
+    lintSourceCode(sourceCodes, config, cb) {
+        let lintedRegistry = new Registry();
+
+        lintedRegistry.rules = Object.assign({}, this.rules);
+
+        const ruleSets = lintedRegistry.buildRuleSets();
+
+        lintedRegistry = lintedRegistry.stripExtraConfigs();
+
+        debug("Linting with all possible rule combinations");
+
+        const filenames = Object.keys(sourceCodes);
+        const totalFilesLinting = filenames.length * ruleSets.length;
+
+        filenames.forEach(filename => {
+            debug(`Linting file: ${filename}`);
+
+            let ruleSetIdx = 0;
+
+            ruleSets.forEach(ruleSet => {
+                const lintConfig = Object.assign({}, config, { rules: ruleSet });
+                const lintResults = linter.verify(sourceCodes[filename], lintConfig);
+
+                lintResults.forEach(result => {
+
+                    /*
+                     * It is possible that the error is from a configuration comment
+                     * in a linted file, in which case there may not be a config
+                     * set in this ruleSetIdx.
+                     * (https://github.com/eslint/eslint/issues/5992)
+                     * (https://github.com/eslint/eslint/issues/7860)
+                     */
+                    if (
+                        lintedRegistry.rules[result.ruleId] &&
+                        lintedRegistry.rules[result.ruleId][ruleSetIdx]
+                    ) {
+                        lintedRegistry.rules[result.ruleId][ruleSetIdx].errorCount += 1;
+                    }
+                });
+
+                ruleSetIdx += 1;
+
+                if (cb) {
+                    cb(totalFilesLinting); // eslint-disable-line callback-return
+                }
+            });
+
+            // Deallocate for GC
+            sourceCodes[filename] = null;
+        });
+
+        return lintedRegistry;
+    }
+}
+
+/**
+ * Extract rule configuration into eslint:recommended where possible.
+ *
+ * This will return a new config with `"extends": "eslint:recommended"` and
+ * only the rules which have configurations different from the recommended config.
+ * @param   {Object} config config object
+ * @returns {Object}        config object using `"extends": "eslint:recommended"`
+ */
+function extendFromRecommended(config) {
+    const newConfig = Object.assign({}, config);
+
+    ConfigOps.normalizeToStrings(newConfig);
+
+    const recRules = Object.keys(recConfig.rules).filter(ruleId => ConfigOps.isErrorSeverity(recConfig.rules[ruleId]));
+
+    recRules.forEach(ruleId => {
+        if (lodash.isEqual(recConfig.rules[ruleId], newConfig.rules[ruleId])) {
+            delete newConfig.rules[ruleId];
+        }
+    });
+    newConfig.extends = RECOMMENDED_CONFIG_NAME;
+    return newConfig;
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    Registry,
+    extendFromRecommended
+};
diff --git a/eslint/lib/init/config-file.js b/eslint/lib/init/config-file.js
new file mode 100644
index 0000000..fc62b81
--- /dev/null
+++ b/eslint/lib/init/config-file.js
@@ -0,0 +1,143 @@
+/**
+ * @fileoverview Helper to locate and load configuration files.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    stringify = require("json-stable-stringify-without-jsonify");
+
+const debug = require("debug")("eslint:config-file");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines sort order for object keys for json-stable-stringify
+ *
+ * see: https://github.com/samn/json-stable-stringify#cmp
+ * @param   {Object} a The first comparison object ({key: akey, value: avalue})
+ * @param   {Object} b The second comparison object ({key: bkey, value: bvalue})
+ * @returns {number}   1 or -1, used in stringify cmp method
+ */
+function sortByKey(a, b) {
+    return a.key > b.key ? 1 : -1;
+}
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Writes a configuration file in JSON format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @private
+ */
+function writeJSONConfigFile(config, filePath) {
+    debug(`Writing JSON config file: ${filePath}`);
+
+    const content = `${stringify(config, { cmp: sortByKey, space: 4 })}\n`;
+
+    fs.writeFileSync(filePath, content, "utf8");
+}
+
+/**
+ * Writes a configuration file in YAML format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @private
+ */
+function writeYAMLConfigFile(config, filePath) {
+    debug(`Writing YAML config file: ${filePath}`);
+
+    // lazy load YAML to improve performance when not used
+    const yaml = require("js-yaml");
+
+    const content = yaml.safeDump(config, { sortKeys: true });
+
+    fs.writeFileSync(filePath, content, "utf8");
+}
+
+/**
+ * Writes a configuration file in JavaScript format.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @throws {Error} If an error occurs linting the config file contents.
+ * @returns {void}
+ * @private
+ */
+function writeJSConfigFile(config, filePath) {
+    debug(`Writing JS config file: ${filePath}`);
+
+    let contentToWrite;
+    const stringifiedContent = `module.exports = ${stringify(config, { cmp: sortByKey, space: 4 })};\n`;
+
+    try {
+        const { CLIEngine } = require("../cli-engine");
+        const linter = new CLIEngine({
+            baseConfig: config,
+            fix: true,
+            useEslintrc: false
+        });
+        const report = linter.executeOnText(stringifiedContent);
+
+        contentToWrite = report.results[0].output || stringifiedContent;
+    } catch (e) {
+        debug("Error linting JavaScript config file, writing unlinted version");
+        const errorMessage = e.message;
+
+        contentToWrite = stringifiedContent;
+        e.message = "An error occurred while generating your JavaScript config file. ";
+        e.message += "A config file was still generated, but the config file itself may not follow your linting rules.";
+        e.message += `\nError: ${errorMessage}`;
+        throw e;
+    } finally {
+        fs.writeFileSync(filePath, contentToWrite, "utf8");
+    }
+}
+
+/**
+ * Writes a configuration file.
+ * @param {Object} config The configuration object to write.
+ * @param {string} filePath The filename to write to.
+ * @returns {void}
+ * @throws {Error} When an unknown file type is specified.
+ * @private
+ */
+function write(config, filePath) {
+    switch (path.extname(filePath)) {
+        case ".js":
+            writeJSConfigFile(config, filePath);
+            break;
+
+        case ".json":
+            writeJSONConfigFile(config, filePath);
+            break;
+
+        case ".yaml":
+        case ".yml":
+            writeYAMLConfigFile(config, filePath);
+            break;
+
+        default:
+            throw new Error("Can't write to unknown file type.");
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    write
+};
diff --git a/eslint/lib/init/config-initializer.js b/eslint/lib/init/config-initializer.js
new file mode 100644
index 0000000..28dfad1
--- /dev/null
+++ b/eslint/lib/init/config-initializer.js
@@ -0,0 +1,674 @@
+/**
+ * @fileoverview Config initialization wizard.
+ * @author Ilya Volodin
+ */
+
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const util = require("util"),
+    path = require("path"),
+    inquirer = require("inquirer"),
+    ProgressBar = require("progress"),
+    semver = require("semver"),
+    recConfig = require("../../conf/eslint-recommended"),
+    ConfigOps = require("../shared/config-ops"),
+    log = require("../shared/logging"),
+    naming = require("../shared/naming"),
+    ModuleResolver = require("../shared/relative-module-resolver"),
+    autoconfig = require("./autoconfig.js"),
+    ConfigFile = require("./config-file"),
+    npmUtils = require("./npm-utils"),
+    { getSourceCodeOfFiles } = require("./source-code-utils");
+
+const debug = require("debug")("eslint:config-initializer");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+const DEFAULT_ECMA_VERSION = 2018;
+
+/* istanbul ignore next: hard to test fs function */
+/**
+ * Create .eslintrc file in the current working directory
+ * @param {Object} config object that contains user's answers
+ * @param {string} format The file format to write to.
+ * @returns {void}
+ */
+function writeFile(config, format) {
+
+    // default is .js
+    let extname = ".js";
+
+    if (format === "YAML") {
+        extname = ".yml";
+    } else if (format === "JSON") {
+        extname = ".json";
+    }
+
+    const installedESLint = config.installedESLint;
+
+    delete config.installedESLint;
+
+    ConfigFile.write(config, `./.eslintrc${extname}`);
+    log.info(`Successfully created .eslintrc${extname} file in ${process.cwd()}`);
+
+    if (installedESLint) {
+        log.info("ESLint was installed locally. We recommend using this local copy instead of your globally-installed copy.");
+    }
+}
+
+/**
+ * Get the peer dependencies of the given module.
+ * This adds the gotten value to cache at the first time, then reuses it.
+ * In a process, this function is called twice, but `npmUtils.fetchPeerDependencies` needs to access network which is relatively slow.
+ * @param {string} moduleName The module name to get.
+ * @returns {Object} The peer dependencies of the given module.
+ * This object is the object of `peerDependencies` field of `package.json`.
+ * Returns null if npm was not found.
+ */
+function getPeerDependencies(moduleName) {
+    let result = getPeerDependencies.cache.get(moduleName);
+
+    if (!result) {
+        log.info(`Checking peerDependencies of ${moduleName}`);
+
+        result = npmUtils.fetchPeerDependencies(moduleName);
+        getPeerDependencies.cache.set(moduleName, result);
+    }
+
+    return result;
+}
+getPeerDependencies.cache = new Map();
+
+/**
+ * Return necessary plugins, configs, parsers, etc. based on the config
+ * @param   {Object} config  config object
+ * @param   {boolean} [installESLint=true]  If `false` is given, it does not install eslint.
+ * @returns {string[]} An array of modules to be installed.
+ */
+function getModulesList(config, installESLint) {
+    const modules = {};
+
+    // Create a list of modules which should be installed based on config
+    if (config.plugins) {
+        for (const plugin of config.plugins) {
+            const moduleName = naming.normalizePackageName(plugin, "eslint-plugin");
+
+            modules[moduleName] = "latest";
+        }
+    }
+    if (config.extends) {
+        const extendList = Array.isArray(config.extends) ? config.extends : [config.extends];
+
+        for (const extend of extendList) {
+            if (extend.startsWith("eslint:") || extend.startsWith("plugin:")) {
+                continue;
+            }
+            const moduleName = naming.normalizePackageName(extend, "eslint-config");
+
+            modules[moduleName] = "latest";
+            Object.assign(
+                modules,
+                getPeerDependencies(`${moduleName}@latest`)
+            );
+        }
+    }
+
+    const parser = config.parser || (config.parserOptions && config.parserOptions.parser);
+
+    if (parser) {
+        modules[parser] = "latest";
+    }
+
+    if (installESLint === false) {
+        delete modules.eslint;
+    } else {
+        const installStatus = npmUtils.checkDevDeps(["eslint"]);
+
+        // Mark to show messages if it's new installation of eslint.
+        if (installStatus.eslint === false) {
+            log.info("Local ESLint installation not found.");
+            modules.eslint = modules.eslint || "latest";
+            config.installedESLint = true;
+        }
+    }
+
+    return Object.keys(modules).map(name => `${name}@${modules[name]}`);
+}
+
+/**
+ * Set the `rules` of a config by examining a user's source code
+ *
+ * Note: This clones the config object and returns a new config to avoid mutating
+ * the original config parameter.
+ * @param   {Object} answers  answers received from inquirer
+ * @param   {Object} config   config object
+ * @returns {Object}          config object with configured rules
+ */
+function configureRules(answers, config) {
+    const BAR_TOTAL = 20,
+        BAR_SOURCE_CODE_TOTAL = 4,
+        newConfig = Object.assign({}, config),
+        disabledConfigs = {};
+    let sourceCodes,
+        registry;
+
+    // Set up a progress bar, as this process can take a long time
+    const bar = new ProgressBar("Determining Config: :percent [:bar] :elapseds elapsed, eta :etas ", {
+        width: 30,
+        total: BAR_TOTAL
+    });
+
+    bar.tick(0); // Shows the progress bar
+
+    // Get the SourceCode of all chosen files
+    const patterns = answers.patterns.split(/[\s]+/u);
+
+    try {
+        sourceCodes = getSourceCodeOfFiles(patterns, { baseConfig: newConfig, useEslintrc: false }, total => {
+            bar.tick((BAR_SOURCE_CODE_TOTAL / total));
+        });
+    } catch (e) {
+        log.info("\n");
+        throw e;
+    }
+    const fileQty = Object.keys(sourceCodes).length;
+
+    if (fileQty === 0) {
+        log.info("\n");
+        throw new Error("Automatic Configuration failed.  No files were able to be parsed.");
+    }
+
+    // Create a registry of rule configs
+    registry = new autoconfig.Registry();
+    registry.populateFromCoreRules();
+
+    // Lint all files with each rule config in the registry
+    registry = registry.lintSourceCode(sourceCodes, newConfig, total => {
+        bar.tick((BAR_TOTAL - BAR_SOURCE_CODE_TOTAL) / total); // Subtract out ticks used at beginning
+    });
+    debug(`\nRegistry: ${util.inspect(registry.rules, { depth: null })}`);
+
+    // Create a list of recommended rules, because we don't want to disable them
+    const recRules = Object.keys(recConfig.rules).filter(ruleId => ConfigOps.isErrorSeverity(recConfig.rules[ruleId]));
+
+    // Find and disable rules which had no error-free configuration
+    const failingRegistry = registry.getFailingRulesRegistry();
+
+    Object.keys(failingRegistry.rules).forEach(ruleId => {
+
+        // If the rule is recommended, set it to error, otherwise disable it
+        disabledConfigs[ruleId] = (recRules.indexOf(ruleId) !== -1) ? 2 : 0;
+    });
+
+    // Now that we know which rules to disable, strip out configs with errors
+    registry = registry.stripFailingConfigs();
+
+    /*
+     * If there is only one config that results in no errors for a rule, we should use it.
+     * createConfig will only add rules that have one configuration in the registry.
+     */
+    const singleConfigs = registry.createConfig().rules;
+
+    /*
+     * The "sweet spot" for number of options in a config seems to be two (severity plus one option).
+     * Very often, a third option (usually an object) is available to address
+     * edge cases, exceptions, or unique situations. We will prefer to use a config with
+     * specificity of two.
+     */
+    const specTwoConfigs = registry.filterBySpecificity(2).createConfig().rules;
+
+    // Maybe a specific combination using all three options works
+    const specThreeConfigs = registry.filterBySpecificity(3).createConfig().rules;
+
+    // If all else fails, try to use the default (severity only)
+    const defaultConfigs = registry.filterBySpecificity(1).createConfig().rules;
+
+    // Combine configs in reverse priority order (later take precedence)
+    newConfig.rules = Object.assign({}, disabledConfigs, defaultConfigs, specThreeConfigs, specTwoConfigs, singleConfigs);
+
+    // Make sure progress bar has finished (floating point rounding)
+    bar.update(BAR_TOTAL);
+
+    // Log out some stats to let the user know what happened
+    const finalRuleIds = Object.keys(newConfig.rules);
+    const totalRules = finalRuleIds.length;
+    const enabledRules = finalRuleIds.filter(ruleId => (newConfig.rules[ruleId] !== 0)).length;
+    const resultMessage = [
+        `\nEnabled ${enabledRules} out of ${totalRules}`,
+        `rules based on ${fileQty}`,
+        `file${(fileQty === 1) ? "." : "s."}`
+    ].join(" ");
+
+    log.info(resultMessage);
+
+    ConfigOps.normalizeToStrings(newConfig);
+    return newConfig;
+}
+
+/**
+ * process user's answers and create config object
+ * @param {Object} answers answers received from inquirer
+ * @returns {Object} config object
+ */
+function processAnswers(answers) {
+    let config = {
+        rules: {},
+        env: {},
+        parserOptions: {},
+        extends: []
+    };
+
+    // set the latest ECMAScript version
+    config.parserOptions.ecmaVersion = DEFAULT_ECMA_VERSION;
+    config.env.es6 = true;
+    config.globals = {
+        Atomics: "readonly",
+        SharedArrayBuffer: "readonly"
+    };
+
+    // set the module type
+    if (answers.moduleType === "esm") {
+        config.parserOptions.sourceType = "module";
+    } else if (answers.moduleType === "commonjs") {
+        config.env.commonjs = true;
+    }
+
+    // add in browser and node environments if necessary
+    answers.env.forEach(env => {
+        config.env[env] = true;
+    });
+
+    // add in library information
+    if (answers.framework === "react") {
+        config.parserOptions.ecmaFeatures = {
+            jsx: true
+        };
+        config.plugins = ["react"];
+        config.extends.push("plugin:react/recommended");
+    } else if (answers.framework === "vue") {
+        config.plugins = ["vue"];
+        config.extends.push("plugin:vue/essential");
+    }
+
+    if (answers.typescript) {
+        if (answers.framework === "vue") {
+            config.parserOptions.parser = "@typescript-eslint/parser";
+        } else {
+            config.parser = "@typescript-eslint/parser";
+        }
+
+        if (Array.isArray(config.plugins)) {
+            config.plugins.push("@typescript-eslint");
+        } else {
+            config.plugins = ["@typescript-eslint"];
+        }
+    }
+
+    // setup rules based on problems/style enforcement preferences
+    if (answers.purpose === "problems") {
+        config.extends.unshift("eslint:recommended");
+    } else if (answers.purpose === "style") {
+        if (answers.source === "prompt") {
+            config.extends.unshift("eslint:recommended");
+            config.rules.indent = ["error", answers.indent];
+            config.rules.quotes = ["error", answers.quotes];
+            config.rules["linebreak-style"] = ["error", answers.linebreak];
+            config.rules.semi = ["error", answers.semi ? "always" : "never"];
+        } else if (answers.source === "auto") {
+            config = configureRules(answers, config);
+            config = autoconfig.extendFromRecommended(config);
+        }
+    }
+    if (answers.typescript && config.extends.includes("eslint:recommended")) {
+        config.extends.push("plugin:@typescript-eslint/eslint-recommended");
+    }
+
+    // normalize extends
+    if (config.extends.length === 0) {
+        delete config.extends;
+    } else if (config.extends.length === 1) {
+        config.extends = config.extends[0];
+    }
+
+    ConfigOps.normalizeToStrings(config);
+    return config;
+}
+
+/**
+ * Get the version of the local ESLint.
+ * @returns {string|null} The version. If the local ESLint was not found, returns null.
+ */
+function getLocalESLintVersion() {
+    try {
+        const eslintPath = ModuleResolver.resolve("eslint", path.join(process.cwd(), "__placeholder__.js"));
+        const eslint = require(eslintPath);
+
+        return eslint.linter.version || null;
+    } catch (_err) {
+        return null;
+    }
+}
+
+/**
+ * Get the shareable config name of the chosen style guide.
+ * @param {Object} answers The answers object.
+ * @returns {string} The shareable config name.
+ */
+function getStyleGuideName(answers) {
+    if (answers.styleguide === "airbnb" && answers.framework !== "react") {
+        return "airbnb-base";
+    }
+    return answers.styleguide;
+}
+
+/**
+ * Check whether the local ESLint version conflicts with the required version of the chosen shareable config.
+ * @param {Object} answers The answers object.
+ * @returns {boolean} `true` if the local ESLint is found then it conflicts with the required version of the chosen shareable config.
+ */
+function hasESLintVersionConflict(answers) {
+
+    // Get the local ESLint version.
+    const localESLintVersion = getLocalESLintVersion();
+
+    if (!localESLintVersion) {
+        return false;
+    }
+
+    // Get the required range of ESLint version.
+    const configName = getStyleGuideName(answers);
+    const moduleName = `eslint-config-${configName}@latest`;
+    const peerDependencies = getPeerDependencies(moduleName) || {};
+    const requiredESLintVersionRange = peerDependencies.eslint;
+
+    if (!requiredESLintVersionRange) {
+        return false;
+    }
+
+    answers.localESLintVersion = localESLintVersion;
+    answers.requiredESLintVersionRange = requiredESLintVersionRange;
+
+    // Check the version.
+    if (semver.satisfies(localESLintVersion, requiredESLintVersionRange)) {
+        answers.installESLint = false;
+        return false;
+    }
+
+    return true;
+}
+
+/**
+ * Install modules.
+ * @param   {string[]} modules Modules to be installed.
+ * @returns {void}
+ */
+function installModules(modules) {
+    log.info(`Installing ${modules.join(", ")}`);
+    npmUtils.installSyncSaveDev(modules);
+}
+
+/* istanbul ignore next: no need to test inquirer */
+/**
+ * Ask user to install modules.
+ * @param   {string[]} modules Array of modules to be installed.
+ * @param   {boolean} packageJsonExists Indicates if package.json is existed.
+ * @returns {Promise} Answer that indicates if user wants to install.
+ */
+function askInstallModules(modules, packageJsonExists) {
+
+    // If no modules, do nothing.
+    if (modules.length === 0) {
+        return Promise.resolve();
+    }
+
+    log.info("The config that you've selected requires the following dependencies:\n");
+    log.info(modules.join(" "));
+    return inquirer.prompt([
+        {
+            type: "confirm",
+            name: "executeInstallation",
+            message: "Would you like to install them now with npm?",
+            default: true,
+            when() {
+                return modules.length && packageJsonExists;
+            }
+        }
+    ]).then(({ executeInstallation }) => {
+        if (executeInstallation) {
+            installModules(modules);
+        }
+    });
+}
+
+/* istanbul ignore next: no need to test inquirer */
+/**
+ * Ask use a few questions on command prompt
+ * @returns {Promise} The promise with the result of the prompt
+ */
+function promptUser() {
+
+    return inquirer.prompt([
+        {
+            type: "list",
+            name: "purpose",
+            message: "How would you like to use ESLint?",
+            default: "problems",
+            choices: [
+                { name: "To check syntax only", value: "syntax" },
+                { name: "To check syntax and find problems", value: "problems" },
+                { name: "To check syntax, find problems, and enforce code style", value: "style" }
+            ]
+        },
+        {
+            type: "list",
+            name: "moduleType",
+            message: "What type of modules does your project use?",
+            default: "esm",
+            choices: [
+                { name: "JavaScript modules (import/export)", value: "esm" },
+                { name: "CommonJS (require/exports)", value: "commonjs" },
+                { name: "None of these", value: "none" }
+            ]
+        },
+        {
+            type: "list",
+            name: "framework",
+            message: "Which framework does your project use?",
+            default: "react",
+            choices: [
+                { name: "React", value: "react" },
+                { name: "Vue.js", value: "vue" },
+                { name: "None of these", value: "none" }
+            ]
+        },
+        {
+            type: "confirm",
+            name: "typescript",
+            message: "Does your project use TypeScript?",
+            default: false
+        },
+        {
+            type: "checkbox",
+            name: "env",
+            message: "Where does your code run?",
+            default: ["browser"],
+            choices: [
+                { name: "Browser", value: "browser" },
+                { name: "Node", value: "node" }
+            ]
+        },
+        {
+            type: "list",
+            name: "source",
+            message: "How would you like to define a style for your project?",
+            default: "guide",
+            choices: [
+                { name: "Use a popular style guide", value: "guide" },
+                { name: "Answer questions about your style", value: "prompt" },
+                { name: "Inspect your JavaScript file(s)", value: "auto" }
+            ],
+            when(answers) {
+                return answers.purpose === "style";
+            }
+        },
+        {
+            type: "list",
+            name: "styleguide",
+            message: "Which style guide do you want to follow?",
+            choices: [
+                { name: "Airbnb: https://github.com/airbnb/javascript", value: "airbnb" },
+                { name: "Standard: https://github.com/standard/standard", value: "standard" },
+                { name: "Google: https://github.com/google/eslint-config-google", value: "google" }
+            ],
+            when(answers) {
+                answers.packageJsonExists = npmUtils.checkPackageJson();
+                return answers.source === "guide" && answers.packageJsonExists;
+            }
+        },
+        {
+            type: "input",
+            name: "patterns",
+            message: "Which file(s), path(s), or glob(s) should be examined?",
+            when(answers) {
+                return (answers.source === "auto");
+            },
+            validate(input) {
+                if (input.trim().length === 0 && input.trim() !== ",") {
+                    return "You must tell us what code to examine. Try again.";
+                }
+                return true;
+            }
+        },
+        {
+            type: "list",
+            name: "format",
+            message: "What format do you want your config file to be in?",
+            default: "JavaScript",
+            choices: ["JavaScript", "YAML", "JSON"]
+        },
+        {
+            type: "confirm",
+            name: "installESLint",
+            message(answers) {
+                const verb = semver.ltr(answers.localESLintVersion, answers.requiredESLintVersionRange)
+                    ? "upgrade"
+                    : "downgrade";
+
+                return `The style guide "${answers.styleguide}" requires eslint@${answers.requiredESLintVersionRange}. You are currently using eslint@${answers.localESLintVersion}.\n  Do you want to ${verb}?`;
+            },
+            default: true,
+            when(answers) {
+                return answers.source === "guide" && answers.packageJsonExists && hasESLintVersionConflict(answers);
+            }
+        }
+    ]).then(earlyAnswers => {
+
+        // early exit if no style guide is necessary
+        if (earlyAnswers.purpose !== "style") {
+            const config = processAnswers(earlyAnswers);
+            const modules = getModulesList(config);
+
+            return askInstallModules(modules, earlyAnswers.packageJsonExists)
+                .then(() => writeFile(config, earlyAnswers.format));
+        }
+
+        // early exit if you are using a style guide
+        if (earlyAnswers.source === "guide") {
+            if (!earlyAnswers.packageJsonExists) {
+                log.info("A package.json is necessary to install plugins such as style guides. Run `npm init` to create a package.json file and try again.");
+                return void 0;
+            }
+            if (earlyAnswers.installESLint === false && !semver.satisfies(earlyAnswers.localESLintVersion, earlyAnswers.requiredESLintVersionRange)) {
+                log.info(`Note: it might not work since ESLint's version is mismatched with the ${earlyAnswers.styleguide} config.`);
+            }
+            if (earlyAnswers.styleguide === "airbnb" && earlyAnswers.framework !== "react") {
+                earlyAnswers.styleguide = "airbnb-base";
+            }
+
+            const config = processAnswers(earlyAnswers);
+
+            if (Array.isArray(config.extends)) {
+                config.extends.push(earlyAnswers.styleguide);
+            } else if (config.extends) {
+                config.extends = [config.extends, earlyAnswers.styleguide];
+            } else {
+                config.extends = [earlyAnswers.styleguide];
+            }
+
+            const modules = getModulesList(config);
+
+            return askInstallModules(modules, earlyAnswers.packageJsonExists)
+                .then(() => writeFile(config, earlyAnswers.format));
+
+        }
+
+        if (earlyAnswers.source === "auto") {
+            const combinedAnswers = Object.assign({}, earlyAnswers);
+            const config = processAnswers(combinedAnswers);
+            const modules = getModulesList(config);
+
+            return askInstallModules(modules).then(() => writeFile(config, earlyAnswers.format));
+        }
+
+        // continue with the style questions otherwise...
+        return inquirer.prompt([
+            {
+                type: "list",
+                name: "indent",
+                message: "What style of indentation do you use?",
+                default: "tab",
+                choices: [{ name: "Tabs", value: "tab" }, { name: "Spaces", value: 4 }]
+            },
+            {
+                type: "list",
+                name: "quotes",
+                message: "What quotes do you use for strings?",
+                default: "double",
+                choices: [{ name: "Double", value: "double" }, { name: "Single", value: "single" }]
+            },
+            {
+                type: "list",
+                name: "linebreak",
+                message: "What line endings do you use?",
+                default: "unix",
+                choices: [{ name: "Unix", value: "unix" }, { name: "Windows", value: "windows" }]
+            },
+            {
+                type: "confirm",
+                name: "semi",
+                message: "Do you require semicolons?",
+                default: true
+            }
+        ]).then(answers => {
+            const totalAnswers = Object.assign({}, earlyAnswers, answers);
+
+            const config = processAnswers(totalAnswers);
+            const modules = getModulesList(config);
+
+            return askInstallModules(modules).then(() => writeFile(config, earlyAnswers.format));
+        });
+    });
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+const init = {
+    getModulesList,
+    hasESLintVersionConflict,
+    installModules,
+    processAnswers,
+    /* istanbul ignore next */initializeConfig() {
+        return promptUser();
+    }
+};
+
+module.exports = init;
diff --git a/eslint/lib/init/config-rule.js b/eslint/lib/init/config-rule.js
new file mode 100644
index 0000000..7aec89c
--- /dev/null
+++ b/eslint/lib/init/config-rule.js
@@ -0,0 +1,317 @@
+/**
+ * @fileoverview Create configurations for a rule
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const builtInRules = require("../rules");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Wrap all of the elements of an array into arrays.
+ * @param   {*[]}     xs Any array.
+ * @returns {Array[]}    An array of arrays.
+ */
+function explodeArray(xs) {
+    return xs.reduce((accumulator, x) => {
+        accumulator.push([x]);
+        return accumulator;
+    }, []);
+}
+
+/**
+ * Mix two arrays such that each element of the second array is concatenated
+ * onto each element of the first array.
+ *
+ * For example:
+ * combineArrays([a, [b, c]], [x, y]); // -> [[a, x], [a, y], [b, c, x], [b, c, y]]
+ * @param   {Array} arr1 The first array to combine.
+ * @param   {Array} arr2 The second array to combine.
+ * @returns {Array}      A mixture of the elements of the first and second arrays.
+ */
+function combineArrays(arr1, arr2) {
+    const res = [];
+
+    if (arr1.length === 0) {
+        return explodeArray(arr2);
+    }
+    if (arr2.length === 0) {
+        return explodeArray(arr1);
+    }
+    arr1.forEach(x1 => {
+        arr2.forEach(x2 => {
+            res.push([].concat(x1, x2));
+        });
+    });
+    return res;
+}
+
+/**
+ * Group together valid rule configurations based on object properties
+ *
+ * e.g.:
+ * groupByProperty([
+ *     {before: true},
+ *     {before: false},
+ *     {after: true},
+ *     {after: false}
+ * ]);
+ *
+ * will return:
+ * [
+ *     [{before: true}, {before: false}],
+ *     [{after: true}, {after: false}]
+ * ]
+ * @param   {Object[]} objects Array of objects, each with one property/value pair
+ * @returns {Array[]}          Array of arrays of objects grouped by property
+ */
+function groupByProperty(objects) {
+    const groupedObj = objects.reduce((accumulator, obj) => {
+        const prop = Object.keys(obj)[0];
+
+        accumulator[prop] = accumulator[prop] ? accumulator[prop].concat(obj) : [obj];
+        return accumulator;
+    }, {});
+
+    return Object.keys(groupedObj).map(prop => groupedObj[prop]);
+}
+
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Configuration settings for a rule.
+ *
+ * A configuration can be a single number (severity), or an array where the first
+ * element in the array is the severity, and is the only required element.
+ * Configs may also have one or more additional elements to specify rule
+ * configuration or options.
+ * @typedef {Array|number} ruleConfig
+ * @param {number}  0  The rule's severity (0, 1, 2).
+ */
+
+/**
+ * Object whose keys are rule names and values are arrays of valid ruleConfig items
+ * which should be linted against the target source code to determine error counts.
+ * (a ruleConfigSet.ruleConfigs).
+ *
+ * e.g. rulesConfig = {
+ *     "comma-dangle": [2, [2, "always"], [2, "always-multiline"], [2, "never"]],
+ *     "no-console": [2]
+ * }
+ * @typedef rulesConfig
+ */
+
+
+/**
+ * Create valid rule configurations by combining two arrays,
+ * with each array containing multiple objects each with a
+ * single property/value pair and matching properties.
+ *
+ * e.g.:
+ * combinePropertyObjects(
+ *     [{before: true}, {before: false}],
+ *     [{after: true}, {after: false}]
+ * );
+ *
+ * will return:
+ * [
+ *     {before: true, after: true},
+ *     {before: true, after: false},
+ *     {before: false, after: true},
+ *     {before: false, after: false}
+ * ]
+ * @param   {Object[]} objArr1 Single key/value objects, all with the same key
+ * @param   {Object[]} objArr2 Single key/value objects, all with another key
+ * @returns {Object[]}         Combined objects for each combination of input properties and values
+ */
+function combinePropertyObjects(objArr1, objArr2) {
+    const res = [];
+
+    if (objArr1.length === 0) {
+        return objArr2;
+    }
+    if (objArr2.length === 0) {
+        return objArr1;
+    }
+    objArr1.forEach(obj1 => {
+        objArr2.forEach(obj2 => {
+            const combinedObj = {};
+            const obj1Props = Object.keys(obj1);
+            const obj2Props = Object.keys(obj2);
+
+            obj1Props.forEach(prop1 => {
+                combinedObj[prop1] = obj1[prop1];
+            });
+            obj2Props.forEach(prop2 => {
+                combinedObj[prop2] = obj2[prop2];
+            });
+            res.push(combinedObj);
+        });
+    });
+    return res;
+}
+
+/**
+ * Creates a new instance of a rule configuration set
+ *
+ * A rule configuration set is an array of configurations that are valid for a
+ * given rule.  For example, the configuration set for the "semi" rule could be:
+ *
+ * ruleConfigSet.ruleConfigs // -> [[2], [2, "always"], [2, "never"]]
+ *
+ * Rule configuration set class
+ */
+class RuleConfigSet {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {ruleConfig[]} configs Valid rule configurations
+     */
+    constructor(configs) {
+
+        /**
+         * Stored valid rule configurations for this instance
+         * @type {Array}
+         */
+        this.ruleConfigs = configs || [];
+    }
+
+    /**
+     * Add a severity level to the front of all configs in the instance.
+     * This should only be called after all configs have been added to the instance.
+     * @returns {void}
+     */
+    addErrorSeverity() {
+        const severity = 2;
+
+        this.ruleConfigs = this.ruleConfigs.map(config => {
+            config.unshift(severity);
+            return config;
+        });
+
+        // Add a single config at the beginning consisting of only the severity
+        this.ruleConfigs.unshift(severity);
+    }
+
+    /**
+     * Add rule configs from an array of strings (schema enums)
+     * @param  {string[]} enums Array of valid rule options (e.g. ["always", "never"])
+     * @returns {void}
+     */
+    addEnums(enums) {
+        this.ruleConfigs = this.ruleConfigs.concat(combineArrays(this.ruleConfigs, enums));
+    }
+
+    /**
+     * Add rule configurations from a schema object
+     * @param  {Object} obj Schema item with type === "object"
+     * @returns {boolean} true if at least one schema for the object could be generated, false otherwise
+     */
+    addObject(obj) {
+        const objectConfigSet = {
+            objectConfigs: [],
+            add(property, values) {
+                for (let idx = 0; idx < values.length; idx++) {
+                    const optionObj = {};
+
+                    optionObj[property] = values[idx];
+                    this.objectConfigs.push(optionObj);
+                }
+            },
+
+            combine() {
+                this.objectConfigs = groupByProperty(this.objectConfigs).reduce((accumulator, objArr) => combinePropertyObjects(accumulator, objArr), []);
+            }
+        };
+
+        /*
+         * The object schema could have multiple independent properties.
+         * If any contain enums or booleans, they can be added and then combined
+         */
+        Object.keys(obj.properties).forEach(prop => {
+            if (obj.properties[prop].enum) {
+                objectConfigSet.add(prop, obj.properties[prop].enum);
+            }
+            if (obj.properties[prop].type && obj.properties[prop].type === "boolean") {
+                objectConfigSet.add(prop, [true, false]);
+            }
+        });
+        objectConfigSet.combine();
+
+        if (objectConfigSet.objectConfigs.length > 0) {
+            this.ruleConfigs = this.ruleConfigs.concat(combineArrays(this.ruleConfigs, objectConfigSet.objectConfigs));
+            return true;
+        }
+
+        return false;
+    }
+}
+
+/**
+ * Generate valid rule configurations based on a schema object
+ * @param   {Object} schema  A rule's schema object
+ * @returns {Array[]}        Valid rule configurations
+ */
+function generateConfigsFromSchema(schema) {
+    const configSet = new RuleConfigSet();
+
+    if (Array.isArray(schema)) {
+        for (const opt of schema) {
+            if (opt.enum) {
+                configSet.addEnums(opt.enum);
+            } else if (opt.type && opt.type === "object") {
+                if (!configSet.addObject(opt)) {
+                    break;
+                }
+
+            // TODO (IanVS): support oneOf
+            } else {
+
+                // If we don't know how to fill in this option, don't fill in any of the following options.
+                break;
+            }
+        }
+    }
+    configSet.addErrorSeverity();
+    return configSet.ruleConfigs;
+}
+
+/**
+ * Generate possible rule configurations for all of the core rules
+ * @param {boolean} noDeprecated Indicates whether ignores deprecated rules or not.
+ * @returns {rulesConfig} Hash of rule names and arrays of possible configurations
+ */
+function createCoreRuleConfigs(noDeprecated = false) {
+    return Array.from(builtInRules).reduce((accumulator, [id, rule]) => {
+        const schema = (typeof rule === "function") ? rule.schema : rule.meta.schema;
+        const isDeprecated = (typeof rule === "function") ? rule.deprecated : rule.meta.deprecated;
+
+        if (noDeprecated && isDeprecated) {
+            return accumulator;
+        }
+
+        accumulator[id] = generateConfigsFromSchema(schema);
+        return accumulator;
+    }, {});
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    generateConfigsFromSchema,
+    createCoreRuleConfigs
+};
diff --git a/eslint/lib/init/npm-utils.js b/eslint/lib/init/npm-utils.js
new file mode 100644
index 0000000..555ea2b
--- /dev/null
+++ b/eslint/lib/init/npm-utils.js
@@ -0,0 +1,178 @@
+/**
+ * @fileoverview Utility for executing npm commands.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    spawn = require("cross-spawn"),
+    path = require("path"),
+    log = require("../shared/logging");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Find the closest package.json file, starting at process.cwd (by default),
+ * and working up to root.
+ * @param   {string} [startDir=process.cwd()] Starting directory
+ * @returns {string}                          Absolute path to closest package.json file
+ */
+function findPackageJson(startDir) {
+    let dir = path.resolve(startDir || process.cwd());
+
+    do {
+        const pkgFile = path.join(dir, "package.json");
+
+        if (!fs.existsSync(pkgFile) || !fs.statSync(pkgFile).isFile()) {
+            dir = path.join(dir, "..");
+            continue;
+        }
+        return pkgFile;
+    } while (dir !== path.resolve(dir, ".."));
+    return null;
+}
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Install node modules synchronously and save to devDependencies in package.json
+ * @param   {string|string[]} packages Node module or modules to install
+ * @returns {void}
+ */
+function installSyncSaveDev(packages) {
+    const packageList = Array.isArray(packages) ? packages : [packages];
+    const npmProcess = spawn.sync("npm", ["i", "--save-dev"].concat(packageList),
+        { stdio: "inherit" });
+    const error = npmProcess.error;
+
+    if (error && error.code === "ENOENT") {
+        const pluralS = packageList.length > 1 ? "s" : "";
+
+        log.error(`Could not execute npm. Please install the following package${pluralS} with a package manager of your choice: ${packageList.join(", ")}`);
+    }
+}
+
+/**
+ * Fetch `peerDependencies` of the given package by `npm show` command.
+ * @param {string} packageName The package name to fetch peerDependencies.
+ * @returns {Object} Gotten peerDependencies. Returns null if npm was not found.
+ */
+function fetchPeerDependencies(packageName) {
+    const npmProcess = spawn.sync(
+        "npm",
+        ["show", "--json", packageName, "peerDependencies"],
+        { encoding: "utf8" }
+    );
+
+    const error = npmProcess.error;
+
+    if (error && error.code === "ENOENT") {
+        return null;
+    }
+    const fetchedText = npmProcess.stdout.trim();
+
+    return JSON.parse(fetchedText || "{}");
+
+
+}
+
+/**
+ * Check whether node modules are include in a project's package.json.
+ * @param   {string[]} packages           Array of node module names
+ * @param   {Object}  opt                 Options Object
+ * @param   {boolean} opt.dependencies    Set to true to check for direct dependencies
+ * @param   {boolean} opt.devDependencies Set to true to check for development dependencies
+ * @param   {boolean} opt.startdir        Directory to begin searching from
+ * @returns {Object}                      An object whose keys are the module names
+ *                                        and values are booleans indicating installation.
+ */
+function check(packages, opt) {
+    const deps = new Set();
+    const pkgJson = (opt) ? findPackageJson(opt.startDir) : findPackageJson();
+    let fileJson;
+
+    if (!pkgJson) {
+        throw new Error("Could not find a package.json file. Run 'npm init' to create one.");
+    }
+
+    try {
+        fileJson = JSON.parse(fs.readFileSync(pkgJson, "utf8"));
+    } catch (e) {
+        const error = new Error(e);
+
+        error.messageTemplate = "failed-to-read-json";
+        error.messageData = {
+            path: pkgJson,
+            message: e.message
+        };
+        throw error;
+    }
+
+    ["dependencies", "devDependencies"].forEach(key => {
+        if (opt[key] && typeof fileJson[key] === "object") {
+            Object.keys(fileJson[key]).forEach(dep => deps.add(dep));
+        }
+    });
+
+    return packages.reduce((status, pkg) => {
+        status[pkg] = deps.has(pkg);
+        return status;
+    }, {});
+}
+
+/**
+ * Check whether node modules are included in the dependencies of a project's
+ * package.json.
+ *
+ * Convenience wrapper around check().
+ * @param   {string[]} packages  Array of node modules to check.
+ * @param   {string}   rootDir   The directory containing a package.json
+ * @returns {Object}             An object whose keys are the module names
+ *                               and values are booleans indicating installation.
+ */
+function checkDeps(packages, rootDir) {
+    return check(packages, { dependencies: true, startDir: rootDir });
+}
+
+/**
+ * Check whether node modules are included in the devDependencies of a project's
+ * package.json.
+ *
+ * Convenience wrapper around check().
+ * @param   {string[]} packages  Array of node modules to check.
+ * @returns {Object}             An object whose keys are the module names
+ *                               and values are booleans indicating installation.
+ */
+function checkDevDeps(packages) {
+    return check(packages, { devDependencies: true });
+}
+
+/**
+ * Check whether package.json is found in current path.
+ * @param   {string} [startDir] Starting directory
+ * @returns {boolean} Whether a package.json is found in current path.
+ */
+function checkPackageJson(startDir) {
+    return !!findPackageJson(startDir);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    installSyncSaveDev,
+    fetchPeerDependencies,
+    checkDeps,
+    checkDevDeps,
+    checkPackageJson
+};
diff --git a/eslint/lib/init/source-code-utils.js b/eslint/lib/init/source-code-utils.js
new file mode 100644
index 0000000..dfc170a
--- /dev/null
+++ b/eslint/lib/init/source-code-utils.js
@@ -0,0 +1,109 @@
+/**
+ * @fileoverview Tools for obtaining SourceCode objects.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { CLIEngine } = require("../cli-engine");
+
+/*
+ * This is used for:
+ *
+ * 1. Enumerate target file because we have not expose such a API on `CLIEngine`
+ *    (https://github.com/eslint/eslint/issues/11222).
+ * 2. Create `SourceCode` instances. Because we don't have any function which
+ *    instantiate `SourceCode` so it needs to take the created `SourceCode`
+ *    instance out after linting.
+ *
+ * TODO1: Expose the API that enumerates target files.
+ * TODO2: Extract the creation logic of `SourceCode` from `Linter` class.
+ */
+const { getCLIEngineInternalSlots } = require("../cli-engine/cli-engine"); // eslint-disable-line no-restricted-modules
+
+const debug = require("debug")("eslint:source-code-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the SourceCode object for a single file
+ * @param   {string}     filename The fully resolved filename to get SourceCode from.
+ * @param   {Object}     engine  A CLIEngine.
+ * @returns {Array}               Array of the SourceCode object representing the file
+ *                                and fatal error message.
+ */
+function getSourceCodeOfFile(filename, engine) {
+    debug("getting sourceCode of", filename);
+    const results = engine.executeOnFiles([filename]);
+
+    if (results && results.results[0] && results.results[0].messages[0] && results.results[0].messages[0].fatal) {
+        const msg = results.results[0].messages[0];
+
+        throw new Error(`(${filename}:${msg.line}:${msg.column}) ${msg.message}`);
+    }
+
+    // TODO: extract the logic that creates source code objects to `SourceCode#parse(text, options)` or something like.
+    const { linter } = getCLIEngineInternalSlots(engine);
+    const sourceCode = linter.getSourceCode();
+
+    return sourceCode;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+/**
+ * This callback is used to measure execution status in a progress bar
+ * @callback progressCallback
+ * @param {number} The total number of times the callback will be called.
+ */
+
+/**
+ * Gets the SourceCode of a single file, or set of files.
+ * @param {string[]|string} patterns A filename, directory name, or glob, or an array of them
+ * @param {Object} options A CLIEngine options object. If not provided, the default cli options will be used.
+ * @param {progressCallback} callback Callback for reporting execution status
+ * @returns {Object} The SourceCode of all processed files.
+ */
+function getSourceCodeOfFiles(patterns, options, callback) {
+    const sourceCodes = {};
+    const globPatternsList = typeof patterns === "string" ? [patterns] : patterns;
+    const engine = new CLIEngine({ ...options, rules: {} });
+
+    // TODO: make file iteration as a public API and use it.
+    const { fileEnumerator } = getCLIEngineInternalSlots(engine);
+    const filenames =
+        Array.from(fileEnumerator.iterateFiles(globPatternsList))
+            .filter(entry => !entry.ignored)
+            .map(entry => entry.filePath);
+
+    if (filenames.length === 0) {
+        debug(`Did not find any files matching pattern(s): ${globPatternsList}`);
+    }
+
+    filenames.forEach(filename => {
+        const sourceCode = getSourceCodeOfFile(filename, engine);
+
+        if (sourceCode) {
+            debug("got sourceCode of", filename);
+            sourceCodes[filename] = sourceCode;
+        }
+        if (callback) {
+            callback(filenames.length); // eslint-disable-line callback-return
+        }
+    });
+
+    return sourceCodes;
+}
+
+module.exports = {
+    getSourceCodeOfFiles
+};
diff --git a/eslint/lib/linter/apply-disable-directives.js b/eslint/lib/linter/apply-disable-directives.js
new file mode 100644
index 0000000..41d6934
--- /dev/null
+++ b/eslint/lib/linter/apply-disable-directives.js
@@ -0,0 +1,167 @@
+/**
+ * @fileoverview A module that filters reported problems based on `eslint-disable` and `eslint-enable` comments
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const lodash = require("lodash");
+
+/**
+ * Compares the locations of two objects in a source file
+ * @param {{line: number, column: number}} itemA The first object
+ * @param {{line: number, column: number}} itemB The second object
+ * @returns {number} A value less than 1 if itemA appears before itemB in the source file, greater than 1 if
+ * itemA appears after itemB in the source file, or 0 if itemA and itemB have the same location.
+ */
+function compareLocations(itemA, itemB) {
+    return itemA.line - itemB.line || itemA.column - itemB.column;
+}
+
+/**
+ * This is the same as the exported function, except that it
+ * doesn't handle disable-line and disable-next-line directives, and it always reports unused
+ * disable directives.
+ * @param {Object} options options for applying directives. This is the same as the options
+ * for the exported function, except that `reportUnusedDisableDirectives` is not supported
+ * (this function always reports unused disable directives).
+ * @returns {{problems: Problem[], unusedDisableDirectives: Problem[]}} An object with a list
+ * of filtered problems and unused eslint-disable directives
+ */
+function applyDirectives(options) {
+    const problems = [];
+    let nextDirectiveIndex = 0;
+    let currentGlobalDisableDirective = null;
+    const disabledRuleMap = new Map();
+
+    // enabledRules is only used when there is a current global disable directive.
+    const enabledRules = new Set();
+    const usedDisableDirectives = new Set();
+
+    for (const problem of options.problems) {
+        while (
+            nextDirectiveIndex < options.directives.length &&
+            compareLocations(options.directives[nextDirectiveIndex], problem) <= 0
+        ) {
+            const directive = options.directives[nextDirectiveIndex++];
+
+            switch (directive.type) {
+                case "disable":
+                    if (directive.ruleId === null) {
+                        currentGlobalDisableDirective = directive;
+                        disabledRuleMap.clear();
+                        enabledRules.clear();
+                    } else if (currentGlobalDisableDirective) {
+                        enabledRules.delete(directive.ruleId);
+                        disabledRuleMap.set(directive.ruleId, directive);
+                    } else {
+                        disabledRuleMap.set(directive.ruleId, directive);
+                    }
+                    break;
+
+                case "enable":
+                    if (directive.ruleId === null) {
+                        currentGlobalDisableDirective = null;
+                        disabledRuleMap.clear();
+                    } else if (currentGlobalDisableDirective) {
+                        enabledRules.add(directive.ruleId);
+                        disabledRuleMap.delete(directive.ruleId);
+                    } else {
+                        disabledRuleMap.delete(directive.ruleId);
+                    }
+                    break;
+
+                // no default
+            }
+        }
+
+        if (disabledRuleMap.has(problem.ruleId)) {
+            usedDisableDirectives.add(disabledRuleMap.get(problem.ruleId));
+        } else if (currentGlobalDisableDirective && !enabledRules.has(problem.ruleId)) {
+            usedDisableDirectives.add(currentGlobalDisableDirective);
+        } else {
+            problems.push(problem);
+        }
+    }
+
+    const unusedDisableDirectives = options.directives
+        .filter(directive => directive.type === "disable" && !usedDisableDirectives.has(directive))
+        .map(directive => ({
+            ruleId: null,
+            message: directive.ruleId
+                ? `Unused eslint-disable directive (no problems were reported from '${directive.ruleId}').`
+                : "Unused eslint-disable directive (no problems were reported).",
+            line: directive.unprocessedDirective.line,
+            column: directive.unprocessedDirective.column,
+            severity: options.reportUnusedDisableDirectives === "warn" ? 1 : 2,
+            nodeType: null
+        }));
+
+    return { problems, unusedDisableDirectives };
+}
+
+/**
+ * Given a list of directive comments (i.e. metadata about eslint-disable and eslint-enable comments) and a list
+ * of reported problems, determines which problems should be reported.
+ * @param {Object} options Information about directives and problems
+ * @param {{
+ *      type: ("disable"|"enable"|"disable-line"|"disable-next-line"),
+ *      ruleId: (string|null),
+ *      line: number,
+ *      column: number
+ * }} options.directives Directive comments found in the file, with one-based columns.
+ * Two directive comments can only have the same location if they also have the same type (e.g. a single eslint-disable
+ * comment for two different rules is represented as two directives).
+ * @param {{ruleId: (string|null), line: number, column: number}[]} options.problems
+ * A list of problems reported by rules, sorted by increasing location in the file, with one-based columns.
+ * @param {"off" | "warn" | "error"} options.reportUnusedDisableDirectives If `"warn"` or `"error"`, adds additional problems for unused directives
+ * @returns {{ruleId: (string|null), line: number, column: number}[]}
+ * A list of reported problems that were not disabled by the directive comments.
+ */
+module.exports = ({ directives, problems, reportUnusedDisableDirectives = "off" }) => {
+    const blockDirectives = directives
+        .filter(directive => directive.type === "disable" || directive.type === "enable")
+        .map(directive => Object.assign({}, directive, { unprocessedDirective: directive }))
+        .sort(compareLocations);
+
+    const lineDirectives = lodash.flatMap(directives, directive => {
+        switch (directive.type) {
+            case "disable":
+            case "enable":
+                return [];
+
+            case "disable-line":
+                return [
+                    { type: "disable", line: directive.line, column: 1, ruleId: directive.ruleId, unprocessedDirective: directive },
+                    { type: "enable", line: directive.line + 1, column: 0, ruleId: directive.ruleId, unprocessedDirective: directive }
+                ];
+
+            case "disable-next-line":
+                return [
+                    { type: "disable", line: directive.line + 1, column: 1, ruleId: directive.ruleId, unprocessedDirective: directive },
+                    { type: "enable", line: directive.line + 2, column: 0, ruleId: directive.ruleId, unprocessedDirective: directive }
+                ];
+
+            default:
+                throw new TypeError(`Unrecognized directive type '${directive.type}'`);
+        }
+    }).sort(compareLocations);
+
+    const blockDirectivesResult = applyDirectives({
+        problems,
+        directives: blockDirectives,
+        reportUnusedDisableDirectives
+    });
+    const lineDirectivesResult = applyDirectives({
+        problems: blockDirectivesResult.problems,
+        directives: lineDirectives,
+        reportUnusedDisableDirectives
+    });
+
+    return reportUnusedDisableDirectives !== "off"
+        ? lineDirectivesResult.problems
+            .concat(blockDirectivesResult.unusedDisableDirectives)
+            .concat(lineDirectivesResult.unusedDisableDirectives)
+            .sort(compareLocations)
+        : lineDirectivesResult.problems;
+};
diff --git a/eslint/lib/linter/code-path-analysis/code-path-analyzer.js b/eslint/lib/linter/code-path-analysis/code-path-analyzer.js
new file mode 100644
index 0000000..8a623e3
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/code-path-analyzer.js
@@ -0,0 +1,684 @@
+/**
+ * @fileoverview A class of the code path analyzer.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert"),
+    { breakableTypePattern } = require("../../shared/ast-utils"),
+    CodePath = require("./code-path"),
+    CodePathSegment = require("./code-path-segment"),
+    IdGenerator = require("./id-generator"),
+    debug = require("./debug-helpers");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a `case` node (not `default` node).
+ * @param {ASTNode} node A `SwitchCase` node to check.
+ * @returns {boolean} `true` if the node is a `case` node (not `default` node).
+ */
+function isCaseNode(node) {
+    return Boolean(node.test);
+}
+
+/**
+ * Checks whether the given logical operator is taken into account for the code
+ * path analysis.
+ * @param {string} operator The operator found in the LogicalExpression node
+ * @returns {boolean} `true` if the operator is "&&" or "||"
+ */
+function isHandledLogicalOperator(operator) {
+    return operator === "&&" || operator === "||";
+}
+
+/**
+ * Gets the label if the parent node of a given node is a LabeledStatement.
+ * @param {ASTNode} node A node to get.
+ * @returns {string|null} The label or `null`.
+ */
+function getLabel(node) {
+    if (node.parent.type === "LabeledStatement") {
+        return node.parent.label.name;
+    }
+    return null;
+}
+
+/**
+ * Checks whether or not a given logical expression node goes different path
+ * between the `true` case and the `false` case.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a test of a choice statement.
+ */
+function isForkingByTrueOrFalse(node) {
+    const parent = node.parent;
+
+    switch (parent.type) {
+        case "ConditionalExpression":
+        case "IfStatement":
+        case "WhileStatement":
+        case "DoWhileStatement":
+        case "ForStatement":
+            return parent.test === node;
+
+        case "LogicalExpression":
+            return isHandledLogicalOperator(parent.operator);
+
+        default:
+            return false;
+    }
+}
+
+/**
+ * Gets the boolean value of a given literal node.
+ *
+ * This is used to detect infinity loops (e.g. `while (true) {}`).
+ * Statements preceded by an infinity loop are unreachable if the loop didn't
+ * have any `break` statement.
+ * @param {ASTNode} node A node to get.
+ * @returns {boolean|undefined} a boolean value if the node is a Literal node,
+ *   otherwise `undefined`.
+ */
+function getBooleanValueIfSimpleConstant(node) {
+    if (node.type === "Literal") {
+        return Boolean(node.value);
+    }
+    return void 0;
+}
+
+/**
+ * Checks that a given identifier node is a reference or not.
+ *
+ * This is used to detect the first throwable node in a `try` block.
+ * @param {ASTNode} node An Identifier node to check.
+ * @returns {boolean} `true` if the node is a reference.
+ */
+function isIdentifierReference(node) {
+    const parent = node.parent;
+
+    switch (parent.type) {
+        case "LabeledStatement":
+        case "BreakStatement":
+        case "ContinueStatement":
+        case "ArrayPattern":
+        case "RestElement":
+        case "ImportSpecifier":
+        case "ImportDefaultSpecifier":
+        case "ImportNamespaceSpecifier":
+        case "CatchClause":
+            return false;
+
+        case "FunctionDeclaration":
+        case "FunctionExpression":
+        case "ArrowFunctionExpression":
+        case "ClassDeclaration":
+        case "ClassExpression":
+        case "VariableDeclarator":
+            return parent.id !== node;
+
+        case "Property":
+        case "MethodDefinition":
+            return (
+                parent.key !== node ||
+                parent.computed ||
+                parent.shorthand
+            );
+
+        case "AssignmentPattern":
+            return parent.key !== node;
+
+        default:
+            return true;
+    }
+}
+
+/**
+ * Updates the current segment with the head segment.
+ * This is similar to local branches and tracking branches of git.
+ *
+ * To separate the current and the head is in order to not make useless segments.
+ *
+ * In this process, both "onCodePathSegmentStart" and "onCodePathSegmentEnd"
+ * events are fired.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function forwardCurrentToHead(analyzer, node) {
+    const codePath = analyzer.codePath;
+    const state = CodePath.getState(codePath);
+    const currentSegments = state.currentSegments;
+    const headSegments = state.headSegments;
+    const end = Math.max(currentSegments.length, headSegments.length);
+    let i, currentSegment, headSegment;
+
+    // Fires leaving events.
+    for (i = 0; i < end; ++i) {
+        currentSegment = currentSegments[i];
+        headSegment = headSegments[i];
+
+        if (currentSegment !== headSegment && currentSegment) {
+            debug.dump(`onCodePathSegmentEnd ${currentSegment.id}`);
+
+            if (currentSegment.reachable) {
+                analyzer.emitter.emit(
+                    "onCodePathSegmentEnd",
+                    currentSegment,
+                    node
+                );
+            }
+        }
+    }
+
+    // Update state.
+    state.currentSegments = headSegments;
+
+    // Fires entering events.
+    for (i = 0; i < end; ++i) {
+        currentSegment = currentSegments[i];
+        headSegment = headSegments[i];
+
+        if (currentSegment !== headSegment && headSegment) {
+            debug.dump(`onCodePathSegmentStart ${headSegment.id}`);
+
+            CodePathSegment.markUsed(headSegment);
+            if (headSegment.reachable) {
+                analyzer.emitter.emit(
+                    "onCodePathSegmentStart",
+                    headSegment,
+                    node
+                );
+            }
+        }
+    }
+
+}
+
+/**
+ * Updates the current segment with empty.
+ * This is called at the last of functions or the program.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function leaveFromCurrentSegment(analyzer, node) {
+    const state = CodePath.getState(analyzer.codePath);
+    const currentSegments = state.currentSegments;
+
+    for (let i = 0; i < currentSegments.length; ++i) {
+        const currentSegment = currentSegments[i];
+
+        debug.dump(`onCodePathSegmentEnd ${currentSegment.id}`);
+        if (currentSegment.reachable) {
+            analyzer.emitter.emit(
+                "onCodePathSegmentEnd",
+                currentSegment,
+                node
+            );
+        }
+    }
+
+    state.currentSegments = [];
+}
+
+/**
+ * Updates the code path due to the position of a given node in the parent node
+ * thereof.
+ *
+ * For example, if the node is `parent.consequent`, this creates a fork from the
+ * current path.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function preprocess(analyzer, node) {
+    const codePath = analyzer.codePath;
+    const state = CodePath.getState(codePath);
+    const parent = node.parent;
+
+    switch (parent.type) {
+        case "LogicalExpression":
+            if (
+                parent.right === node &&
+                isHandledLogicalOperator(parent.operator)
+            ) {
+                state.makeLogicalRight();
+            }
+            break;
+
+        case "ConditionalExpression":
+        case "IfStatement":
+
+            /*
+             * Fork if this node is at `consequent`/`alternate`.
+             * `popForkContext()` exists at `IfStatement:exit` and
+             * `ConditionalExpression:exit`.
+             */
+            if (parent.consequent === node) {
+                state.makeIfConsequent();
+            } else if (parent.alternate === node) {
+                state.makeIfAlternate();
+            }
+            break;
+
+        case "SwitchCase":
+            if (parent.consequent[0] === node) {
+                state.makeSwitchCaseBody(false, !parent.test);
+            }
+            break;
+
+        case "TryStatement":
+            if (parent.handler === node) {
+                state.makeCatchBlock();
+            } else if (parent.finalizer === node) {
+                state.makeFinallyBlock();
+            }
+            break;
+
+        case "WhileStatement":
+            if (parent.test === node) {
+                state.makeWhileTest(getBooleanValueIfSimpleConstant(node));
+            } else {
+                assert(parent.body === node);
+                state.makeWhileBody();
+            }
+            break;
+
+        case "DoWhileStatement":
+            if (parent.body === node) {
+                state.makeDoWhileBody();
+            } else {
+                assert(parent.test === node);
+                state.makeDoWhileTest(getBooleanValueIfSimpleConstant(node));
+            }
+            break;
+
+        case "ForStatement":
+            if (parent.test === node) {
+                state.makeForTest(getBooleanValueIfSimpleConstant(node));
+            } else if (parent.update === node) {
+                state.makeForUpdate();
+            } else if (parent.body === node) {
+                state.makeForBody();
+            }
+            break;
+
+        case "ForInStatement":
+        case "ForOfStatement":
+            if (parent.left === node) {
+                state.makeForInOfLeft();
+            } else if (parent.right === node) {
+                state.makeForInOfRight();
+            } else {
+                assert(parent.body === node);
+                state.makeForInOfBody();
+            }
+            break;
+
+        case "AssignmentPattern":
+
+            /*
+             * Fork if this node is at `right`.
+             * `left` is executed always, so it uses the current path.
+             * `popForkContext()` exists at `AssignmentPattern:exit`.
+             */
+            if (parent.right === node) {
+                state.pushForkContext();
+                state.forkBypassPath();
+                state.forkPath();
+            }
+            break;
+
+        default:
+            break;
+    }
+}
+
+/**
+ * Updates the code path due to the type of a given node in entering.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function processCodePathToEnter(analyzer, node) {
+    let codePath = analyzer.codePath;
+    let state = codePath && CodePath.getState(codePath);
+    const parent = node.parent;
+
+    switch (node.type) {
+        case "Program":
+        case "FunctionDeclaration":
+        case "FunctionExpression":
+        case "ArrowFunctionExpression":
+            if (codePath) {
+
+                // Emits onCodePathSegmentStart events if updated.
+                forwardCurrentToHead(analyzer, node);
+                debug.dumpState(node, state, false);
+            }
+
+            // Create the code path of this scope.
+            codePath = analyzer.codePath = new CodePath(
+                analyzer.idGenerator.next(),
+                codePath,
+                analyzer.onLooped
+            );
+            state = CodePath.getState(codePath);
+
+            // Emits onCodePathStart events.
+            debug.dump(`onCodePathStart ${codePath.id}`);
+            analyzer.emitter.emit("onCodePathStart", codePath, node);
+            break;
+
+        case "LogicalExpression":
+            if (isHandledLogicalOperator(node.operator)) {
+                state.pushChoiceContext(
+                    node.operator,
+                    isForkingByTrueOrFalse(node)
+                );
+            }
+            break;
+
+        case "ConditionalExpression":
+        case "IfStatement":
+            state.pushChoiceContext("test", false);
+            break;
+
+        case "SwitchStatement":
+            state.pushSwitchContext(
+                node.cases.some(isCaseNode),
+                getLabel(node)
+            );
+            break;
+
+        case "TryStatement":
+            state.pushTryContext(Boolean(node.finalizer));
+            break;
+
+        case "SwitchCase":
+
+            /*
+             * Fork if this node is after the 2st node in `cases`.
+             * It's similar to `else` blocks.
+             * The next `test` node is processed in this path.
+             */
+            if (parent.discriminant !== node && parent.cases[0] !== node) {
+                state.forkPath();
+            }
+            break;
+
+        case "WhileStatement":
+        case "DoWhileStatement":
+        case "ForStatement":
+        case "ForInStatement":
+        case "ForOfStatement":
+            state.pushLoopContext(node.type, getLabel(node));
+            break;
+
+        case "LabeledStatement":
+            if (!breakableTypePattern.test(node.body.type)) {
+                state.pushBreakContext(false, node.label.name);
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    // Emits onCodePathSegmentStart events if updated.
+    forwardCurrentToHead(analyzer, node);
+    debug.dumpState(node, state, false);
+}
+
+/**
+ * Updates the code path due to the type of a given node in leaving.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function processCodePathToExit(analyzer, node) {
+    const codePath = analyzer.codePath;
+    const state = CodePath.getState(codePath);
+    let dontForward = false;
+
+    switch (node.type) {
+        case "IfStatement":
+        case "ConditionalExpression":
+            state.popChoiceContext();
+            break;
+
+        case "LogicalExpression":
+            if (isHandledLogicalOperator(node.operator)) {
+                state.popChoiceContext();
+            }
+            break;
+
+        case "SwitchStatement":
+            state.popSwitchContext();
+            break;
+
+        case "SwitchCase":
+
+            /*
+             * This is the same as the process at the 1st `consequent` node in
+             * `preprocess` function.
+             * Must do if this `consequent` is empty.
+             */
+            if (node.consequent.length === 0) {
+                state.makeSwitchCaseBody(true, !node.test);
+            }
+            if (state.forkContext.reachable) {
+                dontForward = true;
+            }
+            break;
+
+        case "TryStatement":
+            state.popTryContext();
+            break;
+
+        case "BreakStatement":
+            forwardCurrentToHead(analyzer, node);
+            state.makeBreak(node.label && node.label.name);
+            dontForward = true;
+            break;
+
+        case "ContinueStatement":
+            forwardCurrentToHead(analyzer, node);
+            state.makeContinue(node.label && node.label.name);
+            dontForward = true;
+            break;
+
+        case "ReturnStatement":
+            forwardCurrentToHead(analyzer, node);
+            state.makeReturn();
+            dontForward = true;
+            break;
+
+        case "ThrowStatement":
+            forwardCurrentToHead(analyzer, node);
+            state.makeThrow();
+            dontForward = true;
+            break;
+
+        case "Identifier":
+            if (isIdentifierReference(node)) {
+                state.makeFirstThrowablePathInTryBlock();
+                dontForward = true;
+            }
+            break;
+
+        case "CallExpression":
+        case "ImportExpression":
+        case "MemberExpression":
+        case "NewExpression":
+        case "YieldExpression":
+            state.makeFirstThrowablePathInTryBlock();
+            break;
+
+        case "WhileStatement":
+        case "DoWhileStatement":
+        case "ForStatement":
+        case "ForInStatement":
+        case "ForOfStatement":
+            state.popLoopContext();
+            break;
+
+        case "AssignmentPattern":
+            state.popForkContext();
+            break;
+
+        case "LabeledStatement":
+            if (!breakableTypePattern.test(node.body.type)) {
+                state.popBreakContext();
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    // Emits onCodePathSegmentStart events if updated.
+    if (!dontForward) {
+        forwardCurrentToHead(analyzer, node);
+    }
+    debug.dumpState(node, state, true);
+}
+
+/**
+ * Updates the code path to finalize the current code path.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+function postprocess(analyzer, node) {
+    switch (node.type) {
+        case "Program":
+        case "FunctionDeclaration":
+        case "FunctionExpression":
+        case "ArrowFunctionExpression": {
+            let codePath = analyzer.codePath;
+
+            // Mark the current path as the final node.
+            CodePath.getState(codePath).makeFinal();
+
+            // Emits onCodePathSegmentEnd event of the current segments.
+            leaveFromCurrentSegment(analyzer, node);
+
+            // Emits onCodePathEnd event of this code path.
+            debug.dump(`onCodePathEnd ${codePath.id}`);
+            analyzer.emitter.emit("onCodePathEnd", codePath, node);
+            debug.dumpDot(codePath);
+
+            codePath = analyzer.codePath = analyzer.codePath.upper;
+            if (codePath) {
+                debug.dumpState(node, CodePath.getState(codePath), true);
+            }
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The class to analyze code paths.
+ * This class implements the EventGenerator interface.
+ */
+class CodePathAnalyzer {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {EventGenerator} eventGenerator An event generator to wrap.
+     */
+    constructor(eventGenerator) {
+        this.original = eventGenerator;
+        this.emitter = eventGenerator.emitter;
+        this.codePath = null;
+        this.idGenerator = new IdGenerator("s");
+        this.currentNode = null;
+        this.onLooped = this.onLooped.bind(this);
+    }
+
+    /**
+     * Does the process to enter a given AST node.
+     * This updates state of analysis and calls `enterNode` of the wrapped.
+     * @param {ASTNode} node A node which is entering.
+     * @returns {void}
+     */
+    enterNode(node) {
+        this.currentNode = node;
+
+        // Updates the code path due to node's position in its parent node.
+        if (node.parent) {
+            preprocess(this, node);
+        }
+
+        /*
+         * Updates the code path.
+         * And emits onCodePathStart/onCodePathSegmentStart events.
+         */
+        processCodePathToEnter(this, node);
+
+        // Emits node events.
+        this.original.enterNode(node);
+
+        this.currentNode = null;
+    }
+
+    /**
+     * Does the process to leave a given AST node.
+     * This updates state of analysis and calls `leaveNode` of the wrapped.
+     * @param {ASTNode} node A node which is leaving.
+     * @returns {void}
+     */
+    leaveNode(node) {
+        this.currentNode = node;
+
+        /*
+         * Updates the code path.
+         * And emits onCodePathStart/onCodePathSegmentStart events.
+         */
+        processCodePathToExit(this, node);
+
+        // Emits node events.
+        this.original.leaveNode(node);
+
+        // Emits the last onCodePathStart/onCodePathSegmentStart events.
+        postprocess(this, node);
+
+        this.currentNode = null;
+    }
+
+    /**
+     * This is called on a code path looped.
+     * Then this raises a looped event.
+     * @param {CodePathSegment} fromSegment A segment of prev.
+     * @param {CodePathSegment} toSegment A segment of next.
+     * @returns {void}
+     */
+    onLooped(fromSegment, toSegment) {
+        if (fromSegment.reachable && toSegment.reachable) {
+            debug.dump(`onCodePathSegmentLoop ${fromSegment.id} -> ${toSegment.id}`);
+            this.emitter.emit(
+                "onCodePathSegmentLoop",
+                fromSegment,
+                toSegment,
+                this.currentNode
+            );
+        }
+    }
+}
+
+module.exports = CodePathAnalyzer;
diff --git a/eslint/lib/linter/code-path-analysis/code-path-segment.js b/eslint/lib/linter/code-path-analysis/code-path-segment.js
new file mode 100644
index 0000000..6b17b25
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/code-path-segment.js
@@ -0,0 +1,237 @@
+/**
+ * @fileoverview A class of the code path segment.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = require("./debug-helpers");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A code path segment.
+ */
+class CodePathSegment {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} id An identifier.
+     * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+     *   This array includes unreachable segments.
+     * @param {boolean} reachable A flag which shows this is reachable.
+     */
+    constructor(id, allPrevSegments, reachable) {
+
+        /**
+         * The identifier of this code path.
+         * Rules use it to store additional information of each rule.
+         * @type {string}
+         */
+        this.id = id;
+
+        /**
+         * An array of the next segments.
+         * @type {CodePathSegment[]}
+         */
+        this.nextSegments = [];
+
+        /**
+         * An array of the previous segments.
+         * @type {CodePathSegment[]}
+         */
+        this.prevSegments = allPrevSegments.filter(isReachable);
+
+        /**
+         * An array of the next segments.
+         * This array includes unreachable segments.
+         * @type {CodePathSegment[]}
+         */
+        this.allNextSegments = [];
+
+        /**
+         * An array of the previous segments.
+         * This array includes unreachable segments.
+         * @type {CodePathSegment[]}
+         */
+        this.allPrevSegments = allPrevSegments;
+
+        /**
+         * A flag which shows this is reachable.
+         * @type {boolean}
+         */
+        this.reachable = reachable;
+
+        // Internal data.
+        Object.defineProperty(this, "internal", {
+            value: {
+                used: false,
+                loopedPrevSegments: []
+            }
+        });
+
+        /* istanbul ignore if */
+        if (debug.enabled) {
+            this.internal.nodes = [];
+            this.internal.exitNodes = [];
+        }
+    }
+
+    /**
+     * Checks a given previous segment is coming from the end of a loop.
+     * @param {CodePathSegment} segment A previous segment to check.
+     * @returns {boolean} `true` if the segment is coming from the end of a loop.
+     */
+    isLoopedPrevSegment(segment) {
+        return this.internal.loopedPrevSegments.indexOf(segment) !== -1;
+    }
+
+    /**
+     * Creates the root segment.
+     * @param {string} id An identifier.
+     * @returns {CodePathSegment} The created segment.
+     */
+    static newRoot(id) {
+        return new CodePathSegment(id, [], true);
+    }
+
+    /**
+     * Creates a segment that follows given segments.
+     * @param {string} id An identifier.
+     * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+     * @returns {CodePathSegment} The created segment.
+     */
+    static newNext(id, allPrevSegments) {
+        return new CodePathSegment(
+            id,
+            CodePathSegment.flattenUnusedSegments(allPrevSegments),
+            allPrevSegments.some(isReachable)
+        );
+    }
+
+    /**
+     * Creates an unreachable segment that follows given segments.
+     * @param {string} id An identifier.
+     * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+     * @returns {CodePathSegment} The created segment.
+     */
+    static newUnreachable(id, allPrevSegments) {
+        const segment = new CodePathSegment(id, CodePathSegment.flattenUnusedSegments(allPrevSegments), false);
+
+        /*
+         * In `if (a) return a; foo();` case, the unreachable segment preceded by
+         * the return statement is not used but must not be remove.
+         */
+        CodePathSegment.markUsed(segment);
+
+        return segment;
+    }
+
+    /**
+     * Creates a segment that follows given segments.
+     * This factory method does not connect with `allPrevSegments`.
+     * But this inherits `reachable` flag.
+     * @param {string} id An identifier.
+     * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+     * @returns {CodePathSegment} The created segment.
+     */
+    static newDisconnected(id, allPrevSegments) {
+        return new CodePathSegment(id, [], allPrevSegments.some(isReachable));
+    }
+
+    /**
+     * Makes a given segment being used.
+     *
+     * And this function registers the segment into the previous segments as a next.
+     * @param {CodePathSegment} segment A segment to mark.
+     * @returns {void}
+     */
+    static markUsed(segment) {
+        if (segment.internal.used) {
+            return;
+        }
+        segment.internal.used = true;
+
+        let i;
+
+        if (segment.reachable) {
+            for (i = 0; i < segment.allPrevSegments.length; ++i) {
+                const prevSegment = segment.allPrevSegments[i];
+
+                prevSegment.allNextSegments.push(segment);
+                prevSegment.nextSegments.push(segment);
+            }
+        } else {
+            for (i = 0; i < segment.allPrevSegments.length; ++i) {
+                segment.allPrevSegments[i].allNextSegments.push(segment);
+            }
+        }
+    }
+
+    /**
+     * Marks a previous segment as looped.
+     * @param {CodePathSegment} segment A segment.
+     * @param {CodePathSegment} prevSegment A previous segment to mark.
+     * @returns {void}
+     */
+    static markPrevSegmentAsLooped(segment, prevSegment) {
+        segment.internal.loopedPrevSegments.push(prevSegment);
+    }
+
+    /**
+     * Replaces unused segments with the previous segments of each unused segment.
+     * @param {CodePathSegment[]} segments An array of segments to replace.
+     * @returns {CodePathSegment[]} The replaced array.
+     */
+    static flattenUnusedSegments(segments) {
+        const done = Object.create(null);
+        const retv = [];
+
+        for (let i = 0; i < segments.length; ++i) {
+            const segment = segments[i];
+
+            // Ignores duplicated.
+            if (done[segment.id]) {
+                continue;
+            }
+
+            // Use previous segments if unused.
+            if (!segment.internal.used) {
+                for (let j = 0; j < segment.allPrevSegments.length; ++j) {
+                    const prevSegment = segment.allPrevSegments[j];
+
+                    if (!done[prevSegment.id]) {
+                        done[prevSegment.id] = true;
+                        retv.push(prevSegment);
+                    }
+                }
+            } else {
+                done[segment.id] = true;
+                retv.push(segment);
+            }
+        }
+
+        return retv;
+    }
+}
+
+module.exports = CodePathSegment;
diff --git a/eslint/lib/linter/code-path-analysis/code-path-state.js b/eslint/lib/linter/code-path-analysis/code-path-state.js
new file mode 100644
index 0000000..75de1bc
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/code-path-state.js
@@ -0,0 +1,1399 @@
+/**
+ * @fileoverview A class to manage state of generating a code path.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const CodePathSegment = require("./code-path-segment"),
+    ForkContext = require("./fork-context");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Adds given segments into the `dest` array.
+ * If the `others` array does not includes the given segments, adds to the `all`
+ * array as well.
+ *
+ * This adds only reachable and used segments.
+ * @param {CodePathSegment[]} dest A destination array (`returnedSegments` or `thrownSegments`).
+ * @param {CodePathSegment[]} others Another destination array (`returnedSegments` or `thrownSegments`).
+ * @param {CodePathSegment[]} all The unified destination array (`finalSegments`).
+ * @param {CodePathSegment[]} segments Segments to add.
+ * @returns {void}
+ */
+function addToReturnedOrThrown(dest, others, all, segments) {
+    for (let i = 0; i < segments.length; ++i) {
+        const segment = segments[i];
+
+        dest.push(segment);
+        if (others.indexOf(segment) === -1) {
+            all.push(segment);
+        }
+    }
+}
+
+/**
+ * Gets a loop-context for a `continue` statement.
+ * @param {CodePathState} state A state to get.
+ * @param {string} label The label of a `continue` statement.
+ * @returns {LoopContext} A loop-context for a `continue` statement.
+ */
+function getContinueContext(state, label) {
+    if (!label) {
+        return state.loopContext;
+    }
+
+    let context = state.loopContext;
+
+    while (context) {
+        if (context.label === label) {
+            return context;
+        }
+        context = context.upper;
+    }
+
+    /* istanbul ignore next: foolproof (syntax error) */
+    return null;
+}
+
+/**
+ * Gets a context for a `break` statement.
+ * @param {CodePathState} state A state to get.
+ * @param {string} label The label of a `break` statement.
+ * @returns {LoopContext|SwitchContext} A context for a `break` statement.
+ */
+function getBreakContext(state, label) {
+    let context = state.breakContext;
+
+    while (context) {
+        if (label ? context.label === label : context.breakable) {
+            return context;
+        }
+        context = context.upper;
+    }
+
+    /* istanbul ignore next: foolproof (syntax error) */
+    return null;
+}
+
+/**
+ * Gets a context for a `return` statement.
+ * @param {CodePathState} state A state to get.
+ * @returns {TryContext|CodePathState} A context for a `return` statement.
+ */
+function getReturnContext(state) {
+    let context = state.tryContext;
+
+    while (context) {
+        if (context.hasFinalizer && context.position !== "finally") {
+            return context;
+        }
+        context = context.upper;
+    }
+
+    return state;
+}
+
+/**
+ * Gets a context for a `throw` statement.
+ * @param {CodePathState} state A state to get.
+ * @returns {TryContext|CodePathState} A context for a `throw` statement.
+ */
+function getThrowContext(state) {
+    let context = state.tryContext;
+
+    while (context) {
+        if (context.position === "try" ||
+            (context.hasFinalizer && context.position === "catch")
+        ) {
+            return context;
+        }
+        context = context.upper;
+    }
+
+    return state;
+}
+
+/**
+ * Removes a given element from a given array.
+ * @param {any[]} xs An array to remove the specific element.
+ * @param {any} x An element to be removed.
+ * @returns {void}
+ */
+function remove(xs, x) {
+    xs.splice(xs.indexOf(x), 1);
+}
+
+/**
+ * Disconnect given segments.
+ *
+ * This is used in a process for switch statements.
+ * If there is the "default" chunk before other cases, the order is different
+ * between node's and running's.
+ * @param {CodePathSegment[]} prevSegments Forward segments to disconnect.
+ * @param {CodePathSegment[]} nextSegments Backward segments to disconnect.
+ * @returns {void}
+ */
+function removeConnection(prevSegments, nextSegments) {
+    for (let i = 0; i < prevSegments.length; ++i) {
+        const prevSegment = prevSegments[i];
+        const nextSegment = nextSegments[i];
+
+        remove(prevSegment.nextSegments, nextSegment);
+        remove(prevSegment.allNextSegments, nextSegment);
+        remove(nextSegment.prevSegments, prevSegment);
+        remove(nextSegment.allPrevSegments, prevSegment);
+    }
+}
+
+/**
+ * Creates looping path.
+ * @param {CodePathState} state The instance.
+ * @param {CodePathSegment[]} unflattenedFromSegments Segments which are source.
+ * @param {CodePathSegment[]} unflattenedToSegments Segments which are destination.
+ * @returns {void}
+ */
+function makeLooped(state, unflattenedFromSegments, unflattenedToSegments) {
+    const fromSegments = CodePathSegment.flattenUnusedSegments(unflattenedFromSegments);
+    const toSegments = CodePathSegment.flattenUnusedSegments(unflattenedToSegments);
+
+    const end = Math.min(fromSegments.length, toSegments.length);
+
+    for (let i = 0; i < end; ++i) {
+        const fromSegment = fromSegments[i];
+        const toSegment = toSegments[i];
+
+        if (toSegment.reachable) {
+            fromSegment.nextSegments.push(toSegment);
+        }
+        if (fromSegment.reachable) {
+            toSegment.prevSegments.push(fromSegment);
+        }
+        fromSegment.allNextSegments.push(toSegment);
+        toSegment.allPrevSegments.push(fromSegment);
+
+        if (toSegment.allPrevSegments.length >= 2) {
+            CodePathSegment.markPrevSegmentAsLooped(toSegment, fromSegment);
+        }
+
+        state.notifyLooped(fromSegment, toSegment);
+    }
+}
+
+/**
+ * Finalizes segments of `test` chunk of a ForStatement.
+ *
+ * - Adds `false` paths to paths which are leaving from the loop.
+ * - Sets `true` paths to paths which go to the body.
+ * @param {LoopContext} context A loop context to modify.
+ * @param {ChoiceContext} choiceContext A choice context of this loop.
+ * @param {CodePathSegment[]} head The current head paths.
+ * @returns {void}
+ */
+function finalizeTestSegmentsOfFor(context, choiceContext, head) {
+    if (!choiceContext.processed) {
+        choiceContext.trueForkContext.add(head);
+        choiceContext.falseForkContext.add(head);
+    }
+
+    if (context.test !== true) {
+        context.brokenForkContext.addAll(choiceContext.falseForkContext);
+    }
+    context.endOfTestSegments = choiceContext.trueForkContext.makeNext(0, -1);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A class which manages state to analyze code paths.
+ */
+class CodePathState {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {IdGenerator} idGenerator An id generator to generate id for code
+     *   path segments.
+     * @param {Function} onLooped A callback function to notify looping.
+     */
+    constructor(idGenerator, onLooped) {
+        this.idGenerator = idGenerator;
+        this.notifyLooped = onLooped;
+        this.forkContext = ForkContext.newRoot(idGenerator);
+        this.choiceContext = null;
+        this.switchContext = null;
+        this.tryContext = null;
+        this.loopContext = null;
+        this.breakContext = null;
+
+        this.currentSegments = [];
+        this.initialSegment = this.forkContext.head[0];
+
+        // returnedSegments and thrownSegments push elements into finalSegments also.
+        const final = this.finalSegments = [];
+        const returned = this.returnedForkContext = [];
+        const thrown = this.thrownForkContext = [];
+
+        returned.add = addToReturnedOrThrown.bind(null, returned, thrown, final);
+        thrown.add = addToReturnedOrThrown.bind(null, thrown, returned, final);
+    }
+
+    /**
+     * The head segments.
+     * @type {CodePathSegment[]}
+     */
+    get headSegments() {
+        return this.forkContext.head;
+    }
+
+    /**
+     * The parent forking context.
+     * This is used for the root of new forks.
+     * @type {ForkContext}
+     */
+    get parentForkContext() {
+        const current = this.forkContext;
+
+        return current && current.upper;
+    }
+
+    /**
+     * Creates and stacks new forking context.
+     * @param {boolean} forkLeavingPath A flag which shows being in a
+     *   "finally" block.
+     * @returns {ForkContext} The created context.
+     */
+    pushForkContext(forkLeavingPath) {
+        this.forkContext = ForkContext.newEmpty(
+            this.forkContext,
+            forkLeavingPath
+        );
+
+        return this.forkContext;
+    }
+
+    /**
+     * Pops and merges the last forking context.
+     * @returns {ForkContext} The last context.
+     */
+    popForkContext() {
+        const lastContext = this.forkContext;
+
+        this.forkContext = lastContext.upper;
+        this.forkContext.replaceHead(lastContext.makeNext(0, -1));
+
+        return lastContext;
+    }
+
+    /**
+     * Creates a new path.
+     * @returns {void}
+     */
+    forkPath() {
+        this.forkContext.add(this.parentForkContext.makeNext(-1, -1));
+    }
+
+    /**
+     * Creates a bypass path.
+     * This is used for such as IfStatement which does not have "else" chunk.
+     * @returns {void}
+     */
+    forkBypassPath() {
+        this.forkContext.add(this.parentForkContext.head);
+    }
+
+    //--------------------------------------------------------------------------
+    // ConditionalExpression, LogicalExpression, IfStatement
+    //--------------------------------------------------------------------------
+
+    /**
+     * Creates a context for ConditionalExpression, LogicalExpression,
+     * IfStatement, WhileStatement, DoWhileStatement, or ForStatement.
+     *
+     * LogicalExpressions have cases that it goes different paths between the
+     * `true` case and the `false` case.
+     *
+     * For Example:
+     *
+     *     if (a || b) {
+     *         foo();
+     *     } else {
+     *         bar();
+     *     }
+     *
+     * In this case, `b` is evaluated always in the code path of the `else`
+     * block, but it's not so in the code path of the `if` block.
+     * So there are 3 paths.
+     *
+     *     a -> foo();
+     *     a -> b -> foo();
+     *     a -> b -> bar();
+     * @param {string} kind A kind string.
+     *   If the new context is LogicalExpression's, this is `"&&"` or `"||"`.
+     *   If it's IfStatement's or ConditionalExpression's, this is `"test"`.
+     *   Otherwise, this is `"loop"`.
+     * @param {boolean} isForkingAsResult A flag that shows that goes different
+     *   paths between `true` and `false`.
+     * @returns {void}
+     */
+    pushChoiceContext(kind, isForkingAsResult) {
+        this.choiceContext = {
+            upper: this.choiceContext,
+            kind,
+            isForkingAsResult,
+            trueForkContext: ForkContext.newEmpty(this.forkContext),
+            falseForkContext: ForkContext.newEmpty(this.forkContext),
+            processed: false
+        };
+    }
+
+    /**
+     * Pops the last choice context and finalizes it.
+     * @returns {ChoiceContext} The popped context.
+     */
+    popChoiceContext() {
+        const context = this.choiceContext;
+
+        this.choiceContext = context.upper;
+
+        const forkContext = this.forkContext;
+        const headSegments = forkContext.head;
+
+        switch (context.kind) {
+            case "&&":
+            case "||":
+
+                /*
+                 * If any result were not transferred from child contexts,
+                 * this sets the head segments to both cases.
+                 * The head segments are the path of the right-hand operand.
+                 */
+                if (!context.processed) {
+                    context.trueForkContext.add(headSegments);
+                    context.falseForkContext.add(headSegments);
+                }
+
+                /*
+                 * Transfers results to upper context if this context is in
+                 * test chunk.
+                 */
+                if (context.isForkingAsResult) {
+                    const parentContext = this.choiceContext;
+
+                    parentContext.trueForkContext.addAll(context.trueForkContext);
+                    parentContext.falseForkContext.addAll(context.falseForkContext);
+                    parentContext.processed = true;
+
+                    return context;
+                }
+
+                break;
+
+            case "test":
+                if (!context.processed) {
+
+                    /*
+                     * The head segments are the path of the `if` block here.
+                     * Updates the `true` path with the end of the `if` block.
+                     */
+                    context.trueForkContext.clear();
+                    context.trueForkContext.add(headSegments);
+                } else {
+
+                    /*
+                     * The head segments are the path of the `else` block here.
+                     * Updates the `false` path with the end of the `else`
+                     * block.
+                     */
+                    context.falseForkContext.clear();
+                    context.falseForkContext.add(headSegments);
+                }
+
+                break;
+
+            case "loop":
+
+                /*
+                 * Loops are addressed in popLoopContext().
+                 * This is called from popLoopContext().
+                 */
+                return context;
+
+            /* istanbul ignore next */
+            default:
+                throw new Error("unreachable");
+        }
+
+        // Merges all paths.
+        const prevForkContext = context.trueForkContext;
+
+        prevForkContext.addAll(context.falseForkContext);
+        forkContext.replaceHead(prevForkContext.makeNext(0, -1));
+
+        return context;
+    }
+
+    /**
+     * Makes a code path segment of the right-hand operand of a logical
+     * expression.
+     * @returns {void}
+     */
+    makeLogicalRight() {
+        const context = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        if (context.processed) {
+
+            /*
+             * This got segments already from the child choice context.
+             * Creates the next path from own true/false fork context.
+             */
+            const prevForkContext =
+                context.kind === "&&" ? context.trueForkContext
+                /* kind === "||" */ : context.falseForkContext;
+
+            forkContext.replaceHead(prevForkContext.makeNext(0, -1));
+            prevForkContext.clear();
+
+            context.processed = false;
+        } else {
+
+            /*
+             * This did not get segments from the child choice context.
+             * So addresses the head segments.
+             * The head segments are the path of the left-hand operand.
+             */
+            if (context.kind === "&&") {
+
+                // The path does short-circuit if false.
+                context.falseForkContext.add(forkContext.head);
+            } else {
+
+                // The path does short-circuit if true.
+                context.trueForkContext.add(forkContext.head);
+            }
+
+            forkContext.replaceHead(forkContext.makeNext(-1, -1));
+        }
+    }
+
+    /**
+     * Makes a code path segment of the `if` block.
+     * @returns {void}
+     */
+    makeIfConsequent() {
+        const context = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        /*
+         * If any result were not transferred from child contexts,
+         * this sets the head segments to both cases.
+         * The head segments are the path of the test expression.
+         */
+        if (!context.processed) {
+            context.trueForkContext.add(forkContext.head);
+            context.falseForkContext.add(forkContext.head);
+        }
+
+        context.processed = false;
+
+        // Creates new path from the `true` case.
+        forkContext.replaceHead(
+            context.trueForkContext.makeNext(0, -1)
+        );
+    }
+
+    /**
+     * Makes a code path segment of the `else` block.
+     * @returns {void}
+     */
+    makeIfAlternate() {
+        const context = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        /*
+         * The head segments are the path of the `if` block.
+         * Updates the `true` path with the end of the `if` block.
+         */
+        context.trueForkContext.clear();
+        context.trueForkContext.add(forkContext.head);
+        context.processed = true;
+
+        // Creates new path from the `false` case.
+        forkContext.replaceHead(
+            context.falseForkContext.makeNext(0, -1)
+        );
+    }
+
+    //--------------------------------------------------------------------------
+    // SwitchStatement
+    //--------------------------------------------------------------------------
+
+    /**
+     * Creates a context object of SwitchStatement and stacks it.
+     * @param {boolean} hasCase `true` if the switch statement has one or more
+     *   case parts.
+     * @param {string|null} label The label text.
+     * @returns {void}
+     */
+    pushSwitchContext(hasCase, label) {
+        this.switchContext = {
+            upper: this.switchContext,
+            hasCase,
+            defaultSegments: null,
+            defaultBodySegments: null,
+            foundDefault: false,
+            lastIsDefault: false,
+            countForks: 0
+        };
+
+        this.pushBreakContext(true, label);
+    }
+
+    /**
+     * Pops the last context of SwitchStatement and finalizes it.
+     *
+     * - Disposes all forking stack for `case` and `default`.
+     * - Creates the next code path segment from `context.brokenForkContext`.
+     * - If the last `SwitchCase` node is not a `default` part, creates a path
+     *   to the `default` body.
+     * @returns {void}
+     */
+    popSwitchContext() {
+        const context = this.switchContext;
+
+        this.switchContext = context.upper;
+
+        const forkContext = this.forkContext;
+        const brokenForkContext = this.popBreakContext().brokenForkContext;
+
+        if (context.countForks === 0) {
+
+            /*
+             * When there is only one `default` chunk and there is one or more
+             * `break` statements, even if forks are nothing, it needs to merge
+             * those.
+             */
+            if (!brokenForkContext.empty) {
+                brokenForkContext.add(forkContext.makeNext(-1, -1));
+                forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+            }
+
+            return;
+        }
+
+        const lastSegments = forkContext.head;
+
+        this.forkBypassPath();
+        const lastCaseSegments = forkContext.head;
+
+        /*
+         * `brokenForkContext` is used to make the next segment.
+         * It must add the last segment into `brokenForkContext`.
+         */
+        brokenForkContext.add(lastSegments);
+
+        /*
+         * A path which is failed in all case test should be connected to path
+         * of `default` chunk.
+         */
+        if (!context.lastIsDefault) {
+            if (context.defaultBodySegments) {
+
+                /*
+                 * Remove a link from `default` label to its chunk.
+                 * It's false route.
+                 */
+                removeConnection(context.defaultSegments, context.defaultBodySegments);
+                makeLooped(this, lastCaseSegments, context.defaultBodySegments);
+            } else {
+
+                /*
+                 * It handles the last case body as broken if `default` chunk
+                 * does not exist.
+                 */
+                brokenForkContext.add(lastCaseSegments);
+            }
+        }
+
+        // Pops the segment context stack until the entry segment.
+        for (let i = 0; i < context.countForks; ++i) {
+            this.forkContext = this.forkContext.upper;
+        }
+
+        /*
+         * Creates a path from all brokenForkContext paths.
+         * This is a path after switch statement.
+         */
+        this.forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+    }
+
+    /**
+     * Makes a code path segment for a `SwitchCase` node.
+     * @param {boolean} isEmpty `true` if the body is empty.
+     * @param {boolean} isDefault `true` if the body is the default case.
+     * @returns {void}
+     */
+    makeSwitchCaseBody(isEmpty, isDefault) {
+        const context = this.switchContext;
+
+        if (!context.hasCase) {
+            return;
+        }
+
+        /*
+         * Merge forks.
+         * The parent fork context has two segments.
+         * Those are from the current case and the body of the previous case.
+         */
+        const parentForkContext = this.forkContext;
+        const forkContext = this.pushForkContext();
+
+        forkContext.add(parentForkContext.makeNext(0, -1));
+
+        /*
+         * Save `default` chunk info.
+         * If the `default` label is not at the last, we must make a path from
+         * the last `case` to the `default` chunk.
+         */
+        if (isDefault) {
+            context.defaultSegments = parentForkContext.head;
+            if (isEmpty) {
+                context.foundDefault = true;
+            } else {
+                context.defaultBodySegments = forkContext.head;
+            }
+        } else {
+            if (!isEmpty && context.foundDefault) {
+                context.foundDefault = false;
+                context.defaultBodySegments = forkContext.head;
+            }
+        }
+
+        context.lastIsDefault = isDefault;
+        context.countForks += 1;
+    }
+
+    //--------------------------------------------------------------------------
+    // TryStatement
+    //--------------------------------------------------------------------------
+
+    /**
+     * Creates a context object of TryStatement and stacks it.
+     * @param {boolean} hasFinalizer `true` if the try statement has a
+     *   `finally` block.
+     * @returns {void}
+     */
+    pushTryContext(hasFinalizer) {
+        this.tryContext = {
+            upper: this.tryContext,
+            position: "try",
+            hasFinalizer,
+
+            returnedForkContext: hasFinalizer
+                ? ForkContext.newEmpty(this.forkContext)
+                : null,
+
+            thrownForkContext: ForkContext.newEmpty(this.forkContext),
+            lastOfTryIsReachable: false,
+            lastOfCatchIsReachable: false
+        };
+    }
+
+    /**
+     * Pops the last context of TryStatement and finalizes it.
+     * @returns {void}
+     */
+    popTryContext() {
+        const context = this.tryContext;
+
+        this.tryContext = context.upper;
+
+        if (context.position === "catch") {
+
+            // Merges two paths from the `try` block and `catch` block merely.
+            this.popForkContext();
+            return;
+        }
+
+        /*
+         * The following process is executed only when there is the `finally`
+         * block.
+         */
+
+        const returned = context.returnedForkContext;
+        const thrown = context.thrownForkContext;
+
+        if (returned.empty && thrown.empty) {
+            return;
+        }
+
+        // Separate head to normal paths and leaving paths.
+        const headSegments = this.forkContext.head;
+
+        this.forkContext = this.forkContext.upper;
+        const normalSegments = headSegments.slice(0, headSegments.length / 2 | 0);
+        const leavingSegments = headSegments.slice(headSegments.length / 2 | 0);
+
+        // Forwards the leaving path to upper contexts.
+        if (!returned.empty) {
+            getReturnContext(this).returnedForkContext.add(leavingSegments);
+        }
+        if (!thrown.empty) {
+            getThrowContext(this).thrownForkContext.add(leavingSegments);
+        }
+
+        // Sets the normal path as the next.
+        this.forkContext.replaceHead(normalSegments);
+
+        /*
+         * If both paths of the `try` block and the `catch` block are
+         * unreachable, the next path becomes unreachable as well.
+         */
+        if (!context.lastOfTryIsReachable && !context.lastOfCatchIsReachable) {
+            this.forkContext.makeUnreachable();
+        }
+    }
+
+    /**
+     * Makes a code path segment for a `catch` block.
+     * @returns {void}
+     */
+    makeCatchBlock() {
+        const context = this.tryContext;
+        const forkContext = this.forkContext;
+        const thrown = context.thrownForkContext;
+
+        // Update state.
+        context.position = "catch";
+        context.thrownForkContext = ForkContext.newEmpty(forkContext);
+        context.lastOfTryIsReachable = forkContext.reachable;
+
+        // Merge thrown paths.
+        thrown.add(forkContext.head);
+        const thrownSegments = thrown.makeNext(0, -1);
+
+        // Fork to a bypass and the merged thrown path.
+        this.pushForkContext();
+        this.forkBypassPath();
+        this.forkContext.add(thrownSegments);
+    }
+
+    /**
+     * Makes a code path segment for a `finally` block.
+     *
+     * In the `finally` block, parallel paths are created. The parallel paths
+     * are used as leaving-paths. The leaving-paths are paths from `return`
+     * statements and `throw` statements in a `try` block or a `catch` block.
+     * @returns {void}
+     */
+    makeFinallyBlock() {
+        const context = this.tryContext;
+        let forkContext = this.forkContext;
+        const returned = context.returnedForkContext;
+        const thrown = context.thrownForkContext;
+        const headOfLeavingSegments = forkContext.head;
+
+        // Update state.
+        if (context.position === "catch") {
+
+            // Merges two paths from the `try` block and `catch` block.
+            this.popForkContext();
+            forkContext = this.forkContext;
+
+            context.lastOfCatchIsReachable = forkContext.reachable;
+        } else {
+            context.lastOfTryIsReachable = forkContext.reachable;
+        }
+        context.position = "finally";
+
+        if (returned.empty && thrown.empty) {
+
+            // This path does not leave.
+            return;
+        }
+
+        /*
+         * Create a parallel segment from merging returned and thrown.
+         * This segment will leave at the end of this finally block.
+         */
+        const segments = forkContext.makeNext(-1, -1);
+
+        for (let i = 0; i < forkContext.count; ++i) {
+            const prevSegsOfLeavingSegment = [headOfLeavingSegments[i]];
+
+            for (let j = 0; j < returned.segmentsList.length; ++j) {
+                prevSegsOfLeavingSegment.push(returned.segmentsList[j][i]);
+            }
+            for (let j = 0; j < thrown.segmentsList.length; ++j) {
+                prevSegsOfLeavingSegment.push(thrown.segmentsList[j][i]);
+            }
+
+            segments.push(
+                CodePathSegment.newNext(
+                    this.idGenerator.next(),
+                    prevSegsOfLeavingSegment
+                )
+            );
+        }
+
+        this.pushForkContext(true);
+        this.forkContext.add(segments);
+    }
+
+    /**
+     * Makes a code path segment from the first throwable node to the `catch`
+     * block or the `finally` block.
+     * @returns {void}
+     */
+    makeFirstThrowablePathInTryBlock() {
+        const forkContext = this.forkContext;
+
+        if (!forkContext.reachable) {
+            return;
+        }
+
+        const context = getThrowContext(this);
+
+        if (context === this ||
+            context.position !== "try" ||
+            !context.thrownForkContext.empty
+        ) {
+            return;
+        }
+
+        context.thrownForkContext.add(forkContext.head);
+        forkContext.replaceHead(forkContext.makeNext(-1, -1));
+    }
+
+    //--------------------------------------------------------------------------
+    // Loop Statements
+    //--------------------------------------------------------------------------
+
+    /**
+     * Creates a context object of a loop statement and stacks it.
+     * @param {string} type The type of the node which was triggered. One of
+     *   `WhileStatement`, `DoWhileStatement`, `ForStatement`, `ForInStatement`,
+     *   and `ForStatement`.
+     * @param {string|null} label A label of the node which was triggered.
+     * @returns {void}
+     */
+    pushLoopContext(type, label) {
+        const forkContext = this.forkContext;
+        const breakContext = this.pushBreakContext(true, label);
+
+        switch (type) {
+            case "WhileStatement":
+                this.pushChoiceContext("loop", false);
+                this.loopContext = {
+                    upper: this.loopContext,
+                    type,
+                    label,
+                    test: void 0,
+                    continueDestSegments: null,
+                    brokenForkContext: breakContext.brokenForkContext
+                };
+                break;
+
+            case "DoWhileStatement":
+                this.pushChoiceContext("loop", false);
+                this.loopContext = {
+                    upper: this.loopContext,
+                    type,
+                    label,
+                    test: void 0,
+                    entrySegments: null,
+                    continueForkContext: ForkContext.newEmpty(forkContext),
+                    brokenForkContext: breakContext.brokenForkContext
+                };
+                break;
+
+            case "ForStatement":
+                this.pushChoiceContext("loop", false);
+                this.loopContext = {
+                    upper: this.loopContext,
+                    type,
+                    label,
+                    test: void 0,
+                    endOfInitSegments: null,
+                    testSegments: null,
+                    endOfTestSegments: null,
+                    updateSegments: null,
+                    endOfUpdateSegments: null,
+                    continueDestSegments: null,
+                    brokenForkContext: breakContext.brokenForkContext
+                };
+                break;
+
+            case "ForInStatement":
+            case "ForOfStatement":
+                this.loopContext = {
+                    upper: this.loopContext,
+                    type,
+                    label,
+                    prevSegments: null,
+                    leftSegments: null,
+                    endOfLeftSegments: null,
+                    continueDestSegments: null,
+                    brokenForkContext: breakContext.brokenForkContext
+                };
+                break;
+
+            /* istanbul ignore next */
+            default:
+                throw new Error(`unknown type: "${type}"`);
+        }
+    }
+
+    /**
+     * Pops the last context of a loop statement and finalizes it.
+     * @returns {void}
+     */
+    popLoopContext() {
+        const context = this.loopContext;
+
+        this.loopContext = context.upper;
+
+        const forkContext = this.forkContext;
+        const brokenForkContext = this.popBreakContext().brokenForkContext;
+
+        // Creates a looped path.
+        switch (context.type) {
+            case "WhileStatement":
+            case "ForStatement":
+                this.popChoiceContext();
+                makeLooped(
+                    this,
+                    forkContext.head,
+                    context.continueDestSegments
+                );
+                break;
+
+            case "DoWhileStatement": {
+                const choiceContext = this.popChoiceContext();
+
+                if (!choiceContext.processed) {
+                    choiceContext.trueForkContext.add(forkContext.head);
+                    choiceContext.falseForkContext.add(forkContext.head);
+                }
+                if (context.test !== true) {
+                    brokenForkContext.addAll(choiceContext.falseForkContext);
+                }
+
+                // `true` paths go to looping.
+                const segmentsList = choiceContext.trueForkContext.segmentsList;
+
+                for (let i = 0; i < segmentsList.length; ++i) {
+                    makeLooped(
+                        this,
+                        segmentsList[i],
+                        context.entrySegments
+                    );
+                }
+                break;
+            }
+
+            case "ForInStatement":
+            case "ForOfStatement":
+                brokenForkContext.add(forkContext.head);
+                makeLooped(
+                    this,
+                    forkContext.head,
+                    context.leftSegments
+                );
+                break;
+
+            /* istanbul ignore next */
+            default:
+                throw new Error("unreachable");
+        }
+
+        // Go next.
+        if (brokenForkContext.empty) {
+            forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+        } else {
+            forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+        }
+    }
+
+    /**
+     * Makes a code path segment for the test part of a WhileStatement.
+     * @param {boolean|undefined} test The test value (only when constant).
+     * @returns {void}
+     */
+    makeWhileTest(test) {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const testSegments = forkContext.makeNext(0, -1);
+
+        // Update state.
+        context.test = test;
+        context.continueDestSegments = testSegments;
+        forkContext.replaceHead(testSegments);
+    }
+
+    /**
+     * Makes a code path segment for the body part of a WhileStatement.
+     * @returns {void}
+     */
+    makeWhileBody() {
+        const context = this.loopContext;
+        const choiceContext = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        if (!choiceContext.processed) {
+            choiceContext.trueForkContext.add(forkContext.head);
+            choiceContext.falseForkContext.add(forkContext.head);
+        }
+
+        // Update state.
+        if (context.test !== true) {
+            context.brokenForkContext.addAll(choiceContext.falseForkContext);
+        }
+        forkContext.replaceHead(choiceContext.trueForkContext.makeNext(0, -1));
+    }
+
+    /**
+     * Makes a code path segment for the body part of a DoWhileStatement.
+     * @returns {void}
+     */
+    makeDoWhileBody() {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const bodySegments = forkContext.makeNext(-1, -1);
+
+        // Update state.
+        context.entrySegments = bodySegments;
+        forkContext.replaceHead(bodySegments);
+    }
+
+    /**
+     * Makes a code path segment for the test part of a DoWhileStatement.
+     * @param {boolean|undefined} test The test value (only when constant).
+     * @returns {void}
+     */
+    makeDoWhileTest(test) {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+
+        context.test = test;
+
+        // Creates paths of `continue` statements.
+        if (!context.continueForkContext.empty) {
+            context.continueForkContext.add(forkContext.head);
+            const testSegments = context.continueForkContext.makeNext(0, -1);
+
+            forkContext.replaceHead(testSegments);
+        }
+    }
+
+    /**
+     * Makes a code path segment for the test part of a ForStatement.
+     * @param {boolean|undefined} test The test value (only when constant).
+     * @returns {void}
+     */
+    makeForTest(test) {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const endOfInitSegments = forkContext.head;
+        const testSegments = forkContext.makeNext(-1, -1);
+
+        // Update state.
+        context.test = test;
+        context.endOfInitSegments = endOfInitSegments;
+        context.continueDestSegments = context.testSegments = testSegments;
+        forkContext.replaceHead(testSegments);
+    }
+
+    /**
+     * Makes a code path segment for the update part of a ForStatement.
+     * @returns {void}
+     */
+    makeForUpdate() {
+        const context = this.loopContext;
+        const choiceContext = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        // Make the next paths of the test.
+        if (context.testSegments) {
+            finalizeTestSegmentsOfFor(
+                context,
+                choiceContext,
+                forkContext.head
+            );
+        } else {
+            context.endOfInitSegments = forkContext.head;
+        }
+
+        // Update state.
+        const updateSegments = forkContext.makeDisconnected(-1, -1);
+
+        context.continueDestSegments = context.updateSegments = updateSegments;
+        forkContext.replaceHead(updateSegments);
+    }
+
+    /**
+     * Makes a code path segment for the body part of a ForStatement.
+     * @returns {void}
+     */
+    makeForBody() {
+        const context = this.loopContext;
+        const choiceContext = this.choiceContext;
+        const forkContext = this.forkContext;
+
+        // Update state.
+        if (context.updateSegments) {
+            context.endOfUpdateSegments = forkContext.head;
+
+            // `update` -> `test`
+            if (context.testSegments) {
+                makeLooped(
+                    this,
+                    context.endOfUpdateSegments,
+                    context.testSegments
+                );
+            }
+        } else if (context.testSegments) {
+            finalizeTestSegmentsOfFor(
+                context,
+                choiceContext,
+                forkContext.head
+            );
+        } else {
+            context.endOfInitSegments = forkContext.head;
+        }
+
+        let bodySegments = context.endOfTestSegments;
+
+        if (!bodySegments) {
+
+            /*
+             * If there is not the `test` part, the `body` path comes from the
+             * `init` part and the `update` part.
+             */
+            const prevForkContext = ForkContext.newEmpty(forkContext);
+
+            prevForkContext.add(context.endOfInitSegments);
+            if (context.endOfUpdateSegments) {
+                prevForkContext.add(context.endOfUpdateSegments);
+            }
+
+            bodySegments = prevForkContext.makeNext(0, -1);
+        }
+        context.continueDestSegments = context.continueDestSegments || bodySegments;
+        forkContext.replaceHead(bodySegments);
+    }
+
+    /**
+     * Makes a code path segment for the left part of a ForInStatement and a
+     * ForOfStatement.
+     * @returns {void}
+     */
+    makeForInOfLeft() {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const leftSegments = forkContext.makeDisconnected(-1, -1);
+
+        // Update state.
+        context.prevSegments = forkContext.head;
+        context.leftSegments = context.continueDestSegments = leftSegments;
+        forkContext.replaceHead(leftSegments);
+    }
+
+    /**
+     * Makes a code path segment for the right part of a ForInStatement and a
+     * ForOfStatement.
+     * @returns {void}
+     */
+    makeForInOfRight() {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const temp = ForkContext.newEmpty(forkContext);
+
+        temp.add(context.prevSegments);
+        const rightSegments = temp.makeNext(-1, -1);
+
+        // Update state.
+        context.endOfLeftSegments = forkContext.head;
+        forkContext.replaceHead(rightSegments);
+    }
+
+    /**
+     * Makes a code path segment for the body part of a ForInStatement and a
+     * ForOfStatement.
+     * @returns {void}
+     */
+    makeForInOfBody() {
+        const context = this.loopContext;
+        const forkContext = this.forkContext;
+        const temp = ForkContext.newEmpty(forkContext);
+
+        temp.add(context.endOfLeftSegments);
+        const bodySegments = temp.makeNext(-1, -1);
+
+        // Make a path: `right` -> `left`.
+        makeLooped(this, forkContext.head, context.leftSegments);
+
+        // Update state.
+        context.brokenForkContext.add(forkContext.head);
+        forkContext.replaceHead(bodySegments);
+    }
+
+    //--------------------------------------------------------------------------
+    // Control Statements
+    //--------------------------------------------------------------------------
+
+    /**
+     * Creates new context for BreakStatement.
+     * @param {boolean} breakable The flag to indicate it can break by
+     *      an unlabeled BreakStatement.
+     * @param {string|null} label The label of this context.
+     * @returns {Object} The new context.
+     */
+    pushBreakContext(breakable, label) {
+        this.breakContext = {
+            upper: this.breakContext,
+            breakable,
+            label,
+            brokenForkContext: ForkContext.newEmpty(this.forkContext)
+        };
+        return this.breakContext;
+    }
+
+    /**
+     * Removes the top item of the break context stack.
+     * @returns {Object} The removed context.
+     */
+    popBreakContext() {
+        const context = this.breakContext;
+        const forkContext = this.forkContext;
+
+        this.breakContext = context.upper;
+
+        // Process this context here for other than switches and loops.
+        if (!context.breakable) {
+            const brokenForkContext = context.brokenForkContext;
+
+            if (!brokenForkContext.empty) {
+                brokenForkContext.add(forkContext.head);
+                forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+            }
+        }
+
+        return context;
+    }
+
+    /**
+     * Makes a path for a `break` statement.
+     *
+     * It registers the head segment to a context of `break`.
+     * It makes new unreachable segment, then it set the head with the segment.
+     * @param {string} label A label of the break statement.
+     * @returns {void}
+     */
+    makeBreak(label) {
+        const forkContext = this.forkContext;
+
+        if (!forkContext.reachable) {
+            return;
+        }
+
+        const context = getBreakContext(this, label);
+
+        /* istanbul ignore else: foolproof (syntax error) */
+        if (context) {
+            context.brokenForkContext.add(forkContext.head);
+        }
+
+        forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+    }
+
+    /**
+     * Makes a path for a `continue` statement.
+     *
+     * It makes a looping path.
+     * It makes new unreachable segment, then it set the head with the segment.
+     * @param {string} label A label of the continue statement.
+     * @returns {void}
+     */
+    makeContinue(label) {
+        const forkContext = this.forkContext;
+
+        if (!forkContext.reachable) {
+            return;
+        }
+
+        const context = getContinueContext(this, label);
+
+        /* istanbul ignore else: foolproof (syntax error) */
+        if (context) {
+            if (context.continueDestSegments) {
+                makeLooped(this, forkContext.head, context.continueDestSegments);
+
+                // If the context is a for-in/of loop, this effects a break also.
+                if (context.type === "ForInStatement" ||
+                    context.type === "ForOfStatement"
+                ) {
+                    context.brokenForkContext.add(forkContext.head);
+                }
+            } else {
+                context.continueForkContext.add(forkContext.head);
+            }
+        }
+        forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+    }
+
+    /**
+     * Makes a path for a `return` statement.
+     *
+     * It registers the head segment to a context of `return`.
+     * It makes new unreachable segment, then it set the head with the segment.
+     * @returns {void}
+     */
+    makeReturn() {
+        const forkContext = this.forkContext;
+
+        if (forkContext.reachable) {
+            getReturnContext(this).returnedForkContext.add(forkContext.head);
+            forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+        }
+    }
+
+    /**
+     * Makes a path for a `throw` statement.
+     *
+     * It registers the head segment to a context of `throw`.
+     * It makes new unreachable segment, then it set the head with the segment.
+     * @returns {void}
+     */
+    makeThrow() {
+        const forkContext = this.forkContext;
+
+        if (forkContext.reachable) {
+            getThrowContext(this).thrownForkContext.add(forkContext.head);
+            forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+        }
+    }
+
+    /**
+     * Makes the final path.
+     * @returns {void}
+     */
+    makeFinal() {
+        const segments = this.currentSegments;
+
+        if (segments.length > 0 && segments[0].reachable) {
+            this.returnedForkContext.add(segments);
+        }
+    }
+}
+
+module.exports = CodePathState;
diff --git a/eslint/lib/linter/code-path-analysis/code-path.js b/eslint/lib/linter/code-path-analysis/code-path.js
new file mode 100644
index 0000000..49b37c6
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/code-path.js
@@ -0,0 +1,238 @@
+/**
+ * @fileoverview A class of the code path.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const CodePathState = require("./code-path-state");
+const IdGenerator = require("./id-generator");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A code path.
+ */
+class CodePath {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} id An identifier.
+     * @param {CodePath|null} upper The code path of the upper function scope.
+     * @param {Function} onLooped A callback function to notify looping.
+     */
+    constructor(id, upper, onLooped) {
+
+        /**
+         * The identifier of this code path.
+         * Rules use it to store additional information of each rule.
+         * @type {string}
+         */
+        this.id = id;
+
+        /**
+         * The code path of the upper function scope.
+         * @type {CodePath|null}
+         */
+        this.upper = upper;
+
+        /**
+         * The code paths of nested function scopes.
+         * @type {CodePath[]}
+         */
+        this.childCodePaths = [];
+
+        // Initializes internal state.
+        Object.defineProperty(
+            this,
+            "internal",
+            { value: new CodePathState(new IdGenerator(`${id}_`), onLooped) }
+        );
+
+        // Adds this into `childCodePaths` of `upper`.
+        if (upper) {
+            upper.childCodePaths.push(this);
+        }
+    }
+
+    /**
+     * Gets the state of a given code path.
+     * @param {CodePath} codePath A code path to get.
+     * @returns {CodePathState} The state of the code path.
+     */
+    static getState(codePath) {
+        return codePath.internal;
+    }
+
+    /**
+     * The initial code path segment.
+     * @type {CodePathSegment}
+     */
+    get initialSegment() {
+        return this.internal.initialSegment;
+    }
+
+    /**
+     * Final code path segments.
+     * This array is a mix of `returnedSegments` and `thrownSegments`.
+     * @type {CodePathSegment[]}
+     */
+    get finalSegments() {
+        return this.internal.finalSegments;
+    }
+
+    /**
+     * Final code path segments which is with `return` statements.
+     * This array contains the last path segment if it's reachable.
+     * Since the reachable last path returns `undefined`.
+     * @type {CodePathSegment[]}
+     */
+    get returnedSegments() {
+        return this.internal.returnedForkContext;
+    }
+
+    /**
+     * Final code path segments which is with `throw` statements.
+     * @type {CodePathSegment[]}
+     */
+    get thrownSegments() {
+        return this.internal.thrownForkContext;
+    }
+
+    /**
+     * Current code path segments.
+     * @type {CodePathSegment[]}
+     */
+    get currentSegments() {
+        return this.internal.currentSegments;
+    }
+
+    /**
+     * Traverses all segments in this code path.
+     *
+     *     codePath.traverseSegments(function(segment, controller) {
+     *         // do something.
+     *     });
+     *
+     * This method enumerates segments in order from the head.
+     *
+     * The `controller` object has two methods.
+     *
+     * - `controller.skip()` - Skip the following segments in this branch.
+     * - `controller.break()` - Skip all following segments.
+     * @param {Object} [options] Omittable.
+     * @param {CodePathSegment} [options.first] The first segment to traverse.
+     * @param {CodePathSegment} [options.last] The last segment to traverse.
+     * @param {Function} callback A callback function.
+     * @returns {void}
+     */
+    traverseSegments(options, callback) {
+        let resolvedOptions;
+        let resolvedCallback;
+
+        if (typeof options === "function") {
+            resolvedCallback = options;
+            resolvedOptions = {};
+        } else {
+            resolvedOptions = options || {};
+            resolvedCallback = callback;
+        }
+
+        const startSegment = resolvedOptions.first || this.internal.initialSegment;
+        const lastSegment = resolvedOptions.last;
+
+        let item = null;
+        let index = 0;
+        let end = 0;
+        let segment = null;
+        const visited = Object.create(null);
+        const stack = [[startSegment, 0]];
+        let skippedSegment = null;
+        let broken = false;
+        const controller = {
+            skip() {
+                if (stack.length <= 1) {
+                    broken = true;
+                } else {
+                    skippedSegment = stack[stack.length - 2][0];
+                }
+            },
+            break() {
+                broken = true;
+            }
+        };
+
+        /**
+         * Checks a given previous segment has been visited.
+         * @param {CodePathSegment} prevSegment A previous segment to check.
+         * @returns {boolean} `true` if the segment has been visited.
+         */
+        function isVisited(prevSegment) {
+            return (
+                visited[prevSegment.id] ||
+                segment.isLoopedPrevSegment(prevSegment)
+            );
+        }
+
+        while (stack.length > 0) {
+            item = stack[stack.length - 1];
+            segment = item[0];
+            index = item[1];
+
+            if (index === 0) {
+
+                // Skip if this segment has been visited already.
+                if (visited[segment.id]) {
+                    stack.pop();
+                    continue;
+                }
+
+                // Skip if all previous segments have not been visited.
+                if (segment !== startSegment &&
+                    segment.prevSegments.length > 0 &&
+                    !segment.prevSegments.every(isVisited)
+                ) {
+                    stack.pop();
+                    continue;
+                }
+
+                // Reset the flag of skipping if all branches have been skipped.
+                if (skippedSegment && segment.prevSegments.indexOf(skippedSegment) !== -1) {
+                    skippedSegment = null;
+                }
+                visited[segment.id] = true;
+
+                // Call the callback when the first time.
+                if (!skippedSegment) {
+                    resolvedCallback.call(this, segment, controller);
+                    if (segment === lastSegment) {
+                        controller.skip();
+                    }
+                    if (broken) {
+                        break;
+                    }
+                }
+            }
+
+            // Update the stack.
+            end = segment.nextSegments.length - 1;
+            if (index < end) {
+                item[1] += 1;
+                stack.push([segment.nextSegments[index], 0]);
+            } else if (index === end) {
+                item[0] = segment.nextSegments[index];
+                item[1] = 0;
+            } else {
+                stack.pop();
+            }
+        }
+    }
+}
+
+module.exports = CodePath;
diff --git a/eslint/lib/linter/code-path-analysis/debug-helpers.js b/eslint/lib/linter/code-path-analysis/debug-helpers.js
new file mode 100644
index 0000000..bde4e0a
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/debug-helpers.js
@@ -0,0 +1,196 @@
+/**
+ * @fileoverview Helpers to debug for code path analysis.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = require("debug")("eslint:code-path");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets id of a given segment.
+ * @param {CodePathSegment} segment A segment to get.
+ * @returns {string} Id of the segment.
+ */
+/* istanbul ignore next */
+function getId(segment) { // eslint-disable-line jsdoc/require-jsdoc
+    return segment.id + (segment.reachable ? "" : "!");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+
+    /**
+     * A flag that debug dumping is enabled or not.
+     * @type {boolean}
+     */
+    enabled: debug.enabled,
+
+    /**
+     * Dumps given objects.
+     * @param {...any} args objects to dump.
+     * @returns {void}
+     */
+    dump: debug,
+
+    /**
+     * Dumps the current analyzing state.
+     * @param {ASTNode} node A node to dump.
+     * @param {CodePathState} state A state to dump.
+     * @param {boolean} leaving A flag whether or not it's leaving
+     * @returns {void}
+     */
+    dumpState: !debug.enabled ? debug : /* istanbul ignore next */ function(node, state, leaving) {
+        for (let i = 0; i < state.currentSegments.length; ++i) {
+            const segInternal = state.currentSegments[i].internal;
+
+            if (leaving) {
+                segInternal.exitNodes.push(node);
+            } else {
+                segInternal.nodes.push(node);
+            }
+        }
+
+        debug([
+            `${state.currentSegments.map(getId).join(",")})`,
+            `${node.type}${leaving ? ":exit" : ""}`
+        ].join(" "));
+    },
+
+    /**
+     * Dumps a DOT code of a given code path.
+     * The DOT code can be visualized with Graphvis.
+     * @param {CodePath} codePath A code path to dump.
+     * @returns {void}
+     * @see http://www.graphviz.org
+     * @see http://www.webgraphviz.com
+     */
+    dumpDot: !debug.enabled ? debug : /* istanbul ignore next */ function(codePath) {
+        let text =
+            "\n" +
+            "digraph {\n" +
+            "node[shape=box,style=\"rounded,filled\",fillcolor=white];\n" +
+            "initial[label=\"\",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];\n";
+
+        if (codePath.returnedSegments.length > 0) {
+            text += "final[label=\"\",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];\n";
+        }
+        if (codePath.thrownSegments.length > 0) {
+            text += "thrown[label=\"✘\",shape=circle,width=0.3,height=0.3,fixedsize];\n";
+        }
+
+        const traceMap = Object.create(null);
+        const arrows = this.makeDotArrows(codePath, traceMap);
+
+        for (const id in traceMap) { // eslint-disable-line guard-for-in
+            const segment = traceMap[id];
+
+            text += `${id}[`;
+
+            if (segment.reachable) {
+                text += "label=\"";
+            } else {
+                text += "style=\"rounded,dashed,filled\",fillcolor=\"#FF9800\",label=\"<<unreachable>>\\n";
+            }
+
+            if (segment.internal.nodes.length > 0 || segment.internal.exitNodes.length > 0) {
+                text += [].concat(
+                    segment.internal.nodes.map(node => {
+                        switch (node.type) {
+                            case "Identifier": return `${node.type} (${node.name})`;
+                            case "Literal": return `${node.type} (${node.value})`;
+                            default: return node.type;
+                        }
+                    }),
+                    segment.internal.exitNodes.map(node => {
+                        switch (node.type) {
+                            case "Identifier": return `${node.type}:exit (${node.name})`;
+                            case "Literal": return `${node.type}:exit (${node.value})`;
+                            default: return `${node.type}:exit`;
+                        }
+                    })
+                ).join("\\n");
+            } else {
+                text += "????";
+            }
+
+            text += "\"];\n";
+        }
+
+        text += `${arrows}\n`;
+        text += "}";
+        debug("DOT", text);
+    },
+
+    /**
+     * Makes a DOT code of a given code path.
+     * The DOT code can be visualized with Graphvis.
+     * @param {CodePath} codePath A code path to make DOT.
+     * @param {Object} traceMap Optional. A map to check whether or not segments had been done.
+     * @returns {string} A DOT code of the code path.
+     */
+    makeDotArrows(codePath, traceMap) {
+        const stack = [[codePath.initialSegment, 0]];
+        const done = traceMap || Object.create(null);
+        let lastId = codePath.initialSegment.id;
+        let text = `initial->${codePath.initialSegment.id}`;
+
+        while (stack.length > 0) {
+            const item = stack.pop();
+            const segment = item[0];
+            const index = item[1];
+
+            if (done[segment.id] && index === 0) {
+                continue;
+            }
+            done[segment.id] = segment;
+
+            const nextSegment = segment.allNextSegments[index];
+
+            if (!nextSegment) {
+                continue;
+            }
+
+            if (lastId === segment.id) {
+                text += `->${nextSegment.id}`;
+            } else {
+                text += `;\n${segment.id}->${nextSegment.id}`;
+            }
+            lastId = nextSegment.id;
+
+            stack.unshift([segment, 1 + index]);
+            stack.push([nextSegment, 0]);
+        }
+
+        codePath.returnedSegments.forEach(finalSegment => {
+            if (lastId === finalSegment.id) {
+                text += "->final";
+            } else {
+                text += `;\n${finalSegment.id}->final`;
+            }
+            lastId = null;
+        });
+
+        codePath.thrownSegments.forEach(finalSegment => {
+            if (lastId === finalSegment.id) {
+                text += "->thrown";
+            } else {
+                text += `;\n${finalSegment.id}->thrown`;
+            }
+            lastId = null;
+        });
+
+        return `${text};`;
+    }
+};
diff --git a/eslint/lib/linter/code-path-analysis/fork-context.js b/eslint/lib/linter/code-path-analysis/fork-context.js
new file mode 100644
index 0000000..2e872b5
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/fork-context.js
@@ -0,0 +1,249 @@
+/**
+ * @fileoverview A class to operate forking.
+ *
+ * This is state of forking.
+ * This has a fork list and manages it.
+ *
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert"),
+    CodePathSegment = require("./code-path-segment");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets whether or not a given segment is reachable.
+ * @param {CodePathSegment} segment A segment to get.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Creates new segments from the specific range of `context.segmentsList`.
+ *
+ * When `context.segmentsList` is `[[a, b], [c, d], [e, f]]`, `begin` is `0`, and
+ * `end` is `-1`, this creates `[g, h]`. This `g` is from `a`, `c`, and `e`.
+ * This `h` is from `b`, `d`, and `f`.
+ * @param {ForkContext} context An instance.
+ * @param {number} begin The first index of the previous segments.
+ * @param {number} end The last index of the previous segments.
+ * @param {Function} create A factory function of new segments.
+ * @returns {CodePathSegment[]} New segments.
+ */
+function makeSegments(context, begin, end, create) {
+    const list = context.segmentsList;
+
+    const normalizedBegin = begin >= 0 ? begin : list.length + begin;
+    const normalizedEnd = end >= 0 ? end : list.length + end;
+
+    const segments = [];
+
+    for (let i = 0; i < context.count; ++i) {
+        const allPrevSegments = [];
+
+        for (let j = normalizedBegin; j <= normalizedEnd; ++j) {
+            allPrevSegments.push(list[j][i]);
+        }
+
+        segments.push(create(context.idGenerator.next(), allPrevSegments));
+    }
+
+    return segments;
+}
+
+/**
+ * `segments` becomes doubly in a `finally` block. Then if a code path exits by a
+ * control statement (such as `break`, `continue`) from the `finally` block, the
+ * destination's segments may be half of the source segments. In that case, this
+ * merges segments.
+ * @param {ForkContext} context An instance.
+ * @param {CodePathSegment[]} segments Segments to merge.
+ * @returns {CodePathSegment[]} The merged segments.
+ */
+function mergeExtraSegments(context, segments) {
+    let currentSegments = segments;
+
+    while (currentSegments.length > context.count) {
+        const merged = [];
+
+        for (let i = 0, length = currentSegments.length / 2 | 0; i < length; ++i) {
+            merged.push(CodePathSegment.newNext(
+                context.idGenerator.next(),
+                [currentSegments[i], currentSegments[i + length]]
+            ));
+        }
+        currentSegments = merged;
+    }
+    return currentSegments;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A class to manage forking.
+ */
+class ForkContext {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {IdGenerator} idGenerator An identifier generator for segments.
+     * @param {ForkContext|null} upper An upper fork context.
+     * @param {number} count A number of parallel segments.
+     */
+    constructor(idGenerator, upper, count) {
+        this.idGenerator = idGenerator;
+        this.upper = upper;
+        this.count = count;
+        this.segmentsList = [];
+    }
+
+    /**
+     * The head segments.
+     * @type {CodePathSegment[]}
+     */
+    get head() {
+        const list = this.segmentsList;
+
+        return list.length === 0 ? [] : list[list.length - 1];
+    }
+
+    /**
+     * A flag which shows empty.
+     * @type {boolean}
+     */
+    get empty() {
+        return this.segmentsList.length === 0;
+    }
+
+    /**
+     * A flag which shows reachable.
+     * @type {boolean}
+     */
+    get reachable() {
+        const segments = this.head;
+
+        return segments.length > 0 && segments.some(isReachable);
+    }
+
+    /**
+     * Creates new segments from this context.
+     * @param {number} begin The first index of previous segments.
+     * @param {number} end The last index of previous segments.
+     * @returns {CodePathSegment[]} New segments.
+     */
+    makeNext(begin, end) {
+        return makeSegments(this, begin, end, CodePathSegment.newNext);
+    }
+
+    /**
+     * Creates new segments from this context.
+     * The new segments is always unreachable.
+     * @param {number} begin The first index of previous segments.
+     * @param {number} end The last index of previous segments.
+     * @returns {CodePathSegment[]} New segments.
+     */
+    makeUnreachable(begin, end) {
+        return makeSegments(this, begin, end, CodePathSegment.newUnreachable);
+    }
+
+    /**
+     * Creates new segments from this context.
+     * The new segments don't have connections for previous segments.
+     * But these inherit the reachable flag from this context.
+     * @param {number} begin The first index of previous segments.
+     * @param {number} end The last index of previous segments.
+     * @returns {CodePathSegment[]} New segments.
+     */
+    makeDisconnected(begin, end) {
+        return makeSegments(this, begin, end, CodePathSegment.newDisconnected);
+    }
+
+    /**
+     * Adds segments into this context.
+     * The added segments become the head.
+     * @param {CodePathSegment[]} segments Segments to add.
+     * @returns {void}
+     */
+    add(segments) {
+        assert(segments.length >= this.count, `${segments.length} >= ${this.count}`);
+
+        this.segmentsList.push(mergeExtraSegments(this, segments));
+    }
+
+    /**
+     * Replaces the head segments with given segments.
+     * The current head segments are removed.
+     * @param {CodePathSegment[]} segments Segments to add.
+     * @returns {void}
+     */
+    replaceHead(segments) {
+        assert(segments.length >= this.count, `${segments.length} >= ${this.count}`);
+
+        this.segmentsList.splice(-1, 1, mergeExtraSegments(this, segments));
+    }
+
+    /**
+     * Adds all segments of a given fork context into this context.
+     * @param {ForkContext} context A fork context to add.
+     * @returns {void}
+     */
+    addAll(context) {
+        assert(context.count === this.count);
+
+        const source = context.segmentsList;
+
+        for (let i = 0; i < source.length; ++i) {
+            this.segmentsList.push(source[i]);
+        }
+    }
+
+    /**
+     * Clears all segments in this context.
+     * @returns {void}
+     */
+    clear() {
+        this.segmentsList = [];
+    }
+
+    /**
+     * Creates the root fork context.
+     * @param {IdGenerator} idGenerator An identifier generator for segments.
+     * @returns {ForkContext} New fork context.
+     */
+    static newRoot(idGenerator) {
+        const context = new ForkContext(idGenerator, null, 1);
+
+        context.add([CodePathSegment.newRoot(idGenerator.next())]);
+
+        return context;
+    }
+
+    /**
+     * Creates an empty fork context preceded by a given context.
+     * @param {ForkContext} parentContext The parent fork context.
+     * @param {boolean} forkLeavingPath A flag which shows inside of `finally` block.
+     * @returns {ForkContext} New fork context.
+     */
+    static newEmpty(parentContext, forkLeavingPath) {
+        return new ForkContext(
+            parentContext.idGenerator,
+            parentContext,
+            (forkLeavingPath ? 2 : 1) * parentContext.count
+        );
+    }
+}
+
+module.exports = ForkContext;
diff --git a/eslint/lib/linter/code-path-analysis/id-generator.js b/eslint/lib/linter/code-path-analysis/id-generator.js
new file mode 100644
index 0000000..4cb2e0e
--- /dev/null
+++ b/eslint/lib/linter/code-path-analysis/id-generator.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview A class of identifiers generator for code path segments.
+ *
+ * Each rule uses the identifier of code path segments to store additional
+ * information of the code path.
+ *
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A generator for unique ids.
+ */
+class IdGenerator {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} prefix Optional. A prefix of generated ids.
+     */
+    constructor(prefix) {
+        this.prefix = String(prefix);
+        this.n = 0;
+    }
+
+    /**
+     * Generates id.
+     * @returns {string} A generated id.
+     */
+    next() {
+        this.n = 1 + this.n | 0;
+
+        /* istanbul ignore if */
+        if (this.n < 0) {
+            this.n = 1;
+        }
+
+        return this.prefix + this.n;
+    }
+}
+
+module.exports = IdGenerator;
diff --git a/eslint/lib/linter/config-comment-parser.js b/eslint/lib/linter/config-comment-parser.js
new file mode 100644
index 0000000..3586231
--- /dev/null
+++ b/eslint/lib/linter/config-comment-parser.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Config Comment Parser
+ * @author Nicholas C. Zakas
+ */
+
+/* eslint-disable class-methods-use-this*/
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const levn = require("levn"),
+    ConfigOps = require("../shared/config-ops");
+
+const debug = require("debug")("eslint:config-comment-parser");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Object to parse ESLint configuration comments inside JavaScript files.
+ * @name ConfigCommentParser
+ */
+module.exports = class ConfigCommentParser {
+
+    /**
+     * Parses a list of "name:string_value" or/and "name" options divided by comma or
+     * whitespace. Used for "global" and "exported" comments.
+     * @param {string} string The string to parse.
+     * @param {Comment} comment The comment node which has the string.
+     * @returns {Object} Result map object of names and string values, or null values if no value was provided
+     */
+    parseStringConfig(string, comment) {
+        debug("Parsing String config");
+
+        const items = {};
+
+        // Collapse whitespace around `:` and `,` to make parsing easier
+        const trimmedString = string.replace(/\s*([:,])\s*/gu, "$1");
+
+        trimmedString.split(/\s|,+/u).forEach(name => {
+            if (!name) {
+                return;
+            }
+
+            // value defaults to null (if not provided), e.g: "foo" => ["foo", null]
+            const [key, value = null] = name.split(":");
+
+            items[key] = { value, comment };
+        });
+        return items;
+    }
+
+    /**
+     * Parses a JSON-like config.
+     * @param {string} string The string to parse.
+     * @param {Object} location Start line and column of comments for potential error message.
+     * @returns {({success: true, config: Object}|{success: false, error: Problem})} Result map object
+     */
+    parseJsonConfig(string, location) {
+        debug("Parsing JSON config");
+
+        let items = {};
+
+        // Parses a JSON-like comment by the same way as parsing CLI option.
+        try {
+            items = levn.parse("Object", string) || {};
+
+            // Some tests say that it should ignore invalid comments such as `/*eslint no-alert:abc*/`.
+            // Also, commaless notations have invalid severity:
+            //     "no-alert: 2 no-console: 2" --> {"no-alert": "2 no-console: 2"}
+            // Should ignore that case as well.
+            if (ConfigOps.isEverySeverityValid(items)) {
+                return {
+                    success: true,
+                    config: items
+                };
+            }
+        } catch (ex) {
+
+            debug("Levn parsing failed; falling back to manual parsing.");
+
+            // ignore to parse the string by a fallback.
+        }
+
+        /*
+         * Optionator cannot parse commaless notations.
+         * But we are supporting that. So this is a fallback for that.
+         */
+        items = {};
+        const normalizedString = string.replace(/([-a-zA-Z0-9/]+):/gu, "\"$1\":").replace(/(\]|[0-9])\s+(?=")/u, "$1,");
+
+        try {
+            items = JSON.parse(`{${normalizedString}}`);
+        } catch (ex) {
+            debug("Manual parsing failed.");
+
+            return {
+                success: false,
+                error: {
+                    ruleId: null,
+                    fatal: true,
+                    severity: 2,
+                    message: `Failed to parse JSON from '${normalizedString}': ${ex.message}`,
+                    line: location.start.line,
+                    column: location.start.column + 1
+                }
+            };
+
+        }
+
+        return {
+            success: true,
+            config: items
+        };
+    }
+
+    /**
+     * Parses a config of values separated by comma.
+     * @param {string} string The string to parse.
+     * @returns {Object} Result map of values and true values
+     */
+    parseListConfig(string) {
+        debug("Parsing list config");
+
+        const items = {};
+
+        // Collapse whitespace around commas
+        string.replace(/\s*,\s*/gu, ",").split(/,+/u).forEach(name => {
+            const trimmedName = name.trim();
+
+            if (trimmedName) {
+                items[trimmedName] = true;
+            }
+        });
+        return items;
+    }
+
+};
diff --git a/eslint/lib/linter/index.js b/eslint/lib/linter/index.js
new file mode 100644
index 0000000..25fd769
--- /dev/null
+++ b/eslint/lib/linter/index.js
@@ -0,0 +1,13 @@
+"use strict";
+
+const { Linter } = require("./linter");
+const interpolate = require("./interpolate");
+const SourceCodeFixer = require("./source-code-fixer");
+
+module.exports = {
+    Linter,
+
+    // For testers.
+    SourceCodeFixer,
+    interpolate
+};
diff --git a/eslint/lib/linter/interpolate.js b/eslint/lib/linter/interpolate.js
new file mode 100644
index 0000000..87e06a0
--- /dev/null
+++ b/eslint/lib/linter/interpolate.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Interpolate keys from an object into a string with {{ }} markers.
+ * @author Jed Fox
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = (text, data) => {
+    if (!data) {
+        return text;
+    }
+
+    // Substitution content for any {{ }} markers.
+    return text.replace(/\{\{([^{}]+?)\}\}/gu, (fullMatch, termWithWhitespace) => {
+        const term = termWithWhitespace.trim();
+
+        if (term in data) {
+            return data[term];
+        }
+
+        // Preserve old behavior: If parameter name not provided, don't replace it.
+        return fullMatch;
+    });
+};
diff --git a/eslint/lib/linter/linter.js b/eslint/lib/linter/linter.js
new file mode 100644
index 0000000..1d021d1
--- /dev/null
+++ b/eslint/lib/linter/linter.js
@@ -0,0 +1,1463 @@
+/**
+ * @fileoverview Main Linter Class
+ * @author Gyandeep Singh
+ * @author aladdin-add
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    path = require("path"),
+    eslintScope = require("eslint-scope"),
+    evk = require("eslint-visitor-keys"),
+    espree = require("espree"),
+    lodash = require("lodash"),
+    BuiltInEnvironments = require("../../conf/environments"),
+    pkg = require("../../package.json"),
+    astUtils = require("../shared/ast-utils"),
+    ConfigOps = require("../shared/config-ops"),
+    validator = require("../shared/config-validator"),
+    Traverser = require("../shared/traverser"),
+    { SourceCode } = require("../source-code"),
+    CodePathAnalyzer = require("./code-path-analysis/code-path-analyzer"),
+    applyDisableDirectives = require("./apply-disable-directives"),
+    ConfigCommentParser = require("./config-comment-parser"),
+    NodeEventGenerator = require("./node-event-generator"),
+    createReportTranslator = require("./report-translator"),
+    Rules = require("./rules"),
+    createEmitter = require("./safe-emitter"),
+    SourceCodeFixer = require("./source-code-fixer"),
+    timing = require("./timing"),
+    ruleReplacements = require("../../conf/replacements.json");
+
+const debug = require("debug")("eslint:linter");
+const MAX_AUTOFIX_PASSES = 10;
+const DEFAULT_PARSER_NAME = "espree";
+const commentParser = new ConfigCommentParser();
+const DEFAULT_ERROR_LOC = { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } };
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/** @typedef {InstanceType<import("../cli-engine/config-array")["ConfigArray"]>} ConfigArray */
+/** @typedef {InstanceType<import("../cli-engine/config-array")["ExtractedConfig"]>} ExtractedConfig */
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+/** @typedef {import("../shared/types").Environment} Environment */
+/** @typedef {import("../shared/types").GlobalConf} GlobalConf */
+/** @typedef {import("../shared/types").LintMessage} LintMessage */
+/** @typedef {import("../shared/types").ParserOptions} ParserOptions */
+/** @typedef {import("../shared/types").Processor} Processor */
+/** @typedef {import("../shared/types").Rule} Rule */
+
+/**
+ * @template T
+ * @typedef {{ [P in keyof T]-?: T[P] }} Required
+ */
+
+/**
+ * @typedef {Object} DisableDirective
+ * @property {("disable"|"enable"|"disable-line"|"disable-next-line")} type
+ * @property {number} line
+ * @property {number} column
+ * @property {(string|null)} ruleId
+ */
+
+/**
+ * The private data for `Linter` instance.
+ * @typedef {Object} LinterInternalSlots
+ * @property {ConfigArray|null} lastConfigArray The `ConfigArray` instance that the last `verify()` call used.
+ * @property {SourceCode|null} lastSourceCode The `SourceCode` instance that the last `verify()` call used.
+ * @property {Map<string, Parser>} parserMap The loaded parsers.
+ * @property {Rules} ruleMap The loaded rules.
+ */
+
+/**
+ * @typedef {Object} VerifyOptions
+ * @property {boolean} [allowInlineConfig] Allow/disallow inline comments' ability
+ *      to change config once it is set. Defaults to true if not supplied.
+ *      Useful if you want to validate JS without comments overriding rules.
+ * @property {boolean} [disableFixes] if `true` then the linter doesn't make `fix`
+ *      properties into the lint result.
+ * @property {string} [filename] the filename of the source code.
+ * @property {boolean | "off" | "warn" | "error"} [reportUnusedDisableDirectives] Adds reported errors for
+ *      unused `eslint-disable` directives.
+ */
+
+/**
+ * @typedef {Object} ProcessorOptions
+ * @property {(filename:string, text:string) => boolean} [filterCodeBlock] the
+ *      predicate function that selects adopt code blocks.
+ * @property {Processor["postprocess"]} [postprocess] postprocessor for report
+ *      messages. If provided, this should accept an array of the message lists
+ *      for each code block returned from the preprocessor, apply a mapping to
+ *      the messages as appropriate, and return a one-dimensional array of
+ *      messages.
+ * @property {Processor["preprocess"]} [preprocess] preprocessor for source text.
+ *      If provided, this should accept a string of source text, and return an
+ *      array of code blocks to lint.
+ */
+
+/**
+ * @typedef {Object} FixOptions
+ * @property {boolean | ((message: LintMessage) => boolean)} [fix] Determines
+ *      whether fixes should be applied.
+ */
+
+/**
+ * @typedef {Object} InternalOptions
+ * @property {string | null} warnInlineConfig The config name what `noInlineConfig` setting came from. If `noInlineConfig` setting didn't exist, this is null. If this is a config name, then the linter warns directive comments.
+ * @property {"off" | "warn" | "error"} reportUnusedDisableDirectives (boolean values were normalized)
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Ensures that variables representing built-in properties of the Global Object,
+ * and any globals declared by special block comments, are present in the global
+ * scope.
+ * @param {Scope} globalScope The global scope.
+ * @param {Object} configGlobals The globals declared in configuration
+ * @param {{exportedVariables: Object, enabledGlobals: Object}} commentDirectives Directives from comment configuration
+ * @returns {void}
+ */
+function addDeclaredGlobals(globalScope, configGlobals, { exportedVariables, enabledGlobals }) {
+
+    // Define configured global variables.
+    for (const id of new Set([...Object.keys(configGlobals), ...Object.keys(enabledGlobals)])) {
+
+        /*
+         * `ConfigOps.normalizeConfigGlobal` will throw an error if a configured global value is invalid. However, these errors would
+         * typically be caught when validating a config anyway (validity for inline global comments is checked separately).
+         */
+        const configValue = configGlobals[id] === void 0 ? void 0 : ConfigOps.normalizeConfigGlobal(configGlobals[id]);
+        const commentValue = enabledGlobals[id] && enabledGlobals[id].value;
+        const value = commentValue || configValue;
+        const sourceComments = enabledGlobals[id] && enabledGlobals[id].comments;
+
+        if (value === "off") {
+            continue;
+        }
+
+        let variable = globalScope.set.get(id);
+
+        if (!variable) {
+            variable = new eslintScope.Variable(id, globalScope);
+
+            globalScope.variables.push(variable);
+            globalScope.set.set(id, variable);
+        }
+
+        variable.eslintImplicitGlobalSetting = configValue;
+        variable.eslintExplicitGlobal = sourceComments !== void 0;
+        variable.eslintExplicitGlobalComments = sourceComments;
+        variable.writeable = (value === "writable");
+    }
+
+    // mark all exported variables as such
+    Object.keys(exportedVariables).forEach(name => {
+        const variable = globalScope.set.get(name);
+
+        if (variable) {
+            variable.eslintUsed = true;
+        }
+    });
+
+    /*
+     * "through" contains all references which definitions cannot be found.
+     * Since we augment the global scope using configuration, we need to update
+     * references and remove the ones that were added by configuration.
+     */
+    globalScope.through = globalScope.through.filter(reference => {
+        const name = reference.identifier.name;
+        const variable = globalScope.set.get(name);
+
+        if (variable) {
+
+            /*
+             * Links the variable and the reference.
+             * And this reference is removed from `Scope#through`.
+             */
+            reference.resolved = variable;
+            variable.references.push(reference);
+
+            return false;
+        }
+
+        return true;
+    });
+}
+
+/**
+ * creates a missing-rule message.
+ * @param {string} ruleId the ruleId to create
+ * @returns {string} created error message
+ * @private
+ */
+function createMissingRuleMessage(ruleId) {
+    return Object.prototype.hasOwnProperty.call(ruleReplacements.rules, ruleId)
+        ? `Rule '${ruleId}' was removed and replaced by: ${ruleReplacements.rules[ruleId].join(", ")}`
+        : `Definition for rule '${ruleId}' was not found.`;
+}
+
+/**
+ * creates a linting problem
+ * @param {Object} options to create linting error
+ * @param {string} [options.ruleId] the ruleId to report
+ * @param {Object} [options.loc] the loc to report
+ * @param {string} [options.message] the error message to report
+ * @param {string} [options.severity] the error message to report
+ * @returns {LintMessage} created problem, returns a missing-rule problem if only provided ruleId.
+ * @private
+ */
+function createLintingProblem(options) {
+    const {
+        ruleId = null,
+        loc = DEFAULT_ERROR_LOC,
+        message = createMissingRuleMessage(options.ruleId),
+        severity = 2
+    } = options;
+
+    return {
+        ruleId,
+        message,
+        line: loc.start.line,
+        column: loc.start.column + 1,
+        endLine: loc.end.line,
+        endColumn: loc.end.column + 1,
+        severity,
+        nodeType: null
+    };
+}
+
+/**
+ * Creates a collection of disable directives from a comment
+ * @param {Object} options to create disable directives
+ * @param {("disable"|"enable"|"disable-line"|"disable-next-line")} options.type The type of directive comment
+ * @param {{line: number, column: number}} options.loc The 0-based location of the comment token
+ * @param {string} options.value The value after the directive in the comment
+ * comment specified no specific rules, so it applies to all rules (e.g. `eslint-disable`)
+ * @param {function(string): {create: Function}} options.ruleMapper A map from rule IDs to defined rules
+ * @returns {Object} Directives and problems from the comment
+ */
+function createDisableDirectives(options) {
+    const { type, loc, value, ruleMapper } = options;
+    const ruleIds = Object.keys(commentParser.parseListConfig(value));
+    const directiveRules = ruleIds.length ? ruleIds : [null];
+    const result = {
+        directives: [], // valid disable directives
+        directiveProblems: [] // problems in directives
+    };
+
+    for (const ruleId of directiveRules) {
+
+        // push to directives, if the rule is defined(including null, e.g. /*eslint enable*/)
+        if (ruleId === null || ruleMapper(ruleId) !== null) {
+            result.directives.push({ type, line: loc.start.line, column: loc.start.column + 1, ruleId });
+        } else {
+            result.directiveProblems.push(createLintingProblem({ ruleId, loc }));
+        }
+    }
+    return result;
+}
+
+/**
+ * Remove the ignored part from a given directive comment and trim it.
+ * @param {string} value The comment text to strip.
+ * @returns {string} The stripped text.
+ */
+function stripDirectiveComment(value) {
+    return value.split(/\s-{2,}\s/u)[0].trim();
+}
+
+/**
+ * Parses comments in file to extract file-specific config of rules, globals
+ * and environments and merges them with global config; also code blocks
+ * where reporting is disabled or enabled and merges them with reporting config.
+ * @param {string} filename The file being checked.
+ * @param {ASTNode} ast The top node of the AST.
+ * @param {function(string): {create: Function}} ruleMapper A map from rule IDs to defined rules
+ * @param {string|null} warnInlineConfig If a string then it should warn directive comments as disabled. The string value is the config name what the setting came from.
+ * @returns {{configuredRules: Object, enabledGlobals: {value:string,comment:Token}[], exportedVariables: Object, problems: Problem[], disableDirectives: DisableDirective[]}}
+ * A collection of the directive comments that were found, along with any problems that occurred when parsing
+ */
+function getDirectiveComments(filename, ast, ruleMapper, warnInlineConfig) {
+    const configuredRules = {};
+    const enabledGlobals = Object.create(null);
+    const exportedVariables = {};
+    const problems = [];
+    const disableDirectives = [];
+
+    ast.comments.filter(token => token.type !== "Shebang").forEach(comment => {
+        const trimmedCommentText = stripDirectiveComment(comment.value);
+        const match = /^(eslint(?:-env|-enable|-disable(?:(?:-next)?-line)?)?|exported|globals?)(?:\s|$)/u.exec(trimmedCommentText);
+
+        if (!match) {
+            return;
+        }
+        const directiveText = match[1];
+        const lineCommentSupported = /^eslint-disable-(next-)?line$/u.test(directiveText);
+
+        if (comment.type === "Line" && !lineCommentSupported) {
+            return;
+        }
+
+        if (warnInlineConfig) {
+            const kind = comment.type === "Block" ? `/*${directiveText}*/` : `//${directiveText}`;
+
+            problems.push(createLintingProblem({
+                ruleId: null,
+                message: `'${kind}' has no effect because you have 'noInlineConfig' setting in ${warnInlineConfig}.`,
+                loc: comment.loc,
+                severity: 1
+            }));
+            return;
+        }
+
+        if (lineCommentSupported && comment.loc.start.line !== comment.loc.end.line) {
+            const message = `${directiveText} comment should not span multiple lines.`;
+
+            problems.push(createLintingProblem({
+                ruleId: null,
+                message,
+                loc: comment.loc
+            }));
+            return;
+        }
+
+        const directiveValue = trimmedCommentText.slice(match.index + directiveText.length);
+
+        switch (directiveText) {
+            case "eslint-disable":
+            case "eslint-enable":
+            case "eslint-disable-next-line":
+            case "eslint-disable-line": {
+                const directiveType = directiveText.slice("eslint-".length);
+                const options = { type: directiveType, loc: comment.loc, value: directiveValue, ruleMapper };
+                const { directives, directiveProblems } = createDisableDirectives(options);
+
+                disableDirectives.push(...directives);
+                problems.push(...directiveProblems);
+                break;
+            }
+
+            case "exported":
+                Object.assign(exportedVariables, commentParser.parseStringConfig(directiveValue, comment));
+                break;
+
+            case "globals":
+            case "global":
+                for (const [id, { value }] of Object.entries(commentParser.parseStringConfig(directiveValue, comment))) {
+                    let normalizedValue;
+
+                    try {
+                        normalizedValue = ConfigOps.normalizeConfigGlobal(value);
+                    } catch (err) {
+                        problems.push(createLintingProblem({
+                            ruleId: null,
+                            loc: comment.loc,
+                            message: err.message
+                        }));
+                        continue;
+                    }
+
+                    if (enabledGlobals[id]) {
+                        enabledGlobals[id].comments.push(comment);
+                        enabledGlobals[id].value = normalizedValue;
+                    } else {
+                        enabledGlobals[id] = {
+                            comments: [comment],
+                            value: normalizedValue
+                        };
+                    }
+                }
+                break;
+
+            case "eslint": {
+                const parseResult = commentParser.parseJsonConfig(directiveValue, comment.loc);
+
+                if (parseResult.success) {
+                    Object.keys(parseResult.config).forEach(name => {
+                        const rule = ruleMapper(name);
+                        const ruleValue = parseResult.config[name];
+
+                        if (rule === null) {
+                            problems.push(createLintingProblem({ ruleId: name, loc: comment.loc }));
+                            return;
+                        }
+
+                        try {
+                            validator.validateRuleOptions(rule, name, ruleValue);
+                        } catch (err) {
+                            problems.push(createLintingProblem({
+                                ruleId: name,
+                                message: err.message,
+                                loc: comment.loc
+                            }));
+
+                            // do not apply the config, if found invalid options.
+                            return;
+                        }
+
+                        configuredRules[name] = ruleValue;
+                    });
+                } else {
+                    problems.push(parseResult.error);
+                }
+
+                break;
+            }
+
+            // no default
+        }
+    });
+
+    return {
+        configuredRules,
+        enabledGlobals,
+        exportedVariables,
+        problems,
+        disableDirectives
+    };
+}
+
+/**
+ * Normalize ECMAScript version from the initial config
+ * @param  {number} ecmaVersion ECMAScript version from the initial config
+ * @returns {number} normalized ECMAScript version
+ */
+function normalizeEcmaVersion(ecmaVersion) {
+
+    /*
+     * Calculate ECMAScript edition number from official year version starting with
+     * ES2015, which corresponds with ES6 (or a difference of 2009).
+     */
+    return ecmaVersion >= 2015 ? ecmaVersion - 2009 : ecmaVersion;
+}
+
+const eslintEnvPattern = /\/\*\s*eslint-env\s(.+?)\*\//gu;
+
+/**
+ * Checks whether or not there is a comment which has "eslint-env *" in a given text.
+ * @param {string} text A source code text to check.
+ * @returns {Object|null} A result of parseListConfig() with "eslint-env *" comment.
+ */
+function findEslintEnv(text) {
+    let match, retv;
+
+    eslintEnvPattern.lastIndex = 0;
+
+    while ((match = eslintEnvPattern.exec(text)) !== null) {
+        retv = Object.assign(
+            retv || {},
+            commentParser.parseListConfig(stripDirectiveComment(match[1]))
+        );
+    }
+
+    return retv;
+}
+
+/**
+ * Convert "/path/to/<text>" to "<text>".
+ * `CLIEngine#executeOnText()` method gives "/path/to/<text>" if the filename
+ * was omitted because `configArray.extractConfig()` requires an absolute path.
+ * But the linter should pass `<text>` to `RuleContext#getFilename()` in that
+ * case.
+ * Also, code blocks can have their virtual filename. If the parent filename was
+ * `<text>`, the virtual filename is `<text>/0_foo.js` or something like (i.e.,
+ * it's not an absolute path).
+ * @param {string} filename The filename to normalize.
+ * @returns {string} The normalized filename.
+ */
+function normalizeFilename(filename) {
+    const parts = filename.split(path.sep);
+    const index = parts.lastIndexOf("<text>");
+
+    return index === -1 ? filename : parts.slice(index).join(path.sep);
+}
+
+/**
+ * Normalizes the possible options for `linter.verify` and `linter.verifyAndFix` to a
+ * consistent shape.
+ * @param {VerifyOptions} providedOptions Options
+ * @param {ConfigData} config Config.
+ * @returns {Required<VerifyOptions> & InternalOptions} Normalized options
+ */
+function normalizeVerifyOptions(providedOptions, config) {
+    const disableInlineConfig = config.noInlineConfig === true;
+    const ignoreInlineConfig = providedOptions.allowInlineConfig === false;
+    const configNameOfNoInlineConfig = config.configNameOfNoInlineConfig
+        ? ` (${config.configNameOfNoInlineConfig})`
+        : "";
+
+    let reportUnusedDisableDirectives = providedOptions.reportUnusedDisableDirectives;
+
+    if (typeof reportUnusedDisableDirectives === "boolean") {
+        reportUnusedDisableDirectives = reportUnusedDisableDirectives ? "error" : "off";
+    }
+    if (typeof reportUnusedDisableDirectives !== "string") {
+        reportUnusedDisableDirectives = config.reportUnusedDisableDirectives ? "warn" : "off";
+    }
+
+    return {
+        filename: normalizeFilename(providedOptions.filename || "<input>"),
+        allowInlineConfig: !ignoreInlineConfig,
+        warnInlineConfig: disableInlineConfig && !ignoreInlineConfig
+            ? `your config${configNameOfNoInlineConfig}`
+            : null,
+        reportUnusedDisableDirectives,
+        disableFixes: Boolean(providedOptions.disableFixes)
+    };
+}
+
+/**
+ * Combines the provided parserOptions with the options from environments
+ * @param {string} parserName The parser name which uses this options.
+ * @param {ParserOptions} providedOptions The provided 'parserOptions' key in a config
+ * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments
+ * @returns {ParserOptions} Resulting parser options after merge
+ */
+function resolveParserOptions(parserName, providedOptions, enabledEnvironments) {
+    const parserOptionsFromEnv = enabledEnvironments
+        .filter(env => env.parserOptions)
+        .reduce((parserOptions, env) => lodash.merge(parserOptions, env.parserOptions), {});
+    const mergedParserOptions = lodash.merge(parserOptionsFromEnv, providedOptions || {});
+    const isModule = mergedParserOptions.sourceType === "module";
+
+    if (isModule) {
+
+        /*
+         * can't have global return inside of modules
+         * TODO: espree validate parserOptions.globalReturn when sourceType is setting to module.(@aladdin-add)
+         */
+        mergedParserOptions.ecmaFeatures = Object.assign({}, mergedParserOptions.ecmaFeatures, { globalReturn: false });
+    }
+
+    /*
+     * TODO: @aladdin-add
+     * 1. for a 3rd-party parser, do not normalize parserOptions
+     * 2. for espree, no need to do this (espree will do it)
+     */
+    mergedParserOptions.ecmaVersion = normalizeEcmaVersion(mergedParserOptions.ecmaVersion);
+
+    return mergedParserOptions;
+}
+
+/**
+ * Combines the provided globals object with the globals from environments
+ * @param {Record<string, GlobalConf>} providedGlobals The 'globals' key in a config
+ * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments
+ * @returns {Record<string, GlobalConf>} The resolved globals object
+ */
+function resolveGlobals(providedGlobals, enabledEnvironments) {
+    return Object.assign(
+        {},
+        ...enabledEnvironments.filter(env => env.globals).map(env => env.globals),
+        providedGlobals
+    );
+}
+
+/**
+ * Strips Unicode BOM from a given text.
+ * @param {string} text A text to strip.
+ * @returns {string} The stripped text.
+ */
+function stripUnicodeBOM(text) {
+
+    /*
+     * Check Unicode BOM.
+     * In JavaScript, string data is stored as UTF-16, so BOM is 0xFEFF.
+     * http://www.ecma-international.org/ecma-262/6.0/#sec-unicode-format-control-characters
+     */
+    if (text.charCodeAt(0) === 0xFEFF) {
+        return text.slice(1);
+    }
+    return text;
+}
+
+/**
+ * Get the options for a rule (not including severity), if any
+ * @param {Array|number} ruleConfig rule configuration
+ * @returns {Array} of rule options, empty Array if none
+ */
+function getRuleOptions(ruleConfig) {
+    if (Array.isArray(ruleConfig)) {
+        return ruleConfig.slice(1);
+    }
+    return [];
+
+}
+
+/**
+ * Analyze scope of the given AST.
+ * @param {ASTNode} ast The `Program` node to analyze.
+ * @param {ParserOptions} parserOptions The parser options.
+ * @param {Record<string, string[]>} visitorKeys The visitor keys.
+ * @returns {ScopeManager} The analysis result.
+ */
+function analyzeScope(ast, parserOptions, visitorKeys) {
+    const ecmaFeatures = parserOptions.ecmaFeatures || {};
+    const ecmaVersion = parserOptions.ecmaVersion || 5;
+
+    return eslintScope.analyze(ast, {
+        ignoreEval: true,
+        nodejsScope: ecmaFeatures.globalReturn,
+        impliedStrict: ecmaFeatures.impliedStrict,
+        ecmaVersion,
+        sourceType: parserOptions.sourceType || "script",
+        childVisitorKeys: visitorKeys || evk.KEYS,
+        fallback: Traverser.getKeys
+    });
+}
+
+/**
+ * Parses text into an AST. Moved out here because the try-catch prevents
+ * optimization of functions, so it's best to keep the try-catch as isolated
+ * as possible
+ * @param {string} text The text to parse.
+ * @param {Parser} parser The parser to parse.
+ * @param {ParserOptions} providedParserOptions Options to pass to the parser
+ * @param {string} filePath The path to the file being parsed.
+ * @returns {{success: false, error: Problem}|{success: true, sourceCode: SourceCode}}
+ * An object containing the AST and parser services if parsing was successful, or the error if parsing failed
+ * @private
+ */
+function parse(text, parser, providedParserOptions, filePath) {
+    const textToParse = stripUnicodeBOM(text).replace(astUtils.shebangPattern, (match, captured) => `//${captured}`);
+    const parserOptions = Object.assign({}, providedParserOptions, {
+        loc: true,
+        range: true,
+        raw: true,
+        tokens: true,
+        comment: true,
+        eslintVisitorKeys: true,
+        eslintScopeManager: true,
+        filePath
+    });
+
+    /*
+     * Check for parsing errors first. If there's a parsing error, nothing
+     * else can happen. However, a parsing error does not throw an error
+     * from this method - it's just considered a fatal error message, a
+     * problem that ESLint identified just like any other.
+     */
+    try {
+        const parseResult = (typeof parser.parseForESLint === "function")
+            ? parser.parseForESLint(textToParse, parserOptions)
+            : { ast: parser.parse(textToParse, parserOptions) };
+        const ast = parseResult.ast;
+        const parserServices = parseResult.services || {};
+        const visitorKeys = parseResult.visitorKeys || evk.KEYS;
+        const scopeManager = parseResult.scopeManager || analyzeScope(ast, parserOptions, visitorKeys);
+
+        return {
+            success: true,
+
+            /*
+             * Save all values that `parseForESLint()` returned.
+             * If a `SourceCode` object is given as the first parameter instead of source code text,
+             * linter skips the parsing process and reuses the source code object.
+             * In that case, linter needs all the values that `parseForESLint()` returned.
+             */
+            sourceCode: new SourceCode({
+                text,
+                ast,
+                parserServices,
+                scopeManager,
+                visitorKeys
+            })
+        };
+    } catch (ex) {
+
+        // If the message includes a leading line number, strip it:
+        const message = `Parsing error: ${ex.message.replace(/^line \d+:/iu, "").trim()}`;
+
+        debug("%s\n%s", message, ex.stack);
+
+        return {
+            success: false,
+            error: {
+                ruleId: null,
+                fatal: true,
+                severity: 2,
+                message,
+                line: ex.lineNumber,
+                column: ex.column
+            }
+        };
+    }
+}
+
+/**
+ * Gets the scope for the current node
+ * @param {ScopeManager} scopeManager The scope manager for this AST
+ * @param {ASTNode} currentNode The node to get the scope of
+ * @returns {eslint-scope.Scope} The scope information for this node
+ */
+function getScope(scopeManager, currentNode) {
+
+    // On Program node, get the outermost scope to avoid return Node.js special function scope or ES modules scope.
+    const inner = currentNode.type !== "Program";
+
+    for (let node = currentNode; node; node = node.parent) {
+        const scope = scopeManager.acquire(node, inner);
+
+        if (scope) {
+            if (scope.type === "function-expression-name") {
+                return scope.childScopes[0];
+            }
+            return scope;
+        }
+    }
+
+    return scopeManager.scopes[0];
+}
+
+/**
+ * Marks a variable as used in the current scope
+ * @param {ScopeManager} scopeManager The scope manager for this AST. The scope may be mutated by this function.
+ * @param {ASTNode} currentNode The node currently being traversed
+ * @param {Object} parserOptions The options used to parse this text
+ * @param {string} name The name of the variable that should be marked as used.
+ * @returns {boolean} True if the variable was found and marked as used, false if not.
+ */
+function markVariableAsUsed(scopeManager, currentNode, parserOptions, name) {
+    const hasGlobalReturn = parserOptions.ecmaFeatures && parserOptions.ecmaFeatures.globalReturn;
+    const specialScope = hasGlobalReturn || parserOptions.sourceType === "module";
+    const currentScope = getScope(scopeManager, currentNode);
+
+    // Special Node.js scope means we need to start one level deeper
+    const initialScope = currentScope.type === "global" && specialScope ? currentScope.childScopes[0] : currentScope;
+
+    for (let scope = initialScope; scope; scope = scope.upper) {
+        const variable = scope.variables.find(scopeVar => scopeVar.name === name);
+
+        if (variable) {
+            variable.eslintUsed = true;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+/**
+ * Runs a rule, and gets its listeners
+ * @param {Rule} rule A normalized rule with a `create` method
+ * @param {Context} ruleContext The context that should be passed to the rule
+ * @returns {Object} A map of selector listeners provided by the rule
+ */
+function createRuleListeners(rule, ruleContext) {
+    try {
+        return rule.create(ruleContext);
+    } catch (ex) {
+        ex.message = `Error while loading rule '${ruleContext.id}': ${ex.message}`;
+        throw ex;
+    }
+}
+
+/**
+ * Gets all the ancestors of a given node
+ * @param {ASTNode} node The node
+ * @returns {ASTNode[]} All the ancestor nodes in the AST, not including the provided node, starting
+ * from the root node and going inwards to the parent node.
+ */
+function getAncestors(node) {
+    const ancestorsStartingAtParent = [];
+
+    for (let ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
+        ancestorsStartingAtParent.push(ancestor);
+    }
+
+    return ancestorsStartingAtParent.reverse();
+}
+
+// methods that exist on SourceCode object
+const DEPRECATED_SOURCECODE_PASSTHROUGHS = {
+    getSource: "getText",
+    getSourceLines: "getLines",
+    getAllComments: "getAllComments",
+    getNodeByRangeIndex: "getNodeByRangeIndex",
+    getComments: "getComments",
+    getCommentsBefore: "getCommentsBefore",
+    getCommentsAfter: "getCommentsAfter",
+    getCommentsInside: "getCommentsInside",
+    getJSDocComment: "getJSDocComment",
+    getFirstToken: "getFirstToken",
+    getFirstTokens: "getFirstTokens",
+    getLastToken: "getLastToken",
+    getLastTokens: "getLastTokens",
+    getTokenAfter: "getTokenAfter",
+    getTokenBefore: "getTokenBefore",
+    getTokenByRangeStart: "getTokenByRangeStart",
+    getTokens: "getTokens",
+    getTokensAfter: "getTokensAfter",
+    getTokensBefore: "getTokensBefore",
+    getTokensBetween: "getTokensBetween"
+};
+
+const BASE_TRAVERSAL_CONTEXT = Object.freeze(
+    Object.keys(DEPRECATED_SOURCECODE_PASSTHROUGHS).reduce(
+        (contextInfo, methodName) =>
+            Object.assign(contextInfo, {
+                [methodName](...args) {
+                    return this.getSourceCode()[DEPRECATED_SOURCECODE_PASSTHROUGHS[methodName]](...args);
+                }
+            }),
+        {}
+    )
+);
+
+/**
+ * Runs the given rules on the given SourceCode object
+ * @param {SourceCode} sourceCode A SourceCode object for the given text
+ * @param {Object} configuredRules The rules configuration
+ * @param {function(string): Rule} ruleMapper A mapper function from rule names to rules
+ * @param {Object} parserOptions The options that were passed to the parser
+ * @param {string} parserName The name of the parser in the config
+ * @param {Object} settings The settings that were enabled in the config
+ * @param {string} filename The reported filename of the code
+ * @param {boolean} disableFixes If true, it doesn't make `fix` properties.
+ * @param {string | undefined} cwd cwd of the cli
+ * @returns {Problem[]} An array of reported problems
+ */
+function runRules(sourceCode, configuredRules, ruleMapper, parserOptions, parserName, settings, filename, disableFixes, cwd) {
+    const emitter = createEmitter();
+    const nodeQueue = [];
+    let currentNode = sourceCode.ast;
+
+    Traverser.traverse(sourceCode.ast, {
+        enter(node, parent) {
+            node.parent = parent;
+            nodeQueue.push({ isEntering: true, node });
+        },
+        leave(node) {
+            nodeQueue.push({ isEntering: false, node });
+        },
+        visitorKeys: sourceCode.visitorKeys
+    });
+
+    /*
+     * Create a frozen object with the ruleContext properties and methods that are shared by all rules.
+     * All rule contexts will inherit from this object. This avoids the performance penalty of copying all the
+     * properties once for each rule.
+     */
+    const sharedTraversalContext = Object.freeze(
+        Object.assign(
+            Object.create(BASE_TRAVERSAL_CONTEXT),
+            {
+                getAncestors: () => getAncestors(currentNode),
+                getDeclaredVariables: sourceCode.scopeManager.getDeclaredVariables.bind(sourceCode.scopeManager),
+                getCwd: () => cwd,
+                getFilename: () => filename,
+                getScope: () => getScope(sourceCode.scopeManager, currentNode),
+                getSourceCode: () => sourceCode,
+                markVariableAsUsed: name => markVariableAsUsed(sourceCode.scopeManager, currentNode, parserOptions, name),
+                parserOptions,
+                parserPath: parserName,
+                parserServices: sourceCode.parserServices,
+                settings
+            }
+        )
+    );
+
+
+    const lintingProblems = [];
+
+    Object.keys(configuredRules).forEach(ruleId => {
+        const severity = ConfigOps.getRuleSeverity(configuredRules[ruleId]);
+
+        // not load disabled rules
+        if (severity === 0) {
+            return;
+        }
+
+        const rule = ruleMapper(ruleId);
+
+        if (rule === null) {
+            lintingProblems.push(createLintingProblem({ ruleId }));
+            return;
+        }
+
+        const messageIds = rule.meta && rule.meta.messages;
+        let reportTranslator = null;
+        const ruleContext = Object.freeze(
+            Object.assign(
+                Object.create(sharedTraversalContext),
+                {
+                    id: ruleId,
+                    options: getRuleOptions(configuredRules[ruleId]),
+                    report(...args) {
+
+                        /*
+                         * Create a report translator lazily.
+                         * In a vast majority of cases, any given rule reports zero errors on a given
+                         * piece of code. Creating a translator lazily avoids the performance cost of
+                         * creating a new translator function for each rule that usually doesn't get
+                         * called.
+                         *
+                         * Using lazy report translators improves end-to-end performance by about 3%
+                         * with Node 8.4.0.
+                         */
+                        if (reportTranslator === null) {
+                            reportTranslator = createReportTranslator({
+                                ruleId,
+                                severity,
+                                sourceCode,
+                                messageIds,
+                                disableFixes
+                            });
+                        }
+                        const problem = reportTranslator(...args);
+
+                        if (problem.fix && rule.meta && !rule.meta.fixable) {
+                            throw new Error("Fixable rules should export a `meta.fixable` property.");
+                        }
+                        lintingProblems.push(problem);
+                    }
+                }
+            )
+        );
+
+        const ruleListeners = createRuleListeners(rule, ruleContext);
+
+        // add all the selectors from the rule as listeners
+        Object.keys(ruleListeners).forEach(selector => {
+            emitter.on(
+                selector,
+                timing.enabled
+                    ? timing.time(ruleId, ruleListeners[selector])
+                    : ruleListeners[selector]
+            );
+        });
+    });
+
+    const eventGenerator = new CodePathAnalyzer(new NodeEventGenerator(emitter));
+
+    nodeQueue.forEach(traversalInfo => {
+        currentNode = traversalInfo.node;
+
+        try {
+            if (traversalInfo.isEntering) {
+                eventGenerator.enterNode(currentNode);
+            } else {
+                eventGenerator.leaveNode(currentNode);
+            }
+        } catch (err) {
+            err.currentNode = currentNode;
+            throw err;
+        }
+    });
+
+    return lintingProblems;
+}
+
+/**
+ * Ensure the source code to be a string.
+ * @param {string|SourceCode} textOrSourceCode The text or source code object.
+ * @returns {string} The source code text.
+ */
+function ensureText(textOrSourceCode) {
+    if (typeof textOrSourceCode === "object") {
+        const { hasBOM, text } = textOrSourceCode;
+        const bom = hasBOM ? "\uFEFF" : "";
+
+        return bom + text;
+    }
+
+    return String(textOrSourceCode);
+}
+
+/**
+ * Get an environment.
+ * @param {LinterInternalSlots} slots The internal slots of Linter.
+ * @param {string} envId The environment ID to get.
+ * @returns {Environment|null} The environment.
+ */
+function getEnv(slots, envId) {
+    return (
+        (slots.lastConfigArray && slots.lastConfigArray.pluginEnvironments.get(envId)) ||
+        BuiltInEnvironments.get(envId) ||
+        null
+    );
+}
+
+/**
+ * Get a rule.
+ * @param {LinterInternalSlots} slots The internal slots of Linter.
+ * @param {string} ruleId The rule ID to get.
+ * @returns {Rule|null} The rule.
+ */
+function getRule(slots, ruleId) {
+    return (
+        (slots.lastConfigArray && slots.lastConfigArray.pluginRules.get(ruleId)) ||
+        slots.ruleMap.get(ruleId)
+    );
+}
+
+/**
+ * Normalize the value of the cwd
+ * @param {string | undefined} cwd raw value of the cwd, path to a directory that should be considered as the current working directory, can be undefined.
+ * @returns {string | undefined} normalized cwd
+ */
+function normalizeCwd(cwd) {
+    if (cwd) {
+        return cwd;
+    }
+    if (typeof process === "object") {
+        return process.cwd();
+    }
+
+    // It's more explicit to assign the undefined
+    // eslint-disable-next-line no-undefined
+    return undefined;
+}
+
+/**
+ * The map to store private data.
+ * @type {WeakMap<Linter, LinterInternalSlots>}
+ */
+const internalSlotsMap = new WeakMap();
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Object that is responsible for verifying JavaScript text
+ * @name eslint
+ */
+class Linter {
+
+    /**
+     * Initialize the Linter.
+     * @param {Object} [config] the config object
+     * @param {string} [config.cwd]  path to a directory that should be considered as the current working directory, can be undefined.
+     */
+    constructor({ cwd } = {}) {
+        internalSlotsMap.set(this, {
+            cwd: normalizeCwd(cwd),
+            lastConfigArray: null,
+            lastSourceCode: null,
+            parserMap: new Map([["espree", espree]]),
+            ruleMap: new Rules()
+        });
+
+        this.version = pkg.version;
+    }
+
+    /**
+     * Getter for package version.
+     * @static
+     * @returns {string} The version from package.json.
+     */
+    static get version() {
+        return pkg.version;
+    }
+
+    /**
+     * Same as linter.verify, except without support for processors.
+     * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object.
+     * @param {ConfigData} providedConfig An ESLintConfig instance to configure everything.
+     * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked.
+     * @returns {LintMessage[]} The results as an array of messages or an empty array if no messages.
+     */
+    _verifyWithoutProcessors(textOrSourceCode, providedConfig, providedOptions) {
+        const slots = internalSlotsMap.get(this);
+        const config = providedConfig || {};
+        const options = normalizeVerifyOptions(providedOptions, config);
+        let text;
+
+        // evaluate arguments
+        if (typeof textOrSourceCode === "string") {
+            slots.lastSourceCode = null;
+            text = textOrSourceCode;
+        } else {
+            slots.lastSourceCode = textOrSourceCode;
+            text = textOrSourceCode.text;
+        }
+
+        // Resolve parser.
+        let parserName = DEFAULT_PARSER_NAME;
+        let parser = espree;
+
+        if (typeof config.parser === "object" && config.parser !== null) {
+            parserName = config.parser.filePath;
+            parser = config.parser.definition;
+        } else if (typeof config.parser === "string") {
+            if (!slots.parserMap.has(config.parser)) {
+                return [{
+                    ruleId: null,
+                    fatal: true,
+                    severity: 2,
+                    message: `Configured parser '${config.parser}' was not found.`,
+                    line: 0,
+                    column: 0
+                }];
+            }
+            parserName = config.parser;
+            parser = slots.parserMap.get(config.parser);
+        }
+
+        // search and apply "eslint-env *".
+        const envInFile = options.allowInlineConfig && !options.warnInlineConfig
+            ? findEslintEnv(text)
+            : {};
+        const resolvedEnvConfig = Object.assign({ builtin: true }, config.env, envInFile);
+        const enabledEnvs = Object.keys(resolvedEnvConfig)
+            .filter(envName => resolvedEnvConfig[envName])
+            .map(envName => getEnv(slots, envName))
+            .filter(env => env);
+
+        const parserOptions = resolveParserOptions(parserName, config.parserOptions || {}, enabledEnvs);
+        const configuredGlobals = resolveGlobals(config.globals || {}, enabledEnvs);
+        const settings = config.settings || {};
+
+        if (!slots.lastSourceCode) {
+            const parseResult = parse(
+                text,
+                parser,
+                parserOptions,
+                options.filename
+            );
+
+            if (!parseResult.success) {
+                return [parseResult.error];
+            }
+
+            slots.lastSourceCode = parseResult.sourceCode;
+        } else {
+
+            /*
+             * If the given source code object as the first argument does not have scopeManager, analyze the scope.
+             * This is for backward compatibility (SourceCode is frozen so it cannot rebind).
+             */
+            if (!slots.lastSourceCode.scopeManager) {
+                slots.lastSourceCode = new SourceCode({
+                    text: slots.lastSourceCode.text,
+                    ast: slots.lastSourceCode.ast,
+                    parserServices: slots.lastSourceCode.parserServices,
+                    visitorKeys: slots.lastSourceCode.visitorKeys,
+                    scopeManager: analyzeScope(slots.lastSourceCode.ast, parserOptions)
+                });
+            }
+        }
+
+        const sourceCode = slots.lastSourceCode;
+        const commentDirectives = options.allowInlineConfig
+            ? getDirectiveComments(options.filename, sourceCode.ast, ruleId => getRule(slots, ruleId), options.warnInlineConfig)
+            : { configuredRules: {}, enabledGlobals: {}, exportedVariables: {}, problems: [], disableDirectives: [] };
+
+        // augment global scope with declared global variables
+        addDeclaredGlobals(
+            sourceCode.scopeManager.scopes[0],
+            configuredGlobals,
+            { exportedVariables: commentDirectives.exportedVariables, enabledGlobals: commentDirectives.enabledGlobals }
+        );
+
+        const configuredRules = Object.assign({}, config.rules, commentDirectives.configuredRules);
+
+        let lintingProblems;
+
+        try {
+            lintingProblems = runRules(
+                sourceCode,
+                configuredRules,
+                ruleId => getRule(slots, ruleId),
+                parserOptions,
+                parserName,
+                settings,
+                options.filename,
+                options.disableFixes,
+                slots.cwd
+            );
+        } catch (err) {
+            err.message += `\nOccurred while linting ${options.filename}`;
+            debug("An error occurred while traversing");
+            debug("Filename:", options.filename);
+            if (err.currentNode) {
+                const { line } = err.currentNode.loc.start;
+
+                debug("Line:", line);
+                err.message += `:${line}`;
+            }
+            debug("Parser Options:", parserOptions);
+            debug("Parser Path:", parserName);
+            debug("Settings:", settings);
+            throw err;
+        }
+
+        return applyDisableDirectives({
+            directives: commentDirectives.disableDirectives,
+            problems: lintingProblems
+                .concat(commentDirectives.problems)
+                .sort((problemA, problemB) => problemA.line - problemB.line || problemA.column - problemB.column),
+            reportUnusedDisableDirectives: options.reportUnusedDisableDirectives
+        });
+    }
+
+    /**
+     * Verifies the text against the rules specified by the second argument.
+     * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object.
+     * @param {ConfigData|ConfigArray} config An ESLintConfig instance to configure everything.
+     * @param {(string|(VerifyOptions&ProcessorOptions))} [filenameOrOptions] The optional filename of the file being checked.
+     *      If this is not set, the filename will default to '<input>' in the rule context. If
+     *      an object, then it has "filename", "allowInlineConfig", and some properties.
+     * @returns {LintMessage[]} The results as an array of messages or an empty array if no messages.
+     */
+    verify(textOrSourceCode, config, filenameOrOptions) {
+        debug("Verify");
+        const options = typeof filenameOrOptions === "string"
+            ? { filename: filenameOrOptions }
+            : filenameOrOptions || {};
+
+        // CLIEngine passes a `ConfigArray` object.
+        if (config && typeof config.extractConfig === "function") {
+            return this._verifyWithConfigArray(textOrSourceCode, config, options);
+        }
+
+        /*
+         * `Linter` doesn't support `overrides` property in configuration.
+         * So we cannot apply multiple processors.
+         */
+        if (options.preprocess || options.postprocess) {
+            return this._verifyWithProcessor(textOrSourceCode, config, options);
+        }
+        return this._verifyWithoutProcessors(textOrSourceCode, config, options);
+    }
+
+    /**
+     * Verify a given code with `ConfigArray`.
+     * @param {string|SourceCode} textOrSourceCode The source code.
+     * @param {ConfigArray} configArray The config array.
+     * @param {VerifyOptions&ProcessorOptions} options The options.
+     * @returns {LintMessage[]} The found problems.
+     */
+    _verifyWithConfigArray(textOrSourceCode, configArray, options) {
+        debug("With ConfigArray: %s", options.filename);
+
+        // Store the config array in order to get plugin envs and rules later.
+        internalSlotsMap.get(this).lastConfigArray = configArray;
+
+        // Extract the final config for this file.
+        const config = configArray.extractConfig(options.filename);
+        const processor =
+            config.processor &&
+            configArray.pluginProcessors.get(config.processor);
+
+        // Verify.
+        if (processor) {
+            debug("Apply the processor: %o", config.processor);
+            const { preprocess, postprocess, supportsAutofix } = processor;
+            const disableFixes = options.disableFixes || !supportsAutofix;
+
+            return this._verifyWithProcessor(
+                textOrSourceCode,
+                config,
+                { ...options, disableFixes, postprocess, preprocess },
+                configArray
+            );
+        }
+        return this._verifyWithoutProcessors(textOrSourceCode, config, options);
+    }
+
+    /**
+     * Verify with a processor.
+     * @param {string|SourceCode} textOrSourceCode The source code.
+     * @param {ConfigData|ExtractedConfig} config The config array.
+     * @param {VerifyOptions&ProcessorOptions} options The options.
+     * @param {ConfigArray} [configForRecursive] The `ConfigArray` object to apply multiple processors recursively.
+     * @returns {LintMessage[]} The found problems.
+     */
+    _verifyWithProcessor(textOrSourceCode, config, options, configForRecursive) {
+        const filename = options.filename || "<input>";
+        const filenameToExpose = normalizeFilename(filename);
+        const text = ensureText(textOrSourceCode);
+        const preprocess = options.preprocess || (rawText => [rawText]);
+        const postprocess = options.postprocess || lodash.flatten;
+        const filterCodeBlock =
+            options.filterCodeBlock ||
+            (blockFilename => blockFilename.endsWith(".js"));
+        const originalExtname = path.extname(filename);
+        const messageLists = preprocess(text, filenameToExpose).map((block, i) => {
+            debug("A code block was found: %o", block.filename || "(unnamed)");
+
+            // Keep the legacy behavior.
+            if (typeof block === "string") {
+                return this._verifyWithoutProcessors(block, config, options);
+            }
+
+            const blockText = block.text;
+            const blockName = path.join(filename, `${i}_${block.filename}`);
+
+            // Skip this block if filtered.
+            if (!filterCodeBlock(blockName, blockText)) {
+                debug("This code block was skipped.");
+                return [];
+            }
+
+            // Resolve configuration again if the file extension was changed.
+            if (configForRecursive && path.extname(blockName) !== originalExtname) {
+                debug("Resolving configuration again because the file extension was changed.");
+                return this._verifyWithConfigArray(
+                    blockText,
+                    configForRecursive,
+                    { ...options, filename: blockName }
+                );
+            }
+
+            // Does lint.
+            return this._verifyWithoutProcessors(
+                blockText,
+                config,
+                { ...options, filename: blockName }
+            );
+        });
+
+        return postprocess(messageLists, filenameToExpose);
+    }
+
+    /**
+     * Gets the SourceCode object representing the parsed source.
+     * @returns {SourceCode} The SourceCode object.
+     */
+    getSourceCode() {
+        return internalSlotsMap.get(this).lastSourceCode;
+    }
+
+    /**
+     * Defines a new linting rule.
+     * @param {string} ruleId A unique rule identifier
+     * @param {Function | Rule} ruleModule Function from context to object mapping AST node types to event handlers
+     * @returns {void}
+     */
+    defineRule(ruleId, ruleModule) {
+        internalSlotsMap.get(this).ruleMap.define(ruleId, ruleModule);
+    }
+
+    /**
+     * Defines many new linting rules.
+     * @param {Record<string, Function | Rule>} rulesToDefine map from unique rule identifier to rule
+     * @returns {void}
+     */
+    defineRules(rulesToDefine) {
+        Object.getOwnPropertyNames(rulesToDefine).forEach(ruleId => {
+            this.defineRule(ruleId, rulesToDefine[ruleId]);
+        });
+    }
+
+    /**
+     * Gets an object with all loaded rules.
+     * @returns {Map<string, Rule>} All loaded rules
+     */
+    getRules() {
+        const { lastConfigArray, ruleMap } = internalSlotsMap.get(this);
+
+        return new Map(function *() {
+            yield* ruleMap;
+
+            if (lastConfigArray) {
+                yield* lastConfigArray.pluginRules;
+            }
+        }());
+    }
+
+    /**
+     * Define a new parser module
+     * @param {string} parserId Name of the parser
+     * @param {Parser} parserModule The parser object
+     * @returns {void}
+     */
+    defineParser(parserId, parserModule) {
+        internalSlotsMap.get(this).parserMap.set(parserId, parserModule);
+    }
+
+    /**
+     * Performs multiple autofix passes over the text until as many fixes as possible
+     * have been applied.
+     * @param {string} text The source text to apply fixes to.
+     * @param {ConfigData|ConfigArray} config The ESLint config object to use.
+     * @param {VerifyOptions&ProcessorOptions&FixOptions} options The ESLint options object to use.
+     * @returns {{fixed:boolean,messages:LintMessage[],output:string}} The result of the fix operation as returned from the
+     *      SourceCodeFixer.
+     */
+    verifyAndFix(text, config, options) {
+        let messages = [],
+            fixedResult,
+            fixed = false,
+            passNumber = 0,
+            currentText = text;
+        const debugTextDescription = options && options.filename || `${text.slice(0, 10)}...`;
+        const shouldFix = options && typeof options.fix !== "undefined" ? options.fix : true;
+
+        /**
+         * This loop continues until one of the following is true:
+         *
+         * 1. No more fixes have been applied.
+         * 2. Ten passes have been made.
+         *
+         * That means anytime a fix is successfully applied, there will be another pass.
+         * Essentially, guaranteeing a minimum of two passes.
+         */
+        do {
+            passNumber++;
+
+            debug(`Linting code for ${debugTextDescription} (pass ${passNumber})`);
+            messages = this.verify(currentText, config, options);
+
+            debug(`Generating fixed text for ${debugTextDescription} (pass ${passNumber})`);
+            fixedResult = SourceCodeFixer.applyFixes(currentText, messages, shouldFix);
+
+            /*
+             * stop if there are any syntax errors.
+             * 'fixedResult.output' is a empty string.
+             */
+            if (messages.length === 1 && messages[0].fatal) {
+                break;
+            }
+
+            // keep track if any fixes were ever applied - important for return value
+            fixed = fixed || fixedResult.fixed;
+
+            // update to use the fixed output instead of the original text
+            currentText = fixedResult.output;
+
+        } while (
+            fixedResult.fixed &&
+            passNumber < MAX_AUTOFIX_PASSES
+        );
+
+        /*
+         * If the last result had fixes, we need to lint again to be sure we have
+         * the most up-to-date information.
+         */
+        if (fixedResult.fixed) {
+            fixedResult.messages = this.verify(currentText, config, options);
+        }
+
+        // ensure the last result properly reflects if fixes were done
+        fixedResult.fixed = fixed;
+        fixedResult.output = currentText;
+
+        return fixedResult;
+    }
+}
+
+module.exports = {
+    Linter,
+
+    /**
+     * Get the internal slots of a given Linter instance for tests.
+     * @param {Linter} instance The Linter instance to get.
+     * @returns {LinterInternalSlots} The internal slots.
+     */
+    getLinterInternalSlots(instance) {
+        return internalSlotsMap.get(instance);
+    }
+};
diff --git a/eslint/lib/linter/node-event-generator.js b/eslint/lib/linter/node-event-generator.js
new file mode 100644
index 0000000..6f3b251
--- /dev/null
+++ b/eslint/lib/linter/node-event-generator.js
@@ -0,0 +1,311 @@
+/**
+ * @fileoverview The event generator for AST nodes.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const esquery = require("esquery");
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An object describing an AST selector
+ * @typedef {Object} ASTSelector
+ * @property {string} rawSelector The string that was parsed into this selector
+ * @property {boolean} isExit `true` if this should be emitted when exiting the node rather than when entering
+ * @property {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+ * @property {string[]|null} listenerTypes A list of node types that could possibly cause the selector to match,
+ * or `null` if all node types could cause a match
+ * @property {number} attributeCount The total number of classes, pseudo-classes, and attribute queries in this selector
+ * @property {number} identifierCount The total number of identifier queries in this selector
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the possible types of a selector
+ * @param {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+ * @returns {string[]|null} The node types that could possibly trigger this selector, or `null` if all node types could trigger it
+ */
+function getPossibleTypes(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "identifier":
+            return [parsedSelector.value];
+
+        case "matches": {
+            const typesForComponents = parsedSelector.selectors.map(getPossibleTypes);
+
+            if (typesForComponents.every(Boolean)) {
+                return lodash.union(...typesForComponents);
+            }
+            return null;
+        }
+
+        case "compound": {
+            const typesForComponents = parsedSelector.selectors.map(getPossibleTypes).filter(typesForComponent => typesForComponent);
+
+            // If all of the components could match any type, then the compound could also match any type.
+            if (!typesForComponents.length) {
+                return null;
+            }
+
+            /*
+             * If at least one of the components could only match a particular type, the compound could only match
+             * the intersection of those types.
+             */
+            return lodash.intersection(...typesForComponents);
+        }
+
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return getPossibleTypes(parsedSelector.right);
+
+        default:
+            return null;
+
+    }
+}
+
+/**
+ * Counts the number of class, pseudo-class, and attribute queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of class, pseudo-class, and attribute queries in this selector
+ */
+function countClassAttributes(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return countClassAttributes(parsedSelector.left) + countClassAttributes(parsedSelector.right);
+
+        case "compound":
+        case "not":
+        case "matches":
+            return parsedSelector.selectors.reduce((sum, childSelector) => sum + countClassAttributes(childSelector), 0);
+
+        case "attribute":
+        case "field":
+        case "nth-child":
+        case "nth-last-child":
+            return 1;
+
+        default:
+            return 0;
+    }
+}
+
+/**
+ * Counts the number of identifier queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of identifier queries
+ */
+function countIdentifiers(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return countIdentifiers(parsedSelector.left) + countIdentifiers(parsedSelector.right);
+
+        case "compound":
+        case "not":
+        case "matches":
+            return parsedSelector.selectors.reduce((sum, childSelector) => sum + countIdentifiers(childSelector), 0);
+
+        case "identifier":
+            return 1;
+
+        default:
+            return 0;
+    }
+}
+
+/**
+ * Compares the specificity of two selector objects, with CSS-like rules.
+ * @param {ASTSelector} selectorA An AST selector descriptor
+ * @param {ASTSelector} selectorB Another AST selector descriptor
+ * @returns {number}
+ * a value less than 0 if selectorA is less specific than selectorB
+ * a value greater than 0 if selectorA is more specific than selectorB
+ * a value less than 0 if selectorA and selectorB have the same specificity, and selectorA <= selectorB alphabetically
+ * a value greater than 0 if selectorA and selectorB have the same specificity, and selectorA > selectorB alphabetically
+ */
+function compareSpecificity(selectorA, selectorB) {
+    return selectorA.attributeCount - selectorB.attributeCount ||
+        selectorA.identifierCount - selectorB.identifierCount ||
+        (selectorA.rawSelector <= selectorB.rawSelector ? -1 : 1);
+}
+
+/**
+ * Parses a raw selector string, and throws a useful error if parsing fails.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {Object} An object (from esquery) describing the matching behavior of this selector
+ * @throws {Error} An error if the selector is invalid
+ */
+function tryParseSelector(rawSelector) {
+    try {
+        return esquery.parse(rawSelector.replace(/:exit$/u, ""));
+    } catch (err) {
+        if (err.location && err.location.start && typeof err.location.start.offset === "number") {
+            throw new SyntaxError(`Syntax error in selector "${rawSelector}" at position ${err.location.start.offset}: ${err.message}`);
+        }
+        throw err;
+    }
+}
+
+/**
+ * Parses a raw selector string, and returns the parsed selector along with specificity and type information.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {ASTSelector} A selector descriptor
+ */
+const parseSelector = lodash.memoize(rawSelector => {
+    const parsedSelector = tryParseSelector(rawSelector);
+
+    return {
+        rawSelector,
+        isExit: rawSelector.endsWith(":exit"),
+        parsedSelector,
+        listenerTypes: getPossibleTypes(parsedSelector),
+        attributeCount: countClassAttributes(parsedSelector),
+        identifierCount: countIdentifiers(parsedSelector)
+    };
+});
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The event generator for AST nodes.
+ * This implements below interface.
+ *
+ * ```ts
+ * interface EventGenerator {
+ *     emitter: SafeEmitter;
+ *     enterNode(node: ASTNode): void;
+ *     leaveNode(node: ASTNode): void;
+ * }
+ * ```
+ */
+class NodeEventGenerator {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {SafeEmitter} emitter
+     * An SafeEmitter which is the destination of events. This emitter must already
+     * have registered listeners for all of the events that it needs to listen for.
+     * (See lib/linter/safe-emitter.js for more details on `SafeEmitter`.)
+     * @returns {NodeEventGenerator} new instance
+     */
+    constructor(emitter) {
+        this.emitter = emitter;
+        this.currentAncestry = [];
+        this.enterSelectorsByNodeType = new Map();
+        this.exitSelectorsByNodeType = new Map();
+        this.anyTypeEnterSelectors = [];
+        this.anyTypeExitSelectors = [];
+
+        emitter.eventNames().forEach(rawSelector => {
+            const selector = parseSelector(rawSelector);
+
+            if (selector.listenerTypes) {
+                const typeMap = selector.isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType;
+
+                selector.listenerTypes.forEach(nodeType => {
+                    if (!typeMap.has(nodeType)) {
+                        typeMap.set(nodeType, []);
+                    }
+                    typeMap.get(nodeType).push(selector);
+                });
+                return;
+            }
+            const selectors = selector.isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+
+            selectors.push(selector);
+        });
+
+        this.anyTypeEnterSelectors.sort(compareSpecificity);
+        this.anyTypeExitSelectors.sort(compareSpecificity);
+        this.enterSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+        this.exitSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+    }
+
+    /**
+     * Checks a selector against a node, and emits it if it matches
+     * @param {ASTNode} node The node to check
+     * @param {ASTSelector} selector An AST selector descriptor
+     * @returns {void}
+     */
+    applySelector(node, selector) {
+        if (esquery.matches(node, selector.parsedSelector, this.currentAncestry)) {
+            this.emitter.emit(selector.rawSelector, node);
+        }
+    }
+
+    /**
+     * Applies all appropriate selectors to a node, in specificity order
+     * @param {ASTNode} node The node to check
+     * @param {boolean} isExit `false` if the node is currently being entered, `true` if it's currently being exited
+     * @returns {void}
+     */
+    applySelectors(node, isExit) {
+        const selectorsByNodeType = (isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType).get(node.type) || [];
+        const anyTypeSelectors = isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+
+        /*
+         * selectorsByNodeType and anyTypeSelectors were already sorted by specificity in the constructor.
+         * Iterate through each of them, applying selectors in the right order.
+         */
+        let selectorsByTypeIndex = 0;
+        let anyTypeSelectorsIndex = 0;
+
+        while (selectorsByTypeIndex < selectorsByNodeType.length || anyTypeSelectorsIndex < anyTypeSelectors.length) {
+            if (
+                selectorsByTypeIndex >= selectorsByNodeType.length ||
+                anyTypeSelectorsIndex < anyTypeSelectors.length &&
+                compareSpecificity(anyTypeSelectors[anyTypeSelectorsIndex], selectorsByNodeType[selectorsByTypeIndex]) < 0
+            ) {
+                this.applySelector(node, anyTypeSelectors[anyTypeSelectorsIndex++]);
+            } else {
+                this.applySelector(node, selectorsByNodeType[selectorsByTypeIndex++]);
+            }
+        }
+    }
+
+    /**
+     * Emits an event of entering AST node.
+     * @param {ASTNode} node A node which was entered.
+     * @returns {void}
+     */
+    enterNode(node) {
+        if (node.parent) {
+            this.currentAncestry.unshift(node.parent);
+        }
+        this.applySelectors(node, false);
+    }
+
+    /**
+     * Emits an event of leaving AST node.
+     * @param {ASTNode} node A node which was left.
+     * @returns {void}
+     */
+    leaveNode(node) {
+        this.applySelectors(node, true);
+        this.currentAncestry.shift();
+    }
+}
+
+module.exports = NodeEventGenerator;
diff --git a/eslint/lib/linter/report-translator.js b/eslint/lib/linter/report-translator.js
new file mode 100644
index 0000000..eef5165
--- /dev/null
+++ b/eslint/lib/linter/report-translator.js
@@ -0,0 +1,347 @@
+/**
+ * @fileoverview A helper that translates context.report() calls from the rule API into generic problem objects
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert");
+const ruleFixer = require("./rule-fixer");
+const interpolate = require("./interpolate");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An error message description
+ * @typedef {Object} MessageDescriptor
+ * @property {ASTNode} [node] The reported node
+ * @property {Location} loc The location of the problem.
+ * @property {string} message The problem message.
+ * @property {Object} [data] Optional data to use to fill in placeholders in the
+ *      message.
+ * @property {Function} [fix] The function to call that creates a fix command.
+ * @property {Array<{desc?: string, messageId?: string, fix: Function}>} suggest Suggestion descriptions and functions to create a the associated fixes.
+ */
+
+/**
+ * Information about the report
+ * @typedef {Object} ReportInfo
+ * @property {string} ruleId
+ * @property {(0|1|2)} severity
+ * @property {(string|undefined)} message
+ * @property {(string|undefined)} [messageId]
+ * @property {number} line
+ * @property {number} column
+ * @property {(number|undefined)} [endLine]
+ * @property {(number|undefined)} [endColumn]
+ * @property {(string|null)} nodeType
+ * @property {string} source
+ * @property {({text: string, range: (number[]|null)}|null)} [fix]
+ * @property {Array<{text: string, range: (number[]|null)}|null>} [suggestions]
+ */
+
+//------------------------------------------------------------------------------
+// Module Definition
+//------------------------------------------------------------------------------
+
+
+/**
+ * Translates a multi-argument context.report() call into a single object argument call
+ * @param {...*} args A list of arguments passed to `context.report`
+ * @returns {MessageDescriptor} A normalized object containing report information
+ */
+function normalizeMultiArgReportCall(...args) {
+
+    // If there is one argument, it is considered to be a new-style call already.
+    if (args.length === 1) {
+
+        // Shallow clone the object to avoid surprises if reusing the descriptor
+        return Object.assign({}, args[0]);
+    }
+
+    // If the second argument is a string, the arguments are interpreted as [node, message, data, fix].
+    if (typeof args[1] === "string") {
+        return {
+            node: args[0],
+            message: args[1],
+            data: args[2],
+            fix: args[3]
+        };
+    }
+
+    // Otherwise, the arguments are interpreted as [node, loc, message, data, fix].
+    return {
+        node: args[0],
+        loc: args[1],
+        message: args[2],
+        data: args[3],
+        fix: args[4]
+    };
+}
+
+/**
+ * Asserts that either a loc or a node was provided, and the node is valid if it was provided.
+ * @param {MessageDescriptor} descriptor A descriptor to validate
+ * @returns {void}
+ * @throws AssertionError if neither a node nor a loc was provided, or if the node is not an object
+ */
+function assertValidNodeInfo(descriptor) {
+    if (descriptor.node) {
+        assert(typeof descriptor.node === "object", "Node must be an object");
+    } else {
+        assert(descriptor.loc, "Node must be provided when reporting error if location is not provided");
+    }
+}
+
+/**
+ * Normalizes a MessageDescriptor to always have a `loc` with `start` and `end` properties
+ * @param {MessageDescriptor} descriptor A descriptor for the report from a rule.
+ * @returns {{start: Location, end: (Location|null)}} An updated location that infers the `start` and `end` properties
+ * from the `node` of the original descriptor, or infers the `start` from the `loc` of the original descriptor.
+ */
+function normalizeReportLoc(descriptor) {
+    if (descriptor.loc) {
+        if (descriptor.loc.start) {
+            return descriptor.loc;
+        }
+        return { start: descriptor.loc, end: null };
+    }
+    return descriptor.node.loc;
+}
+
+/**
+ * Compares items in a fixes array by range.
+ * @param {Fix} a The first message.
+ * @param {Fix} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+function compareFixesByRange(a, b) {
+    return a.range[0] - b.range[0] || a.range[1] - b.range[1];
+}
+
+/**
+ * Merges the given fixes array into one.
+ * @param {Fix[]} fixes The fixes to merge.
+ * @param {SourceCode} sourceCode The source code object to get the text between fixes.
+ * @returns {{text: string, range: number[]}} The merged fixes
+ */
+function mergeFixes(fixes, sourceCode) {
+    if (fixes.length === 0) {
+        return null;
+    }
+    if (fixes.length === 1) {
+        return fixes[0];
+    }
+
+    fixes.sort(compareFixesByRange);
+
+    const originalText = sourceCode.text;
+    const start = fixes[0].range[0];
+    const end = fixes[fixes.length - 1].range[1];
+    let text = "";
+    let lastPos = Number.MIN_SAFE_INTEGER;
+
+    for (const fix of fixes) {
+        assert(fix.range[0] >= lastPos, "Fix objects must not be overlapped in a report.");
+
+        if (fix.range[0] >= 0) {
+            text += originalText.slice(Math.max(0, start, lastPos), fix.range[0]);
+        }
+        text += fix.text;
+        lastPos = fix.range[1];
+    }
+    text += originalText.slice(Math.max(0, start, lastPos), end);
+
+    return { range: [start, end], text };
+}
+
+/**
+ * Gets one fix object from the given descriptor.
+ * If the descriptor retrieves multiple fixes, this merges those to one.
+ * @param {MessageDescriptor} descriptor The report descriptor.
+ * @param {SourceCode} sourceCode The source code object to get text between fixes.
+ * @returns {({text: string, range: number[]}|null)} The fix for the descriptor
+ */
+function normalizeFixes(descriptor, sourceCode) {
+    if (typeof descriptor.fix !== "function") {
+        return null;
+    }
+
+    // @type {null | Fix | Fix[] | IterableIterator<Fix>}
+    const fix = descriptor.fix(ruleFixer);
+
+    // Merge to one.
+    if (fix && Symbol.iterator in fix) {
+        return mergeFixes(Array.from(fix), sourceCode);
+    }
+    return fix;
+}
+
+/**
+ * Gets an array of suggestion objects from the given descriptor.
+ * @param {MessageDescriptor} descriptor The report descriptor.
+ * @param {SourceCode} sourceCode The source code object to get text between fixes.
+ * @param {Object} messages Object of meta messages for the rule.
+ * @returns {Array<SuggestionResult>} The suggestions for the descriptor
+ */
+function mapSuggestions(descriptor, sourceCode, messages) {
+    if (!descriptor.suggest || !Array.isArray(descriptor.suggest)) {
+        return [];
+    }
+
+    return descriptor.suggest.map(suggestInfo => {
+        const computedDesc = suggestInfo.desc || messages[suggestInfo.messageId];
+
+        return {
+            ...suggestInfo,
+            desc: interpolate(computedDesc, suggestInfo.data),
+            fix: normalizeFixes(suggestInfo, sourceCode)
+        };
+    });
+}
+
+/**
+ * Creates information about the report from a descriptor
+ * @param {Object} options Information about the problem
+ * @param {string} options.ruleId Rule ID
+ * @param {(0|1|2)} options.severity Rule severity
+ * @param {(ASTNode|null)} options.node Node
+ * @param {string} options.message Error message
+ * @param {string} [options.messageId] The error message ID.
+ * @param {{start: SourceLocation, end: (SourceLocation|null)}} options.loc Start and end location
+ * @param {{text: string, range: (number[]|null)}} options.fix The fix object
+ * @param {Array<{text: string, range: (number[]|null)}>} options.suggestions The array of suggestions objects
+ * @returns {function(...args): ReportInfo} Function that returns information about the report
+ */
+function createProblem(options) {
+    const problem = {
+        ruleId: options.ruleId,
+        severity: options.severity,
+        message: options.message,
+        line: options.loc.start.line,
+        column: options.loc.start.column + 1,
+        nodeType: options.node && options.node.type || null
+    };
+
+    /*
+     * If this isn’t in the conditional, some of the tests fail
+     * because `messageId` is present in the problem object
+     */
+    if (options.messageId) {
+        problem.messageId = options.messageId;
+    }
+
+    if (options.loc.end) {
+        problem.endLine = options.loc.end.line;
+        problem.endColumn = options.loc.end.column + 1;
+    }
+
+    if (options.fix) {
+        problem.fix = options.fix;
+    }
+
+    if (options.suggestions && options.suggestions.length > 0) {
+        problem.suggestions = options.suggestions;
+    }
+
+    return problem;
+}
+
+/**
+ * Validates that suggestions are properly defined. Throws if an error is detected.
+ * @param {Array<{ desc?: string, messageId?: string }>} suggest The incoming suggest data.
+ * @param {Object} messages Object of meta messages for the rule.
+ * @returns {void}
+ */
+function validateSuggestions(suggest, messages) {
+    if (suggest && Array.isArray(suggest)) {
+        suggest.forEach(suggestion => {
+            if (suggestion.messageId) {
+                const { messageId } = suggestion;
+
+                if (!messages) {
+                    throw new TypeError(`context.report() called with a suggest option with a messageId '${messageId}', but no messages were present in the rule metadata.`);
+                }
+
+                if (!messages[messageId]) {
+                    throw new TypeError(`context.report() called with a suggest option with a messageId '${messageId}' which is not present in the 'messages' config: ${JSON.stringify(messages, null, 2)}`);
+                }
+
+                if (suggestion.desc) {
+                    throw new TypeError("context.report() called with a suggest option that defines both a 'messageId' and an 'desc'. Please only pass one.");
+                }
+            } else if (!suggestion.desc) {
+                throw new TypeError("context.report() called with a suggest option that doesn't have either a `desc` or `messageId`");
+            }
+
+            if (typeof suggestion.fix !== "function") {
+                throw new TypeError(`context.report() called with a suggest option without a fix function. See: ${suggestion}`);
+            }
+        });
+    }
+}
+
+/**
+ * Returns a function that converts the arguments of a `context.report` call from a rule into a reported
+ * problem for the Node.js API.
+ * @param {{ruleId: string, severity: number, sourceCode: SourceCode, messageIds: Object, disableFixes: boolean}} metadata Metadata for the reported problem
+ * @param {SourceCode} sourceCode The `SourceCode` instance for the text being linted
+ * @returns {function(...args): ReportInfo} Function that returns information about the report
+ */
+
+module.exports = function createReportTranslator(metadata) {
+
+    /*
+     * `createReportTranslator` gets called once per enabled rule per file. It needs to be very performant.
+     * The report translator itself (i.e. the function that `createReportTranslator` returns) gets
+     * called every time a rule reports a problem, which happens much less frequently (usually, the vast
+     * majority of rules don't report any problems for a given file).
+     */
+    return (...args) => {
+        const descriptor = normalizeMultiArgReportCall(...args);
+        const messages = metadata.messageIds;
+
+        assertValidNodeInfo(descriptor);
+
+        let computedMessage;
+
+        if (descriptor.messageId) {
+            if (!messages) {
+                throw new TypeError("context.report() called with a messageId, but no messages were present in the rule metadata.");
+            }
+            const id = descriptor.messageId;
+
+            if (descriptor.message) {
+                throw new TypeError("context.report() called with a message and a messageId. Please only pass one.");
+            }
+            if (!messages || !Object.prototype.hasOwnProperty.call(messages, id)) {
+                throw new TypeError(`context.report() called with a messageId of '${id}' which is not present in the 'messages' config: ${JSON.stringify(messages, null, 2)}`);
+            }
+            computedMessage = messages[id];
+        } else if (descriptor.message) {
+            computedMessage = descriptor.message;
+        } else {
+            throw new TypeError("Missing `message` property in report() call; add a message that describes the linting problem.");
+        }
+
+        validateSuggestions(descriptor.suggest, messages);
+
+        return createProblem({
+            ruleId: metadata.ruleId,
+            severity: metadata.severity,
+            node: descriptor.node,
+            message: interpolate(computedMessage, descriptor.data),
+            messageId: descriptor.messageId,
+            loc: normalizeReportLoc(descriptor),
+            fix: metadata.disableFixes ? null : normalizeFixes(descriptor, metadata.sourceCode),
+            suggestions: metadata.disableFixes ? [] : mapSuggestions(descriptor, metadata.sourceCode, messages)
+        });
+    };
+};
diff --git a/eslint/lib/linter/rule-fixer.js b/eslint/lib/linter/rule-fixer.js
new file mode 100644
index 0000000..bdd80d1
--- /dev/null
+++ b/eslint/lib/linter/rule-fixer.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview An object that creates fix commands for rules.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// none!
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Creates a fix command that inserts text at the specified index in the source text.
+ * @param {int} index The 0-based index at which to insert the new text.
+ * @param {string} text The text to insert.
+ * @returns {Object} The fix command.
+ * @private
+ */
+function insertTextAt(index, text) {
+    return {
+        range: [index, index],
+        text
+    };
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Creates code fixing commands for rules.
+ */
+
+const ruleFixer = Object.freeze({
+
+    /**
+     * Creates a fix command that inserts text after the given node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to insert after.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextAfter(nodeOrToken, text) {
+        return this.insertTextAfterRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that inserts text after the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextAfterRange(range, text) {
+        return insertTextAt(range[1], text);
+    },
+
+    /**
+     * Creates a fix command that inserts text before the given node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to insert before.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextBefore(nodeOrToken, text) {
+        return this.insertTextBeforeRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that inserts text before the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextBeforeRange(range, text) {
+        return insertTextAt(range[0], text);
+    },
+
+    /**
+     * Creates a fix command that replaces text at the node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    replaceText(nodeOrToken, text) {
+        return this.replaceTextRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that replaces text at the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    replaceTextRange(range, text) {
+        return {
+            range,
+            text
+        };
+    },
+
+    /**
+     * Creates a fix command that removes the node or token from the source.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @returns {Object} The fix command.
+     */
+    remove(nodeOrToken) {
+        return this.removeRange(nodeOrToken.range);
+    },
+
+    /**
+     * Creates a fix command that removes the specified range of text from the source.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to remove, first item is start of range, second
+     *      is end of range.
+     * @returns {Object} The fix command.
+     */
+    removeRange(range) {
+        return {
+            range,
+            text: ""
+        };
+    }
+
+});
+
+
+module.exports = ruleFixer;
diff --git a/eslint/lib/linter/rules.js b/eslint/lib/linter/rules.js
new file mode 100644
index 0000000..a153266
--- /dev/null
+++ b/eslint/lib/linter/rules.js
@@ -0,0 +1,77 @@
+/**
+ * @fileoverview Defines a storage for rules.
+ * @author Nicholas C. Zakas
+ * @author aladdin-add
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const builtInRules = require("../rules");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Normalizes a rule module to the new-style API
+ * @param {(Function|{create: Function})} rule A rule object, which can either be a function
+ * ("old-style") or an object with a `create` method ("new-style")
+ * @returns {{create: Function}} A new-style rule.
+ */
+function normalizeRule(rule) {
+    return typeof rule === "function" ? Object.assign({ create: rule }, rule) : rule;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+class Rules {
+    constructor() {
+        this._rules = Object.create(null);
+    }
+
+    /**
+     * Registers a rule module for rule id in storage.
+     * @param {string} ruleId Rule id (file name).
+     * @param {Function} ruleModule Rule handler.
+     * @returns {void}
+     */
+    define(ruleId, ruleModule) {
+        this._rules[ruleId] = normalizeRule(ruleModule);
+    }
+
+    /**
+     * Access rule handler by id (file name).
+     * @param {string} ruleId Rule id (file name).
+     * @returns {{create: Function, schema: JsonSchema[]}}
+     * A rule. This is normalized to always have the new-style shape with a `create` method.
+     */
+    get(ruleId) {
+        if (typeof this._rules[ruleId] === "string") {
+            this.define(ruleId, require(this._rules[ruleId]));
+        }
+        if (this._rules[ruleId]) {
+            return this._rules[ruleId];
+        }
+        if (builtInRules.has(ruleId)) {
+            return builtInRules.get(ruleId);
+        }
+
+        return null;
+    }
+
+    *[Symbol.iterator]() {
+        yield* builtInRules;
+
+        for (const ruleId of Object.keys(this._rules)) {
+            yield [ruleId, this.get(ruleId)];
+        }
+    }
+}
+
+module.exports = Rules;
diff --git a/eslint/lib/linter/safe-emitter.js b/eslint/lib/linter/safe-emitter.js
new file mode 100644
index 0000000..ab21223
--- /dev/null
+++ b/eslint/lib/linter/safe-emitter.js
@@ -0,0 +1,52 @@
+/**
+ * @fileoverview A variant of EventEmitter which does not give listeners information about each other
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An event emitter
+ * @typedef {Object} SafeEmitter
+ * @property {function(eventName: string, listenerFunc: Function): void} on Adds a listener for a given event name
+ * @property {function(eventName: string, arg1?: any, arg2?: any, arg3?: any)} emit Emits an event with a given name.
+ * This calls all the listeners that were listening for that name, with `arg1`, `arg2`, and `arg3` as arguments.
+ * @property {function(): string[]} eventNames Gets the list of event names that have registered listeners.
+ */
+
+/**
+ * Creates an object which can listen for and emit events.
+ * This is similar to the EventEmitter API in Node's standard library, but it has a few differences.
+ * The goal is to allow multiple modules to attach arbitrary listeners to the same emitter, without
+ * letting the modules know about each other at all.
+ * 1. It has no special keys like `error` and `newListener`, which would allow modules to detect when
+ * another module throws an error or registers a listener.
+ * 2. It calls listener functions without any `this` value. (`EventEmitter` calls listeners with a
+ * `this` value of the emitter instance, which would give listeners access to other listeners.)
+ * @returns {SafeEmitter} An emitter
+ */
+module.exports = () => {
+    const listeners = Object.create(null);
+
+    return Object.freeze({
+        on(eventName, listener) {
+            if (eventName in listeners) {
+                listeners[eventName].push(listener);
+            } else {
+                listeners[eventName] = [listener];
+            }
+        },
+        emit(eventName, ...args) {
+            if (eventName in listeners) {
+                listeners[eventName].forEach(listener => listener(...args));
+            }
+        },
+        eventNames() {
+            return Object.keys(listeners);
+        }
+    });
+};
diff --git a/eslint/lib/linter/source-code-fixer.js b/eslint/lib/linter/source-code-fixer.js
new file mode 100644
index 0000000..53dc1dc
--- /dev/null
+++ b/eslint/lib/linter/source-code-fixer.js
@@ -0,0 +1,152 @@
+/**
+ * @fileoverview An object that caches and applies source code fixes.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = require("debug")("eslint:source-code-fixer");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const BOM = "\uFEFF";
+
+/**
+ * Compares items in a messages array by range.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+function compareMessagesByFixRange(a, b) {
+    return a.fix.range[0] - b.fix.range[0] || a.fix.range[1] - b.fix.range[1];
+}
+
+/**
+ * Compares items in a messages array by line and column.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+function compareMessagesByLocation(a, b) {
+    return a.line - b.line || a.column - b.column;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Utility for apply fixes to source code.
+ * @constructor
+ */
+function SourceCodeFixer() {
+    Object.freeze(this);
+}
+
+/**
+ * Applies the fixes specified by the messages to the given text. Tries to be
+ * smart about the fixes and won't apply fixes over the same area in the text.
+ * @param {string} sourceText The text to apply the changes to.
+ * @param {Message[]} messages The array of messages reported by ESLint.
+ * @param {boolean|Function} [shouldFix=true] Determines whether each message should be fixed
+ * @returns {Object} An object containing the fixed text and any unfixed messages.
+ */
+SourceCodeFixer.applyFixes = function(sourceText, messages, shouldFix) {
+    debug("Applying fixes");
+
+    if (shouldFix === false) {
+        debug("shouldFix parameter was false, not attempting fixes");
+        return {
+            fixed: false,
+            messages,
+            output: sourceText
+        };
+    }
+
+    // clone the array
+    const remainingMessages = [],
+        fixes = [],
+        bom = sourceText.startsWith(BOM) ? BOM : "",
+        text = bom ? sourceText.slice(1) : sourceText;
+    let lastPos = Number.NEGATIVE_INFINITY,
+        output = bom;
+
+    /**
+     * Try to use the 'fix' from a problem.
+     * @param   {Message} problem The message object to apply fixes from
+     * @returns {boolean}         Whether fix was successfully applied
+     */
+    function attemptFix(problem) {
+        const fix = problem.fix;
+        const start = fix.range[0];
+        const end = fix.range[1];
+
+        // Remain it as a problem if it's overlapped or it's a negative range
+        if (lastPos >= start || start > end) {
+            remainingMessages.push(problem);
+            return false;
+        }
+
+        // Remove BOM.
+        if ((start < 0 && end >= 0) || (start === 0 && fix.text.startsWith(BOM))) {
+            output = "";
+        }
+
+        // Make output to this fix.
+        output += text.slice(Math.max(0, lastPos), Math.max(0, start));
+        output += fix.text;
+        lastPos = end;
+        return true;
+    }
+
+    messages.forEach(problem => {
+        if (Object.prototype.hasOwnProperty.call(problem, "fix")) {
+            fixes.push(problem);
+        } else {
+            remainingMessages.push(problem);
+        }
+    });
+
+    if (fixes.length) {
+        debug("Found fixes to apply");
+        let fixesWereApplied = false;
+
+        for (const problem of fixes.sort(compareMessagesByFixRange)) {
+            if (typeof shouldFix !== "function" || shouldFix(problem)) {
+                attemptFix(problem);
+
+                /*
+                 * The only time attemptFix will fail is if a previous fix was
+                 * applied which conflicts with it.  So we can mark this as true.
+                 */
+                fixesWereApplied = true;
+            } else {
+                remainingMessages.push(problem);
+            }
+        }
+        output += text.slice(Math.max(0, lastPos));
+
+        return {
+            fixed: fixesWereApplied,
+            messages: remainingMessages.sort(compareMessagesByLocation),
+            output
+        };
+    }
+
+    debug("No fixes to apply");
+    return {
+        fixed: false,
+        messages,
+        output: bom + text
+    };
+
+};
+
+module.exports = SourceCodeFixer;
diff --git a/eslint/lib/linter/timing.js b/eslint/lib/linter/timing.js
new file mode 100644
index 0000000..8396d92
--- /dev/null
+++ b/eslint/lib/linter/timing.js
@@ -0,0 +1,139 @@
+/**
+ * @fileoverview Tracks performance of individual rules.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/* istanbul ignore next */
+/**
+ * Align the string to left
+ * @param {string} str string to evaluate
+ * @param {int} len length of the string
+ * @param {string} ch delimiter character
+ * @returns {string} modified string
+ * @private
+ */
+function alignLeft(str, len, ch) {
+    return str + new Array(len - str.length + 1).join(ch || " ");
+}
+
+/* istanbul ignore next */
+/**
+ * Align the string to right
+ * @param {string} str string to evaluate
+ * @param {int} len length of the string
+ * @param {string} ch delimiter character
+ * @returns {string} modified string
+ * @private
+ */
+function alignRight(str, len, ch) {
+    return new Array(len - str.length + 1).join(ch || " ") + str;
+}
+
+//------------------------------------------------------------------------------
+// Module definition
+//------------------------------------------------------------------------------
+
+const enabled = !!process.env.TIMING;
+
+const HEADERS = ["Rule", "Time (ms)", "Relative"];
+const ALIGN = [alignLeft, alignRight, alignRight];
+
+/* istanbul ignore next */
+/**
+ * display the data
+ * @param {Object} data Data object to be displayed
+ * @returns {void} prints modified string with console.log
+ * @private
+ */
+function display(data) {
+    let total = 0;
+    const rows = Object.keys(data)
+        .map(key => {
+            const time = data[key];
+
+            total += time;
+            return [key, time];
+        })
+        .sort((a, b) => b[1] - a[1])
+        .slice(0, 10);
+
+    rows.forEach(row => {
+        row.push(`${(row[1] * 100 / total).toFixed(1)}%`);
+        row[1] = row[1].toFixed(3);
+    });
+
+    rows.unshift(HEADERS);
+
+    const widths = [];
+
+    rows.forEach(row => {
+        const len = row.length;
+
+        for (let i = 0; i < len; i++) {
+            const n = row[i].length;
+
+            if (!widths[i] || n > widths[i]) {
+                widths[i] = n;
+            }
+        }
+    });
+
+    const table = rows.map(row => (
+        row
+            .map((cell, index) => ALIGN[index](cell, widths[index]))
+            .join(" | ")
+    ));
+
+    table.splice(1, 0, widths.map((width, index) => {
+        const extraAlignment = index !== 0 && index !== widths.length - 1 ? 2 : 1;
+
+        return ALIGN[index](":", width + extraAlignment, "-");
+    }).join("|"));
+
+    console.log(table.join("\n")); // eslint-disable-line no-console
+}
+
+/* istanbul ignore next */
+module.exports = (function() {
+
+    const data = Object.create(null);
+
+    /**
+     * Time the run
+     * @param {*} key key from the data object
+     * @param {Function} fn function to be called
+     * @returns {Function} function to be executed
+     * @private
+     */
+    function time(key, fn) {
+        if (typeof data[key] === "undefined") {
+            data[key] = 0;
+        }
+
+        return function(...args) {
+            let t = process.hrtime();
+
+            fn(...args);
+            t = process.hrtime(t);
+            data[key] += t[0] * 1e3 + t[1] / 1e6;
+        };
+    }
+
+    if (enabled) {
+        process.on("exit", () => {
+            display(data);
+        });
+    }
+
+    return {
+        time,
+        enabled
+    };
+
+}());
diff --git a/eslint/lib/options.js b/eslint/lib/options.js
new file mode 100644
index 0000000..98dc04b
--- /dev/null
+++ b/eslint/lib/options.js
@@ -0,0 +1,263 @@
+/**
+ * @fileoverview Options configuration for optionator.
+ * @author George Zahariev
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const optionator = require("optionator");
+
+//------------------------------------------------------------------------------
+// Initialization and Public Interface
+//------------------------------------------------------------------------------
+
+// exports "parse(args)", "generateHelp()", and "generateHelpForOption(optionName)"
+module.exports = optionator({
+    prepend: "eslint [options] file.js [file.js] [dir]",
+    defaults: {
+        concatRepeatedArrays: true,
+        mergeRepeatedObjects: true
+    },
+    options: [
+        {
+            heading: "Basic configuration"
+        },
+        {
+            option: "eslintrc",
+            type: "Boolean",
+            default: "true",
+            description: "Disable use of configuration from .eslintrc.*"
+        },
+        {
+            option: "config",
+            alias: "c",
+            type: "path::String",
+            description: "Use this configuration, overriding .eslintrc.* config options if present"
+        },
+        {
+            option: "env",
+            type: "[String]",
+            description: "Specify environments"
+        },
+        {
+            option: "ext",
+            type: "[String]",
+            default: ".js",
+            description: "Specify JavaScript file extensions"
+        },
+        {
+            option: "global",
+            type: "[String]",
+            description: "Define global variables"
+        },
+        {
+            option: "parser",
+            type: "String",
+            description: "Specify the parser to be used"
+        },
+        {
+            option: "parser-options",
+            type: "Object",
+            description: "Specify parser options"
+        },
+        {
+            option: "resolve-plugins-relative-to",
+            type: "path::String",
+            description: "A folder where plugins should be resolved from, CWD by default"
+        },
+        {
+            heading: "Specifying rules and plugins"
+        },
+        {
+            option: "rulesdir",
+            type: "[path::String]",
+            description: "Use additional rules from this directory"
+        },
+        {
+            option: "plugin",
+            type: "[String]",
+            description: "Specify plugins"
+        },
+        {
+            option: "rule",
+            type: "Object",
+            description: "Specify rules"
+        },
+        {
+            heading: "Fixing problems"
+        },
+        {
+            option: "fix",
+            type: "Boolean",
+            default: false,
+            description: "Automatically fix problems"
+        },
+        {
+            option: "fix-dry-run",
+            type: "Boolean",
+            default: false,
+            description: "Automatically fix problems without saving the changes to the file system"
+        },
+        {
+            option: "fix-type",
+            type: "Array",
+            description: "Specify the types of fixes to apply (problem, suggestion, layout)"
+        },
+        {
+            heading: "Ignoring files"
+        },
+        {
+            option: "ignore-path",
+            type: "path::String",
+            description: "Specify path of ignore file"
+        },
+        {
+            option: "ignore",
+            type: "Boolean",
+            default: "true",
+            description: "Disable use of ignore files and patterns"
+        },
+        {
+            option: "ignore-pattern",
+            type: "[String]",
+            description: "Pattern of files to ignore (in addition to those in .eslintignore)",
+            concatRepeatedArrays: [true, {
+                oneValuePerFlag: true
+            }]
+        },
+        {
+            heading: "Using stdin"
+        },
+        {
+            option: "stdin",
+            type: "Boolean",
+            default: "false",
+            description: "Lint code provided on <STDIN>"
+        },
+        {
+            option: "stdin-filename",
+            type: "String",
+            description: "Specify filename to process STDIN as"
+        },
+        {
+            heading: "Handling warnings"
+        },
+        {
+            option: "quiet",
+            type: "Boolean",
+            default: "false",
+            description: "Report errors only"
+        },
+        {
+            option: "max-warnings",
+            type: "Int",
+            default: "-1",
+            description: "Number of warnings to trigger nonzero exit code"
+        },
+        {
+            heading: "Output"
+        },
+        {
+            option: "output-file",
+            alias: "o",
+            type: "path::String",
+            description: "Specify file to write report to"
+        },
+        {
+            option: "format",
+            alias: "f",
+            type: "String",
+            default: "stylish",
+            description: "Use a specific output format"
+        },
+        {
+            option: "color",
+            type: "Boolean",
+            alias: "no-color",
+            description: "Force enabling/disabling of color"
+        },
+        {
+            heading: "Inline configuration comments"
+        },
+        {
+            option: "inline-config",
+            type: "Boolean",
+            default: "true",
+            description: "Prevent comments from changing config or rules"
+        },
+        {
+            option: "report-unused-disable-directives",
+            type: "Boolean",
+            default: void 0,
+            description: "Adds reported errors for unused eslint-disable directives"
+        },
+        {
+            heading: "Caching"
+        },
+        {
+            option: "cache",
+            type: "Boolean",
+            default: "false",
+            description: "Only check changed files"
+        },
+        {
+            option: "cache-file",
+            type: "path::String",
+            default: ".eslintcache",
+            description: "Path to the cache file. Deprecated: use --cache-location"
+        },
+        {
+            option: "cache-location",
+            type: "path::String",
+            description: "Path to the cache file or directory"
+        },
+        {
+            heading: "Miscellaneous"
+        },
+        {
+            option: "init",
+            type: "Boolean",
+            default: "false",
+            description: "Run config initialization wizard"
+        },
+        {
+            option: "env-info",
+            type: "Boolean",
+            default: "false",
+            description: "Output execution environment information"
+        },
+        {
+            option: "error-on-unmatched-pattern",
+            type: "Boolean",
+            default: "true",
+            description: "Prevent errors when pattern is unmatched"
+        },
+        {
+            option: "debug",
+            type: "Boolean",
+            default: false,
+            description: "Output debugging information"
+        },
+        {
+            option: "help",
+            alias: "h",
+            type: "Boolean",
+            description: "Show help"
+        },
+        {
+            option: "version",
+            alias: "v",
+            type: "Boolean",
+            description: "Output the version number"
+        },
+        {
+            option: "print-config",
+            type: "path::String",
+            description: "Print the configuration for the given file"
+        }
+    ]
+});
diff --git a/eslint/lib/rule-tester/index.js b/eslint/lib/rule-tester/index.js
new file mode 100644
index 0000000..f52d140
--- /dev/null
+++ b/eslint/lib/rule-tester/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = {
+    RuleTester: require("./rule-tester")
+};
diff --git a/eslint/lib/rule-tester/rule-tester.js b/eslint/lib/rule-tester/rule-tester.js
new file mode 100644
index 0000000..1c17371
--- /dev/null
+++ b/eslint/lib/rule-tester/rule-tester.js
@@ -0,0 +1,879 @@
+/**
+ * @fileoverview Mocha test wrapper
+ * @author Ilya Volodin
+ */
+"use strict";
+
+/* global describe, it */
+
+/*
+ * This is a wrapper around mocha to allow for DRY unittests for eslint
+ * Format:
+ * RuleTester.run("{ruleName}", {
+ *      valid: [
+ *          "{code}",
+ *          { code: "{code}", options: {options}, globals: {globals}, parser: "{parser}", settings: {settings} }
+ *      ],
+ *      invalid: [
+ *          { code: "{code}", errors: {numErrors} },
+ *          { code: "{code}", errors: ["{errorMessage}"] },
+ *          { code: "{code}", options: {options}, globals: {globals}, parser: "{parser}", settings: {settings}, errors: [{ message: "{errorMessage}", type: "{errorNodeType}"}] }
+ *      ]
+ *  });
+ *
+ * Variables:
+ * {code} - String that represents the code to be tested
+ * {options} - Arguments that are passed to the configurable rules.
+ * {globals} - An object representing a list of variables that are
+ *             registered as globals
+ * {parser} - String representing the parser to use
+ * {settings} - An object representing global settings for all rules
+ * {numErrors} - If failing case doesn't need to check error message,
+ *               this integer will specify how many errors should be
+ *               received
+ * {errorMessage} - Message that is returned by the rule on failure
+ * {errorNodeType} - AST node type that is returned by they rule as
+ *                   a cause of the failure.
+ */
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    assert = require("assert"),
+    path = require("path"),
+    util = require("util"),
+    lodash = require("lodash"),
+    Traverser = require("../../lib/shared/traverser"),
+    { getRuleOptionsSchema, validate } = require("../shared/config-validator"),
+    { Linter, SourceCodeFixer, interpolate } = require("../linter");
+
+const ajv = require("../shared/ajv")({ strictDefaults: true });
+
+const espreePath = require.resolve("espree");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/** @typedef {import("../shared/types").Parser} Parser */
+
+/**
+ * A test case that is expected to pass lint.
+ * @typedef {Object} ValidTestCase
+ * @property {string} code Code for the test case.
+ * @property {any[]} [options] Options for the test case.
+ * @property {{ [name: string]: any }} [settings] Settings for the test case.
+ * @property {string} [filename] The fake filename for the test case. Useful for rules that make assertion about filenames.
+ * @property {string} [parser] The absolute path for the parser.
+ * @property {{ [name: string]: any }} [parserOptions] Options for the parser.
+ * @property {{ [name: string]: "readonly" | "writable" | "off" }} [globals] The additional global variables.
+ * @property {{ [name: string]: boolean }} [env] Environments for the test case.
+ */
+
+/**
+ * A test case that is expected to fail lint.
+ * @typedef {Object} InvalidTestCase
+ * @property {string} code Code for the test case.
+ * @property {number | Array<TestCaseError | string | RegExp>} errors Expected errors.
+ * @property {string | null} [output] The expected code after autofixes are applied. If set to `null`, the test runner will assert that no autofix is suggested.
+ * @property {any[]} [options] Options for the test case.
+ * @property {{ [name: string]: any }} [settings] Settings for the test case.
+ * @property {string} [filename] The fake filename for the test case. Useful for rules that make assertion about filenames.
+ * @property {string} [parser] The absolute path for the parser.
+ * @property {{ [name: string]: any }} [parserOptions] Options for the parser.
+ * @property {{ [name: string]: "readonly" | "writable" | "off" }} [globals] The additional global variables.
+ * @property {{ [name: string]: boolean }} [env] Environments for the test case.
+ */
+
+/**
+ * A description of a reported error used in a rule tester test.
+ * @typedef {Object} TestCaseError
+ * @property {string | RegExp} [message] Message.
+ * @property {string} [messageId] Message ID.
+ * @property {string} [type] The type of the reported AST node.
+ * @property {{ [name: string]: string }} [data] The data used to fill the message template.
+ * @property {number} [line] The 1-based line number of the reported start location.
+ * @property {number} [column] The 1-based column number of the reported start location.
+ * @property {number} [endLine] The 1-based line number of the reported end location.
+ * @property {number} [endColumn] The 1-based column number of the reported end location.
+ */
+
+//------------------------------------------------------------------------------
+// Private Members
+//------------------------------------------------------------------------------
+
+/*
+ * testerDefaultConfig must not be modified as it allows to reset the tester to
+ * the initial default configuration
+ */
+const testerDefaultConfig = { rules: {} };
+let defaultConfig = { rules: {} };
+
+/*
+ * List every parameters possible on a test case that are not related to eslint
+ * configuration
+ */
+const RuleTesterParameters = [
+    "code",
+    "filename",
+    "options",
+    "errors",
+    "output"
+];
+
+/*
+ * All allowed property names in error objects.
+ */
+const errorObjectParameters = new Set([
+    "message",
+    "messageId",
+    "data",
+    "type",
+    "line",
+    "column",
+    "endLine",
+    "endColumn",
+    "suggestions"
+]);
+const friendlyErrorObjectParameterList = `[${[...errorObjectParameters].map(key => `'${key}'`).join(", ")}]`;
+
+/*
+ * All allowed property names in suggestion objects.
+ */
+const suggestionObjectParameters = new Set([
+    "desc",
+    "messageId",
+    "data",
+    "output"
+]);
+const friendlySuggestionObjectParameterList = `[${[...suggestionObjectParameters].map(key => `'${key}'`).join(", ")}]`;
+
+const hasOwnProperty = Function.call.bind(Object.hasOwnProperty);
+
+/**
+ * Clones a given value deeply.
+ * Note: This ignores `parent` property.
+ * @param {any} x A value to clone.
+ * @returns {any} A cloned value.
+ */
+function cloneDeeplyExcludesParent(x) {
+    if (typeof x === "object" && x !== null) {
+        if (Array.isArray(x)) {
+            return x.map(cloneDeeplyExcludesParent);
+        }
+
+        const retv = {};
+
+        for (const key in x) {
+            if (key !== "parent" && hasOwnProperty(x, key)) {
+                retv[key] = cloneDeeplyExcludesParent(x[key]);
+            }
+        }
+
+        return retv;
+    }
+
+    return x;
+}
+
+/**
+ * Freezes a given value deeply.
+ * @param {any} x A value to freeze.
+ * @returns {void}
+ */
+function freezeDeeply(x) {
+    if (typeof x === "object" && x !== null) {
+        if (Array.isArray(x)) {
+            x.forEach(freezeDeeply);
+        } else {
+            for (const key in x) {
+                if (key !== "parent" && hasOwnProperty(x, key)) {
+                    freezeDeeply(x[key]);
+                }
+            }
+        }
+        Object.freeze(x);
+    }
+}
+
+/**
+ * Replace control characters by `\u00xx` form.
+ * @param {string} text The text to sanitize.
+ * @returns {string} The sanitized text.
+ */
+function sanitize(text) {
+    return text.replace(
+        /[\u0000-\u0009\u000b-\u001a]/gu, // eslint-disable-line no-control-regex
+        c => `\\u${c.codePointAt(0).toString(16).padStart(4, "0")}`
+    );
+}
+
+/**
+ * Define `start`/`end` properties as throwing error.
+ * @param {string} objName Object name used for error messages.
+ * @param {ASTNode} node The node to define.
+ * @returns {void}
+ */
+function defineStartEndAsError(objName, node) {
+    Object.defineProperties(node, {
+        start: {
+            get() {
+                throw new Error(`Use ${objName}.range[0] instead of ${objName}.start`);
+            },
+            configurable: true,
+            enumerable: false
+        },
+        end: {
+            get() {
+                throw new Error(`Use ${objName}.range[1] instead of ${objName}.end`);
+            },
+            configurable: true,
+            enumerable: false
+        }
+    });
+}
+
+/**
+ * Define `start`/`end` properties of all nodes of the given AST as throwing error.
+ * @param {ASTNode} ast The root node to errorize `start`/`end` properties.
+ * @param {Object} [visitorKeys] Visitor keys to be used for traversing the given ast.
+ * @returns {void}
+ */
+function defineStartEndAsErrorInTree(ast, visitorKeys) {
+    Traverser.traverse(ast, { visitorKeys, enter: defineStartEndAsError.bind(null, "node") });
+    ast.tokens.forEach(defineStartEndAsError.bind(null, "token"));
+    ast.comments.forEach(defineStartEndAsError.bind(null, "token"));
+}
+
+/**
+ * Wraps the given parser in order to intercept and modify return values from the `parse` and `parseForESLint` methods, for test purposes.
+ * In particular, to modify ast nodes, tokens and comments to throw on access to their `start` and `end` properties.
+ * @param {Parser} parser Parser object.
+ * @returns {Parser} Wrapped parser object.
+ */
+function wrapParser(parser) {
+    if (typeof parser.parseForESLint === "function") {
+        return {
+            parseForESLint(...args) {
+                const ret = parser.parseForESLint(...args);
+
+                defineStartEndAsErrorInTree(ret.ast, ret.visitorKeys);
+                return ret;
+            }
+        };
+    }
+    return {
+        parse(...args) {
+            const ast = parser.parse(...args);
+
+            defineStartEndAsErrorInTree(ast);
+            return ast;
+        }
+    };
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+// default separators for testing
+const DESCRIBE = Symbol("describe");
+const IT = Symbol("it");
+
+/**
+ * This is `it` default handler if `it` don't exist.
+ * @this {Mocha}
+ * @param {string} text The description of the test case.
+ * @param {Function} method The logic of the test case.
+ * @returns {any} Returned value of `method`.
+ */
+function itDefaultHandler(text, method) {
+    try {
+        return method.call(this);
+    } catch (err) {
+        if (err instanceof assert.AssertionError) {
+            err.message += ` (${util.inspect(err.actual)} ${err.operator} ${util.inspect(err.expected)})`;
+        }
+        throw err;
+    }
+}
+
+/**
+ * This is `describe` default handler if `describe` don't exist.
+ * @this {Mocha}
+ * @param {string} text The description of the test case.
+ * @param {Function} method The logic of the test case.
+ * @returns {any} Returned value of `method`.
+ */
+function describeDefaultHandler(text, method) {
+    return method.call(this);
+}
+
+class RuleTester {
+
+    /**
+     * Creates a new instance of RuleTester.
+     * @param {Object} [testerConfig] Optional, extra configuration for the tester
+     */
+    constructor(testerConfig) {
+
+        /**
+         * The configuration to use for this tester. Combination of the tester
+         * configuration and the default configuration.
+         * @type {Object}
+         */
+        this.testerConfig = lodash.merge(
+
+            // we have to clone because merge uses the first argument for recipient
+            lodash.cloneDeep(defaultConfig),
+            testerConfig,
+            { rules: { "rule-tester/validate-ast": "error" } }
+        );
+
+        /**
+         * Rule definitions to define before tests.
+         * @type {Object}
+         */
+        this.rules = {};
+        this.linter = new Linter();
+    }
+
+    /**
+     * Set the configuration to use for all future tests
+     * @param {Object} config the configuration to use.
+     * @returns {void}
+     */
+    static setDefaultConfig(config) {
+        if (typeof config !== "object") {
+            throw new TypeError("RuleTester.setDefaultConfig: config must be an object");
+        }
+        defaultConfig = config;
+
+        // Make sure the rules object exists since it is assumed to exist later
+        defaultConfig.rules = defaultConfig.rules || {};
+    }
+
+    /**
+     * Get the current configuration used for all tests
+     * @returns {Object} the current configuration
+     */
+    static getDefaultConfig() {
+        return defaultConfig;
+    }
+
+    /**
+     * Reset the configuration to the initial configuration of the tester removing
+     * any changes made until now.
+     * @returns {void}
+     */
+    static resetDefaultConfig() {
+        defaultConfig = lodash.cloneDeep(testerDefaultConfig);
+    }
+
+
+    /*
+     * If people use `mocha test.js --watch` command, `describe` and `it` function
+     * instances are different for each execution. So `describe` and `it` should get fresh instance
+     * always.
+     */
+    static get describe() {
+        return (
+            this[DESCRIBE] ||
+            (typeof describe === "function" ? describe : describeDefaultHandler)
+        );
+    }
+
+    static set describe(value) {
+        this[DESCRIBE] = value;
+    }
+
+    static get it() {
+        return (
+            this[IT] ||
+            (typeof it === "function" ? it : itDefaultHandler)
+        );
+    }
+
+    static set it(value) {
+        this[IT] = value;
+    }
+
+    /**
+     * Define a rule for one particular run of tests.
+     * @param {string} name The name of the rule to define.
+     * @param {Function} rule The rule definition.
+     * @returns {void}
+     */
+    defineRule(name, rule) {
+        this.rules[name] = rule;
+    }
+
+    /**
+     * Adds a new rule test to execute.
+     * @param {string} ruleName The name of the rule to run.
+     * @param {Function} rule The rule to test.
+     * @param {{
+     *   valid: (ValidTestCase | string)[],
+     *   invalid: InvalidTestCase[]
+     * }} test The collection of tests to run.
+     * @returns {void}
+     */
+    run(ruleName, rule, test) {
+
+        const testerConfig = this.testerConfig,
+            requiredScenarios = ["valid", "invalid"],
+            scenarioErrors = [],
+            linter = this.linter;
+
+        if (lodash.isNil(test) || typeof test !== "object") {
+            throw new TypeError(`Test Scenarios for rule ${ruleName} : Could not find test scenario object`);
+        }
+
+        requiredScenarios.forEach(scenarioType => {
+            if (lodash.isNil(test[scenarioType])) {
+                scenarioErrors.push(`Could not find any ${scenarioType} test scenarios`);
+            }
+        });
+
+        if (scenarioErrors.length > 0) {
+            throw new Error([
+                `Test Scenarios for rule ${ruleName} is invalid:`
+            ].concat(scenarioErrors).join("\n"));
+        }
+
+
+        linter.defineRule(ruleName, Object.assign({}, rule, {
+
+            // Create a wrapper rule that freezes the `context` properties.
+            create(context) {
+                freezeDeeply(context.options);
+                freezeDeeply(context.settings);
+                freezeDeeply(context.parserOptions);
+
+                return (typeof rule === "function" ? rule : rule.create)(context);
+            }
+        }));
+
+        linter.defineRules(this.rules);
+
+        /**
+         * Run the rule for the given item
+         * @param {string|Object} item Item to run the rule against
+         * @returns {Object} Eslint run result
+         * @private
+         */
+        function runRuleForItem(item) {
+            let config = lodash.cloneDeep(testerConfig),
+                code, filename, output, beforeAST, afterAST;
+
+            if (typeof item === "string") {
+                code = item;
+            } else {
+                code = item.code;
+
+                /*
+                 * Assumes everything on the item is a config except for the
+                 * parameters used by this tester
+                 */
+                const itemConfig = lodash.omit(item, RuleTesterParameters);
+
+                /*
+                 * Create the config object from the tester config and this item
+                 * specific configurations.
+                 */
+                config = lodash.merge(
+                    config,
+                    itemConfig
+                );
+            }
+
+            if (item.filename) {
+                filename = item.filename;
+            }
+
+            if (hasOwnProperty(item, "options")) {
+                assert(Array.isArray(item.options), "options must be an array");
+                config.rules[ruleName] = [1].concat(item.options);
+            } else {
+                config.rules[ruleName] = 1;
+            }
+
+            const schema = getRuleOptionsSchema(rule);
+
+            /*
+             * Setup AST getters.
+             * The goal is to check whether or not AST was modified when
+             * running the rule under test.
+             */
+            linter.defineRule("rule-tester/validate-ast", () => ({
+                Program(node) {
+                    beforeAST = cloneDeeplyExcludesParent(node);
+                },
+                "Program:exit"(node) {
+                    afterAST = node;
+                }
+            }));
+
+            if (typeof config.parser === "string") {
+                assert(path.isAbsolute(config.parser), "Parsers provided as strings to RuleTester must be absolute paths");
+            } else {
+                config.parser = espreePath;
+            }
+
+            linter.defineParser(config.parser, wrapParser(require(config.parser)));
+
+            if (schema) {
+                ajv.validateSchema(schema);
+
+                if (ajv.errors) {
+                    const errors = ajv.errors.map(error => {
+                        const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
+
+                        return `\t${field}: ${error.message}`;
+                    }).join("\n");
+
+                    throw new Error([`Schema for rule ${ruleName} is invalid:`, errors]);
+                }
+
+                /*
+                 * `ajv.validateSchema` checks for errors in the structure of the schema (by comparing the schema against a "meta-schema"),
+                 * and it reports those errors individually. However, there are other types of schema errors that only occur when compiling
+                 * the schema (e.g. using invalid defaults in a schema), and only one of these errors can be reported at a time. As a result,
+                 * the schema is compiled here separately from checking for `validateSchema` errors.
+                 */
+                try {
+                    ajv.compile(schema);
+                } catch (err) {
+                    throw new Error(`Schema for rule ${ruleName} is invalid: ${err.message}`);
+                }
+            }
+
+            validate(config, "rule-tester", id => (id === ruleName ? rule : null));
+
+            // Verify the code.
+            const messages = linter.verify(code, config, filename);
+            const fatalErrorMessage = messages.find(m => m.fatal);
+
+            assert(!fatalErrorMessage, `A fatal parsing error occurred: ${fatalErrorMessage && fatalErrorMessage.message}`);
+
+            // Verify if autofix makes a syntax error or not.
+            if (messages.some(m => m.fix)) {
+                output = SourceCodeFixer.applyFixes(code, messages).output;
+                const errorMessageInFix = linter.verify(output, config, filename).find(m => m.fatal);
+
+                assert(!errorMessageInFix, `A fatal parsing error occurred in autofix: ${errorMessageInFix && errorMessageInFix.message}`);
+            } else {
+                output = code;
+            }
+
+            return {
+                messages,
+                output,
+                beforeAST,
+                afterAST: cloneDeeplyExcludesParent(afterAST)
+            };
+        }
+
+        /**
+         * Check if the AST was changed
+         * @param {ASTNode} beforeAST AST node before running
+         * @param {ASTNode} afterAST AST node after running
+         * @returns {void}
+         * @private
+         */
+        function assertASTDidntChange(beforeAST, afterAST) {
+            if (!lodash.isEqual(beforeAST, afterAST)) {
+                assert.fail("Rule should not modify AST.");
+            }
+        }
+
+        /**
+         * Check if the template is valid or not
+         * all valid cases go through this
+         * @param {string|Object} item Item to run the rule against
+         * @returns {void}
+         * @private
+         */
+        function testValidTemplate(item) {
+            const result = runRuleForItem(item);
+            const messages = result.messages;
+
+            assert.strictEqual(messages.length, 0, util.format("Should have no errors but had %d: %s",
+                messages.length, util.inspect(messages)));
+
+            assertASTDidntChange(result.beforeAST, result.afterAST);
+        }
+
+        /**
+         * Asserts that the message matches its expected value. If the expected
+         * value is a regular expression, it is checked against the actual
+         * value.
+         * @param {string} actual Actual value
+         * @param {string|RegExp} expected Expected value
+         * @returns {void}
+         * @private
+         */
+        function assertMessageMatches(actual, expected) {
+            if (expected instanceof RegExp) {
+
+                // assert.js doesn't have a built-in RegExp match function
+                assert.ok(
+                    expected.test(actual),
+                    `Expected '${actual}' to match ${expected}`
+                );
+            } else {
+                assert.strictEqual(actual, expected);
+            }
+        }
+
+        /**
+         * Check if the template is invalid or not
+         * all invalid cases go through this.
+         * @param {string|Object} item Item to run the rule against
+         * @returns {void}
+         * @private
+         */
+        function testInvalidTemplate(item) {
+            assert.ok(item.errors || item.errors === 0,
+                `Did not specify errors for an invalid test of ${ruleName}`);
+
+            const ruleHasMetaMessages = hasOwnProperty(rule, "meta") && hasOwnProperty(rule.meta, "messages");
+            const friendlyIDList = ruleHasMetaMessages ? `[${Object.keys(rule.meta.messages).map(key => `'${key}'`).join(", ")}]` : null;
+
+            const result = runRuleForItem(item);
+            const messages = result.messages;
+
+            if (typeof item.errors === "number") {
+                assert.strictEqual(messages.length, item.errors, util.format("Should have %d error%s but had %d: %s",
+                    item.errors, item.errors === 1 ? "" : "s", messages.length, util.inspect(messages)));
+            } else {
+                assert.strictEqual(
+                    messages.length, item.errors.length,
+                    util.format(
+                        "Should have %d error%s but had %d: %s",
+                        item.errors.length, item.errors.length === 1 ? "" : "s", messages.length, util.inspect(messages)
+                    )
+                );
+
+                const hasMessageOfThisRule = messages.some(m => m.ruleId === ruleName);
+
+                for (let i = 0, l = item.errors.length; i < l; i++) {
+                    const error = item.errors[i];
+                    const message = messages[i];
+
+                    assert(hasMessageOfThisRule, "Error rule name should be the same as the name of the rule being tested");
+
+                    if (typeof error === "string" || error instanceof RegExp) {
+
+                        // Just an error message.
+                        assertMessageMatches(message.message, error);
+                    } else if (typeof error === "object" && error !== null) {
+
+                        /*
+                         * Error object.
+                         * This may have a message, messageId, data, node type, line, and/or
+                         * column.
+                         */
+
+                        Object.keys(error).forEach(propertyName => {
+                            assert.ok(
+                                errorObjectParameters.has(propertyName),
+                                `Invalid error property name '${propertyName}'. Expected one of ${friendlyErrorObjectParameterList}.`
+                            );
+                        });
+
+                        if (hasOwnProperty(error, "message")) {
+                            assert.ok(!hasOwnProperty(error, "messageId"), "Error should not specify both 'message' and a 'messageId'.");
+                            assert.ok(!hasOwnProperty(error, "data"), "Error should not specify both 'data' and 'message'.");
+                            assertMessageMatches(message.message, error.message);
+                        } else if (hasOwnProperty(error, "messageId")) {
+                            assert.ok(
+                                ruleHasMetaMessages,
+                                "Error can not use 'messageId' if rule under test doesn't define 'meta.messages'."
+                            );
+                            if (!hasOwnProperty(rule.meta.messages, error.messageId)) {
+                                assert(false, `Invalid messageId '${error.messageId}'. Expected one of ${friendlyIDList}.`);
+                            }
+                            assert.strictEqual(
+                                message.messageId,
+                                error.messageId,
+                                `messageId '${message.messageId}' does not match expected messageId '${error.messageId}'.`
+                            );
+                            if (hasOwnProperty(error, "data")) {
+
+                                /*
+                                 *  if data was provided, then directly compare the returned message to a synthetic
+                                 *  interpolated message using the same message ID and data provided in the test.
+                                 *  See https://github.com/eslint/eslint/issues/9890 for context.
+                                 */
+                                const unformattedOriginalMessage = rule.meta.messages[error.messageId];
+                                const rehydratedMessage = interpolate(unformattedOriginalMessage, error.data);
+
+                                assert.strictEqual(
+                                    message.message,
+                                    rehydratedMessage,
+                                    `Hydrated message "${rehydratedMessage}" does not match "${message.message}"`
+                                );
+                            }
+                        }
+
+                        assert.ok(
+                            hasOwnProperty(error, "data") ? hasOwnProperty(error, "messageId") : true,
+                            "Error must specify 'messageId' if 'data' is used."
+                        );
+
+                        if (error.type) {
+                            assert.strictEqual(message.nodeType, error.type, `Error type should be ${error.type}, found ${message.nodeType}`);
+                        }
+
+                        if (hasOwnProperty(error, "line")) {
+                            assert.strictEqual(message.line, error.line, `Error line should be ${error.line}`);
+                        }
+
+                        if (hasOwnProperty(error, "column")) {
+                            assert.strictEqual(message.column, error.column, `Error column should be ${error.column}`);
+                        }
+
+                        if (hasOwnProperty(error, "endLine")) {
+                            assert.strictEqual(message.endLine, error.endLine, `Error endLine should be ${error.endLine}`);
+                        }
+
+                        if (hasOwnProperty(error, "endColumn")) {
+                            assert.strictEqual(message.endColumn, error.endColumn, `Error endColumn should be ${error.endColumn}`);
+                        }
+
+                        if (hasOwnProperty(error, "suggestions")) {
+
+                            // Support asserting there are no suggestions
+                            if (!error.suggestions || (Array.isArray(error.suggestions) && error.suggestions.length === 0)) {
+                                if (Array.isArray(message.suggestions) && message.suggestions.length > 0) {
+                                    assert.fail(`Error should have no suggestions on error with message: "${message.message}"`);
+                                }
+                            } else {
+                                assert.strictEqual(Array.isArray(message.suggestions), true, `Error should have an array of suggestions. Instead received "${message.suggestions}" on error with message: "${message.message}"`);
+                                assert.strictEqual(message.suggestions.length, error.suggestions.length, `Error should have ${error.suggestions.length} suggestions. Instead found ${message.suggestions.length} suggestions`);
+
+                                error.suggestions.forEach((expectedSuggestion, index) => {
+                                    assert.ok(
+                                        typeof expectedSuggestion === "object" && expectedSuggestion !== null,
+                                        "Test suggestion in 'suggestions' array must be an object."
+                                    );
+                                    Object.keys(expectedSuggestion).forEach(propertyName => {
+                                        assert.ok(
+                                            suggestionObjectParameters.has(propertyName),
+                                            `Invalid suggestion property name '${propertyName}'. Expected one of ${friendlySuggestionObjectParameterList}.`
+                                        );
+                                    });
+
+                                    const actualSuggestion = message.suggestions[index];
+                                    const suggestionPrefix = `Error Suggestion at index ${index} :`;
+
+                                    if (hasOwnProperty(expectedSuggestion, "desc")) {
+                                        assert.ok(
+                                            !hasOwnProperty(expectedSuggestion, "data"),
+                                            `${suggestionPrefix} Test should not specify both 'desc' and 'data'.`
+                                        );
+                                        assert.strictEqual(
+                                            actualSuggestion.desc,
+                                            expectedSuggestion.desc,
+                                            `${suggestionPrefix} desc should be "${expectedSuggestion.desc}" but got "${actualSuggestion.desc}" instead.`
+                                        );
+                                    }
+
+                                    if (hasOwnProperty(expectedSuggestion, "messageId")) {
+                                        assert.ok(
+                                            ruleHasMetaMessages,
+                                            `${suggestionPrefix} Test can not use 'messageId' if rule under test doesn't define 'meta.messages'.`
+                                        );
+                                        assert.ok(
+                                            hasOwnProperty(rule.meta.messages, expectedSuggestion.messageId),
+                                            `${suggestionPrefix} Test has invalid messageId '${expectedSuggestion.messageId}', the rule under test allows only one of ${friendlyIDList}.`
+                                        );
+                                        assert.strictEqual(
+                                            actualSuggestion.messageId,
+                                            expectedSuggestion.messageId,
+                                            `${suggestionPrefix} messageId should be '${expectedSuggestion.messageId}' but got '${actualSuggestion.messageId}' instead.`
+                                        );
+                                        if (hasOwnProperty(expectedSuggestion, "data")) {
+                                            const unformattedMetaMessage = rule.meta.messages[expectedSuggestion.messageId];
+                                            const rehydratedDesc = interpolate(unformattedMetaMessage, expectedSuggestion.data);
+
+                                            assert.strictEqual(
+                                                actualSuggestion.desc,
+                                                rehydratedDesc,
+                                                `${suggestionPrefix} Hydrated test desc "${rehydratedDesc}" does not match received desc "${actualSuggestion.desc}".`
+                                            );
+                                        }
+                                    } else {
+                                        assert.ok(
+                                            !hasOwnProperty(expectedSuggestion, "data"),
+                                            `${suggestionPrefix} Test must specify 'messageId' if 'data' is used.`
+                                        );
+                                    }
+
+                                    if (hasOwnProperty(expectedSuggestion, "output")) {
+                                        const codeWithAppliedSuggestion = SourceCodeFixer.applyFixes(item.code, [actualSuggestion]).output;
+
+                                        assert.strictEqual(codeWithAppliedSuggestion, expectedSuggestion.output, `Expected the applied suggestion fix to match the test suggestion output for suggestion at index: ${index} on error with message: "${message.message}"`);
+                                    }
+                                });
+                            }
+                        }
+                    } else {
+
+                        // Message was an unexpected type
+                        assert.fail(`Error should be a string, object, or RegExp, but found (${util.inspect(message)})`);
+                    }
+                }
+            }
+
+            if (hasOwnProperty(item, "output")) {
+                if (item.output === null) {
+                    assert.strictEqual(
+                        result.output,
+                        item.code,
+                        "Expected no autofixes to be suggested"
+                    );
+                } else {
+                    assert.strictEqual(result.output, item.output, "Output is incorrect.");
+                }
+            } else {
+                assert.strictEqual(
+                    result.output,
+                    item.code,
+                    "The rule fixed the code. Please add 'output' property."
+                );
+            }
+
+            assertASTDidntChange(result.beforeAST, result.afterAST);
+        }
+
+        /*
+         * This creates a mocha test suite and pipes all supplied info through
+         * one of the templates above.
+         */
+        RuleTester.describe(ruleName, () => {
+            RuleTester.describe("valid", () => {
+                test.valid.forEach(valid => {
+                    RuleTester.it(sanitize(typeof valid === "object" ? valid.code : valid), () => {
+                        testValidTemplate(valid);
+                    });
+                });
+            });
+
+            RuleTester.describe("invalid", () => {
+                test.invalid.forEach(invalid => {
+                    RuleTester.it(sanitize(invalid.code), () => {
+                        testInvalidTemplate(invalid);
+                    });
+                });
+            });
+        });
+    }
+}
+
+RuleTester[DESCRIBE] = RuleTester[IT] = null;
+
+module.exports = RuleTester;
diff --git a/eslint/lib/rules/accessor-pairs.js b/eslint/lib/rules/accessor-pairs.js
new file mode 100644
index 0000000..0254825
--- /dev/null
+++ b/eslint/lib/rules/accessor-pairs.js
@@ -0,0 +1,367 @@
+/**
+ * @fileoverview Rule to flag wrapping non-iife in parens
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Property name if it can be computed statically, otherwise the list of the tokens of the key node.
+ * @typedef {string|Token[]} Key
+ */
+
+/**
+ * Accessor nodes with the same key.
+ * @typedef {Object} AccessorData
+ * @property {Key} key Accessor's key
+ * @property {ASTNode[]} getters List of getter nodes.
+ * @property {ASTNode[]} setters List of setter nodes.
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not the given lists represent the equal tokens in the same order.
+ * Tokens are compared by their properties, not by instance.
+ * @param {Token[]} left First list of tokens.
+ * @param {Token[]} right Second list of tokens.
+ * @returns {boolean} `true` if the lists have same tokens.
+ */
+function areEqualTokenLists(left, right) {
+    if (left.length !== right.length) {
+        return false;
+    }
+
+    for (let i = 0; i < left.length; i++) {
+        const leftToken = left[i],
+            rightToken = right[i];
+
+        if (leftToken.type !== rightToken.type || leftToken.value !== rightToken.value) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+/**
+ * Checks whether or not the given keys are equal.
+ * @param {Key} left First key.
+ * @param {Key} right Second key.
+ * @returns {boolean} `true` if the keys are equal.
+ */
+function areEqualKeys(left, right) {
+    if (typeof left === "string" && typeof right === "string") {
+
+        // Statically computed names.
+        return left === right;
+    }
+    if (Array.isArray(left) && Array.isArray(right)) {
+
+        // Token lists.
+        return areEqualTokenLists(left, right);
+    }
+
+    return false;
+}
+
+/**
+ * Checks whether or not a given node is of an accessor kind ('get' or 'set').
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is of an accessor kind.
+ */
+function isAccessorKind(node) {
+    return node.kind === "get" || node.kind === "set";
+}
+
+/**
+ * Checks whether or not a given node is an `Identifier` node which was named a given name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name An expected name of the node.
+ * @returns {boolean} `true` if the node is an `Identifier` node which was named as expected.
+ */
+function isIdentifier(node, name) {
+    return node.type === "Identifier" && node.name === name;
+}
+
+/**
+ * Checks whether or not a given node is an argument of a specified method call.
+ * @param {ASTNode} node A node to check.
+ * @param {number} index An expected index of the node in arguments.
+ * @param {string} object An expected name of the object of the method.
+ * @param {string} property An expected name of the method.
+ * @returns {boolean} `true` if the node is an argument of the specified method call.
+ */
+function isArgumentOfMethodCall(node, index, object, property) {
+    const parent = node.parent;
+
+    return (
+        parent.type === "CallExpression" &&
+        parent.callee.type === "MemberExpression" &&
+        parent.callee.computed === false &&
+        isIdentifier(parent.callee.object, object) &&
+        isIdentifier(parent.callee.property, property) &&
+        parent.arguments[index] === node
+    );
+}
+
+/**
+ * Checks whether or not a given node is a property descriptor.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a property descriptor.
+ */
+function isPropertyDescriptor(node) {
+
+    // Object.defineProperty(obj, "foo", {set: ...})
+    if (isArgumentOfMethodCall(node, 2, "Object", "defineProperty") ||
+        isArgumentOfMethodCall(node, 2, "Reflect", "defineProperty")
+    ) {
+        return true;
+    }
+
+    /*
+     * Object.defineProperties(obj, {foo: {set: ...}})
+     * Object.create(proto, {foo: {set: ...}})
+     */
+    const grandparent = node.parent.parent;
+
+    return grandparent.type === "ObjectExpression" && (
+        isArgumentOfMethodCall(grandparent, 1, "Object", "create") ||
+        isArgumentOfMethodCall(grandparent, 1, "Object", "defineProperties")
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce getter and setter pairs in objects and classes",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/accessor-pairs"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                getWithoutSet: {
+                    type: "boolean",
+                    default: false
+                },
+                setWithoutGet: {
+                    type: "boolean",
+                    default: true
+                },
+                enforceForClassMembers: {
+                    type: "boolean",
+                    default: true
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            missingGetterInPropertyDescriptor: "Getter is not present in property descriptor.",
+            missingSetterInPropertyDescriptor: "Setter is not present in property descriptor.",
+            missingGetterInObjectLiteral: "Getter is not present for {{ name }}.",
+            missingSetterInObjectLiteral: "Setter is not present for {{ name }}.",
+            missingGetterInClass: "Getter is not present for class {{ name }}.",
+            missingSetterInClass: "Setter is not present for class {{ name }}."
+        }
+    },
+    create(context) {
+        const config = context.options[0] || {};
+        const checkGetWithoutSet = config.getWithoutSet === true;
+        const checkSetWithoutGet = config.setWithoutGet !== false;
+        const enforceForClassMembers = config.enforceForClassMembers !== false;
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports the given node.
+         * @param {ASTNode} node The node to report.
+         * @param {string} messageKind "missingGetter" or "missingSetter".
+         * @returns {void}
+         * @private
+         */
+        function report(node, messageKind) {
+            if (node.type === "Property") {
+                context.report({
+                    node,
+                    messageId: `${messageKind}InObjectLiteral`,
+                    loc: astUtils.getFunctionHeadLoc(node.value, sourceCode),
+                    data: { name: astUtils.getFunctionNameWithKind(node.value) }
+                });
+            } else if (node.type === "MethodDefinition") {
+                context.report({
+                    node,
+                    messageId: `${messageKind}InClass`,
+                    loc: astUtils.getFunctionHeadLoc(node.value, sourceCode),
+                    data: { name: astUtils.getFunctionNameWithKind(node.value) }
+                });
+            } else {
+                context.report({
+                    node,
+                    messageId: `${messageKind}InPropertyDescriptor`
+                });
+            }
+        }
+
+        /**
+         * Reports each of the nodes in the given list using the same messageId.
+         * @param {ASTNode[]} nodes Nodes to report.
+         * @param {string} messageKind "missingGetter" or "missingSetter".
+         * @returns {void}
+         * @private
+         */
+        function reportList(nodes, messageKind) {
+            for (const node of nodes) {
+                report(node, messageKind);
+            }
+        }
+
+        /**
+         * Creates a new `AccessorData` object for the given getter or setter node.
+         * @param {ASTNode} node A getter or setter node.
+         * @returns {AccessorData} New `AccessorData` object that contains the given node.
+         * @private
+         */
+        function createAccessorData(node) {
+            const name = astUtils.getStaticPropertyName(node);
+            const key = (name !== null) ? name : sourceCode.getTokens(node.key);
+
+            return {
+                key,
+                getters: node.kind === "get" ? [node] : [],
+                setters: node.kind === "set" ? [node] : []
+            };
+        }
+
+        /**
+         * Merges the given `AccessorData` object into the given accessors list.
+         * @param {AccessorData[]} accessors The list to merge into.
+         * @param {AccessorData} accessorData The object to merge.
+         * @returns {AccessorData[]} The same instance with the merged object.
+         * @private
+         */
+        function mergeAccessorData(accessors, accessorData) {
+            const equalKeyElement = accessors.find(a => areEqualKeys(a.key, accessorData.key));
+
+            if (equalKeyElement) {
+                equalKeyElement.getters.push(...accessorData.getters);
+                equalKeyElement.setters.push(...accessorData.setters);
+            } else {
+                accessors.push(accessorData);
+            }
+
+            return accessors;
+        }
+
+        /**
+         * Checks accessor pairs in the given list of nodes.
+         * @param {ASTNode[]} nodes The list to check.
+         * @returns {void}
+         * @private
+         */
+        function checkList(nodes) {
+            const accessors = nodes
+                .filter(isAccessorKind)
+                .map(createAccessorData)
+                .reduce(mergeAccessorData, []);
+
+            for (const { getters, setters } of accessors) {
+                if (checkSetWithoutGet && setters.length && !getters.length) {
+                    reportList(setters, "missingGetter");
+                }
+                if (checkGetWithoutSet && getters.length && !setters.length) {
+                    reportList(getters, "missingSetter");
+                }
+            }
+        }
+
+        /**
+         * Checks accessor pairs in an object literal.
+         * @param {ASTNode} node `ObjectExpression` node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkObjectLiteral(node) {
+            checkList(node.properties.filter(p => p.type === "Property"));
+        }
+
+        /**
+         * Checks accessor pairs in a property descriptor.
+         * @param {ASTNode} node Property descriptor `ObjectExpression` node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkPropertyDescriptor(node) {
+            const namesToCheck = node.properties
+                .filter(p => p.type === "Property" && p.kind === "init" && !p.computed)
+                .map(({ key }) => key.name);
+
+            const hasGetter = namesToCheck.includes("get");
+            const hasSetter = namesToCheck.includes("set");
+
+            if (checkSetWithoutGet && hasSetter && !hasGetter) {
+                report(node, "missingGetter");
+            }
+            if (checkGetWithoutSet && hasGetter && !hasSetter) {
+                report(node, "missingSetter");
+            }
+        }
+
+        /**
+         * Checks the given object expression as an object literal and as a possible property descriptor.
+         * @param {ASTNode} node `ObjectExpression` node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkObjectExpression(node) {
+            checkObjectLiteral(node);
+            if (isPropertyDescriptor(node)) {
+                checkPropertyDescriptor(node);
+            }
+        }
+
+        /**
+         * Checks the given class body.
+         * @param {ASTNode} node `ClassBody` node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkClassBody(node) {
+            const methodDefinitions = node.body.filter(m => m.type === "MethodDefinition");
+
+            checkList(methodDefinitions.filter(m => m.static));
+            checkList(methodDefinitions.filter(m => !m.static));
+        }
+
+        const listeners = {};
+
+        if (checkSetWithoutGet || checkGetWithoutSet) {
+            listeners.ObjectExpression = checkObjectExpression;
+            if (enforceForClassMembers) {
+                listeners.ClassBody = checkClassBody;
+            }
+        }
+
+        return listeners;
+    }
+};
diff --git a/eslint/lib/rules/array-bracket-newline.js b/eslint/lib/rules/array-bracket-newline.js
new file mode 100644
index 0000000..b4b4dd4
--- /dev/null
+++ b/eslint/lib/rules/array-bracket-newline.js
@@ -0,0 +1,258 @@
+/**
+ * @fileoverview Rule to enforce linebreaks after open and before close array brackets
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce linebreaks after opening and before closing array brackets",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/array-bracket-newline"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never", "consistent"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            multiline: {
+                                type: "boolean"
+                            },
+                            minItems: {
+                                type: ["integer", "null"],
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unexpectedOpeningLinebreak: "There should be no linebreak after '['.",
+            unexpectedClosingLinebreak: "There should be no linebreak before ']'.",
+            missingOpeningLinebreak: "A linebreak is required after '['.",
+            missingClosingLinebreak: "A linebreak is required before ']'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Normalizes a given option value.
+         * @param {string|Object|undefined} option An option value to parse.
+         * @returns {{multiline: boolean, minItems: number}} Normalized option object.
+         */
+        function normalizeOptionValue(option) {
+            let consistent = false;
+            let multiline = false;
+            let minItems = 0;
+
+            if (option) {
+                if (option === "consistent") {
+                    consistent = true;
+                    minItems = Number.POSITIVE_INFINITY;
+                } else if (option === "always" || option.minItems === 0) {
+                    minItems = 0;
+                } else if (option === "never") {
+                    minItems = Number.POSITIVE_INFINITY;
+                } else {
+                    multiline = Boolean(option.multiline);
+                    minItems = option.minItems || Number.POSITIVE_INFINITY;
+                }
+            } else {
+                consistent = false;
+                multiline = true;
+                minItems = Number.POSITIVE_INFINITY;
+            }
+
+            return { consistent, multiline, minItems };
+        }
+
+        /**
+         * Normalizes a given option value.
+         * @param {string|Object|undefined} options An option value to parse.
+         * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object.
+         */
+        function normalizeOptions(options) {
+            const value = normalizeOptionValue(options);
+
+            return { ArrayExpression: value, ArrayPattern: value };
+        }
+
+        /**
+         * Reports that there shouldn't be a linebreak after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoBeginningLinebreak(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "unexpectedOpeningLinebreak",
+                fix(fixer) {
+                    const nextToken = sourceCode.getTokenAfter(token, { includeComments: true });
+
+                    if (astUtils.isCommentToken(nextToken)) {
+                        return null;
+                    }
+
+                    return fixer.removeRange([token.range[1], nextToken.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there shouldn't be a linebreak before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoEndingLinebreak(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "unexpectedClosingLinebreak",
+                fix(fixer) {
+                    const previousToken = sourceCode.getTokenBefore(token, { includeComments: true });
+
+                    if (astUtils.isCommentToken(previousToken)) {
+                        return null;
+                    }
+
+                    return fixer.removeRange([previousToken.range[1], token.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a linebreak after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredBeginningLinebreak(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingOpeningLinebreak",
+                fix(fixer) {
+                    return fixer.insertTextAfter(token, "\n");
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a linebreak before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredEndingLinebreak(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingClosingLinebreak",
+                fix(fixer) {
+                    return fixer.insertTextBefore(token, "\n");
+                }
+            });
+        }
+
+        /**
+         * Reports a given node if it violated this rule.
+         * @param {ASTNode} node A node to check. This is an ArrayExpression node or an ArrayPattern node.
+         * @returns {void}
+         */
+        function check(node) {
+            const elements = node.elements;
+            const normalizedOptions = normalizeOptions(context.options[0]);
+            const options = normalizedOptions[node.type];
+            const openBracket = sourceCode.getFirstToken(node);
+            const closeBracket = sourceCode.getLastToken(node);
+            const firstIncComment = sourceCode.getTokenAfter(openBracket, { includeComments: true });
+            const lastIncComment = sourceCode.getTokenBefore(closeBracket, { includeComments: true });
+            const first = sourceCode.getTokenAfter(openBracket);
+            const last = sourceCode.getTokenBefore(closeBracket);
+
+            const needsLinebreaks = (
+                elements.length >= options.minItems ||
+                (
+                    options.multiline &&
+                    elements.length > 0 &&
+                    firstIncComment.loc.start.line !== lastIncComment.loc.end.line
+                ) ||
+                (
+                    elements.length === 0 &&
+                    firstIncComment.type === "Block" &&
+                    firstIncComment.loc.start.line !== lastIncComment.loc.end.line &&
+                    firstIncComment === lastIncComment
+                ) ||
+                (
+                    options.consistent &&
+                    openBracket.loc.end.line !== first.loc.start.line
+                )
+            );
+
+            /*
+             * Use tokens or comments to check multiline or not.
+             * But use only tokens to check whether linebreaks are needed.
+             * This allows:
+             *     var arr = [ // eslint-disable-line foo
+             *         'a'
+             *     ]
+             */
+
+            if (needsLinebreaks) {
+                if (astUtils.isTokenOnSameLine(openBracket, first)) {
+                    reportRequiredBeginningLinebreak(node, openBracket);
+                }
+                if (astUtils.isTokenOnSameLine(last, closeBracket)) {
+                    reportRequiredEndingLinebreak(node, closeBracket);
+                }
+            } else {
+                if (!astUtils.isTokenOnSameLine(openBracket, first)) {
+                    reportNoBeginningLinebreak(node, openBracket);
+                }
+                if (!astUtils.isTokenOnSameLine(last, closeBracket)) {
+                    reportNoEndingLinebreak(node, closeBracket);
+                }
+            }
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            ArrayPattern: check,
+            ArrayExpression: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/array-bracket-spacing.js b/eslint/lib/rules/array-bracket-spacing.js
new file mode 100644
index 0000000..c2b77a6
--- /dev/null
+++ b/eslint/lib/rules/array-bracket-spacing.js
@@ -0,0 +1,241 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of array brackets.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing inside array brackets",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/array-bracket-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    singleValue: {
+                        type: "boolean"
+                    },
+                    objectsInArrays: {
+                        type: "boolean"
+                    },
+                    arraysInArrays: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
+            unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
+            missingSpaceAfter: "A space is required after '{{tokenValue}}'.",
+            missingSpaceBefore: "A space is required before '{{tokenValue}}'."
+        }
+    },
+    create(context) {
+        const spaced = context.options[0] === "always",
+            sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether an option is set, relative to the spacing option.
+         * If spaced is "always", then check whether option is set to false.
+         * If spaced is "never", then check whether option is set to true.
+         * @param {Object} option The option to exclude.
+         * @returns {boolean} Whether or not the property is excluded.
+         */
+        function isOptionSet(option) {
+            return context.options[1] ? context.options[1][option] === !spaced : false;
+        }
+
+        const options = {
+            spaced,
+            singleElementException: isOptionSet("singleValue"),
+            objectsInArraysException: isOptionSet("objectsInArrays"),
+            arraysInArraysException: isOptionSet("arraysInArrays")
+        };
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports that there shouldn't be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoBeginningSpace(node, token) {
+            const nextToken = sourceCode.getTokenAfter(token);
+
+            context.report({
+                node,
+                loc: { start: token.loc.end, end: nextToken.loc.start },
+                messageId: "unexpectedSpaceAfter",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([token.range[1], nextToken.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there shouldn't be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoEndingSpace(node, token) {
+            const previousToken = sourceCode.getTokenBefore(token);
+
+            context.report({
+                node,
+                loc: { start: previousToken.loc.end, end: token.loc.start },
+                messageId: "unexpectedSpaceBefore",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([previousToken.range[1], token.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredBeginningSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextAfter(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredEndingSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextBefore(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Determines if a node is an object type
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} Whether or not the node is an object type.
+         */
+        function isObjectType(node) {
+            return node && (node.type === "ObjectExpression" || node.type === "ObjectPattern");
+        }
+
+        /**
+         * Determines if a node is an array type
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} Whether or not the node is an array type.
+         */
+        function isArrayType(node) {
+            return node && (node.type === "ArrayExpression" || node.type === "ArrayPattern");
+        }
+
+        /**
+         * Validates the spacing around array brackets
+         * @param {ASTNode} node The node we're checking for spacing
+         * @returns {void}
+         */
+        function validateArraySpacing(node) {
+            if (options.spaced && node.elements.length === 0) {
+                return;
+            }
+
+            const first = sourceCode.getFirstToken(node),
+                second = sourceCode.getFirstToken(node, 1),
+                last = node.typeAnnotation
+                    ? sourceCode.getTokenBefore(node.typeAnnotation)
+                    : sourceCode.getLastToken(node),
+                penultimate = sourceCode.getTokenBefore(last),
+                firstElement = node.elements[0],
+                lastElement = node.elements[node.elements.length - 1];
+
+            const openingBracketMustBeSpaced =
+                options.objectsInArraysException && isObjectType(firstElement) ||
+                options.arraysInArraysException && isArrayType(firstElement) ||
+                options.singleElementException && node.elements.length === 1
+                    ? !options.spaced : options.spaced;
+
+            const closingBracketMustBeSpaced =
+                options.objectsInArraysException && isObjectType(lastElement) ||
+                options.arraysInArraysException && isArrayType(lastElement) ||
+                options.singleElementException && node.elements.length === 1
+                    ? !options.spaced : options.spaced;
+
+            if (astUtils.isTokenOnSameLine(first, second)) {
+                if (openingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(first, second)) {
+                    reportRequiredBeginningSpace(node, first);
+                }
+                if (!openingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(first, second)) {
+                    reportNoBeginningSpace(node, first);
+                }
+            }
+
+            if (first !== penultimate && astUtils.isTokenOnSameLine(penultimate, last)) {
+                if (closingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(penultimate, last)) {
+                    reportRequiredEndingSpace(node, last);
+                }
+                if (!closingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(penultimate, last)) {
+                    reportNoEndingSpace(node, last);
+                }
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ArrayPattern: validateArraySpacing,
+            ArrayExpression: validateArraySpacing
+        };
+    }
+};
diff --git a/eslint/lib/rules/array-callback-return.js b/eslint/lib/rules/array-callback-return.js
new file mode 100644
index 0000000..eb38965
--- /dev/null
+++ b/eslint/lib/rules/array-callback-return.js
@@ -0,0 +1,302 @@
+/**
+ * @fileoverview Rule to enforce return statements in callbacks of array's methods
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u;
+const TARGET_METHODS = /^(?:every|filter|find(?:Index)?|flatMap|forEach|map|reduce(?:Right)?|some|sort)$/u;
+
+/**
+ * Checks a given code path segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Gets a readable location.
+ *
+ * - FunctionExpression -> the function name or `function` keyword.
+ * - ArrowFunctionExpression -> `=>` token.
+ * @param {ASTNode} node A function node to get.
+ * @param {SourceCode} sourceCode A source code to get tokens.
+ * @returns {ASTNode|Token} The node or the token of a location.
+ */
+function getLocation(node, sourceCode) {
+    if (node.type === "ArrowFunctionExpression") {
+        return sourceCode.getTokenBefore(node.body);
+    }
+    return node.id || node;
+}
+
+/**
+ * Checks a given node is a MemberExpression node which has the specified name's
+ * property.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a MemberExpression node which has
+ *      the specified name's property
+ */
+function isTargetMethod(node) {
+    return (
+        node.type === "MemberExpression" &&
+        TARGET_METHODS.test(astUtils.getStaticPropertyName(node) || "")
+    );
+}
+
+/**
+ * Checks whether or not a given node is a function expression which is the
+ * callback of an array method, returning the method name.
+ * @param {ASTNode} node A node to check. This is one of
+ *      FunctionExpression or ArrowFunctionExpression.
+ * @returns {string} The method name if the node is a callback method,
+ *      null otherwise.
+ */
+function getArrayMethodName(node) {
+    let currentNode = node;
+
+    while (currentNode) {
+        const parent = currentNode.parent;
+
+        switch (parent.type) {
+
+            /*
+             * Looks up the destination. e.g.,
+             * foo.every(nativeFoo || function foo() { ... });
+             */
+            case "LogicalExpression":
+            case "ConditionalExpression":
+                currentNode = parent;
+                break;
+
+            /*
+             * If the upper function is IIFE, checks the destination of the return value.
+             * e.g.
+             *   foo.every((function() {
+             *     // setup...
+             *     return function callback() { ... };
+             *   })());
+             */
+            case "ReturnStatement": {
+                const func = astUtils.getUpperFunction(parent);
+
+                if (func === null || !astUtils.isCallee(func)) {
+                    return null;
+                }
+                currentNode = func.parent;
+                break;
+            }
+
+            /*
+             * e.g.
+             *   Array.from([], function() {});
+             *   list.every(function() {});
+             */
+            case "CallExpression":
+                if (astUtils.isArrayFromMethod(parent.callee)) {
+                    if (
+                        parent.arguments.length >= 2 &&
+                        parent.arguments[1] === currentNode
+                    ) {
+                        return "from";
+                    }
+                }
+                if (isTargetMethod(parent.callee)) {
+                    if (
+                        parent.arguments.length >= 1 &&
+                        parent.arguments[0] === currentNode
+                    ) {
+                        return astUtils.getStaticPropertyName(parent.callee);
+                    }
+                }
+                return null;
+
+            // Otherwise this node is not target.
+            default:
+                return null;
+        }
+    }
+
+    /* istanbul ignore next: unreachable */
+    return null;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "enforce `return` statements in callbacks of array methods",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/array-callback-return"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowImplicit: {
+                        type: "boolean",
+                        default: false
+                    },
+                    checkForEach: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            expectedAtEnd: "Expected to return a value at the end of {{name}}.",
+            expectedInside: "Expected to return a value in {{name}}.",
+            expectedReturnValue: "{{name}} expected a return value.",
+            expectedNoReturnValue: "{{name}} did not expect a return value."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0] || { allowImplicit: false, checkForEach: false };
+
+        let funcInfo = {
+            arrayMethodName: null,
+            upper: null,
+            codePath: null,
+            hasReturn: false,
+            shouldCheck: false,
+            node: null
+        };
+
+        /**
+         * Checks whether or not the last code path segment is reachable.
+         * Then reports this function if the segment is reachable.
+         *
+         * If the last code path segment is reachable, there are paths which are not
+         * returned or thrown.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function checkLastSegment(node) {
+
+            if (!funcInfo.shouldCheck) {
+                return;
+            }
+
+            let messageId = null;
+
+            if (funcInfo.arrayMethodName === "forEach") {
+                if (options.checkForEach && node.type === "ArrowFunctionExpression" && node.expression) {
+                    messageId = "expectedNoReturnValue";
+                }
+            } else {
+                if (node.body.type === "BlockStatement" && funcInfo.codePath.currentSegments.some(isReachable)) {
+                    messageId = funcInfo.hasReturn ? "expectedAtEnd" : "expectedInside";
+                }
+            }
+
+            if (messageId) {
+                let name = astUtils.getFunctionNameWithKind(funcInfo.node);
+
+                name = messageId === "expectedNoReturnValue" ? lodash.upperFirst(name) : name;
+                context.report({
+                    node,
+                    loc: getLocation(node, context.getSourceCode()).loc.start,
+                    messageId,
+                    data: { name }
+                });
+            }
+        }
+
+        return {
+
+            // Stacks this function's information.
+            onCodePathStart(codePath, node) {
+
+                let methodName = null;
+
+                if (TARGET_NODE_TYPE.test(node.type)) {
+                    methodName = getArrayMethodName(node);
+                }
+
+                funcInfo = {
+                    arrayMethodName: methodName,
+                    upper: funcInfo,
+                    codePath,
+                    hasReturn: false,
+                    shouldCheck:
+                        methodName &&
+                        !node.async &&
+                        !node.generator,
+                    node
+                };
+            },
+
+            // Pops this function's information.
+            onCodePathEnd() {
+                funcInfo = funcInfo.upper;
+            },
+
+            // Checks the return statement is valid.
+            ReturnStatement(node) {
+
+                if (!funcInfo.shouldCheck) {
+                    return;
+                }
+
+                funcInfo.hasReturn = true;
+
+                let messageId = null;
+
+                if (funcInfo.arrayMethodName === "forEach") {
+
+                    // if checkForEach: true, returning a value at any path inside a forEach is not allowed
+                    if (options.checkForEach && node.argument) {
+                        messageId = "expectedNoReturnValue";
+                    }
+                } else {
+
+                    // if allowImplicit: false, should also check node.argument
+                    if (!options.allowImplicit && !node.argument) {
+                        messageId = "expectedReturnValue";
+                    }
+                }
+
+                if (messageId) {
+                    context.report({
+                        node,
+                        messageId,
+                        data: {
+                            name: lodash.upperFirst(astUtils.getFunctionNameWithKind(funcInfo.node))
+                        }
+                    });
+                }
+            },
+
+            // Reports a given function if the last path is reachable.
+            "FunctionExpression:exit": checkLastSegment,
+            "ArrowFunctionExpression:exit": checkLastSegment
+        };
+    }
+};
diff --git a/eslint/lib/rules/array-element-newline.js b/eslint/lib/rules/array-element-newline.js
new file mode 100644
index 0000000..b7a9678
--- /dev/null
+++ b/eslint/lib/rules/array-element-newline.js
@@ -0,0 +1,301 @@
+/**
+ * @fileoverview Rule to enforce line breaks after each array element
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce line breaks after each array element",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/array-element-newline"
+        },
+
+        fixable: "whitespace",
+
+        schema: {
+            definitions: {
+                basicConfig: {
+                    oneOf: [
+                        {
+                            enum: ["always", "never", "consistent"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                multiline: {
+                                    type: "boolean"
+                                },
+                                minItems: {
+                                    type: ["integer", "null"],
+                                    minimum: 0
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ]
+                }
+            },
+            items: [
+                {
+                    oneOf: [
+                        {
+                            $ref: "#/definitions/basicConfig"
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                ArrayExpression: {
+                                    $ref: "#/definitions/basicConfig"
+                                },
+                                ArrayPattern: {
+                                    $ref: "#/definitions/basicConfig"
+                                }
+                            },
+                            additionalProperties: false,
+                            minProperties: 1
+                        }
+                    ]
+                }
+            ]
+        },
+
+        messages: {
+            unexpectedLineBreak: "There should be no linebreak here.",
+            missingLineBreak: "There should be a linebreak after this element."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Normalizes a given option value.
+         * @param {string|Object|undefined} providedOption An option value to parse.
+         * @returns {{multiline: boolean, minItems: number}} Normalized option object.
+         */
+        function normalizeOptionValue(providedOption) {
+            let consistent = false;
+            let multiline = false;
+            let minItems;
+
+            const option = providedOption || "always";
+
+            if (!option || option === "always" || option.minItems === 0) {
+                minItems = 0;
+            } else if (option === "never") {
+                minItems = Number.POSITIVE_INFINITY;
+            } else if (option === "consistent") {
+                consistent = true;
+                minItems = Number.POSITIVE_INFINITY;
+            } else {
+                multiline = Boolean(option.multiline);
+                minItems = option.minItems || Number.POSITIVE_INFINITY;
+            }
+
+            return { consistent, multiline, minItems };
+        }
+
+        /**
+         * Normalizes a given option value.
+         * @param {string|Object|undefined} options An option value to parse.
+         * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object.
+         */
+        function normalizeOptions(options) {
+            if (options && (options.ArrayExpression || options.ArrayPattern)) {
+                let expressionOptions, patternOptions;
+
+                if (options.ArrayExpression) {
+                    expressionOptions = normalizeOptionValue(options.ArrayExpression);
+                }
+
+                if (options.ArrayPattern) {
+                    patternOptions = normalizeOptionValue(options.ArrayPattern);
+                }
+
+                return { ArrayExpression: expressionOptions, ArrayPattern: patternOptions };
+            }
+
+            const value = normalizeOptionValue(options);
+
+            return { ArrayExpression: value, ArrayPattern: value };
+        }
+
+        /**
+         * Reports that there shouldn't be a line break after the first token
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoLineBreak(token) {
+            const tokenBefore = sourceCode.getTokenBefore(token, { includeComments: true });
+
+            context.report({
+                loc: {
+                    start: tokenBefore.loc.end,
+                    end: token.loc.start
+                },
+                messageId: "unexpectedLineBreak",
+                fix(fixer) {
+                    if (astUtils.isCommentToken(tokenBefore)) {
+                        return null;
+                    }
+
+                    if (!astUtils.isTokenOnSameLine(tokenBefore, token)) {
+                        return fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], " ");
+                    }
+
+                    /*
+                     * This will check if the comma is on the same line as the next element
+                     * Following array:
+                     * [
+                     *     1
+                     *     , 2
+                     *     , 3
+                     * ]
+                     *
+                     * will be fixed to:
+                     * [
+                     *     1, 2, 3
+                     * ]
+                     */
+                    const twoTokensBefore = sourceCode.getTokenBefore(tokenBefore, { includeComments: true });
+
+                    if (astUtils.isCommentToken(twoTokensBefore)) {
+                        return null;
+                    }
+
+                    return fixer.replaceTextRange([twoTokensBefore.range[1], tokenBefore.range[0]], "");
+
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a line break after the first token
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredLineBreak(token) {
+            const tokenBefore = sourceCode.getTokenBefore(token, { includeComments: true });
+
+            context.report({
+                loc: {
+                    start: tokenBefore.loc.end,
+                    end: token.loc.start
+                },
+                messageId: "missingLineBreak",
+                fix(fixer) {
+                    return fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], "\n");
+                }
+            });
+        }
+
+        /**
+         * Reports a given node if it violated this rule.
+         * @param {ASTNode} node A node to check. This is an ObjectExpression node or an ObjectPattern node.
+         * @returns {void}
+         */
+        function check(node) {
+            const elements = node.elements;
+            const normalizedOptions = normalizeOptions(context.options[0]);
+            const options = normalizedOptions[node.type];
+
+            if (!options) {
+                return;
+            }
+
+            let elementBreak = false;
+
+            /*
+             * MULTILINE: true
+             * loop through every element and check
+             * if at least one element has linebreaks inside
+             * this ensures that following is not valid (due to elements are on the same line):
+             *
+             * [
+             *      1,
+             *      2,
+             *      3
+             * ]
+             */
+            if (options.multiline) {
+                elementBreak = elements
+                    .filter(element => element !== null)
+                    .some(element => element.loc.start.line !== element.loc.end.line);
+            }
+
+            const linebreaksCount = node.elements.map((element, i) => {
+                const previousElement = elements[i - 1];
+
+                if (i === 0 || element === null || previousElement === null) {
+                    return false;
+                }
+
+                const commaToken = sourceCode.getFirstTokenBetween(previousElement, element, astUtils.isCommaToken);
+                const lastTokenOfPreviousElement = sourceCode.getTokenBefore(commaToken);
+                const firstTokenOfCurrentElement = sourceCode.getTokenAfter(commaToken);
+
+                return !astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement);
+            }).filter(isBreak => isBreak === true).length;
+
+            const needsLinebreaks = (
+                elements.length >= options.minItems ||
+                (
+                    options.multiline &&
+                    elementBreak
+                ) ||
+                (
+                    options.consistent &&
+                    linebreaksCount > 0 &&
+                    linebreaksCount < node.elements.length
+                )
+            );
+
+            elements.forEach((element, i) => {
+                const previousElement = elements[i - 1];
+
+                if (i === 0 || element === null || previousElement === null) {
+                    return;
+                }
+
+                const commaToken = sourceCode.getFirstTokenBetween(previousElement, element, astUtils.isCommaToken);
+                const lastTokenOfPreviousElement = sourceCode.getTokenBefore(commaToken);
+                const firstTokenOfCurrentElement = sourceCode.getTokenAfter(commaToken);
+
+                if (needsLinebreaks) {
+                    if (astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement)) {
+                        reportRequiredLineBreak(firstTokenOfCurrentElement);
+                    }
+                } else {
+                    if (!astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement)) {
+                        reportNoLineBreak(firstTokenOfCurrentElement);
+                    }
+                }
+            });
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            ArrayPattern: check,
+            ArrayExpression: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/arrow-body-style.js b/eslint/lib/rules/arrow-body-style.js
new file mode 100644
index 0000000..9d5c77d
--- /dev/null
+++ b/eslint/lib/rules/arrow-body-style.js
@@ -0,0 +1,251 @@
+/**
+ * @fileoverview Rule to require braces in arrow function body.
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require braces around arrow function bodies",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/arrow-body-style"
+        },
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "never"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["as-needed"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                requireReturnForObjectLiteral: { type: "boolean" }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        fixable: "code",
+
+        messages: {
+            unexpectedOtherBlock: "Unexpected block statement surrounding arrow body.",
+            unexpectedEmptyBlock: "Unexpected block statement surrounding arrow body; put a value of `undefined` immediately after the `=>`.",
+            unexpectedObjectBlock: "Unexpected block statement surrounding arrow body; parenthesize the returned value and move it immediately after the `=>`.",
+            unexpectedSingleBlock: "Unexpected block statement surrounding arrow body; move the returned value immediately after the `=>`.",
+            expectedBlock: "Expected block statement surrounding arrow body."
+        }
+    },
+
+    create(context) {
+        const options = context.options;
+        const always = options[0] === "always";
+        const asNeeded = !options[0] || options[0] === "as-needed";
+        const never = options[0] === "never";
+        const requireReturnForObjectLiteral = options[1] && options[1].requireReturnForObjectLiteral;
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Checks whether the given node has ASI problem or not.
+         * @param {Token} token The token to check.
+         * @returns {boolean} `true` if it changes semantics if `;` or `}` followed by the token are removed.
+         */
+        function hasASIProblem(token) {
+            return token && token.type === "Punctuator" && /^[([/`+-]/u.test(token.value);
+        }
+
+        /**
+         * Gets the closing parenthesis which is the pair of the given opening parenthesis.
+         * @param {Token} token The opening parenthesis token to get.
+         * @returns {Token} The found closing parenthesis token.
+         */
+        function findClosingParen(token) {
+            let node = sourceCode.getNodeByRangeIndex(token.range[0]);
+
+            while (!astUtils.isParenthesised(sourceCode, node)) {
+                node = node.parent;
+            }
+            return sourceCode.getTokenAfter(node);
+        }
+
+        /**
+         * Determines whether a arrow function body needs braces
+         * @param {ASTNode} node The arrow function node.
+         * @returns {void}
+         */
+        function validate(node) {
+            const arrowBody = node.body;
+
+            if (arrowBody.type === "BlockStatement") {
+                const blockBody = arrowBody.body;
+
+                if (blockBody.length !== 1 && !never) {
+                    return;
+                }
+
+                if (asNeeded && requireReturnForObjectLiteral && blockBody[0].type === "ReturnStatement" &&
+                    blockBody[0].argument && blockBody[0].argument.type === "ObjectExpression") {
+                    return;
+                }
+
+                if (never || asNeeded && blockBody[0].type === "ReturnStatement") {
+                    let messageId;
+
+                    if (blockBody.length === 0) {
+                        messageId = "unexpectedEmptyBlock";
+                    } else if (blockBody.length > 1) {
+                        messageId = "unexpectedOtherBlock";
+                    } else if (blockBody[0].argument === null) {
+                        messageId = "unexpectedSingleBlock";
+                    } else if (astUtils.isOpeningBraceToken(sourceCode.getFirstToken(blockBody[0], { skip: 1 }))) {
+                        messageId = "unexpectedObjectBlock";
+                    } else {
+                        messageId = "unexpectedSingleBlock";
+                    }
+
+                    context.report({
+                        node,
+                        loc: arrowBody.loc.start,
+                        messageId,
+                        fix(fixer) {
+                            const fixes = [];
+
+                            if (blockBody.length !== 1 ||
+                                blockBody[0].type !== "ReturnStatement" ||
+                                !blockBody[0].argument ||
+                                hasASIProblem(sourceCode.getTokenAfter(arrowBody))
+                            ) {
+                                return fixes;
+                            }
+
+                            const openingBrace = sourceCode.getFirstToken(arrowBody);
+                            const closingBrace = sourceCode.getLastToken(arrowBody);
+                            const firstValueToken = sourceCode.getFirstToken(blockBody[0], 1);
+                            const lastValueToken = sourceCode.getLastToken(blockBody[0]);
+                            const commentsExist =
+                                sourceCode.commentsExistBetween(openingBrace, firstValueToken) ||
+                                sourceCode.commentsExistBetween(lastValueToken, closingBrace);
+
+                            /*
+                             * Remove tokens around the return value.
+                             * If comments don't exist, remove extra spaces as well.
+                             */
+                            if (commentsExist) {
+                                fixes.push(
+                                    fixer.remove(openingBrace),
+                                    fixer.remove(closingBrace),
+                                    fixer.remove(sourceCode.getTokenAfter(openingBrace)) // return keyword
+                                );
+                            } else {
+                                fixes.push(
+                                    fixer.removeRange([openingBrace.range[0], firstValueToken.range[0]]),
+                                    fixer.removeRange([lastValueToken.range[1], closingBrace.range[1]])
+                                );
+                            }
+
+                            /*
+                             * If the first token of the reutrn value is `{` or the return value is a sequence expression,
+                             * enclose the return value by parentheses to avoid syntax error.
+                             */
+                            if (astUtils.isOpeningBraceToken(firstValueToken) || blockBody[0].argument.type === "SequenceExpression") {
+                                fixes.push(
+                                    fixer.insertTextBefore(firstValueToken, "("),
+                                    fixer.insertTextAfter(lastValueToken, ")")
+                                );
+                            }
+
+                            /*
+                             * If the last token of the return statement is semicolon, remove it.
+                             * Non-block arrow body is an expression, not a statement.
+                             */
+                            if (astUtils.isSemicolonToken(lastValueToken)) {
+                                fixes.push(fixer.remove(lastValueToken));
+                            }
+
+                            return fixes;
+                        }
+                    });
+                }
+            } else {
+                if (always || (asNeeded && requireReturnForObjectLiteral && arrowBody.type === "ObjectExpression")) {
+                    context.report({
+                        node,
+                        loc: arrowBody.loc.start,
+                        messageId: "expectedBlock",
+                        fix(fixer) {
+                            const fixes = [];
+                            const arrowToken = sourceCode.getTokenBefore(arrowBody, astUtils.isArrowToken);
+                            const [firstTokenAfterArrow, secondTokenAfterArrow] = sourceCode.getTokensAfter(arrowToken, { count: 2 });
+                            const lastToken = sourceCode.getLastToken(node);
+                            const isParenthesisedObjectLiteral =
+                                astUtils.isOpeningParenToken(firstTokenAfterArrow) &&
+                                astUtils.isOpeningBraceToken(secondTokenAfterArrow);
+
+                            // If the value is object literal, remove parentheses which were forced by syntax.
+                            if (isParenthesisedObjectLiteral) {
+                                const openingParenToken = firstTokenAfterArrow;
+                                const openingBraceToken = secondTokenAfterArrow;
+
+                                if (astUtils.isTokenOnSameLine(openingParenToken, openingBraceToken)) {
+                                    fixes.push(fixer.replaceText(openingParenToken, "{return "));
+                                } else {
+
+                                    // Avoid ASI
+                                    fixes.push(
+                                        fixer.replaceText(openingParenToken, "{"),
+                                        fixer.insertTextBefore(openingBraceToken, "return ")
+                                    );
+                                }
+
+                                // Closing paren for the object doesn't have to be lastToken, e.g.: () => ({}).foo()
+                                fixes.push(fixer.remove(findClosingParen(openingBraceToken)));
+                                fixes.push(fixer.insertTextAfter(lastToken, "}"));
+
+                            } else {
+                                fixes.push(fixer.insertTextBefore(firstTokenAfterArrow, "{return "));
+                                fixes.push(fixer.insertTextAfter(lastToken, "}"));
+                            }
+
+                            return fixes;
+                        }
+                    });
+                }
+            }
+        }
+
+        return {
+            "ArrowFunctionExpression:exit": validate
+        };
+    }
+};
diff --git a/eslint/lib/rules/arrow-parens.js b/eslint/lib/rules/arrow-parens.js
new file mode 100644
index 0000000..dc3c382
--- /dev/null
+++ b/eslint/lib/rules/arrow-parens.js
@@ -0,0 +1,184 @@
+/**
+ * @fileoverview Rule to require parens in arrow function arguments.
+ * @author Jxck
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get location should be reported by AST node.
+ * @param {ASTNode} node AST Node.
+ * @returns {Location} Location information.
+ */
+function getLocation(node) {
+    return {
+        start: node.params[0].loc.start,
+        end: node.params[node.params.length - 1].loc.end
+    };
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require parentheses around arrow function arguments",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/arrow-parens"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                enum: ["always", "as-needed"]
+            },
+            {
+                type: "object",
+                properties: {
+                    requireForBlockBody: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedParens: "Unexpected parentheses around single function argument.",
+            expectedParens: "Expected parentheses around arrow function argument.",
+
+            unexpectedParensInline: "Unexpected parentheses around single function argument having a body with no curly braces.",
+            expectedParensBlock: "Expected parentheses around arrow function argument having a body with curly braces."
+        }
+    },
+
+    create(context) {
+        const asNeeded = context.options[0] === "as-needed";
+        const requireForBlockBody = asNeeded && context.options[1] && context.options[1].requireForBlockBody === true;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether a arrow function argument end with `)`
+         * @param {ASTNode} node The arrow function node.
+         * @returns {void}
+         */
+        function parens(node) {
+            const isAsync = node.async;
+            const firstTokenOfParam = sourceCode.getFirstToken(node, isAsync ? 1 : 0);
+
+            /**
+             * Remove the parenthesis around a parameter
+             * @param {Fixer} fixer Fixer
+             * @returns {string} fixed parameter
+             */
+            function fixParamsWithParenthesis(fixer) {
+                const paramToken = sourceCode.getTokenAfter(firstTokenOfParam);
+
+                /*
+                 * ES8 allows Trailing commas in function parameter lists and calls
+                 * https://github.com/eslint/eslint/issues/8834
+                 */
+                const closingParenToken = sourceCode.getTokenAfter(paramToken, astUtils.isClosingParenToken);
+                const asyncToken = isAsync ? sourceCode.getTokenBefore(firstTokenOfParam) : null;
+                const shouldAddSpaceForAsync = asyncToken && (asyncToken.range[1] === firstTokenOfParam.range[0]);
+
+                return fixer.replaceTextRange([
+                    firstTokenOfParam.range[0],
+                    closingParenToken.range[1]
+                ], `${shouldAddSpaceForAsync ? " " : ""}${paramToken.value}`);
+            }
+
+            // "as-needed", { "requireForBlockBody": true }: x => x
+            if (
+                requireForBlockBody &&
+                node.params.length === 1 &&
+                node.params[0].type === "Identifier" &&
+                !node.params[0].typeAnnotation &&
+                node.body.type !== "BlockStatement" &&
+                !node.returnType
+            ) {
+                if (astUtils.isOpeningParenToken(firstTokenOfParam)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedParensInline",
+                        loc: getLocation(node),
+                        fix: fixParamsWithParenthesis
+                    });
+                }
+                return;
+            }
+
+            if (
+                requireForBlockBody &&
+                node.body.type === "BlockStatement"
+            ) {
+                if (!astUtils.isOpeningParenToken(firstTokenOfParam)) {
+                    context.report({
+                        node,
+                        messageId: "expectedParensBlock",
+                        loc: getLocation(node),
+                        fix(fixer) {
+                            return fixer.replaceText(firstTokenOfParam, `(${firstTokenOfParam.value})`);
+                        }
+                    });
+                }
+                return;
+            }
+
+            // "as-needed": x => x
+            if (asNeeded &&
+                node.params.length === 1 &&
+                node.params[0].type === "Identifier" &&
+                !node.params[0].typeAnnotation &&
+                !node.returnType
+            ) {
+                if (astUtils.isOpeningParenToken(firstTokenOfParam)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedParens",
+                        loc: getLocation(node),
+                        fix: fixParamsWithParenthesis
+                    });
+                }
+                return;
+            }
+
+            if (firstTokenOfParam.type === "Identifier") {
+                const after = sourceCode.getTokenAfter(firstTokenOfParam);
+
+                // (x) => x
+                if (after.value !== ")") {
+                    context.report({
+                        node,
+                        messageId: "expectedParens",
+                        loc: getLocation(node),
+                        fix(fixer) {
+                            return fixer.replaceText(firstTokenOfParam, `(${firstTokenOfParam.value})`);
+                        }
+                    });
+                }
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: parens
+        };
+    }
+};
diff --git a/eslint/lib/rules/arrow-spacing.js b/eslint/lib/rules/arrow-spacing.js
new file mode 100644
index 0000000..e5110c6
--- /dev/null
+++ b/eslint/lib/rules/arrow-spacing.js
@@ -0,0 +1,161 @@
+/**
+ * @fileoverview Rule to define spacing before/after arrow function's arrow.
+ * @author Jxck
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before and after the arrow in arrow functions",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/arrow-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: {
+                        type: "boolean",
+                        default: true
+                    },
+                    after: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            expectedBefore: "Missing space before =>.",
+            unexpectedBefore: "Unexpected space before =>.",
+
+            expectedAfter: "Missing space after =>.",
+            unexpectedAfter: "Unexpected space after =>."
+        }
+    },
+
+    create(context) {
+
+        // merge rules with default
+        const rule = Object.assign({}, context.options[0]);
+
+        rule.before = rule.before !== false;
+        rule.after = rule.after !== false;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Get tokens of arrow(`=>`) and before/after arrow.
+         * @param {ASTNode} node The arrow function node.
+         * @returns {Object} Tokens of arrow and before/after arrow.
+         */
+        function getTokens(node) {
+            const arrow = sourceCode.getTokenBefore(node.body, astUtils.isArrowToken);
+
+            return {
+                before: sourceCode.getTokenBefore(arrow),
+                arrow,
+                after: sourceCode.getTokenAfter(arrow)
+            };
+        }
+
+        /**
+         * Count spaces before/after arrow(`=>`) token.
+         * @param {Object} tokens Tokens before/after arrow.
+         * @returns {Object} count of space before/after arrow.
+         */
+        function countSpaces(tokens) {
+            const before = tokens.arrow.range[0] - tokens.before.range[1];
+            const after = tokens.after.range[0] - tokens.arrow.range[1];
+
+            return { before, after };
+        }
+
+        /**
+         * Determines whether space(s) before after arrow(`=>`) is satisfy rule.
+         * if before/after value is `true`, there should be space(s).
+         * if before/after value is `false`, there should be no space.
+         * @param {ASTNode} node The arrow function node.
+         * @returns {void}
+         */
+        function spaces(node) {
+            const tokens = getTokens(node);
+            const countSpace = countSpaces(tokens);
+
+            if (rule.before) {
+
+                // should be space(s) before arrow
+                if (countSpace.before === 0) {
+                    context.report({
+                        node: tokens.before,
+                        messageId: "expectedBefore",
+                        fix(fixer) {
+                            return fixer.insertTextBefore(tokens.arrow, " ");
+                        }
+                    });
+                }
+            } else {
+
+                // should be no space before arrow
+                if (countSpace.before > 0) {
+                    context.report({
+                        node: tokens.before,
+                        messageId: "unexpectedBefore",
+                        fix(fixer) {
+                            return fixer.removeRange([tokens.before.range[1], tokens.arrow.range[0]]);
+                        }
+                    });
+                }
+            }
+
+            if (rule.after) {
+
+                // should be space(s) after arrow
+                if (countSpace.after === 0) {
+                    context.report({
+                        node: tokens.after,
+                        messageId: "expectedAfter",
+                        fix(fixer) {
+                            return fixer.insertTextAfter(tokens.arrow, " ");
+                        }
+                    });
+                }
+            } else {
+
+                // should be no space after arrow
+                if (countSpace.after > 0) {
+                    context.report({
+                        node: tokens.after,
+                        messageId: "unexpectedAfter",
+                        fix(fixer) {
+                            return fixer.removeRange([tokens.arrow.range[1], tokens.after.range[0]]);
+                        }
+                    });
+                }
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: spaces
+        };
+    }
+};
diff --git a/eslint/lib/rules/block-scoped-var.js b/eslint/lib/rules/block-scoped-var.js
new file mode 100644
index 0000000..481057b
--- /dev/null
+++ b/eslint/lib/rules/block-scoped-var.js
@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Rule to check for "block scoped" variables by binding context
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce the use of variables within the scope they are defined",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/block-scoped-var"
+        },
+
+        schema: [],
+
+        messages: {
+            outOfScope: "'{{name}}' used outside of binding context."
+        }
+    },
+
+    create(context) {
+        let stack = [];
+
+        /**
+         * Makes a block scope.
+         * @param {ASTNode} node A node of a scope.
+         * @returns {void}
+         */
+        function enterScope(node) {
+            stack.push(node.range);
+        }
+
+        /**
+         * Pops the last block scope.
+         * @returns {void}
+         */
+        function exitScope() {
+            stack.pop();
+        }
+
+        /**
+         * Reports a given reference.
+         * @param {eslint-scope.Reference} reference A reference to report.
+         * @returns {void}
+         */
+        function report(reference) {
+            const identifier = reference.identifier;
+
+            context.report({ node: identifier, messageId: "outOfScope", data: { name: identifier.name } });
+        }
+
+        /**
+         * Finds and reports references which are outside of valid scopes.
+         * @param {ASTNode} node A node to get variables.
+         * @returns {void}
+         */
+        function checkForVariables(node) {
+            if (node.kind !== "var") {
+                return;
+            }
+
+            // Defines a predicate to check whether or not a given reference is outside of valid scope.
+            const scopeRange = stack[stack.length - 1];
+
+            /**
+             * Check if a reference is out of scope
+             * @param {ASTNode} reference node to examine
+             * @returns {boolean} True is its outside the scope
+             * @private
+             */
+            function isOutsideOfScope(reference) {
+                const idRange = reference.identifier.range;
+
+                return idRange[0] < scopeRange[0] || idRange[1] > scopeRange[1];
+            }
+
+            // Gets declared variables, and checks its references.
+            const variables = context.getDeclaredVariables(node);
+
+            for (let i = 0; i < variables.length; ++i) {
+
+                // Reports.
+                variables[i]
+                    .references
+                    .filter(isOutsideOfScope)
+                    .forEach(report);
+            }
+        }
+
+        return {
+            Program(node) {
+                stack = [node.range];
+            },
+
+            // Manages scopes.
+            BlockStatement: enterScope,
+            "BlockStatement:exit": exitScope,
+            ForStatement: enterScope,
+            "ForStatement:exit": exitScope,
+            ForInStatement: enterScope,
+            "ForInStatement:exit": exitScope,
+            ForOfStatement: enterScope,
+            "ForOfStatement:exit": exitScope,
+            SwitchStatement: enterScope,
+            "SwitchStatement:exit": exitScope,
+            CatchClause: enterScope,
+            "CatchClause:exit": exitScope,
+
+            // Finds and reports references which are outside of valid scope.
+            VariableDeclaration: checkForVariables
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/block-spacing.js b/eslint/lib/rules/block-spacing.js
new file mode 100644
index 0000000..c6ed44a
--- /dev/null
+++ b/eslint/lib/rules/block-spacing.js
@@ -0,0 +1,147 @@
+/**
+ * @fileoverview A rule to disallow or enforce spaces inside of single line blocks.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const util = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow or enforce spaces inside of blocks after opening block and before closing block",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/block-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            { enum: ["always", "never"] }
+        ],
+
+        messages: {
+            missing: "Requires a space {{location}} '{{token}}'.",
+            extra: "Unexpected space(s) {{location}} '{{token}}'."
+        }
+    },
+
+    create(context) {
+        const always = (context.options[0] !== "never"),
+            messageId = always ? "missing" : "extra",
+            sourceCode = context.getSourceCode();
+
+        /**
+         * Gets the open brace token from a given node.
+         * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+         * @returns {Token} The token of the open brace.
+         */
+        function getOpenBrace(node) {
+            if (node.type === "SwitchStatement") {
+                if (node.cases.length > 0) {
+                    return sourceCode.getTokenBefore(node.cases[0]);
+                }
+                return sourceCode.getLastToken(node, 1);
+            }
+            return sourceCode.getFirstToken(node);
+        }
+
+        /**
+         * Checks whether or not:
+         *   - given tokens are on same line.
+         *   - there is/isn't a space between given tokens.
+         * @param {Token} left A token to check.
+         * @param {Token} right The token which is next to `left`.
+         * @returns {boolean}
+         *    When the option is `"always"`, `true` if there are one or more spaces between given tokens.
+         *    When the option is `"never"`, `true` if there are not any spaces between given tokens.
+         *    If given tokens are not on same line, it's always `true`.
+         */
+        function isValid(left, right) {
+            return (
+                !util.isTokenOnSameLine(left, right) ||
+                sourceCode.isSpaceBetweenTokens(left, right) === always
+            );
+        }
+
+        /**
+         * Reports invalid spacing style inside braces.
+         * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+         * @returns {void}
+         */
+        function checkSpacingInsideBraces(node) {
+
+            // Gets braces and the first/last token of content.
+            const openBrace = getOpenBrace(node);
+            const closeBrace = sourceCode.getLastToken(node);
+            const firstToken = sourceCode.getTokenAfter(openBrace, { includeComments: true });
+            const lastToken = sourceCode.getTokenBefore(closeBrace, { includeComments: true });
+
+            // Skip if the node is invalid or empty.
+            if (openBrace.type !== "Punctuator" ||
+                openBrace.value !== "{" ||
+                closeBrace.type !== "Punctuator" ||
+                closeBrace.value !== "}" ||
+                firstToken === closeBrace
+            ) {
+                return;
+            }
+
+            // Skip line comments for option never
+            if (!always && firstToken.type === "Line") {
+                return;
+            }
+
+            // Check.
+            if (!isValid(openBrace, firstToken)) {
+                context.report({
+                    node,
+                    loc: openBrace.loc.start,
+                    messageId,
+                    data: {
+                        location: "after",
+                        token: openBrace.value
+                    },
+                    fix(fixer) {
+                        if (always) {
+                            return fixer.insertTextBefore(firstToken, " ");
+                        }
+
+                        return fixer.removeRange([openBrace.range[1], firstToken.range[0]]);
+                    }
+                });
+            }
+            if (!isValid(lastToken, closeBrace)) {
+                context.report({
+                    node,
+                    loc: closeBrace.loc.start,
+                    messageId,
+                    data: {
+                        location: "before",
+                        token: closeBrace.value
+                    },
+                    fix(fixer) {
+                        if (always) {
+                            return fixer.insertTextAfter(lastToken, " ");
+                        }
+
+                        return fixer.removeRange([lastToken.range[1], closeBrace.range[0]]);
+                    }
+                });
+            }
+        }
+
+        return {
+            BlockStatement: checkSpacingInsideBraces,
+            SwitchStatement: checkSpacingInsideBraces
+        };
+    }
+};
diff --git a/eslint/lib/rules/brace-style.js b/eslint/lib/rules/brace-style.js
new file mode 100644
index 0000000..07223d1
--- /dev/null
+++ b/eslint/lib/rules/brace-style.js
@@ -0,0 +1,188 @@
+/**
+ * @fileoverview Rule to flag block statements that do not use the one true brace style
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent brace style for blocks",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/brace-style"
+        },
+
+        schema: [
+            {
+                enum: ["1tbs", "stroustrup", "allman"]
+            },
+            {
+                type: "object",
+                properties: {
+                    allowSingleLine: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "whitespace",
+
+        messages: {
+            nextLineOpen: "Opening curly brace does not appear on the same line as controlling statement.",
+            sameLineOpen: "Opening curly brace appears on the same line as controlling statement.",
+            blockSameLine: "Statement inside of curly braces should be on next line.",
+            nextLineClose: "Closing curly brace does not appear on the same line as the subsequent block.",
+            singleLineClose: "Closing curly brace should be on the same line as opening curly brace or on the line after the previous block.",
+            sameLineClose: "Closing curly brace appears on the same line as the subsequent block."
+        }
+    },
+
+    create(context) {
+        const style = context.options[0] || "1tbs",
+            params = context.options[1] || {},
+            sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Fixes a place where a newline unexpectedly appears
+         * @param {Token} firstToken The token before the unexpected newline
+         * @param {Token} secondToken The token after the unexpected newline
+         * @returns {Function} A fixer function to remove the newlines between the tokens
+         */
+        function removeNewlineBetween(firstToken, secondToken) {
+            const textRange = [firstToken.range[1], secondToken.range[0]];
+            const textBetween = sourceCode.text.slice(textRange[0], textRange[1]);
+
+            // Don't do a fix if there is a comment between the tokens
+            if (textBetween.trim()) {
+                return null;
+            }
+            return fixer => fixer.replaceTextRange(textRange, " ");
+        }
+
+        /**
+         * Validates a pair of curly brackets based on the user's config
+         * @param {Token} openingCurly The opening curly bracket
+         * @param {Token} closingCurly The closing curly bracket
+         * @returns {void}
+         */
+        function validateCurlyPair(openingCurly, closingCurly) {
+            const tokenBeforeOpeningCurly = sourceCode.getTokenBefore(openingCurly);
+            const tokenAfterOpeningCurly = sourceCode.getTokenAfter(openingCurly);
+            const tokenBeforeClosingCurly = sourceCode.getTokenBefore(closingCurly);
+            const singleLineException = params.allowSingleLine && astUtils.isTokenOnSameLine(openingCurly, closingCurly);
+
+            if (style !== "allman" && !astUtils.isTokenOnSameLine(tokenBeforeOpeningCurly, openingCurly)) {
+                context.report({
+                    node: openingCurly,
+                    messageId: "nextLineOpen",
+                    fix: removeNewlineBetween(tokenBeforeOpeningCurly, openingCurly)
+                });
+            }
+
+            if (style === "allman" && astUtils.isTokenOnSameLine(tokenBeforeOpeningCurly, openingCurly) && !singleLineException) {
+                context.report({
+                    node: openingCurly,
+                    messageId: "sameLineOpen",
+                    fix: fixer => fixer.insertTextBefore(openingCurly, "\n")
+                });
+            }
+
+            if (astUtils.isTokenOnSameLine(openingCurly, tokenAfterOpeningCurly) && tokenAfterOpeningCurly !== closingCurly && !singleLineException) {
+                context.report({
+                    node: openingCurly,
+                    messageId: "blockSameLine",
+                    fix: fixer => fixer.insertTextAfter(openingCurly, "\n")
+                });
+            }
+
+            if (tokenBeforeClosingCurly !== openingCurly && !singleLineException && astUtils.isTokenOnSameLine(tokenBeforeClosingCurly, closingCurly)) {
+                context.report({
+                    node: closingCurly,
+                    messageId: "singleLineClose",
+                    fix: fixer => fixer.insertTextBefore(closingCurly, "\n")
+                });
+            }
+        }
+
+        /**
+         * Validates the location of a token that appears before a keyword (e.g. a newline before `else`)
+         * @param {Token} curlyToken The closing curly token. This is assumed to precede a keyword token (such as `else` or `finally`).
+         * @returns {void}
+         */
+        function validateCurlyBeforeKeyword(curlyToken) {
+            const keywordToken = sourceCode.getTokenAfter(curlyToken);
+
+            if (style === "1tbs" && !astUtils.isTokenOnSameLine(curlyToken, keywordToken)) {
+                context.report({
+                    node: curlyToken,
+                    messageId: "nextLineClose",
+                    fix: removeNewlineBetween(curlyToken, keywordToken)
+                });
+            }
+
+            if (style !== "1tbs" && astUtils.isTokenOnSameLine(curlyToken, keywordToken)) {
+                context.report({
+                    node: curlyToken,
+                    messageId: "sameLineClose",
+                    fix: fixer => fixer.insertTextAfter(curlyToken, "\n")
+                });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            BlockStatement(node) {
+                if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+                    validateCurlyPair(sourceCode.getFirstToken(node), sourceCode.getLastToken(node));
+                }
+            },
+            ClassBody(node) {
+                validateCurlyPair(sourceCode.getFirstToken(node), sourceCode.getLastToken(node));
+            },
+            SwitchStatement(node) {
+                const closingCurly = sourceCode.getLastToken(node);
+                const openingCurly = sourceCode.getTokenBefore(node.cases.length ? node.cases[0] : closingCurly);
+
+                validateCurlyPair(openingCurly, closingCurly);
+            },
+            IfStatement(node) {
+                if (node.consequent.type === "BlockStatement" && node.alternate) {
+
+                    // Handle the keyword after the `if` block (before `else`)
+                    validateCurlyBeforeKeyword(sourceCode.getLastToken(node.consequent));
+                }
+            },
+            TryStatement(node) {
+
+                // Handle the keyword after the `try` block (before `catch` or `finally`)
+                validateCurlyBeforeKeyword(sourceCode.getLastToken(node.block));
+
+                if (node.handler && node.finalizer) {
+
+                    // Handle the keyword after the `catch` block (before `finally`)
+                    validateCurlyBeforeKeyword(sourceCode.getLastToken(node.handler.body));
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/callback-return.js b/eslint/lib/rules/callback-return.js
new file mode 100644
index 0000000..c5263cd
--- /dev/null
+++ b/eslint/lib/rules/callback-return.js
@@ -0,0 +1,182 @@
+/**
+ * @fileoverview Enforce return after a callback.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `return` statements after callbacks",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/callback-return"
+        },
+
+        schema: [{
+            type: "array",
+            items: { type: "string" }
+        }],
+
+        messages: {
+            missingReturn: "Expected return with your callback function."
+        }
+    },
+
+    create(context) {
+
+        const callbacks = context.options[0] || ["callback", "cb", "next"],
+            sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Find the closest parent matching a list of types.
+         * @param {ASTNode} node The node whose parents we are searching
+         * @param {Array} types The node types to match
+         * @returns {ASTNode} The matched node or undefined.
+         */
+        function findClosestParentOfType(node, types) {
+            if (!node.parent) {
+                return null;
+            }
+            if (types.indexOf(node.parent.type) === -1) {
+                return findClosestParentOfType(node.parent, types);
+            }
+            return node.parent;
+        }
+
+        /**
+         * Check to see if a node contains only identifers
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} Whether or not the node contains only identifers
+         */
+        function containsOnlyIdentifiers(node) {
+            if (node.type === "Identifier") {
+                return true;
+            }
+
+            if (node.type === "MemberExpression") {
+                if (node.object.type === "Identifier") {
+                    return true;
+                }
+                if (node.object.type === "MemberExpression") {
+                    return containsOnlyIdentifiers(node.object);
+                }
+            }
+
+            return false;
+        }
+
+        /**
+         * Check to see if a CallExpression is in our callback list.
+         * @param {ASTNode} node The node to check against our callback names list.
+         * @returns {boolean} Whether or not this function matches our callback name.
+         */
+        function isCallback(node) {
+            return containsOnlyIdentifiers(node.callee) && callbacks.indexOf(sourceCode.getText(node.callee)) > -1;
+        }
+
+        /**
+         * Determines whether or not the callback is part of a callback expression.
+         * @param {ASTNode} node The callback node
+         * @param {ASTNode} parentNode The expression node
+         * @returns {boolean} Whether or not this is part of a callback expression
+         */
+        function isCallbackExpression(node, parentNode) {
+
+            // ensure the parent node exists and is an expression
+            if (!parentNode || parentNode.type !== "ExpressionStatement") {
+                return false;
+            }
+
+            // cb()
+            if (parentNode.expression === node) {
+                return true;
+            }
+
+            // special case for cb && cb() and similar
+            if (parentNode.expression.type === "BinaryExpression" || parentNode.expression.type === "LogicalExpression") {
+                if (parentNode.expression.right === node) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            CallExpression(node) {
+
+                // if we're not a callback we can return
+                if (!isCallback(node)) {
+                    return;
+                }
+
+                // find the closest block, return or loop
+                const closestBlock = findClosestParentOfType(node, ["BlockStatement", "ReturnStatement", "ArrowFunctionExpression"]) || {};
+
+                // if our parent is a return we know we're ok
+                if (closestBlock.type === "ReturnStatement") {
+                    return;
+                }
+
+                // arrow functions don't always have blocks and implicitly return
+                if (closestBlock.type === "ArrowFunctionExpression") {
+                    return;
+                }
+
+                // block statements are part of functions and most if statements
+                if (closestBlock.type === "BlockStatement") {
+
+                    // find the last item in the block
+                    const lastItem = closestBlock.body[closestBlock.body.length - 1];
+
+                    // if the callback is the last thing in a block that might be ok
+                    if (isCallbackExpression(node, lastItem)) {
+
+                        const parentType = closestBlock.parent.type;
+
+                        // but only if the block is part of a function
+                        if (parentType === "FunctionExpression" ||
+                            parentType === "FunctionDeclaration" ||
+                            parentType === "ArrowFunctionExpression"
+                        ) {
+                            return;
+                        }
+
+                    }
+
+                    // ending a block with a return is also ok
+                    if (lastItem.type === "ReturnStatement") {
+
+                        // but only if the callback is immediately before
+                        if (isCallbackExpression(node, closestBlock.body[closestBlock.body.length - 2])) {
+                            return;
+                        }
+                    }
+
+                }
+
+                // as long as you're the child of a function at this point you should be asked to return
+                if (findClosestParentOfType(node, ["FunctionDeclaration", "FunctionExpression", "ArrowFunctionExpression"])) {
+                    context.report({ node, messageId: "missingReturn" });
+                }
+
+            }
+
+        };
+    }
+};
diff --git a/eslint/lib/rules/camelcase.js b/eslint/lib/rules/camelcase.js
new file mode 100644
index 0000000..0436083
--- /dev/null
+++ b/eslint/lib/rules/camelcase.js
@@ -0,0 +1,278 @@
+/**
+ * @fileoverview Rule to flag non-camelcased identifiers
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce camelcase naming convention",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/camelcase"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    ignoreDestructuring: {
+                        type: "boolean",
+                        default: false
+                    },
+                    ignoreImports: {
+                        type: "boolean",
+                        default: false
+                    },
+                    properties: {
+                        enum: ["always", "never"]
+                    },
+                    allow: {
+                        type: "array",
+                        items: [
+                            {
+                                type: "string"
+                            }
+                        ],
+                        minItems: 0,
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            notCamelCase: "Identifier '{{name}}' is not in camel case."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0] || {};
+        let properties = options.properties || "";
+        const ignoreDestructuring = options.ignoreDestructuring;
+        const ignoreImports = options.ignoreImports;
+        const allow = options.allow || [];
+
+        if (properties !== "always" && properties !== "never") {
+            properties = "always";
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // contains reported nodes to avoid reporting twice on destructuring with shorthand notation
+        const reported = [];
+        const ALLOWED_PARENT_TYPES = new Set(["CallExpression", "NewExpression"]);
+
+        /**
+         * Checks if a string contains an underscore and isn't all upper-case
+         * @param {string} name The string to check.
+         * @returns {boolean} if the string is underscored
+         * @private
+         */
+        function isUnderscored(name) {
+
+            // if there's an underscore, it might be A_CONSTANT, which is okay
+            return name.includes("_") && name !== name.toUpperCase();
+        }
+
+        /**
+         * Checks if a string match the ignore list
+         * @param {string} name The string to check.
+         * @returns {boolean} if the string is ignored
+         * @private
+         */
+        function isAllowed(name) {
+            return allow.some(
+                entry => name === entry || name.match(new RegExp(entry, "u"))
+            );
+        }
+
+        /**
+         * Checks if a parent of a node is an ObjectPattern.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} if the node is inside an ObjectPattern
+         * @private
+         */
+        function isInsideObjectPattern(node) {
+            let current = node;
+
+            while (current) {
+                const parent = current.parent;
+
+                if (parent && parent.type === "Property" && parent.computed && parent.key === current) {
+                    return false;
+                }
+
+                if (current.type === "ObjectPattern") {
+                    return true;
+                }
+
+                current = parent;
+            }
+
+            return false;
+        }
+
+        /**
+         * Checks whether the given node represents assignment target property in destructuring.
+         *
+         * For examples:
+         *    ({a: b.foo} = c);  // => true for `foo`
+         *    ([a.foo] = b);     // => true for `foo`
+         *    ([a.foo = 1] = b); // => true for `foo`
+         *    ({...a.foo} = b);  // => true for `foo`
+         * @param {ASTNode} node An Identifier node to check
+         * @returns {boolean} True if the node is an assignment target property in destructuring.
+         */
+        function isAssignmentTargetPropertyInDestructuring(node) {
+            if (
+                node.parent.type === "MemberExpression" &&
+                node.parent.property === node &&
+                !node.parent.computed
+            ) {
+                const effectiveParent = node.parent.parent;
+
+                return (
+                    effectiveParent.type === "Property" &&
+                    effectiveParent.value === node.parent &&
+                    effectiveParent.parent.type === "ObjectPattern" ||
+                    effectiveParent.type === "ArrayPattern" ||
+                    effectiveParent.type === "RestElement" ||
+                    (
+                        effectiveParent.type === "AssignmentPattern" &&
+                        effectiveParent.left === node.parent
+                    )
+                );
+            }
+            return false;
+        }
+
+        /**
+         * Reports an AST node as a rule violation.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            if (!reported.includes(node)) {
+                reported.push(node);
+                context.report({ node, messageId: "notCamelCase", data: { name: node.name } });
+            }
+        }
+
+        return {
+
+            Identifier(node) {
+
+                /*
+                 * Leading and trailing underscores are commonly used to flag
+                 * private/protected identifiers, strip them before checking if underscored
+                 */
+                const name = node.name,
+                    nameIsUnderscored = isUnderscored(name.replace(/^_+|_+$/gu, "")),
+                    effectiveParent = (node.parent.type === "MemberExpression") ? node.parent.parent : node.parent;
+
+                // First, we ignore the node if it match the ignore list
+                if (isAllowed(name)) {
+                    return;
+                }
+
+                // MemberExpressions get special rules
+                if (node.parent.type === "MemberExpression") {
+
+                    // "never" check properties
+                    if (properties === "never") {
+                        return;
+                    }
+
+                    // Always report underscored object names
+                    if (node.parent.object.type === "Identifier" && node.parent.object.name === node.name && nameIsUnderscored) {
+                        report(node);
+
+                    // Report AssignmentExpressions only if they are the left side of the assignment
+                    } else if (effectiveParent.type === "AssignmentExpression" && nameIsUnderscored && (effectiveParent.right.type !== "MemberExpression" || effectiveParent.left.type === "MemberExpression" && effectiveParent.left.property.name === node.name)) {
+                        report(node);
+
+                    } else if (isAssignmentTargetPropertyInDestructuring(node) && nameIsUnderscored) {
+                        report(node);
+                    }
+
+                /*
+                 * Properties have their own rules, and
+                 * AssignmentPattern nodes can be treated like Properties:
+                 * e.g.: const { no_camelcased = false } = bar;
+                 */
+                } else if (node.parent.type === "Property" || node.parent.type === "AssignmentPattern") {
+
+                    if (node.parent.parent && node.parent.parent.type === "ObjectPattern") {
+                        if (node.parent.shorthand && node.parent.value.left && nameIsUnderscored) {
+                            report(node);
+                        }
+
+                        const assignmentKeyEqualsValue = node.parent.key.name === node.parent.value.name;
+
+                        if (nameIsUnderscored && node.parent.computed) {
+                            report(node);
+                        }
+
+                        // prevent checking righthand side of destructured object
+                        if (node.parent.key === node && node.parent.value !== node) {
+                            return;
+                        }
+
+                        const valueIsUnderscored = node.parent.value.name && nameIsUnderscored;
+
+                        // ignore destructuring if the option is set, unless a new identifier is created
+                        if (valueIsUnderscored && !(assignmentKeyEqualsValue && ignoreDestructuring)) {
+                            report(node);
+                        }
+                    }
+
+                    // "never" check properties or always ignore destructuring
+                    if (properties === "never" || (ignoreDestructuring && isInsideObjectPattern(node))) {
+                        return;
+                    }
+
+                    // don't check right hand side of AssignmentExpression to prevent duplicate warnings
+                    if (nameIsUnderscored && !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && !(node.parent.right === node)) {
+                        report(node);
+                    }
+
+                // Check if it's an import specifier
+                } else if (["ImportSpecifier", "ImportNamespaceSpecifier", "ImportDefaultSpecifier"].includes(node.parent.type)) {
+
+                    if (node.parent.type === "ImportSpecifier" && ignoreImports) {
+                        return;
+                    }
+
+                    // Report only if the local imported identifier is underscored
+                    if (
+                        node.parent.local &&
+                        node.parent.local.name === node.name &&
+                        nameIsUnderscored
+                    ) {
+                        report(node);
+                    }
+
+                // Report anything that is underscored that isn't a CallExpression
+                } else if (nameIsUnderscored && !ALLOWED_PARENT_TYPES.has(effectiveParent.type)) {
+                    report(node);
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/capitalized-comments.js b/eslint/lib/rules/capitalized-comments.js
new file mode 100644
index 0000000..d7524b8
--- /dev/null
+++ b/eslint/lib/rules/capitalized-comments.js
@@ -0,0 +1,300 @@
+/**
+ * @fileoverview enforce or disallow capitalization of the first letter of a comment
+ * @author Kevin Partington
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const LETTER_PATTERN = require("./utils/patterns/letters");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_IGNORE_PATTERN = astUtils.COMMENTS_IGNORE_PATTERN,
+    WHITESPACE = /\s/gu,
+    MAYBE_URL = /^\s*[^:/?#\s]+:\/\/[^?#]/u; // TODO: Combine w/ max-len pattern?
+
+/*
+ * Base schema body for defining the basic capitalization rule, ignorePattern,
+ * and ignoreInlineComments values.
+ * This can be used in a few different ways in the actual schema.
+ */
+const SCHEMA_BODY = {
+    type: "object",
+    properties: {
+        ignorePattern: {
+            type: "string"
+        },
+        ignoreInlineComments: {
+            type: "boolean"
+        },
+        ignoreConsecutiveComments: {
+            type: "boolean"
+        }
+    },
+    additionalProperties: false
+};
+const DEFAULTS = {
+    ignorePattern: "",
+    ignoreInlineComments: false,
+    ignoreConsecutiveComments: false
+};
+
+/**
+ * Get normalized options for either block or line comments from the given
+ * user-provided options.
+ * - If the user-provided options is just a string, returns a normalized
+ *   set of options using default values for all other options.
+ * - If the user-provided options is an object, then a normalized option
+ *   set is returned. Options specified in overrides will take priority
+ *   over options specified in the main options object, which will in
+ *   turn take priority over the rule's defaults.
+ * @param {Object|string} rawOptions The user-provided options.
+ * @param {string} which Either "line" or "block".
+ * @returns {Object} The normalized options.
+ */
+function getNormalizedOptions(rawOptions, which) {
+    return Object.assign({}, DEFAULTS, rawOptions[which] || rawOptions);
+}
+
+/**
+ * Get normalized options for block and line comments.
+ * @param {Object|string} rawOptions The user-provided options.
+ * @returns {Object} An object with "Line" and "Block" keys and corresponding
+ * normalized options objects.
+ */
+function getAllNormalizedOptions(rawOptions = {}) {
+    return {
+        Line: getNormalizedOptions(rawOptions, "line"),
+        Block: getNormalizedOptions(rawOptions, "block")
+    };
+}
+
+/**
+ * Creates a regular expression for each ignorePattern defined in the rule
+ * options.
+ *
+ * This is done in order to avoid invoking the RegExp constructor repeatedly.
+ * @param {Object} normalizedOptions The normalized rule options.
+ * @returns {void}
+ */
+function createRegExpForIgnorePatterns(normalizedOptions) {
+    Object.keys(normalizedOptions).forEach(key => {
+        const ignorePatternStr = normalizedOptions[key].ignorePattern;
+
+        if (ignorePatternStr) {
+            const regExp = RegExp(`^\\s*(?:${ignorePatternStr})`, "u");
+
+            normalizedOptions[key].ignorePatternRegExp = regExp;
+        }
+    });
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce or disallow capitalization of the first letter of a comment",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/capitalized-comments"
+        },
+
+        fixable: "code",
+
+        schema: [
+            { enum: ["always", "never"] },
+            {
+                oneOf: [
+                    SCHEMA_BODY,
+                    {
+                        type: "object",
+                        properties: {
+                            line: SCHEMA_BODY,
+                            block: SCHEMA_BODY
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unexpectedLowercaseComment: "Comments should not begin with a lowercase character.",
+            unexpectedUppercaseComment: "Comments should not begin with an uppercase character."
+        }
+    },
+
+    create(context) {
+
+        const capitalize = context.options[0] || "always",
+            normalizedOptions = getAllNormalizedOptions(context.options[1]),
+            sourceCode = context.getSourceCode();
+
+        createRegExpForIgnorePatterns(normalizedOptions);
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Checks whether a comment is an inline comment.
+         *
+         * For the purpose of this rule, a comment is inline if:
+         * 1. The comment is preceded by a token on the same line; and
+         * 2. The command is followed by a token on the same line.
+         *
+         * Note that the comment itself need not be single-line!
+         *
+         * Also, it follows from this definition that only block comments can
+         * be considered as possibly inline. This is because line comments
+         * would consume any following tokens on the same line as the comment.
+         * @param {ASTNode} comment The comment node to check.
+         * @returns {boolean} True if the comment is an inline comment, false
+         * otherwise.
+         */
+        function isInlineComment(comment) {
+            const previousToken = sourceCode.getTokenBefore(comment, { includeComments: true }),
+                nextToken = sourceCode.getTokenAfter(comment, { includeComments: true });
+
+            return Boolean(
+                previousToken &&
+                nextToken &&
+                comment.loc.start.line === previousToken.loc.end.line &&
+                comment.loc.end.line === nextToken.loc.start.line
+            );
+        }
+
+        /**
+         * Determine if a comment follows another comment.
+         * @param {ASTNode} comment The comment to check.
+         * @returns {boolean} True if the comment follows a valid comment.
+         */
+        function isConsecutiveComment(comment) {
+            const previousTokenOrComment = sourceCode.getTokenBefore(comment, { includeComments: true });
+
+            return Boolean(
+                previousTokenOrComment &&
+                ["Block", "Line"].indexOf(previousTokenOrComment.type) !== -1
+            );
+        }
+
+        /**
+         * Check a comment to determine if it is valid for this rule.
+         * @param {ASTNode} comment The comment node to process.
+         * @param {Object} options The options for checking this comment.
+         * @returns {boolean} True if the comment is valid, false otherwise.
+         */
+        function isCommentValid(comment, options) {
+
+            // 1. Check for default ignore pattern.
+            if (DEFAULT_IGNORE_PATTERN.test(comment.value)) {
+                return true;
+            }
+
+            // 2. Check for custom ignore pattern.
+            const commentWithoutAsterisks = comment.value
+                .replace(/\*/gu, "");
+
+            if (options.ignorePatternRegExp && options.ignorePatternRegExp.test(commentWithoutAsterisks)) {
+                return true;
+            }
+
+            // 3. Check for inline comments.
+            if (options.ignoreInlineComments && isInlineComment(comment)) {
+                return true;
+            }
+
+            // 4. Is this a consecutive comment (and are we tolerating those)?
+            if (options.ignoreConsecutiveComments && isConsecutiveComment(comment)) {
+                return true;
+            }
+
+            // 5. Does the comment start with a possible URL?
+            if (MAYBE_URL.test(commentWithoutAsterisks)) {
+                return true;
+            }
+
+            // 6. Is the initial word character a letter?
+            const commentWordCharsOnly = commentWithoutAsterisks
+                .replace(WHITESPACE, "");
+
+            if (commentWordCharsOnly.length === 0) {
+                return true;
+            }
+
+            const firstWordChar = commentWordCharsOnly[0];
+
+            if (!LETTER_PATTERN.test(firstWordChar)) {
+                return true;
+            }
+
+            // 7. Check the case of the initial word character.
+            const isUppercase = firstWordChar !== firstWordChar.toLocaleLowerCase(),
+                isLowercase = firstWordChar !== firstWordChar.toLocaleUpperCase();
+
+            if (capitalize === "always" && isLowercase) {
+                return false;
+            }
+            if (capitalize === "never" && isUppercase) {
+                return false;
+            }
+
+            return true;
+        }
+
+        /**
+         * Process a comment to determine if it needs to be reported.
+         * @param {ASTNode} comment The comment node to process.
+         * @returns {void}
+         */
+        function processComment(comment) {
+            const options = normalizedOptions[comment.type],
+                commentValid = isCommentValid(comment, options);
+
+            if (!commentValid) {
+                const messageId = capitalize === "always"
+                    ? "unexpectedLowercaseComment"
+                    : "unexpectedUppercaseComment";
+
+                context.report({
+                    node: null, // Intentionally using loc instead
+                    loc: comment.loc,
+                    messageId,
+                    fix(fixer) {
+                        const match = comment.value.match(LETTER_PATTERN);
+
+                        return fixer.replaceTextRange(
+
+                            // Offset match.index by 2 to account for the first 2 characters that start the comment (// or /*)
+                            [comment.range[0] + match.index + 2, comment.range[0] + match.index + 3],
+                            capitalize === "always" ? match[0].toLocaleUpperCase() : match[0].toLocaleLowerCase()
+                        );
+                    }
+                });
+            }
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            Program() {
+                const comments = sourceCode.getAllComments();
+
+                comments.filter(token => token.type !== "Shebang").forEach(processComment);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/class-methods-use-this.js b/eslint/lib/rules/class-methods-use-this.js
new file mode 100644
index 0000000..2cc5cc4
--- /dev/null
+++ b/eslint/lib/rules/class-methods-use-this.js
@@ -0,0 +1,125 @@
+/**
+ * @fileoverview Rule to enforce that all class methods use 'this'.
+ * @author Patrick Williams
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce that class methods utilize `this`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/class-methods-use-this"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                exceptMethods: {
+                    type: "array",
+                    items: {
+                        type: "string"
+                    }
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            missingThis: "Expected 'this' to be used by class {{name}}."
+        }
+    },
+    create(context) {
+        const config = Object.assign({}, context.options[0]);
+        const exceptMethods = new Set(config.exceptMethods || []);
+
+        const stack = [];
+
+        /**
+         * Initializes the current context to false and pushes it onto the stack.
+         * These booleans represent whether 'this' has been used in the context.
+         * @returns {void}
+         * @private
+         */
+        function enterFunction() {
+            stack.push(false);
+        }
+
+        /**
+         * Check if the node is an instance method
+         * @param {ASTNode} node node to check
+         * @returns {boolean} True if its an instance method
+         * @private
+         */
+        function isInstanceMethod(node) {
+            return !node.static && node.kind !== "constructor" && node.type === "MethodDefinition";
+        }
+
+        /**
+         * Check if the node is an instance method not excluded by config
+         * @param {ASTNode} node node to check
+         * @returns {boolean} True if it is an instance method, and not excluded by config
+         * @private
+         */
+        function isIncludedInstanceMethod(node) {
+            return isInstanceMethod(node) &&
+                (node.computed || !exceptMethods.has(node.key.name));
+        }
+
+        /**
+         * Checks if we are leaving a function that is a method, and reports if 'this' has not been used.
+         * Static methods and the constructor are exempt.
+         * Then pops the context off the stack.
+         * @param {ASTNode} node A function node that was entered.
+         * @returns {void}
+         * @private
+         */
+        function exitFunction(node) {
+            const methodUsesThis = stack.pop();
+
+            if (isIncludedInstanceMethod(node.parent) && !methodUsesThis) {
+                context.report({
+                    node,
+                    messageId: "missingThis",
+                    data: {
+                        name: astUtils.getFunctionNameWithKind(node)
+                    }
+                });
+            }
+        }
+
+        /**
+         * Mark the current context as having used 'this'.
+         * @returns {void}
+         * @private
+         */
+        function markThisUsed() {
+            if (stack.length) {
+                stack[stack.length - 1] = true;
+            }
+        }
+
+        return {
+            FunctionDeclaration: enterFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            FunctionExpression: enterFunction,
+            "FunctionExpression:exit": exitFunction,
+            ThisExpression: markThisUsed,
+            Super: markThisUsed
+        };
+    }
+};
diff --git a/eslint/lib/rules/comma-dangle.js b/eslint/lib/rules/comma-dangle.js
new file mode 100644
index 0000000..e22b7f3
--- /dev/null
+++ b/eslint/lib/rules/comma-dangle.js
@@ -0,0 +1,340 @@
+/**
+ * @fileoverview Rule to forbid or enforce dangling commas.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_OPTIONS = Object.freeze({
+    arrays: "never",
+    objects: "never",
+    imports: "never",
+    exports: "never",
+    functions: "never"
+});
+
+/**
+ * Checks whether or not a trailing comma is allowed in a given node.
+ * If the `lastItem` is `RestElement` or `RestProperty`, it disallows trailing commas.
+ * @param {ASTNode} lastItem The node of the last element in the given node.
+ * @returns {boolean} `true` if a trailing comma is allowed.
+ */
+function isTrailingCommaAllowed(lastItem) {
+    return !(
+        lastItem.type === "RestElement" ||
+        lastItem.type === "RestProperty" ||
+        lastItem.type === "ExperimentalRestProperty"
+    );
+}
+
+/**
+ * Normalize option value.
+ * @param {string|Object|undefined} optionValue The 1st option value to normalize.
+ * @param {number} ecmaVersion The normalized ECMAScript version.
+ * @returns {Object} The normalized option value.
+ */
+function normalizeOptions(optionValue, ecmaVersion) {
+    if (typeof optionValue === "string") {
+        return {
+            arrays: optionValue,
+            objects: optionValue,
+            imports: optionValue,
+            exports: optionValue,
+            functions: (!ecmaVersion || ecmaVersion < 8) ? "ignore" : optionValue
+        };
+    }
+    if (typeof optionValue === "object" && optionValue !== null) {
+        return {
+            arrays: optionValue.arrays || DEFAULT_OPTIONS.arrays,
+            objects: optionValue.objects || DEFAULT_OPTIONS.objects,
+            imports: optionValue.imports || DEFAULT_OPTIONS.imports,
+            exports: optionValue.exports || DEFAULT_OPTIONS.exports,
+            functions: optionValue.functions || DEFAULT_OPTIONS.functions
+        };
+    }
+
+    return DEFAULT_OPTIONS;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow trailing commas",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/comma-dangle"
+        },
+
+        fixable: "code",
+
+        schema: {
+            definitions: {
+                value: {
+                    enum: [
+                        "always-multiline",
+                        "always",
+                        "never",
+                        "only-multiline"
+                    ]
+                },
+                valueWithIgnore: {
+                    enum: [
+                        "always-multiline",
+                        "always",
+                        "ignore",
+                        "never",
+                        "only-multiline"
+                    ]
+                }
+            },
+            type: "array",
+            items: [
+                {
+                    oneOf: [
+                        {
+                            $ref: "#/definitions/value"
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                arrays: { $ref: "#/definitions/valueWithIgnore" },
+                                objects: { $ref: "#/definitions/valueWithIgnore" },
+                                imports: { $ref: "#/definitions/valueWithIgnore" },
+                                exports: { $ref: "#/definitions/valueWithIgnore" },
+                                functions: { $ref: "#/definitions/valueWithIgnore" }
+                            },
+                            additionalProperties: false
+                        }
+                    ]
+                }
+            ]
+        },
+
+        messages: {
+            unexpected: "Unexpected trailing comma.",
+            missing: "Missing trailing comma."
+        }
+    },
+
+    create(context) {
+        const options = normalizeOptions(context.options[0], context.parserOptions.ecmaVersion);
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Gets the last item of the given node.
+         * @param {ASTNode} node The node to get.
+         * @returns {ASTNode|null} The last node or null.
+         */
+        function getLastItem(node) {
+            switch (node.type) {
+                case "ObjectExpression":
+                case "ObjectPattern":
+                    return lodash.last(node.properties);
+                case "ArrayExpression":
+                case "ArrayPattern":
+                    return lodash.last(node.elements);
+                case "ImportDeclaration":
+                case "ExportNamedDeclaration":
+                    return lodash.last(node.specifiers);
+                case "FunctionDeclaration":
+                case "FunctionExpression":
+                case "ArrowFunctionExpression":
+                    return lodash.last(node.params);
+                case "CallExpression":
+                case "NewExpression":
+                    return lodash.last(node.arguments);
+                default:
+                    return null;
+            }
+        }
+
+        /**
+         * Gets the trailing comma token of the given node.
+         * If the trailing comma does not exist, this returns the token which is
+         * the insertion point of the trailing comma token.
+         * @param {ASTNode} node The node to get.
+         * @param {ASTNode} lastItem The last item of the node.
+         * @returns {Token} The trailing comma token or the insertion point.
+         */
+        function getTrailingToken(node, lastItem) {
+            switch (node.type) {
+                case "ObjectExpression":
+                case "ArrayExpression":
+                case "CallExpression":
+                case "NewExpression":
+                    return sourceCode.getLastToken(node, 1);
+                default: {
+                    const nextToken = sourceCode.getTokenAfter(lastItem);
+
+                    if (astUtils.isCommaToken(nextToken)) {
+                        return nextToken;
+                    }
+                    return sourceCode.getLastToken(lastItem);
+                }
+            }
+        }
+
+        /**
+         * Checks whether or not a given node is multiline.
+         * This rule handles a given node as multiline when the closing parenthesis
+         * and the last element are not on the same line.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} `true` if the node is multiline.
+         */
+        function isMultiline(node) {
+            const lastItem = getLastItem(node);
+
+            if (!lastItem) {
+                return false;
+            }
+
+            const penultimateToken = getTrailingToken(node, lastItem);
+            const lastToken = sourceCode.getTokenAfter(penultimateToken);
+
+            return lastToken.loc.end.line !== penultimateToken.loc.end.line;
+        }
+
+        /**
+         * Reports a trailing comma if it exists.
+         * @param {ASTNode} node A node to check. Its type is one of
+         *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+         *   ImportDeclaration, and ExportNamedDeclaration.
+         * @returns {void}
+         */
+        function forbidTrailingComma(node) {
+            const lastItem = getLastItem(node);
+
+            if (!lastItem || (node.type === "ImportDeclaration" && lastItem.type !== "ImportSpecifier")) {
+                return;
+            }
+
+            const trailingToken = getTrailingToken(node, lastItem);
+
+            if (astUtils.isCommaToken(trailingToken)) {
+                context.report({
+                    node: lastItem,
+                    loc: trailingToken.loc,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        return fixer.remove(trailingToken);
+                    }
+                });
+            }
+        }
+
+        /**
+         * Reports the last element of a given node if it does not have a trailing
+         * comma.
+         *
+         * If a given node is `ArrayPattern` which has `RestElement`, the trailing
+         * comma is disallowed, so report if it exists.
+         * @param {ASTNode} node A node to check. Its type is one of
+         *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+         *   ImportDeclaration, and ExportNamedDeclaration.
+         * @returns {void}
+         */
+        function forceTrailingComma(node) {
+            const lastItem = getLastItem(node);
+
+            if (!lastItem || (node.type === "ImportDeclaration" && lastItem.type !== "ImportSpecifier")) {
+                return;
+            }
+            if (!isTrailingCommaAllowed(lastItem)) {
+                forbidTrailingComma(node);
+                return;
+            }
+
+            const trailingToken = getTrailingToken(node, lastItem);
+
+            if (trailingToken.value !== ",") {
+                context.report({
+                    node: lastItem,
+                    loc: {
+                        start: trailingToken.loc.end,
+                        end: astUtils.getNextLocation(sourceCode, trailingToken.loc.end)
+                    },
+                    messageId: "missing",
+                    fix(fixer) {
+                        return fixer.insertTextAfter(trailingToken, ",");
+                    }
+                });
+            }
+        }
+
+        /**
+         * If a given node is multiline, reports the last element of a given node
+         * when it does not have a trailing comma.
+         * Otherwise, reports a trailing comma if it exists.
+         * @param {ASTNode} node A node to check. Its type is one of
+         *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+         *   ImportDeclaration, and ExportNamedDeclaration.
+         * @returns {void}
+         */
+        function forceTrailingCommaIfMultiline(node) {
+            if (isMultiline(node)) {
+                forceTrailingComma(node);
+            } else {
+                forbidTrailingComma(node);
+            }
+        }
+
+        /**
+         * Only if a given node is not multiline, reports the last element of a given node
+         * when it does not have a trailing comma.
+         * Otherwise, reports a trailing comma if it exists.
+         * @param {ASTNode} node A node to check. Its type is one of
+         *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+         *   ImportDeclaration, and ExportNamedDeclaration.
+         * @returns {void}
+         */
+        function allowTrailingCommaIfMultiline(node) {
+            if (!isMultiline(node)) {
+                forbidTrailingComma(node);
+            }
+        }
+
+        const predicate = {
+            always: forceTrailingComma,
+            "always-multiline": forceTrailingCommaIfMultiline,
+            "only-multiline": allowTrailingCommaIfMultiline,
+            never: forbidTrailingComma,
+            ignore: lodash.noop
+        };
+
+        return {
+            ObjectExpression: predicate[options.objects],
+            ObjectPattern: predicate[options.objects],
+
+            ArrayExpression: predicate[options.arrays],
+            ArrayPattern: predicate[options.arrays],
+
+            ImportDeclaration: predicate[options.imports],
+
+            ExportNamedDeclaration: predicate[options.exports],
+
+            FunctionDeclaration: predicate[options.functions],
+            FunctionExpression: predicate[options.functions],
+            ArrowFunctionExpression: predicate[options.functions],
+            CallExpression: predicate[options.functions],
+            NewExpression: predicate[options.functions]
+        };
+    }
+};
diff --git a/eslint/lib/rules/comma-spacing.js b/eslint/lib/rules/comma-spacing.js
new file mode 100644
index 0000000..73c10a7
--- /dev/null
+++ b/eslint/lib/rules/comma-spacing.js
@@ -0,0 +1,195 @@
+/**
+ * @fileoverview Comma spacing - validates spacing before and after comma
+ * @author Vignesh Anand aka vegetableman.
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before and after commas",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/comma-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: {
+                        type: "boolean",
+                        default: false
+                    },
+                    after: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            missing: "A space is required {{loc}} ','.",
+            unexpected: "There should be no space {{loc}} ','."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+        const tokensAndComments = sourceCode.tokensAndComments;
+
+        const options = {
+            before: context.options[0] ? context.options[0].before : false,
+            after: context.options[0] ? context.options[0].after : true
+        };
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // list of comma tokens to ignore for the check of leading whitespace
+        const commaTokensToIgnore = [];
+
+        /**
+         * Reports a spacing error with an appropriate message.
+         * @param {ASTNode} node The binary expression node to report.
+         * @param {string} loc Is the error "before" or "after" the comma?
+         * @param {ASTNode} otherNode The node at the left or right of `node`
+         * @returns {void}
+         * @private
+         */
+        function report(node, loc, otherNode) {
+            context.report({
+                node,
+                fix(fixer) {
+                    if (options[loc]) {
+                        if (loc === "before") {
+                            return fixer.insertTextBefore(node, " ");
+                        }
+                        return fixer.insertTextAfter(node, " ");
+
+                    }
+                    let start, end;
+                    const newText = "";
+
+                    if (loc === "before") {
+                        start = otherNode.range[1];
+                        end = node.range[0];
+                    } else {
+                        start = node.range[1];
+                        end = otherNode.range[0];
+                    }
+
+                    return fixer.replaceTextRange([start, end], newText);
+
+                },
+                messageId: options[loc] ? "missing" : "unexpected",
+                data: {
+                    loc
+                }
+            });
+        }
+
+        /**
+         * Validates the spacing around a comma token.
+         * @param {Object} tokens The tokens to be validated.
+         * @param {Token} tokens.comma The token representing the comma.
+         * @param {Token} [tokens.left] The last token before the comma.
+         * @param {Token} [tokens.right] The first token after the comma.
+         * @param {Token|ASTNode} reportItem The item to use when reporting an error.
+         * @returns {void}
+         * @private
+         */
+        function validateCommaItemSpacing(tokens, reportItem) {
+            if (tokens.left && astUtils.isTokenOnSameLine(tokens.left, tokens.comma) &&
+                    (options.before !== sourceCode.isSpaceBetweenTokens(tokens.left, tokens.comma))
+            ) {
+                report(reportItem, "before", tokens.left);
+            }
+
+            if (tokens.right && astUtils.isClosingParenToken(tokens.right)) {
+                return;
+            }
+
+            if (tokens.right && !options.after && tokens.right.type === "Line") {
+                return;
+            }
+
+            if (tokens.right && astUtils.isTokenOnSameLine(tokens.comma, tokens.right) &&
+                    (options.after !== sourceCode.isSpaceBetweenTokens(tokens.comma, tokens.right))
+            ) {
+                report(reportItem, "after", tokens.right);
+            }
+        }
+
+        /**
+         * Adds null elements of the given ArrayExpression or ArrayPattern node to the ignore list.
+         * @param {ASTNode} node An ArrayExpression or ArrayPattern node.
+         * @returns {void}
+         */
+        function addNullElementsToIgnoreList(node) {
+            let previousToken = sourceCode.getFirstToken(node);
+
+            node.elements.forEach(element => {
+                let token;
+
+                if (element === null) {
+                    token = sourceCode.getTokenAfter(previousToken);
+
+                    if (astUtils.isCommaToken(token)) {
+                        commaTokensToIgnore.push(token);
+                    }
+                } else {
+                    token = sourceCode.getTokenAfter(element);
+                }
+
+                previousToken = token;
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            "Program:exit"() {
+                tokensAndComments.forEach((token, i) => {
+
+                    if (!astUtils.isCommaToken(token)) {
+                        return;
+                    }
+
+                    if (token && token.type === "JSXText") {
+                        return;
+                    }
+
+                    const previousToken = tokensAndComments[i - 1];
+                    const nextToken = tokensAndComments[i + 1];
+
+                    validateCommaItemSpacing({
+                        comma: token,
+                        left: astUtils.isCommaToken(previousToken) || commaTokensToIgnore.indexOf(token) > -1 ? null : previousToken,
+                        right: astUtils.isCommaToken(nextToken) ? null : nextToken
+                    }, token);
+                });
+            },
+            ArrayExpression: addNullElementsToIgnoreList,
+            ArrayPattern: addNullElementsToIgnoreList
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/comma-style.js b/eslint/lib/rules/comma-style.js
new file mode 100644
index 0000000..bc22f05
--- /dev/null
+++ b/eslint/lib/rules/comma-style.js
@@ -0,0 +1,315 @@
+/**
+ * @fileoverview Comma style - enforces comma styles of two types: last and first
+ * @author Vignesh Anand aka vegetableman
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent comma style",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/comma-style"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                enum: ["first", "last"]
+            },
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "object",
+                        additionalProperties: {
+                            type: "boolean"
+                        }
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedLineBeforeAndAfterComma: "Bad line breaking before and after ','.",
+            expectedCommaFirst: "',' should be placed first.",
+            expectedCommaLast: "',' should be placed last."
+        }
+    },
+
+    create(context) {
+        const style = context.options[0] || "last",
+            sourceCode = context.getSourceCode();
+        const exceptions = {
+            ArrayPattern: true,
+            ArrowFunctionExpression: true,
+            CallExpression: true,
+            FunctionDeclaration: true,
+            FunctionExpression: true,
+            ImportDeclaration: true,
+            ObjectPattern: true,
+            NewExpression: true
+        };
+
+        if (context.options.length === 2 && Object.prototype.hasOwnProperty.call(context.options[1], "exceptions")) {
+            const keys = Object.keys(context.options[1].exceptions);
+
+            for (let i = 0; i < keys.length; i++) {
+                exceptions[keys[i]] = context.options[1].exceptions[keys[i]];
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Modified text based on the style
+         * @param {string} styleType Style type
+         * @param {string} text Source code text
+         * @returns {string} modified text
+         * @private
+         */
+        function getReplacedText(styleType, text) {
+            switch (styleType) {
+                case "between":
+                    return `,${text.replace(astUtils.LINEBREAK_MATCHER, "")}`;
+
+                case "first":
+                    return `${text},`;
+
+                case "last":
+                    return `,${text}`;
+
+                default:
+                    return "";
+            }
+        }
+
+        /**
+         * Determines the fixer function for a given style.
+         * @param {string} styleType comma style
+         * @param {ASTNode} previousItemToken The token to check.
+         * @param {ASTNode} commaToken The token to check.
+         * @param {ASTNode} currentItemToken The token to check.
+         * @returns {Function} Fixer function
+         * @private
+         */
+        function getFixerFunction(styleType, previousItemToken, commaToken, currentItemToken) {
+            const text =
+                sourceCode.text.slice(previousItemToken.range[1], commaToken.range[0]) +
+                sourceCode.text.slice(commaToken.range[1], currentItemToken.range[0]);
+            const range = [previousItemToken.range[1], currentItemToken.range[0]];
+
+            return function(fixer) {
+                return fixer.replaceTextRange(range, getReplacedText(styleType, text));
+            };
+        }
+
+        /**
+         * Validates the spacing around single items in lists.
+         * @param {Token} previousItemToken The last token from the previous item.
+         * @param {Token} commaToken The token representing the comma.
+         * @param {Token} currentItemToken The first token of the current item.
+         * @param {Token} reportItem The item to use when reporting an error.
+         * @returns {void}
+         * @private
+         */
+        function validateCommaItemSpacing(previousItemToken, commaToken, currentItemToken, reportItem) {
+
+            // if single line
+            if (astUtils.isTokenOnSameLine(commaToken, currentItemToken) &&
+                    astUtils.isTokenOnSameLine(previousItemToken, commaToken)) {
+
+                // do nothing.
+
+            } else if (!astUtils.isTokenOnSameLine(commaToken, currentItemToken) &&
+                    !astUtils.isTokenOnSameLine(previousItemToken, commaToken)) {
+
+                const comment = sourceCode.getCommentsAfter(commaToken)[0];
+                const styleType = comment && comment.type === "Block" && astUtils.isTokenOnSameLine(commaToken, comment)
+                    ? style
+                    : "between";
+
+                // lone comma
+                context.report({
+                    node: reportItem,
+                    loc: {
+                        line: commaToken.loc.end.line,
+                        column: commaToken.loc.start.column
+                    },
+                    messageId: "unexpectedLineBeforeAndAfterComma",
+                    fix: getFixerFunction(styleType, previousItemToken, commaToken, currentItemToken)
+                });
+
+            } else if (style === "first" && !astUtils.isTokenOnSameLine(commaToken, currentItemToken)) {
+
+                context.report({
+                    node: reportItem,
+                    messageId: "expectedCommaFirst",
+                    fix: getFixerFunction(style, previousItemToken, commaToken, currentItemToken)
+                });
+
+            } else if (style === "last" && astUtils.isTokenOnSameLine(commaToken, currentItemToken)) {
+
+                context.report({
+                    node: reportItem,
+                    loc: {
+                        line: commaToken.loc.end.line,
+                        column: commaToken.loc.end.column
+                    },
+                    messageId: "expectedCommaLast",
+                    fix: getFixerFunction(style, previousItemToken, commaToken, currentItemToken)
+                });
+            }
+        }
+
+        /**
+         * Checks the comma placement with regards to a declaration/property/element
+         * @param {ASTNode} node The binary expression node to check
+         * @param {string} property The property of the node containing child nodes.
+         * @private
+         * @returns {void}
+         */
+        function validateComma(node, property) {
+            const items = node[property],
+                arrayLiteral = (node.type === "ArrayExpression" || node.type === "ArrayPattern");
+
+            if (items.length > 1 || arrayLiteral) {
+
+                // seed as opening [
+                let previousItemToken = sourceCode.getFirstToken(node);
+
+                items.forEach(item => {
+                    const commaToken = item ? sourceCode.getTokenBefore(item) : previousItemToken,
+                        currentItemToken = item ? sourceCode.getFirstToken(item) : sourceCode.getTokenAfter(commaToken),
+                        reportItem = item || currentItemToken;
+
+                    /*
+                     * This works by comparing three token locations:
+                     * - previousItemToken is the last token of the previous item
+                     * - commaToken is the location of the comma before the current item
+                     * - currentItemToken is the first token of the current item
+                     *
+                     * These values get switched around if item is undefined.
+                     * previousItemToken will refer to the last token not belonging
+                     * to the current item, which could be a comma or an opening
+                     * square bracket. currentItemToken could be a comma.
+                     *
+                     * All comparisons are done based on these tokens directly, so
+                     * they are always valid regardless of an undefined item.
+                     */
+                    if (astUtils.isCommaToken(commaToken)) {
+                        validateCommaItemSpacing(previousItemToken, commaToken,
+                            currentItemToken, reportItem);
+                    }
+
+                    if (item) {
+                        const tokenAfterItem = sourceCode.getTokenAfter(item, astUtils.isNotClosingParenToken);
+
+                        previousItemToken = tokenAfterItem
+                            ? sourceCode.getTokenBefore(tokenAfterItem)
+                            : sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1];
+                    }
+                });
+
+                /*
+                 * Special case for array literals that have empty last items, such
+                 * as [ 1, 2, ]. These arrays only have two items show up in the
+                 * AST, so we need to look at the token to verify that there's no
+                 * dangling comma.
+                 */
+                if (arrayLiteral) {
+
+                    const lastToken = sourceCode.getLastToken(node),
+                        nextToLastToken = sourceCode.getTokenBefore(lastToken);
+
+                    if (astUtils.isCommaToken(nextToLastToken)) {
+                        validateCommaItemSpacing(
+                            sourceCode.getTokenBefore(nextToLastToken),
+                            nextToLastToken,
+                            lastToken,
+                            lastToken
+                        );
+                    }
+                }
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        const nodes = {};
+
+        if (!exceptions.VariableDeclaration) {
+            nodes.VariableDeclaration = function(node) {
+                validateComma(node, "declarations");
+            };
+        }
+        if (!exceptions.ObjectExpression) {
+            nodes.ObjectExpression = function(node) {
+                validateComma(node, "properties");
+            };
+        }
+        if (!exceptions.ObjectPattern) {
+            nodes.ObjectPattern = function(node) {
+                validateComma(node, "properties");
+            };
+        }
+        if (!exceptions.ArrayExpression) {
+            nodes.ArrayExpression = function(node) {
+                validateComma(node, "elements");
+            };
+        }
+        if (!exceptions.ArrayPattern) {
+            nodes.ArrayPattern = function(node) {
+                validateComma(node, "elements");
+            };
+        }
+        if (!exceptions.FunctionDeclaration) {
+            nodes.FunctionDeclaration = function(node) {
+                validateComma(node, "params");
+            };
+        }
+        if (!exceptions.FunctionExpression) {
+            nodes.FunctionExpression = function(node) {
+                validateComma(node, "params");
+            };
+        }
+        if (!exceptions.ArrowFunctionExpression) {
+            nodes.ArrowFunctionExpression = function(node) {
+                validateComma(node, "params");
+            };
+        }
+        if (!exceptions.CallExpression) {
+            nodes.CallExpression = function(node) {
+                validateComma(node, "arguments");
+            };
+        }
+        if (!exceptions.ImportDeclaration) {
+            nodes.ImportDeclaration = function(node) {
+                validateComma(node, "specifiers");
+            };
+        }
+        if (!exceptions.NewExpression) {
+            nodes.NewExpression = function(node) {
+                validateComma(node, "arguments");
+            };
+        }
+
+        return nodes;
+    }
+};
diff --git a/eslint/lib/rules/complexity.js b/eslint/lib/rules/complexity.js
new file mode 100644
index 0000000..7fc8bf9
--- /dev/null
+++ b/eslint/lib/rules/complexity.js
@@ -0,0 +1,160 @@
+/**
+ * @fileoverview Counts the cyclomatic complexity of each function of the script. See http://en.wikipedia.org/wiki/Cyclomatic_complexity.
+ * Counts the number of if, conditional, for, while, try, switch/case,
+ * @author Patrick Brosset
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum cyclomatic complexity allowed in a program",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/complexity"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            maximum: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            complex: "{{name}} has a complexity of {{complexity}}. Maximum allowed is {{max}}."
+        }
+    },
+
+    create(context) {
+        const option = context.options[0];
+        let THRESHOLD = 20;
+
+        if (
+            typeof option === "object" &&
+            (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))
+        ) {
+            THRESHOLD = option.maximum || option.max;
+        } else if (typeof option === "number") {
+            THRESHOLD = option;
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // Using a stack to store complexity (handling nested functions)
+        const fns = [];
+
+        /**
+         * When parsing a new function, store it in our function stack
+         * @returns {void}
+         * @private
+         */
+        function startFunction() {
+            fns.push(1);
+        }
+
+        /**
+         * Evaluate the node at the end of function
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function endFunction(node) {
+            const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(node));
+            const complexity = fns.pop();
+
+            if (complexity > THRESHOLD) {
+                context.report({
+                    node,
+                    messageId: "complex",
+                    data: { name, complexity, max: THRESHOLD }
+                });
+            }
+        }
+
+        /**
+         * Increase the complexity of the function in context
+         * @returns {void}
+         * @private
+         */
+        function increaseComplexity() {
+            if (fns.length) {
+                fns[fns.length - 1]++;
+            }
+        }
+
+        /**
+         * Increase the switch complexity in context
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function increaseSwitchComplexity(node) {
+
+            // Avoiding `default`
+            if (node.test) {
+                increaseComplexity();
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            FunctionDeclaration: startFunction,
+            FunctionExpression: startFunction,
+            ArrowFunctionExpression: startFunction,
+            "FunctionDeclaration:exit": endFunction,
+            "FunctionExpression:exit": endFunction,
+            "ArrowFunctionExpression:exit": endFunction,
+
+            CatchClause: increaseComplexity,
+            ConditionalExpression: increaseComplexity,
+            LogicalExpression: increaseComplexity,
+            ForStatement: increaseComplexity,
+            ForInStatement: increaseComplexity,
+            ForOfStatement: increaseComplexity,
+            IfStatement: increaseComplexity,
+            SwitchCase: increaseSwitchComplexity,
+            WhileStatement: increaseComplexity,
+            DoWhileStatement: increaseComplexity
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/computed-property-spacing.js b/eslint/lib/rules/computed-property-spacing.js
new file mode 100644
index 0000000..53fdb8f
--- /dev/null
+++ b/eslint/lib/rules/computed-property-spacing.js
@@ -0,0 +1,204 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside computed properties.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing inside computed property brackets",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/computed-property-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    enforceForClassMembers: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
+            unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
+
+            missingSpaceBefore: "A space is required before '{{tokenValue}}'.",
+            missingSpaceAfter: "A space is required after '{{tokenValue}}'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const propertyNameMustBeSpaced = context.options[0] === "always"; // default is "never"
+        const enforceForClassMembers = !context.options[1] || context.options[1].enforceForClassMembers;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports that there shouldn't be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @param {Token} tokenAfter The token after `token`.
+         * @returns {void}
+         */
+        function reportNoBeginningSpace(node, token, tokenAfter) {
+            context.report({
+                node,
+                loc: { start: token.loc.end, end: tokenAfter.loc.start },
+                messageId: "unexpectedSpaceAfter",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there shouldn't be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @param {Token} tokenBefore The token before `token`.
+         * @returns {void}
+         */
+        function reportNoEndingSpace(node, token, tokenBefore) {
+            context.report({
+                node,
+                loc: { start: tokenBefore.loc.end, end: token.loc.start },
+                messageId: "unexpectedSpaceBefore",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredBeginningSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextAfter(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredEndingSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextBefore(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Returns a function that checks the spacing of a node on the property name
+         * that was passed in.
+         * @param {string} propertyName The property on the node to check for spacing
+         * @returns {Function} A function that will check spacing on a node
+         */
+        function checkSpacing(propertyName) {
+            return function(node) {
+                if (!node.computed) {
+                    return;
+                }
+
+                const property = node[propertyName];
+
+                const before = sourceCode.getTokenBefore(property, astUtils.isOpeningBracketToken),
+                    first = sourceCode.getTokenAfter(before, { includeComments: true }),
+                    after = sourceCode.getTokenAfter(property, astUtils.isClosingBracketToken),
+                    last = sourceCode.getTokenBefore(after, { includeComments: true });
+
+                if (astUtils.isTokenOnSameLine(before, first)) {
+                    if (propertyNameMustBeSpaced) {
+                        if (!sourceCode.isSpaceBetweenTokens(before, first) && astUtils.isTokenOnSameLine(before, first)) {
+                            reportRequiredBeginningSpace(node, before);
+                        }
+                    } else {
+                        if (sourceCode.isSpaceBetweenTokens(before, first)) {
+                            reportNoBeginningSpace(node, before, first);
+                        }
+                    }
+                }
+
+                if (astUtils.isTokenOnSameLine(last, after)) {
+                    if (propertyNameMustBeSpaced) {
+                        if (!sourceCode.isSpaceBetweenTokens(last, after) && astUtils.isTokenOnSameLine(last, after)) {
+                            reportRequiredEndingSpace(node, after);
+                        }
+                    } else {
+                        if (sourceCode.isSpaceBetweenTokens(last, after)) {
+                            reportNoEndingSpace(node, after, last);
+                        }
+                    }
+                }
+            };
+        }
+
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        const listeners = {
+            Property: checkSpacing("key"),
+            MemberExpression: checkSpacing("property")
+        };
+
+        if (enforceForClassMembers) {
+            listeners.MethodDefinition = checkSpacing("key");
+        }
+
+        return listeners;
+
+    }
+};
diff --git a/eslint/lib/rules/consistent-return.js b/eslint/lib/rules/consistent-return.js
new file mode 100644
index 0000000..22667fa
--- /dev/null
+++ b/eslint/lib/rules/consistent-return.js
@@ -0,0 +1,196 @@
+/**
+ * @fileoverview Rule to flag consistent return values
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is an `Identifier` node which was named a given name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name An expected name of the node.
+ * @returns {boolean} `true` if the node is an `Identifier` node which was named as expected.
+ */
+function isIdentifier(node, name) {
+    return node.type === "Identifier" && node.name === name;
+}
+
+/**
+ * Checks whether or not a given code path segment is unreachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is unreachable.
+ */
+function isUnreachable(segment) {
+    return !segment.reachable;
+}
+
+/**
+ * Checks whether a given node is a `constructor` method in an ES6 class
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node is a `constructor` method
+ */
+function isClassConstructor(node) {
+    return node.type === "FunctionExpression" &&
+        node.parent &&
+        node.parent.type === "MethodDefinition" &&
+        node.parent.kind === "constructor";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `return` statements to either always or never specify values",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/consistent-return"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                treatUndefinedAsUnspecified: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            missingReturn: "Expected to return a value at the end of {{name}}.",
+            missingReturnValue: "{{name}} expected a return value.",
+            unexpectedReturnValue: "{{name}} expected no return value."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const treatUndefinedAsUnspecified = options.treatUndefinedAsUnspecified === true;
+        let funcInfo = null;
+
+        /**
+         * Checks whether of not the implicit returning is consistent if the last
+         * code path segment is reachable.
+         * @param {ASTNode} node A program/function node to check.
+         * @returns {void}
+         */
+        function checkLastSegment(node) {
+            let loc, name;
+
+            /*
+             * Skip if it expected no return value or unreachable.
+             * When unreachable, all paths are returned or thrown.
+             */
+            if (!funcInfo.hasReturnValue ||
+                funcInfo.codePath.currentSegments.every(isUnreachable) ||
+                astUtils.isES5Constructor(node) ||
+                isClassConstructor(node)
+            ) {
+                return;
+            }
+
+            // Adjust a location and a message.
+            if (node.type === "Program") {
+
+                // The head of program.
+                loc = { line: 1, column: 0 };
+                name = "program";
+            } else if (node.type === "ArrowFunctionExpression") {
+
+                // `=>` token
+                loc = context.getSourceCode().getTokenBefore(node.body, astUtils.isArrowToken).loc.start;
+            } else if (
+                node.parent.type === "MethodDefinition" ||
+                (node.parent.type === "Property" && node.parent.method)
+            ) {
+
+                // Method name.
+                loc = node.parent.key.loc.start;
+            } else {
+
+                // Function name or `function` keyword.
+                loc = (node.id || node).loc.start;
+            }
+
+            if (!name) {
+                name = astUtils.getFunctionNameWithKind(node);
+            }
+
+            // Reports.
+            context.report({
+                node,
+                loc,
+                messageId: "missingReturn",
+                data: { name }
+            });
+        }
+
+        return {
+
+            // Initializes/Disposes state of each code path.
+            onCodePathStart(codePath, node) {
+                funcInfo = {
+                    upper: funcInfo,
+                    codePath,
+                    hasReturn: false,
+                    hasReturnValue: false,
+                    messageId: "",
+                    node
+                };
+            },
+            onCodePathEnd() {
+                funcInfo = funcInfo.upper;
+            },
+
+            // Reports a given return statement if it's inconsistent.
+            ReturnStatement(node) {
+                const argument = node.argument;
+                let hasReturnValue = Boolean(argument);
+
+                if (treatUndefinedAsUnspecified && hasReturnValue) {
+                    hasReturnValue = !isIdentifier(argument, "undefined") && argument.operator !== "void";
+                }
+
+                if (!funcInfo.hasReturn) {
+                    funcInfo.hasReturn = true;
+                    funcInfo.hasReturnValue = hasReturnValue;
+                    funcInfo.messageId = hasReturnValue ? "missingReturnValue" : "unexpectedReturnValue";
+                    funcInfo.data = {
+                        name: funcInfo.node.type === "Program"
+                            ? "Program"
+                            : lodash.upperFirst(astUtils.getFunctionNameWithKind(funcInfo.node))
+                    };
+                } else if (funcInfo.hasReturnValue !== hasReturnValue) {
+                    context.report({
+                        node,
+                        messageId: funcInfo.messageId,
+                        data: funcInfo.data
+                    });
+                }
+            },
+
+            // Reports a given program/function if the implicit returning is not consistent.
+            "Program:exit": checkLastSegment,
+            "FunctionDeclaration:exit": checkLastSegment,
+            "FunctionExpression:exit": checkLastSegment,
+            "ArrowFunctionExpression:exit": checkLastSegment
+        };
+    }
+};
diff --git a/eslint/lib/rules/consistent-this.js b/eslint/lib/rules/consistent-this.js
new file mode 100644
index 0000000..e5bc967
--- /dev/null
+++ b/eslint/lib/rules/consistent-this.js
@@ -0,0 +1,151 @@
+/**
+ * @fileoverview Rule to enforce consistent naming of "this" context variables
+ * @author Raphael Pigulla
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce consistent naming when capturing the current execution context",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/consistent-this"
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                type: "string",
+                minLength: 1
+            },
+            uniqueItems: true
+        },
+
+        messages: {
+            aliasNotAssignedToThis: "Designated alias '{{name}}' is not assigned to 'this'.",
+            unexpectedAlias: "Unexpected alias '{{name}}' for 'this'."
+        }
+    },
+
+    create(context) {
+        let aliases = [];
+
+        if (context.options.length === 0) {
+            aliases.push("that");
+        } else {
+            aliases = context.options;
+        }
+
+        /**
+         * Reports that a variable declarator or assignment expression is assigning
+         * a non-'this' value to the specified alias.
+         * @param {ASTNode} node The assigning node.
+         * @param {string}  name the name of the alias that was incorrectly used.
+         * @returns {void}
+         */
+        function reportBadAssignment(node, name) {
+            context.report({ node, messageId: "aliasNotAssignedToThis", data: { name } });
+        }
+
+        /**
+         * Checks that an assignment to an identifier only assigns 'this' to the
+         * appropriate alias, and the alias is only assigned to 'this'.
+         * @param {ASTNode} node The assigning node.
+         * @param {Identifier} name The name of the variable assigned to.
+         * @param {Expression} value The value of the assignment.
+         * @returns {void}
+         */
+        function checkAssignment(node, name, value) {
+            const isThis = value.type === "ThisExpression";
+
+            if (aliases.indexOf(name) !== -1) {
+                if (!isThis || node.operator && node.operator !== "=") {
+                    reportBadAssignment(node, name);
+                }
+            } else if (isThis) {
+                context.report({ node, messageId: "unexpectedAlias", data: { name } });
+            }
+        }
+
+        /**
+         * Ensures that a variable declaration of the alias in a program or function
+         * is assigned to the correct value.
+         * @param {string} alias alias the check the assignment of.
+         * @param {Object} scope scope of the current code we are checking.
+         * @private
+         * @returns {void}
+         */
+        function checkWasAssigned(alias, scope) {
+            const variable = scope.set.get(alias);
+
+            if (!variable) {
+                return;
+            }
+
+            if (variable.defs.some(def => def.node.type === "VariableDeclarator" &&
+                def.node.init !== null)) {
+                return;
+            }
+
+            /*
+             * The alias has been declared and not assigned: check it was
+             * assigned later in the same scope.
+             */
+            if (!variable.references.some(reference => {
+                const write = reference.writeExpr;
+
+                return (
+                    reference.from === scope &&
+                    write && write.type === "ThisExpression" &&
+                    write.parent.operator === "="
+                );
+            })) {
+                variable.defs.map(def => def.node).forEach(node => {
+                    reportBadAssignment(node, alias);
+                });
+            }
+        }
+
+        /**
+         * Check each alias to ensure that is was assigned to the correct value.
+         * @returns {void}
+         */
+        function ensureWasAssigned() {
+            const scope = context.getScope();
+
+            aliases.forEach(alias => {
+                checkWasAssigned(alias, scope);
+            });
+        }
+
+        return {
+            "Program:exit": ensureWasAssigned,
+            "FunctionExpression:exit": ensureWasAssigned,
+            "FunctionDeclaration:exit": ensureWasAssigned,
+
+            VariableDeclarator(node) {
+                const id = node.id;
+                const isDestructuring =
+                    id.type === "ArrayPattern" || id.type === "ObjectPattern";
+
+                if (node.init !== null && !isDestructuring) {
+                    checkAssignment(node, id.name, node.init);
+                }
+            },
+
+            AssignmentExpression(node) {
+                if (node.left.type === "Identifier") {
+                    checkAssignment(node, node.left.name, node.right);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/constructor-super.js b/eslint/lib/rules/constructor-super.js
new file mode 100644
index 0000000..5a848f2
--- /dev/null
+++ b/eslint/lib/rules/constructor-super.js
@@ -0,0 +1,395 @@
+/**
+ * @fileoverview A rule to verify `super()` callings in constructor.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a given code path segment is reachable or not.
+ * @param {CodePathSegment} segment A code path segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Checks whether or not a given node is a constructor.
+ * @param {ASTNode} node A node to check. This node type is one of
+ *   `Program`, `FunctionDeclaration`, `FunctionExpression`, and
+ *   `ArrowFunctionExpression`.
+ * @returns {boolean} `true` if the node is a constructor.
+ */
+function isConstructorFunction(node) {
+    return (
+        node.type === "FunctionExpression" &&
+        node.parent.type === "MethodDefinition" &&
+        node.parent.kind === "constructor"
+    );
+}
+
+/**
+ * Checks whether a given node can be a constructor or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node can be a constructor.
+ */
+function isPossibleConstructor(node) {
+    if (!node) {
+        return false;
+    }
+
+    switch (node.type) {
+        case "ClassExpression":
+        case "FunctionExpression":
+        case "ThisExpression":
+        case "MemberExpression":
+        case "CallExpression":
+        case "NewExpression":
+        case "YieldExpression":
+        case "TaggedTemplateExpression":
+        case "MetaProperty":
+            return true;
+
+        case "Identifier":
+            return node.name !== "undefined";
+
+        case "AssignmentExpression":
+            return isPossibleConstructor(node.right);
+
+        case "LogicalExpression":
+            return (
+                isPossibleConstructor(node.left) ||
+                isPossibleConstructor(node.right)
+            );
+
+        case "ConditionalExpression":
+            return (
+                isPossibleConstructor(node.alternate) ||
+                isPossibleConstructor(node.consequent)
+            );
+
+        case "SequenceExpression": {
+            const lastExpression = node.expressions[node.expressions.length - 1];
+
+            return isPossibleConstructor(lastExpression);
+        }
+
+        default:
+            return false;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "require `super()` calls in constructors",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/constructor-super"
+        },
+
+        schema: [],
+
+        messages: {
+            missingSome: "Lacked a call of 'super()' in some code paths.",
+            missingAll: "Expected to call 'super()'.",
+
+            duplicate: "Unexpected duplicate 'super()'.",
+            badSuper: "Unexpected 'super()' because 'super' is not a constructor.",
+            unexpected: "Unexpected 'super()'."
+        }
+    },
+
+    create(context) {
+
+        /*
+         * {{hasExtends: boolean, scope: Scope, codePath: CodePath}[]}
+         * Information for each constructor.
+         * - upper:      Information of the upper constructor.
+         * - hasExtends: A flag which shows whether own class has a valid `extends`
+         *               part.
+         * - scope:      The scope of own class.
+         * - codePath:   The code path object of the constructor.
+         */
+        let funcInfo = null;
+
+        /*
+         * {Map<string, {calledInSomePaths: boolean, calledInEveryPaths: boolean}>}
+         * Information for each code path segment.
+         * - calledInSomePaths:  A flag of be called `super()` in some code paths.
+         * - calledInEveryPaths: A flag of be called `super()` in all code paths.
+         * - validNodes:
+         */
+        let segInfoMap = Object.create(null);
+
+        /**
+         * Gets the flag which shows `super()` is called in some paths.
+         * @param {CodePathSegment} segment A code path segment to get.
+         * @returns {boolean} The flag which shows `super()` is called in some paths
+         */
+        function isCalledInSomePath(segment) {
+            return segment.reachable && segInfoMap[segment.id].calledInSomePaths;
+        }
+
+        /**
+         * Gets the flag which shows `super()` is called in all paths.
+         * @param {CodePathSegment} segment A code path segment to get.
+         * @returns {boolean} The flag which shows `super()` is called in all paths.
+         */
+        function isCalledInEveryPath(segment) {
+
+            /*
+             * If specific segment is the looped segment of the current segment,
+             * skip the segment.
+             * If not skipped, this never becomes true after a loop.
+             */
+            if (segment.nextSegments.length === 1 &&
+                segment.nextSegments[0].isLoopedPrevSegment(segment)
+            ) {
+                return true;
+            }
+            return segment.reachable && segInfoMap[segment.id].calledInEveryPaths;
+        }
+
+        return {
+
+            /**
+             * Stacks a constructor information.
+             * @param {CodePath} codePath A code path which was started.
+             * @param {ASTNode} node The current node.
+             * @returns {void}
+             */
+            onCodePathStart(codePath, node) {
+                if (isConstructorFunction(node)) {
+
+                    // Class > ClassBody > MethodDefinition > FunctionExpression
+                    const classNode = node.parent.parent.parent;
+                    const superClass = classNode.superClass;
+
+                    funcInfo = {
+                        upper: funcInfo,
+                        isConstructor: true,
+                        hasExtends: Boolean(superClass),
+                        superIsConstructor: isPossibleConstructor(superClass),
+                        codePath
+                    };
+                } else {
+                    funcInfo = {
+                        upper: funcInfo,
+                        isConstructor: false,
+                        hasExtends: false,
+                        superIsConstructor: false,
+                        codePath
+                    };
+                }
+            },
+
+            /**
+             * Pops a constructor information.
+             * And reports if `super()` lacked.
+             * @param {CodePath} codePath A code path which was ended.
+             * @param {ASTNode} node The current node.
+             * @returns {void}
+             */
+            onCodePathEnd(codePath, node) {
+                const hasExtends = funcInfo.hasExtends;
+
+                // Pop.
+                funcInfo = funcInfo.upper;
+
+                if (!hasExtends) {
+                    return;
+                }
+
+                // Reports if `super()` lacked.
+                const segments = codePath.returnedSegments;
+                const calledInEveryPaths = segments.every(isCalledInEveryPath);
+                const calledInSomePaths = segments.some(isCalledInSomePath);
+
+                if (!calledInEveryPaths) {
+                    context.report({
+                        messageId: calledInSomePaths
+                            ? "missingSome"
+                            : "missingAll",
+                        node: node.parent
+                    });
+                }
+            },
+
+            /**
+             * Initialize information of a given code path segment.
+             * @param {CodePathSegment} segment A code path segment to initialize.
+             * @returns {void}
+             */
+            onCodePathSegmentStart(segment) {
+                if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+                    return;
+                }
+
+                // Initialize info.
+                const info = segInfoMap[segment.id] = {
+                    calledInSomePaths: false,
+                    calledInEveryPaths: false,
+                    validNodes: []
+                };
+
+                // When there are previous segments, aggregates these.
+                const prevSegments = segment.prevSegments;
+
+                if (prevSegments.length > 0) {
+                    info.calledInSomePaths = prevSegments.some(isCalledInSomePath);
+                    info.calledInEveryPaths = prevSegments.every(isCalledInEveryPath);
+                }
+            },
+
+            /**
+             * Update information of the code path segment when a code path was
+             * looped.
+             * @param {CodePathSegment} fromSegment The code path segment of the
+             *      end of a loop.
+             * @param {CodePathSegment} toSegment A code path segment of the head
+             *      of a loop.
+             * @returns {void}
+             */
+            onCodePathSegmentLoop(fromSegment, toSegment) {
+                if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+                    return;
+                }
+
+                // Update information inside of the loop.
+                const isRealLoop = toSegment.prevSegments.length >= 2;
+
+                funcInfo.codePath.traverseSegments(
+                    { first: toSegment, last: fromSegment },
+                    segment => {
+                        const info = segInfoMap[segment.id];
+                        const prevSegments = segment.prevSegments;
+
+                        // Updates flags.
+                        info.calledInSomePaths = prevSegments.some(isCalledInSomePath);
+                        info.calledInEveryPaths = prevSegments.every(isCalledInEveryPath);
+
+                        // If flags become true anew, reports the valid nodes.
+                        if (info.calledInSomePaths || isRealLoop) {
+                            const nodes = info.validNodes;
+
+                            info.validNodes = [];
+
+                            for (let i = 0; i < nodes.length; ++i) {
+                                const node = nodes[i];
+
+                                context.report({
+                                    messageId: "duplicate",
+                                    node
+                                });
+                            }
+                        }
+                    }
+                );
+            },
+
+            /**
+             * Checks for a call of `super()`.
+             * @param {ASTNode} node A CallExpression node to check.
+             * @returns {void}
+             */
+            "CallExpression:exit"(node) {
+                if (!(funcInfo && funcInfo.isConstructor)) {
+                    return;
+                }
+
+                // Skips except `super()`.
+                if (node.callee.type !== "Super") {
+                    return;
+                }
+
+                // Reports if needed.
+                if (funcInfo.hasExtends) {
+                    const segments = funcInfo.codePath.currentSegments;
+                    let duplicate = false;
+                    let info = null;
+
+                    for (let i = 0; i < segments.length; ++i) {
+                        const segment = segments[i];
+
+                        if (segment.reachable) {
+                            info = segInfoMap[segment.id];
+
+                            duplicate = duplicate || info.calledInSomePaths;
+                            info.calledInSomePaths = info.calledInEveryPaths = true;
+                        }
+                    }
+
+                    if (info) {
+                        if (duplicate) {
+                            context.report({
+                                messageId: "duplicate",
+                                node
+                            });
+                        } else if (!funcInfo.superIsConstructor) {
+                            context.report({
+                                messageId: "badSuper",
+                                node
+                            });
+                        } else {
+                            info.validNodes.push(node);
+                        }
+                    }
+                } else if (funcInfo.codePath.currentSegments.some(isReachable)) {
+                    context.report({
+                        messageId: "unexpected",
+                        node
+                    });
+                }
+            },
+
+            /**
+             * Set the mark to the returned path as `super()` was called.
+             * @param {ASTNode} node A ReturnStatement node to check.
+             * @returns {void}
+             */
+            ReturnStatement(node) {
+                if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+                    return;
+                }
+
+                // Skips if no argument.
+                if (!node.argument) {
+                    return;
+                }
+
+                // Returning argument is a substitute of 'super()'.
+                const segments = funcInfo.codePath.currentSegments;
+
+                for (let i = 0; i < segments.length; ++i) {
+                    const segment = segments[i];
+
+                    if (segment.reachable) {
+                        const info = segInfoMap[segment.id];
+
+                        info.calledInSomePaths = info.calledInEveryPaths = true;
+                    }
+                }
+            },
+
+            /**
+             * Resets state.
+             * @returns {void}
+             */
+            "Program:exit"() {
+                segInfoMap = Object.create(null);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/curly.js b/eslint/lib/rules/curly.js
new file mode 100644
index 0000000..29f00c0
--- /dev/null
+++ b/eslint/lib/rules/curly.js
@@ -0,0 +1,488 @@
+/**
+ * @fileoverview Rule to flag statements without curly braces
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce consistent brace style for all control statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/curly"
+        },
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["all"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["multi", "multi-line", "multi-or-nest"]
+                        },
+                        {
+                            enum: ["consistent"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        fixable: "code",
+
+        messages: {
+            missingCurlyAfter: "Expected { after '{{name}}'.",
+            missingCurlyAfterCondition: "Expected { after '{{name}}' condition.",
+            unexpectedCurlyAfter: "Unnecessary { after '{{name}}'.",
+            unexpectedCurlyAfterCondition: "Unnecessary { after '{{name}}' condition."
+        }
+    },
+
+    create(context) {
+
+        const multiOnly = (context.options[0] === "multi");
+        const multiLine = (context.options[0] === "multi-line");
+        const multiOrNest = (context.options[0] === "multi-or-nest");
+        const consistent = (context.options[1] === "consistent");
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Determines if a given node is a one-liner that's on the same line as it's preceding code.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node is a one-liner that's on the same line as it's preceding code.
+         * @private
+         */
+        function isCollapsedOneLiner(node) {
+            const before = sourceCode.getTokenBefore(node);
+            const last = sourceCode.getLastToken(node);
+            const lastExcludingSemicolon = astUtils.isSemicolonToken(last) ? sourceCode.getTokenBefore(last) : last;
+
+            return before.loc.start.line === lastExcludingSemicolon.loc.end.line;
+        }
+
+        /**
+         * Determines if a given node is a one-liner.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node is a one-liner.
+         * @private
+         */
+        function isOneLiner(node) {
+            if (node.type === "EmptyStatement") {
+                return true;
+            }
+
+            const first = sourceCode.getFirstToken(node);
+            const last = sourceCode.getLastToken(node);
+            const lastExcludingSemicolon = astUtils.isSemicolonToken(last) ? sourceCode.getTokenBefore(last) : last;
+
+            return first.loc.start.line === lastExcludingSemicolon.loc.end.line;
+        }
+
+        /**
+         * Determines if the given node is a lexical declaration (let, const, function, or class)
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} True if the node is a lexical declaration
+         * @private
+         */
+        function isLexicalDeclaration(node) {
+            if (node.type === "VariableDeclaration") {
+                return node.kind === "const" || node.kind === "let";
+            }
+
+            return node.type === "FunctionDeclaration" || node.type === "ClassDeclaration";
+        }
+
+        /**
+         * Checks if the given token is an `else` token or not.
+         * @param {Token} token The token to check.
+         * @returns {boolean} `true` if the token is an `else` token.
+         */
+        function isElseKeywordToken(token) {
+            return token.value === "else" && token.type === "Keyword";
+        }
+
+        /**
+         * Gets the `else` keyword token of a given `IfStatement` node.
+         * @param {ASTNode} node A `IfStatement` node to get.
+         * @returns {Token} The `else` keyword token.
+         */
+        function getElseKeyword(node) {
+            return node.alternate && sourceCode.getFirstTokenBetween(node.consequent, node.alternate, isElseKeywordToken);
+        }
+
+        /**
+         * Determines whether the given node has an `else` keyword token as the first token after.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} `true` if the node is followed by an `else` keyword token.
+         */
+        function isFollowedByElseKeyword(node) {
+            const nextToken = sourceCode.getTokenAfter(node);
+
+            return Boolean(nextToken) && isElseKeywordToken(nextToken);
+        }
+
+        /**
+         * Determines if a semicolon needs to be inserted after removing a set of curly brackets, in order to avoid a SyntaxError.
+         * @param {Token} closingBracket The } token
+         * @returns {boolean} `true` if a semicolon needs to be inserted after the last statement in the block.
+         */
+        function needsSemicolon(closingBracket) {
+            const tokenBefore = sourceCode.getTokenBefore(closingBracket);
+            const tokenAfter = sourceCode.getTokenAfter(closingBracket);
+            const lastBlockNode = sourceCode.getNodeByRangeIndex(tokenBefore.range[0]);
+
+            if (astUtils.isSemicolonToken(tokenBefore)) {
+
+                // If the last statement already has a semicolon, don't add another one.
+                return false;
+            }
+
+            if (!tokenAfter) {
+
+                // If there are no statements after this block, there is no need to add a semicolon.
+                return false;
+            }
+
+            if (lastBlockNode.type === "BlockStatement" && lastBlockNode.parent.type !== "FunctionExpression" && lastBlockNode.parent.type !== "ArrowFunctionExpression") {
+
+                /*
+                 * If the last node surrounded by curly brackets is a BlockStatement (other than a FunctionExpression or an ArrowFunctionExpression),
+                 * don't insert a semicolon. Otherwise, the semicolon would be parsed as a separate statement, which would cause
+                 * a SyntaxError if it was followed by `else`.
+                 */
+                return false;
+            }
+
+            if (tokenBefore.loc.end.line === tokenAfter.loc.start.line) {
+
+                // If the next token is on the same line, insert a semicolon.
+                return true;
+            }
+
+            if (/^[([/`+-]/u.test(tokenAfter.value)) {
+
+                // If the next token starts with a character that would disrupt ASI, insert a semicolon.
+                return true;
+            }
+
+            if (tokenBefore.type === "Punctuator" && (tokenBefore.value === "++" || tokenBefore.value === "--")) {
+
+                // If the last token is ++ or --, insert a semicolon to avoid disrupting ASI.
+                return true;
+            }
+
+            // Otherwise, do not insert a semicolon.
+            return false;
+        }
+
+        /**
+         * Determines whether the code represented by the given node contains an `if` statement
+         * that would become associated with an `else` keyword directly appended to that code.
+         *
+         * Examples where it returns `true`:
+         *
+         *    if (a)
+         *        foo();
+         *
+         *    if (a) {
+         *        foo();
+         *    }
+         *
+         *    if (a)
+         *        foo();
+         *    else if (b)
+         *        bar();
+         *
+         *    while (a)
+         *        if (b)
+         *            if(c)
+         *                foo();
+         *            else
+         *                bar();
+         *
+         * Examples where it returns `false`:
+         *
+         *    if (a)
+         *        foo();
+         *    else
+         *        bar();
+         *
+         *    while (a) {
+         *        if (b)
+         *            if(c)
+         *                foo();
+         *            else
+         *                bar();
+         *    }
+         *
+         *    while (a)
+         *        if (b) {
+         *            if(c)
+         *                foo();
+         *        }
+         *        else
+         *            bar();
+         * @param {ASTNode} node Node representing the code to check.
+         * @returns {boolean} `true` if an `if` statement within the code would become associated with an `else` appended to that code.
+         */
+        function hasUnsafeIf(node) {
+            switch (node.type) {
+                case "IfStatement":
+                    if (!node.alternate) {
+                        return true;
+                    }
+                    return hasUnsafeIf(node.alternate);
+                case "ForStatement":
+                case "ForInStatement":
+                case "ForOfStatement":
+                case "LabeledStatement":
+                case "WithStatement":
+                case "WhileStatement":
+                    return hasUnsafeIf(node.body);
+                default:
+                    return false;
+            }
+        }
+
+        /**
+         * Determines whether the existing curly braces around the single statement are necessary to preserve the semantics of the code.
+         * The braces, which make the given block body, are necessary in either of the following situations:
+         *
+         * 1. The statement is a lexical declaration.
+         * 2. Without the braces, an `if` within the statement would become associated with an `else` after the closing brace:
+         *
+         *     if (a) {
+         *         if (b)
+         *             foo();
+         *     }
+         *     else
+         *         bar();
+         *
+         *     if (a)
+         *         while (b)
+         *             while (c) {
+         *                 while (d)
+         *                     if (e)
+         *                         while(f)
+         *                             foo();
+         *            }
+         *     else
+         *         bar();
+         * @param {ASTNode} node `BlockStatement` body with exactly one statement directly inside. The statement can have its own nested statements.
+         * @returns {boolean} `true` if the braces are necessary - removing them (replacing the given `BlockStatement` body with its single statement content)
+         * would change the semantics of the code or produce a syntax error.
+         */
+        function areBracesNecessary(node) {
+            const statement = node.body[0];
+
+            return isLexicalDeclaration(statement) ||
+                hasUnsafeIf(statement) && isFollowedByElseKeyword(node);
+        }
+
+        /**
+         * Prepares to check the body of a node to see if it's a block statement.
+         * @param {ASTNode} node The node to report if there's a problem.
+         * @param {ASTNode} body The body node to check for blocks.
+         * @param {string} name The name to report if there's a problem.
+         * @param {{ condition: boolean }} opts Options to pass to the report functions
+         * @returns {Object} a prepared check object, with "actual", "expected", "check" properties.
+         *   "actual" will be `true` or `false` whether the body is already a block statement.
+         *   "expected" will be `true` or `false` if the body should be a block statement or not, or
+         *   `null` if it doesn't matter, depending on the rule options. It can be modified to change
+         *   the final behavior of "check".
+         *   "check" will be a function reporting appropriate problems depending on the other
+         *   properties.
+         */
+        function prepareCheck(node, body, name, opts) {
+            const hasBlock = (body.type === "BlockStatement");
+            let expected = null;
+
+            if (hasBlock && (body.body.length !== 1 || areBracesNecessary(body))) {
+                expected = true;
+            } else if (multiOnly) {
+                expected = false;
+            } else if (multiLine) {
+                if (!isCollapsedOneLiner(body)) {
+                    expected = true;
+                }
+
+                // otherwise, the body is allowed to have braces or not to have braces
+
+            } else if (multiOrNest) {
+                if (hasBlock) {
+                    const statement = body.body[0];
+                    const leadingCommentsInBlock = sourceCode.getCommentsBefore(statement);
+
+                    expected = !isOneLiner(statement) || leadingCommentsInBlock.length > 0;
+                } else {
+                    expected = !isOneLiner(body);
+                }
+            } else {
+
+                // default "all"
+                expected = true;
+            }
+
+            return {
+                actual: hasBlock,
+                expected,
+                check() {
+                    if (this.expected !== null && this.expected !== this.actual) {
+                        if (this.expected) {
+                            context.report({
+                                node,
+                                loc: (name !== "else" ? node : getElseKeyword(node)).loc.start,
+                                messageId: opts && opts.condition ? "missingCurlyAfterCondition" : "missingCurlyAfter",
+                                data: {
+                                    name
+                                },
+                                fix: fixer => fixer.replaceText(body, `{${sourceCode.getText(body)}}`)
+                            });
+                        } else {
+                            context.report({
+                                node,
+                                loc: (name !== "else" ? node : getElseKeyword(node)).loc.start,
+                                messageId: opts && opts.condition ? "unexpectedCurlyAfterCondition" : "unexpectedCurlyAfter",
+                                data: {
+                                    name
+                                },
+                                fix(fixer) {
+
+                                    /*
+                                     * `do while` expressions sometimes need a space to be inserted after `do`.
+                                     * e.g. `do{foo()} while (bar)` should be corrected to `do foo() while (bar)`
+                                     */
+                                    const needsPrecedingSpace = node.type === "DoWhileStatement" &&
+                                        sourceCode.getTokenBefore(body).range[1] === body.range[0] &&
+                                        !astUtils.canTokensBeAdjacent("do", sourceCode.getFirstToken(body, { skip: 1 }));
+
+                                    const openingBracket = sourceCode.getFirstToken(body);
+                                    const closingBracket = sourceCode.getLastToken(body);
+                                    const lastTokenInBlock = sourceCode.getTokenBefore(closingBracket);
+
+                                    if (needsSemicolon(closingBracket)) {
+
+                                        /*
+                                         * If removing braces would cause a SyntaxError due to multiple statements on the same line (or
+                                         * change the semantics of the code due to ASI), don't perform a fix.
+                                         */
+                                        return null;
+                                    }
+
+                                    const resultingBodyText = sourceCode.getText().slice(openingBracket.range[1], lastTokenInBlock.range[0]) +
+                                        sourceCode.getText(lastTokenInBlock) +
+                                        sourceCode.getText().slice(lastTokenInBlock.range[1], closingBracket.range[0]);
+
+                                    return fixer.replaceText(body, (needsPrecedingSpace ? " " : "") + resultingBodyText);
+                                }
+                            });
+                        }
+                    }
+                }
+            };
+        }
+
+        /**
+         * Prepares to check the bodies of a "if", "else if" and "else" chain.
+         * @param {ASTNode} node The first IfStatement node of the chain.
+         * @returns {Object[]} prepared checks for each body of the chain. See `prepareCheck` for more
+         *   information.
+         */
+        function prepareIfChecks(node) {
+            const preparedChecks = [];
+
+            for (let currentNode = node; currentNode; currentNode = currentNode.alternate) {
+                preparedChecks.push(prepareCheck(currentNode, currentNode.consequent, "if", { condition: true }));
+                if (currentNode.alternate && currentNode.alternate.type !== "IfStatement") {
+                    preparedChecks.push(prepareCheck(currentNode, currentNode.alternate, "else"));
+                    break;
+                }
+            }
+
+            if (consistent) {
+
+                /*
+                 * If any node should have or already have braces, make sure they
+                 * all have braces.
+                 * If all nodes shouldn't have braces, make sure they don't.
+                 */
+                const expected = preparedChecks.some(preparedCheck => {
+                    if (preparedCheck.expected !== null) {
+                        return preparedCheck.expected;
+                    }
+                    return preparedCheck.actual;
+                });
+
+                preparedChecks.forEach(preparedCheck => {
+                    preparedCheck.expected = expected;
+                });
+            }
+
+            return preparedChecks;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            IfStatement(node) {
+                if (node.parent.type !== "IfStatement") {
+                    prepareIfChecks(node).forEach(preparedCheck => {
+                        preparedCheck.check();
+                    });
+                }
+            },
+
+            WhileStatement(node) {
+                prepareCheck(node, node.body, "while", { condition: true }).check();
+            },
+
+            DoWhileStatement(node) {
+                prepareCheck(node, node.body, "do").check();
+            },
+
+            ForStatement(node) {
+                prepareCheck(node, node.body, "for", { condition: true }).check();
+            },
+
+            ForInStatement(node) {
+                prepareCheck(node, node.body, "for-in").check();
+            },
+
+            ForOfStatement(node) {
+                prepareCheck(node, node.body, "for-of").check();
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/default-case-last.js b/eslint/lib/rules/default-case-last.js
new file mode 100644
index 0000000..80c5d6b
--- /dev/null
+++ b/eslint/lib/rules/default-case-last.js
@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Rule to enforce default clauses in switch statements to be last
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce default clauses in switch statements to be last",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/default-case-last"
+        },
+
+        schema: [],
+
+        messages: {
+            notLast: "Default clause should be the last clause."
+        }
+    },
+
+    create(context) {
+        return {
+            SwitchStatement(node) {
+                const cases = node.cases,
+                    indexOfDefault = cases.findIndex(c => c.test === null);
+
+                if (indexOfDefault !== -1 && indexOfDefault !== cases.length - 1) {
+                    const defaultClause = cases[indexOfDefault];
+
+                    context.report({ node: defaultClause, messageId: "notLast" });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/default-case.js b/eslint/lib/rules/default-case.js
new file mode 100644
index 0000000..821e0d7
--- /dev/null
+++ b/eslint/lib/rules/default-case.js
@@ -0,0 +1,97 @@
+/**
+ * @fileoverview require default case in switch statements
+ * @author Aliaksei Shytkin
+ */
+"use strict";
+
+const DEFAULT_COMMENT_PATTERN = /^no default$/iu;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `default` cases in `switch` statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/default-case"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                commentPattern: {
+                    type: "string"
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            missingDefaultCase: "Expected a default case."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const commentPattern = options.commentPattern
+            ? new RegExp(options.commentPattern, "u")
+            : DEFAULT_COMMENT_PATTERN;
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Shortcut to get last element of array
+         * @param  {*[]} collection Array
+         * @returns {*} Last element
+         */
+        function last(collection) {
+            return collection[collection.length - 1];
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            SwitchStatement(node) {
+
+                if (!node.cases.length) {
+
+                    /*
+                     * skip check of empty switch because there is no easy way
+                     * to extract comments inside it now
+                     */
+                    return;
+                }
+
+                const hasDefault = node.cases.some(v => v.test === null);
+
+                if (!hasDefault) {
+
+                    let comment;
+
+                    const lastCase = last(node.cases);
+                    const comments = sourceCode.getCommentsAfter(lastCase);
+
+                    if (comments.length) {
+                        comment = last(comments);
+                    }
+
+                    if (!comment || !commentPattern.test(comment.value.trim())) {
+                        context.report({ node, messageId: "missingDefaultCase" });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/default-param-last.js b/eslint/lib/rules/default-param-last.js
new file mode 100644
index 0000000..12e0b59
--- /dev/null
+++ b/eslint/lib/rules/default-param-last.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview enforce default parameters to be last
+ * @author Chiawen Chen
+ */
+
+"use strict";
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce default parameters to be last",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/default-param-last"
+        },
+
+        schema: [],
+
+        messages: {
+            shouldBeLast: "Default parameters should be last."
+        }
+    },
+
+    create(context) {
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node function node
+         * @returns {void}
+         */
+        function handleFunction(node) {
+            let hasSeenPlainParam = false;
+
+            for (let i = node.params.length - 1; i >= 0; i -= 1) {
+                const param = node.params[i];
+
+                if (
+                    param.type !== "AssignmentPattern" &&
+                    param.type !== "RestElement"
+                ) {
+                    hasSeenPlainParam = true;
+                    continue;
+                }
+
+                if (hasSeenPlainParam && param.type === "AssignmentPattern") {
+                    context.report({
+                        node: param,
+                        messageId: "shouldBeLast"
+                    });
+                }
+            }
+        }
+
+        return {
+            FunctionDeclaration: handleFunction,
+            FunctionExpression: handleFunction,
+            ArrowFunctionExpression: handleFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/dot-location.js b/eslint/lib/rules/dot-location.js
new file mode 100644
index 0000000..d483e21
--- /dev/null
+++ b/eslint/lib/rules/dot-location.js
@@ -0,0 +1,99 @@
+/**
+ * @fileoverview Validates newlines before and after dots
+ * @author Greg Cochard
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent newlines before and after dots",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/dot-location"
+        },
+
+        schema: [
+            {
+                enum: ["object", "property"]
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            expectedDotAfterObject: "Expected dot to be on same line as object.",
+            expectedDotBeforeProperty: "Expected dot to be on same line as property."
+        }
+    },
+
+    create(context) {
+
+        const config = context.options[0];
+
+        // default to onObject if no preference is passed
+        const onObject = config === "object" || !config;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports if the dot between object and property is on the correct loccation.
+         * @param {ASTNode} node The `MemberExpression` node.
+         * @returns {void}
+         */
+        function checkDotLocation(node) {
+            const property = node.property;
+            const dot = sourceCode.getTokenBefore(property);
+
+            // `obj` expression can be parenthesized, but those paren tokens are not a part of the `obj` node.
+            const tokenBeforeDot = sourceCode.getTokenBefore(dot);
+
+            const textBeforeDot = sourceCode.getText().slice(tokenBeforeDot.range[1], dot.range[0]);
+            const textAfterDot = sourceCode.getText().slice(dot.range[1], property.range[0]);
+
+            if (onObject) {
+                if (!astUtils.isTokenOnSameLine(tokenBeforeDot, dot)) {
+                    const neededTextAfterToken = astUtils.isDecimalIntegerNumericToken(tokenBeforeDot) ? " " : "";
+
+                    context.report({
+                        node,
+                        loc: dot.loc,
+                        messageId: "expectedDotAfterObject",
+                        fix: fixer => fixer.replaceTextRange([tokenBeforeDot.range[1], property.range[0]], `${neededTextAfterToken}.${textBeforeDot}${textAfterDot}`)
+                    });
+                }
+            } else if (!astUtils.isTokenOnSameLine(dot, property)) {
+                context.report({
+                    node,
+                    loc: dot.loc,
+                    messageId: "expectedDotBeforeProperty",
+                    fix: fixer => fixer.replaceTextRange([tokenBeforeDot.range[1], property.range[0]], `${textBeforeDot}${textAfterDot}.`)
+                });
+            }
+        }
+
+        /**
+         * Checks the spacing of the dot within a member expression.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkNode(node) {
+            if (!node.computed) {
+                checkDotLocation(node);
+            }
+        }
+
+        return {
+            MemberExpression: checkNode
+        };
+    }
+};
diff --git a/eslint/lib/rules/dot-notation.js b/eslint/lib/rules/dot-notation.js
new file mode 100644
index 0000000..2e8fff8
--- /dev/null
+++ b/eslint/lib/rules/dot-notation.js
@@ -0,0 +1,173 @@
+/**
+ * @fileoverview Rule to warn about using dot notation instead of square bracket notation when possible.
+ * @author Josh Perez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const keywords = require("./utils/keywords");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const validIdentifier = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/u;
+
+// `null` literal must be handled separately.
+const literalTypesToCheck = new Set(["string", "boolean"]);
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce dot notation whenever possible",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/dot-notation"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowKeywords: {
+                        type: "boolean",
+                        default: true
+                    },
+                    allowPattern: {
+                        type: "string",
+                        default: ""
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            useDot: "[{{key}}] is better written in dot notation.",
+            useBrackets: ".{{key}} is a syntax error."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const allowKeywords = options.allowKeywords === void 0 || options.allowKeywords;
+        const sourceCode = context.getSourceCode();
+
+        let allowPattern;
+
+        if (options.allowPattern) {
+            allowPattern = new RegExp(options.allowPattern, "u");
+        }
+
+        /**
+         * Check if the property is valid dot notation
+         * @param {ASTNode} node The dot notation node
+         * @param {string} value Value which is to be checked
+         * @returns {void}
+         */
+        function checkComputedProperty(node, value) {
+            if (
+                validIdentifier.test(value) &&
+                (allowKeywords || keywords.indexOf(String(value)) === -1) &&
+                !(allowPattern && allowPattern.test(value))
+            ) {
+                const formattedValue = node.property.type === "Literal" ? JSON.stringify(value) : `\`${value}\``;
+
+                context.report({
+                    node: node.property,
+                    messageId: "useDot",
+                    data: {
+                        key: formattedValue
+                    },
+                    fix(fixer) {
+                        const leftBracket = sourceCode.getTokenAfter(node.object, astUtils.isOpeningBracketToken);
+                        const rightBracket = sourceCode.getLastToken(node);
+
+                        if (sourceCode.getFirstTokenBetween(leftBracket, rightBracket, { includeComments: true, filter: astUtils.isCommentToken })) {
+
+                            // Don't perform any fixes if there are comments inside the brackets.
+                            return null;
+                        }
+
+                        const tokenAfterProperty = sourceCode.getTokenAfter(rightBracket);
+                        const needsSpaceAfterProperty = tokenAfterProperty &&
+                            rightBracket.range[1] === tokenAfterProperty.range[0] &&
+                            !astUtils.canTokensBeAdjacent(String(value), tokenAfterProperty);
+
+                        const textBeforeDot = astUtils.isDecimalInteger(node.object) ? " " : "";
+                        const textAfterProperty = needsSpaceAfterProperty ? " " : "";
+
+                        return fixer.replaceTextRange(
+                            [leftBracket.range[0], rightBracket.range[1]],
+                            `${textBeforeDot}.${value}${textAfterProperty}`
+                        );
+                    }
+                });
+            }
+        }
+
+        return {
+            MemberExpression(node) {
+                if (
+                    node.computed &&
+                    node.property.type === "Literal" &&
+                    (literalTypesToCheck.has(typeof node.property.value) || astUtils.isNullLiteral(node.property))
+                ) {
+                    checkComputedProperty(node, node.property.value);
+                }
+                if (
+                    node.computed &&
+                    node.property.type === "TemplateLiteral" &&
+                    node.property.expressions.length === 0
+                ) {
+                    checkComputedProperty(node, node.property.quasis[0].value.cooked);
+                }
+                if (
+                    !allowKeywords &&
+                    !node.computed &&
+                    keywords.indexOf(String(node.property.name)) !== -1
+                ) {
+                    context.report({
+                        node: node.property,
+                        messageId: "useBrackets",
+                        data: {
+                            key: node.property.name
+                        },
+                        fix(fixer) {
+                            const dot = sourceCode.getTokenBefore(node.property);
+                            const textAfterDot = sourceCode.text.slice(dot.range[1], node.property.range[0]);
+
+                            if (textAfterDot.trim()) {
+
+                                // Don't perform any fixes if there are comments between the dot and the property name.
+                                return null;
+                            }
+
+                            if (node.object.type === "Identifier" && node.object.name === "let") {
+
+                                /*
+                                 * A statement that starts with `let[` is parsed as a destructuring variable declaration, not
+                                 * a MemberExpression.
+                                 */
+                                return null;
+                            }
+
+                            return fixer.replaceTextRange(
+                                [dot.range[0], node.property.range[1]],
+                                `[${textAfterDot}"${node.property.name}"]`
+                            );
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/eol-last.js b/eslint/lib/rules/eol-last.js
new file mode 100644
index 0000000..fbba6c8
--- /dev/null
+++ b/eslint/lib/rules/eol-last.js
@@ -0,0 +1,112 @@
+/**
+ * @fileoverview Require or disallow newline at the end of files
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow newline at the end of files",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/eol-last"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never", "unix", "windows"]
+            }
+        ],
+
+        messages: {
+            missing: "Newline required at end of file but not found.",
+            unexpected: "Newline not allowed at end of file."
+        }
+    },
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: function checkBadEOF(node) {
+                const sourceCode = context.getSourceCode(),
+                    src = sourceCode.getText(),
+                    location = {
+                        column: lodash.last(sourceCode.lines).length,
+                        line: sourceCode.lines.length
+                    },
+                    LF = "\n",
+                    CRLF = `\r${LF}`,
+                    endsWithNewline = lodash.endsWith(src, LF);
+
+                /*
+                 * Empty source is always valid: No content in file so we don't
+                 * need to lint for a newline on the last line of content.
+                 */
+                if (!src.length) {
+                    return;
+                }
+
+                let mode = context.options[0] || "always",
+                    appendCRLF = false;
+
+                if (mode === "unix") {
+
+                    // `"unix"` should behave exactly as `"always"`
+                    mode = "always";
+                }
+                if (mode === "windows") {
+
+                    // `"windows"` should behave exactly as `"always"`, but append CRLF in the fixer for backwards compatibility
+                    mode = "always";
+                    appendCRLF = true;
+                }
+                if (mode === "always" && !endsWithNewline) {
+
+                    // File is not newline-terminated, but should be
+                    context.report({
+                        node,
+                        loc: location,
+                        messageId: "missing",
+                        fix(fixer) {
+                            return fixer.insertTextAfterRange([0, src.length], appendCRLF ? CRLF : LF);
+                        }
+                    });
+                } else if (mode === "never" && endsWithNewline) {
+
+                    // File is newline-terminated, but shouldn't be
+                    context.report({
+                        node,
+                        loc: location,
+                        messageId: "unexpected",
+                        fix(fixer) {
+                            const finalEOLs = /(?:\r?\n)+$/u,
+                                match = finalEOLs.exec(sourceCode.text),
+                                start = match.index,
+                                end = sourceCode.text.length;
+
+                            return fixer.replaceTextRange([start, end], "");
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/eqeqeq.js b/eslint/lib/rules/eqeqeq.js
new file mode 100644
index 0000000..57926db
--- /dev/null
+++ b/eslint/lib/rules/eqeqeq.js
@@ -0,0 +1,174 @@
+/**
+ * @fileoverview Rule to flag statements that use != and == instead of !== and ===
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require the use of `===` and `!==`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/eqeqeq"
+        },
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                null: {
+                                    enum: ["always", "never", "ignore"]
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    additionalItems: false
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["smart", "allow-null"]
+                        }
+                    ],
+                    additionalItems: false
+                }
+            ]
+        },
+
+        fixable: "code",
+
+        messages: {
+            unexpected: "Expected '{{expectedOperator}}' and instead saw '{{actualOperator}}'."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0] || "always";
+        const options = context.options[1] || {};
+        const sourceCode = context.getSourceCode();
+
+        const nullOption = (config === "always")
+            ? options.null || "always"
+            : "ignore";
+        const enforceRuleForNull = (nullOption === "always");
+        const enforceInverseRuleForNull = (nullOption === "never");
+
+        /**
+         * Checks if an expression is a typeof expression
+         * @param  {ASTNode} node The node to check
+         * @returns {boolean} if the node is a typeof expression
+         */
+        function isTypeOf(node) {
+            return node.type === "UnaryExpression" && node.operator === "typeof";
+        }
+
+        /**
+         * Checks if either operand of a binary expression is a typeof operation
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} if one of the operands is typeof
+         * @private
+         */
+        function isTypeOfBinary(node) {
+            return isTypeOf(node.left) || isTypeOf(node.right);
+        }
+
+        /**
+         * Checks if operands are literals of the same type (via typeof)
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} if operands are of same type
+         * @private
+         */
+        function areLiteralsAndSameType(node) {
+            return node.left.type === "Literal" && node.right.type === "Literal" &&
+                    typeof node.left.value === typeof node.right.value;
+        }
+
+        /**
+         * Checks if one of the operands is a literal null
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} if operands are null
+         * @private
+         */
+        function isNullCheck(node) {
+            return astUtils.isNullLiteral(node.right) || astUtils.isNullLiteral(node.left);
+        }
+
+        /**
+         * Reports a message for this rule.
+         * @param {ASTNode} node The binary expression node that was checked
+         * @param {string} expectedOperator The operator that was expected (either '==', '!=', '===', or '!==')
+         * @returns {void}
+         * @private
+         */
+        function report(node, expectedOperator) {
+            const operatorToken = sourceCode.getFirstTokenBetween(
+                node.left,
+                node.right,
+                token => token.value === node.operator
+            );
+
+            context.report({
+                node,
+                loc: operatorToken.loc,
+                messageId: "unexpected",
+                data: { expectedOperator, actualOperator: node.operator },
+                fix(fixer) {
+
+                    // If the comparison is a `typeof` comparison or both sides are literals with the same type, then it's safe to fix.
+                    if (isTypeOfBinary(node) || areLiteralsAndSameType(node)) {
+                        return fixer.replaceText(operatorToken, expectedOperator);
+                    }
+                    return null;
+                }
+            });
+        }
+
+        return {
+            BinaryExpression(node) {
+                const isNull = isNullCheck(node);
+
+                if (node.operator !== "==" && node.operator !== "!=") {
+                    if (enforceInverseRuleForNull && isNull) {
+                        report(node, node.operator.slice(0, -1));
+                    }
+                    return;
+                }
+
+                if (config === "smart" && (isTypeOfBinary(node) ||
+                        areLiteralsAndSameType(node) || isNull)) {
+                    return;
+                }
+
+                if (!enforceRuleForNull && isNull) {
+                    return;
+                }
+
+                report(node, `${node.operator}=`);
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/for-direction.js b/eslint/lib/rules/for-direction.js
new file mode 100644
index 0000000..c15d10e
--- /dev/null
+++ b/eslint/lib/rules/for-direction.js
@@ -0,0 +1,126 @@
+/**
+ * @fileoverview enforce "for" loop update clause moving the counter in the right direction.(for-direction)
+ * @author Aladdin-ADD<hh_2013@foxmail.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "enforce \"for\" loop update clause moving the counter in the right direction.",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/for-direction"
+        },
+
+        fixable: null,
+        schema: [],
+
+        messages: {
+            incorrectDirection: "The update clause in this loop moves the variable in the wrong direction."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * report an error.
+         * @param {ASTNode} node the node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "incorrectDirection"
+            });
+        }
+
+        /**
+         * check the right side of the assignment
+         * @param {ASTNode} update UpdateExpression to check
+         * @param {int} dir expected direction that could either be turned around or invalidated
+         * @returns {int} return dir, the negated dir or zero if it's not clear for identifiers
+         */
+        function getRightDirection(update, dir) {
+            if (update.right.type === "UnaryExpression") {
+                if (update.right.operator === "-") {
+                    return -dir;
+                }
+            } else if (update.right.type === "Identifier") {
+                return 0;
+            }
+            return dir;
+        }
+
+        /**
+         * check UpdateExpression add/sub the counter
+         * @param {ASTNode} update UpdateExpression to check
+         * @param {string} counter variable name to check
+         * @returns {int} if add return 1, if sub return -1, if nochange, return 0
+         */
+        function getUpdateDirection(update, counter) {
+            if (update.argument.type === "Identifier" && update.argument.name === counter) {
+                if (update.operator === "++") {
+                    return 1;
+                }
+                if (update.operator === "--") {
+                    return -1;
+                }
+            }
+            return 0;
+        }
+
+        /**
+         * check AssignmentExpression add/sub the counter
+         * @param {ASTNode} update AssignmentExpression to check
+         * @param {string} counter variable name to check
+         * @returns {int} if add return 1, if sub return -1, if nochange, return 0
+         */
+        function getAssignmentDirection(update, counter) {
+            if (update.left.name === counter) {
+                if (update.operator === "+=") {
+                    return getRightDirection(update, 1);
+                }
+                if (update.operator === "-=") {
+                    return getRightDirection(update, -1);
+                }
+            }
+            return 0;
+        }
+        return {
+            ForStatement(node) {
+
+                if (node.test && node.test.type === "BinaryExpression" && node.test.left.type === "Identifier" && node.update) {
+                    const counter = node.test.left.name;
+                    const operator = node.test.operator;
+                    const update = node.update;
+
+                    let wrongDirection;
+
+                    if (operator === "<" || operator === "<=") {
+                        wrongDirection = -1;
+                    } else if (operator === ">" || operator === ">=") {
+                        wrongDirection = 1;
+                    } else {
+                        return;
+                    }
+
+                    if (update.type === "UpdateExpression") {
+                        if (getUpdateDirection(update, counter) === wrongDirection) {
+                            report(node);
+                        }
+                    } else if (update.type === "AssignmentExpression" && getAssignmentDirection(update, counter) === wrongDirection) {
+                        report(node);
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/func-call-spacing.js b/eslint/lib/rules/func-call-spacing.js
new file mode 100644
index 0000000..e2edd42
--- /dev/null
+++ b/eslint/lib/rules/func-call-spacing.js
@@ -0,0 +1,178 @@
+/**
+ * @fileoverview Rule to control spacing within function calls
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow spacing between function identifiers and their invocations",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/func-call-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["never"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                allowNewlines: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        messages: {
+            unexpected: "Unexpected newline between function name and paren.",
+            missing: "Missing space between function name and paren."
+        }
+    },
+
+    create(context) {
+
+        const never = context.options[0] !== "always";
+        const allowNewlines = !never && context.options[1] && context.options[1].allowNewlines;
+        const sourceCode = context.getSourceCode();
+        const text = sourceCode.getText();
+
+        /**
+         * Check if open space is present in a function name
+         * @param {ASTNode} node node to evaluate
+         * @param {Token} leftToken The last token of the callee. This may be the closing parenthesis that encloses the callee.
+         * @param {Token} rightToken Tha first token of the arguments. this is the opening parenthesis that encloses the arguments.
+         * @returns {void}
+         * @private
+         */
+        function checkSpacing(node, leftToken, rightToken) {
+            const textBetweenTokens = text.slice(leftToken.range[1], rightToken.range[0]).replace(/\/\*.*?\*\//gu, "");
+            const hasWhitespace = /\s/u.test(textBetweenTokens);
+            const hasNewline = hasWhitespace && astUtils.LINEBREAK_MATCHER.test(textBetweenTokens);
+
+            /*
+             * never allowNewlines hasWhitespace hasNewline message
+             * F     F             F             F          Missing space between function name and paren.
+             * F     F             F             T          (Invalid `!hasWhitespace && hasNewline`)
+             * F     F             T             T          Unexpected newline between function name and paren.
+             * F     F             T             F          (OK)
+             * F     T             T             F          (OK)
+             * F     T             T             T          (OK)
+             * F     T             F             T          (Invalid `!hasWhitespace && hasNewline`)
+             * F     T             F             F          Missing space between function name and paren.
+             * T     T             F             F          (Invalid `never && allowNewlines`)
+             * T     T             F             T          (Invalid `!hasWhitespace && hasNewline`)
+             * T     T             T             T          (Invalid `never && allowNewlines`)
+             * T     T             T             F          (Invalid `never && allowNewlines`)
+             * T     F             T             F          Unexpected space between function name and paren.
+             * T     F             T             T          Unexpected space between function name and paren.
+             * T     F             F             T          (Invalid `!hasWhitespace && hasNewline`)
+             * T     F             F             F          (OK)
+             *
+             * T                   T                        Unexpected space between function name and paren.
+             * F                   F                        Missing space between function name and paren.
+             * F     F                           T          Unexpected newline between function name and paren.
+             */
+
+            if (never && hasWhitespace) {
+                context.report({
+                    node,
+                    loc: leftToken.loc.start,
+                    messageId: "unexpected",
+                    fix(fixer) {
+
+                        /*
+                         * Only autofix if there is no newline
+                         * https://github.com/eslint/eslint/issues/7787
+                         */
+                        if (!hasNewline) {
+                            return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+                        }
+
+                        return null;
+                    }
+                });
+            } else if (!never && !hasWhitespace) {
+                context.report({
+                    node,
+                    loc: leftToken.loc.start,
+                    messageId: "missing",
+                    fix(fixer) {
+                        return fixer.insertTextBefore(rightToken, " ");
+                    }
+                });
+            } else if (!never && !allowNewlines && hasNewline) {
+                context.report({
+                    node,
+                    loc: leftToken.loc.start,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], " ");
+                    }
+                });
+            }
+        }
+
+        return {
+            "CallExpression, NewExpression"(node) {
+                const lastToken = sourceCode.getLastToken(node);
+                const lastCalleeToken = sourceCode.getLastToken(node.callee);
+                const parenToken = sourceCode.getFirstTokenBetween(lastCalleeToken, lastToken, astUtils.isOpeningParenToken);
+                const prevToken = parenToken && sourceCode.getTokenBefore(parenToken);
+
+                // Parens in NewExpression are optional
+                if (!(parenToken && parenToken.range[1] < node.range[1])) {
+                    return;
+                }
+
+                checkSpacing(node, prevToken, parenToken);
+            },
+
+            ImportExpression(node) {
+                const leftToken = sourceCode.getFirstToken(node);
+                const rightToken = sourceCode.getTokenAfter(leftToken);
+
+                checkSpacing(node, leftToken, rightToken);
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/func-name-matching.js b/eslint/lib/rules/func-name-matching.js
new file mode 100644
index 0000000..83430ff
--- /dev/null
+++ b/eslint/lib/rules/func-name-matching.js
@@ -0,0 +1,252 @@
+/**
+ * @fileoverview Rule to require function names to match the name of the variable or property to which they are assigned.
+ * @author Annie Zhang, Pavel Strashkin
+ */
+
+"use strict";
+
+//--------------------------------------------------------------------------
+// Requirements
+//--------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const esutils = require("esutils");
+
+//--------------------------------------------------------------------------
+// Helpers
+//--------------------------------------------------------------------------
+
+/**
+ * Determines if a pattern is `module.exports` or `module["exports"]`
+ * @param {ASTNode} pattern The left side of the AssignmentExpression
+ * @returns {boolean} True if the pattern is `module.exports` or `module["exports"]`
+ */
+function isModuleExports(pattern) {
+    if (pattern.type === "MemberExpression" && pattern.object.type === "Identifier" && pattern.object.name === "module") {
+
+        // module.exports
+        if (pattern.property.type === "Identifier" && pattern.property.name === "exports") {
+            return true;
+        }
+
+        // module["exports"]
+        if (pattern.property.type === "Literal" && pattern.property.value === "exports") {
+            return true;
+        }
+    }
+    return false;
+}
+
+/**
+ * Determines if a string name is a valid identifier
+ * @param {string} name The string to be checked
+ * @param {int} ecmaVersion The ECMAScript version if specified in the parserOptions config
+ * @returns {boolean} True if the string is a valid identifier
+ */
+function isIdentifier(name, ecmaVersion) {
+    if (ecmaVersion >= 6) {
+        return esutils.keyword.isIdentifierES6(name);
+    }
+    return esutils.keyword.isIdentifierES5(name);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const alwaysOrNever = { enum: ["always", "never"] };
+const optionsObject = {
+    type: "object",
+    properties: {
+        considerPropertyDescriptor: {
+            type: "boolean"
+        },
+        includeCommonJSModuleExports: {
+            type: "boolean"
+        }
+    },
+    additionalProperties: false
+};
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require function names to match the name of the variable or property to which they are assigned",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/func-name-matching"
+        },
+
+        schema: {
+            anyOf: [{
+                type: "array",
+                additionalItems: false,
+                items: [alwaysOrNever, optionsObject]
+            }, {
+                type: "array",
+                additionalItems: false,
+                items: [optionsObject]
+            }]
+        },
+
+        messages: {
+            matchProperty: "Function name `{{funcName}}` should match property name `{{name}}`.",
+            matchVariable: "Function name `{{funcName}}` should match variable name `{{name}}`.",
+            notMatchProperty: "Function name `{{funcName}}` should not match property name `{{name}}`.",
+            notMatchVariable: "Function name `{{funcName}}` should not match variable name `{{name}}`."
+        }
+    },
+
+    create(context) {
+        const options = (typeof context.options[0] === "object" ? context.options[0] : context.options[1]) || {};
+        const nameMatches = typeof context.options[0] === "string" ? context.options[0] : "always";
+        const considerPropertyDescriptor = options.considerPropertyDescriptor;
+        const includeModuleExports = options.includeCommonJSModuleExports;
+        const ecmaVersion = context.parserOptions && context.parserOptions.ecmaVersion ? context.parserOptions.ecmaVersion : 5;
+
+        /**
+         * Check whether node is a certain CallExpression.
+         * @param {string} objName object name
+         * @param {string} funcName function name
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} `true` if node matches CallExpression
+         */
+        function isPropertyCall(objName, funcName, node) {
+            if (!node) {
+                return false;
+            }
+            return node.type === "CallExpression" &&
+                node.callee.type === "MemberExpression" &&
+                node.callee.object.name === objName &&
+                node.callee.property.name === funcName;
+        }
+
+        /**
+         * Compares identifiers based on the nameMatches option
+         * @param {string} x the first identifier
+         * @param {string} y the second identifier
+         * @returns {boolean} whether the two identifiers should warn.
+         */
+        function shouldWarn(x, y) {
+            return (nameMatches === "always" && x !== y) || (nameMatches === "never" && x === y);
+        }
+
+        /**
+         * Reports
+         * @param {ASTNode} node The node to report
+         * @param {string} name The variable or property name
+         * @param {string} funcName The function name
+         * @param {boolean} isProp True if the reported node is a property assignment
+         * @returns {void}
+         */
+        function report(node, name, funcName, isProp) {
+            let messageId;
+
+            if (nameMatches === "always" && isProp) {
+                messageId = "matchProperty";
+            } else if (nameMatches === "always") {
+                messageId = "matchVariable";
+            } else if (isProp) {
+                messageId = "notMatchProperty";
+            } else {
+                messageId = "notMatchVariable";
+            }
+            context.report({
+                node,
+                messageId,
+                data: {
+                    name,
+                    funcName
+                }
+            });
+        }
+
+        /**
+         * Determines whether a given node is a string literal
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} `true` if the node is a string literal
+         */
+        function isStringLiteral(node) {
+            return node.type === "Literal" && typeof node.value === "string";
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            VariableDeclarator(node) {
+                if (!node.init || node.init.type !== "FunctionExpression" || node.id.type !== "Identifier") {
+                    return;
+                }
+                if (node.init.id && shouldWarn(node.id.name, node.init.id.name)) {
+                    report(node, node.id.name, node.init.id.name, false);
+                }
+            },
+
+            AssignmentExpression(node) {
+                if (
+                    node.right.type !== "FunctionExpression" ||
+                    (node.left.computed && node.left.property.type !== "Literal") ||
+                    (!includeModuleExports && isModuleExports(node.left)) ||
+                    (node.left.type !== "Identifier" && node.left.type !== "MemberExpression")
+                ) {
+                    return;
+                }
+
+                const isProp = node.left.type === "MemberExpression";
+                const name = isProp ? astUtils.getStaticPropertyName(node.left) : node.left.name;
+
+                if (node.right.id && isIdentifier(name) && shouldWarn(name, node.right.id.name)) {
+                    report(node, name, node.right.id.name, isProp);
+                }
+            },
+
+            Property(node) {
+                if (node.value.type !== "FunctionExpression" || !node.value.id || node.computed && !isStringLiteral(node.key)) {
+                    return;
+                }
+
+                if (node.key.type === "Identifier") {
+                    const functionName = node.value.id.name;
+                    let propertyName = node.key.name;
+
+                    if (considerPropertyDescriptor && propertyName === "value") {
+                        if (isPropertyCall("Object", "defineProperty", node.parent.parent) || isPropertyCall("Reflect", "defineProperty", node.parent.parent)) {
+                            const property = node.parent.parent.arguments[1];
+
+                            if (isStringLiteral(property) && shouldWarn(property.value, functionName)) {
+                                report(node, property.value, functionName, true);
+                            }
+                        } else if (isPropertyCall("Object", "defineProperties", node.parent.parent.parent.parent)) {
+                            propertyName = node.parent.parent.key.name;
+                            if (!node.parent.parent.computed && shouldWarn(propertyName, functionName)) {
+                                report(node, propertyName, functionName, true);
+                            }
+                        } else if (isPropertyCall("Object", "create", node.parent.parent.parent.parent)) {
+                            propertyName = node.parent.parent.key.name;
+                            if (!node.parent.parent.computed && shouldWarn(propertyName, functionName)) {
+                                report(node, propertyName, functionName, true);
+                            }
+                        } else if (shouldWarn(propertyName, functionName)) {
+                            report(node, propertyName, functionName, true);
+                        }
+                    } else if (shouldWarn(propertyName, functionName)) {
+                        report(node, propertyName, functionName, true);
+                    }
+                    return;
+                }
+
+                if (
+                    isStringLiteral(node.key) &&
+                    isIdentifier(node.key.value, ecmaVersion) &&
+                    shouldWarn(node.key.value, node.value.id.name)
+                ) {
+                    report(node, node.key.value, node.value.id.name, true);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/func-names.js b/eslint/lib/rules/func-names.js
new file mode 100644
index 0000000..ecfedb9
--- /dev/null
+++ b/eslint/lib/rules/func-names.js
@@ -0,0 +1,190 @@
+/**
+ * @fileoverview Rule to warn when a function expression does not have a name.
+ * @author Kyle T. Nunery
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+/**
+ * Checks whether or not a given variable is a function name.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function name.
+ */
+function isFunctionName(variable) {
+    return variable && variable.defs[0].type === "FunctionName";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow named `function` expressions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/func-names"
+        },
+
+        schema: {
+            definitions: {
+                value: {
+                    enum: [
+                        "always",
+                        "as-needed",
+                        "never"
+                    ]
+                }
+            },
+            items: [
+                {
+                    $ref: "#/definitions/value"
+                },
+                {
+                    type: "object",
+                    properties: {
+                        generators: {
+                            $ref: "#/definitions/value"
+                        }
+                    },
+                    additionalProperties: false
+                }
+            ]
+        },
+
+        messages: {
+            unnamed: "Unexpected unnamed {{name}}.",
+            named: "Unexpected named {{name}}."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Returns the config option for the given node.
+         * @param {ASTNode} node A node to get the config for.
+         * @returns {string} The config option.
+         */
+        function getConfigForNode(node) {
+            if (
+                node.generator &&
+                context.options.length > 1 &&
+                context.options[1].generators
+            ) {
+                return context.options[1].generators;
+            }
+
+            return context.options[0] || "always";
+        }
+
+        /**
+         * Determines whether the current FunctionExpression node is a get, set, or
+         * shorthand method in an object literal or a class.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} True if the node is a get, set, or shorthand method.
+         */
+        function isObjectOrClassMethod(node) {
+            const parent = node.parent;
+
+            return (parent.type === "MethodDefinition" || (
+                parent.type === "Property" && (
+                    parent.method ||
+                    parent.kind === "get" ||
+                    parent.kind === "set"
+                )
+            ));
+        }
+
+        /**
+         * Determines whether the current FunctionExpression node has a name that would be
+         * inferred from context in a conforming ES6 environment.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} True if the node would have a name assigned automatically.
+         */
+        function hasInferredName(node) {
+            const parent = node.parent;
+
+            return isObjectOrClassMethod(node) ||
+                (parent.type === "VariableDeclarator" && parent.id.type === "Identifier" && parent.init === node) ||
+                (parent.type === "Property" && parent.value === node) ||
+                (parent.type === "AssignmentExpression" && parent.left.type === "Identifier" && parent.right === node) ||
+                (parent.type === "AssignmentPattern" && parent.left.type === "Identifier" && parent.right === node);
+        }
+
+        /**
+         * Reports that an unnamed function should be named
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @returns {void}
+         */
+        function reportUnexpectedUnnamedFunction(node) {
+            context.report({
+                node,
+                messageId: "unnamed",
+                loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+                data: { name: astUtils.getFunctionNameWithKind(node) }
+            });
+        }
+
+        /**
+         * Reports that a named function should be unnamed
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @returns {void}
+         */
+        function reportUnexpectedNamedFunction(node) {
+            context.report({
+                node,
+                messageId: "named",
+                loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+                data: { name: astUtils.getFunctionNameWithKind(node) }
+            });
+        }
+
+        /**
+         * The listener for function nodes.
+         * @param {ASTNode} node function node
+         * @returns {void}
+         */
+        function handleFunction(node) {
+
+            // Skip recursive functions.
+            const nameVar = context.getDeclaredVariables(node)[0];
+
+            if (isFunctionName(nameVar) && nameVar.references.length > 0) {
+                return;
+            }
+
+            const hasName = Boolean(node.id && node.id.name);
+            const config = getConfigForNode(node);
+
+            if (config === "never") {
+                if (hasName && node.type !== "FunctionDeclaration") {
+                    reportUnexpectedNamedFunction(node);
+                }
+            } else if (config === "as-needed") {
+                if (!hasName && !hasInferredName(node)) {
+                    reportUnexpectedUnnamedFunction(node);
+                }
+            } else {
+                if (!hasName && !isObjectOrClassMethod(node)) {
+                    reportUnexpectedUnnamedFunction(node);
+                }
+            }
+        }
+
+        return {
+            "FunctionExpression:exit": handleFunction,
+            "ExportDefaultDeclaration > FunctionDeclaration": handleFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/func-style.js b/eslint/lib/rules/func-style.js
new file mode 100644
index 0000000..e150b1a
--- /dev/null
+++ b/eslint/lib/rules/func-style.js
@@ -0,0 +1,98 @@
+/**
+ * @fileoverview Rule to enforce a particular function style
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce the consistent use of either `function` declarations or expressions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/func-style"
+        },
+
+        schema: [
+            {
+                enum: ["declaration", "expression"]
+            },
+            {
+                type: "object",
+                properties: {
+                    allowArrowFunctions: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            expression: "Expected a function expression.",
+            declaration: "Expected a function declaration."
+        }
+    },
+
+    create(context) {
+
+        const style = context.options[0],
+            allowArrowFunctions = context.options[1] && context.options[1].allowArrowFunctions,
+            enforceDeclarations = (style === "declaration"),
+            stack = [];
+
+        const nodesToCheck = {
+            FunctionDeclaration(node) {
+                stack.push(false);
+
+                if (!enforceDeclarations && node.parent.type !== "ExportDefaultDeclaration") {
+                    context.report({ node, messageId: "expression" });
+                }
+            },
+            "FunctionDeclaration:exit"() {
+                stack.pop();
+            },
+
+            FunctionExpression(node) {
+                stack.push(false);
+
+                if (enforceDeclarations && node.parent.type === "VariableDeclarator") {
+                    context.report({ node: node.parent, messageId: "declaration" });
+                }
+            },
+            "FunctionExpression:exit"() {
+                stack.pop();
+            },
+
+            ThisExpression() {
+                if (stack.length > 0) {
+                    stack[stack.length - 1] = true;
+                }
+            }
+        };
+
+        if (!allowArrowFunctions) {
+            nodesToCheck.ArrowFunctionExpression = function() {
+                stack.push(false);
+            };
+
+            nodesToCheck["ArrowFunctionExpression:exit"] = function(node) {
+                const hasThisExpr = stack.pop();
+
+                if (enforceDeclarations && !hasThisExpr && node.parent.type === "VariableDeclarator") {
+                    context.report({ node: node.parent, messageId: "declaration" });
+                }
+            };
+        }
+
+        return nodesToCheck;
+
+    }
+};
diff --git a/eslint/lib/rules/function-call-argument-newline.js b/eslint/lib/rules/function-call-argument-newline.js
new file mode 100644
index 0000000..b6abbe9
--- /dev/null
+++ b/eslint/lib/rules/function-call-argument-newline.js
@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Rule to enforce line breaks between arguments of a function call
+ * @author Alexey Gonchar <https://github.com/finico>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce line breaks between arguments of a function call",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/function-call-argument-newline"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never", "consistent"]
+            }
+        ],
+
+        messages: {
+            unexpectedLineBreak: "There should be no line break here.",
+            missingLineBreak: "There should be a line break after this argument."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        const checkers = {
+            unexpected: {
+                messageId: "unexpectedLineBreak",
+                check: (prevToken, currentToken) => prevToken.loc.end.line !== currentToken.loc.start.line,
+                createFix: (token, tokenBefore) => fixer =>
+                    fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], " ")
+            },
+            missing: {
+                messageId: "missingLineBreak",
+                check: (prevToken, currentToken) => prevToken.loc.end.line === currentToken.loc.start.line,
+                createFix: (token, tokenBefore) => fixer =>
+                    fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], "\n")
+            }
+        };
+
+        /**
+         * Check all arguments for line breaks in the CallExpression
+         * @param {CallExpression} node node to evaluate
+         * @param {{ messageId: string, check: Function }} checker selected checker
+         * @returns {void}
+         * @private
+         */
+        function checkArguments(node, checker) {
+            for (let i = 1; i < node.arguments.length; i++) {
+                const prevArgToken = sourceCode.getLastToken(node.arguments[i - 1]);
+                const currentArgToken = sourceCode.getFirstToken(node.arguments[i]);
+
+                if (checker.check(prevArgToken, currentArgToken)) {
+                    const tokenBefore = sourceCode.getTokenBefore(
+                        currentArgToken,
+                        { includeComments: true }
+                    );
+
+                    const hasLineCommentBefore = tokenBefore.type === "Line";
+
+                    context.report({
+                        node,
+                        loc: {
+                            start: tokenBefore.loc.end,
+                            end: currentArgToken.loc.start
+                        },
+                        messageId: checker.messageId,
+                        fix: hasLineCommentBefore ? null : checker.createFix(currentArgToken, tokenBefore)
+                    });
+                }
+            }
+        }
+
+        /**
+         * Check if open space is present in a function name
+         * @param {CallExpression} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function check(node) {
+            if (node.arguments.length < 2) {
+                return;
+            }
+
+            const option = context.options[0] || "always";
+
+            if (option === "never") {
+                checkArguments(node, checkers.unexpected);
+            } else if (option === "always") {
+                checkArguments(node, checkers.missing);
+            } else if (option === "consistent") {
+                const firstArgToken = sourceCode.getLastToken(node.arguments[0]);
+                const secondArgToken = sourceCode.getFirstToken(node.arguments[1]);
+
+                if (firstArgToken.loc.end.line === secondArgToken.loc.start.line) {
+                    checkArguments(node, checkers.unexpected);
+                } else {
+                    checkArguments(node, checkers.missing);
+                }
+            }
+        }
+
+        return {
+            CallExpression: check,
+            NewExpression: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/function-paren-newline.js b/eslint/lib/rules/function-paren-newline.js
new file mode 100644
index 0000000..894c8e3
--- /dev/null
+++ b/eslint/lib/rules/function-paren-newline.js
@@ -0,0 +1,281 @@
+/**
+ * @fileoverview enforce consistent line breaks inside function parentheses
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent line breaks inside function parentheses",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/function-paren-newline"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never", "consistent", "multiline", "multiline-arguments"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            minItems: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            expectedBefore: "Expected newline before ')'.",
+            expectedAfter: "Expected newline after '('.",
+            expectedBetween: "Expected newline between arguments/params.",
+            unexpectedBefore: "Unexpected newline before ')'.",
+            unexpectedAfter: "Unexpected newline after '('."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const rawOption = context.options[0] || "multiline";
+        const multilineOption = rawOption === "multiline";
+        const multilineArgumentsOption = rawOption === "multiline-arguments";
+        const consistentOption = rawOption === "consistent";
+        let minItems;
+
+        if (typeof rawOption === "object") {
+            minItems = rawOption.minItems;
+        } else if (rawOption === "always") {
+            minItems = 0;
+        } else if (rawOption === "never") {
+            minItems = Infinity;
+        } else {
+            minItems = null;
+        }
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Determines whether there should be newlines inside function parens
+         * @param {ASTNode[]} elements The arguments or parameters in the list
+         * @param {boolean} hasLeftNewline `true` if the left paren has a newline in the current code.
+         * @returns {boolean} `true` if there should be newlines inside the function parens
+         */
+        function shouldHaveNewlines(elements, hasLeftNewline) {
+            if (multilineArgumentsOption && elements.length === 1) {
+                return hasLeftNewline;
+            }
+            if (multilineOption || multilineArgumentsOption) {
+                return elements.some((element, index) => index !== elements.length - 1 && element.loc.end.line !== elements[index + 1].loc.start.line);
+            }
+            if (consistentOption) {
+                return hasLeftNewline;
+            }
+            return elements.length >= minItems;
+        }
+
+        /**
+         * Validates parens
+         * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token
+         * @param {ASTNode[]} elements The arguments or parameters in the list
+         * @returns {void}
+         */
+        function validateParens(parens, elements) {
+            const leftParen = parens.leftParen;
+            const rightParen = parens.rightParen;
+            const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen);
+            const tokenBeforeRightParen = sourceCode.getTokenBefore(rightParen);
+            const hasLeftNewline = !astUtils.isTokenOnSameLine(leftParen, tokenAfterLeftParen);
+            const hasRightNewline = !astUtils.isTokenOnSameLine(tokenBeforeRightParen, rightParen);
+            const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline);
+
+            if (hasLeftNewline && !needsNewlines) {
+                context.report({
+                    node: leftParen,
+                    messageId: "unexpectedAfter",
+                    fix(fixer) {
+                        return sourceCode.getText().slice(leftParen.range[1], tokenAfterLeftParen.range[0]).trim()
+
+                            // If there is a comment between the ( and the first element, don't do a fix.
+                            ? null
+                            : fixer.removeRange([leftParen.range[1], tokenAfterLeftParen.range[0]]);
+                    }
+                });
+            } else if (!hasLeftNewline && needsNewlines) {
+                context.report({
+                    node: leftParen,
+                    messageId: "expectedAfter",
+                    fix: fixer => fixer.insertTextAfter(leftParen, "\n")
+                });
+            }
+
+            if (hasRightNewline && !needsNewlines) {
+                context.report({
+                    node: rightParen,
+                    messageId: "unexpectedBefore",
+                    fix(fixer) {
+                        return sourceCode.getText().slice(tokenBeforeRightParen.range[1], rightParen.range[0]).trim()
+
+                            // If there is a comment between the last element and the ), don't do a fix.
+                            ? null
+                            : fixer.removeRange([tokenBeforeRightParen.range[1], rightParen.range[0]]);
+                    }
+                });
+            } else if (!hasRightNewline && needsNewlines) {
+                context.report({
+                    node: rightParen,
+                    messageId: "expectedBefore",
+                    fix: fixer => fixer.insertTextBefore(rightParen, "\n")
+                });
+            }
+        }
+
+        /**
+         * Validates a list of arguments or parameters
+         * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token
+         * @param {ASTNode[]} elements The arguments or parameters in the list
+         * @returns {void}
+         */
+        function validateArguments(parens, elements) {
+            const leftParen = parens.leftParen;
+            const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen);
+            const hasLeftNewline = !astUtils.isTokenOnSameLine(leftParen, tokenAfterLeftParen);
+            const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline);
+
+            for (let i = 0; i <= elements.length - 2; i++) {
+                const currentElement = elements[i];
+                const nextElement = elements[i + 1];
+                const hasNewLine = currentElement.loc.end.line !== nextElement.loc.start.line;
+
+                if (!hasNewLine && needsNewlines) {
+                    context.report({
+                        node: currentElement,
+                        messageId: "expectedBetween",
+                        fix: fixer => fixer.insertTextBefore(nextElement, "\n")
+                    });
+                }
+            }
+        }
+
+        /**
+         * Gets the left paren and right paren tokens of a node.
+         * @param {ASTNode} node The node with parens
+         * @returns {Object} An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token.
+         * Can also return `null` if an expression has no parens (e.g. a NewExpression with no arguments, or an ArrowFunctionExpression
+         * with a single parameter)
+         */
+        function getParenTokens(node) {
+            switch (node.type) {
+                case "NewExpression":
+                    if (!node.arguments.length && !(
+                        astUtils.isOpeningParenToken(sourceCode.getLastToken(node, { skip: 1 })) &&
+                        astUtils.isClosingParenToken(sourceCode.getLastToken(node))
+                    )) {
+
+                        // If the NewExpression does not have parens (e.g. `new Foo`), return null.
+                        return null;
+                    }
+
+                    // falls through
+
+                case "CallExpression":
+                    return {
+                        leftParen: sourceCode.getTokenAfter(node.callee, astUtils.isOpeningParenToken),
+                        rightParen: sourceCode.getLastToken(node)
+                    };
+
+                case "FunctionDeclaration":
+                case "FunctionExpression": {
+                    const leftParen = sourceCode.getFirstToken(node, astUtils.isOpeningParenToken);
+                    const rightParen = node.params.length
+                        ? sourceCode.getTokenAfter(node.params[node.params.length - 1], astUtils.isClosingParenToken)
+                        : sourceCode.getTokenAfter(leftParen);
+
+                    return { leftParen, rightParen };
+                }
+
+                case "ArrowFunctionExpression": {
+                    const firstToken = sourceCode.getFirstToken(node);
+
+                    if (!astUtils.isOpeningParenToken(firstToken)) {
+
+                        // If the ArrowFunctionExpression has a single param without parens, return null.
+                        return null;
+                    }
+
+                    return {
+                        leftParen: firstToken,
+                        rightParen: sourceCode.getTokenBefore(node.body, astUtils.isClosingParenToken)
+                    };
+                }
+
+                case "ImportExpression": {
+                    const leftParen = sourceCode.getFirstToken(node, 1);
+                    const rightParen = sourceCode.getLastToken(node);
+
+                    return { leftParen, rightParen };
+                }
+
+                default:
+                    throw new TypeError(`unexpected node with type ${node.type}`);
+            }
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            [[
+                "ArrowFunctionExpression",
+                "CallExpression",
+                "FunctionDeclaration",
+                "FunctionExpression",
+                "ImportExpression",
+                "NewExpression"
+            ]](node) {
+                const parens = getParenTokens(node);
+                let params;
+
+                if (node.type === "ImportExpression") {
+                    params = [node.source];
+                } else if (astUtils.isFunction(node)) {
+                    params = node.params;
+                } else {
+                    params = node.arguments;
+                }
+
+                if (parens) {
+                    validateParens(parens, params);
+
+                    if (multilineArgumentsOption) {
+                        validateArguments(parens, params);
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/generator-star-spacing.js b/eslint/lib/rules/generator-star-spacing.js
new file mode 100644
index 0000000..65534f7
--- /dev/null
+++ b/eslint/lib/rules/generator-star-spacing.js
@@ -0,0 +1,206 @@
+/**
+ * @fileoverview Rule to check the spacing around the * in generator functions.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const OVERRIDE_SCHEMA = {
+    oneOf: [
+        {
+            enum: ["before", "after", "both", "neither"]
+        },
+        {
+            type: "object",
+            properties: {
+                before: { type: "boolean" },
+                after: { type: "boolean" }
+            },
+            additionalProperties: false
+        }
+    ]
+};
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing around `*` operators in generator functions",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/generator-star-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["before", "after", "both", "neither"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            before: { type: "boolean" },
+                            after: { type: "boolean" },
+                            named: OVERRIDE_SCHEMA,
+                            anonymous: OVERRIDE_SCHEMA,
+                            method: OVERRIDE_SCHEMA
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            missingBefore: "Missing space before *.",
+            missingAfter: "Missing space after *.",
+            unexpectedBefore: "Unexpected space before *.",
+            unexpectedAfter: "Unexpected space after *."
+        }
+    },
+
+    create(context) {
+
+        const optionDefinitions = {
+            before: { before: true, after: false },
+            after: { before: false, after: true },
+            both: { before: true, after: true },
+            neither: { before: false, after: false }
+        };
+
+        /**
+         * Returns resolved option definitions based on an option and defaults
+         * @param {any} option The option object or string value
+         * @param {Object} defaults The defaults to use if options are not present
+         * @returns {Object} the resolved object definition
+         */
+        function optionToDefinition(option, defaults) {
+            if (!option) {
+                return defaults;
+            }
+
+            return typeof option === "string"
+                ? optionDefinitions[option]
+                : Object.assign({}, defaults, option);
+        }
+
+        const modes = (function(option) {
+            const defaults = optionToDefinition(option, optionDefinitions.before);
+
+            return {
+                named: optionToDefinition(option.named, defaults),
+                anonymous: optionToDefinition(option.anonymous, defaults),
+                method: optionToDefinition(option.method, defaults)
+            };
+        }(context.options[0] || {}));
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Checks if the given token is a star token or not.
+         * @param {Token} token The token to check.
+         * @returns {boolean} `true` if the token is a star token.
+         */
+        function isStarToken(token) {
+            return token.value === "*" && token.type === "Punctuator";
+        }
+
+        /**
+         * Gets the generator star token of the given function node.
+         * @param {ASTNode} node The function node to get.
+         * @returns {Token} Found star token.
+         */
+        function getStarToken(node) {
+            return sourceCode.getFirstToken(
+                (node.parent.method || node.parent.type === "MethodDefinition") ? node.parent : node,
+                isStarToken
+            );
+        }
+
+        /**
+         * capitalize a given string.
+         * @param {string} str the given string.
+         * @returns {string} the capitalized string.
+         */
+        function capitalize(str) {
+            return str[0].toUpperCase() + str.slice(1);
+        }
+
+        /**
+         * Checks the spacing between two tokens before or after the star token.
+         * @param {string} kind Either "named", "anonymous", or "method"
+         * @param {string} side Either "before" or "after".
+         * @param {Token} leftToken `function` keyword token if side is "before", or
+         *     star token if side is "after".
+         * @param {Token} rightToken Star token if side is "before", or identifier
+         *     token if side is "after".
+         * @returns {void}
+         */
+        function checkSpacing(kind, side, leftToken, rightToken) {
+            if (!!(rightToken.range[0] - leftToken.range[1]) !== modes[kind][side]) {
+                const after = leftToken.value === "*";
+                const spaceRequired = modes[kind][side];
+                const node = after ? leftToken : rightToken;
+                const messageId = `${spaceRequired ? "missing" : "unexpected"}${capitalize(side)}`;
+
+                context.report({
+                    node,
+                    messageId,
+                    fix(fixer) {
+                        if (spaceRequired) {
+                            if (after) {
+                                return fixer.insertTextAfter(node, " ");
+                            }
+                            return fixer.insertTextBefore(node, " ");
+                        }
+                        return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+                    }
+                });
+            }
+        }
+
+        /**
+         * Enforces the spacing around the star if node is a generator function.
+         * @param {ASTNode} node A function expression or declaration node.
+         * @returns {void}
+         */
+        function checkFunction(node) {
+            if (!node.generator) {
+                return;
+            }
+
+            const starToken = getStarToken(node);
+            const prevToken = sourceCode.getTokenBefore(starToken);
+            const nextToken = sourceCode.getTokenAfter(starToken);
+
+            let kind = "named";
+
+            if (node.parent.type === "MethodDefinition" || (node.parent.type === "Property" && node.parent.method)) {
+                kind = "method";
+            } else if (!node.id) {
+                kind = "anonymous";
+            }
+
+            // Only check before when preceded by `function`|`static` keyword
+            if (!(kind === "method" && starToken === sourceCode.getFirstToken(node.parent))) {
+                checkSpacing(kind, "before", prevToken, starToken);
+            }
+
+            checkSpacing(kind, "after", starToken, nextToken);
+        }
+
+        return {
+            FunctionDeclaration: checkFunction,
+            FunctionExpression: checkFunction
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/getter-return.js b/eslint/lib/rules/getter-return.js
new file mode 100644
index 0000000..e1468a5
--- /dev/null
+++ b/eslint/lib/rules/getter-return.js
@@ -0,0 +1,183 @@
+/**
+ * @fileoverview Enforces that a return statement is present in property getters.
+ * @author Aladdin-ADD(hh_2013@foxmail.com)
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u;
+
+/**
+ * Checks a given code path segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Gets a readable location.
+ *
+ * - FunctionExpression -> the function name or `function` keyword.
+ * @param {ASTNode} node A function node to get.
+ * @returns {ASTNode|Token} The node or the token of a location.
+ */
+function getId(node) {
+    return node.id || node;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "enforce `return` statements in getters",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/getter-return"
+        },
+
+        fixable: null,
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowImplicit: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            expected: "Expected to return a value in {{name}}.",
+            expectedAlways: "Expected {{name}} to always return a value."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0] || { allowImplicit: false };
+
+        let funcInfo = {
+            upper: null,
+            codePath: null,
+            hasReturn: false,
+            shouldCheck: false,
+            node: null
+        };
+
+        /**
+         * Checks whether or not the last code path segment is reachable.
+         * Then reports this function if the segment is reachable.
+         *
+         * If the last code path segment is reachable, there are paths which are not
+         * returned or thrown.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function checkLastSegment(node) {
+            if (funcInfo.shouldCheck &&
+                funcInfo.codePath.currentSegments.some(isReachable)
+            ) {
+                context.report({
+                    node,
+                    loc: getId(node).loc.start,
+                    messageId: funcInfo.hasReturn ? "expectedAlways" : "expected",
+                    data: {
+                        name: astUtils.getFunctionNameWithKind(funcInfo.node)
+                    }
+                });
+            }
+        }
+
+        /**
+         * Checks whether a node means a getter function.
+         * @param {ASTNode} node a node to check.
+         * @returns {boolean} if node means a getter, return true; else return false.
+         */
+        function isGetter(node) {
+            const parent = node.parent;
+
+            if (TARGET_NODE_TYPE.test(node.type) && node.body.type === "BlockStatement") {
+                if (parent.kind === "get") {
+                    return true;
+                }
+                if (parent.type === "Property" && astUtils.getStaticPropertyName(parent) === "get" && parent.parent.type === "ObjectExpression") {
+
+                    // Object.defineProperty()
+                    if (parent.parent.parent.type === "CallExpression" &&
+                        astUtils.getStaticPropertyName(parent.parent.parent.callee) === "defineProperty") {
+                        return true;
+                    }
+
+                    // Object.defineProperties()
+                    if (parent.parent.parent.type === "Property" &&
+                        parent.parent.parent.parent.type === "ObjectExpression" &&
+                        parent.parent.parent.parent.parent.type === "CallExpression" &&
+                        astUtils.getStaticPropertyName(parent.parent.parent.parent.parent.callee) === "defineProperties") {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+        return {
+
+            // Stacks this function's information.
+            onCodePathStart(codePath, node) {
+                funcInfo = {
+                    upper: funcInfo,
+                    codePath,
+                    hasReturn: false,
+                    shouldCheck: isGetter(node),
+                    node
+                };
+            },
+
+            // Pops this function's information.
+            onCodePathEnd() {
+                funcInfo = funcInfo.upper;
+            },
+
+            // Checks the return statement is valid.
+            ReturnStatement(node) {
+                if (funcInfo.shouldCheck) {
+                    funcInfo.hasReturn = true;
+
+                    // if allowImplicit: false, should also check node.argument
+                    if (!options.allowImplicit && !node.argument) {
+                        context.report({
+                            node,
+                            messageId: "expected",
+                            data: {
+                                name: astUtils.getFunctionNameWithKind(funcInfo.node)
+                            }
+                        });
+                    }
+                }
+            },
+
+            // Reports a given function if the last path is reachable.
+            "FunctionExpression:exit": checkLastSegment,
+            "ArrowFunctionExpression:exit": checkLastSegment
+        };
+    }
+};
diff --git a/eslint/lib/rules/global-require.js b/eslint/lib/rules/global-require.js
new file mode 100644
index 0000000..4af3a6a
--- /dev/null
+++ b/eslint/lib/rules/global-require.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview Rule for disallowing require() outside of the top-level module context
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+const ACCEPTABLE_PARENTS = [
+    "AssignmentExpression",
+    "VariableDeclarator",
+    "MemberExpression",
+    "ExpressionStatement",
+    "CallExpression",
+    "ConditionalExpression",
+    "Program",
+    "VariableDeclaration"
+];
+
+/**
+ * Finds the eslint-scope reference in the given scope.
+ * @param {Object} scope The scope to search.
+ * @param {ASTNode} node The identifier node.
+ * @returns {Reference|null} Returns the found reference or null if none were found.
+ */
+function findReference(scope, node) {
+    const references = scope.references.filter(reference => reference.identifier.range[0] === node.range[0] &&
+            reference.identifier.range[1] === node.range[1]);
+
+    /* istanbul ignore else: correctly returns null */
+    if (references.length === 1) {
+        return references[0];
+    }
+    return null;
+
+}
+
+/**
+ * Checks if the given identifier node is shadowed in the given scope.
+ * @param {Object} scope The current scope.
+ * @param {ASTNode} node The identifier node to check.
+ * @returns {boolean} Whether or not the name is shadowed.
+ */
+function isShadowed(scope, node) {
+    const reference = findReference(scope, node);
+
+    return reference && reference.resolved && reference.resolved.defs.length > 0;
+}
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `require()` calls to be placed at top-level module scope",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/global-require"
+        },
+
+        schema: [],
+        messages: {
+            unexpected: "Unexpected require()."
+        }
+    },
+
+    create(context) {
+        return {
+            CallExpression(node) {
+                const currentScope = context.getScope();
+
+                if (node.callee.name === "require" && !isShadowed(currentScope, node.callee)) {
+                    const isGoodRequire = context.getAncestors().every(parent => ACCEPTABLE_PARENTS.indexOf(parent.type) > -1);
+
+                    if (!isGoodRequire) {
+                        context.report({ node, messageId: "unexpected" });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/grouped-accessor-pairs.js b/eslint/lib/rules/grouped-accessor-pairs.js
new file mode 100644
index 0000000..a790f83
--- /dev/null
+++ b/eslint/lib/rules/grouped-accessor-pairs.js
@@ -0,0 +1,224 @@
+/**
+ * @fileoverview Rule to require grouped accessor pairs in object literals and classes
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Property name if it can be computed statically, otherwise the list of the tokens of the key node.
+ * @typedef {string|Token[]} Key
+ */
+
+/**
+ * Accessor nodes with the same key.
+ * @typedef {Object} AccessorData
+ * @property {Key} key Accessor's key
+ * @property {ASTNode[]} getters List of getter nodes.
+ * @property {ASTNode[]} setters List of setter nodes.
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not the given lists represent the equal tokens in the same order.
+ * Tokens are compared by their properties, not by instance.
+ * @param {Token[]} left First list of tokens.
+ * @param {Token[]} right Second list of tokens.
+ * @returns {boolean} `true` if the lists have same tokens.
+ */
+function areEqualTokenLists(left, right) {
+    if (left.length !== right.length) {
+        return false;
+    }
+
+    for (let i = 0; i < left.length; i++) {
+        const leftToken = left[i],
+            rightToken = right[i];
+
+        if (leftToken.type !== rightToken.type || leftToken.value !== rightToken.value) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+/**
+ * Checks whether or not the given keys are equal.
+ * @param {Key} left First key.
+ * @param {Key} right Second key.
+ * @returns {boolean} `true` if the keys are equal.
+ */
+function areEqualKeys(left, right) {
+    if (typeof left === "string" && typeof right === "string") {
+
+        // Statically computed names.
+        return left === right;
+    }
+    if (Array.isArray(left) && Array.isArray(right)) {
+
+        // Token lists.
+        return areEqualTokenLists(left, right);
+    }
+
+    return false;
+}
+
+/**
+ * Checks whether or not a given node is of an accessor kind ('get' or 'set').
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is of an accessor kind.
+ */
+function isAccessorKind(node) {
+    return node.kind === "get" || node.kind === "set";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require grouped accessor pairs in object literals and classes",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/grouped-accessor-pairs"
+        },
+
+        schema: [
+            {
+                enum: ["anyOrder", "getBeforeSet", "setBeforeGet"]
+            }
+        ],
+
+        messages: {
+            notGrouped: "Accessor pair {{ formerName }} and {{ latterName }} should be grouped.",
+            invalidOrder: "Expected {{ latterName }} to be before {{ formerName }}."
+        }
+    },
+
+    create(context) {
+        const order = context.options[0] || "anyOrder";
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports the given accessor pair.
+         * @param {string} messageId messageId to report.
+         * @param {ASTNode} formerNode getter/setter node that is defined before `latterNode`.
+         * @param {ASTNode} latterNode getter/setter node that is defined after `formerNode`.
+         * @returns {void}
+         * @private
+         */
+        function report(messageId, formerNode, latterNode) {
+            context.report({
+                node: latterNode,
+                messageId,
+                loc: astUtils.getFunctionHeadLoc(latterNode.value, sourceCode),
+                data: {
+                    formerName: astUtils.getFunctionNameWithKind(formerNode.value),
+                    latterName: astUtils.getFunctionNameWithKind(latterNode.value)
+                }
+            });
+        }
+
+        /**
+         * Creates a new `AccessorData` object for the given getter or setter node.
+         * @param {ASTNode} node A getter or setter node.
+         * @returns {AccessorData} New `AccessorData` object that contains the given node.
+         * @private
+         */
+        function createAccessorData(node) {
+            const name = astUtils.getStaticPropertyName(node);
+            const key = (name !== null) ? name : sourceCode.getTokens(node.key);
+
+            return {
+                key,
+                getters: node.kind === "get" ? [node] : [],
+                setters: node.kind === "set" ? [node] : []
+            };
+        }
+
+        /**
+         * Merges the given `AccessorData` object into the given accessors list.
+         * @param {AccessorData[]} accessors The list to merge into.
+         * @param {AccessorData} accessorData The object to merge.
+         * @returns {AccessorData[]} The same instance with the merged object.
+         * @private
+         */
+        function mergeAccessorData(accessors, accessorData) {
+            const equalKeyElement = accessors.find(a => areEqualKeys(a.key, accessorData.key));
+
+            if (equalKeyElement) {
+                equalKeyElement.getters.push(...accessorData.getters);
+                equalKeyElement.setters.push(...accessorData.setters);
+            } else {
+                accessors.push(accessorData);
+            }
+
+            return accessors;
+        }
+
+        /**
+         * Checks accessor pairs in the given list of nodes.
+         * @param {ASTNode[]} nodes The list to check.
+         * @param {Function} shouldCheck – Predicate that returns `true` if the node should be checked.
+         * @returns {void}
+         * @private
+         */
+        function checkList(nodes, shouldCheck) {
+            const accessors = nodes
+                .filter(shouldCheck)
+                .filter(isAccessorKind)
+                .map(createAccessorData)
+                .reduce(mergeAccessorData, []);
+
+            for (const { getters, setters } of accessors) {
+
+                // Don't report accessor properties that have duplicate getters or setters.
+                if (getters.length === 1 && setters.length === 1) {
+                    const [getter] = getters,
+                        [setter] = setters,
+                        getterIndex = nodes.indexOf(getter),
+                        setterIndex = nodes.indexOf(setter),
+                        formerNode = getterIndex < setterIndex ? getter : setter,
+                        latterNode = getterIndex < setterIndex ? setter : getter;
+
+                    if (Math.abs(getterIndex - setterIndex) > 1) {
+                        report("notGrouped", formerNode, latterNode);
+                    } else if (
+                        (order === "getBeforeSet" && getterIndex > setterIndex) ||
+                        (order === "setBeforeGet" && getterIndex < setterIndex)
+                    ) {
+                        report("invalidOrder", formerNode, latterNode);
+                    }
+                }
+            }
+        }
+
+        return {
+            ObjectExpression(node) {
+                checkList(node.properties, n => n.type === "Property");
+            },
+            ClassBody(node) {
+                checkList(node.body, n => n.type === "MethodDefinition" && !n.static);
+                checkList(node.body, n => n.type === "MethodDefinition" && n.static);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/guard-for-in.js b/eslint/lib/rules/guard-for-in.js
new file mode 100644
index 0000000..2c0976d
--- /dev/null
+++ b/eslint/lib/rules/guard-for-in.js
@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Rule to flag for-in loops without if statements inside
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `for-in` loops to include an `if` statement",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/guard-for-in"
+        },
+
+        schema: [],
+        messages: {
+            wrap: "The body of a for-in should be wrapped in an if statement to filter unwanted properties from the prototype."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            ForInStatement(node) {
+                const body = node.body;
+
+                // empty statement
+                if (body.type === "EmptyStatement") {
+                    return;
+                }
+
+                // if statement
+                if (body.type === "IfStatement") {
+                    return;
+                }
+
+                // empty block
+                if (body.type === "BlockStatement" && body.body.length === 0) {
+                    return;
+                }
+
+                // block with just if statement
+                if (body.type === "BlockStatement" && body.body.length === 1 && body.body[0].type === "IfStatement") {
+                    return;
+                }
+
+                // block that starts with if statement
+                if (body.type === "BlockStatement" && body.body.length >= 1 && body.body[0].type === "IfStatement") {
+                    const i = body.body[0];
+
+                    // ... whose consequent is a continue
+                    if (i.consequent.type === "ContinueStatement") {
+                        return;
+                    }
+
+                    // ... whose consequent is a block that contains only a continue
+                    if (i.consequent.type === "BlockStatement" && i.consequent.body.length === 1 && i.consequent.body[0].type === "ContinueStatement") {
+                        return;
+                    }
+                }
+
+                context.report({ node, messageId: "wrap" });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/handle-callback-err.js b/eslint/lib/rules/handle-callback-err.js
new file mode 100644
index 0000000..6409466
--- /dev/null
+++ b/eslint/lib/rules/handle-callback-err.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview Ensure handling of errors when we know they exist.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require error handling in callbacks",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/handle-callback-err"
+        },
+
+        schema: [
+            {
+                type: "string"
+            }
+        ],
+        messages: {
+            expected: "Expected error to be handled."
+        }
+    },
+
+    create(context) {
+
+        const errorArgument = context.options[0] || "err";
+
+        /**
+         * Checks if the given argument should be interpreted as a regexp pattern.
+         * @param {string} stringToCheck The string which should be checked.
+         * @returns {boolean} Whether or not the string should be interpreted as a pattern.
+         */
+        function isPattern(stringToCheck) {
+            const firstChar = stringToCheck[0];
+
+            return firstChar === "^";
+        }
+
+        /**
+         * Checks if the given name matches the configured error argument.
+         * @param {string} name The name which should be compared.
+         * @returns {boolean} Whether or not the given name matches the configured error variable name.
+         */
+        function matchesConfiguredErrorName(name) {
+            if (isPattern(errorArgument)) {
+                const regexp = new RegExp(errorArgument, "u");
+
+                return regexp.test(name);
+            }
+            return name === errorArgument;
+        }
+
+        /**
+         * Get the parameters of a given function scope.
+         * @param {Object} scope The function scope.
+         * @returns {Array} All parameters of the given scope.
+         */
+        function getParameters(scope) {
+            return scope.variables.filter(variable => variable.defs[0] && variable.defs[0].type === "Parameter");
+        }
+
+        /**
+         * Check to see if we're handling the error object properly.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         */
+        function checkForError(node) {
+            const scope = context.getScope(),
+                parameters = getParameters(scope),
+                firstParameter = parameters[0];
+
+            if (firstParameter && matchesConfiguredErrorName(firstParameter.name)) {
+                if (firstParameter.references.length === 0) {
+                    context.report({ node, messageId: "expected" });
+                }
+            }
+        }
+
+        return {
+            FunctionDeclaration: checkForError,
+            FunctionExpression: checkForError,
+            ArrowFunctionExpression: checkForError
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/id-blacklist.js b/eslint/lib/rules/id-blacklist.js
new file mode 100644
index 0000000..d77a35d
--- /dev/null
+++ b/eslint/lib/rules/id-blacklist.js
@@ -0,0 +1,230 @@
+/**
+ * @fileoverview Rule that warns when identifier names that are
+ * blacklisted in the configuration are used.
+ * @author Keith Cirkel (http://keithcirkel.co.uk)
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether the given node represents assignment target in a normal assignment or destructuring.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is assignment target.
+ */
+function isAssignmentTarget(node) {
+    const parent = node.parent;
+
+    return (
+
+        // normal assignment
+        (
+            parent.type === "AssignmentExpression" &&
+            parent.left === node
+        ) ||
+
+        // destructuring
+        parent.type === "ArrayPattern" ||
+        parent.type === "RestElement" ||
+        (
+            parent.type === "Property" &&
+            parent.value === node &&
+            parent.parent.type === "ObjectPattern"
+        ) ||
+        (
+            parent.type === "AssignmentPattern" &&
+            parent.left === node
+        )
+    );
+}
+
+/**
+ * Checks whether the given node represents an imported name that is renamed in the same import/export specifier.
+ *
+ * Examples:
+ * import { a as b } from 'mod'; // node `a` is renamed import
+ * export { a as b } from 'mod'; // node `a` is renamed import
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a renamed import.
+ */
+function isRenamedImport(node) {
+    const parent = node.parent;
+
+    return (
+        (
+            parent.type === "ImportSpecifier" &&
+            parent.imported !== parent.local &&
+            parent.imported === node
+        ) ||
+        (
+            parent.type === "ExportSpecifier" &&
+            parent.parent.source && // re-export
+            parent.local !== parent.exported &&
+            parent.local === node
+        )
+    );
+}
+
+/**
+ * Checks whether the given node is a renamed identifier node in an ObjectPattern destructuring.
+ *
+ * Examples:
+ * const { a : b } = foo; // node `a` is renamed node.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a renamed node in an ObjectPattern destructuring.
+ */
+function isRenamedInDestructuring(node) {
+    const parent = node.parent;
+
+    return (
+        (
+            !parent.computed &&
+            parent.type === "Property" &&
+            parent.parent.type === "ObjectPattern" &&
+            parent.value !== node &&
+            parent.key === node
+        )
+    );
+}
+
+/**
+ * Checks whether the given node represents shorthand definition of a property in an object literal.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a shorthand property definition.
+ */
+function isShorthandPropertyDefinition(node) {
+    const parent = node.parent;
+
+    return (
+        parent.type === "Property" &&
+        parent.parent.type === "ObjectExpression" &&
+        parent.shorthand
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified identifiers",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/id-blacklist"
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                type: "string"
+            },
+            uniqueItems: true
+        },
+        messages: {
+            blacklisted: "Identifier '{{name}}' is blacklisted."
+        }
+    },
+
+    create(context) {
+
+        const blacklist = new Set(context.options);
+        const reportedNodes = new Set();
+
+        let globalScope;
+
+        /**
+         * Checks whether the given name is blacklisted.
+         * @param {string} name The name to check.
+         * @returns {boolean} `true` if the name is blacklisted.
+         * @private
+         */
+        function isBlacklisted(name) {
+            return blacklist.has(name);
+        }
+
+        /**
+         * Checks whether the given node represents a reference to a global variable that is not declared in the source code.
+         * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables.
+         * @param {ASTNode} node `Identifier` node to check.
+         * @returns {boolean} `true` if the node is a reference to a global variable.
+         */
+        function isReferenceToGlobalVariable(node) {
+            const variable = globalScope.set.get(node.name);
+
+            return variable && variable.defs.length === 0 &&
+                variable.references.some(ref => ref.identifier === node);
+        }
+
+        /**
+         * Determines whether the given node should be checked.
+         * @param {ASTNode} node `Identifier` node.
+         * @returns {boolean} `true` if the node should be checked.
+         */
+        function shouldCheck(node) {
+            const parent = node.parent;
+
+            /*
+             * Member access has special rules for checking property names.
+             * Read access to a property with a blacklisted name is allowed, because it can be on an object that user has no control over.
+             * Write access isn't allowed, because it potentially creates a new property with a blacklisted name.
+             */
+            if (
+                parent.type === "MemberExpression" &&
+                parent.property === node &&
+                !parent.computed
+            ) {
+                return isAssignmentTarget(parent);
+            }
+
+            return (
+                parent.type !== "CallExpression" &&
+                parent.type !== "NewExpression" &&
+                !isRenamedImport(node) &&
+                !isRenamedInDestructuring(node) &&
+                !(
+                    isReferenceToGlobalVariable(node) &&
+                    !isShorthandPropertyDefinition(node)
+                )
+            );
+        }
+
+        /**
+         * Reports an AST node as a rule violation.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            if (!reportedNodes.has(node)) {
+                context.report({
+                    node,
+                    messageId: "blacklisted",
+                    data: {
+                        name: node.name
+                    }
+                });
+                reportedNodes.add(node);
+            }
+        }
+
+        return {
+
+            Program() {
+                globalScope = context.getScope();
+            },
+
+            Identifier(node) {
+                if (isBlacklisted(node.name) && shouldCheck(node)) {
+                    report(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/id-length.js b/eslint/lib/rules/id-length.js
new file mode 100644
index 0000000..a68873a
--- /dev/null
+++ b/eslint/lib/rules/id-length.js
@@ -0,0 +1,132 @@
+/**
+ * @fileoverview Rule that warns when identifier names are shorter or longer
+ * than the values provided in configuration.
+ * @author Burak Yigit Kaya aka BYK
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce minimum and maximum identifier lengths",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/id-length"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    min: {
+                        type: "integer",
+                        default: 2
+                    },
+                    max: {
+                        type: "integer"
+                    },
+                    exceptions: {
+                        type: "array",
+                        uniqueItems: true,
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    properties: {
+                        enum: ["always", "never"]
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            tooShort: "Identifier name '{{name}}' is too short (< {{min}}).",
+            tooLong: "Identifier name '{{name}}' is too long (> {{max}})."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const minLength = typeof options.min !== "undefined" ? options.min : 2;
+        const maxLength = typeof options.max !== "undefined" ? options.max : Infinity;
+        const properties = options.properties !== "never";
+        const exceptions = (options.exceptions ? options.exceptions : [])
+            .reduce((obj, item) => {
+                obj[item] = true;
+
+                return obj;
+            }, {});
+        const reportedNode = new Set();
+
+        const SUPPORTED_EXPRESSIONS = {
+            MemberExpression: properties && function(parent) {
+                return !parent.computed && (
+
+                    // regular property assignment
+                    (parent.parent.left === parent && parent.parent.type === "AssignmentExpression" ||
+
+                    // or the last identifier in an ObjectPattern destructuring
+                    parent.parent.type === "Property" && parent.parent.value === parent &&
+                    parent.parent.parent.type === "ObjectPattern" && parent.parent.parent.parent.left === parent.parent.parent)
+                );
+            },
+            AssignmentPattern(parent, node) {
+                return parent.left === node;
+            },
+            VariableDeclarator(parent, node) {
+                return parent.id === node;
+            },
+            Property(parent, node) {
+
+                if (parent.parent.type === "ObjectPattern") {
+                    return (
+                        parent.value !== parent.key && parent.value === node ||
+                        parent.value === parent.key && parent.key === node && properties
+                    );
+                }
+                return properties && !parent.computed && parent.key === node;
+            },
+            ImportDefaultSpecifier: true,
+            RestElement: true,
+            FunctionExpression: true,
+            ArrowFunctionExpression: true,
+            ClassDeclaration: true,
+            FunctionDeclaration: true,
+            MethodDefinition: true,
+            CatchClause: true,
+            ArrayPattern: true
+        };
+
+        return {
+            Identifier(node) {
+                const name = node.name;
+                const parent = node.parent;
+
+                const isShort = name.length < minLength;
+                const isLong = name.length > maxLength;
+
+                if (!(isShort || isLong) || exceptions[name]) {
+                    return; // Nothing to report
+                }
+
+                const isValidExpression = SUPPORTED_EXPRESSIONS[parent.type];
+
+                if (isValidExpression && !reportedNode.has(node) && (isValidExpression === true || isValidExpression(parent, node))) {
+                    reportedNode.add(node);
+                    context.report({
+                        node,
+                        messageId: isShort ? "tooShort" : "tooLong",
+                        data: { name, min: minLength, max: maxLength }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/id-match.js b/eslint/lib/rules/id-match.js
new file mode 100644
index 0000000..b97a497
--- /dev/null
+++ b/eslint/lib/rules/id-match.js
@@ -0,0 +1,225 @@
+/**
+ * @fileoverview Rule to flag non-matching identifiers
+ * @author Matthieu Larcher
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require identifiers to match a specified regular expression",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/id-match"
+        },
+
+        schema: [
+            {
+                type: "string"
+            },
+            {
+                type: "object",
+                properties: {
+                    properties: {
+                        type: "boolean",
+                        default: false
+                    },
+                    onlyDeclarations: {
+                        type: "boolean",
+                        default: false
+                    },
+                    ignoreDestructuring: {
+                        type: "boolean",
+                        default: false
+                    }
+                }
+            }
+        ],
+        messages: {
+            notMatch: "Identifier '{{name}}' does not match the pattern '{{pattern}}'."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Options
+        //--------------------------------------------------------------------------
+        const pattern = context.options[0] || "^.+$",
+            regexp = new RegExp(pattern, "u");
+
+        const options = context.options[1] || {},
+            properties = !!options.properties,
+            onlyDeclarations = !!options.onlyDeclarations,
+            ignoreDestructuring = !!options.ignoreDestructuring;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // contains reported nodes to avoid reporting twice on destructuring with shorthand notation
+        const reported = new Map();
+        const ALLOWED_PARENT_TYPES = new Set(["CallExpression", "NewExpression"]);
+        const DECLARATION_TYPES = new Set(["FunctionDeclaration", "VariableDeclarator"]);
+        const IMPORT_TYPES = new Set(["ImportSpecifier", "ImportNamespaceSpecifier", "ImportDefaultSpecifier"]);
+
+        /**
+         * Checks if a string matches the provided pattern
+         * @param {string} name The string to check.
+         * @returns {boolean} if the string is a match
+         * @private
+         */
+        function isInvalid(name) {
+            return !regexp.test(name);
+        }
+
+        /**
+         * Checks if a parent of a node is an ObjectPattern.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} if the node is inside an ObjectPattern
+         * @private
+         */
+        function isInsideObjectPattern(node) {
+            let { parent } = node;
+
+            while (parent) {
+                if (parent.type === "ObjectPattern") {
+                    return true;
+                }
+
+                parent = parent.parent;
+            }
+
+            return false;
+        }
+
+        /**
+         * Verifies if we should report an error or not based on the effective
+         * parent node and the identifier name.
+         * @param {ASTNode} effectiveParent The effective parent node of the node to be reported
+         * @param {string} name The identifier name of the identifier node
+         * @returns {boolean} whether an error should be reported or not
+         */
+        function shouldReport(effectiveParent, name) {
+            return (!onlyDeclarations || DECLARATION_TYPES.has(effectiveParent.type)) &&
+                !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && isInvalid(name);
+        }
+
+        /**
+         * Reports an AST node as a rule violation.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            if (!reported.has(node)) {
+                context.report({
+                    node,
+                    messageId: "notMatch",
+                    data: {
+                        name: node.name,
+                        pattern
+                    }
+                });
+                reported.set(node, true);
+            }
+        }
+
+        return {
+
+            Identifier(node) {
+                const name = node.name,
+                    parent = node.parent,
+                    effectiveParent = (parent.type === "MemberExpression") ? parent.parent : parent;
+
+                if (parent.type === "MemberExpression") {
+
+                    if (!properties) {
+                        return;
+                    }
+
+                    // Always check object names
+                    if (parent.object.type === "Identifier" &&
+                        parent.object.name === name) {
+                        if (isInvalid(name)) {
+                            report(node);
+                        }
+
+                    // Report AssignmentExpressions left side's assigned variable id
+                    } else if (effectiveParent.type === "AssignmentExpression" &&
+                        effectiveParent.left.type === "MemberExpression" &&
+                        effectiveParent.left.property.name === node.name) {
+                        if (isInvalid(name)) {
+                            report(node);
+                        }
+
+                    // Report AssignmentExpressions only if they are the left side of the assignment
+                    } else if (effectiveParent.type === "AssignmentExpression" && effectiveParent.right.type !== "MemberExpression") {
+                        if (isInvalid(name)) {
+                            report(node);
+                        }
+                    }
+
+                /*
+                 * Properties have their own rules, and
+                 * AssignmentPattern nodes can be treated like Properties:
+                 * e.g.: const { no_camelcased = false } = bar;
+                 */
+                } else if (parent.type === "Property" || parent.type === "AssignmentPattern") {
+
+                    if (parent.parent && parent.parent.type === "ObjectPattern") {
+                        if (parent.shorthand && parent.value.left && isInvalid(name)) {
+
+                            report(node);
+                        }
+
+                        const assignmentKeyEqualsValue = parent.key.name === parent.value.name;
+
+                        // prevent checking righthand side of destructured object
+                        if (!assignmentKeyEqualsValue && parent.key === node) {
+                            return;
+                        }
+
+                        const valueIsInvalid = parent.value.name && isInvalid(name);
+
+                        // ignore destructuring if the option is set, unless a new identifier is created
+                        if (valueIsInvalid && !(assignmentKeyEqualsValue && ignoreDestructuring)) {
+                            report(node);
+                        }
+                    }
+
+                    // never check properties or always ignore destructuring
+                    if (!properties || (ignoreDestructuring && isInsideObjectPattern(node))) {
+                        return;
+                    }
+
+                    // don't check right hand side of AssignmentExpression to prevent duplicate warnings
+                    if (parent.right !== node && shouldReport(effectiveParent, name)) {
+                        report(node);
+                    }
+
+                // Check if it's an import specifier
+                } else if (IMPORT_TYPES.has(parent.type)) {
+
+                    // Report only if the local imported identifier is invalid
+                    if (parent.local && parent.local.name === node.name && isInvalid(name)) {
+                        report(node);
+                    }
+
+                // Report anything that is invalid that isn't a CallExpression
+                } else if (shouldReport(effectiveParent, name)) {
+                    report(node);
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/implicit-arrow-linebreak.js b/eslint/lib/rules/implicit-arrow-linebreak.js
new file mode 100644
index 0000000..409145e
--- /dev/null
+++ b/eslint/lib/rules/implicit-arrow-linebreak.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview enforce the location of arrow function bodies
+ * @author Sharmila Jesupaul
+ */
+"use strict";
+
+const { isCommentToken, isNotOpeningParenToken } = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce the location of arrow function bodies",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/implicit-arrow-linebreak"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["beside", "below"]
+            }
+        ],
+        messages: {
+            expected: "Expected a linebreak before this expression.",
+            unexpected: "Expected no linebreak before this expression."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const option = context.options[0] || "beside";
+
+        /**
+         * Validates the location of an arrow function body
+         * @param {ASTNode} node The arrow function body
+         * @returns {void}
+         */
+        function validateExpression(node) {
+            if (node.body.type === "BlockStatement") {
+                return;
+            }
+
+            const arrowToken = sourceCode.getTokenBefore(node.body, isNotOpeningParenToken);
+            const firstTokenOfBody = sourceCode.getTokenAfter(arrowToken);
+
+            if (arrowToken.loc.end.line === firstTokenOfBody.loc.start.line && option === "below") {
+                context.report({
+                    node: firstTokenOfBody,
+                    messageId: "expected",
+                    fix: fixer => fixer.insertTextBefore(firstTokenOfBody, "\n")
+                });
+            } else if (arrowToken.loc.end.line !== firstTokenOfBody.loc.start.line && option === "beside") {
+                context.report({
+                    node: firstTokenOfBody,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        if (sourceCode.getFirstTokenBetween(arrowToken, firstTokenOfBody, { includeComments: true, filter: isCommentToken })) {
+                            return null;
+                        }
+
+                        return fixer.replaceTextRange([arrowToken.range[1], firstTokenOfBody.range[0]], " ");
+                    }
+                });
+            }
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+        return {
+            ArrowFunctionExpression: node => validateExpression(node)
+        };
+    }
+};
diff --git a/eslint/lib/rules/indent-legacy.js b/eslint/lib/rules/indent-legacy.js
new file mode 100644
index 0000000..50010d3
--- /dev/null
+++ b/eslint/lib/rules/indent-legacy.js
@@ -0,0 +1,1125 @@
+/**
+ * @fileoverview This option sets a specific tab width for your code
+ *
+ * This rule has been ported and modified from nodeca.
+ * @author Vitaly Puzrin
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/* istanbul ignore next: this rule has known coverage issues, but it's deprecated and shouldn't be updated in the future anyway. */
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent indentation",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/indent-legacy"
+        },
+
+        deprecated: true,
+
+        replacedBy: ["indent"],
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["tab"]
+                    },
+                    {
+                        type: "integer",
+                        minimum: 0
+                    }
+                ]
+            },
+            {
+                type: "object",
+                properties: {
+                    SwitchCase: {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    VariableDeclarator: {
+                        oneOf: [
+                            {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            {
+                                type: "object",
+                                properties: {
+                                    var: {
+                                        type: "integer",
+                                        minimum: 0
+                                    },
+                                    let: {
+                                        type: "integer",
+                                        minimum: 0
+                                    },
+                                    const: {
+                                        type: "integer",
+                                        minimum: 0
+                                    }
+                                }
+                            }
+                        ]
+                    },
+                    outerIIFEBody: {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    MemberExpression: {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    FunctionDeclaration: {
+                        type: "object",
+                        properties: {
+                            parameters: {
+                                oneOf: [
+                                    {
+                                        type: "integer",
+                                        minimum: 0
+                                    },
+                                    {
+                                        enum: ["first"]
+                                    }
+                                ]
+                            },
+                            body: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        }
+                    },
+                    FunctionExpression: {
+                        type: "object",
+                        properties: {
+                            parameters: {
+                                oneOf: [
+                                    {
+                                        type: "integer",
+                                        minimum: 0
+                                    },
+                                    {
+                                        enum: ["first"]
+                                    }
+                                ]
+                            },
+                            body: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        }
+                    },
+                    CallExpression: {
+                        type: "object",
+                        properties: {
+                            parameters: {
+                                oneOf: [
+                                    {
+                                        type: "integer",
+                                        minimum: 0
+                                    },
+                                    {
+                                        enum: ["first"]
+                                    }
+                                ]
+                            }
+                        }
+                    },
+                    ArrayExpression: {
+                        oneOf: [
+                            {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            {
+                                enum: ["first"]
+                            }
+                        ]
+                    },
+                    ObjectExpression: {
+                        oneOf: [
+                            {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            {
+                                enum: ["first"]
+                            }
+                        ]
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            expected: "Expected indentation of {{expected}} but found {{actual}}."
+        }
+    },
+
+    create(context) {
+        const DEFAULT_VARIABLE_INDENT = 1;
+        const DEFAULT_PARAMETER_INDENT = null; // For backwards compatibility, don't check parameter indentation unless specified in the config
+        const DEFAULT_FUNCTION_BODY_INDENT = 1;
+
+        let indentType = "space";
+        let indentSize = 4;
+        const options = {
+            SwitchCase: 0,
+            VariableDeclarator: {
+                var: DEFAULT_VARIABLE_INDENT,
+                let: DEFAULT_VARIABLE_INDENT,
+                const: DEFAULT_VARIABLE_INDENT
+            },
+            outerIIFEBody: null,
+            FunctionDeclaration: {
+                parameters: DEFAULT_PARAMETER_INDENT,
+                body: DEFAULT_FUNCTION_BODY_INDENT
+            },
+            FunctionExpression: {
+                parameters: DEFAULT_PARAMETER_INDENT,
+                body: DEFAULT_FUNCTION_BODY_INDENT
+            },
+            CallExpression: {
+                arguments: DEFAULT_PARAMETER_INDENT
+            },
+            ArrayExpression: 1,
+            ObjectExpression: 1
+        };
+
+        const sourceCode = context.getSourceCode();
+
+        if (context.options.length) {
+            if (context.options[0] === "tab") {
+                indentSize = 1;
+                indentType = "tab";
+            } else /* istanbul ignore else : this will be caught by options validation */ if (typeof context.options[0] === "number") {
+                indentSize = context.options[0];
+                indentType = "space";
+            }
+
+            if (context.options[1]) {
+                const opts = context.options[1];
+
+                options.SwitchCase = opts.SwitchCase || 0;
+                const variableDeclaratorRules = opts.VariableDeclarator;
+
+                if (typeof variableDeclaratorRules === "number") {
+                    options.VariableDeclarator = {
+                        var: variableDeclaratorRules,
+                        let: variableDeclaratorRules,
+                        const: variableDeclaratorRules
+                    };
+                } else if (typeof variableDeclaratorRules === "object") {
+                    Object.assign(options.VariableDeclarator, variableDeclaratorRules);
+                }
+
+                if (typeof opts.outerIIFEBody === "number") {
+                    options.outerIIFEBody = opts.outerIIFEBody;
+                }
+
+                if (typeof opts.MemberExpression === "number") {
+                    options.MemberExpression = opts.MemberExpression;
+                }
+
+                if (typeof opts.FunctionDeclaration === "object") {
+                    Object.assign(options.FunctionDeclaration, opts.FunctionDeclaration);
+                }
+
+                if (typeof opts.FunctionExpression === "object") {
+                    Object.assign(options.FunctionExpression, opts.FunctionExpression);
+                }
+
+                if (typeof opts.CallExpression === "object") {
+                    Object.assign(options.CallExpression, opts.CallExpression);
+                }
+
+                if (typeof opts.ArrayExpression === "number" || typeof opts.ArrayExpression === "string") {
+                    options.ArrayExpression = opts.ArrayExpression;
+                }
+
+                if (typeof opts.ObjectExpression === "number" || typeof opts.ObjectExpression === "string") {
+                    options.ObjectExpression = opts.ObjectExpression;
+                }
+            }
+        }
+
+        const caseIndentStore = {};
+
+        /**
+         * Creates an error message for a line, given the expected/actual indentation.
+         * @param {int} expectedAmount The expected amount of indentation characters for this line
+         * @param {int} actualSpaces The actual number of indentation spaces that were found on this line
+         * @param {int} actualTabs The actual number of indentation tabs that were found on this line
+         * @returns {string} An error message for this line
+         */
+        function createErrorMessageData(expectedAmount, actualSpaces, actualTabs) {
+            const expectedStatement = `${expectedAmount} ${indentType}${expectedAmount === 1 ? "" : "s"}`; // e.g. "2 tabs"
+            const foundSpacesWord = `space${actualSpaces === 1 ? "" : "s"}`; // e.g. "space"
+            const foundTabsWord = `tab${actualTabs === 1 ? "" : "s"}`; // e.g. "tabs"
+            let foundStatement;
+
+            if (actualSpaces > 0 && actualTabs > 0) {
+                foundStatement = `${actualSpaces} ${foundSpacesWord} and ${actualTabs} ${foundTabsWord}`; // e.g. "1 space and 2 tabs"
+            } else if (actualSpaces > 0) {
+
+                /*
+                 * Abbreviate the message if the expected indentation is also spaces.
+                 * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces'
+                 */
+                foundStatement = indentType === "space" ? actualSpaces : `${actualSpaces} ${foundSpacesWord}`;
+            } else if (actualTabs > 0) {
+                foundStatement = indentType === "tab" ? actualTabs : `${actualTabs} ${foundTabsWord}`;
+            } else {
+                foundStatement = "0";
+            }
+            return {
+                expected: expectedStatement,
+                actual: foundStatement
+            };
+        }
+
+        /**
+         * Reports a given indent violation
+         * @param {ASTNode} node Node violating the indent rule
+         * @param {int} needed Expected indentation character count
+         * @param {int} gottenSpaces Indentation space count in the actual node/code
+         * @param {int} gottenTabs Indentation tab count in the actual node/code
+         * @param {Object} [loc] Error line and column location
+         * @param {boolean} isLastNodeCheck Is the error for last node check
+         * @returns {void}
+         */
+        function report(node, needed, gottenSpaces, gottenTabs, loc, isLastNodeCheck) {
+            if (gottenSpaces && gottenTabs) {
+
+                // To avoid conflicts with `no-mixed-spaces-and-tabs`, don't report lines that have both spaces and tabs.
+                return;
+            }
+
+            const desiredIndent = (indentType === "space" ? " " : "\t").repeat(needed);
+
+            const textRange = isLastNodeCheck
+                ? [node.range[1] - node.loc.end.column, node.range[1] - node.loc.end.column + gottenSpaces + gottenTabs]
+                : [node.range[0] - node.loc.start.column, node.range[0] - node.loc.start.column + gottenSpaces + gottenTabs];
+
+            context.report({
+                node,
+                loc,
+                messageId: "expected",
+                data: createErrorMessageData(needed, gottenSpaces, gottenTabs),
+                fix: fixer => fixer.replaceTextRange(textRange, desiredIndent)
+            });
+        }
+
+        /**
+         * Get the actual indent of node
+         * @param {ASTNode|Token} node Node to examine
+         * @param {boolean} [byLastLine=false] get indent of node's last line
+         * @returns {Object} The node's indent. Contains keys `space` and `tab`, representing the indent of each character. Also
+         * contains keys `goodChar` and `badChar`, where `goodChar` is the amount of the user's desired indentation character, and
+         * `badChar` is the amount of the other indentation character.
+         */
+        function getNodeIndent(node, byLastLine) {
+            const token = byLastLine ? sourceCode.getLastToken(node) : sourceCode.getFirstToken(node);
+            const srcCharsBeforeNode = sourceCode.getText(token, token.loc.start.column).split("");
+            const indentChars = srcCharsBeforeNode.slice(0, srcCharsBeforeNode.findIndex(char => char !== " " && char !== "\t"));
+            const spaces = indentChars.filter(char => char === " ").length;
+            const tabs = indentChars.filter(char => char === "\t").length;
+
+            return {
+                space: spaces,
+                tab: tabs,
+                goodChar: indentType === "space" ? spaces : tabs,
+                badChar: indentType === "space" ? tabs : spaces
+            };
+        }
+
+        /**
+         * Checks node is the first in its own start line. By default it looks by start line.
+         * @param {ASTNode} node The node to check
+         * @param {boolean} [byEndLocation=false] Lookup based on start position or end
+         * @returns {boolean} true if its the first in the its start line
+         */
+        function isNodeFirstInLine(node, byEndLocation) {
+            const firstToken = byEndLocation === true ? sourceCode.getLastToken(node, 1) : sourceCode.getTokenBefore(node),
+                startLine = byEndLocation === true ? node.loc.end.line : node.loc.start.line,
+                endLine = firstToken ? firstToken.loc.end.line : -1;
+
+            return startLine !== endLine;
+        }
+
+        /**
+         * Check indent for node
+         * @param {ASTNode} node Node to check
+         * @param {int} neededIndent needed indent
+         * @returns {void}
+         */
+        function checkNodeIndent(node, neededIndent) {
+            const actualIndent = getNodeIndent(node, false);
+
+            if (
+                node.type !== "ArrayExpression" &&
+                node.type !== "ObjectExpression" &&
+                (actualIndent.goodChar !== neededIndent || actualIndent.badChar !== 0) &&
+                isNodeFirstInLine(node)
+            ) {
+                report(node, neededIndent, actualIndent.space, actualIndent.tab);
+            }
+
+            if (node.type === "IfStatement" && node.alternate) {
+                const elseToken = sourceCode.getTokenBefore(node.alternate);
+
+                checkNodeIndent(elseToken, neededIndent);
+
+                if (!isNodeFirstInLine(node.alternate)) {
+                    checkNodeIndent(node.alternate, neededIndent);
+                }
+            }
+
+            if (node.type === "TryStatement" && node.handler) {
+                const catchToken = sourceCode.getFirstToken(node.handler);
+
+                checkNodeIndent(catchToken, neededIndent);
+            }
+
+            if (node.type === "TryStatement" && node.finalizer) {
+                const finallyToken = sourceCode.getTokenBefore(node.finalizer);
+
+                checkNodeIndent(finallyToken, neededIndent);
+            }
+
+            if (node.type === "DoWhileStatement") {
+                const whileToken = sourceCode.getTokenAfter(node.body);
+
+                checkNodeIndent(whileToken, neededIndent);
+            }
+        }
+
+        /**
+         * Check indent for nodes list
+         * @param {ASTNode[]} nodes list of node objects
+         * @param {int} indent needed indent
+         * @returns {void}
+         */
+        function checkNodesIndent(nodes, indent) {
+            nodes.forEach(node => checkNodeIndent(node, indent));
+        }
+
+        /**
+         * Check last node line indent this detects, that block closed correctly
+         * @param {ASTNode} node Node to examine
+         * @param {int} lastLineIndent needed indent
+         * @returns {void}
+         */
+        function checkLastNodeLineIndent(node, lastLineIndent) {
+            const lastToken = sourceCode.getLastToken(node);
+            const endIndent = getNodeIndent(lastToken, true);
+
+            if ((endIndent.goodChar !== lastLineIndent || endIndent.badChar !== 0) && isNodeFirstInLine(node, true)) {
+                report(
+                    node,
+                    lastLineIndent,
+                    endIndent.space,
+                    endIndent.tab,
+                    { line: lastToken.loc.start.line, column: lastToken.loc.start.column },
+                    true
+                );
+            }
+        }
+
+        /**
+         * Check last node line indent this detects, that block closed correctly
+         * This function for more complicated return statement case, where closing parenthesis may be followed by ';'
+         * @param {ASTNode} node Node to examine
+         * @param {int} firstLineIndent first line needed indent
+         * @returns {void}
+         */
+        function checkLastReturnStatementLineIndent(node, firstLineIndent) {
+
+            /*
+             * in case if return statement ends with ');' we have traverse back to ')'
+             * otherwise we'll measure indent for ';' and replace ')'
+             */
+            const lastToken = sourceCode.getLastToken(node, astUtils.isClosingParenToken);
+            const textBeforeClosingParenthesis = sourceCode.getText(lastToken, lastToken.loc.start.column).slice(0, -1);
+
+            if (textBeforeClosingParenthesis.trim()) {
+
+                // There are tokens before the closing paren, don't report this case
+                return;
+            }
+
+            const endIndent = getNodeIndent(lastToken, true);
+
+            if (endIndent.goodChar !== firstLineIndent) {
+                report(
+                    node,
+                    firstLineIndent,
+                    endIndent.space,
+                    endIndent.tab,
+                    { line: lastToken.loc.start.line, column: lastToken.loc.start.column },
+                    true
+                );
+            }
+        }
+
+        /**
+         * Check first node line indent is correct
+         * @param {ASTNode} node Node to examine
+         * @param {int} firstLineIndent needed indent
+         * @returns {void}
+         */
+        function checkFirstNodeLineIndent(node, firstLineIndent) {
+            const startIndent = getNodeIndent(node, false);
+
+            if ((startIndent.goodChar !== firstLineIndent || startIndent.badChar !== 0) && isNodeFirstInLine(node)) {
+                report(
+                    node,
+                    firstLineIndent,
+                    startIndent.space,
+                    startIndent.tab,
+                    { line: node.loc.start.line, column: node.loc.start.column }
+                );
+            }
+        }
+
+        /**
+         * Returns a parent node of given node based on a specified type
+         * if not present then return null
+         * @param {ASTNode} node node to examine
+         * @param {string} type type that is being looked for
+         * @param {string} stopAtList end points for the evaluating code
+         * @returns {ASTNode|void} if found then node otherwise null
+         */
+        function getParentNodeByType(node, type, stopAtList) {
+            let parent = node.parent;
+            const stopAtSet = new Set(stopAtList || ["Program"]);
+
+            while (parent.type !== type && !stopAtSet.has(parent.type) && parent.type !== "Program") {
+                parent = parent.parent;
+            }
+
+            return parent.type === type ? parent : null;
+        }
+
+        /**
+         * Returns the VariableDeclarator based on the current node
+         * if not present then return null
+         * @param {ASTNode} node node to examine
+         * @returns {ASTNode|void} if found then node otherwise null
+         */
+        function getVariableDeclaratorNode(node) {
+            return getParentNodeByType(node, "VariableDeclarator");
+        }
+
+        /**
+         * Check to see if the node is part of the multi-line variable declaration.
+         * Also if its on the same line as the varNode
+         * @param {ASTNode} node node to check
+         * @param {ASTNode} varNode variable declaration node to check against
+         * @returns {boolean} True if all the above condition satisfy
+         */
+        function isNodeInVarOnTop(node, varNode) {
+            return varNode &&
+                varNode.parent.loc.start.line === node.loc.start.line &&
+                varNode.parent.declarations.length > 1;
+        }
+
+        /**
+         * Check to see if the argument before the callee node is multi-line and
+         * there should only be 1 argument before the callee node
+         * @param {ASTNode} node node to check
+         * @returns {boolean} True if arguments are multi-line
+         */
+        function isArgBeforeCalleeNodeMultiline(node) {
+            const parent = node.parent;
+
+            if (parent.arguments.length >= 2 && parent.arguments[1] === node) {
+                return parent.arguments[0].loc.end.line > parent.arguments[0].loc.start.line;
+            }
+
+            return false;
+        }
+
+        /**
+         * Check to see if the node is a file level IIFE
+         * @param {ASTNode} node The function node to check.
+         * @returns {boolean} True if the node is the outer IIFE
+         */
+        function isOuterIIFE(node) {
+            const parent = node.parent;
+            let stmt = parent.parent;
+
+            /*
+             * Verify that the node is an IIEF
+             */
+            if (
+                parent.type !== "CallExpression" ||
+                parent.callee !== node) {
+
+                return false;
+            }
+
+            /*
+             * Navigate legal ancestors to determine whether this IIEF is outer
+             */
+            while (
+                stmt.type === "UnaryExpression" && (
+                    stmt.operator === "!" ||
+                    stmt.operator === "~" ||
+                    stmt.operator === "+" ||
+                    stmt.operator === "-") ||
+                stmt.type === "AssignmentExpression" ||
+                stmt.type === "LogicalExpression" ||
+                stmt.type === "SequenceExpression" ||
+                stmt.type === "VariableDeclarator") {
+
+                stmt = stmt.parent;
+            }
+
+            return ((
+                stmt.type === "ExpressionStatement" ||
+                stmt.type === "VariableDeclaration") &&
+                stmt.parent && stmt.parent.type === "Program"
+            );
+        }
+
+        /**
+         * Check indent for function block content
+         * @param {ASTNode} node A BlockStatement node that is inside of a function.
+         * @returns {void}
+         */
+        function checkIndentInFunctionBlock(node) {
+
+            /*
+             * Search first caller in chain.
+             * Ex.:
+             *
+             * Models <- Identifier
+             *   .User
+             *   .find()
+             *   .exec(function() {
+             *   // function body
+             * });
+             *
+             * Looks for 'Models'
+             */
+            const calleeNode = node.parent; // FunctionExpression
+            let indent;
+
+            if (calleeNode.parent &&
+                (calleeNode.parent.type === "Property" ||
+                calleeNode.parent.type === "ArrayExpression")) {
+
+                // If function is part of array or object, comma can be put at left
+                indent = getNodeIndent(calleeNode, false).goodChar;
+            } else {
+
+                // If function is standalone, simple calculate indent
+                indent = getNodeIndent(calleeNode).goodChar;
+            }
+
+            if (calleeNode.parent.type === "CallExpression") {
+                const calleeParent = calleeNode.parent;
+
+                if (calleeNode.type !== "FunctionExpression" && calleeNode.type !== "ArrowFunctionExpression") {
+                    if (calleeParent && calleeParent.loc.start.line < node.loc.start.line) {
+                        indent = getNodeIndent(calleeParent).goodChar;
+                    }
+                } else {
+                    if (isArgBeforeCalleeNodeMultiline(calleeNode) &&
+                        calleeParent.callee.loc.start.line === calleeParent.callee.loc.end.line &&
+                        !isNodeFirstInLine(calleeNode)) {
+                        indent = getNodeIndent(calleeParent).goodChar;
+                    }
+                }
+            }
+
+            /*
+             * function body indent should be indent + indent size, unless this
+             * is a FunctionDeclaration, FunctionExpression, or outer IIFE and the corresponding options are enabled.
+             */
+            let functionOffset = indentSize;
+
+            if (options.outerIIFEBody !== null && isOuterIIFE(calleeNode)) {
+                functionOffset = options.outerIIFEBody * indentSize;
+            } else if (calleeNode.type === "FunctionExpression") {
+                functionOffset = options.FunctionExpression.body * indentSize;
+            } else if (calleeNode.type === "FunctionDeclaration") {
+                functionOffset = options.FunctionDeclaration.body * indentSize;
+            }
+            indent += functionOffset;
+
+            // check if the node is inside a variable
+            const parentVarNode = getVariableDeclaratorNode(node);
+
+            if (parentVarNode && isNodeInVarOnTop(node, parentVarNode)) {
+                indent += indentSize * options.VariableDeclarator[parentVarNode.parent.kind];
+            }
+
+            if (node.body.length > 0) {
+                checkNodesIndent(node.body, indent);
+            }
+
+            checkLastNodeLineIndent(node, indent - functionOffset);
+        }
+
+
+        /**
+         * Checks if the given node starts and ends on the same line
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} Whether or not the block starts and ends on the same line.
+         */
+        function isSingleLineNode(node) {
+            const lastToken = sourceCode.getLastToken(node),
+                startLine = node.loc.start.line,
+                endLine = lastToken.loc.end.line;
+
+            return startLine === endLine;
+        }
+
+        /**
+         * Check indent for array block content or object block content
+         * @param {ASTNode} node node to examine
+         * @returns {void}
+         */
+        function checkIndentInArrayOrObjectBlock(node) {
+
+            // Skip inline
+            if (isSingleLineNode(node)) {
+                return;
+            }
+
+            let elements = (node.type === "ArrayExpression") ? node.elements : node.properties;
+
+            // filter out empty elements example would be [ , 2] so remove first element as espree considers it as null
+            elements = elements.filter(elem => elem !== null);
+
+            let nodeIndent;
+            let elementsIndent;
+            const parentVarNode = getVariableDeclaratorNode(node);
+
+            // TODO - come up with a better strategy in future
+            if (isNodeFirstInLine(node)) {
+                const parent = node.parent;
+
+                nodeIndent = getNodeIndent(parent).goodChar;
+                if (!parentVarNode || parentVarNode.loc.start.line !== node.loc.start.line) {
+                    if (parent.type !== "VariableDeclarator" || parentVarNode === parentVarNode.parent.declarations[0]) {
+                        if (parent.type === "VariableDeclarator" && parentVarNode.loc.start.line === parent.loc.start.line) {
+                            nodeIndent += (indentSize * options.VariableDeclarator[parentVarNode.parent.kind]);
+                        } else if (parent.type === "ObjectExpression" || parent.type === "ArrayExpression") {
+                            const parentElements = node.parent.type === "ObjectExpression" ? node.parent.properties : node.parent.elements;
+
+                            if (parentElements[0] &&
+                                    parentElements[0].loc.start.line === parent.loc.start.line &&
+                                    parentElements[0].loc.end.line !== parent.loc.start.line) {
+
+                                /*
+                                 * If the first element of the array spans multiple lines, don't increase the expected indentation of the rest.
+                                 * e.g. [{
+                                 *        foo: 1
+                                 *      },
+                                 *      {
+                                 *        bar: 1
+                                 *      }]
+                                 * the second object is not indented.
+                                 */
+                            } else if (typeof options[parent.type] === "number") {
+                                nodeIndent += options[parent.type] * indentSize;
+                            } else {
+                                nodeIndent = parentElements[0].loc.start.column;
+                            }
+                        } else if (parent.type === "CallExpression" || parent.type === "NewExpression") {
+                            if (typeof options.CallExpression.arguments === "number") {
+                                nodeIndent += options.CallExpression.arguments * indentSize;
+                            } else if (options.CallExpression.arguments === "first") {
+                                if (parent.arguments.indexOf(node) !== -1) {
+                                    nodeIndent = parent.arguments[0].loc.start.column;
+                                }
+                            } else {
+                                nodeIndent += indentSize;
+                            }
+                        } else if (parent.type === "LogicalExpression" || parent.type === "ArrowFunctionExpression") {
+                            nodeIndent += indentSize;
+                        }
+                    }
+                }
+
+                checkFirstNodeLineIndent(node, nodeIndent);
+            } else {
+                nodeIndent = getNodeIndent(node).goodChar;
+            }
+
+            if (options[node.type] === "first") {
+                elementsIndent = elements.length ? elements[0].loc.start.column : 0; // If there are no elements, elementsIndent doesn't matter.
+            } else {
+                elementsIndent = nodeIndent + indentSize * options[node.type];
+            }
+
+            /*
+             * Check if the node is a multiple variable declaration; if so, then
+             * make sure indentation takes that into account.
+             */
+            if (isNodeInVarOnTop(node, parentVarNode)) {
+                elementsIndent += indentSize * options.VariableDeclarator[parentVarNode.parent.kind];
+            }
+
+            checkNodesIndent(elements, elementsIndent);
+
+            if (elements.length > 0) {
+
+                // Skip last block line check if last item in same line
+                if (elements[elements.length - 1].loc.end.line === node.loc.end.line) {
+                    return;
+                }
+            }
+
+            checkLastNodeLineIndent(node, nodeIndent +
+                (isNodeInVarOnTop(node, parentVarNode) ? options.VariableDeclarator[parentVarNode.parent.kind] * indentSize : 0));
+        }
+
+        /**
+         * Check if the node or node body is a BlockStatement or not
+         * @param {ASTNode} node node to test
+         * @returns {boolean} True if it or its body is a block statement
+         */
+        function isNodeBodyBlock(node) {
+            return node.type === "BlockStatement" || node.type === "ClassBody" || (node.body && node.body.type === "BlockStatement") ||
+                (node.consequent && node.consequent.type === "BlockStatement");
+        }
+
+        /**
+         * Check indentation for blocks
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function blockIndentationCheck(node) {
+
+            // Skip inline blocks
+            if (isSingleLineNode(node)) {
+                return;
+            }
+
+            if (node.parent && (
+                node.parent.type === "FunctionExpression" ||
+                node.parent.type === "FunctionDeclaration" ||
+                node.parent.type === "ArrowFunctionExpression")
+            ) {
+                checkIndentInFunctionBlock(node);
+                return;
+            }
+
+            let indent;
+            let nodesToCheck = [];
+
+            /*
+             * For this statements we should check indent from statement beginning,
+             * not from the beginning of the block.
+             */
+            const statementsWithProperties = [
+                "IfStatement", "WhileStatement", "ForStatement", "ForInStatement", "ForOfStatement", "DoWhileStatement", "ClassDeclaration", "TryStatement"
+            ];
+
+            if (node.parent && statementsWithProperties.indexOf(node.parent.type) !== -1 && isNodeBodyBlock(node)) {
+                indent = getNodeIndent(node.parent).goodChar;
+            } else if (node.parent && node.parent.type === "CatchClause") {
+                indent = getNodeIndent(node.parent.parent).goodChar;
+            } else {
+                indent = getNodeIndent(node).goodChar;
+            }
+
+            if (node.type === "IfStatement" && node.consequent.type !== "BlockStatement") {
+                nodesToCheck = [node.consequent];
+            } else if (Array.isArray(node.body)) {
+                nodesToCheck = node.body;
+            } else {
+                nodesToCheck = [node.body];
+            }
+
+            if (nodesToCheck.length > 0) {
+                checkNodesIndent(nodesToCheck, indent + indentSize);
+            }
+
+            if (node.type === "BlockStatement") {
+                checkLastNodeLineIndent(node, indent);
+            }
+        }
+
+        /**
+         * Filter out the elements which are on the same line of each other or the node.
+         * basically have only 1 elements from each line except the variable declaration line.
+         * @param {ASTNode} node Variable declaration node
+         * @returns {ASTNode[]} Filtered elements
+         */
+        function filterOutSameLineVars(node) {
+            return node.declarations.reduce((finalCollection, elem) => {
+                const lastElem = finalCollection[finalCollection.length - 1];
+
+                if ((elem.loc.start.line !== node.loc.start.line && !lastElem) ||
+                    (lastElem && lastElem.loc.start.line !== elem.loc.start.line)) {
+                    finalCollection.push(elem);
+                }
+
+                return finalCollection;
+            }, []);
+        }
+
+        /**
+         * Check indentation for variable declarations
+         * @param {ASTNode} node node to examine
+         * @returns {void}
+         */
+        function checkIndentInVariableDeclarations(node) {
+            const elements = filterOutSameLineVars(node);
+            const nodeIndent = getNodeIndent(node).goodChar;
+            const lastElement = elements[elements.length - 1];
+
+            const elementsIndent = nodeIndent + indentSize * options.VariableDeclarator[node.kind];
+
+            checkNodesIndent(elements, elementsIndent);
+
+            // Only check the last line if there is any token after the last item
+            if (sourceCode.getLastToken(node).loc.end.line <= lastElement.loc.end.line) {
+                return;
+            }
+
+            const tokenBeforeLastElement = sourceCode.getTokenBefore(lastElement);
+
+            if (tokenBeforeLastElement.value === ",") {
+
+                // Special case for comma-first syntax where the semicolon is indented
+                checkLastNodeLineIndent(node, getNodeIndent(tokenBeforeLastElement).goodChar);
+            } else {
+                checkLastNodeLineIndent(node, elementsIndent - indentSize);
+            }
+        }
+
+        /**
+         * Check and decide whether to check for indentation for blockless nodes
+         * Scenarios are for or while statements without braces around them
+         * @param {ASTNode} node node to examine
+         * @returns {void}
+         */
+        function blockLessNodes(node) {
+            if (node.body.type !== "BlockStatement") {
+                blockIndentationCheck(node);
+            }
+        }
+
+        /**
+         * Returns the expected indentation for the case statement
+         * @param {ASTNode} node node to examine
+         * @param {int} [providedSwitchIndent] indent for switch statement
+         * @returns {int} indent size
+         */
+        function expectedCaseIndent(node, providedSwitchIndent) {
+            const switchNode = (node.type === "SwitchStatement") ? node : node.parent;
+            const switchIndent = typeof providedSwitchIndent === "undefined"
+                ? getNodeIndent(switchNode).goodChar
+                : providedSwitchIndent;
+            let caseIndent;
+
+            if (caseIndentStore[switchNode.loc.start.line]) {
+                return caseIndentStore[switchNode.loc.start.line];
+            }
+
+            if (switchNode.cases.length > 0 && options.SwitchCase === 0) {
+                caseIndent = switchIndent;
+            } else {
+                caseIndent = switchIndent + (indentSize * options.SwitchCase);
+            }
+
+            caseIndentStore[switchNode.loc.start.line] = caseIndent;
+            return caseIndent;
+
+        }
+
+        /**
+         * Checks wether a return statement is wrapped in ()
+         * @param {ASTNode} node node to examine
+         * @returns {boolean} the result
+         */
+        function isWrappedInParenthesis(node) {
+            const regex = /^return\s*?\(\s*?\);*?/u;
+
+            const statementWithoutArgument = sourceCode.getText(node).replace(
+                sourceCode.getText(node.argument), ""
+            );
+
+            return regex.test(statementWithoutArgument);
+        }
+
+        return {
+            Program(node) {
+                if (node.body.length > 0) {
+
+                    // Root nodes should have no indent
+                    checkNodesIndent(node.body, getNodeIndent(node).goodChar);
+                }
+            },
+
+            ClassBody: blockIndentationCheck,
+
+            BlockStatement: blockIndentationCheck,
+
+            WhileStatement: blockLessNodes,
+
+            ForStatement: blockLessNodes,
+
+            ForInStatement: blockLessNodes,
+
+            ForOfStatement: blockLessNodes,
+
+            DoWhileStatement: blockLessNodes,
+
+            IfStatement(node) {
+                if (node.consequent.type !== "BlockStatement" && node.consequent.loc.start.line > node.loc.start.line) {
+                    blockIndentationCheck(node);
+                }
+            },
+
+            VariableDeclaration(node) {
+                if (node.declarations[node.declarations.length - 1].loc.start.line > node.declarations[0].loc.start.line) {
+                    checkIndentInVariableDeclarations(node);
+                }
+            },
+
+            ObjectExpression(node) {
+                checkIndentInArrayOrObjectBlock(node);
+            },
+
+            ArrayExpression(node) {
+                checkIndentInArrayOrObjectBlock(node);
+            },
+
+            MemberExpression(node) {
+
+                if (typeof options.MemberExpression === "undefined") {
+                    return;
+                }
+
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+
+                /*
+                 * The typical layout of variable declarations and assignments
+                 * alter the expectation of correct indentation. Skip them.
+                 * TODO: Add appropriate configuration options for variable
+                 * declarations and assignments.
+                 */
+                if (getParentNodeByType(node, "VariableDeclarator", ["FunctionExpression", "ArrowFunctionExpression"])) {
+                    return;
+                }
+
+                if (getParentNodeByType(node, "AssignmentExpression", ["FunctionExpression"])) {
+                    return;
+                }
+
+                const propertyIndent = getNodeIndent(node).goodChar + indentSize * options.MemberExpression;
+
+                const checkNodes = [node.property];
+
+                const dot = sourceCode.getTokenBefore(node.property);
+
+                if (dot.type === "Punctuator" && dot.value === ".") {
+                    checkNodes.push(dot);
+                }
+
+                checkNodesIndent(checkNodes, propertyIndent);
+            },
+
+            SwitchStatement(node) {
+
+                // Switch is not a 'BlockStatement'
+                const switchIndent = getNodeIndent(node).goodChar;
+                const caseIndent = expectedCaseIndent(node, switchIndent);
+
+                checkNodesIndent(node.cases, caseIndent);
+
+
+                checkLastNodeLineIndent(node, switchIndent);
+            },
+
+            SwitchCase(node) {
+
+                // Skip inline cases
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+                const caseIndent = expectedCaseIndent(node);
+
+                checkNodesIndent(node.consequent, caseIndent + indentSize);
+            },
+
+            FunctionDeclaration(node) {
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+                if (options.FunctionDeclaration.parameters === "first" && node.params.length) {
+                    checkNodesIndent(node.params.slice(1), node.params[0].loc.start.column);
+                } else if (options.FunctionDeclaration.parameters !== null) {
+                    checkNodesIndent(node.params, getNodeIndent(node).goodChar + indentSize * options.FunctionDeclaration.parameters);
+                }
+            },
+
+            FunctionExpression(node) {
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+                if (options.FunctionExpression.parameters === "first" && node.params.length) {
+                    checkNodesIndent(node.params.slice(1), node.params[0].loc.start.column);
+                } else if (options.FunctionExpression.parameters !== null) {
+                    checkNodesIndent(node.params, getNodeIndent(node).goodChar + indentSize * options.FunctionExpression.parameters);
+                }
+            },
+
+            ReturnStatement(node) {
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+
+                const firstLineIndent = getNodeIndent(node).goodChar;
+
+                // in case if return statement is wrapped in parenthesis
+                if (isWrappedInParenthesis(node)) {
+                    checkLastReturnStatementLineIndent(node, firstLineIndent);
+                } else {
+                    checkNodeIndent(node, firstLineIndent);
+                }
+            },
+
+            CallExpression(node) {
+                if (isSingleLineNode(node)) {
+                    return;
+                }
+                if (options.CallExpression.arguments === "first" && node.arguments.length) {
+                    checkNodesIndent(node.arguments.slice(1), node.arguments[0].loc.start.column);
+                } else if (options.CallExpression.arguments !== null) {
+                    checkNodesIndent(node.arguments, getNodeIndent(node).goodChar + indentSize * options.CallExpression.arguments);
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/indent.js b/eslint/lib/rules/indent.js
new file mode 100644
index 0000000..d576fde
--- /dev/null
+++ b/eslint/lib/rules/indent.js
@@ -0,0 +1,1686 @@
+/**
+ * @fileoverview This rule sets a specific indentation style and width for your code
+ *
+ * @author Teddy Katz
+ * @author Vitaly Puzrin
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+const astUtils = require("./utils/ast-utils");
+const createTree = require("functional-red-black-tree");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const KNOWN_NODES = new Set([
+    "AssignmentExpression",
+    "AssignmentPattern",
+    "ArrayExpression",
+    "ArrayPattern",
+    "ArrowFunctionExpression",
+    "AwaitExpression",
+    "BlockStatement",
+    "BinaryExpression",
+    "BreakStatement",
+    "CallExpression",
+    "CatchClause",
+    "ClassBody",
+    "ClassDeclaration",
+    "ClassExpression",
+    "ConditionalExpression",
+    "ContinueStatement",
+    "DoWhileStatement",
+    "DebuggerStatement",
+    "EmptyStatement",
+    "ExperimentalRestProperty",
+    "ExperimentalSpreadProperty",
+    "ExpressionStatement",
+    "ForStatement",
+    "ForInStatement",
+    "ForOfStatement",
+    "FunctionDeclaration",
+    "FunctionExpression",
+    "Identifier",
+    "IfStatement",
+    "Literal",
+    "LabeledStatement",
+    "LogicalExpression",
+    "MemberExpression",
+    "MetaProperty",
+    "MethodDefinition",
+    "NewExpression",
+    "ObjectExpression",
+    "ObjectPattern",
+    "Program",
+    "Property",
+    "RestElement",
+    "ReturnStatement",
+    "SequenceExpression",
+    "SpreadElement",
+    "Super",
+    "SwitchCase",
+    "SwitchStatement",
+    "TaggedTemplateExpression",
+    "TemplateElement",
+    "TemplateLiteral",
+    "ThisExpression",
+    "ThrowStatement",
+    "TryStatement",
+    "UnaryExpression",
+    "UpdateExpression",
+    "VariableDeclaration",
+    "VariableDeclarator",
+    "WhileStatement",
+    "WithStatement",
+    "YieldExpression",
+    "JSXFragment",
+    "JSXOpeningFragment",
+    "JSXClosingFragment",
+    "JSXIdentifier",
+    "JSXNamespacedName",
+    "JSXMemberExpression",
+    "JSXEmptyExpression",
+    "JSXExpressionContainer",
+    "JSXElement",
+    "JSXClosingElement",
+    "JSXOpeningElement",
+    "JSXAttribute",
+    "JSXSpreadAttribute",
+    "JSXText",
+    "ExportDefaultDeclaration",
+    "ExportNamedDeclaration",
+    "ExportAllDeclaration",
+    "ExportSpecifier",
+    "ImportDeclaration",
+    "ImportSpecifier",
+    "ImportDefaultSpecifier",
+    "ImportNamespaceSpecifier",
+    "ImportExpression"
+]);
+
+/*
+ * General rule strategy:
+ * 1. An OffsetStorage instance stores a map of desired offsets, where each token has a specified offset from another
+ *    specified token or to the first column.
+ * 2. As the AST is traversed, modify the desired offsets of tokens accordingly. For example, when entering a
+ *    BlockStatement, offset all of the tokens in the BlockStatement by 1 indent level from the opening curly
+ *    brace of the BlockStatement.
+ * 3. After traversing the AST, calculate the expected indentation levels of every token according to the
+ *    OffsetStorage container.
+ * 4. For each line, compare the expected indentation of the first token to the actual indentation in the file,
+ *    and report the token if the two values are not equal.
+ */
+
+
+/**
+ * A mutable balanced binary search tree that stores (key, value) pairs. The keys are numeric, and must be unique.
+ * This is intended to be a generic wrapper around a balanced binary search tree library, so that the underlying implementation
+ * can easily be swapped out.
+ */
+class BinarySearchTree {
+
+    /**
+     * Creates an empty tree
+     */
+    constructor() {
+        this._rbTree = createTree();
+    }
+
+    /**
+     * Inserts an entry into the tree.
+     * @param {number} key The entry's key
+     * @param {*} value The entry's value
+     * @returns {void}
+     */
+    insert(key, value) {
+        const iterator = this._rbTree.find(key);
+
+        if (iterator.valid) {
+            this._rbTree = iterator.update(value);
+        } else {
+            this._rbTree = this._rbTree.insert(key, value);
+        }
+    }
+
+    /**
+     * Finds the entry with the largest key less than or equal to the provided key
+     * @param {number} key The provided key
+     * @returns {{key: number, value: *}|null} The found entry, or null if no such entry exists.
+     */
+    findLe(key) {
+        const iterator = this._rbTree.le(key);
+
+        return iterator && { key: iterator.key, value: iterator.value };
+    }
+
+    /**
+     * Deletes all of the keys in the interval [start, end)
+     * @param {number} start The start of the range
+     * @param {number} end The end of the range
+     * @returns {void}
+     */
+    deleteRange(start, end) {
+
+        // Exit without traversing the tree if the range has zero size.
+        if (start === end) {
+            return;
+        }
+        const iterator = this._rbTree.ge(start);
+
+        while (iterator.valid && iterator.key < end) {
+            this._rbTree = this._rbTree.remove(iterator.key);
+            iterator.next();
+        }
+    }
+}
+
+/**
+ * A helper class to get token-based info related to indentation
+ */
+class TokenInfo {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {SourceCode} sourceCode A SourceCode object
+     */
+    constructor(sourceCode) {
+        this.sourceCode = sourceCode;
+        this.firstTokensByLineNumber = sourceCode.tokensAndComments.reduce((map, token) => {
+            if (!map.has(token.loc.start.line)) {
+                map.set(token.loc.start.line, token);
+            }
+            if (!map.has(token.loc.end.line) && sourceCode.text.slice(token.range[1] - token.loc.end.column, token.range[1]).trim()) {
+                map.set(token.loc.end.line, token);
+            }
+            return map;
+        }, new Map());
+    }
+
+    /**
+     * Gets the first token on a given token's line
+     * @param {Token|ASTNode} token a node or token
+     * @returns {Token} The first token on the given line
+     */
+    getFirstTokenOfLine(token) {
+        return this.firstTokensByLineNumber.get(token.loc.start.line);
+    }
+
+    /**
+     * Determines whether a token is the first token in its line
+     * @param {Token} token The token
+     * @returns {boolean} `true` if the token is the first on its line
+     */
+    isFirstTokenOfLine(token) {
+        return this.getFirstTokenOfLine(token) === token;
+    }
+
+    /**
+     * Get the actual indent of a token
+     * @param {Token} token Token to examine. This should be the first token on its line.
+     * @returns {string} The indentation characters that precede the token
+     */
+    getTokenIndent(token) {
+        return this.sourceCode.text.slice(token.range[0] - token.loc.start.column, token.range[0]);
+    }
+}
+
+/**
+ * A class to store information on desired offsets of tokens from each other
+ */
+class OffsetStorage {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {TokenInfo} tokenInfo a TokenInfo instance
+     * @param {number} indentSize The desired size of each indentation level
+     * @param {string} indentType The indentation character
+     */
+    constructor(tokenInfo, indentSize, indentType) {
+        this._tokenInfo = tokenInfo;
+        this._indentSize = indentSize;
+        this._indentType = indentType;
+
+        this._tree = new BinarySearchTree();
+        this._tree.insert(0, { offset: 0, from: null, force: false });
+
+        this._lockedFirstTokens = new WeakMap();
+        this._desiredIndentCache = new WeakMap();
+        this._ignoredTokens = new WeakSet();
+    }
+
+    _getOffsetDescriptor(token) {
+        return this._tree.findLe(token.range[0]).value;
+    }
+
+    /**
+     * Sets the offset column of token B to match the offset column of token A.
+     * **WARNING**: This matches a *column*, even if baseToken is not the first token on its line. In
+     * most cases, `setDesiredOffset` should be used instead.
+     * @param {Token} baseToken The first token
+     * @param {Token} offsetToken The second token, whose offset should be matched to the first token
+     * @returns {void}
+     */
+    matchOffsetOf(baseToken, offsetToken) {
+
+        /*
+         * lockedFirstTokens is a map from a token whose indentation is controlled by the "first" option to
+         * the token that it depends on. For example, with the `ArrayExpression: first` option, the first
+         * token of each element in the array after the first will be mapped to the first token of the first
+         * element. The desired indentation of each of these tokens is computed based on the desired indentation
+         * of the "first" element, rather than through the normal offset mechanism.
+         */
+        this._lockedFirstTokens.set(offsetToken, baseToken);
+    }
+
+    /**
+     * Sets the desired offset of a token.
+     *
+     * This uses a line-based offset collapsing behavior to handle tokens on the same line.
+     * For example, consider the following two cases:
+     *
+     * (
+     *     [
+     *         bar
+     *     ]
+     * )
+     *
+     * ([
+     *     bar
+     * ])
+     *
+     * Based on the first case, it's clear that the `bar` token needs to have an offset of 1 indent level (4 spaces) from
+     * the `[` token, and the `[` token has to have an offset of 1 indent level from the `(` token. Since the `(` token is
+     * the first on its line (with an indent of 0 spaces), the `bar` token needs to be offset by 2 indent levels (8 spaces)
+     * from the start of its line.
+     *
+     * However, in the second case `bar` should only be indented by 4 spaces. This is because the offset of 1 indent level
+     * between the `(` and the `[` tokens gets "collapsed" because the two tokens are on the same line. As a result, the
+     * `(` token is mapped to the `[` token with an offset of 0, and the rule correctly decides that `bar` should be indented
+     * by 1 indent level from the start of the line.
+     *
+     * This is useful because rule listeners can usually just call `setDesiredOffset` for all the tokens in the node,
+     * without needing to check which lines those tokens are on.
+     *
+     * Note that since collapsing only occurs when two tokens are on the same line, there are a few cases where non-intuitive
+     * behavior can occur. For example, consider the following cases:
+     *
+     * foo(
+     * ).
+     *     bar(
+     *         baz
+     *     )
+     *
+     * foo(
+     * ).bar(
+     *     baz
+     * )
+     *
+     * Based on the first example, it would seem that `bar` should be offset by 1 indent level from `foo`, and `baz`
+     * should be offset by 1 indent level from `bar`. However, this is not correct, because it would result in `baz`
+     * being indented by 2 indent levels in the second case (since `foo`, `bar`, and `baz` are all on separate lines, no
+     * collapsing would occur).
+     *
+     * Instead, the correct way would be to offset `baz` by 1 level from `bar`, offset `bar` by 1 level from the `)`, and
+     * offset the `)` by 0 levels from `foo`. This ensures that the offset between `bar` and the `)` are correctly collapsed
+     * in the second case.
+     * @param {Token} token The token
+     * @param {Token} fromToken The token that `token` should be offset from
+     * @param {number} offset The desired indent level
+     * @returns {void}
+     */
+    setDesiredOffset(token, fromToken, offset) {
+        return this.setDesiredOffsets(token.range, fromToken, offset);
+    }
+
+    /**
+     * Sets the desired offset of all tokens in a range
+     * It's common for node listeners in this file to need to apply the same offset to a large, contiguous range of tokens.
+     * Moreover, the offset of any given token is usually updated multiple times (roughly once for each node that contains
+     * it). This means that the offset of each token is updated O(AST depth) times.
+     * It would not be performant to store and update the offsets for each token independently, because the rule would end
+     * up having a time complexity of O(number of tokens * AST depth), which is quite slow for large files.
+     *
+     * Instead, the offset tree is represented as a collection of contiguous offset ranges in a file. For example, the following
+     * list could represent the state of the offset tree at a given point:
+     *
+     * * Tokens starting in the interval [0, 15) are aligned with the beginning of the file
+     * * Tokens starting in the interval [15, 30) are offset by 1 indent level from the `bar` token
+     * * Tokens starting in the interval [30, 43) are offset by 1 indent level from the `foo` token
+     * * Tokens starting in the interval [43, 820) are offset by 2 indent levels from the `bar` token
+     * * Tokens starting in the interval [820, ∞) are offset by 1 indent level from the `baz` token
+     *
+     * The `setDesiredOffsets` methods inserts ranges like the ones above. The third line above would be inserted by using:
+     * `setDesiredOffsets([30, 43], fooToken, 1);`
+     * @param {[number, number]} range A [start, end] pair. All tokens with range[0] <= token.start < range[1] will have the offset applied.
+     * @param {Token} fromToken The token that this is offset from
+     * @param {number} offset The desired indent level
+     * @param {boolean} force `true` if this offset should not use the normal collapsing behavior. This should almost always be false.
+     * @returns {void}
+     */
+    setDesiredOffsets(range, fromToken, offset, force) {
+
+        /*
+         * Offset ranges are stored as a collection of nodes, where each node maps a numeric key to an offset
+         * descriptor. The tree for the example above would have the following nodes:
+         *
+         * * key: 0, value: { offset: 0, from: null }
+         * * key: 15, value: { offset: 1, from: barToken }
+         * * key: 30, value: { offset: 1, from: fooToken }
+         * * key: 43, value: { offset: 2, from: barToken }
+         * * key: 820, value: { offset: 1, from: bazToken }
+         *
+         * To find the offset descriptor for any given token, one needs to find the node with the largest key
+         * which is <= token.start. To make this operation fast, the nodes are stored in a balanced binary
+         * search tree indexed by key.
+         */
+
+        const descriptorToInsert = { offset, from: fromToken, force };
+
+        const descriptorAfterRange = this._tree.findLe(range[1]).value;
+
+        const fromTokenIsInRange = fromToken && fromToken.range[0] >= range[0] && fromToken.range[1] <= range[1];
+        const fromTokenDescriptor = fromTokenIsInRange && this._getOffsetDescriptor(fromToken);
+
+        // First, remove any existing nodes in the range from the tree.
+        this._tree.deleteRange(range[0] + 1, range[1]);
+
+        // Insert a new node into the tree for this range
+        this._tree.insert(range[0], descriptorToInsert);
+
+        /*
+         * To avoid circular offset dependencies, keep the `fromToken` token mapped to whatever it was mapped to previously,
+         * even if it's in the current range.
+         */
+        if (fromTokenIsInRange) {
+            this._tree.insert(fromToken.range[0], fromTokenDescriptor);
+            this._tree.insert(fromToken.range[1], descriptorToInsert);
+        }
+
+        /*
+         * To avoid modifying the offset of tokens after the range, insert another node to keep the offset of the following
+         * tokens the same as it was before.
+         */
+        this._tree.insert(range[1], descriptorAfterRange);
+    }
+
+    /**
+     * Gets the desired indent of a token
+     * @param {Token} token The token
+     * @returns {string} The desired indent of the token
+     */
+    getDesiredIndent(token) {
+        if (!this._desiredIndentCache.has(token)) {
+
+            if (this._ignoredTokens.has(token)) {
+
+                /*
+                 * If the token is ignored, use the actual indent of the token as the desired indent.
+                 * This ensures that no errors are reported for this token.
+                 */
+                this._desiredIndentCache.set(
+                    token,
+                    this._tokenInfo.getTokenIndent(token)
+                );
+            } else if (this._lockedFirstTokens.has(token)) {
+                const firstToken = this._lockedFirstTokens.get(token);
+
+                this._desiredIndentCache.set(
+                    token,
+
+                    // (indentation for the first element's line)
+                    this.getDesiredIndent(this._tokenInfo.getFirstTokenOfLine(firstToken)) +
+
+                        // (space between the start of the first element's line and the first element)
+                        this._indentType.repeat(firstToken.loc.start.column - this._tokenInfo.getFirstTokenOfLine(firstToken).loc.start.column)
+                );
+            } else {
+                const offsetInfo = this._getOffsetDescriptor(token);
+                const offset = (
+                    offsetInfo.from &&
+                    offsetInfo.from.loc.start.line === token.loc.start.line &&
+                    !/^\s*?\n/u.test(token.value) &&
+                    !offsetInfo.force
+                ) ? 0 : offsetInfo.offset * this._indentSize;
+
+                this._desiredIndentCache.set(
+                    token,
+                    (offsetInfo.from ? this.getDesiredIndent(offsetInfo.from) : "") + this._indentType.repeat(offset)
+                );
+            }
+        }
+        return this._desiredIndentCache.get(token);
+    }
+
+    /**
+     * Ignores a token, preventing it from being reported.
+     * @param {Token} token The token
+     * @returns {void}
+     */
+    ignoreToken(token) {
+        if (this._tokenInfo.isFirstTokenOfLine(token)) {
+            this._ignoredTokens.add(token);
+        }
+    }
+
+    /**
+     * Gets the first token that the given token's indentation is dependent on
+     * @param {Token} token The token
+     * @returns {Token} The token that the given token depends on, or `null` if the given token is at the top level
+     */
+    getFirstDependency(token) {
+        return this._getOffsetDescriptor(token).from;
+    }
+}
+
+const ELEMENT_LIST_SCHEMA = {
+    oneOf: [
+        {
+            type: "integer",
+            minimum: 0
+        },
+        {
+            enum: ["first", "off"]
+        }
+    ]
+};
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent indentation",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/indent"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["tab"]
+                    },
+                    {
+                        type: "integer",
+                        minimum: 0
+                    }
+                ]
+            },
+            {
+                type: "object",
+                properties: {
+                    SwitchCase: {
+                        type: "integer",
+                        minimum: 0,
+                        default: 0
+                    },
+                    VariableDeclarator: {
+                        oneOf: [
+                            ELEMENT_LIST_SCHEMA,
+                            {
+                                type: "object",
+                                properties: {
+                                    var: ELEMENT_LIST_SCHEMA,
+                                    let: ELEMENT_LIST_SCHEMA,
+                                    const: ELEMENT_LIST_SCHEMA
+                                },
+                                additionalProperties: false
+                            }
+                        ]
+                    },
+                    outerIIFEBody: {
+                        oneOf: [
+                            {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            {
+                                enum: ["off"]
+                            }
+                        ]
+                    },
+                    MemberExpression: {
+                        oneOf: [
+                            {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            {
+                                enum: ["off"]
+                            }
+                        ]
+                    },
+                    FunctionDeclaration: {
+                        type: "object",
+                        properties: {
+                            parameters: ELEMENT_LIST_SCHEMA,
+                            body: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    FunctionExpression: {
+                        type: "object",
+                        properties: {
+                            parameters: ELEMENT_LIST_SCHEMA,
+                            body: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    CallExpression: {
+                        type: "object",
+                        properties: {
+                            arguments: ELEMENT_LIST_SCHEMA
+                        },
+                        additionalProperties: false
+                    },
+                    ArrayExpression: ELEMENT_LIST_SCHEMA,
+                    ObjectExpression: ELEMENT_LIST_SCHEMA,
+                    ImportDeclaration: ELEMENT_LIST_SCHEMA,
+                    flatTernaryExpressions: {
+                        type: "boolean",
+                        default: false
+                    },
+                    offsetTernaryExpressions: {
+                        type: "boolean",
+                        default: false
+                    },
+                    ignoredNodes: {
+                        type: "array",
+                        items: {
+                            type: "string",
+                            not: {
+                                pattern: ":exit$"
+                            }
+                        }
+                    },
+                    ignoreComments: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            wrongIndentation: "Expected indentation of {{expected}} but found {{actual}}."
+        }
+    },
+
+    create(context) {
+        const DEFAULT_VARIABLE_INDENT = 1;
+        const DEFAULT_PARAMETER_INDENT = 1;
+        const DEFAULT_FUNCTION_BODY_INDENT = 1;
+
+        let indentType = "space";
+        let indentSize = 4;
+        const options = {
+            SwitchCase: 0,
+            VariableDeclarator: {
+                var: DEFAULT_VARIABLE_INDENT,
+                let: DEFAULT_VARIABLE_INDENT,
+                const: DEFAULT_VARIABLE_INDENT
+            },
+            outerIIFEBody: 1,
+            FunctionDeclaration: {
+                parameters: DEFAULT_PARAMETER_INDENT,
+                body: DEFAULT_FUNCTION_BODY_INDENT
+            },
+            FunctionExpression: {
+                parameters: DEFAULT_PARAMETER_INDENT,
+                body: DEFAULT_FUNCTION_BODY_INDENT
+            },
+            CallExpression: {
+                arguments: DEFAULT_PARAMETER_INDENT
+            },
+            MemberExpression: 1,
+            ArrayExpression: 1,
+            ObjectExpression: 1,
+            ImportDeclaration: 1,
+            flatTernaryExpressions: false,
+            ignoredNodes: [],
+            ignoreComments: false
+        };
+
+        if (context.options.length) {
+            if (context.options[0] === "tab") {
+                indentSize = 1;
+                indentType = "tab";
+            } else {
+                indentSize = context.options[0];
+                indentType = "space";
+            }
+
+            if (context.options[1]) {
+                Object.assign(options, context.options[1]);
+
+                if (typeof options.VariableDeclarator === "number" || options.VariableDeclarator === "first") {
+                    options.VariableDeclarator = {
+                        var: options.VariableDeclarator,
+                        let: options.VariableDeclarator,
+                        const: options.VariableDeclarator
+                    };
+                }
+            }
+        }
+
+        const sourceCode = context.getSourceCode();
+        const tokenInfo = new TokenInfo(sourceCode);
+        const offsets = new OffsetStorage(tokenInfo, indentSize, indentType === "space" ? " " : "\t");
+        const parameterParens = new WeakSet();
+
+        /**
+         * Creates an error message for a line, given the expected/actual indentation.
+         * @param {int} expectedAmount The expected amount of indentation characters for this line
+         * @param {int} actualSpaces The actual number of indentation spaces that were found on this line
+         * @param {int} actualTabs The actual number of indentation tabs that were found on this line
+         * @returns {string} An error message for this line
+         */
+        function createErrorMessageData(expectedAmount, actualSpaces, actualTabs) {
+            const expectedStatement = `${expectedAmount} ${indentType}${expectedAmount === 1 ? "" : "s"}`; // e.g. "2 tabs"
+            const foundSpacesWord = `space${actualSpaces === 1 ? "" : "s"}`; // e.g. "space"
+            const foundTabsWord = `tab${actualTabs === 1 ? "" : "s"}`; // e.g. "tabs"
+            let foundStatement;
+
+            if (actualSpaces > 0) {
+
+                /*
+                 * Abbreviate the message if the expected indentation is also spaces.
+                 * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces'
+                 */
+                foundStatement = indentType === "space" ? actualSpaces : `${actualSpaces} ${foundSpacesWord}`;
+            } else if (actualTabs > 0) {
+                foundStatement = indentType === "tab" ? actualTabs : `${actualTabs} ${foundTabsWord}`;
+            } else {
+                foundStatement = "0";
+            }
+            return {
+                expected: expectedStatement,
+                actual: foundStatement
+            };
+        }
+
+        /**
+         * Reports a given indent violation
+         * @param {Token} token Token violating the indent rule
+         * @param {string} neededIndent Expected indentation string
+         * @returns {void}
+         */
+        function report(token, neededIndent) {
+            const actualIndent = Array.from(tokenInfo.getTokenIndent(token));
+            const numSpaces = actualIndent.filter(char => char === " ").length;
+            const numTabs = actualIndent.filter(char => char === "\t").length;
+
+            context.report({
+                node: token,
+                messageId: "wrongIndentation",
+                data: createErrorMessageData(neededIndent.length, numSpaces, numTabs),
+                loc: {
+                    start: { line: token.loc.start.line, column: 0 },
+                    end: { line: token.loc.start.line, column: token.loc.start.column }
+                },
+                fix(fixer) {
+                    const range = [token.range[0] - token.loc.start.column, token.range[0]];
+                    const newText = neededIndent;
+
+                    return fixer.replaceTextRange(range, newText);
+                }
+            });
+        }
+
+        /**
+         * Checks if a token's indentation is correct
+         * @param {Token} token Token to examine
+         * @param {string} desiredIndent Desired indentation of the string
+         * @returns {boolean} `true` if the token's indentation is correct
+         */
+        function validateTokenIndent(token, desiredIndent) {
+            const indentation = tokenInfo.getTokenIndent(token);
+
+            return indentation === desiredIndent ||
+
+                // To avoid conflicts with no-mixed-spaces-and-tabs, don't report mixed spaces and tabs.
+                indentation.includes(" ") && indentation.includes("\t");
+        }
+
+        /**
+         * Check to see if the node is a file level IIFE
+         * @param {ASTNode} node The function node to check.
+         * @returns {boolean} True if the node is the outer IIFE
+         */
+        function isOuterIIFE(node) {
+
+            /*
+             * Verify that the node is an IIFE
+             */
+            if (!node.parent || node.parent.type !== "CallExpression" || node.parent.callee !== node) {
+                return false;
+            }
+
+            /*
+             * Navigate legal ancestors to determine whether this IIFE is outer.
+             * A "legal ancestor" is an expression or statement that causes the function to get executed immediately.
+             * For example, `!(function(){})()` is an outer IIFE even though it is preceded by a ! operator.
+             */
+            let statement = node.parent && node.parent.parent;
+
+            while (
+                statement.type === "UnaryExpression" && ["!", "~", "+", "-"].indexOf(statement.operator) > -1 ||
+                statement.type === "AssignmentExpression" ||
+                statement.type === "LogicalExpression" ||
+                statement.type === "SequenceExpression" ||
+                statement.type === "VariableDeclarator"
+            ) {
+                statement = statement.parent;
+            }
+
+            return (statement.type === "ExpressionStatement" || statement.type === "VariableDeclaration") && statement.parent.type === "Program";
+        }
+
+        /**
+         * Counts the number of linebreaks that follow the last non-whitespace character in a string
+         * @param {string} string The string to check
+         * @returns {number} The number of JavaScript linebreaks that follow the last non-whitespace character,
+         * or the total number of linebreaks if the string is all whitespace.
+         */
+        function countTrailingLinebreaks(string) {
+            const trailingWhitespace = string.match(/\s*$/u)[0];
+            const linebreakMatches = trailingWhitespace.match(astUtils.createGlobalLinebreakMatcher());
+
+            return linebreakMatches === null ? 0 : linebreakMatches.length;
+        }
+
+        /**
+         * Check indentation for lists of elements (arrays, objects, function params)
+         * @param {ASTNode[]} elements List of elements that should be offset
+         * @param {Token} startToken The start token of the list that element should be aligned against, e.g. '['
+         * @param {Token} endToken The end token of the list, e.g. ']'
+         * @param {number|string} offset The amount that the elements should be offset
+         * @returns {void}
+         */
+        function addElementListIndent(elements, startToken, endToken, offset) {
+
+            /**
+             * Gets the first token of a given element, including surrounding parentheses.
+             * @param {ASTNode} element A node in the `elements` list
+             * @returns {Token} The first token of this element
+             */
+            function getFirstToken(element) {
+                let token = sourceCode.getTokenBefore(element);
+
+                while (astUtils.isOpeningParenToken(token) && token !== startToken) {
+                    token = sourceCode.getTokenBefore(token);
+                }
+                return sourceCode.getTokenAfter(token);
+            }
+
+            // Run through all the tokens in the list, and offset them by one indent level (mainly for comments, other things will end up overridden)
+            offsets.setDesiredOffsets(
+                [startToken.range[1], endToken.range[0]],
+                startToken,
+                typeof offset === "number" ? offset : 1
+            );
+            offsets.setDesiredOffset(endToken, startToken, 0);
+
+            // If the preference is "first" but there is no first element (e.g. sparse arrays w/ empty first slot), fall back to 1 level.
+            if (offset === "first" && elements.length && !elements[0]) {
+                return;
+            }
+            elements.forEach((element, index) => {
+                if (!element) {
+
+                    // Skip holes in arrays
+                    return;
+                }
+                if (offset === "off") {
+
+                    // Ignore the first token of every element if the "off" option is used
+                    offsets.ignoreToken(getFirstToken(element));
+                }
+
+                // Offset the following elements correctly relative to the first element
+                if (index === 0) {
+                    return;
+                }
+                if (offset === "first" && tokenInfo.isFirstTokenOfLine(getFirstToken(element))) {
+                    offsets.matchOffsetOf(getFirstToken(elements[0]), getFirstToken(element));
+                } else {
+                    const previousElement = elements[index - 1];
+                    const firstTokenOfPreviousElement = previousElement && getFirstToken(previousElement);
+                    const previousElementLastToken = previousElement && sourceCode.getLastToken(previousElement);
+
+                    if (
+                        previousElement &&
+                        previousElementLastToken.loc.end.line - countTrailingLinebreaks(previousElementLastToken.value) > startToken.loc.end.line
+                    ) {
+                        offsets.setDesiredOffsets(
+                            [previousElement.range[1], element.range[1]],
+                            firstTokenOfPreviousElement,
+                            0
+                        );
+                    }
+                }
+            });
+        }
+
+        /**
+         * Check and decide whether to check for indentation for blockless nodes
+         * Scenarios are for or while statements without braces around them
+         * @param {ASTNode} node node to examine
+         * @returns {void}
+         */
+        function addBlocklessNodeIndent(node) {
+            if (node.type !== "BlockStatement") {
+                const lastParentToken = sourceCode.getTokenBefore(node, astUtils.isNotOpeningParenToken);
+
+                let firstBodyToken = sourceCode.getFirstToken(node);
+                let lastBodyToken = sourceCode.getLastToken(node);
+
+                while (
+                    astUtils.isOpeningParenToken(sourceCode.getTokenBefore(firstBodyToken)) &&
+                    astUtils.isClosingParenToken(sourceCode.getTokenAfter(lastBodyToken))
+                ) {
+                    firstBodyToken = sourceCode.getTokenBefore(firstBodyToken);
+                    lastBodyToken = sourceCode.getTokenAfter(lastBodyToken);
+                }
+
+                offsets.setDesiredOffsets([firstBodyToken.range[0], lastBodyToken.range[1]], lastParentToken, 1);
+
+                /*
+                 * For blockless nodes with semicolon-first style, don't indent the semicolon.
+                 * e.g.
+                 * if (foo) bar()
+                 * ; [1, 2, 3].map(foo)
+                 */
+                const lastToken = sourceCode.getLastToken(node);
+
+                if (node.type !== "EmptyStatement" && astUtils.isSemicolonToken(lastToken)) {
+                    offsets.setDesiredOffset(lastToken, lastParentToken, 0);
+                }
+            }
+        }
+
+        /**
+         * Checks the indentation for nodes that are like function calls (`CallExpression` and `NewExpression`)
+         * @param {ASTNode} node A CallExpression or NewExpression node
+         * @returns {void}
+         */
+        function addFunctionCallIndent(node) {
+            let openingParen;
+
+            if (node.arguments.length) {
+                openingParen = sourceCode.getFirstTokenBetween(node.callee, node.arguments[0], astUtils.isOpeningParenToken);
+            } else {
+                openingParen = sourceCode.getLastToken(node, 1);
+            }
+            const closingParen = sourceCode.getLastToken(node);
+
+            parameterParens.add(openingParen);
+            parameterParens.add(closingParen);
+
+            const offsetAfterToken = node.callee.type === "TaggedTemplateExpression" ? sourceCode.getFirstToken(node.callee.quasi) : openingParen;
+            const offsetToken = sourceCode.getTokenBefore(offsetAfterToken);
+
+            offsets.setDesiredOffset(openingParen, offsetToken, 0);
+
+            addElementListIndent(node.arguments, openingParen, closingParen, options.CallExpression.arguments);
+        }
+
+        /**
+         * Checks the indentation of parenthesized values, given a list of tokens in a program
+         * @param {Token[]} tokens A list of tokens
+         * @returns {void}
+         */
+        function addParensIndent(tokens) {
+            const parenStack = [];
+            const parenPairs = [];
+
+            tokens.forEach(nextToken => {
+
+                // Accumulate a list of parenthesis pairs
+                if (astUtils.isOpeningParenToken(nextToken)) {
+                    parenStack.push(nextToken);
+                } else if (astUtils.isClosingParenToken(nextToken)) {
+                    parenPairs.unshift({ left: parenStack.pop(), right: nextToken });
+                }
+            });
+
+            parenPairs.forEach(pair => {
+                const leftParen = pair.left;
+                const rightParen = pair.right;
+
+                // We only want to handle parens around expressions, so exclude parentheses that are in function parameters and function call arguments.
+                if (!parameterParens.has(leftParen) && !parameterParens.has(rightParen)) {
+                    const parenthesizedTokens = new Set(sourceCode.getTokensBetween(leftParen, rightParen));
+
+                    parenthesizedTokens.forEach(token => {
+                        if (!parenthesizedTokens.has(offsets.getFirstDependency(token))) {
+                            offsets.setDesiredOffset(token, leftParen, 1);
+                        }
+                    });
+                }
+
+                offsets.setDesiredOffset(rightParen, leftParen, 0);
+            });
+        }
+
+        /**
+         * Ignore all tokens within an unknown node whose offset do not depend
+         * on another token's offset within the unknown node
+         * @param {ASTNode} node Unknown Node
+         * @returns {void}
+         */
+        function ignoreNode(node) {
+            const unknownNodeTokens = new Set(sourceCode.getTokens(node, { includeComments: true }));
+
+            unknownNodeTokens.forEach(token => {
+                if (!unknownNodeTokens.has(offsets.getFirstDependency(token))) {
+                    const firstTokenOfLine = tokenInfo.getFirstTokenOfLine(token);
+
+                    if (token === firstTokenOfLine) {
+                        offsets.ignoreToken(token);
+                    } else {
+                        offsets.setDesiredOffset(token, firstTokenOfLine, 0);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Check whether the given token is on the first line of a statement.
+         * @param {Token} token The token to check.
+         * @param {ASTNode} leafNode The expression node that the token belongs directly.
+         * @returns {boolean} `true` if the token is on the first line of a statement.
+         */
+        function isOnFirstLineOfStatement(token, leafNode) {
+            let node = leafNode;
+
+            while (node.parent && !node.parent.type.endsWith("Statement") && !node.parent.type.endsWith("Declaration")) {
+                node = node.parent;
+            }
+            node = node.parent;
+
+            return !node || node.loc.start.line === token.loc.start.line;
+        }
+
+        /**
+         * Check whether there are any blank (whitespace-only) lines between
+         * two tokens on separate lines.
+         * @param {Token} firstToken The first token.
+         * @param {Token} secondToken The second token.
+         * @returns {boolean} `true` if the tokens are on separate lines and
+         *   there exists a blank line between them, `false` otherwise.
+         */
+        function hasBlankLinesBetween(firstToken, secondToken) {
+            const firstTokenLine = firstToken.loc.end.line;
+            const secondTokenLine = secondToken.loc.start.line;
+
+            if (firstTokenLine === secondTokenLine || firstTokenLine === secondTokenLine - 1) {
+                return false;
+            }
+
+            for (let line = firstTokenLine + 1; line < secondTokenLine; ++line) {
+                if (!tokenInfo.firstTokensByLineNumber.has(line)) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        const ignoredNodeFirstTokens = new Set();
+
+        const baseOffsetListeners = {
+            "ArrayExpression, ArrayPattern"(node) {
+                const openingBracket = sourceCode.getFirstToken(node);
+                const closingBracket = sourceCode.getTokenAfter(lodash.findLast(node.elements) || openingBracket, astUtils.isClosingBracketToken);
+
+                addElementListIndent(node.elements, openingBracket, closingBracket, options.ArrayExpression);
+            },
+
+            "ObjectExpression, ObjectPattern"(node) {
+                const openingCurly = sourceCode.getFirstToken(node);
+                const closingCurly = sourceCode.getTokenAfter(
+                    node.properties.length ? node.properties[node.properties.length - 1] : openingCurly,
+                    astUtils.isClosingBraceToken
+                );
+
+                addElementListIndent(node.properties, openingCurly, closingCurly, options.ObjectExpression);
+            },
+
+            ArrowFunctionExpression(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+
+                if (astUtils.isOpeningParenToken(firstToken)) {
+                    const openingParen = firstToken;
+                    const closingParen = sourceCode.getTokenBefore(node.body, astUtils.isClosingParenToken);
+
+                    parameterParens.add(openingParen);
+                    parameterParens.add(closingParen);
+                    addElementListIndent(node.params, openingParen, closingParen, options.FunctionExpression.parameters);
+                }
+                addBlocklessNodeIndent(node.body);
+            },
+
+            AssignmentExpression(node) {
+                const operator = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+
+                offsets.setDesiredOffsets([operator.range[0], node.range[1]], sourceCode.getLastToken(node.left), 1);
+                offsets.ignoreToken(operator);
+                offsets.ignoreToken(sourceCode.getTokenAfter(operator));
+            },
+
+            "BinaryExpression, LogicalExpression"(node) {
+                const operator = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+
+                /*
+                 * For backwards compatibility, don't check BinaryExpression indents, e.g.
+                 * var foo = bar &&
+                 *                   baz;
+                 */
+
+                const tokenAfterOperator = sourceCode.getTokenAfter(operator);
+
+                offsets.ignoreToken(operator);
+                offsets.ignoreToken(tokenAfterOperator);
+                offsets.setDesiredOffset(tokenAfterOperator, operator, 0);
+            },
+
+            "BlockStatement, ClassBody"(node) {
+                let blockIndentLevel;
+
+                if (node.parent && isOuterIIFE(node.parent)) {
+                    blockIndentLevel = options.outerIIFEBody;
+                } else if (node.parent && (node.parent.type === "FunctionExpression" || node.parent.type === "ArrowFunctionExpression")) {
+                    blockIndentLevel = options.FunctionExpression.body;
+                } else if (node.parent && node.parent.type === "FunctionDeclaration") {
+                    blockIndentLevel = options.FunctionDeclaration.body;
+                } else {
+                    blockIndentLevel = 1;
+                }
+
+                /*
+                 * For blocks that aren't lone statements, ensure that the opening curly brace
+                 * is aligned with the parent.
+                 */
+                if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+                    offsets.setDesiredOffset(sourceCode.getFirstToken(node), sourceCode.getFirstToken(node.parent), 0);
+                }
+
+                addElementListIndent(node.body, sourceCode.getFirstToken(node), sourceCode.getLastToken(node), blockIndentLevel);
+            },
+
+            CallExpression: addFunctionCallIndent,
+
+            "ClassDeclaration[superClass], ClassExpression[superClass]"(node) {
+                const classToken = sourceCode.getFirstToken(node);
+                const extendsToken = sourceCode.getTokenBefore(node.superClass, astUtils.isNotOpeningParenToken);
+
+                offsets.setDesiredOffsets([extendsToken.range[0], node.body.range[0]], classToken, 1);
+            },
+
+            ConditionalExpression(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+
+                // `flatTernaryExpressions` option is for the following style:
+                // var a =
+                //     foo > 0 ? bar :
+                //     foo < 0 ? baz :
+                //     /*else*/ qiz ;
+                if (!options.flatTernaryExpressions ||
+                    !astUtils.isTokenOnSameLine(node.test, node.consequent) ||
+                    isOnFirstLineOfStatement(firstToken, node)
+                ) {
+                    const questionMarkToken = sourceCode.getFirstTokenBetween(node.test, node.consequent, token => token.type === "Punctuator" && token.value === "?");
+                    const colonToken = sourceCode.getFirstTokenBetween(node.consequent, node.alternate, token => token.type === "Punctuator" && token.value === ":");
+
+                    const firstConsequentToken = sourceCode.getTokenAfter(questionMarkToken);
+                    const lastConsequentToken = sourceCode.getTokenBefore(colonToken);
+                    const firstAlternateToken = sourceCode.getTokenAfter(colonToken);
+
+                    offsets.setDesiredOffset(questionMarkToken, firstToken, 1);
+                    offsets.setDesiredOffset(colonToken, firstToken, 1);
+
+                    offsets.setDesiredOffset(firstConsequentToken, firstToken,
+                        options.offsetTernaryExpressions ? 2 : 1);
+
+                    /*
+                     * The alternate and the consequent should usually have the same indentation.
+                     * If they share part of a line, align the alternate against the first token of the consequent.
+                     * This allows the alternate to be indented correctly in cases like this:
+                     * foo ? (
+                     *   bar
+                     * ) : ( // this '(' is aligned with the '(' above, so it's considered to be aligned with `foo`
+                     *   baz // as a result, `baz` is offset by 1 rather than 2
+                     * )
+                     */
+                    if (lastConsequentToken.loc.end.line === firstAlternateToken.loc.start.line) {
+                        offsets.setDesiredOffset(firstAlternateToken, firstConsequentToken, 0);
+                    } else {
+
+                        /**
+                         * If the alternate and consequent do not share part of a line, offset the alternate from the first
+                         * token of the conditional expression. For example:
+                         * foo ? bar
+                         *   : baz
+                         *
+                         * If `baz` were aligned with `bar` rather than being offset by 1 from `foo`, `baz` would end up
+                         * having no expected indentation.
+                         */
+                        offsets.setDesiredOffset(firstAlternateToken, firstToken,
+                            firstAlternateToken.type === "Punctuator" &&
+                            options.offsetTernaryExpressions ? 2 : 1);
+                    }
+                }
+            },
+
+            "DoWhileStatement, WhileStatement, ForInStatement, ForOfStatement": node => addBlocklessNodeIndent(node.body),
+
+            ExportNamedDeclaration(node) {
+                if (node.declaration === null) {
+                    const closingCurly = sourceCode.getLastToken(node, astUtils.isClosingBraceToken);
+
+                    // Indent the specifiers in `export {foo, bar, baz}`
+                    addElementListIndent(node.specifiers, sourceCode.getFirstToken(node, { skip: 1 }), closingCurly, 1);
+
+                    if (node.source) {
+
+                        // Indent everything after and including the `from` token in `export {foo, bar, baz} from 'qux'`
+                        offsets.setDesiredOffsets([closingCurly.range[1], node.range[1]], sourceCode.getFirstToken(node), 1);
+                    }
+                }
+            },
+
+            ForStatement(node) {
+                const forOpeningParen = sourceCode.getFirstToken(node, 1);
+
+                if (node.init) {
+                    offsets.setDesiredOffsets(node.init.range, forOpeningParen, 1);
+                }
+                if (node.test) {
+                    offsets.setDesiredOffsets(node.test.range, forOpeningParen, 1);
+                }
+                if (node.update) {
+                    offsets.setDesiredOffsets(node.update.range, forOpeningParen, 1);
+                }
+                addBlocklessNodeIndent(node.body);
+            },
+
+            "FunctionDeclaration, FunctionExpression"(node) {
+                const closingParen = sourceCode.getTokenBefore(node.body);
+                const openingParen = sourceCode.getTokenBefore(node.params.length ? node.params[0] : closingParen);
+
+                parameterParens.add(openingParen);
+                parameterParens.add(closingParen);
+                addElementListIndent(node.params, openingParen, closingParen, options[node.type].parameters);
+            },
+
+            IfStatement(node) {
+                addBlocklessNodeIndent(node.consequent);
+                if (node.alternate && node.alternate.type !== "IfStatement") {
+                    addBlocklessNodeIndent(node.alternate);
+                }
+            },
+
+            ImportDeclaration(node) {
+                if (node.specifiers.some(specifier => specifier.type === "ImportSpecifier")) {
+                    const openingCurly = sourceCode.getFirstToken(node, astUtils.isOpeningBraceToken);
+                    const closingCurly = sourceCode.getLastToken(node, astUtils.isClosingBraceToken);
+
+                    addElementListIndent(node.specifiers.filter(specifier => specifier.type === "ImportSpecifier"), openingCurly, closingCurly, options.ImportDeclaration);
+                }
+
+                const fromToken = sourceCode.getLastToken(node, token => token.type === "Identifier" && token.value === "from");
+                const sourceToken = sourceCode.getLastToken(node, token => token.type === "String");
+                const semiToken = sourceCode.getLastToken(node, token => token.type === "Punctuator" && token.value === ";");
+
+                if (fromToken) {
+                    const end = semiToken && semiToken.range[1] === sourceToken.range[1] ? node.range[1] : sourceToken.range[1];
+
+                    offsets.setDesiredOffsets([fromToken.range[0], end], sourceCode.getFirstToken(node), 1);
+                }
+            },
+
+            ImportExpression(node) {
+                const openingParen = sourceCode.getFirstToken(node, 1);
+                const closingParen = sourceCode.getLastToken(node);
+
+                parameterParens.add(openingParen);
+                parameterParens.add(closingParen);
+                offsets.setDesiredOffset(openingParen, sourceCode.getTokenBefore(openingParen), 0);
+
+                addElementListIndent([node.source], openingParen, closingParen, options.CallExpression.arguments);
+            },
+
+            "MemberExpression, JSXMemberExpression, MetaProperty"(node) {
+                const object = node.type === "MetaProperty" ? node.meta : node.object;
+                const firstNonObjectToken = sourceCode.getFirstTokenBetween(object, node.property, astUtils.isNotClosingParenToken);
+                const secondNonObjectToken = sourceCode.getTokenAfter(firstNonObjectToken);
+
+                const objectParenCount = sourceCode.getTokensBetween(object, node.property, { filter: astUtils.isClosingParenToken }).length;
+                const firstObjectToken = objectParenCount
+                    ? sourceCode.getTokenBefore(object, { skip: objectParenCount - 1 })
+                    : sourceCode.getFirstToken(object);
+                const lastObjectToken = sourceCode.getTokenBefore(firstNonObjectToken);
+                const firstPropertyToken = node.computed ? firstNonObjectToken : secondNonObjectToken;
+
+                if (node.computed) {
+
+                    // For computed MemberExpressions, match the closing bracket with the opening bracket.
+                    offsets.setDesiredOffset(sourceCode.getLastToken(node), firstNonObjectToken, 0);
+                    offsets.setDesiredOffsets(node.property.range, firstNonObjectToken, 1);
+                }
+
+                /*
+                 * If the object ends on the same line that the property starts, match against the last token
+                 * of the object, to ensure that the MemberExpression is not indented.
+                 *
+                 * Otherwise, match against the first token of the object, e.g.
+                 * foo
+                 *   .bar
+                 *   .baz // <-- offset by 1 from `foo`
+                 */
+                const offsetBase = lastObjectToken.loc.end.line === firstPropertyToken.loc.start.line
+                    ? lastObjectToken
+                    : firstObjectToken;
+
+                if (typeof options.MemberExpression === "number") {
+
+                    // Match the dot (for non-computed properties) or the opening bracket (for computed properties) against the object.
+                    offsets.setDesiredOffset(firstNonObjectToken, offsetBase, options.MemberExpression);
+
+                    /*
+                     * For computed MemberExpressions, match the first token of the property against the opening bracket.
+                     * Otherwise, match the first token of the property against the object.
+                     */
+                    offsets.setDesiredOffset(secondNonObjectToken, node.computed ? firstNonObjectToken : offsetBase, options.MemberExpression);
+                } else {
+
+                    // If the MemberExpression option is off, ignore the dot and the first token of the property.
+                    offsets.ignoreToken(firstNonObjectToken);
+                    offsets.ignoreToken(secondNonObjectToken);
+
+                    // To ignore the property indentation, ensure that the property tokens depend on the ignored tokens.
+                    offsets.setDesiredOffset(firstNonObjectToken, offsetBase, 0);
+                    offsets.setDesiredOffset(secondNonObjectToken, firstNonObjectToken, 0);
+                }
+            },
+
+            NewExpression(node) {
+
+                // Only indent the arguments if the NewExpression has parens (e.g. `new Foo(bar)` or `new Foo()`, but not `new Foo`
+                if (node.arguments.length > 0 ||
+                        astUtils.isClosingParenToken(sourceCode.getLastToken(node)) &&
+                        astUtils.isOpeningParenToken(sourceCode.getLastToken(node, 1))) {
+                    addFunctionCallIndent(node);
+                }
+            },
+
+            Property(node) {
+                if (!node.shorthand && !node.method && node.kind === "init") {
+                    const colon = sourceCode.getFirstTokenBetween(node.key, node.value, astUtils.isColonToken);
+
+                    offsets.ignoreToken(sourceCode.getTokenAfter(colon));
+                }
+            },
+
+            SwitchStatement(node) {
+                const openingCurly = sourceCode.getTokenAfter(node.discriminant, astUtils.isOpeningBraceToken);
+                const closingCurly = sourceCode.getLastToken(node);
+
+                offsets.setDesiredOffsets([openingCurly.range[1], closingCurly.range[0]], openingCurly, options.SwitchCase);
+
+                if (node.cases.length) {
+                    sourceCode.getTokensBetween(
+                        node.cases[node.cases.length - 1],
+                        closingCurly,
+                        { includeComments: true, filter: astUtils.isCommentToken }
+                    ).forEach(token => offsets.ignoreToken(token));
+                }
+            },
+
+            SwitchCase(node) {
+                if (!(node.consequent.length === 1 && node.consequent[0].type === "BlockStatement")) {
+                    const caseKeyword = sourceCode.getFirstToken(node);
+                    const tokenAfterCurrentCase = sourceCode.getTokenAfter(node);
+
+                    offsets.setDesiredOffsets([caseKeyword.range[1], tokenAfterCurrentCase.range[0]], caseKeyword, 1);
+                }
+            },
+
+            TemplateLiteral(node) {
+                node.expressions.forEach((expression, index) => {
+                    const previousQuasi = node.quasis[index];
+                    const nextQuasi = node.quasis[index + 1];
+                    const tokenToAlignFrom = previousQuasi.loc.start.line === previousQuasi.loc.end.line
+                        ? sourceCode.getFirstToken(previousQuasi)
+                        : null;
+
+                    offsets.setDesiredOffsets([previousQuasi.range[1], nextQuasi.range[0]], tokenToAlignFrom, 1);
+                    offsets.setDesiredOffset(sourceCode.getFirstToken(nextQuasi), tokenToAlignFrom, 0);
+                });
+            },
+
+            VariableDeclaration(node) {
+                let variableIndent = Object.prototype.hasOwnProperty.call(options.VariableDeclarator, node.kind)
+                    ? options.VariableDeclarator[node.kind]
+                    : DEFAULT_VARIABLE_INDENT;
+
+                const firstToken = sourceCode.getFirstToken(node),
+                    lastToken = sourceCode.getLastToken(node);
+
+                if (options.VariableDeclarator[node.kind] === "first") {
+                    if (node.declarations.length > 1) {
+                        addElementListIndent(
+                            node.declarations,
+                            firstToken,
+                            lastToken,
+                            "first"
+                        );
+                        return;
+                    }
+
+                    variableIndent = DEFAULT_VARIABLE_INDENT;
+                }
+
+                if (node.declarations[node.declarations.length - 1].loc.start.line > node.loc.start.line) {
+
+                    /*
+                     * VariableDeclarator indentation is a bit different from other forms of indentation, in that the
+                     * indentation of an opening bracket sometimes won't match that of a closing bracket. For example,
+                     * the following indentations are correct:
+                     *
+                     * var foo = {
+                     *   ok: true
+                     * };
+                     *
+                     * var foo = {
+                     *     ok: true,
+                     *   },
+                     *   bar = 1;
+                     *
+                     * Account for when exiting the AST (after indentations have already been set for the nodes in
+                     * the declaration) by manually increasing the indentation level of the tokens in this declarator
+                     * on the same line as the start of the declaration, provided that there are declarators that
+                     * follow this one.
+                     */
+                    offsets.setDesiredOffsets(node.range, firstToken, variableIndent, true);
+                } else {
+                    offsets.setDesiredOffsets(node.range, firstToken, variableIndent);
+                }
+
+                if (astUtils.isSemicolonToken(lastToken)) {
+                    offsets.ignoreToken(lastToken);
+                }
+            },
+
+            VariableDeclarator(node) {
+                if (node.init) {
+                    const equalOperator = sourceCode.getTokenBefore(node.init, astUtils.isNotOpeningParenToken);
+                    const tokenAfterOperator = sourceCode.getTokenAfter(equalOperator);
+
+                    offsets.ignoreToken(equalOperator);
+                    offsets.ignoreToken(tokenAfterOperator);
+                    offsets.setDesiredOffsets([tokenAfterOperator.range[0], node.range[1]], equalOperator, 1);
+                    offsets.setDesiredOffset(equalOperator, sourceCode.getLastToken(node.id), 0);
+                }
+            },
+
+            "JSXAttribute[value]"(node) {
+                const equalsToken = sourceCode.getFirstTokenBetween(node.name, node.value, token => token.type === "Punctuator" && token.value === "=");
+
+                offsets.setDesiredOffsets([equalsToken.range[0], node.value.range[1]], sourceCode.getFirstToken(node.name), 1);
+            },
+
+            JSXElement(node) {
+                if (node.closingElement) {
+                    addElementListIndent(node.children, sourceCode.getFirstToken(node.openingElement), sourceCode.getFirstToken(node.closingElement), 1);
+                }
+            },
+
+            JSXOpeningElement(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+                let closingToken;
+
+                if (node.selfClosing) {
+                    closingToken = sourceCode.getLastToken(node, { skip: 1 });
+                    offsets.setDesiredOffset(sourceCode.getLastToken(node), closingToken, 0);
+                } else {
+                    closingToken = sourceCode.getLastToken(node);
+                }
+                offsets.setDesiredOffsets(node.name.range, sourceCode.getFirstToken(node));
+                addElementListIndent(node.attributes, firstToken, closingToken, 1);
+            },
+
+            JSXClosingElement(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+
+                offsets.setDesiredOffsets(node.name.range, firstToken, 1);
+            },
+
+            JSXFragment(node) {
+                const firstOpeningToken = sourceCode.getFirstToken(node.openingFragment);
+                const firstClosingToken = sourceCode.getFirstToken(node.closingFragment);
+
+                addElementListIndent(node.children, firstOpeningToken, firstClosingToken, 1);
+            },
+
+            JSXOpeningFragment(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+                const closingToken = sourceCode.getLastToken(node);
+
+                offsets.setDesiredOffsets(node.range, firstToken, 1);
+                offsets.matchOffsetOf(firstToken, closingToken);
+            },
+
+            JSXClosingFragment(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+                const slashToken = sourceCode.getLastToken(node, { skip: 1 });
+                const closingToken = sourceCode.getLastToken(node);
+                const tokenToMatch = astUtils.isTokenOnSameLine(slashToken, closingToken) ? slashToken : closingToken;
+
+                offsets.setDesiredOffsets(node.range, firstToken, 1);
+                offsets.matchOffsetOf(firstToken, tokenToMatch);
+            },
+
+            JSXExpressionContainer(node) {
+                const openingCurly = sourceCode.getFirstToken(node);
+                const closingCurly = sourceCode.getLastToken(node);
+
+                offsets.setDesiredOffsets(
+                    [openingCurly.range[1], closingCurly.range[0]],
+                    openingCurly,
+                    1
+                );
+            },
+
+            JSXSpreadAttribute(node) {
+                const openingCurly = sourceCode.getFirstToken(node);
+                const closingCurly = sourceCode.getLastToken(node);
+
+                offsets.setDesiredOffsets(
+                    [openingCurly.range[1], closingCurly.range[0]],
+                    openingCurly,
+                    1
+                );
+            },
+
+            "*"(node) {
+                const firstToken = sourceCode.getFirstToken(node);
+
+                // Ensure that the children of every node are indented at least as much as the first token.
+                if (firstToken && !ignoredNodeFirstTokens.has(firstToken)) {
+                    offsets.setDesiredOffsets(node.range, firstToken, 0);
+                }
+            }
+        };
+
+        const listenerCallQueue = [];
+
+        /*
+         * To ignore the indentation of a node:
+         * 1. Don't call the node's listener when entering it (if it has a listener)
+         * 2. Don't set any offsets against the first token of the node.
+         * 3. Call `ignoreNode` on the node sometime after exiting it and before validating offsets.
+         */
+        const offsetListeners = lodash.mapValues(
+            baseOffsetListeners,
+
+            /*
+             * Offset listener calls are deferred until traversal is finished, and are called as
+             * part of the final `Program:exit` listener. This is necessary because a node might
+             * be matched by multiple selectors.
+             *
+             * Example: Suppose there is an offset listener for `Identifier`, and the user has
+             * specified in configuration that `MemberExpression > Identifier` should be ignored.
+             * Due to selector specificity rules, the `Identifier` listener will get called first. However,
+             * if a given Identifier node is supposed to be ignored, then the `Identifier` offset listener
+             * should not have been called at all. Without doing extra selector matching, we don't know
+             * whether the Identifier matches the `MemberExpression > Identifier` selector until the
+             * `MemberExpression > Identifier` listener is called.
+             *
+             * To avoid this, the `Identifier` listener isn't called until traversal finishes and all
+             * ignored nodes are known.
+             */
+            listener =>
+                node =>
+                    listenerCallQueue.push({ listener, node })
+        );
+
+        // For each ignored node selector, set up a listener to collect it into the `ignoredNodes` set.
+        const ignoredNodes = new Set();
+
+        /**
+         * Ignores a node
+         * @param {ASTNode} node The node to ignore
+         * @returns {void}
+         */
+        function addToIgnoredNodes(node) {
+            ignoredNodes.add(node);
+            ignoredNodeFirstTokens.add(sourceCode.getFirstToken(node));
+        }
+
+        const ignoredNodeListeners = options.ignoredNodes.reduce(
+            (listeners, ignoredSelector) => Object.assign(listeners, { [ignoredSelector]: addToIgnoredNodes }),
+            {}
+        );
+
+        /*
+         * Join the listeners, and add a listener to verify that all tokens actually have the correct indentation
+         * at the end.
+         *
+         * Using Object.assign will cause some offset listeners to be overwritten if the same selector also appears
+         * in `ignoredNodeListeners`. This isn't a problem because all of the matching nodes will be ignored,
+         * so those listeners wouldn't be called anyway.
+         */
+        return Object.assign(
+            offsetListeners,
+            ignoredNodeListeners,
+            {
+                "*:exit"(node) {
+
+                    // If a node's type is nonstandard, we can't tell how its children should be offset, so ignore it.
+                    if (!KNOWN_NODES.has(node.type)) {
+                        addToIgnoredNodes(node);
+                    }
+                },
+                "Program:exit"() {
+
+                    // If ignoreComments option is enabled, ignore all comment tokens.
+                    if (options.ignoreComments) {
+                        sourceCode.getAllComments()
+                            .forEach(comment => offsets.ignoreToken(comment));
+                    }
+
+                    // Invoke the queued offset listeners for the nodes that aren't ignored.
+                    listenerCallQueue
+                        .filter(nodeInfo => !ignoredNodes.has(nodeInfo.node))
+                        .forEach(nodeInfo => nodeInfo.listener(nodeInfo.node));
+
+                    // Update the offsets for ignored nodes to prevent their child tokens from being reported.
+                    ignoredNodes.forEach(ignoreNode);
+
+                    addParensIndent(sourceCode.ast.tokens);
+
+                    /*
+                     * Create a Map from (tokenOrComment) => (precedingToken).
+                     * This is necessary because sourceCode.getTokenBefore does not handle a comment as an argument correctly.
+                     */
+                    const precedingTokens = sourceCode.ast.comments.reduce((commentMap, comment) => {
+                        const tokenOrCommentBefore = sourceCode.getTokenBefore(comment, { includeComments: true });
+
+                        return commentMap.set(comment, commentMap.has(tokenOrCommentBefore) ? commentMap.get(tokenOrCommentBefore) : tokenOrCommentBefore);
+                    }, new WeakMap());
+
+                    sourceCode.lines.forEach((line, lineIndex) => {
+                        const lineNumber = lineIndex + 1;
+
+                        if (!tokenInfo.firstTokensByLineNumber.has(lineNumber)) {
+
+                            // Don't check indentation on blank lines
+                            return;
+                        }
+
+                        const firstTokenOfLine = tokenInfo.firstTokensByLineNumber.get(lineNumber);
+
+                        if (firstTokenOfLine.loc.start.line !== lineNumber) {
+
+                            // Don't check the indentation of multi-line tokens (e.g. template literals or block comments) twice.
+                            return;
+                        }
+
+                        if (astUtils.isCommentToken(firstTokenOfLine)) {
+                            const tokenBefore = precedingTokens.get(firstTokenOfLine);
+                            const tokenAfter = tokenBefore ? sourceCode.getTokenAfter(tokenBefore) : sourceCode.ast.tokens[0];
+                            const mayAlignWithBefore = tokenBefore && !hasBlankLinesBetween(tokenBefore, firstTokenOfLine);
+                            const mayAlignWithAfter = tokenAfter && !hasBlankLinesBetween(firstTokenOfLine, tokenAfter);
+
+                            /*
+                             * If a comment precedes a line that begins with a semicolon token, align to that token, i.e.
+                             *
+                             * let foo
+                             * // comment
+                             * ;(async () => {})()
+                             */
+                            if (tokenAfter && astUtils.isSemicolonToken(tokenAfter) && !astUtils.isTokenOnSameLine(firstTokenOfLine, tokenAfter)) {
+                                offsets.setDesiredOffset(firstTokenOfLine, tokenAfter, 0);
+                            }
+
+                            // If a comment matches the expected indentation of the token immediately before or after, don't report it.
+                            if (
+                                mayAlignWithBefore && validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(tokenBefore)) ||
+                                mayAlignWithAfter && validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(tokenAfter))
+                            ) {
+                                return;
+                            }
+                        }
+
+                        // If the token matches the expected indentation, don't report it.
+                        if (validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(firstTokenOfLine))) {
+                            return;
+                        }
+
+                        // Otherwise, report the token/comment.
+                        report(firstTokenOfLine, offsets.getDesiredIndent(firstTokenOfLine));
+                    });
+                }
+            }
+        );
+    }
+};
diff --git a/eslint/lib/rules/index.js b/eslint/lib/rules/index.js
new file mode 100644
index 0000000..7f563eb
--- /dev/null
+++ b/eslint/lib/rules/index.js
@@ -0,0 +1,293 @@
+/**
+ * @fileoverview Collects the built-in rules into a map structure so that they can be imported all at once and without
+ * using the file-system directly.
+ * @author Peter (Somogyvari) Metz
+ */
+
+"use strict";
+
+/* eslint sort-keys: ["error", "asc"] */
+
+const { LazyLoadingRuleMap } = require("./utils/lazy-loading-rule-map");
+
+/** @type {Map<string, import("../shared/types").Rule>} */
+module.exports = new LazyLoadingRuleMap(Object.entries({
+    "accessor-pairs": () => require("./accessor-pairs"),
+    "array-bracket-newline": () => require("./array-bracket-newline"),
+    "array-bracket-spacing": () => require("./array-bracket-spacing"),
+    "array-callback-return": () => require("./array-callback-return"),
+    "array-element-newline": () => require("./array-element-newline"),
+    "arrow-body-style": () => require("./arrow-body-style"),
+    "arrow-parens": () => require("./arrow-parens"),
+    "arrow-spacing": () => require("./arrow-spacing"),
+    "block-scoped-var": () => require("./block-scoped-var"),
+    "block-spacing": () => require("./block-spacing"),
+    "brace-style": () => require("./brace-style"),
+    "callback-return": () => require("./callback-return"),
+    camelcase: () => require("./camelcase"),
+    "capitalized-comments": () => require("./capitalized-comments"),
+    "class-methods-use-this": () => require("./class-methods-use-this"),
+    "comma-dangle": () => require("./comma-dangle"),
+    "comma-spacing": () => require("./comma-spacing"),
+    "comma-style": () => require("./comma-style"),
+    complexity: () => require("./complexity"),
+    "computed-property-spacing": () => require("./computed-property-spacing"),
+    "consistent-return": () => require("./consistent-return"),
+    "consistent-this": () => require("./consistent-this"),
+    "constructor-super": () => require("./constructor-super"),
+    curly: () => require("./curly"),
+    "default-case": () => require("./default-case"),
+    "default-case-last": () => require("./default-case-last"),
+    "default-param-last": () => require("./default-param-last"),
+    "dot-location": () => require("./dot-location"),
+    "dot-notation": () => require("./dot-notation"),
+    "eol-last": () => require("./eol-last"),
+    eqeqeq: () => require("./eqeqeq"),
+    "for-direction": () => require("./for-direction"),
+    "func-call-spacing": () => require("./func-call-spacing"),
+    "func-name-matching": () => require("./func-name-matching"),
+    "func-names": () => require("./func-names"),
+    "func-style": () => require("./func-style"),
+    "function-call-argument-newline": () => require("./function-call-argument-newline"),
+    "function-paren-newline": () => require("./function-paren-newline"),
+    "generator-star-spacing": () => require("./generator-star-spacing"),
+    "getter-return": () => require("./getter-return"),
+    "global-require": () => require("./global-require"),
+    "grouped-accessor-pairs": () => require("./grouped-accessor-pairs"),
+    "guard-for-in": () => require("./guard-for-in"),
+    "handle-callback-err": () => require("./handle-callback-err"),
+    "id-blacklist": () => require("./id-blacklist"),
+    "id-length": () => require("./id-length"),
+    "id-match": () => require("./id-match"),
+    "implicit-arrow-linebreak": () => require("./implicit-arrow-linebreak"),
+    indent: () => require("./indent"),
+    "indent-legacy": () => require("./indent-legacy"),
+    "init-declarations": () => require("./init-declarations"),
+    "jsx-quotes": () => require("./jsx-quotes"),
+    "key-spacing": () => require("./key-spacing"),
+    "keyword-spacing": () => require("./keyword-spacing"),
+    "line-comment-position": () => require("./line-comment-position"),
+    "linebreak-style": () => require("./linebreak-style"),
+    "lines-around-comment": () => require("./lines-around-comment"),
+    "lines-around-directive": () => require("./lines-around-directive"),
+    "lines-between-class-members": () => require("./lines-between-class-members"),
+    "max-classes-per-file": () => require("./max-classes-per-file"),
+    "max-depth": () => require("./max-depth"),
+    "max-len": () => require("./max-len"),
+    "max-lines": () => require("./max-lines"),
+    "max-lines-per-function": () => require("./max-lines-per-function"),
+    "max-nested-callbacks": () => require("./max-nested-callbacks"),
+    "max-params": () => require("./max-params"),
+    "max-statements": () => require("./max-statements"),
+    "max-statements-per-line": () => require("./max-statements-per-line"),
+    "multiline-comment-style": () => require("./multiline-comment-style"),
+    "multiline-ternary": () => require("./multiline-ternary"),
+    "new-cap": () => require("./new-cap"),
+    "new-parens": () => require("./new-parens"),
+    "newline-after-var": () => require("./newline-after-var"),
+    "newline-before-return": () => require("./newline-before-return"),
+    "newline-per-chained-call": () => require("./newline-per-chained-call"),
+    "no-alert": () => require("./no-alert"),
+    "no-array-constructor": () => require("./no-array-constructor"),
+    "no-async-promise-executor": () => require("./no-async-promise-executor"),
+    "no-await-in-loop": () => require("./no-await-in-loop"),
+    "no-bitwise": () => require("./no-bitwise"),
+    "no-buffer-constructor": () => require("./no-buffer-constructor"),
+    "no-caller": () => require("./no-caller"),
+    "no-case-declarations": () => require("./no-case-declarations"),
+    "no-catch-shadow": () => require("./no-catch-shadow"),
+    "no-class-assign": () => require("./no-class-assign"),
+    "no-compare-neg-zero": () => require("./no-compare-neg-zero"),
+    "no-cond-assign": () => require("./no-cond-assign"),
+    "no-confusing-arrow": () => require("./no-confusing-arrow"),
+    "no-console": () => require("./no-console"),
+    "no-const-assign": () => require("./no-const-assign"),
+    "no-constant-condition": () => require("./no-constant-condition"),
+    "no-constructor-return": () => require("./no-constructor-return"),
+    "no-continue": () => require("./no-continue"),
+    "no-control-regex": () => require("./no-control-regex"),
+    "no-debugger": () => require("./no-debugger"),
+    "no-delete-var": () => require("./no-delete-var"),
+    "no-div-regex": () => require("./no-div-regex"),
+    "no-dupe-args": () => require("./no-dupe-args"),
+    "no-dupe-class-members": () => require("./no-dupe-class-members"),
+    "no-dupe-else-if": () => require("./no-dupe-else-if"),
+    "no-dupe-keys": () => require("./no-dupe-keys"),
+    "no-duplicate-case": () => require("./no-duplicate-case"),
+    "no-duplicate-imports": () => require("./no-duplicate-imports"),
+    "no-else-return": () => require("./no-else-return"),
+    "no-empty": () => require("./no-empty"),
+    "no-empty-character-class": () => require("./no-empty-character-class"),
+    "no-empty-function": () => require("./no-empty-function"),
+    "no-empty-pattern": () => require("./no-empty-pattern"),
+    "no-eq-null": () => require("./no-eq-null"),
+    "no-eval": () => require("./no-eval"),
+    "no-ex-assign": () => require("./no-ex-assign"),
+    "no-extend-native": () => require("./no-extend-native"),
+    "no-extra-bind": () => require("./no-extra-bind"),
+    "no-extra-boolean-cast": () => require("./no-extra-boolean-cast"),
+    "no-extra-label": () => require("./no-extra-label"),
+    "no-extra-parens": () => require("./no-extra-parens"),
+    "no-extra-semi": () => require("./no-extra-semi"),
+    "no-fallthrough": () => require("./no-fallthrough"),
+    "no-floating-decimal": () => require("./no-floating-decimal"),
+    "no-func-assign": () => require("./no-func-assign"),
+    "no-global-assign": () => require("./no-global-assign"),
+    "no-implicit-coercion": () => require("./no-implicit-coercion"),
+    "no-implicit-globals": () => require("./no-implicit-globals"),
+    "no-implied-eval": () => require("./no-implied-eval"),
+    "no-import-assign": () => require("./no-import-assign"),
+    "no-inline-comments": () => require("./no-inline-comments"),
+    "no-inner-declarations": () => require("./no-inner-declarations"),
+    "no-invalid-regexp": () => require("./no-invalid-regexp"),
+    "no-invalid-this": () => require("./no-invalid-this"),
+    "no-irregular-whitespace": () => require("./no-irregular-whitespace"),
+    "no-iterator": () => require("./no-iterator"),
+    "no-label-var": () => require("./no-label-var"),
+    "no-labels": () => require("./no-labels"),
+    "no-lone-blocks": () => require("./no-lone-blocks"),
+    "no-lonely-if": () => require("./no-lonely-if"),
+    "no-loop-func": () => require("./no-loop-func"),
+    "no-magic-numbers": () => require("./no-magic-numbers"),
+    "no-misleading-character-class": () => require("./no-misleading-character-class"),
+    "no-mixed-operators": () => require("./no-mixed-operators"),
+    "no-mixed-requires": () => require("./no-mixed-requires"),
+    "no-mixed-spaces-and-tabs": () => require("./no-mixed-spaces-and-tabs"),
+    "no-multi-assign": () => require("./no-multi-assign"),
+    "no-multi-spaces": () => require("./no-multi-spaces"),
+    "no-multi-str": () => require("./no-multi-str"),
+    "no-multiple-empty-lines": () => require("./no-multiple-empty-lines"),
+    "no-native-reassign": () => require("./no-native-reassign"),
+    "no-negated-condition": () => require("./no-negated-condition"),
+    "no-negated-in-lhs": () => require("./no-negated-in-lhs"),
+    "no-nested-ternary": () => require("./no-nested-ternary"),
+    "no-new": () => require("./no-new"),
+    "no-new-func": () => require("./no-new-func"),
+    "no-new-object": () => require("./no-new-object"),
+    "no-new-require": () => require("./no-new-require"),
+    "no-new-symbol": () => require("./no-new-symbol"),
+    "no-new-wrappers": () => require("./no-new-wrappers"),
+    "no-obj-calls": () => require("./no-obj-calls"),
+    "no-octal": () => require("./no-octal"),
+    "no-octal-escape": () => require("./no-octal-escape"),
+    "no-param-reassign": () => require("./no-param-reassign"),
+    "no-path-concat": () => require("./no-path-concat"),
+    "no-plusplus": () => require("./no-plusplus"),
+    "no-process-env": () => require("./no-process-env"),
+    "no-process-exit": () => require("./no-process-exit"),
+    "no-proto": () => require("./no-proto"),
+    "no-prototype-builtins": () => require("./no-prototype-builtins"),
+    "no-redeclare": () => require("./no-redeclare"),
+    "no-regex-spaces": () => require("./no-regex-spaces"),
+    "no-restricted-exports": () => require("./no-restricted-exports"),
+    "no-restricted-globals": () => require("./no-restricted-globals"),
+    "no-restricted-imports": () => require("./no-restricted-imports"),
+    "no-restricted-modules": () => require("./no-restricted-modules"),
+    "no-restricted-properties": () => require("./no-restricted-properties"),
+    "no-restricted-syntax": () => require("./no-restricted-syntax"),
+    "no-return-assign": () => require("./no-return-assign"),
+    "no-return-await": () => require("./no-return-await"),
+    "no-script-url": () => require("./no-script-url"),
+    "no-self-assign": () => require("./no-self-assign"),
+    "no-self-compare": () => require("./no-self-compare"),
+    "no-sequences": () => require("./no-sequences"),
+    "no-setter-return": () => require("./no-setter-return"),
+    "no-shadow": () => require("./no-shadow"),
+    "no-shadow-restricted-names": () => require("./no-shadow-restricted-names"),
+    "no-spaced-func": () => require("./no-spaced-func"),
+    "no-sparse-arrays": () => require("./no-sparse-arrays"),
+    "no-sync": () => require("./no-sync"),
+    "no-tabs": () => require("./no-tabs"),
+    "no-template-curly-in-string": () => require("./no-template-curly-in-string"),
+    "no-ternary": () => require("./no-ternary"),
+    "no-this-before-super": () => require("./no-this-before-super"),
+    "no-throw-literal": () => require("./no-throw-literal"),
+    "no-trailing-spaces": () => require("./no-trailing-spaces"),
+    "no-undef": () => require("./no-undef"),
+    "no-undef-init": () => require("./no-undef-init"),
+    "no-undefined": () => require("./no-undefined"),
+    "no-underscore-dangle": () => require("./no-underscore-dangle"),
+    "no-unexpected-multiline": () => require("./no-unexpected-multiline"),
+    "no-unmodified-loop-condition": () => require("./no-unmodified-loop-condition"),
+    "no-unneeded-ternary": () => require("./no-unneeded-ternary"),
+    "no-unreachable": () => require("./no-unreachable"),
+    "no-unsafe-finally": () => require("./no-unsafe-finally"),
+    "no-unsafe-negation": () => require("./no-unsafe-negation"),
+    "no-unused-expressions": () => require("./no-unused-expressions"),
+    "no-unused-labels": () => require("./no-unused-labels"),
+    "no-unused-vars": () => require("./no-unused-vars"),
+    "no-use-before-define": () => require("./no-use-before-define"),
+    "no-useless-backreference": () => require("./no-useless-backreference"),
+    "no-useless-call": () => require("./no-useless-call"),
+    "no-useless-catch": () => require("./no-useless-catch"),
+    "no-useless-computed-key": () => require("./no-useless-computed-key"),
+    "no-useless-concat": () => require("./no-useless-concat"),
+    "no-useless-constructor": () => require("./no-useless-constructor"),
+    "no-useless-escape": () => require("./no-useless-escape"),
+    "no-useless-rename": () => require("./no-useless-rename"),
+    "no-useless-return": () => require("./no-useless-return"),
+    "no-var": () => require("./no-var"),
+    "no-void": () => require("./no-void"),
+    "no-warning-comments": () => require("./no-warning-comments"),
+    "no-whitespace-before-property": () => require("./no-whitespace-before-property"),
+    "no-with": () => require("./no-with"),
+    "nonblock-statement-body-position": () => require("./nonblock-statement-body-position"),
+    "object-curly-newline": () => require("./object-curly-newline"),
+    "object-curly-spacing": () => require("./object-curly-spacing"),
+    "object-property-newline": () => require("./object-property-newline"),
+    "object-shorthand": () => require("./object-shorthand"),
+    "one-var": () => require("./one-var"),
+    "one-var-declaration-per-line": () => require("./one-var-declaration-per-line"),
+    "operator-assignment": () => require("./operator-assignment"),
+    "operator-linebreak": () => require("./operator-linebreak"),
+    "padded-blocks": () => require("./padded-blocks"),
+    "padding-line-between-statements": () => require("./padding-line-between-statements"),
+    "prefer-arrow-callback": () => require("./prefer-arrow-callback"),
+    "prefer-const": () => require("./prefer-const"),
+    "prefer-destructuring": () => require("./prefer-destructuring"),
+    "prefer-exponentiation-operator": () => require("./prefer-exponentiation-operator"),
+    "prefer-named-capture-group": () => require("./prefer-named-capture-group"),
+    "prefer-numeric-literals": () => require("./prefer-numeric-literals"),
+    "prefer-object-spread": () => require("./prefer-object-spread"),
+    "prefer-promise-reject-errors": () => require("./prefer-promise-reject-errors"),
+    "prefer-reflect": () => require("./prefer-reflect"),
+    "prefer-regex-literals": () => require("./prefer-regex-literals"),
+    "prefer-rest-params": () => require("./prefer-rest-params"),
+    "prefer-spread": () => require("./prefer-spread"),
+    "prefer-template": () => require("./prefer-template"),
+    "quote-props": () => require("./quote-props"),
+    quotes: () => require("./quotes"),
+    radix: () => require("./radix"),
+    "require-atomic-updates": () => require("./require-atomic-updates"),
+    "require-await": () => require("./require-await"),
+    "require-jsdoc": () => require("./require-jsdoc"),
+    "require-unicode-regexp": () => require("./require-unicode-regexp"),
+    "require-yield": () => require("./require-yield"),
+    "rest-spread-spacing": () => require("./rest-spread-spacing"),
+    semi: () => require("./semi"),
+    "semi-spacing": () => require("./semi-spacing"),
+    "semi-style": () => require("./semi-style"),
+    "sort-imports": () => require("./sort-imports"),
+    "sort-keys": () => require("./sort-keys"),
+    "sort-vars": () => require("./sort-vars"),
+    "space-before-blocks": () => require("./space-before-blocks"),
+    "space-before-function-paren": () => require("./space-before-function-paren"),
+    "space-in-parens": () => require("./space-in-parens"),
+    "space-infix-ops": () => require("./space-infix-ops"),
+    "space-unary-ops": () => require("./space-unary-ops"),
+    "spaced-comment": () => require("./spaced-comment"),
+    strict: () => require("./strict"),
+    "switch-colon-spacing": () => require("./switch-colon-spacing"),
+    "symbol-description": () => require("./symbol-description"),
+    "template-curly-spacing": () => require("./template-curly-spacing"),
+    "template-tag-spacing": () => require("./template-tag-spacing"),
+    "unicode-bom": () => require("./unicode-bom"),
+    "use-isnan": () => require("./use-isnan"),
+    "valid-jsdoc": () => require("./valid-jsdoc"),
+    "valid-typeof": () => require("./valid-typeof"),
+    "vars-on-top": () => require("./vars-on-top"),
+    "wrap-iife": () => require("./wrap-iife"),
+    "wrap-regex": () => require("./wrap-regex"),
+    "yield-star-spacing": () => require("./yield-star-spacing"),
+    yoda: () => require("./yoda")
+}));
diff --git a/eslint/lib/rules/init-declarations.js b/eslint/lib/rules/init-declarations.js
new file mode 100644
index 0000000..6cfdf92
--- /dev/null
+++ b/eslint/lib/rules/init-declarations.js
@@ -0,0 +1,139 @@
+/**
+ * @fileoverview A rule to control the style of variable initializations.
+ * @author Colin Ihrig
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a for loop.
+ * @param {ASTNode} block A node to check.
+ * @returns {boolean} `true` when the node is a for loop.
+ */
+function isForLoop(block) {
+    return block.type === "ForInStatement" ||
+    block.type === "ForOfStatement" ||
+    block.type === "ForStatement";
+}
+
+/**
+ * Checks whether or not a given declarator node has its initializer.
+ * @param {ASTNode} node A declarator node to check.
+ * @returns {boolean} `true` when the node has its initializer.
+ */
+function isInitialized(node) {
+    const declaration = node.parent;
+    const block = declaration.parent;
+
+    if (isForLoop(block)) {
+        if (block.type === "ForStatement") {
+            return block.init === declaration;
+        }
+        return block.left === declaration;
+    }
+    return Boolean(node.init);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow initialization in variable declarations",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/init-declarations"
+        },
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["never"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                ignoreForLoopInit: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+        messages: {
+            initialized: "Variable '{{idName}}' should be initialized on declaration.",
+            notInitialized: "Variable '{{idName}}' should not be initialized on declaration."
+        }
+    },
+
+    create(context) {
+
+        const MODE_ALWAYS = "always",
+            MODE_NEVER = "never";
+
+        const mode = context.options[0] || MODE_ALWAYS;
+        const params = context.options[1] || {};
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            "VariableDeclaration:exit"(node) {
+
+                const kind = node.kind,
+                    declarations = node.declarations;
+
+                for (let i = 0; i < declarations.length; ++i) {
+                    const declaration = declarations[i],
+                        id = declaration.id,
+                        initialized = isInitialized(declaration),
+                        isIgnoredForLoop = params.ignoreForLoopInit && isForLoop(node.parent);
+                    let messageId = "";
+
+                    if (mode === MODE_ALWAYS && !initialized) {
+                        messageId = "initialized";
+                    } else if (mode === MODE_NEVER && kind !== "const" && initialized && !isIgnoredForLoop) {
+                        messageId = "notInitialized";
+                    }
+
+                    if (id.type === "Identifier" && messageId) {
+                        context.report({
+                            node: declaration,
+                            messageId,
+                            data: {
+                                idName: id.name
+                            }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/jsx-quotes.js b/eslint/lib/rules/jsx-quotes.js
new file mode 100644
index 0000000..3b282df
--- /dev/null
+++ b/eslint/lib/rules/jsx-quotes.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview A rule to ensure consistent quotes used in jsx syntax.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const QUOTE_SETTINGS = {
+    "prefer-double": {
+        quote: "\"",
+        description: "singlequote",
+        convert(str) {
+            return str.replace(/'/gu, "\"");
+        }
+    },
+    "prefer-single": {
+        quote: "'",
+        description: "doublequote",
+        convert(str) {
+            return str.replace(/"/gu, "'");
+        }
+    }
+};
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce the consistent use of either double or single quotes in JSX attributes",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/jsx-quotes"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["prefer-single", "prefer-double"]
+            }
+        ],
+        messages: {
+            unexpected: "Unexpected usage of {{description}}."
+        }
+    },
+
+    create(context) {
+        const quoteOption = context.options[0] || "prefer-double",
+            setting = QUOTE_SETTINGS[quoteOption];
+
+        /**
+         * Checks if the given string literal node uses the expected quotes
+         * @param {ASTNode} node A string literal node.
+         * @returns {boolean} Whether or not the string literal used the expected quotes.
+         * @public
+         */
+        function usesExpectedQuotes(node) {
+            return node.value.indexOf(setting.quote) !== -1 || astUtils.isSurroundedBy(node.raw, setting.quote);
+        }
+
+        return {
+            JSXAttribute(node) {
+                const attributeValue = node.value;
+
+                if (attributeValue && astUtils.isStringLiteral(attributeValue) && !usesExpectedQuotes(attributeValue)) {
+                    context.report({
+                        node: attributeValue,
+                        messageId: "unexpected",
+                        data: {
+                            description: setting.description
+                        },
+                        fix(fixer) {
+                            return fixer.replaceText(attributeValue, setting.convert(attributeValue.raw));
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/key-spacing.js b/eslint/lib/rules/key-spacing.js
new file mode 100644
index 0000000..c405043
--- /dev/null
+++ b/eslint/lib/rules/key-spacing.js
@@ -0,0 +1,670 @@
+/**
+ * @fileoverview Rule to specify spacing of object literal keys and values
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a string contains a line terminator as defined in
+ * http://www.ecma-international.org/ecma-262/5.1/#sec-7.3
+ * @param {string} str String to test.
+ * @returns {boolean} True if str contains a line terminator.
+ */
+function containsLineTerminator(str) {
+    return astUtils.LINEBREAK_MATCHER.test(str);
+}
+
+/**
+ * Gets the last element of an array.
+ * @param {Array} arr An array.
+ * @returns {any} Last element of arr.
+ */
+function last(arr) {
+    return arr[arr.length - 1];
+}
+
+/**
+ * Checks whether a node is contained on a single line.
+ * @param {ASTNode} node AST Node being evaluated.
+ * @returns {boolean} True if the node is a single line.
+ */
+function isSingleLine(node) {
+    return (node.loc.end.line === node.loc.start.line);
+}
+
+/**
+ * Checks whether the properties on a single line.
+ * @param {ASTNode[]} properties List of Property AST nodes.
+ * @returns {boolean} True if all properies is on a single line.
+ */
+function isSingleLineProperties(properties) {
+    const [firstProp] = properties,
+        lastProp = last(properties);
+
+    return firstProp.loc.start.line === lastProp.loc.end.line;
+}
+
+/**
+ * Initializes a single option property from the configuration with defaults for undefined values
+ * @param {Object} toOptions Object to be initialized
+ * @param {Object} fromOptions Object to be initialized from
+ * @returns {Object} The object with correctly initialized options and values
+ */
+function initOptionProperty(toOptions, fromOptions) {
+    toOptions.mode = fromOptions.mode || "strict";
+
+    // Set value of beforeColon
+    if (typeof fromOptions.beforeColon !== "undefined") {
+        toOptions.beforeColon = +fromOptions.beforeColon;
+    } else {
+        toOptions.beforeColon = 0;
+    }
+
+    // Set value of afterColon
+    if (typeof fromOptions.afterColon !== "undefined") {
+        toOptions.afterColon = +fromOptions.afterColon;
+    } else {
+        toOptions.afterColon = 1;
+    }
+
+    // Set align if exists
+    if (typeof fromOptions.align !== "undefined") {
+        if (typeof fromOptions.align === "object") {
+            toOptions.align = fromOptions.align;
+        } else { // "string"
+            toOptions.align = {
+                on: fromOptions.align,
+                mode: toOptions.mode,
+                beforeColon: toOptions.beforeColon,
+                afterColon: toOptions.afterColon
+            };
+        }
+    }
+
+    return toOptions;
+}
+
+/**
+ * Initializes all the option values (singleLine, multiLine and align) from the configuration with defaults for undefined values
+ * @param {Object} toOptions Object to be initialized
+ * @param {Object} fromOptions Object to be initialized from
+ * @returns {Object} The object with correctly initialized options and values
+ */
+function initOptions(toOptions, fromOptions) {
+    if (typeof fromOptions.align === "object") {
+
+        // Initialize the alignment configuration
+        toOptions.align = initOptionProperty({}, fromOptions.align);
+        toOptions.align.on = fromOptions.align.on || "colon";
+        toOptions.align.mode = fromOptions.align.mode || "strict";
+
+        toOptions.multiLine = initOptionProperty({}, (fromOptions.multiLine || fromOptions));
+        toOptions.singleLine = initOptionProperty({}, (fromOptions.singleLine || fromOptions));
+
+    } else { // string or undefined
+        toOptions.multiLine = initOptionProperty({}, (fromOptions.multiLine || fromOptions));
+        toOptions.singleLine = initOptionProperty({}, (fromOptions.singleLine || fromOptions));
+
+        // If alignment options are defined in multiLine, pull them out into the general align configuration
+        if (toOptions.multiLine.align) {
+            toOptions.align = {
+                on: toOptions.multiLine.align.on,
+                mode: toOptions.multiLine.align.mode || toOptions.multiLine.mode,
+                beforeColon: toOptions.multiLine.align.beforeColon,
+                afterColon: toOptions.multiLine.align.afterColon
+            };
+        }
+    }
+
+    return toOptions;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing between keys and values in object literal properties",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/key-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [{
+            anyOf: [
+                {
+                    type: "object",
+                    properties: {
+                        align: {
+                            anyOf: [
+                                {
+                                    enum: ["colon", "value"]
+                                },
+                                {
+                                    type: "object",
+                                    properties: {
+                                        mode: {
+                                            enum: ["strict", "minimum"]
+                                        },
+                                        on: {
+                                            enum: ["colon", "value"]
+                                        },
+                                        beforeColon: {
+                                            type: "boolean"
+                                        },
+                                        afterColon: {
+                                            type: "boolean"
+                                        }
+                                    },
+                                    additionalProperties: false
+                                }
+                            ]
+                        },
+                        mode: {
+                            enum: ["strict", "minimum"]
+                        },
+                        beforeColon: {
+                            type: "boolean"
+                        },
+                        afterColon: {
+                            type: "boolean"
+                        }
+                    },
+                    additionalProperties: false
+                },
+                {
+                    type: "object",
+                    properties: {
+                        singleLine: {
+                            type: "object",
+                            properties: {
+                                mode: {
+                                    enum: ["strict", "minimum"]
+                                },
+                                beforeColon: {
+                                    type: "boolean"
+                                },
+                                afterColon: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        },
+                        multiLine: {
+                            type: "object",
+                            properties: {
+                                align: {
+                                    anyOf: [
+                                        {
+                                            enum: ["colon", "value"]
+                                        },
+                                        {
+                                            type: "object",
+                                            properties: {
+                                                mode: {
+                                                    enum: ["strict", "minimum"]
+                                                },
+                                                on: {
+                                                    enum: ["colon", "value"]
+                                                },
+                                                beforeColon: {
+                                                    type: "boolean"
+                                                },
+                                                afterColon: {
+                                                    type: "boolean"
+                                                }
+                                            },
+                                            additionalProperties: false
+                                        }
+                                    ]
+                                },
+                                mode: {
+                                    enum: ["strict", "minimum"]
+                                },
+                                beforeColon: {
+                                    type: "boolean"
+                                },
+                                afterColon: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    },
+                    additionalProperties: false
+                },
+                {
+                    type: "object",
+                    properties: {
+                        singleLine: {
+                            type: "object",
+                            properties: {
+                                mode: {
+                                    enum: ["strict", "minimum"]
+                                },
+                                beforeColon: {
+                                    type: "boolean"
+                                },
+                                afterColon: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        },
+                        multiLine: {
+                            type: "object",
+                            properties: {
+                                mode: {
+                                    enum: ["strict", "minimum"]
+                                },
+                                beforeColon: {
+                                    type: "boolean"
+                                },
+                                afterColon: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        },
+                        align: {
+                            type: "object",
+                            properties: {
+                                mode: {
+                                    enum: ["strict", "minimum"]
+                                },
+                                on: {
+                                    enum: ["colon", "value"]
+                                },
+                                beforeColon: {
+                                    type: "boolean"
+                                },
+                                afterColon: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    },
+                    additionalProperties: false
+                }
+            ]
+        }],
+        messages: {
+            extraKey: "Extra space after {{computed}}key '{{key}}'.",
+            extraValue: "Extra space before value for {{computed}}key '{{key}}'.",
+            missingKey: "Missing space after {{computed}}key '{{key}}'.",
+            missingValue: "Missing space before value for {{computed}}key '{{key}}'."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * OPTIONS
+         * "key-spacing": [2, {
+         *     beforeColon: false,
+         *     afterColon: true,
+         *     align: "colon" // Optional, or "value"
+         * }
+         */
+        const options = context.options[0] || {},
+            ruleOptions = initOptions({}, options),
+            multiLineOptions = ruleOptions.multiLine,
+            singleLineOptions = ruleOptions.singleLine,
+            alignmentOptions = ruleOptions.align || null;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Checks whether a property is a member of the property group it follows.
+         * @param {ASTNode} lastMember The last Property known to be in the group.
+         * @param {ASTNode} candidate The next Property that might be in the group.
+         * @returns {boolean} True if the candidate property is part of the group.
+         */
+        function continuesPropertyGroup(lastMember, candidate) {
+            const groupEndLine = lastMember.loc.start.line,
+                candidateStartLine = candidate.loc.start.line;
+
+            if (candidateStartLine - groupEndLine <= 1) {
+                return true;
+            }
+
+            /*
+             * Check that the first comment is adjacent to the end of the group, the
+             * last comment is adjacent to the candidate property, and that successive
+             * comments are adjacent to each other.
+             */
+            const leadingComments = sourceCode.getCommentsBefore(candidate);
+
+            if (
+                leadingComments.length &&
+                leadingComments[0].loc.start.line - groupEndLine <= 1 &&
+                candidateStartLine - last(leadingComments).loc.end.line <= 1
+            ) {
+                for (let i = 1; i < leadingComments.length; i++) {
+                    if (leadingComments[i].loc.start.line - leadingComments[i - 1].loc.end.line > 1) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+
+            return false;
+        }
+
+        /**
+         * Determines if the given property is key-value property.
+         * @param {ASTNode} property Property node to check.
+         * @returns {boolean} Whether the property is a key-value property.
+         */
+        function isKeyValueProperty(property) {
+            return !(
+                (property.method ||
+                property.shorthand ||
+                property.kind !== "init" || property.type !== "Property") // Could be "ExperimentalSpreadProperty" or "SpreadElement"
+            );
+        }
+
+        /**
+         * Starting from the given a node (a property.key node here) looks forward
+         * until it finds the last token before a colon punctuator and returns it.
+         * @param {ASTNode} node The node to start looking from.
+         * @returns {ASTNode} The last token before a colon punctuator.
+         */
+        function getLastTokenBeforeColon(node) {
+            const colonToken = sourceCode.getTokenAfter(node, astUtils.isColonToken);
+
+            return sourceCode.getTokenBefore(colonToken);
+        }
+
+        /**
+         * Starting from the given a node (a property.key node here) looks forward
+         * until it finds the colon punctuator and returns it.
+         * @param {ASTNode} node The node to start looking from.
+         * @returns {ASTNode} The colon punctuator.
+         */
+        function getNextColon(node) {
+            return sourceCode.getTokenAfter(node, astUtils.isColonToken);
+        }
+
+        /**
+         * Gets an object literal property's key as the identifier name or string value.
+         * @param {ASTNode} property Property node whose key to retrieve.
+         * @returns {string} The property's key.
+         */
+        function getKey(property) {
+            const key = property.key;
+
+            if (property.computed) {
+                return sourceCode.getText().slice(key.range[0], key.range[1]);
+            }
+            return astUtils.getStaticPropertyName(property);
+        }
+
+        /**
+         * Reports an appropriately-formatted error if spacing is incorrect on one
+         * side of the colon.
+         * @param {ASTNode} property Key-value pair in an object literal.
+         * @param {string} side Side being verified - either "key" or "value".
+         * @param {string} whitespace Actual whitespace string.
+         * @param {int} expected Expected whitespace length.
+         * @param {string} mode Value of the mode as "strict" or "minimum"
+         * @returns {void}
+         */
+        function report(property, side, whitespace, expected, mode) {
+            const diff = whitespace.length - expected,
+                nextColon = getNextColon(property.key),
+                tokenBeforeColon = sourceCode.getTokenBefore(nextColon, { includeComments: true }),
+                tokenAfterColon = sourceCode.getTokenAfter(nextColon, { includeComments: true }),
+                isKeySide = side === "key",
+                locStart = isKeySide ? tokenBeforeColon.loc.start : tokenAfterColon.loc.start,
+                isExtra = diff > 0,
+                diffAbs = Math.abs(diff),
+                spaces = Array(diffAbs + 1).join(" ");
+
+            if ((
+                diff && mode === "strict" ||
+                diff < 0 && mode === "minimum" ||
+                diff > 0 && !expected && mode === "minimum") &&
+                !(expected && containsLineTerminator(whitespace))
+            ) {
+                let fix;
+
+                if (isExtra) {
+                    let range;
+
+                    // Remove whitespace
+                    if (isKeySide) {
+                        range = [tokenBeforeColon.range[1], tokenBeforeColon.range[1] + diffAbs];
+                    } else {
+                        range = [tokenAfterColon.range[0] - diffAbs, tokenAfterColon.range[0]];
+                    }
+                    fix = function(fixer) {
+                        return fixer.removeRange(range);
+                    };
+                } else {
+
+                    // Add whitespace
+                    if (isKeySide) {
+                        fix = function(fixer) {
+                            return fixer.insertTextAfter(tokenBeforeColon, spaces);
+                        };
+                    } else {
+                        fix = function(fixer) {
+                            return fixer.insertTextBefore(tokenAfterColon, spaces);
+                        };
+                    }
+                }
+
+                let messageId = "";
+
+                if (isExtra) {
+                    messageId = side === "key" ? "extraKey" : "extraValue";
+                } else {
+                    messageId = side === "key" ? "missingKey" : "missingValue";
+                }
+
+                context.report({
+                    node: property[side],
+                    loc: locStart,
+                    messageId,
+                    data: {
+                        computed: property.computed ? "computed " : "",
+                        key: getKey(property)
+                    },
+                    fix
+                });
+            }
+        }
+
+        /**
+         * Gets the number of characters in a key, including quotes around string
+         * keys and braces around computed property keys.
+         * @param {ASTNode} property Property of on object literal.
+         * @returns {int} Width of the key.
+         */
+        function getKeyWidth(property) {
+            const startToken = sourceCode.getFirstToken(property);
+            const endToken = getLastTokenBeforeColon(property.key);
+
+            return endToken.range[1] - startToken.range[0];
+        }
+
+        /**
+         * Gets the whitespace around the colon in an object literal property.
+         * @param {ASTNode} property Property node from an object literal.
+         * @returns {Object} Whitespace before and after the property's colon.
+         */
+        function getPropertyWhitespace(property) {
+            const whitespace = /(\s*):(\s*)/u.exec(sourceCode.getText().slice(
+                property.key.range[1], property.value.range[0]
+            ));
+
+            if (whitespace) {
+                return {
+                    beforeColon: whitespace[1],
+                    afterColon: whitespace[2]
+                };
+            }
+            return null;
+        }
+
+        /**
+         * Creates groups of properties.
+         * @param  {ASTNode} node ObjectExpression node being evaluated.
+         * @returns {Array.<ASTNode[]>} Groups of property AST node lists.
+         */
+        function createGroups(node) {
+            if (node.properties.length === 1) {
+                return [node.properties];
+            }
+
+            return node.properties.reduce((groups, property) => {
+                const currentGroup = last(groups),
+                    prev = last(currentGroup);
+
+                if (!prev || continuesPropertyGroup(prev, property)) {
+                    currentGroup.push(property);
+                } else {
+                    groups.push([property]);
+                }
+
+                return groups;
+            }, [
+                []
+            ]);
+        }
+
+        /**
+         * Verifies correct vertical alignment of a group of properties.
+         * @param {ASTNode[]} properties List of Property AST nodes.
+         * @returns {void}
+         */
+        function verifyGroupAlignment(properties) {
+            const length = properties.length,
+                widths = properties.map(getKeyWidth), // Width of keys, including quotes
+                align = alignmentOptions.on; // "value" or "colon"
+            let targetWidth = Math.max(...widths),
+                beforeColon, afterColon, mode;
+
+            if (alignmentOptions && length > 1) { // When aligning values within a group, use the alignment configuration.
+                beforeColon = alignmentOptions.beforeColon;
+                afterColon = alignmentOptions.afterColon;
+                mode = alignmentOptions.mode;
+            } else {
+                beforeColon = multiLineOptions.beforeColon;
+                afterColon = multiLineOptions.afterColon;
+                mode = alignmentOptions.mode;
+            }
+
+            // Conditionally include one space before or after colon
+            targetWidth += (align === "colon" ? beforeColon : afterColon);
+
+            for (let i = 0; i < length; i++) {
+                const property = properties[i];
+                const whitespace = getPropertyWhitespace(property);
+
+                if (whitespace) { // Object literal getters/setters lack a colon
+                    const width = widths[i];
+
+                    if (align === "value") {
+                        report(property, "key", whitespace.beforeColon, beforeColon, mode);
+                        report(property, "value", whitespace.afterColon, targetWidth - width, mode);
+                    } else { // align = "colon"
+                        report(property, "key", whitespace.beforeColon, targetWidth - width, mode);
+                        report(property, "value", whitespace.afterColon, afterColon, mode);
+                    }
+                }
+            }
+        }
+
+        /**
+         * Verifies spacing of property conforms to specified options.
+         * @param  {ASTNode} node Property node being evaluated.
+         * @param {Object} lineOptions Configured singleLine or multiLine options
+         * @returns {void}
+         */
+        function verifySpacing(node, lineOptions) {
+            const actual = getPropertyWhitespace(node);
+
+            if (actual) { // Object literal getters/setters lack colons
+                report(node, "key", actual.beforeColon, lineOptions.beforeColon, lineOptions.mode);
+                report(node, "value", actual.afterColon, lineOptions.afterColon, lineOptions.mode);
+            }
+        }
+
+        /**
+         * Verifies spacing of each property in a list.
+         * @param {ASTNode[]} properties List of Property AST nodes.
+         * @param {Object} lineOptions Configured singleLine or multiLine options
+         * @returns {void}
+         */
+        function verifyListSpacing(properties, lineOptions) {
+            const length = properties.length;
+
+            for (let i = 0; i < length; i++) {
+                verifySpacing(properties[i], lineOptions);
+            }
+        }
+
+        /**
+         * Verifies vertical alignment, taking into account groups of properties.
+         * @param  {ASTNode} node ObjectExpression node being evaluated.
+         * @returns {void}
+         */
+        function verifyAlignment(node) {
+            createGroups(node).forEach(group => {
+                const properties = group.filter(isKeyValueProperty);
+
+                if (properties.length > 0 && isSingleLineProperties(properties)) {
+                    verifyListSpacing(properties, multiLineOptions);
+                } else {
+                    verifyGroupAlignment(properties);
+                }
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        if (alignmentOptions) { // Verify vertical alignment
+
+            return {
+                ObjectExpression(node) {
+                    if (isSingleLine(node)) {
+                        verifyListSpacing(node.properties.filter(isKeyValueProperty), singleLineOptions);
+                    } else {
+                        verifyAlignment(node);
+                    }
+                }
+            };
+
+        }
+
+        // Obey beforeColon and afterColon in each property as configured
+        return {
+            Property(node) {
+                verifySpacing(node, isSingleLine(node.parent) ? singleLineOptions : multiLineOptions);
+            }
+        };
+
+
+    }
+};
diff --git a/eslint/lib/rules/keyword-spacing.js b/eslint/lib/rules/keyword-spacing.js
new file mode 100644
index 0000000..2b3fef3
--- /dev/null
+++ b/eslint/lib/rules/keyword-spacing.js
@@ -0,0 +1,566 @@
+/**
+ * @fileoverview Rule to enforce spacing before and after keywords.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils"),
+    keywords = require("./utils/keywords");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const PREV_TOKEN = /^[)\]}>]$/u;
+const NEXT_TOKEN = /^(?:[([{<~!]|\+\+?|--?)$/u;
+const PREV_TOKEN_M = /^[)\]}>*]$/u;
+const NEXT_TOKEN_M = /^[{*]$/u;
+const TEMPLATE_OPEN_PAREN = /\$\{$/u;
+const TEMPLATE_CLOSE_PAREN = /^\}/u;
+const CHECK_TYPE = /^(?:JSXElement|RegularExpression|String|Template)$/u;
+const KEYS = keywords.concat(["as", "async", "await", "from", "get", "let", "of", "set", "yield"]);
+
+// check duplications.
+(function() {
+    KEYS.sort();
+    for (let i = 1; i < KEYS.length; ++i) {
+        if (KEYS[i] === KEYS[i - 1]) {
+            throw new Error(`Duplication was found in the keyword list: ${KEYS[i]}`);
+        }
+    }
+}());
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given token is a "Template" token ends with "${".
+ * @param {Token} token A token to check.
+ * @returns {boolean} `true` if the token is a "Template" token ends with "${".
+ */
+function isOpenParenOfTemplate(token) {
+    return token.type === "Template" && TEMPLATE_OPEN_PAREN.test(token.value);
+}
+
+/**
+ * Checks whether or not a given token is a "Template" token starts with "}".
+ * @param {Token} token A token to check.
+ * @returns {boolean} `true` if the token is a "Template" token starts with "}".
+ */
+function isCloseParenOfTemplate(token) {
+    return token.type === "Template" && TEMPLATE_CLOSE_PAREN.test(token.value);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before and after keywords",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/keyword-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: { type: "boolean", default: true },
+                    after: { type: "boolean", default: true },
+                    overrides: {
+                        type: "object",
+                        properties: KEYS.reduce((retv, key) => {
+                            retv[key] = {
+                                type: "object",
+                                properties: {
+                                    before: { type: "boolean" },
+                                    after: { type: "boolean" }
+                                },
+                                additionalProperties: false
+                            };
+                            return retv;
+                        }, {}),
+                        additionalProperties: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            expectedBefore: "Expected space(s) before \"{{value}}\".",
+            expectedAfter: "Expected space(s) after \"{{value}}\".",
+            unexpectedBefore: "Unexpected space(s) before \"{{value}}\".",
+            unexpectedAfter: "Unexpected space(s) after \"{{value}}\"."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports a given token if there are not space(s) before the token.
+         * @param {Token} token A token to report.
+         * @param {RegExp} pattern A pattern of the previous token to check.
+         * @returns {void}
+         */
+        function expectSpaceBefore(token, pattern) {
+            const prevToken = sourceCode.getTokenBefore(token);
+
+            if (prevToken &&
+                (CHECK_TYPE.test(prevToken.type) || pattern.test(prevToken.value)) &&
+                !isOpenParenOfTemplate(prevToken) &&
+                astUtils.isTokenOnSameLine(prevToken, token) &&
+                !sourceCode.isSpaceBetweenTokens(prevToken, token)
+            ) {
+                context.report({
+                    loc: token.loc.start,
+                    messageId: "expectedBefore",
+                    data: token,
+                    fix(fixer) {
+                        return fixer.insertTextBefore(token, " ");
+                    }
+                });
+            }
+        }
+
+        /**
+         * Reports a given token if there are space(s) before the token.
+         * @param {Token} token A token to report.
+         * @param {RegExp} pattern A pattern of the previous token to check.
+         * @returns {void}
+         */
+        function unexpectSpaceBefore(token, pattern) {
+            const prevToken = sourceCode.getTokenBefore(token);
+
+            if (prevToken &&
+                (CHECK_TYPE.test(prevToken.type) || pattern.test(prevToken.value)) &&
+                !isOpenParenOfTemplate(prevToken) &&
+                astUtils.isTokenOnSameLine(prevToken, token) &&
+                sourceCode.isSpaceBetweenTokens(prevToken, token)
+            ) {
+                context.report({
+                    loc: token.loc.start,
+                    messageId: "unexpectedBefore",
+                    data: token,
+                    fix(fixer) {
+                        return fixer.removeRange([prevToken.range[1], token.range[0]]);
+                    }
+                });
+            }
+        }
+
+        /**
+         * Reports a given token if there are not space(s) after the token.
+         * @param {Token} token A token to report.
+         * @param {RegExp} pattern A pattern of the next token to check.
+         * @returns {void}
+         */
+        function expectSpaceAfter(token, pattern) {
+            const nextToken = sourceCode.getTokenAfter(token);
+
+            if (nextToken &&
+                (CHECK_TYPE.test(nextToken.type) || pattern.test(nextToken.value)) &&
+                !isCloseParenOfTemplate(nextToken) &&
+                astUtils.isTokenOnSameLine(token, nextToken) &&
+                !sourceCode.isSpaceBetweenTokens(token, nextToken)
+            ) {
+                context.report({
+                    loc: token.loc.start,
+                    messageId: "expectedAfter",
+                    data: token,
+                    fix(fixer) {
+                        return fixer.insertTextAfter(token, " ");
+                    }
+                });
+            }
+        }
+
+        /**
+         * Reports a given token if there are space(s) after the token.
+         * @param {Token} token A token to report.
+         * @param {RegExp} pattern A pattern of the next token to check.
+         * @returns {void}
+         */
+        function unexpectSpaceAfter(token, pattern) {
+            const nextToken = sourceCode.getTokenAfter(token);
+
+            if (nextToken &&
+                (CHECK_TYPE.test(nextToken.type) || pattern.test(nextToken.value)) &&
+                !isCloseParenOfTemplate(nextToken) &&
+                astUtils.isTokenOnSameLine(token, nextToken) &&
+                sourceCode.isSpaceBetweenTokens(token, nextToken)
+            ) {
+                context.report({
+                    loc: token.loc.start,
+                    messageId: "unexpectedAfter",
+                    data: token,
+                    fix(fixer) {
+                        return fixer.removeRange([token.range[1], nextToken.range[0]]);
+                    }
+                });
+            }
+        }
+
+        /**
+         * Parses the option object and determines check methods for each keyword.
+         * @param {Object|undefined} options The option object to parse.
+         * @returns {Object} - Normalized option object.
+         *      Keys are keywords (there are for every keyword).
+         *      Values are instances of `{"before": function, "after": function}`.
+         */
+        function parseOptions(options = {}) {
+            const before = options.before !== false;
+            const after = options.after !== false;
+            const defaultValue = {
+                before: before ? expectSpaceBefore : unexpectSpaceBefore,
+                after: after ? expectSpaceAfter : unexpectSpaceAfter
+            };
+            const overrides = (options && options.overrides) || {};
+            const retv = Object.create(null);
+
+            for (let i = 0; i < KEYS.length; ++i) {
+                const key = KEYS[i];
+                const override = overrides[key];
+
+                if (override) {
+                    const thisBefore = ("before" in override) ? override.before : before;
+                    const thisAfter = ("after" in override) ? override.after : after;
+
+                    retv[key] = {
+                        before: thisBefore ? expectSpaceBefore : unexpectSpaceBefore,
+                        after: thisAfter ? expectSpaceAfter : unexpectSpaceAfter
+                    };
+                } else {
+                    retv[key] = defaultValue;
+                }
+            }
+
+            return retv;
+        }
+
+        const checkMethodMap = parseOptions(context.options[0]);
+
+        /**
+         * Reports a given token if usage of spacing followed by the token is
+         * invalid.
+         * @param {Token} token A token to report.
+         * @param {RegExp} [pattern] Optional. A pattern of the previous
+         *      token to check.
+         * @returns {void}
+         */
+        function checkSpacingBefore(token, pattern) {
+            checkMethodMap[token.value].before(token, pattern || PREV_TOKEN);
+        }
+
+        /**
+         * Reports a given token if usage of spacing preceded by the token is
+         * invalid.
+         * @param {Token} token A token to report.
+         * @param {RegExp} [pattern] Optional. A pattern of the next
+         *      token to check.
+         * @returns {void}
+         */
+        function checkSpacingAfter(token, pattern) {
+            checkMethodMap[token.value].after(token, pattern || NEXT_TOKEN);
+        }
+
+        /**
+         * Reports a given token if usage of spacing around the token is invalid.
+         * @param {Token} token A token to report.
+         * @returns {void}
+         */
+        function checkSpacingAround(token) {
+            checkSpacingBefore(token);
+            checkSpacingAfter(token);
+        }
+
+        /**
+         * Reports the first token of a given node if the first token is a keyword
+         * and usage of spacing around the token is invalid.
+         * @param {ASTNode|null} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingAroundFirstToken(node) {
+            const firstToken = node && sourceCode.getFirstToken(node);
+
+            if (firstToken && firstToken.type === "Keyword") {
+                checkSpacingAround(firstToken);
+            }
+        }
+
+        /**
+         * Reports the first token of a given node if the first token is a keyword
+         * and usage of spacing followed by the token is invalid.
+         *
+         * This is used for unary operators (e.g. `typeof`), `function`, and `super`.
+         * Other rules are handling usage of spacing preceded by those keywords.
+         * @param {ASTNode|null} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingBeforeFirstToken(node) {
+            const firstToken = node && sourceCode.getFirstToken(node);
+
+            if (firstToken && firstToken.type === "Keyword") {
+                checkSpacingBefore(firstToken);
+            }
+        }
+
+        /**
+         * Reports the previous token of a given node if the token is a keyword and
+         * usage of spacing around the token is invalid.
+         * @param {ASTNode|null} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingAroundTokenBefore(node) {
+            if (node) {
+                const token = sourceCode.getTokenBefore(node, astUtils.isKeywordToken);
+
+                checkSpacingAround(token);
+            }
+        }
+
+        /**
+         * Reports `async` or `function` keywords of a given node if usage of
+         * spacing around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForFunction(node) {
+            const firstToken = node && sourceCode.getFirstToken(node);
+
+            if (firstToken &&
+                ((firstToken.type === "Keyword" && firstToken.value === "function") ||
+                firstToken.value === "async")
+            ) {
+                checkSpacingBefore(firstToken);
+            }
+        }
+
+        /**
+         * Reports `class` and `extends` keywords of a given node if usage of
+         * spacing around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForClass(node) {
+            checkSpacingAroundFirstToken(node);
+            checkSpacingAroundTokenBefore(node.superClass);
+        }
+
+        /**
+         * Reports `if` and `else` keywords of a given node if usage of spacing
+         * around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForIfStatement(node) {
+            checkSpacingAroundFirstToken(node);
+            checkSpacingAroundTokenBefore(node.alternate);
+        }
+
+        /**
+         * Reports `try`, `catch`, and `finally` keywords of a given node if usage
+         * of spacing around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForTryStatement(node) {
+            checkSpacingAroundFirstToken(node);
+            checkSpacingAroundFirstToken(node.handler);
+            checkSpacingAroundTokenBefore(node.finalizer);
+        }
+
+        /**
+         * Reports `do` and `while` keywords of a given node if usage of spacing
+         * around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForDoWhileStatement(node) {
+            checkSpacingAroundFirstToken(node);
+            checkSpacingAroundTokenBefore(node.test);
+        }
+
+        /**
+         * Reports `for` and `in` keywords of a given node if usage of spacing
+         * around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForForInStatement(node) {
+            checkSpacingAroundFirstToken(node);
+            checkSpacingAroundTokenBefore(node.right);
+        }
+
+        /**
+         * Reports `for` and `of` keywords of a given node if usage of spacing
+         * around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForForOfStatement(node) {
+            if (node.await) {
+                checkSpacingBefore(sourceCode.getFirstToken(node, 0));
+                checkSpacingAfter(sourceCode.getFirstToken(node, 1));
+            } else {
+                checkSpacingAroundFirstToken(node);
+            }
+            checkSpacingAround(sourceCode.getTokenBefore(node.right, astUtils.isNotOpeningParenToken));
+        }
+
+        /**
+         * Reports `import`, `export`, `as`, and `from` keywords of a given node if
+         * usage of spacing around those keywords is invalid.
+         *
+         * This rule handles the `*` token in module declarations.
+         *
+         *     import*as A from "./a"; /*error Expected space(s) after "import".
+         *                               error Expected space(s) before "as".
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForModuleDeclaration(node) {
+            const firstToken = sourceCode.getFirstToken(node);
+
+            checkSpacingBefore(firstToken, PREV_TOKEN_M);
+            checkSpacingAfter(firstToken, NEXT_TOKEN_M);
+
+            if (node.type === "ExportDefaultDeclaration") {
+                checkSpacingAround(sourceCode.getTokenAfter(firstToken));
+            }
+
+            if (node.source) {
+                const fromToken = sourceCode.getTokenBefore(node.source);
+
+                checkSpacingBefore(fromToken, PREV_TOKEN_M);
+                checkSpacingAfter(fromToken, NEXT_TOKEN_M);
+            }
+        }
+
+        /**
+         * Reports `as` keyword of a given node if usage of spacing around this
+         * keyword is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForImportNamespaceSpecifier(node) {
+            const asToken = sourceCode.getFirstToken(node, 1);
+
+            checkSpacingBefore(asToken, PREV_TOKEN_M);
+        }
+
+        /**
+         * Reports `static`, `get`, and `set` keywords of a given node if usage of
+         * spacing around those keywords is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForProperty(node) {
+            if (node.static) {
+                checkSpacingAroundFirstToken(node);
+            }
+            if (node.kind === "get" ||
+                node.kind === "set" ||
+                (
+                    (node.method || node.type === "MethodDefinition") &&
+                    node.value.async
+                )
+            ) {
+                const token = sourceCode.getTokenBefore(
+                    node.key,
+                    tok => {
+                        switch (tok.value) {
+                            case "get":
+                            case "set":
+                            case "async":
+                                return true;
+                            default:
+                                return false;
+                        }
+                    }
+                );
+
+                if (!token) {
+                    throw new Error("Failed to find token get, set, or async beside method name");
+                }
+
+
+                checkSpacingAround(token);
+            }
+        }
+
+        /**
+         * Reports `await` keyword of a given node if usage of spacing before
+         * this keyword is invalid.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function checkSpacingForAwaitExpression(node) {
+            checkSpacingBefore(sourceCode.getFirstToken(node));
+        }
+
+        return {
+
+            // Statements
+            DebuggerStatement: checkSpacingAroundFirstToken,
+            WithStatement: checkSpacingAroundFirstToken,
+
+            // Statements - Control flow
+            BreakStatement: checkSpacingAroundFirstToken,
+            ContinueStatement: checkSpacingAroundFirstToken,
+            ReturnStatement: checkSpacingAroundFirstToken,
+            ThrowStatement: checkSpacingAroundFirstToken,
+            TryStatement: checkSpacingForTryStatement,
+
+            // Statements - Choice
+            IfStatement: checkSpacingForIfStatement,
+            SwitchStatement: checkSpacingAroundFirstToken,
+            SwitchCase: checkSpacingAroundFirstToken,
+
+            // Statements - Loops
+            DoWhileStatement: checkSpacingForDoWhileStatement,
+            ForInStatement: checkSpacingForForInStatement,
+            ForOfStatement: checkSpacingForForOfStatement,
+            ForStatement: checkSpacingAroundFirstToken,
+            WhileStatement: checkSpacingAroundFirstToken,
+
+            // Statements - Declarations
+            ClassDeclaration: checkSpacingForClass,
+            ExportNamedDeclaration: checkSpacingForModuleDeclaration,
+            ExportDefaultDeclaration: checkSpacingForModuleDeclaration,
+            ExportAllDeclaration: checkSpacingForModuleDeclaration,
+            FunctionDeclaration: checkSpacingForFunction,
+            ImportDeclaration: checkSpacingForModuleDeclaration,
+            VariableDeclaration: checkSpacingAroundFirstToken,
+
+            // Expressions
+            ArrowFunctionExpression: checkSpacingForFunction,
+            AwaitExpression: checkSpacingForAwaitExpression,
+            ClassExpression: checkSpacingForClass,
+            FunctionExpression: checkSpacingForFunction,
+            NewExpression: checkSpacingBeforeFirstToken,
+            Super: checkSpacingBeforeFirstToken,
+            ThisExpression: checkSpacingBeforeFirstToken,
+            UnaryExpression: checkSpacingBeforeFirstToken,
+            YieldExpression: checkSpacingBeforeFirstToken,
+
+            // Others
+            ImportNamespaceSpecifier: checkSpacingForImportNamespaceSpecifier,
+            MethodDefinition: checkSpacingForProperty,
+            Property: checkSpacingForProperty
+        };
+    }
+};
diff --git a/eslint/lib/rules/line-comment-position.js b/eslint/lib/rules/line-comment-position.js
new file mode 100644
index 0000000..77ee147
--- /dev/null
+++ b/eslint/lib/rules/line-comment-position.js
@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Rule to enforce the position of line comments
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce position of line comments",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/line-comment-position"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["above", "beside"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            position: {
+                                enum: ["above", "beside"]
+                            },
+                            ignorePattern: {
+                                type: "string"
+                            },
+                            applyDefaultPatterns: {
+                                type: "boolean"
+                            },
+                            applyDefaultIgnorePatterns: {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            above: "Expected comment to be above code.",
+            beside: "Expected comment to be beside code."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0];
+
+        let above,
+            ignorePattern,
+            applyDefaultIgnorePatterns = true;
+
+        if (!options || typeof options === "string") {
+            above = !options || options === "above";
+
+        } else {
+            above = !options.position || options.position === "above";
+            ignorePattern = options.ignorePattern;
+
+            if (Object.prototype.hasOwnProperty.call(options, "applyDefaultIgnorePatterns")) {
+                applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns;
+            } else {
+                applyDefaultIgnorePatterns = options.applyDefaultPatterns !== false;
+            }
+        }
+
+        const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN;
+        const fallThroughRegExp = /^\s*falls?\s?through/u;
+        const customIgnoreRegExp = new RegExp(ignorePattern, "u");
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program() {
+                const comments = sourceCode.getAllComments();
+
+                comments.filter(token => token.type === "Line").forEach(node => {
+                    if (applyDefaultIgnorePatterns && (defaultIgnoreRegExp.test(node.value) || fallThroughRegExp.test(node.value))) {
+                        return;
+                    }
+
+                    if (ignorePattern && customIgnoreRegExp.test(node.value)) {
+                        return;
+                    }
+
+                    const previous = sourceCode.getTokenBefore(node, { includeComments: true });
+                    const isOnSameLine = previous && previous.loc.end.line === node.loc.start.line;
+
+                    if (above) {
+                        if (isOnSameLine) {
+                            context.report({
+                                node,
+                                messageId: "above"
+                            });
+                        }
+                    } else {
+                        if (!isOnSameLine) {
+                            context.report({
+                                node,
+                                messageId: "beside"
+                            });
+                        }
+                    }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/linebreak-style.js b/eslint/lib/rules/linebreak-style.js
new file mode 100644
index 0000000..078eaf2
--- /dev/null
+++ b/eslint/lib/rules/linebreak-style.js
@@ -0,0 +1,99 @@
+/**
+ * @fileoverview Rule to enforce a single linebreak style.
+ * @author Erik Mueller
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent linebreak style",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/linebreak-style"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["unix", "windows"]
+            }
+        ],
+        messages: {
+            expectedLF: "Expected linebreaks to be 'LF' but found 'CRLF'.",
+            expectedCRLF: "Expected linebreaks to be 'CRLF' but found 'LF'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Builds a fix function that replaces text at the specified range in the source text.
+         * @param {int[]} range The range to replace
+         * @param {string} text The text to insert.
+         * @returns {Function} Fixer function
+         * @private
+         */
+        function createFix(range, text) {
+            return function(fixer) {
+                return fixer.replaceTextRange(range, text);
+            };
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: function checkForLinebreakStyle(node) {
+                const linebreakStyle = context.options[0] || "unix",
+                    expectedLF = linebreakStyle === "unix",
+                    expectedLFChars = expectedLF ? "\n" : "\r\n",
+                    source = sourceCode.getText(),
+                    pattern = astUtils.createGlobalLinebreakMatcher();
+                let match;
+
+                let i = 0;
+
+                while ((match = pattern.exec(source)) !== null) {
+                    i++;
+                    if (match[0] === expectedLFChars) {
+                        continue;
+                    }
+
+                    const index = match.index;
+                    const range = [index, index + match[0].length];
+
+                    context.report({
+                        node,
+                        loc: {
+                            line: i,
+                            column: sourceCode.lines[i - 1].length
+                        },
+                        messageId: expectedLF ? "expectedLF" : "expectedCRLF",
+                        fix: createFix(range, expectedLFChars)
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/lines-around-comment.js b/eslint/lib/rules/lines-around-comment.js
new file mode 100644
index 0000000..5e1b83c
--- /dev/null
+++ b/eslint/lib/rules/lines-around-comment.js
@@ -0,0 +1,404 @@
+/**
+ * @fileoverview Enforces empty lines around comments.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash"),
+    astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Return an array with with any line numbers that are empty.
+ * @param {Array} lines An array of each line of the file.
+ * @returns {Array} An array of line numbers.
+ */
+function getEmptyLineNums(lines) {
+    const emptyLines = lines.map((line, i) => ({
+        code: line.trim(),
+        num: i + 1
+    })).filter(line => !line.code).map(line => line.num);
+
+    return emptyLines;
+}
+
+/**
+ * Return an array with with any line numbers that contain comments.
+ * @param {Array} comments An array of comment tokens.
+ * @returns {Array} An array of line numbers.
+ */
+function getCommentLineNums(comments) {
+    const lines = [];
+
+    comments.forEach(token => {
+        const start = token.loc.start.line;
+        const end = token.loc.end.line;
+
+        lines.push(start, end);
+    });
+    return lines;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require empty lines around comments",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/lines-around-comment"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    beforeBlockComment: {
+                        type: "boolean",
+                        default: true
+                    },
+                    afterBlockComment: {
+                        type: "boolean",
+                        default: false
+                    },
+                    beforeLineComment: {
+                        type: "boolean",
+                        default: false
+                    },
+                    afterLineComment: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowBlockStart: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowBlockEnd: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowClassStart: {
+                        type: "boolean"
+                    },
+                    allowClassEnd: {
+                        type: "boolean"
+                    },
+                    allowObjectStart: {
+                        type: "boolean"
+                    },
+                    allowObjectEnd: {
+                        type: "boolean"
+                    },
+                    allowArrayStart: {
+                        type: "boolean"
+                    },
+                    allowArrayEnd: {
+                        type: "boolean"
+                    },
+                    ignorePattern: {
+                        type: "string"
+                    },
+                    applyDefaultIgnorePatterns: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            after: "Expected line after comment.",
+            before: "Expected line before comment."
+        }
+    },
+
+    create(context) {
+
+        const options = Object.assign({}, context.options[0]);
+        const ignorePattern = options.ignorePattern;
+        const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN;
+        const customIgnoreRegExp = new RegExp(ignorePattern, "u");
+        const applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns !== false;
+
+        options.beforeBlockComment = typeof options.beforeBlockComment !== "undefined" ? options.beforeBlockComment : true;
+
+        const sourceCode = context.getSourceCode();
+
+        const lines = sourceCode.lines,
+            numLines = lines.length + 1,
+            comments = sourceCode.getAllComments(),
+            commentLines = getCommentLineNums(comments),
+            emptyLines = getEmptyLineNums(lines),
+            commentAndEmptyLines = commentLines.concat(emptyLines);
+
+        /**
+         * Returns whether or not comments are on lines starting with or ending with code
+         * @param {token} token The comment token to check.
+         * @returns {boolean} True if the comment is not alone.
+         */
+        function codeAroundComment(token) {
+            let currentToken = token;
+
+            do {
+                currentToken = sourceCode.getTokenBefore(currentToken, { includeComments: true });
+            } while (currentToken && astUtils.isCommentToken(currentToken));
+
+            if (currentToken && astUtils.isTokenOnSameLine(currentToken, token)) {
+                return true;
+            }
+
+            currentToken = token;
+            do {
+                currentToken = sourceCode.getTokenAfter(currentToken, { includeComments: true });
+            } while (currentToken && astUtils.isCommentToken(currentToken));
+
+            if (currentToken && astUtils.isTokenOnSameLine(token, currentToken)) {
+                return true;
+            }
+
+            return false;
+        }
+
+        /**
+         * Returns whether or not comments are inside a node type or not.
+         * @param {ASTNode} parent The Comment parent node.
+         * @param {string} nodeType The parent type to check against.
+         * @returns {boolean} True if the comment is inside nodeType.
+         */
+        function isParentNodeType(parent, nodeType) {
+            return parent.type === nodeType ||
+                (parent.body && parent.body.type === nodeType) ||
+                (parent.consequent && parent.consequent.type === nodeType);
+        }
+
+        /**
+         * Returns the parent node that contains the given token.
+         * @param {token} token The token to check.
+         * @returns {ASTNode} The parent node that contains the given token.
+         */
+        function getParentNodeOfToken(token) {
+            return sourceCode.getNodeByRangeIndex(token.range[0]);
+        }
+
+        /**
+         * Returns whether or not comments are at the parent start or not.
+         * @param {token} token The Comment token.
+         * @param {string} nodeType The parent type to check against.
+         * @returns {boolean} True if the comment is at parent start.
+         */
+        function isCommentAtParentStart(token, nodeType) {
+            const parent = getParentNodeOfToken(token);
+
+            return parent && isParentNodeType(parent, nodeType) &&
+                    token.loc.start.line - parent.loc.start.line === 1;
+        }
+
+        /**
+         * Returns whether or not comments are at the parent end or not.
+         * @param {token} token The Comment token.
+         * @param {string} nodeType The parent type to check against.
+         * @returns {boolean} True if the comment is at parent end.
+         */
+        function isCommentAtParentEnd(token, nodeType) {
+            const parent = getParentNodeOfToken(token);
+
+            return parent && isParentNodeType(parent, nodeType) &&
+                    parent.loc.end.line - token.loc.end.line === 1;
+        }
+
+        /**
+         * Returns whether or not comments are at the block start or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at block start.
+         */
+        function isCommentAtBlockStart(token) {
+            return isCommentAtParentStart(token, "ClassBody") || isCommentAtParentStart(token, "BlockStatement") || isCommentAtParentStart(token, "SwitchCase");
+        }
+
+        /**
+         * Returns whether or not comments are at the block end or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at block end.
+         */
+        function isCommentAtBlockEnd(token) {
+            return isCommentAtParentEnd(token, "ClassBody") || isCommentAtParentEnd(token, "BlockStatement") || isCommentAtParentEnd(token, "SwitchCase") || isCommentAtParentEnd(token, "SwitchStatement");
+        }
+
+        /**
+         * Returns whether or not comments are at the class start or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at class start.
+         */
+        function isCommentAtClassStart(token) {
+            return isCommentAtParentStart(token, "ClassBody");
+        }
+
+        /**
+         * Returns whether or not comments are at the class end or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at class end.
+         */
+        function isCommentAtClassEnd(token) {
+            return isCommentAtParentEnd(token, "ClassBody");
+        }
+
+        /**
+         * Returns whether or not comments are at the object start or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at object start.
+         */
+        function isCommentAtObjectStart(token) {
+            return isCommentAtParentStart(token, "ObjectExpression") || isCommentAtParentStart(token, "ObjectPattern");
+        }
+
+        /**
+         * Returns whether or not comments are at the object end or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at object end.
+         */
+        function isCommentAtObjectEnd(token) {
+            return isCommentAtParentEnd(token, "ObjectExpression") || isCommentAtParentEnd(token, "ObjectPattern");
+        }
+
+        /**
+         * Returns whether or not comments are at the array start or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at array start.
+         */
+        function isCommentAtArrayStart(token) {
+            return isCommentAtParentStart(token, "ArrayExpression") || isCommentAtParentStart(token, "ArrayPattern");
+        }
+
+        /**
+         * Returns whether or not comments are at the array end or not.
+         * @param {token} token The Comment token.
+         * @returns {boolean} True if the comment is at array end.
+         */
+        function isCommentAtArrayEnd(token) {
+            return isCommentAtParentEnd(token, "ArrayExpression") || isCommentAtParentEnd(token, "ArrayPattern");
+        }
+
+        /**
+         * Checks if a comment token has lines around it (ignores inline comments)
+         * @param {token} token The Comment token.
+         * @param {Object} opts Options to determine the newline.
+         * @param {boolean} opts.after Should have a newline after this line.
+         * @param {boolean} opts.before Should have a newline before this line.
+         * @returns {void}
+         */
+        function checkForEmptyLine(token, opts) {
+            if (applyDefaultIgnorePatterns && defaultIgnoreRegExp.test(token.value)) {
+                return;
+            }
+
+            if (ignorePattern && customIgnoreRegExp.test(token.value)) {
+                return;
+            }
+
+            let after = opts.after,
+                before = opts.before;
+
+            const prevLineNum = token.loc.start.line - 1,
+                nextLineNum = token.loc.end.line + 1,
+                commentIsNotAlone = codeAroundComment(token);
+
+            const blockStartAllowed = options.allowBlockStart &&
+                    isCommentAtBlockStart(token) &&
+                    !(options.allowClassStart === false &&
+                    isCommentAtClassStart(token)),
+                blockEndAllowed = options.allowBlockEnd && isCommentAtBlockEnd(token) && !(options.allowClassEnd === false && isCommentAtClassEnd(token)),
+                classStartAllowed = options.allowClassStart && isCommentAtClassStart(token),
+                classEndAllowed = options.allowClassEnd && isCommentAtClassEnd(token),
+                objectStartAllowed = options.allowObjectStart && isCommentAtObjectStart(token),
+                objectEndAllowed = options.allowObjectEnd && isCommentAtObjectEnd(token),
+                arrayStartAllowed = options.allowArrayStart && isCommentAtArrayStart(token),
+                arrayEndAllowed = options.allowArrayEnd && isCommentAtArrayEnd(token);
+
+            const exceptionStartAllowed = blockStartAllowed || classStartAllowed || objectStartAllowed || arrayStartAllowed;
+            const exceptionEndAllowed = blockEndAllowed || classEndAllowed || objectEndAllowed || arrayEndAllowed;
+
+            // ignore top of the file and bottom of the file
+            if (prevLineNum < 1) {
+                before = false;
+            }
+            if (nextLineNum >= numLines) {
+                after = false;
+            }
+
+            // we ignore all inline comments
+            if (commentIsNotAlone) {
+                return;
+            }
+
+            const previousTokenOrComment = sourceCode.getTokenBefore(token, { includeComments: true });
+            const nextTokenOrComment = sourceCode.getTokenAfter(token, { includeComments: true });
+
+            // check for newline before
+            if (!exceptionStartAllowed && before && !lodash.includes(commentAndEmptyLines, prevLineNum) &&
+                    !(astUtils.isCommentToken(previousTokenOrComment) && astUtils.isTokenOnSameLine(previousTokenOrComment, token))) {
+                const lineStart = token.range[0] - token.loc.start.column;
+                const range = [lineStart, lineStart];
+
+                context.report({
+                    node: token,
+                    messageId: "before",
+                    fix(fixer) {
+                        return fixer.insertTextBeforeRange(range, "\n");
+                    }
+                });
+            }
+
+            // check for newline after
+            if (!exceptionEndAllowed && after && !lodash.includes(commentAndEmptyLines, nextLineNum) &&
+                    !(astUtils.isCommentToken(nextTokenOrComment) && astUtils.isTokenOnSameLine(token, nextTokenOrComment))) {
+                context.report({
+                    node: token,
+                    messageId: "after",
+                    fix(fixer) {
+                        return fixer.insertTextAfter(token, "\n");
+                    }
+                });
+            }
+
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program() {
+                comments.forEach(token => {
+                    if (token.type === "Line") {
+                        if (options.beforeLineComment || options.afterLineComment) {
+                            checkForEmptyLine(token, {
+                                after: options.afterLineComment,
+                                before: options.beforeLineComment
+                            });
+                        }
+                    } else if (token.type === "Block") {
+                        if (options.beforeBlockComment || options.afterBlockComment) {
+                            checkForEmptyLine(token, {
+                                after: options.afterBlockComment,
+                                before: options.beforeBlockComment
+                            });
+                        }
+                    }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/lines-around-directive.js b/eslint/lib/rules/lines-around-directive.js
new file mode 100644
index 0000000..fb439da
--- /dev/null
+++ b/eslint/lib/rules/lines-around-directive.js
@@ -0,0 +1,201 @@
+/**
+ * @fileoverview Require or disallow newlines around directives.
+ * @author Kai Cataldo
+ * @deprecated
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow newlines around directives",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/lines-around-directive"
+        },
+
+        schema: [{
+            oneOf: [
+                {
+                    enum: ["always", "never"]
+                },
+                {
+                    type: "object",
+                    properties: {
+                        before: {
+                            enum: ["always", "never"]
+                        },
+                        after: {
+                            enum: ["always", "never"]
+                        }
+                    },
+                    additionalProperties: false,
+                    minProperties: 2
+                }
+            ]
+        }],
+
+        fixable: "whitespace",
+        messages: {
+            expected: "Expected newline {{location}} \"{{value}}\" directive.",
+            unexpected: "Unexpected newline {{location}} \"{{value}}\" directive."
+        },
+        deprecated: true,
+        replacedBy: ["padding-line-between-statements"]
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const config = context.options[0] || "always";
+        const expectLineBefore = typeof config === "string" ? config : config.before;
+        const expectLineAfter = typeof config === "string" ? config : config.after;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Check if node is preceded by a blank newline.
+         * @param {ASTNode} node Node to check.
+         * @returns {boolean} Whether or not the passed in node is preceded by a blank newline.
+         */
+        function hasNewlineBefore(node) {
+            const tokenBefore = sourceCode.getTokenBefore(node, { includeComments: true });
+            const tokenLineBefore = tokenBefore ? tokenBefore.loc.end.line : 0;
+
+            return node.loc.start.line - tokenLineBefore >= 2;
+        }
+
+        /**
+         * Gets the last token of a node that is on the same line as the rest of the node.
+         * This will usually be the last token of the node, but it will be the second-to-last token if the node has a trailing
+         * semicolon on a different line.
+         * @param {ASTNode} node A directive node
+         * @returns {Token} The last token of the node on the line
+         */
+        function getLastTokenOnLine(node) {
+            const lastToken = sourceCode.getLastToken(node);
+            const secondToLastToken = sourceCode.getTokenBefore(lastToken);
+
+            return astUtils.isSemicolonToken(lastToken) && lastToken.loc.start.line > secondToLastToken.loc.end.line
+                ? secondToLastToken
+                : lastToken;
+        }
+
+        /**
+         * Check if node is followed by a blank newline.
+         * @param {ASTNode} node Node to check.
+         * @returns {boolean} Whether or not the passed in node is followed by a blank newline.
+         */
+        function hasNewlineAfter(node) {
+            const lastToken = getLastTokenOnLine(node);
+            const tokenAfter = sourceCode.getTokenAfter(lastToken, { includeComments: true });
+
+            return tokenAfter.loc.start.line - lastToken.loc.end.line >= 2;
+        }
+
+        /**
+         * Report errors for newlines around directives.
+         * @param {ASTNode} node Node to check.
+         * @param {string} location Whether the error was found before or after the directive.
+         * @param {boolean} expected Whether or not a newline was expected or unexpected.
+         * @returns {void}
+         */
+        function reportError(node, location, expected) {
+            context.report({
+                node,
+                messageId: expected ? "expected" : "unexpected",
+                data: {
+                    value: node.expression.value,
+                    location
+                },
+                fix(fixer) {
+                    const lastToken = getLastTokenOnLine(node);
+
+                    if (expected) {
+                        return location === "before" ? fixer.insertTextBefore(node, "\n") : fixer.insertTextAfter(lastToken, "\n");
+                    }
+                    return fixer.removeRange(location === "before" ? [node.range[0] - 1, node.range[0]] : [lastToken.range[1], lastToken.range[1] + 1]);
+                }
+            });
+        }
+
+        /**
+         * Check lines around directives in node
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function checkDirectives(node) {
+            const directives = astUtils.getDirectivePrologue(node);
+
+            if (!directives.length) {
+                return;
+            }
+
+            const firstDirective = directives[0];
+            const leadingComments = sourceCode.getCommentsBefore(firstDirective);
+
+            /*
+             * Only check before the first directive if it is preceded by a comment or if it is at the top of
+             * the file and expectLineBefore is set to "never". This is to not force a newline at the top of
+             * the file if there are no comments as well as for compatibility with padded-blocks.
+             */
+            if (leadingComments.length) {
+                if (expectLineBefore === "always" && !hasNewlineBefore(firstDirective)) {
+                    reportError(firstDirective, "before", true);
+                }
+
+                if (expectLineBefore === "never" && hasNewlineBefore(firstDirective)) {
+                    reportError(firstDirective, "before", false);
+                }
+            } else if (
+                node.type === "Program" &&
+                expectLineBefore === "never" &&
+                !leadingComments.length &&
+                hasNewlineBefore(firstDirective)
+            ) {
+                reportError(firstDirective, "before", false);
+            }
+
+            const lastDirective = directives[directives.length - 1];
+            const statements = node.type === "Program" ? node.body : node.body.body;
+
+            /*
+             * Do not check after the last directive if the body only
+             * contains a directive prologue and isn't followed by a comment to ensure
+             * this rule behaves well with padded-blocks.
+             */
+            if (lastDirective === statements[statements.length - 1] && !lastDirective.trailingComments) {
+                return;
+            }
+
+            if (expectLineAfter === "always" && !hasNewlineAfter(lastDirective)) {
+                reportError(lastDirective, "after", true);
+            }
+
+            if (expectLineAfter === "never" && hasNewlineAfter(lastDirective)) {
+                reportError(lastDirective, "after", false);
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: checkDirectives,
+            FunctionDeclaration: checkDirectives,
+            FunctionExpression: checkDirectives,
+            ArrowFunctionExpression: checkDirectives
+        };
+    }
+};
diff --git a/eslint/lib/rules/lines-between-class-members.js b/eslint/lib/rules/lines-between-class-members.js
new file mode 100644
index 0000000..9723530
--- /dev/null
+++ b/eslint/lib/rules/lines-between-class-members.js
@@ -0,0 +1,133 @@
+/**
+ * @fileoverview Rule to check empty newline between class members
+ * @author 薛定谔的猫<hh_2013@foxmail.com>
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow an empty line between class members",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/lines-between-class-members"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    exceptAfterSingleLine: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            never: "Unexpected blank line between class members.",
+            always: "Expected blank line between class members."
+        }
+    },
+
+    create(context) {
+
+        const options = [];
+
+        options[0] = context.options[0] || "always";
+        options[1] = context.options[1] || { exceptAfterSingleLine: false };
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Return the last token among the consecutive tokens that have no exceed max line difference in between, before the first token in the next member.
+         * @param {Token} prevLastToken The last token in the previous member node.
+         * @param {Token} nextFirstToken The first token in the next member node.
+         * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens.
+         * @returns {Token} The last token among the consecutive tokens.
+         */
+        function findLastConsecutiveTokenAfter(prevLastToken, nextFirstToken, maxLine) {
+            const after = sourceCode.getTokenAfter(prevLastToken, { includeComments: true });
+
+            if (after !== nextFirstToken && after.loc.start.line - prevLastToken.loc.end.line <= maxLine) {
+                return findLastConsecutiveTokenAfter(after, nextFirstToken, maxLine);
+            }
+            return prevLastToken;
+        }
+
+        /**
+         * Return the first token among the consecutive tokens that have no exceed max line difference in between, after the last token in the previous member.
+         * @param {Token} nextFirstToken The first token in the next member node.
+         * @param {Token} prevLastToken The last token in the previous member node.
+         * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens.
+         * @returns {Token} The first token among the consecutive tokens.
+         */
+        function findFirstConsecutiveTokenBefore(nextFirstToken, prevLastToken, maxLine) {
+            const before = sourceCode.getTokenBefore(nextFirstToken, { includeComments: true });
+
+            if (before !== prevLastToken && nextFirstToken.loc.start.line - before.loc.end.line <= maxLine) {
+                return findFirstConsecutiveTokenBefore(before, prevLastToken, maxLine);
+            }
+            return nextFirstToken;
+        }
+
+        /**
+         * Checks if there is a token or comment between two tokens.
+         * @param {Token} before The token before.
+         * @param {Token} after The token after.
+         * @returns {boolean} True if there is a token or comment between two tokens.
+         */
+        function hasTokenOrCommentBetween(before, after) {
+            return sourceCode.getTokensBetween(before, after, { includeComments: true }).length !== 0;
+        }
+
+        return {
+            ClassBody(node) {
+                const body = node.body;
+
+                for (let i = 0; i < body.length - 1; i++) {
+                    const curFirst = sourceCode.getFirstToken(body[i]);
+                    const curLast = sourceCode.getLastToken(body[i]);
+                    const nextFirst = sourceCode.getFirstToken(body[i + 1]);
+                    const isMulti = !astUtils.isTokenOnSameLine(curFirst, curLast);
+                    const skip = !isMulti && options[1].exceptAfterSingleLine;
+                    const beforePadding = findLastConsecutiveTokenAfter(curLast, nextFirst, 1);
+                    const afterPadding = findFirstConsecutiveTokenBefore(nextFirst, curLast, 1);
+                    const isPadded = afterPadding.loc.start.line - beforePadding.loc.end.line > 1;
+                    const hasTokenInPadding = hasTokenOrCommentBetween(beforePadding, afterPadding);
+                    const curLineLastToken = findLastConsecutiveTokenAfter(curLast, nextFirst, 0);
+
+                    if ((options[0] === "always" && !skip && !isPadded) ||
+                        (options[0] === "never" && isPadded)) {
+                        context.report({
+                            node: body[i + 1],
+                            messageId: isPadded ? "never" : "always",
+                            fix(fixer) {
+                                if (hasTokenInPadding) {
+                                    return null;
+                                }
+                                return isPadded
+                                    ? fixer.replaceTextRange([beforePadding.range[1], afterPadding.range[0]], "\n")
+                                    : fixer.insertTextAfter(curLineLastToken, "\n");
+                            }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/max-classes-per-file.js b/eslint/lib/rules/max-classes-per-file.js
new file mode 100644
index 0000000..bb48a54
--- /dev/null
+++ b/eslint/lib/rules/max-classes-per-file.js
@@ -0,0 +1,65 @@
+/**
+ * @fileoverview Enforce a maximum number of classes per file
+ * @author James Garbutt <https://github.com/43081j>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum number of classes per file",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-classes-per-file"
+        },
+
+        schema: [
+            {
+                type: "integer",
+                minimum: 1
+            }
+        ],
+
+        messages: {
+            maximumExceeded: "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}."
+        }
+    },
+    create(context) {
+
+        const maxClasses = context.options[0] || 1;
+
+        let classCount = 0;
+
+        return {
+            Program() {
+                classCount = 0;
+            },
+            "Program:exit"(node) {
+                if (classCount > maxClasses) {
+                    context.report({
+                        node,
+                        messageId: "maximumExceeded",
+                        data: {
+                            classCount,
+                            max: maxClasses
+                        }
+                    });
+                }
+            },
+            "ClassDeclaration, ClassExpression"() {
+                classCount++;
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/max-depth.js b/eslint/lib/rules/max-depth.js
new file mode 100644
index 0000000..5c5296b
--- /dev/null
+++ b/eslint/lib/rules/max-depth.js
@@ -0,0 +1,154 @@
+/**
+ * @fileoverview A rule to set the maximum depth block can be nested in a function.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum depth that blocks can be nested",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-depth"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            maximum: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            tooDeeply: "Blocks are nested too deeply ({{depth}}). Maximum allowed is {{maxDepth}}."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const functionStack = [],
+            option = context.options[0];
+        let maxDepth = 4;
+
+        if (
+            typeof option === "object" &&
+            (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))
+        ) {
+            maxDepth = option.maximum || option.max;
+        }
+        if (typeof option === "number") {
+            maxDepth = option;
+        }
+
+        /**
+         * When parsing a new function, store it in our function stack
+         * @returns {void}
+         * @private
+         */
+        function startFunction() {
+            functionStack.push(0);
+        }
+
+        /**
+         * When parsing is done then pop out the reference
+         * @returns {void}
+         * @private
+         */
+        function endFunction() {
+            functionStack.pop();
+        }
+
+        /**
+         * Save the block and Evaluate the node
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function pushBlock(node) {
+            const len = ++functionStack[functionStack.length - 1];
+
+            if (len > maxDepth) {
+                context.report({ node, messageId: "tooDeeply", data: { depth: len, maxDepth } });
+            }
+        }
+
+        /**
+         * Pop the saved block
+         * @returns {void}
+         * @private
+         */
+        function popBlock() {
+            functionStack[functionStack.length - 1]--;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: startFunction,
+            FunctionDeclaration: startFunction,
+            FunctionExpression: startFunction,
+            ArrowFunctionExpression: startFunction,
+
+            IfStatement(node) {
+                if (node.parent.type !== "IfStatement") {
+                    pushBlock(node);
+                }
+            },
+            SwitchStatement: pushBlock,
+            TryStatement: pushBlock,
+            DoWhileStatement: pushBlock,
+            WhileStatement: pushBlock,
+            WithStatement: pushBlock,
+            ForStatement: pushBlock,
+            ForInStatement: pushBlock,
+            ForOfStatement: pushBlock,
+
+            "IfStatement:exit": popBlock,
+            "SwitchStatement:exit": popBlock,
+            "TryStatement:exit": popBlock,
+            "DoWhileStatement:exit": popBlock,
+            "WhileStatement:exit": popBlock,
+            "WithStatement:exit": popBlock,
+            "ForStatement:exit": popBlock,
+            "ForInStatement:exit": popBlock,
+            "ForOfStatement:exit": popBlock,
+
+            "FunctionDeclaration:exit": endFunction,
+            "FunctionExpression:exit": endFunction,
+            "ArrowFunctionExpression:exit": endFunction,
+            "Program:exit": endFunction
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/max-len.js b/eslint/lib/rules/max-len.js
new file mode 100644
index 0000000..995e0c5
--- /dev/null
+++ b/eslint/lib/rules/max-len.js
@@ -0,0 +1,422 @@
+/**
+ * @fileoverview Rule to check for max length on a line.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const OPTIONS_SCHEMA = {
+    type: "object",
+    properties: {
+        code: {
+            type: "integer",
+            minimum: 0
+        },
+        comments: {
+            type: "integer",
+            minimum: 0
+        },
+        tabWidth: {
+            type: "integer",
+            minimum: 0
+        },
+        ignorePattern: {
+            type: "string"
+        },
+        ignoreComments: {
+            type: "boolean"
+        },
+        ignoreStrings: {
+            type: "boolean"
+        },
+        ignoreUrls: {
+            type: "boolean"
+        },
+        ignoreTemplateLiterals: {
+            type: "boolean"
+        },
+        ignoreRegExpLiterals: {
+            type: "boolean"
+        },
+        ignoreTrailingComments: {
+            type: "boolean"
+        }
+    },
+    additionalProperties: false
+};
+
+const OPTIONS_OR_INTEGER_SCHEMA = {
+    anyOf: [
+        OPTIONS_SCHEMA,
+        {
+            type: "integer",
+            minimum: 0
+        }
+    ]
+};
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce a maximum line length",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-len"
+        },
+
+        schema: [
+            OPTIONS_OR_INTEGER_SCHEMA,
+            OPTIONS_OR_INTEGER_SCHEMA,
+            OPTIONS_SCHEMA
+        ],
+        messages: {
+            max: "This line has a length of {{lineLength}}. Maximum allowed is {{maxLength}}.",
+            maxComment: "This line has a comment length of {{lineLength}}. Maximum allowed is {{maxCommentLength}}."
+        }
+    },
+
+    create(context) {
+
+        /*
+         * Inspired by http://tools.ietf.org/html/rfc3986#appendix-B, however:
+         * - They're matching an entire string that we know is a URI
+         * - We're matching part of a string where we think there *might* be a URL
+         * - We're only concerned about URLs, as picking out any URI would cause
+         *   too many false positives
+         * - We don't care about matching the entire URL, any small segment is fine
+         */
+        const URL_REGEXP = /[^:/?#]:\/\/[^?#]/u;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Computes the length of a line that may contain tabs. The width of each
+         * tab will be the number of spaces to the next tab stop.
+         * @param {string} line The line.
+         * @param {int} tabWidth The width of each tab stop in spaces.
+         * @returns {int} The computed line length.
+         * @private
+         */
+        function computeLineLength(line, tabWidth) {
+            let extraCharacterCount = 0;
+
+            line.replace(/\t/gu, (match, offset) => {
+                const totalOffset = offset + extraCharacterCount,
+                    previousTabStopOffset = tabWidth ? totalOffset % tabWidth : 0,
+                    spaceCount = tabWidth - previousTabStopOffset;
+
+                extraCharacterCount += spaceCount - 1; // -1 for the replaced tab
+            });
+            return Array.from(line).length + extraCharacterCount;
+        }
+
+        // The options object must be the last option specified…
+        const options = Object.assign({}, context.options[context.options.length - 1]);
+
+        // …but max code length…
+        if (typeof context.options[0] === "number") {
+            options.code = context.options[0];
+        }
+
+        // …and tabWidth can be optionally specified directly as integers.
+        if (typeof context.options[1] === "number") {
+            options.tabWidth = context.options[1];
+        }
+
+        const maxLength = typeof options.code === "number" ? options.code : 80,
+            tabWidth = typeof options.tabWidth === "number" ? options.tabWidth : 4,
+            ignoreComments = !!options.ignoreComments,
+            ignoreStrings = !!options.ignoreStrings,
+            ignoreTemplateLiterals = !!options.ignoreTemplateLiterals,
+            ignoreRegExpLiterals = !!options.ignoreRegExpLiterals,
+            ignoreTrailingComments = !!options.ignoreTrailingComments || !!options.ignoreComments,
+            ignoreUrls = !!options.ignoreUrls,
+            maxCommentLength = options.comments;
+        let ignorePattern = options.ignorePattern || null;
+
+        if (ignorePattern) {
+            ignorePattern = new RegExp(ignorePattern, "u");
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Tells if a given comment is trailing: it starts on the current line and
+         * extends to or past the end of the current line.
+         * @param {string} line The source line we want to check for a trailing comment on
+         * @param {number} lineNumber The one-indexed line number for line
+         * @param {ASTNode} comment The comment to inspect
+         * @returns {boolean} If the comment is trailing on the given line
+         */
+        function isTrailingComment(line, lineNumber, comment) {
+            return comment &&
+                (comment.loc.start.line === lineNumber && lineNumber <= comment.loc.end.line) &&
+                (comment.loc.end.line > lineNumber || comment.loc.end.column === line.length);
+        }
+
+        /**
+         * Tells if a comment encompasses the entire line.
+         * @param {string} line The source line with a trailing comment
+         * @param {number} lineNumber The one-indexed line number this is on
+         * @param {ASTNode} comment The comment to remove
+         * @returns {boolean} If the comment covers the entire line
+         */
+        function isFullLineComment(line, lineNumber, comment) {
+            const start = comment.loc.start,
+                end = comment.loc.end,
+                isFirstTokenOnLine = !line.slice(0, comment.loc.start.column).trim();
+
+            return comment &&
+                (start.line < lineNumber || (start.line === lineNumber && isFirstTokenOnLine)) &&
+                (end.line > lineNumber || (end.line === lineNumber && end.column === line.length));
+        }
+
+        /**
+         * Check if a node is a JSXEmptyExpression contained in a single line JSXExpressionContainer.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} True if the node is a JSXEmptyExpression contained in a single line JSXExpressionContainer.
+         */
+        function isJSXEmptyExpressionInSingleLineContainer(node) {
+            if (!node || !node.parent || node.type !== "JSXEmptyExpression" || node.parent.type !== "JSXExpressionContainer") {
+                return false;
+            }
+
+            const parent = node.parent;
+
+            return parent.loc.start.line === parent.loc.end.line;
+        }
+
+        /**
+         * Gets the line after the comment and any remaining trailing whitespace is
+         * stripped.
+         * @param {string} line The source line with a trailing comment
+         * @param {ASTNode} comment The comment to remove
+         * @returns {string} Line without comment and trailing whitespace
+         */
+        function stripTrailingComment(line, comment) {
+
+            // loc.column is zero-indexed
+            return line.slice(0, comment.loc.start.column).replace(/\s+$/u, "");
+        }
+
+        /**
+         * Ensure that an array exists at [key] on `object`, and add `value` to it.
+         * @param {Object} object the object to mutate
+         * @param {string} key the object's key
+         * @param {*} value the value to add
+         * @returns {void}
+         * @private
+         */
+        function ensureArrayAndPush(object, key, value) {
+            if (!Array.isArray(object[key])) {
+                object[key] = [];
+            }
+            object[key].push(value);
+        }
+
+        /**
+         * Retrieves an array containing all strings (" or ') in the source code.
+         * @returns {ASTNode[]} An array of string nodes.
+         */
+        function getAllStrings() {
+            return sourceCode.ast.tokens.filter(token => (token.type === "String" ||
+                (token.type === "JSXText" && sourceCode.getNodeByRangeIndex(token.range[0] - 1).type === "JSXAttribute")));
+        }
+
+        /**
+         * Retrieves an array containing all template literals in the source code.
+         * @returns {ASTNode[]} An array of template literal nodes.
+         */
+        function getAllTemplateLiterals() {
+            return sourceCode.ast.tokens.filter(token => token.type === "Template");
+        }
+
+
+        /**
+         * Retrieves an array containing all RegExp literals in the source code.
+         * @returns {ASTNode[]} An array of RegExp literal nodes.
+         */
+        function getAllRegExpLiterals() {
+            return sourceCode.ast.tokens.filter(token => token.type === "RegularExpression");
+        }
+
+
+        /**
+         * A reducer to group an AST node by line number, both start and end.
+         * @param {Object} acc the accumulator
+         * @param {ASTNode} node the AST node in question
+         * @returns {Object} the modified accumulator
+         * @private
+         */
+        function groupByLineNumber(acc, node) {
+            for (let i = node.loc.start.line; i <= node.loc.end.line; ++i) {
+                ensureArrayAndPush(acc, i, node);
+            }
+            return acc;
+        }
+
+        /**
+         * Returns an array of all comments in the source code.
+         * If the element in the array is a JSXEmptyExpression contained with a single line JSXExpressionContainer,
+         * the element is changed with JSXExpressionContainer node.
+         * @returns {ASTNode[]} An array of comment nodes
+         */
+        function getAllComments() {
+            const comments = [];
+
+            sourceCode.getAllComments()
+                .forEach(commentNode => {
+                    const containingNode = sourceCode.getNodeByRangeIndex(commentNode.range[0]);
+
+                    if (isJSXEmptyExpressionInSingleLineContainer(containingNode)) {
+
+                        // push a unique node only
+                        if (comments[comments.length - 1] !== containingNode.parent) {
+                            comments.push(containingNode.parent);
+                        }
+                    } else {
+                        comments.push(commentNode);
+                    }
+                });
+
+            return comments;
+        }
+
+        /**
+         * Check the program for max length
+         * @param {ASTNode} node Node to examine
+         * @returns {void}
+         * @private
+         */
+        function checkProgramForMaxLength(node) {
+
+            // split (honors line-ending)
+            const lines = sourceCode.lines,
+
+                // list of comments to ignore
+                comments = ignoreComments || maxCommentLength || ignoreTrailingComments ? getAllComments() : [];
+
+            // we iterate over comments in parallel with the lines
+            let commentsIndex = 0;
+
+            const strings = getAllStrings();
+            const stringsByLine = strings.reduce(groupByLineNumber, {});
+
+            const templateLiterals = getAllTemplateLiterals();
+            const templateLiteralsByLine = templateLiterals.reduce(groupByLineNumber, {});
+
+            const regExpLiterals = getAllRegExpLiterals();
+            const regExpLiteralsByLine = regExpLiterals.reduce(groupByLineNumber, {});
+
+            lines.forEach((line, i) => {
+
+                // i is zero-indexed, line numbers are one-indexed
+                const lineNumber = i + 1;
+
+                /*
+                 * if we're checking comment length; we need to know whether this
+                 * line is a comment
+                 */
+                let lineIsComment = false;
+                let textToMeasure;
+
+                /*
+                 * We can short-circuit the comment checks if we're already out of
+                 * comments to check.
+                 */
+                if (commentsIndex < comments.length) {
+                    let comment = null;
+
+                    // iterate over comments until we find one past the current line
+                    do {
+                        comment = comments[++commentsIndex];
+                    } while (comment && comment.loc.start.line <= lineNumber);
+
+                    // and step back by one
+                    comment = comments[--commentsIndex];
+
+                    if (isFullLineComment(line, lineNumber, comment)) {
+                        lineIsComment = true;
+                        textToMeasure = line;
+                    } else if (ignoreTrailingComments && isTrailingComment(line, lineNumber, comment)) {
+                        textToMeasure = stripTrailingComment(line, comment);
+
+                        // ignore multiple trailing comments in the same line
+                        let lastIndex = commentsIndex;
+
+                        while (isTrailingComment(textToMeasure, lineNumber, comments[--lastIndex])) {
+                            textToMeasure = stripTrailingComment(textToMeasure, comments[lastIndex]);
+                        }
+                    } else {
+                        textToMeasure = line;
+                    }
+                } else {
+                    textToMeasure = line;
+                }
+                if (ignorePattern && ignorePattern.test(textToMeasure) ||
+                    ignoreUrls && URL_REGEXP.test(textToMeasure) ||
+                    ignoreStrings && stringsByLine[lineNumber] ||
+                    ignoreTemplateLiterals && templateLiteralsByLine[lineNumber] ||
+                    ignoreRegExpLiterals && regExpLiteralsByLine[lineNumber]
+                ) {
+
+                    // ignore this line
+                    return;
+                }
+
+                const lineLength = computeLineLength(textToMeasure, tabWidth);
+                const commentLengthApplies = lineIsComment && maxCommentLength;
+
+                if (lineIsComment && ignoreComments) {
+                    return;
+                }
+
+                if (commentLengthApplies) {
+                    if (lineLength > maxCommentLength) {
+                        context.report({
+                            node,
+                            loc: { line: lineNumber, column: 0 },
+                            messageId: "maxComment",
+                            data: {
+                                lineLength,
+                                maxCommentLength
+                            }
+                        });
+                    }
+                } else if (lineLength > maxLength) {
+                    context.report({
+                        node,
+                        loc: { line: lineNumber, column: 0 },
+                        messageId: "max",
+                        data: {
+                            lineLength,
+                            maxLength
+                        }
+                    });
+                }
+            });
+        }
+
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: checkProgramForMaxLength
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/max-lines-per-function.js b/eslint/lib/rules/max-lines-per-function.js
new file mode 100644
index 0000000..03539fa
--- /dev/null
+++ b/eslint/lib/rules/max-lines-per-function.js
@@ -0,0 +1,214 @@
+/**
+ * @fileoverview A rule to set the maximum number of line of code in a function.
+ * @author Pete Ward <peteward44@gmail.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const OPTIONS_SCHEMA = {
+    type: "object",
+    properties: {
+        max: {
+            type: "integer",
+            minimum: 0
+        },
+        skipComments: {
+            type: "boolean"
+        },
+        skipBlankLines: {
+            type: "boolean"
+        },
+        IIFEs: {
+            type: "boolean"
+        }
+    },
+    additionalProperties: false
+};
+
+const OPTIONS_OR_INTEGER_SCHEMA = {
+    oneOf: [
+        OPTIONS_SCHEMA,
+        {
+            type: "integer",
+            minimum: 1
+        }
+    ]
+};
+
+/**
+ * Given a list of comment nodes, return a map with numeric keys (source code line numbers) and comment token values.
+ * @param {Array} comments An array of comment nodes.
+ * @returns {Map.<string,Node>} A map with numeric keys (source code line numbers) and comment token values.
+ */
+function getCommentLineNumbers(comments) {
+    const map = new Map();
+
+    comments.forEach(comment => {
+        for (let i = comment.loc.start.line; i <= comment.loc.end.line; i++) {
+            map.set(i, comment);
+        }
+    });
+    return map;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum number of line of code in a function",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-lines-per-function"
+        },
+
+        schema: [
+            OPTIONS_OR_INTEGER_SCHEMA
+        ],
+        messages: {
+            exceed: "{{name}} has too many lines ({{lineCount}}). Maximum allowed is {{maxLines}}."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const lines = sourceCode.lines;
+
+        const option = context.options[0];
+        let maxLines = 50;
+        let skipComments = false;
+        let skipBlankLines = false;
+        let IIFEs = false;
+
+        if (typeof option === "object") {
+            maxLines = typeof option.max === "number" ? option.max : 50;
+            skipComments = !!option.skipComments;
+            skipBlankLines = !!option.skipBlankLines;
+            IIFEs = !!option.IIFEs;
+        } else if (typeof option === "number") {
+            maxLines = option;
+        }
+
+        const commentLineNumbers = getCommentLineNumbers(sourceCode.getAllComments());
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Tells if a comment encompasses the entire line.
+         * @param {string} line The source line with a trailing comment
+         * @param {number} lineNumber The one-indexed line number this is on
+         * @param {ASTNode} comment The comment to remove
+         * @returns {boolean} If the comment covers the entire line
+         */
+        function isFullLineComment(line, lineNumber, comment) {
+            const start = comment.loc.start,
+                end = comment.loc.end,
+                isFirstTokenOnLine = start.line === lineNumber && !line.slice(0, start.column).trim(),
+                isLastTokenOnLine = end.line === lineNumber && !line.slice(end.column).trim();
+
+            return comment &&
+                (start.line < lineNumber || isFirstTokenOnLine) &&
+                (end.line > lineNumber || isLastTokenOnLine);
+        }
+
+        /**
+         * Identifies is a node is a FunctionExpression which is part of an IIFE
+         * @param {ASTNode} node Node to test
+         * @returns {boolean} True if it's an IIFE
+         */
+        function isIIFE(node) {
+            return node.type === "FunctionExpression" && node.parent && node.parent.type === "CallExpression" && node.parent.callee === node;
+        }
+
+        /**
+         * Identifies is a node is a FunctionExpression which is embedded within a MethodDefinition or Property
+         * @param {ASTNode} node Node to test
+         * @returns {boolean} True if it's a FunctionExpression embedded within a MethodDefinition or Property
+         */
+        function isEmbedded(node) {
+            if (!node.parent) {
+                return false;
+            }
+            if (node !== node.parent.value) {
+                return false;
+            }
+            if (node.parent.type === "MethodDefinition") {
+                return true;
+            }
+            if (node.parent.type === "Property") {
+                return node.parent.method === true || node.parent.kind === "get" || node.parent.kind === "set";
+            }
+            return false;
+        }
+
+        /**
+         * Count the lines in the function
+         * @param {ASTNode} funcNode Function AST node
+         * @returns {void}
+         * @private
+         */
+        function processFunction(funcNode) {
+            const node = isEmbedded(funcNode) ? funcNode.parent : funcNode;
+
+            if (!IIFEs && isIIFE(node)) {
+                return;
+            }
+            let lineCount = 0;
+
+            for (let i = node.loc.start.line - 1; i < node.loc.end.line; ++i) {
+                const line = lines[i];
+
+                if (skipComments) {
+                    if (commentLineNumbers.has(i + 1) && isFullLineComment(line, i + 1, commentLineNumbers.get(i + 1))) {
+                        continue;
+                    }
+                }
+
+                if (skipBlankLines) {
+                    if (line.match(/^\s*$/u)) {
+                        continue;
+                    }
+                }
+
+                lineCount++;
+            }
+
+            if (lineCount > maxLines) {
+                const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(funcNode));
+
+                context.report({
+                    node,
+                    messageId: "exceed",
+                    data: { name, lineCount, maxLines }
+                });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            FunctionDeclaration: processFunction,
+            FunctionExpression: processFunction,
+            ArrowFunctionExpression: processFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/max-lines.js b/eslint/lib/rules/max-lines.js
new file mode 100644
index 0000000..299377b
--- /dev/null
+++ b/eslint/lib/rules/max-lines.js
@@ -0,0 +1,148 @@
+/**
+ * @fileoverview enforce a maximum file length
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum number of lines per file",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-lines"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            skipComments: {
+                                type: "boolean"
+                            },
+                            skipBlankLines: {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            exceed: "File has too many lines ({{actual}}). Maximum allowed is {{max}}."
+        }
+    },
+
+    create(context) {
+        const option = context.options[0];
+        let max = 300;
+
+        if (typeof option === "object" && Object.prototype.hasOwnProperty.call(option, "max")) {
+            max = option.max;
+        } else if (typeof option === "number") {
+            max = option;
+        }
+
+        const skipComments = option && option.skipComments;
+        const skipBlankLines = option && option.skipBlankLines;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Returns whether or not a token is a comment node type
+         * @param {Token} token The token to check
+         * @returns {boolean} True if the token is a comment node
+         */
+        function isCommentNodeType(token) {
+            return token && (token.type === "Block" || token.type === "Line");
+        }
+
+        /**
+         * Returns the line numbers of a comment that don't have any code on the same line
+         * @param {Node} comment The comment node to check
+         * @returns {number[]} The line numbers
+         */
+        function getLinesWithoutCode(comment) {
+            let start = comment.loc.start.line;
+            let end = comment.loc.end.line;
+
+            let token;
+
+            token = comment;
+            do {
+                token = sourceCode.getTokenBefore(token, { includeComments: true });
+            } while (isCommentNodeType(token));
+
+            if (token && astUtils.isTokenOnSameLine(token, comment)) {
+                start += 1;
+            }
+
+            token = comment;
+            do {
+                token = sourceCode.getTokenAfter(token, { includeComments: true });
+            } while (isCommentNodeType(token));
+
+            if (token && astUtils.isTokenOnSameLine(comment, token)) {
+                end -= 1;
+            }
+
+            if (start <= end) {
+                return lodash.range(start, end + 1);
+            }
+            return [];
+        }
+
+        return {
+            "Program:exit"() {
+                let lines = sourceCode.lines.map((text, i) => ({ lineNumber: i + 1, text }));
+
+                if (skipBlankLines) {
+                    lines = lines.filter(l => l.text.trim() !== "");
+                }
+
+                if (skipComments) {
+                    const comments = sourceCode.getAllComments();
+
+                    const commentLines = lodash.flatten(comments.map(comment => getLinesWithoutCode(comment)));
+
+                    lines = lines.filter(l => !lodash.includes(commentLines, l.lineNumber));
+                }
+
+                if (lines.length > max) {
+                    context.report({
+                        loc: { line: 1, column: 0 },
+                        messageId: "exceed",
+                        data: {
+                            max,
+                            actual: lines.length
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/max-nested-callbacks.js b/eslint/lib/rules/max-nested-callbacks.js
new file mode 100644
index 0000000..df1bace
--- /dev/null
+++ b/eslint/lib/rules/max-nested-callbacks.js
@@ -0,0 +1,117 @@
+/**
+ * @fileoverview Rule to enforce a maximum number of nested callbacks.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum depth that callbacks can be nested",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-nested-callbacks"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            maximum: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            exceed: "Too many nested callbacks ({{num}}). Maximum allowed is {{max}}."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Constants
+        //--------------------------------------------------------------------------
+        const option = context.options[0];
+        let THRESHOLD = 10;
+
+        if (
+            typeof option === "object" &&
+            (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))
+        ) {
+            THRESHOLD = option.maximum || option.max;
+        } else if (typeof option === "number") {
+            THRESHOLD = option;
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const callbackStack = [];
+
+        /**
+         * Checks a given function node for too many callbacks.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkFunction(node) {
+            const parent = node.parent;
+
+            if (parent.type === "CallExpression") {
+                callbackStack.push(node);
+            }
+
+            if (callbackStack.length > THRESHOLD) {
+                const opts = { num: callbackStack.length, max: THRESHOLD };
+
+                context.report({ node, messageId: "exceed", data: opts });
+            }
+        }
+
+        /**
+         * Pops the call stack.
+         * @returns {void}
+         * @private
+         */
+        function popStack() {
+            callbackStack.pop();
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            ArrowFunctionExpression: checkFunction,
+            "ArrowFunctionExpression:exit": popStack,
+
+            FunctionExpression: checkFunction,
+            "FunctionExpression:exit": popStack
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/max-params.js b/eslint/lib/rules/max-params.js
new file mode 100644
index 0000000..4eebe2d
--- /dev/null
+++ b/eslint/lib/rules/max-params.js
@@ -0,0 +1,103 @@
+/**
+ * @fileoverview Rule to flag when a function has too many parameters
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum number of parameters in function definitions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-params"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            maximum: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            exceed: "{{name}} has too many parameters ({{count}}). Maximum allowed is {{max}}."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const option = context.options[0];
+        let numParams = 3;
+
+        if (
+            typeof option === "object" &&
+            (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))
+        ) {
+            numParams = option.maximum || option.max;
+        }
+        if (typeof option === "number") {
+            numParams = option;
+        }
+
+        /**
+         * Checks a function to see if it has too many parameters.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkFunction(node) {
+            if (node.params.length > numParams) {
+                context.report({
+                    loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+                    node,
+                    messageId: "exceed",
+                    data: {
+                        name: lodash.upperFirst(astUtils.getFunctionNameWithKind(node)),
+                        count: node.params.length,
+                        max: numParams
+                    }
+                });
+            }
+        }
+
+        return {
+            FunctionDeclaration: checkFunction,
+            ArrowFunctionExpression: checkFunction,
+            FunctionExpression: checkFunction
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/max-statements-per-line.js b/eslint/lib/rules/max-statements-per-line.js
new file mode 100644
index 0000000..5407cff
--- /dev/null
+++ b/eslint/lib/rules/max-statements-per-line.js
@@ -0,0 +1,196 @@
+/**
+ * @fileoverview Specify the maximum number of statements allowed per line.
+ * @author Kenneth Williams
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce a maximum number of statements allowed per line",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-statements-per-line"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    max: {
+                        type: "integer",
+                        minimum: 1,
+                        default: 1
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            exceed: "This line has {{numberOfStatementsOnThisLine}} {{statements}}. Maximum allowed is {{maxStatementsPerLine}}."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode(),
+            options = context.options[0] || {},
+            maxStatementsPerLine = typeof options.max !== "undefined" ? options.max : 1;
+
+        let lastStatementLine = 0,
+            numberOfStatementsOnThisLine = 0,
+            firstExtraStatement;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const SINGLE_CHILD_ALLOWED = /^(?:(?:DoWhile|For|ForIn|ForOf|If|Labeled|While)Statement|Export(?:Default|Named)Declaration)$/u;
+
+        /**
+         * Reports with the first extra statement, and clears it.
+         * @returns {void}
+         */
+        function reportFirstExtraStatementAndClear() {
+            if (firstExtraStatement) {
+                context.report({
+                    node: firstExtraStatement,
+                    messageId: "exceed",
+                    data: {
+                        numberOfStatementsOnThisLine,
+                        maxStatementsPerLine,
+                        statements: numberOfStatementsOnThisLine === 1 ? "statement" : "statements"
+                    }
+                });
+            }
+            firstExtraStatement = null;
+        }
+
+        /**
+         * Gets the actual last token of a given node.
+         * @param {ASTNode} node A node to get. This is a node except EmptyStatement.
+         * @returns {Token} The actual last token.
+         */
+        function getActualLastToken(node) {
+            return sourceCode.getLastToken(node, astUtils.isNotSemicolonToken);
+        }
+
+        /**
+         * Addresses a given node.
+         * It updates the state of this rule, then reports the node if the node violated this rule.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function enterStatement(node) {
+            const line = node.loc.start.line;
+
+            /*
+             * Skip to allow non-block statements if this is direct child of control statements.
+             * `if (a) foo();` is counted as 1.
+             * But `if (a) foo(); else foo();` should be counted as 2.
+             */
+            if (SINGLE_CHILD_ALLOWED.test(node.parent.type) &&
+                node.parent.alternate !== node
+            ) {
+                return;
+            }
+
+            // Update state.
+            if (line === lastStatementLine) {
+                numberOfStatementsOnThisLine += 1;
+            } else {
+                reportFirstExtraStatementAndClear();
+                numberOfStatementsOnThisLine = 1;
+                lastStatementLine = line;
+            }
+
+            // Reports if the node violated this rule.
+            if (numberOfStatementsOnThisLine === maxStatementsPerLine + 1) {
+                firstExtraStatement = firstExtraStatement || node;
+            }
+        }
+
+        /**
+         * Updates the state of this rule with the end line of leaving node to check with the next statement.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function leaveStatement(node) {
+            const line = getActualLastToken(node).loc.end.line;
+
+            // Update state.
+            if (line !== lastStatementLine) {
+                reportFirstExtraStatementAndClear();
+                numberOfStatementsOnThisLine = 1;
+                lastStatementLine = line;
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            BreakStatement: enterStatement,
+            ClassDeclaration: enterStatement,
+            ContinueStatement: enterStatement,
+            DebuggerStatement: enterStatement,
+            DoWhileStatement: enterStatement,
+            ExpressionStatement: enterStatement,
+            ForInStatement: enterStatement,
+            ForOfStatement: enterStatement,
+            ForStatement: enterStatement,
+            FunctionDeclaration: enterStatement,
+            IfStatement: enterStatement,
+            ImportDeclaration: enterStatement,
+            LabeledStatement: enterStatement,
+            ReturnStatement: enterStatement,
+            SwitchStatement: enterStatement,
+            ThrowStatement: enterStatement,
+            TryStatement: enterStatement,
+            VariableDeclaration: enterStatement,
+            WhileStatement: enterStatement,
+            WithStatement: enterStatement,
+            ExportNamedDeclaration: enterStatement,
+            ExportDefaultDeclaration: enterStatement,
+            ExportAllDeclaration: enterStatement,
+
+            "BreakStatement:exit": leaveStatement,
+            "ClassDeclaration:exit": leaveStatement,
+            "ContinueStatement:exit": leaveStatement,
+            "DebuggerStatement:exit": leaveStatement,
+            "DoWhileStatement:exit": leaveStatement,
+            "ExpressionStatement:exit": leaveStatement,
+            "ForInStatement:exit": leaveStatement,
+            "ForOfStatement:exit": leaveStatement,
+            "ForStatement:exit": leaveStatement,
+            "FunctionDeclaration:exit": leaveStatement,
+            "IfStatement:exit": leaveStatement,
+            "ImportDeclaration:exit": leaveStatement,
+            "LabeledStatement:exit": leaveStatement,
+            "ReturnStatement:exit": leaveStatement,
+            "SwitchStatement:exit": leaveStatement,
+            "ThrowStatement:exit": leaveStatement,
+            "TryStatement:exit": leaveStatement,
+            "VariableDeclaration:exit": leaveStatement,
+            "WhileStatement:exit": leaveStatement,
+            "WithStatement:exit": leaveStatement,
+            "ExportNamedDeclaration:exit": leaveStatement,
+            "ExportDefaultDeclaration:exit": leaveStatement,
+            "ExportAllDeclaration:exit": leaveStatement,
+            "Program:exit": reportFirstExtraStatementAndClear
+        };
+    }
+};
diff --git a/eslint/lib/rules/max-statements.js b/eslint/lib/rules/max-statements.js
new file mode 100644
index 0000000..437b393
--- /dev/null
+++ b/eslint/lib/rules/max-statements.js
@@ -0,0 +1,175 @@
+/**
+ * @fileoverview A rule to set the maximum number of statements in a function.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a maximum number of statements allowed in function blocks",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/max-statements"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            maximum: {
+                                type: "integer",
+                                minimum: 0
+                            },
+                            max: {
+                                type: "integer",
+                                minimum: 0
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            },
+            {
+                type: "object",
+                properties: {
+                    ignoreTopLevelFunctions: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            exceed: "{{name}} has too many statements ({{count}}). Maximum allowed is {{max}}."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const functionStack = [],
+            option = context.options[0],
+            ignoreTopLevelFunctions = context.options[1] && context.options[1].ignoreTopLevelFunctions || false,
+            topLevelFunctions = [];
+        let maxStatements = 10;
+
+        if (
+            typeof option === "object" &&
+            (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))
+        ) {
+            maxStatements = option.maximum || option.max;
+        } else if (typeof option === "number") {
+            maxStatements = option;
+        }
+
+        /**
+         * Reports a node if it has too many statements
+         * @param {ASTNode} node node to evaluate
+         * @param {int} count Number of statements in node
+         * @param {int} max Maximum number of statements allowed
+         * @returns {void}
+         * @private
+         */
+        function reportIfTooManyStatements(node, count, max) {
+            if (count > max) {
+                const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(node));
+
+                context.report({
+                    node,
+                    messageId: "exceed",
+                    data: { name, count, max }
+                });
+            }
+        }
+
+        /**
+         * When parsing a new function, store it in our function stack
+         * @returns {void}
+         * @private
+         */
+        function startFunction() {
+            functionStack.push(0);
+        }
+
+        /**
+         * Evaluate the node at the end of function
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function endFunction(node) {
+            const count = functionStack.pop();
+
+            if (ignoreTopLevelFunctions && functionStack.length === 0) {
+                topLevelFunctions.push({ node, count });
+            } else {
+                reportIfTooManyStatements(node, count, maxStatements);
+            }
+        }
+
+        /**
+         * Increment the count of the functions
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function countStatements(node) {
+            functionStack[functionStack.length - 1] += node.body.length;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            FunctionDeclaration: startFunction,
+            FunctionExpression: startFunction,
+            ArrowFunctionExpression: startFunction,
+
+            BlockStatement: countStatements,
+
+            "FunctionDeclaration:exit": endFunction,
+            "FunctionExpression:exit": endFunction,
+            "ArrowFunctionExpression:exit": endFunction,
+
+            "Program:exit"() {
+                if (topLevelFunctions.length === 1) {
+                    return;
+                }
+
+                topLevelFunctions.forEach(element => {
+                    const count = element.count;
+                    const node = element.node;
+
+                    reportIfTooManyStatements(node, count, maxStatements);
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/multiline-comment-style.js b/eslint/lib/rules/multiline-comment-style.js
new file mode 100644
index 0000000..9524818
--- /dev/null
+++ b/eslint/lib/rules/multiline-comment-style.js
@@ -0,0 +1,435 @@
+/**
+ * @fileoverview enforce a particular style for multiline comments
+ * @author Teddy Katz
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce a particular style for multiline comments",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/multiline-comment-style"
+        },
+
+        fixable: "whitespace",
+        schema: [{ enum: ["starred-block", "separate-lines", "bare-block"] }],
+        messages: {
+            expectedBlock: "Expected a block comment instead of consecutive line comments.",
+            expectedBareBlock: "Expected a block comment without padding stars.",
+            startNewline: "Expected a linebreak after '/*'.",
+            endNewline: "Expected a linebreak before '*/'.",
+            missingStar: "Expected a '*' at the start of this line.",
+            alignment: "Expected this line to be aligned with the start of the comment.",
+            expectedLines: "Expected multiple line comments instead of a block comment."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const option = context.options[0] || "starred-block";
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Checks if a comment line is starred.
+         * @param {string} line A string representing a comment line.
+         * @returns {boolean} Whether or not the comment line is starred.
+         */
+        function isStarredCommentLine(line) {
+            return /^\s*\*/u.test(line);
+        }
+
+        /**
+         * Checks if a comment group is in starred-block form.
+         * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment.
+         * @returns {boolean} Whether or not the comment group is in starred block form.
+         */
+        function isStarredBlockComment([firstComment]) {
+            if (firstComment.type !== "Block") {
+                return false;
+            }
+
+            const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);
+
+            // The first and last lines can only contain whitespace.
+            return lines.length > 0 && lines.every((line, i) => (i === 0 || i === lines.length - 1 ? /^\s*$/u : /^\s*\*/u).test(line));
+        }
+
+        /**
+         * Checks if a comment group is in JSDoc form.
+         * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment.
+         * @returns {boolean} Whether or not the comment group is in JSDoc form.
+         */
+        function isJSDocComment([firstComment]) {
+            if (firstComment.type !== "Block") {
+                return false;
+            }
+
+            const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);
+
+            return /^\*\s*$/u.test(lines[0]) &&
+                lines.slice(1, -1).every(line => /^\s* /u.test(line)) &&
+                /^\s*$/u.test(lines[lines.length - 1]);
+        }
+
+        /**
+         * Processes a comment group that is currently in separate-line form, calculating the offset for each line.
+         * @param {Token[]} commentGroup A group of comments containing multiple line comments.
+         * @returns {string[]} An array of the processed lines.
+         */
+        function processSeparateLineComments(commentGroup) {
+            const allLinesHaveLeadingSpace = commentGroup
+                .map(({ value }) => value)
+                .filter(line => line.trim().length)
+                .every(line => line.startsWith(" "));
+
+            return commentGroup.map(({ value }) => (allLinesHaveLeadingSpace ? value.replace(/^ /u, "") : value));
+        }
+
+        /**
+         * Processes a comment group that is currently in starred-block form, calculating the offset for each line.
+         * @param {Token} comment A single block comment token in starred-block form.
+         * @returns {string[]} An array of the processed lines.
+         */
+        function processStarredBlockComment(comment) {
+            const lines = comment.value.split(astUtils.LINEBREAK_MATCHER)
+                .filter((line, i, linesArr) => !(i === 0 || i === linesArr.length - 1))
+                .map(line => line.replace(/^\s*$/u, ""));
+            const allLinesHaveLeadingSpace = lines
+                .map(line => line.replace(/\s*\*/u, ""))
+                .filter(line => line.trim().length)
+                .every(line => line.startsWith(" "));
+
+            return lines.map(line => line.replace(allLinesHaveLeadingSpace ? /\s*\* ?/u : /\s*\*/u, ""));
+        }
+
+        /**
+         * Processes a comment group that is currently in bare-block form, calculating the offset for each line.
+         * @param {Token} comment A single block comment token in bare-block form.
+         * @returns {string[]} An array of the processed lines.
+         */
+        function processBareBlockComment(comment) {
+            const lines = comment.value.split(astUtils.LINEBREAK_MATCHER).map(line => line.replace(/^\s*$/u, ""));
+            const leadingWhitespace = `${sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0])}   `;
+            let offset = "";
+
+            /*
+             * Calculate the offset of the least indented line and use that as the basis for offsetting all the lines.
+             * The first line should not be checked because it is inline with the opening block comment delimiter.
+             */
+            for (const [i, line] of lines.entries()) {
+                if (!line.trim().length || i === 0) {
+                    continue;
+                }
+
+                const [, lineOffset] = line.match(/^(\s*\*?\s*)/u);
+
+                if (lineOffset.length < leadingWhitespace.length) {
+                    const newOffset = leadingWhitespace.slice(lineOffset.length - leadingWhitespace.length);
+
+                    if (newOffset.length > offset.length) {
+                        offset = newOffset;
+                    }
+                }
+            }
+
+            return lines.map(line => {
+                const match = line.match(/^(\s*\*?\s*)(.*)/u);
+                const [, lineOffset, lineContents] = match;
+
+                if (lineOffset.length > leadingWhitespace.length) {
+                    return `${lineOffset.slice(leadingWhitespace.length - (offset.length + lineOffset.length))}${lineContents}`;
+                }
+
+                if (lineOffset.length < leadingWhitespace.length) {
+                    return `${lineOffset.slice(leadingWhitespace.length)}${lineContents}`;
+                }
+
+                return lineContents;
+            });
+        }
+
+        /**
+         * Gets a list of comment lines in a group, formatting leading whitespace as necessary.
+         * @param {Token[]} commentGroup A group of comments containing either multiple line comments or a single block comment.
+         * @returns {string[]} A list of comment lines.
+         */
+        function getCommentLines(commentGroup) {
+            const [firstComment] = commentGroup;
+
+            if (firstComment.type === "Line") {
+                return processSeparateLineComments(commentGroup);
+            }
+
+            if (isStarredBlockComment(commentGroup)) {
+                return processStarredBlockComment(firstComment);
+            }
+
+            return processBareBlockComment(firstComment);
+        }
+
+        /**
+         * Gets the initial offset (whitespace) from the beginning of a line to a given comment token.
+         * @param {Token} comment The token to check.
+         * @returns {string} The offset from the beginning of a line to the token.
+         */
+        function getInitialOffset(comment) {
+            return sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0]);
+        }
+
+        /**
+         * Converts a comment into starred-block form
+         * @param {Token} firstComment The first comment of the group being converted
+         * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+         * @returns {string} A representation of the comment value in starred-block form, excluding start and end markers
+         */
+        function convertToStarredBlock(firstComment, commentLinesList) {
+            const initialOffset = getInitialOffset(firstComment);
+
+            return `/*\n${commentLinesList.map(line => `${initialOffset} * ${line}`).join("\n")}\n${initialOffset} */`;
+        }
+
+        /**
+         * Converts a comment into separate-line form
+         * @param {Token} firstComment The first comment of the group being converted
+         * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+         * @returns {string} A representation of the comment value in separate-line form
+         */
+        function convertToSeparateLines(firstComment, commentLinesList) {
+            return commentLinesList.map(line => `// ${line}`).join(`\n${getInitialOffset(firstComment)}`);
+        }
+
+        /**
+         * Converts a comment into bare-block form
+         * @param {Token} firstComment The first comment of the group being converted
+         * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+         * @returns {string} A representation of the comment value in bare-block form
+         */
+        function convertToBlock(firstComment, commentLinesList) {
+            return `/* ${commentLinesList.join(`\n${getInitialOffset(firstComment)}   `)} */`;
+        }
+
+        /**
+         * Each method checks a group of comments to see if it's valid according to the given option.
+         * @param {Token[]} commentGroup A list of comments that appear together. This will either contain a single
+         * block comment or multiple line comments.
+         * @returns {void}
+         */
+        const commentGroupCheckers = {
+            "starred-block"(commentGroup) {
+                const [firstComment] = commentGroup;
+                const commentLines = getCommentLines(commentGroup);
+
+                if (commentLines.some(value => value.includes("*/"))) {
+                    return;
+                }
+
+                if (commentGroup.length > 1) {
+                    context.report({
+                        loc: {
+                            start: firstComment.loc.start,
+                            end: commentGroup[commentGroup.length - 1].loc.end
+                        },
+                        messageId: "expectedBlock",
+                        fix(fixer) {
+                            const range = [firstComment.range[0], commentGroup[commentGroup.length - 1].range[1]];
+
+                            return commentLines.some(value => value.startsWith("/"))
+                                ? null
+                                : fixer.replaceTextRange(range, convertToStarredBlock(firstComment, commentLines));
+                        }
+                    });
+                } else {
+                    const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);
+                    const expectedLeadingWhitespace = getInitialOffset(firstComment);
+                    const expectedLinePrefix = `${expectedLeadingWhitespace} *`;
+
+                    if (!/^\*?\s*$/u.test(lines[0])) {
+                        const start = firstComment.value.startsWith("*") ? firstComment.range[0] + 1 : firstComment.range[0];
+
+                        context.report({
+                            loc: {
+                                start: firstComment.loc.start,
+                                end: { line: firstComment.loc.start.line, column: firstComment.loc.start.column + 2 }
+                            },
+                            messageId: "startNewline",
+                            fix: fixer => fixer.insertTextAfterRange([start, start + 2], `\n${expectedLinePrefix}`)
+                        });
+                    }
+
+                    if (!/^\s*$/u.test(lines[lines.length - 1])) {
+                        context.report({
+                            loc: {
+                                start: { line: firstComment.loc.end.line, column: firstComment.loc.end.column - 2 },
+                                end: firstComment.loc.end
+                            },
+                            messageId: "endNewline",
+                            fix: fixer => fixer.replaceTextRange([firstComment.range[1] - 2, firstComment.range[1]], `\n${expectedLinePrefix}/`)
+                        });
+                    }
+
+                    for (let lineNumber = firstComment.loc.start.line + 1; lineNumber <= firstComment.loc.end.line; lineNumber++) {
+                        const lineText = sourceCode.lines[lineNumber - 1];
+                        const errorType = isStarredCommentLine(lineText)
+                            ? "alignment"
+                            : "missingStar";
+
+                        if (!lineText.startsWith(expectedLinePrefix)) {
+                            context.report({
+                                loc: {
+                                    start: { line: lineNumber, column: 0 },
+                                    end: { line: lineNumber, column: lineText.length }
+                                },
+                                messageId: errorType,
+                                fix(fixer) {
+                                    const lineStartIndex = sourceCode.getIndexFromLoc({ line: lineNumber, column: 0 });
+
+                                    if (errorType === "alignment") {
+                                        const [, commentTextPrefix = ""] = lineText.match(/^(\s*\*)/u) || [];
+                                        const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
+
+                                        return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], expectedLinePrefix);
+                                    }
+
+                                    const [, commentTextPrefix = ""] = lineText.match(/^(\s*)/u) || [];
+                                    const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
+                                    let offset;
+
+                                    for (const [idx, line] of lines.entries()) {
+                                        if (!/\S+/u.test(line)) {
+                                            continue;
+                                        }
+
+                                        const lineTextToAlignWith = sourceCode.lines[firstComment.loc.start.line - 1 + idx];
+                                        const [, prefix = "", initialOffset = ""] = lineTextToAlignWith.match(/^(\s*(?:\/?\*)?(\s*))/u) || [];
+
+                                        offset = `${commentTextPrefix.slice(prefix.length)}${initialOffset}`;
+
+                                        if (/^\s*\//u.test(lineText) && offset.length === 0) {
+                                            offset += " ";
+                                        }
+                                        break;
+                                    }
+
+                                    return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], `${expectedLinePrefix}${offset}`);
+                                }
+                            });
+                        }
+                    }
+                }
+            },
+            "separate-lines"(commentGroup) {
+                const [firstComment] = commentGroup;
+
+                if (firstComment.type !== "Block" || isJSDocComment(commentGroup)) {
+                    return;
+                }
+
+                const commentLines = getCommentLines(commentGroup);
+                const tokenAfter = sourceCode.getTokenAfter(firstComment, { includeComments: true });
+
+                if (tokenAfter && firstComment.loc.end.line === tokenAfter.loc.start.line) {
+                    return;
+                }
+
+                context.report({
+                    loc: {
+                        start: firstComment.loc.start,
+                        end: { line: firstComment.loc.start.line, column: firstComment.loc.start.column + 2 }
+                    },
+                    messageId: "expectedLines",
+                    fix(fixer) {
+                        return fixer.replaceText(firstComment, convertToSeparateLines(firstComment, commentLines));
+                    }
+                });
+            },
+            "bare-block"(commentGroup) {
+                if (isJSDocComment(commentGroup)) {
+                    return;
+                }
+
+                const [firstComment] = commentGroup;
+                const commentLines = getCommentLines(commentGroup);
+
+                // Disallows consecutive line comments in favor of using a block comment.
+                if (firstComment.type === "Line" && commentLines.length > 1 &&
+                    !commentLines.some(value => value.includes("*/"))) {
+                    context.report({
+                        loc: {
+                            start: firstComment.loc.start,
+                            end: commentGroup[commentGroup.length - 1].loc.end
+                        },
+                        messageId: "expectedBlock",
+                        fix(fixer) {
+                            return fixer.replaceTextRange(
+                                [firstComment.range[0], commentGroup[commentGroup.length - 1].range[1]],
+                                convertToBlock(firstComment, commentLines)
+                            );
+                        }
+                    });
+                }
+
+                // Prohibits block comments from having a * at the beginning of each line.
+                if (isStarredBlockComment(commentGroup)) {
+                    context.report({
+                        loc: {
+                            start: firstComment.loc.start,
+                            end: { line: firstComment.loc.start.line, column: firstComment.loc.start.column + 2 }
+                        },
+                        messageId: "expectedBareBlock",
+                        fix(fixer) {
+                            return fixer.replaceText(firstComment, convertToBlock(firstComment, commentLines));
+                        }
+                    });
+                }
+            }
+        };
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            Program() {
+                return sourceCode.getAllComments()
+                    .filter(comment => comment.type !== "Shebang")
+                    .filter(comment => !astUtils.COMMENTS_IGNORE_PATTERN.test(comment.value))
+                    .filter(comment => {
+                        const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true });
+
+                        return !tokenBefore || tokenBefore.loc.end.line < comment.loc.start.line;
+                    })
+                    .reduce((commentGroups, comment, index, commentList) => {
+                        const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true });
+
+                        if (
+                            comment.type === "Line" &&
+                            index && commentList[index - 1].type === "Line" &&
+                            tokenBefore && tokenBefore.loc.end.line === comment.loc.start.line - 1 &&
+                            tokenBefore === commentList[index - 1]
+                        ) {
+                            commentGroups[commentGroups.length - 1].push(comment);
+                        } else {
+                            commentGroups.push([comment]);
+                        }
+
+                        return commentGroups;
+                    }, [])
+                    .filter(commentGroup => !(commentGroup.length === 1 && commentGroup[0].loc.start.line === commentGroup[0].loc.end.line))
+                    .forEach(commentGroupCheckers[option]);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/multiline-ternary.js b/eslint/lib/rules/multiline-ternary.js
new file mode 100644
index 0000000..1df90b6
--- /dev/null
+++ b/eslint/lib/rules/multiline-ternary.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview Enforce newlines between operands of ternary expressions
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce newlines between operands of ternary expressions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/multiline-ternary"
+        },
+
+        schema: [
+            {
+                enum: ["always", "always-multiline", "never"]
+            }
+        ],
+        messages: {
+            expectedTestCons: "Expected newline between test and consequent of ternary expression.",
+            expectedConsAlt: "Expected newline between consequent and alternate of ternary expression.",
+            unexpectedTestCons: "Unexpected newline between test and consequent of ternary expression.",
+            unexpectedConsAlt: "Unexpected newline between consequent and alternate of ternary expression."
+        }
+    },
+
+    create(context) {
+        const option = context.options[0];
+        const multiline = option !== "never";
+        const allowSingleLine = option === "always-multiline";
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Tests whether node is preceded by supplied tokens
+         * @param {ASTNode} node node to check
+         * @param {ASTNode} parentNode parent of node to report
+         * @param {boolean} expected whether newline was expected or not
+         * @returns {void}
+         * @private
+         */
+        function reportError(node, parentNode, expected) {
+            context.report({
+                node,
+                messageId: `${expected ? "expected" : "unexpected"}${node === parentNode.test ? "TestCons" : "ConsAlt"}`
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ConditionalExpression(node) {
+                const areTestAndConsequentOnSameLine = astUtils.isTokenOnSameLine(node.test, node.consequent);
+                const areConsequentAndAlternateOnSameLine = astUtils.isTokenOnSameLine(node.consequent, node.alternate);
+
+                if (!multiline) {
+                    if (!areTestAndConsequentOnSameLine) {
+                        reportError(node.test, node, false);
+                    }
+
+                    if (!areConsequentAndAlternateOnSameLine) {
+                        reportError(node.consequent, node, false);
+                    }
+                } else {
+                    if (allowSingleLine && node.loc.start.line === node.loc.end.line) {
+                        return;
+                    }
+
+                    if (areTestAndConsequentOnSameLine) {
+                        reportError(node.test, node, true);
+                    }
+
+                    if (areConsequentAndAlternateOnSameLine) {
+                        reportError(node.consequent, node, true);
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/new-cap.js b/eslint/lib/rules/new-cap.js
new file mode 100644
index 0000000..7cce968
--- /dev/null
+++ b/eslint/lib/rules/new-cap.js
@@ -0,0 +1,279 @@
+/**
+ * @fileoverview Rule to flag use of constructors without capital letters
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const CAPS_ALLOWED = [
+    "Array",
+    "Boolean",
+    "Date",
+    "Error",
+    "Function",
+    "Number",
+    "Object",
+    "RegExp",
+    "String",
+    "Symbol",
+    "BigInt"
+];
+
+/**
+ * Ensure that if the key is provided, it must be an array.
+ * @param {Object} obj Object to check with `key`.
+ * @param {string} key Object key to check on `obj`.
+ * @param {*} fallback If obj[key] is not present, this will be returned.
+ * @returns {string[]} Returns obj[key] if it's an Array, otherwise `fallback`
+ */
+function checkArray(obj, key, fallback) {
+
+    /* istanbul ignore if */
+    if (Object.prototype.hasOwnProperty.call(obj, key) && !Array.isArray(obj[key])) {
+        throw new TypeError(`${key}, if provided, must be an Array`);
+    }
+    return obj[key] || fallback;
+}
+
+/**
+ * A reducer function to invert an array to an Object mapping the string form of the key, to `true`.
+ * @param {Object} map Accumulator object for the reduce.
+ * @param {string} key Object key to set to `true`.
+ * @returns {Object} Returns the updated Object for further reduction.
+ */
+function invert(map, key) {
+    map[key] = true;
+    return map;
+}
+
+/**
+ * Creates an object with the cap is new exceptions as its keys and true as their values.
+ * @param {Object} config Rule configuration
+ * @returns {Object} Object with cap is new exceptions.
+ */
+function calculateCapIsNewExceptions(config) {
+    let capIsNewExceptions = checkArray(config, "capIsNewExceptions", CAPS_ALLOWED);
+
+    if (capIsNewExceptions !== CAPS_ALLOWED) {
+        capIsNewExceptions = capIsNewExceptions.concat(CAPS_ALLOWED);
+    }
+
+    return capIsNewExceptions.reduce(invert, {});
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require constructor names to begin with a capital letter",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/new-cap"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    newIsCap: {
+                        type: "boolean",
+                        default: true
+                    },
+                    capIsNew: {
+                        type: "boolean",
+                        default: true
+                    },
+                    newIsCapExceptions: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    newIsCapExceptionPattern: {
+                        type: "string"
+                    },
+                    capIsNewExceptions: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    capIsNewExceptionPattern: {
+                        type: "string"
+                    },
+                    properties: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            upper: "A function with a name starting with an uppercase letter should only be used as a constructor.",
+            lower: "A constructor name should not start with a lowercase letter."
+        }
+    },
+
+    create(context) {
+
+        const config = Object.assign({}, context.options[0]);
+
+        config.newIsCap = config.newIsCap !== false;
+        config.capIsNew = config.capIsNew !== false;
+        const skipProperties = config.properties === false;
+
+        const newIsCapExceptions = checkArray(config, "newIsCapExceptions", []).reduce(invert, {});
+        const newIsCapExceptionPattern = config.newIsCapExceptionPattern ? new RegExp(config.newIsCapExceptionPattern, "u") : null;
+
+        const capIsNewExceptions = calculateCapIsNewExceptions(config);
+        const capIsNewExceptionPattern = config.capIsNewExceptionPattern ? new RegExp(config.capIsNewExceptionPattern, "u") : null;
+
+        const listeners = {};
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Get exact callee name from expression
+         * @param {ASTNode} node CallExpression or NewExpression node
+         * @returns {string} name
+         */
+        function extractNameFromExpression(node) {
+
+            let name = "";
+
+            if (node.callee.type === "MemberExpression") {
+                name = astUtils.getStaticPropertyName(node.callee) || "";
+            } else {
+                name = node.callee.name;
+            }
+            return name;
+        }
+
+        /**
+         * Returns the capitalization state of the string -
+         * Whether the first character is uppercase, lowercase, or non-alphabetic
+         * @param {string} str String
+         * @returns {string} capitalization state: "non-alpha", "lower", or "upper"
+         */
+        function getCap(str) {
+            const firstChar = str.charAt(0);
+
+            const firstCharLower = firstChar.toLowerCase();
+            const firstCharUpper = firstChar.toUpperCase();
+
+            if (firstCharLower === firstCharUpper) {
+
+                // char has no uppercase variant, so it's non-alphabetic
+                return "non-alpha";
+            }
+            if (firstChar === firstCharLower) {
+                return "lower";
+            }
+            return "upper";
+
+        }
+
+        /**
+         * Check if capitalization is allowed for a CallExpression
+         * @param {Object} allowedMap Object mapping calleeName to a Boolean
+         * @param {ASTNode} node CallExpression node
+         * @param {string} calleeName Capitalized callee name from a CallExpression
+         * @param {Object} pattern RegExp object from options pattern
+         * @returns {boolean} Returns true if the callee may be capitalized
+         */
+        function isCapAllowed(allowedMap, node, calleeName, pattern) {
+            const sourceText = sourceCode.getText(node.callee);
+
+            if (allowedMap[calleeName] || allowedMap[sourceText]) {
+                return true;
+            }
+
+            if (pattern && pattern.test(sourceText)) {
+                return true;
+            }
+
+            if (calleeName === "UTC" && node.callee.type === "MemberExpression") {
+
+                // allow if callee is Date.UTC
+                return node.callee.object.type === "Identifier" &&
+                    node.callee.object.name === "Date";
+            }
+
+            return skipProperties && node.callee.type === "MemberExpression";
+        }
+
+        /**
+         * Reports the given messageId for the given node. The location will be the start of the property or the callee.
+         * @param {ASTNode} node CallExpression or NewExpression node.
+         * @param {string} messageId The messageId to report.
+         * @returns {void}
+         */
+        function report(node, messageId) {
+            let callee = node.callee;
+
+            if (callee.type === "MemberExpression") {
+                callee = callee.property;
+            }
+
+            context.report({ node, loc: callee.loc.start, messageId });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        if (config.newIsCap) {
+            listeners.NewExpression = function(node) {
+
+                const constructorName = extractNameFromExpression(node);
+
+                if (constructorName) {
+                    const capitalization = getCap(constructorName);
+                    const isAllowed = capitalization !== "lower" || isCapAllowed(newIsCapExceptions, node, constructorName, newIsCapExceptionPattern);
+
+                    if (!isAllowed) {
+                        report(node, "lower");
+                    }
+                }
+            };
+        }
+
+        if (config.capIsNew) {
+            listeners.CallExpression = function(node) {
+
+                const calleeName = extractNameFromExpression(node);
+
+                if (calleeName) {
+                    const capitalization = getCap(calleeName);
+                    const isAllowed = capitalization !== "upper" || isCapAllowed(capIsNewExceptions, node, calleeName, capIsNewExceptionPattern);
+
+                    if (!isAllowed) {
+                        report(node, "upper");
+                    }
+                }
+            };
+        }
+
+        return listeners;
+    }
+};
diff --git a/eslint/lib/rules/new-parens.js b/eslint/lib/rules/new-parens.js
new file mode 100644
index 0000000..405ec1b
--- /dev/null
+++ b/eslint/lib/rules/new-parens.js
@@ -0,0 +1,99 @@
+/**
+ * @fileoverview Rule to flag when using constructor without parentheses
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce or disallow parentheses when invoking a constructor with no arguments",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/new-parens"
+        },
+
+        fixable: "code",
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "never"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                }
+            ]
+        },
+        messages: {
+            missing: "Missing '()' invoking a constructor.",
+            unnecessary: "Unnecessary '()' invoking a constructor with no arguments."
+        }
+    },
+
+    create(context) {
+        const options = context.options;
+        const always = options[0] !== "never"; // Default is always
+
+        const sourceCode = context.getSourceCode();
+
+        return {
+            NewExpression(node) {
+                if (node.arguments.length !== 0) {
+                    return; // if there are arguments, there have to be parens
+                }
+
+                const lastToken = sourceCode.getLastToken(node);
+                const hasLastParen = lastToken && astUtils.isClosingParenToken(lastToken);
+
+                // `hasParens` is true only if the new expression ends with its own parens, e.g., new new foo() does not end with its own parens
+                const hasParens = hasLastParen &&
+                    astUtils.isOpeningParenToken(sourceCode.getTokenBefore(lastToken)) &&
+                    node.callee.range[1] < node.range[1];
+
+                if (always) {
+                    if (!hasParens) {
+                        context.report({
+                            node,
+                            messageId: "missing",
+                            fix: fixer => fixer.insertTextAfter(node, "()")
+                        });
+                    }
+                } else {
+                    if (hasParens) {
+                        context.report({
+                            node,
+                            messageId: "unnecessary",
+                            fix: fixer => [
+                                fixer.remove(sourceCode.getTokenBefore(lastToken)),
+                                fixer.remove(lastToken),
+                                fixer.insertTextBefore(node, "("),
+                                fixer.insertTextAfter(node, ")")
+                            ]
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/newline-after-var.js b/eslint/lib/rules/newline-after-var.js
new file mode 100644
index 0000000..4809d9b
--- /dev/null
+++ b/eslint/lib/rules/newline-after-var.js
@@ -0,0 +1,255 @@
+/**
+ * @fileoverview Rule to check empty newline after "var" statement
+ * @author Gopal Venkatesan
+ * @deprecated
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow an empty line after variable declarations",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/newline-after-var"
+        },
+        schema: [
+            {
+                enum: ["never", "always"]
+            }
+        ],
+        fixable: "whitespace",
+        messages: {
+            expected: "Expected blank line after variable declarations.",
+            unexpected: "Unexpected blank line after variable declarations."
+        },
+
+        deprecated: true,
+
+        replacedBy: ["padding-line-between-statements"]
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        // Default `mode` to "always".
+        const mode = context.options[0] === "never" ? "never" : "always";
+
+        // Cache starting and ending line numbers of comments for faster lookup
+        const commentEndLine = sourceCode.getAllComments().reduce((result, token) => {
+            result[token.loc.start.line] = token.loc.end.line;
+            return result;
+        }, {});
+
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Gets a token from the given node to compare line to the next statement.
+         *
+         * In general, the token is the last token of the node. However, the token is the second last token if the following conditions satisfy.
+         *
+         * - The last token is semicolon.
+         * - The semicolon is on a different line from the previous token of the semicolon.
+         *
+         * This behavior would address semicolon-less style code. e.g.:
+         *
+         *     var foo = 1
+         *
+         *     ;(a || b).doSomething()
+         * @param {ASTNode} node The node to get.
+         * @returns {Token} The token to compare line to the next statement.
+         */
+        function getLastToken(node) {
+            const lastToken = sourceCode.getLastToken(node);
+
+            if (lastToken.type === "Punctuator" && lastToken.value === ";") {
+                const prevToken = sourceCode.getTokenBefore(lastToken);
+
+                if (prevToken.loc.end.line !== lastToken.loc.start.line) {
+                    return prevToken;
+                }
+            }
+
+            return lastToken;
+        }
+
+        /**
+         * Determine if provided keyword is a variable declaration
+         * @private
+         * @param {string} keyword keyword to test
+         * @returns {boolean} True if `keyword` is a type of var
+         */
+        function isVar(keyword) {
+            return keyword === "var" || keyword === "let" || keyword === "const";
+        }
+
+        /**
+         * Determine if provided keyword is a variant of for specifiers
+         * @private
+         * @param {string} keyword keyword to test
+         * @returns {boolean} True if `keyword` is a variant of for specifier
+         */
+        function isForTypeSpecifier(keyword) {
+            return keyword === "ForStatement" || keyword === "ForInStatement" || keyword === "ForOfStatement";
+        }
+
+        /**
+         * Determine if provided keyword is an export specifiers
+         * @private
+         * @param {string} nodeType nodeType to test
+         * @returns {boolean} True if `nodeType` is an export specifier
+         */
+        function isExportSpecifier(nodeType) {
+            return nodeType === "ExportNamedDeclaration" || nodeType === "ExportSpecifier" ||
+                nodeType === "ExportDefaultDeclaration" || nodeType === "ExportAllDeclaration";
+        }
+
+        /**
+         * Determine if provided node is the last of their parent block.
+         * @private
+         * @param {ASTNode} node node to test
+         * @returns {boolean} True if `node` is last of their parent block.
+         */
+        function isLastNode(node) {
+            const token = sourceCode.getTokenAfter(node);
+
+            return !token || (token.type === "Punctuator" && token.value === "}");
+        }
+
+        /**
+         * Gets the last line of a group of consecutive comments
+         * @param {number} commentStartLine The starting line of the group
+         * @returns {number} The number of the last comment line of the group
+         */
+        function getLastCommentLineOfBlock(commentStartLine) {
+            const currentCommentEnd = commentEndLine[commentStartLine];
+
+            return commentEndLine[currentCommentEnd + 1] ? getLastCommentLineOfBlock(currentCommentEnd + 1) : currentCommentEnd;
+        }
+
+        /**
+         * Determine if a token starts more than one line after a comment ends
+         * @param  {token}   token            The token being checked
+         * @param {integer}  commentStartLine The line number on which the comment starts
+         * @returns {boolean}                 True if `token` does not start immediately after a comment
+         */
+        function hasBlankLineAfterComment(token, commentStartLine) {
+            return token.loc.start.line > getLastCommentLineOfBlock(commentStartLine) + 1;
+        }
+
+        /**
+         * Checks that a blank line exists after a variable declaration when mode is
+         * set to "always", or checks that there is no blank line when mode is set
+         * to "never"
+         * @private
+         * @param {ASTNode} node `VariableDeclaration` node to test
+         * @returns {void}
+         */
+        function checkForBlankLine(node) {
+
+            /*
+             * lastToken is the last token on the node's line. It will usually also be the last token of the node, but it will
+             * sometimes be second-last if there is a semicolon on a different line.
+             */
+            const lastToken = getLastToken(node),
+
+                /*
+                 * If lastToken is the last token of the node, nextToken should be the token after the node. Otherwise, nextToken
+                 * is the last token of the node.
+                 */
+                nextToken = lastToken === sourceCode.getLastToken(node) ? sourceCode.getTokenAfter(node) : sourceCode.getLastToken(node),
+                nextLineNum = lastToken.loc.end.line + 1;
+
+            // Ignore if there is no following statement
+            if (!nextToken) {
+                return;
+            }
+
+            // Ignore if parent of node is a for variant
+            if (isForTypeSpecifier(node.parent.type)) {
+                return;
+            }
+
+            // Ignore if parent of node is an export specifier
+            if (isExportSpecifier(node.parent.type)) {
+                return;
+            }
+
+            /*
+             * Some coding styles use multiple `var` statements, so do nothing if
+             * the next token is a `var` statement.
+             */
+            if (nextToken.type === "Keyword" && isVar(nextToken.value)) {
+                return;
+            }
+
+            // Ignore if it is last statement in a block
+            if (isLastNode(node)) {
+                return;
+            }
+
+            // Next statement is not a `var`...
+            const noNextLineToken = nextToken.loc.start.line > nextLineNum;
+            const hasNextLineComment = (typeof commentEndLine[nextLineNum] !== "undefined");
+
+            if (mode === "never" && noNextLineToken && !hasNextLineComment) {
+                context.report({
+                    node,
+                    messageId: "unexpected",
+                    data: { identifier: node.name },
+                    fix(fixer) {
+                        const linesBetween = sourceCode.getText().slice(lastToken.range[1], nextToken.range[0]).split(astUtils.LINEBREAK_MATCHER);
+
+                        return fixer.replaceTextRange([lastToken.range[1], nextToken.range[0]], `${linesBetween.slice(0, -1).join("")}\n${linesBetween[linesBetween.length - 1]}`);
+                    }
+                });
+            }
+
+            // Token on the next line, or comment without blank line
+            if (
+                mode === "always" && (
+                    !noNextLineToken ||
+                    hasNextLineComment && !hasBlankLineAfterComment(nextToken, nextLineNum)
+                )
+            ) {
+                context.report({
+                    node,
+                    messageId: "expected",
+                    data: { identifier: node.name },
+                    fix(fixer) {
+                        if ((noNextLineToken ? getLastCommentLineOfBlock(nextLineNum) : lastToken.loc.end.line) === nextToken.loc.start.line) {
+                            return fixer.insertTextBefore(nextToken, "\n\n");
+                        }
+
+                        return fixer.insertTextBeforeRange([nextToken.range[0] - nextToken.loc.start.column, nextToken.range[1]], "\n");
+                    }
+                });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            VariableDeclaration: checkForBlankLine
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/newline-before-return.js b/eslint/lib/rules/newline-before-return.js
new file mode 100644
index 0000000..65ca323
--- /dev/null
+++ b/eslint/lib/rules/newline-before-return.js
@@ -0,0 +1,217 @@
+/**
+ * @fileoverview Rule to require newlines before `return` statement
+ * @author Kai Cataldo
+ * @deprecated
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require an empty line before `return` statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/newline-before-return"
+        },
+
+        fixable: "whitespace",
+        schema: [],
+        messages: {
+            expected: "Expected newline before return statement."
+        },
+
+        deprecated: true,
+        replacedBy: ["padding-line-between-statements"]
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Tests whether node is preceded by supplied tokens
+         * @param {ASTNode} node node to check
+         * @param {Array} testTokens array of tokens to test against
+         * @returns {boolean} Whether or not the node is preceded by one of the supplied tokens
+         * @private
+         */
+        function isPrecededByTokens(node, testTokens) {
+            const tokenBefore = sourceCode.getTokenBefore(node);
+
+            return testTokens.some(token => tokenBefore.value === token);
+        }
+
+        /**
+         * Checks whether node is the first node after statement or in block
+         * @param {ASTNode} node node to check
+         * @returns {boolean} Whether or not the node is the first node after statement or in block
+         * @private
+         */
+        function isFirstNode(node) {
+            const parentType = node.parent.type;
+
+            if (node.parent.body) {
+                return Array.isArray(node.parent.body)
+                    ? node.parent.body[0] === node
+                    : node.parent.body === node;
+            }
+
+            if (parentType === "IfStatement") {
+                return isPrecededByTokens(node, ["else", ")"]);
+            }
+            if (parentType === "DoWhileStatement") {
+                return isPrecededByTokens(node, ["do"]);
+            }
+            if (parentType === "SwitchCase") {
+                return isPrecededByTokens(node, [":"]);
+            }
+            return isPrecededByTokens(node, [")"]);
+
+        }
+
+        /**
+         * Returns the number of lines of comments that precede the node
+         * @param {ASTNode} node node to check for overlapping comments
+         * @param {number} lineNumTokenBefore line number of previous token, to check for overlapping comments
+         * @returns {number} Number of lines of comments that precede the node
+         * @private
+         */
+        function calcCommentLines(node, lineNumTokenBefore) {
+            const comments = sourceCode.getCommentsBefore(node);
+            let numLinesComments = 0;
+
+            if (!comments.length) {
+                return numLinesComments;
+            }
+
+            comments.forEach(comment => {
+                numLinesComments++;
+
+                if (comment.type === "Block") {
+                    numLinesComments += comment.loc.end.line - comment.loc.start.line;
+                }
+
+                // avoid counting lines with inline comments twice
+                if (comment.loc.start.line === lineNumTokenBefore) {
+                    numLinesComments--;
+                }
+
+                if (comment.loc.end.line === node.loc.start.line) {
+                    numLinesComments--;
+                }
+            });
+
+            return numLinesComments;
+        }
+
+        /**
+         * Returns the line number of the token before the node that is passed in as an argument
+         * @param {ASTNode} node The node to use as the start of the calculation
+         * @returns {number} Line number of the token before `node`
+         * @private
+         */
+        function getLineNumberOfTokenBefore(node) {
+            const tokenBefore = sourceCode.getTokenBefore(node);
+            let lineNumTokenBefore;
+
+            /**
+             * Global return (at the beginning of a script) is a special case.
+             * If there is no token before `return`, then we expect no line
+             * break before the return. Comments are allowed to occupy lines
+             * before the global return, just no blank lines.
+             * Setting lineNumTokenBefore to zero in that case results in the
+             * desired behavior.
+             */
+            if (tokenBefore) {
+                lineNumTokenBefore = tokenBefore.loc.end.line;
+            } else {
+                lineNumTokenBefore = 0; // global return at beginning of script
+            }
+
+            return lineNumTokenBefore;
+        }
+
+        /**
+         * Checks whether node is preceded by a newline
+         * @param {ASTNode} node node to check
+         * @returns {boolean} Whether or not the node is preceded by a newline
+         * @private
+         */
+        function hasNewlineBefore(node) {
+            const lineNumNode = node.loc.start.line;
+            const lineNumTokenBefore = getLineNumberOfTokenBefore(node);
+            const commentLines = calcCommentLines(node, lineNumTokenBefore);
+
+            return (lineNumNode - lineNumTokenBefore - commentLines) > 1;
+        }
+
+        /**
+         * Checks whether it is safe to apply a fix to a given return statement.
+         *
+         * The fix is not considered safe if the given return statement has leading comments,
+         * as we cannot safely determine if the newline should be added before or after the comments.
+         * For more information, see: https://github.com/eslint/eslint/issues/5958#issuecomment-222767211
+         * @param {ASTNode} node The return statement node to check.
+         * @returns {boolean} `true` if it can fix the node.
+         * @private
+         */
+        function canFix(node) {
+            const leadingComments = sourceCode.getCommentsBefore(node);
+            const lastLeadingComment = leadingComments[leadingComments.length - 1];
+            const tokenBefore = sourceCode.getTokenBefore(node);
+
+            if (leadingComments.length === 0) {
+                return true;
+            }
+
+            /*
+             * if the last leading comment ends in the same line as the previous token and
+             * does not share a line with the `return` node, we can consider it safe to fix.
+             * Example:
+             * function a() {
+             *     var b; //comment
+             *     return;
+             * }
+             */
+            if (lastLeadingComment.loc.end.line === tokenBefore.loc.end.line &&
+                lastLeadingComment.loc.end.line !== node.loc.start.line) {
+                return true;
+            }
+
+            return false;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ReturnStatement(node) {
+                if (!isFirstNode(node) && !hasNewlineBefore(node)) {
+                    context.report({
+                        node,
+                        messageId: "expected",
+                        fix(fixer) {
+                            if (canFix(node)) {
+                                const tokenBefore = sourceCode.getTokenBefore(node);
+                                const newlines = node.loc.start.line === tokenBefore.loc.end.line ? "\n\n" : "\n";
+
+                                return fixer.insertTextBefore(node, newlines);
+                            }
+                            return null;
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/newline-per-chained-call.js b/eslint/lib/rules/newline-per-chained-call.js
new file mode 100644
index 0000000..8ad8838
--- /dev/null
+++ b/eslint/lib/rules/newline-per-chained-call.js
@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Rule to ensure newline per method call when chaining calls
+ * @author Rajendra Patil
+ * @author Burak Yigit Kaya
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require a newline after each call in a method chain",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/newline-per-chained-call"
+        },
+
+        fixable: "whitespace",
+
+        schema: [{
+            type: "object",
+            properties: {
+                ignoreChainWithDepth: {
+                    type: "integer",
+                    minimum: 1,
+                    maximum: 10,
+                    default: 2
+                }
+            },
+            additionalProperties: false
+        }],
+        messages: {
+            expected: "Expected line break before `{{callee}}`."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0] || {},
+            ignoreChainWithDepth = options.ignoreChainWithDepth || 2;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Get the prefix of a given MemberExpression node.
+         * If the MemberExpression node is a computed value it returns a
+         * left bracket. If not it returns a period.
+         * @param  {ASTNode} node A MemberExpression node to get
+         * @returns {string} The prefix of the node.
+         */
+        function getPrefix(node) {
+            return node.computed ? "[" : ".";
+        }
+
+        /**
+         * Gets the property text of a given MemberExpression node.
+         * If the text is multiline, this returns only the first line.
+         * @param {ASTNode} node A MemberExpression node to get.
+         * @returns {string} The property text of the node.
+         */
+        function getPropertyText(node) {
+            const prefix = getPrefix(node);
+            const lines = sourceCode.getText(node.property).split(astUtils.LINEBREAK_MATCHER);
+            const suffix = node.computed && lines.length === 1 ? "]" : "";
+
+            return prefix + lines[0] + suffix;
+        }
+
+        return {
+            "CallExpression:exit"(node) {
+                if (!node.callee || node.callee.type !== "MemberExpression") {
+                    return;
+                }
+
+                const callee = node.callee;
+                let parent = callee.object;
+                let depth = 1;
+
+                while (parent && parent.callee) {
+                    depth += 1;
+                    parent = parent.callee.object;
+                }
+
+                if (depth > ignoreChainWithDepth && astUtils.isTokenOnSameLine(callee.object, callee.property)) {
+                    context.report({
+                        node: callee.property,
+                        loc: callee.property.loc.start,
+                        messageId: "expected",
+                        data: {
+                            callee: getPropertyText(callee)
+                        },
+                        fix(fixer) {
+                            const firstTokenAfterObject = sourceCode.getTokenAfter(callee.object, astUtils.isNotClosingParenToken);
+
+                            return fixer.insertTextBefore(firstTokenAfterObject, "\n");
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-alert.js b/eslint/lib/rules/no-alert.js
new file mode 100644
index 0000000..22d0dd5
--- /dev/null
+++ b/eslint/lib/rules/no-alert.js
@@ -0,0 +1,129 @@
+/**
+ * @fileoverview Rule to flag use of alert, confirm, prompt
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+    getStaticPropertyName: getPropertyName,
+    getVariableByName
+} = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if the given name is a prohibited identifier.
+ * @param {string} name The name to check
+ * @returns {boolean} Whether or not the name is prohibited.
+ */
+function isProhibitedIdentifier(name) {
+    return /^(alert|confirm|prompt)$/u.test(name);
+}
+
+/**
+ * Finds the eslint-scope reference in the given scope.
+ * @param {Object} scope The scope to search.
+ * @param {ASTNode} node The identifier node.
+ * @returns {Reference|null} Returns the found reference or null if none were found.
+ */
+function findReference(scope, node) {
+    const references = scope.references.filter(reference => reference.identifier.range[0] === node.range[0] &&
+            reference.identifier.range[1] === node.range[1]);
+
+    if (references.length === 1) {
+        return references[0];
+    }
+    return null;
+}
+
+/**
+ * Checks if the given identifier node is shadowed in the given scope.
+ * @param {Object} scope The current scope.
+ * @param {string} node The identifier node to check
+ * @returns {boolean} Whether or not the name is shadowed.
+ */
+function isShadowed(scope, node) {
+    const reference = findReference(scope, node);
+
+    return reference && reference.resolved && reference.resolved.defs.length > 0;
+}
+
+/**
+ * Checks if the given identifier node is a ThisExpression in the global scope or the global window property.
+ * @param {Object} scope The current scope.
+ * @param {string} node The identifier node to check
+ * @returns {boolean} Whether or not the node is a reference to the global object.
+ */
+function isGlobalThisReferenceOrGlobalWindow(scope, node) {
+    if (scope.type === "global" && node.type === "ThisExpression") {
+        return true;
+    }
+    if (node.name === "window" || (node.name === "globalThis" && getVariableByName(scope, "globalThis"))) {
+        return !isShadowed(scope, node);
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `alert`, `confirm`, and `prompt`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-alert"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected {{name}}."
+        }
+    },
+
+    create(context) {
+        return {
+            CallExpression(node) {
+                const callee = node.callee,
+                    currentScope = context.getScope();
+
+                // without window.
+                if (callee.type === "Identifier") {
+                    const name = callee.name;
+
+                    if (!isShadowed(currentScope, callee) && isProhibitedIdentifier(callee.name)) {
+                        context.report({
+                            node,
+                            messageId: "unexpected",
+                            data: { name }
+                        });
+                    }
+
+                } else if (callee.type === "MemberExpression" && isGlobalThisReferenceOrGlobalWindow(currentScope, callee.object)) {
+                    const name = getPropertyName(callee);
+
+                    if (isProhibitedIdentifier(name)) {
+                        context.report({
+                            node,
+                            messageId: "unexpected",
+                            data: { name }
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-array-constructor.js b/eslint/lib/rules/no-array-constructor.js
new file mode 100644
index 0000000..90c6d6b
--- /dev/null
+++ b/eslint/lib/rules/no-array-constructor.js
@@ -0,0 +1,54 @@
+/**
+ * @fileoverview Disallow construction of dense arrays using the Array constructor
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `Array` constructors",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-array-constructor"
+        },
+
+        schema: [],
+
+        messages: {
+            preferLiteral: "The array literal notation [] is preferable."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Disallow construction of dense arrays using the Array constructor
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function check(node) {
+            if (
+                node.arguments.length !== 1 &&
+                node.callee.type === "Identifier" &&
+                node.callee.name === "Array"
+            ) {
+                context.report({ node, messageId: "preferLiteral" });
+            }
+        }
+
+        return {
+            CallExpression: check,
+            NewExpression: check
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-async-promise-executor.js b/eslint/lib/rules/no-async-promise-executor.js
new file mode 100644
index 0000000..553311e
--- /dev/null
+++ b/eslint/lib/rules/no-async-promise-executor.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview disallow using an async function as a Promise executor
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow using an async function as a Promise executor",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-async-promise-executor"
+        },
+
+        fixable: null,
+        schema: [],
+        messages: {
+            async: "Promise executor functions should not be async."
+        }
+    },
+
+    create(context) {
+        return {
+            "NewExpression[callee.name='Promise'][arguments.0.async=true]"(node) {
+                context.report({
+                    node: context.getSourceCode().getFirstToken(node.arguments[0], token => token.value === "async"),
+                    messageId: "async"
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-await-in-loop.js b/eslint/lib/rules/no-await-in-loop.js
new file mode 100644
index 0000000..9ca8986
--- /dev/null
+++ b/eslint/lib/rules/no-await-in-loop.js
@@ -0,0 +1,106 @@
+/**
+ * @fileoverview Rule to disallow uses of await inside of loops.
+ * @author Nat Mote (nmote)
+ */
+"use strict";
+
+/**
+ * Check whether it should stop traversing ancestors at the given node.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if it should stop traversing.
+ */
+function isBoundary(node) {
+    const t = node.type;
+
+    return (
+        t === "FunctionDeclaration" ||
+        t === "FunctionExpression" ||
+        t === "ArrowFunctionExpression" ||
+
+        /*
+         * Don't report the await expressions on for-await-of loop since it's
+         * asynchronous iteration intentionally.
+         */
+        (t === "ForOfStatement" && node.await === true)
+    );
+}
+
+/**
+ * Check whether the given node is in loop.
+ * @param {ASTNode} node A node to check.
+ * @param {ASTNode} parent A parent node to check.
+ * @returns {boolean} `true` if the node is in loop.
+ */
+function isLooped(node, parent) {
+    switch (parent.type) {
+        case "ForStatement":
+            return (
+                node === parent.test ||
+                node === parent.update ||
+                node === parent.body
+            );
+
+        case "ForOfStatement":
+        case "ForInStatement":
+            return node === parent.body;
+
+        case "WhileStatement":
+        case "DoWhileStatement":
+            return node === parent.test || node === parent.body;
+
+        default:
+            return false;
+    }
+}
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow `await` inside of loops",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-await-in-loop"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedAwait: "Unexpected `await` inside a loop."
+        }
+    },
+    create(context) {
+
+        /**
+         * Validate an await expression.
+         * @param {ASTNode} awaitNode An AwaitExpression or ForOfStatement node to validate.
+         * @returns {void}
+         */
+        function validate(awaitNode) {
+            if (awaitNode.type === "ForOfStatement" && !awaitNode.await) {
+                return;
+            }
+
+            let node = awaitNode;
+            let parent = node.parent;
+
+            while (parent && !isBoundary(parent)) {
+                if (isLooped(node, parent)) {
+                    context.report({
+                        node: awaitNode,
+                        messageId: "unexpectedAwait"
+                    });
+                    return;
+                }
+                node = parent;
+                parent = parent.parent;
+            }
+        }
+
+        return {
+            AwaitExpression: validate,
+            ForOfStatement: validate
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-bitwise.js b/eslint/lib/rules/no-bitwise.js
new file mode 100644
index 0000000..a9c3360
--- /dev/null
+++ b/eslint/lib/rules/no-bitwise.js
@@ -0,0 +1,119 @@
+/**
+ * @fileoverview Rule to flag bitwise identifiers
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+/*
+ *
+ * Set of bitwise operators.
+ *
+ */
+const BITWISE_OPERATORS = [
+    "^", "|", "&", "<<", ">>", ">>>",
+    "^=", "|=", "&=", "<<=", ">>=", ">>>=",
+    "~"
+];
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow bitwise operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-bitwise"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allow: {
+                        type: "array",
+                        items: {
+                            enum: BITWISE_OPERATORS
+                        },
+                        uniqueItems: true
+                    },
+                    int32Hint: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "Unexpected use of '{{operator}}'."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const allowed = options.allow || [];
+        const int32Hint = options.int32Hint === true;
+
+        /**
+         * Reports an unexpected use of a bitwise operator.
+         * @param   {ASTNode} node Node which contains the bitwise operator.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({ node, messageId: "unexpected", data: { operator: node.operator } });
+        }
+
+        /**
+         * Checks if the given node has a bitwise operator.
+         * @param   {ASTNode} node The node to check.
+         * @returns {boolean} Whether or not the node has a bitwise operator.
+         */
+        function hasBitwiseOperator(node) {
+            return BITWISE_OPERATORS.indexOf(node.operator) !== -1;
+        }
+
+        /**
+         * Checks if exceptions were provided, e.g. `{ allow: ['~', '|'] }`.
+         * @param   {ASTNode} node The node to check.
+         * @returns {boolean} Whether or not the node has a bitwise operator.
+         */
+        function allowedOperator(node) {
+            return allowed.indexOf(node.operator) !== -1;
+        }
+
+        /**
+         * Checks if the given bitwise operator is used for integer typecasting, i.e. "|0"
+         * @param   {ASTNode} node The node to check.
+         * @returns {boolean} whether the node is used in integer typecasting.
+         */
+        function isInt32Hint(node) {
+            return int32Hint && node.operator === "|" && node.right &&
+              node.right.type === "Literal" && node.right.value === 0;
+        }
+
+        /**
+         * Report if the given node contains a bitwise operator.
+         * @param   {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkNodeForBitwiseOperator(node) {
+            if (hasBitwiseOperator(node) && !allowedOperator(node) && !isInt32Hint(node)) {
+                report(node);
+            }
+        }
+
+        return {
+            AssignmentExpression: checkNodeForBitwiseOperator,
+            BinaryExpression: checkNodeForBitwiseOperator,
+            UnaryExpression: checkNodeForBitwiseOperator
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-buffer-constructor.js b/eslint/lib/rules/no-buffer-constructor.js
new file mode 100644
index 0000000..bf4c889
--- /dev/null
+++ b/eslint/lib/rules/no-buffer-constructor.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview disallow use of the Buffer() constructor
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow use of the `Buffer()` constructor",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-buffer-constructor"
+        },
+
+        schema: [],
+
+        messages: {
+            deprecated: "{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead."
+        }
+    },
+
+    create(context) {
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(node) {
+                context.report({
+                    node,
+                    messageId: "deprecated",
+                    data: { expr: node.type === "CallExpression" ? "Buffer()" : "new Buffer()" }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-caller.js b/eslint/lib/rules/no-caller.js
new file mode 100644
index 0000000..5fe1bd4
--- /dev/null
+++ b/eslint/lib/rules/no-caller.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Rule to flag use of arguments.callee and arguments.caller.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `arguments.caller` or `arguments.callee`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-caller"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Avoid arguments.{{prop}}."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            MemberExpression(node) {
+                const objectName = node.object.name,
+                    propertyName = node.property.name;
+
+                if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/u)) {
+                    context.report({ node, messageId: "unexpected", data: { prop: propertyName } });
+                }
+
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-case-declarations.js b/eslint/lib/rules/no-case-declarations.js
new file mode 100644
index 0000000..1d54e22
--- /dev/null
+++ b/eslint/lib/rules/no-case-declarations.js
@@ -0,0 +1,64 @@
+/**
+ * @fileoverview Rule to flag use of an lexical declarations inside a case clause
+ * @author Erik Arvidsson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow lexical declarations in case clauses",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-case-declarations"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected lexical declaration in case block."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Checks whether or not a node is a lexical declaration.
+         * @param {ASTNode} node A direct child statement of a switch case.
+         * @returns {boolean} Whether or not the node is a lexical declaration.
+         */
+        function isLexicalDeclaration(node) {
+            switch (node.type) {
+                case "FunctionDeclaration":
+                case "ClassDeclaration":
+                    return true;
+                case "VariableDeclaration":
+                    return node.kind !== "var";
+                default:
+                    return false;
+            }
+        }
+
+        return {
+            SwitchCase(node) {
+                for (let i = 0; i < node.consequent.length; i++) {
+                    const statement = node.consequent[i];
+
+                    if (isLexicalDeclaration(statement)) {
+                        context.report({
+                            node: statement,
+                            messageId: "unexpected"
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-catch-shadow.js b/eslint/lib/rules/no-catch-shadow.js
new file mode 100644
index 0000000..4917af8
--- /dev/null
+++ b/eslint/lib/rules/no-catch-shadow.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview Rule to flag variable leak in CatchClauses in IE 8 and earlier
+ * @author Ian Christian Myers
+ * @deprecated in ESLint v5.1.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `catch` clause parameters from shadowing variables in the outer scope",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-catch-shadow"
+        },
+
+        replacedBy: ["no-shadow"],
+
+        deprecated: true,
+        schema: [],
+
+        messages: {
+            mutable: "Value of '{{name}}' may be overwritten in IE 8 and earlier."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Check if the parameters are been shadowed
+         * @param {Object} scope current scope
+         * @param {string} name parameter name
+         * @returns {boolean} True is its been shadowed
+         */
+        function paramIsShadowing(scope, name) {
+            return astUtils.getVariableByName(scope, name) !== null;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            "CatchClause[param!=null]"(node) {
+                let scope = context.getScope();
+
+                /*
+                 * When ecmaVersion >= 6, CatchClause creates its own scope
+                 * so start from one upper scope to exclude the current node
+                 */
+                if (scope.block === node) {
+                    scope = scope.upper;
+                }
+
+                if (paramIsShadowing(scope, node.param.name)) {
+                    context.report({ node, messageId: "mutable", data: { name: node.param.name } });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-class-assign.js b/eslint/lib/rules/no-class-assign.js
new file mode 100644
index 0000000..887058b
--- /dev/null
+++ b/eslint/lib/rules/no-class-assign.js
@@ -0,0 +1,61 @@
+/**
+ * @fileoverview A rule to disallow modifying variables of class declarations
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow reassigning class members",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-class-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            class: "'{{name}}' is a class."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            astUtils.getModifyingReferences(variable.references).forEach(reference => {
+                context.report({ node: reference.identifier, messageId: "class", data: { name: reference.identifier.name } });
+
+            });
+        }
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {ASTNode} node A ClassDeclaration/ClassExpression node to check.
+         * @returns {void}
+         */
+        function checkForClass(node) {
+            context.getDeclaredVariables(node).forEach(checkVariable);
+        }
+
+        return {
+            ClassDeclaration: checkForClass,
+            ClassExpression: checkForClass
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-compare-neg-zero.js b/eslint/lib/rules/no-compare-neg-zero.js
new file mode 100644
index 0000000..0c6865a
--- /dev/null
+++ b/eslint/lib/rules/no-compare-neg-zero.js
@@ -0,0 +1,60 @@
+/**
+ * @fileoverview The rule should warn against code that tries to compare against -0.
+ * @author Aladdin-ADD <hh_2013@foxmail.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow comparing against -0",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-compare-neg-zero"
+        },
+
+        fixable: null,
+        schema: [],
+
+        messages: {
+            unexpected: "Do not use the '{{operator}}' operator to compare against -0."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Checks a given node is -0
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} `true` if the node is -0.
+         */
+        function isNegZero(node) {
+            return node.type === "UnaryExpression" && node.operator === "-" && node.argument.type === "Literal" && node.argument.value === 0;
+        }
+        const OPERATORS_TO_CHECK = new Set([">", ">=", "<", "<=", "==", "===", "!=", "!=="]);
+
+        return {
+            BinaryExpression(node) {
+                if (OPERATORS_TO_CHECK.has(node.operator)) {
+                    if (isNegZero(node.left) || isNegZero(node.right)) {
+                        context.report({
+                            node,
+                            messageId: "unexpected",
+                            data: { operator: node.operator }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-cond-assign.js b/eslint/lib/rules/no-cond-assign.js
new file mode 100644
index 0000000..3843a7a
--- /dev/null
+++ b/eslint/lib/rules/no-cond-assign.js
@@ -0,0 +1,159 @@
+/**
+ * @fileoverview Rule to flag assignment in a conditional statement's test expression
+ * @author Stephen Murray <spmurrayzzz>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const TEST_CONDITION_PARENT_TYPES = new Set(["IfStatement", "WhileStatement", "DoWhileStatement", "ForStatement", "ConditionalExpression"]);
+
+const NODE_DESCRIPTIONS = {
+    DoWhileStatement: "a 'do...while' statement",
+    ForStatement: "a 'for' statement",
+    IfStatement: "an 'if' statement",
+    WhileStatement: "a 'while' statement"
+};
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow assignment operators in conditional expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-cond-assign"
+        },
+
+        schema: [
+            {
+                enum: ["except-parens", "always"]
+            }
+        ],
+
+        messages: {
+            unexpected: "Unexpected assignment within {{type}}.",
+
+            // must match JSHint's error message
+            missing: "Expected a conditional expression and instead saw an assignment."
+        }
+    },
+
+    create(context) {
+
+        const prohibitAssign = (context.options[0] || "except-parens");
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check whether an AST node is the test expression for a conditional statement.
+         * @param {!Object} node The node to test.
+         * @returns {boolean} `true` if the node is the text expression for a conditional statement; otherwise, `false`.
+         */
+        function isConditionalTestExpression(node) {
+            return node.parent &&
+                TEST_CONDITION_PARENT_TYPES.has(node.parent.type) &&
+                node === node.parent.test;
+        }
+
+        /**
+         * Given an AST node, perform a bottom-up search for the first ancestor that represents a conditional statement.
+         * @param {!Object} node The node to use at the start of the search.
+         * @returns {?Object} The closest ancestor node that represents a conditional statement.
+         */
+        function findConditionalAncestor(node) {
+            let currentAncestor = node;
+
+            do {
+                if (isConditionalTestExpression(currentAncestor)) {
+                    return currentAncestor.parent;
+                }
+            } while ((currentAncestor = currentAncestor.parent) && !astUtils.isFunction(currentAncestor));
+
+            return null;
+        }
+
+        /**
+         * Check whether the code represented by an AST node is enclosed in two sets of parentheses.
+         * @param {!Object} node The node to test.
+         * @returns {boolean} `true` if the code is enclosed in two sets of parentheses; otherwise, `false`.
+         */
+        function isParenthesisedTwice(node) {
+            const previousToken = sourceCode.getTokenBefore(node, 1),
+                nextToken = sourceCode.getTokenAfter(node, 1);
+
+            return astUtils.isParenthesised(sourceCode, node) &&
+                previousToken && astUtils.isOpeningParenToken(previousToken) && previousToken.range[1] <= node.range[0] &&
+                astUtils.isClosingParenToken(nextToken) && nextToken.range[0] >= node.range[1];
+        }
+
+        /**
+         * Check a conditional statement's test expression for top-level assignments that are not enclosed in parentheses.
+         * @param {!Object} node The node for the conditional statement.
+         * @returns {void}
+         */
+        function testForAssign(node) {
+            if (node.test &&
+                (node.test.type === "AssignmentExpression") &&
+                (node.type === "ForStatement"
+                    ? !astUtils.isParenthesised(sourceCode, node.test)
+                    : !isParenthesisedTwice(node.test)
+                )
+            ) {
+
+                context.report({
+                    node: node.test,
+                    messageId: "missing"
+                });
+            }
+        }
+
+        /**
+         * Check whether an assignment expression is descended from a conditional statement's test expression.
+         * @param {!Object} node The node for the assignment expression.
+         * @returns {void}
+         */
+        function testForConditionalAncestor(node) {
+            const ancestor = findConditionalAncestor(node);
+
+            if (ancestor) {
+                context.report({
+                    node,
+                    messageId: "unexpected",
+                    data: {
+                        type: NODE_DESCRIPTIONS[ancestor.type] || ancestor.type
+                    }
+                });
+            }
+        }
+
+        if (prohibitAssign === "always") {
+            return {
+                AssignmentExpression: testForConditionalAncestor
+            };
+        }
+
+        return {
+            DoWhileStatement: testForAssign,
+            ForStatement: testForAssign,
+            IfStatement: testForAssign,
+            WhileStatement: testForAssign,
+            ConditionalExpression: testForAssign
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-confusing-arrow.js b/eslint/lib/rules/no-confusing-arrow.js
new file mode 100644
index 0000000..9009b64
--- /dev/null
+++ b/eslint/lib/rules/no-confusing-arrow.js
@@ -0,0 +1,85 @@
+/**
+ * @fileoverview A rule to warn against using arrow functions when they could be
+ * confused with comparisons
+ * @author Jxck <https://github.com/Jxck>
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils.js");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a conditional expression.
+ * @param {ASTNode} node node to test
+ * @returns {boolean} `true` if the node is a conditional expression.
+ */
+function isConditional(node) {
+    return node && node.type === "ConditionalExpression";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow arrow functions where they could be confused with comparisons",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-confusing-arrow"
+        },
+
+        fixable: "code",
+
+        schema: [{
+            type: "object",
+            properties: {
+                allowParens: { type: "boolean", default: true }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            confusing: "Arrow function used ambiguously with a conditional expression."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0] || {};
+        const allowParens = config.allowParens || (config.allowParens === void 0);
+        const sourceCode = context.getSourceCode();
+
+
+        /**
+         * Reports if an arrow function contains an ambiguous conditional.
+         * @param {ASTNode} node A node to check and report.
+         * @returns {void}
+         */
+        function checkArrowFunc(node) {
+            const body = node.body;
+
+            if (isConditional(body) && !(allowParens && astUtils.isParenthesised(sourceCode, body))) {
+                context.report({
+                    node,
+                    messageId: "confusing",
+                    fix(fixer) {
+
+                        // if `allowParens` is not set to true don't bother wrapping in parens
+                        return allowParens && fixer.replaceText(node.body, `(${sourceCode.getText(node.body)})`);
+                    }
+                });
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: checkArrowFunc
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-console.js b/eslint/lib/rules/no-console.js
new file mode 100644
index 0000000..56dbbc3
--- /dev/null
+++ b/eslint/lib/rules/no-console.js
@@ -0,0 +1,134 @@
+/**
+ * @fileoverview Rule to flag use of console object
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `console`",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-console"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allow: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        },
+                        minItems: 1,
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "Unexpected console statement."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const allowed = options.allow || [];
+
+        /**
+         * Checks whether the given reference is 'console' or not.
+         * @param {eslint-scope.Reference} reference The reference to check.
+         * @returns {boolean} `true` if the reference is 'console'.
+         */
+        function isConsole(reference) {
+            const id = reference.identifier;
+
+            return id && id.name === "console";
+        }
+
+        /**
+         * Checks whether the property name of the given MemberExpression node
+         * is allowed by options or not.
+         * @param {ASTNode} node The MemberExpression node to check.
+         * @returns {boolean} `true` if the property name of the node is allowed.
+         */
+        function isAllowed(node) {
+            const propertyName = astUtils.getStaticPropertyName(node);
+
+            return propertyName && allowed.indexOf(propertyName) !== -1;
+        }
+
+        /**
+         * Checks whether the given reference is a member access which is not
+         * allowed by options or not.
+         * @param {eslint-scope.Reference} reference The reference to check.
+         * @returns {boolean} `true` if the reference is a member access which
+         *      is not allowed by options.
+         */
+        function isMemberAccessExceptAllowed(reference) {
+            const node = reference.identifier;
+            const parent = node.parent;
+
+            return (
+                parent.type === "MemberExpression" &&
+                parent.object === node &&
+                !isAllowed(parent)
+            );
+        }
+
+        /**
+         * Reports the given reference as a violation.
+         * @param {eslint-scope.Reference} reference The reference to report.
+         * @returns {void}
+         */
+        function report(reference) {
+            const node = reference.identifier.parent;
+
+            context.report({
+                node,
+                loc: node.loc,
+                messageId: "unexpected"
+            });
+        }
+
+        return {
+            "Program:exit"() {
+                const scope = context.getScope();
+                const consoleVar = astUtils.getVariableByName(scope, "console");
+                const shadowed = consoleVar && consoleVar.defs.length > 0;
+
+                /*
+                 * 'scope.through' includes all references to undefined
+                 * variables. If the variable 'console' is not defined, it uses
+                 * 'scope.through'.
+                 */
+                const references = consoleVar
+                    ? consoleVar.references
+                    : scope.through.filter(isConsole);
+
+                if (!shadowed) {
+                    references
+                        .filter(isMemberAccessExceptAllowed)
+                        .forEach(report);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-const-assign.js b/eslint/lib/rules/no-const-assign.js
new file mode 100644
index 0000000..e4ae891
--- /dev/null
+++ b/eslint/lib/rules/no-const-assign.js
@@ -0,0 +1,54 @@
+/**
+ * @fileoverview A rule to disallow modifying variables that are declared using `const`
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow reassigning `const` variables",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-const-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            const: "'{{name}}' is constant."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            astUtils.getModifyingReferences(variable.references).forEach(reference => {
+                context.report({ node: reference.identifier, messageId: "const", data: { name: reference.identifier.name } });
+            });
+        }
+
+        return {
+            VariableDeclaration(node) {
+                if (node.kind === "const") {
+                    context.getDeclaredVariables(node).forEach(checkVariable);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-constant-condition.js b/eslint/lib/rules/no-constant-condition.js
new file mode 100644
index 0000000..5e58386
--- /dev/null
+++ b/eslint/lib/rules/no-constant-condition.js
@@ -0,0 +1,253 @@
+/**
+ * @fileoverview Rule to flag use constant conditions
+ * @author Christian Schulz <http://rndm.de>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const EQUALITY_OPERATORS = ["===", "!==", "==", "!="];
+const RELATIONAL_OPERATORS = [">", "<", ">=", "<=", "in", "instanceof"];
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow constant expressions in conditions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-constant-condition"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    checkLoops: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "Unexpected constant condition."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {},
+            checkLoops = options.checkLoops !== false,
+            loopSetStack = [];
+
+        let loopsInCurrentScope = new Set();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+
+        /**
+         * Checks if a branch node of LogicalExpression short circuits the whole condition
+         * @param {ASTNode} node The branch of main condition which needs to be checked
+         * @param {string} operator The operator of the main LogicalExpression.
+         * @returns {boolean} true when condition short circuits whole condition
+         */
+        function isLogicalIdentity(node, operator) {
+            switch (node.type) {
+                case "Literal":
+                    return (operator === "||" && node.value === true) ||
+                           (operator === "&&" && node.value === false);
+
+                case "UnaryExpression":
+                    return (operator === "&&" && node.operator === "void");
+
+                case "LogicalExpression":
+                    return isLogicalIdentity(node.left, node.operator) ||
+                             isLogicalIdentity(node.right, node.operator);
+
+                // no default
+            }
+            return false;
+        }
+
+        /**
+         * Checks if a node has a constant truthiness value.
+         * @param {ASTNode} node The AST node to check.
+         * @param {boolean} inBooleanPosition `false` if checking branch of a condition.
+         *  `true` in all other cases
+         * @returns {Bool} true when node's truthiness is constant
+         * @private
+         */
+        function isConstant(node, inBooleanPosition) {
+
+            // node.elements can return null values in the case of sparse arrays ex. [,]
+            if (!node) {
+                return true;
+            }
+            switch (node.type) {
+                case "Literal":
+                case "ArrowFunctionExpression":
+                case "FunctionExpression":
+                case "ObjectExpression":
+                    return true;
+                case "TemplateLiteral":
+                    return (inBooleanPosition && node.quasis.some(quasi => quasi.value.cooked.length)) ||
+                        node.expressions.every(exp => isConstant(exp, inBooleanPosition));
+
+                case "ArrayExpression": {
+                    if (node.parent.type === "BinaryExpression" && node.parent.operator === "+") {
+                        return node.elements.every(element => isConstant(element, false));
+                    }
+                    return true;
+                }
+
+                case "UnaryExpression":
+                    if (node.operator === "void") {
+                        return true;
+                    }
+
+                    return (node.operator === "typeof" && inBooleanPosition) ||
+                        isConstant(node.argument, true);
+
+                case "BinaryExpression":
+                    return isConstant(node.left, false) &&
+                            isConstant(node.right, false) &&
+                            node.operator !== "in";
+
+                case "LogicalExpression": {
+                    const isLeftConstant = isConstant(node.left, inBooleanPosition);
+                    const isRightConstant = isConstant(node.right, inBooleanPosition);
+                    const isLeftShortCircuit = (isLeftConstant && isLogicalIdentity(node.left, node.operator));
+                    const isRightShortCircuit = (isRightConstant && isLogicalIdentity(node.right, node.operator));
+
+                    return (isLeftConstant && isRightConstant) ||
+                        (
+
+                            // in the case of an "OR", we need to know if the right constant value is truthy
+                            node.operator === "||" &&
+                            isRightConstant &&
+                            node.right.value &&
+                            (
+                                !node.parent ||
+                                node.parent.type !== "BinaryExpression" ||
+                                !(EQUALITY_OPERATORS.includes(node.parent.operator) || RELATIONAL_OPERATORS.includes(node.parent.operator))
+                            )
+                        ) ||
+                        isLeftShortCircuit ||
+                        isRightShortCircuit;
+                }
+
+                case "AssignmentExpression":
+                    return (node.operator === "=") && isConstant(node.right, inBooleanPosition);
+
+                case "SequenceExpression":
+                    return isConstant(node.expressions[node.expressions.length - 1], inBooleanPosition);
+
+                // no default
+            }
+            return false;
+        }
+
+        /**
+         * Tracks when the given node contains a constant condition.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         * @private
+         */
+        function trackConstantConditionLoop(node) {
+            if (node.test && isConstant(node.test, true)) {
+                loopsInCurrentScope.add(node);
+            }
+        }
+
+        /**
+         * Reports when the set contains the given constant condition node
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkConstantConditionLoopInSet(node) {
+            if (loopsInCurrentScope.has(node)) {
+                loopsInCurrentScope.delete(node);
+                context.report({ node: node.test, messageId: "unexpected" });
+            }
+        }
+
+        /**
+         * Reports when the given node contains a constant condition.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         * @private
+         */
+        function reportIfConstant(node) {
+            if (node.test && isConstant(node.test, true)) {
+                context.report({ node: node.test, messageId: "unexpected" });
+            }
+        }
+
+        /**
+         * Stores current set of constant loops in loopSetStack temporarily
+         * and uses a new set to track constant loops
+         * @returns {void}
+         * @private
+         */
+        function enterFunction() {
+            loopSetStack.push(loopsInCurrentScope);
+            loopsInCurrentScope = new Set();
+        }
+
+        /**
+         * Reports when the set still contains stored constant conditions
+         * @returns {void}
+         * @private
+         */
+        function exitFunction() {
+            loopsInCurrentScope = loopSetStack.pop();
+        }
+
+        /**
+         * Checks node when checkLoops option is enabled
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkLoop(node) {
+            if (checkLoops) {
+                trackConstantConditionLoop(node);
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ConditionalExpression: reportIfConstant,
+            IfStatement: reportIfConstant,
+            WhileStatement: checkLoop,
+            "WhileStatement:exit": checkConstantConditionLoopInSet,
+            DoWhileStatement: checkLoop,
+            "DoWhileStatement:exit": checkConstantConditionLoopInSet,
+            ForStatement: checkLoop,
+            "ForStatement > .test": node => checkLoop(node.parent),
+            "ForStatement:exit": checkConstantConditionLoopInSet,
+            FunctionDeclaration: enterFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            FunctionExpression: enterFunction,
+            "FunctionExpression:exit": exitFunction,
+            YieldExpression: () => loopsInCurrentScope.clear()
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-constructor-return.js b/eslint/lib/rules/no-constructor-return.js
new file mode 100644
index 0000000..4757770
--- /dev/null
+++ b/eslint/lib/rules/no-constructor-return.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Rule to disallow returning value from constructor.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow returning value from constructor",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-constructor-return"
+        },
+
+        schema: {},
+
+        fixable: null,
+
+        messages: {
+            unexpected: "Unexpected return statement in constructor."
+        }
+    },
+
+    create(context) {
+        const stack = [];
+
+        return {
+            onCodePathStart(_, node) {
+                stack.push(node);
+            },
+            onCodePathEnd() {
+                stack.pop();
+            },
+            ReturnStatement(node) {
+                const last = stack[stack.length - 1];
+
+                if (!last.parent) {
+                    return;
+                }
+
+                if (
+                    last.parent.type === "MethodDefinition" &&
+                    last.parent.kind === "constructor" &&
+                    (node.parent.parent === last || node.argument)
+                ) {
+                    context.report({
+                        node,
+                        messageId: "unexpected"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-continue.js b/eslint/lib/rules/no-continue.js
new file mode 100644
index 0000000..96718d1
--- /dev/null
+++ b/eslint/lib/rules/no-continue.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Rule to flag use of continue statement
+ * @author Borislav Zhivkov
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `continue` statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-continue"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected use of continue statement."
+        }
+    },
+
+    create(context) {
+
+        return {
+            ContinueStatement(node) {
+                context.report({ node, messageId: "unexpected" });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-control-regex.js b/eslint/lib/rules/no-control-regex.js
new file mode 100644
index 0000000..b39f731
--- /dev/null
+++ b/eslint/lib/rules/no-control-regex.js
@@ -0,0 +1,113 @@
+/**
+ * @fileoverview Rule to forbid control characters from regular expressions.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+const RegExpValidator = require("regexpp").RegExpValidator;
+const collector = new (class {
+    constructor() {
+        this.ecmaVersion = 2018;
+        this._source = "";
+        this._controlChars = [];
+        this._validator = new RegExpValidator(this);
+    }
+
+    onPatternEnter() {
+        this._controlChars = [];
+    }
+
+    onCharacter(start, end, cp) {
+        if (cp >= 0x00 &&
+            cp <= 0x1F &&
+            (
+                this._source.codePointAt(start) === cp ||
+                this._source.slice(start, end).startsWith("\\x") ||
+                this._source.slice(start, end).startsWith("\\u")
+            )
+        ) {
+            this._controlChars.push(`\\x${`0${cp.toString(16)}`.slice(-2)}`);
+        }
+    }
+
+    collectControlChars(regexpStr) {
+        try {
+            this._source = regexpStr;
+            this._validator.validatePattern(regexpStr); // Call onCharacter hook
+        } catch (err) {
+
+            // Ignore syntax errors in RegExp.
+        }
+        return this._controlChars;
+    }
+})();
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow control characters in regular expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-control-regex"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected control character(s) in regular expression: {{controlChars}}."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Get the regex expression
+         * @param {ASTNode} node node to evaluate
+         * @returns {RegExp|null} Regex if found else null
+         * @private
+         */
+        function getRegExpPattern(node) {
+            if (node.regex) {
+                return node.regex.pattern;
+            }
+            if (typeof node.value === "string" &&
+                (node.parent.type === "NewExpression" || node.parent.type === "CallExpression") &&
+                node.parent.callee.type === "Identifier" &&
+                node.parent.callee.name === "RegExp" &&
+                node.parent.arguments[0] === node
+            ) {
+                return node.value;
+            }
+
+            return null;
+        }
+
+        return {
+            Literal(node) {
+                const pattern = getRegExpPattern(node);
+
+                if (pattern) {
+                    const controlCharacters = collector.collectControlChars(pattern);
+
+                    if (controlCharacters.length > 0) {
+                        context.report({
+                            node,
+                            messageId: "unexpected",
+                            data: {
+                                controlChars: controlCharacters.join(", ")
+                            }
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-debugger.js b/eslint/lib/rules/no-debugger.js
new file mode 100644
index 0000000..95a28a8
--- /dev/null
+++ b/eslint/lib/rules/no-debugger.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Rule to flag use of a debugger statement
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow the use of `debugger`",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-debugger"
+        },
+
+        fixable: null,
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected 'debugger' statement."
+        }
+    },
+
+    create(context) {
+
+        return {
+            DebuggerStatement(node) {
+                context.report({
+                    node,
+                    messageId: "unexpected"
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-delete-var.js b/eslint/lib/rules/no-delete-var.js
new file mode 100644
index 0000000..aeab951
--- /dev/null
+++ b/eslint/lib/rules/no-delete-var.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Rule to flag when deleting variables
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow deleting variables",
+            category: "Variables",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-delete-var"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Variables should not be deleted."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            UnaryExpression(node) {
+                if (node.operator === "delete" && node.argument.type === "Identifier") {
+                    context.report({ node, messageId: "unexpected" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-div-regex.js b/eslint/lib/rules/no-div-regex.js
new file mode 100644
index 0000000..0ccabdc
--- /dev/null
+++ b/eslint/lib/rules/no-div-regex.js
@@ -0,0 +1,53 @@
+/**
+ * @fileoverview Rule to check for ambiguous div operator in regexes
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow division operators explicitly at the beginning of regular expressions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-div-regex"
+        },
+
+        fixable: "code",
+
+        schema: [],
+
+        messages: {
+            unexpected: "A regular expression literal can be confused with '/='."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+
+            Literal(node) {
+                const token = sourceCode.getFirstToken(node);
+
+                if (token.type === "RegularExpression" && token.value[1] === "=") {
+                    context.report({
+                        node,
+                        messageId: "unexpected",
+                        fix(fixer) {
+                            return fixer.replaceTextRange([token.range[0] + 1, token.range[0] + 2], "[=]");
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-dupe-args.js b/eslint/lib/rules/no-dupe-args.js
new file mode 100644
index 0000000..817277f
--- /dev/null
+++ b/eslint/lib/rules/no-dupe-args.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview Rule to flag duplicate arguments
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate arguments in `function` definitions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-dupe-args"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Duplicate param '{{name}}'."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Checks whether or not a given definition is a parameter's.
+         * @param {eslint-scope.DefEntry} def A definition to check.
+         * @returns {boolean} `true` if the definition is a parameter's.
+         */
+        function isParameter(def) {
+            return def.type === "Parameter";
+        }
+
+        /**
+         * Determines if a given node has duplicate parameters.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkParams(node) {
+            const variables = context.getDeclaredVariables(node);
+
+            for (let i = 0; i < variables.length; ++i) {
+                const variable = variables[i];
+
+                // Checks and reports duplications.
+                const defs = variable.defs.filter(isParameter);
+
+                if (defs.length >= 2) {
+                    context.report({
+                        node,
+                        messageId: "unexpected",
+                        data: { name: variable.name }
+                    });
+                }
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            FunctionDeclaration: checkParams,
+            FunctionExpression: checkParams
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-dupe-class-members.js b/eslint/lib/rules/no-dupe-class-members.js
new file mode 100644
index 0000000..b12939d
--- /dev/null
+++ b/eslint/lib/rules/no-dupe-class-members.js
@@ -0,0 +1,103 @@
+/**
+ * @fileoverview A rule to disallow duplicate name in class members.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate class members",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-dupe-class-members"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Duplicate name '{{name}}'."
+        }
+    },
+
+    create(context) {
+        let stack = [];
+
+        /**
+         * Gets state of a given member name.
+         * @param {string} name A name of a member.
+         * @param {boolean} isStatic A flag which specifies that is a static member.
+         * @returns {Object} A state of a given member name.
+         *   - retv.init {boolean} A flag which shows the name is declared as normal member.
+         *   - retv.get {boolean} A flag which shows the name is declared as getter.
+         *   - retv.set {boolean} A flag which shows the name is declared as setter.
+         */
+        function getState(name, isStatic) {
+            const stateMap = stack[stack.length - 1];
+            const key = `$${name}`; // to avoid "__proto__".
+
+            if (!stateMap[key]) {
+                stateMap[key] = {
+                    nonStatic: { init: false, get: false, set: false },
+                    static: { init: false, get: false, set: false }
+                };
+            }
+
+            return stateMap[key][isStatic ? "static" : "nonStatic"];
+        }
+
+        return {
+
+            // Initializes the stack of state of member declarations.
+            Program() {
+                stack = [];
+            },
+
+            // Initializes state of member declarations for the class.
+            ClassBody() {
+                stack.push(Object.create(null));
+            },
+
+            // Disposes the state for the class.
+            "ClassBody:exit"() {
+                stack.pop();
+            },
+
+            // Reports the node if its name has been declared already.
+            MethodDefinition(node) {
+                const name = astUtils.getStaticPropertyName(node);
+
+                if (name === null || node.kind === "constructor") {
+                    return;
+                }
+
+                const state = getState(name, node.static);
+                let isDuplicate = false;
+
+                if (node.kind === "get") {
+                    isDuplicate = (state.init || state.get);
+                    state.get = true;
+                } else if (node.kind === "set") {
+                    isDuplicate = (state.init || state.set);
+                    state.set = true;
+                } else {
+                    isDuplicate = (state.init || state.get || state.set);
+                    state.init = true;
+                }
+
+                if (isDuplicate) {
+                    context.report({ node, messageId: "unexpected", data: { name } });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-dupe-else-if.js b/eslint/lib/rules/no-dupe-else-if.js
new file mode 100644
index 0000000..cbeb437
--- /dev/null
+++ b/eslint/lib/rules/no-dupe-else-if.js
@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Rule to disallow duplicate conditions in if-else-if chains
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the first given array is a subset of the second given array.
+ * @param {Function} comparator A function to compare two elements, should return `true` if they are equal.
+ * @param {Array} arrA The array to compare from.
+ * @param {Array} arrB The array to compare against.
+ * @returns {boolean} `true` if the array `arrA` is a subset of the array `arrB`.
+ */
+function isSubsetByComparator(comparator, arrA, arrB) {
+    return arrA.every(a => arrB.some(b => comparator(a, b)));
+}
+
+/**
+ * Splits the given node by the given logical operator.
+ * @param {string} operator Logical operator `||` or `&&`.
+ * @param {ASTNode} node The node to split.
+ * @returns {ASTNode[]} Array of conditions that makes the node when joined by the operator.
+ */
+function splitByLogicalOperator(operator, node) {
+    if (node.type === "LogicalExpression" && node.operator === operator) {
+        return [...splitByLogicalOperator(operator, node.left), ...splitByLogicalOperator(operator, node.right)];
+    }
+    return [node];
+}
+
+const splitByOr = splitByLogicalOperator.bind(null, "||");
+const splitByAnd = splitByLogicalOperator.bind(null, "&&");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate conditions in if-else-if chains",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-dupe-else-if"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "This branch can never execute. Its condition is a duplicate or covered by previous conditions in the if-else-if chain."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether the two given nodes are considered to be equal. In particular, given that the nodes
+         * represent expressions in a boolean context, `||` and `&&` can be considered as commutative operators.
+         * @param {ASTNode} a First node.
+         * @param {ASTNode} b Second node.
+         * @returns {boolean} `true` if the nodes are considered to be equal.
+         */
+        function equal(a, b) {
+            if (a.type !== b.type) {
+                return false;
+            }
+
+            if (
+                a.type === "LogicalExpression" &&
+                (a.operator === "||" || a.operator === "&&") &&
+                a.operator === b.operator
+            ) {
+                return equal(a.left, b.left) && equal(a.right, b.right) ||
+                    equal(a.left, b.right) && equal(a.right, b.left);
+            }
+
+            return astUtils.equalTokens(a, b, sourceCode);
+        }
+
+        const isSubset = isSubsetByComparator.bind(null, equal);
+
+        return {
+            IfStatement(node) {
+                const test = node.test,
+                    conditionsToCheck = test.type === "LogicalExpression" && test.operator === "&&"
+                        ? [test, ...splitByAnd(test)]
+                        : [test];
+                let current = node,
+                    listToCheck = conditionsToCheck.map(c => splitByOr(c).map(splitByAnd));
+
+                while (current.parent && current.parent.type === "IfStatement" && current.parent.alternate === current) {
+                    current = current.parent;
+
+                    const currentOrOperands = splitByOr(current.test).map(splitByAnd);
+
+                    listToCheck = listToCheck.map(orOperands => orOperands.filter(
+                        orOperand => !currentOrOperands.some(currentOrOperand => isSubset(currentOrOperand, orOperand))
+                    ));
+
+                    if (listToCheck.some(orOperands => orOperands.length === 0)) {
+                        context.report({ node: test, messageId: "unexpected" });
+                        break;
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-dupe-keys.js b/eslint/lib/rules/no-dupe-keys.js
new file mode 100644
index 0000000..89e1f2d
--- /dev/null
+++ b/eslint/lib/rules/no-dupe-keys.js
@@ -0,0 +1,143 @@
+/**
+ * @fileoverview Rule to flag use of duplicate keys in an object.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const GET_KIND = /^(?:init|get)$/u;
+const SET_KIND = /^(?:init|set)$/u;
+
+/**
+ * The class which stores properties' information of an object.
+ */
+class ObjectInfo {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {ObjectInfo|null} upper The information of the outer object.
+     * @param {ASTNode} node The ObjectExpression node of this information.
+     */
+    constructor(upper, node) {
+        this.upper = upper;
+        this.node = node;
+        this.properties = new Map();
+    }
+
+    /**
+     * Gets the information of the given Property node.
+     * @param {ASTNode} node The Property node to get.
+     * @returns {{get: boolean, set: boolean}} The information of the property.
+     */
+    getPropertyInfo(node) {
+        const name = astUtils.getStaticPropertyName(node);
+
+        if (!this.properties.has(name)) {
+            this.properties.set(name, { get: false, set: false });
+        }
+        return this.properties.get(name);
+    }
+
+    /**
+     * Checks whether the given property has been defined already or not.
+     * @param {ASTNode} node The Property node to check.
+     * @returns {boolean} `true` if the property has been defined.
+     */
+    isPropertyDefined(node) {
+        const entry = this.getPropertyInfo(node);
+
+        return (
+            (GET_KIND.test(node.kind) && entry.get) ||
+            (SET_KIND.test(node.kind) && entry.set)
+        );
+    }
+
+    /**
+     * Defines the given property.
+     * @param {ASTNode} node The Property node to define.
+     * @returns {void}
+     */
+    defineProperty(node) {
+        const entry = this.getPropertyInfo(node);
+
+        if (GET_KIND.test(node.kind)) {
+            entry.get = true;
+        }
+        if (SET_KIND.test(node.kind)) {
+            entry.set = true;
+        }
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate keys in object literals",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-dupe-keys"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Duplicate key '{{name}}'."
+        }
+    },
+
+    create(context) {
+        let info = null;
+
+        return {
+            ObjectExpression(node) {
+                info = new ObjectInfo(info, node);
+            },
+            "ObjectExpression:exit"() {
+                info = info.upper;
+            },
+
+            Property(node) {
+                const name = astUtils.getStaticPropertyName(node);
+
+                // Skip destructuring.
+                if (node.parent.type !== "ObjectExpression") {
+                    return;
+                }
+
+                // Skip if the name is not static.
+                if (name === null) {
+                    return;
+                }
+
+                // Reports if the name is defined already.
+                if (info.isPropertyDefined(node)) {
+                    context.report({
+                        node: info.node,
+                        loc: node.key.loc,
+                        messageId: "unexpected",
+                        data: { name }
+                    });
+                }
+
+                // Update info.
+                info.defineProperty(node);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-duplicate-case.js b/eslint/lib/rules/no-duplicate-case.js
new file mode 100644
index 0000000..c8a0fa9
--- /dev/null
+++ b/eslint/lib/rules/no-duplicate-case.js
@@ -0,0 +1,52 @@
+/**
+ * @fileoverview Rule to disallow a duplicate case label.
+ * @author Dieter Oberkofler
+ * @author Burak Yigit Kaya
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate case labels",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-duplicate-case"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Duplicate case label."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            SwitchStatement(node) {
+                const previousKeys = new Set();
+
+                for (const switchCase of node.cases) {
+                    if (switchCase.test) {
+                        const key = sourceCode.getText(switchCase.test);
+
+                        if (previousKeys.has(key)) {
+                            context.report({ node: switchCase, messageId: "unexpected" });
+                        } else {
+                            previousKeys.add(key);
+                        }
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-duplicate-imports.js b/eslint/lib/rules/no-duplicate-imports.js
new file mode 100644
index 0000000..7218dc6
--- /dev/null
+++ b/eslint/lib/rules/no-duplicate-imports.js
@@ -0,0 +1,142 @@
+/**
+ * @fileoverview Restrict usage of duplicate imports.
+ * @author Simen Bekkhus
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the name of the module imported or re-exported.
+ * @param {ASTNode} node A node to get.
+ * @returns {string} the name of the module, or empty string if no name.
+ */
+function getValue(node) {
+    if (node && node.source && node.source.value) {
+        return node.source.value.trim();
+    }
+
+    return "";
+}
+
+/**
+ * Checks if the name of the import or export exists in the given array, and reports if so.
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {ASTNode} node A node to get.
+ * @param {string} value The name of the imported or exported module.
+ * @param {string[]} array The array containing other imports or exports in the file.
+ * @param {string} messageId A messageId to be reported after the name of the module
+ *
+ * @returns {void} No return value
+ */
+function checkAndReport(context, node, value, array, messageId) {
+    if (array.indexOf(value) !== -1) {
+        context.report({
+            node,
+            messageId,
+            data: {
+                module: value
+            }
+        });
+    }
+}
+
+/**
+ * @callback nodeCallback
+ * @param {ASTNode} node A node to handle.
+ */
+
+/**
+ * Returns a function handling the imports of a given file
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {boolean} includeExports Whether or not to check for exports in addition to imports.
+ * @param {string[]} importsInFile The array containing other imports in the file.
+ * @param {string[]} exportsInFile The array containing other exports in the file.
+ *
+ * @returns {nodeCallback} A function passed to ESLint to handle the statement.
+ */
+function handleImports(context, includeExports, importsInFile, exportsInFile) {
+    return function(node) {
+        const value = getValue(node);
+
+        if (value) {
+            checkAndReport(context, node, value, importsInFile, "import");
+
+            if (includeExports) {
+                checkAndReport(context, node, value, exportsInFile, "importAs");
+            }
+
+            importsInFile.push(value);
+        }
+    };
+}
+
+/**
+ * Returns a function handling the exports of a given file
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {string[]} importsInFile The array containing other imports in the file.
+ * @param {string[]} exportsInFile The array containing other exports in the file.
+ *
+ * @returns {nodeCallback} A function passed to ESLint to handle the statement.
+ */
+function handleExports(context, importsInFile, exportsInFile) {
+    return function(node) {
+        const value = getValue(node);
+
+        if (value) {
+            checkAndReport(context, node, value, exportsInFile, "export");
+            checkAndReport(context, node, value, importsInFile, "exportAs");
+
+            exportsInFile.push(value);
+        }
+    };
+}
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow duplicate module imports",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-duplicate-imports"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                includeExports: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+        messages: {
+            import: "'{{module}}' import is duplicated.",
+            importAs: "'{{module}}' import is duplicated as export.",
+            export: "'{{module}}' export is duplicated.",
+            exportAs: "'{{module}}' export is duplicated as import."
+        }
+    },
+
+    create(context) {
+        const includeExports = (context.options[0] || {}).includeExports,
+            importsInFile = [],
+            exportsInFile = [];
+
+        const handlers = {
+            ImportDeclaration: handleImports(context, includeExports, importsInFile, exportsInFile)
+        };
+
+        if (includeExports) {
+            handlers.ExportNamedDeclaration = handleExports(context, importsInFile, exportsInFile);
+            handlers.ExportAllDeclaration = handleExports(context, importsInFile, exportsInFile);
+        }
+
+        return handlers;
+    }
+};
diff --git a/eslint/lib/rules/no-else-return.js b/eslint/lib/rules/no-else-return.js
new file mode 100644
index 0000000..84409fa
--- /dev/null
+++ b/eslint/lib/rules/no-else-return.js
@@ -0,0 +1,404 @@
+/**
+ * @fileoverview Rule to flag `else` after a `return` in `if`
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const FixTracker = require("./utils/fix-tracker");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `else` blocks after `return` statements in `if` statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-else-return"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                allowElseIf: {
+                    type: "boolean",
+                    default: true
+                }
+            },
+            additionalProperties: false
+        }],
+
+        fixable: "code",
+
+        messages: {
+            unexpected: "Unnecessary 'else' after 'return'."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Checks whether the given names can be safely used to declare block-scoped variables
+         * in the given scope. Name collisions can produce redeclaration syntax errors,
+         * or silently change references and modify behavior of the original code.
+         *
+         * This is not a generic function. In particular, it is assumed that the scope is a function scope or
+         * a function's inner scope, and that the names can be valid identifiers in the given scope.
+         * @param {string[]} names Array of variable names.
+         * @param {eslint-scope.Scope} scope Function scope or a function's inner scope.
+         * @returns {boolean} True if all names can be safely declared, false otherwise.
+         */
+        function isSafeToDeclare(names, scope) {
+
+            if (names.length === 0) {
+                return true;
+            }
+
+            const functionScope = scope.variableScope;
+
+            /*
+             * If this is a function scope, scope.variables will contain parameters, implicit variables such as "arguments",
+             * all function-scoped variables ('var'), and block-scoped variables defined in the scope.
+             * If this is an inner scope, scope.variables will contain block-scoped variables defined in the scope.
+             *
+             * Redeclaring any of these would cause a syntax error, except for the implicit variables.
+             */
+            const declaredVariables = scope.variables.filter(({ defs }) => defs.length > 0);
+
+            if (declaredVariables.some(({ name }) => names.includes(name))) {
+                return false;
+            }
+
+            // Redeclaring a catch variable would also cause a syntax error.
+            if (scope !== functionScope && scope.upper.type === "catch") {
+                if (scope.upper.variables.some(({ name }) => names.includes(name))) {
+                    return false;
+                }
+            }
+
+            /*
+             * Redeclaring an implicit variable, such as "arguments", would not cause a syntax error.
+             * However, if the variable was used, declaring a new one with the same name would change references
+             * and modify behavior.
+             */
+            const usedImplicitVariables = scope.variables.filter(({ defs, references }) =>
+                defs.length === 0 && references.length > 0);
+
+            if (usedImplicitVariables.some(({ name }) => names.includes(name))) {
+                return false;
+            }
+
+            /*
+             * Declaring a variable with a name that was already used to reference a variable from an upper scope
+             * would change references and modify behavior.
+             */
+            if (scope.through.some(t => names.includes(t.identifier.name))) {
+                return false;
+            }
+
+            /*
+             * If the scope is an inner scope (not the function scope), an uninitialized `var` variable declared inside
+             * the scope node (directly or in one of its descendants) is neither declared nor 'through' in the scope.
+             *
+             * For example, this would be a syntax error "Identifier 'a' has already been declared":
+             * function foo() { if (bar) { let a; if (baz) { var a; } } }
+             */
+            if (scope !== functionScope) {
+                const scopeNodeRange = scope.block.range;
+                const variablesToCheck = functionScope.variables.filter(({ name }) => names.includes(name));
+
+                if (variablesToCheck.some(v => v.defs.some(({ node: { range } }) =>
+                    scopeNodeRange[0] <= range[0] && range[1] <= scopeNodeRange[1]))) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+
+        /**
+         * Checks whether the removal of `else` and its braces is safe from variable name collisions.
+         * @param {Node} node The 'else' node.
+         * @param {eslint-scope.Scope} scope The scope in which the node and the whole 'if' statement is.
+         * @returns {boolean} True if it is safe, false otherwise.
+         */
+        function isSafeFromNameCollisions(node, scope) {
+
+            if (node.type === "FunctionDeclaration") {
+
+                // Conditional function declaration. Scope and hoisting are unpredictable, different engines work differently.
+                return false;
+            }
+
+            if (node.type !== "BlockStatement") {
+                return true;
+            }
+
+            const elseBlockScope = scope.childScopes.find(({ block }) => block === node);
+
+            if (!elseBlockScope) {
+
+                // ecmaVersion < 6, `else` block statement cannot have its own scope, no possible collisions.
+                return true;
+            }
+
+            /*
+             * elseBlockScope is supposed to merge into its upper scope. elseBlockScope.variables array contains
+             * only block-scoped variables (such as let and const variables or class and function declarations)
+             * defined directly in the elseBlockScope. These are exactly the only names that could cause collisions.
+             */
+            const namesToCheck = elseBlockScope.variables.map(({ name }) => name);
+
+            return isSafeToDeclare(namesToCheck, scope);
+        }
+
+        /**
+         * Display the context report if rule is violated
+         * @param {Node} node The 'else' node
+         * @returns {void}
+         */
+        function displayReport(node) {
+            const currentScope = context.getScope();
+
+            context.report({
+                node,
+                messageId: "unexpected",
+                fix: fixer => {
+
+                    if (!isSafeFromNameCollisions(node, currentScope)) {
+                        return null;
+                    }
+
+                    const sourceCode = context.getSourceCode();
+                    const startToken = sourceCode.getFirstToken(node);
+                    const elseToken = sourceCode.getTokenBefore(startToken);
+                    const source = sourceCode.getText(node);
+                    const lastIfToken = sourceCode.getTokenBefore(elseToken);
+                    let fixedSource, firstTokenOfElseBlock;
+
+                    if (startToken.type === "Punctuator" && startToken.value === "{") {
+                        firstTokenOfElseBlock = sourceCode.getTokenAfter(startToken);
+                    } else {
+                        firstTokenOfElseBlock = startToken;
+                    }
+
+                    /*
+                     * If the if block does not have curly braces and does not end in a semicolon
+                     * and the else block starts with (, [, /, +, ` or -, then it is not
+                     * safe to remove the else keyword, because ASI will not add a semicolon
+                     * after the if block
+                     */
+                    const ifBlockMaybeUnsafe = node.parent.consequent.type !== "BlockStatement" && lastIfToken.value !== ";";
+                    const elseBlockUnsafe = /^[([/+`-]/u.test(firstTokenOfElseBlock.value);
+
+                    if (ifBlockMaybeUnsafe && elseBlockUnsafe) {
+                        return null;
+                    }
+
+                    const endToken = sourceCode.getLastToken(node);
+                    const lastTokenOfElseBlock = sourceCode.getTokenBefore(endToken);
+
+                    if (lastTokenOfElseBlock.value !== ";") {
+                        const nextToken = sourceCode.getTokenAfter(endToken);
+
+                        const nextTokenUnsafe = nextToken && /^[([/+`-]/u.test(nextToken.value);
+                        const nextTokenOnSameLine = nextToken && nextToken.loc.start.line === lastTokenOfElseBlock.loc.start.line;
+
+                        /*
+                         * If the else block contents does not end in a semicolon,
+                         * and the else block starts with (, [, /, +, ` or -, then it is not
+                         * safe to remove the else block, because ASI will not add a semicolon
+                         * after the remaining else block contents
+                         */
+                        if (nextTokenUnsafe || (nextTokenOnSameLine && nextToken.value !== "}")) {
+                            return null;
+                        }
+                    }
+
+                    if (startToken.type === "Punctuator" && startToken.value === "{") {
+                        fixedSource = source.slice(1, -1);
+                    } else {
+                        fixedSource = source;
+                    }
+
+                    /*
+                     * Extend the replacement range to include the entire
+                     * function to avoid conflicting with no-useless-return.
+                     * https://github.com/eslint/eslint/issues/8026
+                     *
+                     * Also, to avoid name collisions between two else blocks.
+                     */
+                    return new FixTracker(fixer, sourceCode)
+                        .retainEnclosingFunction(node)
+                        .replaceTextRange([elseToken.range[0], node.range[1]], fixedSource);
+                }
+            });
+        }
+
+        /**
+         * Check to see if the node is a ReturnStatement
+         * @param {Node} node The node being evaluated
+         * @returns {boolean} True if node is a return
+         */
+        function checkForReturn(node) {
+            return node.type === "ReturnStatement";
+        }
+
+        /**
+         * Naive return checking, does not iterate through the whole
+         * BlockStatement because we make the assumption that the ReturnStatement
+         * will be the last node in the body of the BlockStatement.
+         * @param {Node} node The consequent/alternate node
+         * @returns {boolean} True if it has a return
+         */
+        function naiveHasReturn(node) {
+            if (node.type === "BlockStatement") {
+                const body = node.body,
+                    lastChildNode = body[body.length - 1];
+
+                return lastChildNode && checkForReturn(lastChildNode);
+            }
+            return checkForReturn(node);
+        }
+
+        /**
+         * Check to see if the node is valid for evaluation,
+         * meaning it has an else.
+         * @param {Node} node The node being evaluated
+         * @returns {boolean} True if the node is valid
+         */
+        function hasElse(node) {
+            return node.alternate && node.consequent;
+        }
+
+        /**
+         * If the consequent is an IfStatement, check to see if it has an else
+         * and both its consequent and alternate path return, meaning this is
+         * a nested case of rule violation.  If-Else not considered currently.
+         * @param {Node} node The consequent node
+         * @returns {boolean} True if this is a nested rule violation
+         */
+        function checkForIf(node) {
+            return node.type === "IfStatement" && hasElse(node) &&
+                naiveHasReturn(node.alternate) && naiveHasReturn(node.consequent);
+        }
+
+        /**
+         * Check the consequent/body node to make sure it is not
+         * a ReturnStatement or an IfStatement that returns on both
+         * code paths.
+         * @param {Node} node The consequent or body node
+         * @returns {boolean} `true` if it is a Return/If node that always returns.
+         */
+        function checkForReturnOrIf(node) {
+            return checkForReturn(node) || checkForIf(node);
+        }
+
+
+        /**
+         * Check whether a node returns in every codepath.
+         * @param {Node} node The node to be checked
+         * @returns {boolean} `true` if it returns on every codepath.
+         */
+        function alwaysReturns(node) {
+            if (node.type === "BlockStatement") {
+
+                // If we have a BlockStatement, check each consequent body node.
+                return node.body.some(checkForReturnOrIf);
+            }
+
+            /*
+             * If not a block statement, make sure the consequent isn't a
+             * ReturnStatement or an IfStatement with returns on both paths.
+             */
+            return checkForReturnOrIf(node);
+        }
+
+
+        /**
+         * Check the if statement, but don't catch else-if blocks.
+         * @returns {void}
+         * @param {Node} node The node for the if statement to check
+         * @private
+         */
+        function checkIfWithoutElse(node) {
+            const parent = node.parent;
+
+            /*
+             * Fixing this would require splitting one statement into two, so no error should
+             * be reported if this node is in a position where only one statement is allowed.
+             */
+            if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) {
+                return;
+            }
+
+            const consequents = [];
+            let alternate;
+
+            for (let currentNode = node; currentNode.type === "IfStatement"; currentNode = currentNode.alternate) {
+                if (!currentNode.alternate) {
+                    return;
+                }
+                consequents.push(currentNode.consequent);
+                alternate = currentNode.alternate;
+            }
+
+            if (consequents.every(alwaysReturns)) {
+                displayReport(alternate);
+            }
+        }
+
+        /**
+         * Check the if statement
+         * @returns {void}
+         * @param {Node} node The node for the if statement to check
+         * @private
+         */
+        function checkIfWithElse(node) {
+            const parent = node.parent;
+
+
+            /*
+             * Fixing this would require splitting one statement into two, so no error should
+             * be reported if this node is in a position where only one statement is allowed.
+             */
+            if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) {
+                return;
+            }
+
+            const alternate = node.alternate;
+
+            if (alternate && alwaysReturns(node.consequent)) {
+                displayReport(alternate);
+            }
+        }
+
+        const allowElseIf = !(context.options[0] && context.options[0].allowElseIf === false);
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            "IfStatement:exit": allowElseIf ? checkIfWithoutElse : checkIfWithElse
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-empty-character-class.js b/eslint/lib/rules/no-empty-character-class.js
new file mode 100644
index 0000000..7dc219f
--- /dev/null
+++ b/eslint/lib/rules/no-empty-character-class.js
@@ -0,0 +1,64 @@
+/**
+ * @fileoverview Rule to flag the use of empty character classes in regular expressions
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/*
+ * plain-English description of the following regexp:
+ * 0. `^` fix the match at the beginning of the string
+ * 1. `\/`: the `/` that begins the regexp
+ * 2. `([^\\[]|\\.|\[([^\\\]]|\\.)+\])*`: regexp contents; 0 or more of the following
+ * 2.0. `[^\\[]`: any character that's not a `\` or a `[` (anything but escape sequences and character classes)
+ * 2.1. `\\.`: an escape sequence
+ * 2.2. `\[([^\\\]]|\\.)+\]`: a character class that isn't empty
+ * 3. `\/` the `/` that ends the regexp
+ * 4. `[gimuy]*`: optional regexp flags
+ * 5. `$`: fix the match at the end of the string
+ */
+const regex = /^\/([^\\[]|\\.|\[([^\\\]]|\\.)+\])*\/[gimuys]*$/u;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow empty character classes in regular expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-empty-character-class"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Empty class."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+
+            Literal(node) {
+                const token = sourceCode.getFirstToken(node);
+
+                if (token.type === "RegularExpression" && !regex.test(token.value)) {
+                    context.report({ node, messageId: "unexpected" });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-empty-function.js b/eslint/lib/rules/no-empty-function.js
new file mode 100644
index 0000000..c743211
--- /dev/null
+++ b/eslint/lib/rules/no-empty-function.js
@@ -0,0 +1,167 @@
+/**
+ * @fileoverview Rule to disallow empty functions.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ALLOW_OPTIONS = Object.freeze([
+    "functions",
+    "arrowFunctions",
+    "generatorFunctions",
+    "methods",
+    "generatorMethods",
+    "getters",
+    "setters",
+    "constructors",
+    "asyncFunctions",
+    "asyncMethods"
+]);
+
+/**
+ * Gets the kind of a given function node.
+ * @param {ASTNode} node A function node to get. This is one of
+ *      an ArrowFunctionExpression, a FunctionDeclaration, or a
+ *      FunctionExpression.
+ * @returns {string} The kind of the function. This is one of "functions",
+ *      "arrowFunctions", "generatorFunctions", "asyncFunctions", "methods",
+ *      "generatorMethods", "asyncMethods", "getters", "setters", and
+ *      "constructors".
+ */
+function getKind(node) {
+    const parent = node.parent;
+    let kind = "";
+
+    if (node.type === "ArrowFunctionExpression") {
+        return "arrowFunctions";
+    }
+
+    // Detects main kind.
+    if (parent.type === "Property") {
+        if (parent.kind === "get") {
+            return "getters";
+        }
+        if (parent.kind === "set") {
+            return "setters";
+        }
+        kind = parent.method ? "methods" : "functions";
+
+    } else if (parent.type === "MethodDefinition") {
+        if (parent.kind === "get") {
+            return "getters";
+        }
+        if (parent.kind === "set") {
+            return "setters";
+        }
+        if (parent.kind === "constructor") {
+            return "constructors";
+        }
+        kind = "methods";
+
+    } else {
+        kind = "functions";
+    }
+
+    // Detects prefix.
+    let prefix = "";
+
+    if (node.generator) {
+        prefix = "generator";
+    } else if (node.async) {
+        prefix = "async";
+    } else {
+        return kind;
+    }
+    return prefix + kind[0].toUpperCase() + kind.slice(1);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow empty functions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-empty-function"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allow: {
+                        type: "array",
+                        items: { enum: ALLOW_OPTIONS },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "Unexpected empty {{name}}."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const allowed = options.allow || [];
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports a given function node if the node matches the following patterns.
+         *
+         * - Not allowed by options.
+         * - The body is empty.
+         * - The body doesn't have any comments.
+         * @param {ASTNode} node A function node to report. This is one of
+         *      an ArrowFunctionExpression, a FunctionDeclaration, or a
+         *      FunctionExpression.
+         * @returns {void}
+         */
+        function reportIfEmpty(node) {
+            const kind = getKind(node);
+            const name = astUtils.getFunctionNameWithKind(node);
+            const innerComments = sourceCode.getTokens(node.body, {
+                includeComments: true,
+                filter: astUtils.isCommentToken
+            });
+
+            if (allowed.indexOf(kind) === -1 &&
+                node.body.type === "BlockStatement" &&
+                node.body.body.length === 0 &&
+                innerComments.length === 0
+            ) {
+                context.report({
+                    node,
+                    loc: node.body.loc.start,
+                    messageId: "unexpected",
+                    data: { name }
+                });
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: reportIfEmpty,
+            FunctionDeclaration: reportIfEmpty,
+            FunctionExpression: reportIfEmpty
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-empty-pattern.js b/eslint/lib/rules/no-empty-pattern.js
new file mode 100644
index 0000000..9f34bfd
--- /dev/null
+++ b/eslint/lib/rules/no-empty-pattern.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Rule to disallow an empty pattern
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow empty destructuring patterns",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-empty-pattern"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Unexpected empty {{type}} pattern."
+        }
+    },
+
+    create(context) {
+        return {
+            ObjectPattern(node) {
+                if (node.properties.length === 0) {
+                    context.report({ node, messageId: "unexpected", data: { type: "object" } });
+                }
+            },
+            ArrayPattern(node) {
+                if (node.elements.length === 0) {
+                    context.report({ node, messageId: "unexpected", data: { type: "array" } });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-empty.js b/eslint/lib/rules/no-empty.js
new file mode 100644
index 0000000..45bf03c
--- /dev/null
+++ b/eslint/lib/rules/no-empty.js
@@ -0,0 +1,86 @@
+/**
+ * @fileoverview Rule to flag use of an empty block statement
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow empty block statements",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-empty"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowEmptyCatch: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "Empty {{type}} statement."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {},
+            allowEmptyCatch = options.allowEmptyCatch || false;
+
+        const sourceCode = context.getSourceCode();
+
+        return {
+            BlockStatement(node) {
+
+                // if the body is not empty, we can just return immediately
+                if (node.body.length !== 0) {
+                    return;
+                }
+
+                // a function is generally allowed to be empty
+                if (astUtils.isFunction(node.parent)) {
+                    return;
+                }
+
+                if (allowEmptyCatch && node.parent.type === "CatchClause") {
+                    return;
+                }
+
+                // any other block is only allowed to be empty, if it contains a comment
+                if (sourceCode.getCommentsInside(node).length > 0) {
+                    return;
+                }
+
+                context.report({ node, messageId: "unexpected", data: { type: "block" } });
+            },
+
+            SwitchStatement(node) {
+
+                if (typeof node.cases === "undefined" || node.cases.length === 0) {
+                    context.report({ node, messageId: "unexpected", data: { type: "switch" } });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-eq-null.js b/eslint/lib/rules/no-eq-null.js
new file mode 100644
index 0000000..b8dead9
--- /dev/null
+++ b/eslint/lib/rules/no-eq-null.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Rule to flag comparisons to null without a type-checking
+ * operator.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `null` comparisons without type-checking operators",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-eq-null"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Use '===' to compare with null."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            BinaryExpression(node) {
+                const badOperator = node.operator === "==" || node.operator === "!=";
+
+                if (node.right.type === "Literal" && node.right.raw === "null" && badOperator ||
+                        node.left.type === "Literal" && node.left.raw === "null" && badOperator) {
+                    context.report({ node, messageId: "unexpected" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-eval.js b/eslint/lib/rules/no-eval.js
new file mode 100644
index 0000000..811ad4e
--- /dev/null
+++ b/eslint/lib/rules/no-eval.js
@@ -0,0 +1,307 @@
+/**
+ * @fileoverview Rule to flag use of eval() statement
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const candidatesOfGlobalObject = Object.freeze([
+    "global",
+    "window",
+    "globalThis"
+]);
+
+/**
+ * Checks a given node is a Identifier node of the specified name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a Identifier node of the name.
+ */
+function isIdentifier(node, name) {
+    return node.type === "Identifier" && node.name === name;
+}
+
+/**
+ * Checks a given node is a Literal node of the specified string value.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a Literal node of the name.
+ */
+function isConstant(node, name) {
+    switch (node.type) {
+        case "Literal":
+            return node.value === name;
+
+        case "TemplateLiteral":
+            return (
+                node.expressions.length === 0 &&
+                node.quasis[0].value.cooked === name
+            );
+
+        default:
+            return false;
+    }
+}
+
+/**
+ * Checks a given node is a MemberExpression node which has the specified name's
+ * property.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a MemberExpression node which has
+ *      the specified name's property
+ */
+function isMember(node, name) {
+    return (
+        node.type === "MemberExpression" &&
+        (node.computed ? isConstant : isIdentifier)(node.property, name)
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `eval()`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-eval"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowIndirect: { type: "boolean", default: false }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "eval can be harmful."
+        }
+    },
+
+    create(context) {
+        const allowIndirect = Boolean(
+            context.options[0] &&
+            context.options[0].allowIndirect
+        );
+        const sourceCode = context.getSourceCode();
+        let funcInfo = null;
+
+        /**
+         * Pushs a variable scope (Program or Function) information to the stack.
+         *
+         * This is used in order to check whether or not `this` binding is a
+         * reference to the global object.
+         * @param {ASTNode} node A node of the scope. This is one of Program,
+         *      FunctionDeclaration, FunctionExpression, and ArrowFunctionExpression.
+         * @returns {void}
+         */
+        function enterVarScope(node) {
+            const strict = context.getScope().isStrict;
+
+            funcInfo = {
+                upper: funcInfo,
+                node,
+                strict,
+                defaultThis: false,
+                initialized: strict
+            };
+        }
+
+        /**
+         * Pops a variable scope from the stack.
+         * @returns {void}
+         */
+        function exitVarScope() {
+            funcInfo = funcInfo.upper;
+        }
+
+        /**
+         * Reports a given node.
+         *
+         * `node` is `Identifier` or `MemberExpression`.
+         * The parent of `node` might be `CallExpression`.
+         *
+         * The location of the report is always `eval` `Identifier` (or possibly
+         * `Literal`). The type of the report is `CallExpression` if the parent is
+         * `CallExpression`. Otherwise, it's the given node type.
+         * @param {ASTNode} node A node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            const parent = node.parent;
+            const locationNode = node.type === "MemberExpression"
+                ? node.property
+                : node;
+
+            const reportNode = parent.type === "CallExpression" && parent.callee === node
+                ? parent
+                : node;
+
+            context.report({
+                node: reportNode,
+                loc: locationNode.loc,
+                messageId: "unexpected"
+            });
+        }
+
+        /**
+         * Reports accesses of `eval` via the global object.
+         * @param {eslint-scope.Scope} globalScope The global scope.
+         * @returns {void}
+         */
+        function reportAccessingEvalViaGlobalObject(globalScope) {
+            for (let i = 0; i < candidatesOfGlobalObject.length; ++i) {
+                const name = candidatesOfGlobalObject[i];
+                const variable = astUtils.getVariableByName(globalScope, name);
+
+                if (!variable) {
+                    continue;
+                }
+
+                const references = variable.references;
+
+                for (let j = 0; j < references.length; ++j) {
+                    const identifier = references[j].identifier;
+                    let node = identifier.parent;
+
+                    // To detect code like `window.window.eval`.
+                    while (isMember(node, name)) {
+                        node = node.parent;
+                    }
+
+                    // Reports.
+                    if (isMember(node, "eval")) {
+                        report(node);
+                    }
+                }
+            }
+        }
+
+        /**
+         * Reports all accesses of `eval` (excludes direct calls to eval).
+         * @param {eslint-scope.Scope} globalScope The global scope.
+         * @returns {void}
+         */
+        function reportAccessingEval(globalScope) {
+            const variable = astUtils.getVariableByName(globalScope, "eval");
+
+            if (!variable) {
+                return;
+            }
+
+            const references = variable.references;
+
+            for (let i = 0; i < references.length; ++i) {
+                const reference = references[i];
+                const id = reference.identifier;
+
+                if (id.name === "eval" && !astUtils.isCallee(id)) {
+
+                    // Is accessing to eval (excludes direct calls to eval)
+                    report(id);
+                }
+            }
+        }
+
+        if (allowIndirect) {
+
+            // Checks only direct calls to eval. It's simple!
+            return {
+                "CallExpression:exit"(node) {
+                    const callee = node.callee;
+
+                    if (isIdentifier(callee, "eval")) {
+                        report(callee);
+                    }
+                }
+            };
+        }
+
+        return {
+            "CallExpression:exit"(node) {
+                const callee = node.callee;
+
+                if (isIdentifier(callee, "eval")) {
+                    report(callee);
+                }
+            },
+
+            Program(node) {
+                const scope = context.getScope(),
+                    features = context.parserOptions.ecmaFeatures || {},
+                    strict =
+                        scope.isStrict ||
+                        node.sourceType === "module" ||
+                        (features.globalReturn && scope.childScopes[0].isStrict);
+
+                funcInfo = {
+                    upper: null,
+                    node,
+                    strict,
+                    defaultThis: true,
+                    initialized: true
+                };
+            },
+
+            "Program:exit"() {
+                const globalScope = context.getScope();
+
+                exitVarScope();
+                reportAccessingEval(globalScope);
+                reportAccessingEvalViaGlobalObject(globalScope);
+            },
+
+            FunctionDeclaration: enterVarScope,
+            "FunctionDeclaration:exit": exitVarScope,
+            FunctionExpression: enterVarScope,
+            "FunctionExpression:exit": exitVarScope,
+            ArrowFunctionExpression: enterVarScope,
+            "ArrowFunctionExpression:exit": exitVarScope,
+
+            ThisExpression(node) {
+                if (!isMember(node.parent, "eval")) {
+                    return;
+                }
+
+                /*
+                 * `this.eval` is found.
+                 * Checks whether or not the value of `this` is the global object.
+                 */
+                if (!funcInfo.initialized) {
+                    funcInfo.initialized = true;
+                    funcInfo.defaultThis = astUtils.isDefaultThisBinding(
+                        funcInfo.node,
+                        sourceCode
+                    );
+                }
+
+                if (!funcInfo.strict && funcInfo.defaultThis) {
+
+                    // `this.eval` is possible built-in `eval`.
+                    report(node.parent);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-ex-assign.js b/eslint/lib/rules/no-ex-assign.js
new file mode 100644
index 0000000..1163920
--- /dev/null
+++ b/eslint/lib/rules/no-ex-assign.js
@@ -0,0 +1,52 @@
+/**
+ * @fileoverview Rule to flag assignment of the exception parameter
+ * @author Stephen Murray <spmurrayzzz>
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow reassigning exceptions in `catch` clauses",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-ex-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpected: "Do not assign to the exception parameter."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            astUtils.getModifyingReferences(variable.references).forEach(reference => {
+                context.report({ node: reference.identifier, messageId: "unexpected" });
+            });
+        }
+
+        return {
+            CatchClause(node) {
+                context.getDeclaredVariables(node).forEach(checkVariable);
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-extend-native.js b/eslint/lib/rules/no-extend-native.js
new file mode 100644
index 0000000..7ab25ab
--- /dev/null
+++ b/eslint/lib/rules/no-extend-native.js
@@ -0,0 +1,181 @@
+/**
+ * @fileoverview Rule to flag adding properties to native object's prototypes.
+ * @author David Nelson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const globals = require("globals");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const propertyDefinitionMethods = new Set(["defineProperty", "defineProperties"]);
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow extending native types",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-extend-native"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpected: "{{builtin}} prototype is read only, properties should not be added."
+        }
+    },
+
+    create(context) {
+
+        const config = context.options[0] || {};
+        const exceptions = new Set(config.exceptions || []);
+        const modifiedBuiltins = new Set(
+            Object.keys(globals.builtin)
+                .filter(builtin => builtin[0].toUpperCase() === builtin[0])
+                .filter(builtin => !exceptions.has(builtin))
+        );
+
+        /**
+         * Reports a lint error for the given node.
+         * @param {ASTNode} node The node to report.
+         * @param {string} builtin The name of the native builtin being extended.
+         * @returns {void}
+         */
+        function reportNode(node, builtin) {
+            context.report({
+                node,
+                messageId: "unexpected",
+                data: {
+                    builtin
+                }
+            });
+        }
+
+        /**
+         * Check to see if the `prototype` property of the given object
+         * identifier node is being accessed.
+         * @param {ASTNode} identifierNode The Identifier representing the object
+         * to check.
+         * @returns {boolean} True if the identifier is the object of a
+         * MemberExpression and its `prototype` property is being accessed,
+         * false otherwise.
+         */
+        function isPrototypePropertyAccessed(identifierNode) {
+            return Boolean(
+                identifierNode &&
+                identifierNode.parent &&
+                identifierNode.parent.type === "MemberExpression" &&
+                identifierNode.parent.object === identifierNode &&
+                astUtils.getStaticPropertyName(identifierNode.parent) === "prototype"
+            );
+        }
+
+        /**
+         * Checks that an identifier is an object of a prototype whose member
+         * is being assigned in an AssignmentExpression.
+         * Example: Object.prototype.foo = "bar"
+         * @param {ASTNode} identifierNode The identifier to check.
+         * @returns {boolean} True if the identifier's prototype is modified.
+         */
+        function isInPrototypePropertyAssignment(identifierNode) {
+            return Boolean(
+                isPrototypePropertyAccessed(identifierNode) &&
+                identifierNode.parent.parent.type === "MemberExpression" &&
+                identifierNode.parent.parent.parent.type === "AssignmentExpression" &&
+                identifierNode.parent.parent.parent.left === identifierNode.parent.parent
+            );
+        }
+
+        /**
+         * Checks that an identifier is an object of a prototype whose member
+         * is being extended via the Object.defineProperty() or
+         * Object.defineProperties() methods.
+         * Example: Object.defineProperty(Array.prototype, "foo", ...)
+         * Example: Object.defineProperties(Array.prototype, ...)
+         * @param {ASTNode} identifierNode The identifier to check.
+         * @returns {boolean} True if the identifier's prototype is modified.
+         */
+        function isInDefinePropertyCall(identifierNode) {
+            return Boolean(
+                isPrototypePropertyAccessed(identifierNode) &&
+                identifierNode.parent.parent.type === "CallExpression" &&
+                identifierNode.parent.parent.arguments[0] === identifierNode.parent &&
+                identifierNode.parent.parent.callee.type === "MemberExpression" &&
+                identifierNode.parent.parent.callee.object.type === "Identifier" &&
+                identifierNode.parent.parent.callee.object.name === "Object" &&
+                identifierNode.parent.parent.callee.property.type === "Identifier" &&
+                propertyDefinitionMethods.has(identifierNode.parent.parent.callee.property.name)
+            );
+        }
+
+        /**
+         * Check to see if object prototype access is part of a prototype
+         * extension. There are three ways a prototype can be extended:
+         * 1. Assignment to prototype property (Object.prototype.foo = 1)
+         * 2. Object.defineProperty()/Object.defineProperties() on a prototype
+         * If prototype extension is detected, report the AssignmentExpression
+         * or CallExpression node.
+         * @param {ASTNode} identifierNode The Identifier representing the object
+         * which prototype is being accessed and possibly extended.
+         * @returns {void}
+         */
+        function checkAndReportPrototypeExtension(identifierNode) {
+            if (isInPrototypePropertyAssignment(identifierNode)) {
+
+                // Identifier --> MemberExpression --> MemberExpression --> AssignmentExpression
+                reportNode(identifierNode.parent.parent.parent, identifierNode.name);
+            } else if (isInDefinePropertyCall(identifierNode)) {
+
+                // Identifier --> MemberExpression --> CallExpression
+                reportNode(identifierNode.parent.parent, identifierNode.name);
+            }
+        }
+
+        return {
+
+            "Program:exit"() {
+                const globalScope = context.getScope();
+
+                modifiedBuiltins.forEach(builtin => {
+                    const builtinVar = globalScope.set.get(builtin);
+
+                    if (builtinVar && builtinVar.references) {
+                        builtinVar.references
+                            .map(ref => ref.identifier)
+                            .forEach(checkAndReportPrototypeExtension);
+                    }
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-extra-bind.js b/eslint/lib/rules/no-extra-bind.js
new file mode 100644
index 0000000..df69592
--- /dev/null
+++ b/eslint/lib/rules/no-extra-bind.js
@@ -0,0 +1,173 @@
+/**
+ * @fileoverview Rule to flag unnecessary bind calls
+ * @author Bence Dányi <bence@danyi.me>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SIDE_EFFECT_FREE_NODE_TYPES = new Set(["Literal", "Identifier", "ThisExpression", "FunctionExpression"]);
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary calls to `.bind()`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-extra-bind"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unexpected: "The function binding is unnecessary."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let scopeInfo = null;
+
+        /**
+         * Checks if a node is free of side effects.
+         *
+         * This check is stricter than it needs to be, in order to keep the implementation simple.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} True if the node is known to be side-effect free, false otherwise.
+         */
+        function isSideEffectFree(node) {
+            return SIDE_EFFECT_FREE_NODE_TYPES.has(node.type);
+        }
+
+        /**
+         * Reports a given function node.
+         * @param {ASTNode} node A node to report. This is a FunctionExpression or
+         *      an ArrowFunctionExpression.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node: node.parent.parent,
+                messageId: "unexpected",
+                loc: node.parent.property.loc,
+                fix(fixer) {
+                    if (node.parent.parent.arguments.length && !isSideEffectFree(node.parent.parent.arguments[0])) {
+                        return null;
+                    }
+
+                    const firstTokenToRemove = sourceCode
+                        .getFirstTokenBetween(node.parent.object, node.parent.property, astUtils.isNotClosingParenToken);
+                    const lastTokenToRemove = sourceCode.getLastToken(node.parent.parent);
+
+                    if (sourceCode.commentsExistBetween(firstTokenToRemove, lastTokenToRemove)) {
+                        return null;
+                    }
+
+                    return fixer.removeRange([firstTokenToRemove.range[0], node.parent.parent.range[1]]);
+                }
+            });
+        }
+
+        /**
+         * Checks whether or not a given function node is the callee of `.bind()`
+         * method.
+         *
+         * e.g. `(function() {}.bind(foo))`
+         * @param {ASTNode} node A node to report. This is a FunctionExpression or
+         *      an ArrowFunctionExpression.
+         * @returns {boolean} `true` if the node is the callee of `.bind()` method.
+         */
+        function isCalleeOfBindMethod(node) {
+            const parent = node.parent;
+            const grandparent = parent.parent;
+
+            return (
+                grandparent &&
+                grandparent.type === "CallExpression" &&
+                grandparent.callee === parent &&
+                grandparent.arguments.length === 1 &&
+                grandparent.arguments[0].type !== "SpreadElement" &&
+                parent.type === "MemberExpression" &&
+                parent.object === node &&
+                astUtils.getStaticPropertyName(parent) === "bind"
+            );
+        }
+
+        /**
+         * Adds a scope information object to the stack.
+         * @param {ASTNode} node A node to add. This node is a FunctionExpression
+         *      or a FunctionDeclaration node.
+         * @returns {void}
+         */
+        function enterFunction(node) {
+            scopeInfo = {
+                isBound: isCalleeOfBindMethod(node),
+                thisFound: false,
+                upper: scopeInfo
+            };
+        }
+
+        /**
+         * Removes the scope information object from the top of the stack.
+         * At the same time, this reports the function node if the function has
+         * `.bind()` and the `this` keywords found.
+         * @param {ASTNode} node A node to remove. This node is a
+         *      FunctionExpression or a FunctionDeclaration node.
+         * @returns {void}
+         */
+        function exitFunction(node) {
+            if (scopeInfo.isBound && !scopeInfo.thisFound) {
+                report(node);
+            }
+
+            scopeInfo = scopeInfo.upper;
+        }
+
+        /**
+         * Reports a given arrow function if the function is callee of `.bind()`
+         * method.
+         * @param {ASTNode} node A node to report. This node is an
+         *      ArrowFunctionExpression.
+         * @returns {void}
+         */
+        function exitArrowFunction(node) {
+            if (isCalleeOfBindMethod(node)) {
+                report(node);
+            }
+        }
+
+        /**
+         * Set the mark as the `this` keyword was found in this scope.
+         * @returns {void}
+         */
+        function markAsThisFound() {
+            if (scopeInfo) {
+                scopeInfo.thisFound = true;
+            }
+        }
+
+        return {
+            "ArrowFunctionExpression:exit": exitArrowFunction,
+            FunctionDeclaration: enterFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            FunctionExpression: enterFunction,
+            "FunctionExpression:exit": exitFunction,
+            ThisExpression: markAsThisFound
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-extra-boolean-cast.js b/eslint/lib/rules/no-extra-boolean-cast.js
new file mode 100644
index 0000000..aba8e63
--- /dev/null
+++ b/eslint/lib/rules/no-extra-boolean-cast.js
@@ -0,0 +1,306 @@
+/**
+ * @fileoverview Rule to flag unnecessary double negation in Boolean contexts
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const eslintUtils = require("eslint-utils");
+
+const precedence = astUtils.getPrecedence;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary boolean casts",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-extra-boolean-cast"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                enforceForLogicalOperands: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+        fixable: "code",
+
+        messages: {
+            unexpectedCall: "Redundant Boolean call.",
+            unexpectedNegation: "Redundant double negation."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        // Node types which have a test which will coerce values to booleans.
+        const BOOLEAN_NODE_TYPES = [
+            "IfStatement",
+            "DoWhileStatement",
+            "WhileStatement",
+            "ConditionalExpression",
+            "ForStatement"
+        ];
+
+        /**
+         * Check if a node is a Boolean function or constructor.
+         * @param {ASTNode} node the node
+         * @returns {boolean} If the node is Boolean function or constructor
+         */
+        function isBooleanFunctionOrConstructorCall(node) {
+
+            // Boolean(<bool>) and new Boolean(<bool>)
+            return (node.type === "CallExpression" || node.type === "NewExpression") &&
+                    node.callee.type === "Identifier" &&
+                        node.callee.name === "Boolean";
+        }
+
+        /**
+         * Checks whether the node is a logical expression and that the option is enabled
+         * @param {ASTNode} node the node
+         * @returns {boolean} if the node is a logical expression and option is enabled
+         */
+        function isLogicalContext(node) {
+            return node.type === "LogicalExpression" &&
+            (node.operator === "||" || node.operator === "&&") &&
+            (context.options.length && context.options[0].enforceForLogicalOperands === true);
+
+        }
+
+
+        /**
+         * Check if a node is in a context where its value would be coerced to a boolean at runtime.
+         * @param {ASTNode} node The node
+         * @returns {boolean} If it is in a boolean context
+         */
+        function isInBooleanContext(node) {
+            return (
+                (isBooleanFunctionOrConstructorCall(node.parent) &&
+                node === node.parent.arguments[0]) ||
+
+                (BOOLEAN_NODE_TYPES.indexOf(node.parent.type) !== -1 &&
+                    node === node.parent.test) ||
+
+                // !<bool>
+                (node.parent.type === "UnaryExpression" &&
+                    node.parent.operator === "!")
+            );
+        }
+
+        /**
+         * Checks whether the node is a context that should report an error
+         * Acts recursively if it is in a logical context
+         * @param {ASTNode} node the node
+         * @returns {boolean} If the node is in one of the flagged contexts
+         */
+        function isInFlaggedContext(node) {
+            return isInBooleanContext(node) ||
+            (isLogicalContext(node.parent) &&
+
+            // For nested logical statements
+            isInFlaggedContext(node.parent)
+            );
+        }
+
+
+        /**
+         * Check if a node has comments inside.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} `true` if it has comments inside.
+         */
+        function hasCommentsInside(node) {
+            return Boolean(sourceCode.getCommentsInside(node).length);
+        }
+
+        /**
+         * Checks if the given node is wrapped in grouping parentheses. Parentheses for constructs such as if() don't count.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} `true` if the node is parenthesized.
+         * @private
+         */
+        function isParenthesized(node) {
+            return eslintUtils.isParenthesized(1, node, sourceCode);
+        }
+
+        /**
+         * Determines whether the given node needs to be parenthesized when replacing the previous node.
+         * It assumes that `previousNode` is the node to be reported by this rule, so it has a limited list
+         * of possible parent node types. By the same assumption, the node's role in a particular parent is already known.
+         * For example, if the parent is `ConditionalExpression`, `previousNode` must be its `test` child.
+         * @param {ASTNode} previousNode Previous node.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} `true` if the node needs to be parenthesized.
+         */
+        function needsParens(previousNode, node) {
+            if (isParenthesized(previousNode)) {
+
+                // parentheses around the previous node will stay, so there is no need for an additional pair
+                return false;
+            }
+
+            // parent of the previous node will become parent of the replacement node
+            const parent = previousNode.parent;
+
+            switch (parent.type) {
+                case "CallExpression":
+                case "NewExpression":
+                    return node.type === "SequenceExpression";
+                case "IfStatement":
+                case "DoWhileStatement":
+                case "WhileStatement":
+                case "ForStatement":
+                    return false;
+                case "ConditionalExpression":
+                    return precedence(node) <= precedence(parent);
+                case "UnaryExpression":
+                    return precedence(node) < precedence(parent);
+                case "LogicalExpression":
+                    if (previousNode === parent.left) {
+                        return precedence(node) < precedence(parent);
+                    }
+                    return precedence(node) <= precedence(parent);
+
+                /* istanbul ignore next */
+                default:
+                    throw new Error(`Unexpected parent type: ${parent.type}`);
+            }
+        }
+
+        return {
+            UnaryExpression(node) {
+                const parent = node.parent;
+
+
+                // Exit early if it's guaranteed not to match
+                if (node.operator !== "!" ||
+                          parent.type !== "UnaryExpression" ||
+                          parent.operator !== "!") {
+                    return;
+                }
+
+
+                if (isInFlaggedContext(parent)) {
+                    context.report({
+                        node: parent,
+                        messageId: "unexpectedNegation",
+                        fix(fixer) {
+                            if (hasCommentsInside(parent)) {
+                                return null;
+                            }
+
+                            if (needsParens(parent, node.argument)) {
+                                return fixer.replaceText(parent, `(${sourceCode.getText(node.argument)})`);
+                            }
+
+                            let prefix = "";
+                            const tokenBefore = sourceCode.getTokenBefore(parent);
+                            const firstReplacementToken = sourceCode.getFirstToken(node.argument);
+
+                            if (
+                                tokenBefore &&
+                                tokenBefore.range[1] === parent.range[0] &&
+                                !astUtils.canTokensBeAdjacent(tokenBefore, firstReplacementToken)
+                            ) {
+                                prefix = " ";
+                            }
+
+                            return fixer.replaceText(parent, prefix + sourceCode.getText(node.argument));
+                        }
+                    });
+                }
+            },
+
+            CallExpression(node) {
+                if (node.callee.type !== "Identifier" || node.callee.name !== "Boolean") {
+                    return;
+                }
+
+                if (isInFlaggedContext(node)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedCall",
+                        fix(fixer) {
+                            const parent = node.parent;
+
+                            if (node.arguments.length === 0) {
+                                if (parent.type === "UnaryExpression" && parent.operator === "!") {
+
+                                    /*
+                                     * !Boolean() -> true
+                                     */
+
+                                    if (hasCommentsInside(parent)) {
+                                        return null;
+                                    }
+
+                                    const replacement = "true";
+                                    let prefix = "";
+                                    const tokenBefore = sourceCode.getTokenBefore(parent);
+
+                                    if (
+                                        tokenBefore &&
+                                        tokenBefore.range[1] === parent.range[0] &&
+                                        !astUtils.canTokensBeAdjacent(tokenBefore, replacement)
+                                    ) {
+                                        prefix = " ";
+                                    }
+
+                                    return fixer.replaceText(parent, prefix + replacement);
+                                }
+
+                                /*
+                                 * Boolean() -> false
+                                 */
+
+                                if (hasCommentsInside(node)) {
+                                    return null;
+                                }
+
+                                return fixer.replaceText(node, "false");
+                            }
+
+                            if (node.arguments.length === 1) {
+                                const argument = node.arguments[0];
+
+                                if (argument.type === "SpreadElement" || hasCommentsInside(node)) {
+                                    return null;
+                                }
+
+                                /*
+                                 * Boolean(expression) -> expression
+                                 */
+
+                                if (needsParens(node, argument)) {
+                                    return fixer.replaceText(node, `(${sourceCode.getText(argument)})`);
+                                }
+
+                                return fixer.replaceText(node, sourceCode.getText(argument));
+                            }
+
+                            // two or more arguments
+                            return null;
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-extra-label.js b/eslint/lib/rules/no-extra-label.js
new file mode 100644
index 0000000..81406e7
--- /dev/null
+++ b/eslint/lib/rules/no-extra-label.js
@@ -0,0 +1,149 @@
+/**
+ * @fileoverview Rule to disallow unnecessary labels
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary labels",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-extra-label"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unexpected: "This label '{{name}}' is unnecessary."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let scopeInfo = null;
+
+        /**
+         * Creates a new scope with a breakable statement.
+         * @param {ASTNode} node A node to create. This is a BreakableStatement.
+         * @returns {void}
+         */
+        function enterBreakableStatement(node) {
+            scopeInfo = {
+                label: node.parent.type === "LabeledStatement" ? node.parent.label : null,
+                breakable: true,
+                upper: scopeInfo
+            };
+        }
+
+        /**
+         * Removes the top scope of the stack.
+         * @returns {void}
+         */
+        function exitBreakableStatement() {
+            scopeInfo = scopeInfo.upper;
+        }
+
+        /**
+         * Creates a new scope with a labeled statement.
+         *
+         * This ignores it if the body is a breakable statement.
+         * In this case it's handled in the `enterBreakableStatement` function.
+         * @param {ASTNode} node A node to create. This is a LabeledStatement.
+         * @returns {void}
+         */
+        function enterLabeledStatement(node) {
+            if (!astUtils.isBreakableStatement(node.body)) {
+                scopeInfo = {
+                    label: node.label,
+                    breakable: false,
+                    upper: scopeInfo
+                };
+            }
+        }
+
+        /**
+         * Removes the top scope of the stack.
+         *
+         * This ignores it if the body is a breakable statement.
+         * In this case it's handled in the `exitBreakableStatement` function.
+         * @param {ASTNode} node A node. This is a LabeledStatement.
+         * @returns {void}
+         */
+        function exitLabeledStatement(node) {
+            if (!astUtils.isBreakableStatement(node.body)) {
+                scopeInfo = scopeInfo.upper;
+            }
+        }
+
+        /**
+         * Reports a given control node if it's unnecessary.
+         * @param {ASTNode} node A node. This is a BreakStatement or a
+         *      ContinueStatement.
+         * @returns {void}
+         */
+        function reportIfUnnecessary(node) {
+            if (!node.label) {
+                return;
+            }
+
+            const labelNode = node.label;
+
+            for (let info = scopeInfo; info !== null; info = info.upper) {
+                if (info.breakable || info.label && info.label.name === labelNode.name) {
+                    if (info.breakable && info.label && info.label.name === labelNode.name) {
+                        context.report({
+                            node: labelNode,
+                            messageId: "unexpected",
+                            data: labelNode,
+                            fix(fixer) {
+                                const breakOrContinueToken = sourceCode.getFirstToken(node);
+
+                                if (sourceCode.commentsExistBetween(breakOrContinueToken, labelNode)) {
+                                    return null;
+                                }
+
+                                return fixer.removeRange([breakOrContinueToken.range[1], labelNode.range[1]]);
+                            }
+                        });
+                    }
+                    return;
+                }
+            }
+        }
+
+        return {
+            WhileStatement: enterBreakableStatement,
+            "WhileStatement:exit": exitBreakableStatement,
+            DoWhileStatement: enterBreakableStatement,
+            "DoWhileStatement:exit": exitBreakableStatement,
+            ForStatement: enterBreakableStatement,
+            "ForStatement:exit": exitBreakableStatement,
+            ForInStatement: enterBreakableStatement,
+            "ForInStatement:exit": exitBreakableStatement,
+            ForOfStatement: enterBreakableStatement,
+            "ForOfStatement:exit": exitBreakableStatement,
+            SwitchStatement: enterBreakableStatement,
+            "SwitchStatement:exit": exitBreakableStatement,
+            LabeledStatement: enterLabeledStatement,
+            "LabeledStatement:exit": exitLabeledStatement,
+            BreakStatement: reportIfUnnecessary,
+            ContinueStatement: reportIfUnnecessary
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-extra-parens.js b/eslint/lib/rules/no-extra-parens.js
new file mode 100644
index 0000000..a3dd5ba
--- /dev/null
+++ b/eslint/lib/rules/no-extra-parens.js
@@ -0,0 +1,1107 @@
+/**
+ * @fileoverview Disallow parenthesising higher precedence subexpressions.
+ * @author Michael Ficarra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const { isParenthesized: isParenthesizedRaw } = require("eslint-utils");
+const astUtils = require("./utils/ast-utils.js");
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow unnecessary parentheses",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-extra-parens"
+        },
+
+        fixable: "code",
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["functions"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["all"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                conditionalAssign: { type: "boolean" },
+                                nestedBinaryExpressions: { type: "boolean" },
+                                returnAssign: { type: "boolean" },
+                                ignoreJSX: { enum: ["none", "all", "single-line", "multi-line"] },
+                                enforceForArrowConditionals: { type: "boolean" },
+                                enforceForSequenceExpressions: { type: "boolean" },
+                                enforceForNewInMemberExpressions: { type: "boolean" }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        messages: {
+            unexpected: "Unnecessary parentheses around expression."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        const tokensToIgnore = new WeakSet();
+        const precedence = astUtils.getPrecedence;
+        const ALL_NODES = context.options[0] !== "functions";
+        const EXCEPT_COND_ASSIGN = ALL_NODES && context.options[1] && context.options[1].conditionalAssign === false;
+        const NESTED_BINARY = ALL_NODES && context.options[1] && context.options[1].nestedBinaryExpressions === false;
+        const EXCEPT_RETURN_ASSIGN = ALL_NODES && context.options[1] && context.options[1].returnAssign === false;
+        const IGNORE_JSX = ALL_NODES && context.options[1] && context.options[1].ignoreJSX;
+        const IGNORE_ARROW_CONDITIONALS = ALL_NODES && context.options[1] &&
+            context.options[1].enforceForArrowConditionals === false;
+        const IGNORE_SEQUENCE_EXPRESSIONS = ALL_NODES && context.options[1] &&
+            context.options[1].enforceForSequenceExpressions === false;
+        const IGNORE_NEW_IN_MEMBER_EXPR = ALL_NODES && context.options[1] &&
+            context.options[1].enforceForNewInMemberExpressions === false;
+
+        const PRECEDENCE_OF_ASSIGNMENT_EXPR = precedence({ type: "AssignmentExpression" });
+        const PRECEDENCE_OF_UPDATE_EXPR = precedence({ type: "UpdateExpression" });
+
+        let reportsBuffer;
+
+        /**
+         * Determines if this rule should be enforced for a node given the current configuration.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the rule should be enforced for this node.
+         * @private
+         */
+        function ruleApplies(node) {
+            if (node.type === "JSXElement" || node.type === "JSXFragment") {
+                const isSingleLine = node.loc.start.line === node.loc.end.line;
+
+                switch (IGNORE_JSX) {
+
+                    // Exclude this JSX element from linting
+                    case "all":
+                        return false;
+
+                    // Exclude this JSX element if it is multi-line element
+                    case "multi-line":
+                        return isSingleLine;
+
+                    // Exclude this JSX element if it is single-line element
+                    case "single-line":
+                        return !isSingleLine;
+
+                    // Nothing special to be done for JSX elements
+                    case "none":
+                        break;
+
+                    // no default
+                }
+            }
+
+            if (node.type === "SequenceExpression" && IGNORE_SEQUENCE_EXPRESSIONS) {
+                return false;
+            }
+
+            return ALL_NODES || node.type === "FunctionExpression" || node.type === "ArrowFunctionExpression";
+        }
+
+        /**
+         * Determines if a node is surrounded by parentheses.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is parenthesised.
+         * @private
+         */
+        function isParenthesised(node) {
+            return isParenthesizedRaw(1, node, sourceCode);
+        }
+
+        /**
+         * Determines if a node is surrounded by parentheses twice.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is doubly parenthesised.
+         * @private
+         */
+        function isParenthesisedTwice(node) {
+            return isParenthesizedRaw(2, node, sourceCode);
+        }
+
+        /**
+         * Determines if a node is surrounded by (potentially) invalid parentheses.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is incorrectly parenthesised.
+         * @private
+         */
+        function hasExcessParens(node) {
+            return ruleApplies(node) && isParenthesised(node);
+        }
+
+        /**
+         * Determines if a node that is expected to be parenthesised is surrounded by
+         * (potentially) invalid extra parentheses.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is has an unexpected extra pair of parentheses.
+         * @private
+         */
+        function hasDoubleExcessParens(node) {
+            return ruleApplies(node) && isParenthesisedTwice(node);
+        }
+
+        /**
+         * Determines if a node that is expected to be parenthesised is surrounded by
+         * (potentially) invalid extra parentheses with considering precedence level of the node.
+         * If the preference level of the node is not higher or equal to precedence lower limit, it also checks
+         * whether the node is surrounded by parentheses twice or not.
+         * @param {ASTNode} node The node to be checked.
+         * @param {number} precedenceLowerLimit The lower limit of precedence.
+         * @returns {boolean} True if the node is has an unexpected extra pair of parentheses.
+         * @private
+         */
+        function hasExcessParensWithPrecedence(node, precedenceLowerLimit) {
+            if (ruleApplies(node) && isParenthesised(node)) {
+                if (
+                    precedence(node) >= precedenceLowerLimit ||
+                    isParenthesisedTwice(node)
+                ) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        /**
+         * Determines if a node test expression is allowed to have a parenthesised assignment
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the assignment can be parenthesised.
+         * @private
+         */
+        function isCondAssignException(node) {
+            return EXCEPT_COND_ASSIGN && node.test.type === "AssignmentExpression";
+        }
+
+        /**
+         * Determines if a node is in a return statement
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is in a return statement.
+         * @private
+         */
+        function isInReturnStatement(node) {
+            for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+                if (
+                    currentNode.type === "ReturnStatement" ||
+                    (currentNode.type === "ArrowFunctionExpression" && currentNode.body.type !== "BlockStatement")
+                ) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        /**
+         * Determines if a constructor function is newed-up with parens
+         * @param {ASTNode} newExpression The NewExpression node to be checked.
+         * @returns {boolean} True if the constructor is called with parens.
+         * @private
+         */
+        function isNewExpressionWithParens(newExpression) {
+            const lastToken = sourceCode.getLastToken(newExpression);
+            const penultimateToken = sourceCode.getTokenBefore(lastToken);
+
+            return newExpression.arguments.length > 0 ||
+                (
+
+                    // The expression should end with its own parens, e.g., new new foo() is not a new expression with parens
+                    astUtils.isOpeningParenToken(penultimateToken) &&
+                    astUtils.isClosingParenToken(lastToken) &&
+                    newExpression.callee.range[1] < newExpression.range[1]
+                );
+        }
+
+        /**
+         * Determines if a node is or contains an assignment expression
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is or contains an assignment expression.
+         * @private
+         */
+        function containsAssignment(node) {
+            if (node.type === "AssignmentExpression") {
+                return true;
+            }
+            if (node.type === "ConditionalExpression" &&
+                    (node.consequent.type === "AssignmentExpression" || node.alternate.type === "AssignmentExpression")) {
+                return true;
+            }
+            if ((node.left && node.left.type === "AssignmentExpression") ||
+                    (node.right && node.right.type === "AssignmentExpression")) {
+                return true;
+            }
+
+            return false;
+        }
+
+        /**
+         * Determines if a node is contained by or is itself a return statement and is allowed to have a parenthesised assignment
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the assignment can be parenthesised.
+         * @private
+         */
+        function isReturnAssignException(node) {
+            if (!EXCEPT_RETURN_ASSIGN || !isInReturnStatement(node)) {
+                return false;
+            }
+
+            if (node.type === "ReturnStatement") {
+                return node.argument && containsAssignment(node.argument);
+            }
+            if (node.type === "ArrowFunctionExpression" && node.body.type !== "BlockStatement") {
+                return containsAssignment(node.body);
+            }
+            return containsAssignment(node);
+
+        }
+
+        /**
+         * Determines if a node following a [no LineTerminator here] restriction is
+         * surrounded by (potentially) invalid extra parentheses.
+         * @param {Token} token The token preceding the [no LineTerminator here] restriction.
+         * @param {ASTNode} node The node to be checked.
+         * @returns {boolean} True if the node is incorrectly parenthesised.
+         * @private
+         */
+        function hasExcessParensNoLineTerminator(token, node) {
+            if (token.loc.end.line === node.loc.start.line) {
+                return hasExcessParens(node);
+            }
+
+            return hasDoubleExcessParens(node);
+        }
+
+        /**
+         * Determines whether a node should be preceded by an additional space when removing parens
+         * @param {ASTNode} node node to evaluate; must be surrounded by parentheses
+         * @returns {boolean} `true` if a space should be inserted before the node
+         * @private
+         */
+        function requiresLeadingSpace(node) {
+            const leftParenToken = sourceCode.getTokenBefore(node);
+            const tokenBeforeLeftParen = sourceCode.getTokenBefore(leftParenToken, { includeComments: true });
+            const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParenToken, { includeComments: true });
+
+            return tokenBeforeLeftParen &&
+                tokenBeforeLeftParen.range[1] === leftParenToken.range[0] &&
+                leftParenToken.range[1] === tokenAfterLeftParen.range[0] &&
+                !astUtils.canTokensBeAdjacent(tokenBeforeLeftParen, tokenAfterLeftParen);
+        }
+
+        /**
+         * Determines whether a node should be followed by an additional space when removing parens
+         * @param {ASTNode} node node to evaluate; must be surrounded by parentheses
+         * @returns {boolean} `true` if a space should be inserted after the node
+         * @private
+         */
+        function requiresTrailingSpace(node) {
+            const nextTwoTokens = sourceCode.getTokensAfter(node, { count: 2 });
+            const rightParenToken = nextTwoTokens[0];
+            const tokenAfterRightParen = nextTwoTokens[1];
+            const tokenBeforeRightParen = sourceCode.getLastToken(node);
+
+            return rightParenToken && tokenAfterRightParen &&
+                !sourceCode.isSpaceBetweenTokens(rightParenToken, tokenAfterRightParen) &&
+                !astUtils.canTokensBeAdjacent(tokenBeforeRightParen, tokenAfterRightParen);
+        }
+
+        /**
+         * Determines if a given expression node is an IIFE
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} `true` if the given node is an IIFE
+         */
+        function isIIFE(node) {
+            return node.type === "CallExpression" && node.callee.type === "FunctionExpression";
+        }
+
+        /**
+         * Determines if the given node can be the assignment target in destructuring or the LHS of an assignment.
+         * This is to avoid an autofix that could change behavior because parsers mistakenly allow invalid syntax,
+         * such as `(a = b) = c` and `[(a = b) = c] = []`. Ideally, this function shouldn't be necessary.
+         * @param {ASTNode} [node] The node to check
+         * @returns {boolean} `true` if the given node can be a valid assignment target
+         */
+        function canBeAssignmentTarget(node) {
+            return node && (node.type === "Identifier" || node.type === "MemberExpression");
+        }
+
+        /**
+         * Report the node
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            const leftParenToken = sourceCode.getTokenBefore(node);
+            const rightParenToken = sourceCode.getTokenAfter(node);
+
+            if (!isParenthesisedTwice(node)) {
+                if (tokensToIgnore.has(sourceCode.getFirstToken(node))) {
+                    return;
+                }
+
+                if (isIIFE(node) && !isParenthesised(node.callee)) {
+                    return;
+                }
+            }
+
+            /**
+             * Finishes reporting
+             * @returns {void}
+             * @private
+             */
+            function finishReport() {
+                context.report({
+                    node,
+                    loc: leftParenToken.loc,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        const parenthesizedSource = sourceCode.text.slice(leftParenToken.range[1], rightParenToken.range[0]);
+
+                        return fixer.replaceTextRange([
+                            leftParenToken.range[0],
+                            rightParenToken.range[1]
+                        ], (requiresLeadingSpace(node) ? " " : "") + parenthesizedSource + (requiresTrailingSpace(node) ? " " : ""));
+                    }
+                });
+            }
+
+            if (reportsBuffer) {
+                reportsBuffer.reports.push({ node, finishReport });
+                return;
+            }
+
+            finishReport();
+        }
+
+        /**
+         * Evaluate a argument of the node.
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkArgumentWithPrecedence(node) {
+            if (hasExcessParensWithPrecedence(node.argument, precedence(node))) {
+                report(node.argument);
+            }
+        }
+
+        /**
+         * Check if a member expression contains a call expression
+         * @param {ASTNode} node MemberExpression node to evaluate
+         * @returns {boolean} true if found, false if not
+         */
+        function doesMemberExpressionContainCallExpression(node) {
+            let currentNode = node.object;
+            let currentNodeType = node.object.type;
+
+            while (currentNodeType === "MemberExpression") {
+                currentNode = currentNode.object;
+                currentNodeType = currentNode.type;
+            }
+
+            return currentNodeType === "CallExpression";
+        }
+
+        /**
+         * Evaluate a new call
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkCallNew(node) {
+            const callee = node.callee;
+
+            if (hasExcessParensWithPrecedence(callee, precedence(node))) {
+                const hasNewParensException = callee.type === "NewExpression" && !isNewExpressionWithParens(callee);
+
+                if (
+                    hasDoubleExcessParens(callee) ||
+                    !isIIFE(node) && !hasNewParensException && !(
+
+                        // Allow extra parens around a new expression if they are intervening parentheses.
+                        node.type === "NewExpression" &&
+                        callee.type === "MemberExpression" &&
+                        doesMemberExpressionContainCallExpression(callee)
+                    )
+                ) {
+                    report(node.callee);
+                }
+            }
+            node.arguments
+                .filter(arg => hasExcessParensWithPrecedence(arg, PRECEDENCE_OF_ASSIGNMENT_EXPR))
+                .forEach(report);
+        }
+
+        /**
+         * Evaluate binary logicals
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkBinaryLogical(node) {
+            const prec = precedence(node);
+            const leftPrecedence = precedence(node.left);
+            const rightPrecedence = precedence(node.right);
+            const isExponentiation = node.operator === "**";
+            const shouldSkipLeft = NESTED_BINARY && (node.left.type === "BinaryExpression" || node.left.type === "LogicalExpression");
+            const shouldSkipRight = NESTED_BINARY && (node.right.type === "BinaryExpression" || node.right.type === "LogicalExpression");
+
+            if (!shouldSkipLeft && hasExcessParens(node.left)) {
+                if (
+                    !(node.left.type === "UnaryExpression" && isExponentiation) &&
+                    (leftPrecedence > prec || (leftPrecedence === prec && !isExponentiation)) ||
+                    isParenthesisedTwice(node.left)
+                ) {
+                    report(node.left);
+                }
+            }
+
+            if (!shouldSkipRight && hasExcessParens(node.right)) {
+                if (
+                    (rightPrecedence > prec || (rightPrecedence === prec && isExponentiation)) ||
+                    isParenthesisedTwice(node.right)
+                ) {
+                    report(node.right);
+                }
+            }
+        }
+
+        /**
+         * Check the parentheses around the super class of the given class definition.
+         * @param {ASTNode} node The node of class declarations to check.
+         * @returns {void}
+         */
+        function checkClass(node) {
+            if (!node.superClass) {
+                return;
+            }
+
+            /*
+             * If `node.superClass` is a LeftHandSideExpression, parentheses are extra.
+             * Otherwise, parentheses are needed.
+             */
+            const hasExtraParens = precedence(node.superClass) > PRECEDENCE_OF_UPDATE_EXPR
+                ? hasExcessParens(node.superClass)
+                : hasDoubleExcessParens(node.superClass);
+
+            if (hasExtraParens) {
+                report(node.superClass);
+            }
+        }
+
+        /**
+         * Check the parentheses around the argument of the given spread operator.
+         * @param {ASTNode} node The node of spread elements/properties to check.
+         * @returns {void}
+         */
+        function checkSpreadOperator(node) {
+            if (hasExcessParensWithPrecedence(node.argument, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                report(node.argument);
+            }
+        }
+
+        /**
+         * Checks the parentheses for an ExpressionStatement or ExportDefaultDeclaration
+         * @param {ASTNode} node The ExpressionStatement.expression or ExportDefaultDeclaration.declaration node
+         * @returns {void}
+         */
+        function checkExpressionOrExportStatement(node) {
+            const firstToken = isParenthesised(node) ? sourceCode.getTokenBefore(node) : sourceCode.getFirstToken(node);
+            const secondToken = sourceCode.getTokenAfter(firstToken, astUtils.isNotOpeningParenToken);
+            const thirdToken = secondToken ? sourceCode.getTokenAfter(secondToken) : null;
+            const tokenAfterClosingParens = secondToken ? sourceCode.getTokenAfter(secondToken, astUtils.isNotClosingParenToken) : null;
+
+            if (
+                astUtils.isOpeningParenToken(firstToken) &&
+                (
+                    astUtils.isOpeningBraceToken(secondToken) ||
+                    secondToken.type === "Keyword" && (
+                        secondToken.value === "function" ||
+                        secondToken.value === "class" ||
+                        secondToken.value === "let" &&
+                            tokenAfterClosingParens &&
+                            (
+                                astUtils.isOpeningBracketToken(tokenAfterClosingParens) ||
+                                tokenAfterClosingParens.type === "Identifier"
+                            )
+                    ) ||
+                    secondToken && secondToken.type === "Identifier" && secondToken.value === "async" && thirdToken && thirdToken.type === "Keyword" && thirdToken.value === "function"
+                )
+            ) {
+                tokensToIgnore.add(secondToken);
+            }
+
+            if (hasExcessParens(node)) {
+                report(node);
+            }
+        }
+
+        /**
+         * Finds the path from the given node to the specified ancestor.
+         * @param {ASTNode} node First node in the path.
+         * @param {ASTNode} ancestor Last node in the path.
+         * @returns {ASTNode[]} Path, including both nodes.
+         * @throws {Error} If the given node does not have the specified ancestor.
+         */
+        function pathToAncestor(node, ancestor) {
+            const path = [node];
+            let currentNode = node;
+
+            while (currentNode !== ancestor) {
+
+                currentNode = currentNode.parent;
+
+                /* istanbul ignore if */
+                if (currentNode === null) {
+                    throw new Error("Nodes are not in the ancestor-descendant relationship.");
+                }
+
+                path.push(currentNode);
+            }
+
+            return path;
+        }
+
+        /**
+         * Finds the path from the given node to the specified descendant.
+         * @param {ASTNode} node First node in the path.
+         * @param {ASTNode} descendant Last node in the path.
+         * @returns {ASTNode[]} Path, including both nodes.
+         * @throws {Error} If the given node does not have the specified descendant.
+         */
+        function pathToDescendant(node, descendant) {
+            return pathToAncestor(descendant, node).reverse();
+        }
+
+        /**
+         * Checks whether the syntax of the given ancestor of an 'in' expression inside a for-loop initializer
+         * is preventing the 'in' keyword from being interpreted as a part of an ill-formed for-in loop.
+         * @param {ASTNode} node Ancestor of an 'in' expression.
+         * @param {ASTNode} child Child of the node, ancestor of the same 'in' expression or the 'in' expression itself.
+         * @returns {boolean} True if the keyword 'in' would be interpreted as the 'in' operator, without any parenthesis.
+         */
+        function isSafelyEnclosingInExpression(node, child) {
+            switch (node.type) {
+                case "ArrayExpression":
+                case "ArrayPattern":
+                case "BlockStatement":
+                case "ObjectExpression":
+                case "ObjectPattern":
+                case "TemplateLiteral":
+                    return true;
+                case "ArrowFunctionExpression":
+                case "FunctionExpression":
+                    return node.params.includes(child);
+                case "CallExpression":
+                case "NewExpression":
+                    return node.arguments.includes(child);
+                case "MemberExpression":
+                    return node.computed && node.property === child;
+                case "ConditionalExpression":
+                    return node.consequent === child;
+                default:
+                    return false;
+            }
+        }
+
+        /**
+         * Starts a new reports buffering. Warnings will be stored in a buffer instead of being reported immediately.
+         * An additional logic that requires multiple nodes (e.g. a whole subtree) may dismiss some of the stored warnings.
+         * @returns {void}
+         */
+        function startNewReportsBuffering() {
+            reportsBuffer = {
+                upper: reportsBuffer,
+                inExpressionNodes: [],
+                reports: []
+            };
+        }
+
+        /**
+         * Ends the current reports buffering.
+         * @returns {void}
+         */
+        function endCurrentReportsBuffering() {
+            const { upper, inExpressionNodes, reports } = reportsBuffer;
+
+            if (upper) {
+                upper.inExpressionNodes.push(...inExpressionNodes);
+                upper.reports.push(...reports);
+            } else {
+
+                // flush remaining reports
+                reports.forEach(({ finishReport }) => finishReport());
+            }
+
+            reportsBuffer = upper;
+        }
+
+        /**
+         * Checks whether the given node is in the current reports buffer.
+         * @param {ASTNode} node Node to check.
+         * @returns {boolean} True if the node is in the current buffer, false otherwise.
+         */
+        function isInCurrentReportsBuffer(node) {
+            return reportsBuffer.reports.some(r => r.node === node);
+        }
+
+        /**
+         * Removes the given node from the current reports buffer.
+         * @param {ASTNode} node Node to remove.
+         * @returns {void}
+         */
+        function removeFromCurrentReportsBuffer(node) {
+            reportsBuffer.reports = reportsBuffer.reports.filter(r => r.node !== node);
+        }
+
+        return {
+            ArrayExpression(node) {
+                node.elements
+                    .filter(e => e && hasExcessParensWithPrecedence(e, PRECEDENCE_OF_ASSIGNMENT_EXPR))
+                    .forEach(report);
+            },
+
+            ArrayPattern(node) {
+                node.elements
+                    .filter(e => canBeAssignmentTarget(e) && hasExcessParens(e))
+                    .forEach(report);
+            },
+
+            ArrowFunctionExpression(node) {
+                if (isReturnAssignException(node)) {
+                    return;
+                }
+
+                if (node.body.type === "ConditionalExpression" &&
+                    IGNORE_ARROW_CONDITIONALS
+                ) {
+                    return;
+                }
+
+                if (node.body.type !== "BlockStatement") {
+                    const firstBodyToken = sourceCode.getFirstToken(node.body, astUtils.isNotOpeningParenToken);
+                    const tokenBeforeFirst = sourceCode.getTokenBefore(firstBodyToken);
+
+                    if (astUtils.isOpeningParenToken(tokenBeforeFirst) && astUtils.isOpeningBraceToken(firstBodyToken)) {
+                        tokensToIgnore.add(firstBodyToken);
+                    }
+                    if (hasExcessParensWithPrecedence(node.body, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                        report(node.body);
+                    }
+                }
+            },
+
+            AssignmentExpression(node) {
+                if (canBeAssignmentTarget(node.left) && hasExcessParens(node.left)) {
+                    report(node.left);
+                }
+
+                if (!isReturnAssignException(node) && hasExcessParensWithPrecedence(node.right, precedence(node))) {
+                    report(node.right);
+                }
+            },
+
+            BinaryExpression(node) {
+                if (reportsBuffer && node.operator === "in") {
+                    reportsBuffer.inExpressionNodes.push(node);
+                }
+
+                checkBinaryLogical(node);
+            },
+
+            CallExpression: checkCallNew,
+
+            ClassBody(node) {
+                node.body
+                    .filter(member => member.type === "MethodDefinition" && member.computed && member.key)
+                    .filter(member => hasExcessParensWithPrecedence(member.key, PRECEDENCE_OF_ASSIGNMENT_EXPR))
+                    .forEach(member => report(member.key));
+            },
+
+            ConditionalExpression(node) {
+                if (isReturnAssignException(node)) {
+                    return;
+                }
+                if (
+                    !isCondAssignException(node) &&
+                    hasExcessParensWithPrecedence(node.test, precedence({ type: "LogicalExpression", operator: "||" }))
+                ) {
+                    report(node.test);
+                }
+
+                if (hasExcessParensWithPrecedence(node.consequent, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                    report(node.consequent);
+                }
+
+                if (hasExcessParensWithPrecedence(node.alternate, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                    report(node.alternate);
+                }
+            },
+
+            DoWhileStatement(node) {
+                if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+                    report(node.test);
+                }
+            },
+
+            ExportDefaultDeclaration: node => checkExpressionOrExportStatement(node.declaration),
+            ExpressionStatement: node => checkExpressionOrExportStatement(node.expression),
+
+            "ForInStatement, ForOfStatement"(node) {
+                if (node.left.type !== "VariableDeclarator") {
+                    const firstLeftToken = sourceCode.getFirstToken(node.left, astUtils.isNotOpeningParenToken);
+
+                    if (
+                        firstLeftToken.value === "let" && (
+
+                            /*
+                             * If `let` is the only thing on the left side of the loop, it's the loop variable: `for ((let) of foo);`
+                             * Removing it will cause a syntax error, because it will be parsed as the start of a VariableDeclarator.
+                             */
+                            (firstLeftToken.range[1] === node.left.range[1] || /*
+                             * If `let` is followed by a `[` token, it's a property access on the `let` value: `for ((let[foo]) of bar);`
+                             * Removing it will cause the property access to be parsed as a destructuring declaration of `foo` instead.
+                             */
+                            astUtils.isOpeningBracketToken(
+                                sourceCode.getTokenAfter(firstLeftToken, astUtils.isNotClosingParenToken)
+                            ))
+                        )
+                    ) {
+                        tokensToIgnore.add(firstLeftToken);
+                    }
+                }
+
+                if (node.type === "ForOfStatement") {
+                    const hasExtraParens = node.right.type === "SequenceExpression"
+                        ? hasDoubleExcessParens(node.right)
+                        : hasExcessParens(node.right);
+
+                    if (hasExtraParens) {
+                        report(node.right);
+                    }
+                } else if (hasExcessParens(node.right)) {
+                    report(node.right);
+                }
+
+                if (hasExcessParens(node.left)) {
+                    report(node.left);
+                }
+            },
+
+            ForStatement(node) {
+                if (node.test && hasExcessParens(node.test) && !isCondAssignException(node)) {
+                    report(node.test);
+                }
+
+                if (node.update && hasExcessParens(node.update)) {
+                    report(node.update);
+                }
+
+                if (node.init) {
+                    startNewReportsBuffering();
+
+                    if (hasExcessParens(node.init)) {
+                        report(node.init);
+                    }
+                }
+            },
+
+            "ForStatement > *.init:exit"(node) {
+
+                /*
+                 * Removing parentheses around `in` expressions might change semantics and cause errors.
+                 *
+                 * For example, this valid for loop:
+                 *      for (let a = (b in c); ;);
+                 * after removing parentheses would be treated as an invalid for-in loop:
+                 *      for (let a = b in c; ;);
+                 */
+
+                if (reportsBuffer.reports.length) {
+                    reportsBuffer.inExpressionNodes.forEach(inExpressionNode => {
+                        const path = pathToDescendant(node, inExpressionNode);
+                        let nodeToExclude;
+
+                        for (let i = 0; i < path.length; i++) {
+                            const pathNode = path[i];
+
+                            if (i < path.length - 1) {
+                                const nextPathNode = path[i + 1];
+
+                                if (isSafelyEnclosingInExpression(pathNode, nextPathNode)) {
+
+                                    // The 'in' expression in safely enclosed by the syntax of its ancestor nodes (e.g. by '{}' or '[]').
+                                    return;
+                                }
+                            }
+
+                            if (isParenthesised(pathNode)) {
+                                if (isInCurrentReportsBuffer(pathNode)) {
+
+                                    // This node was supposed to be reported, but parentheses might be necessary.
+
+                                    if (isParenthesisedTwice(pathNode)) {
+
+                                        /*
+                                         * This node is parenthesised twice, it certainly has at least one pair of `extra` parentheses.
+                                         * If the --fix option is on, the current fixing iteration will remove only one pair of parentheses.
+                                         * The remaining pair is safely enclosing the 'in' expression.
+                                         */
+                                        return;
+                                    }
+
+                                    // Exclude the outermost node only.
+                                    if (!nodeToExclude) {
+                                        nodeToExclude = pathNode;
+                                    }
+
+                                    // Don't break the loop here, there might be some safe nodes or parentheses that will stay inside.
+
+                                } else {
+
+                                    // This node will stay parenthesised, the 'in' expression in safely enclosed by '()'.
+                                    return;
+                                }
+                            }
+                        }
+
+                        // Exclude the node from the list (i.e. treat parentheses as necessary)
+                        removeFromCurrentReportsBuffer(nodeToExclude);
+                    });
+                }
+
+                endCurrentReportsBuffering();
+            },
+
+            IfStatement(node) {
+                if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+                    report(node.test);
+                }
+            },
+
+            ImportExpression(node) {
+                const { source } = node;
+
+                if (source.type === "SequenceExpression") {
+                    if (hasDoubleExcessParens(source)) {
+                        report(source);
+                    }
+                } else if (hasExcessParens(source)) {
+                    report(source);
+                }
+            },
+
+            LogicalExpression: checkBinaryLogical,
+
+            MemberExpression(node) {
+                const nodeObjHasExcessParens = hasExcessParens(node.object);
+
+                if (
+                    nodeObjHasExcessParens &&
+                    precedence(node.object) >= precedence(node) &&
+                    (
+                        node.computed ||
+                        !(
+                            astUtils.isDecimalInteger(node.object) ||
+
+                            // RegExp literal is allowed to have parens (#1589)
+                            (node.object.type === "Literal" && node.object.regex)
+                        )
+                    )
+                ) {
+                    report(node.object);
+                }
+
+                if (nodeObjHasExcessParens &&
+                  node.object.type === "CallExpression" &&
+                  node.parent.type !== "NewExpression") {
+                    report(node.object);
+                }
+
+                if (nodeObjHasExcessParens &&
+                  !IGNORE_NEW_IN_MEMBER_EXPR &&
+                  node.object.type === "NewExpression" &&
+                  isNewExpressionWithParens(node.object)) {
+                    report(node.object);
+                }
+
+                if (node.computed && hasExcessParens(node.property)) {
+                    report(node.property);
+                }
+            },
+
+            NewExpression: checkCallNew,
+
+            ObjectExpression(node) {
+                node.properties
+                    .filter(property => property.value && hasExcessParensWithPrecedence(property.value, PRECEDENCE_OF_ASSIGNMENT_EXPR))
+                    .forEach(property => report(property.value));
+            },
+
+            ObjectPattern(node) {
+                node.properties
+                    .filter(property => {
+                        const value = property.value;
+
+                        return canBeAssignmentTarget(value) && hasExcessParens(value);
+                    }).forEach(property => report(property.value));
+            },
+
+            Property(node) {
+                if (node.computed) {
+                    const { key } = node;
+
+                    if (key && hasExcessParensWithPrecedence(key, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                        report(key);
+                    }
+                }
+            },
+
+            RestElement(node) {
+                const argument = node.argument;
+
+                if (canBeAssignmentTarget(argument) && hasExcessParens(argument)) {
+                    report(argument);
+                }
+            },
+
+            ReturnStatement(node) {
+                const returnToken = sourceCode.getFirstToken(node);
+
+                if (isReturnAssignException(node)) {
+                    return;
+                }
+
+                if (node.argument &&
+                        hasExcessParensNoLineTerminator(returnToken, node.argument) &&
+
+                        // RegExp literal is allowed to have parens (#1589)
+                        !(node.argument.type === "Literal" && node.argument.regex)) {
+                    report(node.argument);
+                }
+            },
+
+            SequenceExpression(node) {
+                const precedenceOfNode = precedence(node);
+
+                node.expressions
+                    .filter(e => hasExcessParensWithPrecedence(e, precedenceOfNode))
+                    .forEach(report);
+            },
+
+            SwitchCase(node) {
+                if (node.test && hasExcessParens(node.test)) {
+                    report(node.test);
+                }
+            },
+
+            SwitchStatement(node) {
+                if (hasExcessParens(node.discriminant)) {
+                    report(node.discriminant);
+                }
+            },
+
+            ThrowStatement(node) {
+                const throwToken = sourceCode.getFirstToken(node);
+
+                if (hasExcessParensNoLineTerminator(throwToken, node.argument)) {
+                    report(node.argument);
+                }
+            },
+
+            UnaryExpression: checkArgumentWithPrecedence,
+            UpdateExpression: checkArgumentWithPrecedence,
+            AwaitExpression: checkArgumentWithPrecedence,
+
+            VariableDeclarator(node) {
+                if (
+                    node.init && hasExcessParensWithPrecedence(node.init, PRECEDENCE_OF_ASSIGNMENT_EXPR) &&
+
+                    // RegExp literal is allowed to have parens (#1589)
+                    !(node.init.type === "Literal" && node.init.regex)
+                ) {
+                    report(node.init);
+                }
+            },
+
+            WhileStatement(node) {
+                if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+                    report(node.test);
+                }
+            },
+
+            WithStatement(node) {
+                if (hasExcessParens(node.object)) {
+                    report(node.object);
+                }
+            },
+
+            YieldExpression(node) {
+                if (node.argument) {
+                    const yieldToken = sourceCode.getFirstToken(node);
+
+                    if ((precedence(node.argument) >= precedence(node) &&
+                            hasExcessParensNoLineTerminator(yieldToken, node.argument)) ||
+                            hasDoubleExcessParens(node.argument)) {
+                        report(node.argument);
+                    }
+                }
+            },
+
+            ClassDeclaration: checkClass,
+            ClassExpression: checkClass,
+
+            SpreadElement: checkSpreadOperator,
+            SpreadProperty: checkSpreadOperator,
+            ExperimentalSpreadProperty: checkSpreadOperator,
+
+            TemplateLiteral(node) {
+                node.expressions
+                    .filter(e => e && hasExcessParens(e))
+                    .forEach(report);
+            },
+
+            AssignmentPattern(node) {
+                const { left, right } = node;
+
+                if (canBeAssignmentTarget(left) && hasExcessParens(left)) {
+                    report(left);
+                }
+
+                if (right && hasExcessParensWithPrecedence(right, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+                    report(right);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-extra-semi.js b/eslint/lib/rules/no-extra-semi.js
new file mode 100644
index 0000000..e0a8df0
--- /dev/null
+++ b/eslint/lib/rules/no-extra-semi.js
@@ -0,0 +1,126 @@
+/**
+ * @fileoverview Rule to flag use of unnecessary semicolons
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const FixTracker = require("./utils/fix-tracker");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary semicolons",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-extra-semi"
+        },
+
+        fixable: "code",
+        schema: [],
+
+        messages: {
+            unexpected: "Unnecessary semicolon."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports an unnecessary semicolon error.
+         * @param {Node|Token} nodeOrToken A node or a token to be reported.
+         * @returns {void}
+         */
+        function report(nodeOrToken) {
+            context.report({
+                node: nodeOrToken,
+                messageId: "unexpected",
+                fix(fixer) {
+
+                    /*
+                     * Expand the replacement range to include the surrounding
+                     * tokens to avoid conflicting with semi.
+                     * https://github.com/eslint/eslint/issues/7928
+                     */
+                    return new FixTracker(fixer, context.getSourceCode())
+                        .retainSurroundingTokens(nodeOrToken)
+                        .remove(nodeOrToken);
+                }
+            });
+        }
+
+        /**
+         * Checks for a part of a class body.
+         * This checks tokens from a specified token to a next MethodDefinition or the end of class body.
+         * @param {Token} firstToken The first token to check.
+         * @returns {void}
+         */
+        function checkForPartOfClassBody(firstToken) {
+            for (let token = firstToken;
+                token.type === "Punctuator" && !astUtils.isClosingBraceToken(token);
+                token = sourceCode.getTokenAfter(token)
+            ) {
+                if (astUtils.isSemicolonToken(token)) {
+                    report(token);
+                }
+            }
+        }
+
+        return {
+
+            /**
+             * Reports this empty statement, except if the parent node is a loop.
+             * @param {Node} node A EmptyStatement node to be reported.
+             * @returns {void}
+             */
+            EmptyStatement(node) {
+                const parent = node.parent,
+                    allowedParentTypes = [
+                        "ForStatement",
+                        "ForInStatement",
+                        "ForOfStatement",
+                        "WhileStatement",
+                        "DoWhileStatement",
+                        "IfStatement",
+                        "LabeledStatement",
+                        "WithStatement"
+                    ];
+
+                if (allowedParentTypes.indexOf(parent.type) === -1) {
+                    report(node);
+                }
+            },
+
+            /**
+             * Checks tokens from the head of this class body to the first MethodDefinition or the end of this class body.
+             * @param {Node} node A ClassBody node to check.
+             * @returns {void}
+             */
+            ClassBody(node) {
+                checkForPartOfClassBody(sourceCode.getFirstToken(node, 1)); // 0 is `{`.
+            },
+
+            /**
+             * Checks tokens from this MethodDefinition to the next MethodDefinition or the end of this class body.
+             * @param {Node} node A MethodDefinition node of the start point.
+             * @returns {void}
+             */
+            MethodDefinition(node) {
+                checkForPartOfClassBody(sourceCode.getTokenAfter(node));
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-fallthrough.js b/eslint/lib/rules/no-fallthrough.js
new file mode 100644
index 0000000..dd1f3ed
--- /dev/null
+++ b/eslint/lib/rules/no-fallthrough.js
@@ -0,0 +1,142 @@
+/**
+ * @fileoverview Rule to flag fall-through cases in switch statements.
+ * @author Matt DuVall <http://mattduvall.com/>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_FALLTHROUGH_COMMENT = /falls?\s?through/iu;
+
+/**
+ * Checks whether or not a given node has a fallthrough comment.
+ * @param {ASTNode} node A SwitchCase node to get comments.
+ * @param {RuleContext} context A rule context which stores comments.
+ * @param {RegExp} fallthroughCommentPattern A pattern to match comment to.
+ * @returns {boolean} `true` if the node has a valid fallthrough comment.
+ */
+function hasFallthroughComment(node, context, fallthroughCommentPattern) {
+    const sourceCode = context.getSourceCode();
+    const comment = lodash.last(sourceCode.getCommentsBefore(node));
+
+    return Boolean(comment && fallthroughCommentPattern.test(comment.value));
+}
+
+/**
+ * Checks whether or not a given code path segment is reachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Checks whether a node and a token are separated by blank lines
+ * @param {ASTNode} node The node to check
+ * @param {Token} token The token to compare against
+ * @returns {boolean} `true` if there are blank lines between node and token
+ */
+function hasBlankLinesBetween(node, token) {
+    return token.loc.start.line > node.loc.end.line + 1;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow fallthrough of `case` statements",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-fallthrough"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    commentPattern: {
+                        type: "string",
+                        default: ""
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            case: "Expected a 'break' statement before 'case'.",
+            default: "Expected a 'break' statement before 'default'."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        let currentCodePath = null;
+        const sourceCode = context.getSourceCode();
+
+        /*
+         * We need to use leading comments of the next SwitchCase node because
+         * trailing comments is wrong if semicolons are omitted.
+         */
+        let fallthroughCase = null;
+        let fallthroughCommentPattern = null;
+
+        if (options.commentPattern) {
+            fallthroughCommentPattern = new RegExp(options.commentPattern, "u");
+        } else {
+            fallthroughCommentPattern = DEFAULT_FALLTHROUGH_COMMENT;
+        }
+
+        return {
+            onCodePathStart(codePath) {
+                currentCodePath = codePath;
+            },
+            onCodePathEnd() {
+                currentCodePath = currentCodePath.upper;
+            },
+
+            SwitchCase(node) {
+
+                /*
+                 * Checks whether or not there is a fallthrough comment.
+                 * And reports the previous fallthrough node if that does not exist.
+                 */
+                if (fallthroughCase && !hasFallthroughComment(node, context, fallthroughCommentPattern)) {
+                    context.report({
+                        messageId: node.test ? "case" : "default",
+                        node
+                    });
+                }
+                fallthroughCase = null;
+            },
+
+            "SwitchCase:exit"(node) {
+                const nextToken = sourceCode.getTokenAfter(node);
+
+                /*
+                 * `reachable` meant fall through because statements preceded by
+                 * `break`, `return`, or `throw` are unreachable.
+                 * And allows empty cases and the last case.
+                 */
+                if (currentCodePath.currentSegments.some(isReachable) &&
+                    (node.consequent.length > 0 || hasBlankLinesBetween(node, nextToken)) &&
+                    lodash.last(node.parent.cases) !== node) {
+                    fallthroughCase = node;
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-floating-decimal.js b/eslint/lib/rules/no-floating-decimal.js
new file mode 100644
index 0000000..b1d8832
--- /dev/null
+++ b/eslint/lib/rules/no-floating-decimal.js
@@ -0,0 +1,70 @@
+/**
+ * @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow leading or trailing decimal points in numeric literals",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-floating-decimal"
+        },
+
+        schema: [],
+        fixable: "code",
+        messages: {
+            leading: "A leading decimal point can be confused with a dot.",
+            trailing: "A trailing decimal point can be confused with a dot."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            Literal(node) {
+
+                if (typeof node.value === "number") {
+                    if (node.raw.startsWith(".")) {
+                        context.report({
+                            node,
+                            messageId: "leading",
+                            fix(fixer) {
+                                const tokenBefore = sourceCode.getTokenBefore(node);
+                                const needsSpaceBefore = tokenBefore &&
+                                    tokenBefore.range[1] === node.range[0] &&
+                                    !astUtils.canTokensBeAdjacent(tokenBefore, `0${node.raw}`);
+
+                                return fixer.insertTextBefore(node, needsSpaceBefore ? " 0" : "0");
+                            }
+                        });
+                    }
+                    if (node.raw.indexOf(".") === node.raw.length - 1) {
+                        context.report({
+                            node,
+                            messageId: "trailing",
+                            fix: fixer => fixer.insertTextAfter(node, "0")
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-func-assign.js b/eslint/lib/rules/no-func-assign.js
new file mode 100644
index 0000000..33d0ad9
--- /dev/null
+++ b/eslint/lib/rules/no-func-assign.js
@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Rule to flag use of function declaration identifiers as variables.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow reassigning `function` declarations",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-func-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            isAFunction: "'{{name}}' is a function."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Reports a reference if is non initializer and writable.
+         * @param {References} references Collection of reference to check.
+         * @returns {void}
+         */
+        function checkReference(references) {
+            astUtils.getModifyingReferences(references).forEach(reference => {
+                context.report({
+                    node: reference.identifier,
+                    messageId: "isAFunction",
+                    data: {
+                        name: reference.identifier.name
+                    }
+                });
+            });
+        }
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            if (variable.defs[0].type === "FunctionName") {
+                checkReference(variable.references);
+            }
+        }
+
+        /**
+         * Checks parameters of a given function node.
+         * @param {ASTNode} node A function node to check.
+         * @returns {void}
+         */
+        function checkForFunction(node) {
+            context.getDeclaredVariables(node).forEach(checkVariable);
+        }
+
+        return {
+            FunctionDeclaration: checkForFunction,
+            FunctionExpression: checkForFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-global-assign.js b/eslint/lib/rules/no-global-assign.js
new file mode 100644
index 0000000..ea854c4
--- /dev/null
+++ b/eslint/lib/rules/no-global-assign.js
@@ -0,0 +1,94 @@
+/**
+ * @fileoverview Rule to disallow assignments to native objects or read-only global variables
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow assignments to native objects or read-only global variables",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-global-assign"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: { type: "string" },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            globalShouldNotBeModified: "Read-only global '{{name}}' should not be modified."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0];
+        const exceptions = (config && config.exceptions) || [];
+
+        /**
+         * Reports write references.
+         * @param {Reference} reference A reference to check.
+         * @param {int} index The index of the reference in the references.
+         * @param {Reference[]} references The array that the reference belongs to.
+         * @returns {void}
+         */
+        function checkReference(reference, index, references) {
+            const identifier = reference.identifier;
+
+            if (reference.init === false &&
+                reference.isWrite() &&
+
+                /*
+                 * Destructuring assignments can have multiple default value,
+                 * so possibly there are multiple writeable references for the same identifier.
+                 */
+                (index === 0 || references[index - 1].identifier !== identifier)
+            ) {
+                context.report({
+                    node: identifier,
+                    messageId: "globalShouldNotBeModified",
+                    data: {
+                        name: identifier.name
+                    }
+                });
+            }
+        }
+
+        /**
+         * Reports write references if a given variable is read-only builtin.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            if (variable.writeable === false && exceptions.indexOf(variable.name) === -1) {
+                variable.references.forEach(checkReference);
+            }
+        }
+
+        return {
+            Program() {
+                const globalScope = context.getScope();
+
+                globalScope.variables.forEach(checkVariable);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-implicit-coercion.js b/eslint/lib/rules/no-implicit-coercion.js
new file mode 100644
index 0000000..6d5ee61
--- /dev/null
+++ b/eslint/lib/rules/no-implicit-coercion.js
@@ -0,0 +1,300 @@
+/**
+ * @fileoverview A rule to disallow the type conversions with shorter notations.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const INDEX_OF_PATTERN = /^(?:i|lastI)ndexOf$/u;
+const ALLOWABLE_OPERATORS = ["~", "!!", "+", "*"];
+
+/**
+ * Parses and normalizes an option object.
+ * @param {Object} options An option object to parse.
+ * @returns {Object} The parsed and normalized option object.
+ */
+function parseOptions(options) {
+    return {
+        boolean: "boolean" in options ? options.boolean : true,
+        number: "number" in options ? options.number : true,
+        string: "string" in options ? options.string : true,
+        allow: options.allow || []
+    };
+}
+
+/**
+ * Checks whether or not a node is a double logical nigating.
+ * @param {ASTNode} node An UnaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a double logical nigating.
+ */
+function isDoubleLogicalNegating(node) {
+    return (
+        node.operator === "!" &&
+        node.argument.type === "UnaryExpression" &&
+        node.argument.operator === "!"
+    );
+}
+
+/**
+ * Checks whether or not a node is a binary negating of `.indexOf()` method calling.
+ * @param {ASTNode} node An UnaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a binary negating of `.indexOf()` method calling.
+ */
+function isBinaryNegatingOfIndexOf(node) {
+    return (
+        node.operator === "~" &&
+        node.argument.type === "CallExpression" &&
+        node.argument.callee.type === "MemberExpression" &&
+        node.argument.callee.property.type === "Identifier" &&
+        INDEX_OF_PATTERN.test(node.argument.callee.property.name)
+    );
+}
+
+/**
+ * Checks whether or not a node is a multiplying by one.
+ * @param {BinaryExpression} node A BinaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a multiplying by one.
+ */
+function isMultiplyByOne(node) {
+    return node.operator === "*" && (
+        node.left.type === "Literal" && node.left.value === 1 ||
+        node.right.type === "Literal" && node.right.value === 1
+    );
+}
+
+/**
+ * Checks whether the result of a node is numeric or not
+ * @param {ASTNode} node The node to test
+ * @returns {boolean} true if the node is a number literal or a `Number()`, `parseInt` or `parseFloat` call
+ */
+function isNumeric(node) {
+    return (
+        node.type === "Literal" && typeof node.value === "number" ||
+        node.type === "CallExpression" && (
+            node.callee.name === "Number" ||
+            node.callee.name === "parseInt" ||
+            node.callee.name === "parseFloat"
+        )
+    );
+}
+
+/**
+ * Returns the first non-numeric operand in a BinaryExpression. Designed to be
+ * used from bottom to up since it walks up the BinaryExpression trees using
+ * node.parent to find the result.
+ * @param {BinaryExpression} node The BinaryExpression node to be walked up on
+ * @returns {ASTNode|null} The first non-numeric item in the BinaryExpression tree or null
+ */
+function getNonNumericOperand(node) {
+    const left = node.left,
+        right = node.right;
+
+    if (right.type !== "BinaryExpression" && !isNumeric(right)) {
+        return right;
+    }
+
+    if (left.type !== "BinaryExpression" && !isNumeric(left)) {
+        return left;
+    }
+
+    return null;
+}
+
+/**
+ * Checks whether a node is an empty string literal or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} Whether or not the passed in node is an
+ * empty string literal or not.
+ */
+function isEmptyString(node) {
+    return astUtils.isStringLiteral(node) && (node.value === "" || (node.type === "TemplateLiteral" && node.quasis.length === 1 && node.quasis[0].value.cooked === ""));
+}
+
+/**
+ * Checks whether or not a node is a concatenating with an empty string.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a concatenating with an empty string.
+ */
+function isConcatWithEmptyString(node) {
+    return node.operator === "+" && (
+        (isEmptyString(node.left) && !astUtils.isStringLiteral(node.right)) ||
+        (isEmptyString(node.right) && !astUtils.isStringLiteral(node.left))
+    );
+}
+
+/**
+ * Checks whether or not a node is appended with an empty string.
+ * @param {ASTNode} node An AssignmentExpression node to check.
+ * @returns {boolean} Whether or not the node is appended with an empty string.
+ */
+function isAppendEmptyString(node) {
+    return node.operator === "+=" && isEmptyString(node.right);
+}
+
+/**
+ * Returns the operand that is not an empty string from a flagged BinaryExpression.
+ * @param {ASTNode} node The flagged BinaryExpression node to check.
+ * @returns {ASTNode} The operand that is not an empty string from a flagged BinaryExpression.
+ */
+function getNonEmptyOperand(node) {
+    return isEmptyString(node.left) ? node.right : node.left;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow shorthand type conversions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-implicit-coercion"
+        },
+
+        fixable: "code",
+
+        schema: [{
+            type: "object",
+            properties: {
+                boolean: {
+                    type: "boolean",
+                    default: true
+                },
+                number: {
+                    type: "boolean",
+                    default: true
+                },
+                string: {
+                    type: "boolean",
+                    default: true
+                },
+                allow: {
+                    type: "array",
+                    items: {
+                        enum: ALLOWABLE_OPERATORS
+                    },
+                    uniqueItems: true
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            useRecommendation: "use `{{recommendation}}` instead."
+        }
+    },
+
+    create(context) {
+        const options = parseOptions(context.options[0] || {});
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports an error and autofixes the node
+         * @param {ASTNode} node An ast node to report the error on.
+         * @param {string} recommendation The recommended code for the issue
+         * @param {bool} shouldFix Whether this report should fix the node
+         * @returns {void}
+         */
+        function report(node, recommendation, shouldFix) {
+            context.report({
+                node,
+                messageId: "useRecommendation",
+                data: {
+                    recommendation
+                },
+                fix(fixer) {
+                    if (!shouldFix) {
+                        return null;
+                    }
+
+                    const tokenBefore = sourceCode.getTokenBefore(node);
+
+                    if (
+                        tokenBefore &&
+                        tokenBefore.range[1] === node.range[0] &&
+                        !astUtils.canTokensBeAdjacent(tokenBefore, recommendation)
+                    ) {
+                        return fixer.replaceText(node, ` ${recommendation}`);
+                    }
+                    return fixer.replaceText(node, recommendation);
+                }
+            });
+        }
+
+        return {
+            UnaryExpression(node) {
+                let operatorAllowed;
+
+                // !!foo
+                operatorAllowed = options.allow.indexOf("!!") >= 0;
+                if (!operatorAllowed && options.boolean && isDoubleLogicalNegating(node)) {
+                    const recommendation = `Boolean(${sourceCode.getText(node.argument.argument)})`;
+
+                    report(node, recommendation, true);
+                }
+
+                // ~foo.indexOf(bar)
+                operatorAllowed = options.allow.indexOf("~") >= 0;
+                if (!operatorAllowed && options.boolean && isBinaryNegatingOfIndexOf(node)) {
+                    const recommendation = `${sourceCode.getText(node.argument)} !== -1`;
+
+                    report(node, recommendation, false);
+                }
+
+                // +foo
+                operatorAllowed = options.allow.indexOf("+") >= 0;
+                if (!operatorAllowed && options.number && node.operator === "+" && !isNumeric(node.argument)) {
+                    const recommendation = `Number(${sourceCode.getText(node.argument)})`;
+
+                    report(node, recommendation, true);
+                }
+            },
+
+            // Use `:exit` to prevent double reporting
+            "BinaryExpression:exit"(node) {
+                let operatorAllowed;
+
+                // 1 * foo
+                operatorAllowed = options.allow.indexOf("*") >= 0;
+                const nonNumericOperand = !operatorAllowed && options.number && isMultiplyByOne(node) && getNonNumericOperand(node);
+
+                if (nonNumericOperand) {
+                    const recommendation = `Number(${sourceCode.getText(nonNumericOperand)})`;
+
+                    report(node, recommendation, true);
+                }
+
+                // "" + foo
+                operatorAllowed = options.allow.indexOf("+") >= 0;
+                if (!operatorAllowed && options.string && isConcatWithEmptyString(node)) {
+                    const recommendation = `String(${sourceCode.getText(getNonEmptyOperand(node))})`;
+
+                    report(node, recommendation, true);
+                }
+            },
+
+            AssignmentExpression(node) {
+
+                // foo += ""
+                const operatorAllowed = options.allow.indexOf("+") >= 0;
+
+                if (!operatorAllowed && options.string && isAppendEmptyString(node)) {
+                    const code = sourceCode.getText(getNonEmptyOperand(node));
+                    const recommendation = `${code} = String(${code})`;
+
+                    report(node, recommendation, true);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-implicit-globals.js b/eslint/lib/rules/no-implicit-globals.js
new file mode 100644
index 0000000..d4bfa3a
--- /dev/null
+++ b/eslint/lib/rules/no-implicit-globals.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview Rule to check for implicit global variables, functions and classes.
+ * @author Joshua Peek
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow declarations in the global scope",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-implicit-globals"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                lexicalBindings: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            globalNonLexicalBinding: "Unexpected {{kind}} declaration in the global scope, wrap in an IIFE for a local variable, assign as global property for a global variable.",
+            globalLexicalBinding: "Unexpected {{kind}} declaration in the global scope, wrap in a block or in an IIFE.",
+            globalVariableLeak: "Global variable leak, declare the variable if it is intended to be local.",
+            assignmentToReadonlyGlobal: "Unexpected assignment to read-only global variable.",
+            redeclarationOfReadonlyGlobal: "Unexpected redeclaration of read-only global variable."
+        }
+    },
+
+    create(context) {
+
+        const checkLexicalBindings = context.options[0] && context.options[0].lexicalBindings === true;
+
+        /**
+         * Reports the node.
+         * @param {ASTNode} node Node to report.
+         * @param {string} messageId Id of the message to report.
+         * @param {string|undefined} kind Declaration kind, can be 'var', 'const', 'let', function or class.
+         * @returns {void}
+         */
+        function report(node, messageId, kind) {
+            context.report({
+                node,
+                messageId,
+                data: {
+                    kind
+                }
+            });
+        }
+
+        return {
+            Program() {
+                const scope = context.getScope();
+
+                scope.variables.forEach(variable => {
+
+                    // Only ESLint global variables have the `writable` key.
+                    const isReadonlyEslintGlobalVariable = variable.writeable === false;
+                    const isWritableEslintGlobalVariable = variable.writeable === true;
+
+                    if (isWritableEslintGlobalVariable) {
+
+                        // Everything is allowed with writable ESLint global variables.
+                        return;
+                    }
+
+                    variable.defs.forEach(def => {
+                        const defNode = def.node;
+
+                        if (def.type === "FunctionName" || (def.type === "Variable" && def.parent.kind === "var")) {
+                            if (isReadonlyEslintGlobalVariable) {
+                                report(defNode, "redeclarationOfReadonlyGlobal");
+                            } else {
+                                report(
+                                    defNode,
+                                    "globalNonLexicalBinding",
+                                    def.type === "FunctionName" ? "function" : `'${def.parent.kind}'`
+                                );
+                            }
+                        }
+
+                        if (checkLexicalBindings) {
+                            if (def.type === "ClassName" ||
+                                    (def.type === "Variable" && (def.parent.kind === "let" || def.parent.kind === "const"))) {
+                                if (isReadonlyEslintGlobalVariable) {
+                                    report(defNode, "redeclarationOfReadonlyGlobal");
+                                } else {
+                                    report(
+                                        defNode,
+                                        "globalLexicalBinding",
+                                        def.type === "ClassName" ? "class" : `'${def.parent.kind}'`
+                                    );
+                                }
+                            }
+                        }
+                    });
+                });
+
+                // Undeclared assigned variables.
+                scope.implicit.variables.forEach(variable => {
+                    const scopeVariable = scope.set.get(variable.name);
+                    let messageId;
+
+                    if (scopeVariable) {
+
+                        // ESLint global variable
+                        if (scopeVariable.writeable) {
+                            return;
+                        }
+                        messageId = "assignmentToReadonlyGlobal";
+
+                    } else {
+
+                        // Reference to an unknown variable, possible global leak.
+                        messageId = "globalVariableLeak";
+                    }
+
+                    // def.node is an AssignmentExpression, ForInStatement or ForOfStatement.
+                    variable.defs.forEach(def => {
+                        report(def.node, messageId);
+                    });
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-implied-eval.js b/eslint/lib/rules/no-implied-eval.js
new file mode 100644
index 0000000..1668a04
--- /dev/null
+++ b/eslint/lib/rules/no-implied-eval.js
@@ -0,0 +1,152 @@
+/**
+ * @fileoverview Rule to flag use of implied eval via setTimeout and setInterval
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const { getStaticValue } = require("eslint-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `eval()`-like methods",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-implied-eval"
+        },
+
+        schema: [],
+
+        messages: {
+            impliedEval: "Implied eval. Consider passing a function instead of a string."
+        }
+    },
+
+    create(context) {
+        const EVAL_LIKE_FUNCS = Object.freeze(["setTimeout", "execScript", "setInterval"]);
+        const GLOBAL_CANDIDATES = Object.freeze(["global", "window", "globalThis"]);
+
+        /**
+         * Checks whether a node is evaluated as a string or not.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} True if the node is evaluated as a string.
+         */
+        function isEvaluatedString(node) {
+            if (
+                (node.type === "Literal" && typeof node.value === "string") ||
+                node.type === "TemplateLiteral"
+            ) {
+                return true;
+            }
+            if (node.type === "BinaryExpression" && node.operator === "+") {
+                return isEvaluatedString(node.left) || isEvaluatedString(node.right);
+            }
+            return false;
+        }
+
+        /**
+         * Checks whether a node is an Identifier node named one of the specified names.
+         * @param {ASTNode} node A node to check.
+         * @param {string[]} specifiers Array of specified name.
+         * @returns {boolean} True if the node is a Identifier node which has specified name.
+         */
+        function isSpecifiedIdentifier(node, specifiers) {
+            return node.type === "Identifier" && specifiers.includes(node.name);
+        }
+
+        /**
+         * Checks a given node is a MemberExpression node which has the specified name's
+         * property.
+         * @param {ASTNode} node A node to check.
+         * @param {string[]} specifiers Array of specified name.
+         * @returns {boolean} `true` if the node is a MemberExpression node which has
+         *      the specified name's property
+         */
+        function isSpecifiedMember(node, specifiers) {
+            return node.type === "MemberExpression" && specifiers.includes(astUtils.getStaticPropertyName(node));
+        }
+
+        /**
+         * Reports if the `CallExpression` node has evaluated argument.
+         * @param {ASTNode} node A CallExpression to check.
+         * @returns {void}
+         */
+        function reportImpliedEvalCallExpression(node) {
+            const [firstArgument] = node.arguments;
+
+            if (firstArgument) {
+
+                const staticValue = getStaticValue(firstArgument, context.getScope());
+                const isStaticString = staticValue && typeof staticValue.value === "string";
+                const isString = isStaticString || isEvaluatedString(firstArgument);
+
+                if (isString) {
+                    context.report({
+                        node,
+                        messageId: "impliedEval"
+                    });
+                }
+            }
+
+        }
+
+        /**
+         * Reports calls of `implied eval` via the global references.
+         * @param {Variable} globalVar A global variable to check.
+         * @returns {void}
+         */
+        function reportImpliedEvalViaGlobal(globalVar) {
+            const { references, name } = globalVar;
+
+            references.forEach(ref => {
+                const identifier = ref.identifier;
+                let node = identifier.parent;
+
+                while (isSpecifiedMember(node, [name])) {
+                    node = node.parent;
+                }
+
+                if (isSpecifiedMember(node, EVAL_LIKE_FUNCS)) {
+                    const parent = node.parent;
+
+                    if (parent.type === "CallExpression" && parent.callee === node) {
+                        reportImpliedEvalCallExpression(parent);
+                    }
+                }
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            CallExpression(node) {
+                if (isSpecifiedIdentifier(node.callee, EVAL_LIKE_FUNCS)) {
+                    reportImpliedEvalCallExpression(node);
+                }
+            },
+            "Program:exit"() {
+                const globalScope = context.getScope();
+
+                GLOBAL_CANDIDATES
+                    .map(candidate => astUtils.getVariableByName(globalScope, candidate))
+                    .filter(globalVar => !!globalVar && globalVar.defs.length === 0)
+                    .forEach(reportImpliedEvalViaGlobal);
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-import-assign.js b/eslint/lib/rules/no-import-assign.js
new file mode 100644
index 0000000..32e445f
--- /dev/null
+++ b/eslint/lib/rules/no-import-assign.js
@@ -0,0 +1,238 @@
+/**
+ * @fileoverview Rule to flag updates of imported bindings.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const { findVariable, getPropertyName } = require("eslint-utils");
+
+const MutationMethods = {
+    Object: new Set([
+        "assign", "defineProperties", "defineProperty", "freeze",
+        "setPrototypeOf"
+    ]),
+    Reflect: new Set([
+        "defineProperty", "deleteProperty", "set", "setPrototypeOf"
+    ])
+};
+
+/**
+ * Check if a given node is LHS of an assignment node.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is LHS.
+ */
+function isAssignmentLeft(node) {
+    const { parent } = node;
+
+    return (
+        (
+            parent.type === "AssignmentExpression" &&
+            parent.left === node
+        ) ||
+
+        // Destructuring assignments
+        parent.type === "ArrayPattern" ||
+        (
+            parent.type === "Property" &&
+            parent.value === node &&
+            parent.parent.type === "ObjectPattern"
+        ) ||
+        parent.type === "RestElement" ||
+        (
+            parent.type === "AssignmentPattern" &&
+            parent.left === node
+        )
+    );
+}
+
+/**
+ * Check if a given node is the operand of mutation unary operator.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is the operand of mutation unary operator.
+ */
+function isOperandOfMutationUnaryOperator(node) {
+    const { parent } = node;
+
+    return (
+        (
+            parent.type === "UpdateExpression" &&
+            parent.argument === node
+        ) ||
+        (
+            parent.type === "UnaryExpression" &&
+            parent.operator === "delete" &&
+            parent.argument === node
+        )
+    );
+}
+
+/**
+ * Check if a given node is the iteration variable of `for-in`/`for-of` syntax.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is the iteration variable.
+ */
+function isIterationVariable(node) {
+    const { parent } = node;
+
+    return (
+        (
+            parent.type === "ForInStatement" &&
+            parent.left === node
+        ) ||
+        (
+            parent.type === "ForOfStatement" &&
+            parent.left === node
+        )
+    );
+}
+
+/**
+ * Check if a given node is the iteration variable of `for-in`/`for-of` syntax.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope A `escope.Scope` object to find variable (whichever).
+ * @returns {boolean} `true` if the node is the iteration variable.
+ */
+function isArgumentOfWellKnownMutationFunction(node, scope) {
+    const { parent } = node;
+
+    if (
+        parent.type === "CallExpression" &&
+        parent.arguments[0] === node &&
+        parent.callee.type === "MemberExpression" &&
+        parent.callee.object.type === "Identifier"
+    ) {
+        const { callee } = parent;
+        const { object } = callee;
+
+        if (Object.keys(MutationMethods).includes(object.name)) {
+            const variable = findVariable(scope, object);
+
+            return (
+                variable !== null &&
+                variable.scope.type === "global" &&
+                MutationMethods[object.name].has(getPropertyName(callee, scope))
+            );
+        }
+    }
+
+    return false;
+}
+
+/**
+ * Check if the identifier node is placed at to update members.
+ * @param {ASTNode} id The Identifier node to check.
+ * @param {Scope} scope A `escope.Scope` object to find variable (whichever).
+ * @returns {boolean} `true` if the member of `id` was updated.
+ */
+function isMemberWrite(id, scope) {
+    const { parent } = id;
+
+    return (
+        (
+            parent.type === "MemberExpression" &&
+            parent.object === id &&
+            (
+                isAssignmentLeft(parent) ||
+                isOperandOfMutationUnaryOperator(parent) ||
+                isIterationVariable(parent)
+            )
+        ) ||
+        isArgumentOfWellKnownMutationFunction(id, scope)
+    );
+}
+
+/**
+ * Get the mutation node.
+ * @param {ASTNode} id The Identifier node to get.
+ * @returns {ASTNode} The mutation node.
+ */
+function getWriteNode(id) {
+    let node = id.parent;
+
+    while (
+        node &&
+        node.type !== "AssignmentExpression" &&
+        node.type !== "UpdateExpression" &&
+        node.type !== "UnaryExpression" &&
+        node.type !== "CallExpression" &&
+        node.type !== "ForInStatement" &&
+        node.type !== "ForOfStatement"
+    ) {
+        node = node.parent;
+    }
+
+    return node || id;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow assigning to imported bindings",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-import-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            readonly: "'{{name}}' is read-only.",
+            readonlyMember: "The members of '{{name}}' are read-only."
+        }
+    },
+
+    create(context) {
+        return {
+            ImportDeclaration(node) {
+                const scope = context.getScope();
+
+                for (const variable of context.getDeclaredVariables(node)) {
+                    const shouldCheckMembers = variable.defs.some(
+                        d => d.node.type === "ImportNamespaceSpecifier"
+                    );
+                    let prevIdNode = null;
+
+                    for (const reference of variable.references) {
+                        const idNode = reference.identifier;
+
+                        /*
+                         * AssignmentPattern (e.g. `[a = 0] = b`) makes two write
+                         * references for the same identifier. This should skip
+                         * the one of the two in order to prevent redundant reports.
+                         */
+                        if (idNode === prevIdNode) {
+                            continue;
+                        }
+                        prevIdNode = idNode;
+
+                        if (reference.isWrite()) {
+                            context.report({
+                                node: getWriteNode(idNode),
+                                messageId: "readonly",
+                                data: { name: idNode.name }
+                            });
+                        } else if (shouldCheckMembers && isMemberWrite(idNode, scope)) {
+                            context.report({
+                                node: getWriteNode(idNode),
+                                messageId: "readonlyMember",
+                                data: { name: idNode.name }
+                            });
+                        }
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-inline-comments.js b/eslint/lib/rules/no-inline-comments.js
new file mode 100644
index 0000000..41b0f1e
--- /dev/null
+++ b/eslint/lib/rules/no-inline-comments.js
@@ -0,0 +1,89 @@
+/**
+ * @fileoverview Enforces or disallows inline comments.
+ * @author Greg Cochard
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow inline comments after code",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-inline-comments"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedInlineComment: "Unexpected comment inline with code."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Will check that comments are not on lines starting with or ending with code
+         * @param {ASTNode} node The comment node to check
+         * @private
+         * @returns {void}
+         */
+        function testCodeAroundComment(node) {
+
+            const startLine = String(sourceCode.lines[node.loc.start.line - 1]),
+                endLine = String(sourceCode.lines[node.loc.end.line - 1]),
+                preamble = startLine.slice(0, node.loc.start.column).trim(),
+                postamble = endLine.slice(node.loc.end.column).trim(),
+                isPreambleEmpty = !preamble,
+                isPostambleEmpty = !postamble;
+
+            // Nothing on both sides
+            if (isPreambleEmpty && isPostambleEmpty) {
+                return;
+            }
+
+            // JSX Exception
+            if (
+                (isPreambleEmpty || preamble === "{") &&
+                (isPostambleEmpty || postamble === "}")
+            ) {
+                const enclosingNode = sourceCode.getNodeByRangeIndex(node.range[0]);
+
+                if (enclosingNode && enclosingNode.type === "JSXEmptyExpression") {
+                    return;
+                }
+            }
+
+            // Don't report ESLint directive comments
+            if (astUtils.isDirectiveComment(node)) {
+                return;
+            }
+
+            context.report({
+                node,
+                messageId: "unexpectedInlineComment"
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program() {
+                const comments = sourceCode.getAllComments();
+
+                comments.filter(token => token.type !== "Shebang").forEach(testCodeAroundComment);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-inner-declarations.js b/eslint/lib/rules/no-inner-declarations.js
new file mode 100644
index 0000000..e1c29e0
--- /dev/null
+++ b/eslint/lib/rules/no-inner-declarations.js
@@ -0,0 +1,96 @@
+/**
+ * @fileoverview Rule to enforce declarations in program or function body root.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow variable or `function` declarations in nested blocks",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-inner-declarations"
+        },
+
+        schema: [
+            {
+                enum: ["functions", "both"]
+            }
+        ],
+
+        messages: {
+            moveDeclToRoot: "Move {{type}} declaration to {{body}} root."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Find the nearest Program or Function ancestor node.
+         * @returns {Object} Ancestor's type and distance from node.
+         */
+        function nearestBody() {
+            const ancestors = context.getAncestors();
+            let ancestor = ancestors.pop(),
+                generation = 1;
+
+            while (ancestor && ["Program", "FunctionDeclaration",
+                "FunctionExpression", "ArrowFunctionExpression"
+            ].indexOf(ancestor.type) < 0) {
+                generation += 1;
+                ancestor = ancestors.pop();
+            }
+
+            return {
+
+                // Type of containing ancestor
+                type: ancestor.type,
+
+                // Separation between ancestor and node
+                distance: generation
+            };
+        }
+
+        /**
+         * Ensure that a given node is at a program or function body's root.
+         * @param {ASTNode} node Declaration node to check.
+         * @returns {void}
+         */
+        function check(node) {
+            const body = nearestBody(),
+                valid = ((body.type === "Program" && body.distance === 1) ||
+                    body.distance === 2);
+
+            if (!valid) {
+                context.report({
+                    node,
+                    messageId: "moveDeclToRoot",
+                    data: {
+                        type: (node.type === "FunctionDeclaration" ? "function" : "variable"),
+                        body: (body.type === "Program" ? "program" : "function body")
+                    }
+                });
+            }
+        }
+
+        return {
+
+            FunctionDeclaration: check,
+            VariableDeclaration(node) {
+                if (context.options[0] === "both" && node.kind === "var") {
+                    check(node);
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-invalid-regexp.js b/eslint/lib/rules/no-invalid-regexp.js
new file mode 100644
index 0000000..c09e36f
--- /dev/null
+++ b/eslint/lib/rules/no-invalid-regexp.js
@@ -0,0 +1,130 @@
+/**
+ * @fileoverview Validate strings passed to the RegExp constructor
+ * @author Michael Ficarra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const RegExpValidator = require("regexpp").RegExpValidator;
+const validator = new RegExpValidator({ ecmaVersion: 2018 });
+const validFlags = /[gimuys]/gu;
+const undefined1 = void 0;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow invalid regular expression strings in `RegExp` constructors",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-invalid-regexp"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                allowConstructorFlags: {
+                    type: "array",
+                    items: {
+                        type: "string"
+                    }
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            regexMessage: "{{message}}."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0];
+        let allowedFlags = null;
+
+        if (options && options.allowConstructorFlags) {
+            const temp = options.allowConstructorFlags.join("").replace(validFlags, "");
+
+            if (temp) {
+                allowedFlags = new RegExp(`[${temp}]`, "giu");
+            }
+        }
+
+        /**
+         * Check if node is a string
+         * @param {ASTNode} node node to evaluate
+         * @returns {boolean} True if its a string
+         * @private
+         */
+        function isString(node) {
+            return node && node.type === "Literal" && typeof node.value === "string";
+        }
+
+        /**
+         * Check syntax error in a given pattern.
+         * @param {string} pattern The RegExp pattern to validate.
+         * @param {boolean} uFlag The Unicode flag.
+         * @returns {string|null} The syntax error.
+         */
+        function validateRegExpPattern(pattern, uFlag) {
+            try {
+                validator.validatePattern(pattern, undefined1, undefined1, uFlag);
+                return null;
+            } catch (err) {
+                return err.message;
+            }
+        }
+
+        /**
+         * Check syntax error in a given flags.
+         * @param {string} flags The RegExp flags to validate.
+         * @returns {string|null} The syntax error.
+         */
+        function validateRegExpFlags(flags) {
+            try {
+                validator.validateFlags(flags);
+                return null;
+            } catch (err) {
+                return `Invalid flags supplied to RegExp constructor '${flags}'`;
+            }
+        }
+
+        return {
+            "CallExpression, NewExpression"(node) {
+                if (node.callee.type !== "Identifier" || node.callee.name !== "RegExp" || !isString(node.arguments[0])) {
+                    return;
+                }
+                const pattern = node.arguments[0].value;
+                let flags = isString(node.arguments[1]) ? node.arguments[1].value : "";
+
+                if (allowedFlags) {
+                    flags = flags.replace(allowedFlags, "");
+                }
+
+                // If flags are unknown, check both are errored or not.
+                const message = validateRegExpFlags(flags) || (
+                    flags
+                        ? validateRegExpPattern(pattern, flags.indexOf("u") !== -1)
+                        : validateRegExpPattern(pattern, true) && validateRegExpPattern(pattern, false)
+                );
+
+                if (message) {
+                    context.report({
+                        node,
+                        messageId: "regexMessage",
+                        data: { message }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-invalid-this.js b/eslint/lib/rules/no-invalid-this.js
new file mode 100644
index 0000000..a79c586
--- /dev/null
+++ b/eslint/lib/rules/no-invalid-this.js
@@ -0,0 +1,145 @@
+/**
+ * @fileoverview A rule to disallow `this` keywords outside of classes or class-like objects.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `this` keywords outside of classes or class-like objects",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-invalid-this"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    capIsConstructor: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedThis: "Unexpected 'this'."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const capIsConstructor = options.capIsConstructor !== false;
+        const stack = [],
+            sourceCode = context.getSourceCode();
+
+        /**
+         * Gets the current checking context.
+         *
+         * The return value has a flag that whether or not `this` keyword is valid.
+         * The flag is initialized when got at the first time.
+         * @returns {{valid: boolean}}
+         *   an object which has a flag that whether or not `this` keyword is valid.
+         */
+        stack.getCurrent = function() {
+            const current = this[this.length - 1];
+
+            if (!current.init) {
+                current.init = true;
+                current.valid = !astUtils.isDefaultThisBinding(
+                    current.node,
+                    sourceCode,
+                    { capIsConstructor }
+                );
+            }
+            return current;
+        };
+
+        /**
+         * Pushs new checking context into the stack.
+         *
+         * The checking context is not initialized yet.
+         * Because most functions don't have `this` keyword.
+         * When `this` keyword was found, the checking context is initialized.
+         * @param {ASTNode} node A function node that was entered.
+         * @returns {void}
+         */
+        function enterFunction(node) {
+
+            // `this` can be invalid only under strict mode.
+            stack.push({
+                init: !context.getScope().isStrict,
+                node,
+                valid: true
+            });
+        }
+
+        /**
+         * Pops the current checking context from the stack.
+         * @returns {void}
+         */
+        function exitFunction() {
+            stack.pop();
+        }
+
+        return {
+
+            /*
+             * `this` is invalid only under strict mode.
+             * Modules is always strict mode.
+             */
+            Program(node) {
+                const scope = context.getScope(),
+                    features = context.parserOptions.ecmaFeatures || {};
+
+                stack.push({
+                    init: true,
+                    node,
+                    valid: !(
+                        scope.isStrict ||
+                        node.sourceType === "module" ||
+                        (features.globalReturn && scope.childScopes[0].isStrict)
+                    )
+                });
+            },
+
+            "Program:exit"() {
+                stack.pop();
+            },
+
+            FunctionDeclaration: enterFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            FunctionExpression: enterFunction,
+            "FunctionExpression:exit": exitFunction,
+
+            // Reports if `this` of the current context is invalid.
+            ThisExpression(node) {
+                const current = stack.getCurrent();
+
+                if (current && !current.valid) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedThis"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-irregular-whitespace.js b/eslint/lib/rules/no-irregular-whitespace.js
new file mode 100644
index 0000000..2184233
--- /dev/null
+++ b/eslint/lib/rules/no-irregular-whitespace.js
@@ -0,0 +1,251 @@
+/**
+ * @fileoverview Rule to disallow whitespace that is not a tab or space, whitespace inside strings and comments are allowed
+ * @author Jonathan Kingston
+ * @author Christophe Porteneuve
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const ALL_IRREGULARS = /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000\u2028\u2029]/u;
+const IRREGULAR_WHITESPACE = /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000]+/mgu;
+const IRREGULAR_LINE_TERMINATORS = /[\u2028\u2029]/mgu;
+const LINE_BREAK = astUtils.createGlobalLinebreakMatcher();
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow irregular whitespace",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-irregular-whitespace"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    skipComments: {
+                        type: "boolean",
+                        default: false
+                    },
+                    skipStrings: {
+                        type: "boolean",
+                        default: true
+                    },
+                    skipTemplates: {
+                        type: "boolean",
+                        default: false
+                    },
+                    skipRegExps: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            noIrregularWhitespace: "Irregular whitespace not allowed."
+        }
+    },
+
+    create(context) {
+
+        // Module store of errors that we have found
+        let errors = [];
+
+        // Lookup the `skipComments` option, which defaults to `false`.
+        const options = context.options[0] || {};
+        const skipComments = !!options.skipComments;
+        const skipStrings = options.skipStrings !== false;
+        const skipRegExps = !!options.skipRegExps;
+        const skipTemplates = !!options.skipTemplates;
+
+        const sourceCode = context.getSourceCode();
+        const commentNodes = sourceCode.getAllComments();
+
+        /**
+         * Removes errors that occur inside a string node
+         * @param {ASTNode} node to check for matching errors.
+         * @returns {void}
+         * @private
+         */
+        function removeWhitespaceError(node) {
+            const locStart = node.loc.start;
+            const locEnd = node.loc.end;
+
+            errors = errors.filter(({ loc: errorLoc }) => {
+                if (errorLoc.line >= locStart.line && errorLoc.line <= locEnd.line) {
+                    if (errorLoc.column >= locStart.column && (errorLoc.column <= locEnd.column || errorLoc.line < locEnd.line)) {
+                        return false;
+                    }
+                }
+                return true;
+            });
+        }
+
+        /**
+         * Checks identifier or literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+         * @param {ASTNode} node to check for matching errors.
+         * @returns {void}
+         * @private
+         */
+        function removeInvalidNodeErrorsInIdentifierOrLiteral(node) {
+            const shouldCheckStrings = skipStrings && (typeof node.value === "string");
+            const shouldCheckRegExps = skipRegExps && Boolean(node.regex);
+
+            if (shouldCheckStrings || shouldCheckRegExps) {
+
+                // If we have irregular characters remove them from the errors list
+                if (ALL_IRREGULARS.test(node.raw)) {
+                    removeWhitespaceError(node);
+                }
+            }
+        }
+
+        /**
+         * Checks template string literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+         * @param {ASTNode} node to check for matching errors.
+         * @returns {void}
+         * @private
+         */
+        function removeInvalidNodeErrorsInTemplateLiteral(node) {
+            if (typeof node.value.raw === "string") {
+                if (ALL_IRREGULARS.test(node.value.raw)) {
+                    removeWhitespaceError(node);
+                }
+            }
+        }
+
+        /**
+         * Checks comment nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+         * @param {ASTNode} node to check for matching errors.
+         * @returns {void}
+         * @private
+         */
+        function removeInvalidNodeErrorsInComment(node) {
+            if (ALL_IRREGULARS.test(node.value)) {
+                removeWhitespaceError(node);
+            }
+        }
+
+        /**
+         * Checks the program source for irregular whitespace
+         * @param {ASTNode} node The program node
+         * @returns {void}
+         * @private
+         */
+        function checkForIrregularWhitespace(node) {
+            const sourceLines = sourceCode.lines;
+
+            sourceLines.forEach((sourceLine, lineIndex) => {
+                const lineNumber = lineIndex + 1;
+                let match;
+
+                while ((match = IRREGULAR_WHITESPACE.exec(sourceLine)) !== null) {
+                    const location = {
+                        line: lineNumber,
+                        column: match.index
+                    };
+
+                    errors.push({
+                        node,
+                        messageId: "noIrregularWhitespace",
+                        loc: location
+                    });
+                }
+            });
+        }
+
+        /**
+         * Checks the program source for irregular line terminators
+         * @param {ASTNode} node The program node
+         * @returns {void}
+         * @private
+         */
+        function checkForIrregularLineTerminators(node) {
+            const source = sourceCode.getText(),
+                sourceLines = sourceCode.lines,
+                linebreaks = source.match(LINE_BREAK);
+            let lastLineIndex = -1,
+                match;
+
+            while ((match = IRREGULAR_LINE_TERMINATORS.exec(source)) !== null) {
+                const lineIndex = linebreaks.indexOf(match[0], lastLineIndex + 1) || 0;
+                const location = {
+                    line: lineIndex + 1,
+                    column: sourceLines[lineIndex].length
+                };
+
+                errors.push({
+                    node,
+                    messageId: "noIrregularWhitespace",
+                    loc: location
+                });
+                lastLineIndex = lineIndex;
+            }
+        }
+
+        /**
+         * A no-op function to act as placeholder for comment accumulation when the `skipComments` option is `false`.
+         * @returns {void}
+         * @private
+         */
+        function noop() {}
+
+        const nodes = {};
+
+        if (ALL_IRREGULARS.test(sourceCode.getText())) {
+            nodes.Program = function(node) {
+
+                /*
+                 * As we can easily fire warnings for all white space issues with
+                 * all the source its simpler to fire them here.
+                 * This means we can check all the application code without having
+                 * to worry about issues caused in the parser tokens.
+                 * When writing this code also evaluating per node was missing out
+                 * connecting tokens in some cases.
+                 * We can later filter the errors when they are found to be not an
+                 * issue in nodes we don't care about.
+                 */
+                checkForIrregularWhitespace(node);
+                checkForIrregularLineTerminators(node);
+            };
+
+            nodes.Identifier = removeInvalidNodeErrorsInIdentifierOrLiteral;
+            nodes.Literal = removeInvalidNodeErrorsInIdentifierOrLiteral;
+            nodes.TemplateElement = skipTemplates ? removeInvalidNodeErrorsInTemplateLiteral : noop;
+            nodes["Program:exit"] = function() {
+                if (skipComments) {
+
+                    // First strip errors occurring in comment nodes.
+                    commentNodes.forEach(removeInvalidNodeErrorsInComment);
+                }
+
+                // If we have any errors remaining report on them
+                errors.forEach(error => context.report(error));
+            };
+        } else {
+            nodes.Program = noop;
+        }
+
+        return nodes;
+    }
+};
diff --git a/eslint/lib/rules/no-iterator.js b/eslint/lib/rules/no-iterator.js
new file mode 100644
index 0000000..9ba1e7a
--- /dev/null
+++ b/eslint/lib/rules/no-iterator.js
@@ -0,0 +1,52 @@
+/**
+ * @fileoverview Rule to flag usage of __iterator__ property
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { getStaticPropertyName } = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of the `__iterator__` property",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-iterator"
+        },
+
+        schema: [],
+
+        messages: {
+            noIterator: "Reserved name '__iterator__'."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            MemberExpression(node) {
+
+                if (getStaticPropertyName(node) === "__iterator__") {
+                    context.report({
+                        node,
+                        messageId: "noIterator"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-label-var.js b/eslint/lib/rules/no-label-var.js
new file mode 100644
index 0000000..570db03
--- /dev/null
+++ b/eslint/lib/rules/no-label-var.js
@@ -0,0 +1,79 @@
+/**
+ * @fileoverview Rule to flag labels that are the same as an identifier
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow labels that share a name with a variable",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-label-var"
+        },
+
+        schema: [],
+
+        messages: {
+            identifierClashWithLabel: "Found identifier with same name as label."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Check if the identifier is present inside current scope
+         * @param {Object} scope current scope
+         * @param {string} name To evaluate
+         * @returns {boolean} True if its present
+         * @private
+         */
+        function findIdentifier(scope, name) {
+            return astUtils.getVariableByName(scope, name) !== null;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            LabeledStatement(node) {
+
+                // Fetch the innermost scope.
+                const scope = context.getScope();
+
+                /*
+                 * Recursively find the identifier walking up the scope, starting
+                 * with the innermost scope.
+                 */
+                if (findIdentifier(scope, node.label.name)) {
+                    context.report({
+                        node,
+                        messageId: "identifierClashWithLabel"
+                    });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-labels.js b/eslint/lib/rules/no-labels.js
new file mode 100644
index 0000000..85760d8
--- /dev/null
+++ b/eslint/lib/rules/no-labels.js
@@ -0,0 +1,149 @@
+/**
+ * @fileoverview Disallow Labeled Statements
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow labeled statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-labels"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowLoop: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowSwitch: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedLabel: "Unexpected labeled statement.",
+            unexpectedLabelInBreak: "Unexpected label in break statement.",
+            unexpectedLabelInContinue: "Unexpected label in continue statement."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0];
+        const allowLoop = options && options.allowLoop;
+        const allowSwitch = options && options.allowSwitch;
+        let scopeInfo = null;
+
+        /**
+         * Gets the kind of a given node.
+         * @param {ASTNode} node A node to get.
+         * @returns {string} The kind of the node.
+         */
+        function getBodyKind(node) {
+            if (astUtils.isLoop(node)) {
+                return "loop";
+            }
+            if (node.type === "SwitchStatement") {
+                return "switch";
+            }
+            return "other";
+        }
+
+        /**
+         * Checks whether the label of a given kind is allowed or not.
+         * @param {string} kind A kind to check.
+         * @returns {boolean} `true` if the kind is allowed.
+         */
+        function isAllowed(kind) {
+            switch (kind) {
+                case "loop": return allowLoop;
+                case "switch": return allowSwitch;
+                default: return false;
+            }
+        }
+
+        /**
+         * Checks whether a given name is a label of a loop or not.
+         * @param {string} label A name of a label to check.
+         * @returns {boolean} `true` if the name is a label of a loop.
+         */
+        function getKind(label) {
+            let info = scopeInfo;
+
+            while (info) {
+                if (info.label === label) {
+                    return info.kind;
+                }
+                info = info.upper;
+            }
+
+            /* istanbul ignore next: syntax error */
+            return "other";
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            LabeledStatement(node) {
+                scopeInfo = {
+                    label: node.label.name,
+                    kind: getBodyKind(node.body),
+                    upper: scopeInfo
+                };
+            },
+
+            "LabeledStatement:exit"(node) {
+                if (!isAllowed(scopeInfo.kind)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedLabel"
+                    });
+                }
+
+                scopeInfo = scopeInfo.upper;
+            },
+
+            BreakStatement(node) {
+                if (node.label && !isAllowed(getKind(node.label.name))) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedLabelInBreak"
+                    });
+                }
+            },
+
+            ContinueStatement(node) {
+                if (node.label && !isAllowed(getKind(node.label.name))) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedLabelInContinue"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-lone-blocks.js b/eslint/lib/rules/no-lone-blocks.js
new file mode 100644
index 0000000..d706988
--- /dev/null
+++ b/eslint/lib/rules/no-lone-blocks.js
@@ -0,0 +1,128 @@
+/**
+ * @fileoverview Rule to flag blocks with no reason to exist
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary nested blocks",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-lone-blocks"
+        },
+
+        schema: [],
+
+        messages: {
+            redundantBlock: "Block is redundant.",
+            redundantNestedBlock: "Nested block is redundant."
+        }
+    },
+
+    create(context) {
+
+        // A stack of lone blocks to be checked for block-level bindings
+        const loneBlocks = [];
+        let ruleDef;
+
+        /**
+         * Reports a node as invalid.
+         * @param {ASTNode} node The node to be reported.
+         * @returns {void}
+         */
+        function report(node) {
+            const messageId = node.parent.type === "BlockStatement" ? "redundantNestedBlock" : "redundantBlock";
+
+            context.report({
+                node,
+                messageId
+            });
+        }
+
+        /**
+         * Checks for any ocurrence of a BlockStatement in a place where lists of statements can appear
+         * @param {ASTNode} node The node to check
+         * @returns {boolean} True if the node is a lone block.
+         */
+        function isLoneBlock(node) {
+            return node.parent.type === "BlockStatement" ||
+                node.parent.type === "Program" ||
+
+                // Don't report blocks in switch cases if the block is the only statement of the case.
+                node.parent.type === "SwitchCase" && !(node.parent.consequent[0] === node && node.parent.consequent.length === 1);
+        }
+
+        /**
+         * Checks the enclosing block of the current node for block-level bindings,
+         * and "marks it" as valid if any.
+         * @returns {void}
+         */
+        function markLoneBlock() {
+            if (loneBlocks.length === 0) {
+                return;
+            }
+
+            const block = context.getAncestors().pop();
+
+            if (loneBlocks[loneBlocks.length - 1] === block) {
+                loneBlocks.pop();
+            }
+        }
+
+        // Default rule definition: report all lone blocks
+        ruleDef = {
+            BlockStatement(node) {
+                if (isLoneBlock(node)) {
+                    report(node);
+                }
+            }
+        };
+
+        // ES6: report blocks without block-level bindings, or that's only child of another block
+        if (context.parserOptions.ecmaVersion >= 6) {
+            ruleDef = {
+                BlockStatement(node) {
+                    if (isLoneBlock(node)) {
+                        loneBlocks.push(node);
+                    }
+                },
+                "BlockStatement:exit"(node) {
+                    if (loneBlocks.length > 0 && loneBlocks[loneBlocks.length - 1] === node) {
+                        loneBlocks.pop();
+                        report(node);
+                    } else if (
+                        node.parent.type === "BlockStatement" &&
+                        node.parent.body.length === 1
+                    ) {
+                        report(node);
+                    }
+                }
+            };
+
+            ruleDef.VariableDeclaration = function(node) {
+                if (node.kind === "let" || node.kind === "const") {
+                    markLoneBlock();
+                }
+            };
+
+            ruleDef.FunctionDeclaration = function() {
+                if (context.getScope().isStrict) {
+                    markLoneBlock();
+                }
+            };
+
+            ruleDef.ClassDeclaration = markLoneBlock;
+        }
+
+        return ruleDef;
+    }
+};
diff --git a/eslint/lib/rules/no-lonely-if.js b/eslint/lib/rules/no-lonely-if.js
new file mode 100644
index 0000000..6552adc
--- /dev/null
+++ b/eslint/lib/rules/no-lonely-if.js
@@ -0,0 +1,89 @@
+/**
+ * @fileoverview Rule to disallow if as the only statement in an else block
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `if` statements as the only statement in `else` blocks",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-lonely-if"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unexpectedLonelyIf: "Unexpected if as the only statement in an else block."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            IfStatement(node) {
+                const ancestors = context.getAncestors(),
+                    parent = ancestors.pop(),
+                    grandparent = ancestors.pop();
+
+                if (parent && parent.type === "BlockStatement" &&
+                        parent.body.length === 1 && grandparent &&
+                        grandparent.type === "IfStatement" &&
+                        parent === grandparent.alternate) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedLonelyIf",
+                        fix(fixer) {
+                            const openingElseCurly = sourceCode.getFirstToken(parent);
+                            const closingElseCurly = sourceCode.getLastToken(parent);
+                            const elseKeyword = sourceCode.getTokenBefore(openingElseCurly);
+                            const tokenAfterElseBlock = sourceCode.getTokenAfter(closingElseCurly);
+                            const lastIfToken = sourceCode.getLastToken(node.consequent);
+                            const sourceText = sourceCode.getText();
+
+                            if (sourceText.slice(openingElseCurly.range[1],
+                                node.range[0]).trim() || sourceText.slice(node.range[1], closingElseCurly.range[0]).trim()) {
+
+                                // Don't fix if there are any non-whitespace characters interfering (e.g. comments)
+                                return null;
+                            }
+
+                            if (
+                                node.consequent.type !== "BlockStatement" && lastIfToken.value !== ";" && tokenAfterElseBlock &&
+                                (
+                                    node.consequent.loc.end.line === tokenAfterElseBlock.loc.start.line ||
+                                    /^[([/+`-]/u.test(tokenAfterElseBlock.value) ||
+                                    lastIfToken.value === "++" ||
+                                    lastIfToken.value === "--"
+                                )
+                            ) {
+
+                                /*
+                                 * If the `if` statement has no block, and is not followed by a semicolon, make sure that fixing
+                                 * the issue would not change semantics due to ASI. If this would happen, don't do a fix.
+                                 */
+                                return null;
+                            }
+
+                            return fixer.replaceTextRange(
+                                [openingElseCurly.range[0], closingElseCurly.range[1]],
+                                (elseKeyword.range[1] === openingElseCurly.range[0] ? " " : "") + sourceCode.getText(node)
+                            );
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-loop-func.js b/eslint/lib/rules/no-loop-func.js
new file mode 100644
index 0000000..13ebd3e
--- /dev/null
+++ b/eslint/lib/rules/no-loop-func.js
@@ -0,0 +1,204 @@
+/**
+ * @fileoverview Rule to flag creation of function inside a loop
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the containing loop node of a specified node.
+ *
+ * We don't need to check nested functions, so this ignores those.
+ * `Scope.through` contains references of nested functions.
+ * @param {ASTNode} node An AST node to get.
+ * @returns {ASTNode|null} The containing loop node of the specified node, or
+ *      `null`.
+ */
+function getContainingLoopNode(node) {
+    for (let currentNode = node; currentNode.parent; currentNode = currentNode.parent) {
+        const parent = currentNode.parent;
+
+        switch (parent.type) {
+            case "WhileStatement":
+            case "DoWhileStatement":
+                return parent;
+
+            case "ForStatement":
+
+                // `init` is outside of the loop.
+                if (parent.init !== currentNode) {
+                    return parent;
+                }
+                break;
+
+            case "ForInStatement":
+            case "ForOfStatement":
+
+                // `right` is outside of the loop.
+                if (parent.right !== currentNode) {
+                    return parent;
+                }
+                break;
+
+            case "ArrowFunctionExpression":
+            case "FunctionExpression":
+            case "FunctionDeclaration":
+
+                // We don't need to check nested functions.
+                return null;
+
+            default:
+                break;
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Gets the containing loop node of a given node.
+ * If the loop was nested, this returns the most outer loop.
+ * @param {ASTNode} node A node to get. This is a loop node.
+ * @param {ASTNode|null} excludedNode A node that the result node should not
+ *      include.
+ * @returns {ASTNode} The most outer loop node.
+ */
+function getTopLoopNode(node, excludedNode) {
+    const border = excludedNode ? excludedNode.range[1] : 0;
+    let retv = node;
+    let containingLoopNode = node;
+
+    while (containingLoopNode && containingLoopNode.range[0] >= border) {
+        retv = containingLoopNode;
+        containingLoopNode = getContainingLoopNode(containingLoopNode);
+    }
+
+    return retv;
+}
+
+/**
+ * Checks whether a given reference which refers to an upper scope's variable is
+ * safe or not.
+ * @param {ASTNode} loopNode A containing loop node.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is safe or not.
+ */
+function isSafe(loopNode, reference) {
+    const variable = reference.resolved;
+    const definition = variable && variable.defs[0];
+    const declaration = definition && definition.parent;
+    const kind = (declaration && declaration.type === "VariableDeclaration")
+        ? declaration.kind
+        : "";
+
+    // Variables which are declared by `const` is safe.
+    if (kind === "const") {
+        return true;
+    }
+
+    /*
+     * Variables which are declared by `let` in the loop is safe.
+     * It's a different instance from the next loop step's.
+     */
+    if (kind === "let" &&
+        declaration.range[0] > loopNode.range[0] &&
+        declaration.range[1] < loopNode.range[1]
+    ) {
+        return true;
+    }
+
+    /*
+     * WriteReferences which exist after this border are unsafe because those
+     * can modify the variable.
+     */
+    const border = getTopLoopNode(
+        loopNode,
+        (kind === "let") ? declaration : null
+    ).range[0];
+
+    /**
+     * Checks whether a given reference is safe or not.
+     * The reference is every reference of the upper scope's variable we are
+     * looking now.
+     *
+     * It's safeafe if the reference matches one of the following condition.
+     * - is readonly.
+     * - doesn't exist inside a local function and after the border.
+     * @param {eslint-scope.Reference} upperRef A reference to check.
+     * @returns {boolean} `true` if the reference is safe.
+     */
+    function isSafeReference(upperRef) {
+        const id = upperRef.identifier;
+
+        return (
+            !upperRef.isWrite() ||
+            variable.scope.variableScope === upperRef.from.variableScope &&
+            id.range[0] < border
+        );
+    }
+
+    return Boolean(variable) && variable.references.every(isSafeReference);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow function declarations that contain unsafe references inside loop statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-loop-func"
+        },
+
+        schema: [],
+
+        messages: {
+            unsafeRefs: "Function declared in a loop contains unsafe references to variable(s) {{ varNames }}."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Reports functions which match the following condition:
+         *
+         * - has a loop node in ancestors.
+         * - has any references which refers to an unsafe variable.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {boolean} Whether or not the node is within a loop.
+         */
+        function checkForLoops(node) {
+            const loopNode = getContainingLoopNode(node);
+
+            if (!loopNode) {
+                return;
+            }
+
+            const references = context.getScope().through;
+            const unsafeRefs = references.filter(r => !isSafe(loopNode, r)).map(r => r.identifier.name);
+
+            if (unsafeRefs.length > 0) {
+                context.report({
+                    node,
+                    messageId: "unsafeRefs",
+                    data: { varNames: `'${unsafeRefs.join("', '")}'` }
+                });
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: checkForLoops,
+            FunctionExpression: checkForLoops,
+            FunctionDeclaration: checkForLoops
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-magic-numbers.js b/eslint/lib/rules/no-magic-numbers.js
new file mode 100644
index 0000000..cd07f5c
--- /dev/null
+++ b/eslint/lib/rules/no-magic-numbers.js
@@ -0,0 +1,213 @@
+/**
+ * @fileoverview Rule to flag statements that use magic numbers (adapted from https://github.com/danielstjules/buddy.js)
+ * @author Vincent Lemeunier
+ */
+
+"use strict";
+
+const { isNumericLiteral } = require("./utils/ast-utils");
+
+// Maximum array length by the ECMAScript Specification.
+const MAX_ARRAY_LENGTH = 2 ** 32 - 1;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Convert the value to bigint if it's a string. Otherwise return the value as-is.
+ * @param {bigint|number|string} x The value to normalize.
+ * @returns {bigint|number} The normalized value.
+ */
+function normalizeIgnoreValue(x) {
+    if (typeof x === "string") {
+        return BigInt(x.slice(0, -1));
+    }
+    return x;
+}
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow magic numbers",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-magic-numbers"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                detectObjects: {
+                    type: "boolean",
+                    default: false
+                },
+                enforceConst: {
+                    type: "boolean",
+                    default: false
+                },
+                ignore: {
+                    type: "array",
+                    items: {
+                        anyOf: [
+                            { type: "number" },
+                            { type: "string", pattern: "^[+-]?(?:0|[1-9][0-9]*)n$" }
+                        ]
+                    },
+                    uniqueItems: true
+                },
+                ignoreArrayIndexes: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            useConst: "Number constants declarations must use 'const'.",
+            noMagic: "No magic number: {{raw}}."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0] || {},
+            detectObjects = !!config.detectObjects,
+            enforceConst = !!config.enforceConst,
+            ignore = (config.ignore || []).map(normalizeIgnoreValue),
+            ignoreArrayIndexes = !!config.ignoreArrayIndexes;
+
+        const okTypes = detectObjects ? [] : ["ObjectExpression", "Property", "AssignmentExpression"];
+
+        /**
+         * Returns whether the rule is configured to ignore the given value
+         * @param {bigint|number} value The value to check
+         * @returns {boolean} true if the value is ignored
+         */
+        function isIgnoredValue(value) {
+            return ignore.indexOf(value) !== -1;
+        }
+
+        /**
+         * Returns whether the given node is used as a radix within parseInt() or Number.parseInt()
+         * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+         * @returns {boolean} true if the node is radix
+         */
+        function isParseIntRadix(fullNumberNode) {
+            const parent = fullNumberNode.parent;
+
+            return parent.type === "CallExpression" && fullNumberNode === parent.arguments[1] &&
+                (
+                    parent.callee.name === "parseInt" ||
+                    (
+                        parent.callee.type === "MemberExpression" &&
+                        parent.callee.object.name === "Number" &&
+                        parent.callee.property.name === "parseInt"
+                    )
+                );
+        }
+
+        /**
+         * Returns whether the given node is a direct child of a JSX node.
+         * In particular, it aims to detect numbers used as prop values in JSX tags.
+         * Example: <input maxLength={10} />
+         * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+         * @returns {boolean} true if the node is a JSX number
+         */
+        function isJSXNumber(fullNumberNode) {
+            return fullNumberNode.parent.type.indexOf("JSX") === 0;
+        }
+
+        /**
+         * Returns whether the given node is used as an array index.
+         * Value must coerce to a valid array index name: "0", "1", "2" ... "4294967294".
+         *
+         * All other values, like "-1", "2.5", or "4294967295", are just "normal" object properties,
+         * which can be created and accessed on an array in addition to the array index properties,
+         * but they don't affect array's length and are not considered by methods such as .map(), .forEach() etc.
+         *
+         * The maximum array length by the specification is 2 ** 32 - 1 = 4294967295,
+         * thus the maximum valid index is 2 ** 32 - 2 = 4294967294.
+         *
+         * All notations are allowed, as long as the value coerces to one of "0", "1", "2" ... "4294967294".
+         *
+         * Valid examples:
+         * a[0], a[1], a[1.2e1], a[0xAB], a[0n], a[1n]
+         * a[-0] (same as a[0] because -0 coerces to "0")
+         * a[-0n] (-0n evaluates to 0n)
+         *
+         * Invalid examples:
+         * a[-1], a[-0xAB], a[-1n], a[2.5], a[1.23e1], a[12e-1]
+         * a[4294967295] (above the max index, it's an access to a regular property a["4294967295"])
+         * a[999999999999999999999] (even if it wasn't above the max index, it would be a["1e+21"])
+         * a[1e310] (same as a["Infinity"])
+         * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+         * @param {bigint|number} value Value expressed by the fullNumberNode
+         * @returns {boolean} true if the node is a valid array index
+         */
+        function isArrayIndex(fullNumberNode, value) {
+            const parent = fullNumberNode.parent;
+
+            return parent.type === "MemberExpression" && parent.property === fullNumberNode &&
+                (Number.isInteger(value) || typeof value === "bigint") &&
+                value >= 0 && value < MAX_ARRAY_LENGTH;
+        }
+
+        return {
+            Literal(node) {
+                if (!isNumericLiteral(node)) {
+                    return;
+                }
+
+                let fullNumberNode;
+                let value;
+                let raw;
+
+                // Treat unary minus as a part of the number
+                if (node.parent.type === "UnaryExpression" && node.parent.operator === "-") {
+                    fullNumberNode = node.parent;
+                    value = -node.value;
+                    raw = `-${node.raw}`;
+                } else {
+                    fullNumberNode = node;
+                    value = node.value;
+                    raw = node.raw;
+                }
+
+                // Always allow radix arguments and JSX props
+                if (
+                    isIgnoredValue(value) ||
+                    isParseIntRadix(fullNumberNode) ||
+                    isJSXNumber(fullNumberNode) ||
+                    (ignoreArrayIndexes && isArrayIndex(fullNumberNode, value))
+                ) {
+                    return;
+                }
+
+                const parent = fullNumberNode.parent;
+
+                if (parent.type === "VariableDeclarator") {
+                    if (enforceConst && parent.parent.kind !== "const") {
+                        context.report({
+                            node: fullNumberNode,
+                            messageId: "useConst"
+                        });
+                    }
+                } else if (
+                    okTypes.indexOf(parent.type) === -1 ||
+                    (parent.type === "AssignmentExpression" && parent.left.type === "Identifier")
+                ) {
+                    context.report({
+                        node: fullNumberNode,
+                        messageId: "noMagic",
+                        data: {
+                            raw
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-misleading-character-class.js b/eslint/lib/rules/no-misleading-character-class.js
new file mode 100644
index 0000000..9315ba6
--- /dev/null
+++ b/eslint/lib/rules/no-misleading-character-class.js
@@ -0,0 +1,200 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const { CALL, CONSTRUCT, ReferenceTracker, getStringIfConstant } = require("eslint-utils");
+const { RegExpParser, visitRegExpAST } = require("regexpp");
+const { isCombiningCharacter, isEmojiModifier, isRegionalIndicatorSymbol, isSurrogatePair } = require("./utils/unicode");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Iterate character sequences of a given nodes.
+ *
+ * CharacterClassRange syntax can steal a part of character sequence,
+ * so this function reverts CharacterClassRange syntax and restore the sequence.
+ * @param {regexpp.AST.CharacterClassElement[]} nodes The node list to iterate character sequences.
+ * @returns {IterableIterator<number[]>} The list of character sequences.
+ */
+function *iterateCharacterSequence(nodes) {
+    let seq = [];
+
+    for (const node of nodes) {
+        switch (node.type) {
+            case "Character":
+                seq.push(node.value);
+                break;
+
+            case "CharacterClassRange":
+                seq.push(node.min.value);
+                yield seq;
+                seq = [node.max.value];
+                break;
+
+            case "CharacterSet":
+                if (seq.length > 0) {
+                    yield seq;
+                    seq = [];
+                }
+                break;
+
+            // no default
+        }
+    }
+
+    if (seq.length > 0) {
+        yield seq;
+    }
+}
+
+const hasCharacterSequence = {
+    surrogatePairWithoutUFlag(chars) {
+        return chars.some((c, i) => i !== 0 && isSurrogatePair(chars[i - 1], c));
+    },
+
+    combiningClass(chars) {
+        return chars.some((c, i) => (
+            i !== 0 &&
+            isCombiningCharacter(c) &&
+            !isCombiningCharacter(chars[i - 1])
+        ));
+    },
+
+    emojiModifier(chars) {
+        return chars.some((c, i) => (
+            i !== 0 &&
+            isEmojiModifier(c) &&
+            !isEmojiModifier(chars[i - 1])
+        ));
+    },
+
+    regionalIndicatorSymbol(chars) {
+        return chars.some((c, i) => (
+            i !== 0 &&
+            isRegionalIndicatorSymbol(c) &&
+            isRegionalIndicatorSymbol(chars[i - 1])
+        ));
+    },
+
+    zwj(chars) {
+        const lastIndex = chars.length - 1;
+
+        return chars.some((c, i) => (
+            i !== 0 &&
+            i !== lastIndex &&
+            c === 0x200d &&
+            chars[i - 1] !== 0x200d &&
+            chars[i + 1] !== 0x200d
+        ));
+    }
+};
+
+const kinds = Object.keys(hasCharacterSequence);
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow characters which are made with multiple code points in character class syntax",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-misleading-character-class"
+        },
+
+        schema: [],
+
+        messages: {
+            surrogatePairWithoutUFlag: "Unexpected surrogate pair in character class. Use 'u' flag.",
+            combiningClass: "Unexpected combined character in character class.",
+            emojiModifier: "Unexpected modified Emoji in character class.",
+            regionalIndicatorSymbol: "Unexpected national flag in character class.",
+            zwj: "Unexpected joined character sequence in character class."
+        }
+    },
+    create(context) {
+        const parser = new RegExpParser();
+
+        /**
+         * Verify a given regular expression.
+         * @param {Node} node The node to report.
+         * @param {string} pattern The regular expression pattern to verify.
+         * @param {string} flags The flags of the regular expression.
+         * @returns {void}
+         */
+        function verify(node, pattern, flags) {
+            const has = {
+                surrogatePairWithoutUFlag: false,
+                combiningClass: false,
+                variationSelector: false,
+                emojiModifier: false,
+                regionalIndicatorSymbol: false,
+                zwj: false
+            };
+            let patternNode;
+
+            try {
+                patternNode = parser.parsePattern(
+                    pattern,
+                    0,
+                    pattern.length,
+                    flags.includes("u")
+                );
+            } catch (e) {
+
+                // Ignore regular expressions with syntax errors
+                return;
+            }
+
+            visitRegExpAST(patternNode, {
+                onCharacterClassEnter(ccNode) {
+                    for (const chars of iterateCharacterSequence(ccNode.elements)) {
+                        for (const kind of kinds) {
+                            has[kind] = has[kind] || hasCharacterSequence[kind](chars);
+                        }
+                    }
+                }
+            });
+
+            for (const kind of kinds) {
+                if (has[kind]) {
+                    context.report({ node, messageId: kind });
+                }
+            }
+        }
+
+        return {
+            "Literal[regex]"(node) {
+                verify(node, node.regex.pattern, node.regex.flags);
+            },
+            "Program"() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+
+                /*
+                 * Iterate calls of RegExp.
+                 * E.g., `new RegExp()`, `RegExp()`, `new window.RegExp()`,
+                 *       `const {RegExp: a} = window; new a()`, etc...
+                 */
+                for (const { node } of tracker.iterateGlobalReferences({
+                    RegExp: { [CALL]: true, [CONSTRUCT]: true }
+                })) {
+                    const [patternNode, flagsNode] = node.arguments;
+                    const pattern = getStringIfConstant(patternNode, scope);
+                    const flags = getStringIfConstant(flagsNode, scope);
+
+                    if (typeof pattern === "string") {
+                        verify(node, pattern, flags || "");
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-mixed-operators.js b/eslint/lib/rules/no-mixed-operators.js
new file mode 100644
index 0000000..37e8906
--- /dev/null
+++ b/eslint/lib/rules/no-mixed-operators.js
@@ -0,0 +1,242 @@
+/**
+ * @fileoverview Rule to disallow mixed binary operators.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils.js");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ARITHMETIC_OPERATORS = ["+", "-", "*", "/", "%", "**"];
+const BITWISE_OPERATORS = ["&", "|", "^", "~", "<<", ">>", ">>>"];
+const COMPARISON_OPERATORS = ["==", "!=", "===", "!==", ">", ">=", "<", "<="];
+const LOGICAL_OPERATORS = ["&&", "||"];
+const RELATIONAL_OPERATORS = ["in", "instanceof"];
+const TERNARY_OPERATOR = ["?:"];
+const ALL_OPERATORS = [].concat(
+    ARITHMETIC_OPERATORS,
+    BITWISE_OPERATORS,
+    COMPARISON_OPERATORS,
+    LOGICAL_OPERATORS,
+    RELATIONAL_OPERATORS,
+    TERNARY_OPERATOR
+);
+const DEFAULT_GROUPS = [
+    ARITHMETIC_OPERATORS,
+    BITWISE_OPERATORS,
+    COMPARISON_OPERATORS,
+    LOGICAL_OPERATORS,
+    RELATIONAL_OPERATORS
+];
+const TARGET_NODE_TYPE = /^(?:Binary|Logical|Conditional)Expression$/u;
+
+/**
+ * Normalizes options.
+ * @param {Object|undefined} options A options object to normalize.
+ * @returns {Object} Normalized option object.
+ */
+function normalizeOptions(options = {}) {
+    const hasGroups = options.groups && options.groups.length > 0;
+    const groups = hasGroups ? options.groups : DEFAULT_GROUPS;
+    const allowSamePrecedence = options.allowSamePrecedence !== false;
+
+    return {
+        groups,
+        allowSamePrecedence
+    };
+}
+
+/**
+ * Checks whether any group which includes both given operator exists or not.
+ * @param {Array.<string[]>} groups A list of groups to check.
+ * @param {string} left An operator.
+ * @param {string} right Another operator.
+ * @returns {boolean} `true` if such group existed.
+ */
+function includesBothInAGroup(groups, left, right) {
+    return groups.some(group => group.indexOf(left) !== -1 && group.indexOf(right) !== -1);
+}
+
+/**
+ * Checks whether the given node is a conditional expression and returns the test node else the left node.
+ * @param {ASTNode} node A node which can be a BinaryExpression or a LogicalExpression node.
+ * This parent node can be BinaryExpression, LogicalExpression
+ *      , or a ConditionalExpression node
+ * @returns {ASTNode} node the appropriate node(left or test).
+ */
+function getChildNode(node) {
+    return node.type === "ConditionalExpression" ? node.test : node.left;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow mixed binary operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-mixed-operators"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    groups: {
+                        type: "array",
+                        items: {
+                            type: "array",
+                            items: { enum: ALL_OPERATORS },
+                            minItems: 2,
+                            uniqueItems: true
+                        },
+                        uniqueItems: true
+                    },
+                    allowSamePrecedence: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedMixedOperator: "Unexpected mix of '{{leftOperator}}' and '{{rightOperator}}'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = normalizeOptions(context.options[0]);
+
+        /**
+         * Checks whether a given node should be ignored by options or not.
+         * @param {ASTNode} node A node to check. This is a BinaryExpression
+         *      node or a LogicalExpression node. This parent node is one of
+         *      them, too.
+         * @returns {boolean} `true` if the node should be ignored.
+         */
+        function shouldIgnore(node) {
+            const a = node;
+            const b = node.parent;
+
+            return (
+                !includesBothInAGroup(options.groups, a.operator, b.type === "ConditionalExpression" ? "?:" : b.operator) ||
+                (
+                    options.allowSamePrecedence &&
+                    astUtils.getPrecedence(a) === astUtils.getPrecedence(b)
+                )
+            );
+        }
+
+        /**
+         * Checks whether the operator of a given node is mixed with parent
+         * node's operator or not.
+         * @param {ASTNode} node A node to check. This is a BinaryExpression
+         *      node or a LogicalExpression node. This parent node is one of
+         *      them, too.
+         * @returns {boolean} `true` if the node was mixed.
+         */
+        function isMixedWithParent(node) {
+
+            return (
+                node.operator !== node.parent.operator &&
+                !astUtils.isParenthesised(sourceCode, node)
+            );
+        }
+
+        /**
+         * Checks whether the operator of a given node is mixed with a
+         * conditional expression.
+         * @param {ASTNode} node A node to check. This is a conditional
+         *      expression node
+         * @returns {boolean} `true` if the node was mixed.
+         */
+        function isMixedWithConditionalParent(node) {
+            return !astUtils.isParenthesised(sourceCode, node) && !astUtils.isParenthesised(sourceCode, node.test);
+        }
+
+        /**
+         * Gets the operator token of a given node.
+         * @param {ASTNode} node A node to check. This is a BinaryExpression
+         *      node or a LogicalExpression node.
+         * @returns {Token} The operator token of the node.
+         */
+        function getOperatorToken(node) {
+            return sourceCode.getTokenAfter(getChildNode(node), astUtils.isNotClosingParenToken);
+        }
+
+        /**
+         * Reports both the operator of a given node and the operator of the
+         * parent node.
+         * @param {ASTNode} node A node to check. This is a BinaryExpression
+         *      node or a LogicalExpression node. This parent node is one of
+         *      them, too.
+         * @returns {void}
+         */
+        function reportBothOperators(node) {
+            const parent = node.parent;
+            const left = (getChildNode(parent) === node) ? node : parent;
+            const right = (getChildNode(parent) !== node) ? node : parent;
+            const data = {
+                leftOperator: left.operator || "?:",
+                rightOperator: right.operator || "?:"
+            };
+
+            context.report({
+                node: left,
+                loc: getOperatorToken(left).loc,
+                messageId: "unexpectedMixedOperator",
+                data
+            });
+            context.report({
+                node: right,
+                loc: getOperatorToken(right).loc,
+                messageId: "unexpectedMixedOperator",
+                data
+            });
+        }
+
+        /**
+         * Checks between the operator of this node and the operator of the
+         * parent node.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function check(node) {
+            if (TARGET_NODE_TYPE.test(node.parent.type)) {
+                if (node.parent.type === "ConditionalExpression" && !shouldIgnore(node) && isMixedWithConditionalParent(node.parent)) {
+                    reportBothOperators(node);
+                } else {
+                    if (TARGET_NODE_TYPE.test(node.parent.type) &&
+                        isMixedWithParent(node) &&
+                        !shouldIgnore(node)
+                    ) {
+                        reportBothOperators(node);
+                    }
+                }
+            }
+
+        }
+
+        return {
+            BinaryExpression: check,
+            LogicalExpression: check
+
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-mixed-requires.js b/eslint/lib/rules/no-mixed-requires.js
new file mode 100644
index 0000000..8e988e3
--- /dev/null
+++ b/eslint/lib/rules/no-mixed-requires.js
@@ -0,0 +1,233 @@
+/**
+ * @fileoverview Rule to enforce grouped require statements for Node.JS
+ * @author Raphael Pigulla
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `require` calls to be mixed with regular variable declarations",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-mixed-requires"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "boolean"
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            grouping: {
+                                type: "boolean"
+                            },
+                            allowCall: {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            noMixRequire: "Do not mix 'require' and other declarations.",
+            noMixCoreModuleFileComputed: "Do not mix core, module, file and computed requires."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0];
+        let grouping = false,
+            allowCall = false;
+
+        if (typeof options === "object") {
+            grouping = options.grouping;
+            allowCall = options.allowCall;
+        } else {
+            grouping = !!options;
+        }
+
+        /**
+         * Returns the list of built-in modules.
+         * @returns {string[]} An array of built-in Node.js modules.
+         */
+        function getBuiltinModules() {
+
+            /*
+             * This list is generated using:
+             * `require("repl")._builtinLibs.concat('repl').sort()`
+             * This particular list is as per nodejs v0.12.2 and iojs v0.7.1
+             */
+            return [
+                "assert", "buffer", "child_process", "cluster", "crypto",
+                "dgram", "dns", "domain", "events", "fs", "http", "https",
+                "net", "os", "path", "punycode", "querystring", "readline",
+                "repl", "smalloc", "stream", "string_decoder", "tls", "tty",
+                "url", "util", "v8", "vm", "zlib"
+            ];
+        }
+
+        const BUILTIN_MODULES = getBuiltinModules();
+
+        const DECL_REQUIRE = "require",
+            DECL_UNINITIALIZED = "uninitialized",
+            DECL_OTHER = "other";
+
+        const REQ_CORE = "core",
+            REQ_FILE = "file",
+            REQ_MODULE = "module",
+            REQ_COMPUTED = "computed";
+
+        /**
+         * Determines the type of a declaration statement.
+         * @param {ASTNode} initExpression The init node of the VariableDeclarator.
+         * @returns {string} The type of declaration represented by the expression.
+         */
+        function getDeclarationType(initExpression) {
+            if (!initExpression) {
+
+                // "var x;"
+                return DECL_UNINITIALIZED;
+            }
+
+            if (initExpression.type === "CallExpression" &&
+                initExpression.callee.type === "Identifier" &&
+                initExpression.callee.name === "require"
+            ) {
+
+                // "var x = require('util');"
+                return DECL_REQUIRE;
+            }
+            if (allowCall &&
+                initExpression.type === "CallExpression" &&
+                initExpression.callee.type === "CallExpression"
+            ) {
+
+                // "var x = require('diagnose')('sub-module');"
+                return getDeclarationType(initExpression.callee);
+            }
+            if (initExpression.type === "MemberExpression") {
+
+                // "var x = require('glob').Glob;"
+                return getDeclarationType(initExpression.object);
+            }
+
+            // "var x = 42;"
+            return DECL_OTHER;
+        }
+
+        /**
+         * Determines the type of module that is loaded via require.
+         * @param {ASTNode} initExpression The init node of the VariableDeclarator.
+         * @returns {string} The module type.
+         */
+        function inferModuleType(initExpression) {
+            if (initExpression.type === "MemberExpression") {
+
+                // "var x = require('glob').Glob;"
+                return inferModuleType(initExpression.object);
+            }
+            if (initExpression.arguments.length === 0) {
+
+                // "var x = require();"
+                return REQ_COMPUTED;
+            }
+
+            const arg = initExpression.arguments[0];
+
+            if (arg.type !== "Literal" || typeof arg.value !== "string") {
+
+                // "var x = require(42);"
+                return REQ_COMPUTED;
+            }
+
+            if (BUILTIN_MODULES.indexOf(arg.value) !== -1) {
+
+                // "var fs = require('fs');"
+                return REQ_CORE;
+            }
+            if (/^\.{0,2}\//u.test(arg.value)) {
+
+                // "var utils = require('./utils');"
+                return REQ_FILE;
+            }
+
+            // "var async = require('async');"
+            return REQ_MODULE;
+
+        }
+
+        /**
+         * Check if the list of variable declarations is mixed, i.e. whether it
+         * contains both require and other declarations.
+         * @param {ASTNode} declarations The list of VariableDeclarators.
+         * @returns {boolean} True if the declarations are mixed, false if not.
+         */
+        function isMixed(declarations) {
+            const contains = {};
+
+            declarations.forEach(declaration => {
+                const type = getDeclarationType(declaration.init);
+
+                contains[type] = true;
+            });
+
+            return !!(
+                contains[DECL_REQUIRE] &&
+                (contains[DECL_UNINITIALIZED] || contains[DECL_OTHER])
+            );
+        }
+
+        /**
+         * Check if all require declarations in the given list are of the same
+         * type.
+         * @param {ASTNode} declarations The list of VariableDeclarators.
+         * @returns {boolean} True if the declarations are grouped, false if not.
+         */
+        function isGrouped(declarations) {
+            const found = {};
+
+            declarations.forEach(declaration => {
+                if (getDeclarationType(declaration.init) === DECL_REQUIRE) {
+                    found[inferModuleType(declaration.init)] = true;
+                }
+            });
+
+            return Object.keys(found).length <= 1;
+        }
+
+
+        return {
+
+            VariableDeclaration(node) {
+
+                if (isMixed(node.declarations)) {
+                    context.report({
+                        node,
+                        messageId: "noMixRequire"
+                    });
+                } else if (grouping && !isGrouped(node.declarations)) {
+                    context.report({
+                        node,
+                        messageId: "noMixCoreModuleFileComputed"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-mixed-spaces-and-tabs.js b/eslint/lib/rules/no-mixed-spaces-and-tabs.js
new file mode 100644
index 0000000..16c2bd4
--- /dev/null
+++ b/eslint/lib/rules/no-mixed-spaces-and-tabs.js
@@ -0,0 +1,105 @@
+/**
+ * @fileoverview Disallow mixed spaces and tabs for indentation
+ * @author Jary Niebur
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow mixed spaces and tabs for indentation",
+            category: "Stylistic Issues",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-mixed-spaces-and-tabs"
+        },
+
+        schema: [
+            {
+                enum: ["smart-tabs", true, false]
+            }
+        ],
+
+        messages: {
+            mixedSpacesAndTabs: "Mixed spaces and tabs."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        let smartTabs;
+
+        switch (context.options[0]) {
+            case true: // Support old syntax, maybe add deprecation warning here
+            case "smart-tabs":
+                smartTabs = true;
+                break;
+            default:
+                smartTabs = false;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            "Program:exit"(node) {
+                const lines = sourceCode.lines,
+                    comments = sourceCode.getAllComments(),
+                    ignoredCommentLines = new Set();
+
+                // Add all lines except the first ones.
+                comments.forEach(comment => {
+                    for (let i = comment.loc.start.line + 1; i <= comment.loc.end.line; i++) {
+                        ignoredCommentLines.add(i);
+                    }
+                });
+
+                /*
+                 * At least one space followed by a tab
+                 * or the reverse before non-tab/-space
+                 * characters begin.
+                 */
+                let regex = /^(?=[\t ]*(\t | \t))/u;
+
+                if (smartTabs) {
+
+                    /*
+                     * At least one space followed by a tab
+                     * before non-tab/-space characters begin.
+                     */
+                    regex = /^(?=[\t ]* \t)/u;
+                }
+
+                lines.forEach((line, i) => {
+                    const match = regex.exec(line);
+
+                    if (match) {
+                        const lineNumber = i + 1,
+                            column = match.index + 1,
+                            loc = { line: lineNumber, column };
+
+                        if (!ignoredCommentLines.has(lineNumber)) {
+                            const containingNode = sourceCode.getNodeByRangeIndex(sourceCode.getIndexFromLoc(loc));
+
+                            if (!(containingNode && ["Literal", "TemplateElement"].includes(containingNode.type))) {
+                                context.report({
+                                    node,
+                                    loc,
+                                    messageId: "mixedSpacesAndTabs"
+                                });
+                            }
+                        }
+                    }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-multi-assign.js b/eslint/lib/rules/no-multi-assign.js
new file mode 100644
index 0000000..ab6430c
--- /dev/null
+++ b/eslint/lib/rules/no-multi-assign.js
@@ -0,0 +1,49 @@
+/**
+ * @fileoverview Rule to check use of chained assignment expressions
+ * @author Stewart Rand
+ */
+
+"use strict";
+
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow use of chained assignment expressions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-multi-assign"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedChain: "Unexpected chained assignment."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            AssignmentExpression(node) {
+                if (["AssignmentExpression", "VariableDeclarator"].indexOf(node.parent.type) !== -1) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedChain"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-multi-spaces.js b/eslint/lib/rules/no-multi-spaces.js
new file mode 100644
index 0000000..d43ed73
--- /dev/null
+++ b/eslint/lib/rules/no-multi-spaces.js
@@ -0,0 +1,138 @@
+/**
+ * @fileoverview Disallow use of multiple spaces.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow multiple spaces",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-multi-spaces"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "object",
+                        patternProperties: {
+                            "^([A-Z][a-z]*)+$": {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    ignoreEOLComments: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            multipleSpaces: "Multiple spaces found before '{{displayValue}}'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = context.options[0] || {};
+        const ignoreEOLComments = options.ignoreEOLComments;
+        const exceptions = Object.assign({ Property: true }, options.exceptions);
+        const hasExceptions = Object.keys(exceptions).filter(key => exceptions[key]).length > 0;
+
+        /**
+         * Formats value of given comment token for error message by truncating its length.
+         * @param {Token} token comment token
+         * @returns {string} formatted value
+         * @private
+         */
+        function formatReportedCommentValue(token) {
+            const valueLines = token.value.split("\n");
+            const value = valueLines[0];
+            const formattedValue = `${value.slice(0, 12)}...`;
+
+            return valueLines.length === 1 && value.length <= 12 ? value : formattedValue;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program() {
+                sourceCode.tokensAndComments.forEach((leftToken, leftIndex, tokensAndComments) => {
+                    if (leftIndex === tokensAndComments.length - 1) {
+                        return;
+                    }
+                    const rightToken = tokensAndComments[leftIndex + 1];
+
+                    // Ignore tokens that don't have 2 spaces between them or are on different lines
+                    if (
+                        !sourceCode.text.slice(leftToken.range[1], rightToken.range[0]).includes("  ") ||
+                        leftToken.loc.end.line < rightToken.loc.start.line
+                    ) {
+                        return;
+                    }
+
+                    // Ignore comments that are the last token on their line if `ignoreEOLComments` is active.
+                    if (
+                        ignoreEOLComments &&
+                        astUtils.isCommentToken(rightToken) &&
+                        (
+                            leftIndex === tokensAndComments.length - 2 ||
+                            rightToken.loc.end.line < tokensAndComments[leftIndex + 2].loc.start.line
+                        )
+                    ) {
+                        return;
+                    }
+
+                    // Ignore tokens that are in a node in the "exceptions" object
+                    if (hasExceptions) {
+                        const parentNode = sourceCode.getNodeByRangeIndex(rightToken.range[0] - 1);
+
+                        if (parentNode && exceptions[parentNode.type]) {
+                            return;
+                        }
+                    }
+
+                    let displayValue;
+
+                    if (rightToken.type === "Block") {
+                        displayValue = `/*${formatReportedCommentValue(rightToken)}*/`;
+                    } else if (rightToken.type === "Line") {
+                        displayValue = `//${formatReportedCommentValue(rightToken)}`;
+                    } else {
+                        displayValue = rightToken.value;
+                    }
+
+                    context.report({
+                        node: rightToken,
+                        loc: { start: leftToken.loc.end, end: rightToken.loc.start },
+                        messageId: "multipleSpaces",
+                        data: { displayValue },
+                        fix: fixer => fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], " ")
+                    });
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-multi-str.js b/eslint/lib/rules/no-multi-str.js
new file mode 100644
index 0000000..7cf1ae3
--- /dev/null
+++ b/eslint/lib/rules/no-multi-str.js
@@ -0,0 +1,65 @@
+/**
+ * @fileoverview Rule to flag when using multiline strings
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow multiline strings",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-multi-str"
+        },
+
+        schema: [],
+
+        messages: {
+            multilineString: "Multiline support is limited to browsers supporting ES5 only."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Determines if a given node is part of JSX syntax.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node is a JSX node, false if not.
+         * @private
+         */
+        function isJSXElement(node) {
+            return node.type.indexOf("JSX") === 0;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            Literal(node) {
+                if (astUtils.LINEBREAK_MATCHER.test(node.raw) && !isJSXElement(node.parent)) {
+                    context.report({
+                        node,
+                        messageId: "multilineString"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-multiple-empty-lines.js b/eslint/lib/rules/no-multiple-empty-lines.js
new file mode 100644
index 0000000..9cccef3
--- /dev/null
+++ b/eslint/lib/rules/no-multiple-empty-lines.js
@@ -0,0 +1,151 @@
+/**
+ * @fileoverview Disallows multiple blank lines.
+ * implementation adapted from the no-trailing-spaces rule.
+ * @author Greg Cochard
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow multiple empty lines",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-multiple-empty-lines"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    max: {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    maxEOF: {
+                        type: "integer",
+                        minimum: 0
+                    },
+                    maxBOF: {
+                        type: "integer",
+                        minimum: 0
+                    }
+                },
+                required: ["max"],
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            blankBeginningOfFile: "Too many blank lines at the beginning of file. Max of {{max}} allowed.",
+            blankEndOfFile: "Too many blank lines at the end of file. Max of {{max}} allowed.",
+            consecutiveBlank: "More than {{max}} blank {{pluralizedLines}} not allowed."
+        }
+    },
+
+    create(context) {
+
+        // Use options.max or 2 as default
+        let max = 2,
+            maxEOF = max,
+            maxBOF = max;
+
+        if (context.options.length) {
+            max = context.options[0].max;
+            maxEOF = typeof context.options[0].maxEOF !== "undefined" ? context.options[0].maxEOF : max;
+            maxBOF = typeof context.options[0].maxBOF !== "undefined" ? context.options[0].maxBOF : max;
+        }
+
+        const sourceCode = context.getSourceCode();
+
+        // Swallow the final newline, as some editors add it automatically and we don't want it to cause an issue
+        const allLines = sourceCode.lines[sourceCode.lines.length - 1] === "" ? sourceCode.lines.slice(0, -1) : sourceCode.lines;
+        const templateLiteralLines = new Set();
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            TemplateLiteral(node) {
+                node.quasis.forEach(literalPart => {
+
+                    // Empty lines have a semantic meaning if they're inside template literals. Don't count these as empty lines.
+                    for (let ignoredLine = literalPart.loc.start.line; ignoredLine < literalPart.loc.end.line; ignoredLine++) {
+                        templateLiteralLines.add(ignoredLine);
+                    }
+                });
+            },
+            "Program:exit"(node) {
+                return allLines
+
+                    // Given a list of lines, first get a list of line numbers that are non-empty.
+                    .reduce((nonEmptyLineNumbers, line, index) => {
+                        if (line.trim() || templateLiteralLines.has(index + 1)) {
+                            nonEmptyLineNumbers.push(index + 1);
+                        }
+                        return nonEmptyLineNumbers;
+                    }, [])
+
+                    // Add a value at the end to allow trailing empty lines to be checked.
+                    .concat(allLines.length + 1)
+
+                    // Given two line numbers of non-empty lines, report the lines between if the difference is too large.
+                    .reduce((lastLineNumber, lineNumber) => {
+                        let messageId, maxAllowed;
+
+                        if (lastLineNumber === 0) {
+                            messageId = "blankBeginningOfFile";
+                            maxAllowed = maxBOF;
+                        } else if (lineNumber === allLines.length + 1) {
+                            messageId = "blankEndOfFile";
+                            maxAllowed = maxEOF;
+                        } else {
+                            messageId = "consecutiveBlank";
+                            maxAllowed = max;
+                        }
+
+                        if (lineNumber - lastLineNumber - 1 > maxAllowed) {
+                            context.report({
+                                node,
+                                loc: {
+                                    start: { line: lastLineNumber + maxAllowed + 1, column: 0 },
+                                    end: { line: lineNumber, column: 0 }
+                                },
+                                messageId,
+                                data: {
+                                    max: maxAllowed,
+                                    pluralizedLines: maxAllowed === 1 ? "line" : "lines"
+                                },
+                                fix(fixer) {
+                                    const rangeStart = sourceCode.getIndexFromLoc({ line: lastLineNumber + 1, column: 0 });
+
+                                    /*
+                                     * The end of the removal range is usually the start index of the next line.
+                                     * However, at the end of the file there is no next line, so the end of the
+                                     * range is just the length of the text.
+                                     */
+                                    const lineNumberAfterRemovedLines = lineNumber - maxAllowed;
+                                    const rangeEnd = lineNumberAfterRemovedLines <= allLines.length
+                                        ? sourceCode.getIndexFromLoc({ line: lineNumberAfterRemovedLines, column: 0 })
+                                        : sourceCode.text.length;
+
+                                    return fixer.removeRange([rangeStart, rangeEnd]);
+                                }
+                            });
+                        }
+
+                        return lineNumber;
+                    }, 0);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-native-reassign.js b/eslint/lib/rules/no-native-reassign.js
new file mode 100644
index 0000000..833e3b7
--- /dev/null
+++ b/eslint/lib/rules/no-native-reassign.js
@@ -0,0 +1,97 @@
+/**
+ * @fileoverview Rule to disallow assignments to native objects or read-only global variables
+ * @author Ilya Volodin
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow assignments to native objects or read-only global variables",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-native-reassign"
+        },
+
+        deprecated: true,
+
+        replacedBy: ["no-global-assign"],
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: { type: "string" },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            nativeReassign: "Read-only global '{{name}}' should not be modified."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0];
+        const exceptions = (config && config.exceptions) || [];
+
+        /**
+         * Reports write references.
+         * @param {Reference} reference A reference to check.
+         * @param {int} index The index of the reference in the references.
+         * @param {Reference[]} references The array that the reference belongs to.
+         * @returns {void}
+         */
+        function checkReference(reference, index, references) {
+            const identifier = reference.identifier;
+
+            if (reference.init === false &&
+                reference.isWrite() &&
+
+                /*
+                 * Destructuring assignments can have multiple default value,
+                 * so possibly there are multiple writeable references for the same identifier.
+                 */
+                (index === 0 || references[index - 1].identifier !== identifier)
+            ) {
+                context.report({
+                    node: identifier,
+                    messageId: "nativeReassign",
+                    data: identifier
+                });
+            }
+        }
+
+        /**
+         * Reports write references if a given variable is read-only builtin.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            if (variable.writeable === false && exceptions.indexOf(variable.name) === -1) {
+                variable.references.forEach(checkReference);
+            }
+        }
+
+        return {
+            Program() {
+                const globalScope = context.getScope();
+
+                globalScope.variables.forEach(checkVariable);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-negated-condition.js b/eslint/lib/rules/no-negated-condition.js
new file mode 100644
index 0000000..8a9eba8
--- /dev/null
+++ b/eslint/lib/rules/no-negated-condition.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview Rule to disallow a negated condition
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow negated conditions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-negated-condition"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedNegated: "Unexpected negated condition."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Determines if a given node is an if-else without a condition on the else
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node has an else without an if.
+         * @private
+         */
+        function hasElseWithoutCondition(node) {
+            return node.alternate && node.alternate.type !== "IfStatement";
+        }
+
+        /**
+         * Determines if a given node is a negated unary expression
+         * @param {Object} test The test object to check.
+         * @returns {boolean} True if the node is a negated unary expression.
+         * @private
+         */
+        function isNegatedUnaryExpression(test) {
+            return test.type === "UnaryExpression" && test.operator === "!";
+        }
+
+        /**
+         * Determines if a given node is a negated binary expression
+         * @param {Test} test The test to check.
+         * @returns {boolean} True if the node is a negated binary expression.
+         * @private
+         */
+        function isNegatedBinaryExpression(test) {
+            return test.type === "BinaryExpression" &&
+                (test.operator === "!=" || test.operator === "!==");
+        }
+
+        /**
+         * Determines if a given node has a negated if expression
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node has a negated if expression.
+         * @private
+         */
+        function isNegatedIf(node) {
+            return isNegatedUnaryExpression(node.test) || isNegatedBinaryExpression(node.test);
+        }
+
+        return {
+            IfStatement(node) {
+                if (!hasElseWithoutCondition(node)) {
+                    return;
+                }
+
+                if (isNegatedIf(node)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedNegated"
+                    });
+                }
+            },
+            ConditionalExpression(node) {
+                if (isNegatedIf(node)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedNegated"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-negated-in-lhs.js b/eslint/lib/rules/no-negated-in-lhs.js
new file mode 100644
index 0000000..1229ced
--- /dev/null
+++ b/eslint/lib/rules/no-negated-in-lhs.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview A rule to disallow negated left operands of the `in` operator
+ * @author Michael Ficarra
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow negating the left operand in `in` expressions",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-negated-in-lhs"
+        },
+
+        replacedBy: ["no-unsafe-negation"],
+
+        deprecated: true,
+        schema: [],
+
+        messages: {
+            negatedLHS: "The 'in' expression's left operand is negated."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            BinaryExpression(node) {
+                if (node.operator === "in" && node.left.type === "UnaryExpression" && node.left.operator === "!") {
+                    context.report({ node, messageId: "negatedLHS" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-nested-ternary.js b/eslint/lib/rules/no-nested-ternary.js
new file mode 100644
index 0000000..383bb23
--- /dev/null
+++ b/eslint/lib/rules/no-nested-ternary.js
@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Rule to flag nested ternary expressions
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow nested ternary expressions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-nested-ternary"
+        },
+
+        schema: [],
+
+        messages: {
+            noNestedTernary: "Do not nest ternary expressions."
+        }
+    },
+
+    create(context) {
+
+        return {
+            ConditionalExpression(node) {
+                if (node.alternate.type === "ConditionalExpression" ||
+                        node.consequent.type === "ConditionalExpression") {
+                    context.report({
+                        node,
+                        messageId: "noNestedTernary"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-new-func.js b/eslint/lib/rules/no-new-func.js
new file mode 100644
index 0000000..d1360e9
--- /dev/null
+++ b/eslint/lib/rules/no-new-func.js
@@ -0,0 +1,55 @@
+/**
+ * @fileoverview Rule to flag when using new Function
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `new` operators with the `Function` object",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-new-func"
+        },
+
+        schema: [],
+
+        messages: {
+            noFunctionConstructor: "The Function constructor is eval."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports a node.
+         * @param {ASTNode} node The node to report
+         * @returns {void}
+         * @private
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "noFunctionConstructor"
+            });
+        }
+
+        return {
+            "NewExpression[callee.name = 'Function']": report,
+            "CallExpression[callee.name = 'Function']": report
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-new-object.js b/eslint/lib/rules/no-new-object.js
new file mode 100644
index 0000000..f3e99c9
--- /dev/null
+++ b/eslint/lib/rules/no-new-object.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview A rule to disallow calls to the Object constructor
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `Object` constructors",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-new-object"
+        },
+
+        schema: [],
+
+        messages: {
+            preferLiteral: "The object literal notation {} is preferrable."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            NewExpression(node) {
+                if (node.callee.name === "Object") {
+                    context.report({
+                        node,
+                        messageId: "preferLiteral"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-new-require.js b/eslint/lib/rules/no-new-require.js
new file mode 100644
index 0000000..df12a42
--- /dev/null
+++ b/eslint/lib/rules/no-new-require.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Rule to disallow use of new operator with the `require` function
+ * @author Wil Moore III
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `new` operators with calls to `require`",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-new-require"
+        },
+
+        schema: [],
+
+        messages: {
+            noNewRequire: "Unexpected use of new with require."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            NewExpression(node) {
+                if (node.callee.type === "Identifier" && node.callee.name === "require") {
+                    context.report({
+                        node,
+                        messageId: "noNewRequire"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-new-symbol.js b/eslint/lib/rules/no-new-symbol.js
new file mode 100644
index 0000000..cb7e4f0
--- /dev/null
+++ b/eslint/lib/rules/no-new-symbol.js
@@ -0,0 +1,53 @@
+/**
+ * @fileoverview Rule to disallow use of the new operator with the `Symbol` object
+ * @author Alberto Rodríguez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow `new` operators with the `Symbol` object",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-new-symbol"
+        },
+
+        schema: [],
+
+        messages: {
+            noNewSymbol: "`Symbol` cannot be called as a constructor."
+        }
+    },
+
+    create(context) {
+
+        return {
+            "Program:exit"() {
+                const globalScope = context.getScope();
+                const variable = globalScope.set.get("Symbol");
+
+                if (variable && variable.defs.length === 0) {
+                    variable.references.forEach(ref => {
+                        const node = ref.identifier;
+
+                        if (node.parent && node.parent.type === "NewExpression") {
+                            context.report({
+                                node,
+                                messageId: "noNewSymbol"
+                            });
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-new-wrappers.js b/eslint/lib/rules/no-new-wrappers.js
new file mode 100644
index 0000000..d276c48
--- /dev/null
+++ b/eslint/lib/rules/no-new-wrappers.js
@@ -0,0 +1,48 @@
+/**
+ * @fileoverview Rule to flag when using constructor for wrapper objects
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `new` operators with the `String`, `Number`, and `Boolean` objects",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-new-wrappers"
+        },
+
+        schema: [],
+
+        messages: {
+            noConstructor: "Do not use {{fn}} as a constructor."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            NewExpression(node) {
+                const wrapperObjects = ["String", "Number", "Boolean"];
+
+                if (wrapperObjects.indexOf(node.callee.name) > -1) {
+                    context.report({
+                        node,
+                        messageId: "noConstructor",
+                        data: { fn: node.callee.name }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-new.js b/eslint/lib/rules/no-new.js
new file mode 100644
index 0000000..aa8a4e2
--- /dev/null
+++ b/eslint/lib/rules/no-new.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Rule to flag statements with function invocation preceded by
+ * "new" and not part of assignment
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `new` operators outside of assignments or comparisons",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-new"
+        },
+
+        schema: [],
+
+        messages: {
+            noNewStatement: "Do not use 'new' for side effects."
+        }
+    },
+
+    create(context) {
+
+        return {
+            "ExpressionStatement > NewExpression"(node) {
+                context.report({
+                    node: node.parent,
+                    messageId: "noNewStatement"
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-obj-calls.js b/eslint/lib/rules/no-obj-calls.js
new file mode 100644
index 0000000..6139ba2
--- /dev/null
+++ b/eslint/lib/rules/no-obj-calls.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview Rule to flag use of an object property of the global object (Math and JSON) as a function
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { CALL, CONSTRUCT, ReferenceTracker } = require("eslint-utils");
+const getPropertyName = require("./utils/ast-utils").getStaticPropertyName;
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const nonCallableGlobals = ["Atomics", "JSON", "Math", "Reflect"];
+
+/**
+ * Returns the name of the node to report
+ * @param {ASTNode} node A node to report
+ * @returns {string} name to report
+ */
+function getReportNodeName(node) {
+    if (node.callee.type === "MemberExpression") {
+        return getPropertyName(node.callee);
+    }
+    return node.callee.name;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow calling global object properties as functions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-obj-calls"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedCall: "'{{name}}' is not a function.",
+            unexpectedRefCall: "'{{name}}' is reference to '{{ref}}', which is not a function."
+        }
+    },
+
+    create(context) {
+
+        return {
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const traceMap = {};
+
+                for (const g of nonCallableGlobals) {
+                    traceMap[g] = {
+                        [CALL]: true,
+                        [CONSTRUCT]: true
+                    };
+                }
+
+                for (const { node, path } of tracker.iterateGlobalReferences(traceMap)) {
+                    const name = getReportNodeName(node);
+                    const ref = path[0];
+                    const messageId = name === ref ? "unexpectedCall" : "unexpectedRefCall";
+
+                    context.report({ node, messageId, data: { name, ref } });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-octal-escape.js b/eslint/lib/rules/no-octal-escape.js
new file mode 100644
index 0000000..5b4c7b2
--- /dev/null
+++ b/eslint/lib/rules/no-octal-escape.js
@@ -0,0 +1,56 @@
+/**
+ * @fileoverview Rule to flag octal escape sequences in string literals.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow octal escape sequences in string literals",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-octal-escape"
+        },
+
+        schema: [],
+
+        messages: {
+            octalEscapeSequence: "Don't use octal: '\\{{sequence}}'. Use '\\u....' instead."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            Literal(node) {
+                if (typeof node.value !== "string") {
+                    return;
+                }
+
+                // \0 represents a valid NULL character if it isn't followed by a digit.
+                const match = node.raw.match(
+                    /^(?:[^\\]|\\.)*?\\([0-3][0-7]{1,2}|[4-7][0-7]|0(?=[89])|[1-7])/su
+                );
+
+                if (match) {
+                    context.report({
+                        node,
+                        messageId: "octalEscapeSequence",
+                        data: { sequence: match[1] }
+                    });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-octal.js b/eslint/lib/rules/no-octal.js
new file mode 100644
index 0000000..e9940be
--- /dev/null
+++ b/eslint/lib/rules/no-octal.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Rule to flag when initializing octal literal
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow octal literals",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-octal"
+        },
+
+        schema: [],
+
+        messages: {
+            noOcatal: "Octal literals should not be used."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            Literal(node) {
+                if (typeof node.value === "number" && /^0[0-9]/u.test(node.raw)) {
+                    context.report({
+                        node,
+                        messageId: "noOcatal"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-param-reassign.js b/eslint/lib/rules/no-param-reassign.js
new file mode 100644
index 0000000..6874af4
--- /dev/null
+++ b/eslint/lib/rules/no-param-reassign.js
@@ -0,0 +1,229 @@
+/**
+ * @fileoverview Disallow reassignment of function parameters.
+ * @author Nat Burns
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const stopNodePattern = /(?:Statement|Declaration|Function(?:Expression)?|Program)$/u;
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow reassigning `function` parameters",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-param-reassign"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        type: "object",
+                        properties: {
+                            props: {
+                                enum: [false]
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            props: {
+                                enum: [true]
+                            },
+                            ignorePropertyModificationsFor: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                },
+                                uniqueItems: true
+                            },
+                            ignorePropertyModificationsForRegex: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                },
+                                uniqueItems: true
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            assignmentToFunctionParam: "Assignment to function parameter '{{name}}'.",
+            assignmentToFunctionParamProp: "Assignment to property of function parameter '{{name}}'."
+        }
+    },
+
+    create(context) {
+        const props = context.options[0] && context.options[0].props;
+        const ignoredPropertyAssignmentsFor = context.options[0] && context.options[0].ignorePropertyModificationsFor || [];
+        const ignoredPropertyAssignmentsForRegex = context.options[0] && context.options[0].ignorePropertyModificationsForRegex || [];
+
+        /**
+         * Checks whether or not the reference modifies properties of its variable.
+         * @param {Reference} reference A reference to check.
+         * @returns {boolean} Whether or not the reference modifies properties of its variable.
+         */
+        function isModifyingProp(reference) {
+            let node = reference.identifier;
+            let parent = node.parent;
+
+            while (parent && (!stopNodePattern.test(parent.type) ||
+                    parent.type === "ForInStatement" || parent.type === "ForOfStatement")) {
+                switch (parent.type) {
+
+                    // e.g. foo.a = 0;
+                    case "AssignmentExpression":
+                        return parent.left === node;
+
+                    // e.g. ++foo.a;
+                    case "UpdateExpression":
+                        return true;
+
+                    // e.g. delete foo.a;
+                    case "UnaryExpression":
+                        if (parent.operator === "delete") {
+                            return true;
+                        }
+                        break;
+
+                    // e.g. for (foo.a in b) {}
+                    case "ForInStatement":
+                    case "ForOfStatement":
+                        if (parent.left === node) {
+                            return true;
+                        }
+
+                        // this is a stop node for parent.right and parent.body
+                        return false;
+
+                    // EXCLUDES: e.g. cache.get(foo.a).b = 0;
+                    case "CallExpression":
+                        if (parent.callee !== node) {
+                            return false;
+                        }
+                        break;
+
+                    // EXCLUDES: e.g. cache[foo.a] = 0;
+                    case "MemberExpression":
+                        if (parent.property === node) {
+                            return false;
+                        }
+                        break;
+
+                    // EXCLUDES: e.g. ({ [foo]: a }) = bar;
+                    case "Property":
+                        if (parent.key === node) {
+                            return false;
+                        }
+
+                        break;
+
+                    // EXCLUDES: e.g. (foo ? a : b).c = bar;
+                    case "ConditionalExpression":
+                        if (parent.test === node) {
+                            return false;
+                        }
+
+                        break;
+
+                    // no default
+                }
+
+                node = parent;
+                parent = node.parent;
+            }
+
+            return false;
+        }
+
+        /**
+         * Tests that an identifier name matches any of the ignored property assignments.
+         * First we test strings in ignoredPropertyAssignmentsFor.
+         * Then we instantiate and test RegExp objects from ignoredPropertyAssignmentsForRegex strings.
+         * @param {string} identifierName A string that describes the name of an identifier to
+         * ignore property assignments for.
+         * @returns {boolean} Whether the string matches an ignored property assignment regular expression or not.
+         */
+        function isIgnoredPropertyAssignment(identifierName) {
+            return ignoredPropertyAssignmentsFor.includes(identifierName) ||
+                ignoredPropertyAssignmentsForRegex.some(ignored => new RegExp(ignored, "u").test(identifierName));
+        }
+
+        /**
+         * Reports a reference if is non initializer and writable.
+         * @param {Reference} reference A reference to check.
+         * @param {int} index The index of the reference in the references.
+         * @param {Reference[]} references The array that the reference belongs to.
+         * @returns {void}
+         */
+        function checkReference(reference, index, references) {
+            const identifier = reference.identifier;
+
+            if (identifier &&
+                !reference.init &&
+
+                /*
+                 * Destructuring assignments can have multiple default value,
+                 * so possibly there are multiple writeable references for the same identifier.
+                 */
+                (index === 0 || references[index - 1].identifier !== identifier)
+            ) {
+                if (reference.isWrite()) {
+                    context.report({
+                        node: identifier,
+                        messageId: "assignmentToFunctionParam",
+                        data: { name: identifier.name }
+                    });
+                } else if (props && isModifyingProp(reference) && !isIgnoredPropertyAssignment(identifier.name)) {
+                    context.report({
+                        node: identifier,
+                        messageId: "assignmentToFunctionParamProp",
+                        data: { name: identifier.name }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Finds and reports references that are non initializer and writable.
+         * @param {Variable} variable A variable to check.
+         * @returns {void}
+         */
+        function checkVariable(variable) {
+            if (variable.defs[0].type === "Parameter") {
+                variable.references.forEach(checkReference);
+            }
+        }
+
+        /**
+         * Checks parameters of a given function node.
+         * @param {ASTNode} node A function node to check.
+         * @returns {void}
+         */
+        function checkForFunction(node) {
+            context.getDeclaredVariables(node).forEach(checkVariable);
+        }
+
+        return {
+
+            // `:exit` is needed for the `node.parent` property of identifier nodes.
+            "FunctionDeclaration:exit": checkForFunction,
+            "FunctionExpression:exit": checkForFunction,
+            "ArrowFunctionExpression:exit": checkForFunction
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-path-concat.js b/eslint/lib/rules/no-path-concat.js
new file mode 100644
index 0000000..9fa8b85
--- /dev/null
+++ b/eslint/lib/rules/no-path-concat.js
@@ -0,0 +1,59 @@
+/**
+ * @fileoverview Disallow string concatenation when using __dirname and __filename
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow string concatenation with `__dirname` and `__filename`",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-path-concat"
+        },
+
+        schema: [],
+
+        messages: {
+            usePathFunctions: "Use path.join() or path.resolve() instead of + to create paths."
+        }
+    },
+
+    create(context) {
+
+        const MATCHER = /^__(?:dir|file)name$/u;
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            BinaryExpression(node) {
+
+                const left = node.left,
+                    right = node.right;
+
+                if (node.operator === "+" &&
+                        ((left.type === "Identifier" && MATCHER.test(left.name)) ||
+                        (right.type === "Identifier" && MATCHER.test(right.name)))
+                ) {
+
+                    context.report({
+                        node,
+                        messageId: "usePathFunctions"
+                    });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-plusplus.js b/eslint/lib/rules/no-plusplus.js
new file mode 100644
index 0000000..84d6c3e
--- /dev/null
+++ b/eslint/lib/rules/no-plusplus.js
@@ -0,0 +1,105 @@
+/**
+ * @fileoverview Rule to flag use of unary increment and decrement operators.
+ * @author Ian Christian Myers
+ * @author Brody McKee (github.com/mrmckeb)
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given node is the update node of a `ForStatement`.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is `ForStatement` update.
+ */
+function isForStatementUpdate(node) {
+    const parent = node.parent;
+
+    return parent.type === "ForStatement" && parent.update === node;
+}
+
+/**
+ * Determines whether the given node is considered to be a for loop "afterthought" by the logic of this rule.
+ * In particular, it returns `true` if the given node is either:
+ *   - The update node of a `ForStatement`: for (;; i++) {}
+ *   - An operand of a sequence expression that is the update node: for (;; foo(), i++) {}
+ *   - An operand of a sequence expression that is child of another sequence expression, etc.,
+ *     up to the sequence expression that is the update node: for (;; foo(), (bar(), (baz(), i++))) {}
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a for loop afterthought.
+ */
+function isForLoopAfterthought(node) {
+    const parent = node.parent;
+
+    if (parent.type === "SequenceExpression") {
+        return isForLoopAfterthought(parent);
+    }
+
+    return isForStatementUpdate(node);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the unary operators `++` and `--`",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-plusplus"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowForLoopAfterthoughts: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedUnaryOp: "Unary operator '{{operator}}' used."
+        }
+    },
+
+    create(context) {
+
+        const config = context.options[0];
+        let allowForLoopAfterthoughts = false;
+
+        if (typeof config === "object") {
+            allowForLoopAfterthoughts = config.allowForLoopAfterthoughts === true;
+        }
+
+        return {
+
+            UpdateExpression(node) {
+                if (allowForLoopAfterthoughts && isForLoopAfterthought(node)) {
+                    return;
+                }
+
+                context.report({
+                    node,
+                    messageId: "unexpectedUnaryOp",
+                    data: {
+                        operator: node.operator
+                    }
+                });
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-process-env.js b/eslint/lib/rules/no-process-env.js
new file mode 100644
index 0000000..0f8d7f8
--- /dev/null
+++ b/eslint/lib/rules/no-process-env.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Disallow the use of process.env()
+ * @author Vignesh Anand
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `process.env`",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-process-env"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedProcessEnv: "Unexpected use of process.env."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            MemberExpression(node) {
+                const objectName = node.object.name,
+                    propertyName = node.property.name;
+
+                if (objectName === "process" && !node.computed && propertyName && propertyName === "env") {
+                    context.report({ node, messageId: "unexpectedProcessEnv" });
+                }
+
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-process-exit.js b/eslint/lib/rules/no-process-exit.js
new file mode 100644
index 0000000..2987166
--- /dev/null
+++ b/eslint/lib/rules/no-process-exit.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Disallow the use of process.exit()
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `process.exit()`",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-process-exit"
+        },
+
+        schema: [],
+
+        messages: {
+            noProcessExit: "Don't use process.exit(); throw an error instead."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            "CallExpression > MemberExpression.callee[object.name = 'process'][property.name = 'exit']"(node) {
+                context.report({ node: node.parent, messageId: "noProcessExit" });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-proto.js b/eslint/lib/rules/no-proto.js
new file mode 100644
index 0000000..82ce02f
--- /dev/null
+++ b/eslint/lib/rules/no-proto.js
@@ -0,0 +1,48 @@
+/**
+ * @fileoverview Rule to flag usage of __proto__ property
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { getStaticPropertyName } = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of the `__proto__` property",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-proto"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedProto: "The '__proto__' property is deprecated."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            MemberExpression(node) {
+                if (getStaticPropertyName(node) === "__proto__") {
+                    context.report({ node, messageId: "unexpectedProto" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-prototype-builtins.js b/eslint/lib/rules/no-prototype-builtins.js
new file mode 100644
index 0000000..a00d370
--- /dev/null
+++ b/eslint/lib/rules/no-prototype-builtins.js
@@ -0,0 +1,61 @@
+/**
+ * @fileoverview Rule to disallow use of Object.prototype builtins on objects
+ * @author Andrew Levine
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow calling some `Object.prototype` methods directly on objects",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-prototype-builtins"
+        },
+
+        schema: [],
+
+        messages: {
+            prototypeBuildIn: "Do not access Object.prototype method '{{prop}}' from target object."
+        }
+    },
+
+    create(context) {
+        const DISALLOWED_PROPS = [
+            "hasOwnProperty",
+            "isPrototypeOf",
+            "propertyIsEnumerable"
+        ];
+
+        /**
+         * Reports if a disallowed property is used in a CallExpression
+         * @param {ASTNode} node The CallExpression node.
+         * @returns {void}
+         */
+        function disallowBuiltIns(node) {
+            if (node.callee.type !== "MemberExpression" || node.callee.computed) {
+                return;
+            }
+            const propName = node.callee.property.name;
+
+            if (DISALLOWED_PROPS.indexOf(propName) > -1) {
+                context.report({
+                    messageId: "prototypeBuildIn",
+                    loc: node.callee.property.loc,
+                    data: { prop: propName },
+                    node
+                });
+            }
+        }
+
+        return {
+            CallExpression: disallowBuiltIns
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-redeclare.js b/eslint/lib/rules/no-redeclare.js
new file mode 100644
index 0000000..6ddb21c
--- /dev/null
+++ b/eslint/lib/rules/no-redeclare.js
@@ -0,0 +1,172 @@
+/**
+ * @fileoverview Rule to flag when the same variable is declared more then once.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow variable redeclaration",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-redeclare"
+        },
+
+        messages: {
+            redeclared: "'{{id}}' is already defined.",
+            redeclaredAsBuiltin: "'{{id}}' is already defined as a built-in global variable.",
+            redeclaredBySyntax: "'{{id}}' is already defined by a variable declaration."
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    builtinGlobals: { type: "boolean", default: true }
+                },
+                additionalProperties: false
+            }
+        ]
+    },
+
+    create(context) {
+        const options = {
+            builtinGlobals: Boolean(
+                context.options.length === 0 ||
+                context.options[0].builtinGlobals
+            )
+        };
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Iterate declarations of a given variable.
+         * @param {escope.variable} variable The variable object to iterate declarations.
+         * @returns {IterableIterator<{type:string,node:ASTNode,loc:SourceLocation}>} The declarations.
+         */
+        function *iterateDeclarations(variable) {
+            if (options.builtinGlobals && (
+                variable.eslintImplicitGlobalSetting === "readonly" ||
+                variable.eslintImplicitGlobalSetting === "writable"
+            )) {
+                yield { type: "builtin" };
+            }
+
+            for (const id of variable.identifiers) {
+                yield { type: "syntax", node: id, loc: id.loc };
+            }
+
+            if (variable.eslintExplicitGlobalComments) {
+                for (const comment of variable.eslintExplicitGlobalComments) {
+                    yield {
+                        type: "comment",
+                        node: comment,
+                        loc: astUtils.getNameLocationInGlobalDirectiveComment(
+                            sourceCode,
+                            comment,
+                            variable.name
+                        )
+                    };
+                }
+            }
+        }
+
+        /**
+         * Find variables in a given scope and flag redeclared ones.
+         * @param {Scope} scope An eslint-scope scope object.
+         * @returns {void}
+         * @private
+         */
+        function findVariablesInScope(scope) {
+            for (const variable of scope.variables) {
+                const [
+                    declaration,
+                    ...extraDeclarations
+                ] = iterateDeclarations(variable);
+
+                if (extraDeclarations.length === 0) {
+                    continue;
+                }
+
+                /*
+                 * If the type of a declaration is different from the type of
+                 * the first declaration, it shows the location of the first
+                 * declaration.
+                 */
+                const detailMessageId = declaration.type === "builtin"
+                    ? "redeclaredAsBuiltin"
+                    : "redeclaredBySyntax";
+                const data = { id: variable.name };
+
+                // Report extra declarations.
+                for (const { type, node, loc } of extraDeclarations) {
+                    const messageId = type === declaration.type
+                        ? "redeclared"
+                        : detailMessageId;
+
+                    context.report({ node, loc, messageId, data });
+                }
+            }
+        }
+
+        /**
+         * Find variables in the current scope.
+         * @param {ASTNode} node The node of the current scope.
+         * @returns {void}
+         * @private
+         */
+        function checkForBlock(node) {
+            const scope = context.getScope();
+
+            /*
+             * In ES5, some node type such as `BlockStatement` doesn't have that scope.
+             * `scope.block` is a different node in such a case.
+             */
+            if (scope.block === node) {
+                findVariablesInScope(scope);
+            }
+        }
+
+        return {
+            Program() {
+                const scope = context.getScope();
+
+                findVariablesInScope(scope);
+
+                // Node.js or ES modules has a special scope.
+                if (
+                    scope.type === "global" &&
+                    scope.childScopes[0] &&
+
+                    // The special scope's block is the Program node.
+                    scope.block === scope.childScopes[0].block
+                ) {
+                    findVariablesInScope(scope.childScopes[0]);
+                }
+            },
+
+            FunctionDeclaration: checkForBlock,
+            FunctionExpression: checkForBlock,
+            ArrowFunctionExpression: checkForBlock,
+
+            BlockStatement: checkForBlock,
+            ForStatement: checkForBlock,
+            ForInStatement: checkForBlock,
+            ForOfStatement: checkForBlock,
+            SwitchStatement: checkForBlock
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-regex-spaces.js b/eslint/lib/rules/no-regex-spaces.js
new file mode 100644
index 0000000..afb26d7
--- /dev/null
+++ b/eslint/lib/rules/no-regex-spaces.js
@@ -0,0 +1,180 @@
+/**
+ * @fileoverview Rule to count multiple spaces in regular expressions
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const regexpp = require("regexpp");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const regExpParser = new regexpp.RegExpParser();
+const DOUBLE_SPACE = / {2}/u;
+
+/**
+ * Check if node is a string
+ * @param {ASTNode} node node to evaluate
+ * @returns {boolean} True if its a string
+ * @private
+ */
+function isString(node) {
+    return node && node.type === "Literal" && typeof node.value === "string";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow multiple spaces in regular expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-regex-spaces"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            multipleSpaces: "Spaces are hard to count. Use {{{length}}}."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Validate regular expression
+         * @param {ASTNode} nodeToReport Node to report.
+         * @param {string} pattern Regular expression pattern to validate.
+         * @param {string} rawPattern Raw representation of the pattern in the source code.
+         * @param {number} rawPatternStartRange Start range of the pattern in the source code.
+         * @param {string} flags Regular expression flags.
+         * @returns {void}
+         * @private
+         */
+        function checkRegex(nodeToReport, pattern, rawPattern, rawPatternStartRange, flags) {
+
+            // Skip if there are no consecutive spaces in the source code, to avoid reporting e.g., RegExp(' \ ').
+            if (!DOUBLE_SPACE.test(rawPattern)) {
+                return;
+            }
+
+            const characterClassNodes = [];
+            let regExpAST;
+
+            try {
+                regExpAST = regExpParser.parsePattern(pattern, 0, pattern.length, flags.includes("u"));
+            } catch (e) {
+
+                // Ignore regular expressions with syntax errors
+                return;
+            }
+
+            regexpp.visitRegExpAST(regExpAST, {
+                onCharacterClassEnter(ccNode) {
+                    characterClassNodes.push(ccNode);
+                }
+            });
+
+            const spacesPattern = /( {2,})(?: [+*{?]|[^+*{?]|$)/gu;
+            let match;
+
+            while ((match = spacesPattern.exec(pattern))) {
+                const { 1: { length }, index } = match;
+
+                // Report only consecutive spaces that are not in character classes.
+                if (
+                    characterClassNodes.every(({ start, end }) => index < start || end <= index)
+                ) {
+                    context.report({
+                        node: nodeToReport,
+                        messageId: "multipleSpaces",
+                        data: { length },
+                        fix(fixer) {
+                            if (pattern !== rawPattern) {
+                                return null;
+                            }
+                            return fixer.replaceTextRange(
+                                [rawPatternStartRange + index, rawPatternStartRange + index + length],
+                                ` {${length}}`
+                            );
+                        }
+                    });
+
+                    // Report only the first occurrence of consecutive spaces
+                    return;
+                }
+            }
+        }
+
+        /**
+         * Validate regular expression literals
+         * @param {ASTNode} node node to validate
+         * @returns {void}
+         * @private
+         */
+        function checkLiteral(node) {
+            if (node.regex) {
+                const pattern = node.regex.pattern;
+                const rawPattern = node.raw.slice(1, node.raw.lastIndexOf("/"));
+                const rawPatternStartRange = node.range[0] + 1;
+                const flags = node.regex.flags;
+
+                checkRegex(
+                    node,
+                    pattern,
+                    rawPattern,
+                    rawPatternStartRange,
+                    flags
+                );
+            }
+        }
+
+        /**
+         * Validate strings passed to the RegExp constructor
+         * @param {ASTNode} node node to validate
+         * @returns {void}
+         * @private
+         */
+        function checkFunction(node) {
+            const scope = context.getScope();
+            const regExpVar = astUtils.getVariableByName(scope, "RegExp");
+            const shadowed = regExpVar && regExpVar.defs.length > 0;
+            const patternNode = node.arguments[0];
+            const flagsNode = node.arguments[1];
+
+            if (node.callee.type === "Identifier" && node.callee.name === "RegExp" && isString(patternNode) && !shadowed) {
+                const pattern = patternNode.value;
+                const rawPattern = patternNode.raw.slice(1, -1);
+                const rawPatternStartRange = patternNode.range[0] + 1;
+                const flags = isString(flagsNode) ? flagsNode.value : "";
+
+                checkRegex(
+                    node,
+                    pattern,
+                    rawPattern,
+                    rawPatternStartRange,
+                    flags
+                );
+            }
+        }
+
+        return {
+            Literal: checkLiteral,
+            CallExpression: checkFunction,
+            NewExpression: checkFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-exports.js b/eslint/lib/rules/no-restricted-exports.js
new file mode 100644
index 0000000..5b5c7d9
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-exports.js
@@ -0,0 +1,84 @@
+/**
+ * @fileoverview Rule to disallow specified names in exports
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified names in exports",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-exports"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                restrictedNamedExports: {
+                    type: "array",
+                    items: {
+                        type: "string"
+                    },
+                    uniqueItems: true
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            restrictedNamed: "'{{name}}' is restricted from being used as an exported name."
+        }
+    },
+
+    create(context) {
+
+        const restrictedNames = new Set(context.options[0] && context.options[0].restrictedNamedExports);
+
+        /**
+         * Checks and reports given exported identifier.
+         * @param {ASTNode} node exported `Identifer` node to check.
+         * @returns {void}
+         */
+        function checkExportedName(node) {
+            const name = node.name;
+
+            if (restrictedNames.has(name)) {
+                context.report({
+                    node,
+                    messageId: "restrictedNamed",
+                    data: { name }
+                });
+            }
+        }
+
+        return {
+            ExportNamedDeclaration(node) {
+                const declaration = node.declaration;
+
+                if (declaration) {
+                    if (declaration.type === "FunctionDeclaration" || declaration.type === "ClassDeclaration") {
+                        checkExportedName(declaration.id);
+                    } else if (declaration.type === "VariableDeclaration") {
+                        context.getDeclaredVariables(declaration)
+                            .map(v => v.defs.find(d => d.parent === declaration))
+                            .map(d => d.name) // Identifier nodes
+                            .forEach(checkExportedName);
+                    }
+                } else {
+                    node.specifiers
+                        .map(s => s.exported)
+                        .forEach(checkExportedName);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-globals.js b/eslint/lib/rules/no-restricted-globals.js
new file mode 100644
index 0000000..2c932a7
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-globals.js
@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Restrict usage of specified globals.
+ * @author Benoît Zugmeyer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified global variables",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-globals"
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                oneOf: [
+                    {
+                        type: "string"
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            name: { type: "string" },
+                            message: { type: "string" }
+                        },
+                        required: ["name"],
+                        additionalProperties: false
+                    }
+                ]
+            },
+            uniqueItems: true,
+            minItems: 0
+        },
+
+        messages: {
+            defaultMessage: "Unexpected use of '{{name}}'.",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            customMessage: "Unexpected use of '{{name}}'. {{customMessage}}"
+        }
+    },
+
+    create(context) {
+
+        // If no globals are restricted, we don't need to do anything
+        if (context.options.length === 0) {
+            return {};
+        }
+
+        const restrictedGlobalMessages = context.options.reduce((memo, option) => {
+            if (typeof option === "string") {
+                memo[option] = null;
+            } else {
+                memo[option.name] = option.message;
+            }
+
+            return memo;
+        }, {});
+
+        /**
+         * Report a variable to be used as a restricted global.
+         * @param {Reference} reference the variable reference
+         * @returns {void}
+         * @private
+         */
+        function reportReference(reference) {
+            const name = reference.identifier.name,
+                customMessage = restrictedGlobalMessages[name],
+                messageId = customMessage
+                    ? "customMessage"
+                    : "defaultMessage";
+
+            context.report({
+                node: reference.identifier,
+                messageId,
+                data: {
+                    name,
+                    customMessage
+                }
+            });
+        }
+
+        /**
+         * Check if the given name is a restricted global name.
+         * @param {string} name name of a variable
+         * @returns {boolean} whether the variable is a restricted global or not
+         * @private
+         */
+        function isRestricted(name) {
+            return Object.prototype.hasOwnProperty.call(restrictedGlobalMessages, name);
+        }
+
+        return {
+            Program() {
+                const scope = context.getScope();
+
+                // Report variables declared elsewhere (ex: variables defined as "global" by eslint)
+                scope.variables.forEach(variable => {
+                    if (!variable.defs.length && isRestricted(variable.name)) {
+                        variable.references.forEach(reportReference);
+                    }
+                });
+
+                // Report variables not declared at all
+                scope.through.forEach(reference => {
+                    if (isRestricted(reference.identifier.name)) {
+                        reportReference(reference);
+                    }
+                });
+
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-imports.js b/eslint/lib/rules/no-restricted-imports.js
new file mode 100644
index 0000000..c205dad
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-imports.js
@@ -0,0 +1,268 @@
+/**
+ * @fileoverview Restrict usage of specified node imports.
+ * @author Guy Ellis
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const ignore = require("ignore");
+
+const arrayOfStrings = {
+    type: "array",
+    items: { type: "string" },
+    uniqueItems: true
+};
+
+const arrayOfStringsOrObjects = {
+    type: "array",
+    items: {
+        anyOf: [
+            { type: "string" },
+            {
+                type: "object",
+                properties: {
+                    name: { type: "string" },
+                    message: {
+                        type: "string",
+                        minLength: 1
+                    },
+                    importNames: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    }
+                },
+                additionalProperties: false,
+                required: ["name"]
+            }
+        ]
+    },
+    uniqueItems: true
+};
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified modules when loaded by `import`",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-imports"
+        },
+
+        messages: {
+            path: "'{{importSource}}' import is restricted from being used.",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            pathWithCustomMessage: "'{{importSource}}' import is restricted from being used. {{customMessage}}",
+
+            patterns: "'{{importSource}}' import is restricted from being used by a pattern.",
+
+            everything: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted.",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            everythingWithCustomMessage: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted. {{customMessage}}",
+
+            importName: "'{{importName}}' import from '{{importSource}}' is restricted.",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            importNameWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted. {{customMessage}}"
+        },
+
+        schema: {
+            anyOf: [
+                arrayOfStringsOrObjects,
+                {
+                    type: "array",
+                    items: [{
+                        type: "object",
+                        properties: {
+                            paths: arrayOfStringsOrObjects,
+                            patterns: arrayOfStrings
+                        },
+                        additionalProperties: false
+                    }],
+                    additionalItems: false
+                }
+            ]
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = Array.isArray(context.options) ? context.options : [];
+        const isPathAndPatternsObject =
+            typeof options[0] === "object" &&
+            (Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns"));
+
+        const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
+        const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || [];
+
+        // if no imports are restricted we don"t need to check
+        if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) {
+            return {};
+        }
+
+        const restrictedPathMessages = restrictedPaths.reduce((memo, importSource) => {
+            if (typeof importSource === "string") {
+                memo[importSource] = { message: null };
+            } else {
+                memo[importSource.name] = {
+                    message: importSource.message,
+                    importNames: importSource.importNames
+                };
+            }
+            return memo;
+        }, {});
+
+        const restrictedPatternsMatcher = ignore().add(restrictedPatterns);
+
+        /**
+         * Report a restricted path.
+         * @param {string} importSource path of the import
+         * @param {Map<string,Object[]>} importNames Map of import names that are being imported
+         * @param {node} node representing the restricted path reference
+         * @returns {void}
+         * @private
+         */
+        function checkRestrictedPathAndReport(importSource, importNames, node) {
+            if (!Object.prototype.hasOwnProperty.call(restrictedPathMessages, importSource)) {
+                return;
+            }
+
+            const customMessage = restrictedPathMessages[importSource].message;
+            const restrictedImportNames = restrictedPathMessages[importSource].importNames;
+
+            if (restrictedImportNames) {
+                if (importNames.has("*")) {
+                    const specifierData = importNames.get("*")[0];
+
+                    context.report({
+                        node,
+                        messageId: customMessage ? "everythingWithCustomMessage" : "everything",
+                        loc: specifierData.loc,
+                        data: {
+                            importSource,
+                            importNames: restrictedImportNames,
+                            customMessage
+                        }
+                    });
+                }
+
+                restrictedImportNames.forEach(importName => {
+                    if (importNames.has(importName)) {
+                        const specifiers = importNames.get(importName);
+
+                        specifiers.forEach(specifier => {
+                            context.report({
+                                node,
+                                messageId: customMessage ? "importNameWithCustomMessage" : "importName",
+                                loc: specifier.loc,
+                                data: {
+                                    importSource,
+                                    customMessage,
+                                    importName
+                                }
+                            });
+                        });
+                    }
+                });
+            } else {
+                context.report({
+                    node,
+                    messageId: customMessage ? "pathWithCustomMessage" : "path",
+                    data: {
+                        importSource,
+                        customMessage
+                    }
+                });
+            }
+        }
+
+        /**
+         * Report a restricted path specifically for patterns.
+         * @param {node} node representing the restricted path reference
+         * @returns {void}
+         * @private
+         */
+        function reportPathForPatterns(node) {
+            const importSource = node.source.value.trim();
+
+            context.report({
+                node,
+                messageId: "patterns",
+                data: {
+                    importSource
+                }
+            });
+        }
+
+        /**
+         * Check if the given importSource is restricted by a pattern.
+         * @param {string} importSource path of the import
+         * @returns {boolean} whether the variable is a restricted pattern or not
+         * @private
+         */
+        function isRestrictedPattern(importSource) {
+            return restrictedPatterns.length > 0 && restrictedPatternsMatcher.ignores(importSource);
+        }
+
+        /**
+         * Checks a node to see if any problems should be reported.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkNode(node) {
+            const importSource = node.source.value.trim();
+            const importNames = new Map();
+
+            if (node.type === "ExportAllDeclaration") {
+                const starToken = sourceCode.getFirstToken(node, 1);
+
+                importNames.set("*", [{ loc: starToken.loc }]);
+            } else if (node.specifiers) {
+                for (const specifier of node.specifiers) {
+                    let name;
+                    const specifierData = { loc: specifier.loc };
+
+                    if (specifier.type === "ImportDefaultSpecifier") {
+                        name = "default";
+                    } else if (specifier.type === "ImportNamespaceSpecifier") {
+                        name = "*";
+                    } else if (specifier.imported) {
+                        name = specifier.imported.name;
+                    } else if (specifier.local) {
+                        name = specifier.local.name;
+                    }
+
+                    if (name) {
+                        if (importNames.has(name)) {
+                            importNames.get(name).push(specifierData);
+                        } else {
+                            importNames.set(name, [specifierData]);
+                        }
+                    }
+                }
+            }
+
+            checkRestrictedPathAndReport(importSource, importNames, node);
+
+            if (isRestrictedPattern(importSource)) {
+                reportPathForPatterns(node);
+            }
+        }
+
+        return {
+            ImportDeclaration: checkNode,
+            ExportNamedDeclaration(node) {
+                if (node.source) {
+                    checkNode(node);
+                }
+            },
+            ExportAllDeclaration: checkNode
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-modules.js b/eslint/lib/rules/no-restricted-modules.js
new file mode 100644
index 0000000..abd8d5c
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-modules.js
@@ -0,0 +1,210 @@
+/**
+ * @fileoverview Restrict usage of specified node modules.
+ * @author Christian Schulz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const ignore = require("ignore");
+
+const arrayOfStrings = {
+    type: "array",
+    items: { type: "string" },
+    uniqueItems: true
+};
+
+const arrayOfStringsOrObjects = {
+    type: "array",
+    items: {
+        anyOf: [
+            { type: "string" },
+            {
+                type: "object",
+                properties: {
+                    name: { type: "string" },
+                    message: {
+                        type: "string",
+                        minLength: 1
+                    }
+                },
+                additionalProperties: false,
+                required: ["name"]
+            }
+        ]
+    },
+    uniqueItems: true
+};
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified modules when loaded by `require`",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-modules"
+        },
+
+        schema: {
+            anyOf: [
+                arrayOfStringsOrObjects,
+                {
+                    type: "array",
+                    items: {
+                        type: "object",
+                        properties: {
+                            paths: arrayOfStringsOrObjects,
+                            patterns: arrayOfStrings
+                        },
+                        additionalProperties: false
+                    },
+                    additionalItems: false
+                }
+            ]
+        },
+
+        messages: {
+            defaultMessage: "'{{name}}' module is restricted from being used.",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            customMessage: "'{{name}}' module is restricted from being used. {{customMessage}}",
+            patternMessage: "'{{name}}' module is restricted from being used by a pattern."
+        }
+    },
+
+    create(context) {
+        const options = Array.isArray(context.options) ? context.options : [];
+        const isPathAndPatternsObject =
+            typeof options[0] === "object" &&
+            (Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns"));
+
+        const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
+        const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || [];
+
+        const restrictedPathMessages = restrictedPaths.reduce((memo, importName) => {
+            if (typeof importName === "string") {
+                memo[importName] = null;
+            } else {
+                memo[importName.name] = importName.message;
+            }
+            return memo;
+        }, {});
+
+        // if no imports are restricted we don"t need to check
+        if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) {
+            return {};
+        }
+
+        const ig = ignore().add(restrictedPatterns);
+
+
+        /**
+         * Function to check if a node is a string literal.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} If the node is a string literal.
+         */
+        function isStringLiteral(node) {
+            return node && node.type === "Literal" && typeof node.value === "string";
+        }
+
+        /**
+         * Function to check if a node is a static string template literal.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} If the node is a string template literal.
+         */
+        function isStaticTemplateLiteral(node) {
+            return node && node.type === "TemplateLiteral" && node.expressions.length === 0;
+        }
+
+        /**
+         * Function to check if a node is a require call.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} If the node is a require call.
+         */
+        function isRequireCall(node) {
+            return node.callee.type === "Identifier" && node.callee.name === "require";
+        }
+
+        /**
+         * Extract string from Literal or TemplateLiteral node
+         * @param {ASTNode} node The node to extract from
+         * @returns {string|null} Extracted string or null if node doesn't represent a string
+         */
+        function getFirstArgumentString(node) {
+            if (isStringLiteral(node)) {
+                return node.value.trim();
+            }
+
+            if (isStaticTemplateLiteral(node)) {
+                return node.quasis[0].value.cooked.trim();
+            }
+
+            return null;
+        }
+
+        /**
+         * Report a restricted path.
+         * @param {node} node representing the restricted path reference
+         * @param {string} name restricted path
+         * @returns {void}
+         * @private
+         */
+        function reportPath(node, name) {
+            const customMessage = restrictedPathMessages[name];
+            const messageId = customMessage
+                ? "customMessage"
+                : "defaultMessage";
+
+            context.report({
+                node,
+                messageId,
+                data: {
+                    name,
+                    customMessage
+                }
+            });
+        }
+
+        /**
+         * Check if the given name is a restricted path name
+         * @param {string} name name of a variable
+         * @returns {boolean} whether the variable is a restricted path or not
+         * @private
+         */
+        function isRestrictedPath(name) {
+            return Object.prototype.hasOwnProperty.call(restrictedPathMessages, name);
+        }
+
+        return {
+            CallExpression(node) {
+                if (isRequireCall(node)) {
+
+                    // node has arguments
+                    if (node.arguments.length) {
+                        const name = getFirstArgumentString(node.arguments[0]);
+
+                        // if first argument is a string literal or a static string template literal
+                        if (name) {
+
+                            // check if argument value is in restricted modules array
+                            if (isRestrictedPath(name)) {
+                                reportPath(node, name);
+                            }
+
+                            if (restrictedPatterns.length > 0 && ig.ignores(name)) {
+                                context.report({
+                                    node,
+                                    messageId: "patternMessage",
+                                    data: { name }
+                                });
+                            }
+                        }
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-properties.js b/eslint/lib/rules/no-restricted-properties.js
new file mode 100644
index 0000000..7ab8399
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-properties.js
@@ -0,0 +1,181 @@
+/**
+ * @fileoverview Rule to disallow certain object properties
+ * @author Will Klein & Eli White
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow certain properties on certain objects",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-properties"
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                anyOf: [ // `object` and `property` are both optional, but at least one of them must be provided.
+                    {
+                        type: "object",
+                        properties: {
+                            object: {
+                                type: "string"
+                            },
+                            property: {
+                                type: "string"
+                            },
+                            message: {
+                                type: "string"
+                            }
+                        },
+                        additionalProperties: false,
+                        required: ["object"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            object: {
+                                type: "string"
+                            },
+                            property: {
+                                type: "string"
+                            },
+                            message: {
+                                type: "string"
+                            }
+                        },
+                        additionalProperties: false,
+                        required: ["property"]
+                    }
+                ]
+            },
+            uniqueItems: true
+        },
+
+        messages: {
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            restrictedObjectProperty: "'{{objectName}}.{{propertyName}}' is restricted from being used.{{message}}",
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            restrictedProperty: "'{{propertyName}}' is restricted from being used.{{message}}"
+        }
+    },
+
+    create(context) {
+        const restrictedCalls = context.options;
+
+        if (restrictedCalls.length === 0) {
+            return {};
+        }
+
+        const restrictedProperties = new Map();
+        const globallyRestrictedObjects = new Map();
+        const globallyRestrictedProperties = new Map();
+
+        restrictedCalls.forEach(option => {
+            const objectName = option.object;
+            const propertyName = option.property;
+
+            if (typeof objectName === "undefined") {
+                globallyRestrictedProperties.set(propertyName, { message: option.message });
+            } else if (typeof propertyName === "undefined") {
+                globallyRestrictedObjects.set(objectName, { message: option.message });
+            } else {
+                if (!restrictedProperties.has(objectName)) {
+                    restrictedProperties.set(objectName, new Map());
+                }
+
+                restrictedProperties.get(objectName).set(propertyName, {
+                    message: option.message
+                });
+            }
+        });
+
+        /**
+         * Checks to see whether a property access is restricted, and reports it if so.
+         * @param {ASTNode} node The node to report
+         * @param {string} objectName The name of the object
+         * @param {string} propertyName The name of the property
+         * @returns {undefined}
+         */
+        function checkPropertyAccess(node, objectName, propertyName) {
+            if (propertyName === null) {
+                return;
+            }
+            const matchedObject = restrictedProperties.get(objectName);
+            const matchedObjectProperty = matchedObject ? matchedObject.get(propertyName) : globallyRestrictedObjects.get(objectName);
+            const globalMatchedProperty = globallyRestrictedProperties.get(propertyName);
+
+            if (matchedObjectProperty) {
+                const message = matchedObjectProperty.message ? ` ${matchedObjectProperty.message}` : "";
+
+                context.report({
+                    node,
+                    messageId: "restrictedObjectProperty",
+                    data: {
+                        objectName,
+                        propertyName,
+                        message
+                    }
+                });
+            } else if (globalMatchedProperty) {
+                const message = globalMatchedProperty.message ? ` ${globalMatchedProperty.message}` : "";
+
+                context.report({
+                    node,
+                    messageId: "restrictedProperty",
+                    data: {
+                        propertyName,
+                        message
+                    }
+                });
+            }
+        }
+
+        /**
+         * Checks property accesses in a destructuring assignment expression, e.g. `var foo; ({foo} = bar);`
+         * @param {ASTNode} node An AssignmentExpression or AssignmentPattern node
+         * @returns {undefined}
+         */
+        function checkDestructuringAssignment(node) {
+            if (node.right.type === "Identifier") {
+                const objectName = node.right.name;
+
+                if (node.left.type === "ObjectPattern") {
+                    node.left.properties.forEach(property => {
+                        checkPropertyAccess(node.left, objectName, astUtils.getStaticPropertyName(property));
+                    });
+                }
+            }
+        }
+
+        return {
+            MemberExpression(node) {
+                checkPropertyAccess(node, node.object && node.object.name, astUtils.getStaticPropertyName(node));
+            },
+            VariableDeclarator(node) {
+                if (node.init && node.init.type === "Identifier") {
+                    const objectName = node.init.name;
+
+                    if (node.id.type === "ObjectPattern") {
+                        node.id.properties.forEach(property => {
+                            checkPropertyAccess(node.id, objectName, astUtils.getStaticPropertyName(property));
+                        });
+                    }
+                }
+            },
+            AssignmentExpression: checkDestructuringAssignment,
+            AssignmentPattern: checkDestructuringAssignment
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-restricted-syntax.js b/eslint/lib/rules/no-restricted-syntax.js
new file mode 100644
index 0000000..9572603
--- /dev/null
+++ b/eslint/lib/rules/no-restricted-syntax.js
@@ -0,0 +1,70 @@
+/**
+ * @fileoverview Rule to flag use of certain node types
+ * @author Burak Yigit Kaya
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified syntax",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-restricted-syntax"
+        },
+
+        schema: {
+            type: "array",
+            items: {
+                oneOf: [
+                    {
+                        type: "string"
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            selector: { type: "string" },
+                            message: { type: "string" }
+                        },
+                        required: ["selector"],
+                        additionalProperties: false
+                    }
+                ]
+            },
+            uniqueItems: true,
+            minItems: 0
+        },
+
+        messages: {
+            // eslint-disable-next-line eslint-plugin/report-message-format
+            restrictedSyntax: "{{message}}"
+        }
+    },
+
+    create(context) {
+        return context.options.reduce((result, selectorOrObject) => {
+            const isStringFormat = (typeof selectorOrObject === "string");
+            const hasCustomMessage = !isStringFormat && Boolean(selectorOrObject.message);
+
+            const selector = isStringFormat ? selectorOrObject : selectorOrObject.selector;
+            const message = hasCustomMessage ? selectorOrObject.message : `Using '${selector}' is not allowed.`;
+
+            return Object.assign(result, {
+                [selector](node) {
+                    context.report({
+                        node,
+                        messageId: "restrictedSyntax",
+                        data: { message }
+                    });
+                }
+            });
+        }, {});
+
+    }
+};
diff --git a/eslint/lib/rules/no-return-assign.js b/eslint/lib/rules/no-return-assign.js
new file mode 100644
index 0000000..4b57d42
--- /dev/null
+++ b/eslint/lib/rules/no-return-assign.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview Rule to flag when return statement contains assignment
+ * @author Ilya Volodin
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_TYPE = /^(?:[a-zA-Z]+?Statement|ArrowFunctionExpression|FunctionExpression|ClassExpression)$/u;
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow assignment operators in `return` statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-return-assign"
+        },
+
+        schema: [
+            {
+                enum: ["except-parens", "always"]
+            }
+        ],
+
+        messages: {
+            returnAssignment: "Return statement should not contain assignment.",
+            arrowAssignment: "Arrow function should not return assignment."
+        }
+    },
+
+    create(context) {
+        const always = (context.options[0] || "except-parens") !== "except-parens";
+        const sourceCode = context.getSourceCode();
+
+        return {
+            AssignmentExpression(node) {
+                if (!always && astUtils.isParenthesised(sourceCode, node)) {
+                    return;
+                }
+
+                let currentChild = node;
+                let parent = currentChild.parent;
+
+                // Find ReturnStatement or ArrowFunctionExpression in ancestors.
+                while (parent && !SENTINEL_TYPE.test(parent.type)) {
+                    currentChild = parent;
+                    parent = parent.parent;
+                }
+
+                // Reports.
+                if (parent && parent.type === "ReturnStatement") {
+                    context.report({
+                        node: parent,
+                        messageId: "returnAssignment"
+                    });
+                } else if (parent && parent.type === "ArrowFunctionExpression" && parent.body === currentChild) {
+                    context.report({
+                        node: parent,
+                        messageId: "arrowAssignment"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-return-await.js b/eslint/lib/rules/no-return-await.js
new file mode 100644
index 0000000..d1d8982
--- /dev/null
+++ b/eslint/lib/rules/no-return-await.js
@@ -0,0 +1,103 @@
+/**
+ * @fileoverview Disallows unnecessary `return await`
+ * @author Jordan Harband
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary `return await`",
+            category: "Best Practices",
+
+            recommended: false,
+
+            url: "https://eslint.org/docs/rules/no-return-await"
+        },
+
+        fixable: null,
+
+        schema: [
+        ],
+
+        messages: {
+            redundantUseOfAwait: "Redundant use of `await` on a return value."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Reports a found unnecessary `await` expression.
+         * @param {ASTNode} node The node representing the `await` expression to report
+         * @returns {void}
+         */
+        function reportUnnecessaryAwait(node) {
+            context.report({
+                node: context.getSourceCode().getFirstToken(node),
+                loc: node.loc,
+                messageId: "redundantUseOfAwait"
+            });
+        }
+
+        /**
+         * Determines whether a thrown error from this node will be caught/handled within this function rather than immediately halting
+         * this function. For example, a statement in a `try` block will always have an error handler. A statement in
+         * a `catch` block will only have an error handler if there is also a `finally` block.
+         * @param {ASTNode} node A node representing a location where an could be thrown
+         * @returns {boolean} `true` if a thrown error will be caught/handled in this function
+         */
+        function hasErrorHandler(node) {
+            let ancestor = node;
+
+            while (!astUtils.isFunction(ancestor) && ancestor.type !== "Program") {
+                if (ancestor.parent.type === "TryStatement" && (ancestor === ancestor.parent.block || ancestor === ancestor.parent.handler && ancestor.parent.finalizer)) {
+                    return true;
+                }
+                ancestor = ancestor.parent;
+            }
+            return false;
+        }
+
+        /**
+         * Checks if a node is placed in tail call position. Once `return` arguments (or arrow function expressions) can be a complex expression,
+         * an `await` expression could or could not be unnecessary by the definition of this rule. So we're looking for `await` expressions that are in tail position.
+         * @param {ASTNode} node A node representing the `await` expression to check
+         * @returns {boolean} The checking result
+         */
+        function isInTailCallPosition(node) {
+            if (node.parent.type === "ArrowFunctionExpression") {
+                return true;
+            }
+            if (node.parent.type === "ReturnStatement") {
+                return !hasErrorHandler(node.parent);
+            }
+            if (node.parent.type === "ConditionalExpression" && (node === node.parent.consequent || node === node.parent.alternate)) {
+                return isInTailCallPosition(node.parent);
+            }
+            if (node.parent.type === "LogicalExpression" && node === node.parent.right) {
+                return isInTailCallPosition(node.parent);
+            }
+            if (node.parent.type === "SequenceExpression" && node === node.parent.expressions[node.parent.expressions.length - 1]) {
+                return isInTailCallPosition(node.parent);
+            }
+            return false;
+        }
+
+        return {
+            AwaitExpression(node) {
+                if (isInTailCallPosition(node) && !hasErrorHandler(node)) {
+                    reportUnnecessaryAwait(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-script-url.js b/eslint/lib/rules/no-script-url.js
new file mode 100644
index 0000000..2078fc1
--- /dev/null
+++ b/eslint/lib/rules/no-script-url.js
@@ -0,0 +1,48 @@
+/**
+ * @fileoverview Rule to flag when using javascript: urls
+ * @author Ilya Volodin
+ */
+/* jshint scripturl: true */
+/* eslint no-script-url: 0 */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `javascript:` urls",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-script-url"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedScriptURL: "Script URL is a form of eval."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            Literal(node) {
+                if (node.value && typeof node.value === "string") {
+                    const value = node.value.toLowerCase();
+
+                    if (value.indexOf("javascript:") === 0) {
+                        context.report({ node, messageId: "unexpectedScriptURL" });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-self-assign.js b/eslint/lib/rules/no-self-assign.js
new file mode 100644
index 0000000..170e46b
--- /dev/null
+++ b/eslint/lib/rules/no-self-assign.js
@@ -0,0 +1,233 @@
+/**
+ * @fileoverview Rule to disallow assignments where both sides are exactly the same
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SPACES = /\s+/gu;
+
+/**
+ * Checks whether the property of 2 given member expression nodes are the same
+ * property or not.
+ * @param {ASTNode} left A member expression node to check.
+ * @param {ASTNode} right Another member expression node to check.
+ * @returns {boolean} `true` if the member expressions have the same property.
+ */
+function isSameProperty(left, right) {
+    if (left.property.type === "Identifier" &&
+        left.property.type === right.property.type &&
+        left.property.name === right.property.name &&
+        left.computed === right.computed
+    ) {
+        return true;
+    }
+
+    const lname = astUtils.getStaticPropertyName(left);
+    const rname = astUtils.getStaticPropertyName(right);
+
+    return lname !== null && lname === rname;
+}
+
+/**
+ * Checks whether 2 given member expression nodes are the reference to the same
+ * property or not.
+ * @param {ASTNode} left A member expression node to check.
+ * @param {ASTNode} right Another member expression node to check.
+ * @returns {boolean} `true` if the member expressions are the reference to the
+ *  same property or not.
+ */
+function isSameMember(left, right) {
+    if (!isSameProperty(left, right)) {
+        return false;
+    }
+
+    const lobj = left.object;
+    const robj = right.object;
+
+    if (lobj.type !== robj.type) {
+        return false;
+    }
+    if (lobj.type === "MemberExpression") {
+        return isSameMember(lobj, robj);
+    }
+    if (lobj.type === "ThisExpression") {
+        return true;
+    }
+    return lobj.type === "Identifier" && lobj.name === robj.name;
+}
+
+/**
+ * Traverses 2 Pattern nodes in parallel, then reports self-assignments.
+ * @param {ASTNode|null} left A left node to traverse. This is a Pattern or
+ *      a Property.
+ * @param {ASTNode|null} right A right node to traverse. This is a Pattern or
+ *      a Property.
+ * @param {boolean} props The flag to check member expressions as well.
+ * @param {Function} report A callback function to report.
+ * @returns {void}
+ */
+function eachSelfAssignment(left, right, props, report) {
+    if (!left || !right) {
+
+        // do nothing
+    } else if (
+        left.type === "Identifier" &&
+        right.type === "Identifier" &&
+        left.name === right.name
+    ) {
+        report(right);
+    } else if (
+        left.type === "ArrayPattern" &&
+        right.type === "ArrayExpression"
+    ) {
+        const end = Math.min(left.elements.length, right.elements.length);
+
+        for (let i = 0; i < end; ++i) {
+            const leftElement = left.elements[i];
+            const rightElement = right.elements[i];
+
+            // Avoid cases such as [...a] = [...a, 1]
+            if (
+                leftElement &&
+                leftElement.type === "RestElement" &&
+                i < right.elements.length - 1
+            ) {
+                break;
+            }
+
+            eachSelfAssignment(leftElement, rightElement, props, report);
+
+            // After a spread element, those indices are unknown.
+            if (rightElement && rightElement.type === "SpreadElement") {
+                break;
+            }
+        }
+    } else if (
+        left.type === "RestElement" &&
+        right.type === "SpreadElement"
+    ) {
+        eachSelfAssignment(left.argument, right.argument, props, report);
+    } else if (
+        left.type === "ObjectPattern" &&
+        right.type === "ObjectExpression" &&
+        right.properties.length >= 1
+    ) {
+
+        /*
+         * Gets the index of the last spread property.
+         * It's possible to overwrite properties followed by it.
+         */
+        let startJ = 0;
+
+        for (let i = right.properties.length - 1; i >= 0; --i) {
+            const propType = right.properties[i].type;
+
+            if (propType === "SpreadElement" || propType === "ExperimentalSpreadProperty") {
+                startJ = i + 1;
+                break;
+            }
+        }
+
+        for (let i = 0; i < left.properties.length; ++i) {
+            for (let j = startJ; j < right.properties.length; ++j) {
+                eachSelfAssignment(
+                    left.properties[i],
+                    right.properties[j],
+                    props,
+                    report
+                );
+            }
+        }
+    } else if (
+        left.type === "Property" &&
+        right.type === "Property" &&
+        right.kind === "init" &&
+        !right.method
+    ) {
+        const leftName = astUtils.getStaticPropertyName(left);
+
+        if (leftName !== null && leftName === astUtils.getStaticPropertyName(right)) {
+            eachSelfAssignment(left.value, right.value, props, report);
+        }
+    } else if (
+        props &&
+        left.type === "MemberExpression" &&
+        right.type === "MemberExpression" &&
+        isSameMember(left, right)
+    ) {
+        report(right);
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow assignments where both sides are exactly the same",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-self-assign"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    props: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            selfAssignment: "'{{name}}' is assigned to itself."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const [{ props = true } = {}] = context.options;
+
+        /**
+         * Reports a given node as self assignments.
+         * @param {ASTNode} node A node to report. This is an Identifier node.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "selfAssignment",
+                data: {
+                    name: sourceCode.getText(node).replace(SPACES, "")
+                }
+            });
+        }
+
+        return {
+            AssignmentExpression(node) {
+                if (node.operator === "=") {
+                    eachSelfAssignment(node.left, node.right, props, report);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-self-compare.js b/eslint/lib/rules/no-self-compare.js
new file mode 100644
index 0000000..79b6ac7
--- /dev/null
+++ b/eslint/lib/rules/no-self-compare.js
@@ -0,0 +1,60 @@
+/**
+ * @fileoverview Rule to flag comparison where left part is the same as the right
+ * part.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow comparisons where both sides are exactly the same",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-self-compare"
+        },
+
+        schema: [],
+
+        messages: {
+            comparingToSelf: "Comparing to itself is potentially pointless."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether two nodes are composed of the same tokens.
+         * @param {ASTNode} nodeA The first node
+         * @param {ASTNode} nodeB The second node
+         * @returns {boolean} true if the nodes have identical token representations
+         */
+        function hasSameTokens(nodeA, nodeB) {
+            const tokensA = sourceCode.getTokens(nodeA);
+            const tokensB = sourceCode.getTokens(nodeB);
+
+            return tokensA.length === tokensB.length &&
+                tokensA.every((token, index) => token.type === tokensB[index].type && token.value === tokensB[index].value);
+        }
+
+        return {
+
+            BinaryExpression(node) {
+                const operators = new Set(["===", "==", "!==", "!=", ">", "<", ">=", "<="]);
+
+                if (operators.has(node.operator) && hasSameTokens(node.left, node.right)) {
+                    context.report({ node, messageId: "comparingToSelf" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-sequences.js b/eslint/lib/rules/no-sequences.js
new file mode 100644
index 0000000..d67635d
--- /dev/null
+++ b/eslint/lib/rules/no-sequences.js
@@ -0,0 +1,119 @@
+/**
+ * @fileoverview Rule to flag use of comma operator
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow comma operators",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-sequences"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedCommaExpression: "Unexpected use of comma operator."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Parts of the grammar that are required to have parens.
+         */
+        const parenthesized = {
+            DoWhileStatement: "test",
+            IfStatement: "test",
+            SwitchStatement: "discriminant",
+            WhileStatement: "test",
+            WithStatement: "object",
+            ArrowFunctionExpression: "body"
+
+            /*
+             * Omitting CallExpression - commas are parsed as argument separators
+             * Omitting NewExpression - commas are parsed as argument separators
+             * Omitting ForInStatement - parts aren't individually parenthesised
+             * Omitting ForStatement - parts aren't individually parenthesised
+             */
+        };
+
+        /**
+         * Determines whether a node is required by the grammar to be wrapped in
+         * parens, e.g. the test of an if statement.
+         * @param {ASTNode} node The AST node
+         * @returns {boolean} True if parens around node belong to parent node.
+         */
+        function requiresExtraParens(node) {
+            return node.parent && parenthesized[node.parent.type] &&
+                    node === node.parent[parenthesized[node.parent.type]];
+        }
+
+        /**
+         * Check if a node is wrapped in parens.
+         * @param {ASTNode} node The AST node
+         * @returns {boolean} True if the node has a paren on each side.
+         */
+        function isParenthesised(node) {
+            return astUtils.isParenthesised(sourceCode, node);
+        }
+
+        /**
+         * Check if a node is wrapped in two levels of parens.
+         * @param {ASTNode} node The AST node
+         * @returns {boolean} True if two parens surround the node on each side.
+         */
+        function isParenthesisedTwice(node) {
+            const previousToken = sourceCode.getTokenBefore(node, 1),
+                nextToken = sourceCode.getTokenAfter(node, 1);
+
+            return isParenthesised(node) && previousToken && nextToken &&
+                astUtils.isOpeningParenToken(previousToken) && previousToken.range[1] <= node.range[0] &&
+                astUtils.isClosingParenToken(nextToken) && nextToken.range[0] >= node.range[1];
+        }
+
+        return {
+            SequenceExpression(node) {
+
+                // Always allow sequences in for statement update
+                if (node.parent.type === "ForStatement" &&
+                        (node === node.parent.init || node === node.parent.update)) {
+                    return;
+                }
+
+                // Wrapping a sequence in extra parens indicates intent
+                if (requiresExtraParens(node)) {
+                    if (isParenthesisedTwice(node)) {
+                        return;
+                    }
+                } else {
+                    if (isParenthesised(node)) {
+                        return;
+                    }
+                }
+
+                const firstCommaToken = sourceCode.getTokenAfter(node.expressions[0], astUtils.isCommaToken);
+
+                context.report({ node, loc: firstCommaToken.loc, messageId: "unexpectedCommaExpression" });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-setter-return.js b/eslint/lib/rules/no-setter-return.js
new file mode 100644
index 0000000..a558640
--- /dev/null
+++ b/eslint/lib/rules/no-setter-return.js
@@ -0,0 +1,227 @@
+/**
+ * @fileoverview Rule to disallow returning values from setters
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const { findVariable } = require("eslint-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given identifier node is a reference to a global variable.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} True if the identifier is a reference to a global variable.
+ */
+function isGlobalReference(node, scope) {
+    const variable = findVariable(scope, node);
+
+    return variable !== null && variable.scope.type === "global" && variable.defs.length === 0;
+}
+
+/**
+ * Determines whether the given node is an argument of the specified global method call, at the given `index` position.
+ * E.g., for given `index === 1`, this function checks for `objectName.methodName(foo, node)`, where objectName is a global variable.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @param {string} objectName Name of the global object.
+ * @param {string} methodName Name of the method.
+ * @param {number} index The given position.
+ * @returns {boolean} `true` if the node is argument at the given position.
+ */
+function isArgumentOfGlobalMethodCall(node, scope, objectName, methodName, index) {
+    const parent = node.parent;
+
+    return parent.type === "CallExpression" &&
+        parent.arguments[index] === node &&
+        parent.callee.type === "MemberExpression" &&
+        astUtils.getStaticPropertyName(parent.callee) === methodName &&
+        parent.callee.object.type === "Identifier" &&
+        parent.callee.object.name === objectName &&
+        isGlobalReference(parent.callee.object, scope);
+}
+
+/**
+ * Determines whether the given node is used as a property descriptor.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} `true` if the node is a property descriptor.
+ */
+function isPropertyDescriptor(node, scope) {
+    if (
+        isArgumentOfGlobalMethodCall(node, scope, "Object", "defineProperty", 2) ||
+        isArgumentOfGlobalMethodCall(node, scope, "Reflect", "defineProperty", 2)
+    ) {
+        return true;
+    }
+
+    const parent = node.parent;
+
+    if (
+        parent.type === "Property" &&
+        parent.value === node
+    ) {
+        const grandparent = parent.parent;
+
+        if (
+            grandparent.type === "ObjectExpression" &&
+            (
+                isArgumentOfGlobalMethodCall(grandparent, scope, "Object", "create", 1) ||
+                isArgumentOfGlobalMethodCall(grandparent, scope, "Object", "defineProperties", 1)
+            )
+        ) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+/**
+ * Determines whether the given function node is used as a setter function.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} `true` if the node is a setter.
+ */
+function isSetter(node, scope) {
+    const parent = node.parent;
+
+    if (
+        parent.kind === "set" &&
+        parent.value === node
+    ) {
+
+        // Setter in an object literal or in a class
+        return true;
+    }
+
+    if (
+        parent.type === "Property" &&
+        parent.value === node &&
+        astUtils.getStaticPropertyName(parent) === "set" &&
+        parent.parent.type === "ObjectExpression" &&
+        isPropertyDescriptor(parent.parent, scope)
+    ) {
+
+        // Setter in a property descriptor
+        return true;
+    }
+
+    return false;
+}
+
+/**
+ * Finds function's outer scope.
+ * @param {Scope} scope Function's own scope.
+ * @returns {Scope} Function's outer scope.
+ */
+function getOuterScope(scope) {
+    const upper = scope.upper;
+
+    if (upper.type === "function-expression-name") {
+        return upper.upper;
+    }
+
+    return upper;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow returning values from setters",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-setter-return"
+        },
+
+        schema: [],
+
+        messages: {
+            returnsValue: "Setter cannot return a value."
+        }
+    },
+
+    create(context) {
+        let funcInfo = null;
+
+        /**
+         * Creates and pushes to the stack a function info object for the given function node.
+         * @param {ASTNode} node The function node.
+         * @returns {void}
+         */
+        function enterFunction(node) {
+            const outerScope = getOuterScope(context.getScope());
+
+            funcInfo = {
+                upper: funcInfo,
+                isSetter: isSetter(node, outerScope)
+            };
+        }
+
+        /**
+         * Pops the current function info object from the stack.
+         * @returns {void}
+         */
+        function exitFunction() {
+            funcInfo = funcInfo.upper;
+        }
+
+        /**
+         * Reports the given node.
+         * @param {ASTNode} node Node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({ node, messageId: "returnsValue" });
+        }
+
+        return {
+
+            /*
+             * Function declarations cannot be setters, but we still have to track them in the `funcInfo` stack to avoid
+             * false positives, because a ReturnStatement node can belong to a function declaration inside a setter.
+             *
+             * Note: A previously declared function can be referenced and actually used as a setter in a property descriptor,
+             * but that's out of scope for this rule.
+             */
+            FunctionDeclaration: enterFunction,
+            FunctionExpression: enterFunction,
+            ArrowFunctionExpression(node) {
+                enterFunction(node);
+
+                if (funcInfo.isSetter && node.expression) {
+
+                    // { set: foo => bar } property descriptor. Report implicit return 'bar' as the equivalent for a return statement.
+                    report(node.body);
+                }
+            },
+
+            "FunctionDeclaration:exit": exitFunction,
+            "FunctionExpression:exit": exitFunction,
+            "ArrowFunctionExpression:exit": exitFunction,
+
+            ReturnStatement(node) {
+
+                // Global returns (e.g., at the top level of a Node module) don't have `funcInfo`.
+                if (funcInfo && funcInfo.isSetter && node.argument) {
+                    report(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-shadow-restricted-names.js b/eslint/lib/rules/no-shadow-restricted-names.js
new file mode 100644
index 0000000..9647e9a
--- /dev/null
+++ b/eslint/lib/rules/no-shadow-restricted-names.js
@@ -0,0 +1,64 @@
+/**
+ * @fileoverview Disallow shadowing of NaN, undefined, and Infinity (ES5 section 15.1.1)
+ * @author Michael Ficarra
+ */
+"use strict";
+
+/**
+ * Determines if a variable safely shadows undefined.
+ * This is the case when a variable named `undefined` is never assigned to a value (i.e. it always shares the same value
+ * as the global).
+ * @param {eslintScope.Variable} variable The variable to check
+ * @returns {boolean} true if this variable safely shadows `undefined`
+ */
+function safelyShadowsUndefined(variable) {
+    return variable.name === "undefined" &&
+        variable.references.every(ref => !ref.isWrite()) &&
+        variable.defs.every(def => def.node.type === "VariableDeclarator" && def.node.init === null);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow identifiers from shadowing restricted names",
+            category: "Variables",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-shadow-restricted-names"
+        },
+
+        schema: [],
+
+        messages: {
+            shadowingRestrictedName: "Shadowing of global property '{{name}}'."
+        }
+    },
+
+    create(context) {
+
+
+        const RESTRICTED = new Set(["undefined", "NaN", "Infinity", "arguments", "eval"]);
+
+        return {
+            "VariableDeclaration, :function, CatchClause"(node) {
+                for (const variable of context.getDeclaredVariables(node)) {
+                    if (variable.defs.length > 0 && RESTRICTED.has(variable.name) && !safelyShadowsUndefined(variable)) {
+                        context.report({
+                            node: variable.defs[0].name,
+                            messageId: "shadowingRestrictedName",
+                            data: {
+                                name: variable.name
+                            }
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-shadow.js b/eslint/lib/rules/no-shadow.js
new file mode 100644
index 0000000..1be8590
--- /dev/null
+++ b/eslint/lib/rules/no-shadow.js
@@ -0,0 +1,192 @@
+/**
+ * @fileoverview Rule to flag on declaring variables already declared in the outer scope
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow variable declarations from shadowing variables declared in the outer scope",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-shadow"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    builtinGlobals: { type: "boolean", default: false },
+                    hoist: { enum: ["all", "functions", "never"], default: "functions" },
+                    allow: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            noShadow: "'{{name}}' is already declared in the upper scope."
+        }
+    },
+
+    create(context) {
+
+        const options = {
+            builtinGlobals: context.options[0] && context.options[0].builtinGlobals,
+            hoist: (context.options[0] && context.options[0].hoist) || "functions",
+            allow: (context.options[0] && context.options[0].allow) || []
+        };
+
+        /**
+         * Check if variable name is allowed.
+         * @param  {ASTNode} variable The variable to check.
+         * @returns {boolean} Whether or not the variable name is allowed.
+         */
+        function isAllowed(variable) {
+            return options.allow.indexOf(variable.name) !== -1;
+        }
+
+        /**
+         * Checks if a variable of the class name in the class scope of ClassDeclaration.
+         *
+         * ClassDeclaration creates two variables of its name into its outer scope and its class scope.
+         * So we should ignore the variable in the class scope.
+         * @param {Object} variable The variable to check.
+         * @returns {boolean} Whether or not the variable of the class name in the class scope of ClassDeclaration.
+         */
+        function isDuplicatedClassNameVariable(variable) {
+            const block = variable.scope.block;
+
+            return block.type === "ClassDeclaration" && block.id === variable.identifiers[0];
+        }
+
+        /**
+         * Checks if a variable is inside the initializer of scopeVar.
+         *
+         * To avoid reporting at declarations such as `var a = function a() {};`.
+         * But it should report `var a = function(a) {};` or `var a = function() { function a() {} };`.
+         * @param {Object} variable The variable to check.
+         * @param {Object} scopeVar The scope variable to look for.
+         * @returns {boolean} Whether or not the variable is inside initializer of scopeVar.
+         */
+        function isOnInitializer(variable, scopeVar) {
+            const outerScope = scopeVar.scope;
+            const outerDef = scopeVar.defs[0];
+            const outer = outerDef && outerDef.parent && outerDef.parent.range;
+            const innerScope = variable.scope;
+            const innerDef = variable.defs[0];
+            const inner = innerDef && innerDef.name.range;
+
+            return (
+                outer &&
+                inner &&
+                outer[0] < inner[0] &&
+                inner[1] < outer[1] &&
+                ((innerDef.type === "FunctionName" && innerDef.node.type === "FunctionExpression") || innerDef.node.type === "ClassExpression") &&
+                outerScope === innerScope.upper
+            );
+        }
+
+        /**
+         * Get a range of a variable's identifier node.
+         * @param {Object} variable The variable to get.
+         * @returns {Array|undefined} The range of the variable's identifier node.
+         */
+        function getNameRange(variable) {
+            const def = variable.defs[0];
+
+            return def && def.name.range;
+        }
+
+        /**
+         * Checks if a variable is in TDZ of scopeVar.
+         * @param {Object} variable The variable to check.
+         * @param {Object} scopeVar The variable of TDZ.
+         * @returns {boolean} Whether or not the variable is in TDZ of scopeVar.
+         */
+        function isInTdz(variable, scopeVar) {
+            const outerDef = scopeVar.defs[0];
+            const inner = getNameRange(variable);
+            const outer = getNameRange(scopeVar);
+
+            return (
+                inner &&
+                outer &&
+                inner[1] < outer[0] &&
+
+                // Excepts FunctionDeclaration if is {"hoist":"function"}.
+                (options.hoist !== "functions" || !outerDef || outerDef.node.type !== "FunctionDeclaration")
+            );
+        }
+
+        /**
+         * Checks the current context for shadowed variables.
+         * @param {Scope} scope Fixme
+         * @returns {void}
+         */
+        function checkForShadows(scope) {
+            const variables = scope.variables;
+
+            for (let i = 0; i < variables.length; ++i) {
+                const variable = variables[i];
+
+                // Skips "arguments" or variables of a class name in the class scope of ClassDeclaration.
+                if (variable.identifiers.length === 0 ||
+                    isDuplicatedClassNameVariable(variable) ||
+                    isAllowed(variable)
+                ) {
+                    continue;
+                }
+
+                // Gets shadowed variable.
+                const shadowed = astUtils.getVariableByName(scope.upper, variable.name);
+
+                if (shadowed &&
+                    (shadowed.identifiers.length > 0 || (options.builtinGlobals && "writeable" in shadowed)) &&
+                    !isOnInitializer(variable, shadowed) &&
+                    !(options.hoist !== "all" && isInTdz(variable, shadowed))
+                ) {
+                    context.report({
+                        node: variable.identifiers[0],
+                        messageId: "noShadow",
+                        data: variable
+                    });
+                }
+            }
+        }
+
+        return {
+            "Program:exit"() {
+                const globalScope = context.getScope();
+                const stack = globalScope.childScopes.slice();
+
+                while (stack.length) {
+                    const scope = stack.pop();
+
+                    stack.push(...scope.childScopes);
+                    checkForShadows(scope);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-spaced-func.js b/eslint/lib/rules/no-spaced-func.js
new file mode 100644
index 0000000..961bc68
--- /dev/null
+++ b/eslint/lib/rules/no-spaced-func.js
@@ -0,0 +1,83 @@
+/**
+ * @fileoverview Rule to check that spaced function application
+ * @author Matt DuVall <http://www.mattduvall.com>
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow spacing between function identifiers and their applications (deprecated)",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-spaced-func"
+        },
+
+        deprecated: true,
+
+        replacedBy: ["func-call-spacing"],
+
+        fixable: "whitespace",
+        schema: [],
+
+        messages: {
+            noSpacedFunction: "Unexpected space between function name and paren."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check if open space is present in a function name
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function detectOpenSpaces(node) {
+            const lastCalleeToken = sourceCode.getLastToken(node.callee);
+            let prevToken = lastCalleeToken,
+                parenToken = sourceCode.getTokenAfter(lastCalleeToken);
+
+            // advances to an open parenthesis.
+            while (
+                parenToken &&
+                parenToken.range[1] < node.range[1] &&
+                parenToken.value !== "("
+            ) {
+                prevToken = parenToken;
+                parenToken = sourceCode.getTokenAfter(parenToken);
+            }
+
+            // look for a space between the callee and the open paren
+            if (parenToken &&
+                parenToken.range[1] < node.range[1] &&
+                sourceCode.isSpaceBetweenTokens(prevToken, parenToken)
+            ) {
+                context.report({
+                    node,
+                    loc: lastCalleeToken.loc.start,
+                    messageId: "noSpacedFunction",
+                    fix(fixer) {
+                        return fixer.removeRange([prevToken.range[1], parenToken.range[0]]);
+                    }
+                });
+            }
+        }
+
+        return {
+            CallExpression: detectOpenSpaces,
+            NewExpression: detectOpenSpaces
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-sparse-arrays.js b/eslint/lib/rules/no-sparse-arrays.js
new file mode 100644
index 0000000..e8407c3
--- /dev/null
+++ b/eslint/lib/rules/no-sparse-arrays.js
@@ -0,0 +1,50 @@
+/**
+ * @fileoverview Disallow sparse arrays
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow sparse arrays",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-sparse-arrays"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedSparseArray: "Unexpected comma in middle of array."
+        }
+    },
+
+    create(context) {
+
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            ArrayExpression(node) {
+
+                const emptySpot = node.elements.indexOf(null) > -1;
+
+                if (emptySpot) {
+                    context.report({ node, messageId: "unexpectedSparseArray" });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-sync.js b/eslint/lib/rules/no-sync.js
new file mode 100644
index 0000000..d811105
--- /dev/null
+++ b/eslint/lib/rules/no-sync.js
@@ -0,0 +1,61 @@
+/**
+ * @fileoverview Rule to check for properties whose identifier ends with the string Sync
+ * @author Matt DuVall<http://mattduvall.com/>
+ */
+
+/* jshint node:true */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow synchronous methods",
+            category: "Node.js and CommonJS",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-sync"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowAtRootLevel: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            noSync: "Unexpected sync method: '{{propertyName}}'."
+        }
+    },
+
+    create(context) {
+        const selector = context.options[0] && context.options[0].allowAtRootLevel
+            ? ":function MemberExpression[property.name=/.*Sync$/]"
+            : "MemberExpression[property.name=/.*Sync$/]";
+
+        return {
+            [selector](node) {
+                context.report({
+                    node,
+                    messageId: "noSync",
+                    data: {
+                        propertyName: node.property.name
+                    }
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-tabs.js b/eslint/lib/rules/no-tabs.js
new file mode 100644
index 0000000..ca7be26
--- /dev/null
+++ b/eslint/lib/rules/no-tabs.js
@@ -0,0 +1,78 @@
+/**
+ * @fileoverview Rule to check for tabs inside a file
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const tabRegex = /\t+/gu;
+const anyNonWhitespaceRegex = /\S/u;
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow all tabs",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-tabs"
+        },
+        schema: [{
+            type: "object",
+            properties: {
+                allowIndentationTabs: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+
+        messages: {
+            unexpectedTab: "Unexpected tab character."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const allowIndentationTabs = context.options && context.options[0] && context.options[0].allowIndentationTabs;
+
+        return {
+            Program(node) {
+                sourceCode.getLines().forEach((line, index) => {
+                    let match;
+
+                    while ((match = tabRegex.exec(line)) !== null) {
+                        if (allowIndentationTabs && !anyNonWhitespaceRegex.test(line.slice(0, match.index))) {
+                            continue;
+                        }
+
+                        context.report({
+                            node,
+                            loc: {
+                                start: {
+                                    line: index + 1,
+                                    column: match.index
+                                },
+                                end: {
+                                    line: index + 1,
+                                    column: match.index + match[0].length
+                                }
+                            },
+                            messageId: "unexpectedTab"
+                        });
+                    }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-template-curly-in-string.js b/eslint/lib/rules/no-template-curly-in-string.js
new file mode 100644
index 0000000..539cd5b
--- /dev/null
+++ b/eslint/lib/rules/no-template-curly-in-string.js
@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Warn when using template string syntax in regular strings
+ * @author Jeroen Engels
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow template literal placeholder syntax in regular strings",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-template-curly-in-string"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedTemplateExpression: "Unexpected template string expression."
+        }
+    },
+
+    create(context) {
+        const regex = /\$\{[^}]+\}/u;
+
+        return {
+            Literal(node) {
+                if (typeof node.value === "string" && regex.test(node.value)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedTemplateExpression"
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-ternary.js b/eslint/lib/rules/no-ternary.js
new file mode 100644
index 0000000..b3ced86
--- /dev/null
+++ b/eslint/lib/rules/no-ternary.js
@@ -0,0 +1,41 @@
+/**
+ * @fileoverview Rule to flag use of ternary operators.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow ternary operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-ternary"
+        },
+
+        schema: [],
+
+        messages: {
+            noTernaryOperator: "Ternary operator used."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            ConditionalExpression(node) {
+                context.report({ node, messageId: "noTernaryOperator" });
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-this-before-super.js b/eslint/lib/rules/no-this-before-super.js
new file mode 100644
index 0000000..44288c0
--- /dev/null
+++ b/eslint/lib/rules/no-this-before-super.js
@@ -0,0 +1,304 @@
+/**
+ * @fileoverview A rule to disallow using `this`/`super` before `super()`.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a constructor.
+ * @param {ASTNode} node A node to check. This node type is one of
+ *   `Program`, `FunctionDeclaration`, `FunctionExpression`, and
+ *   `ArrowFunctionExpression`.
+ * @returns {boolean} `true` if the node is a constructor.
+ */
+function isConstructorFunction(node) {
+    return (
+        node.type === "FunctionExpression" &&
+        node.parent.type === "MethodDefinition" &&
+        node.parent.kind === "constructor"
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow `this`/`super` before calling `super()` in constructors",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-this-before-super"
+        },
+
+        schema: [],
+
+        messages: {
+            noBeforeSuper: "'{{kind}}' is not allowed before 'super()'."
+        }
+    },
+
+    create(context) {
+
+        /*
+         * Information for each constructor.
+         * - upper:      Information of the upper constructor.
+         * - hasExtends: A flag which shows whether the owner class has a valid
+         *   `extends` part.
+         * - scope:      The scope of the owner class.
+         * - codePath:   The code path of this constructor.
+         */
+        let funcInfo = null;
+
+        /*
+         * Information for each code path segment.
+         * Each key is the id of a code path segment.
+         * Each value is an object:
+         * - superCalled:  The flag which shows `super()` called in all code paths.
+         * - invalidNodes: The array of invalid ThisExpression and Super nodes.
+         */
+        let segInfoMap = Object.create(null);
+
+        /**
+         * Gets whether or not `super()` is called in a given code path segment.
+         * @param {CodePathSegment} segment A code path segment to get.
+         * @returns {boolean} `true` if `super()` is called.
+         */
+        function isCalled(segment) {
+            return !segment.reachable || segInfoMap[segment.id].superCalled;
+        }
+
+        /**
+         * Checks whether or not this is in a constructor.
+         * @returns {boolean} `true` if this is in a constructor.
+         */
+        function isInConstructorOfDerivedClass() {
+            return Boolean(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends);
+        }
+
+        /**
+         * Checks whether or not this is before `super()` is called.
+         * @returns {boolean} `true` if this is before `super()` is called.
+         */
+        function isBeforeCallOfSuper() {
+            return (
+                isInConstructorOfDerivedClass() &&
+                !funcInfo.codePath.currentSegments.every(isCalled)
+            );
+        }
+
+        /**
+         * Sets a given node as invalid.
+         * @param {ASTNode} node A node to set as invalid. This is one of
+         *      a ThisExpression and a Super.
+         * @returns {void}
+         */
+        function setInvalid(node) {
+            const segments = funcInfo.codePath.currentSegments;
+
+            for (let i = 0; i < segments.length; ++i) {
+                const segment = segments[i];
+
+                if (segment.reachable) {
+                    segInfoMap[segment.id].invalidNodes.push(node);
+                }
+            }
+        }
+
+        /**
+         * Sets the current segment as `super` was called.
+         * @returns {void}
+         */
+        function setSuperCalled() {
+            const segments = funcInfo.codePath.currentSegments;
+
+            for (let i = 0; i < segments.length; ++i) {
+                const segment = segments[i];
+
+                if (segment.reachable) {
+                    segInfoMap[segment.id].superCalled = true;
+                }
+            }
+        }
+
+        return {
+
+            /**
+             * Adds information of a constructor into the stack.
+             * @param {CodePath} codePath A code path which was started.
+             * @param {ASTNode} node The current node.
+             * @returns {void}
+             */
+            onCodePathStart(codePath, node) {
+                if (isConstructorFunction(node)) {
+
+                    // Class > ClassBody > MethodDefinition > FunctionExpression
+                    const classNode = node.parent.parent.parent;
+
+                    funcInfo = {
+                        upper: funcInfo,
+                        isConstructor: true,
+                        hasExtends: Boolean(
+                            classNode.superClass &&
+                            !astUtils.isNullOrUndefined(classNode.superClass)
+                        ),
+                        codePath
+                    };
+                } else {
+                    funcInfo = {
+                        upper: funcInfo,
+                        isConstructor: false,
+                        hasExtends: false,
+                        codePath
+                    };
+                }
+            },
+
+            /**
+             * Removes the top of stack item.
+             *
+             * And this treverses all segments of this code path then reports every
+             * invalid node.
+             * @param {CodePath} codePath A code path which was ended.
+             * @returns {void}
+             */
+            onCodePathEnd(codePath) {
+                const isDerivedClass = funcInfo.hasExtends;
+
+                funcInfo = funcInfo.upper;
+                if (!isDerivedClass) {
+                    return;
+                }
+
+                codePath.traverseSegments((segment, controller) => {
+                    const info = segInfoMap[segment.id];
+
+                    for (let i = 0; i < info.invalidNodes.length; ++i) {
+                        const invalidNode = info.invalidNodes[i];
+
+                        context.report({
+                            messageId: "noBeforeSuper",
+                            node: invalidNode,
+                            data: {
+                                kind: invalidNode.type === "Super" ? "super" : "this"
+                            }
+                        });
+                    }
+
+                    if (info.superCalled) {
+                        controller.skip();
+                    }
+                });
+            },
+
+            /**
+             * Initialize information of a given code path segment.
+             * @param {CodePathSegment} segment A code path segment to initialize.
+             * @returns {void}
+             */
+            onCodePathSegmentStart(segment) {
+                if (!isInConstructorOfDerivedClass()) {
+                    return;
+                }
+
+                // Initialize info.
+                segInfoMap[segment.id] = {
+                    superCalled: (
+                        segment.prevSegments.length > 0 &&
+                        segment.prevSegments.every(isCalled)
+                    ),
+                    invalidNodes: []
+                };
+            },
+
+            /**
+             * Update information of the code path segment when a code path was
+             * looped.
+             * @param {CodePathSegment} fromSegment The code path segment of the
+             *      end of a loop.
+             * @param {CodePathSegment} toSegment A code path segment of the head
+             *      of a loop.
+             * @returns {void}
+             */
+            onCodePathSegmentLoop(fromSegment, toSegment) {
+                if (!isInConstructorOfDerivedClass()) {
+                    return;
+                }
+
+                // Update information inside of the loop.
+                funcInfo.codePath.traverseSegments(
+                    { first: toSegment, last: fromSegment },
+                    (segment, controller) => {
+                        const info = segInfoMap[segment.id];
+
+                        if (info.superCalled) {
+                            info.invalidNodes = [];
+                            controller.skip();
+                        } else if (
+                            segment.prevSegments.length > 0 &&
+                            segment.prevSegments.every(isCalled)
+                        ) {
+                            info.superCalled = true;
+                            info.invalidNodes = [];
+                        }
+                    }
+                );
+            },
+
+            /**
+             * Reports if this is before `super()`.
+             * @param {ASTNode} node A target node.
+             * @returns {void}
+             */
+            ThisExpression(node) {
+                if (isBeforeCallOfSuper()) {
+                    setInvalid(node);
+                }
+            },
+
+            /**
+             * Reports if this is before `super()`.
+             * @param {ASTNode} node A target node.
+             * @returns {void}
+             */
+            Super(node) {
+                if (!astUtils.isCallee(node) && isBeforeCallOfSuper()) {
+                    setInvalid(node);
+                }
+            },
+
+            /**
+             * Marks `super()` called.
+             * @param {ASTNode} node A target node.
+             * @returns {void}
+             */
+            "CallExpression:exit"(node) {
+                if (node.callee.type === "Super" && isBeforeCallOfSuper()) {
+                    setSuperCalled();
+                }
+            },
+
+            /**
+             * Resets state.
+             * @returns {void}
+             */
+            "Program:exit"() {
+                segInfoMap = Object.create(null);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-throw-literal.js b/eslint/lib/rules/no-throw-literal.js
new file mode 100644
index 0000000..29fb371
--- /dev/null
+++ b/eslint/lib/rules/no-throw-literal.js
@@ -0,0 +1,51 @@
+/**
+ * @fileoverview Rule to restrict what can be thrown as an exception.
+ * @author Dieter Oberkofler
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow throwing literals as exceptions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-throw-literal"
+        },
+
+        schema: [],
+
+        messages: {
+            object: "Expected an error object to be thrown.",
+            undef: "Do not throw undefined."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            ThrowStatement(node) {
+                if (!astUtils.couldBeError(node.argument)) {
+                    context.report({ node, messageId: "object" });
+                } else if (node.argument.type === "Identifier") {
+                    if (node.argument.name === "undefined") {
+                        context.report({ node, messageId: "undef" });
+                    }
+                }
+
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-trailing-spaces.js b/eslint/lib/rules/no-trailing-spaces.js
new file mode 100644
index 0000000..98ae62c
--- /dev/null
+++ b/eslint/lib/rules/no-trailing-spaces.js
@@ -0,0 +1,190 @@
+/**
+ * @fileoverview Disallow trailing spaces at the end of lines.
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow trailing whitespace at the end of lines",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-trailing-spaces"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    skipBlankLines: {
+                        type: "boolean",
+                        default: false
+                    },
+                    ignoreComments: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            trailingSpace: "Trailing spaces not allowed."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        const BLANK_CLASS = "[ \t\u00a0\u2000-\u200b\u3000]",
+            SKIP_BLANK = `^${BLANK_CLASS}*$`,
+            NONBLANK = `${BLANK_CLASS}+$`;
+
+        const options = context.options[0] || {},
+            skipBlankLines = options.skipBlankLines || false,
+            ignoreComments = options.ignoreComments || false;
+
+        /**
+         * Report the error message
+         * @param {ASTNode} node node to report
+         * @param {int[]} location range information
+         * @param {int[]} fixRange Range based on the whole program
+         * @returns {void}
+         */
+        function report(node, location, fixRange) {
+
+            /*
+             * Passing node is a bit dirty, because message data will contain big
+             * text in `source`. But... who cares :) ?
+             * One more kludge will not make worse the bloody wizardry of this
+             * plugin.
+             */
+            context.report({
+                node,
+                loc: location,
+                messageId: "trailingSpace",
+                fix(fixer) {
+                    return fixer.removeRange(fixRange);
+                }
+            });
+        }
+
+        /**
+         * Given a list of comment nodes, return the line numbers for those comments.
+         * @param {Array} comments An array of comment nodes.
+         * @returns {number[]} An array of line numbers containing comments.
+         */
+        function getCommentLineNumbers(comments) {
+            const lines = new Set();
+
+            comments.forEach(comment => {
+                const endLine = comment.type === "Block"
+                    ? comment.loc.end.line - 1
+                    : comment.loc.end.line;
+
+                for (let i = comment.loc.start.line; i <= endLine; i++) {
+                    lines.add(i);
+                }
+            });
+
+            return lines;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            Program: function checkTrailingSpaces(node) {
+
+                /*
+                 * Let's hack. Since Espree does not return whitespace nodes,
+                 * fetch the source code and do matching via regexps.
+                 */
+
+                const re = new RegExp(NONBLANK, "u"),
+                    skipMatch = new RegExp(SKIP_BLANK, "u"),
+                    lines = sourceCode.lines,
+                    linebreaks = sourceCode.getText().match(astUtils.createGlobalLinebreakMatcher()),
+                    comments = sourceCode.getAllComments(),
+                    commentLineNumbers = getCommentLineNumbers(comments);
+
+                let totalLength = 0,
+                    fixRange = [];
+
+                for (let i = 0, ii = lines.length; i < ii; i++) {
+                    const lineNumber = i + 1;
+
+                    /*
+                     * Always add linebreak length to line length to accommodate for line break (\n or \r\n)
+                     * Because during the fix time they also reserve one spot in the array.
+                     * Usually linebreak length is 2 for \r\n (CRLF) and 1 for \n (LF)
+                     */
+                    const linebreakLength = linebreaks && linebreaks[i] ? linebreaks[i].length : 1;
+                    const lineLength = lines[i].length + linebreakLength;
+
+                    const matches = re.exec(lines[i]);
+
+                    if (matches) {
+                        const location = {
+                            start: {
+                                line: lineNumber,
+                                column: matches.index
+                            },
+                            end: {
+                                line: lineNumber,
+                                column: lineLength - linebreakLength
+                            }
+                        };
+
+                        const rangeStart = totalLength + location.start.column;
+                        const rangeEnd = totalLength + location.end.column;
+                        const containingNode = sourceCode.getNodeByRangeIndex(rangeStart);
+
+                        if (containingNode && containingNode.type === "TemplateElement" &&
+                          rangeStart > containingNode.parent.range[0] &&
+                          rangeEnd < containingNode.parent.range[1]) {
+                            totalLength += lineLength;
+                            continue;
+                        }
+
+                        /*
+                         * If the line has only whitespace, and skipBlankLines
+                         * is true, don't report it
+                         */
+                        if (skipBlankLines && skipMatch.test(lines[i])) {
+                            totalLength += lineLength;
+                            continue;
+                        }
+
+                        fixRange = [rangeStart, rangeEnd];
+
+                        if (!ignoreComments || !commentLineNumbers.has(lineNumber)) {
+                            report(node, location, fixRange);
+                        }
+                    }
+
+                    totalLength += lineLength;
+                }
+            }
+
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-undef-init.js b/eslint/lib/rules/no-undef-init.js
new file mode 100644
index 0000000..5c240fe
--- /dev/null
+++ b/eslint/lib/rules/no-undef-init.js
@@ -0,0 +1,75 @@
+/**
+ * @fileoverview Rule to flag when initializing to undefined
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow initializing variables to `undefined`",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-undef-init"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unnecessaryUndefinedInit: "It's not necessary to initialize '{{name}}' to undefined."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+
+        return {
+
+            VariableDeclarator(node) {
+                const name = sourceCode.getText(node.id),
+                    init = node.init && node.init.name,
+                    scope = context.getScope(),
+                    undefinedVar = astUtils.getVariableByName(scope, "undefined"),
+                    shadowed = undefinedVar && undefinedVar.defs.length > 0,
+                    lastToken = sourceCode.getLastToken(node);
+
+                if (init === "undefined" && node.parent.kind !== "const" && !shadowed) {
+                    context.report({
+                        node,
+                        messageId: "unnecessaryUndefinedInit",
+                        data: { name },
+                        fix(fixer) {
+                            if (node.parent.kind === "var") {
+                                return null;
+                            }
+
+                            if (node.id.type === "ArrayPattern" || node.id.type === "ObjectPattern") {
+
+                                // Don't fix destructuring assignment to `undefined`.
+                                return null;
+                            }
+
+                            if (sourceCode.commentsExistBetween(node.id, lastToken)) {
+                                return null;
+                            }
+
+                            return fixer.removeRange([node.id.range[1], node.range[1]]);
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-undef.js b/eslint/lib/rules/no-undef.js
new file mode 100644
index 0000000..6b51408
--- /dev/null
+++ b/eslint/lib/rules/no-undef.js
@@ -0,0 +1,78 @@
+/**
+ * @fileoverview Rule to flag references to undeclared variables.
+ * @author Mark Macdonald
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if the given node is the argument of a typeof operator.
+ * @param {ASTNode} node The AST node being checked.
+ * @returns {boolean} Whether or not the node is the argument of a typeof operator.
+ */
+function hasTypeOfOperator(node) {
+    const parent = node.parent;
+
+    return parent.type === "UnaryExpression" && parent.operator === "typeof";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow the use of undeclared variables unless mentioned in `/*global */` comments",
+            category: "Variables",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-undef"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    typeof: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            undef: "'{{name}}' is not defined."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0];
+        const considerTypeOf = options && options.typeof === true || false;
+
+        return {
+            "Program:exit"(/* node */) {
+                const globalScope = context.getScope();
+
+                globalScope.through.forEach(ref => {
+                    const identifier = ref.identifier;
+
+                    if (!considerTypeOf && hasTypeOfOperator(identifier)) {
+                        return;
+                    }
+
+                    context.report({
+                        node: identifier,
+                        messageId: "undef",
+                        data: identifier
+                    });
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-undefined.js b/eslint/lib/rules/no-undefined.js
new file mode 100644
index 0000000..a075d90
--- /dev/null
+++ b/eslint/lib/rules/no-undefined.js
@@ -0,0 +1,84 @@
+/**
+ * @fileoverview Rule to flag references to the undefined variable.
+ * @author Michael Ficarra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `undefined` as an identifier",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-undefined"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedUndefined: "Unexpected use of undefined."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Report an invalid "undefined" identifier node.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "unexpectedUndefined"
+            });
+        }
+
+        /**
+         * Checks the given scope for references to `undefined` and reports
+         * all references found.
+         * @param {eslint-scope.Scope} scope The scope to check.
+         * @returns {void}
+         */
+        function checkScope(scope) {
+            const undefinedVar = scope.set.get("undefined");
+
+            if (!undefinedVar) {
+                return;
+            }
+
+            const references = undefinedVar.references;
+
+            const defs = undefinedVar.defs;
+
+            // Report non-initializing references (those are covered in defs below)
+            references
+                .filter(ref => !ref.init)
+                .forEach(ref => report(ref.identifier));
+
+            defs.forEach(def => report(def.name));
+        }
+
+        return {
+            "Program:exit"() {
+                const globalScope = context.getScope();
+
+                const stack = [globalScope];
+
+                while (stack.length) {
+                    const scope = stack.pop();
+
+                    stack.push(...scope.childScopes);
+                    checkScope(scope);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-underscore-dangle.js b/eslint/lib/rules/no-underscore-dangle.js
new file mode 100644
index 0000000..cac594e
--- /dev/null
+++ b/eslint/lib/rules/no-underscore-dangle.js
@@ -0,0 +1,232 @@
+/**
+ * @fileoverview Rule to flag trailing underscores in variable declarations.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow dangling underscores in identifiers",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-underscore-dangle"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allow: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    allowAfterThis: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowAfterSuper: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowAfterThisConstructor: {
+                        type: "boolean",
+                        default: false
+                    },
+                    enforceInMethodNames: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedUnderscore: "Unexpected dangling '_' in '{{identifier}}'."
+        }
+    },
+
+    create(context) {
+
+        const options = context.options[0] || {};
+        const ALLOWED_VARIABLES = options.allow ? options.allow : [];
+        const allowAfterThis = typeof options.allowAfterThis !== "undefined" ? options.allowAfterThis : false;
+        const allowAfterSuper = typeof options.allowAfterSuper !== "undefined" ? options.allowAfterSuper : false;
+        const allowAfterThisConstructor = typeof options.allowAfterThisConstructor !== "undefined" ? options.allowAfterThisConstructor : false;
+        const enforceInMethodNames = typeof options.enforceInMethodNames !== "undefined" ? options.enforceInMethodNames : false;
+
+        //-------------------------------------------------------------------------
+        // Helpers
+        //-------------------------------------------------------------------------
+
+        /**
+         * Check if identifier is present inside the allowed option
+         * @param {string} identifier name of the node
+         * @returns {boolean} true if its is present
+         * @private
+         */
+        function isAllowed(identifier) {
+            return ALLOWED_VARIABLES.some(ident => ident === identifier);
+        }
+
+        /**
+         * Check if identifier has a underscore at the end
+         * @param {string} identifier name of the node
+         * @returns {boolean} true if its is present
+         * @private
+         */
+        function hasTrailingUnderscore(identifier) {
+            const len = identifier.length;
+
+            return identifier !== "_" && (identifier[0] === "_" || identifier[len - 1] === "_");
+        }
+
+        /**
+         * Check if identifier is a special case member expression
+         * @param {string} identifier name of the node
+         * @returns {boolean} true if its is a special case
+         * @private
+         */
+        function isSpecialCaseIdentifierForMemberExpression(identifier) {
+            return identifier === "__proto__";
+        }
+
+        /**
+         * Check if identifier is a special case variable expression
+         * @param {string} identifier name of the node
+         * @returns {boolean} true if its is a special case
+         * @private
+         */
+        function isSpecialCaseIdentifierInVariableExpression(identifier) {
+
+            // Checks for the underscore library usage here
+            return identifier === "_";
+        }
+
+        /**
+         * Check if a node is a member reference of this.constructor
+         * @param {ASTNode} node node to evaluate
+         * @returns {boolean} true if it is a reference on this.constructor
+         * @private
+         */
+        function isThisConstructorReference(node) {
+            return node.object.type === "MemberExpression" &&
+                node.object.property.name === "constructor" &&
+                node.object.object.type === "ThisExpression";
+        }
+
+        /**
+         * Check if function has a underscore at the end
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkForTrailingUnderscoreInFunctionDeclaration(node) {
+            if (node.id) {
+                const identifier = node.id.name;
+
+                if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && !isAllowed(identifier)) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedUnderscore",
+                        data: {
+                            identifier
+                        }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Check if variable expression has a underscore at the end
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkForTrailingUnderscoreInVariableExpression(node) {
+            const identifier = node.id.name;
+
+            if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) &&
+                !isSpecialCaseIdentifierInVariableExpression(identifier) && !isAllowed(identifier)) {
+                context.report({
+                    node,
+                    messageId: "unexpectedUnderscore",
+                    data: {
+                        identifier
+                    }
+                });
+            }
+        }
+
+        /**
+         * Check if member expression has a underscore at the end
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkForTrailingUnderscoreInMemberExpression(node) {
+            const identifier = node.property.name,
+                isMemberOfThis = node.object.type === "ThisExpression",
+                isMemberOfSuper = node.object.type === "Super",
+                isMemberOfThisConstructor = isThisConstructorReference(node);
+
+            if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) &&
+                !(isMemberOfThis && allowAfterThis) &&
+                !(isMemberOfSuper && allowAfterSuper) &&
+                !(isMemberOfThisConstructor && allowAfterThisConstructor) &&
+                !isSpecialCaseIdentifierForMemberExpression(identifier) && !isAllowed(identifier)) {
+                context.report({
+                    node,
+                    messageId: "unexpectedUnderscore",
+                    data: {
+                        identifier
+                    }
+                });
+            }
+        }
+
+        /**
+         * Check if method declaration or method property has a underscore at the end
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkForTrailingUnderscoreInMethod(node) {
+            const identifier = node.key.name;
+            const isMethod = node.type === "MethodDefinition" || node.type === "Property" && node.method;
+
+            if (typeof identifier !== "undefined" && enforceInMethodNames && isMethod && hasTrailingUnderscore(identifier) && !isAllowed(identifier)) {
+                context.report({
+                    node,
+                    messageId: "unexpectedUnderscore",
+                    data: {
+                        identifier
+                    }
+                });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            FunctionDeclaration: checkForTrailingUnderscoreInFunctionDeclaration,
+            VariableDeclarator: checkForTrailingUnderscoreInVariableExpression,
+            MemberExpression: checkForTrailingUnderscoreInMemberExpression,
+            MethodDefinition: checkForTrailingUnderscoreInMethod,
+            Property: checkForTrailingUnderscoreInMethod
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-unexpected-multiline.js b/eslint/lib/rules/no-unexpected-multiline.js
new file mode 100644
index 0000000..eb72008
--- /dev/null
+++ b/eslint/lib/rules/no-unexpected-multiline.js
@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Rule to spot scenarios where a newline looks like it is ending a statement, but is not.
+ * @author Glen Mailer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow confusing multiline expressions",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unexpected-multiline"
+        },
+
+        schema: [],
+        messages: {
+            function: "Unexpected newline between function and ( of function call.",
+            property: "Unexpected newline between object and [ of property access.",
+            taggedTemplate: "Unexpected newline between template tag and template literal.",
+            division: "Unexpected newline between numerator and division operator."
+        }
+    },
+
+    create(context) {
+
+        const REGEX_FLAG_MATCHER = /^[gimsuy]+$/u;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check to see if there is a newline between the node and the following open bracket
+         * line's expression
+         * @param {ASTNode} node The node to check.
+         * @param {string} messageId The error messageId to use.
+         * @returns {void}
+         * @private
+         */
+        function checkForBreakAfter(node, messageId) {
+            const openParen = sourceCode.getTokenAfter(node, astUtils.isNotClosingParenToken);
+            const nodeExpressionEnd = sourceCode.getTokenBefore(openParen);
+
+            if (openParen.loc.start.line !== nodeExpressionEnd.loc.end.line) {
+                context.report({ node, loc: openParen.loc.start, messageId, data: { char: openParen.value } });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            MemberExpression(node) {
+                if (!node.computed) {
+                    return;
+                }
+                checkForBreakAfter(node.object, "property");
+            },
+
+            TaggedTemplateExpression(node) {
+                if (node.tag.loc.end.line === node.quasi.loc.start.line) {
+                    return;
+                }
+
+                // handle generics type parameters on template tags
+                const tokenBefore = sourceCode.getTokenBefore(node.quasi);
+
+                if (tokenBefore.loc.end.line === node.quasi.loc.start.line) {
+                    return;
+                }
+
+                context.report({ node, loc: node.loc.start, messageId: "taggedTemplate" });
+            },
+
+            CallExpression(node) {
+                if (node.arguments.length === 0) {
+                    return;
+                }
+                checkForBreakAfter(node.callee, "function");
+            },
+
+            "BinaryExpression[operator='/'] > BinaryExpression[operator='/'].left"(node) {
+                const secondSlash = sourceCode.getTokenAfter(node, token => token.value === "/");
+                const tokenAfterOperator = sourceCode.getTokenAfter(secondSlash);
+
+                if (
+                    tokenAfterOperator.type === "Identifier" &&
+                    REGEX_FLAG_MATCHER.test(tokenAfterOperator.value) &&
+                    secondSlash.range[1] === tokenAfterOperator.range[0]
+                ) {
+                    checkForBreakAfter(node.left, "division");
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-unmodified-loop-condition.js b/eslint/lib/rules/no-unmodified-loop-condition.js
new file mode 100644
index 0000000..7031a4d
--- /dev/null
+++ b/eslint/lib/rules/no-unmodified-loop-condition.js
@@ -0,0 +1,360 @@
+/**
+ * @fileoverview Rule to disallow use of unmodified expressions in loop conditions
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Traverser = require("../shared/traverser"),
+    astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_PATTERN = /(?:(?:Call|Class|Function|Member|New|Yield)Expression|Statement|Declaration)$/u;
+const LOOP_PATTERN = /^(?:DoWhile|For|While)Statement$/u; // for-in/of statements don't have `test` property.
+const GROUP_PATTERN = /^(?:BinaryExpression|ConditionalExpression)$/u;
+const SKIP_PATTERN = /^(?:ArrowFunction|Class|Function)Expression$/u;
+const DYNAMIC_PATTERN = /^(?:Call|Member|New|TaggedTemplate|Yield)Expression$/u;
+
+/**
+ * @typedef {Object} LoopConditionInfo
+ * @property {eslint-scope.Reference} reference - The reference.
+ * @property {ASTNode} group - BinaryExpression or ConditionalExpression nodes
+ *      that the reference is belonging to.
+ * @property {Function} isInLoop - The predicate which checks a given reference
+ *      is in this loop.
+ * @property {boolean} modified - The flag that the reference is modified in
+ *      this loop.
+ */
+
+/**
+ * Checks whether or not a given reference is a write reference.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is a write reference.
+ */
+function isWriteReference(reference) {
+    if (reference.init) {
+        const def = reference.resolved && reference.resolved.defs[0];
+
+        if (!def || def.type !== "Variable" || def.parent.kind !== "var") {
+            return false;
+        }
+    }
+    return reference.isWrite();
+}
+
+/**
+ * Checks whether or not a given loop condition info does not have the modified
+ * flag.
+ * @param {LoopConditionInfo} condition A loop condition info to check.
+ * @returns {boolean} `true` if the loop condition info is "unmodified".
+ */
+function isUnmodified(condition) {
+    return !condition.modified;
+}
+
+/**
+ * Checks whether or not a given loop condition info does not have the modified
+ * flag and does not have the group this condition belongs to.
+ * @param {LoopConditionInfo} condition A loop condition info to check.
+ * @returns {boolean} `true` if the loop condition info is "unmodified".
+ */
+function isUnmodifiedAndNotBelongToGroup(condition) {
+    return !(condition.modified || condition.group);
+}
+
+/**
+ * Checks whether or not a given reference is inside of a given node.
+ * @param {ASTNode} node A node to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the node.
+ */
+function isInRange(node, reference) {
+    const or = node.range;
+    const ir = reference.identifier.range;
+
+    return or[0] <= ir[0] && ir[1] <= or[1];
+}
+
+/**
+ * Checks whether or not a given reference is inside of a loop node's condition.
+ * @param {ASTNode} node A node to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the loop node's
+ *      condition.
+ */
+const isInLoop = {
+    WhileStatement: isInRange,
+    DoWhileStatement: isInRange,
+    ForStatement(node, reference) {
+        return (
+            isInRange(node, reference) &&
+            !(node.init && isInRange(node.init, reference))
+        );
+    }
+};
+
+/**
+ * Gets the function which encloses a given reference.
+ * This supports only FunctionDeclaration.
+ * @param {eslint-scope.Reference} reference A reference to get.
+ * @returns {ASTNode|null} The function node or null.
+ */
+function getEncloseFunctionDeclaration(reference) {
+    let node = reference.identifier;
+
+    while (node) {
+        if (node.type === "FunctionDeclaration") {
+            return node.id ? node : null;
+        }
+
+        node = node.parent;
+    }
+
+    return null;
+}
+
+/**
+ * Updates the "modified" flags of given loop conditions with given modifiers.
+ * @param {LoopConditionInfo[]} conditions The loop conditions to be updated.
+ * @param {eslint-scope.Reference[]} modifiers The references to update.
+ * @returns {void}
+ */
+function updateModifiedFlag(conditions, modifiers) {
+
+    for (let i = 0; i < conditions.length; ++i) {
+        const condition = conditions[i];
+
+        for (let j = 0; !condition.modified && j < modifiers.length; ++j) {
+            const modifier = modifiers[j];
+            let funcNode, funcVar;
+
+            /*
+             * Besides checking for the condition being in the loop, we want to
+             * check the function that this modifier is belonging to is called
+             * in the loop.
+             * FIXME: This should probably be extracted to a function.
+             */
+            const inLoop = condition.isInLoop(modifier) || Boolean(
+                (funcNode = getEncloseFunctionDeclaration(modifier)) &&
+                (funcVar = astUtils.getVariableByName(modifier.from.upper, funcNode.id.name)) &&
+                funcVar.references.some(condition.isInLoop)
+            );
+
+            condition.modified = inLoop;
+        }
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow unmodified loop conditions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-unmodified-loop-condition"
+        },
+
+        schema: [],
+
+        messages: {
+            loopConditionNotModified: "'{{name}}' is not modified in this loop."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let groupMap = null;
+
+        /**
+         * Reports a given condition info.
+         * @param {LoopConditionInfo} condition A loop condition info to report.
+         * @returns {void}
+         */
+        function report(condition) {
+            const node = condition.reference.identifier;
+
+            context.report({
+                node,
+                messageId: "loopConditionNotModified",
+                data: node
+            });
+        }
+
+        /**
+         * Registers given conditions to the group the condition belongs to.
+         * @param {LoopConditionInfo[]} conditions A loop condition info to
+         *      register.
+         * @returns {void}
+         */
+        function registerConditionsToGroup(conditions) {
+            for (let i = 0; i < conditions.length; ++i) {
+                const condition = conditions[i];
+
+                if (condition.group) {
+                    let group = groupMap.get(condition.group);
+
+                    if (!group) {
+                        group = [];
+                        groupMap.set(condition.group, group);
+                    }
+                    group.push(condition);
+                }
+            }
+        }
+
+        /**
+         * Reports references which are inside of unmodified groups.
+         * @param {LoopConditionInfo[]} conditions A loop condition info to report.
+         * @returns {void}
+         */
+        function checkConditionsInGroup(conditions) {
+            if (conditions.every(isUnmodified)) {
+                conditions.forEach(report);
+            }
+        }
+
+        /**
+         * Checks whether or not a given group node has any dynamic elements.
+         * @param {ASTNode} root A node to check.
+         *      This node is one of BinaryExpression or ConditionalExpression.
+         * @returns {boolean} `true` if the node is dynamic.
+         */
+        function hasDynamicExpressions(root) {
+            let retv = false;
+
+            Traverser.traverse(root, {
+                visitorKeys: sourceCode.visitorKeys,
+                enter(node) {
+                    if (DYNAMIC_PATTERN.test(node.type)) {
+                        retv = true;
+                        this.break();
+                    } else if (SKIP_PATTERN.test(node.type)) {
+                        this.skip();
+                    }
+                }
+            });
+
+            return retv;
+        }
+
+        /**
+         * Creates the loop condition information from a given reference.
+         * @param {eslint-scope.Reference} reference A reference to create.
+         * @returns {LoopConditionInfo|null} Created loop condition info, or null.
+         */
+        function toLoopCondition(reference) {
+            if (reference.init) {
+                return null;
+            }
+
+            let group = null;
+            let child = reference.identifier;
+            let node = child.parent;
+
+            while (node) {
+                if (SENTINEL_PATTERN.test(node.type)) {
+                    if (LOOP_PATTERN.test(node.type) && node.test === child) {
+
+                        // This reference is inside of a loop condition.
+                        return {
+                            reference,
+                            group,
+                            isInLoop: isInLoop[node.type].bind(null, node),
+                            modified: false
+                        };
+                    }
+
+                    // This reference is outside of a loop condition.
+                    break;
+                }
+
+                /*
+                 * If it's inside of a group, OK if either operand is modified.
+                 * So stores the group this reference belongs to.
+                 */
+                if (GROUP_PATTERN.test(node.type)) {
+
+                    // If this expression is dynamic, no need to check.
+                    if (hasDynamicExpressions(node)) {
+                        break;
+                    } else {
+                        group = node;
+                    }
+                }
+
+                child = node;
+                node = node.parent;
+            }
+
+            return null;
+        }
+
+        /**
+         * Finds unmodified references which are inside of a loop condition.
+         * Then reports the references which are outside of groups.
+         * @param {eslint-scope.Variable} variable A variable to report.
+         * @returns {void}
+         */
+        function checkReferences(variable) {
+
+            // Gets references that exist in loop conditions.
+            const conditions = variable
+                .references
+                .map(toLoopCondition)
+                .filter(Boolean);
+
+            if (conditions.length === 0) {
+                return;
+            }
+
+            // Registers the conditions to belonging groups.
+            registerConditionsToGroup(conditions);
+
+            // Check the conditions are modified.
+            const modifiers = variable.references.filter(isWriteReference);
+
+            if (modifiers.length > 0) {
+                updateModifiedFlag(conditions, modifiers);
+            }
+
+            /*
+             * Reports the conditions which are not belonging to groups.
+             * Others will be reported after all variables are done.
+             */
+            conditions
+                .filter(isUnmodifiedAndNotBelongToGroup)
+                .forEach(report);
+        }
+
+        return {
+            "Program:exit"() {
+                const queue = [context.getScope()];
+
+                groupMap = new Map();
+
+                let scope;
+
+                while ((scope = queue.pop())) {
+                    queue.push(...scope.childScopes);
+                    scope.variables.forEach(checkReferences);
+                }
+
+                groupMap.forEach(checkConditionsInGroup);
+                groupMap = null;
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unneeded-ternary.js b/eslint/lib/rules/no-unneeded-ternary.js
new file mode 100644
index 0000000..d4438e2
--- /dev/null
+++ b/eslint/lib/rules/no-unneeded-ternary.js
@@ -0,0 +1,166 @@
+/**
+ * @fileoverview Rule to flag no-unneeded-ternary
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+// Operators that always result in a boolean value
+const BOOLEAN_OPERATORS = new Set(["==", "===", "!=", "!==", ">", ">=", "<", "<=", "in", "instanceof"]);
+const OPERATOR_INVERSES = {
+    "==": "!=",
+    "!=": "==",
+    "===": "!==",
+    "!==": "==="
+
+    // Operators like < and >= are not true inverses, since both will return false with NaN.
+};
+const OR_PRECEDENCE = astUtils.getPrecedence({ type: "LogicalExpression", operator: "||" });
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow ternary operators when simpler alternatives exist",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-unneeded-ternary"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    defaultAssignment: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            unnecessaryConditionalExpression: "Unnecessary use of boolean literals in conditional expression.",
+            unnecessaryConditionalAssignment: "Unnecessary use of conditional expression for default assignment."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const defaultAssignment = options.defaultAssignment !== false;
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Test if the node is a boolean literal
+         * @param {ASTNode} node The node to report.
+         * @returns {boolean} True if the its a boolean literal
+         * @private
+         */
+        function isBooleanLiteral(node) {
+            return node.type === "Literal" && typeof node.value === "boolean";
+        }
+
+        /**
+         * Creates an expression that represents the boolean inverse of the expression represented by the original node
+         * @param {ASTNode} node A node representing an expression
+         * @returns {string} A string representing an inverted expression
+         */
+        function invertExpression(node) {
+            if (node.type === "BinaryExpression" && Object.prototype.hasOwnProperty.call(OPERATOR_INVERSES, node.operator)) {
+                const operatorToken = sourceCode.getFirstTokenBetween(
+                    node.left,
+                    node.right,
+                    token => token.value === node.operator
+                );
+                const text = sourceCode.getText();
+
+                return text.slice(node.range[0],
+                    operatorToken.range[0]) + OPERATOR_INVERSES[node.operator] + text.slice(operatorToken.range[1], node.range[1]);
+            }
+
+            if (astUtils.getPrecedence(node) < astUtils.getPrecedence({ type: "UnaryExpression" })) {
+                return `!(${astUtils.getParenthesisedText(sourceCode, node)})`;
+            }
+            return `!${astUtils.getParenthesisedText(sourceCode, node)}`;
+        }
+
+        /**
+         * Tests if a given node always evaluates to a boolean value
+         * @param {ASTNode} node An expression node
+         * @returns {boolean} True if it is determined that the node will always evaluate to a boolean value
+         */
+        function isBooleanExpression(node) {
+            return node.type === "BinaryExpression" && BOOLEAN_OPERATORS.has(node.operator) ||
+                node.type === "UnaryExpression" && node.operator === "!";
+        }
+
+        /**
+         * Test if the node matches the pattern id ? id : expression
+         * @param {ASTNode} node The ConditionalExpression to check.
+         * @returns {boolean} True if the pattern is matched, and false otherwise
+         * @private
+         */
+        function matchesDefaultAssignment(node) {
+            return node.test.type === "Identifier" &&
+                   node.consequent.type === "Identifier" &&
+                   node.test.name === node.consequent.name;
+        }
+
+        return {
+
+            ConditionalExpression(node) {
+                if (isBooleanLiteral(node.alternate) && isBooleanLiteral(node.consequent)) {
+                    context.report({
+                        node,
+                        loc: node.consequent.loc.start,
+                        messageId: "unnecessaryConditionalExpression",
+                        fix(fixer) {
+                            if (node.consequent.value === node.alternate.value) {
+
+                                // Replace `foo ? true : true` with just `true`, but don't replace `foo() ? true : true`
+                                return node.test.type === "Identifier" ? fixer.replaceText(node, node.consequent.value.toString()) : null;
+                            }
+                            if (node.alternate.value) {
+
+                                // Replace `foo() ? false : true` with `!(foo())`
+                                return fixer.replaceText(node, invertExpression(node.test));
+                            }
+
+                            // Replace `foo ? true : false` with `foo` if `foo` is guaranteed to be a boolean, or `!!foo` otherwise.
+
+                            return fixer.replaceText(node, isBooleanExpression(node.test) ? astUtils.getParenthesisedText(sourceCode, node.test) : `!${invertExpression(node.test)}`);
+                        }
+                    });
+                } else if (!defaultAssignment && matchesDefaultAssignment(node)) {
+                    context.report({
+                        node,
+                        loc: node.consequent.loc.start,
+                        messageId: "unnecessaryConditionalAssignment",
+                        fix: fixer => {
+                            const shouldParenthesizeAlternate = (
+                                astUtils.getPrecedence(node.alternate) < OR_PRECEDENCE &&
+                                !astUtils.isParenthesised(sourceCode, node.alternate)
+                            );
+                            const alternateText = shouldParenthesizeAlternate
+                                ? `(${sourceCode.getText(node.alternate)})`
+                                : astUtils.getParenthesisedText(sourceCode, node.alternate);
+                            const testText = astUtils.getParenthesisedText(sourceCode, node.test);
+
+                            return fixer.replaceText(node, `${testText} || ${alternateText}`);
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unreachable.js b/eslint/lib/rules/no-unreachable.js
new file mode 100644
index 0000000..415631a
--- /dev/null
+++ b/eslint/lib/rules/no-unreachable.js
@@ -0,0 +1,218 @@
+/**
+ * @fileoverview Checks for unreachable code due to return, throws, break, and continue.
+ * @author Joel Feenstra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given variable declarator has the initializer.
+ * @param {ASTNode} node A VariableDeclarator node to check.
+ * @returns {boolean} `true` if the node has the initializer.
+ */
+function isInitialized(node) {
+    return Boolean(node.init);
+}
+
+/**
+ * Checks whether or not a given code path segment is unreachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is unreachable.
+ */
+function isUnreachable(segment) {
+    return !segment.reachable;
+}
+
+/**
+ * The class to distinguish consecutive unreachable statements.
+ */
+class ConsecutiveRange {
+    constructor(sourceCode) {
+        this.sourceCode = sourceCode;
+        this.startNode = null;
+        this.endNode = null;
+    }
+
+    /**
+     * The location object of this range.
+     * @type {Object}
+     */
+    get location() {
+        return {
+            start: this.startNode.loc.start,
+            end: this.endNode.loc.end
+        };
+    }
+
+    /**
+     * `true` if this range is empty.
+     * @type {boolean}
+     */
+    get isEmpty() {
+        return !(this.startNode && this.endNode);
+    }
+
+    /**
+     * Checks whether the given node is inside of this range.
+     * @param {ASTNode|Token} node The node to check.
+     * @returns {boolean} `true` if the node is inside of this range.
+     */
+    contains(node) {
+        return (
+            node.range[0] >= this.startNode.range[0] &&
+            node.range[1] <= this.endNode.range[1]
+        );
+    }
+
+    /**
+     * Checks whether the given node is consecutive to this range.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if the node is consecutive to this range.
+     */
+    isConsecutive(node) {
+        return this.contains(this.sourceCode.getTokenBefore(node));
+    }
+
+    /**
+     * Merges the given node to this range.
+     * @param {ASTNode} node The node to merge.
+     * @returns {void}
+     */
+    merge(node) {
+        this.endNode = node;
+    }
+
+    /**
+     * Resets this range by the given node or null.
+     * @param {ASTNode|null} node The node to reset, or null.
+     * @returns {void}
+     */
+    reset(node) {
+        this.startNode = this.endNode = node;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow unreachable code after `return`, `throw`, `continue`, and `break` statements",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unreachable"
+        },
+
+        schema: [],
+
+        messages: {
+            unreachableCode: "Unreachable code."
+        }
+    },
+
+    create(context) {
+        let currentCodePath = null;
+
+        const range = new ConsecutiveRange(context.getSourceCode());
+
+        /**
+         * Reports a given node if it's unreachable.
+         * @param {ASTNode} node A statement node to report.
+         * @returns {void}
+         */
+        function reportIfUnreachable(node) {
+            let nextNode = null;
+
+            if (node && currentCodePath.currentSegments.every(isUnreachable)) {
+
+                // Store this statement to distinguish consecutive statements.
+                if (range.isEmpty) {
+                    range.reset(node);
+                    return;
+                }
+
+                // Skip if this statement is inside of the current range.
+                if (range.contains(node)) {
+                    return;
+                }
+
+                // Merge if this statement is consecutive to the current range.
+                if (range.isConsecutive(node)) {
+                    range.merge(node);
+                    return;
+                }
+
+                nextNode = node;
+            }
+
+            /*
+             * Report the current range since this statement is reachable or is
+             * not consecutive to the current range.
+             */
+            if (!range.isEmpty) {
+                context.report({
+                    messageId: "unreachableCode",
+                    loc: range.location,
+                    node: range.startNode
+                });
+            }
+
+            // Update the current range.
+            range.reset(nextNode);
+        }
+
+        return {
+
+            // Manages the current code path.
+            onCodePathStart(codePath) {
+                currentCodePath = codePath;
+            },
+
+            onCodePathEnd() {
+                currentCodePath = currentCodePath.upper;
+            },
+
+            // Registers for all statement nodes (excludes FunctionDeclaration).
+            BlockStatement: reportIfUnreachable,
+            BreakStatement: reportIfUnreachable,
+            ClassDeclaration: reportIfUnreachable,
+            ContinueStatement: reportIfUnreachable,
+            DebuggerStatement: reportIfUnreachable,
+            DoWhileStatement: reportIfUnreachable,
+            ExpressionStatement: reportIfUnreachable,
+            ForInStatement: reportIfUnreachable,
+            ForOfStatement: reportIfUnreachable,
+            ForStatement: reportIfUnreachable,
+            IfStatement: reportIfUnreachable,
+            ImportDeclaration: reportIfUnreachable,
+            LabeledStatement: reportIfUnreachable,
+            ReturnStatement: reportIfUnreachable,
+            SwitchStatement: reportIfUnreachable,
+            ThrowStatement: reportIfUnreachable,
+            TryStatement: reportIfUnreachable,
+
+            VariableDeclaration(node) {
+                if (node.kind !== "var" || node.declarations.some(isInitialized)) {
+                    reportIfUnreachable(node);
+                }
+            },
+
+            WhileStatement: reportIfUnreachable,
+            WithStatement: reportIfUnreachable,
+            ExportNamedDeclaration: reportIfUnreachable,
+            ExportDefaultDeclaration: reportIfUnreachable,
+            ExportAllDeclaration: reportIfUnreachable,
+
+            "Program:exit"() {
+                reportIfUnreachable();
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unsafe-finally.js b/eslint/lib/rules/no-unsafe-finally.js
new file mode 100644
index 0000000..11bf06e
--- /dev/null
+++ b/eslint/lib/rules/no-unsafe-finally.js
@@ -0,0 +1,111 @@
+/**
+ * @fileoverview Rule to flag unsafe statements in finally block
+ * @author Onur Temizkan
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_NODE_TYPE_RETURN_THROW = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression)$/u;
+const SENTINEL_NODE_TYPE_BREAK = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement|SwitchStatement)$/u;
+const SENTINEL_NODE_TYPE_CONTINUE = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement)$/u;
+
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow control flow statements in `finally` blocks",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unsafe-finally"
+        },
+
+        schema: [],
+
+        messages: {
+            unsafeUsage: "Unsafe usage of {{nodeType}}."
+        }
+    },
+    create(context) {
+
+        /**
+         * Checks if the node is the finalizer of a TryStatement
+         * @param {ASTNode} node node to check.
+         * @returns {boolean} - true if the node is the finalizer of a TryStatement
+         */
+        function isFinallyBlock(node) {
+            return node.parent.type === "TryStatement" && node.parent.finalizer === node;
+        }
+
+        /**
+         * Climbs up the tree if the node is not a sentinel node
+         * @param {ASTNode} node node to check.
+         * @param {string} label label of the break or continue statement
+         * @returns {boolean} - return whether the node is a finally block or a sentinel node
+         */
+        function isInFinallyBlock(node, label) {
+            let labelInside = false;
+            let sentinelNodeType;
+
+            if (node.type === "BreakStatement" && !node.label) {
+                sentinelNodeType = SENTINEL_NODE_TYPE_BREAK;
+            } else if (node.type === "ContinueStatement") {
+                sentinelNodeType = SENTINEL_NODE_TYPE_CONTINUE;
+            } else {
+                sentinelNodeType = SENTINEL_NODE_TYPE_RETURN_THROW;
+            }
+
+            for (
+                let currentNode = node;
+                currentNode && !sentinelNodeType.test(currentNode.type);
+                currentNode = currentNode.parent
+            ) {
+                if (currentNode.parent.label && label && (currentNode.parent.label.name === label.name)) {
+                    labelInside = true;
+                }
+                if (isFinallyBlock(currentNode)) {
+                    if (label && labelInside) {
+                        return false;
+                    }
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        /**
+         * Checks whether the possibly-unsafe statement is inside a finally block.
+         * @param {ASTNode} node node to check.
+         * @returns {void}
+         */
+        function check(node) {
+            if (isInFinallyBlock(node, node.label)) {
+                context.report({
+                    messageId: "unsafeUsage",
+                    data: {
+                        nodeType: node.type
+                    },
+                    node,
+                    line: node.loc.line,
+                    column: node.loc.column
+                });
+            }
+        }
+
+        return {
+            ReturnStatement: check,
+            ThrowStatement: check,
+            BreakStatement: check,
+            ContinueStatement: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unsafe-negation.js b/eslint/lib/rules/no-unsafe-negation.js
new file mode 100644
index 0000000..a9c2ee7
--- /dev/null
+++ b/eslint/lib/rules/no-unsafe-negation.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Rule to disallow negating the left operand of relational operators
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether the given operator is `in` or `instanceof`
+ * @param {string} op The operator type to check.
+ * @returns {boolean} `true` if the operator is `in` or `instanceof`
+ */
+function isInOrInstanceOfOperator(op) {
+    return op === "in" || op === "instanceof";
+}
+
+/**
+ * Checks whether the given operator is an ordering relational operator or not.
+ * @param {string} op The operator type to check.
+ * @returns {boolean} `true` if the operator is an ordering relational operator.
+ */
+function isOrderingRelationalOperator(op) {
+    return op === "<" || op === ">" || op === ">=" || op === "<=";
+}
+
+/**
+ * Checks whether the given node is a logical negation expression or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a logical negation expression.
+ */
+function isNegation(node) {
+    return node.type === "UnaryExpression" && node.operator === "!";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow negating the left operand of relational operators",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unsafe-negation",
+            suggestion: true
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    enforceForOrderingRelations: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: null,
+
+        messages: {
+            unexpected: "Unexpected negating the left operand of '{{operator}}' operator.",
+            suggestNegatedExpression: "Negate '{{operator}}' expression instead of its left operand. This changes the current behavior.",
+            suggestParenthesisedNegation: "Wrap negation in '()' to make the intention explicit. This preserves the current behavior."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = context.options[0] || {};
+        const enforceForOrderingRelations = options.enforceForOrderingRelations === true;
+
+        return {
+            BinaryExpression(node) {
+                const operator = node.operator;
+                const orderingRelationRuleApplies = enforceForOrderingRelations && isOrderingRelationalOperator(operator);
+
+                if (
+                    (isInOrInstanceOfOperator(operator) || orderingRelationRuleApplies) &&
+                    isNegation(node.left) &&
+                    !astUtils.isParenthesised(sourceCode, node.left)
+                ) {
+                    context.report({
+                        node,
+                        loc: node.left.loc,
+                        messageId: "unexpected",
+                        data: { operator },
+                        suggest: [
+                            {
+                                messageId: "suggestNegatedExpression",
+                                data: { operator },
+                                fix(fixer) {
+                                    const negationToken = sourceCode.getFirstToken(node.left);
+                                    const fixRange = [negationToken.range[1], node.range[1]];
+                                    const text = sourceCode.text.slice(fixRange[0], fixRange[1]);
+
+                                    return fixer.replaceTextRange(fixRange, `(${text})`);
+                                }
+                            },
+                            {
+                                messageId: "suggestParenthesisedNegation",
+                                fix(fixer) {
+                                    return fixer.replaceText(node.left, `(${sourceCode.getText(node.left)})`);
+                                }
+                            }
+                        ]
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unused-expressions.js b/eslint/lib/rules/no-unused-expressions.js
new file mode 100644
index 0000000..26a25b7
--- /dev/null
+++ b/eslint/lib/rules/no-unused-expressions.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview Flag expressions in statement position that do not side effect
+ * @author Michael Ficarra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unused expressions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-unused-expressions"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowShortCircuit: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowTernary: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowTaggedTemplates: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unusedExpression: "Expected an assignment or function call and instead saw an expression."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0] || {},
+            allowShortCircuit = config.allowShortCircuit || false,
+            allowTernary = config.allowTernary || false,
+            allowTaggedTemplates = config.allowTaggedTemplates || false;
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node any node
+         * @returns {boolean} whether the given node structurally represents a directive
+         */
+        function looksLikeDirective(node) {
+            return node.type === "ExpressionStatement" &&
+                node.expression.type === "Literal" && typeof node.expression.value === "string";
+        }
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {Function} predicate ([a] -> Boolean) the function used to make the determination
+         * @param {a[]} list the input list
+         * @returns {a[]} the leading sequence of members in the given list that pass the given predicate
+         */
+        function takeWhile(predicate, list) {
+            for (let i = 0; i < list.length; ++i) {
+                if (!predicate(list[i])) {
+                    return list.slice(0, i);
+                }
+            }
+            return list.slice();
+        }
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node a Program or BlockStatement node
+         * @returns {ASTNode[]} the leading sequence of directive nodes in the given node's body
+         */
+        function directives(node) {
+            return takeWhile(looksLikeDirective, node.body);
+        }
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node any node
+         * @param {ASTNode[]} ancestors the given node's ancestors
+         * @returns {boolean} whether the given node is considered a directive in its current position
+         */
+        function isDirective(node, ancestors) {
+            const parent = ancestors[ancestors.length - 1],
+                grandparent = ancestors[ancestors.length - 2];
+
+            return (parent.type === "Program" || parent.type === "BlockStatement" &&
+                    (/Function/u.test(grandparent.type))) &&
+                    directives(parent).indexOf(node) >= 0;
+        }
+
+        /**
+         * Determines whether or not a given node is a valid expression. Recurses on short circuit eval and ternary nodes if enabled by flags.
+         * @param {ASTNode} node any node
+         * @returns {boolean} whether the given node is a valid expression
+         */
+        function isValidExpression(node) {
+            if (allowTernary) {
+
+                // Recursive check for ternary and logical expressions
+                if (node.type === "ConditionalExpression") {
+                    return isValidExpression(node.consequent) && isValidExpression(node.alternate);
+                }
+            }
+
+            if (allowShortCircuit) {
+                if (node.type === "LogicalExpression") {
+                    return isValidExpression(node.right);
+                }
+            }
+
+            if (allowTaggedTemplates && node.type === "TaggedTemplateExpression") {
+                return true;
+            }
+
+            return /^(?:Assignment|Call|New|Update|Yield|Await)Expression$/u.test(node.type) ||
+                (node.type === "UnaryExpression" && ["delete", "void"].indexOf(node.operator) >= 0);
+        }
+
+        return {
+            ExpressionStatement(node) {
+                if (!isValidExpression(node.expression) && !isDirective(node, context.getAncestors())) {
+                    context.report({ node, messageId: "unusedExpression" });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-unused-labels.js b/eslint/lib/rules/no-unused-labels.js
new file mode 100644
index 0000000..b33fcb7
--- /dev/null
+++ b/eslint/lib/rules/no-unused-labels.js
@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Rule to disallow unused labels.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unused labels",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unused-labels"
+        },
+
+        schema: [],
+
+        fixable: "code",
+
+        messages: {
+            unused: "'{{name}}:' is defined but never used."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let scopeInfo = null;
+
+        /**
+         * Adds a scope info to the stack.
+         * @param {ASTNode} node A node to add. This is a LabeledStatement.
+         * @returns {void}
+         */
+        function enterLabeledScope(node) {
+            scopeInfo = {
+                label: node.label.name,
+                used: false,
+                upper: scopeInfo
+            };
+        }
+
+        /**
+         * Removes the top of the stack.
+         * At the same time, this reports the label if it's never used.
+         * @param {ASTNode} node A node to report. This is a LabeledStatement.
+         * @returns {void}
+         */
+        function exitLabeledScope(node) {
+            if (!scopeInfo.used) {
+                context.report({
+                    node: node.label,
+                    messageId: "unused",
+                    data: node.label,
+                    fix(fixer) {
+
+                        /*
+                         * Only perform a fix if there are no comments between the label and the body. This will be the case
+                         * when there is exactly one token/comment (the ":") between the label and the body.
+                         */
+                        if (sourceCode.getTokenAfter(node.label, { includeComments: true }) ===
+                                sourceCode.getTokenBefore(node.body, { includeComments: true })) {
+                            return fixer.removeRange([node.range[0], node.body.range[0]]);
+                        }
+
+                        return null;
+                    }
+                });
+            }
+
+            scopeInfo = scopeInfo.upper;
+        }
+
+        /**
+         * Marks the label of a given node as used.
+         * @param {ASTNode} node A node to mark. This is a BreakStatement or
+         *      ContinueStatement.
+         * @returns {void}
+         */
+        function markAsUsed(node) {
+            if (!node.label) {
+                return;
+            }
+
+            const label = node.label.name;
+            let info = scopeInfo;
+
+            while (info) {
+                if (info.label === label) {
+                    info.used = true;
+                    break;
+                }
+                info = info.upper;
+            }
+        }
+
+        return {
+            LabeledStatement: enterLabeledScope,
+            "LabeledStatement:exit": exitLabeledScope,
+            BreakStatement: markAsUsed,
+            ContinueStatement: markAsUsed
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-unused-vars.js b/eslint/lib/rules/no-unused-vars.js
new file mode 100644
index 0000000..18c48bf
--- /dev/null
+++ b/eslint/lib/rules/no-unused-vars.js
@@ -0,0 +1,645 @@
+/**
+ * @fileoverview Rule to flag declared but unused variables
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Bag of data used for formatting the `unusedVar` lint message.
+ * @typedef {Object} UnusedVarMessageData
+ * @property {string} varName The name of the unused var.
+ * @property {'defined'|'assigned a value'} action Description of the vars state.
+ * @property {string} additional Any additional info to be appended at the end.
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow unused variables",
+            category: "Variables",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-unused-vars"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["all", "local"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            vars: {
+                                enum: ["all", "local"]
+                            },
+                            varsIgnorePattern: {
+                                type: "string"
+                            },
+                            args: {
+                                enum: ["all", "after-used", "none"]
+                            },
+                            ignoreRestSiblings: {
+                                type: "boolean"
+                            },
+                            argsIgnorePattern: {
+                                type: "string"
+                            },
+                            caughtErrors: {
+                                enum: ["all", "none"]
+                            },
+                            caughtErrorsIgnorePattern: {
+                                type: "string"
+                            }
+                        }
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unusedVar: "'{{varName}}' is {{action}} but never used{{additional}}."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        const REST_PROPERTY_TYPE = /^(?:RestElement|(?:Experimental)?RestProperty)$/u;
+
+        const config = {
+            vars: "all",
+            args: "after-used",
+            ignoreRestSiblings: false,
+            caughtErrors: "none"
+        };
+
+        const firstOption = context.options[0];
+
+        if (firstOption) {
+            if (typeof firstOption === "string") {
+                config.vars = firstOption;
+            } else {
+                config.vars = firstOption.vars || config.vars;
+                config.args = firstOption.args || config.args;
+                config.ignoreRestSiblings = firstOption.ignoreRestSiblings || config.ignoreRestSiblings;
+                config.caughtErrors = firstOption.caughtErrors || config.caughtErrors;
+
+                if (firstOption.varsIgnorePattern) {
+                    config.varsIgnorePattern = new RegExp(firstOption.varsIgnorePattern, "u");
+                }
+
+                if (firstOption.argsIgnorePattern) {
+                    config.argsIgnorePattern = new RegExp(firstOption.argsIgnorePattern, "u");
+                }
+
+                if (firstOption.caughtErrorsIgnorePattern) {
+                    config.caughtErrorsIgnorePattern = new RegExp(firstOption.caughtErrorsIgnorePattern, "u");
+                }
+            }
+        }
+
+        /**
+         * Generates the message data about the variable being defined and unused,
+         * including the ignore pattern if configured.
+         * @param {Variable} unusedVar eslint-scope variable object.
+         * @returns {UnusedVarMessageData} The message data to be used with this unused variable.
+         */
+        function getDefinedMessageData(unusedVar) {
+            const defType = unusedVar.defs && unusedVar.defs[0] && unusedVar.defs[0].type;
+            let type;
+            let pattern;
+
+            if (defType === "CatchClause" && config.caughtErrorsIgnorePattern) {
+                type = "args";
+                pattern = config.caughtErrorsIgnorePattern.toString();
+            } else if (defType === "Parameter" && config.argsIgnorePattern) {
+                type = "args";
+                pattern = config.argsIgnorePattern.toString();
+            } else if (defType !== "Parameter" && config.varsIgnorePattern) {
+                type = "vars";
+                pattern = config.varsIgnorePattern.toString();
+            }
+
+            const additional = type ? `. Allowed unused ${type} must match ${pattern}` : "";
+
+            return {
+                varName: unusedVar.name,
+                action: "defined",
+                additional
+            };
+        }
+
+        /**
+         * Generate the warning message about the variable being
+         * assigned and unused, including the ignore pattern if configured.
+         * @param {Variable} unusedVar eslint-scope variable object.
+         * @returns {UnusedVarMessageData} The message data to be used with this unused variable.
+         */
+        function getAssignedMessageData(unusedVar) {
+            const additional = config.varsIgnorePattern ? `. Allowed unused vars must match ${config.varsIgnorePattern.toString()}` : "";
+
+            return {
+                varName: unusedVar.name,
+                action: "assigned a value",
+                additional
+            };
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const STATEMENT_TYPE = /(?:Statement|Declaration)$/u;
+
+        /**
+         * Determines if a given variable is being exported from a module.
+         * @param {Variable} variable eslint-scope variable object.
+         * @returns {boolean} True if the variable is exported, false if not.
+         * @private
+         */
+        function isExported(variable) {
+
+            const definition = variable.defs[0];
+
+            if (definition) {
+
+                let node = definition.node;
+
+                if (node.type === "VariableDeclarator") {
+                    node = node.parent;
+                } else if (definition.type === "Parameter") {
+                    return false;
+                }
+
+                return node.parent.type.indexOf("Export") === 0;
+            }
+            return false;
+
+        }
+
+        /**
+         * Determines if a variable has a sibling rest property
+         * @param {Variable} variable eslint-scope variable object.
+         * @returns {boolean} True if the variable is exported, false if not.
+         * @private
+         */
+        function hasRestSpreadSibling(variable) {
+            if (config.ignoreRestSiblings) {
+                return variable.defs.some(def => {
+                    const propertyNode = def.name.parent;
+                    const patternNode = propertyNode.parent;
+
+                    return (
+                        propertyNode.type === "Property" &&
+                        patternNode.type === "ObjectPattern" &&
+                        REST_PROPERTY_TYPE.test(patternNode.properties[patternNode.properties.length - 1].type)
+                    );
+                });
+            }
+
+            return false;
+        }
+
+        /**
+         * Determines if a reference is a read operation.
+         * @param {Reference} ref An eslint-scope Reference
+         * @returns {boolean} whether the given reference represents a read operation
+         * @private
+         */
+        function isReadRef(ref) {
+            return ref.isRead();
+        }
+
+        /**
+         * Determine if an identifier is referencing an enclosing function name.
+         * @param {Reference} ref The reference to check.
+         * @param {ASTNode[]} nodes The candidate function nodes.
+         * @returns {boolean} True if it's a self-reference, false if not.
+         * @private
+         */
+        function isSelfReference(ref, nodes) {
+            let scope = ref.from;
+
+            while (scope) {
+                if (nodes.indexOf(scope.block) >= 0) {
+                    return true;
+                }
+
+                scope = scope.upper;
+            }
+
+            return false;
+        }
+
+        /**
+         * Gets a list of function definitions for a specified variable.
+         * @param {Variable} variable eslint-scope variable object.
+         * @returns {ASTNode[]} Function nodes.
+         * @private
+         */
+        function getFunctionDefinitions(variable) {
+            const functionDefinitions = [];
+
+            variable.defs.forEach(def => {
+                const { type, node } = def;
+
+                // FunctionDeclarations
+                if (type === "FunctionName") {
+                    functionDefinitions.push(node);
+                }
+
+                // FunctionExpressions
+                if (type === "Variable" && node.init &&
+                    (node.init.type === "FunctionExpression" || node.init.type === "ArrowFunctionExpression")) {
+                    functionDefinitions.push(node.init);
+                }
+            });
+            return functionDefinitions;
+        }
+
+        /**
+         * Checks the position of given nodes.
+         * @param {ASTNode} inner A node which is expected as inside.
+         * @param {ASTNode} outer A node which is expected as outside.
+         * @returns {boolean} `true` if the `inner` node exists in the `outer` node.
+         * @private
+         */
+        function isInside(inner, outer) {
+            return (
+                inner.range[0] >= outer.range[0] &&
+                inner.range[1] <= outer.range[1]
+            );
+        }
+
+        /**
+         * If a given reference is left-hand side of an assignment, this gets
+         * the right-hand side node of the assignment.
+         *
+         * In the following cases, this returns null.
+         *
+         * - The reference is not the LHS of an assignment expression.
+         * - The reference is inside of a loop.
+         * - The reference is inside of a function scope which is different from
+         *   the declaration.
+         * @param {eslint-scope.Reference} ref A reference to check.
+         * @param {ASTNode} prevRhsNode The previous RHS node.
+         * @returns {ASTNode|null} The RHS node or null.
+         * @private
+         */
+        function getRhsNode(ref, prevRhsNode) {
+            const id = ref.identifier;
+            const parent = id.parent;
+            const grandparent = parent.parent;
+            const refScope = ref.from.variableScope;
+            const varScope = ref.resolved.scope.variableScope;
+            const canBeUsedLater = refScope !== varScope || astUtils.isInLoop(id);
+
+            /*
+             * Inherits the previous node if this reference is in the node.
+             * This is for `a = a + a`-like code.
+             */
+            if (prevRhsNode && isInside(id, prevRhsNode)) {
+                return prevRhsNode;
+            }
+
+            if (parent.type === "AssignmentExpression" &&
+                grandparent.type === "ExpressionStatement" &&
+                id === parent.left &&
+                !canBeUsedLater
+            ) {
+                return parent.right;
+            }
+            return null;
+        }
+
+        /**
+         * Checks whether a given function node is stored to somewhere or not.
+         * If the function node is stored, the function can be used later.
+         * @param {ASTNode} funcNode A function node to check.
+         * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+         * @returns {boolean} `true` if under the following conditions:
+         *      - the funcNode is assigned to a variable.
+         *      - the funcNode is bound as an argument of a function call.
+         *      - the function is bound to a property and the object satisfies above conditions.
+         * @private
+         */
+        function isStorableFunction(funcNode, rhsNode) {
+            let node = funcNode;
+            let parent = funcNode.parent;
+
+            while (parent && isInside(parent, rhsNode)) {
+                switch (parent.type) {
+                    case "SequenceExpression":
+                        if (parent.expressions[parent.expressions.length - 1] !== node) {
+                            return false;
+                        }
+                        break;
+
+                    case "CallExpression":
+                    case "NewExpression":
+                        return parent.callee !== node;
+
+                    case "AssignmentExpression":
+                    case "TaggedTemplateExpression":
+                    case "YieldExpression":
+                        return true;
+
+                    default:
+                        if (STATEMENT_TYPE.test(parent.type)) {
+
+                            /*
+                             * If it encountered statements, this is a complex pattern.
+                             * Since analyzing complex patterns is hard, this returns `true` to avoid false positive.
+                             */
+                            return true;
+                        }
+                }
+
+                node = parent;
+                parent = parent.parent;
+            }
+
+            return false;
+        }
+
+        /**
+         * Checks whether a given Identifier node exists inside of a function node which can be used later.
+         *
+         * "can be used later" means:
+         * - the function is assigned to a variable.
+         * - the function is bound to a property and the object can be used later.
+         * - the function is bound as an argument of a function call.
+         *
+         * If a reference exists in a function which can be used later, the reference is read when the function is called.
+         * @param {ASTNode} id An Identifier node to check.
+         * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+         * @returns {boolean} `true` if the `id` node exists inside of a function node which can be used later.
+         * @private
+         */
+        function isInsideOfStorableFunction(id, rhsNode) {
+            const funcNode = astUtils.getUpperFunction(id);
+
+            return (
+                funcNode &&
+                isInside(funcNode, rhsNode) &&
+                isStorableFunction(funcNode, rhsNode)
+            );
+        }
+
+        /**
+         * Checks whether a given reference is a read to update itself or not.
+         * @param {eslint-scope.Reference} ref A reference to check.
+         * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+         * @returns {boolean} The reference is a read to update itself.
+         * @private
+         */
+        function isReadForItself(ref, rhsNode) {
+            const id = ref.identifier;
+            const parent = id.parent;
+            const grandparent = parent.parent;
+
+            return ref.isRead() && (
+
+                // self update. e.g. `a += 1`, `a++`
+                (// in RHS of an assignment for itself. e.g. `a = a + 1`
+                    ((
+                        parent.type === "AssignmentExpression" &&
+                    grandparent.type === "ExpressionStatement" &&
+                    parent.left === id
+                    ) ||
+                (
+                    parent.type === "UpdateExpression" &&
+                    grandparent.type === "ExpressionStatement"
+                ) || rhsNode &&
+                isInside(id, rhsNode) &&
+                !isInsideOfStorableFunction(id, rhsNode)))
+            );
+        }
+
+        /**
+         * Determine if an identifier is used either in for-in loops.
+         * @param {Reference} ref The reference to check.
+         * @returns {boolean} whether reference is used in the for-in loops
+         * @private
+         */
+        function isForInRef(ref) {
+            let target = ref.identifier.parent;
+
+
+            // "for (var ...) { return; }"
+            if (target.type === "VariableDeclarator") {
+                target = target.parent.parent;
+            }
+
+            if (target.type !== "ForInStatement") {
+                return false;
+            }
+
+            // "for (...) { return; }"
+            if (target.body.type === "BlockStatement") {
+                target = target.body.body[0];
+
+            // "for (...) return;"
+            } else {
+                target = target.body;
+            }
+
+            // For empty loop body
+            if (!target) {
+                return false;
+            }
+
+            return target.type === "ReturnStatement";
+        }
+
+        /**
+         * Determines if the variable is used.
+         * @param {Variable} variable The variable to check.
+         * @returns {boolean} True if the variable is used
+         * @private
+         */
+        function isUsedVariable(variable) {
+            const functionNodes = getFunctionDefinitions(variable),
+                isFunctionDefinition = functionNodes.length > 0;
+            let rhsNode = null;
+
+            return variable.references.some(ref => {
+                if (isForInRef(ref)) {
+                    return true;
+                }
+
+                const forItself = isReadForItself(ref, rhsNode);
+
+                rhsNode = getRhsNode(ref, rhsNode);
+
+                return (
+                    isReadRef(ref) &&
+                    !forItself &&
+                    !(isFunctionDefinition && isSelfReference(ref, functionNodes))
+                );
+            });
+        }
+
+        /**
+         * Checks whether the given variable is after the last used parameter.
+         * @param {eslint-scope.Variable} variable The variable to check.
+         * @returns {boolean} `true` if the variable is defined after the last
+         * used parameter.
+         */
+        function isAfterLastUsedArg(variable) {
+            const def = variable.defs[0];
+            const params = context.getDeclaredVariables(def.node);
+            const posteriorParams = params.slice(params.indexOf(variable) + 1);
+
+            // If any used parameters occur after this parameter, do not report.
+            return !posteriorParams.some(v => v.references.length > 0 || v.eslintUsed);
+        }
+
+        /**
+         * Gets an array of variables without read references.
+         * @param {Scope} scope an eslint-scope Scope object.
+         * @param {Variable[]} unusedVars an array that saving result.
+         * @returns {Variable[]} unused variables of the scope and descendant scopes.
+         * @private
+         */
+        function collectUnusedVariables(scope, unusedVars) {
+            const variables = scope.variables;
+            const childScopes = scope.childScopes;
+            let i, l;
+
+            if (scope.type !== "global" || config.vars === "all") {
+                for (i = 0, l = variables.length; i < l; ++i) {
+                    const variable = variables[i];
+
+                    // skip a variable of class itself name in the class scope
+                    if (scope.type === "class" && scope.block.id === variable.identifiers[0]) {
+                        continue;
+                    }
+
+                    // skip function expression names and variables marked with markVariableAsUsed()
+                    if (scope.functionExpressionScope || variable.eslintUsed) {
+                        continue;
+                    }
+
+                    // skip implicit "arguments" variable
+                    if (scope.type === "function" && variable.name === "arguments" && variable.identifiers.length === 0) {
+                        continue;
+                    }
+
+                    // explicit global variables don't have definitions.
+                    const def = variable.defs[0];
+
+                    if (def) {
+                        const type = def.type;
+
+                        // skip catch variables
+                        if (type === "CatchClause") {
+                            if (config.caughtErrors === "none") {
+                                continue;
+                            }
+
+                            // skip ignored parameters
+                            if (config.caughtErrorsIgnorePattern && config.caughtErrorsIgnorePattern.test(def.name.name)) {
+                                continue;
+                            }
+                        }
+
+                        if (type === "Parameter") {
+
+                            // skip any setter argument
+                            if ((def.node.parent.type === "Property" || def.node.parent.type === "MethodDefinition") && def.node.parent.kind === "set") {
+                                continue;
+                            }
+
+                            // if "args" option is "none", skip any parameter
+                            if (config.args === "none") {
+                                continue;
+                            }
+
+                            // skip ignored parameters
+                            if (config.argsIgnorePattern && config.argsIgnorePattern.test(def.name.name)) {
+                                continue;
+                            }
+
+                            // if "args" option is "after-used", skip used variables
+                            if (config.args === "after-used" && astUtils.isFunction(def.name.parent) && !isAfterLastUsedArg(variable)) {
+                                continue;
+                            }
+                        } else {
+
+                            // skip ignored variables
+                            if (config.varsIgnorePattern && config.varsIgnorePattern.test(def.name.name)) {
+                                continue;
+                            }
+                        }
+                    }
+
+                    if (!isUsedVariable(variable) && !isExported(variable) && !hasRestSpreadSibling(variable)) {
+                        unusedVars.push(variable);
+                    }
+                }
+            }
+
+            for (i = 0, l = childScopes.length; i < l; ++i) {
+                collectUnusedVariables(childScopes[i], unusedVars);
+            }
+
+            return unusedVars;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            "Program:exit"(programNode) {
+                const unusedVars = collectUnusedVariables(context.getScope(), []);
+
+                for (let i = 0, l = unusedVars.length; i < l; ++i) {
+                    const unusedVar = unusedVars[i];
+
+                    // Report the first declaration.
+                    if (unusedVar.defs.length > 0) {
+                        context.report({
+                            node: unusedVar.identifiers[0],
+                            messageId: "unusedVar",
+                            data: unusedVar.references.some(ref => ref.isWrite())
+                                ? getAssignedMessageData(unusedVar)
+                                : getDefinedMessageData(unusedVar)
+                        });
+
+                    // If there are no regular declaration, report the first `/*globals*/` comment directive.
+                    } else if (unusedVar.eslintExplicitGlobalComments) {
+                        const directiveComment = unusedVar.eslintExplicitGlobalComments[0];
+
+                        context.report({
+                            node: programNode,
+                            loc: astUtils.getNameLocationInGlobalDirectiveComment(sourceCode, directiveComment, unusedVar.name),
+                            messageId: "unusedVar",
+                            data: getDefinedMessageData(unusedVar)
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/no-use-before-define.js b/eslint/lib/rules/no-use-before-define.js
new file mode 100644
index 0000000..c730056
--- /dev/null
+++ b/eslint/lib/rules/no-use-before-define.js
@@ -0,0 +1,233 @@
+/**
+ * @fileoverview Rule to flag use of variables before they are defined
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_TYPE = /^(?:(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|CatchClause|ImportDeclaration|ExportNamedDeclaration)$/u;
+const FOR_IN_OF_TYPE = /^For(?:In|Of)Statement$/u;
+
+/**
+ * Parses a given value as options.
+ * @param {any} options A value to parse.
+ * @returns {Object} The parsed options.
+ */
+function parseOptions(options) {
+    let functions = true;
+    let classes = true;
+    let variables = true;
+
+    if (typeof options === "string") {
+        functions = (options !== "nofunc");
+    } else if (typeof options === "object" && options !== null) {
+        functions = options.functions !== false;
+        classes = options.classes !== false;
+        variables = options.variables !== false;
+    }
+
+    return { functions, classes, variables };
+}
+
+/**
+ * Checks whether or not a given variable is a function declaration.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function declaration.
+ */
+function isFunction(variable) {
+    return variable.defs[0].type === "FunctionName";
+}
+
+/**
+ * Checks whether or not a given variable is a class declaration in an upper function scope.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the variable is a class declaration.
+ */
+function isOuterClass(variable, reference) {
+    return (
+        variable.defs[0].type === "ClassName" &&
+        variable.scope.variableScope !== reference.from.variableScope
+    );
+}
+
+/**
+ * Checks whether or not a given variable is a variable declaration in an upper function scope.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the variable is a variable declaration.
+ */
+function isOuterVariable(variable, reference) {
+    return (
+        variable.defs[0].type === "Variable" &&
+        variable.scope.variableScope !== reference.from.variableScope
+    );
+}
+
+/**
+ * Checks whether or not a given location is inside of the range of a given node.
+ * @param {ASTNode} node An node to check.
+ * @param {number} location A location to check.
+ * @returns {boolean} `true` if the location is inside of the range of the node.
+ */
+function isInRange(node, location) {
+    return node && node.range[0] <= location && location <= node.range[1];
+}
+
+/**
+ * Checks whether or not a given reference is inside of the initializers of a given variable.
+ *
+ * This returns `true` in the following cases:
+ *
+ *     var a = a
+ *     var [a = a] = list
+ *     var {a = a} = obj
+ *     for (var a in a) {}
+ *     for (var a of a) {}
+ * @param {Variable} variable A variable to check.
+ * @param {Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the initializers.
+ */
+function isInInitializer(variable, reference) {
+    if (variable.scope !== reference.from) {
+        return false;
+    }
+
+    let node = variable.identifiers[0].parent;
+    const location = reference.identifier.range[1];
+
+    while (node) {
+        if (node.type === "VariableDeclarator") {
+            if (isInRange(node.init, location)) {
+                return true;
+            }
+            if (FOR_IN_OF_TYPE.test(node.parent.parent.type) &&
+                isInRange(node.parent.parent.right, location)
+            ) {
+                return true;
+            }
+            break;
+        } else if (node.type === "AssignmentPattern") {
+            if (isInRange(node.right, location)) {
+                return true;
+            }
+        } else if (SENTINEL_TYPE.test(node.type)) {
+            break;
+        }
+
+        node = node.parent;
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow the use of variables before they are defined",
+            category: "Variables",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-use-before-define"
+        },
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["nofunc"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            functions: { type: "boolean" },
+                            classes: { type: "boolean" },
+                            variables: { type: "boolean" }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            usedBeforeDefined: "'{{name}}' was used before it was defined."
+        }
+    },
+
+    create(context) {
+        const options = parseOptions(context.options[0]);
+
+        /**
+         * Determines whether a given use-before-define case should be reported according to the options.
+         * @param {eslint-scope.Variable} variable The variable that gets used before being defined
+         * @param {eslint-scope.Reference} reference The reference to the variable
+         * @returns {boolean} `true` if the usage should be reported
+         */
+        function isForbidden(variable, reference) {
+            if (isFunction(variable)) {
+                return options.functions;
+            }
+            if (isOuterClass(variable, reference)) {
+                return options.classes;
+            }
+            if (isOuterVariable(variable, reference)) {
+                return options.variables;
+            }
+            return true;
+        }
+
+        /**
+         * Finds and validates all variables in a given scope.
+         * @param {Scope} scope The scope object.
+         * @returns {void}
+         * @private
+         */
+        function findVariablesInScope(scope) {
+            scope.references.forEach(reference => {
+                const variable = reference.resolved;
+
+                /*
+                 * Skips when the reference is:
+                 * - initialization's.
+                 * - referring to an undefined variable.
+                 * - referring to a global environment variable (there're no identifiers).
+                 * - located preceded by the variable (except in initializers).
+                 * - allowed by options.
+                 */
+                if (reference.init ||
+                    !variable ||
+                    variable.identifiers.length === 0 ||
+                    (variable.identifiers[0].range[1] < reference.identifier.range[1] && !isInInitializer(variable, reference)) ||
+                    !isForbidden(variable, reference)
+                ) {
+                    return;
+                }
+
+                // Reports.
+                context.report({
+                    node: reference.identifier,
+                    messageId: "usedBeforeDefined",
+                    data: reference.identifier
+                });
+            });
+
+            scope.childScopes.forEach(findVariablesInScope);
+        }
+
+        return {
+            Program() {
+                findVariablesInScope(context.getScope());
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-backreference.js b/eslint/lib/rules/no-useless-backreference.js
new file mode 100644
index 0000000..8a6fbe1
--- /dev/null
+++ b/eslint/lib/rules/no-useless-backreference.js
@@ -0,0 +1,193 @@
+/**
+ * @fileoverview Rule to disallow useless backreferences in regular expressions
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { CALL, CONSTRUCT, ReferenceTracker, getStringIfConstant } = require("eslint-utils");
+const { RegExpParser, visitRegExpAST } = require("regexpp");
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const parser = new RegExpParser();
+
+/**
+ * Finds the path from the given `regexpp` AST node to the root node.
+ * @param {regexpp.Node} node Node.
+ * @returns {regexpp.Node[]} Array that starts with the given node and ends with the root node.
+ */
+function getPathToRoot(node) {
+    const path = [];
+    let current = node;
+
+    do {
+        path.push(current);
+        current = current.parent;
+    } while (current);
+
+    return path;
+}
+
+/**
+ * Determines whether the given `regexpp` AST node is a lookaround node.
+ * @param {regexpp.Node} node Node.
+ * @returns {boolean} `true` if it is a lookaround node.
+ */
+function isLookaround(node) {
+    return node.type === "Assertion" &&
+        (node.kind === "lookahead" || node.kind === "lookbehind");
+}
+
+/**
+ * Determines whether the given `regexpp` AST node is a negative lookaround node.
+ * @param {regexpp.Node} node Node.
+ * @returns {boolean} `true` if it is a negative lookaround node.
+ */
+function isNegativeLookaround(node) {
+    return isLookaround(node) && node.negate;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow useless backreferences in regular expressions",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-backreference"
+        },
+
+        schema: [],
+
+        messages: {
+            nested: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' from within that group.",
+            forward: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which appears later in the pattern.",
+            backward: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which appears before in the same lookbehind.",
+            disjunctive: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which is in another alternative.",
+            intoNegativeLookaround: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which is in a negative lookaround."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Checks and reports useless backreferences in the given regular expression.
+         * @param {ASTNode} node Node that represents regular expression. A regex literal or RegExp constructor call.
+         * @param {string} pattern Regular expression pattern.
+         * @param {string} flags Regular expression flags.
+         * @returns {void}
+         */
+        function checkRegex(node, pattern, flags) {
+            let regExpAST;
+
+            try {
+                regExpAST = parser.parsePattern(pattern, 0, pattern.length, flags.includes("u"));
+            } catch (e) {
+
+                // Ignore regular expressions with syntax errors
+                return;
+            }
+
+            visitRegExpAST(regExpAST, {
+                onBackreferenceEnter(bref) {
+                    const group = bref.resolved,
+                        brefPath = getPathToRoot(bref),
+                        groupPath = getPathToRoot(group);
+                    let messageId = null;
+
+                    if (brefPath.includes(group)) {
+
+                        // group is bref's ancestor => bref is nested ('nested reference') => group hasn't matched yet when bref starts to match.
+                        messageId = "nested";
+                    } else {
+
+                        // Start from the root to find the lowest common ancestor.
+                        let i = brefPath.length - 1,
+                            j = groupPath.length - 1;
+
+                        do {
+                            i--;
+                            j--;
+                        } while (brefPath[i] === groupPath[j]);
+
+                        const indexOfLowestCommonAncestor = j + 1,
+                            groupCut = groupPath.slice(0, indexOfLowestCommonAncestor),
+                            commonPath = groupPath.slice(indexOfLowestCommonAncestor),
+                            lowestCommonLookaround = commonPath.find(isLookaround),
+                            isMatchingBackward = lowestCommonLookaround && lowestCommonLookaround.kind === "lookbehind";
+
+                        if (!isMatchingBackward && bref.end <= group.start) {
+
+                            // bref is left, group is right ('forward reference') => group hasn't matched yet when bref starts to match.
+                            messageId = "forward";
+                        } else if (isMatchingBackward && group.end <= bref.start) {
+
+                            // the opposite of the previous when the regex is matching backward in a lookbehind context.
+                            messageId = "backward";
+                        } else if (lodash.last(groupCut).type === "Alternative") {
+
+                            // group's and bref's ancestor nodes below the lowest common ancestor are sibling alternatives => they're disjunctive.
+                            messageId = "disjunctive";
+                        } else if (groupCut.some(isNegativeLookaround)) {
+
+                            // group is in a negative lookaround which isn't bref's ancestor => group has already failed when bref starts to match.
+                            messageId = "intoNegativeLookaround";
+                        }
+                    }
+
+                    if (messageId) {
+                        context.report({
+                            node,
+                            messageId,
+                            data: {
+                                bref: bref.raw,
+                                group: group.raw
+                            }
+                        });
+                    }
+                }
+            });
+        }
+
+        return {
+            "Literal[regex]"(node) {
+                const { pattern, flags } = node.regex;
+
+                checkRegex(node, pattern, flags);
+            },
+            Program() {
+                const scope = context.getScope(),
+                    tracker = new ReferenceTracker(scope),
+                    traceMap = {
+                        RegExp: {
+                            [CALL]: true,
+                            [CONSTRUCT]: true
+                        }
+                    };
+
+                for (const { node } of tracker.iterateGlobalReferences(traceMap)) {
+                    const [patternNode, flagsNode] = node.arguments,
+                        pattern = getStringIfConstant(patternNode, scope),
+                        flags = getStringIfConstant(flagsNode, scope);
+
+                    if (typeof pattern === "string") {
+                        checkRegex(node, pattern, flags || "");
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-call.js b/eslint/lib/rules/no-useless-call.js
new file mode 100644
index 0000000..afc729d
--- /dev/null
+++ b/eslint/lib/rules/no-useless-call.js
@@ -0,0 +1,87 @@
+/**
+ * @fileoverview A rule to disallow unnecessary `.call()` and `.apply()`.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a `.call()`/`.apply()`.
+ * @param {ASTNode} node A CallExpression node to check.
+ * @returns {boolean} Whether or not the node is a `.call()`/`.apply()`.
+ */
+function isCallOrNonVariadicApply(node) {
+    return (
+        node.callee.type === "MemberExpression" &&
+        node.callee.property.type === "Identifier" &&
+        node.callee.computed === false &&
+        (
+            (node.callee.property.name === "call" && node.arguments.length >= 1) ||
+            (node.callee.property.name === "apply" && node.arguments.length === 2 && node.arguments[1].type === "ArrayExpression")
+        )
+    );
+}
+
+
+/**
+ * Checks whether or not `thisArg` is not changed by `.call()`/`.apply()`.
+ * @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
+ * @param {ASTNode} thisArg The node that is given to the first argument of the `.call()`/`.apply()`.
+ * @param {SourceCode} sourceCode The ESLint source code object.
+ * @returns {boolean} Whether or not `thisArg` is not changed by `.call()`/`.apply()`.
+ */
+function isValidThisArg(expectedThis, thisArg, sourceCode) {
+    if (!expectedThis) {
+        return astUtils.isNullOrUndefined(thisArg);
+    }
+    return astUtils.equalTokens(expectedThis, thisArg, sourceCode);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary calls to `.call()` and `.apply()`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-call"
+        },
+
+        schema: [],
+
+        messages: {
+            unnecessaryCall: "Unnecessary '.{{name}}()'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            CallExpression(node) {
+                if (!isCallOrNonVariadicApply(node)) {
+                    return;
+                }
+
+                const applied = node.callee.object;
+                const expectedThis = (applied.type === "MemberExpression") ? applied.object : null;
+                const thisArg = node.arguments[0];
+
+                if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
+                    context.report({ node, messageId: "unnecessaryCall", data: { name: node.callee.property.name } });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-catch.js b/eslint/lib/rules/no-useless-catch.js
new file mode 100644
index 0000000..f303c27
--- /dev/null
+++ b/eslint/lib/rules/no-useless-catch.js
@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Reports useless `catch` clauses that just rethrow their error.
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary `catch` clauses",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-useless-catch"
+        },
+
+        schema: [],
+
+        messages: {
+            unnecessaryCatchClause: "Unnecessary catch clause.",
+            unnecessaryCatch: "Unnecessary try/catch wrapper."
+        }
+    },
+
+    create(context) {
+        return {
+            CatchClause(node) {
+                if (
+                    node.param &&
+                    node.param.type === "Identifier" &&
+                    node.body.body.length &&
+                    node.body.body[0].type === "ThrowStatement" &&
+                    node.body.body[0].argument.type === "Identifier" &&
+                    node.body.body[0].argument.name === node.param.name
+                ) {
+                    if (node.parent.finalizer) {
+                        context.report({
+                            node,
+                            messageId: "unnecessaryCatchClause"
+                        });
+                    } else {
+                        context.report({
+                            node: node.parent,
+                            messageId: "unnecessaryCatch"
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-computed-key.js b/eslint/lib/rules/no-useless-computed-key.js
new file mode 100644
index 0000000..e0505a3
--- /dev/null
+++ b/eslint/lib/rules/no-useless-computed-key.js
@@ -0,0 +1,103 @@
+/**
+ * @fileoverview Rule to disallow unnecessary computed property keys in object literals
+ * @author Burak Yigit Kaya
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary computed property keys in objects and classes",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-computed-key"
+        },
+
+        schema: [{
+            type: "object",
+            properties: {
+                enforceForClassMembers: {
+                    type: "boolean",
+                    default: false
+                }
+            },
+            additionalProperties: false
+        }],
+        fixable: "code",
+
+        messages: {
+            unnecessarilyComputedProperty: "Unnecessarily computed property [{{property}}] found."
+        }
+    },
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const enforceForClassMembers = context.options[0] && context.options[0].enforceForClassMembers;
+
+        /**
+         * Reports a given node if it violated this rule.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function check(node) {
+            if (!node.computed) {
+                return;
+            }
+
+            const key = node.key,
+                nodeType = typeof key.value;
+
+            let allowedKey;
+
+            if (node.type === "MethodDefinition") {
+                allowedKey = node.static ? "prototype" : "constructor";
+            } else {
+                allowedKey = "__proto__";
+            }
+
+            if (key.type === "Literal" && (nodeType === "string" || nodeType === "number") && key.value !== allowedKey) {
+                context.report({
+                    node,
+                    messageId: "unnecessarilyComputedProperty",
+                    data: { property: sourceCode.getText(key) },
+                    fix(fixer) {
+                        const leftSquareBracket = sourceCode.getTokenBefore(key, astUtils.isOpeningBracketToken);
+                        const rightSquareBracket = sourceCode.getTokenAfter(key, astUtils.isClosingBracketToken);
+
+                        // If there are comments between the brackets and the property name, don't do a fix.
+                        if (sourceCode.commentsExistBetween(leftSquareBracket, rightSquareBracket)) {
+                            return null;
+                        }
+
+                        const tokenBeforeLeftBracket = sourceCode.getTokenBefore(leftSquareBracket);
+
+                        // Insert a space before the key to avoid changing identifiers, e.g. ({ get[2]() {} }) to ({ get2() {} })
+                        const needsSpaceBeforeKey = tokenBeforeLeftBracket.range[1] === leftSquareBracket.range[0] &&
+                            !astUtils.canTokensBeAdjacent(tokenBeforeLeftBracket, sourceCode.getFirstToken(key));
+
+                        const replacementKey = (needsSpaceBeforeKey ? " " : "") + key.raw;
+
+                        return fixer.replaceTextRange([leftSquareBracket.range[0], rightSquareBracket.range[1]], replacementKey);
+                    }
+                });
+            }
+        }
+
+        return {
+            Property: check,
+            MethodDefinition: enforceForClassMembers ? check : lodash.noop
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-concat.js b/eslint/lib/rules/no-useless-concat.js
new file mode 100644
index 0000000..aa46742
--- /dev/null
+++ b/eslint/lib/rules/no-useless-concat.js
@@ -0,0 +1,115 @@
+/**
+ * @fileoverview disallow unnecessary concatenation of template strings
+ * @author Henry Zhu
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a concatenation.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a concatenation.
+ */
+function isConcatenation(node) {
+    return node.type === "BinaryExpression" && node.operator === "+";
+}
+
+/**
+ * Checks if the given token is a `+` token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a `+` token.
+ */
+function isConcatOperatorToken(token) {
+    return token.value === "+" && token.type === "Punctuator";
+}
+
+/**
+ * Get's the right most node on the left side of a BinaryExpression with + operator.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {ASTNode} node
+ */
+function getLeft(node) {
+    let left = node.left;
+
+    while (isConcatenation(left)) {
+        left = left.right;
+    }
+    return left;
+}
+
+/**
+ * Get's the left most node on the right side of a BinaryExpression with + operator.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {ASTNode} node
+ */
+function getRight(node) {
+    let right = node.right;
+
+    while (isConcatenation(right)) {
+        right = right.left;
+    }
+    return right;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary concatenation of literals or template literals",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-concat"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedConcat: "Unexpected string concatenation of literals."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            BinaryExpression(node) {
+
+                // check if not concatenation
+                if (node.operator !== "+") {
+                    return;
+                }
+
+                // account for the `foo + "a" + "b"` case
+                const left = getLeft(node);
+                const right = getRight(node);
+
+                if (astUtils.isStringLiteral(left) &&
+                    astUtils.isStringLiteral(right) &&
+                    astUtils.isTokenOnSameLine(left, right)
+                ) {
+                    const operatorToken = sourceCode.getFirstTokenBetween(left, right, isConcatOperatorToken);
+
+                    context.report({
+                        node,
+                        loc: operatorToken.loc.start,
+                        messageId: "unexpectedConcat"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-constructor.js b/eslint/lib/rules/no-useless-constructor.js
new file mode 100644
index 0000000..4c34aed
--- /dev/null
+++ b/eslint/lib/rules/no-useless-constructor.js
@@ -0,0 +1,181 @@
+/**
+ * @fileoverview Rule to flag the use of redundant constructors in classes.
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a given array of statements is a single call of `super`.
+ * @param {ASTNode[]} body An array of statements to check.
+ * @returns {boolean} `true` if the body is a single call of `super`.
+ */
+function isSingleSuperCall(body) {
+    return (
+        body.length === 1 &&
+        body[0].type === "ExpressionStatement" &&
+        body[0].expression.type === "CallExpression" &&
+        body[0].expression.callee.type === "Super"
+    );
+}
+
+/**
+ * Checks whether a given node is a pattern which doesn't have any side effects.
+ * Default parameters and Destructuring parameters can have side effects.
+ * @param {ASTNode} node A pattern node.
+ * @returns {boolean} `true` if the node doesn't have any side effects.
+ */
+function isSimple(node) {
+    return node.type === "Identifier" || node.type === "RestElement";
+}
+
+/**
+ * Checks whether a given array of expressions is `...arguments` or not.
+ * `super(...arguments)` passes all arguments through.
+ * @param {ASTNode[]} superArgs An array of expressions to check.
+ * @returns {boolean} `true` if the superArgs is `...arguments`.
+ */
+function isSpreadArguments(superArgs) {
+    return (
+        superArgs.length === 1 &&
+        superArgs[0].type === "SpreadElement" &&
+        superArgs[0].argument.type === "Identifier" &&
+        superArgs[0].argument.name === "arguments"
+    );
+}
+
+/**
+ * Checks whether given 2 nodes are identifiers which have the same name or not.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes are identifiers which have the same
+ *      name.
+ */
+function isValidIdentifierPair(ctorParam, superArg) {
+    return (
+        ctorParam.type === "Identifier" &&
+        superArg.type === "Identifier" &&
+        ctorParam.name === superArg.name
+    );
+}
+
+/**
+ * Checks whether given 2 nodes are a rest/spread pair which has the same values.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes are a rest/spread pair which has the
+ *      same values.
+ */
+function isValidRestSpreadPair(ctorParam, superArg) {
+    return (
+        ctorParam.type === "RestElement" &&
+        superArg.type === "SpreadElement" &&
+        isValidIdentifierPair(ctorParam.argument, superArg.argument)
+    );
+}
+
+/**
+ * Checks whether given 2 nodes have the same value or not.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes have the same value or not.
+ */
+function isValidPair(ctorParam, superArg) {
+    return (
+        isValidIdentifierPair(ctorParam, superArg) ||
+        isValidRestSpreadPair(ctorParam, superArg)
+    );
+}
+
+/**
+ * Checks whether the parameters of a constructor and the arguments of `super()`
+ * have the same values or not.
+ * @param {ASTNode} ctorParams The parameters of a constructor to check.
+ * @param {ASTNode} superArgs The arguments of `super()` to check.
+ * @returns {boolean} `true` if those have the same values.
+ */
+function isPassingThrough(ctorParams, superArgs) {
+    if (ctorParams.length !== superArgs.length) {
+        return false;
+    }
+
+    for (let i = 0; i < ctorParams.length; ++i) {
+        if (!isValidPair(ctorParams[i], superArgs[i])) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+/**
+ * Checks whether the constructor body is a redundant super call.
+ * @param {Array} body constructor body content.
+ * @param {Array} ctorParams The params to check against super call.
+ * @returns {boolean} true if the constructor body is redundant
+ */
+function isRedundantSuperCall(body, ctorParams) {
+    return (
+        isSingleSuperCall(body) &&
+        ctorParams.every(isSimple) &&
+        (
+            isSpreadArguments(body[0].expression.arguments) ||
+            isPassingThrough(ctorParams, body[0].expression.arguments)
+        )
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary constructors",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-constructor"
+        },
+
+        schema: [],
+
+        messages: {
+            noUselessConstructor: "Useless constructor."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Checks whether a node is a redundant constructor
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function checkForConstructor(node) {
+            if (node.kind !== "constructor") {
+                return;
+            }
+
+            const body = node.value.body.body;
+            const ctorParams = node.value.params;
+            const superClass = node.parent.parent.superClass;
+
+            if (superClass ? isRedundantSuperCall(body, ctorParams) : (body.length === 0)) {
+                context.report({
+                    node,
+                    messageId: "noUselessConstructor"
+                });
+            }
+        }
+
+        return {
+            MethodDefinition: checkForConstructor
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-escape.js b/eslint/lib/rules/no-useless-escape.js
new file mode 100644
index 0000000..8057e44
--- /dev/null
+++ b/eslint/lib/rules/no-useless-escape.js
@@ -0,0 +1,252 @@
+/**
+ * @fileoverview Look for useless escapes in strings and regexes
+ * @author Onur Temizkan
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the union of two sets.
+ * @param {Set} setA The first set
+ * @param {Set} setB The second set
+ * @returns {Set} The union of the two sets
+ */
+function union(setA, setB) {
+    return new Set(function *() {
+        yield* setA;
+        yield* setB;
+    }());
+}
+
+const VALID_STRING_ESCAPES = union(new Set("\\nrvtbfux"), astUtils.LINEBREAKS);
+const REGEX_GENERAL_ESCAPES = new Set("\\bcdDfnpPrsStvwWxu0123456789]");
+const REGEX_NON_CHARCLASS_ESCAPES = union(REGEX_GENERAL_ESCAPES, new Set("^/.$*+?[{}|()Bk"));
+
+/**
+ * Parses a regular expression into a list of characters with character class info.
+ * @param {string} regExpText The raw text used to create the regular expression
+ * @returns {Object[]} A list of characters, each with info on escaping and whether they're in a character class.
+ * @example
+ *
+ * parseRegExp('a\\b[cd-]')
+ *
+ * returns:
+ * [
+ *   {text: 'a', index: 0, escaped: false, inCharClass: false, startsCharClass: false, endsCharClass: false},
+ *   {text: 'b', index: 2, escaped: true, inCharClass: false, startsCharClass: false, endsCharClass: false},
+ *   {text: 'c', index: 4, escaped: false, inCharClass: true, startsCharClass: true, endsCharClass: false},
+ *   {text: 'd', index: 5, escaped: false, inCharClass: true, startsCharClass: false, endsCharClass: false},
+ *   {text: '-', index: 6, escaped: false, inCharClass: true, startsCharClass: false, endsCharClass: false}
+ * ]
+ */
+function parseRegExp(regExpText) {
+    const charList = [];
+
+    regExpText.split("").reduce((state, char, index) => {
+        if (!state.escapeNextChar) {
+            if (char === "\\") {
+                return Object.assign(state, { escapeNextChar: true });
+            }
+            if (char === "[" && !state.inCharClass) {
+                return Object.assign(state, { inCharClass: true, startingCharClass: true });
+            }
+            if (char === "]" && state.inCharClass) {
+                if (charList.length && charList[charList.length - 1].inCharClass) {
+                    charList[charList.length - 1].endsCharClass = true;
+                }
+                return Object.assign(state, { inCharClass: false, startingCharClass: false });
+            }
+        }
+        charList.push({
+            text: char,
+            index,
+            escaped: state.escapeNextChar,
+            inCharClass: state.inCharClass,
+            startsCharClass: state.startingCharClass,
+            endsCharClass: false
+        });
+        return Object.assign(state, { escapeNextChar: false, startingCharClass: false });
+    }, { escapeNextChar: false, inCharClass: false, startingCharClass: false });
+
+    return charList;
+}
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary escape characters",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-useless-escape",
+            suggestion: true
+        },
+
+        messages: {
+            unnecessaryEscape: "Unnecessary escape character: \\{{character}}.",
+            removeEscape: "Remove the `\\`. This maintains the current functionality.",
+            escapeBackslash: "Replace the `\\` with `\\\\` to include the actual backslash character."
+        },
+
+        schema: []
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports a node
+         * @param {ASTNode} node The node to report
+         * @param {number} startOffset The backslash's offset from the start of the node
+         * @param {string} character The uselessly escaped character (not including the backslash)
+         * @returns {void}
+         */
+        function report(node, startOffset, character) {
+            const start = sourceCode.getLocFromIndex(sourceCode.getIndexFromLoc(node.loc.start) + startOffset);
+            const rangeStart = sourceCode.getIndexFromLoc(node.loc.start) + startOffset;
+            const range = [rangeStart, rangeStart + 1];
+
+            context.report({
+                node,
+                loc: {
+                    start,
+                    end: { line: start.line, column: start.column + 1 }
+                },
+                messageId: "unnecessaryEscape",
+                data: { character },
+                suggest: [
+                    {
+                        messageId: "removeEscape",
+                        fix(fixer) {
+                            return fixer.removeRange(range);
+                        }
+                    },
+                    {
+                        messageId: "escapeBackslash",
+                        fix(fixer) {
+                            return fixer.insertTextBeforeRange(range, "\\");
+                        }
+                    }
+                ]
+            });
+        }
+
+        /**
+         * Checks if the escape character in given string slice is unnecessary.
+         * @private
+         * @param {ASTNode} node node to validate.
+         * @param {string} match string slice to validate.
+         * @returns {void}
+         */
+        function validateString(node, match) {
+            const isTemplateElement = node.type === "TemplateElement";
+            const escapedChar = match[0][1];
+            let isUnnecessaryEscape = !VALID_STRING_ESCAPES.has(escapedChar);
+            let isQuoteEscape;
+
+            if (isTemplateElement) {
+                isQuoteEscape = escapedChar === "`";
+
+                if (escapedChar === "$") {
+
+                    // Warn if `\$` is not followed by `{`
+                    isUnnecessaryEscape = match.input[match.index + 2] !== "{";
+                } else if (escapedChar === "{") {
+
+                    /*
+                     * Warn if `\{` is not preceded by `$`. If preceded by `$`, escaping
+                     * is necessary and the rule should not warn. If preceded by `/$`, the rule
+                     * will warn for the `/$` instead, as it is the first unnecessarily escaped character.
+                     */
+                    isUnnecessaryEscape = match.input[match.index - 1] !== "$";
+                }
+            } else {
+                isQuoteEscape = escapedChar === node.raw[0];
+            }
+
+            if (isUnnecessaryEscape && !isQuoteEscape) {
+                report(node, match.index + 1, match[0].slice(1));
+            }
+        }
+
+        /**
+         * Checks if a node has an escape.
+         * @param {ASTNode} node node to check.
+         * @returns {void}
+         */
+        function check(node) {
+            const isTemplateElement = node.type === "TemplateElement";
+
+            if (
+                isTemplateElement &&
+                node.parent &&
+                node.parent.parent &&
+                node.parent.parent.type === "TaggedTemplateExpression" &&
+                node.parent === node.parent.parent.quasi
+            ) {
+
+                // Don't report tagged template literals, because the backslash character is accessible to the tag function.
+                return;
+            }
+
+            if (typeof node.value === "string" || isTemplateElement) {
+
+                /*
+                 * JSXAttribute doesn't have any escape sequence: https://facebook.github.io/jsx/.
+                 * In addition, backticks are not supported by JSX yet: https://github.com/facebook/jsx/issues/25.
+                 */
+                if (node.parent.type === "JSXAttribute" || node.parent.type === "JSXElement" || node.parent.type === "JSXFragment") {
+                    return;
+                }
+
+                const value = isTemplateElement ? node.value.raw : node.raw.slice(1, -1);
+                const pattern = /\\[^\d]/gu;
+                let match;
+
+                while ((match = pattern.exec(value))) {
+                    validateString(node, match);
+                }
+            } else if (node.regex) {
+                parseRegExp(node.regex.pattern)
+
+                    /*
+                     * The '-' character is a special case, because it's only valid to escape it if it's in a character
+                     * class, and is not at either edge of the character class. To account for this, don't consider '-'
+                     * characters to be valid in general, and filter out '-' characters that appear in the middle of a
+                     * character class.
+                     */
+                    .filter(charInfo => !(charInfo.text === "-" && charInfo.inCharClass && !charInfo.startsCharClass && !charInfo.endsCharClass))
+
+                    /*
+                     * The '^' character is also a special case; it must always be escaped outside of character classes, but
+                     * it only needs to be escaped in character classes if it's at the beginning of the character class. To
+                     * account for this, consider it to be a valid escape character outside of character classes, and filter
+                     * out '^' characters that appear at the start of a character class.
+                     */
+                    .filter(charInfo => !(charInfo.text === "^" && charInfo.startsCharClass))
+
+                    // Filter out characters that aren't escaped.
+                    .filter(charInfo => charInfo.escaped)
+
+                    // Filter out characters that are valid to escape, based on their position in the regular expression.
+                    .filter(charInfo => !(charInfo.inCharClass ? REGEX_GENERAL_ESCAPES : REGEX_NON_CHARCLASS_ESCAPES).has(charInfo.text))
+
+                    // Report all the remaining characters.
+                    .forEach(charInfo => report(node, charInfo.index, charInfo.text));
+            }
+
+        }
+
+        return {
+            Literal: check,
+            TemplateElement: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-rename.js b/eslint/lib/rules/no-useless-rename.js
new file mode 100644
index 0000000..fa88f37
--- /dev/null
+++ b/eslint/lib/rules/no-useless-rename.js
@@ -0,0 +1,168 @@
+/**
+ * @fileoverview Disallow renaming import, export, and destructured assignments to the same name.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow renaming import, export, and destructured assignments to the same name",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-rename"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    ignoreDestructuring: { type: "boolean", default: false },
+                    ignoreImport: { type: "boolean", default: false },
+                    ignoreExport: { type: "boolean", default: false }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unnecessarilyRenamed: "{{type}} {{name}} unnecessarily renamed."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode(),
+            options = context.options[0] || {},
+            ignoreDestructuring = options.ignoreDestructuring === true,
+            ignoreImport = options.ignoreImport === true,
+            ignoreExport = options.ignoreExport === true;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports error for unnecessarily renamed assignments
+         * @param {ASTNode} node node to report
+         * @param {ASTNode} initial node with initial name value
+         * @param {ASTNode} result node with new name value
+         * @param {string} type the type of the offending node
+         * @returns {void}
+         */
+        function reportError(node, initial, result, type) {
+            const name = initial.type === "Identifier" ? initial.name : initial.value;
+
+            return context.report({
+                node,
+                messageId: "unnecessarilyRenamed",
+                data: {
+                    name,
+                    type
+                },
+                fix(fixer) {
+                    if (sourceCode.commentsExistBetween(initial, result)) {
+                        return null;
+                    }
+
+                    const replacementText = result.type === "AssignmentPattern"
+                        ? sourceCode.getText(result)
+                        : name;
+
+                    return fixer.replaceTextRange([
+                        initial.range[0],
+                        result.range[1]
+                    ], replacementText);
+                }
+            });
+        }
+
+        /**
+         * Checks whether a destructured assignment is unnecessarily renamed
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function checkDestructured(node) {
+            if (ignoreDestructuring) {
+                return;
+            }
+
+            for (const property of node.properties) {
+
+                /*
+                 * TODO: Remove after babel-eslint removes ExperimentalRestProperty
+                 * https://github.com/eslint/eslint/issues/12335
+                 */
+                if (property.type === "ExperimentalRestProperty") {
+                    continue;
+                }
+
+                /**
+                 * Properties using shorthand syntax and rest elements can not be renamed.
+                 * If the property is computed, we have no idea if a rename is useless or not.
+                 */
+                if (property.shorthand || property.type === "RestElement" || property.computed) {
+                    continue;
+                }
+
+                const key = (property.key.type === "Identifier" && property.key.name) || (property.key.type === "Literal" && property.key.value);
+                const renamedKey = property.value.type === "AssignmentPattern" ? property.value.left.name : property.value.name;
+
+                if (key === renamedKey) {
+                    reportError(property, property.key, property.value, "Destructuring assignment");
+                }
+            }
+        }
+
+        /**
+         * Checks whether an import is unnecessarily renamed
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function checkImport(node) {
+            if (ignoreImport) {
+                return;
+            }
+
+            if (node.imported.name === node.local.name &&
+                    node.imported.range[0] !== node.local.range[0]) {
+                reportError(node, node.imported, node.local, "Import");
+            }
+        }
+
+        /**
+         * Checks whether an export is unnecessarily renamed
+         * @param {ASTNode} node node to check
+         * @returns {void}
+         */
+        function checkExport(node) {
+            if (ignoreExport) {
+                return;
+            }
+
+            if (node.local.name === node.exported.name &&
+                    node.local.range[0] !== node.exported.range[0]) {
+                reportError(node, node.local, node.exported, "Export");
+            }
+
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ObjectPattern: checkDestructured,
+            ImportSpecifier: checkImport,
+            ExportSpecifier: checkExport
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-useless-return.js b/eslint/lib/rules/no-useless-return.js
new file mode 100644
index 0000000..111cb21
--- /dev/null
+++ b/eslint/lib/rules/no-useless-return.js
@@ -0,0 +1,305 @@
+/**
+ * @fileoverview Disallow redundant return statements
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils"),
+    FixTracker = require("./utils/fix-tracker");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Removes the given element from the array.
+ * @param {Array} array The source array to remove.
+ * @param {any} element The target item to remove.
+ * @returns {void}
+ */
+function remove(array, element) {
+    const index = array.indexOf(element);
+
+    if (index !== -1) {
+        array.splice(index, 1);
+    }
+}
+
+/**
+ * Checks whether it can remove the given return statement or not.
+ * @param {ASTNode} node The return statement node to check.
+ * @returns {boolean} `true` if the node is removable.
+ */
+function isRemovable(node) {
+    return astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type);
+}
+
+/**
+ * Checks whether the given return statement is in a `finally` block or not.
+ * @param {ASTNode} node The return statement node to check.
+ * @returns {boolean} `true` if the node is in a `finally` block.
+ */
+function isInFinally(node) {
+    for (
+        let currentNode = node;
+        currentNode && currentNode.parent && !astUtils.isFunction(currentNode);
+        currentNode = currentNode.parent
+    ) {
+        if (currentNode.parent.type === "TryStatement" && currentNode.parent.finalizer === currentNode) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow redundant return statements",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-useless-return"
+        },
+
+        fixable: "code",
+        schema: [],
+
+        messages: {
+            unnecessaryReturn: "Unnecessary return statement."
+        }
+    },
+
+    create(context) {
+        const segmentInfoMap = new WeakMap();
+        const usedUnreachableSegments = new WeakSet();
+        const sourceCode = context.getSourceCode();
+        let scopeInfo = null;
+
+        /**
+         * Checks whether the given segment is terminated by a return statement or not.
+         * @param {CodePathSegment} segment The segment to check.
+         * @returns {boolean} `true` if the segment is terminated by a return statement, or if it's still a part of unreachable.
+         */
+        function isReturned(segment) {
+            const info = segmentInfoMap.get(segment);
+
+            return !info || info.returned;
+        }
+
+        /**
+         * Collects useless return statements from the given previous segments.
+         *
+         * A previous segment may be an unreachable segment.
+         * In that case, the information object of the unreachable segment is not
+         * initialized because `onCodePathSegmentStart` event is not notified for
+         * unreachable segments.
+         * This goes to the previous segments of the unreachable segment recursively
+         * if the unreachable segment was generated by a return statement. Otherwise,
+         * this ignores the unreachable segment.
+         *
+         * This behavior would simulate code paths for the case that the return
+         * statement does not exist.
+         * @param {ASTNode[]} uselessReturns The collected return statements.
+         * @param {CodePathSegment[]} prevSegments The previous segments to traverse.
+         * @param {WeakSet<CodePathSegment>} [providedTraversedSegments] A set of segments that have already been traversed in this call
+         * @returns {ASTNode[]} `uselessReturns`.
+         */
+        function getUselessReturns(uselessReturns, prevSegments, providedTraversedSegments) {
+            const traversedSegments = providedTraversedSegments || new WeakSet();
+
+            for (const segment of prevSegments) {
+                if (!segment.reachable) {
+                    if (!traversedSegments.has(segment)) {
+                        traversedSegments.add(segment);
+                        getUselessReturns(
+                            uselessReturns,
+                            segment.allPrevSegments.filter(isReturned),
+                            traversedSegments
+                        );
+                    }
+                    continue;
+                }
+
+                uselessReturns.push(...segmentInfoMap.get(segment).uselessReturns);
+            }
+
+            return uselessReturns;
+        }
+
+        /**
+         * Removes the return statements on the given segment from the useless return
+         * statement list.
+         *
+         * This segment may be an unreachable segment.
+         * In that case, the information object of the unreachable segment is not
+         * initialized because `onCodePathSegmentStart` event is not notified for
+         * unreachable segments.
+         * This goes to the previous segments of the unreachable segment recursively
+         * if the unreachable segment was generated by a return statement. Otherwise,
+         * this ignores the unreachable segment.
+         *
+         * This behavior would simulate code paths for the case that the return
+         * statement does not exist.
+         * @param {CodePathSegment} segment The segment to get return statements.
+         * @returns {void}
+         */
+        function markReturnStatementsOnSegmentAsUsed(segment) {
+            if (!segment.reachable) {
+                usedUnreachableSegments.add(segment);
+                segment.allPrevSegments
+                    .filter(isReturned)
+                    .filter(prevSegment => !usedUnreachableSegments.has(prevSegment))
+                    .forEach(markReturnStatementsOnSegmentAsUsed);
+                return;
+            }
+
+            const info = segmentInfoMap.get(segment);
+
+            for (const node of info.uselessReturns) {
+                remove(scopeInfo.uselessReturns, node);
+            }
+            info.uselessReturns = [];
+        }
+
+        /**
+         * Removes the return statements on the current segments from the useless
+         * return statement list.
+         *
+         * This function will be called at every statement except FunctionDeclaration,
+         * BlockStatement, and BreakStatement.
+         *
+         * - FunctionDeclarations are always executed whether it's returned or not.
+         * - BlockStatements do nothing.
+         * - BreakStatements go the next merely.
+         * @returns {void}
+         */
+        function markReturnStatementsOnCurrentSegmentsAsUsed() {
+            scopeInfo
+                .codePath
+                .currentSegments
+                .forEach(markReturnStatementsOnSegmentAsUsed);
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+
+            // Makes and pushs a new scope information.
+            onCodePathStart(codePath) {
+                scopeInfo = {
+                    upper: scopeInfo,
+                    uselessReturns: [],
+                    codePath
+                };
+            },
+
+            // Reports useless return statements if exist.
+            onCodePathEnd() {
+                for (const node of scopeInfo.uselessReturns) {
+                    context.report({
+                        node,
+                        loc: node.loc,
+                        messageId: "unnecessaryReturn",
+                        fix(fixer) {
+                            if (isRemovable(node) && !sourceCode.getCommentsInside(node).length) {
+
+                                /*
+                                 * Extend the replacement range to include the
+                                 * entire function to avoid conflicting with
+                                 * no-else-return.
+                                 * https://github.com/eslint/eslint/issues/8026
+                                 */
+                                return new FixTracker(fixer, sourceCode)
+                                    .retainEnclosingFunction(node)
+                                    .remove(node);
+                            }
+                            return null;
+                        }
+                    });
+                }
+
+                scopeInfo = scopeInfo.upper;
+            },
+
+            /*
+             * Initializes segments.
+             * NOTE: This event is notified for only reachable segments.
+             */
+            onCodePathSegmentStart(segment) {
+                const info = {
+                    uselessReturns: getUselessReturns([], segment.allPrevSegments),
+                    returned: false
+                };
+
+                // Stores the info.
+                segmentInfoMap.set(segment, info);
+            },
+
+            // Adds ReturnStatement node to check whether it's useless or not.
+            ReturnStatement(node) {
+                if (node.argument) {
+                    markReturnStatementsOnCurrentSegmentsAsUsed();
+                }
+                if (
+                    node.argument ||
+                    astUtils.isInLoop(node) ||
+                    isInFinally(node) ||
+
+                    // Ignore `return` statements in unreachable places (https://github.com/eslint/eslint/issues/11647).
+                    !scopeInfo.codePath.currentSegments.some(s => s.reachable)
+                ) {
+                    return;
+                }
+
+                for (const segment of scopeInfo.codePath.currentSegments) {
+                    const info = segmentInfoMap.get(segment);
+
+                    if (info) {
+                        info.uselessReturns.push(node);
+                        info.returned = true;
+                    }
+                }
+                scopeInfo.uselessReturns.push(node);
+            },
+
+            /*
+             * Registers for all statement nodes except FunctionDeclaration, BlockStatement, BreakStatement.
+             * Removes return statements of the current segments from the useless return statement list.
+             */
+            ClassDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ContinueStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            DebuggerStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            DoWhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            EmptyStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ExpressionStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ForInStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ForOfStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ForStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            IfStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ImportDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+            LabeledStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            SwitchStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ThrowStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            TryStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            VariableDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+            WhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            WithStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ExportNamedDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ExportDefaultDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+            ExportAllDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-var.js b/eslint/lib/rules/no-var.js
new file mode 100644
index 0000000..f2cb96b
--- /dev/null
+++ b/eslint/lib/rules/no-var.js
@@ -0,0 +1,334 @@
+/**
+ * @fileoverview Rule to check for the usage of var.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Check whether a given variable is a global variable or not.
+ * @param {eslint-scope.Variable} variable The variable to check.
+ * @returns {boolean} `true` if the variable is a global variable.
+ */
+function isGlobal(variable) {
+    return Boolean(variable.scope) && variable.scope.type === "global";
+}
+
+/**
+ * Finds the nearest function scope or global scope walking up the scope
+ * hierarchy.
+ * @param {eslint-scope.Scope} scope The scope to traverse.
+ * @returns {eslint-scope.Scope} a function scope or global scope containing the given
+ *      scope.
+ */
+function getEnclosingFunctionScope(scope) {
+    let currentScope = scope;
+
+    while (currentScope.type !== "function" && currentScope.type !== "global") {
+        currentScope = currentScope.upper;
+    }
+    return currentScope;
+}
+
+/**
+ * Checks whether the given variable has any references from a more specific
+ * function expression (i.e. a closure).
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is used from a closure.
+ */
+function isReferencedInClosure(variable) {
+    const enclosingFunctionScope = getEnclosingFunctionScope(variable.scope);
+
+    return variable.references.some(reference =>
+        getEnclosingFunctionScope(reference.from) !== enclosingFunctionScope);
+}
+
+/**
+ * Checks whether the given node is the assignee of a loop.
+ * @param {ASTNode} node A VariableDeclaration node to check.
+ * @returns {boolean} `true` if the declaration is assigned as part of loop
+ *      iteration.
+ */
+function isLoopAssignee(node) {
+    return (node.parent.type === "ForOfStatement" || node.parent.type === "ForInStatement") &&
+        node === node.parent.left;
+}
+
+/**
+ * Checks whether the given variable declaration is immediately initialized.
+ * @param {ASTNode} node A VariableDeclaration node to check.
+ * @returns {boolean} `true` if the declaration has an initializer.
+ */
+function isDeclarationInitialized(node) {
+    return node.declarations.every(declarator => declarator.init !== null);
+}
+
+const SCOPE_NODE_TYPE = /^(?:Program|BlockStatement|SwitchStatement|ForStatement|ForInStatement|ForOfStatement)$/u;
+
+/**
+ * Gets the scope node which directly contains a given node.
+ * @param {ASTNode} node A node to get. This is a `VariableDeclaration` or
+ *      an `Identifier`.
+ * @returns {ASTNode} A scope node. This is one of `Program`, `BlockStatement`,
+ *      `SwitchStatement`, `ForStatement`, `ForInStatement`, and
+ *      `ForOfStatement`.
+ */
+function getScopeNode(node) {
+    for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+        if (SCOPE_NODE_TYPE.test(currentNode.type)) {
+            return currentNode;
+        }
+    }
+
+    /* istanbul ignore next : unreachable */
+    return null;
+}
+
+/**
+ * Checks whether a given variable is redeclared or not.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is redeclared.
+ */
+function isRedeclared(variable) {
+    return variable.defs.length >= 2;
+}
+
+/**
+ * Checks whether a given variable is used from outside of the specified scope.
+ * @param {ASTNode} scopeNode A scope node to check.
+ * @returns {Function} The predicate function which checks whether a given
+ *      variable is used from outside of the specified scope.
+ */
+function isUsedFromOutsideOf(scopeNode) {
+
+    /**
+     * Checks whether a given reference is inside of the specified scope or not.
+     * @param {eslint-scope.Reference} reference A reference to check.
+     * @returns {boolean} `true` if the reference is inside of the specified
+     *      scope.
+     */
+    function isOutsideOfScope(reference) {
+        const scope = scopeNode.range;
+        const id = reference.identifier.range;
+
+        return id[0] < scope[0] || id[1] > scope[1];
+    }
+
+    return function(variable) {
+        return variable.references.some(isOutsideOfScope);
+    };
+}
+
+/**
+ * Creates the predicate function which checks whether a variable has their references in TDZ.
+ *
+ * The predicate function would return `true`:
+ *
+ * - if a reference is before the declarator. E.g. (var a = b, b = 1;)(var {a = b, b} = {};)
+ * - if a reference is in the expression of their default value.  E.g. (var {a = a} = {};)
+ * - if a reference is in the expression of their initializer.  E.g. (var a = a;)
+ * @param {ASTNode} node The initializer node of VariableDeclarator.
+ * @returns {Function} The predicate function.
+ * @private
+ */
+function hasReferenceInTDZ(node) {
+    const initStart = node.range[0];
+    const initEnd = node.range[1];
+
+    return variable => {
+        const id = variable.defs[0].name;
+        const idStart = id.range[0];
+        const defaultValue = (id.parent.type === "AssignmentPattern" ? id.parent.right : null);
+        const defaultStart = defaultValue && defaultValue.range[0];
+        const defaultEnd = defaultValue && defaultValue.range[1];
+
+        return variable.references.some(reference => {
+            const start = reference.identifier.range[0];
+            const end = reference.identifier.range[1];
+
+            return !reference.init && (
+                start < idStart ||
+                (defaultValue !== null && start >= defaultStart && end <= defaultEnd) ||
+                (start >= initStart && end <= initEnd)
+            );
+        });
+    };
+}
+
+/**
+ * Checks whether a given variable has name that is allowed for 'var' declarations,
+ * but disallowed for `let` declarations.
+ * @param {eslint-scope.Variable} variable The variable to check.
+ * @returns {boolean} `true` if the variable has a disallowed name.
+ */
+function hasNameDisallowedForLetDeclarations(variable) {
+    return variable.name === "let";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `let` or `const` instead of `var`",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-var"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unexpectedVar: "Unexpected var, use let or const instead."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Checks whether the variables which are defined by the given declarator node have their references in TDZ.
+         * @param {ASTNode} declarator The VariableDeclarator node to check.
+         * @returns {boolean} `true` if one of the variables which are defined by the given declarator node have their references in TDZ.
+         */
+        function hasSelfReferenceInTDZ(declarator) {
+            if (!declarator.init) {
+                return false;
+            }
+            const variables = context.getDeclaredVariables(declarator);
+
+            return variables.some(hasReferenceInTDZ(declarator.init));
+        }
+
+        /**
+         * Checks whether it can fix a given variable declaration or not.
+         * It cannot fix if the following cases:
+         *
+         * - A variable is a global variable.
+         * - A variable is declared on a SwitchCase node.
+         * - A variable is redeclared.
+         * - A variable is used from outside the scope.
+         * - A variable is used from a closure within a loop.
+         * - A variable might be used before it is assigned within a loop.
+         * - A variable might be used in TDZ.
+         * - A variable is declared in statement position (e.g. a single-line `IfStatement`)
+         * - A variable has name that is disallowed for `let` declarations.
+         *
+         * ## A variable is declared on a SwitchCase node.
+         *
+         * If this rule modifies 'var' declarations on a SwitchCase node, it
+         * would generate the warnings of 'no-case-declarations' rule. And the
+         * 'eslint:recommended' preset includes 'no-case-declarations' rule, so
+         * this rule doesn't modify those declarations.
+         *
+         * ## A variable is redeclared.
+         *
+         * The language spec disallows redeclarations of `let` declarations.
+         * Those variables would cause syntax errors.
+         *
+         * ## A variable is used from outside the scope.
+         *
+         * The language spec disallows accesses from outside of the scope for
+         * `let` declarations. Those variables would cause reference errors.
+         *
+         * ## A variable is used from a closure within a loop.
+         *
+         * A `var` declaration within a loop shares the same variable instance
+         * across all loop iterations, while a `let` declaration creates a new
+         * instance for each iteration. This means if a variable in a loop is
+         * referenced by any closure, changing it from `var` to `let` would
+         * change the behavior in a way that is generally unsafe.
+         *
+         * ## A variable might be used before it is assigned within a loop.
+         *
+         * Within a loop, a `let` declaration without an initializer will be
+         * initialized to null, while a `var` declaration will retain its value
+         * from the previous iteration, so it is only safe to change `var` to
+         * `let` if we can statically determine that the variable is always
+         * assigned a value before its first access in the loop body. To keep
+         * the implementation simple, we only convert `var` to `let` within
+         * loops when the variable is a loop assignee or the declaration has an
+         * initializer.
+         * @param {ASTNode} node A variable declaration node to check.
+         * @returns {boolean} `true` if it can fix the node.
+         */
+        function canFix(node) {
+            const variables = context.getDeclaredVariables(node);
+            const scopeNode = getScopeNode(node);
+
+            if (node.parent.type === "SwitchCase" ||
+                node.declarations.some(hasSelfReferenceInTDZ) ||
+                variables.some(isGlobal) ||
+                variables.some(isRedeclared) ||
+                variables.some(isUsedFromOutsideOf(scopeNode)) ||
+                variables.some(hasNameDisallowedForLetDeclarations)
+            ) {
+                return false;
+            }
+
+            if (astUtils.isInLoop(node)) {
+                if (variables.some(isReferencedInClosure)) {
+                    return false;
+                }
+                if (!isLoopAssignee(node) && !isDeclarationInitialized(node)) {
+                    return false;
+                }
+            }
+
+            if (
+                !isLoopAssignee(node) &&
+                !(node.parent.type === "ForStatement" && node.parent.init === node) &&
+                !astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)
+            ) {
+
+                // If the declaration is not in a block, e.g. `if (foo) var bar = 1;`, then it can't be fixed.
+                return false;
+            }
+
+            return true;
+        }
+
+        /**
+         * Reports a given variable declaration node.
+         * @param {ASTNode} node A variable declaration node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "unexpectedVar",
+
+                fix(fixer) {
+                    const varToken = sourceCode.getFirstToken(node, { filter: t => t.value === "var" });
+
+                    return canFix(node)
+                        ? fixer.replaceText(varToken, "let")
+                        : null;
+                }
+            });
+        }
+
+        return {
+            "VariableDeclaration:exit"(node) {
+                if (node.kind === "var") {
+                    report(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-void.js b/eslint/lib/rules/no-void.js
new file mode 100644
index 0000000..99c8378
--- /dev/null
+++ b/eslint/lib/rules/no-void.js
@@ -0,0 +1,64 @@
+/**
+ * @fileoverview Rule to disallow use of void operator.
+ * @author Mike Sidorov
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `void` operators",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-void"
+        },
+
+        messages: {
+            noVoid: "Expected 'undefined' and instead saw 'void'."
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowAsStatement: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ]
+    },
+
+    create(context) {
+        const allowAsStatement =
+            context.options[0] && context.options[0].allowAsStatement;
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            'UnaryExpression[operator="void"]'(node) {
+                if (
+                    allowAsStatement &&
+                    node.parent &&
+                    node.parent.type === "ExpressionStatement"
+                ) {
+                    return;
+                }
+                context.report({
+                    node,
+                    messageId: "noVoid"
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-warning-comments.js b/eslint/lib/rules/no-warning-comments.js
new file mode 100644
index 0000000..d70bd5d
--- /dev/null
+++ b/eslint/lib/rules/no-warning-comments.js
@@ -0,0 +1,163 @@
+/**
+ * @fileoverview Rule that warns about used warning comments
+ * @author Alexander Schmidt <https://github.com/lxanders>
+ */
+
+"use strict";
+
+const { escapeRegExp } = require("lodash");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow specified warning terms in comments",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-warning-comments"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    terms: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    location: {
+                        enum: ["start", "anywhere"]
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedComment: "Unexpected '{{matchedTerm}}' comment."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode(),
+            configuration = context.options[0] || {},
+            warningTerms = configuration.terms || ["todo", "fixme", "xxx"],
+            location = configuration.location || "start",
+            selfConfigRegEx = /\bno-warning-comments\b/u;
+
+        /**
+         * Convert a warning term into a RegExp which will match a comment containing that whole word in the specified
+         * location ("start" or "anywhere"). If the term starts or ends with non word characters, then the match will not
+         * require word boundaries on that side.
+         * @param {string} term A term to convert to a RegExp
+         * @returns {RegExp} The term converted to a RegExp
+         */
+        function convertToRegExp(term) {
+            const escaped = escapeRegExp(term);
+            const wordBoundary = "\\b";
+            const eitherOrWordBoundary = `|${wordBoundary}`;
+            let prefix;
+
+            /*
+             * If the term ends in a word character (a-z0-9_), ensure a word
+             * boundary at the end, so that substrings do not get falsely
+             * matched. eg "todo" in a string such as "mastodon".
+             * If the term ends in a non-word character, then \b won't match on
+             * the boundary to the next non-word character, which would likely
+             * be a space. For example `/\bFIX!\b/.test('FIX! blah') === false`.
+             * In these cases, use no bounding match. Same applies for the
+             * prefix, handled below.
+             */
+            const suffix = /\w$/u.test(term) ? "\\b" : "";
+
+            if (location === "start") {
+
+                /*
+                 * When matching at the start, ignore leading whitespace, and
+                 * there's no need to worry about word boundaries.
+                 */
+                prefix = "^\\s*";
+            } else if (/^\w/u.test(term)) {
+                prefix = wordBoundary;
+            } else {
+                prefix = "";
+            }
+
+            if (location === "start") {
+
+                /*
+                 * For location "start" the regex should be
+                 * ^\s*TERM\b.  This checks the word boundary
+                 * at the beginning of the comment.
+                 */
+                return new RegExp(prefix + escaped + suffix, "iu");
+            }
+
+            /*
+             * For location "anywhere" the regex should be
+             * \bTERM\b|\bTERM\b, this checks the entire comment
+             * for the term.
+             */
+            return new RegExp(prefix + escaped + suffix + eitherOrWordBoundary + term + wordBoundary, "iu");
+        }
+
+        const warningRegExps = warningTerms.map(convertToRegExp);
+
+        /**
+         * Checks the specified comment for matches of the configured warning terms and returns the matches.
+         * @param {string} comment The comment which is checked.
+         * @returns {Array} All matched warning terms for this comment.
+         */
+        function commentContainsWarningTerm(comment) {
+            const matches = [];
+
+            warningRegExps.forEach((regex, index) => {
+                if (regex.test(comment)) {
+                    matches.push(warningTerms[index]);
+                }
+            });
+
+            return matches;
+        }
+
+        /**
+         * Checks the specified node for matching warning comments and reports them.
+         * @param {ASTNode} node The AST node being checked.
+         * @returns {void} undefined.
+         */
+        function checkComment(node) {
+            if (astUtils.isDirectiveComment(node) && selfConfigRegEx.test(node.value)) {
+                return;
+            }
+
+            const matches = commentContainsWarningTerm(node.value);
+
+            matches.forEach(matchedTerm => {
+                context.report({
+                    node,
+                    messageId: "unexpectedComment",
+                    data: {
+                        matchedTerm
+                    }
+                });
+            });
+        }
+
+        return {
+            Program() {
+                const comments = sourceCode.getAllComments();
+
+                comments.filter(token => token.type !== "Shebang").forEach(checkComment);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-whitespace-before-property.js b/eslint/lib/rules/no-whitespace-before-property.js
new file mode 100644
index 0000000..ccd0b09
--- /dev/null
+++ b/eslint/lib/rules/no-whitespace-before-property.js
@@ -0,0 +1,101 @@
+/**
+ * @fileoverview Rule to disallow whitespace before properties
+ * @author Kai Cataldo
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "disallow whitespace before properties",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-whitespace-before-property"
+        },
+
+        fixable: "whitespace",
+        schema: [],
+
+        messages: {
+            unexpectedWhitespace: "Unexpected whitespace before property {{propName}}."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports whitespace before property token
+         * @param {ASTNode} node the node to report in the event of an error
+         * @param {Token} leftToken the left token
+         * @param {Token} rightToken the right token
+         * @returns {void}
+         * @private
+         */
+        function reportError(node, leftToken, rightToken) {
+            const replacementText = node.computed ? "" : ".";
+
+            context.report({
+                node,
+                messageId: "unexpectedWhitespace",
+                data: {
+                    propName: sourceCode.getText(node.property)
+                },
+                fix(fixer) {
+                    if (!node.computed && astUtils.isDecimalInteger(node.object)) {
+
+                        /*
+                         * If the object is a number literal, fixing it to something like 5.toString() would cause a SyntaxError.
+                         * Don't fix this case.
+                         */
+                        return null;
+                    }
+                    return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], replacementText);
+                }
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            MemberExpression(node) {
+                let rightToken;
+                let leftToken;
+
+                if (!astUtils.isTokenOnSameLine(node.object, node.property)) {
+                    return;
+                }
+
+                if (node.computed) {
+                    rightToken = sourceCode.getTokenBefore(node.property, astUtils.isOpeningBracketToken);
+                    leftToken = sourceCode.getTokenBefore(rightToken);
+                } else {
+                    rightToken = sourceCode.getFirstToken(node.property);
+                    leftToken = sourceCode.getTokenBefore(rightToken, 1);
+                }
+
+                if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken)) {
+                    reportError(node, leftToken, rightToken);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/no-with.js b/eslint/lib/rules/no-with.js
new file mode 100644
index 0000000..d3e52e0
--- /dev/null
+++ b/eslint/lib/rules/no-with.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Rule to flag use of with statement
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `with` statements",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-with"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedWith: "Unexpected use of 'with' statement."
+        }
+    },
+
+    create(context) {
+
+        return {
+            WithStatement(node) {
+                context.report({ node, messageId: "unexpectedWith" });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/nonblock-statement-body-position.js b/eslint/lib/rules/nonblock-statement-body-position.js
new file mode 100644
index 0000000..34e6eea
--- /dev/null
+++ b/eslint/lib/rules/nonblock-statement-body-position.js
@@ -0,0 +1,124 @@
+/**
+ * @fileoverview enforce the location of single-line statements
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const POSITION_SCHEMA = { enum: ["beside", "below", "any"] };
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce the location of single-line statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/nonblock-statement-body-position"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            POSITION_SCHEMA,
+            {
+                properties: {
+                    overrides: {
+                        properties: {
+                            if: POSITION_SCHEMA,
+                            else: POSITION_SCHEMA,
+                            while: POSITION_SCHEMA,
+                            do: POSITION_SCHEMA,
+                            for: POSITION_SCHEMA
+                        },
+                        additionalProperties: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            expectNoLinebreak: "Expected no linebreak before this statement.",
+            expectLinebreak: "Expected a linebreak before this statement."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Gets the applicable preference for a particular keyword
+         * @param {string} keywordName The name of a keyword, e.g. 'if'
+         * @returns {string} The applicable option for the keyword, e.g. 'beside'
+         */
+        function getOption(keywordName) {
+            return context.options[1] && context.options[1].overrides && context.options[1].overrides[keywordName] ||
+                context.options[0] ||
+                "beside";
+        }
+
+        /**
+         * Validates the location of a single-line statement
+         * @param {ASTNode} node The single-line statement
+         * @param {string} keywordName The applicable keyword name for the single-line statement
+         * @returns {void}
+         */
+        function validateStatement(node, keywordName) {
+            const option = getOption(keywordName);
+
+            if (node.type === "BlockStatement" || option === "any") {
+                return;
+            }
+
+            const tokenBefore = sourceCode.getTokenBefore(node);
+
+            if (tokenBefore.loc.end.line === node.loc.start.line && option === "below") {
+                context.report({
+                    node,
+                    messageId: "expectLinebreak",
+                    fix: fixer => fixer.insertTextBefore(node, "\n")
+                });
+            } else if (tokenBefore.loc.end.line !== node.loc.start.line && option === "beside") {
+                context.report({
+                    node,
+                    messageId: "expectNoLinebreak",
+                    fix(fixer) {
+                        if (sourceCode.getText().slice(tokenBefore.range[1], node.range[0]).trim()) {
+                            return null;
+                        }
+                        return fixer.replaceTextRange([tokenBefore.range[1], node.range[0]], " ");
+                    }
+                });
+            }
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+            IfStatement(node) {
+                validateStatement(node.consequent, "if");
+
+                // Check the `else` node, but don't check 'else if' statements.
+                if (node.alternate && node.alternate.type !== "IfStatement") {
+                    validateStatement(node.alternate, "else");
+                }
+            },
+            WhileStatement: node => validateStatement(node.body, "while"),
+            DoWhileStatement: node => validateStatement(node.body, "do"),
+            ForStatement: node => validateStatement(node.body, "for"),
+            ForInStatement: node => validateStatement(node.body, "for"),
+            ForOfStatement: node => validateStatement(node.body, "for")
+        };
+    }
+};
diff --git a/eslint/lib/rules/object-curly-newline.js b/eslint/lib/rules/object-curly-newline.js
new file mode 100644
index 0000000..b48b252
--- /dev/null
+++ b/eslint/lib/rules/object-curly-newline.js
@@ -0,0 +1,306 @@
+/**
+ * @fileoverview Rule to require or disallow line breaks inside braces.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+// Schema objects.
+const OPTION_VALUE = {
+    oneOf: [
+        {
+            enum: ["always", "never"]
+        },
+        {
+            type: "object",
+            properties: {
+                multiline: {
+                    type: "boolean"
+                },
+                minProperties: {
+                    type: "integer",
+                    minimum: 0
+                },
+                consistent: {
+                    type: "boolean"
+                }
+            },
+            additionalProperties: false,
+            minProperties: 1
+        }
+    ]
+};
+
+/**
+ * Normalizes a given option value.
+ * @param {string|Object|undefined} value An option value to parse.
+ * @returns {{multiline: boolean, minProperties: number, consistent: boolean}} Normalized option object.
+ */
+function normalizeOptionValue(value) {
+    let multiline = false;
+    let minProperties = Number.POSITIVE_INFINITY;
+    let consistent = false;
+
+    if (value) {
+        if (value === "always") {
+            minProperties = 0;
+        } else if (value === "never") {
+            minProperties = Number.POSITIVE_INFINITY;
+        } else {
+            multiline = Boolean(value.multiline);
+            minProperties = value.minProperties || Number.POSITIVE_INFINITY;
+            consistent = Boolean(value.consistent);
+        }
+    } else {
+        consistent = true;
+    }
+
+    return { multiline, minProperties, consistent };
+}
+
+/**
+ * Normalizes a given option value.
+ * @param {string|Object|undefined} options An option value to parse.
+ * @returns {{
+ *   ObjectExpression: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ObjectPattern: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ImportDeclaration: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ExportNamedDeclaration : {multiline: boolean, minProperties: number, consistent: boolean}
+ * }} Normalized option object.
+ */
+function normalizeOptions(options) {
+    const isNodeSpecificOption = lodash.overSome([lodash.isPlainObject, lodash.isString]);
+
+    if (lodash.isPlainObject(options) && lodash.some(options, isNodeSpecificOption)) {
+        return {
+            ObjectExpression: normalizeOptionValue(options.ObjectExpression),
+            ObjectPattern: normalizeOptionValue(options.ObjectPattern),
+            ImportDeclaration: normalizeOptionValue(options.ImportDeclaration),
+            ExportNamedDeclaration: normalizeOptionValue(options.ExportDeclaration)
+        };
+    }
+
+    const value = normalizeOptionValue(options);
+
+    return { ObjectExpression: value, ObjectPattern: value, ImportDeclaration: value, ExportNamedDeclaration: value };
+}
+
+/**
+ * Determines if ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration
+ * node needs to be checked for missing line breaks
+ * @param {ASTNode} node Node under inspection
+ * @param {Object} options option specific to node type
+ * @param {Token} first First object property
+ * @param {Token} last Last object property
+ * @returns {boolean} `true` if node needs to be checked for missing line breaks
+ */
+function areLineBreaksRequired(node, options, first, last) {
+    let objectProperties;
+
+    if (node.type === "ObjectExpression" || node.type === "ObjectPattern") {
+        objectProperties = node.properties;
+    } else {
+
+        // is ImportDeclaration or ExportNamedDeclaration
+        objectProperties = node.specifiers
+            .filter(s => s.type === "ImportSpecifier" || s.type === "ExportSpecifier");
+    }
+
+    return objectProperties.length >= options.minProperties ||
+        (
+            options.multiline &&
+            objectProperties.length > 0 &&
+            first.loc.start.line !== last.loc.end.line
+        );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent line breaks inside braces",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/object-curly-newline"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    OPTION_VALUE,
+                    {
+                        type: "object",
+                        properties: {
+                            ObjectExpression: OPTION_VALUE,
+                            ObjectPattern: OPTION_VALUE,
+                            ImportDeclaration: OPTION_VALUE,
+                            ExportDeclaration: OPTION_VALUE
+                        },
+                        additionalProperties: false,
+                        minProperties: 1
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unexpectedLinebreakBeforeClosingBrace: "Unexpected line break before this closing brace.",
+            unexpectedLinebreakAfterOpeningBrace: "Unexpected line break after this opening brace.",
+            expectedLinebreakBeforeClosingBrace: "Expected a line break before this closing brace.",
+            expectedLinebreakAfterOpeningBrace: "Expected a line break after this opening brace."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const normalizedOptions = normalizeOptions(context.options[0]);
+
+        /**
+         * Reports a given node if it violated this rule.
+         * @param {ASTNode} node A node to check. This is an ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration node.
+         * @returns {void}
+         */
+        function check(node) {
+            const options = normalizedOptions[node.type];
+
+            if (
+                (node.type === "ImportDeclaration" &&
+                    !node.specifiers.some(specifier => specifier.type === "ImportSpecifier")) ||
+                (node.type === "ExportNamedDeclaration" &&
+                    !node.specifiers.some(specifier => specifier.type === "ExportSpecifier"))
+            ) {
+                return;
+            }
+
+            const openBrace = sourceCode.getFirstToken(node, token => token.value === "{");
+
+            let closeBrace;
+
+            if (node.typeAnnotation) {
+                closeBrace = sourceCode.getTokenBefore(node.typeAnnotation);
+            } else {
+                closeBrace = sourceCode.getLastToken(node, token => token.value === "}");
+            }
+
+            let first = sourceCode.getTokenAfter(openBrace, { includeComments: true });
+            let last = sourceCode.getTokenBefore(closeBrace, { includeComments: true });
+
+            const needsLineBreaks = areLineBreaksRequired(node, options, first, last);
+
+            const hasCommentsFirstToken = astUtils.isCommentToken(first);
+            const hasCommentsLastToken = astUtils.isCommentToken(last);
+
+            /*
+             * Use tokens or comments to check multiline or not.
+             * But use only tokens to check whether line breaks are needed.
+             * This allows:
+             *     var obj = { // eslint-disable-line foo
+             *         a: 1
+             *     }
+             */
+            first = sourceCode.getTokenAfter(openBrace);
+            last = sourceCode.getTokenBefore(closeBrace);
+
+            if (needsLineBreaks) {
+                if (astUtils.isTokenOnSameLine(openBrace, first)) {
+                    context.report({
+                        messageId: "expectedLinebreakAfterOpeningBrace",
+                        node,
+                        loc: openBrace.loc.start,
+                        fix(fixer) {
+                            if (hasCommentsFirstToken) {
+                                return null;
+                            }
+
+                            return fixer.insertTextAfter(openBrace, "\n");
+                        }
+                    });
+                }
+                if (astUtils.isTokenOnSameLine(last, closeBrace)) {
+                    context.report({
+                        messageId: "expectedLinebreakBeforeClosingBrace",
+                        node,
+                        loc: closeBrace.loc.start,
+                        fix(fixer) {
+                            if (hasCommentsLastToken) {
+                                return null;
+                            }
+
+                            return fixer.insertTextBefore(closeBrace, "\n");
+                        }
+                    });
+                }
+            } else {
+                const consistent = options.consistent;
+                const hasLineBreakBetweenOpenBraceAndFirst = !astUtils.isTokenOnSameLine(openBrace, first);
+                const hasLineBreakBetweenCloseBraceAndLast = !astUtils.isTokenOnSameLine(last, closeBrace);
+
+                if (
+                    (!consistent && hasLineBreakBetweenOpenBraceAndFirst) ||
+                    (consistent && hasLineBreakBetweenOpenBraceAndFirst && !hasLineBreakBetweenCloseBraceAndLast)
+                ) {
+                    context.report({
+                        messageId: "unexpectedLinebreakAfterOpeningBrace",
+                        node,
+                        loc: openBrace.loc.start,
+                        fix(fixer) {
+                            if (hasCommentsFirstToken) {
+                                return null;
+                            }
+
+                            return fixer.removeRange([
+                                openBrace.range[1],
+                                first.range[0]
+                            ]);
+                        }
+                    });
+                }
+                if (
+                    (!consistent && hasLineBreakBetweenCloseBraceAndLast) ||
+                    (consistent && !hasLineBreakBetweenOpenBraceAndFirst && hasLineBreakBetweenCloseBraceAndLast)
+                ) {
+                    context.report({
+                        messageId: "unexpectedLinebreakBeforeClosingBrace",
+                        node,
+                        loc: closeBrace.loc.start,
+                        fix(fixer) {
+                            if (hasCommentsLastToken) {
+                                return null;
+                            }
+
+                            return fixer.removeRange([
+                                last.range[1],
+                                closeBrace.range[0]
+                            ]);
+                        }
+                    });
+                }
+            }
+        }
+
+        return {
+            ObjectExpression: check,
+            ObjectPattern: check,
+            ImportDeclaration: check,
+            ExportNamedDeclaration: check
+        };
+    }
+};
diff --git a/eslint/lib/rules/object-curly-spacing.js b/eslint/lib/rules/object-curly-spacing.js
new file mode 100644
index 0000000..c0044f5
--- /dev/null
+++ b/eslint/lib/rules/object-curly-spacing.js
@@ -0,0 +1,308 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of object literals.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing inside braces",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/object-curly-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    arraysInObjects: {
+                        type: "boolean"
+                    },
+                    objectsInObjects: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            requireSpaceBefore: "A space is required before '{{token}}'.",
+            requireSpaceAfter: "A space is required after '{{token}}'.",
+            unexpectedSpaceBefore: "There should be no space before '{{token}}'.",
+            unexpectedSpaceAfter: "There should be no space after '{{token}}'."
+        }
+    },
+
+    create(context) {
+        const spaced = context.options[0] === "always",
+            sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether an option is set, relative to the spacing option.
+         * If spaced is "always", then check whether option is set to false.
+         * If spaced is "never", then check whether option is set to true.
+         * @param {Object} option The option to exclude.
+         * @returns {boolean} Whether or not the property is excluded.
+         */
+        function isOptionSet(option) {
+            return context.options[1] ? context.options[1][option] === !spaced : false;
+        }
+
+        const options = {
+            spaced,
+            arraysInObjectsException: isOptionSet("arraysInObjects"),
+            objectsInObjectsException: isOptionSet("objectsInObjects")
+        };
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports that there shouldn't be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoBeginningSpace(node, token) {
+            const nextToken = context.getSourceCode().getTokenAfter(token, { includeComments: true });
+
+            context.report({
+                node,
+                loc: { start: token.loc.end, end: nextToken.loc.start },
+                messageId: "unexpectedSpaceAfter",
+                data: {
+                    token: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([token.range[1], nextToken.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there shouldn't be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportNoEndingSpace(node, token) {
+            const previousToken = context.getSourceCode().getTokenBefore(token, { includeComments: true });
+
+            context.report({
+                node,
+                loc: { start: previousToken.loc.end, end: token.loc.start },
+                messageId: "unexpectedSpaceBefore",
+                data: {
+                    token: token.value
+                },
+                fix(fixer) {
+                    return fixer.removeRange([previousToken.range[1], token.range[0]]);
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space after the first token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredBeginningSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "requireSpaceAfter",
+                data: {
+                    token: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextAfter(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Reports that there should be a space before the last token
+         * @param {ASTNode} node The node to report in the event of an error.
+         * @param {Token} token The token to use for the report.
+         * @returns {void}
+         */
+        function reportRequiredEndingSpace(node, token) {
+            context.report({
+                node,
+                loc: token.loc,
+                messageId: "requireSpaceBefore",
+                data: {
+                    token: token.value
+                },
+                fix(fixer) {
+                    return fixer.insertTextBefore(token, " ");
+                }
+            });
+        }
+
+        /**
+         * Determines if spacing in curly braces is valid.
+         * @param {ASTNode} node The AST node to check.
+         * @param {Token} first The first token to check (should be the opening brace)
+         * @param {Token} second The second token to check (should be first after the opening brace)
+         * @param {Token} penultimate The penultimate token to check (should be last before closing brace)
+         * @param {Token} last The last token to check (should be closing brace)
+         * @returns {void}
+         */
+        function validateBraceSpacing(node, first, second, penultimate, last) {
+            if (astUtils.isTokenOnSameLine(first, second)) {
+                const firstSpaced = sourceCode.isSpaceBetweenTokens(first, second);
+
+                if (options.spaced && !firstSpaced) {
+                    reportRequiredBeginningSpace(node, first);
+                }
+                if (!options.spaced && firstSpaced && second.type !== "Line") {
+                    reportNoBeginningSpace(node, first);
+                }
+            }
+
+            if (astUtils.isTokenOnSameLine(penultimate, last)) {
+                const shouldCheckPenultimate = (
+                    options.arraysInObjectsException && astUtils.isClosingBracketToken(penultimate) ||
+                    options.objectsInObjectsException && astUtils.isClosingBraceToken(penultimate)
+                );
+                const penultimateType = shouldCheckPenultimate && sourceCode.getNodeByRangeIndex(penultimate.range[0]).type;
+
+                const closingCurlyBraceMustBeSpaced = (
+                    options.arraysInObjectsException && penultimateType === "ArrayExpression" ||
+                    options.objectsInObjectsException && (penultimateType === "ObjectExpression" || penultimateType === "ObjectPattern")
+                ) ? !options.spaced : options.spaced;
+
+                const lastSpaced = sourceCode.isSpaceBetweenTokens(penultimate, last);
+
+                if (closingCurlyBraceMustBeSpaced && !lastSpaced) {
+                    reportRequiredEndingSpace(node, last);
+                }
+                if (!closingCurlyBraceMustBeSpaced && lastSpaced) {
+                    reportNoEndingSpace(node, last);
+                }
+            }
+        }
+
+        /**
+         * Gets '}' token of an object node.
+         *
+         * Because the last token of object patterns might be a type annotation,
+         * this traverses tokens preceded by the last property, then returns the
+         * first '}' token.
+         * @param {ASTNode} node The node to get. This node is an
+         *      ObjectExpression or an ObjectPattern. And this node has one or
+         *      more properties.
+         * @returns {Token} '}' token.
+         */
+        function getClosingBraceOfObject(node) {
+            const lastProperty = node.properties[node.properties.length - 1];
+
+            return sourceCode.getTokenAfter(lastProperty, astUtils.isClosingBraceToken);
+        }
+
+        /**
+         * Reports a given object node if spacing in curly braces is invalid.
+         * @param {ASTNode} node An ObjectExpression or ObjectPattern node to check.
+         * @returns {void}
+         */
+        function checkForObject(node) {
+            if (node.properties.length === 0) {
+                return;
+            }
+
+            const first = sourceCode.getFirstToken(node),
+                last = getClosingBraceOfObject(node),
+                second = sourceCode.getTokenAfter(first, { includeComments: true }),
+                penultimate = sourceCode.getTokenBefore(last, { includeComments: true });
+
+            validateBraceSpacing(node, first, second, penultimate, last);
+        }
+
+        /**
+         * Reports a given import node if spacing in curly braces is invalid.
+         * @param {ASTNode} node An ImportDeclaration node to check.
+         * @returns {void}
+         */
+        function checkForImport(node) {
+            if (node.specifiers.length === 0) {
+                return;
+            }
+
+            let firstSpecifier = node.specifiers[0];
+            const lastSpecifier = node.specifiers[node.specifiers.length - 1];
+
+            if (lastSpecifier.type !== "ImportSpecifier") {
+                return;
+            }
+            if (firstSpecifier.type !== "ImportSpecifier") {
+                firstSpecifier = node.specifiers[1];
+            }
+
+            const first = sourceCode.getTokenBefore(firstSpecifier),
+                last = sourceCode.getTokenAfter(lastSpecifier, astUtils.isNotCommaToken),
+                second = sourceCode.getTokenAfter(first, { includeComments: true }),
+                penultimate = sourceCode.getTokenBefore(last, { includeComments: true });
+
+            validateBraceSpacing(node, first, second, penultimate, last);
+        }
+
+        /**
+         * Reports a given export node if spacing in curly braces is invalid.
+         * @param {ASTNode} node An ExportNamedDeclaration node to check.
+         * @returns {void}
+         */
+        function checkForExport(node) {
+            if (node.specifiers.length === 0) {
+                return;
+            }
+
+            const firstSpecifier = node.specifiers[0],
+                lastSpecifier = node.specifiers[node.specifiers.length - 1],
+                first = sourceCode.getTokenBefore(firstSpecifier),
+                last = sourceCode.getTokenAfter(lastSpecifier, astUtils.isNotCommaToken),
+                second = sourceCode.getTokenAfter(first, { includeComments: true }),
+                penultimate = sourceCode.getTokenBefore(last, { includeComments: true });
+
+            validateBraceSpacing(node, first, second, penultimate, last);
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            // var {x} = y;
+            ObjectPattern: checkForObject,
+
+            // var y = {x: 'y'}
+            ObjectExpression: checkForObject,
+
+            // import {y} from 'x';
+            ImportDeclaration: checkForImport,
+
+            // export {name} from 'yo';
+            ExportNamedDeclaration: checkForExport
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/object-property-newline.js b/eslint/lib/rules/object-property-newline.js
new file mode 100644
index 0000000..074bc77
--- /dev/null
+++ b/eslint/lib/rules/object-property-newline.js
@@ -0,0 +1,99 @@
+/**
+ * @fileoverview Rule to enforce placing object properties on separate lines.
+ * @author Vitor Balocco
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce placing object properties on separate lines",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/object-property-newline"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowAllPropertiesOnSameLine: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowMultiplePropertiesPerLine: { // Deprecated
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "whitespace",
+
+        messages: {
+            propertiesOnNewlineAll: "Object properties must go on a new line if they aren't all on the same line.",
+            propertiesOnNewline: "Object properties must go on a new line."
+        }
+    },
+
+    create(context) {
+        const allowSameLine = context.options[0] && (
+            (context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine /* Deprecated */)
+        );
+        const messageId = allowSameLine
+            ? "propertiesOnNewlineAll"
+            : "propertiesOnNewline";
+
+        const sourceCode = context.getSourceCode();
+
+        return {
+            ObjectExpression(node) {
+                if (allowSameLine) {
+                    if (node.properties.length > 1) {
+                        const firstTokenOfFirstProperty = sourceCode.getFirstToken(node.properties[0]);
+                        const lastTokenOfLastProperty = sourceCode.getLastToken(node.properties[node.properties.length - 1]);
+
+                        if (firstTokenOfFirstProperty.loc.end.line === lastTokenOfLastProperty.loc.start.line) {
+
+                            // All keys and values are on the same line
+                            return;
+                        }
+                    }
+                }
+
+                for (let i = 1; i < node.properties.length; i++) {
+                    const lastTokenOfPreviousProperty = sourceCode.getLastToken(node.properties[i - 1]);
+                    const firstTokenOfCurrentProperty = sourceCode.getFirstToken(node.properties[i]);
+
+                    if (lastTokenOfPreviousProperty.loc.end.line === firstTokenOfCurrentProperty.loc.start.line) {
+                        context.report({
+                            node,
+                            loc: firstTokenOfCurrentProperty.loc.start,
+                            messageId,
+                            fix(fixer) {
+                                const comma = sourceCode.getTokenBefore(firstTokenOfCurrentProperty);
+                                const rangeAfterComma = [comma.range[1], firstTokenOfCurrentProperty.range[0]];
+
+                                // Don't perform a fix if there are any comments between the comma and the next property.
+                                if (sourceCode.text.slice(rangeAfterComma[0], rangeAfterComma[1]).trim()) {
+                                    return null;
+                                }
+
+                                return fixer.replaceTextRange(rangeAfterComma, "\n");
+                            }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/object-shorthand.js b/eslint/lib/rules/object-shorthand.js
new file mode 100644
index 0000000..3999ff8
--- /dev/null
+++ b/eslint/lib/rules/object-shorthand.js
@@ -0,0 +1,508 @@
+/**
+ * @fileoverview Rule to enforce concise object methods and properties.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+const OPTIONS = {
+    always: "always",
+    never: "never",
+    methods: "methods",
+    properties: "properties",
+    consistent: "consistent",
+    consistentAsNeeded: "consistent-as-needed"
+};
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow method and property shorthand syntax for object literals",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/object-shorthand"
+        },
+
+        fixable: "code",
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "methods", "properties", "never", "consistent", "consistent-as-needed"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "methods", "properties"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                avoidQuotes: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "methods"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                ignoreConstructors: {
+                                    type: "boolean"
+                                },
+                                avoidQuotes: {
+                                    type: "boolean"
+                                },
+                                avoidExplicitReturnArrows: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        messages: {
+            expectedAllPropertiesShorthanded: "Expected shorthand for all properties.",
+            expectedLiteralMethodLongform: "Expected longform method syntax for string literal keys.",
+            expectedPropertyShorthand: "Expected property shorthand.",
+            expectedPropertyLongform: "Expected longform property syntax.",
+            expectedMethodShorthand: "Expected method shorthand.",
+            expectedMethodLongform: "Expected longform method syntax.",
+            unexpectedMix: "Unexpected mix of shorthand and non-shorthand properties."
+        }
+    },
+
+    create(context) {
+        const APPLY = context.options[0] || OPTIONS.always;
+        const APPLY_TO_METHODS = APPLY === OPTIONS.methods || APPLY === OPTIONS.always;
+        const APPLY_TO_PROPS = APPLY === OPTIONS.properties || APPLY === OPTIONS.always;
+        const APPLY_NEVER = APPLY === OPTIONS.never;
+        const APPLY_CONSISTENT = APPLY === OPTIONS.consistent;
+        const APPLY_CONSISTENT_AS_NEEDED = APPLY === OPTIONS.consistentAsNeeded;
+
+        const PARAMS = context.options[1] || {};
+        const IGNORE_CONSTRUCTORS = PARAMS.ignoreConstructors;
+        const AVOID_QUOTES = PARAMS.avoidQuotes;
+        const AVOID_EXPLICIT_RETURN_ARROWS = !!PARAMS.avoidExplicitReturnArrows;
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const CTOR_PREFIX_REGEX = /[^_$0-9]/u;
+
+        /**
+         * Determines if the first character of the name is a capital letter.
+         * @param {string} name The name of the node to evaluate.
+         * @returns {boolean} True if the first character of the property name is a capital letter, false if not.
+         * @private
+         */
+        function isConstructor(name) {
+            const match = CTOR_PREFIX_REGEX.exec(name);
+
+            // Not a constructor if name has no characters apart from '_', '$' and digits e.g. '_', '$$', '_8'
+            if (!match) {
+                return false;
+            }
+
+            const firstChar = name.charAt(match.index);
+
+            return firstChar === firstChar.toUpperCase();
+        }
+
+        /**
+         * Determines if the property can have a shorthand form.
+         * @param {ASTNode} property Property AST node
+         * @returns {boolean} True if the property can have a shorthand form
+         * @private
+         *
+         */
+        function canHaveShorthand(property) {
+            return (property.kind !== "set" && property.kind !== "get" && property.type !== "SpreadElement" && property.type !== "SpreadProperty" && property.type !== "ExperimentalSpreadProperty");
+        }
+
+        /**
+         * Checks whether a node is a string literal.
+         * @param   {ASTNode} node Any AST node.
+         * @returns {boolean} `true` if it is a string literal.
+         */
+        function isStringLiteral(node) {
+            return node.type === "Literal" && typeof node.value === "string";
+        }
+
+        /**
+         * Determines if the property is a shorthand or not.
+         * @param {ASTNode} property Property AST node
+         * @returns {boolean} True if the property is considered shorthand, false if not.
+         * @private
+         *
+         */
+        function isShorthand(property) {
+
+            // property.method is true when `{a(){}}`.
+            return (property.shorthand || property.method);
+        }
+
+        /**
+         * Determines if the property's key and method or value are named equally.
+         * @param {ASTNode} property Property AST node
+         * @returns {boolean} True if the key and value are named equally, false if not.
+         * @private
+         *
+         */
+        function isRedundant(property) {
+            const value = property.value;
+
+            if (value.type === "FunctionExpression") {
+                return !value.id; // Only anonymous should be shorthand method.
+            }
+            if (value.type === "Identifier") {
+                return astUtils.getStaticPropertyName(property) === value.name;
+            }
+
+            return false;
+        }
+
+        /**
+         * Ensures that an object's properties are consistently shorthand, or not shorthand at all.
+         * @param   {ASTNode} node Property AST node
+         * @param   {boolean} checkRedundancy Whether to check longform redundancy
+         * @returns {void}
+         *
+         */
+        function checkConsistency(node, checkRedundancy) {
+
+            // We are excluding getters/setters and spread properties as they are considered neither longform nor shorthand.
+            const properties = node.properties.filter(canHaveShorthand);
+
+            // Do we still have properties left after filtering the getters and setters?
+            if (properties.length > 0) {
+                const shorthandProperties = properties.filter(isShorthand);
+
+                /*
+                 * If we do not have an equal number of longform properties as
+                 * shorthand properties, we are using the annotations inconsistently
+                 */
+                if (shorthandProperties.length !== properties.length) {
+
+                    // We have at least 1 shorthand property
+                    if (shorthandProperties.length > 0) {
+                        context.report({ node, messageId: "unexpectedMix" });
+                    } else if (checkRedundancy) {
+
+                        /*
+                         * If all properties of the object contain a method or value with a name matching it's key,
+                         * all the keys are redundant.
+                         */
+                        const canAlwaysUseShorthand = properties.every(isRedundant);
+
+                        if (canAlwaysUseShorthand) {
+                            context.report({ node, messageId: "expectedAllPropertiesShorthanded" });
+                        }
+                    }
+                }
+            }
+        }
+
+        /**
+         * Fixes a FunctionExpression node by making it into a shorthand property.
+         * @param {SourceCodeFixer} fixer The fixer object
+         * @param {ASTNode} node A `Property` node that has a `FunctionExpression` or `ArrowFunctionExpression` as its value
+         * @returns {Object} A fix for this node
+         */
+        function makeFunctionShorthand(fixer, node) {
+            const firstKeyToken = node.computed
+                ? sourceCode.getFirstToken(node, astUtils.isOpeningBracketToken)
+                : sourceCode.getFirstToken(node.key);
+            const lastKeyToken = node.computed
+                ? sourceCode.getFirstTokenBetween(node.key, node.value, astUtils.isClosingBracketToken)
+                : sourceCode.getLastToken(node.key);
+            const keyText = sourceCode.text.slice(firstKeyToken.range[0], lastKeyToken.range[1]);
+            let keyPrefix = "";
+
+            // key: /* */ () => {}
+            if (sourceCode.commentsExistBetween(lastKeyToken, node.value)) {
+                return null;
+            }
+
+            if (node.value.async) {
+                keyPrefix += "async ";
+            }
+            if (node.value.generator) {
+                keyPrefix += "*";
+            }
+
+            const fixRange = [firstKeyToken.range[0], node.range[1]];
+            const methodPrefix = keyPrefix + keyText;
+
+            if (node.value.type === "FunctionExpression") {
+                const functionToken = sourceCode.getTokens(node.value).find(token => token.type === "Keyword" && token.value === "function");
+                const tokenBeforeParams = node.value.generator ? sourceCode.getTokenAfter(functionToken) : functionToken;
+
+                return fixer.replaceTextRange(
+                    fixRange,
+                    methodPrefix + sourceCode.text.slice(tokenBeforeParams.range[1], node.value.range[1])
+                );
+            }
+
+            const arrowToken = sourceCode.getTokenBefore(node.value.body, astUtils.isArrowToken);
+            const fnBody = sourceCode.text.slice(arrowToken.range[1], node.value.range[1]);
+
+            let shouldAddParensAroundParameters = false;
+            let tokenBeforeParams;
+
+            if (node.value.params.length === 0) {
+                tokenBeforeParams = sourceCode.getFirstToken(node.value, astUtils.isOpeningParenToken);
+            } else {
+                tokenBeforeParams = sourceCode.getTokenBefore(node.value.params[0]);
+            }
+
+            if (node.value.params.length === 1) {
+                const hasParen = astUtils.isOpeningParenToken(tokenBeforeParams);
+                const isTokenOutsideNode = tokenBeforeParams.range[0] < node.range[0];
+
+                shouldAddParensAroundParameters = !hasParen || isTokenOutsideNode;
+            }
+
+            const sliceStart = shouldAddParensAroundParameters
+                ? node.value.params[0].range[0]
+                : tokenBeforeParams.range[0];
+            const sliceEnd = sourceCode.getTokenBefore(arrowToken).range[1];
+
+            const oldParamText = sourceCode.text.slice(sliceStart, sliceEnd);
+            const newParamText = shouldAddParensAroundParameters ? `(${oldParamText})` : oldParamText;
+
+            return fixer.replaceTextRange(
+                fixRange,
+                methodPrefix + newParamText + fnBody
+            );
+
+        }
+
+        /**
+         * Fixes a FunctionExpression node by making it into a longform property.
+         * @param {SourceCodeFixer} fixer The fixer object
+         * @param {ASTNode} node A `Property` node that has a `FunctionExpression` as its value
+         * @returns {Object} A fix for this node
+         */
+        function makeFunctionLongform(fixer, node) {
+            const firstKeyToken = node.computed ? sourceCode.getTokens(node).find(token => token.value === "[") : sourceCode.getFirstToken(node.key);
+            const lastKeyToken = node.computed ? sourceCode.getTokensBetween(node.key, node.value).find(token => token.value === "]") : sourceCode.getLastToken(node.key);
+            const keyText = sourceCode.text.slice(firstKeyToken.range[0], lastKeyToken.range[1]);
+            let functionHeader = "function";
+
+            if (node.value.async) {
+                functionHeader = `async ${functionHeader}`;
+            }
+            if (node.value.generator) {
+                functionHeader = `${functionHeader}*`;
+            }
+
+            return fixer.replaceTextRange([node.range[0], lastKeyToken.range[1]], `${keyText}: ${functionHeader}`);
+        }
+
+        /*
+         * To determine whether a given arrow function has a lexical identifier (`this`, `arguments`, `super`, or `new.target`),
+         * create a stack of functions that define these identifiers (i.e. all functions except arrow functions) as the AST is
+         * traversed. Whenever a new function is encountered, create a new entry on the stack (corresponding to a different lexical
+         * scope of `this`), and whenever a function is exited, pop that entry off the stack. When an arrow function is entered,
+         * keep a reference to it on the current stack entry, and remove that reference when the arrow function is exited.
+         * When a lexical identifier is encountered, mark all the arrow functions on the current stack entry by adding them
+         * to an `arrowsWithLexicalIdentifiers` set. Any arrow function in that set will not be reported by this rule,
+         * because converting it into a method would change the value of one of the lexical identifiers.
+         */
+        const lexicalScopeStack = [];
+        const arrowsWithLexicalIdentifiers = new WeakSet();
+        const argumentsIdentifiers = new WeakSet();
+
+        /**
+         * Enters a function. This creates a new lexical identifier scope, so a new Set of arrow functions is pushed onto the stack.
+         * Also, this marks all `arguments` identifiers so that they can be detected later.
+         * @returns {void}
+         */
+        function enterFunction() {
+            lexicalScopeStack.unshift(new Set());
+            context.getScope().variables.filter(variable => variable.name === "arguments").forEach(variable => {
+                variable.references.map(ref => ref.identifier).forEach(identifier => argumentsIdentifiers.add(identifier));
+            });
+        }
+
+        /**
+         * Exits a function. This pops the current set of arrow functions off the lexical scope stack.
+         * @returns {void}
+         */
+        function exitFunction() {
+            lexicalScopeStack.shift();
+        }
+
+        /**
+         * Marks the current function as having a lexical keyword. This implies that all arrow functions
+         * in the current lexical scope contain a reference to this lexical keyword.
+         * @returns {void}
+         */
+        function reportLexicalIdentifier() {
+            lexicalScopeStack[0].forEach(arrowFunction => arrowsWithLexicalIdentifiers.add(arrowFunction));
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: enterFunction,
+            FunctionDeclaration: enterFunction,
+            FunctionExpression: enterFunction,
+            "Program:exit": exitFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            "FunctionExpression:exit": exitFunction,
+
+            ArrowFunctionExpression(node) {
+                lexicalScopeStack[0].add(node);
+            },
+            "ArrowFunctionExpression:exit"(node) {
+                lexicalScopeStack[0].delete(node);
+            },
+
+            ThisExpression: reportLexicalIdentifier,
+            Super: reportLexicalIdentifier,
+            MetaProperty(node) {
+                if (node.meta.name === "new" && node.property.name === "target") {
+                    reportLexicalIdentifier();
+                }
+            },
+            Identifier(node) {
+                if (argumentsIdentifiers.has(node)) {
+                    reportLexicalIdentifier();
+                }
+            },
+
+            ObjectExpression(node) {
+                if (APPLY_CONSISTENT) {
+                    checkConsistency(node, false);
+                } else if (APPLY_CONSISTENT_AS_NEEDED) {
+                    checkConsistency(node, true);
+                }
+            },
+
+            "Property:exit"(node) {
+                const isConciseProperty = node.method || node.shorthand;
+
+                // Ignore destructuring assignment
+                if (node.parent.type === "ObjectPattern") {
+                    return;
+                }
+
+                // getters and setters are ignored
+                if (node.kind === "get" || node.kind === "set") {
+                    return;
+                }
+
+                // only computed methods can fail the following checks
+                if (node.computed && node.value.type !== "FunctionExpression" && node.value.type !== "ArrowFunctionExpression") {
+                    return;
+                }
+
+                //--------------------------------------------------------------
+                // Checks for property/method shorthand.
+                if (isConciseProperty) {
+                    if (node.method && (APPLY_NEVER || AVOID_QUOTES && isStringLiteral(node.key))) {
+                        const messageId = APPLY_NEVER ? "expectedMethodLongform" : "expectedLiteralMethodLongform";
+
+                        // { x() {} } should be written as { x: function() {} }
+                        context.report({
+                            node,
+                            messageId,
+                            fix: fixer => makeFunctionLongform(fixer, node)
+                        });
+                    } else if (APPLY_NEVER) {
+
+                        // { x } should be written as { x: x }
+                        context.report({
+                            node,
+                            messageId: "expectedPropertyLongform",
+                            fix: fixer => fixer.insertTextAfter(node.key, `: ${node.key.name}`)
+                        });
+                    }
+                } else if (APPLY_TO_METHODS && !node.value.id && (node.value.type === "FunctionExpression" || node.value.type === "ArrowFunctionExpression")) {
+                    if (IGNORE_CONSTRUCTORS && node.key.type === "Identifier" && isConstructor(node.key.name)) {
+                        return;
+                    }
+                    if (AVOID_QUOTES && isStringLiteral(node.key)) {
+                        return;
+                    }
+
+                    // {[x]: function(){}} should be written as {[x]() {}}
+                    if (node.value.type === "FunctionExpression" ||
+                        node.value.type === "ArrowFunctionExpression" &&
+                        node.value.body.type === "BlockStatement" &&
+                        AVOID_EXPLICIT_RETURN_ARROWS &&
+                        !arrowsWithLexicalIdentifiers.has(node.value)
+                    ) {
+                        context.report({
+                            node,
+                            messageId: "expectedMethodShorthand",
+                            fix: fixer => makeFunctionShorthand(fixer, node)
+                        });
+                    }
+                } else if (node.value.type === "Identifier" && node.key.name === node.value.name && APPLY_TO_PROPS) {
+
+                    // {x: x} should be written as {x}
+                    context.report({
+                        node,
+                        messageId: "expectedPropertyShorthand",
+                        fix(fixer) {
+                            return fixer.replaceText(node, node.value.name);
+                        }
+                    });
+                } else if (node.value.type === "Identifier" && node.key.type === "Literal" && node.key.value === node.value.name && APPLY_TO_PROPS) {
+                    if (AVOID_QUOTES) {
+                        return;
+                    }
+
+                    // {"x": x} should be written as {x}
+                    context.report({
+                        node,
+                        messageId: "expectedPropertyShorthand",
+                        fix(fixer) {
+                            return fixer.replaceText(node, node.value.name);
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/one-var-declaration-per-line.js b/eslint/lib/rules/one-var-declaration-per-line.js
new file mode 100644
index 0000000..30ca2cf
--- /dev/null
+++ b/eslint/lib/rules/one-var-declaration-per-line.js
@@ -0,0 +1,92 @@
+/**
+ * @fileoverview Rule to check multiple var declarations per line
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow newlines around variable declarations",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/one-var-declaration-per-line"
+        },
+
+        schema: [
+            {
+                enum: ["always", "initializations"]
+            }
+        ],
+
+        fixable: "whitespace",
+
+        messages: {
+            expectVarOnNewline: "Expected variable declaration to be on a new line."
+        }
+    },
+
+    create(context) {
+
+        const always = context.options[0] === "always";
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+
+        /**
+         * Determine if provided keyword is a variant of for specifiers
+         * @private
+         * @param {string} keyword keyword to test
+         * @returns {boolean} True if `keyword` is a variant of for specifier
+         */
+        function isForTypeSpecifier(keyword) {
+            return keyword === "ForStatement" || keyword === "ForInStatement" || keyword === "ForOfStatement";
+        }
+
+        /**
+         * Checks newlines around variable declarations.
+         * @private
+         * @param {ASTNode} node `VariableDeclaration` node to test
+         * @returns {void}
+         */
+        function checkForNewLine(node) {
+            if (isForTypeSpecifier(node.parent.type)) {
+                return;
+            }
+
+            const declarations = node.declarations;
+            let prev;
+
+            declarations.forEach(current => {
+                if (prev && prev.loc.end.line === current.loc.start.line) {
+                    if (always || prev.init || current.init) {
+                        context.report({
+                            node,
+                            messageId: "expectVarOnNewline",
+                            loc: current.loc.start,
+                            fix: fixer => fixer.insertTextBefore(current, "\n")
+                        });
+                    }
+                }
+                prev = current;
+            });
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            VariableDeclaration: checkForNewLine
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/one-var.js b/eslint/lib/rules/one-var.js
new file mode 100644
index 0000000..c31a0d2
--- /dev/null
+++ b/eslint/lib/rules/one-var.js
@@ -0,0 +1,535 @@
+/**
+ * @fileoverview A rule to control the use of single variable declarations.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce variables to be declared either together or separately in functions",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/one-var"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never", "consecutive"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            separateRequires: {
+                                type: "boolean"
+                            },
+                            var: {
+                                enum: ["always", "never", "consecutive"]
+                            },
+                            let: {
+                                enum: ["always", "never", "consecutive"]
+                            },
+                            const: {
+                                enum: ["always", "never", "consecutive"]
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            initialized: {
+                                enum: ["always", "never", "consecutive"]
+                            },
+                            uninitialized: {
+                                enum: ["always", "never", "consecutive"]
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            combineUninitialized: "Combine this with the previous '{{type}}' statement with uninitialized variables.",
+            combineInitialized: "Combine this with the previous '{{type}}' statement with initialized variables.",
+            splitUninitialized: "Split uninitialized '{{type}}' declarations into multiple statements.",
+            splitInitialized: "Split initialized '{{type}}' declarations into multiple statements.",
+            splitRequires: "Split requires to be separated into a single block.",
+            combine: "Combine this with the previous '{{type}}' statement.",
+            split: "Split '{{type}}' declarations into multiple statements."
+        }
+    },
+
+    create(context) {
+        const MODE_ALWAYS = "always";
+        const MODE_NEVER = "never";
+        const MODE_CONSECUTIVE = "consecutive";
+        const mode = context.options[0] || MODE_ALWAYS;
+
+        const options = {};
+
+        if (typeof mode === "string") { // simple options configuration with just a string
+            options.var = { uninitialized: mode, initialized: mode };
+            options.let = { uninitialized: mode, initialized: mode };
+            options.const = { uninitialized: mode, initialized: mode };
+        } else if (typeof mode === "object") { // options configuration is an object
+            options.separateRequires = !!mode.separateRequires;
+            options.var = { uninitialized: mode.var, initialized: mode.var };
+            options.let = { uninitialized: mode.let, initialized: mode.let };
+            options.const = { uninitialized: mode.const, initialized: mode.const };
+            if (Object.prototype.hasOwnProperty.call(mode, "uninitialized")) {
+                options.var.uninitialized = mode.uninitialized;
+                options.let.uninitialized = mode.uninitialized;
+                options.const.uninitialized = mode.uninitialized;
+            }
+            if (Object.prototype.hasOwnProperty.call(mode, "initialized")) {
+                options.var.initialized = mode.initialized;
+                options.let.initialized = mode.initialized;
+                options.const.initialized = mode.initialized;
+            }
+        }
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        const functionStack = [];
+        const blockStack = [];
+
+        /**
+         * Increments the blockStack counter.
+         * @returns {void}
+         * @private
+         */
+        function startBlock() {
+            blockStack.push({
+                let: { initialized: false, uninitialized: false },
+                const: { initialized: false, uninitialized: false }
+            });
+        }
+
+        /**
+         * Increments the functionStack counter.
+         * @returns {void}
+         * @private
+         */
+        function startFunction() {
+            functionStack.push({ initialized: false, uninitialized: false });
+            startBlock();
+        }
+
+        /**
+         * Decrements the blockStack counter.
+         * @returns {void}
+         * @private
+         */
+        function endBlock() {
+            blockStack.pop();
+        }
+
+        /**
+         * Decrements the functionStack counter.
+         * @returns {void}
+         * @private
+         */
+        function endFunction() {
+            functionStack.pop();
+            endBlock();
+        }
+
+        /**
+         * Check if a variable declaration is a require.
+         * @param {ASTNode} decl variable declaration Node
+         * @returns {bool} if decl is a require, return true; else return false.
+         * @private
+         */
+        function isRequire(decl) {
+            return decl.init && decl.init.type === "CallExpression" && decl.init.callee.name === "require";
+        }
+
+        /**
+         * Records whether initialized/uninitialized/required variables are defined in current scope.
+         * @param {string} statementType node.kind, one of: "var", "let", or "const"
+         * @param {ASTNode[]} declarations List of declarations
+         * @param {Object} currentScope The scope being investigated
+         * @returns {void}
+         * @private
+         */
+        function recordTypes(statementType, declarations, currentScope) {
+            for (let i = 0; i < declarations.length; i++) {
+                if (declarations[i].init === null) {
+                    if (options[statementType] && options[statementType].uninitialized === MODE_ALWAYS) {
+                        currentScope.uninitialized = true;
+                    }
+                } else {
+                    if (options[statementType] && options[statementType].initialized === MODE_ALWAYS) {
+                        if (options.separateRequires && isRequire(declarations[i])) {
+                            currentScope.required = true;
+                        } else {
+                            currentScope.initialized = true;
+                        }
+                    }
+                }
+            }
+        }
+
+        /**
+         * Determines the current scope (function or block)
+         * @param  {string} statementType node.kind, one of: "var", "let", or "const"
+         * @returns {Object} The scope associated with statementType
+         */
+        function getCurrentScope(statementType) {
+            let currentScope;
+
+            if (statementType === "var") {
+                currentScope = functionStack[functionStack.length - 1];
+            } else if (statementType === "let") {
+                currentScope = blockStack[blockStack.length - 1].let;
+            } else if (statementType === "const") {
+                currentScope = blockStack[blockStack.length - 1].const;
+            }
+            return currentScope;
+        }
+
+        /**
+         * Counts the number of initialized and uninitialized declarations in a list of declarations
+         * @param {ASTNode[]} declarations List of declarations
+         * @returns {Object} Counts of 'uninitialized' and 'initialized' declarations
+         * @private
+         */
+        function countDeclarations(declarations) {
+            const counts = { uninitialized: 0, initialized: 0 };
+
+            for (let i = 0; i < declarations.length; i++) {
+                if (declarations[i].init === null) {
+                    counts.uninitialized++;
+                } else {
+                    counts.initialized++;
+                }
+            }
+            return counts;
+        }
+
+        /**
+         * Determines if there is more than one var statement in the current scope.
+         * @param {string} statementType node.kind, one of: "var", "let", or "const"
+         * @param {ASTNode[]} declarations List of declarations
+         * @returns {boolean} Returns true if it is the first var declaration, false if not.
+         * @private
+         */
+        function hasOnlyOneStatement(statementType, declarations) {
+
+            const declarationCounts = countDeclarations(declarations);
+            const currentOptions = options[statementType] || {};
+            const currentScope = getCurrentScope(statementType);
+            const hasRequires = declarations.some(isRequire);
+
+            if (currentOptions.uninitialized === MODE_ALWAYS && currentOptions.initialized === MODE_ALWAYS) {
+                if (currentScope.uninitialized || currentScope.initialized) {
+                    if (!hasRequires) {
+                        return false;
+                    }
+                }
+            }
+
+            if (declarationCounts.uninitialized > 0) {
+                if (currentOptions.uninitialized === MODE_ALWAYS && currentScope.uninitialized) {
+                    return false;
+                }
+            }
+            if (declarationCounts.initialized > 0) {
+                if (currentOptions.initialized === MODE_ALWAYS && currentScope.initialized) {
+                    if (!hasRequires) {
+                        return false;
+                    }
+                }
+            }
+            if (currentScope.required && hasRequires) {
+                return false;
+            }
+            recordTypes(statementType, declarations, currentScope);
+            return true;
+        }
+
+        /**
+         * Fixer to join VariableDeclaration's into a single declaration
+         * @param   {VariableDeclarator[]} declarations The `VariableDeclaration` to join
+         * @returns {Function}                         The fixer function
+         */
+        function joinDeclarations(declarations) {
+            const declaration = declarations[0];
+            const body = Array.isArray(declaration.parent.parent.body) ? declaration.parent.parent.body : [];
+            const currentIndex = body.findIndex(node => node.range[0] === declaration.parent.range[0]);
+            const previousNode = body[currentIndex - 1];
+
+            return fixer => {
+                const type = sourceCode.getTokenBefore(declaration);
+                const prevSemi = sourceCode.getTokenBefore(type);
+                const res = [];
+
+                if (previousNode && previousNode.kind === sourceCode.getText(type)) {
+                    if (prevSemi.value === ";") {
+                        res.push(fixer.replaceText(prevSemi, ","));
+                    } else {
+                        res.push(fixer.insertTextAfter(prevSemi, ","));
+                    }
+                    res.push(fixer.replaceText(type, ""));
+                }
+
+                return res;
+            };
+        }
+
+        /**
+         * Fixer to split a VariableDeclaration into individual declarations
+         * @param   {VariableDeclaration}   declaration The `VariableDeclaration` to split
+         * @returns {Function}                          The fixer function
+         */
+        function splitDeclarations(declaration) {
+            return fixer => declaration.declarations.map(declarator => {
+                const tokenAfterDeclarator = sourceCode.getTokenAfter(declarator);
+
+                if (tokenAfterDeclarator === null) {
+                    return null;
+                }
+
+                const afterComma = sourceCode.getTokenAfter(tokenAfterDeclarator, { includeComments: true });
+
+                if (tokenAfterDeclarator.value !== ",") {
+                    return null;
+                }
+
+                /*
+                 * `var x,y`
+                 * tokenAfterDeclarator ^^ afterComma
+                 */
+                if (afterComma.range[0] === tokenAfterDeclarator.range[1]) {
+                    return fixer.replaceText(tokenAfterDeclarator, `; ${declaration.kind} `);
+                }
+
+                /*
+                 * `var x,
+                 * tokenAfterDeclarator ^
+                 *      y`
+                 *      ^ afterComma
+                 */
+                if (
+                    afterComma.loc.start.line > tokenAfterDeclarator.loc.end.line ||
+                    afterComma.type === "Line" ||
+                    afterComma.type === "Block"
+                ) {
+                    let lastComment = afterComma;
+
+                    while (lastComment.type === "Line" || lastComment.type === "Block") {
+                        lastComment = sourceCode.getTokenAfter(lastComment, { includeComments: true });
+                    }
+
+                    return fixer.replaceTextRange(
+                        [tokenAfterDeclarator.range[0], lastComment.range[0]],
+                        `;${sourceCode.text.slice(tokenAfterDeclarator.range[1], lastComment.range[0])}${declaration.kind} `
+                    );
+                }
+
+                return fixer.replaceText(tokenAfterDeclarator, `; ${declaration.kind}`);
+            }).filter(x => x);
+        }
+
+        /**
+         * Checks a given VariableDeclaration node for errors.
+         * @param {ASTNode} node The VariableDeclaration node to check
+         * @returns {void}
+         * @private
+         */
+        function checkVariableDeclaration(node) {
+            const parent = node.parent;
+            const type = node.kind;
+
+            if (!options[type]) {
+                return;
+            }
+
+            const declarations = node.declarations;
+            const declarationCounts = countDeclarations(declarations);
+            const mixedRequires = declarations.some(isRequire) && !declarations.every(isRequire);
+
+            if (options[type].initialized === MODE_ALWAYS) {
+                if (options.separateRequires && mixedRequires) {
+                    context.report({
+                        node,
+                        messageId: "splitRequires"
+                    });
+                }
+            }
+
+            // consecutive
+            const nodeIndex = (parent.body && parent.body.length > 0 && parent.body.indexOf(node)) || 0;
+
+            if (nodeIndex > 0) {
+                const previousNode = parent.body[nodeIndex - 1];
+                const isPreviousNodeDeclaration = previousNode.type === "VariableDeclaration";
+                const declarationsWithPrevious = declarations.concat(previousNode.declarations || []);
+
+                if (
+                    isPreviousNodeDeclaration &&
+                    previousNode.kind === type &&
+                    !(declarationsWithPrevious.some(isRequire) && !declarationsWithPrevious.every(isRequire))
+                ) {
+                    const previousDeclCounts = countDeclarations(previousNode.declarations);
+
+                    if (options[type].initialized === MODE_CONSECUTIVE && options[type].uninitialized === MODE_CONSECUTIVE) {
+                        context.report({
+                            node,
+                            messageId: "combine",
+                            data: {
+                                type
+                            },
+                            fix: joinDeclarations(declarations)
+                        });
+                    } else if (options[type].initialized === MODE_CONSECUTIVE && declarationCounts.initialized > 0 && previousDeclCounts.initialized > 0) {
+                        context.report({
+                            node,
+                            messageId: "combineInitialized",
+                            data: {
+                                type
+                            },
+                            fix: joinDeclarations(declarations)
+                        });
+                    } else if (options[type].uninitialized === MODE_CONSECUTIVE &&
+                            declarationCounts.uninitialized > 0 &&
+                            previousDeclCounts.uninitialized > 0) {
+                        context.report({
+                            node,
+                            messageId: "combineUninitialized",
+                            data: {
+                                type
+                            },
+                            fix: joinDeclarations(declarations)
+                        });
+                    }
+                }
+            }
+
+            // always
+            if (!hasOnlyOneStatement(type, declarations)) {
+                if (options[type].initialized === MODE_ALWAYS && options[type].uninitialized === MODE_ALWAYS) {
+                    context.report({
+                        node,
+                        messageId: "combine",
+                        data: {
+                            type
+                        },
+                        fix: joinDeclarations(declarations)
+                    });
+                } else {
+                    if (options[type].initialized === MODE_ALWAYS && declarationCounts.initialized > 0) {
+                        context.report({
+                            node,
+                            messageId: "combineInitialized",
+                            data: {
+                                type
+                            },
+                            fix: joinDeclarations(declarations)
+                        });
+                    }
+                    if (options[type].uninitialized === MODE_ALWAYS && declarationCounts.uninitialized > 0) {
+                        if (node.parent.left === node && (node.parent.type === "ForInStatement" || node.parent.type === "ForOfStatement")) {
+                            return;
+                        }
+                        context.report({
+                            node,
+                            messageId: "combineUninitialized",
+                            data: {
+                                type
+                            },
+                            fix: joinDeclarations(declarations)
+                        });
+                    }
+                }
+            }
+
+            // never
+            if (parent.type !== "ForStatement" || parent.init !== node) {
+                const totalDeclarations = declarationCounts.uninitialized + declarationCounts.initialized;
+
+                if (totalDeclarations > 1) {
+                    if (options[type].initialized === MODE_NEVER && options[type].uninitialized === MODE_NEVER) {
+
+                        // both initialized and uninitialized
+                        context.report({
+                            node,
+                            messageId: "split",
+                            data: {
+                                type
+                            },
+                            fix: splitDeclarations(node)
+                        });
+                    } else if (options[type].initialized === MODE_NEVER && declarationCounts.initialized > 0) {
+
+                        // initialized
+                        context.report({
+                            node,
+                            messageId: "splitInitialized",
+                            data: {
+                                type
+                            },
+                            fix: splitDeclarations(node)
+                        });
+                    } else if (options[type].uninitialized === MODE_NEVER && declarationCounts.uninitialized > 0) {
+
+                        // uninitialized
+                        context.report({
+                            node,
+                            messageId: "splitUninitialized",
+                            data: {
+                                type
+                            },
+                            fix: splitDeclarations(node)
+                        });
+                    }
+                }
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: startFunction,
+            FunctionDeclaration: startFunction,
+            FunctionExpression: startFunction,
+            ArrowFunctionExpression: startFunction,
+            BlockStatement: startBlock,
+            ForStatement: startBlock,
+            ForInStatement: startBlock,
+            ForOfStatement: startBlock,
+            SwitchStatement: startBlock,
+            VariableDeclaration: checkVariableDeclaration,
+            "ForStatement:exit": endBlock,
+            "ForOfStatement:exit": endBlock,
+            "ForInStatement:exit": endBlock,
+            "SwitchStatement:exit": endBlock,
+            "BlockStatement:exit": endBlock,
+            "Program:exit": endFunction,
+            "FunctionDeclaration:exit": endFunction,
+            "FunctionExpression:exit": endFunction,
+            "ArrowFunctionExpression:exit": endFunction
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/operator-assignment.js b/eslint/lib/rules/operator-assignment.js
new file mode 100644
index 0000000..6820793
--- /dev/null
+++ b/eslint/lib/rules/operator-assignment.js
@@ -0,0 +1,243 @@
+/**
+ * @fileoverview Rule to replace assignment expressions with operator assignment
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether an operator is commutative and has an operator assignment
+ * shorthand form.
+ * @param   {string}  operator Operator to check.
+ * @returns {boolean}          True if the operator is commutative and has a
+ *     shorthand form.
+ */
+function isCommutativeOperatorWithShorthand(operator) {
+    return ["*", "&", "^", "|"].indexOf(operator) >= 0;
+}
+
+/**
+ * Checks whether an operator is not commutative and has an operator assignment
+ * shorthand form.
+ * @param   {string}  operator Operator to check.
+ * @returns {boolean}          True if the operator is not commutative and has
+ *     a shorthand form.
+ */
+function isNonCommutativeOperatorWithShorthand(operator) {
+    return ["+", "-", "/", "%", "<<", ">>", ">>>", "**"].indexOf(operator) >= 0;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether two expressions reference the same value. For example:
+ *     a = a
+ *     a.b = a.b
+ *     a[0] = a[0]
+ *     a['b'] = a['b']
+ * @param   {ASTNode} a Left side of the comparison.
+ * @param   {ASTNode} b Right side of the comparison.
+ * @returns {boolean}   True if both sides match and reference the same value.
+ */
+function same(a, b) {
+    if (a.type !== b.type) {
+        return false;
+    }
+
+    switch (a.type) {
+        case "Identifier":
+            return a.name === b.name;
+
+        case "Literal":
+            return a.value === b.value;
+
+        case "MemberExpression":
+
+            /*
+             * x[0] = x[0]
+             * x[y] = x[y]
+             * x.y = x.y
+             */
+            return same(a.object, b.object) && same(a.property, b.property);
+
+        case "ThisExpression":
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+/**
+ * Determines if the left side of a node can be safely fixed (i.e. if it activates the same getters/setters and)
+ * toString calls regardless of whether assignment shorthand is used)
+ * @param {ASTNode} node The node on the left side of the expression
+ * @returns {boolean} `true` if the node can be fixed
+ */
+function canBeFixed(node) {
+    return (
+        node.type === "Identifier" ||
+        (
+            node.type === "MemberExpression" &&
+            (node.object.type === "Identifier" || node.object.type === "ThisExpression") &&
+            (!node.computed || node.property.type === "Literal")
+        )
+    );
+}
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow assignment operator shorthand where possible",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/operator-assignment"
+        },
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            }
+        ],
+
+        fixable: "code",
+        messages: {
+            replaced: "Assignment can be replaced with operator assignment.",
+            unexpected: "Unexpected operator assignment shorthand."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Returns the operator token of an AssignmentExpression or BinaryExpression
+         * @param {ASTNode} node An AssignmentExpression or BinaryExpression node
+         * @returns {Token} The operator token in the node
+         */
+        function getOperatorToken(node) {
+            return sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+        }
+
+        /**
+         * Ensures that an assignment uses the shorthand form where possible.
+         * @param   {ASTNode} node An AssignmentExpression node.
+         * @returns {void}
+         */
+        function verify(node) {
+            if (node.operator !== "=" || node.right.type !== "BinaryExpression") {
+                return;
+            }
+
+            const left = node.left;
+            const expr = node.right;
+            const operator = expr.operator;
+
+            if (isCommutativeOperatorWithShorthand(operator) || isNonCommutativeOperatorWithShorthand(operator)) {
+                if (same(left, expr.left)) {
+                    context.report({
+                        node,
+                        messageId: "replaced",
+                        fix(fixer) {
+                            if (canBeFixed(left)) {
+                                const equalsToken = getOperatorToken(node);
+                                const operatorToken = getOperatorToken(expr);
+                                const leftText = sourceCode.getText().slice(node.range[0], equalsToken.range[0]);
+                                const rightText = sourceCode.getText().slice(operatorToken.range[1], node.right.range[1]);
+
+                                // Check for comments that would be removed.
+                                if (sourceCode.commentsExistBetween(equalsToken, operatorToken)) {
+                                    return null;
+                                }
+
+                                return fixer.replaceText(node, `${leftText}${expr.operator}=${rightText}`);
+                            }
+                            return null;
+                        }
+                    });
+                } else if (same(left, expr.right) && isCommutativeOperatorWithShorthand(operator)) {
+
+                    /*
+                     * This case can't be fixed safely.
+                     * If `a` and `b` both have custom valueOf() behavior, then fixing `a = b * a` to `a *= b` would
+                     * change the execution order of the valueOf() functions.
+                     */
+                    context.report({
+                        node,
+                        messageId: "replaced"
+                    });
+                }
+            }
+        }
+
+        /**
+         * Warns if an assignment expression uses operator assignment shorthand.
+         * @param   {ASTNode} node An AssignmentExpression node.
+         * @returns {void}
+         */
+        function prohibit(node) {
+            if (node.operator !== "=") {
+                context.report({
+                    node,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        if (canBeFixed(node.left)) {
+                            const firstToken = sourceCode.getFirstToken(node);
+                            const operatorToken = getOperatorToken(node);
+                            const leftText = sourceCode.getText().slice(node.range[0], operatorToken.range[0]);
+                            const newOperator = node.operator.slice(0, -1);
+                            let rightText;
+
+                            // Check for comments that would be duplicated.
+                            if (sourceCode.commentsExistBetween(firstToken, operatorToken)) {
+                                return null;
+                            }
+
+                            // If this change would modify precedence (e.g. `foo *= bar + 1` => `foo = foo * (bar + 1)`), parenthesize the right side.
+                            if (
+                                astUtils.getPrecedence(node.right) <= astUtils.getPrecedence({ type: "BinaryExpression", operator: newOperator }) &&
+                                !astUtils.isParenthesised(sourceCode, node.right)
+                            ) {
+                                rightText = `${sourceCode.text.slice(operatorToken.range[1], node.right.range[0])}(${sourceCode.getText(node.right)})`;
+                            } else {
+                                const tokenAfterOperator = sourceCode.getTokenAfter(operatorToken, { includeComments: true });
+                                let rightTextPrefix = "";
+
+                                if (
+                                    operatorToken.range[1] === tokenAfterOperator.range[0] &&
+                                    !astUtils.canTokensBeAdjacent({ type: "Punctuator", value: newOperator }, tokenAfterOperator)
+                                ) {
+                                    rightTextPrefix = " "; // foo+=+bar -> foo= foo+ +bar
+                                }
+
+                                rightText = `${rightTextPrefix}${sourceCode.text.slice(operatorToken.range[1], node.range[1])}`;
+                            }
+
+                            return fixer.replaceText(node, `${leftText}= ${leftText}${newOperator}${rightText}`);
+                        }
+                        return null;
+                    }
+                });
+            }
+        }
+
+        return {
+            AssignmentExpression: context.options[0] !== "never" ? verify : prohibit
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/operator-linebreak.js b/eslint/lib/rules/operator-linebreak.js
new file mode 100644
index 0000000..3395fea
--- /dev/null
+++ b/eslint/lib/rules/operator-linebreak.js
@@ -0,0 +1,250 @@
+/**
+ * @fileoverview Operator linebreak - enforces operator linebreak style of two types: after and before
+ * @author Benoît Zugmeyer
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent linebreak style for operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/operator-linebreak"
+        },
+
+        schema: [
+            {
+                enum: ["after", "before", "none", null]
+            },
+            {
+                type: "object",
+                properties: {
+                    overrides: {
+                        type: "object",
+                        properties: {
+                            anyOf: {
+                                type: "string",
+                                enum: ["after", "before", "none", "ignore"]
+                            }
+                        }
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            operatorAtBeginning: "'{{operator}}' should be placed at the beginning of the line.",
+            operatorAtEnd: "'{{operator}}' should be placed at the end of the line.",
+            badLinebreak: "Bad line breaking before and after '{{operator}}'.",
+            noLinebreak: "There should be no line break before or after '{{operator}}'."
+        }
+    },
+
+    create(context) {
+
+        const usedDefaultGlobal = !context.options[0];
+        const globalStyle = context.options[0] || "after";
+        const options = context.options[1] || {};
+        const styleOverrides = options.overrides ? Object.assign({}, options.overrides) : {};
+
+        if (usedDefaultGlobal && !styleOverrides["?"]) {
+            styleOverrides["?"] = "before";
+        }
+
+        if (usedDefaultGlobal && !styleOverrides[":"]) {
+            styleOverrides[":"] = "before";
+        }
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Gets a fixer function to fix rule issues
+         * @param {Token} operatorToken The operator token of an expression
+         * @param {string} desiredStyle The style for the rule. One of 'before', 'after', 'none'
+         * @returns {Function} A fixer function
+         */
+        function getFixer(operatorToken, desiredStyle) {
+            return fixer => {
+                const tokenBefore = sourceCode.getTokenBefore(operatorToken);
+                const tokenAfter = sourceCode.getTokenAfter(operatorToken);
+                const textBefore = sourceCode.text.slice(tokenBefore.range[1], operatorToken.range[0]);
+                const textAfter = sourceCode.text.slice(operatorToken.range[1], tokenAfter.range[0]);
+                const hasLinebreakBefore = !astUtils.isTokenOnSameLine(tokenBefore, operatorToken);
+                const hasLinebreakAfter = !astUtils.isTokenOnSameLine(operatorToken, tokenAfter);
+                let newTextBefore, newTextAfter;
+
+                if (hasLinebreakBefore !== hasLinebreakAfter && desiredStyle !== "none") {
+
+                    // If there is a comment before and after the operator, don't do a fix.
+                    if (sourceCode.getTokenBefore(operatorToken, { includeComments: true }) !== tokenBefore &&
+                        sourceCode.getTokenAfter(operatorToken, { includeComments: true }) !== tokenAfter) {
+
+                        return null;
+                    }
+
+                    /*
+                     * If there is only one linebreak and it's on the wrong side of the operator, swap the text before and after the operator.
+                     * foo &&
+                     *           bar
+                     * would get fixed to
+                     * foo
+                     *        && bar
+                     */
+                    newTextBefore = textAfter;
+                    newTextAfter = textBefore;
+                } else {
+                    const LINEBREAK_REGEX = astUtils.createGlobalLinebreakMatcher();
+
+                    // Otherwise, if no linebreak is desired and no comments interfere, replace the linebreaks with empty strings.
+                    newTextBefore = desiredStyle === "before" || textBefore.trim() ? textBefore : textBefore.replace(LINEBREAK_REGEX, "");
+                    newTextAfter = desiredStyle === "after" || textAfter.trim() ? textAfter : textAfter.replace(LINEBREAK_REGEX, "");
+
+                    // If there was no change (due to interfering comments), don't output a fix.
+                    if (newTextBefore === textBefore && newTextAfter === textAfter) {
+                        return null;
+                    }
+                }
+
+                if (newTextAfter === "" && tokenAfter.type === "Punctuator" && "+-".includes(operatorToken.value) && tokenAfter.value === operatorToken.value) {
+
+                    // To avoid accidentally creating a ++ or -- operator, insert a space if the operator is a +/- and the following token is a unary +/-.
+                    newTextAfter += " ";
+                }
+
+                return fixer.replaceTextRange([tokenBefore.range[1], tokenAfter.range[0]], newTextBefore + operatorToken.value + newTextAfter);
+            };
+        }
+
+        /**
+         * Checks the operator placement
+         * @param {ASTNode} node The node to check
+         * @param {ASTNode} leftSide The node that comes before the operator in `node`
+         * @private
+         * @returns {void}
+         */
+        function validateNode(node, leftSide) {
+
+            /*
+             * When the left part of a binary expression is a single expression wrapped in
+             * parentheses (ex: `(a) + b`), leftToken will be the last token of the expression
+             * and operatorToken will be the closing parenthesis.
+             * The leftToken should be the last closing parenthesis, and the operatorToken
+             * should be the token right after that.
+             */
+            const operatorToken = sourceCode.getTokenAfter(leftSide, astUtils.isNotClosingParenToken);
+            const leftToken = sourceCode.getTokenBefore(operatorToken);
+            const rightToken = sourceCode.getTokenAfter(operatorToken);
+            const operator = operatorToken.value;
+            const operatorStyleOverride = styleOverrides[operator];
+            const style = operatorStyleOverride || globalStyle;
+            const fix = getFixer(operatorToken, style);
+
+            // if single line
+            if (astUtils.isTokenOnSameLine(leftToken, operatorToken) &&
+                    astUtils.isTokenOnSameLine(operatorToken, rightToken)) {
+
+                // do nothing.
+
+            } else if (operatorStyleOverride !== "ignore" && !astUtils.isTokenOnSameLine(leftToken, operatorToken) &&
+                    !astUtils.isTokenOnSameLine(operatorToken, rightToken)) {
+
+                // lone operator
+                context.report({
+                    node,
+                    loc: operatorToken.loc,
+                    messageId: "badLinebreak",
+                    data: {
+                        operator
+                    },
+                    fix
+                });
+
+            } else if (style === "before" && astUtils.isTokenOnSameLine(leftToken, operatorToken)) {
+
+                context.report({
+                    node,
+                    loc: operatorToken.loc,
+                    messageId: "operatorAtBeginning",
+                    data: {
+                        operator
+                    },
+                    fix
+                });
+
+            } else if (style === "after" && astUtils.isTokenOnSameLine(operatorToken, rightToken)) {
+
+                context.report({
+                    node,
+                    loc: operatorToken.loc,
+                    messageId: "operatorAtEnd",
+                    data: {
+                        operator
+                    },
+                    fix
+                });
+
+            } else if (style === "none") {
+
+                context.report({
+                    node,
+                    loc: operatorToken.loc,
+                    messageId: "noLinebreak",
+                    data: {
+                        operator
+                    },
+                    fix
+                });
+
+            }
+        }
+
+        /**
+         * Validates a binary expression using `validateNode`
+         * @param {BinaryExpression|LogicalExpression|AssignmentExpression} node node to be validated
+         * @returns {void}
+         */
+        function validateBinaryExpression(node) {
+            validateNode(node, node.left);
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            BinaryExpression: validateBinaryExpression,
+            LogicalExpression: validateBinaryExpression,
+            AssignmentExpression: validateBinaryExpression,
+            VariableDeclarator(node) {
+                if (node.init) {
+                    validateNode(node, node.id);
+                }
+            },
+            ConditionalExpression(node) {
+                validateNode(node, node.test);
+                validateNode(node, node.consequent);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/padded-blocks.js b/eslint/lib/rules/padded-blocks.js
new file mode 100644
index 0000000..f58a753
--- /dev/null
+++ b/eslint/lib/rules/padded-blocks.js
@@ -0,0 +1,284 @@
+/**
+ * @fileoverview A rule to ensure blank lines within blocks.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow padding within blocks",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/padded-blocks"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            blocks: {
+                                enum: ["always", "never"]
+                            },
+                            switches: {
+                                enum: ["always", "never"]
+                            },
+                            classes: {
+                                enum: ["always", "never"]
+                            }
+                        },
+                        additionalProperties: false,
+                        minProperties: 1
+                    }
+                ]
+            },
+            {
+                type: "object",
+                properties: {
+                    allowSingleLineBlocks: {
+                        type: "boolean"
+                    }
+                }
+            }
+        ],
+
+        messages: {
+            alwaysPadBlock: "Block must be padded by blank lines.",
+            neverPadBlock: "Block must not be padded by blank lines."
+        }
+    },
+
+    create(context) {
+        const options = {};
+        const typeOptions = context.options[0] || "always";
+        const exceptOptions = context.options[1] || {};
+
+        if (typeof typeOptions === "string") {
+            const shouldHavePadding = typeOptions === "always";
+
+            options.blocks = shouldHavePadding;
+            options.switches = shouldHavePadding;
+            options.classes = shouldHavePadding;
+        } else {
+            if (Object.prototype.hasOwnProperty.call(typeOptions, "blocks")) {
+                options.blocks = typeOptions.blocks === "always";
+            }
+            if (Object.prototype.hasOwnProperty.call(typeOptions, "switches")) {
+                options.switches = typeOptions.switches === "always";
+            }
+            if (Object.prototype.hasOwnProperty.call(typeOptions, "classes")) {
+                options.classes = typeOptions.classes === "always";
+            }
+        }
+
+        if (Object.prototype.hasOwnProperty.call(exceptOptions, "allowSingleLineBlocks")) {
+            options.allowSingleLineBlocks = exceptOptions.allowSingleLineBlocks === true;
+        }
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Gets the open brace token from a given node.
+         * @param {ASTNode} node A BlockStatement or SwitchStatement node from which to get the open brace.
+         * @returns {Token} The token of the open brace.
+         */
+        function getOpenBrace(node) {
+            if (node.type === "SwitchStatement") {
+                return sourceCode.getTokenBefore(node.cases[0]);
+            }
+            return sourceCode.getFirstToken(node);
+        }
+
+        /**
+         * Checks if the given parameter is a comment node
+         * @param {ASTNode|Token} node An AST node or token
+         * @returns {boolean} True if node is a comment
+         */
+        function isComment(node) {
+            return node.type === "Line" || node.type === "Block";
+        }
+
+        /**
+         * Checks if there is padding between two tokens
+         * @param {Token} first The first token
+         * @param {Token} second The second token
+         * @returns {boolean} True if there is at least a line between the tokens
+         */
+        function isPaddingBetweenTokens(first, second) {
+            return second.loc.start.line - first.loc.end.line >= 2;
+        }
+
+
+        /**
+         * Checks if the given token has a blank line after it.
+         * @param {Token} token The token to check.
+         * @returns {boolean} Whether or not the token is followed by a blank line.
+         */
+        function getFirstBlockToken(token) {
+            let prev,
+                first = token;
+
+            do {
+                prev = first;
+                first = sourceCode.getTokenAfter(first, { includeComments: true });
+            } while (isComment(first) && first.loc.start.line === prev.loc.end.line);
+
+            return first;
+        }
+
+        /**
+         * Checks if the given token is preceded by a blank line.
+         * @param {Token} token The token to check
+         * @returns {boolean} Whether or not the token is preceded by a blank line
+         */
+        function getLastBlockToken(token) {
+            let last = token,
+                next;
+
+            do {
+                next = last;
+                last = sourceCode.getTokenBefore(last, { includeComments: true });
+            } while (isComment(last) && last.loc.end.line === next.loc.start.line);
+
+            return last;
+        }
+
+        /**
+         * Checks if a node should be padded, according to the rule config.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {boolean} True if the node should be padded, false otherwise.
+         */
+        function requirePaddingFor(node) {
+            switch (node.type) {
+                case "BlockStatement":
+                    return options.blocks;
+                case "SwitchStatement":
+                    return options.switches;
+                case "ClassBody":
+                    return options.classes;
+
+                /* istanbul ignore next */
+                default:
+                    throw new Error("unreachable");
+            }
+        }
+
+        /**
+         * Checks the given BlockStatement node to be padded if the block is not empty.
+         * @param {ASTNode} node The AST node of a BlockStatement.
+         * @returns {void} undefined.
+         */
+        function checkPadding(node) {
+            const openBrace = getOpenBrace(node),
+                firstBlockToken = getFirstBlockToken(openBrace),
+                tokenBeforeFirst = sourceCode.getTokenBefore(firstBlockToken, { includeComments: true }),
+                closeBrace = sourceCode.getLastToken(node),
+                lastBlockToken = getLastBlockToken(closeBrace),
+                tokenAfterLast = sourceCode.getTokenAfter(lastBlockToken, { includeComments: true }),
+                blockHasTopPadding = isPaddingBetweenTokens(tokenBeforeFirst, firstBlockToken),
+                blockHasBottomPadding = isPaddingBetweenTokens(lastBlockToken, tokenAfterLast);
+
+            if (options.allowSingleLineBlocks && astUtils.isTokenOnSameLine(tokenBeforeFirst, tokenAfterLast)) {
+                return;
+            }
+
+            if (requirePaddingFor(node)) {
+                if (!blockHasTopPadding) {
+                    context.report({
+                        node,
+                        loc: { line: tokenBeforeFirst.loc.start.line, column: tokenBeforeFirst.loc.start.column },
+                        fix(fixer) {
+                            return fixer.insertTextAfter(tokenBeforeFirst, "\n");
+                        },
+                        messageId: "alwaysPadBlock"
+                    });
+                }
+                if (!blockHasBottomPadding) {
+                    context.report({
+                        node,
+                        loc: { line: tokenAfterLast.loc.end.line, column: tokenAfterLast.loc.end.column - 1 },
+                        fix(fixer) {
+                            return fixer.insertTextBefore(tokenAfterLast, "\n");
+                        },
+                        messageId: "alwaysPadBlock"
+                    });
+                }
+            } else {
+                if (blockHasTopPadding) {
+
+                    context.report({
+                        node,
+                        loc: { line: tokenBeforeFirst.loc.start.line, column: tokenBeforeFirst.loc.start.column },
+                        fix(fixer) {
+                            return fixer.replaceTextRange([tokenBeforeFirst.range[1], firstBlockToken.range[0] - firstBlockToken.loc.start.column], "\n");
+                        },
+                        messageId: "neverPadBlock"
+                    });
+                }
+
+                if (blockHasBottomPadding) {
+
+                    context.report({
+                        node,
+                        loc: { line: tokenAfterLast.loc.end.line, column: tokenAfterLast.loc.end.column - 1 },
+                        messageId: "neverPadBlock",
+                        fix(fixer) {
+                            return fixer.replaceTextRange([lastBlockToken.range[1], tokenAfterLast.range[0] - tokenAfterLast.loc.start.column], "\n");
+                        }
+                    });
+                }
+            }
+        }
+
+        const rule = {};
+
+        if (Object.prototype.hasOwnProperty.call(options, "switches")) {
+            rule.SwitchStatement = function(node) {
+                if (node.cases.length === 0) {
+                    return;
+                }
+                checkPadding(node);
+            };
+        }
+
+        if (Object.prototype.hasOwnProperty.call(options, "blocks")) {
+            rule.BlockStatement = function(node) {
+                if (node.body.length === 0) {
+                    return;
+                }
+                checkPadding(node);
+            };
+        }
+
+        if (Object.prototype.hasOwnProperty.call(options, "classes")) {
+            rule.ClassBody = function(node) {
+                if (node.body.length === 0) {
+                    return;
+                }
+                checkPadding(node);
+            };
+        }
+
+        return rule;
+    }
+};
diff --git a/eslint/lib/rules/padding-line-between-statements.js b/eslint/lib/rules/padding-line-between-statements.js
new file mode 100644
index 0000000..eea19f5
--- /dev/null
+++ b/eslint/lib/rules/padding-line-between-statements.js
@@ -0,0 +1,632 @@
+/**
+ * @fileoverview Rule to require or disallow newlines between statements
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const LT = `[${Array.from(astUtils.LINEBREAKS).join("")}]`;
+const PADDING_LINE_SEQUENCE = new RegExp(
+    String.raw`^(\s*?${LT})\s*${LT}(\s*;?)$`,
+    "u"
+);
+const CJS_EXPORT = /^(?:module\s*\.\s*)?exports(?:\s*\.|\s*\[|$)/u;
+const CJS_IMPORT = /^require\(/u;
+
+/**
+ * Creates tester which check if a node starts with specific keyword.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+function newKeywordTester(keyword) {
+    return {
+        test: (node, sourceCode) =>
+            sourceCode.getFirstToken(node).value === keyword
+    };
+}
+
+/**
+ * Creates tester which check if a node starts with specific keyword and spans a single line.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+function newSinglelineKeywordTester(keyword) {
+    return {
+        test: (node, sourceCode) =>
+            node.loc.start.line === node.loc.end.line &&
+            sourceCode.getFirstToken(node).value === keyword
+    };
+}
+
+/**
+ * Creates tester which check if a node starts with specific keyword and spans multiple lines.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+function newMultilineKeywordTester(keyword) {
+    return {
+        test: (node, sourceCode) =>
+            node.loc.start.line !== node.loc.end.line &&
+            sourceCode.getFirstToken(node).value === keyword
+    };
+}
+
+/**
+ * Creates tester which check if a node is specific type.
+ * @param {string} type The node type to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+function newNodeTypeTester(type) {
+    return {
+        test: node =>
+            node.type === type
+    };
+}
+
+/**
+ * Checks the given node is an expression statement of IIFE.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is an expression statement of IIFE.
+ * @private
+ */
+function isIIFEStatement(node) {
+    if (node.type === "ExpressionStatement") {
+        let call = node.expression;
+
+        if (call.type === "UnaryExpression") {
+            call = call.argument;
+        }
+        return call.type === "CallExpression" && astUtils.isFunction(call.callee);
+    }
+    return false;
+}
+
+/**
+ * Checks whether the given node is a block-like statement.
+ * This checks the last token of the node is the closing brace of a block.
+ * @param {SourceCode} sourceCode The source code to get tokens.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a block-like statement.
+ * @private
+ */
+function isBlockLikeStatement(sourceCode, node) {
+
+    // do-while with a block is a block-like statement.
+    if (node.type === "DoWhileStatement" && node.body.type === "BlockStatement") {
+        return true;
+    }
+
+    /*
+     * IIFE is a block-like statement specially from
+     * JSCS#disallowPaddingNewLinesAfterBlocks.
+     */
+    if (isIIFEStatement(node)) {
+        return true;
+    }
+
+    // Checks the last token is a closing brace of blocks.
+    const lastToken = sourceCode.getLastToken(node, astUtils.isNotSemicolonToken);
+    const belongingNode = lastToken && astUtils.isClosingBraceToken(lastToken)
+        ? sourceCode.getNodeByRangeIndex(lastToken.range[0])
+        : null;
+
+    return Boolean(belongingNode) && (
+        belongingNode.type === "BlockStatement" ||
+        belongingNode.type === "SwitchStatement"
+    );
+}
+
+/**
+ * Check whether the given node is a directive or not.
+ * @param {ASTNode} node The node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is a directive.
+ */
+function isDirective(node, sourceCode) {
+    return (
+        node.type === "ExpressionStatement" &&
+        (
+            node.parent.type === "Program" ||
+            (
+                node.parent.type === "BlockStatement" &&
+                astUtils.isFunction(node.parent.parent)
+            )
+        ) &&
+        node.expression.type === "Literal" &&
+        typeof node.expression.value === "string" &&
+        !astUtils.isParenthesised(sourceCode, node.expression)
+    );
+}
+
+/**
+ * Check whether the given node is a part of directive prologue or not.
+ * @param {ASTNode} node The node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is a part of directive prologue.
+ */
+function isDirectivePrologue(node, sourceCode) {
+    if (isDirective(node, sourceCode)) {
+        for (const sibling of node.parent.body) {
+            if (sibling === node) {
+                break;
+            }
+            if (!isDirective(sibling, sourceCode)) {
+                return false;
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
+/**
+ * Gets the actual last token.
+ *
+ * If a semicolon is semicolon-less style's semicolon, this ignores it.
+ * For example:
+ *
+ *     foo()
+ *     ;[1, 2, 3].forEach(bar)
+ * @param {SourceCode} sourceCode The source code to get tokens.
+ * @param {ASTNode} node The node to get.
+ * @returns {Token} The actual last token.
+ * @private
+ */
+function getActualLastToken(sourceCode, node) {
+    const semiToken = sourceCode.getLastToken(node);
+    const prevToken = sourceCode.getTokenBefore(semiToken);
+    const nextToken = sourceCode.getTokenAfter(semiToken);
+    const isSemicolonLessStyle = Boolean(
+        prevToken &&
+        nextToken &&
+        prevToken.range[0] >= node.range[0] &&
+        astUtils.isSemicolonToken(semiToken) &&
+        semiToken.loc.start.line !== prevToken.loc.end.line &&
+        semiToken.loc.end.line === nextToken.loc.start.line
+    );
+
+    return isSemicolonLessStyle ? prevToken : semiToken;
+}
+
+/**
+ * This returns the concatenation of the first 2 captured strings.
+ * @param {string} _ Unused. Whole matched string.
+ * @param {string} trailingSpaces The trailing spaces of the first line.
+ * @param {string} indentSpaces The indentation spaces of the last line.
+ * @returns {string} The concatenation of trailingSpaces and indentSpaces.
+ * @private
+ */
+function replacerToRemovePaddingLines(_, trailingSpaces, indentSpaces) {
+    return trailingSpaces + indentSpaces;
+}
+
+/**
+ * Check and report statements for `any` configuration.
+ * It does nothing.
+ * @returns {void}
+ * @private
+ */
+function verifyForAny() {
+}
+
+/**
+ * Check and report statements for `never` configuration.
+ * This autofix removes blank lines between the given 2 statements.
+ * However, if comments exist between 2 blank lines, it does not remove those
+ * blank lines automatically.
+ * @param {RuleContext} context The rule context to report.
+ * @param {ASTNode} _ Unused. The previous node to check.
+ * @param {ASTNode} nextNode The next node to check.
+ * @param {Array<Token[]>} paddingLines The array of token pairs that blank
+ * lines exist between the pair.
+ * @returns {void}
+ * @private
+ */
+function verifyForNever(context, _, nextNode, paddingLines) {
+    if (paddingLines.length === 0) {
+        return;
+    }
+
+    context.report({
+        node: nextNode,
+        messageId: "unexpectedBlankLine",
+        fix(fixer) {
+            if (paddingLines.length >= 2) {
+                return null;
+            }
+
+            const prevToken = paddingLines[0][0];
+            const nextToken = paddingLines[0][1];
+            const start = prevToken.range[1];
+            const end = nextToken.range[0];
+            const text = context.getSourceCode().text
+                .slice(start, end)
+                .replace(PADDING_LINE_SEQUENCE, replacerToRemovePaddingLines);
+
+            return fixer.replaceTextRange([start, end], text);
+        }
+    });
+}
+
+/**
+ * Check and report statements for `always` configuration.
+ * This autofix inserts a blank line between the given 2 statements.
+ * If the `prevNode` has trailing comments, it inserts a blank line after the
+ * trailing comments.
+ * @param {RuleContext} context The rule context to report.
+ * @param {ASTNode} prevNode The previous node to check.
+ * @param {ASTNode} nextNode The next node to check.
+ * @param {Array<Token[]>} paddingLines The array of token pairs that blank
+ * lines exist between the pair.
+ * @returns {void}
+ * @private
+ */
+function verifyForAlways(context, prevNode, nextNode, paddingLines) {
+    if (paddingLines.length > 0) {
+        return;
+    }
+
+    context.report({
+        node: nextNode,
+        messageId: "expectedBlankLine",
+        fix(fixer) {
+            const sourceCode = context.getSourceCode();
+            let prevToken = getActualLastToken(sourceCode, prevNode);
+            const nextToken = sourceCode.getFirstTokenBetween(
+                prevToken,
+                nextNode,
+                {
+                    includeComments: true,
+
+                    /**
+                     * Skip the trailing comments of the previous node.
+                     * This inserts a blank line after the last trailing comment.
+                     *
+                     * For example:
+                     *
+                     *     foo(); // trailing comment.
+                     *     // comment.
+                     *     bar();
+                     *
+                     * Get fixed to:
+                     *
+                     *     foo(); // trailing comment.
+                     *
+                     *     // comment.
+                     *     bar();
+                     * @param {Token} token The token to check.
+                     * @returns {boolean} `true` if the token is not a trailing comment.
+                     * @private
+                     */
+                    filter(token) {
+                        if (astUtils.isTokenOnSameLine(prevToken, token)) {
+                            prevToken = token;
+                            return false;
+                        }
+                        return true;
+                    }
+                }
+            ) || nextNode;
+            const insertText = astUtils.isTokenOnSameLine(prevToken, nextToken)
+                ? "\n\n"
+                : "\n";
+
+            return fixer.insertTextAfter(prevToken, insertText);
+        }
+    });
+}
+
+/**
+ * Types of blank lines.
+ * `any`, `never`, and `always` are defined.
+ * Those have `verify` method to check and report statements.
+ * @private
+ */
+const PaddingTypes = {
+    any: { verify: verifyForAny },
+    never: { verify: verifyForNever },
+    always: { verify: verifyForAlways }
+};
+
+/**
+ * Types of statements.
+ * Those have `test` method to check it matches to the given statement.
+ * @private
+ */
+const StatementTypes = {
+    "*": { test: () => true },
+    "block-like": {
+        test: (node, sourceCode) => isBlockLikeStatement(sourceCode, node)
+    },
+    "cjs-export": {
+        test: (node, sourceCode) =>
+            node.type === "ExpressionStatement" &&
+            node.expression.type === "AssignmentExpression" &&
+            CJS_EXPORT.test(sourceCode.getText(node.expression.left))
+    },
+    "cjs-import": {
+        test: (node, sourceCode) =>
+            node.type === "VariableDeclaration" &&
+            node.declarations.length > 0 &&
+            Boolean(node.declarations[0].init) &&
+            CJS_IMPORT.test(sourceCode.getText(node.declarations[0].init))
+    },
+    directive: {
+        test: isDirectivePrologue
+    },
+    expression: {
+        test: (node, sourceCode) =>
+            node.type === "ExpressionStatement" &&
+            !isDirectivePrologue(node, sourceCode)
+    },
+    iife: {
+        test: isIIFEStatement
+    },
+    "multiline-block-like": {
+        test: (node, sourceCode) =>
+            node.loc.start.line !== node.loc.end.line &&
+            isBlockLikeStatement(sourceCode, node)
+    },
+    "multiline-expression": {
+        test: (node, sourceCode) =>
+            node.loc.start.line !== node.loc.end.line &&
+            node.type === "ExpressionStatement" &&
+            !isDirectivePrologue(node, sourceCode)
+    },
+
+    "multiline-const": newMultilineKeywordTester("const"),
+    "multiline-let": newMultilineKeywordTester("let"),
+    "multiline-var": newMultilineKeywordTester("var"),
+    "singleline-const": newSinglelineKeywordTester("const"),
+    "singleline-let": newSinglelineKeywordTester("let"),
+    "singleline-var": newSinglelineKeywordTester("var"),
+
+    block: newNodeTypeTester("BlockStatement"),
+    empty: newNodeTypeTester("EmptyStatement"),
+    function: newNodeTypeTester("FunctionDeclaration"),
+
+    break: newKeywordTester("break"),
+    case: newKeywordTester("case"),
+    class: newKeywordTester("class"),
+    const: newKeywordTester("const"),
+    continue: newKeywordTester("continue"),
+    debugger: newKeywordTester("debugger"),
+    default: newKeywordTester("default"),
+    do: newKeywordTester("do"),
+    export: newKeywordTester("export"),
+    for: newKeywordTester("for"),
+    if: newKeywordTester("if"),
+    import: newKeywordTester("import"),
+    let: newKeywordTester("let"),
+    return: newKeywordTester("return"),
+    switch: newKeywordTester("switch"),
+    throw: newKeywordTester("throw"),
+    try: newKeywordTester("try"),
+    var: newKeywordTester("var"),
+    while: newKeywordTester("while"),
+    with: newKeywordTester("with")
+};
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow padding lines between statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/padding-line-between-statements"
+        },
+
+        fixable: "whitespace",
+
+        schema: {
+            definitions: {
+                paddingType: {
+                    enum: Object.keys(PaddingTypes)
+                },
+                statementType: {
+                    anyOf: [
+                        { enum: Object.keys(StatementTypes) },
+                        {
+                            type: "array",
+                            items: { enum: Object.keys(StatementTypes) },
+                            minItems: 1,
+                            uniqueItems: true,
+                            additionalItems: false
+                        }
+                    ]
+                }
+            },
+            type: "array",
+            items: {
+                type: "object",
+                properties: {
+                    blankLine: { $ref: "#/definitions/paddingType" },
+                    prev: { $ref: "#/definitions/statementType" },
+                    next: { $ref: "#/definitions/statementType" }
+                },
+                additionalProperties: false,
+                required: ["blankLine", "prev", "next"]
+            },
+            additionalItems: false
+        },
+
+        messages: {
+            unexpectedBlankLine: "Unexpected blank line before this statement.",
+            expectedBlankLine: "Expected blank line before this statement."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const configureList = context.options || [];
+        let scopeInfo = null;
+
+        /**
+         * Processes to enter to new scope.
+         * This manages the current previous statement.
+         * @returns {void}
+         * @private
+         */
+        function enterScope() {
+            scopeInfo = {
+                upper: scopeInfo,
+                prevNode: null
+            };
+        }
+
+        /**
+         * Processes to exit from the current scope.
+         * @returns {void}
+         * @private
+         */
+        function exitScope() {
+            scopeInfo = scopeInfo.upper;
+        }
+
+        /**
+         * Checks whether the given node matches the given type.
+         * @param {ASTNode} node The statement node to check.
+         * @param {string|string[]} type The statement type to check.
+         * @returns {boolean} `true` if the statement node matched the type.
+         * @private
+         */
+        function match(node, type) {
+            let innerStatementNode = node;
+
+            while (innerStatementNode.type === "LabeledStatement") {
+                innerStatementNode = innerStatementNode.body;
+            }
+            if (Array.isArray(type)) {
+                return type.some(match.bind(null, innerStatementNode));
+            }
+            return StatementTypes[type].test(innerStatementNode, sourceCode);
+        }
+
+        /**
+         * Finds the last matched configure from configureList.
+         * @param {ASTNode} prevNode The previous statement to match.
+         * @param {ASTNode} nextNode The current statement to match.
+         * @returns {Object} The tester of the last matched configure.
+         * @private
+         */
+        function getPaddingType(prevNode, nextNode) {
+            for (let i = configureList.length - 1; i >= 0; --i) {
+                const configure = configureList[i];
+                const matched =
+                    match(prevNode, configure.prev) &&
+                    match(nextNode, configure.next);
+
+                if (matched) {
+                    return PaddingTypes[configure.blankLine];
+                }
+            }
+            return PaddingTypes.any;
+        }
+
+        /**
+         * Gets padding line sequences between the given 2 statements.
+         * Comments are separators of the padding line sequences.
+         * @param {ASTNode} prevNode The previous statement to count.
+         * @param {ASTNode} nextNode The current statement to count.
+         * @returns {Array<Token[]>} The array of token pairs.
+         * @private
+         */
+        function getPaddingLineSequences(prevNode, nextNode) {
+            const pairs = [];
+            let prevToken = getActualLastToken(sourceCode, prevNode);
+
+            if (nextNode.loc.start.line - prevToken.loc.end.line >= 2) {
+                do {
+                    const token = sourceCode.getTokenAfter(
+                        prevToken,
+                        { includeComments: true }
+                    );
+
+                    if (token.loc.start.line - prevToken.loc.end.line >= 2) {
+                        pairs.push([prevToken, token]);
+                    }
+                    prevToken = token;
+
+                } while (prevToken.range[0] < nextNode.range[0]);
+            }
+
+            return pairs;
+        }
+
+        /**
+         * Verify padding lines between the given node and the previous node.
+         * @param {ASTNode} node The node to verify.
+         * @returns {void}
+         * @private
+         */
+        function verify(node) {
+            const parentType = node.parent.type;
+            const validParent =
+                astUtils.STATEMENT_LIST_PARENTS.has(parentType) ||
+                parentType === "SwitchStatement";
+
+            if (!validParent) {
+                return;
+            }
+
+            // Save this node as the current previous statement.
+            const prevNode = scopeInfo.prevNode;
+
+            // Verify.
+            if (prevNode) {
+                const type = getPaddingType(prevNode, node);
+                const paddingLines = getPaddingLineSequences(prevNode, node);
+
+                type.verify(context, prevNode, node, paddingLines);
+            }
+
+            scopeInfo.prevNode = node;
+        }
+
+        /**
+         * Verify padding lines between the given node and the previous node.
+         * Then process to enter to new scope.
+         * @param {ASTNode} node The node to verify.
+         * @returns {void}
+         * @private
+         */
+        function verifyThenEnterScope(node) {
+            verify(node);
+            enterScope();
+        }
+
+        return {
+            Program: enterScope,
+            BlockStatement: enterScope,
+            SwitchStatement: enterScope,
+            "Program:exit": exitScope,
+            "BlockStatement:exit": exitScope,
+            "SwitchStatement:exit": exitScope,
+
+            ":statement": verify,
+
+            SwitchCase: verifyThenEnterScope,
+            "SwitchCase:exit": exitScope
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-arrow-callback.js b/eslint/lib/rules/prefer-arrow-callback.js
new file mode 100644
index 0000000..d4e0251
--- /dev/null
+++ b/eslint/lib/rules/prefer-arrow-callback.js
@@ -0,0 +1,314 @@
+/**
+ * @fileoverview A rule to suggest using arrow functions as callbacks.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given variable is a function name.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function name.
+ */
+function isFunctionName(variable) {
+    return variable && variable.defs[0].type === "FunctionName";
+}
+
+/**
+ * Checks whether or not a given MetaProperty node equals to a given value.
+ * @param {ASTNode} node A MetaProperty node to check.
+ * @param {string} metaName The name of `MetaProperty.meta`.
+ * @param {string} propertyName The name of `MetaProperty.property`.
+ * @returns {boolean} `true` if the node is the specific value.
+ */
+function checkMetaProperty(node, metaName, propertyName) {
+    return node.meta.name === metaName && node.property.name === propertyName;
+}
+
+/**
+ * Gets the variable object of `arguments` which is defined implicitly.
+ * @param {eslint-scope.Scope} scope A scope to get.
+ * @returns {eslint-scope.Variable} The found variable object.
+ */
+function getVariableOfArguments(scope) {
+    const variables = scope.variables;
+
+    for (let i = 0; i < variables.length; ++i) {
+        const variable = variables[i];
+
+        if (variable.name === "arguments") {
+
+            /*
+             * If there was a parameter which is named "arguments", the
+             * implicit "arguments" is not defined.
+             * So does fast return with null.
+             */
+            return (variable.identifiers.length === 0) ? variable : null;
+        }
+    }
+
+    /* istanbul ignore next */
+    return null;
+}
+
+/**
+ * Checks whether or not a given node is a callback.
+ * @param {ASTNode} node A node to check.
+ * @returns {Object}
+ *   {boolean} retv.isCallback - `true` if the node is a callback.
+ *   {boolean} retv.isLexicalThis - `true` if the node is with `.bind(this)`.
+ */
+function getCallbackInfo(node) {
+    const retv = { isCallback: false, isLexicalThis: false };
+    let currentNode = node;
+    let parent = node.parent;
+
+    while (currentNode) {
+        switch (parent.type) {
+
+            // Checks parents recursively.
+
+            case "LogicalExpression":
+            case "ConditionalExpression":
+                break;
+
+            // Checks whether the parent node is `.bind(this)` call.
+            case "MemberExpression":
+                if (parent.object === currentNode &&
+                    !parent.property.computed &&
+                    parent.property.type === "Identifier" &&
+                    parent.property.name === "bind" &&
+                    parent.parent.type === "CallExpression" &&
+                    parent.parent.callee === parent
+                ) {
+                    retv.isLexicalThis = (
+                        parent.parent.arguments.length === 1 &&
+                        parent.parent.arguments[0].type === "ThisExpression"
+                    );
+                    parent = parent.parent;
+                } else {
+                    return retv;
+                }
+                break;
+
+            // Checks whether the node is a callback.
+            case "CallExpression":
+            case "NewExpression":
+                if (parent.callee !== currentNode) {
+                    retv.isCallback = true;
+                }
+                return retv;
+
+            default:
+                return retv;
+        }
+
+        currentNode = parent;
+        parent = parent.parent;
+    }
+
+    /* istanbul ignore next */
+    throw new Error("unreachable");
+}
+
+/**
+ * Checks whether a simple list of parameters contains any duplicates. This does not handle complex
+ * parameter lists (e.g. with destructuring), since complex parameter lists are a SyntaxError with duplicate
+ * parameter names anyway. Instead, it always returns `false` for complex parameter lists.
+ * @param {ASTNode[]} paramsList The list of parameters for a function
+ * @returns {boolean} `true` if the list of parameters contains any duplicates
+ */
+function hasDuplicateParams(paramsList) {
+    return paramsList.every(param => param.type === "Identifier") && paramsList.length !== new Set(paramsList.map(param => param.name)).size;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require using arrow functions for callbacks",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-arrow-callback"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowNamedFunctions: {
+                        type: "boolean",
+                        default: false
+                    },
+                    allowUnboundThis: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            preferArrowCallback: "Unexpected function expression."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+
+        const allowUnboundThis = options.allowUnboundThis !== false; // default to true
+        const allowNamedFunctions = options.allowNamedFunctions;
+        const sourceCode = context.getSourceCode();
+
+        /*
+         * {Array<{this: boolean, super: boolean, meta: boolean}>}
+         * - this - A flag which shows there are one or more ThisExpression.
+         * - super - A flag which shows there are one or more Super.
+         * - meta - A flag which shows there are one or more MethProperty.
+         */
+        let stack = [];
+
+        /**
+         * Pushes new function scope with all `false` flags.
+         * @returns {void}
+         */
+        function enterScope() {
+            stack.push({ this: false, super: false, meta: false });
+        }
+
+        /**
+         * Pops a function scope from the stack.
+         * @returns {{this: boolean, super: boolean, meta: boolean}} The information of the last scope.
+         */
+        function exitScope() {
+            return stack.pop();
+        }
+
+        return {
+
+            // Reset internal state.
+            Program() {
+                stack = [];
+            },
+
+            // If there are below, it cannot replace with arrow functions merely.
+            ThisExpression() {
+                const info = stack[stack.length - 1];
+
+                if (info) {
+                    info.this = true;
+                }
+            },
+
+            Super() {
+                const info = stack[stack.length - 1];
+
+                if (info) {
+                    info.super = true;
+                }
+            },
+
+            MetaProperty(node) {
+                const info = stack[stack.length - 1];
+
+                if (info && checkMetaProperty(node, "new", "target")) {
+                    info.meta = true;
+                }
+            },
+
+            // To skip nested scopes.
+            FunctionDeclaration: enterScope,
+            "FunctionDeclaration:exit": exitScope,
+
+            // Main.
+            FunctionExpression: enterScope,
+            "FunctionExpression:exit"(node) {
+                const scopeInfo = exitScope();
+
+                // Skip named function expressions
+                if (allowNamedFunctions && node.id && node.id.name) {
+                    return;
+                }
+
+                // Skip generators.
+                if (node.generator) {
+                    return;
+                }
+
+                // Skip recursive functions.
+                const nameVar = context.getDeclaredVariables(node)[0];
+
+                if (isFunctionName(nameVar) && nameVar.references.length > 0) {
+                    return;
+                }
+
+                // Skip if it's using arguments.
+                const variable = getVariableOfArguments(context.getScope());
+
+                if (variable && variable.references.length > 0) {
+                    return;
+                }
+
+                // Reports if it's a callback which can replace with arrows.
+                const callbackInfo = getCallbackInfo(node);
+
+                if (callbackInfo.isCallback &&
+                    (!allowUnboundThis || !scopeInfo.this || callbackInfo.isLexicalThis) &&
+                    !scopeInfo.super &&
+                    !scopeInfo.meta
+                ) {
+                    context.report({
+                        node,
+                        messageId: "preferArrowCallback",
+                        fix(fixer) {
+                            if ((!callbackInfo.isLexicalThis && scopeInfo.this) || hasDuplicateParams(node.params)) {
+
+                                /*
+                                 * If the callback function does not have .bind(this) and contains a reference to `this`, there
+                                 * is no way to determine what `this` should be, so don't perform any fixes.
+                                 * If the callback function has duplicates in its list of parameters (possible in sloppy mode),
+                                 * don't replace it with an arrow function, because this is a SyntaxError with arrow functions.
+                                 */
+                                return null;
+                            }
+
+                            const paramsLeftParen = node.params.length ? sourceCode.getTokenBefore(node.params[0]) : sourceCode.getTokenBefore(node.body, 1);
+                            const paramsRightParen = sourceCode.getTokenBefore(node.body);
+                            const asyncKeyword = node.async ? "async " : "";
+                            const paramsFullText = sourceCode.text.slice(paramsLeftParen.range[0], paramsRightParen.range[1]);
+                            const arrowFunctionText = `${asyncKeyword}${paramsFullText} => ${sourceCode.getText(node.body)}`;
+
+                            /*
+                             * If the callback function has `.bind(this)`, replace it with an arrow function and remove the binding.
+                             * Otherwise, just replace the arrow function itself.
+                             */
+                            const replacedNode = callbackInfo.isLexicalThis ? node.parent.parent : node;
+
+                            /*
+                             * If the replaced node is part of a BinaryExpression, LogicalExpression, or MemberExpression, then
+                             * the arrow function needs to be parenthesized, because `foo || () => {}` is invalid syntax even
+                             * though `foo || function() {}` is valid.
+                             */
+                            const needsParens = replacedNode.parent.type !== "CallExpression" && replacedNode.parent.type !== "ConditionalExpression";
+                            const replacementText = needsParens ? `(${arrowFunctionText})` : arrowFunctionText;
+
+                            return fixer.replaceText(replacedNode, replacementText);
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-const.js b/eslint/lib/rules/prefer-const.js
new file mode 100644
index 0000000..439a4db
--- /dev/null
+++ b/eslint/lib/rules/prefer-const.js
@@ -0,0 +1,476 @@
+/**
+ * @fileoverview A rule to suggest using of const declaration for variables that are never reassigned after declared.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const PATTERN_TYPE = /^(?:.+?Pattern|RestElement|SpreadProperty|ExperimentalRestProperty|Property)$/u;
+const DECLARATION_HOST_TYPE = /^(?:Program|BlockStatement|SwitchCase)$/u;
+const DESTRUCTURING_HOST_TYPE = /^(?:VariableDeclarator|AssignmentExpression)$/u;
+
+/**
+ * Checks whether a given node is located at `ForStatement.init` or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is located at `ForStatement.init`.
+ */
+function isInitOfForStatement(node) {
+    return node.parent.type === "ForStatement" && node.parent.init === node;
+}
+
+/**
+ * Checks whether a given Identifier node becomes a VariableDeclaration or not.
+ * @param {ASTNode} identifier An Identifier node to check.
+ * @returns {boolean} `true` if the node can become a VariableDeclaration.
+ */
+function canBecomeVariableDeclaration(identifier) {
+    let node = identifier.parent;
+
+    while (PATTERN_TYPE.test(node.type)) {
+        node = node.parent;
+    }
+
+    return (
+        node.type === "VariableDeclarator" ||
+        (
+            node.type === "AssignmentExpression" &&
+            node.parent.type === "ExpressionStatement" &&
+            DECLARATION_HOST_TYPE.test(node.parent.parent.type)
+        )
+    );
+}
+
+/**
+ * Checks if an property or element is from outer scope or function parameters
+ * in destructing pattern.
+ * @param {string} name A variable name to be checked.
+ * @param {eslint-scope.Scope} initScope A scope to start find.
+ * @returns {boolean} Indicates if the variable is from outer scope or function parameters.
+ */
+function isOuterVariableInDestructing(name, initScope) {
+
+    if (initScope.through.find(ref => ref.resolved && ref.resolved.name === name)) {
+        return true;
+    }
+
+    const variable = astUtils.getVariableByName(initScope, name);
+
+    if (variable !== null) {
+        return variable.defs.some(def => def.type === "Parameter");
+    }
+
+    return false;
+}
+
+/**
+ * Gets the VariableDeclarator/AssignmentExpression node that a given reference
+ * belongs to.
+ * This is used to detect a mix of reassigned and never reassigned in a
+ * destructuring.
+ * @param {eslint-scope.Reference} reference A reference to get.
+ * @returns {ASTNode|null} A VariableDeclarator/AssignmentExpression node or
+ *      null.
+ */
+function getDestructuringHost(reference) {
+    if (!reference.isWrite()) {
+        return null;
+    }
+    let node = reference.identifier.parent;
+
+    while (PATTERN_TYPE.test(node.type)) {
+        node = node.parent;
+    }
+
+    if (!DESTRUCTURING_HOST_TYPE.test(node.type)) {
+        return null;
+    }
+    return node;
+}
+
+/**
+ * Determines if a destructuring assignment node contains
+ * any MemberExpression nodes. This is used to determine if a
+ * variable that is only written once using destructuring can be
+ * safely converted into a const declaration.
+ * @param {ASTNode} node The ObjectPattern or ArrayPattern node to check.
+ * @returns {boolean} True if the destructuring pattern contains
+ *      a MemberExpression, false if not.
+ */
+function hasMemberExpressionAssignment(node) {
+    switch (node.type) {
+        case "ObjectPattern":
+            return node.properties.some(prop => {
+                if (prop) {
+
+                    /*
+                     * Spread elements have an argument property while
+                     * others have a value property. Because different
+                     * parsers use different node types for spread elements,
+                     * we just check if there is an argument property.
+                     */
+                    return hasMemberExpressionAssignment(prop.argument || prop.value);
+                }
+
+                return false;
+            });
+
+        case "ArrayPattern":
+            return node.elements.some(element => {
+                if (element) {
+                    return hasMemberExpressionAssignment(element);
+                }
+
+                return false;
+            });
+
+        case "AssignmentPattern":
+            return hasMemberExpressionAssignment(node.left);
+
+        case "MemberExpression":
+            return true;
+
+        // no default
+    }
+
+    return false;
+}
+
+/**
+ * Gets an identifier node of a given variable.
+ *
+ * If the initialization exists or one or more reading references exist before
+ * the first assignment, the identifier node is the node of the declaration.
+ * Otherwise, the identifier node is the node of the first assignment.
+ *
+ * If the variable should not change to const, this function returns null.
+ * - If the variable is reassigned.
+ * - If the variable is never initialized nor assigned.
+ * - If the variable is initialized in a different scope from the declaration.
+ * - If the unique assignment of the variable cannot change to a declaration.
+ *   e.g. `if (a) b = 1` / `return (b = 1)`
+ * - If the variable is declared in the global scope and `eslintUsed` is `true`.
+ *   `/*exported foo` directive comment makes such variables. This rule does not
+ *   warn such variables because this rule cannot distinguish whether the
+ *   exported variables are reassigned or not.
+ * @param {eslint-scope.Variable} variable A variable to get.
+ * @param {boolean} ignoreReadBeforeAssign
+ *      The value of `ignoreReadBeforeAssign` option.
+ * @returns {ASTNode|null}
+ *      An Identifier node if the variable should change to const.
+ *      Otherwise, null.
+ */
+function getIdentifierIfShouldBeConst(variable, ignoreReadBeforeAssign) {
+    if (variable.eslintUsed && variable.scope.type === "global") {
+        return null;
+    }
+
+    // Finds the unique WriteReference.
+    let writer = null;
+    let isReadBeforeInit = false;
+    const references = variable.references;
+
+    for (let i = 0; i < references.length; ++i) {
+        const reference = references[i];
+
+        if (reference.isWrite()) {
+            const isReassigned = (
+                writer !== null &&
+                writer.identifier !== reference.identifier
+            );
+
+            if (isReassigned) {
+                return null;
+            }
+
+            const destructuringHost = getDestructuringHost(reference);
+
+            if (destructuringHost !== null && destructuringHost.left !== void 0) {
+                const leftNode = destructuringHost.left;
+                let hasOuterVariables = false,
+                    hasNonIdentifiers = false;
+
+                if (leftNode.type === "ObjectPattern") {
+                    const properties = leftNode.properties;
+
+                    hasOuterVariables = properties
+                        .filter(prop => prop.value)
+                        .map(prop => prop.value.name)
+                        .some(name => isOuterVariableInDestructing(name, variable.scope));
+
+                    hasNonIdentifiers = hasMemberExpressionAssignment(leftNode);
+
+                } else if (leftNode.type === "ArrayPattern") {
+                    const elements = leftNode.elements;
+
+                    hasOuterVariables = elements
+                        .map(element => element && element.name)
+                        .some(name => isOuterVariableInDestructing(name, variable.scope));
+
+                    hasNonIdentifiers = hasMemberExpressionAssignment(leftNode);
+                }
+
+                if (hasOuterVariables || hasNonIdentifiers) {
+                    return null;
+                }
+
+            }
+
+            writer = reference;
+
+        } else if (reference.isRead() && writer === null) {
+            if (ignoreReadBeforeAssign) {
+                return null;
+            }
+            isReadBeforeInit = true;
+        }
+    }
+
+    /*
+     * If the assignment is from a different scope, ignore it.
+     * If the assignment cannot change to a declaration, ignore it.
+     */
+    const shouldBeConst = (
+        writer !== null &&
+        writer.from === variable.scope &&
+        canBecomeVariableDeclaration(writer.identifier)
+    );
+
+    if (!shouldBeConst) {
+        return null;
+    }
+
+    if (isReadBeforeInit) {
+        return variable.defs[0].name;
+    }
+
+    return writer.identifier;
+}
+
+/**
+ * Groups by the VariableDeclarator/AssignmentExpression node that each
+ * reference of given variables belongs to.
+ * This is used to detect a mix of reassigned and never reassigned in a
+ * destructuring.
+ * @param {eslint-scope.Variable[]} variables Variables to group by destructuring.
+ * @param {boolean} ignoreReadBeforeAssign
+ *      The value of `ignoreReadBeforeAssign` option.
+ * @returns {Map<ASTNode, ASTNode[]>} Grouped identifier nodes.
+ */
+function groupByDestructuring(variables, ignoreReadBeforeAssign) {
+    const identifierMap = new Map();
+
+    for (let i = 0; i < variables.length; ++i) {
+        const variable = variables[i];
+        const references = variable.references;
+        const identifier = getIdentifierIfShouldBeConst(variable, ignoreReadBeforeAssign);
+        let prevId = null;
+
+        for (let j = 0; j < references.length; ++j) {
+            const reference = references[j];
+            const id = reference.identifier;
+
+            /*
+             * Avoid counting a reference twice or more for default values of
+             * destructuring.
+             */
+            if (id === prevId) {
+                continue;
+            }
+            prevId = id;
+
+            // Add the identifier node into the destructuring group.
+            const group = getDestructuringHost(reference);
+
+            if (group) {
+                if (identifierMap.has(group)) {
+                    identifierMap.get(group).push(identifier);
+                } else {
+                    identifierMap.set(group, [identifier]);
+                }
+            }
+        }
+    }
+
+    return identifierMap;
+}
+
+/**
+ * Finds the nearest parent of node with a given type.
+ * @param {ASTNode} node The node to search from.
+ * @param {string} type The type field of the parent node.
+ * @param {Function} shouldStop A predicate that returns true if the traversal should stop, and false otherwise.
+ * @returns {ASTNode} The closest ancestor with the specified type; null if no such ancestor exists.
+ */
+function findUp(node, type, shouldStop) {
+    if (!node || shouldStop(node)) {
+        return null;
+    }
+    if (node.type === type) {
+        return node;
+    }
+    return findUp(node.parent, type, shouldStop);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `const` declarations for variables that are never reassigned after declared",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-const"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    destructuring: { enum: ["any", "all"], default: "any" },
+                    ignoreReadBeforeAssign: { type: "boolean", default: false }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            useConst: "'{{name}}' is never reassigned. Use 'const' instead."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || {};
+        const sourceCode = context.getSourceCode();
+        const shouldMatchAnyDestructuredVariable = options.destructuring !== "all";
+        const ignoreReadBeforeAssign = options.ignoreReadBeforeAssign === true;
+        const variables = [];
+        let reportCount = 0;
+        let checkedId = null;
+        let checkedName = "";
+
+
+        /**
+         * Reports given identifier nodes if all of the nodes should be declared
+         * as const.
+         *
+         * The argument 'nodes' is an array of Identifier nodes.
+         * This node is the result of 'getIdentifierIfShouldBeConst()', so it's
+         * nullable. In simple declaration or assignment cases, the length of
+         * the array is 1. In destructuring cases, the length of the array can
+         * be 2 or more.
+         * @param {(eslint-scope.Reference|null)[]} nodes
+         *      References which are grouped by destructuring to report.
+         * @returns {void}
+         */
+        function checkGroup(nodes) {
+            const nodesToReport = nodes.filter(Boolean);
+
+            if (nodes.length && (shouldMatchAnyDestructuredVariable || nodesToReport.length === nodes.length)) {
+                const varDeclParent = findUp(nodes[0], "VariableDeclaration", parentNode => parentNode.type.endsWith("Statement"));
+                const isVarDecParentNull = varDeclParent === null;
+
+                if (!isVarDecParentNull && varDeclParent.declarations.length > 0) {
+                    const firstDeclaration = varDeclParent.declarations[0];
+
+                    if (firstDeclaration.init) {
+                        const firstDecParent = firstDeclaration.init.parent;
+
+                        /*
+                         * First we check the declaration type and then depending on
+                         * if the type is a "VariableDeclarator" or its an "ObjectPattern"
+                         * we compare the name and id from the first identifier, if the names are different
+                         * we assign the new name, id and reset the count of reportCount and nodeCount in
+                         * order to check each block for the number of reported errors and base our fix
+                         * based on comparing nodes.length and nodesToReport.length.
+                         */
+
+                        if (firstDecParent.type === "VariableDeclarator") {
+
+                            if (firstDecParent.id.name !== checkedName) {
+                                checkedName = firstDecParent.id.name;
+                                reportCount = 0;
+                            }
+
+                            if (firstDecParent.id.type === "ObjectPattern") {
+                                if (firstDecParent.init.name !== checkedName) {
+                                    checkedName = firstDecParent.init.name;
+                                    reportCount = 0;
+                                }
+                            }
+
+                            if (firstDecParent.id !== checkedId) {
+                                checkedId = firstDecParent.id;
+                                reportCount = 0;
+                            }
+                        }
+                    }
+                }
+
+                let shouldFix = varDeclParent &&
+
+                    // Don't do a fix unless all variables in the declarations are initialized (or it's in a for-in or for-of loop)
+                    (varDeclParent.parent.type === "ForInStatement" || varDeclParent.parent.type === "ForOfStatement" ||
+                        varDeclParent.declarations.every(declaration => declaration.init)) &&
+
+                    /*
+                     * If options.destructuring is "all", then this warning will not occur unless
+                     * every assignment in the destructuring should be const. In that case, it's safe
+                     * to apply the fix.
+                     */
+                    nodesToReport.length === nodes.length;
+
+                if (!isVarDecParentNull && varDeclParent.declarations && varDeclParent.declarations.length !== 1) {
+
+                    if (varDeclParent && varDeclParent.declarations && varDeclParent.declarations.length >= 1) {
+
+                        /*
+                         * Add nodesToReport.length to a count, then comparing the count to the length
+                         * of the declarations in the current block.
+                         */
+
+                        reportCount += nodesToReport.length;
+
+                        shouldFix = shouldFix && (reportCount === varDeclParent.declarations.length);
+                    }
+                }
+
+                nodesToReport.forEach(node => {
+                    context.report({
+                        node,
+                        messageId: "useConst",
+                        data: node,
+                        fix: shouldFix
+                            ? fixer => fixer.replaceText(
+                                sourceCode.getFirstToken(varDeclParent, t => t.value === varDeclParent.kind),
+                                "const"
+                            )
+                            : null
+                    });
+                });
+            }
+        }
+
+        return {
+            "Program:exit"() {
+                groupByDestructuring(variables, ignoreReadBeforeAssign).forEach(checkGroup);
+            },
+
+            VariableDeclaration(node) {
+                if (node.kind === "let" && !isInitOfForStatement(node)) {
+                    variables.push(...context.getDeclaredVariables(node));
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-destructuring.js b/eslint/lib/rules/prefer-destructuring.js
new file mode 100644
index 0000000..1a51956
--- /dev/null
+++ b/eslint/lib/rules/prefer-destructuring.js
@@ -0,0 +1,272 @@
+/**
+ * @fileoverview Prefer destructuring from arrays and objects
+ * @author Alex LaFroscia
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require destructuring from arrays and/or objects",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-destructuring"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+
+                /*
+                 * old support {array: Boolean, object: Boolean}
+                 * new support {VariableDeclarator: {}, AssignmentExpression: {}}
+                 */
+                oneOf: [
+                    {
+                        type: "object",
+                        properties: {
+                            VariableDeclarator: {
+                                type: "object",
+                                properties: {
+                                    array: {
+                                        type: "boolean"
+                                    },
+                                    object: {
+                                        type: "boolean"
+                                    }
+                                },
+                                additionalProperties: false
+                            },
+                            AssignmentExpression: {
+                                type: "object",
+                                properties: {
+                                    array: {
+                                        type: "boolean"
+                                    },
+                                    object: {
+                                        type: "boolean"
+                                    }
+                                },
+                                additionalProperties: false
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            array: {
+                                type: "boolean"
+                            },
+                            object: {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            },
+            {
+                type: "object",
+                properties: {
+                    enforceForRenamedProperties: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            preferDestructuring: "Use {{type}} destructuring."
+        }
+    },
+    create(context) {
+
+        const enabledTypes = context.options[0];
+        const enforceForRenamedProperties = context.options[1] && context.options[1].enforceForRenamedProperties;
+        let normalizedOptions = {
+            VariableDeclarator: { array: true, object: true },
+            AssignmentExpression: { array: true, object: true }
+        };
+
+        if (enabledTypes) {
+            normalizedOptions = typeof enabledTypes.array !== "undefined" || typeof enabledTypes.object !== "undefined"
+                ? { VariableDeclarator: enabledTypes, AssignmentExpression: enabledTypes }
+                : enabledTypes;
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {string} nodeType "AssignmentExpression" or "VariableDeclarator"
+         * @param {string} destructuringType "array" or "object"
+         * @returns {boolean} `true` if the destructuring type should be checked for the given node
+         */
+        function shouldCheck(nodeType, destructuringType) {
+            return normalizedOptions &&
+                normalizedOptions[nodeType] &&
+                normalizedOptions[nodeType][destructuringType];
+        }
+
+        /**
+         * Determines if the given node is accessing an array index
+         *
+         * This is used to differentiate array index access from object property
+         * access.
+         * @param {ASTNode} node the node to evaluate
+         * @returns {boolean} whether or not the node is an integer
+         */
+        function isArrayIndexAccess(node) {
+            return Number.isInteger(node.property.value);
+        }
+
+        /**
+         * Report that the given node should use destructuring
+         * @param {ASTNode} reportNode the node to report
+         * @param {string} type the type of destructuring that should have been done
+         * @param {Function|null} fix the fix function or null to pass to context.report
+         * @returns {void}
+         */
+        function report(reportNode, type, fix) {
+            context.report({
+                node: reportNode,
+                messageId: "preferDestructuring",
+                data: { type },
+                fix
+            });
+        }
+
+        /**
+         * Determines if a node should be fixed into object destructuring
+         *
+         * The fixer only fixes the simplest case of object destructuring,
+         * like: `let x = a.x`;
+         *
+         * Assignment expression is not fixed.
+         * Array destructuring is not fixed.
+         * Renamed property is not fixed.
+         * @param {ASTNode} node the the node to evaluate
+         * @returns {boolean} whether or not the node should be fixed
+         */
+        function shouldFix(node) {
+            return node.type === "VariableDeclarator" &&
+                node.id.type === "Identifier" &&
+                node.init.type === "MemberExpression" &&
+                node.id.name === node.init.property.name;
+        }
+
+        /**
+         * Fix a node into object destructuring.
+         * This function only handles the simplest case of object destructuring,
+         * see {@link shouldFix}.
+         * @param {SourceCodeFixer} fixer the fixer object
+         * @param {ASTNode} node the node to be fixed.
+         * @returns {Object} a fix for the node
+         */
+        function fixIntoObjectDestructuring(fixer, node) {
+            const rightNode = node.init;
+            const sourceCode = context.getSourceCode();
+
+            return fixer.replaceText(
+                node,
+                `{${rightNode.property.name}} = ${sourceCode.getText(rightNode.object)}`
+            );
+        }
+
+        /**
+         * Check that the `prefer-destructuring` rules are followed based on the
+         * given left- and right-hand side of the assignment.
+         *
+         * Pulled out into a separate method so that VariableDeclarators and
+         * AssignmentExpressions can share the same verification logic.
+         * @param {ASTNode} leftNode the left-hand side of the assignment
+         * @param {ASTNode} rightNode the right-hand side of the assignment
+         * @param {ASTNode} reportNode the node to report the error on
+         * @returns {void}
+         */
+        function performCheck(leftNode, rightNode, reportNode) {
+            if (rightNode.type !== "MemberExpression" || rightNode.object.type === "Super") {
+                return;
+            }
+
+            if (isArrayIndexAccess(rightNode)) {
+                if (shouldCheck(reportNode.type, "array")) {
+                    report(reportNode, "array", null);
+                }
+                return;
+            }
+
+            const fix = shouldFix(reportNode)
+                ? fixer => fixIntoObjectDestructuring(fixer, reportNode)
+                : null;
+
+            if (shouldCheck(reportNode.type, "object") && enforceForRenamedProperties) {
+                report(reportNode, "object", fix);
+                return;
+            }
+
+            if (shouldCheck(reportNode.type, "object")) {
+                const property = rightNode.property;
+
+                if (
+                    (property.type === "Literal" && leftNode.name === property.value) ||
+                    (property.type === "Identifier" && leftNode.name === property.name && !rightNode.computed)
+                ) {
+                    report(reportNode, "object", fix);
+                }
+            }
+        }
+
+        /**
+         * Check if a given variable declarator is coming from an property access
+         * that should be using destructuring instead
+         * @param {ASTNode} node the variable declarator to check
+         * @returns {void}
+         */
+        function checkVariableDeclarator(node) {
+
+            // Skip if variable is declared without assignment
+            if (!node.init) {
+                return;
+            }
+
+            // We only care about member expressions past this point
+            if (node.init.type !== "MemberExpression") {
+                return;
+            }
+
+            performCheck(node.id, node.init, node);
+        }
+
+        /**
+         * Run the `prefer-destructuring` check on an AssignmentExpression
+         * @param {ASTNode} node the AssignmentExpression node
+         * @returns {void}
+         */
+        function checkAssigmentExpression(node) {
+            if (node.operator === "=") {
+                performCheck(node.left, node.right, node);
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            VariableDeclarator: checkVariableDeclarator,
+            AssignmentExpression: checkAssigmentExpression
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-exponentiation-operator.js b/eslint/lib/rules/prefer-exponentiation-operator.js
new file mode 100644
index 0000000..5e75ef4
--- /dev/null
+++ b/eslint/lib/rules/prefer-exponentiation-operator.js
@@ -0,0 +1,189 @@
+/**
+ * @fileoverview Rule to disallow Math.pow in favor of the ** operator
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const { CALL, ReferenceTracker } = require("eslint-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const PRECEDENCE_OF_EXPONENTIATION_EXPR = astUtils.getPrecedence({ type: "BinaryExpression", operator: "**" });
+
+/**
+ * Determines whether the given node needs parens if used as the base in an exponentiation binary expression.
+ * @param {ASTNode} base The node to check.
+ * @returns {boolean} `true` if the node needs to be parenthesised.
+ */
+function doesBaseNeedParens(base) {
+    return (
+
+        // '**' is right-associative, parens are needed when Math.pow(a ** b, c) is converted to (a ** b) ** c
+        astUtils.getPrecedence(base) <= PRECEDENCE_OF_EXPONENTIATION_EXPR ||
+
+        // An unary operator cannot be used immediately before an exponentiation expression
+        base.type === "UnaryExpression"
+    );
+}
+
+/**
+ * Determines whether the given node needs parens if used as the exponent in an exponentiation binary expression.
+ * @param {ASTNode} exponent The node to check.
+ * @returns {boolean} `true` if the node needs to be parenthesised.
+ */
+function doesExponentNeedParens(exponent) {
+
+    // '**' is right-associative, there is no need for parens when Math.pow(a, b ** c) is converted to a ** b ** c
+    return astUtils.getPrecedence(exponent) < PRECEDENCE_OF_EXPONENTIATION_EXPR;
+}
+
+/**
+ * Determines whether an exponentiation binary expression at the place of the given node would need parens.
+ * @param {ASTNode} node A node that would be replaced by an exponentiation binary expression.
+ * @param {SourceCode} sourceCode A SourceCode object.
+ * @returns {boolean} `true` if the expression needs to be parenthesised.
+ */
+function doesExponentiationExpressionNeedParens(node, sourceCode) {
+    const parent = node.parent;
+
+    const needsParens = (
+        parent.type === "ClassDeclaration" ||
+        (
+            parent.type.endsWith("Expression") &&
+            astUtils.getPrecedence(parent) >= PRECEDENCE_OF_EXPONENTIATION_EXPR &&
+            !(parent.type === "BinaryExpression" && parent.operator === "**" && parent.right === node) &&
+            !((parent.type === "CallExpression" || parent.type === "NewExpression") && parent.arguments.includes(node)) &&
+            !(parent.type === "MemberExpression" && parent.computed && parent.property === node) &&
+            !(parent.type === "ArrayExpression")
+        )
+    );
+
+    return needsParens && !astUtils.isParenthesised(sourceCode, node);
+}
+
+/**
+ * Optionally parenthesizes given text.
+ * @param {string} text The text to parenthesize.
+ * @param {boolean} shouldParenthesize If `true`, the text will be parenthesised.
+ * @returns {string} parenthesised or unchanged text.
+ */
+function parenthesizeIfShould(text, shouldParenthesize) {
+    return shouldParenthesize ? `(${text})` : text;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow the use of `Math.pow` in favor of the `**` operator",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-exponentiation-operator"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            useExponentiation: "Use the '**' operator instead of 'Math.pow'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Reports the given node.
+         * @param {ASTNode} node 'Math.pow()' node to report.
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({
+                node,
+                messageId: "useExponentiation",
+                fix(fixer) {
+                    if (
+                        node.arguments.length !== 2 ||
+                        node.arguments.some(arg => arg.type === "SpreadElement") ||
+                        sourceCode.getCommentsInside(node).length > 0
+                    ) {
+                        return null;
+                    }
+
+                    const base = node.arguments[0],
+                        exponent = node.arguments[1],
+                        baseText = sourceCode.getText(base),
+                        exponentText = sourceCode.getText(exponent),
+                        shouldParenthesizeBase = doesBaseNeedParens(base),
+                        shouldParenthesizeExponent = doesExponentNeedParens(exponent),
+                        shouldParenthesizeAll = doesExponentiationExpressionNeedParens(node, sourceCode);
+
+                    let prefix = "",
+                        suffix = "";
+
+                    if (!shouldParenthesizeAll) {
+                        if (!shouldParenthesizeBase) {
+                            const firstReplacementToken = sourceCode.getFirstToken(base),
+                                tokenBefore = sourceCode.getTokenBefore(node);
+
+                            if (
+                                tokenBefore &&
+                                tokenBefore.range[1] === node.range[0] &&
+                                !astUtils.canTokensBeAdjacent(tokenBefore, firstReplacementToken)
+                            ) {
+                                prefix = " "; // a+Math.pow(++b, c) -> a+ ++b**c
+                            }
+                        }
+                        if (!shouldParenthesizeExponent) {
+                            const lastReplacementToken = sourceCode.getLastToken(exponent),
+                                tokenAfter = sourceCode.getTokenAfter(node);
+
+                            if (
+                                tokenAfter &&
+                                node.range[1] === tokenAfter.range[0] &&
+                                !astUtils.canTokensBeAdjacent(lastReplacementToken, tokenAfter)
+                            ) {
+                                suffix = " "; // Math.pow(a, b)in c -> a**b in c
+                            }
+                        }
+                    }
+
+                    const baseReplacement = parenthesizeIfShould(baseText, shouldParenthesizeBase),
+                        exponentReplacement = parenthesizeIfShould(exponentText, shouldParenthesizeExponent),
+                        replacement = parenthesizeIfShould(`${baseReplacement}**${exponentReplacement}`, shouldParenthesizeAll);
+
+                    return fixer.replaceText(node, `${prefix}${replacement}${suffix}`);
+                }
+            });
+        }
+
+        return {
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const trackMap = {
+                    Math: {
+                        pow: { [CALL]: true }
+                    }
+                };
+
+                for (const { node } of tracker.iterateGlobalReferences(trackMap)) {
+                    report(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-named-capture-group.js b/eslint/lib/rules/prefer-named-capture-group.js
new file mode 100644
index 0000000..c8af043
--- /dev/null
+++ b/eslint/lib/rules/prefer-named-capture-group.js
@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Rule to enforce requiring named capture groups in regular expression.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+    CALL,
+    CONSTRUCT,
+    ReferenceTracker,
+    getStringIfConstant
+} = require("eslint-utils");
+const regexpp = require("regexpp");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const parser = new regexpp.RegExpParser();
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce using named capture group in regular expression",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-named-capture-group"
+        },
+
+        schema: [],
+
+        messages: {
+            required: "Capture group '{{group}}' should be converted to a named or non-capturing group."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Function to check regular expression.
+         * @param {string} pattern The regular expression pattern to be check.
+         * @param {ASTNode} node AST node which contains regular expression.
+         * @param {boolean} uFlag Flag indicates whether unicode mode is enabled or not.
+         * @returns {void}
+         */
+        function checkRegex(pattern, node, uFlag) {
+            let ast;
+
+            try {
+                ast = parser.parsePattern(pattern, 0, pattern.length, uFlag);
+            } catch (_) {
+
+                // ignore regex syntax errors
+                return;
+            }
+
+            regexpp.visitRegExpAST(ast, {
+                onCapturingGroupEnter(group) {
+                    if (!group.name) {
+                        context.report({
+                            node,
+                            messageId: "required",
+                            data: {
+                                group: group.raw
+                            }
+                        });
+                    }
+                }
+            });
+        }
+
+        return {
+            Literal(node) {
+                if (node.regex) {
+                    checkRegex(node.regex.pattern, node, node.regex.flags.includes("u"));
+                }
+            },
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const traceMap = {
+                    RegExp: {
+                        [CALL]: true,
+                        [CONSTRUCT]: true
+                    }
+                };
+
+                for (const { node } of tracker.iterateGlobalReferences(traceMap)) {
+                    const regex = getStringIfConstant(node.arguments[0]);
+                    const flags = getStringIfConstant(node.arguments[1]);
+
+                    if (regex) {
+                        checkRegex(regex, node, flags && flags.includes("u"));
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-numeric-literals.js b/eslint/lib/rules/prefer-numeric-literals.js
new file mode 100644
index 0000000..2a4fb5d
--- /dev/null
+++ b/eslint/lib/rules/prefer-numeric-literals.js
@@ -0,0 +1,147 @@
+/**
+ * @fileoverview Rule to disallow `parseInt()` in favor of binary, octal, and hexadecimal literals
+ * @author Annie Zhang, Henry Zhu
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const radixMap = new Map([
+    [2, { system: "binary", literalPrefix: "0b" }],
+    [8, { system: "octal", literalPrefix: "0o" }],
+    [16, { system: "hexadecimal", literalPrefix: "0x" }]
+]);
+
+/**
+ * Checks to see if a CallExpression's callee node is `parseInt` or
+ * `Number.parseInt`.
+ * @param {ASTNode} calleeNode The callee node to evaluate.
+ * @returns {boolean} True if the callee is `parseInt` or `Number.parseInt`,
+ * false otherwise.
+ */
+function isParseInt(calleeNode) {
+    switch (calleeNode.type) {
+        case "Identifier":
+            return calleeNode.name === "parseInt";
+        case "MemberExpression":
+            return calleeNode.object.type === "Identifier" &&
+                calleeNode.object.name === "Number" &&
+                calleeNode.property.type === "Identifier" &&
+                calleeNode.property.name === "parseInt";
+
+        // no default
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-numeric-literals"
+        },
+
+        schema: [],
+
+        messages: {
+            useLiteral: "Use {{system}} literals instead of {{functionName}}()."
+        },
+
+        fixable: "code"
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+
+            "CallExpression[arguments.length=2]"(node) {
+                const [strNode, radixNode] = node.arguments,
+                    str = astUtils.getStaticStringValue(strNode),
+                    radix = radixNode.value;
+
+                if (
+                    str !== null &&
+                    astUtils.isStringLiteral(strNode) &&
+                    radixNode.type === "Literal" &&
+                    typeof radix === "number" &&
+                    radixMap.has(radix) &&
+                    isParseInt(node.callee)
+                ) {
+
+                    const { system, literalPrefix } = radixMap.get(radix);
+
+                    context.report({
+                        node,
+                        messageId: "useLiteral",
+                        data: {
+                            system,
+                            functionName: sourceCode.getText(node.callee)
+                        },
+                        fix(fixer) {
+                            if (sourceCode.getCommentsInside(node).length) {
+                                return null;
+                            }
+
+                            const replacement = `${literalPrefix}${str}`;
+
+                            if (+replacement !== parseInt(str, radix)) {
+
+                                /*
+                                 * If the newly-produced literal would be invalid, (e.g. 0b1234),
+                                 * or it would yield an incorrect parseInt result for some other reason, don't make a fix.
+                                 */
+                                return null;
+                            }
+
+                            const tokenBefore = sourceCode.getTokenBefore(node),
+                                tokenAfter = sourceCode.getTokenAfter(node);
+                            let prefix = "",
+                                suffix = "";
+
+                            if (
+                                tokenBefore &&
+                                tokenBefore.range[1] === node.range[0] &&
+                                !astUtils.canTokensBeAdjacent(tokenBefore, replacement)
+                            ) {
+                                prefix = " ";
+                            }
+
+                            if (
+                                tokenAfter &&
+                                node.range[1] === tokenAfter.range[0] &&
+                                !astUtils.canTokensBeAdjacent(replacement, tokenAfter)
+                            ) {
+                                suffix = " ";
+                            }
+
+                            return fixer.replaceText(node, `${prefix}${replacement}${suffix}`);
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-object-spread.js b/eslint/lib/rules/prefer-object-spread.js
new file mode 100644
index 0000000..ab252c7
--- /dev/null
+++ b/eslint/lib/rules/prefer-object-spread.js
@@ -0,0 +1,299 @@
+/**
+ * @fileoverview Prefers object spread property over Object.assign
+ * @author Sharmila Jesupaul
+ * See LICENSE file in root directory for full license.
+ */
+
+"use strict";
+
+const { CALL, ReferenceTracker } = require("eslint-utils");
+const {
+    isCommaToken,
+    isOpeningParenToken,
+    isClosingParenToken,
+    isParenthesised
+} = require("./utils/ast-utils");
+
+const ANY_SPACE = /\s/u;
+
+/**
+ * Helper that checks if the Object.assign call has array spread
+ * @param {ASTNode} node The node that the rule warns on
+ * @returns {boolean} - Returns true if the Object.assign call has array spread
+ */
+function hasArraySpread(node) {
+    return node.arguments.some(arg => arg.type === "SpreadElement");
+}
+
+/**
+ * Determines whether the given node is an accessor property (getter/setter).
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} `true` if the node is a getter or a setter.
+ */
+function isAccessorProperty(node) {
+    return node.type === "Property" &&
+        (node.kind === "get" || node.kind === "set");
+}
+
+/**
+ * Determines whether the given object expression node has accessor properties (getters/setters).
+ * @param {ASTNode} node `ObjectExpression` node to check.
+ * @returns {boolean} `true` if the node has at least one getter/setter.
+ */
+function hasAccessors(node) {
+    return node.properties.some(isAccessorProperty);
+}
+
+/**
+ * Determines whether the given call expression node has object expression arguments with accessor properties (getters/setters).
+ * @param {ASTNode} node `CallExpression` node to check.
+ * @returns {boolean} `true` if the node has at least one argument that is an object expression with at least one getter/setter.
+ */
+function hasArgumentsWithAccessors(node) {
+    return node.arguments
+        .filter(arg => arg.type === "ObjectExpression")
+        .some(hasAccessors);
+}
+
+/**
+ * Helper that checks if the node needs parentheses to be valid JS.
+ * The default is to wrap the node in parentheses to avoid parsing errors.
+ * @param {ASTNode} node The node that the rule warns on
+ * @param {Object} sourceCode in context sourcecode object
+ * @returns {boolean} - Returns true if the node needs parentheses
+ */
+function needsParens(node, sourceCode) {
+    const parent = node.parent;
+
+    switch (parent.type) {
+        case "VariableDeclarator":
+        case "ArrayExpression":
+        case "ReturnStatement":
+        case "CallExpression":
+        case "Property":
+            return false;
+        case "AssignmentExpression":
+            return parent.left === node && !isParenthesised(sourceCode, node);
+        default:
+            return !isParenthesised(sourceCode, node);
+    }
+}
+
+/**
+ * Determines if an argument needs parentheses. The default is to not add parens.
+ * @param {ASTNode} node The node to be checked.
+ * @param {Object} sourceCode in context sourcecode object
+ * @returns {boolean} True if the node needs parentheses
+ */
+function argNeedsParens(node, sourceCode) {
+    switch (node.type) {
+        case "AssignmentExpression":
+        case "ArrowFunctionExpression":
+        case "ConditionalExpression":
+            return !isParenthesised(sourceCode, node);
+        default:
+            return false;
+    }
+}
+
+/**
+ * Get the parenthesis tokens of a given ObjectExpression node.
+ * This includes the braces of the object literal and enclosing parentheses.
+ * @param {ASTNode} node The node to get.
+ * @param {Token} leftArgumentListParen The opening paren token of the argument list.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {Token[]} The parenthesis tokens of the node. This is sorted by the location.
+ */
+function getParenTokens(node, leftArgumentListParen, sourceCode) {
+    const parens = [sourceCode.getFirstToken(node), sourceCode.getLastToken(node)];
+    let leftNext = sourceCode.getTokenBefore(node);
+    let rightNext = sourceCode.getTokenAfter(node);
+
+    // Note: don't include the parens of the argument list.
+    while (
+        leftNext &&
+        rightNext &&
+        leftNext.range[0] > leftArgumentListParen.range[0] &&
+        isOpeningParenToken(leftNext) &&
+        isClosingParenToken(rightNext)
+    ) {
+        parens.push(leftNext, rightNext);
+        leftNext = sourceCode.getTokenBefore(leftNext);
+        rightNext = sourceCode.getTokenAfter(rightNext);
+    }
+
+    return parens.sort((a, b) => a.range[0] - b.range[0]);
+}
+
+/**
+ * Get the range of a given token and around whitespaces.
+ * @param {Token} token The token to get range.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {number} The end of the range of the token and around whitespaces.
+ */
+function getStartWithSpaces(token, sourceCode) {
+    const text = sourceCode.text;
+    let start = token.range[0];
+
+    // If the previous token is a line comment then skip this step to avoid commenting this token out.
+    {
+        const prevToken = sourceCode.getTokenBefore(token, { includeComments: true });
+
+        if (prevToken && prevToken.type === "Line") {
+            return start;
+        }
+    }
+
+    // Detect spaces before the token.
+    while (ANY_SPACE.test(text[start - 1] || "")) {
+        start -= 1;
+    }
+
+    return start;
+}
+
+/**
+ * Get the range of a given token and around whitespaces.
+ * @param {Token} token The token to get range.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {number} The start of the range of the token and around whitespaces.
+ */
+function getEndWithSpaces(token, sourceCode) {
+    const text = sourceCode.text;
+    let end = token.range[1];
+
+    // Detect spaces after the token.
+    while (ANY_SPACE.test(text[end] || "")) {
+        end += 1;
+    }
+
+    return end;
+}
+
+/**
+ * Autofixes the Object.assign call to use an object spread instead.
+ * @param {ASTNode|null} node The node that the rule warns on, i.e. the Object.assign call
+ * @param {string} sourceCode sourceCode of the Object.assign call
+ * @returns {Function} autofixer - replaces the Object.assign with a spread object.
+ */
+function defineFixer(node, sourceCode) {
+    return function *(fixer) {
+        const leftParen = sourceCode.getTokenAfter(node.callee, isOpeningParenToken);
+        const rightParen = sourceCode.getLastToken(node);
+
+        // Remove everything before the opening paren: callee `Object.assign`, type arguments, and whitespace between the callee and the paren.
+        yield fixer.removeRange([node.range[0], leftParen.range[0]]);
+
+        // Replace the parens of argument list to braces.
+        if (needsParens(node, sourceCode)) {
+            yield fixer.replaceText(leftParen, "({");
+            yield fixer.replaceText(rightParen, "})");
+        } else {
+            yield fixer.replaceText(leftParen, "{");
+            yield fixer.replaceText(rightParen, "}");
+        }
+
+        // Process arguments.
+        for (const argNode of node.arguments) {
+            const innerParens = getParenTokens(argNode, leftParen, sourceCode);
+            const left = innerParens.shift();
+            const right = innerParens.pop();
+
+            if (argNode.type === "ObjectExpression") {
+                const maybeTrailingComma = sourceCode.getLastToken(argNode, 1);
+                const maybeArgumentComma = sourceCode.getTokenAfter(right);
+
+                /*
+                 * Make bare this object literal.
+                 * And remove spaces inside of the braces for better formatting.
+                 */
+                for (const innerParen of innerParens) {
+                    yield fixer.remove(innerParen);
+                }
+                const leftRange = [left.range[0], getEndWithSpaces(left, sourceCode)];
+                const rightRange = [
+                    Math.max(getStartWithSpaces(right, sourceCode), leftRange[1]), // Ensure ranges don't overlap
+                    right.range[1]
+                ];
+
+                yield fixer.removeRange(leftRange);
+                yield fixer.removeRange(rightRange);
+
+                // Remove the comma of this argument if it's duplication.
+                if (
+                    (argNode.properties.length === 0 || isCommaToken(maybeTrailingComma)) &&
+                    isCommaToken(maybeArgumentComma)
+                ) {
+                    yield fixer.remove(maybeArgumentComma);
+                }
+            } else {
+
+                // Make spread.
+                if (argNeedsParens(argNode, sourceCode)) {
+                    yield fixer.insertTextBefore(left, "...(");
+                    yield fixer.insertTextAfter(right, ")");
+                } else {
+                    yield fixer.insertTextBefore(left, "...");
+                }
+            }
+        }
+    };
+}
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description:
+                "disallow using Object.assign with an object literal as the first argument and prefer the use of object spread instead.",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-object-spread"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            useSpreadMessage: "Use an object spread instead of `Object.assign` eg: `{ ...foo }`.",
+            useLiteralMessage: "Use an object literal instead of `Object.assign`. eg: `{ foo: bar }`."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const trackMap = {
+                    Object: {
+                        assign: { [CALL]: true }
+                    }
+                };
+
+                // Iterate all calls of `Object.assign` (only of the global variable `Object`).
+                for (const { node } of tracker.iterateGlobalReferences(trackMap)) {
+                    if (
+                        node.arguments.length >= 1 &&
+                        node.arguments[0].type === "ObjectExpression" &&
+                        !hasArraySpread(node) &&
+                        !(
+                            node.arguments.length > 1 &&
+                            hasArgumentsWithAccessors(node)
+                        )
+                    ) {
+                        const messageId = node.arguments.length === 1
+                            ? "useLiteralMessage"
+                            : "useSpreadMessage";
+                        const fix = defineFixer(node, sourceCode);
+
+                        context.report({ node, messageId, fix });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-promise-reject-errors.js b/eslint/lib/rules/prefer-promise-reject-errors.js
new file mode 100644
index 0000000..56911b6
--- /dev/null
+++ b/eslint/lib/rules/prefer-promise-reject-errors.js
@@ -0,0 +1,133 @@
+/**
+ * @fileoverview restrict values that can be used as Promise rejection reasons
+ * @author Teddy Katz
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require using Error objects as Promise rejection reasons",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-promise-reject-errors"
+        },
+
+        fixable: null,
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowEmptyReject: { type: "boolean", default: false }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            rejectAnError: "Expected the Promise rejection reason to be an Error."
+        }
+    },
+
+    create(context) {
+
+        const ALLOW_EMPTY_REJECT = context.options.length && context.options[0].allowEmptyReject;
+
+        //----------------------------------------------------------------------
+        // Helpers
+        //----------------------------------------------------------------------
+
+        /**
+         * Checks the argument of a reject() or Promise.reject() CallExpression, and reports it if it can't be an Error
+         * @param {ASTNode} callExpression A CallExpression node which is used to reject a Promise
+         * @returns {void}
+         */
+        function checkRejectCall(callExpression) {
+            if (!callExpression.arguments.length && ALLOW_EMPTY_REJECT) {
+                return;
+            }
+            if (
+                !callExpression.arguments.length ||
+                !astUtils.couldBeError(callExpression.arguments[0]) ||
+                callExpression.arguments[0].type === "Identifier" && callExpression.arguments[0].name === "undefined"
+            ) {
+                context.report({
+                    node: callExpression,
+                    messageId: "rejectAnError"
+                });
+            }
+        }
+
+        /**
+         * Determines whether a function call is a Promise.reject() call
+         * @param {ASTNode} node A CallExpression node
+         * @returns {boolean} `true` if the call is a Promise.reject() call
+         */
+        function isPromiseRejectCall(node) {
+            return node.callee.type === "MemberExpression" &&
+                node.callee.object.type === "Identifier" && node.callee.object.name === "Promise" &&
+                node.callee.property.type === "Identifier" && node.callee.property.name === "reject";
+        }
+
+        //----------------------------------------------------------------------
+        // Public
+        //----------------------------------------------------------------------
+
+        return {
+
+            // Check `Promise.reject(value)` calls.
+            CallExpression(node) {
+                if (isPromiseRejectCall(node)) {
+                    checkRejectCall(node);
+                }
+            },
+
+            /*
+             * Check for `new Promise((resolve, reject) => {})`, and check for reject() calls.
+             * This function is run on "NewExpression:exit" instead of "NewExpression" to ensure that
+             * the nodes in the expression already have the `parent` property.
+             */
+            "NewExpression:exit"(node) {
+                if (
+                    node.callee.type === "Identifier" && node.callee.name === "Promise" &&
+                    node.arguments.length && astUtils.isFunction(node.arguments[0]) &&
+                    node.arguments[0].params.length > 1 && node.arguments[0].params[1].type === "Identifier"
+                ) {
+                    context.getDeclaredVariables(node.arguments[0])
+
+                        /*
+                         * Find the first variable that matches the second parameter's name.
+                         * If the first parameter has the same name as the second parameter, then the variable will actually
+                         * be "declared" when the first parameter is evaluated, but then it will be immediately overwritten
+                         * by the second parameter. It's not possible for an expression with the variable to be evaluated before
+                         * the variable is overwritten, because functions with duplicate parameters cannot have destructuring or
+                         * default assignments in their parameter lists. Therefore, it's not necessary to explicitly account for
+                         * this case.
+                         */
+                        .find(variable => variable.name === node.arguments[0].params[1].name)
+
+                        // Get the references to that variable.
+                        .references
+
+                        // Only check the references that read the parameter's value.
+                        .filter(ref => ref.isRead())
+
+                        // Only check the references that are used as the callee in a function call, e.g. `reject(foo)`.
+                        .filter(ref => ref.identifier.parent.type === "CallExpression" && ref.identifier === ref.identifier.parent.callee)
+
+                        // Check the argument of the function call to determine whether it's an Error.
+                        .forEach(ref => checkRejectCall(ref.identifier.parent));
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-reflect.js b/eslint/lib/rules/prefer-reflect.js
new file mode 100644
index 0000000..fb2de92
--- /dev/null
+++ b/eslint/lib/rules/prefer-reflect.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Rule to suggest using "Reflect" api over Function/Object methods
+ * @author Keith Cirkel <http://keithcirkel.co.uk>
+ * @deprecated in ESLint v3.9.0
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `Reflect` methods where applicable",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-reflect"
+        },
+
+        deprecated: true,
+
+        replacedBy: [],
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: {
+                            enum: [
+                                "apply",
+                                "call",
+                                "delete",
+                                "defineProperty",
+                                "getOwnPropertyDescriptor",
+                                "getPrototypeOf",
+                                "setPrototypeOf",
+                                "isExtensible",
+                                "getOwnPropertyNames",
+                                "preventExtensions"
+                            ]
+                        },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            preferReflect: "Avoid using {{existing}}, instead use {{substitute}}."
+        }
+    },
+
+    create(context) {
+        const existingNames = {
+            apply: "Function.prototype.apply",
+            call: "Function.prototype.call",
+            defineProperty: "Object.defineProperty",
+            getOwnPropertyDescriptor: "Object.getOwnPropertyDescriptor",
+            getPrototypeOf: "Object.getPrototypeOf",
+            setPrototypeOf: "Object.setPrototypeOf",
+            isExtensible: "Object.isExtensible",
+            getOwnPropertyNames: "Object.getOwnPropertyNames",
+            preventExtensions: "Object.preventExtensions"
+        };
+
+        const reflectSubstitutes = {
+            apply: "Reflect.apply",
+            call: "Reflect.apply",
+            defineProperty: "Reflect.defineProperty",
+            getOwnPropertyDescriptor: "Reflect.getOwnPropertyDescriptor",
+            getPrototypeOf: "Reflect.getPrototypeOf",
+            setPrototypeOf: "Reflect.setPrototypeOf",
+            isExtensible: "Reflect.isExtensible",
+            getOwnPropertyNames: "Reflect.getOwnPropertyNames",
+            preventExtensions: "Reflect.preventExtensions"
+        };
+
+        const exceptions = (context.options[0] || {}).exceptions || [];
+
+        /**
+         * Reports the Reflect violation based on the `existing` and `substitute`
+         * @param {Object} node The node that violates the rule.
+         * @param {string} existing The existing method name that has been used.
+         * @param {string} substitute The Reflect substitute that should be used.
+         * @returns {void}
+         */
+        function report(node, existing, substitute) {
+            context.report({
+                node,
+                messageId: "preferReflect",
+                data: {
+                    existing,
+                    substitute
+                }
+            });
+        }
+
+        return {
+            CallExpression(node) {
+                const methodName = (node.callee.property || {}).name;
+                const isReflectCall = (node.callee.object || {}).name === "Reflect";
+                const hasReflectSubsitute = Object.prototype.hasOwnProperty.call(reflectSubstitutes, methodName);
+                const userConfiguredException = exceptions.indexOf(methodName) !== -1;
+
+                if (hasReflectSubsitute && !isReflectCall && !userConfiguredException) {
+                    report(node, existingNames[methodName], reflectSubstitutes[methodName]);
+                }
+            },
+            UnaryExpression(node) {
+                const isDeleteOperator = node.operator === "delete";
+                const targetsIdentifier = node.argument.type === "Identifier";
+                const userConfiguredException = exceptions.indexOf("delete") !== -1;
+
+                if (isDeleteOperator && !targetsIdentifier && !userConfiguredException) {
+                    report(node, "the delete keyword", "Reflect.deleteProperty");
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/prefer-regex-literals.js b/eslint/lib/rules/prefer-regex-literals.js
new file mode 100644
index 0000000..47b2b09
--- /dev/null
+++ b/eslint/lib/rules/prefer-regex-literals.js
@@ -0,0 +1,125 @@
+/**
+ * @fileoverview Rule to disallow use of the `RegExp` constructor in favor of regular expression literals
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const { CALL, CONSTRUCT, ReferenceTracker, findVariable } = require("eslint-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given node is a string literal.
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} True if the node is a string literal.
+ */
+function isStringLiteral(node) {
+    return node.type === "Literal" && typeof node.value === "string";
+}
+
+/**
+ * Determines whether the given node is a template literal without expressions.
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} True if the node is a template literal without expressions.
+ */
+function isStaticTemplateLiteral(node) {
+    return node.type === "TemplateLiteral" && node.expressions.length === 0;
+}
+
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow use of the `RegExp` constructor in favor of regular expression literals",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-regex-literals"
+        },
+
+        schema: [],
+
+        messages: {
+            unexpectedRegExp: "Use a regular expression literal instead of the 'RegExp' constructor."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Determines whether the given identifier node is a reference to a global variable.
+         * @param {ASTNode} node `Identifier` node to check.
+         * @returns {boolean} True if the identifier is a reference to a global variable.
+         */
+        function isGlobalReference(node) {
+            const scope = context.getScope();
+            const variable = findVariable(scope, node);
+
+            return variable !== null && variable.scope.type === "global" && variable.defs.length === 0;
+        }
+
+        /**
+         * Determines whether the given node is a String.raw`` tagged template expression
+         * with a static template literal.
+         * @param {ASTNode} node Node to check.
+         * @returns {boolean} True if the node is String.raw`` with a static template.
+         */
+        function isStringRawTaggedStaticTemplateLiteral(node) {
+            return node.type === "TaggedTemplateExpression" &&
+                node.tag.type === "MemberExpression" &&
+                node.tag.object.type === "Identifier" &&
+                node.tag.object.name === "String" &&
+                isGlobalReference(node.tag.object) &&
+                astUtils.getStaticPropertyName(node.tag) === "raw" &&
+                isStaticTemplateLiteral(node.quasi);
+        }
+
+        /**
+         * Determines whether the given node is considered to be a static string by the logic of this rule.
+         * @param {ASTNode} node Node to check.
+         * @returns {boolean} True if the node is a static string.
+         */
+        function isStaticString(node) {
+            return isStringLiteral(node) ||
+                isStaticTemplateLiteral(node) ||
+                isStringRawTaggedStaticTemplateLiteral(node);
+        }
+
+        return {
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const traceMap = {
+                    RegExp: {
+                        [CALL]: true,
+                        [CONSTRUCT]: true
+                    }
+                };
+
+                for (const { node } of tracker.iterateGlobalReferences(traceMap)) {
+                    const args = node.arguments;
+
+                    if (
+                        (args.length === 1 || args.length === 2) &&
+                        args.every(isStaticString)
+                    ) {
+                        context.report({ node, messageId: "unexpectedRegExp" });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-rest-params.js b/eslint/lib/rules/prefer-rest-params.js
new file mode 100644
index 0000000..3ecea73
--- /dev/null
+++ b/eslint/lib/rules/prefer-rest-params.js
@@ -0,0 +1,115 @@
+/**
+ * @fileoverview Rule to
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the variable object of `arguments` which is defined implicitly.
+ * @param {eslint-scope.Scope} scope A scope to get.
+ * @returns {eslint-scope.Variable} The found variable object.
+ */
+function getVariableOfArguments(scope) {
+    const variables = scope.variables;
+
+    for (let i = 0; i < variables.length; ++i) {
+        const variable = variables[i];
+
+        if (variable.name === "arguments") {
+
+            /*
+             * If there was a parameter which is named "arguments", the implicit "arguments" is not defined.
+             * So does fast return with null.
+             */
+            return (variable.identifiers.length === 0) ? variable : null;
+        }
+    }
+
+    /* istanbul ignore next : unreachable */
+    return null;
+}
+
+/**
+ * Checks if the given reference is not normal member access.
+ *
+ * - arguments         .... true    // not member access
+ * - arguments[i]      .... true    // computed member access
+ * - arguments[0]      .... true    // computed member access
+ * - arguments.length  .... false   // normal member access
+ * @param {eslint-scope.Reference} reference The reference to check.
+ * @returns {boolean} `true` if the reference is not normal member access.
+ */
+function isNotNormalMemberAccess(reference) {
+    const id = reference.identifier;
+    const parent = id.parent;
+
+    return !(
+        parent.type === "MemberExpression" &&
+        parent.object === id &&
+        !parent.computed
+    );
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require rest parameters instead of `arguments`",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-rest-params"
+        },
+
+        schema: [],
+
+        messages: {
+            preferRestParams: "Use the rest parameters instead of 'arguments'."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Reports a given reference.
+         * @param {eslint-scope.Reference} reference A reference to report.
+         * @returns {void}
+         */
+        function report(reference) {
+            context.report({
+                node: reference.identifier,
+                loc: reference.identifier.loc,
+                messageId: "preferRestParams"
+            });
+        }
+
+        /**
+         * Reports references of the implicit `arguments` variable if exist.
+         * @returns {void}
+         */
+        function checkForArguments() {
+            const argumentsVar = getVariableOfArguments(context.getScope());
+
+            if (argumentsVar) {
+                argumentsVar
+                    .references
+                    .filter(isNotNormalMemberAccess)
+                    .forEach(report);
+            }
+        }
+
+        return {
+            "FunctionDeclaration:exit": checkForArguments,
+            "FunctionExpression:exit": checkForArguments
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-spread.js b/eslint/lib/rules/prefer-spread.js
new file mode 100644
index 0000000..bcb0dc0
--- /dev/null
+++ b/eslint/lib/rules/prefer-spread.js
@@ -0,0 +1,91 @@
+/**
+ * @fileoverview A rule to suggest using of the spread operator instead of `.apply()`.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a `.apply()` for variadic.
+ * @param {ASTNode} node A CallExpression node to check.
+ * @returns {boolean} Whether or not the node is a `.apply()` for variadic.
+ */
+function isVariadicApplyCalling(node) {
+    return (
+        node.callee.type === "MemberExpression" &&
+        node.callee.property.type === "Identifier" &&
+        node.callee.property.name === "apply" &&
+        node.callee.computed === false &&
+        node.arguments.length === 2 &&
+        node.arguments[1].type !== "ArrayExpression" &&
+        node.arguments[1].type !== "SpreadElement"
+    );
+}
+
+
+/**
+ * Checks whether or not `thisArg` is not changed by `.apply()`.
+ * @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
+ * @param {ASTNode} thisArg The node that is given to the first argument of the `.apply()`.
+ * @param {RuleContext} context The ESLint rule context object.
+ * @returns {boolean} Whether or not `thisArg` is not changed by `.apply()`.
+ */
+function isValidThisArg(expectedThis, thisArg, context) {
+    if (!expectedThis) {
+        return astUtils.isNullOrUndefined(thisArg);
+    }
+    return astUtils.equalTokens(expectedThis, thisArg, context);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require spread operators instead of `.apply()`",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-spread"
+        },
+
+        schema: [],
+        fixable: null,
+
+        messages: {
+            preferSpread: "Use the spread operator instead of '.apply()'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+            CallExpression(node) {
+                if (!isVariadicApplyCalling(node)) {
+                    return;
+                }
+
+                const applied = node.callee.object;
+                const expectedThis = (applied.type === "MemberExpression") ? applied.object : null;
+                const thisArg = node.arguments[0];
+
+                if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
+                    context.report({
+                        node,
+                        messageId: "preferSpread"
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/prefer-template.js b/eslint/lib/rules/prefer-template.js
new file mode 100644
index 0000000..e8f980e
--- /dev/null
+++ b/eslint/lib/rules/prefer-template.js
@@ -0,0 +1,283 @@
+/**
+ * @fileoverview A rule to suggest using template literals instead of string concatenation.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a concatenation.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a concatenation.
+ */
+function isConcatenation(node) {
+    return node.type === "BinaryExpression" && node.operator === "+";
+}
+
+/**
+ * Gets the top binary expression node for concatenation in parents of a given node.
+ * @param {ASTNode} node A node to get.
+ * @returns {ASTNode} the top binary expression node in parents of a given node.
+ */
+function getTopConcatBinaryExpression(node) {
+    let currentNode = node;
+
+    while (isConcatenation(currentNode.parent)) {
+        currentNode = currentNode.parent;
+    }
+    return currentNode;
+}
+
+/**
+ * Determines whether a given node is a octal escape sequence
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node is an octal escape sequence
+ */
+function isOctalEscapeSequence(node) {
+
+    // No need to check TemplateLiterals – would throw error with octal escape
+    const isStringLiteral = node.type === "Literal" && typeof node.value === "string";
+
+    if (!isStringLiteral) {
+        return false;
+    }
+
+    return astUtils.hasOctalEscapeSequence(node.raw);
+}
+
+/**
+ * Checks whether or not a node contains a octal escape sequence
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node contains an octal escape sequence
+ */
+function hasOctalEscapeSequence(node) {
+    if (isConcatenation(node)) {
+        return hasOctalEscapeSequence(node.left) || hasOctalEscapeSequence(node.right);
+    }
+
+    return isOctalEscapeSequence(node);
+}
+
+/**
+ * Checks whether or not a given binary expression has string literals.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node has string literals.
+ */
+function hasStringLiteral(node) {
+    if (isConcatenation(node)) {
+
+        // `left` is deeper than `right` normally.
+        return hasStringLiteral(node.right) || hasStringLiteral(node.left);
+    }
+    return astUtils.isStringLiteral(node);
+}
+
+/**
+ * Checks whether or not a given binary expression has non string literals.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node has non string literals.
+ */
+function hasNonStringLiteral(node) {
+    if (isConcatenation(node)) {
+
+        // `left` is deeper than `right` normally.
+        return hasNonStringLiteral(node.right) || hasNonStringLiteral(node.left);
+    }
+    return !astUtils.isStringLiteral(node);
+}
+
+/**
+ * Determines whether a given node will start with a template curly expression (`${}`) when being converted to a template literal.
+ * @param {ASTNode} node The node that will be fixed to a template literal
+ * @returns {boolean} `true` if the node will start with a template curly.
+ */
+function startsWithTemplateCurly(node) {
+    if (node.type === "BinaryExpression") {
+        return startsWithTemplateCurly(node.left);
+    }
+    if (node.type === "TemplateLiteral") {
+        return node.expressions.length && node.quasis.length && node.quasis[0].range[0] === node.quasis[0].range[1];
+    }
+    return node.type !== "Literal" || typeof node.value !== "string";
+}
+
+/**
+ * Determines whether a given node end with a template curly expression (`${}`) when being converted to a template literal.
+ * @param {ASTNode} node The node that will be fixed to a template literal
+ * @returns {boolean} `true` if the node will end with a template curly.
+ */
+function endsWithTemplateCurly(node) {
+    if (node.type === "BinaryExpression") {
+        return startsWithTemplateCurly(node.right);
+    }
+    if (node.type === "TemplateLiteral") {
+        return node.expressions.length && node.quasis.length && node.quasis[node.quasis.length - 1].range[0] === node.quasis[node.quasis.length - 1].range[1];
+    }
+    return node.type !== "Literal" || typeof node.value !== "string";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require template literals instead of string concatenation",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/prefer-template"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            unexpectedStringConcatenation: "Unexpected string concatenation."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let done = Object.create(null);
+
+        /**
+         * Gets the non-token text between two nodes, ignoring any other tokens that appear between the two tokens.
+         * @param {ASTNode} node1 The first node
+         * @param {ASTNode} node2 The second node
+         * @returns {string} The text between the nodes, excluding other tokens
+         */
+        function getTextBetween(node1, node2) {
+            const allTokens = [node1].concat(sourceCode.getTokensBetween(node1, node2)).concat(node2);
+            const sourceText = sourceCode.getText();
+
+            return allTokens.slice(0, -1).reduce((accumulator, token, index) => accumulator + sourceText.slice(token.range[1], allTokens[index + 1].range[0]), "");
+        }
+
+        /**
+         * Returns a template literal form of the given node.
+         * @param {ASTNode} currentNode A node that should be converted to a template literal
+         * @param {string} textBeforeNode Text that should appear before the node
+         * @param {string} textAfterNode Text that should appear after the node
+         * @returns {string} A string form of this node, represented as a template literal
+         */
+        function getTemplateLiteral(currentNode, textBeforeNode, textAfterNode) {
+            if (currentNode.type === "Literal" && typeof currentNode.value === "string") {
+
+                /*
+                 * If the current node is a string literal, escape any instances of ${ or ` to prevent them from being interpreted
+                 * as a template placeholder. However, if the code already contains a backslash before the ${ or `
+                 * for some reason, don't add another backslash, because that would change the meaning of the code (it would cause
+                 * an actual backslash character to appear before the dollar sign).
+                 */
+                return `\`${currentNode.raw.slice(1, -1).replace(/\\*(\$\{|`)/gu, matched => {
+                    if (matched.lastIndexOf("\\") % 2) {
+                        return `\\${matched}`;
+                    }
+                    return matched;
+
+                // Unescape any quotes that appear in the original Literal that no longer need to be escaped.
+                }).replace(new RegExp(`\\\\${currentNode.raw[0]}`, "gu"), currentNode.raw[0])}\``;
+            }
+
+            if (currentNode.type === "TemplateLiteral") {
+                return sourceCode.getText(currentNode);
+            }
+
+            if (isConcatenation(currentNode) && hasStringLiteral(currentNode) && hasNonStringLiteral(currentNode)) {
+                const plusSign = sourceCode.getFirstTokenBetween(currentNode.left, currentNode.right, token => token.value === "+");
+                const textBeforePlus = getTextBetween(currentNode.left, plusSign);
+                const textAfterPlus = getTextBetween(plusSign, currentNode.right);
+                const leftEndsWithCurly = endsWithTemplateCurly(currentNode.left);
+                const rightStartsWithCurly = startsWithTemplateCurly(currentNode.right);
+
+                if (leftEndsWithCurly) {
+
+                    // If the left side of the expression ends with a template curly, add the extra text to the end of the curly bracket.
+                    // `foo${bar}` /* comment */ + 'baz' --> `foo${bar /* comment */  }${baz}`
+                    return getTemplateLiteral(currentNode.left, textBeforeNode, textBeforePlus + textAfterPlus).slice(0, -1) +
+                        getTemplateLiteral(currentNode.right, null, textAfterNode).slice(1);
+                }
+                if (rightStartsWithCurly) {
+
+                    // Otherwise, if the right side of the expression starts with a template curly, add the text there.
+                    // 'foo' /* comment */ + `${bar}baz` --> `foo${ /* comment */  bar}baz`
+                    return getTemplateLiteral(currentNode.left, textBeforeNode, null).slice(0, -1) +
+                        getTemplateLiteral(currentNode.right, textBeforePlus + textAfterPlus, textAfterNode).slice(1);
+                }
+
+                /*
+                 * Otherwise, these nodes should not be combined into a template curly, since there is nowhere to put
+                 * the text between them.
+                 */
+                return `${getTemplateLiteral(currentNode.left, textBeforeNode, null)}${textBeforePlus}+${textAfterPlus}${getTemplateLiteral(currentNode.right, textAfterNode, null)}`;
+            }
+
+            return `\`\${${textBeforeNode || ""}${sourceCode.getText(currentNode)}${textAfterNode || ""}}\``;
+        }
+
+        /**
+         * Returns a fixer object that converts a non-string binary expression to a template literal
+         * @param {SourceCodeFixer} fixer The fixer object
+         * @param {ASTNode} node A node that should be converted to a template literal
+         * @returns {Object} A fix for this binary expression
+         */
+        function fixNonStringBinaryExpression(fixer, node) {
+            const topBinaryExpr = getTopConcatBinaryExpression(node.parent);
+
+            if (hasOctalEscapeSequence(topBinaryExpr)) {
+                return null;
+            }
+
+            return fixer.replaceText(topBinaryExpr, getTemplateLiteral(topBinaryExpr, null, null));
+        }
+
+        /**
+         * Reports if a given node is string concatenation with non string literals.
+         * @param {ASTNode} node A node to check.
+         * @returns {void}
+         */
+        function checkForStringConcat(node) {
+            if (!astUtils.isStringLiteral(node) || !isConcatenation(node.parent)) {
+                return;
+            }
+
+            const topBinaryExpr = getTopConcatBinaryExpression(node.parent);
+
+            // Checks whether or not this node had been checked already.
+            if (done[topBinaryExpr.range[0]]) {
+                return;
+            }
+            done[topBinaryExpr.range[0]] = true;
+
+            if (hasNonStringLiteral(topBinaryExpr)) {
+                context.report({
+                    node: topBinaryExpr,
+                    messageId: "unexpectedStringConcatenation",
+                    fix: fixer => fixNonStringBinaryExpression(fixer, node)
+                });
+            }
+        }
+
+        return {
+            Program() {
+                done = Object.create(null);
+            },
+
+            Literal: checkForStringConcat,
+            TemplateLiteral: checkForStringConcat
+        };
+    }
+};
diff --git a/eslint/lib/rules/quote-props.js b/eslint/lib/rules/quote-props.js
new file mode 100644
index 0000000..a2a4e1d
--- /dev/null
+++ b/eslint/lib/rules/quote-props.js
@@ -0,0 +1,307 @@
+/**
+ * @fileoverview Rule to flag non-quoted property names in object literals.
+ * @author Mathias Bynens <http://mathiasbynens.be/>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const espree = require("espree");
+const astUtils = require("./utils/ast-utils");
+const keywords = require("./utils/keywords");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require quotes around object literal property names",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/quote-props"
+        },
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "as-needed", "consistent", "consistent-as-needed"]
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 1
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always", "as-needed", "consistent", "consistent-as-needed"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                keywords: {
+                                    type: "boolean"
+                                },
+                                unnecessary: {
+                                    type: "boolean"
+                                },
+                                numbers: {
+                                    type: "boolean"
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        fixable: "code",
+        messages: {
+            requireQuotesDueToReservedWord: "Properties should be quoted as '{{property}}' is a reserved word.",
+            inconsistentlyQuotedProperty: "Inconsistently quoted property '{{key}}' found.",
+            unnecessarilyQuotedProperty: "Unnecessarily quoted property '{{property}}' found.",
+            unquotedReservedProperty: "Unquoted reserved word '{{property}}' used as key.",
+            unquotedNumericProperty: "Unquoted number literal '{{property}}' used as key.",
+            unquotedPropertyFound: "Unquoted property '{{property}}' found.",
+            redundantQuoting: "Properties shouldn't be quoted as all quotes are redundant."
+        }
+    },
+
+    create(context) {
+
+        const MODE = context.options[0],
+            KEYWORDS = context.options[1] && context.options[1].keywords,
+            CHECK_UNNECESSARY = !context.options[1] || context.options[1].unnecessary !== false,
+            NUMBERS = context.options[1] && context.options[1].numbers,
+
+            sourceCode = context.getSourceCode();
+
+
+        /**
+         * Checks whether a certain string constitutes an ES3 token
+         * @param   {string} tokenStr The string to be checked.
+         * @returns {boolean} `true` if it is an ES3 token.
+         */
+        function isKeyword(tokenStr) {
+            return keywords.indexOf(tokenStr) >= 0;
+        }
+
+        /**
+         * Checks if an espree-tokenized key has redundant quotes (i.e. whether quotes are unnecessary)
+         * @param   {string} rawKey The raw key value from the source
+         * @param   {espreeTokens} tokens The espree-tokenized node key
+         * @param   {boolean} [skipNumberLiterals=false] Indicates whether number literals should be checked
+         * @returns {boolean} Whether or not a key has redundant quotes.
+         * @private
+         */
+        function areQuotesRedundant(rawKey, tokens, skipNumberLiterals) {
+            return tokens.length === 1 && tokens[0].start === 0 && tokens[0].end === rawKey.length &&
+                (["Identifier", "Keyword", "Null", "Boolean"].indexOf(tokens[0].type) >= 0 ||
+                (tokens[0].type === "Numeric" && !skipNumberLiterals && String(+tokens[0].value) === tokens[0].value));
+        }
+
+        /**
+         * Returns a string representation of a property node with quotes removed
+         * @param {ASTNode} key Key AST Node, which may or may not be quoted
+         * @returns {string} A replacement string for this property
+         */
+        function getUnquotedKey(key) {
+            return key.type === "Identifier" ? key.name : key.value;
+        }
+
+        /**
+         * Returns a string representation of a property node with quotes added
+         * @param {ASTNode} key Key AST Node, which may or may not be quoted
+         * @returns {string} A replacement string for this property
+         */
+        function getQuotedKey(key) {
+            if (key.type === "Literal" && typeof key.value === "string") {
+
+                // If the key is already a string literal, don't replace the quotes with double quotes.
+                return sourceCode.getText(key);
+            }
+
+            // Otherwise, the key is either an identifier or a number literal.
+            return `"${key.type === "Identifier" ? key.name : key.value}"`;
+        }
+
+        /**
+         * Ensures that a property's key is quoted only when necessary
+         * @param   {ASTNode} node Property AST node
+         * @returns {void}
+         */
+        function checkUnnecessaryQuotes(node) {
+            const key = node.key;
+
+            if (node.method || node.computed || node.shorthand) {
+                return;
+            }
+
+            if (key.type === "Literal" && typeof key.value === "string") {
+                let tokens;
+
+                try {
+                    tokens = espree.tokenize(key.value);
+                } catch (e) {
+                    return;
+                }
+
+                if (tokens.length !== 1) {
+                    return;
+                }
+
+                const isKeywordToken = isKeyword(tokens[0].value);
+
+                if (isKeywordToken && KEYWORDS) {
+                    return;
+                }
+
+                if (CHECK_UNNECESSARY && areQuotesRedundant(key.value, tokens, NUMBERS)) {
+                    context.report({
+                        node,
+                        messageId: "unnecessarilyQuotedProperty",
+                        data: { property: key.value },
+                        fix: fixer => fixer.replaceText(key, getUnquotedKey(key))
+                    });
+                }
+            } else if (KEYWORDS && key.type === "Identifier" && isKeyword(key.name)) {
+                context.report({
+                    node,
+                    messageId: "unquotedReservedProperty",
+                    data: { property: key.name },
+                    fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+                });
+            } else if (NUMBERS && key.type === "Literal" && astUtils.isNumericLiteral(key)) {
+                context.report({
+                    node,
+                    messageId: "unquotedNumericProperty",
+                    data: { property: key.value },
+                    fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+                });
+            }
+        }
+
+        /**
+         * Ensures that a property's key is quoted
+         * @param   {ASTNode} node Property AST node
+         * @returns {void}
+         */
+        function checkOmittedQuotes(node) {
+            const key = node.key;
+
+            if (!node.method && !node.computed && !node.shorthand && !(key.type === "Literal" && typeof key.value === "string")) {
+                context.report({
+                    node,
+                    messageId: "unquotedPropertyFound",
+                    data: { property: key.name || key.value },
+                    fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+                });
+            }
+        }
+
+        /**
+         * Ensures that an object's keys are consistently quoted, optionally checks for redundancy of quotes
+         * @param   {ASTNode} node Property AST node
+         * @param   {boolean} checkQuotesRedundancy Whether to check quotes' redundancy
+         * @returns {void}
+         */
+        function checkConsistency(node, checkQuotesRedundancy) {
+            const quotedProps = [],
+                unquotedProps = [];
+            let keywordKeyName = null,
+                necessaryQuotes = false;
+
+            node.properties.forEach(property => {
+                const key = property.key;
+
+                if (!key || property.method || property.computed || property.shorthand) {
+                    return;
+                }
+
+                if (key.type === "Literal" && typeof key.value === "string") {
+
+                    quotedProps.push(property);
+
+                    if (checkQuotesRedundancy) {
+                        let tokens;
+
+                        try {
+                            tokens = espree.tokenize(key.value);
+                        } catch (e) {
+                            necessaryQuotes = true;
+                            return;
+                        }
+
+                        necessaryQuotes = necessaryQuotes || !areQuotesRedundant(key.value, tokens) || KEYWORDS && isKeyword(tokens[0].value);
+                    }
+                } else if (KEYWORDS && checkQuotesRedundancy && key.type === "Identifier" && isKeyword(key.name)) {
+                    unquotedProps.push(property);
+                    necessaryQuotes = true;
+                    keywordKeyName = key.name;
+                } else {
+                    unquotedProps.push(property);
+                }
+            });
+
+            if (checkQuotesRedundancy && quotedProps.length && !necessaryQuotes) {
+                quotedProps.forEach(property => {
+                    context.report({
+                        node: property,
+                        messageId: "redundantQuoting",
+                        fix: fixer => fixer.replaceText(property.key, getUnquotedKey(property.key))
+                    });
+                });
+            } else if (unquotedProps.length && keywordKeyName) {
+                unquotedProps.forEach(property => {
+                    context.report({
+                        node: property,
+                        messageId: "requireQuotesDueToReservedWord",
+                        data: { property: keywordKeyName },
+                        fix: fixer => fixer.replaceText(property.key, getQuotedKey(property.key))
+                    });
+                });
+            } else if (quotedProps.length && unquotedProps.length) {
+                unquotedProps.forEach(property => {
+                    context.report({
+                        node: property,
+                        messageId: "inconsistentlyQuotedProperty",
+                        data: { key: property.key.name || property.key.value },
+                        fix: fixer => fixer.replaceText(property.key, getQuotedKey(property.key))
+                    });
+                });
+            }
+        }
+
+        return {
+            Property(node) {
+                if (MODE === "always" || !MODE) {
+                    checkOmittedQuotes(node);
+                }
+                if (MODE === "as-needed") {
+                    checkUnnecessaryQuotes(node);
+                }
+            },
+            ObjectExpression(node) {
+                if (MODE === "consistent") {
+                    checkConsistency(node, false);
+                }
+                if (MODE === "consistent-as-needed") {
+                    checkConsistency(node, true);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/quotes.js b/eslint/lib/rules/quotes.js
new file mode 100644
index 0000000..d1f4443
--- /dev/null
+++ b/eslint/lib/rules/quotes.js
@@ -0,0 +1,332 @@
+/**
+ * @fileoverview A rule to choose between single and double quote marks
+ * @author Matt DuVall <http://www.mattduvall.com/>, Brandon Payton
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const QUOTE_SETTINGS = {
+    double: {
+        quote: "\"",
+        alternateQuote: "'",
+        description: "doublequote"
+    },
+    single: {
+        quote: "'",
+        alternateQuote: "\"",
+        description: "singlequote"
+    },
+    backtick: {
+        quote: "`",
+        alternateQuote: "\"",
+        description: "backtick"
+    }
+};
+
+// An unescaped newline is a newline preceded by an even number of backslashes.
+const UNESCAPED_LINEBREAK_PATTERN = new RegExp(String.raw`(^|[^\\])(\\\\)*[${Array.from(astUtils.LINEBREAKS).join("")}]`, "u");
+
+/**
+ * Switches quoting of javascript string between ' " and `
+ * escaping and unescaping as necessary.
+ * Only escaping of the minimal set of characters is changed.
+ * Note: escaping of newlines when switching from backtick to other quotes is not handled.
+ * @param {string} str A string to convert.
+ * @returns {string} The string with changed quotes.
+ * @private
+ */
+QUOTE_SETTINGS.double.convert =
+QUOTE_SETTINGS.single.convert =
+QUOTE_SETTINGS.backtick.convert = function(str) {
+    const newQuote = this.quote;
+    const oldQuote = str[0];
+
+    if (newQuote === oldQuote) {
+        return str;
+    }
+    return newQuote + str.slice(1, -1).replace(/\\(\$\{|\r\n?|\n|.)|["'`]|\$\{|(\r\n?|\n)/gu, (match, escaped, newline) => {
+        if (escaped === oldQuote || oldQuote === "`" && escaped === "${") {
+            return escaped; // unescape
+        }
+        if (match === newQuote || newQuote === "`" && match === "${") {
+            return `\\${match}`; // escape
+        }
+        if (newline && oldQuote === "`") {
+            return "\\n"; // escape newlines
+        }
+        return match;
+    }) + newQuote;
+};
+
+const AVOID_ESCAPE = "avoid-escape";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce the consistent use of either backticks, double, or single quotes",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/quotes"
+        },
+
+        fixable: "code",
+
+        schema: [
+            {
+                enum: ["single", "double", "backtick"]
+            },
+            {
+                anyOf: [
+                    {
+                        enum: ["avoid-escape"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            avoidEscape: {
+                                type: "boolean"
+                            },
+                            allowTemplateLiterals: {
+                                type: "boolean"
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            wrongQuotes: "Strings must use {{description}}."
+        }
+    },
+
+    create(context) {
+
+        const quoteOption = context.options[0],
+            settings = QUOTE_SETTINGS[quoteOption || "double"],
+            options = context.options[1],
+            allowTemplateLiterals = options && options.allowTemplateLiterals === true,
+            sourceCode = context.getSourceCode();
+        let avoidEscape = options && options.avoidEscape === true;
+
+        // deprecated
+        if (options === AVOID_ESCAPE) {
+            avoidEscape = true;
+        }
+
+        /**
+         * Determines if a given node is part of JSX syntax.
+         *
+         * This function returns `true` in the following cases:
+         *
+         * - `<div className="foo"></div>` ... If the literal is an attribute value, the parent of the literal is `JSXAttribute`.
+         * - `<div>foo</div>` ... If the literal is a text content, the parent of the literal is `JSXElement`.
+         * - `<>foo</>` ... If the literal is a text content, the parent of the literal is `JSXFragment`.
+         *
+         * In particular, this function returns `false` in the following cases:
+         *
+         * - `<div className={"foo"}></div>`
+         * - `<div>{"foo"}</div>`
+         *
+         * In both cases, inside of the braces is handled as normal JavaScript.
+         * The braces are `JSXExpressionContainer` nodes.
+         * @param {ASTNode} node The Literal node to check.
+         * @returns {boolean} True if the node is a part of JSX, false if not.
+         * @private
+         */
+        function isJSXLiteral(node) {
+            return node.parent.type === "JSXAttribute" || node.parent.type === "JSXElement" || node.parent.type === "JSXFragment";
+        }
+
+        /**
+         * Checks whether or not a given node is a directive.
+         * The directive is a `ExpressionStatement` which has only a string literal.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} Whether or not the node is a directive.
+         * @private
+         */
+        function isDirective(node) {
+            return (
+                node.type === "ExpressionStatement" &&
+                node.expression.type === "Literal" &&
+                typeof node.expression.value === "string"
+            );
+        }
+
+        /**
+         * Checks whether or not a given node is a part of directive prologues.
+         * See also: http://www.ecma-international.org/ecma-262/6.0/#sec-directive-prologues-and-the-use-strict-directive
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} Whether or not the node is a part of directive prologues.
+         * @private
+         */
+        function isPartOfDirectivePrologue(node) {
+            const block = node.parent.parent;
+
+            if (block.type !== "Program" && (block.type !== "BlockStatement" || !astUtils.isFunction(block.parent))) {
+                return false;
+            }
+
+            // Check the node is at a prologue.
+            for (let i = 0; i < block.body.length; ++i) {
+                const statement = block.body[i];
+
+                if (statement === node.parent) {
+                    return true;
+                }
+                if (!isDirective(statement)) {
+                    break;
+                }
+            }
+
+            return false;
+        }
+
+        /**
+         * Checks whether or not a given node is allowed as non backtick.
+         * @param {ASTNode} node A node to check.
+         * @returns {boolean} Whether or not the node is allowed as non backtick.
+         * @private
+         */
+        function isAllowedAsNonBacktick(node) {
+            const parent = node.parent;
+
+            switch (parent.type) {
+
+                // Directive Prologues.
+                case "ExpressionStatement":
+                    return isPartOfDirectivePrologue(node);
+
+                // LiteralPropertyName.
+                case "Property":
+                case "MethodDefinition":
+                    return parent.key === node && !parent.computed;
+
+                // ModuleSpecifier.
+                case "ImportDeclaration":
+                case "ExportNamedDeclaration":
+                case "ExportAllDeclaration":
+                    return parent.source === node;
+
+                // Others don't allow.
+                default:
+                    return false;
+            }
+        }
+
+        /**
+         * Checks whether or not a given TemplateLiteral node is actually using any of the special features provided by template literal strings.
+         * @param {ASTNode} node A TemplateLiteral node to check.
+         * @returns {boolean} Whether or not the TemplateLiteral node is using any of the special features provided by template literal strings.
+         * @private
+         */
+        function isUsingFeatureOfTemplateLiteral(node) {
+            const hasTag = node.parent.type === "TaggedTemplateExpression" && node === node.parent.quasi;
+
+            if (hasTag) {
+                return true;
+            }
+
+            const hasStringInterpolation = node.expressions.length > 0;
+
+            if (hasStringInterpolation) {
+                return true;
+            }
+
+            const isMultilineString = node.quasis.length >= 1 && UNESCAPED_LINEBREAK_PATTERN.test(node.quasis[0].value.raw);
+
+            if (isMultilineString) {
+                return true;
+            }
+
+            return false;
+        }
+
+        return {
+
+            Literal(node) {
+                const val = node.value,
+                    rawVal = node.raw;
+
+                if (settings && typeof val === "string") {
+                    let isValid = (quoteOption === "backtick" && isAllowedAsNonBacktick(node)) ||
+                        isJSXLiteral(node) ||
+                        astUtils.isSurroundedBy(rawVal, settings.quote);
+
+                    if (!isValid && avoidEscape) {
+                        isValid = astUtils.isSurroundedBy(rawVal, settings.alternateQuote) && rawVal.indexOf(settings.quote) >= 0;
+                    }
+
+                    if (!isValid) {
+                        context.report({
+                            node,
+                            messageId: "wrongQuotes",
+                            data: {
+                                description: settings.description
+                            },
+                            fix(fixer) {
+                                if (quoteOption === "backtick" && astUtils.hasOctalEscapeSequence(rawVal)) {
+
+                                    // An octal escape sequence in a template literal would produce syntax error, even in non-strict mode.
+                                    return null;
+                                }
+
+                                return fixer.replaceText(node, settings.convert(node.raw));
+                            }
+                        });
+                    }
+                }
+            },
+
+            TemplateLiteral(node) {
+
+                // Don't throw an error if backticks are expected or a template literal feature is in use.
+                if (
+                    allowTemplateLiterals ||
+                    quoteOption === "backtick" ||
+                    isUsingFeatureOfTemplateLiteral(node)
+                ) {
+                    return;
+                }
+
+                context.report({
+                    node,
+                    messageId: "wrongQuotes",
+                    data: {
+                        description: settings.description
+                    },
+                    fix(fixer) {
+                        if (isPartOfDirectivePrologue(node)) {
+
+                            /*
+                             * TemplateLiterals in a directive prologue aren't actually directives, but if they're
+                             * in the directive prologue, then fixing them might turn them into directives and change
+                             * the behavior of the code.
+                             */
+                            return null;
+                        }
+                        return fixer.replaceText(node, settings.convert(sourceCode.getText(node)));
+                    }
+                });
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/radix.js b/eslint/lib/rules/radix.js
new file mode 100644
index 0000000..3903cb2
--- /dev/null
+++ b/eslint/lib/rules/radix.js
@@ -0,0 +1,178 @@
+/**
+ * @fileoverview Rule to flag use of parseInt without a radix argument
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const MODE_ALWAYS = "always",
+    MODE_AS_NEEDED = "as-needed";
+
+const validRadixValues = new Set(Array.from({ length: 37 - 2 }, (_, index) => index + 2));
+
+/**
+ * Checks whether a given variable is shadowed or not.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is shadowed.
+ */
+function isShadowed(variable) {
+    return variable.defs.length >= 1;
+}
+
+/**
+ * Checks whether a given node is a MemberExpression of `parseInt` method or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a MemberExpression of `parseInt`
+ *      method.
+ */
+function isParseIntMethod(node) {
+    return (
+        node.type === "MemberExpression" &&
+        !node.computed &&
+        node.property.type === "Identifier" &&
+        node.property.name === "parseInt"
+    );
+}
+
+/**
+ * Checks whether a given node is a valid value of radix or not.
+ *
+ * The following values are invalid.
+ *
+ * - A literal except integers between 2 and 36.
+ * - undefined.
+ * @param {ASTNode} radix A node of radix to check.
+ * @returns {boolean} `true` if the node is valid.
+ */
+function isValidRadix(radix) {
+    return !(
+        (radix.type === "Literal" && !validRadixValues.has(radix.value)) ||
+        (radix.type === "Identifier" && radix.name === "undefined")
+    );
+}
+
+/**
+ * Checks whether a given node is a default value of radix or not.
+ * @param {ASTNode} radix A node of radix to check.
+ * @returns {boolean} `true` if the node is the literal node of `10`.
+ */
+function isDefaultRadix(radix) {
+    return radix.type === "Literal" && radix.value === 10;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce the consistent use of the radix argument when using `parseInt()`",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/radix"
+        },
+
+        schema: [
+            {
+                enum: ["always", "as-needed"]
+            }
+        ],
+
+        messages: {
+            missingParameters: "Missing parameters.",
+            redundantRadix: "Redundant radix parameter.",
+            missingRadix: "Missing radix parameter.",
+            invalidRadix: "Invalid radix parameter, must be an integer between 2 and 36."
+        }
+    },
+
+    create(context) {
+        const mode = context.options[0] || MODE_ALWAYS;
+
+        /**
+         * Checks the arguments of a given CallExpression node and reports it if it
+         * offends this rule.
+         * @param {ASTNode} node A CallExpression node to check.
+         * @returns {void}
+         */
+        function checkArguments(node) {
+            const args = node.arguments;
+
+            switch (args.length) {
+                case 0:
+                    context.report({
+                        node,
+                        messageId: "missingParameters"
+                    });
+                    break;
+
+                case 1:
+                    if (mode === MODE_ALWAYS) {
+                        context.report({
+                            node,
+                            messageId: "missingRadix"
+                        });
+                    }
+                    break;
+
+                default:
+                    if (mode === MODE_AS_NEEDED && isDefaultRadix(args[1])) {
+                        context.report({
+                            node,
+                            messageId: "redundantRadix"
+                        });
+                    } else if (!isValidRadix(args[1])) {
+                        context.report({
+                            node,
+                            messageId: "invalidRadix"
+                        });
+                    }
+                    break;
+            }
+        }
+
+        return {
+            "Program:exit"() {
+                const scope = context.getScope();
+                let variable;
+
+                // Check `parseInt()`
+                variable = astUtils.getVariableByName(scope, "parseInt");
+                if (variable && !isShadowed(variable)) {
+                    variable.references.forEach(reference => {
+                        const node = reference.identifier;
+
+                        if (astUtils.isCallee(node)) {
+                            checkArguments(node.parent);
+                        }
+                    });
+                }
+
+                // Check `Number.parseInt()`
+                variable = astUtils.getVariableByName(scope, "Number");
+                if (variable && !isShadowed(variable)) {
+                    variable.references.forEach(reference => {
+                        const node = reference.identifier.parent;
+
+                        if (isParseIntMethod(node) && astUtils.isCallee(node)) {
+                            checkArguments(node.parent);
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/require-atomic-updates.js b/eslint/lib/rules/require-atomic-updates.js
new file mode 100644
index 0000000..4f6acce
--- /dev/null
+++ b/eslint/lib/rules/require-atomic-updates.js
@@ -0,0 +1,283 @@
+/**
+ * @fileoverview disallow assignments that can lead to race conditions due to usage of `await` or `yield`
+ * @author Teddy Katz
+ * @author Toru Nagashima
+ */
+"use strict";
+
+/**
+ * Make the map from identifiers to each reference.
+ * @param {escope.Scope} scope The scope to get references.
+ * @param {Map<Identifier, escope.Reference>} [outReferenceMap] The map from identifier nodes to each reference object.
+ * @returns {Map<Identifier, escope.Reference>} `referenceMap`.
+ */
+function createReferenceMap(scope, outReferenceMap = new Map()) {
+    for (const reference of scope.references) {
+        outReferenceMap.set(reference.identifier, reference);
+    }
+    for (const childScope of scope.childScopes) {
+        if (childScope.type !== "function") {
+            createReferenceMap(childScope, outReferenceMap);
+        }
+    }
+
+    return outReferenceMap;
+}
+
+/**
+ * Get `reference.writeExpr` of a given reference.
+ * If it's the read reference of MemberExpression in LHS, returns RHS in order to address `a.b = await a`
+ * @param {escope.Reference} reference The reference to get.
+ * @returns {Expression|null} The `reference.writeExpr`.
+ */
+function getWriteExpr(reference) {
+    if (reference.writeExpr) {
+        return reference.writeExpr;
+    }
+    let node = reference.identifier;
+
+    while (node) {
+        const t = node.parent.type;
+
+        if (t === "AssignmentExpression" && node.parent.left === node) {
+            return node.parent.right;
+        }
+        if (t === "MemberExpression" && node.parent.object === node) {
+            node = node.parent;
+            continue;
+        }
+
+        break;
+    }
+
+    return null;
+}
+
+/**
+ * Checks if an expression is a variable that can only be observed within the given function.
+ * @param {Variable|null} variable The variable to check
+ * @param {boolean} isMemberAccess If `true` then this is a member access.
+ * @returns {boolean} `true` if the variable is local to the given function, and is never referenced in a closure.
+ */
+function isLocalVariableWithoutEscape(variable, isMemberAccess) {
+    if (!variable) {
+        return false; // A global variable which was not defined.
+    }
+
+    // If the reference is a property access and the variable is a parameter, it handles the variable is not local.
+    if (isMemberAccess && variable.defs.some(d => d.type === "Parameter")) {
+        return false;
+    }
+
+    const functionScope = variable.scope.variableScope;
+
+    return variable.references.every(reference =>
+        reference.from.variableScope === functionScope);
+}
+
+class SegmentInfo {
+    constructor() {
+        this.info = new WeakMap();
+    }
+
+    /**
+     * Initialize the segment information.
+     * @param {PathSegment} segment The segment to initialize.
+     * @returns {void}
+     */
+    initialize(segment) {
+        const outdatedReadVariableNames = new Set();
+        const freshReadVariableNames = new Set();
+
+        for (const prevSegment of segment.prevSegments) {
+            const info = this.info.get(prevSegment);
+
+            if (info) {
+                info.outdatedReadVariableNames.forEach(Set.prototype.add, outdatedReadVariableNames);
+                info.freshReadVariableNames.forEach(Set.prototype.add, freshReadVariableNames);
+            }
+        }
+
+        this.info.set(segment, { outdatedReadVariableNames, freshReadVariableNames });
+    }
+
+    /**
+     * Mark a given variable as read on given segments.
+     * @param {PathSegment[]} segments The segments that it read the variable on.
+     * @param {string} variableName The variable name to be read.
+     * @returns {void}
+     */
+    markAsRead(segments, variableName) {
+        for (const segment of segments) {
+            const info = this.info.get(segment);
+
+            if (info) {
+                info.freshReadVariableNames.add(variableName);
+            }
+        }
+    }
+
+    /**
+     * Move `freshReadVariableNames` to `outdatedReadVariableNames`.
+     * @param {PathSegment[]} segments The segments to process.
+     * @returns {void}
+     */
+    makeOutdated(segments) {
+        for (const segment of segments) {
+            const info = this.info.get(segment);
+
+            if (info) {
+                info.freshReadVariableNames.forEach(Set.prototype.add, info.outdatedReadVariableNames);
+                info.freshReadVariableNames.clear();
+            }
+        }
+    }
+
+    /**
+     * Check if a given variable is outdated on the current segments.
+     * @param {PathSegment[]} segments The current segments.
+     * @param {string} variableName The variable name to check.
+     * @returns {boolean} `true` if the variable is outdated on the segments.
+     */
+    isOutdated(segments, variableName) {
+        for (const segment of segments) {
+            const info = this.info.get(segment);
+
+            if (info && info.outdatedReadVariableNames.has(variableName)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "disallow assignments that can lead to race conditions due to usage of `await` or `yield`",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/require-atomic-updates"
+        },
+
+        fixable: null,
+        schema: [],
+
+        messages: {
+            nonAtomicUpdate: "Possible race condition: `{{value}}` might be reassigned based on an outdated value of `{{value}}`."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const assignmentReferences = new Map();
+        const segmentInfo = new SegmentInfo();
+        let stack = null;
+
+        return {
+            onCodePathStart(codePath) {
+                const scope = context.getScope();
+                const shouldVerify =
+                    scope.type === "function" &&
+                    (scope.block.async || scope.block.generator);
+
+                stack = {
+                    upper: stack,
+                    codePath,
+                    referenceMap: shouldVerify ? createReferenceMap(scope) : null
+                };
+            },
+            onCodePathEnd() {
+                stack = stack.upper;
+            },
+
+            // Initialize the segment information.
+            onCodePathSegmentStart(segment) {
+                segmentInfo.initialize(segment);
+            },
+
+            // Handle references to prepare verification.
+            Identifier(node) {
+                const { codePath, referenceMap } = stack;
+                const reference = referenceMap && referenceMap.get(node);
+
+                // Ignore if this is not a valid variable reference.
+                if (!reference) {
+                    return;
+                }
+                const name = reference.identifier.name;
+                const variable = reference.resolved;
+                const writeExpr = getWriteExpr(reference);
+                const isMemberAccess = reference.identifier.parent.type === "MemberExpression";
+
+                // Add a fresh read variable.
+                if (reference.isRead() && !(writeExpr && writeExpr.parent.operator === "=")) {
+                    segmentInfo.markAsRead(codePath.currentSegments, name);
+                }
+
+                /*
+                 * Register the variable to verify after ESLint traversed the `writeExpr` node
+                 * if this reference is an assignment to a variable which is referred from other closure.
+                 */
+                if (writeExpr &&
+                    writeExpr.parent.right === writeExpr && // ← exclude variable declarations.
+                    !isLocalVariableWithoutEscape(variable, isMemberAccess)
+                ) {
+                    let refs = assignmentReferences.get(writeExpr);
+
+                    if (!refs) {
+                        refs = [];
+                        assignmentReferences.set(writeExpr, refs);
+                    }
+
+                    refs.push(reference);
+                }
+            },
+
+            /*
+             * Verify assignments.
+             * If the reference exists in `outdatedReadVariableNames` list, report it.
+             */
+            ":expression:exit"(node) {
+                const { codePath, referenceMap } = stack;
+
+                // referenceMap exists if this is in a resumable function scope.
+                if (!referenceMap) {
+                    return;
+                }
+
+                // Mark the read variables on this code path as outdated.
+                if (node.type === "AwaitExpression" || node.type === "YieldExpression") {
+                    segmentInfo.makeOutdated(codePath.currentSegments);
+                }
+
+                // Verify.
+                const references = assignmentReferences.get(node);
+
+                if (references) {
+                    assignmentReferences.delete(node);
+
+                    for (const reference of references) {
+                        const name = reference.identifier.name;
+
+                        if (segmentInfo.isOutdated(codePath.currentSegments, name)) {
+                            context.report({
+                                node: node.parent,
+                                messageId: "nonAtomicUpdate",
+                                data: {
+                                    value: sourceCode.getText(node.parent.left)
+                                }
+                            });
+                        }
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/require-await.js b/eslint/lib/rules/require-await.js
new file mode 100644
index 0000000..9b5acc7
--- /dev/null
+++ b/eslint/lib/rules/require-await.js
@@ -0,0 +1,113 @@
+/**
+ * @fileoverview Rule to disallow async functions which have no `await` expression.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Capitalize the 1st letter of the given text.
+ * @param {string} text The text to capitalize.
+ * @returns {string} The text that the 1st letter was capitalized.
+ */
+function capitalizeFirstLetter(text) {
+    return text[0].toUpperCase() + text.slice(1);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow async functions which have no `await` expression",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/require-await"
+        },
+
+        schema: [],
+
+        messages: {
+            missingAwait: "{{name}} has no 'await' expression."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        let scopeInfo = null;
+
+        /**
+         * Push the scope info object to the stack.
+         * @returns {void}
+         */
+        function enterFunction() {
+            scopeInfo = {
+                upper: scopeInfo,
+                hasAwait: false
+            };
+        }
+
+        /**
+         * Pop the top scope info object from the stack.
+         * Also, it reports the function if needed.
+         * @param {ASTNode} node The node to report.
+         * @returns {void}
+         */
+        function exitFunction(node) {
+            if (!node.generator && node.async && !scopeInfo.hasAwait && !astUtils.isEmptyFunction(node)) {
+                context.report({
+                    node,
+                    loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+                    messageId: "missingAwait",
+                    data: {
+                        name: capitalizeFirstLetter(
+                            astUtils.getFunctionNameWithKind(node)
+                        )
+                    }
+                });
+            }
+
+            scopeInfo = scopeInfo.upper;
+        }
+
+        return {
+            FunctionDeclaration: enterFunction,
+            FunctionExpression: enterFunction,
+            ArrowFunctionExpression: enterFunction,
+            "FunctionDeclaration:exit": exitFunction,
+            "FunctionExpression:exit": exitFunction,
+            "ArrowFunctionExpression:exit": exitFunction,
+
+            AwaitExpression() {
+                if (!scopeInfo) {
+                    return;
+                }
+
+                scopeInfo.hasAwait = true;
+            },
+            ForOfStatement(node) {
+                if (!scopeInfo) {
+                    return;
+                }
+
+                if (node.await) {
+                    scopeInfo.hasAwait = true;
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/require-jsdoc.js b/eslint/lib/rules/require-jsdoc.js
new file mode 100644
index 0000000..e581b2b
--- /dev/null
+++ b/eslint/lib/rules/require-jsdoc.js
@@ -0,0 +1,121 @@
+/**
+ * @fileoverview Rule to check for jsdoc presence.
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require JSDoc comments",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/require-jsdoc"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    require: {
+                        type: "object",
+                        properties: {
+                            ClassDeclaration: {
+                                type: "boolean",
+                                default: false
+                            },
+                            MethodDefinition: {
+                                type: "boolean",
+                                default: false
+                            },
+                            FunctionDeclaration: {
+                                type: "boolean",
+                                default: true
+                            },
+                            ArrowFunctionExpression: {
+                                type: "boolean",
+                                default: false
+                            },
+                            FunctionExpression: {
+                                type: "boolean",
+                                default: false
+                            }
+                        },
+                        additionalProperties: false,
+                        default: {}
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        deprecated: true,
+        replacedBy: [],
+
+        messages: {
+            missingJSDocComment: "Missing JSDoc comment."
+        }
+    },
+
+    create(context) {
+        const source = context.getSourceCode();
+        const DEFAULT_OPTIONS = {
+            FunctionDeclaration: true,
+            MethodDefinition: false,
+            ClassDeclaration: false,
+            ArrowFunctionExpression: false,
+            FunctionExpression: false
+        };
+        const options = Object.assign(DEFAULT_OPTIONS, context.options[0] && context.options[0].require);
+
+        /**
+         * Report the error message
+         * @param {ASTNode} node node to report
+         * @returns {void}
+         */
+        function report(node) {
+            context.report({ node, messageId: "missingJSDocComment" });
+        }
+
+        /**
+         * Check if the jsdoc comment is present or not.
+         * @param {ASTNode} node node to examine
+         * @returns {void}
+         */
+        function checkJsDoc(node) {
+            const jsdocComment = source.getJSDocComment(node);
+
+            if (!jsdocComment) {
+                report(node);
+            }
+        }
+
+        return {
+            FunctionDeclaration(node) {
+                if (options.FunctionDeclaration) {
+                    checkJsDoc(node);
+                }
+            },
+            FunctionExpression(node) {
+                if (
+                    (options.MethodDefinition && node.parent.type === "MethodDefinition") ||
+                    (options.FunctionExpression && (node.parent.type === "VariableDeclarator" || (node.parent.type === "Property" && node === node.parent.value)))
+                ) {
+                    checkJsDoc(node);
+                }
+            },
+            ClassDeclaration(node) {
+                if (options.ClassDeclaration) {
+                    checkJsDoc(node);
+                }
+            },
+            ArrowFunctionExpression(node) {
+                if (options.ArrowFunctionExpression && node.parent.type === "VariableDeclarator") {
+                    checkJsDoc(node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/require-unicode-regexp.js b/eslint/lib/rules/require-unicode-regexp.js
new file mode 100644
index 0000000..880405e
--- /dev/null
+++ b/eslint/lib/rules/require-unicode-regexp.js
@@ -0,0 +1,69 @@
+/**
+ * @fileoverview Rule to enforce the use of `u` flag on RegExp.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+    CALL,
+    CONSTRUCT,
+    ReferenceTracker,
+    getStringIfConstant
+} = require("eslint-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce the use of `u` flag on RegExp",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/require-unicode-regexp"
+        },
+
+        messages: {
+            requireUFlag: "Use the 'u' flag."
+        },
+
+        schema: []
+    },
+
+    create(context) {
+        return {
+            "Literal[regex]"(node) {
+                const flags = node.regex.flags || "";
+
+                if (!flags.includes("u")) {
+                    context.report({ node, messageId: "requireUFlag" });
+                }
+            },
+
+            Program() {
+                const scope = context.getScope();
+                const tracker = new ReferenceTracker(scope);
+                const trackMap = {
+                    RegExp: { [CALL]: true, [CONSTRUCT]: true }
+                };
+
+                for (const { node } of tracker.iterateGlobalReferences(trackMap)) {
+                    const flagsNode = node.arguments[1];
+                    const flags = getStringIfConstant(flagsNode, scope);
+
+                    if (!flagsNode || (typeof flags === "string" && !flags.includes("u"))) {
+                        context.report({ node, messageId: "requireUFlag" });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/require-yield.js b/eslint/lib/rules/require-yield.js
new file mode 100644
index 0000000..af2344d
--- /dev/null
+++ b/eslint/lib/rules/require-yield.js
@@ -0,0 +1,78 @@
+/**
+ * @fileoverview Rule to flag the generator functions that does not have yield.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require generator functions to contain `yield`",
+            category: "ECMAScript 6",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/require-yield"
+        },
+
+        schema: [],
+
+        messages: {
+            missingYield: "This generator function does not have 'yield'."
+        }
+    },
+
+    create(context) {
+        const stack = [];
+
+        /**
+         * If the node is a generator function, start counting `yield` keywords.
+         * @param {Node} node A function node to check.
+         * @returns {void}
+         */
+        function beginChecking(node) {
+            if (node.generator) {
+                stack.push(0);
+            }
+        }
+
+        /**
+         * If the node is a generator function, end counting `yield` keywords, then
+         * reports result.
+         * @param {Node} node A function node to check.
+         * @returns {void}
+         */
+        function endChecking(node) {
+            if (!node.generator) {
+                return;
+            }
+
+            const countYield = stack.pop();
+
+            if (countYield === 0 && node.body.body.length > 0) {
+                context.report({ node, messageId: "missingYield" });
+            }
+        }
+
+        return {
+            FunctionDeclaration: beginChecking,
+            "FunctionDeclaration:exit": endChecking,
+            FunctionExpression: beginChecking,
+            "FunctionExpression:exit": endChecking,
+
+            // Increases the count of `yield` keyword.
+            YieldExpression() {
+
+                /* istanbul ignore else */
+                if (stack.length > 0) {
+                    stack[stack.length - 1] += 1;
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/rest-spread-spacing.js b/eslint/lib/rules/rest-spread-spacing.js
new file mode 100644
index 0000000..4bb5f78
--- /dev/null
+++ b/eslint/lib/rules/rest-spread-spacing.js
@@ -0,0 +1,123 @@
+/**
+ * @fileoverview Enforce spacing between rest and spread operators and their expressions.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce spacing between rest and spread operators and their expressions",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/rest-spread-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            }
+        ],
+
+        messages: {
+            unexpectedWhitespace: "Unexpected whitespace after {{type}} operator.",
+            expectedWhitespace: "Expected whitespace after {{type}} operator."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode(),
+            alwaysSpace = context.options[0] === "always";
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Checks whitespace between rest/spread operators and their expressions
+         * @param {ASTNode} node The node to check
+         * @returns {void}
+         */
+        function checkWhiteSpace(node) {
+            const operator = sourceCode.getFirstToken(node),
+                nextToken = sourceCode.getTokenAfter(operator),
+                hasWhitespace = sourceCode.isSpaceBetweenTokens(operator, nextToken);
+            let type;
+
+            switch (node.type) {
+                case "SpreadElement":
+                    type = "spread";
+                    if (node.parent.type === "ObjectExpression") {
+                        type += " property";
+                    }
+                    break;
+                case "RestElement":
+                    type = "rest";
+                    if (node.parent.type === "ObjectPattern") {
+                        type += " property";
+                    }
+                    break;
+                case "ExperimentalSpreadProperty":
+                    type = "spread property";
+                    break;
+                case "ExperimentalRestProperty":
+                    type = "rest property";
+                    break;
+                default:
+                    return;
+            }
+
+            if (alwaysSpace && !hasWhitespace) {
+                context.report({
+                    node,
+                    loc: {
+                        line: operator.loc.end.line,
+                        column: operator.loc.end.column
+                    },
+                    messageId: "expectedWhitespace",
+                    data: {
+                        type
+                    },
+                    fix(fixer) {
+                        return fixer.replaceTextRange([operator.range[1], nextToken.range[0]], " ");
+                    }
+                });
+            } else if (!alwaysSpace && hasWhitespace) {
+                context.report({
+                    node,
+                    loc: {
+                        line: operator.loc.end.line,
+                        column: operator.loc.end.column
+                    },
+                    messageId: "unexpectedWhitespace",
+                    data: {
+                        type
+                    },
+                    fix(fixer) {
+                        return fixer.removeRange([operator.range[1], nextToken.range[0]]);
+                    }
+                });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            SpreadElement: checkWhiteSpace,
+            RestElement: checkWhiteSpace,
+            ExperimentalSpreadProperty: checkWhiteSpace,
+            ExperimentalRestProperty: checkWhiteSpace
+        };
+    }
+};
diff --git a/eslint/lib/rules/semi-spacing.js b/eslint/lib/rules/semi-spacing.js
new file mode 100644
index 0000000..9294853
--- /dev/null
+++ b/eslint/lib/rules/semi-spacing.js
@@ -0,0 +1,219 @@
+/**
+ * @fileoverview Validates spacing before and after semicolon
+ * @author Mathias Schreck
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before and after semicolons",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/semi-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: {
+                        type: "boolean",
+                        default: false
+                    },
+                    after: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedWhitespaceBefore: "Unexpected whitespace before semicolon.",
+            unexpectedWhitespaceAfter: "Unexpected whitespace after semicolon.",
+            missingWhitespaceBefore: "Missing whitespace before semicolon.",
+            missingWhitespaceAfter: "Missing whitespace after semicolon."
+        }
+    },
+
+    create(context) {
+
+        const config = context.options[0],
+            sourceCode = context.getSourceCode();
+        let requireSpaceBefore = false,
+            requireSpaceAfter = true;
+
+        if (typeof config === "object") {
+            requireSpaceBefore = config.before;
+            requireSpaceAfter = config.after;
+        }
+
+        /**
+         * Checks if a given token has leading whitespace.
+         * @param {Object} token The token to check.
+         * @returns {boolean} True if the given token has leading space, false if not.
+         */
+        function hasLeadingSpace(token) {
+            const tokenBefore = sourceCode.getTokenBefore(token);
+
+            return tokenBefore && astUtils.isTokenOnSameLine(tokenBefore, token) && sourceCode.isSpaceBetweenTokens(tokenBefore, token);
+        }
+
+        /**
+         * Checks if a given token has trailing whitespace.
+         * @param {Object} token The token to check.
+         * @returns {boolean} True if the given token has trailing space, false if not.
+         */
+        function hasTrailingSpace(token) {
+            const tokenAfter = sourceCode.getTokenAfter(token);
+
+            return tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter) && sourceCode.isSpaceBetweenTokens(token, tokenAfter);
+        }
+
+        /**
+         * Checks if the given token is the last token in its line.
+         * @param {Token} token The token to check.
+         * @returns {boolean} Whether or not the token is the last in its line.
+         */
+        function isLastTokenInCurrentLine(token) {
+            const tokenAfter = sourceCode.getTokenAfter(token);
+
+            return !(tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter));
+        }
+
+        /**
+         * Checks if the given token is the first token in its line
+         * @param {Token} token The token to check.
+         * @returns {boolean} Whether or not the token is the first in its line.
+         */
+        function isFirstTokenInCurrentLine(token) {
+            const tokenBefore = sourceCode.getTokenBefore(token);
+
+            return !(tokenBefore && astUtils.isTokenOnSameLine(token, tokenBefore));
+        }
+
+        /**
+         * Checks if the next token of a given token is a closing parenthesis.
+         * @param {Token} token The token to check.
+         * @returns {boolean} Whether or not the next token of a given token is a closing parenthesis.
+         */
+        function isBeforeClosingParen(token) {
+            const nextToken = sourceCode.getTokenAfter(token);
+
+            return (nextToken && astUtils.isClosingBraceToken(nextToken) || astUtils.isClosingParenToken(nextToken));
+        }
+
+        /**
+         * Reports if the given token has invalid spacing.
+         * @param {Token} token The semicolon token to check.
+         * @param {ASTNode} node The corresponding node of the token.
+         * @returns {void}
+         */
+        function checkSemicolonSpacing(token, node) {
+            if (astUtils.isSemicolonToken(token)) {
+                const location = token.loc.start;
+
+                if (hasLeadingSpace(token)) {
+                    if (!requireSpaceBefore) {
+                        context.report({
+                            node,
+                            loc: location,
+                            messageId: "unexpectedWhitespaceBefore",
+                            fix(fixer) {
+                                const tokenBefore = sourceCode.getTokenBefore(token);
+
+                                return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
+                            }
+                        });
+                    }
+                } else {
+                    if (requireSpaceBefore) {
+                        context.report({
+                            node,
+                            loc: location,
+                            messageId: "missingWhitespaceBefore",
+                            fix(fixer) {
+                                return fixer.insertTextBefore(token, " ");
+                            }
+                        });
+                    }
+                }
+
+                if (!isFirstTokenInCurrentLine(token) && !isLastTokenInCurrentLine(token) && !isBeforeClosingParen(token)) {
+                    if (hasTrailingSpace(token)) {
+                        if (!requireSpaceAfter) {
+                            context.report({
+                                node,
+                                loc: location,
+                                messageId: "unexpectedWhitespaceAfter",
+                                fix(fixer) {
+                                    const tokenAfter = sourceCode.getTokenAfter(token);
+
+                                    return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
+                                }
+                            });
+                        }
+                    } else {
+                        if (requireSpaceAfter) {
+                            context.report({
+                                node,
+                                loc: location,
+                                messageId: "missingWhitespaceAfter",
+                                fix(fixer) {
+                                    return fixer.insertTextAfter(token, " ");
+                                }
+                            });
+                        }
+                    }
+                }
+            }
+        }
+
+        /**
+         * Checks the spacing of the semicolon with the assumption that the last token is the semicolon.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkNode(node) {
+            const token = sourceCode.getLastToken(node);
+
+            checkSemicolonSpacing(token, node);
+        }
+
+        return {
+            VariableDeclaration: checkNode,
+            ExpressionStatement: checkNode,
+            BreakStatement: checkNode,
+            ContinueStatement: checkNode,
+            DebuggerStatement: checkNode,
+            ReturnStatement: checkNode,
+            ThrowStatement: checkNode,
+            ImportDeclaration: checkNode,
+            ExportNamedDeclaration: checkNode,
+            ExportAllDeclaration: checkNode,
+            ExportDefaultDeclaration: checkNode,
+            ForStatement(node) {
+                if (node.init) {
+                    checkSemicolonSpacing(sourceCode.getTokenAfter(node.init), node);
+                }
+
+                if (node.test) {
+                    checkSemicolonSpacing(sourceCode.getTokenAfter(node.test), node);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/semi-style.js b/eslint/lib/rules/semi-style.js
new file mode 100644
index 0000000..0c9bec4
--- /dev/null
+++ b/eslint/lib/rules/semi-style.js
@@ -0,0 +1,151 @@
+/**
+ * @fileoverview Rule to enforce location of semicolons.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const SELECTOR = `:matches(${
+    [
+        "BreakStatement", "ContinueStatement", "DebuggerStatement",
+        "DoWhileStatement", "ExportAllDeclaration",
+        "ExportDefaultDeclaration", "ExportNamedDeclaration",
+        "ExpressionStatement", "ImportDeclaration", "ReturnStatement",
+        "ThrowStatement", "VariableDeclaration"
+    ].join(",")
+})`;
+
+/**
+ * Get the child node list of a given node.
+ * This returns `Program#body`, `BlockStatement#body`, or `SwitchCase#consequent`.
+ * This is used to check whether a node is the first/last child.
+ * @param {Node} node A node to get child node list.
+ * @returns {Node[]|null} The child node list.
+ */
+function getChildren(node) {
+    const t = node.type;
+
+    if (t === "BlockStatement" || t === "Program") {
+        return node.body;
+    }
+    if (t === "SwitchCase") {
+        return node.consequent;
+    }
+    return null;
+}
+
+/**
+ * Check whether a given node is the last statement in the parent block.
+ * @param {Node} node A node to check.
+ * @returns {boolean} `true` if the node is the last statement in the parent block.
+ */
+function isLastChild(node) {
+    const t = node.parent.type;
+
+    if (t === "IfStatement" && node.parent.consequent === node && node.parent.alternate) { // before `else` keyword.
+        return true;
+    }
+    if (t === "DoWhileStatement") { // before `while` keyword.
+        return true;
+    }
+    const nodeList = getChildren(node.parent);
+
+    return nodeList !== null && nodeList[nodeList.length - 1] === node; // before `}` or etc.
+}
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce location of semicolons",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/semi-style"
+        },
+
+        schema: [{ enum: ["last", "first"] }],
+        fixable: "whitespace",
+
+        messages: {
+            expectedSemiColon: "Expected this semicolon to be at {{pos}}."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const option = context.options[0] || "last";
+
+        /**
+         * Check the given semicolon token.
+         * @param {Token} semiToken The semicolon token to check.
+         * @param {"first"|"last"} expected The expected location to check.
+         * @returns {void}
+         */
+        function check(semiToken, expected) {
+            const prevToken = sourceCode.getTokenBefore(semiToken);
+            const nextToken = sourceCode.getTokenAfter(semiToken);
+            const prevIsSameLine = !prevToken || astUtils.isTokenOnSameLine(prevToken, semiToken);
+            const nextIsSameLine = !nextToken || astUtils.isTokenOnSameLine(semiToken, nextToken);
+
+            if ((expected === "last" && !prevIsSameLine) || (expected === "first" && !nextIsSameLine)) {
+                context.report({
+                    loc: semiToken.loc,
+                    messageId: "expectedSemiColon",
+                    data: {
+                        pos: (expected === "last")
+                            ? "the end of the previous line"
+                            : "the beginning of the next line"
+                    },
+                    fix(fixer) {
+                        if (prevToken && nextToken && sourceCode.commentsExistBetween(prevToken, nextToken)) {
+                            return null;
+                        }
+
+                        const start = prevToken ? prevToken.range[1] : semiToken.range[0];
+                        const end = nextToken ? nextToken.range[0] : semiToken.range[1];
+                        const text = (expected === "last") ? ";\n" : "\n;";
+
+                        return fixer.replaceTextRange([start, end], text);
+                    }
+                });
+            }
+        }
+
+        return {
+            [SELECTOR](node) {
+                if (option === "first" && isLastChild(node)) {
+                    return;
+                }
+
+                const lastToken = sourceCode.getLastToken(node);
+
+                if (astUtils.isSemicolonToken(lastToken)) {
+                    check(lastToken, option);
+                }
+            },
+
+            ForStatement(node) {
+                const firstSemi = node.init && sourceCode.getTokenAfter(node.init, astUtils.isSemicolonToken);
+                const secondSemi = node.test && sourceCode.getTokenAfter(node.test, astUtils.isSemicolonToken);
+
+                if (firstSemi) {
+                    check(firstSemi, "last");
+                }
+                if (secondSemi) {
+                    check(secondSemi, "last");
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/semi.js b/eslint/lib/rules/semi.js
new file mode 100644
index 0000000..d2f0670
--- /dev/null
+++ b/eslint/lib/rules/semi.js
@@ -0,0 +1,336 @@
+/**
+ * @fileoverview Rule to flag missing semicolons.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const FixTracker = require("./utils/fix-tracker");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow semicolons instead of ASI",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/semi"
+        },
+
+        fixable: "code",
+
+        schema: {
+            anyOf: [
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["never"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                beforeStatementContinuationChars: {
+                                    enum: ["always", "any", "never"]
+                                }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                },
+                {
+                    type: "array",
+                    items: [
+                        {
+                            enum: ["always"]
+                        },
+                        {
+                            type: "object",
+                            properties: {
+                                omitLastInOneLineBlock: { type: "boolean" }
+                            },
+                            additionalProperties: false
+                        }
+                    ],
+                    minItems: 0,
+                    maxItems: 2
+                }
+            ]
+        },
+
+        messages: {
+            missingSemi: "Missing semicolon.",
+            extraSemi: "Extra semicolon."
+        }
+    },
+
+    create(context) {
+
+        const OPT_OUT_PATTERN = /^[-[(/+`]/u; // One of [(/+-`
+        const options = context.options[1];
+        const never = context.options[0] === "never";
+        const exceptOneLine = Boolean(options && options.omitLastInOneLineBlock);
+        const beforeStatementContinuationChars = options && options.beforeStatementContinuationChars || "any";
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Reports a semicolon error with appropriate location and message.
+         * @param {ASTNode} node The node with an extra or missing semicolon.
+         * @param {boolean} missing True if the semicolon is missing.
+         * @returns {void}
+         */
+        function report(node, missing) {
+            const lastToken = sourceCode.getLastToken(node);
+            let messageId,
+                fix,
+                loc;
+
+            if (!missing) {
+                messageId = "missingSemi";
+                loc = {
+                    start: lastToken.loc.end,
+                    end: astUtils.getNextLocation(sourceCode, lastToken.loc.end)
+                };
+                fix = function(fixer) {
+                    return fixer.insertTextAfter(lastToken, ";");
+                };
+            } else {
+                messageId = "extraSemi";
+                loc = lastToken.loc;
+                fix = function(fixer) {
+
+                    /*
+                     * Expand the replacement range to include the surrounding
+                     * tokens to avoid conflicting with no-extra-semi.
+                     * https://github.com/eslint/eslint/issues/7928
+                     */
+                    return new FixTracker(fixer, sourceCode)
+                        .retainSurroundingTokens(lastToken)
+                        .remove(lastToken);
+                };
+            }
+
+            context.report({
+                node,
+                loc,
+                messageId,
+                fix
+            });
+
+        }
+
+        /**
+         * Check whether a given semicolon token is redundant.
+         * @param {Token} semiToken A semicolon token to check.
+         * @returns {boolean} `true` if the next token is `;` or `}`.
+         */
+        function isRedundantSemi(semiToken) {
+            const nextToken = sourceCode.getTokenAfter(semiToken);
+
+            return (
+                !nextToken ||
+                astUtils.isClosingBraceToken(nextToken) ||
+                astUtils.isSemicolonToken(nextToken)
+            );
+        }
+
+        /**
+         * Check whether a given token is the closing brace of an arrow function.
+         * @param {Token} lastToken A token to check.
+         * @returns {boolean} `true` if the token is the closing brace of an arrow function.
+         */
+        function isEndOfArrowBlock(lastToken) {
+            if (!astUtils.isClosingBraceToken(lastToken)) {
+                return false;
+            }
+            const node = sourceCode.getNodeByRangeIndex(lastToken.range[0]);
+
+            return (
+                node.type === "BlockStatement" &&
+                node.parent.type === "ArrowFunctionExpression"
+            );
+        }
+
+        /**
+         * Check whether a given node is on the same line with the next token.
+         * @param {Node} node A statement node to check.
+         * @returns {boolean} `true` if the node is on the same line with the next token.
+         */
+        function isOnSameLineWithNextToken(node) {
+            const prevToken = sourceCode.getLastToken(node, 1);
+            const nextToken = sourceCode.getTokenAfter(node);
+
+            return !!nextToken && astUtils.isTokenOnSameLine(prevToken, nextToken);
+        }
+
+        /**
+         * Check whether a given node can connect the next line if the next line is unreliable.
+         * @param {Node} node A statement node to check.
+         * @returns {boolean} `true` if the node can connect the next line.
+         */
+        function maybeAsiHazardAfter(node) {
+            const t = node.type;
+
+            if (t === "DoWhileStatement" ||
+                t === "BreakStatement" ||
+                t === "ContinueStatement" ||
+                t === "DebuggerStatement" ||
+                t === "ImportDeclaration" ||
+                t === "ExportAllDeclaration"
+            ) {
+                return false;
+            }
+            if (t === "ReturnStatement") {
+                return Boolean(node.argument);
+            }
+            if (t === "ExportNamedDeclaration") {
+                return Boolean(node.declaration);
+            }
+            if (isEndOfArrowBlock(sourceCode.getLastToken(node, 1))) {
+                return false;
+            }
+
+            return true;
+        }
+
+        /**
+         * Check whether a given token can connect the previous statement.
+         * @param {Token} token A token to check.
+         * @returns {boolean} `true` if the token is one of `[`, `(`, `/`, `+`, `-`, ```, `++`, and `--`.
+         */
+        function maybeAsiHazardBefore(token) {
+            return (
+                Boolean(token) &&
+                OPT_OUT_PATTERN.test(token.value) &&
+                token.value !== "++" &&
+                token.value !== "--"
+            );
+        }
+
+        /**
+         * Check if the semicolon of a given node is unnecessary, only true if:
+         *   - next token is a valid statement divider (`;` or `}`).
+         *   - next token is on a new line and the node is not connectable to the new line.
+         * @param {Node} node A statement node to check.
+         * @returns {boolean} whether the semicolon is unnecessary.
+         */
+        function canRemoveSemicolon(node) {
+            if (isRedundantSemi(sourceCode.getLastToken(node))) {
+                return true; // `;;` or `;}`
+            }
+            if (isOnSameLineWithNextToken(node)) {
+                return false; // One liner.
+            }
+            if (beforeStatementContinuationChars === "never" && !maybeAsiHazardAfter(node)) {
+                return true; // ASI works. This statement doesn't connect to the next.
+            }
+            if (!maybeAsiHazardBefore(sourceCode.getTokenAfter(node))) {
+                return true; // ASI works. The next token doesn't connect to this statement.
+            }
+
+            return false;
+        }
+
+        /**
+         * Checks a node to see if it's in a one-liner block statement.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} whether the node is in a one-liner block statement.
+         */
+        function isOneLinerBlock(node) {
+            const parent = node.parent;
+            const nextToken = sourceCode.getTokenAfter(node);
+
+            if (!nextToken || nextToken.value !== "}") {
+                return false;
+            }
+            return (
+                !!parent &&
+                parent.type === "BlockStatement" &&
+                parent.loc.start.line === parent.loc.end.line
+            );
+        }
+
+        /**
+         * Checks a node to see if it's followed by a semicolon.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkForSemicolon(node) {
+            const isSemi = astUtils.isSemicolonToken(sourceCode.getLastToken(node));
+
+            if (never) {
+                if (isSemi && canRemoveSemicolon(node)) {
+                    report(node, true);
+                } else if (!isSemi && beforeStatementContinuationChars === "always" && maybeAsiHazardBefore(sourceCode.getTokenAfter(node))) {
+                    report(node);
+                }
+            } else {
+                const oneLinerBlock = (exceptOneLine && isOneLinerBlock(node));
+
+                if (isSemi && oneLinerBlock) {
+                    report(node, true);
+                } else if (!isSemi && !oneLinerBlock) {
+                    report(node);
+                }
+            }
+        }
+
+        /**
+         * Checks to see if there's a semicolon after a variable declaration.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkForSemicolonForVariableDeclaration(node) {
+            const parent = node.parent;
+
+            if ((parent.type !== "ForStatement" || parent.init !== node) &&
+                (!/^For(?:In|Of)Statement/u.test(parent.type) || parent.left !== node)
+            ) {
+                checkForSemicolon(node);
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            VariableDeclaration: checkForSemicolonForVariableDeclaration,
+            ExpressionStatement: checkForSemicolon,
+            ReturnStatement: checkForSemicolon,
+            ThrowStatement: checkForSemicolon,
+            DoWhileStatement: checkForSemicolon,
+            DebuggerStatement: checkForSemicolon,
+            BreakStatement: checkForSemicolon,
+            ContinueStatement: checkForSemicolon,
+            ImportDeclaration: checkForSemicolon,
+            ExportAllDeclaration: checkForSemicolon,
+            ExportNamedDeclaration(node) {
+                if (!node.declaration) {
+                    checkForSemicolon(node);
+                }
+            },
+            ExportDefaultDeclaration(node) {
+                if (!/(?:Class|Function)Declaration/u.test(node.declaration.type)) {
+                    checkForSemicolon(node);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/sort-imports.js b/eslint/lib/rules/sort-imports.js
new file mode 100644
index 0000000..65ad9a1
--- /dev/null
+++ b/eslint/lib/rules/sort-imports.js
@@ -0,0 +1,213 @@
+/**
+ * @fileoverview Rule to require sorting of import declarations
+ * @author Christian Schuller
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce sorted import declarations within modules",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/sort-imports"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    ignoreCase: {
+                        type: "boolean",
+                        default: false
+                    },
+                    memberSyntaxSortOrder: {
+                        type: "array",
+                        items: {
+                            enum: ["none", "all", "multiple", "single"]
+                        },
+                        uniqueItems: true,
+                        minItems: 4,
+                        maxItems: 4
+                    },
+                    ignoreDeclarationSort: {
+                        type: "boolean",
+                        default: false
+                    },
+                    ignoreMemberSort: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            sortImportsAlphabetically: "Imports should be sorted alphabetically.",
+            sortMembersAlphabetically: "Member '{{memberName}}' of the import declaration should be sorted alphabetically.",
+            unexpectedSyntaxOrder: "Expected '{{syntaxA}}' syntax before '{{syntaxB}}' syntax."
+        }
+    },
+
+    create(context) {
+
+        const configuration = context.options[0] || {},
+            ignoreCase = configuration.ignoreCase || false,
+            ignoreDeclarationSort = configuration.ignoreDeclarationSort || false,
+            ignoreMemberSort = configuration.ignoreMemberSort || false,
+            memberSyntaxSortOrder = configuration.memberSyntaxSortOrder || ["none", "all", "multiple", "single"],
+            sourceCode = context.getSourceCode();
+        let previousDeclaration = null;
+
+        /**
+         * Gets the used member syntax style.
+         *
+         * import "my-module.js" --> none
+         * import * as myModule from "my-module.js" --> all
+         * import {myMember} from "my-module.js" --> single
+         * import {foo, bar} from  "my-module.js" --> multiple
+         * @param {ASTNode} node the ImportDeclaration node.
+         * @returns {string} used member parameter style, ["all", "multiple", "single"]
+         */
+        function usedMemberSyntax(node) {
+            if (node.specifiers.length === 0) {
+                return "none";
+            }
+            if (node.specifiers[0].type === "ImportNamespaceSpecifier") {
+                return "all";
+            }
+            if (node.specifiers.length === 1) {
+                return "single";
+            }
+            return "multiple";
+
+        }
+
+        /**
+         * Gets the group by member parameter index for given declaration.
+         * @param {ASTNode} node the ImportDeclaration node.
+         * @returns {number} the declaration group by member index.
+         */
+        function getMemberParameterGroupIndex(node) {
+            return memberSyntaxSortOrder.indexOf(usedMemberSyntax(node));
+        }
+
+        /**
+         * Gets the local name of the first imported module.
+         * @param {ASTNode} node the ImportDeclaration node.
+         * @returns {?string} the local name of the first imported module.
+         */
+        function getFirstLocalMemberName(node) {
+            if (node.specifiers[0]) {
+                return node.specifiers[0].local.name;
+            }
+            return null;
+
+        }
+
+        return {
+            ImportDeclaration(node) {
+                if (!ignoreDeclarationSort) {
+                    if (previousDeclaration) {
+                        const currentMemberSyntaxGroupIndex = getMemberParameterGroupIndex(node),
+                            previousMemberSyntaxGroupIndex = getMemberParameterGroupIndex(previousDeclaration);
+                        let currentLocalMemberName = getFirstLocalMemberName(node),
+                            previousLocalMemberName = getFirstLocalMemberName(previousDeclaration);
+
+                        if (ignoreCase) {
+                            previousLocalMemberName = previousLocalMemberName && previousLocalMemberName.toLowerCase();
+                            currentLocalMemberName = currentLocalMemberName && currentLocalMemberName.toLowerCase();
+                        }
+
+                        /*
+                         * When the current declaration uses a different member syntax,
+                         * then check if the ordering is correct.
+                         * Otherwise, make a default string compare (like rule sort-vars to be consistent) of the first used local member name.
+                         */
+                        if (currentMemberSyntaxGroupIndex !== previousMemberSyntaxGroupIndex) {
+                            if (currentMemberSyntaxGroupIndex < previousMemberSyntaxGroupIndex) {
+                                context.report({
+                                    node,
+                                    messageId: "unexpectedSyntaxOrder",
+                                    data: {
+                                        syntaxA: memberSyntaxSortOrder[currentMemberSyntaxGroupIndex],
+                                        syntaxB: memberSyntaxSortOrder[previousMemberSyntaxGroupIndex]
+                                    }
+                                });
+                            }
+                        } else {
+                            if (previousLocalMemberName &&
+                                currentLocalMemberName &&
+                                currentLocalMemberName < previousLocalMemberName
+                            ) {
+                                context.report({
+                                    node,
+                                    messageId: "sortImportsAlphabetically"
+                                });
+                            }
+                        }
+                    }
+
+                    previousDeclaration = node;
+                }
+
+                if (!ignoreMemberSort) {
+                    const importSpecifiers = node.specifiers.filter(specifier => specifier.type === "ImportSpecifier");
+                    const getSortableName = ignoreCase ? specifier => specifier.local.name.toLowerCase() : specifier => specifier.local.name;
+                    const firstUnsortedIndex = importSpecifiers.map(getSortableName).findIndex((name, index, array) => array[index - 1] > name);
+
+                    if (firstUnsortedIndex !== -1) {
+                        context.report({
+                            node: importSpecifiers[firstUnsortedIndex],
+                            messageId: "sortMembersAlphabetically",
+                            data: { memberName: importSpecifiers[firstUnsortedIndex].local.name },
+                            fix(fixer) {
+                                if (importSpecifiers.some(specifier =>
+                                    sourceCode.getCommentsBefore(specifier).length || sourceCode.getCommentsAfter(specifier).length)) {
+
+                                    // If there are comments in the ImportSpecifier list, don't rearrange the specifiers.
+                                    return null;
+                                }
+
+                                return fixer.replaceTextRange(
+                                    [importSpecifiers[0].range[0], importSpecifiers[importSpecifiers.length - 1].range[1]],
+                                    importSpecifiers
+
+                                        // Clone the importSpecifiers array to avoid mutating it
+                                        .slice()
+
+                                        // Sort the array into the desired order
+                                        .sort((specifierA, specifierB) => {
+                                            const aName = getSortableName(specifierA);
+                                            const bName = getSortableName(specifierB);
+
+                                            return aName > bName ? 1 : -1;
+                                        })
+
+                                        // Build a string out of the sorted list of import specifiers and the text between the originals
+                                        .reduce((sourceText, specifier, index) => {
+                                            const textAfterSpecifier = index === importSpecifiers.length - 1
+                                                ? ""
+                                                : sourceCode.getText().slice(importSpecifiers[index].range[1], importSpecifiers[index + 1].range[0]);
+
+                                            return sourceText + sourceCode.getText(specifier) + textAfterSpecifier;
+                                        }, "")
+                                );
+                            }
+                        });
+                    }
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/sort-keys.js b/eslint/lib/rules/sort-keys.js
new file mode 100644
index 0000000..8a95ee2
--- /dev/null
+++ b/eslint/lib/rules/sort-keys.js
@@ -0,0 +1,187 @@
+/**
+ * @fileoverview Rule to require object keys to be sorted
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils"),
+    naturalCompare = require("natural-compare");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the property name of the given `Property` node.
+ *
+ * - If the property's key is an `Identifier` node, this returns the key's name
+ *   whether it's a computed property or not.
+ * - If the property has a static name, this returns the static name.
+ * - Otherwise, this returns null.
+ * @param {ASTNode} node The `Property` node to get.
+ * @returns {string|null} The property name or null.
+ * @private
+ */
+function getPropertyName(node) {
+    const staticName = astUtils.getStaticPropertyName(node);
+
+    if (staticName !== null) {
+        return staticName;
+    }
+
+    return node.key.name || null;
+}
+
+/**
+ * Functions which check that the given 2 names are in specific order.
+ *
+ * Postfix `I` is meant insensitive.
+ * Postfix `N` is meant natural.
+ * @private
+ */
+const isValidOrders = {
+    asc(a, b) {
+        return a <= b;
+    },
+    ascI(a, b) {
+        return a.toLowerCase() <= b.toLowerCase();
+    },
+    ascN(a, b) {
+        return naturalCompare(a, b) <= 0;
+    },
+    ascIN(a, b) {
+        return naturalCompare(a.toLowerCase(), b.toLowerCase()) <= 0;
+    },
+    desc(a, b) {
+        return isValidOrders.asc(b, a);
+    },
+    descI(a, b) {
+        return isValidOrders.ascI(b, a);
+    },
+    descN(a, b) {
+        return isValidOrders.ascN(b, a);
+    },
+    descIN(a, b) {
+        return isValidOrders.ascIN(b, a);
+    }
+};
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require object keys to be sorted",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/sort-keys"
+        },
+
+        schema: [
+            {
+                enum: ["asc", "desc"]
+            },
+            {
+                type: "object",
+                properties: {
+                    caseSensitive: {
+                        type: "boolean",
+                        default: true
+                    },
+                    natural: {
+                        type: "boolean",
+                        default: false
+                    },
+                    minKeys: {
+                        type: "integer",
+                        minimum: 2,
+                        default: 2
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            sortKeys: "Expected object keys to be in {{natural}}{{insensitive}}{{order}}ending order. '{{thisName}}' should be before '{{prevName}}'."
+        }
+    },
+
+    create(context) {
+
+        // Parse options.
+        const order = context.options[0] || "asc";
+        const options = context.options[1];
+        const insensitive = options && options.caseSensitive === false;
+        const natural = options && options.natural;
+        const minKeys = options && options.minKeys;
+        const isValidOrder = isValidOrders[
+            order + (insensitive ? "I" : "") + (natural ? "N" : "")
+        ];
+
+        // The stack to save the previous property's name for each object literals.
+        let stack = null;
+
+        return {
+            ObjectExpression(node) {
+                stack = {
+                    upper: stack,
+                    prevName: null,
+                    numKeys: node.properties.length
+                };
+            },
+
+            "ObjectExpression:exit"() {
+                stack = stack.upper;
+            },
+
+            SpreadElement(node) {
+                if (node.parent.type === "ObjectExpression") {
+                    stack.prevName = null;
+                }
+            },
+
+            Property(node) {
+                if (node.parent.type === "ObjectPattern") {
+                    return;
+                }
+
+                const prevName = stack.prevName;
+                const numKeys = stack.numKeys;
+                const thisName = getPropertyName(node);
+
+                if (thisName !== null) {
+                    stack.prevName = thisName;
+                }
+
+                if (prevName === null || thisName === null || numKeys < minKeys) {
+                    return;
+                }
+
+                if (!isValidOrder(prevName, thisName)) {
+                    context.report({
+                        node,
+                        loc: node.key.loc,
+                        messageId: "sortKeys",
+                        data: {
+                            thisName,
+                            prevName,
+                            order,
+                            insensitive: insensitive ? "insensitive " : "",
+                            natural: natural ? "natural " : ""
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/sort-vars.js b/eslint/lib/rules/sort-vars.js
new file mode 100644
index 0000000..7add2cf
--- /dev/null
+++ b/eslint/lib/rules/sort-vars.js
@@ -0,0 +1,104 @@
+/**
+ * @fileoverview Rule to require sorting of variables within a single Variable Declaration block
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require variables within the same declaration block to be sorted",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/sort-vars"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    ignoreCase: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+
+        messages: {
+            sortVars: "Variables within the same declaration block should be sorted alphabetically."
+        }
+    },
+
+    create(context) {
+
+        const configuration = context.options[0] || {},
+            ignoreCase = configuration.ignoreCase || false,
+            sourceCode = context.getSourceCode();
+
+        return {
+            VariableDeclaration(node) {
+                const idDeclarations = node.declarations.filter(decl => decl.id.type === "Identifier");
+                const getSortableName = ignoreCase ? decl => decl.id.name.toLowerCase() : decl => decl.id.name;
+                const unfixable = idDeclarations.some(decl => decl.init !== null && decl.init.type !== "Literal");
+                let fixed = false;
+
+                idDeclarations.slice(1).reduce((memo, decl) => {
+                    const lastVariableName = getSortableName(memo),
+                        currentVariableName = getSortableName(decl);
+
+                    if (currentVariableName < lastVariableName) {
+                        context.report({
+                            node: decl,
+                            messageId: "sortVars",
+                            fix(fixer) {
+                                if (unfixable || fixed) {
+                                    return null;
+                                }
+                                return fixer.replaceTextRange(
+                                    [idDeclarations[0].range[0], idDeclarations[idDeclarations.length - 1].range[1]],
+                                    idDeclarations
+
+                                        // Clone the idDeclarations array to avoid mutating it
+                                        .slice()
+
+                                        // Sort the array into the desired order
+                                        .sort((declA, declB) => {
+                                            const aName = getSortableName(declA);
+                                            const bName = getSortableName(declB);
+
+                                            return aName > bName ? 1 : -1;
+                                        })
+
+                                        // Build a string out of the sorted list of identifier declarations and the text between the originals
+                                        .reduce((sourceText, identifier, index) => {
+                                            const textAfterIdentifier = index === idDeclarations.length - 1
+                                                ? ""
+                                                : sourceCode.getText().slice(idDeclarations[index].range[1], idDeclarations[index + 1].range[0]);
+
+                                            return sourceText + sourceCode.getText(identifier) + textAfterIdentifier;
+                                        }, "")
+
+                                );
+                            }
+                        });
+                        fixed = true;
+                        return memo;
+                    }
+                    return decl;
+
+                }, idDeclarations[0]);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/space-before-blocks.js b/eslint/lib/rules/space-before-blocks.js
new file mode 100644
index 0000000..9b56481
--- /dev/null
+++ b/eslint/lib/rules/space-before-blocks.js
@@ -0,0 +1,164 @@
+/**
+ * @fileoverview A rule to ensure whitespace before blocks.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before blocks",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/space-before-blocks"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            keywords: {
+                                enum: ["always", "never", "off"]
+                            },
+                            functions: {
+                                enum: ["always", "never", "off"]
+                            },
+                            classes: {
+                                enum: ["always", "never", "off"]
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unexpectedSpace: "Unexpected space before opening brace.",
+            missingSpace: "Missing space before opening brace."
+        }
+    },
+
+    create(context) {
+        const config = context.options[0],
+            sourceCode = context.getSourceCode();
+        let alwaysFunctions = true,
+            alwaysKeywords = true,
+            alwaysClasses = true,
+            neverFunctions = false,
+            neverKeywords = false,
+            neverClasses = false;
+
+        if (typeof config === "object") {
+            alwaysFunctions = config.functions === "always";
+            alwaysKeywords = config.keywords === "always";
+            alwaysClasses = config.classes === "always";
+            neverFunctions = config.functions === "never";
+            neverKeywords = config.keywords === "never";
+            neverClasses = config.classes === "never";
+        } else if (config === "never") {
+            alwaysFunctions = false;
+            alwaysKeywords = false;
+            alwaysClasses = false;
+            neverFunctions = true;
+            neverKeywords = true;
+            neverClasses = true;
+        }
+
+        /**
+         * Checks whether or not a given token is an arrow operator (=>) or a keyword
+         * in order to avoid to conflict with `arrow-spacing` and `keyword-spacing`.
+         * @param {Token} token A token to check.
+         * @returns {boolean} `true` if the token is an arrow operator.
+         */
+        function isConflicted(token) {
+            return (token.type === "Punctuator" && token.value === "=>") || token.type === "Keyword";
+        }
+
+        /**
+         * Checks the given BlockStatement node has a preceding space if it doesn’t start on a new line.
+         * @param {ASTNode|Token} node The AST node of a BlockStatement.
+         * @returns {void} undefined.
+         */
+        function checkPrecedingSpace(node) {
+            const precedingToken = sourceCode.getTokenBefore(node);
+
+            if (precedingToken && !isConflicted(precedingToken) && astUtils.isTokenOnSameLine(precedingToken, node)) {
+                const hasSpace = sourceCode.isSpaceBetweenTokens(precedingToken, node);
+                const parent = context.getAncestors().pop();
+                let requireSpace;
+                let requireNoSpace;
+
+                if (parent.type === "FunctionExpression" || parent.type === "FunctionDeclaration") {
+                    requireSpace = alwaysFunctions;
+                    requireNoSpace = neverFunctions;
+                } else if (node.type === "ClassBody") {
+                    requireSpace = alwaysClasses;
+                    requireNoSpace = neverClasses;
+                } else {
+                    requireSpace = alwaysKeywords;
+                    requireNoSpace = neverKeywords;
+                }
+
+                if (requireSpace && !hasSpace) {
+                    context.report({
+                        node,
+                        messageId: "missingSpace",
+                        fix(fixer) {
+                            return fixer.insertTextBefore(node, " ");
+                        }
+                    });
+                } else if (requireNoSpace && hasSpace) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedSpace",
+                        fix(fixer) {
+                            return fixer.removeRange([precedingToken.range[1], node.range[0]]);
+                        }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Checks if the CaseBlock of an given SwitchStatement node has a preceding space.
+         * @param {ASTNode} node The node of a SwitchStatement.
+         * @returns {void} undefined.
+         */
+        function checkSpaceBeforeCaseBlock(node) {
+            const cases = node.cases;
+            let openingBrace;
+
+            if (cases.length > 0) {
+                openingBrace = sourceCode.getTokenBefore(cases[0]);
+            } else {
+                openingBrace = sourceCode.getLastToken(node, 1);
+            }
+
+            checkPrecedingSpace(openingBrace);
+        }
+
+        return {
+            BlockStatement: checkPrecedingSpace,
+            ClassBody: checkPrecedingSpace,
+            SwitchStatement: checkSpaceBeforeCaseBlock
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/space-before-function-paren.js b/eslint/lib/rules/space-before-function-paren.js
new file mode 100644
index 0000000..af609c2
--- /dev/null
+++ b/eslint/lib/rules/space-before-function-paren.js
@@ -0,0 +1,161 @@
+/**
+ * @fileoverview Rule to validate spacing before function paren.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before `function` definition opening parenthesis",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/space-before-function-paren"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["always", "never"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            anonymous: {
+                                enum: ["always", "never", "ignore"]
+                            },
+                            named: {
+                                enum: ["always", "never", "ignore"]
+                            },
+                            asyncArrow: {
+                                enum: ["always", "never", "ignore"]
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+
+        messages: {
+            unexpectedSpace: "Unexpected space before function parentheses.",
+            missingSpace: "Missing space before function parentheses."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const baseConfig = typeof context.options[0] === "string" ? context.options[0] : "always";
+        const overrideConfig = typeof context.options[0] === "object" ? context.options[0] : {};
+
+        /**
+         * Determines whether a function has a name.
+         * @param {ASTNode} node The function node.
+         * @returns {boolean} Whether the function has a name.
+         */
+        function isNamedFunction(node) {
+            if (node.id) {
+                return true;
+            }
+
+            const parent = node.parent;
+
+            return parent.type === "MethodDefinition" ||
+                (parent.type === "Property" &&
+                    (
+                        parent.kind === "get" ||
+                        parent.kind === "set" ||
+                        parent.method
+                    )
+                );
+        }
+
+        /**
+         * Gets the config for a given function
+         * @param {ASTNode} node The function node
+         * @returns {string} "always", "never", or "ignore"
+         */
+        function getConfigForFunction(node) {
+            if (node.type === "ArrowFunctionExpression") {
+
+                // Always ignore non-async functions and arrow functions without parens, e.g. async foo => bar
+                if (node.async && astUtils.isOpeningParenToken(sourceCode.getFirstToken(node, { skip: 1 }))) {
+                    return overrideConfig.asyncArrow || baseConfig;
+                }
+            } else if (isNamedFunction(node)) {
+                return overrideConfig.named || baseConfig;
+
+            // `generator-star-spacing` should warn anonymous generators. E.g. `function* () {}`
+            } else if (!node.generator) {
+                return overrideConfig.anonymous || baseConfig;
+            }
+
+            return "ignore";
+        }
+
+        /**
+         * Checks the parens of a function node
+         * @param {ASTNode} node A function node
+         * @returns {void}
+         */
+        function checkFunction(node) {
+            const functionConfig = getConfigForFunction(node);
+
+            if (functionConfig === "ignore") {
+                return;
+            }
+
+            const rightToken = sourceCode.getFirstToken(node, astUtils.isOpeningParenToken);
+            const leftToken = sourceCode.getTokenBefore(rightToken);
+            const hasSpacing = sourceCode.isSpaceBetweenTokens(leftToken, rightToken);
+
+            if (hasSpacing && functionConfig === "never") {
+                context.report({
+                    node,
+                    loc: leftToken.loc.end,
+                    messageId: "unexpectedSpace",
+                    fix(fixer) {
+                        const comments = sourceCode.getCommentsBefore(rightToken);
+
+                        // Don't fix anything if there's a single line comment between the left and the right token
+                        if (comments.some(comment => comment.type === "Line")) {
+                            return null;
+                        }
+                        return fixer.replaceTextRange(
+                            [leftToken.range[1], rightToken.range[0]],
+                            comments.reduce((text, comment) => text + sourceCode.getText(comment), "")
+                        );
+                    }
+                });
+            } else if (!hasSpacing && functionConfig === "always") {
+                context.report({
+                    node,
+                    loc: leftToken.loc.end,
+                    messageId: "missingSpace",
+                    fix: fixer => fixer.insertTextAfter(leftToken, " ")
+                });
+            }
+        }
+
+        return {
+            ArrowFunctionExpression: checkFunction,
+            FunctionDeclaration: checkFunction,
+            FunctionExpression: checkFunction
+        };
+    }
+};
diff --git a/eslint/lib/rules/space-in-parens.js b/eslint/lib/rules/space-in-parens.js
new file mode 100644
index 0000000..b0a604d
--- /dev/null
+++ b/eslint/lib/rules/space-in-parens.js
@@ -0,0 +1,282 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of parentheses.
+ * @author Jonathan Rajavuori
+ */
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing inside parentheses",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/space-in-parens"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: {
+                            enum: ["{}", "[]", "()", "empty"]
+                        },
+                        uniqueItems: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            missingOpeningSpace: "There must be a space after this paren.",
+            missingClosingSpace: "There must be a space before this paren.",
+            rejectedOpeningSpace: "There should be no space after this paren.",
+            rejectedClosingSpace: "There should be no space before this paren."
+        }
+    },
+
+    create(context) {
+        const ALWAYS = context.options[0] === "always",
+            exceptionsArrayOptions = (context.options[1] && context.options[1].exceptions) || [],
+            options = {};
+
+        let exceptions;
+
+        if (exceptionsArrayOptions.length) {
+            options.braceException = exceptionsArrayOptions.includes("{}");
+            options.bracketException = exceptionsArrayOptions.includes("[]");
+            options.parenException = exceptionsArrayOptions.includes("()");
+            options.empty = exceptionsArrayOptions.includes("empty");
+        }
+
+        /**
+         * Produces an object with the opener and closer exception values
+         * @returns {Object} `openers` and `closers` exception values
+         * @private
+         */
+        function getExceptions() {
+            const openers = [],
+                closers = [];
+
+            if (options.braceException) {
+                openers.push("{");
+                closers.push("}");
+            }
+
+            if (options.bracketException) {
+                openers.push("[");
+                closers.push("]");
+            }
+
+            if (options.parenException) {
+                openers.push("(");
+                closers.push(")");
+            }
+
+            if (options.empty) {
+                openers.push(")");
+                closers.push("(");
+            }
+
+            return {
+                openers,
+                closers
+            };
+        }
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Determines if a token is one of the exceptions for the opener paren
+         * @param {Object} token The token to check
+         * @returns {boolean} True if the token is one of the exceptions for the opener paren
+         */
+        function isOpenerException(token) {
+            return exceptions.openers.includes(token.value);
+        }
+
+        /**
+         * Determines if a token is one of the exceptions for the closer paren
+         * @param {Object} token The token to check
+         * @returns {boolean} True if the token is one of the exceptions for the closer paren
+         */
+        function isCloserException(token) {
+            return exceptions.closers.includes(token.value);
+        }
+
+        /**
+         * Determines if an opening paren is immediately followed by a required space
+         * @param {Object} openingParenToken The paren token
+         * @param {Object} tokenAfterOpeningParen The token after it
+         * @returns {boolean} True if the opening paren is missing a required space
+         */
+        function openerMissingSpace(openingParenToken, tokenAfterOpeningParen) {
+            if (sourceCode.isSpaceBetweenTokens(openingParenToken, tokenAfterOpeningParen)) {
+                return false;
+            }
+
+            if (!options.empty && astUtils.isClosingParenToken(tokenAfterOpeningParen)) {
+                return false;
+            }
+
+            if (ALWAYS) {
+                return !isOpenerException(tokenAfterOpeningParen);
+            }
+            return isOpenerException(tokenAfterOpeningParen);
+        }
+
+        /**
+         * Determines if an opening paren is immediately followed by a disallowed space
+         * @param {Object} openingParenToken The paren token
+         * @param {Object} tokenAfterOpeningParen The token after it
+         * @returns {boolean} True if the opening paren has a disallowed space
+         */
+        function openerRejectsSpace(openingParenToken, tokenAfterOpeningParen) {
+            if (!astUtils.isTokenOnSameLine(openingParenToken, tokenAfterOpeningParen)) {
+                return false;
+            }
+
+            if (tokenAfterOpeningParen.type === "Line") {
+                return false;
+            }
+
+            if (!sourceCode.isSpaceBetweenTokens(openingParenToken, tokenAfterOpeningParen)) {
+                return false;
+            }
+
+            if (ALWAYS) {
+                return isOpenerException(tokenAfterOpeningParen);
+            }
+            return !isOpenerException(tokenAfterOpeningParen);
+        }
+
+        /**
+         * Determines if a closing paren is immediately preceded by a required space
+         * @param {Object} tokenBeforeClosingParen The token before the paren
+         * @param {Object} closingParenToken The paren token
+         * @returns {boolean} True if the closing paren is missing a required space
+         */
+        function closerMissingSpace(tokenBeforeClosingParen, closingParenToken) {
+            if (sourceCode.isSpaceBetweenTokens(tokenBeforeClosingParen, closingParenToken)) {
+                return false;
+            }
+
+            if (!options.empty && astUtils.isOpeningParenToken(tokenBeforeClosingParen)) {
+                return false;
+            }
+
+            if (ALWAYS) {
+                return !isCloserException(tokenBeforeClosingParen);
+            }
+            return isCloserException(tokenBeforeClosingParen);
+        }
+
+        /**
+         * Determines if a closer paren is immediately preceded by a disallowed space
+         * @param {Object} tokenBeforeClosingParen The token before the paren
+         * @param {Object} closingParenToken The paren token
+         * @returns {boolean} True if the closing paren has a disallowed space
+         */
+        function closerRejectsSpace(tokenBeforeClosingParen, closingParenToken) {
+            if (!astUtils.isTokenOnSameLine(tokenBeforeClosingParen, closingParenToken)) {
+                return false;
+            }
+
+            if (!sourceCode.isSpaceBetweenTokens(tokenBeforeClosingParen, closingParenToken)) {
+                return false;
+            }
+
+            if (ALWAYS) {
+                return isCloserException(tokenBeforeClosingParen);
+            }
+            return !isCloserException(tokenBeforeClosingParen);
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            Program: function checkParenSpaces(node) {
+                exceptions = getExceptions();
+                const tokens = sourceCode.tokensAndComments;
+
+                tokens.forEach((token, i) => {
+                    const prevToken = tokens[i - 1];
+                    const nextToken = tokens[i + 1];
+
+                    // if token is not an opening or closing paren token, do nothing
+                    if (!astUtils.isOpeningParenToken(token) && !astUtils.isClosingParenToken(token)) {
+                        return;
+                    }
+
+                    // if token is an opening paren and is not followed by a required space
+                    if (token.value === "(" && openerMissingSpace(token, nextToken)) {
+                        context.report({
+                            node,
+                            loc: token.loc,
+                            messageId: "missingOpeningSpace",
+                            fix(fixer) {
+                                return fixer.insertTextAfter(token, " ");
+                            }
+                        });
+                    }
+
+                    // if token is an opening paren and is followed by a disallowed space
+                    if (token.value === "(" && openerRejectsSpace(token, nextToken)) {
+                        context.report({
+                            node,
+                            loc: { start: token.loc.end, end: nextToken.loc.start },
+                            messageId: "rejectedOpeningSpace",
+                            fix(fixer) {
+                                return fixer.removeRange([token.range[1], nextToken.range[0]]);
+                            }
+                        });
+                    }
+
+                    // if token is a closing paren and is not preceded by a required space
+                    if (token.value === ")" && closerMissingSpace(prevToken, token)) {
+                        context.report({
+                            node,
+                            loc: token.loc,
+                            messageId: "missingClosingSpace",
+                            fix(fixer) {
+                                return fixer.insertTextBefore(token, " ");
+                            }
+                        });
+                    }
+
+                    // if token is a closing paren and is preceded by a disallowed space
+                    if (token.value === ")" && closerRejectsSpace(prevToken, token)) {
+                        context.report({
+                            node,
+                            loc: { start: prevToken.loc.end, end: token.loc.start },
+                            messageId: "rejectedClosingSpace",
+                            fix(fixer) {
+                                return fixer.removeRange([prevToken.range[1], token.range[0]]);
+                            }
+                        });
+                    }
+                });
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/space-infix-ops.js b/eslint/lib/rules/space-infix-ops.js
new file mode 100644
index 0000000..471c222
--- /dev/null
+++ b/eslint/lib/rules/space-infix-ops.js
@@ -0,0 +1,169 @@
+/**
+ * @fileoverview Require spaces around infix operators
+ * @author Michael Ficarra
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require spacing around infix operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/space-infix-ops"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    int32Hint: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            missingSpace: "Operator '{{operator}}' must be spaced."
+        }
+    },
+
+    create(context) {
+        const int32Hint = context.options[0] ? context.options[0].int32Hint === true : false;
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Returns the first token which violates the rule
+         * @param {ASTNode} left The left node of the main node
+         * @param {ASTNode} right The right node of the main node
+         * @param {string} op The operator of the main node
+         * @returns {Object} The violator token or null
+         * @private
+         */
+        function getFirstNonSpacedToken(left, right, op) {
+            const operator = sourceCode.getFirstTokenBetween(left, right, token => token.value === op);
+            const prev = sourceCode.getTokenBefore(operator);
+            const next = sourceCode.getTokenAfter(operator);
+
+            if (!sourceCode.isSpaceBetweenTokens(prev, operator) || !sourceCode.isSpaceBetweenTokens(operator, next)) {
+                return operator;
+            }
+
+            return null;
+        }
+
+        /**
+         * Reports an AST node as a rule violation
+         * @param {ASTNode} mainNode The node to report
+         * @param {Object} culpritToken The token which has a problem
+         * @returns {void}
+         * @private
+         */
+        function report(mainNode, culpritToken) {
+            context.report({
+                node: mainNode,
+                loc: culpritToken.loc,
+                messageId: "missingSpace",
+                data: {
+                    operator: culpritToken.value
+                },
+                fix(fixer) {
+                    const previousToken = sourceCode.getTokenBefore(culpritToken);
+                    const afterToken = sourceCode.getTokenAfter(culpritToken);
+                    let fixString = "";
+
+                    if (culpritToken.range[0] - previousToken.range[1] === 0) {
+                        fixString = " ";
+                    }
+
+                    fixString += culpritToken.value;
+
+                    if (afterToken.range[0] - culpritToken.range[1] === 0) {
+                        fixString += " ";
+                    }
+
+                    return fixer.replaceText(culpritToken, fixString);
+                }
+            });
+        }
+
+        /**
+         * Check if the node is binary then report
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkBinary(node) {
+            const leftNode = (node.left.typeAnnotation) ? node.left.typeAnnotation : node.left;
+            const rightNode = node.right;
+
+            // search for = in AssignmentPattern nodes
+            const operator = node.operator || "=";
+
+            const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, operator);
+
+            if (nonSpacedNode) {
+                if (!(int32Hint && sourceCode.getText(node).endsWith("|0"))) {
+                    report(node, nonSpacedNode);
+                }
+            }
+        }
+
+        /**
+         * Check if the node is conditional
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkConditional(node) {
+            const nonSpacedConsequentNode = getFirstNonSpacedToken(node.test, node.consequent, "?");
+            const nonSpacedAlternateNode = getFirstNonSpacedToken(node.consequent, node.alternate, ":");
+
+            if (nonSpacedConsequentNode) {
+                report(node, nonSpacedConsequentNode);
+            } else if (nonSpacedAlternateNode) {
+                report(node, nonSpacedAlternateNode);
+            }
+        }
+
+        /**
+         * Check if the node is a variable
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkVar(node) {
+            const leftNode = (node.id.typeAnnotation) ? node.id.typeAnnotation : node.id;
+            const rightNode = node.init;
+
+            if (rightNode) {
+                const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, "=");
+
+                if (nonSpacedNode) {
+                    report(node, nonSpacedNode);
+                }
+            }
+        }
+
+        return {
+            AssignmentExpression: checkBinary,
+            AssignmentPattern: checkBinary,
+            BinaryExpression: checkBinary,
+            LogicalExpression: checkBinary,
+            ConditionalExpression: checkConditional,
+            VariableDeclarator: checkVar
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/space-unary-ops.js b/eslint/lib/rules/space-unary-ops.js
new file mode 100644
index 0000000..f417eea
--- /dev/null
+++ b/eslint/lib/rules/space-unary-ops.js
@@ -0,0 +1,321 @@
+/**
+ * @fileoverview This rule shoud require or disallow spaces before or after unary operations.
+ * @author Marcin Kumorek
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce consistent spacing before or after unary operators",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/space-unary-ops"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    words: {
+                        type: "boolean",
+                        default: true
+                    },
+                    nonwords: {
+                        type: "boolean",
+                        default: false
+                    },
+                    overrides: {
+                        type: "object",
+                        additionalProperties: {
+                            type: "boolean"
+                        }
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            unexpectedBefore: "Unexpected space before unary operator '{{operator}}'.",
+            unexpectedAfter: "Unexpected space after unary operator '{{operator}}'.",
+            unexpectedAfterWord: "Unexpected space after unary word operator '{{word}}'.",
+            wordOperator: "Unary word operator '{{word}}' must be followed by whitespace.",
+            operator: "Unary operator '{{operator}}' must be followed by whitespace.",
+            beforeUnaryExpressions: "Space is required before unary expressions '{{token}}'."
+        }
+    },
+
+    create(context) {
+        const options = context.options[0] || { words: true, nonwords: false };
+
+        const sourceCode = context.getSourceCode();
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        /**
+         * Check if the node is the first "!" in a "!!" convert to Boolean expression
+         * @param {ASTnode} node AST node
+         * @returns {boolean} Whether or not the node is first "!" in "!!"
+         */
+        function isFirstBangInBangBangExpression(node) {
+            return node && node.type === "UnaryExpression" && node.argument.operator === "!" &&
+                node.argument && node.argument.type === "UnaryExpression" && node.argument.operator === "!";
+        }
+
+        /**
+         * Checks if an override exists for a given operator.
+         * @param {string} operator Operator
+         * @returns {boolean} Whether or not an override has been provided for the operator
+         */
+        function overrideExistsForOperator(operator) {
+            return options.overrides && Object.prototype.hasOwnProperty.call(options.overrides, operator);
+        }
+
+        /**
+         * Gets the value that the override was set to for this operator
+         * @param {string} operator Operator
+         * @returns {boolean} Whether or not an override enforces a space with this operator
+         */
+        function overrideEnforcesSpaces(operator) {
+            return options.overrides[operator];
+        }
+
+        /**
+         * Verify Unary Word Operator has spaces after the word operator
+         * @param {ASTnode} node AST node
+         * @param {Object} firstToken first token from the AST node
+         * @param {Object} secondToken second token from the AST node
+         * @param {string} word The word to be used for reporting
+         * @returns {void}
+         */
+        function verifyWordHasSpaces(node, firstToken, secondToken, word) {
+            if (secondToken.range[0] === firstToken.range[1]) {
+                context.report({
+                    node,
+                    messageId: "wordOperator",
+                    data: {
+                        word
+                    },
+                    fix(fixer) {
+                        return fixer.insertTextAfter(firstToken, " ");
+                    }
+                });
+            }
+        }
+
+        /**
+         * Verify Unary Word Operator doesn't have spaces after the word operator
+         * @param {ASTnode} node AST node
+         * @param {Object} firstToken first token from the AST node
+         * @param {Object} secondToken second token from the AST node
+         * @param {string} word The word to be used for reporting
+         * @returns {void}
+         */
+        function verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word) {
+            if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) {
+                if (secondToken.range[0] > firstToken.range[1]) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedAfterWord",
+                        data: {
+                            word
+                        },
+                        fix(fixer) {
+                            return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+                        }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Check Unary Word Operators for spaces after the word operator
+         * @param {ASTnode} node AST node
+         * @param {Object} firstToken first token from the AST node
+         * @param {Object} secondToken second token from the AST node
+         * @param {string} word The word to be used for reporting
+         * @returns {void}
+         */
+        function checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, word) {
+            if (overrideExistsForOperator(word)) {
+                if (overrideEnforcesSpaces(word)) {
+                    verifyWordHasSpaces(node, firstToken, secondToken, word);
+                } else {
+                    verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word);
+                }
+            } else if (options.words) {
+                verifyWordHasSpaces(node, firstToken, secondToken, word);
+            } else {
+                verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word);
+            }
+        }
+
+        /**
+         * Verifies YieldExpressions satisfy spacing requirements
+         * @param {ASTnode} node AST node
+         * @returns {void}
+         */
+        function checkForSpacesAfterYield(node) {
+            const tokens = sourceCode.getFirstTokens(node, 3),
+                word = "yield";
+
+            if (!node.argument || node.delegate) {
+                return;
+            }
+
+            checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word);
+        }
+
+        /**
+         * Verifies AwaitExpressions satisfy spacing requirements
+         * @param {ASTNode} node AwaitExpression AST node
+         * @returns {void}
+         */
+        function checkForSpacesAfterAwait(node) {
+            const tokens = sourceCode.getFirstTokens(node, 3);
+
+            checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], "await");
+        }
+
+        /**
+         * Verifies UnaryExpression, UpdateExpression and NewExpression have spaces before or after the operator
+         * @param {ASTnode} node AST node
+         * @param {Object} firstToken First token in the expression
+         * @param {Object} secondToken Second token in the expression
+         * @returns {void}
+         */
+        function verifyNonWordsHaveSpaces(node, firstToken, secondToken) {
+            if (node.prefix) {
+                if (isFirstBangInBangBangExpression(node)) {
+                    return;
+                }
+                if (firstToken.range[1] === secondToken.range[0]) {
+                    context.report({
+                        node,
+                        messageId: "operator",
+                        data: {
+                            operator: firstToken.value
+                        },
+                        fix(fixer) {
+                            return fixer.insertTextAfter(firstToken, " ");
+                        }
+                    });
+                }
+            } else {
+                if (firstToken.range[1] === secondToken.range[0]) {
+                    context.report({
+                        node,
+                        messageId: "beforeUnaryExpressions",
+                        data: {
+                            token: secondToken.value
+                        },
+                        fix(fixer) {
+                            return fixer.insertTextBefore(secondToken, " ");
+                        }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Verifies UnaryExpression, UpdateExpression and NewExpression don't have spaces before or after the operator
+         * @param {ASTnode} node AST node
+         * @param {Object} firstToken First token in the expression
+         * @param {Object} secondToken Second token in the expression
+         * @returns {void}
+         */
+        function verifyNonWordsDontHaveSpaces(node, firstToken, secondToken) {
+            if (node.prefix) {
+                if (secondToken.range[0] > firstToken.range[1]) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedAfter",
+                        data: {
+                            operator: firstToken.value
+                        },
+                        fix(fixer) {
+                            if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) {
+                                return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+                            }
+                            return null;
+                        }
+                    });
+                }
+            } else {
+                if (secondToken.range[0] > firstToken.range[1]) {
+                    context.report({
+                        node,
+                        messageId: "unexpectedBefore",
+                        data: {
+                            operator: secondToken.value
+                        },
+                        fix(fixer) {
+                            return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+                        }
+                    });
+                }
+            }
+        }
+
+        /**
+         * Verifies UnaryExpression, UpdateExpression and NewExpression satisfy spacing requirements
+         * @param {ASTnode} node AST node
+         * @returns {void}
+         */
+        function checkForSpaces(node) {
+            const tokens = node.type === "UpdateExpression" && !node.prefix
+                ? sourceCode.getLastTokens(node, 2)
+                : sourceCode.getFirstTokens(node, 2);
+            const firstToken = tokens[0];
+            const secondToken = tokens[1];
+
+            if ((node.type === "NewExpression" || node.prefix) && firstToken.type === "Keyword") {
+                checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, firstToken.value);
+                return;
+            }
+
+            const operator = node.prefix ? tokens[0].value : tokens[1].value;
+
+            if (overrideExistsForOperator(operator)) {
+                if (overrideEnforcesSpaces(operator)) {
+                    verifyNonWordsHaveSpaces(node, firstToken, secondToken);
+                } else {
+                    verifyNonWordsDontHaveSpaces(node, firstToken, secondToken);
+                }
+            } else if (options.nonwords) {
+                verifyNonWordsHaveSpaces(node, firstToken, secondToken);
+            } else {
+                verifyNonWordsDontHaveSpaces(node, firstToken, secondToken);
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            UnaryExpression: checkForSpaces,
+            UpdateExpression: checkForSpaces,
+            NewExpression: checkForSpaces,
+            YieldExpression: checkForSpacesAfterYield,
+            AwaitExpression: checkForSpacesAfterAwait
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/spaced-comment.js b/eslint/lib/rules/spaced-comment.js
new file mode 100644
index 0000000..d3221f0
--- /dev/null
+++ b/eslint/lib/rules/spaced-comment.js
@@ -0,0 +1,382 @@
+/**
+ * @fileoverview Source code for spaced-comments rule
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+const lodash = require("lodash");
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Escapes the control characters of a given string.
+ * @param {string} s A string to escape.
+ * @returns {string} An escaped string.
+ */
+function escape(s) {
+    return `(?:${lodash.escapeRegExp(s)})`;
+}
+
+/**
+ * Escapes the control characters of a given string.
+ * And adds a repeat flag.
+ * @param {string} s A string to escape.
+ * @returns {string} An escaped string.
+ */
+function escapeAndRepeat(s) {
+    return `${escape(s)}+`;
+}
+
+/**
+ * Parses `markers` option.
+ * If markers don't include `"*"`, this adds `"*"` to allow JSDoc comments.
+ * @param {string[]} [markers] A marker list.
+ * @returns {string[]} A marker list.
+ */
+function parseMarkersOption(markers) {
+
+    // `*` is a marker for JSDoc comments.
+    if (markers.indexOf("*") === -1) {
+        return markers.concat("*");
+    }
+
+    return markers;
+}
+
+/**
+ * Creates string pattern for exceptions.
+ * Generated pattern:
+ *
+ * 1. A space or an exception pattern sequence.
+ * @param {string[]} exceptions An exception pattern list.
+ * @returns {string} A regular expression string for exceptions.
+ */
+function createExceptionsPattern(exceptions) {
+    let pattern = "";
+
+    /*
+     * A space or an exception pattern sequence.
+     * []                 ==> "\s"
+     * ["-"]              ==> "(?:\s|\-+$)"
+     * ["-", "="]         ==> "(?:\s|(?:\-+|=+)$)"
+     * ["-", "=", "--=="] ==> "(?:\s|(?:\-+|=+|(?:\-\-==)+)$)" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5Cs%7C(%3F%3A%5C-%2B%7C%3D%2B%7C(%3F%3A%5C-%5C-%3D%3D)%2B)%24)
+     */
+    if (exceptions.length === 0) {
+
+        // a space.
+        pattern += "\\s";
+    } else {
+
+        // a space or...
+        pattern += "(?:\\s|";
+
+        if (exceptions.length === 1) {
+
+            // a sequence of the exception pattern.
+            pattern += escapeAndRepeat(exceptions[0]);
+        } else {
+
+            // a sequence of one of the exception patterns.
+            pattern += "(?:";
+            pattern += exceptions.map(escapeAndRepeat).join("|");
+            pattern += ")";
+        }
+        pattern += `(?:$|[${Array.from(astUtils.LINEBREAKS).join("")}]))`;
+    }
+
+    return pattern;
+}
+
+/**
+ * Creates RegExp object for `always` mode.
+ * Generated pattern for beginning of comment:
+ *
+ * 1. First, a marker or nothing.
+ * 2. Next, a space or an exception pattern sequence.
+ * @param {string[]} markers A marker list.
+ * @param {string[]} exceptions An exception pattern list.
+ * @returns {RegExp} A RegExp object for the beginning of a comment in `always` mode.
+ */
+function createAlwaysStylePattern(markers, exceptions) {
+    let pattern = "^";
+
+    /*
+     * A marker or nothing.
+     * ["*"]            ==> "\*?"
+     * ["*", "!"]       ==> "(?:\*|!)?"
+     * ["*", "/", "!<"] ==> "(?:\*|\/|(?:!<))?" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5C*%7C%5C%2F%7C(%3F%3A!%3C))%3F
+     */
+    if (markers.length === 1) {
+
+        // the marker.
+        pattern += escape(markers[0]);
+    } else {
+
+        // one of markers.
+        pattern += "(?:";
+        pattern += markers.map(escape).join("|");
+        pattern += ")";
+    }
+
+    pattern += "?"; // or nothing.
+    pattern += createExceptionsPattern(exceptions);
+
+    return new RegExp(pattern, "u");
+}
+
+/**
+ * Creates RegExp object for `never` mode.
+ * Generated pattern for beginning of comment:
+ *
+ * 1. First, a marker or nothing (captured).
+ * 2. Next, a space or a tab.
+ * @param {string[]} markers A marker list.
+ * @returns {RegExp} A RegExp object for `never` mode.
+ */
+function createNeverStylePattern(markers) {
+    const pattern = `^(${markers.map(escape).join("|")})?[ \t]+`;
+
+    return new RegExp(pattern, "u");
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce consistent spacing after the `//` or `/*` in a comment",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/spaced-comment"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    exceptions: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    markers: {
+                        type: "array",
+                        items: {
+                            type: "string"
+                        }
+                    },
+                    line: {
+                        type: "object",
+                        properties: {
+                            exceptions: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                }
+                            },
+                            markers: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                }
+                            }
+                        },
+                        additionalProperties: false
+                    },
+                    block: {
+                        type: "object",
+                        properties: {
+                            exceptions: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                }
+                            },
+                            markers: {
+                                type: "array",
+                                items: {
+                                    type: "string"
+                                }
+                            },
+                            balanced: {
+                                type: "boolean",
+                                default: false
+                            }
+                        },
+                        additionalProperties: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            unexpectedSpaceAfterMarker: "Unexpected space or tab after marker ({{refChar}}) in comment.",
+            expectedExceptionAfter: "Expected exception block, space or tab after '{{refChar}}' in comment.",
+            unexpectedSpaceBefore: "Unexpected space or tab before '*/' in comment.",
+            unexpectedSpaceAfter: "Unexpected space or tab after '{{refChar}}' in comment.",
+            expectedSpaceBefore: "Expected space or tab before '*/' in comment.",
+            expectedSpaceAfter: "Expected space or tab after '{{refChar}}' in comment."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.getSourceCode();
+
+        // Unless the first option is never, require a space
+        const requireSpace = context.options[0] !== "never";
+
+        /*
+         * Parse the second options.
+         * If markers don't include `"*"`, it's added automatically for JSDoc
+         * comments.
+         */
+        const config = context.options[1] || {};
+        const balanced = config.block && config.block.balanced;
+
+        const styleRules = ["block", "line"].reduce((rule, type) => {
+            const markers = parseMarkersOption(config[type] && config[type].markers || config.markers || []);
+            const exceptions = config[type] && config[type].exceptions || config.exceptions || [];
+            const endNeverPattern = "[ \t]+$";
+
+            // Create RegExp object for valid patterns.
+            rule[type] = {
+                beginRegex: requireSpace ? createAlwaysStylePattern(markers, exceptions) : createNeverStylePattern(markers),
+                endRegex: balanced && requireSpace ? new RegExp(`${createExceptionsPattern(exceptions)}$`, "u") : new RegExp(endNeverPattern, "u"),
+                hasExceptions: exceptions.length > 0,
+                captureMarker: new RegExp(`^(${markers.map(escape).join("|")})`, "u"),
+                markers: new Set(markers)
+            };
+
+            return rule;
+        }, {});
+
+        /**
+         * Reports a beginning spacing error with an appropriate message.
+         * @param {ASTNode} node A comment node to check.
+         * @param {string} messageId An error message to report.
+         * @param {Array} match An array of match results for markers.
+         * @param {string} refChar Character used for reference in the error message.
+         * @returns {void}
+         */
+        function reportBegin(node, messageId, match, refChar) {
+            const type = node.type.toLowerCase(),
+                commentIdentifier = type === "block" ? "/*" : "//";
+
+            context.report({
+                node,
+                fix(fixer) {
+                    const start = node.range[0];
+                    let end = start + 2;
+
+                    if (requireSpace) {
+                        if (match) {
+                            end += match[0].length;
+                        }
+                        return fixer.insertTextAfterRange([start, end], " ");
+                    }
+                    end += match[0].length;
+                    return fixer.replaceTextRange([start, end], commentIdentifier + (match[1] ? match[1] : ""));
+
+                },
+                messageId,
+                data: { refChar }
+            });
+        }
+
+        /**
+         * Reports an ending spacing error with an appropriate message.
+         * @param {ASTNode} node A comment node to check.
+         * @param {string} messageId An error message to report.
+         * @param {string} match An array of the matched whitespace characters.
+         * @returns {void}
+         */
+        function reportEnd(node, messageId, match) {
+            context.report({
+                node,
+                fix(fixer) {
+                    if (requireSpace) {
+                        return fixer.insertTextAfterRange([node.range[0], node.range[1] - 2], " ");
+                    }
+                    const end = node.range[1] - 2,
+                        start = end - match[0].length;
+
+                    return fixer.replaceTextRange([start, end], "");
+
+                },
+                messageId
+            });
+        }
+
+        /**
+         * Reports a given comment if it's invalid.
+         * @param {ASTNode} node a comment node to check.
+         * @returns {void}
+         */
+        function checkCommentForSpace(node) {
+            const type = node.type.toLowerCase(),
+                rule = styleRules[type],
+                commentIdentifier = type === "block" ? "/*" : "//";
+
+            // Ignores empty comments and comments that consist only of a marker.
+            if (node.value.length === 0 || rule.markers.has(node.value)) {
+                return;
+            }
+
+            const beginMatch = rule.beginRegex.exec(node.value);
+            const endMatch = rule.endRegex.exec(node.value);
+
+            // Checks.
+            if (requireSpace) {
+                if (!beginMatch) {
+                    const hasMarker = rule.captureMarker.exec(node.value);
+                    const marker = hasMarker ? commentIdentifier + hasMarker[0] : commentIdentifier;
+
+                    if (rule.hasExceptions) {
+                        reportBegin(node, "expectedExceptionAfter", hasMarker, marker);
+                    } else {
+                        reportBegin(node, "expectedSpaceAfter", hasMarker, marker);
+                    }
+                }
+
+                if (balanced && type === "block" && !endMatch) {
+                    reportEnd(node, "expectedSpaceBefore");
+                }
+            } else {
+                if (beginMatch) {
+                    if (!beginMatch[1]) {
+                        reportBegin(node, "unexpectedSpaceAfter", beginMatch, commentIdentifier);
+                    } else {
+                        reportBegin(node, "unexpectedSpaceAfterMarker", beginMatch, beginMatch[1]);
+                    }
+                }
+
+                if (balanced && type === "block" && endMatch) {
+                    reportEnd(node, "unexpectedSpaceBefore", endMatch);
+                }
+            }
+        }
+
+        return {
+            Program() {
+                const comments = sourceCode.getAllComments();
+
+                comments.filter(token => token.type !== "Shebang").forEach(checkCommentForSpace);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/strict.js b/eslint/lib/rules/strict.js
new file mode 100644
index 0000000..b0d6cf9
--- /dev/null
+++ b/eslint/lib/rules/strict.js
@@ -0,0 +1,277 @@
+/**
+ * @fileoverview Rule to control usage of strict mode directives.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets all of the Use Strict Directives in the Directive Prologue of a group of
+ * statements.
+ * @param {ASTNode[]} statements Statements in the program or function body.
+ * @returns {ASTNode[]} All of the Use Strict Directives.
+ */
+function getUseStrictDirectives(statements) {
+    const directives = [];
+
+    for (let i = 0; i < statements.length; i++) {
+        const statement = statements[i];
+
+        if (
+            statement.type === "ExpressionStatement" &&
+            statement.expression.type === "Literal" &&
+            statement.expression.value === "use strict"
+        ) {
+            directives[i] = statement;
+        } else {
+            break;
+        }
+    }
+
+    return directives;
+}
+
+/**
+ * Checks whether a given parameter is a simple parameter.
+ * @param {ASTNode} node A pattern node to check.
+ * @returns {boolean} `true` if the node is an Identifier node.
+ */
+function isSimpleParameter(node) {
+    return node.type === "Identifier";
+}
+
+/**
+ * Checks whether a given parameter list is a simple parameter list.
+ * @param {ASTNode[]} params A parameter list to check.
+ * @returns {boolean} `true` if the every parameter is an Identifier node.
+ */
+function isSimpleParameterList(params) {
+    return params.every(isSimpleParameter);
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow strict mode directives",
+            category: "Strict Mode",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/strict"
+        },
+
+        schema: [
+            {
+                enum: ["never", "global", "function", "safe"]
+            }
+        ],
+
+        fixable: "code",
+        messages: {
+            function: "Use the function form of 'use strict'.",
+            global: "Use the global form of 'use strict'.",
+            multiple: "Multiple 'use strict' directives.",
+            never: "Strict mode is not permitted.",
+            unnecessary: "Unnecessary 'use strict' directive.",
+            module: "'use strict' is unnecessary inside of modules.",
+            implied: "'use strict' is unnecessary when implied strict mode is enabled.",
+            unnecessaryInClasses: "'use strict' is unnecessary inside of classes.",
+            nonSimpleParameterList: "'use strict' directive inside a function with non-simple parameter list throws a syntax error since ES2016.",
+            wrap: "Wrap {{name}} in a function with 'use strict' directive."
+        }
+    },
+
+    create(context) {
+
+        const ecmaFeatures = context.parserOptions.ecmaFeatures || {},
+            scopes = [],
+            classScopes = [];
+        let mode = context.options[0] || "safe";
+
+        if (ecmaFeatures.impliedStrict) {
+            mode = "implied";
+        } else if (mode === "safe") {
+            mode = ecmaFeatures.globalReturn ? "global" : "function";
+        }
+
+        /**
+         * Determines whether a reported error should be fixed, depending on the error type.
+         * @param {string} errorType The type of error
+         * @returns {boolean} `true` if the reported error should be fixed
+         */
+        function shouldFix(errorType) {
+            return errorType === "multiple" || errorType === "unnecessary" || errorType === "module" || errorType === "implied" || errorType === "unnecessaryInClasses";
+        }
+
+        /**
+         * Gets a fixer function to remove a given 'use strict' directive.
+         * @param {ASTNode} node The directive that should be removed
+         * @returns {Function} A fixer function
+         */
+        function getFixFunction(node) {
+            return fixer => fixer.remove(node);
+        }
+
+        /**
+         * Report a slice of an array of nodes with a given message.
+         * @param {ASTNode[]} nodes Nodes.
+         * @param {string} start Index to start from.
+         * @param {string} end Index to end before.
+         * @param {string} messageId Message to display.
+         * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+         * @returns {void}
+         */
+        function reportSlice(nodes, start, end, messageId, fix) {
+            nodes.slice(start, end).forEach(node => {
+                context.report({ node, messageId, fix: fix ? getFixFunction(node) : null });
+            });
+        }
+
+        /**
+         * Report all nodes in an array with a given message.
+         * @param {ASTNode[]} nodes Nodes.
+         * @param {string} messageId Message id to display.
+         * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+         * @returns {void}
+         */
+        function reportAll(nodes, messageId, fix) {
+            reportSlice(nodes, 0, nodes.length, messageId, fix);
+        }
+
+        /**
+         * Report all nodes in an array, except the first, with a given message.
+         * @param {ASTNode[]} nodes Nodes.
+         * @param {string} messageId Message id to display.
+         * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+         * @returns {void}
+         */
+        function reportAllExceptFirst(nodes, messageId, fix) {
+            reportSlice(nodes, 1, nodes.length, messageId, fix);
+        }
+
+        /**
+         * Entering a function in 'function' mode pushes a new nested scope onto the
+         * stack. The new scope is true if the nested function is strict mode code.
+         * @param {ASTNode} node The function declaration or expression.
+         * @param {ASTNode[]} useStrictDirectives The Use Strict Directives of the node.
+         * @returns {void}
+         */
+        function enterFunctionInFunctionMode(node, useStrictDirectives) {
+            const isInClass = classScopes.length > 0,
+                isParentGlobal = scopes.length === 0 && classScopes.length === 0,
+                isParentStrict = scopes.length > 0 && scopes[scopes.length - 1],
+                isStrict = useStrictDirectives.length > 0;
+
+            if (isStrict) {
+                if (!isSimpleParameterList(node.params)) {
+                    context.report({ node: useStrictDirectives[0], messageId: "nonSimpleParameterList" });
+                } else if (isParentStrict) {
+                    context.report({ node: useStrictDirectives[0], messageId: "unnecessary", fix: getFixFunction(useStrictDirectives[0]) });
+                } else if (isInClass) {
+                    context.report({ node: useStrictDirectives[0], messageId: "unnecessaryInClasses", fix: getFixFunction(useStrictDirectives[0]) });
+                }
+
+                reportAllExceptFirst(useStrictDirectives, "multiple", true);
+            } else if (isParentGlobal) {
+                if (isSimpleParameterList(node.params)) {
+                    context.report({ node, messageId: "function" });
+                } else {
+                    context.report({
+                        node,
+                        messageId: "wrap",
+                        data: { name: astUtils.getFunctionNameWithKind(node) }
+                    });
+                }
+            }
+
+            scopes.push(isParentStrict || isStrict);
+        }
+
+        /**
+         * Exiting a function in 'function' mode pops its scope off the stack.
+         * @returns {void}
+         */
+        function exitFunctionInFunctionMode() {
+            scopes.pop();
+        }
+
+        /**
+         * Enter a function and either:
+         * - Push a new nested scope onto the stack (in 'function' mode).
+         * - Report all the Use Strict Directives (in the other modes).
+         * @param {ASTNode} node The function declaration or expression.
+         * @returns {void}
+         */
+        function enterFunction(node) {
+            const isBlock = node.body.type === "BlockStatement",
+                useStrictDirectives = isBlock
+                    ? getUseStrictDirectives(node.body.body) : [];
+
+            if (mode === "function") {
+                enterFunctionInFunctionMode(node, useStrictDirectives);
+            } else if (useStrictDirectives.length > 0) {
+                if (isSimpleParameterList(node.params)) {
+                    reportAll(useStrictDirectives, mode, shouldFix(mode));
+                } else {
+                    context.report({ node: useStrictDirectives[0], messageId: "nonSimpleParameterList" });
+                    reportAllExceptFirst(useStrictDirectives, "multiple", true);
+                }
+            }
+        }
+
+        const rule = {
+            Program(node) {
+                const useStrictDirectives = getUseStrictDirectives(node.body);
+
+                if (node.sourceType === "module") {
+                    mode = "module";
+                }
+
+                if (mode === "global") {
+                    if (node.body.length > 0 && useStrictDirectives.length === 0) {
+                        context.report({ node, messageId: "global" });
+                    }
+                    reportAllExceptFirst(useStrictDirectives, "multiple", true);
+                } else {
+                    reportAll(useStrictDirectives, mode, shouldFix(mode));
+                }
+            },
+            FunctionDeclaration: enterFunction,
+            FunctionExpression: enterFunction,
+            ArrowFunctionExpression: enterFunction
+        };
+
+        if (mode === "function") {
+            Object.assign(rule, {
+
+                // Inside of class bodies are always strict mode.
+                ClassBody() {
+                    classScopes.push(true);
+                },
+                "ClassBody:exit"() {
+                    classScopes.pop();
+                },
+
+                "FunctionDeclaration:exit": exitFunctionInFunctionMode,
+                "FunctionExpression:exit": exitFunctionInFunctionMode,
+                "ArrowFunctionExpression:exit": exitFunctionInFunctionMode
+            });
+        }
+
+        return rule;
+    }
+};
diff --git a/eslint/lib/rules/switch-colon-spacing.js b/eslint/lib/rules/switch-colon-spacing.js
new file mode 100644
index 0000000..c906415
--- /dev/null
+++ b/eslint/lib/rules/switch-colon-spacing.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Rule to enforce spacing around colons of switch statements.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "enforce spacing around colons of switch statements",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/switch-colon-spacing"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    before: { type: "boolean", default: false },
+                    after: { type: "boolean", default: true }
+                },
+                additionalProperties: false
+            }
+        ],
+        fixable: "whitespace",
+        messages: {
+            expectedBefore: "Expected space(s) before this colon.",
+            expectedAfter: "Expected space(s) after this colon.",
+            unexpectedBefore: "Unexpected space(s) before this colon.",
+            unexpectedAfter: "Unexpected space(s) after this colon."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const options = context.options[0] || {};
+        const beforeSpacing = options.before === true; // false by default
+        const afterSpacing = options.after !== false; // true by default
+
+        /**
+         * Get the colon token of the given SwitchCase node.
+         * @param {ASTNode} node The SwitchCase node to get.
+         * @returns {Token} The colon token of the node.
+         */
+        function getColonToken(node) {
+            if (node.test) {
+                return sourceCode.getTokenAfter(node.test, astUtils.isColonToken);
+            }
+            return sourceCode.getFirstToken(node, 1);
+        }
+
+        /**
+         * Check whether the spacing between the given 2 tokens is valid or not.
+         * @param {Token} left The left token to check.
+         * @param {Token} right The right token to check.
+         * @param {boolean} expected The expected spacing to check. `true` if there should be a space.
+         * @returns {boolean} `true` if the spacing between the tokens is valid.
+         */
+        function isValidSpacing(left, right, expected) {
+            return (
+                astUtils.isClosingBraceToken(right) ||
+                !astUtils.isTokenOnSameLine(left, right) ||
+                sourceCode.isSpaceBetweenTokens(left, right) === expected
+            );
+        }
+
+        /**
+         * Check whether comments exist between the given 2 tokens.
+         * @param {Token} left The left token to check.
+         * @param {Token} right The right token to check.
+         * @returns {boolean} `true` if comments exist between the given 2 tokens.
+         */
+        function commentsExistBetween(left, right) {
+            return sourceCode.getFirstTokenBetween(
+                left,
+                right,
+                {
+                    includeComments: true,
+                    filter: astUtils.isCommentToken
+                }
+            ) !== null;
+        }
+
+        /**
+         * Fix the spacing between the given 2 tokens.
+         * @param {RuleFixer} fixer The fixer to fix.
+         * @param {Token} left The left token of fix range.
+         * @param {Token} right The right token of fix range.
+         * @param {boolean} spacing The spacing style. `true` if there should be a space.
+         * @returns {Fix|null} The fix object.
+         */
+        function fix(fixer, left, right, spacing) {
+            if (commentsExistBetween(left, right)) {
+                return null;
+            }
+            if (spacing) {
+                return fixer.insertTextAfter(left, " ");
+            }
+            return fixer.removeRange([left.range[1], right.range[0]]);
+        }
+
+        return {
+            SwitchCase(node) {
+                const colonToken = getColonToken(node);
+                const beforeToken = sourceCode.getTokenBefore(colonToken);
+                const afterToken = sourceCode.getTokenAfter(colonToken);
+
+                if (!isValidSpacing(beforeToken, colonToken, beforeSpacing)) {
+                    context.report({
+                        node,
+                        loc: colonToken.loc,
+                        messageId: beforeSpacing ? "expectedBefore" : "unexpectedBefore",
+                        fix: fixer => fix(fixer, beforeToken, colonToken, beforeSpacing)
+                    });
+                }
+                if (!isValidSpacing(colonToken, afterToken, afterSpacing)) {
+                    context.report({
+                        node,
+                        loc: colonToken.loc,
+                        messageId: afterSpacing ? "expectedAfter" : "unexpectedAfter",
+                        fix: fixer => fix(fixer, colonToken, afterToken, afterSpacing)
+                    });
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/symbol-description.js b/eslint/lib/rules/symbol-description.js
new file mode 100644
index 0000000..155cea4
--- /dev/null
+++ b/eslint/lib/rules/symbol-description.js
@@ -0,0 +1,71 @@
+/**
+ * @fileoverview Rule to enforce description with the `Symbol` object
+ * @author Jarek Rencz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require symbol descriptions",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/symbol-description"
+        },
+        fixable: null,
+        schema: [],
+        messages: {
+            expected: "Expected Symbol to have a description."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Reports if node does not conform the rule in case rule is set to
+         * report missing description
+         * @param {ASTNode} node A CallExpression node to check.
+         * @returns {void}
+         */
+        function checkArgument(node) {
+            if (node.arguments.length === 0) {
+                context.report({
+                    node,
+                    messageId: "expected"
+                });
+            }
+        }
+
+        return {
+            "Program:exit"() {
+                const scope = context.getScope();
+                const variable = astUtils.getVariableByName(scope, "Symbol");
+
+                if (variable && variable.defs.length === 0) {
+                    variable.references.forEach(reference => {
+                        const node = reference.identifier;
+
+                        if (astUtils.isCallee(node)) {
+                            checkArgument(node.parent);
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/template-curly-spacing.js b/eslint/lib/rules/template-curly-spacing.js
new file mode 100644
index 0000000..26043bc
--- /dev/null
+++ b/eslint/lib/rules/template-curly-spacing.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Rule to enforce spacing around embedded expressions of template strings
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow spacing around embedded expressions of template strings",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/template-curly-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            { enum: ["always", "never"] }
+        ],
+        messages: {
+            expectedBefore: "Expected space(s) before '}'.",
+            expectedAfter: "Expected space(s) after '${'.",
+            unexpectedBefore: "Unexpected space(s) before '}'.",
+            unexpectedAfter: "Unexpected space(s) after '${'."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+        const always = context.options[0] === "always";
+
+        /**
+         * Checks spacing before `}` of a given token.
+         * @param {Token} token A token to check. This is a Template token.
+         * @returns {void}
+         */
+        function checkSpacingBefore(token) {
+            if (!token.value.startsWith("}")) {
+                return; // starts with a backtick, this is the first template element in the template literal
+            }
+
+            const prevToken = sourceCode.getTokenBefore(token, { includeComments: true }),
+                hasSpace = sourceCode.isSpaceBetween(prevToken, token);
+
+            if (!astUtils.isTokenOnSameLine(prevToken, token)) {
+                return;
+            }
+
+            if (always && !hasSpace) {
+                context.report({
+                    loc: {
+                        start: token.loc.start,
+                        end: {
+                            line: token.loc.start.line,
+                            column: token.loc.start.column + 1
+                        }
+                    },
+                    messageId: "expectedBefore",
+                    fix: fixer => fixer.insertTextBefore(token, " ")
+                });
+            }
+
+            if (!always && hasSpace) {
+                context.report({
+                    loc: {
+                        start: prevToken.loc.end,
+                        end: token.loc.start
+                    },
+                    messageId: "unexpectedBefore",
+                    fix: fixer => fixer.removeRange([prevToken.range[1], token.range[0]])
+                });
+            }
+        }
+
+        /**
+         * Checks spacing after `${` of a given token.
+         * @param {Token} token A token to check. This is a Template token.
+         * @returns {void}
+         */
+        function checkSpacingAfter(token) {
+            if (!token.value.endsWith("${")) {
+                return; // ends with a backtick, this is the last template element in the template literal
+            }
+
+            const nextToken = sourceCode.getTokenAfter(token, { includeComments: true }),
+                hasSpace = sourceCode.isSpaceBetween(token, nextToken);
+
+            if (!astUtils.isTokenOnSameLine(token, nextToken)) {
+                return;
+            }
+
+            if (always && !hasSpace) {
+                context.report({
+                    loc: {
+                        start: {
+                            line: token.loc.end.line,
+                            column: token.loc.end.column - 2
+                        },
+                        end: token.loc.end
+                    },
+                    messageId: "expectedAfter",
+                    fix: fixer => fixer.insertTextAfter(token, " ")
+                });
+            }
+
+            if (!always && hasSpace) {
+                context.report({
+                    loc: {
+                        start: token.loc.end,
+                        end: nextToken.loc.start
+                    },
+                    messageId: "unexpectedAfter",
+                    fix: fixer => fixer.removeRange([token.range[1], nextToken.range[0]])
+                });
+            }
+        }
+
+        return {
+            TemplateElement(node) {
+                const token = sourceCode.getFirstToken(node);
+
+                checkSpacingBefore(token);
+                checkSpacingAfter(token);
+            }
+        };
+    }
+};
diff --git a/eslint/lib/rules/template-tag-spacing.js b/eslint/lib/rules/template-tag-spacing.js
new file mode 100644
index 0000000..9eb6d86
--- /dev/null
+++ b/eslint/lib/rules/template-tag-spacing.js
@@ -0,0 +1,84 @@
+/**
+ * @fileoverview Rule to check spacing between template tags and their literals
+ * @author Jonathan Wilsson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow spacing between template tags and their literals",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/template-tag-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            { enum: ["always", "never"] }
+        ],
+        messages: {
+            unexpected: "Unexpected space between template tag and template literal.",
+            missing: "Missing space between template tag and template literal."
+        }
+    },
+
+    create(context) {
+        const never = context.options[0] !== "always";
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check if a space is present between a template tag and its literal
+         * @param {ASTNode} node node to evaluate
+         * @returns {void}
+         * @private
+         */
+        function checkSpacing(node) {
+            const tagToken = sourceCode.getTokenBefore(node.quasi);
+            const literalToken = sourceCode.getFirstToken(node.quasi);
+            const hasWhitespace = sourceCode.isSpaceBetweenTokens(tagToken, literalToken);
+
+            if (never && hasWhitespace) {
+                context.report({
+                    node,
+                    loc: tagToken.loc.start,
+                    messageId: "unexpected",
+                    fix(fixer) {
+                        const comments = sourceCode.getCommentsBefore(node.quasi);
+
+                        // Don't fix anything if there's a single line comment after the template tag
+                        if (comments.some(comment => comment.type === "Line")) {
+                            return null;
+                        }
+
+                        return fixer.replaceTextRange(
+                            [tagToken.range[1], literalToken.range[0]],
+                            comments.reduce((text, comment) => text + sourceCode.getText(comment), "")
+                        );
+                    }
+                });
+            } else if (!never && !hasWhitespace) {
+                context.report({
+                    node,
+                    loc: tagToken.loc.start,
+                    messageId: "missing",
+                    fix(fixer) {
+                        return fixer.insertTextAfter(tagToken, " ");
+                    }
+                });
+            }
+        }
+
+        return {
+            TaggedTemplateExpression: checkSpacing
+        };
+    }
+};
diff --git a/eslint/lib/rules/unicode-bom.js b/eslint/lib/rules/unicode-bom.js
new file mode 100644
index 0000000..39642f8
--- /dev/null
+++ b/eslint/lib/rules/unicode-bom.js
@@ -0,0 +1,73 @@
+/**
+ * @fileoverview Require or disallow Unicode BOM
+ * @author Andrew Johnston <https://github.com/ehjay>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow Unicode byte order mark (BOM)",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/unicode-bom"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            }
+        ],
+        messages: {
+            expected: "Expected Unicode BOM (Byte Order Mark).",
+            unexpected: "Unexpected Unicode BOM (Byte Order Mark)."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            Program: function checkUnicodeBOM(node) {
+
+                const sourceCode = context.getSourceCode(),
+                    location = { column: 0, line: 1 },
+                    requireBOM = context.options[0] || "never";
+
+                if (!sourceCode.hasBOM && (requireBOM === "always")) {
+                    context.report({
+                        node,
+                        loc: location,
+                        messageId: "expected",
+                        fix(fixer) {
+                            return fixer.insertTextBeforeRange([0, 1], "\uFEFF");
+                        }
+                    });
+                } else if (sourceCode.hasBOM && (requireBOM === "never")) {
+                    context.report({
+                        node,
+                        loc: location,
+                        messageId: "unexpected",
+                        fix(fixer) {
+                            return fixer.removeRange([-1, 0]);
+                        }
+                    });
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/use-isnan.js b/eslint/lib/rules/use-isnan.js
new file mode 100644
index 0000000..7b466be
--- /dev/null
+++ b/eslint/lib/rules/use-isnan.js
@@ -0,0 +1,138 @@
+/**
+ * @fileoverview Rule to flag comparisons to the value NaN
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines if the given node is a NaN `Identifier` node.
+ * @param {ASTNode|null} node The node to check.
+ * @returns {boolean} `true` if the node is 'NaN' identifier.
+ */
+function isNaNIdentifier(node) {
+    return Boolean(node) && node.type === "Identifier" && node.name === "NaN";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "require calls to `isNaN()` when checking for `NaN`",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/use-isnan"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    enforceForSwitchCase: {
+                        type: "boolean",
+                        default: true
+                    },
+                    enforceForIndexOf: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        messages: {
+            comparisonWithNaN: "Use the isNaN function to compare with NaN.",
+            switchNaN: "'switch(NaN)' can never match a case clause. Use Number.isNaN instead of the switch.",
+            caseNaN: "'case NaN' can never match. Use Number.isNaN before the switch.",
+            indexOfNaN: "Array prototype method '{{ methodName }}' cannot find NaN."
+        }
+    },
+
+    create(context) {
+
+        const enforceForSwitchCase = !context.options[0] || context.options[0].enforceForSwitchCase;
+        const enforceForIndexOf = context.options[0] && context.options[0].enforceForIndexOf;
+
+        /**
+         * Checks the given `BinaryExpression` node for `foo === NaN` and other comparisons.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkBinaryExpression(node) {
+            if (
+                /^(?:[<>]|[!=]=)=?$/u.test(node.operator) &&
+                (isNaNIdentifier(node.left) || isNaNIdentifier(node.right))
+            ) {
+                context.report({ node, messageId: "comparisonWithNaN" });
+            }
+        }
+
+        /**
+         * Checks the discriminant and all case clauses of the given `SwitchStatement` node for `switch(NaN)` and `case NaN:`
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkSwitchStatement(node) {
+            if (isNaNIdentifier(node.discriminant)) {
+                context.report({ node, messageId: "switchNaN" });
+            }
+
+            for (const switchCase of node.cases) {
+                if (isNaNIdentifier(switchCase.test)) {
+                    context.report({ node: switchCase, messageId: "caseNaN" });
+                }
+            }
+        }
+
+        /**
+         * Checks the the given `CallExpression` node for `.indexOf(NaN)` and `.lastIndexOf(NaN)`.
+         * @param {ASTNode} node The node to check.
+         * @returns {void}
+         */
+        function checkCallExpression(node) {
+            const callee = node.callee;
+
+            if (callee.type === "MemberExpression") {
+                const methodName = astUtils.getStaticPropertyName(callee);
+
+                if (
+                    (methodName === "indexOf" || methodName === "lastIndexOf") &&
+                    node.arguments.length === 1 &&
+                    isNaNIdentifier(node.arguments[0])
+                ) {
+                    context.report({ node, messageId: "indexOfNaN", data: { methodName } });
+                }
+            }
+        }
+
+        const listeners = {
+            BinaryExpression: checkBinaryExpression
+        };
+
+        if (enforceForSwitchCase) {
+            listeners.SwitchStatement = checkSwitchStatement;
+        }
+
+        if (enforceForIndexOf) {
+            listeners.CallExpression = checkCallExpression;
+        }
+
+        return listeners;
+    }
+};
diff --git a/eslint/lib/rules/utils/ast-utils.js b/eslint/lib/rules/utils/ast-utils.js
new file mode 100644
index 0000000..e6a3cb4
--- /dev/null
+++ b/eslint/lib/rules/utils/ast-utils.js
@@ -0,0 +1,1497 @@
+/**
+ * @fileoverview Common utils for AST.
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const esutils = require("esutils");
+const espree = require("espree");
+const lodash = require("lodash");
+const {
+    breakableTypePattern,
+    createGlobalLinebreakMatcher,
+    lineBreakPattern,
+    shebangPattern
+} = require("../../shared/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const anyFunctionPattern = /^(?:Function(?:Declaration|Expression)|ArrowFunctionExpression)$/u;
+const anyLoopPattern = /^(?:DoWhile|For|ForIn|ForOf|While)Statement$/u;
+const arrayOrTypedArrayPattern = /Array$/u;
+const arrayMethodPattern = /^(?:every|filter|find|findIndex|forEach|map|some)$/u;
+const bindOrCallOrApplyPattern = /^(?:bind|call|apply)$/u;
+const thisTagPattern = /^[\s*]*@this/mu;
+
+
+const COMMENTS_IGNORE_PATTERN = /^\s*(?:eslint|jshint\s+|jslint\s+|istanbul\s+|globals?\s+|exported\s+|jscs)/u;
+const LINEBREAKS = new Set(["\r\n", "\r", "\n", "\u2028", "\u2029"]);
+
+// A set of node types that can contain a list of statements
+const STATEMENT_LIST_PARENTS = new Set(["Program", "BlockStatement", "SwitchCase"]);
+
+const DECIMAL_INTEGER_PATTERN = /^(0|[1-9]\d*)$/u;
+const OCTAL_ESCAPE_PATTERN = /^(?:[^\\]|\\[^0-7]|\\0(?![0-9]))*\\(?:[1-7]|0[0-9])/u;
+
+/**
+ * Checks reference if is non initializer and writable.
+ * @param {Reference} reference A reference to check.
+ * @param {int} index The index of the reference in the references.
+ * @param {Reference[]} references The array that the reference belongs to.
+ * @returns {boolean} Success/Failure
+ * @private
+ */
+function isModifyingReference(reference, index, references) {
+    const identifier = reference.identifier;
+
+    /*
+     * Destructuring assignments can have multiple default value, so
+     * possibly there are multiple writeable references for the same
+     * identifier.
+     */
+    const modifyingDifferentIdentifier = index === 0 ||
+        references[index - 1].identifier !== identifier;
+
+    return (identifier &&
+        reference.init === false &&
+        reference.isWrite() &&
+        modifyingDifferentIdentifier
+    );
+}
+
+/**
+ * Checks whether the given string starts with uppercase or not.
+ * @param {string} s The string to check.
+ * @returns {boolean} `true` if the string starts with uppercase.
+ */
+function startsWithUpperCase(s) {
+    return s[0] !== s[0].toLocaleLowerCase();
+}
+
+/**
+ * Checks whether or not a node is a constructor.
+ * @param {ASTNode} node A function node to check.
+ * @returns {boolean} Wehether or not a node is a constructor.
+ */
+function isES5Constructor(node) {
+    return (node.id && startsWithUpperCase(node.id.name));
+}
+
+/**
+ * Finds a function node from ancestors of a node.
+ * @param {ASTNode} node A start node to find.
+ * @returns {Node|null} A found function node.
+ */
+function getUpperFunction(node) {
+    for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+        if (anyFunctionPattern.test(currentNode.type)) {
+            return currentNode;
+        }
+    }
+    return null;
+}
+
+/**
+ * Checks whether a given node is a function node or not.
+ * The following types are function nodes:
+ *
+ * - ArrowFunctionExpression
+ * - FunctionDeclaration
+ * - FunctionExpression
+ * @param {ASTNode|null} node A node to check.
+ * @returns {boolean} `true` if the node is a function node.
+ */
+function isFunction(node) {
+    return Boolean(node && anyFunctionPattern.test(node.type));
+}
+
+/**
+ * Checks whether a given node is a loop node or not.
+ * The following types are loop nodes:
+ *
+ * - DoWhileStatement
+ * - ForInStatement
+ * - ForOfStatement
+ * - ForStatement
+ * - WhileStatement
+ * @param {ASTNode|null} node A node to check.
+ * @returns {boolean} `true` if the node is a loop node.
+ */
+function isLoop(node) {
+    return Boolean(node && anyLoopPattern.test(node.type));
+}
+
+/**
+ * Checks whether the given node is in a loop or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is in a loop.
+ */
+function isInLoop(node) {
+    for (let currentNode = node; currentNode && !isFunction(currentNode); currentNode = currentNode.parent) {
+        if (isLoop(currentNode)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+/**
+ * Checks whether or not a node is `null` or `undefined`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `null` or `undefined`.
+ * @public
+ */
+function isNullOrUndefined(node) {
+    return (
+        module.exports.isNullLiteral(node) ||
+        (node.type === "Identifier" && node.name === "undefined") ||
+        (node.type === "UnaryExpression" && node.operator === "void")
+    );
+}
+
+/**
+ * Checks whether or not a node is callee.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is callee.
+ */
+function isCallee(node) {
+    return node.parent.type === "CallExpression" && node.parent.callee === node;
+}
+
+/**
+ * Checks whether or not a node is `Reflect.apply`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `Reflect.apply`.
+ */
+function isReflectApply(node) {
+    return (
+        node.type === "MemberExpression" &&
+        node.object.type === "Identifier" &&
+        node.object.name === "Reflect" &&
+        node.property.type === "Identifier" &&
+        node.property.name === "apply" &&
+        node.computed === false
+    );
+}
+
+/**
+ * Checks whether or not a node is `Array.from`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `Array.from`.
+ */
+function isArrayFromMethod(node) {
+    return (
+        node.type === "MemberExpression" &&
+        node.object.type === "Identifier" &&
+        arrayOrTypedArrayPattern.test(node.object.name) &&
+        node.property.type === "Identifier" &&
+        node.property.name === "from" &&
+        node.computed === false
+    );
+}
+
+/**
+ * Checks whether or not a node is a method which has `thisArg`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a method which has `thisArg`.
+ */
+function isMethodWhichHasThisArg(node) {
+    for (
+        let currentNode = node;
+        currentNode.type === "MemberExpression" && !currentNode.computed;
+        currentNode = currentNode.property
+    ) {
+        if (currentNode.property.type === "Identifier") {
+            return arrayMethodPattern.test(currentNode.property.name);
+        }
+    }
+
+    return false;
+}
+
+/**
+ * Creates the negate function of the given function.
+ * @param {Function} f The function to negate.
+ * @returns {Function} Negated function.
+ */
+function negate(f) {
+    return token => !f(token);
+}
+
+/**
+ * Checks whether or not a node has a `@this` tag in its comments.
+ * @param {ASTNode} node A node to check.
+ * @param {SourceCode} sourceCode A SourceCode instance to get comments.
+ * @returns {boolean} Whether or not the node has a `@this` tag in its comments.
+ */
+function hasJSDocThisTag(node, sourceCode) {
+    const jsdocComment = sourceCode.getJSDocComment(node);
+
+    if (jsdocComment && thisTagPattern.test(jsdocComment.value)) {
+        return true;
+    }
+
+    // Checks `@this` in its leading comments for callbacks,
+    // because callbacks don't have its JSDoc comment.
+    // e.g.
+    //     sinon.test(/* @this sinon.Sandbox */function() { this.spy(); });
+    return sourceCode.getCommentsBefore(node).some(comment => thisTagPattern.test(comment.value));
+}
+
+/**
+ * Determines if a node is surrounded by parentheses.
+ * @param {SourceCode} sourceCode The ESLint source code object
+ * @param {ASTNode} node The node to be checked.
+ * @returns {boolean} True if the node is parenthesised.
+ * @private
+ */
+function isParenthesised(sourceCode, node) {
+    const previousToken = sourceCode.getTokenBefore(node),
+        nextToken = sourceCode.getTokenAfter(node);
+
+    return Boolean(previousToken && nextToken) &&
+        previousToken.value === "(" && previousToken.range[1] <= node.range[0] &&
+        nextToken.value === ")" && nextToken.range[0] >= node.range[1];
+}
+
+/**
+ * Checks if the given token is an arrow token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an arrow token.
+ */
+function isArrowToken(token) {
+    return token.value === "=>" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a comma token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a comma token.
+ */
+function isCommaToken(token) {
+    return token.value === "," && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a dot token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a dot token.
+ */
+function isDotToken(token) {
+    return token.value === "." && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a semicolon token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a semicolon token.
+ */
+function isSemicolonToken(token) {
+    return token.value === ";" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a colon token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a colon token.
+ */
+function isColonToken(token) {
+    return token.value === ":" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is an opening parenthesis token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening parenthesis token.
+ */
+function isOpeningParenToken(token) {
+    return token.value === "(" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a closing parenthesis token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing parenthesis token.
+ */
+function isClosingParenToken(token) {
+    return token.value === ")" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is an opening square bracket token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening square bracket token.
+ */
+function isOpeningBracketToken(token) {
+    return token.value === "[" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a closing square bracket token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing square bracket token.
+ */
+function isClosingBracketToken(token) {
+    return token.value === "]" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is an opening brace token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening brace token.
+ */
+function isOpeningBraceToken(token) {
+    return token.value === "{" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a closing brace token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing brace token.
+ */
+function isClosingBraceToken(token) {
+    return token.value === "}" && token.type === "Punctuator";
+}
+
+/**
+ * Checks if the given token is a comment token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a comment token.
+ */
+function isCommentToken(token) {
+    return token.type === "Line" || token.type === "Block" || token.type === "Shebang";
+}
+
+/**
+ * Checks if the given token is a keyword token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a keyword token.
+ */
+function isKeywordToken(token) {
+    return token.type === "Keyword";
+}
+
+/**
+ * Gets the `(` token of the given function node.
+ * @param {ASTNode} node The function node to get.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {Token} `(` token.
+ */
+function getOpeningParenOfParams(node, sourceCode) {
+    return node.id
+        ? sourceCode.getTokenAfter(node.id, isOpeningParenToken)
+        : sourceCode.getFirstToken(node, isOpeningParenToken);
+}
+
+/**
+ * Checks whether or not the tokens of two given nodes are same.
+ * @param {ASTNode} left A node 1 to compare.
+ * @param {ASTNode} right A node 2 to compare.
+ * @param {SourceCode} sourceCode The ESLint source code object.
+ * @returns {boolean} the source code for the given node.
+ */
+function equalTokens(left, right, sourceCode) {
+    const tokensL = sourceCode.getTokens(left);
+    const tokensR = sourceCode.getTokens(right);
+
+    if (tokensL.length !== tokensR.length) {
+        return false;
+    }
+    for (let i = 0; i < tokensL.length; ++i) {
+        if (tokensL[i].type !== tokensR[i].type ||
+            tokensL[i].value !== tokensR[i].value
+        ) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    COMMENTS_IGNORE_PATTERN,
+    LINEBREAKS,
+    LINEBREAK_MATCHER: lineBreakPattern,
+    SHEBANG_MATCHER: shebangPattern,
+    STATEMENT_LIST_PARENTS,
+
+    /**
+     * Determines whether two adjacent tokens are on the same line.
+     * @param {Object} left The left token object.
+     * @param {Object} right The right token object.
+     * @returns {boolean} Whether or not the tokens are on the same line.
+     * @public
+     */
+    isTokenOnSameLine(left, right) {
+        return left.loc.end.line === right.loc.start.line;
+    },
+
+    isNullOrUndefined,
+    isCallee,
+    isES5Constructor,
+    getUpperFunction,
+    isFunction,
+    isLoop,
+    isInLoop,
+    isArrayFromMethod,
+    isParenthesised,
+    createGlobalLinebreakMatcher,
+    equalTokens,
+
+    isArrowToken,
+    isClosingBraceToken,
+    isClosingBracketToken,
+    isClosingParenToken,
+    isColonToken,
+    isCommaToken,
+    isCommentToken,
+    isDotToken,
+    isKeywordToken,
+    isNotClosingBraceToken: negate(isClosingBraceToken),
+    isNotClosingBracketToken: negate(isClosingBracketToken),
+    isNotClosingParenToken: negate(isClosingParenToken),
+    isNotColonToken: negate(isColonToken),
+    isNotCommaToken: negate(isCommaToken),
+    isNotDotToken: negate(isDotToken),
+    isNotOpeningBraceToken: negate(isOpeningBraceToken),
+    isNotOpeningBracketToken: negate(isOpeningBracketToken),
+    isNotOpeningParenToken: negate(isOpeningParenToken),
+    isNotSemicolonToken: negate(isSemicolonToken),
+    isOpeningBraceToken,
+    isOpeningBracketToken,
+    isOpeningParenToken,
+    isSemicolonToken,
+
+    /**
+     * Checks whether or not a given node is a string literal.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} `true` if the node is a string literal.
+     */
+    isStringLiteral(node) {
+        return (
+            (node.type === "Literal" && typeof node.value === "string") ||
+            node.type === "TemplateLiteral"
+        );
+    },
+
+    /**
+     * Checks whether a given node is a breakable statement or not.
+     * The node is breakable if the node is one of the following type:
+     *
+     * - DoWhileStatement
+     * - ForInStatement
+     * - ForOfStatement
+     * - ForStatement
+     * - SwitchStatement
+     * - WhileStatement
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} `true` if the node is breakable.
+     */
+    isBreakableStatement(node) {
+        return breakableTypePattern.test(node.type);
+    },
+
+    /**
+     * Gets references which are non initializer and writable.
+     * @param {Reference[]} references An array of references.
+     * @returns {Reference[]} An array of only references which are non initializer and writable.
+     * @public
+     */
+    getModifyingReferences(references) {
+        return references.filter(isModifyingReference);
+    },
+
+    /**
+     * Validate that a string passed in is surrounded by the specified character
+     * @param  {string} val The text to check.
+     * @param  {string} character The character to see if it's surrounded by.
+     * @returns {boolean} True if the text is surrounded by the character, false if not.
+     * @private
+     */
+    isSurroundedBy(val, character) {
+        return val[0] === character && val[val.length - 1] === character;
+    },
+
+    /**
+     * Returns whether the provided node is an ESLint directive comment or not
+     * @param {Line|Block} node The comment token to be checked
+     * @returns {boolean} `true` if the node is an ESLint directive comment
+     */
+    isDirectiveComment(node) {
+        const comment = node.value.trim();
+
+        return (
+            node.type === "Line" && comment.indexOf("eslint-") === 0 ||
+            node.type === "Block" && (
+                comment.indexOf("global ") === 0 ||
+                comment.indexOf("eslint ") === 0 ||
+                comment.indexOf("eslint-") === 0
+            )
+        );
+    },
+
+    /**
+     * Gets the trailing statement of a given node.
+     *
+     *     if (code)
+     *         consequent;
+     *
+     * When taking this `IfStatement`, returns `consequent;` statement.
+     * @param {ASTNode} A node to get.
+     * @returns {ASTNode|null} The trailing statement's node.
+     */
+    getTrailingStatement: esutils.ast.trailingStatement,
+
+    /**
+     * Finds the variable by a given name in a given scope and its upper scopes.
+     * @param {eslint-scope.Scope} initScope A scope to start find.
+     * @param {string} name A variable name to find.
+     * @returns {eslint-scope.Variable|null} A found variable or `null`.
+     */
+    getVariableByName(initScope, name) {
+        let scope = initScope;
+
+        while (scope) {
+            const variable = scope.set.get(name);
+
+            if (variable) {
+                return variable;
+            }
+
+            scope = scope.upper;
+        }
+
+        return null;
+    },
+
+    /**
+     * Checks whether or not a given function node is the default `this` binding.
+     *
+     * First, this checks the node:
+     *
+     * - The function name does not start with uppercase. It's a convention to capitalize the names
+     *   of constructor functions. This check is not performed if `capIsConstructor` is set to `false`.
+     * - The function does not have a JSDoc comment that has a @this tag.
+     *
+     * Next, this checks the location of the node.
+     * If the location is below, this judges `this` is valid.
+     *
+     * - The location is not on an object literal.
+     * - The location is not assigned to a variable which starts with an uppercase letter. Applies to anonymous
+     *   functions only, as the name of the variable is considered to be the name of the function in this case.
+     *   This check is not performed if `capIsConstructor` is set to `false`.
+     * - The location is not on an ES2015 class.
+     * - Its `bind`/`call`/`apply` method is not called directly.
+     * - The function is not a callback of array methods (such as `.forEach()`) if `thisArg` is given.
+     * @param {ASTNode} node A function node to check.
+     * @param {SourceCode} sourceCode A SourceCode instance to get comments.
+     * @param {boolean} [capIsConstructor = true] `false` disables the assumption that functions which name starts
+     * with an uppercase or are assigned to a variable which name starts with an uppercase are constructors.
+     * @returns {boolean} The function node is the default `this` binding.
+     */
+    isDefaultThisBinding(node, sourceCode, { capIsConstructor = true } = {}) {
+        if (
+            (capIsConstructor && isES5Constructor(node)) ||
+            hasJSDocThisTag(node, sourceCode)
+        ) {
+            return false;
+        }
+        const isAnonymous = node.id === null;
+        let currentNode = node;
+
+        while (currentNode) {
+            const parent = currentNode.parent;
+
+            switch (parent.type) {
+
+                /*
+                 * Looks up the destination.
+                 * e.g., obj.foo = nativeFoo || function foo() { ... };
+                 */
+                case "LogicalExpression":
+                case "ConditionalExpression":
+                    currentNode = parent;
+                    break;
+
+                /*
+                 * If the upper function is IIFE, checks the destination of the return value.
+                 * e.g.
+                 *   obj.foo = (function() {
+                 *     // setup...
+                 *     return function foo() { ... };
+                 *   })();
+                 *   obj.foo = (() =>
+                 *     function foo() { ... }
+                 *   )();
+                 */
+                case "ReturnStatement": {
+                    const func = getUpperFunction(parent);
+
+                    if (func === null || !isCallee(func)) {
+                        return true;
+                    }
+                    currentNode = func.parent;
+                    break;
+                }
+                case "ArrowFunctionExpression":
+                    if (currentNode !== parent.body || !isCallee(parent)) {
+                        return true;
+                    }
+                    currentNode = parent.parent;
+                    break;
+
+                /*
+                 * e.g.
+                 *   var obj = { foo() { ... } };
+                 *   var obj = { foo: function() { ... } };
+                 *   class A { constructor() { ... } }
+                 *   class A { foo() { ... } }
+                 *   class A { get foo() { ... } }
+                 *   class A { set foo() { ... } }
+                 *   class A { static foo() { ... } }
+                 */
+                case "Property":
+                case "MethodDefinition":
+                    return parent.value !== currentNode;
+
+                /*
+                 * e.g.
+                 *   obj.foo = function foo() { ... };
+                 *   Foo = function() { ... };
+                 *   [obj.foo = function foo() { ... }] = a;
+                 *   [Foo = function() { ... }] = a;
+                 */
+                case "AssignmentExpression":
+                case "AssignmentPattern":
+                    if (parent.left.type === "MemberExpression") {
+                        return false;
+                    }
+                    if (
+                        capIsConstructor &&
+                        isAnonymous &&
+                        parent.left.type === "Identifier" &&
+                        startsWithUpperCase(parent.left.name)
+                    ) {
+                        return false;
+                    }
+                    return true;
+
+                /*
+                 * e.g.
+                 *   var Foo = function() { ... };
+                 */
+                case "VariableDeclarator":
+                    return !(
+                        capIsConstructor &&
+                        isAnonymous &&
+                        parent.init === currentNode &&
+                        parent.id.type === "Identifier" &&
+                        startsWithUpperCase(parent.id.name)
+                    );
+
+                /*
+                 * e.g.
+                 *   var foo = function foo() { ... }.bind(obj);
+                 *   (function foo() { ... }).call(obj);
+                 *   (function foo() { ... }).apply(obj, []);
+                 */
+                case "MemberExpression":
+                    return (
+                        parent.object !== currentNode ||
+                        parent.property.type !== "Identifier" ||
+                        !bindOrCallOrApplyPattern.test(parent.property.name) ||
+                        !isCallee(parent) ||
+                        parent.parent.arguments.length === 0 ||
+                        isNullOrUndefined(parent.parent.arguments[0])
+                    );
+
+                /*
+                 * e.g.
+                 *   Reflect.apply(function() {}, obj, []);
+                 *   Array.from([], function() {}, obj);
+                 *   list.forEach(function() {}, obj);
+                 */
+                case "CallExpression":
+                    if (isReflectApply(parent.callee)) {
+                        return (
+                            parent.arguments.length !== 3 ||
+                            parent.arguments[0] !== currentNode ||
+                            isNullOrUndefined(parent.arguments[1])
+                        );
+                    }
+                    if (isArrayFromMethod(parent.callee)) {
+                        return (
+                            parent.arguments.length !== 3 ||
+                            parent.arguments[1] !== currentNode ||
+                            isNullOrUndefined(parent.arguments[2])
+                        );
+                    }
+                    if (isMethodWhichHasThisArg(parent.callee)) {
+                        return (
+                            parent.arguments.length !== 2 ||
+                            parent.arguments[0] !== currentNode ||
+                            isNullOrUndefined(parent.arguments[1])
+                        );
+                    }
+                    return true;
+
+                // Otherwise `this` is default.
+                default:
+                    return true;
+            }
+        }
+
+        /* istanbul ignore next */
+        return true;
+    },
+
+    /**
+     * Get the precedence level based on the node type
+     * @param {ASTNode} node node to evaluate
+     * @returns {int} precedence level
+     * @private
+     */
+    getPrecedence(node) {
+        switch (node.type) {
+            case "SequenceExpression":
+                return 0;
+
+            case "AssignmentExpression":
+            case "ArrowFunctionExpression":
+            case "YieldExpression":
+                return 1;
+
+            case "ConditionalExpression":
+                return 3;
+
+            case "LogicalExpression":
+                switch (node.operator) {
+                    case "||":
+                        return 4;
+                    case "&&":
+                        return 5;
+
+                    // no default
+                }
+
+                /* falls through */
+
+            case "BinaryExpression":
+
+                switch (node.operator) {
+                    case "|":
+                        return 6;
+                    case "^":
+                        return 7;
+                    case "&":
+                        return 8;
+                    case "==":
+                    case "!=":
+                    case "===":
+                    case "!==":
+                        return 9;
+                    case "<":
+                    case "<=":
+                    case ">":
+                    case ">=":
+                    case "in":
+                    case "instanceof":
+                        return 10;
+                    case "<<":
+                    case ">>":
+                    case ">>>":
+                        return 11;
+                    case "+":
+                    case "-":
+                        return 12;
+                    case "*":
+                    case "/":
+                    case "%":
+                        return 13;
+                    case "**":
+                        return 15;
+
+                    // no default
+                }
+
+                /* falls through */
+
+            case "UnaryExpression":
+            case "AwaitExpression":
+                return 16;
+
+            case "UpdateExpression":
+                return 17;
+
+            case "CallExpression":
+            case "ImportExpression":
+                return 18;
+
+            case "NewExpression":
+                return 19;
+
+            default:
+                return 20;
+        }
+    },
+
+    /**
+     * Checks whether the given node is an empty block node or not.
+     * @param {ASTNode|null} node The node to check.
+     * @returns {boolean} `true` if the node is an empty block.
+     */
+    isEmptyBlock(node) {
+        return Boolean(node && node.type === "BlockStatement" && node.body.length === 0);
+    },
+
+    /**
+     * Checks whether the given node is an empty function node or not.
+     * @param {ASTNode|null} node The node to check.
+     * @returns {boolean} `true` if the node is an empty function.
+     */
+    isEmptyFunction(node) {
+        return isFunction(node) && module.exports.isEmptyBlock(node.body);
+    },
+
+    /**
+     * Returns the result of the string conversion applied to the evaluated value of the given expression node,
+     * if it can be determined statically.
+     *
+     * This function returns a `string` value for all `Literal` nodes and simple `TemplateLiteral` nodes only.
+     * In all other cases, this function returns `null`.
+     * @param {ASTNode} node Expression node.
+     * @returns {string|null} String value if it can be determined. Otherwise, `null`.
+     */
+    getStaticStringValue(node) {
+        switch (node.type) {
+            case "Literal":
+                if (node.value === null) {
+                    if (module.exports.isNullLiteral(node)) {
+                        return String(node.value); // "null"
+                    }
+                    if (node.regex) {
+                        return `/${node.regex.pattern}/${node.regex.flags}`;
+                    }
+                    if (node.bigint) {
+                        return node.bigint;
+                    }
+
+                    // Otherwise, this is an unknown literal. The function will return null.
+
+                } else {
+                    return String(node.value);
+                }
+                break;
+            case "TemplateLiteral":
+                if (node.expressions.length === 0 && node.quasis.length === 1) {
+                    return node.quasis[0].value.cooked;
+                }
+                break;
+
+            // no default
+        }
+
+        return null;
+    },
+
+    /**
+     * Gets the property name of a given node.
+     * The node can be a MemberExpression, a Property, or a MethodDefinition.
+     *
+     * If the name is dynamic, this returns `null`.
+     *
+     * For examples:
+     *
+     *     a.b           // => "b"
+     *     a["b"]        // => "b"
+     *     a['b']        // => "b"
+     *     a[`b`]        // => "b"
+     *     a[100]        // => "100"
+     *     a[b]          // => null
+     *     a["a" + "b"]  // => null
+     *     a[tag`b`]     // => null
+     *     a[`${b}`]     // => null
+     *
+     *     let a = {b: 1}            // => "b"
+     *     let a = {["b"]: 1}        // => "b"
+     *     let a = {['b']: 1}        // => "b"
+     *     let a = {[`b`]: 1}        // => "b"
+     *     let a = {[100]: 1}        // => "100"
+     *     let a = {[b]: 1}          // => null
+     *     let a = {["a" + "b"]: 1}  // => null
+     *     let a = {[tag`b`]: 1}     // => null
+     *     let a = {[`${b}`]: 1}     // => null
+     * @param {ASTNode} node The node to get.
+     * @returns {string|null} The property name if static. Otherwise, null.
+     */
+    getStaticPropertyName(node) {
+        let prop;
+
+        switch (node && node.type) {
+            case "Property":
+            case "MethodDefinition":
+                prop = node.key;
+                break;
+
+            case "MemberExpression":
+                prop = node.property;
+                break;
+
+            // no default
+        }
+
+        if (prop) {
+            if (prop.type === "Identifier" && !node.computed) {
+                return prop.name;
+            }
+
+            return module.exports.getStaticStringValue(prop);
+        }
+
+        return null;
+    },
+
+    /**
+     * Get directives from directive prologue of a Program or Function node.
+     * @param {ASTNode} node The node to check.
+     * @returns {ASTNode[]} The directives found in the directive prologue.
+     */
+    getDirectivePrologue(node) {
+        const directives = [];
+
+        // Directive prologues only occur at the top of files or functions.
+        if (
+            node.type === "Program" ||
+            node.type === "FunctionDeclaration" ||
+            node.type === "FunctionExpression" ||
+
+            /*
+             * Do not check arrow functions with implicit return.
+             * `() => "use strict";` returns the string `"use strict"`.
+             */
+            (node.type === "ArrowFunctionExpression" && node.body.type === "BlockStatement")
+        ) {
+            const statements = node.type === "Program" ? node.body : node.body.body;
+
+            for (const statement of statements) {
+                if (
+                    statement.type === "ExpressionStatement" &&
+                    statement.expression.type === "Literal"
+                ) {
+                    directives.push(statement);
+                } else {
+                    break;
+                }
+            }
+        }
+
+        return directives;
+    },
+
+
+    /**
+     * Determines whether this node is a decimal integer literal. If a node is a decimal integer literal, a dot added
+     * after the node will be parsed as a decimal point, rather than a property-access dot.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if this node is a decimal integer.
+     * @example
+     *
+     * 5       // true
+     * 5.      // false
+     * 5.0     // false
+     * 05      // false
+     * 0x5     // false
+     * 0b101   // false
+     * 0o5     // false
+     * 5e0     // false
+     * '5'     // false
+     * 5n      // false
+     */
+    isDecimalInteger(node) {
+        return node.type === "Literal" && typeof node.value === "number" &&
+            DECIMAL_INTEGER_PATTERN.test(node.raw);
+    },
+
+    /**
+     * Determines whether this token is a decimal integer numeric token.
+     * This is similar to isDecimalInteger(), but for tokens.
+     * @param {Token} token The token to check.
+     * @returns {boolean} `true` if this token is a decimal integer.
+     */
+    isDecimalIntegerNumericToken(token) {
+        return token.type === "Numeric" && DECIMAL_INTEGER_PATTERN.test(token.value);
+    },
+
+    /**
+     * Gets the name and kind of the given function node.
+     *
+     * - `function foo() {}`  .................... `function 'foo'`
+     * - `(function foo() {})`  .................. `function 'foo'`
+     * - `(function() {})`  ...................... `function`
+     * - `function* foo() {}`  ................... `generator function 'foo'`
+     * - `(function* foo() {})`  ................. `generator function 'foo'`
+     * - `(function*() {})`  ..................... `generator function`
+     * - `() => {}`  ............................. `arrow function`
+     * - `async () => {}`  ....................... `async arrow function`
+     * - `({ foo: function foo() {} })`  ......... `method 'foo'`
+     * - `({ foo: function() {} })`  ............. `method 'foo'`
+     * - `({ ['foo']: function() {} })`  ......... `method 'foo'`
+     * - `({ [foo]: function() {} })`  ........... `method`
+     * - `({ foo() {} })`  ....................... `method 'foo'`
+     * - `({ foo: function* foo() {} })`  ........ `generator method 'foo'`
+     * - `({ foo: function*() {} })`  ............ `generator method 'foo'`
+     * - `({ ['foo']: function*() {} })`  ........ `generator method 'foo'`
+     * - `({ [foo]: function*() {} })`  .......... `generator method`
+     * - `({ *foo() {} })`  ...................... `generator method 'foo'`
+     * - `({ foo: async function foo() {} })`  ... `async method 'foo'`
+     * - `({ foo: async function() {} })`  ....... `async method 'foo'`
+     * - `({ ['foo']: async function() {} })`  ... `async method 'foo'`
+     * - `({ [foo]: async function() {} })`  ..... `async method`
+     * - `({ async foo() {} })`  ................. `async method 'foo'`
+     * - `({ get foo() {} })`  ................... `getter 'foo'`
+     * - `({ set foo(a) {} })`  .................. `setter 'foo'`
+     * - `class A { constructor() {} }`  ......... `constructor`
+     * - `class A { foo() {} }`  ................. `method 'foo'`
+     * - `class A { *foo() {} }`  ................ `generator method 'foo'`
+     * - `class A { async foo() {} }`  ........... `async method 'foo'`
+     * - `class A { ['foo']() {} }`  ............. `method 'foo'`
+     * - `class A { *['foo']() {} }`  ............ `generator method 'foo'`
+     * - `class A { async ['foo']() {} }`  ....... `async method 'foo'`
+     * - `class A { [foo]() {} }`  ............... `method`
+     * - `class A { *[foo]() {} }`  .............. `generator method`
+     * - `class A { async [foo]() {} }`  ......... `async method`
+     * - `class A { get foo() {} }`  ............. `getter 'foo'`
+     * - `class A { set foo(a) {} }`  ............ `setter 'foo'`
+     * - `class A { static foo() {} }`  .......... `static method 'foo'`
+     * - `class A { static *foo() {} }`  ......... `static generator method 'foo'`
+     * - `class A { static async foo() {} }`  .... `static async method 'foo'`
+     * - `class A { static get foo() {} }`  ...... `static getter 'foo'`
+     * - `class A { static set foo(a) {} }`  ..... `static setter 'foo'`
+     * @param {ASTNode} node The function node to get.
+     * @returns {string} The name and kind of the function node.
+     */
+    getFunctionNameWithKind(node) {
+        const parent = node.parent;
+        const tokens = [];
+
+        if (parent.type === "MethodDefinition" && parent.static) {
+            tokens.push("static");
+        }
+        if (node.async) {
+            tokens.push("async");
+        }
+        if (node.generator) {
+            tokens.push("generator");
+        }
+
+        if (node.type === "ArrowFunctionExpression") {
+            tokens.push("arrow", "function");
+        } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+            if (parent.kind === "constructor") {
+                return "constructor";
+            }
+            if (parent.kind === "get") {
+                tokens.push("getter");
+            } else if (parent.kind === "set") {
+                tokens.push("setter");
+            } else {
+                tokens.push("method");
+            }
+        } else {
+            tokens.push("function");
+        }
+
+        if (node.id) {
+            tokens.push(`'${node.id.name}'`);
+        } else {
+            const name = module.exports.getStaticPropertyName(parent);
+
+            if (name !== null) {
+                tokens.push(`'${name}'`);
+            }
+        }
+
+        return tokens.join(" ");
+    },
+
+    /**
+     * Gets the location of the given function node for reporting.
+     *
+     * - `function foo() {}`
+     *    ^^^^^^^^^^^^
+     * - `(function foo() {})`
+     *     ^^^^^^^^^^^^
+     * - `(function() {})`
+     *     ^^^^^^^^
+     * - `function* foo() {}`
+     *    ^^^^^^^^^^^^^
+     * - `(function* foo() {})`
+     *     ^^^^^^^^^^^^^
+     * - `(function*() {})`
+     *     ^^^^^^^^^
+     * - `() => {}`
+     *       ^^
+     * - `async () => {}`
+     *             ^^
+     * - `({ foo: function foo() {} })`
+     *       ^^^^^^^^^^^^^^^^^
+     * - `({ foo: function() {} })`
+     *       ^^^^^^^^^^^^^
+     * - `({ ['foo']: function() {} })`
+     *       ^^^^^^^^^^^^^^^^^
+     * - `({ [foo]: function() {} })`
+     *       ^^^^^^^^^^^^^^^
+     * - `({ foo() {} })`
+     *       ^^^
+     * - `({ foo: function* foo() {} })`
+     *       ^^^^^^^^^^^^^^^^^^
+     * - `({ foo: function*() {} })`
+     *       ^^^^^^^^^^^^^^
+     * - `({ ['foo']: function*() {} })`
+     *       ^^^^^^^^^^^^^^^^^^
+     * - `({ [foo]: function*() {} })`
+     *       ^^^^^^^^^^^^^^^^
+     * - `({ *foo() {} })`
+     *       ^^^^
+     * - `({ foo: async function foo() {} })`
+     *       ^^^^^^^^^^^^^^^^^^^^^^^
+     * - `({ foo: async function() {} })`
+     *       ^^^^^^^^^^^^^^^^^^^
+     * - `({ ['foo']: async function() {} })`
+     *       ^^^^^^^^^^^^^^^^^^^^^^^
+     * - `({ [foo]: async function() {} })`
+     *       ^^^^^^^^^^^^^^^^^^^^^
+     * - `({ async foo() {} })`
+     *       ^^^^^^^^^
+     * - `({ get foo() {} })`
+     *       ^^^^^^^
+     * - `({ set foo(a) {} })`
+     *       ^^^^^^^
+     * - `class A { constructor() {} }`
+     *              ^^^^^^^^^^^
+     * - `class A { foo() {} }`
+     *              ^^^
+     * - `class A { *foo() {} }`
+     *              ^^^^
+     * - `class A { async foo() {} }`
+     *              ^^^^^^^^^
+     * - `class A { ['foo']() {} }`
+     *              ^^^^^^^
+     * - `class A { *['foo']() {} }`
+     *              ^^^^^^^^
+     * - `class A { async ['foo']() {} }`
+     *              ^^^^^^^^^^^^^
+     * - `class A { [foo]() {} }`
+     *              ^^^^^
+     * - `class A { *[foo]() {} }`
+     *              ^^^^^^
+     * - `class A { async [foo]() {} }`
+     *              ^^^^^^^^^^^
+     * - `class A { get foo() {} }`
+     *              ^^^^^^^
+     * - `class A { set foo(a) {} }`
+     *              ^^^^^^^
+     * - `class A { static foo() {} }`
+     *              ^^^^^^^^^^
+     * - `class A { static *foo() {} }`
+     *              ^^^^^^^^^^^
+     * - `class A { static async foo() {} }`
+     *              ^^^^^^^^^^^^^^^^
+     * - `class A { static get foo() {} }`
+     *              ^^^^^^^^^^^^^^
+     * - `class A { static set foo(a) {} }`
+     *              ^^^^^^^^^^^^^^
+     * @param {ASTNode} node The function node to get.
+     * @param {SourceCode} sourceCode The source code object to get tokens.
+     * @returns {string} The location of the function node for reporting.
+     */
+    getFunctionHeadLoc(node, sourceCode) {
+        const parent = node.parent;
+        let start = null;
+        let end = null;
+
+        if (node.type === "ArrowFunctionExpression") {
+            const arrowToken = sourceCode.getTokenBefore(node.body, isArrowToken);
+
+            start = arrowToken.loc.start;
+            end = arrowToken.loc.end;
+        } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+            start = parent.loc.start;
+            end = getOpeningParenOfParams(node, sourceCode).loc.start;
+        } else {
+            start = node.loc.start;
+            end = getOpeningParenOfParams(node, sourceCode).loc.start;
+        }
+
+        return {
+            start: Object.assign({}, start),
+            end: Object.assign({}, end)
+        };
+    },
+
+    /**
+     * Gets next location when the result is not out of bound, otherwise returns null.
+     * @param {SourceCode} sourceCode The sourceCode
+     * @param {{line: number, column: number}} location The location
+     * @returns {{line: number, column: number} | null} Next location
+     */
+    getNextLocation(sourceCode, location) {
+        const index = sourceCode.getIndexFromLoc(location);
+
+        // Avoid out of bound location
+        if (index + 1 > sourceCode.text.length) {
+            return null;
+        }
+
+        return sourceCode.getLocFromIndex(index + 1);
+    },
+
+    /**
+     * Gets the parenthesized text of a node. This is similar to sourceCode.getText(node), but it also includes any parentheses
+     * surrounding the node.
+     * @param {SourceCode} sourceCode The source code object
+     * @param {ASTNode} node An expression node
+     * @returns {string} The text representing the node, with all surrounding parentheses included
+     */
+    getParenthesisedText(sourceCode, node) {
+        let leftToken = sourceCode.getFirstToken(node);
+        let rightToken = sourceCode.getLastToken(node);
+
+        while (
+            sourceCode.getTokenBefore(leftToken) &&
+            sourceCode.getTokenBefore(leftToken).type === "Punctuator" &&
+            sourceCode.getTokenBefore(leftToken).value === "(" &&
+            sourceCode.getTokenAfter(rightToken) &&
+            sourceCode.getTokenAfter(rightToken).type === "Punctuator" &&
+            sourceCode.getTokenAfter(rightToken).value === ")"
+        ) {
+            leftToken = sourceCode.getTokenBefore(leftToken);
+            rightToken = sourceCode.getTokenAfter(rightToken);
+        }
+
+        return sourceCode.getText().slice(leftToken.range[0], rightToken.range[1]);
+    },
+
+    /*
+     * Determine if a node has a possiblity to be an Error object
+     * @param  {ASTNode} node  ASTNode to check
+     * @returns {boolean} True if there is a chance it contains an Error obj
+     */
+    couldBeError(node) {
+        switch (node.type) {
+            case "Identifier":
+            case "CallExpression":
+            case "NewExpression":
+            case "MemberExpression":
+            case "TaggedTemplateExpression":
+            case "YieldExpression":
+            case "AwaitExpression":
+                return true; // possibly an error object.
+
+            case "AssignmentExpression":
+                return module.exports.couldBeError(node.right);
+
+            case "SequenceExpression": {
+                const exprs = node.expressions;
+
+                return exprs.length !== 0 && module.exports.couldBeError(exprs[exprs.length - 1]);
+            }
+
+            case "LogicalExpression":
+                return module.exports.couldBeError(node.left) || module.exports.couldBeError(node.right);
+
+            case "ConditionalExpression":
+                return module.exports.couldBeError(node.consequent) || module.exports.couldBeError(node.alternate);
+
+            default:
+                return false;
+        }
+    },
+
+    /**
+     * Determines whether the given node is a `null` literal.
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} `true` if the node is a `null` literal
+     */
+    isNullLiteral(node) {
+
+        /*
+         * Checking `node.value === null` does not guarantee that a literal is a null literal.
+         * When parsing values that cannot be represented in the current environment (e.g. unicode
+         * regexes in Node 4), `node.value` is set to `null` because it wouldn't be possible to
+         * set `node.value` to a unicode regex. To make sure a literal is actually `null`, check
+         * `node.regex` instead. Also see: https://github.com/eslint/eslint/issues/8020
+         */
+        return node.type === "Literal" && node.value === null && !node.regex && !node.bigint;
+    },
+
+    /**
+     * Check if a given node is a numeric literal or not.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if the node is a number or bigint literal.
+     */
+    isNumericLiteral(node) {
+        return (
+            node.type === "Literal" &&
+            (typeof node.value === "number" || Boolean(node.bigint))
+        );
+    },
+
+    /**
+     * Determines whether two tokens can safely be placed next to each other without merging into a single token
+     * @param {Token|string} leftValue The left token. If this is a string, it will be tokenized and the last token will be used.
+     * @param {Token|string} rightValue The right token. If this is a string, it will be tokenized and the first token will be used.
+     * @returns {boolean} If the tokens cannot be safely placed next to each other, returns `false`. If the tokens can be placed
+     * next to each other, behavior is undefined (although it should return `true` in most cases).
+     */
+    canTokensBeAdjacent(leftValue, rightValue) {
+        const espreeOptions = {
+            ecmaVersion: espree.latestEcmaVersion,
+            comment: true,
+            range: true
+        };
+
+        let leftToken;
+
+        if (typeof leftValue === "string") {
+            let tokens;
+
+            try {
+                tokens = espree.tokenize(leftValue, espreeOptions);
+            } catch (e) {
+                return false;
+            }
+
+            const comments = tokens.comments;
+
+            leftToken = tokens[tokens.length - 1];
+            if (comments.length) {
+                const lastComment = comments[comments.length - 1];
+
+                if (lastComment.range[0] > leftToken.range[0]) {
+                    leftToken = lastComment;
+                }
+            }
+        } else {
+            leftToken = leftValue;
+        }
+
+        if (leftToken.type === "Shebang") {
+            return false;
+        }
+
+        let rightToken;
+
+        if (typeof rightValue === "string") {
+            let tokens;
+
+            try {
+                tokens = espree.tokenize(rightValue, espreeOptions);
+            } catch (e) {
+                return false;
+            }
+
+            const comments = tokens.comments;
+
+            rightToken = tokens[0];
+            if (comments.length) {
+                const firstComment = comments[0];
+
+                if (firstComment.range[0] < rightToken.range[0]) {
+                    rightToken = firstComment;
+                }
+            }
+        } else {
+            rightToken = rightValue;
+        }
+
+        if (leftToken.type === "Punctuator" || rightToken.type === "Punctuator") {
+            if (leftToken.type === "Punctuator" && rightToken.type === "Punctuator") {
+                const PLUS_TOKENS = new Set(["+", "++"]);
+                const MINUS_TOKENS = new Set(["-", "--"]);
+
+                return !(
+                    PLUS_TOKENS.has(leftToken.value) && PLUS_TOKENS.has(rightToken.value) ||
+                    MINUS_TOKENS.has(leftToken.value) && MINUS_TOKENS.has(rightToken.value)
+                );
+            }
+            if (leftToken.type === "Punctuator" && leftToken.value === "/") {
+                return !["Block", "Line", "RegularExpression"].includes(rightToken.type);
+            }
+            return true;
+        }
+
+        if (
+            leftToken.type === "String" || rightToken.type === "String" ||
+            leftToken.type === "Template" || rightToken.type === "Template"
+        ) {
+            return true;
+        }
+
+        if (leftToken.type !== "Numeric" && rightToken.type === "Numeric" && rightToken.value.startsWith(".")) {
+            return true;
+        }
+
+        if (leftToken.type === "Block" || rightToken.type === "Block" || rightToken.type === "Line") {
+            return true;
+        }
+
+        return false;
+    },
+
+    /**
+     * Get the `loc` object of a given name in a `/*globals` directive comment.
+     * @param {SourceCode} sourceCode The source code to convert index to loc.
+     * @param {Comment} comment The `/*globals` directive comment which include the name.
+     * @param {string} name The name to find.
+     * @returns {SourceLocation} The `loc` object.
+     */
+    getNameLocationInGlobalDirectiveComment(sourceCode, comment, name) {
+        const namePattern = new RegExp(`[\\s,]${lodash.escapeRegExp(name)}(?:$|[\\s,:])`, "gu");
+
+        // To ignore the first text "global".
+        namePattern.lastIndex = comment.value.indexOf("global") + 6;
+
+        // Search a given variable name.
+        const match = namePattern.exec(comment.value);
+
+        // Convert the index to loc.
+        const start = sourceCode.getLocFromIndex(
+            comment.range[0] +
+            "/*".length +
+            (match ? match.index + 1 : 0)
+        );
+        const end = {
+            line: start.line,
+            column: start.column + (match ? name.length : 1)
+        };
+
+        return { start, end };
+    },
+
+    /**
+     * Determines whether the given raw string contains an octal escape sequence.
+     *
+     * "\1", "\2" ... "\7"
+     * "\00", "\01" ... "\09"
+     *
+     * "\0", when not followed by a digit, is not an octal escape sequence.
+     * @param {string} rawString A string in its raw representation.
+     * @returns {boolean} `true` if the string contains at least one octal escape sequence.
+     */
+    hasOctalEscapeSequence(rawString) {
+        return OCTAL_ESCAPE_PATTERN.test(rawString);
+    }
+};
diff --git a/eslint/lib/rules/utils/fix-tracker.js b/eslint/lib/rules/utils/fix-tracker.js
new file mode 100644
index 0000000..589870b
--- /dev/null
+++ b/eslint/lib/rules/utils/fix-tracker.js
@@ -0,0 +1,114 @@
+/**
+ * @fileoverview Helper class to aid in constructing fix commands.
+ * @author Alan Pierce
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./ast-utils");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A helper class to combine fix options into a fix command. Currently, it
+ * exposes some "retain" methods that extend the range of the text being
+ * replaced so that other fixes won't touch that region in the same pass.
+ */
+class FixTracker {
+
+    /**
+     * Create a new FixTracker.
+     * @param {ruleFixer} fixer A ruleFixer instance.
+     * @param {SourceCode} sourceCode A SourceCode object for the current code.
+     */
+    constructor(fixer, sourceCode) {
+        this.fixer = fixer;
+        this.sourceCode = sourceCode;
+        this.retainedRange = null;
+    }
+
+    /**
+     * Mark the given range as "retained", meaning that other fixes may not
+     * may not modify this region in the same pass.
+     * @param {int[]} range The range to retain.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainRange(range) {
+        this.retainedRange = range;
+        return this;
+    }
+
+    /**
+     * Given a node, find the function containing it (or the entire program) and
+     * mark it as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that modify control
+     * flow.
+     * @param {ASTNode} node The node to use as a starting point.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainEnclosingFunction(node) {
+        const functionNode = astUtils.getUpperFunction(node);
+
+        return this.retainRange(functionNode ? functionNode.range : this.sourceCode.ast.range);
+    }
+
+    /**
+     * Given a node or token, find the token before and afterward, and mark that
+     * range as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that make a small
+     * change to the code where the AST should not be changed.
+     * @param {ASTNode|Token} nodeOrToken The node or token to use as a starting
+     *      point. The token to the left and right are use in the range.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainSurroundingTokens(nodeOrToken) {
+        const tokenBefore = this.sourceCode.getTokenBefore(nodeOrToken) || nodeOrToken;
+        const tokenAfter = this.sourceCode.getTokenAfter(nodeOrToken) || nodeOrToken;
+
+        return this.retainRange([tokenBefore.range[0], tokenAfter.range[1]]);
+    }
+
+    /**
+     * Create a fix command that replaces the given range with the given text,
+     * accounting for any retained ranges.
+     * @param {int[]} range The range to remove in the fix.
+     * @param {string} text The text to insert in place of the range.
+     * @returns {Object} The fix command.
+     */
+    replaceTextRange(range, text) {
+        let actualRange;
+
+        if (this.retainedRange) {
+            actualRange = [
+                Math.min(this.retainedRange[0], range[0]),
+                Math.max(this.retainedRange[1], range[1])
+            ];
+        } else {
+            actualRange = range;
+        }
+
+        return this.fixer.replaceTextRange(
+            actualRange,
+            this.sourceCode.text.slice(actualRange[0], range[0]) +
+                text +
+                this.sourceCode.text.slice(range[1], actualRange[1])
+        );
+    }
+
+    /**
+     * Create a fix command that removes the given node or token, accounting for
+     * any retained ranges.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @returns {Object} The fix command.
+     */
+    remove(nodeOrToken) {
+        return this.replaceTextRange(nodeOrToken.range, "");
+    }
+}
+
+module.exports = FixTracker;
diff --git a/eslint/lib/rules/utils/keywords.js b/eslint/lib/rules/utils/keywords.js
new file mode 100644
index 0000000..3fbb777
--- /dev/null
+++ b/eslint/lib/rules/utils/keywords.js
@@ -0,0 +1,67 @@
+/**
+ * @fileoverview A shared list of ES3 keywords.
+ * @author Josh Perez
+ */
+"use strict";
+
+module.exports = [
+    "abstract",
+    "boolean",
+    "break",
+    "byte",
+    "case",
+    "catch",
+    "char",
+    "class",
+    "const",
+    "continue",
+    "debugger",
+    "default",
+    "delete",
+    "do",
+    "double",
+    "else",
+    "enum",
+    "export",
+    "extends",
+    "false",
+    "final",
+    "finally",
+    "float",
+    "for",
+    "function",
+    "goto",
+    "if",
+    "implements",
+    "import",
+    "in",
+    "instanceof",
+    "int",
+    "interface",
+    "long",
+    "native",
+    "new",
+    "null",
+    "package",
+    "private",
+    "protected",
+    "public",
+    "return",
+    "short",
+    "static",
+    "super",
+    "switch",
+    "synchronized",
+    "this",
+    "throw",
+    "throws",
+    "transient",
+    "true",
+    "try",
+    "typeof",
+    "var",
+    "void",
+    "volatile",
+    "while",
+    "with"
+];
diff --git a/eslint/lib/rules/utils/lazy-loading-rule-map.js b/eslint/lib/rules/utils/lazy-loading-rule-map.js
new file mode 100644
index 0000000..d426d85
--- /dev/null
+++ b/eslint/lib/rules/utils/lazy-loading-rule-map.js
@@ -0,0 +1,115 @@
+/**
+ * @fileoverview `Map` to load rules lazily.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const debug = require("debug")("eslint:rules");
+
+/** @typedef {import("./types").Rule} Rule */
+
+/**
+ * The `Map` object that loads each rule when it's accessed.
+ * @example
+ * const rules = new LazyLoadingRuleMap([
+ *     ["eqeqeq", () => require("eqeqeq")],
+ *     ["semi", () => require("semi")],
+ *     ["no-unused-vars", () => require("no-unused-vars")],
+ * ])
+ *
+ * rules.get("semi") // call `() => require("semi")` here.
+ *
+ * @extends {Map<string, () => Rule>}
+ */
+class LazyLoadingRuleMap extends Map {
+
+    /**
+     * Initialize this map.
+     * @param {Array<[string, function(): Rule]>} loaders The rule loaders.
+     */
+    constructor(loaders) {
+        let remaining = loaders.length;
+
+        super(
+            debug.enabled
+                ? loaders.map(([ruleId, load]) => {
+                    let cache = null;
+
+                    return [
+                        ruleId,
+                        () => {
+                            if (!cache) {
+                                debug("Loading rule %o (remaining=%d)", ruleId, --remaining);
+                                cache = load();
+                            }
+                            return cache;
+                        }
+                    ];
+                })
+                : loaders
+        );
+
+        // `super(...iterable)` uses `this.set()`, so disable it here.
+        Object.defineProperty(LazyLoadingRuleMap.prototype, "set", {
+            configurable: true,
+            value: void 0
+        });
+    }
+
+    /**
+     * Get a rule.
+     * Each rule will be loaded on the first access.
+     * @param {string} ruleId The rule ID to get.
+     * @returns {Rule|undefined} The rule.
+     */
+    get(ruleId) {
+        const load = super.get(ruleId);
+
+        return load && load();
+    }
+
+    /**
+     * Iterate rules.
+     * @returns {IterableIterator<Rule>} Rules.
+     */
+    *values() {
+        for (const load of super.values()) {
+            yield load();
+        }
+    }
+
+    /**
+     * Iterate rules.
+     * @returns {IterableIterator<[string, Rule]>} Rules.
+     */
+    *entries() {
+        for (const [ruleId, load] of super.entries()) {
+            yield [ruleId, load()];
+        }
+    }
+
+    /**
+     * Call a function with each rule.
+     * @param {Function} callbackFn The callback function.
+     * @param {any} [thisArg] The object to pass to `this` of the callback function.
+     * @returns {void}
+     */
+    forEach(callbackFn, thisArg) {
+        for (const [ruleId, load] of super.entries()) {
+            callbackFn.call(thisArg, load(), ruleId, this);
+        }
+    }
+}
+
+// Forbid mutation.
+Object.defineProperties(LazyLoadingRuleMap.prototype, {
+    clear: { configurable: true, value: void 0 },
+    delete: { configurable: true, value: void 0 },
+    [Symbol.iterator]: {
+        configurable: true,
+        writable: true,
+        value: LazyLoadingRuleMap.prototype.entries
+    }
+});
+
+module.exports = { LazyLoadingRuleMap };
diff --git a/eslint/lib/rules/utils/patterns/letters.js b/eslint/lib/rules/utils/patterns/letters.js
new file mode 100644
index 0000000..9bb2de3
--- /dev/null
+++ b/eslint/lib/rules/utils/patterns/letters.js
@@ -0,0 +1,36 @@
+/**
+ * @fileoverview Pattern for detecting any letter (even letters outside of ASCII).
+ * NOTE: This file was generated using this script in JSCS based on the Unicode 7.0.0 standard: https://github.com/jscs-dev/node-jscs/blob/f5ed14427deb7e7aac84f3056a5aab2d9f3e563e/publish/helpers/generate-patterns.js
+ * Do not edit this file by hand-- please use https://github.com/mathiasbynens/regenerate to regenerate the regular expression exported from this file.
+ * @author Kevin Partington
+ * @license MIT License (from JSCS). See below.
+ */
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright 2013-2016 Dulin Marat and other contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+"use strict";
+
+module.exports = 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diff --git a/eslint/lib/rules/utils/unicode/index.js b/eslint/lib/rules/utils/unicode/index.js
new file mode 100644
index 0000000..02eea50
--- /dev/null
+++ b/eslint/lib/rules/utils/unicode/index.js
@@ -0,0 +1,11 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+module.exports = {
+    isCombiningCharacter: require("./is-combining-character"),
+    isEmojiModifier: require("./is-emoji-modifier"),
+    isRegionalIndicatorSymbol: require("./is-regional-indicator-symbol"),
+    isSurrogatePair: require("./is-surrogate-pair")
+};
diff --git a/eslint/lib/rules/utils/unicode/is-combining-character.js b/eslint/lib/rules/utils/unicode/is-combining-character.js
new file mode 100644
index 0000000..0498b99
--- /dev/null
+++ b/eslint/lib/rules/utils/unicode/is-combining-character.js
@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is a combining mark or not.
+ * @param {number} codePoint The character code to check.
+ * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`.
+ */
+module.exports = function isCombiningCharacter(codePoint) {
+    return /^[\p{Mc}\p{Me}\p{Mn}]$/u.test(String.fromCodePoint(codePoint));
+};
diff --git a/eslint/lib/rules/utils/unicode/is-emoji-modifier.js b/eslint/lib/rules/utils/unicode/is-emoji-modifier.js
new file mode 100644
index 0000000..1bd5f55
--- /dev/null
+++ b/eslint/lib/rules/utils/unicode/is-emoji-modifier.js
@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is an emoji modifier.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is an emoji modifier.
+ */
+module.exports = function isEmojiModifier(code) {
+    return code >= 0x1F3FB && code <= 0x1F3FF;
+};
diff --git a/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js b/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js
new file mode 100644
index 0000000..c48ed46
--- /dev/null
+++ b/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js
@@ -0,0 +1,13 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether a given character is a regional indicator symbol.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is a regional indicator symbol.
+ */
+module.exports = function isRegionalIndicatorSymbol(code) {
+    return code >= 0x1F1E6 && code <= 0x1F1FF;
+};
diff --git a/eslint/lib/rules/utils/unicode/is-surrogate-pair.js b/eslint/lib/rules/utils/unicode/is-surrogate-pair.js
new file mode 100644
index 0000000..b8e5c1c
--- /dev/null
+++ b/eslint/lib/rules/utils/unicode/is-surrogate-pair.js
@@ -0,0 +1,14 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/**
+ * Check whether given two characters are a surrogate pair.
+ * @param {number} lead The code of the lead character.
+ * @param {number} tail The code of the tail character.
+ * @returns {boolean} `true` if the character pair is a surrogate pair.
+ */
+module.exports = function isSurrogatePair(lead, tail) {
+    return lead >= 0xD800 && lead < 0xDC00 && tail >= 0xDC00 && tail < 0xE000;
+};
diff --git a/eslint/lib/rules/valid-jsdoc.js b/eslint/lib/rules/valid-jsdoc.js
new file mode 100644
index 0000000..9ec6938
--- /dev/null
+++ b/eslint/lib/rules/valid-jsdoc.js
@@ -0,0 +1,515 @@
+/**
+ * @fileoverview Validates JSDoc comments are syntactically correct
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const doctrine = require("doctrine");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce valid JSDoc comments",
+            category: "Possible Errors",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/valid-jsdoc"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    prefer: {
+                        type: "object",
+                        additionalProperties: {
+                            type: "string"
+                        }
+                    },
+                    preferType: {
+                        type: "object",
+                        additionalProperties: {
+                            type: "string"
+                        }
+                    },
+                    requireReturn: {
+                        type: "boolean",
+                        default: true
+                    },
+                    requireParamDescription: {
+                        type: "boolean",
+                        default: true
+                    },
+                    requireReturnDescription: {
+                        type: "boolean",
+                        default: true
+                    },
+                    matchDescription: {
+                        type: "string"
+                    },
+                    requireReturnType: {
+                        type: "boolean",
+                        default: true
+                    },
+                    requireParamType: {
+                        type: "boolean",
+                        default: true
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+        messages: {
+            unexpectedTag: "Unexpected @{{title}} tag; function has no return statement.",
+            expected: "Expected JSDoc for '{{name}}' but found '{{jsdocName}}'.",
+            use: "Use @{{name}} instead.",
+            useType: "Use '{{expectedTypeName}}' instead of '{{currentTypeName}}'.",
+            syntaxError: "JSDoc syntax error.",
+            missingBrace: "JSDoc type missing brace.",
+            missingParamDesc: "Missing JSDoc parameter description for '{{name}}'.",
+            missingParamType: "Missing JSDoc parameter type for '{{name}}'.",
+            missingReturnType: "Missing JSDoc return type.",
+            missingReturnDesc: "Missing JSDoc return description.",
+            missingReturn: "Missing JSDoc @{{returns}} for function.",
+            missingParam: "Missing JSDoc for parameter '{{name}}'.",
+            duplicateParam: "Duplicate JSDoc parameter '{{name}}'.",
+            unsatisfiedDesc: "JSDoc description does not satisfy the regex pattern."
+        },
+
+        deprecated: true,
+        replacedBy: []
+    },
+
+    create(context) {
+
+        const options = context.options[0] || {},
+            prefer = options.prefer || {},
+            sourceCode = context.getSourceCode(),
+
+            // these both default to true, so you have to explicitly make them false
+            requireReturn = options.requireReturn !== false,
+            requireParamDescription = options.requireParamDescription !== false,
+            requireReturnDescription = options.requireReturnDescription !== false,
+            requireReturnType = options.requireReturnType !== false,
+            requireParamType = options.requireParamType !== false,
+            preferType = options.preferType || {},
+            checkPreferType = Object.keys(preferType).length !== 0;
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // Using a stack to store if a function returns or not (handling nested functions)
+        const fns = [];
+
+        /**
+         * Check if node type is a Class
+         * @param {ASTNode} node node to check.
+         * @returns {boolean} True is its a class
+         * @private
+         */
+        function isTypeClass(node) {
+            return node.type === "ClassExpression" || node.type === "ClassDeclaration";
+        }
+
+        /**
+         * When parsing a new function, store it in our function stack.
+         * @param {ASTNode} node A function node to check.
+         * @returns {void}
+         * @private
+         */
+        function startFunction(node) {
+            fns.push({
+                returnPresent: (node.type === "ArrowFunctionExpression" && node.body.type !== "BlockStatement") ||
+                    isTypeClass(node) || node.async
+            });
+        }
+
+        /**
+         * Indicate that return has been found in the current function.
+         * @param {ASTNode} node The return node.
+         * @returns {void}
+         * @private
+         */
+        function addReturn(node) {
+            const functionState = fns[fns.length - 1];
+
+            if (functionState && node.argument !== null) {
+                functionState.returnPresent = true;
+            }
+        }
+
+        /**
+         * Check if return tag type is void or undefined
+         * @param {Object} tag JSDoc tag
+         * @returns {boolean} True if its of type void or undefined
+         * @private
+         */
+        function isValidReturnType(tag) {
+            return tag.type === null || tag.type.name === "void" || tag.type.type === "UndefinedLiteral";
+        }
+
+        /**
+         * Check if type should be validated based on some exceptions
+         * @param {Object} type JSDoc tag
+         * @returns {boolean} True if it can be validated
+         * @private
+         */
+        function canTypeBeValidated(type) {
+            return type !== "UndefinedLiteral" && // {undefined} as there is no name property available.
+                   type !== "NullLiteral" && // {null}
+                   type !== "NullableLiteral" && // {?}
+                   type !== "FunctionType" && // {function(a)}
+                   type !== "AllLiteral"; // {*}
+        }
+
+        /**
+         * Extract the current and expected type based on the input type object
+         * @param {Object} type JSDoc tag
+         * @returns {{currentType: Doctrine.Type, expectedTypeName: string}} The current type annotation and
+         * the expected name of the annotation
+         * @private
+         */
+        function getCurrentExpectedTypes(type) {
+            let currentType;
+
+            if (type.name) {
+                currentType = type;
+            } else if (type.expression) {
+                currentType = type.expression;
+            }
+
+            return {
+                currentType,
+                expectedTypeName: currentType && preferType[currentType.name]
+            };
+        }
+
+        /**
+         * Gets the location of a JSDoc node in a file
+         * @param {Token} jsdocComment The comment that this node is parsed from
+         * @param {{range: number[]}} parsedJsdocNode A tag or other node which was parsed from this comment
+         * @returns {{start: SourceLocation, end: SourceLocation}} The 0-based source location for the tag
+         */
+        function getAbsoluteRange(jsdocComment, parsedJsdocNode) {
+            return {
+                start: sourceCode.getLocFromIndex(jsdocComment.range[0] + 2 + parsedJsdocNode.range[0]),
+                end: sourceCode.getLocFromIndex(jsdocComment.range[0] + 2 + parsedJsdocNode.range[1])
+            };
+        }
+
+        /**
+         * Validate type for a given JSDoc node
+         * @param {Object} jsdocNode JSDoc node
+         * @param {Object} type JSDoc tag
+         * @returns {void}
+         * @private
+         */
+        function validateType(jsdocNode, type) {
+            if (!type || !canTypeBeValidated(type.type)) {
+                return;
+            }
+
+            const typesToCheck = [];
+            let elements = [];
+
+            switch (type.type) {
+                case "TypeApplication": // {Array.<String>}
+                    elements = type.applications[0].type === "UnionType" ? type.applications[0].elements : type.applications;
+                    typesToCheck.push(getCurrentExpectedTypes(type));
+                    break;
+                case "RecordType": // {{20:String}}
+                    elements = type.fields;
+                    break;
+                case "UnionType": // {String|number|Test}
+                case "ArrayType": // {[String, number, Test]}
+                    elements = type.elements;
+                    break;
+                case "FieldType": // Array.<{count: number, votes: number}>
+                    if (type.value) {
+                        typesToCheck.push(getCurrentExpectedTypes(type.value));
+                    }
+                    break;
+                default:
+                    typesToCheck.push(getCurrentExpectedTypes(type));
+            }
+
+            elements.forEach(validateType.bind(null, jsdocNode));
+
+            typesToCheck.forEach(typeToCheck => {
+                if (typeToCheck.expectedTypeName &&
+                    typeToCheck.expectedTypeName !== typeToCheck.currentType.name) {
+                    context.report({
+                        node: jsdocNode,
+                        messageId: "useType",
+                        loc: getAbsoluteRange(jsdocNode, typeToCheck.currentType),
+                        data: {
+                            currentTypeName: typeToCheck.currentType.name,
+                            expectedTypeName: typeToCheck.expectedTypeName
+                        },
+                        fix(fixer) {
+                            return fixer.replaceTextRange(
+                                typeToCheck.currentType.range.map(indexInComment => jsdocNode.range[0] + 2 + indexInComment),
+                                typeToCheck.expectedTypeName
+                            );
+                        }
+                    });
+                }
+            });
+        }
+
+        /**
+         * Validate the JSDoc node and output warnings if anything is wrong.
+         * @param {ASTNode} node The AST node to check.
+         * @returns {void}
+         * @private
+         */
+        function checkJSDoc(node) {
+            const jsdocNode = sourceCode.getJSDocComment(node),
+                functionData = fns.pop(),
+                paramTagsByName = Object.create(null),
+                paramTags = [];
+            let hasReturns = false,
+                returnsTag,
+                hasConstructor = false,
+                isInterface = false,
+                isOverride = false,
+                isAbstract = false;
+
+            // make sure only to validate JSDoc comments
+            if (jsdocNode) {
+                let jsdoc;
+
+                try {
+                    jsdoc = doctrine.parse(jsdocNode.value, {
+                        strict: true,
+                        unwrap: true,
+                        sloppy: true,
+                        range: true
+                    });
+                } catch (ex) {
+
+                    if (/braces/iu.test(ex.message)) {
+                        context.report({ node: jsdocNode, messageId: "missingBrace" });
+                    } else {
+                        context.report({ node: jsdocNode, messageId: "syntaxError" });
+                    }
+
+                    return;
+                }
+
+                jsdoc.tags.forEach(tag => {
+
+                    switch (tag.title.toLowerCase()) {
+
+                        case "param":
+                        case "arg":
+                        case "argument":
+                            paramTags.push(tag);
+                            break;
+
+                        case "return":
+                        case "returns":
+                            hasReturns = true;
+                            returnsTag = tag;
+                            break;
+
+                        case "constructor":
+                        case "class":
+                            hasConstructor = true;
+                            break;
+
+                        case "override":
+                        case "inheritdoc":
+                            isOverride = true;
+                            break;
+
+                        case "abstract":
+                        case "virtual":
+                            isAbstract = true;
+                            break;
+
+                        case "interface":
+                            isInterface = true;
+                            break;
+
+                        // no default
+                    }
+
+                    // check tag preferences
+                    if (Object.prototype.hasOwnProperty.call(prefer, tag.title) && tag.title !== prefer[tag.title]) {
+                        const entireTagRange = getAbsoluteRange(jsdocNode, tag);
+
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "use",
+                            loc: {
+                                start: entireTagRange.start,
+                                end: {
+                                    line: entireTagRange.start.line,
+                                    column: entireTagRange.start.column + `@${tag.title}`.length
+                                }
+                            },
+                            data: { name: prefer[tag.title] },
+                            fix(fixer) {
+                                return fixer.replaceTextRange(
+                                    [
+                                        jsdocNode.range[0] + tag.range[0] + 3,
+                                        jsdocNode.range[0] + tag.range[0] + tag.title.length + 3
+                                    ],
+                                    prefer[tag.title]
+                                );
+                            }
+                        });
+                    }
+
+                    // validate the types
+                    if (checkPreferType && tag.type) {
+                        validateType(jsdocNode, tag.type);
+                    }
+                });
+
+                paramTags.forEach(param => {
+                    if (requireParamType && !param.type) {
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "missingParamType",
+                            loc: getAbsoluteRange(jsdocNode, param),
+                            data: { name: param.name }
+                        });
+                    }
+                    if (!param.description && requireParamDescription) {
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "missingParamDesc",
+                            loc: getAbsoluteRange(jsdocNode, param),
+                            data: { name: param.name }
+                        });
+                    }
+                    if (paramTagsByName[param.name]) {
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "duplicateParam",
+                            loc: getAbsoluteRange(jsdocNode, param),
+                            data: { name: param.name }
+                        });
+                    } else if (param.name.indexOf(".") === -1) {
+                        paramTagsByName[param.name] = param;
+                    }
+                });
+
+                if (hasReturns) {
+                    if (!requireReturn && !functionData.returnPresent && (returnsTag.type === null || !isValidReturnType(returnsTag)) && !isAbstract) {
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "unexpectedTag",
+                            loc: getAbsoluteRange(jsdocNode, returnsTag),
+                            data: {
+                                title: returnsTag.title
+                            }
+                        });
+                    } else {
+                        if (requireReturnType && !returnsTag.type) {
+                            context.report({ node: jsdocNode, messageId: "missingReturnType" });
+                        }
+
+                        if (!isValidReturnType(returnsTag) && !returnsTag.description && requireReturnDescription) {
+                            context.report({ node: jsdocNode, messageId: "missingReturnDesc" });
+                        }
+                    }
+                }
+
+                // check for functions missing @returns
+                if (!isOverride && !hasReturns && !hasConstructor && !isInterface &&
+                    node.parent.kind !== "get" && node.parent.kind !== "constructor" &&
+                    node.parent.kind !== "set" && !isTypeClass(node)) {
+                    if (requireReturn || (functionData.returnPresent && !node.async)) {
+                        context.report({
+                            node: jsdocNode,
+                            messageId: "missingReturn",
+                            data: {
+                                returns: prefer.returns || "returns"
+                            }
+                        });
+                    }
+                }
+
+                // check the parameters
+                const jsdocParamNames = Object.keys(paramTagsByName);
+
+                if (node.params) {
+                    node.params.forEach((param, paramsIndex) => {
+                        const bindingParam = param.type === "AssignmentPattern"
+                            ? param.left
+                            : param;
+
+                        // TODO(nzakas): Figure out logical things to do with destructured, default, rest params
+                        if (bindingParam.type === "Identifier") {
+                            const name = bindingParam.name;
+
+                            if (jsdocParamNames[paramsIndex] && (name !== jsdocParamNames[paramsIndex])) {
+                                context.report({
+                                    node: jsdocNode,
+                                    messageId: "expected",
+                                    loc: getAbsoluteRange(jsdocNode, paramTagsByName[jsdocParamNames[paramsIndex]]),
+                                    data: {
+                                        name,
+                                        jsdocName: jsdocParamNames[paramsIndex]
+                                    }
+                                });
+                            } else if (!paramTagsByName[name] && !isOverride) {
+                                context.report({
+                                    node: jsdocNode,
+                                    messageId: "missingParam",
+                                    data: {
+                                        name
+                                    }
+                                });
+                            }
+                        }
+                    });
+                }
+
+                if (options.matchDescription) {
+                    const regex = new RegExp(options.matchDescription, "u");
+
+                    if (!regex.test(jsdoc.description)) {
+                        context.report({ node: jsdocNode, messageId: "unsatisfiedDesc" });
+                    }
+                }
+
+            }
+
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            ArrowFunctionExpression: startFunction,
+            FunctionExpression: startFunction,
+            FunctionDeclaration: startFunction,
+            ClassExpression: startFunction,
+            ClassDeclaration: startFunction,
+            "ArrowFunctionExpression:exit": checkJSDoc,
+            "FunctionExpression:exit": checkJSDoc,
+            "FunctionDeclaration:exit": checkJSDoc,
+            "ClassExpression:exit": checkJSDoc,
+            "ClassDeclaration:exit": checkJSDoc,
+            ReturnStatement: addReturn
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/valid-typeof.js b/eslint/lib/rules/valid-typeof.js
new file mode 100644
index 0000000..a0f20f7
--- /dev/null
+++ b/eslint/lib/rules/valid-typeof.js
@@ -0,0 +1,85 @@
+/**
+ * @fileoverview Ensures that the results of typeof are compared against a valid string
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "enforce comparing `typeof` expressions against valid strings",
+            category: "Possible Errors",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/valid-typeof"
+        },
+
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    requireStringLiterals: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+        messages: {
+            invalidValue: "Invalid typeof comparison value.",
+            notString: "Typeof comparisons should be to string literals."
+        }
+    },
+
+    create(context) {
+
+        const VALID_TYPES = ["symbol", "undefined", "object", "boolean", "number", "string", "function", "bigint"],
+            OPERATORS = ["==", "===", "!=", "!=="];
+
+        const requireStringLiterals = context.options[0] && context.options[0].requireStringLiterals;
+
+        /**
+         * Determines whether a node is a typeof expression.
+         * @param {ASTNode} node The node
+         * @returns {boolean} `true` if the node is a typeof expression
+         */
+        function isTypeofExpression(node) {
+            return node.type === "UnaryExpression" && node.operator === "typeof";
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+
+            UnaryExpression(node) {
+                if (isTypeofExpression(node)) {
+                    const parent = context.getAncestors().pop();
+
+                    if (parent.type === "BinaryExpression" && OPERATORS.indexOf(parent.operator) !== -1) {
+                        const sibling = parent.left === node ? parent.right : parent.left;
+
+                        if (sibling.type === "Literal" || sibling.type === "TemplateLiteral" && !sibling.expressions.length) {
+                            const value = sibling.type === "Literal" ? sibling.value : sibling.quasis[0].value.cooked;
+
+                            if (VALID_TYPES.indexOf(value) === -1) {
+                                context.report({ node: sibling, messageId: "invalidValue" });
+                            }
+                        } else if (requireStringLiterals && !isTypeofExpression(sibling)) {
+                            context.report({ node: sibling, messageId: "notString" });
+                        }
+                    }
+                }
+            }
+
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/vars-on-top.js b/eslint/lib/rules/vars-on-top.js
new file mode 100644
index 0000000..28ddae4
--- /dev/null
+++ b/eslint/lib/rules/vars-on-top.js
@@ -0,0 +1,144 @@
+/**
+ * @fileoverview Rule to enforce var declarations are only at the top of a function.
+ * @author Danny Fritz
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require `var` declarations be placed at the top of their containing scope",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/vars-on-top"
+        },
+
+        schema: [],
+        messages: {
+            top: "All 'var' declarations must be at the top of the function scope."
+        }
+    },
+
+    create(context) {
+
+        //--------------------------------------------------------------------------
+        // Helpers
+        //--------------------------------------------------------------------------
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node any node
+         * @returns {boolean} whether the given node structurally represents a directive
+         */
+        function looksLikeDirective(node) {
+            return node.type === "ExpressionStatement" &&
+                node.expression.type === "Literal" && typeof node.expression.value === "string";
+        }
+
+        /**
+         * Check to see if its a ES6 import declaration
+         * @param {ASTNode} node any node
+         * @returns {boolean} whether the given node represents a import declaration
+         */
+        function looksLikeImport(node) {
+            return node.type === "ImportDeclaration" || node.type === "ImportSpecifier" ||
+                node.type === "ImportDefaultSpecifier" || node.type === "ImportNamespaceSpecifier";
+        }
+
+        /**
+         * Checks whether a given node is a variable declaration or not.
+         * @param {ASTNode} node any node
+         * @returns {boolean} `true` if the node is a variable declaration.
+         */
+        function isVariableDeclaration(node) {
+            return (
+                node.type === "VariableDeclaration" ||
+                (
+                    node.type === "ExportNamedDeclaration" &&
+                    node.declaration &&
+                    node.declaration.type === "VariableDeclaration"
+                )
+            );
+        }
+
+        /**
+         * Checks whether this variable is on top of the block body
+         * @param {ASTNode} node The node to check
+         * @param {ASTNode[]} statements collection of ASTNodes for the parent node block
+         * @returns {boolean} True if var is on top otherwise false
+         */
+        function isVarOnTop(node, statements) {
+            const l = statements.length;
+            let i = 0;
+
+            // skip over directives
+            for (; i < l; ++i) {
+                if (!looksLikeDirective(statements[i]) && !looksLikeImport(statements[i])) {
+                    break;
+                }
+            }
+
+            for (; i < l; ++i) {
+                if (!isVariableDeclaration(statements[i])) {
+                    return false;
+                }
+                if (statements[i] === node) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        /**
+         * Checks whether variable is on top at the global level
+         * @param {ASTNode} node The node to check
+         * @param {ASTNode} parent Parent of the node
+         * @returns {void}
+         */
+        function globalVarCheck(node, parent) {
+            if (!isVarOnTop(node, parent.body)) {
+                context.report({ node, messageId: "top" });
+            }
+        }
+
+        /**
+         * Checks whether variable is on top at functional block scope level
+         * @param {ASTNode} node The node to check
+         * @param {ASTNode} parent Parent of the node
+         * @param {ASTNode} grandParent Parent of the node's parent
+         * @returns {void}
+         */
+        function blockScopeVarCheck(node, parent, grandParent) {
+            if (!(/Function/u.test(grandParent.type) &&
+                    parent.type === "BlockStatement" &&
+                    isVarOnTop(node, parent.body))) {
+                context.report({ node, messageId: "top" });
+            }
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+            "VariableDeclaration[kind='var']"(node) {
+                if (node.parent.type === "ExportNamedDeclaration") {
+                    globalVarCheck(node.parent, node.parent.parent);
+                } else if (node.parent.type === "Program") {
+                    globalVarCheck(node, node.parent);
+                } else {
+                    blockScopeVarCheck(node, node.parent, node.parent.parent);
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/wrap-iife.js b/eslint/lib/rules/wrap-iife.js
new file mode 100644
index 0000000..896aed6
--- /dev/null
+++ b/eslint/lib/rules/wrap-iife.js
@@ -0,0 +1,197 @@
+/**
+ * @fileoverview Rule to flag when IIFE is not wrapped in parens
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+const eslintUtils = require("eslint-utils");
+
+//----------------------------------------------------------------------
+// Helpers
+//----------------------------------------------------------------------
+
+/**
+ * Check if the given node is callee of a `NewExpression` node
+ * @param {ASTNode} node node to check
+ * @returns {boolean} True if the node is callee of a `NewExpression` node
+ * @private
+ */
+function isCalleeOfNewExpression(node) {
+    return node.parent.type === "NewExpression" && node.parent.callee === node;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require parentheses around immediate `function` invocations",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/wrap-iife"
+        },
+
+        schema: [
+            {
+                enum: ["outside", "inside", "any"]
+            },
+            {
+                type: "object",
+                properties: {
+                    functionPrototypeMethods: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+        messages: {
+            wrapInvocation: "Wrap an immediate function invocation in parentheses.",
+            wrapExpression: "Wrap only the function expression in parens.",
+            moveInvocation: "Move the invocation into the parens that contain the function."
+        }
+    },
+
+    create(context) {
+
+        const style = context.options[0] || "outside";
+        const includeFunctionPrototypeMethods = context.options[1] && context.options[1].functionPrototypeMethods;
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Check if the node is wrapped in any (). All parens count: grouping parens and parens for constructs such as if()
+         * @param {ASTNode} node node to evaluate
+         * @returns {boolean} True if it is wrapped in any parens
+         * @private
+         */
+        function isWrappedInAnyParens(node) {
+            return astUtils.isParenthesised(sourceCode, node);
+        }
+
+        /**
+         * Check if the node is wrapped in grouping (). Parens for constructs such as if() don't count
+         * @param {ASTNode} node node to evaluate
+         * @returns {boolean} True if it is wrapped in grouping parens
+         * @private
+         */
+        function isWrappedInGroupingParens(node) {
+            return eslintUtils.isParenthesized(1, node, sourceCode);
+        }
+
+        /**
+         * Get the function node from an IIFE
+         * @param {ASTNode} node node to evaluate
+         * @returns {ASTNode} node that is the function expression of the given IIFE, or null if none exist
+         */
+        function getFunctionNodeFromIIFE(node) {
+            const callee = node.callee;
+
+            if (callee.type === "FunctionExpression") {
+                return callee;
+            }
+
+            if (includeFunctionPrototypeMethods &&
+                callee.type === "MemberExpression" &&
+                callee.object.type === "FunctionExpression" &&
+                (astUtils.getStaticPropertyName(callee) === "call" || astUtils.getStaticPropertyName(callee) === "apply")
+            ) {
+                return callee.object;
+            }
+
+            return null;
+        }
+
+
+        return {
+            CallExpression(node) {
+                const innerNode = getFunctionNodeFromIIFE(node);
+
+                if (!innerNode) {
+                    return;
+                }
+
+                const isCallExpressionWrapped = isWrappedInAnyParens(node),
+                    isFunctionExpressionWrapped = isWrappedInAnyParens(innerNode);
+
+                if (!isCallExpressionWrapped && !isFunctionExpressionWrapped) {
+                    context.report({
+                        node,
+                        messageId: "wrapInvocation",
+                        fix(fixer) {
+                            const nodeToSurround = style === "inside" ? innerNode : node;
+
+                            return fixer.replaceText(nodeToSurround, `(${sourceCode.getText(nodeToSurround)})`);
+                        }
+                    });
+                } else if (style === "inside" && !isFunctionExpressionWrapped) {
+                    context.report({
+                        node,
+                        messageId: "wrapExpression",
+                        fix(fixer) {
+
+                            // The outer call expression will always be wrapped at this point.
+
+                            if (isWrappedInGroupingParens(node) && !isCalleeOfNewExpression(node)) {
+
+                                /*
+                                 * Parenthesize the function expression and remove unnecessary grouping parens around the call expression.
+                                 * Replace the range between the end of the function expression and the end of the call expression.
+                                 * for example, in `(function(foo) {}(bar))`, the range `(bar))` should get replaced with `)(bar)`.
+                                 */
+
+                                const parenAfter = sourceCode.getTokenAfter(node);
+
+                                return fixer.replaceTextRange(
+                                    [innerNode.range[1], parenAfter.range[1]],
+                                    `)${sourceCode.getText().slice(innerNode.range[1], parenAfter.range[0])}`
+                                );
+                            }
+
+                            /*
+                             * Call expression is wrapped in mandatory parens such as if(), or in necessary grouping parens.
+                             * These parens cannot be removed, so just parenthesize the function expression.
+                             */
+
+                            return fixer.replaceText(innerNode, `(${sourceCode.getText(innerNode)})`);
+                        }
+                    });
+                } else if (style === "outside" && !isCallExpressionWrapped) {
+                    context.report({
+                        node,
+                        messageId: "moveInvocation",
+                        fix(fixer) {
+
+                            /*
+                             * The inner function expression will always be wrapped at this point.
+                             * It's only necessary to replace the range between the end of the function expression
+                             * and the call expression. For example, in `(function(foo) {})(bar)`, the range `)(bar)`
+                             * should get replaced with `(bar))`.
+                             */
+                            const parenAfter = sourceCode.getTokenAfter(innerNode);
+
+                            return fixer.replaceTextRange(
+                                [parenAfter.range[0], node.range[1]],
+                                `${sourceCode.getText().slice(parenAfter.range[1], node.range[1])})`
+                            );
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/wrap-regex.js b/eslint/lib/rules/wrap-regex.js
new file mode 100644
index 0000000..4ecbcec
--- /dev/null
+++ b/eslint/lib/rules/wrap-regex.js
@@ -0,0 +1,59 @@
+/**
+ * @fileoverview Rule to flag when regex literals are not wrapped in parens
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require parenthesis around regex literals",
+            category: "Stylistic Issues",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/wrap-regex"
+        },
+
+        schema: [],
+        fixable: "code",
+
+        messages: {
+            requireParens: "Wrap the regexp literal in parens to disambiguate the slash."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        return {
+
+            Literal(node) {
+                const token = sourceCode.getFirstToken(node),
+                    nodeType = token.type;
+
+                if (nodeType === "RegularExpression") {
+                    const beforeToken = sourceCode.getTokenBefore(node);
+                    const afterToken = sourceCode.getTokenAfter(node);
+                    const ancestors = context.getAncestors();
+                    const grandparent = ancestors[ancestors.length - 1];
+
+                    if (grandparent.type === "MemberExpression" && grandparent.object === node &&
+                        !(beforeToken && beforeToken.value === "(" && afterToken && afterToken.value === ")")) {
+                        context.report({
+                            node,
+                            messageId: "requireParens",
+                            fix: fixer => fixer.replaceText(node, `(${sourceCode.getText(node)})`)
+                        });
+                    }
+                }
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/yield-star-spacing.js b/eslint/lib/rules/yield-star-spacing.js
new file mode 100644
index 0000000..20b8e9e
--- /dev/null
+++ b/eslint/lib/rules/yield-star-spacing.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Rule to check the spacing around the * in yield* expressions.
+ * @author Bryan Smith
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "layout",
+
+        docs: {
+            description: "require or disallow spacing around the `*` in `yield*` expressions",
+            category: "ECMAScript 6",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/yield-star-spacing"
+        },
+
+        fixable: "whitespace",
+
+        schema: [
+            {
+                oneOf: [
+                    {
+                        enum: ["before", "after", "both", "neither"]
+                    },
+                    {
+                        type: "object",
+                        properties: {
+                            before: { type: "boolean" },
+                            after: { type: "boolean" }
+                        },
+                        additionalProperties: false
+                    }
+                ]
+            }
+        ],
+        messages: {
+            missingBefore: "Missing space before *.",
+            missingAfter: "Missing space after *.",
+            unexpectedBefore: "Unexpected space before *.",
+            unexpectedAfter: "Unexpected space after *."
+        }
+    },
+
+    create(context) {
+        const sourceCode = context.getSourceCode();
+
+        const mode = (function(option) {
+            if (!option || typeof option === "string") {
+                return {
+                    before: { before: true, after: false },
+                    after: { before: false, after: true },
+                    both: { before: true, after: true },
+                    neither: { before: false, after: false }
+                }[option || "after"];
+            }
+            return option;
+        }(context.options[0]));
+
+        /**
+         * Checks the spacing between two tokens before or after the star token.
+         * @param {string} side Either "before" or "after".
+         * @param {Token} leftToken `function` keyword token if side is "before", or
+         *     star token if side is "after".
+         * @param {Token} rightToken Star token if side is "before", or identifier
+         *     token if side is "after".
+         * @returns {void}
+         */
+        function checkSpacing(side, leftToken, rightToken) {
+            if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken) !== mode[side]) {
+                const after = leftToken.value === "*";
+                const spaceRequired = mode[side];
+                const node = after ? leftToken : rightToken;
+                let messageId = "";
+
+                if (spaceRequired) {
+                    messageId = side === "before" ? "missingBefore" : "missingAfter";
+                } else {
+                    messageId = side === "before" ? "unexpectedBefore" : "unexpectedAfter";
+                }
+
+                context.report({
+                    node,
+                    messageId,
+                    fix(fixer) {
+                        if (spaceRequired) {
+                            if (after) {
+                                return fixer.insertTextAfter(node, " ");
+                            }
+                            return fixer.insertTextBefore(node, " ");
+                        }
+                        return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+                    }
+                });
+            }
+        }
+
+        /**
+         * Enforces the spacing around the star if node is a yield* expression.
+         * @param {ASTNode} node A yield expression node.
+         * @returns {void}
+         */
+        function checkExpression(node) {
+            if (!node.delegate) {
+                return;
+            }
+
+            const tokens = sourceCode.getFirstTokens(node, 3);
+            const yieldToken = tokens[0];
+            const starToken = tokens[1];
+            const nextToken = tokens[2];
+
+            checkSpacing("before", yieldToken, starToken);
+            checkSpacing("after", starToken, nextToken);
+        }
+
+        return {
+            YieldExpression: checkExpression
+        };
+
+    }
+};
diff --git a/eslint/lib/rules/yoda.js b/eslint/lib/rules/yoda.js
new file mode 100644
index 0000000..c4ff3f8
--- /dev/null
+++ b/eslint/lib/rules/yoda.js
@@ -0,0 +1,355 @@
+/**
+ * @fileoverview Rule to require or disallow yoda comparisons
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//--------------------------------------------------------------------------
+// Requirements
+//--------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//--------------------------------------------------------------------------
+// Helpers
+//--------------------------------------------------------------------------
+
+/**
+ * Determines whether an operator is a comparison operator.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether or not it is a comparison operator.
+ */
+function isComparisonOperator(operator) {
+    return (/^(==|===|!=|!==|<|>|<=|>=)$/u).test(operator);
+}
+
+/**
+ * Determines whether an operator is an equality operator.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether or not it is an equality operator.
+ */
+function isEqualityOperator(operator) {
+    return (/^(==|===)$/u).test(operator);
+}
+
+/**
+ * Determines whether an operator is one used in a range test.
+ * Allowed operators are `<` and `<=`.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether the operator is used in range tests.
+ */
+function isRangeTestOperator(operator) {
+    return ["<", "<="].indexOf(operator) >= 0;
+}
+
+/**
+ * Determines whether a non-Literal node is a negative number that should be
+ * treated as if it were a single Literal node.
+ * @param {ASTNode} node Node to test.
+ * @returns {boolean} True if the node is a negative number that looks like a
+ *                    real literal and should be treated as such.
+ */
+function isNegativeNumericLiteral(node) {
+    return (node.type === "UnaryExpression" &&
+        node.operator === "-" &&
+        node.prefix &&
+        astUtils.isNumericLiteral(node.argument));
+}
+
+/**
+ * Determines whether a node is a Template Literal which can be determined statically.
+ * @param {ASTNode} node Node to test
+ * @returns {boolean} True if the node is a Template Literal without expression.
+ */
+function isStaticTemplateLiteral(node) {
+    return node.type === "TemplateLiteral" && node.expressions.length === 0;
+}
+
+/**
+ * Determines whether a non-Literal node should be treated as a single Literal node.
+ * @param {ASTNode} node Node to test
+ * @returns {boolean} True if the node should be treated as a single Literal node.
+ */
+function looksLikeLiteral(node) {
+    return isNegativeNumericLiteral(node) ||
+        isStaticTemplateLiteral(node);
+}
+
+/**
+ * Attempts to derive a Literal node from nodes that are treated like literals.
+ * @param {ASTNode} node Node to normalize.
+ * @param {number} [defaultValue] The default value to be returned if the node
+ *                                is not a Literal.
+ * @returns {ASTNode} One of the following options.
+ *  1. The original node if the node is already a Literal
+ *  2. A normalized Literal node with the negative number as the value if the
+ *     node represents a negative number literal.
+ *  3. A normalized Literal node with the string as the value if the node is
+ *     a Template Literal without expression.
+ *  4. The Literal node which has the `defaultValue` argument if it exists.
+ *  5. Otherwise `null`.
+ */
+function getNormalizedLiteral(node, defaultValue) {
+    if (node.type === "Literal") {
+        return node;
+    }
+
+    if (isNegativeNumericLiteral(node)) {
+        return {
+            type: "Literal",
+            value: -node.argument.value,
+            raw: `-${node.argument.value}`
+        };
+    }
+
+    if (isStaticTemplateLiteral(node)) {
+        return {
+            type: "Literal",
+            value: node.quasis[0].value.cooked,
+            raw: node.quasis[0].value.raw
+        };
+    }
+
+    if (defaultValue) {
+        return {
+            type: "Literal",
+            value: defaultValue,
+            raw: String(defaultValue)
+        };
+    }
+
+    return null;
+}
+
+/**
+ * Checks whether two expressions reference the same value. For example:
+ *     a = a
+ *     a.b = a.b
+ *     a[0] = a[0]
+ *     a['b'] = a['b']
+ * @param   {ASTNode} a Left side of the comparison.
+ * @param   {ASTNode} b Right side of the comparison.
+ * @returns {boolean}   True if both sides match and reference the same value.
+ */
+function same(a, b) {
+    if (a.type !== b.type) {
+        return false;
+    }
+
+    switch (a.type) {
+        case "Identifier":
+            return a.name === b.name;
+
+        case "Literal":
+            return a.value === b.value;
+
+        case "MemberExpression": {
+            const nameA = astUtils.getStaticPropertyName(a);
+
+            // x.y = x["y"]
+            if (nameA !== null) {
+                return (
+                    same(a.object, b.object) &&
+                    nameA === astUtils.getStaticPropertyName(b)
+                );
+            }
+
+            /*
+             * x[0] = x[0]
+             * x[y] = x[y]
+             * x.y = x.y
+             */
+            return (
+                a.computed === b.computed &&
+                same(a.object, b.object) &&
+                same(a.property, b.property)
+            );
+        }
+
+        case "ThisExpression":
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "require or disallow \"Yoda\" conditions",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/yoda"
+        },
+
+        schema: [
+            {
+                enum: ["always", "never"]
+            },
+            {
+                type: "object",
+                properties: {
+                    exceptRange: {
+                        type: "boolean",
+                        default: false
+                    },
+                    onlyEquality: {
+                        type: "boolean",
+                        default: false
+                    }
+                },
+                additionalProperties: false
+            }
+        ],
+
+        fixable: "code",
+        messages: {
+            expected: "Expected literal to be on the {{expectedSide}} side of {{operator}}."
+        }
+    },
+
+    create(context) {
+
+        // Default to "never" (!always) if no option
+        const always = (context.options[0] === "always");
+        const exceptRange = (context.options[1] && context.options[1].exceptRange);
+        const onlyEquality = (context.options[1] && context.options[1].onlyEquality);
+
+        const sourceCode = context.getSourceCode();
+
+        /**
+         * Determines whether node represents a range test.
+         * A range test is a "between" test like `(0 <= x && x < 1)` or an "outside"
+         * test like `(x < 0 || 1 <= x)`. It must be wrapped in parentheses, and
+         * both operators must be `<` or `<=`. Finally, the literal on the left side
+         * must be less than or equal to the literal on the right side so that the
+         * test makes any sense.
+         * @param {ASTNode} node LogicalExpression node to test.
+         * @returns {boolean} Whether node is a range test.
+         */
+        function isRangeTest(node) {
+            const left = node.left,
+                right = node.right;
+
+            /**
+             * Determines whether node is of the form `0 <= x && x < 1`.
+             * @returns {boolean} Whether node is a "between" range test.
+             */
+            function isBetweenTest() {
+                let leftLiteral, rightLiteral;
+
+                return (node.operator === "&&" &&
+                    (leftLiteral = getNormalizedLiteral(left.left)) &&
+                    (rightLiteral = getNormalizedLiteral(right.right, Number.POSITIVE_INFINITY)) &&
+                    leftLiteral.value <= rightLiteral.value &&
+                    same(left.right, right.left));
+            }
+
+            /**
+             * Determines whether node is of the form `x < 0 || 1 <= x`.
+             * @returns {boolean} Whether node is an "outside" range test.
+             */
+            function isOutsideTest() {
+                let leftLiteral, rightLiteral;
+
+                return (node.operator === "||" &&
+                    (leftLiteral = getNormalizedLiteral(left.right, Number.NEGATIVE_INFINITY)) &&
+                    (rightLiteral = getNormalizedLiteral(right.left)) &&
+                    leftLiteral.value <= rightLiteral.value &&
+                    same(left.left, right.right));
+            }
+
+            /**
+             * Determines whether node is wrapped in parentheses.
+             * @returns {boolean} Whether node is preceded immediately by an open
+             *                    paren token and followed immediately by a close
+             *                    paren token.
+             */
+            function isParenWrapped() {
+                return astUtils.isParenthesised(sourceCode, node);
+            }
+
+            return (node.type === "LogicalExpression" &&
+                left.type === "BinaryExpression" &&
+                right.type === "BinaryExpression" &&
+                isRangeTestOperator(left.operator) &&
+                isRangeTestOperator(right.operator) &&
+                (isBetweenTest() || isOutsideTest()) &&
+                isParenWrapped());
+        }
+
+        const OPERATOR_FLIP_MAP = {
+            "===": "===",
+            "!==": "!==",
+            "==": "==",
+            "!=": "!=",
+            "<": ">",
+            ">": "<",
+            "<=": ">=",
+            ">=": "<="
+        };
+
+        /**
+         * Returns a string representation of a BinaryExpression node with its sides/operator flipped around.
+         * @param {ASTNode} node The BinaryExpression node
+         * @returns {string} A string representation of the node with the sides and operator flipped
+         */
+        function getFlippedString(node) {
+            const tokenBefore = sourceCode.getTokenBefore(node);
+            const operatorToken = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+            const textBeforeOperator = sourceCode.getText().slice(sourceCode.getTokenBefore(operatorToken).range[1], operatorToken.range[0]);
+            const textAfterOperator = sourceCode.getText().slice(operatorToken.range[1], sourceCode.getTokenAfter(operatorToken).range[0]);
+            const leftText = sourceCode.getText().slice(node.range[0], sourceCode.getTokenBefore(operatorToken).range[1]);
+            const firstRightToken = sourceCode.getTokenAfter(operatorToken);
+            const rightText = sourceCode.getText().slice(firstRightToken.range[0], node.range[1]);
+
+            let prefix = "";
+
+            if (tokenBefore && tokenBefore.range[1] === node.range[0] &&
+                    !astUtils.canTokensBeAdjacent(tokenBefore, firstRightToken)) {
+                prefix = " ";
+            }
+
+            return prefix + rightText + textBeforeOperator + OPERATOR_FLIP_MAP[operatorToken.value] + textAfterOperator + leftText;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public
+        //--------------------------------------------------------------------------
+
+        return {
+            BinaryExpression(node) {
+                const expectedLiteral = always ? node.left : node.right;
+                const expectedNonLiteral = always ? node.right : node.left;
+
+                // If `expectedLiteral` is not a literal, and `expectedNonLiteral` is a literal, raise an error.
+                if (
+                    (expectedNonLiteral.type === "Literal" || looksLikeLiteral(expectedNonLiteral)) &&
+                    !(expectedLiteral.type === "Literal" || looksLikeLiteral(expectedLiteral)) &&
+                    !(!isEqualityOperator(node.operator) && onlyEquality) &&
+                    isComparisonOperator(node.operator) &&
+                    !(exceptRange && isRangeTest(context.getAncestors().pop()))
+                ) {
+                    context.report({
+                        node,
+                        messageId: "expected",
+                        data: {
+                            operator: node.operator,
+                            expectedSide: always ? "left" : "right"
+                        },
+                        fix: fixer => fixer.replaceText(node, getFlippedString(node))
+                    });
+                }
+
+            }
+        };
+
+    }
+};
diff --git a/eslint/lib/shared/ajv.js b/eslint/lib/shared/ajv.js
new file mode 100644
index 0000000..3fb0fbd
--- /dev/null
+++ b/eslint/lib/shared/ajv.js
@@ -0,0 +1,34 @@
+/**
+ * @fileoverview The instance of Ajv validator.
+ * @author Evgeny Poberezkin
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Ajv = require("ajv"),
+    metaSchema = require("ajv/lib/refs/json-schema-draft-04.json");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = (additionalOptions = {}) => {
+    const ajv = new Ajv({
+        meta: false,
+        useDefaults: true,
+        validateSchema: false,
+        missingRefs: "ignore",
+        verbose: true,
+        schemaId: "auto",
+        ...additionalOptions
+    });
+
+    ajv.addMetaSchema(metaSchema);
+    // eslint-disable-next-line no-underscore-dangle
+    ajv._opts.defaultMeta = metaSchema.id;
+
+    return ajv;
+};
diff --git a/eslint/lib/shared/ast-utils.js b/eslint/lib/shared/ast-utils.js
new file mode 100644
index 0000000..4ebd49c
--- /dev/null
+++ b/eslint/lib/shared/ast-utils.js
@@ -0,0 +1,29 @@
+/**
+ * @fileoverview Common utils for AST.
+ *
+ * This file contains only shared items for core and rules.
+ * If you make a utility for rules, please see `../rules/utils/ast-utils.js`.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const breakableTypePattern = /^(?:(?:Do)?While|For(?:In|Of)?|Switch)Statement$/u;
+const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u;
+const shebangPattern = /^#!([^\r\n]+)/u;
+
+/**
+ * Creates a version of the `lineBreakPattern` regex with the global flag.
+ * Global regexes are mutable, so this needs to be a function instead of a constant.
+ * @returns {RegExp} A global regular expression that matches line terminators
+ */
+function createGlobalLinebreakMatcher() {
+    return new RegExp(lineBreakPattern.source, "gu");
+}
+
+module.exports = {
+    breakableTypePattern,
+    lineBreakPattern,
+    createGlobalLinebreakMatcher,
+    shebangPattern
+};
diff --git a/eslint/lib/shared/config-ops.js b/eslint/lib/shared/config-ops.js
new file mode 100644
index 0000000..3b4d569
--- /dev/null
+++ b/eslint/lib/shared/config-ops.js
@@ -0,0 +1,130 @@
+/**
+ * @fileoverview Config file operations. This file must be usable in the browser,
+ * so no Node-specific code can be here.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+const RULE_SEVERITY_STRINGS = ["off", "warn", "error"],
+    RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => {
+        map[value] = index;
+        return map;
+    }, {}),
+    VALID_SEVERITIES = [0, 1, 2, "off", "warn", "error"];
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+
+    /**
+     * Normalizes the severity value of a rule's configuration to a number
+     * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally
+     * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0),
+     * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array
+     * whose first element is one of the above values. Strings are matched case-insensitively.
+     * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0.
+     */
+    getRuleSeverity(ruleConfig) {
+        const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
+
+        if (severityValue === 0 || severityValue === 1 || severityValue === 2) {
+            return severityValue;
+        }
+
+        if (typeof severityValue === "string") {
+            return RULE_SEVERITY[severityValue.toLowerCase()] || 0;
+        }
+
+        return 0;
+    },
+
+    /**
+     * Converts old-style severity settings (0, 1, 2) into new-style
+     * severity settings (off, warn, error) for all rules. Assumption is that severity
+     * values have already been validated as correct.
+     * @param {Object} config The config object to normalize.
+     * @returns {void}
+     */
+    normalizeToStrings(config) {
+
+        if (config.rules) {
+            Object.keys(config.rules).forEach(ruleId => {
+                const ruleConfig = config.rules[ruleId];
+
+                if (typeof ruleConfig === "number") {
+                    config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0];
+                } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") {
+                    ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0];
+                }
+            });
+        }
+    },
+
+    /**
+     * Determines if the severity for the given rule configuration represents an error.
+     * @param {int|string|Array} ruleConfig The configuration for an individual rule.
+     * @returns {boolean} True if the rule represents an error, false if not.
+     */
+    isErrorSeverity(ruleConfig) {
+        return module.exports.getRuleSeverity(ruleConfig) === 2;
+    },
+
+    /**
+     * Checks whether a given config has valid severity or not.
+     * @param {number|string|Array} ruleConfig The configuration for an individual rule.
+     * @returns {boolean} `true` if the configuration has valid severity.
+     */
+    isValidSeverity(ruleConfig) {
+        let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
+
+        if (typeof severity === "string") {
+            severity = severity.toLowerCase();
+        }
+        return VALID_SEVERITIES.indexOf(severity) !== -1;
+    },
+
+    /**
+     * Checks whether every rule of a given config has valid severity or not.
+     * @param {Object} config The configuration for rules.
+     * @returns {boolean} `true` if the configuration has valid severity.
+     */
+    isEverySeverityValid(config) {
+        return Object.keys(config).every(ruleId => this.isValidSeverity(config[ruleId]));
+    },
+
+    /**
+     * Normalizes a value for a global in a config
+     * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in
+     * a global directive comment
+     * @returns {("readable"|"writeable"|"off")} The value normalized as a string
+     * @throws Error if global value is invalid
+     */
+    normalizeConfigGlobal(configuredValue) {
+        switch (configuredValue) {
+            case "off":
+                return "off";
+
+            case true:
+            case "true":
+            case "writeable":
+            case "writable":
+                return "writable";
+
+            case null:
+            case false:
+            case "false":
+            case "readable":
+            case "readonly":
+                return "readonly";
+
+            default:
+                throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`);
+        }
+    }
+};
diff --git a/eslint/lib/shared/config-validator.js b/eslint/lib/shared/config-validator.js
new file mode 100644
index 0000000..458bd2a
--- /dev/null
+++ b/eslint/lib/shared/config-validator.js
@@ -0,0 +1,326 @@
+/**
+ * @fileoverview Validates configs.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    util = require("util"),
+    configSchema = require("../../conf/config-schema"),
+    BuiltInEnvironments = require("../../conf/environments"),
+    BuiltInRules = require("../rules"),
+    ConfigOps = require("./config-ops"),
+    { emitDeprecationWarning } = require("./deprecation-warnings");
+
+const ajv = require("./ajv")();
+const ruleValidators = new WeakMap();
+const noop = Function.prototype;
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+let validateSchema;
+const severityMap = {
+    error: 2,
+    warn: 1,
+    off: 0
+};
+
+/**
+ * Gets a complete options schema for a rule.
+ * @param {{create: Function, schema: (Array|null)}} rule A new-style rule object
+ * @returns {Object} JSON Schema for the rule's options.
+ */
+function getRuleOptionsSchema(rule) {
+    if (!rule) {
+        return null;
+    }
+
+    const schema = rule.schema || rule.meta && rule.meta.schema;
+
+    // Given a tuple of schemas, insert warning level at the beginning
+    if (Array.isArray(schema)) {
+        if (schema.length) {
+            return {
+                type: "array",
+                items: schema,
+                minItems: 0,
+                maxItems: schema.length
+            };
+        }
+        return {
+            type: "array",
+            minItems: 0,
+            maxItems: 0
+        };
+
+    }
+
+    // Given a full schema, leave it alone
+    return schema || null;
+}
+
+/**
+ * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid.
+ * @param {options} options The given options for the rule.
+ * @returns {number|string} The rule's severity value
+ */
+function validateRuleSeverity(options) {
+    const severity = Array.isArray(options) ? options[0] : options;
+    const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity;
+
+    if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) {
+        return normSeverity;
+    }
+
+    throw new Error(`\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util.inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, "")}').\n`);
+
+}
+
+/**
+ * Validates the non-severity options passed to a rule, based on its schema.
+ * @param {{create: Function}} rule The rule to validate
+ * @param {Array} localOptions The options for the rule, excluding severity
+ * @returns {void}
+ */
+function validateRuleSchema(rule, localOptions) {
+    if (!ruleValidators.has(rule)) {
+        const schema = getRuleOptionsSchema(rule);
+
+        if (schema) {
+            ruleValidators.set(rule, ajv.compile(schema));
+        }
+    }
+
+    const validateRule = ruleValidators.get(rule);
+
+    if (validateRule) {
+        validateRule(localOptions);
+        if (validateRule.errors) {
+            throw new Error(validateRule.errors.map(
+                error => `\tValue ${JSON.stringify(error.data)} ${error.message}.\n`
+            ).join(""));
+        }
+    }
+}
+
+/**
+ * Validates a rule's options against its schema.
+ * @param {{create: Function}|null} rule The rule that the config is being validated for
+ * @param {string} ruleId The rule's unique name.
+ * @param {Array|number} options The given options for the rule.
+ * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined,
+ * no source is prepended to the message.
+ * @returns {void}
+ */
+function validateRuleOptions(rule, ruleId, options, source = null) {
+    try {
+        const severity = validateRuleSeverity(options);
+
+        if (severity !== 0) {
+            validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []);
+        }
+    } catch (err) {
+        const enhancedMessage = `Configuration for rule "${ruleId}" is invalid:\n${err.message}`;
+
+        if (typeof source === "string") {
+            throw new Error(`${source}:\n\t${enhancedMessage}`);
+        } else {
+            throw new Error(enhancedMessage);
+        }
+    }
+}
+
+/**
+ * Validates an environment object
+ * @param {Object} environment The environment config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded environments.
+ * @returns {void}
+ */
+function validateEnvironment(
+    environment,
+    source,
+    getAdditionalEnv = noop
+) {
+
+    // not having an environment is ok
+    if (!environment) {
+        return;
+    }
+
+    Object.keys(environment).forEach(id => {
+        const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null;
+
+        if (!env) {
+            const message = `${source}:\n\tEnvironment key "${id}" is unknown\n`;
+
+            throw new Error(message);
+        }
+    });
+}
+
+/**
+ * Validates a rules config object
+ * @param {Object} rulesConfig The rules config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(ruleId:string): Object} getAdditionalRule A map from strings to loaded rules
+ * @returns {void}
+ */
+function validateRules(
+    rulesConfig,
+    source,
+    getAdditionalRule = noop
+) {
+    if (!rulesConfig) {
+        return;
+    }
+
+    Object.keys(rulesConfig).forEach(id => {
+        const rule = getAdditionalRule(id) || BuiltInRules.get(id) || null;
+
+        validateRuleOptions(rule, id, rulesConfig[id], source);
+    });
+}
+
+/**
+ * Validates a `globals` section of a config file
+ * @param {Object} globalsConfig The `globals` section
+ * @param {string|null} source The name of the configuration source to report in the event of an error.
+ * @returns {void}
+ */
+function validateGlobals(globalsConfig, source = null) {
+    if (!globalsConfig) {
+        return;
+    }
+
+    Object.entries(globalsConfig)
+        .forEach(([configuredGlobal, configuredValue]) => {
+            try {
+                ConfigOps.normalizeConfigGlobal(configuredValue);
+            } catch (err) {
+                throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\n${err.message}`);
+            }
+        });
+}
+
+/**
+ * Validate `processor` configuration.
+ * @param {string|undefined} processorName The processor name.
+ * @param {string} source The name of config file.
+ * @param {function(id:string): Processor} getProcessor The getter of defined processors.
+ * @returns {void}
+ */
+function validateProcessor(processorName, source, getProcessor) {
+    if (processorName && !getProcessor(processorName)) {
+        throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`);
+    }
+}
+
+/**
+ * Formats an array of schema validation errors.
+ * @param {Array} errors An array of error messages to format.
+ * @returns {string} Formatted error message
+ */
+function formatErrors(errors) {
+    return errors.map(error => {
+        if (error.keyword === "additionalProperties") {
+            const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty;
+
+            return `Unexpected top-level property "${formattedPropertyPath}"`;
+        }
+        if (error.keyword === "type") {
+            const formattedField = error.dataPath.slice(1);
+            const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema;
+            const formattedValue = JSON.stringify(error.data);
+
+            return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`;
+        }
+
+        const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
+
+        return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`;
+    }).map(message => `\t- ${message}.\n`).join("");
+}
+
+/**
+ * Validates the top level properties of the config object.
+ * @param {Object} config The config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @returns {void}
+ */
+function validateConfigSchema(config, source = null) {
+    validateSchema = validateSchema || ajv.compile(configSchema);
+
+    if (!validateSchema(config)) {
+        throw new Error(`ESLint configuration in ${source} is invalid:\n${formatErrors(validateSchema.errors)}`);
+    }
+
+    if (Object.hasOwnProperty.call(config, "ecmaFeatures")) {
+        emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES");
+    }
+}
+
+/**
+ * Validates an entire config object.
+ * @param {Object} config The config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(ruleId:string): Object} [getAdditionalRule] A map from strings to loaded rules.
+ * @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded envs.
+ * @returns {void}
+ */
+function validate(config, source, getAdditionalRule, getAdditionalEnv) {
+    validateConfigSchema(config, source);
+    validateRules(config.rules, source, getAdditionalRule);
+    validateEnvironment(config.env, source, getAdditionalEnv);
+    validateGlobals(config.globals, source);
+
+    for (const override of config.overrides || []) {
+        validateRules(override.rules, source, getAdditionalRule);
+        validateEnvironment(override.env, source, getAdditionalEnv);
+        validateGlobals(config.globals, source);
+    }
+}
+
+const validated = new WeakSet();
+
+/**
+ * Validate config array object.
+ * @param {ConfigArray} configArray The config array to validate.
+ * @returns {void}
+ */
+function validateConfigArray(configArray) {
+    const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments);
+    const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors);
+    const getPluginRule = Map.prototype.get.bind(configArray.pluginRules);
+
+    // Validate.
+    for (const element of configArray) {
+        if (validated.has(element)) {
+            continue;
+        }
+        validated.add(element);
+
+        validateEnvironment(element.env, element.name, getPluginEnv);
+        validateGlobals(element.globals, element.name);
+        validateProcessor(element.processor, element.name, getPluginProcessor);
+        validateRules(element.rules, element.name, getPluginRule);
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    getRuleOptionsSchema,
+    validate,
+    validateConfigArray,
+    validateConfigSchema,
+    validateRuleOptions
+};
diff --git a/eslint/lib/shared/deprecation-warnings.js b/eslint/lib/shared/deprecation-warnings.js
new file mode 100644
index 0000000..e1481a2
--- /dev/null
+++ b/eslint/lib/shared/deprecation-warnings.js
@@ -0,0 +1,56 @@
+/**
+ * @fileoverview Provide the function that emits deprecation warnings.
+ * @author Toru Nagashima <http://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path");
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+// Defitions for deprecation warnings.
+const deprecationWarningMessages = {
+    ESLINT_LEGACY_ECMAFEATURES:
+        "The 'ecmaFeatures' config file property is deprecated and has no effect.",
+    ESLINT_PERSONAL_CONFIG_LOAD:
+        "'~/.eslintrc.*' config files have been deprecated. " +
+        "Please use a config file per project or the '--config' option.",
+    ESLINT_PERSONAL_CONFIG_SUPPRESS:
+        "'~/.eslintrc.*' config files have been deprecated. " +
+        "Please remove it or add 'root:true' to the config files in your " +
+        "projects in order to avoid loading '~/.eslintrc.*' accidentally."
+};
+
+/**
+ * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted
+ * for each unique file path, but repeated invocations with the same file path have no effect.
+ * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active.
+ * @param {string} source The name of the configuration source to report the warning for.
+ * @param {string} errorCode The warning message to show.
+ * @returns {void}
+ */
+const emitDeprecationWarning = lodash.memoize((source, errorCode) => {
+    const rel = path.relative(process.cwd(), source);
+    const message = deprecationWarningMessages[errorCode];
+
+    process.emitWarning(
+        `${message} (found in "${rel}")`,
+        "DeprecationWarning",
+        errorCode
+    );
+}, (...args) => JSON.stringify(args));
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    emitDeprecationWarning
+};
diff --git a/eslint/lib/shared/logging.js b/eslint/lib/shared/logging.js
new file mode 100644
index 0000000..6aa1f5a
--- /dev/null
+++ b/eslint/lib/shared/logging.js
@@ -0,0 +1,30 @@
+/**
+ * @fileoverview Handle logging for ESLint
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+/* eslint no-console: "off" */
+
+/* istanbul ignore next */
+module.exports = {
+
+    /**
+     * Cover for console.log
+     * @param {...any} args The elements to log.
+     * @returns {void}
+     */
+    info(...args) {
+        console.log(...args);
+    },
+
+    /**
+     * Cover for console.error
+     * @param {...any} args The elements to log.
+     * @returns {void}
+     */
+    error(...args) {
+        console.error(...args);
+    }
+};
diff --git a/eslint/lib/shared/naming.js b/eslint/lib/shared/naming.js
new file mode 100644
index 0000000..32cff94
--- /dev/null
+++ b/eslint/lib/shared/naming.js
@@ -0,0 +1,97 @@
+/**
+ * @fileoverview Common helpers for naming of plugins, formatters and configs
+ */
+"use strict";
+
+const NAMESPACE_REGEX = /^@.*\//iu;
+
+/**
+ * Brings package name to correct format based on prefix
+ * @param {string} name The name of the package.
+ * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter"
+ * @returns {string} Normalized name of the package
+ * @private
+ */
+function normalizePackageName(name, prefix) {
+    let normalizedName = name;
+
+    /**
+     * On Windows, name can come in with Windows slashes instead of Unix slashes.
+     * Normalize to Unix first to avoid errors later on.
+     * https://github.com/eslint/eslint/issues/5644
+     */
+    if (normalizedName.includes("\\")) {
+        normalizedName = normalizedName.replace(/\\/gu, "/");
+    }
+
+    if (normalizedName.charAt(0) === "@") {
+
+        /**
+         * it's a scoped package
+         * package name is the prefix, or just a username
+         */
+        const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"),
+            scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u");
+
+        if (scopedPackageShortcutRegex.test(normalizedName)) {
+            normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`);
+        } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) {
+
+            /**
+             * for scoped packages, insert the prefix after the first / unless
+             * the path is already @scope/eslint or @scope/eslint-xxx-yyy
+             */
+            normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`);
+        }
+    } else if (!normalizedName.startsWith(`${prefix}-`)) {
+        normalizedName = `${prefix}-${normalizedName}`;
+    }
+
+    return normalizedName;
+}
+
+/**
+ * Removes the prefix from a fullname.
+ * @param {string} fullname The term which may have the prefix.
+ * @param {string} prefix The prefix to remove.
+ * @returns {string} The term without prefix.
+ */
+function getShorthandName(fullname, prefix) {
+    if (fullname[0] === "@") {
+        let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname);
+
+        if (matchResult) {
+            return matchResult[1];
+        }
+
+        matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname);
+        if (matchResult) {
+            return `${matchResult[1]}/${matchResult[2]}`;
+        }
+    } else if (fullname.startsWith(`${prefix}-`)) {
+        return fullname.slice(prefix.length + 1);
+    }
+
+    return fullname;
+}
+
+/**
+ * Gets the scope (namespace) of a term.
+ * @param {string} term The term which may have the namespace.
+ * @returns {string} The namespace of the term if it has one.
+ */
+function getNamespaceFromTerm(term) {
+    const match = term.match(NAMESPACE_REGEX);
+
+    return match ? match[0] : "";
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    normalizePackageName,
+    getShorthandName,
+    getNamespaceFromTerm
+};
diff --git a/eslint/lib/shared/relative-module-resolver.js b/eslint/lib/shared/relative-module-resolver.js
new file mode 100644
index 0000000..fa6cca7
--- /dev/null
+++ b/eslint/lib/shared/relative-module-resolver.js
@@ -0,0 +1,43 @@
+/**
+ * Utility for resolving a module relative to another module
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const Module = require("module");
+
+/*
+ * `Module.createRequire` is added in v12.2.0. It supports URL as well.
+ * We only support the case where the argument is a filepath, not a URL.
+ */
+const createRequire = Module.createRequire || Module.createRequireFromPath;
+
+module.exports = {
+
+    /**
+     * Resolves a Node module relative to another module
+     * @param {string} moduleName The name of a Node module, or a path to a Node module.
+     * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be
+     * a file rather than a directory, but the file need not actually exist.
+     * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`
+     */
+    resolve(moduleName, relativeToPath) {
+        try {
+            return createRequire(relativeToPath).resolve(moduleName);
+        } catch (error) {
+
+            // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.
+            if (
+                typeof error === "object" &&
+                error !== null &&
+                error.code === "MODULE_NOT_FOUND" &&
+                !error.requireStack &&
+                error.message.includes(moduleName)
+            ) {
+                error.message += `\nRequire stack:\n- ${relativeToPath}`;
+            }
+            throw error;
+        }
+    }
+};
diff --git a/eslint/lib/shared/runtime-info.js b/eslint/lib/shared/runtime-info.js
new file mode 100644
index 0000000..feed005
--- /dev/null
+++ b/eslint/lib/shared/runtime-info.js
@@ -0,0 +1,163 @@
+/**
+ * @fileoverview Utility to get information about the execution environment.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path");
+const spawn = require("cross-spawn");
+const { isEmpty } = require("lodash");
+const log = require("../shared/logging");
+const packageJson = require("../../package.json");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Generates and returns execution environment information.
+ * @returns {string} A string that contains execution environment information.
+ */
+function environment() {
+    const cache = new Map();
+
+    /**
+     * Checks if a path is a child of a directory.
+     * @param {string} parentPath The parent path to check.
+     * @param {string} childPath The path to check.
+     * @returns {boolean} Whether or not the given path is a child of a directory.
+     */
+    function isChildOfDirectory(parentPath, childPath) {
+        return !path.relative(parentPath, childPath).startsWith("..");
+    }
+
+    /**
+     * Synchronously executes a shell command and formats the result.
+     * @param {string} cmd The command to execute.
+     * @param {Array} args The arguments to be executed with the command.
+     * @returns {string} The version returned by the command.
+     */
+    function execCommand(cmd, args) {
+        const key = [cmd, ...args].join(" ");
+
+        if (cache.has(key)) {
+            return cache.get(key);
+        }
+
+        const process = spawn.sync(cmd, args, { encoding: "utf8" });
+
+        if (process.error) {
+            throw process.error;
+        }
+
+        const result = process.stdout.trim();
+
+        cache.set(key, result);
+        return result;
+    }
+
+    /**
+     * Normalizes a version number.
+     * @param {string} versionStr The string to normalize.
+     * @returns {string} The normalized version number.
+     */
+    function normalizeVersionStr(versionStr) {
+        return versionStr.startsWith("v") ? versionStr : `v${versionStr}`;
+    }
+
+    /**
+     * Gets bin version.
+     * @param {string} bin The bin to check.
+     * @returns {string} The normalized version returned by the command.
+     */
+    function getBinVersion(bin) {
+        const binArgs = ["--version"];
+
+        try {
+            return normalizeVersionStr(execCommand(bin, binArgs));
+        } catch (e) {
+            log.error(`Error finding ${bin} version running the command \`${bin} ${binArgs.join(" ")}\``);
+            throw e;
+        }
+    }
+
+    /**
+     * Gets installed npm package version.
+     * @param {string} pkg The package to check.
+     * @param {boolean} global Whether to check globally or not.
+     * @returns {string} The normalized version returned by the command.
+     */
+    function getNpmPackageVersion(pkg, { global = false } = {}) {
+        const npmBinArgs = ["bin", "-g"];
+        const npmLsArgs = ["ls", "--depth=0", "--json", "eslint"];
+
+        if (global) {
+            npmLsArgs.push("-g");
+        }
+
+        try {
+            const parsedStdout = JSON.parse(execCommand("npm", npmLsArgs));
+
+            /*
+             * Checking globally returns an empty JSON object, while local checks
+             * include the name and version of the local project.
+             */
+            if (isEmpty(parsedStdout) || !(parsedStdout.dependencies && parsedStdout.dependencies.eslint)) {
+                return "Not found";
+            }
+
+            const [, processBinPath] = process.argv;
+            let npmBinPath;
+
+            try {
+                npmBinPath = execCommand("npm", npmBinArgs);
+            } catch (e) {
+                log.error(`Error finding npm binary path when running command \`npm ${npmBinArgs.join(" ")}\``);
+                throw e;
+            }
+
+            const isGlobal = isChildOfDirectory(npmBinPath, processBinPath);
+            let pkgVersion = parsedStdout.dependencies.eslint.version;
+
+            if ((global && isGlobal) || (!global && !isGlobal)) {
+                pkgVersion += " (Currently used)";
+            }
+
+            return normalizeVersionStr(pkgVersion);
+        } catch (e) {
+            log.error(`Error finding ${pkg} version running the command \`npm ${npmLsArgs.join(" ")}\``);
+            throw e;
+        }
+    }
+
+    return [
+        "Environment Info:",
+        "",
+        `Node version: ${getBinVersion("node")}`,
+        `npm version: ${getBinVersion("npm")}`,
+        `Local ESLint version: ${getNpmPackageVersion("eslint", { global: false })}`,
+        `Global ESLint version: ${getNpmPackageVersion("eslint", { global: true })}`
+    ].join("\n");
+}
+
+/**
+ * Returns version of currently executing ESLint.
+ * @returns {string} The version from the currently executing ESLint's package.json.
+ */
+function version() {
+    return `v${packageJson.version}`;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    environment,
+    version
+};
diff --git a/eslint/lib/shared/traverser.js b/eslint/lib/shared/traverser.js
new file mode 100644
index 0000000..32f7677
--- /dev/null
+++ b/eslint/lib/shared/traverser.js
@@ -0,0 +1,195 @@
+/**
+ * @fileoverview Traverser to traverse AST trees.
+ * @author Nicholas C. Zakas
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const vk = require("eslint-visitor-keys");
+const debug = require("debug")("eslint:traverser");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Do nothing.
+ * @returns {void}
+ */
+function noop() {
+
+    // do nothing.
+}
+
+/**
+ * Check whether the given value is an ASTNode or not.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is an ASTNode.
+ */
+function isNode(x) {
+    return x !== null && typeof x === "object" && typeof x.type === "string";
+}
+
+/**
+ * Get the visitor keys of a given node.
+ * @param {Object} visitorKeys The map of visitor keys.
+ * @param {ASTNode} node The node to get their visitor keys.
+ * @returns {string[]} The visitor keys of the node.
+ */
+function getVisitorKeys(visitorKeys, node) {
+    let keys = visitorKeys[node.type];
+
+    if (!keys) {
+        keys = vk.getKeys(node);
+        debug("Unknown node type \"%s\": Estimated visitor keys %j", node.type, keys);
+    }
+
+    return keys;
+}
+
+/**
+ * The traverser class to traverse AST trees.
+ */
+class Traverser {
+    constructor() {
+        this._current = null;
+        this._parents = [];
+        this._skipped = false;
+        this._broken = false;
+        this._visitorKeys = null;
+        this._enter = null;
+        this._leave = null;
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {ASTNode} The current node.
+     */
+    current() {
+        return this._current;
+    }
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @returns {ASTNode[]} The ancestor nodes.
+     */
+    parents() {
+        return this._parents.slice(0);
+    }
+
+    /**
+     * Break the current traversal.
+     * @returns {void}
+     */
+    break() {
+        this._broken = true;
+    }
+
+    /**
+     * Skip child nodes for the current traversal.
+     * @returns {void}
+     */
+    skip() {
+        this._skipped = true;
+    }
+
+    /**
+     * Traverse the given AST tree.
+     * @param {ASTNode} node The root node to traverse.
+     * @param {Object} options The option object.
+     * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`.
+     * @param {Function} [options.enter=noop] The callback function which is called on entering each node.
+     * @param {Function} [options.leave=noop] The callback function which is called on leaving each node.
+     * @returns {void}
+     */
+    traverse(node, options) {
+        this._current = null;
+        this._parents = [];
+        this._skipped = false;
+        this._broken = false;
+        this._visitorKeys = options.visitorKeys || vk.KEYS;
+        this._enter = options.enter || noop;
+        this._leave = options.leave || noop;
+        this._traverse(node, null);
+    }
+
+    /**
+     * Traverse the given AST tree recursively.
+     * @param {ASTNode} node The current node.
+     * @param {ASTNode|null} parent The parent node.
+     * @returns {void}
+     * @private
+     */
+    _traverse(node, parent) {
+        if (!isNode(node)) {
+            return;
+        }
+
+        this._current = node;
+        this._skipped = false;
+        this._enter(node, parent);
+
+        if (!this._skipped && !this._broken) {
+            const keys = getVisitorKeys(this._visitorKeys, node);
+
+            if (keys.length >= 1) {
+                this._parents.push(node);
+                for (let i = 0; i < keys.length && !this._broken; ++i) {
+                    const child = node[keys[i]];
+
+                    if (Array.isArray(child)) {
+                        for (let j = 0; j < child.length && !this._broken; ++j) {
+                            this._traverse(child[j], node);
+                        }
+                    } else {
+                        this._traverse(child, node);
+                    }
+                }
+                this._parents.pop();
+            }
+        }
+
+        if (!this._broken) {
+            this._leave(node, parent);
+        }
+
+        this._current = parent;
+    }
+
+    /**
+     * Calculates the keys to use for traversal.
+     * @param {ASTNode} node The node to read keys from.
+     * @returns {string[]} An array of keys to visit on the node.
+     * @private
+     */
+    static getKeys(node) {
+        return vk.getKeys(node);
+    }
+
+    /**
+     * Traverse the given AST tree.
+     * @param {ASTNode} node The root node to traverse.
+     * @param {Object} options The option object.
+     * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`.
+     * @param {Function} [options.enter=noop] The callback function which is called on entering each node.
+     * @param {Function} [options.leave=noop] The callback function which is called on leaving each node.
+     * @returns {void}
+     */
+    static traverse(node, options) {
+        new Traverser().traverse(node, options);
+    }
+
+    /**
+     * The default visitor keys.
+     * @type {Object}
+     */
+    static get DEFAULT_VISITOR_KEYS() {
+        return vk.KEYS;
+    }
+}
+
+module.exports = Traverser;
diff --git a/eslint/lib/shared/types.js b/eslint/lib/shared/types.js
new file mode 100644
index 0000000..bf37327
--- /dev/null
+++ b/eslint/lib/shared/types.js
@@ -0,0 +1,143 @@
+/**
+ * @fileoverview Define common types for input completion.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+/** @type {any} */
+module.exports = {};
+
+/** @typedef {boolean | "off" | "readable" | "readonly" | "writable" | "writeable"} GlobalConf */
+/** @typedef {0 | 1 | 2 | "off" | "warn" | "error"} SeverityConf */
+/** @typedef {SeverityConf | [SeverityConf, ...any[]]} RuleConf */
+
+/**
+ * @typedef {Object} EcmaFeatures
+ * @property {boolean} [globalReturn] Enabling `return` statements at the top-level.
+ * @property {boolean} [jsx] Enabling JSX syntax.
+ * @property {boolean} [impliedStrict] Enabling strict mode always.
+ */
+
+/**
+ * @typedef {Object} ParserOptions
+ * @property {EcmaFeatures} [ecmaFeatures] The optional features.
+ * @property {3|5|6|7|8|9|10|11|2015|2016|2017|2018|2019|2020} [ecmaVersion] The ECMAScript version (or revision number).
+ * @property {"script"|"module"} [sourceType] The source code type.
+ */
+
+/**
+ * @typedef {Object} ConfigData
+ * @property {Record<string, boolean>} [env] The environment settings.
+ * @property {string | string[]} [extends] The path to other config files or the package name of shareable configs.
+ * @property {Record<string, GlobalConf>} [globals] The global variable settings.
+ * @property {string | string[]} [ignorePatterns] The glob patterns that ignore to lint.
+ * @property {boolean} [noInlineConfig] The flag that disables directive comments.
+ * @property {OverrideConfigData[]} [overrides] The override settings per kind of files.
+ * @property {string} [parser] The path to a parser or the package name of a parser.
+ * @property {ParserOptions} [parserOptions] The parser options.
+ * @property {string[]} [plugins] The plugin specifiers.
+ * @property {string} [processor] The processor specifier.
+ * @property {boolean} [reportUnusedDisableDirectives] The flag to report unused `eslint-disable` comments.
+ * @property {boolean} [root] The root flag.
+ * @property {Record<string, RuleConf>} [rules] The rule settings.
+ * @property {Object} [settings] The shared settings.
+ */
+
+/**
+ * @typedef {Object} OverrideConfigData
+ * @property {Record<string, boolean>} [env] The environment settings.
+ * @property {string | string[]} [excludedFiles] The glob pattarns for excluded files.
+ * @property {string | string[]} [extends] The path to other config files or the package name of shareable configs.
+ * @property {string | string[]} files The glob pattarns for target files.
+ * @property {Record<string, GlobalConf>} [globals] The global variable settings.
+ * @property {boolean} [noInlineConfig] The flag that disables directive comments.
+ * @property {OverrideConfigData[]} [overrides] The override settings per kind of files.
+ * @property {string} [parser] The path to a parser or the package name of a parser.
+ * @property {ParserOptions} [parserOptions] The parser options.
+ * @property {string[]} [plugins] The plugin specifiers.
+ * @property {string} [processor] The processor specifier.
+ * @property {boolean} [reportUnusedDisableDirectives] The flag to report unused `eslint-disable` comments.
+ * @property {Record<string, RuleConf>} [rules] The rule settings.
+ * @property {Object} [settings] The shared settings.
+ */
+
+/**
+ * @typedef {Object} ParseResult
+ * @property {Object} ast The AST.
+ * @property {ScopeManager} [scopeManager] The scope manager of the AST.
+ * @property {Record<string, any>} [services] The services that the parser provides.
+ * @property {Record<string, string[]>} [visitorKeys] The visitor keys of the AST.
+ */
+
+/**
+ * @typedef {Object} Parser
+ * @property {(text:string, options:ParserOptions) => Object} parse The definition of global variables.
+ * @property {(text:string, options:ParserOptions) => ParseResult} [parseForESLint] The parser options that will be enabled under this environment.
+ */
+
+/**
+ * @typedef {Object} Environment
+ * @property {Record<string, GlobalConf>} [globals] The definition of global variables.
+ * @property {ParserOptions} [parserOptions] The parser options that will be enabled under this environment.
+ */
+
+/**
+ * @typedef {Object} LintMessage
+ * @property {number} column The 1-based column number.
+ * @property {number} [endColumn] The 1-based column number of the end location.
+ * @property {number} [endLine] The 1-based line number of the end location.
+ * @property {boolean} fatal If `true` then this is a fatal error.
+ * @property {{range:[number,number], text:string}} [fix] Information for autofix.
+ * @property {number} line The 1-based line number.
+ * @property {string} message The error message.
+ * @property {string|null} ruleId The ID of the rule which makes this message.
+ * @property {0|1|2} severity The severity of this message.
+ * @property {Array<{desc?: string, messageId?: string, fix: {range: [number, number], text: string}}>} [suggestions] Information for suggestions.
+ */
+
+/**
+ * @typedef {Object} SuggestionResult
+ * @property {string} desc A short description.
+ * @property {string} [messageId] Id referencing a message for the description.
+ * @property {{ text: string, range: number[] }} fix fix result info
+ */
+
+/**
+ * @typedef {Object} Processor
+ * @property {(text:string, filename:string) => Array<string | { text:string, filename:string }>} [preprocess] The function to extract code blocks.
+ * @property {(messagesList:LintMessage[][], filename:string) => LintMessage[]} [postprocess] The function to merge messages.
+ * @property {boolean} [supportsAutofix] If `true` then it means the processor supports autofix.
+ */
+
+/**
+ * @typedef {Object} RuleMetaDocs
+ * @property {string} category The category of the rule.
+ * @property {string} description The description of the rule.
+ * @property {boolean} recommended If `true` then the rule is included in `eslint:recommended` preset.
+ * @property {string} url The URL of the rule documentation.
+ */
+
+/**
+ * @typedef {Object} RuleMeta
+ * @property {boolean} [deprecated] If `true` then the rule has been deprecated.
+ * @property {RuleMetaDocs} docs The document information of the rule.
+ * @property {"code"|"whitespace"} [fixable] The autofix type.
+ * @property {Record<string,string>} [messages] The messages the rule reports.
+ * @property {string[]} [replacedBy] The IDs of the alternative rules.
+ * @property {Array|Object} schema The option schema of the rule.
+ * @property {"problem"|"suggestion"|"layout"} type The rule type.
+ */
+
+/**
+ * @typedef {Object} Rule
+ * @property {Function} create The factory of the rule.
+ * @property {RuleMeta} meta The meta data of the rule.
+ */
+
+/**
+ * @typedef {Object} Plugin
+ * @property {Record<string, ConfigData>} [configs] The definition of plugin configs.
+ * @property {Record<string, Environment>} [environments] The definition of plugin environments.
+ * @property {Record<string, Processor>} [processors] The definition of plugin processors.
+ * @property {Record<string, Function | Rule>} [rules] The definition of plugin rules.
+ */
diff --git a/eslint/lib/source-code/index.js b/eslint/lib/source-code/index.js
new file mode 100644
index 0000000..76e2786
--- /dev/null
+++ b/eslint/lib/source-code/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = {
+    SourceCode: require("./source-code")
+};
diff --git a/eslint/lib/source-code/source-code.js b/eslint/lib/source-code/source-code.js
new file mode 100644
index 0000000..591d5a7
--- /dev/null
+++ b/eslint/lib/source-code/source-code.js
@@ -0,0 +1,585 @@
+/**
+ * @fileoverview Abstraction of JavaScript source code.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    { isCommentToken } = require("eslint-utils"),
+    TokenStore = require("./token-store"),
+    astUtils = require("../shared/ast-utils"),
+    Traverser = require("../shared/traverser"),
+    lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Validates that the given AST has the required information.
+ * @param {ASTNode} ast The Program node of the AST to check.
+ * @throws {Error} If the AST doesn't contain the correct information.
+ * @returns {void}
+ * @private
+ */
+function validate(ast) {
+    if (!ast.tokens) {
+        throw new Error("AST is missing the tokens array.");
+    }
+
+    if (!ast.comments) {
+        throw new Error("AST is missing the comments array.");
+    }
+
+    if (!ast.loc) {
+        throw new Error("AST is missing location information.");
+    }
+
+    if (!ast.range) {
+        throw new Error("AST is missing range information");
+    }
+}
+
+/**
+ * Check to see if its a ES6 export declaration.
+ * @param {ASTNode} astNode An AST node.
+ * @returns {boolean} whether the given node represents an export declaration.
+ * @private
+ */
+function looksLikeExport(astNode) {
+    return astNode.type === "ExportDefaultDeclaration" || astNode.type === "ExportNamedDeclaration" ||
+        astNode.type === "ExportAllDeclaration" || astNode.type === "ExportSpecifier";
+}
+
+/**
+ * Merges two sorted lists into a larger sorted list in O(n) time.
+ * @param {Token[]} tokens The list of tokens.
+ * @param {Token[]} comments The list of comments.
+ * @returns {Token[]} A sorted list of tokens and comments.
+ * @private
+ */
+function sortedMerge(tokens, comments) {
+    const result = [];
+    let tokenIndex = 0;
+    let commentIndex = 0;
+
+    while (tokenIndex < tokens.length || commentIndex < comments.length) {
+        if (commentIndex >= comments.length || tokenIndex < tokens.length && tokens[tokenIndex].range[0] < comments[commentIndex].range[0]) {
+            result.push(tokens[tokenIndex++]);
+        } else {
+            result.push(comments[commentIndex++]);
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Determines if two nodes or tokens overlap.
+ * @param {ASTNode|Token} first The first node or token to check.
+ * @param {ASTNode|Token} second The second node or token to check.
+ * @returns {boolean} True if the two nodes or tokens overlap.
+ * @private
+ */
+function nodesOrTokensOverlap(first, second) {
+    return (first.range[0] <= second.range[0] && first.range[1] >= second.range[0]) ||
+        (second.range[0] <= first.range[0] && second.range[1] >= first.range[0]);
+}
+
+/**
+ * Determines if two nodes or tokens have at least one whitespace character
+ * between them. Order does not matter. Returns false if the given nodes or
+ * tokens overlap.
+ * @param {SourceCode} sourceCode The source code object.
+ * @param {ASTNode|Token} first The first node or token to check between.
+ * @param {ASTNode|Token} second The second node or token to check between.
+ * @param {boolean} checkInsideOfJSXText If `true` is present, check inside of JSXText tokens for backward compatibility.
+ * @returns {boolean} True if there is a whitespace character between
+ * any of the tokens found between the two given nodes or tokens.
+ * @public
+ */
+function isSpaceBetween(sourceCode, first, second, checkInsideOfJSXText) {
+    if (nodesOrTokensOverlap(first, second)) {
+        return false;
+    }
+
+    const [startingNodeOrToken, endingNodeOrToken] = first.range[1] <= second.range[0]
+        ? [first, second]
+        : [second, first];
+    const firstToken = sourceCode.getLastToken(startingNodeOrToken) || startingNodeOrToken;
+    const finalToken = sourceCode.getFirstToken(endingNodeOrToken) || endingNodeOrToken;
+    let currentToken = firstToken;
+
+    while (currentToken !== finalToken) {
+        const nextToken = sourceCode.getTokenAfter(currentToken, { includeComments: true });
+
+        if (
+            currentToken.range[1] !== nextToken.range[0] ||
+
+                /*
+                 * For backward compatibility, check spaces in JSXText.
+                 * https://github.com/eslint/eslint/issues/12614
+                 */
+                (
+                    checkInsideOfJSXText &&
+                    nextToken !== finalToken &&
+                    nextToken.type === "JSXText" &&
+                    /\s/u.test(nextToken.value)
+                )
+        ) {
+            return true;
+        }
+
+        currentToken = nextToken;
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+class SourceCode extends TokenStore {
+
+    /**
+     * Represents parsed source code.
+     * @param {string|Object} textOrConfig The source code text or config object.
+     * @param {string} textOrConfig.text The source code text.
+     * @param {ASTNode} textOrConfig.ast The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+     * @param {Object|null} textOrConfig.parserServices The parser services.
+     * @param {ScopeManager|null} textOrConfig.scopeManager The scope of this source code.
+     * @param {Object|null} textOrConfig.visitorKeys The visitor keys to traverse AST.
+     * @param {ASTNode} [astIfNoConfig] The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+     */
+    constructor(textOrConfig, astIfNoConfig) {
+        let text, ast, parserServices, scopeManager, visitorKeys;
+
+        // Process overloading.
+        if (typeof textOrConfig === "string") {
+            text = textOrConfig;
+            ast = astIfNoConfig;
+        } else if (typeof textOrConfig === "object" && textOrConfig !== null) {
+            text = textOrConfig.text;
+            ast = textOrConfig.ast;
+            parserServices = textOrConfig.parserServices;
+            scopeManager = textOrConfig.scopeManager;
+            visitorKeys = textOrConfig.visitorKeys;
+        }
+
+        validate(ast);
+        super(ast.tokens, ast.comments);
+
+        /**
+         * The flag to indicate that the source code has Unicode BOM.
+         * @type boolean
+         */
+        this.hasBOM = (text.charCodeAt(0) === 0xFEFF);
+
+        /**
+         * The original text source code.
+         * BOM was stripped from this text.
+         * @type string
+         */
+        this.text = (this.hasBOM ? text.slice(1) : text);
+
+        /**
+         * The parsed AST for the source code.
+         * @type ASTNode
+         */
+        this.ast = ast;
+
+        /**
+         * The parser services of this source code.
+         * @type {Object}
+         */
+        this.parserServices = parserServices || {};
+
+        /**
+         * The scope of this source code.
+         * @type {ScopeManager|null}
+         */
+        this.scopeManager = scopeManager || null;
+
+        /**
+         * The visitor keys to traverse AST.
+         * @type {Object}
+         */
+        this.visitorKeys = visitorKeys || Traverser.DEFAULT_VISITOR_KEYS;
+
+        // Check the source text for the presence of a shebang since it is parsed as a standard line comment.
+        const shebangMatched = this.text.match(astUtils.shebangPattern);
+        const hasShebang = shebangMatched && ast.comments.length && ast.comments[0].value === shebangMatched[1];
+
+        if (hasShebang) {
+            ast.comments[0].type = "Shebang";
+        }
+
+        this.tokensAndComments = sortedMerge(ast.tokens, ast.comments);
+
+        /**
+         * The source code split into lines according to ECMA-262 specification.
+         * This is done to avoid each rule needing to do so separately.
+         * @type string[]
+         */
+        this.lines = [];
+        this.lineStartIndices = [0];
+
+        const lineEndingPattern = astUtils.createGlobalLinebreakMatcher();
+        let match;
+
+        /*
+         * Previously, this was implemented using a regex that
+         * matched a sequence of non-linebreak characters followed by a
+         * linebreak, then adding the lengths of the matches. However,
+         * this caused a catastrophic backtracking issue when the end
+         * of a file contained a large number of non-newline characters.
+         * To avoid this, the current implementation just matches newlines
+         * and uses match.index to get the correct line start indices.
+         */
+        while ((match = lineEndingPattern.exec(this.text))) {
+            this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1], match.index));
+            this.lineStartIndices.push(match.index + match[0].length);
+        }
+        this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1]));
+
+        // Cache for comments found using getComments().
+        this._commentCache = new WeakMap();
+
+        // don't allow modification of this object
+        Object.freeze(this);
+        Object.freeze(this.lines);
+    }
+
+    /**
+     * Split the source code into multiple lines based on the line delimiters.
+     * @param {string} text Source code as a string.
+     * @returns {string[]} Array of source code lines.
+     * @public
+     */
+    static splitLines(text) {
+        return text.split(astUtils.createGlobalLinebreakMatcher());
+    }
+
+    /**
+     * Gets the source code for the given node.
+     * @param {ASTNode} [node] The AST node to get the text for.
+     * @param {int} [beforeCount] The number of characters before the node to retrieve.
+     * @param {int} [afterCount] The number of characters after the node to retrieve.
+     * @returns {string} The text representing the AST node.
+     * @public
+     */
+    getText(node, beforeCount, afterCount) {
+        if (node) {
+            return this.text.slice(Math.max(node.range[0] - (beforeCount || 0), 0),
+                node.range[1] + (afterCount || 0));
+        }
+        return this.text;
+    }
+
+    /**
+     * Gets the entire source text split into an array of lines.
+     * @returns {Array} The source text as an array of lines.
+     * @public
+     */
+    getLines() {
+        return this.lines;
+    }
+
+    /**
+     * Retrieves an array containing all comments in the source code.
+     * @returns {ASTNode[]} An array of comment nodes.
+     * @public
+     */
+    getAllComments() {
+        return this.ast.comments;
+    }
+
+    /**
+     * Gets all comments for the given node.
+     * @param {ASTNode} node The AST node to get the comments for.
+     * @returns {Object} An object containing a leading and trailing array
+     *      of comments indexed by their position.
+     * @public
+     */
+    getComments(node) {
+        if (this._commentCache.has(node)) {
+            return this._commentCache.get(node);
+        }
+
+        const comments = {
+            leading: [],
+            trailing: []
+        };
+
+        /*
+         * Return all comments as leading comments of the Program node when
+         * there is no executable code.
+         */
+        if (node.type === "Program") {
+            if (node.body.length === 0) {
+                comments.leading = node.comments;
+            }
+        } else {
+
+            /*
+             * Return comments as trailing comments of nodes that only contain
+             * comments (to mimic the comment attachment behavior present in Espree).
+             */
+            if ((node.type === "BlockStatement" || node.type === "ClassBody") && node.body.length === 0 ||
+                node.type === "ObjectExpression" && node.properties.length === 0 ||
+                node.type === "ArrayExpression" && node.elements.length === 0 ||
+                node.type === "SwitchStatement" && node.cases.length === 0
+            ) {
+                comments.trailing = this.getTokens(node, {
+                    includeComments: true,
+                    filter: isCommentToken
+                });
+            }
+
+            /*
+             * Iterate over tokens before and after node and collect comment tokens.
+             * Do not include comments that exist outside of the parent node
+             * to avoid duplication.
+             */
+            let currentToken = this.getTokenBefore(node, { includeComments: true });
+
+            while (currentToken && isCommentToken(currentToken)) {
+                if (node.parent && (currentToken.start < node.parent.start)) {
+                    break;
+                }
+                comments.leading.push(currentToken);
+                currentToken = this.getTokenBefore(currentToken, { includeComments: true });
+            }
+
+            comments.leading.reverse();
+
+            currentToken = this.getTokenAfter(node, { includeComments: true });
+
+            while (currentToken && isCommentToken(currentToken)) {
+                if (node.parent && (currentToken.end > node.parent.end)) {
+                    break;
+                }
+                comments.trailing.push(currentToken);
+                currentToken = this.getTokenAfter(currentToken, { includeComments: true });
+            }
+        }
+
+        this._commentCache.set(node, comments);
+        return comments;
+    }
+
+    /**
+     * Retrieves the JSDoc comment for a given node.
+     * @param {ASTNode} node The AST node to get the comment for.
+     * @returns {Token|null} The Block comment token containing the JSDoc comment
+     *      for the given node or null if not found.
+     * @public
+     * @deprecated
+     */
+    getJSDocComment(node) {
+
+        /**
+         * Checks for the presence of a JSDoc comment for the given node and returns it.
+         * @param {ASTNode} astNode The AST node to get the comment for.
+         * @returns {Token|null} The Block comment token containing the JSDoc comment
+         *      for the given node or null if not found.
+         * @private
+         */
+        const findJSDocComment = astNode => {
+            const tokenBefore = this.getTokenBefore(astNode, { includeComments: true });
+
+            if (
+                tokenBefore &&
+                isCommentToken(tokenBefore) &&
+                tokenBefore.type === "Block" &&
+                tokenBefore.value.charAt(0) === "*" &&
+                astNode.loc.start.line - tokenBefore.loc.end.line <= 1
+            ) {
+                return tokenBefore;
+            }
+
+            return null;
+        };
+        let parent = node.parent;
+
+        switch (node.type) {
+            case "ClassDeclaration":
+            case "FunctionDeclaration":
+                return findJSDocComment(looksLikeExport(parent) ? parent : node);
+
+            case "ClassExpression":
+                return findJSDocComment(parent.parent);
+
+            case "ArrowFunctionExpression":
+            case "FunctionExpression":
+                if (parent.type !== "CallExpression" && parent.type !== "NewExpression") {
+                    while (
+                        !this.getCommentsBefore(parent).length &&
+                        !/Function/u.test(parent.type) &&
+                        parent.type !== "MethodDefinition" &&
+                        parent.type !== "Property"
+                    ) {
+                        parent = parent.parent;
+
+                        if (!parent) {
+                            break;
+                        }
+                    }
+
+                    if (parent && parent.type !== "FunctionDeclaration" && parent.type !== "Program") {
+                        return findJSDocComment(parent);
+                    }
+                }
+
+                return findJSDocComment(node);
+
+            // falls through
+            default:
+                return null;
+        }
+    }
+
+    /**
+     * Gets the deepest node containing a range index.
+     * @param {int} index Range index of the desired node.
+     * @returns {ASTNode} The node if found or null if not found.
+     * @public
+     */
+    getNodeByRangeIndex(index) {
+        let result = null;
+
+        Traverser.traverse(this.ast, {
+            visitorKeys: this.visitorKeys,
+            enter(node) {
+                if (node.range[0] <= index && index < node.range[1]) {
+                    result = node;
+                } else {
+                    this.skip();
+                }
+            },
+            leave(node) {
+                if (node === result) {
+                    this.break();
+                }
+            }
+        });
+
+        return result;
+    }
+
+    /**
+     * Determines if two nodes or tokens have at least one whitespace character
+     * between them. Order does not matter. Returns false if the given nodes or
+     * tokens overlap.
+     * @param {ASTNode|Token} first The first node or token to check between.
+     * @param {ASTNode|Token} second The second node or token to check between.
+     * @returns {boolean} True if there is a whitespace character between
+     * any of the tokens found between the two given nodes or tokens.
+     * @public
+     */
+    isSpaceBetween(first, second) {
+        return isSpaceBetween(this, first, second, false);
+    }
+
+    /**
+     * Determines if two nodes or tokens have at least one whitespace character
+     * between them. Order does not matter. Returns false if the given nodes or
+     * tokens overlap.
+     * For backward compatibility, this method returns true if there are
+     * `JSXText` tokens that contain whitespaces between the two.
+     * @param {ASTNode|Token} first The first node or token to check between.
+     * @param {ASTNode|Token} second The second node or token to check between.
+     * @returns {boolean} True if there is a whitespace character between
+     * any of the tokens found between the two given nodes or tokens.
+     * @deprecated in favor of isSpaceBetween().
+     * @public
+     */
+    isSpaceBetweenTokens(first, second) {
+        return isSpaceBetween(this, first, second, true);
+    }
+
+    /**
+     * Converts a source text index into a (line, column) pair.
+     * @param {number} index The index of a character in a file
+     * @returns {Object} A {line, column} location object with a 0-indexed column
+     * @public
+     */
+    getLocFromIndex(index) {
+        if (typeof index !== "number") {
+            throw new TypeError("Expected `index` to be a number.");
+        }
+
+        if (index < 0 || index > this.text.length) {
+            throw new RangeError(`Index out of range (requested index ${index}, but source text has length ${this.text.length}).`);
+        }
+
+        /*
+         * For an argument of this.text.length, return the location one "spot" past the last character
+         * of the file. If the last character is a linebreak, the location will be column 0 of the next
+         * line; otherwise, the location will be in the next column on the same line.
+         *
+         * See getIndexFromLoc for the motivation for this special case.
+         */
+        if (index === this.text.length) {
+            return { line: this.lines.length, column: this.lines[this.lines.length - 1].length };
+        }
+
+        /*
+         * To figure out which line rangeIndex is on, determine the last index at which rangeIndex could
+         * be inserted into lineIndices to keep the list sorted.
+         */
+        const lineNumber = lodash.sortedLastIndex(this.lineStartIndices, index);
+
+        return { line: lineNumber, column: index - this.lineStartIndices[lineNumber - 1] };
+    }
+
+    /**
+     * Converts a (line, column) pair into a range index.
+     * @param {Object} loc A line/column location
+     * @param {number} loc.line The line number of the location (1-indexed)
+     * @param {number} loc.column The column number of the location (0-indexed)
+     * @returns {number} The range index of the location in the file.
+     * @public
+     */
+    getIndexFromLoc(loc) {
+        if (typeof loc !== "object" || typeof loc.line !== "number" || typeof loc.column !== "number") {
+            throw new TypeError("Expected `loc` to be an object with numeric `line` and `column` properties.");
+        }
+
+        if (loc.line <= 0) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested). Line numbers should be 1-based.`);
+        }
+
+        if (loc.line > this.lineStartIndices.length) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested, but only ${this.lineStartIndices.length} lines present).`);
+        }
+
+        const lineStartIndex = this.lineStartIndices[loc.line - 1];
+        const lineEndIndex = loc.line === this.lineStartIndices.length ? this.text.length : this.lineStartIndices[loc.line];
+        const positionIndex = lineStartIndex + loc.column;
+
+        /*
+         * By design, getIndexFromLoc({ line: lineNum, column: 0 }) should return the start index of
+         * the given line, provided that the line number is valid element of this.lines. Since the
+         * last element of this.lines is an empty string for files with trailing newlines, add a
+         * special case where getting the index for the first location after the end of the file
+         * will return the length of the file, rather than throwing an error. This allows rules to
+         * use getIndexFromLoc consistently without worrying about edge cases at the end of a file.
+         */
+        if (
+            loc.line === this.lineStartIndices.length && positionIndex > lineEndIndex ||
+            loc.line < this.lineStartIndices.length && positionIndex >= lineEndIndex
+        ) {
+            throw new RangeError(`Column number out of range (column ${loc.column} requested, but the length of line ${loc.line} is ${lineEndIndex - lineStartIndex}).`);
+        }
+
+        return positionIndex;
+    }
+}
+
+module.exports = SourceCode;
diff --git a/eslint/lib/source-code/token-store/backward-token-comment-cursor.js b/eslint/lib/source-code/token-store/backward-token-comment-cursor.js
new file mode 100644
index 0000000..7255a62
--- /dev/null
+++ b/eslint/lib/source-code/token-store/backward-token-comment-cursor.js
@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments in reverse.
+ */
+module.exports = class BackwardTokenCommentCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.comments = comments;
+        this.tokenIndex = utils.getLastIndex(tokens, indexMap, endLoc);
+        this.commentIndex = utils.search(comments, endLoc) - 1;
+        this.border = startLoc;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const token = (this.tokenIndex >= 0) ? this.tokens[this.tokenIndex] : null;
+        const comment = (this.commentIndex >= 0) ? this.comments[this.commentIndex] : null;
+
+        if (token && (!comment || token.range[1] > comment.range[1])) {
+            this.current = token;
+            this.tokenIndex -= 1;
+        } else if (comment) {
+            this.current = comment;
+            this.commentIndex -= 1;
+        } else {
+            this.current = null;
+        }
+
+        return Boolean(this.current) && (this.border === -1 || this.current.range[0] >= this.border);
+    }
+};
diff --git a/eslint/lib/source-code/token-store/backward-token-cursor.js b/eslint/lib/source-code/token-store/backward-token-cursor.js
new file mode 100644
index 0000000..454a244
--- /dev/null
+++ b/eslint/lib/source-code/token-store/backward-token-cursor.js
@@ -0,0 +1,58 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only in reverse.
+ */
+module.exports = class BackwardTokenCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.index = utils.getLastIndex(tokens, indexMap, endLoc);
+        this.indexEnd = utils.getFirstIndex(tokens, indexMap, startLoc);
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.index >= this.indexEnd) {
+            this.current = this.tokens[this.index];
+            this.index -= 1;
+            return true;
+        }
+        return false;
+    }
+
+    /*
+     *
+     * Shorthand for performance.
+     *
+     */
+
+    /** @inheritdoc */
+    getOneToken() {
+        return (this.index >= this.indexEnd) ? this.tokens[this.index] : null;
+    }
+};
diff --git a/eslint/lib/source-code/token-store/cursor.js b/eslint/lib/source-code/token-store/cursor.js
new file mode 100644
index 0000000..4e1595c
--- /dev/null
+++ b/eslint/lib/source-code/token-store/cursor.js
@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Define the abstract class about cursors which iterate tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which iterate tokens.
+ *
+ * This class has 2 abstract methods.
+ *
+ * - `current: Token | Comment | null` ... The current token.
+ * - `moveNext(): boolean` ... Moves this cursor to the next token. If the next token didn't exist, it returns `false`.
+ *
+ * This is similar to ES2015 Iterators.
+ * However, Iterators were slow (at 2017-01), so I created this class as similar to C# IEnumerable.
+ *
+ * There are the following known sub classes.
+ *
+ * - ForwardTokenCursor .......... The cursor which iterates tokens only.
+ * - BackwardTokenCursor ......... The cursor which iterates tokens only in reverse.
+ * - ForwardTokenCommentCursor ... The cursor which iterates tokens and comments.
+ * - BackwardTokenCommentCursor .. The cursor which iterates tokens and comments in reverse.
+ * - DecorativeCursor
+ *     - FilterCursor ............ The cursor which ignores the specified tokens.
+ *     - SkipCursor .............. The cursor which ignores the first few tokens.
+ *     - LimitCursor ............. The cursor which limits the count of tokens.
+ *
+ */
+module.exports = class Cursor {
+
+    /**
+     * Initializes this cursor.
+     */
+    constructor() {
+        this.current = null;
+    }
+
+    /**
+     * Gets the first token.
+     * This consumes this cursor.
+     * @returns {Token|Comment} The first token or null.
+     */
+    getOneToken() {
+        return this.moveNext() ? this.current : null;
+    }
+
+    /**
+     * Gets the first tokens.
+     * This consumes this cursor.
+     * @returns {(Token|Comment)[]} All tokens.
+     */
+    getAllTokens() {
+        const tokens = [];
+
+        while (this.moveNext()) {
+            tokens.push(this.current);
+        }
+
+        return tokens;
+    }
+
+    /**
+     * Moves this cursor to the next token.
+     * @returns {boolean} `true` if the next token exists.
+     * @abstract
+     */
+    /* istanbul ignore next */
+    moveNext() { // eslint-disable-line class-methods-use-this
+        throw new Error("Not implemented.");
+    }
+};
diff --git a/eslint/lib/source-code/token-store/cursors.js b/eslint/lib/source-code/token-store/cursors.js
new file mode 100644
index 0000000..30c72b6
--- /dev/null
+++ b/eslint/lib/source-code/token-store/cursors.js
@@ -0,0 +1,90 @@
+/**
+ * @fileoverview Define 2 token factories; forward and backward.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const BackwardTokenCommentCursor = require("./backward-token-comment-cursor");
+const BackwardTokenCursor = require("./backward-token-cursor");
+const FilterCursor = require("./filter-cursor");
+const ForwardTokenCommentCursor = require("./forward-token-comment-cursor");
+const ForwardTokenCursor = require("./forward-token-cursor");
+const LimitCursor = require("./limit-cursor");
+const SkipCursor = require("./skip-cursor");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor factory.
+ * @private
+ */
+class CursorFactory {
+
+    /**
+     * Initializes this cursor.
+     * @param {Function} TokenCursor The class of the cursor which iterates tokens only.
+     * @param {Function} TokenCommentCursor The class of the cursor which iterates the mix of tokens and comments.
+     */
+    constructor(TokenCursor, TokenCommentCursor) {
+        this.TokenCursor = TokenCursor;
+        this.TokenCommentCursor = TokenCommentCursor;
+    }
+
+    /**
+     * Creates a base cursor instance that can be decorated by createCursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {boolean} includeComments The flag to iterate comments as well.
+     * @returns {Cursor} The created base cursor.
+     */
+    createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments) {
+        const Cursor = includeComments ? this.TokenCommentCursor : this.TokenCursor;
+
+        return new Cursor(tokens, comments, indexMap, startLoc, endLoc);
+    }
+
+    /**
+     * Creates a cursor that iterates tokens with normalized options.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {boolean} includeComments The flag to iterate comments as well.
+     * @param {Function|null} filter The predicate function to choose tokens.
+     * @param {number} skip The count of tokens the cursor skips.
+     * @param {number} count The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+     * @returns {Cursor} The created cursor.
+     */
+    createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, count) {
+        let cursor = this.createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments);
+
+        if (filter) {
+            cursor = new FilterCursor(cursor, filter);
+        }
+        if (skip >= 1) {
+            cursor = new SkipCursor(cursor, skip);
+        }
+        if (count >= 0) {
+            cursor = new LimitCursor(cursor, count);
+        }
+
+        return cursor;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+exports.forward = new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor);
+exports.backward = new CursorFactory(BackwardTokenCursor, BackwardTokenCommentCursor);
diff --git a/eslint/lib/source-code/token-store/decorative-cursor.js b/eslint/lib/source-code/token-store/decorative-cursor.js
new file mode 100644
index 0000000..3ee7b0b
--- /dev/null
+++ b/eslint/lib/source-code/token-store/decorative-cursor.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Define the abstract class about cursors which manipulate another cursor.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which manipulate another cursor.
+ */
+module.exports = class DecorativeCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     */
+    constructor(cursor) {
+        super();
+        this.cursor = cursor;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const retv = this.cursor.moveNext();
+
+        this.current = this.cursor.current;
+
+        return retv;
+    }
+};
diff --git a/eslint/lib/source-code/token-store/filter-cursor.js b/eslint/lib/source-code/token-store/filter-cursor.js
new file mode 100644
index 0000000..08c4f22
--- /dev/null
+++ b/eslint/lib/source-code/token-store/filter-cursor.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Define the cursor which ignores specified tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores specified tokens.
+ */
+module.exports = class FilterCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {Function} predicate The predicate function to decide tokens this cursor iterates.
+     */
+    constructor(cursor, predicate) {
+        super(cursor);
+        this.predicate = predicate;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const predicate = this.predicate;
+
+        while (super.moveNext()) {
+            if (predicate(this.current)) {
+                return true;
+            }
+        }
+        return false;
+    }
+};
diff --git a/eslint/lib/source-code/token-store/forward-token-comment-cursor.js b/eslint/lib/source-code/token-store/forward-token-comment-cursor.js
new file mode 100644
index 0000000..50c7a39
--- /dev/null
+++ b/eslint/lib/source-code/token-store/forward-token-comment-cursor.js
@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments.
+ */
+module.exports = class ForwardTokenCommentCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.comments = comments;
+        this.tokenIndex = utils.getFirstIndex(tokens, indexMap, startLoc);
+        this.commentIndex = utils.search(comments, startLoc);
+        this.border = endLoc;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const token = (this.tokenIndex < this.tokens.length) ? this.tokens[this.tokenIndex] : null;
+        const comment = (this.commentIndex < this.comments.length) ? this.comments[this.commentIndex] : null;
+
+        if (token && (!comment || token.range[0] < comment.range[0])) {
+            this.current = token;
+            this.tokenIndex += 1;
+        } else if (comment) {
+            this.current = comment;
+            this.commentIndex += 1;
+        } else {
+            this.current = null;
+        }
+
+        return Boolean(this.current) && (this.border === -1 || this.current.range[1] <= this.border);
+    }
+};
diff --git a/eslint/lib/source-code/token-store/forward-token-cursor.js b/eslint/lib/source-code/token-store/forward-token-cursor.js
new file mode 100644
index 0000000..e8c1860
--- /dev/null
+++ b/eslint/lib/source-code/token-store/forward-token-cursor.js
@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only.
+ */
+module.exports = class ForwardTokenCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.index = utils.getFirstIndex(tokens, indexMap, startLoc);
+        this.indexEnd = utils.getLastIndex(tokens, indexMap, endLoc);
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.index <= this.indexEnd) {
+            this.current = this.tokens[this.index];
+            this.index += 1;
+            return true;
+        }
+        return false;
+    }
+
+    /*
+     *
+     * Shorthand for performance.
+     *
+     */
+
+    /** @inheritdoc */
+    getOneToken() {
+        return (this.index <= this.indexEnd) ? this.tokens[this.index] : null;
+    }
+
+    /** @inheritdoc */
+    getAllTokens() {
+        return this.tokens.slice(this.index, this.indexEnd + 1);
+    }
+};
diff --git a/eslint/lib/source-code/token-store/index.js b/eslint/lib/source-code/token-store/index.js
new file mode 100644
index 0000000..25db8a4
--- /dev/null
+++ b/eslint/lib/source-code/token-store/index.js
@@ -0,0 +1,627 @@
+/**
+ * @fileoverview Object to handle access and retrieval of tokens.
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert");
+const { isCommentToken } = require("eslint-utils");
+const cursors = require("./cursors");
+const ForwardTokenCursor = require("./forward-token-cursor");
+const PaddedTokenCursor = require("./padded-token-cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const TOKENS = Symbol("tokens");
+const COMMENTS = Symbol("comments");
+const INDEX_MAP = Symbol("indexMap");
+
+/**
+ * Creates the map from locations to indices in `tokens`.
+ *
+ * The first/last location of tokens is mapped to the index of the token.
+ * The first/last location of comments is mapped to the index of the next token of each comment.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @returns {Object} The map from locations to indices in `tokens`.
+ * @private
+ */
+function createIndexMap(tokens, comments) {
+    const map = Object.create(null);
+    let tokenIndex = 0;
+    let commentIndex = 0;
+    let nextStart = 0;
+    let range = null;
+
+    while (tokenIndex < tokens.length || commentIndex < comments.length) {
+        nextStart = (commentIndex < comments.length) ? comments[commentIndex].range[0] : Number.MAX_SAFE_INTEGER;
+        while (tokenIndex < tokens.length && (range = tokens[tokenIndex].range)[0] < nextStart) {
+            map[range[0]] = tokenIndex;
+            map[range[1] - 1] = tokenIndex;
+            tokenIndex += 1;
+        }
+
+        nextStart = (tokenIndex < tokens.length) ? tokens[tokenIndex].range[0] : Number.MAX_SAFE_INTEGER;
+        while (commentIndex < comments.length && (range = comments[commentIndex].range)[0] < nextStart) {
+            map[range[0]] = tokenIndex;
+            map[range[1] - 1] = tokenIndex;
+            commentIndex += 1;
+        }
+    }
+
+    return map;
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.skip`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments=false] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.skip=0] The count of tokens the cursor skips.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithSkip(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+    let includeComments = false;
+    let skip = 0;
+    let filter = null;
+
+    if (typeof opts === "number") {
+        skip = opts | 0;
+    } else if (typeof opts === "function") {
+        filter = opts;
+    } else if (opts) {
+        includeComments = !!opts.includeComments;
+        skip = opts.skip | 0;
+        filter = opts.filter || null;
+    }
+    assert(skip >= 0, "options.skip should be zero or a positive integer.");
+    assert(!filter || typeof filter === "function", "options.filter should be a function.");
+
+    return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, -1);
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.count`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithCount(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+    let includeComments = false;
+    let count = 0;
+    let countExists = false;
+    let filter = null;
+
+    if (typeof opts === "number") {
+        count = opts | 0;
+        countExists = true;
+    } else if (typeof opts === "function") {
+        filter = opts;
+    } else if (opts) {
+        includeComments = !!opts.includeComments;
+        count = opts.count | 0;
+        countExists = typeof opts.count === "number";
+        filter = opts.filter || null;
+    }
+    assert(count >= 0, "options.count should be zero or a positive integer.");
+    assert(!filter || typeof filter === "function", "options.filter should be a function.");
+
+    return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, 0, countExists ? count : -1);
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * This is overload function of the below.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {Function|Object} opts The option object. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number} [beforeCount=0] The number of tokens before the node to retrieve.
+ * @param {boolean} [afterCount=0] The number of tokens after the node to retrieve.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithPadding(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+    if (typeof beforeCount === "undefined" && typeof afterCount === "undefined") {
+        return new ForwardTokenCursor(tokens, comments, indexMap, startLoc, endLoc);
+    }
+    if (typeof beforeCount === "number" || typeof beforeCount === "undefined") {
+        return new PaddedTokenCursor(tokens, comments, indexMap, startLoc, endLoc, beforeCount | 0, afterCount | 0);
+    }
+    return createCursorWithCount(cursors.forward, tokens, comments, indexMap, startLoc, endLoc, beforeCount);
+}
+
+/**
+ * Gets comment tokens that are adjacent to the current cursor position.
+ * @param {Cursor} cursor A cursor instance.
+ * @returns {Array} An array of comment tokens adjacent to the current cursor position.
+ * @private
+ */
+function getAdjacentCommentTokensFromCursor(cursor) {
+    const tokens = [];
+    let currentToken = cursor.getOneToken();
+
+    while (currentToken && isCommentToken(currentToken)) {
+        tokens.push(currentToken);
+        currentToken = cursor.getOneToken();
+    }
+
+    return tokens;
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The token store.
+ *
+ * This class provides methods to get tokens by locations as fast as possible.
+ * The methods are a part of public API, so we should be careful if it changes this class.
+ *
+ * People can get tokens in O(1) by the hash map which is mapping from the location of tokens/comments to tokens.
+ * Also people can get a mix of tokens and comments in O(log k), the k is the number of comments.
+ * Assuming that comments to be much fewer than tokens, this does not make hash map from token's locations to comments to reduce memory cost.
+ * This uses binary-searching instead for comments.
+ */
+module.exports = class TokenStore {
+
+    /**
+     * Initializes this token store.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     */
+    constructor(tokens, comments) {
+        this[TOKENS] = tokens;
+        this[COMMENTS] = comments;
+        this[INDEX_MAP] = createIndexMap(tokens, comments);
+    }
+
+    //--------------------------------------------------------------------------
+    // Gets single token.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets the token starting at the specified index.
+     * @param {number} offset Index of the start of the token's range.
+     * @param {Object} [options=0] The option object.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @returns {Token|null} The token starting at index, or null if no such token.
+     */
+    getTokenByRangeStart(offset, options) {
+        const includeComments = options && options.includeComments;
+        const token = cursors.forward.createBaseCursor(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            offset,
+            -1,
+            includeComments
+        ).getOneToken();
+
+        if (token && token.range[0] === offset) {
+            return token;
+        }
+        return null;
+    }
+
+    /**
+     * Gets the first token of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.skip`. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.skip=0] The count of tokens the cursor skips.
+     * @returns {Token|null} An object representing the token.
+     */
+    getFirstToken(node, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the last token of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getLastToken(node, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that precedes a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getTokenBefore(node, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            node.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that follows a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getTokenAfter(node, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[1],
+            -1,
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the first token between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getFirstTokenBetween(left, right, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the last token between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getLastTokenBetween(left, right, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that precedes a given node or token in the token stream.
+     * This is defined for backward compatibility. Use `includeComments` option instead.
+     * TODO: We have a plan to remove this in a future major version.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number} [skip=0] A number of tokens to skip.
+     * @returns {Token|null} An object representing the token.
+     * @deprecated
+     */
+    getTokenOrCommentBefore(node, skip) {
+        return this.getTokenBefore(node, { includeComments: true, skip });
+    }
+
+    /**
+     * Gets the token that follows a given node or token in the token stream.
+     * This is defined for backward compatibility. Use `includeComments` option instead.
+     * TODO: We have a plan to remove this in a future major version.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number} [skip=0] A number of tokens to skip.
+     * @returns {Token|null} An object representing the token.
+     * @deprecated
+     */
+    getTokenOrCommentAfter(node, skip) {
+        return this.getTokenAfter(node, { includeComments: true, skip });
+    }
+
+    //--------------------------------------------------------------------------
+    // Gets multiple tokens.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets the first `count` tokens of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.count`. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Tokens.
+     */
+    getFirstTokens(node, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the last `count` tokens of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getLastTokens(node, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets the `count` tokens that precedes a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getTokensBefore(node, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            node.range[0],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets the `count` tokens that follows a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getTokensAfter(node, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[1],
+            -1,
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the first `count` tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getFirstTokensBetween(left, right, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the last `count` tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getLastTokensBetween(left, right, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets all tokens that are related to the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Array of objects representing tokens.
+     */
+    /**
+     * Gets all tokens that are related to the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {int} [beforeCount=0] The number of tokens before the node to retrieve.
+     * @param {int} [afterCount=0] The number of tokens after the node to retrieve.
+     * @returns {Token[]} Array of objects representing tokens.
+     */
+    getTokens(node, beforeCount, afterCount) {
+        return createCursorWithPadding(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            beforeCount,
+            afterCount
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets all of the tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Tokens between left and right.
+     */
+    /**
+     * Gets all of the tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {int} [padding=0] Number of extra tokens on either side of center.
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getTokensBetween(left, right, padding) {
+        return createCursorWithPadding(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            padding,
+            padding
+        ).getAllTokens();
+    }
+
+    //--------------------------------------------------------------------------
+    // Others.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks whether any comments exist or not between the given 2 nodes.
+     * @param {ASTNode} left The node to check.
+     * @param {ASTNode} right The node to check.
+     * @returns {boolean} `true` if one or more comments exist.
+     */
+    commentsExistBetween(left, right) {
+        const index = utils.search(this[COMMENTS], left.range[1]);
+
+        return (
+            index < this[COMMENTS].length &&
+            this[COMMENTS][index].range[1] <= right.range[0]
+        );
+    }
+
+    /**
+     * Gets all comment tokens directly before the given node or token.
+     * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsBefore(nodeOrToken) {
+        const cursor = createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            nodeOrToken.range[0],
+            { includeComments: true }
+        );
+
+        return getAdjacentCommentTokensFromCursor(cursor).reverse();
+    }
+
+    /**
+     * Gets all comment tokens directly after the given node or token.
+     * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsAfter(nodeOrToken) {
+        const cursor = createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            nodeOrToken.range[1],
+            -1,
+            { includeComments: true }
+        );
+
+        return getAdjacentCommentTokensFromCursor(cursor);
+    }
+
+    /**
+     * Gets all comment tokens inside the given node.
+     * @param {ASTNode} node The AST node to get the comments for.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsInside(node) {
+        return this.getTokens(node, {
+            includeComments: true,
+            filter: isCommentToken
+        });
+    }
+};
diff --git a/eslint/lib/source-code/token-store/limit-cursor.js b/eslint/lib/source-code/token-store/limit-cursor.js
new file mode 100644
index 0000000..0fd92a7
--- /dev/null
+++ b/eslint/lib/source-code/token-store/limit-cursor.js
@@ -0,0 +1,40 @@
+/**
+ * @fileoverview Define the cursor which limits the number of tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which limits the number of tokens.
+ */
+module.exports = class LimitCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {number} count The count of tokens this cursor iterates.
+     */
+    constructor(cursor, count) {
+        super(cursor);
+        this.count = count;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.count > 0) {
+            this.count -= 1;
+            return super.moveNext();
+        }
+        return false;
+    }
+};
diff --git a/eslint/lib/source-code/token-store/padded-token-cursor.js b/eslint/lib/source-code/token-store/padded-token-cursor.js
new file mode 100644
index 0000000..89349fa
--- /dev/null
+++ b/eslint/lib/source-code/token-store/padded-token-cursor.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only, with inflated range.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const ForwardTokenCursor = require("./forward-token-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only, with inflated range.
+ * This is for the backward compatibility of padding options.
+ */
+module.exports = class PaddedTokenCursor extends ForwardTokenCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {number} beforeCount The number of tokens this cursor iterates before start.
+     * @param {number} afterCount The number of tokens this cursor iterates after end.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+        super(tokens, comments, indexMap, startLoc, endLoc);
+        this.index = Math.max(0, this.index - beforeCount);
+        this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount);
+    }
+};
diff --git a/eslint/lib/source-code/token-store/skip-cursor.js b/eslint/lib/source-code/token-store/skip-cursor.js
new file mode 100644
index 0000000..f068f53
--- /dev/null
+++ b/eslint/lib/source-code/token-store/skip-cursor.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Define the cursor which ignores the first few tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores the first few tokens.
+ */
+module.exports = class SkipCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {number} count The count of tokens this cursor skips.
+     */
+    constructor(cursor, count) {
+        super(cursor);
+        this.count = count;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        while (this.count > 0) {
+            this.count -= 1;
+            if (!super.moveNext()) {
+                return false;
+            }
+        }
+        return super.moveNext();
+    }
+};
diff --git a/eslint/lib/source-code/token-store/utils.js b/eslint/lib/source-code/token-store/utils.js
new file mode 100644
index 0000000..21e1d6f
--- /dev/null
+++ b/eslint/lib/source-code/token-store/utils.js
@@ -0,0 +1,100 @@
+/**
+ * @fileoverview Define utility functions for token store.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets `token.range[0]` from the given token.
+ * @param {Node|Token|Comment} token The token to get.
+ * @returns {number} The start location.
+ * @private
+ */
+function getStartLocation(token) {
+    return token.range[0];
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * Binary-searches the index of the first token which is after the given location.
+ * If it was not found, this returns `tokens.length`.
+ * @param {(Token|Comment)[]} tokens It searches the token in this list.
+ * @param {number} location The location to search.
+ * @returns {number} The found index or `tokens.length`.
+ */
+exports.search = function search(tokens, location) {
+    return lodash.sortedIndexBy(
+        tokens,
+        { range: [location] },
+        getStartLocation
+    );
+};
+
+/**
+ * Gets the index of the `startLoc` in `tokens`.
+ * `startLoc` can be the value of `node.range[1]`, so this checks about `startLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} startLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getFirstIndex = function getFirstIndex(tokens, indexMap, startLoc) {
+    if (startLoc in indexMap) {
+        return indexMap[startLoc];
+    }
+    if ((startLoc - 1) in indexMap) {
+        const index = indexMap[startLoc - 1];
+        const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+
+        /*
+         * For the map of "comment's location -> token's index", it points the next token of a comment.
+         * In that case, +1 is unnecessary.
+         */
+        if (token && token.range[0] >= startLoc) {
+            return index;
+        }
+        return index + 1;
+    }
+    return 0;
+};
+
+/**
+ * Gets the index of the `endLoc` in `tokens`.
+ * The information of end locations are recorded at `endLoc - 1` in `indexMap`, so this checks about `endLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} endLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getLastIndex = function getLastIndex(tokens, indexMap, endLoc) {
+    if (endLoc in indexMap) {
+        return indexMap[endLoc] - 1;
+    }
+    if ((endLoc - 1) in indexMap) {
+        const index = indexMap[endLoc - 1];
+        const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+
+        /*
+         * For the map of "comment's location -> token's index", it points the next token of a comment.
+         * In that case, -1 is necessary.
+         */
+        if (token && token.range[1] > endLoc) {
+            return index - 1;
+        }
+        return index;
+    }
+    return tokens.length - 1;
+};
diff --git a/eslint/messages/all-files-ignored.txt b/eslint/messages/all-files-ignored.txt
new file mode 100644
index 0000000..3f4c8ce
--- /dev/null
+++ b/eslint/messages/all-files-ignored.txt
@@ -0,0 +1,8 @@
+You are linting "<%= pattern %>", but all of the files matching the glob pattern "<%= pattern %>" are ignored.
+
+If you don't want to lint these files, remove the pattern "<%= pattern %>" from the list of arguments passed to ESLint.
+
+If you do want to lint these files, try the following solutions:
+
+* Check your .eslintignore file, or the eslintIgnore property in package.json, to ensure that the files are not configured to be ignored.
+* Explicitly list the files from this glob that you'd like to lint on the command-line, rather than providing a glob as an argument.
diff --git a/eslint/messages/extend-config-missing.txt b/eslint/messages/extend-config-missing.txt
new file mode 100644
index 0000000..0411819
--- /dev/null
+++ b/eslint/messages/extend-config-missing.txt
@@ -0,0 +1,5 @@
+ESLint couldn't find the config "<%- configName %>" to extend from. Please check that the name of the config is correct.
+
+The config "<%- configName %>" was referenced from the config file in "<%- importerName %>".
+
+If you still have problems, please stop by https://gitter.im/eslint/eslint to chat with the team.
diff --git a/eslint/messages/failed-to-read-json.txt b/eslint/messages/failed-to-read-json.txt
new file mode 100644
index 0000000..b5e2b86
--- /dev/null
+++ b/eslint/messages/failed-to-read-json.txt
@@ -0,0 +1,3 @@
+Failed to read JSON file at <%= path %>:
+
+<%= message %>
diff --git a/eslint/messages/file-not-found.txt b/eslint/messages/file-not-found.txt
new file mode 100644
index 0000000..639498e
--- /dev/null
+++ b/eslint/messages/file-not-found.txt
@@ -0,0 +1,2 @@
+No files matching the pattern "<%= pattern %>"<% if (globDisabled) { %> (with disabling globs)<% } %> were found.
+Please check for typing mistakes in the pattern.
diff --git a/eslint/messages/no-config-found.txt b/eslint/messages/no-config-found.txt
new file mode 100644
index 0000000..348f6dc
--- /dev/null
+++ b/eslint/messages/no-config-found.txt
@@ -0,0 +1,7 @@
+ESLint couldn't find a configuration file. To set up a configuration file for this project, please run:
+
+    eslint --init
+
+ESLint looked for configuration files in <%= directoryPath %> and its ancestors. If it found none, it then looked in your home directory.
+
+If you think you already have a configuration file or if you need more help, please stop by the ESLint chat room: https://gitter.im/eslint/eslint
diff --git a/eslint/messages/plugin-conflict.txt b/eslint/messages/plugin-conflict.txt
new file mode 100644
index 0000000..6fcf7c8
--- /dev/null
+++ b/eslint/messages/plugin-conflict.txt
@@ -0,0 +1,7 @@
+ESLint couldn't determine the plugin "<%- pluginId %>" uniquely.
+<% for (const { filePath, importerName } of plugins) { %>
+- <%= filePath %> (loaded in "<%= importerName %>")<% } %>
+
+Please remove the "plugins" setting from either config or remove either plugin installation.
+
+If you still can't figure out the problem, please stop by https://gitter.im/eslint/eslint to chat with the team.
diff --git a/eslint/messages/plugin-missing.txt b/eslint/messages/plugin-missing.txt
new file mode 100644
index 0000000..32e9f0a
--- /dev/null
+++ b/eslint/messages/plugin-missing.txt
@@ -0,0 +1,11 @@
+ESLint couldn't find the plugin "<%- pluginName %>".
+
+(The package "<%- pluginName %>" was not found when loaded as a Node module from the directory "<%- resolvePluginsRelativeTo %>".)
+
+It's likely that the plugin isn't installed correctly. Try reinstalling by running the following:
+
+    npm install <%- pluginName %>@latest --save-dev
+
+The plugin "<%- pluginName %>" was referenced from the config file in "<%- importerName %>".
+
+If you still can't figure out the problem, please stop by https://gitter.im/eslint/eslint to chat with the team.
diff --git a/eslint/messages/print-config-with-directory-path.txt b/eslint/messages/print-config-with-directory-path.txt
new file mode 100644
index 0000000..1afc9b1
--- /dev/null
+++ b/eslint/messages/print-config-with-directory-path.txt
@@ -0,0 +1,2 @@
+The '--print-config' CLI option requires a path to a source code file rather than a directory.
+See also: https://eslint.org/docs/user-guide/command-line-interface#--print-config
diff --git a/eslint/messages/whitespace-found.txt b/eslint/messages/whitespace-found.txt
new file mode 100644
index 0000000..eea4efc
--- /dev/null
+++ b/eslint/messages/whitespace-found.txt
@@ -0,0 +1,3 @@
+ESLint couldn't find the plugin "<%- pluginName %>". because there is whitespace in the name. Please check your configuration and remove all whitespace from the plugin name.
+
+If you still can't figure out the problem, please stop by https://gitter.im/eslint/eslint to chat with the team.
diff --git a/eslint/package.json b/eslint/package.json
new file mode 100644
index 0000000..ed15f61
--- /dev/null
+++ b/eslint/package.json
@@ -0,0 +1,145 @@
+{
+  "name": "eslint",
+  "version": "7.0.0-alpha.3",
+  "author": "Nicholas C. Zakas <nicholas+npm@nczconsulting.com>",
+  "description": "An AST-based pattern checker for JavaScript.",
+  "bin": {
+    "eslint": "./bin/eslint.js"
+  },
+  "main": "./lib/api.js",
+  "scripts": {
+    "test": "node Makefile.js test",
+    "test:cli": "mocha",
+    "lint": "node Makefile.js lint",
+    "fix": "node Makefile.js lint -- fix",
+    "fuzz": "node Makefile.js fuzz",
+    "generate-release": "node Makefile.js generateRelease",
+    "generate-alpharelease": "node Makefile.js generatePrerelease -- alpha",
+    "generate-betarelease": "node Makefile.js generatePrerelease -- beta",
+    "generate-rcrelease": "node Makefile.js generatePrerelease -- rc",
+    "publish-release": "node Makefile.js publishRelease",
+    "docs": "node Makefile.js docs",
+    "gensite": "node Makefile.js gensite",
+    "webpack": "node Makefile.js webpack",
+    "perf": "node Makefile.js perf"
+  },
+  "gitHooks": {
+    "pre-commit": "lint-staged"
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ],
+    "*.md": "markdownlint"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "bin",
+    "conf",
+    "lib",
+    "messages"
+  ],
+  "repository": "eslint/eslint",
+  "funding": "https://opencollective.com/eslint",
+  "homepage": "https://eslint.org",
+  "bugs": "https://github.com/eslint/eslint/issues/",
+  "dependencies": {
+    "@babel/code-frame": "^7.0.0",
+    "ajv": "^6.10.0",
+    "chalk": "^3.0.0",
+    "cross-spawn": "^7.0.1",
+    "debug": "^4.0.1",
+    "doctrine": "^3.0.0",
+    "eslint-scope": "^5.0.0",
+    "eslint-utils": "^2.0.0",
+    "eslint-visitor-keys": "^1.1.0",
+    "espree": "^6.2.1",
+    "esquery": "^1.2.0",
+    "esutils": "^2.0.2",
+    "file-entry-cache": "^5.0.1",
+    "functional-red-black-tree": "^1.0.1",
+    "glob-parent": "^5.0.0",
+    "globals": "^12.1.0",
+    "ignore": "^4.0.6",
+    "import-fresh": "^3.0.0",
+    "imurmurhash": "^0.1.4",
+    "inquirer": "^7.0.0",
+    "is-glob": "^4.0.0",
+    "js-yaml": "^3.13.1",
+    "json-stable-stringify-without-jsonify": "^1.0.1",
+    "levn": "^0.3.0",
+    "lodash": "^4.17.14",
+    "minimatch": "^3.0.4",
+    "natural-compare": "^1.4.0",
+    "optionator": "^0.8.3",
+    "progress": "^2.0.0",
+    "regexpp": "^3.0.0",
+    "semver": "^7.1.1",
+    "strip-ansi": "^6.0.0",
+    "strip-json-comments": "^3.0.1",
+    "table": "^5.2.3",
+    "text-table": "^0.2.0",
+    "v8-compile-cache": "^2.0.3"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.4.3",
+    "@babel/preset-env": "^7.4.3",
+    "acorn": "^7.1.1",
+    "babel-loader": "^8.0.5",
+    "chai": "^4.0.1",
+    "cheerio": "^0.22.0",
+    "common-tags": "^1.8.0",
+    "core-js": "^3.1.3",
+    "dateformat": "^3.0.3",
+    "ejs": "^2.6.1",
+    "eslint": "file:.",
+    "eslint-config-eslint": "file:packages/eslint-config-eslint",
+    "eslint-plugin-eslint-plugin": "^2.2.1",
+    "eslint-plugin-internal-rules": "file:tools/internal-rules",
+    "eslint-plugin-jsdoc": "^15.9.5",
+    "eslint-plugin-node": "^9.0.0",
+    "eslint-release": "^1.2.0",
+    "eslump": "^2.0.0",
+    "esprima": "^4.0.1",
+    "glob": "^7.1.3",
+    "jsdoc": "^3.5.5",
+    "karma": "^4.0.1",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-mocha": "^1.3.0",
+    "karma-mocha-reporter": "^2.2.3",
+    "karma-webpack": "^4.0.0-rc.6",
+    "leche": "^2.2.3",
+    "lint-staged": "^8.1.5",
+    "load-perf": "^0.2.0",
+    "markdownlint": "^0.15.0",
+    "markdownlint-cli": "^0.17.0",
+    "memfs": "^3.0.1",
+    "mocha": "^6.1.2",
+    "mocha-junit-reporter": "^1.23.0",
+    "npm-license": "^0.3.3",
+    "nyc": "^14.1.1",
+    "proxyquire": "^2.0.1",
+    "puppeteer": "^1.18.0",
+    "recast": "^0.18.1",
+    "regenerator-runtime": "^0.13.2",
+    "shelljs": "^0.8.2",
+    "sinon": "^7.3.2",
+    "temp": "^0.9.0",
+    "webpack": "^4.35.0",
+    "webpack-cli": "^3.3.5",
+    "yorkie": "^2.0.0"
+  },
+  "keywords": [
+    "ast",
+    "lint",
+    "javascript",
+    "ecmascript",
+    "espree"
+  ],
+  "license": "MIT",
+  "engines": {
+    "node": "^10.12.0 || >=12.0.0"
+  }
+}
diff --git a/eslint/templates/blogpost.md.ejs b/eslint/templates/blogpost.md.ejs
new file mode 100644
index 0000000..a812a79
--- /dev/null
+++ b/eslint/templates/blogpost.md.ejs
@@ -0,0 +1,108 @@
+---
+layout: post
+title: ESLint v<%- version %> released
+tags:
+  - release
+  - <%- type %>
+---
+# ESLint v<%= version %> released
+
+We just pushed ESLint v<%- version %>, which is a <%- type %> release upgrade of ESLint. This release <% if (type !== "patch") { %>adds some new features and <% } %>fixes several bugs found in the previous release.<% if (type === "major") { %> This release also has some breaking changes, so please read the following closely.<% } %>
+
+<%
+const RULE_REGEX = new RegExp(`\`?\\b(${ruleList.join("|")})\\b\`?`, "g");
+
+function linkify(line) {
+    return line
+        .replace(/([^\s/]+[/][^\s/]+)?#(\d+)/g, (_, repo, num) => `[${repo || ""}#${num}](https://github.com/${repo || "eslint/eslint"}/issues/${num})`)
+        .replace(RULE_REGEX, "[$&](/docs/rules/$1)");
+}
+
+function outputList(items) {
+    items.forEach(function(line) {%>
+<%- linkify(line) %><%
+    });
+}
+
+%>
+
+<% if (prereleaseMajorVersion) { %>
+## Highlights
+
+This is a summary of the major changes you need to know about for this version of ESLint.
+
+### Installing
+
+Since this is a pre-release version, you will not automatically be upgraded by npm. You must specify the `next` tag when installing:
+
+```
+npm i eslint@next --save-dev
+```
+
+You can also specify the version directly:
+
+```
+npm i eslint@<%- version %> --save-dev
+```
+
+### Migration Guide
+
+As there are a lot of changes, we've created a [migration guide](/docs/<%- prereleaseMajorVersion %>/user-guide/migrating-to-<%- prereleaseMajorVersion %>) describing the changes in great detail along with the steps you should take to address them. We expect that most users should be able to upgrade without any build changes, but the migration guide should be a useful resource if you encounter problems.
+
+<% } %>
+
+<% if (typeof changelog.breaking !== "undefined") { %>
+## Breaking Changes
+
+<% outputList(changelog.breaking); %>
+
+<% } %>
+
+<% if (typeof changelog.new !== "undefined") { %>
+## Features
+
+<% outputList(changelog.new); %>
+
+<% } %>
+
+<% if (typeof changelog.update !== "undefined") { %>
+## Enhancements
+
+<% outputList(changelog.update); %>
+
+<% } %>
+
+<% if (typeof changelog.fix !== "undefined") { %>
+## Bug Fixes
+
+<% outputList(changelog.fix); %>
+
+<% } %>
+
+<% if (typeof changelog.docs !== "undefined") { %>
+## Documentation
+
+<% outputList(changelog.docs); %>
+
+<% } %>
+
+<% if (typeof changelog.upgrade !== "undefined") { %>
+## Dependency Upgrades
+
+<% outputList(changelog.upgrade); %>
+
+<% } %>
+
+<% if (typeof changelog.build !== "undefined") { %>
+## Build Related
+
+<% outputList(changelog.build); %>
+
+<% } %>
+
+<% if (typeof changelog.chore !== "undefined") { %>
+## Chores
+
+<% outputList(changelog.chore); %>
+
+<% } %>
diff --git a/eslint/templates/bug-report.md b/eslint/templates/bug-report.md
new file mode 100644
index 0000000..d31fcde
--- /dev/null
+++ b/eslint/templates/bug-report.md
@@ -0,0 +1,26 @@
+**Tell us about your environment**
+
+* **ESLint Version:**
+* **Node Version:**
+* **npm Version:**
+
+**What parser (default, Babel-ESLint, etc.) are you using?**
+
+**Please show your full configuration:**
+
+<details>
+<summary>Configuration</summary>
+
+<!-- Paste your configuration below: -->
+```js
+
+```
+
+</details>
+
+**What did you do? Please include the actual source code causing the issue.**
+
+**What did you expect to happen?**
+
+**What actually happened? Please include the actual, raw output from ESLint.**
+
diff --git a/eslint/templates/formatter-examples.md.ejs b/eslint/templates/formatter-examples.md.ejs
new file mode 100644
index 0000000..3231ea4
--- /dev/null
+++ b/eslint/templates/formatter-examples.md.ejs
@@ -0,0 +1,59 @@
+---
+title: Documentation
+layout: doc
+---
+# ESLint Formatters
+
+ESLint comes with several built-in formatters to control the appearance of the linting results, and supports third-party formatters as well.
+
+You can specify a formatter using the `--format` or `-f` flag on the command line. For example, `--format codeframe` uses the `codeframe` formatter.
+
+The built-in formatter options are:
+
+<% Object.keys(formatterResults).forEach(function(formatterName) { -%>
+* [<%= formatterName %>](#<%= formatterName %>)
+<% }) -%>
+
+## Example Source
+
+Examples of each formatter were created from linting `fullOfProblems.js` using the `.eslintrc` configuration shown below.
+
+### `fullOfProblems.js`
+
+```js
+function addOne(i) {
+    if (i != NaN) {
+        return i ++
+    } else {
+      return
+    }
+};
+```
+
+### `.eslintrc`:
+
+```json
+{
+    "extends": "eslint:recommended",
+    "rules": {
+        "consistent-return": 2,
+        "indent"           : [1, 4],
+        "no-else-return"   : 1,
+        "semi"             : [1, "always"],
+        "space-unary-ops"  : 2
+    }
+}
+```
+
+## Output Examples
+<% Object.keys(formatterResults).forEach(function(formatterName) { -%>
+
+### <%= formatterName %>
+<% if (formatterName !== "html") { -%>
+```
+<%- formatterResults[formatterName].result %>
+```
+<% } else {-%>
+<iframe src="html-formatter-example.html" width="100%" height="460px"></iframe>
+<% } -%>
+<% }) -%>
diff --git a/eslint/templates/rule-change-proposal.md b/eslint/templates/rule-change-proposal.md
new file mode 100644
index 0000000..ee10001
--- /dev/null
+++ b/eslint/templates/rule-change-proposal.md
@@ -0,0 +1,20 @@
+**What rule do you want to change?**
+
+
+**Does this change cause the rule to produce more or fewer warnings?**
+
+
+**How will the change be implemented? (New option, new default behavior, etc.)?**
+
+
+**Please provide some example code that this change will affect:**
+
+```js
+<!-- example code here -->
+```
+
+**What does the rule currently do for this code?**
+
+
+**What will the rule do after it's changed?**
+
diff --git a/eslint/templates/rule-proposal.md b/eslint/templates/rule-proposal.md
new file mode 100644
index 0000000..383b1b4
--- /dev/null
+++ b/eslint/templates/rule-proposal.md
@@ -0,0 +1,18 @@
+**Please describe what the rule should do:**
+
+
+**What category of rule is this? (place an "X" next to just one item)**
+
+[ ] Enforces code style
+[ ] Warns about a potential error
+[ ] Suggests an alternate way of doing something
+[ ] Other (please specify:)
+
+**Provide 2-3 code examples that this rule will warn about:**
+
+```js
+<!-- put your code examples here -->
+```
+
+**Why should this rule be included in ESLint (instead of a plugin)?**
+
diff --git a/eslint/tests/bench/bench.js b/eslint/tests/bench/bench.js
new file mode 100644
index 0000000..ad97af7
--- /dev/null
+++ b/eslint/tests/bench/bench.js
@@ -0,0 +1,38 @@
+var Linter = require("../../lib/linter").Linter,
+    fs = require("fs");
+
+var config = require("../../conf/eslint-recommended");
+
+var large = fs.readFileSync(__dirname + "/large.js", "utf8"),
+    medium = fs.readFileSync(__dirname + "/medium.js", "utf8"),
+    small = fs.readFileSync(__dirname + "/small.js", "utf8");
+
+var runs = {
+    large: large,
+    medium: medium,
+    small: small
+};
+var linter = new Linter();
+
+benchmark.runs = runs;
+benchmark(Boolean, 1);
+
+function benchmark(grep, times) {
+    console.profile("all");
+    for(var key in runs) {
+        if(grep(key)) {
+            console.time(key);
+            console.profile(key);
+            run(runs[key], times);
+            console.profileEnd(key);
+            console.timeEnd(key);
+        }
+    }
+    console.profileEnd("all");
+}
+
+function run(content, times) {
+    while(times--) {
+        linter.verify(content, config);
+    }
+}
diff --git a/eslint/tests/bench/large.js b/eslint/tests/bench/large.js
new file mode 100644
index 0000000..24ba727
--- /dev/null
+++ b/eslint/tests/bench/large.js
@@ -0,0 +1,60571 @@
+// 2.4.3
+var JSHINT;
+if (typeof window === 'undefined') window = {};
+(function () {
+var require;
+require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+var identifierStartTable = [];
+
+for (var i = 0; i < 128; i++) {
+  identifierStartTable[i] =
+    i === 36 ||           // $
+    i >= 65 && i <= 90 || // A-Z
+    i === 95 ||           // _
+    i >= 97 && i <= 122;  // a-z
+}
+
+var identifierPartTable = [];
+
+for (var i = 0; i < 128; i++) {
+  identifierPartTable[i] =
+    identifierStartTable[i] || // $, _, A-Z, a-z
+    i >= 48 && i <= 57;        // 0-9
+}
+
+module.exports = {
+  asciiIdentifierStartTable: identifierStartTable,
+  asciiIdentifierPartTable: identifierPartTable
+};
+
+},{}],2:[function(require,module,exports){
+module.exports = [
+  768,
+  769,
+  770,
+  771,
+  772,
+  773,
+  774,
+  775,
+  776,
+  777,
+  778,
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+  877,
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+  879,
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+  1444,
+  1445,
+  1446,
+  1447,
+  1448,
+  1449,
+  1450,
+  1451,
+  1452,
+  1453,
+  1454,
+  1455,
+  1456,
+  1457,
+  1458,
+  1459,
+  1460,
+  1461,
+  1462,
+  1463,
+  1464,
+  1465,
+  1466,
+  1467,
+  1468,
+  1469,
+  1471,
+  1473,
+  1474,
+  1476,
+  1477,
+  1479,
+  1552,
+  1553,
+  1554,
+  1555,
+  1556,
+  1557,
+  1558,
+  1559,
+  1560,
+  1561,
+  1562,
+  1611,
+  1612,
+  1613,
+  1614,
+  1615,
+  1616,
+  1617,
+  1618,
+  1619,
+  1620,
+  1621,
+  1622,
+  1623,
+  1624,
+  1625,
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+  1627,
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+  1961,
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+  1985,
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+  1989,
+  1990,
+  1991,
+  1992,
+  1993,
+  2027,
+  2028,
+  2029,
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+
+},{}],4:[function(require,module,exports){
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// when used in node, this will actually load the util module we depend on
+// versus loading the builtin util module as happens otherwise
+// this is a bug in node module loading as far as I am concerned
+var util = require('util/');
+
+var pSlice = Array.prototype.slice;
+var hasOwn = Object.prototype.hasOwnProperty;
+
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+//                             actual: actual,
+//                             expected: expected })
+
+assert.AssertionError = function AssertionError(options) {
+  this.name = 'AssertionError';
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+  if (options.message) {
+    this.message = options.message;
+    this.generatedMessage = false;
+  } else {
+    this.message = getMessage(this);
+    this.generatedMessage = true;
+  }
+  var stackStartFunction = options.stackStartFunction || fail;
+
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, stackStartFunction);
+  }
+  else {
+    // non v8 browsers so we can have a stacktrace
+    var err = new Error();
+    if (err.stack) {
+      var out = err.stack;
+
+      // try to strip useless frames
+      var fn_name = stackStartFunction.name;
+      var idx = out.indexOf('\n' + fn_name);
+      if (idx >= 0) {
+        // once we have located the function frame
+        // we need to strip out everything before it (and its line)
+        var next_line = out.indexOf('\n', idx + 1);
+        out = out.substring(next_line + 1);
+      }
+
+      this.stack = out;
+    }
+  }
+};
+
+// assert.AssertionError instanceof Error
+util.inherits(assert.AssertionError, Error);
+
+function replacer(key, value) {
+  if (util.isUndefined(value)) {
+    return '' + value;
+  }
+  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
+    return value.toString();
+  }
+  if (util.isFunction(value) || util.isRegExp(value)) {
+    return value.toString();
+  }
+  return value;
+}
+
+function truncate(s, n) {
+  if (util.isString(s)) {
+    return s.length < n ? s : s.slice(0, n);
+  } else {
+    return s;
+  }
+}
+
+function getMessage(self) {
+  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
+         self.operator + ' ' +
+         truncate(JSON.stringify(self.expected, replacer), 128);
+}
+
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
+
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided.  All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
+
+function fail(actual, expected, message, operator, stackStartFunction) {
+  throw new assert.AssertionError({
+    message: message,
+    actual: actual,
+    expected: expected,
+    operator: operator,
+    stackStartFunction: stackStartFunction
+  });
+}
+
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
+
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, !!guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
+
+function ok(value, message) {
+  if (!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
+
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
+
+assert.equal = function equal(actual, expected, message) {
+  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
+
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
+
+assert.notEqual = function notEqual(actual, expected, message) {
+  if (actual == expected) {
+    fail(actual, expected, message, '!=', assert.notEqual);
+  }
+};
+
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
+
+assert.deepEqual = function deepEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+  }
+};
+
+function _deepEqual(actual, expected) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
+
+  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
+    if (actual.length != expected.length) return false;
+
+    for (var i = 0; i < actual.length; i++) {
+      if (actual[i] !== expected[i]) return false;
+    }
+
+    return true;
+
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (util.isDate(actual) && util.isDate(expected)) {
+    return actual.getTime() === expected.getTime();
+
+  // 7.3 If the expected value is a RegExp object, the actual value is
+  // equivalent if it is also a RegExp object with the same source and
+  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
+  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
+    return actual.source === expected.source &&
+           actual.global === expected.global &&
+           actual.multiline === expected.multiline &&
+           actual.lastIndex === expected.lastIndex &&
+           actual.ignoreCase === expected.ignoreCase;
+
+  // 7.4. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if (!util.isObject(actual) && !util.isObject(expected)) {
+    return actual == expected;
+
+  // 7.5 For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else {
+    return objEquiv(actual, expected);
+  }
+}
+
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b) {
+  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
+    return false;
+  // an identical 'prototype' property.
+  if (a.prototype !== b.prototype) return false;
+  //~~~I've managed to break Object.keys through screwy arguments passing.
+  //   Converting to array solves the problem.
+  if (isArguments(a)) {
+    if (!isArguments(b)) {
+      return false;
+    }
+    a = pSlice.call(a);
+    b = pSlice.call(b);
+    return _deepEqual(a, b);
+  }
+  try {
+    var ka = objectKeys(a),
+        kb = objectKeys(b),
+        key, i;
+  } catch (e) {//happens when one is a string literal and the other isn't
+    return false;
+  }
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (ka.length != kb.length)
+    return false;
+  //the same set of keys (although not necessarily the same order),
+  ka.sort();
+  kb.sort();
+  //~~~cheap key test
+  for (i = ka.length - 1; i >= 0; i--) {
+    if (ka[i] != kb[i])
+      return false;
+  }
+  //equivalent values for every corresponding key, and
+  //~~~possibly expensive deep test
+  for (i = ka.length - 1; i >= 0; i--) {
+    key = ka[i];
+    if (!_deepEqual(a[key], b[key])) return false;
+  }
+  return true;
+}
+
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
+
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+  }
+};
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+  if (actual !== expected) {
+    fail(actual, expected, message, '===', assert.strictEqual);
+  }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+  if (actual === expected) {
+    fail(actual, expected, message, '!==', assert.notStrictEqual);
+  }
+};
+
+function expectedException(actual, expected) {
+  if (!actual || !expected) {
+    return false;
+  }
+
+  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
+    return expected.test(actual);
+  } else if (actual instanceof expected) {
+    return true;
+  } else if (expected.call({}, actual) === true) {
+    return true;
+  }
+
+  return false;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+  var actual;
+
+  if (util.isString(expected)) {
+    message = expected;
+    expected = null;
+  }
+
+  try {
+    block();
+  } catch (e) {
+    actual = e;
+  }
+
+  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+            (message ? ' ' + message : '.');
+
+  if (shouldThrow && !actual) {
+    fail(actual, expected, 'Missing expected exception' + message);
+  }
+
+  if (!shouldThrow && expectedException(actual, expected)) {
+    fail(actual, expected, 'Got unwanted exception' + message);
+  }
+
+  if ((shouldThrow && actual && expected &&
+      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+    throw actual;
+  }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+  _throws.apply(this, [true].concat(pSlice.call(arguments)));
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/message) {
+  _throws.apply(this, [false].concat(pSlice.call(arguments)));
+};
+
+assert.ifError = function(err) { if (err) {throw err;}};
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) keys.push(key);
+  }
+  return keys;
+};
+
+},{"util/":9}],5:[function(require,module,exports){
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+function EventEmitter() {
+  this._events = this._events || {};
+  this._maxListeners = this._maxListeners || undefined;
+}
+module.exports = EventEmitter;
+
+// Backwards-compat with node 0.10.x
+EventEmitter.EventEmitter = EventEmitter;
+
+EventEmitter.prototype._events = undefined;
+EventEmitter.prototype._maxListeners = undefined;
+
+// By default EventEmitters will print a warning if more than 10 listeners are
+// added to it. This is a useful default which helps finding memory leaks.
+EventEmitter.defaultMaxListeners = 10;
+
+// Obviously not all Emitters should be limited to 10. This function allows
+// that to be increased. Set to zero for unlimited.
+EventEmitter.prototype.setMaxListeners = function(n) {
+  if (!isNumber(n) || n < 0 || isNaN(n))
+    throw TypeError('n must be a positive number');
+  this._maxListeners = n;
+  return this;
+};
+
+EventEmitter.prototype.emit = function(type) {
+  var er, handler, len, args, i, listeners;
+
+  if (!this._events)
+    this._events = {};
+
+  // If there is no 'error' event listener then throw.
+  if (type === 'error') {
+    if (!this._events.error ||
+        (isObject(this._events.error) && !this._events.error.length)) {
+      er = arguments[1];
+      if (er instanceof Error) {
+        throw er; // Unhandled 'error' event
+      } else {
+        throw TypeError('Uncaught, unspecified "error" event.');
+      }
+      return false;
+    }
+  }
+
+  handler = this._events[type];
+
+  if (isUndefined(handler))
+    return false;
+
+  if (isFunction(handler)) {
+    switch (arguments.length) {
+      // fast cases
+      case 1:
+        handler.call(this);
+        break;
+      case 2:
+        handler.call(this, arguments[1]);
+        break;
+      case 3:
+        handler.call(this, arguments[1], arguments[2]);
+        break;
+      // slower
+      default:
+        len = arguments.length;
+        args = new Array(len - 1);
+        for (i = 1; i < len; i++)
+          args[i - 1] = arguments[i];
+        handler.apply(this, args);
+    }
+  } else if (isObject(handler)) {
+    len = arguments.length;
+    args = new Array(len - 1);
+    for (i = 1; i < len; i++)
+      args[i - 1] = arguments[i];
+
+    listeners = handler.slice();
+    len = listeners.length;
+    for (i = 0; i < len; i++)
+      listeners[i].apply(this, args);
+  }
+
+  return true;
+};
+
+EventEmitter.prototype.addListener = function(type, listener) {
+  var m;
+
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  if (!this._events)
+    this._events = {};
+
+  // To avoid recursion in the case that type === "newListener"! Before
+  // adding it to the listeners, first emit "newListener".
+  if (this._events.newListener)
+    this.emit('newListener', type,
+              isFunction(listener.listener) ?
+              listener.listener : listener);
+
+  if (!this._events[type])
+    // Optimize the case of one listener. Don't need the extra array object.
+    this._events[type] = listener;
+  else if (isObject(this._events[type]))
+    // If we've already got an array, just append.
+    this._events[type].push(listener);
+  else
+    // Adding the second element, need to change to array.
+    this._events[type] = [this._events[type], listener];
+
+  // Check for listener leak
+  if (isObject(this._events[type]) && !this._events[type].warned) {
+    var m;
+    if (!isUndefined(this._maxListeners)) {
+      m = this._maxListeners;
+    } else {
+      m = EventEmitter.defaultMaxListeners;
+    }
+
+    if (m && m > 0 && this._events[type].length > m) {
+      this._events[type].warned = true;
+      console.error('(node) warning: possible EventEmitter memory ' +
+                    'leak detected. %d listeners added. ' +
+                    'Use emitter.setMaxListeners() to increase limit.',
+                    this._events[type].length);
+      console.trace();
+    }
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+
+EventEmitter.prototype.once = function(type, listener) {
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  var fired = false;
+
+  function g() {
+    this.removeListener(type, g);
+
+    if (!fired) {
+      fired = true;
+      listener.apply(this, arguments);
+    }
+  }
+
+  g.listener = listener;
+  this.on(type, g);
+
+  return this;
+};
+
+// emits a 'removeListener' event iff the listener was removed
+EventEmitter.prototype.removeListener = function(type, listener) {
+  var list, position, length, i;
+
+  if (!isFunction(listener))
+    throw TypeError('listener must be a function');
+
+  if (!this._events || !this._events[type])
+    return this;
+
+  list = this._events[type];
+  length = list.length;
+  position = -1;
+
+  if (list === listener ||
+      (isFunction(list.listener) && list.listener === listener)) {
+    delete this._events[type];
+    if (this._events.removeListener)
+      this.emit('removeListener', type, listener);
+
+  } else if (isObject(list)) {
+    for (i = length; i-- > 0;) {
+      if (list[i] === listener ||
+          (list[i].listener && list[i].listener === listener)) {
+        position = i;
+        break;
+      }
+    }
+
+    if (position < 0)
+      return this;
+
+    if (list.length === 1) {
+      list.length = 0;
+      delete this._events[type];
+    } else {
+      list.splice(position, 1);
+    }
+
+    if (this._events.removeListener)
+      this.emit('removeListener', type, listener);
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.removeAllListeners = function(type) {
+  var key, listeners;
+
+  if (!this._events)
+    return this;
+
+  // not listening for removeListener, no need to emit
+  if (!this._events.removeListener) {
+    if (arguments.length === 0)
+      this._events = {};
+    else if (this._events[type])
+      delete this._events[type];
+    return this;
+  }
+
+  // emit removeListener for all listeners on all events
+  if (arguments.length === 0) {
+    for (key in this._events) {
+      if (key === 'removeListener') continue;
+      this.removeAllListeners(key);
+    }
+    this.removeAllListeners('removeListener');
+    this._events = {};
+    return this;
+  }
+
+  listeners = this._events[type];
+
+  if (isFunction(listeners)) {
+    this.removeListener(type, listeners);
+  } else {
+    // LIFO order
+    while (listeners.length)
+      this.removeListener(type, listeners[listeners.length - 1]);
+  }
+  delete this._events[type];
+
+  return this;
+};
+
+EventEmitter.prototype.listeners = function(type) {
+  var ret;
+  if (!this._events || !this._events[type])
+    ret = [];
+  else if (isFunction(this._events[type]))
+    ret = [this._events[type]];
+  else
+    ret = this._events[type].slice();
+  return ret;
+};
+
+EventEmitter.listenerCount = function(emitter, type) {
+  var ret;
+  if (!emitter._events || !emitter._events[type])
+    ret = 0;
+  else if (isFunction(emitter._events[type]))
+    ret = 1;
+  else
+    ret = emitter._events[type].length;
+  return ret;
+};
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+
+},{}],6:[function(require,module,exports){
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
+
+},{}],7:[function(require,module,exports){
+// shim for using process in browser
+
+var process = module.exports = {};
+
+process.nextTick = (function () {
+    var canSetImmediate = typeof window !== 'undefined'
+    && window.setImmediate;
+    var canPost = typeof window !== 'undefined'
+    && window.postMessage && window.addEventListener
+    ;
+
+    if (canSetImmediate) {
+        return function (f) { return window.setImmediate(f) };
+    }
+
+    if (canPost) {
+        var queue = [];
+        window.addEventListener('message', function (ev) {
+            var source = ev.source;
+            if ((source === window || source === null) && ev.data === 'process-tick') {
+                ev.stopPropagation();
+                if (queue.length > 0) {
+                    var fn = queue.shift();
+                    fn();
+                }
+            }
+        }, true);
+
+        return function nextTick(fn) {
+            queue.push(fn);
+            window.postMessage('process-tick', '*');
+        };
+    }
+
+    return function nextTick(fn) {
+        setTimeout(fn, 0);
+    };
+})();
+
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+}
+
+// TODO(shtylman)
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+
+},{}],8:[function(require,module,exports){
+module.exports = function isBuffer(arg) {
+  return arg && typeof arg === 'object'
+    && typeof arg.copy === 'function'
+    && typeof arg.fill === 'function'
+    && typeof arg.readUInt8 === 'function';
+}
+},{}],9:[function(require,module,exports){
+var process=require("__browserify_process"),global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+  if (!isString(f)) {
+    var objects = [];
+    for (var i = 0; i < arguments.length; i++) {
+      objects.push(inspect(arguments[i]));
+    }
+    return objects.join(' ');
+  }
+
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s': return String(args[i++]);
+      case '%d': return Number(args[i++]);
+      case '%j':
+        try {
+          return JSON.stringify(args[i++]);
+        } catch (_) {
+          return '[Circular]';
+        }
+      default:
+        return x;
+    }
+  });
+  for (var x = args[i]; i < len; x = args[++i]) {
+    if (isNull(x) || !isObject(x)) {
+      str += ' ' + x;
+    } else {
+      str += ' ' + inspect(x);
+    }
+  }
+  return str;
+};
+
+
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function(fn, msg) {
+  // Allow for deprecating things in the process of starting up.
+  if (isUndefined(global.process)) {
+    return function() {
+      return exports.deprecate(fn, msg).apply(this, arguments);
+    };
+  }
+
+  if (process.noDeprecation === true) {
+    return fn;
+  }
+
+  var warned = false;
+  function deprecated() {
+    if (!warned) {
+      if (process.throwDeprecation) {
+        throw new Error(msg);
+      } else if (process.traceDeprecation) {
+        console.trace(msg);
+      } else {
+        console.error(msg);
+      }
+      warned = true;
+    }
+    return fn.apply(this, arguments);
+  }
+
+  return deprecated;
+};
+
+
+var debugs = {};
+var debugEnviron;
+exports.debuglog = function(set) {
+  if (isUndefined(debugEnviron))
+    debugEnviron = process.env.NODE_DEBUG || '';
+  set = set.toUpperCase();
+  if (!debugs[set]) {
+    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+      var pid = process.pid;
+      debugs[set] = function() {
+        var msg = exports.format.apply(exports, arguments);
+        console.error('%s %d: %s', set, pid, msg);
+      };
+    } else {
+      debugs[set] = function() {};
+    }
+  }
+  return debugs[set];
+};
+
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts) {
+  // default options
+  var ctx = {
+    seen: [],
+    stylize: stylizeNoColor
+  };
+  // legacy...
+  if (arguments.length >= 3) ctx.depth = arguments[2];
+  if (arguments.length >= 4) ctx.colors = arguments[3];
+  if (isBoolean(opts)) {
+    // legacy...
+    ctx.showHidden = opts;
+  } else if (opts) {
+    // got an "options" object
+    exports._extend(ctx, opts);
+  }
+  // set default options
+  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+  if (isUndefined(ctx.depth)) ctx.depth = 2;
+  if (isUndefined(ctx.colors)) ctx.colors = false;
+  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+  if (ctx.colors) ctx.stylize = stylizeWithColor;
+  return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+  'bold' : [1, 22],
+  'italic' : [3, 23],
+  'underline' : [4, 24],
+  'inverse' : [7, 27],
+  'white' : [37, 39],
+  'grey' : [90, 39],
+  'black' : [30, 39],
+  'blue' : [34, 39],
+  'cyan' : [36, 39],
+  'green' : [32, 39],
+  'magenta' : [35, 39],
+  'red' : [31, 39],
+  'yellow' : [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+  'special': 'cyan',
+  'number': 'yellow',
+  'boolean': 'yellow',
+  'undefined': 'grey',
+  'null': 'bold',
+  'string': 'green',
+  'date': 'magenta',
+  // "name": intentionally not styling
+  'regexp': 'red'
+};
+
+
+function stylizeWithColor(str, styleType) {
+  var style = inspect.styles[styleType];
+
+  if (style) {
+    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+           '\u001b[' + inspect.colors[style][1] + 'm';
+  } else {
+    return str;
+  }
+}
+
+
+function stylizeNoColor(str, styleType) {
+  return str;
+}
+
+
+function arrayToHash(array) {
+  var hash = {};
+
+  array.forEach(function(val, idx) {
+    hash[val] = true;
+  });
+
+  return hash;
+}
+
+
+function formatValue(ctx, value, recurseTimes) {
+  // Provide a hook for user-specified inspect functions.
+  // Check that value is an object with an inspect function on it
+  if (ctx.customInspect &&
+      value &&
+      isFunction(value.inspect) &&
+      // Filter out the util module, it's inspect function is special
+      value.inspect !== exports.inspect &&
+      // Also filter out any prototype objects using the circular check.
+      !(value.constructor && value.constructor.prototype === value)) {
+    var ret = value.inspect(recurseTimes, ctx);
+    if (!isString(ret)) {
+      ret = formatValue(ctx, ret, recurseTimes);
+    }
+    return ret;
+  }
+
+  // Primitive types cannot have properties
+  var primitive = formatPrimitive(ctx, value);
+  if (primitive) {
+    return primitive;
+  }
+
+  // Look up the keys of the object.
+  var keys = Object.keys(value);
+  var visibleKeys = arrayToHash(keys);
+
+  if (ctx.showHidden) {
+    keys = Object.getOwnPropertyNames(value);
+  }
+
+  // IE doesn't make error fields non-enumerable
+  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+  if (isError(value)
+      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+    return formatError(value);
+  }
+
+  // Some type of object without properties can be shortcutted.
+  if (keys.length === 0) {
+    if (isFunction(value)) {
+      var name = value.name ? ': ' + value.name : '';
+      return ctx.stylize('[Function' + name + ']', 'special');
+    }
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    }
+    if (isDate(value)) {
+      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+    }
+    if (isError(value)) {
+      return formatError(value);
+    }
+  }
+
+  var base = '', array = false, braces = ['{', '}'];
+
+  // Make Array say that they are Array
+  if (isArray(value)) {
+    array = true;
+    braces = ['[', ']'];
+  }
+
+  // Make functions say that they are functions
+  if (isFunction(value)) {
+    var n = value.name ? ': ' + value.name : '';
+    base = ' [Function' + n + ']';
+  }
+
+  // Make RegExps say that they are RegExps
+  if (isRegExp(value)) {
+    base = ' ' + RegExp.prototype.toString.call(value);
+  }
+
+  // Make dates with properties first say the date
+  if (isDate(value)) {
+    base = ' ' + Date.prototype.toUTCString.call(value);
+  }
+
+  // Make error with message first say the error
+  if (isError(value)) {
+    base = ' ' + formatError(value);
+  }
+
+  if (keys.length === 0 && (!array || value.length == 0)) {
+    return braces[0] + base + braces[1];
+  }
+
+  if (recurseTimes < 0) {
+    if (isRegExp(value)) {
+      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+    } else {
+      return ctx.stylize('[Object]', 'special');
+    }
+  }
+
+  ctx.seen.push(value);
+
+  var output;
+  if (array) {
+    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+  } else {
+    output = keys.map(function(key) {
+      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+    });
+  }
+
+  ctx.seen.pop();
+
+  return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+  if (isUndefined(value))
+    return ctx.stylize('undefined', 'undefined');
+  if (isString(value)) {
+    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+                                             .replace(/'/g, "\\'")
+                                             .replace(/\\"/g, '"') + '\'';
+    return ctx.stylize(simple, 'string');
+  }
+  if (isNumber(value))
+    return ctx.stylize('' + value, 'number');
+  if (isBoolean(value))
+    return ctx.stylize('' + value, 'boolean');
+  // For some reason typeof null is "object", so special case here.
+  if (isNull(value))
+    return ctx.stylize('null', 'null');
+}
+
+
+function formatError(value) {
+  return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+  var output = [];
+  for (var i = 0, l = value.length; i < l; ++i) {
+    if (hasOwnProperty(value, String(i))) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          String(i), true));
+    } else {
+      output.push('');
+    }
+  }
+  keys.forEach(function(key) {
+    if (!key.match(/^\d+$/)) {
+      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+          key, true));
+    }
+  });
+  return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+  var name, str, desc;
+  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+  if (desc.get) {
+    if (desc.set) {
+      str = ctx.stylize('[Getter/Setter]', 'special');
+    } else {
+      str = ctx.stylize('[Getter]', 'special');
+    }
+  } else {
+    if (desc.set) {
+      str = ctx.stylize('[Setter]', 'special');
+    }
+  }
+  if (!hasOwnProperty(visibleKeys, key)) {
+    name = '[' + key + ']';
+  }
+  if (!str) {
+    if (ctx.seen.indexOf(desc.value) < 0) {
+      if (isNull(recurseTimes)) {
+        str = formatValue(ctx, desc.value, null);
+      } else {
+        str = formatValue(ctx, desc.value, recurseTimes - 1);
+      }
+      if (str.indexOf('\n') > -1) {
+        if (array) {
+          str = str.split('\n').map(function(line) {
+            return '  ' + line;
+          }).join('\n').substr(2);
+        } else {
+          str = '\n' + str.split('\n').map(function(line) {
+            return '   ' + line;
+          }).join('\n');
+        }
+      }
+    } else {
+      str = ctx.stylize('[Circular]', 'special');
+    }
+  }
+  if (isUndefined(name)) {
+    if (array && key.match(/^\d+$/)) {
+      return str;
+    }
+    name = JSON.stringify('' + key);
+    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+      name = name.substr(1, name.length - 2);
+      name = ctx.stylize(name, 'name');
+    } else {
+      name = name.replace(/'/g, "\\'")
+                 .replace(/\\"/g, '"')
+                 .replace(/(^"|"$)/g, "'");
+      name = ctx.stylize(name, 'string');
+    }
+  }
+
+  return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+  var numLinesEst = 0;
+  var length = output.reduce(function(prev, cur) {
+    numLinesEst++;
+    if (cur.indexOf('\n') >= 0) numLinesEst++;
+    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+  }, 0);
+
+  if (length > 60) {
+    return braces[0] +
+           (base === '' ? '' : base + '\n ') +
+           ' ' +
+           output.join(',\n  ') +
+           ' ' +
+           braces[1];
+  }
+
+  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+function isArray(ar) {
+  return Array.isArray(ar);
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return isObject(d) && objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return isObject(e) &&
+      (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('./support/isBuffer');
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
+
+
+function pad(n) {
+  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+              'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+  var d = new Date();
+  var time = [pad(d.getHours()),
+              pad(d.getMinutes()),
+              pad(d.getSeconds())].join(':');
+  return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function() {
+  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+};
+
+
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ *     prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function(origin, add) {
+  // Don't do anything if add isn't an object
+  if (!add || !isObject(add)) return origin;
+
+  var keys = Object.keys(add);
+  var i = keys.length;
+  while (i--) {
+    origin[keys[i]] = add[keys[i]];
+  }
+  return origin;
+};
+
+function hasOwnProperty(obj, prop) {
+  return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+},{"./support/isBuffer":8,"__browserify_process":7,"inherits":6}],10:[function(require,module,exports){
+var global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};/*global window, global*/
+var util = require("util")
+var assert = require("assert")
+
+var slice = Array.prototype.slice
+var console
+var times = {}
+
+if (typeof global !== "undefined" && global.console) {
+    console = global.console
+} else if (typeof window !== "undefined" && window.console) {
+    console = window.console
+} else {
+    console = window.console = {}
+}
+
+var functions = [
+    [log, "log"]
+    , [info, "info"]
+    , [warn, "warn"]
+    , [error, "error"]
+    , [time, "time"]
+    , [timeEnd, "timeEnd"]
+    , [trace, "trace"]
+    , [dir, "dir"]
+    , [assert, "assert"]
+]
+
+for (var i = 0; i < functions.length; i++) {
+    var tuple = functions[i]
+    var f = tuple[0]
+    var name = tuple[1]
+
+    if (!console[name]) {
+        console[name] = f
+    }
+}
+
+module.exports = console
+
+function log() {}
+
+function info() {
+    console.log.apply(console, arguments)
+}
+
+function warn() {
+    console.log.apply(console, arguments)
+}
+
+function error() {
+    console.warn.apply(console, arguments)
+}
+
+function time(label) {
+    times[label] = Date.now()
+}
+
+function timeEnd(label) {
+    var time = times[label]
+    if (!time) {
+        throw new Error("No such label: " + label)
+    }
+
+    var duration = Date.now() - time
+    console.log(label + ": " + duration + "ms")
+}
+
+function trace() {
+    var err = new Error()
+    err.name = "Trace"
+    err.message = util.format.apply(null, arguments)
+    console.error(err.stack)
+}
+
+function dir(object) {
+    console.log(util.inspect(object) + "\n")
+}
+
+function assert(expression) {
+    if (!expression) {
+        var arr = slice.call(arguments, 1)
+        assert.ok(false, util.format.apply(null, arr))
+    }
+}
+
+},{"assert":4,"util":9}],11:[function(require,module,exports){
+//     Underscore.js 1.4.4
+//     http://underscorejs.org
+//     (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
+//     Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `global` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Establish the object that gets returned to break out of a loop iteration.
+  var breaker = {};
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var push             = ArrayProto.push,
+      slice            = ArrayProto.slice,
+      concat           = ArrayProto.concat,
+      toString         = ObjProto.toString,
+      hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeForEach      = ArrayProto.forEach,
+    nativeMap          = ArrayProto.map,
+    nativeReduce       = ArrayProto.reduce,
+    nativeReduceRight  = ArrayProto.reduceRight,
+    nativeFilter       = ArrayProto.filter,
+    nativeEvery        = ArrayProto.every,
+    nativeSome         = ArrayProto.some,
+    nativeIndexOf      = ArrayProto.indexOf,
+    nativeLastIndexOf  = ArrayProto.lastIndexOf,
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind;
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object via a string identifier,
+  // for Closure Compiler "advanced" mode.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.4.4';
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles objects with the built-in `forEach`, arrays, and raw objects.
+  // Delegates to **ECMAScript 5**'s native `forEach` if available.
+  var each = _.each = _.forEach = function(obj, iterator, context) {
+    if (obj == null) return;
+    if (nativeForEach && obj.forEach === nativeForEach) {
+      obj.forEach(iterator, context);
+    } else if (obj.length === +obj.length) {
+      for (var i = 0, l = obj.length; i < l; i++) {
+        if (iterator.call(context, obj[i], i, obj) === breaker) return;
+      }
+    } else {
+      for (var key in obj) {
+        if (_.has(obj, key)) {
+          if (iterator.call(context, obj[key], key, obj) === breaker) return;
+        }
+      }
+    }
+  };
+
+  // Return the results of applying the iterator to each element.
+  // Delegates to **ECMAScript 5**'s native `map` if available.
+  _.map = _.collect = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+    each(obj, function(value, index, list) {
+      results[results.length] = iterator.call(context, value, index, list);
+    });
+    return results;
+  };
+
+  var reduceError = 'Reduce of empty array with no initial value';
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduce && obj.reduce === nativeReduce) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+    }
+    each(obj, function(value, index, list) {
+      if (!initial) {
+        memo = value;
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, value, index, list);
+      }
+    });
+    if (!initial) throw new TypeError(reduceError);
+    return memo;
+  };
+
+  // The right-associative version of reduce, also known as `foldr`.
+  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+    }
+    var length = obj.length;
+    if (length !== +length) {
+      var keys = _.keys(obj);
+      length = keys.length;
+    }
+    each(obj, function(value, index, list) {
+      index = keys ? keys[--length] : --length;
+      if (!initial) {
+        memo = obj[index];
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, obj[index], index, list);
+      }
+    });
+    if (!initial) throw new TypeError(reduceError);
+    return memo;
+  };
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, iterator, context) {
+    var result;
+    any(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) {
+        result = value;
+        return true;
+      }
+    });
+    return result;
+  };
+
+  // Return all the elements that pass a truth test.
+  // Delegates to **ECMAScript 5**'s native `filter` if available.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+    each(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, iterator, context) {
+    return _.filter(obj, function(value, index, list) {
+      return !iterator.call(context, value, index, list);
+    }, context);
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Delegates to **ECMAScript 5**'s native `every` if available.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, iterator, context) {
+    iterator || (iterator = _.identity);
+    var result = true;
+    if (obj == null) return result;
+    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+    each(obj, function(value, index, list) {
+      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+    });
+    return !!result;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Delegates to **ECMAScript 5**'s native `some` if available.
+  // Aliased as `any`.
+  var any = _.some = _.any = function(obj, iterator, context) {
+    iterator || (iterator = _.identity);
+    var result = false;
+    if (obj == null) return result;
+    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+    each(obj, function(value, index, list) {
+      if (result || (result = iterator.call(context, value, index, list))) return breaker;
+    });
+    return !!result;
+  };
+
+  // Determine if the array or object contains a given value (using `===`).
+  // Aliased as `include`.
+  _.contains = _.include = function(obj, target) {
+    if (obj == null) return false;
+    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+    return any(obj, function(value) {
+      return value === target;
+    });
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
+    return _.map(obj, function(value) {
+      return (isFunc ? method : value[method]).apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, function(value){ return value[key]; });
+  };
+
+  // Convenience version of a common use case of `filter`: selecting only objects
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs, first) {
+    if (_.isEmpty(attrs)) return first ? null : [];
+    return _[first ? 'find' : 'filter'](obj, function(value) {
+      for (var key in attrs) {
+        if (attrs[key] !== value[key]) return false;
+      }
+      return true;
+    });
+  };
+
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.where(obj, attrs, true);
+  };
+
+  // Return the maximum element or (element-based computation).
+  // Can't optimize arrays of integers longer than 65,535 elements.
+  // See: https://bugs.webkit.org/show_bug.cgi?id=80797
+  _.max = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+      return Math.max.apply(Math, obj);
+    }
+    if (!iterator && _.isEmpty(obj)) return -Infinity;
+    var result = {computed : -Infinity, value: -Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed >= result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+      return Math.min.apply(Math, obj);
+    }
+    if (!iterator && _.isEmpty(obj)) return Infinity;
+    var result = {computed : Infinity, value: Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed < result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Shuffle an array.
+  _.shuffle = function(obj) {
+    var rand;
+    var index = 0;
+    var shuffled = [];
+    each(obj, function(value) {
+      rand = _.random(index++);
+      shuffled[index - 1] = shuffled[rand];
+      shuffled[rand] = value;
+    });
+    return shuffled;
+  };
+
+  // An internal function to generate lookup iterators.
+  var lookupIterator = function(value) {
+    return _.isFunction(value) ? value : function(obj){ return obj[value]; };
+  };
+
+  // Sort the object's values by a criterion produced by an iterator.
+  _.sortBy = function(obj, value, context) {
+    var iterator = lookupIterator(value);
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value : value,
+        index : index,
+        criteria : iterator.call(context, value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria;
+      var b = right.criteria;
+      if (a !== b) {
+        if (a > b || a === void 0) return 1;
+        if (a < b || b === void 0) return -1;
+      }
+      return left.index < right.index ? -1 : 1;
+    }), 'value');
+  };
+
+  // An internal function used for aggregate "group by" operations.
+  var group = function(obj, value, context, behavior) {
+    var result = {};
+    var iterator = lookupIterator(value || _.identity);
+    each(obj, function(value, index) {
+      var key = iterator.call(context, value, index, obj);
+      behavior(result, key, value);
+    });
+    return result;
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = function(obj, value, context) {
+    return group(obj, value, context, function(result, key, value) {
+      (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
+    });
+  };
+
+  // Counts instances of an object that group by a certain criterion. Pass
+  // either a string attribute to count by, or a function that returns the
+  // criterion.
+  _.countBy = function(obj, value, context) {
+    return group(obj, value, context, function(result, key) {
+      if (!_.has(result, key)) result[key] = 0;
+      result[key]++;
+    });
+  };
+
+  // Use a comparator function to figure out the smallest index at which
+  // an object should be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iterator, context) {
+    iterator = iterator == null ? _.identity : lookupIterator(iterator);
+    var value = iterator.call(context, obj);
+    var low = 0, high = array.length;
+    while (low < high) {
+      var mid = (low + high) >>> 1;
+      iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
+    }
+    return low;
+  };
+
+  // Safely convert anything iterable into a real, live array.
+  _.toArray = function(obj) {
+    if (!obj) return [];
+    if (_.isArray(obj)) return slice.call(obj);
+    if (obj.length === +obj.length) return _.map(obj, _.identity);
+    return _.values(obj);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    if (obj == null) return 0;
+    return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head` and `take`. The **guard** check
+  // allows it to work with `_.map`.
+  _.first = _.head = _.take = function(array, n, guard) {
+    if (array == null) return void 0;
+    return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
+  };
+
+  // Returns everything but the last entry of the array. Especially useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N. The **guard** check allows it to work with
+  // `_.map`.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array. The **guard** check allows it to work with `_.map`.
+  _.last = function(array, n, guard) {
+    if (array == null) return void 0;
+    if ((n != null) && !guard) {
+      return slice.call(array, Math.max(array.length - n, 0));
+    } else {
+      return array[array.length - 1];
+    }
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+  // Especially useful on the arguments object. Passing an **n** will return
+  // the rest N values in the array. The **guard**
+  // check allows it to work with `_.map`.
+  _.rest = _.tail = _.drop = function(array, n, guard) {
+    return slice.call(array, (n == null) || guard ? 1 : n);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, _.identity);
+  };
+
+  // Internal implementation of a recursive `flatten` function.
+  var flatten = function(input, shallow, output) {
+    each(input, function(value) {
+      if (_.isArray(value)) {
+        shallow ? push.apply(output, value) : flatten(value, shallow, output);
+      } else {
+        output.push(value);
+      }
+    });
+    return output;
+  };
+
+  // Return a completely flattened version of an array.
+  _.flatten = function(array, shallow) {
+    return flatten(array, shallow, []);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iterator, context) {
+    if (_.isFunction(isSorted)) {
+      context = iterator;
+      iterator = isSorted;
+      isSorted = false;
+    }
+    var initial = iterator ? _.map(array, iterator, context) : array;
+    var results = [];
+    var seen = [];
+    each(initial, function(value, index) {
+      if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
+        seen.push(value);
+        results.push(array[index]);
+      }
+    });
+    return results;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(concat.apply(ArrayProto, arguments));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersection = function(array) {
+    var rest = slice.call(arguments, 1);
+    return _.filter(_.uniq(array), function(item) {
+      return _.every(rest, function(other) {
+        return _.indexOf(other, item) >= 0;
+      });
+    });
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
+    return _.filter(array, function(value){ return !_.contains(rest, value); });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    var args = slice.call(arguments);
+    var length = _.max(_.pluck(args, 'length'));
+    var results = new Array(length);
+    for (var i = 0; i < length; i++) {
+      results[i] = _.pluck(args, "" + i);
+    }
+    return results;
+  };
+
+  // Converts lists into objects. Pass either a single array of `[key, value]`
+  // pairs, or two parallel arrays of the same length -- one of keys, and one of
+  // the corresponding values.
+  _.object = function(list, values) {
+    if (list == null) return {};
+    var result = {};
+    for (var i = 0, l = list.length; i < l; i++) {
+      if (values) {
+        result[list[i]] = values[i];
+      } else {
+        result[list[i][0]] = list[i][1];
+      }
+    }
+    return result;
+  };
+
+  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+  // we need this function. Return the position of the first occurrence of an
+  // item in an array, or -1 if the item is not included in the array.
+  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = function(array, item, isSorted) {
+    if (array == null) return -1;
+    var i = 0, l = array.length;
+    if (isSorted) {
+      if (typeof isSorted == 'number') {
+        i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
+      } else {
+        i = _.sortedIndex(array, item);
+        return array[i] === item ? i : -1;
+      }
+    }
+    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
+    for (; i < l; i++) if (array[i] === item) return i;
+    return -1;
+  };
+
+  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+  _.lastIndexOf = function(array, item, from) {
+    if (array == null) return -1;
+    var hasIndex = from != null;
+    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
+      return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
+    }
+    var i = (hasIndex ? from : array.length);
+    while (i--) if (array[i] === item) return i;
+    return -1;
+  };
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (arguments.length <= 1) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = arguments[2] || 1;
+
+    var len = Math.max(Math.ceil((stop - start) / step), 0);
+    var idx = 0;
+    var range = new Array(len);
+
+    while(idx < len) {
+      range[idx++] = start;
+      start += step;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
+  _.bind = function(func, context) {
+    if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    var args = slice.call(arguments, 2);
+    return function() {
+      return func.apply(context, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context.
+  _.partial = function(func) {
+    var args = slice.call(arguments, 1);
+    return function() {
+      return func.apply(this, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Bind all of an object's methods to that object. Useful for ensuring that
+  // all callbacks defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var funcs = slice.call(arguments, 1);
+    if (funcs.length === 0) funcs = _.functions(obj);
+    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memo = {};
+    hasher || (hasher = _.identity);
+    return function() {
+      var key = hasher.apply(this, arguments);
+      return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
+    };
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){ return func.apply(null, args); }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = function(func) {
+    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+  };
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time.
+  _.throttle = function(func, wait) {
+    var context, args, timeout, result;
+    var previous = 0;
+    var later = function() {
+      previous = new Date;
+      timeout = null;
+      result = func.apply(context, args);
+    };
+    return function() {
+      var now = new Date;
+      var remaining = wait - (now - previous);
+      context = this;
+      args = arguments;
+      if (remaining <= 0) {
+        clearTimeout(timeout);
+        timeout = null;
+        previous = now;
+        result = func.apply(context, args);
+      } else if (!timeout) {
+        timeout = setTimeout(later, remaining);
+      }
+      return result;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds. If `immediate` is passed, trigger the function on the
+  // leading edge, instead of the trailing.
+  _.debounce = function(func, wait, immediate) {
+    var timeout, result;
+    return function() {
+      var context = this, args = arguments;
+      var later = function() {
+        timeout = null;
+        if (!immediate) result = func.apply(context, args);
+      };
+      var callNow = immediate && !timeout;
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+      if (callNow) result = func.apply(context, args);
+      return result;
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = function(func) {
+    var ran = false, memo;
+    return function() {
+      if (ran) return memo;
+      ran = true;
+      memo = func.apply(this, arguments);
+      func = null;
+      return memo;
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return function() {
+      var args = [func];
+      push.apply(args, arguments);
+      return wrapper.apply(this, args);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var funcs = arguments;
+    return function() {
+      var args = arguments;
+      for (var i = funcs.length - 1; i >= 0; i--) {
+        args = [funcs[i].apply(this, args)];
+      }
+      return args[0];
+    };
+  };
+
+  // Returns a function that will only be executed after being called N times.
+  _.after = function(times, func) {
+    if (times <= 0) return func();
+    return function() {
+      if (--times < 1) {
+        return func.apply(this, arguments);
+      }
+    };
+  };
+
+  // Object Functions
+  // ----------------
+
+  // Retrieve the names of an object's properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = nativeKeys || function(obj) {
+    if (obj !== Object(obj)) throw new TypeError('Invalid object');
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    var values = [];
+    for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
+    return values;
+  };
+
+  // Convert an object into a list of `[key, value]` pairs.
+  _.pairs = function(obj) {
+    var pairs = [];
+    for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
+    return pairs;
+  };
+
+  // Invert the keys and values of an object. The values must be serializable.
+  _.invert = function(obj) {
+    var result = {};
+    for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
+    return result;
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      if (source) {
+        for (var prop in source) {
+          obj[prop] = source[prop];
+        }
+      }
+    });
+    return obj;
+  };
+
+  // Return a copy of the object only containing the whitelisted properties.
+  _.pick = function(obj) {
+    var copy = {};
+    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+    each(keys, function(key) {
+      if (key in obj) copy[key] = obj[key];
+    });
+    return copy;
+  };
+
+   // Return a copy of the object without the blacklisted properties.
+  _.omit = function(obj) {
+    var copy = {};
+    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+    for (var key in obj) {
+      if (!_.contains(keys, key)) copy[key] = obj[key];
+    }
+    return copy;
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      if (source) {
+        for (var prop in source) {
+          if (obj[prop] == null) obj[prop] = source[prop];
+        }
+      }
+    });
+    return obj;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Internal recursive comparison function for `isEqual`.
+  var eq = function(a, b, aStack, bStack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+    if (a === b) return a !== 0 || 1 / a == 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className != toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, dates, and booleans are compared by value.
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return a == String(b);
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
+        // other numeric values.
+        return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a == +b;
+      // RegExps are compared by their source patterns and flags.
+      case '[object RegExp]':
+        return a.source == b.source &&
+               a.global == b.global &&
+               a.multiline == b.multiline &&
+               a.ignoreCase == b.ignoreCase;
+    }
+    if (typeof a != 'object' || typeof b != 'object') return false;
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+    var length = aStack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (aStack[length] == a) return bStack[length] == b;
+    }
+    // Add the first object to the stack of traversed objects.
+    aStack.push(a);
+    bStack.push(b);
+    var size = 0, result = true;
+    // Recursively compare objects and arrays.
+    if (className == '[object Array]') {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      size = a.length;
+      result = size == b.length;
+      if (result) {
+        // Deep compare the contents, ignoring non-numeric properties.
+        while (size--) {
+          if (!(result = eq(a[size], b[size], aStack, bStack))) break;
+        }
+      }
+    } else {
+      // Objects with different constructors are not equivalent, but `Object`s
+      // from different frames are.
+      var aCtor = a.constructor, bCtor = b.constructor;
+      if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
+                               _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
+        return false;
+      }
+      // Deep compare objects.
+      for (var key in a) {
+        if (_.has(a, key)) {
+          // Count the expected number of properties.
+          size++;
+          // Deep compare each member.
+          if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
+        }
+      }
+      // Ensure that both objects contain the same number of properties.
+      if (result) {
+        for (key in b) {
+          if (_.has(b, key) && !(size--)) break;
+        }
+        result = !size;
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    aStack.pop();
+    bStack.pop();
+    return result;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b, [], []);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (obj == null) return true;
+    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+    for (var key in obj) if (_.has(obj, key)) return false;
+    return true;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType === 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) == '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    return obj === Object(obj);
+  };
+
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
+  each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
+    _['is' + name] = function(obj) {
+      return toString.call(obj) == '[object ' + name + ']';
+    };
+  });
+
+  // Define a fallback version of the method in browsers (ahem, IE), where
+  // there isn't any inspectable "Arguments" type.
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return !!(obj && _.has(obj, 'callee'));
+    };
+  }
+
+  // Optimize `isFunction` if appropriate.
+  if (typeof (/./) !== 'function') {
+    _.isFunction = function(obj) {
+      return typeof obj === 'function';
+    };
+  }
+
+  // Is a given object a finite number?
+  _.isFinite = function(obj) {
+    return isFinite(obj) && !isNaN(parseFloat(obj));
+  };
+
+  // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+  _.isNaN = function(obj) {
+    return _.isNumber(obj) && obj != +obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Shortcut function for checking if an object has a given property directly
+  // on itself (in other words, not on a prototype).
+  _.has = function(obj, key) {
+    return hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iterators.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Run a function **n** times.
+  _.times = function(n, iterator, context) {
+    var accum = Array(n);
+    for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
+    return accum;
+  };
+
+  // Return a random integer between min and max (inclusive).
+  _.random = function(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  };
+
+  // List of HTML entities for escaping.
+  var entityMap = {
+    escape: {
+      '&': '&amp;',
+      '<': '&lt;',
+      '>': '&gt;',
+      '"': '&quot;',
+      "'": '&#x27;',
+      '/': '&#x2F;'
+    }
+  };
+  entityMap.unescape = _.invert(entityMap.escape);
+
+  // Regexes containing the keys and values listed immediately above.
+  var entityRegexes = {
+    escape:   new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
+    unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
+  };
+
+  // Functions for escaping and unescaping strings to/from HTML interpolation.
+  _.each(['escape', 'unescape'], function(method) {
+    _[method] = function(string) {
+      if (string == null) return '';
+      return ('' + string).replace(entityRegexes[method], function(match) {
+        return entityMap[method][match];
+      });
+    };
+  });
+
+  // If the value of the named property is a function then invoke it;
+  // otherwise, return it.
+  _.result = function(object, property) {
+    if (object == null) return null;
+    var value = object[property];
+    return _.isFunction(value) ? value.call(object) : value;
+  };
+
+  // Add your own custom functions to the Underscore object.
+  _.mixin = function(obj) {
+    each(_.functions(obj), function(name){
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = [this._wrapped];
+        push.apply(args, arguments);
+        return result.call(this, func.apply(_, args));
+      };
+    });
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = ++idCounter + '';
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /(.)^/;
+
+  // Certain characters need to be escaped so that they can be put into a
+  // string literal.
+  var escapes = {
+    "'":      "'",
+    '\\':     '\\',
+    '\r':     'r',
+    '\n':     'n',
+    '\t':     't',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  _.template = function(text, data, settings) {
+    var render;
+    settings = _.defaults({}, settings, _.templateSettings);
+
+    // Combine delimiters into one regular expression via alternation.
+    var matcher = new RegExp([
+      (settings.escape || noMatch).source,
+      (settings.interpolate || noMatch).source,
+      (settings.evaluate || noMatch).source
+    ].join('|') + '|$', 'g');
+
+    // Compile the template source, escaping string literals appropriately.
+    var index = 0;
+    var source = "__p+='";
+    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+      source += text.slice(index, offset)
+        .replace(escaper, function(match) { return '\\' + escapes[match]; });
+
+      if (escape) {
+        source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+      }
+      if (interpolate) {
+        source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+      }
+      if (evaluate) {
+        source += "';\n" + evaluate + "\n__p+='";
+      }
+      index = offset + match.length;
+      return match;
+    });
+    source += "';\n";
+
+    // If a variable is not specified, place data values in local scope.
+    if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+    source = "var __t,__p='',__j=Array.prototype.join," +
+      "print=function(){__p+=__j.call(arguments,'');};\n" +
+      source + "return __p;\n";
+
+    try {
+      render = new Function(settings.variable || 'obj', '_', source);
+    } catch (e) {
+      e.source = source;
+      throw e;
+    }
+
+    if (data) return render(data, _);
+    var template = function(data) {
+      return render.call(this, data, _);
+    };
+
+    // Provide the compiled function source as a convenience for precompilation.
+    template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
+
+    return template;
+  };
+
+  // Add a "chain" function, which will delegate to the wrapper.
+  _.chain = function(obj) {
+    return _(obj).chain();
+  };
+
+  // OOP
+  // ---------------
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(obj) {
+    return this._chain ? _(obj).chain() : obj;
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      var obj = this._wrapped;
+      method.apply(obj, arguments);
+      if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
+      return result.call(this, obj);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      return result.call(this, method.apply(this._wrapped, arguments));
+    };
+  });
+
+  _.extend(_.prototype, {
+
+    // Start chaining a wrapped Underscore object.
+    chain: function() {
+      this._chain = true;
+      return this;
+    },
+
+    // Extracts the result from a wrapped and chained object.
+    value: function() {
+      return this._wrapped;
+    }
+
+  });
+
+}).call(this);
+
+},{}],"jshint":[function(require,module,exports){
+module.exports=require('nr+AlQ');
+},{}],"nr+AlQ":[function(require,module,exports){
+/*!
+ * JSHint, by JSHint Community.
+ *
+ * This file (and this file only) is licensed under the same slightly modified
+ * MIT license that JSLint is. It stops evil-doers everywhere:
+ *
+ *   Copyright (c) 2002 Douglas Crockford  (www.JSLint.com)
+ *
+ *   Permission is hereby granted, free of charge, to any person obtaining
+ *   a copy of this software and associated documentation files (the "Software"),
+ *   to deal in the Software without restriction, including without limitation
+ *   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ *   and/or sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following conditions:
+ *
+ *   The above copyright notice and this permission notice shall be included
+ *   in all copies or substantial portions of the Software.
+ *
+ *   The Software shall be used for Good, not Evil.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *   DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*jshint quotmark:double */
+/*global console:true */
+/*exported console */
+
+var _        = require("underscore");
+var events   = require("events");
+var vars     = require("./vars.js");
+var messages = require("./messages.js");
+var Lexer    = require("./lex.js").Lexer;
+var reg      = require("./reg.js");
+var state    = require("./state.js").state;
+var style    = require("./style.js");
+
+// We need this module here because environments such as IE and Rhino
+// don't necessarilly expose the 'console' API and browserify uses
+// it to log things. It's a sad state of affair, really.
+var console = require("console-browserify");
+
+// We build the application inside a function so that we produce only a singleton
+// variable. That function will be invoked immediately, and its return value is
+// the JSHINT function itself.
+
+var JSHINT = (function () {
+  "use strict";
+
+  var anonname, // The guessed name for anonymous functions.
+    api, // Extension API
+
+    // These are operators that should not be used with the ! operator.
+    bang = {
+      "<"  : true,
+      "<=" : true,
+      "==" : true,
+      "===": true,
+      "!==": true,
+      "!=" : true,
+      ">"  : true,
+      ">=" : true,
+      "+"  : true,
+      "-"  : true,
+      "*"  : true,
+      "/"  : true,
+      "%"  : true
+    },
+
+    // These are the JSHint boolean options.
+    boolOptions = {
+      asi         : true, // if automatic semicolon insertion should be tolerated
+      bitwise     : true, // if bitwise operators should not be allowed
+      boss        : true, // if advanced usage of assignments should be allowed
+      browser     : true, // if the standard browser globals should be predefined
+      camelcase   : true, // if identifiers should be required in camel case
+      couch       : true, // if CouchDB globals should be predefined
+      curly       : true, // if curly braces around all blocks should be required
+      debug       : true, // if debugger statements should be allowed
+      devel       : true, // if logging globals should be predefined (console, alert, etc.)
+      dojo        : true, // if Dojo Toolkit globals should be predefined
+      eqeqeq      : true, // if === should be required
+      eqnull      : true, // if == null comparisons should be tolerated
+      notypeof    : true, // if should report typos in typeof comparisons
+      es3         : true, // if ES3 syntax should be allowed
+      es5         : true, // if ES5 syntax should be allowed (is now set per default)
+      esnext      : true, // if es.next specific syntax should be allowed
+      moz         : true, // if mozilla specific syntax should be allowed
+      evil        : true, // if eval should be allowed
+      expr        : true, // if ExpressionStatement should be allowed as Programs
+      forin       : true, // if for in statements must filter
+      funcscope   : true, // if only function scope should be used for scope tests
+      gcl         : true, // if JSHint should be compatible with Google Closure Linter
+      globalstrict: true, // if global "use strict"; should be allowed (also enables 'strict')
+      immed       : true, // if immediate invocations must be wrapped in parens
+      iterator    : true, // if the `__iterator__` property should be allowed
+      jquery      : true, // if jQuery globals should be predefined
+      lastsemic   : true, // if semicolons may be ommitted for the trailing
+                          // statements inside of a one-line blocks.
+      laxbreak    : true, // if line breaks should not be checked
+      laxcomma    : true, // if line breaks should not be checked around commas
+      loopfunc    : true, // if functions should be allowed to be defined within
+                          // loops
+      mootools    : true, // if MooTools globals should be predefined
+      multistr    : true, // allow multiline strings
+      freeze      : true, // if modifying native object prototypes should be disallowed
+      newcap      : true, // if constructor names must be capitalized
+      noarg       : true, // if arguments.caller and arguments.callee should be
+                          // disallowed
+      node        : true, // if the Node.js environment globals should be
+                          // predefined
+      noempty     : true, // if empty blocks should be disallowed
+      nonbsp      : true, // if non-breaking spaces should be disallowed
+      nonew       : true, // if using `new` for side-effects should be disallowed
+      nonstandard : true, // if non-standard (but widely adopted) globals should
+                          // be predefined
+      nomen       : true, // if names should be checked
+      onevar      : true, // if only one var statement per function should be
+                          // allowed
+      passfail    : true, // if the scan should stop on first error
+      phantom     : true, // if PhantomJS symbols should be allowed
+      plusplus    : true, // if increment/decrement should not be allowed
+      proto       : true, // if the `__proto__` property should be allowed
+      prototypejs : true, // if Prototype and Scriptaculous globals should be
+                          // predefined
+      rhino       : true, // if the Rhino environment globals should be predefined
+      shelljs     : true, // if ShellJS globals should be predefined
+      typed       : true, // if typed array globals should be predefined
+      undef       : true, // if variables should be declared before used
+      scripturl   : true, // if script-targeted URLs should be tolerated
+      smarttabs   : true, // if smarttabs should be tolerated
+                          // (http://www.emacswiki.org/emacs/SmartTabs)
+      strict      : true, // require the "use strict"; pragma
+      sub         : true, // if all forms of subscript notation are tolerated
+      supernew    : true, // if `new function () { ... };` and `new Object;`
+                          // should be tolerated
+      trailing    : true, // if trailing whitespace rules apply
+      validthis   : true, // if 'this' inside a non-constructor function is valid.
+                          // This is a function scoped option only.
+      withstmt    : true, // if with statements should be allowed
+      white       : true, // if strict whitespace rules apply
+      worker      : true, // if Web Worker script symbols should be allowed
+      wsh         : true, // if the Windows Scripting Host environment globals
+                          // should be predefined
+      yui         : true, // YUI variables should be predefined
+      noyield     : true, // allow generators without a yield
+
+      // Obsolete options
+      onecase     : true, // if one case switch statements should be allowed
+      regexp      : true, // if the . should not be allowed in regexp literals
+      regexdash   : true  // if unescaped first/last dash (-) inside brackets
+                          // should be tolerated
+    },
+
+    // These are the JSHint options that can take any value
+    // (we use this object to detect invalid options)
+    valOptions = {
+      maxlen       : false,
+      indent       : false,
+      maxerr       : false,
+      predef       : false, //predef is deprecated and being replaced by globals
+      globals      : false,
+      quotmark     : false, //'single'|'double'|true
+      scope        : false,
+      maxstatements: false, // {int} max statements per function
+      maxdepth     : false, // {int} max nested block depth per function
+      maxparams    : false, // {int} max params per function
+      maxcomplexity: false, // {int} max cyclomatic complexity per function
+      shadow       : false, // if variable shadowing should be tolerated
+                            //   "inner"  - check for variables defined in the same scope only
+                            //   "outer"  - check for variables defined in outer scopes as well
+                            //   false    - same as inner
+                            //   true     - allow variable shadowing
+      unused       : true,  // warn if variables are unused. Available options:
+                            //   false    - don't check for unused variables
+                            //   true     - "vars" + check last function param
+                            //   "vars"   - skip checking unused function params
+                            //   "strict" - "vars" + check all function params
+      latedef      : false, // warn if the variable is used before its definition
+                            //   false    - don't emit any warnings
+                            //   true     - warn if any variable is used before its definition
+                            //   "nofunc" - warn for any variable but function declarations
+      ignore       : false  // start/end ignoring lines of code, bypassing the lexer
+                            //   start    - start ignoring lines, including the current line
+                            //   end      - stop ignoring lines, starting on the next line
+                            //   line     - ignore warnings / errors for just a single line
+                            //              (this option does not bypass the lexer)
+    },
+
+    // These are JSHint boolean options which are shared with JSLint
+    // where the definition in JSHint is opposite JSLint
+    invertedOptions = {
+      bitwise : true,
+      forin   : true,
+      newcap  : true,
+      nomen   : true,
+      plusplus: true,
+      regexp  : true,
+      undef   : true,
+      white   : true,
+
+      // Inverted and renamed, use JSHint name here
+      eqeqeq  : true,
+      onevar  : true,
+      strict  : true
+    },
+
+    // These are JSHint boolean options which are shared with JSLint
+    // where the name has been changed but the effect is unchanged
+    renamedOptions = {
+      eqeq   : "eqeqeq",
+      vars   : "onevar",
+      windows: "wsh",
+      sloppy : "strict"
+    },
+
+    declared, // Globals that were declared using /*global ... */ syntax.
+    exported, // Variables that are used outside of the current file.
+
+    functionicity = [
+      "closure", "exception", "global", "label",
+      "outer", "unused", "var"
+    ],
+
+    funct, // The current function
+    functions, // All of the functions
+
+    global, // The global scope
+    implied, // Implied globals
+    inblock,
+    indent,
+    lookahead,
+    lex,
+    member,
+    membersOnly,
+    noreach,
+    predefined,    // Global variables defined by option
+
+    scope,  // The current scope
+    stack,
+    unuseds,
+    urls,
+    warnings,
+
+    extraModules = [],
+    emitter = new events.EventEmitter();
+
+  function checkOption(name, t) {
+    name = name.trim();
+
+    if (/^[+-]W\d{3}$/g.test(name)) {
+      return true;
+    }
+
+    if (valOptions[name] === undefined && boolOptions[name] === undefined) {
+      if (t.type !== "jslint") {
+        error("E001", t, name);
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function isString(obj) {
+    return Object.prototype.toString.call(obj) === "[object String]";
+  }
+
+  function isIdentifier(tkn, value) {
+    if (!tkn)
+      return false;
+
+    if (!tkn.identifier || tkn.value !== value)
+      return false;
+
+    return true;
+  }
+
+  function isReserved(token) {
+    if (!token.reserved) {
+      return false;
+    }
+    var meta = token.meta;
+
+    if (meta && meta.isFutureReservedWord && state.option.inES5()) {
+      // ES3 FutureReservedWord in an ES5 environment.
+      if (!meta.es5) {
+        return false;
+      }
+
+      // Some ES5 FutureReservedWord identifiers are active only
+      // within a strict mode environment.
+      if (meta.strictOnly) {
+        if (!state.option.strict && !state.directive["use strict"]) {
+          return false;
+        }
+      }
+
+      if (token.isProperty) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function supplant(str, data) {
+    return str.replace(/\{([^{}]*)\}/g, function (a, b) {
+      var r = data[b];
+      return typeof r === "string" || typeof r === "number" ? r : a;
+    });
+  }
+
+  function combine(dest, src) {
+    Object.keys(src).forEach(function (name) {
+      if (JSHINT.blacklist.hasOwnProperty(name)) return;
+      dest[name] = src[name];
+    });
+  }
+
+  function assume() {
+    if (state.option.es5) {
+      warning("I003");
+    }
+    if (state.option.couch) {
+      combine(predefined, vars.couch);
+    }
+
+    if (state.option.rhino) {
+      combine(predefined, vars.rhino);
+    }
+
+    if (state.option.shelljs) {
+      combine(predefined, vars.shelljs);
+      combine(predefined, vars.node);
+    }
+    if (state.option.typed) {
+      combine(predefined, vars.typed);
+    }
+
+    if (state.option.phantom) {
+      combine(predefined, vars.phantom);
+    }
+
+    if (state.option.prototypejs) {
+      combine(predefined, vars.prototypejs);
+    }
+
+    if (state.option.node) {
+      combine(predefined, vars.node);
+      combine(predefined, vars.typed);
+    }
+
+    if (state.option.devel) {
+      combine(predefined, vars.devel);
+    }
+
+    if (state.option.dojo) {
+      combine(predefined, vars.dojo);
+    }
+
+    if (state.option.browser) {
+      combine(predefined, vars.browser);
+      combine(predefined, vars.typed);
+    }
+
+    if (state.option.nonstandard) {
+      combine(predefined, vars.nonstandard);
+    }
+
+    if (state.option.jquery) {
+      combine(predefined, vars.jquery);
+    }
+
+    if (state.option.mootools) {
+      combine(predefined, vars.mootools);
+    }
+
+    if (state.option.worker) {
+      combine(predefined, vars.worker);
+    }
+
+    if (state.option.wsh) {
+      combine(predefined, vars.wsh);
+    }
+
+    if (state.option.globalstrict && state.option.strict !== false) {
+      state.option.strict = true;
+    }
+
+    if (state.option.yui) {
+      combine(predefined, vars.yui);
+    }
+
+    // Let's assume that chronologically ES3 < ES5 < ES6/ESNext < Moz
+
+    state.option.inMoz = function (strict) {
+      if (strict) {
+        return state.option.moz && !state.option.esnext;
+      }
+      return state.option.moz;
+    };
+
+    state.option.inESNext = function (strict) {
+      if (strict) {
+        return !state.option.moz && state.option.esnext;
+      }
+      return state.option.moz || state.option.esnext;
+    };
+
+    state.option.inES5 = function (/* strict */) {
+      return !state.option.es3;
+    };
+
+    state.option.inES3 = function (strict) {
+      if (strict) {
+        return !state.option.moz && !state.option.esnext && state.option.es3;
+      }
+      return state.option.es3;
+    };
+  }
+
+  // Produce an error warning.
+  function quit(code, line, chr) {
+    var percentage = Math.floor((line / state.lines.length) * 100);
+    var message = messages.errors[code].desc;
+
+    throw {
+      name: "JSHintError",
+      line: line,
+      character: chr,
+      message: message + " (" + percentage + "% scanned).",
+      raw: message,
+      code: code
+    };
+  }
+
+  function isundef(scope, code, token, a) {
+    return JSHINT.undefs.push([scope, code, token, a]);
+  }
+
+  function warning(code, t, a, b, c, d) {
+    var ch, l, w, msg;
+
+    if (/^W\d{3}$/.test(code)) {
+      if (state.ignored[code])
+        return;
+
+      msg = messages.warnings[code];
+    } else if (/E\d{3}/.test(code)) {
+      msg = messages.errors[code];
+    } else if (/I\d{3}/.test(code)) {
+      msg = messages.info[code];
+    }
+
+    t = t || state.tokens.next;
+    if (t.id === "(end)") {  // `~
+      t = state.tokens.curr;
+    }
+
+    l = t.line || 0;
+    ch = t.from || 0;
+
+    w = {
+      id: "(error)",
+      raw: msg.desc,
+      code: msg.code,
+      evidence: state.lines[l - 1] || "",
+      line: l,
+      character: ch,
+      scope: JSHINT.scope,
+      a: a,
+      b: b,
+      c: c,
+      d: d
+    };
+
+    w.reason = supplant(msg.desc, w);
+    JSHINT.errors.push(w);
+
+    if (state.option.passfail) {
+      quit("E042", l, ch);
+    }
+
+    warnings += 1;
+    if (warnings >= state.option.maxerr) {
+      quit("E043", l, ch);
+    }
+
+    return w;
+  }
+
+  function warningAt(m, l, ch, a, b, c, d) {
+    return warning(m, {
+      line: l,
+      from: ch
+    }, a, b, c, d);
+  }
+
+  function error(m, t, a, b, c, d) {
+    warning(m, t, a, b, c, d);
+  }
+
+  function errorAt(m, l, ch, a, b, c, d) {
+    return error(m, {
+      line: l,
+      from: ch
+    }, a, b, c, d);
+  }
+
+  // Tracking of "internal" scripts, like eval containing a static string
+  function addInternalSrc(elem, src) {
+    var i;
+    i = {
+      id: "(internal)",
+      elem: elem,
+      value: src
+    };
+    JSHINT.internals.push(i);
+    return i;
+  }
+
+  // name: string
+  // opts: { type: string, token: token, islet: bool }
+  function addlabel(name, opts) {
+    opts = opts || {};
+
+    var type  = opts.type;
+    var token = opts.token;
+    var islet = opts.islet;
+
+    // Define label in the current function in the current scope.
+    if (type === "exception") {
+      if (_.has(funct["(context)"], name)) {
+        if (funct[name] !== true && !state.option.node) {
+          warning("W002", state.tokens.next, name);
+        }
+      }
+    }
+
+    if (_.has(funct, name) && !funct["(global)"]) {
+      if (funct[name] === true) {
+        if (state.option.latedef) {
+          if ((state.option.latedef === true && _.contains([funct[name], type], "unction")) ||
+              !_.contains([funct[name], type], "unction")) {
+            warning("W003", state.tokens.next, name);
+          }
+        }
+      } else {
+        if ((!state.option.shadow || _.contains([ "inner", "outer" ], state.option.shadow)) &&
+            type !== "exception" || funct["(blockscope)"].getlabel(name)) {
+          warning("W004", state.tokens.next, name);
+        }
+      }
+    }
+
+    if (funct["(context)"] && _.has(funct["(context)"], name) && type !== "function") {
+      if (state.option.shadow === "outer") {
+        warning("W123", state.tokens.next, name);
+      }
+    }
+
+    // if the identifier is from a let, adds it only to the current blockscope
+    if (islet) {
+      funct["(blockscope)"].current.add(name, type, state.tokens.curr);
+    } else {
+      funct["(blockscope)"].shadow(name);
+      funct[name] = type;
+
+      if (token) {
+        funct["(tokens)"][name] = token;
+      }
+
+      setprop(funct, name, { unused: opts.unused || false });
+
+      if (funct["(global)"]) {
+        global[name] = funct;
+        if (_.has(implied, name)) {
+          if (state.option.latedef) {
+            if ((state.option.latedef === true && _.contains([funct[name], type], "unction")) ||
+                !_.contains([funct[name], type], "unction")) {
+              warning("W003", state.tokens.next, name);
+            }
+          }
+
+          delete implied[name];
+        }
+      } else {
+        scope[name] = funct;
+      }
+    }
+  }
+
+  function doOption() {
+    var nt = state.tokens.next;
+    var body = nt.body.split(",").map(function (s) { return s.trim(); });
+    var predef = {};
+
+    if (nt.type === "globals") {
+      body.forEach(function (g) {
+        g = g.split(":");
+        var key = (g[0] || "").trim();
+        var val = (g[1] || "").trim();
+
+        if (key.charAt(0) === "-") {
+          key = key.slice(1);
+          val = false;
+
+          JSHINT.blacklist[key] = key;
+          delete predefined[key];
+        } else {
+          predef[key] = (val === "true");
+        }
+      });
+
+      combine(predefined, predef);
+
+      for (var key in predef) {
+        if (_.has(predef, key)) {
+          declared[key] = nt;
+        }
+      }
+    }
+
+    if (nt.type === "exported") {
+      body.forEach(function (e) {
+        exported[e] = true;
+      });
+    }
+
+    if (nt.type === "members") {
+      membersOnly = membersOnly || {};
+
+      body.forEach(function (m) {
+        var ch1 = m.charAt(0);
+        var ch2 = m.charAt(m.length - 1);
+
+        if (ch1 === ch2 && (ch1 === "\"" || ch1 === "'")) {
+          m = m
+            .substr(1, m.length - 2)
+            .replace("\\\"", "\"");
+        }
+
+        membersOnly[m] = false;
+      });
+    }
+
+    var numvals = [
+      "maxstatements",
+      "maxparams",
+      "maxdepth",
+      "maxcomplexity",
+      "maxerr",
+      "maxlen",
+      "indent"
+    ];
+
+    if (nt.type === "jshint" || nt.type === "jslint") {
+      body.forEach(function (g) {
+        g = g.split(":");
+        var key = (g[0] || "").trim();
+        var val = (g[1] || "").trim();
+
+        if (!checkOption(key, nt)) {
+          return;
+        }
+
+        if (numvals.indexOf(key) >= 0) {
+
+          // GH988 - numeric options can be disabled by setting them to `false`
+          if (val !== "false") {
+            val = +val;
+
+            if (typeof val !== "number" || !isFinite(val) || val <= 0 || Math.floor(val) !== val) {
+              error("E032", nt, g[1].trim());
+              return;
+            }
+
+            if (key === "indent") {
+              state.option["(explicitIndent)"] = true;
+            }
+            state.option[key] = val;
+          } else {
+            if (key === "indent") {
+              state.option["(explicitIndent)"] = false;
+            } else {
+              state.option[key] = false;
+            }
+          }
+
+          return;
+        }
+
+        if (key === "validthis") {
+          // `validthis` is valid only within a function scope.
+
+          if (funct["(global)"])
+            return void error("E009");
+
+          if (val !== "true" && val !== "false")
+            return void error("E002", nt);
+
+          state.option.validthis = (val === "true");
+          return;
+        }
+
+        if (key === "quotmark") {
+          switch (val) {
+          case "true":
+          case "false":
+            state.option.quotmark = (val === "true");
+            break;
+          case "double":
+          case "single":
+            state.option.quotmark = val;
+            break;
+          default:
+            error("E002", nt);
+          }
+          return;
+        }
+
+        if (key === "shadow") {
+          switch (val) {
+          case "true":
+            state.option.shadow = true;
+            break;
+          case "outer":
+            state.option.shadow = "outer";
+            break;
+          case "false":
+          case "inner":
+            state.option.shadow = "inner";
+            break;
+          default:
+            error("E002", nt);
+          }
+          return;
+        }
+
+        if (key === "unused") {
+          switch (val) {
+          case "true":
+            state.option.unused = true;
+            break;
+          case "false":
+            state.option.unused = false;
+            break;
+          case "vars":
+          case "strict":
+            state.option.unused = val;
+            break;
+          default:
+            error("E002", nt);
+          }
+          return;
+        }
+
+        if (key === "latedef") {
+          switch (val) {
+          case "true":
+            state.option.latedef = true;
+            break;
+          case "false":
+            state.option.latedef = false;
+            break;
+          case "nofunc":
+            state.option.latedef = "nofunc";
+            break;
+          default:
+            error("E002", nt);
+          }
+          return;
+        }
+
+        if (key === "ignore") {
+          switch (val) {
+          case "start":
+            state.ignoreLinterErrors = true;
+            break;
+          case "end":
+            state.ignoreLinterErrors = false;
+            break;
+          case "line":
+            // Any errors or warnings that happened on the current line, make them go away.
+            JSHINT.errors = _.reject(JSHINT.errors, function (error) {
+              // nt.line returns to the current line
+              return error.line === nt.line;
+            });
+            break;
+          default:
+            error("E002", nt);
+          }
+          return;
+        }
+
+        var match = /^([+-])(W\d{3})$/g.exec(key);
+        if (match) {
+          // ignore for -W..., unignore for +W...
+          state.ignored[match[2]] = (match[1] === "-");
+          return;
+        }
+
+        var tn;
+        if (val === "true" || val === "false") {
+          if (nt.type === "jslint") {
+            tn = renamedOptions[key] || key;
+            state.option[tn] = (val === "true");
+
+            if (invertedOptions[tn] !== undefined) {
+              state.option[tn] = !state.option[tn];
+            }
+          } else {
+            state.option[key] = (val === "true");
+          }
+
+          if (key === "newcap") {
+            state.option["(explicitNewcap)"] = true;
+          }
+          return;
+        }
+
+        error("E002", nt);
+      });
+
+      assume();
+    }
+  }
+
+  // We need a peek function. If it has an argument, it peeks that much farther
+  // ahead. It is used to distinguish
+  //     for ( var i in ...
+  // from
+  //     for ( var i = ...
+
+  function peek(p) {
+    var i = p || 0, j = 0, t;
+
+    while (j <= i) {
+      t = lookahead[j];
+      if (!t) {
+        t = lookahead[j] = lex.token();
+      }
+      j += 1;
+    }
+    return t;
+  }
+
+  // Produce the next token. It looks for programming errors.
+
+  function advance(id, t) {
+    switch (state.tokens.curr.id) {
+    case "(number)":
+      if (state.tokens.next.id === ".") {
+        warning("W005", state.tokens.curr);
+      }
+      break;
+    case "-":
+      if (state.tokens.next.id === "-" || state.tokens.next.id === "--") {
+        warning("W006");
+      }
+      break;
+    case "+":
+      if (state.tokens.next.id === "+" || state.tokens.next.id === "++") {
+        warning("W007");
+      }
+      break;
+    }
+
+    if (state.tokens.curr.type === "(string)" || state.tokens.curr.identifier) {
+      anonname = state.tokens.curr.value;
+    }
+
+    if (id && state.tokens.next.id !== id) {
+      if (t) {
+        if (state.tokens.next.id === "(end)") {
+          error("E019", t, t.id);
+        } else {
+          error("E020", state.tokens.next, id, t.id, t.line, state.tokens.next.value);
+        }
+      } else if (state.tokens.next.type !== "(identifier)" || state.tokens.next.value !== id) {
+        warning("W116", state.tokens.next, id, state.tokens.next.value);
+      }
+    }
+
+    state.tokens.prev = state.tokens.curr;
+    state.tokens.curr = state.tokens.next;
+    for (;;) {
+      state.tokens.next = lookahead.shift() || lex.token();
+
+      if (!state.tokens.next) { // No more tokens left, give up
+        quit("E041", state.tokens.curr.line);
+      }
+
+      if (state.tokens.next.id === "(end)" || state.tokens.next.id === "(error)") {
+        return;
+      }
+
+      if (state.tokens.next.check) {
+        state.tokens.next.check();
+      }
+
+      if (state.tokens.next.isSpecial) {
+        doOption();
+      } else {
+        if (state.tokens.next.id !== "(endline)") {
+          break;
+        }
+      }
+    }
+  }
+
+  function isInfix(token) {
+    return token.infix || (!token.identifier && !!token.led);
+  }
+
+  function isEndOfExpr() {
+    var curr = state.tokens.curr;
+    var next = state.tokens.next;
+    if (next.id === ";" || next.id === "}" || next.id === ":") {
+      return true;
+    }
+    if (isInfix(next) === isInfix(curr) || (curr.id === "yield" && state.option.inMoz(true))) {
+      return curr.line !== next.line;
+    }
+    return false;
+  }
+
+  // This is the heart of JSHINT, the Pratt parser. In addition to parsing, it
+  // is looking for ad hoc lint patterns. We add .fud to Pratt's model, which is
+  // like .nud except that it is only used on the first token of a statement.
+  // Having .fud makes it much easier to define statement-oriented languages like
+  // JavaScript. I retained Pratt's nomenclature.
+
+  // .nud  Null denotation
+  // .fud  First null denotation
+  // .led  Left denotation
+  //  lbp  Left binding power
+  //  rbp  Right binding power
+
+  // They are elements of the parsing method called Top Down Operator Precedence.
+
+  function expression(rbp, initial) {
+    var left, isArray = false, isObject = false, isLetExpr = false;
+
+    // if current expression is a let expression
+    if (!initial && state.tokens.next.value === "let" && peek(0).value === "(") {
+      if (!state.option.inMoz(true)) {
+        warning("W118", state.tokens.next, "let expressions");
+      }
+      isLetExpr = true;
+      // create a new block scope we use only for the current expression
+      funct["(blockscope)"].stack();
+      advance("let");
+      advance("(");
+      state.syntax["let"].fud.call(state.syntax["let"].fud, false);
+      advance(")");
+    }
+
+    if (state.tokens.next.id === "(end)")
+      error("E006", state.tokens.curr);
+
+    advance();
+
+    if (initial) {
+      anonname = "anonymous";
+      funct["(verb)"] = state.tokens.curr.value;
+    }
+
+    if (initial === true && state.tokens.curr.fud) {
+      left = state.tokens.curr.fud();
+    } else {
+      if (state.tokens.curr.nud) {
+        left = state.tokens.curr.nud();
+      } else {
+        error("E030", state.tokens.curr, state.tokens.curr.id);
+      }
+
+      while (rbp < state.tokens.next.lbp && !isEndOfExpr()) {
+        isArray = state.tokens.curr.value === "Array";
+        isObject = state.tokens.curr.value === "Object";
+
+        // #527, new Foo.Array(), Foo.Array(), new Foo.Object(), Foo.Object()
+        // Line breaks in IfStatement heads exist to satisfy the checkJSHint
+        // "Line too long." error.
+        if (left && (left.value || (left.first && left.first.value))) {
+          // If the left.value is not "new", or the left.first.value is a "."
+          // then safely assume that this is not "new Array()" and possibly
+          // not "new Object()"...
+          if (left.value !== "new" ||
+            (left.first && left.first.value && left.first.value === ".")) {
+            isArray = false;
+            // ...In the case of Object, if the left.value and state.tokens.curr.value
+            // are not equal, then safely assume that this not "new Object()"
+            if (left.value !== state.tokens.curr.value) {
+              isObject = false;
+            }
+          }
+        }
+
+        advance();
+
+        if (isArray && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
+          warning("W009", state.tokens.curr);
+        }
+
+        if (isObject && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
+          warning("W010", state.tokens.curr);
+        }
+
+        if (left && state.tokens.curr.led) {
+          left = state.tokens.curr.led(left);
+        } else {
+          error("E033", state.tokens.curr, state.tokens.curr.id);
+        }
+      }
+    }
+    if (isLetExpr) {
+      funct["(blockscope)"].unstack();
+    }
+    return left;
+  }
+
+
+// Functions for conformance of style.
+
+  function adjacent(left, right) {
+    left = left || state.tokens.curr;
+    right = right || state.tokens.next;
+    if (state.option.white) {
+      if (left.character !== right.from && left.line === right.line) {
+        left.from += (left.character - left.from);
+        warning("W011", left, left.value);
+      }
+    }
+  }
+
+  function nobreak(left, right) {
+    left = left || state.tokens.curr;
+    right = right || state.tokens.next;
+    if (state.option.white && (left.character !== right.from || left.line !== right.line)) {
+      warning("W012", right, right.value);
+    }
+  }
+
+  function nospace(left, right) {
+    left = left || state.tokens.curr;
+    right = right || state.tokens.next;
+    if (state.option.white && !left.comment) {
+      if (left.line === right.line) {
+        adjacent(left, right);
+      }
+    }
+  }
+
+  function nonadjacent(left, right) {
+    if (state.option.white) {
+      left = left || state.tokens.curr;
+      right = right || state.tokens.next;
+
+      if (left.value === ";" && right.value === ";") {
+        return;
+      }
+
+      if (left.line === right.line && left.character === right.from) {
+        left.from += (left.character - left.from);
+        warning("W013", left, left.value);
+      }
+    }
+  }
+
+  function nobreaknonadjacent(left, right) {
+    left = left || state.tokens.curr;
+    right = right || state.tokens.next;
+    if (!state.option.laxbreak && left.line !== right.line) {
+      warning("W014", right, right.value);
+    } else if (state.option.white) {
+      left = left || state.tokens.curr;
+      right = right || state.tokens.next;
+      if (left.character === right.from) {
+        left.from += (left.character - left.from);
+        warning("W013", left, left.value);
+      }
+    }
+  }
+
+  function indentation(bias) {
+    if (!state.option.white && !state.option["(explicitIndent)"]) {
+      return;
+    }
+
+    if (state.tokens.next.id === "(end)") {
+      return;
+    }
+
+    var i = indent + (bias || 0);
+    if (state.tokens.next.from !== i) {
+      warning("W015", state.tokens.next, state.tokens.next.value, i, state.tokens.next.from);
+    }
+  }
+
+  function nolinebreak(t) {
+    t = t || state.tokens.curr;
+    if (t.line !== state.tokens.next.line) {
+      warning("E022", t, t.value);
+    }
+  }
+
+  function nobreakcomma(left, right) {
+    if (left.line !== right.line) {
+      if (!state.option.laxcomma) {
+        if (comma.first) {
+          warning("I001");
+          comma.first = false;
+        }
+        warning("W014", left, right.value);
+      }
+    } else if (!left.comment && left.character !== right.from && state.option.white) {
+      left.from += (left.character - left.from);
+      warning("W011", left, left.value);
+    }
+  }
+
+  function comma(opts) {
+    opts = opts || {};
+
+    if (!opts.peek) {
+      nobreakcomma(state.tokens.curr, state.tokens.next);
+      advance(",");
+    } else {
+      nobreakcomma(state.tokens.prev, state.tokens.curr);
+    }
+
+    // TODO: This is a temporary solution to fight against false-positives in
+    // arrays and objects with trailing commas (see GH-363). The best solution
+    // would be to extract all whitespace rules out of parser.
+
+    if (state.tokens.next.value !== "]" && state.tokens.next.value !== "}") {
+      nonadjacent(state.tokens.curr, state.tokens.next);
+    }
+
+    if (state.tokens.next.identifier && !(opts.property && state.option.inES5())) {
+      // Keywords that cannot follow a comma operator.
+      switch (state.tokens.next.value) {
+      case "break":
+      case "case":
+      case "catch":
+      case "continue":
+      case "default":
+      case "do":
+      case "else":
+      case "finally":
+      case "for":
+      case "if":
+      case "in":
+      case "instanceof":
+      case "return":
+      case "switch":
+      case "throw":
+      case "try":
+      case "var":
+      case "let":
+      case "while":
+      case "with":
+        error("E024", state.tokens.next, state.tokens.next.value);
+        return false;
+      }
+    }
+
+    if (state.tokens.next.type === "(punctuator)") {
+      switch (state.tokens.next.value) {
+      case "}":
+      case "]":
+      case ",":
+        if (opts.allowTrailing) {
+          return true;
+        }
+
+        /* falls through */
+      case ")":
+        error("E024", state.tokens.next, state.tokens.next.value);
+        return false;
+      }
+    }
+    return true;
+  }
+
+  // Functional constructors for making the symbols that will be inherited by
+  // tokens.
+
+  function symbol(s, p) {
+    var x = state.syntax[s];
+    if (!x || typeof x !== "object") {
+      state.syntax[s] = x = {
+        id: s,
+        lbp: p,
+        value: s
+      };
+    }
+    return x;
+  }
+
+  function delim(s) {
+    return symbol(s, 0);
+  }
+
+  function stmt(s, f) {
+    var x = delim(s);
+    x.identifier = x.reserved = true;
+    x.fud = f;
+    return x;
+  }
+
+  function blockstmt(s, f) {
+    var x = stmt(s, f);
+    x.block = true;
+    return x;
+  }
+
+  function reserveName(x) {
+    var c = x.id.charAt(0);
+    if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
+      x.identifier = x.reserved = true;
+    }
+    return x;
+  }
+
+  function prefix(s, f) {
+    var x = symbol(s, 150);
+    reserveName(x);
+
+    x.nud = (typeof f === "function") ? f : function () {
+      this.right = expression(150);
+      this.arity = "unary";
+
+      if (this.id === "++" || this.id === "--") {
+        if (state.option.plusplus) {
+          warning("W016", this, this.id);
+        } else if (this.right && (!this.right.identifier || isReserved(this.right)) &&
+            this.right.id !== "." && this.right.id !== "[") {
+          warning("W017", this);
+        }
+      }
+
+      return this;
+    };
+
+    return x;
+  }
+
+  function type(s, f) {
+    var x = delim(s);
+    x.type = s;
+    x.nud = f;
+    return x;
+  }
+
+  function reserve(name, func) {
+    var x = type(name, func);
+    x.identifier = true;
+    x.reserved = true;
+    return x;
+  }
+
+  function FutureReservedWord(name, meta) {
+    var x = type(name, (meta && meta.nud) || function () {
+      return this;
+    });
+
+    meta = meta || {};
+    meta.isFutureReservedWord = true;
+
+    x.value = name;
+    x.identifier = true;
+    x.reserved = true;
+    x.meta = meta;
+
+    return x;
+  }
+
+  function reservevar(s, v) {
+    return reserve(s, function () {
+      if (typeof v === "function") {
+        v(this);
+      }
+      return this;
+    });
+  }
+
+  function infix(s, f, p, w) {
+    var x = symbol(s, p);
+    reserveName(x);
+    x.infix = true;
+    x.led = function (left) {
+      if (!w) {
+        nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+        nonadjacent(state.tokens.curr, state.tokens.next);
+      }
+      if (s === "in" && left.id === "!") {
+        warning("W018", left, "!");
+      }
+      if (typeof f === "function") {
+        return f(left, this);
+      } else {
+        this.left = left;
+        this.right = expression(p);
+        return this;
+      }
+    };
+    return x;
+  }
+
+
+  function application(s) {
+    var x = symbol(s, 42);
+
+    x.led = function (left) {
+      if (!state.option.inESNext()) {
+        warning("W104", state.tokens.curr, "arrow function syntax (=>)");
+      }
+
+      nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+      nonadjacent(state.tokens.curr, state.tokens.next);
+
+      this.left = left;
+      this.right = doFunction(undefined, undefined, false, left);
+      return this;
+    };
+    return x;
+  }
+
+  function relation(s, f) {
+    var x = symbol(s, 100);
+
+    x.led = function (left) {
+      nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      var right = expression(100);
+
+      if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
+        warning("W019", this);
+      } else if (f) {
+        f.apply(this, [left, right]);
+      }
+
+      if (!left || !right) {
+        quit("E041", state.tokens.curr.line);
+      }
+
+      if (left.id === "!") {
+        warning("W018", left, "!");
+      }
+
+      if (right.id === "!") {
+        warning("W018", right, "!");
+      }
+
+      this.left = left;
+      this.right = right;
+      return this;
+    };
+    return x;
+  }
+
+  function isPoorRelation(node) {
+    return node &&
+        ((node.type === "(number)" && +node.value === 0) ||
+         (node.type === "(string)" && node.value === "") ||
+         (node.type === "null" && !state.option.eqnull) ||
+        node.type === "true" ||
+        node.type === "false" ||
+        node.type === "undefined");
+  }
+
+  // Checks whether the 'typeof' operator is used with the correct
+  // value. For docs on 'typeof' see:
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof
+
+  function isTypoTypeof(left, right) {
+    if (state.option.notypeof)
+      return false;
+
+    if (!left || !right)
+      return false;
+
+    var values = [
+      "undefined", "object", "boolean", "number",
+      "string", "function", "xml", "object", "unknown"
+    ];
+
+    if (right.type === "(identifier)" && right.value === "typeof" && left.type === "(string)")
+      return !_.contains(values, left.value);
+
+    return false;
+  }
+
+  function findNativePrototype(left) {
+    var natives = [
+      "Array", "ArrayBuffer", "Boolean", "Collator", "DataView", "Date",
+      "DateTimeFormat", "Error", "EvalError", "Float32Array", "Float64Array",
+      "Function", "Infinity", "Intl", "Int16Array", "Int32Array", "Int8Array",
+      "Iterator", "Number", "NumberFormat", "Object", "RangeError",
+      "ReferenceError", "RegExp", "StopIteration", "String", "SyntaxError",
+      "TypeError", "Uint16Array", "Uint32Array", "Uint8Array", "Uint8ClampedArray",
+      "URIError"
+    ];
+
+    function walkPrototype(obj) {
+      if (typeof obj !== "object") return;
+      return obj.right === "prototype" ? obj : walkPrototype(obj.left);
+    }
+
+    function walkNative(obj) {
+      while (!obj.identifier && typeof obj.left === "object")
+        obj = obj.left;
+
+      if (obj.identifier && natives.indexOf(obj.value) >= 0)
+        return obj.value;
+    }
+
+    var prototype = walkPrototype(left);
+    if (prototype) return walkNative(prototype);
+  }
+
+  function assignop(s, f, p) {
+    var x = infix(s, typeof f === "function" ? f : function (left, that) {
+      that.left = left;
+
+      if (left) {
+        if (state.option.freeze) {
+          var nativeObject = findNativePrototype(left);
+          if (nativeObject)
+            warning("W121", left, nativeObject);
+        }
+
+        if (predefined[left.value] === false &&
+            scope[left.value]["(global)"] === true) {
+          warning("W020", left);
+        } else if (left["function"]) {
+          warning("W021", left, left.value);
+        }
+
+        if (funct[left.value] === "const") {
+          error("E013", left, left.value);
+        }
+
+        if (left.id === ".") {
+          if (!left.left) {
+            warning("E031", that);
+          } else if (left.left.value === "arguments" && !state.directive["use strict"]) {
+            warning("E031", that);
+          }
+
+          that.right = expression(10);
+          return that;
+        } else if (left.id === "[") {
+          if (state.tokens.curr.left.first) {
+            state.tokens.curr.left.first.forEach(function (t) {
+              if (funct[t.value] === "const") {
+                error("E013", t, t.value);
+              }
+            });
+          } else if (!left.left) {
+            warning("E031", that);
+          } else if (left.left.value === "arguments" && !state.directive["use strict"]) {
+            warning("E031", that);
+          }
+          that.right = expression(10);
+          return that;
+        } else if (left.identifier && !isReserved(left)) {
+          if (funct[left.value] === "exception") {
+            warning("W022", left);
+          }
+          that.right = expression(10);
+          return that;
+        }
+
+        if (left === state.syntax["function"]) {
+          warning("W023", state.tokens.curr);
+        }
+      }
+
+      error("E031", that);
+    }, p);
+
+    x.exps = true;
+    x.assign = true;
+    return x;
+  }
+
+
+  function bitwise(s, f, p) {
+    var x = symbol(s, p);
+    reserveName(x);
+    x.led = (typeof f === "function") ? f : function (left) {
+      if (state.option.bitwise) {
+        warning("W016", this, this.id);
+      }
+      this.left = left;
+      this.right = expression(p);
+      return this;
+    };
+    return x;
+  }
+
+
+  function bitwiseassignop(s) {
+    return assignop(s, function (left, that) {
+      if (state.option.bitwise) {
+        warning("W016", that, that.id);
+      }
+      nonadjacent(state.tokens.prev, state.tokens.curr);
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      if (left) {
+        if (left.id === "." || left.id === "[" ||
+            (left.identifier && !isReserved(left))) {
+          expression(10);
+          return that;
+        }
+        if (left === state.syntax["function"]) {
+          warning("W023", state.tokens.curr);
+        }
+        return that;
+      }
+      error("E031", that);
+    }, 20);
+  }
+
+
+  function suffix(s) {
+    var x = symbol(s, 150);
+
+    x.led = function (left) {
+      if (state.option.plusplus) {
+        warning("W016", this, this.id);
+      } else if ((!left.identifier || isReserved(left)) && left.id !== "." && left.id !== "[") {
+        warning("W017", this);
+      }
+
+      this.left = left;
+      return this;
+    };
+    return x;
+  }
+
+  // fnparam means that this identifier is being defined as a function
+  // argument (see identifier())
+  // prop means that this identifier is that of an object property
+
+  function optionalidentifier(fnparam, prop) {
+    if (!state.tokens.next.identifier) {
+      return;
+    }
+
+    advance();
+
+    var curr = state.tokens.curr;
+    var val  = state.tokens.curr.value;
+
+    if (!isReserved(curr)) {
+      return val;
+    }
+
+    if (prop) {
+      if (state.option.inES5()) {
+        return val;
+      }
+    }
+
+    if (fnparam && val === "undefined") {
+      return val;
+    }
+
+    // Display an info message about reserved words as properties
+    // and ES5 but do it only once.
+    if (prop && !api.getCache("displayed:I002")) {
+      api.setCache("displayed:I002", true);
+      warning("I002");
+    }
+
+    warning("W024", state.tokens.curr, state.tokens.curr.id);
+    return val;
+  }
+
+  // fnparam means that this identifier is being defined as a function
+  // argument
+  // prop means that this identifier is that of an object property
+  function identifier(fnparam, prop) {
+    var i = optionalidentifier(fnparam, prop);
+    if (i) {
+      return i;
+    }
+    if (state.tokens.curr.id === "function" && state.tokens.next.id === "(") {
+      warning("W025");
+    } else {
+      error("E030", state.tokens.next, state.tokens.next.value);
+    }
+  }
+
+
+  function reachable(s) {
+    var i = 0, t;
+    if (state.tokens.next.id !== ";" || noreach) {
+      return;
+    }
+    for (;;) {
+      do {
+        t = peek(i);
+        i += 1;
+      } while (t.id != "(end)" && t.id === "(comment)");
+
+      if (t.reach) {
+        return;
+      }
+      if (t.id !== "(endline)") {
+        if (t.id === "function") {
+          if (state.option.latedef === true) {
+            warning("W026", t);
+          }
+          break;
+        }
+
+        warning("W027", t, t.value, s);
+        break;
+      }
+    }
+  }
+
+
+  function statement(noindent) {
+    var values;
+    var i = indent, r, s = scope, t = state.tokens.next;
+
+    if (t.id === ";") {
+      advance(";");
+      return;
+    }
+
+    // Is this a labelled statement?
+    var res = isReserved(t);
+
+    // We're being more tolerant here: if someone uses
+    // a FutureReservedWord as a label, we warn but proceed
+    // anyway.
+
+    if (res && t.meta && t.meta.isFutureReservedWord && peek().id === ":") {
+      warning("W024", t, t.id);
+      res = false;
+    }
+
+    // detect a destructuring assignment
+    if (_.has(["[", "{"], t.value)) {
+      if (lookupBlockType().isDestAssign) {
+        if (!state.option.inESNext()) {
+          warning("W104", state.tokens.curr, "destructuring expression");
+        }
+        values = destructuringExpression();
+        values.forEach(function (tok) {
+          isundef(funct, "W117", tok.token, tok.id);
+        });
+        advance("=");
+        destructuringExpressionMatch(values, expression(10, true));
+        advance(";");
+        return;
+      }
+    }
+    if (t.identifier && !res && peek().id === ":") {
+      advance();
+      advance(":");
+      scope = Object.create(s);
+      addlabel(t.value, { type: "label" });
+
+      if (!state.tokens.next.labelled && state.tokens.next.value !== "{") {
+        warning("W028", state.tokens.next, t.value, state.tokens.next.value);
+      }
+
+      state.tokens.next.label = t.value;
+      t = state.tokens.next;
+    }
+
+    // Is it a lonely block?
+
+    if (t.id === "{") {
+      // Is it a switch case block?
+      //
+      //  switch (foo) {
+      //    case bar: { <= here.
+      //      ...
+      //    }
+      //  }
+      var iscase = (funct["(verb)"] === "case" && state.tokens.curr.value === ":");
+      block(true, true, false, false, iscase);
+      return;
+    }
+
+    // Parse the statement.
+
+    if (!noindent) {
+      indentation();
+    }
+    r = expression(0, true);
+
+    if (r && (!r.identifier || r.value !== "function") && (r.type !== "(punctuator)")) {
+      if (!state.directive["use strict"] &&
+          state.option.globalstrict &&
+          state.option.strict) {
+        warning("E007");
+      }
+    }
+
+    // Look for the final semicolon.
+
+    if (!t.block) {
+      if (!state.option.expr && (!r || !r.exps)) {
+        warning("W030", state.tokens.curr);
+      } else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
+        warning("W031", t);
+      }
+
+      if (state.tokens.next.id !== ";") {
+        if (!state.option.asi) {
+          // If this is the last statement in a block that ends on
+          // the same line *and* option lastsemic is on, ignore the warning.
+          // Otherwise, complain about missing semicolon.
+          if (!state.option.lastsemic || state.tokens.next.id !== "}" ||
+            state.tokens.next.line !== state.tokens.curr.line) {
+            warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
+          }
+        }
+      } else {
+        adjacent(state.tokens.curr, state.tokens.next);
+        advance(";");
+        nonadjacent(state.tokens.curr, state.tokens.next);
+      }
+    }
+
+    // Restore the indentation.
+
+    indent = i;
+    scope = s;
+    return r;
+  }
+
+
+  function statements(startLine) {
+    var a = [], p;
+
+    while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
+      if (state.tokens.next.id === ";") {
+        p = peek();
+
+        if (!p || (p.id !== "(" && p.id !== "[")) {
+          warning("W032");
+        }
+
+        advance(";");
+      } else {
+        a.push(statement(startLine === state.tokens.next.line));
+      }
+    }
+    return a;
+  }
+
+
+  /*
+   * read all directives
+   * recognizes a simple form of asi, but always
+   * warns, if it is used
+   */
+  function directives() {
+    var i, p, pn;
+
+    for (;;) {
+      if (state.tokens.next.id === "(string)") {
+        p = peek(0);
+        if (p.id === "(endline)") {
+          i = 1;
+          do {
+            pn = peek(i);
+            i = i + 1;
+          } while (pn.id === "(endline)");
+
+          if (pn.id !== ";") {
+            if (pn.id !== "(string)" && pn.id !== "(number)" &&
+              pn.id !== "(regexp)" && pn.identifier !== true &&
+              pn.id !== "}") {
+              break;
+            }
+            warning("W033", state.tokens.next);
+          } else {
+            p = pn;
+          }
+        } else if (p.id === "}") {
+          // Directive with no other statements, warn about missing semicolon
+          warning("W033", p);
+        } else if (p.id !== ";") {
+          break;
+        }
+
+        indentation();
+        advance();
+        if (state.directive[state.tokens.curr.value]) {
+          warning("W034", state.tokens.curr, state.tokens.curr.value);
+        }
+
+        if (state.tokens.curr.value === "use strict") {
+          if (!state.option["(explicitNewcap)"])
+            state.option.newcap = true;
+          state.option.undef = true;
+        }
+
+        // there's no directive negation, so always set to true
+        state.directive[state.tokens.curr.value] = true;
+
+        if (p.id === ";") {
+          advance(";");
+        }
+        continue;
+      }
+      break;
+    }
+  }
+
+
+  /*
+   * Parses a single block. A block is a sequence of statements wrapped in
+   * braces.
+   *
+   * ordinary   - true for everything but function bodies and try blocks.
+   * stmt       - true if block can be a single statement (e.g. in if/for/while).
+   * isfunc     - true if block is a function body
+   * isfatarrow - true if its a body of a fat arrow function
+   * iscase      - true if block is a switch case block
+   */
+  function block(ordinary, stmt, isfunc, isfatarrow, iscase) {
+    var a,
+      b = inblock,
+      old_indent = indent,
+      m,
+      s = scope,
+      t,
+      line,
+      d;
+
+    inblock = ordinary;
+
+    if (!ordinary || !state.option.funcscope)
+      scope = Object.create(scope);
+
+    nonadjacent(state.tokens.curr, state.tokens.next);
+    t = state.tokens.next;
+
+    var metrics = funct["(metrics)"];
+    metrics.nestedBlockDepth += 1;
+    metrics.verifyMaxNestedBlockDepthPerFunction();
+
+    if (state.tokens.next.id === "{") {
+      advance("{");
+
+      // create a new block scope
+      funct["(blockscope)"].stack();
+
+      line = state.tokens.curr.line;
+      if (state.tokens.next.id !== "}") {
+        indent += state.option.indent;
+        while (!ordinary && state.tokens.next.from > indent) {
+          indent += state.option.indent;
+        }
+
+        if (isfunc) {
+          m = {};
+          for (d in state.directive) {
+            if (_.has(state.directive, d)) {
+              m[d] = state.directive[d];
+            }
+          }
+          directives();
+
+          if (state.option.strict && funct["(context)"]["(global)"]) {
+            if (!m["use strict"] && !state.directive["use strict"]) {
+              warning("E007");
+            }
+          }
+        }
+
+        a = statements(line);
+
+        metrics.statementCount += a.length;
+
+        if (isfunc) {
+          state.directive = m;
+        }
+
+        indent -= state.option.indent;
+        if (line !== state.tokens.next.line) {
+          indentation();
+        }
+      } else if (line !== state.tokens.next.line) {
+        indentation();
+      }
+      advance("}", t);
+
+      funct["(blockscope)"].unstack();
+
+      indent = old_indent;
+    } else if (!ordinary) {
+      if (isfunc) {
+        m = {};
+        if (stmt && !isfatarrow && !state.option.inMoz(true)) {
+          error("W118", state.tokens.curr, "function closure expressions");
+        }
+
+        if (!stmt) {
+          for (d in state.directive) {
+            if (_.has(state.directive, d)) {
+              m[d] = state.directive[d];
+            }
+          }
+        }
+        expression(10);
+
+        if (state.option.strict && funct["(context)"]["(global)"]) {
+          if (!m["use strict"] && !state.directive["use strict"]) {
+            warning("E007");
+          }
+        }
+      } else {
+        error("E021", state.tokens.next, "{", state.tokens.next.value);
+      }
+    } else {
+
+      // check to avoid let declaration not within a block
+      funct["(nolet)"] = true;
+
+      if (!stmt || state.option.curly) {
+        warning("W116", state.tokens.next, "{", state.tokens.next.value);
+      }
+
+      noreach = true;
+      indent += state.option.indent;
+      // test indentation only if statement is in new line
+      a = [statement(state.tokens.next.line === state.tokens.curr.line)];
+      indent -= state.option.indent;
+      noreach = false;
+
+      delete funct["(nolet)"];
+    }
+    // Don't clear and let it propagate out if it is "break", "return", or "throw" in switch case
+    if (!(iscase && ["break", "return", "throw"].indexOf(funct["(verb)"]) != -1)) {
+      funct["(verb)"] = null;
+    }
+
+    if (!ordinary || !state.option.funcscope) scope = s;
+    inblock = b;
+    if (ordinary && state.option.noempty && (!a || a.length === 0)) {
+      warning("W035");
+    }
+    metrics.nestedBlockDepth -= 1;
+    return a;
+  }
+
+
+  function countMember(m) {
+    if (membersOnly && typeof membersOnly[m] !== "boolean") {
+      warning("W036", state.tokens.curr, m);
+    }
+    if (typeof member[m] === "number") {
+      member[m] += 1;
+    } else {
+      member[m] = 1;
+    }
+  }
+
+
+  function note_implied(tkn) {
+    var name = tkn.value;
+    var desc = Object.getOwnPropertyDescriptor(implied, name);
+
+    if (!desc)
+      implied[name] = [tkn.line];
+    else
+      desc.value.push(tkn.line);
+  }
+
+
+  // Build the syntax table by declaring the syntactic elements of the language.
+
+  type("(number)", function () {
+    return this;
+  });
+
+  type("(string)", function () {
+    return this;
+  });
+
+  state.syntax["(identifier)"] = {
+    type: "(identifier)",
+    lbp: 0,
+    identifier: true,
+
+    nud: function () {
+      var v = this.value;
+      var s = scope[v];
+      var f;
+      var block;
+
+      if (typeof s === "function") {
+        // Protection against accidental inheritance.
+        s = undefined;
+      } else if (!funct["(blockscope)"].current.has(v) && typeof s === "boolean") {
+        f = funct;
+        funct = functions[0];
+        addlabel(v, { type: "var" });
+        s = funct;
+        funct = f;
+      }
+
+      block = funct["(blockscope)"].getlabel(v);
+
+      // The name is in scope and defined in the current function.
+      if (funct === s || block) {
+        // Change 'unused' to 'var', and reject labels.
+        // the name is in a block scope.
+        switch (block ? block[v]["(type)"] : funct[v]) {
+        case "unused":
+          if (block) block[v]["(type)"] = "var";
+          else funct[v] = "var";
+          break;
+        case "unction":
+          if (block) block[v]["(type)"] = "function";
+          else funct[v] = "function";
+          this["function"] = true;
+          break;
+        case "const":
+          setprop(funct, v, { unused: false });
+          break;
+        case "function":
+          this["function"] = true;
+          break;
+        case "label":
+          warning("W037", state.tokens.curr, v);
+          break;
+        }
+      } else if (funct["(global)"]) {
+        // The name is not defined in the function.  If we are in the global
+        // scope, then we have an undefined variable.
+        //
+        // Operators typeof and delete do not raise runtime errors even if
+        // the base object of a reference is null so no need to display warning
+        // if we're inside of typeof or delete.
+
+        if (typeof predefined[v] !== "boolean") {
+          // Attempting to subscript a null reference will throw an
+          // error, even within the typeof and delete operators
+          if (!(anonname === "typeof" || anonname === "delete") ||
+            (state.tokens.next && (state.tokens.next.value === "." ||
+              state.tokens.next.value === "["))) {
+
+            // if we're in a list comprehension, variables are declared
+            // locally and used before being defined. So we check
+            // the presence of the given variable in the comp array
+            // before declaring it undefined.
+
+            if (!funct["(comparray)"].check(v)) {
+              isundef(funct, "W117", state.tokens.curr, v);
+            }
+          }
+        }
+
+        note_implied(state.tokens.curr);
+      } else {
+        // If the name is already defined in the current
+        // function, but not as outer, then there is a scope error.
+
+        switch (funct[v]) {
+        case "closure":
+        case "function":
+        case "var":
+        case "unused":
+          warning("W038", state.tokens.curr, v);
+          break;
+        case "label":
+          warning("W037", state.tokens.curr, v);
+          break;
+        case "outer":
+        case "global":
+          break;
+        default:
+          // If the name is defined in an outer function, make an outer entry,
+          // and if it was unused, make it var.
+          if (s === true) {
+            funct[v] = true;
+          } else if (s === null) {
+            warning("W039", state.tokens.curr, v);
+            note_implied(state.tokens.curr);
+          } else if (typeof s !== "object") {
+            // Operators typeof and delete do not raise runtime errors even
+            // if the base object of a reference is null so no need to
+            //
+            // display warning if we're inside of typeof or delete.
+            // Attempting to subscript a null reference will throw an
+            // error, even within the typeof and delete operators
+            if (!(anonname === "typeof" || anonname === "delete") ||
+              (state.tokens.next &&
+                (state.tokens.next.value === "." || state.tokens.next.value === "["))) {
+
+              isundef(funct, "W117", state.tokens.curr, v);
+            }
+            funct[v] = true;
+            note_implied(state.tokens.curr);
+          } else {
+            switch (s[v]) {
+            case "function":
+            case "unction":
+              this["function"] = true;
+              s[v] = "closure";
+              funct[v] = s["(global)"] ? "global" : "outer";
+              break;
+            case "var":
+            case "unused":
+              s[v] = "closure";
+              funct[v] = s["(global)"] ? "global" : "outer";
+              break;
+            case "const":
+              setprop(s, v, { unused: false });
+              break;
+            case "closure":
+              funct[v] = s["(global)"] ? "global" : "outer";
+              break;
+            case "label":
+              warning("W037", state.tokens.curr, v);
+            }
+          }
+        }
+      }
+      return this;
+    },
+
+    led: function () {
+      error("E033", state.tokens.next, state.tokens.next.value);
+    }
+  };
+
+  type("(regexp)", function () {
+    return this;
+  });
+
+  // ECMAScript parser
+
+  delim("(endline)");
+  delim("(begin)");
+  delim("(end)").reach = true;
+  delim("(error)").reach = true;
+  delim("}").reach = true;
+  delim(")");
+  delim("]");
+  delim("\"").reach = true;
+  delim("'").reach = true;
+  delim(";");
+  delim(":").reach = true;
+  delim("#");
+
+  reserve("else");
+  reserve("case").reach = true;
+  reserve("catch");
+  reserve("default").reach = true;
+  reserve("finally");
+  reservevar("arguments", function (x) {
+    if (state.directive["use strict"] && funct["(global)"]) {
+      warning("E008", x);
+    }
+  });
+  reservevar("eval");
+  reservevar("false");
+  reservevar("Infinity");
+  reservevar("null");
+  reservevar("this", function (x) {
+    if (state.directive["use strict"] && !state.option.validthis && ((funct["(statement)"] &&
+        funct["(name)"].charAt(0) > "Z") || funct["(global)"])) {
+      warning("W040", x);
+    }
+  });
+  reservevar("true");
+  reservevar("undefined");
+
+  assignop("=", "assign", 20);
+  assignop("+=", "assignadd", 20);
+  assignop("-=", "assignsub", 20);
+  assignop("*=", "assignmult", 20);
+  assignop("/=", "assigndiv", 20).nud = function () {
+    error("E014");
+  };
+  assignop("%=", "assignmod", 20);
+
+  bitwiseassignop("&=", "assignbitand", 20);
+  bitwiseassignop("|=", "assignbitor", 20);
+  bitwiseassignop("^=", "assignbitxor", 20);
+  bitwiseassignop("<<=", "assignshiftleft", 20);
+  bitwiseassignop(">>=", "assignshiftright", 20);
+  bitwiseassignop(">>>=", "assignshiftrightunsigned", 20);
+  infix(",", function (left, that) {
+    var expr;
+    that.exprs = [left];
+    if (!comma({peek: true})) {
+      return that;
+    }
+    while (true) {
+      if (!(expr = expression(10)))  {
+        break;
+      }
+      that.exprs.push(expr);
+      if (state.tokens.next.value !== "," || !comma()) {
+        break;
+      }
+    }
+    return that;
+  }, 10, true);
+
+  infix("?", function (left, that) {
+    increaseComplexityCount();
+    that.left = left;
+    that.right = expression(10);
+    advance(":");
+    that["else"] = expression(10);
+    return that;
+  }, 30);
+
+  var orPrecendence = 40;
+  infix("||", function (left, that) {
+    increaseComplexityCount();
+    that.left = left;
+    that.right = expression(orPrecendence);
+    return that;
+  }, orPrecendence);
+  infix("&&", "and", 50);
+  bitwise("|", "bitor", 70);
+  bitwise("^", "bitxor", 80);
+  bitwise("&", "bitand", 90);
+  relation("==", function (left, right) {
+    var eqnull = state.option.eqnull && (left.value === "null" || right.value === "null");
+
+    switch (true) {
+      case !eqnull && state.option.eqeqeq:
+        this.from = this.character;
+        warning("W116", this, "===", "==");
+        break;
+      case isPoorRelation(left):
+        warning("W041", this, "===", left.value);
+        break;
+      case isPoorRelation(right):
+        warning("W041", this, "===", right.value);
+        break;
+      case isTypoTypeof(right, left):
+        warning("W122", this, right.value);
+        break;
+      case isTypoTypeof(left, right):
+        warning("W122", this, left.value);
+        break;
+    }
+
+    return this;
+  });
+  relation("===", function (left, right) {
+    if (isTypoTypeof(right, left)) {
+      warning("W122", this, right.value);
+    } else if (isTypoTypeof(left, right)) {
+      warning("W122", this, left.value);
+    }
+    return this;
+  });
+  relation("!=", function (left, right) {
+    var eqnull = state.option.eqnull &&
+        (left.value === "null" || right.value === "null");
+
+    if (!eqnull && state.option.eqeqeq) {
+      this.from = this.character;
+      warning("W116", this, "!==", "!=");
+    } else if (isPoorRelation(left)) {
+      warning("W041", this, "!==", left.value);
+    } else if (isPoorRelation(right)) {
+      warning("W041", this, "!==", right.value);
+    } else if (isTypoTypeof(right, left)) {
+      warning("W122", this, right.value);
+    } else if (isTypoTypeof(left, right)) {
+      warning("W122", this, left.value);
+    }
+    return this;
+  });
+  relation("!==", function (left, right) {
+    if (isTypoTypeof(right, left)) {
+      warning("W122", this, right.value);
+    } else if (isTypoTypeof(left, right)) {
+      warning("W122", this, left.value);
+    }
+    return this;
+  });
+  relation("<");
+  relation(">");
+  relation("<=");
+  relation(">=");
+  bitwise("<<", "shiftleft", 120);
+  bitwise(">>", "shiftright", 120);
+  bitwise(">>>", "shiftrightunsigned", 120);
+  infix("in", "in", 120);
+  infix("instanceof", "instanceof", 120);
+  infix("+", function (left, that) {
+    var right = expression(130);
+    if (left && right && left.id === "(string)" && right.id === "(string)") {
+      left.value += right.value;
+      left.character = right.character;
+      if (!state.option.scripturl && reg.javascriptURL.test(left.value)) {
+        warning("W050", left);
+      }
+      return left;
+    }
+    that.left = left;
+    that.right = right;
+    return that;
+  }, 130);
+  prefix("+", "num");
+  prefix("+++", function () {
+    warning("W007");
+    this.right = expression(150);
+    this.arity = "unary";
+    return this;
+  });
+  infix("+++", function (left) {
+    warning("W007");
+    this.left = left;
+    this.right = expression(130);
+    return this;
+  }, 130);
+  infix("-", "sub", 130);
+  prefix("-", "neg");
+  prefix("---", function () {
+    warning("W006");
+    this.right = expression(150);
+    this.arity = "unary";
+    return this;
+  });
+  infix("---", function (left) {
+    warning("W006");
+    this.left = left;
+    this.right = expression(130);
+    return this;
+  }, 130);
+  infix("*", "mult", 140);
+  infix("/", "div", 140);
+  infix("%", "mod", 140);
+
+  suffix("++", "postinc");
+  prefix("++", "preinc");
+  state.syntax["++"].exps = true;
+
+  suffix("--", "postdec");
+  prefix("--", "predec");
+  state.syntax["--"].exps = true;
+  prefix("delete", function () {
+    var p = expression(10);
+    if (!p || (p.id !== "." && p.id !== "[")) {
+      warning("W051");
+    }
+    this.first = p;
+    return this;
+  }).exps = true;
+
+  prefix("~", function () {
+    if (state.option.bitwise) {
+      warning("W052", this, "~");
+    }
+    expression(150);
+    return this;
+  });
+
+  prefix("...", function () {
+    if (!state.option.inESNext()) {
+      warning("W104", this, "spread/rest operator");
+    }
+    if (!state.tokens.next.identifier) {
+      error("E030", state.tokens.next, state.tokens.next.value);
+    }
+    expression(150);
+    return this;
+  });
+
+  prefix("!", function () {
+    this.right = expression(150);
+    this.arity = "unary";
+
+    if (!this.right) { // '!' followed by nothing? Give up.
+      quit("E041", this.line || 0);
+    }
+
+    if (bang[this.right.id] === true) {
+      warning("W018", this, "!");
+    }
+    return this;
+  });
+
+  prefix("typeof", "typeof");
+  prefix("new", function () {
+    var c = expression(155), i;
+    if (c && c.id !== "function") {
+      if (c.identifier) {
+        c["new"] = true;
+        switch (c.value) {
+        case "Number":
+        case "String":
+        case "Boolean":
+        case "Math":
+        case "JSON":
+          warning("W053", state.tokens.prev, c.value);
+          break;
+        case "Function":
+          if (!state.option.evil) {
+            warning("W054");
+          }
+          break;
+        case "Date":
+        case "RegExp":
+        case "this":
+          break;
+        default:
+          if (c.id !== "function") {
+            i = c.value.substr(0, 1);
+            if (state.option.newcap && (i < "A" || i > "Z") && !_.has(global, c.value)) {
+              warning("W055", state.tokens.curr);
+            }
+          }
+        }
+      } else {
+        if (c.id !== "." && c.id !== "[" && c.id !== "(") {
+          warning("W056", state.tokens.curr);
+        }
+      }
+    } else {
+      if (!state.option.supernew)
+        warning("W057", this);
+    }
+    adjacent(state.tokens.curr, state.tokens.next);
+    if (state.tokens.next.id !== "(" && !state.option.supernew) {
+      warning("W058", state.tokens.curr, state.tokens.curr.value);
+    }
+    this.first = c;
+    return this;
+  });
+  state.syntax["new"].exps = true;
+
+  prefix("void").exps = true;
+
+  infix(".", function (left, that) {
+    adjacent(state.tokens.prev, state.tokens.curr);
+    nobreak();
+    var m = identifier(false, true);
+
+    if (typeof m === "string") {
+      countMember(m);
+    }
+
+    that.left = left;
+    that.right = m;
+
+    if (m && m === "hasOwnProperty" && state.tokens.next.value === "=") {
+      warning("W001");
+    }
+
+    if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
+      if (state.option.noarg)
+        warning("W059", left, m);
+      else if (state.directive["use strict"])
+        error("E008");
+    } else if (!state.option.evil && left && left.value === "document" &&
+        (m === "write" || m === "writeln")) {
+      warning("W060", left);
+    }
+
+    if (!state.option.evil && (m === "eval" || m === "execScript")) {
+      warning("W061");
+    }
+
+    return that;
+  }, 160, true);
+
+  infix("(", function (left, that) {
+    if (state.tokens.prev.id !== "}" && state.tokens.prev.id !== ")") {
+      nobreak(state.tokens.prev, state.tokens.curr);
+    }
+
+    nospace();
+    if (state.option.immed && left && !left.immed && left.id === "function") {
+      warning("W062");
+    }
+
+    var n = 0;
+    var p = [];
+
+    if (left) {
+      if (left.type === "(identifier)") {
+        if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
+          if ("Number String Boolean Date Object".indexOf(left.value) === -1) {
+            if (left.value === "Math") {
+              warning("W063", left);
+            } else if (state.option.newcap) {
+              warning("W064", left);
+            }
+          }
+        }
+      }
+    }
+
+    if (state.tokens.next.id !== ")") {
+      for (;;) {
+        p[p.length] = expression(10);
+        n += 1;
+        if (state.tokens.next.id !== ",") {
+          break;
+        }
+        comma();
+      }
+    }
+
+    advance(")");
+    nospace(state.tokens.prev, state.tokens.curr);
+
+    if (typeof left === "object") {
+      if (state.option.inES3() && left.value === "parseInt" && n === 1) {
+        warning("W065", state.tokens.curr);
+      }
+      if (!state.option.evil) {
+        if (left.value === "eval" || left.value === "Function" ||
+            left.value === "execScript") {
+          warning("W061", left);
+
+          if (p[0] && [0].id === "(string)") {
+            addInternalSrc(left, p[0].value);
+          }
+        } else if (p[0] && p[0].id === "(string)" &&
+             (left.value === "setTimeout" ||
+            left.value === "setInterval")) {
+          warning("W066", left);
+          addInternalSrc(left, p[0].value);
+
+        // window.setTimeout/setInterval
+        } else if (p[0] && p[0].id === "(string)" &&
+             left.value === "." &&
+             left.left.value === "window" &&
+             (left.right === "setTimeout" ||
+            left.right === "setInterval")) {
+          warning("W066", left);
+          addInternalSrc(left, p[0].value);
+        }
+      }
+      if (!left.identifier && left.id !== "." && left.id !== "[" &&
+          left.id !== "(" && left.id !== "&&" && left.id !== "||" &&
+          left.id !== "?") {
+        warning("W067", left);
+      }
+    }
+
+    that.left = left;
+    return that;
+  }, 155, true).exps = true;
+
+  prefix("(", function () {
+    nospace();
+    var bracket, brackets = [];
+    var pn, pn1, i = 0;
+    var ret;
+    var parens = 1;
+
+    do {
+      pn = peek(i);
+
+      if (pn.value === "(") {
+        parens += 1;
+      } else if (pn.value === ")") {
+        parens -= 1;
+      }
+
+      i += 1;
+      pn1 = peek(i);
+      i += 1;
+    } while (!(parens === 0 && pn.value === ")") &&
+             pn1.value !== "=>" && pn1.value !== ";" && pn1.type !== "(end)");
+
+    if (state.tokens.next.id === "function") {
+      state.tokens.next.immed = true;
+    }
+
+    var exprs = [];
+
+    if (state.tokens.next.id !== ")") {
+      for (;;) {
+        if (pn1.value === "=>" && _.contains(["{", "["], state.tokens.next.value)) {
+          bracket = state.tokens.next;
+          bracket.left = destructuringExpression();
+          brackets.push(bracket);
+          for (var t in bracket.left) {
+            exprs.push(bracket.left[t].token);
+          }
+        } else {
+          exprs.push(expression(10));
+        }
+        if (state.tokens.next.id !== ",") {
+          break;
+        }
+        comma();
+      }
+    }
+
+    advance(")", this);
+    nospace(state.tokens.prev, state.tokens.curr);
+    if (state.option.immed && exprs[0] && exprs[0].id === "function") {
+      if (state.tokens.next.id !== "(" &&
+        (state.tokens.next.id !== "." || (peek().value !== "call" && peek().value !== "apply"))) {
+        warning("W068", this);
+      }
+    }
+
+    if (state.tokens.next.value === "=>") {
+      return exprs;
+    }
+    if (!exprs.length) {
+      return;
+    }
+    if (exprs.length > 1) {
+      ret = Object.create(state.syntax[","]);
+      ret.exprs = exprs;
+    } else {
+      ret = exprs[0];
+    }
+    if (ret) {
+      ret.paren = true;
+    }
+    return ret;
+  });
+
+  application("=>");
+
+  infix("[", function (left, that) {
+    nobreak(state.tokens.prev, state.tokens.curr);
+    nospace();
+    var e = expression(10), s;
+    if (e && e.type === "(string)") {
+      if (!state.option.evil && (e.value === "eval" || e.value === "execScript")) {
+        warning("W061", that);
+      }
+
+      countMember(e.value);
+      if (!state.option.sub && reg.identifier.test(e.value)) {
+        s = state.syntax[e.value];
+        if (!s || !isReserved(s)) {
+          warning("W069", state.tokens.prev, e.value);
+        }
+      }
+    }
+    advance("]", that);
+
+    if (e && e.value === "hasOwnProperty" && state.tokens.next.value === "=") {
+      warning("W001");
+    }
+
+    nospace(state.tokens.prev, state.tokens.curr);
+    that.left = left;
+    that.right = e;
+    return that;
+  }, 160, true);
+
+  function comprehensiveArrayExpression() {
+    var res = {};
+    res.exps = true;
+    funct["(comparray)"].stack();
+
+    // Handle reversed for expressions, used in spidermonkey
+    var reversed = false;
+    if (state.tokens.next.value !== "for") {
+      reversed = true;
+      if (!state.option.inMoz(true)) {
+        warning("W116", state.tokens.next, "for", state.tokens.next.value);
+      }
+      funct["(comparray)"].setState("use");
+      res.right = expression(10);
+    }
+
+    advance("for");
+    if (state.tokens.next.value === "each") {
+      advance("each");
+      if (!state.option.inMoz(true)) {
+        warning("W118", state.tokens.curr, "for each");
+      }
+    }
+    advance("(");
+    funct["(comparray)"].setState("define");
+    res.left = expression(130);
+    if (_.contains(["in", "of"], state.tokens.next.value)) {
+      advance();
+    } else {
+      error("E045", state.tokens.curr);
+    }
+    funct["(comparray)"].setState("generate");
+    expression(10);
+
+    advance(")");
+    if (state.tokens.next.value === "if") {
+      advance("if");
+      advance("(");
+      funct["(comparray)"].setState("filter");
+      res.filter = expression(10);
+      advance(")");
+    }
+
+    if (!reversed) {
+      funct["(comparray)"].setState("use");
+      res.right = expression(10);
+    }
+
+    advance("]");
+    funct["(comparray)"].unstack();
+    return res;
+  }
+
+  prefix("[", function () {
+    var blocktype = lookupBlockType(true);
+    if (blocktype.isCompArray) {
+      if (!state.option.inESNext()) {
+        warning("W119", state.tokens.curr, "array comprehension");
+      }
+      return comprehensiveArrayExpression();
+    } else if (blocktype.isDestAssign && !state.option.inESNext()) {
+      warning("W104", state.tokens.curr, "destructuring assignment");
+    }
+    var b = state.tokens.curr.line !== state.tokens.next.line;
+    this.first = [];
+    if (b) {
+      indent += state.option.indent;
+      if (state.tokens.next.from === indent + state.option.indent) {
+        indent += state.option.indent;
+      }
+    }
+    while (state.tokens.next.id !== "(end)") {
+      while (state.tokens.next.id === ",") {
+        if (!state.option.inES5())
+          warning("W070");
+        advance(",");
+      }
+      if (state.tokens.next.id === "]") {
+        break;
+      }
+      if (b && state.tokens.curr.line !== state.tokens.next.line) {
+        indentation();
+      }
+      this.first.push(expression(10));
+      if (state.tokens.next.id === ",") {
+        comma({ allowTrailing: true });
+        if (state.tokens.next.id === "]" && !state.option.inES5(true)) {
+          warning("W070", state.tokens.curr);
+          break;
+        }
+      } else {
+        break;
+      }
+    }
+    if (b) {
+      indent -= state.option.indent;
+      indentation();
+    }
+    advance("]", this);
+    return this;
+  }, 160);
+
+
+  function property_name() {
+    var id = optionalidentifier(false, true);
+
+    if (!id) {
+      if (state.tokens.next.id === "(string)") {
+        id = state.tokens.next.value;
+        advance();
+      } else if (state.tokens.next.id === "(number)") {
+        id = state.tokens.next.value.toString();
+        advance();
+      }
+    }
+
+    if (id === "hasOwnProperty") {
+      warning("W001");
+    }
+
+    return id;
+  }
+
+  function functionparams(parsed) {
+    var curr, next;
+    var params = [];
+    var ident;
+    var tokens = [];
+    var t;
+    var pastDefault = false;
+
+    if (parsed) {
+      if (Array.isArray(parsed)) {
+        for (var i in parsed) {
+          curr = parsed[i];
+          if (_.contains(["{", "["], curr.id)) {
+            for (t in curr.left) {
+              t = tokens[t];
+              if (t && t.id) {
+                params.push(t.id);
+                addlabel(t.id, { type: "unused", token: t.token });
+              }
+            }
+          } else if (curr.value === "...") {
+            if (!state.option.inESNext()) {
+              warning("W104", curr, "spread/rest operator");
+            }
+            continue;
+          } else if (curr.value !== ",") {
+            params.push(curr.value);
+            addlabel(curr.value, { type: "unused", token: curr });
+          }
+        }
+        return params;
+      } else {
+        if (parsed.identifier === true) {
+          addlabel(parsed.value, { type: "unused", token: parsed });
+          return [parsed];
+        }
+      }
+    }
+
+    next = state.tokens.next;
+
+    advance("(");
+    nospace();
+
+    if (state.tokens.next.id === ")") {
+      advance(")");
+      return;
+    }
+
+    for (;;) {
+      if (_.contains(["{", "["], state.tokens.next.id)) {
+        tokens = destructuringExpression();
+        for (t in tokens) {
+          t = tokens[t];
+          if (t.id) {
+            params.push(t.id);
+            addlabel(t.id, { type: "unused", token: t.token });
+          }
+        }
+      } else if (state.tokens.next.value === "...") {
+        if (!state.option.inESNext()) {
+          warning("W104", state.tokens.next, "spread/rest operator");
+        }
+        advance("...");
+        nospace();
+        ident = identifier(true);
+        params.push(ident);
+        addlabel(ident, { type: "unused", token: state.tokens.curr });
+      } else {
+        ident = identifier(true);
+        params.push(ident);
+        addlabel(ident, { type: "unused", token: state.tokens.curr });
+      }
+
+      // it is a syntax error to have a regular argument after a default argument
+      if (pastDefault) {
+        if (state.tokens.next.id !== "=") {
+          error("E051", state.tokens.current);
+        }
+      }
+      if (state.tokens.next.id === "=") {
+        if (!state.option.inESNext()) {
+          warning("W119", state.tokens.next, "default parameters");
+        }
+        advance("=");
+        pastDefault = true;
+        expression(10);
+      }
+      if (state.tokens.next.id === ",") {
+        comma();
+      } else {
+        advance(")", next);
+        nospace(state.tokens.prev, state.tokens.curr);
+        return params;
+      }
+    }
+  }
+
+  function setprop(funct, name, values) {
+    if (!funct["(properties)"][name]) {
+      funct["(properties)"][name] = { unused: false };
+    }
+
+    _.extend(funct["(properties)"][name], values);
+  }
+
+  function getprop(funct, name, prop) {
+    if (!funct["(properties)"][name])
+      return null;
+
+    return funct["(properties)"][name][prop] || null;
+  }
+
+  function functor(name, token, scope, overwrites) {
+    var funct = {
+      "(name)"      : name,
+      "(breakage)"  : 0,
+      "(loopage)"   : 0,
+      "(scope)"     : scope,
+      "(tokens)"    : {},
+      "(properties)": {},
+
+      "(catch)"     : false,
+      "(global)"    : false,
+
+      "(line)"      : null,
+      "(character)" : null,
+      "(metrics)"   : null,
+      "(statement)" : null,
+      "(context)"   : null,
+      "(blockscope)": null,
+      "(comparray)" : null,
+      "(generator)" : null,
+      "(params)"    : null
+    };
+
+    if (token) {
+      _.extend(funct, {
+        "(line)"     : token.line,
+        "(character)": token.character,
+        "(metrics)"  : createMetrics(token)
+      });
+    }
+
+    _.extend(funct, overwrites);
+
+    if (funct["(context)"]) {
+      funct["(blockscope)"] = funct["(context)"]["(blockscope)"];
+      funct["(comparray)"]  = funct["(context)"]["(comparray)"];
+    }
+
+    return funct;
+  }
+
+  function doFunction(name, statement, generator, fatarrowparams) {
+    var f;
+    var oldOption = state.option;
+    var oldIgnored = state.ignored;
+    var oldScope  = scope;
+
+    state.option = Object.create(state.option);
+    state.ignored = Object.create(state.ignored);
+    scope = Object.create(scope);
+
+    funct = functor(name || "\"" + anonname + "\"", state.tokens.next, scope, {
+      "(statement)": statement,
+      "(context)":   funct,
+      "(generator)": generator ? true : null
+    });
+
+    f = funct;
+    state.tokens.curr.funct = funct;
+
+    functions.push(funct);
+
+    if (name) {
+      addlabel(name, { type: "function" });
+    }
+
+    funct["(params)"] = functionparams(fatarrowparams);
+    funct["(metrics)"].verifyMaxParametersPerFunction(funct["(params)"]);
+
+    // So we parse fat-arrow functions after we encounter =>. So basically
+    // doFunction is called with the left side of => as its last argument.
+    // This means that the parser, at that point, had already added its
+    // arguments to the undefs array and here we undo that.
+
+    JSHINT.undefs = _.filter(JSHINT.undefs, function (item) {
+      return !_.contains(_.union(fatarrowparams), item[2]);
+    });
+
+    block(false, true, true, fatarrowparams ? true : false);
+
+    if (!state.option.noyield && generator && funct["(generator)"] !== "yielded") {
+      warning("W124", state.tokens.curr);
+    }
+
+    funct["(metrics)"].verifyMaxStatementsPerFunction();
+    funct["(metrics)"].verifyMaxComplexityPerFunction();
+    funct["(unusedOption)"] = state.option.unused;
+
+    scope = oldScope;
+    state.option = oldOption;
+    state.ignored = oldIgnored;
+    funct["(last)"] = state.tokens.curr.line;
+    funct["(lastcharacter)"] = state.tokens.curr.character;
+
+    _.map(Object.keys(funct), function (key) {
+      if (key[0] === "(") return;
+      funct["(blockscope)"].unshadow(key);
+    });
+
+    funct = funct["(context)"];
+
+    return f;
+  }
+
+  function createMetrics(functionStartToken) {
+    return {
+      statementCount: 0,
+      nestedBlockDepth: -1,
+      ComplexityCount: 1,
+
+      verifyMaxStatementsPerFunction: function () {
+        if (state.option.maxstatements &&
+          this.statementCount > state.option.maxstatements) {
+          warning("W071", functionStartToken, this.statementCount);
+        }
+      },
+
+      verifyMaxParametersPerFunction: function (params) {
+        params = params || [];
+
+        if (state.option.maxparams && params.length > state.option.maxparams) {
+          warning("W072", functionStartToken, params.length);
+        }
+      },
+
+      verifyMaxNestedBlockDepthPerFunction: function () {
+        if (state.option.maxdepth &&
+          this.nestedBlockDepth > 0 &&
+          this.nestedBlockDepth === state.option.maxdepth + 1) {
+          warning("W073", null, this.nestedBlockDepth);
+        }
+      },
+
+      verifyMaxComplexityPerFunction: function () {
+        var max = state.option.maxcomplexity;
+        var cc = this.ComplexityCount;
+        if (max && cc > max) {
+          warning("W074", functionStartToken, cc);
+        }
+      }
+    };
+  }
+
+  function increaseComplexityCount() {
+    funct["(metrics)"].ComplexityCount += 1;
+  }
+
+  // Parse assignments that were found instead of conditionals.
+  // For example: if (a = 1) { ... }
+
+  function checkCondAssignment(expr) {
+    var id, paren;
+    if (expr) {
+      id = expr.id;
+      paren = expr.paren;
+      if (id === "," && (expr = expr.exprs[expr.exprs.length - 1])) {
+        id = expr.id;
+        paren = paren || expr.paren;
+      }
+    }
+    switch (id) {
+    case "=":
+    case "+=":
+    case "-=":
+    case "*=":
+    case "%=":
+    case "&=":
+    case "|=":
+    case "^=":
+    case "/=":
+      if (!paren && !state.option.boss) {
+        warning("W084");
+      }
+    }
+  }
+
+
+  (function (x) {
+    x.nud = function (isclassdef) {
+      var b, f, i, p, t, g;
+      var props = {}; // All properties, including accessors
+      var tag = "";
+
+      function saveProperty(name, tkn) {
+        if (props[name] && _.has(props, name))
+          warning("W075", state.tokens.next, i);
+        else
+          props[name] = {};
+
+        props[name].basic = true;
+        props[name].basictkn = tkn;
+      }
+
+      function saveSetter(name, tkn) {
+        if (props[name] && _.has(props, name)) {
+          if (props[name].basic || props[name].setter)
+            warning("W075", state.tokens.next, i);
+        } else {
+          props[name] = {};
+        }
+
+        props[name].setter = true;
+        props[name].setterToken = tkn;
+      }
+
+      function saveGetter(name) {
+        if (props[name] && _.has(props, name)) {
+          if (props[name].basic || props[name].getter)
+            warning("W075", state.tokens.next, i);
+        } else {
+          props[name] = {};
+        }
+
+        props[name].getter = true;
+        props[name].getterToken = state.tokens.curr;
+      }
+
+      b = state.tokens.curr.line !== state.tokens.next.line;
+      if (b) {
+        indent += state.option.indent;
+        if (state.tokens.next.from === indent + state.option.indent) {
+          indent += state.option.indent;
+        }
+      }
+
+      for (;;) {
+        if (state.tokens.next.id === "}") {
+          break;
+        }
+
+        if (b) {
+          indentation();
+        }
+
+        if (isclassdef && state.tokens.next.value === "static") {
+          advance("static");
+          tag = "static ";
+        }
+
+        if (state.tokens.next.value === "get" && peek().id !== ":") {
+          advance("get");
+
+          if (!state.option.inES5(!isclassdef)) {
+            error("E034");
+          }
+
+          i = property_name();
+
+          // ES6 allows for get() {...} and set() {...} method
+          // definition shorthand syntax, so we don't produce an error
+          // if the esnext option is enabled.
+          if (!i && !state.option.inESNext()) {
+            error("E035");
+          }
+
+          // It is a Syntax Error if PropName of MethodDefinition is
+          // "constructor" and SpecialMethod of MethodDefinition is true.
+          if (isclassdef && i === "constructor") {
+            error("E049", state.tokens.next, "class getter method", i);
+          }
+
+          // We don't want to save this getter unless it's an actual getter
+          // and not an ES6 concise method
+          if (i) {
+            saveGetter(tag + i);
+          }
+
+          t = state.tokens.next;
+          adjacent(state.tokens.curr, state.tokens.next);
+          f = doFunction();
+          p = f["(params)"];
+
+          // Don't warn about getter/setter pairs if this is an ES6 concise method
+          if (i && p) {
+            warning("W076", t, p[0], i);
+          }
+
+          adjacent(state.tokens.curr, state.tokens.next);
+        } else if (state.tokens.next.value === "set" && peek().id !== ":") {
+          advance("set");
+
+          if (!state.option.inES5(!isclassdef)) {
+            error("E034");
+          }
+
+          i = property_name();
+
+          // ES6 allows for get() {...} and set() {...} method
+          // definition shorthand syntax, so we don't produce an error
+          // if the esnext option is enabled.
+          if (!i && !state.option.inESNext()) {
+            error("E035");
+          }
+
+          // It is a Syntax Error if PropName of MethodDefinition is
+          // "constructor" and SpecialMethod of MethodDefinition is true.
+          if (isclassdef && i === "constructor") {
+            error("E049", state.tokens.next, "class setter method", i);
+          }
+
+          // We don't want to save this getter unless it's an actual getter
+          // and not an ES6 concise method
+          if (i) {
+            saveSetter(tag + i, state.tokens.next);
+          }
+
+          t = state.tokens.next;
+          adjacent(state.tokens.curr, state.tokens.next);
+          f = doFunction();
+          p = f["(params)"];
+
+          // Don't warn about getter/setter pairs if this is an ES6 concise method
+          if (i && (!p || p.length !== 1)) {
+            warning("W077", t, i);
+          }
+        } else {
+          g = false;
+          if (state.tokens.next.value === "*" && state.tokens.next.type === "(punctuator)") {
+            if (!state.option.inESNext()) {
+              warning("W104", state.tokens.next, "generator functions");
+            }
+            advance("*");
+            g = true;
+          }
+          i = property_name();
+          saveProperty(tag + i, state.tokens.next);
+
+          if (typeof i !== "string") {
+            break;
+          }
+
+          if (state.tokens.next.value === "(") {
+            if (!state.option.inESNext()) {
+              warning("W104", state.tokens.curr, "concise methods");
+            }
+            doFunction(i, undefined, g);
+          } else if (!isclassdef) {
+            advance(":");
+            nonadjacent(state.tokens.curr, state.tokens.next);
+            expression(10);
+          }
+        }
+        // It is a Syntax Error if PropName of MethodDefinition is "prototype".
+        if (isclassdef && i === "prototype") {
+          error("E049", state.tokens.next, "class method", i);
+        }
+
+        countMember(i);
+        if (isclassdef) {
+          tag = "";
+          continue;
+        }
+        if (state.tokens.next.id === ",") {
+          comma({ allowTrailing: true, property: true });
+          if (state.tokens.next.id === ",") {
+            warning("W070", state.tokens.curr);
+          } else if (state.tokens.next.id === "}" && !state.option.inES5(true)) {
+            warning("W070", state.tokens.curr);
+          }
+        } else {
+          break;
+        }
+      }
+      if (b) {
+        indent -= state.option.indent;
+        indentation();
+      }
+      advance("}", this);
+
+      // Check for lonely setters if in the ES5 mode.
+      if (state.option.inES5()) {
+        for (var name in props) {
+          if (_.has(props, name) && props[name].setter && !props[name].getter) {
+            warning("W078", props[name].setterToken);
+          }
+        }
+      }
+      return this;
+    };
+    x.fud = function () {
+      error("E036", state.tokens.curr);
+    };
+  }(delim("{")));
+
+  function destructuringExpression() {
+    var id, ids;
+    var identifiers = [];
+    if (!state.option.inESNext()) {
+      warning("W104", state.tokens.curr, "destructuring expression");
+    }
+    var nextInnerDE = function () {
+      var ident;
+      if (_.contains(["[", "{"], state.tokens.next.value)) {
+        ids = destructuringExpression();
+        for (var id in ids) {
+          id = ids[id];
+          identifiers.push({ id: id.id, token: id.token });
+        }
+      } else if (state.tokens.next.value === ",") {
+        identifiers.push({ id: null, token: state.tokens.curr });
+      } else if (state.tokens.next.value === "(") {
+        advance("(");
+        nextInnerDE();
+        advance(")");
+      } else {
+        ident = identifier();
+        if (ident)
+          identifiers.push({ id: ident, token: state.tokens.curr });
+      }
+    };
+    if (state.tokens.next.value === "[") {
+      advance("[");
+      nextInnerDE();
+      while (state.tokens.next.value !== "]") {
+        advance(",");
+        nextInnerDE();
+      }
+      advance("]");
+    } else if (state.tokens.next.value === "{") {
+      advance("{");
+      id = identifier();
+      if (state.tokens.next.value === ":") {
+        advance(":");
+        nextInnerDE();
+      } else {
+        identifiers.push({ id: id, token: state.tokens.curr });
+      }
+      while (state.tokens.next.value !== "}") {
+        advance(",");
+        id = identifier();
+        if (state.tokens.next.value === ":") {
+          advance(":");
+          nextInnerDE();
+        } else {
+          identifiers.push({ id: id, token: state.tokens.curr });
+        }
+      }
+      advance("}");
+    }
+    return identifiers;
+  }
+
+  function destructuringExpressionMatch(tokens, value) {
+    var first = value.first;
+
+    if (!first)
+      return;
+
+    _.zip(tokens, Array.isArray(first) ? first : [ first ]).forEach(function (val) {
+      var token = val[0];
+      var value = val[1];
+
+      if (token && value)
+        token.first = value;
+      else if (token && token.first && !value)
+        warning("W080", token.first, token.first.value);
+    });
+  }
+
+  var conststatement = stmt("const", function (prefix) {
+    var tokens;
+    var value;
+    var lone; // State variable to know if it is a lone identifier, or a destructuring statement.
+
+    if (!state.option.inESNext())
+      warning("W104", state.tokens.curr, "const");
+
+    this.first = [];
+    for (;;) {
+      var names = [];
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      if (_.contains(["{", "["], state.tokens.next.value)) {
+        tokens = destructuringExpression();
+        lone = false;
+      } else {
+        tokens = [ { id: identifier(), token: state.tokens.curr } ];
+        lone = true;
+      }
+      for (var t in tokens) {
+        if (tokens.hasOwnProperty(t)) {
+          t = tokens[t];
+          if (funct[t.id] === "const") {
+            warning("E011", null, t.id);
+          }
+          if (funct["(global)"] && predefined[t.id] === false) {
+            warning("W079", t.token, t.id);
+          }
+          if (t.id) {
+            addlabel(t.id, { token: t.token, type: "const", unused: true });
+            names.push(t.token);
+          }
+        }
+      }
+      if (prefix) {
+        break;
+      }
+
+      this.first = this.first.concat(names);
+
+      if (state.tokens.next.id !== "=") {
+        warning("E012", state.tokens.curr, state.tokens.curr.value);
+      }
+
+      if (state.tokens.next.id === "=") {
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        advance("=");
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        if (state.tokens.next.id === "undefined") {
+          warning("W080", state.tokens.prev, state.tokens.prev.value);
+        }
+        if (peek(0).id === "=" && state.tokens.next.identifier) {
+          warning("W120", state.tokens.next, state.tokens.next.value);
+        }
+        value = expression(10);
+        if (lone) {
+          tokens[0].first = value;
+        } else {
+          destructuringExpressionMatch(names, value);
+        }
+      }
+
+      if (state.tokens.next.id !== ",") {
+        break;
+      }
+      comma();
+    }
+    return this;
+  });
+
+  conststatement.exps = true;
+  var varstatement = stmt("var", function (prefix) {
+    // JavaScript does not have block scope. It only has function scope. So,
+    // declaring a variable in a block can have unexpected consequences.
+    var tokens, lone, value;
+
+    if (funct["(onevar)"] && state.option.onevar) {
+      warning("W081");
+    } else if (!funct["(global)"]) {
+      funct["(onevar)"] = true;
+    }
+
+    this.first = [];
+    for (;;) {
+      var names = [];
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      if (_.contains(["{", "["], state.tokens.next.value)) {
+        tokens = destructuringExpression();
+        lone = false;
+      } else {
+        tokens = [ { id: identifier(), token: state.tokens.curr } ];
+        lone = true;
+      }
+      for (var t in tokens) {
+        if (tokens.hasOwnProperty(t)) {
+          t = tokens[t];
+          if (state.option.inESNext() && funct[t.id] === "const") {
+            warning("E011", null, t.id);
+          }
+          if (funct["(global)"] && predefined[t.id] === false) {
+            warning("W079", t.token, t.id);
+          }
+          if (t.id) {
+            addlabel(t.id, { type: "unused", token: t.token });
+            names.push(t.token);
+          }
+        }
+      }
+      if (prefix) {
+        break;
+      }
+
+      this.first = this.first.concat(names);
+
+      if (state.tokens.next.id === "=") {
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        advance("=");
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        if (state.tokens.next.id === "undefined") {
+          warning("W080", state.tokens.prev, state.tokens.prev.value);
+        }
+        if (peek(0).id === "=" && state.tokens.next.identifier) {
+          warning("W120", state.tokens.next, state.tokens.next.value);
+        }
+        value = expression(10);
+        if (lone) {
+          tokens[0].first = value;
+        } else {
+          destructuringExpressionMatch(names, value);
+        }
+      }
+
+      if (state.tokens.next.id !== ",") {
+        break;
+      }
+      comma();
+    }
+    return this;
+  });
+  varstatement.exps = true;
+
+  var letstatement = stmt("let", function (prefix) {
+    var tokens, lone, value, letblock;
+
+    if (!state.option.inESNext()) {
+      warning("W104", state.tokens.curr, "let");
+    }
+
+    if (state.tokens.next.value === "(") {
+      if (!state.option.inMoz(true)) {
+        warning("W118", state.tokens.next, "let block");
+      }
+      advance("(");
+      funct["(blockscope)"].stack();
+      letblock = true;
+    } else if (funct["(nolet)"]) {
+      error("E048", state.tokens.curr);
+    }
+
+    if (funct["(onevar)"] && state.option.onevar) {
+      warning("W081");
+    } else if (!funct["(global)"]) {
+      funct["(onevar)"] = true;
+    }
+
+    this.first = [];
+    for (;;) {
+      var names = [];
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      if (_.contains(["{", "["], state.tokens.next.value)) {
+        tokens = destructuringExpression();
+        lone = false;
+      } else {
+        tokens = [ { id: identifier(), token: state.tokens.curr.value } ];
+        lone = true;
+      }
+      for (var t in tokens) {
+        if (tokens.hasOwnProperty(t)) {
+          t = tokens[t];
+          if (state.option.inESNext() && funct[t.id] === "const") {
+            warning("E011", null, t.id);
+          }
+          if (funct["(global)"] && predefined[t.id] === false) {
+            warning("W079", t.token, t.id);
+          }
+          if (t.id && !funct["(nolet)"]) {
+            addlabel(t.id, { type: "unused", token: t.token, islet: true });
+            names.push(t.token);
+          }
+        }
+      }
+      if (prefix) {
+        break;
+      }
+
+      this.first = this.first.concat(names);
+
+      if (state.tokens.next.id === "=") {
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        advance("=");
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        if (state.tokens.next.id === "undefined") {
+          warning("W080", state.tokens.prev, state.tokens.prev.value);
+        }
+        if (peek(0).id === "=" && state.tokens.next.identifier) {
+          warning("W120", state.tokens.next, state.tokens.next.value);
+        }
+        value = expression(10);
+        if (lone) {
+          tokens[0].first = value;
+        } else {
+          destructuringExpressionMatch(names, value);
+        }
+      }
+
+      if (state.tokens.next.id !== ",") {
+        break;
+      }
+      comma();
+    }
+    if (letblock) {
+      advance(")");
+      block(true, true);
+      this.block = true;
+      funct["(blockscope)"].unstack();
+    }
+
+    return this;
+  });
+  letstatement.exps = true;
+
+  blockstmt("class", function () {
+    return classdef.call(this, true);
+  });
+
+  function classdef(stmt) {
+    /*jshint validthis:true */
+    if (!state.option.inESNext()) {
+      warning("W104", state.tokens.curr, "class");
+    }
+    if (stmt) {
+      // BindingIdentifier
+      this.name = identifier();
+      addlabel(this.name, { type: "unused", token: state.tokens.curr });
+    } else if (state.tokens.next.identifier && state.tokens.next.value !== "extends") {
+      // BindingIdentifier(opt)
+      this.name = identifier();
+    }
+    classtail(this);
+    return this;
+  }
+
+  function classtail(c) {
+    var strictness = state.directive["use strict"];
+
+    // ClassHeritage(opt)
+    if (state.tokens.next.value === "extends") {
+      advance("extends");
+      c.heritage = expression(10);
+    }
+
+    // A ClassBody is always strict code.
+    state.directive["use strict"] = true;
+    advance("{");
+    // ClassBody(opt)
+    c.body = state.syntax["{"].nud(true);
+    state.directive["use strict"] = strictness;
+  }
+
+  blockstmt("function", function () {
+    var generator = false;
+    if (state.tokens.next.value === "*") {
+      advance("*");
+      if (state.option.inESNext(true)) {
+        generator = true;
+      } else {
+        warning("W119", state.tokens.curr, "function*");
+      }
+    }
+    if (inblock) {
+      warning("W082", state.tokens.curr);
+
+    }
+    var i = identifier();
+    if (funct[i] === "const") {
+      warning("E011", null, i);
+    }
+    adjacent(state.tokens.curr, state.tokens.next);
+    addlabel(i, { type: "unction", token: state.tokens.curr });
+
+    doFunction(i, { statement: true }, generator);
+    if (state.tokens.next.id === "(" && state.tokens.next.line === state.tokens.curr.line) {
+      error("E039");
+    }
+    return this;
+  });
+
+  prefix("function", function () {
+    var generator = false;
+    if (state.tokens.next.value === "*") {
+      if (!state.option.inESNext()) {
+        warning("W119", state.tokens.curr, "function*");
+      }
+      advance("*");
+      generator = true;
+    }
+    var i = optionalidentifier();
+    if (i || state.option.gcl) {
+      adjacent(state.tokens.curr, state.tokens.next);
+    } else {
+      nonadjacent(state.tokens.curr, state.tokens.next);
+    }
+    doFunction(i, undefined, generator);
+    if (!state.option.loopfunc && funct["(loopage)"]) {
+      warning("W083");
+    }
+    return this;
+  });
+
+  blockstmt("if", function () {
+    var t = state.tokens.next;
+    increaseComplexityCount();
+    state.condition = true;
+    advance("(");
+    nonadjacent(this, t);
+    nospace();
+    checkCondAssignment(expression(0));
+    advance(")", t);
+    state.condition = false;
+    nospace(state.tokens.prev, state.tokens.curr);
+    block(true, true);
+    if (state.tokens.next.id === "else") {
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      advance("else");
+      if (state.tokens.next.id === "if" || state.tokens.next.id === "switch") {
+        statement(true);
+      } else {
+        block(true, true);
+      }
+    }
+    return this;
+  });
+
+  blockstmt("try", function () {
+    var b;
+
+    function doCatch() {
+      var oldScope = scope;
+      var e;
+
+      advance("catch");
+      nonadjacent(state.tokens.curr, state.tokens.next);
+      advance("(");
+
+      scope = Object.create(oldScope);
+
+      e = state.tokens.next.value;
+      if (state.tokens.next.type !== "(identifier)") {
+        e = null;
+        warning("E030", state.tokens.next, e);
+      }
+
+      advance();
+
+      funct = functor("(catch)", state.tokens.next, scope, {
+        "(context)"  : funct,
+        "(breakage)" : funct["(breakage)"],
+        "(loopage)"  : funct["(loopage)"],
+        "(statement)": false,
+        "(catch)"    : true
+      });
+
+      if (e) {
+        addlabel(e, { type: "exception" });
+      }
+
+      if (state.tokens.next.value === "if") {
+        if (!state.option.inMoz(true)) {
+          warning("W118", state.tokens.curr, "catch filter");
+        }
+        advance("if");
+        expression(0);
+      }
+
+      advance(")");
+
+      state.tokens.curr.funct = funct;
+      functions.push(funct);
+
+      block(false);
+
+      scope = oldScope;
+
+      funct["(last)"] = state.tokens.curr.line;
+      funct["(lastcharacter)"] = state.tokens.curr.character;
+      funct = funct["(context)"];
+    }
+
+    block(true);
+
+    while (state.tokens.next.id === "catch") {
+      increaseComplexityCount();
+      if (b && (!state.option.inMoz(true))) {
+        warning("W118", state.tokens.next, "multiple catch blocks");
+      }
+      doCatch();
+      b = true;
+    }
+
+    if (state.tokens.next.id === "finally") {
+      advance("finally");
+      block(true);
+      return;
+    }
+
+    if (!b) {
+      error("E021", state.tokens.next, "catch", state.tokens.next.value);
+    }
+
+    return this;
+  });
+
+  blockstmt("while", function () {
+    var t = state.tokens.next;
+    funct["(breakage)"] += 1;
+    funct["(loopage)"] += 1;
+    increaseComplexityCount();
+    advance("(");
+    nonadjacent(this, t);
+    nospace();
+    checkCondAssignment(expression(0));
+    advance(")", t);
+    nospace(state.tokens.prev, state.tokens.curr);
+    block(true, true);
+    funct["(breakage)"] -= 1;
+    funct["(loopage)"] -= 1;
+    return this;
+  }).labelled = true;
+
+  blockstmt("with", function () {
+    var t = state.tokens.next;
+    if (state.directive["use strict"]) {
+      error("E010", state.tokens.curr);
+    } else if (!state.option.withstmt) {
+      warning("W085", state.tokens.curr);
+    }
+
+    advance("(");
+    nonadjacent(this, t);
+    nospace();
+    expression(0);
+    advance(")", t);
+    nospace(state.tokens.prev, state.tokens.curr);
+    block(true, true);
+
+    return this;
+  });
+
+  blockstmt("switch", function () {
+    var t = state.tokens.next;
+    var g = false;
+    var noindent = false;
+
+    funct["(breakage)"] += 1;
+    advance("(");
+    nonadjacent(this, t);
+    nospace();
+    checkCondAssignment(expression(0));
+    advance(")", t);
+    nospace(state.tokens.prev, state.tokens.curr);
+    nonadjacent(state.tokens.curr, state.tokens.next);
+    t = state.tokens.next;
+    advance("{");
+    nonadjacent(state.tokens.curr, state.tokens.next);
+
+    if (state.tokens.next.from === indent)
+      noindent = true;
+
+    if (!noindent)
+      indent += state.option.indent;
+
+    this.cases = [];
+
+    for (;;) {
+      switch (state.tokens.next.id) {
+      case "case":
+        switch (funct["(verb)"]) {
+        case "yield":
+        case "break":
+        case "case":
+        case "continue":
+        case "return":
+        case "switch":
+        case "throw":
+          break;
+        default:
+          // You can tell JSHint that you don't use break intentionally by
+          // adding a comment /* falls through */ on a line just before
+          // the next `case`.
+          if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
+            warning("W086", state.tokens.curr, "case");
+          }
+        }
+        indentation();
+        advance("case");
+        this.cases.push(expression(20));
+        increaseComplexityCount();
+        g = true;
+        advance(":");
+        funct["(verb)"] = "case";
+        break;
+      case "default":
+        switch (funct["(verb)"]) {
+        case "yield":
+        case "break":
+        case "continue":
+        case "return":
+        case "throw":
+          break;
+        default:
+          // Do not display a warning if 'default' is the first statement or if
+          // there is a special /* falls through */ comment.
+          if (this.cases.length) {
+            if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
+              warning("W086", state.tokens.curr, "default");
+            }
+          }
+        }
+        indentation();
+        advance("default");
+        g = true;
+        advance(":");
+        break;
+      case "}":
+        if (!noindent)
+          indent -= state.option.indent;
+        indentation();
+        advance("}", t);
+        funct["(breakage)"] -= 1;
+        funct["(verb)"] = undefined;
+        return;
+      case "(end)":
+        error("E023", state.tokens.next, "}");
+        return;
+      default:
+        indent += state.option.indent;
+        if (g) {
+          switch (state.tokens.curr.id) {
+          case ",":
+            error("E040");
+            return;
+          case ":":
+            g = false;
+            statements();
+            break;
+          default:
+            error("E025", state.tokens.curr);
+            return;
+          }
+        } else {
+          if (state.tokens.curr.id === ":") {
+            advance(":");
+            error("E024", state.tokens.curr, ":");
+            statements();
+          } else {
+            error("E021", state.tokens.next, "case", state.tokens.next.value);
+            return;
+          }
+        }
+        indent -= state.option.indent;
+      }
+    }
+  }).labelled = true;
+
+  stmt("debugger", function () {
+    if (!state.option.debug) {
+      warning("W087", this);
+    }
+    return this;
+  }).exps = true;
+
+  (function () {
+    var x = stmt("do", function () {
+      funct["(breakage)"] += 1;
+      funct["(loopage)"] += 1;
+      increaseComplexityCount();
+
+      this.first = block(true, true);
+      advance("while");
+      var t = state.tokens.next;
+      nonadjacent(state.tokens.curr, t);
+      advance("(");
+      nospace();
+      checkCondAssignment(expression(0));
+      advance(")", t);
+      nospace(state.tokens.prev, state.tokens.curr);
+      funct["(breakage)"] -= 1;
+      funct["(loopage)"] -= 1;
+      return this;
+    });
+    x.labelled = true;
+    x.exps = true;
+  }());
+
+  blockstmt("for", function () {
+    var s, t = state.tokens.next;
+    var letscope = false;
+    var foreachtok = null;
+
+    if (t.value === "each") {
+      foreachtok = t;
+      advance("each");
+      if (!state.option.inMoz(true)) {
+        warning("W118", state.tokens.curr, "for each");
+      }
+    }
+
+    funct["(breakage)"] += 1;
+    funct["(loopage)"] += 1;
+    increaseComplexityCount();
+    advance("(");
+    nonadjacent(this, t);
+    nospace();
+
+    // what kind of for(…) statement it is? for(…of…)? for(…in…)? for(…;…;…)?
+    var nextop; // contains the token of the "in" or "of" operator
+    var i = 0;
+    var inof = ["in", "of"];
+    do {
+      nextop = peek(i);
+      ++i;
+    } while (!_.contains(inof, nextop.value) && nextop.value !== ";" &&
+          nextop.type !== "(end)");
+
+    // if we're in a for (… in|of …) statement
+    if (_.contains(inof, nextop.value)) {
+      if (!state.option.inESNext() && nextop.value === "of") {
+        error("W104", nextop, "for of");
+      }
+      if (state.tokens.next.id === "var") {
+        advance("var");
+        state.syntax["var"].fud.call(state.syntax["var"].fud, true);
+      } else if (state.tokens.next.id === "let") {
+        advance("let");
+        // create a new block scope
+        letscope = true;
+        funct["(blockscope)"].stack();
+        state.syntax["let"].fud.call(state.syntax["let"].fud, true);
+      } else {
+        switch (funct[state.tokens.next.value]) {
+        case "unused":
+          funct[state.tokens.next.value] = "var";
+          break;
+        case "var":
+          break;
+        default:
+          if (!funct["(blockscope)"].getlabel(state.tokens.next.value))
+            warning("W088", state.tokens.next, state.tokens.next.value);
+        }
+        advance();
+      }
+      advance(nextop.value);
+      expression(20);
+      advance(")", t);
+      s = block(true, true);
+      if (state.option.forin && s && (s.length > 1 || typeof s[0] !== "object" ||
+          s[0].value !== "if")) {
+        warning("W089", this);
+      }
+      funct["(breakage)"] -= 1;
+      funct["(loopage)"] -= 1;
+    } else {
+      if (foreachtok) {
+        error("E045", foreachtok);
+      }
+      if (state.tokens.next.id !== ";") {
+        if (state.tokens.next.id === "var") {
+          advance("var");
+          state.syntax["var"].fud.call(state.syntax["var"].fud);
+        } else if (state.tokens.next.id === "let") {
+          advance("let");
+          // create a new block scope
+          letscope = true;
+          funct["(blockscope)"].stack();
+          state.syntax["let"].fud.call(state.syntax["let"].fud);
+        } else {
+          for (;;) {
+            expression(0, "for");
+            if (state.tokens.next.id !== ",") {
+              break;
+            }
+            comma();
+          }
+        }
+      }
+      nolinebreak(state.tokens.curr);
+      advance(";");
+      if (state.tokens.next.id !== ";") {
+        checkCondAssignment(expression(0));
+      }
+      nolinebreak(state.tokens.curr);
+      advance(";");
+      if (state.tokens.next.id === ";") {
+        error("E021", state.tokens.next, ")", ";");
+      }
+      if (state.tokens.next.id !== ")") {
+        for (;;) {
+          expression(0, "for");
+          if (state.tokens.next.id !== ",") {
+            break;
+          }
+          comma();
+        }
+      }
+      advance(")", t);
+      nospace(state.tokens.prev, state.tokens.curr);
+      block(true, true);
+      funct["(breakage)"] -= 1;
+      funct["(loopage)"] -= 1;
+
+    }
+    // unstack loop blockscope
+    if (letscope) {
+      funct["(blockscope)"].unstack();
+    }
+    return this;
+  }).labelled = true;
+
+
+  stmt("break", function () {
+    var v = state.tokens.next.value;
+
+    if (funct["(breakage)"] === 0)
+      warning("W052", state.tokens.next, this.value);
+
+    if (!state.option.asi)
+      nolinebreak(this);
+
+    if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+      if (state.tokens.curr.line === state.tokens.next.line) {
+        if (funct[v] !== "label") {
+          warning("W090", state.tokens.next, v);
+        } else if (scope[v] !== funct) {
+          warning("W091", state.tokens.next, v);
+        }
+        this.first = state.tokens.next;
+        advance();
+      }
+    }
+    reachable("break");
+    return this;
+  }).exps = true;
+
+
+  stmt("continue", function () {
+    var v = state.tokens.next.value;
+
+    if (funct["(breakage)"] === 0)
+      warning("W052", state.tokens.next, this.value);
+
+    if (!state.option.asi)
+      nolinebreak(this);
+
+    if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+      if (state.tokens.curr.line === state.tokens.next.line) {
+        if (funct[v] !== "label") {
+          warning("W090", state.tokens.next, v);
+        } else if (scope[v] !== funct) {
+          warning("W091", state.tokens.next, v);
+        }
+        this.first = state.tokens.next;
+        advance();
+      }
+    } else if (!funct["(loopage)"]) {
+      warning("W052", state.tokens.next, this.value);
+    }
+    reachable("continue");
+    return this;
+  }).exps = true;
+
+
+  stmt("return", function () {
+    if (this.line === state.tokens.next.line) {
+      if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+        nonadjacent(state.tokens.curr, state.tokens.next);
+        this.first = expression(0);
+
+        if (this.first &&
+            this.first.type === "(punctuator)" && this.first.value === "=" &&
+            !this.first.paren && !state.option.boss) {
+          warningAt("W093", this.first.line, this.first.character);
+        }
+      }
+    } else {
+      if (state.tokens.next.type === "(punctuator)" &&
+        ["[", "{", "+", "-"].indexOf(state.tokens.next.value) > -1) {
+        nolinebreak(this); // always warn (Line breaking error)
+      }
+    }
+    reachable("return");
+    return this;
+  }).exps = true;
+
+  (function (x) {
+    x.exps = true;
+    x.lbp = 25;
+  }(prefix("yield", function () {
+    var prev = state.tokens.prev;
+    if (state.option.inESNext(true) && !funct["(generator)"]) {
+      error("E046", state.tokens.curr, "yield");
+    } else if (!state.option.inESNext()) {
+      warning("W104", state.tokens.curr, "yield");
+    }
+    funct["(generator)"] = "yielded";
+    if (this.line === state.tokens.next.line || !state.option.inMoz(true)) {
+      if (state.tokens.next.id !== ";" && !state.tokens.next.reach && state.tokens.next.nud) {
+        nobreaknonadjacent(state.tokens.curr, state.tokens.next);
+        this.first = expression(10);
+
+        if (this.first.type === "(punctuator)" && this.first.value === "=" &&
+            !this.first.paren && !state.option.boss) {
+          warningAt("W093", this.first.line, this.first.character);
+        }
+      }
+
+      if (state.option.inMoz(true) && state.tokens.next.id !== ")" &&
+          (prev.lbp > 30 || (!prev.assign && !isEndOfExpr()) || prev.id === "yield")) {
+        error("E050", this);
+      }
+    } else if (!state.option.asi) {
+      nolinebreak(this); // always warn (Line breaking error)
+    }
+    return this;
+  })));
+
+
+  stmt("throw", function () {
+    nolinebreak(this);
+    nonadjacent(state.tokens.curr, state.tokens.next);
+    this.first = expression(20);
+    reachable("throw");
+    return this;
+  }).exps = true;
+
+  stmt("import", function () {
+    if (!state.option.inESNext()) {
+      warning("W119", state.tokens.curr, "import");
+    }
+
+    if (state.tokens.next.identifier) {
+      this.name = identifier();
+      addlabel(this.name, { type: "unused", token: state.tokens.curr });
+    } else {
+      advance("{");
+      for (;;) {
+        var importName;
+        if (state.tokens.next.type === "default") {
+          importName = "default";
+          advance("default");
+        } else {
+          importName = identifier();
+        }
+        if (state.tokens.next.value === "as") {
+          advance("as");
+          importName = identifier();
+        }
+        addlabel(importName, { type: "unused", token: state.tokens.curr });
+
+        if (state.tokens.next.value === ",") {
+          advance(",");
+        } else if (state.tokens.next.value === "}") {
+          advance("}");
+          break;
+        } else {
+          error("E024", state.tokens.next, state.tokens.next.value);
+          break;
+        }
+      }
+    }
+
+    advance("from");
+    advance("(string)");
+    return this;
+  }).exps = true;
+
+  stmt("export", function () {
+    if (!state.option.inESNext()) {
+      warning("W119", state.tokens.curr, "export");
+    }
+
+    if (state.tokens.next.type === "default") {
+      advance("default");
+      if (state.tokens.next.id === "function" || state.tokens.next.id === "class") {
+        this.block = true;
+      }
+      this.exportee = expression(10);
+
+      return this;
+    }
+
+    if (state.tokens.next.value === "{") {
+      advance("{");
+      for (;;) {
+        identifier();
+
+        if (state.tokens.next.value === ",") {
+          advance(",");
+        } else if (state.tokens.next.value === "}") {
+          advance("}");
+          break;
+        } else {
+          error("E024", state.tokens.next, state.tokens.next.value);
+          break;
+        }
+      }
+      return this;
+    }
+
+    if (state.tokens.next.id === "var") {
+      advance("var");
+      state.syntax["var"].fud.call(state.syntax["var"].fud);
+    } else if (state.tokens.next.id === "let") {
+      advance("let");
+      state.syntax["let"].fud.call(state.syntax["let"].fud);
+    } else if (state.tokens.next.id === "const") {
+      advance("const");
+      state.syntax["const"].fud.call(state.syntax["const"].fud);
+    } else if (state.tokens.next.id === "function") {
+      this.block = true;
+      advance("function");
+      state.syntax["function"].fud();
+    } else if (state.tokens.next.id === "class") {
+      this.block = true;
+      advance("class");
+      state.syntax["class"].fud();
+    } else {
+      error("E024", state.tokens.next, state.tokens.next.value);
+    }
+
+    return this;
+  }).exps = true;
+
+  // Future Reserved Words
+
+  FutureReservedWord("abstract");
+  FutureReservedWord("boolean");
+  FutureReservedWord("byte");
+  FutureReservedWord("char");
+  FutureReservedWord("class", { es5: true, nud: classdef });
+  FutureReservedWord("double");
+  FutureReservedWord("enum", { es5: true });
+  FutureReservedWord("export", { es5: true });
+  FutureReservedWord("extends", { es5: true });
+  FutureReservedWord("final");
+  FutureReservedWord("float");
+  FutureReservedWord("goto");
+  FutureReservedWord("implements", { es5: true, strictOnly: true });
+  FutureReservedWord("import", { es5: true });
+  FutureReservedWord("int");
+  FutureReservedWord("interface", { es5: true, strictOnly: true });
+  FutureReservedWord("long");
+  FutureReservedWord("native");
+  FutureReservedWord("package", { es5: true, strictOnly: true });
+  FutureReservedWord("private", { es5: true, strictOnly: true });
+  FutureReservedWord("protected", { es5: true, strictOnly: true });
+  FutureReservedWord("public", { es5: true, strictOnly: true });
+  FutureReservedWord("short");
+  FutureReservedWord("static", { es5: true, strictOnly: true });
+  FutureReservedWord("super", { es5: true });
+  FutureReservedWord("synchronized");
+  FutureReservedWord("throws");
+  FutureReservedWord("transient");
+  FutureReservedWord("volatile");
+
+  // this function is used to determine wether a squarebracket or a curlybracket
+  // expression is a comprehension array, destructuring assignment or a json value.
+
+  var lookupBlockType = function () {
+    var pn, pn1;
+    var i = -1;
+    var bracketStack = 0;
+    var ret = {};
+    if (_.contains(["[", "{"], state.tokens.curr.value))
+      bracketStack += 1;
+    do {
+      pn = (i === -1) ? state.tokens.next : peek(i);
+      pn1 = peek(i + 1);
+      i = i + 1;
+      if (_.contains(["[", "{"], pn.value)) {
+        bracketStack += 1;
+      } else if (_.contains(["]", "}"], pn.value)) {
+        bracketStack -= 1;
+      }
+      if (pn.identifier && pn.value === "for" && bracketStack === 1) {
+        ret.isCompArray = true;
+        ret.notJson = true;
+        break;
+      }
+      if (_.contains(["}", "]"], pn.value) && pn1.value === "=" && bracketStack === 0) {
+        ret.isDestAssign = true;
+        ret.notJson = true;
+        break;
+      }
+      if (pn.value === ";") {
+        ret.isBlock = true;
+        ret.notJson = true;
+      }
+    } while (bracketStack > 0 && pn.id !== "(end)" && i < 15);
+    return ret;
+  };
+
+  // Check whether this function has been reached for a destructuring assign with undeclared values
+  function destructuringAssignOrJsonValue() {
+    // lookup for the assignment (esnext only)
+    // if it has semicolons, it is a block, so go parse it as a block
+    // or it's not a block, but there are assignments, check for undeclared variables
+
+    var block = lookupBlockType();
+    if (block.notJson) {
+      if (!state.option.inESNext() && block.isDestAssign) {
+        warning("W104", state.tokens.curr, "destructuring assignment");
+      }
+      statements();
+    // otherwise parse json value
+    } else {
+      state.option.laxbreak = true;
+      state.jsonMode = true;
+      jsonValue();
+    }
+  }
+
+  // array comprehension parsing function
+  // parses and defines the three states of the list comprehension in order
+  // to avoid defining global variables, but keeping them to the list comprehension scope
+  // only. The order of the states are as follows:
+  //  * "use" which will be the returned iterative part of the list comprehension
+  //  * "define" which will define the variables local to the list comprehension
+  //  * "filter" which will help filter out values
+
+  var arrayComprehension = function () {
+    var CompArray = function () {
+      this.mode = "use";
+      this.variables = [];
+    };
+    var _carrays = [];
+    var _current;
+    function declare(v) {
+      var l = _current.variables.filter(function (elt) {
+        // if it has, change its undef state
+        if (elt.value === v) {
+          elt.undef = false;
+          return v;
+        }
+      }).length;
+      return l !== 0;
+    }
+    function use(v) {
+      var l = _current.variables.filter(function (elt) {
+        // and if it has been defined
+        if (elt.value === v && !elt.undef) {
+          if (elt.unused === true) {
+            elt.unused = false;
+          }
+          return v;
+        }
+      }).length;
+      // otherwise we warn about it
+      return (l === 0);
+    }
+    return {stack: function () {
+          _current = new CompArray();
+          _carrays.push(_current);
+        },
+        unstack: function () {
+          _current.variables.filter(function (v) {
+            if (v.unused)
+              warning("W098", v.token, v.value);
+            if (v.undef)
+              isundef(v.funct, "W117", v.token, v.value);
+          });
+          _carrays.splice(-1, 1);
+          _current = _carrays[_carrays.length - 1];
+        },
+        setState: function (s) {
+          if (_.contains(["use", "define", "generate", "filter"], s))
+            _current.mode = s;
+        },
+        check: function (v) {
+          if (!_current) {
+            return;
+          }
+          // When we are in "use" state of the list comp, we enqueue that var
+          if (_current && _current.mode === "use") {
+            if (use(v)) {
+              _current.variables.push({
+                funct: funct,
+                token: state.tokens.curr,
+                value: v,
+                undef: true,
+                unused: false
+              });
+            }
+            return true;
+          // When we are in "define" state of the list comp,
+          } else if (_current && _current.mode === "define") {
+            // check if the variable has been used previously
+            if (!declare(v)) {
+              _current.variables.push({
+                funct: funct,
+                token: state.tokens.curr,
+                value: v,
+                undef: false,
+                unused: true
+              });
+            }
+            return true;
+          // When we are in the "generate" state of the list comp,
+          } else if (_current && _current.mode === "generate") {
+            isundef(funct, "W117", state.tokens.curr, v);
+            return true;
+          // When we are in "filter" state,
+          } else if (_current && _current.mode === "filter") {
+            // we check whether current variable has been declared
+            if (use(v)) {
+              // if not we warn about it
+              isundef(funct, "W117", state.tokens.curr, v);
+            }
+            return true;
+          }
+          return false;
+        }
+        };
+  };
+
+
+  // Parse JSON
+
+  function jsonValue() {
+
+    function jsonObject() {
+      var o = {}, t = state.tokens.next;
+      advance("{");
+      if (state.tokens.next.id !== "}") {
+        for (;;) {
+          if (state.tokens.next.id === "(end)") {
+            error("E026", state.tokens.next, t.line);
+          } else if (state.tokens.next.id === "}") {
+            warning("W094", state.tokens.curr);
+            break;
+          } else if (state.tokens.next.id === ",") {
+            error("E028", state.tokens.next);
+          } else if (state.tokens.next.id !== "(string)") {
+            warning("W095", state.tokens.next, state.tokens.next.value);
+          }
+          if (o[state.tokens.next.value] === true) {
+            warning("W075", state.tokens.next, state.tokens.next.value);
+          } else if ((state.tokens.next.value === "__proto__" &&
+            !state.option.proto) || (state.tokens.next.value === "__iterator__" &&
+            !state.option.iterator)) {
+            warning("W096", state.tokens.next, state.tokens.next.value);
+          } else {
+            o[state.tokens.next.value] = true;
+          }
+          advance();
+          advance(":");
+          jsonValue();
+          if (state.tokens.next.id !== ",") {
+            break;
+          }
+          advance(",");
+        }
+      }
+      advance("}");
+    }
+
+    function jsonArray() {
+      var t = state.tokens.next;
+      advance("[");
+      if (state.tokens.next.id !== "]") {
+        for (;;) {
+          if (state.tokens.next.id === "(end)") {
+            error("E027", state.tokens.next, t.line);
+          } else if (state.tokens.next.id === "]") {
+            warning("W094", state.tokens.curr);
+            break;
+          } else if (state.tokens.next.id === ",") {
+            error("E028", state.tokens.next);
+          }
+          jsonValue();
+          if (state.tokens.next.id !== ",") {
+            break;
+          }
+          advance(",");
+        }
+      }
+      advance("]");
+    }
+
+    switch (state.tokens.next.id) {
+    case "{":
+      jsonObject();
+      break;
+    case "[":
+      jsonArray();
+      break;
+    case "true":
+    case "false":
+    case "null":
+    case "(number)":
+    case "(string)":
+      advance();
+      break;
+    case "-":
+      advance("-");
+      if (state.tokens.curr.character !== state.tokens.next.from) {
+        warning("W011", state.tokens.curr);
+      }
+      adjacent(state.tokens.curr, state.tokens.next);
+      advance("(number)");
+      break;
+    default:
+      error("E003", state.tokens.next);
+    }
+  }
+
+  var blockScope = function () {
+    var _current = {};
+    var _variables = [_current];
+
+    function _checkBlockLabels() {
+      for (var t in _current) {
+        if (_current[t]["(type)"] === "unused") {
+          if (state.option.unused) {
+            var tkn = _current[t]["(token)"];
+            var line = tkn.line;
+            var chr  = tkn.character;
+            warningAt("W098", line, chr, t);
+          }
+        }
+      }
+    }
+
+    return {
+      stack: function () {
+        _current = {};
+        _variables.push(_current);
+      },
+
+      unstack: function () {
+        _checkBlockLabels();
+        _variables.splice(_variables.length - 1, 1);
+        _current = _.last(_variables);
+      },
+
+      getlabel: function (l) {
+        for (var i = _variables.length - 1 ; i >= 0; --i) {
+          if (_.has(_variables[i], l) && !_variables[i][l]["(shadowed)"]) {
+            return _variables[i];
+          }
+        }
+      },
+
+      shadow: function (name) {
+        for (var i = _variables.length - 1; i >= 0; i--) {
+          if (_.has(_variables[i], name)) {
+            _variables[i][name]["(shadowed)"] = true;
+          }
+        }
+      },
+
+      unshadow: function (name) {
+        for (var i = _variables.length - 1; i >= 0; i--) {
+          if (_.has(_variables[i], name)) {
+            _variables[i][name]["(shadowed)"] = false;
+          }
+        }
+      },
+
+      current: {
+        has: function (t) {
+          return _.has(_current, t);
+        },
+
+        add: function (t, type, tok) {
+          _current[t] = { "(type)" : type, "(token)": tok, "(shadowed)": false };
+        }
+      }
+    };
+  };
+
+  // The actual JSHINT function itself.
+  var itself = function (s, o, g) {
+    var i, k, x;
+    var optionKeys;
+    var newOptionObj = {};
+    var newIgnoredObj = {};
+
+    o = _.clone(o);
+    state.reset();
+
+    if (o && o.scope) {
+      JSHINT.scope = o.scope;
+    } else {
+      JSHINT.errors = [];
+      JSHINT.undefs = [];
+      JSHINT.internals = [];
+      JSHINT.blacklist = {};
+      JSHINT.scope = "(main)";
+    }
+
+    predefined = Object.create(null);
+    combine(predefined, vars.ecmaIdentifiers);
+    combine(predefined, vars.reservedVars);
+
+    combine(predefined, g || {});
+
+    declared = Object.create(null);
+    exported = Object.create(null);
+
+    function each(obj, cb) {
+      if (!obj)
+        return;
+
+      if (!Array.isArray(obj) && typeof obj === "object")
+        obj = Object.keys(obj);
+
+      obj.forEach(cb);
+    }
+
+    if (o) {
+      each(o.predef || null, function (item) {
+        var slice, prop;
+
+        if (item[0] === "-") {
+          slice = item.slice(1);
+          JSHINT.blacklist[slice] = slice;
+        } else {
+          prop = Object.getOwnPropertyDescriptor(o.predef, item);
+          predefined[item] = prop ? prop.value : false;
+        }
+      });
+
+      each(o.exported || null, function (item) {
+        exported[item] = true;
+      });
+
+      delete o.predef;
+      delete o.exported;
+
+      optionKeys = Object.keys(o);
+      for (x = 0; x < optionKeys.length; x++) {
+        if (/^-W\d{3}$/g.test(optionKeys[x])) {
+          newIgnoredObj[optionKeys[x].slice(1)] = true;
+        } else {
+          newOptionObj[optionKeys[x]] = o[optionKeys[x]];
+
+          if (optionKeys[x] === "newcap" && o[optionKeys[x]] === false)
+            newOptionObj["(explicitNewcap)"] = true;
+
+          if (optionKeys[x] === "indent")
+            newOptionObj["(explicitIndent)"] = o[optionKeys[x]] === false ? false : true;
+        }
+      }
+    }
+
+    state.option = newOptionObj;
+    state.ignored = newIgnoredObj;
+
+    state.option.indent = state.option.indent || 4;
+    state.option.maxerr = state.option.maxerr || 50;
+
+    indent = 1;
+    global = Object.create(predefined);
+    scope = global;
+
+    funct = functor("(global)", null, scope, {
+      "(global)"    : true,
+      "(blockscope)": blockScope(),
+      "(comparray)" : arrayComprehension(),
+      "(metrics)"   : createMetrics(state.tokens.next)
+    });
+
+    functions = [funct];
+    urls = [];
+    stack = null;
+    member = {};
+    membersOnly = null;
+    implied = {};
+    inblock = false;
+    lookahead = [];
+    warnings = 0;
+    unuseds = [];
+
+    if (!isString(s) && !Array.isArray(s)) {
+      errorAt("E004", 0);
+      return false;
+    }
+
+    api = {
+      get isJSON() {
+        return state.jsonMode;
+      },
+
+      getOption: function (name) {
+        return state.option[name] || null;
+      },
+
+      getCache: function (name) {
+        return state.cache[name];
+      },
+
+      setCache: function (name, value) {
+        state.cache[name] = value;
+      },
+
+      warn: function (code, data) {
+        warningAt.apply(null, [ code, data.line, data.char ].concat(data.data));
+      },
+
+      on: function (names, listener) {
+        names.split(" ").forEach(function (name) {
+          emitter.on(name, listener);
+        }.bind(this));
+      }
+    };
+
+    emitter.removeAllListeners();
+    (extraModules || []).forEach(function (func) {
+      func(api);
+    });
+
+    state.tokens.prev = state.tokens.curr = state.tokens.next = state.syntax["(begin)"];
+
+    lex = new Lexer(s);
+
+    lex.on("warning", function (ev) {
+      warningAt.apply(null, [ ev.code, ev.line, ev.character].concat(ev.data));
+    });
+
+    lex.on("error", function (ev) {
+      errorAt.apply(null, [ ev.code, ev.line, ev.character ].concat(ev.data));
+    });
+
+    lex.on("fatal", function (ev) {
+      quit("E041", ev.line, ev.from);
+    });
+
+    lex.on("Identifier", function (ev) {
+      emitter.emit("Identifier", ev);
+    });
+
+    lex.on("String", function (ev) {
+      emitter.emit("String", ev);
+    });
+
+    lex.on("Number", function (ev) {
+      emitter.emit("Number", ev);
+    });
+
+    lex.start();
+
+    // Check options
+    for (var name in o) {
+      if (_.has(o, name)) {
+        checkOption(name, state.tokens.curr);
+      }
+    }
+
+    assume();
+
+    // combine the passed globals after we've assumed all our options
+    combine(predefined, g || {});
+
+    //reset values
+    comma.first = true;
+
+    try {
+      advance();
+      switch (state.tokens.next.id) {
+      case "{":
+      case "[":
+        destructuringAssignOrJsonValue();
+        break;
+      default:
+        directives();
+
+        if (state.directive["use strict"]) {
+          if (!state.option.globalstrict && !(state.option.node || state.option.phantom)) {
+            warning("W097", state.tokens.prev);
+          }
+        }
+
+        statements();
+      }
+      advance((state.tokens.next && state.tokens.next.value !== ".")  ? "(end)" : undefined);
+      funct["(blockscope)"].unstack();
+
+      var markDefined = function (name, context) {
+        do {
+          if (typeof context[name] === "string") {
+            // JSHINT marks unused variables as 'unused' and
+            // unused function declaration as 'unction'. This
+            // code changes such instances back 'var' and
+            // 'closure' so that the code in JSHINT.data()
+            // doesn't think they're unused.
+
+            if (context[name] === "unused")
+              context[name] = "var";
+            else if (context[name] === "unction")
+              context[name] = "closure";
+
+            return true;
+          }
+
+          context = context["(context)"];
+        } while (context);
+
+        return false;
+      };
+
+      var clearImplied = function (name, line) {
+        if (!implied[name])
+          return;
+
+        var newImplied = [];
+        for (var i = 0; i < implied[name].length; i += 1) {
+          if (implied[name][i] !== line)
+            newImplied.push(implied[name][i]);
+        }
+
+        if (newImplied.length === 0)
+          delete implied[name];
+        else
+          implied[name] = newImplied;
+      };
+
+      var warnUnused = function (name, tkn, type, unused_opt) {
+        var line = tkn.line;
+        var chr  = tkn.character;
+
+        if (unused_opt === undefined) {
+          unused_opt = state.option.unused;
+        }
+
+        if (unused_opt === true) {
+          unused_opt = "last-param";
+        }
+
+        var warnable_types = {
+          "vars": ["var"],
+          "last-param": ["var", "param"],
+          "strict": ["var", "param", "last-param"]
+        };
+
+        if (unused_opt) {
+          if (warnable_types[unused_opt] && warnable_types[unused_opt].indexOf(type) !== -1) {
+            warningAt("W098", line, chr, name);
+          }
+        }
+
+        unuseds.push({
+          name: name,
+          line: line,
+          character: chr
+        });
+      };
+
+      var checkUnused = function (func, key) {
+        var type = func[key];
+        var tkn = func["(tokens)"][key];
+
+        if (key.charAt(0) === "(")
+          return;
+
+        if (type !== "unused" && type !== "unction" && type !== "const")
+          return;
+
+        // Params are checked separately from other variables.
+        if (func["(params)"] && func["(params)"].indexOf(key) !== -1)
+          return;
+
+        // Variable is in global scope and defined as exported.
+        if (func["(global)"] && _.has(exported, key))
+          return;
+
+        // Is this constant unused?
+        if (type === "const" && !getprop(func, key, "unused"))
+          return;
+
+        warnUnused(key, tkn, "var");
+      };
+
+      // Check queued 'x is not defined' instances to see if they're still undefined.
+      for (i = 0; i < JSHINT.undefs.length; i += 1) {
+        k = JSHINT.undefs[i].slice(0);
+
+        if (markDefined(k[2].value, k[0])) {
+          clearImplied(k[2].value, k[2].line);
+        } else if (state.option.undef) {
+          warning.apply(warning, k.slice(1));
+        }
+      }
+
+      functions.forEach(function (func) {
+        if (func["(unusedOption)"] === false) {
+          return;
+        }
+
+        for (var key in func) {
+          if (_.has(func, key)) {
+            checkUnused(func, key);
+          }
+        }
+
+        if (!func["(params)"])
+          return;
+
+        var params = func["(params)"].slice();
+        var param  = params.pop();
+        var type, unused_opt;
+
+        while (param) {
+          type = func[param];
+          unused_opt = func["(unusedOption)"] || state.option.unused;
+          unused_opt = unused_opt === true ? "last-param" : unused_opt;
+
+          // 'undefined' is a special case for (function (window, undefined) { ... })();
+          // patterns.
+
+          if (param === "undefined")
+            return;
+
+          if (type === "unused" || type === "unction") {
+            warnUnused(param, func["(tokens)"][param], "param", func["(unusedOption)"]);
+          } else if (unused_opt === "last-param") {
+            return;
+          }
+
+          param = params.pop();
+        }
+      });
+
+      for (var key in declared) {
+        if (_.has(declared, key) && !_.has(global, key) && !_.has(exported, key)) {
+          warnUnused(key, declared[key], "var");
+        }
+      }
+
+    } catch (err) {
+      if (err && err.name === "JSHintError") {
+        var nt = state.tokens.next || {};
+        JSHINT.errors.push({
+          scope     : "(main)",
+          raw       : err.raw,
+          code      : err.code,
+          reason    : err.message,
+          line      : err.line || nt.line,
+          character : err.character || nt.from
+        }, null);
+      } else {
+        throw err;
+      }
+    }
+
+    // Loop over the listed "internals", and check them as well.
+
+    if (JSHINT.scope === "(main)") {
+      o = o || {};
+
+      for (i = 0; i < JSHINT.internals.length; i += 1) {
+        k = JSHINT.internals[i];
+        o.scope = k.elem;
+        itself(k.value, o, g);
+      }
+    }
+
+    return JSHINT.errors.length === 0;
+  };
+
+  // Modules.
+  itself.addModule = function (func) {
+    extraModules.push(func);
+  };
+
+  itself.addModule(style.register);
+
+  // Data summary.
+  itself.data = function () {
+    var data = {
+      functions: [],
+      options: state.option
+    };
+
+    var implieds = [];
+    var members = [];
+    var fu, f, i, j, n, globals;
+
+    if (itself.errors.length) {
+      data.errors = itself.errors;
+    }
+
+    if (state.jsonMode) {
+      data.json = true;
+    }
+
+    for (n in implied) {
+      if (_.has(implied, n)) {
+        implieds.push({
+          name: n,
+          line: implied[n]
+        });
+      }
+    }
+
+    if (implieds.length > 0) {
+      data.implieds = implieds;
+    }
+
+    if (urls.length > 0) {
+      data.urls = urls;
+    }
+
+    globals = Object.keys(scope);
+    if (globals.length > 0) {
+      data.globals = globals;
+    }
+
+    for (i = 1; i < functions.length; i += 1) {
+      f = functions[i];
+      fu = {};
+
+      for (j = 0; j < functionicity.length; j += 1) {
+        fu[functionicity[j]] = [];
+      }
+
+      for (j = 0; j < functionicity.length; j += 1) {
+        if (fu[functionicity[j]].length === 0) {
+          delete fu[functionicity[j]];
+        }
+      }
+
+      fu.name = f["(name)"];
+      fu.param = f["(params)"];
+      fu.line = f["(line)"];
+      fu.character = f["(character)"];
+      fu.last = f["(last)"];
+      fu.lastcharacter = f["(lastcharacter)"];
+
+      fu.metrics = {
+        complexity: f["(metrics)"].ComplexityCount,
+        parameters: (f["(params)"] || []).length,
+        statements: f["(metrics)"].statementCount
+      };
+
+      data.functions.push(fu);
+    }
+
+    if (unuseds.length > 0) {
+      data.unused = unuseds;
+    }
+
+    members = [];
+    for (n in member) {
+      if (typeof member[n] === "number") {
+        data.member = member;
+        break;
+      }
+    }
+
+    return data;
+  };
+
+  itself.jshint = itself;
+
+  return itself;
+}());
+
+// Make JSHINT a Node module, if possible.
+if (typeof exports === "object" && exports) {
+  exports.JSHINT = JSHINT;
+}
+
+},{"./lex.js":14,"./messages.js":15,"./reg.js":16,"./state.js":17,"./style.js":18,"./vars.js":19,"console-browserify":10,"events":5,"underscore":11}],14:[function(require,module,exports){
+/*
+ * Lexical analysis and token construction.
+ */
+
+"use strict";
+
+var _      = require("underscore");
+var events = require("events");
+var reg    = require("./reg.js");
+var state  = require("./state.js").state;
+
+var unicodeData = require("../data/ascii-identifier-data.js");
+var asciiIdentifierStartTable = unicodeData.asciiIdentifierStartTable;
+var asciiIdentifierPartTable = unicodeData.asciiIdentifierPartTable;
+var nonAsciiIdentifierStartTable = require("../data/non-ascii-identifier-start.js");
+var nonAsciiIdentifierPartTable = require("../data/non-ascii-identifier-part-only.js");
+
+// Some of these token types are from JavaScript Parser API
+// while others are specific to JSHint parser.
+// JS Parser API: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
+
+var Token = {
+  Identifier: 1,
+  Punctuator: 2,
+  NumericLiteral: 3,
+  StringLiteral: 4,
+  Comment: 5,
+  Keyword: 6,
+  NullLiteral: 7,
+  BooleanLiteral: 8,
+  RegExp: 9
+};
+
+// Object that handles postponed lexing verifications that checks the parsed
+// environment state.
+
+function asyncTrigger() {
+  var _checks = [];
+
+  return {
+    push: function (fn) {
+      _checks.push(fn);
+    },
+
+    check: function () {
+      for (var check = 0; check < _checks.length; ++check) {
+        _checks[check]();
+      }
+
+      _checks.splice(0, _checks.length);
+    }
+  };
+}
+
+/*
+ * Lexer for JSHint.
+ *
+ * This object does a char-by-char scan of the provided source code
+ * and produces a sequence of tokens.
+ *
+ *   var lex = new Lexer("var i = 0;");
+ *   lex.start();
+ *   lex.token(); // returns the next token
+ *
+ * You have to use the token() method to move the lexer forward
+ * but you don't have to use its return value to get tokens. In addition
+ * to token() method returning the next token, the Lexer object also
+ * emits events.
+ *
+ *   lex.on("Identifier", function (data) {
+ *     if (data.name.indexOf("_") >= 0) {
+ *       // Produce a warning.
+ *     }
+ *   });
+ *
+ * Note that the token() method returns tokens in a JSLint-compatible
+ * format while the event emitter uses a slightly modified version of
+ * Mozilla's JavaScript Parser API. Eventually, we will move away from
+ * JSLint format.
+ */
+function Lexer(source) {
+  var lines = source;
+
+  if (typeof lines === "string") {
+    lines = lines
+      .replace(/\r\n/g, "\n")
+      .replace(/\r/g, "\n")
+      .split("\n");
+  }
+
+  // If the first line is a shebang (#!), make it a blank and move on.
+  // Shebangs are used by Node scripts.
+
+  if (lines[0] && lines[0].substr(0, 2) === "#!") {
+    if (lines[0].indexOf("node") !== -1) {
+      state.option.node = true;
+    }
+    lines[0] = "";
+  }
+
+  this.emitter = new events.EventEmitter();
+  this.source = source;
+  this.setLines(lines);
+  this.prereg = true;
+
+  this.line = 0;
+  this.char = 1;
+  this.from = 1;
+  this.input = "";
+  this.inComment = false;
+
+  for (var i = 0; i < state.option.indent; i += 1) {
+    state.tab += " ";
+  }
+}
+
+Lexer.prototype = {
+  _lines: [],
+
+  getLines: function () {
+    this._lines = state.lines;
+    return this._lines;
+  },
+
+  setLines: function (val) {
+    this._lines = val;
+    state.lines = this._lines;
+  },
+
+  /*
+   * Return the next i character without actually moving the
+   * char pointer.
+   */
+  peek: function (i) {
+    return this.input.charAt(i || 0);
+  },
+
+  /*
+   * Move the char pointer forward i times.
+   */
+  skip: function (i) {
+    i = i || 1;
+    this.char += i;
+    this.input = this.input.slice(i);
+  },
+
+  /*
+   * Subscribe to a token event. The API for this method is similar
+   * Underscore.js i.e. you can subscribe to multiple events with
+   * one call:
+   *
+   *   lex.on("Identifier Number", function (data) {
+   *     // ...
+   *   });
+   */
+  on: function (names, listener) {
+    names.split(" ").forEach(function (name) {
+      this.emitter.on(name, listener);
+    }.bind(this));
+  },
+
+  /*
+   * Trigger a token event. All arguments will be passed to each
+   * listener.
+   */
+  trigger: function () {
+    this.emitter.emit.apply(this.emitter, Array.prototype.slice.call(arguments));
+  },
+
+  /*
+   * Postpone a token event. the checking condition is set as
+   * last parameter, and the trigger function is called in a
+   * stored callback. To be later called using the check() function
+   * by the parser. This avoids parser's peek() to give the lexer
+   * a false context.
+   */
+  triggerAsync: function (type, args, checks, fn) {
+    checks.push(function () {
+      if (fn()) {
+        this.trigger(type, args);
+      }
+    }.bind(this));
+  },
+
+  /*
+   * Extract a punctuator out of the next sequence of characters
+   * or return 'null' if its not possible.
+   *
+   * This method's implementation was heavily influenced by the
+   * scanPunctuator function in the Esprima parser's source code.
+   */
+  scanPunctuator: function () {
+    var ch1 = this.peek();
+    var ch2, ch3, ch4;
+
+    switch (ch1) {
+    // Most common single-character punctuators
+    case ".":
+      if ((/^[0-9]$/).test(this.peek(1))) {
+        return null;
+      }
+      if (this.peek(1) === "." && this.peek(2) === ".") {
+        return {
+          type: Token.Punctuator,
+          value: "..."
+        };
+      }
+      /* falls through */
+    case "(":
+    case ")":
+    case ";":
+    case ",":
+    case "{":
+    case "}":
+    case "[":
+    case "]":
+    case ":":
+    case "~":
+    case "?":
+      return {
+        type: Token.Punctuator,
+        value: ch1
+      };
+
+    // A pound sign (for Node shebangs)
+    case "#":
+      return {
+        type: Token.Punctuator,
+        value: ch1
+      };
+
+    // We're at the end of input
+    case "":
+      return null;
+    }
+
+    // Peek more characters
+
+    ch2 = this.peek(1);
+    ch3 = this.peek(2);
+    ch4 = this.peek(3);
+
+    // 4-character punctuator: >>>=
+
+    if (ch1 === ">" && ch2 === ">" && ch3 === ">" && ch4 === "=") {
+      return {
+        type: Token.Punctuator,
+        value: ">>>="
+      };
+    }
+
+    // 3-character punctuators: === !== >>> <<= >>=
+
+    if (ch1 === "=" && ch2 === "=" && ch3 === "=") {
+      return {
+        type: Token.Punctuator,
+        value: "==="
+      };
+    }
+
+    if (ch1 === "!" && ch2 === "=" && ch3 === "=") {
+      return {
+        type: Token.Punctuator,
+        value: "!=="
+      };
+    }
+
+    if (ch1 === ">" && ch2 === ">" && ch3 === ">") {
+      return {
+        type: Token.Punctuator,
+        value: ">>>"
+      };
+    }
+
+    if (ch1 === "<" && ch2 === "<" && ch3 === "=") {
+      return {
+        type: Token.Punctuator,
+        value: "<<="
+      };
+    }
+
+    if (ch1 === ">" && ch2 === ">" && ch3 === "=") {
+      return {
+        type: Token.Punctuator,
+        value: ">>="
+      };
+    }
+
+    // Fat arrow punctuator
+    if (ch1 === "=" && ch2 === ">") {
+      return {
+        type: Token.Punctuator,
+        value: ch1 + ch2
+      };
+    }
+
+    // 2-character punctuators: <= >= == != ++ -- << >> && ||
+    // += -= *= %= &= |= ^= (but not /=, see below)
+    if (ch1 === ch2 && ("+-<>&|".indexOf(ch1) >= 0)) {
+      return {
+        type: Token.Punctuator,
+        value: ch1 + ch2
+      };
+    }
+
+    if ("<>=!+-*%&|^".indexOf(ch1) >= 0) {
+      if (ch2 === "=") {
+        return {
+          type: Token.Punctuator,
+          value: ch1 + ch2
+        };
+      }
+
+      return {
+        type: Token.Punctuator,
+        value: ch1
+      };
+    }
+
+    // Special case: /=. We need to make sure that this is an
+    // operator and not a regular expression.
+
+    if (ch1 === "/") {
+      if (ch2 === "=" && /\/=(?!(\S*\/[gim]?))/.test(this.input)) {
+        // /= is not a part of a regular expression, return it as a
+        // punctuator.
+        return {
+          type: Token.Punctuator,
+          value: "/="
+        };
+      }
+
+      return {
+        type: Token.Punctuator,
+        value: "/"
+      };
+    }
+
+    return null;
+  },
+
+  /*
+   * Extract a comment out of the next sequence of characters and/or
+   * lines or return 'null' if its not possible. Since comments can
+   * span across multiple lines this method has to move the char
+   * pointer.
+   *
+   * In addition to normal JavaScript comments (// and /*) this method
+   * also recognizes JSHint- and JSLint-specific comments such as
+   * /*jshint, /*jslint, /*globals and so on.
+   */
+  scanComments: function () {
+    var ch1 = this.peek();
+    var ch2 = this.peek(1);
+    var rest = this.input.substr(2);
+    var startLine = this.line;
+    var startChar = this.char;
+
+    // Create a comment token object and make sure it
+    // has all the data JSHint needs to work with special
+    // comments.
+
+    function commentToken(label, body, opt) {
+      var special = ["jshint", "jslint", "members", "member", "globals", "global", "exported"];
+      var isSpecial = false;
+      var value = label + body;
+      var commentType = "plain";
+      opt = opt || {};
+
+      if (opt.isMultiline) {
+        value += "*/";
+      }
+
+      special.forEach(function (str) {
+        if (isSpecial) {
+          return;
+        }
+
+        // Don't recognize any special comments other than jshint for single-line
+        // comments. This introduced many problems with legit comments.
+        if (label === "//" && str !== "jshint") {
+          return;
+        }
+
+        if (body.substr(0, str.length) === str) {
+          isSpecial = true;
+          label = label + str;
+          body = body.substr(str.length);
+        }
+
+        if (!isSpecial && body.charAt(0) === " " && body.substr(1, str.length) === str) {
+          isSpecial = true;
+          label = label + " " + str;
+          body = body.substr(str.length + 1);
+        }
+
+        if (!isSpecial) {
+          return;
+        }
+
+        switch (str) {
+        case "member":
+          commentType = "members";
+          break;
+        case "global":
+          commentType = "globals";
+          break;
+        default:
+          commentType = str;
+        }
+      });
+
+      return {
+        type: Token.Comment,
+        commentType: commentType,
+        value: value,
+        body: body,
+        isSpecial: isSpecial,
+        isMultiline: opt.isMultiline || false,
+        isMalformed: opt.isMalformed || false
+      };
+    }
+
+    // End of unbegun comment. Raise an error and skip that input.
+    if (ch1 === "*" && ch2 === "/") {
+      this.trigger("error", {
+        code: "E018",
+        line: startLine,
+        character: startChar
+      });
+
+      this.skip(2);
+      return null;
+    }
+
+    // Comments must start either with // or /*
+    if (ch1 !== "/" || (ch2 !== "*" && ch2 !== "/")) {
+      return null;
+    }
+
+    // One-line comment
+    if (ch2 === "/") {
+      this.skip(this.input.length); // Skip to the EOL.
+      return commentToken("//", rest);
+    }
+
+    var body = "";
+
+    /* Multi-line comment */
+    if (ch2 === "*") {
+      this.inComment = true;
+      this.skip(2);
+
+      while (this.peek() !== "*" || this.peek(1) !== "/") {
+        if (this.peek() === "") { // End of Line
+          body += "\n";
+
+          // If we hit EOF and our comment is still unclosed,
+          // trigger an error and end the comment implicitly.
+          if (!this.nextLine()) {
+            this.trigger("error", {
+              code: "E017",
+              line: startLine,
+              character: startChar
+            });
+
+            this.inComment = false;
+            return commentToken("/*", body, {
+              isMultiline: true,
+              isMalformed: true
+            });
+          }
+        } else {
+          body += this.peek();
+          this.skip();
+        }
+      }
+
+      this.skip(2);
+      this.inComment = false;
+      return commentToken("/*", body, { isMultiline: true });
+    }
+  },
+
+  /*
+   * Extract a keyword out of the next sequence of characters or
+   * return 'null' if its not possible.
+   */
+  scanKeyword: function () {
+    var result = /^[a-zA-Z_$][a-zA-Z0-9_$]*/.exec(this.input);
+    var keywords = [
+      "if", "in", "do", "var", "for", "new",
+      "try", "let", "this", "else", "case",
+      "void", "with", "enum", "while", "break",
+      "catch", "throw", "const", "yield", "class",
+      "super", "return", "typeof", "delete",
+      "switch", "export", "import", "default",
+      "finally", "extends", "function", "continue",
+      "debugger", "instanceof"
+    ];
+
+    if (result && keywords.indexOf(result[0]) >= 0) {
+      return {
+        type: Token.Keyword,
+        value: result[0]
+      };
+    }
+
+    return null;
+  },
+
+  /*
+   * Extract a JavaScript identifier out of the next sequence of
+   * characters or return 'null' if its not possible. In addition,
+   * to Identifier this method can also produce BooleanLiteral
+   * (true/false) and NullLiteral (null).
+   */
+  scanIdentifier: function () {
+    var id = "";
+    var index = 0;
+    var type, char;
+
+    function isNonAsciiIdentifierStart(code) {
+      return nonAsciiIdentifierStartTable.indexOf(code) > -1;
+    }
+
+    function isNonAsciiIdentifierPart(code) {
+      return isNonAsciiIdentifierStart(code) || nonAsciiIdentifierPartTable.indexOf(code) > -1;
+    }
+
+    function isHexDigit(str) {
+      return (/^[0-9a-fA-F]$/).test(str);
+    }
+
+    var readUnicodeEscapeSequence = function () {
+      /*jshint validthis:true */
+      index += 1;
+
+      if (this.peek(index) !== "u") {
+        return null;
+      }
+
+      var ch1 = this.peek(index + 1);
+      var ch2 = this.peek(index + 2);
+      var ch3 = this.peek(index + 3);
+      var ch4 = this.peek(index + 4);
+      var code;
+
+      if (isHexDigit(ch1) && isHexDigit(ch2) && isHexDigit(ch3) && isHexDigit(ch4)) {
+        code = parseInt(ch1 + ch2 + ch3 + ch4, 16);
+
+        if (asciiIdentifierPartTable[code] || isNonAsciiIdentifierPart(code)) {
+          index += 5;
+          return "\\u" + ch1 + ch2 + ch3 + ch4;
+        }
+
+        return null;
+      }
+
+      return null;
+    }.bind(this);
+
+    var getIdentifierStart = function () {
+      /*jshint validthis:true */
+      var chr = this.peek(index);
+      var code = chr.charCodeAt(0);
+
+      if (code === 92) {
+        return readUnicodeEscapeSequence();
+      }
+
+      if (code < 128) {
+        if (asciiIdentifierStartTable[code]) {
+          index += 1;
+          return chr;
+        }
+
+        return null;
+      }
+
+      if (isNonAsciiIdentifierStart(code)) {
+        index += 1;
+        return chr;
+      }
+
+      return null;
+    }.bind(this);
+
+    var getIdentifierPart = function () {
+      /*jshint validthis:true */
+      var chr = this.peek(index);
+      var code = chr.charCodeAt(0);
+
+      if (code === 92) {
+        return readUnicodeEscapeSequence();
+      }
+
+      if (code < 128) {
+        if (asciiIdentifierPartTable[code]) {
+          index += 1;
+          return chr;
+        }
+
+        return null;
+      }
+
+      if (isNonAsciiIdentifierPart(code)) {
+        index += 1;
+        return chr;
+      }
+
+      return null;
+    }.bind(this);
+
+    char = getIdentifierStart();
+    if (char === null) {
+      return null;
+    }
+
+    id = char;
+    for (;;) {
+      char = getIdentifierPart();
+
+      if (char === null) {
+        break;
+      }
+
+      id += char;
+    }
+
+    switch (id) {
+    case "true":
+    case "false":
+      type = Token.BooleanLiteral;
+      break;
+    case "null":
+      type = Token.NullLiteral;
+      break;
+    default:
+      type = Token.Identifier;
+    }
+
+    return {
+      type: type,
+      value: id
+    };
+  },
+
+  /*
+   * Extract a numeric literal out of the next sequence of
+   * characters or return 'null' if its not possible. This method
+   * supports all numeric literals described in section 7.8.3
+   * of the EcmaScript 5 specification.
+   *
+   * This method's implementation was heavily influenced by the
+   * scanNumericLiteral function in the Esprima parser's source code.
+   */
+  scanNumericLiteral: function () {
+    var index = 0;
+    var value = "";
+    var length = this.input.length;
+    var char = this.peek(index);
+    var bad;
+
+    function isDecimalDigit(str) {
+      return (/^[0-9]$/).test(str);
+    }
+
+    function isOctalDigit(str) {
+      return (/^[0-7]$/).test(str);
+    }
+
+    function isHexDigit(str) {
+      return (/^[0-9a-fA-F]$/).test(str);
+    }
+
+    function isIdentifierStart(ch) {
+      return (ch === "$") || (ch === "_") || (ch === "\\") ||
+        (ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z");
+    }
+
+    // Numbers must start either with a decimal digit or a point.
+
+    if (char !== "." && !isDecimalDigit(char)) {
+      return null;
+    }
+
+    if (char !== ".") {
+      value = this.peek(index);
+      index += 1;
+      char = this.peek(index);
+
+      if (value === "0") {
+        // Base-16 numbers.
+        if (char === "x" || char === "X") {
+          index += 1;
+          value += char;
+
+          while (index < length) {
+            char = this.peek(index);
+            if (!isHexDigit(char)) {
+              break;
+            }
+            value += char;
+            index += 1;
+          }
+
+          if (value.length <= 2) { // 0x
+            return {
+              type: Token.NumericLiteral,
+              value: value,
+              isMalformed: true
+            };
+          }
+
+          if (index < length) {
+            char = this.peek(index);
+            if (isIdentifierStart(char)) {
+              return null;
+            }
+          }
+
+          return {
+            type: Token.NumericLiteral,
+            value: value,
+            base: 16,
+            isMalformed: false
+          };
+        }
+
+        // Base-8 numbers.
+        if (isOctalDigit(char)) {
+          index += 1;
+          value += char;
+          bad = false;
+
+          while (index < length) {
+            char = this.peek(index);
+
+            // Numbers like '019' (note the 9) are not valid octals
+            // but we still parse them and mark as malformed.
+
+            if (isDecimalDigit(char)) {
+              bad = true;
+            } else if (!isOctalDigit(char)) {
+              break;
+            }
+            value += char;
+            index += 1;
+          }
+
+          if (index < length) {
+            char = this.peek(index);
+            if (isIdentifierStart(char)) {
+              return null;
+            }
+          }
+
+          return {
+            type: Token.NumericLiteral,
+            value: value,
+            base: 8,
+            isMalformed: false
+          };
+        }
+
+        // Decimal numbers that start with '0' such as '09' are illegal
+        // but we still parse them and return as malformed.
+
+        if (isDecimalDigit(char)) {
+          index += 1;
+          value += char;
+        }
+      }
+
+      while (index < length) {
+        char = this.peek(index);
+        if (!isDecimalDigit(char)) {
+          break;
+        }
+        value += char;
+        index += 1;
+      }
+    }
+
+    // Decimal digits.
+
+    if (char === ".") {
+      value += char;
+      index += 1;
+
+      while (index < length) {
+        char = this.peek(index);
+        if (!isDecimalDigit(char)) {
+          break;
+        }
+        value += char;
+        index += 1;
+      }
+    }
+
+    // Exponent part.
+
+    if (char === "e" || char === "E") {
+      value += char;
+      index += 1;
+      char = this.peek(index);
+
+      if (char === "+" || char === "-") {
+        value += this.peek(index);
+        index += 1;
+      }
+
+      char = this.peek(index);
+      if (isDecimalDigit(char)) {
+        value += char;
+        index += 1;
+
+        while (index < length) {
+          char = this.peek(index);
+          if (!isDecimalDigit(char)) {
+            break;
+          }
+          value += char;
+          index += 1;
+        }
+      } else {
+        return null;
+      }
+    }
+
+    if (index < length) {
+      char = this.peek(index);
+      if (isIdentifierStart(char)) {
+        return null;
+      }
+    }
+
+    return {
+      type: Token.NumericLiteral,
+      value: value,
+      base: 10,
+      isMalformed: !isFinite(value)
+    };
+  },
+
+  /*
+   * Extract a string out of the next sequence of characters and/or
+   * lines or return 'null' if its not possible. Since strings can
+   * span across multiple lines this method has to move the char
+   * pointer.
+   *
+   * This method recognizes pseudo-multiline JavaScript strings:
+   *
+   *   var str = "hello\
+   *   world";
+   */
+  scanStringLiteral: function (checks) {
+    /*jshint loopfunc:true */
+    var quote = this.peek();
+
+    // String must start with a quote.
+    if (quote !== "\"" && quote !== "'") {
+      return null;
+    }
+
+    // In JSON strings must always use double quotes.
+    this.triggerAsync("warning", {
+      code: "W108",
+      line: this.line,
+      character: this.char // +1?
+    }, checks, function () { return state.jsonMode && quote !== "\""; });
+
+    var value = "";
+    var startLine = this.line;
+    var startChar = this.char;
+    var allowNewLine = false;
+
+    this.skip();
+
+    while (this.peek() !== quote) {
+      while (this.peek() === "") { // End Of Line
+
+        // If an EOL is not preceded by a backslash, show a warning
+        // and proceed like it was a legit multi-line string where
+        // author simply forgot to escape the newline symbol.
+        //
+        // Another approach is to implicitly close a string on EOL
+        // but it generates too many false positives.
+
+        if (!allowNewLine) {
+          this.trigger("warning", {
+            code: "W112",
+            line: this.line,
+            character: this.char
+          });
+        } else {
+          allowNewLine = false;
+
+          // Otherwise show a warning if multistr option was not set.
+          // For JSON, show warning no matter what.
+
+          this.triggerAsync("warning", {
+            code: "W043",
+            line: this.line,
+            character: this.char
+          }, checks, function () { return !state.option.multistr; });
+
+          this.triggerAsync("warning", {
+            code: "W042",
+            line: this.line,
+            character: this.char
+          }, checks, function () { return state.jsonMode && state.option.multistr; });
+        }
+
+        // If we get an EOF inside of an unclosed string, show an
+        // error and implicitly close it at the EOF point.
+
+        if (!this.nextLine()) {
+          this.trigger("error", {
+            code: "E029",
+            line: startLine,
+            character: startChar
+          });
+
+          return {
+            type: Token.StringLiteral,
+            value: value,
+            isUnclosed: true,
+            quote: quote
+          };
+        }
+      }
+
+      allowNewLine = false;
+      var char = this.peek();
+      var jump = 1; // A length of a jump, after we're done
+                    // parsing this character.
+
+      if (char < " ") {
+        // Warn about a control character in a string.
+        this.trigger("warning", {
+          code: "W113",
+          line: this.line,
+          character: this.char,
+          data: [ "<non-printable>" ]
+        });
+      }
+
+      // Special treatment for some escaped characters.
+
+      if (char === "\\") {
+        this.skip();
+        char = this.peek();
+
+        switch (char) {
+        case "'":
+          this.triggerAsync("warning", {
+            code: "W114",
+            line: this.line,
+            character: this.char,
+            data: [ "\\'" ]
+          }, checks, function () {return state.jsonMode; });
+          break;
+        case "b":
+          char = "\\b";
+          break;
+        case "f":
+          char = "\\f";
+          break;
+        case "n":
+          char = "\\n";
+          break;
+        case "r":
+          char = "\\r";
+          break;
+        case "t":
+          char = "\\t";
+          break;
+        case "0":
+          char = "\\0";
+
+          // Octal literals fail in strict mode.
+          // Check if the number is between 00 and 07.
+          var n = parseInt(this.peek(1), 10);
+          this.triggerAsync("warning", {
+            code: "W115",
+            line: this.line,
+            character: this.char
+          }, checks,
+          function () { return n >= 0 && n <= 7 && state.directive["use strict"]; });
+          break;
+        case "u":
+          char = String.fromCharCode(parseInt(this.input.substr(1, 4), 16));
+          jump = 5;
+          break;
+        case "v":
+          this.triggerAsync("warning", {
+            code: "W114",
+            line: this.line,
+            character: this.char,
+            data: [ "\\v" ]
+          }, checks, function () { return state.jsonMode; });
+
+          char = "\v";
+          break;
+        case "x":
+          var  x = parseInt(this.input.substr(1, 2), 16);
+
+          this.triggerAsync("warning", {
+            code: "W114",
+            line: this.line,
+            character: this.char,
+            data: [ "\\x-" ]
+          }, checks, function () { return state.jsonMode; });
+
+          char = String.fromCharCode(x);
+          jump = 3;
+          break;
+        case "\\":
+          char = "\\\\";
+          break;
+        case "\"":
+          char = "\\\"";
+          break;
+        case "/":
+          break;
+        case "":
+          allowNewLine = true;
+          char = "";
+          break;
+        case "!":
+          if (value.slice(value.length - 2) === "<") {
+            break;
+          }
+
+          /*falls through */
+        default:
+          // Weird escaping.
+          this.trigger("warning", {
+            code: "W044",
+            line: this.line,
+            character: this.char
+          });
+        }
+      }
+
+      value += char;
+      this.skip(jump);
+    }
+
+    this.skip();
+    return {
+      type: Token.StringLiteral,
+      value: value,
+      isUnclosed: false,
+      quote: quote
+    };
+  },
+
+  /*
+   * Extract a regular expression out of the next sequence of
+   * characters and/or lines or return 'null' if its not possible.
+   *
+   * This method is platform dependent: it accepts almost any
+   * regular expression values but then tries to compile and run
+   * them using system's RegExp object. This means that there are
+   * rare edge cases where one JavaScript engine complains about
+   * your regular expression while others don't.
+   */
+  scanRegExp: function () {
+    var index = 0;
+    var length = this.input.length;
+    var char = this.peek();
+    var value = char;
+    var body = "";
+    var flags = [];
+    var malformed = false;
+    var isCharSet = false;
+    var terminated;
+
+    var scanUnexpectedChars = function () {
+      // Unexpected control character
+      if (char < " ") {
+        malformed = true;
+        this.trigger("warning", {
+          code: "W048",
+          line: this.line,
+          character: this.char
+        });
+      }
+
+      // Unexpected escaped character
+      if (char === "<") {
+        malformed = true;
+        this.trigger("warning", {
+          code: "W049",
+          line: this.line,
+          character: this.char,
+          data: [ char ]
+        });
+      }
+    }.bind(this);
+
+    // Regular expressions must start with '/'
+    if (!this.prereg || char !== "/") {
+      return null;
+    }
+
+    index += 1;
+    terminated = false;
+
+    // Try to get everything in between slashes. A couple of
+    // cases aside (see scanUnexpectedChars) we don't really
+    // care whether the resulting expression is valid or not.
+    // We will check that later using the RegExp object.
+
+    while (index < length) {
+      char = this.peek(index);
+      value += char;
+      body += char;
+
+      if (isCharSet) {
+        if (char === "]") {
+          if (this.peek(index - 1) !== "\\" || this.peek(index - 2) === "\\") {
+            isCharSet = false;
+          }
+        }
+
+        if (char === "\\") {
+          index += 1;
+          char = this.peek(index);
+          body += char;
+          value += char;
+
+          scanUnexpectedChars();
+        }
+
+        index += 1;
+        continue;
+      }
+
+      if (char === "\\") {
+        index += 1;
+        char = this.peek(index);
+        body += char;
+        value += char;
+
+        scanUnexpectedChars();
+
+        if (char === "/") {
+          index += 1;
+          continue;
+        }
+
+        if (char === "[") {
+          index += 1;
+          continue;
+        }
+      }
+
+      if (char === "[") {
+        isCharSet = true;
+        index += 1;
+        continue;
+      }
+
+      if (char === "/") {
+        body = body.substr(0, body.length - 1);
+        terminated = true;
+        index += 1;
+        break;
+      }
+
+      index += 1;
+    }
+
+    // A regular expression that was never closed is an
+    // error from which we cannot recover.
+
+    if (!terminated) {
+      this.trigger("error", {
+        code: "E015",
+        line: this.line,
+        character: this.from
+      });
+
+      return void this.trigger("fatal", {
+        line: this.line,
+        from: this.from
+      });
+    }
+
+    // Parse flags (if any).
+
+    while (index < length) {
+      char = this.peek(index);
+      if (!/[gim]/.test(char)) {
+        break;
+      }
+      flags.push(char);
+      value += char;
+      index += 1;
+    }
+
+    // Check regular expression for correctness.
+
+    try {
+      new RegExp(body, flags.join(""));
+    } catch (err) {
+      malformed = true;
+      this.trigger("error", {
+        code: "E016",
+        line: this.line,
+        character: this.char,
+        data: [ err.message ] // Platform dependent!
+      });
+    }
+
+    return {
+      type: Token.RegExp,
+      value: value,
+      flags: flags,
+      isMalformed: malformed
+    };
+  },
+
+  /*
+   * Scan for any occurence of mixed tabs and spaces. If smarttabs option
+   * is on, ignore tabs followed by spaces.
+   *
+   * Tabs followed by one space followed by a block comment are allowed.
+   */
+  scanMixedSpacesAndTabs: function () {
+    var at, match;
+
+    if (state.option.smarttabs) {
+      // Negative look-behind for "//"
+      match = this.input.match(/(\/\/|^\s?\*)? \t/);
+      at = match && !match[1] ? 0 : -1;
+    } else {
+      at = this.input.search(/ \t|\t [^\*]/);
+    }
+
+    return at;
+  },
+
+  /*
+   * Scan for any occurence of non-breaking spaces. Non-breaking spaces
+   * can be mistakenly typed on OS X with option-space. Non UTF-8 web
+   * pages with non-breaking pages produce syntax errors.
+   */
+  scanNonBreakingSpaces: function () {
+    return state.option.nonbsp ?
+      this.input.search(/(\u00A0)/) : -1;
+  },
+
+  /*
+   * Scan for characters that get silently deleted by one or more browsers.
+   */
+  scanUnsafeChars: function () {
+    return this.input.search(reg.unsafeChars);
+  },
+
+  /*
+   * Produce the next raw token or return 'null' if no tokens can be matched.
+   * This method skips over all space characters.
+   */
+  next: function (checks) {
+    this.from = this.char;
+
+    // Move to the next non-space character.
+    var start;
+    if (/\s/.test(this.peek())) {
+      start = this.char;
+
+      while (/\s/.test(this.peek())) {
+        this.from += 1;
+        this.skip();
+      }
+
+      if (this.peek() === "") { // EOL
+        if (!/^\s*$/.test(this.getLines()[this.line - 1]) && state.option.trailing) {
+          this.trigger("warning", { code: "W102", line: this.line, character: start });
+        }
+      }
+    }
+
+    // Methods that work with multi-line structures and move the
+    // character pointer.
+
+    var match = this.scanComments() ||
+      this.scanStringLiteral(checks);
+
+    if (match) {
+      return match;
+    }
+
+    // Methods that don't move the character pointer.
+
+    match =
+      this.scanRegExp() ||
+      this.scanPunctuator() ||
+      this.scanKeyword() ||
+      this.scanIdentifier() ||
+      this.scanNumericLiteral();
+
+    if (match) {
+      this.skip(match.value.length);
+      return match;
+    }
+
+    // No token could be matched, give up.
+
+    return null;
+  },
+
+  /*
+   * Switch to the next line and reset all char pointers. Once
+   * switched, this method also checks for mixed spaces and tabs
+   * and other minor warnings.
+   */
+  nextLine: function () {
+    var char;
+
+    if (this.line >= this.getLines().length) {
+      return false;
+    }
+
+    this.input = this.getLines()[this.line];
+    this.line += 1;
+    this.char = 1;
+    this.from = 1;
+
+    var inputTrimmed = this.input.trim();
+
+    var startsWith = function () {
+      return _.some(arguments, function (prefix) {
+        return inputTrimmed.indexOf(prefix) === 0;
+      });
+    };
+
+    var endsWith = function () {
+      return _.some(arguments, function (suffix) {
+        return inputTrimmed.indexOf(suffix, inputTrimmed.length - suffix.length) !== -1;
+      });
+    };
+
+    // If we are ignoring linter errors, replace the input with empty string
+    // if it doesn't already at least start or end a multi-line comment
+    if (state.ignoreLinterErrors === true) {
+      if (!startsWith("/*", "//") && !endsWith("*/")) {
+        this.input = "";
+      }
+    }
+
+    char = this.scanNonBreakingSpaces();
+    if (char >= 0) {
+      this.trigger("warning", { code: "W125", line: this.line, character: char + 1 });
+    }
+
+    char = this.scanMixedSpacesAndTabs();
+    if (char >= 0) {
+      this.trigger("warning", { code: "W099", line: this.line, character: char + 1 });
+    }
+
+    this.input = this.input.replace(/\t/g, state.tab);
+    char = this.scanUnsafeChars();
+
+    if (char >= 0) {
+      this.trigger("warning", { code: "W100", line: this.line, character: char });
+    }
+
+    // If there is a limit on line length, warn when lines get too
+    // long.
+
+    if (state.option.maxlen && state.option.maxlen < this.input.length) {
+      var inComment = this.inComment ||
+        startsWith.call(inputTrimmed, "//") ||
+        startsWith.call(inputTrimmed, "/*");
+
+      var shouldTriggerError = !inComment || !reg.maxlenException.test(inputTrimmed);
+
+      if (shouldTriggerError) {
+        this.trigger("warning", { code: "W101", line: this.line, character: this.input.length });
+      }
+    }
+
+    return true;
+  },
+
+  /*
+   * This is simply a synonym for nextLine() method with a friendlier
+   * public name.
+   */
+  start: function () {
+    this.nextLine();
+  },
+
+  /*
+   * Produce the next token. This function is called by advance() to get
+   * the next token. It retuns a token in a JSLint-compatible format.
+   */
+  token: function () {
+    /*jshint loopfunc:true */
+    var checks = asyncTrigger();
+    var token;
+
+
+    function isReserved(token, isProperty) {
+      if (!token.reserved) {
+        return false;
+      }
+      var meta = token.meta;
+
+      if (meta && meta.isFutureReservedWord && state.option.inES5()) {
+        // ES3 FutureReservedWord in an ES5 environment.
+        if (!meta.es5) {
+          return false;
+        }
+
+        // Some ES5 FutureReservedWord identifiers are active only
+        // within a strict mode environment.
+        if (meta.strictOnly) {
+          if (!state.option.strict && !state.directive["use strict"]) {
+            return false;
+          }
+        }
+
+        if (isProperty) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+
+    // Produce a token object.
+    var create = function (type, value, isProperty) {
+      /*jshint validthis:true */
+      var obj;
+
+      if (type !== "(endline)" && type !== "(end)") {
+        this.prereg = false;
+      }
+
+      if (type === "(punctuator)") {
+        switch (value) {
+        case ".":
+        case ")":
+        case "~":
+        case "#":
+        case "]":
+          this.prereg = false;
+          break;
+        default:
+          this.prereg = true;
+        }
+
+        obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
+      }
+
+      if (type === "(identifier)") {
+        if (value === "return" || value === "case" || value === "typeof") {
+          this.prereg = true;
+        }
+
+        if (_.has(state.syntax, value)) {
+          obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
+
+          // If this can't be a reserved keyword, reset the object.
+          if (!isReserved(obj, isProperty && type === "(identifier)")) {
+            obj = null;
+          }
+        }
+      }
+
+      if (!obj) {
+        obj = Object.create(state.syntax[type]);
+      }
+
+      obj.identifier = (type === "(identifier)");
+      obj.type = obj.type || type;
+      obj.value = value;
+      obj.line = this.line;
+      obj.character = this.char;
+      obj.from = this.from;
+
+      if (isProperty && obj.identifier) {
+        obj.isProperty = isProperty;
+      }
+
+      obj.check = checks.check;
+
+      return obj;
+    }.bind(this);
+
+    for (;;) {
+      if (!this.input.length) {
+        return create(this.nextLine() ? "(endline)" : "(end)", "");
+      }
+
+      token = this.next(checks);
+
+      if (!token) {
+        if (this.input.length) {
+          // Unexpected character.
+          this.trigger("error", {
+            code: "E024",
+            line: this.line,
+            character: this.char,
+            data: [ this.peek() ]
+          });
+
+          this.input = "";
+        }
+
+        continue;
+      }
+
+      switch (token.type) {
+      case Token.StringLiteral:
+        this.triggerAsync("String", {
+          line: this.line,
+          char: this.char,
+          from: this.from,
+          value: token.value,
+          quote: token.quote
+        }, checks, function () { return true; });
+
+        return create("(string)", token.value);
+      case Token.Identifier:
+        this.trigger("Identifier", {
+          line: this.line,
+          char: this.char,
+          from: this.form,
+          name: token.value,
+          isProperty: state.tokens.curr.id === "."
+        });
+
+        /* falls through */
+      case Token.Keyword:
+      case Token.NullLiteral:
+      case Token.BooleanLiteral:
+        return create("(identifier)", token.value, state.tokens.curr.id === ".");
+
+      case Token.NumericLiteral:
+        if (token.isMalformed) {
+          this.trigger("warning", {
+            code: "W045",
+            line: this.line,
+            character: this.char,
+            data: [ token.value ]
+          });
+        }
+
+        this.triggerAsync("warning", {
+          code: "W114",
+          line: this.line,
+          character: this.char,
+          data: [ "0x-" ]
+        }, checks, function () { return token.base === 16 && state.jsonMode; });
+
+        this.triggerAsync("warning", {
+          code: "W115",
+          line: this.line,
+          character: this.char
+        }, checks, function () {
+          return state.directive["use strict"] && token.base === 8;
+        });
+
+        this.trigger("Number", {
+          line: this.line,
+          char: this.char,
+          from: this.from,
+          value: token.value,
+          base: token.base,
+          isMalformed: token.malformed
+        });
+
+        return create("(number)", token.value);
+
+      case Token.RegExp:
+        return create("(regexp)", token.value);
+
+      case Token.Comment:
+        state.tokens.curr.comment = true;
+
+        if (token.isSpecial) {
+          return {
+            id: '(comment)',
+            value: token.value,
+            body: token.body,
+            type: token.commentType,
+            isSpecial: token.isSpecial,
+            line: this.line,
+            character: this.char,
+            from: this.from
+          };
+        }
+
+        break;
+
+      case "":
+        break;
+
+      default:
+        return create("(punctuator)", token.value);
+      }
+    }
+  }
+};
+
+exports.Lexer = Lexer;
+
+},{"../data/ascii-identifier-data.js":1,"../data/non-ascii-identifier-part-only.js":2,"../data/non-ascii-identifier-start.js":3,"./reg.js":16,"./state.js":17,"events":5,"underscore":11}],15:[function(require,module,exports){
+"use strict";
+
+var _ = require("underscore");
+
+var errors = {
+  // JSHint options
+  E001: "Bad option: '{a}'.",
+  E002: "Bad option value.",
+
+  // JSHint input
+  E003: "Expected a JSON value.",
+  E004: "Input is neither a string nor an array of strings.",
+  E005: "Input is empty.",
+  E006: "Unexpected early end of program.",
+
+  // Strict mode
+  E007: "Missing \"use strict\" statement.",
+  E008: "Strict violation.",
+  E009: "Option 'validthis' can't be used in a global scope.",
+  E010: "'with' is not allowed in strict mode.",
+
+  // Constants
+  E011: "const '{a}' has already been declared.",
+  E012: "const '{a}' is initialized to 'undefined'.",
+  E013: "Attempting to override '{a}' which is a constant.",
+
+  // Regular expressions
+  E014: "A regular expression literal can be confused with '/='.",
+  E015: "Unclosed regular expression.",
+  E016: "Invalid regular expression.",
+
+  // Tokens
+  E017: "Unclosed comment.",
+  E018: "Unbegun comment.",
+  E019: "Unmatched '{a}'.",
+  E020: "Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
+  E021: "Expected '{a}' and instead saw '{b}'.",
+  E022: "Line breaking error '{a}'.",
+  E023: "Missing '{a}'.",
+  E024: "Unexpected '{a}'.",
+  E025: "Missing ':' on a case clause.",
+  E026: "Missing '}' to match '{' from line {a}.",
+  E027: "Missing ']' to match '[' from line {a}.",
+  E028: "Illegal comma.",
+  E029: "Unclosed string.",
+
+  // Everything else
+  E030: "Expected an identifier and instead saw '{a}'.",
+  E031: "Bad assignment.", // FIXME: Rephrase
+  E032: "Expected a small integer or 'false' and instead saw '{a}'.",
+  E033: "Expected an operator and instead saw '{a}'.",
+  E034: "get/set are ES5 features.",
+  E035: "Missing property name.",
+  E036: "Expected to see a statement and instead saw a block.",
+  E037: null,
+  E038: null,
+  E039: "Function declarations are not invocable. Wrap the whole function invocation in parens.",
+  E040: "Each value should have its own case label.",
+  E041: "Unrecoverable syntax error.",
+  E042: "Stopping.",
+  E043: "Too many errors.",
+  E044: null,
+  E045: "Invalid for each loop.",
+  E046: "A yield statement shall be within a generator function (with syntax: `function*`)",
+  E047: null, // Vacant
+  E048: "Let declaration not directly within block.",
+  E049: "A {a} cannot be named '{b}'.",
+  E050: "Mozilla requires the yield expression to be parenthesized here.",
+  E051: "Regular parameters cannot come after default parameters."
+};
+
+var warnings = {
+  W001: "'hasOwnProperty' is a really bad name.",
+  W002: "Value of '{a}' may be overwritten in IE 8 and earlier.",
+  W003: "'{a}' was used before it was defined.",
+  W004: "'{a}' is already defined.",
+  W005: "A dot following a number can be confused with a decimal point.",
+  W006: "Confusing minuses.",
+  W007: "Confusing pluses.",
+  W008: "A leading decimal point can be confused with a dot: '{a}'.",
+  W009: "The array literal notation [] is preferable.",
+  W010: "The object literal notation {} is preferable.",
+  W011: "Unexpected space after '{a}'.",
+  W012: "Unexpected space before '{a}'.",
+  W013: "Missing space after '{a}'.",
+  W014: "Bad line breaking before '{a}'.",
+  W015: "Expected '{a}' to have an indentation at {b} instead at {c}.",
+  W016: "Unexpected use of '{a}'.",
+  W017: "Bad operand.",
+  W018: "Confusing use of '{a}'.",
+  W019: "Use the isNaN function to compare with NaN.",
+  W020: "Read only.",
+  W021: "'{a}' is a function.",
+  W022: "Do not assign to the exception parameter.",
+  W023: "Expected an identifier in an assignment and instead saw a function invocation.",
+  W024: "Expected an identifier and instead saw '{a}' (a reserved word).",
+  W025: "Missing name in function declaration.",
+  W026: "Inner functions should be listed at the top of the outer function.",
+  W027: "Unreachable '{a}' after '{b}'.",
+  W028: "Label '{a}' on {b} statement.",
+  W030: "Expected an assignment or function call and instead saw an expression.",
+  W031: "Do not use 'new' for side effects.",
+  W032: "Unnecessary semicolon.",
+  W033: "Missing semicolon.",
+  W034: "Unnecessary directive \"{a}\".",
+  W035: "Empty block.",
+  W036: "Unexpected /*member '{a}'.",
+  W037: "'{a}' is a statement label.",
+  W038: "'{a}' used out of scope.",
+  W039: "'{a}' is not allowed.",
+  W040: "Possible strict violation.",
+  W041: "Use '{a}' to compare with '{b}'.",
+  W042: "Avoid EOL escaping.",
+  W043: "Bad escaping of EOL. Use option multistr if needed.",
+  W044: "Bad or unnecessary escaping.",
+  W045: "Bad number '{a}'.",
+  W046: "Don't use extra leading zeros '{a}'.",
+  W047: "A trailing decimal point can be confused with a dot: '{a}'.",
+  W048: "Unexpected control character in regular expression.",
+  W049: "Unexpected escaped character '{a}' in regular expression.",
+  W050: "JavaScript URL.",
+  W051: "Variables should not be deleted.",
+  W052: "Unexpected '{a}'.",
+  W053: "Do not use {a} as a constructor.",
+  W054: "The Function constructor is a form of eval.",
+  W055: "A constructor name should start with an uppercase letter.",
+  W056: "Bad constructor.",
+  W057: "Weird construction. Is 'new' necessary?",
+  W058: "Missing '()' invoking a constructor.",
+  W059: "Avoid arguments.{a}.",
+  W060: "document.write can be a form of eval.",
+  W061: "eval can be harmful.",
+  W062: "Wrap an immediate function invocation in parens " +
+    "to assist the reader in understanding that the expression " +
+    "is the result of a function, and not the function itself.",
+  W063: "Math is not a function.",
+  W064: "Missing 'new' prefix when invoking a constructor.",
+  W065: "Missing radix parameter.",
+  W066: "Implied eval. Consider passing a function instead of a string.",
+  W067: "Bad invocation.",
+  W068: "Wrapping non-IIFE function literals in parens is unnecessary.",
+  W069: "['{a}'] is better written in dot notation.",
+  W070: "Extra comma. (it breaks older versions of IE)",
+  W071: "This function has too many statements. ({a})",
+  W072: "This function has too many parameters. ({a})",
+  W073: "Blocks are nested too deeply. ({a})",
+  W074: "This function's cyclomatic complexity is too high. ({a})",
+  W075: "Duplicate key '{a}'.",
+  W076: "Unexpected parameter '{a}' in get {b} function.",
+  W077: "Expected a single parameter in set {a} function.",
+  W078: "Setter is defined without getter.",
+  W079: "Redefinition of '{a}'.",
+  W080: "It's not necessary to initialize '{a}' to 'undefined'.",
+  W081: "Too many var statements.",
+  W082: "Function declarations should not be placed in blocks. " +
+    "Use a function expression or move the statement to the top of " +
+    "the outer function.",
+  W083: "Don't make functions within a loop.",
+  W084: "Expected a conditional expression and instead saw an assignment.",
+  W085: "Don't use 'with'.",
+  W086: "Expected a 'break' statement before '{a}'.",
+  W087: "Forgotten 'debugger' statement?",
+  W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
+  W089: "The body of a for in should be wrapped in an if statement to filter " +
+    "unwanted properties from the prototype.",
+  W090: "'{a}' is not a statement label.",
+  W091: "'{a}' is out of scope.",
+  W093: "Did you mean to return a conditional instead of an assignment?",
+  W094: "Unexpected comma.",
+  W095: "Expected a string and instead saw {a}.",
+  W096: "The '{a}' key may produce unexpected results.",
+  W097: "Use the function form of \"use strict\".",
+  W098: "'{a}' is defined but never used.",
+  W099: "Mixed spaces and tabs.",
+  W100: "This character may get silently deleted by one or more browsers.",
+  W101: "Line is too long.",
+  W102: "Trailing whitespace.",
+  W103: "The '{a}' property is deprecated.",
+  W104: "'{a}' is available in ES6 (use esnext option) or Mozilla JS extensions (use moz).",
+  W105: "Unexpected {a} in '{b}'.",
+  W106: "Identifier '{a}' is not in camel case.",
+  W107: "Script URL.",
+  W108: "Strings must use doublequote.",
+  W109: "Strings must use singlequote.",
+  W110: "Mixed double and single quotes.",
+  W112: "Unclosed string.",
+  W113: "Control character in string: {a}.",
+  W114: "Avoid {a}.",
+  W115: "Octal literals are not allowed in strict mode.",
+  W116: "Expected '{a}' and instead saw '{b}'.",
+  W117: "'{a}' is not defined.",
+  W118: "'{a}' is only available in Mozilla JavaScript extensions (use moz option).",
+  W119: "'{a}' is only available in ES6 (use esnext option).",
+  W120: "You might be leaking a variable ({a}) here.",
+  W121: "Extending prototype of native object: '{a}'.",
+  W122: "Invalid typeof value '{a}'",
+  W123: "'{a}' is already defined in outer scope.",
+  W124: "A generator function shall contain a yield statement.",
+  W125: "This line contains non-breaking spaces: http://jshint.com/doc/options/#nonbsp"
+};
+
+var info = {
+  I001: "Comma warnings can be turned off with 'laxcomma'.",
+  I002: "Reserved words as properties can be used under the 'es5' option.",
+  I003: "ES5 option is now set per default"
+};
+
+exports.errors = {};
+exports.warnings = {};
+exports.info = {};
+
+_.each(errors, function (desc, code) {
+  exports.errors[code] = { code: code, desc: desc };
+});
+
+_.each(warnings, function (desc, code) {
+  exports.warnings[code] = { code: code, desc: desc };
+});
+
+_.each(info, function (desc, code) {
+  exports.info[code] = { code: code, desc: desc };
+});
+
+},{"underscore":11}],16:[function(require,module,exports){
+/*
+ * Regular expressions. Some of these are stupidly long.
+ */
+
+/*jshint maxlen:1000 */
+
+"use string";
+
+// Unsafe comment or string (ax)
+exports.unsafeString =
+  /@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
+
+// Unsafe characters that are silently deleted by one or more browsers (cx)
+exports.unsafeChars =
+  /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+// Characters in strings that need escaping (nx and nxg)
+exports.needEsc =
+  /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+exports.needEscGlobal =
+  /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+
+// Star slash (lx)
+exports.starSlash = /\*\//;
+
+// Identifier (ix)
+exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
+
+// JavaScript URL (jx)
+exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
+
+// Catches /* falls through */ comments (ft)
+exports.fallsThrough = /^\s*\/\*\s*falls?\sthrough\s*\*\/\s*$/;
+
+// very conservative rule (eg: only one space between the start of the comment and the first character)
+// to relax the maxlen option
+exports.maxlenException = /^(?:(?:\/\/|\/\*|\*) ?)?[^ ]+$/;
+
+},{}],17:[function(require,module,exports){
+"use strict";
+
+var state = {
+  syntax: {},
+
+  reset: function () {
+    this.tokens = {
+      prev: null,
+      next: null,
+      curr: null
+    };
+
+    this.option = {};
+    this.ignored = {};
+    this.directive = {};
+    this.jsonMode = false;
+    this.jsonWarnings = [];
+    this.lines = [];
+    this.tab = "";
+    this.cache = {}; // Node.JS doesn't have Map. Sniff.
+    this.ignoreLinterErrors = false;    // Blank out non-multi-line-commented
+                      // lines when ignoring linter errors
+  }
+};
+
+exports.state = state;
+
+},{}],18:[function(require,module,exports){
+"use strict";
+
+exports.register = function (linter) {
+  // Check for properties named __proto__. This special property was
+  // deprecated and then re-introduced for ES6.
+
+  linter.on("Identifier", function style_scanProto(data) {
+    if (linter.getOption("proto")) {
+      return;
+    }
+
+    if (data.name === "__proto__") {
+      linter.warn("W103", {
+        line: data.line,
+        char: data.char,
+        data: [ data.name ]
+      });
+    }
+  });
+
+  // Check for properties named __iterator__. This is a special property
+  // available only in browsers with JavaScript 1.7 implementation.
+
+  linter.on("Identifier", function style_scanIterator(data) {
+    if (linter.getOption("iterator")) {
+      return;
+    }
+
+    if (data.name === "__iterator__") {
+      linter.warn("W104", {
+        line: data.line,
+        char: data.char,
+        data: [ data.name ]
+      });
+    }
+  });
+
+  // Check for dangling underscores.
+
+  linter.on("Identifier", function style_scanDangling(data) {
+    if (!linter.getOption("nomen")) {
+      return;
+    }
+
+    // Underscore.js
+    if (data.name === "_") {
+      return;
+    }
+
+    // In Node, __dirname and __filename should be ignored.
+    if (linter.getOption("node")) {
+      if (/^(__dirname|__filename)$/.test(data.name) && !data.isProperty) {
+        return;
+      }
+    }
+
+    if (/^(_+.*|.*_+)$/.test(data.name)) {
+      linter.warn("W105", {
+        line: data.line,
+        char: data.from,
+        data: [ "dangling '_'", data.name ]
+      });
+    }
+  });
+
+  // Check that all identifiers are using camelCase notation.
+  // Exceptions: names like MY_VAR and _myVar.
+
+  linter.on("Identifier", function style_scanCamelCase(data) {
+    if (!linter.getOption("camelcase")) {
+      return;
+    }
+
+    if (data.name.replace(/^_+|_+$/g, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
+      linter.warn("W106", {
+        line: data.line,
+        char: data.from,
+        data: [ data.name ]
+      });
+    }
+  });
+
+  // Enforce consistency in style of quoting.
+
+  linter.on("String", function style_scanQuotes(data) {
+    var quotmark = linter.getOption("quotmark");
+    var code;
+
+    if (!quotmark) {
+      return;
+    }
+
+    // If quotmark is set to 'single' warn about all double-quotes.
+
+    if (quotmark === "single" && data.quote !== "'") {
+      code = "W109";
+    }
+
+    // If quotmark is set to 'double' warn about all single-quotes.
+
+    if (quotmark === "double" && data.quote !== "\"") {
+      code = "W108";
+    }
+
+    // If quotmark is set to true, remember the first quotation style
+    // and then warn about all others.
+
+    if (quotmark === true) {
+      if (!linter.getCache("quotmark")) {
+        linter.setCache("quotmark", data.quote);
+      }
+
+      if (linter.getCache("quotmark") !== data.quote) {
+        code = "W110";
+      }
+    }
+
+    if (code) {
+      linter.warn(code, {
+        line: data.line,
+        char: data.char,
+      });
+    }
+  });
+
+  linter.on("Number", function style_scanNumbers(data) {
+    if (data.value.charAt(0) === ".") {
+      // Warn about a leading decimal point.
+      linter.warn("W008", {
+        line: data.line,
+        char: data.char,
+        data: [ data.value ]
+      });
+    }
+
+    if (data.value.substr(data.value.length - 1) === ".") {
+      // Warn about a trailing decimal point.
+      linter.warn("W047", {
+        line: data.line,
+        char: data.char,
+        data: [ data.value ]
+      });
+    }
+
+    if (/^00+/.test(data.value)) {
+      // Multiple leading zeroes.
+      linter.warn("W046", {
+        line: data.line,
+        char: data.char,
+        data: [ data.value ]
+      });
+    }
+  });
+
+  // Warn about script URLs.
+
+  linter.on("String", function style_scanJavaScriptURLs(data) {
+    var re = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
+
+    if (linter.getOption("scripturl")) {
+      return;
+    }
+
+    if (re.test(data.value)) {
+      linter.warn("W107", {
+        line: data.line,
+        char: data.char
+      });
+    }
+  });
+};
+},{}],19:[function(require,module,exports){
+// jshint -W001
+
+"use strict";
+
+// Identifiers provided by the ECMAScript standard.
+
+exports.reservedVars = {
+  arguments : false,
+  NaN       : false
+};
+
+exports.ecmaIdentifiers = {
+  Array              : false,
+  Boolean            : false,
+  Date               : false,
+  decodeURI          : false,
+  decodeURIComponent : false,
+  encodeURI          : false,
+  encodeURIComponent : false,
+  Error              : false,
+  "eval"             : false,
+  EvalError          : false,
+  Function           : false,
+  hasOwnProperty     : false,
+  isFinite           : false,
+  isNaN              : false,
+  JSON               : false,
+  Math               : false,
+  Map                : false,
+  Number             : false,
+  Object             : false,
+  parseInt           : false,
+  parseFloat         : false,
+  RangeError         : false,
+  ReferenceError     : false,
+  RegExp             : false,
+  Set                : false,
+  String             : false,
+  SyntaxError        : false,
+  TypeError          : false,
+  URIError           : false,
+  WeakMap            : false
+};
+
+// Global variables commonly provided by a web browser environment.
+
+exports.browser = {
+  Audio                : false,
+  Blob                 : false,
+  addEventListener     : false,
+  applicationCache     : false,
+  atob                 : false,
+  blur                 : false,
+  btoa                 : false,
+  CanvasGradient       : false,
+  CanvasPattern        : false,
+  CanvasRenderingContext2D: false,
+  clearInterval        : false,
+  clearTimeout         : false,
+  close                : false,
+  closed               : false,
+  CustomEvent          : false,
+  DOMParser            : false,
+  defaultStatus        : false,
+  document             : false,
+  Element              : false,
+  ElementTimeControl   : false,
+  event                : false,
+  FileReader           : false,
+  FormData             : false,
+  focus                : false,
+  frames               : false,
+  getComputedStyle     : false,
+  HTMLElement          : false,
+  HTMLAnchorElement    : false,
+  HTMLBaseElement      : false,
+  HTMLBlockquoteElement: false,
+  HTMLBodyElement      : false,
+  HTMLBRElement        : false,
+  HTMLButtonElement    : false,
+  HTMLCanvasElement    : false,
+  HTMLDirectoryElement : false,
+  HTMLDivElement       : false,
+  HTMLDListElement     : false,
+  HTMLFieldSetElement  : false,
+  HTMLFontElement      : false,
+  HTMLFormElement      : false,
+  HTMLFrameElement     : false,
+  HTMLFrameSetElement  : false,
+  HTMLHeadElement      : false,
+  HTMLHeadingElement   : false,
+  HTMLHRElement        : false,
+  HTMLHtmlElement      : false,
+  HTMLIFrameElement    : false,
+  HTMLImageElement     : false,
+  HTMLInputElement     : false,
+  HTMLIsIndexElement   : false,
+  HTMLLabelElement     : false,
+  HTMLLayerElement     : false,
+  HTMLLegendElement    : false,
+  HTMLLIElement        : false,
+  HTMLLinkElement      : false,
+  HTMLMapElement       : false,
+  HTMLMenuElement      : false,
+  HTMLMetaElement      : false,
+  HTMLModElement       : false,
+  HTMLObjectElement    : false,
+  HTMLOListElement     : false,
+  HTMLOptGroupElement  : false,
+  HTMLOptionElement    : false,
+  HTMLParagraphElement : false,
+  HTMLParamElement     : false,
+  HTMLPreElement       : false,
+  HTMLQuoteElement     : false,
+  HTMLScriptElement    : false,
+  HTMLSelectElement    : false,
+  HTMLStyleElement     : false,
+  HTMLTableCaptionElement: false,
+  HTMLTableCellElement : false,
+  HTMLTableColElement  : false,
+  HTMLTableElement     : false,
+  HTMLTableRowElement  : false,
+  HTMLTableSectionElement: false,
+  HTMLTextAreaElement  : false,
+  HTMLTitleElement     : false,
+  HTMLUListElement     : false,
+  HTMLVideoElement     : false,
+  history              : false,
+  Image                : false,
+  length               : false,
+  localStorage         : false,
+  location             : false,
+  matchMedia           : false,
+  MessageChannel       : false,
+  MessageEvent         : false,
+  MessagePort          : false,
+  MouseEvent           : false,
+  moveBy               : false,
+  moveTo               : false,
+  MutationObserver     : false,
+  name                 : false,
+  Node                 : false,
+  NodeFilter           : false,
+  navigator            : false,
+  onbeforeunload       : true,
+  onblur               : true,
+  onerror              : true,
+  onfocus              : true,
+  onload               : true,
+  onresize             : true,
+  onunload             : true,
+  open                 : false,
+  openDatabase         : false,
+  opener               : false,
+  Option               : false,
+  parent               : false,
+  print                : false,
+  removeEventListener  : false,
+  resizeBy             : false,
+  resizeTo             : false,
+  screen               : false,
+  scroll               : false,
+  scrollBy             : false,
+  scrollTo             : false,
+  sessionStorage       : false,
+  setInterval          : false,
+  setTimeout           : false,
+  SharedWorker         : false,
+  status               : false,
+  SVGAElement          : false,
+  SVGAltGlyphDefElement: false,
+  SVGAltGlyphElement   : false,
+  SVGAltGlyphItemElement: false,
+  SVGAngle             : false,
+  SVGAnimateColorElement: false,
+  SVGAnimateElement    : false,
+  SVGAnimateMotionElement: false,
+  SVGAnimateTransformElement: false,
+  SVGAnimatedAngle     : false,
+  SVGAnimatedBoolean   : false,
+  SVGAnimatedEnumeration: false,
+  SVGAnimatedInteger   : false,
+  SVGAnimatedLength    : false,
+  SVGAnimatedLengthList: false,
+  SVGAnimatedNumber    : false,
+  SVGAnimatedNumberList: false,
+  SVGAnimatedPathData  : false,
+  SVGAnimatedPoints    : false,
+  SVGAnimatedPreserveAspectRatio: false,
+  SVGAnimatedRect      : false,
+  SVGAnimatedString    : false,
+  SVGAnimatedTransformList: false,
+  SVGAnimationElement  : false,
+  SVGCSSRule           : false,
+  SVGCircleElement     : false,
+  SVGClipPathElement   : false,
+  SVGColor             : false,
+  SVGColorProfileElement: false,
+  SVGColorProfileRule  : false,
+  SVGComponentTransferFunctionElement: false,
+  SVGCursorElement     : false,
+  SVGDefsElement       : false,
+  SVGDescElement       : false,
+  SVGDocument          : false,
+  SVGElement           : false,
+  SVGElementInstance   : false,
+  SVGElementInstanceList: false,
+  SVGEllipseElement    : false,
+  SVGExternalResourcesRequired: false,
+  SVGFEBlendElement    : false,
+  SVGFEColorMatrixElement: false,
+  SVGFEComponentTransferElement: false,
+  SVGFECompositeElement: false,
+  SVGFEConvolveMatrixElement: false,
+  SVGFEDiffuseLightingElement: false,
+  SVGFEDisplacementMapElement: false,
+  SVGFEDistantLightElement: false,
+  SVGFEFloodElement    : false,
+  SVGFEFuncAElement    : false,
+  SVGFEFuncBElement    : false,
+  SVGFEFuncGElement    : false,
+  SVGFEFuncRElement    : false,
+  SVGFEGaussianBlurElement: false,
+  SVGFEImageElement    : false,
+  SVGFEMergeElement    : false,
+  SVGFEMergeNodeElement: false,
+  SVGFEMorphologyElement: false,
+  SVGFEOffsetElement   : false,
+  SVGFEPointLightElement: false,
+  SVGFESpecularLightingElement: false,
+  SVGFESpotLightElement: false,
+  SVGFETileElement     : false,
+  SVGFETurbulenceElement: false,
+  SVGFilterElement     : false,
+  SVGFilterPrimitiveStandardAttributes: false,
+  SVGFitToViewBox      : false,
+  SVGFontElement       : false,
+  SVGFontFaceElement   : false,
+  SVGFontFaceFormatElement: false,
+  SVGFontFaceNameElement: false,
+  SVGFontFaceSrcElement: false,
+  SVGFontFaceUriElement: false,
+  SVGForeignObjectElement: false,
+  SVGGElement          : false,
+  SVGGlyphElement      : false,
+  SVGGlyphRefElement   : false,
+  SVGGradientElement   : false,
+  SVGHKernElement      : false,
+  SVGICCColor          : false,
+  SVGImageElement      : false,
+  SVGLangSpace         : false,
+  SVGLength            : false,
+  SVGLengthList        : false,
+  SVGLineElement       : false,
+  SVGLinearGradientElement: false,
+  SVGLocatable         : false,
+  SVGMPathElement      : false,
+  SVGMarkerElement     : false,
+  SVGMaskElement       : false,
+  SVGMatrix            : false,
+  SVGMetadataElement   : false,
+  SVGMissingGlyphElement: false,
+  SVGNumber            : false,
+  SVGNumberList        : false,
+  SVGPaint             : false,
+  SVGPathElement       : false,
+  SVGPathSeg           : false,
+  SVGPathSegArcAbs     : false,
+  SVGPathSegArcRel     : false,
+  SVGPathSegClosePath  : false,
+  SVGPathSegCurvetoCubicAbs: false,
+  SVGPathSegCurvetoCubicRel: false,
+  SVGPathSegCurvetoCubicSmoothAbs: false,
+  SVGPathSegCurvetoCubicSmoothRel: false,
+  SVGPathSegCurvetoQuadraticAbs: false,
+  SVGPathSegCurvetoQuadraticRel: false,
+  SVGPathSegCurvetoQuadraticSmoothAbs: false,
+  SVGPathSegCurvetoQuadraticSmoothRel: false,
+  SVGPathSegLinetoAbs  : false,
+  SVGPathSegLinetoHorizontalAbs: false,
+  SVGPathSegLinetoHorizontalRel: false,
+  SVGPathSegLinetoRel  : false,
+  SVGPathSegLinetoVerticalAbs: false,
+  SVGPathSegLinetoVerticalRel: false,
+  SVGPathSegList       : false,
+  SVGPathSegMovetoAbs  : false,
+  SVGPathSegMovetoRel  : false,
+  SVGPatternElement    : false,
+  SVGPoint             : false,
+  SVGPointList         : false,
+  SVGPolygonElement    : false,
+  SVGPolylineElement   : false,
+  SVGPreserveAspectRatio: false,
+  SVGRadialGradientElement: false,
+  SVGRect              : false,
+  SVGRectElement       : false,
+  SVGRenderingIntent   : false,
+  SVGSVGElement        : false,
+  SVGScriptElement     : false,
+  SVGSetElement        : false,
+  SVGStopElement       : false,
+  SVGStringList        : false,
+  SVGStylable          : false,
+  SVGStyleElement      : false,
+  SVGSwitchElement     : false,
+  SVGSymbolElement     : false,
+  SVGTRefElement       : false,
+  SVGTSpanElement      : false,
+  SVGTests             : false,
+  SVGTextContentElement: false,
+  SVGTextElement       : false,
+  SVGTextPathElement   : false,
+  SVGTextPositioningElement: false,
+  SVGTitleElement      : false,
+  SVGTransform         : false,
+  SVGTransformList     : false,
+  SVGTransformable     : false,
+  SVGURIReference      : false,
+  SVGUnitTypes         : false,
+  SVGUseElement        : false,
+  SVGVKernElement      : false,
+  SVGViewElement       : false,
+  SVGViewSpec          : false,
+  SVGZoomAndPan        : false,
+  TimeEvent            : false,
+  top                  : false,
+  URL                  : false,
+  WebSocket            : false,
+  window               : false,
+  Worker               : false,
+  XMLHttpRequest       : false,
+  XMLSerializer        : false,
+  XPathEvaluator       : false,
+  XPathException       : false,
+  XPathExpression      : false,
+  XPathNamespace       : false,
+  XPathNSResolver      : false,
+  XPathResult          : false
+};
+
+exports.devel = {
+  alert  : false,
+  confirm: false,
+  console: false,
+  Debug  : false,
+  opera  : false,
+  prompt : false
+};
+
+exports.worker = {
+  importScripts: true,
+  postMessage  : true,
+  self         : true
+};
+
+// Widely adopted global names that are not part of ECMAScript standard
+exports.nonstandard = {
+  escape  : false,
+  unescape: false
+};
+
+// Globals provided by popular JavaScript environments.
+
+exports.couch = {
+  "require" : false,
+  respond   : false,
+  getRow    : false,
+  emit      : false,
+  send      : false,
+  start     : false,
+  sum       : false,
+  log       : false,
+  exports   : false,
+  module    : false,
+  provides  : false
+};
+
+exports.node = {
+  __filename    : false,
+  __dirname     : false,
+  GLOBAL        : false,
+  global        : false,
+  module        : false,
+  require       : false,
+
+  // These globals are writeable because Node allows the following
+  // usage pattern: var Buffer = require("buffer").Buffer;
+
+  Buffer        : true,
+  console       : true,
+  exports       : true,
+  process       : true,
+  setTimeout    : true,
+  clearTimeout  : true,
+  setInterval   : true,
+  clearInterval : true,
+  setImmediate  : true, // v0.9.1+
+  clearImmediate: true  // v0.9.1+
+};
+
+exports.phantom = {
+  phantom      : true,
+  require      : true,
+  WebPage      : true,
+  console      : true, // in examples, but undocumented
+  exports      : true  // v1.7+
+};
+
+exports.rhino = {
+  defineClass  : false,
+  deserialize  : false,
+  gc           : false,
+  help         : false,
+  importPackage: false,
+  "java"       : false,
+  load         : false,
+  loadClass    : false,
+  print        : false,
+  quit         : false,
+  readFile     : false,
+  readUrl      : false,
+  runCommand   : false,
+  seal         : false,
+  serialize    : false,
+  spawn        : false,
+  sync         : false,
+  toint32      : false,
+  version      : false
+};
+
+exports.shelljs = {
+  target       : false,
+  echo         : false,
+  exit         : false,
+  cd           : false,
+  pwd          : false,
+  ls           : false,
+  find         : false,
+  cp           : false,
+  rm           : false,
+  mv           : false,
+  mkdir        : false,
+  test         : false,
+  cat          : false,
+  sed          : false,
+  grep         : false,
+  which        : false,
+  dirs         : false,
+  pushd        : false,
+  popd         : false,
+  env          : false,
+  exec         : false,
+  chmod        : false,
+  config       : false,
+  error        : false,
+  tempdir      : false
+};
+
+exports.typed = {
+  ArrayBuffer         : false,
+  ArrayBufferView     : false,
+  DataView            : false,
+  Float32Array        : false,
+  Float64Array        : false,
+  Int16Array          : false,
+  Int32Array          : false,
+  Int8Array           : false,
+  Uint16Array         : false,
+  Uint32Array         : false,
+  Uint8Array          : false,
+  Uint8ClampedArray   : false
+};
+
+exports.wsh = {
+  ActiveXObject            : true,
+  Enumerator               : true,
+  GetObject                : true,
+  ScriptEngine             : true,
+  ScriptEngineBuildVersion : true,
+  ScriptEngineMajorVersion : true,
+  ScriptEngineMinorVersion : true,
+  VBArray                  : true,
+  WSH                      : true,
+  WScript                  : true,
+  XDomainRequest           : true
+};
+
+// Globals provided by popular JavaScript libraries.
+
+exports.dojo = {
+  dojo     : false,
+  dijit    : false,
+  dojox    : false,
+  define   : false,
+  "require": false
+};
+
+exports.jquery = {
+  "$"    : false,
+  jQuery : false
+};
+
+exports.mootools = {
+  "$"           : false,
+  "$$"          : false,
+  Asset         : false,
+  Browser       : false,
+  Chain         : false,
+  Class         : false,
+  Color         : false,
+  Cookie        : false,
+  Core          : false,
+  Document      : false,
+  DomReady      : false,
+  DOMEvent      : false,
+  DOMReady      : false,
+  Drag          : false,
+  Element       : false,
+  Elements      : false,
+  Event         : false,
+  Events        : false,
+  Fx            : false,
+  Group         : false,
+  Hash          : false,
+  HtmlTable     : false,
+  Iframe        : false,
+  IframeShim    : false,
+  InputValidator: false,
+  instanceOf    : false,
+  Keyboard      : false,
+  Locale        : false,
+  Mask          : false,
+  MooTools      : false,
+  Native        : false,
+  Options       : false,
+  OverText      : false,
+  Request       : false,
+  Scroller      : false,
+  Slick         : false,
+  Slider        : false,
+  Sortables     : false,
+  Spinner       : false,
+  Swiff         : false,
+  Tips          : false,
+  Type          : false,
+  typeOf        : false,
+  URI           : false,
+  Window        : false
+};
+
+exports.prototypejs = {
+  "$"               : false,
+  "$$"              : false,
+  "$A"              : false,
+  "$F"              : false,
+  "$H"              : false,
+  "$R"              : false,
+  "$break"          : false,
+  "$continue"       : false,
+  "$w"              : false,
+  Abstract          : false,
+  Ajax              : false,
+  Class             : false,
+  Enumerable        : false,
+  Element           : false,
+  Event             : false,
+  Field             : false,
+  Form              : false,
+  Hash              : false,
+  Insertion         : false,
+  ObjectRange       : false,
+  PeriodicalExecuter: false,
+  Position          : false,
+  Prototype         : false,
+  Selector          : false,
+  Template          : false,
+  Toggle            : false,
+  Try               : false,
+  Autocompleter     : false,
+  Builder           : false,
+  Control           : false,
+  Draggable         : false,
+  Draggables        : false,
+  Droppables        : false,
+  Effect            : false,
+  Sortable          : false,
+  SortableObserver  : false,
+  Sound             : false,
+  Scriptaculous     : false
+};
+
+exports.yui = {
+  YUI       : false,
+  Y         : false,
+  YUI_config: false
+};
+
+
+},{}]},{},["nr+AlQ"])
+JSHINT = require('jshint').JSHINT;
+if (typeof exports === 'object' && exports) exports.JSHINT = JSHINT;
+}());
\ No newline at end of file
diff --git a/eslint/tests/bench/medium.js b/eslint/tests/bench/medium.js
new file mode 100644
index 0000000..3edf835
--- /dev/null
+++ b/eslint/tests/bench/medium.js
@@ -0,0 +1,9111 @@
+/*!
+ * jQuery JavaScript Library v2.1.0
+ * http://jquery.com/
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ *
+ * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: 2014-01-23T21:10Z
+ */
+
+(function( global, factory ) {
+
+	if ( typeof module === "object" && typeof module.exports === "object" ) {
+		// For CommonJS and CommonJS-like environments where a proper window is present,
+		// execute the factory and get jQuery
+		// For environments that do not inherently posses a window with a document
+		// (such as Node.js), expose a jQuery-making factory as module.exports
+		// This accentuates the need for the creation of a real window
+		// e.g. var jQuery = require("jquery")(window);
+		// See ticket #14549 for more info
+		module.exports = global.document ?
+			factory( global, true ) :
+			function( w ) {
+				if ( !w.document ) {
+					throw new Error( "jQuery requires a window with a document" );
+				}
+				return factory( w );
+			};
+	} else {
+		factory( global );
+	}
+
+// Pass this if window is not defined yet
+}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+
+// Can't do this because several apps including ASP.NET trace
+// the stack via arguments.caller.callee and Firefox dies if
+// you try to trace through "use strict" call chains. (#13335)
+// Support: Firefox 18+
+//
+
+var arr = [];
+
+var slice = arr.slice;
+
+var concat = arr.concat;
+
+var push = arr.push;
+
+var indexOf = arr.indexOf;
+
+var class2type = {};
+
+var toString = class2type.toString;
+
+var hasOwn = class2type.hasOwnProperty;
+
+var trim = "".trim;
+
+var support = {};
+
+
+
+var
+	// Use the correct document accordingly with window argument (sandbox)
+	document = window.document,
+
+	version = "2.1.0",
+
+	// Define a local copy of jQuery
+	jQuery = function( selector, context ) {
+		// The jQuery object is actually just the init constructor 'enhanced'
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
+	},
+
+	// Matches dashed string for camelizing
+	rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([\da-z])/gi,
+
+	// Used by jQuery.camelCase as callback to replace()
+	fcamelCase = function( all, letter ) {
+		return letter.toUpperCase();
+	};
+
+jQuery.fn = jQuery.prototype = {
+	// The current version of jQuery being used
+	jquery: version,
+
+	constructor: jQuery,
+
+	// Start with an empty selector
+	selector: "",
+
+	// The default length of a jQuery object is 0
+	length: 0,
+
+	toArray: function() {
+		return slice.call( this );
+	},
+
+	// Get the Nth element in the matched element set OR
+	// Get the whole matched element set as a clean array
+	get: function( num ) {
+		return num != null ?
+
+			// Return a 'clean' array
+			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
+
+			// Return just the object
+			slice.call( this );
+	},
+
+	// Take an array of elements and push it onto the stack
+	// (returning the new matched element set)
+	pushStack: function( elems ) {
+
+		// Build a new jQuery matched element set
+		var ret = jQuery.merge( this.constructor(), elems );
+
+		// Add the old object onto the stack (as a reference)
+		ret.prevObject = this;
+		ret.context = this.context;
+
+		// Return the newly-formed element set
+		return ret;
+	},
+
+	// Execute a callback for every element in the matched set.
+	// (You can seed the arguments with an array of args, but this is
+	// only used internally.)
+	each: function( callback, args ) {
+		return jQuery.each( this, callback, args );
+	},
+
+	map: function( callback ) {
+		return this.pushStack( jQuery.map(this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		}));
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ) );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	eq: function( i ) {
+		var len = this.length,
+			j = +i + ( i < 0 ? len : 0 );
+		return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
+	},
+
+	end: function() {
+		return this.prevObject || this.constructor(null);
+	},
+
+	// For internal use only.
+	// Behaves like an Array's method, not like a jQuery method.
+	push: push,
+	sort: arr.sort,
+	splice: arr.splice
+};
+
+jQuery.extend = jQuery.fn.extend = function() {
+	var options, name, src, copy, copyIsArray, clone,
+		target = arguments[0] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false;
+
+	// Handle a deep copy situation
+	if ( typeof target === "boolean" ) {
+		deep = target;
+
+		// skip the boolean and the target
+		target = arguments[ i ] || {};
+		i++;
+	}
+
+	// Handle case when target is a string or something (possible in deep copy)
+	if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
+		target = {};
+	}
+
+	// extend jQuery itself if only one argument is passed
+	if ( i === length ) {
+		target = this;
+		i--;
+	}
+
+	for ( ; i < length; i++ ) {
+		// Only deal with non-null/undefined values
+		if ( (options = arguments[ i ]) != null ) {
+			// Extend the base object
+			for ( name in options ) {
+				src = target[ name ];
+				copy = options[ name ];
+
+				// Prevent never-ending loop
+				if ( target === copy ) {
+					continue;
+				}
+
+				// Recurse if we're merging plain objects or arrays
+				if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
+					if ( copyIsArray ) {
+						copyIsArray = false;
+						clone = src && jQuery.isArray(src) ? src : [];
+
+					} else {
+						clone = src && jQuery.isPlainObject(src) ? src : {};
+					}
+
+					// Never move original objects, clone them
+					target[ name ] = jQuery.extend( deep, clone, copy );
+
+				// Don't bring in undefined values
+				} else if ( copy !== undefined ) {
+					target[ name ] = copy;
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
+
+jQuery.extend({
+	// Unique for each copy of jQuery on the page
+	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
+
+	// Assume jQuery is ready without the ready module
+	isReady: true,
+
+	error: function( msg ) {
+		throw new Error( msg );
+	},
+
+	noop: function() {},
+
+	// See test/unit/core.js for details concerning isFunction.
+	// Since version 1.3, DOM methods and functions like alert
+	// aren't supported. They return false on IE (#2968).
+	isFunction: function( obj ) {
+		return jQuery.type(obj) === "function";
+	},
+
+	isArray: Array.isArray,
+
+	isWindow: function( obj ) {
+		return obj != null && obj === obj.window;
+	},
+
+	isNumeric: function( obj ) {
+		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
+		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+		// subtraction forces infinities to NaN
+		return obj - parseFloat( obj ) >= 0;
+	},
+
+	isPlainObject: function( obj ) {
+		// Not plain objects:
+		// - Any object or value whose internal [[Class]] property is not "[object Object]"
+		// - DOM nodes
+		// - window
+		if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+			return false;
+		}
+
+		// Support: Firefox <20
+		// The try/catch suppresses exceptions thrown when attempting to access
+		// the "constructor" property of certain host objects, ie. |window.location|
+		// https://bugzilla.mozilla.org/show_bug.cgi?id=814622
+		try {
+			if ( obj.constructor &&
+					!Object.prototype.hasOwnProperty.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
+				return false;
+			}
+		} catch ( e ) {
+			return false;
+		}
+
+		// If the function hasn't returned already, we're confident that
+		// |obj| is a plain object, created by {} or constructed with new Object
+		return true;
+	},
+
+	isEmptyObject: function( obj ) {
+		var name;
+		for ( name in obj ) {
+			return false;
+		}
+		return true;
+	},
+
+	type: function( obj ) {
+		if ( obj == null ) {
+			return obj + "";
+		}
+		// Support: Android < 4.0, iOS < 6 (functionish RegExp)
+		return typeof obj === "object" || typeof obj === "function" ?
+			class2type[ toString.call(obj) ] || "object" :
+			typeof obj;
+	},
+
+	// Evaluates a script in a global context
+	globalEval: function( code ) {
+		var script,
+			indirect = eval;
+
+		code = jQuery.trim( code );
+
+		if ( code ) {
+			// If the code includes a valid, prologue position
+			// strict mode pragma, execute code by injecting a
+			// script tag into the document.
+			if ( code.indexOf("use strict") === 1 ) {
+				script = document.createElement("script");
+				script.text = code;
+				document.head.appendChild( script ).parentNode.removeChild( script );
+			} else {
+			// Otherwise, avoid the DOM node creation, insertion
+			// and removal by using an indirect global eval
+				indirect( code );
+			}
+		}
+	},
+
+	// Convert dashed to camelCase; used by the css and data modules
+	// Microsoft forgot to hump their vendor prefix (#9572)
+	camelCase: function( string ) {
+		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+	},
+
+	nodeName: function( elem, name ) {
+		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+	},
+
+	// args is for internal usage only
+	each: function( obj, callback, args ) {
+		var value,
+			i = 0,
+			length = obj.length,
+			isArray = isArraylike( obj );
+
+		if ( args ) {
+			if ( isArray ) {
+				for ( ; i < length; i++ ) {
+					value = callback.apply( obj[ i ], args );
+
+					if ( value === false ) {
+						break;
+					}
+				}
+			} else {
+				for ( i in obj ) {
+					value = callback.apply( obj[ i ], args );
+
+					if ( value === false ) {
+						break;
+					}
+				}
+			}
+
+		// A special, fast, case for the most common use of each
+		} else {
+			if ( isArray ) {
+				for ( ; i < length; i++ ) {
+					value = callback.call( obj[ i ], i, obj[ i ] );
+
+					if ( value === false ) {
+						break;
+					}
+				}
+			} else {
+				for ( i in obj ) {
+					value = callback.call( obj[ i ], i, obj[ i ] );
+
+					if ( value === false ) {
+						break;
+					}
+				}
+			}
+		}
+
+		return obj;
+	},
+
+	trim: function( text ) {
+		return text == null ? "" : trim.call( text );
+	},
+
+	// results is for internal usage only
+	makeArray: function( arr, results ) {
+		var ret = results || [];
+
+		if ( arr != null ) {
+			if ( isArraylike( Object(arr) ) ) {
+				jQuery.merge( ret,
+					typeof arr === "string" ?
+					[ arr ] : arr
+				);
+			} else {
+				push.call( ret, arr );
+			}
+		}
+
+		return ret;
+	},
+
+	inArray: function( elem, arr, i ) {
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
+	},
+
+	merge: function( first, second ) {
+		var len = +second.length,
+			j = 0,
+			i = first.length;
+
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
+		}
+
+		first.length = i;
+
+		return first;
+	},
+
+	grep: function( elems, callback, invert ) {
+		var callbackInverse,
+			matches = [],
+			i = 0,
+			length = elems.length,
+			callbackExpect = !invert;
+
+		// Go through the array, only saving the items
+		// that pass the validator function
+		for ( ; i < length; i++ ) {
+			callbackInverse = !callback( elems[ i ], i );
+			if ( callbackInverse !== callbackExpect ) {
+				matches.push( elems[ i ] );
+			}
+		}
+
+		return matches;
+	},
+
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
+		var value,
+			i = 0,
+			length = elems.length,
+			isArray = isArraylike( elems ),
+			ret = [];
+
+		// Go through the array, translating each of the items to their new values
+		if ( isArray ) {
+			for ( ; i < length; i++ ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+
+		// Go through every key on the object,
+		} else {
+			for ( i in elems ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+		}
+
+		// Flatten any nested arrays
+		return concat.apply( [], ret );
+	},
+
+	// A global GUID counter for objects
+	guid: 1,
+
+	// Bind a function to a context, optionally partially applying any
+	// arguments.
+	proxy: function( fn, context ) {
+		var tmp, args, proxy;
+
+		if ( typeof context === "string" ) {
+			tmp = fn[ context ];
+			context = fn;
+			fn = tmp;
+		}
+
+		// Quick check to determine if target is callable, in the spec
+		// this throws a TypeError, but we will just return undefined.
+		if ( !jQuery.isFunction( fn ) ) {
+			return undefined;
+		}
+
+		// Simulated bind
+		args = slice.call( arguments, 2 );
+		proxy = function() {
+			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
+		};
+
+		// Set the guid of unique handler to the same of original handler, so it can be removed
+		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
+
+		return proxy;
+	},
+
+	now: Date.now,
+
+	// jQuery.support is not used in Core but other projects attach their
+	// properties to it so it needs to exist.
+	support: support
+});
+
+// Populate the class2type map
+jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
+	class2type[ "[object " + name + "]" ] = name.toLowerCase();
+});
+
+function isArraylike( obj ) {
+	var length = obj.length,
+		type = jQuery.type( obj );
+
+	if ( type === "function" || jQuery.isWindow( obj ) ) {
+		return false;
+	}
+
+	if ( obj.nodeType === 1 && length ) {
+		return true;
+	}
+
+	return type === "array" || length === 0 ||
+		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
+}
+var Sizzle =
+/*!
+ * Sizzle CSS Selector Engine v1.10.16
+ * http://sizzlejs.com/
+ *
+ * Copyright 2013 jQuery Foundation, Inc. and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: 2014-01-13
+ */
+(function( window ) {
+
+var i,
+	support,
+	Expr,
+	getText,
+	isXML,
+	compile,
+	outermostContext,
+	sortInput,
+	hasDuplicate,
+
+	// Local document vars
+	setDocument,
+	document,
+	docElem,
+	documentIsHTML,
+	rbuggyQSA,
+	rbuggyMatches,
+	matches,
+	contains,
+
+	// Instance-specific data
+	expando = "sizzle" + -(new Date()),
+	preferredDoc = window.document,
+	dirruns = 0,
+	done = 0,
+	classCache = createCache(),
+	tokenCache = createCache(),
+	compilerCache = createCache(),
+	sortOrder = function( a, b ) {
+		if ( a === b ) {
+			hasDuplicate = true;
+		}
+		return 0;
+	},
+
+	// General-purpose constants
+	strundefined = typeof undefined,
+	MAX_NEGATIVE = 1 << 31,
+
+	// Instance methods
+	hasOwn = ({}).hasOwnProperty,
+	arr = [],
+	pop = arr.pop,
+	push_native = arr.push,
+	push = arr.push,
+	slice = arr.slice,
+	// Use a stripped-down indexOf if we can't use a native one
+	indexOf = arr.indexOf || function( elem ) {
+		var i = 0,
+			len = this.length;
+		for ( ; i < len; i++ ) {
+			if ( this[i] === elem ) {
+				return i;
+			}
+		}
+		return -1;
+	},
+
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+
+	// Regular expressions
+
+	// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
+	whitespace = "[\\x20\\t\\r\\n\\f]",
+	// http://www.w3.org/TR/css3-syntax/#characters
+	characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
+
+	// Loosely modeled on CSS identifier characters
+	// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
+	// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
+	identifier = characterEncoding.replace( "w", "w#" ),
+
+	// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
+	attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
+		"*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
+
+	// Prefer arguments quoted,
+	//   then not containing pseudos/brackets,
+	//   then attribute selectors/non-parenthetical expressions,
+	//   then anything else
+	// These preferences are here to reduce the number of selectors
+	//   needing tokenize in the PSEUDO preFilter
+	pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
+
+	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
+	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+
+	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
+	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
+
+	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
+
+	rpseudo = new RegExp( pseudos ),
+	ridentifier = new RegExp( "^" + identifier + "$" ),
+
+	matchExpr = {
+		"ID": new RegExp( "^#(" + characterEncoding + ")" ),
+		"CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
+		"TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
+		"ATTR": new RegExp( "^" + attributes ),
+		"PSEUDO": new RegExp( "^" + pseudos ),
+		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
+			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
+			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+		// For use in libraries implementing .is()
+		// We use this for POS matching in `select`
+		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
+			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+	},
+
+	rinputs = /^(?:input|select|textarea|button)$/i,
+	rheader = /^h\d$/i,
+
+	rnative = /^[^{]+\{\s*\[native \w/,
+
+	// Easily-parseable/retrievable ID or TAG or CLASS selectors
+	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
+
+	rsibling = /[+~]/,
+	rescape = /'|\\/g,
+
+	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
+	funescape = function( _, escaped, escapedWhitespace ) {
+		var high = "0x" + escaped - 0x10000;
+		// NaN means non-codepoint
+		// Support: Firefox
+		// Workaround erroneous numeric interpretation of +"0x"
+		return high !== high || escapedWhitespace ?
+			escaped :
+			high < 0 ?
+				// BMP codepoint
+				String.fromCharCode( high + 0x10000 ) :
+				// Supplemental Plane codepoint (surrogate pair)
+				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+	};
+
+// Optimize for push.apply( _, NodeList )
+try {
+	push.apply(
+		(arr = slice.call( preferredDoc.childNodes )),
+		preferredDoc.childNodes
+	);
+	// Support: Android<4.0
+	// Detect silently failing push.apply
+	arr[ preferredDoc.childNodes.length ].nodeType;
+} catch ( e ) {
+	push = { apply: arr.length ?
+
+		// Leverage slice if possible
+		function( target, els ) {
+			push_native.apply( target, slice.call(els) );
+		} :
+
+		// Support: IE<9
+		// Otherwise append directly
+		function( target, els ) {
+			var j = target.length,
+				i = 0;
+			// Can't trust NodeList.length
+			while ( (target[j++] = els[i++]) ) {}
+			target.length = j - 1;
+		}
+	};
+}
+
+function Sizzle( selector, context, results, seed ) {
+	var match, elem, m, nodeType,
+		// QSA vars
+		i, groups, old, nid, newContext, newSelector;
+
+	if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
+		setDocument( context );
+	}
+
+	context = context || document;
+	results = results || [];
+
+	if ( !selector || typeof selector !== "string" ) {
+		return results;
+	}
+
+	if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
+		return [];
+	}
+
+	if ( documentIsHTML && !seed ) {
+
+		// Shortcuts
+		if ( (match = rquickExpr.exec( selector )) ) {
+			// Speed-up: Sizzle("#ID")
+			if ( (m = match[1]) ) {
+				if ( nodeType === 9 ) {
+					elem = context.getElementById( m );
+					// Check parentNode to catch when Blackberry 4.6 returns
+					// nodes that are no longer in the document (jQuery #6963)
+					if ( elem && elem.parentNode ) {
+						// Handle the case where IE, Opera, and Webkit return items
+						// by name instead of ID
+						if ( elem.id === m ) {
+							results.push( elem );
+							return results;
+						}
+					} else {
+						return results;
+					}
+				} else {
+					// Context is not a document
+					if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
+						contains( context, elem ) && elem.id === m ) {
+						results.push( elem );
+						return results;
+					}
+				}
+
+			// Speed-up: Sizzle("TAG")
+			} else if ( match[2] ) {
+				push.apply( results, context.getElementsByTagName( selector ) );
+				return results;
+
+			// Speed-up: Sizzle(".CLASS")
+			} else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
+				push.apply( results, context.getElementsByClassName( m ) );
+				return results;
+			}
+		}
+
+		// QSA path
+		if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
+			nid = old = expando;
+			newContext = context;
+			newSelector = nodeType === 9 && selector;
+
+			// qSA works strangely on Element-rooted queries
+			// We can work around this by specifying an extra ID on the root
+			// and working up from there (Thanks to Andrew Dupont for the technique)
+			// IE 8 doesn't work on object elements
+			if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
+				groups = tokenize( selector );
+
+				if ( (old = context.getAttribute("id")) ) {
+					nid = old.replace( rescape, "\\$&" );
+				} else {
+					context.setAttribute( "id", nid );
+				}
+				nid = "[id='" + nid + "'] ";
+
+				i = groups.length;
+				while ( i-- ) {
+					groups[i] = nid + toSelector( groups[i] );
+				}
+				newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
+				newSelector = groups.join(",");
+			}
+
+			if ( newSelector ) {
+				try {
+					push.apply( results,
+						newContext.querySelectorAll( newSelector )
+					);
+					return results;
+				} catch(qsaError) {
+				} finally {
+					if ( !old ) {
+						context.removeAttribute("id");
+					}
+				}
+			}
+		}
+	}
+
+	// All others
+	return select( selector.replace( rtrim, "$1" ), context, results, seed );
+}
+
+/**
+ * Create key-value caches of limited size
+ * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
+ *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
+ *	deleting the oldest entry
+ */
+function createCache() {
+	var keys = [];
+
+	function cache( key, value ) {
+		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
+		if ( keys.push( key + " " ) > Expr.cacheLength ) {
+			// Only keep the most recent entries
+			delete cache[ keys.shift() ];
+		}
+		return (cache[ key + " " ] = value);
+	}
+	return cache;
+}
+
+/**
+ * Mark a function for special use by Sizzle
+ * @param {Function} fn The function to mark
+ */
+function markFunction( fn ) {
+	fn[ expando ] = true;
+	return fn;
+}
+
+/**
+ * Support testing using an element
+ * @param {Function} fn Passed the created div and expects a boolean result
+ */
+function assert( fn ) {
+	var div = document.createElement("div");
+
+	try {
+		return !!fn( div );
+	} catch (e) {
+		return false;
+	} finally {
+		// Remove from its parent by default
+		if ( div.parentNode ) {
+			div.parentNode.removeChild( div );
+		}
+		// release memory in IE
+		div = null;
+	}
+}
+
+/**
+ * Adds the same handler for all of the specified attrs
+ * @param {string} attrs Pipe-separated list of attributes
+ * @param {Function} handler The method that will be applied
+ */
+function addHandle( attrs, handler ) {
+	var arr = attrs.split("|"),
+		i = attrs.length;
+
+	while ( i-- ) {
+		Expr.attrHandle[ arr[i] ] = handler;
+	}
+}
+
+/**
+ * Checks document order of two siblings
+ * @param {Element} a
+ * @param {Element} b
+ * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
+ */
+function siblingCheck( a, b ) {
+	var cur = b && a,
+		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
+			( ~b.sourceIndex || MAX_NEGATIVE ) -
+			( ~a.sourceIndex || MAX_NEGATIVE );
+
+	// Use IE sourceIndex if available on both nodes
+	if ( diff ) {
+		return diff;
+	}
+
+	// Check if b follows a
+	if ( cur ) {
+		while ( (cur = cur.nextSibling) ) {
+			if ( cur === b ) {
+				return -1;
+			}
+		}
+	}
+
+	return a ? 1 : -1;
+}
+
+/**
+ * Returns a function to use in pseudos for input types
+ * @param {string} type
+ */
+function createInputPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return name === "input" && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for buttons
+ * @param {string} type
+ */
+function createButtonPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return (name === "input" || name === "button") && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for positionals
+ * @param {Function} fn
+ */
+function createPositionalPseudo( fn ) {
+	return markFunction(function( argument ) {
+		argument = +argument;
+		return markFunction(function( seed, matches ) {
+			var j,
+				matchIndexes = fn( [], seed.length, argument ),
+				i = matchIndexes.length;
+
+			// Match elements found at the specified indexes
+			while ( i-- ) {
+				if ( seed[ (j = matchIndexes[i]) ] ) {
+					seed[j] = !(matches[j] = seed[j]);
+				}
+			}
+		});
+	});
+}
+
+/**
+ * Checks a node for validity as a Sizzle context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+	return context && typeof context.getElementsByTagName !== strundefined && context;
+}
+
+// Expose support vars for convenience
+support = Sizzle.support = {};
+
+/**
+ * Detects XML nodes
+ * @param {Element|Object} elem An element or a document
+ * @returns {boolean} True iff elem is a non-HTML XML node
+ */
+isXML = Sizzle.isXML = function( elem ) {
+	// documentElement is verified for cases where it doesn't yet exist
+	// (such as loading iframes in IE - #4833)
+	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
+	return documentElement ? documentElement.nodeName !== "HTML" : false;
+};
+
+/**
+ * Sets document-related variables once based on the current document
+ * @param {Element|Object} [doc] An element or document object to use to set the document
+ * @returns {Object} Returns the current document
+ */
+setDocument = Sizzle.setDocument = function( node ) {
+	var hasCompare,
+		doc = node ? node.ownerDocument || node : preferredDoc,
+		parent = doc.defaultView;
+
+	// If no document and documentElement is available, return
+	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+		return document;
+	}
+
+	// Set our document
+	document = doc;
+	docElem = doc.documentElement;
+
+	// Support tests
+	documentIsHTML = !isXML( doc );
+
+	// Support: IE>8
+	// If iframe document is assigned to "document" variable and if iframe has been reloaded,
+	// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
+	// IE6-8 do not support the defaultView property so parent will be undefined
+	if ( parent && parent !== parent.top ) {
+		// IE11 does not have attachEvent, so all must suffer
+		if ( parent.addEventListener ) {
+			parent.addEventListener( "unload", function() {
+				setDocument();
+			}, false );
+		} else if ( parent.attachEvent ) {
+			parent.attachEvent( "onunload", function() {
+				setDocument();
+			});
+		}
+	}
+
+	/* Attributes
+	---------------------------------------------------------------------- */
+
+	// Support: IE<8
+	// Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
+	support.attributes = assert(function( div ) {
+		div.className = "i";
+		return !div.getAttribute("className");
+	});
+
+	/* getElement(s)By*
+	---------------------------------------------------------------------- */
+
+	// Check if getElementsByTagName("*") returns only elements
+	support.getElementsByTagName = assert(function( div ) {
+		div.appendChild( doc.createComment("") );
+		return !div.getElementsByTagName("*").length;
+	});
+
+	// Check if getElementsByClassName can be trusted
+	support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
+		div.innerHTML = "<div class='a'></div><div class='a i'></div>";
+
+		// Support: Safari<4
+		// Catch class over-caching
+		div.firstChild.className = "i";
+		// Support: Opera<10
+		// Catch gEBCN failure to find non-leading classes
+		return div.getElementsByClassName("i").length === 2;
+	});
+
+	// Support: IE<10
+	// Check if getElementById returns elements by name
+	// The broken getElementById methods don't pick up programatically-set names,
+	// so use a roundabout getElementsByName test
+	support.getById = assert(function( div ) {
+		docElem.appendChild( div ).id = expando;
+		return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
+	});
+
+	// ID find and filter
+	if ( support.getById ) {
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
+				var m = context.getElementById( id );
+				// Check parentNode to catch when Blackberry 4.6 returns
+				// nodes that are no longer in the document #6963
+				return m && m.parentNode ? [m] : [];
+			}
+		};
+		Expr.filter["ID"] = function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				return elem.getAttribute("id") === attrId;
+			};
+		};
+	} else {
+		// Support: IE6/7
+		// getElementById is not reliable as a find shortcut
+		delete Expr.find["ID"];
+
+		Expr.filter["ID"] =  function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
+				return node && node.value === attrId;
+			};
+		};
+	}
+
+	// Tag
+	Expr.find["TAG"] = support.getElementsByTagName ?
+		function( tag, context ) {
+			if ( typeof context.getElementsByTagName !== strundefined ) {
+				return context.getElementsByTagName( tag );
+			}
+		} :
+		function( tag, context ) {
+			var elem,
+				tmp = [],
+				i = 0,
+				results = context.getElementsByTagName( tag );
+
+			// Filter out possible comments
+			if ( tag === "*" ) {
+				while ( (elem = results[i++]) ) {
+					if ( elem.nodeType === 1 ) {
+						tmp.push( elem );
+					}
+				}
+
+				return tmp;
+			}
+			return results;
+		};
+
+	// Class
+	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+		if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
+			return context.getElementsByClassName( className );
+		}
+	};
+
+	/* QSA/matchesSelector
+	---------------------------------------------------------------------- */
+
+	// QSA and matchesSelector support
+
+	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
+	rbuggyMatches = [];
+
+	// qSa(:focus) reports false when true (Chrome 21)
+	// We allow this because of a bug in IE8/9 that throws an error
+	// whenever `document.activeElement` is accessed on an iframe
+	// So, we allow :focus to pass through QSA all the time to avoid the IE error
+	// See http://bugs.jquery.com/ticket/13378
+	rbuggyQSA = [];
+
+	if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
+		// Build QSA regex
+		// Regex strategy adopted from Diego Perini
+		assert(function( div ) {
+			// Select is set to empty string on purpose
+			// This is to test IE's treatment of not explicitly
+			// setting a boolean content attribute,
+			// since its presence should be enough
+			// http://bugs.jquery.com/ticket/12359
+			div.innerHTML = "<select t=''><option selected=''></option></select>";
+
+			// Support: IE8, Opera 10-12
+			// Nothing should be selected when empty strings follow ^= or $= or *=
+			if ( div.querySelectorAll("[t^='']").length ) {
+				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+			}
+
+			// Support: IE8
+			// Boolean attributes and "value" are not treated correctly
+			if ( !div.querySelectorAll("[selected]").length ) {
+				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
+			}
+
+			// Webkit/Opera - :checked should return selected option elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			// IE8 throws error here and will not see later tests
+			if ( !div.querySelectorAll(":checked").length ) {
+				rbuggyQSA.push(":checked");
+			}
+		});
+
+		assert(function( div ) {
+			// Support: Windows 8 Native Apps
+			// The type and name attributes are restricted during .innerHTML assignment
+			var input = doc.createElement("input");
+			input.setAttribute( "type", "hidden" );
+			div.appendChild( input ).setAttribute( "name", "D" );
+
+			// Support: IE8
+			// Enforce case-sensitivity of name attribute
+			if ( div.querySelectorAll("[name=d]").length ) {
+				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
+			}
+
+			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
+			// IE8 throws error here and will not see later tests
+			if ( !div.querySelectorAll(":enabled").length ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Opera 10-11 does not throw on post-comma invalid pseudos
+			div.querySelectorAll("*,:x");
+			rbuggyQSA.push(",.*:");
+		});
+	}
+
+	if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
+		docElem.mozMatchesSelector ||
+		docElem.oMatchesSelector ||
+		docElem.msMatchesSelector) )) ) {
+
+		assert(function( div ) {
+			// Check to see if it's possible to do matchesSelector
+			// on a disconnected node (IE 9)
+			support.disconnectedMatch = matches.call( div, "div" );
+
+			// This should fail with an exception
+			// Gecko does not error, returns false instead
+			matches.call( div, "[s!='']:x" );
+			rbuggyMatches.push( "!=", pseudos );
+		});
+	}
+
+	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
+	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+
+	/* Contains
+	---------------------------------------------------------------------- */
+	hasCompare = rnative.test( docElem.compareDocumentPosition );
+
+	// Element contains another
+	// Purposefully does not implement inclusive descendent
+	// As in, an element does not contain itself
+	contains = hasCompare || rnative.test( docElem.contains ) ?
+		function( a, b ) {
+			var adown = a.nodeType === 9 ? a.documentElement : a,
+				bup = b && b.parentNode;
+			return a === bup || !!( bup && bup.nodeType === 1 && (
+				adown.contains ?
+					adown.contains( bup ) :
+					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
+			));
+		} :
+		function( a, b ) {
+			if ( b ) {
+				while ( (b = b.parentNode) ) {
+					if ( b === a ) {
+						return true;
+					}
+				}
+			}
+			return false;
+		};
+
+	/* Sorting
+	---------------------------------------------------------------------- */
+
+	// Document order sorting
+	sortOrder = hasCompare ?
+	function( a, b ) {
+
+		// Flag for duplicate removal
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		// Sort on method existence if only one input has compareDocumentPosition
+		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
+		if ( compare ) {
+			return compare;
+		}
+
+		// Calculate position if both inputs belong to the same document
+		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+			a.compareDocumentPosition( b ) :
+
+			// Otherwise we know they are disconnected
+			1;
+
+		// Disconnected nodes
+		if ( compare & 1 ||
+			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+
+			// Choose the first element that is related to our preferred document
+			if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+				return -1;
+			}
+			if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+				return 1;
+			}
+
+			// Maintain original order
+			return sortInput ?
+				( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
+				0;
+		}
+
+		return compare & 4 ? -1 : 1;
+	} :
+	function( a, b ) {
+		// Exit early if the nodes are identical
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		var cur,
+			i = 0,
+			aup = a.parentNode,
+			bup = b.parentNode,
+			ap = [ a ],
+			bp = [ b ];
+
+		// Parentless nodes are either documents or disconnected
+		if ( !aup || !bup ) {
+			return a === doc ? -1 :
+				b === doc ? 1 :
+				aup ? -1 :
+				bup ? 1 :
+				sortInput ?
+				( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
+				0;
+
+		// If the nodes are siblings, we can do a quick check
+		} else if ( aup === bup ) {
+			return siblingCheck( a, b );
+		}
+
+		// Otherwise we need full lists of their ancestors for comparison
+		cur = a;
+		while ( (cur = cur.parentNode) ) {
+			ap.unshift( cur );
+		}
+		cur = b;
+		while ( (cur = cur.parentNode) ) {
+			bp.unshift( cur );
+		}
+
+		// Walk down the tree looking for a discrepancy
+		while ( ap[i] === bp[i] ) {
+			i++;
+		}
+
+		return i ?
+			// Do a sibling check if the nodes have a common ancestor
+			siblingCheck( ap[i], bp[i] ) :
+
+			// Otherwise nodes in our document sort first
+			ap[i] === preferredDoc ? -1 :
+			bp[i] === preferredDoc ? 1 :
+			0;
+	};
+
+	return doc;
+};
+
+Sizzle.matches = function( expr, elements ) {
+	return Sizzle( expr, null, null, elements );
+};
+
+Sizzle.matchesSelector = function( elem, expr ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	// Make sure that attribute selectors are quoted
+	expr = expr.replace( rattributeQuotes, "='$1']" );
+
+	if ( support.matchesSelector && documentIsHTML &&
+		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
+		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
+
+		try {
+			var ret = matches.call( elem, expr );
+
+			// IE 9's matchesSelector returns false on disconnected nodes
+			if ( ret || support.disconnectedMatch ||
+					// As well, disconnected nodes are said to be in a document
+					// fragment in IE 9
+					elem.document && elem.document.nodeType !== 11 ) {
+				return ret;
+			}
+		} catch(e) {}
+	}
+
+	return Sizzle( expr, document, null, [elem] ).length > 0;
+};
+
+Sizzle.contains = function( context, elem ) {
+	// Set document vars if needed
+	if ( ( context.ownerDocument || context ) !== document ) {
+		setDocument( context );
+	}
+	return contains( context, elem );
+};
+
+Sizzle.attr = function( elem, name ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	var fn = Expr.attrHandle[ name.toLowerCase() ],
+		// Don't get fooled by Object.prototype properties (jQuery #13807)
+		val = fn && Object.prototype.hasOwnProperty.call( Expr.attrHandle, name.toLowerCase() ) ?
+			fn( elem, name, !documentIsHTML ) :
+			undefined;
+
+	return val !== undefined ?
+		val :
+		support.attributes || !documentIsHTML ?
+			elem.getAttribute( name ) :
+			(val = elem.getAttributeNode(name)) && val.specified ?
+				val.value :
+				null;
+};
+
+Sizzle.error = function( msg ) {
+	throw new Error( "Syntax error, unrecognized expression: " + msg );
+};
+
+/**
+ * Document sorting and removing duplicates
+ * @param {ArrayLike} results
+ */
+Sizzle.uniqueSort = function( results ) {
+	var elem,
+		duplicates = [],
+		j = 0,
+		i = 0;
+
+	// Unless we *know* we can detect duplicates, assume their presence
+	hasDuplicate = !support.detectDuplicates;
+	sortInput = !support.sortStable && results.slice( 0 );
+	results.sort( sortOrder );
+
+	if ( hasDuplicate ) {
+		while ( (elem = results[i++]) ) {
+			if ( elem === results[ i ] ) {
+				j = duplicates.push( i );
+			}
+		}
+		while ( j-- ) {
+			results.splice( duplicates[ j ], 1 );
+		}
+	}
+
+	// Clear input after sorting to release objects
+	// See https://github.com/jquery/sizzle/pull/225
+	sortInput = null;
+
+	return results;
+};
+
+/**
+ * Utility function for retrieving the text value of an array of DOM nodes
+ * @param {Array|Element} elem
+ */
+getText = Sizzle.getText = function( elem ) {
+	var node,
+		ret = "",
+		i = 0,
+		nodeType = elem.nodeType;
+
+	if ( !nodeType ) {
+		// If no nodeType, this is expected to be an array
+		while ( (node = elem[i++]) ) {
+			// Do not traverse comment nodes
+			ret += getText( node );
+		}
+	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+		// Use textContent for elements
+		// innerText usage removed for consistency of new lines (jQuery #11153)
+		if ( typeof elem.textContent === "string" ) {
+			return elem.textContent;
+		} else {
+			// Traverse its children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				ret += getText( elem );
+			}
+		}
+	} else if ( nodeType === 3 || nodeType === 4 ) {
+		return elem.nodeValue;
+	}
+	// Do not include comment or processing instruction nodes
+
+	return ret;
+};
+
+Expr = Sizzle.selectors = {
+
+	// Can be adjusted by the user
+	cacheLength: 50,
+
+	createPseudo: markFunction,
+
+	match: matchExpr,
+
+	attrHandle: {},
+
+	find: {},
+
+	relative: {
+		">": { dir: "parentNode", first: true },
+		" ": { dir: "parentNode" },
+		"+": { dir: "previousSibling", first: true },
+		"~": { dir: "previousSibling" }
+	},
+
+	preFilter: {
+		"ATTR": function( match ) {
+			match[1] = match[1].replace( runescape, funescape );
+
+			// Move the given value to match[3] whether quoted or unquoted
+			match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
+
+			if ( match[2] === "~=" ) {
+				match[3] = " " + match[3] + " ";
+			}
+
+			return match.slice( 0, 4 );
+		},
+
+		"CHILD": function( match ) {
+			/* matches from matchExpr["CHILD"]
+				1 type (only|nth|...)
+				2 what (child|of-type)
+				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
+				4 xn-component of xn+y argument ([+-]?\d*n|)
+				5 sign of xn-component
+				6 x of xn-component
+				7 sign of y-component
+				8 y of y-component
+			*/
+			match[1] = match[1].toLowerCase();
+
+			if ( match[1].slice( 0, 3 ) === "nth" ) {
+				// nth-* requires argument
+				if ( !match[3] ) {
+					Sizzle.error( match[0] );
+				}
+
+				// numeric x and y parameters for Expr.filter.CHILD
+				// remember that false/true cast respectively to 0/1
+				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
+				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+
+			// other types prohibit arguments
+			} else if ( match[3] ) {
+				Sizzle.error( match[0] );
+			}
+
+			return match;
+		},
+
+		"PSEUDO": function( match ) {
+			var excess,
+				unquoted = !match[5] && match[2];
+
+			if ( matchExpr["CHILD"].test( match[0] ) ) {
+				return null;
+			}
+
+			// Accept quoted arguments as-is
+			if ( match[3] && match[4] !== undefined ) {
+				match[2] = match[4];
+
+			// Strip excess characters from unquoted arguments
+			} else if ( unquoted && rpseudo.test( unquoted ) &&
+				// Get excess from tokenize (recursively)
+				(excess = tokenize( unquoted, true )) &&
+				// advance to the next closing parenthesis
+				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+
+				// excess is a negative index
+				match[0] = match[0].slice( 0, excess );
+				match[2] = unquoted.slice( 0, excess );
+			}
+
+			// Return only captures needed by the pseudo filter method (type and argument)
+			return match.slice( 0, 3 );
+		}
+	},
+
+	filter: {
+
+		"TAG": function( nodeNameSelector ) {
+			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
+			return nodeNameSelector === "*" ?
+				function() { return true; } :
+				function( elem ) {
+					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+				};
+		},
+
+		"CLASS": function( className ) {
+			var pattern = classCache[ className + " " ];
+
+			return pattern ||
+				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
+				classCache( className, function( elem ) {
+					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
+				});
+		},
+
+		"ATTR": function( name, operator, check ) {
+			return function( elem ) {
+				var result = Sizzle.attr( elem, name );
+
+				if ( result == null ) {
+					return operator === "!=";
+				}
+				if ( !operator ) {
+					return true;
+				}
+
+				result += "";
+
+				return operator === "=" ? result === check :
+					operator === "!=" ? result !== check :
+					operator === "^=" ? check && result.indexOf( check ) === 0 :
+					operator === "*=" ? check && result.indexOf( check ) > -1 :
+					operator === "$=" ? check && result.slice( -check.length ) === check :
+					operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
+					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
+					false;
+			};
+		},
+
+		"CHILD": function( type, what, argument, first, last ) {
+			var simple = type.slice( 0, 3 ) !== "nth",
+				forward = type.slice( -4 ) !== "last",
+				ofType = what === "of-type";
+
+			return first === 1 && last === 0 ?
+
+				// Shortcut for :nth-*(n)
+				function( elem ) {
+					return !!elem.parentNode;
+				} :
+
+				function( elem, context, xml ) {
+					var cache, outerCache, node, diff, nodeIndex, start,
+						dir = simple !== forward ? "nextSibling" : "previousSibling",
+						parent = elem.parentNode,
+						name = ofType && elem.nodeName.toLowerCase(),
+						useCache = !xml && !ofType;
+
+					if ( parent ) {
+
+						// :(first|last|only)-(child|of-type)
+						if ( simple ) {
+							while ( dir ) {
+								node = elem;
+								while ( (node = node[ dir ]) ) {
+									if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
+										return false;
+									}
+								}
+								// Reverse direction for :only-* (if we haven't yet done so)
+								start = dir = type === "only" && !start && "nextSibling";
+							}
+							return true;
+						}
+
+						start = [ forward ? parent.firstChild : parent.lastChild ];
+
+						// non-xml :nth-child(...) stores cache data on `parent`
+						if ( forward && useCache ) {
+							// Seek `elem` from a previously-cached index
+							outerCache = parent[ expando ] || (parent[ expando ] = {});
+							cache = outerCache[ type ] || [];
+							nodeIndex = cache[0] === dirruns && cache[1];
+							diff = cache[0] === dirruns && cache[2];
+							node = nodeIndex && parent.childNodes[ nodeIndex ];
+
+							while ( (node = ++nodeIndex && node && node[ dir ] ||
+
+								// Fallback to seeking `elem` from the start
+								(diff = nodeIndex = 0) || start.pop()) ) {
+
+								// When found, cache indexes on `parent` and break
+								if ( node.nodeType === 1 && ++diff && node === elem ) {
+									outerCache[ type ] = [ dirruns, nodeIndex, diff ];
+									break;
+								}
+							}
+
+						// Use previously-cached element index if available
+						} else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
+							diff = cache[1];
+
+						// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
+						} else {
+							// Use the same loop as above to seek `elem` from the start
+							while ( (node = ++nodeIndex && node && node[ dir ] ||
+								(diff = nodeIndex = 0) || start.pop()) ) {
+
+								if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
+									// Cache the index of each encountered element
+									if ( useCache ) {
+										(node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
+									}
+
+									if ( node === elem ) {
+										break;
+									}
+								}
+							}
+						}
+
+						// Incorporate the offset, then check against cycle size
+						diff -= last;
+						return diff === first || ( diff % first === 0 && diff / first >= 0 );
+					}
+				};
+		},
+
+		"PSEUDO": function( pseudo, argument ) {
+			// pseudo-class names are case-insensitive
+			// http://www.w3.org/TR/selectors/#pseudo-classes
+			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
+			// Remember that setFilters inherits from pseudos
+			var args,
+				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
+					Sizzle.error( "unsupported pseudo: " + pseudo );
+
+			// The user may use createPseudo to indicate that
+			// arguments are needed to create the filter function
+			// just as Sizzle does
+			if ( fn[ expando ] ) {
+				return fn( argument );
+			}
+
+			// But maintain support for old signatures
+			if ( fn.length > 1 ) {
+				args = [ pseudo, pseudo, "", argument ];
+				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
+					markFunction(function( seed, matches ) {
+						var idx,
+							matched = fn( seed, argument ),
+							i = matched.length;
+						while ( i-- ) {
+							idx = indexOf.call( seed, matched[i] );
+							seed[ idx ] = !( matches[ idx ] = matched[i] );
+						}
+					}) :
+					function( elem ) {
+						return fn( elem, 0, args );
+					};
+			}
+
+			return fn;
+		}
+	},
+
+	pseudos: {
+		// Potentially complex pseudos
+		"not": markFunction(function( selector ) {
+			// Trim the selector passed to compile
+			// to avoid treating leading and trailing
+			// spaces as combinators
+			var input = [],
+				results = [],
+				matcher = compile( selector.replace( rtrim, "$1" ) );
+
+			return matcher[ expando ] ?
+				markFunction(function( seed, matches, context, xml ) {
+					var elem,
+						unmatched = matcher( seed, null, xml, [] ),
+						i = seed.length;
+
+					// Match elements unmatched by `matcher`
+					while ( i-- ) {
+						if ( (elem = unmatched[i]) ) {
+							seed[i] = !(matches[i] = elem);
+						}
+					}
+				}) :
+				function( elem, context, xml ) {
+					input[0] = elem;
+					matcher( input, null, xml, results );
+					return !results.pop();
+				};
+		}),
+
+		"has": markFunction(function( selector ) {
+			return function( elem ) {
+				return Sizzle( selector, elem ).length > 0;
+			};
+		}),
+
+		"contains": markFunction(function( text ) {
+			return function( elem ) {
+				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
+			};
+		}),
+
+		// "Whether an element is represented by a :lang() selector
+		// is based solely on the element's language value
+		// being equal to the identifier C,
+		// or beginning with the identifier C immediately followed by "-".
+		// The matching of C against the element's language value is performed case-insensitively.
+		// The identifier C does not have to be a valid language name."
+		// http://www.w3.org/TR/selectors/#lang-pseudo
+		"lang": markFunction( function( lang ) {
+			// lang value must be a valid identifier
+			if ( !ridentifier.test(lang || "") ) {
+				Sizzle.error( "unsupported lang: " + lang );
+			}
+			lang = lang.replace( runescape, funescape ).toLowerCase();
+			return function( elem ) {
+				var elemLang;
+				do {
+					if ( (elemLang = documentIsHTML ?
+						elem.lang :
+						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+
+						elemLang = elemLang.toLowerCase();
+						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
+					}
+				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+				return false;
+			};
+		}),
+
+		// Miscellaneous
+		"target": function( elem ) {
+			var hash = window.location && window.location.hash;
+			return hash && hash.slice( 1 ) === elem.id;
+		},
+
+		"root": function( elem ) {
+			return elem === docElem;
+		},
+
+		"focus": function( elem ) {
+			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+		},
+
+		// Boolean properties
+		"enabled": function( elem ) {
+			return elem.disabled === false;
+		},
+
+		"disabled": function( elem ) {
+			return elem.disabled === true;
+		},
+
+		"checked": function( elem ) {
+			// In CSS3, :checked should return both checked and selected elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			var nodeName = elem.nodeName.toLowerCase();
+			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+		},
+
+		"selected": function( elem ) {
+			// Accessing this property makes selected-by-default
+			// options in Safari work properly
+			if ( elem.parentNode ) {
+				elem.parentNode.selectedIndex;
+			}
+
+			return elem.selected === true;
+		},
+
+		// Contents
+		"empty": function( elem ) {
+			// http://www.w3.org/TR/selectors/#empty-pseudo
+			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
+			//   but not by others (comment: 8; processing instruction: 7; etc.)
+			// nodeType < 6 works because attributes (2) do not appear as children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				if ( elem.nodeType < 6 ) {
+					return false;
+				}
+			}
+			return true;
+		},
+
+		"parent": function( elem ) {
+			return !Expr.pseudos["empty"]( elem );
+		},
+
+		// Element/input types
+		"header": function( elem ) {
+			return rheader.test( elem.nodeName );
+		},
+
+		"input": function( elem ) {
+			return rinputs.test( elem.nodeName );
+		},
+
+		"button": function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return name === "input" && elem.type === "button" || name === "button";
+		},
+
+		"text": function( elem ) {
+			var attr;
+			return elem.nodeName.toLowerCase() === "input" &&
+				elem.type === "text" &&
+
+				// Support: IE<8
+				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
+				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+		},
+
+		// Position-in-collection
+		"first": createPositionalPseudo(function() {
+			return [ 0 ];
+		}),
+
+		"last": createPositionalPseudo(function( matchIndexes, length ) {
+			return [ length - 1 ];
+		}),
+
+		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			return [ argument < 0 ? argument + length : argument ];
+		}),
+
+		"even": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 0;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"odd": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 1;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ? argument + length : argument;
+			for ( ; --i >= 0; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ? argument + length : argument;
+			for ( ; ++i < length; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		})
+	}
+};
+
+Expr.pseudos["nth"] = Expr.pseudos["eq"];
+
+// Add button/input type pseudos
+for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
+	Expr.pseudos[ i ] = createInputPseudo( i );
+}
+for ( i in { submit: true, reset: true } ) {
+	Expr.pseudos[ i ] = createButtonPseudo( i );
+}
+
+// Easy API for creating new setFilters
+function setFilters() {}
+setFilters.prototype = Expr.filters = Expr.pseudos;
+Expr.setFilters = new setFilters();
+
+function tokenize( selector, parseOnly ) {
+	var matched, match, tokens, type,
+		soFar, groups, preFilters,
+		cached = tokenCache[ selector + " " ];
+
+	if ( cached ) {
+		return parseOnly ? 0 : cached.slice( 0 );
+	}
+
+	soFar = selector;
+	groups = [];
+	preFilters = Expr.preFilter;
+
+	while ( soFar ) {
+
+		// Comma and first run
+		if ( !matched || (match = rcomma.exec( soFar )) ) {
+			if ( match ) {
+				// Don't consume trailing commas as valid
+				soFar = soFar.slice( match[0].length ) || soFar;
+			}
+			groups.push( (tokens = []) );
+		}
+
+		matched = false;
+
+		// Combinators
+		if ( (match = rcombinators.exec( soFar )) ) {
+			matched = match.shift();
+			tokens.push({
+				value: matched,
+				// Cast descendant combinators to space
+				type: match[0].replace( rtrim, " " )
+			});
+			soFar = soFar.slice( matched.length );
+		}
+
+		// Filters
+		for ( type in Expr.filter ) {
+			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
+				(match = preFilters[ type ]( match ))) ) {
+				matched = match.shift();
+				tokens.push({
+					value: matched,
+					type: type,
+					matches: match
+				});
+				soFar = soFar.slice( matched.length );
+			}
+		}
+
+		if ( !matched ) {
+			break;
+		}
+	}
+
+	// Return the length of the invalid excess
+	// if we're just parsing
+	// Otherwise, throw an error or return tokens
+	return parseOnly ?
+		soFar.length :
+		soFar ?
+			Sizzle.error( selector ) :
+			// Cache the tokens
+			tokenCache( selector, groups ).slice( 0 );
+}
+
+function toSelector( tokens ) {
+	var i = 0,
+		len = tokens.length,
+		selector = "";
+	for ( ; i < len; i++ ) {
+		selector += tokens[i].value;
+	}
+	return selector;
+}
+
+function addCombinator( matcher, combinator, base ) {
+	var dir = combinator.dir,
+		checkNonElements = base && dir === "parentNode",
+		doneName = done++;
+
+	return combinator.first ?
+		// Check against closest ancestor/preceding element
+		function( elem, context, xml ) {
+			while ( (elem = elem[ dir ]) ) {
+				if ( elem.nodeType === 1 || checkNonElements ) {
+					return matcher( elem, context, xml );
+				}
+			}
+		} :
+
+		// Check against all ancestor/preceding elements
+		function( elem, context, xml ) {
+			var oldCache, outerCache,
+				newCache = [ dirruns, doneName ];
+
+			// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
+			if ( xml ) {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						if ( matcher( elem, context, xml ) ) {
+							return true;
+						}
+					}
+				}
+			} else {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						outerCache = elem[ expando ] || (elem[ expando ] = {});
+						if ( (oldCache = outerCache[ dir ]) &&
+							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
+
+							// Assign to newCache so results back-propagate to previous elements
+							return (newCache[ 2 ] = oldCache[ 2 ]);
+						} else {
+							// Reuse newcache so results back-propagate to previous elements
+							outerCache[ dir ] = newCache;
+
+							// A match means we're done; a fail means we have to keep checking
+							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+								return true;
+							}
+						}
+					}
+				}
+			}
+		};
+}
+
+function elementMatcher( matchers ) {
+	return matchers.length > 1 ?
+		function( elem, context, xml ) {
+			var i = matchers.length;
+			while ( i-- ) {
+				if ( !matchers[i]( elem, context, xml ) ) {
+					return false;
+				}
+			}
+			return true;
+		} :
+		matchers[0];
+}
+
+function condense( unmatched, map, filter, context, xml ) {
+	var elem,
+		newUnmatched = [],
+		i = 0,
+		len = unmatched.length,
+		mapped = map != null;
+
+	for ( ; i < len; i++ ) {
+		if ( (elem = unmatched[i]) ) {
+			if ( !filter || filter( elem, context, xml ) ) {
+				newUnmatched.push( elem );
+				if ( mapped ) {
+					map.push( i );
+				}
+			}
+		}
+	}
+
+	return newUnmatched;
+}
+
+function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
+	if ( postFilter && !postFilter[ expando ] ) {
+		postFilter = setMatcher( postFilter );
+	}
+	if ( postFinder && !postFinder[ expando ] ) {
+		postFinder = setMatcher( postFinder, postSelector );
+	}
+	return markFunction(function( seed, results, context, xml ) {
+		var temp, i, elem,
+			preMap = [],
+			postMap = [],
+			preexisting = results.length,
+
+			// Get initial elements from seed or context
+			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+
+			// Prefilter to get matcher input, preserving a map for seed-results synchronization
+			matcherIn = preFilter && ( seed || !selector ) ?
+				condense( elems, preMap, preFilter, context, xml ) :
+				elems,
+
+			matcherOut = matcher ?
+				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
+				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
+
+					// ...intermediate processing is necessary
+					[] :
+
+					// ...otherwise use results directly
+					results :
+				matcherIn;
+
+		// Find primary matches
+		if ( matcher ) {
+			matcher( matcherIn, matcherOut, context, xml );
+		}
+
+		// Apply postFilter
+		if ( postFilter ) {
+			temp = condense( matcherOut, postMap );
+			postFilter( temp, [], context, xml );
+
+			// Un-match failing elements by moving them back to matcherIn
+			i = temp.length;
+			while ( i-- ) {
+				if ( (elem = temp[i]) ) {
+					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+				}
+			}
+		}
+
+		if ( seed ) {
+			if ( postFinder || preFilter ) {
+				if ( postFinder ) {
+					// Get the final matcherOut by condensing this intermediate into postFinder contexts
+					temp = [];
+					i = matcherOut.length;
+					while ( i-- ) {
+						if ( (elem = matcherOut[i]) ) {
+							// Restore matcherIn since elem is not yet a final match
+							temp.push( (matcherIn[i] = elem) );
+						}
+					}
+					postFinder( null, (matcherOut = []), temp, xml );
+				}
+
+				// Move matched elements from seed to results to keep them synchronized
+				i = matcherOut.length;
+				while ( i-- ) {
+					if ( (elem = matcherOut[i]) &&
+						(temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
+
+						seed[temp] = !(results[temp] = elem);
+					}
+				}
+			}
+
+		// Add elements to results, through postFinder if defined
+		} else {
+			matcherOut = condense(
+				matcherOut === results ?
+					matcherOut.splice( preexisting, matcherOut.length ) :
+					matcherOut
+			);
+			if ( postFinder ) {
+				postFinder( null, results, matcherOut, xml );
+			} else {
+				push.apply( results, matcherOut );
+			}
+		}
+	});
+}
+
+function matcherFromTokens( tokens ) {
+	var checkContext, matcher, j,
+		len = tokens.length,
+		leadingRelative = Expr.relative[ tokens[0].type ],
+		implicitRelative = leadingRelative || Expr.relative[" "],
+		i = leadingRelative ? 1 : 0,
+
+		// The foundational matcher ensures that elements are reachable from top-level context(s)
+		matchContext = addCombinator( function( elem ) {
+			return elem === checkContext;
+		}, implicitRelative, true ),
+		matchAnyContext = addCombinator( function( elem ) {
+			return indexOf.call( checkContext, elem ) > -1;
+		}, implicitRelative, true ),
+		matchers = [ function( elem, context, xml ) {
+			return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
+				(checkContext = context).nodeType ?
+					matchContext( elem, context, xml ) :
+					matchAnyContext( elem, context, xml ) );
+		} ];
+
+	for ( ; i < len; i++ ) {
+		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
+			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+		} else {
+			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+
+			// Return special upon seeing a positional matcher
+			if ( matcher[ expando ] ) {
+				// Find the next relative operator (if any) for proper handling
+				j = ++i;
+				for ( ; j < len; j++ ) {
+					if ( Expr.relative[ tokens[j].type ] ) {
+						break;
+					}
+				}
+				return setMatcher(
+					i > 1 && elementMatcher( matchers ),
+					i > 1 && toSelector(
+						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+					).replace( rtrim, "$1" ),
+					matcher,
+					i < j && matcherFromTokens( tokens.slice( i, j ) ),
+					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+					j < len && toSelector( tokens )
+				);
+			}
+			matchers.push( matcher );
+		}
+	}
+
+	return elementMatcher( matchers );
+}
+
+function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
+	var bySet = setMatchers.length > 0,
+		byElement = elementMatchers.length > 0,
+		superMatcher = function( seed, context, xml, results, outermost ) {
+			var elem, j, matcher,
+				matchedCount = 0,
+				i = "0",
+				unmatched = seed && [],
+				setMatched = [],
+				contextBackup = outermostContext,
+				// We must always have either seed elements or outermost context
+				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+				// Use integer dirruns iff this is the outermost matcher
+				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				len = elems.length;
+
+			if ( outermost ) {
+				outermostContext = context !== document && context;
+			}
+
+			// Add elements passing elementMatchers directly to results
+			// Keep `i` a string if there are no elements so `matchedCount` will be "00" below
+			// Support: IE<9, Safari
+			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
+			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+				if ( byElement && elem ) {
+					j = 0;
+					while ( (matcher = elementMatchers[j++]) ) {
+						if ( matcher( elem, context, xml ) ) {
+							results.push( elem );
+							break;
+						}
+					}
+					if ( outermost ) {
+						dirruns = dirrunsUnique;
+					}
+				}
+
+				// Track unmatched elements for set filters
+				if ( bySet ) {
+					// They will have gone through all possible matchers
+					if ( (elem = !matcher && elem) ) {
+						matchedCount--;
+					}
+
+					// Lengthen the array for every element, matched or not
+					if ( seed ) {
+						unmatched.push( elem );
+					}
+				}
+			}
+
+			// Apply set filters to unmatched elements
+			matchedCount += i;
+			if ( bySet && i !== matchedCount ) {
+				j = 0;
+				while ( (matcher = setMatchers[j++]) ) {
+					matcher( unmatched, setMatched, context, xml );
+				}
+
+				if ( seed ) {
+					// Reintegrate element matches to eliminate the need for sorting
+					if ( matchedCount > 0 ) {
+						while ( i-- ) {
+							if ( !(unmatched[i] || setMatched[i]) ) {
+								setMatched[i] = pop.call( results );
+							}
+						}
+					}
+
+					// Discard index placeholder values to get only actual matches
+					setMatched = condense( setMatched );
+				}
+
+				// Add matches to results
+				push.apply( results, setMatched );
+
+				// Seedless set matches succeeding multiple successful matchers stipulate sorting
+				if ( outermost && !seed && setMatched.length > 0 &&
+					( matchedCount + setMatchers.length ) > 1 ) {
+
+					Sizzle.uniqueSort( results );
+				}
+			}
+
+			// Override manipulation of globals by nested matchers
+			if ( outermost ) {
+				dirruns = dirrunsUnique;
+				outermostContext = contextBackup;
+			}
+
+			return unmatched;
+		};
+
+	return bySet ?
+		markFunction( superMatcher ) :
+		superMatcher;
+}
+
+compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
+	var i,
+		setMatchers = [],
+		elementMatchers = [],
+		cached = compilerCache[ selector + " " ];
+
+	if ( !cached ) {
+		// Generate a function of recursive functions that can be used to check each element
+		if ( !group ) {
+			group = tokenize( selector );
+		}
+		i = group.length;
+		while ( i-- ) {
+			cached = matcherFromTokens( group[i] );
+			if ( cached[ expando ] ) {
+				setMatchers.push( cached );
+			} else {
+				elementMatchers.push( cached );
+			}
+		}
+
+		// Cache the compiled function
+		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+	}
+	return cached;
+};
+
+function multipleContexts( selector, contexts, results ) {
+	var i = 0,
+		len = contexts.length;
+	for ( ; i < len; i++ ) {
+		Sizzle( selector, contexts[i], results );
+	}
+	return results;
+}
+
+function select( selector, context, results, seed ) {
+	var i, tokens, token, type, find,
+		match = tokenize( selector );
+
+	if ( !seed ) {
+		// Try to minimize operations if there is only one group
+		if ( match.length === 1 ) {
+
+			// Take a shortcut and set the context if the root selector is an ID
+			tokens = match[0] = match[0].slice( 0 );
+			if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
+					support.getById && context.nodeType === 9 && documentIsHTML &&
+					Expr.relative[ tokens[1].type ] ) {
+
+				context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+				if ( !context ) {
+					return results;
+				}
+				selector = selector.slice( tokens.shift().value.length );
+			}
+
+			// Fetch a seed set for right-to-left matching
+			i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+			while ( i-- ) {
+				token = tokens[i];
+
+				// Abort if we hit a combinator
+				if ( Expr.relative[ (type = token.type) ] ) {
+					break;
+				}
+				if ( (find = Expr.find[ type ]) ) {
+					// Search, expanding context for leading sibling combinators
+					if ( (seed = find(
+						token.matches[0].replace( runescape, funescape ),
+						rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
+					)) ) {
+
+						// If seed is empty or no tokens remain, we can return early
+						tokens.splice( i, 1 );
+						selector = seed.length && toSelector( tokens );
+						if ( !selector ) {
+							push.apply( results, seed );
+							return results;
+						}
+
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	// Compile and execute a filtering function
+	// Provide `match` to avoid retokenization if we modified the selector above
+	compile( selector, match )(
+		seed,
+		context,
+		!documentIsHTML,
+		results,
+		rsibling.test( selector ) && testContext( context.parentNode ) || context
+	);
+	return results;
+}
+
+// One-time assignments
+
+// Sort stability
+support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
+
+// Support: Chrome<14
+// Always assume duplicates if they aren't passed to the comparison function
+support.detectDuplicates = !!hasDuplicate;
+
+// Initialize against the default document
+setDocument();
+
+// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
+// Detached nodes confoundingly follow *each other*
+support.sortDetached = assert(function( div1 ) {
+	// Should return 1, but returns 4 (following)
+	return div1.compareDocumentPosition( document.createElement("div") ) & 1;
+});
+
+// Support: IE<8
+// Prevent attribute/property "interpolation"
+// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
+if ( !assert(function( div ) {
+	div.innerHTML = "<a href='#'></a>";
+	return div.firstChild.getAttribute("href") === "#" ;
+}) ) {
+	addHandle( "type|href|height|width", function( elem, name, isXML ) {
+		if ( !isXML ) {
+			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
+		}
+	});
+}
+
+// Support: IE<9
+// Use defaultValue in place of getAttribute("value")
+if ( !support.attributes || !assert(function( div ) {
+	div.innerHTML = "<input/>";
+	div.firstChild.setAttribute( "value", "" );
+	return div.firstChild.getAttribute( "value" ) === "";
+}) ) {
+	addHandle( "value", function( elem, name, isXML ) {
+		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
+			return elem.defaultValue;
+		}
+	});
+}
+
+// Support: IE<9
+// Use getAttributeNode to fetch booleans when getAttribute lies
+if ( !assert(function( div ) {
+	return div.getAttribute("disabled") == null;
+}) ) {
+	addHandle( booleans, function( elem, name, isXML ) {
+		var val;
+		if ( !isXML ) {
+			return elem[ name ] === true ? name.toLowerCase() :
+					(val = elem.getAttributeNode( name )) && val.specified ?
+					val.value :
+				null;
+		}
+	});
+}
+
+return Sizzle;
+
+})( window );
+
+
+
+jQuery.find = Sizzle;
+jQuery.expr = Sizzle.selectors;
+jQuery.expr[":"] = jQuery.expr.pseudos;
+jQuery.unique = Sizzle.uniqueSort;
+jQuery.text = Sizzle.getText;
+jQuery.isXMLDoc = Sizzle.isXML;
+jQuery.contains = Sizzle.contains;
+
+
+
+var rneedsContext = jQuery.expr.match.needsContext;
+
+var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
+
+
+
+var risSimple = /^.[^:#\[\.,]*$/;
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, not ) {
+	if ( jQuery.isFunction( qualifier ) ) {
+		return jQuery.grep( elements, function( elem, i ) {
+			/* jshint -W018 */
+			return !!qualifier.call( elem, i, elem ) !== not;
+		});
+
+	}
+
+	if ( qualifier.nodeType ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( elem === qualifier ) !== not;
+		});
+
+	}
+
+	if ( typeof qualifier === "string" ) {
+		if ( risSimple.test( qualifier ) ) {
+			return jQuery.filter( qualifier, elements, not );
+		}
+
+		qualifier = jQuery.filter( qualifier, elements );
+	}
+
+	return jQuery.grep( elements, function( elem ) {
+		return ( indexOf.call( qualifier, elem ) >= 0 ) !== not;
+	});
+}
+
+jQuery.filter = function( expr, elems, not ) {
+	var elem = elems[ 0 ];
+
+	if ( not ) {
+		expr = ":not(" + expr + ")";
+	}
+
+	return elems.length === 1 && elem.nodeType === 1 ?
+		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
+		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+			return elem.nodeType === 1;
+		}));
+};
+
+jQuery.fn.extend({
+	find: function( selector ) {
+		var i,
+			len = this.length,
+			ret = [],
+			self = this;
+
+		if ( typeof selector !== "string" ) {
+			return this.pushStack( jQuery( selector ).filter(function() {
+				for ( i = 0; i < len; i++ ) {
+					if ( jQuery.contains( self[ i ], this ) ) {
+						return true;
+					}
+				}
+			}) );
+		}
+
+		for ( i = 0; i < len; i++ ) {
+			jQuery.find( selector, self[ i ], ret );
+		}
+
+		// Needed because $( selector, context ) becomes $( context ).find( selector )
+		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
+		ret.selector = this.selector ? this.selector + " " + selector : selector;
+		return ret;
+	},
+	filter: function( selector ) {
+		return this.pushStack( winnow(this, selector || [], false) );
+	},
+	not: function( selector ) {
+		return this.pushStack( winnow(this, selector || [], true) );
+	},
+	is: function( selector ) {
+		return !!winnow(
+			this,
+
+			// If this is a positional/relative selector, check membership in the returned set
+			// so $("p:first").is("p:last") won't return true for a doc with two "p".
+			typeof selector === "string" && rneedsContext.test( selector ) ?
+				jQuery( selector ) :
+				selector || [],
+			false
+		).length;
+	}
+});
+
+
+// Initialize a jQuery object
+
+
+// A central reference to the root jQuery(document)
+var rootjQuery,
+
+	// A simple way to check for HTML strings
+	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
+	// Strict HTML recognition (#11290: must start with <)
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
+
+	init = jQuery.fn.init = function( selector, context ) {
+		var match, elem;
+
+		// HANDLE: $(""), $(null), $(undefined), $(false)
+		if ( !selector ) {
+			return this;
+		}
+
+		// Handle HTML strings
+		if ( typeof selector === "string" ) {
+			if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) {
+				// Assume that strings that start and end with <> are HTML and skip the regex check
+				match = [ null, selector, null ];
+
+			} else {
+				match = rquickExpr.exec( selector );
+			}
+
+			// Match html or make sure no context is specified for #id
+			if ( match && (match[1] || !context) ) {
+
+				// HANDLE: $(html) -> $(array)
+				if ( match[1] ) {
+					context = context instanceof jQuery ? context[0] : context;
+
+					// scripts is true for back-compat
+					// Intentionally let the error be thrown if parseHTML is not present
+					jQuery.merge( this, jQuery.parseHTML(
+						match[1],
+						context && context.nodeType ? context.ownerDocument || context : document,
+						true
+					) );
+
+					// HANDLE: $(html, props)
+					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
+						for ( match in context ) {
+							// Properties of context are called as methods if possible
+							if ( jQuery.isFunction( this[ match ] ) ) {
+								this[ match ]( context[ match ] );
+
+							// ...and otherwise set as attributes
+							} else {
+								this.attr( match, context[ match ] );
+							}
+						}
+					}
+
+					return this;
+
+				// HANDLE: $(#id)
+				} else {
+					elem = document.getElementById( match[2] );
+
+					// Check parentNode to catch when Blackberry 4.6 returns
+					// nodes that are no longer in the document #6963
+					if ( elem && elem.parentNode ) {
+						// Inject the element directly into the jQuery object
+						this.length = 1;
+						this[0] = elem;
+					}
+
+					this.context = document;
+					this.selector = selector;
+					return this;
+				}
+
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return ( context || rootjQuery ).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
+				return this.constructor( context ).find( selector );
+			}
+
+		// HANDLE: $(DOMElement)
+		} else if ( selector.nodeType ) {
+			this.context = this[0] = selector;
+			this.length = 1;
+			return this;
+
+		// HANDLE: $(function)
+		// Shortcut for document ready
+		} else if ( jQuery.isFunction( selector ) ) {
+			return typeof rootjQuery.ready !== "undefined" ?
+				rootjQuery.ready( selector ) :
+				// Execute immediately if ready is not present
+				selector( jQuery );
+		}
+
+		if ( selector.selector !== undefined ) {
+			this.selector = selector.selector;
+			this.context = selector.context;
+		}
+
+		return jQuery.makeArray( selector, this );
+	};
+
+// Give the init function the jQuery prototype for later instantiation
+init.prototype = jQuery.fn;
+
+// Initialize central reference
+rootjQuery = jQuery( document );
+
+
+var rparentsprev = /^(?:parents|prev(?:Until|All))/,
+	// methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
+
+jQuery.extend({
+	dir: function( elem, dir, until ) {
+		var matched = [],
+			truncate = until !== undefined;
+
+		while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) {
+			if ( elem.nodeType === 1 ) {
+				if ( truncate && jQuery( elem ).is( until ) ) {
+					break;
+				}
+				matched.push( elem );
+			}
+		}
+		return matched;
+	},
+
+	sibling: function( n, elem ) {
+		var matched = [];
+
+		for ( ; n; n = n.nextSibling ) {
+			if ( n.nodeType === 1 && n !== elem ) {
+				matched.push( n );
+			}
+		}
+
+		return matched;
+	}
+});
+
+jQuery.fn.extend({
+	has: function( target ) {
+		var targets = jQuery( target, this ),
+			l = targets.length;
+
+		return this.filter(function() {
+			var i = 0;
+			for ( ; i < l; i++ ) {
+				if ( jQuery.contains( this, targets[i] ) ) {
+					return true;
+				}
+			}
+		});
+	},
+
+	closest: function( selectors, context ) {
+		var cur,
+			i = 0,
+			l = this.length,
+			matched = [],
+			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
+				jQuery( selectors, context || this.context ) :
+				0;
+
+		for ( ; i < l; i++ ) {
+			for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
+				// Always skip document fragments
+				if ( cur.nodeType < 11 && (pos ?
+					pos.index(cur) > -1 :
+
+					// Don't pass non-elements to Sizzle
+					cur.nodeType === 1 &&
+						jQuery.find.matchesSelector(cur, selectors)) ) {
+
+					matched.push( cur );
+					break;
+				}
+			}
+		}
+
+		return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
+	},
+
+	// Determine the position of an element within
+	// the matched set of elements
+	index: function( elem ) {
+
+		// No argument, return index in parent
+		if ( !elem ) {
+			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
+		}
+
+		// index in selector
+		if ( typeof elem === "string" ) {
+			return indexOf.call( jQuery( elem ), this[ 0 ] );
+		}
+
+		// Locate the position of the desired element
+		return indexOf.call( this,
+
+			// If it receives a jQuery object, the first element is used
+			elem.jquery ? elem[ 0 ] : elem
+		);
+	},
+
+	add: function( selector, context ) {
+		return this.pushStack(
+			jQuery.unique(
+				jQuery.merge( this.get(), jQuery( selector, context ) )
+			)
+		);
+	},
+
+	addBack: function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter(selector)
+		);
+	}
+});
+
+function sibling( cur, dir ) {
+	while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {}
+	return cur;
+}
+
+jQuery.each({
+	parent: function( elem ) {
+		var parent = elem.parentNode;
+		return parent && parent.nodeType !== 11 ? parent : null;
+	},
+	parents: function( elem ) {
+		return jQuery.dir( elem, "parentNode" );
+	},
+	parentsUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "parentNode", until );
+	},
+	next: function( elem ) {
+		return sibling( elem, "nextSibling" );
+	},
+	prev: function( elem ) {
+		return sibling( elem, "previousSibling" );
+	},
+	nextAll: function( elem ) {
+		return jQuery.dir( elem, "nextSibling" );
+	},
+	prevAll: function( elem ) {
+		return jQuery.dir( elem, "previousSibling" );
+	},
+	nextUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "nextSibling", until );
+	},
+	prevUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "previousSibling", until );
+	},
+	siblings: function( elem ) {
+		return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
+	},
+	children: function( elem ) {
+		return jQuery.sibling( elem.firstChild );
+	},
+	contents: function( elem ) {
+		return elem.contentDocument || jQuery.merge( [], elem.childNodes );
+	}
+}, function( name, fn ) {
+	jQuery.fn[ name ] = function( until, selector ) {
+		var matched = jQuery.map( this, fn, until );
+
+		if ( name.slice( -5 ) !== "Until" ) {
+			selector = until;
+		}
+
+		if ( selector && typeof selector === "string" ) {
+			matched = jQuery.filter( selector, matched );
+		}
+
+		if ( this.length > 1 ) {
+			// Remove duplicates
+			if ( !guaranteedUnique[ name ] ) {
+				jQuery.unique( matched );
+			}
+
+			// Reverse order for parents* and prev-derivatives
+			if ( rparentsprev.test( name ) ) {
+				matched.reverse();
+			}
+		}
+
+		return this.pushStack( matched );
+	};
+});
+var rnotwhite = (/\S+/g);
+
+
+
+// String to Object options format cache
+var optionsCache = {};
+
+// Convert String-formatted options into Object-formatted ones and store in cache
+function createOptions( options ) {
+	var object = optionsCache[ options ] = {};
+	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
+		object[ flag ] = true;
+	});
+	return object;
+}
+
+/*
+ * Create a callback list using the following parameters:
+ *
+ *	options: an optional list of space-separated options that will change how
+ *			the callback list behaves or a more traditional option object
+ *
+ * By default a callback list will act like an event callback list and can be
+ * "fired" multiple times.
+ *
+ * Possible options:
+ *
+ *	once:			will ensure the callback list can only be fired once (like a Deferred)
+ *
+ *	memory:			will keep track of previous values and will call any callback added
+ *					after the list has been fired right away with the latest "memorized"
+ *					values (like a Deferred)
+ *
+ *	unique:			will ensure a callback can only be added once (no duplicate in the list)
+ *
+ *	stopOnFalse:	interrupt callings when a callback returns false
+ *
+ */
+jQuery.Callbacks = function( options ) {
+
+	// Convert options from String-formatted to Object-formatted if needed
+	// (we check in cache first)
+	options = typeof options === "string" ?
+		( optionsCache[ options ] || createOptions( options ) ) :
+		jQuery.extend( {}, options );
+
+	var // Last fire value (for non-forgettable lists)
+		memory,
+		// Flag to know if list was already fired
+		fired,
+		// Flag to know if list is currently firing
+		firing,
+		// First callback to fire (used internally by add and fireWith)
+		firingStart,
+		// End of the loop when firing
+		firingLength,
+		// Index of currently firing callback (modified by remove if needed)
+		firingIndex,
+		// Actual callback list
+		list = [],
+		// Stack of fire calls for repeatable lists
+		stack = !options.once && [],
+		// Fire callbacks
+		fire = function( data ) {
+			memory = options.memory && data;
+			fired = true;
+			firingIndex = firingStart || 0;
+			firingStart = 0;
+			firingLength = list.length;
+			firing = true;
+			for ( ; list && firingIndex < firingLength; firingIndex++ ) {
+				if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
+					memory = false; // To prevent further calls using add
+					break;
+				}
+			}
+			firing = false;
+			if ( list ) {
+				if ( stack ) {
+					if ( stack.length ) {
+						fire( stack.shift() );
+					}
+				} else if ( memory ) {
+					list = [];
+				} else {
+					self.disable();
+				}
+			}
+		},
+		// Actual Callbacks object
+		self = {
+			// Add a callback or a collection of callbacks to the list
+			add: function() {
+				if ( list ) {
+					// First, we save the current length
+					var start = list.length;
+					(function add( args ) {
+						jQuery.each( args, function( _, arg ) {
+							var type = jQuery.type( arg );
+							if ( type === "function" ) {
+								if ( !options.unique || !self.has( arg ) ) {
+									list.push( arg );
+								}
+							} else if ( arg && arg.length && type !== "string" ) {
+								// Inspect recursively
+								add( arg );
+							}
+						});
+					})( arguments );
+					// Do we need to add the callbacks to the
+					// current firing batch?
+					if ( firing ) {
+						firingLength = list.length;
+					// With memory, if we're not firing then
+					// we should call right away
+					} else if ( memory ) {
+						firingStart = start;
+						fire( memory );
+					}
+				}
+				return this;
+			},
+			// Remove a callback from the list
+			remove: function() {
+				if ( list ) {
+					jQuery.each( arguments, function( _, arg ) {
+						var index;
+						while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
+							list.splice( index, 1 );
+							// Handle firing indexes
+							if ( firing ) {
+								if ( index <= firingLength ) {
+									firingLength--;
+								}
+								if ( index <= firingIndex ) {
+									firingIndex--;
+								}
+							}
+						}
+					});
+				}
+				return this;
+			},
+			// Check if a given callback is in the list.
+			// If no argument is given, return whether or not list has callbacks attached.
+			has: function( fn ) {
+				return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
+			},
+			// Remove all callbacks from the list
+			empty: function() {
+				list = [];
+				firingLength = 0;
+				return this;
+			},
+			// Have the list do nothing anymore
+			disable: function() {
+				list = stack = memory = undefined;
+				return this;
+			},
+			// Is it disabled?
+			disabled: function() {
+				return !list;
+			},
+			// Lock the list in its current state
+			lock: function() {
+				stack = undefined;
+				if ( !memory ) {
+					self.disable();
+				}
+				return this;
+			},
+			// Is it locked?
+			locked: function() {
+				return !stack;
+			},
+			// Call all callbacks with the given context and arguments
+			fireWith: function( context, args ) {
+				if ( list && ( !fired || stack ) ) {
+					args = args || [];
+					args = [ context, args.slice ? args.slice() : args ];
+					if ( firing ) {
+						stack.push( args );
+					} else {
+						fire( args );
+					}
+				}
+				return this;
+			},
+			// Call all the callbacks with the given arguments
+			fire: function() {
+				self.fireWith( this, arguments );
+				return this;
+			},
+			// To know if the callbacks have already been called at least once
+			fired: function() {
+				return !!fired;
+			}
+		};
+
+	return self;
+};
+
+
+jQuery.extend({
+
+	Deferred: function( func ) {
+		var tuples = [
+				// action, add listener, listener list, final state
+				[ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
+				[ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
+				[ "notify", "progress", jQuery.Callbacks("memory") ]
+			],
+			state = "pending",
+			promise = {
+				state: function() {
+					return state;
+				},
+				always: function() {
+					deferred.done( arguments ).fail( arguments );
+					return this;
+				},
+				then: function( /* fnDone, fnFail, fnProgress */ ) {
+					var fns = arguments;
+					return jQuery.Deferred(function( newDefer ) {
+						jQuery.each( tuples, function( i, tuple ) {
+							var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
+							// deferred[ done | fail | progress ] for forwarding actions to newDefer
+							deferred[ tuple[1] ](function() {
+								var returned = fn && fn.apply( this, arguments );
+								if ( returned && jQuery.isFunction( returned.promise ) ) {
+									returned.promise()
+										.done( newDefer.resolve )
+										.fail( newDefer.reject )
+										.progress( newDefer.notify );
+								} else {
+									newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
+								}
+							});
+						});
+						fns = null;
+					}).promise();
+				},
+				// Get a promise for this deferred
+				// If obj is provided, the promise aspect is added to the object
+				promise: function( obj ) {
+					return obj != null ? jQuery.extend( obj, promise ) : promise;
+				}
+			},
+			deferred = {};
+
+		// Keep pipe for back-compat
+		promise.pipe = promise.then;
+
+		// Add list-specific methods
+		jQuery.each( tuples, function( i, tuple ) {
+			var list = tuple[ 2 ],
+				stateString = tuple[ 3 ];
+
+			// promise[ done | fail | progress ] = list.add
+			promise[ tuple[1] ] = list.add;
+
+			// Handle state
+			if ( stateString ) {
+				list.add(function() {
+					// state = [ resolved | rejected ]
+					state = stateString;
+
+				// [ reject_list | resolve_list ].disable; progress_list.lock
+				}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
+			}
+
+			// deferred[ resolve | reject | notify ]
+			deferred[ tuple[0] ] = function() {
+				deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
+				return this;
+			};
+			deferred[ tuple[0] + "With" ] = list.fireWith;
+		});
+
+		// Make the deferred a promise
+		promise.promise( deferred );
+
+		// Call given func if any
+		if ( func ) {
+			func.call( deferred, deferred );
+		}
+
+		// All done!
+		return deferred;
+	},
+
+	// Deferred helper
+	when: function( subordinate /* , ..., subordinateN */ ) {
+		var i = 0,
+			resolveValues = slice.call( arguments ),
+			length = resolveValues.length,
+
+			// the count of uncompleted subordinates
+			remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
+
+			// the master Deferred. If resolveValues consist of only a single Deferred, just use that.
+			deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
+
+			// Update function for both resolve and progress values
+			updateFunc = function( i, contexts, values ) {
+				return function( value ) {
+					contexts[ i ] = this;
+					values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
+					if ( values === progressValues ) {
+						deferred.notifyWith( contexts, values );
+					} else if ( !( --remaining ) ) {
+						deferred.resolveWith( contexts, values );
+					}
+				};
+			},
+
+			progressValues, progressContexts, resolveContexts;
+
+		// add listeners to Deferred subordinates; treat others as resolved
+		if ( length > 1 ) {
+			progressValues = new Array( length );
+			progressContexts = new Array( length );
+			resolveContexts = new Array( length );
+			for ( ; i < length; i++ ) {
+				if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
+					resolveValues[ i ].promise()
+						.done( updateFunc( i, resolveContexts, resolveValues ) )
+						.fail( deferred.reject )
+						.progress( updateFunc( i, progressContexts, progressValues ) );
+				} else {
+					--remaining;
+				}
+			}
+		}
+
+		// if we're not waiting on anything, resolve the master
+		if ( !remaining ) {
+			deferred.resolveWith( resolveContexts, resolveValues );
+		}
+
+		return deferred.promise();
+	}
+});
+
+
+// The deferred used on DOM ready
+var readyList;
+
+jQuery.fn.ready = function( fn ) {
+	// Add the callback
+	jQuery.ready.promise().done( fn );
+
+	return this;
+};
+
+jQuery.extend({
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
+
+	// A counter to track how many items to wait for before
+	// the ready event fires. See #6781
+	readyWait: 1,
+
+	// Hold (or release) the ready event
+	holdReady: function( hold ) {
+		if ( hold ) {
+			jQuery.readyWait++;
+		} else {
+			jQuery.ready( true );
+		}
+	},
+
+	// Handle when the DOM is ready
+	ready: function( wait ) {
+
+		// Abort if there are pending holds or we're already ready
+		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
+			return;
+		}
+
+		// Remember that the DOM is ready
+		jQuery.isReady = true;
+
+		// If a normal DOM Ready event fired, decrement, and wait if need be
+		if ( wait !== true && --jQuery.readyWait > 0 ) {
+			return;
+		}
+
+		// If there are functions bound, to execute
+		readyList.resolveWith( document, [ jQuery ] );
+
+		// Trigger any bound ready events
+		if ( jQuery.fn.trigger ) {
+			jQuery( document ).trigger("ready").off("ready");
+		}
+	}
+});
+
+/**
+ * The ready event handler and self cleanup method
+ */
+function completed() {
+	document.removeEventListener( "DOMContentLoaded", completed, false );
+	window.removeEventListener( "load", completed, false );
+	jQuery.ready();
+}
+
+jQuery.ready.promise = function( obj ) {
+	if ( !readyList ) {
+
+		readyList = jQuery.Deferred();
+
+		// Catch cases where $(document).ready() is called after the browser event has already occurred.
+		// we once tried to use readyState "interactive" here, but it caused issues like the one
+		// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
+		if ( document.readyState === "complete" ) {
+			// Handle it asynchronously to allow scripts the opportunity to delay ready
+			setTimeout( jQuery.ready );
+
+		} else {
+
+			// Use the handy event callback
+			document.addEventListener( "DOMContentLoaded", completed, false );
+
+			// A fallback to window.onload, that will always work
+			window.addEventListener( "load", completed, false );
+		}
+	}
+	return readyList.promise( obj );
+};
+
+// Kick off the DOM ready check even if the user does not
+jQuery.ready.promise();
+
+
+
+
+// Multifunctional method to get and set values of a collection
+// The value/s can optionally be executed if it's a function
+var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
+	var i = 0,
+		len = elems.length,
+		bulk = key == null;
+
+	// Sets many values
+	if ( jQuery.type( key ) === "object" ) {
+		chainable = true;
+		for ( i in key ) {
+			jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
+		}
+
+	// Sets one value
+	} else if ( value !== undefined ) {
+		chainable = true;
+
+		if ( !jQuery.isFunction( value ) ) {
+			raw = true;
+		}
+
+		if ( bulk ) {
+			// Bulk operations run against the entire set
+			if ( raw ) {
+				fn.call( elems, value );
+				fn = null;
+
+			// ...except when executing function values
+			} else {
+				bulk = fn;
+				fn = function( elem, key, value ) {
+					return bulk.call( jQuery( elem ), value );
+				};
+			}
+		}
+
+		if ( fn ) {
+			for ( ; i < len; i++ ) {
+				fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
+			}
+		}
+	}
+
+	return chainable ?
+		elems :
+
+		// Gets
+		bulk ?
+			fn.call( elems ) :
+			len ? fn( elems[0], key ) : emptyGet;
+};
+
+
+/**
+ * Determines whether an object can have data
+ */
+jQuery.acceptData = function( owner ) {
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	/* jshint -W018 */
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
+};
+
+
+function Data() {
+	// Support: Android < 4,
+	// Old WebKit does not have Object.preventExtensions/freeze method,
+	// return new empty object instead with no [[set]] accessor
+	Object.defineProperty( this.cache = {}, 0, {
+		get: function() {
+			return {};
+		}
+	});
+
+	this.expando = jQuery.expando + Math.random();
+}
+
+Data.uid = 1;
+Data.accepts = jQuery.acceptData;
+
+Data.prototype = {
+	key: function( owner ) {
+		// We can accept data for non-element nodes in modern browsers,
+		// but we should not, see #8335.
+		// Always return the key for a frozen object.
+		if ( !Data.accepts( owner ) ) {
+			return 0;
+		}
+
+		var descriptor = {},
+			// Check if the owner object already has a cache key
+			unlock = owner[ this.expando ];
+
+		// If not, create one
+		if ( !unlock ) {
+			unlock = Data.uid++;
+
+			// Secure it in a non-enumerable, non-writable property
+			try {
+				descriptor[ this.expando ] = { value: unlock };
+				Object.defineProperties( owner, descriptor );
+
+			// Support: Android < 4
+			// Fallback to a less secure definition
+			} catch ( e ) {
+				descriptor[ this.expando ] = unlock;
+				jQuery.extend( owner, descriptor );
+			}
+		}
+
+		// Ensure the cache object
+		if ( !this.cache[ unlock ] ) {
+			this.cache[ unlock ] = {};
+		}
+
+		return unlock;
+	},
+	set: function( owner, data, value ) {
+		var prop,
+			// There may be an unlock assigned to this node,
+			// if there is no entry for this "owner", create one inline
+			// and set the unlock as though an owner entry had always existed
+			unlock = this.key( owner ),
+			cache = this.cache[ unlock ];
+
+		// Handle: [ owner, key, value ] args
+		if ( typeof data === "string" ) {
+			cache[ data ] = value;
+
+		// Handle: [ owner, { properties } ] args
+		} else {
+			// Fresh assignments by object are shallow copied
+			if ( jQuery.isEmptyObject( cache ) ) {
+				jQuery.extend( this.cache[ unlock ], data );
+			// Otherwise, copy the properties one-by-one to the cache object
+			} else {
+				for ( prop in data ) {
+					cache[ prop ] = data[ prop ];
+				}
+			}
+		}
+		return cache;
+	},
+	get: function( owner, key ) {
+		// Either a valid cache is found, or will be created.
+		// New caches will be created and the unlock returned,
+		// allowing direct access to the newly created
+		// empty data object. A valid owner object must be provided.
+		var cache = this.cache[ this.key( owner ) ];
+
+		return key === undefined ?
+			cache : cache[ key ];
+	},
+	access: function( owner, key, value ) {
+		var stored;
+		// In cases where either:
+		//
+		//   1. No key was specified
+		//   2. A string key was specified, but no value provided
+		//
+		// Take the "read" path and allow the get method to determine
+		// which value to return, respectively either:
+		//
+		//   1. The entire cache object
+		//   2. The data stored at the key
+		//
+		if ( key === undefined ||
+				((key && typeof key === "string") && value === undefined) ) {
+
+			stored = this.get( owner, key );
+
+			return stored !== undefined ?
+				stored : this.get( owner, jQuery.camelCase(key) );
+		}
+
+		// [*]When the key is not a string, or both a key and value
+		// are specified, set or extend (existing objects) with either:
+		//
+		//   1. An object of properties
+		//   2. A key and value
+		//
+		this.set( owner, key, value );
+
+		// Since the "set" path can have two possible entry points
+		// return the expected data based on which path was taken[*]
+		return value !== undefined ? value : key;
+	},
+	remove: function( owner, key ) {
+		var i, name, camel,
+			unlock = this.key( owner ),
+			cache = this.cache[ unlock ];
+
+		if ( key === undefined ) {
+			this.cache[ unlock ] = {};
+
+		} else {
+			// Support array or space separated string of keys
+			if ( jQuery.isArray( key ) ) {
+				// If "name" is an array of keys...
+				// When data is initially created, via ("key", "val") signature,
+				// keys will be converted to camelCase.
+				// Since there is no way to tell _how_ a key was added, remove
+				// both plain key and camelCase key. #12786
+				// This will only penalize the array argument path.
+				name = key.concat( key.map( jQuery.camelCase ) );
+			} else {
+				camel = jQuery.camelCase( key );
+				// Try the string as a key before any manipulation
+				if ( key in cache ) {
+					name = [ key, camel ];
+				} else {
+					// If a key with the spaces exists, use it.
+					// Otherwise, create an array by matching non-whitespace
+					name = camel;
+					name = name in cache ?
+						[ name ] : ( name.match( rnotwhite ) || [] );
+				}
+			}
+
+			i = name.length;
+			while ( i-- ) {
+				delete cache[ name[ i ] ];
+			}
+		}
+	},
+	hasData: function( owner ) {
+		return !jQuery.isEmptyObject(
+			this.cache[ owner[ this.expando ] ] || {}
+		);
+	},
+	discard: function( owner ) {
+		if ( owner[ this.expando ] ) {
+			delete this.cache[ owner[ this.expando ] ];
+		}
+	}
+};
+var data_priv = new Data();
+
+var data_user = new Data();
+
+
+
+/*
+	Implementation Summary
+
+	1. Enforce API surface and semantic compatibility with 1.9.x branch
+	2. Improve the module's maintainability by reducing the storage
+		paths to a single mechanism.
+	3. Use the same single mechanism to support "private" and "user" data.
+	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
+	5. Avoid exposing implementation details on user objects (eg. expando properties)
+	6. Provide a clear path for implementation upgrade to WeakMap in 2014
+*/
+var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
+	rmultiDash = /([A-Z])/g;
+
+function dataAttr( elem, key, data ) {
+	var name;
+
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
+		data = elem.getAttribute( name );
+
+		if ( typeof data === "string" ) {
+			try {
+				data = data === "true" ? true :
+					data === "false" ? false :
+					data === "null" ? null :
+					// Only convert to a number if it doesn't change the string
+					+data + "" === data ? +data :
+					rbrace.test( data ) ? jQuery.parseJSON( data ) :
+					data;
+			} catch( e ) {}
+
+			// Make sure we set the data so it isn't changed later
+			data_user.set( elem, key, data );
+		} else {
+			data = undefined;
+		}
+	}
+	return data;
+}
+
+jQuery.extend({
+	hasData: function( elem ) {
+		return data_user.hasData( elem ) || data_priv.hasData( elem );
+	},
+
+	data: function( elem, name, data ) {
+		return data_user.access( elem, name, data );
+	},
+
+	removeData: function( elem, name ) {
+		data_user.remove( elem, name );
+	},
+
+	// TODO: Now that all calls to _data and _removeData have been replaced
+	// with direct calls to data_priv methods, these can be deprecated.
+	_data: function( elem, name, data ) {
+		return data_priv.access( elem, name, data );
+	},
+
+	_removeData: function( elem, name ) {
+		data_priv.remove( elem, name );
+	}
+});
+
+jQuery.fn.extend({
+	data: function( key, value ) {
+		var i, name, data,
+			elem = this[ 0 ],
+			attrs = elem && elem.attributes;
+
+		// Gets all values
+		if ( key === undefined ) {
+			if ( this.length ) {
+				data = data_user.get( elem );
+
+				if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) {
+					i = attrs.length;
+					while ( i-- ) {
+						name = attrs[ i ].name;
+
+						if ( name.indexOf( "data-" ) === 0 ) {
+							name = jQuery.camelCase( name.slice(5) );
+							dataAttr( elem, name, data[ name ] );
+						}
+					}
+					data_priv.set( elem, "hasDataAttrs", true );
+				}
+			}
+
+			return data;
+		}
+
+		// Sets multiple values
+		if ( typeof key === "object" ) {
+			return this.each(function() {
+				data_user.set( this, key );
+			});
+		}
+
+		return access( this, function( value ) {
+			var data,
+				camelKey = jQuery.camelCase( key );
+
+			// The calling jQuery object (element matches) is not empty
+			// (and therefore has an element appears at this[ 0 ]) and the
+			// `value` parameter was not undefined. An empty jQuery object
+			// will result in `undefined` for elem = this[ 0 ] which will
+			// throw an exception if an attempt to read a data cache is made.
+			if ( elem && value === undefined ) {
+				// Attempt to get data from the cache
+				// with the key as-is
+				data = data_user.get( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// Attempt to get data from the cache
+				// with the key camelized
+				data = data_user.get( elem, camelKey );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// Attempt to "discover" the data in
+				// HTML5 custom data-* attrs
+				data = dataAttr( elem, camelKey, undefined );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// We tried really hard, but the data doesn't exist.
+				return;
+			}
+
+			// Set the data...
+			this.each(function() {
+				// First, attempt to store a copy or reference of any
+				// data that might've been store with a camelCased key.
+				var data = data_user.get( this, camelKey );
+
+				// For HTML5 data-* attribute interop, we have to
+				// store property names with dashes in a camelCase form.
+				// This might not apply to all properties...*
+				data_user.set( this, camelKey, value );
+
+				// *... In the case of properties that might _actually_
+				// have dashes, we need to also store a copy of that
+				// unchanged property.
+				if ( key.indexOf("-") !== -1 && data !== undefined ) {
+					data_user.set( this, key, value );
+				}
+			});
+		}, null, value, arguments.length > 1, null, true );
+	},
+
+	removeData: function( key ) {
+		return this.each(function() {
+			data_user.remove( this, key );
+		});
+	}
+});
+
+
+jQuery.extend({
+	queue: function( elem, type, data ) {
+		var queue;
+
+		if ( elem ) {
+			type = ( type || "fx" ) + "queue";
+			queue = data_priv.get( elem, type );
+
+			// Speed up dequeue by getting out quickly if this is just a lookup
+			if ( data ) {
+				if ( !queue || jQuery.isArray( data ) ) {
+					queue = data_priv.access( elem, type, jQuery.makeArray(data) );
+				} else {
+					queue.push( data );
+				}
+			}
+			return queue || [];
+		}
+	},
+
+	dequeue: function( elem, type ) {
+		type = type || "fx";
+
+		var queue = jQuery.queue( elem, type ),
+			startLength = queue.length,
+			fn = queue.shift(),
+			hooks = jQuery._queueHooks( elem, type ),
+			next = function() {
+				jQuery.dequeue( elem, type );
+			};
+
+		// If the fx queue is dequeued, always remove the progress sentinel
+		if ( fn === "inprogress" ) {
+			fn = queue.shift();
+			startLength--;
+		}
+
+		if ( fn ) {
+
+			// Add a progress sentinel to prevent the fx queue from being
+			// automatically dequeued
+			if ( type === "fx" ) {
+				queue.unshift( "inprogress" );
+			}
+
+			// clear up the last queue stop function
+			delete hooks.stop;
+			fn.call( elem, next, hooks );
+		}
+
+		if ( !startLength && hooks ) {
+			hooks.empty.fire();
+		}
+	},
+
+	// not intended for public consumption - generates a queueHooks object, or returns the current one
+	_queueHooks: function( elem, type ) {
+		var key = type + "queueHooks";
+		return data_priv.get( elem, key ) || data_priv.access( elem, key, {
+			empty: jQuery.Callbacks("once memory").add(function() {
+				data_priv.remove( elem, [ type + "queue", key ] );
+			})
+		});
+	}
+});
+
+jQuery.fn.extend({
+	queue: function( type, data ) {
+		var setter = 2;
+
+		if ( typeof type !== "string" ) {
+			data = type;
+			type = "fx";
+			setter--;
+		}
+
+		if ( arguments.length < setter ) {
+			return jQuery.queue( this[0], type );
+		}
+
+		return data === undefined ?
+			this :
+			this.each(function() {
+				var queue = jQuery.queue( this, type, data );
+
+				// ensure a hooks for this queue
+				jQuery._queueHooks( this, type );
+
+				if ( type === "fx" && queue[0] !== "inprogress" ) {
+					jQuery.dequeue( this, type );
+				}
+			});
+	},
+	dequeue: function( type ) {
+		return this.each(function() {
+			jQuery.dequeue( this, type );
+		});
+	},
+	clearQueue: function( type ) {
+		return this.queue( type || "fx", [] );
+	},
+	// Get a promise resolved when queues of a certain type
+	// are emptied (fx is the type by default)
+	promise: function( type, obj ) {
+		var tmp,
+			count = 1,
+			defer = jQuery.Deferred(),
+			elements = this,
+			i = this.length,
+			resolve = function() {
+				if ( !( --count ) ) {
+					defer.resolveWith( elements, [ elements ] );
+				}
+			};
+
+		if ( typeof type !== "string" ) {
+			obj = type;
+			type = undefined;
+		}
+		type = type || "fx";
+
+		while ( i-- ) {
+			tmp = data_priv.get( elements[ i ], type + "queueHooks" );
+			if ( tmp && tmp.empty ) {
+				count++;
+				tmp.empty.add( resolve );
+			}
+		}
+		resolve();
+		return defer.promise( obj );
+	}
+});
+var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
+
+var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
+
+var isHidden = function( elem, el ) {
+		// isHidden might be called from jQuery#filter function;
+		// in that case, element will be second argument
+		elem = el || elem;
+		return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
+	};
+
+var rcheckableType = (/^(?:checkbox|radio)$/i);
+
+
+
+(function() {
+	var fragment = document.createDocumentFragment(),
+		div = fragment.appendChild( document.createElement( "div" ) );
+
+	// #11217 - WebKit loses check when the name is after the checked attribute
+	div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
+
+	// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
+	// old WebKit doesn't clone checked state correctly in fragments
+	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
+
+	// Make sure textarea (and checkbox) defaultValue is properly cloned
+	// Support: IE9-IE11+
+	div.innerHTML = "<textarea>x</textarea>";
+	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
+})();
+var strundefined = typeof undefined;
+
+
+
+support.focusinBubbles = "onfocusin" in window;
+
+
+var
+	rkeyEvent = /^key/,
+	rmouseEvent = /^(?:mouse|contextmenu)|click/,
+	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
+	rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
+
+function returnTrue() {
+	return true;
+}
+
+function returnFalse() {
+	return false;
+}
+
+function safeActiveElement() {
+	try {
+		return document.activeElement;
+	} catch ( err ) { }
+}
+
+/*
+ * Helper functions for managing events -- not part of the public interface.
+ * Props to Dean Edwards' addEvent library for many of the ideas.
+ */
+jQuery.event = {
+
+	global: {},
+
+	add: function( elem, types, handler, data, selector ) {
+
+		var handleObjIn, eventHandle, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = data_priv.get( elem );
+
+		// Don't attach events to noData or text/comment nodes (but allow plain objects)
+		if ( !elemData ) {
+			return;
+		}
+
+		// Caller can pass in an object of custom data in lieu of the handler
+		if ( handler.handler ) {
+			handleObjIn = handler;
+			handler = handleObjIn.handler;
+			selector = handleObjIn.selector;
+		}
+
+		// Make sure that the handler has a unique ID, used to find/remove it later
+		if ( !handler.guid ) {
+			handler.guid = jQuery.guid++;
+		}
+
+		// Init the element's event structure and main handler, if this is the first
+		if ( !(events = elemData.events) ) {
+			events = elemData.events = {};
+		}
+		if ( !(eventHandle = elemData.handle) ) {
+			eventHandle = elemData.handle = function( e ) {
+				// Discard the second event of a jQuery.event.trigger() and
+				// when an event is called after a page has unloaded
+				return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ?
+					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
+			};
+		}
+
+		// Handle multiple events separated by a space
+		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[t] ) || [];
+			type = origType = tmp[1];
+			namespaces = ( tmp[2] || "" ).split( "." ).sort();
+
+			// There *must* be a type, no attaching namespace-only handlers
+			if ( !type ) {
+				continue;
+			}
+
+			// If event changes its type, use the special event handlers for the changed type
+			special = jQuery.event.special[ type ] || {};
+
+			// If selector defined, determine special event api type, otherwise given type
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+
+			// Update special based on newly reset type
+			special = jQuery.event.special[ type ] || {};
+
+			// handleObj is passed to all event handlers
+			handleObj = jQuery.extend({
+				type: type,
+				origType: origType,
+				data: data,
+				handler: handler,
+				guid: handler.guid,
+				selector: selector,
+				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
+				namespace: namespaces.join(".")
+			}, handleObjIn );
+
+			// Init the event handler queue if we're the first
+			if ( !(handlers = events[ type ]) ) {
+				handlers = events[ type ] = [];
+				handlers.delegateCount = 0;
+
+				// Only use addEventListener if the special events handler returns false
+				if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
+					if ( elem.addEventListener ) {
+						elem.addEventListener( type, eventHandle, false );
+					}
+				}
+			}
+
+			if ( special.add ) {
+				special.add.call( elem, handleObj );
+
+				if ( !handleObj.handler.guid ) {
+					handleObj.handler.guid = handler.guid;
+				}
+			}
+
+			// Add to the element's handler list, delegates in front
+			if ( selector ) {
+				handlers.splice( handlers.delegateCount++, 0, handleObj );
+			} else {
+				handlers.push( handleObj );
+			}
+
+			// Keep track of which events have ever been used, for event optimization
+			jQuery.event.global[ type ] = true;
+		}
+
+	},
+
+	// Detach an event or set of events from an element
+	remove: function( elem, types, handler, selector, mappedTypes ) {
+
+		var j, origCount, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = data_priv.hasData( elem ) && data_priv.get( elem );
+
+		if ( !elemData || !(events = elemData.events) ) {
+			return;
+		}
+
+		// Once for each type.namespace in types; type may be omitted
+		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[t] ) || [];
+			type = origType = tmp[1];
+			namespaces = ( tmp[2] || "" ).split( "." ).sort();
+
+			// Unbind all events (on this namespace, if provided) for the element
+			if ( !type ) {
+				for ( type in events ) {
+					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
+				}
+				continue;
+			}
+
+			special = jQuery.event.special[ type ] || {};
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+			handlers = events[ type ] || [];
+			tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
+
+			// Remove matching events
+			origCount = j = handlers.length;
+			while ( j-- ) {
+				handleObj = handlers[ j ];
+
+				if ( ( mappedTypes || origType === handleObj.origType ) &&
+					( !handler || handler.guid === handleObj.guid ) &&
+					( !tmp || tmp.test( handleObj.namespace ) ) &&
+					( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
+					handlers.splice( j, 1 );
+
+					if ( handleObj.selector ) {
+						handlers.delegateCount--;
+					}
+					if ( special.remove ) {
+						special.remove.call( elem, handleObj );
+					}
+				}
+			}
+
+			// Remove generic event handler if we removed something and no more handlers exist
+			// (avoids potential for endless recursion during removal of special event handlers)
+			if ( origCount && !handlers.length ) {
+				if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
+					jQuery.removeEvent( elem, type, elemData.handle );
+				}
+
+				delete events[ type ];
+			}
+		}
+
+		// Remove the expando if it's no longer used
+		if ( jQuery.isEmptyObject( events ) ) {
+			delete elemData.handle;
+			data_priv.remove( elem, "events" );
+		}
+	},
+
+	trigger: function( event, data, elem, onlyHandlers ) {
+
+		var i, cur, tmp, bubbleType, ontype, handle, special,
+			eventPath = [ elem || document ],
+			type = Object.prototype.hasOwnProperty.call( event, "type" ) ? event.type : event,
+			namespaces = Object.prototype.hasOwnProperty.call( event, "namespace" ) ? event.namespace.split(".") : [];
+
+		cur = tmp = elem = elem || document;
+
+		// Don't do events on text and comment nodes
+		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+			return;
+		}
+
+		// focus/blur morphs to focusin/out; ensure we're not firing them right now
+		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
+			return;
+		}
+
+		if ( type.indexOf(".") >= 0 ) {
+			// Namespaced trigger; create a regexp to match event type in handle()
+			namespaces = type.split(".");
+			type = namespaces.shift();
+			namespaces.sort();
+		}
+		ontype = type.indexOf(":") < 0 && "on" + type;
+
+		// Caller can pass in a jQuery.Event object, Object, or just an event type string
+		event = event[ jQuery.expando ] ?
+			event :
+			new jQuery.Event( type, typeof event === "object" && event );
+
+		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
+		event.isTrigger = onlyHandlers ? 2 : 3;
+		event.namespace = namespaces.join(".");
+		event.namespace_re = event.namespace ?
+			new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
+			null;
+
+		// Clean up the event in case it is being reused
+		event.result = undefined;
+		if ( !event.target ) {
+			event.target = elem;
+		}
+
+		// Clone any incoming data and prepend the event, creating the handler arg list
+		data = data == null ?
+			[ event ] :
+			jQuery.makeArray( data, [ event ] );
+
+		// Allow special events to draw outside the lines
+		special = jQuery.event.special[ type ] || {};
+		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
+			return;
+		}
+
+		// Determine event propagation path in advance, per W3C events spec (#9951)
+		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+		if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
+
+			bubbleType = special.delegateType || type;
+			if ( !rfocusMorph.test( bubbleType + type ) ) {
+				cur = cur.parentNode;
+			}
+			for ( ; cur; cur = cur.parentNode ) {
+				eventPath.push( cur );
+				tmp = cur;
+			}
+
+			// Only add window if we got to document (e.g., not plain obj or detached DOM)
+			if ( tmp === (elem.ownerDocument || document) ) {
+				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
+			}
+		}
+
+		// Fire handlers on the event path
+		i = 0;
+		while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
+
+			event.type = i > 1 ?
+				bubbleType :
+				special.bindType || type;
+
+			// jQuery handler
+			handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" );
+			if ( handle ) {
+				handle.apply( cur, data );
+			}
+
+			// Native handler
+			handle = ontype && cur[ ontype ];
+			if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
+				event.result = handle.apply( cur, data );
+				if ( event.result === false ) {
+					event.preventDefault();
+				}
+			}
+		}
+		event.type = type;
+
+		// If nobody prevented the default action, do it now
+		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
+
+			if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
+				jQuery.acceptData( elem ) ) {
+
+				// Call a native DOM method on the target with the same name name as the event.
+				// Don't do default actions on window, that's where global variables be (#6170)
+				if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
+
+					// Don't re-trigger an onFOO event when we call its FOO() method
+					tmp = elem[ ontype ];
+
+					if ( tmp ) {
+						elem[ ontype ] = null;
+					}
+
+					// Prevent re-triggering of the same event, since we already bubbled it above
+					jQuery.event.triggered = type;
+					elem[ type ]();
+					jQuery.event.triggered = undefined;
+
+					if ( tmp ) {
+						elem[ ontype ] = tmp;
+					}
+				}
+			}
+		}
+
+		return event.result;
+	},
+
+	dispatch: function( event ) {
+
+		// Make a writable jQuery.Event from the native event object
+		event = jQuery.event.fix( event );
+
+		var i, j, ret, matched, handleObj,
+			handlerQueue = [],
+			args = slice.call( arguments ),
+			handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [],
+			special = jQuery.event.special[ event.type ] || {};
+
+		// Use the fix-ed jQuery.Event rather than the (read-only) native event
+		args[0] = event;
+		event.delegateTarget = this;
+
+		// Call the preDispatch hook for the mapped type, and let it bail if desired
+		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
+			return;
+		}
+
+		// Determine handlers
+		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
+
+		// Run delegates first; they may want to stop propagation beneath us
+		i = 0;
+		while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
+			event.currentTarget = matched.elem;
+
+			j = 0;
+			while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
+
+				// Triggered event must either 1) have no namespace, or
+				// 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
+				if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
+
+					event.handleObj = handleObj;
+					event.data = handleObj.data;
+
+					ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
+							.apply( matched.elem, args );
+
+					if ( ret !== undefined ) {
+						if ( (event.result = ret) === false ) {
+							event.preventDefault();
+							event.stopPropagation();
+						}
+					}
+				}
+			}
+		}
+
+		// Call the postDispatch hook for the mapped type
+		if ( special.postDispatch ) {
+			special.postDispatch.call( this, event );
+		}
+
+		return event.result;
+	},
+
+	handlers: function( event, handlers ) {
+		var i, matches, sel, handleObj,
+			handlerQueue = [],
+			delegateCount = handlers.delegateCount,
+			cur = event.target;
+
+		// Find delegate handlers
+		// Black-hole SVG <use> instance trees (#13180)
+		// Avoid non-left-click bubbling in Firefox (#3861)
+		if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
+
+			for ( ; cur !== this; cur = cur.parentNode || this ) {
+
+				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
+				if ( cur.disabled !== true || event.type !== "click" ) {
+					matches = [];
+					for ( i = 0; i < delegateCount; i++ ) {
+						handleObj = handlers[ i ];
+
+						// Don't conflict with Object.prototype properties (#13203)
+						sel = handleObj.selector + " ";
+
+						if ( matches[ sel ] === undefined ) {
+							matches[ sel ] = handleObj.needsContext ?
+								jQuery( sel, this ).index( cur ) >= 0 :
+								jQuery.find( sel, this, null, [ cur ] ).length;
+						}
+						if ( matches[ sel ] ) {
+							matches.push( handleObj );
+						}
+					}
+					if ( matches.length ) {
+						handlerQueue.push({ elem: cur, handlers: matches });
+					}
+				}
+			}
+		}
+
+		// Add the remaining (directly-bound) handlers
+		if ( delegateCount < handlers.length ) {
+			handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
+		}
+
+		return handlerQueue;
+	},
+
+	// Includes some event props shared by KeyEvent and MouseEvent
+	props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
+
+	fixHooks: {},
+
+	keyHooks: {
+		props: "char charCode key keyCode".split(" "),
+		filter: function( event, original ) {
+
+			// Add which for key events
+			if ( event.which == null ) {
+				event.which = original.charCode != null ? original.charCode : original.keyCode;
+			}
+
+			return event;
+		}
+	},
+
+	mouseHooks: {
+		props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
+		filter: function( event, original ) {
+			var eventDoc, doc, body,
+				button = original.button;
+
+			// Calculate pageX/Y if missing and clientX/Y available
+			if ( event.pageX == null && original.clientX != null ) {
+				eventDoc = event.target.ownerDocument || document;
+				doc = eventDoc.documentElement;
+				body = eventDoc.body;
+
+				event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
+				event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
+			}
+
+			// Add which for click: 1 === left; 2 === middle; 3 === right
+			// Note: button is not normalized, so don't use it
+			if ( !event.which && button !== undefined ) {
+				event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
+			}
+
+			return event;
+		}
+	},
+
+	fix: function( event ) {
+		if ( event[ jQuery.expando ] ) {
+			return event;
+		}
+
+		// Create a writable copy of the event object and normalize some properties
+		var i, prop, copy,
+			type = event.type,
+			originalEvent = event,
+			fixHook = this.fixHooks[ type ];
+
+		if ( !fixHook ) {
+			this.fixHooks[ type ] = fixHook =
+				rmouseEvent.test( type ) ? this.mouseHooks :
+				rkeyEvent.test( type ) ? this.keyHooks :
+				{};
+		}
+		copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
+
+		event = new jQuery.Event( originalEvent );
+
+		i = copy.length;
+		while ( i-- ) {
+			prop = copy[ i ];
+			event[ prop ] = originalEvent[ prop ];
+		}
+
+		// Support: Cordova 2.5 (WebKit) (#13255)
+		// All events should have a target; Cordova deviceready doesn't
+		if ( !event.target ) {
+			event.target = document;
+		}
+
+		// Support: Safari 6.0+, Chrome < 28
+		// Target should not be a text node (#504, #13143)
+		if ( event.target.nodeType === 3 ) {
+			event.target = event.target.parentNode;
+		}
+
+		return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
+	},
+
+	special: {
+		load: {
+			// Prevent triggered image.load events from bubbling to window.load
+			noBubble: true
+		},
+		focus: {
+			// Fire native event if possible so blur/focus sequence is correct
+			trigger: function() {
+				if ( this !== safeActiveElement() && this.focus ) {
+					this.focus();
+					return false;
+				}
+			},
+			delegateType: "focusin"
+		},
+		blur: {
+			trigger: function() {
+				if ( this === safeActiveElement() && this.blur ) {
+					this.blur();
+					return false;
+				}
+			},
+			delegateType: "focusout"
+		},
+		click: {
+			// For checkbox, fire native event so checked state will be right
+			trigger: function() {
+				if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
+					this.click();
+					return false;
+				}
+			},
+
+			// For cross-browser consistency, don't fire native .click() on links
+			_default: function( event ) {
+				return jQuery.nodeName( event.target, "a" );
+			}
+		},
+
+		beforeunload: {
+			postDispatch: function( event ) {
+
+				// Support: Firefox 20+
+				// Firefox doesn't alert if the returnValue field is not set.
+				if ( event.result !== undefined ) {
+					event.originalEvent.returnValue = event.result;
+				}
+			}
+		}
+	},
+
+	simulate: function( type, elem, event, bubble ) {
+		// Piggyback on a donor event to simulate a different one.
+		// Fake originalEvent to avoid donor's stopPropagation, but if the
+		// simulated event prevents default then we do the same on the donor.
+		var e = jQuery.extend(
+			new jQuery.Event(),
+			event,
+			{
+				type: type,
+				isSimulated: true,
+				originalEvent: {}
+			}
+		);
+		if ( bubble ) {
+			jQuery.event.trigger( e, null, elem );
+		} else {
+			jQuery.event.dispatch.call( elem, e );
+		}
+		if ( e.isDefaultPrevented() ) {
+			event.preventDefault();
+		}
+	}
+};
+
+jQuery.removeEvent = function( elem, type, handle ) {
+	if ( elem.removeEventListener ) {
+		elem.removeEventListener( type, handle, false );
+	}
+};
+
+jQuery.Event = function( src, props ) {
+	// Allow instantiation without the 'new' keyword
+	if ( !(this instanceof jQuery.Event) ) {
+		return new jQuery.Event( src, props );
+	}
+
+	// Event object
+	if ( src && src.type ) {
+		this.originalEvent = src;
+		this.type = src.type;
+
+		// Events bubbling up the document may have been marked as prevented
+		// by a handler lower down the tree; reflect the correct value.
+		this.isDefaultPrevented = src.defaultPrevented ||
+				// Support: Android < 4.0
+				src.defaultPrevented === undefined &&
+				src.getPreventDefault && src.getPreventDefault() ?
+			returnTrue :
+			returnFalse;
+
+	// Event type
+	} else {
+		this.type = src;
+	}
+
+	// Put explicitly provided properties onto the event object
+	if ( props ) {
+		jQuery.extend( this, props );
+	}
+
+	// Create a timestamp if incoming event doesn't have one
+	this.timeStamp = src && src.timeStamp || jQuery.now();
+
+	// Mark it as fixed
+	this[ jQuery.expando ] = true;
+};
+
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+	isDefaultPrevented: returnFalse,
+	isPropagationStopped: returnFalse,
+	isImmediatePropagationStopped: returnFalse,
+
+	preventDefault: function() {
+		var e = this.originalEvent;
+
+		this.isDefaultPrevented = returnTrue;
+
+		if ( e && e.preventDefault ) {
+			e.preventDefault();
+		}
+	},
+	stopPropagation: function() {
+		var e = this.originalEvent;
+
+		this.isPropagationStopped = returnTrue;
+
+		if ( e && e.stopPropagation ) {
+			e.stopPropagation();
+		}
+	},
+	stopImmediatePropagation: function() {
+		this.isImmediatePropagationStopped = returnTrue;
+		this.stopPropagation();
+	}
+};
+
+// Create mouseenter/leave events using mouseover/out and event-time checks
+// Support: Chrome 15+
+jQuery.each({
+	mouseenter: "mouseover",
+	mouseleave: "mouseout"
+}, function( orig, fix ) {
+	jQuery.event.special[ orig ] = {
+		delegateType: fix,
+		bindType: fix,
+
+		handle: function( event ) {
+			var ret,
+				target = this,
+				related = event.relatedTarget,
+				handleObj = event.handleObj;
+
+			// For mousenter/leave call the handler if related is outside the target.
+			// NB: No relatedTarget if the mouse left/entered the browser window
+			if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
+				event.type = handleObj.origType;
+				ret = handleObj.handler.apply( this, arguments );
+				event.type = fix;
+			}
+			return ret;
+		}
+	};
+});
+
+// Create "bubbling" focus and blur events
+// Support: Firefox, Chrome, Safari
+if ( !support.focusinBubbles ) {
+	jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
+				jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
+			};
+
+		jQuery.event.special[ fix ] = {
+			setup: function() {
+				var doc = this.ownerDocument || this,
+					attaches = data_priv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
+				}
+				data_priv.access( doc, fix, ( attaches || 0 ) + 1 );
+			},
+			teardown: function() {
+				var doc = this.ownerDocument || this,
+					attaches = data_priv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					data_priv.remove( doc, fix );
+
+				} else {
+					data_priv.access( doc, fix, attaches );
+				}
+			}
+		};
+	});
+}
+
+jQuery.fn.extend({
+
+	on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
+		var origFn, type;
+
+		// Types can be a map of types/handlers
+		if ( typeof types === "object" ) {
+			// ( types-Object, selector, data )
+			if ( typeof selector !== "string" ) {
+				// ( types-Object, data )
+				data = data || selector;
+				selector = undefined;
+			}
+			for ( type in types ) {
+				this.on( type, selector, data, types[ type ], one );
+			}
+			return this;
+		}
+
+		if ( data == null && fn == null ) {
+			// ( types, fn )
+			fn = selector;
+			data = selector = undefined;
+		} else if ( fn == null ) {
+			if ( typeof selector === "string" ) {
+				// ( types, selector, fn )
+				fn = data;
+				data = undefined;
+			} else {
+				// ( types, data, fn )
+				fn = data;
+				data = selector;
+				selector = undefined;
+			}
+		}
+		if ( fn === false ) {
+			fn = returnFalse;
+		} else if ( !fn ) {
+			return this;
+		}
+
+		if ( one === 1 ) {
+			origFn = fn;
+			fn = function( event ) {
+				// Can use an empty set, since event contains the info
+				jQuery().off( event );
+				return origFn.apply( this, arguments );
+			};
+			// Use same guid so caller can remove using origFn
+			fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
+		}
+		return this.each( function() {
+			jQuery.event.add( this, types, fn, data, selector );
+		});
+	},
+	one: function( types, selector, data, fn ) {
+		return this.on( types, selector, data, fn, 1 );
+	},
+	off: function( types, selector, fn ) {
+		var handleObj, type;
+		if ( types && types.preventDefault && types.handleObj ) {
+			// ( event )  dispatched jQuery.Event
+			handleObj = types.handleObj;
+			jQuery( types.delegateTarget ).off(
+				handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
+				handleObj.selector,
+				handleObj.handler
+			);
+			return this;
+		}
+		if ( typeof types === "object" ) {
+			// ( types-object [, selector] )
+			for ( type in types ) {
+				this.off( type, selector, types[ type ] );
+			}
+			return this;
+		}
+		if ( selector === false || typeof selector === "function" ) {
+			// ( types [, fn] )
+			fn = selector;
+			selector = undefined;
+		}
+		if ( fn === false ) {
+			fn = returnFalse;
+		}
+		return this.each(function() {
+			jQuery.event.remove( this, types, fn, selector );
+		});
+	},
+
+	trigger: function( type, data ) {
+		return this.each(function() {
+			jQuery.event.trigger( type, data, this );
+		});
+	},
+	triggerHandler: function( type, data ) {
+		var elem = this[0];
+		if ( elem ) {
+			return jQuery.event.trigger( type, data, elem, true );
+		}
+	}
+});
+
+
+var
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
+	rtagName = /<([\w:]+)/,
+	rhtml = /<|&#?\w+;/,
+	rnoInnerhtml = /<(?:script|style|link)/i,
+	// checked="checked" or checked
+	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
+	rscriptType = /^$|\/(?:java|ecma)script/i,
+	rscriptTypeMasked = /^true\/(.*)/,
+	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
+
+	// We have to close these tags to support XHTML (#13200)
+	wrapMap = {
+
+		// Support: IE 9
+		option: [ 1, "<select multiple='multiple'>", "</select>" ],
+
+		thead: [ 1, "<table>", "</table>" ],
+		col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
+		tr: [ 2, "<table><tbody>", "</tbody></table>" ],
+		td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
+
+		_default: [ 0, "", "" ]
+	};
+
+// Support: IE 9
+wrapMap.optgroup = wrapMap.option;
+
+wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
+wrapMap.th = wrapMap.td;
+
+// Support: 1.x compatibility
+// Manipulating tables requires a tbody
+function manipulationTarget( elem, content ) {
+	return jQuery.nodeName( elem, "table" ) &&
+		jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
+
+		elem.getElementsByTagName("tbody")[0] ||
+			elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
+		elem;
+}
+
+// Replace/restore the type attribute of script elements for safe DOM manipulation
+function disableScript( elem ) {
+	elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
+	return elem;
+}
+function restoreScript( elem ) {
+	var match = rscriptTypeMasked.exec( elem.type );
+
+	if ( match ) {
+		elem.type = match[ 1 ];
+	} else {
+		elem.removeAttribute("type");
+	}
+
+	return elem;
+}
+
+// Mark scripts as having already been evaluated
+function setGlobalEval( elems, refElements ) {
+	var i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		data_priv.set(
+			elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" )
+		);
+	}
+}
+
+function cloneCopyEvent( src, dest ) {
+	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
+
+	if ( dest.nodeType !== 1 ) {
+		return;
+	}
+
+	// 1. Copy private data: events, handlers, etc.
+	if ( data_priv.hasData( src ) ) {
+		pdataOld = data_priv.access( src );
+		pdataCur = data_priv.set( dest, pdataOld );
+		events = pdataOld.events;
+
+		if ( events ) {
+			delete pdataCur.handle;
+			pdataCur.events = {};
+
+			for ( type in events ) {
+				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
+					jQuery.event.add( dest, type, events[ type ][ i ] );
+				}
+			}
+		}
+	}
+
+	// 2. Copy user data
+	if ( data_user.hasData( src ) ) {
+		udataOld = data_user.access( src );
+		udataCur = jQuery.extend( {}, udataOld );
+
+		data_user.set( dest, udataCur );
+	}
+}
+
+function getAll( context, tag ) {
+	var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) :
+			context.querySelectorAll ? context.querySelectorAll( tag || "*" ) :
+			[];
+
+	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
+		jQuery.merge( [ context ], ret ) :
+		ret;
+}
+
+// Support: IE >= 9
+function fixInput( src, dest ) {
+	var nodeName = dest.nodeName.toLowerCase();
+
+	// Fails to persist the checked state of a cloned checkbox or radio button.
+	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
+		dest.checked = src.checked;
+
+	// Fails to return the selected option to the default selected state when cloning options
+	} else if ( nodeName === "input" || nodeName === "textarea" ) {
+		dest.defaultValue = src.defaultValue;
+	}
+}
+
+jQuery.extend({
+	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
+		var i, l, srcElements, destElements,
+			clone = elem.cloneNode( true ),
+			inPage = jQuery.contains( elem.ownerDocument, elem );
+
+		// Support: IE >= 9
+		// Fix Cloning issues
+		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
+				!jQuery.isXMLDoc( elem ) ) {
+
+			// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
+			destElements = getAll( clone );
+			srcElements = getAll( elem );
+
+			for ( i = 0, l = srcElements.length; i < l; i++ ) {
+				fixInput( srcElements[ i ], destElements[ i ] );
+			}
+		}
+
+		// Copy the events from the original to the clone
+		if ( dataAndEvents ) {
+			if ( deepDataAndEvents ) {
+				srcElements = srcElements || getAll( elem );
+				destElements = destElements || getAll( clone );
+
+				for ( i = 0, l = srcElements.length; i < l; i++ ) {
+					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
+				}
+			} else {
+				cloneCopyEvent( elem, clone );
+			}
+		}
+
+		// Preserve script evaluation history
+		destElements = getAll( clone, "script" );
+		if ( destElements.length > 0 ) {
+			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
+		}
+
+		// Return the cloned set
+		return clone;
+	},
+
+	buildFragment: function( elems, context, scripts, selection ) {
+		var elem, tmp, tag, wrap, contains, j,
+			fragment = context.createDocumentFragment(),
+			nodes = [],
+			i = 0,
+			l = elems.length;
+
+		for ( ; i < l; i++ ) {
+			elem = elems[ i ];
+
+			if ( elem || elem === 0 ) {
+
+				// Add nodes directly
+				if ( jQuery.type( elem ) === "object" ) {
+					// Support: QtWebKit
+					// jQuery.merge because push.apply(_, arraylike) throws
+					jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
+
+				// Convert non-html into a text node
+				} else if ( !rhtml.test( elem ) ) {
+					nodes.push( context.createTextNode( elem ) );
+
+				// Convert html into DOM nodes
+				} else {
+					tmp = tmp || fragment.appendChild( context.createElement("div") );
+
+					// Deserialize a standard representation
+					tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
+					wrap = wrapMap[ tag ] || wrapMap._default;
+					tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ];
+
+					// Descend through wrappers to the right content
+					j = wrap[ 0 ];
+					while ( j-- ) {
+						tmp = tmp.lastChild;
+					}
+
+					// Support: QtWebKit
+					// jQuery.merge because push.apply(_, arraylike) throws
+					jQuery.merge( nodes, tmp.childNodes );
+
+					// Remember the top-level container
+					tmp = fragment.firstChild;
+
+					// Fixes #12346
+					// Support: Webkit, IE
+					tmp.textContent = "";
+				}
+			}
+		}
+
+		// Remove wrapper from fragment
+		fragment.textContent = "";
+
+		i = 0;
+		while ( (elem = nodes[ i++ ]) ) {
+
+			// #4087 - If origin and destination elements are the same, and this is
+			// that element, do not do anything
+			if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
+				continue;
+			}
+
+			contains = jQuery.contains( elem.ownerDocument, elem );
+
+			// Append to fragment
+			tmp = getAll( fragment.appendChild( elem ), "script" );
+
+			// Preserve script evaluation history
+			if ( contains ) {
+				setGlobalEval( tmp );
+			}
+
+			// Capture executables
+			if ( scripts ) {
+				j = 0;
+				while ( (elem = tmp[ j++ ]) ) {
+					if ( rscriptType.test( elem.type || "" ) ) {
+						scripts.push( elem );
+					}
+				}
+			}
+		}
+
+		return fragment;
+	},
+
+	cleanData: function( elems ) {
+		var data, elem, events, type, key, j,
+			special = jQuery.event.special,
+			i = 0;
+
+		for ( ; (elem = elems[ i ]) !== undefined; i++ ) {
+			if ( jQuery.acceptData( elem ) ) {
+				key = elem[ data_priv.expando ];
+
+				if ( key && (data = data_priv.cache[ key ]) ) {
+					events = Object.keys( data.events || {} );
+					if ( events.length ) {
+						for ( j = 0; (type = events[j]) !== undefined; j++ ) {
+							if ( special[ type ] ) {
+								jQuery.event.remove( elem, type );
+
+							// This is a shortcut to avoid jQuery.event.remove's overhead
+							} else {
+								jQuery.removeEvent( elem, type, data.handle );
+							}
+						}
+					}
+					if ( data_priv.cache[ key ] ) {
+						// Discard any remaining `private` data
+						delete data_priv.cache[ key ];
+					}
+				}
+			}
+			// Discard any remaining `user` data
+			delete data_user.cache[ elem[ data_user.expando ] ];
+		}
+	}
+});
+
+jQuery.fn.extend({
+	text: function( value ) {
+		return access( this, function( value ) {
+			return value === undefined ?
+				jQuery.text( this ) :
+				this.empty().each(function() {
+					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+						this.textContent = value;
+					}
+				});
+		}, null, value, arguments.length );
+	},
+
+	append: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.appendChild( elem );
+			}
+		});
+	},
+
+	prepend: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.insertBefore( elem, target.firstChild );
+			}
+		});
+	},
+
+	before: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this );
+			}
+		});
+	},
+
+	after: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this.nextSibling );
+			}
+		});
+	},
+
+	remove: function( selector, keepData /* Internal Use Only */ ) {
+		var elem,
+			elems = selector ? jQuery.filter( selector, this ) : this,
+			i = 0;
+
+		for ( ; (elem = elems[i]) != null; i++ ) {
+			if ( !keepData && elem.nodeType === 1 ) {
+				jQuery.cleanData( getAll( elem ) );
+			}
+
+			if ( elem.parentNode ) {
+				if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
+					setGlobalEval( getAll( elem, "script" ) );
+				}
+				elem.parentNode.removeChild( elem );
+			}
+		}
+
+		return this;
+	},
+
+	empty: function() {
+		var elem,
+			i = 0;
+
+		for ( ; (elem = this[i]) != null; i++ ) {
+			if ( elem.nodeType === 1 ) {
+
+				// Prevent memory leaks
+				jQuery.cleanData( getAll( elem, false ) );
+
+				// Remove any remaining nodes
+				elem.textContent = "";
+			}
+		}
+
+		return this;
+	},
+
+	clone: function( dataAndEvents, deepDataAndEvents ) {
+		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
+		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
+
+		return this.map(function() {
+			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
+		});
+	},
+
+	html: function( value ) {
+		return access( this, function( value ) {
+			var elem = this[ 0 ] || {},
+				i = 0,
+				l = this.length;
+
+			if ( value === undefined && elem.nodeType === 1 ) {
+				return elem.innerHTML;
+			}
+
+			// See if we can take a shortcut and just use innerHTML
+			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
+				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
+
+				value = value.replace( rxhtmlTag, "<$1></$2>" );
+
+				try {
+					for ( ; i < l; i++ ) {
+						elem = this[ i ] || {};
+
+						// Remove element nodes and prevent memory leaks
+						if ( elem.nodeType === 1 ) {
+							jQuery.cleanData( getAll( elem, false ) );
+							elem.innerHTML = value;
+						}
+					}
+
+					elem = 0;
+
+				// If using innerHTML throws an exception, use the fallback method
+				} catch( e ) {}
+			}
+
+			if ( elem ) {
+				this.empty().append( value );
+			}
+		}, null, value, arguments.length );
+	},
+
+	replaceWith: function() {
+		var arg = arguments[ 0 ];
+
+		// Make the changes, replacing each context element with the new content
+		this.domManip( arguments, function( elem ) {
+			arg = this.parentNode;
+
+			jQuery.cleanData( getAll( this ) );
+
+			if ( arg ) {
+				arg.replaceChild( elem, this );
+			}
+		});
+
+		// Force removal if there was no new content (e.g., from empty arguments)
+		return arg && (arg.length || arg.nodeType) ? this : this.remove();
+	},
+
+	detach: function( selector ) {
+		return this.remove( selector, true );
+	},
+
+	domManip: function( args, callback ) {
+
+		// Flatten any nested arrays
+		args = concat.apply( [], args );
+
+		var fragment, first, scripts, hasScripts, node, doc,
+			i = 0,
+			l = this.length,
+			set = this,
+			iNoClone = l - 1,
+			value = args[ 0 ],
+			isFunction = jQuery.isFunction( value );
+
+		// We can't cloneNode fragments that contain checked, in WebKit
+		if ( isFunction ||
+				( l > 1 && typeof value === "string" &&
+					!support.checkClone && rchecked.test( value ) ) ) {
+			return this.each(function( index ) {
+				var self = set.eq( index );
+				if ( isFunction ) {
+					args[ 0 ] = value.call( this, index, self.html() );
+				}
+				self.domManip( args, callback );
+			});
+		}
+
+		if ( l ) {
+			fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
+			first = fragment.firstChild;
+
+			if ( fragment.childNodes.length === 1 ) {
+				fragment = first;
+			}
+
+			if ( first ) {
+				scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
+				hasScripts = scripts.length;
+
+				// Use the original fragment for the last item instead of the first because it can end up
+				// being emptied incorrectly in certain situations (#8070).
+				for ( ; i < l; i++ ) {
+					node = fragment;
+
+					if ( i !== iNoClone ) {
+						node = jQuery.clone( node, true, true );
+
+						// Keep references to cloned scripts for later restoration
+						if ( hasScripts ) {
+							// Support: QtWebKit
+							// jQuery.merge because push.apply(_, arraylike) throws
+							jQuery.merge( scripts, getAll( node, "script" ) );
+						}
+					}
+
+					callback.call( this[ i ], node, i );
+				}
+
+				if ( hasScripts ) {
+					doc = scripts[ scripts.length - 1 ].ownerDocument;
+
+					// Reenable scripts
+					jQuery.map( scripts, restoreScript );
+
+					// Evaluate executable scripts on first document insertion
+					for ( i = 0; i < hasScripts; i++ ) {
+						node = scripts[ i ];
+						if ( rscriptType.test( node.type || "" ) &&
+							!data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
+
+							if ( node.src ) {
+								// Optional AJAX dependency, but won't run scripts if not present
+								if ( jQuery._evalUrl ) {
+									jQuery._evalUrl( node.src );
+								}
+							} else {
+								jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
+							}
+						}
+					}
+				}
+			}
+		}
+
+		return this;
+	}
+});
+
+jQuery.each({
+	appendTo: "append",
+	prependTo: "prepend",
+	insertBefore: "before",
+	insertAfter: "after",
+	replaceAll: "replaceWith"
+}, function( name, original ) {
+	jQuery.fn[ name ] = function( selector ) {
+		var elems,
+			ret = [],
+			insert = jQuery( selector ),
+			last = insert.length - 1,
+			i = 0;
+
+		for ( ; i <= last; i++ ) {
+			elems = i === last ? this : this.clone( true );
+			jQuery( insert[ i ] )[ original ]( elems );
+
+			// Support: QtWebKit
+			// .get() because push.apply(_, arraylike) throws
+			push.apply( ret, elems.get() );
+		}
+
+		return this.pushStack( ret );
+	};
+});
+
+
+var iframe,
+	elemdisplay = {};
+
+/**
+ * Retrieve the actual display of a element
+ * @param {string} name nodeName of the element
+ * @param {Object} doc Document object
+ */
+// Called only from within defaultDisplay
+function actualDisplay( name, doc ) {
+	var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
+
+		// getDefaultComputedStyle might be reliably used only on attached element
+		display = window.getDefaultComputedStyle ?
+
+			// Use of this method is a temporary fix (more like optmization) until something better comes along,
+			// since it was removed from specification and supported only in FF
+			window.getDefaultComputedStyle( elem[ 0 ] ).display : jQuery.css( elem[ 0 ], "display" );
+
+	// We don't have any data stored on the element,
+	// so use "detach" method as fast way to get rid of the element
+	elem.detach();
+
+	return display;
+}
+
+/**
+ * Try to determine the default display value of an element
+ * @param {string} nodeName
+ */
+function defaultDisplay( nodeName ) {
+	var doc = document,
+		display = elemdisplay[ nodeName ];
+
+	if ( !display ) {
+		display = actualDisplay( nodeName, doc );
+
+		// If the simple way fails, read from inside an iframe
+		if ( display === "none" || !display ) {
+
+			// Use the already-created iframe if possible
+			iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
+
+			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
+			doc = iframe[ 0 ].contentDocument;
+
+			// Support: IE
+			doc.write();
+			doc.close();
+
+			display = actualDisplay( nodeName, doc );
+			iframe.detach();
+		}
+
+		// Store the correct default display
+		elemdisplay[ nodeName ] = display;
+	}
+
+	return display;
+}
+var rmargin = (/^margin/);
+
+var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
+
+var getStyles = function( elem ) {
+		return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
+	};
+
+
+
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
+		style = elem.style;
+
+	computed = computed || getStyles( elem );
+
+	// Support: IE9
+	// getPropertyValue is only needed for .css('filter') in IE9, see #12537
+	if ( computed ) {
+		ret = computed.getPropertyValue( name ) || computed[ name ];
+	}
+
+	if ( computed ) {
+
+		if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
+			ret = jQuery.style( elem, name );
+		}
+
+		// Support: iOS < 6
+		// A tribute to the "awesome hack by Dean Edwards"
+		// iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
+		// this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
+		if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
+
+			// Remember the original values
+			width = style.width;
+			minWidth = style.minWidth;
+			maxWidth = style.maxWidth;
+
+			// Put in the new values to get a computed value out
+			style.minWidth = style.maxWidth = style.width = ret;
+			ret = computed.width;
+
+			// Revert the changed values
+			style.width = width;
+			style.minWidth = minWidth;
+			style.maxWidth = maxWidth;
+		}
+	}
+
+	return ret !== undefined ?
+		// Support: IE
+		// IE returns zIndex value as an integer.
+		ret + "" :
+		ret;
+}
+
+
+function addGetHookIf( conditionFn, hookFn ) {
+	// Define the hook, we'll check on the first run if it's really needed.
+	return {
+		get: function() {
+			if ( conditionFn() ) {
+				// Hook not needed (or it's not possible to use it due to missing dependency),
+				// remove it.
+				// Since there are no other hooks for marginRight, remove the whole object.
+				delete this.get;
+				return;
+			}
+
+			// Hook needed; redefine it so that the support test is not executed again.
+
+			return (this.get = hookFn).apply( this, arguments );
+		}
+	};
+}
+
+
+(function() {
+	var pixelPositionVal, boxSizingReliableVal,
+		// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
+		divReset = "padding:0;margin:0;border:0;display:block;-webkit-box-sizing:content-box;" +
+			"-moz-box-sizing:content-box;box-sizing:content-box",
+		docElem = document.documentElement,
+		container = document.createElement( "div" ),
+		div = document.createElement( "div" );
+
+	div.style.backgroundClip = "content-box";
+	div.cloneNode( true ).style.backgroundClip = "";
+	support.clearCloneStyle = div.style.backgroundClip === "content-box";
+
+	container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;" +
+		"margin-top:1px";
+	container.appendChild( div );
+
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computePixelPositionAndBoxSizingReliable() {
+		// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
+		div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
+			"box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;" +
+			"position:absolute;top:1%";
+		docElem.appendChild( container );
+
+		var divStyle = window.getComputedStyle( div, null );
+		pixelPositionVal = divStyle.top !== "1%";
+		boxSizingReliableVal = divStyle.width === "4px";
+
+		docElem.removeChild( container );
+	}
+
+	// Use window.getComputedStyle because jsdom on node.js will break without it.
+	if ( window.getComputedStyle ) {
+		jQuery.extend(support, {
+			pixelPosition: function() {
+				// This test is executed only once but we still do memoizing
+				// since we can use the boxSizingReliable pre-computing.
+				// No need to check if the test was already performed, though.
+				computePixelPositionAndBoxSizingReliable();
+				return pixelPositionVal;
+			},
+			boxSizingReliable: function() {
+				if ( boxSizingReliableVal == null ) {
+					computePixelPositionAndBoxSizingReliable();
+				}
+				return boxSizingReliableVal;
+			},
+			reliableMarginRight: function() {
+				// Support: Android 2.3
+				// Check if div with explicit width and no margin-right incorrectly
+				// gets computed margin-right based on width of container. (#3333)
+				// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+				// This support function is only executed once so no memoizing is needed.
+				var ret,
+					marginDiv = div.appendChild( document.createElement( "div" ) );
+				marginDiv.style.cssText = div.style.cssText = divReset;
+				marginDiv.style.marginRight = marginDiv.style.width = "0";
+				div.style.width = "1px";
+				docElem.appendChild( container );
+
+				ret = !parseFloat( window.getComputedStyle( marginDiv, null ).marginRight );
+
+				docElem.removeChild( container );
+
+				// Clean up the div for other support tests.
+				div.innerHTML = "";
+
+				return ret;
+			}
+		});
+	}
+})();
+
+
+// A method for quickly swapping in/out CSS properties to get correct calculations.
+jQuery.swap = function( elem, options, callback, args ) {
+	var ret, name,
+		old = {};
+
+	// Remember the old values, and insert the new ones
+	for ( name in options ) {
+		old[ name ] = elem.style[ name ];
+		elem.style[ name ] = options[ name ];
+	}
+
+	ret = callback.apply( elem, args || [] );
+
+	// Revert the old values
+	for ( name in options ) {
+		elem.style[ name ] = old[ name ];
+	}
+
+	return ret;
+};
+
+
+var
+	// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
+	// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
+	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
+	rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
+	rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
+
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssNormalTransform = {
+		letterSpacing: 0,
+		fontWeight: 400
+	},
+
+	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
+
+// return a css property mapped to a potentially vendor prefixed property
+function vendorPropName( style, name ) {
+
+	// shortcut for names that are not vendor prefixed
+	if ( name in style ) {
+		return name;
+	}
+
+	// check for vendor prefixed names
+	var capName = name[0].toUpperCase() + name.slice(1),
+		origName = name,
+		i = cssPrefixes.length;
+
+	while ( i-- ) {
+		name = cssPrefixes[ i ] + capName;
+		if ( name in style ) {
+			return name;
+		}
+	}
+
+	return origName;
+}
+
+function setPositiveNumber( elem, value, subtract ) {
+	var matches = rnumsplit.exec( value );
+	return matches ?
+		// Guard against undefined "subtract", e.g., when used as in cssHooks
+		Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
+		value;
+}
+
+function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
+	var i = extra === ( isBorderBox ? "border" : "content" ) ?
+		// If we already have the right measurement, avoid augmentation
+		4 :
+		// Otherwise initialize for horizontal or vertical properties
+		name === "width" ? 1 : 0,
+
+		val = 0;
+
+	for ( ; i < 4; i += 2 ) {
+		// both box models exclude margin, so add it if we want it
+		if ( extra === "margin" ) {
+			val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
+		}
+
+		if ( isBorderBox ) {
+			// border-box includes padding, so remove it if we want content
+			if ( extra === "content" ) {
+				val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+			}
+
+			// at this point, extra isn't border nor margin, so remove border
+			if ( extra !== "margin" ) {
+				val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+		} else {
+			// at this point, extra isn't content, so add padding
+			val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+
+			// at this point, extra isn't content nor padding, so add border
+			if ( extra !== "padding" ) {
+				val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+		}
+	}
+
+	return val;
+}
+
+function getWidthOrHeight( elem, name, extra ) {
+
+	// Start with offset property, which is equivalent to the border-box value
+	var valueIsBorderBox = true,
+		val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
+		styles = getStyles( elem ),
+		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+
+	// some non-html elements return undefined for offsetWidth, so check for null/undefined
+	// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
+	// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
+	if ( val <= 0 || val == null ) {
+		// Fall back to computed then uncomputed css if necessary
+		val = curCSS( elem, name, styles );
+		if ( val < 0 || val == null ) {
+			val = elem.style[ name ];
+		}
+
+		// Computed unit is not pixels. Stop here and return.
+		if ( rnumnonpx.test(val) ) {
+			return val;
+		}
+
+		// we need the check for style in case a browser which returns unreliable values
+		// for getComputedStyle silently falls back to the reliable elem.style
+		valueIsBorderBox = isBorderBox &&
+			( support.boxSizingReliable() || val === elem.style[ name ] );
+
+		// Normalize "", auto, and prepare for extra
+		val = parseFloat( val ) || 0;
+	}
+
+	// use the active box-sizing model to add/subtract irrelevant styles
+	return ( val +
+		augmentWidthOrHeight(
+			elem,
+			name,
+			extra || ( isBorderBox ? "border" : "content" ),
+			valueIsBorderBox,
+			styles
+		)
+	) + "px";
+}
+
+function showHide( elements, show ) {
+	var display, elem, hidden,
+		values = [],
+		index = 0,
+		length = elements.length;
+
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+
+		values[ index ] = data_priv.get( elem, "olddisplay" );
+		display = elem.style.display;
+		if ( show ) {
+			// Reset the inline display of this element to learn if it is
+			// being hidden by cascaded rules or not
+			if ( !values[ index ] && display === "none" ) {
+				elem.style.display = "";
+			}
+
+			// Set elements which have been overridden with display: none
+			// in a stylesheet to whatever the default browser style is
+			// for such an element
+			if ( elem.style.display === "" && isHidden( elem ) ) {
+				values[ index ] = data_priv.access( elem, "olddisplay", defaultDisplay(elem.nodeName) );
+			}
+		} else {
+
+			if ( !values[ index ] ) {
+				hidden = isHidden( elem );
+
+				if ( display && display !== "none" || !hidden ) {
+					data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css(elem, "display") );
+				}
+			}
+		}
+	}
+
+	// Set the display of most of the elements in a second loop
+	// to avoid the constant reflow
+	for ( index = 0; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
+			elem.style.display = show ? values[ index ] || "" : "none";
+		}
+	}
+
+	return elements;
+}
+
+jQuery.extend({
+	// Add in style property hooks for overriding the default
+	// behavior of getting and setting a style property
+	cssHooks: {
+		opacity: {
+			get: function( elem, computed ) {
+				if ( computed ) {
+					// We should always get a number back from opacity
+					var ret = curCSS( elem, "opacity" );
+					return ret === "" ? "1" : ret;
+				}
+			}
+		}
+	},
+
+	// Don't automatically add "px" to these possibly-unitless properties
+	cssNumber: {
+		"columnCount": true,
+		"fillOpacity": true,
+		"fontWeight": true,
+		"lineHeight": true,
+		"opacity": true,
+		"order": true,
+		"orphans": true,
+		"widows": true,
+		"zIndex": true,
+		"zoom": true
+	},
+
+	// Add in properties whose names you wish to fix before
+	// setting or getting the value
+	cssProps: {
+		// normalize float css property
+		"float": "cssFloat"
+	},
+
+	// Get and set the style property on a DOM Node
+	style: function( elem, name, value, extra ) {
+		// Don't set styles on text and comment nodes
+		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
+			return;
+		}
+
+		// Make sure that we're working with the right name
+		var ret, type, hooks,
+			origName = jQuery.camelCase( name ),
+			style = elem.style;
+
+		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
+
+		// gets hook for the prefixed version
+		// followed by the unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// Check if we're setting a value
+		if ( value !== undefined ) {
+			type = typeof value;
+
+			// convert relative number strings (+= or -=) to relative numbers. #7345
+			if ( type === "string" && (ret = rrelNum.exec( value )) ) {
+				value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
+				// Fixes bug #9237
+				type = "number";
+			}
+
+			// Make sure that null and NaN values aren't set. See: #7116
+			if ( value == null || value !== value ) {
+				return;
+			}
+
+			// If a number was passed in, add 'px' to the (except for certain CSS properties)
+			if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
+				value += "px";
+			}
+
+			// Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
+			// but it would mean to define eight (for every problematic property) identical functions
+			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
+				style[ name ] = "inherit";
+			}
+
+			// If a hook was provided, use that value, otherwise just set the specified value
+			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
+				// Support: Chrome, Safari
+				// Setting style to blank string required to delete "style: x !important;"
+				style[ name ] = "";
+				style[ name ] = value;
+			}
+
+		} else {
+			// If a hook was provided get the non-computed value from there
+			if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
+				return ret;
+			}
+
+			// Otherwise just get the value from the style object
+			return style[ name ];
+		}
+	},
+
+	css: function( elem, name, extra, styles ) {
+		var val, num, hooks,
+			origName = jQuery.camelCase( name );
+
+		// Make sure that we're working with the right name
+		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
+
+		// gets hook for the prefixed version
+		// followed by the unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// If a hook was provided get the computed value from there
+		if ( hooks && "get" in hooks ) {
+			val = hooks.get( elem, true, extra );
+		}
+
+		// Otherwise, if a way to get the computed value exists, use that
+		if ( val === undefined ) {
+			val = curCSS( elem, name, styles );
+		}
+
+		//convert "normal" to computed value
+		if ( val === "normal" && name in cssNormalTransform ) {
+			val = cssNormalTransform[ name ];
+		}
+
+		// Return, converting to number if forced or a qualifier was provided and val looks numeric
+		if ( extra === "" || extra ) {
+			num = parseFloat( val );
+			return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
+		}
+		return val;
+	}
+});
+
+jQuery.each([ "height", "width" ], function( i, name ) {
+	jQuery.cssHooks[ name ] = {
+		get: function( elem, computed, extra ) {
+			if ( computed ) {
+				// certain elements can have dimension info if we invisibly show them
+				// however, it must have a current display style that would benefit from this
+				return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
+					jQuery.swap( elem, cssShow, function() {
+						return getWidthOrHeight( elem, name, extra );
+					}) :
+					getWidthOrHeight( elem, name, extra );
+			}
+		},
+
+		set: function( elem, value, extra ) {
+			var styles = extra && getStyles( elem );
+			return setPositiveNumber( elem, value, extra ?
+				augmentWidthOrHeight(
+					elem,
+					name,
+					extra,
+					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+					styles
+				) : 0
+			);
+		}
+	};
+});
+
+// Support: Android 2.3
+jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
+	function( elem, computed ) {
+		if ( computed ) {
+			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+			// Work around by temporarily setting element display to inline-block
+			return jQuery.swap( elem, { "display": "inline-block" },
+				curCSS, [ elem, "marginRight" ] );
+		}
+	}
+);
+
+// These hooks are used by animate to expand properties
+jQuery.each({
+	margin: "",
+	padding: "",
+	border: "Width"
+}, function( prefix, suffix ) {
+	jQuery.cssHooks[ prefix + suffix ] = {
+		expand: function( value ) {
+			var i = 0,
+				expanded = {},
+
+				// assumes a single number if not a string
+				parts = typeof value === "string" ? value.split(" ") : [ value ];
+
+			for ( ; i < 4; i++ ) {
+				expanded[ prefix + cssExpand[ i ] + suffix ] =
+					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
+			}
+
+			return expanded;
+		}
+	};
+
+	if ( !rmargin.test( prefix ) ) {
+		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
+	}
+});
+
+jQuery.fn.extend({
+	css: function( name, value ) {
+		return access( this, function( elem, name, value ) {
+			var styles, len,
+				map = {},
+				i = 0;
+
+			if ( jQuery.isArray( name ) ) {
+				styles = getStyles( elem );
+				len = name.length;
+
+				for ( ; i < len; i++ ) {
+					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
+				}
+
+				return map;
+			}
+
+			return value !== undefined ?
+				jQuery.style( elem, name, value ) :
+				jQuery.css( elem, name );
+		}, name, value, arguments.length > 1 );
+	},
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
+
+		return this.each(function() {
+			if ( isHidden( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		});
+	}
+});
+
+
+function Tween( elem, options, prop, end, easing ) {
+	return new Tween.prototype.init( elem, options, prop, end, easing );
+}
+jQuery.Tween = Tween;
+
+Tween.prototype = {
+	constructor: Tween,
+	init: function( elem, options, prop, end, easing, unit ) {
+		this.elem = elem;
+		this.prop = prop;
+		this.easing = easing || "swing";
+		this.options = options;
+		this.start = this.now = this.cur();
+		this.end = end;
+		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+	},
+	cur: function() {
+		var hooks = Tween.propHooks[ this.prop ];
+
+		return hooks && hooks.get ?
+			hooks.get( this ) :
+			Tween.propHooks._default.get( this );
+	},
+	run: function( percent ) {
+		var eased,
+			hooks = Tween.propHooks[ this.prop ];
+
+		if ( this.options.duration ) {
+			this.pos = eased = jQuery.easing[ this.easing ](
+				percent, this.options.duration * percent, 0, 1, this.options.duration
+			);
+		} else {
+			this.pos = eased = percent;
+		}
+		this.now = ( this.end - this.start ) * eased + this.start;
+
+		if ( this.options.step ) {
+			this.options.step.call( this.elem, this.now, this );
+		}
+
+		if ( hooks && hooks.set ) {
+			hooks.set( this );
+		} else {
+			Tween.propHooks._default.set( this );
+		}
+		return this;
+	}
+};
+
+Tween.prototype.init.prototype = Tween.prototype;
+
+Tween.propHooks = {
+	_default: {
+		get: function( tween ) {
+			var result;
+
+			if ( tween.elem[ tween.prop ] != null &&
+				(!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
+				return tween.elem[ tween.prop ];
+			}
+
+			// passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails
+			// so, simple values such as "10px" are parsed to Float.
+			// complex values such as "rotate(1rad)" are returned as is.
+			result = jQuery.css( tween.elem, tween.prop, "" );
+			// Empty strings, null, undefined and "auto" are converted to 0.
+			return !result || result === "auto" ? 0 : result;
+		},
+		set: function( tween ) {
+			// use step hook for back compat - use cssHook if its there - use .style if its
+			// available and use plain properties where available
+			if ( jQuery.fx.step[ tween.prop ] ) {
+				jQuery.fx.step[ tween.prop ]( tween );
+			} else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
+				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
+			} else {
+				tween.elem[ tween.prop ] = tween.now;
+			}
+		}
+	}
+};
+
+// Support: IE9
+// Panic based approach to setting things on disconnected nodes
+
+Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
+	set: function( tween ) {
+		if ( tween.elem.nodeType && tween.elem.parentNode ) {
+			tween.elem[ tween.prop ] = tween.now;
+		}
+	}
+};
+
+jQuery.easing = {
+	linear: function( p ) {
+		return p;
+	},
+	swing: function( p ) {
+		return 0.5 - Math.cos( p * Math.PI ) / 2;
+	}
+};
+
+jQuery.fx = Tween.prototype.init;
+
+// Back Compat <1.8 extension point
+jQuery.fx.step = {};
+
+
+
+
+var
+	fxNow, timerId,
+	rfxtypes = /^(?:toggle|show|hide)$/,
+	rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
+	rrun = /queueHooks$/,
+	animationPrefilters = [ defaultPrefilter ],
+	tweeners = {
+		"*": [ function( prop, value ) {
+			var tween = this.createTween( prop, value ),
+				target = tween.cur(),
+				parts = rfxnum.exec( value ),
+				unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
+
+				// Starting value computation is required for potential unit mismatches
+				start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
+					rfxnum.exec( jQuery.css( tween.elem, prop ) ),
+				scale = 1,
+				maxIterations = 20;
+
+			if ( start && start[ 3 ] !== unit ) {
+				// Trust units reported by jQuery.css
+				unit = unit || start[ 3 ];
+
+				// Make sure we update the tween properties later on
+				parts = parts || [];
+
+				// Iteratively approximate from a nonzero starting point
+				start = +target || 1;
+
+				do {
+					// If previous iteration zeroed out, double until we get *something*
+					// Use a string for doubling factor so we don't accidentally see scale as unchanged below
+					scale = scale || ".5";
+
+					// Adjust and apply
+					start = start / scale;
+					jQuery.style( tween.elem, prop, start + unit );
+
+				// Update scale, tolerating zero or NaN from tween.cur()
+				// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
+				} while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
+			}
+
+			// Update tween properties
+			if ( parts ) {
+				start = tween.start = +start || +target || 0;
+				tween.unit = unit;
+				// If a +=/-= token was provided, we're doing a relative animation
+				tween.end = parts[ 1 ] ?
+					start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
+					+parts[ 2 ];
+			}
+
+			return tween;
+		} ]
+	};
+
+// Animations created synchronously will run synchronously
+function createFxNow() {
+	setTimeout(function() {
+		fxNow = undefined;
+	});
+	return ( fxNow = jQuery.now() );
+}
+
+// Generate parameters to create a standard animation
+function genFx( type, includeWidth ) {
+	var which,
+		i = 0,
+		attrs = { height: type };
+
+	// if we include width, step value is 1 to do all cssExpand values,
+	// if we don't include width, step value is 2 to skip over Left and Right
+	includeWidth = includeWidth ? 1 : 0;
+	for ( ; i < 4 ; i += 2 - includeWidth ) {
+		which = cssExpand[ i ];
+		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
+	}
+
+	if ( includeWidth ) {
+		attrs.opacity = attrs.width = type;
+	}
+
+	return attrs;
+}
+
+function createTween( value, prop, animation ) {
+	var tween,
+		collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
+		index = 0,
+		length = collection.length;
+	for ( ; index < length; index++ ) {
+		if ( (tween = collection[ index ].call( animation, prop, value )) ) {
+
+			// we're done with this property
+			return tween;
+		}
+	}
+}
+
+function defaultPrefilter( elem, props, opts ) {
+	/* jshint validthis: true */
+	var prop, value, toggle, tween, hooks, oldfire, display,
+		anim = this,
+		orig = {},
+		style = elem.style,
+		hidden = elem.nodeType && isHidden( elem ),
+		dataShow = data_priv.get( elem, "fxshow" );
+
+	// handle queue: false promises
+	if ( !opts.queue ) {
+		hooks = jQuery._queueHooks( elem, "fx" );
+		if ( hooks.unqueued == null ) {
+			hooks.unqueued = 0;
+			oldfire = hooks.empty.fire;
+			hooks.empty.fire = function() {
+				if ( !hooks.unqueued ) {
+					oldfire();
+				}
+			};
+		}
+		hooks.unqueued++;
+
+		anim.always(function() {
+			// doing this makes sure that the complete handler will be called
+			// before this completes
+			anim.always(function() {
+				hooks.unqueued--;
+				if ( !jQuery.queue( elem, "fx" ).length ) {
+					hooks.empty.fire();
+				}
+			});
+		});
+	}
+
+	// height/width overflow pass
+	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
+		// Make sure that nothing sneaks out
+		// Record all 3 overflow attributes because IE9-10 do not
+		// change the overflow attribute when overflowX and
+		// overflowY are set to the same value
+		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
+
+		// Set display property to inline-block for height/width
+		// animations on inline elements that are having width/height animated
+		display = jQuery.css( elem, "display" );
+		// Get default display if display is currently "none"
+		if ( display === "none" ) {
+			display = defaultDisplay( elem.nodeName );
+		}
+		if ( display === "inline" &&
+				jQuery.css( elem, "float" ) === "none" ) {
+
+			style.display = "inline-block";
+		}
+	}
+
+	if ( opts.overflow ) {
+		style.overflow = "hidden";
+		anim.always(function() {
+			style.overflow = opts.overflow[ 0 ];
+			style.overflowX = opts.overflow[ 1 ];
+			style.overflowY = opts.overflow[ 2 ];
+		});
+	}
+
+	// show/hide pass
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.exec( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
+
+				// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+		}
+	}
+
+	if ( !jQuery.isEmptyObject( orig ) ) {
+		if ( dataShow ) {
+			if ( "hidden" in dataShow ) {
+				hidden = dataShow.hidden;
+			}
+		} else {
+			dataShow = data_priv.access( elem, "fxshow", {} );
+		}
+
+		// store state if its toggle - enables .stop().toggle() to "reverse"
+		if ( toggle ) {
+			dataShow.hidden = !hidden;
+		}
+		if ( hidden ) {
+			jQuery( elem ).show();
+		} else {
+			anim.done(function() {
+				jQuery( elem ).hide();
+			});
+		}
+		anim.done(function() {
+			var prop;
+
+			data_priv.remove( elem, "fxshow" );
+			for ( prop in orig ) {
+				jQuery.style( elem, prop, orig[ prop ] );
+			}
+		});
+		for ( prop in orig ) {
+			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+
+			if ( !( prop in dataShow ) ) {
+				dataShow[ prop ] = tween.start;
+				if ( hidden ) {
+					tween.end = tween.start;
+					tween.start = prop === "width" || prop === "height" ? 1 : 0;
+				}
+			}
+		}
+	}
+}
+
+function propFilter( props, specialEasing ) {
+	var index, name, easing, value, hooks;
+
+	// camelCase, specialEasing and expand cssHook pass
+	for ( index in props ) {
+		name = jQuery.camelCase( index );
+		easing = specialEasing[ name ];
+		value = props[ index ];
+		if ( jQuery.isArray( value ) ) {
+			easing = value[ 1 ];
+			value = props[ index ] = value[ 0 ];
+		}
+
+		if ( index !== name ) {
+			props[ name ] = value;
+			delete props[ index ];
+		}
+
+		hooks = jQuery.cssHooks[ name ];
+		if ( hooks && "expand" in hooks ) {
+			value = hooks.expand( value );
+			delete props[ name ];
+
+			// not quite $.extend, this wont overwrite keys already present.
+			// also - reusing 'index' from above because we have the correct "name"
+			for ( index in value ) {
+				if ( !( index in props ) ) {
+					props[ index ] = value[ index ];
+					specialEasing[ index ] = easing;
+				}
+			}
+		} else {
+			specialEasing[ name ] = easing;
+		}
+	}
+}
+
+function Animation( elem, properties, options ) {
+	var result,
+		stopped,
+		index = 0,
+		length = animationPrefilters.length,
+		deferred = jQuery.Deferred().always( function() {
+			// don't match elem in the :animated selector
+			delete tick.elem;
+		}),
+		tick = function() {
+			if ( stopped ) {
+				return false;
+			}
+			var currentTime = fxNow || createFxNow(),
+				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
+				// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
+				temp = remaining / animation.duration || 0,
+				percent = 1 - temp,
+				index = 0,
+				length = animation.tweens.length;
+
+			for ( ; index < length ; index++ ) {
+				animation.tweens[ index ].run( percent );
+			}
+
+			deferred.notifyWith( elem, [ animation, percent, remaining ]);
+
+			if ( percent < 1 && length ) {
+				return remaining;
+			} else {
+				deferred.resolveWith( elem, [ animation ] );
+				return false;
+			}
+		},
+		animation = deferred.promise({
+			elem: elem,
+			props: jQuery.extend( {}, properties ),
+			opts: jQuery.extend( true, { specialEasing: {} }, options ),
+			originalProperties: properties,
+			originalOptions: options,
+			startTime: fxNow || createFxNow(),
+			duration: options.duration,
+			tweens: [],
+			createTween: function( prop, end ) {
+				var tween = jQuery.Tween( elem, animation.opts, prop, end,
+						animation.opts.specialEasing[ prop ] || animation.opts.easing );
+				animation.tweens.push( tween );
+				return tween;
+			},
+			stop: function( gotoEnd ) {
+				var index = 0,
+					// if we are going to the end, we want to run all the tweens
+					// otherwise we skip this part
+					length = gotoEnd ? animation.tweens.length : 0;
+				if ( stopped ) {
+					return this;
+				}
+				stopped = true;
+				for ( ; index < length ; index++ ) {
+					animation.tweens[ index ].run( 1 );
+				}
+
+				// resolve when we played the last frame
+				// otherwise, reject
+				if ( gotoEnd ) {
+					deferred.resolveWith( elem, [ animation, gotoEnd ] );
+				} else {
+					deferred.rejectWith( elem, [ animation, gotoEnd ] );
+				}
+				return this;
+			}
+		}),
+		props = animation.props;
+
+	propFilter( props, animation.opts.specialEasing );
+
+	for ( ; index < length ; index++ ) {
+		result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
+		if ( result ) {
+			return result;
+		}
+	}
+
+	jQuery.map( props, createTween, animation );
+
+	if ( jQuery.isFunction( animation.opts.start ) ) {
+		animation.opts.start.call( elem, animation );
+	}
+
+	jQuery.fx.timer(
+		jQuery.extend( tick, {
+			elem: elem,
+			anim: animation,
+			queue: animation.opts.queue
+		})
+	);
+
+	// attach callbacks from options
+	return animation.progress( animation.opts.progress )
+		.done( animation.opts.done, animation.opts.complete )
+		.fail( animation.opts.fail )
+		.always( animation.opts.always );
+}
+
+jQuery.Animation = jQuery.extend( Animation, {
+
+	tweener: function( props, callback ) {
+		if ( jQuery.isFunction( props ) ) {
+			callback = props;
+			props = [ "*" ];
+		} else {
+			props = props.split(" ");
+		}
+
+		var prop,
+			index = 0,
+			length = props.length;
+
+		for ( ; index < length ; index++ ) {
+			prop = props[ index ];
+			tweeners[ prop ] = tweeners[ prop ] || [];
+			tweeners[ prop ].unshift( callback );
+		}
+	},
+
+	prefilter: function( callback, prepend ) {
+		if ( prepend ) {
+			animationPrefilters.unshift( callback );
+		} else {
+			animationPrefilters.push( callback );
+		}
+	}
+});
+
+jQuery.speed = function( speed, easing, fn ) {
+	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
+		complete: fn || !fn && easing ||
+			jQuery.isFunction( speed ) && speed,
+		duration: speed,
+		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
+	};
+
+	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
+		opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+
+	// normalize opt.queue - true/undefined/null -> "fx"
+	if ( opt.queue == null || opt.queue === true ) {
+		opt.queue = "fx";
+	}
+
+	// Queueing
+	opt.old = opt.complete;
+
+	opt.complete = function() {
+		if ( jQuery.isFunction( opt.old ) ) {
+			opt.old.call( this );
+		}
+
+		if ( opt.queue ) {
+			jQuery.dequeue( this, opt.queue );
+		}
+	};
+
+	return opt;
+};
+
+jQuery.fn.extend({
+	fadeTo: function( speed, to, easing, callback ) {
+
+		// show any hidden elements after setting opacity to 0
+		return this.filter( isHidden ).css( "opacity", 0 ).show()
+
+			// animate to the value specified
+			.end().animate({ opacity: to }, speed, easing, callback );
+	},
+	animate: function( prop, speed, easing, callback ) {
+		var empty = jQuery.isEmptyObject( prop ),
+			optall = jQuery.speed( speed, easing, callback ),
+			doAnimation = function() {
+				// Operate on a copy of prop so per-property easing won't be lost
+				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
+
+				// Empty animations, or finishing resolves immediately
+				if ( empty || data_priv.get( this, "finish" ) ) {
+					anim.stop( true );
+				}
+			};
+			doAnimation.finish = doAnimation;
+
+		return empty || optall.queue === false ?
+			this.each( doAnimation ) :
+			this.queue( optall.queue, doAnimation );
+	},
+	stop: function( type, clearQueue, gotoEnd ) {
+		var stopQueue = function( hooks ) {
+			var stop = hooks.stop;
+			delete hooks.stop;
+			stop( gotoEnd );
+		};
+
+		if ( typeof type !== "string" ) {
+			gotoEnd = clearQueue;
+			clearQueue = type;
+			type = undefined;
+		}
+		if ( clearQueue && type !== false ) {
+			this.queue( type || "fx", [] );
+		}
+
+		return this.each(function() {
+			var dequeue = true,
+				index = type != null && type + "queueHooks",
+				timers = jQuery.timers,
+				data = data_priv.get( this );
+
+			if ( index ) {
+				if ( data[ index ] && data[ index ].stop ) {
+					stopQueue( data[ index ] );
+				}
+			} else {
+				for ( index in data ) {
+					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
+						stopQueue( data[ index ] );
+					}
+				}
+			}
+
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
+					timers[ index ].anim.stop( gotoEnd );
+					dequeue = false;
+					timers.splice( index, 1 );
+				}
+			}
+
+			// start the next in the queue if the last step wasn't forced
+			// timers currently will call their complete callbacks, which will dequeue
+			// but only if they were gotoEnd
+			if ( dequeue || !gotoEnd ) {
+				jQuery.dequeue( this, type );
+			}
+		});
+	},
+	finish: function( type ) {
+		if ( type !== false ) {
+			type = type || "fx";
+		}
+		return this.each(function() {
+			var index,
+				data = data_priv.get( this ),
+				queue = data[ type + "queue" ],
+				hooks = data[ type + "queueHooks" ],
+				timers = jQuery.timers,
+				length = queue ? queue.length : 0;
+
+			// enable finishing flag on private data
+			data.finish = true;
+
+			// empty the queue first
+			jQuery.queue( this, type, [] );
+
+			if ( hooks && hooks.stop ) {
+				hooks.stop.call( this, true );
+			}
+
+			// look for any active animations, and finish them
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
+					timers[ index ].anim.stop( true );
+					timers.splice( index, 1 );
+				}
+			}
+
+			// look for any animations in the old queue and finish them
+			for ( index = 0; index < length; index++ ) {
+				if ( queue[ index ] && queue[ index ].finish ) {
+					queue[ index ].finish.call( this );
+				}
+			}
+
+			// turn off finishing flag
+			delete data.finish;
+		});
+	}
+});
+
+jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
+	var cssFn = jQuery.fn[ name ];
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return speed == null || typeof speed === "boolean" ?
+			cssFn.apply( this, arguments ) :
+			this.animate( genFx( name, true ), speed, easing, callback );
+	};
+});
+
+// Generate shortcuts for custom animations
+jQuery.each({
+	slideDown: genFx("show"),
+	slideUp: genFx("hide"),
+	slideToggle: genFx("toggle"),
+	fadeIn: { opacity: "show" },
+	fadeOut: { opacity: "hide" },
+	fadeToggle: { opacity: "toggle" }
+}, function( name, props ) {
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return this.animate( props, speed, easing, callback );
+	};
+});
+
+jQuery.timers = [];
+jQuery.fx.tick = function() {
+	var timer,
+		i = 0,
+		timers = jQuery.timers;
+
+	fxNow = jQuery.now();
+
+	for ( ; i < timers.length; i++ ) {
+		timer = timers[ i ];
+		// Checks the timer has not already been removed
+		if ( !timer() && timers[ i ] === timer ) {
+			timers.splice( i--, 1 );
+		}
+	}
+
+	if ( !timers.length ) {
+		jQuery.fx.stop();
+	}
+	fxNow = undefined;
+};
+
+jQuery.fx.timer = function( timer ) {
+	jQuery.timers.push( timer );
+	if ( timer() ) {
+		jQuery.fx.start();
+	} else {
+		jQuery.timers.pop();
+	}
+};
+
+jQuery.fx.interval = 13;
+
+jQuery.fx.start = function() {
+	if ( !timerId ) {
+		timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
+	}
+};
+
+jQuery.fx.stop = function() {
+	clearInterval( timerId );
+	timerId = null;
+};
+
+jQuery.fx.speeds = {
+	slow: 600,
+	fast: 200,
+	// Default speed
+	_default: 400
+};
+
+
+// Based off of the plugin by Clint Helfers, with permission.
+// http://blindsignals.com/index.php/2009/07/jquery-delay/
+jQuery.fn.delay = function( time, type ) {
+	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
+	type = type || "fx";
+
+	return this.queue( type, function( next, hooks ) {
+		var timeout = setTimeout( next, time );
+		hooks.stop = function() {
+			clearTimeout( timeout );
+		};
+	});
+};
+
+
+(function() {
+	var input = document.createElement( "input" ),
+		select = document.createElement( "select" ),
+		opt = select.appendChild( document.createElement( "option" ) );
+
+	input.type = "checkbox";
+
+	// Support: iOS 5.1, Android 4.x, Android 2.3
+	// Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
+	support.checkOn = input.value !== "";
+
+	// Must access the parent to make an option select properly
+	// Support: IE9, IE10
+	support.optSelected = opt.selected;
+
+	// Make sure that the options inside disabled selects aren't marked as disabled
+	// (WebKit marks them as disabled)
+	select.disabled = true;
+	support.optDisabled = !opt.disabled;
+
+	// Check if an input maintains its value after becoming a radio
+	// Support: IE9, IE10
+	input = document.createElement( "input" );
+	input.value = "t";
+	input.type = "radio";
+	support.radioValue = input.value === "t";
+})();
+
+
+var nodeHook, boolHook,
+	attrHandle = jQuery.expr.attrHandle;
+
+jQuery.fn.extend({
+	attr: function( name, value ) {
+		return access( this, jQuery.attr, name, value, arguments.length > 1 );
+	},
+
+	removeAttr: function( name ) {
+		return this.each(function() {
+			jQuery.removeAttr( this, name );
+		});
+	}
+});
+
+jQuery.extend({
+	attr: function( elem, name, value ) {
+		var hooks, ret,
+			nType = elem.nodeType;
+
+		// don't get/set attributes on text, comment and attribute nodes
+		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		// Fallback to prop when attributes are not supported
+		if ( typeof elem.getAttribute === strundefined ) {
+			return jQuery.prop( elem, name, value );
+		}
+
+		// All attributes are lowercase
+		// Grab necessary hook if one is defined
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+			name = name.toLowerCase();
+			hooks = jQuery.attrHooks[ name ] ||
+				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
+		}
+
+		if ( value !== undefined ) {
+
+			if ( value === null ) {
+				jQuery.removeAttr( elem, name );
+
+			} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
+				return ret;
+
+			} else {
+				elem.setAttribute( name, value + "" );
+				return value;
+			}
+
+		} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
+			return ret;
+
+		} else {
+			ret = jQuery.find.attr( elem, name );
+
+			// Non-existent attributes return null, we normalize to undefined
+			return ret == null ?
+				undefined :
+				ret;
+		}
+	},
+
+	removeAttr: function( elem, value ) {
+		var name, propName,
+			i = 0,
+			attrNames = value && value.match( rnotwhite );
+
+		if ( attrNames && elem.nodeType === 1 ) {
+			while ( (name = attrNames[i++]) ) {
+				propName = jQuery.propFix[ name ] || name;
+
+				// Boolean attributes get special treatment (#10870)
+				if ( jQuery.expr.match.bool.test( name ) ) {
+					// Set corresponding property to false
+					elem[ propName ] = false;
+				}
+
+				elem.removeAttribute( name );
+			}
+		}
+	},
+
+	attrHooks: {
+		type: {
+			set: function( elem, value ) {
+				if ( !support.radioValue && value === "radio" &&
+					jQuery.nodeName( elem, "input" ) ) {
+					// Setting the type on a radio button after the value resets the value in IE6-9
+					// Reset value to default in case type is set after value during creation
+					var val = elem.value;
+					elem.setAttribute( "type", value );
+					if ( val ) {
+						elem.value = val;
+					}
+					return value;
+				}
+			}
+		}
+	}
+});
+
+// Hooks for boolean attributes
+boolHook = {
+	set: function( elem, value, name ) {
+		if ( value === false ) {
+			// Remove boolean attributes when set to false
+			jQuery.removeAttr( elem, name );
+		} else {
+			elem.setAttribute( name, name );
+		}
+		return name;
+	}
+};
+jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
+	var getter = attrHandle[ name ] || jQuery.find.attr;
+
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle;
+		if ( !isXML ) {
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ name ];
+			attrHandle[ name ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				name.toLowerCase() :
+				null;
+			attrHandle[ name ] = handle;
+		}
+		return ret;
+	};
+});
+
+
+
+
+var rfocusable = /^(?:input|select|textarea|button)$/i;
+
+jQuery.fn.extend({
+	prop: function( name, value ) {
+		return access( this, jQuery.prop, name, value, arguments.length > 1 );
+	},
+
+	removeProp: function( name ) {
+		return this.each(function() {
+			delete this[ jQuery.propFix[ name ] || name ];
+		});
+	}
+});
+
+jQuery.extend({
+	propFix: {
+		"for": "htmlFor",
+		"class": "className"
+	},
+
+	prop: function( elem, name, value ) {
+		var ret, hooks, notxml,
+			nType = elem.nodeType;
+
+		// don't get/set properties on text, comment and attribute nodes
+		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
+
+		if ( notxml ) {
+			// Fix name and attach hooks
+			name = jQuery.propFix[ name ] || name;
+			hooks = jQuery.propHooks[ name ];
+		}
+
+		if ( value !== undefined ) {
+			return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
+				ret :
+				( elem[ name ] = value );
+
+		} else {
+			return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
+				ret :
+				elem[ name ];
+		}
+	},
+
+	propHooks: {
+		tabIndex: {
+			get: function( elem ) {
+				return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ?
+					elem.tabIndex :
+					-1;
+			}
+		}
+	}
+});
+
+// Support: IE9+
+// Selectedness for an option in an optgroup can be inaccurate
+if ( !support.optSelected ) {
+	jQuery.propHooks.selected = {
+		get: function( elem ) {
+			var parent = elem.parentNode;
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
+			}
+			return null;
+		}
+	};
+}
+
+jQuery.each([
+	"tabIndex",
+	"readOnly",
+	"maxLength",
+	"cellSpacing",
+	"cellPadding",
+	"rowSpan",
+	"colSpan",
+	"useMap",
+	"frameBorder",
+	"contentEditable"
+], function() {
+	jQuery.propFix[ this.toLowerCase() ] = this;
+});
+
+
+
+
+var rclass = /[\t\r\n\f]/g;
+
+jQuery.fn.extend({
+	addClass: function( value ) {
+		var classes, elem, cur, clazz, j, finalValue,
+			proceed = typeof value === "string" && value,
+			i = 0,
+			len = this.length;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( j ) {
+				jQuery( this ).addClass( value.call( this, j, this.className ) );
+			});
+		}
+
+		if ( proceed ) {
+			// The disjunction here is for better compressibility (see removeClass)
+			classes = ( value || "" ).match( rnotwhite ) || [];
+
+			for ( ; i < len; i++ ) {
+				elem = this[ i ];
+				cur = elem.nodeType === 1 && ( elem.className ?
+					( " " + elem.className + " " ).replace( rclass, " " ) :
+					" "
+				);
+
+				if ( cur ) {
+					j = 0;
+					while ( (clazz = classes[j++]) ) {
+						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
+							cur += clazz + " ";
+						}
+					}
+
+					// only assign if different to avoid unneeded rendering.
+					finalValue = jQuery.trim( cur );
+					if ( elem.className !== finalValue ) {
+						elem.className = finalValue;
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	removeClass: function( value ) {
+		var classes, elem, cur, clazz, j, finalValue,
+			proceed = arguments.length === 0 || typeof value === "string" && value,
+			i = 0,
+			len = this.length;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( j ) {
+				jQuery( this ).removeClass( value.call( this, j, this.className ) );
+			});
+		}
+		if ( proceed ) {
+			classes = ( value || "" ).match( rnotwhite ) || [];
+
+			for ( ; i < len; i++ ) {
+				elem = this[ i ];
+				// This expression is here for better compressibility (see addClass)
+				cur = elem.nodeType === 1 && ( elem.className ?
+					( " " + elem.className + " " ).replace( rclass, " " ) :
+					""
+				);
+
+				if ( cur ) {
+					j = 0;
+					while ( (clazz = classes[j++]) ) {
+						// Remove *all* instances
+						while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
+							cur = cur.replace( " " + clazz + " ", " " );
+						}
+					}
+
+					// only assign if different to avoid unneeded rendering.
+					finalValue = value ? jQuery.trim( cur ) : "";
+					if ( elem.className !== finalValue ) {
+						elem.className = finalValue;
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	toggleClass: function( value, stateVal ) {
+		var type = typeof value;
+
+		if ( typeof stateVal === "boolean" && type === "string" ) {
+			return stateVal ? this.addClass( value ) : this.removeClass( value );
+		}
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
+			});
+		}
+
+		return this.each(function() {
+			if ( type === "string" ) {
+				// toggle individual class names
+				var className,
+					i = 0,
+					self = jQuery( this ),
+					classNames = value.match( rnotwhite ) || [];
+
+				while ( (className = classNames[ i++ ]) ) {
+					// check each className given, space separated list
+					if ( self.hasClass( className ) ) {
+						self.removeClass( className );
+					} else {
+						self.addClass( className );
+					}
+				}
+
+			// Toggle whole class name
+			} else if ( type === strundefined || type === "boolean" ) {
+				if ( this.className ) {
+					// store className if set
+					data_priv.set( this, "__className__", this.className );
+				}
+
+				// If the element has a class name or if we're passed "false",
+				// then remove the whole classname (if there was one, the above saved it).
+				// Otherwise bring back whatever was previously saved (if anything),
+				// falling back to the empty string if nothing was stored.
+				this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || "";
+			}
+		});
+	},
+
+	hasClass: function( selector ) {
+		var className = " " + selector + " ",
+			i = 0,
+			l = this.length;
+		for ( ; i < l; i++ ) {
+			if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+});
+
+
+
+
+var rreturn = /\r/g;
+
+jQuery.fn.extend({
+	val: function( value ) {
+		var hooks, ret, isFunction,
+			elem = this[0];
+
+		if ( !arguments.length ) {
+			if ( elem ) {
+				hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
+
+				if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
+					return ret;
+				}
+
+				ret = elem.value;
+
+				return typeof ret === "string" ?
+					// handle most common string cases
+					ret.replace(rreturn, "") :
+					// handle cases where value is null/undef or number
+					ret == null ? "" : ret;
+			}
+
+			return;
+		}
+
+		isFunction = jQuery.isFunction( value );
+
+		return this.each(function( i ) {
+			var val;
+
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
+
+			if ( isFunction ) {
+				val = value.call( this, i, jQuery( this ).val() );
+			} else {
+				val = value;
+			}
+
+			// Treat null/undefined as ""; convert numbers to string
+			if ( val == null ) {
+				val = "";
+
+			} else if ( typeof val === "number" ) {
+				val += "";
+
+			} else if ( jQuery.isArray( val ) ) {
+				val = jQuery.map( val, function( value ) {
+					return value == null ? "" : value + "";
+				});
+			}
+
+			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
+
+			// If set returns undefined, fall back to normal setting
+			if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
+				this.value = val;
+			}
+		});
+	}
+});
+
+jQuery.extend({
+	valHooks: {
+		select: {
+			get: function( elem ) {
+				var value, option,
+					options = elem.options,
+					index = elem.selectedIndex,
+					one = elem.type === "select-one" || index < 0,
+					values = one ? null : [],
+					max = one ? index + 1 : options.length,
+					i = index < 0 ?
+						max :
+						one ? index : 0;
+
+				// Loop through all the selected options
+				for ( ; i < max; i++ ) {
+					option = options[ i ];
+
+					// IE6-9 doesn't update selected after form reset (#2551)
+					if ( ( option.selected || i === index ) &&
+							// Don't return options that are disabled or in a disabled optgroup
+							( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) &&
+							( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
+
+						// Get the specific value for the option
+						value = jQuery( option ).val();
+
+						// We don't need an array for one selects
+						if ( one ) {
+							return value;
+						}
+
+						// Multi-Selects return an array
+						values.push( value );
+					}
+				}
+
+				return values;
+			},
+
+			set: function( elem, value ) {
+				var optionSet, option,
+					options = elem.options,
+					values = jQuery.makeArray( value ),
+					i = options.length;
+
+				while ( i-- ) {
+					option = options[ i ];
+					if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
+						optionSet = true;
+					}
+				}
+
+				// force browsers to behave consistently when non-matching value is set
+				if ( !optionSet ) {
+					elem.selectedIndex = -1;
+				}
+				return values;
+			}
+		}
+	}
+});
+
+// Radios and checkboxes getter/setter
+jQuery.each([ "radio", "checkbox" ], function() {
+	jQuery.valHooks[ this ] = {
+		set: function( elem, value ) {
+			if ( jQuery.isArray( value ) ) {
+				return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
+			}
+		}
+	};
+	if ( !support.checkOn ) {
+		jQuery.valHooks[ this ].get = function( elem ) {
+			// Support: Webkit
+			// "" is returned instead of "on" if a value isn't specified
+			return elem.getAttribute("value") === null ? "on" : elem.value;
+		};
+	}
+});
+
+
+
+
+// Return jQuery for attributes-only inclusion
+
+
+jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
+	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
+	"change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
+
+	// Handle event binding
+	jQuery.fn[ name ] = function( data, fn ) {
+		return arguments.length > 0 ?
+			this.on( name, null, data, fn ) :
+			this.trigger( name );
+	};
+});
+
+jQuery.fn.extend({
+	hover: function( fnOver, fnOut ) {
+		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
+	},
+
+	bind: function( types, data, fn ) {
+		return this.on( types, null, data, fn );
+	},
+	unbind: function( types, fn ) {
+		return this.off( types, null, fn );
+	},
+
+	delegate: function( selector, types, data, fn ) {
+		return this.on( types, selector, data, fn );
+	},
+	undelegate: function( selector, types, fn ) {
+		// ( namespace ) or ( selector, types [, fn] )
+		return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
+	}
+});
+
+
+var nonce = jQuery.now();
+
+var rquery = (/\?/);
+
+
+
+// Support: Android 2.3
+// Workaround failure to string-cast null input
+jQuery.parseJSON = function( data ) {
+	return JSON.parse( data + "" );
+};
+
+
+// Cross-browser xml parsing
+jQuery.parseXML = function( data ) {
+	var xml, tmp;
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+
+	// Support: IE9
+	try {
+		tmp = new DOMParser();
+		xml = tmp.parseFromString( data, "text/xml" );
+	} catch ( e ) {
+		xml = undefined;
+	}
+
+	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
+		jQuery.error( "Invalid XML: " + data );
+	}
+	return xml;
+};
+
+
+var
+	// Document location
+	ajaxLocParts,
+	ajaxLocation,
+
+	rhash = /#.*$/,
+	rts = /([?&])_=[^&]*/,
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
+	// #7653, #8125, #8152: local protocol detection
+	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
+	rnoContent = /^(?:GET|HEAD)$/,
+	rprotocol = /^\/\//,
+	rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
+
+	/* Prefilters
+	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
+	 * 2) These are called:
+	 *    - BEFORE asking for a transport
+	 *    - AFTER param serialization (s.data is a string if s.processData is true)
+	 * 3) key is the dataType
+	 * 4) the catchall symbol "*" can be used
+	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
+	 */
+	prefilters = {},
+
+	/* Transports bindings
+	 * 1) key is the dataType
+	 * 2) the catchall symbol "*" can be used
+	 * 3) selection will start with transport dataType and THEN go to "*" if needed
+	 */
+	transports = {},
+
+	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
+	allTypes = "*/".concat("*");
+
+// #8138, IE may throw an exception when accessing
+// a field from window.location if document.domain has been set
+try {
+	ajaxLocation = location.href;
+} catch( e ) {
+	// Use the href attribute of an A element
+	// since IE will modify it given document.location
+	ajaxLocation = document.createElement( "a" );
+	ajaxLocation.href = "";
+	ajaxLocation = ajaxLocation.href;
+}
+
+// Segment location into parts
+ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
+
+// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
+function addToPrefiltersOrTransports( structure ) {
+
+	// dataTypeExpression is optional and defaults to "*"
+	return function( dataTypeExpression, func ) {
+
+		if ( typeof dataTypeExpression !== "string" ) {
+			func = dataTypeExpression;
+			dataTypeExpression = "*";
+		}
+
+		var dataType,
+			i = 0,
+			dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
+
+		if ( jQuery.isFunction( func ) ) {
+			// For each dataType in the dataTypeExpression
+			while ( (dataType = dataTypes[i++]) ) {
+				// Prepend if requested
+				if ( dataType[0] === "+" ) {
+					dataType = dataType.slice( 1 ) || "*";
+					(structure[ dataType ] = structure[ dataType ] || []).unshift( func );
+
+				// Otherwise append
+				} else {
+					(structure[ dataType ] = structure[ dataType ] || []).push( func );
+				}
+			}
+		}
+	};
+}
+
+// Base inspection function for prefilters and transports
+function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
+
+	var inspected = {},
+		seekingTransport = ( structure === transports );
+
+	function inspect( dataType ) {
+		var selected;
+		inspected[ dataType ] = true;
+		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
+			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
+			if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
+				options.dataTypes.unshift( dataTypeOrTransport );
+				inspect( dataTypeOrTransport );
+				return false;
+			} else if ( seekingTransport ) {
+				return !( selected = dataTypeOrTransport );
+			}
+		});
+		return selected;
+	}
+
+	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
+}
+
+// A special extend for ajax options
+// that takes "flat" options (not to be deep extended)
+// Fixes #9887
+function ajaxExtend( target, src ) {
+	var key, deep,
+		flatOptions = jQuery.ajaxSettings.flatOptions || {};
+
+	for ( key in src ) {
+		if ( src[ key ] !== undefined ) {
+			( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
+		}
+	}
+	if ( deep ) {
+		jQuery.extend( true, target, deep );
+	}
+
+	return target;
+}
+
+/* Handles responses to an ajax request:
+ * - finds the right dataType (mediates between content-type and expected dataType)
+ * - returns the corresponding response
+ */
+function ajaxHandleResponses( s, jqXHR, responses ) {
+
+	var ct, type, finalDataType, firstDataType,
+		contents = s.contents,
+		dataTypes = s.dataTypes;
+
+	// Remove auto dataType and get content-type in the process
+	while ( dataTypes[ 0 ] === "*" ) {
+		dataTypes.shift();
+		if ( ct === undefined ) {
+			ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
+		}
+	}
+
+	// Check if we're dealing with a known content-type
+	if ( ct ) {
+		for ( type in contents ) {
+			if ( contents[ type ] && contents[ type ].test( ct ) ) {
+				dataTypes.unshift( type );
+				break;
+			}
+		}
+	}
+
+	// Check to see if we have a response for the expected dataType
+	if ( dataTypes[ 0 ] in responses ) {
+		finalDataType = dataTypes[ 0 ];
+	} else {
+		// Try convertible dataTypes
+		for ( type in responses ) {
+			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
+				finalDataType = type;
+				break;
+			}
+			if ( !firstDataType ) {
+				firstDataType = type;
+			}
+		}
+		// Or just use first one
+		finalDataType = finalDataType || firstDataType;
+	}
+
+	// If we found a dataType
+	// We add the dataType to the list if needed
+	// and return the corresponding response
+	if ( finalDataType ) {
+		if ( finalDataType !== dataTypes[ 0 ] ) {
+			dataTypes.unshift( finalDataType );
+		}
+		return responses[ finalDataType ];
+	}
+}
+
+/* Chain conversions given the request and the original response
+ * Also sets the responseXXX fields on the jqXHR instance
+ */
+function ajaxConvert( s, response, jqXHR, isSuccess ) {
+	var conv2, current, conv, tmp, prev,
+		converters = {},
+		// Work with a copy of dataTypes in case we need to modify it for conversion
+		dataTypes = s.dataTypes.slice();
+
+	// Create converters map with lowercased keys
+	if ( dataTypes[ 1 ] ) {
+		for ( conv in s.converters ) {
+			converters[ conv.toLowerCase() ] = s.converters[ conv ];
+		}
+	}
+
+	current = dataTypes.shift();
+
+	// Convert to each sequential dataType
+	while ( current ) {
+
+		if ( s.responseFields[ current ] ) {
+			jqXHR[ s.responseFields[ current ] ] = response;
+		}
+
+		// Apply the dataFilter if provided
+		if ( !prev && isSuccess && s.dataFilter ) {
+			response = s.dataFilter( response, s.dataType );
+		}
+
+		prev = current;
+		current = dataTypes.shift();
+
+		if ( current ) {
+
+		// There's only work to do if current dataType is non-auto
+			if ( current === "*" ) {
+
+				current = prev;
+
+			// Convert response if prev dataType is non-auto and differs from current
+			} else if ( prev !== "*" && prev !== current ) {
+
+				// Seek a direct converter
+				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+
+				// If none found, seek a pair
+				if ( !conv ) {
+					for ( conv2 in converters ) {
+
+						// If conv2 outputs current
+						tmp = conv2.split( " " );
+						if ( tmp[ 1 ] === current ) {
+
+							// If prev can be converted to accepted input
+							conv = converters[ prev + " " + tmp[ 0 ] ] ||
+								converters[ "* " + tmp[ 0 ] ];
+							if ( conv ) {
+								// Condense equivalence converters
+								if ( conv === true ) {
+									conv = converters[ conv2 ];
+
+								// Otherwise, insert the intermediate dataType
+								} else if ( converters[ conv2 ] !== true ) {
+									current = tmp[ 0 ];
+									dataTypes.unshift( tmp[ 1 ] );
+								}
+								break;
+							}
+						}
+					}
+				}
+
+				// Apply converter (if not an equivalence)
+				if ( conv !== true ) {
+
+					// Unless errors are allowed to bubble, catch and return them
+					if ( conv && s[ "throws" ] ) {
+						response = conv( response );
+					} else {
+						try {
+							response = conv( response );
+						} catch ( e ) {
+							return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return { state: "success", data: response };
+}
+
+jQuery.extend({
+
+	// Counter for holding the number of active queries
+	active: 0,
+
+	// Last-Modified header cache for next request
+	lastModified: {},
+	etag: {},
+
+	ajaxSettings: {
+		url: ajaxLocation,
+		type: "GET",
+		isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
+		global: true,
+		processData: true,
+		async: true,
+		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
+		/*
+		timeout: 0,
+		data: null,
+		dataType: null,
+		username: null,
+		password: null,
+		cache: null,
+		throws: false,
+		traditional: false,
+		headers: {},
+		*/
+
+		accepts: {
+			"*": allTypes,
+			text: "text/plain",
+			html: "text/html",
+			xml: "application/xml, text/xml",
+			json: "application/json, text/javascript"
+		},
+
+		contents: {
+			xml: /xml/,
+			html: /html/,
+			json: /json/
+		},
+
+		responseFields: {
+			xml: "responseXML",
+			text: "responseText",
+			json: "responseJSON"
+		},
+
+		// Data converters
+		// Keys separate source (or catchall "*") and destination types with a single space
+		converters: {
+
+			// Convert anything to text
+			"* text": String,
+
+			// Text to html (true = no transformation)
+			"text html": true,
+
+			// Evaluate text as a json expression
+			"text json": jQuery.parseJSON,
+
+			// Parse text as xml
+			"text xml": jQuery.parseXML
+		},
+
+		// For options that shouldn't be deep extended:
+		// you can add your own custom options here if
+		// and when you create one that shouldn't be
+		// deep extended (see ajaxExtend)
+		flatOptions: {
+			url: true,
+			context: true
+		}
+	},
+
+	// Creates a full fledged settings object into target
+	// with both ajaxSettings and settings fields.
+	// If target is omitted, writes into ajaxSettings.
+	ajaxSetup: function( target, settings ) {
+		return settings ?
+
+			// Building a settings object
+			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
+
+			// Extending ajaxSettings
+			ajaxExtend( jQuery.ajaxSettings, target );
+	},
+
+	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
+	ajaxTransport: addToPrefiltersOrTransports( transports ),
+
+	// Main method
+	ajax: function( url, options ) {
+
+		// If url is an object, simulate pre-1.5 signature
+		if ( typeof url === "object" ) {
+			options = url;
+			url = undefined;
+		}
+
+		// Force options to be an object
+		options = options || {};
+
+		var transport,
+			// URL without anti-cache param
+			cacheURL,
+			// Response headers
+			responseHeadersString,
+			responseHeaders,
+			// timeout handle
+			timeoutTimer,
+			// Cross-domain detection vars
+			parts,
+			// To know if global events are to be dispatched
+			fireGlobals,
+			// Loop variable
+			i,
+			// Create the final options object
+			s = jQuery.ajaxSetup( {}, options ),
+			// Callbacks context
+			callbackContext = s.context || s,
+			// Context for global events is callbackContext if it is a DOM node or jQuery collection
+			globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
+				jQuery( callbackContext ) :
+				jQuery.event,
+			// Deferreds
+			deferred = jQuery.Deferred(),
+			completeDeferred = jQuery.Callbacks("once memory"),
+			// Status-dependent callbacks
+			statusCode = s.statusCode || {},
+			// Headers (they are sent all at once)
+			requestHeaders = {},
+			requestHeadersNames = {},
+			// The jqXHR state
+			state = 0,
+			// Default abort message
+			strAbort = "canceled",
+			// Fake xhr
+			jqXHR = {
+				readyState: 0,
+
+				// Builds headers hashtable if needed
+				getResponseHeader: function( key ) {
+					var match;
+					if ( state === 2 ) {
+						if ( !responseHeaders ) {
+							responseHeaders = {};
+							while ( (match = rheaders.exec( responseHeadersString )) ) {
+								responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
+							}
+						}
+						match = responseHeaders[ key.toLowerCase() ];
+					}
+					return match == null ? null : match;
+				},
+
+				// Raw string
+				getAllResponseHeaders: function() {
+					return state === 2 ? responseHeadersString : null;
+				},
+
+				// Caches the header
+				setRequestHeader: function( name, value ) {
+					var lname = name.toLowerCase();
+					if ( !state ) {
+						name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
+						requestHeaders[ name ] = value;
+					}
+					return this;
+				},
+
+				// Overrides response content-type header
+				overrideMimeType: function( type ) {
+					if ( !state ) {
+						s.mimeType = type;
+					}
+					return this;
+				},
+
+				// Status-dependent callbacks
+				statusCode: function( map ) {
+					var code;
+					if ( map ) {
+						if ( state < 2 ) {
+							for ( code in map ) {
+								// Lazy-add the new callback in a way that preserves old ones
+								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
+							}
+						} else {
+							// Execute the appropriate callbacks
+							jqXHR.always( map[ jqXHR.status ] );
+						}
+					}
+					return this;
+				},
+
+				// Cancel the request
+				abort: function( statusText ) {
+					var finalText = statusText || strAbort;
+					if ( transport ) {
+						transport.abort( finalText );
+					}
+					done( 0, finalText );
+					return this;
+				}
+			};
+
+		// Attach deferreds
+		deferred.promise( jqXHR ).complete = completeDeferred.add;
+		jqXHR.success = jqXHR.done;
+		jqXHR.error = jqXHR.fail;
+
+		// Remove hash character (#7531: and string promotion)
+		// Add protocol if not provided (prefilters might expect it)
+		// Handle falsy url in the settings object (#10093: consistency with old signature)
+		// We also use the url parameter if available
+		s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" )
+			.replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
+
+		// Alias method option to type as per ticket #12004
+		s.type = options.method || options.type || s.method || s.type;
+
+		// Extract dataTypes list
+		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
+
+		// A cross-domain request is in order when we have a protocol:host:port mismatch
+		if ( s.crossDomain == null ) {
+			parts = rurl.exec( s.url.toLowerCase() );
+			s.crossDomain = !!( parts &&
+				( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
+					( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
+						( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
+			);
+		}
+
+		// Convert data if not already a string
+		if ( s.data && s.processData && typeof s.data !== "string" ) {
+			s.data = jQuery.param( s.data, s.traditional );
+		}
+
+		// Apply prefilters
+		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
+
+		// If request was aborted inside a prefilter, stop there
+		if ( state === 2 ) {
+			return jqXHR;
+		}
+
+		// We can fire global events as of now if asked to
+		fireGlobals = s.global;
+
+		// Watch for a new set of requests
+		if ( fireGlobals && jQuery.active++ === 0 ) {
+			jQuery.event.trigger("ajaxStart");
+		}
+
+		// Uppercase the type
+		s.type = s.type.toUpperCase();
+
+		// Determine if request has content
+		s.hasContent = !rnoContent.test( s.type );
+
+		// Save the URL in case we're toying with the If-Modified-Since
+		// and/or If-None-Match header later on
+		cacheURL = s.url;
+
+		// More options handling for requests with no content
+		if ( !s.hasContent ) {
+
+			// If data is available, append data to url
+			if ( s.data ) {
+				cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
+				// #9682: remove data so that it's not used in an eventual retry
+				delete s.data;
+			}
+
+			// Add anti-cache in url if needed
+			if ( s.cache === false ) {
+				s.url = rts.test( cacheURL ) ?
+
+					// If there is already a '_' parameter, set its value
+					cacheURL.replace( rts, "$1_=" + nonce++ ) :
+
+					// Otherwise add one to the end
+					cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
+			}
+		}
+
+		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+		if ( s.ifModified ) {
+			if ( jQuery.lastModified[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
+			}
+			if ( jQuery.etag[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
+			}
+		}
+
+		// Set the correct header, if data is being sent
+		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
+			jqXHR.setRequestHeader( "Content-Type", s.contentType );
+		}
+
+		// Set the Accepts header for the server, depending on the dataType
+		jqXHR.setRequestHeader(
+			"Accept",
+			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
+				s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
+				s.accepts[ "*" ]
+		);
+
+		// Check for headers option
+		for ( i in s.headers ) {
+			jqXHR.setRequestHeader( i, s.headers[ i ] );
+		}
+
+		// Allow custom headers/mimetypes and early abort
+		if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
+			// Abort if not done already and return
+			return jqXHR.abort();
+		}
+
+		// aborting is no longer a cancellation
+		strAbort = "abort";
+
+		// Install callbacks on deferreds
+		for ( i in { success: 1, error: 1, complete: 1 } ) {
+			jqXHR[ i ]( s[ i ] );
+		}
+
+		// Get transport
+		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
+
+		// If no transport, we auto-abort
+		if ( !transport ) {
+			done( -1, "No Transport" );
+		} else {
+			jqXHR.readyState = 1;
+
+			// Send global event
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
+			}
+			// Timeout
+			if ( s.async && s.timeout > 0 ) {
+				timeoutTimer = setTimeout(function() {
+					jqXHR.abort("timeout");
+				}, s.timeout );
+			}
+
+			try {
+				state = 1;
+				transport.send( requestHeaders, done );
+			} catch ( e ) {
+				// Propagate exception as error if not done
+				if ( state < 2 ) {
+					done( -1, e );
+				// Simply rethrow otherwise
+				} else {
+					throw e;
+				}
+			}
+		}
+
+		// Callback for when everything is done
+		function done( status, nativeStatusText, responses, headers ) {
+			var isSuccess, success, error, response, modified,
+				statusText = nativeStatusText;
+
+			// Called once
+			if ( state === 2 ) {
+				return;
+			}
+
+			// State is "done" now
+			state = 2;
+
+			// Clear timeout if it exists
+			if ( timeoutTimer ) {
+				clearTimeout( timeoutTimer );
+			}
+
+			// Dereference transport for early garbage collection
+			// (no matter how long the jqXHR object will be used)
+			transport = undefined;
+
+			// Cache response headers
+			responseHeadersString = headers || "";
+
+			// Set readyState
+			jqXHR.readyState = status > 0 ? 4 : 0;
+
+			// Determine if successful
+			isSuccess = status >= 200 && status < 300 || status === 304;
+
+			// Get response data
+			if ( responses ) {
+				response = ajaxHandleResponses( s, jqXHR, responses );
+			}
+
+			// Convert no matter what (that way responseXXX fields are always set)
+			response = ajaxConvert( s, response, jqXHR, isSuccess );
+
+			// If successful, handle type chaining
+			if ( isSuccess ) {
+
+				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+				if ( s.ifModified ) {
+					modified = jqXHR.getResponseHeader("Last-Modified");
+					if ( modified ) {
+						jQuery.lastModified[ cacheURL ] = modified;
+					}
+					modified = jqXHR.getResponseHeader("etag");
+					if ( modified ) {
+						jQuery.etag[ cacheURL ] = modified;
+					}
+				}
+
+				// if no content
+				if ( status === 204 || s.type === "HEAD" ) {
+					statusText = "nocontent";
+
+				// if not modified
+				} else if ( status === 304 ) {
+					statusText = "notmodified";
+
+				// If we have data, let's convert it
+				} else {
+					statusText = response.state;
+					success = response.data;
+					error = response.error;
+					isSuccess = !error;
+				}
+			} else {
+				// We extract error from statusText
+				// then normalize statusText and status for non-aborts
+				error = statusText;
+				if ( status || !statusText ) {
+					statusText = "error";
+					if ( status < 0 ) {
+						status = 0;
+					}
+				}
+			}
+
+			// Set data for the fake xhr object
+			jqXHR.status = status;
+			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
+
+			// Success/Error
+			if ( isSuccess ) {
+				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
+			} else {
+				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
+			}
+
+			// Status-dependent callbacks
+			jqXHR.statusCode( statusCode );
+			statusCode = undefined;
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
+					[ jqXHR, s, isSuccess ? success : error ] );
+			}
+
+			// Complete
+			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
+				// Handle the global AJAX counter
+				if ( !( --jQuery.active ) ) {
+					jQuery.event.trigger("ajaxStop");
+				}
+			}
+		}
+
+		return jqXHR;
+	},
+
+	getJSON: function( url, data, callback ) {
+		return jQuery.get( url, data, callback, "json" );
+	},
+
+	getScript: function( url, callback ) {
+		return jQuery.get( url, undefined, callback, "script" );
+	}
+});
+
+jQuery.each( [ "get", "post" ], function( i, method ) {
+	jQuery[ method ] = function( url, data, callback, type ) {
+		// shift arguments if data argument was omitted
+		if ( jQuery.isFunction( data ) ) {
+			type = type || callback;
+			callback = data;
+			data = undefined;
+		}
+
+		return jQuery.ajax({
+			url: url,
+			type: method,
+			dataType: type,
+			data: data,
+			success: callback
+		});
+	};
+});
+
+// Attach a bunch of functions for handling common AJAX events
+jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
+	jQuery.fn[ type ] = function( fn ) {
+		return this.on( type, fn );
+	};
+});
+
+
+jQuery._evalUrl = function( url ) {
+	return jQuery.ajax({
+		url: url,
+		type: "GET",
+		dataType: "script",
+		async: false,
+		global: false,
+		"throws": true
+	});
+};
+
+
+jQuery.fn.extend({
+	wrapAll: function( html ) {
+		var wrap;
+
+		if ( jQuery.isFunction( html ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).wrapAll( html.call(this, i) );
+			});
+		}
+
+		if ( this[ 0 ] ) {
+
+			// The elements to wrap the target around
+			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+
+			if ( this[ 0 ].parentNode ) {
+				wrap.insertBefore( this[ 0 ] );
+			}
+
+			wrap.map(function() {
+				var elem = this;
+
+				while ( elem.firstElementChild ) {
+					elem = elem.firstElementChild;
+				}
+
+				return elem;
+			}).append( this );
+		}
+
+		return this;
+	},
+
+	wrapInner: function( html ) {
+		if ( jQuery.isFunction( html ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).wrapInner( html.call(this, i) );
+			});
+		}
+
+		return this.each(function() {
+			var self = jQuery( this ),
+				contents = self.contents();
+
+			if ( contents.length ) {
+				contents.wrapAll( html );
+
+			} else {
+				self.append( html );
+			}
+		});
+	},
+
+	wrap: function( html ) {
+		var isFunction = jQuery.isFunction( html );
+
+		return this.each(function( i ) {
+			jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
+		});
+	},
+
+	unwrap: function() {
+		return this.parent().each(function() {
+			if ( !jQuery.nodeName( this, "body" ) ) {
+				jQuery( this ).replaceWith( this.childNodes );
+			}
+		}).end();
+	}
+});
+
+
+jQuery.expr.filters.hidden = function( elem ) {
+	// Support: Opera <= 12.12
+	// Opera reports offsetWidths and offsetHeights less than zero on some elements
+	return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
+};
+jQuery.expr.filters.visible = function( elem ) {
+	return !jQuery.expr.filters.hidden( elem );
+};
+
+
+
+
+var r20 = /%20/g,
+	rbracket = /\[\]$/,
+	rCRLF = /\r?\n/g,
+	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
+	rsubmittable = /^(?:input|select|textarea|keygen)/i;
+
+function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
+	if ( jQuery.isArray( obj ) ) {
+		// Serialize array item.
+		jQuery.each( obj, function( i, v ) {
+			if ( traditional || rbracket.test( prefix ) ) {
+				// Treat each array item as a scalar.
+				add( prefix, v );
+
+			} else {
+				// Item is non-scalar (array or object), encode its numeric index.
+				buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
+			}
+		});
+
+	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
+		// Serialize object item.
+		for ( name in obj ) {
+			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+		}
+
+	} else {
+		// Serialize scalar item.
+		add( prefix, obj );
+	}
+}
+
+// Serialize an array of form elements or a set of
+// key/values into a query string
+jQuery.param = function( a, traditional ) {
+	var prefix,
+		s = [],
+		add = function( key, value ) {
+			// If value is a function, invoke it and return its value
+			value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
+			s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
+		};
+
+	// Set traditional to true for jQuery <= 1.3.2 behavior.
+	if ( traditional === undefined ) {
+		traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
+	}
+
+	// If an array was passed in, assume that it is an array of form elements.
+	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+		// Serialize the form elements
+		jQuery.each( a, function() {
+			add( this.name, this.value );
+		});
+
+	} else {
+		// If traditional, encode the "old" way (the way 1.3.2 or older
+		// did it), otherwise encode params recursively.
+		for ( prefix in a ) {
+			buildParams( prefix, a[ prefix ], traditional, add );
+		}
+	}
+
+	// Return the resulting serialization
+	return s.join( "&" ).replace( r20, "+" );
+};
+
+jQuery.fn.extend({
+	serialize: function() {
+		return jQuery.param( this.serializeArray() );
+	},
+	serializeArray: function() {
+		return this.map(function() {
+			// Can add propHook for "elements" to filter or add form elements
+			var elements = jQuery.prop( this, "elements" );
+			return elements ? jQuery.makeArray( elements ) : this;
+		})
+		.filter(function() {
+			var type = this.type;
+
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
+			return this.name && !jQuery( this ).is( ":disabled" ) &&
+				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
+				( this.checked || !rcheckableType.test( type ) );
+		})
+		.map(function( i, elem ) {
+			var val = jQuery( this ).val();
+
+			return val == null ?
+				null :
+				jQuery.isArray( val ) ?
+					jQuery.map( val, function( val ) {
+						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+					}) :
+					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+		}).get();
+	}
+});
+
+
+jQuery.ajaxSettings.xhr = function() {
+	try {
+		return new XMLHttpRequest();
+	} catch( e ) {}
+};
+
+var xhrId = 0,
+	xhrCallbacks = {},
+	xhrSuccessStatus = {
+		// file protocol always yields status code 0, assume 200
+		0: 200,
+		// Support: IE9
+		// #1450: sometimes IE returns 1223 when it should be 204
+		1223: 204
+	},
+	xhrSupported = jQuery.ajaxSettings.xhr();
+
+// Support: IE9
+// Open requests must be manually aborted on unload (#5280)
+if ( window.ActiveXObject ) {
+	jQuery( window ).on( "unload", function() {
+		for ( var key in xhrCallbacks ) {
+			xhrCallbacks[ key ]();
+		}
+	});
+}
+
+support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
+support.ajax = xhrSupported = !!xhrSupported;
+
+jQuery.ajaxTransport(function( options ) {
+	var callback;
+
+	// Cross domain only allowed if supported through XMLHttpRequest
+	if ( support.cors || xhrSupported && !options.crossDomain ) {
+		return {
+			send: function( headers, complete ) {
+				var i,
+					xhr = options.xhr(),
+					id = ++xhrId;
+
+				xhr.open( options.type, options.url, options.async, options.username, options.password );
+
+				// Apply custom fields if provided
+				if ( options.xhrFields ) {
+					for ( i in options.xhrFields ) {
+						xhr[ i ] = options.xhrFields[ i ];
+					}
+				}
+
+				// Override mime type if needed
+				if ( options.mimeType && xhr.overrideMimeType ) {
+					xhr.overrideMimeType( options.mimeType );
+				}
+
+				// X-Requested-With header
+				// For cross-domain requests, seeing as conditions for a preflight are
+				// akin to a jigsaw puzzle, we simply never set it to be sure.
+				// (it can always be set on a per-request basis or even using ajaxSetup)
+				// For same-domain requests, won't change header if already provided.
+				if ( !options.crossDomain && !headers["X-Requested-With"] ) {
+					headers["X-Requested-With"] = "XMLHttpRequest";
+				}
+
+				// Set headers
+				for ( i in headers ) {
+					xhr.setRequestHeader( i, headers[ i ] );
+				}
+
+				// Callback
+				callback = function( type ) {
+					return function() {
+						if ( callback ) {
+							delete xhrCallbacks[ id ];
+							callback = xhr.onload = xhr.onerror = null;
+
+							if ( type === "abort" ) {
+								xhr.abort();
+							} else if ( type === "error" ) {
+								complete(
+									// file: protocol always yields status 0; see #8605, #14207
+									xhr.status,
+									xhr.statusText
+								);
+							} else {
+								complete(
+									xhrSuccessStatus[ xhr.status ] || xhr.status,
+									xhr.statusText,
+									// Support: IE9
+									// Accessing binary-data responseText throws an exception
+									// (#11426)
+									typeof xhr.responseText === "string" ? {
+										text: xhr.responseText
+									} : undefined,
+									xhr.getAllResponseHeaders()
+								);
+							}
+						}
+					};
+				};
+
+				// Listen to events
+				xhr.onload = callback();
+				xhr.onerror = callback("error");
+
+				// Create the abort callback
+				callback = xhrCallbacks[ id ] = callback("abort");
+
+				// Do send the request
+				// This may raise an exception which is actually
+				// handled in jQuery.ajax (so no try/catch here)
+				xhr.send( options.hasContent && options.data || null );
+			},
+
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+});
+
+
+
+
+// Install script dataType
+jQuery.ajaxSetup({
+	accepts: {
+		script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
+	},
+	contents: {
+		script: /(?:java|ecma)script/
+	},
+	converters: {
+		"text script": function( text ) {
+			jQuery.globalEval( text );
+			return text;
+		}
+	}
+});
+
+// Handle cache's special case and crossDomain
+jQuery.ajaxPrefilter( "script", function( s ) {
+	if ( s.cache === undefined ) {
+		s.cache = false;
+	}
+	if ( s.crossDomain ) {
+		s.type = "GET";
+	}
+});
+
+// Bind script tag hack transport
+jQuery.ajaxTransport( "script", function( s ) {
+	// This transport only deals with cross domain requests
+	if ( s.crossDomain ) {
+		var script, callback;
+		return {
+			send: function( _, complete ) {
+				script = jQuery("<script>").prop({
+					async: true,
+					charset: s.scriptCharset,
+					src: s.url
+				}).on(
+					"load error",
+					callback = function( evt ) {
+						script.remove();
+						callback = null;
+						if ( evt ) {
+							complete( evt.type === "error" ? 404 : 200, evt.type );
+						}
+					}
+				);
+				document.head.appendChild( script[ 0 ] );
+			},
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+});
+
+
+
+
+var oldCallbacks = [],
+	rjsonp = /(=)\?(?=&|$)|\?\?/;
+
+// Default jsonp settings
+jQuery.ajaxSetup({
+	jsonp: "callback",
+	jsonpCallback: function() {
+		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
+		this[ callback ] = true;
+		return callback;
+	}
+});
+
+// Detect, normalize options and install callbacks for jsonp requests
+jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
+
+	var callbackName, overwritten, responseContainer,
+		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
+			"url" :
+			typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
+		);
+
+	// Handle iff the expected data type is "jsonp" or we have a parameter to set
+	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
+
+		// Get callback name, remembering preexisting value associated with it
+		callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
+			s.jsonpCallback() :
+			s.jsonpCallback;
+
+		// Insert callback into url or form data
+		if ( jsonProp ) {
+			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
+		} else if ( s.jsonp !== false ) {
+			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
+		}
+
+		// Use data converter to retrieve json after script execution
+		s.converters["script json"] = function() {
+			if ( !responseContainer ) {
+				jQuery.error( callbackName + " was not called" );
+			}
+			return responseContainer[ 0 ];
+		};
+
+		// force json dataType
+		s.dataTypes[ 0 ] = "json";
+
+		// Install callback
+		overwritten = window[ callbackName ];
+		window[ callbackName ] = function() {
+			responseContainer = arguments;
+		};
+
+		// Clean-up function (fires after converters)
+		jqXHR.always(function() {
+			// Restore preexisting value
+			window[ callbackName ] = overwritten;
+
+			// Save back as free
+			if ( s[ callbackName ] ) {
+				// make sure that re-using the options doesn't screw things around
+				s.jsonpCallback = originalSettings.jsonpCallback;
+
+				// save the callback name for future use
+				oldCallbacks.push( callbackName );
+			}
+
+			// Call if it was a function and we have a response
+			if ( responseContainer && jQuery.isFunction( overwritten ) ) {
+				overwritten( responseContainer[ 0 ] );
+			}
+
+			responseContainer = overwritten = undefined;
+		});
+
+		// Delegate to script
+		return "script";
+	}
+});
+
+
+
+
+// data: string of html
+// context (optional): If specified, the fragment will be created in this context, defaults to document
+// keepScripts (optional): If true, will include scripts passed in the html string
+jQuery.parseHTML = function( data, context, keepScripts ) {
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+	if ( typeof context === "boolean" ) {
+		keepScripts = context;
+		context = false;
+	}
+	context = context || document;
+
+	var parsed = rsingleTag.exec( data ),
+		scripts = !keepScripts && [];
+
+	// Single tag
+	if ( parsed ) {
+		return [ context.createElement( parsed[1] ) ];
+	}
+
+	parsed = jQuery.buildFragment( [ data ], context, scripts );
+
+	if ( scripts && scripts.length ) {
+		jQuery( scripts ).remove();
+	}
+
+	return jQuery.merge( [], parsed.childNodes );
+};
+
+
+// Keep a copy of the old load method
+var _load = jQuery.fn.load;
+
+/**
+ * Load a url into a page
+ */
+jQuery.fn.load = function( url, params, callback ) {
+	if ( typeof url !== "string" && _load ) {
+		return _load.apply( this, arguments );
+	}
+
+	var selector, type, response,
+		self = this,
+		off = url.indexOf(" ");
+
+	if ( off >= 0 ) {
+		selector = url.slice( off );
+		url = url.slice( 0, off );
+	}
+
+	// If it's a function
+	if ( jQuery.isFunction( params ) ) {
+
+		// We assume that it's the callback
+		callback = params;
+		params = undefined;
+
+	// Otherwise, build a param string
+	} else if ( params && typeof params === "object" ) {
+		type = "POST";
+	}
+
+	// If we have elements to modify, make the request
+	if ( self.length > 0 ) {
+		jQuery.ajax({
+			url: url,
+
+			// if "type" variable is undefined, then "GET" method will be used
+			type: type,
+			dataType: "html",
+			data: params
+		}).done(function( responseText ) {
+
+			// Save response for use in complete callback
+			response = arguments;
+
+			self.html( selector ?
+
+				// If a selector was specified, locate the right elements in a dummy div
+				// Exclude scripts to avoid IE 'Permission Denied' errors
+				jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
+
+				// Otherwise use the full result
+				responseText );
+
+		}).complete( callback && function( jqXHR, status ) {
+			self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
+		});
+	}
+
+	return this;
+};
+
+
+
+
+jQuery.expr.filters.animated = function( elem ) {
+	return jQuery.grep(jQuery.timers, function( fn ) {
+		return elem === fn.elem;
+	}).length;
+};
+
+
+
+
+var docElem = window.document.documentElement;
+
+/**
+ * Gets a window from an element
+ */
+function getWindow( elem ) {
+	return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
+}
+
+jQuery.offset = {
+	setOffset: function( elem, options, i ) {
+		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
+			position = jQuery.css( elem, "position" ),
+			curElem = jQuery( elem ),
+			props = {};
+
+		// Set position first, in-case top/left are set even on static elem
+		if ( position === "static" ) {
+			elem.style.position = "relative";
+		}
+
+		curOffset = curElem.offset();
+		curCSSTop = jQuery.css( elem, "top" );
+		curCSSLeft = jQuery.css( elem, "left" );
+		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
+			( curCSSTop + curCSSLeft ).indexOf("auto") > -1;
+
+		// Need to be able to calculate position if either top or left is auto and position is either absolute or fixed
+		if ( calculatePosition ) {
+			curPosition = curElem.position();
+			curTop = curPosition.top;
+			curLeft = curPosition.left;
+
+		} else {
+			curTop = parseFloat( curCSSTop ) || 0;
+			curLeft = parseFloat( curCSSLeft ) || 0;
+		}
+
+		if ( jQuery.isFunction( options ) ) {
+			options = options.call( elem, i, curOffset );
+		}
+
+		if ( options.top != null ) {
+			props.top = ( options.top - curOffset.top ) + curTop;
+		}
+		if ( options.left != null ) {
+			props.left = ( options.left - curOffset.left ) + curLeft;
+		}
+
+		if ( "using" in options ) {
+			options.using.call( elem, props );
+
+		} else {
+			curElem.css( props );
+		}
+	}
+};
+
+jQuery.fn.extend({
+	offset: function( options ) {
+		if ( arguments.length ) {
+			return options === undefined ?
+				this :
+				this.each(function( i ) {
+					jQuery.offset.setOffset( this, options, i );
+				});
+		}
+
+		var docElem, win,
+			elem = this[ 0 ],
+			box = { top: 0, left: 0 },
+			doc = elem && elem.ownerDocument;
+
+		if ( !doc ) {
+			return;
+		}
+
+		docElem = doc.documentElement;
+
+		// Make sure it's not a disconnected DOM node
+		if ( !jQuery.contains( docElem, elem ) ) {
+			return box;
+		}
+
+		// If we don't have gBCR, just use 0,0 rather than error
+		// BlackBerry 5, iOS 3 (original iPhone)
+		if ( typeof elem.getBoundingClientRect !== strundefined ) {
+			box = elem.getBoundingClientRect();
+		}
+		win = getWindow( doc );
+		return {
+			top: box.top + win.pageYOffset - docElem.clientTop,
+			left: box.left + win.pageXOffset - docElem.clientLeft
+		};
+	},
+
+	position: function() {
+		if ( !this[ 0 ] ) {
+			return;
+		}
+
+		var offsetParent, offset,
+			elem = this[ 0 ],
+			parentOffset = { top: 0, left: 0 };
+
+		// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
+		if ( jQuery.css( elem, "position" ) === "fixed" ) {
+			// We assume that getBoundingClientRect is available when computed position is fixed
+			offset = elem.getBoundingClientRect();
+
+		} else {
+			// Get *real* offsetParent
+			offsetParent = this.offsetParent();
+
+			// Get correct offsets
+			offset = this.offset();
+			if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
+				parentOffset = offsetParent.offset();
+			}
+
+			// Add offsetParent borders
+			parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
+			parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
+		}
+
+		// Subtract parent offsets and element margins
+		return {
+			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
+			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
+		};
+	},
+
+	offsetParent: function() {
+		return this.map(function() {
+			var offsetParent = this.offsetParent || docElem;
+
+			while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
+				offsetParent = offsetParent.offsetParent;
+			}
+
+			return offsetParent || docElem;
+		});
+	}
+});
+
+// Create scrollLeft and scrollTop methods
+jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
+	var top = "pageYOffset" === prop;
+
+	jQuery.fn[ method ] = function( val ) {
+		return access( this, function( elem, method, val ) {
+			var win = getWindow( elem );
+
+			if ( val === undefined ) {
+				return win ? win[ prop ] : elem[ method ];
+			}
+
+			if ( win ) {
+				win.scrollTo(
+					!top ? val : window.pageXOffset,
+					top ? val : window.pageYOffset
+				);
+
+			} else {
+				elem[ method ] = val;
+			}
+		}, method, val, arguments.length, null );
+	};
+});
+
+// Add the top/left cssHooks using jQuery.fn.position
+// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
+// getComputedStyle returns percent when specified for top/left/bottom/right
+// rather than make the css module depend on the offset module, we just check for it here
+jQuery.each( [ "top", "left" ], function( i, prop ) {
+	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
+		function( elem, computed ) {
+			if ( computed ) {
+				computed = curCSS( elem, prop );
+				// if curCSS returns percentage, fallback to offset
+				return rnumnonpx.test( computed ) ?
+					jQuery( elem ).position()[ prop ] + "px" :
+					computed;
+			}
+		}
+	);
+});
+
+
+// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
+jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
+	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
+		// margin is only for outerHeight, outerWidth
+		jQuery.fn[ funcName ] = function( margin, value ) {
+			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
+				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
+
+			return access( this, function( elem, type, value ) {
+				var doc;
+
+				if ( jQuery.isWindow( elem ) ) {
+					// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
+					// isn't a whole lot we can do. See pull request at this URL for discussion:
+					// https://github.com/jquery/jquery/pull/764
+					return elem.document.documentElement[ "client" + name ];
+				}
+
+				// Get document width or height
+				if ( elem.nodeType === 9 ) {
+					doc = elem.documentElement;
+
+					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
+					// whichever is greatest
+					return Math.max(
+						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
+						elem.body[ "offset" + name ], doc[ "offset" + name ],
+						doc[ "client" + name ]
+					);
+				}
+
+				return value === undefined ?
+					// Get width or height on the element, requesting but not forcing parseFloat
+					jQuery.css( elem, type, extra ) :
+
+					// Set width or height on the element
+					jQuery.style( elem, type, value, extra );
+			}, type, chainable ? margin : undefined, chainable, null );
+		};
+	});
+});
+
+
+// The number of elements contained in the matched element set
+jQuery.fn.size = function() {
+	return this.length;
+};
+
+jQuery.fn.andSelf = jQuery.fn.addBack;
+
+
+
+
+// Register as a named AMD module, since jQuery can be concatenated with other
+// files that may use define, but not via a proper concatenation script that
+// understands anonymous AMD modules. A named AMD is safest and most robust
+// way to register. Lowercase jquery is used because AMD module names are
+// derived from file names, and jQuery is normally delivered in a lowercase
+// file name. Do this after creating the global so that if an AMD module wants
+// to call noConflict to hide this version of jQuery, it will work.
+if ( typeof define === "function" && define.amd ) {
+	define( "jquery", [], function() {
+		return jQuery;
+	});
+}
+
+
+
+
+var
+	// Map over jQuery in case of overwrite
+	_jQuery = window.jQuery,
+
+	// Map over the $ in case of overwrite
+	_$ = window.$;
+
+jQuery.noConflict = function( deep ) {
+	if ( window.$ === jQuery ) {
+		window.$ = _$;
+	}
+
+	if ( deep && window.jQuery === jQuery ) {
+		window.jQuery = _jQuery;
+	}
+
+	return jQuery;
+};
+
+// Expose jQuery and $ identifiers, even in
+// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// and CommonJS for browser emulators (#13566)
+if ( typeof noGlobal === strundefined ) {
+	window.jQuery = window.$ = jQuery;
+}
+
+
+
+
+return jQuery;
+
+}));
diff --git a/eslint/tests/bench/small.js b/eslint/tests/bench/small.js
new file mode 100644
index 0000000..b61cf5c
--- /dev/null
+++ b/eslint/tests/bench/small.js
@@ -0,0 +1,4225 @@
+// Knockout JavaScript library v3.0.0
+// (c) Steven Sanderson - http://knockoutjs.com/
+// License: MIT (http://www.opensource.org/licenses/mit-license.php)
+
+(function(){
+var DEBUG=true;
+(function(undefined){
+    // (0, eval)('this') is a robust way of getting a reference to the global object
+    // For details, see http://stackoverflow.com/questions/14119988/return-this-0-evalthis/14120023#14120023
+    var window = this || (0, eval)('this'),
+        document = window['document'],
+        navigator = window['navigator'],
+        jQuery = window["jQuery"],
+        JSON = window["JSON"];
+(function(factory) {
+    // Support three module loading scenarios
+    if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
+        // [1] CommonJS/Node.js
+        var target = module['exports'] || exports; // module.exports is for Node.js
+        factory(target);
+    } else if (typeof define === 'function' && define['amd']) {
+        // [2] AMD anonymous module
+        define(['exports'], factory);
+    } else {
+        // [3] No module loader (plain <script> tag) - put directly in global namespace
+        factory(window['ko'] = {});
+    }
+}(function(koExports){
+// Internally, all KO objects are attached to koExports (even the non-exported ones whose names will be minified by the closure compiler).
+// In the future, the following "ko" variable may be made distinct from "koExports" so that private objects are not externally reachable.
+var ko = typeof koExports !== 'undefined' ? koExports : {};
+// Google Closure Compiler helpers (used only to make the minified file smaller)
+ko.exportSymbol = function(koPath, object) {
+	var tokens = koPath.split(".");
+
+	// In the future, "ko" may become distinct from "koExports" (so that non-exported objects are not reachable)
+	// At that point, "target" would be set to: (typeof koExports !== "undefined" ? koExports : ko)
+	var target = ko;
+
+	for (var i = 0; i < tokens.length - 1; i++)
+		target = target[tokens[i]];
+	target[tokens[tokens.length - 1]] = object;
+};
+ko.exportProperty = function(owner, publicName, object) {
+  owner[publicName] = object;
+};
+ko.version = "3.0.0";
+
+ko.exportSymbol('version', ko.version);
+ko.utils = (function () {
+    var objectForEach = function(obj, action) {
+        for (var prop in obj) {
+            if (obj.hasOwnProperty(prop)) {
+                action(prop, obj[prop]);
+            }
+        }
+    };
+
+    // Represent the known event types in a compact way, then at runtime transform it into a hash with event name as key (for fast lookup)
+    var knownEvents = {}, knownEventTypesByEventName = {};
+    var keyEventTypeName = (navigator && /Firefox\/2/i.test(navigator.userAgent)) ? 'KeyboardEvent' : 'UIEvents';
+    knownEvents[keyEventTypeName] = ['keyup', 'keydown', 'keypress'];
+    knownEvents['MouseEvents'] = ['click', 'dblclick', 'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'mouseenter', 'mouseleave'];
+    objectForEach(knownEvents, function(eventType, knownEventsForType) {
+        if (knownEventsForType.length) {
+            for (var i = 0, j = knownEventsForType.length; i < j; i++)
+                knownEventTypesByEventName[knownEventsForType[i]] = eventType;
+        }
+    });
+    var eventsThatMustBeRegisteredUsingAttachEvent = { 'propertychange': true }; // Workaround for an IE9 issue - https://github.com/SteveSanderson/knockout/issues/406
+
+    // Detect IE versions for bug workarounds (uses IE conditionals, not UA string, for robustness)
+    // Note that, since IE 10 does not support conditional comments, the following logic only detects IE < 10.
+    // Currently this is by design, since IE 10+ behaves correctly when treated as a standard browser.
+    // If there is a future need to detect specific versions of IE10+, we will amend this.
+    var ieVersion = document && (function() {
+        var version = 3, div = document.createElement('div'), iElems = div.getElementsByTagName('i');
+
+        // Keep constructing conditional HTML blocks until we hit one that resolves to an empty fragment
+        while (
+            div.innerHTML = '<!--[if gt IE ' + (++version) + ']><i></i><![endif]-->',
+            iElems[0]
+        ) {}
+        return version > 4 ? version : undefined;
+    }());
+    var isIe6 = ieVersion === 6,
+        isIe7 = ieVersion === 7;
+
+    function isClickOnCheckableElement(element, eventType) {
+        if ((ko.utils.tagNameLower(element) !== "input") || !element.type) return false;
+        if (eventType.toLowerCase() != "click") return false;
+        var inputType = element.type;
+        return (inputType == "checkbox") || (inputType == "radio");
+    }
+
+    return {
+        fieldsIncludedWithJsonPost: ['authenticity_token', /^__RequestVerificationToken(_.*)?$/],
+
+        arrayForEach: function (array, action) {
+            for (var i = 0, j = array.length; i < j; i++)
+                action(array[i]);
+        },
+
+        arrayIndexOf: function (array, item) {
+            if (typeof Array.prototype.indexOf == "function")
+                return Array.prototype.indexOf.call(array, item);
+            for (var i = 0, j = array.length; i < j; i++)
+                if (array[i] === item)
+                    return i;
+            return -1;
+        },
+
+        arrayFirst: function (array, predicate, predicateOwner) {
+            for (var i = 0, j = array.length; i < j; i++)
+                if (predicate.call(predicateOwner, array[i]))
+                    return array[i];
+            return null;
+        },
+
+        arrayRemoveItem: function (array, itemToRemove) {
+            var index = ko.utils.arrayIndexOf(array, itemToRemove);
+            if (index >= 0)
+                array.splice(index, 1);
+        },
+
+        arrayGetDistinctValues: function (array) {
+            array = array || [];
+            var result = [];
+            for (var i = 0, j = array.length; i < j; i++) {
+                if (ko.utils.arrayIndexOf(result, array[i]) < 0)
+                    result.push(array[i]);
+            }
+            return result;
+        },
+
+        arrayMap: function (array, mapping) {
+            array = array || [];
+            var result = [];
+            for (var i = 0, j = array.length; i < j; i++)
+                result.push(mapping(array[i]));
+            return result;
+        },
+
+        arrayFilter: function (array, predicate) {
+            array = array || [];
+            var result = [];
+            for (var i = 0, j = array.length; i < j; i++)
+                if (predicate(array[i]))
+                    result.push(array[i]);
+            return result;
+        },
+
+        arrayPushAll: function (array, valuesToPush) {
+            if (valuesToPush instanceof Array)
+                array.push.apply(array, valuesToPush);
+            else
+                for (var i = 0, j = valuesToPush.length; i < j; i++)
+                    array.push(valuesToPush[i]);
+            return array;
+        },
+
+        addOrRemoveItem: function(array, value, included) {
+            var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
+            if (existingEntryIndex < 0) {
+                if (included)
+                    array.push(value);
+            } else {
+                if (!included)
+                    array.splice(existingEntryIndex, 1);
+            }
+        },
+
+        extend: function (target, source) {
+            if (source) {
+                for(var prop in source) {
+                    if(source.hasOwnProperty(prop)) {
+                        target[prop] = source[prop];
+                    }
+                }
+            }
+            return target;
+        },
+
+        objectForEach: objectForEach,
+
+        objectMap: function(source, mapping) {
+            if (!source)
+                return source;
+            var target = {};
+            for (var prop in source) {
+                if (source.hasOwnProperty(prop)) {
+                    target[prop] = mapping(source[prop], prop, source);
+                }
+            }
+            return target;
+        },
+
+        emptyDomNode: function (domNode) {
+            while (domNode.firstChild) {
+                ko.removeNode(domNode.firstChild);
+            }
+        },
+
+        moveCleanedNodesToContainerElement: function(nodes) {
+            // Ensure it's a real array, as we're about to reparent the nodes and
+            // we don't want the underlying collection to change while we're doing that.
+            var nodesArray = ko.utils.makeArray(nodes);
+
+            var container = document.createElement('div');
+            for (var i = 0, j = nodesArray.length; i < j; i++) {
+                container.appendChild(ko.cleanNode(nodesArray[i]));
+            }
+            return container;
+        },
+
+        cloneNodes: function (nodesArray, shouldCleanNodes) {
+            for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
+                var clonedNode = nodesArray[i].cloneNode(true);
+                newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
+            }
+            return newNodesArray;
+        },
+
+        setDomNodeChildren: function (domNode, childNodes) {
+            ko.utils.emptyDomNode(domNode);
+            if (childNodes) {
+                for (var i = 0, j = childNodes.length; i < j; i++)
+                    domNode.appendChild(childNodes[i]);
+            }
+        },
+
+        replaceDomNodes: function (nodeToReplaceOrNodeArray, newNodesArray) {
+            var nodesToReplaceArray = nodeToReplaceOrNodeArray.nodeType ? [nodeToReplaceOrNodeArray] : nodeToReplaceOrNodeArray;
+            if (nodesToReplaceArray.length > 0) {
+                var insertionPoint = nodesToReplaceArray[0];
+                var parent = insertionPoint.parentNode;
+                for (var i = 0, j = newNodesArray.length; i < j; i++)
+                    parent.insertBefore(newNodesArray[i], insertionPoint);
+                for (var i = 0, j = nodesToReplaceArray.length; i < j; i++) {
+                    ko.removeNode(nodesToReplaceArray[i]);
+                }
+            }
+        },
+
+        fixUpContinuousNodeArray: function(continuousNodeArray, parentNode) {
+            // Before acting on a set of nodes that were previously outputted by a template function, we have to reconcile
+            // them against what is in the DOM right now. It may be that some of the nodes have already been removed, or that
+            // new nodes might have been inserted in the middle, for example by a binding. Also, there may previously have been
+            // leading comment nodes (created by rewritten string-based templates) that have since been removed during binding.
+            // So, this function translates the old "map" output array into its best guess of the set of current DOM nodes.
+            //
+            // Rules:
+            //   [A] Any leading nodes that have been removed should be ignored
+            //       These most likely correspond to memoization nodes that were already removed during binding
+            //       See https://github.com/SteveSanderson/knockout/pull/440
+            //   [B] We want to output a continuous series of nodes. So, ignore any nodes that have already been removed,
+            //       and include any nodes that have been inserted among the previous collection
+
+            if (continuousNodeArray.length) {
+                // The parent node can be a virtual element; so get the real parent node
+                parentNode = (parentNode.nodeType === 8 && parentNode.parentNode) || parentNode;
+
+                // Rule [A]
+                while (continuousNodeArray.length && continuousNodeArray[0].parentNode !== parentNode)
+                    continuousNodeArray.splice(0, 1);
+
+                // Rule [B]
+                if (continuousNodeArray.length > 1) {
+                    var current = continuousNodeArray[0], last = continuousNodeArray[continuousNodeArray.length - 1];
+                    // Replace with the actual new continuous node set
+                    continuousNodeArray.length = 0;
+                    while (current !== last) {
+                        continuousNodeArray.push(current);
+                        current = current.nextSibling;
+                        if (!current) // Won't happen, except if the developer has manually removed some DOM elements (then we're in an undefined scenario)
+                            return;
+                    }
+                    continuousNodeArray.push(last);
+                }
+            }
+            return continuousNodeArray;
+        },
+
+        setOptionNodeSelectionState: function (optionNode, isSelected) {
+            // IE6 sometimes throws "unknown error" if you try to write to .selected directly, whereas Firefox struggles with setAttribute. Pick one based on browser.
+            if (ieVersion < 7)
+                optionNode.setAttribute("selected", isSelected);
+            else
+                optionNode.selected = isSelected;
+        },
+
+        stringTrim: function (string) {
+            return string === null || string === undefined ? '' :
+                string.trim ?
+                    string.trim() :
+                    string.toString().replace(/^[\s\xa0]+|[\s\xa0]+$/g, '');
+        },
+
+        stringTokenize: function (string, delimiter) {
+            var result = [];
+            var tokens = (string || "").split(delimiter);
+            for (var i = 0, j = tokens.length; i < j; i++) {
+                var trimmed = ko.utils.stringTrim(tokens[i]);
+                if (trimmed !== "")
+                    result.push(trimmed);
+            }
+            return result;
+        },
+
+        stringStartsWith: function (string, startsWith) {
+            string = string || "";
+            if (startsWith.length > string.length)
+                return false;
+            return string.substring(0, startsWith.length) === startsWith;
+        },
+
+        domNodeIsContainedBy: function (node, containedByNode) {
+            if (node === containedByNode)
+                return true;
+            if (node.nodeType === 11)
+                return false; // Fixes issue #1162 - can't use node.contains for document fragments on IE8
+            if (containedByNode.contains)
+                return containedByNode.contains(node.nodeType === 3 ? node.parentNode : node);
+            if (containedByNode.compareDocumentPosition)
+                return (containedByNode.compareDocumentPosition(node) & 16) == 16;
+            while (node && node != containedByNode) {
+                node = node.parentNode;
+            }
+            return !!node;
+        },
+
+        domNodeIsAttachedToDocument: function (node) {
+            return ko.utils.domNodeIsContainedBy(node, node.ownerDocument.documentElement);
+        },
+
+        anyDomNodeIsAttachedToDocument: function(nodes) {
+            return !!ko.utils.arrayFirst(nodes, ko.utils.domNodeIsAttachedToDocument);
+        },
+
+        tagNameLower: function(element) {
+            // For HTML elements, tagName will always be upper case; for XHTML elements, it'll be lower case.
+            // Possible future optimization: If we know it's an element from an XHTML document (not HTML),
+            // we don't need to do the .toLowerCase() as it will always be lower case anyway.
+            return element && element.tagName && element.tagName.toLowerCase();
+        },
+
+        registerEventHandler: function (element, eventType, handler) {
+            var mustUseAttachEvent = ieVersion && eventsThatMustBeRegisteredUsingAttachEvent[eventType];
+            if (!mustUseAttachEvent && typeof jQuery != "undefined") {
+                if (isClickOnCheckableElement(element, eventType)) {
+                    // For click events on checkboxes, jQuery interferes with the event handling in an awkward way:
+                    // it toggles the element checked state *after* the click event handlers run, whereas native
+                    // click events toggle the checked state *before* the event handler.
+                    // Fix this by intecepting the handler and applying the correct checkedness before it runs.
+                    var originalHandler = handler;
+                    handler = function(event, eventData) {
+                        var jQuerySuppliedCheckedState = this.checked;
+                        if (eventData)
+                            this.checked = eventData.checkedStateBeforeEvent !== true;
+                        originalHandler.call(this, event);
+                        this.checked = jQuerySuppliedCheckedState; // Restore the state jQuery applied
+                    };
+                }
+                jQuery(element)['bind'](eventType, handler);
+            } else if (!mustUseAttachEvent && typeof element.addEventListener == "function")
+                element.addEventListener(eventType, handler, false);
+            else if (typeof element.attachEvent != "undefined") {
+                var attachEventHandler = function (event) { handler.call(element, event); },
+                    attachEventName = "on" + eventType;
+                element.attachEvent(attachEventName, attachEventHandler);
+
+                // IE does not dispose attachEvent handlers automatically (unlike with addEventListener)
+                // so to avoid leaks, we have to remove them manually. See bug #856
+                ko.utils.domNodeDisposal.addDisposeCallback(element, function() {
+                    element.detachEvent(attachEventName, attachEventHandler);
+                });
+            } else
+                throw new Error("Browser doesn't support addEventListener or attachEvent");
+        },
+
+        triggerEvent: function (element, eventType) {
+            if (!(element && element.nodeType))
+                throw new Error("element must be a DOM node when calling triggerEvent");
+
+            if (typeof jQuery != "undefined") {
+                var eventData = [];
+                if (isClickOnCheckableElement(element, eventType)) {
+                    // Work around the jQuery "click events on checkboxes" issue described above by storing the original checked state before triggering the handler
+                    eventData.push({ checkedStateBeforeEvent: element.checked });
+                }
+                jQuery(element)['trigger'](eventType, eventData);
+            } else if (typeof document.createEvent == "function") {
+                if (typeof element.dispatchEvent == "function") {
+                    var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
+                    var event = document.createEvent(eventCategory);
+                    event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
+                    element.dispatchEvent(event);
+                }
+                else
+                    throw new Error("The supplied element doesn't support dispatchEvent");
+            } else if (typeof element.fireEvent != "undefined") {
+                // Unlike other browsers, IE doesn't change the checked state of checkboxes/radiobuttons when you trigger their "click" event
+                // so to make it consistent, we'll do it manually here
+                if (isClickOnCheckableElement(element, eventType))
+                    element.checked = element.checked !== true;
+                element.fireEvent("on" + eventType);
+            }
+            else
+                throw new Error("Browser doesn't support triggering events");
+        },
+
+        unwrapObservable: function (value) {
+            return ko.isObservable(value) ? value() : value;
+        },
+
+        peekObservable: function (value) {
+            return ko.isObservable(value) ? value.peek() : value;
+        },
+
+        toggleDomNodeCssClass: function (node, classNames, shouldHaveClass) {
+            if (classNames) {
+                var cssClassNameRegex = /\S+/g,
+                    currentClassNames = node.className.match(cssClassNameRegex) || [];
+                ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function(className) {
+                    ko.utils.addOrRemoveItem(currentClassNames, className, shouldHaveClass);
+                });
+                node.className = currentClassNames.join(" ");
+            }
+        },
+
+        setTextContent: function(element, textContent) {
+            var value = ko.utils.unwrapObservable(textContent);
+            if ((value === null) || (value === undefined))
+                value = "";
+
+            // We need there to be exactly one child: a text node.
+            // If there are no children, more than one, or if it's not a text node,
+            // we'll clear everything and create a single text node.
+            var innerTextNode = ko.virtualElements.firstChild(element);
+            if (!innerTextNode || innerTextNode.nodeType != 3 || ko.virtualElements.nextSibling(innerTextNode)) {
+                ko.virtualElements.setDomNodeChildren(element, [document.createTextNode(value)]);
+            } else {
+                innerTextNode.data = value;
+            }
+
+            ko.utils.forceRefresh(element);
+        },
+
+        setElementName: function(element, name) {
+            element.name = name;
+
+            // Workaround IE 6/7 issue
+            // - https://github.com/SteveSanderson/knockout/issues/197
+            // - http://www.matts411.com/post/setting_the_name_attribute_in_ie_dom/
+            if (ieVersion <= 7) {
+                try {
+                    element.mergeAttributes(document.createElement("<input name='" + element.name + "'/>"), false);
+                }
+                catch(e) {} // For IE9 with doc mode "IE9 Standards" and browser mode "IE9 Compatibility View"
+            }
+        },
+
+        forceRefresh: function(node) {
+            // Workaround for an IE9 rendering bug - https://github.com/SteveSanderson/knockout/issues/209
+            if (ieVersion >= 9) {
+                // For text nodes and comment nodes (most likely virtual elements), we will have to refresh the container
+                var elem = node.nodeType == 1 ? node : node.parentNode;
+                if (elem.style)
+                    elem.style.zoom = elem.style.zoom;
+            }
+        },
+
+        ensureSelectElementIsRenderedCorrectly: function(selectElement) {
+            // Workaround for IE9 rendering bug - it doesn't reliably display all the text in dynamically-added select boxes unless you force it to re-render by updating the width.
+            // (See https://github.com/SteveSanderson/knockout/issues/312, http://stackoverflow.com/questions/5908494/select-only-shows-first-char-of-selected-option)
+            // Also fixes IE7 and IE8 bug that causes selects to be zero width if enclosed by 'if' or 'with'. (See issue #839)
+            if (ieVersion) {
+                var originalWidth = selectElement.style.width;
+                selectElement.style.width = 0;
+                selectElement.style.width = originalWidth;
+            }
+        },
+
+        range: function (min, max) {
+            min = ko.utils.unwrapObservable(min);
+            max = ko.utils.unwrapObservable(max);
+            var result = [];
+            for (var i = min; i <= max; i++)
+                result.push(i);
+            return result;
+        },
+
+        makeArray: function(arrayLikeObject) {
+            var result = [];
+            for (var i = 0, j = arrayLikeObject.length; i < j; i++) {
+                result.push(arrayLikeObject[i]);
+            };
+            return result;
+        },
+
+        isIe6 : isIe6,
+        isIe7 : isIe7,
+        ieVersion : ieVersion,
+
+        getFormFields: function(form, fieldName) {
+            var fields = ko.utils.makeArray(form.getElementsByTagName("input")).concat(ko.utils.makeArray(form.getElementsByTagName("textarea")));
+            var isMatchingField = (typeof fieldName == 'string')
+                ? function(field) { return field.name === fieldName }
+                : function(field) { return fieldName.test(field.name) }; // Treat fieldName as regex or object containing predicate
+            var matches = [];
+            for (var i = fields.length - 1; i >= 0; i--) {
+                if (isMatchingField(fields[i]))
+                    matches.push(fields[i]);
+            };
+            return matches;
+        },
+
+        parseJson: function (jsonString) {
+            if (typeof jsonString == "string") {
+                jsonString = ko.utils.stringTrim(jsonString);
+                if (jsonString) {
+                    if (JSON && JSON.parse) // Use native parsing where available
+                        return JSON.parse(jsonString);
+                    return (new Function("return " + jsonString))(); // Fallback on less safe parsing for older browsers
+                }
+            }
+            return null;
+        },
+
+        stringifyJson: function (data, replacer, space) {   // replacer and space are optional
+            if (!JSON || !JSON.stringify)
+                throw new Error("Cannot find JSON.stringify(). Some browsers (e.g., IE < 8) don't support it natively, but you can overcome this by adding a script reference to json2.js, downloadable from http://www.json.org/json2.js");
+            return JSON.stringify(ko.utils.unwrapObservable(data), replacer, space);
+        },
+
+        postJson: function (urlOrForm, data, options) {
+            options = options || {};
+            var params = options['params'] || {};
+            var includeFields = options['includeFields'] || this.fieldsIncludedWithJsonPost;
+            var url = urlOrForm;
+
+            // If we were given a form, use its 'action' URL and pick out any requested field values
+            if((typeof urlOrForm == 'object') && (ko.utils.tagNameLower(urlOrForm) === "form")) {
+                var originalForm = urlOrForm;
+                url = originalForm.action;
+                for (var i = includeFields.length - 1; i >= 0; i--) {
+                    var fields = ko.utils.getFormFields(originalForm, includeFields[i]);
+                    for (var j = fields.length - 1; j >= 0; j--)
+                        params[fields[j].name] = fields[j].value;
+                }
+            }
+
+            data = ko.utils.unwrapObservable(data);
+            var form = document.createElement("form");
+            form.style.display = "none";
+            form.action = url;
+            form.method = "post";
+            for (var key in data) {
+                // Since 'data' this is a model object, we include all properties including those inherited from its prototype
+                var input = document.createElement("input");
+                input.name = key;
+                input.value = ko.utils.stringifyJson(ko.utils.unwrapObservable(data[key]));
+                form.appendChild(input);
+            }
+            objectForEach(params, function(key, value) {
+                var input = document.createElement("input");
+                input.name = key;
+                input.value = value;
+                form.appendChild(input);
+            });
+            document.body.appendChild(form);
+            options['submitter'] ? options['submitter'](form) : form.submit();
+            setTimeout(function () { form.parentNode.removeChild(form); }, 0);
+        }
+    }
+}());
+
+ko.exportSymbol('utils', ko.utils);
+ko.exportSymbol('utils.arrayForEach', ko.utils.arrayForEach);
+ko.exportSymbol('utils.arrayFirst', ko.utils.arrayFirst);
+ko.exportSymbol('utils.arrayFilter', ko.utils.arrayFilter);
+ko.exportSymbol('utils.arrayGetDistinctValues', ko.utils.arrayGetDistinctValues);
+ko.exportSymbol('utils.arrayIndexOf', ko.utils.arrayIndexOf);
+ko.exportSymbol('utils.arrayMap', ko.utils.arrayMap);
+ko.exportSymbol('utils.arrayPushAll', ko.utils.arrayPushAll);
+ko.exportSymbol('utils.arrayRemoveItem', ko.utils.arrayRemoveItem);
+ko.exportSymbol('utils.extend', ko.utils.extend);
+ko.exportSymbol('utils.fieldsIncludedWithJsonPost', ko.utils.fieldsIncludedWithJsonPost);
+ko.exportSymbol('utils.getFormFields', ko.utils.getFormFields);
+ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
+ko.exportSymbol('utils.postJson', ko.utils.postJson);
+ko.exportSymbol('utils.parseJson', ko.utils.parseJson);
+ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
+ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
+ko.exportSymbol('utils.range', ko.utils.range);
+ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
+ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
+ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
+ko.exportSymbol('utils.objectForEach', ko.utils.objectForEach);
+ko.exportSymbol('utils.addOrRemoveItem', ko.utils.addOrRemoveItem);
+ko.exportSymbol('unwrap', ko.utils.unwrapObservable); // Convenient shorthand, because this is used so commonly
+
+if (!Function.prototype['bind']) {
+    // Function.prototype.bind is a standard part of ECMAScript 5th Edition (December 2009, http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf)
+    // In case the browser doesn't implement it natively, provide a JavaScript implementation. This implementation is based on the one in prototype.js
+    Function.prototype['bind'] = function (object) {
+        var originalFunction = this, args = Array.prototype.slice.call(arguments), object = args.shift();
+        return function () {
+            return originalFunction.apply(object, args.concat(Array.prototype.slice.call(arguments)));
+        };
+    };
+}
+
+ko.utils.domData = new (function () {
+    var uniqueId = 0;
+    var dataStoreKeyExpandoPropertyName = "__ko__" + (new Date).getTime();
+    var dataStore = {};
+
+    function getAll(node, createIfNotFound) {
+        var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
+        var hasExistingDataStore = dataStoreKey && (dataStoreKey !== "null") && dataStore[dataStoreKey];
+        if (!hasExistingDataStore) {
+            if (!createIfNotFound)
+                return undefined;
+            dataStoreKey = node[dataStoreKeyExpandoPropertyName] = "ko" + uniqueId++;
+            dataStore[dataStoreKey] = {};
+        }
+        return dataStore[dataStoreKey];
+    }
+
+    return {
+        get: function (node, key) {
+            var allDataForNode = getAll(node, false);
+            return allDataForNode === undefined ? undefined : allDataForNode[key];
+        },
+        set: function (node, key, value) {
+            if (value === undefined) {
+                // Make sure we don't actually create a new domData key if we are actually deleting a value
+                if (getAll(node, false) === undefined)
+                    return;
+            }
+            var allDataForNode = getAll(node, true);
+            allDataForNode[key] = value;
+        },
+        clear: function (node) {
+            var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
+            if (dataStoreKey) {
+                delete dataStore[dataStoreKey];
+                node[dataStoreKeyExpandoPropertyName] = null;
+                return true; // Exposing "did clean" flag purely so specs can infer whether things have been cleaned up as intended
+            }
+            return false;
+        },
+
+        nextKey: function () {
+            return (uniqueId++) + dataStoreKeyExpandoPropertyName;
+        }
+    };
+})();
+
+ko.exportSymbol('utils.domData', ko.utils.domData);
+ko.exportSymbol('utils.domData.clear', ko.utils.domData.clear); // Exporting only so specs can clear up after themselves fully
+
+ko.utils.domNodeDisposal = new (function () {
+    var domDataKey = ko.utils.domData.nextKey();
+    var cleanableNodeTypes = { 1: true, 8: true, 9: true };       // Element, Comment, Document
+    var cleanableNodeTypesWithDescendants = { 1: true, 9: true }; // Element, Document
+
+    function getDisposeCallbacksCollection(node, createIfNotFound) {
+        var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
+        if ((allDisposeCallbacks === undefined) && createIfNotFound) {
+            allDisposeCallbacks = [];
+            ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
+        }
+        return allDisposeCallbacks;
+    }
+    function destroyCallbacksCollection(node) {
+        ko.utils.domData.set(node, domDataKey, undefined);
+    }
+
+    function cleanSingleNode(node) {
+        // Run all the dispose callbacks
+        var callbacks = getDisposeCallbacksCollection(node, false);
+        if (callbacks) {
+            callbacks = callbacks.slice(0); // Clone, as the array may be modified during iteration (typically, callbacks will remove themselves)
+            for (var i = 0; i < callbacks.length; i++)
+                callbacks[i](node);
+        }
+
+        // Also erase the DOM data
+        ko.utils.domData.clear(node);
+
+        // Special support for jQuery here because it's so commonly used.
+        // Many jQuery plugins (including jquery.tmpl) store data using jQuery's equivalent of domData
+        // so notify it to tear down any resources associated with the node & descendants here.
+        if ((typeof jQuery == "function") && (typeof jQuery['cleanData'] == "function"))
+            jQuery['cleanData']([node]);
+
+        // Also clear any immediate-child comment nodes, as these wouldn't have been found by
+        // node.getElementsByTagName("*") in cleanNode() (comment nodes aren't elements)
+        if (cleanableNodeTypesWithDescendants[node.nodeType])
+            cleanImmediateCommentTypeChildren(node);
+    }
+
+    function cleanImmediateCommentTypeChildren(nodeWithChildren) {
+        var child, nextChild = nodeWithChildren.firstChild;
+        while (child = nextChild) {
+            nextChild = child.nextSibling;
+            if (child.nodeType === 8)
+                cleanSingleNode(child);
+        }
+    }
+
+    return {
+        addDisposeCallback : function(node, callback) {
+            if (typeof callback != "function")
+                throw new Error("Callback must be a function");
+            getDisposeCallbacksCollection(node, true).push(callback);
+        },
+
+        removeDisposeCallback : function(node, callback) {
+            var callbacksCollection = getDisposeCallbacksCollection(node, false);
+            if (callbacksCollection) {
+                ko.utils.arrayRemoveItem(callbacksCollection, callback);
+                if (callbacksCollection.length == 0)
+                    destroyCallbacksCollection(node);
+            }
+        },
+
+        cleanNode : function(node) {
+            // First clean this node, where applicable
+            if (cleanableNodeTypes[node.nodeType]) {
+                cleanSingleNode(node);
+
+                // ... then its descendants, where applicable
+                if (cleanableNodeTypesWithDescendants[node.nodeType]) {
+                    // Clone the descendants list in case it changes during iteration
+                    var descendants = [];
+                    ko.utils.arrayPushAll(descendants, node.getElementsByTagName("*"));
+                    for (var i = 0, j = descendants.length; i < j; i++)
+                        cleanSingleNode(descendants[i]);
+                }
+            }
+            return node;
+        },
+
+        removeNode : function(node) {
+            ko.cleanNode(node);
+            if (node.parentNode)
+                node.parentNode.removeChild(node);
+        }
+    }
+})();
+ko.cleanNode = ko.utils.domNodeDisposal.cleanNode; // Shorthand name for convenience
+ko.removeNode = ko.utils.domNodeDisposal.removeNode; // Shorthand name for convenience
+ko.exportSymbol('cleanNode', ko.cleanNode);
+ko.exportSymbol('removeNode', ko.removeNode);
+ko.exportSymbol('utils.domNodeDisposal', ko.utils.domNodeDisposal);
+ko.exportSymbol('utils.domNodeDisposal.addDisposeCallback', ko.utils.domNodeDisposal.addDisposeCallback);
+ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeDisposal.removeDisposeCallback);
+(function () {
+    var leadingCommentRegex = /^(\s*)<!--(.*?)-->/;
+
+    function simpleHtmlParse(html) {
+        // Based on jQuery's "clean" function, but only accounting for table-related elements.
+        // If you have referenced jQuery, this won't be used anyway - KO will use jQuery's "clean" function directly
+
+        // Note that there's still an issue in IE < 9 whereby it will discard comment nodes that are the first child of
+        // a descendant node. For example: "<div><!-- mycomment -->abc</div>" will get parsed as "<div>abc</div>"
+        // This won't affect anyone who has referenced jQuery, and there's always the workaround of inserting a dummy node
+        // (possibly a text node) in front of the comment. So, KO does not attempt to workaround this IE issue automatically at present.
+
+        // Trim whitespace, otherwise indexOf won't work as expected
+        var tags = ko.utils.stringTrim(html).toLowerCase(), div = document.createElement("div");
+
+        // Finds the first match from the left column, and returns the corresponding "wrap" data from the right column
+        var wrap = tags.match(/^<(thead|tbody|tfoot)/)              && [1, "<table>", "</table>"] ||
+                   !tags.indexOf("<tr")                             && [2, "<table><tbody>", "</tbody></table>"] ||
+                   (!tags.indexOf("<td") || !tags.indexOf("<th"))   && [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
+                   /* anything else */                                 [0, "", ""];
+
+        // Go to html and back, then peel off extra wrappers
+        // Note that we always prefix with some dummy text, because otherwise, IE<9 will strip out leading comment nodes in descendants. Total madness.
+        var markup = "ignored<div>" + wrap[1] + html + wrap[2] + "</div>";
+        if (typeof window['innerShiv'] == "function") {
+            div.appendChild(window['innerShiv'](markup));
+        } else {
+            div.innerHTML = markup;
+        }
+
+        // Move to the right depth
+        while (wrap[0]--)
+            div = div.lastChild;
+
+        return ko.utils.makeArray(div.lastChild.childNodes);
+    }
+
+    function jQueryHtmlParse(html) {
+        // jQuery's "parseHTML" function was introduced in jQuery 1.8.0 and is a documented public API.
+        if (jQuery['parseHTML']) {
+            return jQuery['parseHTML'](html) || []; // Ensure we always return an array and never null
+        } else {
+            // For jQuery < 1.8.0, we fall back on the undocumented internal "clean" function.
+            var elems = jQuery['clean']([html]);
+
+            // As of jQuery 1.7.1, jQuery parses the HTML by appending it to some dummy parent nodes held in an in-memory document fragment.
+            // Unfortunately, it never clears the dummy parent nodes from the document fragment, so it leaks memory over time.
+            // Fix this by finding the top-most dummy parent element, and detaching it from its owner fragment.
+            if (elems && elems[0]) {
+                // Find the top-most parent element that's a direct child of a document fragment
+                var elem = elems[0];
+                while (elem.parentNode && elem.parentNode.nodeType !== 11 /* i.e., DocumentFragment */)
+                    elem = elem.parentNode;
+                // ... then detach it
+                if (elem.parentNode)
+                    elem.parentNode.removeChild(elem);
+            }
+
+            return elems;
+        }
+    }
+
+    ko.utils.parseHtmlFragment = function(html) {
+        return typeof jQuery != 'undefined' ? jQueryHtmlParse(html)   // As below, benefit from jQuery's optimisations where possible
+                                            : simpleHtmlParse(html);  // ... otherwise, this simple logic will do in most common cases.
+    };
+
+    ko.utils.setHtml = function(node, html) {
+        ko.utils.emptyDomNode(node);
+
+        // There's no legitimate reason to display a stringified observable without unwrapping it, so we'll unwrap it
+        html = ko.utils.unwrapObservable(html);
+
+        if ((html !== null) && (html !== undefined)) {
+            if (typeof html != 'string')
+                html = html.toString();
+
+            // jQuery contains a lot of sophisticated code to parse arbitrary HTML fragments,
+            // for example <tr> elements which are not normally allowed to exist on their own.
+            // If you've referenced jQuery we'll use that rather than duplicating its code.
+            if (typeof jQuery != 'undefined') {
+                jQuery(node)['html'](html);
+            } else {
+                // ... otherwise, use KO's own parsing logic.
+                var parsedNodes = ko.utils.parseHtmlFragment(html);
+                for (var i = 0; i < parsedNodes.length; i++)
+                    node.appendChild(parsedNodes[i]);
+            }
+        }
+    };
+})();
+
+ko.exportSymbol('utils.parseHtmlFragment', ko.utils.parseHtmlFragment);
+ko.exportSymbol('utils.setHtml', ko.utils.setHtml);
+
+ko.memoization = (function () {
+    var memos = {};
+
+    function randomMax8HexChars() {
+        return (((1 + Math.random()) * 0x100000000) | 0).toString(16).substring(1);
+    }
+    function generateRandomId() {
+        return randomMax8HexChars() + randomMax8HexChars();
+    }
+    function findMemoNodes(rootNode, appendToArray) {
+        if (!rootNode)
+            return;
+        if (rootNode.nodeType == 8) {
+            var memoId = ko.memoization.parseMemoText(rootNode.nodeValue);
+            if (memoId != null)
+                appendToArray.push({ domNode: rootNode, memoId: memoId });
+        } else if (rootNode.nodeType == 1) {
+            for (var i = 0, childNodes = rootNode.childNodes, j = childNodes.length; i < j; i++)
+                findMemoNodes(childNodes[i], appendToArray);
+        }
+    }
+
+    return {
+        memoize: function (callback) {
+            if (typeof callback != "function")
+                throw new Error("You can only pass a function to ko.memoization.memoize()");
+            var memoId = generateRandomId();
+            memos[memoId] = callback;
+            return "<!--[ko_memo:" + memoId + "]-->";
+        },
+
+        unmemoize: function (memoId, callbackParams) {
+            var callback = memos[memoId];
+            if (callback === undefined)
+                throw new Error("Couldn't find any memo with ID " + memoId + ". Perhaps it's already been unmemoized.");
+            try {
+                callback.apply(null, callbackParams || []);
+                return true;
+            }
+            finally { delete memos[memoId]; }
+        },
+
+        unmemoizeDomNodeAndDescendants: function (domNode, extraCallbackParamsArray) {
+            var memos = [];
+            findMemoNodes(domNode, memos);
+            for (var i = 0, j = memos.length; i < j; i++) {
+                var node = memos[i].domNode;
+                var combinedParams = [node];
+                if (extraCallbackParamsArray)
+                    ko.utils.arrayPushAll(combinedParams, extraCallbackParamsArray);
+                ko.memoization.unmemoize(memos[i].memoId, combinedParams);
+                node.nodeValue = ""; // Neuter this node so we don't try to unmemoize it again
+                if (node.parentNode)
+                    node.parentNode.removeChild(node); // If possible, erase it totally (not always possible - someone else might just hold a reference to it then call unmemoizeDomNodeAndDescendants again)
+            }
+        },
+
+        parseMemoText: function (memoText) {
+            var match = memoText.match(/^\[ko_memo\:(.*?)\]$/);
+            return match ? match[1] : null;
+        }
+    };
+})();
+
+ko.exportSymbol('memoization', ko.memoization);
+ko.exportSymbol('memoization.memoize', ko.memoization.memoize);
+ko.exportSymbol('memoization.unmemoize', ko.memoization.unmemoize);
+ko.exportSymbol('memoization.parseMemoText', ko.memoization.parseMemoText);
+ko.exportSymbol('memoization.unmemoizeDomNodeAndDescendants', ko.memoization.unmemoizeDomNodeAndDescendants);
+ko.extenders = {
+    'throttle': function(target, timeout) {
+        // Throttling means two things:
+
+        // (1) For dependent observables, we throttle *evaluations* so that, no matter how fast its dependencies
+        //     notify updates, the target doesn't re-evaluate (and hence doesn't notify) faster than a certain rate
+        target['throttleEvaluation'] = timeout;
+
+        // (2) For writable targets (observables, or writable dependent observables), we throttle *writes*
+        //     so the target cannot change value synchronously or faster than a certain rate
+        var writeTimeoutInstance = null;
+        return ko.dependentObservable({
+            'read': target,
+            'write': function(value) {
+                clearTimeout(writeTimeoutInstance);
+                writeTimeoutInstance = setTimeout(function() {
+                    target(value);
+                }, timeout);
+            }
+        });
+    },
+
+    'notify': function(target, notifyWhen) {
+        target["equalityComparer"] = notifyWhen == "always" ?
+            null :  // null equalityComparer means to always notify
+            valuesArePrimitiveAndEqual;
+    }
+};
+
+var primitiveTypes = { 'undefined':1, 'boolean':1, 'number':1, 'string':1 };
+function valuesArePrimitiveAndEqual(a, b) {
+    var oldValueIsPrimitive = (a === null) || (typeof(a) in primitiveTypes);
+    return oldValueIsPrimitive ? (a === b) : false;
+}
+
+function applyExtenders(requestedExtenders) {
+    var target = this;
+    if (requestedExtenders) {
+        ko.utils.objectForEach(requestedExtenders, function(key, value) {
+            var extenderHandler = ko.extenders[key];
+            if (typeof extenderHandler == 'function') {
+                target = extenderHandler(target, value) || target;
+            }
+        });
+    }
+    return target;
+}
+
+ko.exportSymbol('extenders', ko.extenders);
+
+ko.subscription = function (target, callback, disposeCallback) {
+    this.target = target;
+    this.callback = callback;
+    this.disposeCallback = disposeCallback;
+    ko.exportProperty(this, 'dispose', this.dispose);
+};
+ko.subscription.prototype.dispose = function () {
+    this.isDisposed = true;
+    this.disposeCallback();
+};
+
+ko.subscribable = function () {
+    this._subscriptions = {};
+
+    ko.utils.extend(this, ko.subscribable['fn']);
+    ko.exportProperty(this, 'subscribe', this.subscribe);
+    ko.exportProperty(this, 'extend', this.extend);
+    ko.exportProperty(this, 'getSubscriptionsCount', this.getSubscriptionsCount);
+}
+
+var defaultEvent = "change";
+
+ko.subscribable['fn'] = {
+    subscribe: function (callback, callbackTarget, event) {
+        event = event || defaultEvent;
+        var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
+
+        var subscription = new ko.subscription(this, boundCallback, function () {
+            ko.utils.arrayRemoveItem(this._subscriptions[event], subscription);
+        }.bind(this));
+
+        if (!this._subscriptions[event])
+            this._subscriptions[event] = [];
+        this._subscriptions[event].push(subscription);
+        return subscription;
+    },
+
+    "notifySubscribers": function (valueToNotify, event) {
+        event = event || defaultEvent;
+        if (this.hasSubscriptionsForEvent(event)) {
+            try {
+                ko.dependencyDetection.begin();
+                for (var a = this._subscriptions[event].slice(0), i = 0, subscription; subscription = a[i]; ++i) {
+                    // In case a subscription was disposed during the arrayForEach cycle, check
+                    // for isDisposed on each subscription before invoking its callback
+                    if (subscription && (subscription.isDisposed !== true))
+                        subscription.callback(valueToNotify);
+                }
+            } finally {
+                ko.dependencyDetection.end();
+            }
+        }
+    },
+
+    hasSubscriptionsForEvent: function(event) {
+        return this._subscriptions[event] && this._subscriptions[event].length;
+    },
+
+    getSubscriptionsCount: function () {
+        var total = 0;
+        ko.utils.objectForEach(this._subscriptions, function(eventName, subscriptions) {
+            total += subscriptions.length;
+        });
+        return total;
+    },
+
+    extend: applyExtenders
+};
+
+
+ko.isSubscribable = function (instance) {
+    return instance != null && typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
+};
+
+ko.exportSymbol('subscribable', ko.subscribable);
+ko.exportSymbol('isSubscribable', ko.isSubscribable);
+
+ko.dependencyDetection = (function () {
+    var _frames = [];
+
+    return {
+        begin: function (callback) {
+            _frames.push(callback && { callback: callback, distinctDependencies:[] });
+        },
+
+        end: function () {
+            _frames.pop();
+        },
+
+        registerDependency: function (subscribable) {
+            if (!ko.isSubscribable(subscribable))
+                throw new Error("Only subscribable things can act as dependencies");
+            if (_frames.length > 0) {
+                var topFrame = _frames[_frames.length - 1];
+                if (!topFrame || ko.utils.arrayIndexOf(topFrame.distinctDependencies, subscribable) >= 0)
+                    return;
+                topFrame.distinctDependencies.push(subscribable);
+                topFrame.callback(subscribable);
+            }
+        },
+
+        ignore: function(callback, callbackTarget, callbackArgs) {
+            try {
+                _frames.push(null);
+                return callback.apply(callbackTarget, callbackArgs || []);
+            } finally {
+                _frames.pop();
+            }
+        }
+    };
+})();
+ko.observable = function (initialValue) {
+    var _latestValue = initialValue;
+
+    function observable() {
+        if (arguments.length > 0) {
+            // Write
+
+            // Ignore writes if the value hasn't changed
+            if (!observable['equalityComparer'] || !observable['equalityComparer'](_latestValue, arguments[0])) {
+                observable.valueWillMutate();
+                _latestValue = arguments[0];
+                if (DEBUG) observable._latestValue = _latestValue;
+                observable.valueHasMutated();
+            }
+            return this; // Permits chained assignments
+        }
+        else {
+            // Read
+            ko.dependencyDetection.registerDependency(observable); // The caller only needs to be notified of changes if they did a "read" operation
+            return _latestValue;
+        }
+    }
+    if (DEBUG) observable._latestValue = _latestValue;
+    ko.subscribable.call(observable);
+    observable.peek = function() { return _latestValue };
+    observable.valueHasMutated = function () { observable["notifySubscribers"](_latestValue); }
+    observable.valueWillMutate = function () { observable["notifySubscribers"](_latestValue, "beforeChange"); }
+    ko.utils.extend(observable, ko.observable['fn']);
+
+    ko.exportProperty(observable, 'peek', observable.peek);
+    ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
+    ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
+
+    return observable;
+}
+
+ko.observable['fn'] = {
+    "equalityComparer": valuesArePrimitiveAndEqual
+};
+
+var protoProperty = ko.observable.protoProperty = "__ko_proto__";
+ko.observable['fn'][protoProperty] = ko.observable;
+
+ko.hasPrototype = function(instance, prototype) {
+    if ((instance === null) || (instance === undefined) || (instance[protoProperty] === undefined)) return false;
+    if (instance[protoProperty] === prototype) return true;
+    return ko.hasPrototype(instance[protoProperty], prototype); // Walk the prototype chain
+};
+
+ko.isObservable = function (instance) {
+    return ko.hasPrototype(instance, ko.observable);
+}
+ko.isWriteableObservable = function (instance) {
+    // Observable
+    if ((typeof instance == "function") && instance[protoProperty] === ko.observable)
+        return true;
+    // Writeable dependent observable
+    if ((typeof instance == "function") && (instance[protoProperty] === ko.dependentObservable) && (instance.hasWriteFunction))
+        return true;
+    // Anything else
+    return false;
+}
+
+
+ko.exportSymbol('observable', ko.observable);
+ko.exportSymbol('isObservable', ko.isObservable);
+ko.exportSymbol('isWriteableObservable', ko.isWriteableObservable);
+ko.observableArray = function (initialValues) {
+    initialValues = initialValues || [];
+
+    if (typeof initialValues != 'object' || !('length' in initialValues))
+        throw new Error("The argument passed when initializing an observable array must be an array, or null, or undefined.");
+
+    var result = ko.observable(initialValues);
+    ko.utils.extend(result, ko.observableArray['fn']);
+    return result.extend({'trackArrayChanges':true});
+};
+
+ko.observableArray['fn'] = {
+    'remove': function (valueOrPredicate) {
+        var underlyingArray = this.peek();
+        var removedValues = [];
+        var predicate = typeof valueOrPredicate == "function" && !ko.isObservable(valueOrPredicate) ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
+        for (var i = 0; i < underlyingArray.length; i++) {
+            var value = underlyingArray[i];
+            if (predicate(value)) {
+                if (removedValues.length === 0) {
+                    this.valueWillMutate();
+                }
+                removedValues.push(value);
+                underlyingArray.splice(i, 1);
+                i--;
+            }
+        }
+        if (removedValues.length) {
+            this.valueHasMutated();
+        }
+        return removedValues;
+    },
+
+    'removeAll': function (arrayOfValues) {
+        // If you passed zero args, we remove everything
+        if (arrayOfValues === undefined) {
+            var underlyingArray = this.peek();
+            var allValues = underlyingArray.slice(0);
+            this.valueWillMutate();
+            underlyingArray.splice(0, underlyingArray.length);
+            this.valueHasMutated();
+            return allValues;
+        }
+        // If you passed an arg, we interpret it as an array of entries to remove
+        if (!arrayOfValues)
+            return [];
+        return this['remove'](function (value) {
+            return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
+        });
+    },
+
+    'destroy': function (valueOrPredicate) {
+        var underlyingArray = this.peek();
+        var predicate = typeof valueOrPredicate == "function" && !ko.isObservable(valueOrPredicate) ? valueOrPredicate : function (value) { return value === valueOrPredicate; };
+        this.valueWillMutate();
+        for (var i = underlyingArray.length - 1; i >= 0; i--) {
+            var value = underlyingArray[i];
+            if (predicate(value))
+                underlyingArray[i]["_destroy"] = true;
+        }
+        this.valueHasMutated();
+    },
+
+    'destroyAll': function (arrayOfValues) {
+        // If you passed zero args, we destroy everything
+        if (arrayOfValues === undefined)
+            return this['destroy'](function() { return true });
+
+        // If you passed an arg, we interpret it as an array of entries to destroy
+        if (!arrayOfValues)
+            return [];
+        return this['destroy'](function (value) {
+            return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
+        });
+    },
+
+    'indexOf': function (item) {
+        var underlyingArray = this();
+        return ko.utils.arrayIndexOf(underlyingArray, item);
+    },
+
+    'replace': function(oldItem, newItem) {
+        var index = this['indexOf'](oldItem);
+        if (index >= 0) {
+            this.valueWillMutate();
+            this.peek()[index] = newItem;
+            this.valueHasMutated();
+        }
+    }
+};
+
+// Populate ko.observableArray.fn with read/write functions from native arrays
+// Important: Do not add any additional functions here that may reasonably be used to *read* data from the array
+// because we'll eval them without causing subscriptions, so ko.computed output could end up getting stale
+ko.utils.arrayForEach(["pop", "push", "reverse", "shift", "sort", "splice", "unshift"], function (methodName) {
+    ko.observableArray['fn'][methodName] = function () {
+        // Use "peek" to avoid creating a subscription in any computed that we're executing in the context of
+        // (for consistency with mutating regular observables)
+        var underlyingArray = this.peek();
+        this.valueWillMutate();
+        this.cacheDiffForKnownOperation(underlyingArray, methodName, arguments);
+        var methodCallResult = underlyingArray[methodName].apply(underlyingArray, arguments);
+        this.valueHasMutated();
+        return methodCallResult;
+    };
+});
+
+// Populate ko.observableArray.fn with read-only functions from native arrays
+ko.utils.arrayForEach(["slice"], function (methodName) {
+    ko.observableArray['fn'][methodName] = function () {
+        var underlyingArray = this();
+        return underlyingArray[methodName].apply(underlyingArray, arguments);
+    };
+});
+
+ko.exportSymbol('observableArray', ko.observableArray);
+var arrayChangeEventName = 'arrayChange';
+ko.extenders['trackArrayChanges'] = function(target) {
+    // Only modify the target observable once
+    if (target.cacheDiffForKnownOperation) {
+        return;
+    }
+    var trackingChanges = false,
+        cachedDiff = null,
+        pendingNotifications = 0,
+        underlyingSubscribeFunction = target.subscribe;
+
+    // Intercept "subscribe" calls, and for array change events, ensure change tracking is enabled
+    target.subscribe = target['subscribe'] = function(callback, callbackTarget, event) {
+        if (event === arrayChangeEventName) {
+            trackChanges();
+        }
+        return underlyingSubscribeFunction.apply(this, arguments);
+    };
+
+    function trackChanges() {
+        // Calling 'trackChanges' multiple times is the same as calling it once
+        if (trackingChanges) {
+            return;
+        }
+
+        trackingChanges = true;
+
+        // Intercept "notifySubscribers" to track how many times it was called.
+        var underlyingNotifySubscribersFunction = target['notifySubscribers'];
+        target['notifySubscribers'] = function(valueToNotify, event) {
+            if (!event || event === defaultEvent) {
+                ++pendingNotifications;
+            }
+            return underlyingNotifySubscribersFunction.apply(this, arguments);
+        };
+
+        // Each time the array changes value, capture a clone so that on the next
+        // change it's possible to produce a diff
+        var previousContents = [].concat(target.peek() || []);
+        cachedDiff = null;
+        target.subscribe(function(currentContents) {
+            // Make a copy of the current contents and ensure it's an array
+            currentContents = [].concat(currentContents || []);
+
+            // Compute the diff and issue notifications, but only if someone is listening
+            if (target.hasSubscriptionsForEvent(arrayChangeEventName)) {
+                var changes = getChanges(previousContents, currentContents);
+                if (changes.length) {
+                    target['notifySubscribers'](changes, arrayChangeEventName);
+                }
+            }
+
+            // Eliminate references to the old, removed items, so they can be GCed
+            previousContents = currentContents;
+            cachedDiff = null;
+            pendingNotifications = 0;
+        });
+    }
+
+    function getChanges(previousContents, currentContents) {
+        // We try to re-use cached diffs.
+        // The only scenario where pendingNotifications > 1 is when using the KO 'deferred updates' plugin,
+        // which without this check would not be compatible with arrayChange notifications. Without that
+        // plugin, notifications are always issued immediately so we wouldn't be queueing up more than one.
+        if (!cachedDiff || pendingNotifications > 1) {
+            cachedDiff = ko.utils.compareArrays(previousContents, currentContents, { 'sparse': true });
+        }
+
+        return cachedDiff;
+    }
+
+    target.cacheDiffForKnownOperation = function(rawArray, operationName, args) {
+        // Only run if we're currently tracking changes for this observable array
+        // and there aren't any pending deferred notifications.
+        if (!trackingChanges || pendingNotifications) {
+            return;
+        }
+        var diff = [],
+            arrayLength = rawArray.length,
+            argsLength = args.length,
+            offset = 0;
+
+        function pushDiff(status, value, index) {
+            diff.push({ 'status': status, 'value': value, 'index': index });
+        }
+        switch (operationName) {
+            case 'push':
+                offset = arrayLength;
+            case 'unshift':
+                for (var index = 0; index < argsLength; index++) {
+                    pushDiff('added', args[index], offset + index);
+                }
+                break;
+
+            case 'pop':
+                offset = arrayLength - 1;
+            case 'shift':
+                if (arrayLength) {
+                    pushDiff('deleted', rawArray[offset], offset);
+                }
+                break;
+
+            case 'splice':
+                // Negative start index means 'from end of array'. After that we clamp to [0...arrayLength].
+                // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
+                var startIndex = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
+                    endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(startIndex + (args[1] || 0), arrayLength),
+                    endAddIndex = startIndex + argsLength - 2,
+                    endIndex = Math.max(endDeleteIndex, endAddIndex);
+                for (var index = startIndex, argsIndex = 2; index < endIndex; ++index, ++argsIndex) {
+                    if (index < endDeleteIndex)
+                        pushDiff('deleted', rawArray[index], index);
+                    if (index < endAddIndex)
+                        pushDiff('added', args[argsIndex], index);
+                }
+                break;
+
+            default:
+                return;
+        }
+        cachedDiff = diff;
+    };
+};
+ko.dependentObservable = function (evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
+    var _latestValue,
+        _hasBeenEvaluated = false,
+        _isBeingEvaluated = false,
+        _suppressDisposalUntilDisposeWhenReturnsFalse = false,
+        readFunction = evaluatorFunctionOrOptions;
+
+    if (readFunction && typeof readFunction == "object") {
+        // Single-parameter syntax - everything is on this "options" param
+        options = readFunction;
+        readFunction = options["read"];
+    } else {
+        // Multi-parameter syntax - construct the options according to the params passed
+        options = options || {};
+        if (!readFunction)
+            readFunction = options["read"];
+    }
+    if (typeof readFunction != "function")
+        throw new Error("Pass a function that returns the value of the ko.computed");
+
+    function addSubscriptionToDependency(subscribable) {
+        _subscriptionsToDependencies.push(subscribable.subscribe(evaluatePossiblyAsync));
+    }
+
+    function disposeAllSubscriptionsToDependencies() {
+        ko.utils.arrayForEach(_subscriptionsToDependencies, function (subscription) {
+            subscription.dispose();
+        });
+        _subscriptionsToDependencies = [];
+    }
+
+    function evaluatePossiblyAsync() {
+        var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
+        if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
+            clearTimeout(evaluationTimeoutInstance);
+            evaluationTimeoutInstance = setTimeout(evaluateImmediate, throttleEvaluationTimeout);
+        } else
+            evaluateImmediate();
+    }
+
+    function evaluateImmediate() {
+        if (_isBeingEvaluated) {
+            // If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
+            // This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
+            // certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
+            // their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
+            return;
+        }
+
+        if (disposeWhen && disposeWhen()) {
+            // See comment below about _suppressDisposalUntilDisposeWhenReturnsFalse
+            if (!_suppressDisposalUntilDisposeWhenReturnsFalse) {
+                dispose();
+                _hasBeenEvaluated = true;
+                return;
+            }
+        } else {
+            // It just did return false, so we can stop suppressing now
+            _suppressDisposalUntilDisposeWhenReturnsFalse = false;
+        }
+
+        _isBeingEvaluated = true;
+        try {
+            // Initially, we assume that none of the subscriptions are still being used (i.e., all are candidates for disposal).
+            // Then, during evaluation, we cross off any that are in fact still being used.
+            var disposalCandidates = ko.utils.arrayMap(_subscriptionsToDependencies, function(item) {return item.target;});
+
+            ko.dependencyDetection.begin(function(subscribable) {
+                var inOld;
+                if ((inOld = ko.utils.arrayIndexOf(disposalCandidates, subscribable)) >= 0)
+                    disposalCandidates[inOld] = undefined; // Don't want to dispose this subscription, as it's still being used
+                else
+                    addSubscriptionToDependency(subscribable); // Brand new subscription - add it
+            });
+
+            var newValue = evaluatorFunctionTarget ? readFunction.call(evaluatorFunctionTarget) : readFunction();
+
+            // For each subscription no longer being used, remove it from the active subscriptions list and dispose it
+            for (var i = disposalCandidates.length - 1; i >= 0; i--) {
+                if (disposalCandidates[i])
+                    _subscriptionsToDependencies.splice(i, 1)[0].dispose();
+            }
+            _hasBeenEvaluated = true;
+
+            if (!dependentObservable['equalityComparer'] || !dependentObservable['equalityComparer'](_latestValue, newValue)) {
+                dependentObservable["notifySubscribers"](_latestValue, "beforeChange");
+
+                _latestValue = newValue;
+                if (DEBUG) dependentObservable._latestValue = _latestValue;
+                dependentObservable["notifySubscribers"](_latestValue);
+            }
+        } finally {
+            ko.dependencyDetection.end();
+            _isBeingEvaluated = false;
+        }
+
+        if (!_subscriptionsToDependencies.length)
+            dispose();
+    }
+
+    function dependentObservable() {
+        if (arguments.length > 0) {
+            if (typeof writeFunction === "function") {
+                // Writing a value
+                writeFunction.apply(evaluatorFunctionTarget, arguments);
+            } else {
+                throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
+            }
+            return this; // Permits chained assignments
+        } else {
+            // Reading the value
+            if (!_hasBeenEvaluated)
+                evaluateImmediate();
+            ko.dependencyDetection.registerDependency(dependentObservable);
+            return _latestValue;
+        }
+    }
+
+    function peek() {
+        if (!_hasBeenEvaluated)
+            evaluateImmediate();
+        return _latestValue;
+    }
+
+    function isActive() {
+        return !_hasBeenEvaluated || _subscriptionsToDependencies.length > 0;
+    }
+
+    // By here, "options" is always non-null
+    var writeFunction = options["write"],
+        disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
+        disposeWhenOption = options["disposeWhen"] || options.disposeWhen,
+        disposeWhen = disposeWhenOption,
+        dispose = disposeAllSubscriptionsToDependencies,
+        _subscriptionsToDependencies = [],
+        evaluationTimeoutInstance = null;
+
+    if (!evaluatorFunctionTarget)
+        evaluatorFunctionTarget = options["owner"];
+
+    dependentObservable.peek = peek;
+    dependentObservable.getDependenciesCount = function () { return _subscriptionsToDependencies.length; };
+    dependentObservable.hasWriteFunction = typeof options["write"] === "function";
+    dependentObservable.dispose = function () { dispose(); };
+    dependentObservable.isActive = isActive;
+
+    ko.subscribable.call(dependentObservable);
+    ko.utils.extend(dependentObservable, ko.dependentObservable['fn']);
+
+    ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
+    ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
+    ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
+    ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
+
+    // Add a "disposeWhen" callback that, on each evaluation, disposes if the node was removed without using ko.removeNode.
+    if (disposeWhenNodeIsRemoved) {
+        // Since this computed is associated with a DOM node, and we don't want to dispose the computed
+        // until the DOM node is *removed* from the document (as opposed to never having been in the document),
+        // we'll prevent disposal until "disposeWhen" first returns false.
+        _suppressDisposalUntilDisposeWhenReturnsFalse = true;
+
+        // Only watch for the node's disposal if the value really is a node. It might not be,
+        // e.g., { disposeWhenNodeIsRemoved: true } can be used to opt into the "only dispose
+        // after first false result" behaviour even if there's no specific node to watch. This
+        // technique is intended for KO's internal use only and shouldn't be documented or used
+        // by application code, as it's likely to change in a future version of KO.
+        if (disposeWhenNodeIsRemoved.nodeType) {
+            disposeWhen = function () {
+                return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || (disposeWhenOption && disposeWhenOption());
+            };
+        }
+    }
+
+    // Evaluate, unless deferEvaluation is true
+    if (options['deferEvaluation'] !== true)
+        evaluateImmediate();
+
+    // Attach a DOM node disposal callback so that the computed will be proactively disposed as soon as the node is
+    // removed using ko.removeNode. But skip if isActive is false (there will never be any dependencies to dispose).
+    if (disposeWhenNodeIsRemoved && isActive()) {
+        dispose = function() {
+            ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, dispose);
+            disposeAllSubscriptionsToDependencies();
+        };
+        ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
+    }
+
+    return dependentObservable;
+};
+
+ko.isComputed = function(instance) {
+    return ko.hasPrototype(instance, ko.dependentObservable);
+};
+
+var protoProp = ko.observable.protoProperty; // == "__ko_proto__"
+ko.dependentObservable[protoProp] = ko.observable;
+
+ko.dependentObservable['fn'] = {
+    "equalityComparer": valuesArePrimitiveAndEqual
+};
+ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
+
+ko.exportSymbol('dependentObservable', ko.dependentObservable);
+ko.exportSymbol('computed', ko.dependentObservable); // Make "ko.computed" an alias for "ko.dependentObservable"
+ko.exportSymbol('isComputed', ko.isComputed);
+
+(function() {
+    var maxNestedObservableDepth = 10; // Escape the (unlikely) pathalogical case where an observable's current value is itself (or similar reference cycle)
+
+    ko.toJS = function(rootObject) {
+        if (arguments.length == 0)
+            throw new Error("When calling ko.toJS, pass the object you want to convert.");
+
+        // We just unwrap everything at every level in the object graph
+        return mapJsObjectGraph(rootObject, function(valueToMap) {
+            // Loop because an observable's value might in turn be another observable wrapper
+            for (var i = 0; ko.isObservable(valueToMap) && (i < maxNestedObservableDepth); i++)
+                valueToMap = valueToMap();
+            return valueToMap;
+        });
+    };
+
+    ko.toJSON = function(rootObject, replacer, space) {     // replacer and space are optional
+        var plainJavaScriptObject = ko.toJS(rootObject);
+        return ko.utils.stringifyJson(plainJavaScriptObject, replacer, space);
+    };
+
+    function mapJsObjectGraph(rootObject, mapInputCallback, visitedObjects) {
+        visitedObjects = visitedObjects || new objectLookup();
+
+        rootObject = mapInputCallback(rootObject);
+        var canHaveProperties = (typeof rootObject == "object") && (rootObject !== null) && (rootObject !== undefined) && (!(rootObject instanceof Date)) && (!(rootObject instanceof String)) && (!(rootObject instanceof Number)) && (!(rootObject instanceof Boolean));
+        if (!canHaveProperties)
+            return rootObject;
+
+        var outputProperties = rootObject instanceof Array ? [] : {};
+        visitedObjects.save(rootObject, outputProperties);
+
+        visitPropertiesOrArrayEntries(rootObject, function(indexer) {
+            var propertyValue = mapInputCallback(rootObject[indexer]);
+
+            switch (typeof propertyValue) {
+                case "boolean":
+                case "number":
+                case "string":
+                case "function":
+                    outputProperties[indexer] = propertyValue;
+                    break;
+                case "object":
+                case "undefined":
+                    var previouslyMappedValue = visitedObjects.get(propertyValue);
+                    outputProperties[indexer] = (previouslyMappedValue !== undefined)
+                        ? previouslyMappedValue
+                        : mapJsObjectGraph(propertyValue, mapInputCallback, visitedObjects);
+                    break;
+            }
+        });
+
+        return outputProperties;
+    }
+
+    function visitPropertiesOrArrayEntries(rootObject, visitorCallback) {
+        if (rootObject instanceof Array) {
+            for (var i = 0; i < rootObject.length; i++)
+                visitorCallback(i);
+
+            // For arrays, also respect toJSON property for custom mappings (fixes #278)
+            if (typeof rootObject['toJSON'] == 'function')
+                visitorCallback('toJSON');
+        } else {
+            for (var propertyName in rootObject) {
+                visitorCallback(propertyName);
+            }
+        }
+    };
+
+    function objectLookup() {
+        this.keys = [];
+        this.values = [];
+    };
+
+    objectLookup.prototype = {
+        constructor: objectLookup,
+        save: function(key, value) {
+            var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
+            if (existingIndex >= 0)
+                this.values[existingIndex] = value;
+            else {
+                this.keys.push(key);
+                this.values.push(value);
+            }
+        },
+        get: function(key) {
+            var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
+            return (existingIndex >= 0) ? this.values[existingIndex] : undefined;
+        }
+    };
+})();
+
+ko.exportSymbol('toJS', ko.toJS);
+ko.exportSymbol('toJSON', ko.toJSON);
+(function () {
+    var hasDomDataExpandoProperty = '__ko__hasDomDataOptionValue__';
+
+    // Normally, SELECT elements and their OPTIONs can only take value of type 'string' (because the values
+    // are stored on DOM attributes). ko.selectExtensions provides a way for SELECTs/OPTIONs to have values
+    // that are arbitrary objects. This is very convenient when implementing things like cascading dropdowns.
+    ko.selectExtensions = {
+        readValue : function(element) {
+            switch (ko.utils.tagNameLower(element)) {
+                case 'option':
+                    if (element[hasDomDataExpandoProperty] === true)
+                        return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
+                    return ko.utils.ieVersion <= 7
+                        ? (element.getAttributeNode('value') && element.getAttributeNode('value').specified ? element.value : element.text)
+                        : element.value;
+                case 'select':
+                    return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
+                default:
+                    return element.value;
+            }
+        },
+
+        writeValue: function(element, value) {
+            switch (ko.utils.tagNameLower(element)) {
+                case 'option':
+                    switch(typeof value) {
+                        case "string":
+                            ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, undefined);
+                            if (hasDomDataExpandoProperty in element) { // IE <= 8 throws errors if you delete non-existent properties from a DOM node
+                                delete element[hasDomDataExpandoProperty];
+                            }
+                            element.value = value;
+                            break;
+                        default:
+                            // Store arbitrary object using DomData
+                            ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, value);
+                            element[hasDomDataExpandoProperty] = true;
+
+                            // Special treatment of numbers is just for backward compatibility. KO 1.2.1 wrote numerical values to element.value.
+                            element.value = typeof value === "number" ? value : "";
+                            break;
+                    }
+                    break;
+                case 'select':
+                    if (value === "")
+                        value = undefined;
+                    if (value === null || value === undefined)
+                        element.selectedIndex = -1;
+                    for (var i = element.options.length - 1; i >= 0; i--) {
+                        if (ko.selectExtensions.readValue(element.options[i]) == value) {
+                            element.selectedIndex = i;
+                            break;
+                        }
+                    }
+                    // for drop-down select, ensure first is selected
+                    if (!(element.size > 1) && element.selectedIndex === -1) {
+                        element.selectedIndex = 0;
+                    }
+                    break;
+                default:
+                    if ((value === null) || (value === undefined))
+                        value = "";
+                    element.value = value;
+                    break;
+            }
+        }
+    };
+})();
+
+ko.exportSymbol('selectExtensions', ko.selectExtensions);
+ko.exportSymbol('selectExtensions.readValue', ko.selectExtensions.readValue);
+ko.exportSymbol('selectExtensions.writeValue', ko.selectExtensions.writeValue);
+ko.expressionRewriting = (function () {
+    var javaScriptReservedWords = ["true", "false", "null", "undefined"];
+
+    // Matches something that can be assigned to--either an isolated identifier or something ending with a property accessor
+    // This is designed to be simple and avoid false negatives, but could produce false positives (e.g., a+b.c).
+    // This also will not properly handle nested brackets (e.g., obj1[obj2['prop']]; see #911).
+    var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
+
+    function getWriteableValue(expression) {
+        if (ko.utils.arrayIndexOf(javaScriptReservedWords, expression) >= 0)
+            return false;
+        var match = expression.match(javaScriptAssignmentTarget);
+        return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
+    }
+
+    // The following regular expressions will be used to split an object-literal string into tokens
+
+        // These two match strings, either with double quotes or single quotes
+    var stringDouble = '"(?:[^"\\\\]|\\\\.)*"',
+        stringSingle = "'(?:[^'\\\\]|\\\\.)*'",
+        // Matches a regular expression (text enclosed by slashes), but will also match sets of divisions
+        // as a regular expression (this is handled by the parsing loop below).
+        stringRegexp = '/(?:[^/\\\\]|\\\\.)*/\w*',
+        // These characters have special meaning to the parser and must not appear in the middle of a
+        // token, except as part of a string.
+        specials = ',"\'{}()/:[\\]',
+        // Match text (at least two characters) that does not contain any of the above special characters,
+        // although some of the special characters are allowed to start it (all but the colon and comma).
+        // The text can contain spaces, but leading or trailing spaces are skipped.
+        everyThingElse = '[^\\s:,/][^' + specials + ']*[^\\s' + specials + ']',
+        // Match any non-space character not matched already. This will match colons and commas, since they're
+        // not matched by "everyThingElse", but will also match any other single character that wasn't already
+        // matched (for example: in "a: 1, b: 2", each of the non-space characters will be matched by oneNotSpace).
+        oneNotSpace = '[^\\s]',
+
+        // Create the actual regular expression by or-ing the above strings. The order is important.
+        bindingToken = RegExp(stringDouble + '|' + stringSingle + '|' + stringRegexp + '|' + everyThingElse + '|' + oneNotSpace, 'g'),
+
+        // Match end of previous token to determine whether a slash is a division or regex.
+        divisionLookBehind = /[\])"'A-Za-z0-9_$]+$/,
+        keywordRegexLookBehind = {'in':1,'return':1,'typeof':1};
+
+    function parseObjectLiteral(objectLiteralString) {
+        // Trim leading and trailing spaces from the string
+        var str = ko.utils.stringTrim(objectLiteralString);
+
+        // Trim braces '{' surrounding the whole object literal
+        if (str.charCodeAt(0) === 123) str = str.slice(1, -1);
+
+        // Split into tokens
+        var result = [], toks = str.match(bindingToken), key, values, depth = 0;
+
+        if (toks) {
+            // Append a comma so that we don't need a separate code block to deal with the last item
+            toks.push(',');
+
+            for (var i = 0, tok; tok = toks[i]; ++i) {
+                var c = tok.charCodeAt(0);
+                // A comma signals the end of a key/value pair if depth is zero
+                if (c === 44) { // ","
+                    if (depth <= 0) {
+                        if (key)
+                            result.push(values ? {key: key, value: values.join('')} : {'unknown': key});
+                        key = values = depth = 0;
+                        continue;
+                    }
+                // Simply skip the colon that separates the name and value
+                } else if (c === 58) { // ":"
+                    if (!values)
+                        continue;
+                // A set of slashes is initially matched as a regular expression, but could be division
+                } else if (c === 47 && i && tok.length > 1) {  // "/"
+                    // Look at the end of the previous token to determine if the slash is actually division
+                    var match = toks[i-1].match(divisionLookBehind);
+                    if (match && !keywordRegexLookBehind[match[0]]) {
+                        // The slash is actually a division punctuator; re-parse the remainder of the string (not including the slash)
+                        str = str.substr(str.indexOf(tok) + 1);
+                        toks = str.match(bindingToken);
+                        toks.push(',');
+                        i = -1;
+                        // Continue with just the slash
+                        tok = '/';
+                    }
+                // Increment depth for parentheses, braces, and brackets so that interior commas are ignored
+                } else if (c === 40 || c === 123 || c === 91) { // '(', '{', '['
+                    ++depth;
+                } else if (c === 41 || c === 125 || c === 93) { // ')', '}', ']'
+                    --depth;
+                // The key must be a single token; if it's a string, trim the quotes
+                } else if (!key && !values) {
+                    key = (c === 34 || c === 39) /* '"', "'" */ ? tok.slice(1, -1) : tok;
+                    continue;
+                }
+                if (values)
+                    values.push(tok);
+                else
+                    values = [tok];
+            }
+        }
+        return result;
+    }
+
+    // Two-way bindings include a write function that allow the handler to update the value even if it's not an observable.
+    var twoWayBindings = {};
+
+    function preProcessBindings(bindingsStringOrKeyValueArray, bindingOptions) {
+        bindingOptions = bindingOptions || {};
+
+        function processKeyValue(key, val) {
+            var writableVal;
+            function callPreprocessHook(obj) {
+                return (obj && obj['preprocess']) ? (val = obj['preprocess'](val, key, processKeyValue)) : true;
+            }
+            if (!callPreprocessHook(ko['getBindingHandler'](key)))
+                return;
+
+            if (twoWayBindings[key] && (writableVal = getWriteableValue(val))) {
+                // For two-way bindings, provide a write method in case the value
+                // isn't a writable observable.
+                propertyAccessorResultStrings.push("'" + key + "':function(_z){" + writableVal + "=_z}");
+            }
+
+            // Values are wrapped in a function so that each value can be accessed independently
+            if (makeValueAccessors) {
+                val = 'function(){return ' + val + ' }';
+            }
+            resultStrings.push("'" + key + "':" + val);
+        }
+
+        var resultStrings = [],
+            propertyAccessorResultStrings = [],
+            makeValueAccessors = bindingOptions['valueAccessors'],
+            keyValueArray = typeof bindingsStringOrKeyValueArray === "string" ?
+                parseObjectLiteral(bindingsStringOrKeyValueArray) : bindingsStringOrKeyValueArray;
+
+        ko.utils.arrayForEach(keyValueArray, function(keyValue) {
+            processKeyValue(keyValue.key || keyValue['unknown'], keyValue.value);
+        });
+
+        if (propertyAccessorResultStrings.length)
+            processKeyValue('_ko_property_writers', "{" + propertyAccessorResultStrings.join(",") + "}");
+
+        return resultStrings.join(",");
+    }
+
+    return {
+        bindingRewriteValidators: [],
+
+        twoWayBindings: twoWayBindings,
+
+        parseObjectLiteral: parseObjectLiteral,
+
+        preProcessBindings: preProcessBindings,
+
+        keyValueArrayContainsKey: function(keyValueArray, key) {
+            for (var i = 0; i < keyValueArray.length; i++)
+                if (keyValueArray[i]['key'] == key)
+                    return true;
+            return false;
+        },
+
+        // Internal, private KO utility for updating model properties from within bindings
+        // property:            If the property being updated is (or might be) an observable, pass it here
+        //                      If it turns out to be a writable observable, it will be written to directly
+        // allBindings:         An object with a get method to retrieve bindings in the current execution context.
+        //                      This will be searched for a '_ko_property_writers' property in case you're writing to a non-observable
+        // key:                 The key identifying the property to be written. Example: for { hasFocus: myValue }, write to 'myValue' by specifying the key 'hasFocus'
+        // value:               The value to be written
+        // checkIfDifferent:    If true, and if the property being written is a writable observable, the value will only be written if
+        //                      it is !== existing value on that writable observable
+        writeValueToProperty: function(property, allBindings, key, value, checkIfDifferent) {
+            if (!property || !ko.isObservable(property)) {
+                var propWriters = allBindings.get('_ko_property_writers');
+                if (propWriters && propWriters[key])
+                    propWriters[key](value);
+            } else if (ko.isWriteableObservable(property) && (!checkIfDifferent || property.peek() !== value)) {
+                property(value);
+            }
+        }
+    };
+})();
+
+ko.exportSymbol('expressionRewriting', ko.expressionRewriting);
+ko.exportSymbol('expressionRewriting.bindingRewriteValidators', ko.expressionRewriting.bindingRewriteValidators);
+ko.exportSymbol('expressionRewriting.parseObjectLiteral', ko.expressionRewriting.parseObjectLiteral);
+ko.exportSymbol('expressionRewriting.preProcessBindings', ko.expressionRewriting.preProcessBindings);
+
+// Making bindings explicitly declare themselves as "two way" isn't ideal in the long term (it would be better if
+// all bindings could use an official 'property writer' API without needing to declare that they might). However,
+// since this is not, and has never been, a public API (_ko_property_writers was never documented), it's acceptable
+// as an internal implementation detail in the short term.
+// For those developers who rely on _ko_property_writers in their custom bindings, we expose _twoWayBindings as an
+// undocumented feature that makes it relatively easy to upgrade to KO 3.0. However, this is still not an official
+// public API, and we reserve the right to remove it at any time if we create a real public property writers API.
+ko.exportSymbol('expressionRewriting._twoWayBindings', ko.expressionRewriting.twoWayBindings);
+
+// For backward compatibility, define the following aliases. (Previously, these function names were misleading because
+// they referred to JSON specifically, even though they actually work with arbitrary JavaScript object literal expressions.)
+ko.exportSymbol('jsonExpressionRewriting', ko.expressionRewriting);
+ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.expressionRewriting.preProcessBindings);
+(function() {
+    // "Virtual elements" is an abstraction on top of the usual DOM API which understands the notion that comment nodes
+    // may be used to represent hierarchy (in addition to the DOM's natural hierarchy).
+    // If you call the DOM-manipulating functions on ko.virtualElements, you will be able to read and write the state
+    // of that virtual hierarchy
+    //
+    // The point of all this is to support containerless templates (e.g., <!-- ko foreach:someCollection -->blah<!-- /ko -->)
+    // without having to scatter special cases all over the binding and templating code.
+
+    // IE 9 cannot reliably read the "nodeValue" property of a comment node (see https://github.com/SteveSanderson/knockout/issues/186)
+    // but it does give them a nonstandard alternative property called "text" that it can read reliably. Other browsers don't have that property.
+    // So, use node.text where available, and node.nodeValue elsewhere
+    var commentNodesHaveTextProperty = document && document.createComment("test").text === "<!--test-->";
+
+    var startCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*ko(?:\s+([\s\S]+))?\s*-->$/ : /^\s*ko(?:\s+([\s\S]+))?\s*$/;
+    var endCommentRegex =   commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
+    var htmlTagsWithOptionallyClosingChildren = { 'ul': true, 'ol': true };
+
+    function isStartComment(node) {
+        return (node.nodeType == 8) && startCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
+    }
+
+    function isEndComment(node) {
+        return (node.nodeType == 8) && endCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
+    }
+
+    function getVirtualChildren(startComment, allowUnbalanced) {
+        var currentNode = startComment;
+        var depth = 1;
+        var children = [];
+        while (currentNode = currentNode.nextSibling) {
+            if (isEndComment(currentNode)) {
+                depth--;
+                if (depth === 0)
+                    return children;
+            }
+
+            children.push(currentNode);
+
+            if (isStartComment(currentNode))
+                depth++;
+        }
+        if (!allowUnbalanced)
+            throw new Error("Cannot find closing comment tag to match: " + startComment.nodeValue);
+        return null;
+    }
+
+    function getMatchingEndComment(startComment, allowUnbalanced) {
+        var allVirtualChildren = getVirtualChildren(startComment, allowUnbalanced);
+        if (allVirtualChildren) {
+            if (allVirtualChildren.length > 0)
+                return allVirtualChildren[allVirtualChildren.length - 1].nextSibling;
+            return startComment.nextSibling;
+        } else
+            return null; // Must have no matching end comment, and allowUnbalanced is true
+    }
+
+    function getUnbalancedChildTags(node) {
+        // e.g., from <div>OK</div><!-- ko blah --><span>Another</span>, returns: <!-- ko blah --><span>Another</span>
+        //       from <div>OK</div><!-- /ko --><!-- /ko -->,             returns: <!-- /ko --><!-- /ko -->
+        var childNode = node.firstChild, captureRemaining = null;
+        if (childNode) {
+            do {
+                if (captureRemaining)                   // We already hit an unbalanced node and are now just scooping up all subsequent nodes
+                    captureRemaining.push(childNode);
+                else if (isStartComment(childNode)) {
+                    var matchingEndComment = getMatchingEndComment(childNode, /* allowUnbalanced: */ true);
+                    if (matchingEndComment)             // It's a balanced tag, so skip immediately to the end of this virtual set
+                        childNode = matchingEndComment;
+                    else
+                        captureRemaining = [childNode]; // It's unbalanced, so start capturing from this point
+                } else if (isEndComment(childNode)) {
+                    captureRemaining = [childNode];     // It's unbalanced (if it wasn't, we'd have skipped over it already), so start capturing
+                }
+            } while (childNode = childNode.nextSibling);
+        }
+        return captureRemaining;
+    }
+
+    ko.virtualElements = {
+        allowedBindings: {},
+
+        childNodes: function(node) {
+            return isStartComment(node) ? getVirtualChildren(node) : node.childNodes;
+        },
+
+        emptyNode: function(node) {
+            if (!isStartComment(node))
+                ko.utils.emptyDomNode(node);
+            else {
+                var virtualChildren = ko.virtualElements.childNodes(node);
+                for (var i = 0, j = virtualChildren.length; i < j; i++)
+                    ko.removeNode(virtualChildren[i]);
+            }
+        },
+
+        setDomNodeChildren: function(node, childNodes) {
+            if (!isStartComment(node))
+                ko.utils.setDomNodeChildren(node, childNodes);
+            else {
+                ko.virtualElements.emptyNode(node);
+                var endCommentNode = node.nextSibling; // Must be the next sibling, as we just emptied the children
+                for (var i = 0, j = childNodes.length; i < j; i++)
+                    endCommentNode.parentNode.insertBefore(childNodes[i], endCommentNode);
+            }
+        },
+
+        prepend: function(containerNode, nodeToPrepend) {
+            if (!isStartComment(containerNode)) {
+                if (containerNode.firstChild)
+                    containerNode.insertBefore(nodeToPrepend, containerNode.firstChild);
+                else
+                    containerNode.appendChild(nodeToPrepend);
+            } else {
+                // Start comments must always have a parent and at least one following sibling (the end comment)
+                containerNode.parentNode.insertBefore(nodeToPrepend, containerNode.nextSibling);
+            }
+        },
+
+        insertAfter: function(containerNode, nodeToInsert, insertAfterNode) {
+            if (!insertAfterNode) {
+                ko.virtualElements.prepend(containerNode, nodeToInsert);
+            } else if (!isStartComment(containerNode)) {
+                // Insert after insertion point
+                if (insertAfterNode.nextSibling)
+                    containerNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
+                else
+                    containerNode.appendChild(nodeToInsert);
+            } else {
+                // Children of start comments must always have a parent and at least one following sibling (the end comment)
+                containerNode.parentNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
+            }
+        },
+
+        firstChild: function(node) {
+            if (!isStartComment(node))
+                return node.firstChild;
+            if (!node.nextSibling || isEndComment(node.nextSibling))
+                return null;
+            return node.nextSibling;
+        },
+
+        nextSibling: function(node) {
+            if (isStartComment(node))
+                node = getMatchingEndComment(node);
+            if (node.nextSibling && isEndComment(node.nextSibling))
+                return null;
+            return node.nextSibling;
+        },
+
+        hasBindingValue: isStartComment,
+
+        virtualNodeBindingValue: function(node) {
+            var regexMatch = (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
+            return regexMatch ? regexMatch[1] : null;
+        },
+
+        normaliseVirtualElementDomStructure: function(elementVerified) {
+            // Workaround for https://github.com/SteveSanderson/knockout/issues/155
+            // (IE <= 8 or IE 9 quirks mode parses your HTML weirdly, treating closing </li> tags as if they don't exist, thereby moving comment nodes
+            // that are direct descendants of <ul> into the preceding <li>)
+            if (!htmlTagsWithOptionallyClosingChildren[ko.utils.tagNameLower(elementVerified)])
+                return;
+
+            // Scan immediate children to see if they contain unbalanced comment tags. If they do, those comment tags
+            // must be intended to appear *after* that child, so move them there.
+            var childNode = elementVerified.firstChild;
+            if (childNode) {
+                do {
+                    if (childNode.nodeType === 1) {
+                        var unbalancedTags = getUnbalancedChildTags(childNode);
+                        if (unbalancedTags) {
+                            // Fix up the DOM by moving the unbalanced tags to where they most likely were intended to be placed - *after* the child
+                            var nodeToInsertBefore = childNode.nextSibling;
+                            for (var i = 0; i < unbalancedTags.length; i++) {
+                                if (nodeToInsertBefore)
+                                    elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
+                                else
+                                    elementVerified.appendChild(unbalancedTags[i]);
+                            }
+                        }
+                    }
+                } while (childNode = childNode.nextSibling);
+            }
+        }
+    };
+})();
+ko.exportSymbol('virtualElements', ko.virtualElements);
+ko.exportSymbol('virtualElements.allowedBindings', ko.virtualElements.allowedBindings);
+ko.exportSymbol('virtualElements.emptyNode', ko.virtualElements.emptyNode);
+//ko.exportSymbol('virtualElements.firstChild', ko.virtualElements.firstChild);     // firstChild is not minified
+ko.exportSymbol('virtualElements.insertAfter', ko.virtualElements.insertAfter);
+//ko.exportSymbol('virtualElements.nextSibling', ko.virtualElements.nextSibling);   // nextSibling is not minified
+ko.exportSymbol('virtualElements.prepend', ko.virtualElements.prepend);
+ko.exportSymbol('virtualElements.setDomNodeChildren', ko.virtualElements.setDomNodeChildren);
+(function() {
+    var defaultBindingAttributeName = "data-bind";
+
+    ko.bindingProvider = function() {
+        this.bindingCache = {};
+    };
+
+    ko.utils.extend(ko.bindingProvider.prototype, {
+        'nodeHasBindings': function(node) {
+            switch (node.nodeType) {
+                case 1: return node.getAttribute(defaultBindingAttributeName) != null;   // Element
+                case 8: return ko.virtualElements.hasBindingValue(node); // Comment node
+                default: return false;
+            }
+        },
+
+        'getBindings': function(node, bindingContext) {
+            var bindingsString = this['getBindingsString'](node, bindingContext);
+            return bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
+        },
+
+        'getBindingAccessors': function(node, bindingContext) {
+            var bindingsString = this['getBindingsString'](node, bindingContext);
+            return bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node, {'valueAccessors':true}) : null;
+        },
+
+        // The following function is only used internally by this default provider.
+        // It's not part of the interface definition for a general binding provider.
+        'getBindingsString': function(node, bindingContext) {
+            switch (node.nodeType) {
+                case 1: return node.getAttribute(defaultBindingAttributeName);   // Element
+                case 8: return ko.virtualElements.virtualNodeBindingValue(node); // Comment node
+                default: return null;
+            }
+        },
+
+        // The following function is only used internally by this default provider.
+        // It's not part of the interface definition for a general binding provider.
+        'parseBindingsString': function(bindingsString, bindingContext, node, options) {
+            try {
+                var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache, options);
+                return bindingFunction(bindingContext, node);
+            } catch (ex) {
+                ex.message = "Unable to parse bindings.\nBindings value: " + bindingsString + "\nMessage: " + ex.message;
+                throw ex;
+            }
+        }
+    });
+
+    ko.bindingProvider['instance'] = new ko.bindingProvider();
+
+    function createBindingsStringEvaluatorViaCache(bindingsString, cache, options) {
+        var cacheKey = bindingsString + (options && options['valueAccessors'] || '');
+        return cache[cacheKey]
+            || (cache[cacheKey] = createBindingsStringEvaluator(bindingsString, options));
+    }
+
+    function createBindingsStringEvaluator(bindingsString, options) {
+        // Build the source for a function that evaluates "expression"
+        // For each scope variable, add an extra level of "with" nesting
+        // Example result: with(sc1) { with(sc0) { return (expression) } }
+        var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString, options),
+            functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
+        return new Function("$context", "$element", functionBody);
+    }
+})();
+
+ko.exportSymbol('bindingProvider', ko.bindingProvider);
+(function () {
+    ko.bindingHandlers = {};
+
+    // The following element types will not be recursed into during binding. In the future, we
+    // may consider adding <template> to this list, because such elements' contents are always
+    // intended to be bound in a different context from where they appear in the document.
+    var bindingDoesNotRecurseIntoElementTypes = {
+        // Don't want bindings that operate on text nodes to mutate <script> contents,
+        // because it's unexpected and a potential XSS issue
+        'script': true
+    };
+
+    // Use an overridable method for retrieving binding handlers so that a plugins may support dynamically created handlers
+    ko['getBindingHandler'] = function(bindingKey) {
+        return ko.bindingHandlers[bindingKey];
+    };
+
+    // The ko.bindingContext constructor is only called directly to create the root context. For child
+    // contexts, use bindingContext.createChildContext or bindingContext.extend.
+    ko.bindingContext = function(dataItemOrAccessor, parentContext, dataItemAlias, extendCallback) {
+
+        // The binding context object includes static properties for the current, parent, and root view models.
+        // If a view model is actually stored in an observable, the corresponding binding context object, and
+        // any child contexts, must be updated when the view model is changed.
+        function updateContext() {
+            // Most of the time, the context will directly get a view model object, but if a function is given,
+            // we call the function to retrieve the view model. If the function accesses any obsevables (or is
+            // itself an observable), the dependency is tracked, and those observables can later cause the binding
+            // context to be updated.
+            var dataItem = isFunc ? dataItemOrAccessor() : dataItemOrAccessor;
+
+            if (parentContext) {
+                // When a "parent" context is given, register a dependency on the parent context. Thus whenever the
+                // parent context is updated, this context will also be updated.
+                if (parentContext._subscribable)
+                    parentContext._subscribable();
+
+                // Copy $root and any custom properties from the parent context
+                ko.utils.extend(self, parentContext);
+
+                // Because the above copy overwrites our own properties, we need to reset them.
+                // During the first execution, "subscribable" isn't set, so don't bother doing the update then.
+                if (subscribable) {
+                    self._subscribable = subscribable;
+                }
+            } else {
+                self['$parents'] = [];
+                self['$root'] = dataItem;
+
+                // Export 'ko' in the binding context so it will be available in bindings and templates
+                // even if 'ko' isn't exported as a global, such as when using an AMD loader.
+                // See https://github.com/SteveSanderson/knockout/issues/490
+                self['ko'] = ko;
+            }
+            self['$rawData'] = dataItemOrAccessor;
+            self['$data'] = dataItem;
+            if (dataItemAlias)
+                self[dataItemAlias] = dataItem;
+
+            // The extendCallback function is provided when creating a child context or extending a context.
+            // It handles the specific actions needed to finish setting up the binding context. Actions in this
+            // function could also add dependencies to this binding context.
+            if (extendCallback)
+                extendCallback(self, parentContext, dataItem);
+
+            return self['$data'];
+        }
+        function disposeWhen() {
+            return nodes && !ko.utils.anyDomNodeIsAttachedToDocument(nodes);
+        }
+
+        var self = this,
+            isFunc = typeof(dataItemOrAccessor) == "function",
+            nodes,
+            subscribable = ko.dependentObservable(updateContext, null, { disposeWhen: disposeWhen, disposeWhenNodeIsRemoved: true });
+
+        // At this point, the binding context has been initialized, and the "subscribable" computed observable is
+        // subscribed to any observables that were accessed in the process. If there is nothing to track, the
+        // computed will be inactive, and we can safely throw it away. If it's active, the computed is stored in
+        // the context object.
+        if (subscribable.isActive()) {
+            self._subscribable = subscribable;
+
+            // Always notify because even if the model ($data) hasn't changed, other context properties might have changed
+            subscribable['equalityComparer'] = null;
+
+            // We need to be able to dispose of this computed observable when it's no longer needed. This would be
+            // easy if we had a single node to watch, but binding contexts can be used by many different nodes, and
+            // we cannot assume that those nodes have any relation to each other. So instead we track any node that
+            // the context is attached to, and dispose the computed when all of those nodes have been cleaned.
+
+            // Add properties to *subscribable* instead of *self* because any properties added to *self* may be overwritten on updates
+            nodes = [];
+            subscribable._addNode = function(node) {
+                nodes.push(node);
+                ko.utils.domNodeDisposal.addDisposeCallback(node, function(node) {
+                    ko.utils.arrayRemoveItem(nodes, node);
+                    if (!nodes.length) {
+                        subscribable.dispose();
+                        self._subscribable = subscribable = undefined;
+                    }
+                });
+            };
+        }
+    }
+
+    // Extend the binding context hierarchy with a new view model object. If the parent context is watching
+    // any obsevables, the new child context will automatically get a dependency on the parent context.
+    // But this does not mean that the $data value of the child context will also get updated. If the child
+    // view model also depends on the parent view model, you must provide a function that returns the correct
+    // view model on each update.
+    ko.bindingContext.prototype['createChildContext'] = function (dataItemOrAccessor, dataItemAlias, extendCallback) {
+        return new ko.bindingContext(dataItemOrAccessor, this, dataItemAlias, function(self, parentContext) {
+            // Extend the context hierarchy by setting the appropriate pointers
+            self['$parentContext'] = parentContext;
+            self['$parent'] = parentContext['$data'];
+            self['$parents'] = (parentContext['$parents'] || []).slice(0);
+            self['$parents'].unshift(self['$parent']);
+            if (extendCallback)
+                extendCallback(self);
+        });
+    };
+
+    // Extend the binding context with new custom properties. This doesn't change the context hierarchy.
+    // Similarly to "child" contexts, provide a function here to make sure that the correct values are set
+    // when an observable view model is updated.
+    ko.bindingContext.prototype['extend'] = function(properties) {
+        return new ko.bindingContext(this['$rawData'], this, null, function(self) {
+            ko.utils.extend(self, typeof(properties) == "function" ? properties() : properties);
+        });
+    };
+
+    // Returns the valueAccesor function for a binding value
+    function makeValueAccessor(value) {
+        return function() {
+            return value;
+        };
+    }
+
+    // Returns the value of a valueAccessor function
+    function evaluateValueAccessor(valueAccessor) {
+        return valueAccessor();
+    }
+
+    // Given a function that returns bindings, create and return a new object that contains
+    // binding value-accessors functions. Each accessor function calls the original function
+    // so that it always gets the latest value and all dependencies are captured. This is used
+    // by ko.applyBindingsToNode and getBindingsAndMakeAccessors.
+    function makeAccessorsFromFunction(callback) {
+        return ko.utils.objectMap(ko.dependencyDetection.ignore(callback), function(value, key) {
+            return function() {
+                return callback()[key];
+            };
+        });
+    }
+
+    // Given a bindings function or object, create and return a new object that contains
+    // binding value-accessors functions. This is used by ko.applyBindingsToNode.
+    function makeBindingAccessors(bindings, context, node) {
+        if (typeof bindings === 'function') {
+            return makeAccessorsFromFunction(bindings.bind(null, context, node));
+        } else {
+            return ko.utils.objectMap(bindings, makeValueAccessor);
+        }
+    }
+
+    // This function is used if the binding provider doesn't include a getBindingAccessors function.
+    // It must be called with 'this' set to the provider instance.
+    function getBindingsAndMakeAccessors(node, context) {
+        return makeAccessorsFromFunction(this['getBindings'].bind(this, node, context));
+    }
+
+    function validateThatBindingIsAllowedForVirtualElements(bindingName) {
+        var validator = ko.virtualElements.allowedBindings[bindingName];
+        if (!validator)
+            throw new Error("The binding '" + bindingName + "' cannot be used with virtual elements")
+    }
+
+    function applyBindingsToDescendantsInternal (bindingContext, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
+        var currentChild,
+            nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement),
+            provider = ko.bindingProvider['instance'],
+            preprocessNode = provider['preprocessNode'];
+
+        // Preprocessing allows a binding provider to mutate a node before bindings are applied to it. For example it's
+        // possible to insert new siblings after it, and/or replace the node with a different one. This can be used to
+        // implement custom binding syntaxes, such as {{ value }} for string interpolation, or custom element types that
+        // trigger insertion of <template> contents at that point in the document.
+        if (preprocessNode) {
+            while (currentChild = nextInQueue) {
+                nextInQueue = ko.virtualElements.nextSibling(currentChild);
+                preprocessNode.call(provider, currentChild);
+            }
+            // Reset nextInQueue for the next loop
+            nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement);
+        }
+
+        while (currentChild = nextInQueue) {
+            // Keep a record of the next child *before* applying bindings, in case the binding removes the current child from its position
+            nextInQueue = ko.virtualElements.nextSibling(currentChild);
+            applyBindingsToNodeAndDescendantsInternal(bindingContext, currentChild, bindingContextsMayDifferFromDomParentElement);
+        }
+    }
+
+    function applyBindingsToNodeAndDescendantsInternal (bindingContext, nodeVerified, bindingContextMayDifferFromDomParentElement) {
+        var shouldBindDescendants = true;
+
+        // Perf optimisation: Apply bindings only if...
+        // (1) We need to store the binding context on this node (because it may differ from the DOM parent node's binding context)
+        //     Note that we can't store binding contexts on non-elements (e.g., text nodes), as IE doesn't allow expando properties for those
+        // (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
+        var isElement = (nodeVerified.nodeType === 1);
+        if (isElement) // Workaround IE <= 8 HTML parsing weirdness
+            ko.virtualElements.normaliseVirtualElementDomStructure(nodeVerified);
+
+        var shouldApplyBindings = (isElement && bindingContextMayDifferFromDomParentElement)             // Case (1)
+                               || ko.bindingProvider['instance']['nodeHasBindings'](nodeVerified);       // Case (2)
+        if (shouldApplyBindings)
+            shouldBindDescendants = applyBindingsToNodeInternal(nodeVerified, null, bindingContext, bindingContextMayDifferFromDomParentElement)['shouldBindDescendants'];
+
+        if (shouldBindDescendants && !bindingDoesNotRecurseIntoElementTypes[ko.utils.tagNameLower(nodeVerified)]) {
+            // We're recursing automatically into (real or virtual) child nodes without changing binding contexts. So,
+            //  * For children of a *real* element, the binding context is certainly the same as on their DOM .parentNode,
+            //    hence bindingContextsMayDifferFromDomParentElement is false
+            //  * For children of a *virtual* element, we can't be sure. Evaluating .parentNode on those children may
+            //    skip over any number of intermediate virtual elements, any of which might define a custom binding context,
+            //    hence bindingContextsMayDifferFromDomParentElement is true
+            applyBindingsToDescendantsInternal(bindingContext, nodeVerified, /* bindingContextsMayDifferFromDomParentElement: */ !isElement);
+        }
+    }
+
+    var boundElementDomDataKey = ko.utils.domData.nextKey();
+
+
+    function topologicalSortBindings(bindings) {
+        // Depth-first sort
+        var result = [],                // The list of key/handler pairs that we will return
+            bindingsConsidered = {},    // A temporary record of which bindings are already in 'result'
+            cyclicDependencyStack = []; // Keeps track of a depth-search so that, if there's a cycle, we know which bindings caused it
+        ko.utils.objectForEach(bindings, function pushBinding(bindingKey) {
+            if (!bindingsConsidered[bindingKey]) {
+                var binding = ko['getBindingHandler'](bindingKey);
+                if (binding) {
+                    // First add dependencies (if any) of the current binding
+                    if (binding['after']) {
+                        cyclicDependencyStack.push(bindingKey);
+                        ko.utils.arrayForEach(binding['after'], function(bindingDependencyKey) {
+                            if (bindings[bindingDependencyKey]) {
+                                if (ko.utils.arrayIndexOf(cyclicDependencyStack, bindingDependencyKey) !== -1) {
+                                    throw Error("Cannot combine the following bindings, because they have a cyclic dependency: " + cyclicDependencyStack.join(", "));
+                                } else {
+                                    pushBinding(bindingDependencyKey);
+                                }
+                            }
+                        });
+                        cyclicDependencyStack.pop();
+                    }
+                    // Next add the current binding
+                    result.push({ key: bindingKey, handler: binding });
+                }
+                bindingsConsidered[bindingKey] = true;
+            }
+        });
+
+        return result;
+    }
+
+    function applyBindingsToNodeInternal(node, sourceBindings, bindingContext, bindingContextMayDifferFromDomParentElement) {
+        // Prevent multiple applyBindings calls for the same node, except when a binding value is specified
+        var alreadyBound = ko.utils.domData.get(node, boundElementDomDataKey);
+        if (!sourceBindings) {
+            if (alreadyBound) {
+                throw Error("You cannot apply bindings multiple times to the same element.");
+            }
+            ko.utils.domData.set(node, boundElementDomDataKey, true);
+        }
+
+        // Optimization: Don't store the binding context on this node if it's definitely the same as on node.parentNode, because
+        // we can easily recover it just by scanning up the node's ancestors in the DOM
+        // (note: here, parent node means "real DOM parent" not "virtual parent", as there's no O(1) way to find the virtual parent)
+        if (!alreadyBound && bindingContextMayDifferFromDomParentElement)
+            ko.storedBindingContextForNode(node, bindingContext);
+
+        // Use bindings if given, otherwise fall back on asking the bindings provider to give us some bindings
+        var bindings;
+        if (sourceBindings && typeof sourceBindings !== 'function') {
+            bindings = sourceBindings;
+        } else {
+            var provider = ko.bindingProvider['instance'],
+                getBindings = provider['getBindingAccessors'] || getBindingsAndMakeAccessors;
+
+            if (sourceBindings || bindingContext._subscribable) {
+                // When an obsevable view model is used, the binding context will expose an observable _subscribable value.
+                // Get the binding from the provider within a computed observable so that we can update the bindings whenever
+                // the binding context is updated.
+                var bindingsUpdater = ko.dependentObservable(
+                    function() {
+                        bindings = sourceBindings ? sourceBindings(bindingContext, node) : getBindings.call(provider, node, bindingContext);
+                        // Register a dependency on the binding context
+                        if (bindings && bindingContext._subscribable)
+                            bindingContext._subscribable();
+                        return bindings;
+                    },
+                    null, { disposeWhenNodeIsRemoved: node }
+                );
+
+                if (!bindings || !bindingsUpdater.isActive())
+                    bindingsUpdater = null;
+            } else {
+                bindings = ko.dependencyDetection.ignore(getBindings, provider, [node, bindingContext]);
+            }
+        }
+
+        var bindingHandlerThatControlsDescendantBindings;
+        if (bindings) {
+            // Return the value accessor for a given binding. When bindings are static (won't be updated because of a binding
+            // context update), just return the value accessor from the binding. Otherwise, return a function that always gets
+            // the latest binding value and registers a dependency on the binding updater.
+            var getValueAccessor = bindingsUpdater
+                ? function(bindingKey) {
+                    return function() {
+                        return evaluateValueAccessor(bindingsUpdater()[bindingKey]);
+                    };
+                } : function(bindingKey) {
+                    return bindings[bindingKey];
+                };
+
+            // Use of allBindings as a function is maintained for backwards compatibility, but its use is deprecated
+            function allBindings() {
+                return ko.utils.objectMap(bindingsUpdater ? bindingsUpdater() : bindings, evaluateValueAccessor);
+            }
+            // The following is the 3.x allBindings API
+            allBindings['get'] = function(key) {
+                return bindings[key] && evaluateValueAccessor(getValueAccessor(key));
+            };
+            allBindings['has'] = function(key) {
+                return key in bindings;
+            };
+
+            // First put the bindings into the right order
+            var orderedBindings = topologicalSortBindings(bindings);
+
+            // Go through the sorted bindings, calling init and update for each
+            ko.utils.arrayForEach(orderedBindings, function(bindingKeyAndHandler) {
+                // Note that topologicalSortBindings has already filtered out any nonexistent binding handlers,
+                // so bindingKeyAndHandler.handler will always be nonnull.
+                var handlerInitFn = bindingKeyAndHandler.handler["init"],
+                    handlerUpdateFn = bindingKeyAndHandler.handler["update"],
+                    bindingKey = bindingKeyAndHandler.key;
+
+                if (node.nodeType === 8) {
+                    validateThatBindingIsAllowedForVirtualElements(bindingKey);
+                }
+
+                try {
+                    // Run init, ignoring any dependencies
+                    if (typeof handlerInitFn == "function") {
+                        ko.dependencyDetection.ignore(function() {
+                            var initResult = handlerInitFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
+
+                            // If this binding handler claims to control descendant bindings, make a note of this
+                            if (initResult && initResult['controlsDescendantBindings']) {
+                                if (bindingHandlerThatControlsDescendantBindings !== undefined)
+                                    throw new Error("Multiple bindings (" + bindingHandlerThatControlsDescendantBindings + " and " + bindingKey + ") are trying to control descendant bindings of the same element. You cannot use these bindings together on the same element.");
+                                bindingHandlerThatControlsDescendantBindings = bindingKey;
+                            }
+                        });
+                    }
+
+                    // Run update in its own computed wrapper
+                    if (typeof handlerUpdateFn == "function") {
+                        ko.dependentObservable(
+                            function() {
+                                handlerUpdateFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
+                            },
+                            null,
+                            { disposeWhenNodeIsRemoved: node }
+                        );
+                    }
+                } catch (ex) {
+                    ex.message = "Unable to process binding \"" + bindingKey + ": " + bindings[bindingKey] + "\"\nMessage: " + ex.message;
+                    throw ex;
+                }
+            });
+        }
+
+        return {
+            'shouldBindDescendants': bindingHandlerThatControlsDescendantBindings === undefined
+        };
+    };
+
+    var storedBindingContextDomDataKey = ko.utils.domData.nextKey();
+    ko.storedBindingContextForNode = function (node, bindingContext) {
+        if (arguments.length == 2) {
+            ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
+            if (bindingContext._subscribable)
+                bindingContext._subscribable._addNode(node);
+        } else {
+            return ko.utils.domData.get(node, storedBindingContextDomDataKey);
+        }
+    }
+
+    function getBindingContext(viewModelOrBindingContext) {
+        return viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext)
+            ? viewModelOrBindingContext
+            : new ko.bindingContext(viewModelOrBindingContext);
+    }
+
+    ko.applyBindingAccessorsToNode = function (node, bindings, viewModelOrBindingContext) {
+        if (node.nodeType === 1) // If it's an element, workaround IE <= 8 HTML parsing weirdness
+            ko.virtualElements.normaliseVirtualElementDomStructure(node);
+        return applyBindingsToNodeInternal(node, bindings, getBindingContext(viewModelOrBindingContext), true);
+    };
+
+    ko.applyBindingsToNode = function (node, bindings, viewModelOrBindingContext) {
+        var context = getBindingContext(viewModelOrBindingContext);
+        return ko.applyBindingAccessorsToNode(node, makeBindingAccessors(bindings, context, node), context);
+    };
+
+    ko.applyBindingsToDescendants = function(viewModelOrBindingContext, rootNode) {
+        if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
+            applyBindingsToDescendantsInternal(getBindingContext(viewModelOrBindingContext), rootNode, true);
+    };
+
+    ko.applyBindings = function (viewModelOrBindingContext, rootNode) {
+        if (rootNode && (rootNode.nodeType !== 1) && (rootNode.nodeType !== 8))
+            throw new Error("ko.applyBindings: first parameter should be your view model; second parameter should be a DOM node");
+        rootNode = rootNode || window.document.body; // Make "rootNode" parameter optional
+
+        applyBindingsToNodeAndDescendantsInternal(getBindingContext(viewModelOrBindingContext), rootNode, true);
+    };
+
+    // Retrieving binding context from arbitrary nodes
+    ko.contextFor = function(node) {
+        // We can only do something meaningful for elements and comment nodes (in particular, not text nodes, as IE can't store domdata for them)
+        switch (node.nodeType) {
+            case 1:
+            case 8:
+                var context = ko.storedBindingContextForNode(node);
+                if (context) return context;
+                if (node.parentNode) return ko.contextFor(node.parentNode);
+                break;
+        }
+        return undefined;
+    };
+    ko.dataFor = function(node) {
+        var context = ko.contextFor(node);
+        return context ? context['$data'] : undefined;
+    };
+
+    ko.exportSymbol('bindingHandlers', ko.bindingHandlers);
+    ko.exportSymbol('applyBindings', ko.applyBindings);
+    ko.exportSymbol('applyBindingsToDescendants', ko.applyBindingsToDescendants);
+    ko.exportSymbol('applyBindingAccessorsToNode', ko.applyBindingAccessorsToNode);
+    ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
+    ko.exportSymbol('contextFor', ko.contextFor);
+    ko.exportSymbol('dataFor', ko.dataFor);
+})();
+var attrHtmlToJavascriptMap = { 'class': 'className', 'for': 'htmlFor' };
+ko.bindingHandlers['attr'] = {
+    'update': function(element, valueAccessor, allBindings) {
+        var value = ko.utils.unwrapObservable(valueAccessor()) || {};
+        ko.utils.objectForEach(value, function(attrName, attrValue) {
+            attrValue = ko.utils.unwrapObservable(attrValue);
+
+            // To cover cases like "attr: { checked:someProp }", we want to remove the attribute entirely
+            // when someProp is a "no value"-like value (strictly null, false, or undefined)
+            // (because the absence of the "checked" attr is how to mark an element as not checked, etc.)
+            var toRemove = (attrValue === false) || (attrValue === null) || (attrValue === undefined);
+            if (toRemove)
+                element.removeAttribute(attrName);
+
+            // In IE <= 7 and IE8 Quirks Mode, you have to use the Javascript property name instead of the
+            // HTML attribute name for certain attributes. IE8 Standards Mode supports the correct behavior,
+            // but instead of figuring out the mode, we'll just set the attribute through the Javascript
+            // property for IE <= 8.
+            if (ko.utils.ieVersion <= 8 && attrName in attrHtmlToJavascriptMap) {
+                attrName = attrHtmlToJavascriptMap[attrName];
+                if (toRemove)
+                    element.removeAttribute(attrName);
+                else
+                    element[attrName] = attrValue;
+            } else if (!toRemove) {
+                element.setAttribute(attrName, attrValue.toString());
+            }
+
+            // Treat "name" specially - although you can think of it as an attribute, it also needs
+            // special handling on older versions of IE (https://github.com/SteveSanderson/knockout/pull/333)
+            // Deliberately being case-sensitive here because XHTML would regard "Name" as a different thing
+            // entirely, and there's no strong reason to allow for such casing in HTML.
+            if (attrName === "name") {
+                ko.utils.setElementName(element, toRemove ? "" : attrValue.toString());
+            }
+        });
+    }
+};
+(function() {
+
+ko.bindingHandlers['checked'] = {
+    'after': ['value', 'attr'],
+    'init': function (element, valueAccessor, allBindings) {
+        function checkedValue() {
+            return allBindings['has']('checkedValue')
+                ? ko.utils.unwrapObservable(allBindings.get('checkedValue'))
+                : element.value;
+        }
+
+        function updateModel() {
+            // This updates the model value from the view value.
+            // It runs in response to DOM events (click) and changes in checkedValue.
+            var isChecked = element.checked,
+                elemValue = useCheckedValue ? checkedValue() : isChecked;
+
+            // When we're first setting up this computed, don't change any model state.
+            if (!shouldSet) {
+                return;
+            }
+
+            // We can ignore unchecked radio buttons, because some other radio
+            // button will be getting checked, and that one can take care of updating state.
+            if (isRadio && !isChecked) {
+                return;
+            }
+
+            var modelValue = ko.dependencyDetection.ignore(valueAccessor);
+            if (isValueArray) {
+                if (oldElemValue !== elemValue) {
+                    // When we're responding to the checkedValue changing, and the element is
+                    // currently checked, replace the old elem value with the new elem value
+                    // in the model array.
+                    if (isChecked) {
+                        ko.utils.addOrRemoveItem(modelValue, elemValue, true);
+                        ko.utils.addOrRemoveItem(modelValue, oldElemValue, false);
+                    }
+
+                    oldElemValue = elemValue;
+                } else {
+                    // When we're responding to the user having checked/unchecked a checkbox,
+                    // add/remove the element value to the model array.
+                    ko.utils.addOrRemoveItem(modelValue, elemValue, isChecked);
+                }
+            } else {
+                ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'checked', elemValue, true);
+            }
+        };
+
+        function updateView() {
+            // This updates the view value from the model value.
+            // It runs in response to changes in the bound (checked) value.
+            var modelValue = ko.utils.unwrapObservable(valueAccessor());
+
+            if (isValueArray) {
+                // When a checkbox is bound to an array, being checked represents its value being present in that array
+                element.checked = ko.utils.arrayIndexOf(modelValue, checkedValue()) >= 0;
+            } else if (isCheckbox) {
+                // When a checkbox is bound to any other value (not an array), being checked represents the value being trueish
+                element.checked = modelValue;
+            } else {
+                // For radio buttons, being checked means that the radio button's value corresponds to the model value
+                element.checked = (checkedValue() === modelValue);
+            }
+        };
+
+        var isCheckbox = element.type == "checkbox",
+            isRadio = element.type == "radio";
+
+        // Only bind to check boxes and radio buttons
+        if (!isCheckbox && !isRadio) {
+            return;
+        }
+
+        var isValueArray = isCheckbox && (ko.utils.unwrapObservable(valueAccessor()) instanceof Array),
+            oldElemValue = isValueArray ? checkedValue() : undefined,
+            useCheckedValue = isRadio || isValueArray,
+            shouldSet = false;
+
+        // IE 6 won't allow radio buttons to be selected unless they have a name
+        if (isRadio && !element.name)
+            ko.bindingHandlers['uniqueName']['init'](element, function() { return true });
+
+        // Set up two computeds to update the binding:
+
+        // The first responds to changes in the checkedValue value and to element clicks
+        ko.dependentObservable(updateModel, null, { disposeWhenNodeIsRemoved: element });
+        ko.utils.registerEventHandler(element, "click", updateModel);
+
+        // The second responds to changes in the model value (the one associated with the checked binding)
+        ko.dependentObservable(updateView, null, { disposeWhenNodeIsRemoved: element });
+
+        shouldSet = true;
+    }
+};
+ko.expressionRewriting.twoWayBindings['checked'] = true;
+
+ko.bindingHandlers['checkedValue'] = {
+    'update': function (element, valueAccessor) {
+        element.value = ko.utils.unwrapObservable(valueAccessor());
+    }
+};
+
+})();var classesWrittenByBindingKey = '__ko__cssValue';
+ko.bindingHandlers['css'] = {
+    'update': function (element, valueAccessor) {
+        var value = ko.utils.unwrapObservable(valueAccessor());
+        if (typeof value == "object") {
+            ko.utils.objectForEach(value, function(className, shouldHaveClass) {
+                shouldHaveClass = ko.utils.unwrapObservable(shouldHaveClass);
+                ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
+            });
+        } else {
+            value = String(value || ''); // Make sure we don't try to store or set a non-string value
+            ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
+            element[classesWrittenByBindingKey] = value;
+            ko.utils.toggleDomNodeCssClass(element, value, true);
+        }
+    }
+};
+ko.bindingHandlers['enable'] = {
+    'update': function (element, valueAccessor) {
+        var value = ko.utils.unwrapObservable(valueAccessor());
+        if (value && element.disabled)
+            element.removeAttribute("disabled");
+        else if ((!value) && (!element.disabled))
+            element.disabled = true;
+    }
+};
+
+ko.bindingHandlers['disable'] = {
+    'update': function (element, valueAccessor) {
+        ko.bindingHandlers['enable']['update'](element, function() { return !ko.utils.unwrapObservable(valueAccessor()) });
+    }
+};
+// For certain common events (currently just 'click'), allow a simplified data-binding syntax
+// e.g. click:handler instead of the usual full-length event:{click:handler}
+function makeEventHandlerShortcut(eventName) {
+    ko.bindingHandlers[eventName] = {
+        'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
+            var newValueAccessor = function () {
+                var result = {};
+                result[eventName] = valueAccessor();
+                return result;
+            };
+            return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindings, viewModel, bindingContext);
+        }
+    }
+}
+
+ko.bindingHandlers['event'] = {
+    'init' : function (element, valueAccessor, allBindings, viewModel, bindingContext) {
+        var eventsToHandle = valueAccessor() || {};
+        ko.utils.objectForEach(eventsToHandle, function(eventName) {
+            if (typeof eventName == "string") {
+                ko.utils.registerEventHandler(element, eventName, function (event) {
+                    var handlerReturnValue;
+                    var handlerFunction = valueAccessor()[eventName];
+                    if (!handlerFunction)
+                        return;
+
+                    try {
+                        // Take all the event args, and prefix with the viewmodel
+                        var argsForHandler = ko.utils.makeArray(arguments);
+                        viewModel = bindingContext['$data'];
+                        argsForHandler.unshift(viewModel);
+                        handlerReturnValue = handlerFunction.apply(viewModel, argsForHandler);
+                    } finally {
+                        if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
+                            if (event.preventDefault)
+                                event.preventDefault();
+                            else
+                                event.returnValue = false;
+                        }
+                    }
+
+                    var bubble = allBindings.get(eventName + 'Bubble') !== false;
+                    if (!bubble) {
+                        event.cancelBubble = true;
+                        if (event.stopPropagation)
+                            event.stopPropagation();
+                    }
+                });
+            }
+        });
+    }
+};
+// "foreach: someExpression" is equivalent to "template: { foreach: someExpression }"
+// "foreach: { data: someExpression, afterAdd: myfn }" is equivalent to "template: { foreach: someExpression, afterAdd: myfn }"
+ko.bindingHandlers['foreach'] = {
+    makeTemplateValueAccessor: function(valueAccessor) {
+        return function() {
+            var modelValue = valueAccessor(),
+                unwrappedValue = ko.utils.peekObservable(modelValue);    // Unwrap without setting a dependency here
+
+            // If unwrappedValue is the array, pass in the wrapped value on its own
+            // The value will be unwrapped and tracked within the template binding
+            // (See https://github.com/SteveSanderson/knockout/issues/523)
+            if ((!unwrappedValue) || typeof unwrappedValue.length == "number")
+                return { 'foreach': modelValue, 'templateEngine': ko.nativeTemplateEngine.instance };
+
+            // If unwrappedValue.data is the array, preserve all relevant options and unwrap again value so we get updates
+            ko.utils.unwrapObservable(modelValue);
+            return {
+                'foreach': unwrappedValue['data'],
+                'as': unwrappedValue['as'],
+                'includeDestroyed': unwrappedValue['includeDestroyed'],
+                'afterAdd': unwrappedValue['afterAdd'],
+                'beforeRemove': unwrappedValue['beforeRemove'],
+                'afterRender': unwrappedValue['afterRender'],
+                'beforeMove': unwrappedValue['beforeMove'],
+                'afterMove': unwrappedValue['afterMove'],
+                'templateEngine': ko.nativeTemplateEngine.instance
+            };
+        };
+    },
+    'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
+        return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
+    },
+    'update': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
+        return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindings, viewModel, bindingContext);
+    }
+};
+ko.expressionRewriting.bindingRewriteValidators['foreach'] = false; // Can't rewrite control flow bindings
+ko.virtualElements.allowedBindings['foreach'] = true;
+var hasfocusUpdatingProperty = '__ko_hasfocusUpdating';
+var hasfocusLastValue = '__ko_hasfocusLastValue';
+ko.bindingHandlers['hasfocus'] = {
+    'init': function(element, valueAccessor, allBindings) {
+        var handleElementFocusChange = function(isFocused) {
+            // Where possible, ignore which event was raised and determine focus state using activeElement,
+            // as this avoids phantom focus/blur events raised when changing tabs in modern browsers.
+            // However, not all KO-targeted browsers (Firefox 2) support activeElement. For those browsers,
+            // prevent a loss of focus when changing tabs/windows by setting a flag that prevents hasfocus
+            // from calling 'blur()' on the element when it loses focus.
+            // Discussion at https://github.com/SteveSanderson/knockout/pull/352
+            element[hasfocusUpdatingProperty] = true;
+            var ownerDoc = element.ownerDocument;
+            if ("activeElement" in ownerDoc) {
+                var active;
+                try {
+                    active = ownerDoc.activeElement;
+                } catch(e) {
+                    // IE9 throws if you access activeElement during page load (see issue #703)
+                    active = ownerDoc.body;
+                }
+                isFocused = (active === element);
+            }
+            var modelValue = valueAccessor();
+            ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'hasfocus', isFocused, true);
+
+            //cache the latest value, so we can avoid unnecessarily calling focus/blur in the update function
+            element[hasfocusLastValue] = isFocused;
+            element[hasfocusUpdatingProperty] = false;
+        };
+        var handleElementFocusIn = handleElementFocusChange.bind(null, true);
+        var handleElementFocusOut = handleElementFocusChange.bind(null, false);
+
+        ko.utils.registerEventHandler(element, "focus", handleElementFocusIn);
+        ko.utils.registerEventHandler(element, "focusin", handleElementFocusIn); // For IE
+        ko.utils.registerEventHandler(element, "blur",  handleElementFocusOut);
+        ko.utils.registerEventHandler(element, "focusout",  handleElementFocusOut); // For IE
+    },
+    'update': function(element, valueAccessor) {
+        var value = !!ko.utils.unwrapObservable(valueAccessor()); //force boolean to compare with last value
+        if (!element[hasfocusUpdatingProperty] && element[hasfocusLastValue] !== value) {
+            value ? element.focus() : element.blur();
+            ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, value ? "focusin" : "focusout"]); // For IE, which doesn't reliably fire "focus" or "blur" events synchronously
+        }
+    }
+};
+ko.expressionRewriting.twoWayBindings['hasfocus'] = true;
+
+ko.bindingHandlers['hasFocus'] = ko.bindingHandlers['hasfocus']; // Make "hasFocus" an alias
+ko.expressionRewriting.twoWayBindings['hasFocus'] = true;
+ko.bindingHandlers['html'] = {
+    'init': function() {
+        // Prevent binding on the dynamically-injected HTML (as developers are unlikely to expect that, and it has security implications)
+        return { 'controlsDescendantBindings': true };
+    },
+    'update': function (element, valueAccessor) {
+        // setHtml will unwrap the value if needed
+        ko.utils.setHtml(element, valueAccessor());
+    }
+};
+var withIfDomDataKey = ko.utils.domData.nextKey();
+// Makes a binding like with or if
+function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
+    ko.bindingHandlers[bindingKey] = {
+        'init': function(element) {
+            ko.utils.domData.set(element, withIfDomDataKey, {});
+            return { 'controlsDescendantBindings': true };
+        },
+        'update': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
+            var withIfData = ko.utils.domData.get(element, withIfDomDataKey),
+                dataValue = ko.utils.unwrapObservable(valueAccessor()),
+                shouldDisplay = !isNot !== !dataValue, // equivalent to isNot ? !dataValue : !!dataValue
+                isFirstRender = !withIfData.savedNodes,
+                needsRefresh = isFirstRender || isWith || (shouldDisplay !== withIfData.didDisplayOnLastUpdate);
+
+            if (needsRefresh) {
+                if (isFirstRender) {
+                    withIfData.savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true /* shouldCleanNodes */);
+                }
+
+                if (shouldDisplay) {
+                    if (!isFirstRender) {
+                        ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(withIfData.savedNodes));
+                    }
+                    ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
+                } else {
+                    ko.virtualElements.emptyNode(element);
+                }
+
+                withIfData.didDisplayOnLastUpdate = shouldDisplay;
+            }
+        }
+    };
+    ko.expressionRewriting.bindingRewriteValidators[bindingKey] = false; // Can't rewrite control flow bindings
+    ko.virtualElements.allowedBindings[bindingKey] = true;
+}
+
+// Construct the actual binding handlers
+makeWithIfBinding('if');
+makeWithIfBinding('ifnot', false /* isWith */, true /* isNot */);
+makeWithIfBinding('with', true /* isWith */, false /* isNot */,
+    function(bindingContext, dataValue) {
+        return bindingContext['createChildContext'](dataValue);
+    }
+);
+ko.bindingHandlers['options'] = {
+    'init': function(element) {
+        if (ko.utils.tagNameLower(element) !== "select")
+            throw new Error("options binding applies only to SELECT elements");
+
+        // Remove all existing <option>s.
+        while (element.length > 0) {
+            element.remove(0);
+        }
+
+        // Ensures that the binding processor doesn't try to bind the options
+        return { 'controlsDescendantBindings': true };
+    },
+    'update': function (element, valueAccessor, allBindings) {
+        function selectedOptions() {
+            return ko.utils.arrayFilter(element.options, function (node) { return node.selected; });
+        }
+
+        var selectWasPreviouslyEmpty = element.length == 0;
+        var previousScrollTop = (!selectWasPreviouslyEmpty && element.multiple) ? element.scrollTop : null;
+
+        var unwrappedArray = ko.utils.unwrapObservable(valueAccessor());
+        var includeDestroyed = allBindings.get('optionsIncludeDestroyed');
+        var captionPlaceholder = {};
+        var captionValue;
+        var previousSelectedValues;
+        if (element.multiple) {
+            previousSelectedValues = ko.utils.arrayMap(selectedOptions(), ko.selectExtensions.readValue);
+        } else {
+            previousSelectedValues = element.selectedIndex >= 0 ? [ ko.selectExtensions.readValue(element.options[element.selectedIndex]) ] : [];
+        }
+
+        if (unwrappedArray) {
+            if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
+                unwrappedArray = [unwrappedArray];
+
+            // Filter out any entries marked as destroyed
+            var filteredArray = ko.utils.arrayFilter(unwrappedArray, function(item) {
+                return includeDestroyed || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
+            });
+
+            // If caption is included, add it to the array
+            if (allBindings['has']('optionsCaption')) {
+                captionValue = ko.utils.unwrapObservable(allBindings.get('optionsCaption'));
+                // If caption value is null or undefined, don't show a caption
+                if (captionValue !== null && captionValue !== undefined) {
+                    filteredArray.unshift(captionPlaceholder);
+                }
+            }
+        } else {
+            // If a falsy value is provided (e.g. null), we'll simply empty the select element
+            unwrappedArray = [];
+        }
+
+        function applyToObject(object, predicate, defaultValue) {
+            var predicateType = typeof predicate;
+            if (predicateType == "function")    // Given a function; run it against the data value
+                return predicate(object);
+            else if (predicateType == "string") // Given a string; treat it as a property name on the data value
+                return object[predicate];
+            else                                // Given no optionsText arg; use the data value itself
+                return defaultValue;
+        }
+
+        // The following functions can run at two different times:
+        // The first is when the whole array is being updated directly from this binding handler.
+        // The second is when an observable value for a specific array entry is updated.
+        // oldOptions will be empty in the first case, but will be filled with the previously generated option in the second.
+        var itemUpdate = false;
+        function optionForArrayItem(arrayEntry, index, oldOptions) {
+            if (oldOptions.length) {
+                previousSelectedValues = oldOptions[0].selected ? [ ko.selectExtensions.readValue(oldOptions[0]) ] : [];
+                itemUpdate = true;
+            }
+            var option = document.createElement("option");
+            if (arrayEntry === captionPlaceholder) {
+                ko.utils.setTextContent(option, allBindings.get('optionsCaption'));
+                ko.selectExtensions.writeValue(option, undefined);
+            } else {
+                // Apply a value to the option element
+                var optionValue = applyToObject(arrayEntry, allBindings.get('optionsValue'), arrayEntry);
+                ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
+
+                // Apply some text to the option element
+                var optionText = applyToObject(arrayEntry, allBindings.get('optionsText'), optionValue);
+                ko.utils.setTextContent(option, optionText);
+            }
+            return [option];
+        }
+
+        function setSelectionCallback(arrayEntry, newOptions) {
+            // IE6 doesn't like us to assign selection to OPTION nodes before they're added to the document.
+            // That's why we first added them without selection. Now it's time to set the selection.
+            if (previousSelectedValues.length) {
+                var isSelected = ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[0])) >= 0;
+                ko.utils.setOptionNodeSelectionState(newOptions[0], isSelected);
+
+                // If this option was changed from being selected during a single-item update, notify the change
+                if (itemUpdate && !isSelected)
+                    ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
+            }
+        }
+
+        var callback = setSelectionCallback;
+        if (allBindings['has']('optionsAfterRender')) {
+            callback = function(arrayEntry, newOptions) {
+                setSelectionCallback(arrayEntry, newOptions);
+                ko.dependencyDetection.ignore(allBindings.get('optionsAfterRender'), null, [newOptions[0], arrayEntry !== captionPlaceholder ? arrayEntry : undefined]);
+            }
+        }
+
+        ko.utils.setDomNodeChildrenFromArrayMapping(element, filteredArray, optionForArrayItem, null, callback);
+
+        // Determine if the selection has changed as a result of updating the options list
+        var selectionChanged;
+        if (element.multiple) {
+            // For a multiple-select box, compare the new selection count to the previous one
+            // But if nothing was selected before, the selection can't have changed
+            selectionChanged = previousSelectedValues.length && selectedOptions().length < previousSelectedValues.length;
+        } else {
+            // For a single-select box, compare the current value to the previous value
+            // But if nothing was selected before or nothing is selected now, just look for a change in selection
+            selectionChanged = (previousSelectedValues.length && element.selectedIndex >= 0)
+                ? (ko.selectExtensions.readValue(element.options[element.selectedIndex]) !== previousSelectedValues[0])
+                : (previousSelectedValues.length || element.selectedIndex >= 0);
+        }
+
+        // Ensure consistency between model value and selected option.
+        // If the dropdown was changed so that selection is no longer the same,
+        // notify the value or selectedOptions binding.
+        if (selectionChanged)
+            ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
+
+        // Workaround for IE bug
+        ko.utils.ensureSelectElementIsRenderedCorrectly(element);
+
+        if (previousScrollTop && Math.abs(previousScrollTop - element.scrollTop) > 20)
+            element.scrollTop = previousScrollTop;
+    }
+};
+ko.bindingHandlers['options'].optionValueDomDataKey = ko.utils.domData.nextKey();
+ko.bindingHandlers['selectedOptions'] = {
+    'after': ['options', 'foreach'],
+    'init': function (element, valueAccessor, allBindings) {
+        ko.utils.registerEventHandler(element, "change", function () {
+            var value = valueAccessor(), valueToWrite = [];
+            ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
+                if (node.selected)
+                    valueToWrite.push(ko.selectExtensions.readValue(node));
+            });
+            ko.expressionRewriting.writeValueToProperty(value, allBindings, 'selectedOptions', valueToWrite);
+        });
+    },
+    'update': function (element, valueAccessor) {
+        if (ko.utils.tagNameLower(element) != "select")
+            throw new Error("values binding applies only to SELECT elements");
+
+        var newValue = ko.utils.unwrapObservable(valueAccessor());
+        if (newValue && typeof newValue.length == "number") {
+            ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
+                var isSelected = ko.utils.arrayIndexOf(newValue, ko.selectExtensions.readValue(node)) >= 0;
+                ko.utils.setOptionNodeSelectionState(node, isSelected);
+            });
+        }
+    }
+};
+ko.expressionRewriting.twoWayBindings['selectedOptions'] = true;
+ko.bindingHandlers['style'] = {
+    'update': function (element, valueAccessor) {
+        var value = ko.utils.unwrapObservable(valueAccessor() || {});
+        ko.utils.objectForEach(value, function(styleName, styleValue) {
+            styleValue = ko.utils.unwrapObservable(styleValue);
+            element.style[styleName] = styleValue || ""; // Empty string removes the value, whereas null/undefined have no effect
+        });
+    }
+};
+ko.bindingHandlers['submit'] = {
+    'init': function (element, valueAccessor, allBindings, viewModel, bindingContext) {
+        if (typeof valueAccessor() != "function")
+            throw new Error("The value for a submit binding must be a function");
+        ko.utils.registerEventHandler(element, "submit", function (event) {
+            var handlerReturnValue;
+            var value = valueAccessor();
+            try { handlerReturnValue = value.call(bindingContext['$data'], element); }
+            finally {
+                if (handlerReturnValue !== true) { // Normally we want to prevent default action. Developer can override this be explicitly returning true.
+                    if (event.preventDefault)
+                        event.preventDefault();
+                    else
+                        event.returnValue = false;
+                }
+            }
+        });
+    }
+};
+ko.bindingHandlers['text'] = {
+	'init': function() {
+		// Prevent binding on the dynamically-injected text node (as developers are unlikely to expect that, and it has security implications).
+		// It should also make things faster, as we no longer have to consider whether the text node might be bindable.
+        return { 'controlsDescendantBindings': true };
+	},
+    'update': function (element, valueAccessor) {
+        ko.utils.setTextContent(element, valueAccessor());
+    }
+};
+ko.virtualElements.allowedBindings['text'] = true;
+ko.bindingHandlers['uniqueName'] = {
+    'init': function (element, valueAccessor) {
+        if (valueAccessor()) {
+            var name = "ko_unique_" + (++ko.bindingHandlers['uniqueName'].currentIndex);
+            ko.utils.setElementName(element, name);
+        }
+    }
+};
+ko.bindingHandlers['uniqueName'].currentIndex = 0;
+ko.bindingHandlers['value'] = {
+    'after': ['options', 'foreach'],
+    'init': function (element, valueAccessor, allBindings) {
+        // Always catch "change" event; possibly other events too if asked
+        var eventsToCatch = ["change"];
+        var requestedEventsToCatch = allBindings.get("valueUpdate");
+        var propertyChangedFired = false;
+        if (requestedEventsToCatch) {
+            if (typeof requestedEventsToCatch == "string") // Allow both individual event names, and arrays of event names
+                requestedEventsToCatch = [requestedEventsToCatch];
+            ko.utils.arrayPushAll(eventsToCatch, requestedEventsToCatch);
+            eventsToCatch = ko.utils.arrayGetDistinctValues(eventsToCatch);
+        }
+
+        var valueUpdateHandler = function() {
+            propertyChangedFired = false;
+            var modelValue = valueAccessor();
+            var elementValue = ko.selectExtensions.readValue(element);
+            ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'value', elementValue);
+        }
+
+        // Workaround for https://github.com/SteveSanderson/knockout/issues/122
+        // IE doesn't fire "change" events on textboxes if the user selects a value from its autocomplete list
+        var ieAutoCompleteHackNeeded = ko.utils.ieVersion && element.tagName.toLowerCase() == "input" && element.type == "text"
+                                       && element.autocomplete != "off" && (!element.form || element.form.autocomplete != "off");
+        if (ieAutoCompleteHackNeeded && ko.utils.arrayIndexOf(eventsToCatch, "propertychange") == -1) {
+            ko.utils.registerEventHandler(element, "propertychange", function () { propertyChangedFired = true });
+            ko.utils.registerEventHandler(element, "blur", function() {
+                if (propertyChangedFired) {
+                    valueUpdateHandler();
+                }
+            });
+        }
+
+        ko.utils.arrayForEach(eventsToCatch, function(eventName) {
+            // The syntax "after<eventname>" means "run the handler asynchronously after the event"
+            // This is useful, for example, to catch "keydown" events after the browser has updated the control
+            // (otherwise, ko.selectExtensions.readValue(this) will receive the control's value *before* the key event)
+            var handler = valueUpdateHandler;
+            if (ko.utils.stringStartsWith(eventName, "after")) {
+                handler = function() { setTimeout(valueUpdateHandler, 0) };
+                eventName = eventName.substring("after".length);
+            }
+            ko.utils.registerEventHandler(element, eventName, handler);
+        });
+    },
+    'update': function (element, valueAccessor) {
+        var valueIsSelectOption = ko.utils.tagNameLower(element) === "select";
+        var newValue = ko.utils.unwrapObservable(valueAccessor());
+        var elementValue = ko.selectExtensions.readValue(element);
+        var valueHasChanged = (newValue !== elementValue);
+
+        if (valueHasChanged) {
+            var applyValueAction = function () { ko.selectExtensions.writeValue(element, newValue); };
+            applyValueAction();
+
+            if (valueIsSelectOption) {
+                if (newValue !== ko.selectExtensions.readValue(element)) {
+                    // If you try to set a model value that can't be represented in an already-populated dropdown, reject that change,
+                    // because you're not allowed to have a model value that disagrees with a visible UI selection.
+                    ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
+                } else {
+                    // Workaround for IE6 bug: It won't reliably apply values to SELECT nodes during the same execution thread
+                    // right after you've changed the set of OPTION nodes on it. So for that node type, we'll schedule a second thread
+                    // to apply the value as well.
+                    setTimeout(applyValueAction, 0);
+                }
+            }
+        }
+    }
+};
+ko.expressionRewriting.twoWayBindings['value'] = true;
+ko.bindingHandlers['visible'] = {
+    'update': function (element, valueAccessor) {
+        var value = ko.utils.unwrapObservable(valueAccessor());
+        var isCurrentlyVisible = !(element.style.display == "none");
+        if (value && !isCurrentlyVisible)
+            element.style.display = "";
+        else if ((!value) && isCurrentlyVisible)
+            element.style.display = "none";
+    }
+};
+// 'click' is just a shorthand for the usual full-length event:{click:handler}
+makeEventHandlerShortcut('click');
+// If you want to make a custom template engine,
+//
+// [1] Inherit from this class (like ko.nativeTemplateEngine does)
+// [2] Override 'renderTemplateSource', supplying a function with this signature:
+//
+//        function (templateSource, bindingContext, options) {
+//            // - templateSource.text() is the text of the template you should render
+//            // - bindingContext.$data is the data you should pass into the template
+//            //   - you might also want to make bindingContext.$parent, bindingContext.$parents,
+//            //     and bindingContext.$root available in the template too
+//            // - options gives you access to any other properties set on "data-bind: { template: options }"
+//            //
+//            // Return value: an array of DOM nodes
+//        }
+//
+// [3] Override 'createJavaScriptEvaluatorBlock', supplying a function with this signature:
+//
+//        function (script) {
+//            // Return value: Whatever syntax means "Evaluate the JavaScript statement 'script' and output the result"
+//            //               For example, the jquery.tmpl template engine converts 'someScript' to '${ someScript }'
+//        }
+//
+//     This is only necessary if you want to allow data-bind attributes to reference arbitrary template variables.
+//     If you don't want to allow that, you can set the property 'allowTemplateRewriting' to false (like ko.nativeTemplateEngine does)
+//     and then you don't need to override 'createJavaScriptEvaluatorBlock'.
+
+ko.templateEngine = function () { };
+
+ko.templateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
+    throw new Error("Override renderTemplateSource");
+};
+
+ko.templateEngine.prototype['createJavaScriptEvaluatorBlock'] = function (script) {
+    throw new Error("Override createJavaScriptEvaluatorBlock");
+};
+
+ko.templateEngine.prototype['makeTemplateSource'] = function(template, templateDocument) {
+    // Named template
+    if (typeof template == "string") {
+        templateDocument = templateDocument || document;
+        var elem = templateDocument.getElementById(template);
+        if (!elem)
+            throw new Error("Cannot find template with ID " + template);
+        return new ko.templateSources.domElement(elem);
+    } else if ((template.nodeType == 1) || (template.nodeType == 8)) {
+        // Anonymous template
+        return new ko.templateSources.anonymousTemplate(template);
+    } else
+        throw new Error("Unknown template type: " + template);
+};
+
+ko.templateEngine.prototype['renderTemplate'] = function (template, bindingContext, options, templateDocument) {
+    var templateSource = this['makeTemplateSource'](template, templateDocument);
+    return this['renderTemplateSource'](templateSource, bindingContext, options);
+};
+
+ko.templateEngine.prototype['isTemplateRewritten'] = function (template, templateDocument) {
+    // Skip rewriting if requested
+    if (this['allowTemplateRewriting'] === false)
+        return true;
+    return this['makeTemplateSource'](template, templateDocument)['data']("isRewritten");
+};
+
+ko.templateEngine.prototype['rewriteTemplate'] = function (template, rewriterCallback, templateDocument) {
+    var templateSource = this['makeTemplateSource'](template, templateDocument);
+    var rewritten = rewriterCallback(templateSource['text']());
+    templateSource['text'](rewritten);
+    templateSource['data']("isRewritten", true);
+};
+
+ko.exportSymbol('templateEngine', ko.templateEngine);
+
+ko.templateRewriting = (function () {
+    var memoizeDataBindingAttributeSyntaxRegex = /(<([a-z]+\d*)(?:\s+(?!data-bind\s*=\s*)[a-z0-9\-]+(?:=(?:\"[^\"]*\"|\'[^\']*\'))?)*\s+)data-bind\s*=\s*(["'])([\s\S]*?)\3/gi;
+    var memoizeVirtualContainerBindingSyntaxRegex = /<!--\s*ko\b\s*([\s\S]*?)\s*-->/g;
+
+    function validateDataBindValuesForRewriting(keyValueArray) {
+        var allValidators = ko.expressionRewriting.bindingRewriteValidators;
+        for (var i = 0; i < keyValueArray.length; i++) {
+            var key = keyValueArray[i]['key'];
+            if (allValidators.hasOwnProperty(key)) {
+                var validator = allValidators[key];
+
+                if (typeof validator === "function") {
+                    var possibleErrorMessage = validator(keyValueArray[i]['value']);
+                    if (possibleErrorMessage)
+                        throw new Error(possibleErrorMessage);
+                } else if (!validator) {
+                    throw new Error("This template engine does not support the '" + key + "' binding within its templates");
+                }
+            }
+        }
+    }
+
+    function constructMemoizedTagReplacement(dataBindAttributeValue, tagToRetain, nodeName, templateEngine) {
+        var dataBindKeyValueArray = ko.expressionRewriting.parseObjectLiteral(dataBindAttributeValue);
+        validateDataBindValuesForRewriting(dataBindKeyValueArray);
+        var rewrittenDataBindAttributeValue = ko.expressionRewriting.preProcessBindings(dataBindKeyValueArray, {'valueAccessors':true});
+
+        // For no obvious reason, Opera fails to evaluate rewrittenDataBindAttributeValue unless it's wrapped in an additional
+        // anonymous function, even though Opera's built-in debugger can evaluate it anyway. No other browser requires this
+        // extra indirection.
+        var applyBindingsToNextSiblingScript =
+            "ko.__tr_ambtns(function($context,$element){return(function(){return{ " + rewrittenDataBindAttributeValue + " } })()},'" + nodeName.toLowerCase() + "')";
+        return templateEngine['createJavaScriptEvaluatorBlock'](applyBindingsToNextSiblingScript) + tagToRetain;
+    }
+
+    return {
+        ensureTemplateIsRewritten: function (template, templateEngine, templateDocument) {
+            if (!templateEngine['isTemplateRewritten'](template, templateDocument))
+                templateEngine['rewriteTemplate'](template, function (htmlString) {
+                    return ko.templateRewriting.memoizeBindingAttributeSyntax(htmlString, templateEngine);
+                }, templateDocument);
+        },
+
+        memoizeBindingAttributeSyntax: function (htmlString, templateEngine) {
+            return htmlString.replace(memoizeDataBindingAttributeSyntaxRegex, function () {
+                return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[4], /* tagToRetain: */ arguments[1], /* nodeName: */ arguments[2], templateEngine);
+            }).replace(memoizeVirtualContainerBindingSyntaxRegex, function() {
+                return constructMemoizedTagReplacement(/* dataBindAttributeValue: */ arguments[1], /* tagToRetain: */ "<!-- ko -->", /* nodeName: */ "#comment", templateEngine);
+            });
+        },
+
+        applyMemoizedBindingsToNextSibling: function (bindings, nodeName) {
+            return ko.memoization.memoize(function (domNode, bindingContext) {
+                var nodeToBind = domNode.nextSibling;
+                if (nodeToBind && nodeToBind.nodeName.toLowerCase() === nodeName) {
+                    ko.applyBindingAccessorsToNode(nodeToBind, bindings, bindingContext);
+                }
+            });
+        }
+    }
+})();
+
+
+// Exported only because it has to be referenced by string lookup from within rewritten template
+ko.exportSymbol('__tr_ambtns', ko.templateRewriting.applyMemoizedBindingsToNextSibling);
+(function() {
+    // A template source represents a read/write way of accessing a template. This is to eliminate the need for template loading/saving
+    // logic to be duplicated in every template engine (and means they can all work with anonymous templates, etc.)
+    //
+    // Two are provided by default:
+    //  1. ko.templateSources.domElement       - reads/writes the text content of an arbitrary DOM element
+    //  2. ko.templateSources.anonymousElement - uses ko.utils.domData to read/write text *associated* with the DOM element, but
+    //                                           without reading/writing the actual element text content, since it will be overwritten
+    //                                           with the rendered template output.
+    // You can implement your own template source if you want to fetch/store templates somewhere other than in DOM elements.
+    // Template sources need to have the following functions:
+    //   text() 			- returns the template text from your storage location
+    //   text(value)		- writes the supplied template text to your storage location
+    //   data(key)			- reads values stored using data(key, value) - see below
+    //   data(key, value)	- associates "value" with this template and the key "key". Is used to store information like "isRewritten".
+    //
+    // Optionally, template sources can also have the following functions:
+    //   nodes()            - returns a DOM element containing the nodes of this template, where available
+    //   nodes(value)       - writes the given DOM element to your storage location
+    // If a DOM element is available for a given template source, template engines are encouraged to use it in preference over text()
+    // for improved speed. However, all templateSources must supply text() even if they don't supply nodes().
+    //
+    // Once you've implemented a templateSource, make your template engine use it by subclassing whatever template engine you were
+    // using and overriding "makeTemplateSource" to return an instance of your custom template source.
+
+    ko.templateSources = {};
+
+    // ---- ko.templateSources.domElement -----
+
+    ko.templateSources.domElement = function(element) {
+        this.domElement = element;
+    }
+
+    ko.templateSources.domElement.prototype['text'] = function(/* valueToWrite */) {
+        var tagNameLower = ko.utils.tagNameLower(this.domElement),
+            elemContentsProperty = tagNameLower === "script" ? "text"
+                                 : tagNameLower === "textarea" ? "value"
+                                 : "innerHTML";
+
+        if (arguments.length == 0) {
+            return this.domElement[elemContentsProperty];
+        } else {
+            var valueToWrite = arguments[0];
+            if (elemContentsProperty === "innerHTML")
+                ko.utils.setHtml(this.domElement, valueToWrite);
+            else
+                this.domElement[elemContentsProperty] = valueToWrite;
+        }
+    };
+
+    var dataDomDataPrefix = ko.utils.domData.nextKey() + "_";
+    ko.templateSources.domElement.prototype['data'] = function(key /*, valueToWrite */) {
+        if (arguments.length === 1) {
+            return ko.utils.domData.get(this.domElement, dataDomDataPrefix + key);
+        } else {
+            ko.utils.domData.set(this.domElement, dataDomDataPrefix + key, arguments[1]);
+        }
+    };
+
+    // ---- ko.templateSources.anonymousTemplate -----
+    // Anonymous templates are normally saved/retrieved as DOM nodes through "nodes".
+    // For compatibility, you can also read "text"; it will be serialized from the nodes on demand.
+    // Writing to "text" is still supported, but then the template data will not be available as DOM nodes.
+
+    var anonymousTemplatesDomDataKey = ko.utils.domData.nextKey();
+    ko.templateSources.anonymousTemplate = function(element) {
+        this.domElement = element;
+    }
+    ko.templateSources.anonymousTemplate.prototype = new ko.templateSources.domElement();
+    ko.templateSources.anonymousTemplate.prototype.constructor = ko.templateSources.anonymousTemplate;
+    ko.templateSources.anonymousTemplate.prototype['text'] = function(/* valueToWrite */) {
+        if (arguments.length == 0) {
+            var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
+            if (templateData.textData === undefined && templateData.containerData)
+                templateData.textData = templateData.containerData.innerHTML;
+            return templateData.textData;
+        } else {
+            var valueToWrite = arguments[0];
+            ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {textData: valueToWrite});
+        }
+    };
+    ko.templateSources.domElement.prototype['nodes'] = function(/* valueToWrite */) {
+        if (arguments.length == 0) {
+            var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
+            return templateData.containerData;
+        } else {
+            var valueToWrite = arguments[0];
+            ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {containerData: valueToWrite});
+        }
+    };
+
+    ko.exportSymbol('templateSources', ko.templateSources);
+    ko.exportSymbol('templateSources.domElement', ko.templateSources.domElement);
+    ko.exportSymbol('templateSources.anonymousTemplate', ko.templateSources.anonymousTemplate);
+})();
+(function () {
+    var _templateEngine;
+    ko.setTemplateEngine = function (templateEngine) {
+        if ((templateEngine != undefined) && !(templateEngine instanceof ko.templateEngine))
+            throw new Error("templateEngine must inherit from ko.templateEngine");
+        _templateEngine = templateEngine;
+    }
+
+    function invokeForEachNodeInContinuousRange(firstNode, lastNode, action) {
+        var node, nextInQueue = firstNode, firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
+        while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
+            nextInQueue = ko.virtualElements.nextSibling(node);
+            action(node, nextInQueue);
+        }
+    }
+
+    function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
+        // To be used on any nodes that have been rendered by a template and have been inserted into some parent element
+        // Walks through continuousNodeArray (which *must* be continuous, i.e., an uninterrupted sequence of sibling nodes, because
+        // the algorithm for walking them relies on this), and for each top-level item in the virtual-element sense,
+        // (1) Does a regular "applyBindings" to associate bindingContext with this node and to activate any non-memoized bindings
+        // (2) Unmemoizes any memos in the DOM subtree (e.g., to activate bindings that had been memoized during template rewriting)
+
+        if (continuousNodeArray.length) {
+            var firstNode = continuousNodeArray[0],
+                lastNode = continuousNodeArray[continuousNodeArray.length - 1],
+                parentNode = firstNode.parentNode,
+                provider = ko.bindingProvider['instance'],
+                preprocessNode = provider['preprocessNode'];
+
+            if (preprocessNode) {
+                invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node, nextNodeInRange) {
+                    var nodePreviousSibling = node.previousSibling;
+                    var newNodes = preprocessNode.call(provider, node);
+                    if (newNodes) {
+                        if (node === firstNode)
+                            firstNode = newNodes[0] || nextNodeInRange;
+                        if (node === lastNode)
+                            lastNode = newNodes[newNodes.length - 1] || nodePreviousSibling;
+                    }
+                });
+
+                // Because preprocessNode can change the nodes, including the first and last nodes, update continuousNodeArray to match.
+                // We need the full set, including inner nodes, because the unmemoize step might remove the first node (and so the real
+                // first node needs to be in the array).
+                continuousNodeArray.length = 0;
+                if (!firstNode) { // preprocessNode might have removed all the nodes, in which case there's nothing left to do
+                    return;
+                }
+                if (firstNode === lastNode) {
+                    continuousNodeArray.push(firstNode);
+                } else {
+                    continuousNodeArray.push(firstNode, lastNode);
+                    ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
+                }
+            }
+
+            // Need to applyBindings *before* unmemoziation, because unmemoization might introduce extra nodes (that we don't want to re-bind)
+            // whereas a regular applyBindings won't introduce new memoized nodes
+            invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
+                if (node.nodeType === 1 || node.nodeType === 8)
+                    ko.applyBindings(bindingContext, node);
+            });
+            invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
+                if (node.nodeType === 1 || node.nodeType === 8)
+                    ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
+            });
+
+            // Make sure any changes done by applyBindings or unmemoize are reflected in the array
+            ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
+        }
+    }
+
+    function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
+        return nodeOrNodeArray.nodeType ? nodeOrNodeArray
+                                        : nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0]
+                                        : null;
+    }
+
+    function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext, options) {
+        options = options || {};
+        var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+        var templateDocument = firstTargetNode && firstTargetNode.ownerDocument;
+        var templateEngineToUse = (options['templateEngine'] || _templateEngine);
+        ko.templateRewriting.ensureTemplateIsRewritten(template, templateEngineToUse, templateDocument);
+        var renderedNodesArray = templateEngineToUse['renderTemplate'](template, bindingContext, options, templateDocument);
+
+        // Loosely check result is an array of DOM nodes
+        if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
+            throw new Error("Template engine must return an array of DOM nodes");
+
+        var haveAddedNodesToParent = false;
+        switch (renderMode) {
+            case "replaceChildren":
+                ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
+                haveAddedNodesToParent = true;
+                break;
+            case "replaceNode":
+                ko.utils.replaceDomNodes(targetNodeOrNodeArray, renderedNodesArray);
+                haveAddedNodesToParent = true;
+                break;
+            case "ignoreTargetNode": break;
+            default:
+                throw new Error("Unknown renderMode: " + renderMode);
+        }
+
+        if (haveAddedNodesToParent) {
+            activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
+            if (options['afterRender'])
+                ko.dependencyDetection.ignore(options['afterRender'], null, [renderedNodesArray, bindingContext['$data']]);
+        }
+
+        return renderedNodesArray;
+    }
+
+    ko.renderTemplate = function (template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
+        options = options || {};
+        if ((options['templateEngine'] || _templateEngine) == undefined)
+            throw new Error("Set a template engine before calling renderTemplate");
+        renderMode = renderMode || "replaceChildren";
+
+        if (targetNodeOrNodeArray) {
+            var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+
+            var whenToDispose = function () { return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode); }; // Passive disposal (on next evaluation)
+            var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
+
+            return ko.dependentObservable( // So the DOM is automatically updated when any dependency changes
+                function () {
+                    // Ensure we've got a proper binding context to work with
+                    var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext))
+                        ? dataOrBindingContext
+                        : new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
+
+                    // Support selecting template as a function of the data being rendered
+                    var templateName = typeof(template) == 'function' ? template(bindingContext['$data'], bindingContext) : template;
+
+                    var renderedNodesArray = executeTemplate(targetNodeOrNodeArray, renderMode, templateName, bindingContext, options);
+                    if (renderMode == "replaceNode") {
+                        targetNodeOrNodeArray = renderedNodesArray;
+                        firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
+                    }
+                },
+                null,
+                { disposeWhen: whenToDispose, disposeWhenNodeIsRemoved: activelyDisposeWhenNodeIsRemoved }
+            );
+        } else {
+            // We don't yet have a DOM node to evaluate, so use a memo and render the template later when there is a DOM node
+            return ko.memoization.memoize(function (domNode) {
+                ko.renderTemplate(template, dataOrBindingContext, options, domNode, "replaceNode");
+            });
+        }
+    };
+
+    ko.renderTemplateForEach = function (template, arrayOrObservableArray, options, targetNode, parentBindingContext) {
+        // Since setDomNodeChildrenFromArrayMapping always calls executeTemplateForArrayItem and then
+        // activateBindingsCallback for added items, we can store the binding context in the former to use in the latter.
+        var arrayItemContext;
+
+        // This will be called by setDomNodeChildrenFromArrayMapping to get the nodes to add to targetNode
+        var executeTemplateForArrayItem = function (arrayValue, index) {
+            // Support selecting template as a function of the data being rendered
+            arrayItemContext = parentBindingContext['createChildContext'](arrayValue, options['as'], function(context) {
+                context['$index'] = index;
+            });
+            var templateName = typeof(template) == 'function' ? template(arrayValue, arrayItemContext) : template;
+            return executeTemplate(null, "ignoreTargetNode", templateName, arrayItemContext, options);
+        }
+
+        // This will be called whenever setDomNodeChildrenFromArrayMapping has added nodes to targetNode
+        var activateBindingsCallback = function(arrayValue, addedNodesArray, index) {
+            activateBindingsOnContinuousNodeArray(addedNodesArray, arrayItemContext);
+            if (options['afterRender'])
+                options['afterRender'](addedNodesArray, arrayValue);
+        };
+
+        return ko.dependentObservable(function () {
+            var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
+            if (typeof unwrappedArray.length == "undefined") // Coerce single value into array
+                unwrappedArray = [unwrappedArray];
+
+            // Filter out any entries marked as destroyed
+            var filteredArray = ko.utils.arrayFilter(unwrappedArray, function(item) {
+                return options['includeDestroyed'] || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
+            });
+
+            // Call setDomNodeChildrenFromArrayMapping, ignoring any observables unwrapped within (most likely from a callback function).
+            // If the array items are observables, though, they will be unwrapped in executeTemplateForArrayItem and managed within setDomNodeChildrenFromArrayMapping.
+            ko.dependencyDetection.ignore(ko.utils.setDomNodeChildrenFromArrayMapping, null, [targetNode, filteredArray, executeTemplateForArrayItem, options, activateBindingsCallback]);
+
+        }, null, { disposeWhenNodeIsRemoved: targetNode });
+    };
+
+    var templateComputedDomDataKey = ko.utils.domData.nextKey();
+    function disposeOldComputedAndStoreNewOne(element, newComputed) {
+        var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
+        if (oldComputed && (typeof(oldComputed.dispose) == 'function'))
+            oldComputed.dispose();
+        ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && newComputed.isActive()) ? newComputed : undefined);
+    }
+
+    ko.bindingHandlers['template'] = {
+        'init': function(element, valueAccessor) {
+            // Support anonymous templates
+            var bindingValue = ko.utils.unwrapObservable(valueAccessor());
+            if (typeof bindingValue == "string" || bindingValue['name']) {
+                // It's a named template - clear the element
+                ko.virtualElements.emptyNode(element);
+            } else {
+                // It's an anonymous template - store the element contents, then clear the element
+                var templateNodes = ko.virtualElements.childNodes(element),
+                    container = ko.utils.moveCleanedNodesToContainerElement(templateNodes); // This also removes the nodes from their current parent
+                new ko.templateSources.anonymousTemplate(element)['nodes'](container);
+            }
+            return { 'controlsDescendantBindings': true };
+        },
+        'update': function (element, valueAccessor, allBindings, viewModel, bindingContext) {
+            var templateName = ko.utils.unwrapObservable(valueAccessor()),
+                options = {},
+                shouldDisplay = true,
+                dataValue,
+                templateComputed = null;
+
+            if (typeof templateName != "string") {
+                options = templateName;
+                templateName = ko.utils.unwrapObservable(options['name']);
+
+                // Support "if"/"ifnot" conditions
+                if ('if' in options)
+                    shouldDisplay = ko.utils.unwrapObservable(options['if']);
+                if (shouldDisplay && 'ifnot' in options)
+                    shouldDisplay = !ko.utils.unwrapObservable(options['ifnot']);
+
+                dataValue = ko.utils.unwrapObservable(options['data']);
+            }
+
+            if ('foreach' in options) {
+                // Render once for each data point (treating data set as empty if shouldDisplay==false)
+                var dataArray = (shouldDisplay && options['foreach']) || [];
+                templateComputed = ko.renderTemplateForEach(templateName || element, dataArray, options, element, bindingContext);
+            } else if (!shouldDisplay) {
+                ko.virtualElements.emptyNode(element);
+            } else {
+                // Render once for this single data point (or use the viewModel if no data was provided)
+                var innerBindingContext = ('data' in options) ?
+                    bindingContext['createChildContext'](dataValue, options['as']) :  // Given an explitit 'data' value, we create a child binding context for it
+                    bindingContext;                                                        // Given no explicit 'data' value, we retain the same binding context
+                templateComputed = ko.renderTemplate(templateName || element, innerBindingContext, options, element);
+            }
+
+            // It only makes sense to have a single template computed per element (otherwise which one should have its output displayed?)
+            disposeOldComputedAndStoreNewOne(element, templateComputed);
+        }
+    };
+
+    // Anonymous templates can't be rewritten. Give a nice error message if you try to do it.
+    ko.expressionRewriting.bindingRewriteValidators['template'] = function(bindingValue) {
+        var parsedBindingValue = ko.expressionRewriting.parseObjectLiteral(bindingValue);
+
+        if ((parsedBindingValue.length == 1) && parsedBindingValue[0]['unknown'])
+            return null; // It looks like a string literal, not an object literal, so treat it as a named template (which is allowed for rewriting)
+
+        if (ko.expressionRewriting.keyValueArrayContainsKey(parsedBindingValue, "name"))
+            return null; // Named templates can be rewritten, so return "no error"
+        return "This template engine does not support anonymous templates nested within its templates";
+    };
+
+    ko.virtualElements.allowedBindings['template'] = true;
+})();
+
+ko.exportSymbol('setTemplateEngine', ko.setTemplateEngine);
+ko.exportSymbol('renderTemplate', ko.renderTemplate);
+
+ko.utils.compareArrays = (function () {
+    var statusNotInOld = 'added', statusNotInNew = 'deleted';
+
+    // Simple calculation based on Levenshtein distance.
+    function compareArrays(oldArray, newArray, options) {
+        // For backward compatibility, if the third arg is actually a bool, interpret
+        // it as the old parameter 'dontLimitMoves'. Newer code should use { dontLimitMoves: true }.
+        options = (typeof options === 'boolean') ? { 'dontLimitMoves': options } : (options || {});
+        oldArray = oldArray || [];
+        newArray = newArray || [];
+
+        if (oldArray.length <= newArray.length)
+            return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, options);
+        else
+            return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, options);
+    }
+
+    function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, options) {
+        var myMin = Math.min,
+            myMax = Math.max,
+            editDistanceMatrix = [],
+            smlIndex, smlIndexMax = smlArray.length,
+            bigIndex, bigIndexMax = bigArray.length,
+            compareRange = (bigIndexMax - smlIndexMax) || 1,
+            maxDistance = smlIndexMax + bigIndexMax + 1,
+            thisRow, lastRow,
+            bigIndexMaxForRow, bigIndexMinForRow;
+
+        for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
+            lastRow = thisRow;
+            editDistanceMatrix.push(thisRow = []);
+            bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
+            bigIndexMinForRow = myMax(0, smlIndex - 1);
+            for (bigIndex = bigIndexMinForRow; bigIndex <= bigIndexMaxForRow; bigIndex++) {
+                if (!bigIndex)
+                    thisRow[bigIndex] = smlIndex + 1;
+                else if (!smlIndex)  // Top row - transform empty array into new array via additions
+                    thisRow[bigIndex] = bigIndex + 1;
+                else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
+                    thisRow[bigIndex] = lastRow[bigIndex - 1];                  // copy value (no edit)
+                else {
+                    var northDistance = lastRow[bigIndex] || maxDistance;       // not in big (deletion)
+                    var westDistance = thisRow[bigIndex - 1] || maxDistance;    // not in small (addition)
+                    thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
+                }
+            }
+        }
+
+        var editScript = [], meMinusOne, notInSml = [], notInBig = [];
+        for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
+            meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
+            if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex-1]) {
+                notInSml.push(editScript[editScript.length] = {     // added
+                    'status': statusNotInSml,
+                    'value': bigArray[--bigIndex],
+                    'index': bigIndex });
+            } else if (smlIndex && meMinusOne === editDistanceMatrix[smlIndex - 1][bigIndex]) {
+                notInBig.push(editScript[editScript.length] = {     // deleted
+                    'status': statusNotInBig,
+                    'value': smlArray[--smlIndex],
+                    'index': smlIndex });
+            } else {
+                --bigIndex;
+                --smlIndex;
+                if (!options['sparse']) {
+                    editScript.push({
+                        'status': "retained",
+                        'value': bigArray[bigIndex] });
+                }
+            }
+        }
+
+        if (notInSml.length && notInBig.length) {
+            // Set a limit on the number of consecutive non-matching comparisons; having it a multiple of
+            // smlIndexMax keeps the time complexity of this algorithm linear.
+            var limitFailedCompares = smlIndexMax * 10, failedCompares,
+                a, d, notInSmlItem, notInBigItem;
+            // Go through the items that have been added and deleted and try to find matches between them.
+            for (failedCompares = a = 0; (options['dontLimitMoves'] || failedCompares < limitFailedCompares) && (notInSmlItem = notInSml[a]); a++) {
+                for (d = 0; notInBigItem = notInBig[d]; d++) {
+                    if (notInSmlItem['value'] === notInBigItem['value']) {
+                        notInSmlItem['moved'] = notInBigItem['index'];
+                        notInBigItem['moved'] = notInSmlItem['index'];
+                        notInBig.splice(d,1);       // This item is marked as moved; so remove it from notInBig list
+                        failedCompares = d = 0;     // Reset failed compares count because we're checking for consecutive failures
+                        break;
+                    }
+                }
+                failedCompares += d;
+            }
+        }
+        return editScript.reverse();
+    }
+
+    return compareArrays;
+})();
+
+ko.exportSymbol('utils.compareArrays', ko.utils.compareArrays);
+
+(function () {
+    // Objective:
+    // * Given an input array, a container DOM node, and a function from array elements to arrays of DOM nodes,
+    //   map the array elements to arrays of DOM nodes, concatenate together all these arrays, and use them to populate the container DOM node
+    // * Next time we're given the same combination of things (with the array possibly having mutated), update the container DOM node
+    //   so that its children is again the concatenation of the mappings of the array elements, but don't re-map any array elements that we
+    //   previously mapped - retain those nodes, and just insert/delete other ones
+
+    // "callbackAfterAddingNodes" will be invoked after any "mapping"-generated nodes are inserted into the container node
+    // You can use this, for example, to activate bindings on those nodes.
+
+    function mapNodeAndRefreshWhenChanged(containerNode, mapping, valueToMap, callbackAfterAddingNodes, index) {
+        // Map this array value inside a dependentObservable so we re-map when any dependency changes
+        var mappedNodes = [];
+        var dependentObservable = ko.dependentObservable(function() {
+            var newMappedNodes = mapping(valueToMap, index, ko.utils.fixUpContinuousNodeArray(mappedNodes, containerNode)) || [];
+
+            // On subsequent evaluations, just replace the previously-inserted DOM nodes
+            if (mappedNodes.length > 0) {
+                ko.utils.replaceDomNodes(mappedNodes, newMappedNodes);
+                if (callbackAfterAddingNodes)
+                    ko.dependencyDetection.ignore(callbackAfterAddingNodes, null, [valueToMap, newMappedNodes, index]);
+            }
+
+            // Replace the contents of the mappedNodes array, thereby updating the record
+            // of which nodes would be deleted if valueToMap was itself later removed
+            mappedNodes.splice(0, mappedNodes.length);
+            ko.utils.arrayPushAll(mappedNodes, newMappedNodes);
+        }, null, { disposeWhenNodeIsRemoved: containerNode, disposeWhen: function() { return !ko.utils.anyDomNodeIsAttachedToDocument(mappedNodes); } });
+        return { mappedNodes : mappedNodes, dependentObservable : (dependentObservable.isActive() ? dependentObservable : undefined) };
+    }
+
+    var lastMappingResultDomDataKey = ko.utils.domData.nextKey();
+
+    ko.utils.setDomNodeChildrenFromArrayMapping = function (domNode, array, mapping, options, callbackAfterAddingNodes) {
+        // Compare the provided array against the previous one
+        array = array || [];
+        options = options || {};
+        var isFirstExecution = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) === undefined;
+        var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) || [];
+        var lastArray = ko.utils.arrayMap(lastMappingResult, function (x) { return x.arrayEntry; });
+        var editScript = ko.utils.compareArrays(lastArray, array, options['dontLimitMoves']);
+
+        // Build the new mapping result
+        var newMappingResult = [];
+        var lastMappingResultIndex = 0;
+        var newMappingResultIndex = 0;
+
+        var nodesToDelete = [];
+        var itemsToProcess = [];
+        var itemsForBeforeRemoveCallbacks = [];
+        var itemsForMoveCallbacks = [];
+        var itemsForAfterAddCallbacks = [];
+        var mapData;
+
+        function itemMovedOrRetained(editScriptIndex, oldPosition) {
+            mapData = lastMappingResult[oldPosition];
+            if (newMappingResultIndex !== oldPosition)
+                itemsForMoveCallbacks[editScriptIndex] = mapData;
+            // Since updating the index might change the nodes, do so before calling fixUpContinuousNodeArray
+            mapData.indexObservable(newMappingResultIndex++);
+            ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
+            newMappingResult.push(mapData);
+            itemsToProcess.push(mapData);
+        }
+
+        function callCallback(callback, items) {
+            if (callback) {
+                for (var i = 0, n = items.length; i < n; i++) {
+                    if (items[i]) {
+                        ko.utils.arrayForEach(items[i].mappedNodes, function(node) {
+                            callback(node, i, items[i].arrayEntry);
+                        });
+                    }
+                }
+            }
+        }
+
+        for (var i = 0, editScriptItem, movedIndex; editScriptItem = editScript[i]; i++) {
+            movedIndex = editScriptItem['moved'];
+            switch (editScriptItem['status']) {
+                case "deleted":
+                    if (movedIndex === undefined) {
+                        mapData = lastMappingResult[lastMappingResultIndex];
+
+                        // Stop tracking changes to the mapping for these nodes
+                        if (mapData.dependentObservable)
+                            mapData.dependentObservable.dispose();
+
+                        // Queue these nodes for later removal
+                        nodesToDelete.push.apply(nodesToDelete, ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode));
+                        if (options['beforeRemove']) {
+                            itemsForBeforeRemoveCallbacks[i] = mapData;
+                            itemsToProcess.push(mapData);
+                        }
+                    }
+                    lastMappingResultIndex++;
+                    break;
+
+                case "retained":
+                    itemMovedOrRetained(i, lastMappingResultIndex++);
+                    break;
+
+                case "added":
+                    if (movedIndex !== undefined) {
+                        itemMovedOrRetained(i, movedIndex);
+                    } else {
+                        mapData = { arrayEntry: editScriptItem['value'], indexObservable: ko.observable(newMappingResultIndex++) };
+                        newMappingResult.push(mapData);
+                        itemsToProcess.push(mapData);
+                        if (!isFirstExecution)
+                            itemsForAfterAddCallbacks[i] = mapData;
+                    }
+                    break;
+            }
+        }
+
+        // Call beforeMove first before any changes have been made to the DOM
+        callCallback(options['beforeMove'], itemsForMoveCallbacks);
+
+        // Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
+        ko.utils.arrayForEach(nodesToDelete, options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
+
+        // Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
+        for (var i = 0, nextNode = ko.virtualElements.firstChild(domNode), lastNode, node; mapData = itemsToProcess[i]; i++) {
+            // Get nodes for newly added items
+            if (!mapData.mappedNodes)
+                ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
+
+            // Put nodes in the right place if they aren't there already
+            for (var j = 0; node = mapData.mappedNodes[j]; nextNode = node.nextSibling, lastNode = node, j++) {
+                if (node !== nextNode)
+                    ko.virtualElements.insertAfter(domNode, node, lastNode);
+            }
+
+            // Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
+            if (!mapData.initialized && callbackAfterAddingNodes) {
+                callbackAfterAddingNodes(mapData.arrayEntry, mapData.mappedNodes, mapData.indexObservable);
+                mapData.initialized = true;
+            }
+        }
+
+        // If there's a beforeRemove callback, call it after reordering.
+        // Note that we assume that the beforeRemove callback will usually be used to remove the nodes using
+        // some sort of animation, which is why we first reorder the nodes that will be removed. If the
+        // callback instead removes the nodes right away, it would be more efficient to skip reordering them.
+        // Perhaps we'll make that change in the future if this scenario becomes more common.
+        callCallback(options['beforeRemove'], itemsForBeforeRemoveCallbacks);
+
+        // Finally call afterMove and afterAdd callbacks
+        callCallback(options['afterMove'], itemsForMoveCallbacks);
+        callCallback(options['afterAdd'], itemsForAfterAddCallbacks);
+
+        // Store a copy of the array items we just considered so we can difference it next time
+        ko.utils.domData.set(domNode, lastMappingResultDomDataKey, newMappingResult);
+    }
+})();
+
+ko.exportSymbol('utils.setDomNodeChildrenFromArrayMapping', ko.utils.setDomNodeChildrenFromArrayMapping);
+ko.nativeTemplateEngine = function () {
+    this['allowTemplateRewriting'] = false;
+}
+
+ko.nativeTemplateEngine.prototype = new ko.templateEngine();
+ko.nativeTemplateEngine.prototype.constructor = ko.nativeTemplateEngine;
+ko.nativeTemplateEngine.prototype['renderTemplateSource'] = function (templateSource, bindingContext, options) {
+    var useNodesIfAvailable = !(ko.utils.ieVersion < 9), // IE<9 cloneNode doesn't work properly
+        templateNodesFunc = useNodesIfAvailable ? templateSource['nodes'] : null,
+        templateNodes = templateNodesFunc ? templateSource['nodes']() : null;
+
+    if (templateNodes) {
+        return ko.utils.makeArray(templateNodes.cloneNode(true).childNodes);
+    } else {
+        var templateText = templateSource['text']();
+        return ko.utils.parseHtmlFragment(templateText);
+    }
+};
+
+ko.nativeTemplateEngine.instance = new ko.nativeTemplateEngine();
+ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
+
+ko.exportSymbol('nativeTemplateEngine', ko.nativeTemplateEngine);
+(function() {
+    ko.jqueryTmplTemplateEngine = function () {
+        // Detect which version of jquery-tmpl you're using. Unfortunately jquery-tmpl
+        // doesn't expose a version number, so we have to infer it.
+        // Note that as of Knockout 1.3, we only support jQuery.tmpl 1.0.0pre and later,
+        // which KO internally refers to as version "2", so older versions are no longer detected.
+        var jQueryTmplVersion = this.jQueryTmplVersion = (function() {
+            if ((typeof(jQuery) == "undefined") || !(jQuery['tmpl']))
+                return 0;
+            // Since it exposes no official version number, we use our own numbering system. To be updated as jquery-tmpl evolves.
+            try {
+                if (jQuery['tmpl']['tag']['tmpl']['open'].toString().indexOf('__') >= 0) {
+                    // Since 1.0.0pre, custom tags should append markup to an array called "__"
+                    return 2; // Final version of jquery.tmpl
+                }
+            } catch(ex) { /* Apparently not the version we were looking for */ }
+
+            return 1; // Any older version that we don't support
+        })();
+
+        function ensureHasReferencedJQueryTemplates() {
+            if (jQueryTmplVersion < 2)
+                throw new Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");
+        }
+
+        function executeTemplate(compiledTemplate, data, jQueryTemplateOptions) {
+            return jQuery['tmpl'](compiledTemplate, data, jQueryTemplateOptions);
+        }
+
+        this['renderTemplateSource'] = function(templateSource, bindingContext, options) {
+            options = options || {};
+            ensureHasReferencedJQueryTemplates();
+
+            // Ensure we have stored a precompiled version of this template (don't want to reparse on every render)
+            var precompiled = templateSource['data']('precompiled');
+            if (!precompiled) {
+                var templateText = templateSource['text']() || "";
+                // Wrap in "with($whatever.koBindingContext) { ... }"
+                templateText = "{{ko_with $item.koBindingContext}}" + templateText + "{{/ko_with}}";
+
+                precompiled = jQuery['template'](null, templateText);
+                templateSource['data']('precompiled', precompiled);
+            }
+
+            var data = [bindingContext['$data']]; // Prewrap the data in an array to stop jquery.tmpl from trying to unwrap any arrays
+            var jQueryTemplateOptions = jQuery['extend']({ 'koBindingContext': bindingContext }, options['templateOptions']);
+
+            var resultNodes = executeTemplate(precompiled, data, jQueryTemplateOptions);
+            resultNodes['appendTo'](document.createElement("div")); // Using "appendTo" forces jQuery/jQuery.tmpl to perform necessary cleanup work
+
+            jQuery['fragments'] = {}; // Clear jQuery's fragment cache to avoid a memory leak after a large number of template renders
+            return resultNodes;
+        };
+
+        this['createJavaScriptEvaluatorBlock'] = function(script) {
+            return "{{ko_code ((function() { return " + script + " })()) }}";
+        };
+
+        this['addTemplate'] = function(templateName, templateMarkup) {
+            document.write("<script type='text/html' id='" + templateName + "'>" + templateMarkup + "<" + "/script>");
+        };
+
+        if (jQueryTmplVersion > 0) {
+            jQuery['tmpl']['tag']['ko_code'] = {
+                open: "__.push($1 || '');"
+            };
+            jQuery['tmpl']['tag']['ko_with'] = {
+                open: "with($1) {",
+                close: "} "
+            };
+        }
+    };
+
+    ko.jqueryTmplTemplateEngine.prototype = new ko.templateEngine();
+    ko.jqueryTmplTemplateEngine.prototype.constructor = ko.jqueryTmplTemplateEngine;
+
+    // Use this one by default *only if jquery.tmpl is referenced*
+    var jqueryTmplTemplateEngineInstance = new ko.jqueryTmplTemplateEngine();
+    if (jqueryTmplTemplateEngineInstance.jQueryTmplVersion > 0)
+        ko.setTemplateEngine(jqueryTmplTemplateEngineInstance);
+
+    ko.exportSymbol('jqueryTmplTemplateEngine', ko.jqueryTmplTemplateEngine);
+})();
+}));
+}());
+})();
diff --git a/eslint/tests/bin/eslint.js b/eslint/tests/bin/eslint.js
new file mode 100644
index 0000000..8b771dc
--- /dev/null
+++ b/eslint/tests/bin/eslint.js
@@ -0,0 +1,404 @@
+/**
+ * @fileoverview Integration tests for the eslint.js executable.
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const childProcess = require("child_process");
+const fs = require("fs");
+const assert = require("chai").assert;
+const EXECUTABLE_PATH = require("path").resolve(`${__dirname}/../../bin/eslint.js`);
+
+/**
+ * Returns a Promise for when a child process exits
+ * @param {ChildProcess} exitingProcess The child process
+ * @returns {Promise<number>} A Promise that fulfills with the exit code when the child process exits
+ */
+function awaitExit(exitingProcess) {
+    return new Promise(resolve => exitingProcess.once("exit", resolve));
+}
+
+/**
+ * Asserts that the exit code of a given child process will equal the given value.
+ * @param {ChildProcess} exitingProcess The child process
+ * @param {number} expectedExitCode The expected exit code of the child process
+ * @returns {Promise} A Promise that fulfills if the exit code ends up matching, and rejects otherwise.
+ */
+function assertExitCode(exitingProcess, expectedExitCode) {
+    return awaitExit(exitingProcess).then(exitCode => {
+        assert.strictEqual(exitCode, expectedExitCode, `Expected an exit code of ${expectedExitCode} but got ${exitCode}.`);
+    });
+}
+
+/**
+ * Returns a Promise for the stdout of a process.
+ * @param {ChildProcess} runningProcess The child process
+ * @returns {Promise<{stdout: string, stderr: string}>} A Promise that fulfills with all of the
+ * stdout and stderr output produced by the process when it exits.
+ */
+function getOutput(runningProcess) {
+    let stdout = "";
+    let stderr = "";
+
+    runningProcess.stdout.on("data", data => (stdout += data));
+    runningProcess.stderr.on("data", data => (stderr += data));
+    return awaitExit(runningProcess).then(() => ({ stdout, stderr }));
+}
+
+describe("bin/eslint.js", () => {
+    const forkedProcesses = new Set();
+
+    /**
+     * Forks the process to run an instance of ESLint.
+     * @param {string[]} [args] An array of arguments
+     * @param {Object} [options] An object containing options for the resulting child process
+     * @returns {ChildProcess} The resulting child process
+     */
+    function runESLint(args, options) {
+        const newProcess = childProcess.fork(EXECUTABLE_PATH, args, Object.assign({ silent: true }, options));
+
+        forkedProcesses.add(newProcess);
+        return newProcess;
+    }
+
+    describe("reading from stdin", () => {
+        it("has exit code 0 if no linting errors are reported", () => {
+            const child = runESLint(["--stdin", "--no-eslintrc"]);
+
+            child.stdin.write("var foo = bar;\n");
+            child.stdin.end();
+            return assertExitCode(child, 0);
+        });
+
+        it("has exit code 0 if no linting errors are reported", () => {
+            const child = runESLint([
+                "--stdin",
+                "--no-eslintrc",
+                "--rule",
+                "{'no-extra-semi': 2}",
+                "--fix-dry-run",
+                "--format",
+                "json"
+            ]);
+
+            const expectedOutput = JSON.stringify([
+                {
+                    filePath: "<text>",
+                    messages: [],
+                    errorCount: 0,
+                    warningCount: 0,
+                    fixableErrorCount: 0,
+                    fixableWarningCount: 0,
+                    output: "var foo = bar;\n"
+                }
+            ]);
+
+            const exitCodePromise = assertExitCode(child, 0);
+            const stdoutPromise = getOutput(child).then(output => {
+                assert.strictEqual(output.stdout.trim(), expectedOutput);
+                assert.strictEqual(output.stderr, "");
+            });
+
+            child.stdin.write("var foo = bar;;\n");
+            child.stdin.end();
+
+            return Promise.all([exitCodePromise, stdoutPromise]);
+        });
+
+        it("has exit code 1 if a syntax error is thrown", () => {
+            const child = runESLint(["--stdin", "--no-eslintrc"]);
+
+            child.stdin.write("This is not valid JS syntax.\n");
+            child.stdin.end();
+            return assertExitCode(child, 1);
+        });
+
+        it("has exit code 1 if a linting error occurs", () => {
+            const child = runESLint(["--stdin", "--no-eslintrc", "--rule", "semi:2"]);
+
+            child.stdin.write("var foo = bar // <-- no semicolon\n");
+            child.stdin.end();
+            return assertExitCode(child, 1);
+        });
+
+        it(
+            "gives a detailed error message if no config file is found in /",
+            () => {
+                if (
+                    fs.readdirSync("/").some(
+                        fileName =>
+                            /^\.eslintrc(?:\.(?:js|yaml|yml|json))?$/u
+                                .test(fileName)
+                    )
+                ) {
+                    return Promise.resolve(true);
+                }
+                const child = runESLint(
+                    ["--stdin"], { cwd: "/", env: { HOME: "/" } }
+                );
+
+                const exitCodePromise = assertExitCode(child, 2);
+                const stderrPromise = getOutput(child).then(output => {
+                    assert.match(
+                        output.stderr,
+                        /ESLint couldn't find a configuration file/u
+                    );
+                });
+
+                child.stdin.write("1 < 3;\n");
+                child.stdin.end();
+                return Promise.all([exitCodePromise, stderrPromise]);
+            }
+        );
+
+        it("successfully reads from an asynchronous pipe", () => {
+            const child = runESLint(["--stdin", "--no-eslintrc"]);
+
+            child.stdin.write("var foo = bar;\n");
+            return new Promise(resolve => setTimeout(resolve, 300)).then(() => {
+                child.stdin.write("var baz = qux;\n");
+                child.stdin.end();
+
+                return assertExitCode(child, 0);
+            });
+        });
+
+        it("successfully handles more than 4k data via stdin", () => {
+            const child = runESLint(["--stdin", "--no-eslintrc"]);
+            const large = fs.createReadStream(`${__dirname}/../bench/large.js`, "utf8");
+
+            large.pipe(child.stdin);
+
+            return assertExitCode(child, 0);
+        });
+    });
+
+    describe("running on files", () => {
+        it("has exit code 0 if no linting errors occur", () => assertExitCode(runESLint(["bin/eslint.js"]), 0));
+        it("has exit code 0 if a linting warning is reported", () => assertExitCode(runESLint(["bin/eslint.js", "--env", "es6", "--no-eslintrc", "--rule", "semi: [1, never]"]), 0));
+        it("has exit code 1 if a linting error is reported", () => assertExitCode(runESLint(["bin/eslint.js", "--env", "es6", "--no-eslintrc", "--rule", "semi: [2, never]"]), 1));
+        it("has exit code 1 if a syntax error is thrown", () => assertExitCode(runESLint(["README.md"]), 1));
+    });
+
+    describe("automatically fixing files", () => {
+        const fixturesPath = `${__dirname}/../fixtures/autofix-integration`;
+        const tempFilePath = `${fixturesPath}/temp.js`;
+        const startingText = fs.readFileSync(`${fixturesPath}/left-pad.js`).toString();
+        const expectedFixedText = fs.readFileSync(`${fixturesPath}/left-pad-expected.js`).toString();
+        const expectedFixedTextQuiet = fs.readFileSync(`${fixturesPath}/left-pad-expected-quiet.js`).toString();
+
+        beforeEach(() => {
+            fs.writeFileSync(tempFilePath, startingText);
+        });
+
+        it("has exit code 0 and fixes a file if all rules can be fixed", () => {
+            const child = runESLint(["--fix", "--no-eslintrc", "--no-ignore", tempFilePath]);
+            const exitCodeAssertion = assertExitCode(child, 0);
+            const outputFileAssertion = awaitExit(child).then(() => {
+                assert.strictEqual(fs.readFileSync(tempFilePath).toString(), expectedFixedText);
+            });
+
+            return Promise.all([exitCodeAssertion, outputFileAssertion]);
+        });
+
+        it("has exit code 0, fixes errors in a file, and does not report or fix warnings if --quiet and --fix are used", () => {
+            const child = runESLint(["--fix", "--quiet", "--no-eslintrc", "--no-ignore", tempFilePath]);
+            const exitCodeAssertion = assertExitCode(child, 0);
+            const stdoutAssertion = getOutput(child).then(output => assert.strictEqual(output.stdout, ""));
+            const outputFileAssertion = awaitExit(child).then(() => {
+                assert.strictEqual(fs.readFileSync(tempFilePath).toString(), expectedFixedTextQuiet);
+            });
+
+            return Promise.all([exitCodeAssertion, stdoutAssertion, outputFileAssertion]);
+        });
+
+        it("has exit code 1 and fixes a file if not all rules can be fixed", () => {
+            const child = runESLint(["--fix", "--no-eslintrc", "--no-ignore", "--rule", "max-len: [2, 10]", tempFilePath]);
+            const exitCodeAssertion = assertExitCode(child, 1);
+            const outputFileAssertion = awaitExit(child).then(() => {
+                assert.strictEqual(fs.readFileSync(tempFilePath).toString(), expectedFixedText);
+            });
+
+            return Promise.all([exitCodeAssertion, outputFileAssertion]);
+        });
+
+        afterEach(() => {
+            fs.unlinkSync(tempFilePath);
+        });
+    });
+
+    describe("cache files", () => {
+        const CACHE_PATH = ".temp-eslintcache";
+        const SOURCE_PATH = "tests/fixtures/cache/src/test-file.js";
+        const ARGS_WITHOUT_CACHE = ["--no-eslintrc", "--no-ignore", SOURCE_PATH, "--cache-location", CACHE_PATH];
+        const ARGS_WITH_CACHE = ARGS_WITHOUT_CACHE.concat("--cache");
+
+        describe("when no cache file exists", () => {
+            it("creates a cache file when the --cache flag is used", () => {
+                const child = runESLint(ARGS_WITH_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    assert.isTrue(fs.existsSync(CACHE_PATH), "Cache file should exist at the given location");
+
+                    // Cache file should contain valid JSON
+                    JSON.parse(fs.readFileSync(CACHE_PATH, "utf8"));
+                });
+            });
+        });
+
+        describe("when a valid cache file already exists", () => {
+            beforeEach(() => {
+                const child = runESLint(ARGS_WITH_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    assert.isTrue(fs.existsSync(CACHE_PATH), "Cache file should exist at the given location");
+                });
+            });
+            it("can lint with an existing cache file and the --cache flag", () => {
+                const child = runESLint(ARGS_WITH_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+
+                    // Note: This doesn't actually verify that the cache file is used for anything.
+                    assert.isTrue(fs.existsSync(CACHE_PATH), "Cache file should still exist after linting with --cache");
+                });
+            });
+            it("updates the cache file when the source file is modified", () => {
+                const initialCacheContent = fs.readFileSync(CACHE_PATH, "utf8");
+
+                // Update the file to change its mtime
+                fs.writeFileSync(SOURCE_PATH, fs.readFileSync(SOURCE_PATH, "utf8"));
+
+                const child = runESLint(ARGS_WITH_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    const newCacheContent = fs.readFileSync(CACHE_PATH, "utf8");
+
+                    assert.notStrictEqual(initialCacheContent, newCacheContent, "Cache file should change after source is modified");
+                });
+            });
+            it("deletes the cache file when run without the --cache argument", () => {
+                const child = runESLint(ARGS_WITHOUT_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    assert.isFalse(fs.existsSync(CACHE_PATH), "Cache file should be deleted after running ESLint without the --cache argument");
+                });
+            });
+        });
+
+        // https://github.com/eslint/eslint/issues/7748
+        describe("when an invalid cache file already exists", () => {
+            beforeEach(() => {
+                fs.writeFileSync(CACHE_PATH, "This is not valid JSON.");
+
+                // Sanity check
+                assert.throws(
+                    () => JSON.parse(fs.readFileSync(CACHE_PATH, "utf8")),
+                    SyntaxError,
+                    /Unexpected token/u,
+                    "Cache file should not contain valid JSON at the start"
+                );
+            });
+
+            it("overwrites the invalid cache file with a valid one when the --cache argument is used", () => {
+                const child = runESLint(ARGS_WITH_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    assert.isTrue(fs.existsSync(CACHE_PATH), "Cache file should exist at the given location");
+
+                    // Cache file should contain valid JSON
+                    JSON.parse(fs.readFileSync(CACHE_PATH, "utf8"));
+                });
+            });
+
+            it("deletes the invalid cache file when the --cache argument is not used", () => {
+                const child = runESLint(ARGS_WITHOUT_CACHE);
+
+                return assertExitCode(child, 0).then(() => {
+                    assert.isFalse(fs.existsSync(CACHE_PATH), "Cache file should be deleted after running ESLint without the --cache argument");
+                });
+            });
+        });
+
+        afterEach(() => {
+            if (fs.existsSync(CACHE_PATH)) {
+                fs.unlinkSync(CACHE_PATH);
+            }
+        });
+    });
+
+    describe("handling crashes", () => {
+        it("prints the error message to stderr in the event of a crash", () => {
+            const child = runESLint(["--rule=no-restricted-syntax:[error, 'Invalid Selector [[[']", "Makefile.js"]);
+            const exitCodeAssertion = assertExitCode(child, 2);
+            const outputAssertion = getOutput(child).then(output => {
+                const expectedSubstring = "Syntax error in selector";
+
+                assert.strictEqual(output.stdout, "");
+                assert.include(output.stderr, expectedSubstring);
+            });
+
+            return Promise.all([exitCodeAssertion, outputAssertion]);
+        });
+
+        it("prints the error message exactly once to stderr in the event of a crash", () => {
+            const child = runESLint(["--rule=no-restricted-syntax:[error, 'Invalid Selector [[[']", "Makefile.js"]);
+            const exitCodeAssertion = assertExitCode(child, 2);
+            const outputAssertion = getOutput(child).then(output => {
+                const expectedSubstring = "Syntax error in selector";
+
+                assert.strictEqual(output.stdout, "");
+                assert.include(output.stderr, expectedSubstring);
+
+                // The message should appear exactly once in stderr
+                assert.strictEqual(output.stderr.indexOf(expectedSubstring), output.stderr.lastIndexOf(expectedSubstring));
+            });
+
+            return Promise.all([exitCodeAssertion, outputAssertion]);
+        });
+
+        it("prints the error message pointing to line of code", () => {
+            const invalidConfig = `${__dirname}/../fixtures/bin/.eslintrc.yml`;
+            const child = runESLint(["--no-ignore", invalidConfig]);
+            const exitCodeAssertion = assertExitCode(child, 2);
+            const outputAssertion = getOutput(child).then(output => {
+                const expectedSubstring = ": bad indentation of a mapping entry at line";
+
+                assert.strictEqual(output.stdout, "");
+                assert.include(output.stderr, expectedSubstring);
+            });
+
+            return Promise.all([exitCodeAssertion, outputAssertion]);
+        });
+    });
+
+
+    describe("emitting a warning for ecmaFeatures", () => {
+        it("does not emit a warning when it does not find an ecmaFeatures option", () => {
+            const child = runESLint(["Makefile.js"]);
+
+            const exitCodePromise = assertExitCode(child, 0);
+            const outputPromise = getOutput(child).then(output => assert.strictEqual(output.stderr, ""));
+
+            return Promise.all([exitCodePromise, outputPromise]);
+        });
+        it("emits a warning when it finds an ecmaFeatures option", () => {
+            const child = runESLint(["-c", "tests/fixtures/config-file/ecma-features/.eslintrc.yml", "Makefile.js"]);
+
+            const exitCodePromise = assertExitCode(child, 0);
+            const outputPromise = getOutput(child).then(output => {
+                assert.include(output.stderr, "The 'ecmaFeatures' config file property is deprecated and has no effect.");
+            });
+
+            return Promise.all([exitCodePromise, outputPromise]);
+        });
+    });
+
+    afterEach(() => {
+
+        // Clean up all the processes after every test.
+        forkedProcesses.forEach(child => child.kill());
+        forkedProcesses.clear();
+    });
+});
diff --git a/eslint/tests/conf/config-schema.js b/eslint/tests/conf/config-schema.js
new file mode 100644
index 0000000..0725ee7
--- /dev/null
+++ b/eslint/tests/conf/config-schema.js
@@ -0,0 +1,27 @@
+/**
+ * @fileoverview Tests for config-schema.
+ * @author Evgeny Poberezkin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const configSchema = require("../../conf/config-schema.js"),
+    assert = require("assert");
+
+const ajv = require("../../lib/shared/ajv")();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("config-schema", () => {
+    it("should be valid against meta-schema", () => {
+        const valid = ajv.validateSchema(configSchema);
+
+        assert.strictEqual(valid, true);
+    });
+});
diff --git a/eslint/tests/fixtures/.eslintignore b/eslint/tests/fixtures/.eslintignore
new file mode 100644
index 0000000..eba82a5
--- /dev/null
+++ b/eslint/tests/fixtures/.eslintignore
@@ -0,0 +1,2 @@
+*.json
+*.js
diff --git a/eslint/tests/fixtures/.eslintignore2 b/eslint/tests/fixtures/.eslintignore2
new file mode 100644
index 0000000..18eeef2
--- /dev/null
+++ b/eslint/tests/fixtures/.eslintignore2
@@ -0,0 +1,3 @@
+undef.js
+./undef2.js
+undef3.js
diff --git a/eslint/tests/fixtures/.eslintignore_twoGlobstar b/eslint/tests/fixtures/.eslintignore_twoGlobstar
new file mode 100644
index 0000000..b1fb1f1
--- /dev/null
+++ b/eslint/tests/fixtures/.eslintignore_twoGlobstar
@@ -0,0 +1,2 @@
+**/*.json
+**/*.js
diff --git a/eslint/tests/fixtures/.eslintrc b/eslint/tests/fixtures/.eslintrc
new file mode 100644
index 0000000..6393aad
--- /dev/null
+++ b/eslint/tests/fixtures/.eslintrc
@@ -0,0 +1,2 @@
+rules:
+    strict: 0
diff --git a/eslint/tests/fixtures/autoconfig/source-with-comments.js b/eslint/tests/fixtures/autoconfig/source-with-comments.js
new file mode 100644
index 0000000..d2e3bf9
--- /dev/null
+++ b/eslint/tests/fixtures/autoconfig/source-with-comments.js
@@ -0,0 +1,6 @@
+/* eslint semi: [2, "never"] */
+/* eslint import/extensions: 2 */
+
+var foo = 42;
+var baz = "baz";
+var bar = '"no-escape"';
diff --git a/eslint/tests/fixtures/autoconfig/source.js b/eslint/tests/fixtures/autoconfig/source.js
new file mode 100644
index 0000000..0c126ba
--- /dev/null
+++ b/eslint/tests/fixtures/autoconfig/source.js
@@ -0,0 +1,3 @@
+var foo = 42;
+var baz = "baz";
+var bar = '"no-escape"';
diff --git a/eslint/tests/fixtures/autofix-integration/left-pad-expected-quiet.js b/eslint/tests/fixtures/autofix-integration/left-pad-expected-quiet.js
new file mode 100644
index 0000000..b189698
--- /dev/null
+++ b/eslint/tests/fixtures/autofix-integration/left-pad-expected-quiet.js
@@ -0,0 +1,33 @@
+/* eslint dot-notation: 2 */
+/* eslint indent: [2, 2] */
+/* eslint no-extra-parens: 2 */
+/* eslint no-implicit-coercion: 2 */
+/* eslint no-whitespace-before-property: 2 */
+/* eslint quotes: [2, "single"] */
+/* eslint semi: 2 */
+/* eslint semi-spacing: 2 */
+/* eslint space-before-function-paren: 2 */
+/* eslint space-before-blocks: 1 */
+
+/*
+* left-pad@0.0.3
+* WTFPL https://github.com/stevemao/left-pad/blob/aff6d744155a70b81f09effb8185a1564f348462/COPYING
+*/
+
+module.exports = leftpad;
+
+function leftpad (str, len, ch){
+  str = String(str);
+
+  var i = -1;
+
+  ch || (ch = ' ');
+  len = len - str.length;
+
+
+  while (++i < len) {
+    str = ch + str;
+  }
+
+  return str;
+}
diff --git a/eslint/tests/fixtures/autofix-integration/left-pad-expected.js b/eslint/tests/fixtures/autofix-integration/left-pad-expected.js
new file mode 100644
index 0000000..24da3ce
--- /dev/null
+++ b/eslint/tests/fixtures/autofix-integration/left-pad-expected.js
@@ -0,0 +1,33 @@
+/* eslint dot-notation: 2 */
+/* eslint indent: [2, 2] */
+/* eslint no-extra-parens: 2 */
+/* eslint no-implicit-coercion: 2 */
+/* eslint no-whitespace-before-property: 2 */
+/* eslint quotes: [2, "single"] */
+/* eslint semi: 2 */
+/* eslint semi-spacing: 2 */
+/* eslint space-before-function-paren: 2 */
+/* eslint space-before-blocks: 1 */
+
+/*
+* left-pad@0.0.3
+* WTFPL https://github.com/stevemao/left-pad/blob/aff6d744155a70b81f09effb8185a1564f348462/COPYING
+*/
+
+module.exports = leftpad;
+
+function leftpad (str, len, ch) {
+  str = String(str);
+
+  var i = -1;
+
+  ch || (ch = ' ');
+  len = len - str.length;
+
+
+  while (++i < len) {
+    str = ch + str;
+  }
+
+  return str;
+}
diff --git a/eslint/tests/fixtures/autofix-integration/left-pad.js b/eslint/tests/fixtures/autofix-integration/left-pad.js
new file mode 100644
index 0000000..7b67357
--- /dev/null
+++ b/eslint/tests/fixtures/autofix-integration/left-pad.js
@@ -0,0 +1,33 @@
+/* eslint dot-notation: 2 */
+/* eslint indent: [2, 2] */
+/* eslint no-extra-parens: 2 */
+/* eslint no-implicit-coercion: 2 */
+/* eslint no-whitespace-before-property: 2 */
+/* eslint quotes: [2, "single"] */
+/* eslint semi: 2 */
+/* eslint semi-spacing: 2 */
+/* eslint space-before-function-paren: 2 */
+/* eslint space-before-blocks: 1 */
+
+/*
+* left-pad@0.0.3
+* WTFPL https://github.com/stevemao/left-pad/blob/aff6d744155a70b81f09effb8185a1564f348462/COPYING
+*/
+
+module.exports = (leftpad)
+
+   function leftpad(str, len, ch){
+  str = ("" + str);
+
+         var i = -1 ;
+
+  ch || (ch = " ");
+  len = (len - str  [  "length"])
+
+
+                   while (++i < len) {
+                  str = ch + str;
+						}
+
+  return str;
+}
diff --git a/eslint/tests/fixtures/autofix/return-conflicting-fixes.expected.js b/eslint/tests/fixtures/autofix/return-conflicting-fixes.expected.js
new file mode 100644
index 0000000..0d1a5b4
--- /dev/null
+++ b/eslint/tests/fixtures/autofix/return-conflicting-fixes.expected.js
@@ -0,0 +1,10 @@
+/* eslint no-else-return: "error" */
+/* eslint no-useless-return: "error" */
+/* eslint no-trailing-spaces: "error" */
+function f() {
+    if (true) {
+
+    } else {
+        return 1;
+    }
+}
diff --git a/eslint/tests/fixtures/autofix/return-conflicting-fixes.js b/eslint/tests/fixtures/autofix/return-conflicting-fixes.js
new file mode 100644
index 0000000..486bf2c
--- /dev/null
+++ b/eslint/tests/fixtures/autofix/return-conflicting-fixes.js
@@ -0,0 +1,10 @@
+/* eslint no-else-return: "error" */
+/* eslint no-useless-return: "error" */
+/* eslint no-trailing-spaces: "error" */
+function f() {
+    if (true) {
+        return;
+    } else {
+        return 1;
+    }
+}
diff --git a/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.expected.js b/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.expected.js
new file mode 100644
index 0000000..9c051be
--- /dev/null
+++ b/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.expected.js
@@ -0,0 +1,4 @@
+/* eslint semi: ["error", "never"] */
+/* eslint no-extra-semi: "error" */
+var foo = function(){}
+;[1].map(foo)
diff --git a/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.js b/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.js
new file mode 100644
index 0000000..1783291
--- /dev/null
+++ b/eslint/tests/fixtures/autofix/semicolon-conflicting-fixes.js
@@ -0,0 +1,4 @@
+/* eslint semi: ["error", "never"] */
+/* eslint no-extra-semi: "error" */
+var foo = function(){};
+;[1].map(foo)
diff --git a/eslint/tests/fixtures/bin/.eslintrc.yml b/eslint/tests/fixtures/bin/.eslintrc.yml
new file mode 100644
index 0000000..e1a07bb
--- /dev/null
+++ b/eslint/tests/fixtures/bin/.eslintrc.yml
@@ -0,0 +1,5 @@
+# intentionally invalid YML
+rules:
+  semi: error
+yoda: error
+  quotes: error
diff --git a/eslint/tests/fixtures/cache/src/fail-file.js b/eslint/tests/fixtures/cache/src/fail-file.js
new file mode 100644
index 0000000..c9e9543
--- /dev/null
+++ b/eslint/tests/fixtures/cache/src/fail-file.js
@@ -0,0 +1,2 @@
+var abc = 'some value'
+console.log(foo);
diff --git a/eslint/tests/fixtures/cache/src/file-to-delete.js b/eslint/tests/fixtures/cache/src/file-to-delete.js
new file mode 100644
index 0000000..6e0ad52
--- /dev/null
+++ b/eslint/tests/fixtures/cache/src/file-to-delete.js
@@ -0,0 +1,3 @@
+var abc = 3;
+
+console.log(abc);
diff --git a/eslint/tests/fixtures/cache/src/test-file.js b/eslint/tests/fixtures/cache/src/test-file.js
new file mode 100644
index 0000000..0bf2587
--- /dev/null
+++ b/eslint/tests/fixtures/cache/src/test-file.js
@@ -0,0 +1,3 @@
+var abc = 2;
+
+console.log(abc);
diff --git a/eslint/tests/fixtures/cache/src/test-file2.js b/eslint/tests/fixtures/cache/src/test-file2.js
new file mode 100644
index 0000000..0bf2587
--- /dev/null
+++ b/eslint/tests/fixtures/cache/src/test-file2.js
@@ -0,0 +1,3 @@
+var abc = 2;
+
+console.log(abc);
diff --git a/eslint/tests/fixtures/cli-engine/.eslintignore2 b/eslint/tests/fixtures/cli-engine/.eslintignore2
new file mode 100644
index 0000000..67fc140
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/.eslintignore2
@@ -0,0 +1 @@
+fixtures/
diff --git a/eslint/tests/fixtures/cli-engine/console.js b/eslint/tests/fixtures/cli-engine/console.js
new file mode 100644
index 0000000..d914c60
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/console.js
@@ -0,0 +1 @@
+console.log("hi");
diff --git a/eslint/tests/fixtures/cli-engine/deprecated-rule-config/.eslintrc.yml b/eslint/tests/fixtures/cli-engine/deprecated-rule-config/.eslintrc.yml
new file mode 100644
index 0000000..e4ea290
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/deprecated-rule-config/.eslintrc.yml
@@ -0,0 +1,2 @@
+rules:
+  indent-legacy: error
diff --git a/eslint/tests/fixtures/cli-engine/empty/.keep b/eslint/tests/fixtures/cli-engine/empty/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/cli-engine/hidden/.hiddenfolder/double-quotes.js b/eslint/tests/fixtures/cli-engine/hidden/.hiddenfolder/double-quotes.js
new file mode 100644
index 0000000..96b0760
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/hidden/.hiddenfolder/double-quotes.js
@@ -0,0 +1,2 @@
+var bar = "<div>Hello world!</div>";
+bar(bar);
diff --git a/eslint/tests/fixtures/cli-engine/nested_node_modules/.eslintignore b/eslint/tests/fixtures/cli-engine/nested_node_modules/.eslintignore
new file mode 100644
index 0000000..c2658d7
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/nested_node_modules/.eslintignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/eslint/tests/fixtures/cli-engine/nested_node_modules/passing.js b/eslint/tests/fixtures/cli-engine/nested_node_modules/passing.js
new file mode 100644
index 0000000..d914c60
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/nested_node_modules/passing.js
@@ -0,0 +1 @@
+console.log("hi");
diff --git a/eslint/tests/fixtures/cli-engine/nested_node_modules/subdir/node_modules/text.js b/eslint/tests/fixtures/cli-engine/nested_node_modules/subdir/node_modules/text.js
new file mode 100644
index 0000000..0bdcffc
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/nested_node_modules/subdir/node_modules/text.js
@@ -0,0 +1 @@
+'text';
diff --git a/eslint/tests/fixtures/cli-engine/node_modules/foo.js b/eslint/tests/fixtures/cli-engine/node_modules/foo.js
new file mode 100644
index 0000000..8ed5b7f
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/node_modules/foo.js
@@ -0,0 +1,3 @@
+/* eslint semi: 2 */
+
+var foo = 42;
diff --git a/eslint/tests/fixtures/cli-engine/overrides-with-dot/.eslintrc.yml b/eslint/tests/fixtures/cli-engine/overrides-with-dot/.eslintrc.yml
new file mode 100644
index 0000000..5acdae3
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/overrides-with-dot/.eslintrc.yml
@@ -0,0 +1,6 @@
+root: true
+
+overrides:
+  - files: "*.js"
+    rules:
+      no-unused-vars: error
diff --git a/eslint/tests/fixtures/cli-engine/overrides-with-dot/.test-target.js b/eslint/tests/fixtures/cli-engine/overrides-with-dot/.test-target.js
new file mode 100644
index 0000000..ac09549
--- /dev/null
+++ b/eslint/tests/fixtures/cli-engine/overrides-with-dot/.test-target.js
@@ -0,0 +1 @@
+var a = 0
diff --git a/eslint/tests/fixtures/cli/.eslintignore_foo b/eslint/tests/fixtures/cli/.eslintignore_foo
new file mode 100644
index 0000000..63a8b4f
--- /dev/null
+++ b/eslint/tests/fixtures/cli/.eslintignore_foo
@@ -0,0 +1 @@
+foo/*
diff --git a/eslint/tests/fixtures/cli/foo/.bar/passing.js b/eslint/tests/fixtures/cli/foo/.bar/passing.js
new file mode 100644
index 0000000..6555303
--- /dev/null
+++ b/eslint/tests/fixtures/cli/foo/.bar/passing.js
@@ -0,0 +1,4 @@
+var foo = "bar";
+if (foo) {
+    foo = "bar2";
+}
diff --git a/eslint/tests/fixtures/cli/passing.js b/eslint/tests/fixtures/cli/passing.js
new file mode 100644
index 0000000..6555303
--- /dev/null
+++ b/eslint/tests/fixtures/cli/passing.js
@@ -0,0 +1,4 @@
+var foo = "bar";
+if (foo) {
+    foo = "bar2";
+}
diff --git a/eslint/tests/fixtures/cli/syntax-error.js b/eslint/tests/fixtures/cli/syntax-error.js
new file mode 100644
index 0000000..5c21341
--- /dev/null
+++ b/eslint/tests/fixtures/cli/syntax-error.js
@@ -0,0 +1 @@
+{}}
diff --git a/eslint/tests/fixtures/code-path-analysis/block-and-break-1.js b/eslint/tests/fixtures/code-path-analysis/block-and-break-1.js
new file mode 100644
index 0000000..edc5565
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/block-and-break-1.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+s1_1->s1_4;
+s1_2->s1_5->final;
+*/
+
+A: {
+    if (a) {
+        break A;
+    }
+    foo();
+}
+
+bar();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_2[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+    s1_1->s1_4;
+    s1_2->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/block-and-break-2.js b/eslint/tests/fixtures/code-path-analysis/block-and-break-2.js
new file mode 100644
index 0000000..6fe9014
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/block-and-break-2.js
@@ -0,0 +1,46 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9;
+s1_1->s1_4;
+s1_2->s1_9;
+s1_4->s1_7;
+s1_5->s1_8;
+s1_9->final;
+*/
+
+A: {
+    B: {
+        if (a) {
+            break A;
+        }
+        if (b) {
+            break B;
+        }
+        foo();
+    }
+    bar();
+}
+
+baz();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nBlockStatement\nLabeledStatement\nIdentifier (B)\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_2[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_4[label="IfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_8[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (baz)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9;
+    s1_1->s1_4;
+    s1_2->s1_9;
+    s1_4->s1_7;
+    s1_5->s1_8;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/block-and-break-3.js b/eslint/tests/fixtures/code-path-analysis/block-and-break-3.js
new file mode 100644
index 0000000..efdd61e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/block-and-break-3.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3;
+s1_1->s1_3->final;
+*/
+
+A: {
+    break A;
+}
+
+bar();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nBlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_2[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_3[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3;
+    s1_1->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/block-and-break-4.js b/eslint/tests/fixtures/code-path-analysis/block-and-break-4.js
new file mode 100644
index 0000000..b997c15
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/block-and-break-4.js
@@ -0,0 +1,16 @@
+/*expected
+initial->s1_1->final;
+*/
+
+A: foo();
+bar();
+
+/*DOT
+digraph {
+node[shape=box,style="rounded,filled",fillcolor=white];
+initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nExpressionStatement\nCallExpression\nIdentifier (foo)\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/default-params--nest.js b/eslint/tests/fixtures/code-path-analysis/default-params--nest.js
new file mode 100644
index 0000000..8bff81a
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/default-params--nest.js
@@ -0,0 +1,32 @@
+/*expected
+initial->s2_1->s2_2->s2_3->s2_4->s2_5;
+s2_1->s2_3->s2_5->final;
+*/
+/*expected
+initial->s1_1->final;
+*/
+function foo({a: {b = 0} = {}}) {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionDeclaration\nIdentifier (foo)\nObjectPattern\nProperty\nIdentifier (a)\nAssignmentPattern\nObjectPattern\nProperty\nIdentifier (b)\nAssignmentPattern\nIdentifier (b)"];
+    s2_2[label="Literal (0)"];
+    s2_3[label="AssignmentPattern:exit\nProperty:exit\nObjectPattern:exit"];
+    s2_4[label="ObjectExpression"];
+    s2_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s2_1->s2_2->s2_3->s2_4->s2_5;
+    s2_1->s2_3->s2_5->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nFunctionDeclaration\nEmptyStatement"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/default-params--simple.js b/eslint/tests/fixtures/code-path-analysis/default-params--simple.js
new file mode 100644
index 0000000..5173235
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/default-params--simple.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s2_1->s2_2->s2_3;
+s2_1->s2_3->final;
+*/
+/*expected
+initial->s1_1->final;
+*/
+function foo(a = 0) {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionDeclaration\nIdentifier (foo)\nAssignmentPattern\nIdentifier (a)"];
+    s2_2[label="Literal (0)"];
+    s2_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s2_1->s2_2->s2_3;
+    s2_1->s2_3->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nFunctionDeclaration\nEmptyStatement"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--break-always.js b/eslint/tests/fixtures/code-path-analysis/do-while--break-always.js
new file mode 100644
index 0000000..4b80053
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--break-always.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_4;
+s1_3->s1_4->final;
+*/
+do {
+    foo();
+    break;
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nIdentifier (a)"];
+    s1_4[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_4;
+    s1_3->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--break-label.js b/eslint/tests/fixtures/code-path-analysis/do-while--break-label.js
new file mode 100644
index 0000000..6aeeb65
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--break-label.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_3->s1_6;
+s1_4->s1_11;
+s1_6->s1_9;
+s1_7->s1_10->s1_2;
+s1_9->s1_10->s1_11->final;
+*/
+A: do {
+    B: do {
+        if (c) {
+            break A;
+        }
+        if (d) {
+            break B;
+        }
+        foo();
+    } while (b);
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nDoWhileStatement"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_4[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="IfStatement\nIdentifier (d)"];
+    s1_7[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (b)"];
+    s1_11[label="DoWhileStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_10[label="Identifier (a)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_3->s1_6;
+    s1_4->s1_11;
+    s1_6->s1_9;
+    s1_7->s1_10->s1_2;
+    s1_9->s1_10->s1_11->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--break-nest.js b/eslint/tests/fixtures/code-path-analysis/do-while--break-nest.js
new file mode 100644
index 0000000..8bd3c36
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--break-nest.js
@@ -0,0 +1,32 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_3->s1_6;
+s1_4->s1_7->s1_2;
+s1_6->s1_7->s1_8->final;
+*/
+do {
+    do {
+        if (c) {
+            break;
+        }
+        foo();
+    } while (b);
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nDoWhileStatement"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_4[label="BlockStatement\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (b)"];
+    s1_7[label="Identifier (a)"];
+    s1_8[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_3->s1_6;
+    s1_4->s1_7->s1_2;
+    s1_6->s1_7->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--break-simple.js b/eslint/tests/fixtures/code-path-analysis/do-while--break-simple.js
new file mode 100644
index 0000000..85f333b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--break-simple.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_5;
+s1_3->s1_6;
+s1_5->s1_6->final;
+*/
+do {
+    if (b) {
+        break;
+    }
+    foo();
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_3[label="BlockStatement\nBreakStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (a)"];
+    s1_6[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_5;
+    s1_3->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--continue-always.js b/eslint/tests/fixtures/code-path-analysis/do-while--continue-always.js
new file mode 100644
index 0000000..098624c
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--continue-always.js
@@ -0,0 +1,21 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4->s1_5->final;
+*/
+do {
+    foo();
+    continue;
+} while (a)
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nContinueStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_4[label="Identifier (a)"];
+    s1_5[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--continue-label.js b/eslint/tests/fixtures/code-path-analysis/do-while--continue-label.js
new file mode 100644
index 0000000..036a5ca
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--continue-label.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_3->s1_6;
+s1_4->s1_12->s1_2;
+s1_6->s1_9;
+s1_7->s1_10->s1_11->s1_12->s1_13->final;
+*/
+A: do {
+    B: do {
+        if (c) {
+            continue A;
+        }
+        if (d) {
+            continue B;
+        }
+        foo();
+    } while (b);
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nDoWhileStatement"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_4[label="BlockStatement\nContinueStatement\nIdentifier (A)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="IfStatement\nIdentifier (d)"];
+    s1_7[label="BlockStatement\nContinueStatement\nIdentifier (B)"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_10[label="Identifier (b)"];
+    s1_12[label="Identifier (a)"];
+    s1_11[label="DoWhileStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_13[label="DoWhileStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_3->s1_6;
+    s1_4->s1_12->s1_2;
+    s1_6->s1_9;
+    s1_7->s1_10->s1_11->s1_12->s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--continue-nest.js b/eslint/tests/fixtures/code-path-analysis/do-while--continue-nest.js
new file mode 100644
index 0000000..af41f1a
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--continue-nest.js
@@ -0,0 +1,33 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_3->s1_6;
+s1_4->s1_7->s1_8->s1_2;
+s1_8->s1_9->final;
+*/
+do {
+    do {
+        if (c) {
+            continue;
+        }
+        foo();
+    } while (b);
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nDoWhileStatement"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_4[label="BlockStatement\nContinueStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="Identifier (b)"];
+    s1_8[label="Identifier (a)"];
+    s1_9[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_3->s1_6;
+    s1_4->s1_7->s1_8->s1_2;
+    s1_8->s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--continue-simple.js b/eslint/tests/fixtures/code-path-analysis/do-while--continue-simple.js
new file mode 100644
index 0000000..ac704c9
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--continue-simple.js
@@ -0,0 +1,27 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_5;
+s1_3->s1_6->s1_7->final;
+*/
+do {
+    if (b) {
+        continue;
+    }
+    foo();
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_3[label="BlockStatement\nContinueStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="Identifier (a)"];
+    s1_7[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_5;
+    s1_3->s1_6->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--empty.js b/eslint/tests/fixtures/code-path-analysis/do-while--empty.js
new file mode 100644
index 0000000..e78e851
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--empty.js
@@ -0,0 +1,17 @@
+/*expected
+initial->s1_1->s1_2->s1_2->s1_3->final;
+*/
+do {
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nIdentifier (a)"];
+    s1_3[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_2->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/do-while--simple.js b/eslint/tests/fixtures/code-path-analysis/do-while--simple.js
new file mode 100644
index 0000000..399410e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/do-while--simple.js
@@ -0,0 +1,18 @@
+/*expected
+initial->s1_1->s1_2->s1_2->s1_3->final;
+*/
+do {
+    foo();
+} while (a);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (a)"];
+    s1_3[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_2->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-always.js b/eslint/tests/fixtures/code-path-analysis/for--break-always.js
new file mode 100644
index 0000000..5029f4d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-always.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_4->s1_2->s1_6;
+s1_3->s1_6->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    foo();
+    break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_6[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_4->s1_2->s1_6;
+    s1_3->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-label.js b/eslint/tests/fixtures/code-path-analysis/for--break-label.js
new file mode 100644
index 0000000..976eb64
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-label.js
@@ -0,0 +1,52 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_7->s1_5;
+s1_2->s1_15;
+s1_5->s1_14->s1_4->s1_2;
+s1_6->s1_10;
+s1_8->s1_15;
+s1_10->s1_13;
+s1_11->s1_14;
+s1_15->final;
+*/
+A: for (var i = 0; i < 10; ++i) {
+    B: for (var j = 0; j < 10; ++j) {
+        if (c) {
+            break A;
+        }
+        if (d) {
+            break B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (j)\nLiteral (0)"];
+    s1_5[label="BinaryExpression\nIdentifier (j)\nLiteral (10)"];
+    s1_6[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="UpdateExpression\nIdentifier (j)"];
+    s1_15[label="ForStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_7->s1_5;
+    s1_2->s1_15;
+    s1_5->s1_14->s1_4->s1_2;
+    s1_6->s1_10;
+    s1_8->s1_15;
+    s1_10->s1_13;
+    s1_11->s1_14;
+    s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-nest.js b/eslint/tests/fixtures/code-path-analysis/for--break-nest.js
new file mode 100644
index 0000000..1595a3b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-nest.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_9->s1_10->s1_7->s1_5;
+s1_2->s1_12;
+s1_5->s1_11->s1_4->s1_2;
+s1_6->s1_10;
+s1_8->s1_11;
+s1_12->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    for (var j = 0; j < 10; ++j) {
+        if (c) {
+            break;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (j)\nLiteral (0)"];
+    s1_5[label="BinaryExpression\nIdentifier (j)\nLiteral (10)"];
+    s1_6[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="UpdateExpression\nIdentifier (j)"];
+    s1_12[label="ForStatement:exit\nProgram:exit"];
+    s1_11[label="ForStatement:exit\nBlockStatement:exit"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_9->s1_10->s1_7->s1_5;
+    s1_2->s1_12;
+    s1_5->s1_11->s1_4->s1_2;
+    s1_6->s1_10;
+    s1_8->s1_11;
+    s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-test.js b/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-test.js
new file mode 100644
index 0000000..a1f453f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-test.js
@@ -0,0 +1,27 @@
+/*expected
+initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_2->s1_3->s1_6;
+s1_4->s1_7->final;
+*/
+for (var i = 0; ; ++i) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="UpdateExpression\nIdentifier (i)"];
+    s1_7[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_2->s1_3->s1_6;
+    s1_4->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-update.js b/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-update.js
new file mode 100644
index 0000000..91f0b36
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-simple-no-update.js
@@ -0,0 +1,29 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+s1_3->s1_6;
+s1_4->s1_7->final;
+*/
+for (var i = 0; i < 10;) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+    s1_3->s1_6;
+    s1_4->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--break-simple.js b/eslint/tests/fixtures/code-path-analysis/for--break-simple.js
new file mode 100644
index 0000000..296e61c
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--break-simple.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_4->s1_2->s1_8;
+s1_3->s1_7;
+s1_5->s1_8->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nBreakStatement"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_8[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_4->s1_2->s1_8;
+    s1_3->s1_7;
+    s1_5->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-always.js b/eslint/tests/fixtures/code-path-analysis/for--continue-always.js
new file mode 100644
index 0000000..36d581e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-always.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_6;
+s1_3->s1_5->s1_4;
+s1_6->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    foo();
+    continue;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nContinueStatement"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_6[label="ForStatement:exit\nProgram:exit"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_6;
+    s1_3->s1_5->s1_4;
+    s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-label.js b/eslint/tests/fixtures/code-path-analysis/for--continue-label.js
new file mode 100644
index 0000000..a2b0ad2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-label.js
@@ -0,0 +1,48 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_4->s1_2->s1_15;
+s1_5->s1_14->s1_4;
+s1_6->s1_10->s1_11->s1_7->s1_5;
+s1_8->s1_9->s1_10->s1_13->s1_7;
+s1_11->s1_12->s1_13;
+s1_15->final;
+*/
+A: for (var i = 0; i < 10; ++i) {
+    B: for (var i = 0; i < 10; ++i) {
+        if (c) {
+            continue A;
+        }
+        if (d) {
+            continue B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_5[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_6[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement\nIdentifier (A)"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_15[label="ForStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nContinueStatement\nIdentifier (B)"];
+    s1_7[label="UpdateExpression\nIdentifier (i)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_4->s1_2->s1_15;
+    s1_5->s1_14->s1_4;
+    s1_6->s1_10->s1_11->s1_7->s1_5;
+    s1_8->s1_9->s1_10->s1_13->s1_7;
+    s1_11->s1_12->s1_13;
+    s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-nest.js b/eslint/tests/fixtures/code-path-analysis/for--continue-nest.js
new file mode 100644
index 0000000..c2b4db0
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-nest.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_7->s1_5;
+s1_2->s1_12;
+s1_5->s1_11->s1_4->s1_2;
+s1_6->s1_10->s1_7;
+s1_8->s1_9->s1_10;
+s1_12->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    for (var i = 0; i < 10; ++i) {
+        if (c) {
+            continue;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_5[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_6[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement"];
+    s1_7[label="UpdateExpression\nIdentifier (i)"];
+    s1_12[label="ForStatement:exit\nProgram:exit"];
+    s1_11[label="ForStatement:exit\nBlockStatement:exit"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_8->s1_7->s1_5;
+    s1_2->s1_12;
+    s1_5->s1_11->s1_4->s1_2;
+    s1_6->s1_10->s1_7;
+    s1_8->s1_9->s1_10;
+    s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-test.js b/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-test.js
new file mode 100644
index 0000000..ed96e80
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-test.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_3->s1_4->s1_2->s1_3->s1_6->s1_2;
+s1_4->s1_5->s1_6->s1_7;
+*/
+for (var i = 0; ; ++i) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nContinueStatement"];
+    s1_2[label="UpdateExpression\nIdentifier (i)"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_4->s1_2->s1_3->s1_6->s1_2;
+    s1_4->s1_5->s1_6->s1_7;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-update.js b/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-update.js
new file mode 100644
index 0000000..f937749
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-simple-no-update.js
@@ -0,0 +1,31 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_7;
+s1_3->s1_6->s1_2;
+s1_4->s1_5->s1_6;
+s1_7->final;
+*/
+for (var i = 0; i < 10;) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nContinueStatement"];
+    s1_7[label="ForStatement:exit\nProgram:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_7;
+    s1_3->s1_6->s1_2;
+    s1_4->s1_5->s1_6;
+    s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--continue-simple.js b/eslint/tests/fixtures/code-path-analysis/for--continue-simple.js
new file mode 100644
index 0000000..182dc72
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--continue-simple.js
@@ -0,0 +1,32 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_4->s1_2->s1_8;
+s1_3->s1_7->s1_4;
+s1_5->s1_6->s1_7;
+s1_8->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nContinueStatement"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_8[label="ForStatement:exit\nProgram:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_4->s1_2->s1_8;
+    s1_3->s1_7->s1_4;
+    s1_5->s1_6->s1_7;
+    s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--direct-nest.js b/eslint/tests/fixtures/code-path-analysis/for--direct-nest.js
new file mode 100644
index 0000000..ee7d478
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--direct-nest.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_5;
+s1_2->s1_9;
+s1_5->s1_8->s1_4->s1_2;
+s1_9->final;
+*/
+for (var i = 0; i < 10; ++i)
+    for (var j = 0; j < 10; ++j)
+        foo
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)\nIdentifier:exit (i)\nLiteral:exit (0)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)\nIdentifier:exit (i)\nLiteral:exit (10)\nBinaryExpression:exit"];
+    s1_3[label="ForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (j)\nLiteral (0)\nIdentifier:exit (j)\nLiteral:exit (0)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_5[label="BinaryExpression\nIdentifier (j)\nLiteral (10)\nIdentifier:exit (j)\nLiteral:exit (10)\nBinaryExpression:exit"];
+    s1_6[label="ExpressionStatement\nIdentifier (foo)\nIdentifier:exit (foo)\nExpressionStatement:exit"];
+    s1_7[label="UpdateExpression\nIdentifier (j)\nIdentifier:exit (j)\nUpdateExpression:exit"];
+    s1_9[label="ForStatement:exit\nProgram:exit"];
+    s1_8[label="ForStatement:exit"];
+    s1_4[label="UpdateExpression\nIdentifier (i)\nIdentifier:exit (i)\nUpdateExpression:exit"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_5;
+    s1_2->s1_9;
+    s1_5->s1_8->s1_4->s1_2;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--empty.js b/eslint/tests/fixtures/code-path-analysis/for--empty.js
new file mode 100644
index 0000000..2b352de
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--empty.js
@@ -0,0 +1,16 @@
+/*expected
+initial->s1_1->s1_2->s1_2->s1_3;
+*/
+for (;;) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement"];
+    s1_2[label="BlockStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_2->s1_3;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--simple-fork-in-test-update.js b/eslint/tests/fixtures/code-path-analysis/for--simple-fork-in-test-update.js
new file mode 100644
index 0000000..3cc1fe2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--simple-fork-in-test-update.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_8->s1_10->s1_2->s1_4->s1_5->s1_11;
+s1_7->s1_9->s1_10;
+s1_11->final;
+*/
+for (var i = 0; i < 10 ? true : false; ++i ? 1 : 2) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="ConditionalExpression\nBinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="Literal (true)"];
+    s1_5[label="ConditionalExpression:exit"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="ConditionalExpression\nUpdateExpression\nIdentifier (i)"];
+    s1_8[label="Literal (1)"];
+    s1_10[label="ConditionalExpression:exit"];
+    s1_4[label="Literal (false)"];
+    s1_11[label="ForStatement:exit\nProgram:exit"];
+    s1_9[label="Literal (2)"];
+    initial->s1_1->s1_2->s1_3->s1_5->s1_6->s1_7->s1_8->s1_10->s1_2->s1_4->s1_5->s1_11;
+    s1_7->s1_9->s1_10;
+    s1_11->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--simple-no-test.js b/eslint/tests/fixtures/code-path-analysis/for--simple-no-test.js
new file mode 100644
index 0000000..8425bc7
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--simple-no-test.js
@@ -0,0 +1,18 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_3->s1_4;
+*/
+for (var i = 0; ; ++i) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="UpdateExpression\nIdentifier (i)"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_3->s1_4;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--simple-no-update.js b/eslint/tests/fixtures/code-path-analysis/for--simple-no-update.js
new file mode 100644
index 0000000..3ec03b8
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--simple-no-update.js
@@ -0,0 +1,19 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+*/
+for (var i = 0; i < 10;) {
+    ++i;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nUpdateExpression\nIdentifier (i)"];
+    s1_4[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--simple-test-true.js b/eslint/tests/fixtures/code-path-analysis/for--simple-test-true.js
new file mode 100644
index 0000000..63bf31b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--simple-test-true.js
@@ -0,0 +1,21 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2;
+s1_3->s1_5;
+*/
+for (var i = 0; true; ++i) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="Literal (true)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2;
+    s1_3->s1_5;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for--simple.js b/eslint/tests/fixtures/code-path-analysis/for--simple.js
new file mode 100644
index 0000000..366a704
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for--simple.js
@@ -0,0 +1,20 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5->final;
+*/
+for (var i = 0; i < 10; ++i) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="UpdateExpression\nIdentifier (i)"];
+    s1_5[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--break-always.js b/eslint/tests/fixtures/code-path-analysis/for-in--break-always.js
new file mode 100644
index 0000000..5d1fe18
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--break-always.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_5->s1_6->final;
+*/
+for (var a in [0]) {
+    foo();
+    break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--break-label.js b/eslint/tests/fixtures/code-path-analysis/for-in--break-label.js
new file mode 100644
index 0000000..9f8fbca
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--break-label.js
@@ -0,0 +1,52 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_5;
+s1_3->s1_15;
+s1_6->s1_14->s1_2;
+s1_7->s1_10;
+s1_8->s1_15;
+s1_10->s1_13;
+s1_11->s1_14;
+s1_13->s1_14->s1_15->final;
+*/
+A: for (var a in [0]) {
+    B: for (var b in [1]) {
+        if (c) {
+            break A;
+        }
+        if (d) {
+            break B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_15[label="ForInStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForInStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_5;
+    s1_3->s1_15;
+    s1_6->s1_14->s1_2;
+    s1_7->s1_10;
+    s1_8->s1_15;
+    s1_10->s1_13;
+    s1_11->s1_14;
+    s1_13->s1_14->s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--break-nest.js b/eslint/tests/fixtures/code-path-analysis/for-in--break-nest.js
new file mode 100644
index 0000000..5002be5
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--break-nest.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_5;
+s1_3->s1_12;
+s1_6->s1_11->s1_2;
+s1_7->s1_10;
+s1_8->s1_11;
+s1_10->s1_11->s1_12->final;
+*/
+for (var a in [0]) {
+    for (var b in [1]) {
+        if (c) {
+            break;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[label="ForInStatement:exit\nProgram:exit"];
+    s1_11[label="ForInStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_5;
+    s1_3->s1_12;
+    s1_6->s1_11->s1_2;
+    s1_7->s1_10;
+    s1_8->s1_11;
+    s1_10->s1_11->s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--break-simple.js b/eslint/tests/fixtures/code-path-analysis/for-in--break-simple.js
new file mode 100644
index 0000000..b4e62cc
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--break-simple.js
@@ -0,0 +1,34 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_6->s1_7->s1_2;
+s1_3->s1_8;
+s1_4->s1_7;
+s1_5->s1_8;
+s1_7->s1_8->final;
+*/
+for (var a in [0]) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nBreakStatement"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_8[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_6->s1_7->s1_2;
+    s1_3->s1_8;
+    s1_4->s1_7;
+    s1_5->s1_8;
+    s1_7->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--continue-always.js b/eslint/tests/fixtures/code-path-analysis/for-in--continue-always.js
new file mode 100644
index 0000000..e4979c2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--continue-always.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_6;
+s1_4->s1_5->s1_2;
+s1_4->s1_6;
+s1_5->s1_6->final;
+*/
+for (var a in [0]) {
+    foo();
+    continue;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nContinueStatement"];
+    s1_6[label="ForInStatement:exit\nProgram:exit"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_6;
+    s1_4->s1_5->s1_2;
+    s1_4->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--continue-label.js b/eslint/tests/fixtures/code-path-analysis/for-in--continue-label.js
new file mode 100644
index 0000000..74d7e95
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--continue-label.js
@@ -0,0 +1,60 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_2;
+s1_3->s1_15;
+s1_6->s1_14->s1_2;
+s1_7->s1_10->s1_11->s1_5;
+s1_8->s1_9->s1_10;
+s1_14->s1_15;
+s1_10->s1_13->s1_5;
+s1_11->s1_12->s1_13;
+s1_8->s1_15;
+s1_13->s1_14;
+s1_11->s1_14;
+s1_15->final;
+*/
+A: for (var a in [0]) {
+    B: for (var b in [1]) {
+        if (c) {
+            continue A;
+        }
+        if (d) {
+            continue B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement\nIdentifier (A)"];
+    s1_15[label="ForInStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForInStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nContinueStatement\nIdentifier (B)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_2;
+    s1_3->s1_15;
+    s1_6->s1_14->s1_2;
+    s1_7->s1_10->s1_11->s1_5;
+    s1_8->s1_9->s1_10;
+    s1_14->s1_15;
+    s1_10->s1_13->s1_5;
+    s1_11->s1_12->s1_13;
+    s1_8->s1_15;
+    s1_13->s1_14;
+    s1_11->s1_14;
+    s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--continue-nest.js b/eslint/tests/fixtures/code-path-analysis/for-in--continue-nest.js
new file mode 100644
index 0000000..deb47ca
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--continue-nest.js
@@ -0,0 +1,48 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_5;
+s1_3->s1_12;
+s1_6->s1_11->s1_2;
+s1_7->s1_10->s1_5;
+s1_8->s1_9->s1_10;
+s1_11->s1_12;
+s1_10->s1_11;
+s1_8->s1_11;
+s1_12->final;
+*/
+for (var a in [0]) {
+    for (var b in [1]) {
+        if (c) {
+            continue;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement"];
+    s1_12[label="ForInStatement:exit\nProgram:exit"];
+    s1_11[label="ForInStatement:exit\nBlockStatement:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_5;
+    s1_3->s1_12;
+    s1_6->s1_11->s1_2;
+    s1_7->s1_10->s1_5;
+    s1_8->s1_9->s1_10;
+    s1_11->s1_12;
+    s1_10->s1_11;
+    s1_8->s1_11;
+    s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--continue-simple.js b/eslint/tests/fixtures/code-path-analysis/for-in--continue-simple.js
new file mode 100644
index 0000000..cd3a17b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--continue-simple.js
@@ -0,0 +1,34 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+s1_3->s1_8;
+s1_4->s1_7->s1_2;
+s1_5->s1_6->s1_7->s1_8;
+s1_5->s1_8->final;
+*/
+for (var a in [0]) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nContinueStatement"];
+    s1_8[label="ForInStatement:exit\nProgram:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+    s1_3->s1_8;
+    s1_4->s1_7->s1_2;
+    s1_5->s1_6->s1_7->s1_8;
+    s1_5->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--direct-nest.js b/eslint/tests/fixtures/code-path-analysis/for-in--direct-nest.js
new file mode 100644
index 0000000..de5df31
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--direct-nest.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_5;
+s1_3->s1_9;
+s1_6->s1_8->s1_2;
+s1_7->s1_8->s1_9->final;
+*/
+for (var a in {}) 
+    for (var b in {})
+        foo;
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ObjectExpression\nObjectExpression:exit"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)\nIdentifier:exit (a)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_4[label="ForInStatement"];
+    s1_6[label="ObjectExpression\nObjectExpression:exit"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)\nIdentifier:exit (b)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_7[label="ExpressionStatement\nIdentifier (foo)\nIdentifier:exit (foo)\nExpressionStatement:exit"];
+    s1_9[label="ForInStatement:exit\nProgram:exit"];
+    s1_8[label="ForInStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_5;
+    s1_3->s1_9;
+    s1_6->s1_8->s1_2;
+    s1_7->s1_8->s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--empty.js b/eslint/tests/fixtures/code-path-analysis/for-in--empty.js
new file mode 100644
index 0000000..a1a95b6
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--empty.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_5;
+s1_4->s1_5->final;
+*/
+for (var a in [0]) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement"];
+    s1_5[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_5;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-in--simple.js b/eslint/tests/fixtures/code-path-analysis/for-in--simple.js
new file mode 100644
index 0000000..e4e3780
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-in--simple.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_5;
+s1_4->s1_5->final;
+*/
+for (var a in [0]) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_5;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--break-always.js b/eslint/tests/fixtures/code-path-analysis/for-of--break-always.js
new file mode 100644
index 0000000..23d03a7
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--break-always.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_5->s1_6->final;
+*/
+for (var a of [0]) {
+    foo();
+    break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--break-label.js b/eslint/tests/fixtures/code-path-analysis/for-of--break-label.js
new file mode 100644
index 0000000..5b72a38
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--break-label.js
@@ -0,0 +1,52 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_5;
+s1_3->s1_15;
+s1_6->s1_14->s1_2;
+s1_7->s1_10;
+s1_8->s1_15;
+s1_10->s1_13;
+s1_11->s1_14;
+s1_13->s1_14->s1_15->final;
+*/
+A: for (var a of [0]) {
+    B: for (var b of [1]) {
+        if (c) {
+            break A;
+        }
+        if (d) {
+            break B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_15[label="ForInStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForInStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12->s1_13->s1_5;
+    s1_3->s1_15;
+    s1_6->s1_14->s1_2;
+    s1_7->s1_10;
+    s1_8->s1_15;
+    s1_10->s1_13;
+    s1_11->s1_14;
+    s1_13->s1_14->s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--break-nest.js b/eslint/tests/fixtures/code-path-analysis/for-of--break-nest.js
new file mode 100644
index 0000000..3b44e65
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--break-nest.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_5;
+s1_3->s1_12;
+s1_6->s1_11->s1_2;
+s1_7->s1_10;
+s1_8->s1_11;
+s1_10->s1_11->s1_12->final;
+*/
+for (var a of [0]) {
+    for (var b of [1]) {
+        if (c) {
+            break;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nBreakStatement"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[label="ForInStatement:exit\nProgram:exit"];
+    s1_11[label="ForInStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_9->s1_10->s1_5;
+    s1_3->s1_12;
+    s1_6->s1_11->s1_2;
+    s1_7->s1_10;
+    s1_8->s1_11;
+    s1_10->s1_11->s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--break-simple.js b/eslint/tests/fixtures/code-path-analysis/for-of--break-simple.js
new file mode 100644
index 0000000..614c24c
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--break-simple.js
@@ -0,0 +1,34 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_6->s1_7->s1_2;
+s1_3->s1_8;
+s1_4->s1_7;
+s1_5->s1_8;
+s1_7->s1_8->final;
+*/
+for (var a of [0]) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nBreakStatement"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_8[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_6->s1_7->s1_2;
+    s1_3->s1_8;
+    s1_4->s1_7;
+    s1_5->s1_8;
+    s1_7->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--continue-always.js b/eslint/tests/fixtures/code-path-analysis/for-of--continue-always.js
new file mode 100644
index 0000000..faa558f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--continue-always.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_6;
+s1_4->s1_5->s1_2;
+s1_4->s1_6;
+s1_5->s1_6->final;
+*/
+for (var a of [0]) {
+    foo();
+    continue;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nContinueStatement"];
+    s1_6[label="ForInStatement:exit\nProgram:exit"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_6;
+    s1_4->s1_5->s1_2;
+    s1_4->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--continue-label.js b/eslint/tests/fixtures/code-path-analysis/for-of--continue-label.js
new file mode 100644
index 0000000..7440428
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--continue-label.js
@@ -0,0 +1,60 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_2;
+s1_3->s1_15;
+s1_6->s1_14->s1_2;
+s1_7->s1_10->s1_11->s1_5;
+s1_8->s1_9->s1_10;
+s1_14->s1_15;
+s1_10->s1_13->s1_5;
+s1_11->s1_12->s1_13;
+s1_8->s1_15;
+s1_13->s1_14;
+s1_11->s1_14;
+s1_15->final;
+*/
+A: for (var a of [0]) {
+    B: for (var b of [1]) {
+        if (c) {
+            continue A;
+        }
+        if (d) {
+            continue B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement\nIdentifier (A)"];
+    s1_15[label="ForInStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_14[label="ForInStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_10[label="IfStatement\nIdentifier (d)"];
+    s1_11[label="BlockStatement\nContinueStatement\nIdentifier (B)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_13[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_2;
+    s1_3->s1_15;
+    s1_6->s1_14->s1_2;
+    s1_7->s1_10->s1_11->s1_5;
+    s1_8->s1_9->s1_10;
+    s1_14->s1_15;
+    s1_10->s1_13->s1_5;
+    s1_11->s1_12->s1_13;
+    s1_8->s1_15;
+    s1_13->s1_14;
+    s1_11->s1_14;
+    s1_15->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--continue-nest.js b/eslint/tests/fixtures/code-path-analysis/for-of--continue-nest.js
new file mode 100644
index 0000000..ef9e3cc
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--continue-nest.js
@@ -0,0 +1,48 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_5;
+s1_3->s1_12;
+s1_6->s1_11->s1_2;
+s1_7->s1_10->s1_5;
+s1_8->s1_9->s1_10;
+s1_11->s1_12;
+s1_10->s1_11;
+s1_8->s1_11;
+s1_12->final;
+*/
+for (var a of [0]) {
+    for (var b of [1]) {
+        if (c) {
+            continue;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nForInStatement"];
+    s1_6[label="ArrayExpression\nLiteral (1)"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)"];
+    s1_7[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_8[label="BlockStatement\nContinueStatement"];
+    s1_12[label="ForInStatement:exit\nProgram:exit"];
+    s1_11[label="ForInStatement:exit\nBlockStatement:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_9[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_8->s1_5;
+    s1_3->s1_12;
+    s1_6->s1_11->s1_2;
+    s1_7->s1_10->s1_5;
+    s1_8->s1_9->s1_10;
+    s1_11->s1_12;
+    s1_10->s1_11;
+    s1_8->s1_11;
+    s1_12->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--continue-simple.js b/eslint/tests/fixtures/code-path-analysis/for-of--continue-simple.js
new file mode 100644
index 0000000..9089d5f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--continue-simple.js
@@ -0,0 +1,34 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+s1_3->s1_8;
+s1_4->s1_7->s1_2;
+s1_5->s1_6->s1_7->s1_8;
+s1_5->s1_8->final;
+*/
+for (var a of [0]) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_5[label="BlockStatement\nContinueStatement"];
+    s1_8[label="ForInStatement:exit\nProgram:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_5->s1_2;
+    s1_3->s1_8;
+    s1_4->s1_7->s1_2;
+    s1_5->s1_6->s1_7->s1_8;
+    s1_5->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--direct-nest.js b/eslint/tests/fixtures/code-path-analysis/for-of--direct-nest.js
new file mode 100644
index 0000000..1224bb0
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--direct-nest.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_5;
+s1_3->s1_9;
+s1_6->s1_8->s1_2;
+s1_7->s1_8->s1_9->final;
+*/
+for (var a of []) 
+    for (var b of [])
+        foo;
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForOfStatement"];
+    s1_3[label="ArrayExpression\nArrayExpression:exit"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)\nIdentifier:exit (a)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_4[label="ForOfStatement"];
+    s1_6[label="ArrayExpression\nArrayExpression:exit"];
+    s1_5[label="VariableDeclaration\nVariableDeclarator\nIdentifier (b)\nIdentifier:exit (b)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_7[label="ExpressionStatement\nIdentifier (foo)\nIdentifier:exit (foo)\nExpressionStatement:exit"];
+    s1_9[label="ForOfStatement:exit\nProgram:exit"];
+    s1_8[label="ForOfStatement:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_6->s1_5->s1_7->s1_5;
+    s1_3->s1_9;
+    s1_6->s1_8->s1_2;
+    s1_7->s1_8->s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--empty.js b/eslint/tests/fixtures/code-path-analysis/for-of--empty.js
new file mode 100644
index 0000000..74903f0
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--empty.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_5;
+s1_4->s1_5->final;
+*/
+for (var a of [0]) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement"];
+    s1_5[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_5;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/for-of--simple.js b/eslint/tests/fixtures/code-path-analysis/for-of--simple.js
new file mode 100644
index 0000000..6d26795
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/for-of--simple.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+s1_3->s1_5;
+s1_4->s1_5->final;
+*/
+for (var a of [0]) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForInStatement"];
+    s1_3[label="ArrayExpression\nLiteral (0)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (a)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="ForInStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+    s1_3->s1_5;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/function--in-condition-expr.js b/eslint/tests/fixtures/code-path-analysis/function--in-condition-expr.js
new file mode 100644
index 0000000..775aa21
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/function--in-condition-expr.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s2_1->final;
+*/
+/*expected
+initial->s3_1->final;
+*/
+/*expected
+initial->s1_1->s1_2->s1_4;
+s1_1->s1_3->s1_4->final;
+*/
+(
+    foo ? function foo() {}
+        : function bar() {}
+)();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionExpression\nIdentifier (foo)\nBlockStatement"];
+    initial->s2_1->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s3_1[label="FunctionExpression\nIdentifier (bar)\nBlockStatement"];
+    initial->s3_1->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nExpressionStatement\nCallExpression\nConditionalExpression\nIdentifier (foo)"];
+    s1_2[label="FunctionExpression"];
+    s1_4[label="ConditionalExpression:exit\nCallExpression:exit\nExpressionStatement:exit\nProgram:exit"];
+    s1_3[label="FunctionExpression"];
+    initial->s1_1->s1_2->s1_4;
+    s1_1->s1_3->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/function--in-logical-right.js b/eslint/tests/fixtures/code-path-analysis/function--in-logical-right.js
new file mode 100644
index 0000000..852dbfd
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/function--in-logical-right.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s2_1->final;
+*/
+/*expected
+initial->s1_1->s1_2->s1_3;
+s1_1->s1_3->final;
+*/
+var foo = native || function foo() {};
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionExpression\nIdentifier (foo)\nBlockStatement"];
+    initial->s2_1->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nVariableDeclaration\nVariableDeclarator\nIdentifier (foo)\nLogicalExpression\nIdentifier (native)"];
+    s1_2[label="FunctionExpression"];
+    s1_3[label="LogicalExpression:exit\nVariableDeclarator:exit\nVariableDeclaration:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3;
+    s1_1->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/function--simple.js b/eslint/tests/fixtures/code-path-analysis/function--simple.js
new file mode 100644
index 0000000..5a5a0ca
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/function--simple.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s2_1->final;
+*/
+/*expected
+initial->s1_1->final;
+*/
+foo(0);
+
+function foo(a) {
+    console.log(a);
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionDeclaration\nIdentifier (foo)\nIdentifier (a)\nBlockStatement\nExpressionStatement\nCallExpression\nMemberExpression\nIdentifier (console)\nIdentifier (log)\nIdentifier (a)"];
+    initial->s2_1->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLiteral (0)"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-1.js b/eslint/tests/fixtures/code-path-analysis/if-1.js
new file mode 100644
index 0000000..0fe4bcc
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-1.js
@@ -0,0 +1,20 @@
+/*expected
+initial->s1_1->s1_2->s1_3;
+s1_1->s1_3->final;
+*/
+if (a) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_3[label="IfStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3;
+    s1_1->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-2.js b/eslint/tests/fixtures/code-path-analysis/if-2.js
new file mode 100644
index 0000000..b3aac61
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-2.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_4;
+s1_1->s1_3->s1_4->final;
+*/
+if (a) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="IfStatement:exit\nProgram:exit"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_4;
+    s1_1->s1_3->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-3.js b/eslint/tests/fixtures/code-path-analysis/if-3.js
new file mode 100644
index 0000000..33a225e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-3.js
@@ -0,0 +1,38 @@
+/*expected
+initial->s1_1->s1_2->s1_9;
+s1_1->s1_3->s1_4->s1_5->s1_6->s1_8->s1_9;
+s1_3->s1_7->s1_8;
+s1_4->s1_6;
+s1_9->final;
+*/
+if (a) {
+    foo();
+} else if (b) {
+    if (c) {
+        bar();
+    }
+} else {
+    hoge();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)\nIdentifier:exit (a)"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier:exit (foo)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_3[label="IfStatement\nIdentifier (b)\nIdentifier:exit (b)"];
+    s1_4[label="BlockStatement\nIfStatement\nIdentifier (c)\nIdentifier:exit (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nIdentifier:exit (bar)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_6[label="IfStatement:exit\nBlockStatement:exit"];
+    s1_8[label="IfStatement:exit"];
+    s1_7[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (hoge)\nIdentifier:exit (hoge)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_9;
+    s1_1->s1_3->s1_4->s1_5->s1_6->s1_8->s1_9;
+    s1_3->s1_7->s1_8;
+    s1_4->s1_6;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-4.js b/eslint/tests/fixtures/code-path-analysis/if-4.js
new file mode 100644
index 0000000..def278a
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-4.js
@@ -0,0 +1,31 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_2->s1_3->s1_6;
+s1_1->s1_4->s1_5->s1_6;
+s1_2->final;
+s1_4->thrown;
+*/
+if (a) {
+    return 0;
+} else {
+    throw new Error("err");
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+    s1_2[label="BlockStatement\nReturnStatement\nLiteral (0)"];
+    s1_3[label="BlockStatement:exit"];
+    s1_6[label="IfStatement:exit\nProgram:exit"];
+    s1_4[label="BlockStatement\nThrowStatement\nNewExpression\nIdentifier (Error)\nLiteral (err)"];
+    s1_5[label="BlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_6;
+    s1_1->s1_4->s1_5->s1_6;
+    s1_2->final;
+    s1_4->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-5.js b/eslint/tests/fixtures/code-path-analysis/if-5.js
new file mode 100644
index 0000000..df7018d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-5.js
@@ -0,0 +1,25 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_4;
+s1_2->final;
+s1_4->final;
+*/
+if (a) return 0;
+foo();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+    s1_2[label="ReturnStatement\nLiteral (0)"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\n????"];
+    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_4;
+    s1_2->final;
+    s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/if-6.js b/eslint/tests/fixtures/code-path-analysis/if-6.js
new file mode 100644
index 0000000..09572a1
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/if-6.js
@@ -0,0 +1,37 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_6->s1_8->s1_9;
+s1_1->s1_9;
+s1_2->s1_7->s1_8;
+s1_3->s1_5->s1_6;
+s1_9->final;
+*/
+if (a)
+    if (b)
+        if (c)
+            foo;
+        else
+            bar;
+    else
+        baz;
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nIdentifier (a)\nIdentifier:exit (a)"];
+    s1_2[label="IfStatement\nIdentifier (b)\nIdentifier:exit (b)"];
+    s1_3[label="IfStatement\nIdentifier (c)\nIdentifier:exit (c)"];
+    s1_4[label="ExpressionStatement\nIdentifier (foo)\nIdentifier:exit (foo)\nExpressionStatement:exit"];
+    s1_6[label="IfStatement:exit"];
+    s1_8[label="IfStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_7[label="ExpressionStatement\nIdentifier (baz)\nIdentifier:exit (baz)\nExpressionStatement:exit"];
+    s1_5[label="ExpressionStatement\nIdentifier (bar)\nIdentifier:exit (bar)\nExpressionStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_6->s1_8->s1_9;
+    s1_1->s1_9;
+    s1_2->s1_7->s1_8;
+    s1_3->s1_5->s1_6;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-1.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-1.js
new file mode 100644
index 0000000..4ba2e10
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-1.js
@@ -0,0 +1,21 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_4;
+s1_3->s1_4->final;
+*/
+do {
+    foo();
+} while (a && b);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_4;
+    s1_3->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-2.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-2.js
new file mode 100644
index 0000000..d4f6dd6
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-and-2.js
@@ -0,0 +1,27 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_6;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_5->s1_6->final;
+*/
+do {
+    foo();
+} while (a && b && c && d);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_6;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-1.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-1.js
new file mode 100644
index 0000000..6a854cd
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-1.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+s1_3->s1_2;
+s1_4->s1_5->final;
+*/
+do {
+    foo();
+} while (a && b || c);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+    s1_3->s1_2;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-2.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-2.js
new file mode 100644
index 0000000..d6c2741
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-mix-2.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_2;
+s1_3->s1_5;
+s1_4->s1_5->final;
+*/
+do {
+    foo();
+} while (a || b && c);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="LogicalExpression\nIdentifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_2;
+    s1_3->s1_5;
+    s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-1.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-1.js
new file mode 100644
index 0000000..785dc44
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-1.js
@@ -0,0 +1,21 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_2;
+s1_3->s1_4->final;
+*/
+do {
+    foo();
+} while (a || b);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_2;
+    s1_3->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-2.js b/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-2.js
new file mode 100644
index 0000000..a7dda30
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--do-while-or-2.js
@@ -0,0 +1,27 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_2;
+s1_3->s1_2;
+s1_4->s1_2;
+s1_5->s1_6->final;
+*/
+do {
+    foo();
+} while (a || b || c || d);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nDoWhileStatement"];
+    s1_2[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nLogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="DoWhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_2;
+    s1_3->s1_2;
+    s1_4->s1_2;
+    s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-and-1.js b/eslint/tests/fixtures/code-path-analysis/logical--for-and-1.js
new file mode 100644
index 0000000..2cc5e37
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-and-1.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_6;
+s1_3->s1_6->final;
+*/
+for (init; a && b; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="Identifier (update)"];
+    s1_6[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_6;
+    s1_3->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-and-2.js b/eslint/tests/fixtures/code-path-analysis/logical--for-and-2.js
new file mode 100644
index 0000000..b220d99
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-and-2.js
@@ -0,0 +1,29 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_2->s1_8;
+s1_3->s1_8;
+s1_4->s1_8;
+s1_5->s1_8->final;
+*/
+for (init; a && b && c && d; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="Identifier (update)"];
+    s1_8[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_2->s1_8;
+    s1_3->s1_8;
+    s1_4->s1_8;
+    s1_5->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-and-3.js b/eslint/tests/fixtures/code-path-analysis/logical--for-and-3.js
new file mode 100644
index 0000000..4e8672f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-and-3.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+s1_3->s1_5->final;
+*/
+for (init; a && b;) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-mix-1.js b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-1.js
new file mode 100644
index 0000000..68c27d9
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-1.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_4;
+s1_3->s1_5;
+s1_4->s1_7->final;
+*/
+for (init; a && b || c; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="Identifier (update)"];
+    s1_7[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_4;
+    s1_3->s1_5;
+    s1_4->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-mix-2.js b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-2.js
new file mode 100644
index 0000000..15556e9
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-2.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_5;
+s1_3->s1_7;
+s1_4->s1_7->final;
+*/
+for (init; a || b && c; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="LogicalExpression\nIdentifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="Identifier (update)"];
+    s1_7[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_5;
+    s1_3->s1_7;
+    s1_4->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-mix-3.js b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-3.js
new file mode 100644
index 0000000..f9dcceb
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-mix-3.js
@@ -0,0 +1,25 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+s1_3->s1_5;
+s1_4->s1_6->final;
+*/
+for (init; a && b || c;) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+    s1_3->s1_5;
+    s1_4->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-or-1.js b/eslint/tests/fixtures/code-path-analysis/logical--for-or-1.js
new file mode 100644
index 0000000..2e03354
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-or-1.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+s1_3->s1_6->final;
+*/
+for (init; a || b; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="Identifier (update)"];
+    s1_6[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+    s1_3->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-or-2.js b/eslint/tests/fixtures/code-path-analysis/logical--for-or-2.js
new file mode 100644
index 0000000..90d2f3f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-or-2.js
@@ -0,0 +1,29 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_2->s1_6;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_5->s1_8->final;
+*/
+for (init; a || b || c || d; update) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="Identifier (update)"];
+    s1_8[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_2->s1_6;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_5->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--for-or-3.js b/eslint/tests/fixtures/code-path-analysis/logical--for-or-3.js
new file mode 100644
index 0000000..7e6185d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--for-or-3.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+s1_3->s1_5->final;
+*/
+for (init; a || b;) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nForStatement\nIdentifier (init)"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="ForStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-and-1.js b/eslint/tests/fixtures/code-path-analysis/logical--if-and-1.js
new file mode 100644
index 0000000..edd464e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-and-1.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_4;
+s1_2->s1_4->final;
+*/
+if (a && b) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="IfStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_4;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-and-2.js b/eslint/tests/fixtures/code-path-analysis/logical--if-and-2.js
new file mode 100644
index 0000000..394a2b3
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-and-2.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5;
+s1_1->s1_4->s1_5;
+s1_2->s1_4;
+s1_5->final;
+*/
+if (a && b) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="IfStatement:exit\nProgram:exit"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_5;
+    s1_1->s1_4->s1_5;
+    s1_2->s1_4;
+    s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-and-3.js b/eslint/tests/fixtures/code-path-analysis/logical--if-and-3.js
new file mode 100644
index 0000000..a63b5fb
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-and-3.js
@@ -0,0 +1,37 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_9;
+s1_1->s1_4->s1_5->s1_6->s1_8->s1_9;
+s1_2->s1_4->s1_7->s1_8;
+s1_5->s1_7;
+s1_9->final;
+
+*/
+if (a && b) {
+    foo();
+} else if (c && d) {
+    bar();
+} else {
+    qiz();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)\nIdentifier:exit (a)"];
+    s1_2[label="Identifier (b)\nIdentifier:exit (b)\nLogicalExpression:exit"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier:exit (foo)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_4[label="IfStatement\nLogicalExpression\nIdentifier (c)\nIdentifier:exit (c)"];
+    s1_5[label="Identifier (d)\nIdentifier:exit (d)\nLogicalExpression:exit"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nIdentifier:exit (bar)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_8[label="IfStatement:exit"];
+    s1_7[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (qiz)\nIdentifier:exit (qiz)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_9;
+    s1_1->s1_4->s1_5->s1_6->s1_8->s1_9;
+    s1_2->s1_4->s1_7->s1_8;
+    s1_5->s1_7;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-and-4.js b/eslint/tests/fixtures/code-path-analysis/logical--if-and-4.js
new file mode 100644
index 0000000..be3d582
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-and-4.js
@@ -0,0 +1,34 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7;
+s1_1->s1_6->s1_7;
+s1_2->s1_6;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_7->final;
+*/
+if (a && b && c && d) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="Identifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="IfStatement:exit\nProgram:exit"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7;
+    s1_1->s1_6->s1_7;
+    s1_2->s1_6;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-and-5.js b/eslint/tests/fixtures/code-path-analysis/logical--if-and-5.js
new file mode 100644
index 0000000..1d03f3c
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-and-5.js
@@ -0,0 +1,40 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7->s1_9;
+s1_1->s1_8->s1_9;
+s1_2->s1_8;
+s1_3->s1_6->s1_7;
+s1_4->s1_6;
+s1_9->final;
+*/
+if (a && b) {
+    if (c && d) {
+        foo();
+    } else {
+        bar();
+    }
+} else {
+    qiz();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nIfStatement\nLogicalExpression\nIdentifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="IfStatement:exit\nBlockStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_8[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (qiz)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7->s1_9;
+    s1_1->s1_8->s1_9;
+    s1_2->s1_8;
+    s1_3->s1_6->s1_7;
+    s1_4->s1_6;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-mix-1.js b/eslint/tests/fixtures/code-path-analysis/logical--if-mix-1.js
new file mode 100644
index 0000000..5c67025
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-mix-1.js
@@ -0,0 +1,29 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+s1_1->s1_3;
+s1_2->s1_4;
+s1_3->s1_5->s1_6->final;
+*/
+if (a && b || c) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="Identifier (c)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="IfStatement:exit\nProgram:exit"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+    s1_1->s1_3;
+    s1_2->s1_4;
+    s1_3->s1_5->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-mix-2.js b/eslint/tests/fixtures/code-path-analysis/logical--if-mix-2.js
new file mode 100644
index 0000000..ff996a4
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-mix-2.js
@@ -0,0 +1,31 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+s1_1->s1_4;
+s1_2->s1_5->s1_6;
+s1_3->s1_5;
+s1_6->final;
+*/
+if (a || b && c) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="LogicalExpression\nIdentifier (b)"];
+    s1_3[label="Identifier (c)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="IfStatement:exit\nProgram:exit"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+    s1_1->s1_4;
+    s1_2->s1_5->s1_6;
+    s1_3->s1_5;
+    s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-or-1.js b/eslint/tests/fixtures/code-path-analysis/logical--if-or-1.js
new file mode 100644
index 0000000..83a8df5
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-or-1.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_3;
+s1_2->s1_4->final;
+*/
+if (a || b) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="IfStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_3;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-or-2.js b/eslint/tests/fixtures/code-path-analysis/logical--if-or-2.js
new file mode 100644
index 0000000..b31d046
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-or-2.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5;
+s1_1->s1_3;
+s1_2->s1_4->s1_5->final;
+*/
+if (a || b) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="IfStatement:exit\nProgram:exit"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_5;
+    s1_1->s1_3;
+    s1_2->s1_4->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-or-3.js b/eslint/tests/fixtures/code-path-analysis/logical--if-or-3.js
new file mode 100644
index 0000000..23dd57f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-or-3.js
@@ -0,0 +1,38 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_9;
+s1_1->s1_3;
+s1_2->s1_4->s1_5->s1_6->s1_8->s1_9;
+s1_4->s1_6;
+s1_5->s1_7->s1_8;
+s1_9->final;
+*/
+if (a || b) {
+    foo();
+} else if (c || d) {
+    bar();
+} else {
+    qiz();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)\nIdentifier:exit (a)"];
+    s1_2[label="Identifier (b)\nIdentifier:exit (b)\nLogicalExpression:exit"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier:exit (foo)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_4[label="IfStatement\nLogicalExpression\nIdentifier (c)\nIdentifier:exit (c)"];
+    s1_5[label="Identifier (d)\nIdentifier:exit (d)\nLogicalExpression:exit"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nIdentifier:exit (bar)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_8[label="IfStatement:exit"];
+    s1_7[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (qiz)\nIdentifier:exit (qiz)\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_9;
+    s1_1->s1_3;
+    s1_2->s1_4->s1_5->s1_6->s1_8->s1_9;
+    s1_4->s1_6;
+    s1_5->s1_7->s1_8;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-or-4.js b/eslint/tests/fixtures/code-path-analysis/logical--if-or-4.js
new file mode 100644
index 0000000..8409b38
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-or-4.js
@@ -0,0 +1,32 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7;
+s1_1->s1_5;
+s1_2->s1_5;
+s1_3->s1_5;
+s1_4->s1_6->s1_7->final;
+*/
+if (a || b || c || d) {
+    foo();
+} else {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="Identifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="IfStatement:exit\nProgram:exit"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7;
+    s1_1->s1_5;
+    s1_2->s1_5;
+    s1_3->s1_5;
+    s1_4->s1_6->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--if-or-5.js b/eslint/tests/fixtures/code-path-analysis/logical--if-or-5.js
new file mode 100644
index 0000000..5e634ef
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--if-or-5.js
@@ -0,0 +1,40 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7->s1_9;
+s1_1->s1_3;
+s1_2->s1_8->s1_9;
+s1_3->s1_5;
+s1_4->s1_6->s1_7;
+s1_9->final;
+*/
+if (a || b) {
+    if (c || d) {
+        foo();
+    } else {
+        bar();
+    }
+} else {
+    qiz();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nIfStatement\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="BlockStatement\nIfStatement\nLogicalExpression\nIdentifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="IfStatement:exit\nBlockStatement:exit"];
+    s1_9[label="IfStatement:exit\nProgram:exit"];
+    s1_8[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (qiz)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_7->s1_9;
+    s1_1->s1_3;
+    s1_2->s1_8->s1_9;
+    s1_3->s1_5;
+    s1_4->s1_6->s1_7;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--simple-1.js b/eslint/tests/fixtures/code-path-analysis/logical--simple-1.js
new file mode 100644
index 0000000..5ac94a5
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--simple-1.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+s1_1->s1_5;
+s1_2->s1_5;
+s1_3->s1_5->final;
+*/
+a || b || c || d;
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nExpressionStatement\nLogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="Identifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="LogicalExpression:exit\nExpressionStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+    s1_1->s1_5;
+    s1_2->s1_5;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--simple-2.js b/eslint/tests/fixtures/code-path-analysis/logical--simple-2.js
new file mode 100644
index 0000000..d958542
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--simple-2.js
@@ -0,0 +1,24 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+s1_1->s1_5;
+s1_2->s1_5;
+s1_3->s1_5->final;
+*/
+a || b || (c || d);
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nExpressionStatement\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_2[label="Identifier (b)"];
+    s1_3[label="LogicalExpression\nIdentifier (c)"];
+    s1_4[label="Identifier (d)"];
+    s1_5[label="LogicalExpression:exit\nExpressionStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+    s1_1->s1_5;
+    s1_2->s1_5;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-and-1.js b/eslint/tests/fixtures/code-path-analysis/logical--while-and-1.js
new file mode 100644
index 0000000..4de19eb
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-and-1.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+s1_3->s1_5->final;
+*/
+while (a && b) {
+    foo();
+}
+
+/*DOT
+digraph {
+node[shape=box,style="rounded,filled",fillcolor=white];
+initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+s1_1[label="Program\nWhileStatement"];
+s1_2[label="LogicalExpression\nIdentifier (a)"];
+s1_3[label="Identifier (b)"];
+s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+s1_5[label="WhileStatement:exit\nProgram:exit"];
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-and-2.js b/eslint/tests/fixtures/code-path-analysis/logical--while-and-2.js
new file mode 100644
index 0000000..036992f
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-and-2.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+s1_3->s1_7;
+s1_4->s1_7;
+s1_5->s1_7->final;
+*/
+while (a && b && c && d) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+    s1_3->s1_7;
+    s1_4->s1_7;
+    s1_5->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-mix-1.js b/eslint/tests/fixtures/code-path-analysis/logical--while-mix-1.js
new file mode 100644
index 0000000..38b3e9c
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-mix-1.js
@@ -0,0 +1,25 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+s1_3->s1_5;
+s1_4->s1_6->final;
+*/
+while (a && b || c) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_4;
+    s1_3->s1_5;
+    s1_4->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-mix-2.js b/eslint/tests/fixtures/code-path-analysis/logical--while-mix-2.js
new file mode 100644
index 0000000..bfb55da
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-mix-2.js
@@ -0,0 +1,25 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_5;
+s1_3->s1_6;
+s1_4->s1_6->final;
+*/
+while (a || b && c) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="LogicalExpression\nIdentifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_6[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_2->s1_5;
+    s1_3->s1_6;
+    s1_4->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-or-1.js b/eslint/tests/fixtures/code-path-analysis/logical--while-or-1.js
new file mode 100644
index 0000000..6dad039
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-or-1.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+s1_3->s1_5->final;
+*/
+while (a || b) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="LogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_4;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/logical--while-or-2.js b/eslint/tests/fixtures/code-path-analysis/logical--while-or-2.js
new file mode 100644
index 0000000..a2a835d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/logical--while-or-2.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_6;
+s1_3->s1_6;
+s1_4->s1_6;
+s1_5->s1_7->final;
+*/
+while (a || b || c || d) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="LogicalExpression\nLogicalExpression\nLogicalExpression\nIdentifier (a)"];
+    s1_3[label="Identifier (b)"];
+    s1_4[label="Identifier (c)"];
+    s1_5[label="Identifier (d)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_6;
+    s1_3->s1_6;
+    s1_4->s1_6;
+    s1_5->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--cases-1.js b/eslint/tests/fixtures/code-path-analysis/switch--cases-1.js
new file mode 100644
index 0000000..97b4c44
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--cases-1.js
@@ -0,0 +1,53 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+s1_1->s1_4->s1_6->s1_7;
+s1_2->s1_13;
+s1_7->s1_13;
+s1_4->s1_7;
+s1_6->s1_9->s1_10;
+s1_9->s1_11->s1_12;
+s1_11->s1_13->final;
+*/
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        break;
+
+    case 3:
+        hoge();
+    case 4:
+        fuga();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (bar)\nBreakStatement"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (hoge)"];
+    s1_12[label="ExpressionStatement\nCallExpression\nIdentifier (fuga)"];
+    s1_13[label="SwitchStatement:exit\nProgram:exit"];
+    s1_4[label="SwitchCase\nLiteral (1)"];
+    s1_6[label="SwitchCase\nLiteral (2)"];
+    s1_9[label="SwitchCase\nLiteral (3)"];
+    s1_11[label="SwitchCase\nLiteral (4)"];
+    initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+    s1_1->s1_4->s1_6->s1_7;
+    s1_2->s1_13;
+    s1_7->s1_13;
+    s1_4->s1_7;
+    s1_6->s1_9->s1_10;
+    s1_9->s1_11->s1_12;
+    s1_11->s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--cases-2.js b/eslint/tests/fixtures/code-path-analysis/switch--cases-2.js
new file mode 100644
index 0000000..5099df3
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--cases-2.js
@@ -0,0 +1,61 @@
+/* eslint-env node */
+/*expected
+initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13->s1_14;
+s1_1->s1_4->s1_6->s1_7;
+s1_12->s1_14;
+s1_4->s1_7;
+s1_6->s1_9->s1_10;
+s1_9->s1_11->s1_12;
+s1_11->s1_14;
+s1_2->final;
+s1_7->final;
+s1_14->final;
+*/
+
+switch (a) {
+    case 0:
+        foo();
+        return;
+
+    case 1:
+    case 2:
+        bar();
+        return;
+
+    case 3:
+        hoge();
+    case 4:
+        fuga();
+        break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nReturnStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (bar)\nReturnStatement"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (hoge)"];
+    s1_12[label="ExpressionStatement\nCallExpression\nIdentifier (fuga)\nBreakStatement"];
+    s1_13[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_14[label="SwitchStatement:exit\nProgram:exit"];
+    s1_4[label="SwitchCase\nLiteral (1)"];
+    s1_6[label="SwitchCase\nLiteral (2)"];
+    s1_9[label="SwitchCase\nLiteral (3)"];
+    s1_11[label="SwitchCase\nLiteral (4)"];
+    initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13->s1_14;
+    s1_1->s1_4->s1_6->s1_7;
+    s1_12->s1_14;
+    s1_4->s1_7;
+    s1_6->s1_9->s1_10;
+    s1_9->s1_11->s1_12;
+    s1_11->s1_14;
+    s1_2->final;
+    s1_7->final;
+    s1_14->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-1.js b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-1.js
new file mode 100644
index 0000000..600b636
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-1.js
@@ -0,0 +1,54 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+s1_1->s1_4->s1_6->s1_7;
+s1_2->s1_13;
+s1_7->s1_13;
+s1_4->s1_7;
+s1_6->s1_9->s1_10;
+s1_9->s1_11->s1_12;
+s1_13->final;
+*/
+
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        break;
+
+    case 3:
+        hoge();
+    default:
+        fuga();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (bar)\nBreakStatement"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (hoge)"];
+    s1_12[label="ExpressionStatement\nCallExpression\nIdentifier (fuga)"];
+    s1_13[label="SwitchStatement:exit\nProgram:exit"];
+    s1_4[label="SwitchCase\nLiteral (1)"];
+    s1_6[label="SwitchCase\nLiteral (2)"];
+    s1_9[label="SwitchCase\nLiteral (3)"];
+    s1_11[label="SwitchCase"];
+    initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+    s1_1->s1_4->s1_6->s1_7;
+    s1_2->s1_13;
+    s1_7->s1_13;
+    s1_4->s1_7;
+    s1_6->s1_9->s1_10;
+    s1_9->s1_11->s1_12;
+    s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-2.js b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-2.js
new file mode 100644
index 0000000..95f3775
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-2.js
@@ -0,0 +1,54 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+s1_1->s1_4->s1_6->s1_7;
+s1_2->s1_13;
+s1_7->s1_13;
+s1_4->s1_7;
+s1_6->s1_9->s1_11->s1_12;
+s1_11->s1_10;
+s1_13->final;
+*/
+
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    case 1:
+    case 2:
+        bar();
+        break;
+
+    default:
+        hoge();
+    case 3:
+        fuga();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_7[label="ExpressionStatement\nCallExpression\nIdentifier (bar)\nBreakStatement"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_10[label="ExpressionStatement\nCallExpression\nIdentifier (hoge)"];
+    s1_12[label="ExpressionStatement\nCallExpression\nIdentifier (fuga)"];
+    s1_13[label="SwitchStatement:exit\nProgram:exit"];
+    s1_4[label="SwitchCase\nLiteral (1)"];
+    s1_6[label="SwitchCase\nLiteral (2)"];
+    s1_9[label="SwitchCase"];
+    s1_11[label="SwitchCase\nLiteral (3)"];
+    initial->s1_1->s1_2->s1_3->s1_7->s1_8->s1_10->s1_12->s1_13;
+    s1_1->s1_4->s1_6->s1_7;
+    s1_2->s1_13;
+    s1_7->s1_13;
+    s1_4->s1_7;
+    s1_6->s1_9->s1_11->s1_12;
+    s1_11->s1_10;
+    s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-3.js b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-3.js
new file mode 100644
index 0000000..35a8173
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--cases-and-default-3.js
@@ -0,0 +1,52 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_9->s1_10->s1_12->s1_13;
+s1_1->s1_4->s1_6->s1_8->s1_9;
+s1_2->s1_13;
+s1_9->s1_13;
+s1_6->s1_9;
+s1_8->s1_11->s1_12;
+s1_11->s1_9;
+s1_13->final;
+*/
+
+switch (a) {
+    case 0:
+        foo();
+        break;
+
+    default:
+    case 1:
+    case 2:
+        bar();
+        break;
+
+    case 3:
+        fuga();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (bar)\nBreakStatement"];
+    s1_10[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_12[label="ExpressionStatement\nCallExpression\nIdentifier (fuga)"];
+    s1_13[label="SwitchStatement:exit\nProgram:exit"];
+    s1_4[label="SwitchCase"];
+    s1_6[label="SwitchCase\nLiteral (1)"];
+    s1_8[label="SwitchCase\nLiteral (2)"];
+    s1_11[label="SwitchCase\nLiteral (3)"];
+    initial->s1_1->s1_2->s1_3->s1_9->s1_10->s1_12->s1_13;
+    s1_1->s1_4->s1_6->s1_8->s1_9;
+    s1_2->s1_13;
+    s1_9->s1_13;
+    s1_6->s1_9;
+    s1_8->s1_11->s1_12;
+    s1_11->s1_9;
+    s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--default-only-1.js b/eslint/tests/fixtures/code-path-analysis/switch--default-only-1.js
new file mode 100644
index 0000000..8d50ac2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--default-only-1.js
@@ -0,0 +1,16 @@
+/*expected
+initial->s1_1->final;
+*/
+switch (a) {
+    default:
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--default-only-2.js b/eslint/tests/fixtures/code-path-analysis/switch--default-only-2.js
new file mode 100644
index 0000000..74f21ae
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--default-only-2.js
@@ -0,0 +1,22 @@
+/*expected
+initial->s1_1->s1_2->s1_4;
+s1_1->s1_4->final;
+*/
+switch (a) {
+    default:
+        foo();
+        break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_2[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_4[label="SwitchStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_4;
+    s1_1->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--empty.js b/eslint/tests/fixtures/code-path-analysis/switch--empty.js
new file mode 100644
index 0000000..69f5181
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--empty.js
@@ -0,0 +1,15 @@
+/*expected
+initial->s1_1->final;
+*/
+switch (a) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--precedence.js b/eslint/tests/fixtures/code-path-analysis/switch--precedence.js
new file mode 100644
index 0000000..fdffd6e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--precedence.js
@@ -0,0 +1,272 @@
+/*expected
+initial->s2_1->s2_2->s2_3->s2_9->s2_10->s2_12->s2_13->s2_15->s2_16->s2_17->s2_19->s2_20->s2_21->s2_23->s2_24->s2_25->s2_27->s2_28->s2_30->s2_31->s2_39->s2_40->s2_52->s2_53->s2_59->s2_60->s2_64->s2_65->s2_71->s2_72->s2_73->s2_75->s2_76->s2_78->s2_79->s2_81->s2_82->s2_83->s2_84->s2_85->s2_87->s2_88->s2_89->s2_90;
+s2_1->s2_4->s2_6->s2_8->s2_9;
+s2_15->s2_18->s2_19;
+s2_23->s2_26->s2_27;
+s2_81->s2_84;
+s2_4->s2_9;
+s2_6->s2_9;
+s2_8->s2_11->s2_12;
+s2_18->s2_21;
+s2_26->s2_29->s2_30;
+s2_11->s2_14->s2_15;
+s2_29->s2_32->s2_34->s2_36->s2_38->s2_39;
+s2_14->s2_22->s2_23;
+s2_32->s2_39;
+s2_34->s2_39;
+s2_36->s2_39;
+s2_38->s2_41->s2_43->s2_45->s2_47->s2_49->s2_51->s2_52;
+s2_22->s2_74->s2_75;
+s2_41->s2_52;
+s2_43->s2_52;
+s2_45->s2_52;
+s2_47->s2_52;
+s2_49->s2_52;
+s2_51->s2_54->s2_56->s2_58->s2_59;
+s2_74->s2_77->s2_78;
+s2_54->s2_59;
+s2_56->s2_59;
+s2_58->s2_61->s2_63->s2_64;
+s2_77->s2_80->s2_81;
+s2_61->s2_64;
+s2_63->s2_66->s2_68->s2_70->s2_71;
+s2_80->s2_86->s2_87;
+s2_66->s2_71;
+s2_68->s2_71;
+s2_70->s2_73;
+s2_86->s2_89;
+s2_2->final;
+s2_9->final;
+s2_12->final;
+s2_16->final;
+s2_19->final;
+s2_24->final;
+s2_27->final;
+s2_30->final;
+s2_39->final;
+s2_52->final;
+s2_59->final;
+s2_64->final;
+s2_71->final;
+s2_75->final;
+s2_78->final;
+s2_82->final;
+s2_84->final;
+s2_87->final;
+s2_89->final;
+*/
+/*expected
+initial->s1_1->final;
+*/
+
+function precedence(node) {
+    switch (node.type) {
+        case "SequenceExpression":
+            return 0;
+
+        case "AssignmentExpression":
+        case "ArrowFunctionExpression":
+        case "YieldExpression":
+            return 1;
+
+        case "ConditionalExpression":
+            return 3;
+
+        case "LogicalExpression":
+            switch (node.operator) {
+                case "||":
+                    return 4;
+                case "&&":
+                    return 5;
+                // no default
+            }
+
+            /* falls through */
+        case "BinaryExpression":
+            switch (node.operator) {
+                case "|":
+                    return 6;
+                case "^":
+                    return 7;
+                case "&":
+                    return 8;
+                case "==":
+                case "!=":
+                case "===":
+                case "!==":
+                    return 9;
+                case "<":
+                case "<=":
+                case ">":
+                case ">=":
+                case "in":
+                case "instanceof":
+                    return 10;
+                case "<<":
+                case ">>":
+                case ">>>":
+                    return 11;
+                case "+":
+                case "-":
+                    return 12;
+                case "*":
+                case "/":
+                case "%":
+                    return 13;
+                // no default
+            }
+            /* falls through */
+        case "UnaryExpression":
+            return 14;
+        case "UpdateExpression":
+            return 15;
+        case "CallExpression":
+            // IIFE is allowed to have parens in any position (#655)
+            if (node.callee.type === "FunctionExpression") {
+                return -1;
+            }
+            return 16;
+        case "NewExpression":
+            return 17;
+        // no default
+    }
+    return 18;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionDeclaration\nIdentifier (precedence)\nIdentifier (node)\nBlockStatement\nSwitchStatement\nMemberExpression\nIdentifier (node)\nIdentifier (type)\nSwitchCase\nLiteral (SequenceExpression)"];
+    s2_2[label="ReturnStatement\nLiteral (0)"];
+    s2_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_9[label="ReturnStatement\nLiteral (1)"];
+    s2_10[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_12[label="ReturnStatement\nLiteral (3)"];
+    s2_13[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_15[label="SwitchStatement\nMemberExpression\nIdentifier (node)\nIdentifier (operator)\nSwitchCase\nLiteral (||)"];
+    s2_16[label="ReturnStatement\nLiteral (4)"];
+    s2_17[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_19[label="ReturnStatement\nLiteral (5)"];
+    s2_20[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_21[label="SwitchStatement:exit\nSwitchCase:exit"];
+    s2_23[label="SwitchStatement\nMemberExpression\nIdentifier (node)\nIdentifier (operator)\nSwitchCase\nLiteral (|)"];
+    s2_24[label="ReturnStatement\nLiteral (6)"];
+    s2_25[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_27[label="ReturnStatement\nLiteral (7)"];
+    s2_28[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_30[label="ReturnStatement\nLiteral (8)"];
+    s2_31[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_39[label="ReturnStatement\nLiteral (9)"];
+    s2_40[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_52[label="ReturnStatement\nLiteral (10)"];
+    s2_53[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_59[label="ReturnStatement\nLiteral (11)"];
+    s2_60[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_64[label="ReturnStatement\nLiteral (12)"];
+    s2_65[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_71[label="ReturnStatement\nLiteral (13)"];
+    s2_72[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_73[label="SwitchStatement:exit\nSwitchCase:exit"];
+    s2_75[label="ReturnStatement\nLiteral (14)"];
+    s2_76[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_78[label="ReturnStatement\nLiteral (15)"];
+    s2_79[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_81[label="IfStatement\nBinaryExpression\nMemberExpression\nMemberExpression\nIdentifier (node)\nIdentifier (callee)\nIdentifier (type)\nLiteral (FunctionExpression)"];
+    s2_82[label="BlockStatement\nReturnStatement\nUnaryExpression\nLiteral (1)"];
+    s2_83[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s2_84[label="ReturnStatement\nLiteral (16)"];
+    s2_85[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_87[label="ReturnStatement\nLiteral (17)"];
+    s2_88[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s2_89[label="ReturnStatement\nLiteral (18)"];
+    s2_90[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit\nFunctionDeclaration:exit"];
+    s2_4[label="SwitchCase\nLiteral (AssignmentExpression)"];
+    s2_6[label="SwitchCase\nLiteral (ArrowFunctionExpression)"];
+    s2_8[label="SwitchCase\nLiteral (YieldExpression)"];
+    s2_18[label="SwitchCase\nLiteral (&&)"];
+    s2_26[label="SwitchCase\nLiteral (^)"];
+    s2_11[label="SwitchCase\nLiteral (ConditionalExpression)"];
+    s2_29[label="SwitchCase\nLiteral (&)"];
+    s2_14[label="SwitchCase\nLiteral (LogicalExpression)"];
+    s2_32[label="SwitchCase\nLiteral (==)"];
+    s2_34[label="SwitchCase\nLiteral (!=)"];
+    s2_36[label="SwitchCase\nLiteral (===)"];
+    s2_38[label="SwitchCase\nLiteral (!==)"];
+    s2_22[label="SwitchCase\nLiteral (BinaryExpression)"];
+    s2_41[label="SwitchCase\nLiteral (<)"];
+    s2_43[label="SwitchCase\nLiteral (<=)"];
+    s2_45[label="SwitchCase\nLiteral (>)"];
+    s2_47[label="SwitchCase\nLiteral (>=)"];
+    s2_49[label="SwitchCase\nLiteral (in)"];
+    s2_51[label="SwitchCase\nLiteral (instanceof)"];
+    s2_74[label="SwitchCase\nLiteral (UnaryExpression)"];
+    s2_54[label="SwitchCase\nLiteral (<<)"];
+    s2_56[label="SwitchCase\nLiteral (>>)"];
+    s2_58[label="SwitchCase\nLiteral (>>>)"];
+    s2_77[label="SwitchCase\nLiteral (UpdateExpression)"];
+    s2_61[label="SwitchCase\nLiteral (+)"];
+    s2_63[label="SwitchCase\nLiteral (-)"];
+    s2_80[label="SwitchCase\nLiteral (CallExpression)"];
+    s2_66[label="SwitchCase\nLiteral (*)"];
+    s2_68[label="SwitchCase\nLiteral (/)"];
+    s2_70[label="SwitchCase\nLiteral (%)"];
+    s2_86[label="SwitchCase\nLiteral (NewExpression)"];
+    initial->s2_1->s2_2->s2_3->s2_9->s2_10->s2_12->s2_13->s2_15->s2_16->s2_17->s2_19->s2_20->s2_21->s2_23->s2_24->s2_25->s2_27->s2_28->s2_30->s2_31->s2_39->s2_40->s2_52->s2_53->s2_59->s2_60->s2_64->s2_65->s2_71->s2_72->s2_73->s2_75->s2_76->s2_78->s2_79->s2_81->s2_82->s2_83->s2_84->s2_85->s2_87->s2_88->s2_89->s2_90;
+    s2_1->s2_4->s2_6->s2_8->s2_9;
+    s2_15->s2_18->s2_19;
+    s2_23->s2_26->s2_27;
+    s2_81->s2_84;
+    s2_4->s2_9;
+    s2_6->s2_9;
+    s2_8->s2_11->s2_12;
+    s2_18->s2_21;
+    s2_26->s2_29->s2_30;
+    s2_11->s2_14->s2_15;
+    s2_29->s2_32->s2_34->s2_36->s2_38->s2_39;
+    s2_14->s2_22->s2_23;
+    s2_32->s2_39;
+    s2_34->s2_39;
+    s2_36->s2_39;
+    s2_38->s2_41->s2_43->s2_45->s2_47->s2_49->s2_51->s2_52;
+    s2_22->s2_74->s2_75;
+    s2_41->s2_52;
+    s2_43->s2_52;
+    s2_45->s2_52;
+    s2_47->s2_52;
+    s2_49->s2_52;
+    s2_51->s2_54->s2_56->s2_58->s2_59;
+    s2_74->s2_77->s2_78;
+    s2_54->s2_59;
+    s2_56->s2_59;
+    s2_58->s2_61->s2_63->s2_64;
+    s2_77->s2_80->s2_81;
+    s2_61->s2_64;
+    s2_63->s2_66->s2_68->s2_70->s2_71;
+    s2_80->s2_86->s2_87;
+    s2_66->s2_71;
+    s2_68->s2_71;
+    s2_70->s2_73;
+    s2_86->s2_89;
+    s2_2->final;
+    s2_9->final;
+    s2_12->final;
+    s2_16->final;
+    s2_19->final;
+    s2_24->final;
+    s2_27->final;
+    s2_30->final;
+    s2_39->final;
+    s2_52->final;
+    s2_59->final;
+    s2_64->final;
+    s2_71->final;
+    s2_75->final;
+    s2_78->final;
+    s2_82->final;
+    s2_84->final;
+    s2_87->final;
+    s2_89->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--single-case-1.js b/eslint/tests/fixtures/code-path-analysis/switch--single-case-1.js
new file mode 100644
index 0000000..8cea19e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--single-case-1.js
@@ -0,0 +1,17 @@
+/*expected
+initial->s1_1->s1_3->final;
+*/
+switch (a) {
+    case 0:
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_3[label="SwitchStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/switch--single-case-2.js b/eslint/tests/fixtures/code-path-analysis/switch--single-case-2.js
new file mode 100644
index 0000000..c0892a4
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/switch--single-case-2.js
@@ -0,0 +1,25 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_4;
+s1_2->s1_4->final;
+*/
+switch (a) {
+    case 0:
+        foo();
+        break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+    s1_4[label="SwitchStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_4;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-1.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-1.js
new file mode 100644
index 0000000..b87670b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-1.js
@@ -0,0 +1,26 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_3;
+s1_2->s1_4->final;
+*/
+
+try {
+    foo();
+} catch (err) {
+    bar();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_3[label="CatchClause\nIdentifier (err)\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    s1_4[label="TryStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_3;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-2.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-2.js
new file mode 100644
index 0000000..e6e86b4
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-2.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+s1_1->s1_3;
+s1_2->s1_5->final;
+s1_3->thrown;
+*/
+
+try {
+    foo();
+} catch (err) {
+    throw err;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_3[label="CatchClause\nIdentifier (err)\nBlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit\nCatchClause:exit"];
+    s1_5[label="TryStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5;
+    s1_1->s1_3;
+    s1_2->s1_5->final;
+    s1_3->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-3.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-3.js
new file mode 100644
index 0000000..add5763
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-3.js
@@ -0,0 +1,43 @@
+/* eslint-env node */
+/*expected
+initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_9;
+s1_1->s1_5->s1_6->s1_7->s1_9;
+s1_1->s1_8;
+s1_5->s1_8;
+s1_3->final;
+s1_9->final;
+*/
+
+try {
+    if (a) {
+        return a;
+    } else {
+        throw b;
+    }
+} catch (err) {
+    // do nothing.
+}
+
+foo();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_3[label="BlockStatement\nReturnStatement\nIdentifier (a)"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nIfStatement:exit\nBlockStatement:exit"];
+    s1_8[label="CatchClause\nIdentifier (err)\nBlockStatement"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[label="BlockStatement\nThrowStatement\nIdentifier (b)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_9;
+    s1_1->s1_5->s1_6->s1_7->s1_9;
+    s1_1->s1_8;
+    s1_5->s1_8;
+    s1_3->final;
+    s1_9->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-4.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-4.js
new file mode 100644
index 0000000..b96d220
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-4.js
@@ -0,0 +1,55 @@
+/*expected
+initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12;
+s1_1->s1_5;
+s1_3->s1_6;
+s1_5->s1_9;
+s1_6->s1_10;
+s1_7->s1_10;
+s1_9->s1_12;
+s1_1->s1_6;
+s1_12->final;
+s1_10->thrown;
+*/
+
+try {
+    try {
+        if (a) {
+            throw err;
+        }
+    } catch (err) {
+        throw err;
+    }
+} catch (err) {
+    throw err;
+}
+
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nTryStatement\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_3[label="BlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_5[label="IfStatement:exit\nBlockStatement:exit"];
+    s1_6[label="CatchClause\nIdentifier (err)\nBlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_7[label="ThrowStatement:exit"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit\nCatchClause:exit"];
+    s1_9[label="TryStatement:exit\nBlockStatement:exit"];
+    s1_10[label="CatchClause\nIdentifier (err)\nBlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_11[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit\nCatchClause:exit"];
+    s1_12[label="TryStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_11->s1_12;
+    s1_1->s1_5;
+    s1_3->s1_6;
+    s1_5->s1_9;
+    s1_6->s1_10;
+    s1_7->s1_10;
+    s1_9->s1_12;
+    s1_1->s1_6;
+    s1_12->final;
+    s1_10->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-1.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-1.js
new file mode 100644
index 0000000..89daf02
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-1.js
@@ -0,0 +1,30 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_3;
+s1_2->s1_4->final;
+*/
+
+try {
+    foo();
+} catch (err) {
+    bar();
+} finally {
+    baz();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_3[label="CatchClause\nIdentifier (err)\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (baz)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_3;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-2.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-2.js
new file mode 100644
index 0000000..3b37e6d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-2.js
@@ -0,0 +1,34 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_2->s1_3->s1_5;
+s1_1->s1_6;
+s1_2->s1_5;
+s1_3->s1_6->final;
+*/
+
+try {
+    return;
+} catch (err) {
+    foo();
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nReturnStatement"];
+    s1_2[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nCatchClause\nIdentifier (err)\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_5;
+    s1_1->s1_6;
+    s1_2->s1_5;
+    s1_3->s1_6->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-3.js b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-3.js
new file mode 100644
index 0000000..cbfb78b
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-catch-finally-3.js
@@ -0,0 +1,52 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_10;
+s1_1->s1_5->s1_6->s1_7;
+s1_3->s1_11;
+s1_7->s1_10;
+s1_8->s1_11;
+s1_1->s1_8;
+s1_5->s1_8;
+s1_11->final;
+s1_10->final;
+*/
+
+try {
+    if (a) {
+        return;
+    } else {
+        throw 0;
+    }
+} catch (err) {
+    b();
+} finally {
+    c();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_3[label="BlockStatement\nReturnStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nIfStatement:exit\nBlockStatement:exit"];
+    s1_8[label="CatchClause\nIdentifier (err)\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (b)"];
+    s1_10[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (c)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_5[label="BlockStatement\nThrowStatement\nLiteral (0)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_11[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (c)"];
+    initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_10;
+    s1_1->s1_5->s1_6->s1_7;
+    s1_3->s1_11;
+    s1_7->s1_10;
+    s1_8->s1_11;
+    s1_1->s1_8;
+    s1_5->s1_8;
+    s1_11->final;
+    s1_10->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-finally-1.js b/eslint/tests/fixtures/code-path-analysis/try--try-finally-1.js
new file mode 100644
index 0000000..dcaa74d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-finally-1.js
@@ -0,0 +1,33 @@
+/*expected
+initial->s1_1->s1_2->s1_3;
+s1_1->s1_4;
+s1_2->s1_4;
+s1_3->final;
+s1_4->thrown;
+*/
+
+try {
+    foo();
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_2[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3;
+    s1_1->s1_4;
+    s1_2->s1_4;
+    s1_3->final;
+    s1_4->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-finally-2.js b/eslint/tests/fixtures/code-path-analysis/try--try-finally-2.js
new file mode 100644
index 0000000..4855967
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-finally-2.js
@@ -0,0 +1,29 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_2->s1_3;
+s1_1->s1_4;
+s1_2->s1_4->final;
+*/
+
+try {
+    return;
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nReturnStatement"];
+    s1_2[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_4[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3;
+    s1_1->s1_4;
+    s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-finally-3.js b/eslint/tests/fixtures/code-path-analysis/try--try-finally-3.js
new file mode 100644
index 0000000..b141013
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-finally-3.js
@@ -0,0 +1,31 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4;
+s1_1->s1_5;
+s1_2->s1_5;
+s1_3->s1_5->thrown;
+*/
+
+try {
+    throw err;
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_2[label="ThrowStatement:exit"];
+    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4;
+    s1_1->s1_5;
+    s1_2->s1_5;
+    s1_3->s1_5->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-finally-4.js b/eslint/tests/fixtures/code-path-analysis/try--try-finally-4.js
new file mode 100644
index 0000000..8fb73a3
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-finally-4.js
@@ -0,0 +1,60 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_11->s1_14;
+s1_1->s1_5->s1_6->s1_7;
+s1_3->s1_9->s1_12->s1_15;
+s1_7->s1_9;
+s1_8->s1_15;
+s1_11->s1_15;
+s1_1->s1_9;
+s1_5->s1_9->s1_15->final;
+s1_15->thrown;
+*/
+
+try {
+    try {
+        if (a) {
+            return;
+        } else {
+            throw err;
+        }
+    } finally {
+        foo();
+    }
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nTryStatement\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_3[label="BlockStatement\nReturnStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nIfStatement:exit\nBlockStatement:exit"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_11[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nCallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit\nTryStatement
+    :exit\nBlockStatement:exit"];
+    s1_14[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressio
+    nStatement\nCallExpression\nIdentifier (last)"];
+    s1_5[label="BlockStatement\nThrowStatement\nIdentifier (err)"];
+    s1_6[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_9[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_12[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_15[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_3->s1_4->s1_7->s1_8->s1_11->s1_14;
+    s1_1->s1_5->s1_6->s1_7;
+    s1_3->s1_9->s1_12->s1_15;
+    s1_7->s1_9;
+    s1_8->s1_15;
+    s1_11->s1_15;
+    s1_1->s1_9;
+    s1_5->s1_9->s1_15->final;
+    s1_15->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-finally-5.js b/eslint/tests/fixtures/code-path-analysis/try--try-finally-5.js
new file mode 100644
index 0000000..0081ed8
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-finally-5.js
@@ -0,0 +1,55 @@
+/*eslint-env node*/
+/*expected
+initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_9->s1_11;
+s1_1->s1_5;
+s1_3->s1_7->s1_10->s1_12;
+s1_5->s1_7;
+s1_6->s1_12;
+s1_9->s1_12;
+s1_1->s1_7->s1_12->final;
+s1_11->final;
+s1_12->thrown;
+*/
+
+try {
+    try {
+        if (a) {
+            return;
+        }
+        abc();
+    } finally {
+        foo();
+    }
+} finally {
+    bar();
+}
+
+last();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nTryStatement\nBlockStatement\nIfStatement\nIdentifier (a)"];
+    s1_3[label="BlockStatement\nReturnStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (abc)"];
+    s1_6[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_9[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit\nTryStatement:exit\nBlockStatement:exit"];
+    s1_11[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (last)"];
+    s1_7[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_10[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+    s1_12[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_3->s1_4->s1_5->s1_6->s1_9->s1_11;
+    s1_1->s1_5;
+    s1_3->s1_7->s1_10->s1_12;
+    s1_5->s1_7;
+    s1_6->s1_12;
+    s1_9->s1_12;
+    s1_1->s1_7->s1_12->final;
+    s1_11->final;
+    s1_12->thrown;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-1.js b/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-1.js
new file mode 100644
index 0000000..d3550c4
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-1.js
@@ -0,0 +1,33 @@
+/*expected
+initial->s1_1->s1_3->s1_2->s1_5->s1_2;
+s1_3->s1_6->s1_7->s1_8;
+s1_5->s1_6;
+s1_3->s1_7;
+s1_6->s1_8->final;
+*/
+
+try {
+    for (let x of xs) {
+    }
+} catch (err) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nForOfStatement"];
+    s1_3[label="Identifier (xs)\nIdentifier:exit (xs)"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (x)\nIdentifier:exit (x)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_5[label="BlockStatement\nBlockStatement:exit"];
+    s1_6[label="ForOfStatement:exit\nBlockStatement:exit"];
+    s1_7[label="CatchClause\nIdentifier (err)\nBlockStatement\nIdentifier:exit (err)\nBlockStatement:exit\nCatchClause:exit"];
+    s1_8[label="TryStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_3->s1_2->s1_5->s1_2;
+    s1_3->s1_6->s1_7->s1_8;
+    s1_5->s1_6;
+    s1_3->s1_7;
+    s1_6->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-2.js b/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-2.js
new file mode 100644
index 0000000..3a03238
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/try--try-with-for-inof-2.js
@@ -0,0 +1,32 @@
+/*expected
+initial->s1_1->s1_3->s1_4->s1_2->s1_5->s1_2;
+s1_3->s1_7->s1_8;
+s1_4->s1_6->s1_7;
+s1_5->s1_6->s1_8->final;
+*/
+
+try {
+    for (let x of obj.xs) {
+    }
+} catch (err) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nTryStatement\nBlockStatement\nForOfStatement"];
+    s1_3[label="MemberExpression\nIdentifier (obj)\nIdentifier:exit (obj)"];
+    s1_4[label="Identifier (xs)\nIdentifier:exit (xs)\nMemberExpression:exit"];
+    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (x)\nIdentifier:exit (x)\nVariableDeclarator:exit\nVariableDeclaration:exit"];
+    s1_5[label="BlockStatement\nBlockStatement:exit"];
+    s1_7[label="CatchClause\nIdentifier (err)\nBlockStatement\nIdentifier:exit (err)\nBlockStatement:exit\nCatchClause:exit"];
+    s1_8[label="TryStatement:exit\nProgram:exit"];
+    s1_6[label="ForOfStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_3->s1_4->s1_2->s1_5->s1_2;
+    s1_3->s1_7->s1_8;
+    s1_4->s1_6->s1_7;
+    s1_5->s1_6->s1_8->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/unreachable-controls.js b/eslint/tests/fixtures/code-path-analysis/unreachable-controls.js
new file mode 100644
index 0000000..ddf8f52
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/unreachable-controls.js
@@ -0,0 +1,42 @@
+/*expected
+initial->s2_1->s2_2->s2_3->s2_4->s2_3;
+s2_4->s2_5;
+s2_1->final;
+*/
+/*expected
+initial->s1_1->final;
+*/
+function foo() {
+    return;
+
+    // Unreachable control statements.
+    return;
+    throw new Error();
+    while (true) {
+        continue;
+        break;
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s2_1[label="FunctionDeclaration\nIdentifier (foo)\nBlockStatement\nReturnStatement"];
+    s2_2[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nReturnStatement\nThrowStatement\nNewExpression\nIdentifier (Error)\nWhileStatement"];
+    s2_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nLiteral (true)"];
+    s2_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement\nContinueStatement\nBreakStatement"];
+    s2_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nWhileStatement:exit\nBlockStatement:exit\nFunctionDeclaration:exit"];
+    initial->s2_1->s2_2->s2_3->s2_4->s2_3;
+    s2_4->s2_5;
+    s2_1->final;
+}
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nFunctionDeclaration"];
+    initial->s1_1->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--break-always.js b/eslint/tests/fixtures/code-path-analysis/while--break-always.js
new file mode 100644
index 0000000..4908d82
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--break-always.js
@@ -0,0 +1,23 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+s1_3->s1_5->final;
+*/
+while (a) {
+    foo();
+    break;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_5[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5;
+    s1_3->s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--break-label.js b/eslint/tests/fixtures/code-path-analysis/while--break-label.js
new file mode 100644
index 0000000..93fc581
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--break-label.js
@@ -0,0 +1,50 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_11->s1_4;
+s1_2->s1_13;
+s1_4->s1_12->s1_2;
+s1_5->s1_8;
+s1_6->s1_13;
+s1_8->s1_11;
+s1_9->s1_12;
+s1_13->final;
+*/
+A: while (a) {
+    B: while (b) {
+        if (c) {
+            break A;
+        }
+        if (d) {
+            break B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nWhileStatement"];
+    s1_4[label="Identifier (b)"];
+    s1_5[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_6[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_8[label="IfStatement\nIdentifier (d)"];
+    s1_9[label="BlockStatement\nBreakStatement\nIdentifier (B)"];
+    s1_10[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_11[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_13[label="WhileStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_12[label="WhileStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_11->s1_4;
+    s1_2->s1_13;
+    s1_4->s1_12->s1_2;
+    s1_5->s1_8;
+    s1_6->s1_13;
+    s1_8->s1_11;
+    s1_9->s1_12;
+    s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--break-nest-2.js b/eslint/tests/fixtures/code-path-analysis/while--break-nest-2.js
new file mode 100644
index 0000000..522bf8d
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--break-nest-2.js
@@ -0,0 +1,46 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_2->s1_11;
+s1_3->s1_6;
+s1_4->s1_11;
+s1_6->s1_9;
+s1_7->s1_10;
+s1_11->final;
+*/
+while (a) {
+    A: {
+        if (b) {
+            break;
+        }
+        if (c) {
+            break A;
+        }
+        foo();
+    }
+}
+
+bar();
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nLabeledStatement\nIdentifier (A)\nBlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="IfStatement\nIdentifier (c)"];
+    s1_7[label="BlockStatement\nBreakStatement\nIdentifier (A)"];
+    s1_8[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_9[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_10[label="LabeledStatement:exit\nBlockStatement:exit"];
+    s1_11[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_9->s1_10->s1_2->s1_11;
+    s1_3->s1_6;
+    s1_4->s1_11;
+    s1_6->s1_9;
+    s1_7->s1_10;
+    s1_11->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--break-nest.js b/eslint/tests/fixtures/code-path-analysis/while--break-nest.js
new file mode 100644
index 0000000..d13d1e3
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--break-nest.js
@@ -0,0 +1,40 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_4;
+s1_2->s1_10;
+s1_4->s1_9->s1_2;
+s1_5->s1_8;
+s1_6->s1_9;
+s1_10->final;
+*/
+while (a) {
+    while (b) {
+        if (c) {
+            break;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nWhileStatement"];
+    s1_4[label="Identifier (b)"];
+    s1_5[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_6[label="BlockStatement\nBreakStatement"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_8[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_10[label="WhileStatement:exit\nProgram:exit"];
+    s1_9[label="WhileStatement:exit\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_7->s1_8->s1_4;
+    s1_2->s1_10;
+    s1_4->s1_9->s1_2;
+    s1_5->s1_8;
+    s1_6->s1_9;
+    s1_10->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--break-simple.js b/eslint/tests/fixtures/code-path-analysis/while--break-simple.js
new file mode 100644
index 0000000..1c639c6
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--break-simple.js
@@ -0,0 +1,29 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+s1_3->s1_6;
+s1_4->s1_7->final;
+*/
+while (a) {
+    if (b) {
+        break;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nBreakStatement"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_7;
+    s1_3->s1_6;
+    s1_4->s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--continue-always.js b/eslint/tests/fixtures/code-path-analysis/while--continue-always.js
new file mode 100644
index 0000000..3058cb1
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--continue-always.js
@@ -0,0 +1,25 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_5;
+s1_3->s1_4->s1_2;
+s1_5->final;
+*/
+while (a) {
+    foo();
+    continue;
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)\nContinueStatement"];
+    s1_5[label="WhileStatement:exit\nProgram:exit"];
+    s1_4[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_5;
+    s1_3->s1_4->s1_2;
+    s1_5->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--continue-label.js b/eslint/tests/fixtures/code-path-analysis/while--continue-label.js
new file mode 100644
index 0000000..68f1ee6
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--continue-label.js
@@ -0,0 +1,46 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_13;
+s1_4->s1_12->s1_2;
+s1_5->s1_8->s1_9->s1_4;
+s1_6->s1_7->s1_8->s1_11->s1_4;
+s1_9->s1_10->s1_11;
+s1_13->final;
+*/
+A: while (a) {
+    B: while (b) {
+        if (c) {
+            continue A;
+        }
+        if (d) {
+            continue B;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nLabeledStatement\nIdentifier (A)\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nLabeledStatement\nIdentifier (B)\nWhileStatement"];
+    s1_4[label="Identifier (b)"];
+    s1_5[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_6[label="BlockStatement\nContinueStatement\nIdentifier (A)"];
+    s1_13[label="WhileStatement:exit\nLabeledStatement:exit\nProgram:exit"];
+    s1_12[label="WhileStatement:exit\nLabeledStatement:exit\nBlockStatement:exit"];
+    s1_8[label="IfStatement\nIdentifier (d)"];
+    s1_9[label="BlockStatement\nContinueStatement\nIdentifier (B)"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    s1_11[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_10[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_2->s1_13;
+    s1_4->s1_12->s1_2;
+    s1_5->s1_8->s1_9->s1_4;
+    s1_6->s1_7->s1_8->s1_11->s1_4;
+    s1_9->s1_10->s1_11;
+    s1_13->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--continue-nest.js b/eslint/tests/fixtures/code-path-analysis/while--continue-nest.js
new file mode 100644
index 0000000..2c8f48e
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--continue-nest.js
@@ -0,0 +1,40 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_4;
+s1_2->s1_10;
+s1_4->s1_9->s1_2;
+s1_5->s1_8->s1_4;
+s1_6->s1_7->s1_8;
+s1_10->final;
+*/
+while (a) {
+    while (b) {
+        if (c) {
+            continue;
+        }
+        foo();
+    }
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nWhileStatement"];
+    s1_4[label="Identifier (b)"];
+    s1_5[label="BlockStatement\nIfStatement\nIdentifier (c)"];
+    s1_6[label="BlockStatement\nContinueStatement"];
+    s1_10[label="WhileStatement:exit\nProgram:exit"];
+    s1_9[label="WhileStatement:exit\nBlockStatement:exit"];
+    s1_8[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_7[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_6->s1_4;
+    s1_2->s1_10;
+    s1_4->s1_9->s1_2;
+    s1_5->s1_8->s1_4;
+    s1_6->s1_7->s1_8;
+    s1_10->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--continue-simple.js b/eslint/tests/fixtures/code-path-analysis/while--continue-simple.js
new file mode 100644
index 0000000..fba25d2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--continue-simple.js
@@ -0,0 +1,31 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_7;
+s1_3->s1_6->s1_2;
+s1_4->s1_5->s1_6;
+s1_7->final;
+*/
+while (a) {
+    if (b) {
+        continue;
+    }
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+    s1_4[label="BlockStatement\nContinueStatement"];
+    s1_7[label="WhileStatement:exit\nProgram:exit"];
+    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_5[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nBlockStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_7;
+    s1_3->s1_6->s1_2;
+    s1_4->s1_5->s1_6;
+    s1_7->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--direct-nest.js b/eslint/tests/fixtures/code-path-analysis/while--direct-nest.js
new file mode 100644
index 0000000..52bfc53
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--direct-nest.js
@@ -0,0 +1,28 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_4;
+s1_2->s1_7;
+s1_4->s1_6->s1_2;
+s1_7->final;
+*/
+while (a)
+    while (b)
+        foo
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)\nIdentifier:exit (a)"];
+    s1_3[label="WhileStatement"];
+    s1_4[label="Identifier (b)\nIdentifier:exit (b)"];
+    s1_5[label="ExpressionStatement\nIdentifier (foo)\nIdentifier:exit (foo)\nExpressionStatement:exit"];
+    s1_7[label="WhileStatement:exit\nProgram:exit"];
+    s1_6[label="WhileStatement:exit"];
+    initial->s1_1->s1_2->s1_3->s1_4->s1_5->s1_4;
+    s1_2->s1_7;
+    s1_4->s1_6->s1_2;
+    s1_7->final;
+} 
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--empty.js b/eslint/tests/fixtures/code-path-analysis/while--empty.js
new file mode 100644
index 0000000..e65a3a7
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--empty.js
@@ -0,0 +1,18 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+*/
+while (a) {
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement"];
+    s1_4[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/code-path-analysis/while--simple.js b/eslint/tests/fixtures/code-path-analysis/while--simple.js
new file mode 100644
index 0000000..5e15ec2
--- /dev/null
+++ b/eslint/tests/fixtures/code-path-analysis/while--simple.js
@@ -0,0 +1,19 @@
+/*expected
+initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+*/
+while (a) {
+    foo();
+}
+
+/*DOT
+digraph {
+    node[shape=box,style="rounded,filled",fillcolor=white];
+    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+    s1_1[label="Program\nWhileStatement"];
+    s1_2[label="Identifier (a)"];
+    s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+    s1_4[label="WhileStatement:exit\nProgram:exit"];
+    initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+}
+*/
diff --git a/eslint/tests/fixtures/config-extends/.eslintrc b/eslint/tests/fixtures/config-extends/.eslintrc
new file mode 100644
index 0000000..146ebff
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "./subdir/.eslintrc",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/array/.eslintrc b/eslint/tests/fixtures/config-extends/array/.eslintrc
new file mode 100644
index 0000000..6221f67
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/array/.eslintrc
@@ -0,0 +1,14 @@
+{
+    "extends": [
+        ".eslintrc1",
+        ".eslintrc2"
+    ],
+
+    "rules": {
+        "no-empty": 1
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/array/.eslintrc1 b/eslint/tests/fixtures/config-extends/array/.eslintrc1
new file mode 100644
index 0000000..2ba38c7
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/array/.eslintrc1
@@ -0,0 +1,12 @@
+{
+    "rules": {
+        "comma-dangle": 1,
+        "no-console": 2,
+        "no-empty": 2
+    },
+
+    "env": {
+        "browser": true,
+        "node": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/array/.eslintrc2 b/eslint/tests/fixtures/config-extends/array/.eslintrc2
new file mode 100644
index 0000000..ef20485
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/array/.eslintrc2
@@ -0,0 +1,9 @@
+{
+    "rules": {
+        "comma-dangle": 2
+    },
+
+    "env": {
+        "es6": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/deep.json b/eslint/tests/fixtures/config-extends/deep.json
new file mode 100644
index 0000000..c61c972
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/deep.json
@@ -0,0 +1,11 @@
+{
+    "rules": {
+        "yoda": 2
+    },
+
+    "env": {
+        "browser": true
+    },
+
+    "extends": "./subdir/subsubdir/deeper.json"
+}
diff --git a/eslint/tests/fixtures/config-extends/error.json b/eslint/tests/fixtures/config-extends/error.json
new file mode 100644
index 0000000..c397950
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/error.json
@@ -0,0 +1,3 @@
+{
+    "extends": "./non-existant.json"
+}
diff --git a/eslint/tests/fixtures/config-extends/js/.eslintrc b/eslint/tests/fixtures/config-extends/js/.eslintrc
new file mode 100644
index 0000000..5705d5a
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/js/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "./foo.js",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/package.json b/eslint/tests/fixtures/config-extends/package.json
new file mode 100644
index 0000000..08c1d67
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package.json
@@ -0,0 +1,7 @@
+{
+    "name": "test",
+    "version": "0.1.1",
+    "eslintConfig": {
+        "extends": "./subdir/.eslintrc"
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/package/.eslintrc b/eslint/tests/fixtures/config-extends/package/.eslintrc
new file mode 100644
index 0000000..b6e5a51
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "eslint-config-foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/package2/.eslintrc b/eslint/tests/fixtures/config-extends/package2/.eslintrc
new file mode 100644
index 0000000..a826699
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package2/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/package2/subdir/foo.js b/eslint/tests/fixtures/config-extends/package2/subdir/foo.js
new file mode 100644
index 0000000..f688910
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package2/subdir/foo.js
@@ -0,0 +1 @@
+var a = 1;
diff --git a/eslint/tests/fixtures/config-extends/package3/.eslintrc b/eslint/tests/fixtures/config-extends/package3/.eslintrc
new file mode 100644
index 0000000..78acea9
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package3/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "foo/bar",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/package4/.eslintrc b/eslint/tests/fixtures/config-extends/package4/.eslintrc
new file mode 100644
index 0000000..f4716a4
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/package4/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "bar-eslint-config-foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json b/eslint/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json
new file mode 100644
index 0000000..b77cef2
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "extends": "a"
+}
diff --git a/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js b/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js
new file mode 100644
index 0000000..95d0e98
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js
@@ -0,0 +1,8 @@
+"use strict";
+
+module.exports = {
+    extends: "b",
+    rules: {
+        a: 2
+    }
+};
diff --git a/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js b/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js
new file mode 100644
index 0000000..26a2613
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+    rules: {
+        b: 2
+    }
+};
diff --git a/eslint/tests/fixtures/config-extends/scoped-package/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package/.eslintrc
new file mode 100644
index 0000000..8c7d034
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/eslint-config-foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package2/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package2/.eslintrc
new file mode 100644
index 0000000..6bd8b24
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package2/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package3/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package3/.eslintrc
new file mode 100644
index 0000000..c5a386d
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package3/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/foo/bar",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package3/foo.js b/eslint/tests/fixtures/config-extends/scoped-package3/foo.js
new file mode 100644
index 0000000..f688910
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package3/foo.js
@@ -0,0 +1 @@
+var a = 1;
diff --git a/eslint/tests/fixtures/config-extends/scoped-package4/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package4/.eslintrc
new file mode 100644
index 0000000..de61a98
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package4/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/eslint-config",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package5/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package5/.eslintrc
new file mode 100644
index 0000000..46a9902
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package5/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package6/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package6/.eslintrc
new file mode 100644
index 0000000..574a1a3
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package6/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package7/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package7/.eslintrc
new file mode 100644
index 0000000..24a951a
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package7/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/eslint-configfoo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package8/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package8/.eslintrc
new file mode 100644
index 0000000..c410ed4
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package8/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/bar-eslint-config-foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/scoped-package9/.eslintrc b/eslint/tests/fixtures/config-extends/scoped-package9/.eslintrc
new file mode 100644
index 0000000..ab84039
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/scoped-package9/.eslintrc
@@ -0,0 +1,12 @@
+{
+    "extends": "@scope/eslint-config/foo",
+
+    "rules": {
+        "quotes": [2, "double"],
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/subdir/.eslintrc b/eslint/tests/fixtures/config-extends/subdir/.eslintrc
new file mode 100644
index 0000000..b98d291
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/subdir/.eslintrc
@@ -0,0 +1,10 @@
+{
+    "rules": {
+        "quotes": [1, "single"],
+        "yoda": 2
+    },
+
+    "env": {
+        "browser": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-extends/subdir/subsubdir/deeper.json b/eslint/tests/fixtures/config-extends/subdir/subsubdir/deeper.json
new file mode 100644
index 0000000..d904f4a
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/subdir/subsubdir/deeper.json
@@ -0,0 +1,11 @@
+{
+    "rules": {
+        "semi": 2
+    },
+
+    "env": {
+        "browser": false
+    },
+
+    "extends": "./subsubsubdir/deepest.json"
+}
diff --git a/eslint/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json b/eslint/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json
new file mode 100644
index 0000000..70dc7ee
--- /dev/null
+++ b/eslint/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json
@@ -0,0 +1,10 @@
+{
+    "rules": {
+        "semi": 1,
+        "valid-jsdoc": 0
+    },
+
+    "env": {
+        "browser": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/bom/.eslintrc.json b/eslint/tests/fixtures/config-file/bom/.eslintrc.json
new file mode 100644
index 0000000..2859c9d
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/bom/.eslintrc.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "semi": "error"
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/bom/.eslintrc.yaml b/eslint/tests/fixtures/config-file/bom/.eslintrc.yaml
new file mode 100644
index 0000000..2072ea5
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/bom/.eslintrc.yaml
@@ -0,0 +1,2 @@
+rules:
+    semi: error
diff --git a/eslint/tests/fixtures/config-file/bom/package.json b/eslint/tests/fixtures/config-file/bom/package.json
new file mode 100644
index 0000000..aa37372
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/bom/package.json
@@ -0,0 +1,10 @@
+{
+    "private": true,
+    "name": "eslint-test",
+    "version": "0.0.0",
+    "eslintConfig": {
+        "rules": {
+            "semi": "error"
+        }
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/broken-package-json/package.json b/eslint/tests/fixtures/config-file/broken-package-json/package.json
new file mode 100644
index 0000000..16a5437
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/broken-package-json/package.json
@@ -0,0 +1,6 @@
+{
+    "eslintConfig": {
+        "env": {
+            "es6": true
+        }
+    }
diff --git a/eslint/tests/fixtures/config-file/cjs/.eslintrc.cjs b/eslint/tests/fixtures/config-file/cjs/.eslintrc.cjs
new file mode 100644
index 0000000..b310059
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/cjs/.eslintrc.cjs
@@ -0,0 +1,5 @@
+module.exports = {
+    rules: {
+        semi: [2, "always"]
+    }
+};
diff --git a/eslint/tests/fixtures/config-file/ecma-features/.eslintrc.yml b/eslint/tests/fixtures/config-file/ecma-features/.eslintrc.yml
new file mode 100644
index 0000000..c8538f3
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/ecma-features/.eslintrc.yml
@@ -0,0 +1 @@
+ecmaFeatures: {}
diff --git a/eslint/tests/fixtures/config-file/extends-chain-2/.eslintrc.json b/eslint/tests/fixtures/config-file/extends-chain-2/.eslintrc.json
new file mode 100644
index 0000000..b77cef2
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends-chain-2/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "extends": "a"
+}
diff --git a/eslint/tests/fixtures/config-file/extends-chain-2/parser.eslintrc.json b/eslint/tests/fixtures/config-file/extends-chain-2/parser.eslintrc.json
new file mode 100644
index 0000000..649fbc6
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends-chain-2/parser.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "parser": "./parser.js"
+}
diff --git a/eslint/tests/fixtures/config-file/extends-chain-2/parser.js b/eslint/tests/fixtures/config-file/extends-chain-2/parser.js
new file mode 100644
index 0000000..7df9df8
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends-chain-2/parser.js
@@ -0,0 +1,5 @@
+"use strict"
+
+module.exports = {
+    parse() {}
+}
diff --git a/eslint/tests/fixtures/config-file/extends-chain-2/relative.eslintrc.json b/eslint/tests/fixtures/config-file/extends-chain-2/relative.eslintrc.json
new file mode 100644
index 0000000..ad711c3
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends-chain-2/relative.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "extends": "./node_modules/eslint-config-a/index.js"
+}
diff --git a/eslint/tests/fixtures/config-file/extends-chain/.eslintrc.json b/eslint/tests/fixtures/config-file/extends-chain/.eslintrc.json
new file mode 100644
index 0000000..b77cef2
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends-chain/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "extends": "a"
+}
diff --git a/eslint/tests/fixtures/config-file/extends/.eslintrc.yml b/eslint/tests/fixtures/config-file/extends/.eslintrc.yml
new file mode 100644
index 0000000..883e4a6
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/extends/.eslintrc.yml
@@ -0,0 +1,3 @@
+extends: ../package-json/package.json
+rules:
+    booya: 2
diff --git a/eslint/tests/fixtures/config-file/invalid/invalid-top-level-property.yml b/eslint/tests/fixtures/config-file/invalid/invalid-top-level-property.yml
new file mode 100644
index 0000000..7ea8ce7
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/invalid/invalid-top-level-property.yml
@@ -0,0 +1 @@
+invalidProperty: 3
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc b/eslint/tests/fixtures/config-file/js/.eslintrc
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc.broken.js b/eslint/tests/fixtures/config-file/js/.eslintrc.broken.js
new file mode 100644
index 0000000..2e926d4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc.broken.js
@@ -0,0 +1,5 @@
+module.exports = {
+    rules: {
+        semi: [2, "always"]
+    }
+
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc.js b/eslint/tests/fixtures/config-file/js/.eslintrc.js
new file mode 100644
index 0000000..b310059
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc.js
@@ -0,0 +1,5 @@
+module.exports = {
+    rules: {
+        semi: [2, "always"]
+    }
+};
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc.parser.js b/eslint/tests/fixtures/config-file/js/.eslintrc.parser.js
new file mode 100644
index 0000000..6625b03
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc.parser.js
@@ -0,0 +1,6 @@
+module.exports = {
+    parser: "foo",
+    rules: {
+        semi: [2, "always"]
+    }
+};
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc.parser2.js b/eslint/tests/fixtures/config-file/js/.eslintrc.parser2.js
new file mode 100644
index 0000000..4ee320b
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc.parser2.js
@@ -0,0 +1,6 @@
+module.exports = {
+    parser: "./not-a-config.js",
+    rules: {
+        semi: [2, "always"]
+    }
+};
diff --git a/eslint/tests/fixtures/config-file/js/.eslintrc.parser3.js b/eslint/tests/fixtures/config-file/js/.eslintrc.parser3.js
new file mode 100644
index 0000000..9324e00
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/.eslintrc.parser3.js
@@ -0,0 +1,6 @@
+module.exports = {
+    parser: "espree",
+    rules: {
+        semi: [2, "always"]
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/js/node_modules/foo/index.js b/eslint/tests/fixtures/config-file/js/node_modules/foo/index.js
new file mode 100644
index 0000000..3918c74
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/node_modules/foo/index.js
@@ -0,0 +1 @@
+"use strict";
diff --git a/eslint/tests/fixtures/config-file/js/not-a-config.js b/eslint/tests/fixtures/config-file/js/not-a-config.js
new file mode 100644
index 0000000..5664ceb
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/js/not-a-config.js
@@ -0,0 +1 @@
+"not a config";
diff --git a/eslint/tests/fixtures/config-file/json/.eslintrc b/eslint/tests/fixtures/config-file/json/.eslintrc
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/json/.eslintrc
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/json/.eslintrc.json b/eslint/tests/fixtures/config-file/json/.eslintrc.json
new file mode 100644
index 0000000..ae6226c
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/json/.eslintrc.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "quotes": [2, "double"]
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/legacy/.eslintrc b/eslint/tests/fixtures/config-file/legacy/.eslintrc
new file mode 100644
index 0000000..457c267
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/legacy/.eslintrc
@@ -0,0 +1,5 @@
+{
+    rules: {
+        eqeqeq: 2
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/package-json/package.json b/eslint/tests/fixtures/config-file/package-json/package.json
new file mode 100644
index 0000000..1e0e179
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/package-json/package.json
@@ -0,0 +1,7 @@
+{
+    "eslintConfig": {
+        "env": {
+            "es6": true
+        }
+    }
+}
diff --git a/eslint/tests/fixtures/config-file/plugins/.eslintrc.yml b/eslint/tests/fixtures/config-file/plugins/.eslintrc.yml
new file mode 100644
index 0000000..18addbd
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/plugins/.eslintrc.yml
@@ -0,0 +1,8 @@
+plugins:
+    - with-environment
+
+rules:
+    with-environment/foo: 2
+
+env:
+    with-environment/bar: true
diff --git a/eslint/tests/fixtures/config-file/plugins/.eslintrc2.yml b/eslint/tests/fixtures/config-file/plugins/.eslintrc2.yml
new file mode 100644
index 0000000..dc46e93
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/plugins/.eslintrc2.yml
@@ -0,0 +1,3 @@
+extends:
+    - plugin:with-two-configs/foo
+    - plugin:with-two-configs/bar
diff --git a/eslint/tests/fixtures/config-file/yaml/.eslintrc b/eslint/tests/fixtures/config-file/yaml/.eslintrc
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yaml/.eslintrc
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/yaml/.eslintrc.empty.yaml b/eslint/tests/fixtures/config-file/yaml/.eslintrc.empty.yaml
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yaml/.eslintrc.empty.yaml
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/yaml/.eslintrc.yaml b/eslint/tests/fixtures/config-file/yaml/.eslintrc.yaml
new file mode 100644
index 0000000..223ba3b
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yaml/.eslintrc.yaml
@@ -0,0 +1,2 @@
+env:
+    browser: true
diff --git a/eslint/tests/fixtures/config-file/yaml/.eslintrc.yml b/eslint/tests/fixtures/config-file/yaml/.eslintrc.yml
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yaml/.eslintrc.yml
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/yml/.eslintrc b/eslint/tests/fixtures/config-file/yml/.eslintrc
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yml/.eslintrc
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-file/yml/.eslintrc.yml b/eslint/tests/fixtures/config-file/yml/.eslintrc.yml
new file mode 100644
index 0000000..485e585
--- /dev/null
+++ b/eslint/tests/fixtures/config-file/yml/.eslintrc.yml
@@ -0,0 +1,2 @@
+env:
+    node: true
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/.eslintrc b/eslint/tests/fixtures/config-hierarchy/broken/.eslintrc
new file mode 100644
index 0000000..e76fc11
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/.eslintrc
@@ -0,0 +1,4 @@
+env: 
+    node: true
+rules:
+    quotes: [2, "double"]
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/add-conf.yaml b/eslint/tests/fixtures/config-hierarchy/broken/add-conf.yaml
new file mode 100644
index 0000000..8d16626
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/add-conf.yaml
@@ -0,0 +1,2 @@
+rules:
+    semi: [1, "never"]
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes-node.js b/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes-node.js
new file mode 100644
index 0000000..c748f03
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes-node.js
@@ -0,0 +1,4 @@
+
+/*eslint-env node*/
+
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/console-wrong-quotes.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/override-conf.yaml b/eslint/tests/fixtures/config-hierarchy/broken/override-conf.yaml
new file mode 100644
index 0000000..54039c9
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/override-conf.yaml
@@ -0,0 +1,2 @@
+rules:
+    quotes: 0
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/override-env-conf.yaml b/eslint/tests/fixtures/config-hierarchy/broken/override-env-conf.yaml
new file mode 100644
index 0000000..9f3c687
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/override-env-conf.yaml
@@ -0,0 +1,5 @@
+extends: "eslint:recommended"
+env:
+    node: true
+rules:
+    no-mixed-requires: 0
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/package.json b/eslint/tests/fixtures/config-hierarchy/broken/package.json
new file mode 100644
index 0000000..626705b
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {}
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/plugins/.eslintrc b/eslint/tests/fixtures/config-hierarchy/broken/plugins/.eslintrc
new file mode 100644
index 0000000..2ccaa4a
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/plugins/.eslintrc
@@ -0,0 +1,3 @@
+plugins: 
+    ["example"]
+    
\ No newline at end of file
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/plugins/console-wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/plugins/console-wrong-quotes.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/plugins/console-wrong-quotes.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/plugins2/.eslintrc b/eslint/tests/fixtures/config-hierarchy/broken/plugins2/.eslintrc
new file mode 100644
index 0000000..ff89734
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/plugins2/.eslintrc
@@ -0,0 +1,3 @@
+plugins: 
+    ["example", "eslint-plugin-test"]
+    
\ No newline at end of file
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/plugins2/console-wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/plugins2/console-wrong-quotes.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/plugins2/console-wrong-quotes.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/process-exit.js b/eslint/tests/fixtures/config-hierarchy/broken/process-exit.js
new file mode 100644
index 0000000..dcbbff6
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/process-exit.js
@@ -0,0 +1 @@
+process.exit(0);
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/subbroken/.eslintrc b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/.eslintrc
new file mode 100644
index 0000000..70f7e25
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/.eslintrc
@@ -0,0 +1,3 @@
+rules:
+    no-console: 1
+    quotes: [2, "single"]
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/subbroken/console-wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/console-wrong-quotes.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/console-wrong-quotes.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/.eslintrc b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/.eslintrc
new file mode 100644
index 0000000..0862858
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/.eslintrc
@@ -0,0 +1,3 @@
+rules:
+    no-console: 0
+    quotes: [1, "double"]
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/console-wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/console-wrong-quotes.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/subbroken/subsubbroken/console-wrong-quotes.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/broken/wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/broken/wrong-quotes.js
new file mode 100644
index 0000000..b43c4b6
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/broken/wrong-quotes.js
@@ -0,0 +1,7 @@
+// function is necessary to avoid any other errors
+function foo(bar) {
+    "use strict";
+    return bar;
+}
+
+foo('bar');
diff --git a/eslint/tests/fixtures/config-hierarchy/envs/.eslintrc.json b/eslint/tests/fixtures/config-hierarchy/envs/.eslintrc.json
new file mode 100644
index 0000000..f6ab3d1
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/envs/.eslintrc.json
@@ -0,0 +1,4 @@
+{
+  "root": true,
+  "env": { "node": true }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/envs/sub/.eslintrc.json b/eslint/tests/fixtures/config-hierarchy/envs/sub/.eslintrc.json
new file mode 100644
index 0000000..035fcde
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/envs/sub/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+  "env": { "node": false, "browser": true }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/envs/sub/foo.js b/eslint/tests/fixtures/config-hierarchy/envs/sub/foo.js
new file mode 100644
index 0000000..e901f01
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/envs/sub/foo.js
@@ -0,0 +1 @@
+foo;
diff --git a/eslint/tests/fixtures/config-hierarchy/file-structure.json b/eslint/tests/fixtures/config-hierarchy/file-structure.json
new file mode 100644
index 0000000..f840fea
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/file-structure.json
@@ -0,0 +1,116 @@
+{
+    "broken": {
+        ".eslintrc": "env: \r\n    node: true\r\nrules:\r\n    quotes: [2, \"double\"]\r\n",
+        "add-conf.yaml": "rules:\r\n    semi: [1, \"never\"]\r\n",
+        "console-wrong-quotes-node.js": "\r\n/*eslint-env node*/\r\n\r\nconsole.log('bar');\r\n",
+        "console-wrong-quotes.js": "console.log('bar');\r\n",
+        "override-conf.yaml": "rules:\r\n    quotes: 0\r\n",
+        "override-env-conf.yaml": "extends: \"eslint:recommended\"\nenv:\n    node: true\nrules:\n    no-mixed-requires: 0\n",
+        "package.json": "{\r\n  \"name\": \"\",\r\n  \"version\": \"\",\r\n  \"eslintConfig\": {}\r\n}\r\n",
+        "plugins": {
+            ".eslintrc": "plugins: \r\n    [\"example\"]\r\n    ",
+            "console-wrong-quotes.js": "console.log('bar');\r\n"
+        },
+        "plugins2": {
+            ".eslintrc": "plugins: \r\n    [\"example\", \"eslint-plugin-test\"]\r\n    ",
+            "console-wrong-quotes.js": "console.log('bar');\r\n"
+        },
+        "process-exit.js": "process.exit(0);\r\n",
+        "subbroken": {
+            ".eslintrc": "rules:\r\n    no-console: 1\r\n    quotes: [2, \"single\"]\r\n",
+            "console-wrong-quotes.js": "console.log('bar');\r\n",
+            "subsubbroken": {
+                ".eslintrc": "rules:\r\n    no-console: 0\r\n    quotes: [1, \"double\"]\r\n",
+                "console-wrong-quotes.js": "console.log('bar');\r\n"
+            }
+        },
+        "wrong-quotes.js": "// function is necessary to avoid any other errors\r\nfunction foo(bar) {\r\n    \"use strict\";\r\n    return bar;\r\n}\r\n\r\nfoo('bar');\r\n"
+    },
+    "envs": {
+        ".eslintrc.json": "{\n  \"root\": true,\n  \"env\": { \"node\": true }\n}\n",
+        "sub": {
+            ".eslintrc.json": "{\n  \"env\": { \"node\": false, \"browser\": true }\n}\n",
+            "foo.js": "foo;\n"
+        }
+    },
+    "fileexts": {
+        ".eslintrc.js": "module.exports = {\n    rules: {\n        semi: [2, \"always\"]\n    },\n    root: true\n};\n",
+        "subdir": {
+            ".eslintrc.yml": "rules:\n  eqeqeq: 2\n",
+            "subsubdir": {
+                ".eslintrc.json": "{\n    \"env\": {\n        \"browser\": true\n    }\n}\n"
+            }
+        }
+    },
+    "overwrite-ecmaFeatures": {
+        ".eslintrc": "{\n    \"ecmaFeatures\": {\n        \"globalReturn\": false\n    }\n}\n",
+        "child": {
+            ".eslintrc": "{\n    \"env\": {\n        \"commonjs\": true\n    }\n}\n"
+        }
+    },
+    "overrides": {
+        ".eslintrc": "{\n    \"rules\": {\n        \"quotes\": [2, \"double\"],\n        \"no-else-return\": 0,\n        \"no-unused-vars\": 1,\n        \"semi\": [1, \"never\"]\n    },\n    \"overrides\": [\n        {\n            \"files\": \"foo.js\",\n            \"rules\": {\n                \"quotes\": [2, \"single\"]\n            }\n        },\n        {\n            \"files\": \"bar.js\",\n            \"rules\": {\n                \"no-else-return\": 1\n            }\n        },\n        {\n            \"files\": \"**/*one.js\",\n            \"rules\": {\n                \"curly\": [\"error\", \"multi\", \"consistent\"]\n            }\n        },\n        {\n            \"files\": \"two/child-two.js\",\n            \"rules\": {\n                \"no-unused-vars\": 2,\n                \"no-console\": 1\n            }\n        }\n    ]\n}\n",
+        "two": {
+            ".eslintrc": "{\n    \"rules\": {\n        \"semi\": [2, \"never\"]\n    },\n    \"overrides\": [\n        {\n            \"files\": \"child-two.js\",\n            \"rules\": {\n                \"no-console\": 0\n            }\n        }\n    ]\n}\n"
+        }
+    },
+    "packagejson": {
+        ".eslintrc": "rules:\r\n    quotes: [2, \"double\"]\r\n",
+        "package.json": "{\r\n  \"name\": \"\",\r\n  \"version\": \"\",\r\n  \"eslintConfig\": {\r\n    \"rules\": {\r\n      \"quotes\": [1, \"single\"]\r\n    }\r\n  }\r\n}\r\n",
+        "subdir": {
+            "package.json": "{\r\n  \"name\": \"\",\r\n  \"version\": \"\",\r\n  \"eslintConfig\": {\r\n    \"rules\": {\r\n      \"quotes\": [1, \"double\"]\r\n    }\r\n  }\r\n}\r\n",
+            "subsubdir": {
+                "package.json": "{\r\n  \"name\": \"\",\r\n  \"version\": \"\",\r\n  \"eslintConfig\": {\r\n    \"rules\": {\r\n      \"quotes\": [2, \"single\"]\r\n    }\r\n  }\r\n}\r\n",
+                "subsubsubdir": {
+                    "package.json": "{\r\n  \"name\": \"\",\r\n  \"version\": \"\",\r\n  \"eslintConfig\": {\r\n    \"rules\": {\r\n      \"quotes\": [2, \"double\"]\r\n    }\r\n  }\r\n}\r\n",
+                    "wrong-quotes.js": "var str = 'quotes';\r\n"
+                },
+                "wrong-quotes.js": "var str = 'quotes';\r\n"
+            },
+            "wrong-quotes.js": "var str = 'quotes';\r\n"
+        },
+        "wrong-quotes.js": "var str = 'quotes';\r\n"
+    },
+    "personal-config": {
+        "home-folder-with-packagejson": {
+            "package.json": "{\n    \"name\": \"foo\",\n    \"version\": \"1.0.0\"\n}"
+        },
+        "home-folder": {
+            ".eslintrc.json": "{\n    \"rules\": {\n        \"home-folder-rule\": 2\n    }\n}\n",
+            "project": {
+                ".eslintrc": "{\n    \"rules\": {\n        \"project-level-rule\": 2\n    }\n}\n",
+                "package.json": "{}\n"
+            }
+        },
+        "project-with-config": {
+            ".eslintrc": "{\n    \"rules\": {\n        \"project-level-rule\": 2\n    }\n}\n",
+            "package.json": "{}\n",
+            "subfolder": {
+                ".eslintrc": "{\n    \"rules\": {\n        \"subfolder-level-rule\": 2\n    }\n}\n"
+            }
+        },
+        "project-without-config": {
+            "package.json": "{}\n"
+        }
+    },
+    "root-true": {
+        "parent": {
+            ".eslintrc": "{\n    \"rules\": {\n        \"semi\": [2, \"always\"],\n        \"quotes\": [2, \"single\"]\n    },\n    \"extends\": [\n        \"eslint-config-test\"\n    ]\n}\n",
+            "root": {
+                ".eslintrc": "{\n    \"root\": true,\n    \"rules\": {\n        \"semi\": [2, \"never\"]\n    }\n}\n",
+                "wrong-semi.js": "var str = 'quotes'\n"
+            }
+        }
+    },
+    "shared": {
+        "a": {
+            ".eslintrc": "{\r\n  \"extends\": \"example\",\r\n  \"rules\": {\r\n    \"quotes\": [ 2, \"single\" ]\r\n  }\r\n}\r\n",
+            "index.js": ""
+        },
+        "b": {
+            ".eslintrc": "{\r\n  \"extends\": \"example\"\r\n}\r\n",
+            "index.js": ""
+        }
+    },
+    "quotes-error.json": "{\r\n  \"rules\": {\n\"quotes\": [2, \"double\"]\n    }\n}\r\n"
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/fileexts/.eslintrc.js b/eslint/tests/fixtures/config-hierarchy/fileexts/.eslintrc.js
new file mode 100644
index 0000000..afb32b9
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/fileexts/.eslintrc.js
@@ -0,0 +1,6 @@
+module.exports = {
+    rules: {
+        semi: [2, "always"]
+    },
+    root: true
+};
diff --git a/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/.eslintrc.yml b/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/.eslintrc.yml
new file mode 100644
index 0000000..586c0ff
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/.eslintrc.yml
@@ -0,0 +1,2 @@
+rules:
+  eqeqeq: 2
diff --git a/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/subsubdir/.eslintrc.json b/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/subsubdir/.eslintrc.json
new file mode 100644
index 0000000..b99c111
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/fileexts/subdir/subsubdir/.eslintrc.json
@@ -0,0 +1,5 @@
+{
+    "env": {
+        "browser": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/.eslintrc b/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/.eslintrc
new file mode 100644
index 0000000..f61c280
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/.eslintrc
@@ -0,0 +1,7 @@
+{
+    "parserOptions": {
+        "ecmaFeatures": {
+            "globalReturn": false
+        }
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/child/.eslintrc b/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/child/.eslintrc
new file mode 100644
index 0000000..94195b1
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/overwrite-ecmaFeatures/child/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "env": {
+        "commonjs": true
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/.eslintrc b/eslint/tests/fixtures/config-hierarchy/packagejson/.eslintrc
new file mode 100644
index 0000000..8d83cd2
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/.eslintrc
@@ -0,0 +1,2 @@
+rules:
+    quotes: [2, "double"]
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/package.json b/eslint/tests/fixtures/config-hierarchy/packagejson/package.json
new file mode 100644
index 0000000..898f6d2
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {
+    "rules": {
+      "quotes": [1, "single"]
+    }
+  }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/package.json b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/package.json
new file mode 100644
index 0000000..c652f39
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {
+    "rules": {
+      "quotes": [1, "double"]
+    }
+  }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/package.json b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/package.json
new file mode 100644
index 0000000..c40a662
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {
+    "rules": {
+      "quotes": [2, "single"]
+    }
+  }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/package.json b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/package.json
new file mode 100644
index 0000000..39c0a6e
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {
+    "rules": {
+      "quotes": [2, "double"]
+    }
+  }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/wrong-quotes.js
new file mode 100644
index 0000000..717744a
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/wrong-quotes.js
@@ -0,0 +1 @@
+var str = 'quotes';
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/wrong-quotes.js
new file mode 100644
index 0000000..717744a
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/subsubdir/wrong-quotes.js
@@ -0,0 +1 @@
+var str = 'quotes';
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/wrong-quotes.js
new file mode 100644
index 0000000..717744a
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/subdir/wrong-quotes.js
@@ -0,0 +1 @@
+var str = 'quotes';
diff --git a/eslint/tests/fixtures/config-hierarchy/packagejson/wrong-quotes.js b/eslint/tests/fixtures/config-hierarchy/packagejson/wrong-quotes.js
new file mode 100644
index 0000000..717744a
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/packagejson/wrong-quotes.js
@@ -0,0 +1 @@
+var str = 'quotes';
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder-with-packagejson/package.json b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder-with-packagejson/package.json
new file mode 100644
index 0000000..b113b49
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder-with-packagejson/package.json
@@ -0,0 +1,4 @@
+{
+    "name": "foo",
+    "version": "1.0.0"
+}
\ No newline at end of file
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/.eslintrc.json b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/.eslintrc.json
new file mode 100644
index 0000000..b7ca355
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/.eslintrc.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "home-folder-rule": 2
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/.eslintrc b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/.eslintrc
new file mode 100644
index 0000000..f7ae8fb
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "project-level-rule": 2
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/package.json b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/package.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/home-folder/project/package.json
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/.eslintrc b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/.eslintrc
new file mode 100644
index 0000000..f7ae8fb
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "project-level-rule": 2
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/package.json b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/package.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/package.json
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/subfolder/.eslintrc b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/subfolder/.eslintrc
new file mode 100644
index 0000000..2c9a7dc
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/project-with-config/subfolder/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "subfolder-level-rule": 2
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/personal-config/project-without-config/package.json b/eslint/tests/fixtures/config-hierarchy/personal-config/project-without-config/package.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/personal-config/project-without-config/package.json
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/config-hierarchy/root-true/parent/.eslintrc b/eslint/tests/fixtures/config-hierarchy/root-true/parent/.eslintrc
new file mode 100644
index 0000000..b7167fa
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/root-true/parent/.eslintrc
@@ -0,0 +1,6 @@
+{
+    "rules": "bad_configurations",
+    "extends": [
+        "eslint-config-test"
+    ]
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/.eslintrc b/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/.eslintrc
new file mode 100644
index 0000000..1d3e614
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/.eslintrc
@@ -0,0 +1,6 @@
+{
+    "root": true,
+    "rules": {
+        "semi": [2, "never"]
+    }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/subdir/.eslintrc b/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/subdir/.eslintrc
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/wrong-semi.js b/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/wrong-semi.js
new file mode 100644
index 0000000..aee292f
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/root-true/parent/root/wrong-semi.js
@@ -0,0 +1 @@
+var str = 'quotes'
diff --git a/eslint/tests/fixtures/config-hierarchy/shared/a/.eslintrc b/eslint/tests/fixtures/config-hierarchy/shared/a/.eslintrc
new file mode 100644
index 0000000..f3d2ef6
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/shared/a/.eslintrc
@@ -0,0 +1,6 @@
+{
+  "extends": "example",
+  "rules": {
+    "quotes": [ 2, "single" ]
+  }
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/shared/a/index.js b/eslint/tests/fixtures/config-hierarchy/shared/a/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/config-hierarchy/shared/b/.eslintrc b/eslint/tests/fixtures/config-hierarchy/shared/b/.eslintrc
new file mode 100644
index 0000000..4c497fc
--- /dev/null
+++ b/eslint/tests/fixtures/config-hierarchy/shared/b/.eslintrc
@@ -0,0 +1,3 @@
+{
+  "extends": "example"
+}
diff --git a/eslint/tests/fixtures/config-hierarchy/shared/b/index.js b/eslint/tests/fixtures/config-hierarchy/shared/b/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/config-initializer/lib/doubleQuotes.js b/eslint/tests/fixtures/config-initializer/lib/doubleQuotes.js
new file mode 100644
index 0000000..1cd4a2a
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/lib/doubleQuotes.js
@@ -0,0 +1 @@
+var foo = "doubleQuotes";
diff --git a/eslint/tests/fixtures/config-initializer/lib/no-semi.js b/eslint/tests/fixtures/config-initializer/lib/no-semi.js
new file mode 100644
index 0000000..bf10b1c
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/lib/no-semi.js
@@ -0,0 +1 @@
+var name = "ESLint"
diff --git a/eslint/tests/fixtures/config-initializer/new-es-features/new-es-features.js b/eslint/tests/fixtures/config-initializer/new-es-features/new-es-features.js
new file mode 100644
index 0000000..c3e03fc
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/new-es-features/new-es-features.js
@@ -0,0 +1,3 @@
+async function fn() {
+    await Promise.resolve();
+}
diff --git a/eslint/tests/fixtures/config-initializer/parse-error/parse-error.js b/eslint/tests/fixtures/config-initializer/parse-error/parse-error.js
new file mode 100644
index 0000000..90bd920
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/parse-error/parse-error.js
@@ -0,0 +1 @@
++;
diff --git a/eslint/tests/fixtures/config-initializer/singleQuotes.js b/eslint/tests/fixtures/config-initializer/singleQuotes.js
new file mode 100644
index 0000000..db1e01f
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/singleQuotes.js
@@ -0,0 +1 @@
+var foo = 'singleQuotes';
diff --git a/eslint/tests/fixtures/config-initializer/tests/console-log.js b/eslint/tests/fixtures/config-initializer/tests/console-log.js
new file mode 100644
index 0000000..929e82a
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/tests/console-log.js
@@ -0,0 +1 @@
+console.log("I'm a log");
diff --git a/eslint/tests/fixtures/config-initializer/tests/doubleQuotes.js b/eslint/tests/fixtures/config-initializer/tests/doubleQuotes.js
new file mode 100644
index 0000000..1cd4a2a
--- /dev/null
+++ b/eslint/tests/fixtures/config-initializer/tests/doubleQuotes.js
@@ -0,0 +1 @@
+var foo = "doubleQuotes";
diff --git a/eslint/tests/fixtures/config-rule/schemas.js b/eslint/tests/fixtures/config-rule/schemas.js
new file mode 100644
index 0000000..d74bcce
--- /dev/null
+++ b/eslint/tests/fixtures/config-rule/schemas.js
@@ -0,0 +1,118 @@
+module.exports = {
+    enum: [{ "enum": ["always", "never"] }],
+
+    objectWithEnum: [{
+        "type": "object",
+        "properties": {
+            "enumProperty": {
+                "enum": ["always", "never"]
+            }
+        },
+        "additionalProperties": false
+    }],
+
+    objectWithMultipleEnums: [{
+        "type": "object",
+        "properties": {
+            "firstEnum": {
+                "enum": ["always", "never"]
+            },
+            "anotherEnum": {
+                "enum": ["var", "let", "const"]
+            }
+        },
+        "additionalProperties": false
+    }],
+
+    objectWithBool: [{
+        "type": "object",
+        "properties": {
+            "boolProperty": {
+                "type": "boolean"
+            }
+        },
+        "additionalProperties": false
+    }],
+
+    objectWithMultipleBools: [{
+        "type": "object",
+        "properties": {
+            "firstBool": {
+                "type": "boolean"
+            },
+            "anotherBool": {
+                "type": "boolean"
+            }
+        },
+        "additionalProperties": false
+    }],
+
+    mixedEnumObject: [{
+        "enum": ["always", "never"]
+    },
+    {
+        "type": "object",
+        "properties": {
+            "singleValue": {
+                "type": "boolean"
+            }
+        },
+        "additionalProperties": false
+    }],
+
+    mixedEnumObjectWithNothing: [{
+        "enum": ["always", "never"]
+    },
+    {
+        "type": "object",
+        "properties": {},
+        "additionalProperties": false
+    }],
+
+    mixedObjectWithNothingEnum: [{
+        "type": "object",
+        "properties": {},
+        "additionalProperties": false
+    },
+    {
+        "enum": ["always", "never"]
+    }],
+
+    mixedStringEnum: [{
+        "type": "string"
+    },
+    {
+        "enum": ["always", "never"]
+    }],
+
+    oneOf: [{
+        "oneOf": [
+            {
+                "enum": ["before", "after", "both", "neither"]
+            },
+            {
+                "type": "object",
+                "properties": {
+                    "before": {"type": "boolean"},
+                    "after": {"type": "boolean"}
+                },
+                "additionalProperties": false
+            }
+        ]
+    }],
+
+    nestedObjects: [{
+        "type": "object",
+        "properties": {
+            "prefer": {
+                "type": "object",
+                "properties": {
+                    "nestedProperty": {
+                        "type": "boolean"
+                    }
+                }
+            }
+        }
+    }],
+
+};
diff --git a/eslint/tests/fixtures/configurations/comments.json b/eslint/tests/fixtures/configurations/comments.json
new file mode 100644
index 0000000..a70bc15
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/comments.json
@@ -0,0 +1,10 @@
+{
+
+    /* This is a comment */
+    "rules": {
+        "semi": 1,
+
+        // so is this
+        "strict": 0
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/cwd/.eslintrc b/eslint/tests/fixtures/configurations/cwd/.eslintrc
new file mode 100644
index 0000000..680ff84
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/cwd/.eslintrc
@@ -0,0 +1,9 @@
+{
+    "env": {
+        "browser": true
+    },
+
+    "rules": {
+        "quotes": [2, "double"]
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/empty/.eslintrc b/eslint/tests/fixtures/configurations/empty/.eslintrc
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/configurations/empty/empty.json b/eslint/tests/fixtures/configurations/empty/empty.json
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/configurations/env-browser.json b/eslint/tests/fixtures/configurations/env-browser.json
new file mode 100644
index 0000000..a7e0b94
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/env-browser.json
@@ -0,0 +1,10 @@
+{
+  "env": {
+    "browser": true
+  },
+
+  "rules": {
+    "no-alert": 0,
+    "no-undef": 2
+  }
+}
diff --git a/eslint/tests/fixtures/configurations/env-browser.yaml b/eslint/tests/fixtures/configurations/env-browser.yaml
new file mode 100644
index 0000000..e0e7990
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/env-browser.yaml
@@ -0,0 +1,7 @@
+---
+  env:
+    browser: true
+
+  rules:
+    no-alert: 0
+    no-undef: 2
diff --git a/eslint/tests/fixtures/configurations/env-nashorn.json b/eslint/tests/fixtures/configurations/env-nashorn.json
new file mode 100644
index 0000000..cc949c8
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/env-nashorn.json
@@ -0,0 +1,8 @@
+{
+  "env": {
+    "nashorn": true
+  },
+  "rules": {
+    "no-undef": 2
+  }
+}
diff --git a/eslint/tests/fixtures/configurations/env-node.json b/eslint/tests/fixtures/configurations/env-node.json
new file mode 100644
index 0000000..3d13150
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/env-node.json
@@ -0,0 +1,10 @@
+{
+  "env": {
+    "node": true
+  },
+
+  "rules": {
+    "no-console": 0,
+    "no-undef": 2
+  }
+}
diff --git a/eslint/tests/fixtures/configurations/env-webextensions.json b/eslint/tests/fixtures/configurations/env-webextensions.json
new file mode 100644
index 0000000..f70197f
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/env-webextensions.json
@@ -0,0 +1,8 @@
+{
+  "env": {
+    "webextensions": true
+  },
+  "rules": {
+    "no-undef": 2
+  }
+}
diff --git a/eslint/tests/fixtures/configurations/es6.json b/eslint/tests/fixtures/configurations/es6.json
new file mode 100644
index 0000000..1caceed
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/es6.json
@@ -0,0 +1,5 @@
+{
+    "parserOptions": {
+        "ecmaVersion": 6
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/my-awesome-config b/eslint/tests/fixtures/configurations/my-awesome-config
new file mode 100644
index 0000000..1b91f22
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/my-awesome-config
@@ -0,0 +1,9 @@
+{
+    "env": {
+        "browser": true
+    },
+
+    "rules": {
+        "quotes": [3, "triple"]
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/parser/.eslintrc.json b/eslint/tests/fixtures/configurations/parser/.eslintrc.json
new file mode 100644
index 0000000..4f8c8f5
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/parser/.eslintrc.json
@@ -0,0 +1,7 @@
+{
+    "root": true,
+    "parser": "./custom.js",
+    "rules": {
+        "quotes": ["error", "double"]
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/parser/custom.js b/eslint/tests/fixtures/configurations/parser/custom.js
new file mode 100644
index 0000000..a79aa32
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/parser/custom.js
@@ -0,0 +1,3 @@
+exports.parse = function() {
+    throw new Error("Boom!");
+};
diff --git a/eslint/tests/fixtures/configurations/plugins-with-prefix-and-namespace.json b/eslint/tests/fixtures/configurations/plugins-with-prefix-and-namespace.json
new file mode 100644
index 0000000..b83d83b
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/plugins-with-prefix-and-namespace.json
@@ -0,0 +1,10 @@
+{
+    "plugins": [
+        "@eslint/eslint-plugin-example"
+    ],
+
+    "rules": {
+        "@eslint/example/example-rule": 1
+    }
+
+}
diff --git a/eslint/tests/fixtures/configurations/plugins-with-prefix.json b/eslint/tests/fixtures/configurations/plugins-with-prefix.json
new file mode 100644
index 0000000..0a3505b
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/plugins-with-prefix.json
@@ -0,0 +1,10 @@
+{
+    "plugins": [
+        "eslint-plugin-example"
+    ],
+
+    "rules": {
+        "example/example-rule": 1
+    }
+
+}
diff --git a/eslint/tests/fixtures/configurations/plugins-without-prefix-with-namespace.json b/eslint/tests/fixtures/configurations/plugins-without-prefix-with-namespace.json
new file mode 100644
index 0000000..d5cb34f
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/plugins-without-prefix-with-namespace.json
@@ -0,0 +1,10 @@
+{
+    "plugins": [
+        "@eslint/example"
+    ],
+
+    "rules": {
+        "@eslint/example/example-rule": 1
+    }
+
+}
diff --git a/eslint/tests/fixtures/configurations/plugins-without-prefix.json b/eslint/tests/fixtures/configurations/plugins-without-prefix.json
new file mode 100644
index 0000000..c6c9ca2
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/plugins-without-prefix.json
@@ -0,0 +1,10 @@
+{
+    "plugins": [
+        "example"
+    ],
+
+    "rules": {
+        "example/example-rule": 1
+    }
+
+}
diff --git a/eslint/tests/fixtures/configurations/processors.json b/eslint/tests/fixtures/configurations/processors.json
new file mode 100644
index 0000000..37b26b2
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/processors.json
@@ -0,0 +1,12 @@
+{
+    "plugins": [
+        "processor",
+        "example"
+    ],
+
+    "rules": {
+        "no-console": 2,
+        "no-unused-vars": 2,
+        "example/example-rule": 1
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/quotes-error.json b/eslint/tests/fixtures/configurations/quotes-error.json
new file mode 100644
index 0000000..ae6226c
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/quotes-error.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "quotes": [2, "double"]
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/semi-error.json b/eslint/tests/fixtures/configurations/semi-error.json
new file mode 100644
index 0000000..412b46b
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/semi-error.json
@@ -0,0 +1,6 @@
+{
+    "rules": {
+        "semi": 1,
+        "strict": 0
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/single-quotes-error.json b/eslint/tests/fixtures/configurations/single-quotes-error.json
new file mode 100644
index 0000000..45e5d69
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/single-quotes-error.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "quotes": [2, "single"]
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/single-quotes/.eslintrc b/eslint/tests/fixtures/configurations/single-quotes/.eslintrc
new file mode 100644
index 0000000..8bbf982
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/single-quotes/.eslintrc
@@ -0,0 +1,10 @@
+{
+    "env": {
+        "browser": true
+    },
+
+    "rules": {
+        "quotes": [1, "single"],
+        "no-new": 1
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/single-quotes/subdir/.eslintrc b/eslint/tests/fixtures/configurations/single-quotes/subdir/.eslintrc
new file mode 100644
index 0000000..59a4422
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/single-quotes/subdir/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "no-new": 0
+    }
+}
diff --git a/eslint/tests/fixtures/configurations/undef-error.json b/eslint/tests/fixtures/configurations/undef-error.json
new file mode 100644
index 0000000..f78b6ae
--- /dev/null
+++ b/eslint/tests/fixtures/configurations/undef-error.json
@@ -0,0 +1,5 @@
+{
+  "rules": {
+    "no-undef": 2
+  }
+}
diff --git a/eslint/tests/fixtures/disable-inline-config.js b/eslint/tests/fixtures/disable-inline-config.js
new file mode 100644
index 0000000..4731ee4
--- /dev/null
+++ b/eslint/tests/fixtures/disable-inline-config.js
@@ -0,0 +1 @@
+console.log('bar'); // eslint-disable-line
diff --git a/eslint/tests/fixtures/environments/disable.yaml b/eslint/tests/fixtures/environments/disable.yaml
new file mode 100644
index 0000000..ae37712
--- /dev/null
+++ b/eslint/tests/fixtures/environments/disable.yaml
@@ -0,0 +1,5 @@
+{
+    "env": {
+        "browser": false
+    }
+}
diff --git a/eslint/tests/fixtures/environments/fake.yaml b/eslint/tests/fixtures/environments/fake.yaml
new file mode 100644
index 0000000..dbc3792
--- /dev/null
+++ b/eslint/tests/fixtures/environments/fake.yaml
@@ -0,0 +1,6 @@
+{
+    "env": {
+        "blah": true,
+        "es6": true
+    }
+}
diff --git a/eslint/tests/fixtures/environments/plugin.yaml b/eslint/tests/fixtures/environments/plugin.yaml
new file mode 100644
index 0000000..a8f2f1a
--- /dev/null
+++ b/eslint/tests/fixtures/environments/plugin.yaml
@@ -0,0 +1,5 @@
+plugins:
+    - test
+
+env:
+    test/example: true
diff --git a/eslint/tests/fixtures/eslintrc/.eslintignore b/eslint/tests/fixtures/eslintrc/.eslintignore
new file mode 100644
index 0000000..44de196
--- /dev/null
+++ b/eslint/tests/fixtures/eslintrc/.eslintignore
@@ -0,0 +1,2 @@
+.DS_Store
+**/*.json
diff --git a/eslint/tests/fixtures/eslintrc/.eslintrc b/eslint/tests/fixtures/eslintrc/.eslintrc
new file mode 100644
index 0000000..45e5d69
--- /dev/null
+++ b/eslint/tests/fixtures/eslintrc/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "quotes": [2, "single"]
+    }
+}
diff --git a/eslint/tests/fixtures/eslintrc/ignored.json b/eslint/tests/fixtures/eslintrc/ignored.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/eslint/tests/fixtures/eslintrc/ignored.json
@@ -0,0 +1 @@
+{}
diff --git a/eslint/tests/fixtures/eslintrc/quotes.js b/eslint/tests/fixtures/eslintrc/quotes.js
new file mode 100644
index 0000000..eef93c5
--- /dev/null
+++ b/eslint/tests/fixtures/eslintrc/quotes.js
@@ -0,0 +1 @@
+var str = "quotes!";
diff --git a/eslint/tests/fixtures/file-finder/.eslintignore b/eslint/tests/fixtures/file-finder/.eslintignore
new file mode 100644
index 0000000..b1fb1f1
--- /dev/null
+++ b/eslint/tests/fixtures/file-finder/.eslintignore
@@ -0,0 +1,2 @@
+**/*.json
+**/*.js
diff --git a/eslint/tests/fixtures/file-finder/empty b/eslint/tests/fixtures/file-finder/empty
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/package.json/empty b/eslint/tests/fixtures/file-finder/package.json/empty
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/subdir/empty b/eslint/tests/fixtures/file-finder/subdir/empty
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/subdir/empty2 b/eslint/tests/fixtures/file-finder/subdir/empty2
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/subdir/subsubdir/empty b/eslint/tests/fixtures/file-finder/subdir/subsubdir/empty
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/subdir/subsubdir/subsubsubdir/empty b/eslint/tests/fixtures/file-finder/subdir/subsubdir/subsubsubdir/empty
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/subdir/xvgRHtyH56756764535jkJ6jthty65tyhteHTEY b/eslint/tests/fixtures/file-finder/subdir/xvgRHtyH56756764535jkJ6jthty65tyhteHTEY
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/file-finder/xvgRHtyH56756764535jkJ6jthty65tyhteHTEY b/eslint/tests/fixtures/file-finder/xvgRHtyH56756764535jkJ6jthty65tyhteHTEY
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/files/.bar.js b/eslint/tests/fixtures/files/.bar.js
new file mode 100644
index 0000000..96b0760
--- /dev/null
+++ b/eslint/tests/fixtures/files/.bar.js
@@ -0,0 +1,2 @@
+var bar = "<div>Hello world!</div>";
+bar(bar);
diff --git a/eslint/tests/fixtures/files/.eslintignore b/eslint/tests/fixtures/files/.eslintignore
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/files/.eslintrc b/eslint/tests/fixtures/files/.eslintrc
new file mode 100644
index 0000000..c730c7c
--- /dev/null
+++ b/eslint/tests/fixtures/files/.eslintrc
@@ -0,0 +1,2 @@
+settings:
+    jsx: true
diff --git a/eslint/tests/fixtures/files/foo.js b/eslint/tests/fixtures/files/foo.js
new file mode 100644
index 0000000..5078869
--- /dev/null
+++ b/eslint/tests/fixtures/files/foo.js
@@ -0,0 +1,2 @@
+var foo = "<div>Hello world!</div>";
+foo(foo);
diff --git a/eslint/tests/fixtures/files/foo.js2 b/eslint/tests/fixtures/files/foo.js2
new file mode 100644
index 0000000..5078869
--- /dev/null
+++ b/eslint/tests/fixtures/files/foo.js2
@@ -0,0 +1,2 @@
+var foo = "<div>Hello world!</div>";
+foo(foo);
diff --git a/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.expected.js b/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.expected.js
new file mode 100644
index 0000000..cd5a78e
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.expected.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(() => {
+    return true;
+});
diff --git a/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.js b/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.js
new file mode 100644
index 0000000..26d3429
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-both-semi-and-prefer-arrow-callback.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+})
diff --git a/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.expected.js b/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.expected.js
new file mode 100644
index 0000000..392dbf0
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.expected.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(() => {
+    return true;
+})
diff --git a/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.js b/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.js
new file mode 100644
index 0000000..26d3429
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-only-prefer-arrow-callback.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+})
diff --git a/eslint/tests/fixtures/fix-types/fix-only-semi.expected.js b/eslint/tests/fixtures/fix-types/fix-only-semi.expected.js
new file mode 100644
index 0000000..3a8f9f4
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-only-semi.expected.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+});
diff --git a/eslint/tests/fixtures/fix-types/fix-only-semi.js b/eslint/tests/fixtures/fix-types/fix-only-semi.js
new file mode 100644
index 0000000..26d3429
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/fix-only-semi.js
@@ -0,0 +1,7 @@
+/* eslint semi: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+})
diff --git a/eslint/tests/fixtures/fix-types/ignore-missing-meta.expected.js b/eslint/tests/fixtures/fix-types/ignore-missing-meta.expected.js
new file mode 100644
index 0000000..b6e3019
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/ignore-missing-meta.expected.js
@@ -0,0 +1,8 @@
+/* eslint semi: "error" */
+/* eslint no-program: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+});
diff --git a/eslint/tests/fixtures/fix-types/ignore-missing-meta.js b/eslint/tests/fixtures/fix-types/ignore-missing-meta.js
new file mode 100644
index 0000000..ee9b9d9
--- /dev/null
+++ b/eslint/tests/fixtures/fix-types/ignore-missing-meta.js
@@ -0,0 +1,8 @@
+/* eslint semi: "error" */
+/* eslint no-program: "error" */
+/* eslint prefer-arrow-callback: "error" */
+"use strict";
+
+func(function() {
+    return true;
+})
diff --git a/eslint/tests/fixtures/fixmode/multipass.js b/eslint/tests/fixtures/fixmode/multipass.js
new file mode 100644
index 0000000..ec1d1de
--- /dev/null
+++ b/eslint/tests/fixtures/fixmode/multipass.js
@@ -0,0 +1 @@
+true?"yes":"no";
diff --git a/eslint/tests/fixtures/fixmode/ok.js b/eslint/tests/fixtures/fixmode/ok.js
new file mode 100644
index 0000000..cd4ffe6
--- /dev/null
+++ b/eslint/tests/fixtures/fixmode/ok.js
@@ -0,0 +1 @@
+var msg = "hi";
diff --git a/eslint/tests/fixtures/fixmode/quotes-semi-eqeqeq.js b/eslint/tests/fixtures/fixmode/quotes-semi-eqeqeq.js
new file mode 100644
index 0000000..3d3b658
--- /dev/null
+++ b/eslint/tests/fixtures/fixmode/quotes-semi-eqeqeq.js
@@ -0,0 +1,4 @@
+var msg = 'hi'
+if (msg == 'hi') {
+
+}
diff --git a/eslint/tests/fixtures/fixmode/quotes.js b/eslint/tests/fixtures/fixmode/quotes.js
new file mode 100644
index 0000000..b9c0ad8
--- /dev/null
+++ b/eslint/tests/fixtures/fixmode/quotes.js
@@ -0,0 +1 @@
+var msg = 'hi' + foo;
diff --git a/eslint/tests/fixtures/fixture-parser.js b/eslint/tests/fixtures/fixture-parser.js
new file mode 100644
index 0000000..8cff06c
--- /dev/null
+++ b/eslint/tests/fixtures/fixture-parser.js
@@ -0,0 +1,16 @@
+"use strict";
+
+const path = require("path");
+
+/**
+ * Gets the path to the specified parser.
+ *
+ * @param {string[]} arguments - The path containing the parser.
+ * @returns {string} The path to the specified parser.
+ */
+module.exports = function parser() {
+    const parts = Array.from(arguments);
+    const name = parts.pop();
+
+    return path.resolve(__dirname, "parsers", parts.join(path.sep), `${name}.js`);
+};
diff --git a/eslint/tests/fixtures/formatters/.ignoreme b/eslint/tests/fixtures/formatters/.ignoreme
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/formatters/broken.js b/eslint/tests/fixtures/formatters/broken.js
new file mode 100644
index 0000000..c467ac7
--- /dev/null
+++ b/eslint/tests/fixtures/formatters/broken.js
@@ -0,0 +1,5 @@
+/*global module*/
+var nonExistantFormatter = require('this-module-does-not-exist');
+module.exports = function(results) {
+    return nonExistantFormatter(results);
+};
diff --git a/eslint/tests/fixtures/formatters/simple.js b/eslint/tests/fixtures/formatters/simple.js
new file mode 100644
index 0000000..e6e0a1f
--- /dev/null
+++ b/eslint/tests/fixtures/formatters/simple.js
@@ -0,0 +1,16 @@
+/*global module*/
+module.exports = function(results) {
+
+    var output = "";
+
+    results.forEach(function(result) {
+
+        var messages = result.messages;
+        messages.forEach(function(message) {
+            output += "Problem on line " + (message.line || 0) + "\n";
+        });
+
+    });
+
+    return output;
+};
diff --git a/eslint/tests/fixtures/formatters/test/simple.js b/eslint/tests/fixtures/formatters/test/simple.js
new file mode 100644
index 0000000..e6e0a1f
--- /dev/null
+++ b/eslint/tests/fixtures/formatters/test/simple.js
@@ -0,0 +1,16 @@
+/*global module*/
+module.exports = function(results) {
+
+    var output = "";
+
+    results.forEach(function(result) {
+
+        var messages = result.messages;
+        messages.forEach(function(message) {
+            output += "Problem on line " + (message.line || 0) + "\n";
+        });
+
+    });
+
+    return output;
+};
diff --git a/eslint/tests/fixtures/glob-util/.eslintignore b/eslint/tests/fixtures/glob-util/.eslintignore
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/empty/.gitkeep b/eslint/tests/fixtures/glob-util/empty/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/hidden/.foo.js b/eslint/tests/fixtures/glob-util/hidden/.foo.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/ignored/.eslintignore b/eslint/tests/fixtures/glob-util/ignored/.eslintignore
new file mode 100644
index 0000000..4fa71e2
--- /dev/null
+++ b/eslint/tests/fixtures/glob-util/ignored/.eslintignore
@@ -0,0 +1 @@
+foo.js
diff --git a/eslint/tests/fixtures/glob-util/ignored/foo.js b/eslint/tests/fixtures/glob-util/ignored/foo.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/node_modules/dependency.js b/eslint/tests/fixtures/glob-util/node_modules/dependency.js
new file mode 100644
index 0000000..39f9fdb
--- /dev/null
+++ b/eslint/tests/fixtures/glob-util/node_modules/dependency.js
@@ -0,0 +1 @@
+'single quotes';
diff --git a/eslint/tests/fixtures/glob-util/one-js-file/baz.js b/eslint/tests/fixtures/glob-util/one-js-file/baz.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/two-js-files/bar.js b/eslint/tests/fixtures/glob-util/two-js-files/bar.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/two-js-files/foo.js b/eslint/tests/fixtures/glob-util/two-js-files/foo.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/glob-util/unignored/.eslintignore b/eslint/tests/fixtures/glob-util/unignored/.eslintignore
new file mode 100644
index 0000000..d1c26dc
--- /dev/null
+++ b/eslint/tests/fixtures/glob-util/unignored/.eslintignore
@@ -0,0 +1,3 @@
+*
+!/dir/
+!*.js
diff --git a/eslint/tests/fixtures/glob-util/unignored/dir/foo.js b/eslint/tests/fixtures/glob-util/unignored/dir/foo.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/globals-browser.js b/eslint/tests/fixtures/globals-browser.js
new file mode 100644
index 0000000..5abfcdb
--- /dev/null
+++ b/eslint/tests/fixtures/globals-browser.js
@@ -0,0 +1 @@
+window.alert("foo");
diff --git a/eslint/tests/fixtures/globals-nashorn.js b/eslint/tests/fixtures/globals-nashorn.js
new file mode 100644
index 0000000..8730eeb
--- /dev/null
+++ b/eslint/tests/fixtures/globals-nashorn.js
@@ -0,0 +1,4 @@
+var path = __DIR__;
+print(path);
+load('something.js');
+loadWithNewGlobal('other.js');
diff --git a/eslint/tests/fixtures/globals-node.js b/eslint/tests/fixtures/globals-node.js
new file mode 100644
index 0000000..a08c742
--- /dev/null
+++ b/eslint/tests/fixtures/globals-node.js
@@ -0,0 +1,2 @@
+var foo = __dirname;
+console.log(foo);
diff --git a/eslint/tests/fixtures/globals-webextensions.js b/eslint/tests/fixtures/globals-webextensions.js
new file mode 100644
index 0000000..9b0bb13
--- /dev/null
+++ b/eslint/tests/fixtures/globals-webextensions.js
@@ -0,0 +1,3 @@
+chrome.browserAction.setBadgeText({text: 'ᕕ( ᐛ)ᕗ'});
+opr.sidebarAction.setTitle({title: 'ᕕ( ᐛ)ᕗ'});
+browser.tabs.hide();
diff --git a/eslint/tests/fixtures/globals/conf.yaml b/eslint/tests/fixtures/globals/conf.yaml
new file mode 100644
index 0000000..2f902d5
--- /dev/null
+++ b/eslint/tests/fixtures/globals/conf.yaml
@@ -0,0 +1,5 @@
+{
+    "globals": {
+        "foo": true
+    }
+}
diff --git a/eslint/tests/fixtures/ignored-paths/.eslintignore b/eslint/tests/fixtures/ignored-paths/.eslintignore
new file mode 100644
index 0000000..f0fea9c
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/.eslintignore
@@ -0,0 +1 @@
+sampleignorepattern
diff --git a/eslint/tests/fixtures/ignored-paths/.eslintignoreForDifferentCwd b/eslint/tests/fixtures/ignored-paths/.eslintignoreForDifferentCwd
new file mode 100644
index 0000000..ac105c7
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/.eslintignoreForDifferentCwd
@@ -0,0 +1 @@
+/undef.js
diff --git a/eslint/tests/fixtures/ignored-paths/.eslintignoreWithComments b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithComments
new file mode 100644
index 0000000..13bd51d
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithComments
@@ -0,0 +1,7 @@
+# this comment lines
+
+# and empty strings
+   
+# should be ignored
+
+this_one_not
diff --git a/eslint/tests/fixtures/ignored-paths/.eslintignoreWithNegation b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithNegation
new file mode 100644
index 0000000..e233238
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithNegation
@@ -0,0 +1,2 @@
+/negation/*
+!/negation/unignore.js
diff --git a/eslint/tests/fixtures/ignored-paths/.eslintignoreWithUnignoredDefaults b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithUnignoredDefaults
new file mode 100644
index 0000000..ca93372
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/.eslintignoreWithUnignoredDefaults
@@ -0,0 +1,3 @@
+!/node_modules/package
+!/bower_components/package
+!.hidden/package
diff --git a/eslint/tests/fixtures/ignored-paths/bad-package-json-ignore/package.json b/eslint/tests/fixtures/ignored-paths/bad-package-json-ignore/package.json
new file mode 100644
index 0000000..37174a8
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/bad-package-json-ignore/package.json
@@ -0,0 +1,11 @@
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "env": {
+            "browser": true,
+            "node": true
+        }
+    },
+    "eslintIgnore": "hello.js"
+}
diff --git a/eslint/tests/fixtures/ignored-paths/bower_components/package/file.js b/eslint/tests/fixtures/ignored-paths/bower_components/package/file.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/broken-package-json/package.json b/eslint/tests/fixtures/ignored-paths/broken-package-json/package.json
new file mode 100644
index 0000000..7c1fe4a
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/broken-package-json/package.json
@@ -0,0 +1,11 @@
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "env": {
+            "browser": true,
+            "node": true
+        }
+    }
+    "eslintIgnore": "hello.js"
+}
diff --git a/eslint/tests/fixtures/ignored-paths/crlf/.eslintignore b/eslint/tests/fixtures/ignored-paths/crlf/.eslintignore
new file mode 100644
index 0000000..a523bd6
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/crlf/.eslintignore
@@ -0,0 +1,2 @@
+hide1/
+hide2/
diff --git a/eslint/tests/fixtures/ignored-paths/custom-name/ignore-file b/eslint/tests/fixtures/ignored-paths/custom-name/ignore-file
new file mode 100644
index 0000000..4fa71e2
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/custom-name/ignore-file
@@ -0,0 +1 @@
+foo.js
diff --git a/eslint/tests/fixtures/ignored-paths/ignore-pattern/ignore-me.txt b/eslint/tests/fixtures/ignored-paths/ignore-pattern/ignore-me.txt
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/ignore-pattern/subdir/ignore-me.txt b/eslint/tests/fixtures/ignored-paths/ignore-pattern/subdir/ignore-me.txt
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/negation/ignore.js b/eslint/tests/fixtures/ignored-paths/negation/ignore.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/negation/unignore.js b/eslint/tests/fixtures/ignored-paths/negation/unignore.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/node_modules/package/file.js b/eslint/tests/fixtures/ignored-paths/node_modules/package/file.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/package-json-ignore/package.json b/eslint/tests/fixtures/ignored-paths/package-json-ignore/package.json
new file mode 100644
index 0000000..05436bd
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/package-json-ignore/package.json
@@ -0,0 +1,11 @@
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "env": {
+            "browser": true,
+            "node": true
+        }
+    },
+    "eslintIgnore": ["hello.js", "world.js"]
+}
diff --git a/eslint/tests/fixtures/ignored-paths/package.json b/eslint/tests/fixtures/ignored-paths/package.json
new file mode 100644
index 0000000..05436bd
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/package.json
@@ -0,0 +1,11 @@
+{
+    "name": "mypackage",
+    "version": "0.0.1",
+    "eslintConfig": {
+        "env": {
+            "browser": true,
+            "node": true
+        }
+    },
+    "eslintIgnore": ["hello.js", "world.js"]
+}
diff --git a/eslint/tests/fixtures/ignored-paths/subdir/.eslintignoreInChildDir b/eslint/tests/fixtures/ignored-paths/subdir/.eslintignoreInChildDir
new file mode 100644
index 0000000..8c7a201
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/subdir/.eslintignoreInChildDir
@@ -0,0 +1,5 @@
+/undef.js
+foo.js
+*.txt
+!/bar.txt
+!baz.txt
diff --git a/eslint/tests/fixtures/ignored-paths/subdir/bower_components/package/file.js b/eslint/tests/fixtures/ignored-paths/subdir/bower_components/package/file.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/subdir/node_modules/package/file.js b/eslint/tests/fixtures/ignored-paths/subdir/node_modules/package/file.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/ignored-paths/subdir/undef.js b/eslint/tests/fixtures/ignored-paths/subdir/undef.js
new file mode 100644
index 0000000..e87c7c4
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/subdir/undef.js
@@ -0,0 +1,2 @@
+var bar = baz;
+bat = bar;
diff --git a/eslint/tests/fixtures/ignored-paths/undef.js b/eslint/tests/fixtures/ignored-paths/undef.js
new file mode 100644
index 0000000..e87c7c4
--- /dev/null
+++ b/eslint/tests/fixtures/ignored-paths/undef.js
@@ -0,0 +1,2 @@
+var bar = baz;
+bat = bar;
diff --git a/eslint/tests/fixtures/ignored-paths/unignored.js b/eslint/tests/fixtures/ignored-paths/unignored.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/lint-result-cache/.eslintrc.json b/eslint/tests/fixtures/lint-result-cache/.eslintrc.json
new file mode 100644
index 0000000..8036a75
--- /dev/null
+++ b/eslint/tests/fixtures/lint-result-cache/.eslintrc.json
@@ -0,0 +1,7 @@
+{
+    "rules": {
+        "no-dupe-args": "error",
+        "semi": ["error", "always"]
+    },
+    "root": true
+}
diff --git a/eslint/tests/fixtures/lint-result-cache/test-with-errors.js b/eslint/tests/fixtures/lint-result-cache/test-with-errors.js
new file mode 100644
index 0000000..38790aa
--- /dev/null
+++ b/eslint/tests/fixtures/lint-result-cache/test-with-errors.js
@@ -0,0 +1,2 @@
+console.log("Hello, world!")
+function foo(a, a) {}
diff --git a/eslint/tests/fixtures/max-warnings/.eslintrc b/eslint/tests/fixtures/max-warnings/.eslintrc
new file mode 100644
index 0000000..84bd2b6
--- /dev/null
+++ b/eslint/tests/fixtures/max-warnings/.eslintrc
@@ -0,0 +1,6 @@
+{
+    "rules": {
+        "quotes": [1, "single"]
+    },
+    "root": true
+}
diff --git a/eslint/tests/fixtures/max-warnings/six-warnings.js b/eslint/tests/fixtures/max-warnings/six-warnings.js
new file mode 100644
index 0000000..e475b39
--- /dev/null
+++ b/eslint/tests/fixtures/max-warnings/six-warnings.js
@@ -0,0 +1,6 @@
+var one = "One!";
+var two = "Two!";
+var three = "Three!";
+var four = "Four!";
+var five = "Five!";
+var six = "Six!";
diff --git a/eslint/tests/fixtures/missing-semicolon.js b/eslint/tests/fixtures/missing-semicolon.js
new file mode 100644
index 0000000..f119a7f
--- /dev/null
+++ b/eslint/tests/fixtures/missing-semicolon.js
@@ -0,0 +1 @@
+console.log("bar")
diff --git a/eslint/tests/fixtures/module-not-found/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/.eslintrc.yml
new file mode 100644
index 0000000..1934577
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/.eslintrc.yml
@@ -0,0 +1 @@
+root: true
diff --git a/eslint/tests/fixtures/module-not-found/extends-js/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/extends-js/.eslintrc.yml
new file mode 100644
index 0000000..46d4d52
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/extends-js/.eslintrc.yml
@@ -0,0 +1 @@
+extends: nonexistent-config
diff --git a/eslint/tests/fixtures/module-not-found/extends-plugin/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/extends-plugin/.eslintrc.yml
new file mode 100644
index 0000000..5a236da
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/extends-plugin/.eslintrc.yml
@@ -0,0 +1 @@
+extends: plugin:nonexistent-plugin/foo
diff --git a/eslint/tests/fixtures/module-not-found/plugins/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/plugins/.eslintrc.yml
new file mode 100644
index 0000000..c85e0bb
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/plugins/.eslintrc.yml
@@ -0,0 +1 @@
+plugins: [nonexistent-plugin]
diff --git a/eslint/tests/fixtures/module-not-found/throw-in-config-itself/.eslintrc.js b/eslint/tests/fixtures/module-not-found/throw-in-config-itself/.eslintrc.js
new file mode 100644
index 0000000..534f851
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/throw-in-config-itself/.eslintrc.js
@@ -0,0 +1 @@
+require("eslint/lib/util/glob-utils")
diff --git a/eslint/tests/fixtures/module-not-found/throw-in-extends-js/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/throw-in-extends-js/.eslintrc.yml
new file mode 100644
index 0000000..13127ea
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/throw-in-extends-js/.eslintrc.yml
@@ -0,0 +1 @@
+extends: throw
diff --git a/eslint/tests/fixtures/module-not-found/throw-in-extends-plugin/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/throw-in-extends-plugin/.eslintrc.yml
new file mode 100644
index 0000000..a7ebd39
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/throw-in-extends-plugin/.eslintrc.yml
@@ -0,0 +1 @@
+extends: plugin:throw/foo
diff --git a/eslint/tests/fixtures/module-not-found/throw-in-plugins/.eslintrc.yml b/eslint/tests/fixtures/module-not-found/throw-in-plugins/.eslintrc.yml
new file mode 100644
index 0000000..14e1f8c
--- /dev/null
+++ b/eslint/tests/fixtures/module-not-found/throw-in-plugins/.eslintrc.yml
@@ -0,0 +1 @@
+plugins: [throw]
diff --git a/eslint/tests/fixtures/module-resolver/node_modules/foo.js b/eslint/tests/fixtures/module-resolver/node_modules/foo.js
new file mode 100644
index 0000000..2aa78af
--- /dev/null
+++ b/eslint/tests/fixtures/module-resolver/node_modules/foo.js
@@ -0,0 +1 @@
+//foo.js
diff --git a/eslint/tests/fixtures/packagejson/package.json b/eslint/tests/fixtures/packagejson/package.json
new file mode 100644
index 0000000..898f6d2
--- /dev/null
+++ b/eslint/tests/fixtures/packagejson/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "",
+  "version": "",
+  "eslintConfig": {
+    "rules": {
+      "quotes": [1, "single"]
+    }
+  }
+}
diff --git a/eslint/tests/fixtures/packagejson/quotes.js b/eslint/tests/fixtures/packagejson/quotes.js
new file mode 100644
index 0000000..eef93c5
--- /dev/null
+++ b/eslint/tests/fixtures/packagejson/quotes.js
@@ -0,0 +1 @@
+var str = "quotes!";
diff --git a/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-1.js b/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-1.js
new file mode 100644
index 0000000..b10f2c1
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-1.js
@@ -0,0 +1,567 @@
+"use strict";
+
+// ([ a, b ]: Array<any>) => {}
+
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 28,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 28
+        }
+    },
+    "comments": [],
+    "tokens": [
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 0,
+            "end": 1,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 1
+                }
+            },
+            "range": [
+                0,
+                1
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "[",
+            "start": 1,
+            "end": 2,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 1
+                },
+                "end": {
+                    "line": 1,
+                    "column": 2
+                }
+            },
+            "range": [
+                1,
+                2
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "a",
+            "start": 3,
+            "end": 4,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 3
+                },
+                "end": {
+                    "line": 1,
+                    "column": 4
+                }
+            },
+            "range": [
+                3,
+                4
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "start": 4,
+            "end": 5,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 4
+                },
+                "end": {
+                    "line": 1,
+                    "column": 5
+                }
+            },
+            "range": [
+                4,
+                5
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "b",
+            "start": 6,
+            "end": 7,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 6
+                },
+                "end": {
+                    "line": 1,
+                    "column": 7
+                }
+            },
+            "range": [
+                6,
+                7
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "]",
+            "start": 8,
+            "end": 9,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 8
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            },
+            "range": [
+                8,
+                9
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 9,
+            "end": 10,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 10
+                }
+            },
+            "range": [
+                9,
+                10
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "Array",
+            "start": 11,
+            "end": 16,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 11
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            },
+            "range": [
+                11,
+                16
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "<",
+            "start": 16,
+            "end": 17,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 16
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            },
+            "range": [
+                16,
+                17
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "any",
+            "start": 17,
+            "end": 20,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            },
+            "range": [
+                17,
+                20
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ">",
+            "start": 20,
+            "end": 21,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 20
+                },
+                "end": {
+                    "line": 1,
+                    "column": 21
+                }
+            },
+            "range": [
+                20,
+                21
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 21,
+            "end": 22,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 21
+                },
+                "end": {
+                    "line": 1,
+                    "column": 22
+                }
+            },
+            "range": [
+                21,
+                22
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "=>",
+            "start": 23,
+            "end": 25,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 23
+                },
+                "end": {
+                    "line": 1,
+                    "column": 25
+                }
+            },
+            "range": [
+                23,
+                25
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 26,
+            "end": 27,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 26
+                },
+                "end": {
+                    "line": 1,
+                    "column": 27
+                }
+            },
+            "range": [
+                26,
+                27
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 27,
+            "end": 28,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 27
+                },
+                "end": {
+                    "line": 1,
+                    "column": 28
+                }
+            },
+            "range": [
+                27,
+                28
+            ]
+        }
+    ],
+    "range": [
+        0,
+        28
+    ],
+    "sourceType": "module",
+    "body": [
+        {
+            "type": "ExpressionStatement",
+            "start": 0,
+            "end": 28,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 28
+                }
+            },
+            "expression": {
+                "type": "ArrowFunctionExpression",
+                "start": 0,
+                "end": 28,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 0
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 28
+                    }
+                },
+                "id": null,
+                "generator": false,
+                "expression": false,
+                "async": false,
+                "params": [
+                    {
+                        "type": "ArrayPattern",
+                        "start": 1,
+                        "end": 21,
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 1
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 21
+                            }
+                        },
+                        "elements": [
+                            {
+                                "type": "Identifier",
+                                "start": 3,
+                                "end": 4,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 3
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 4
+                                    },
+                                    "identifierName": "a"
+                                },
+                                "name": "a",
+                                "range": [
+                                    3,
+                                    4
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            {
+                                "type": "Identifier",
+                                "start": 6,
+                                "end": 7,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 6
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 7
+                                    },
+                                    "identifierName": "b"
+                                },
+                                "name": "b",
+                                "range": [
+                                    6,
+                                    7
+                                ],
+                                "_babelType": "Identifier"
+                            }
+                        ],
+                        "typeAnnotation": {
+                            "type": "TypeAnnotation",
+                            "start": 9,
+                            "end": 21,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 9
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 21
+                                }
+                            },
+                            "typeAnnotation": {
+                                "type": "GenericTypeAnnotation",
+                                "start": 11,
+                                "end": 21,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 11
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 21
+                                    }
+                                },
+                                "typeParameters": {
+                                    "type": "TypeParameterInstantiation",
+                                    "start": 16,
+                                    "end": 21,
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 16
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 21
+                                        }
+                                    },
+                                    "params": [
+                                        {
+                                            "type": "AnyTypeAnnotation",
+                                            "start": 17,
+                                            "end": 20,
+                                            "loc": {
+                                                "start": {
+                                                    "line": 1,
+                                                    "column": 17
+                                                },
+                                                "end": {
+                                                    "line": 1,
+                                                    "column": 20
+                                                }
+                                            },
+                                            "range": [
+                                                17,
+                                                20
+                                            ],
+                                            "_babelType": "AnyTypeAnnotation"
+                                        }
+                                    ],
+                                    "range": [
+                                        16,
+                                        21
+                                    ],
+                                    "_babelType": "TypeParameterInstantiation"
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "start": 11,
+                                    "end": 16,
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 11
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 16
+                                        },
+                                        "identifierName": "Array"
+                                    },
+                                    "name": "Array",
+                                    "range": [
+                                        11,
+                                        16
+                                    ],
+                                    "_babelType": "Identifier"
+                                },
+                                "range": [
+                                    11,
+                                    21
+                                ],
+                                "_babelType": "GenericTypeAnnotation"
+                            },
+                            "range": [
+                                9,
+                                21
+                            ],
+                            "_babelType": "TypeAnnotation"
+                        },
+                        "range": [
+                            1,
+                            21
+                        ],
+                        "_babelType": "ArrayPattern"
+                    }
+                ],
+                "body": {
+                    "type": "BlockStatement",
+                    "start": 26,
+                    "end": 28,
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 26
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 28
+                        }
+                    },
+                    "body": [],
+                    "range": [
+                        26,
+                        28
+                    ],
+                    "_babelType": "BlockStatement"
+                },
+                "range": [
+                    0,
+                    28
+                ],
+                "_babelType": "ArrowFunctionExpression",
+                "defaults": []
+            },
+            "range": [
+                0,
+                28
+            ],
+            "_babelType": "ExpressionStatement"
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diff --git a/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-2.js b/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-2.js
new file mode 100644
index 0000000..ad93337
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/array-bracket-spacing/flow-destructuring-2.js
@@ -0,0 +1,567 @@
+"use strict";
+
+// ([a, b]: Array< any >) => {}
+
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 28,
+    "loc": {
+        "start": {
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+            "column": 0
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diff --git a/eslint/tests/fixtures/parsers/arrow-parens/identifer-type.js b/eslint/tests/fixtures/parsers/arrow-parens/identifer-type.js
new file mode 100644
index 0000000..747cd16
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/arrow-parens/identifer-type.js
@@ -0,0 +1,349 @@
+"use strict";
+
+// (a: T) => a
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 11,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
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+    body: [
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+            loc: {
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+                        column: 0
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+                    end: {
+                        line: 1,
+                        column: 11
+                    }
+                },
+                id: null,
+                generator: false,
+                expression: true,
+                async: false,
+                params: [
+                    {
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+                        start: 1,
+                        end: 2,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 1
+                            },
+                            end: {
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+                                column: 2
+                            }
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+                            end: 5,
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diff --git a/eslint/tests/fixtures/parsers/arrow-parens/return-type.js b/eslint/tests/fixtures/parsers/arrow-parens/return-type.js
new file mode 100644
index 0000000..5b1f6c7
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/arrow-parens/return-type.js
@@ -0,0 +1,350 @@
+"use strict";
+
+// (a): T => a
+
+exports.parse = () => ({
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+    start: 0,
+    end: 11,
+    loc: {
+        start: {
+            line: 1,
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+                    column: 11
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+                end: 11,
+                loc: {
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+                        column: 11
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+                generator: false,
+                expression: true,
+                async: false,
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+                        end: 2,
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+                                column: 1
+                            },
+                            end: {
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+                                column: 2
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+                    end: 11,
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+                        id: {
+                            type: "Identifier",
+                            start: 5,
+                            end: 6,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 5
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 6
+                                }
+                            },
+                            name: "T",
+                            range: [
+                                5,
+                                6
+                            ],
+                            _babelType: "Identifier"
+                        },
+                        range: [
+                            5,
+                            6
+                        ],
+                        _babelType: "GenericTypeAnnotation"
+                    },
+                    range: [
+                        3,
+                        6
+                    ],
+                    _babelType: "TypeAnnotation"
+                },
+                range: [
+                    0,
+                    11
+                ],
+                _babelType: "ArrowFunctionExpression"
+            },
+            range: [
+                0,
+                11
+            ],
+            _babelType: "ExpressionStatement"
+        }
+    ],
+    tokens: [
+        {
+            type: "Punctuator",
+            value: "(",
+            start: 0,
+            end: 1,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 1
+                }
+            },
+            range: [
+                0,
+                1
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "a",
+            start: 1,
+            end: 2,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 1
+                },
+                end: {
+                    line: 1,
+                    column: 2
+                }
+            },
+            range: [
+                1,
+                2
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            start: 2,
+            end: 3,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 2
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            },
+            range: [
+                2,
+                3
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ":",
+            start: 3,
+            end: 4,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 3
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            },
+            range: [
+                3,
+                4
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "T",
+            start: 5,
+            end: 6,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 5
+                },
+                end: {
+                    line: 1,
+                    column: 6
+                }
+            },
+            range: [
+                5,
+                6
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "=>",
+            start: 7,
+            end: 9,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 7
+                },
+                end: {
+                    line: 1,
+                    column: 9
+                }
+            },
+            range: [
+                7,
+                9
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "a",
+            start: 10,
+            end: 11,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 10
+                },
+                end: {
+                    line: 1,
+                    column: 11
+                }
+            },
+            range: [
+                10,
+                11
+            ]
+        },
+        {
+            type: {
+                label: "eof",
+                beforeExpr: false,
+                startsExpr: false,
+                rightAssociative: false,
+                isLoop: false,
+                isAssign: false,
+                prefix: false,
+                postfix: false,
+                binop: null,
+                updateContext: null
+            },
+            start: 11,
+            end: 11,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 11
+                },
+                end: {
+                    line: 1,
+                    column: 11
+                }
+            },
+            range: [
+                11,
+                11
+            ]
+        }
+    ],
+    comments: [],
+    range: [
+        0,
+        11
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/babel-eslint10/object-pattern-with-rest-element.js b/eslint/tests/fixtures/parsers/babel-eslint10/object-pattern-with-rest-element.js
new file mode 100644
index 0000000..84aea92
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint10/object-pattern-with-rest-element.js
@@ -0,0 +1,151 @@
+/**
+ * Parser: babel-eslint@10.0.3
+ * Source code:
+ * const { ...foo } = bar;
+ */
+exports.parse = () => ({
+  type: "Program",
+  start: 0,
+  end: 24,
+  loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 0 } },
+  range: [0, 24],
+  comments: [],
+  tokens: [
+      {
+          type: "Keyword",
+          value: "const",
+          start: 0,
+          end: 5,
+          loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } },
+          range: [0, 5]
+      },
+      {
+          type: "Punctuator",
+          value: "{",
+          start: 6,
+          end: 7,
+          loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } },
+          range: [6, 7]
+      },
+      {
+          type: "Punctuator",
+          value: "...",
+          start: 8,
+          end: 11,
+          loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 11 } },
+          range: [8, 11]
+      },
+      {
+          type: "Identifier",
+          value: "foo",
+          start: 11,
+          end: 14,
+          loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 14 } },
+          range: [11, 14]
+      },
+      {
+          type: "Punctuator",
+          value: "}",
+          start: 15,
+          end: 16,
+          loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 16 } },
+          range: [15, 16]
+      },
+      {
+          type: "Punctuator",
+          value: "=",
+          start: 17,
+          end: 18,
+          loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 18 } },
+          range: [17, 18]
+      },
+      {
+          type: "Identifier",
+          value: "bar",
+          start: 19,
+          end: 22,
+          loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 22 } },
+          range: [19, 22]
+      },
+      {
+          type: "Punctuator",
+          value: ";",
+          start: 22,
+          end: 23,
+          loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 23 } },
+          range: [22, 23]
+      }
+  ],
+  sourceType: "module",
+  body: [
+      {
+          type: "VariableDeclaration",
+          start: 0,
+          end: 23,
+          loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } },
+          range: [0, 23],
+          declarations: [
+              {
+                  type: "VariableDeclarator",
+                  start: 6,
+                  end: 22,
+                  loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 22 } },
+                  range: [6, 22],
+                  id: {
+                      type: "ObjectPattern",
+                      start: 6,
+                      end: 16,
+                      loc: {
+                          start: { line: 1, column: 6 },
+                          end: { line: 1, column: 16 }
+                      },
+                      range: [6, 16],
+                      properties: [
+                          {
+                              type: "ExperimentalRestProperty",
+                              start: 8,
+                              end: 14,
+                              loc: {
+                                  start: { line: 1, column: 8 },
+                                  end: { line: 1, column: 14 }
+                              },
+                              range: [8, 14],
+                              argument: {
+                                  type: "Identifier",
+                                  start: 11,
+                                  end: 14,
+                                  loc: {
+                                      start: { line: 1, column: 11 },
+                                      end: { line: 1, column: 14 },
+                                      identifierName: "foo"
+                                  },
+                                  range: [11, 14],
+                                  name: "foo",
+                                  _babelType: "Identifier"
+                              },
+                              _babelType: "RestElement"
+                          }
+                      ],
+                      _babelType: "ObjectPattern"
+                  },
+                  init: {
+                      type: "Identifier",
+                      start: 19,
+                      end: 22,
+                      loc: {
+                          start: { line: 1, column: 19 },
+                          end: { line: 1, column: 22 },
+                          identifierName: "bar"
+                      },
+                      range: [19, 22],
+                      name: "bar",
+                      _babelType: "Identifier"
+                  },
+                  _babelType: "VariableDeclarator"
+              }
+          ],
+          kind: "const",
+          _babelType: "VariableDeclaration"
+      }
+  ]
+});
diff --git a/eslint/tests/fixtures/parsers/babel-eslint5/destructuring-object-spread.js b/eslint/tests/fixtures/parsers/babel-eslint5/destructuring-object-spread.js
new file mode 100644
index 0000000..985446c
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint5/destructuring-object-spread.js
@@ -0,0 +1,1726 @@
+"use strict";
+
+// The AST from babel-eslint version 5.x, for the following code:
+//
+//     let { name, ...otherStuff } = obj; otherStuff = {};
+//
+
+exports.parse = function() {
+    return {
+        type: "Program",
+        start: 0,
+        end: 53,
+        loc: {
+            start: {
+                line: 1,
+                column: 0
+            },
+            end: {
+                line: 3,
+                column: 0
+            }
+        },
+        sourceType: "module",
+        body: [
+            {
+                type: "VariableDeclaration",
+                start: 0,
+                end: 34,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 1,
+                        column: 34
+                    }
+                },
+                declarations: [
+                    {
+                        type: "VariableDeclarator",
+                        start: 4,
+                        end: 33,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 4
+                            },
+                            end: {
+                                line: 1,
+                                column: 33
+                            }
+                        },
+                        id: {
+                            type: "ObjectPattern",
+                            start: 4,
+                            end: 27,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 4
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 27
+                                }
+                            },
+                            properties: [
+                                {
+                                    type: "Property",
+                                    start: 6,
+                                    end: 10,
+                                    loc: {
+                                        start: {
+                                            line: 1,
+                                            column: 6
+                                        },
+                                        end: {
+                                            line: 1,
+                                            column: 10
+                                        }
+                                    },
+                                    method: false,
+                                    shorthand: true,
+                                    computed: false,
+                                    key: {
+                                        type: "Identifier",
+                                        start: 6,
+                                        end: 10,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 6
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 10
+                                            }
+                                        },
+                                        name: "name",
+                                        range: [
+                                            6,
+                                            10
+                                        ],
+                                        _babelType: "Identifier"
+                                    },
+                                    kind: "init",
+                                    value: {
+                                        type: "Identifier",
+                                        start: 6,
+                                        end: 10,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 6
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 10
+                                            }
+                                        },
+                                        name: "name",
+                                        range: [
+                                            6,
+                                            10
+                                        ],
+                                        _babelType: "Identifier"
+                                    },
+                                    range: [
+                                        6,
+                                        10
+                                    ],
+                                    _babelType: "Property"
+                                },
+                                {
+                                    type: "SpreadProperty",
+                                    start: 12,
+                                    end: 25,
+                                    loc: {
+                                        start: {
+                                            line: 1,
+                                            column: 12
+                                        },
+                                        end: {
+                                            line: 1,
+                                            column: 25
+                                        }
+                                    },
+                                    argument: {
+                                        type: "Identifier",
+                                        start: 15,
+                                        end: 25,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 15
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 25
+                                            }
+                                        },
+                                        name: "otherStuff",
+                                        range: [
+                                            15,
+                                            25
+                                        ],
+                                        _babelType: "Identifier"
+                                    },
+                                    range: [
+                                        12,
+                                        25
+                                    ],
+                                    _babelType: "SpreadProperty",
+                                    value: {
+                                        type: "Identifier",
+                                        start: 15,
+                                        end: 25,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 15
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 25
+                                            }
+                                        },
+                                        name: "otherStuff",
+                                        range: [
+                                            15,
+                                            25
+                                        ],
+                                        _babelType: "Identifier"
+                                    },
+                                    key: {
+                                        type: "Identifier",
+                                        start: 15,
+                                        end: 25,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 15
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 25
+                                            }
+                                        },
+                                        name: "otherStuff",
+                                        range: [
+                                            15,
+                                            25
+                                        ],
+                                        _babelType: "Identifier"
+                                    }
+                                }
+                            ],
+                            range: [
+                                4,
+                                27
+                            ],
+                            _babelType: "ObjectPattern"
+                        },
+                        init: {
+                            type: "Identifier",
+                            start: 30,
+                            end: 33,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 30
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 33
+                                }
+                            },
+                            name: "obj",
+                            range: [
+                                30,
+                                33
+                            ],
+                            _babelType: "Identifier"
+                        },
+                        range: [
+                            4,
+                            33
+                        ],
+                        _babelType: "VariableDeclarator"
+                    }
+                ],
+                kind: "let",
+                range: [
+                    0,
+                    34
+                ],
+                _babelType: "VariableDeclaration"
+            },
+            {
+                type: "ExpressionStatement",
+                start: 35,
+                end: 51,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 35
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+                    end: {
+                        line: 1,
+                        column: 51
+                    }
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+                    end: 50,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 35
+                        },
+                        end: {
+                            line: 1,
+                            column: 50
+                        }
+                    },
+                    operator: "=",
+                    left: {
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+                        start: 35,
+                        end: 45,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 35
+                            },
+                            end: {
+                                line: 1,
+                                column: 45
+                            }
+                        },
+                        name: "otherStuff",
+                        range: [
+                            35,
+                            45
+                        ],
+                        _babelType: "Identifier"
+                    },
+                    right: {
+                        type: "ObjectExpression",
+                        start: 48,
+                        end: 50,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 48
+                            },
+                            end: {
+                                line: 1,
+                                column: 50
+                            }
+                        },
+                        properties: [],
+                        range: [
+                            48,
+                            50
+                        ],
+                        _babelType: "ObjectExpression"
+                    },
+                    range: [
+                        35,
+                        50
+                    ],
+                    _babelType: "AssignmentExpression"
+                },
+                range: [
+                    35,
+                    51
+                ],
+                _babelType: "ExpressionStatement"
+            }
+        ],
+        tokens: [
+            {
+                type: "Keyword",
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+                end: 3,
+                loc: {
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+                        column: 0
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+                    end: {
+                        line: 1,
+                        column: 3
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+                },
+                range: [
+                    0,
+                    3
+                ]
+            },
+            {
+                type: "Punctuator",
+                value: "{",
+                start: 4,
+                end: 5,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 4
+                    },
+                    end: {
+                        line: 1,
+                        column: 5
+                    }
+                },
+                range: [
+                    4,
+                    5
+                ]
+            },
+            {
+                type: "Identifier",
+                value: "name",
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+                end: 10,
+                loc: {
+                    start: {
+                        line: 1,
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+                    }
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+                range: [
+                    6,
+                    10
+                ]
+            },
+            {
+                type: "Punctuator",
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+                start: 10,
+                end: 11,
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+                                start: {
+                                    line: 1,
+                                    column: 48
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 50
+                                }
+                            },
+                            properties: [],
+                            range: [
+                                48,
+                                50
+                            ],
+                            _babelType: "ObjectExpression"
+                        },
+                        range: [
+                            35,
+                            50
+                        ],
+                        _babelType: "AssignmentExpression"
+                    },
+                    range: [
+                        35,
+                        51
+                    ],
+                    _babelType: "ExpressionStatement"
+                },
+                scope: null,
+                type: "ExpressionStatement",
+                typeAnnotation: null
+            }
+        ]
+    };
+};
diff --git a/eslint/tests/fixtures/parsers/babel-eslint7/array-pattern-with-annotation.js b/eslint/tests/fixtures/parsers/babel-eslint7/array-pattern-with-annotation.js
new file mode 100644
index 0000000..ffab379
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint7/array-pattern-with-annotation.js
@@ -0,0 +1,389 @@
+/**
+ * Parser: babel-eslint v7.2.3
+ * Source code:
+ * ([
+ *     foo
+ *     ]: bar) => baz
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 29,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 18
+        }
+    },
+    "comments": [],
+    "tokens": [
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 0,
+            "end": 1,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 1
+                }
+            },
+            "range": [
+                0,
+                1
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "[",
+            "start": 1,
+            "end": 2,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 1
+                },
+                "end": {
+                    "line": 1,
+                    "column": 2
+                }
+            },
+            "range": [
+                1,
+                2
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 7,
+            "end": 10,
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 7
+                }
+            },
+            "range": [
+                7,
+                10
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "]",
+            "start": 15,
+            "end": 16,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 4
+                },
+                "end": {
+                    "line": 3,
+                    "column": 5
+                }
+            },
+            "range": [
+                15,
+                16
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 16,
+            "end": 17,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 5
+                },
+                "end": {
+                    "line": 3,
+                    "column": 6
+                }
+            },
+            "range": [
+                16,
+                17
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 18,
+            "end": 21,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 7
+                },
+                "end": {
+                    "line": 3,
+                    "column": 10
+                }
+            },
+            "range": [
+                18,
+                21
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 21,
+            "end": 22,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 10
+                },
+                "end": {
+                    "line": 3,
+                    "column": 11
+                }
+            },
+            "range": [
+                21,
+                22
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "=>",
+            "start": 23,
+            "end": 25,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 12
+                },
+                "end": {
+                    "line": 3,
+                    "column": 14
+                }
+            },
+            "range": [
+                23,
+                25
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "start": 26,
+            "end": 29,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 15
+                },
+                "end": {
+                    "line": 3,
+                    "column": 18
+                }
+            },
+            "range": [
+                26,
+                29
+            ]
+        }
+    ],
+    "range": [
+        0,
+        29
+    ],
+    "sourceType": "module",
+    "body": [
+        {
+            "type": "ExpressionStatement",
+            "start": 0,
+            "end": 29,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 18
+                }
+            },
+            "expression": {
+                "type": "ArrowFunctionExpression",
+                "start": 0,
+                "end": 29,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 0
+                    },
+                    "end": {
+                        "line": 3,
+                        "column": 18
+                    }
+                },
+                "id": null,
+                "generator": false,
+                "expression": true,
+                "async": false,
+                "params": [
+                    {
+                        "type": "ArrayPattern",
+                        "start": 1,
+                        "end": 21,
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 1
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 10
+                            }
+                        },
+                        "elements": [
+                            {
+                                "type": "Identifier",
+                                "start": 7,
+                                "end": 10,
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 4
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 7
+                                    },
+                                    "identifierName": "foo"
+                                },
+                                "name": "foo",
+                                "range": [
+                                    7,
+                                    10
+                                ],
+                                "_babelType": "Identifier"
+                            }
+                        ],
+                        "typeAnnotation": {
+                            "type": "TypeAnnotation",
+                            "start": 16,
+                            "end": 21,
+                            "loc": {
+                                "start": {
+                                    "line": 3,
+                                    "column": 5
+                                },
+                                "end": {
+                                    "line": 3,
+                                    "column": 10
+                                }
+                            },
+                            "typeAnnotation": {
+                                "type": "GenericTypeAnnotation",
+                                "start": 18,
+                                "end": 21,
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 7
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 10
+                                    }
+                                },
+                                "typeParameters": null,
+                                "id": {
+                                    "type": "Identifier",
+                                    "start": 18,
+                                    "end": 21,
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 7
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 10
+                                        },
+                                        "identifierName": "bar"
+                                    },
+                                    "name": "bar",
+                                    "range": [
+                                        18,
+                                        21
+                                    ],
+                                    "_babelType": "Identifier"
+                                },
+                                "range": [
+                                    18,
+                                    21
+                                ],
+                                "_babelType": "GenericTypeAnnotation"
+                            },
+                            "range": [
+                                16,
+                                21
+                            ],
+                            "_babelType": "TypeAnnotation"
+                        },
+                        "range": [
+                            1,
+                            21
+                        ],
+                        "_babelType": "ArrayPattern"
+                    }
+                ],
+                "body": {
+                    "type": "Identifier",
+                    "start": 26,
+                    "end": 29,
+                    "loc": {
+                        "start": {
+                            "line": 3,
+                            "column": 15
+                        },
+                        "end": {
+                            "line": 3,
+                            "column": 18
+                        },
+                        "identifierName": "baz"
+                    },
+                    "name": "baz",
+                    "range": [
+                        26,
+                        29
+                    ],
+                    "_babelType": "Identifier"
+                },
+                "range": [
+                    0,
+                    29
+                ],
+                "_babelType": "ArrowFunctionExpression",
+                "defaults": []
+            },
+            "range": [
+                0,
+                29
+            ],
+            "_babelType": "ExpressionStatement"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/babel-eslint7/function-type-annotation.js b/eslint/tests/fixtures/parsers/babel-eslint7/function-type-annotation.js
new file mode 100644
index 0000000..a663b4e
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint7/function-type-annotation.js
@@ -0,0 +1,525 @@
+"use strict";
+
+/**
+ * Parser: babel-eslint v7.2.1
+ * Source code:
+ * type TransformFunction = (el: ASTElement, code: string) => string;
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 66,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 1,
+            column: 66
+        }
+    },
+    comments: [],
+    tokens: [
+        {
+            type: "Identifier",
+            value: "type",
+            start: 0,
+            end: 4,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            },
+            range: [
+                0,
+                4
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "TransformFunction",
+            start: 5,
+            end: 22,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 5
+                },
+                end: {
+                    line: 1,
+                    column: 22
+                }
+            },
+            range: [
+                5,
+                22
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "=",
+            start: 23,
+            end: 24,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 23
+                },
+                end: {
+                    line: 1,
+                    column: 24
+                }
+            },
+            range: [
+                23,
+                24
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            start: 25,
+            end: 26,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 25
+                },
+                end: {
+                    line: 1,
+                    column: 26
+                }
+            },
+            range: [
+                25,
+                26
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "el",
+            start: 26,
+            end: 28,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 26
+                },
+                end: {
+                    line: 1,
+                    column: 28
+                }
+            },
+            range: [
+                26,
+                28
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ":",
+            start: 28,
+            end: 29,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 28
+                },
+                end: {
+                    line: 1,
+                    column: 29
+                }
+            },
+            range: [
+                28,
+                29
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "ASTElement",
+            start: 30,
+            end: 40,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 30
+                },
+                end: {
+                    line: 1,
+                    column: 40
+                }
+            },
+            range: [
+                30,
+                40
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ",",
+            start: 40,
+            end: 41,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 40
+                },
+                end: {
+                    line: 1,
+                    column: 41
+                }
+            },
+            range: [
+                40,
+                41
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "code",
+            start: 42,
+            end: 46,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 42
+                },
+                end: {
+                    line: 1,
+                    column: 46
+                }
+            },
+            range: [
+                42,
+                46
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ":",
+            start: 46,
+            end: 47,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 46
+                },
+                end: {
+                    line: 1,
+                    column: 47
+                }
+            },
+            range: [
+                46,
+                47
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "string",
+            start: 48,
+            end: 54,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 48
+                },
+                end: {
+                    line: 1,
+                    column: 54
+                }
+            },
+            range: [
+                48,
+                54
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            start: 54,
+            end: 55,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 54
+                },
+                end: {
+                    line: 1,
+                    column: 55
+                }
+            },
+            range: [
+                54,
+                55
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "=>",
+            start: 56,
+            end: 58,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 56
+                },
+                end: {
+                    line: 1,
+                    column: 58
+                }
+            },
+            range: [
+                56,
+                58
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "string",
+            start: 59,
+            end: 65,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 59
+                },
+                end: {
+                    line: 1,
+                    column: 65
+                }
+            },
+            range: [
+                59,
+                65
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            start: 65,
+            end: 66,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 65
+                },
+                end: {
+                    line: 1,
+                    column: 66
+                }
+            },
+            range: [
+                65,
+                66
+            ]
+        }
+    ],
+    range: [
+        0,
+        66
+    ],
+    sourceType: "module",
+    body: [
+        {
+            type: "TypeAlias",
+            start: 0,
+            end: 66,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 66
+                }
+            },
+            id: {
+                type: "Identifier",
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+                end: 22,
+                loc: {
+                    start: {
+                        line: 1,
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+                        line: 1,
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+                    },
+                    identifierName: "TransformFunction"
+                },
+                name: "TransformFunction",
+                range: [
+                    5,
+                    22
+                ],
+                _babelType: "Identifier"
+            },
+            typeParameters: null,
+            right: {
+                type: "FunctionTypeAnnotation",
+                start: 25,
+                end: 65,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 25
+                    },
+                    end: {
+                        line: 1,
+                        column: 65
+                    }
+                },
+                params: [
+                    {
+                        type: "FunctionTypeParam",
+                        start: 26,
+                        end: 40,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 26
+                            },
+                            end: {
+                                line: 1,
+                                column: 40
+                            }
+                        },
+                        optional: false,
+                        typeAnnotation: {
+                            type: "GenericTypeAnnotation",
+                            start: 30,
+                            end: 40,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 30
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 40
+                                }
+                            },
+                            typeParameters: null,
+                            id: {
+                                type: "Identifier",
+                                start: 30,
+                                end: 40,
+                                loc: {
+                                    start: {
+                                        line: 1,
+                                        column: 30
+                                    },
+                                    end: {
+                                        line: 1,
+                                        column: 40
+                                    },
+                                    identifierName: "ASTElement"
+                                },
+                                name: "ASTElement",
+                                range: [
+                                    30,
+                                    40
+                                ],
+                                _babelType: "Identifier"
+                            },
+                            range: [
+                                30,
+                                40
+                            ],
+                            _babelType: "GenericTypeAnnotation"
+                        },
+                        range: [
+                            26,
+                            40
+                        ],
+                        _babelType: "FunctionTypeParam"
+                    },
+                    {
+                        type: "FunctionTypeParam",
+                        start: 42,
+                        end: 54,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 42
+                            },
+                            end: {
+                                line: 1,
+                                column: 54
+                            }
+                        },
+                        optional: false,
+                        typeAnnotation: {
+                            type: "StringTypeAnnotation",
+                            start: 48,
+                            end: 54,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 48
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 54
+                                }
+                            },
+                            range: [
+                                48,
+                                54
+                            ],
+                            _babelType: "StringTypeAnnotation"
+                        },
+                        range: [
+                            42,
+                            54
+                        ],
+                        _babelType: "FunctionTypeParam"
+                    }
+                ],
+                rest: null,
+                returnType: {
+                    type: "StringTypeAnnotation",
+                    start: 59,
+                    end: 65,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 59
+                        },
+                        end: {
+                            line: 1,
+                            column: 65
+                        }
+                    },
+                    range: [
+                        59,
+                        65
+                    ],
+                    _babelType: "StringTypeAnnotation"
+                },
+                typeParameters: null,
+                range: [
+                    25,
+                    65
+                ],
+                _babelType: "FunctionTypeAnnotation"
+            },
+            range: [
+                0,
+                66
+            ],
+            _babelType: "TypeAlias"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-annotation.js b/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-annotation.js
new file mode 100644
index 0000000..3eb4215
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-annotation.js
@@ -0,0 +1,438 @@
+/**
+ * Parser: babel-eslint v7.2.3
+ * Source code:
+ * ({
+ *     foo
+ *     }: bar) => baz
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 29,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 3,
+            column: 18
+        }
+    },
+    comments: [],
+    tokens: [
+        {
+            type: "Punctuator",
+            value: "(",
+            start: 0,
+            end: 1,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 1
+                }
+            },
+            range: [
+                0,
+                1
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "{",
+            start: 1,
+            end: 2,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 1
+                },
+                end: {
+                    line: 1,
+                    column: 2
+                }
+            },
+            range: [
+                1,
+                2
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "foo",
+            start: 7,
+            end: 10,
+            loc: {
+                start: {
+                    line: 2,
+                    column: 4
+                },
+                end: {
+                    line: 2,
+                    column: 7
+                }
+            },
+            range: [
+                7,
+                10
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "}",
+            start: 15,
+            end: 16,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 4
+                },
+                end: {
+                    line: 3,
+                    column: 5
+                }
+            },
+            range: [
+                15,
+                16
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ":",
+            start: 16,
+            end: 17,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 5
+                },
+                end: {
+                    line: 3,
+                    column: 6
+                }
+            },
+            range: [
+                16,
+                17
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "bar",
+            start: 18,
+            end: 21,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 7
+                },
+                end: {
+                    line: 3,
+                    column: 10
+                }
+            },
+            range: [
+                18,
+                21
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            start: 21,
+            end: 22,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 10
+                },
+                end: {
+                    line: 3,
+                    column: 11
+                }
+            },
+            range: [
+                21,
+                22
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "=>",
+            start: 23,
+            end: 25,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 12
+                },
+                end: {
+                    line: 3,
+                    column: 14
+                }
+            },
+            range: [
+                23,
+                25
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "baz",
+            start: 26,
+            end: 29,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 15
+                },
+                end: {
+                    line: 3,
+                    column: 18
+                }
+            },
+            range: [
+                26,
+                29
+            ]
+        }
+    ],
+    range: [
+        0,
+        29
+    ],
+    sourceType: "module",
+    body: [
+        {
+            type: "ExpressionStatement",
+            start: 0,
+            end: 29,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 18
+                }
+            },
+            expression: {
+                type: "ArrowFunctionExpression",
+                start: 0,
+                end: 29,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 3,
+                        column: 18
+                    }
+                },
+                id: null,
+                generator: false,
+                expression: true,
+                async: false,
+                params: [
+                    {
+                        type: "ObjectPattern",
+                        start: 1,
+                        end: 21,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 1
+                            },
+                            end: {
+                                line: 3,
+                                column: 10
+                            }
+                        },
+                        properties: [
+                            {
+                                type: "Property",
+                                start: 7,
+                                end: 10,
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 4
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 7
+                                    }
+                                },
+                                method: false,
+                                shorthand: true,
+                                computed: false,
+                                key: {
+                                    type: "Identifier",
+                                    start: 7,
+                                    end: 10,
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 4
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 7
+                                        },
+                                        identifierName: "foo"
+                                    },
+                                    name: "foo",
+                                    range: [
+                                        7,
+                                        10
+                                    ],
+                                    _babelType: "Identifier"
+                                },
+                                value: {
+                                    type: "Identifier",
+                                    start: 7,
+                                    end: 10,
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 4
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 7
+                                        },
+                                        identifierName: "foo"
+                                    },
+                                    name: "foo",
+                                    range: [
+                                        7,
+                                        10
+                                    ],
+                                    _babelType: "Identifier"
+                                },
+                                extra: {
+                                    shorthand: true
+                                },
+                                range: [
+                                    7,
+                                    10
+                                ],
+                                _babelType: "ObjectProperty",
+                                kind: "init"
+                            }
+                        ],
+                        typeAnnotation: {
+                            type: "TypeAnnotation",
+                            start: 16,
+                            end: 21,
+                            loc: {
+                                start: {
+                                    line: 3,
+                                    column: 5
+                                },
+                                end: {
+                                    line: 3,
+                                    column: 10
+                                }
+                            },
+                            typeAnnotation: {
+                                type: "GenericTypeAnnotation",
+                                start: 18,
+                                end: 21,
+                                loc: {
+                                    start: {
+                                        line: 3,
+                                        column: 7
+                                    },
+                                    end: {
+                                        line: 3,
+                                        column: 10
+                                    }
+                                },
+                                typeParameters: null,
+                                id: {
+                                    type: "Identifier",
+                                    start: 18,
+                                    end: 21,
+                                    loc: {
+                                        start: {
+                                            line: 3,
+                                            column: 7
+                                        },
+                                        end: {
+                                            line: 3,
+                                            column: 10
+                                        },
+                                        identifierName: "bar"
+                                    },
+                                    name: "bar",
+                                    range: [
+                                        18,
+                                        21
+                                    ],
+                                    _babelType: "Identifier"
+                                },
+                                range: [
+                                    18,
+                                    21
+                                ],
+                                _babelType: "GenericTypeAnnotation"
+                            },
+                            range: [
+                                16,
+                                21
+                            ],
+                            _babelType: "TypeAnnotation"
+                        },
+                        range: [
+                            1,
+                            21
+                        ],
+                        _babelType: "ObjectPattern"
+                    }
+                ],
+                body: {
+                    type: "Identifier",
+                    start: 26,
+                    end: 29,
+                    loc: {
+                        start: {
+                            line: 3,
+                            column: 15
+                        },
+                        end: {
+                            line: 3,
+                            column: 18
+                        },
+                        identifierName: "baz"
+                    },
+                    name: "baz",
+                    range: [
+                        26,
+                        29
+                    ],
+                    _babelType: "Identifier"
+                },
+                range: [
+                    0,
+                    29
+                ],
+                _babelType: "ArrowFunctionExpression",
+                defaults: []
+            },
+            range: [
+                0,
+                29
+            ],
+            _babelType: "ExpressionStatement"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-object-annotation.js b/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-object-annotation.js
new file mode 100644
index 0000000..4ff2e03
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/babel-eslint7/object-pattern-with-object-annotation.js
@@ -0,0 +1,439 @@
+/**
+ * Parser: babel-eslint v7.2.3
+ * Source code:
+ * ({
+ *     foo
+ *     }: {}) => baz
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 28,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 3,
+            column: 17
+        }
+    },
+    comments: [],
+    tokens: [
+        {
+            type: "Punctuator",
+            value: "(",
+            start: 0,
+            end: 1,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 1
+                }
+            },
+            range: [
+                0,
+                1
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "{",
+            start: 1,
+            end: 2,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 1
+                },
+                end: {
+                    line: 1,
+                    column: 2
+                }
+            },
+            range: [
+                1,
+                2
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "foo",
+            start: 7,
+            end: 10,
+            loc: {
+                start: {
+                    line: 2,
+                    column: 4
+                },
+                end: {
+                    line: 2,
+                    column: 7
+                }
+            },
+            range: [
+                7,
+                10
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "}",
+            start: 15,
+            end: 16,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 4
+                },
+                end: {
+                    line: 3,
+                    column: 5
+                }
+            },
+            range: [
+                15,
+                16
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ":",
+            start: 16,
+            end: 17,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 5
+                },
+                end: {
+                    line: 3,
+                    column: 6
+                }
+            },
+            range: [
+                16,
+                17
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "{",
+            start: 18,
+            end: 19,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 7
+                },
+                end: {
+                    line: 3,
+                    column: 8
+                }
+            },
+            range: [
+                18,
+                19
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "}",
+            start: 19,
+            end: 20,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 8
+                },
+                end: {
+                    line: 3,
+                    column: 9
+                }
+            },
+            range: [
+                19,
+                20
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            start: 20,
+            end: 21,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 9
+                },
+                end: {
+                    line: 3,
+                    column: 10
+                }
+            },
+            range: [
+                20,
+                21
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "=>",
+            start: 22,
+            end: 24,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 11
+                },
+                end: {
+                    line: 3,
+                    column: 13
+                }
+            },
+            range: [
+                22,
+                24
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "baz",
+            start: 25,
+            end: 28,
+            loc: {
+                start: {
+                    line: 3,
+                    column: 14
+                },
+                end: {
+                    line: 3,
+                    column: 17
+                }
+            },
+            range: [
+                25,
+                28
+            ]
+        }
+    ],
+    range: [
+        0,
+        28
+    ],
+    sourceType: "module",
+    body: [
+        {
+            type: "ExpressionStatement",
+            start: 0,
+            end: 28,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 17
+                }
+            },
+            expression: {
+                type: "ArrowFunctionExpression",
+                start: 0,
+                end: 28,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 3,
+                        column: 17
+                    }
+                },
+                id: null,
+                generator: false,
+                expression: true,
+                async: false,
+                params: [
+                    {
+                        type: "ObjectPattern",
+                        start: 1,
+                        end: 20,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 1
+                            },
+                            end: {
+                                line: 3,
+                                column: 9
+                            }
+                        },
+                        properties: [
+                            {
+                                type: "Property",
+                                start: 7,
+                                end: 10,
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 4
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 7
+                                    }
+                                },
+                                method: false,
+                                shorthand: true,
+                                computed: false,
+                                key: {
+                                    type: "Identifier",
+                                    start: 7,
+                                    end: 10,
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 4
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 7
+                                        },
+                                        identifierName: "foo"
+                                    },
+                                    name: "foo",
+                                    range: [
+                                        7,
+                                        10
+                                    ],
+                                    _babelType: "Identifier"
+                                },
+                                value: {
+                                    type: "Identifier",
+                                    start: 7,
+                                    end: 10,
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 4
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 7
+                                        },
+                                        identifierName: "foo"
+                                    },
+                                    name: "foo",
+                                    range: [
+                                        7,
+                                        10
+                                    ],
+                                    _babelType: "Identifier"
+                                },
+                                extra: {
+                                    shorthand: true
+                                },
+                                range: [
+                                    7,
+                                    10
+                                ],
+                                _babelType: "ObjectProperty",
+                                kind: "init"
+                            }
+                        ],
+                        typeAnnotation: {
+                            type: "TypeAnnotation",
+                            start: 16,
+                            end: 20,
+                            loc: {
+                                start: {
+                                    line: 3,
+                                    column: 5
+                                },
+                                end: {
+                                    line: 3,
+                                    column: 9
+                                }
+                            },
+                            typeAnnotation: {
+                                type: "ObjectTypeAnnotation",
+                                start: 18,
+                                end: 20,
+                                loc: {
+                                    start: {
+                                        line: 3,
+                                        column: 7
+                                    },
+                                    end: {
+                                        line: 3,
+                                        column: 9
+                                    }
+                                },
+                                callProperties: [],
+                                properties: [],
+                                indexers: [],
+                                exact: false,
+                                range: [
+                                    18,
+                                    20
+                                ],
+                                _babelType: "ObjectTypeAnnotation"
+                            },
+                            range: [
+                                16,
+                                20
+                            ],
+                            _babelType: "TypeAnnotation"
+                        },
+                        range: [
+                            1,
+                            20
+                        ],
+                        _babelType: "ObjectPattern"
+                    }
+                ],
+                body: {
+                    type: "Identifier",
+                    start: 25,
+                    end: 28,
+                    loc: {
+                        start: {
+                            line: 3,
+                            column: 14
+                        },
+                        end: {
+                            line: 3,
+                            column: 17
+                        },
+                        identifierName: "baz"
+                    },
+                    name: "baz",
+                    range: [
+                        25,
+                        28
+                    ],
+                    _babelType: "Identifier"
+                },
+                range: [
+                    0,
+                    28
+                ],
+                _babelType: "ArrowFunctionExpression",
+                defaults: []
+            },
+            range: [
+                0,
+                28
+            ],
+            _babelType: "ExpressionStatement"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-1.js b/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-1.js
new file mode 100644
index 0000000..8663d38
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-1.js
@@ -0,0 +1,1148 @@
+"use strict";
+
+// The AST of the following code:
+//
+//     function foo({a}: {a: string,}) {}
+//
+
+module.exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 34,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 1,
+            column: 34
+        }
+    },
+    sourceType: "module",
+    body: [
+        {
+            type: "FunctionDeclaration",
+            start: 0,
+            end: 34,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 34
+                }
+            },
+            id: {
+                type: "Identifier",
+                start: 9,
+                end: 12,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 9
+                    },
+                    end: {
+                        line: 1,
+                        column: 12
+                    }
+                },
+                name: "foo",
+                range: [
+                    9,
+                    12
+                ],
+                _babelType: "Identifier"
+            },
+            generator: false,
+            expression: false,
+            async: false,
+            params: [
+                {
+                    type: "ObjectPattern",
+                    start: 13,
+                    end: 30,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 13
+                        },
+                        end: {
+                            line: 1,
+                            column: 30
+                        }
+                    },
+                    properties: [
+                        {
+                            type: "Property",
+                            start: 14,
+                            end: 15,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 14
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 15
+                                }
+                            },
+                            method: false,
+                            shorthand: true,
+                            computed: false,
+                            key: {
+                                type: "Identifier",
+                                start: 14,
+                                end: 15,
+                                loc: {
+                                    start: {
+                                        line: 1,
+                                        column: 14
+                                    },
+                                    end: {
+                                        line: 1,
+                                        column: 15
+                                    }
+                                },
+                                name: "a",
+                                range: [
+                                    14,
+                                    15
+                                ],
+                                _babelType: "Identifier"
+                            },
+                            kind: "init",
+                            value: {
+                                type: "Identifier",
+                                start: 14,
+                                end: 15,
+                                loc: {
+                                    start: {
+                                        line: 1,
+                                        column: 14
+                                    },
+                                    end: {
+                                        line: 1,
+                                        column: 15
+                                    }
+                                },
+                                name: "a",
+                                range: [
+                                    14,
+                                    15
+                                ],
+                                _babelType: "Identifier"
+                            },
+                            range: [
+                                14,
+                                15
+                            ],
+                            _babelType: "Property"
+                        }
+                    ],
+                    typeAnnotation: {
+                        type: "TypeAnnotation",
+                        start: 16,
+                        end: 30,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 16
+                            },
+                            end: {
+                                line: 1,
+                                column: 30
+                            }
+                        },
+                        typeAnnotation: {
+                            type: "ObjectTypeAnnotation",
+                            start: 18,
+                            end: 30,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 18
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 30
+                                }
+                            },
+                            callProperties: [],
+                            properties: [
+                                {
+                                    type: "ObjectTypeProperty",
+                                    start: 19,
+                                    end: 29,
+                                    loc: {
+                                        start: {
+                                            line: 1,
+                                            column: 19
+                                        },
+                                        end: {
+                                            line: 1,
+                                            column: 29
+                                        }
+                                    },
+                                    value: {
+                                        type: "StringTypeAnnotation",
+                                        start: 22,
+                                        end: 28,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 22
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 28
+                                            }
+                                        },
+                                        range: [
+                                            22,
+                                            28
+                                        ],
+                                        _babelType: "StringTypeAnnotation"
+                                    },
+                                    optional: false,
+                                    range: [
+                                        19,
+                                        29
+                                    ],
+                                    _babelType: "ObjectTypeProperty"
+                                }
+                            ],
+                            indexers: [],
+                            range: [
+                                18,
+                                30
+                            ],
+                            _babelType: "ObjectTypeAnnotation"
+                        },
+                        range: [
+                            16,
+                            30
+                        ],
+                        _babelType: "TypeAnnotation"
+                    },
+                    range: [
+                        13,
+                        30
+                    ],
+                    _babelType: "ObjectPattern"
+                }
+            ],
+            body: {
+                type: "BlockStatement",
+                start: 32,
+                end: 34,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 32
+                    },
+                    end: {
+                        line: 1,
+                        column: 34
+                    }
+                },
+                body: [],
+                range: [
+                    32,
+                    34
+                ],
+                _babelType: "BlockStatement"
+            },
+            range: [
+                0,
+                34
+            ],
+            _babelType: "FunctionDeclaration"
+        }
+    ],
+    tokens: [
+        {
+            type: "Keyword",
+            value: "function",
+            start: 0,
+            end: 8,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 8
+                }
+            },
+            range: [
+                0,
+                8
+            ]
+        },
+        {
+            type: "Identifier",
+            value: "foo",
+            start: 9,
+            end: 12,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 9
+                },
+                end: {
+                    line: 1,
+                    column: 12
+                }
+            },
+            range: [
+                9,
+                12
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            start: 12,
+            end: 13,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 12
+                },
+                end: {
+                    line: 1,
+                    column: 13
+                }
+            },
+            range: [
+                12,
+                13
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "{",
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diff --git a/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-2.js b/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-2.js
new file mode 100644
index 0000000..73cd672
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/comma-dangle/object-pattern-2.js
@@ -0,0 +1,1148 @@
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diff --git a/eslint/tests/fixtures/parsers/comma-dangle/return-type-1.js b/eslint/tests/fixtures/parsers/comma-dangle/return-type-1.js
new file mode 100644
index 0000000..613a791
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/comma-dangle/return-type-1.js
@@ -0,0 +1,907 @@
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diff --git a/eslint/tests/fixtures/parsers/comma-dangle/return-type-2.js b/eslint/tests/fixtures/parsers/comma-dangle/return-type-2.js
new file mode 100644
index 0000000..7c5643c
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/comma-dangle/return-type-2.js
@@ -0,0 +1,907 @@
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+                end: {
+                    line: 1,
+                    column: 32
+                }
+            },
+            range: [
+                31,
+                32
+            ]
+        },
+        {
+            type: "Punctuator",
+            value: "}",
+            start: 32,
+            end: 33,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 32
+                },
+                end: {
+                    line: 1,
+                    column: 33
+                }
+            },
+            range: [
+                32,
+                33
+            ]
+        },
+        {
+            type: {
+                label: "eof",
+                beforeExpr: false,
+                startsExpr: false,
+                rightAssociative: false,
+                isLoop: false,
+                isAssign: false,
+                prefix: false,
+                postfix: false,
+                binop: null,
+                updateContext: null
+            },
+            start: 33,
+            end: 33,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 33
+                },
+                end: {
+                    line: 1,
+                    column: 33
+                }
+            },
+            range: [
+                33,
+                33
+            ]
+        }
+    ],
+    comments: [],
+    range: [
+        0,
+        33
+    ],
+    _paths: [
+        {
+            contexts: [],
+            parent: "[Circular ~]",
+            data: {},
+            shouldSkip: false,
+            shouldStop: false,
+            removed: false,
+            opts: {
+                noScope: true,
+                enter: [
+                    null
+                ],
+                exit: [
+                    null
+                ],
+                _exploded: true,
+                _verified: true
+            },
+            skipKeys: {},
+            parentPath: null,
+            context: {
+                queue: null,
+                opts: {
+                    noScope: true,
+                    enter: [
+                        null
+                    ],
+                    exit: [
+                        null
+                    ],
+                    _exploded: true,
+                    _verified: true
+                }
+            },
+            container: [
+                {
+                    type: "FunctionDeclaration",
+                    start: 0,
+                    end: 33,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 33
+                        }
+                    },
+                    id: {
+                        type: "Identifier",
+                        start: 9,
+                        end: 12,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 9
+                            },
+                            end: {
+                                line: 1,
+                                column: 12
+                            }
+                        },
+                        name: "foo",
+                        range: [
+                            9,
+                            12
+                        ],
+                        _babelType: "Identifier"
+                    },
+                    generator: false,
+                    expression: false,
+                    async: false,
+                    params: [
+                        {
+                            type: "Identifier",
+                            start: 13,
+                            end: 14,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 13
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 14
+                                }
+                            },
+                            name: "a",
+                            range: [
+                                13,
+                                14
+                            ],
+                            _babelType: "Identifier"
+                        }
+                    ],
+                    returnType: {
+                        type: "TypeAnnotation",
+                        start: 16,
+                        end: 30,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 16
+                            },
+                            end: {
+                                line: 1,
+                                column: 30
+                            }
+                        },
+                        typeAnnotation: {
+                            type: "ObjectTypeAnnotation",
+                            start: 18,
+                            end: 30,
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 18
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 30
+                                }
+                            },
+                            callProperties: [],
+                            properties: [
+                                {
+                                    type: "ObjectTypeProperty",
+                                    start: 19,
+                                    end: 29,
+                                    loc: {
+                                        start: {
+                                            line: 1,
+                                            column: 19
+                                        },
+                                        end: {
+                                            line: 1,
+                                            column: 29
+                                        }
+                                    },
+                                    value: {
+                                        type: "BooleanTypeAnnotation",
+                                        start: 22,
+                                        end: 29,
+                                        loc: {
+                                            start: {
+                                                line: 1,
+                                                column: 22
+                                            },
+                                            end: {
+                                                line: 1,
+                                                column: 29
+                                            }
+                                        },
+                                        range: [
+                                            22,
+                                            29
+                                        ],
+                                        _babelType: "BooleanTypeAnnotation"
+                                    },
+                                    optional: false,
+                                    range: [
+                                        19,
+                                        29
+                                    ],
+                                    _babelType: "ObjectTypeProperty"
+                                }
+                            ],
+                            indexers: [],
+                            range: [
+                                18,
+                                30
+                            ],
+                            _babelType: "ObjectTypeAnnotation"
+                        },
+                        range: [
+                            16,
+                            30
+                        ],
+                        _babelType: "TypeAnnotation"
+                    },
+                    body: {
+                        type: "BlockStatement",
+                        start: 31,
+                        end: 33,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 31
+                            },
+                            end: {
+                                line: 1,
+                                column: 33
+                            }
+                        },
+                        body: [],
+                        range: [
+                            31,
+                            33
+                        ],
+                        _babelType: "BlockStatement"
+                    },
+                    range: [
+                        0,
+                        33
+                    ],
+                    _babelType: "FunctionDeclaration"
+                }
+            ],
+            listKey: "body",
+            inList: true,
+            parentKey: "body",
+            key: 0,
+            node: {
+                type: "FunctionDeclaration",
+                start: 0,
+                end: 33,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 1,
+                        column: 33
+                    }
+                },
+                id: {
+                    type: "Identifier",
+                    start: 9,
+                    end: 12,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 9
+                        },
+                        end: {
+                            line: 1,
+                            column: 12
+                        }
+                    },
+                    name: "foo",
+                    range: [
+                        9,
+                        12
+                    ],
+                    _babelType: "Identifier"
+                },
+                generator: false,
+                expression: false,
+                async: false,
+                params: [
+                    {
+                        type: "Identifier",
+                        start: 13,
+                        end: 14,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 13
+                            },
+                            end: {
+                                line: 1,
+                                column: 14
+                            }
+                        },
+                        name: "a",
+                        range: [
+                            13,
+                            14
+                        ],
+                        _babelType: "Identifier"
+                    }
+                ],
+                returnType: {
+                    type: "TypeAnnotation",
+                    start: 16,
+                    end: 30,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 16
+                        },
+                        end: {
+                            line: 1,
+                            column: 30
+                        }
+                    },
+                    typeAnnotation: {
+                        type: "ObjectTypeAnnotation",
+                        start: 18,
+                        end: 30,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 18
+                            },
+                            end: {
+                                line: 1,
+                                column: 30
+                            }
+                        },
+                        callProperties: [],
+                        properties: [
+                            {
+                                type: "ObjectTypeProperty",
+                                start: 19,
+                                end: 29,
+                                loc: {
+                                    start: {
+                                        line: 1,
+                                        column: 19
+                                    },
+                                    end: {
+                                        line: 1,
+                                        column: 29
+                                    }
+                                },
+                                value: {
+                                    type: "BooleanTypeAnnotation",
+                                    start: 22,
+                                    end: 29,
+                                    loc: {
+                                        start: {
+                                            line: 1,
+                                            column: 22
+                                        },
+                                        end: {
+                                            line: 1,
+                                            column: 29
+                                        }
+                                    },
+                                    range: [
+                                        22,
+                                        29
+                                    ],
+                                    _babelType: "BooleanTypeAnnotation"
+                                },
+                                optional: false,
+                                range: [
+                                    19,
+                                    29
+                                ],
+                                _babelType: "ObjectTypeProperty"
+                            }
+                        ],
+                        indexers: [],
+                        range: [
+                            18,
+                            30
+                        ],
+                        _babelType: "ObjectTypeAnnotation"
+                    },
+                    range: [
+                        16,
+                        30
+                    ],
+                    _babelType: "TypeAnnotation"
+                },
+                body: {
+                    type: "BlockStatement",
+                    start: 31,
+                    end: 33,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 31
+                        },
+                        end: {
+                            line: 1,
+                            column: 33
+                        }
+                    },
+                    body: [],
+                    range: [
+                        31,
+                        33
+                    ],
+                    _babelType: "BlockStatement"
+                },
+                range: [
+                    0,
+                    33
+                ],
+                _babelType: "FunctionDeclaration"
+            },
+            scope: null,
+            type: "FunctionDeclaration",
+            typeAnnotation: null
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/enhanced-parser.js b/eslint/tests/fixtures/parsers/enhanced-parser.js
new file mode 100644
index 0000000..3ef33c6
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/enhanced-parser.js
@@ -0,0 +1,18 @@
+var espree = require("espree");
+
+exports.parseForESLint = function(code, options) {
+    return {
+        ast: espree.parse(code, options),
+        services: {
+            test: {
+                getMessage() {
+                    return "Hi!";
+                }
+            }
+        }
+    };
+};
+
+exports.parse = function() {
+    throw new Error("Use parseForESLint() instead.");
+};
diff --git a/eslint/tests/fixtures/parsers/enhanced-parser2.js b/eslint/tests/fixtures/parsers/enhanced-parser2.js
new file mode 100644
index 0000000..581a8ec
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/enhanced-parser2.js
@@ -0,0 +1,23 @@
+"use strict";
+
+const assert = require("assert");
+const vk = require("eslint-visitor-keys");
+const KEYS = vk.unionWith({
+    ClassDeclaration: ["experimentalDecorators"],
+    ClassExpression: ["experimentalDecorators"]
+})
+
+exports.parseForESLint = (code, options) => {
+    assert(code === "@foo class A {}");
+    assert(options.eslintVisitorKeys === true);
+    assert(options.eslintScopeManager === true);
+
+    return {
+        ast: { type: "Program", start: 0, end: 15, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } }, comments: [], tokens: [{ type: "Punctuator", value: "@", start: 0, end: 1, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } }, range: [0, 1] }, { type: "Identifier", value: "foo", start: 1, end: 4, loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 4 } }, range: [1, 4] }, { type: "Keyword", value: "class", start: 5, end: 10, loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 10 } }, range: [5, 10] }, { type: "Identifier", value: "A", start: 11, end: 12, loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } }, range: [11, 12] }, { type: "Punctuator", value: "{", start: 13, end: 14, loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } }, range: [13, 14] }, { type: "Punctuator", value: "}", start: 14, end: 15, loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }, range: [14, 15] }], range: [5, 15], sourceType: "module", body: [{ type: "ClassDeclaration", start: 5, end: 15, loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 15 } }, experimentalDecorators: [{ type: "Decorator", start: 0, end: 4, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } }, expression: { type: "Identifier", start: 1, end: 4, loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 4 }, identifierName: "foo" }, name: "foo", range: [1, 4], _babelType: "Identifier" }, range: [0, 4], _babelType: "Decorator" }], id: { type: "Identifier", start: 11, end: 12, loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 }, identifierName: "A" }, name: "A", range: [11, 12], _babelType: "Identifier" }, superClass: null, body: { type: "ClassBody", start: 13, end: 15, loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 15 } }, body: [], range: [13, 15], _babelType: "ClassBody" }, range: [5, 15], _babelType: "ClassDeclaration" }] },
+        visitorKeys: KEYS
+    };
+};
+
+exports.parse = function () {
+    throw new Error("Use parseForESLint() instead.");
+};
diff --git a/eslint/tests/fixtures/parsers/enhanced-parser3.js b/eslint/tests/fixtures/parsers/enhanced-parser3.js
new file mode 100644
index 0000000..bc08e3d
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/enhanced-parser3.js
@@ -0,0 +1,63 @@
+"use strict";
+
+const assert = require("assert");
+const ScopeManager = require("eslint-scope/lib/scope-manager");
+const Referencer = require("eslint-scope/lib/referencer");
+const vk = require("eslint-visitor-keys");
+
+class EnhancedReferencer extends Referencer {
+    visitClass(node) {
+
+        // Visit decorators.
+        if (node.experimentalDecorators) {
+            for (const decorator of node.experimentalDecorators) {
+                this.visit(decorator);
+            }
+        }
+
+        // Do default.
+        super.visitClass(node);
+    }
+
+    Decorator(node) {
+        if (node.expression) {
+            this.visit(node.expression);
+        }
+    }
+}
+
+function analyzeScope(ast) {
+    const options = {
+        optimistic: false,
+        directive: false,
+        nodejsScope: false,
+        impliedStrict: false,
+        sourceType: "script",
+        ecmaVersion: 6,
+        childVisitorKeys: null,
+        fallback: vk.getKeys
+    };
+    const scopeManager = new ScopeManager(options);
+    const referencer = new EnhancedReferencer(options, scopeManager);
+
+    referencer.visit(ast);
+
+    return scopeManager;
+}
+
+exports.parseForESLint = (code, options) => {
+    assert(code === "@foo class A {}");
+    assert(options.eslintVisitorKeys === true);
+    assert(options.eslintScopeManager === true);
+
+    const ast = { type: "Program", start: 0, end: 15, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } }, comments: [], tokens: [{ type: "Punctuator", value: "@", start: 0, end: 1, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } }, range: [0, 1] }, { type: "Identifier", value: "foo", start: 1, end: 4, loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 4 } }, range: [1, 4] }, { type: "Keyword", value: "class", start: 5, end: 10, loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 10 } }, range: [5, 10] }, { type: "Identifier", value: "A", start: 11, end: 12, loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } }, range: [11, 12] }, { type: "Punctuator", value: "{", start: 13, end: 14, loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } }, range: [13, 14] }, { type: "Punctuator", value: "}", start: 14, end: 15, loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }, range: [14, 15] }], range: [5, 15], sourceType: "module", body: [{ type: "ClassDeclaration", start: 5, end: 15, loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 15 } }, experimentalDecorators: [{ type: "Decorator", start: 0, end: 4, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } }, expression: { type: "Identifier", start: 1, end: 4, loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 4 }, identifierName: "foo" }, name: "foo", range: [1, 4], _babelType: "Identifier" }, range: [0, 4], _babelType: "Decorator" }], id: { type: "Identifier", start: 11, end: 12, loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 }, identifierName: "A" }, name: "A", range: [11, 12], _babelType: "Identifier" }, superClass: null, body: { type: "ClassBody", start: 13, end: 15, loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 15 } }, body: [], range: [13, 15], _babelType: "ClassBody" }, range: [5, 15], _babelType: "ClassDeclaration" }] };
+
+    return {
+        ast,
+        scopeManager: analyzeScope(ast)
+    };
+};
+
+exports.parse = function () {
+    throw new Error("Use parseForESLint() instead.");
+};
diff --git a/eslint/tests/fixtures/parsers/line-error.js b/eslint/tests/fixtures/parsers/line-error.js
new file mode 100644
index 0000000..6b673ee
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/line-error.js
@@ -0,0 +1,5 @@
+exports.expectedError = "Failed to parse: unexpected token";
+
+exports.parse = function() {
+    throw new Error("Line 123: " + exports.expectedError);
+}
diff --git a/eslint/tests/fixtures/parsers/linter-test-parsers.js b/eslint/tests/fixtures/parsers/linter-test-parsers.js
new file mode 100644
index 0000000..dc81e34
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/linter-test-parsers.js
@@ -0,0 +1,14 @@
+// Accumulates all of the parsers used by `tests/lib/linter.js`.
+// This file will get bundled so that those tests can be run in a browser.
+
+module.exports = {
+    enhancedParser: require("./enhanced-parser"),
+    stubParser: require("./stub-parser"),
+    unknownLogicalOperator: require("./unknown-operators/unknown-logical-operator"),
+    unknownLogicalOperatorNested: require("./unknown-operators/unknown-logical-operator-nested"),
+    lineError: require("./line-error"),
+    noLineError: require("./no-line-error"),
+    enhancedParser2: require("./enhanced-parser2"),
+    enhancedParser3: require("./enhanced-parser3"),
+    throwsWithOptions: require("./throws-with-options")
+};
diff --git a/eslint/tests/fixtures/parsers/no-line-error.js b/eslint/tests/fixtures/parsers/no-line-error.js
new file mode 100644
index 0000000..274fd47
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/no-line-error.js
@@ -0,0 +1,5 @@
+exports.expectedError = "Failed to parse: unexpected token";
+
+exports.parse = function() {
+    throw new Error(exports.expectedError);
+}
diff --git a/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline-type-literal.js b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline-type-literal.js
new file mode 100644
index 0000000..ae4bb5a
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline-type-literal.js
@@ -0,0 +1,821 @@
+
+/*
+  AST for:
+
+ function foo({
+ a,
+ b
+} : { a : string, b : string }) {}
+
+*/
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 57,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 5,
+            "column": 0
+        }
+    },
+    "range": [
+        0,
+        57
+    ],
+    "comments": [],
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 0,
+            "end": 8,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            },
+            "range": [
+                0,
+                8
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            },
+            "range": [
+                9,
+                12
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 12,
+            "end": 13,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            },
+            "range": [
+                12,
+                13
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 13,
+            "end": 14,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            },
+            "range": [
+                13,
+                14
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "a",
+            "start": 16,
+            "end": 17,
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 1
+                },
+                "end": {
+                    "line": 2,
+                    "column": 2
+                }
+            },
+            "range": [
+                16,
+                17
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "start": 17,
+            "end": 18,
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 2
+                },
+                "end": {
+                    "line": 2,
+                    "column": 3
+                }
+            },
+            "range": [
+                17,
+                18
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "b",
+            "start": 20,
+            "end": 21,
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 1
+                },
+                "end": {
+                    "line": 3,
+                    "column": 2
+                }
+            },
+            "range": [
+                20,
+                21
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 22,
+            "end": 23,
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 0
+                },
+                "end": {
+                    "line": 4,
+                    "column": 1
+                }
+            },
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diff --git a/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline.js b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline.js
new file mode 100644
index 0000000..8e2f53b
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-multiline.js
@@ -0,0 +1,591 @@
+
+/*
+  AST for:
+
+function foo({
+ a,
+ b
+} : MyType) {}
+
+*/
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+                }
+            },
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+                8
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+        },
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+            "value": "foo",
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+            "end": 12,
+            "loc": {
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+                            "key": {
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+                                "end": 21,
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+                                        "column": 4
+                                    },
+                                    "end": {
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+                                },
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+                            },
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+
diff --git a/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline-type-literal.js b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline-type-literal.js
new file mode 100644
index 0000000..96abb1f
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline-type-literal.js
@@ -0,0 +1,818 @@
+
+/*
+  AST for:
+
+function foo({ a, b } : { a : string, b : string }) {}
+
+*/
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+    "end": 55,
+    "loc": {
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+            "line": 1,
+            "column": 0
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+        }
+    },
+    "range": [
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+        55
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+    "comments": [],
+    "tokens": [
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+            "loc": {
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+                    "column": 0
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+                "end": {
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+                    "column": 8
+                }
+            },
+            "range": [
+                0,
+                8
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "loc": {
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+});
+
diff --git a/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline.js b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline.js
new file mode 100644
index 0000000..a9df130
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-newline/flow-stub-parser-singleline.js
@@ -0,0 +1,588 @@
+
+/*
+  AST for:
+
+function foo({ a, b } : MyType) {}
+
+*/
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 35,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 2,
+            "column": 0
+        }
+    },
+    "range": [
+        0,
+        35
+    ],
+    "comments": [],
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 0,
+            "end": 8,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            },
+            "range": [
+                0,
+                8
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            },
+            "range": [
+                9,
+                12
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 12,
+            "end": 13,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            },
+            "range": [
+                12,
+                13
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 13,
+            "end": 14,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            },
+            "range": [
+                13,
+                14
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "a",
+            "start": 15,
+            "end": 16,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            },
+            "range": [
+                15,
+                16
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "start": 16,
+            "end": 17,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 16
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            },
+            "range": [
+                16,
+                17
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "b",
+            "start": 18,
+            "end": 19,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 18
+                },
+                "end": {
+                    "line": 1,
+                    "column": 19
+                }
+            },
+            "range": [
+                18,
+                19
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 20,
+            "end": 21,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 20
+                },
+                "end": {
+                    "line": 1,
+                    "column": 21
+                }
+            },
+            "range": [
+                20,
+                21
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 22,
+            "end": 23,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 22
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            },
+            "range": [
+                22,
+                23
+            ]
+        },
+        {
+            "type": "Identifier",
+            "value": "MyType",
+            "start": 24,
+            "end": 30,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 24
+                },
+                "end": {
+                    "line": 1,
+                    "column": 30
+                }
+            },
+            "range": [
+                24,
+                30
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
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+            "end": 31,
+            "loc": {
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+                "end": {
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+                }
+            },
+            "range": [
+                30,
+                31
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+            "end": 33,
+            "loc": {
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 33
+                }
+            },
+            "range": [
+                32,
+                33
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 33,
+            "end": 34,
+            "loc": {
+                "start": {
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 34
+                }
+            },
+            "range": [
+                33,
+                34
+            ]
+        }
+    ],
+    "sourceType": "module",
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "start": 0,
+            "end": 34,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
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+                },
+                "range": [
+                    9,
+                    12
+                ],
+                "name": "foo",
+                "_babelType": "Identifier"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [
+                {
+                    "type": "ObjectPattern",
+                    "start": 13,
+                    "end": 30,
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 13
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 30
+                        }
+                    },
+                    "range": [
+                        13,
+                        30
+                    ],
+                    "properties": [
+                        {
+                            "type": "Property",
+                            "start": 15,
+                            "end": 16,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 15
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 16
+                                }
+                            },
+                            "range": [
+                                15,
+                                16
+                            ],
+                            "method": false,
+                            "computed": false,
+                            "key": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 15
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    },
+                                    "identifierName": "a"
+                                },
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "name": "a",
+                                "_babelType": "Identifier"
+                            },
+                            "shorthand": true,
+                            "value": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 15
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    },
+                                    "identifierName": "a"
+                                },
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "name": "a",
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "extra": {
+                                "shorthand": true
+                            },
+                            "_babelType": "Property"
+                        },
+                        {
+                            "type": "Property",
+                            "start": 18,
+                            "end": 19,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 18
+                                },
+                                "end": {
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+                                }
+                            },
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+                                18,
+                                19
+                            ],
+                            "method": false,
+                            "computed": false,
+                            "key": {
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+                                "end": 19,
+                                "loc": {
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+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    },
+                                    "identifierName": "b"
+                                },
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "name": "b",
+                                "_babelType": "Identifier"
+                            },
+                            "shorthand": true,
+                            "value": {
+                                "type": "Identifier",
+                                "start": 18,
+                                "end": 19,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    },
+                                    "identifierName": "b"
+                                },
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "name": "b",
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "extra": {
+                                "shorthand": true
+                            },
+                            "_babelType": "Property"
+                        }
+                    ],
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "start": 22,
+                        "end": 30,
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 22
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 30
+                            }
+                        },
+                        "range": [
+                            22,
+                            30
+                        ],
+                        "typeAnnotation": {
+                            "type": "GenericTypeAnnotation",
+                            "start": 24,
+                            "end": 30,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 24
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 30
+                                }
+                            },
+                            "range": [
+                                24,
+                                30
+                            ],
+                            "typeParameters": null,
+                            "id": {
+                                "type": "Identifier",
+                                "start": 24,
+                                "end": 30,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 24
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 30
+                                    },
+                                    "identifierName": "MyType"
+                                },
+                                "range": [
+                                    24,
+                                    30
+                                ],
+                                "name": "MyType",
+                                "_babelType": "Identifier"
+                            },
+                            "_babelType": "GenericTypeAnnotation"
+                        },
+                        "_babelType": "TypeAnnotation"
+                    },
+                    "_babelType": "ObjectPattern"
+                }
+            ],
+            "body": {
+                "type": "BlockStatement",
+                "start": 32,
+                "end": 34,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 32
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 34
+                    }
+                },
+                "range": [
+                    32,
+                    34
+                ],
+                "body": [],
+                "_babelType": "BlockStatement"
+            },
+            "_babelType": "FunctionDeclaration"
+        }
+    ]
+});
+
diff --git a/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-invalid.js b/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-invalid.js
new file mode 100644
index 0000000..3fe604f
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-invalid.js
@@ -0,0 +1,607 @@
+"use strict";
+
+/* This returns AST of:
+
+function foo ({a, b }: Props) {
+}
+
+*/
+
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 34,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 0
+        }
+    },
+    "sourceType": "module",
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "start": 0,
+            "end": 33,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 2,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "start": 9,
+                "end": 12,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo",
+                "range": [
+                    9,
+                    12
+                ],
+                "_babelType": "Identifier"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [
+                {
+                    "type": "ObjectPattern",
+                    "start": 14,
+                    "end": 28,
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 14
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 28
+                        }
+                    },
+                    "properties": [
+                        {
+                            "type": "Property",
+                            "start": 15,
+                            "end": 16,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 15
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 16
+                                }
+                            },
+                            "method": false,
+                            "shorthand": true,
+                            "computed": false,
+                            "key": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 15
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "a",
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "value": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
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+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "a",
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "range": [
+                                15,
+                                16
+                            ],
+                            "_babelType": "Property"
+                        },
+                        {
+                            "type": "Property",
+                            "start": 18,
+                            "end": 19,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 18
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 19
+                                }
+                            },
+                            "method": false,
+                            "shorthand": true,
+                            "computed": false,
+                            "key": {
+                                "type": "Identifier",
+                                "start": 18,
+                                "end": 19,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    }
+                                },
+                                "name": "b",
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "value": {
+                                "type": "Identifier",
+                                "start": 18,
+                                "end": 19,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    }
+                                },
+                                "name": "b",
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "range": [
+                                18,
+                                19
+                            ],
+                            "_babelType": "Property"
+                        }
+                    ],
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "start": 21,
+                        "end": 28,
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 21
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 28
+                            }
+                        },
+                        "typeAnnotation": {
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+                            "start": 23,
+                            "end": 28,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
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+                                "end": {
+                                    "line": 1,
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+                                }
+                            },
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+                            "id": {
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+                                "loc": {
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+                                    },
+                                    "end": {
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+                                    }
+                                },
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+                                    28
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+            "value": "(",
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+                }
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+            ]
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+            "type": "Punctuator",
+            "value": "}",
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+            "type": "Punctuator",
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+                }
+            },
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+                28,
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+            ]
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+                }
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+            ]
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+                32,
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diff --git a/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-valid.js b/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-valid.js
new file mode 100644
index 0000000..308f387
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/object-curly-spacing/flow-stub-parser-never-valid.js
@@ -0,0 +1,607 @@
+"use strict";
+
+/* This returns AST of:
+
+function foo ({a, b}: Props) {
+}
+
+*/
+
+exports.parse = () => ({
+    "type": "Program",
+    "start": 0,
+    "end": 32,
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 2,
+            "column": 1
+        }
+    },
+    "sourceType": "module",
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "start": 0,
+            "end": 32,
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 2,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "start": 9,
+                "end": 12,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo",
+                "range": [
+                    9,
+                    12
+                ],
+                "_babelType": "Identifier"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [
+                {
+                    "type": "ObjectPattern",
+                    "start": 14,
+                    "end": 27,
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 14
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 27
+                        }
+                    },
+                    "properties": [
+                        {
+                            "type": "Property",
+                            "start": 15,
+                            "end": 16,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 15
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 16
+                                }
+                            },
+                            "method": false,
+                            "shorthand": true,
+                            "computed": false,
+                            "key": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 15
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "a",
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "value": {
+                                "type": "Identifier",
+                                "start": 15,
+                                "end": 16,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 15
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "a",
+                                "range": [
+                                    15,
+                                    16
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "range": [
+                                15,
+                                16
+                            ],
+                            "_babelType": "Property"
+                        },
+                        {
+                            "type": "Property",
+                            "start": 18,
+                            "end": 19,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 18
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 19
+                                }
+                            },
+                            "method": false,
+                            "shorthand": true,
+                            "computed": false,
+                            "key": {
+                                "type": "Identifier",
+                                "start": 18,
+                                "end": 19,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    }
+                                },
+                                "name": "b",
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "kind": "init",
+                            "value": {
+                                "type": "Identifier",
+                                "start": 18,
+                                "end": 19,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 19
+                                    }
+                                },
+                                "name": "b",
+                                "range": [
+                                    18,
+                                    19
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "range": [
+                                18,
+                                19
+                            ],
+                            "_babelType": "Property"
+                        }
+                    ],
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "start": 20,
+                        "end": 27,
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 20
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 27
+                            }
+                        },
+                        "typeAnnotation": {
+                            "type": "GenericTypeAnnotation",
+                            "start": 22,
+                            "end": 27,
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 22
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 27
+                                }
+                            },
+                            "typeParameters": null,
+                            "id": {
+                                "type": "Identifier",
+                                "start": 22,
+                                "end": 27,
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 22
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 27
+                                    }
+                                },
+                                "name": "Props",
+                                "range": [
+                                    22,
+                                    27
+                                ],
+                                "_babelType": "Identifier"
+                            },
+                            "range": [
+                                22,
+                                27
+                            ],
+                            "_babelType": "GenericTypeAnnotation"
+                        },
+                        "range": [
+                            20,
+                            27
+                        ],
+                        "_babelType": "TypeAnnotation"
+                    },
+                    "range": [
+                        14,
+                        27
+                    ],
+                    "_babelType": "ObjectPattern"
+                }
+            ],
+            "body": {
+                "type": "BlockStatement",
+                "start": 29,
+                "end": 32,
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 29
+                    },
+                    "end": {
+                        "line": 2,
+                        "column": 1
+                    }
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+                    32
+                ],
+                "_babelType": "BlockStatement"
+            },
+            "range": [
+                0,
+                32
+            ],
+            "_babelType": "FunctionDeclaration"
+        }
+    ],
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
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+            "end": 8,
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+                }
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+                8
+            ]
+        },
+        {
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+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "loc": {
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+                },
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+                }
+            },
+            "range": [
+                9,
+                12
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 13,
+            "end": 14,
+            "loc": {
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+                "end": {
+                    "line": 1,
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+                }
+            },
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+                13,
+                14
+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+                }
+            },
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+            ]
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+            "value": "{",
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+                "end": {
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+                }
+            },
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+                29,
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+            ]
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+            "end": 32,
+            "loc": {
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+            },
+            "range": [
+                31,
+                32
+            ]
+        },
+        {
+            "type": {
+                "label": "eof",
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+                "startsExpr": false,
+                "rightAssociative": false,
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diff --git a/eslint/tests/fixtures/parsers/stub-parser.js b/eslint/tests/fixtures/parsers/stub-parser.js
new file mode 100644
index 0000000..5c57bc5
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/stub-parser.js
@@ -0,0 +1,11 @@
+exports.parse = function(text, parserOptions) {
+    return {
+      "type": "Program",
+      "loc": {},
+      "range": [],
+      "body": [],
+      "comments": [],
+      "errors": [],
+      "tokens": []
+    };
+};
diff --git a/eslint/tests/fixtures/parsers/throws-with-options.js b/eslint/tests/fixtures/parsers/throws-with-options.js
new file mode 100644
index 0000000..9585775
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/throws-with-options.js
@@ -0,0 +1,10 @@
+"use strict";
+
+const espree = require("espree");
+
+exports.parse = (sourceText, options) => {
+    if (options.ecmaVersion) {
+        throw new Error("Expected no parserOptions to be used");
+    }
+    return espree.parse(sourceText, options);
+};
diff --git a/eslint/tests/fixtures/parsers/type-annotations/function-declaration-type-annotation-no-space.js b/eslint/tests/fixtures/parsers/type-annotations/function-declaration-type-annotation-no-space.js
new file mode 100644
index 0000000..452ce84
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/function-declaration-type-annotation-no-space.js
@@ -0,0 +1,486 @@
+/**
+ * Source code:
+ * function foo(a: number=0): Foo { }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        34
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 34
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                34
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 34
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    9,
+                    12
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [
+                {
+                    "type": "AssignmentPattern",
+                    "range": [
+                        13,
+                        24
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 13
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 24
+                        }
+                    },
+                    "left": {
+                        "type": "Identifier",
+                        "range": [
+                            13,
+                            14
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 13
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 14
+                            }
+                        },
+                        "name": "a",
+                        "typeAnnotation": {
+                            "type": "TypeAnnotation",
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 16
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 22
+                                }
+                            },
+                            "range": [
+                                16,
+                                22
+                            ],
+                            "typeAnnotation": {
+                                "type": "NumberKeyword",
+                                "range": [
+                                    16,
+                                    22
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 16
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 22
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "right": {
+                        "type": "Literal",
+                        "range": [
+                            23,
+                            24
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 23
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 24
+                            }
+                        },
+                        "value": 0,
+                        "raw": "0"
+                    }
+                }
+            ],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    31,
+                    34
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 31
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 34
+                    }
+                },
+                "body": []
+            },
+            "returnType": {
+                "type": "TypeAnnotation",
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 27
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 30
+                    }
+                },
+                "range": [
+                    27,
+                    30
+                ],
+                "typeAnnotation": {
+                    "type": "TypeReference",
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diff --git a/eslint/tests/fixtures/parsers/type-annotations/function-expression-type-annotation.js b/eslint/tests/fixtures/parsers/type-annotations/function-expression-type-annotation.js
new file mode 100644
index 0000000..8f4f94c
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/function-expression-type-annotation.js
@@ -0,0 +1,585 @@
+/**
+ * Source code:
+ * const foo = function(a: number = 0): Bar { };
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        45
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
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+            "column": 45
+        }
+    },
+    "body": [
+        {
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+            "range": [
+                0,
+                45
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 45
+                }
+            },
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "range": [
+                        6,
+                        44
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 6
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 44
+                        }
+                    },
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            6,
+                            9
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 6
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 9
+                            }
+                        },
+                        "name": "foo"
+                    },
+                    "init": {
+                        "type": "FunctionExpression",
+                        "range": [
+                            12,
+                            44
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 12
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 44
+                            }
+                        },
+                        "id": null,
+                        "generator": false,
+                        "params": [
+                            {
+                                "type": "AssignmentPattern",
+                                "range": [
+                                    21,
+                                    34
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 21
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 34
+                                    }
+                                },
+                                "left": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        21,
+                                        22
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 21
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 22
+                                        }
+                                    },
+                                    "name": "a",
+                                    "typeAnnotation": {
+                                        "type": "TypeAnnotation",
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 24
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 30
+                                            }
+                                        },
+                                        "range": [
+                                            24,
+                                            30
+                                        ],
+                                        "typeAnnotation": {
+                                            "type": "NumberKeyword",
+                                            "range": [
+                                                24,
+                                                30
+                                            ],
+                                            "loc": {
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+                                                },
+                                                "end": {
+                                                    "line": 1,
+                                                    "column": 30
+                                                }
+                                            }
+                                        }
+                                    }
+                                },
+                                "right": {
+                                    "type": "Literal",
+                                    "range": [
+                                        33,
+                                        34
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 33
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 34
+                                        }
+                                    },
+                                    "value": 0,
+                                    "raw": "0"
+                                }
+                            }
+                        ],
+                        "body": {
+                            "type": "BlockStatement",
+                            "range": [
+                                41,
+                                44
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 41
+                                },
+                                "end": {
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+                                }
+                            },
+                            "body": []
+                        },
+                        "async": false,
+                        "expression": false,
+                        "returnType": {
+                            "type": "TypeAnnotation",
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 37
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 40
+                                }
+                            },
+                            "range": [
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+                                40
+                            ],
+                            "typeAnnotation": {
+                                "type": "TypeReference",
+                                "range": [
+                                    37,
+                                    40
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 37
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 40
+                                    }
+                                },
+                                "typeName": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        37,
+                                        40
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 37
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 40
+                                        }
+                                    },
+                                    "name": "Bar"
+                                }
+                            }
+                        }
+                    }
+                }
+            ],
+            "kind": "const"
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "const",
+            "start": 0,
+            "end": 5,
+            "range": [
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+                5
+            ],
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+            }
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+            }
+        },
+        {
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diff --git a/eslint/tests/fixtures/parsers/type-annotations/function-parameter-type-annotation.js b/eslint/tests/fixtures/parsers/type-annotations/function-parameter-type-annotation.js
new file mode 100644
index 0000000..341df31
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/function-parameter-type-annotation.js
@@ -0,0 +1,393 @@
+/**
+ * Source code:
+ * function foo(a: number = 0) { }
+ */
+
+exports.parse = () => ({
+      "type": "Program",
+      "loc": {
+        "source": null,
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
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+          "column": 31
+        }
+      },
+      "range": [
+        0,
+        31
+      ],
+      "body": [
+        {
+          "type": "FunctionDeclaration",
+          "loc": {
+            "source": null,
+            "start": {
+              "line": 1,
+              "column": 0
+            },
+            "end": {
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+              "column": 31
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+          },
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+            0,
+            31
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+          "id": {
+            "type": "Identifier",
+            "loc": {
+              "source": null,
+              "start": {
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+                "column": 9
+              },
+              "end": {
+                "line": 1,
+                "column": 12
+              }
+            },
+            "range": [
+              9,
+              12
+            ],
+            "name": "foo",
+            "typeAnnotation": null,
+            "optional": false
+          },
+          "params": [
+            {
+              "type": "Identifier",
+              "loc": {
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+                "start": {
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+                "end": {
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+              },
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+                  },
+                  "range": [
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+                    22
+                  ]
+                }
+              },
+              "optional": false
+            }
+          ],
+          "defaults": [
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+              "loc": {
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+                "start": {
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+                },
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+          "async": false,
+          "generator": false,
+          "expression": false,
+          "returnType": null,
+          "typeParameters": null
+        }
+      ],
+      "comments": [],
+      "errors": [],
+    "tokens": [
+        {
+          "type": "Keyword",
+          "value": "function",
+          "start": 0,
+          "end": 8,
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+          "value": "{",
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+            "end": {
+              "line": 1,
+              "column": 30
+            }
+          },
+          "range": [
+            29,
+            30
+          ]
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+        {
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+          "value": "}",
+          "start": 31,
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diff --git a/eslint/tests/fixtures/parsers/type-annotations/function-return-type-annotation.js b/eslint/tests/fixtures/parsers/type-annotations/function-return-type-annotation.js
new file mode 100644
index 0000000..73900d0
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/function-return-type-annotation.js
@@ -0,0 +1,297 @@
+/**
+ * Source code:
+ * function foo(): Bar { }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        23
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 23
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    9,
+                    12
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    20,
+                    23
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 20
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 23
+                    }
+                },
+                "body": []
+            },
+            "returnType": {
+                "type": "TypeAnnotation",
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 16
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 19
+                    }
+                },
+                "range": [
+                    16,
+                    19
+                ],
+                "typeAnnotation": {
+                    "type": "TypeReference",
+                    "range": [
+                        16,
+                        19
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 16
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 19
+                        }
+                    },
+                    "typeName": {
+                        "type": "Identifier",
+                        "range": [
+                            16,
+                            19
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 16
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 19
+                            }
+                        },
+                        "name": "Bar"
+                    }
+                }
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 0,
+            "end": 8,
+            "range": [
+                0,
+                8
+            ],
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+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "range": [
+                9,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 12,
+            "end": 13,
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
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+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 13,
+            "end": 14,
+            "range": [
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+                14
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+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+            "end": 21,
+            "range": [
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+                    "line": 1,
+                    "column": 20
+                },
+                "end": {
+                    "line": 1,
+                    "column": 21
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 22,
+            "end": 23,
+            "range": [
+                22,
+                23
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+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 22
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation-no-space.js b/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation-no-space.js
new file mode 100644
index 0000000..d551f4e
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation-no-space.js
@@ -0,0 +1,293 @@
+/**
+ * Source code:
+ * var a: Foo= b;
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        14
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 14
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            },
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "range": [
+                        4,
+                        13
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 13
+                        }
+                    },
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            4,
+                            5
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 5
+                            }
+                        },
+                        "name": "a",
+                        "typeAnnotation": {
+                            "type": "TypeAnnotation",
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 7
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 10
+                                }
+                            },
+                            "range": [
+                                7,
+                                10
+                            ],
+                            "typeAnnotation": {
+                                "type": "TypeReference",
+                                "range": [
+                                    7,
+                                    10
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 7
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 10
+                                    }
+                                },
+                                "typeName": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        7,
+                                        10
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 7
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 10
+                                        }
+                                    },
+                                    "name": "Foo"
+                                }
+                            }
+                        }
+                    },
+                    "init": {
+                        "type": "Identifier",
+                        "range": [
+                            12,
+                            13
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 12
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 13
+                            }
+                        },
+                        "name": "b"
+                    }
+                }
+            ],
+            "kind": "var"
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "var",
+            "start": 0,
+            "end": 3,
+            "range": [
+                0,
+                3
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 3
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "a",
+            "start": 4,
+            "end": 5,
+            "range": [
+                4,
+                5
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 4
+                },
+                "end": {
+                    "line": 1,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 5,
+            "end": 6,
+            "range": [
+                5,
+                6
+            ],
+            "loc": {
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+                    "line": 1,
+                    "column": 5
+                },
+                "end": {
+                    "line": 1,
+                    "column": 6
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "start": 7,
+            "end": 10,
+            "range": [
+                7,
+                10
+            ],
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+                "start": {
+                    "line": 1,
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+                    "line": 1,
+                    "column": 10
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+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 10,
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+                10,
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+                    "line": 1,
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "b",
+            "start": 12,
+            "end": 13,
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 13,
+            "end": 14,
+            "range": [
+                13,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation.js b/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation.js
new file mode 100644
index 0000000..abe1be7
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/type-annotations/variable-declaration-init-type-annotation.js
@@ -0,0 +1,294 @@
+/**
+ * Source code:
+ * var foo: Bar = '';
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        18
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 18
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            },
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "range": [
+                        4,
+                        17
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 17
+                        }
+                    },
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            4,
+                            7
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 7
+                            }
+                        },
+                        "name": "foo",
+                        "typeAnnotation": {
+                            "type": "TypeAnnotation",
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 9
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 12
+                                }
+                            },
+                            "range": [
+                                9,
+                                12
+                            ],
+                            "typeAnnotation": {
+                                "type": "TypeReference",
+                                "range": [
+                                    9,
+                                    12
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 9
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 12
+                                    }
+                                },
+                                "typeName": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        9,
+                                        12
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 9
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 12
+                                        }
+                                    },
+                                    "name": "Bar"
+                                }
+                            }
+                        }
+                    },
+                    "init": {
+                        "type": "Literal",
+                        "range": [
+                            15,
+                            17
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 15
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 17
+                            }
+                        },
+                        "value": "",
+                        "raw": "''"
+                    }
+                }
+            ],
+            "kind": "var"
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "var",
+            "start": 0,
+            "end": 3,
+            "range": [
+                0,
+                3
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 3
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 4,
+            "end": 7,
+            "range": [
+                4,
+                7
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 4
+                },
+                "end": {
+                    "line": 1,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 7,
+            "end": 8,
+            "range": [
+                7,
+                8
+            ],
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Bar",
+            "start": 9,
+            "end": 12,
+            "range": [
+                9,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 13,
+            "end": 14,
+            "range": [
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "''",
+            "start": 15,
+            "end": 17,
+            "range": [
+                15,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 17,
+            "end": 18,
+            "range": [
+                17,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/declare-var.js b/eslint/tests/fixtures/parsers/typescript-parsers/declare-var.js
new file mode 100644
index 0000000..6873625
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/declare-var.js
@@ -0,0 +1,215 @@
+"use strict";
+
+/*
+ * Parsed on astexplorer.net using @typescript-eslint/parser@1.4.2
+ *
+ * Source:
+ * declare var foo = 2;
+ */
+
+exports.parse = () => ({
+  "type": "Program",
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "id": {
+            "type": "Identifier",
+            "name": "foo",
+            "range": [
+              12,
+              15
+            ],
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 12
+              },
+              "end": {
+                "line": 1,
+                "column": 15
+              }
+            }
+          },
+          "init": {
+            "type": "Literal",
+            "value": 2,
+            "raw": "2",
+            "range": [
+              18,
+              19
+            ],
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 18
+              },
+              "end": {
+                "line": 1,
+                "column": 19
+              }
+            }
+          },
+          "range": [
+            12,
+            19
+          ],
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 12
+            },
+            "end": {
+              "line": 1,
+              "column": 19
+            }
+          }
+        }
+      ],
+      "kind": "var",
+      "range": [
+        0,
+        20
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 20
+        }
+      },
+      "declare": true
+    }
+  ],
+  "sourceType": "module",
+  "range": [
+    0,
+    20
+  ],
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 20
+    }
+  },
+  "tokens": [
+    {
+      "type": "Identifier",
+      "value": "declare",
+      "range": [
+        0,
+        7
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "var",
+      "range": [
+        8,
+        11
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 8
+        },
+        "end": {
+          "line": 1,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "foo",
+      "range": [
+        12,
+        15
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 12
+        },
+        "end": {
+          "line": 1,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        16,
+        17
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 16
+        },
+        "end": {
+          "line": 1,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "2",
+      "range": [
+        18,
+        19
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 18
+        },
+        "end": {
+          "line": 1,
+          "column": 19
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        19,
+        20
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 19
+        },
+        "end": {
+          "line": 1,
+          "column": 20
+        }
+      }
+    }
+  ],
+  "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class-methods.js b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class-methods.js
new file mode 100644
index 0000000..f79e4e9
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class-methods.js
@@ -0,0 +1,890 @@
+"use strict";
+
+/**
+ * Parser: typescript-eslint-parser v1.0.3 (TS 2.0.6)
+ * Source code:
+ * class Foo { @dec get bar() { } @dec set baz() { } @dec async baw() { } }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        72
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 72
+        }
+    },
+    "body": [
+        {
+            "type": "ClassDeclaration",
+            "range": [
+                0,
+                72
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 72
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    6,
+                    9
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 6
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 9
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            12,
+                            30
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 12
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 30
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                21,
+                                24
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 21
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 24
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    27,
+                                    30
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 27
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 30
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                24,
+                                30
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 24
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 30
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": false,
+                        "kind": "get",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    13,
+                                    16
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 13
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    },
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            31,
+                            49
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 31
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 49
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                40,
+                                43
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 40
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 43
+                                }
+                            },
+                            "name": "baz"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    46,
+                                    49
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 46
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 49
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                43,
+                                49
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 43
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 49
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": false,
+                        "kind": "set",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    32,
+                                    35
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 32
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 35
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    },
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            50,
+                            70
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 50
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 70
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                61,
+                                64
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 61
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 64
+                                }
+                            },
+                            "name": "baw"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": true,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    67,
+                                    70
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 67
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 70
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                64,
+                                70
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 64
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 70
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": false,
+                        "kind": "method",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    51,
+                                    54
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 51
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 54
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    }
+                ],
+                "range": [
+                    10,
+                    72
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 72
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "class",
+            "range": [
+                0,
+                5
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "range": [
+                6,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 6
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                10,
+                11
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "@",
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "dec",
+            "range": [
+                13,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "get",
+            "range": [
+                17,
+                20
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "range": [
+                21,
+                24
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 21
+                },
+                "end": {
+                    "line": 1,
+                    "column": 24
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "range": [
+                24,
+                25
+            ],
+            "loc": {
+                "start": {
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 25
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "range": [
+                25,
+                26
+            ],
+            "loc": {
+                "start": {
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 26
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                27,
+                28
+            ],
+            "loc": {
+                "start": {
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+                    "column": 27
+                },
+                "end": {
+                    "line": 1,
+                    "column": 28
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                29,
+                30
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 29
+                },
+                "end": {
+                    "line": 1,
+                    "column": 30
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "@",
+            "range": [
+                31,
+                32
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 31
+                },
+                "end": {
+                    "line": 1,
+                    "column": 32
+                }
+            }
+        },
+        {
+            "type": "Identifier",
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+                32,
+                35
+            ],
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+                },
+                "end": {
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+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "set",
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+                36,
+                39
+            ],
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+                },
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+                    "line": 1,
+                    "column": 39
+                }
+            }
+        },
+        {
+            "type": "Identifier",
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+                },
+                "end": {
+                    "line": 1,
+                    "column": 47
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                48,
+                49
+            ],
+            "loc": {
+                "start": {
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+                },
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "@",
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+            "loc": {
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+            }
+        },
+        {
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
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+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "range": [
+                65,
+                66
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
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+                "end": {
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+                    "column": 66
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+                67,
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+                "end": {
+                    "line": 1,
+                    "column": 68
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                69,
+                70
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 69
+                },
+                "end": {
+                    "line": 1,
+                    "column": 70
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                71,
+                72
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
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+                "end": {
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+            }
+        }
+    ],
+    "comments": []
+});
+
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class.js b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class.js
new file mode 100644
index 0000000..460761d
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-class.js
@@ -0,0 +1,214 @@
+"use strict";
+
+/**
+ * Parser: typescript-eslint-parser v1.0.3 (TS 2.0.6)
+ * Source code:
+ * @dec class Foo { }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        18
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 18
+        }
+    },
+    "body": [
+        {
+            "type": "ClassDeclaration",
+            "range": [
+                0,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    11,
+                    14
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 11
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 14
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [],
+                "range": [
+                    15,
+                    18
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 18
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": [
+                {
+                    "type": "Identifier",
+                    "range": [
+                        1,
+                        4
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 1
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 4
+                        }
+                    },
+                    "name": "dec"
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Punctuator",
+            "value": "@",
+            "range": [
+                0,
+                1
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 1
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "dec",
+            "range": [
+                1,
+                4
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 1
+                },
+                "end": {
+                    "line": 1,
+                    "column": 4
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "class",
+            "range": [
+                5,
+                10
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 5
+                },
+                "end": {
+                    "line": 1,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "range": [
+                11,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 11
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                15,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                17,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-keywords-class-method.js b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-keywords-class-method.js
new file mode 100644
index 0000000..d737a42
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-keywords-class-method.js
@@ -0,0 +1,1183 @@
+"use strict";
+
+/**
+ * Parser: typescript-eslint-parser v1.0.3 (TS 2.0.6)
+ * Source code:
+ * class Foo { @desc({set a(value) {}, get a() {}, async c() {}}) async[foo]() {} }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        80
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 80
+        }
+    },
+    "body": [
+        {
+            "type": "ClassDeclaration",
+            "range": [
+                0,
+                80
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 80
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    6,
+                    9
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 6
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 9
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            12,
+                            78
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 12
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 78
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                69,
+                                72
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 69
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 72
+                                }
+                            },
+                            "name": "foo"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": true,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    76,
+                                    78
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 76
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 78
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                73,
+                                78
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 73
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 78
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": true,
+                        "static": false,
+                        "kind": "method",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "CallExpression",
+                                "range": [
+                                    13,
+                                    62
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 13
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 62
+                                    }
+                                },
+                                "callee": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        13,
+                                        17
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 13
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 17
+                                        }
+                                    },
+                                    "name": "desc"
+                                },
+                                "arguments": [
+                                    {
+                                        "type": "ObjectExpression",
+                                        "range": [
+                                            18,
+                                            61
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 1,
+                                                "column": 18
+                                            },
+                                            "end": {
+                                                "line": 1,
+                                                "column": 61
+                                            }
+                                        },
+                                        "properties": [
+                                            {
+                                                "type": "Property",
+                                                "range": [
+                                                    19,
+                                                    34
+                                                ],
+                                                "loc": {
+                                                    "start": {
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+                                                        "column": 19
+                                                    },
+                                                    "end": {
+                                                        "line": 1,
+                                                        "column": 34
+                                                    }
+                                                },
+                                                "key": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        23,
+                                                        24
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
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+                                                            "column": 23
+                                                        },
+                                                        "end": {
+                                                            "line": 1,
+                                                            "column": 24
+                                                        }
+                                                    },
+                                                    "name": "a"
+                                                },
+                                                "value": {
+                                                    "type": "FunctionExpression",
+                                                    "id": null,
+                                                    "generator": false,
+                                                    "expression": false,
+                                                    "async": false,
+                                                    "body": {
+                                                        "type": "BlockStatement",
+                                                        "range": [
+                                                            32,
+                                                            34
+                                                        ],
+                                                        "loc": {
+                                                            "start": {
+                                                                "line": 1,
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+                                                            },
+                                                            "end": {
+                                                                "line": 1,
+                                                                "column": 34
+                                                            }
+                                                        },
+                                                        "body": []
+                                                    },
+                                                    "range": [
+                                                        24,
+                                                        34
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
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+                                                        },
+                                                        "end": {
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+                                                        }
+                                                    },
+                                                    "params": [
+                                                        {
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+                                                                },
+                                                                "end": {
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+                                                                }
+                                                            },
+                                                            "name": "value"
+                                                        }
+                                                    ]
+                                                },
+                                                "computed": false,
+                                                "method": false,
+                                                "shorthand": false,
+                                                "kind": "set"
+                                            },
+                                            {
+                                                "type": "Property",
+                                                "range": [
+                                                    36,
+                                                    46
+                                                ],
+                                                "loc": {
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+                                                    ],
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+                                                        "end": {
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+                                                        }
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+                                                },
+                                                "value": {
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+                                                    "id": null,
+                                                    "generator": false,
+                                                    "expression": false,
+                                                    "async": false,
+                                                    "body": {
+                                                        "type": "BlockStatement",
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+                                                            46
+                                                        ],
+                                                        "loc": {
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+                                                    },
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+                                                    ],
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+                                                "method": false,
+                                                "shorthand": false,
+                                                "kind": "get"
+                                            },
+                                            {
+                                                "type": "Property",
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+            "type": "Punctuator",
+            "value": "{",
+            "range": [
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+                11
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+            "loc": {
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+                },
+                "end": {
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "@",
+            "range": [
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+                13
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+                    "line": 1,
+                    "column": 33
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                33,
+                34
+            ],
+            "loc": {
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+        {
+            "type": "Punctuator",
+            "value": ")",
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+                42,
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+            }
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+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-static-class-methods.js b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-static-class-methods.js
new file mode 100644
index 0000000..ca98be2
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/decorator-with-static-class-methods.js
@@ -0,0 +1,1187 @@
+"use strict";
+
+/**
+ * Parser: typescript-eslint-parser v1.0.3 (TS 2.0.6)
+ * Source code:
+ * class Foo { @dec static qux() { } @dec static get bar() { } @dec static set baz() { } @dec static async baw() { } }
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        111
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 111
+        }
+    },
+    "body": [
+        {
+            "type": "ClassDeclaration",
+            "range": [
+                0,
+                111
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 111
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    6,
+                    9
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 6
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 9
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            12,
+                            32
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 12
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 32
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                24,
+                                27
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 24
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 27
+                                }
+                            },
+                            "name": "qux"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    30,
+                                    32
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 30
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 32
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                27,
+                                32
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 27
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 32
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": true,
+                        "kind": "method",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    13,
+                                    16
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 13
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 16
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    },
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            33,
+                            57
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 33
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 57
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                49,
+                                52
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 49
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 52
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    55,
+                                    57
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 55
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 57
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                52,
+                                57
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 52
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 57
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": true,
+                        "kind": "get",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    34,
+                                    37
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 34
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 37
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    },
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            58,
+                            82
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 58
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 82
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                74,
+                                77
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 74
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 77
+                                }
+                            },
+                            "name": "baz"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    80,
+                                    82
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 80
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 82
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                77,
+                                82
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 77
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 82
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": true,
+                        "kind": "set",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    59,
+                                    62
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 59
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 62
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    },
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            83,
+                            109
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 83
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 109
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                101,
+                                104
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 101
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 104
+                                }
+                            },
+                            "name": "baw"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": true,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    107,
+                                    109
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 107
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 109
+                                    }
+                                },
+                                "body": []
+                            },
+                            "range": [
+                                104,
+                                109
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 1,
+                                    "column": 104
+                                },
+                                "end": {
+                                    "line": 1,
+                                    "column": 109
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": true,
+                        "kind": "method",
+                        "accessibility": null,
+                        "decorators": [
+                            {
+                                "type": "Identifier",
+                                "range": [
+                                    84,
+                                    87
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 84
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 87
+                                    }
+                                },
+                                "name": "dec"
+                            }
+                        ]
+                    }
+                ],
+                "range": [
+                    10,
+                    111
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 111
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "class",
+            "range": [
+                0,
+                5
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "range": [
+                6,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 6
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                10,
+                11
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "@",
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "dec",
+            "range": [
+                13,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "static",
+            "range": [
+                17,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
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diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/global-await.js b/eslint/tests/fixtures/parsers/typescript-parsers/global-await.js
new file mode 100644
index 0000000..d68af6f
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/global-await.js
@@ -0,0 +1,162 @@
+"use strict";
+
+/**
+ * Parser: @typescript-eslint/parser v2.6.1
+ * Source code:
+ * await foo();
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "ExpressionStatement",
+            expression: {
+                type: "AwaitExpression",
+                argument: {
+                    type: "CallExpression",
+                    callee: {
+                        type: "Identifier",
+                        name: "foo",
+                        range: [6, 9],
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 6
+                            },
+                            end: {
+                                line: 1,
+                                column: 9
+                            }
+                        }
+                    },
+                    arguments: [],
+                    optional: false,
+                    range: [6, 11],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 6
+                        },
+                        end: {
+                            line: 1,
+                            column: 11
+                        }
+                    }
+                },
+                range: [0, 11],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 1,
+                        column: 11
+                    }
+                }
+            },
+            range: [0, 12],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 12
+                }
+            }
+        }
+    ],
+    sourceType: "module",
+    range: [0, 12],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 1,
+            column: 12
+        }
+    },
+    tokens: [
+        {
+            type: "Identifier",
+            value: "await",
+            range: [0, 5],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 5
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "foo",
+            range: [6, 9],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 6
+                },
+                end: {
+                    line: 1,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            range: [9, 10],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 9
+                },
+                end: {
+                    line: 1,
+                    column: 10
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            range: [10, 11],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 10
+                },
+                end: {
+                    line: 1,
+                    column: 11
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
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+            loc: {
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+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/global-for-await-of.js b/eslint/tests/fixtures/parsers/typescript-parsers/global-for-await-of.js
new file mode 100644
index 0000000..2f61b83
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/global-for-await-of.js
@@ -0,0 +1,470 @@
+"use strict";
+
+/**
+ * Parser: @typescript-eslint/parser v2.6.1
+ * Source code:
+for await (let num of asyncIterable) {
+  console.log(num);
+}
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "ForOfStatement",
+            left: {
+                type: "VariableDeclaration",
+                declarations: [
+                    {
+                        type: "VariableDeclarator",
+                        id: {
+                            type: "Identifier",
+                            name: "num",
+                            range: [15, 18],
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 15
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 18
+                                }
+                            }
+                        },
+                        init: null,
+                        range: [15, 18],
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 15
+                            },
+                            end: {
+                                line: 1,
+                                column: 18
+                            }
+                        }
+                    }
+                ],
+                kind: "let",
+                range: [11, 18],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 11
+                    },
+                    end: {
+                        line: 1,
+                        column: 18
+                    }
+                }
+            },
+            right: {
+                type: "Identifier",
+                name: "asyncIterable",
+                range: [22, 35],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 22
+                    },
+                    end: {
+                        line: 1,
+                        column: 35
+                    }
+                }
+            },
+            body: {
+                type: "BlockStatement",
+                body: [
+                    {
+                        type: "ExpressionStatement",
+                        expression: {
+                            type: "CallExpression",
+                            callee: {
+                                type: "MemberExpression",
+                                object: {
+                                    type: "Identifier",
+                                    name: "console",
+                                    range: [41, 48],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 2
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 9
+                                        }
+                                    }
+                                },
+                                property: {
+                                    type: "Identifier",
+                                    name: "log",
+                                    range: [49, 52],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 10
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 13
+                                        }
+                                    }
+                                },
+                                computed: false,
+                                optional: false,
+                                range: [41, 52],
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 2
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 13
+                                    }
+                                }
+                            },
+                            arguments: [
+                                {
+                                    type: "Identifier",
+                                    name: "num",
+                                    range: [53, 56],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 14
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 17
+                                        }
+                                    }
+                                }
+                            ],
+                            optional: false,
+                            range: [41, 57],
+                            loc: {
+                                start: {
+                                    line: 2,
+                                    column: 2
+                                },
+                                end: {
+                                    line: 2,
+                                    column: 18
+                                }
+                            }
+                        },
+                        range: [41, 58],
+                        loc: {
+                            start: {
+                                line: 2,
+                                column: 2
+                            },
+                            end: {
+                                line: 2,
+                                column: 19
+                            }
+                        }
+                    }
+                ],
+                range: [37, 60],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 37
+                    },
+                    end: {
+                        line: 3,
+                        column: 1
+                    }
+                }
+            },
+            await: true,
+            range: [0, 60],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        }
+    ],
+    sourceType: "module",
+    range: [0, 60],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 3,
+            column: 1
+        }
+    },
+    tokens: [
+        {
+            type: "Keyword",
+            value: "for",
+            range: [0, 3],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "await",
+            range: [4, 9],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 4
+                },
+                end: {
+                    line: 1,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            range: [10, 11],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 10
+                },
+                end: {
+                    line: 1,
+                    column: 11
+                }
+            }
+        },
+        {
+            type: "Keyword",
+            value: "let",
+            range: [11, 14],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 11
+                },
+                end: {
+                    line: 1,
+                    column: 14
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "num",
+            range: [15, 18],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 15
+                },
+                end: {
+                    line: 1,
+                    column: 18
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "of",
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+            range: [37, 38],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 37
+                },
+                end: {
+                    line: 1,
+                    column: 38
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "console",
+            range: [41, 48],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 2
+                },
+                end: {
+                    line: 2,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ".",
+            range: [48, 49],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 9
+                },
+                end: {
+                    line: 2,
+                    column: 10
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "log",
+            range: [49, 52],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 10
+                },
+                end: {
+                    line: 2,
+                    column: 13
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            range: [52, 53],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 13
+                },
+                end: {
+                    line: 2,
+                    column: 14
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "num",
+            range: [53, 56],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 14
+                },
+                end: {
+                    line: 2,
+                    column: 17
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            range: [56, 57],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 17
+                },
+                end: {
+                    line: 2,
+                    column: 18
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [57, 58],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 18
+                },
+                end: {
+                    line: 2,
+                    column: 19
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "}",
+            range: [59, 60],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/keyword-with-arrow-function.js b/eslint/tests/fixtures/parsers/typescript-parsers/keyword-with-arrow-function.js
new file mode 100644
index 0000000..ee0d03d
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/keyword-with-arrow-function.js
@@ -0,0 +1,180 @@
+"use strict";
+
+/**
+ * Parser: typescript-eslint-parser v1.0.3 (TS 2.0.6)
+ * Source code:
+ * symbol => 4;
+ */
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        12
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 1,
+            "column": 12
+        }
+    },
+    "body": [
+        {
+            "type": "ExpressionStatement",
+            "range": [
+                0,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            },
+            "expression": {
+                "type": "ArrowFunctionExpression",
+                "range": [
+                    0,
+                    11
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 0
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 11
+                    }
+                },
+                "generator": false,
+                "id": null,
+                "params": [
+                    {
+                        "type": "Identifier",
+                        "range": [
+                            0,
+                            6
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 0
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 6
+                            }
+                        },
+                        "name": "symbol"
+                    }
+                ],
+                "body": {
+                    "type": "Literal",
+                    "range": [
+                        10,
+                        11
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 10
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 11
+                        }
+                    },
+                    "value": 4,
+                    "raw": "4"
+                },
+                "async": false,
+                "expression": true
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "symbol",
+            "range": [
+                0,
+                6
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 6
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=>",
+            "range": [
+                7,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 7
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "4",
+            "range": [
+                10,
+                11
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                11,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 11
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/new-parens.js b/eslint/tests/fixtures/parsers/typescript-parsers/new-parens.js
new file mode 100644
index 0000000..8308328
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/new-parens.js
@@ -0,0 +1,136 @@
+"use strict";
+
+// new Storage<RootState>('state');
+
+exports.parse = () => ({
+    type: "Program",
+    range: [0, 32],
+    loc: {
+        start: { line: 1, column: 0 },
+        end: { line: 1, column: 32 }
+    },
+    body: [
+        {
+            type: "ExpressionStatement",
+            range: [0, 32],
+            loc: {
+                start: { line: 1, column: 0 },
+                end: { line: 1, column: 32 }
+            },
+            expression: {
+                type: "NewExpression",
+                range: [0, 31],
+                loc: {
+                    start: { line: 1, column: 0 },
+                    end: { line: 1, column: 31 }
+                },
+                callee: {
+                    type: "Identifier",
+                    range: [4, 11],
+                    loc: {
+                        start: { line: 1, column: 4 },
+                        end: { line: 1, column: 11 }
+                    },
+                    name: "Storage"
+                },
+                arguments: [
+                    {
+                        type: "Literal",
+                        range: [23, 30],
+                        loc: {
+                            start: { line: 1, column: 23 },
+                            end: { line: 1, column: 30 }
+                        },
+                        value: "state",
+                        raw: "'state'"
+                    }
+                ]
+            }
+        }
+    ],
+    sourceType: "script",
+    tokens: [
+        {
+            type: "Keyword",
+            value: "new",
+            range: [0, 3],
+            loc: {
+                start: { line: 1, column: 0 },
+                end: { line: 1, column: 3 }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "Storage",
+            range: [4, 11],
+            loc: {
+                start: { line: 1, column: 4 },
+                end: { line: 1, column: 11 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [11, 12],
+            loc: {
+                start: { line: 1, column: 11 },
+                end: { line: 1, column: 12 }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "RootState",
+            range: [12, 21],
+            loc: {
+                start: { line: 1, column: 12 },
+                end: { line: 1, column: 21 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [21, 22],
+            loc: {
+                start: { line: 1, column: 21 },
+                end: { line: 1, column: 22 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "(",
+            range: [22, 23],
+            loc: {
+                start: { line: 1, column: 22 },
+                end: { line: 1, column: 23 }
+            }
+        },
+        {
+            type: "String",
+            value: "'state'",
+            range: [23, 30],
+            loc: {
+                start: { line: 1, column: 23 },
+                end: { line: 1, column: 30 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ")",
+            range: [30, 31],
+            loc: {
+                start: { line: 1, column: 30 },
+                end: { line: 1, column: 31 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [31, 32],
+            loc: {
+                start: { line: 1, column: 31 },
+                end: { line: 1, column: 32 }
+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-1.js b/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-1.js
new file mode 100644
index 0000000..1981f50
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-1.js
@@ -0,0 +1,343 @@
+"use strict";
+
+/**
+ * Parser: @typescript-eslint/parser@2.24.0
+ * Source code:
+ * const obj = Object.assign<{}, Record<string, string[]>>({}, getObject());
+ */
+
+exports.parse = () => ({
+  type: "Program",
+  body: [
+    {
+      type: "VariableDeclaration",
+      declarations: [
+        {
+          type: "VariableDeclarator",
+          id: {
+            type: "Identifier",
+            name: "obj",
+            range: [6, 9],
+            loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 9 } }
+          },
+          init: {
+            type: "CallExpression",
+            callee: {
+              type: "MemberExpression",
+              object: {
+                type: "Identifier",
+                name: "Object",
+                range: [12, 18],
+                loc: {
+                  start: { line: 1, column: 12 },
+                  end: { line: 1, column: 18 }
+                }
+              },
+              property: {
+                type: "Identifier",
+                name: "assign",
+                range: [19, 25],
+                loc: {
+                  start: { line: 1, column: 19 },
+                  end: { line: 1, column: 25 }
+                }
+              },
+              computed: false,
+              optional: false,
+              range: [12, 25],
+              loc: {
+                start: { line: 1, column: 12 },
+                end: { line: 1, column: 25 }
+              }
+            },
+            arguments: [
+              {
+                type: "ObjectExpression",
+                properties: [],
+                range: [56, 58],
+                loc: {
+                  start: { line: 1, column: 56 },
+                  end: { line: 1, column: 58 }
+                }
+              },
+              {
+                type: "CallExpression",
+                callee: {
+                  type: "Identifier",
+                  name: "getObject",
+                  range: [60, 69],
+                  loc: {
+                    start: { line: 1, column: 60 },
+                    end: { line: 1, column: 69 }
+                  }
+                },
+                arguments: [],
+                optional: false,
+                range: [60, 71],
+                loc: {
+                  start: { line: 1, column: 60 },
+                  end: { line: 1, column: 71 }
+                }
+              }
+            ],
+            optional: false,
+            range: [12, 72],
+            loc: {
+              start: { line: 1, column: 12 },
+              end: { line: 1, column: 72 }
+            },
+            typeParameters: {
+              type: "TSTypeParameterInstantiation",
+              range: [25, 55],
+              params: [
+                {
+                  type: "TSTypeLiteral",
+                  members: [],
+                  range: [26, 28],
+                  loc: {
+                    start: { line: 1, column: 26 },
+                    end: { line: 1, column: 28 }
+                  }
+                },
+                {
+                  type: "TSTypeReference",
+                  typeName: {
+                    type: "Identifier",
+                    name: "Record",
+                    range: [30, 36],
+                    loc: {
+                      start: { line: 1, column: 30 },
+                      end: { line: 1, column: 36 }
+                    }
+                  },
+                  typeParameters: {
+                    type: "TSTypeParameterInstantiation",
+                    range: [36, 54],
+                    params: [
+                      {
+                        type: "TSStringKeyword",
+                        range: [37, 43],
+                        loc: {
+                          start: { line: 1, column: 37 },
+                          end: { line: 1, column: 43 }
+                        }
+                      },
+                      {
+                        type: "TSArrayType",
+                        elementType: {
+                          type: "TSStringKeyword",
+                          range: [45, 51],
+                          loc: {
+                            start: { line: 1, column: 45 },
+                            end: { line: 1, column: 51 }
+                          }
+                        },
+                        range: [45, 53],
+                        loc: {
+                          start: { line: 1, column: 45 },
+                          end: { line: 1, column: 53 }
+                        }
+                      }
+                    ],
+                    loc: {
+                      start: { line: 1, column: 36 },
+                      end: { line: 1, column: 54 }
+                    }
+                  },
+                  range: [30, 54],
+                  loc: {
+                    start: { line: 1, column: 30 },
+                    end: { line: 1, column: 54 }
+                  }
+                }
+              ],
+              loc: {
+                start: { line: 1, column: 25 },
+                end: { line: 1, column: 55 }
+              }
+            }
+          },
+          range: [6, 72],
+          loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 72 } }
+        }
+      ],
+      kind: "const",
+      range: [0, 73],
+      loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 73 } }
+    }
+  ],
+  sourceType: "script",
+  range: [0, 73],
+  loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 73 } },
+  tokens: [
+    {
+      type: "Keyword",
+      value: "const",
+      range: [0, 5],
+      loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } }
+    },
+    {
+      type: "Identifier",
+      value: "obj",
+      range: [6, 9],
+      loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 9 } }
+    },
+    {
+      type: "Punctuator",
+      value: "=",
+      range: [10, 11],
+      loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } }
+    },
+    {
+      type: "Identifier",
+      value: "Object",
+      range: [12, 18],
+      loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 18 } }
+    },
+    {
+      type: "Punctuator",
+      value: ".",
+      range: [18, 19],
+      loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } }
+    },
+    {
+      type: "Identifier",
+      value: "assign",
+      range: [19, 25],
+      loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 25 } }
+    },
+    {
+      type: "Punctuator",
+      value: "<",
+      range: [25, 26],
+      loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 26 } }
+    },
+    {
+      type: "Punctuator",
+      value: "{",
+      range: [26, 27],
+      loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 27 } }
+    },
+    {
+      type: "Punctuator",
+      value: "}",
+      range: [27, 28],
+      loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 28 } }
+    },
+    {
+      type: "Punctuator",
+      value: ",",
+      range: [28, 29],
+      loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } }
+    },
+    {
+      type: "Identifier",
+      value: "Record",
+      range: [30, 36],
+      loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 36 } }
+    },
+    {
+      type: "Punctuator",
+      value: "<",
+      range: [36, 37],
+      loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 37 } }
+    },
+    {
+      type: "Identifier",
+      value: "string",
+      range: [37, 43],
+      loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 43 } }
+    },
+    {
+      type: "Punctuator",
+      value: ",",
+      range: [43, 44],
+      loc: { start: { line: 1, column: 43 }, end: { line: 1, column: 44 } }
+    },
+    {
+      type: "Identifier",
+      value: "string",
+      range: [45, 51],
+      loc: { start: { line: 1, column: 45 }, end: { line: 1, column: 51 } }
+    },
+    {
+      type: "Punctuator",
+      value: "[",
+      range: [51, 52],
+      loc: { start: { line: 1, column: 51 }, end: { line: 1, column: 52 } }
+    },
+    {
+      type: "Punctuator",
+      value: "]",
+      range: [52, 53],
+      loc: { start: { line: 1, column: 52 }, end: { line: 1, column: 53 } }
+    },
+    {
+      type: "Punctuator",
+      value: ">",
+      range: [53, 54],
+      loc: { start: { line: 1, column: 53 }, end: { line: 1, column: 54 } }
+    },
+    {
+      type: "Punctuator",
+      value: ">",
+      range: [54, 55],
+      loc: { start: { line: 1, column: 54 }, end: { line: 1, column: 55 } }
+    },
+    {
+      type: "Punctuator",
+      value: "(",
+      range: [55, 56],
+      loc: { start: { line: 1, column: 55 }, end: { line: 1, column: 56 } }
+    },
+    {
+      type: "Punctuator",
+      value: "{",
+      range: [56, 57],
+      loc: { start: { line: 1, column: 56 }, end: { line: 1, column: 57 } }
+    },
+    {
+      type: "Punctuator",
+      value: "}",
+      range: [57, 58],
+      loc: { start: { line: 1, column: 57 }, end: { line: 1, column: 58 } }
+    },
+    {
+      type: "Punctuator",
+      value: ",",
+      range: [58, 59],
+      loc: { start: { line: 1, column: 58 }, end: { line: 1, column: 59 } }
+    },
+    {
+      type: "Identifier",
+      value: "getObject",
+      range: [60, 69],
+      loc: { start: { line: 1, column: 60 }, end: { line: 1, column: 69 } }
+    },
+    {
+      type: "Punctuator",
+      value: "(",
+      range: [69, 70],
+      loc: { start: { line: 1, column: 69 }, end: { line: 1, column: 70 } }
+    },
+    {
+      type: "Punctuator",
+      value: ")",
+      range: [70, 71],
+      loc: { start: { line: 1, column: 70 }, end: { line: 1, column: 71 } }
+    },
+    {
+      type: "Punctuator",
+      value: ")",
+      range: [71, 72],
+      loc: { start: { line: 1, column: 71 }, end: { line: 1, column: 72 } }
+    },
+    {
+      type: "Punctuator",
+      value: ";",
+      range: [72, 73],
+      loc: { start: { line: 1, column: 72 }, end: { line: 1, column: 73 } }
+    }
+  ],
+  comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-2.js b/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-2.js
new file mode 100644
index 0000000..8cac478
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-2.js
@@ -0,0 +1,198 @@
+"use strict";
+
+/**
+ * Parser: @typescript-eslint/parser@2.24.0
+ * Source code:
+ * Object.assign<{}, A>({}, foo);
+ */
+
+exports.parse = () => ({
+  type: "Program",
+  body: [
+    {
+      type: "ExpressionStatement",
+      expression: {
+        type: "CallExpression",
+        callee: {
+          type: "MemberExpression",
+          object: {
+            type: "Identifier",
+            name: "Object",
+            range: [0, 6],
+            loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } }
+          },
+          property: {
+            type: "Identifier",
+            name: "assign",
+            range: [7, 13],
+            loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 13 } }
+          },
+          computed: false,
+          optional: false,
+          range: [0, 13],
+          loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } }
+        },
+        arguments: [
+          {
+            type: "ObjectExpression",
+            properties: [],
+            range: [21, 23],
+            loc: {
+              start: { line: 1, column: 21 },
+              end: { line: 1, column: 23 }
+            }
+          },
+          {
+            type: "Identifier",
+            name: "foo",
+            range: [25, 28],
+            loc: {
+              start: { line: 1, column: 25 },
+              end: { line: 1, column: 28 }
+            }
+          }
+        ],
+        optional: false,
+        range: [0, 29],
+        loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } },
+        typeParameters: {
+          type: "TSTypeParameterInstantiation",
+          range: [13, 20],
+          params: [
+            {
+              type: "TSTypeLiteral",
+              members: [],
+              range: [14, 16],
+              loc: {
+                start: { line: 1, column: 14 },
+                end: { line: 1, column: 16 }
+              }
+            },
+            {
+              type: "TSTypeReference",
+              typeName: {
+                type: "Identifier",
+                name: "A",
+                range: [18, 19],
+                loc: {
+                  start: { line: 1, column: 18 },
+                  end: { line: 1, column: 19 }
+                }
+              },
+              range: [18, 19],
+              loc: {
+                start: { line: 1, column: 18 },
+                end: { line: 1, column: 19 }
+              }
+            }
+          ],
+          loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 20 } }
+        }
+      },
+      range: [0, 30],
+      loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 30 } }
+    }
+  ],
+  sourceType: "script",
+  range: [0, 30],
+  loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 30 } },
+  tokens: [
+    {
+      type: "Identifier",
+      value: "Object",
+      range: [0, 6],
+      loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } }
+    },
+    {
+      type: "Punctuator",
+      value: ".",
+      range: [6, 7],
+      loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } }
+    },
+    {
+      type: "Identifier",
+      value: "assign",
+      range: [7, 13],
+      loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 13 } }
+    },
+    {
+      type: "Punctuator",
+      value: "<",
+      range: [13, 14],
+      loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } }
+    },
+    {
+      type: "Punctuator",
+      value: "{",
+      range: [14, 15],
+      loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }
+    },
+    {
+      type: "Punctuator",
+      value: "}",
+      range: [15, 16],
+      loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 16 } }
+    },
+    {
+      type: "Punctuator",
+      value: ",",
+      range: [16, 17],
+      loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } }
+    },
+    {
+      type: "Identifier",
+      value: "A",
+      range: [18, 19],
+      loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } }
+    },
+    {
+      type: "Punctuator",
+      value: ">",
+      range: [19, 20],
+      loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } }
+    },
+    {
+      type: "Punctuator",
+      value: "(",
+      range: [20, 21],
+      loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } }
+    },
+    {
+      type: "Punctuator",
+      value: "{",
+      range: [21, 22],
+      loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 22 } }
+    },
+    {
+      type: "Punctuator",
+      value: "}",
+      range: [22, 23],
+      loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 23 } }
+    },
+    {
+      type: "Punctuator",
+      value: ",",
+      range: [23, 24],
+      loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } }
+    },
+    {
+      type: "Identifier",
+      value: "foo",
+      range: [25, 28],
+      loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 28 } }
+    },
+    {
+      type: "Punctuator",
+      value: ")",
+      range: [28, 29],
+      loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } }
+    },
+    {
+      type: "Punctuator",
+      value: ";",
+      range: [29, 30],
+      loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 30 } }
+    }
+  ],
+  comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/object-with-arrow-fn-props.js b/eslint/tests/fixtures/parsers/typescript-parsers/object-with-arrow-fn-props.js
new file mode 100644
index 0000000..9177aa4
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/object-with-arrow-fn-props.js
@@ -0,0 +1,8935 @@
+'use strict';
+
+/*
+ * Parsed on astexplorer.net using @typescript-eslint/parser@1.13.0
+ *
+ * Source:
+const test = {
+    key: (): void => {x()},
+    key: ( (): void => {x()} ),
+    key: ( (): (void) => {x()} ),
+
+    key: (arg: t): void => {x()},
+    key: ( (arg: t): void => {x()} ),
+    key: ( (arg: t): (void) => {x()} ),
+
+    key: (arg: t, arg2: t): void => {x()},
+    key: ( (arg: t, arg2: t): void => {x()} ),
+    key: ( (arg: t, arg2: t): (void) => {x()} ),
+
+    key: async (): void => {x()},
+    key: ( async (): void => {x()} ),
+    key: ( async (): (void) => {x()} ),
+
+    key: async (arg: t): void => {x()},
+    key: ( async (arg: t): void => {x()} ),
+    key: ( async (arg: t): (void) => {x()} ),
+
+    key: async (arg: t, arg2: t): void => {x()},
+    key: ( async (arg: t, arg2: t): void => {x()} ),
+    key: ( async (arg: t, arg2: t): (void) => {x()} ),
+}
+ */
+
+exports.parse = () => ({
+    type: 'Program',
+    body: [
+        {
+            type: 'VariableDeclaration',
+            declarations: [
+                {
+                    type: 'VariableDeclarator',
+                    id: {
+                        type: 'Identifier',
+                        name: 'test',
+                        range: [6, 10],
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 6,
+                            },
+                            end: {
+                                line: 1,
+                                column: 10,
+                            },
+                        },
+                    },
+                    init: {
+                        type: 'ObjectExpression',
+                        properties: [
+                            {
+                                type: 'Property',
+                                key: {
+                                    type: 'Identifier',
+                                    name: 'key',
+                                    range: [19, 22],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 4,
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 7,
+                                        },
+                                    },
+                                },
+                                value: {
+                                    type: 'ArrowFunctionExpression',
+                                    generator: false,
+                                    id: null,
+                                    params: [],
+                                    body: {
+                                        type: 'BlockStatement',
+                                        body: [
+                                            {
+                                                type: 'ExpressionStatement',
+                                                expression: {
+                                                    type: 'CallExpression',
+                                                    callee: {
+                                                        type: 'Identifier',
+                                                        name: 'x',
+                                                        range: [37, 38],
+                                                        loc: {
+                                                            start: {
+                                                                line: 2,
+                                                                column: 22,
+                                                            },
+                                                            end: {
+                                                                line: 2,
+                                                                column: 23,
+                                                            },
+                                                        },
+                                                    },
+                                                    arguments: [],
+                                                    range: [37, 40],
+                                                    loc: {
+                                                        start: {
+                                                            line: 2,
+                                                            column: 22,
+                                                        },
+                                                        end: {
+                                                            line: 2,
+                                                            column: 25,
+                                                        },
+                                                    },
+                                                },
+                                                range: [37, 40],
+                                                loc: {
+                                                    start: {
+                                                        line: 2,
+                                                        column: 22,
+                                                    },
+                                                    end: {
+                                                        line: 2,
+                                                        column: 25,
+                                                    },
+                                                },
+                                            },
+                                        ],
+                                        range: [36, 41],
+                                        loc: {
+                                            start: {
+                                                line: 2,
+                                                column: 21,
+                                            },
+                                            end: {
+                                                line: 2,
+                                                column: 26,
+                                            },
+                                        },
+                                    },
+                                    async: false,
+                                    expression: false,
+                                    range: [24, 41],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 9,
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 26,
+                                        },
+                                    },
+                                    returnType: {
+                                        type: 'TSTypeAnnotation',
+                                        loc: {
+                                            start: {
+                                                line: 2,
+                                                column: 11,
+                                            },
+                                            end: {
+                                                line: 2,
+                                                column: 17,
+                                            },
+                                        },
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+                                        typeAnnotation: {
+                                            type: 'TSVoidKeyword',
+                                            range: [28, 32],
+                                            loc: {
+                                                start: {
+                                                    line: 2,
+                                                    column: 13,
+                                                },
+                                                end: {
+                                                    line: 2,
+                                                    column: 17,
+                                                },
+                                            },
+                                        },
+                                    },
+                                },
+                                computed: false,
+                                method: false,
+                                shorthand: false,
+                                kind: 'init',
+                                range: [19, 41],
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 4,
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 26,
+                                    },
+                                },
+                            },
+                            {
+                                type: 'Property',
+                                key: {
+                                    type: 'Identifier',
+                                    name: 'key',
+                                    range: [47, 50],
+                                    loc: {
+                                        start: {
+                                            line: 3,
+                                            column: 4,
+                                        },
+                                        end: {
+                                            line: 3,
+                                            column: 7,
+                                        },
+                                    },
+                                },
+                                value: {
+                                    type: 'ArrowFunctionExpression',
+                                    generator: false,
+                                    id: null,
+                                    params: [],
+                                    body: {
+                                        type: 'BlockStatement',
+                                        body: [
+                                            {
+                                                type: 'ExpressionStatement',
+                                                expression: {
+                                                    type: 'CallExpression',
+                                                    callee: {
+                                                        type: 'Identifier',
+                                                        name: 'x',
+                                                        range: [67, 68],
+                                                        loc: {
+                                                            start: {
+                                                                line: 3,
+                                                                column: 24,
+                                                            },
+                                                            end: {
+                                                                line: 3,
+                                                                column: 25,
+                                                            },
+                                                        },
+                                                    },
+                                                    arguments: [],
+                                                    range: [67, 70],
+                                                    loc: {
+                                                        start: {
+                                                            line: 3,
+                                                            column: 24,
+                                                        },
+                                                        end: {
+                                                            line: 3,
+                                                            column: 27,
+                                                        },
+                                                    },
+                                                },
+                                                range: [67, 70],
+                                                loc: {
+                                                    start: {
+                                                        line: 3,
+                                                        column: 24,
+                                                    },
+                                                    end: {
+                                                        line: 3,
+                                                        column: 27,
+                                                    },
+                                                },
+                                            },
+                                        ],
+                                        range: [66, 71],
+                                        loc: {
+                                            start: {
+                                                line: 3,
+                                                column: 23,
+                                            },
+                                            end: {
+                                                line: 3,
+                                                column: 28,
+                                            },
+                                        },
+                                    },
+                                    async: false,
+                                    expression: false,
+                                    range: [54, 71],
+                                    loc: {
+                                        start: {
+                                            line: 3,
+                                            column: 11,
+                                        },
+                                        end: {
+                                            line: 3,
+                                            column: 28,
+                                        },
+                                    },
+                                    returnType: {
+                                        type: 'TSTypeAnnotation',
+                                        loc: {
+                                            start: {
+                                                line: 3,
+                                                column: 13,
+                                            },
+                                            end: {
+                                                line: 3,
+                                                column: 19,
+                                            },
+                                        },
+                                        range: [56, 62],
+                                        typeAnnotation: {
+                                            type: 'TSVoidKeyword',
+                                            range: [58, 62],
+                                            loc: {
+                                                start: {
+                                                    line: 3,
+                                                    column: 15,
+                                                },
+                                                end: {
+                                                    line: 3,
+                                                    column: 19,
+                                                },
+                                            },
+                                        },
+                                    },
+                                },
+                                computed: false,
+                                method: false,
+                                shorthand: false,
+                                kind: 'init',
+                                range: [47, 73],
+                                loc: {
+                                    start: {
+                                        line: 3,
+                                        column: 4,
+                                    },
+                                    end: {
+                                        line: 3,
+                                        column: 30,
+                                    },
+                                },
+                            },
+                            {
+                                type: 'Property',
+                                key: {
+                                    type: 'Identifier',
+                                    name: 'key',
+                                    range: [79, 82],
+                                    loc: {
+                                        start: {
+                                            line: 4,
+                                            column: 4,
+                                        },
+                                        end: {
+                                            line: 4,
+                                            column: 7,
+                                        },
+                                    },
+                                },
+                                value: {
+                                    type: 'ArrowFunctionExpression',
+                                    generator: false,
+                                    id: null,
+                                    params: [],
+                                    body: {
+                                        type: 'BlockStatement',
+                                        body: [
+                                            {
+                                                type: 'ExpressionStatement',
+                                                expression: {
+                                                    type: 'CallExpression',
+                                                    callee: {
+                                                        type: 'Identifier',
+                                                        name: 'x',
+                                                        range: [101, 102],
+                                                        loc: {
+                                                            start: {
+                                                                line: 4,
+                                                                column: 26,
+                                                            },
+                                                            end: {
+                                                                line: 4,
+                                                                column: 27,
+                                                            },
+                                                        },
+                                                    },
+                                                    arguments: [],
+                                                    range: [101, 104],
+                                                    loc: {
+                                                        start: {
+                                                            line: 4,
+                                                            column: 26,
+                                                        },
+                                                        end: {
+                                                            line: 4,
+                                                            column: 29,
+                                                        },
+                                                    },
+                                                },
+                                                range: [101, 104],
+                                                loc: {
+                                                    start: {
+                                                        line: 4,
+                                                        column: 26,
+                                                    },
+                                                    end: {
+                                                        line: 4,
+                                                        column: 29,
+                                                    },
+                                                },
+                                            },
+                                        ],
+                                        range: [100, 105],
+                                        loc: {
+                                            start: {
+                                                line: 4,
+                                                column: 25,
+                                            },
+                                            end: {
+                                                line: 4,
+                                                column: 30,
+                                            },
+                                        },
+                                    },
+                                    async: false,
+                                    expression: false,
+                                    range: [86, 105],
+                                    loc: {
+                                        start: {
+                                            line: 4,
+                                            column: 11,
+                                        },
+                                        end: {
+                                            line: 4,
+                                            column: 30,
+                                        },
+                                    },
+                                    returnType: {
+                                        type: 'TSTypeAnnotation',
+                                        loc: {
+                                            start: {
+                                                line: 4,
+                                                column: 13,
+                                            },
+                                            end: {
+                                                line: 4,
+                                                column: 21,
+                                            },
+                                        },
+                                        range: [88, 96],
+                                        typeAnnotation: {
+                                            type: 'TSParenthesizedType',
+                                            typeAnnotation: {
+                                                type: 'TSVoidKeyword',
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+                                                    },
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+                                                    column: 15,
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+                                                },
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+                                computed: false,
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+                                shorthand: false,
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+                                    end: {
+                                        line: 4,
+                                        column: 32,
+                                    },
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+                                type: 'Property',
+                                key: {
+                                    type: 'Identifier',
+                                    name: 'key',
+                                    range: [114, 117],
+                                    loc: {
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+                                            column: 4,
+                                        },
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+                                            line: 6,
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+                                        },
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+                                    params: [
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+                                                },
+                                                end: {
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+                                                    column: 16,
+                                                },
+                                            },
+                                            typeAnnotation: {
+                                                type: 'TSTypeAnnotation',
+                                                loc: {
+                                                    start: {
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+                                                        column: 13,
+                                                    },
+                                                    end: {
+                                                        line: 6,
+                                                        column: 16,
+                                                    },
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+                                                typeAnnotation: {
+                                                    type: 'TSTypeReference',
+                                                    typeName: {
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+                                                            },
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+                                            column: 32,
+                                        },
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+                                        type: 'TSTypeAnnotation',
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+                                            start: {
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+                                    type: 'Identifier',
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+                                    id: null,
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+                                        {
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+                                            loc: {
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+                end: {
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+            value: ',',
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+                end: {
+                    line: 24,
+                    column: 54,
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+        {
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+            value: '}',
+            range: [764, 765],
+            loc: {
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diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-1.js b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-1.js
new file mode 100644
index 0000000..ba6cb38
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-1.js
@@ -0,0 +1,245 @@
+"use strict";
+
+/*
+ * Parsed on astexplorer.net using @typescript-eslint/parser@1.4.2
+ *
+ * Source:
+ * tag<generic>`
+ *     multiline
+ * `;
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "ExpressionStatement",
+            expression: {
+                type: "TaggedTemplateExpression",
+                typeParameters: {
+                    type: "TSTypeParameterInstantiation",
+                    range: [3, 12],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 3
+                        },
+                        end: {
+                            line: 1,
+                            column: 12
+                        }
+                    },
+                    params: [
+                        {
+                            type: "TSTypeReference",
+                            typeName: {
+                                type: "Identifier",
+                                name: "generic",
+                                range: [4, 11],
+                                loc: {
+                                    start: {
+                                        line: 1,
+                                        column: 4
+                                    },
+                                    end: {
+                                        line: 1,
+                                        column: 11
+                                    }
+                                }
+                            },
+                            range: [4, 11],
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 4
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 11
+                                }
+                            }
+                        }
+                    ]
+                },
+                tag: {
+                    type: "Identifier",
+                    name: "tag",
+                    range: [0, 3],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 3
+                        }
+                    }
+                },
+                quasi: {
+                    type: "TemplateLiteral",
+                    quasis: [
+                        {
+                            type: "TemplateElement",
+                            value: {
+                                raw: "\n    multiline\n",
+                                cooked: "\n    multiline\n"
+                            },
+                            tail: true,
+                            range: [12, 29],
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 12
+                                },
+                                end: {
+                                    line: 3,
+                                    column: 1
+                                }
+                            }
+                        }
+                    ],
+                    expressions: [],
+                    range: [12, 29],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 12
+                        },
+                        end: {
+                            line: 3,
+                            column: 1
+                        }
+                    }
+                },
+                range: [0, 29],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 3,
+                        column: 1
+                    }
+                }
+            },
+            range: [0, 30],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 2
+                }
+            }
+        }
+    ],
+    sourceType: "script",
+    range: [0, 30],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 3,
+            column: 2
+        }
+    },
+    tokens: [
+        {
+            type: "Identifier",
+            value: "tag",
+            range: [0, 3],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [3, 4],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 3
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "generic",
+            range: [4, 11],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 4
+                },
+                end: {
+                    line: 1,
+                    column: 11
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [11, 12],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 11
+                },
+                end: {
+                    line: 1,
+                    column: 12
+                }
+            }
+        },
+        {
+            type: "Template",
+            value: "`\n    multiline\n`",
+            range: [12, 29],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 12
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [29, 30],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 1
+                },
+                end: {
+                    line: 3,
+                    column: 2
+                }
+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-2.js b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-2.js
new file mode 100644
index 0000000..4ac20dc
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-2.js
@@ -0,0 +1,247 @@
+"use strict";
+
+/*
+ * Parsed on astexplorer.net using @typescript-eslint/parser@1.4.2
+ *
+ * Source:
+ * tag<
+ *   generic
+ * >`
+ *     multiline
+ * `;
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "ExpressionStatement",
+            expression: {
+                type: "TaggedTemplateExpression",
+                typeParameters: {
+                    type: "TSTypeParameterInstantiation",
+                    range: [3, 16],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 3
+                        },
+                        end: {
+                            line: 3,
+                            column: 1
+                        }
+                    },
+                    params: [
+                        {
+                            type: "TSTypeReference",
+                            typeName: {
+                                type: "Identifier",
+                                name: "generic",
+                                range: [7, 14],
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 2
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 9
+                                    }
+                                }
+                            },
+                            range: [7, 14],
+                            loc: {
+                                start: {
+                                    line: 2,
+                                    column: 2
+                                },
+                                end: {
+                                    line: 2,
+                                    column: 9
+                                }
+                            }
+                        }
+                    ]
+                },
+                tag: {
+                    type: "Identifier",
+                    name: "tag",
+                    range: [0, 3],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 3
+                        }
+                    }
+                },
+                quasi: {
+                    type: "TemplateLiteral",
+                    quasis: [
+                        {
+                            type: "TemplateElement",
+                            value: {
+                                raw: "\n    multiline\n",
+                                cooked: "\n    multiline\n"
+                            },
+                            tail: true,
+                            range: [16, 33],
+                            loc: {
+                                start: {
+                                    line: 3,
+                                    column: 1
+                                },
+                                end: {
+                                    line: 5,
+                                    column: 1
+                                }
+                            }
+                        }
+                    ],
+                    expressions: [],
+                    range: [16, 33],
+                    loc: {
+                        start: {
+                            line: 3,
+                            column: 1
+                        },
+                        end: {
+                            line: 5,
+                            column: 1
+                        }
+                    }
+                },
+                range: [0, 33],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 5,
+                        column: 1
+                    }
+                }
+            },
+            range: [0, 34],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 5,
+                    column: 2
+                }
+            }
+        }
+    ],
+    sourceType: "script",
+    range: [0, 34],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 5,
+            column: 2
+        }
+    },
+    tokens: [
+        {
+            type: "Identifier",
+            value: "tag",
+            range: [0, 3],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [3, 4],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 3
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "generic",
+            range: [7, 14],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 2
+                },
+                end: {
+                    line: 2,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [15, 16],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        },
+        {
+            type: "Template",
+            value: "`\n    multiline\n`",
+            range: [16, 33],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 1
+                },
+                end: {
+                    line: 5,
+                    column: 1
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [33, 34],
+            loc: {
+                start: {
+                    line: 5,
+                    column: 1
+                },
+                end: {
+                    line: 5,
+                    column: 2
+                }
+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-3.js b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-3.js
new file mode 100644
index 0000000..e9018e1
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-3.js
@@ -0,0 +1,245 @@
+"use strict";
+
+/*
+ * Parsed on astexplorer.net using @typescript-eslint/parser@1.4.2
+ *
+ * Source:
+ * tag<
+ *   generic
+ * >`multiline`;
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "ExpressionStatement",
+            expression: {
+                type: "TaggedTemplateExpression",
+                typeParameters: {
+                    type: "TSTypeParameterInstantiation",
+                    range: [3, 16],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 3
+                        },
+                        end: {
+                            line: 3,
+                            column: 1
+                        }
+                    },
+                    params: [
+                        {
+                            type: "TSTypeReference",
+                            typeName: {
+                                type: "Identifier",
+                                name: "generic",
+                                range: [7, 14],
+                                loc: {
+                                    start: {
+                                        line: 2,
+                                        column: 2
+                                    },
+                                    end: {
+                                        line: 2,
+                                        column: 9
+                                    }
+                                }
+                            },
+                            range: [7, 14],
+                            loc: {
+                                start: {
+                                    line: 2,
+                                    column: 2
+                                },
+                                end: {
+                                    line: 2,
+                                    column: 9
+                                }
+                            }
+                        }
+                    ]
+                },
+                tag: {
+                    type: "Identifier",
+                    name: "tag",
+                    range: [0, 3],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 3
+                        }
+                    }
+                },
+                quasi: {
+                    type: "TemplateLiteral",
+                    quasis: [
+                        {
+                            type: "TemplateElement",
+                            value: {
+                                raw: "multiline",
+                                cooked: "multiline"
+                            },
+                            tail: true,
+                            range: [16, 27],
+                            loc: {
+                                start: {
+                                    line: 3,
+                                    column: 1
+                                },
+                                end: {
+                                    line: 3,
+                                    column: 12
+                                }
+                            }
+                        }
+                    ],
+                    expressions: [],
+                    range: [16, 27],
+                    loc: {
+                        start: {
+                            line: 3,
+                            column: 1
+                        },
+                        end: {
+                            line: 3,
+                            column: 12
+                        }
+                    }
+                },
+                range: [0, 27],
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 3,
+                        column: 12
+                    }
+                }
+            },
+            range: [0, 28],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 13
+                }
+            }
+        }
+    ],
+    sourceType: "script",
+    range: [0, 28],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 3,
+            column: 13
+        }
+    },
+    tokens: [
+        {
+            type: "Identifier",
+            value: "tag",
+            range: [0, 3],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [3, 4],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 3
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "generic",
+            range: [7, 14],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 2
+                },
+                end: {
+                    line: 2,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [15, 16],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        },
+        {
+            type: "Template",
+            value: "`multiline`",
+            range: [16, 27],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 1
+                },
+                end: {
+                    line: 3,
+                    column: 12
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [27, 28],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 12
+                },
+                end: {
+                    line: 3,
+                    column: 13
+                }
+            }
+        }
+    ],
+    comments: []
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-and-comment.js b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-and-comment.js
new file mode 100644
index 0000000..e8c8ca1
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-and-comment.js
@@ -0,0 +1,325 @@
+"use strict";
+
+/**
+ * Parsed on astexplorer.net using @typescript-eslint/parser@2.6.1
+ *
+ * Source:
+ */
+// const x = aaaa<
+//   test
+// >/*
+// test
+// */`foo`
+
+exports.parse = () => ({
+    type: "Program",
+    body: [
+        {
+            type: "VariableDeclaration",
+            declarations: [
+                {
+                    type: "VariableDeclarator",
+                    id: {
+                        type: "Identifier",
+                        name: "x",
+                        range: [6, 7],
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 6
+                            },
+                            end: {
+                                line: 1,
+                                column: 7
+                            }
+                        }
+                    },
+                    init: {
+                        type: "TaggedTemplateExpression",
+                        typeParameters: {
+                            type: "TSTypeParameterInstantiation",
+                            range: [14, 24],
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 14
+                                },
+                                end: {
+                                    line: 3,
+                                    column: 1
+                                }
+                            },
+                            params: [
+                                {
+                                    type: "TSTypeReference",
+                                    typeName: {
+                                        type: "Identifier",
+                                        name: "test",
+                                        range: [18, 22],
+                                        loc: {
+                                            start: {
+                                                line: 2,
+                                                column: 2
+                                            },
+                                            end: {
+                                                line: 2,
+                                                column: 6
+                                            }
+                                        }
+                                    },
+                                    range: [18, 22],
+                                    loc: {
+                                        start: {
+                                            line: 2,
+                                            column: 2
+                                        },
+                                        end: {
+                                            line: 2,
+                                            column: 6
+                                        }
+                                    }
+                                }
+                            ]
+                        },
+                        tag: {
+                            type: "Identifier",
+                            name: "aaaa",
+                            range: [10, 14],
+                            loc: {
+                                start: {
+                                    line: 1,
+                                    column: 10
+                                },
+                                end: {
+                                    line: 1,
+                                    column: 14
+                                }
+                            }
+                        },
+                        quasi: {
+                            type: "TemplateLiteral",
+                            quasis: [
+                                {
+                                    type: "TemplateElement",
+                                    value: {
+                                        raw: "foo",
+                                        cooked: "foo"
+                                    },
+                                    tail: true,
+                                    range: [34, 39],
+                                    loc: {
+                                        start: {
+                                            line: 5,
+                                            column: 2
+                                        },
+                                        end: {
+                                            line: 5,
+                                            column: 7
+                                        }
+                                    }
+                                }
+                            ],
+                            expressions: [],
+                            range: [34, 39],
+                            loc: {
+                                start: {
+                                    line: 5,
+                                    column: 2
+                                },
+                                end: {
+                                    line: 5,
+                                    column: 7
+                                }
+                            }
+                        },
+                        range: [10, 39],
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 10
+                            },
+                            end: {
+                                line: 5,
+                                column: 7
+                            }
+                        }
+                    },
+                    range: [6, 39],
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 6
+                        },
+                        end: {
+                            line: 5,
+                            column: 7
+                        }
+                    }
+                }
+            ],
+            kind: "const",
+            range: [0, 39],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 5,
+                    column: 7
+                }
+            }
+        }
+    ],
+    sourceType: "module",
+    range: [0, 39],
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 5,
+            column: 7
+        }
+    },
+    tokens: [
+        {
+            type: "Keyword",
+            value: "const",
+            range: [0, 5],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 5
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "x",
+            range: [6, 7],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 6
+                },
+                end: {
+                    line: 1,
+                    column: 7
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "=",
+            range: [8, 9],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 8
+                },
+                end: {
+                    line: 1,
+                    column: 9
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "aaaa",
+            range: [10, 14],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 10
+                },
+                end: {
+                    line: 1,
+                    column: 14
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [14, 15],
+            loc: {
+                start: {
+                    line: 1,
+                    column: 14
+                },
+                end: {
+                    line: 1,
+                    column: 15
+                }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "test",
+            range: [18, 22],
+            loc: {
+                start: {
+                    line: 2,
+                    column: 2
+                },
+                end: {
+                    line: 2,
+                    column: 6
+                }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [23, 24],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 0
+                },
+                end: {
+                    line: 3,
+                    column: 1
+                }
+            }
+        },
+        {
+            type: "Template",
+            value: "`foo`",
+            range: [34, 39],
+            loc: {
+                start: {
+                    line: 5,
+                    column: 2
+                },
+                end: {
+                    line: 5,
+                    column: 7
+                }
+            }
+        }
+    ],
+    comments: [
+        {
+            type: "Block",
+            value: "\ntest\n",
+            range: [24, 34],
+            loc: {
+                start: {
+                    line: 3,
+                    column: 1
+                },
+                end: {
+                    line: 5,
+                    column: 2
+                }
+            }
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/typescript-parsers/type-alias.js b/eslint/tests/fixtures/parsers/typescript-parsers/type-alias.js
new file mode 100644
index 0000000..f1d68c4
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/typescript-parsers/type-alias.js
@@ -0,0 +1,155 @@
+"use strict";
+
+exports.parse = () => ({
+    type: "Program",
+    range: [0, 16],
+    loc: {
+        start: { line: 1, column: 0 },
+        end: { line: 1, column: 16 }
+    },
+    body: [
+        {
+            type: "VariableDeclaration",
+            range: [0, 16],
+            loc: {
+                start: { line: 1, column: 0 },
+                end: { line: 1, column: 16 }
+            },
+            kind: "type",
+            declarations: [
+                {
+                    type: "VariableDeclarator",
+                    id: {
+                        type: "Identifier",
+                        range: [
+                            5,
+                            8
+                        ],
+                        loc: {
+                            start: { line: 1, column: 5 },
+                            end: { line: 1, column: 8 }
+                        },
+                        name: "Foo"
+                    },
+                    init: {
+                        type: "TSTypeReference",
+                        range: [14, 15],
+                        loc: {
+                            start: { line: 1, column: 14 },
+                            end: { line: 1, column: 15 }
+                        },
+                        typeName: {
+                            type: "Identifier",
+                            range: [14, 15],
+                            loc: {
+                                start: { line: 1, column: 14 },
+                                end: { line: 1, column: 15 }
+                            },
+                            name: "T"
+                        }
+                    },
+                    range: [5, 16],
+                    loc: {
+                        start: { line: 1, column: 5 },
+                        end: { line: 1, column: 16 }
+                    },
+                    typeParameters: {
+                        type: "TSTypeParameterDeclaration",
+                        range: [8, 11],
+                        loc: {
+                            start: { line: 1, column: 8 },
+                            end: { line: 1, column: 11 }
+                        },
+                        params: [
+                            {
+                                type: "TSTypeParameter",
+                                range: [9, 10],
+                                loc: {
+                                    start: { line: 1, column: 9 },
+                                    end: { line: 1, column: 10 }
+                                },
+                                name: "T"
+                            }
+                        ]
+                    }
+                }
+            ]
+        }
+    ],
+    sourceType: "script",
+    tokens: [
+        {
+            type: "Identifier",
+            value: "type",
+            range: [0, 4],
+            loc: {
+                start: { line: 1, column: 0 },
+                end: { line: 1, column: 4 }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "Foo",
+            range: [5, 8],
+            loc: {
+                start: { line: 1, column: 5 },
+                end: { line: 1, column: 8 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "<",
+            range: [8, 9],
+            loc: {
+                start: { line: 1, column: 8 },
+                end: { line: 1, column: 9 }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "T",
+            range: [9, 10],
+            loc: {
+                start: { line: 1, column: 9 },
+                end: { line: 1, column: 10 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ">",
+            range: [10, 11],
+            loc: {
+                start: { line: 1, column: 10 },
+                end: { line: 1, column: 11 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: "=",
+            range: [12, 13],
+            loc: {
+                start: { line: 1, column: 12 },
+                end: { line: 1, column: 13 }
+            }
+        },
+        {
+            type: "Identifier",
+            value: "T",
+            range: [14, 15],
+            loc: {
+                start: { line: 1, column: 14 },
+                end: { line: 1, column: 15 }
+            }
+        },
+        {
+            type: "Punctuator",
+            value: ";",
+            range: [15, 16],
+            loc: {
+                start: { line: 1, column: 15 },
+                end: { line: 1, column: 16 }
+            }
+        }
+    ],
+    comments: []
+})
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-invalid.js b/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-invalid.js
new file mode 100644
index 0000000..f2eceec
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-invalid.js
@@ -0,0 +1,1208 @@
+"use strict";
+
+/**
+ * Source code:
+ *  abstract class Foo {
+ *      public bar() {
+ *          let aaa = 4,
+ *          boo;
+ *
+ *          if (true) {
+ *          boo = 3;
+ *          }
+ *
+ *      boo = 3 + 2;
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        147
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 12,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSAbstractClassDeclaration",
+            "range": [
+                0,
+                147
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 12,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    15,
+                    18
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 18
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            25,
+                            145
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 11,
+                                "column": 5
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                32,
+                                35
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 11
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 14
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    38,
+                                    145
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 17
+                                    },
+                                    "end": {
+                                        "line": 11,
+                                        "column": 5
+                                    }
+                                },
+                                "body": [
+                                    {
+                                        "type": "VariableDeclaration",
+                                        "range": [
+                                            48,
+                                            73
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 8
+                                            },
+                                            "end": {
+                                                "line": 4,
+                                                "column": 12
+                                            }
+                                        },
+                                        "declarations": [
+                                            {
+                                                "type": "VariableDeclarator",
+                                                "range": [
+                                                    52,
+                                                    59
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 3,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 3,
+                                                        "column": 19
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        52,
+                                                        55
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 3,
+                                                            "column": 12
+                                                        },
+                                                        "end": {
+                                                            "line": 3,
+                                                            "column": 15
+                                                        }
+                                                    },
+                                                    "name": "aaa"
+                                                },
+                                                "init": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        58,
+                                                        59
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 3,
+                                                            "column": 18
+                                                        },
+                                                        "end": {
+                                                            "line": 3,
+                                                            "column": 19
+                                                        }
+                                                    },
+                                                    "value": 4,
+                                                    "raw": "4"
+                                                }
+                                            },
+                                            {
+                                                "type": "VariableDeclarator",
+                                                "range": [
+                                                    69,
+                                                    72
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 8
+                                                    },
+                                                    "end": {
+                                                        "line": 4,
+                                                        "column": 11
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        69,
+                                                        72
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 8
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 11
+                                                        }
+                                                    },
+                                                    "name": "boo"
+                                                },
+                                                "init": null
+                                            }
+                                        ],
+                                        "kind": "let"
+                                    },
+                                    {
+                                        "type": "IfStatement",
+                                        "range": [
+                                            83,
+                                            121
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 6,
+                                                "column": 8
+                                            },
+                                            "end": {
+                                                "line": 8,
+                                                "column": 9
+                                            }
+                                        },
+                                        "test": {
+                                            "type": "Literal",
+                                            "range": [
+                                                87,
+                                                91
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 12
+                                                },
+                                                "end": {
+                                                    "line": 6,
+                                                    "column": 16
+                                                }
+                                            },
+                                            "value": true,
+                                            "raw": "true"
+                                        },
+                                        "consequent": {
+                                            "type": "BlockStatement",
+                                            "range": [
+                                                93,
+                                                121
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 18
+                                                },
+                                                "end": {
+                                                    "line": 8,
+                                                    "column": 9
+                                                }
+                                            },
+                                            "body": [
+                                                {
+                                                    "type": "ExpressionStatement",
+                                                    "range": [
+                                                        103,
+                                                        111
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 7,
+                                                            "column": 8
+                                                        },
+                                                        "end": {
+                                                            "line": 7,
+                                                            "column": 16
+                                                        }
+                                                    },
+                                                    "expression": {
+                                                        "type": "AssignmentExpression",
+                                                        "range": [
+                                                            103,
+                                                            110
+                                                        ],
+                                                        "loc": {
+                                                            "start": {
+                                                                "line": 7,
+                                                                "column": 8
+                                                            },
+                                                            "end": {
+                                                                "line": 7,
+                                                                "column": 15
+                                                            }
+                                                        },
+                                                        "operator": "=",
+                                                        "left": {
+                                                            "type": "Identifier",
+                                                            "range": [
+                                                                103,
+                                                                106
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 7,
+                                                                    "column": 8
+                                                                },
+                                                                "end": {
+                                                                    "line": 7,
+                                                                    "column": 11
+                                                                }
+                                                            },
+                                                            "name": "boo"
+                                                        },
+                                                        "right": {
+                                                            "type": "Literal",
+                                                            "range": [
+                                                                109,
+                                                                110
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 7,
+                                                                    "column": 14
+                                                                },
+                                                                "end": {
+                                                                    "line": 7,
+                                                                    "column": 15
+                                                                }
+                                                            },
+                                                            "value": 3,
+                                                            "raw": "3"
+                                                        }
+                                                    }
+                                                }
+                                            ]
+                                        },
+                                        "alternate": null
+                                    },
+                                    {
+                                        "type": "ExpressionStatement",
+                                        "range": [
+                                            127,
+                                            139
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 10,
+                                                "column": 4
+                                            },
+                                            "end": {
+                                                "line": 10,
+                                                "column": 16
+                                            }
+                                        },
+                                        "expression": {
+                                            "type": "AssignmentExpression",
+                                            "range": [
+                                                127,
+                                                138
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 10,
+                                                    "column": 4
+                                                },
+                                                "end": {
+                                                    "line": 10,
+                                                    "column": 15
+                                                }
+                                            },
+                                            "operator": "=",
+                                            "left": {
+                                                "type": "Identifier",
+                                                "range": [
+                                                    127,
+                                                    130
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 10,
+                                                        "column": 4
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 7
+                                                    }
+                                                },
+                                                "name": "boo"
+                                            },
+                                            "right": {
+                                                "type": "BinaryExpression",
+                                                "range": [
+                                                    133,
+                                                    138
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 10,
+                                                        "column": 10
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 15
+                                                    }
+                                                },
+                                                "operator": "+",
+                                                "left": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        133,
+                                                        134
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 10,
+                                                            "column": 10
+                                                        },
+                                                        "end": {
+                                                            "line": 10,
+                                                            "column": 11
+                                                        }
+                                                    },
+                                                    "value": 3,
+                                                    "raw": "3"
+                                                },
+                                                "right": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        137,
+                                                        138
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 10,
+                                                            "column": 14
+                                                        },
+                                                        "end": {
+                                                            "line": 10,
+                                                            "column": 15
+                                                        }
+                                                    },
+                                                    "value": 2,
+                                                    "raw": "2"
+                                                }
+                                            }
+                                        }
+                                    }
+                                ]
+                            },
+                            "range": [
+                                35,
+                                145
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 14
+                                },
+                                "end": {
+                                    "line": 11,
+                                    "column": 5
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": false,
+                        "kind": "method",
+                        "accessibility": "public",
+                        "decorators": []
+                    }
+                ],
+                "range": [
+                    19,
+                    147
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 19
+                    },
+                    "end": {
+                        "line": 12,
+                        "column": 1
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "start": 0,
+            "end": 8,
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "class",
+            "start": 9,
+            "end": 14,
+            "range": [
+                9,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "start": 15,
+            "end": 18,
+            "range": [
+                15,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 19,
+            "end": 20,
+            "range": [
+                19,
+                20
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 19
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "public",
+            "start": 25,
+            "end": 31,
+            "range": [
+                25,
+                31
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 32,
+            "end": 35,
+            "range": [
+                32,
+                35
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 11
+                },
+                "end": {
+                    "line": 2,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 35,
+            "end": 36,
+            "range": [
+                35,
+                36
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 14
+                },
+                "end": {
+                    "line": 2,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 36,
+            "end": 37,
+            "range": [
+                36,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 15
+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 38,
+            "end": 39,
+            "range": [
+                38,
+                39
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 17
+                },
+                "end": {
+                    "line": 2,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "let",
+            "start": 48,
+            "end": 51,
+            "range": [
+                48,
+                51
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 8
+                },
+                "end": {
+                    "line": 3,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "aaa",
+            "start": 52,
+            "end": 55,
+            "range": [
+                52,
+                55
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 12
+                },
+                "end": {
+                    "line": 3,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 56,
+            "end": 57,
+            "range": [
+                56,
+                57
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 16
+                },
+                "end": {
+                    "line": 3,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "4",
+            "start": 58,
+            "end": 59,
+            "range": [
+                58,
+                59
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 18
+                },
+                "end": {
+                    "line": 3,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "start": 59,
+            "end": 60,
+            "range": [
+                59,
+                60
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 19
+                },
+                "end": {
+                    "line": 3,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "boo",
+            "start": 69,
+            "end": 72,
+            "range": [
+                69,
+                72
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 8
+                },
+                "end": {
+                    "line": 4,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 72,
+            "end": 73,
+            "range": [
+                72,
+                73
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 11
+                },
+                "end": {
+                    "line": 4,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "if",
+            "start": 83,
+            "end": 85,
+            "range": [
+                83,
+                85
+            ],
+            "loc": {
+                "start": {
+                    "line": 6,
+                    "column": 8
+                },
+                "end": {
+                    "line": 6,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 86,
+            "end": 87,
+            "range": [
+                86,
+                87
+            ],
+            "loc": {
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+                    "line": 6,
+                    "column": 11
+                },
+                "end": {
+                    "line": 6,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Boolean",
+            "value": "true",
+            "start": 87,
+            "end": 91,
+            "range": [
+                87,
+                91
+            ],
+            "loc": {
+                "start": {
+                    "line": 6,
+                    "column": 12
+                },
+                "end": {
+                    "line": 6,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 91,
+            "end": 92,
+            "range": [
+                91,
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+            ],
+            "loc": {
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+                },
+                "end": {
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+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 93,
+            "end": 94,
+            "range": [
+                93,
+                94
+            ],
+            "loc": {
+                "start": {
+                    "line": 6,
+                    "column": 18
+                },
+                "end": {
+                    "line": 6,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "boo",
+            "start": 103,
+            "end": 106,
+            "range": [
+                103,
+                106
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 8
+                },
+                "end": {
+                    "line": 7,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 107,
+            "end": 108,
+            "range": [
+                107,
+                108
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 12
+                },
+                "end": {
+                    "line": 7,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "3",
+            "start": 109,
+            "end": 110,
+            "range": [
+                109,
+                110
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 14
+                },
+                "end": {
+                    "line": 7,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 110,
+            "end": 111,
+            "range": [
+                110,
+                111
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 15
+                },
+                "end": {
+                    "line": 7,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 120,
+            "end": 121,
+            "range": [
+                120,
+                121
+            ],
+            "loc": {
+                "start": {
+                    "line": 8,
+                    "column": 8
+                },
+                "end": {
+                    "line": 8,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "boo",
+            "start": 127,
+            "end": 130,
+            "range": [
+                127,
+                130
+            ],
+            "loc": {
+                "start": {
+                    "line": 10,
+                    "column": 4
+                },
+                "end": {
+                    "line": 10,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 131,
+            "end": 132,
+            "range": [
+                131,
+                132
+            ],
+            "loc": {
+                "start": {
+                    "line": 10,
+                    "column": 8
+                },
+                "end": {
+                    "line": 10,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "3",
+            "start": 133,
+            "end": 134,
+            "range": [
+                133,
+                134
+            ],
+            "loc": {
+                "start": {
+                    "line": 10,
+                    "column": 10
+                },
+                "end": {
+                    "line": 10,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "+",
+            "start": 135,
+            "end": 136,
+            "range": [
+                135,
+                136
+            ],
+            "loc": {
+                "start": {
+                    "line": 10,
+                    "column": 12
+                },
+                "end": {
+                    "line": 10,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "2",
+            "start": 137,
+            "end": 138,
+            "range": [
+                137,
+                138
+            ],
+            "loc": {
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+                    "line": 10,
+                    "column": 14
+                },
+                "end": {
+                    "line": 10,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 138,
+            "end": 139,
+            "range": [
+                138,
+                139
+            ],
+            "loc": {
+                "start": {
+                    "line": 10,
+                    "column": 15
+                },
+                "end": {
+                    "line": 10,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 144,
+            "end": 145,
+            "range": [
+                144,
+                145
+            ],
+            "loc": {
+                "start": {
+                    "line": 11,
+                    "column": 4
+                },
+                "end": {
+                    "line": 11,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 146,
+            "end": 147,
+            "range": [
+                146,
+                147
+            ],
+            "loc": {
+                "start": {
+                    "line": 12,
+                    "column": 0
+                },
+                "end": {
+                    "line": 12,
+                    "column": 1
+                }
+            }
+        }
+    ],
+    "comments": []
+});
+
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-valid.js b/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-valid.js
new file mode 100644
index 0000000..e52f150
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/abstract-class-valid.js
@@ -0,0 +1,1207 @@
+"use strict";
+
+/**
+ * Source code:
+ *  abstract class Foo {
+ *      public bar() {
+ *          let aaa = 4,
+ *              boo;
+ *
+ *          if (true) {
+ *              boo = 3;
+ *          }
+ *
+ *          boo = 3 + 2;
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        159
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 12,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSAbstractClassDeclaration",
+            "range": [
+                0,
+                159
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 12,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    15,
+                    18
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 18
+                    }
+                },
+                "name": "Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [
+                    {
+                        "type": "MethodDefinition",
+                        "range": [
+                            25,
+                            157
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 11,
+                                "column": 5
+                            }
+                        },
+                        "key": {
+                            "type": "Identifier",
+                            "range": [
+                                32,
+                                35
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 11
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 14
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "value": {
+                            "type": "FunctionExpression",
+                            "id": null,
+                            "generator": false,
+                            "expression": false,
+                            "async": false,
+                            "body": {
+                                "type": "BlockStatement",
+                                "range": [
+                                    38,
+                                    157
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 17
+                                    },
+                                    "end": {
+                                        "line": 11,
+                                        "column": 5
+                                    }
+                                },
+                                "body": [
+                                    {
+                                        "type": "VariableDeclaration",
+                                        "range": [
+                                            48,
+                                            77
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 8
+                                            },
+                                            "end": {
+                                                "line": 4,
+                                                "column": 16
+                                            }
+                                        },
+                                        "declarations": [
+                                            {
+                                                "type": "VariableDeclarator",
+                                                "range": [
+                                                    52,
+                                                    59
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 3,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 3,
+                                                        "column": 19
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        52,
+                                                        55
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 3,
+                                                            "column": 12
+                                                        },
+                                                        "end": {
+                                                            "line": 3,
+                                                            "column": 15
+                                                        }
+                                                    },
+                                                    "name": "aaa"
+                                                },
+                                                "init": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        58,
+                                                        59
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 3,
+                                                            "column": 18
+                                                        },
+                                                        "end": {
+                                                            "line": 3,
+                                                            "column": 19
+                                                        }
+                                                    },
+                                                    "value": 4,
+                                                    "raw": "4"
+                                                }
+                                            },
+                                            {
+                                                "type": "VariableDeclarator",
+                                                "range": [
+                                                    73,
+                                                    76
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 4,
+                                                        "column": 15
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        73,
+                                                        76
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 12
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 15
+                                                        }
+                                                    },
+                                                    "name": "boo"
+                                                },
+                                                "init": null
+                                            }
+                                        ],
+                                        "kind": "let"
+                                    },
+                                    {
+                                        "type": "IfStatement",
+                                        "range": [
+                                            87,
+                                            129
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 6,
+                                                "column": 8
+                                            },
+                                            "end": {
+                                                "line": 8,
+                                                "column": 9
+                                            }
+                                        },
+                                        "test": {
+                                            "type": "Literal",
+                                            "range": [
+                                                91,
+                                                95
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 12
+                                                },
+                                                "end": {
+                                                    "line": 6,
+                                                    "column": 16
+                                                }
+                                            },
+                                            "value": true,
+                                            "raw": "true"
+                                        },
+                                        "consequent": {
+                                            "type": "BlockStatement",
+                                            "range": [
+                                                97,
+                                                129
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 18
+                                                },
+                                                "end": {
+                                                    "line": 8,
+                                                    "column": 9
+                                                }
+                                            },
+                                            "body": [
+                                                {
+                                                    "type": "ExpressionStatement",
+                                                    "range": [
+                                                        111,
+                                                        119
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 7,
+                                                            "column": 12
+                                                        },
+                                                        "end": {
+                                                            "line": 7,
+                                                            "column": 20
+                                                        }
+                                                    },
+                                                    "expression": {
+                                                        "type": "AssignmentExpression",
+                                                        "range": [
+                                                            111,
+                                                            118
+                                                        ],
+                                                        "loc": {
+                                                            "start": {
+                                                                "line": 7,
+                                                                "column": 12
+                                                            },
+                                                            "end": {
+                                                                "line": 7,
+                                                                "column": 19
+                                                            }
+                                                        },
+                                                        "operator": "=",
+                                                        "left": {
+                                                            "type": "Identifier",
+                                                            "range": [
+                                                                111,
+                                                                114
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 7,
+                                                                    "column": 12
+                                                                },
+                                                                "end": {
+                                                                    "line": 7,
+                                                                    "column": 15
+                                                                }
+                                                            },
+                                                            "name": "boo"
+                                                        },
+                                                        "right": {
+                                                            "type": "Literal",
+                                                            "range": [
+                                                                117,
+                                                                118
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 7,
+                                                                    "column": 18
+                                                                },
+                                                                "end": {
+                                                                    "line": 7,
+                                                                    "column": 19
+                                                                }
+                                                            },
+                                                            "value": 3,
+                                                            "raw": "3"
+                                                        }
+                                                    }
+                                                }
+                                            ]
+                                        },
+                                        "alternate": null
+                                    },
+                                    {
+                                        "type": "ExpressionStatement",
+                                        "range": [
+                                            139,
+                                            151
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 10,
+                                                "column": 8
+                                            },
+                                            "end": {
+                                                "line": 10,
+                                                "column": 20
+                                            }
+                                        },
+                                        "expression": {
+                                            "type": "AssignmentExpression",
+                                            "range": [
+                                                139,
+                                                150
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 10,
+                                                    "column": 8
+                                                },
+                                                "end": {
+                                                    "line": 10,
+                                                    "column": 19
+                                                }
+                                            },
+                                            "operator": "=",
+                                            "left": {
+                                                "type": "Identifier",
+                                                "range": [
+                                                    139,
+                                                    142
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 10,
+                                                        "column": 8
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 11
+                                                    }
+                                                },
+                                                "name": "boo"
+                                            },
+                                            "right": {
+                                                "type": "BinaryExpression",
+                                                "range": [
+                                                    145,
+                                                    150
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 10,
+                                                        "column": 14
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 19
+                                                    }
+                                                },
+                                                "operator": "+",
+                                                "left": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        145,
+                                                        146
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 10,
+                                                            "column": 14
+                                                        },
+                                                        "end": {
+                                                            "line": 10,
+                                                            "column": 15
+                                                        }
+                                                    },
+                                                    "value": 3,
+                                                    "raw": "3"
+                                                },
+                                                "right": {
+                                                    "type": "Literal",
+                                                    "range": [
+                                                        149,
+                                                        150
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 10,
+                                                            "column": 18
+                                                        },
+                                                        "end": {
+                                                            "line": 10,
+                                                            "column": 19
+                                                        }
+                                                    },
+                                                    "value": 2,
+                                                    "raw": "2"
+                                                }
+                                            }
+                                        }
+                                    }
+                                ]
+                            },
+                            "range": [
+                                35,
+                                157
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 14
+                                },
+                                "end": {
+                                    "line": 11,
+                                    "column": 5
+                                }
+                            },
+                            "params": []
+                        },
+                        "computed": false,
+                        "static": false,
+                        "kind": "method",
+                        "accessibility": "public",
+                        "decorators": []
+                    }
+                ],
+                "range": [
+                    19,
+                    159
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 19
+                    },
+                    "end": {
+                        "line": 12,
+                        "column": 1
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "start": 0,
+            "end": 8,
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "class",
+            "start": 9,
+            "end": 14,
+            "range": [
+                9,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "start": 15,
+            "end": 18,
+            "range": [
+                15,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 19,
+            "end": 20,
+            "range": [
+                19,
+                20
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 19
+                },
+                "end": {
+                    "line": 1,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "public",
+            "start": 25,
+            "end": 31,
+            "range": [
+                25,
+                31
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 32,
+            "end": 35,
+            "range": [
+                32,
+                35
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 11
+                },
+                "end": {
+                    "line": 2,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 35,
+            "end": 36,
+            "range": [
+                35,
+                36
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 14
+                },
+                "end": {
+                    "line": 2,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 36,
+            "end": 37,
+            "range": [
+                36,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 15
+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 38,
+            "end": 39,
+            "range": [
+                38,
+                39
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 17
+                },
+                "end": {
+                    "line": 2,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "let",
+            "start": 48,
+            "end": 51,
+            "range": [
+                48,
+                51
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 8
+                },
+                "end": {
+                    "line": 3,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "aaa",
+            "start": 52,
+            "end": 55,
+            "range": [
+                52,
+                55
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 12
+                },
+                "end": {
+                    "line": 3,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 56,
+            "end": 57,
+            "range": [
+                56,
+                57
+            ],
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+                    "column": 16
+                },
+                "end": {
+                    "line": 3,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "4",
+            "start": 58,
+            "end": 59,
+            "range": [
+                58,
+                59
+            ],
+            "loc": {
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+                "end": {
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+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ",",
+            "start": 59,
+            "end": 60,
+            "range": [
+                59,
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+            "loc": {
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+                    "column": 19
+                },
+                "end": {
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+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "boo",
+            "start": 73,
+            "end": 76,
+            "range": [
+                73,
+                76
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 12
+                },
+                "end": {
+                    "line": 4,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 76,
+            "end": 77,
+            "range": [
+                76,
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+            "loc": {
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+                    "line": 4,
+                    "column": 15
+                },
+                "end": {
+                    "line": 4,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "if",
+            "start": 87,
+            "end": 89,
+            "range": [
+                87,
+                89
+            ],
+            "loc": {
+                "start": {
+                    "line": 6,
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+                "end": {
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+            }
+        },
+        {
+            "type": "Punctuator",
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+            "end": 91,
+            "range": [
+                90,
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+            }
+        },
+        {
+            "type": "Boolean",
+            "value": "true",
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+            "end": 95,
+            "range": [
+                91,
+                95
+            ],
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+            }
+        },
+        {
+            "type": "Punctuator",
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+            }
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+        {
+            "type": "Punctuator",
+            "value": "{",
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+            "end": 98,
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+                97,
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+            ],
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+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "boo",
+            "start": 111,
+            "end": 114,
+            "range": [
+                111,
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+            }
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+        {
+            "type": "Punctuator",
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+                139,
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+            }
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+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+            "end": 157,
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+                    "column": 4
+                },
+                "end": {
+                    "line": 11,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+            "end": 159,
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+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-invalid.js b/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-invalid.js
new file mode 100644
index 0000000..fe3532c
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-invalid.js
@@ -0,0 +1,1064 @@
+"use strict";
+
+/**
+ * Source code:
+ *  function foo() {
+ *      function bar() {
+ *          abstract class X {
+ *          public baz() {
+ *          if (true) {
+ *          qux();
+ *          }
+ *          }
+ *          }
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        160
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 11,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                160
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 11,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    9,
+                    12
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    15,
+                    160
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 11,
+                        "column": 1
+                    }
+                },
+                "body": [
+                    {
+                        "type": "FunctionDeclaration",
+                        "range": [
+                            21,
+                            158
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 10,
+                                "column": 5
+                            }
+                        },
+                        "id": {
+                            "type": "Identifier",
+                            "range": [
+                                30,
+                                33
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 16
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "generator": false,
+                        "expression": false,
+                        "async": false,
+                        "params": [],
+                        "body": {
+                            "type": "BlockStatement",
+                            "range": [
+                                36,
+                                158
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 10,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "TSAbstractClassDeclaration",
+                                    "range": [
+                                        46,
+                                        152
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 9,
+                                            "column": 9
+                                        }
+                                    },
+                                    "id": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            61,
+                                            62
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 23
+                                            },
+                                            "end": {
+                                                "line": 3,
+                                                "column": 24
+                                            }
+                                        },
+                                        "name": "X"
+                                    },
+                                    "body": {
+                                        "type": "ClassBody",
+                                        "body": [
+                                            {
+                                                "type": "MethodDefinition",
+                                                "range": [
+                                                    73,
+                                                    142
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 8
+                                                    },
+                                                    "end": {
+                                                        "line": 8,
+                                                        "column": 9
+                                                    }
+                                                },
+                                                "key": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        80,
+                                                        83
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 15
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 18
+                                                        }
+                                                    },
+                                                    "name": "baz"
+                                                },
+                                                "value": {
+                                                    "type": "FunctionExpression",
+                                                    "id": null,
+                                                    "generator": false,
+                                                    "expression": false,
+                                                    "async": false,
+                                                    "body": {
+                                                        "type": "BlockStatement",
+                                                        "range": [
+                                                            86,
+                                                            142
+                                                        ],
+                                                        "loc": {
+                                                            "start": {
+                                                                "line": 4,
+                                                                "column": 21
+                                                            },
+                                                            "end": {
+                                                                "line": 8,
+                                                                "column": 9
+                                                            }
+                                                        },
+                                                        "body": [
+                                                            {
+                                                                "type": "IfStatement",
+                                                                "range": [
+                                                                    96,
+                                                                    132
+                                                                ],
+                                                                "loc": {
+                                                                    "start": {
+                                                                        "line": 5,
+                                                                        "column": 8
+                                                                    },
+                                                                    "end": {
+                                                                        "line": 7,
+                                                                        "column": 9
+                                                                    }
+                                                                },
+                                                                "test": {
+                                                                    "type": "Literal",
+                                                                    "range": [
+                                                                        100,
+                                                                        104
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 12
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 5,
+                                                                            "column": 16
+                                                                        }
+                                                                    },
+                                                                    "value": true,
+                                                                    "raw": "true"
+                                                                },
+                                                                "consequent": {
+                                                                    "type": "BlockStatement",
+                                                                    "range": [
+                                                                        106,
+                                                                        132
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 18
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 7,
+                                                                            "column": 9
+                                                                        }
+                                                                    },
+                                                                    "body": [
+                                                                        {
+                                                                            "type": "ExpressionStatement",
+                                                                            "range": [
+                                                                                116,
+                                                                                122
+                                                                            ],
+                                                                            "loc": {
+                                                                                "start": {
+                                                                                    "line": 6,
+                                                                                    "column": 8
+                                                                                },
+                                                                                "end": {
+                                                                                    "line": 6,
+                                                                                    "column": 14
+                                                                                }
+                                                                            },
+                                                                            "expression": {
+                                                                                "type": "CallExpression",
+                                                                                "range": [
+                                                                                    116,
+                                                                                    121
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 8
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 6,
+                                                                                        "column": 13
+                                                                                    }
+                                                                                },
+                                                                                "callee": {
+                                                                                    "type": "Identifier",
+                                                                                    "range": [
+                                                                                        116,
+                                                                                        119
+                                                                                    ],
+                                                                                    "loc": {
+                                                                                        "start": {
+                                                                                            "line": 6,
+                                                                                            "column": 8
+                                                                                        },
+                                                                                        "end": {
+                                                                                            "line": 6,
+                                                                                            "column": 11
+                                                                                        }
+                                                                                    },
+                                                                                    "name": "qux"
+                                                                                },
+                                                                                "arguments": []
+                                                                            }
+                                                                        }
+                                                                    ]
+                                                                },
+                                                                "alternate": null
+                                                            }
+                                                        ]
+                                                    },
+                                                    "range": [
+                                                        83,
+                                                        142
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 18
+                                                        },
+                                                        "end": {
+                                                            "line": 8,
+                                                            "column": 9
+                                                        }
+                                                    },
+                                                    "params": []
+                                                },
+                                                "computed": false,
+                                                "static": false,
+                                                "kind": "method",
+                                                "accessibility": "public",
+                                                "decorators": []
+                                            }
+                                        ],
+                                        "range": [
+                                            63,
+                                            152
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 25
+                                            },
+                                            "end": {
+                                                "line": 9,
+                                                "column": 9
+                                            }
+                                        }
+                                    },
+                                    "superClass": null,
+                                    "implements": [],
+                                    "decorators": []
+                                }
+                            ]
+                        }
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 0,
+            "end": 8,
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "range": [
+                9,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 12,
+            "end": 13,
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 13,
+            "end": 14,
+            "range": [
+                13,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 15,
+            "end": 16,
+            "range": [
+                15,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 21,
+            "end": 29,
+            "range": [
+                21,
+                29
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 30,
+            "end": 33,
+            "range": [
+                30,
+                33
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 13
+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 33,
+            "end": 34,
+            "range": [
+                33,
+                34
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 16
+                },
+                "end": {
+                    "line": 2,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 34,
+            "end": 35,
+            "range": [
+                34,
+                35
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 17
+                },
+                "end": {
+                    "line": 2,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 36,
+            "end": 37,
+            "range": [
+                36,
+                37
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 19
+                },
+                "end": {
+                    "line": 2,
+                    "column": 20
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "abstract",
+            "start": 46,
+            "end": 54,
+            "range": [
+                46,
+                54
+            ],
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+        },
+        {
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+        },
+        {
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+            "range": [
+                61,
+                62
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+            "loc": {
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+                    "line": 3,
+                    "column": 24
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 63,
+            "end": 64,
+            "range": [
+                63,
+                64
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+                    "line": 3,
+                    "column": 25
+                },
+                "end": {
+                    "line": 3,
+                    "column": 26
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "public",
+            "start": 73,
+            "end": 79,
+            "range": [
+                73,
+                79
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 8
+                },
+                "end": {
+                    "line": 4,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "start": 80,
+            "end": 83,
+            "range": [
+                80,
+                83
+            ],
+            "loc": {
+                "start": {
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+                    "column": 15
+                },
+                "end": {
+                    "line": 4,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 83,
+            "end": 84,
+            "range": [
+                83,
+                84
+            ],
+            "loc": {
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+                    "line": 4,
+                    "column": 18
+                },
+                "end": {
+                    "line": 4,
+                    "column": 19
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 84,
+            "end": 85,
+            "range": [
+                84,
+                85
+            ],
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+                },
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+                }
+            }
+        },
+        {
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+            "end": 87,
+            "range": [
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+            }
+        },
+        {
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+            "end": 98,
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+                96,
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+            ],
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 99,
+            "end": 100,
+            "range": [
+                99,
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+                },
+                "end": {
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+                }
+            }
+        },
+        {
+            "type": "Boolean",
+            "value": "true",
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+            "end": 104,
+            "range": [
+                100,
+                104
+            ],
+            "loc": {
+                "start": {
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+                    "column": 12
+                },
+                "end": {
+                    "line": 5,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
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+            "end": 105,
+            "range": [
+                104,
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
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+                    "line": 5,
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+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "qux",
+            "start": 116,
+            "end": 119,
+            "range": [
+                116,
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+            ],
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+                }
+            }
+        },
+        {
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+            "value": "(",
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+            "end": 120,
+            "range": [
+                119,
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
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+            "end": 121,
+            "range": [
+                120,
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+            ],
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+                    "column": 12
+                },
+                "end": {
+                    "line": 6,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
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+            "end": 122,
+            "range": [
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+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+            "end": 132,
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+                }
+            }
+        },
+        {
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+            }
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+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+                    "column": 4
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+                "end": {
+                    "line": 10,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 159,
+            "end": 160,
+            "range": [
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+                    "line": 11,
+                    "column": 0
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+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-valid.js b/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-valid.js
new file mode 100644
index 0000000..5117cf6
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/functions-with-abstract-class-valid.js
@@ -0,0 +1,1064 @@
+"use strict";
+
+/**
+ * Source code:
+ *  function foo() {
+ *      function bar() {
+ *          abstract class X {
+ *              public baz() {
+ *                  if (true) {
+ *                      qux();
+ *                  }
+ *              }
+ *          }
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        196
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 11,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                0,
+                196
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 11,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    9,
+                    12
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 12
+                    }
+                },
+                "name": "foo"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    15,
+                    196
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 15
+                    },
+                    "end": {
+                        "line": 11,
+                        "column": 1
+                    }
+                },
+                "body": [
+                    {
+                        "type": "FunctionDeclaration",
+                        "range": [
+                            21,
+                            194
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 10,
+                                "column": 5
+                            }
+                        },
+                        "id": {
+                            "type": "Identifier",
+                            "range": [
+                                30,
+                                33
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 16
+                                }
+                            },
+                            "name": "bar"
+                        },
+                        "generator": false,
+                        "expression": false,
+                        "async": false,
+                        "params": [],
+                        "body": {
+                            "type": "BlockStatement",
+                            "range": [
+                                36,
+                                194
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 10,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "TSAbstractClassDeclaration",
+                                    "range": [
+                                        46,
+                                        188
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 9,
+                                            "column": 9
+                                        }
+                                    },
+                                    "id": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            61,
+                                            62
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 23
+                                            },
+                                            "end": {
+                                                "line": 3,
+                                                "column": 24
+                                            }
+                                        },
+                                        "name": "X"
+                                    },
+                                    "body": {
+                                        "type": "ClassBody",
+                                        "body": [
+                                            {
+                                                "type": "MethodDefinition",
+                                                "range": [
+                                                    77,
+                                                    178
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 8,
+                                                        "column": 13
+                                                    }
+                                                },
+                                                "key": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        84,
+                                                        87
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 19
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 22
+                                                        }
+                                                    },
+                                                    "name": "baz"
+                                                },
+                                                "value": {
+                                                    "type": "FunctionExpression",
+                                                    "id": null,
+                                                    "generator": false,
+                                                    "expression": false,
+                                                    "async": false,
+                                                    "body": {
+                                                        "type": "BlockStatement",
+                                                        "range": [
+                                                            90,
+                                                            178
+                                                        ],
+                                                        "loc": {
+                                                            "start": {
+                                                                "line": 4,
+                                                                "column": 25
+                                                            },
+                                                            "end": {
+                                                                "line": 8,
+                                                                "column": 13
+                                                            }
+                                                        },
+                                                        "body": [
+                                                            {
+                                                                "type": "IfStatement",
+                                                                "range": [
+                                                                    108,
+                                                                    164
+                                                                ],
+                                                                "loc": {
+                                                                    "start": {
+                                                                        "line": 5,
+                                                                        "column": 16
+                                                                    },
+                                                                    "end": {
+                                                                        "line": 7,
+                                                                        "column": 17
+                                                                    }
+                                                                },
+                                                                "test": {
+                                                                    "type": "Literal",
+                                                                    "range": [
+                                                                        112,
+                                                                        116
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 20
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 5,
+                                                                            "column": 24
+                                                                        }
+                                                                    },
+                                                                    "value": true,
+                                                                    "raw": "true"
+                                                                },
+                                                                "consequent": {
+                                                                    "type": "BlockStatement",
+                                                                    "range": [
+                                                                        118,
+                                                                        164
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 26
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 7,
+                                                                            "column": 17
+                                                                        }
+                                                                    },
+                                                                    "body": [
+                                                                        {
+                                                                            "type": "ExpressionStatement",
+                                                                            "range": [
+                                                                                140,
+                                                                                146
+                                                                            ],
+                                                                            "loc": {
+                                                                                "start": {
+                                                                                    "line": 6,
+                                                                                    "column": 20
+                                                                                },
+                                                                                "end": {
+                                                                                    "line": 6,
+                                                                                    "column": 26
+                                                                                }
+                                                                            },
+                                                                            "expression": {
+                                                                                "type": "CallExpression",
+                                                                                "range": [
+                                                                                    140,
+                                                                                    145
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 20
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 6,
+                                                                                        "column": 25
+                                                                                    }
+                                                                                },
+                                                                                "callee": {
+                                                                                    "type": "Identifier",
+                                                                                    "range": [
+                                                                                        140,
+                                                                                        143
+                                                                                    ],
+                                                                                    "loc": {
+                                                                                        "start": {
+                                                                                            "line": 6,
+                                                                                            "column": 20
+                                                                                        },
+                                                                                        "end": {
+                                                                                            "line": 6,
+                                                                                            "column": 23
+                                                                                        }
+                                                                                    },
+                                                                                    "name": "qux"
+                                                                                },
+                                                                                "arguments": []
+                                                                            }
+                                                                        }
+                                                                    ]
+                                                                },
+                                                                "alternate": null
+                                                            }
+                                                        ]
+                                                    },
+                                                    "range": [
+                                                        87,
+                                                        178
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 22
+                                                        },
+                                                        "end": {
+                                                            "line": 8,
+                                                            "column": 13
+                                                        }
+                                                    },
+                                                    "params": []
+                                                },
+                                                "computed": false,
+                                                "static": false,
+                                                "kind": "method",
+                                                "accessibility": "public",
+                                                "decorators": []
+                                            }
+                                        ],
+                                        "range": [
+                                            63,
+                                            188
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 25
+                                            },
+                                            "end": {
+                                                "line": 9,
+                                                "column": 9
+                                            }
+                                        }
+                                    },
+                                    "superClass": null,
+                                    "implements": [],
+                                    "decorators": []
+                                }
+                            ]
+                        }
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 0,
+            "end": 8,
+            "range": [
+                0,
+                8
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "foo",
+            "start": 9,
+            "end": 12,
+            "range": [
+                9,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 9
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 12,
+            "end": 13,
+            "range": [
+                12,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 12
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "start": 13,
+            "end": 14,
+            "range": [
+                13,
+                14
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 15,
+            "end": 16,
+            "range": [
+                15,
+                16
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 15
+                },
+                "end": {
+                    "line": 1,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "function",
+            "start": 21,
+            "end": 29,
+            "range": [
+                21,
+                29
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 30,
+            "end": 33,
+            "range": [
+                30,
+                33
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 13
+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 33,
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diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/interface.js b/eslint/tests/fixtures/parsers/unknown-nodes/interface.js
new file mode 100644
index 0000000..1211182
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/interface.js
@@ -0,0 +1,446 @@
+"use strict";
+
+/**
+ * Source code:
+ * interface Foo { bar: string; baz: number; }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        51
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 4,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSInterfaceDeclaration",
+            "range": [
+                0,
+                51
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 4,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    13
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 13
+                    }
+                },
+                "name": "Foo"
+            },
+            "members": [
+                {
+                    "type": "TSPropertySignature",
+                    "range": [
+                        20,
+                        32
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 2,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 2,
+                            "column": 16
+                        }
+                    },
+                    "name": {
+                        "type": "Identifier",
+                        "range": [
+                            20,
+                            23
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 2,
+                                "column": 7
+                            }
+                        },
+                        "name": "bar"
+                    },
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 9
+                            },
+                            "end": {
+                                "line": 2,
+                                "column": 15
+                            }
+                        },
+                        "range": [
+                            25,
+                            31
+                        ],
+                        "typeAnnotation": {
+                            "type": "TSStringKeyword",
+                            "range": [
+                                25,
+                                31
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 9
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 15
+                                }
+                            }
+                        }
+                    }
+                },
+                {
+                    "type": "TSPropertySignature",
+                    "range": [
+                        37,
+                        49
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 3,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 3,
+                            "column": 16
+                        }
+                    },
+                    "name": {
+                        "type": "Identifier",
+                        "range": [
+                            37,
+                            40
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 3,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 7
+                            }
+                        },
+                        "name": "baz"
+                    },
+                    "typeAnnotation": {
+                        "type": "TypeAnnotation",
+                        "loc": {
+                            "start": {
+                                "line": 3,
+                                "column": 9
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 15
+                            }
+                        },
+                        "range": [
+                            42,
+                            48
+                        ],
+                        "typeAnnotation": {
+                            "type": "TSNumberKeyword",
+                            "range": [
+                                42,
+                                48
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 3,
+                                    "column": 9
+                                },
+                                "end": {
+                                    "line": 3,
+                                    "column": 15
+                                }
+                            }
+                        }
+                    }
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "interface",
+            "start": 0,
+            "end": 9,
+            "range": [
+                0,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Foo",
+            "start": 10,
+            "end": 13,
+            "range": [
+                10,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 14,
+            "end": 15,
+            "range": [
+                14,
+                15
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 14
+                },
+                "end": {
+                    "line": 1,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 20,
+            "end": 23,
+            "range": [
+                20,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 7
+                }
+            }
+        },
+        {
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+                }
+            }
+        },
+        {
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+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 9
+                },
+                "end": {
+                    "line": 2,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 31,
+            "end": 32,
+            "range": [
+                31,
+                32
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
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+                },
+                "end": {
+                    "line": 2,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "baz",
+            "start": 37,
+            "end": 40,
+            "range": [
+                37,
+                40
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 4
+                },
+                "end": {
+                    "line": 3,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ":",
+            "start": 40,
+            "end": 41,
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+                40,
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+                },
+                "end": {
+                    "line": 3,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "number",
+            "start": 42,
+            "end": 48,
+            "range": [
+                42,
+                48
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 9
+                },
+                "end": {
+                    "line": 3,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 48,
+            "end": 49,
+            "range": [
+                48,
+                49
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 15
+                },
+                "end": {
+                    "line": 3,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "start": 50,
+            "end": 51,
+            "range": [
+                50,
+                51
+            ],
+            "loc": {
+                "start": {
+                    "line": 4,
+                    "column": 0
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+        }
+    ],
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+});
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/namespace-invalid.js b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-invalid.js
new file mode 100644
index 0000000..4f71021
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-invalid.js
@@ -0,0 +1,830 @@
+"use strict";
+
+/**
+ * Source code:
+ *  namespace Boo {
+ *      const bar = 3,
+ *      baz = 2;
+ *
+ *      if (true) {
+ *      const bax = 3;
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        91
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 8,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSModuleDeclaration",
+            "range": [
+                0,
+                91
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 8,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    13
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 13
+                    }
+                },
+                "name": "Boo"
+            },
+            "body": {
+                "type": "TSModuleBlock",
+                "range": [
+                    14,
+                    91
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 14
+                    },
+                    "end": {
+                        "line": 8,
+                        "column": 1
+                    }
+                },
+                "statements": [
+                    {
+                        "type": "VariableDeclaration",
+                        "range": [
+                            20,
+                            47
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 12
+                            }
+                        },
+                        "declarations": [
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    26,
+                                    33
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 10
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 17
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        26,
+                                        29
+                                    ],
+                                    "loc": {
+                                        "start": {
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+                                            "column": 10
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 13
+                                        }
+                                    },
+                                    "name": "bar"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        32,
+                                        33
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 16
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 17
+                                        }
+                                    },
+                                    "value": 3,
+                                    "raw": "3"
+                                }
+                            },
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    39,
+                                    46
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 4
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 11
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        39,
+                                        42
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 4
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 7
+                                        }
+                                    },
+                                    "name": "baz"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        45,
+                                        46
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 10
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 11
+                                        }
+                                    },
+                                    "value": 2,
+                                    "raw": "2"
+                                }
+                            }
+                        ],
+                        "kind": "const"
+                    },
+                    {
+                        "type": "IfStatement",
+                        "range": [
+                            53,
+                            89
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 5,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 7,
+                                "column": 5
+                            }
+                        },
+                        "test": {
+                            "type": "Literal",
+                            "range": [
+                                57,
+                                61
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 5,
+                                    "column": 8
+                                },
+                                "end": {
+                                    "line": 5,
+                                    "column": 12
+                                }
+                            },
+                            "value": true,
+                            "raw": "true"
+                        },
+                        "consequent": {
+                            "type": "BlockStatement",
+                            "range": [
+                                63,
+                                89
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 5,
+                                    "column": 14
+                                },
+                                "end": {
+                                    "line": 7,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "VariableDeclaration",
+                                    "range": [
+                                        69,
+                                        83
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 6,
+                                            "column": 4
+                                        },
+                                        "end": {
+                                            "line": 6,
+                                            "column": 18
+                                        }
+                                    },
+                                    "declarations": [
+                                        {
+                                            "type": "VariableDeclarator",
+                                            "range": [
+                                                75,
+                                                82
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 10
+                                                },
+                                                "end": {
+                                                    "line": 6,
+                                                    "column": 17
+                                                }
+                                            },
+                                            "id": {
+                                                "type": "Identifier",
+                                                "range": [
+                                                    75,
+                                                    78
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 6,
+                                                        "column": 10
+                                                    },
+                                                    "end": {
+                                                        "line": 6,
+                                                        "column": 13
+                                                    }
+                                                },
+                                                "name": "bax"
+                                            },
+                                            "init": {
+                                                "type": "Literal",
+                                                "range": [
+                                                    81,
+                                                    82
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 6,
+                                                        "column": 16
+                                                    },
+                                                    "end": {
+                                                        "line": 6,
+                                                        "column": 17
+                                                    }
+                                                },
+                                                "value": 3,
+                                                "raw": "3"
+                                            }
+                                        }
+                                    ],
+                                    "kind": "const"
+                                }
+                            ]
+                        },
+                        "alternate": null
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "namespace",
+            "start": 0,
+            "end": 9,
+            "range": [
+                0,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Boo",
+            "start": 10,
+            "end": 13,
+            "range": [
+                10,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
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+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 14,
+            "end": 15,
+            "range": [
+                14,
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+            ],
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+                },
+                "end": {
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+                }
+            }
+        },
+        {
+            "type": "Keyword",
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+            "end": 25,
+            "range": [
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+            ],
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+                },
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+                }
+            }
+        },
+        {
+            "type": "Identifier",
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+        {
+            "type": "Punctuator",
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+            }
+        },
+        {
+            "type": "Numeric",
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+                }
+            }
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+            ],
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+            }
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+            }
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diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/namespace-valid.js b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-valid.js
new file mode 100644
index 0000000..2491bfb
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-valid.js
@@ -0,0 +1,830 @@
+"use strict";
+
+/**
+ * Source code:
+ *  namespace Boo {
+ *      const bar = 3,
+ *          baz = 2;
+ *
+ *      if (true) {
+ *          const bax = 3;
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        99
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 8,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSModuleDeclaration",
+            "range": [
+                0,
+                99
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 8,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    13
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 13
+                    }
+                },
+                "name": "Boo"
+            },
+            "body": {
+                "type": "TSModuleBlock",
+                "range": [
+                    14,
+                    99
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 14
+                    },
+                    "end": {
+                        "line": 8,
+                        "column": 1
+                    }
+                },
+                "statements": [
+                    {
+                        "type": "VariableDeclaration",
+                        "range": [
+                            20,
+                            51
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 16
+                            }
+                        },
+                        "declarations": [
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    26,
+                                    33
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 10
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 17
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        26,
+                                        29
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 10
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 13
+                                        }
+                                    },
+                                    "name": "bar"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        32,
+                                        33
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 16
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 17
+                                        }
+                                    },
+                                    "value": 3,
+                                    "raw": "3"
+                                }
+                            },
+                            {
+                                "type": "VariableDeclarator",
+                                "range": [
+                                    43,
+                                    50
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 8
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 15
+                                    }
+                                },
+                                "id": {
+                                    "type": "Identifier",
+                                    "range": [
+                                        43,
+                                        46
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 11
+                                        }
+                                    },
+                                    "name": "baz"
+                                },
+                                "init": {
+                                    "type": "Literal",
+                                    "range": [
+                                        49,
+                                        50
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 14
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 15
+                                        }
+                                    },
+                                    "value": 2,
+                                    "raw": "2"
+                                }
+                            }
+                        ],
+                        "kind": "const"
+                    },
+                    {
+                        "type": "IfStatement",
+                        "range": [
+                            57,
+                            97
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 5,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 7,
+                                "column": 5
+                            }
+                        },
+                        "test": {
+                            "type": "Literal",
+                            "range": [
+                                61,
+                                65
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 5,
+                                    "column": 8
+                                },
+                                "end": {
+                                    "line": 5,
+                                    "column": 12
+                                }
+                            },
+                            "value": true,
+                            "raw": "true"
+                        },
+                        "consequent": {
+                            "type": "BlockStatement",
+                            "range": [
+                                67,
+                                97
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 5,
+                                    "column": 14
+                                },
+                                "end": {
+                                    "line": 7,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "VariableDeclaration",
+                                    "range": [
+                                        77,
+                                        91
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 6,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 6,
+                                            "column": 22
+                                        }
+                                    },
+                                    "declarations": [
+                                        {
+                                            "type": "VariableDeclarator",
+                                            "range": [
+                                                83,
+                                                90
+                                            ],
+                                            "loc": {
+                                                "start": {
+                                                    "line": 6,
+                                                    "column": 14
+                                                },
+                                                "end": {
+                                                    "line": 6,
+                                                    "column": 21
+                                                }
+                                            },
+                                            "id": {
+                                                "type": "Identifier",
+                                                "range": [
+                                                    83,
+                                                    86
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 6,
+                                                        "column": 14
+                                                    },
+                                                    "end": {
+                                                        "line": 6,
+                                                        "column": 17
+                                                    }
+                                                },
+                                                "name": "bax"
+                                            },
+                                            "init": {
+                                                "type": "Literal",
+                                                "range": [
+                                                    89,
+                                                    90
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 6,
+                                                        "column": 20
+                                                    },
+                                                    "end": {
+                                                        "line": 6,
+                                                        "column": 21
+                                                    }
+                                                },
+                                                "value": 3,
+                                                "raw": "3"
+                                            }
+                                        }
+                                    ],
+                                    "kind": "const"
+                                }
+                            ]
+                        },
+                        "alternate": null
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "namespace",
+            "start": 0,
+            "end": 9,
+            "range": [
+                0,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Boo",
+            "start": 10,
+            "end": 13,
+            "range": [
+                10,
+                13
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 14,
+            "end": 15,
+            "range": [
+                14,
+                15
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+                "end": {
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+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "const",
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+            "end": 25,
+            "range": [
+                20,
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+                "end": {
+                    "line": 2,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "bar",
+            "start": 26,
+            "end": 29,
+            "range": [
+                26,
+                29
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+            }
+        },
+        {
+            "type": "Punctuator",
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+            "start": 30,
+            "end": 31,
+            "range": [
+                30,
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+                }
+            }
+        },
+        {
+            "type": "Numeric",
+            "value": "3",
+            "start": 32,
+            "end": 33,
+            "range": [
+                32,
+                33
+            ],
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+                },
+                "end": {
+                    "line": 2,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
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+            "start": 33,
+            "end": 34,
+            "range": [
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+            }
+        },
+        {
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+            "end": 46,
+            "range": [
+                43,
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+            "end": 50,
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+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 50,
+            "end": 51,
+            "range": [
+                50,
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+                },
+                "end": {
+                    "line": 3,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "if",
+            "start": 57,
+            "end": 59,
+            "range": [
+                57,
+                59
+            ],
+            "loc": {
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+                "end": {
+                    "line": 5,
+                    "column": 6
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "start": 60,
+            "end": 61,
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+                }
+            }
+        },
+        {
+            "type": "Punctuator",
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+            "range": [
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+            }
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+        {
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+            "value": "{",
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+            "end": 68,
+            "range": [
+                67,
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+                "end": {
+                    "line": 5,
+                    "column": 15
+                }
+            }
+        },
+        {
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+            "value": "const",
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+            "end": 82,
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+            }
+        },
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+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
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+            "end": 99,
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+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-invalid.js b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-invalid.js
new file mode 100644
index 0000000..1eb9670
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-invalid.js
@@ -0,0 +1,1200 @@
+"use strict";
+
+/**
+ * Source code:
+ *  namespace Unknown {
+ *      function foo() {
+ *      function bar() {
+ *              abstract class X {
+ *                  public baz() {
+ *                      if (true) {
+ *                     qux();
+ *                      }
+ *                  }
+ *              }
+ *          }
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        254
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 13,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSModuleDeclaration",
+            "range": [
+                0,
+                254
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 13,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    17
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 17
+                    }
+                },
+                "name": "Unknown"
+            },
+            "body": {
+                "type": "TSModuleBlock",
+                "range": [
+                    18,
+                    254
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 18
+                    },
+                    "end": {
+                        "line": 13,
+                        "column": 1
+                    }
+                },
+                "body": [
+                    {
+                        "type": "TSNamespaceFunctionDeclaration",
+                        "range": [
+                            24,
+                            252
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 12,
+                                "column": 5
+                            }
+                        },
+                        "id": {
+                            "type": "Identifier",
+                            "range": [
+                                33,
+                                36
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 16
+                                }
+                            },
+                            "name": "foo"
+                        },
+                        "generator": false,
+                        "expression": false,
+                        "async": false,
+                        "params": [],
+                        "body": {
+                            "type": "BlockStatement",
+                            "range": [
+                                39,
+                                252
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 12,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "FunctionDeclaration",
+                                    "range": [
+                                        45,
+                                        246
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 4
+                                        },
+                                        "end": {
+                                            "line": 11,
+                                            "column": 9
+                                        }
+                                    },
+                                    "id": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            54,
+                                            57
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 13
+                                            },
+                                            "end": {
+                                                "line": 3,
+                                                "column": 16
+                                            }
+                                        },
+                                        "name": "bar"
+                                    },
+                                    "generator": false,
+                                    "expression": false,
+                                    "async": false,
+                                    "params": [],
+                                    "body": {
+                                        "type": "BlockStatement",
+                                        "range": [
+                                            60,
+                                            246
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 19
+                                            },
+                                            "end": {
+                                                "line": 11,
+                                                "column": 9
+                                            }
+                                        },
+                                        "body": [
+                                            {
+                                                "type": "TSAbstractClassDeclaration",
+                                                "range": [
+                                                    74,
+                                                    236
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 13
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        89,
+                                                        90
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 27
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 28
+                                                        }
+                                                    },
+                                                    "name": "X"
+                                                },
+                                                "body": {
+                                                    "type": "ClassBody",
+                                                    "body": [
+                                                        {
+                                                            "type": "MethodDefinition",
+                                                            "range": [
+                                                                109,
+                                                                222
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 5,
+                                                                    "column": 16
+                                                                },
+                                                                "end": {
+                                                                    "line": 9,
+                                                                    "column": 17
+                                                                }
+                                                            },
+                                                            "key": {
+                                                                "type": "Identifier",
+                                                                "range": [
+                                                                    116,
+                                                                    119
+                                                                ],
+                                                                "loc": {
+                                                                    "start": {
+                                                                        "line": 5,
+                                                                        "column": 23
+                                                                    },
+                                                                    "end": {
+                                                                        "line": 5,
+                                                                        "column": 26
+                                                                    }
+                                                                },
+                                                                "name": "baz"
+                                                            },
+                                                            "value": {
+                                                                "type": "FunctionExpression",
+                                                                "id": null,
+                                                                "generator": false,
+                                                                "expression": false,
+                                                                "async": false,
+                                                                "body": {
+                                                                    "type": "BlockStatement",
+                                                                    "range": [
+                                                                        122,
+                                                                        222
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 29
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 9,
+                                                                            "column": 17
+                                                                        }
+                                                                    },
+                                                                    "body": [
+                                                                        {
+                                                                            "type": "IfStatement",
+                                                                            "range": [
+                                                                                144,
+                                                                                204
+                                                                            ],
+                                                                            "loc": {
+                                                                                "start": {
+                                                                                    "line": 6,
+                                                                                    "column": 20
+                                                                                },
+                                                                                "end": {
+                                                                                    "line": 8,
+                                                                                    "column": 21
+                                                                                }
+                                                                            },
+                                                                            "test": {
+                                                                                "type": "Literal",
+                                                                                "range": [
+                                                                                    148,
+                                                                                    152
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 24
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 6,
+                                                                                        "column": 28
+                                                                                    }
+                                                                                },
+                                                                                "value": true,
+                                                                                "raw": "true"
+                                                                            },
+                                                                            "consequent": {
+                                                                                "type": "BlockStatement",
+                                                                                "range": [
+                                                                                    154,
+                                                                                    204
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 30
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 8,
+                                                                                        "column": 21
+                                                                                    }
+                                                                                },
+                                                                                "body": [
+                                                                                    {
+                                                                                        "type": "ExpressionStatement",
+                                                                                        "range": [
+                                                                                            176,
+                                                                                            182
+                                                                                        ],
+                                                                                        "loc": {
+                                                                                            "start": {
+                                                                                                "line": 7,
+                                                                                                "column": 20
+                                                                                            },
+                                                                                            "end": {
+                                                                                                "line": 7,
+                                                                                                "column": 26
+                                                                                            }
+                                                                                        },
+                                                                                        "expression": {
+                                                                                            "type": "CallExpression",
+                                                                                            "range": [
+                                                                                                176,
+                                                                                                181
+                                                                                            ],
+                                                                                            "loc": {
+                                                                                                "start": {
+                                                                                                    "line": 7,
+                                                                                                    "column": 20
+                                                                                                },
+                                                                                                "end": {
+                                                                                                    "line": 7,
+                                                                                                    "column": 25
+                                                                                                }
+                                                                                            },
+                                                                                            "callee": {
+                                                                                                "type": "Identifier",
+                                                                                                "range": [
+                                                                                                    176,
+                                                                                                    179
+                                                                                                ],
+                                                                                                "loc": {
+                                                                                                    "start": {
+                                                                                                        "line": 7,
+                                                                                                        "column": 20
+                                                                                                    },
+                                                                                                    "end": {
+                                                                                                        "line": 7,
+                                                                                                        "column": 23
+                                                                                                    }
+                                                                                                },
+                                                                                                "name": "qux"
+                                                                                            },
+                                                                                            "arguments": []
+                                                                                        }
+                                                                                    }
+                                                                                ]
+                                                                            },
+                                                                            "alternate": null
+                                                                        }
+                                                                    ]
+                                                                },
+                                                                "range": [
+                                                                    119,
+                                                                    222
+                                                                ],
+                                                                "loc": {
+                                                                    "start": {
+                                                                        "line": 5,
+                                                                        "column": 26
+                                                                    },
+                                                                    "end": {
+                                                                        "line": 9,
+                                                                        "column": 17
+                                                                    }
+                                                                },
+                                                                "params": []
+                                                            },
+                                                            "computed": false,
+                                                            "static": false,
+                                                            "kind": "method",
+                                                            "accessibility": "public",
+                                                            "decorators": []
+                                                        }
+                                                    ],
+                                                    "range": [
+                                                        91,
+                                                        236
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 29
+                                                        },
+                                                        "end": {
+                                                            "line": 10,
+                                                            "column": 13
+                                                        }
+                                                    }
+                                                },
+                                                "superClass": null,
+                                                "implements": [],
+                                                "decorators": []
+                                            }
+                                        ]
+                                    }
+                                }
+                            ]
+                        }
+                    }
+                ]
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "namespace",
+            "start": 0,
+            "end": 9,
+            "range": [
+                0,
+                9
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "Unknown",
+            "start": 10,
+            "end": 17,
+            "range": [
+                10,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 10
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "start": 18,
+            "end": 19,
+            "range": [
+                18,
+                19
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 18
+                },
+                "end": {
+                    "line": 1,
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+                }
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diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-valid.js b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-valid.js
new file mode 100644
index 0000000..70ddc11
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/namespace-with-functions-with-abstract-class-valid.js
@@ -0,0 +1,1201 @@
+"use strict";
+
+/**
+ * Source code:
+ *  namespace Unknown {
+ *      function foo() {
+ *          function bar() {
+ *              abstract class X {
+ *                  public baz() {
+ *                      if (true) {
+ *                          qux();
+ *                      }
+ *                  }
+ *              }
+ *          }
+ *      }
+ *  }
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        262
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 13,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "TSModuleDeclaration",
+            "range": [
+                0,
+                262
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 13,
+                    "column": 1
+                }
+            },
+            "name": {
+                "type": "Identifier",
+                "range": [
+                    10,
+                    17
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 10
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 17
+                    }
+                },
+                "name": "Unknown"
+            },
+            "body": {
+                "type": "TSModuleBlock",
+                "range": [
+                    18,
+                    262
+                ],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 18
+                    },
+                    "end": {
+                        "line": 13,
+                        "column": 1
+                    }
+                },
+                "body": [
+                    {
+                        "type": "TSNamespaceFunctionDeclaration",
+                        "range": [
+                            24,
+                            260
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 2,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 12,
+                                "column": 5
+                            }
+                        },
+                        "id": {
+                            "type": "Identifier",
+                            "range": [
+                                33,
+                                36
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 13
+                                },
+                                "end": {
+                                    "line": 2,
+                                    "column": 16
+                                }
+                            },
+                            "name": "foo"
+                        },
+                        "generator": false,
+                        "expression": false,
+                        "async": false,
+                        "params": [],
+                        "body": {
+                            "type": "BlockStatement",
+                            "range": [
+                                39,
+                                260
+                            ],
+                            "loc": {
+                                "start": {
+                                    "line": 2,
+                                    "column": 19
+                                },
+                                "end": {
+                                    "line": 12,
+                                    "column": 5
+                                }
+                            },
+                            "body": [
+                                {
+                                    "type": "FunctionDeclaration",
+                                    "range": [
+                                        49,
+                                        254
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 8
+                                        },
+                                        "end": {
+                                            "line": 11,
+                                            "column": 9
+                                        }
+                                    },
+                                    "id": {
+                                        "type": "Identifier",
+                                        "range": [
+                                            58,
+                                            61
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 17
+                                            },
+                                            "end": {
+                                                "line": 3,
+                                                "column": 20
+                                            }
+                                        },
+                                        "name": "bar"
+                                    },
+                                    "generator": false,
+                                    "expression": false,
+                                    "async": false,
+                                    "params": [],
+                                    "body": {
+                                        "type": "BlockStatement",
+                                        "range": [
+                                            64,
+                                            254
+                                        ],
+                                        "loc": {
+                                            "start": {
+                                                "line": 3,
+                                                "column": 23
+                                            },
+                                            "end": {
+                                                "line": 11,
+                                                "column": 9
+                                            }
+                                        },
+                                        "body": [
+                                            {
+                                                "type": "TSAbstractClassDeclaration",
+                                                "range": [
+                                                    78,
+                                                    244
+                                                ],
+                                                "loc": {
+                                                    "start": {
+                                                        "line": 4,
+                                                        "column": 12
+                                                    },
+                                                    "end": {
+                                                        "line": 10,
+                                                        "column": 13
+                                                    }
+                                                },
+                                                "id": {
+                                                    "type": "Identifier",
+                                                    "range": [
+                                                        93,
+                                                        94
+                                                    ],
+                                                    "loc": {
+                                                        "start": {
+                                                            "line": 4,
+                                                            "column": 27
+                                                        },
+                                                        "end": {
+                                                            "line": 4,
+                                                            "column": 28
+                                                        }
+                                                    },
+                                                    "name": "X"
+                                                },
+                                                "body": {
+                                                    "type": "ClassBody",
+                                                    "body": [
+                                                        {
+                                                            "type": "MethodDefinition",
+                                                            "range": [
+                                                                113,
+                                                                230
+                                                            ],
+                                                            "loc": {
+                                                                "start": {
+                                                                    "line": 5,
+                                                                    "column": 16
+                                                                },
+                                                                "end": {
+                                                                    "line": 9,
+                                                                    "column": 17
+                                                                }
+                                                            },
+                                                            "key": {
+                                                                "type": "Identifier",
+                                                                "range": [
+                                                                    120,
+                                                                    123
+                                                                ],
+                                                                "loc": {
+                                                                    "start": {
+                                                                        "line": 5,
+                                                                        "column": 23
+                                                                    },
+                                                                    "end": {
+                                                                        "line": 5,
+                                                                        "column": 26
+                                                                    }
+                                                                },
+                                                                "name": "baz"
+                                                            },
+                                                            "value": {
+                                                                "type": "FunctionExpression",
+                                                                "id": null,
+                                                                "generator": false,
+                                                                "expression": false,
+                                                                "async": false,
+                                                                "body": {
+                                                                    "type": "BlockStatement",
+                                                                    "range": [
+                                                                        126,
+                                                                        230
+                                                                    ],
+                                                                    "loc": {
+                                                                        "start": {
+                                                                            "line": 5,
+                                                                            "column": 29
+                                                                        },
+                                                                        "end": {
+                                                                            "line": 9,
+                                                                            "column": 17
+                                                                        }
+                                                                    },
+                                                                    "body": [
+                                                                        {
+                                                                            "type": "IfStatement",
+                                                                            "range": [
+                                                                                148,
+                                                                                212
+                                                                            ],
+                                                                            "loc": {
+                                                                                "start": {
+                                                                                    "line": 6,
+                                                                                    "column": 20
+                                                                                },
+                                                                                "end": {
+                                                                                    "line": 8,
+                                                                                    "column": 21
+                                                                                }
+                                                                            },
+                                                                            "test": {
+                                                                                "type": "Literal",
+                                                                                "range": [
+                                                                                    152,
+                                                                                    156
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 24
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 6,
+                                                                                        "column": 28
+                                                                                    }
+                                                                                },
+                                                                                "value": true,
+                                                                                "raw": "true"
+                                                                            },
+                                                                            "consequent": {
+                                                                                "type": "BlockStatement",
+                                                                                "range": [
+                                                                                    158,
+                                                                                    212
+                                                                                ],
+                                                                                "loc": {
+                                                                                    "start": {
+                                                                                        "line": 6,
+                                                                                        "column": 30
+                                                                                    },
+                                                                                    "end": {
+                                                                                        "line": 8,
+                                                                                        "column": 21
+                                                                                    }
+                                                                                },
+                                                                                "body": [
+                                                                                    {
+                                                                                        "type": "ExpressionStatement",
+                                                                                        "range": [
+                                                                                            184,
+                                                                                            190
+                                                                                        ],
+                                                                                        "loc": {
+                                                                                            "start": {
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+
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-indent-two-spaces.js b/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-indent-two-spaces.js
new file mode 100644
index 0000000..971bd00
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-indent-two-spaces.js
@@ -0,0 +1,395 @@
+"use strict";
+
+/**
+ * Source code:
+ * type httpMethod = 'GET'
+ *   | 'POST'
+ *   | 'PUT';
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        45
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 10
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                45
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 10
+                }
+            },
+            "kind": "type",
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            5,
+                            15
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 5
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 15
+                            }
+                        },
+                        "name": "httpMethod"
+                    },
+                    "init": {
+                        "type": "TSUnionType",
+                        "range": [
+                            18,
+                            44
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 18
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 9
+                            }
+                        },
+                        "types": [
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    18,
+                                    23
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 23
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        18,
+                                        23
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 18
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 23
+                                        }
+                                    },
+                                    "value": "GET",
+                                    "raw": "'GET'"
+                                }
+                            },
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    28,
+                                    34
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 4
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 10
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        28,
+                                        34
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 4
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 10
+                                        }
+                                    },
+                                    "value": "POST",
+                                    "raw": "'POST'"
+                                }
+                            },
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    39,
+                                    44
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 4
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 9
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        39,
+                                        44
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 4
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 9
+                                        }
+                                    },
+                                    "value": "PUT",
+                                    "raw": "'PUT'"
+                                }
+                            }
+                        ]
+                    },
+                    "range": [
+                        5,
+                        45
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 5
+                        },
+                        "end": {
+                            "line": 3,
+                            "column": 10
+                        }
+                    }
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "type",
+            "start": 0,
+            "end": 4,
+            "range": [
+                0,
+                4
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 4
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "httpMethod",
+            "start": 5,
+            "end": 15,
+            "range": [
+                5,
+                15
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 5
+                },
+                "end": {
+                    "line": 1,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 16,
+            "end": 17,
+            "range": [
+                16,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 16
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'GET'",
+            "start": 18,
+            "end": 23,
+            "range": [
+                18,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 18
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "|",
+            "start": 26,
+            "end": 27,
+            "range": [
+                26,
+                27
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 2
+                },
+                "end": {
+                    "line": 2,
+                    "column": 3
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'POST'",
+            "start": 28,
+            "end": 34,
+            "range": [
+                28,
+                34
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 4
+                },
+                "end": {
+                    "line": 2,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "|",
+            "start": 37,
+            "end": 38,
+            "range": [
+                37,
+                38
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 2
+                },
+                "end": {
+                    "line": 3,
+                    "column": 3
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'PUT'",
+            "start": 39,
+            "end": 44,
+            "range": [
+                39,
+                44
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 4
+                },
+                "end": {
+                    "line": 3,
+                    "column": 9
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 44,
+            "end": 45,
+            "range": [
+                44,
+                45
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 9
+                },
+                "end": {
+                    "line": 3,
+                    "column": 10
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-no-indent.js b/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-no-indent.js
new file mode 100644
index 0000000..9d33d7d
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-nodes/variable-declarator-type-no-indent.js
@@ -0,0 +1,395 @@
+"use strict";
+
+/**
+ * Source code:
+ * type httpMethod = 'GET'
+ * | 'POST'
+ * | 'PUT';
+ */
+
+
+exports.parse = () => ({
+    "type": "Program",
+    "range": [
+        0,
+        41
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 3,
+            "column": 8
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                41
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 8
+                }
+            },
+            "kind": "type",
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            5,
+                            15
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 5
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 15
+                            }
+                        },
+                        "name": "httpMethod"
+                    },
+                    "init": {
+                        "type": "TSUnionType",
+                        "range": [
+                            18,
+                            40
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 18
+                            },
+                            "end": {
+                                "line": 3,
+                                "column": 7
+                            }
+                        },
+                        "types": [
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    18,
+                                    23
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 1,
+                                        "column": 18
+                                    },
+                                    "end": {
+                                        "line": 1,
+                                        "column": 23
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        18,
+                                        23
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 1,
+                                            "column": 18
+                                        },
+                                        "end": {
+                                            "line": 1,
+                                            "column": 23
+                                        }
+                                    },
+                                    "value": "GET",
+                                    "raw": "'GET'"
+                                }
+                            },
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    26,
+                                    32
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 2,
+                                        "column": 2
+                                    },
+                                    "end": {
+                                        "line": 2,
+                                        "column": 8
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        26,
+                                        32
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 2,
+                                            "column": 2
+                                        },
+                                        "end": {
+                                            "line": 2,
+                                            "column": 8
+                                        }
+                                    },
+                                    "value": "POST",
+                                    "raw": "'POST'"
+                                }
+                            },
+                            {
+                                "type": "TSLastTypeNode",
+                                "range": [
+                                    35,
+                                    40
+                                ],
+                                "loc": {
+                                    "start": {
+                                        "line": 3,
+                                        "column": 2
+                                    },
+                                    "end": {
+                                        "line": 3,
+                                        "column": 7
+                                    }
+                                },
+                                "literal": {
+                                    "type": "Literal",
+                                    "range": [
+                                        35,
+                                        40
+                                    ],
+                                    "loc": {
+                                        "start": {
+                                            "line": 3,
+                                            "column": 2
+                                        },
+                                        "end": {
+                                            "line": 3,
+                                            "column": 7
+                                        }
+                                    },
+                                    "value": "PUT",
+                                    "raw": "'PUT'"
+                                }
+                            }
+                        ]
+                    },
+                    "range": [
+                        5,
+                        41
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 5
+                        },
+                        "end": {
+                            "line": 3,
+                            "column": 8
+                        }
+                    }
+                }
+            ]
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Identifier",
+            "value": "type",
+            "start": 0,
+            "end": 4,
+            "range": [
+                0,
+                4
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 4
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "httpMethod",
+            "start": 5,
+            "end": 15,
+            "range": [
+                5,
+                15
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 5
+                },
+                "end": {
+                    "line": 1,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "start": 16,
+            "end": 17,
+            "range": [
+                16,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 16
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'GET'",
+            "start": 18,
+            "end": 23,
+            "range": [
+                18,
+                23
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 18
+                },
+                "end": {
+                    "line": 1,
+                    "column": 23
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "|",
+            "start": 24,
+            "end": 25,
+            "range": [
+                24,
+                25
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 0
+                },
+                "end": {
+                    "line": 2,
+                    "column": 1
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'POST'",
+            "start": 26,
+            "end": 32,
+            "range": [
+                26,
+                32
+            ],
+            "loc": {
+                "start": {
+                    "line": 2,
+                    "column": 2
+                },
+                "end": {
+                    "line": 2,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "|",
+            "start": 33,
+            "end": 34,
+            "range": [
+                33,
+                34
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 1
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'PUT'",
+            "start": 35,
+            "end": 40,
+            "range": [
+                35,
+                40
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 2
+                },
+                "end": {
+                    "line": 3,
+                    "column": 7
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "start": 40,
+            "end": 41,
+            "range": [
+                40,
+                41
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 7
+                },
+                "end": {
+                    "line": 3,
+                    "column": 8
+                }
+            }
+        }
+    ],
+    "comments": []
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator-nested.js b/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator-nested.js
new file mode 100644
index 0000000..2484807
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator-nested.js
@@ -0,0 +1,227 @@
+/**
+ * The output AST has been modified to represent an unknown operator
+ * (replaced ?? with %%)
+ *
+ * Parser: babel-eslint v8.2.3
+ * (with this fix for tokens: https://github.com/babel/babel-eslint/pull/632)
+ * Source code:
+ * foo && bar ?? baz
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 17,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 1,
+            column: 17
+        }
+    },
+    range: [0, 17],
+    comments: [],
+    tokens: [
+        {
+            type: "Identifier",
+            value: "foo",
+            start: 0,
+            end: 3,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 3
+                }
+            },
+            range: [0, 3]
+        },
+        {
+            type: "Punctuator",
+            value: "&&",
+            start: 4,
+            end: 6,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 4
+                },
+                end: {
+                    line: 1,
+                    column: 6
+                }
+            },
+            range: [4, 6]
+        },
+        {
+            type: "Identifier",
+            value: "bar",
+            start: 7,
+            end: 10,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 7
+                },
+                end: {
+                    line: 1,
+                    column: 10
+                }
+            },
+            range: [7, 10]
+        },
+        {
+            type: "Punctuator",
+            value: "%%",
+            start: 11,
+            end: 13,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 11
+                },
+                end: {
+                    line: 1,
+                    column: 13
+                }
+            },
+            range: [11, 13]
+        },
+        {
+            type: "Identifier",
+            value: "baz",
+            start: 14,
+            end: 17,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 14
+                },
+                end: {
+                    line: 1,
+                    column: 17
+                }
+            },
+            range: [14, 17]
+        }
+    ],
+    sourceType: "module",
+    body: [
+        {
+            type: "ExpressionStatement",
+            start: 0,
+            end: 17,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 17
+                }
+            },
+            range: [0, 17],
+            expression: {
+                type: "LogicalExpression",
+                start: 0,
+                end: 17,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 1,
+                        column: 17
+                    }
+                },
+                range: [0, 17],
+                left: {
+                    type: "LogicalExpression",
+                    start: 0,
+                    end: 10,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 10
+                        }
+                    },
+                    range: [0, 10],
+                    left: {
+                        type: "Identifier",
+                        start: 0,
+                        end: 3,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 0
+                            },
+                            end: {
+                                line: 1,
+                                column: 3
+                            },
+                            identifierName: "foo"
+                        },
+                        range: [0, 3],
+                        name: "foo",
+                        _babelType: "Identifier"
+                    },
+                    operator: "&&",
+                    right: {
+                        type: "Identifier",
+                        start: 7,
+                        end: 10,
+                        loc: {
+                            start: {
+                                line: 1,
+                                column: 7
+                            },
+                            end: {
+                                line: 1,
+                                column: 10
+                            },
+                            identifierName: "bar"
+                        },
+                        range: [7, 10],
+                        name: "bar",
+                        _babelType: "Identifier"
+                    },
+                    _babelType: "LogicalExpression"
+                },
+                operator: "%%",
+                right: {
+                    type: "Identifier",
+                    start: 14,
+                    end: 17,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 14
+                        },
+                        end: {
+                            line: 1,
+                            column: 17
+                        },
+                        identifierName: "baz"
+                    },
+                    range: [14, 17],
+                    name: "baz",
+                    _babelType: "Identifier"
+                },
+                _babelType: "LogicalExpression"
+            },
+            _babelType: "ExpressionStatement"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator.js b/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator.js
new file mode 100644
index 0000000..eadc597
--- /dev/null
+++ b/eslint/tests/fixtures/parsers/unknown-operators/unknown-logical-operator.js
@@ -0,0 +1,156 @@
+/**
+ * The output AST has been modified to represent an unknown operator
+ * (replaced ?? with %%)
+ *
+ * Parser: babel-eslint v8.2.3
+ * (with this fix for tokens: https://github.com/babel/babel-eslint/pull/632)
+ * Source code:
+ * null ?? 'foo'
+ */
+
+exports.parse = () => ({
+    type: "Program",
+    start: 0,
+    end: 13,
+    loc: {
+        start: {
+            line: 1,
+            column: 0
+        },
+        end: {
+            line: 1,
+            column: 13
+        }
+    },
+    range: [0, 13],
+    comments: [],
+    tokens: [
+        {
+            type: "Null",
+            value: "null",
+            start: 0,
+            end: 4,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 4
+                }
+            },
+            range: [0, 4]
+        },
+        {
+            type: "Punctuator",
+            value: "%%",
+            start: 5,
+            end: 7,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 5
+                },
+                end: {
+                    line: 1,
+                    column: 7
+                }
+            },
+            range: [5, 7]
+        },
+        {
+            type: "String",
+            value: "'foo'",
+            start: 8,
+            end: 13,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 8
+                },
+                end: {
+                    line: 1,
+                    column: 13
+                }
+            },
+            range: [8, 13]
+        }
+    ],
+    sourceType: "script",
+    body: [
+        {
+            type: "ExpressionStatement",
+            start: 0,
+            end: 13,
+            loc: {
+                start: {
+                    line: 1,
+                    column: 0
+                },
+                end: {
+                    line: 1,
+                    column: 13
+                }
+            },
+            range: [0, 13],
+            expression: {
+                type: "LogicalExpression",
+                start: 0,
+                end: 13,
+                loc: {
+                    start: {
+                        line: 1,
+                        column: 0
+                    },
+                    end: {
+                        line: 1,
+                        column: 13
+                    }
+                },
+                range: [0, 13],
+                left: {
+                    type: "Literal",
+                    start: 0,
+                    end: 4,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 0
+                        },
+                        end: {
+                            line: 1,
+                            column: 4
+                        }
+                    },
+                    range: [0, 4],
+                    value: null,
+                    raw: "null",
+                    _babelType: "Literal"
+                },
+                operator: "%%",
+                right: {
+                    type: "Literal",
+                    start: 8,
+                    end: 13,
+                    loc: {
+                        start: {
+                            line: 1,
+                            column: 8
+                        },
+                        end: {
+                            line: 1,
+                            column: 13
+                        }
+                    },
+                    range: [8, 13],
+                    value: "foo",
+                    raw: "'foo'",
+                    _babelType: "Literal"
+                },
+                _babelType: "LogicalExpression"
+            },
+            _babelType: "ExpressionStatement"
+        }
+    ]
+});
diff --git a/eslint/tests/fixtures/passing-es7.js b/eslint/tests/fixtures/passing-es7.js
new file mode 100644
index 0000000..efc856c
--- /dev/null
+++ b/eslint/tests/fixtures/passing-es7.js
@@ -0,0 +1,4 @@
+var foo = "bar";
+if (foo) {
+    foo = 3 ** 4;
+}
diff --git a/eslint/tests/fixtures/passing.js b/eslint/tests/fixtures/passing.js
new file mode 100644
index 0000000..6555303
--- /dev/null
+++ b/eslint/tests/fixtures/passing.js
@@ -0,0 +1,4 @@
+var foo = "bar";
+if (foo) {
+    foo = "bar2";
+}
diff --git a/eslint/tests/fixtures/plugin-shorthand/basic/.eslintrc.json b/eslint/tests/fixtures/plugin-shorthand/basic/.eslintrc.json
new file mode 100644
index 0000000..f743354
--- /dev/null
+++ b/eslint/tests/fixtures/plugin-shorthand/basic/.eslintrc.json
@@ -0,0 +1,7 @@
+{
+    "root": true,
+    "plugins": ["@scope"],
+    "rules": {
+        "@scope/rule": "error"
+    }
+}
diff --git a/eslint/tests/fixtures/plugin-shorthand/extends/.eslintrc.json b/eslint/tests/fixtures/plugin-shorthand/extends/.eslintrc.json
new file mode 100644
index 0000000..f392715
--- /dev/null
+++ b/eslint/tests/fixtures/plugin-shorthand/extends/.eslintrc.json
@@ -0,0 +1,4 @@
+{
+    "root": true,
+    "extends": ["plugin:@scope/recommended"]
+}
diff --git a/eslint/tests/fixtures/process-exit.js b/eslint/tests/fixtures/process-exit.js
new file mode 100644
index 0000000..dcbbff6
--- /dev/null
+++ b/eslint/tests/fixtures/process-exit.js
@@ -0,0 +1 @@
+process.exit(0);
diff --git a/eslint/tests/fixtures/processors/custom-processor.js b/eslint/tests/fixtures/processors/custom-processor.js
new file mode 100644
index 0000000..87623b3
--- /dev/null
+++ b/eslint/tests/fixtures/processors/custom-processor.js
@@ -0,0 +1,13 @@
+module.exports = {
+    processors: {
+        ".txt": {
+            preprocess: function(text) {
+                return [text.replace("a()", "b()")];
+            },
+            postprocess: function(messages) {
+                messages[0][0].ruleId = "post-processed";
+                return messages[0];
+            }
+        }
+    }
+};
diff --git a/eslint/tests/fixtures/processors/pattern-processor.js b/eslint/tests/fixtures/processors/pattern-processor.js
new file mode 100644
index 0000000..462c591
--- /dev/null
+++ b/eslint/tests/fixtures/processors/pattern-processor.js
@@ -0,0 +1,63 @@
+"use strict";
+
+/**
+ * Define a processor which extract code blocks `pattern` regexp matched.
+ * The defined processor supports autofix, but doesn't have `supportsAutofix` property.
+ *
+ * @param {RegExp} pattern The regular expression pattern for code blocks.
+ *   The first capture group becomes the file extension of the code block.
+ *   The second capture group becomes the text of the code block.
+ * @returns {Processor} The defined processor.
+ */
+exports.defineProcessor = (pattern, legacy = false) => {
+    const blocksMap = new Map();
+
+    return {
+        preprocess(wholeCode, filename) {
+            const blocks = [];
+            blocksMap.set(filename, blocks);
+
+            // Extract code blocks.
+            let match;
+            while ((match = pattern.exec(wholeCode)) !== null) {
+                const [codeBlock, ext, text] = match;
+                const filename = `${blocks.length}.${ext}`;
+                const offset = match.index + codeBlock.indexOf(text);
+                const lineOffset = wholeCode.slice(0, match.index).split("\n").length;
+
+                blocks.push({ text, filename, lineOffset, offset });
+            }
+
+            if (legacy) {
+                return blocks.map(b => b.text);
+            }
+            return blocks;
+        },
+
+        postprocess(messageLists, filename) {
+            const blocks = blocksMap.get(filename);
+            blocksMap.delete(filename);
+
+            // Fix the location of reports.
+            if (blocks) {
+                for (let i = 0; i < messageLists.length; ++i) {
+                    const messages = messageLists[i];
+                    const { lineOffset, offset } = blocks[i];
+
+                    for (const message of messages) {
+                        message.line += lineOffset;
+                        if (message.endLine != null) {
+                            message.endLine += lineOffset;
+                        }
+                        if (message.fix != null) {
+                            message.fix.range[0] += offset;
+                            message.fix.range[1] += offset;
+                        }
+                    }
+                }
+            }
+
+            return [].concat(...messageLists);
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/processors/test/test-processor.txt b/eslint/tests/fixtures/processors/test/test-processor.txt
new file mode 100644
index 0000000..85d2b32
--- /dev/null
+++ b/eslint/tests/fixtures/processors/test/test-processor.txt
@@ -0,0 +1,3 @@
+function a() {
+    console.log("Test");
+}
diff --git a/eslint/tests/fixtures/rules/.eslintignore b/eslint/tests/fixtures/rules/.eslintignore
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/eslint/tests/fixtures/rules/.eslintignore
@@ -0,0 +1 @@
+
diff --git a/eslint/tests/fixtures/rules/.jshintignore b/eslint/tests/fixtures/rules/.jshintignore
new file mode 100644
index 0000000..91224e5
--- /dev/null
+++ b/eslint/tests/fixtures/rules/.jshintignore
@@ -0,0 +1 @@
+**/*
diff --git a/eslint/tests/fixtures/rules/custom-rule.js b/eslint/tests/fixtures/rules/custom-rule.js
new file mode 100644
index 0000000..6d8b662
--- /dev/null
+++ b/eslint/tests/fixtures/rules/custom-rule.js
@@ -0,0 +1,15 @@
+module.exports = function(context) {
+
+    "use strict";
+
+    return {
+        "Identifier": function(node) {
+            if (node.name === "foo") {
+                context.report(node, "Identifier cannot be named 'foo'.");
+            }
+        }
+    };
+
+};
+
+module.exports.schema = [];
diff --git a/eslint/tests/fixtures/rules/dir1/no-strings.js b/eslint/tests/fixtures/rules/dir1/no-strings.js
new file mode 100644
index 0000000..1f566ac
--- /dev/null
+++ b/eslint/tests/fixtures/rules/dir1/no-strings.js
@@ -0,0 +1,14 @@
+"use strict";
+
+module.exports = function(context) {
+
+    return {
+
+        "Literal": function(node) {
+            if (typeof node.value === 'string') {
+                context.report(node, "String!");
+            }
+
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/rules/dir2/no-literals.js b/eslint/tests/fixtures/rules/dir2/no-literals.js
new file mode 100644
index 0000000..fdaa2d0
--- /dev/null
+++ b/eslint/tests/fixtures/rules/dir2/no-literals.js
@@ -0,0 +1,11 @@
+"use strict";
+
+module.exports = function(context) {
+
+    return {
+
+        "Literal": function(node) {
+            context.report(node, "Literal!");
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/rules/eslint.json b/eslint/tests/fixtures/rules/eslint.json
new file mode 100644
index 0000000..163c0cc
--- /dev/null
+++ b/eslint/tests/fixtures/rules/eslint.json
@@ -0,0 +1,8 @@
+{
+    "globals" : {
+        "test": true
+    },
+    "rules": {
+        "custom-rule": 1
+    }
+}
diff --git a/eslint/tests/fixtures/rules/fix-types-test/no-program.js b/eslint/tests/fixtures/rules/fix-types-test/no-program.js
new file mode 100644
index 0000000..fd33c11
--- /dev/null
+++ b/eslint/tests/fixtures/rules/fix-types-test/no-program.js
@@ -0,0 +1,22 @@
+"use strict";
+
+module.exports = {
+    fixable: "code",
+
+    create(context) {
+        
+        return {
+            
+            "Program": function(node) {
+                context.report({
+                    node,
+                    message: "Program!",
+                    fix(fixer) {
+                        return fixer.insertTextAfter(node, ";");
+                    }
+                });
+            }
+        };
+    }
+    
+}
\ No newline at end of file
diff --git a/eslint/tests/fixtures/rules/fixture-rule.js b/eslint/tests/fixtures/rules/fixture-rule.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/rules/indent-legacy/indent-invalid-fixture-1.js b/eslint/tests/fixtures/rules/indent-legacy/indent-invalid-fixture-1.js
new file mode 100644
index 0000000..c5c3fd8
--- /dev/null
+++ b/eslint/tests/fixtures/rules/indent-legacy/indent-invalid-fixture-1.js
@@ -0,0 +1,530 @@
+if (a) {
+  var b = c;
+  var d = e
+    * f;
+    var e = f; // <-
+// NO ERROR: DON'T VALIDATE EMPTY OR COMMENT ONLY LINES
+  function g() {
+    if (h) {
+      var i = j;
+      } // <-
+    } // <-
+
+  while (k) l++;
+  while (m) {
+  n--; // ->
+    } // <-
+
+  do {
+    o = p +
+  q; // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    o = p +
+    q;
+    } while(r); // <-
+
+  for (var s in t) {
+    u++;
+  }
+
+    for (;;) { // <- Fix this when issue #3737 gets resolved
+      v++; // <-
+  }
+
+  if ( w ) {
+    x++;
+  } else if (y) {
+      z++; // <-
+    aa++;
+    } else { // <-
+  bb++; // ->
+} // ->
+}
+
+/**/var b; // NO ERROR: single line multi-line comments followed by code is OK
+/*
+ *
+ */ var b; // ERROR: multi-line comments followed by code is not OK
+
+var arr = [
+  a,
+  b,
+  c,
+  function (){
+    d
+    }, // <-
+  {},
+  {
+    a: b,
+    c: d,
+    d: e
+  },
+  [
+    f,
+    g,
+    h,
+    i
+  ],
+  [j]
+];
+
+var obj = {
+  a: {
+    b: {
+      c: d,
+      e: f,
+      g: h +
+    i // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    }
+  },
+  g: [
+    h,
+    i,
+    j,
+    k
+  ]
+};
+
+var arrObject = {a:[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]};
+
+var objArray = [{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}];
+
+var arrArray = [[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]];
+
+var objObject = {a:{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}};
+
+
+switch (a) {
+  case 'a':
+  var a = 'b'; // ->
+    break;
+  case 'b':
+    var a = 'b';
+    break;
+  case 'c':
+      var a = 'b'; // <-
+    break;
+  case 'd':
+    var a = 'b';
+  break; // ->
+  case 'f':
+    var a = 'b';
+    break;
+  case 'g':     {
+    var a = 'b';
+    break;
+  }
+  case 'z':
+  default:
+      break; // <-
+}
+
+a.b('hi')
+   .c(a.b()) // <-
+   .d(); // <-
+
+if ( a ) {
+  if ( b ) {
+d.e(f) // ->
+  .g() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+  .h(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+    i.j(m)
+      .k() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+      .l(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+      n.o(p) // <-
+        .q() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+        .r(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+  }
+}
+
+var a = b,
+  c = function () {
+  h = i; // ->
+    j = k;
+      l = m; // <-
+  },
+  e = {
+    f: g,
+    n: o,
+    p: q
+  },
+  r = [
+    s,
+    t,
+    u
+  ];
+
+var a = function () {
+b = c; // ->
+  d = e;
+    f = g; // <-
+};
+
+function c(a, b) {
+  if (a || (a &&
+            b)) { // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    return d;
+  }
+}
+
+if ( a
+  || b ) {
+var x; // ->
+  var c,
+    d = function(a,
+                  b) {
+    a; // ->
+      b;
+        c; // <-
+    }
+}
+
+
+a({
+  d: 1
+});
+
+a(
+1
+);
+
+a(
+  b({
+    d: 1
+  })
+);
+
+a(
+  b(
+    c({
+      d: 1,
+      e: 1,
+      f: 1
+    })
+  )
+);
+
+a({ d: 1 });
+
+aa(
+   b({ // NO ERROR: aligned with previous opening paren
+     c: d,
+     e: f,
+     f: g
+   })
+);
+
+aaaaaa(
+  b,
+  c,
+  {
+    d: a
+  }
+);
+
+a(b, c,
+  d, e,
+    f, g  // NO ERROR: alignment of arguments of callExpression not checked
+  );  // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+a(
+  ); // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+aaaaaa(
+  b,
+  c, {
+    d: a
+  }, {
+    e: f
+  }
+);
+
+a.b()
+  .c(function(){
+    var a;
+  }).d.e;
+
+if (a == 'b') {
+  if (c && d) e = f
+  else g('h').i('j')
+}
+
+a = function (b, c) {
+  return a(function () {
+    var d = e
+    var f = g
+    var h = i
+
+    if (!j) k('l', (m = n))
+    if (o) p
+    else if (q) r
+  })
+}
+
+var a = function() {
+  "b"
+    .replace(/a/, "a")
+    .replace(/bc?/, function(e) {
+      return "b" + (e.f === 2 ? "c" : "f");
+    })
+    .replace(/d/, "d");
+};
+
+$(b)
+  .on('a', 'b', function() { $(c).e('f'); })
+  .on('g', 'h', function() { $(i).j('k'); });
+
+a
+  .b('c',
+           'd'); // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+a
+  .b('c', [ 'd', function(e) {
+    e++;
+  }]);
+
+var a = function() {
+      a++;
+    b++; // <-
+        c++; // <-
+    },
+    b;
+
+var b = [
+      a,
+      b,
+      c
+    ],
+    c;
+
+var c = {
+      a: 1,
+      b: 2,
+      c: 3
+    },
+    d;
+
+// holes in arrays indentation
+x = [
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1
+];
+
+try {
+  a++;
+    b++; // <-
+c++; // ->
+} catch (d) {
+  e++;
+    f++; // <-
+g++; // ->
+} finally {
+  h++;
+    i++; // <-
+j++; // ->
+}
+
+if (array.some(function(){
+  return true;
+})) {
+a++; // ->
+  b++;
+    c++; // <-
+}
+
+var a = b.c(function() {
+      d++;
+    }),
+    e;
+
+switch (true) {
+  case (a
+  && b):
+case (c // ->
+&& d):
+    case (e // <-
+    && f):
+  case (g
+&& h):
+      var i = j; // <-
+    var k = l;
+  var m = n; // ->
+}
+
+if (a) {
+  b();
+}
+else {
+c(); // ->
+  d();
+    e(); // <-
+}
+
+if (a) b();
+else {
+c(); // ->
+  d();
+    e(); // <-
+}
+
+if (a) {
+  b();
+} else c();
+
+if (a) {
+  b();
+}
+else c();
+
+a();
+
+if( "very very long multi line" +
+      "with weird indentation" ) {
+  b();
+a(); // ->
+    c(); // <-
+}
+
+a( "very very long multi line" +
+    "with weird indentation", function() {
+  b();
+a(); // ->
+    c(); // <-
+});
+
+a = function(content, dom) {
+  b();
+    c(); // <-
+d(); // ->
+};
+
+a = function(content, dom) {
+      b();
+        c(); // <-
+    d(); // ->
+    };
+
+a = function(content, dom) {
+    b(); // ->
+    };
+
+a = function(content, dom) {
+b(); // ->
+    };
+
+a('This is a terribly long description youll ' +
+  'have to read', function () {
+  b();
+  c();
+});
+
+if (
+  array.some(function(){
+    return true;
+  })
+) {
+a++; // ->
+  b++;
+    c++; // <-
+}
+
+function c(d) {
+  return {
+    e: function(f, g) {
+    }
+  };
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      if (foo) {
+        return 5;
+      }
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      c;
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1: c;
+  }
+}
+
+function test() {
+  var a = 1;
+  {
+    a();
+  }
+}
+
+{
+  a();
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+        {
+        a();
+      }
+      break;
+    default:
+      {
+        b();
+        }
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
+
+function test(x) {
+  switch (x) {
+    case 1:
+      return function() {
+        var a = 5;
+        return a;
+      };
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
diff --git a/eslint/tests/fixtures/rules/indent-legacy/indent-valid-fixture-1.js b/eslint/tests/fixtures/rules/indent-legacy/indent-valid-fixture-1.js
new file mode 100644
index 0000000..a38932f
--- /dev/null
+++ b/eslint/tests/fixtures/rules/indent-legacy/indent-valid-fixture-1.js
@@ -0,0 +1,530 @@
+if (a) {
+  var b = c;
+  var d = e
+    * f;
+  var e = f; // <-
+// NO ERROR: DON'T VALIDATE EMPTY OR COMMENT ONLY LINES
+  function g() {
+    if (h) {
+      var i = j;
+    } // <-
+  } // <-
+
+  while (k) l++;
+  while (m) {
+    n--; // ->
+  } // <-
+
+  do {
+    o = p +
+  q; // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    o = p +
+    q;
+  } while(r); // <-
+
+  for (var s in t) {
+    u++;
+  }
+
+  for (;;) { // <- Fix this when issue #3737 gets resolved
+      v++; // <-
+    }
+
+  if ( w ) {
+    x++;
+  } else if (y) {
+    z++; // <-
+    aa++;
+  } else { // <-
+    bb++; // ->
+  } // ->
+}
+
+/**/var b; // NO ERROR: single line multi-line comments followed by code is OK
+/*
+ *
+*/ var b; // ERROR: multi-line comments followed by code is not OK
+
+var arr = [
+  a,
+  b,
+  c,
+  function (){
+    d
+  }, // <-
+  {},
+  {
+    a: b,
+    c: d,
+    d: e
+  },
+  [
+    f,
+    g,
+    h,
+    i
+  ],
+  [j]
+];
+
+var obj = {
+  a: {
+    b: {
+      c: d,
+      e: f,
+      g: h +
+    i // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    }
+  },
+  g: [
+    h,
+    i,
+    j,
+    k
+  ]
+};
+
+var arrObject = {a:[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]};
+
+var objArray = [{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}];
+
+var arrArray = [[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]];
+
+var objObject = {a:{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}};
+
+
+switch (a) {
+  case 'a':
+    var a = 'b'; // ->
+    break;
+  case 'b':
+    var a = 'b';
+    break;
+  case 'c':
+    var a = 'b'; // <-
+    break;
+  case 'd':
+    var a = 'b';
+    break; // ->
+  case 'f':
+    var a = 'b';
+    break;
+  case 'g':     {
+    var a = 'b';
+    break;
+  }
+  case 'z':
+  default:
+    break; // <-
+}
+
+a.b('hi')
+  .c(a.b()) // <-
+  .d(); // <-
+
+if ( a ) {
+  if ( b ) {
+    d.e(f) // ->
+  .g() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+  .h(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+    i.j(m)
+      .k() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+      .l(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+    n.o(p) // <-
+        .q() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+        .r(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+  }
+}
+
+var a = b,
+  c = function () {
+    h = i; // ->
+    j = k;
+    l = m; // <-
+  },
+  e = {
+    f: g,
+    n: o,
+    p: q
+  },
+  r = [
+    s,
+    t,
+    u
+  ];
+
+var a = function () {
+  b = c; // ->
+  d = e;
+  f = g; // <-
+};
+
+function c(a, b) {
+  if (a || (a &&
+            b)) { // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    return d;
+  }
+}
+
+if ( a
+  || b ) {
+  var x; // ->
+  var c,
+    d = function(a,
+                  b) {
+      a; // ->
+      b;
+      c; // <-
+    }
+}
+
+
+a({
+  d: 1
+});
+
+a(
+1
+);
+
+a(
+  b({
+    d: 1
+  })
+);
+
+a(
+  b(
+    c({
+      d: 1,
+      e: 1,
+      f: 1
+    })
+  )
+);
+
+a({ d: 1 });
+
+aa(
+   b({ // NO ERROR: aligned with previous opening paren
+     c: d,
+     e: f,
+     f: g
+   })
+);
+
+aaaaaa(
+  b,
+  c,
+  {
+    d: a
+  }
+);
+
+a(b, c,
+  d, e,
+    f, g  // NO ERROR: alignment of arguments of callExpression not checked
+  );  // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+a(
+  ); // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+aaaaaa(
+  b,
+  c, {
+    d: a
+  }, {
+    e: f
+  }
+);
+
+a.b()
+  .c(function(){
+    var a;
+  }).d.e;
+
+if (a == 'b') {
+  if (c && d) e = f
+  else g('h').i('j')
+}
+
+a = function (b, c) {
+  return a(function () {
+    var d = e
+    var f = g
+    var h = i
+
+    if (!j) k('l', (m = n))
+    if (o) p
+    else if (q) r
+  })
+}
+
+var a = function() {
+  "b"
+    .replace(/a/, "a")
+    .replace(/bc?/, function(e) {
+      return "b" + (e.f === 2 ? "c" : "f");
+    })
+    .replace(/d/, "d");
+};
+
+$(b)
+  .on('a', 'b', function() { $(c).e('f'); })
+  .on('g', 'h', function() { $(i).j('k'); });
+
+a
+  .b('c',
+           'd'); // NO ERROR: this has nothing to do with indentation, this is CallExpression spacing
+
+a
+  .b('c', [ 'd', function(e) {
+    e++;
+  }]);
+
+var a = function() {
+    a++;
+    b++; // <-
+    c++; // <-
+  },
+  b;
+
+var b = [
+    a,
+    b,
+    c
+  ],
+  c;
+
+var c = {
+    a: 1,
+    b: 2,
+    c: 3
+  },
+  d;
+
+// holes in arrays indentation
+x = [
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1
+];
+
+try {
+  a++;
+  b++; // <-
+  c++; // ->
+} catch (d) {
+  e++;
+  f++; // <-
+  g++; // ->
+} finally {
+  h++;
+  i++; // <-
+  j++; // ->
+}
+
+if (array.some(function(){
+  return true;
+})) {
+  a++; // ->
+  b++;
+  c++; // <-
+}
+
+var a = b.c(function() {
+    d++;
+  }),
+  e;
+
+switch (true) {
+  case (a
+  && b):
+  case (c // ->
+&& d):
+  case (e // <-
+    && f):
+  case (g
+&& h):
+    var i = j; // <-
+    var k = l;
+    var m = n; // ->
+}
+
+if (a) {
+  b();
+}
+else {
+  c(); // ->
+  d();
+  e(); // <-
+}
+
+if (a) b();
+else {
+  c(); // ->
+  d();
+  e(); // <-
+}
+
+if (a) {
+  b();
+} else c();
+
+if (a) {
+  b();
+}
+else c();
+
+a();
+
+if( "very very long multi line" +
+      "with weird indentation" ) {
+  b();
+  a(); // ->
+  c(); // <-
+}
+
+a( "very very long multi line" +
+    "with weird indentation", function() {
+  b();
+  a(); // ->
+  c(); // <-
+});
+
+a = function(content, dom) {
+  b();
+  c(); // <-
+  d(); // ->
+};
+
+a = function(content, dom) {
+  b();
+  c(); // <-
+  d(); // ->
+};
+
+a = function(content, dom) {
+  b(); // ->
+};
+
+a = function(content, dom) {
+  b(); // ->
+};
+
+a('This is a terribly long description youll ' +
+  'have to read', function () {
+  b();
+  c();
+});
+
+if (
+  array.some(function(){
+    return true;
+  })
+) {
+  a++; // ->
+  b++;
+  c++; // <-
+}
+
+function c(d) {
+  return {
+    e: function(f, g) {
+    }
+  };
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      if (foo) {
+        return 5;
+      }
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      c;
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1: c;
+  }
+}
+
+function test() {
+  var a = 1;
+  {
+    a();
+  }
+}
+
+{
+  a();
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      {
+          a();
+        }
+      break;
+    default:
+      {
+        b();
+      }
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
+
+function test(x) {
+  switch (x) {
+    case 1:
+      return function() {
+        var a = 5;
+        return a;
+      };
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
diff --git a/eslint/tests/fixtures/rules/indent/indent-invalid-fixture-1.js b/eslint/tests/fixtures/rules/indent/indent-invalid-fixture-1.js
new file mode 100644
index 0000000..f03507f
--- /dev/null
+++ b/eslint/tests/fixtures/rules/indent/indent-invalid-fixture-1.js
@@ -0,0 +1,530 @@
+if (a) {
+  var b = c;
+  var d = e
+    * f;
+    var e = f; // <-
+// ->
+  function g() {
+    if (h) {
+      var i = j;
+      } // <-
+    } // <-
+
+  while (k) l++;
+  while (m) {
+  n--; // ->
+    } // <-
+
+  do {
+    o = p +
+  q; // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    o = p +
+    q;
+    } while(r); // <-
+
+  for (var s in t) {
+    u++;
+  }
+
+    for (;;) {
+      v++; // <-
+  }
+
+  if ( w ) {
+    x++;
+  } else if (y) {
+      z++; // <-
+    aa++;
+    } else { // <-
+  bb++; // ->
+} // ->
+}
+
+/**/var b; // NO ERROR: single line multi-line comments followed by code is OK
+/*
+ *
+ */ var b; // NO ERROR: multi-line comments followed by code is OK
+
+var arr = [
+  a,
+  b,
+  c,
+  function (){
+    d
+    }, // <-
+  {},
+  {
+    a: b,
+    c: d,
+    d: e
+  },
+  [
+    f,
+    g,
+    h,
+    i
+  ],
+  [j]
+];
+
+var obj = {
+  a: {
+    b: {
+      c: d,
+      e: f,
+      g: h +
+    i // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    }
+  },
+  g: [
+    h,
+    i,
+    j,
+    k
+  ]
+};
+
+var arrObject = {a:[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]};
+
+var objArray = [{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}];
+
+var arrArray = [[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]];
+
+var objObject = {a:{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}};
+
+
+switch (a) {
+  case 'a':
+  var a = 'b'; // ->
+    break;
+  case 'b':
+    var a = 'b';
+    break;
+  case 'c':
+      var a = 'b'; // <-
+    break;
+  case 'd':
+    var a = 'b';
+  break; // ->
+  case 'f':
+    var a = 'b';
+    break;
+  case 'g':     {
+    var a = 'b';
+    break;
+  }
+  case 'z':
+  default:
+      break; // <-
+}
+
+a.b('hi')
+   .c(a.b()) // <-
+   .d(); // <-
+
+if ( a ) {
+  if ( b ) {
+d.e(f) // ->
+  .g() // ->
+  .h(); // ->
+
+    i.j(m)
+      .k() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+      .l(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+      n.o(p) // <-
+        .q() // <-
+        .r(); // <-
+  }
+}
+
+var a = b,
+  c = function () {
+  h = i; // ->
+    j = k;
+      l = m; // <-
+  },
+  e = {
+    f: g,
+    n: o,
+    p: q
+  },
+  r = [
+    s,
+    t,
+    u
+  ];
+
+var a = function () {
+b = c; // ->
+  d = e;
+    f = g; // <-
+};
+
+function c(a, b) {
+  if (a || (a &&
+            b)) { // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    return d;
+  }
+}
+
+if ( a
+  || b ) {
+var x; // ->
+  var c,
+    d = function(a,
+                  b) { // <-
+    a; // ->
+      b;
+        c; // <-
+    }
+}
+
+
+a({
+  d: 1
+});
+
+a(
+1
+);
+
+a(
+  b({
+    d: 1
+  })
+);
+
+a(
+  b(
+    c({
+      d: 1,
+      e: 1,
+      f: 1
+    })
+  )
+);
+
+a({ d: 1 });
+
+aa(
+   b({ // NO ERROR: CallExpression args not linted by default
+    c: d, // ->
+     e: f,
+     f: g
+  }) // ->
+);
+
+aaaaaa(
+  b,
+  c,
+  {
+    d: a
+  }
+);
+
+a(b, c,
+  d, e,
+    f, g  // NO ERROR: alignment of arguments of callExpression not checked
+  );  // <-
+
+a(
+  ); // <-
+
+aaaaaa(
+  b,
+  c, {
+    d: a
+  }, {
+    e: f
+  }
+);
+
+a.b()
+  .c(function(){
+    var a;
+  }).d.e;
+
+if (a == 'b') {
+  if (c && d) e = f
+  else g('h').i('j')
+}
+
+a = function (b, c) {
+  return a(function () {
+    var d = e
+    var f = g
+    var h = i
+
+    if (!j) k('l', (m = n))
+    if (o) p
+    else if (q) r
+  })
+}
+
+var a = function() {
+  "b"
+    .replace(/a/, "a")
+    .replace(/bc?/, function(e) {
+      return "b" + (e.f === 2 ? "c" : "f");
+    })
+    .replace(/d/, "d");
+};
+
+$(b)
+  .on('a', 'b', function() { $(c).e('f'); })
+  .on('g', 'h', function() { $(i).j('k'); });
+
+a
+  .b('c',
+           'd'); // NO ERROR: CallExpression args not linted by default
+
+a
+  .b('c', [ 'd', function(e) {
+    e++;
+  }]);
+
+var a = function() {
+      a++;
+    b++; // <-
+        c++; // <-
+    },
+    b;
+
+var b = [
+      a,
+      b,
+      c
+    ],
+    c;
+
+var c = {
+      a: 1,
+      b: 2,
+      c: 3
+    },
+    d;
+
+// holes in arrays indentation
+x = [
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1,
+ 1
+];
+
+try {
+  a++;
+    b++; // <-
+c++; // ->
+} catch (d) {
+  e++;
+    f++; // <-
+g++; // ->
+} finally {
+  h++;
+    i++; // <-
+j++; // ->
+}
+
+if (array.some(function(){
+  return true;
+})) {
+a++; // ->
+  b++;
+    c++; // <-
+}
+
+var a = b.c(function() {
+      d++;
+    }),
+    e;
+
+switch (true) {
+  case (a
+  && b):
+case (c // ->
+&& d):
+    case (e // <-
+    && f):
+  case (g
+&& h):
+      var i = j; // <-
+    var k = l;
+  var m = n; // ->
+}
+
+if (a) {
+  b();
+}
+else {
+c(); // ->
+  d();
+    e(); // <-
+}
+
+if (a) b();
+else {
+c(); // ->
+  d();
+    e(); // <-
+}
+
+if (a) {
+  b();
+} else c();
+
+if (a) {
+  b();
+}
+else c();
+
+a();
+
+if( "very very long multi line" +
+      "with weird indentation" ) {
+  b();
+a(); // ->
+    c(); // <-
+}
+
+a( "very very long multi line" +
+    "with weird indentation", function() {
+  b();
+a(); // ->
+    c(); // <-
+    }); // <-
+
+a = function(content, dom) {
+  b();
+    c(); // <-
+d(); // ->
+};
+
+a = function(content, dom) {
+      b();
+        c(); // <-
+    d(); // ->
+    };
+
+a = function(content, dom) {
+    b(); // ->
+    };
+
+a = function(content, dom) {
+b(); // ->
+    };
+
+a('This is a terribly long description youll ' +
+  'have to read', function () {
+    b(); // <-
+    c(); // <-
+  }); // <-
+
+if (
+  array.some(function(){
+    return true;
+  })
+) {
+a++; // ->
+  b++;
+    c++; // <-
+}
+
+function c(d) {
+  return {
+    e: function(f, g) {
+    }
+  };
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      if (foo) {
+        return 5;
+      }
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      c;
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1: c;
+  }
+}
+
+function test() {
+  var a = 1;
+  {
+    a();
+  }
+}
+
+{
+  a();
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+        { // <-
+      a(); // ->
+      }
+      break;
+    default:
+      {
+        b();
+        }
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
+
+function test(x) {
+  switch (x) {
+    case 1:
+      return function() {
+        var a = 5;
+        return a;
+      };
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
diff --git a/eslint/tests/fixtures/rules/indent/indent-valid-fixture-1.js b/eslint/tests/fixtures/rules/indent/indent-valid-fixture-1.js
new file mode 100644
index 0000000..5c29842
--- /dev/null
+++ b/eslint/tests/fixtures/rules/indent/indent-valid-fixture-1.js
@@ -0,0 +1,530 @@
+if (a) {
+  var b = c;
+  var d = e
+    * f;
+  var e = f; // <-
+  // ->
+  function g() {
+    if (h) {
+      var i = j;
+    } // <-
+  } // <-
+
+  while (k) l++;
+  while (m) {
+    n--; // ->
+  } // <-
+
+  do {
+    o = p +
+  q; // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    o = p +
+    q;
+  } while(r); // <-
+
+  for (var s in t) {
+    u++;
+  }
+
+  for (;;) {
+    v++; // <-
+  }
+
+  if ( w ) {
+    x++;
+  } else if (y) {
+    z++; // <-
+    aa++;
+  } else { // <-
+    bb++; // ->
+  } // ->
+}
+
+/**/var b; // NO ERROR: single line multi-line comments followed by code is OK
+/*
+ *
+ */ var b; // NO ERROR: multi-line comments followed by code is OK
+
+var arr = [
+  a,
+  b,
+  c,
+  function (){
+    d
+  }, // <-
+  {},
+  {
+    a: b,
+    c: d,
+    d: e
+  },
+  [
+    f,
+    g,
+    h,
+    i
+  ],
+  [j]
+];
+
+var obj = {
+  a: {
+    b: {
+      c: d,
+      e: f,
+      g: h +
+    i // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    }
+  },
+  g: [
+    h,
+    i,
+    j,
+    k
+  ]
+};
+
+var arrObject = {a:[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]};
+
+var objArray = [{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}];
+
+var arrArray = [[
+  a,
+  b, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c
+]];
+
+var objObject = {a:{
+  a: b,
+  b: c, // NO ERROR: INDENT ONCE WHEN MULTIPLE INDENTED EXPRESSIONS ARE ON SAME LINE
+  c: d
+}};
+
+
+switch (a) {
+  case 'a':
+    var a = 'b'; // ->
+    break;
+  case 'b':
+    var a = 'b';
+    break;
+  case 'c':
+    var a = 'b'; // <-
+    break;
+  case 'd':
+    var a = 'b';
+    break; // ->
+  case 'f':
+    var a = 'b';
+    break;
+  case 'g':     {
+    var a = 'b';
+    break;
+  }
+  case 'z':
+  default:
+    break; // <-
+}
+
+a.b('hi')
+  .c(a.b()) // <-
+  .d(); // <-
+
+if ( a ) {
+  if ( b ) {
+    d.e(f) // ->
+      .g() // ->
+      .h(); // ->
+
+    i.j(m)
+      .k() // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+      .l(); // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+
+    n.o(p) // <-
+      .q() // <-
+      .r(); // <-
+  }
+}
+
+var a = b,
+  c = function () {
+    h = i; // ->
+    j = k;
+    l = m; // <-
+  },
+  e = {
+    f: g,
+    n: o,
+    p: q
+  },
+  r = [
+    s,
+    t,
+    u
+  ];
+
+var a = function () {
+  b = c; // ->
+  d = e;
+  f = g; // <-
+};
+
+function c(a, b) {
+  if (a || (a &&
+            b)) { // NO ERROR: DON'T VALIDATE MULTILINE STATEMENTS
+    return d;
+  }
+}
+
+if ( a
+  || b ) {
+  var x; // ->
+  var c,
+    d = function(a,
+      b) { // <-
+      a; // ->
+      b;
+      c; // <-
+    }
+}
+
+
+a({
+  d: 1
+});
+
+a(
+1
+);
+
+a(
+  b({
+    d: 1
+  })
+);
+
+a(
+  b(
+    c({
+      d: 1,
+      e: 1,
+      f: 1
+    })
+  )
+);
+
+a({ d: 1 });
+
+aa(
+   b({ // NO ERROR: CallExpression args not linted by default
+     c: d, // ->
+     e: f,
+     f: g
+   }) // ->
+);
+
+aaaaaa(
+  b,
+  c,
+  {
+    d: a
+  }
+);
+
+a(b, c,
+  d, e,
+    f, g  // NO ERROR: alignment of arguments of callExpression not checked
+);  // <-
+
+a(
+); // <-
+
+aaaaaa(
+  b,
+  c, {
+    d: a
+  }, {
+    e: f
+  }
+);
+
+a.b()
+  .c(function(){
+    var a;
+  }).d.e;
+
+if (a == 'b') {
+  if (c && d) e = f
+  else g('h').i('j')
+}
+
+a = function (b, c) {
+  return a(function () {
+    var d = e
+    var f = g
+    var h = i
+
+    if (!j) k('l', (m = n))
+    if (o) p
+    else if (q) r
+  })
+}
+
+var a = function() {
+  "b"
+    .replace(/a/, "a")
+    .replace(/bc?/, function(e) {
+      return "b" + (e.f === 2 ? "c" : "f");
+    })
+    .replace(/d/, "d");
+};
+
+$(b)
+  .on('a', 'b', function() { $(c).e('f'); })
+  .on('g', 'h', function() { $(i).j('k'); });
+
+a
+  .b('c',
+           'd'); // NO ERROR: CallExpression args not linted by default
+
+a
+  .b('c', [ 'd', function(e) {
+    e++;
+  }]);
+
+var a = function() {
+    a++;
+    b++; // <-
+    c++; // <-
+  },
+  b;
+
+var b = [
+    a,
+    b,
+    c
+  ],
+  c;
+
+var c = {
+    a: 1,
+    b: 2,
+    c: 3
+  },
+  d;
+
+// holes in arrays indentation
+x = [
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1
+];
+
+try {
+  a++;
+  b++; // <-
+  c++; // ->
+} catch (d) {
+  e++;
+  f++; // <-
+  g++; // ->
+} finally {
+  h++;
+  i++; // <-
+  j++; // ->
+}
+
+if (array.some(function(){
+  return true;
+})) {
+  a++; // ->
+  b++;
+  c++; // <-
+}
+
+var a = b.c(function() {
+    d++;
+  }),
+  e;
+
+switch (true) {
+  case (a
+  && b):
+  case (c // ->
+&& d):
+  case (e // <-
+    && f):
+  case (g
+&& h):
+    var i = j; // <-
+    var k = l;
+    var m = n; // ->
+}
+
+if (a) {
+  b();
+}
+else {
+  c(); // ->
+  d();
+  e(); // <-
+}
+
+if (a) b();
+else {
+  c(); // ->
+  d();
+  e(); // <-
+}
+
+if (a) {
+  b();
+} else c();
+
+if (a) {
+  b();
+}
+else c();
+
+a();
+
+if( "very very long multi line" +
+      "with weird indentation" ) {
+  b();
+  a(); // ->
+  c(); // <-
+}
+
+a( "very very long multi line" +
+    "with weird indentation", function() {
+  b();
+  a(); // ->
+  c(); // <-
+}); // <-
+
+a = function(content, dom) {
+  b();
+  c(); // <-
+  d(); // ->
+};
+
+a = function(content, dom) {
+  b();
+  c(); // <-
+  d(); // ->
+};
+
+a = function(content, dom) {
+  b(); // ->
+};
+
+a = function(content, dom) {
+  b(); // ->
+};
+
+a('This is a terribly long description youll ' +
+  'have to read', function () {
+  b(); // <-
+  c(); // <-
+}); // <-
+
+if (
+  array.some(function(){
+    return true;
+  })
+) {
+  a++; // ->
+  b++;
+  c++; // <-
+}
+
+function c(d) {
+  return {
+    e: function(f, g) {
+    }
+  };
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      if (foo) {
+        return 5;
+      }
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      c;
+  }
+}
+
+function a(b) {
+  switch(x) {
+    case 1: c;
+  }
+}
+
+function test() {
+  var a = 1;
+  {
+    a();
+  }
+}
+
+{
+  a();
+}
+
+function a(b) {
+  switch(x) {
+    case 1:
+      { // <-
+        a(); // ->
+      }
+      break;
+    default:
+    {
+      b();
+    }
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
+
+function test(x) {
+  switch (x) {
+    case 1:
+      return function() {
+        var a = 5;
+        return a;
+      };
+  }
+}
+
+switch (a) {
+  default:
+    if (b)
+      c();
+}
diff --git a/eslint/tests/fixtures/rules/make-syntax-error-rule.js b/eslint/tests/fixtures/rules/make-syntax-error-rule.js
new file mode 100644
index 0000000..528b4b0
--- /dev/null
+++ b/eslint/tests/fixtures/rules/make-syntax-error-rule.js
@@ -0,0 +1,14 @@
+module.exports = function(context) {
+    return {
+        Program: function(node) {
+            context.report({
+                node: node,
+                message: "ERROR",
+                fix: function(fixer) {
+                    return fixer.insertTextAfter(node, "this is a syntax error.");
+                }
+            });
+        }
+    };
+};
+module.exports.schema = [];
diff --git a/eslint/tests/fixtures/rules/missing-rule.json b/eslint/tests/fixtures/rules/missing-rule.json
new file mode 100644
index 0000000..89ff74e
--- /dev/null
+++ b/eslint/tests/fixtures/rules/missing-rule.json
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "missing-rule": 1
+    }
+}
diff --git a/eslint/tests/fixtures/rules/multi-rulesdirs.json b/eslint/tests/fixtures/rules/multi-rulesdirs.json
new file mode 100644
index 0000000..8e6894e
--- /dev/null
+++ b/eslint/tests/fixtures/rules/multi-rulesdirs.json
@@ -0,0 +1,9 @@
+{
+    "globals" : {
+        "test": true
+    },
+    "rules": {
+        "no-literals": 2,
+        "no-strings": 2
+    }
+}
diff --git a/eslint/tests/fixtures/rules/not-a-rule.yml b/eslint/tests/fixtures/rules/not-a-rule.yml
new file mode 100644
index 0000000..5505c7f
--- /dev/null
+++ b/eslint/tests/fixtures/rules/not-a-rule.yml
@@ -0,0 +1 @@
+- This YAML file should be ignored when loading the rules directory.
diff --git a/eslint/tests/fixtures/rules/test-multi-rulesdirs.js b/eslint/tests/fixtures/rules/test-multi-rulesdirs.js
new file mode 100644
index 0000000..28015cf
--- /dev/null
+++ b/eslint/tests/fixtures/rules/test-multi-rulesdirs.js
@@ -0,0 +1 @@
+"Points!";
diff --git a/eslint/tests/fixtures/rules/test/test-custom-rule.js b/eslint/tests/fixtures/rules/test/test-custom-rule.js
new file mode 100644
index 0000000..3dfa193
--- /dev/null
+++ b/eslint/tests/fixtures/rules/test/test-custom-rule.js
@@ -0,0 +1,6 @@
+var test = function() {
+
+};
+
+var foo = 5;
+test(foo);
diff --git a/eslint/tests/fixtures/rules/wrong/custom-rule.js b/eslint/tests/fixtures/rules/wrong/custom-rule.js
new file mode 100644
index 0000000..9a64230
--- /dev/null
+++ b/eslint/tests/fixtures/rules/wrong/custom-rule.js
@@ -0,0 +1,5 @@
+module.exports = function() {
+
+    "use strict";
+    return (null).something;
+};
diff --git a/eslint/tests/fixtures/shebang.js b/eslint/tests/fixtures/shebang.js
new file mode 100755
index 0000000..b813576
--- /dev/null
+++ b/eslint/tests/fixtures/shebang.js
@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+/*eslint no-process-exit:0*/
+
+var cli = require("../lib/cli");
+var exitCode = cli.execute(Array.prototype.slice.call(process.argv, 2));
+process.exit(exitCode);
diff --git a/eslint/tests/fixtures/single-quoted.js b/eslint/tests/fixtures/single-quoted.js
new file mode 100644
index 0000000..8cc7aa3
--- /dev/null
+++ b/eslint/tests/fixtures/single-quoted.js
@@ -0,0 +1 @@
+console.log('bar');
diff --git a/eslint/tests/fixtures/source-code-util/.eslintignore b/eslint/tests/fixtures/source-code-util/.eslintignore
new file mode 100644
index 0000000..1615b0c
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/.eslintignore
@@ -0,0 +1 @@
+ignored.js
diff --git a/eslint/tests/fixtures/source-code-util/.eslintrc.json b/eslint/tests/fixtures/source-code-util/.eslintrc.json
new file mode 100644
index 0000000..d2eb67c
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    // This file is only to ensure no error is thrown due to lack of config.
+}
diff --git a/eslint/tests/fixtures/source-code-util/bar.js b/eslint/tests/fixtures/source-code-util/bar.js
new file mode 100644
index 0000000..df5932b
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/bar.js
@@ -0,0 +1 @@
+var bar = "string";
diff --git a/eslint/tests/fixtures/source-code-util/ext/foo.abc b/eslint/tests/fixtures/source-code-util/ext/foo.abc
new file mode 100644
index 0000000..0490ce1
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/ext/foo.abc
@@ -0,0 +1 @@
+var foo = 123;
diff --git a/eslint/tests/fixtures/source-code-util/ext/foo.js b/eslint/tests/fixtures/source-code-util/ext/foo.js
new file mode 100644
index 0000000..0490ce1
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/ext/foo.js
@@ -0,0 +1 @@
+var foo = 123;
diff --git a/eslint/tests/fixtures/source-code-util/foo.js b/eslint/tests/fixtures/source-code-util/foo.js
new file mode 100644
index 0000000..0490ce1
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/foo.js
@@ -0,0 +1 @@
+var foo = 123;
diff --git a/eslint/tests/fixtures/source-code-util/ignored.js b/eslint/tests/fixtures/source-code-util/ignored.js
new file mode 100644
index 0000000..e111908
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/ignored.js
@@ -0,0 +1 @@
+var ignored = 'sad';
diff --git a/eslint/tests/fixtures/source-code-util/jsx/foo.jsx b/eslint/tests/fixtures/source-code-util/jsx/foo.jsx
new file mode 100644
index 0000000..01a5b8c
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/jsx/foo.jsx
@@ -0,0 +1 @@
+var myDivElement = <div className="foo" />;
diff --git a/eslint/tests/fixtures/source-code-util/nested/bar.js b/eslint/tests/fixtures/source-code-util/nested/bar.js
new file mode 100644
index 0000000..df5932b
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/nested/bar.js
@@ -0,0 +1 @@
+var bar = "string";
diff --git a/eslint/tests/fixtures/source-code-util/nested/foo.js b/eslint/tests/fixtures/source-code-util/nested/foo.js
new file mode 100644
index 0000000..8975211
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/nested/foo.js
@@ -0,0 +1 @@
+var a = 42;
diff --git a/eslint/tests/fixtures/source-code-util/parse-error/parse-error.js b/eslint/tests/fixtures/source-code-util/parse-error/parse-error.js
new file mode 100644
index 0000000..90bd920
--- /dev/null
+++ b/eslint/tests/fixtures/source-code-util/parse-error/parse-error.js
@@ -0,0 +1 @@
++;
diff --git a/eslint/tests/fixtures/syntax-error.js b/eslint/tests/fixtures/syntax-error.js
new file mode 100644
index 0000000..5c21341
--- /dev/null
+++ b/eslint/tests/fixtures/syntax-error.js
@@ -0,0 +1 @@
+{}}
diff --git a/eslint/tests/fixtures/testers/rule-tester/fixes-one-problem.js b/eslint/tests/fixtures/testers/rule-tester/fixes-one-problem.js
new file mode 100644
index 0000000..9ed9ca7
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/fixes-one-problem.js
@@ -0,0 +1,23 @@
+/**
+ * @fileoverview A test rule that reports two problems and only provides a fix for one of them
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+module.exports = context => {
+    return {
+        Program(node) {
+            context.report({
+                node,
+                message: "No programs allowed."
+            });
+
+            context.report({
+                node,
+                message: "Seriously, no programs allowed.",
+                fix: fixer => fixer.remove(node)
+            });
+        }
+    }
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/messageId.js b/eslint/tests/fixtures/testers/rule-tester/messageId.js
new file mode 100644
index 0000000..d7386e3
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/messageId.js
@@ -0,0 +1,36 @@
+"use strict";
+module.exports.withMetaWithData = {
+    meta: {
+        messages: {
+            avoidFoo: "Avoid using variables named '{{ name }}'.",
+            unused: "An unused key"
+        }
+    },
+    create(context) {
+        return {
+            Identifier(node) {
+                if (node.name === "foo") {
+                    context.report({
+                        node,
+                        messageId: "avoidFoo",
+                        data: {
+                            name: "foo"
+                        }
+                    });
+                }
+            }
+        };
+    }
+};
+
+module.exports.withMessageOnly = {
+    create(context) {
+        return {
+            Identifier(node) {
+                if (node.name === "foo") {
+                    context.report({ node, message: "Avoid using variables named 'foo'."});
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-first.js b/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-first.js
new file mode 100644
index 0000000..831d4a0
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-first.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Rule which modifies AST.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    return {
+        "Program": function(node) {
+            node.body.push({
+                "type": "Identifier",
+                "name": "modified",
+                "range": [0, 8],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 0
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 8
+                    }
+                }
+            });
+        },
+
+        "Identifier": function(node) {
+            if (node.name === "bar") {
+                context.report({message: "error", node: node});
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-last.js b/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-last.js
new file mode 100644
index 0000000..f093b19
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/modify-ast-at-last.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Rule which modifies AST.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    return {
+        "Program:exit": function(node) {
+            node.body.push({
+                "type": "Identifier",
+                "name": "modified",
+                "range": [0, 8],
+                "loc": {
+                    "start": {
+                        "line": 1,
+                        "column": 0
+                    },
+                    "end": {
+                        "line": 1,
+                        "column": 8
+                    }
+                }
+            });
+        },
+
+        "Identifier": function(node) {
+            if (node.name === "bar") {
+                context.report({message: "error", node: node});
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/modify-ast.js b/eslint/tests/fixtures/testers/rule-tester/modify-ast.js
new file mode 100644
index 0000000..82a7c48
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/modify-ast.js
@@ -0,0 +1,22 @@
+/**
+ * @fileoverview Rule which modifies AST.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    return {
+        "Identifier": function(node) {
+            node.name += "!";
+
+            if (node.name === "bar!") {
+                context.report({message: "error", node: node});
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-eval.js b/eslint/tests/fixtures/testers/rule-tester/no-eval.js
new file mode 100644
index 0000000..0d57cb6
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-eval.js
@@ -0,0 +1,22 @@
+/**
+ * @fileoverview Rule to flag use of eval() statement
+ * @author Nicholas C. Zakas
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+
+    "use strict";
+
+    return {
+        "CallExpression": function(node) {
+            if (node.callee.name === "eval") {
+                context.report(node, "eval sucks.");
+            }
+        }
+    };
+
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-invalid-args.js b/eslint/tests/fixtures/testers/rule-tester/no-invalid-args.js
new file mode 100644
index 0000000..4c2e701
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-invalid-args.js
@@ -0,0 +1,22 @@
+/**
+ * @fileoverview Test rule to flag invalid args
+ * @author Mathias Schreck
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    var config = context.options[0];
+
+    return {
+        "Program": function(node) {
+            if (config === true) {
+                context.report(node, "Invalid args");
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-invalid-schema.js b/eslint/tests/fixtures/testers/rule-tester/no-invalid-schema.js
new file mode 100644
index 0000000..fdf290d
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-invalid-schema.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Test rule to flag invalid schemas
+ * @author Brandon Mills
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    var config = context.options[0];
+
+    return {
+        "Program": function(node) {
+            if (config) {
+                context.report(node, "Expected nothing.");
+            }
+        }
+    };
+};
+
+module.exports.schema = [
+    {
+        "enum": []
+    }
+];
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-schema-violation.js b/eslint/tests/fixtures/testers/rule-tester/no-schema-violation.js
new file mode 100644
index 0000000..2a9f65e
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-schema-violation.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Test rule to flag schema violations
+ * @author Brandon Mills
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    var config = context.options[0];
+
+    return {
+        "Program": function(node) {
+            if (config && config !== "foo") {
+                context.report(node, "Expected foo.");
+            }
+        }
+    };
+};
+
+module.exports.schema = [
+    {
+        "enum": ["foo"]
+    }
+];
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-test-filename b/eslint/tests/fixtures/testers/rule-tester/no-test-filename
new file mode 100644
index 0000000..752c41f
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-test-filename
@@ -0,0 +1,20 @@
+/**
+ * @fileoverview Test rule to flag if the filename is missing;
+ * @author Stefan Lau
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    return {
+        "Program": function(node) {
+            if (context.getFilename() === '<input>') {
+                context.report(node, "Filename test was not defined.");
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-test-global.js b/eslint/tests/fixtures/testers/rule-tester/no-test-global.js
new file mode 100644
index 0000000..b5fa4c3
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-test-global.js
@@ -0,0 +1,27 @@
+/**
+ * @fileoverview Test rule to flag if the global var `test` is missing;
+ * @author Mathias Schreck
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    return {
+        "Program": function(node) {
+            var globals = context.getScope().variables.map(function (variable) {
+                return variable.name;
+            });
+
+            if (globals.indexOf("test") === -1) {
+                context.report(node, "Global variable test was not defined.");
+            }
+            if (globals.indexOf("foo") !== -1) {
+                context.report(node, "Global variable foo should not be used.");
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-test-settings.js b/eslint/tests/fixtures/testers/rule-tester/no-test-settings.js
new file mode 100644
index 0000000..07ecfa7
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-test-settings.js
@@ -0,0 +1,20 @@
+/**
+ * @fileoverview Test rule to flag if the settings var `test` is missing;
+ * @author Ilya Volodin
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+    "use strict";
+
+    return {
+        "Program": function(node) {
+            if (!context.settings || !context.settings.test) {
+                context.report(node, "Global settings test was not defined.");
+            }
+        }
+    };
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/no-var.js b/eslint/tests/fixtures/testers/rule-tester/no-var.js
new file mode 100644
index 0000000..3828856
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/no-var.js
@@ -0,0 +1,33 @@
+/**
+ * @fileoverview Rule to remove var statement
+ * @author Nicholas C. Zakas
+ */
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+
+    "use strict";
+
+
+    var sourceCode = context.getSourceCode();
+
+    return {
+
+        "VariableDeclaration": function(node) {
+            if (node.kind === "var") {
+                context.report({
+                    node: node,
+                    loc: sourceCode.getFirstToken(node).loc,
+                    message: "Bad var.",
+                    fix: function(fixer) {
+                        return fixer.remove(sourceCode.getFirstToken(node));
+                    }
+                })
+            }
+        }
+    };
+
+};
diff --git a/eslint/tests/fixtures/testers/rule-tester/suggestions.js b/eslint/tests/fixtures/testers/rule-tester/suggestions.js
new file mode 100644
index 0000000..df97e6d
--- /dev/null
+++ b/eslint/tests/fixtures/testers/rule-tester/suggestions.js
@@ -0,0 +1,60 @@
+"use strict";
+
+module.exports.basic = {
+    create(context) {
+        return {
+            Identifier(node) {
+                if (node.name === "foo") {
+                    context.report({
+                        node,
+                        message: "Avoid using identifiers named 'foo'.",
+                        suggest: [{
+                            desc: "Rename identifier 'foo' to 'bar'",
+                            fix: fixer => fixer.replaceText(node, 'bar')
+                        }]
+                    });
+                }
+            }
+        };
+    }
+};
+
+module.exports.withMessageIds = {
+    meta: {
+        messages: {
+            avoidFoo: "Avoid using identifiers named '{{ name }}'.",
+            unused: "An unused key",
+            renameFoo: "Rename identifier 'foo' to '{{ newName }}'"
+        }
+    },
+    create(context) {
+        return {
+            Identifier(node) {
+                if (node.name === "foo") {
+                    context.report({
+                        node,
+                        messageId: "avoidFoo",
+                        data: {
+                            name: "foo"
+                        },
+                        suggest: [{
+                            messageId: "renameFoo",
+                            data: {
+                                newName: "bar"
+                            },
+                            fix: fixer => fixer.replaceText(node, "bar")
+                        }, {
+                            messageId: "renameFoo",
+                            data: {
+                                newName: "baz"
+                            },
+                            fix: fixer => fixer.replaceText(node, "baz")
+                        }]
+                    });
+                }
+            }
+        };
+    }
+};
+
+
diff --git a/eslint/tests/fixtures/traverse/.hidden_dir/dummy.js b/eslint/tests/fixtures/traverse/.hidden_dir/dummy.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/traverse/.hidden_file.js b/eslint/tests/fixtures/traverse/.hidden_file.js
new file mode 100644
index 0000000..e69de29
diff --git a/eslint/tests/fixtures/traverse/found.js b/eslint/tests/fixtures/traverse/found.js
new file mode 100644
index 0000000..50948c7
--- /dev/null
+++ b/eslint/tests/fixtures/traverse/found.js
@@ -0,0 +1 @@
+'test.js'
\ No newline at end of file
diff --git a/eslint/tests/fixtures/traverse/found.js2 b/eslint/tests/fixtures/traverse/found.js2
new file mode 100644
index 0000000..9a26d12
--- /dev/null
+++ b/eslint/tests/fixtures/traverse/found.js2
@@ -0,0 +1 @@
+'test.js'
diff --git a/eslint/tests/fixtures/undef.js b/eslint/tests/fixtures/undef.js
new file mode 100644
index 0000000..e87c7c4
--- /dev/null
+++ b/eslint/tests/fixtures/undef.js
@@ -0,0 +1,2 @@
+var bar = baz;
+bat = bar;
diff --git a/eslint/tests/fixtures/unmatched-patterns/failing.js b/eslint/tests/fixtures/unmatched-patterns/failing.js
new file mode 100644
index 0000000..e24993f
--- /dev/null
+++ b/eslint/tests/fixtures/unmatched-patterns/failing.js
@@ -0,0 +1,3 @@
+var foo = "bar";
+if (foo) {
+    foo = "bar2";
diff --git a/eslint/tests/fixtures/unmatched-patterns/passing.js2 b/eslint/tests/fixtures/unmatched-patterns/passing.js2
new file mode 100644
index 0000000..425be7c
--- /dev/null
+++ b/eslint/tests/fixtures/unmatched-patterns/passing.js2
@@ -0,0 +1,5 @@
+let foo = "bar";
+
+if (foo) {
+    foo = "bar2";
+}
diff --git a/eslint/tests/fixtures/utf8-bom.js b/eslint/tests/fixtures/utf8-bom.js
new file mode 100644
index 0000000..4c17d77
--- /dev/null
+++ b/eslint/tests/fixtures/utf8-bom.js
@@ -0,0 +1,3 @@
+"use strict";
+
+console.log("This file has [0xEF, 0xBB, 0xBF] as BOM.");
diff --git a/eslint/tests/lib/_utils.js b/eslint/tests/lib/_utils.js
new file mode 100644
index 0000000..76e973c
--- /dev/null
+++ b/eslint/tests/lib/_utils.js
@@ -0,0 +1,76 @@
+/**
+ * @fileoverview utils for rule tests.
+ * @author 唯然<weiran.zsd@outlook.com>
+ */
+
+"use strict";
+
+const path = require("path");
+const { Volume, createFsFromVolume } = require("memfs");
+
+/**
+ * Prevents leading spaces in a multiline template literal from appearing in the resulting string
+ * @param {string[]} strings The strings in the template literal
+ * @param {any[]} values The interpolation values in the template literal.
+ * @returns {string} The template literal, with spaces removed from all lines
+ */
+function unIndent(strings, ...values) {
+    const text = strings
+        .map((s, i) => (i === 0 ? s : values[i - 1] + s))
+        .join("");
+    const lines = text.replace(/^\n/u, "").replace(/\n\s*$/u, "").split("\n");
+    const lineIndents = lines.filter(line => line.trim()).map(line => line.match(/ */u)[0].length);
+    const minLineIndent = Math.min(...lineIndents);
+
+    return lines.map(line => line.slice(minLineIndent)).join("\n");
+}
+
+/**
+ * Define in-memory file system.
+ * @param {Object} options The options.
+ * @param {() => string} [options.cwd] The current working directory.
+ * @param {Object} [options.files] The initial files definition in the in-memory file system.
+ * @returns {import("fs")} The stubbed `ConfigArrayFactory` class.
+ */
+function defineInMemoryFs({
+    cwd = process.cwd,
+    files = {}
+} = {}) {
+
+    /**
+     * The in-memory file system for this mock.
+     * @type {import("fs")}
+     */
+    const fs = createFsFromVolume(new Volume());
+
+    fs.mkdirSync(cwd(), { recursive: true });
+
+    /*
+     * Write all files to the in-memory file system and compile all JavaScript
+     * files then set to `stubs`.
+     */
+    (function initFiles(directoryPath, definition) {
+        for (const [filename, content] of Object.entries(definition)) {
+            const filePath = path.resolve(directoryPath, filename);
+            const parentPath = path.dirname(filePath);
+
+            if (typeof content === "object") {
+                initFiles(filePath, content);
+            } else if (typeof content === "string") {
+                if (!fs.existsSync(parentPath)) {
+                    fs.mkdirSync(parentPath, { recursive: true });
+                }
+                fs.writeFileSync(filePath, content);
+            } else {
+                throw new Error(`Invalid content: ${typeof content}`);
+            }
+        }
+    }(cwd(), files));
+
+    return fs;
+}
+
+module.exports = {
+    defineInMemoryFs,
+    unIndent
+};
diff --git a/eslint/tests/lib/api.js b/eslint/tests/lib/api.js
new file mode 100644
index 0000000..f943f52
--- /dev/null
+++ b/eslint/tests/lib/api.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Tests for api.
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+const assert = require("chai").assert,
+    api = require("../../lib/api");
+
+describe("api", () => {
+
+    it("should have RuleTester exposed", () => {
+        assert.isFunction(api.RuleTester);
+    });
+
+    it("should have CLIEngine exposed", () => {
+        assert.isFunction(api.CLIEngine);
+    });
+
+    it("should have linter exposed", () => {
+        assert.isObject(api.linter);
+    });
+
+    it("should have SourceCode exposed", () => {
+        assert.isFunction(api.SourceCode);
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/_utils.js b/eslint/tests/lib/cli-engine/_utils.js
new file mode 100644
index 0000000..1d1bcd2
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/_utils.js
@@ -0,0 +1,446 @@
+/**
+ * @fileoverview Define classes what use the in-memory file system.
+ *
+ * This provides utilities to test `ConfigArrayFactory`,
+ * `CascadingConfigArrayFactory`, `FileEnumerator`, and `CLIEngine`.
+ *
+ * - `defineConfigArrayFactoryWithInMemoryFileSystem({ cwd, files })`
+ * - `defineCascadingConfigArrayFactoryWithInMemoryFileSystem({ cwd, files })`
+ * - `defineFileEnumeratorWithInMemoryFileSystem({ cwd, files })`
+ * - `defineCLIEngineWithInMemoryFileSystem({ cwd, files })`
+ *
+ * Those functions define correspond classes with the in-memory file system.
+ * Those search config files, parsers, and plugins in the `files` option via the
+ * in-memory file system.
+ *
+ * For each test case, it makes more readable if we define minimal files the
+ * test case requires.
+ *
+ * For example:
+ *
+ * ```js
+ * const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+ *     files: {
+ *         "node_modules/eslint-config-foo/index.js": `
+ *             module.exports = {
+ *                 parser: "./parser",
+ *                 rules: {
+ *                     "no-undef": "error"
+ *                 }
+ *             }
+ *         `,
+ *         "node_modules/eslint-config-foo/parser.js": `
+ *             module.exports = {
+ *                 parse() {}
+ *             }
+ *         `,
+ *         ".eslintrc.json": JSON.stringify({ root: true, extends: "foo" })
+ *     }
+ * });
+ * const factory = new ConfigArrayFactory();
+ * const config = factory.loadFile(".eslintrc.json");
+ *
+ * assert(config[0].name === ".eslintrc.json » eslint-config-foo");
+ * assert(config[0].filePath === path.resolve("node_modules/eslint-config-foo/index.js"));
+ * assert(config[0].parser.filePath === path.resolve("node_modules/eslint-config-foo/parser.js"));
+ *
+ * assert(config[1].name === ".eslintrc.json");
+ * assert(config[1].filePath === path.resolve(".eslintrc.json"));
+ * assert(config[1].root === true);
+ * ```
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const path = require("path");
+const vm = require("vm");
+const Proxyquire = require("proxyquire/lib/proxyquire");
+const { defineInMemoryFs } = require("../_utils");
+
+const CascadingConfigArrayFactoryPath =
+    require.resolve("../../../lib/cli-engine/cascading-config-array-factory");
+const CLIEnginePath =
+    require.resolve("../../../lib/cli-engine/cli-engine");
+const ConfigArrayFactoryPath =
+    require.resolve("../../../lib/cli-engine/config-array-factory");
+const FileEnumeratorPath =
+    require.resolve("../../../lib/cli-engine/file-enumerator");
+const LoadRulesPath =
+    require.resolve("../../../lib/cli-engine/load-rules");
+const ESLintAllPath =
+    require.resolve("../../../conf/eslint-all");
+const ESLintRecommendedPath =
+    require.resolve("../../../conf/eslint-recommended");
+
+// Ensure the needed files has been loaded and cached.
+require(CascadingConfigArrayFactoryPath);
+require(CLIEnginePath);
+require(ConfigArrayFactoryPath);
+require(FileEnumeratorPath);
+require(LoadRulesPath);
+require("js-yaml");
+require("espree");
+
+// Override `_require` in order to throw runtime errors in stubs.
+const ERRORED = Symbol("errored");
+const proxyquire = new class extends Proxyquire {
+    _require(...args) {
+        const retv = super._require(...args); // eslint-disable-line no-underscore-dangle
+
+        if (retv[ERRORED]) {
+            throw retv[ERRORED];
+        }
+        return retv;
+    }
+}(module).noCallThru().noPreserveCache();
+
+// Separated (sandbox) context to compile fixture files.
+const context = vm.createContext();
+
+/**
+ * Check if a given path is an existing file.
+ * @param {import("fs")} fs The file system.
+ * @param {string} filePath Tha path to a file to check.
+ * @returns {boolean} `true` if the file existed.
+ */
+function isExistingFile(fs, filePath) {
+    try {
+        return fs.statSync(filePath).isFile();
+    } catch (error) {
+        return false;
+    }
+}
+
+/**
+ * Get some paths to test.
+ * @param {string} prefix The prefix to try.
+ * @returns {string[]} The paths to test.
+ */
+function getTestPaths(prefix) {
+    return [
+        path.join(prefix),
+        path.join(`${prefix}.js`),
+        path.join(prefix, "index.js")
+    ];
+}
+
+/**
+ * Iterate the candidate paths of a given request to resolve.
+ * @param {string} request Tha package name or file path to resolve.
+ * @param {string} relativeTo Tha path to the file what called this resolving.
+ * @returns {IterableIterator<string>} The candidate paths.
+ */
+function *iterateCandidatePaths(request, relativeTo) {
+    if (path.isAbsolute(request)) {
+        yield* getTestPaths(request);
+        return;
+    }
+    if (/^\.{1,2}[/\\]/u.test(request)) {
+        yield* getTestPaths(path.resolve(path.dirname(relativeTo), request));
+        return;
+    }
+
+    let prevPath = path.resolve(relativeTo);
+    let dirPath = path.dirname(prevPath);
+
+    while (dirPath && dirPath !== prevPath) {
+        yield* getTestPaths(path.join(dirPath, "node_modules", request));
+        prevPath = dirPath;
+        dirPath = path.dirname(dirPath);
+    }
+}
+
+/**
+ * Resolve a given module name or file path relatively in the given file system.
+ * @param {import("fs")} fs The file system.
+ * @param {string} request Tha package name or file path to resolve.
+ * @param {string} relativeTo Tha path to the file what called this resolving.
+ * @returns {void}
+ */
+function fsResolve(fs, request, relativeTo) {
+    for (const filePath of iterateCandidatePaths(request, relativeTo)) {
+        if (isExistingFile(fs, filePath)) {
+            return filePath;
+        }
+    }
+
+    throw Object.assign(
+        new Error(`Cannot find module '${request}'`),
+        { code: "MODULE_NOT_FOUND" }
+    );
+}
+
+/**
+ * Compile a JavaScript file.
+ * This is used to compile only fixture files, so this is minimam.
+ * @param {import("fs")} fs The file system.
+ * @param {Object} stubs The stubs.
+ * @param {string} filePath The path to a JavaScript file to compile.
+ * @param {string} content The source code to compile.
+ * @returns {any} The exported value.
+ */
+function compile(fs, stubs, filePath, content) {
+    const code = `(function(exports, require, module, __filename, __dirname) { ${content} })`;
+    const f = vm.runInContext(code, context);
+    const exports = {};
+    const module = { exports };
+
+    f.call(
+        exports,
+        exports,
+        request => {
+            const modulePath = fsResolve(fs, request, filePath);
+            const stub = stubs[modulePath];
+
+            if (stub[ERRORED]) {
+                throw stub[ERRORED];
+            }
+            return stub;
+        },
+        module,
+        filePath,
+        path.dirname(filePath)
+    );
+
+    return module.exports;
+}
+
+/**
+ * Import a given file path in the given file system.
+ * @param {import("fs")} fs The file system.
+ * @param {Object} stubs The stubs.
+ * @param {string} absolutePath Tha file path to import.
+ * @returns {void}
+ */
+function fsImportFresh(fs, stubs, absolutePath) {
+    if (absolutePath === ESLintAllPath) {
+        return require(ESLintAllPath);
+    }
+    if (absolutePath === ESLintRecommendedPath) {
+        return require(ESLintRecommendedPath);
+    }
+
+    if (fs.existsSync(absolutePath)) {
+        return compile(
+            fs,
+            stubs,
+            absolutePath,
+            fs.readFileSync(absolutePath, "utf8")
+        );
+    }
+
+    throw Object.assign(
+        new Error(`Cannot find module '${absolutePath}'`),
+        { code: "MODULE_NOT_FOUND" }
+    );
+}
+
+/**
+ * Define stubbed `ConfigArrayFactory` class what uses the in-memory file system.
+ * @param {Object} options The options.
+ * @param {() => string} [options.cwd] The current working directory.
+ * @param {Object} [options.files] The initial files definition in the in-memory file system.
+ * @returns {{ fs: import("fs"), RelativeModuleResolver: import("../../../lib/shared/relative-module-resolver"), ConfigArrayFactory: import("../../../lib/cli-engine/config-array-factory")["ConfigArrayFactory"] }} The stubbed `ConfigArrayFactory` class.
+ */
+function defineConfigArrayFactoryWithInMemoryFileSystem({
+    cwd = process.cwd,
+    files = {}
+} = {}) {
+    const fs = defineInMemoryFs({ cwd, files });
+    const RelativeModuleResolver = { resolve: fsResolve.bind(null, fs) };
+
+    /*
+     * Stubs for proxyquire.
+     * This contains the JavaScript files in `options.files`.
+     */
+    const stubs = {};
+
+    stubs.fs = fs;
+    stubs["import-fresh"] = fsImportFresh.bind(null, fs, stubs);
+    stubs["../shared/relative-module-resolver"] = RelativeModuleResolver;
+
+    /*
+     * Write all files to the in-memory file system and compile all JavaScript
+     * files then set to `stubs`.
+     */
+    (function initFiles(directoryPath, definition) {
+        for (const [filename, content] of Object.entries(definition)) {
+            const filePath = path.resolve(directoryPath, filename);
+
+            if (typeof content === "object") {
+                initFiles(filePath, content);
+                continue;
+            }
+
+            /*
+             * Compile then stub if this file is a JavaScript file.
+             * For parsers and plugins that `require()` will import.
+             */
+            if (path.extname(filePath) === ".js") {
+                Object.defineProperty(stubs, filePath, {
+                    configurable: true,
+                    enumerable: true,
+                    get() {
+                        let stub;
+
+                        try {
+                            stub = compile(fs, stubs, filePath, content);
+                        } catch (error) {
+                            stub = { [ERRORED]: error };
+                        }
+                        Object.defineProperty(stubs, filePath, {
+                            configurable: true,
+                            enumerable: true,
+                            value: stub
+                        });
+
+                        return stub;
+                    }
+                });
+            }
+        }
+    }(cwd(), files));
+
+    // Load the stubbed one.
+    const { ConfigArrayFactory } = proxyquire(ConfigArrayFactoryPath, stubs);
+
+    // Override the default cwd.
+    return {
+        fs,
+        stubs,
+        RelativeModuleResolver,
+        ConfigArrayFactory: cwd === process.cwd
+            ? ConfigArrayFactory
+            : class extends ConfigArrayFactory {
+                constructor(options) {
+                    super({ cwd: cwd(), ...options });
+                }
+            }
+    };
+}
+
+/**
+ * Define stubbed `CascadingConfigArrayFactory` class what uses the in-memory file system.
+ * @param {Object} options The options.
+ * @param {() => string} [options.cwd] The current working directory.
+ * @param {Object} [options.files] The initial files definition in the in-memory file system.
+ * @returns {{ fs: import("fs"), RelativeModuleResolver: import("../../../lib/shared/relative-module-resolver"), ConfigArrayFactory: import("../../../lib/cli-engine/config-array-factory")["ConfigArrayFactory"], CascadingConfigArrayFactory: import("../../../lib/cli-engine/cascading-config-array-factory")["CascadingConfigArrayFactory"] }} The stubbed `CascadingConfigArrayFactory` class.
+ */
+function defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+    cwd = process.cwd,
+    files = {}
+} = {}) {
+    const { fs, stubs, RelativeModuleResolver, ConfigArrayFactory } =
+           defineConfigArrayFactoryWithInMemoryFileSystem({ cwd, files });
+    const loadRules = proxyquire(LoadRulesPath, stubs);
+    const { CascadingConfigArrayFactory } =
+        proxyquire(CascadingConfigArrayFactoryPath, {
+            "./config-array-factory": { ConfigArrayFactory },
+            "./load-rules": loadRules
+        });
+
+    // Override the default cwd.
+    return {
+        fs,
+        RelativeModuleResolver,
+        ConfigArrayFactory,
+        CascadingConfigArrayFactory: cwd === process.cwd
+            ? CascadingConfigArrayFactory
+            : class extends CascadingConfigArrayFactory {
+                constructor(options) {
+                    super({ cwd: cwd(), ...options });
+                }
+            }
+    };
+}
+
+/**
+ * Define stubbed `FileEnumerator` class what uses the in-memory file system.
+ * @param {Object} options The options.
+ * @param {() => string} [options.cwd] The current working directory.
+ * @param {Object} [options.files] The initial files definition in the in-memory file system.
+ * @returns {{ fs: import("fs"), RelativeModuleResolver: import("../../../lib/shared/relative-module-resolver"), ConfigArrayFactory: import("../../../lib/cli-engine/config-array-factory")["ConfigArrayFactory"], CascadingConfigArrayFactory: import("../../../lib/cli-engine/cascading-config-array-factory")["CascadingConfigArrayFactory"], FileEnumerator: import("../../../lib/cli-engine/file-enumerator")["FileEnumerator"] }} The stubbed `FileEnumerator` class.
+ */
+function defineFileEnumeratorWithInMemoryFileSystem({
+    cwd = process.cwd,
+    files = {}
+} = {}) {
+    const {
+        fs,
+        RelativeModuleResolver,
+        ConfigArrayFactory,
+        CascadingConfigArrayFactory
+    } =
+        defineCascadingConfigArrayFactoryWithInMemoryFileSystem({ cwd, files });
+    const { FileEnumerator } = proxyquire(FileEnumeratorPath, {
+        fs,
+        "./cascading-config-array-factory": { CascadingConfigArrayFactory }
+    });
+
+    // Override the default cwd.
+    return {
+        fs,
+        RelativeModuleResolver,
+        ConfigArrayFactory,
+        CascadingConfigArrayFactory,
+        FileEnumerator: cwd === process.cwd
+            ? FileEnumerator
+            : class extends FileEnumerator {
+                constructor(options) {
+                    super({ cwd: cwd(), ...options });
+                }
+            }
+    };
+}
+
+/**
+ * Define stubbed `CLIEngine` class what uses the in-memory file system.
+ * @param {Object} options The options.
+ * @param {() => string} [options.cwd] The current working directory.
+ * @param {Object} [options.files] The initial files definition in the in-memory file system.
+ * @returns {{ fs: import("fs"), RelativeModuleResolver: import("../../../lib/shared/relative-module-resolver"), ConfigArrayFactory: import("../../../lib/cli-engine/config-array-factory")["ConfigArrayFactory"], CascadingConfigArrayFactory: import("../../../lib/cli-engine/cascading-config-array-factory")["CascadingConfigArrayFactory"], FileEnumerator: import("../../../lib/cli-engine/file-enumerator")["FileEnumerator"], CLIEngine: import("../../../lib/cli-engine/cli-engine")["CLIEngine"], getCLIEngineInternalSlots: import("../../../lib/cli-engine/cli-engine")["getCLIEngineInternalSlots"] }} The stubbed `CLIEngine` class.
+ */
+function defineCLIEngineWithInMemoryFileSystem({
+    cwd = process.cwd,
+    files = {}
+} = {}) {
+    const {
+        fs,
+        RelativeModuleResolver,
+        ConfigArrayFactory,
+        CascadingConfigArrayFactory,
+        FileEnumerator
+    } =
+        defineFileEnumeratorWithInMemoryFileSystem({ cwd, files });
+    const { CLIEngine, getCLIEngineInternalSlots } = proxyquire(CLIEnginePath, {
+        fs,
+        "./cascading-config-array-factory": { CascadingConfigArrayFactory },
+        "./file-enumerator": { FileEnumerator },
+        "../shared/relative-module-resolver": RelativeModuleResolver
+    });
+
+    // Override the default cwd.
+    return {
+        fs,
+        RelativeModuleResolver,
+        ConfigArrayFactory,
+        CascadingConfigArrayFactory,
+        FileEnumerator,
+        CLIEngine: cwd === process.cwd
+            ? CLIEngine
+            : class extends CLIEngine {
+                constructor(options) {
+                    super({ cwd: cwd(), ...options });
+                }
+            },
+        getCLIEngineInternalSlots
+    };
+}
+
+module.exports = {
+    defineConfigArrayFactoryWithInMemoryFileSystem,
+    defineCascadingConfigArrayFactoryWithInMemoryFileSystem,
+    defineFileEnumeratorWithInMemoryFileSystem,
+    defineCLIEngineWithInMemoryFileSystem
+};
diff --git a/eslint/tests/lib/cli-engine/cascading-config-array-factory.js b/eslint/tests/lib/cli-engine/cascading-config-array-factory.js
new file mode 100644
index 0000000..f981771
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/cascading-config-array-factory.js
@@ -0,0 +1,1601 @@
+/**
+ * @fileoverview Tests for CascadingConfigArrayFactory class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const { assert } = require("chai");
+const sh = require("shelljs");
+const sinon = require("sinon");
+const { ConfigArrayFactory } = require("../../../lib/cli-engine/config-array-factory");
+const { ExtractedConfig } = require("../../../lib/cli-engine/config-array/extracted-config");
+const { defineCascadingConfigArrayFactoryWithInMemoryFileSystem } = require("./_utils");
+
+/** @typedef {InstanceType<ReturnType<defineCascadingConfigArrayFactoryWithInMemoryFileSystem>["CascadingConfigArrayFactory"]>} CascadingConfigArrayFactory */
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+
+const cwdIgnorePatterns = new ConfigArrayFactory()
+    .loadDefaultESLintIgnore()[0]
+    .ignorePattern
+    .patterns;
+
+describe("CascadingConfigArrayFactory", () => {
+    describe("'getConfigArrayForFile(filePath)' method should retrieve the proper configuration.", () => {
+        describe("with three directories ('lib', 'lib/nested', 'test') that contains 'one.js' and 'two.js'", () => {
+            const root = path.join(os.tmpdir(), "eslint/cli-engine/cascading-config-array-factory");
+            const files = {
+                /* eslint-disable quote-props */
+                "lib": {
+                    "nested": {
+                        "one.js": "",
+                        "two.js": "",
+                        "parser.js": "",
+                        ".eslintrc.yml": "parser: './parser'"
+                    },
+                    "one.js": "",
+                    "two.js": ""
+                },
+                "test": {
+                    "one.js": "",
+                    "two.js": "",
+                    ".eslintrc.yml": "env: { mocha: true }"
+                },
+                ".eslintignore": "/lib/nested/parser.js",
+                ".eslintrc.json": JSON.stringify({
+                    rules: {
+                        "no-undef": "error",
+                        "no-unused-vars": "error"
+                    }
+                })
+                /* eslint-enable quote-props */
+            };
+            const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({ cwd: () => root, files });
+
+            /** @type {CascadingConfigArrayFactory} */
+            let factory;
+
+            beforeEach(() => {
+                factory = new CascadingConfigArrayFactory();
+            });
+
+            it("should retrieve the config '.eslintrc.json' if 'lib/one.js' was given.", () => {
+                const config = factory.getConfigArrayForFile("lib/one.js");
+
+                assert.strictEqual(config.length, 3);
+                assert.strictEqual(config[0].name, "DefaultIgnorePattern");
+                assert.strictEqual(config[1].filePath, path.join(root, ".eslintrc.json"));
+                assert.strictEqual(config[2].filePath, path.join(root, ".eslintignore"));
+            });
+
+            it("should retrieve the merged config of '.eslintrc.json' and 'lib/nested/.eslintrc.yml' if 'lib/nested/one.js' was given.", () => {
+                const config = factory.getConfigArrayForFile("lib/nested/one.js");
+
+                assert.strictEqual(config.length, 4);
+                assert.strictEqual(config[0].name, "DefaultIgnorePattern");
+                assert.strictEqual(config[1].filePath, path.join(root, ".eslintrc.json"));
+                assert.strictEqual(config[2].filePath, path.join(root, "lib/nested/.eslintrc.yml"));
+                assert.strictEqual(config[3].filePath, path.join(root, ".eslintignore"));
+            });
+
+            it("should retrieve the config '.eslintrc.json' if 'lib/non-exist.js' was given.", () => {
+                const config = factory.getConfigArrayForFile("lib/non-exist.js");
+
+                assert.strictEqual(config.length, 3);
+                assert.strictEqual(config[0].name, "DefaultIgnorePattern");
+                assert.strictEqual(config[1].filePath, path.join(root, ".eslintrc.json"));
+                assert.strictEqual(config[2].filePath, path.join(root, ".eslintignore"));
+            });
+        });
+
+        describe("deprecation warnings", () => {
+            let uid = 0;
+            let uniqueHomeDirName = "";
+            let homeDir = "";
+            let cwd = "";
+
+            /** @type {{code:string, message:string}[]} */
+            let warnings = [];
+
+            /** @type {CascadingConfigArrayFactory} */
+            let factory = null;
+
+            /** @type {ConfigArray} */
+            let config = null;
+
+            /**
+             * Store a reported warning object if that code starts with `ESLINT_`.
+             * @param {{code:string, message:string}} w The warning object to store.
+             * @returns {void}
+             */
+            function onWarning(w) {
+                if (w.code.startsWith("ESLINT_")) {
+                    warnings.push({ code: w.code, message: w.message });
+                }
+            }
+
+            /**
+             * Delay to wait for 'warning' events.
+             * @returns {Promise<void>} The promise that will be fulfilled after wait a timer.
+             */
+            function delay() {
+                return new Promise(resolve => setTimeout(resolve, 0));
+            }
+
+            beforeEach(() => {
+                uniqueHomeDirName = `home_${++uid}`;
+                homeDir = path.join(__dirname, `../../../${uniqueHomeDirName}`);
+                warnings = [];
+                sinon.stub(os, "homedir").returns(homeDir);
+                process.on("warning", onWarning);
+            });
+            afterEach(() => {
+                os.homedir.restore();
+                process.removeListener("warning", onWarning);
+            });
+
+            describe("when '~/.eslintrc.json' exists and CWD is `~/`", () => {
+                beforeEach(() => {
+                    cwd = homeDir;
+                    const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                        cwd: () => cwd,
+                        files: {
+
+                            // ~/.eslintrc.json
+                            ".eslintrc.json": JSON.stringify({ rules: { eqeqeq: "error" } }),
+
+                            // other files
+                            "exist-with-root/test.js": "",
+                            "exist-with-root/.eslintrc.json": JSON.stringify({ root: true, rules: { yoda: "error" } }),
+                            "exist/test.js": "",
+                            "exist/.eslintrc.json": JSON.stringify({ rules: { yoda: "error" } }),
+                            "not-exist/test.js": ""
+                        }
+                    });
+
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                });
+
+                // no warning.
+                describe("when it lints 'subdir/exist-with-root/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist-with-root/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should not load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { yoda: ["error"] }
+                        );
+                    });
+                });
+
+                // no warning.
+                describe("when it lints 'subdir/exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { eqeqeq: ["error"], yoda: ["error"] }
+                        );
+                    });
+                });
+
+                // no warning
+                describe("when it lints 'subdir/not-exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("not-exist/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { eqeqeq: ["error"] }
+                        );
+                    });
+                });
+            });
+
+            describe("when '~/.eslintrc.json' exists and CWD is `~/subdir`", () => {
+                beforeEach(() => {
+                    cwd = path.join(homeDir, "subdir");
+                    const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                        cwd: () => cwd,
+                        files: {
+
+                            // ~/.eslintrc.json
+                            "../.eslintrc.json": JSON.stringify({ rules: { eqeqeq: "error" } }),
+
+                            // other files
+                            "exist-with-root/test.js": "",
+                            "exist-with-root/.eslintrc.json": JSON.stringify({ root: true, rules: { yoda: "error" } }),
+                            "exist/test.js": "",
+                            "exist/.eslintrc.json": JSON.stringify({ rules: { yoda: "error" } }),
+                            "not-exist/test.js": ""
+                        }
+                    });
+
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                });
+
+                // Project's config file has `root:true`, then no warning.
+                describe("when it lints 'subdir/exist-with-root/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist-with-root/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should not load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { yoda: ["error"] }
+                        );
+                    });
+                });
+
+                // Project's config file doesn't have `root:true` and home is ancestor, then ESLINT_PERSONAL_CONFIG_SUPPRESS.
+                describe("when it lints 'subdir/exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist/test.js");
+                        await delay();
+                    });
+
+                    it("should raise an ESLINT_PERSONAL_CONFIG_SUPPRESS warning.", () => {
+                        assert.deepStrictEqual(warnings, [
+                            {
+                                code: "ESLINT_PERSONAL_CONFIG_SUPPRESS",
+                                message: `'~/.eslintrc.*' config files have been deprecated. Please remove it or add 'root:true' to the config files in your projects in order to avoid loading '~/.eslintrc.*' accidentally. (found in "${uniqueHomeDirName}${path.sep}.eslintrc.json")`
+                            }
+                        ]);
+                    });
+
+                    it("should not load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { yoda: ["error"] }
+                        );
+                    });
+                });
+
+                /*
+                 * Project's config file doesn't exist and home is ancestor, then no warning.
+                 * In this case, ESLint will continue to use `~/.eslintrc.json` even if personal config file feature is removed.
+                 */
+                describe("when it lints 'subdir/not-exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("not-exist/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { eqeqeq: ["error"] }
+                        );
+                    });
+                });
+            });
+
+            describe("when '~/.eslintrc.json' exists and CWD is `~/../another`", () => {
+                beforeEach(() => {
+                    cwd = path.join(homeDir, "../another");
+                    const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                        cwd: () => cwd,
+                        files: {
+
+                            // ~/.eslintrc.json
+                            [`../${uniqueHomeDirName}/.eslintrc.json`]: JSON.stringify({ rules: { eqeqeq: "error" } }),
+
+                            // other files
+                            "exist-with-root/test.js": "",
+                            "exist-with-root/.eslintrc.json": JSON.stringify({ root: true, rules: { yoda: "error" } }),
+                            "exist/test.js": "",
+                            "exist/.eslintrc.json": JSON.stringify({ rules: { yoda: "error" } }),
+                            "not-exist/test.js": ""
+                        }
+                    });
+
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                });
+
+                // Project's config file has `root:true`, then no warning.
+                describe("when it lints 'exist-with-root/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist-with-root/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should not load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { yoda: ["error"] }
+                        );
+                    });
+                });
+
+                // Project's config file doesn't have `root:true` but home is not ancestor, then no warning.
+                describe("when it lints 'exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+
+                    it("should not load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { yoda: ["error"] }
+                        );
+                    });
+                });
+
+                // Project's config file doesn't exist and home is not ancestor, then ESLINT_PERSONAL_CONFIG_LOAD.
+                describe("when it lints 'not-exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("not-exist/test.js");
+                        await delay();
+                    });
+
+                    it("should raise an ESLINT_PERSONAL_CONFIG_LOAD warning.", () => {
+                        assert.deepStrictEqual(warnings, [
+                            {
+                                code: "ESLINT_PERSONAL_CONFIG_LOAD",
+                                message: `'~/.eslintrc.*' config files have been deprecated. Please use a config file per project or the '--config' option. (found in "${uniqueHomeDirName}${path.sep}.eslintrc.json")`
+                            }
+                        ]);
+                    });
+
+                    it("should load '~/.eslintrc.json'.", () => {
+                        assert.deepStrictEqual(
+                            config.extractConfig("a.js").rules,
+                            { eqeqeq: ["error"] }
+                        );
+                    });
+                });
+            });
+
+            describe("when '~/.eslintrc.json' doesn't exist and CWD is `~/subdir`", () => {
+                beforeEach(() => {
+                    cwd = path.join(homeDir, "subdir");
+                    const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                        cwd: () => cwd,
+                        files: {
+                            "exist-with-root/test.js": "",
+                            "exist-with-root/.eslintrc.json": JSON.stringify({ root: true, rules: { yoda: "error" } }),
+                            "exist/test.js": "",
+                            "exist/.eslintrc.json": JSON.stringify({ rules: { yoda: "error" } }),
+                            "not-exist/test.js": ""
+                        }
+                    });
+
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                });
+
+                describe("when it lints 'subdir/exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("exist/test.js");
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+                });
+            });
+
+            describe("when '~/.eslintrc.json' doesn't exist and CWD is `~/../another`", () => {
+                beforeEach(() => {
+                    cwd = path.join(homeDir, "../another");
+                    const { CascadingConfigArrayFactory } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                        cwd: () => cwd,
+                        files: {
+                            "exist-with-root/test.js": "",
+                            "exist-with-root/.eslintrc.json": JSON.stringify({ root: true, rules: { yoda: "error" } }),
+                            "exist/test.js": "",
+                            "exist/.eslintrc.json": JSON.stringify({ rules: { yoda: "error" } }),
+                            "not-exist/test.js": ""
+                        }
+                    });
+
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                });
+
+                describe("when it lints 'not-exist/test.js'", () => {
+                    beforeEach(async () => {
+                        config = factory.getConfigArrayForFile("not-exist/test.js", { ignoreNotFoundError: true });
+                        await delay();
+                    });
+
+                    it("should not raise any warnings.", () => {
+                        assert.deepStrictEqual(warnings, []);
+                    });
+                });
+            });
+        });
+
+        // This group moved from 'tests/lib/config.js' when refactoring to keep the cumulated test cases.
+        describe("with 'tests/fixtures/config-hierarchy' files", () => {
+            const { CascadingConfigArrayFactory } = require("../../../lib/cli-engine/cascading-config-array-factory");
+            let fixtureDir;
+
+            const DIRECTORY_CONFIG_HIERARCHY = require("../../fixtures/config-hierarchy/file-structure.json");
+
+            /**
+             * Returns the path inside of the fixture directory.
+             * @param {...string} args file path segments.
+             * @returns {string} The path inside the fixture directory.
+             * @private
+             */
+            function getFixturePath(...args) {
+                return path.join(fixtureDir, "config-hierarchy", ...args);
+            }
+
+            /**
+             * Mocks the current user's home path
+             * @param {string} fakeUserHomePath fake user's home path
+             * @returns {void}
+             * @private
+             */
+            function mockOsHomedir(fakeUserHomePath) {
+                sinon.stub(os, "homedir")
+                    .returns(fakeUserHomePath);
+            }
+
+            /**
+             * Assert that given two objects have the same properties with the
+             * same value for each.
+             *
+             * The `expected` object is merged with the default values of config
+             * data before comparing, so you can specify only the properties you
+             * focus on.
+             * @param {Object} actual The config object to check.
+             * @param {Object} expected What the config object should look like.
+             * @returns {void}
+             * @private
+             */
+            function assertConfigsEqual(actual, expected) {
+                const defaults = new ExtractedConfig().toCompatibleObjectAsConfigFileContent();
+
+                assert.deepStrictEqual(actual, { ...defaults, ...expected });
+            }
+
+            /**
+             * Wait for the next tick.
+             * @returns {Promise<void>} -
+             */
+            function nextTick() {
+                return new Promise(resolve => process.nextTick(resolve));
+            }
+
+            /**
+             * Get the config data for a file.
+             * @param {CascadingConfigArrayFactory} factory The factory to get config.
+             * @param {string} filePath The path to a source code.
+             * @returns {Object} The gotten config.
+             */
+            function getConfig(factory, filePath = "a.js") {
+                const { cwd } = factory;
+                const absolutePath = path.resolve(cwd, filePath);
+
+                return factory
+                    .getConfigArrayForFile(absolutePath)
+                    .extractConfig(absolutePath)
+                    .toCompatibleObjectAsConfigFileContent();
+            }
+
+            // copy into clean area so as not to get "infected" by this project's .eslintrc files
+            before(() => {
+                fixtureDir = `${os.tmpdir()}/eslint/fixtures`;
+                sh.mkdir("-p", fixtureDir);
+                sh.cp("-r", "./tests/fixtures/config-hierarchy", fixtureDir);
+                sh.cp("-r", "./tests/fixtures/rules", fixtureDir);
+            });
+
+            afterEach(() => {
+                sinon.verifyAndRestore();
+            });
+
+            after(() => {
+                sh.rm("-r", fixtureDir);
+            });
+
+            it("should create config object when using baseConfig with extends", () => {
+                const customBaseConfig = {
+                    extends: path.resolve(__dirname, "../../fixtures/config-extends/array/.eslintrc")
+                };
+                const factory = new CascadingConfigArrayFactory({ baseConfig: customBaseConfig, useEslintrc: false });
+                const config = getConfig(factory);
+
+                assert.deepStrictEqual(config.env, {
+                    browser: false,
+                    es6: true,
+                    node: true
+                });
+                assert.deepStrictEqual(config.rules, {
+                    "no-empty": [1],
+                    "comma-dangle": [2],
+                    "no-console": [2]
+                });
+            });
+
+            it("should return the project config when called in current working directory", () => {
+                const factory = new CascadingConfigArrayFactory();
+                const actual = getConfig(factory);
+
+                assert.strictEqual(actual.rules.strict[1], "global");
+            });
+
+            it("should not retain configs from previous directories when called multiple times", () => {
+                const firstpath = path.resolve(__dirname, "../../fixtures/configurations/single-quotes/subdir/.eslintrc");
+                const secondpath = path.resolve(__dirname, "../../fixtures/configurations/single-quotes/.eslintrc");
+                const factory = new CascadingConfigArrayFactory();
+                let config;
+
+                config = getConfig(factory, firstpath);
+                assert.deepStrictEqual(config.rules["no-new"], [0]);
+                config = getConfig(factory, secondpath);
+                assert.deepStrictEqual(config.rules["no-new"], [1]);
+            });
+
+            it("should throw error when a configuration file doesn't exist", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/configurations/.eslintrc");
+                const factory = new CascadingConfigArrayFactory();
+
+                sinon.stub(fs, "readFileSync").throws(new Error());
+
+                assert.throws(() => {
+                    getConfig(factory, configPath);
+                }, "Cannot read config file");
+
+            });
+
+            it("should throw error when a configuration file is not require-able", () => {
+                const configPath = ".eslintrc";
+                const factory = new CascadingConfigArrayFactory();
+
+                sinon.stub(fs, "readFileSync").throws(new Error());
+
+                assert.throws(() => {
+                    getConfig(factory, configPath);
+                }, "Cannot read config file");
+
+            });
+
+            it("should cache config when the same directory is passed twice", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/configurations/single-quotes/.eslintrc");
+                const configArrayFactory = new ConfigArrayFactory();
+                const factory = new CascadingConfigArrayFactory({ configArrayFactory });
+
+                sinon.spy(configArrayFactory, "loadInDirectory");
+
+                // If cached this should be called only once
+                getConfig(factory, configPath);
+                const callcount = configArrayFactory.loadInDirectory.callcount;
+
+                getConfig(factory, configPath);
+
+                assert.strictEqual(configArrayFactory.loadInDirectory.callcount, callcount);
+            });
+
+            // make sure JS-style comments don't throw an error
+            it("should load the config file when there are JS-style comments in the text", () => {
+                const specificConfigPath = path.resolve(__dirname, "../../fixtures/configurations/comments.json");
+                const factory = new CascadingConfigArrayFactory({ specificConfigPath, useEslintrc: false });
+                const config = getConfig(factory);
+                const { semi, strict } = config.rules;
+
+                assert.deepStrictEqual(semi, [1]);
+                assert.deepStrictEqual(strict, [0]);
+            });
+
+            // make sure YAML files work correctly
+            it("should load the config file when a YAML file is used", () => {
+                const specificConfigPath = path.resolve(__dirname, "../../fixtures/configurations/env-browser.yaml");
+                const factory = new CascadingConfigArrayFactory({ specificConfigPath, useEslintrc: false });
+                const config = getConfig(factory);
+                const { "no-alert": noAlert, "no-undef": noUndef } = config.rules;
+
+                assert.deepStrictEqual(noAlert, [0]);
+                assert.deepStrictEqual(noUndef, [2]);
+            });
+
+            it("should contain the correct value for parser when a custom parser is specified", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/configurations/parser/.eslintrc.json");
+                const factory = new CascadingConfigArrayFactory();
+                const config = getConfig(factory, configPath);
+
+                assert.strictEqual(config.parser, path.resolve(path.dirname(configPath), "./custom.js"));
+            });
+
+            /*
+             * Configuration hierarchy ---------------------------------------------
+             * https://github.com/eslint/eslint/issues/3915
+             */
+            it("should correctly merge environment settings", () => {
+                const factory = new CascadingConfigArrayFactory({ useEslintrc: true });
+                const file = getFixturePath("envs", "sub", "foo.js");
+                const expected = {
+                    rules: {},
+                    env: {
+                        browser: true,
+                        node: false
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Default configuration - blank
+            it("should return a blank config when using no .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({ useEslintrc: false });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    rules: {},
+                    globals: {},
+                    env: {},
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            it("should return a blank config when baseConfig is set to false and no .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({ baseConfig: false, useEslintrc: false });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    rules: {},
+                    globals: {},
+                    env: {},
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // No default configuration
+            it("should return an empty config when not using .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({ useEslintrc: false });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, { ignorePatterns: cwdIgnorePatterns });
+            });
+
+            it("should return a modified config when baseConfig is set to an object and no .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    baseConfig: {
+                        env: {
+                            node: true
+                        },
+                        rules: {
+                            quotes: [2, "single"]
+                        }
+                    },
+                    useEslintrc: false
+                });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [2, "single"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            it("should return a modified config without plugin rules enabled when baseConfig is set to an object with plugin and no .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    baseConfig: {
+                        env: {
+                            node: true
+                        },
+                        rules: {
+                            quotes: [2, "single"]
+                        },
+                        plugins: ["example-with-rules-config"]
+                    },
+                    cwd: getFixturePath("plugins"),
+                    useEslintrc: false
+                });
+                const file = getFixturePath("broken", "plugins", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    plugins: ["example-with-rules-config"],
+                    rules: {
+                        quotes: [2, "single"]
+                    }
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Project configuration - second level .eslintrc
+            it("should merge configs when local .eslintrc overrides parent .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory();
+                const file = getFixturePath("broken", "subbroken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        "no-console": [1],
+                        quotes: [2, "single"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Project configuration - third level .eslintrc
+            it("should merge configs when local .eslintrc overrides parent and grandparent .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory();
+                const file = getFixturePath("broken", "subbroken", "subsubbroken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        "no-console": [0],
+                        quotes: [1, "double"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Project configuration - root set in second level .eslintrc
+            it("should not return or traverse configurations in parents of config with root:true", () => {
+                const factory = new CascadingConfigArrayFactory();
+                const file = getFixturePath("root-true", "parent", "root", "wrong-semi.js");
+                const expected = {
+                    rules: {
+                        semi: [2, "never"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Project configuration - root set in second level .eslintrc
+            it("should return project config when called with a relative path from a subdir", () => {
+                const factory = new CascadingConfigArrayFactory({ cwd: getFixturePath("root-true", "parent", "root", "subdir") });
+                const dir = ".";
+                const expected = {
+                    rules: {
+                        semi: [2, "never"]
+                    }
+                };
+                const actual = getConfig(factory, dir);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --config with first level .eslintrc
+            it("should merge command line config when config file adds to local .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    specificConfigPath: getFixturePath("broken", "add-conf.yaml")
+                });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [2, "double"],
+                        semi: [1, "never"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --config with first level .eslintrc
+            it("should merge command line config when config file overrides local .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    specificConfigPath: getFixturePath("broken", "override-conf.yaml")
+                });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [0, "double"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --config with second level .eslintrc
+            it("should merge command line config when config file adds to local and parent .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    specificConfigPath: getFixturePath("broken", "add-conf.yaml")
+                });
+                const file = getFixturePath("broken", "subbroken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [2, "single"],
+                        "no-console": [1],
+                        semi: [1, "never"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --config with second level .eslintrc
+            it("should merge command line config when config file overrides local and parent .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    specificConfigPath: getFixturePath("broken", "override-conf.yaml")
+                });
+                const file = getFixturePath("broken", "subbroken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [0, "single"],
+                        "no-console": [1]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --rule with --config and first level .eslintrc
+            it("should merge command line config and rule when rule and config file overrides local .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    cliConfig: {
+                        rules: {
+                            quotes: [1, "double"]
+                        }
+                    },
+                    specificConfigPath: getFixturePath("broken", "override-conf.yaml")
+                });
+                const file = getFixturePath("broken", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    rules: {
+                        quotes: [1, "double"]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            // Command line configuration - --plugin
+            it("should merge command line plugin with local .eslintrc", () => {
+                const factory = new CascadingConfigArrayFactory({
+                    cliConfig: {
+                        plugins: ["another-plugin"]
+                    },
+                    cwd: getFixturePath("plugins"),
+                    resolvePluginsRelativeTo: getFixturePath("plugins")
+                });
+                const file = getFixturePath("broken", "plugins", "console-wrong-quotes.js");
+                const expected = {
+                    env: {
+                        node: true
+                    },
+                    plugins: [
+                        "example",
+                        "another-plugin"
+                    ],
+                    rules: {
+                        quotes: [2, "double"]
+                    }
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+
+            it("should merge multiple different config file formats", () => {
+                const factory = new CascadingConfigArrayFactory();
+                const file = getFixturePath("fileexts/subdir/subsubdir/foo.js");
+                const expected = {
+                    env: {
+                        browser: true
+                    },
+                    rules: {
+                        semi: [2, "always"],
+                        eqeqeq: [2]
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, file);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+
+            it("should load user config globals", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/globals/conf.yaml");
+                const factory = new CascadingConfigArrayFactory({ specificConfigPath: configPath, useEslintrc: false });
+                const expected = {
+                    globals: {
+                        foo: true
+                    },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, configPath);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            it("should not load disabled environments", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/environments/disable.yaml");
+                const factory = new CascadingConfigArrayFactory({ specificConfigPath: configPath, useEslintrc: false });
+                const config = getConfig(factory, configPath);
+
+                assert.isUndefined(config.globals.window);
+            });
+
+            it("should gracefully handle empty files", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/configurations/env-node.json");
+                const factory = new CascadingConfigArrayFactory({ specificConfigPath: configPath });
+
+                getConfig(factory, path.resolve(__dirname, "../../fixtures/configurations/empty/empty.json"));
+            });
+
+            // Meaningful stack-traces
+            it("should include references to where an `extends` configuration was loaded from", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/config-extends/error.json");
+
+                assert.throws(() => {
+                    const factory = new CascadingConfigArrayFactory({ useEslintrc: false, specificConfigPath: configPath });
+
+                    getConfig(factory, configPath);
+                }, /Referenced from:.*?error\.json/u);
+            });
+
+            // Keep order with the last array element taking highest precedence
+            it("should make the last element in an array take the highest precedence", () => {
+                const configPath = path.resolve(__dirname, "../../fixtures/config-extends/array/.eslintrc");
+                const factory = new CascadingConfigArrayFactory({ useEslintrc: false, specificConfigPath: configPath });
+                const expected = {
+                    rules: { "no-empty": [1], "comma-dangle": [2], "no-console": [2] },
+                    env: { browser: false, node: true, es6: true },
+                    ignorePatterns: cwdIgnorePatterns
+                };
+                const actual = getConfig(factory, configPath);
+
+                assertConfigsEqual(actual, expected);
+            });
+
+            describe("with env in a child configuration file", () => {
+                it("should not overwrite parserOptions of the parent with env of the child", () => {
+                    const factory = new CascadingConfigArrayFactory();
+                    const targetPath = getFixturePath("overwrite-ecmaFeatures", "child", "foo.js");
+                    const expected = {
+                        rules: {},
+                        env: { commonjs: true },
+                        parserOptions: { ecmaFeatures: { globalReturn: false } },
+                        ignorePatterns: cwdIgnorePatterns
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+            });
+
+            describe("personal config file within home directory", () => {
+                const {
+                    CascadingConfigArrayFactory: StubbedCascadingConfigArrayFactory
+                } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "eslint/fixtures/config-hierarchy": DIRECTORY_CONFIG_HIERARCHY
+                    }
+                });
+
+                /**
+                 * Returns the path inside of the fixture directory.
+                 * @param {...string} args file path segments.
+                 * @returns {string} The path inside the fixture directory.
+                 * @private
+                 */
+                function getFakeFixturePath(...args) {
+                    return path.join(process.cwd(), "eslint", "fixtures", "config-hierarchy", ...args);
+                }
+
+                it("should load the personal config if no local config was found", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "home-folder");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath });
+
+                    mockOsHomedir(homePath);
+
+                    const actual = getConfig(factory, filePath);
+                    const expected = {
+                        rules: {
+                            "home-folder-rule": [2]
+                        }
+                    };
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should ignore the personal config if a local config was found", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "home-folder", "project");
+                    const homePath = getFakeFixturePath("personal-config", "home-folder");
+                    const filePath = getFakeFixturePath("personal-config", "home-folder", "project", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath });
+
+                    mockOsHomedir(homePath);
+
+                    const actual = getConfig(factory, filePath);
+                    const expected = {
+                        rules: {
+                            "project-level-rule": [2]
+                        }
+                    };
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should ignore the personal config if config is passed through cli", () => {
+                    const configPath = getFakeFixturePath("quotes-error.json");
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "home-folder");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: projectPath,
+                        specificConfigPath: configPath
+                    });
+
+                    mockOsHomedir(homePath);
+
+                    const actual = getConfig(factory, filePath);
+                    const expected = {
+                        rules: {
+                            quotes: [2, "double"]
+                        }
+                    };
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should still load the project config if the current working directory is the same as the home folder", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-with-config");
+                    const filePath = getFakeFixturePath("personal-config", "project-with-config", "subfolder", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath });
+
+                    mockOsHomedir(projectPath);
+
+                    const actual = getConfig(factory, filePath);
+                    const expected = {
+                        rules: {
+                            "project-level-rule": [2],
+                            "subfolder-level-rule": [2]
+                        }
+                    };
+
+                    assertConfigsEqual(actual, expected);
+                });
+            });
+
+            describe("when no local or personal config is found", () => {
+                const {
+                    CascadingConfigArrayFactory: StubbedCascadingConfigArrayFactory
+                } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "eslint/fixtures/config-hierarchy": DIRECTORY_CONFIG_HIERARCHY
+                    }
+                });
+
+                /**
+                 * Returns the path inside of the fixture directory.
+                 * @param {...string} args file path segments.
+                 * @returns {string} The path inside the fixture directory.
+                 * @private
+                 */
+                function getFakeFixturePath(...args) {
+                    return path.join(process.cwd(), "eslint", "fixtures", "config-hierarchy", ...args);
+                }
+
+                it("should throw an error if no local config and no personal config was found", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "folder-does-not-exist");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath });
+
+                    mockOsHomedir(homePath);
+
+                    assert.throws(() => {
+                        getConfig(factory, filePath);
+                    }, "No ESLint configuration found");
+                });
+
+                it("should throw an error if no local config was found and ~/package.json contains no eslintConfig section", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "home-folder-with-packagejson");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath });
+
+                    mockOsHomedir(homePath);
+
+                    assert.throws(() => {
+                        getConfig(factory, filePath);
+                    }, "No ESLint configuration found");
+                });
+
+                it("should not throw an error if no local config and no personal config was found but useEslintrc is false", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "folder-does-not-exist");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ cwd: projectPath, useEslintrc: false });
+
+                    mockOsHomedir(homePath);
+
+                    getConfig(factory, filePath);
+                });
+
+                it("should not throw an error if no local config and no personal config was found but rules are specified", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "folder-does-not-exist");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cliConfig: {
+                            rules: { quotes: [2, "single"] }
+                        },
+                        cwd: projectPath
+                    });
+
+                    mockOsHomedir(homePath);
+
+                    getConfig(factory, filePath);
+                });
+
+                it("should not throw an error if no local config and no personal config was found but baseConfig is specified", () => {
+                    const projectPath = getFakeFixturePath("personal-config", "project-without-config");
+                    const homePath = getFakeFixturePath("personal-config", "folder-does-not-exist");
+                    const filePath = getFakeFixturePath("personal-config", "project-without-config", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({ baseConfig: {}, cwd: projectPath });
+
+                    mockOsHomedir(homePath);
+
+                    getConfig(factory, filePath);
+                });
+            });
+
+            describe("with overrides", () => {
+                const {
+                    CascadingConfigArrayFactory: StubbedCascadingConfigArrayFactory
+                } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "eslint/fixtures/config-hierarchy": DIRECTORY_CONFIG_HIERARCHY
+                    }
+                });
+
+                /**
+                 * Returns the path inside of the fixture directory.
+                 * @param {...string} pathSegments One or more path segments, in order of depth, shallowest first
+                 * @returns {string} The path inside the fixture directory.
+                 * @private
+                 */
+                function getFakeFixturePath(...pathSegments) {
+                    return path.join(process.cwd(), "eslint", "fixtures", "config-hierarchy", ...pathSegments);
+                }
+
+                it("should merge override config when the pattern matches the file name", () => {
+                    const factory = new StubbedCascadingConfigArrayFactory({});
+                    const targetPath = getFakeFixturePath("overrides", "foo.js");
+                    const expected = {
+                        rules: {
+                            quotes: [2, "single"],
+                            "no-else-return": [0],
+                            "no-unused-vars": [1],
+                            semi: [1, "never"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should merge override config when the pattern matches the file path relative to the config file", () => {
+                    const factory = new StubbedCascadingConfigArrayFactory({});
+                    const targetPath = getFakeFixturePath("overrides", "child", "child-one.js");
+                    const expected = {
+                        rules: {
+                            curly: ["error", "multi", "consistent"],
+                            "no-else-return": [0],
+                            "no-unused-vars": [1],
+                            quotes: [2, "double"],
+                            semi: [1, "never"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should not merge override config when the pattern matches the absolute file path", () => {
+                    const resolvedPath = path.resolve(__dirname, "../../fixtures/config-hierarchy/overrides/bar.js");
+
+                    assert.throws(() => new StubbedCascadingConfigArrayFactory({
+                        baseConfig: {
+                            overrides: [{
+                                files: resolvedPath,
+                                rules: {
+                                    quotes: [1, "double"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    }), /Invalid override pattern/u);
+                });
+
+                it("should not merge override config when the pattern traverses up the directory tree", () => {
+                    const parentPath = "overrides/../**/*.js";
+
+                    assert.throws(() => new StubbedCascadingConfigArrayFactory({
+                        baseConfig: {
+                            overrides: [{
+                                files: parentPath,
+                                rules: {
+                                    quotes: [1, "single"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    }), /Invalid override pattern/u);
+                });
+
+                it("should merge all local configs (override and non-override) before non-local configs", () => {
+                    const factory = new StubbedCascadingConfigArrayFactory({});
+                    const targetPath = getFakeFixturePath("overrides", "two", "child-two.js");
+                    const expected = {
+                        rules: {
+                            "no-console": [0],
+                            "no-else-return": [0],
+                            "no-unused-vars": [2],
+                            quotes: [2, "double"],
+                            semi: [2, "never"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should apply overrides in parent .eslintrc over non-override rules in child .eslintrc", () => {
+                    const targetPath = getFakeFixturePath("overrides", "three", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [
+                                {
+                                    files: "three/**/*.js",
+                                    rules: {
+                                        "semi-style": [2, "last"]
+                                    }
+                                }
+                            ]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {
+                            "semi-style": [2, "last"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should apply overrides if all glob patterns match", () => {
+                    const targetPath = getFakeFixturePath("overrides", "one", "child-one.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [{
+                                files: ["one/**/*", "*.js"],
+                                rules: {
+                                    quotes: [2, "single"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {
+                            quotes: [2, "single"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should apply overrides even if some glob patterns do not match", () => {
+                    const targetPath = getFakeFixturePath("overrides", "one", "child-one.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [{
+                                files: ["one/**/*", "*two.js"],
+                                rules: {
+                                    quotes: [2, "single"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {
+                            quotes: [2, "single"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should not apply overrides if any excluded glob patterns match", () => {
+                    const targetPath = getFakeFixturePath("overrides", "one", "child-one.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [{
+                                files: "one/**/*",
+                                excludedFiles: ["two/**/*", "*one.js"],
+                                rules: {
+                                    quotes: [2, "single"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {}
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should apply overrides if all excluded glob patterns fail to match", () => {
+                    const targetPath = getFakeFixturePath("overrides", "one", "child-one.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [{
+                                files: "one/**/*",
+                                excludedFiles: ["two/**/*", "*two.js"],
+                                rules: {
+                                    quotes: [2, "single"]
+                                }
+                            }]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {
+                            quotes: [2, "single"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+
+                it("should cascade", () => {
+                    const targetPath = getFakeFixturePath("overrides", "foo.js");
+                    const factory = new StubbedCascadingConfigArrayFactory({
+                        cwd: getFakeFixturePath("overrides"),
+                        baseConfig: {
+                            overrides: [
+                                {
+                                    files: "foo.js",
+                                    rules: {
+                                        semi: [2, "never"],
+                                        quotes: [2, "single"]
+                                    }
+                                },
+                                {
+                                    files: "foo.js",
+                                    rules: {
+                                        semi: [2, "never"],
+                                        quotes: [2, "double"]
+                                    }
+                                }
+                            ]
+                        },
+                        useEslintrc: false
+                    });
+                    const expected = {
+                        rules: {
+                            semi: [2, "never"],
+                            quotes: [2, "double"]
+                        }
+                    };
+                    const actual = getConfig(factory, targetPath);
+
+                    assertConfigsEqual(actual, expected);
+                });
+            });
+
+            describe("deprecation warnings", () => {
+                const cwd = path.resolve(__dirname, "../../fixtures/config-file/");
+                let warning = null;
+
+                /**
+                 * Store a reported warning object if that code starts with `ESLINT_`.
+                 * @param {{code:string, message:string}} w The warning object to store.
+                 * @returns {void}
+                 */
+                function onWarning(w) {
+                    if (w.code.startsWith("ESLINT_")) {
+                        warning = w;
+                    }
+                }
+
+                /** @type {CascadingConfigArrayFactory} */
+                let factory;
+
+                beforeEach(() => {
+                    factory = new CascadingConfigArrayFactory({ cwd });
+                    warning = null;
+                    process.on("warning", onWarning);
+                });
+                afterEach(() => {
+                    process.removeListener("warning", onWarning);
+                });
+
+                it("should emit a deprecation warning if 'ecmaFeatures' is given.", async () => {
+                    getConfig(factory, "ecma-features/test.js");
+
+                    // Wait for "warning" event.
+                    await nextTick();
+
+                    assert.notStrictEqual(warning, null);
+                    assert.strictEqual(
+                        warning.message,
+                        `The 'ecmaFeatures' config file property is deprecated and has no effect. (found in "ecma-features${path.sep}.eslintrc.yml")`
+                    );
+                });
+            });
+        });
+    });
+
+    describe("'clearCache()' method should clear cache.", () => {
+        describe("with a '.eslintrc.js' file", () => {
+            const root = path.join(os.tmpdir(), "eslint/cli-engine/cascading-config-array-factory");
+            const files = {
+                ".eslintrc.js": ""
+            };
+            const {
+                CascadingConfigArrayFactory
+            } = defineCascadingConfigArrayFactoryWithInMemoryFileSystem({ cwd: () => root, files });
+
+            /** @type {Map<string, Object>} */
+            let additionalPluginPool;
+
+            /** @type {CascadingConfigArrayFactory} */
+            let factory;
+
+            beforeEach(() => {
+                additionalPluginPool = new Map();
+                factory = new CascadingConfigArrayFactory({
+                    additionalPluginPool,
+                    cliConfig: { plugins: ["test"] }
+                });
+            });
+
+            it("should use cached instance.", () => {
+                const one = factory.getConfigArrayForFile("a.js");
+                const two = factory.getConfigArrayForFile("a.js");
+
+                assert.strictEqual(one, two);
+            });
+
+            it("should not use cached instance if 'clearCache()' method is called after first config is retrieved", () => {
+                const one = factory.getConfigArrayForFile("a.js");
+
+                factory.clearCache();
+                const two = factory.getConfigArrayForFile("a.js");
+
+                assert.notStrictEqual(one, two);
+            });
+
+            it("should have a loading error in CLI config.", () => {
+                const config = factory.getConfigArrayForFile("a.js");
+
+                assert.strictEqual(config[2].plugins.test.definition, null);
+            });
+
+            it("should not have a loading error in CLI config after adding 'test' plugin to the additional plugin pool then calling 'clearCache()'.", () => {
+                factory.getConfigArrayForFile("a.js");
+
+                additionalPluginPool.set("test", { configs: { name: "test" } });
+                factory.clearCache();
+
+                // Check.
+                const config = factory.getConfigArrayForFile("a.js");
+
+                assert.deepStrictEqual(
+                    config[2].plugins.test.definition,
+                    {
+                        configs: { name: "test" },
+                        environments: {},
+                        processors: {},
+                        rules: {}
+                    }
+                );
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/cli-engine.js b/eslint/tests/lib/cli-engine/cli-engine.js
new file mode 100644
index 0000000..6880bf9
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/cli-engine.js
@@ -0,0 +1,6285 @@
+/**
+ * @fileoverview Tests for CLIEngine.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    path = require("path"),
+    sinon = require("sinon"),
+    leche = require("leche"),
+    shell = require("shelljs"),
+    fs = require("fs"),
+    os = require("os"),
+    hash = require("../../../lib/cli-engine/hash"),
+    { CascadingConfigArrayFactory } = require("../../../lib/cli-engine/cascading-config-array-factory"),
+    { unIndent } = require("../_utils"),
+    { defineCLIEngineWithInMemoryFileSystem } = require("./_utils");
+
+const proxyquire = require("proxyquire").noCallThru().noPreserveCache();
+const fCache = require("file-entry-cache");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("CLIEngine", () => {
+
+    const examplePluginName = "eslint-plugin-example",
+        examplePluginNameWithNamespace = "@eslint/eslint-plugin-example",
+        examplePlugin = {
+            rules: {
+                "example-rule": require("../../fixtures/rules/custom-rule"),
+                "make-syntax-error": require("../../fixtures/rules/make-syntax-error-rule")
+            }
+        },
+        examplePreprocessorName = "eslint-plugin-processor",
+        originalDir = process.cwd(),
+        fixtureDir = path.resolve(fs.realpathSync(os.tmpdir()), "eslint/fixtures");
+
+    /** @type {import("../../../lib/cli-engine")["CLIEngine"]} */
+    let CLIEngine;
+
+    /** @type {import("../../../lib/cli-engine/cli-engine")["getCLIEngineInternalSlots"]} */
+    let getCLIEngineInternalSlots;
+
+    /**
+     * Returns the path inside of the fixture directory.
+     * @param {...string} args file path segments.
+     * @returns {string} The path inside the fixture directory.
+     * @private
+     */
+    function getFixturePath(...args) {
+        const filepath = path.join(fixtureDir, ...args);
+
+        try {
+            return fs.realpathSync(filepath);
+        } catch (e) {
+            return filepath;
+        }
+    }
+
+    /**
+     * Create the CLIEngine object by mocking some of the plugins
+     * @param {Object} options options for CLIEngine
+     * @returns {CLIEngine} engine object
+     * @private
+     */
+    function cliEngineWithPlugins(options) {
+        const engine = new CLIEngine(options);
+
+        // load the mocked plugins
+        engine.addPlugin(examplePluginName, examplePlugin);
+        engine.addPlugin(examplePluginNameWithNamespace, examplePlugin);
+        engine.addPlugin(examplePreprocessorName, require("../../fixtures/processors/custom-processor"));
+
+        return engine;
+    }
+
+    // copy into clean area so as not to get "infected" by this project's .eslintrc files
+    before(() => {
+        shell.mkdir("-p", fixtureDir);
+        shell.cp("-r", "./tests/fixtures/.", fixtureDir);
+    });
+
+    beforeEach(() => {
+        ({ CLIEngine, getCLIEngineInternalSlots } = require("../../../lib/cli-engine/cli-engine"));
+    });
+
+    after(() => {
+        shell.rm("-r", fixtureDir);
+    });
+
+    describe("new CLIEngine(options)", () => {
+        it("the default value of 'options.cwd' should be the current working directory.", () => {
+            process.chdir(__dirname);
+            try {
+                const engine = new CLIEngine();
+                const internalSlots = getCLIEngineInternalSlots(engine);
+
+                assert.strictEqual(internalSlots.options.cwd, __dirname);
+            } finally {
+                process.chdir(originalDir);
+            }
+        });
+
+        it("should report one fatal message when given a path by --ignore-path that is not a file when ignore is true.", () => {
+            assert.throws(() => {
+                // eslint-disable-next-line no-new
+                new CLIEngine({ ignorePath: fixtureDir });
+            }, `Cannot read .eslintignore file: ${fixtureDir}\nError: EISDIR: illegal operation on a directory, read`);
+        });
+
+        // https://github.com/eslint/eslint/issues/2380
+        it("should not modify baseConfig when format is specified", () => {
+            const customBaseConfig = { root: true };
+
+            new CLIEngine({ baseConfig: customBaseConfig, format: "foo" }); // eslint-disable-line no-new
+
+            assert.deepStrictEqual(customBaseConfig, { root: true });
+        });
+    });
+
+    describe("executeOnText()", () => {
+
+        let engine;
+
+        it("should report the total and per file errors when using local cwd .eslintrc", () => {
+
+            engine = new CLIEngine();
+
+            const report = engine.executeOnText("var foo = 'bar';");
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.errorCount, 5);
+            assert.strictEqual(report.warningCount, 0);
+            assert.strictEqual(report.fixableErrorCount, 3);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages.length, 5);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "strict");
+            assert.strictEqual(report.results[0].messages[1].ruleId, "no-var");
+            assert.strictEqual(report.results[0].messages[2].ruleId, "no-unused-vars");
+            assert.strictEqual(report.results[0].messages[3].ruleId, "quotes");
+            assert.strictEqual(report.results[0].messages[4].ruleId, "eol-last");
+            assert.strictEqual(report.results[0].fixableErrorCount, 3);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        it("should report the total and per file warnings when using local cwd .eslintrc", () => {
+
+            engine = new CLIEngine({
+                rules: {
+                    quotes: 1,
+                    "no-var": 1,
+                    "eol-last": 1,
+                    strict: 1,
+                    "no-unused-vars": 1
+                }
+            });
+
+            const report = engine.executeOnText("var foo = 'bar';");
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.errorCount, 0);
+            assert.strictEqual(report.warningCount, 5);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 3);
+            assert.strictEqual(report.results[0].messages.length, 5);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "strict");
+            assert.strictEqual(report.results[0].messages[1].ruleId, "no-var");
+            assert.strictEqual(report.results[0].messages[2].ruleId, "no-unused-vars");
+            assert.strictEqual(report.results[0].messages[3].ruleId, "quotes");
+            assert.strictEqual(report.results[0].messages[4].ruleId, "eol-last");
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 3);
+        });
+
+        it("should report one message when using specific config file", () => {
+
+            engine = new CLIEngine({
+                configFile: "fixtures/configurations/quotes-error.json",
+                useEslintrc: false,
+                cwd: getFixturePath("..")
+            });
+
+            const report = engine.executeOnText("var foo = 'bar';");
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.errorCount, 1);
+            assert.strictEqual(report.warningCount, 0);
+            assert.strictEqual(report.fixableErrorCount, 1);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages.length, 1);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+            assert.isUndefined(report.results[0].messages[0].output);
+            assert.strictEqual(report.results[0].errorCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 1);
+            assert.strictEqual(report.results[0].warningCount, 0);
+        });
+
+        it("should report the filename when passed in", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                cwd: getFixturePath()
+            });
+
+            const report = engine.executeOnText("var foo = 'bar';", "test.js");
+
+            assert.strictEqual(report.results[0].filePath, getFixturePath("test.js"));
+        });
+
+        it("should return a warning when given a filename by --stdin-filename in excluded files list if warnIgnored is true", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore"),
+                cwd: getFixturePath("..")
+            });
+
+            const report = engine.executeOnText("var bar = foo;", "fixtures/passing.js", true);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.errorCount, 0);
+            assert.strictEqual(report.warningCount, 1);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].filePath, getFixturePath("passing.js"));
+            assert.strictEqual(report.results[0].messages[0].severity, 1);
+            assert.strictEqual(report.results[0].messages[0].message, "File ignored because of a matching ignore pattern. Use \"--no-ignore\" to override.");
+            assert.isUndefined(report.results[0].messages[0].output);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        it("should not return a warning when given a filename by --stdin-filename in excluded files list if warnIgnored is false", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore"),
+                cwd: getFixturePath("..")
+            });
+
+            // intentional parsing error
+            const report = engine.executeOnText("va r bar = foo;", "fixtures/passing.js", false);
+
+            // should not report anything because the file is ignored
+            assert.strictEqual(report.results.length, 0);
+        });
+
+        it("should suppress excluded file warnings by default", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore"),
+                cwd: getFixturePath("..")
+            });
+
+            const report = engine.executeOnText("var bar = foo;", "fixtures/passing.js");
+
+            // should not report anything because there are no errors
+            assert.strictEqual(report.results.length, 0);
+        });
+
+        it("should return a message when given a filename by --stdin-filename in excluded files list and ignore is off", () => {
+
+            engine = new CLIEngine({
+                ignorePath: "fixtures/.eslintignore",
+                cwd: getFixturePath(".."),
+                ignore: false,
+                useEslintrc: false,
+                rules: {
+                    "no-undef": 2
+                }
+            });
+
+            const report = engine.executeOnText("var bar = foo;", "fixtures/passing.js");
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, getFixturePath("passing.js"));
+            assert.strictEqual(report.results[0].messages[0].ruleId, "no-undef");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+            assert.isUndefined(report.results[0].messages[0].output);
+        });
+
+        it("should return a message and fixed text when in fix mode", () => {
+
+            engine = new CLIEngine({
+                useEslintrc: false,
+                fix: true,
+                rules: {
+                    semi: 2
+                },
+                ignore: false,
+                cwd: getFixturePath()
+            });
+
+            const report = engine.executeOnText("var bar = foo", "passing.js");
+
+            assert.deepStrictEqual(report, {
+                results: [
+                    {
+                        filePath: getFixturePath("passing.js"),
+                        messages: [],
+                        errorCount: 0,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        output: "var bar = foo;"
+                    }
+                ],
+                errorCount: 0,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                usedDeprecatedRules: []
+            });
+        });
+
+        it("correctly autofixes semicolon-conflicting-fixes", () => {
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                useEslintrc: false,
+                fix: true
+            });
+            const inputPath = getFixturePath("autofix/semicolon-conflicting-fixes.js");
+            const outputPath = getFixturePath("autofix/semicolon-conflicting-fixes.expected.js");
+            const report = engine.executeOnFiles([inputPath]);
+            const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+            assert.strictEqual(report.results[0].output, expectedOutput);
+        });
+
+        it("correctly autofixes return-conflicting-fixes", () => {
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                useEslintrc: false,
+                fix: true
+            });
+            const inputPath = getFixturePath("autofix/return-conflicting-fixes.js");
+            const outputPath = getFixturePath("autofix/return-conflicting-fixes.expected.js");
+            const report = engine.executeOnFiles([inputPath]);
+            const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+            assert.strictEqual(report.results[0].output, expectedOutput);
+        });
+
+        describe("Fix Types", () => {
+
+            it("should throw an error when an invalid fix type is specified", () => {
+                assert.throws(() => {
+                    engine = new CLIEngine({
+                        cwd: path.join(fixtureDir, ".."),
+                        useEslintrc: false,
+                        fix: true,
+                        fixTypes: ["layou"]
+                    });
+                }, /invalid fix type/iu);
+            });
+
+            it("should not fix any rules when fixTypes is used without fix", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: false,
+                    fixTypes: ["layout"]
+                });
+
+                const inputPath = getFixturePath("fix-types/fix-only-semi.js");
+                const report = engine.executeOnFiles([inputPath]);
+
+                assert.isUndefined(report.results[0].output);
+            });
+
+            it("should not fix non-style rules when fixTypes has only 'layout'", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["layout"]
+                });
+                const inputPath = getFixturePath("fix-types/fix-only-semi.js");
+                const outputPath = getFixturePath("fix-types/fix-only-semi.expected.js");
+                const report = engine.executeOnFiles([inputPath]);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+            it("should not fix style or problem rules when fixTypes has only 'suggestion'", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["suggestion"]
+                });
+                const inputPath = getFixturePath("fix-types/fix-only-prefer-arrow-callback.js");
+                const outputPath = getFixturePath("fix-types/fix-only-prefer-arrow-callback.expected.js");
+                const report = engine.executeOnFiles([inputPath]);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+            it("should fix both style and problem rules when fixTypes has 'suggestion' and 'layout'", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["suggestion", "layout"]
+                });
+                const inputPath = getFixturePath("fix-types/fix-both-semi-and-prefer-arrow-callback.js");
+                const outputPath = getFixturePath("fix-types/fix-both-semi-and-prefer-arrow-callback.expected.js");
+                const report = engine.executeOnFiles([inputPath]);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+            it("should not throw an error when a rule doesn't have a 'meta' property", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["layout"],
+                    rulePaths: [getFixturePath("rules", "fix-types-test")]
+                });
+
+                const inputPath = getFixturePath("fix-types/ignore-missing-meta.js");
+                const outputPath = getFixturePath("fix-types/ignore-missing-meta.expected.js");
+                const report = engine.executeOnFiles([inputPath]);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+            it("should not throw an error when a rule is loaded after initialization with executeOnFiles()", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["layout"]
+                });
+                const internalSlots = getCLIEngineInternalSlots(engine);
+
+                internalSlots.linter.defineRule(
+                    "no-program",
+                    require(getFixturePath("rules", "fix-types-test", "no-program.js"))
+                );
+
+                const inputPath = getFixturePath("fix-types/ignore-missing-meta.js");
+                const outputPath = getFixturePath("fix-types/ignore-missing-meta.expected.js");
+                const report = engine.executeOnFiles([inputPath]);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+            it("should not throw an error when a rule is loaded after initialization with executeOnText()", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    fixTypes: ["layout"]
+                });
+                const internalSlots = getCLIEngineInternalSlots(engine);
+
+                internalSlots.linter.defineRule(
+                    "no-program",
+                    require(getFixturePath("rules", "fix-types-test", "no-program.js"))
+                );
+
+                const inputPath = getFixturePath("fix-types/ignore-missing-meta.js");
+                const outputPath = getFixturePath("fix-types/ignore-missing-meta.expected.js");
+                const report = engine.executeOnText(fs.readFileSync(inputPath, { encoding: "utf8" }), inputPath);
+                const expectedOutput = fs.readFileSync(outputPath, "utf8");
+
+                assert.strictEqual(report.results[0].output, expectedOutput);
+            });
+
+        });
+
+        it("should return a message and omit fixed text when in fix mode and fixes aren't done", () => {
+
+            engine = new CLIEngine({
+                useEslintrc: false,
+                fix: true,
+                rules: {
+                    "no-undef": 2
+                },
+                ignore: false,
+                cwd: getFixturePath()
+            });
+
+            const report = engine.executeOnText("var bar = foo", "passing.js");
+
+            assert.deepStrictEqual(report, {
+                results: [
+                    {
+                        filePath: getFixturePath("passing.js"),
+                        messages: [
+                            {
+                                ruleId: "no-undef",
+                                severity: 2,
+                                messageId: "undef",
+                                message: "'foo' is not defined.",
+                                line: 1,
+                                column: 11,
+                                endLine: 1,
+                                endColumn: 14,
+                                nodeType: "Identifier"
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        source: "var bar = foo"
+                    }
+                ],
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                usedDeprecatedRules: []
+            });
+        });
+
+        it("should not delete code if there is a syntax error after trying to autofix.", () => {
+            engine = cliEngineWithPlugins({
+                useEslintrc: false,
+                fix: true,
+                plugins: ["example"],
+                rules: {
+                    "example/make-syntax-error": "error"
+                },
+                ignore: false,
+                cwd: getFixturePath()
+            });
+
+            const report = engine.executeOnText("var bar = foo", "test.js");
+
+            assert.deepStrictEqual(report, {
+                results: [
+                    {
+                        filePath: getFixturePath("test.js"),
+                        messages: [
+                            {
+                                ruleId: null,
+                                fatal: true,
+                                severity: 2,
+                                message: "Parsing error: Unexpected token is",
+                                line: 1,
+                                column: 19
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        output: "var bar = foothis is a syntax error."
+                    }
+                ],
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                usedDeprecatedRules: []
+            });
+        });
+
+        it("should not crash even if there are any syntax error since the first time.", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                fix: true,
+                rules: {
+                    "example/make-syntax-error": "error"
+                },
+                ignore: false,
+                cwd: getFixturePath()
+            });
+
+            const report = engine.executeOnText("var bar =", "test.js");
+
+            assert.deepStrictEqual(report, {
+                results: [
+                    {
+                        filePath: getFixturePath("test.js"),
+                        messages: [
+                            {
+                                ruleId: null,
+                                fatal: true,
+                                severity: 2,
+                                message: "Parsing error: Unexpected token",
+                                line: 1,
+                                column: 10
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        source: "var bar ="
+                    }
+                ],
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                usedDeprecatedRules: []
+            });
+        });
+
+        it("should return source code of file in `source` property when errors are present", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                rules: { semi: 2 }
+            });
+
+            const report = engine.executeOnText("var foo = 'bar'");
+
+            assert.strictEqual(report.results[0].source, "var foo = 'bar'");
+        });
+
+        it("should return source code of file in `source` property when warnings are present", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                rules: { semi: 1 }
+            });
+
+            const report = engine.executeOnText("var foo = 'bar'");
+
+            assert.strictEqual(report.results[0].source, "var foo = 'bar'");
+        });
+
+
+        it("should not return a `source` property when no errors or warnings are present", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                rules: { semi: 2 }
+            });
+
+            const report = engine.executeOnText("var foo = 'bar';");
+
+            assert.lengthOf(report.results[0].messages, 0);
+            assert.isUndefined(report.results[0].source);
+        });
+
+        it("should not return a `source` property when fixes are applied", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                fix: true,
+                rules: {
+                    semi: 2,
+                    "no-unused-vars": 2
+                }
+            });
+
+            const report = engine.executeOnText("var msg = 'hi' + foo\n");
+
+            assert.isUndefined(report.results[0].source);
+            assert.strictEqual(report.results[0].output, "var msg = 'hi' + foo;\n");
+        });
+
+        it("should return a `source` property when a parsing error has occurred", () => {
+            engine = new CLIEngine({
+                useEslintrc: false,
+                rules: { semi: 2 }
+            });
+
+            const report = engine.executeOnText("var bar = foothis is a syntax error.\n return bar;");
+
+            assert.deepStrictEqual(report, {
+                results: [
+                    {
+                        filePath: "<text>",
+                        messages: [
+                            {
+                                ruleId: null,
+                                fatal: true,
+                                severity: 2,
+                                message: "Parsing error: Unexpected token is",
+                                line: 1,
+                                column: 19
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        source: "var bar = foothis is a syntax error.\n return bar;"
+                    }
+                ],
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                usedDeprecatedRules: []
+            });
+        });
+
+        // https://github.com/eslint/eslint/issues/5547
+        it("should respect default ignore rules, even with --no-ignore", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath(),
+                ignore: false
+            });
+
+            const report = engine.executeOnText("var bar = foo;", "node_modules/passing.js", true);
+            const expectedMsg = "File ignored by default. Use \"--ignore-pattern '!node_modules/*'\" to override.";
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, getFixturePath("node_modules/passing.js"));
+            assert.strictEqual(report.results[0].messages[0].message, expectedMsg);
+        });
+
+        // @scope for @scope/eslint-plugin
+        describe("(plugin shorthand)", () => {
+            const Module = require("module");
+            let originalFindPath = null;
+
+            /* eslint-disable no-underscore-dangle */
+            before(() => {
+                originalFindPath = Module._findPath;
+                Module._findPath = function(id, ...otherArgs) {
+                    if (id === "@scope/eslint-plugin") {
+                        return path.resolve(__dirname, "../../fixtures/plugin-shorthand/basic/node_modules/@scope/eslint-plugin/index.js");
+                    }
+                    return originalFindPath.call(this, id, ...otherArgs);
+                };
+            });
+            after(() => {
+                Module._findPath = originalFindPath;
+            });
+            /* eslint-enable no-underscore-dangle */
+
+            it("should resolve 'plugins:[\"@scope\"]' to 'node_modules/@scope/eslint-plugin'.", () => {
+                engine = new CLIEngine({ cwd: getFixturePath("plugin-shorthand/basic") });
+                const report = engine.executeOnText("var x = 0", "index.js").results[0];
+
+                assert.strictEqual(report.filePath, getFixturePath("plugin-shorthand/basic/index.js"));
+                assert.strictEqual(report.messages[0].ruleId, "@scope/rule");
+                assert.strictEqual(report.messages[0].message, "OK");
+            });
+
+            it("should resolve 'extends:[\"plugin:@scope/recommended\"]' to 'node_modules/@scope/eslint-plugin'.", () => {
+                engine = new CLIEngine({ cwd: getFixturePath("plugin-shorthand/extends") });
+                const report = engine.executeOnText("var x = 0", "index.js").results[0];
+
+                assert.strictEqual(report.filePath, getFixturePath("plugin-shorthand/extends/index.js"));
+                assert.strictEqual(report.messages[0].ruleId, "@scope/rule");
+                assert.strictEqual(report.messages[0].message, "OK");
+            });
+        });
+        it("should warn when deprecated rules are found in a config", () => {
+            engine = new CLIEngine({
+                cwd: originalDir,
+                useEslintrc: false,
+                configFile: "tests/fixtures/cli-engine/deprecated-rule-config/.eslintrc.yml"
+            });
+
+            const report = engine.executeOnText("foo");
+
+            assert.deepStrictEqual(
+                report.usedDeprecatedRules,
+                [{ ruleId: "indent-legacy", replacedBy: ["indent"] }]
+            );
+        });
+    });
+
+    describe("executeOnFiles()", () => {
+
+        /** @type {InstanceType<import("../../../lib/cli-engine")["CLIEngine"]>} */
+        let engine;
+
+        it("should use correct parser when custom parser is specified", () => {
+
+            engine = new CLIEngine({
+                cwd: originalDir,
+                ignore: false
+            });
+
+            const filePath = path.resolve(__dirname, "../../fixtures/configurations/parser/custom.js");
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 1);
+            assert.strictEqual(report.results[0].messages[0].message, "Parsing error: Boom!");
+
+        });
+
+        it("should report zero messages when given a config file and a valid file", () => {
+
+            engine = new CLIEngine({
+                cwd: originalDir,
+                configFile: ".eslintrc.js"
+            });
+
+            const report = engine.executeOnFiles(["lib/**/cli*.js"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should handle multiple patterns with overlapping files", () => {
+
+            engine = new CLIEngine({
+                cwd: originalDir,
+                configFile: ".eslintrc.js"
+            });
+
+            const report = engine.executeOnFiles(["lib/**/cli*.js", "lib/cli.?s", "lib/{cli,cli-engine/cli-engine}.js"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should report zero messages when given a config file and a valid file and espree as parser", () => {
+
+            engine = new CLIEngine({
+                parser: "espree",
+                envs: ["es6"],
+                useEslintrc: false
+            });
+
+            const report = engine.executeOnFiles(["lib/cli.js"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should report zero messages when given a config file and a valid file and esprima as parser", () => {
+
+            engine = new CLIEngine({
+                parser: "esprima",
+                useEslintrc: false
+            });
+
+            const report = engine.executeOnFiles(["lib/cli.js"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should throw an error when given a config file and a valid file and invalid parser", () => {
+
+            engine = new CLIEngine({
+                parser: "test11",
+                useEslintrc: false
+            });
+
+            assert.throws(() => engine.executeOnFiles(["lib/cli.js"]), "Cannot find module 'test11'");
+        });
+
+        it("should report zero messages when given a directory with a .js2 file", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                extensions: [".js2"]
+            });
+
+            const report = engine.executeOnFiles([getFixturePath("files/foo.js2")]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should report zero messages when given a directory with a .js and a .js2 file", () => {
+
+            engine = new CLIEngine({
+                extensions: [".js", ".js2"],
+                ignore: false,
+                cwd: getFixturePath("..")
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should report zero messages when given a '**' pattern with a .js and a .js2 file", () => {
+
+            engine = new CLIEngine({
+                extensions: [".js", ".js2"],
+                ignore: false,
+                cwd: path.join(fixtureDir, "..")
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/*"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should resolve globs when 'globInputPaths' option is true", () => {
+            engine = new CLIEngine({
+                extensions: [".js", ".js2"],
+                ignore: false,
+                cwd: getFixturePath("..")
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/*"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should not resolve globs when 'globInputPaths' option is false", () => {
+            engine = new CLIEngine({
+                extensions: [".js", ".js2"],
+                ignore: false,
+                cwd: getFixturePath(".."),
+                globInputPaths: false
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["fixtures/files/*"]);
+            }, "No files matching 'fixtures/files/*' were found (glob was disabled).");
+        });
+
+        it("should report on all files passed explicitly, even if ignored by default", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine")
+            });
+
+            const report = engine.executeOnFiles(["node_modules/foo.js"]);
+            const expectedMsg = "File ignored by default. Use \"--ignore-pattern '!node_modules/*'\" to override.";
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].message, expectedMsg);
+        });
+
+        it("should report on globs with explicit inclusion of dotfiles, even though ignored by default", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine"),
+                rules: {
+                    quotes: [2, "single"]
+                }
+            });
+
+            const report = engine.executeOnFiles(["hidden/.hiddenfolder/*.js"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].errorCount, 1);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].fixableErrorCount, 1);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        it("should not check default ignored files without --no-ignore flag", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine")
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["node_modules"]);
+            }, "All files matched by 'node_modules' are ignored.");
+        });
+
+        // https://github.com/eslint/eslint/issues/5547
+        it("should not check node_modules files even with --no-ignore flag", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine"),
+                ignore: false
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["node_modules"]);
+            }, "All files matched by 'node_modules' are ignored.");
+        });
+
+        it("should not check .hidden files if they are passed explicitly without --no-ignore flag", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath(".."),
+                useEslintrc: false,
+                rules: {
+                    quotes: [2, "single"]
+                }
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/.bar.js"]);
+            const expectedMsg = "File ignored by default.  Use a negated ignore pattern (like \"--ignore-pattern '!<relative/path/to/filename>'\") to override.";
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].message, expectedMsg);
+        });
+
+        // https://github.com/eslint/eslint/issues/12873
+        it("should not check files within a .hidden folder if they are passed explicitly without the --no-ignore flag", () => {
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine"),
+                useEslintrc: false,
+                rules: {
+                    quotes: [2, "single"]
+                }
+            });
+
+            const report = engine.executeOnFiles(["hidden/.hiddenfolder/double-quotes.js"]);
+            const expectedMsg = "File ignored by default.  Use a negated ignore pattern (like \"--ignore-pattern '!<relative/path/to/filename>'\") to override.";
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].message, expectedMsg);
+        });
+
+        it("should check .hidden files if they are passed explicitly with --no-ignore flag", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath(".."),
+                ignore: false,
+                useEslintrc: false,
+                rules: {
+                    quotes: [2, "single"]
+                }
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/.bar.js"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].errorCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 1);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+        });
+
+        it("should check .hidden files if they are unignored with an --ignore-pattern", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("cli-engine"),
+                ignore: true,
+                useEslintrc: false,
+                ignorePattern: "!.hidden*",
+                rules: {
+                    quotes: [2, "single"]
+                }
+            });
+
+            const report = engine.executeOnFiles(["hidden/"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].errorCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 1);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+        });
+
+        it("should report zero messages when given a pattern with a .js and a .js2 file", () => {
+
+            engine = new CLIEngine({
+                extensions: [".js", ".js2"],
+                ignore: false,
+                cwd: path.join(fixtureDir, "..")
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/*.?s*"]);
+
+            assert.strictEqual(report.results.length, 2);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+        });
+
+        it("should return one error message when given a config with rules with options and severity level set to error", () => {
+
+            engine = new CLIEngine({
+                cwd: getFixturePath("configurations"),
+                configFile: getFixturePath("configurations", "quotes-error.json")
+            });
+            const report = engine.executeOnFiles([getFixturePath("single-quoted.js")]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 1);
+            assert.strictEqual(report.errorCount, 1);
+            assert.strictEqual(report.warningCount, 0);
+            assert.strictEqual(report.fixableErrorCount, 1);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+            assert.strictEqual(report.results[0].errorCount, 1);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].fixableErrorCount, 1);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        it("should return 3 messages when given a config file and a directory of 3 valid files", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                configFile: getFixturePath("configurations", "semi-error.json")
+            });
+
+            const report = engine.executeOnFiles([getFixturePath("formatters")]);
+
+            assert.strictEqual(report.results.length, 3);
+            assert.strictEqual(report.errorCount, 0);
+            assert.strictEqual(report.warningCount, 0);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].messages.length, 0);
+            assert.strictEqual(report.results[1].messages.length, 0);
+            assert.strictEqual(report.results[2].messages.length, 0);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[1].errorCount, 0);
+            assert.strictEqual(report.results[1].warningCount, 0);
+            assert.strictEqual(report.results[1].fixableErrorCount, 0);
+            assert.strictEqual(report.results[1].fixableWarningCount, 0);
+            assert.strictEqual(report.results[2].errorCount, 0);
+            assert.strictEqual(report.results[2].warningCount, 0);
+            assert.strictEqual(report.results[2].fixableErrorCount, 0);
+            assert.strictEqual(report.results[2].fixableWarningCount, 0);
+        });
+
+
+        it("should return the total number of errors when given multiple files", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                configFile: getFixturePath("configurations", "single-quotes-error.json")
+            });
+
+            const report = engine.executeOnFiles([getFixturePath("formatters")]);
+
+            assert.strictEqual(report.errorCount, 6);
+            assert.strictEqual(report.warningCount, 0);
+            assert.strictEqual(report.fixableErrorCount, 6);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+            assert.strictEqual(report.results[1].errorCount, 3);
+            assert.strictEqual(report.results[1].warningCount, 0);
+            assert.strictEqual(report.results[1].fixableErrorCount, 3);
+            assert.strictEqual(report.results[1].fixableWarningCount, 0);
+            assert.strictEqual(report.results[2].errorCount, 3);
+            assert.strictEqual(report.results[2].warningCount, 0);
+            assert.strictEqual(report.results[2].fixableErrorCount, 3);
+            assert.strictEqual(report.results[2].fixableWarningCount, 0);
+        });
+
+        it("should process when file is given by not specifying extensions", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                cwd: path.join(fixtureDir, "..")
+            });
+
+            const report = engine.executeOnFiles(["fixtures/files/foo.js2"]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages when given a config with environment set to browser", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                configFile: getFixturePath("configurations", "env-browser.json")
+            });
+
+            const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("globals-browser.js"))]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages when given an option to set environment to browser", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                envs: ["browser"],
+                rules: {
+                    "no-alert": 0,
+                    "no-undef": 2
+                }
+            });
+
+            const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("globals-browser.js"))]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages when given a config with environment set to Node.js", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                configFile: getFixturePath("configurations", "env-node.json")
+            });
+
+            const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("globals-node.js"))]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should not return results from previous call when calling more than once", () => {
+
+            engine = new CLIEngine({
+                cwd: path.join(fixtureDir, ".."),
+                ignore: false,
+                rules: {
+                    semi: 2
+                }
+            });
+
+            const failFilePath = fs.realpathSync(getFixturePath("missing-semicolon.js"));
+            const passFilePath = fs.realpathSync(getFixturePath("passing.js"));
+
+            let report = engine.executeOnFiles([failFilePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, failFilePath);
+            assert.strictEqual(report.results[0].messages.length, 1);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "semi");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+
+            report = engine.executeOnFiles([passFilePath]);
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, passFilePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+
+        });
+
+        it("should throw an error when given a directory with all eslint excluded files in the directory", () => {
+
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore")
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles([getFixturePath("./cli-engine/")]);
+            }, `All files matched by '${getFixturePath("./cli-engine/")}' are ignored.`);
+        });
+
+        it("should throw an error when all given files are ignored", () => {
+
+            assert.throws(() => {
+                engine.executeOnFiles(["tests/fixtures/cli-engine/"]);
+            }, "All files matched by 'tests/fixtures/cli-engine/' are ignored.");
+        });
+
+        it("should throw an error when all given files are ignored even with a `./` prefix", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore")
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["./tests/fixtures/cli-engine/"]);
+            }, "All files matched by './tests/fixtures/cli-engine/' are ignored.");
+        });
+
+        // https://github.com/eslint/eslint/issues/3788
+        it("should ignore one-level down node_modules when ignore file has 'node_modules/' in it", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath("cli-engine", "nested_node_modules", ".eslintignore"),
+                useEslintrc: false,
+                rules: {
+                    quotes: [2, "double"]
+                },
+                cwd: getFixturePath("cli-engine", "nested_node_modules")
+            });
+
+            const report = engine.executeOnFiles(["."]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 0);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        // https://github.com/eslint/eslint/issues/3812
+        it("should ignore all files and throw an error when tests/fixtures/ is in ignore file", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath("cli-engine/.eslintignore2"),
+                useEslintrc: false,
+                rules: {
+                    quotes: [2, "double"]
+                }
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["./tests/fixtures/cli-engine/"]);
+            }, "All files matched by './tests/fixtures/cli-engine/' are ignored.");
+        });
+
+        it("should throw an error when all given files are ignored via ignore-pattern", () => {
+            engine = new CLIEngine({
+                ignorePattern: "tests/fixtures/single-quoted.js"
+            });
+
+            assert.throws(() => {
+                engine.executeOnFiles(["tests/fixtures/*-quoted.js"]);
+            }, "All files matched by 'tests/fixtures/*-quoted.js' are ignored.");
+        });
+
+        it("should return a warning when an explicitly given file is ignored", () => {
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore"),
+                cwd: getFixturePath()
+            });
+
+            const filePath = getFixturePath("passing.js");
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.errorCount, 0);
+            assert.strictEqual(report.warningCount, 1);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages[0].severity, 1);
+            assert.strictEqual(report.results[0].messages[0].message, "File ignored because of a matching ignore pattern. Use \"--no-ignore\" to override.");
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.results[0].fixableErrorCount, 0);
+            assert.strictEqual(report.results[0].fixableWarningCount, 0);
+        });
+
+        it("should return two messages when given a file in excluded files list while ignore is off", () => {
+
+            engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore"),
+                ignore: false,
+                rules: {
+                    "no-undef": 2
+                }
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("undef.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "no-undef");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+            assert.strictEqual(report.results[0].messages[1].ruleId, "no-undef");
+            assert.strictEqual(report.results[0].messages[1].severity, 2);
+        });
+
+        it("should return zero messages when executing a file with a shebang", () => {
+
+            engine = new CLIEngine({
+                ignore: false
+            });
+
+            const report = engine.executeOnFiles([getFixturePath("shebang.js")]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should give a warning when loading a custom rule that doesn't exist", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                rulesPaths: [getFixturePath("rules", "dir1")],
+                configFile: getFixturePath("rules", "missing-rule.json")
+            });
+            const report = engine.executeOnFiles([getFixturePath("rules", "test", "test-custom-rule.js")]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].messages.length, 1);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "missing-rule");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+            assert.strictEqual(report.results[0].messages[0].message, "Definition for rule 'missing-rule' was not found.");
+
+
+        });
+
+        it("should throw an error when loading a bad custom rule", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                rulePaths: [getFixturePath("rules", "wrong")],
+                configFile: getFixturePath("rules", "eslint.json")
+            });
+
+
+            assert.throws(() => {
+                engine.executeOnFiles([getFixturePath("rules", "test", "test-custom-rule.js")]);
+            }, /Error while loading rule 'custom-rule'/u);
+        });
+
+        it("should return one message when a custom rule matches a file", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                useEslintrc: false,
+                rulePaths: [getFixturePath("rules/")],
+                configFile: getFixturePath("rules", "eslint.json")
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 2);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "custom-rule");
+            assert.strictEqual(report.results[0].messages[0].severity, 1);
+        });
+
+        it("should load custom rule from the provided cwd", () => {
+            const cwd = path.resolve(getFixturePath("rules"));
+
+            engine = new CLIEngine({
+                ignore: false,
+                cwd,
+                rulePaths: ["./"],
+                configFile: "eslint.json"
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 2);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "custom-rule");
+            assert.strictEqual(report.results[0].messages[0].severity, 1);
+        });
+
+        it("should return messages when multiple custom rules match a file", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                rulePaths: [
+                    getFixturePath("rules", "dir1"),
+                    getFixturePath("rules", "dir2")
+                ],
+                configFile: getFixturePath("rules", "multi-rulesdirs.json")
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("rules", "test-multi-rulesdirs.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 2);
+            assert.strictEqual(report.results[0].messages[0].ruleId, "no-literals");
+            assert.strictEqual(report.results[0].messages[0].severity, 2);
+            assert.strictEqual(report.results[0].messages[1].ruleId, "no-strings");
+            assert.strictEqual(report.results[0].messages[1].severity, 2);
+        });
+
+        it("should return zero messages when executing without useEslintrc flag", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                useEslintrc: false
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("missing-semicolon.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages when executing without useEslintrc flag in Node.js environment", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                useEslintrc: false,
+                envs: ["node"]
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("process-exit.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages when executing with base-config flag set to false", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                baseConfig: false,
+                useEslintrc: false
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("missing-semicolon.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages and ignore .eslintrc files when executing with no-eslintrc flag", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                useEslintrc: false,
+                envs: ["node"]
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("eslintrc", "quotes.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should return zero messages and ignore package.json files when executing with no-eslintrc flag", () => {
+
+            engine = new CLIEngine({
+                ignore: false,
+                useEslintrc: false,
+                envs: ["node"]
+            });
+
+            const filePath = fs.realpathSync(getFixturePath("packagejson", "quotes.js"));
+
+            const report = engine.executeOnFiles([filePath]);
+
+            assert.strictEqual(report.results.length, 1);
+            assert.strictEqual(report.results[0].filePath, filePath);
+            assert.strictEqual(report.results[0].messages.length, 0);
+        });
+
+        it("should warn when deprecated rules are configured", () => {
+            engine = new CLIEngine({
+                cwd: originalDir,
+                configFile: ".eslintrc.js",
+                rules: {
+                    "indent-legacy": 1,
+                    "require-jsdoc": 1,
+                    "valid-jsdoc": 1
+                }
+            });
+
+            const report = engine.executeOnFiles(["lib/cli*.js"]);
+
+            assert.sameDeepMembers(
+                report.usedDeprecatedRules,
+                [
+                    { ruleId: "indent-legacy", replacedBy: ["indent"] },
+                    { ruleId: "require-jsdoc", replacedBy: [] },
+                    { ruleId: "valid-jsdoc", replacedBy: [] }
+                ]
+            );
+        });
+
+        it("should not warn when deprecated rules are not configured", () => {
+            engine = new CLIEngine({
+                cwd: originalDir,
+                configFile: ".eslintrc.js",
+                rules: { indent: 1, "valid-jsdoc": 0, "require-jsdoc": 0 }
+            });
+
+            const report = engine.executeOnFiles(["lib/cli*.js"]);
+
+            assert.deepStrictEqual(report.usedDeprecatedRules, []);
+        });
+
+        it("should warn when deprecated rules are found in a config", () => {
+            engine = new CLIEngine({
+                cwd: originalDir,
+                configFile: "tests/fixtures/cli-engine/deprecated-rule-config/.eslintrc.yml",
+                useEslintrc: false
+            });
+
+            const report = engine.executeOnFiles(["lib/cli*.js"]);
+
+            assert.deepStrictEqual(
+                report.usedDeprecatedRules,
+                [{ ruleId: "indent-legacy", replacedBy: ["indent"] }]
+            );
+        });
+
+        describe("Fix Mode", () => {
+
+            it("should return fixed text on multiple files when in fix mode", () => {
+
+                /**
+                 * Converts CRLF to LF in output.
+                 * This is a workaround for git's autocrlf option on Windows.
+                 * @param {Object} result A result object to convert.
+                 * @returns {void}
+                 */
+                function convertCRLF(result) {
+                    if (result && result.output) {
+                        result.output = result.output.replace(/\r\n/gu, "\n");
+                    }
+                }
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    fix: true,
+                    rules: {
+                        semi: 2,
+                        quotes: [2, "double"],
+                        eqeqeq: 2,
+                        "no-undef": 2,
+                        "space-infix-ops": 2
+                    }
+                });
+
+                const report = engine.executeOnFiles([path.resolve(fixtureDir, `${fixtureDir}/fixmode`)]);
+
+                report.results.forEach(convertCRLF);
+                assert.deepStrictEqual(report.results, [
+                    {
+                        filePath: fs.realpathSync(path.resolve(fixtureDir, "fixmode/multipass.js")),
+                        messages: [],
+                        errorCount: 0,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        output: "true ? \"yes\" : \"no\";\n"
+                    },
+                    {
+                        filePath: fs.realpathSync(path.resolve(fixtureDir, "fixmode/ok.js")),
+                        messages: [],
+                        errorCount: 0,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0
+                    },
+                    {
+                        filePath: fs.realpathSync(path.resolve(fixtureDir, "fixmode/quotes-semi-eqeqeq.js")),
+                        messages: [
+                            {
+                                column: 9,
+                                line: 2,
+                                endColumn: 11,
+                                endLine: 2,
+                                message: "Expected '===' and instead saw '=='.",
+                                messageId: "unexpected",
+                                nodeType: "BinaryExpression",
+                                ruleId: "eqeqeq",
+                                severity: 2
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        output: "var msg = \"hi\";\nif (msg == \"hi\") {\n\n}\n"
+                    },
+                    {
+                        filePath: fs.realpathSync(path.resolve(fixtureDir, "fixmode/quotes.js")),
+                        messages: [
+                            {
+                                column: 18,
+                                line: 1,
+                                endColumn: 21,
+                                endLine: 1,
+                                messageId: "undef",
+                                message: "'foo' is not defined.",
+                                nodeType: "Identifier",
+                                ruleId: "no-undef",
+                                severity: 2
+                            }
+                        ],
+                        errorCount: 1,
+                        warningCount: 0,
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        output: "var msg = \"hi\" + foo;\n"
+                    }
+                ]);
+                assert.strictEqual(report.errorCount, 2);
+                assert.strictEqual(report.warningCount, 0);
+                assert.strictEqual(report.fixableErrorCount, 0);
+                assert.strictEqual(report.fixableWarningCount, 0);
+            });
+
+            it("should run autofix even if files are cached without autofix results", () => {
+                const baseOptions = {
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    rules: {
+                        semi: 2,
+                        quotes: [2, "double"],
+                        eqeqeq: 2,
+                        "no-undef": 2,
+                        "space-infix-ops": 2
+                    }
+                };
+
+                engine = new CLIEngine(Object.assign({}, baseOptions, { cache: true, fix: false }));
+
+                // Do initial lint run and populate the cache file
+                engine.executeOnFiles([path.resolve(fixtureDir, `${fixtureDir}/fixmode`)]);
+
+                engine = new CLIEngine(Object.assign({}, baseOptions, { cache: true, fix: true }));
+
+                const report = engine.executeOnFiles([path.resolve(fixtureDir, `${fixtureDir}/fixmode`)]);
+
+                assert.ok(report.results.some(result => result.output));
+            });
+
+        });
+
+        // These tests have to do with https://github.com/eslint/eslint/issues/963
+
+        describe("configuration hierarchy", () => {
+
+            // Default configuration - blank
+            it("should return zero messages when executing with no .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // No default configuration rules - conf/environments.js (/*eslint-env node*/)
+            it("should return zero messages when executing with no .eslintrc in the Node.js environment", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    reset: true,
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes-node.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Project configuration - first level .eslintrc
+            it("should return zero messages when executing with .eslintrc in the Node.js environment", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/process-exit.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Project configuration - first level .eslintrc
+            it("should return zero messages when executing with .eslintrc in the Node.js environment", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/process-exit.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Project configuration - first level .eslintrc
+            it("should return one message when executing with .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 2);
+            });
+
+            // Project configuration - second level .eslintrc
+            it("should return one message when executing with local .eslintrc that overrides parent .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/subbroken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "no-console");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+            // Project configuration - third level .eslintrc
+            it("should return one message when executing with local .eslintrc that overrides parent and grandparent .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/subbroken/subsubbroken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+            // Project configuration - first level package.json
+            it("should return one message when executing with package.json", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/packagejson/subdir/wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+            // Project configuration - second level package.json
+            it("should return zero messages when executing with local package.json that overrides parent package.json", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/packagejson/subdir/subsubdir/wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Project configuration - third level package.json
+            it("should return one message when executing with local package.json that overrides parent and grandparent package.json", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/packagejson/subdir/subsubdir/subsubsubdir/wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 2);
+            });
+
+            // Project configuration - .eslintrc overrides package.json in same directory
+            it("should return one message when executing with .eslintrc that overrides a package.json in the same directory", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/packagejson/wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 2);
+            });
+
+            // Command line configuration - --config with first level .eslintrc
+            it("should return two messages when executing with config file that adds to local .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: `${fixtureDir}/config-hierarchy/broken/add-conf.yaml`
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 2);
+                assert.strictEqual(report.results[0].messages[1].ruleId, "semi");
+                assert.strictEqual(report.results[0].messages[1].severity, 1);
+            });
+
+            // Command line configuration - --config with first level .eslintrc
+            it("should return no messages when executing with config file that overrides local .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: `${fixtureDir}/config-hierarchy/broken/override-conf.yaml`
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Command line configuration - --config with second level .eslintrc
+            it("should return two messages when executing with config file that adds to local and parent .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: `${fixtureDir}/config-hierarchy/broken/add-conf.yaml`
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/subbroken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "no-console");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+                assert.strictEqual(report.results[0].messages[1].ruleId, "semi");
+                assert.strictEqual(report.results[0].messages[1].severity, 1);
+            });
+
+            // Command line configuration - --config with second level .eslintrc
+            it("should return one message when executing with config file that overrides local and parent .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("config-hierarchy/broken/override-conf.yaml")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/subbroken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "no-console");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+            // Command line configuration - --config with first level .eslintrc
+            it("should return no messages when executing with config file that overrides local .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: `${fixtureDir}/config-hierarchy/broken/override-conf.yaml`
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 0);
+            });
+
+            // Command line configuration - --rule with --config and first level .eslintrc
+            it("should return one message when executing with command line rule and config file that overrides local .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("config-hierarchy/broken/override-conf.yaml"),
+                    rules: {
+                        quotes: [1, "double"]
+                    }
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(`${fixtureDir}/config-hierarchy/broken/console-wrong-quotes.js`)]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+            // Command line configuration - --rule with --config and first level .eslintrc
+            it("should return one message when executing with command line rule and config file that overrides local .eslintrc", () => {
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("/config-hierarchy/broken/override-conf.yaml"),
+                    rules: {
+                        quotes: [1, "double"]
+                    }
+                });
+
+                const report = engine.executeOnFiles([getFixturePath("config-hierarchy/broken/console-wrong-quotes.js")]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "quotes");
+                assert.strictEqual(report.results[0].messages[0].severity, 1);
+            });
+
+        });
+
+        describe("plugins", () => {
+            it("should return two messages when executing with config file that specifies a plugin", () => {
+                engine = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("configurations", "plugins-with-prefix.json"),
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test/test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "example/example-rule");
+            });
+
+            it("should return two messages when executing with config file that specifies a plugin with namespace", () => {
+                engine = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("configurations", "plugins-with-prefix-and-namespace.json"),
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "@eslint/example/example-rule");
+            });
+
+            it("should return two messages when executing with config file that specifies a plugin without prefix", () => {
+                engine = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("configurations", "plugins-without-prefix.json"),
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "example/example-rule");
+            });
+
+            it("should return two messages when executing with config file that specifies a plugin without prefix and with namespace", () => {
+                engine = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    configFile: getFixturePath("configurations", "plugins-without-prefix-with-namespace.json"),
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "@eslint/example/example-rule");
+            });
+
+            it("should return two messages when executing with cli option that specifies a plugin", () => {
+                engine = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    plugins: ["example"],
+                    rules: { "example/example-rule": 1 }
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "example/example-rule");
+            });
+
+            it("should return two messages when executing with cli option that specifies preloaded plugin", () => {
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    plugins: ["test"],
+                    rules: { "test/example-rule": 1 }
+                });
+
+                engine.addPlugin("eslint-plugin-test", { rules: { "example-rule": require("../../fixtures/rules/custom-rule") } });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("rules", "test", "test-custom-rule.js"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "test/example-rule");
+            });
+
+            it("should load plugins from the `loadPluginsRelativeTo` directory, if specified", () => {
+                engine = new CLIEngine({
+                    resolvePluginsRelativeTo: getFixturePath("plugins"),
+                    baseConfig: {
+                        plugins: ["with-rules"],
+                        rules: { "with-rules/rule1": "error" }
+                    },
+                    useEslintrc: false
+                });
+
+                const report = engine.executeOnText("foo");
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].ruleId, "with-rules/rule1");
+                assert.strictEqual(report.results[0].messages[0].message, "Rule report from plugin");
+            });
+        });
+
+        describe("cache", () => {
+
+            /**
+             * helper method to delete a file without caring about exceptions
+             * @param {string} filePath The file path
+             * @returns {void}
+             */
+            function doDelete(filePath) {
+                try {
+                    fs.unlinkSync(filePath);
+                } catch (ex) {
+
+                    /*
+                     * we don't care if the file didn't exist, since our
+                     * intention was to remove the file
+                     */
+                }
+            }
+
+            /**
+             * helper method to delete the cache files created during testing
+             * @returns {void}
+             */
+            function deleteCache() {
+                doDelete(path.resolve(".eslintcache"));
+                doDelete(path.resolve(".cache/custom-cache"));
+            }
+
+            beforeEach(() => {
+                deleteCache();
+            });
+
+            afterEach(() => {
+                sinon.restore();
+                deleteCache();
+            });
+
+            describe("when the cacheFile is a directory or looks like a directory", () => {
+
+                /**
+                 * helper method to delete the cache files created during testing
+                 * @returns {void}
+                 */
+                function deleteCacheDir() {
+                    try {
+                        fs.unlinkSync("./tmp/.cacheFileDir/.cache_hashOfCurrentWorkingDirectory");
+                    } catch (ex) {
+
+                        /*
+                         * we don't care if the file didn't exist, since our
+                         * intention was to remove the file
+                         */
+                    }
+                }
+                beforeEach(() => {
+                    deleteCacheDir();
+                });
+
+                afterEach(() => {
+                    deleteCacheDir();
+                });
+
+                it("should create the cache file inside the provided directory", () => {
+                    assert.isFalse(shell.test("-d", path.resolve("./tmp/.cacheFileDir/.cache_hashOfCurrentWorkingDirectory")), "the cache for eslint does not exist");
+
+                    engine = new CLIEngine({
+                        useEslintrc: false,
+
+                        // specifying cache true the cache will be created
+                        cache: true,
+                        cacheFile: "./tmp/.cacheFileDir/",
+                        rules: {
+                            "no-console": 0,
+                            "no-unused-vars": 2
+                        },
+                        extensions: ["js"],
+                        ignore: false
+                    });
+
+                    const file = getFixturePath("cache/src", "test-file.js");
+
+                    engine.executeOnFiles([file]);
+
+                    assert.isTrue(shell.test("-f", path.resolve(`./tmp/.cacheFileDir/.cache_${hash(process.cwd())}`)), "the cache for eslint was created");
+
+                    sinon.restore();
+                });
+            });
+
+            it("should create the cache file inside the provided directory using the cacheLocation option", () => {
+                assert.isFalse(shell.test("-d", path.resolve("./tmp/.cacheFileDir/.cache_hashOfCurrentWorkingDirectory")), "the cache for eslint does not exist");
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    cacheLocation: "./tmp/.cacheFileDir/",
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                const file = getFixturePath("cache/src", "test-file.js");
+
+                engine.executeOnFiles([file]);
+
+                assert.isTrue(shell.test("-f", path.resolve(`./tmp/.cacheFileDir/.cache_${hash(process.cwd())}`)), "the cache for eslint was created");
+
+                sinon.restore();
+            });
+
+            it("should create the cache file inside cwd when no cacheLocation provided", () => {
+                const cwd = path.resolve(getFixturePath("cli-engine"));
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+                    cache: true,
+                    cwd,
+                    rules: {
+                        "no-console": 0
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                const file = getFixturePath("cli-engine", "console.js");
+
+                engine.executeOnFiles([file]);
+
+                assert.isTrue(shell.test("-f", path.resolve(cwd, ".eslintcache")), "the cache for eslint was created at provided cwd");
+            });
+
+            it("should invalidate the cache if the configuration changed between executions", () => {
+                assert.isFalse(shell.test("-f", path.resolve(".eslintcache")), "the cache for eslint does not exist");
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                let spy = sinon.spy(fs, "readFileSync");
+
+                let file = getFixturePath("cache/src", "test-file.js");
+
+                file = fs.realpathSync(file);
+
+                const result = engine.executeOnFiles([file]);
+
+                assert.strictEqual(result.errorCount + result.warningCount, 0, "the file passed without errors or warnings");
+                assert.strictEqual(spy.getCall(0).args[0], file, "the module read the file because is considered changed");
+                assert.isTrue(shell.test("-f", path.resolve(".eslintcache")), "the cache for eslint was created");
+
+                // destroy the spy
+                sinon.restore();
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    rules: {
+                        "no-console": 2,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                // create a new spy
+                spy = sinon.spy(fs, "readFileSync");
+
+                const cachedResult = engine.executeOnFiles([file]);
+
+                assert.strictEqual(spy.getCall(0).args[0], file, "the module read the file because is considered changed because the config changed");
+                assert.strictEqual(cachedResult.errorCount, 1, "since configuration changed the cache was not used an one error was reported");
+                assert.isTrue(shell.test("-f", path.resolve(".eslintcache")), "the cache for eslint was created");
+            });
+
+            it("should remember the files from a previous run and do not operate on them if not changed", () => {
+
+                assert.isFalse(shell.test("-f", path.resolve(".eslintcache")), "the cache for eslint does not exist");
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                let spy = sinon.spy(fs, "readFileSync");
+
+                let file = getFixturePath("cache/src", "test-file.js");
+
+                file = fs.realpathSync(file);
+
+                const result = engine.executeOnFiles([file]);
+
+                assert.strictEqual(spy.getCall(0).args[0], file, "the module read the file because is considered changed");
+                assert.isTrue(shell.test("-f", path.resolve(".eslintcache")), "the cache for eslint was created");
+
+                // destroy the spy
+                sinon.restore();
+
+                engine = new CLIEngine({
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    ignore: false
+                });
+
+                // create a new spy
+                spy = sinon.spy(fs, "readFileSync");
+
+                const cachedResult = engine.executeOnFiles([file]);
+
+                assert.deepStrictEqual(result, cachedResult, "the result is the same regardless of using cache or not");
+
+                // assert the file was not processed because the cache was used
+                assert.isFalse(spy.calledWith(file), "the file was not loaded because it used the cache");
+            });
+
+            it("should remember the files from a previous run and do not operate on then if not changed", () => {
+
+                const cacheFile = getFixturePath(".eslintcache");
+                const cliEngineOptions = {
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"],
+                    cwd: path.join(fixtureDir, "..")
+                };
+
+                assert.isFalse(shell.test("-f", cacheFile), "the cache for eslint does not exist");
+
+                engine = new CLIEngine(cliEngineOptions);
+
+                let file = getFixturePath("cache/src", "test-file.js");
+
+                file = fs.realpathSync(file);
+
+                engine.executeOnFiles([file]);
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint was created");
+
+                cliEngineOptions.cache = false;
+                engine = new CLIEngine(cliEngineOptions);
+
+                engine.executeOnFiles([file]);
+
+                assert.isFalse(shell.test("-f", cacheFile), "the cache for eslint was deleted since last run did not used the cache");
+            });
+
+            it("should store in the cache a file that failed the test", () => {
+
+                const cacheFile = getFixturePath(".eslintcache");
+
+                assert.isFalse(shell.test("-f", cacheFile), "the cache for eslint does not exist");
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                const badFile = fs.realpathSync(getFixturePath("cache/src", "fail-file.js"));
+                const goodFile = fs.realpathSync(getFixturePath("cache/src", "test-file.js"));
+
+                const result = engine.executeOnFiles([badFile, goodFile]);
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint was created");
+
+                const fileCache = fCache.createFromFile(cacheFile);
+                const { cache } = fileCache;
+
+                assert.isTrue(typeof cache.getKey(goodFile) === "object", "the entry for the good file is in the cache");
+
+                assert.isTrue(typeof cache.getKey(badFile) === "object", "the entry for the bad file is in the cache");
+
+                const cachedResult = engine.executeOnFiles([badFile, goodFile]);
+
+                assert.deepStrictEqual(result, cachedResult, "result is the same with or without cache");
+            });
+
+            it("should not contain in the cache a file that was deleted", () => {
+
+                const cacheFile = getFixturePath(".eslintcache");
+
+                doDelete(cacheFile);
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                const badFile = fs.realpathSync(getFixturePath("cache/src", "fail-file.js"));
+                const goodFile = fs.realpathSync(getFixturePath("cache/src", "test-file.js"));
+                const toBeDeletedFile = fs.realpathSync(getFixturePath("cache/src", "file-to-delete.js"));
+
+                engine.executeOnFiles([badFile, goodFile, toBeDeletedFile]);
+
+                const fileCache = fCache.createFromFile(cacheFile);
+                let { cache } = fileCache;
+
+                assert.isTrue(typeof cache.getKey(toBeDeletedFile) === "object", "the entry for the file to be deleted is in the cache");
+
+                // delete the file from the file system
+                fs.unlinkSync(toBeDeletedFile);
+
+                /*
+                 * file-entry-cache@2.0.0 will remove from the cache deleted files
+                 * even when they were not part of the array of files to be analyzed
+                 */
+                engine.executeOnFiles([badFile, goodFile]);
+
+                cache = JSON.parse(fs.readFileSync(cacheFile));
+
+                assert.isTrue(typeof cache[toBeDeletedFile] === "undefined", "the entry for the file to be deleted is not in the cache");
+            });
+
+            it("should contain files that were not visited in the cache provided they still exist", () => {
+
+                const cacheFile = getFixturePath(".eslintcache");
+
+                doDelete(cacheFile);
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+
+                    // specifying cache true the cache will be created
+                    cache: true,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                const badFile = fs.realpathSync(getFixturePath("cache/src", "fail-file.js"));
+                const goodFile = fs.realpathSync(getFixturePath("cache/src", "test-file.js"));
+                const testFile2 = fs.realpathSync(getFixturePath("cache/src", "test-file2.js"));
+
+                engine.executeOnFiles([badFile, goodFile, testFile2]);
+
+                let fileCache = fCache.createFromFile(cacheFile);
+                let { cache } = fileCache;
+
+                assert.isTrue(typeof cache.getKey(testFile2) === "object", "the entry for the test-file2 is in the cache");
+
+                /*
+                 * we pass a different set of files minus test-file2
+                 * previous version of file-entry-cache would remove the non visited
+                 * entries. 2.0.0 version will keep them unless they don't exist
+                 */
+                engine.executeOnFiles([badFile, goodFile]);
+
+                fileCache = fCache.createFromFile(cacheFile);
+                cache = fileCache.cache;
+
+                assert.isTrue(typeof cache.getKey(testFile2) === "object", "the entry for the test-file2 is in the cache");
+            });
+
+            it("should not delete cache when executing on text", () => {
+                const cacheFile = getFixturePath(".eslintcache");
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint exists");
+
+                engine.executeOnText("var foo = 'bar';");
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint still exists");
+            });
+
+            it("should not delete cache when executing on text with a provided filename", () => {
+                const cacheFile = getFixturePath(".eslintcache");
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint exists");
+
+                engine.executeOnText("var bar = foo;", "fixtures/passing.js");
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint still exists");
+            });
+
+            it("should not delete cache when executing on files with --cache flag", () => {
+                const cacheFile = getFixturePath(".eslintcache");
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    cache: true,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                const file = getFixturePath("cli-engine", "console.js");
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint exists");
+
+                engine.executeOnFiles([file]);
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint still exists");
+            });
+
+            it("should delete cache when executing on files without --cache flag", () => {
+                const cacheFile = getFixturePath(".eslintcache");
+
+                engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    cacheFile,
+                    rules: {
+                        "no-console": 0,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js"]
+                });
+
+                const file = getFixturePath("cli-engine", "console.js");
+
+                assert.isTrue(shell.test("-f", cacheFile), "the cache for eslint exists");
+
+                engine.executeOnFiles([file]);
+
+                assert.isFalse(shell.test("-f", cacheFile), "the cache for eslint has been deleted");
+            });
+
+            describe("cacheFile", () => {
+                it("should use the specified cache file", () => {
+                    const customCacheFile = path.resolve(".cache/custom-cache");
+
+                    assert.isFalse(shell.test("-f", customCacheFile), "the cache for eslint does not exist");
+
+                    engine = new CLIEngine({
+                        useEslintrc: false,
+
+                        // specify a custom cache file
+                        cacheFile: customCacheFile,
+
+                        // specifying cache true the cache will be created
+                        cache: true,
+                        rules: {
+                            "no-console": 0,
+                            "no-unused-vars": 2
+                        },
+                        extensions: ["js"],
+                        cwd: path.join(fixtureDir, "..")
+                    });
+
+                    const badFile = fs.realpathSync(getFixturePath("cache/src", "fail-file.js"));
+                    const goodFile = fs.realpathSync(getFixturePath("cache/src", "test-file.js"));
+
+                    const result = engine.executeOnFiles([badFile, goodFile]);
+
+                    assert.isTrue(shell.test("-f", customCacheFile), "the cache for eslint was created");
+
+                    const fileCache = fCache.createFromFile(customCacheFile);
+                    const { cache } = fileCache;
+
+                    assert.isTrue(typeof cache.getKey(goodFile) === "object", "the entry for the good file is in the cache");
+
+                    assert.isTrue(typeof cache.getKey(badFile) === "object", "the entry for the bad file is in the cache");
+
+                    const cachedResult = engine.executeOnFiles([badFile, goodFile]);
+
+                    assert.deepStrictEqual(result, cachedResult, "result is the same with or without cache");
+                });
+            });
+        });
+
+        describe("processors", () => {
+            it("should return two messages when executing with config file that specifies a processor", () => {
+                engine = cliEngineWithPlugins({
+                    configFile: getFixturePath("configurations", "processors.json"),
+                    useEslintrc: false,
+                    extensions: ["js", "txt"],
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("processors", "test", "test-processor.txt"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+            });
+            it("should return two messages when executing with config file that specifies preloaded processor", () => {
+                engine = new CLIEngine({
+                    useEslintrc: false,
+                    plugins: ["test-processor"],
+                    rules: {
+                        "no-console": 2,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js", "txt"],
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                engine.addPlugin("test-processor", {
+                    processors: {
+                        ".txt": {
+                            preprocess(text) {
+                                return [text];
+                            },
+                            postprocess(messages) {
+                                return messages[0];
+                            }
+                        }
+                    }
+                });
+
+                const report = engine.executeOnFiles([fs.realpathSync(getFixturePath("processors", "test", "test-processor.txt"))]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 2);
+            });
+            it("should run processors when calling executeOnFiles with config file that specifies a processor", () => {
+                engine = cliEngineWithPlugins({
+                    configFile: getFixturePath("configurations", "processors.json"),
+                    useEslintrc: false,
+                    extensions: ["js", "txt"],
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                const report = engine.executeOnFiles([getFixturePath("processors", "test", "test-processor.txt")]);
+
+                assert.strictEqual(report.results[0].messages[0].message, "'b' is defined but never used.");
+                assert.strictEqual(report.results[0].messages[0].ruleId, "post-processed");
+            });
+            it("should run processors when calling executeOnFiles with config file that specifies preloaded processor", () => {
+                engine = new CLIEngine({
+                    useEslintrc: false,
+                    plugins: ["test-processor"],
+                    rules: {
+                        "no-console": 2,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js", "txt"],
+                    cwd: path.join(fixtureDir, "..")
+                });
+
+                engine.addPlugin("test-processor", {
+                    processors: {
+                        ".txt": {
+                            preprocess(text) {
+                                return [text.replace("a()", "b()")];
+                            },
+                            postprocess(messages) {
+                                messages[0][0].ruleId = "post-processed";
+                                return messages[0];
+                            }
+                        }
+                    }
+                });
+
+                const report = engine.executeOnFiles([getFixturePath("processors", "test", "test-processor.txt")]);
+
+                assert.strictEqual(report.results[0].messages[0].message, "'b' is defined but never used.");
+                assert.strictEqual(report.results[0].messages[0].ruleId, "post-processed");
+            });
+            it("should run processors when calling executeOnText with config file that specifies a processor", () => {
+                engine = cliEngineWithPlugins({
+                    configFile: getFixturePath("configurations", "processors.json"),
+                    useEslintrc: false,
+                    extensions: ["js", "txt"],
+                    ignore: false
+                });
+
+                const report = engine.executeOnText("function a() {console.log(\"Test\");}", "tests/fixtures/processors/test/test-processor.txt");
+
+                assert.strictEqual(report.results[0].messages[0].message, "'b' is defined but never used.");
+                assert.strictEqual(report.results[0].messages[0].ruleId, "post-processed");
+            });
+            it("should run processors when calling executeOnText with config file that specifies preloaded processor", () => {
+                engine = new CLIEngine({
+                    useEslintrc: false,
+                    plugins: ["test-processor"],
+                    rules: {
+                        "no-console": 2,
+                        "no-unused-vars": 2
+                    },
+                    extensions: ["js", "txt"],
+                    ignore: false
+                });
+
+                engine.addPlugin("test-processor", {
+                    processors: {
+                        ".txt": {
+                            preprocess(text) {
+                                return [text.replace("a()", "b()")];
+                            },
+                            postprocess(messages) {
+                                messages[0][0].ruleId = "post-processed";
+                                return messages[0];
+                            }
+                        }
+                    }
+                });
+
+                const report = engine.executeOnText("function a() {console.log(\"Test\");}", "tests/fixtures/processors/test/test-processor.txt");
+
+                assert.strictEqual(report.results[0].messages[0].message, "'b' is defined but never used.");
+                assert.strictEqual(report.results[0].messages[0].ruleId, "post-processed");
+            });
+
+            describe("autofixing with processors", () => {
+                const HTML_PROCESSOR = Object.freeze({
+                    preprocess(text) {
+                        return [text.replace(/^<script>/u, "").replace(/<\/script>$/u, "")];
+                    },
+                    postprocess(problemLists) {
+                        return problemLists[0].map(problem => {
+                            if (problem.fix) {
+                                const updatedFix = Object.assign({}, problem.fix, {
+                                    range: problem.fix.range.map(index => index + "<script>".length)
+                                });
+
+                                return Object.assign({}, problem, { fix: updatedFix });
+                            }
+                            return problem;
+                        });
+                    }
+                });
+
+
+                it("should run in autofix mode when using a processor that supports autofixing", () => {
+                    engine = new CLIEngine({
+                        useEslintrc: false,
+                        plugins: ["test-processor"],
+                        rules: {
+                            semi: 2
+                        },
+                        extensions: ["js", "txt"],
+                        ignore: false,
+                        fix: true
+                    });
+
+                    engine.addPlugin("test-processor", {
+                        processors: {
+                            ".html": Object.assign({ supportsAutofix: true }, HTML_PROCESSOR)
+                        }
+                    });
+
+                    const report = engine.executeOnText("<script>foo</script>", "foo.html");
+
+                    assert.strictEqual(report.results[0].messages.length, 0);
+                    assert.strictEqual(report.results[0].output, "<script>foo;</script>");
+                });
+
+                it("should not run in autofix mode when using a processor that does not support autofixing", () => {
+                    engine = new CLIEngine({
+                        useEslintrc: false,
+                        plugins: ["test-processor"],
+                        rules: {
+                            semi: 2
+                        },
+                        extensions: ["js", "txt"],
+                        ignore: false,
+                        fix: true
+                    });
+
+                    engine.addPlugin("test-processor", { processors: { ".html": HTML_PROCESSOR } });
+
+                    const report = engine.executeOnText("<script>foo</script>", "foo.html");
+
+                    assert.strictEqual(report.results[0].messages.length, 1);
+                    assert.isFalse(Object.prototype.hasOwnProperty.call(report.results[0], "output"));
+                });
+
+                it("should not run in autofix mode when `fix: true` is not provided, even if the processor supports autofixing", () => {
+                    engine = new CLIEngine({
+                        useEslintrc: false,
+                        plugins: ["test-processor"],
+                        rules: {
+                            semi: 2
+                        },
+                        extensions: ["js", "txt"],
+                        ignore: false
+                    });
+
+                    engine.addPlugin("test-processor", {
+                        processors: {
+                            ".html": Object.assign({ supportsAutofix: true }, HTML_PROCESSOR)
+                        }
+                    });
+
+                    const report = engine.executeOnText("<script>foo</script>", "foo.html");
+
+                    assert.strictEqual(report.results[0].messages.length, 1);
+                    assert.isFalse(Object.prototype.hasOwnProperty.call(report.results[0], "output"));
+                });
+            });
+        });
+
+        describe("Patterns which match no file should throw errors.", () => {
+            beforeEach(() => {
+                engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine"),
+                    useEslintrc: false
+                });
+            });
+
+            it("one file", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles(["non-exist.js"]);
+                }, "No files matching 'non-exist.js' were found.");
+            });
+
+            it("should throw if the directory exists and is empty", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles(["empty"]);
+                }, "No files matching 'empty' were found.");
+            });
+
+            it("one glob pattern", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles(["non-exist/**/*.js"]);
+                }, "No files matching 'non-exist/**/*.js' were found.");
+            });
+
+            it("two files", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles(["aaa.js", "bbb.js"]);
+                }, "No files matching 'aaa.js' were found.");
+            });
+
+            it("a mix of an existing file and a non-existing file", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles(["console.js", "non-exist.js"]);
+                }, "No files matching 'non-exist.js' were found.");
+            });
+        });
+
+        describe("overrides", () => {
+            beforeEach(() => {
+                engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine/overrides-with-dot"),
+                    ignore: false
+                });
+            });
+
+            it("should recognize dotfiles", () => {
+                const ret = engine.executeOnFiles([".test-target.js"]);
+
+                assert.strictEqual(ret.results.length, 1);
+                assert.strictEqual(ret.results[0].messages.length, 1);
+                assert.strictEqual(ret.results[0].messages[0].ruleId, "no-unused-vars");
+            });
+        });
+
+        describe("a config file setting should have higher priority than a shareable config file's settings always; https://github.com/eslint/eslint/issues/11510", () => {
+            beforeEach(() => {
+                ({ CLIEngine } = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => path.join(os.tmpdir(), "cli-engine/11510"),
+                    files: {
+                        "no-console-error-in-overrides.json": JSON.stringify({
+                            overrides: [{
+                                files: ["*.js"],
+                                rules: { "no-console": "error" }
+                            }]
+                        }),
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "./no-console-error-in-overrides.json",
+                            rules: { "no-console": "off" }
+                        }),
+                        "a.js": "console.log();"
+                    }
+                }));
+                engine = new CLIEngine();
+            });
+
+            it("should not report 'no-console' error.", () => {
+                const { results } = engine.executeOnFiles("a.js");
+
+                assert.strictEqual(results.length, 1);
+                assert.deepStrictEqual(results[0].messages, []);
+            });
+        });
+
+        describe("configs of plugin rules should be validated even if 'plugins' key doesn't exist; https://github.com/eslint/eslint/issues/11559", () => {
+            beforeEach(() => {
+                ({ CLIEngine } = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => path.join(os.tmpdir(), "cli-engine/11559"),
+                    files: {
+                        "node_modules/eslint-plugin-test/index.js": `
+                            exports.configs = {
+                                recommended: { plugins: ["test"] }
+                            };
+                            exports.rules = {
+                                foo: {
+                                    meta: { schema: [{ type: "number" }] },
+                                    create() { return {}; }
+                                }
+                            };
+                        `,
+                        ".eslintrc.json": JSON.stringify({
+
+                            // Import via the recommended config.
+                            extends: "plugin:test/recommended",
+
+                            // Has invalid option.
+                            rules: { "test/foo": ["error", "invalid-option"] }
+                        }),
+                        "a.js": "console.log();"
+                    }
+                }));
+                engine = new CLIEngine();
+            });
+
+            it("should throw fatal error.", () => {
+                assert.throws(() => {
+                    engine.executeOnFiles("a.js");
+                }, /invalid-option/u);
+            });
+        });
+
+        describe("'--fix-type' should not crash even if plugin rules exist; https://github.com/eslint/eslint/issues/11586", () => {
+            beforeEach(() => {
+                ({ CLIEngine } = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => path.join(os.tmpdir(), "cli-engine/11586"),
+                    files: {
+                        "node_modules/eslint-plugin-test/index.js": `
+                            exports.rules = {
+                                "no-example": {
+                                    meta: { type: "problem", fixable: "code" },
+                                    create(context) {
+                                        return {
+                                            Identifier(node) {
+                                                if (node.name === "example") {
+                                                    context.report({
+                                                        node,
+                                                        message: "fix",
+                                                        fix: fixer => fixer.replaceText(node, "fixed")
+                                                    })
+                                                }
+                                            }
+                                        };
+                                    }
+                                }
+                            };
+                        `,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["test"],
+                            rules: { "test/no-example": "error" }
+                        }),
+                        "a.js": "example;"
+                    }
+                }));
+                engine = new CLIEngine({ fix: true, fixTypes: ["problem"] });
+            });
+
+            it("should not crash.", () => {
+                const { results } = engine.executeOnFiles("a.js");
+
+                assert.strictEqual(results.length, 1);
+                assert.deepStrictEqual(results[0].messages, []);
+                assert.deepStrictEqual(results[0].output, "fixed;");
+            });
+        });
+
+        describe("multiple processors", () => {
+            const root = path.join(os.tmpdir(), "eslint/cli-engine/multiple-processors");
+            const commonFiles = {
+                "node_modules/pattern-processor/index.js": fs.readFileSync(
+                    require.resolve("../../fixtures/processors/pattern-processor"),
+                    "utf8"
+                ),
+                "node_modules/eslint-plugin-markdown/index.js": `
+                    const { defineProcessor } = require("pattern-processor");
+                    const processor = defineProcessor(${/```(\w+)\n([\s\S]+?)\n```/gu});
+                    exports.processors = {
+                        ".md": { ...processor, supportsAutofix: true },
+                        "non-fixable": processor
+                    };
+                `,
+                "node_modules/eslint-plugin-html/index.js": `
+                    const { defineProcessor } = require("pattern-processor");
+                    const processor = defineProcessor(${/<script lang="(\w*)">\n([\s\S]+?)\n<\/script>/gu});
+                    const legacyProcessor = defineProcessor(${/<script lang="(\w*)">\n([\s\S]+?)\n<\/script>/gu}, true);
+                    exports.processors = {
+                        ".html": { ...processor, supportsAutofix: true },
+                        "non-fixable": processor,
+                        "legacy": legacyProcessor
+                    };
+                `,
+                "test.md": unIndent`
+                    \`\`\`js
+                    console.log("hello")
+                    \`\`\`
+                    \`\`\`html
+                    <div>Hello</div>
+                    <script lang="js">
+                        console.log("hello")
+                    </script>
+                    <script lang="ts">
+                        console.log("hello")
+                    </script>
+                    \`\`\`
+                `
+            };
+
+            it("should lint only JavaScript blocks if '--ext' was not given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" }
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 1);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi");
+                assert.strictEqual(results[0].messages[0].line, 2);
+            });
+
+            it("should fix only JavaScript blocks if '--ext' was not given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" }
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, fix: true });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 0);
+                assert.strictEqual(results[0].output, unIndent`
+                    \`\`\`js
+                    console.log("hello");${/* ← fixed */""}
+                    \`\`\`
+                    \`\`\`html
+                    <div>Hello</div>
+                    <script lang="js">
+                        console.log("hello")${/* ← ignored */""}
+                    </script>
+                    <script lang="ts">
+                        console.log("hello")${/* ← ignored */""}
+                    </script>
+                    \`\`\`
+                `);
+            });
+
+            it("should lint HTML blocks as well with multiple processors if '--ext' option was given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" }
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, extensions: ["js", "html"] });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 2);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi"); // JS block
+                assert.strictEqual(results[0].messages[0].line, 2);
+                assert.strictEqual(results[0].messages[1].ruleId, "semi"); // JS block in HTML block
+                assert.strictEqual(results[0].messages[1].line, 7);
+            });
+
+            it("should fix HTML blocks as well with multiple processors if '--ext' option was given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" }
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, extensions: ["js", "html"], fix: true });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 0);
+                assert.strictEqual(results[0].output, unIndent`
+                    \`\`\`js
+                    console.log("hello");${/* ← fixed */""}
+                    \`\`\`
+                    \`\`\`html
+                    <div>Hello</div>
+                    <script lang="js">
+                        console.log("hello");${/* ← fixed */""}
+                    </script>
+                    <script lang="ts">
+                        console.log("hello")${/* ← ignored */""}
+                    </script>
+                    \`\`\`
+                `);
+            });
+
+            it("should use overriden processor; should report HTML blocks but not fix HTML blocks if the processor for '*.html' didn't support autofix.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" },
+                            overrides: [
+                                {
+                                    files: "*.html",
+                                    processor: "html/non-fixable" // supportsAutofix: false
+                                }
+                            ]
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, extensions: ["js", "html"], fix: true });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 1);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi"); // JS Block in HTML Block
+                assert.strictEqual(results[0].messages[0].line, 7);
+                assert.strictEqual(results[0].messages[0].fix, void 0);
+                assert.strictEqual(results[0].output, unIndent`
+                    \`\`\`js
+                    console.log("hello");${/* ← fixed */""}
+                    \`\`\`
+                    \`\`\`html
+                    <div>Hello</div>
+                    <script lang="js">
+                        console.log("hello")${/* ← reported but not fixed */""}
+                    </script>
+                    <script lang="ts">
+                        console.log("hello")
+                    </script>
+                    \`\`\`
+                `);
+            });
+
+            it("should use the config '**/*.html/*.js' to lint JavaScript blocks in HTML.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" },
+                            overrides: [
+                                {
+                                    files: "*.html",
+
+                                    // this rules are not used because ESLint re-resolve configs if a code block had a different file extension.
+                                    rules: {
+                                        semi: "error",
+                                        "no-console": "off"
+                                    }
+                                },
+                                {
+                                    files: "**/*.html/*.js",
+                                    rules: {
+                                        semi: "off",
+                                        "no-console": "error"
+                                    }
+                                }
+                            ]
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, extensions: ["js", "html"] });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 2);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi");
+                assert.strictEqual(results[0].messages[0].line, 2);
+                assert.strictEqual(results[0].messages[1].ruleId, "no-console");
+                assert.strictEqual(results[0].messages[1].line, 7);
+            });
+
+            it("should use the same config as one which has 'processor' property in order to lint blocks in HTML if the processor was legacy style.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" },
+                            overrides: [
+                                {
+                                    files: "*.html",
+                                    processor: "html/legacy", // this processor returns strings rather than `{text, filename}`
+                                    rules: {
+                                        semi: "off",
+                                        "no-console": "error"
+                                    }
+                                },
+                                {
+                                    files: "**/*.html/*.js",
+                                    rules: {
+                                        semi: "error",
+                                        "no-console": "off"
+                                    }
+                                }
+                            ]
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root, extensions: ["js", "html"] });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 3);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi");
+                assert.strictEqual(results[0].messages[0].line, 2);
+                assert.strictEqual(results[0].messages[1].ruleId, "no-console");
+                assert.strictEqual(results[0].messages[1].line, 7);
+                assert.strictEqual(results[0].messages[2].ruleId, "no-console");
+                assert.strictEqual(results[0].messages[2].line, 10);
+            });
+
+            it("should throw an error if invalid processor was specified.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            processor: "markdown/unknown"
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root });
+
+                assert.throws(() => {
+                    engine.executeOnFiles(["test.md"]);
+                }, /ESLint configuration of processor in '\.eslintrc\.json' is invalid: 'markdown\/unknown' was not found\./u);
+            });
+
+            it("should lint HTML blocks as well with multiple processors if 'overrides[].files' is present.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ...commonFiles,
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["markdown", "html"],
+                            rules: { semi: "error" },
+                            overrides: [
+                                {
+                                    files: "*.html",
+                                    processor: "html/.html"
+                                },
+                                {
+                                    files: "*.md",
+                                    processor: "markdown/.md"
+                                }
+                            ]
+                        })
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine({ cwd: root });
+
+                const { results } = engine.executeOnFiles(["test.md"]);
+
+                assert.strictEqual(results.length, 1);
+                assert.strictEqual(results[0].messages.length, 2);
+                assert.strictEqual(results[0].messages[0].ruleId, "semi"); // JS block
+                assert.strictEqual(results[0].messages[0].line, 2);
+                assert.strictEqual(results[0].messages[1].ruleId, "semi"); // JS block in HTML block
+                assert.strictEqual(results[0].messages[1].line, 7);
+            });
+        });
+
+        describe("MODULE_NOT_FOUND error handling", () => {
+            const cwd = getFixturePath("module-not-found");
+
+            beforeEach(() => {
+                engine = new CLIEngine({ cwd });
+            });
+
+            it("should throw an error with a message template when 'extends' property has a non-existence JavaScript config.", () => {
+                try {
+                    engine.executeOnText("test", "extends-js/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.messageTemplate, "extend-config-missing");
+                    assert.deepStrictEqual(err.messageData, {
+                        configName: "nonexistent-config",
+                        importerName: getFixturePath("module-not-found", "extends-js", ".eslintrc.yml")
+                    });
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with a message template when 'extends' property has a non-existence plugin config.", () => {
+                try {
+                    engine.executeOnText("test", "extends-plugin/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, "plugin-missing");
+                    assert.deepStrictEqual(err.messageData, {
+                        importerName: `extends-plugin${path.sep}.eslintrc.yml`,
+                        pluginName: "eslint-plugin-nonexistent-plugin",
+                        resolvePluginsRelativeTo: path.join(cwd, "extends-plugin") // the directory of the config file.
+                    });
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with a message template when 'plugins' property has a non-existence plugin.", () => {
+                try {
+                    engine.executeOnText("test", "plugins/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, "plugin-missing");
+                    assert.deepStrictEqual(err.messageData, {
+                        importerName: `plugins${path.sep}.eslintrc.yml`,
+                        pluginName: "eslint-plugin-nonexistent-plugin",
+                        resolvePluginsRelativeTo: path.join(cwd, "plugins") // the directory of the config file.
+                    });
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with no message template when a JavaScript config threw a 'MODULE_NOT_FOUND' error.", () => {
+                try {
+                    engine.executeOnText("test", "throw-in-config-itself/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, void 0);
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with no message template when 'extends' property has a JavaScript config that throws a 'MODULE_NOT_FOUND' error.", () => {
+                try {
+                    engine.executeOnText("test", "throw-in-extends-js/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, void 0);
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with no message template when 'extends' property has a plugin config that throws a 'MODULE_NOT_FOUND' error.", () => {
+                try {
+                    engine.executeOnText("test", "throw-in-extends-plugin/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, void 0);
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+
+            it("should throw an error with no message template when 'plugins' property has a plugin config that throws a 'MODULE_NOT_FOUND' error.", () => {
+                try {
+                    engine.executeOnText("test", "throw-in-plugins/test.js");
+                } catch (err) {
+                    assert.strictEqual(err.code, "MODULE_NOT_FOUND");
+                    assert.strictEqual(err.messageTemplate, void 0);
+                    return;
+                }
+                assert.fail("Expected to throw an error");
+            });
+        });
+
+        describe("with '--rulesdir' option", () => {
+            it("should use the configured rules which are defined by '--rulesdir' option.", () => {
+                const rootPath = getFixturePath("cli-engine/with-rulesdir");
+                const StubbedCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => rootPath,
+                    files: {
+                        "internal-rules/test.js": `
+                            module.exports = context => ({
+                                ExpressionStatement(node) {
+                                    context.report({ node, message: "ok" })
+                                }
+                            })
+                        `,
+                        ".eslintrc.json": JSON.stringify({
+                            root: true,
+                            rules: { test: "error" }
+                        }),
+                        "test.js": "console.log('hello')"
+                    }
+                }).CLIEngine;
+
+                engine = new StubbedCLIEngine({
+                    rulePaths: ["internal-rules"]
+                });
+                const report = engine.executeOnFiles(["test.js"]);
+
+                assert.strictEqual(report.results.length, 1);
+                assert.strictEqual(report.results[0].messages.length, 1);
+                assert.strictEqual(report.results[0].messages[0].message, "ok");
+            });
+        });
+
+        describe("glob pattern '[ab].js'", () => {
+            const root = getFixturePath("cli-engine/unmatched-glob");
+
+            it("should match '[ab].js' if existed.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "a.js": "",
+                        "b.js": "",
+                        "ab.js": "",
+                        "[ab].js": "",
+                        ".eslintrc.yml": "root: true"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["[ab].js"]);
+                const filenames = results.map(r => path.basename(r.filePath));
+
+                assert.deepStrictEqual(filenames, ["[ab].js"]);
+            });
+
+            it("should match 'a.js' and 'b.js' if '[ab].js' didn't existed.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "a.js": "",
+                        "b.js": "",
+                        "ab.js": "",
+                        ".eslintrc.yml": "root: true"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["[ab].js"]);
+                const filenames = results.map(r => path.basename(r.filePath));
+
+                assert.deepStrictEqual(filenames, ["a.js", "b.js"]);
+            });
+        });
+
+        describe("with 'noInlineConfig' setting", () => {
+            const root = getFixturePath("cli-engine/noInlineConfig");
+
+            it("should warn directive comments if 'noInlineConfig' was given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "test.js": "/* globals foo */",
+                        ".eslintrc.yml": "noInlineConfig: true"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["test.js"]);
+                const messages = results[0].messages;
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].message, "'/*globals*/' has no effect because you have 'noInlineConfig' setting in your config (.eslintrc.yml).");
+            });
+
+            it("should show the config file what the 'noInlineConfig' came from.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-foo/index.js": "module.exports = {noInlineConfig: true}",
+                        "test.js": "/* globals foo */",
+                        ".eslintrc.yml": "extends: foo"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["test.js"]);
+                const messages = results[0].messages;
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].message, "'/*globals*/' has no effect because you have 'noInlineConfig' setting in your config (.eslintrc.yml » eslint-config-foo).");
+            });
+        });
+
+        describe("with 'reportUnusedDisableDirectives' setting", () => {
+            const root = getFixturePath("cli-engine/reportUnusedDisableDirectives");
+
+            it("should warn unused 'eslint-disable' comments if 'reportUnusedDisableDirectives' was given.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "test.js": "/* eslint-disable eqeqeq */",
+                        ".eslintrc.yml": "reportUnusedDisableDirectives: true"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["test.js"]);
+                const messages = results[0].messages;
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].severity, 1);
+                assert.strictEqual(messages[0].message, "Unused eslint-disable directive (no problems were reported from 'eqeqeq').");
+            });
+
+            describe("the runtime option overrides config files.", () => {
+                it("should not warn unused 'eslint-disable' comments if 'reportUnusedDisableDirectives=off' was given in runtime.", () => {
+                    CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                        cwd: () => root,
+                        files: {
+                            "test.js": "/* eslint-disable eqeqeq */",
+                            ".eslintrc.yml": "reportUnusedDisableDirectives: true"
+                        }
+                    }).CLIEngine;
+                    engine = new CLIEngine({ reportUnusedDisableDirectives: "off" });
+
+                    const { results } = engine.executeOnFiles(["test.js"]);
+                    const messages = results[0].messages;
+
+                    assert.strictEqual(messages.length, 0);
+                });
+
+                it("should warn unused 'eslint-disable' comments as error if 'reportUnusedDisableDirectives=error' was given in runtime.", () => {
+                    CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                        cwd: () => root,
+                        files: {
+                            "test.js": "/* eslint-disable eqeqeq */",
+                            ".eslintrc.yml": "reportUnusedDisableDirectives: true"
+                        }
+                    }).CLIEngine;
+                    engine = new CLIEngine({ reportUnusedDisableDirectives: "error" });
+
+                    const { results } = engine.executeOnFiles(["test.js"]);
+                    const messages = results[0].messages;
+
+                    assert.strictEqual(messages.length, 1);
+                    assert.strictEqual(messages[0].severity, 2);
+                    assert.strictEqual(messages[0].message, "Unused eslint-disable directive (no problems were reported from 'eqeqeq').");
+                });
+            });
+        });
+
+        describe("with 'overrides[*].extends' setting on deep locations", () => {
+            const root = getFixturePath("cli-engine/deeply-overrides-i-extends");
+
+            it("should not throw.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            overrides: [{ files: ["*test*"], extends: "two" }]
+                        })}`,
+                        "node_modules/eslint-config-two/index.js": `module.exports = ${JSON.stringify({
+                            overrides: [{ files: ["*.js"], extends: "three" }]
+                        })}`,
+                        "node_modules/eslint-config-three/index.js": `module.exports = ${JSON.stringify({
+                            rules: { "no-console": "error" }
+                        })}`,
+                        "test.js": "console.log('hello')",
+                        ".eslintrc.yml": "extends: one"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                const { results } = engine.executeOnFiles(["test.js"]);
+                const messages = results[0].messages;
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+        });
+
+        describe("don't ignore the entry directory.", () => {
+            const root = getFixturePath("cli-engine/dont-ignore-entry-dir");
+
+            it("'executeOnFiles(\".\")' should not load config files from outside of \".\".", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "../.eslintrc.json": "BROKEN FILE",
+                        ".eslintrc.json": JSON.stringify({ root: true }),
+                        "index.js": "console.log(\"hello\")"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                // Don't throw "failed to load config file" error.
+                engine.executeOnFiles(".");
+            });
+
+            it("'executeOnFiles(\".\")' should not ignore '.' even if 'ignorePatterns' contains it.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "../.eslintrc.json": JSON.stringify({ ignorePatterns: ["/dont-ignore-entry-dir"] }),
+                        ".eslintrc.json": JSON.stringify({ root: true }),
+                        "index.js": "console.log(\"hello\")"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                // Don't throw "file not found" error.
+                engine.executeOnFiles(".");
+            });
+
+            it("'executeOnFiles(\"subdir\")' should not ignore './subdir' even if 'ignorePatterns' contains it.", () => {
+                CLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({ ignorePatterns: ["/subdir"] }),
+                        "subdir/.eslintrc.json": JSON.stringify({ root: true }),
+                        "subdir/index.js": "console.log(\"hello\")"
+                    }
+                }).CLIEngine;
+                engine = new CLIEngine();
+
+                // Don't throw "file not found" error.
+                engine.executeOnFiles("subdir");
+            });
+        });
+    });
+
+    describe("getConfigForFile", () => {
+
+        it("should return the info from Config#getConfig when called", () => {
+            const options = {
+                configFile: getFixturePath("configurations", "quotes-error.json")
+            };
+            const engine = new CLIEngine(options);
+            const filePath = getFixturePath("single-quoted.js");
+
+            const actualConfig = engine.getConfigForFile(filePath);
+            const expectedConfig = new CascadingConfigArrayFactory({ specificConfigPath: options.configFile })
+                .getConfigArrayForFile(filePath)
+                .extractConfig(filePath)
+                .toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(actualConfig, expectedConfig);
+        });
+
+
+        it("should return the config when run from within a subdir", () => {
+            const options = {
+                cwd: getFixturePath("config-hierarchy", "root-true", "parent", "root", "subdir")
+            };
+            const engine = new CLIEngine(options);
+            const filePath = getFixturePath("config-hierarchy", "root-true", "parent", "root", ".eslintrc");
+
+            const actualConfig = engine.getConfigForFile("./.eslintrc");
+            const expectedConfig = new CascadingConfigArrayFactory(options)
+                .getConfigArrayForFile(filePath)
+                .extractConfig(filePath)
+                .toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(actualConfig, expectedConfig);
+        });
+
+        it("should throw an error if a directory path was given.", () => {
+            const engine = new CLIEngine();
+
+            try {
+                engine.getConfigForFile(".");
+            } catch (error) {
+                assert.strictEqual(error.messageTemplate, "print-config-with-directory-path");
+                return;
+            }
+            assert.fail("should throw an error");
+        });
+    });
+
+    describe("isPathIgnored", () => {
+        it("should check if the given path is ignored", () => {
+            const engine = new CLIEngine({
+                ignorePath: getFixturePath(".eslintignore2"),
+                cwd: getFixturePath()
+            });
+
+            assert.isTrue(engine.isPathIgnored("undef.js"));
+            assert.isFalse(engine.isPathIgnored("passing.js"));
+        });
+
+        it("should return false if ignoring is disabled", () => {
+            const engine = new CLIEngine({
+                ignore: false,
+                ignorePath: getFixturePath(".eslintignore2"),
+                cwd: getFixturePath()
+            });
+
+            assert.isFalse(engine.isPathIgnored("undef.js"));
+        });
+
+        // https://github.com/eslint/eslint/issues/5547
+        it("should return true for default ignores even if ignoring is disabled", () => {
+            const engine = new CLIEngine({
+                ignore: false,
+                cwd: getFixturePath("cli-engine")
+            });
+
+            assert.isTrue(engine.isPathIgnored("node_modules/foo.js"));
+        });
+
+        describe("about the default ignore patterns", () => {
+            it("should always apply defaultPatterns if ignore option is true", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules/package/file.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "subdir/node_modules/package/file.js")));
+            });
+
+            it("should still apply defaultPatterns if ignore option is is false", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignore: false, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules/package/file.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "subdir/node_modules/package/file.js")));
+            });
+
+            it("should allow subfolders of defaultPatterns to be unignored by ignorePattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd, ignorePattern: "!/node_modules/package" });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules", "package", "file.js")));
+            });
+
+            it("should allow subfolders of defaultPatterns to be unignored by ignorePath", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd, ignorePath: getFixturePath("ignored-paths", ".eslintignoreWithUnignoredDefaults") });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules", "package", "file.js")));
+            });
+
+            it("should ignore dotfiles", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", ".foo")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/.bar")));
+            });
+
+            it("should ignore directories beginning with a dot", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", ".foo/bar")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/.bar/baz")));
+            });
+
+            it("should still ignore dotfiles when ignore option disabled", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignore: false, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", ".foo")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/.bar")));
+            });
+
+            it("should still ignore directories beginning with a dot when ignore option disabled", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignore: false, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", ".foo/bar")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/.bar/baz")));
+            });
+
+            it("should not ignore absolute paths containing '..'", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                assert(!engine.isPathIgnored(`${getFixturePath("ignored-paths", "foo")}/../unignored.js`));
+            });
+
+            it("should ignore /node_modules/ relative to .eslintignore when loaded", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePath: getFixturePath("ignored-paths", ".eslintignore"), cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules", "existing.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo", "node_modules", "existing.js")));
+            });
+
+            it("should ignore /node_modules/ relative to cwd without an .eslintignore", () => {
+                const cwd = getFixturePath("ignored-paths", "no-ignore-file");
+                const engine = new CLIEngine({ cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "no-ignore-file", "node_modules", "existing.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "no-ignore-file", "foo", "node_modules", "existing.js")));
+            });
+        });
+
+        describe("with no .eslintignore file", () => {
+            it("should not travel to parent directories to find .eslintignore when it's missing and cwd is provided", () => {
+                const cwd = getFixturePath("ignored-paths", "configurations");
+                const engine = new CLIEngine({ cwd });
+
+                // a .eslintignore in parent directories includes `*.js`, but don't load it.
+                assert(!engine.isPathIgnored("foo.js"));
+                assert(engine.isPathIgnored("node_modules/foo.js"));
+            });
+
+            it("should return false for files outside of the cwd (with no ignore file provided)", () => {
+
+                // Default ignore patterns should not inadvertently ignore files in parent directories
+                const engine = new CLIEngine({ cwd: getFixturePath("ignored-paths", "no-ignore-file") });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+            });
+        });
+
+        describe("with .eslintignore file or package.json file", () => {
+            it("should load .eslintignore from cwd when explicitly passed", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                // `${cwd}/.eslintignore` includes `sampleignorepattern`.
+                assert(engine.isPathIgnored("sampleignorepattern"));
+            });
+
+            it("should use package.json's eslintIgnore files if no specified .eslintignore file", () => {
+                const cwd = getFixturePath("ignored-paths", "package-json-ignore");
+                const engine = new CLIEngine({ cwd });
+
+                assert(engine.isPathIgnored("hello.js"));
+                assert(engine.isPathIgnored("world.js"));
+            });
+
+            it("should use correct message template if failed to parse package.json", () => {
+                const cwd = getFixturePath("ignored-paths", "broken-package-json");
+
+                assert.throw(() => {
+                    try {
+                        // eslint-disable-next-line no-new
+                        new CLIEngine({ cwd });
+                    } catch (error) {
+                        assert.strictEqual(error.messageTemplate, "failed-to-read-json");
+                        throw error;
+                    }
+                });
+            });
+
+            it("should not use package.json's eslintIgnore files if specified .eslintignore file", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ cwd });
+
+                /*
+                 * package.json includes `hello.js` and `world.js`.
+                 * .eslintignore includes `sampleignorepattern`.
+                 */
+                assert(!engine.isPathIgnored("hello.js"));
+                assert(!engine.isPathIgnored("world.js"));
+                assert(engine.isPathIgnored("sampleignorepattern"));
+            });
+
+            it("should error if package.json's eslintIgnore is not an array of file paths", () => {
+                const cwd = getFixturePath("ignored-paths", "bad-package-json-ignore");
+
+                assert.throws(() => {
+                    // eslint-disable-next-line no-new
+                    new CLIEngine({ cwd });
+                }, "Package.json eslintIgnore property requires an array of paths");
+            });
+        });
+
+        describe("with --ignore-pattern option", () => {
+            it("should accept a string for options.ignorePattern", () => {
+                const cwd = getFixturePath("ignored-paths", "ignore-pattern");
+                const engine = new CLIEngine({
+                    ignorePattern: "ignore-me.txt",
+                    cwd
+                });
+
+                assert(engine.isPathIgnored("ignore-me.txt"));
+            });
+
+            it("should accept an array for options.ignorePattern", () => {
+                const engine = new CLIEngine({
+                    ignorePattern: ["a", "b"],
+                    useEslintrc: false
+                });
+
+                assert(engine.isPathIgnored("a"));
+                assert(engine.isPathIgnored("b"));
+                assert(!engine.isPathIgnored("c"));
+            });
+
+            it("should return true for files which match an ignorePattern even if they do not exist on the filesystem", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({
+                    ignorePattern: "not-a-file",
+                    cwd
+                });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "not-a-file")));
+            });
+
+            it("should return true for file matching an ignore pattern exactly", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "undef.js", cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+            });
+
+            it("should return false for file matching an invalid ignore pattern with leading './'", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "./undef.js", cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+            });
+
+            it("should return false for file in subfolder of cwd matching an ignore pattern with leading '/'", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "/undef.js", cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "subdir", "undef.js")));
+            });
+
+            it("should return true for file matching a child of an ignore pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "ignore-pattern", cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "ignore-pattern", "ignore-me.txt")));
+            });
+
+            it("should return true for file matching a grandchild of an ignore pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "ignore-pattern", cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "ignore-pattern", "subdir", "ignore-me.txt")));
+            });
+
+            it("should return false for file not matching any ignore pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "failing.js", cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "unignored.js")));
+            });
+
+            it("two globstar '**' ignore pattern should ignore files in nested directories", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({ ignorePattern: "**/*.js", cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/bar.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo/bar/baz.js")));
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "foo.j2")));
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "foo/bar.j2")));
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "foo/bar/baz.j2")));
+            });
+        });
+
+        describe("with --ignore-path option", () => {
+            it("should load empty array with ignorePath set to false", () => {
+                const cwd = getFixturePath("ignored-paths", "no-ignore-file");
+                const engine = new CLIEngine({ ignorePath: false, cwd });
+
+                // a .eslintignore in parent directories includes `*.js`, but don't load it.
+                assert(!engine.isPathIgnored("foo.js"));
+                assert(engine.isPathIgnored("node_modules/foo.js"));
+            });
+
+            it("initialization with ignorePath should work when cwd is a parent directory", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "custom-name", "ignore-file");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("custom-name/foo.js"));
+            });
+
+            it("initialization with ignorePath should work when the file is in the cwd", () => {
+                const cwd = getFixturePath("ignored-paths", "custom-name");
+                const ignorePath = getFixturePath("ignored-paths", "custom-name", "ignore-file");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("foo.js"));
+            });
+
+            it("initialization with ignorePath should work when cwd is a subdirectory", () => {
+                const cwd = getFixturePath("ignored-paths", "custom-name", "subdirectory");
+                const ignorePath = getFixturePath("ignored-paths", "custom-name", "ignore-file");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("../custom-name/foo.js"));
+            });
+
+            it("initialization with invalid file should throw error", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "not-a-directory", ".foobaz");
+
+                assert.throws(() => {
+                    // eslint-disable-next-line no-new
+                    new CLIEngine({ ignorePath, cwd });
+                }, "Cannot read .eslintignore file");
+            });
+
+            it("should return false for files outside of ignorePath's directory", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "custom-name", "ignore-file");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+            });
+
+            it("should resolve relative paths from CWD", () => {
+                const cwd = getFixturePath("ignored-paths", "subdir");
+                const ignorePath = getFixturePath("ignored-paths", ".eslintignoreForDifferentCwd");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "subdir/undef.js")));
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+            });
+
+            it("should resolve relative paths from CWD when it's in a child directory", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "subdir/.eslintignoreInChildDir");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "subdir/undef.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "undef.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "foo.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "subdir/foo.js")));
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "node_modules/bar.js")));
+            });
+
+            it("should resolve relative paths from CWD when it contains negated globs", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "subdir/.eslintignoreInChildDir");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("subdir/blah.txt"));
+                assert(engine.isPathIgnored("blah.txt"));
+                assert(engine.isPathIgnored("subdir/bar.txt"));
+                assert(!engine.isPathIgnored("bar.txt"));
+                assert(!engine.isPathIgnored("subdir/baz.txt"));
+                assert(!engine.isPathIgnored("baz.txt"));
+            });
+
+            it("should resolve default ignore patterns from the CWD even when the ignorePath is in a subdirectory", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "subdir/.eslintignoreInChildDir");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("node_modules/blah.js"));
+            });
+
+            it("should resolve default ignore patterns from the CWD even when the ignorePath is in a parent directory", () => {
+                const cwd = getFixturePath("ignored-paths", "subdir");
+                const ignorePath = getFixturePath("ignored-paths", ".eslintignoreForDifferentCwd");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored("node_modules/blah.js"));
+            });
+
+            it("should handle .eslintignore which contains CRLF correctly.", () => {
+                const ignoreFileContent = fs.readFileSync(getFixturePath("ignored-paths", "crlf/.eslintignore"), "utf8");
+
+                assert(ignoreFileContent.includes("\r"), "crlf/.eslintignore should contains CR.");
+
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", "crlf/.eslintignore");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "crlf/hide1/a.js")));
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "crlf/hide2/a.js")));
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "crlf/hide3/a.js")));
+            });
+
+            it("should not include comments in ignore rules", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", ".eslintignoreWithComments");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(!engine.isPathIgnored("# should be ignored"));
+                assert(engine.isPathIgnored("this_one_not"));
+            });
+
+            it("should ignore a non-negated pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", ".eslintignoreWithNegation");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(engine.isPathIgnored(getFixturePath("ignored-paths", "negation", "ignore.js")));
+            });
+
+            it("should not ignore a negated pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const ignorePath = getFixturePath("ignored-paths", ".eslintignoreWithNegation");
+                const engine = new CLIEngine({ ignorePath, cwd });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "negation", "unignore.js")));
+            });
+        });
+
+        describe("with --ignore-path option and --ignore-pattern option", () => {
+            it("should return false for ignored file when unignored with ignore pattern", () => {
+                const cwd = getFixturePath("ignored-paths");
+                const engine = new CLIEngine({
+                    ignorePath: getFixturePath("ignored-paths", ".eslintignore"),
+                    ignorePattern: "!sampleignorepattern",
+                    cwd
+                });
+
+                assert(!engine.isPathIgnored(getFixturePath("ignored-paths", "sampleignorepattern")));
+            });
+        });
+    });
+
+    describe("getFormatter()", () => {
+
+        it("should return a function when a bundled formatter is requested", () => {
+            const engine = new CLIEngine(),
+                formatter = engine.getFormatter("compact");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when no argument is passed", () => {
+            const engine = new CLIEngine(),
+                formatter = engine.getFormatter();
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a custom formatter is requested", () => {
+            const engine = new CLIEngine(),
+                formatter = engine.getFormatter(getFixturePath("formatters", "simple.js"));
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a custom formatter is requested, also if the path has backslashes", () => {
+            const engine = new CLIEngine({
+                    cwd: path.join(fixtureDir, "..")
+                }),
+                formatter = engine.getFormatter(".\\fixtures\\formatters\\simple.js");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a formatter prefixed with eslint-formatter is requested", () => {
+            const engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine")
+                }),
+                formatter = engine.getFormatter("bar");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a formatter is requested, also when the eslint-formatter prefix is included in the format argument", () => {
+            const engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine")
+                }),
+                formatter = engine.getFormatter("eslint-formatter-bar");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a formatter is requested within a scoped npm package", () => {
+            const engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine")
+                }),
+                formatter = engine.getFormatter("@somenamespace/foo");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when a formatter is requested within a scoped npm package, also when the eslint-formatter prefix is included in the format argument", () => {
+            const engine = new CLIEngine({
+                    cwd: getFixturePath("cli-engine")
+                }),
+                formatter = engine.getFormatter("@somenamespace/eslint-formatter-foo");
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return null when a customer formatter doesn't exist", () => {
+            const engine = new CLIEngine(),
+                formatterPath = getFixturePath("formatters", "doesntexist.js"),
+                fullFormatterPath = path.resolve(formatterPath);
+
+            assert.throws(() => {
+                engine.getFormatter(formatterPath);
+            }, `There was a problem loading formatter: ${fullFormatterPath}\nError: Cannot find module '${fullFormatterPath}'`);
+        });
+
+        it("should return null when a built-in formatter doesn't exist", () => {
+            const engine = new CLIEngine();
+            const fullFormatterPath = path.resolve(__dirname, "../../../lib/cli-engine/formatters/special");
+
+            assert.throws(() => {
+                engine.getFormatter("special");
+            }, `There was a problem loading formatter: ${fullFormatterPath}\nError: Cannot find module '${fullFormatterPath}'`);
+        });
+
+        it("should throw if the required formatter exists but has an error", () => {
+            const engine = new CLIEngine(),
+                formatterPath = getFixturePath("formatters", "broken.js");
+
+            assert.throws(() => {
+                engine.getFormatter(formatterPath);
+            }, `There was a problem loading formatter: ${formatterPath}\nError: Cannot find module 'this-module-does-not-exist'`);
+        });
+
+        it("should return null when a non-string formatter name is passed", () => {
+            const engine = new CLIEngine(),
+                formatter = engine.getFormatter(5);
+
+            assert.isNull(formatter);
+        });
+
+        it("should return a function when called as a static function on CLIEngine", () => {
+            const formatter = CLIEngine.getFormatter();
+
+            assert.isFunction(formatter);
+        });
+
+        it("should return a function when called as a static function on CLIEngine and a custom formatter is requested", () => {
+            const formatter = CLIEngine.getFormatter(getFixturePath("formatters", "simple.js"));
+
+            assert.isFunction(formatter);
+        });
+
+    });
+
+    describe("getErrorResults()", () => {
+        it("should report 5 error messages when looking for errors only", () => {
+
+            process.chdir(originalDir);
+            const engine = new CLIEngine();
+
+            const report = engine.executeOnText("var foo = 'bar';");
+            const errorResults = CLIEngine.getErrorResults(report.results);
+
+            assert.lengthOf(errorResults[0].messages, 5);
+            assert.strictEqual(errorResults[0].errorCount, 5);
+            assert.strictEqual(errorResults[0].fixableErrorCount, 3);
+            assert.strictEqual(errorResults[0].fixableWarningCount, 0);
+            assert.strictEqual(errorResults[0].messages[0].ruleId, "strict");
+            assert.strictEqual(errorResults[0].messages[0].severity, 2);
+            assert.strictEqual(errorResults[0].messages[1].ruleId, "no-var");
+            assert.strictEqual(errorResults[0].messages[1].severity, 2);
+            assert.strictEqual(errorResults[0].messages[2].ruleId, "no-unused-vars");
+            assert.strictEqual(errorResults[0].messages[2].severity, 2);
+            assert.strictEqual(errorResults[0].messages[3].ruleId, "quotes");
+            assert.strictEqual(errorResults[0].messages[3].severity, 2);
+            assert.strictEqual(errorResults[0].messages[4].ruleId, "eol-last");
+            assert.strictEqual(errorResults[0].messages[4].severity, 2);
+        });
+
+        it("should not mutate passed report.results parameter", () => {
+            process.chdir(originalDir);
+            const engine = new CLIEngine({
+                rules: { quotes: [1, "double"] }
+            });
+
+            const report = engine.executeOnText("var foo = 'bar';");
+            const reportResultsLength = report.results[0].messages.length;
+
+            CLIEngine.getErrorResults(report.results);
+
+            assert.lengthOf(report.results[0].messages, reportResultsLength);
+        });
+
+        it("should report a warningCount of 0 when looking for errors only", () => {
+
+            process.chdir(originalDir);
+            const engine = new CLIEngine();
+
+            const report = engine.executeOnText("var foo = 'bar';");
+            const errorResults = CLIEngine.getErrorResults(report.results);
+
+            assert.strictEqual(errorResults[0].warningCount, 0);
+            assert.strictEqual(errorResults[0].fixableWarningCount, 0);
+        });
+
+        it("should return 0 error or warning messages even when the file has warnings", () => {
+            const engine = new CLIEngine({
+                ignorePath: path.join(fixtureDir, ".eslintignore"),
+                cwd: path.join(fixtureDir, "..")
+            });
+
+            const report = engine.executeOnText("var bar = foo;", "fixtures/passing.js", true);
+            const errorReport = CLIEngine.getErrorResults(report.results);
+
+            assert.lengthOf(errorReport, 0);
+            assert.lengthOf(report.results, 1);
+            assert.strictEqual(report.errorCount, 0);
+            assert.strictEqual(report.warningCount, 1);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 0);
+            assert.strictEqual(report.results[0].errorCount, 0);
+            assert.strictEqual(report.results[0].warningCount, 1);
+            assert.strictEqual(report.fixableErrorCount, 0);
+            assert.strictEqual(report.fixableWarningCount, 0);
+        });
+
+        it("should return source code of file in the `source` property", () => {
+            process.chdir(originalDir);
+            const engine = new CLIEngine({
+                useEslintrc: false,
+                rules: { quotes: [2, "double"] }
+            });
+
+
+            const report = engine.executeOnText("var foo = 'bar';");
+            const errorResults = CLIEngine.getErrorResults(report.results);
+
+            assert.lengthOf(errorResults[0].messages, 1);
+            assert.strictEqual(errorResults[0].source, "var foo = 'bar';");
+        });
+
+        it("should contain `output` property after fixes", () => {
+            process.chdir(originalDir);
+            const engine = new CLIEngine({
+                useEslintrc: false,
+                fix: true,
+                rules: {
+                    semi: 2,
+                    "no-console": 2
+                }
+            });
+
+            const report = engine.executeOnText("console.log('foo')");
+            const errorResults = CLIEngine.getErrorResults(report.results);
+
+            assert.lengthOf(errorResults[0].messages, 1);
+            assert.strictEqual(errorResults[0].output, "console.log('foo');");
+        });
+    });
+
+    describe("outputFixes()", () => {
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        it("should call fs.writeFileSync() for each result with output", () => {
+            const fakeFS = leche.fake(fs),
+                localCLIEngine = proxyquire("../../../lib/cli-engine/cli-engine", {
+                    fs: fakeFS
+                }).CLIEngine,
+                report = {
+                    results: [
+                        {
+                            filePath: "foo.js",
+                            output: "bar"
+                        },
+                        {
+                            filePath: "bar.js",
+                            output: "baz"
+                        }
+                    ]
+                };
+
+            fakeFS.writeFileSync = function() {};
+            const spy = sinon.spy(fakeFS, "writeFileSync");
+
+            localCLIEngine.outputFixes(report);
+
+            assert.strictEqual(spy.callCount, 2);
+            assert.isTrue(spy.firstCall.calledWithExactly("foo.js", "bar"), "First call was incorrect.");
+            assert.isTrue(spy.secondCall.calledWithExactly("bar.js", "baz"), "Second call was incorrect.");
+
+        });
+
+        it("should call fs.writeFileSync() for each result with output and not at all for a result without output", () => {
+            const fakeFS = leche.fake(fs),
+                localCLIEngine = proxyquire("../../../lib/cli-engine/cli-engine", {
+                    fs: fakeFS
+                }).CLIEngine,
+                report = {
+                    results: [
+                        {
+                            filePath: "foo.js",
+                            output: "bar"
+                        },
+                        {
+                            filePath: "abc.js"
+                        },
+                        {
+                            filePath: "bar.js",
+                            output: "baz"
+                        }
+                    ]
+                };
+
+            fakeFS.writeFileSync = function() {};
+            const spy = sinon.spy(fakeFS, "writeFileSync");
+
+            localCLIEngine.outputFixes(report);
+
+            assert.strictEqual(spy.callCount, 2);
+            assert.isTrue(spy.firstCall.calledWithExactly("foo.js", "bar"), "First call was incorrect.");
+            assert.isTrue(spy.secondCall.calledWithExactly("bar.js", "baz"), "Second call was incorrect.");
+
+        });
+
+    });
+
+    describe("getRules()", () => {
+        it("should expose the list of rules", () => {
+            const engine = new CLIEngine();
+
+            assert(engine.getRules().has("no-eval"), "no-eval is present");
+        });
+
+        it("should expose the list of plugin rules", () => {
+            const engine = new CLIEngine({ plugins: ["node"] });
+
+            assert(engine.getRules().has("node/no-deprecated-api"), "node/no-deprecated-api is present");
+        });
+
+        it("should expose the rules of the plugin that is added by 'addPlugin'.", () => {
+            const engine = new CLIEngine({ plugins: ["foo"] });
+
+            engine.addPlugin("foo", require("eslint-plugin-node"));
+
+            assert(engine.getRules().has("foo/no-deprecated-api"), "foo/no-deprecated-api is present");
+        });
+    });
+
+    describe("resolveFileGlobPatterns", () => {
+
+        leche.withData([
+            [".", ["**/*.{js}"]],
+            ["./", ["**/*.{js}"]],
+            ["../", ["../**/*.{js}"]],
+            ["", []]
+        ], (input, expected) => {
+
+            it(`should correctly resolve ${input} to ${expected}`, () => {
+                const engine = new CLIEngine();
+
+                const result = engine.resolveFileGlobPatterns([input]);
+
+                assert.deepStrictEqual(result, expected);
+
+            });
+        });
+
+        it("should convert a directory name with no provided extensions into a glob pattern", () => {
+            const patterns = ["one-js-file"];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{js}"]);
+        });
+
+        it("should not convert path with globInputPaths option false", () => {
+            const patterns = ["one-js-file"];
+            const opts = {
+                cwd: getFixturePath("glob-util"),
+                globInputPaths: false
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file"]);
+        });
+
+        it("should convert an absolute directory name with no provided extensions into a posix glob pattern", () => {
+            const patterns = [getFixturePath("glob-util", "one-js-file")];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+            const expected = [`${getFixturePath("glob-util", "one-js-file").replace(/\\/gu, "/")}/**/*.{js}`];
+
+            assert.deepStrictEqual(result, expected);
+        });
+
+        it("should convert a directory name with a single provided extension into a glob pattern", () => {
+            const patterns = ["one-js-file"];
+            const opts = {
+                cwd: getFixturePath("glob-util"),
+                extensions: [".jsx"]
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{jsx}"]);
+        });
+
+        it("should convert a directory name with multiple provided extensions into a glob pattern", () => {
+            const patterns = ["one-js-file"];
+            const opts = {
+                cwd: getFixturePath("glob-util"),
+                extensions: [".jsx", ".js"]
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{jsx,js}"]);
+        });
+
+        it("should convert multiple directory names into glob patterns", () => {
+            const patterns = ["one-js-file", "two-js-files"];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{js}", "two-js-files/**/*.{js}"]);
+        });
+
+        it("should remove leading './' from glob patterns", () => {
+            const patterns = ["./one-js-file"];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{js}"]);
+        });
+
+        it("should convert a directory name with a trailing '/' into a glob pattern", () => {
+            const patterns = ["one-js-file/"];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/**/*.{js}"]);
+        });
+
+        it("should return filenames as they are", () => {
+            const patterns = ["some-file.js"];
+            const opts = {
+                cwd: getFixturePath("glob-util")
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["some-file.js"]);
+        });
+
+        it("should convert backslashes into forward slashes", () => {
+            const patterns = ["one-js-file\\example.js"];
+            const opts = {
+                cwd: getFixturePath()
+            };
+            const result = new CLIEngine(opts).resolveFileGlobPatterns(patterns);
+
+            assert.deepStrictEqual(result, ["one-js-file/example.js"]);
+        });
+    });
+
+    describe("when evaluating code with comments to change config when allowInlineConfig is disabled", () => {
+
+        it("should report a violation for disabling rules", () => {
+            const code = [
+                "alert('test'); // eslint-disable-line no-alert"
+            ].join("\n");
+            const config = {
+                envs: ["browser"],
+                ignore: true,
+                allowInlineConfig: false,
+                rules: {
+                    "eol-last": 0,
+                    "no-alert": 1,
+                    "no-trailing-spaces": 0,
+                    strict: 0,
+                    quotes: 0
+                }
+            };
+
+            const eslintCLI = new CLIEngine(config);
+
+            const report = eslintCLI.executeOnText(code);
+            const messages = report.results[0].messages;
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+        });
+
+        it("should not report a violation by default", () => {
+            const code = [
+                "alert('test'); // eslint-disable-line no-alert"
+            ].join("\n");
+            const config = {
+                envs: ["browser"],
+                ignore: true,
+
+                // allowInlineConfig: true is the default
+                rules: {
+                    "eol-last": 0,
+                    "no-alert": 1,
+                    "no-trailing-spaces": 0,
+                    strict: 0,
+                    quotes: 0
+                }
+            };
+
+            const eslintCLI = new CLIEngine(config);
+
+            const report = eslintCLI.executeOnText(code);
+            const messages = report.results[0].messages;
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+    });
+
+    describe("when evaluating code when reportUnusedDisableDirectives is enabled", () => {
+        it("should report problems for unused eslint-disable directives", () => {
+            const cliEngine = new CLIEngine({ useEslintrc: false, reportUnusedDisableDirectives: true });
+
+            assert.deepStrictEqual(
+                cliEngine.executeOnText("/* eslint-disable */"),
+                {
+                    results: [
+                        {
+                            filePath: "<text>",
+                            messages: [
+                                {
+                                    ruleId: null,
+                                    message: "Unused eslint-disable directive (no problems were reported).",
+                                    line: 1,
+                                    column: 1,
+                                    severity: 2,
+                                    nodeType: null
+                                }
+                            ],
+                            errorCount: 1,
+                            warningCount: 0,
+                            fixableErrorCount: 0,
+                            fixableWarningCount: 0,
+                            source: "/* eslint-disable */"
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 0,
+                    fixableErrorCount: 0,
+                    fixableWarningCount: 0,
+                    usedDeprecatedRules: []
+                }
+            );
+        });
+    });
+
+    describe("when retreiving version number", () => {
+        it("should return current version number", () => {
+            const eslintCLI = require("../../../lib/cli-engine").CLIEngine;
+            const version = eslintCLI.version;
+
+            assert.isString(version);
+            assert.isTrue(parseInt(version[0], 10) >= 3);
+        });
+    });
+
+    describe("mutability", () => {
+        describe("plugins", () => {
+            it("Loading plugin in one instance doesn't mutate to another instance", () => {
+                const filePath = getFixturePath("single-quoted.js");
+                const engine1 = cliEngineWithPlugins({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    plugins: ["example"],
+                    rules: { "example/example-rule": 1 }
+                });
+                const engine2 = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false
+                });
+                const fileConfig1 = engine1.getConfigForFile(filePath);
+                const fileConfig2 = engine2.getConfigForFile(filePath);
+
+                // plugin
+                assert.deepStrictEqual(fileConfig1.plugins, ["example"], "Plugin is present for engine 1");
+                assert.deepStrictEqual(fileConfig2.plugins, [], "Plugin is not present for engine 2");
+            });
+        });
+
+        describe("rules", () => {
+            it("Loading rules in one instance doesn't mutate to another instance", () => {
+                const filePath = getFixturePath("single-quoted.js");
+                const engine1 = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false,
+                    rules: { "example/example-rule": 1 }
+                });
+                const engine2 = new CLIEngine({
+                    cwd: path.join(fixtureDir, ".."),
+                    useEslintrc: false
+                });
+                const fileConfig1 = engine1.getConfigForFile(filePath);
+                const fileConfig2 = engine2.getConfigForFile(filePath);
+
+                // plugin
+                assert.deepStrictEqual(fileConfig1.rules["example/example-rule"], [1], "example is present for engine 1");
+                assert.isUndefined(fileConfig2.rules["example/example-rule"], "example is not present for engine 2");
+            });
+        });
+    });
+
+    describe("with ignorePatterns config", () => {
+        const root = getFixturePath("cli-engine/ignore-patterns");
+
+        /** @type {typeof CLIEngine} */
+        let InMemoryCLIEngine;
+
+        describe("ignorePatterns can add an ignore pattern ('foo.js').", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "foo.js"
+                        }),
+                        "foo.js": "",
+                        "bar.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should not verify 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js"),
+                    path.join(root, "subdir/bar.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns can add ignore patterns ('foo.js', '/bar.js').", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: ["foo.js", "/bar.js"]
+                        }),
+                        "foo.js": "",
+                        "bar.js": "",
+                        "baz.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": "",
+                        "subdir/baz.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'true' for '/bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should not verify 'foo.js' and '/bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "baz.js"),
+                    path.join(root, "subdir/bar.js"),
+                    path.join(root, "subdir/baz.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns can unignore '/node_modules/foo'.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "!/node_modules/foo"
+                        }),
+                        "node_modules/foo/index.js": "",
+                        "node_modules/foo/.dot.js": "",
+                        "node_modules/bar/index.js": "",
+                        "foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'node_modules/foo/index.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("node_modules/foo/index.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'node_modules/foo/.dot.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("node_modules/foo/.dot.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'node_modules/bar/index.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("node_modules/bar/index.js"), true);
+            });
+
+            it("'executeOnFiles()' should verify 'node_modules/foo/index.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "foo.js"),
+                    path.join(root, "node_modules/foo/index.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns can unignore '.eslintrc.js'.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "!.eslintrc.js"
+                        })}`,
+                        "foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'false' for '.eslintrc.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored(".eslintrc.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify '.eslintrc.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, ".eslintrc.js"),
+                    path.join(root, "foo.js")
+                ]);
+            });
+        });
+
+        describe(".eslintignore can re-ignore files that are unignored by ignorePatterns.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "!.*"
+                        })}`,
+                        ".eslintignore": ".foo*",
+                        ".foo.js": "",
+                        ".bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for re-ignored '.foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored(".foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for unignored '.bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored(".bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should not verify re-ignored '.foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, ".bar.js"),
+                    path.join(root, ".eslintrc.js")
+                ]);
+            });
+        });
+
+        describe(".eslintignore can unignore files that are ignored by ignorePatterns.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "*.js"
+                        })}`,
+                        ".eslintignore": "!foo.js",
+                        "foo.js": "",
+                        "bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'false' for unignored 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'true' for ignored 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), true);
+            });
+
+            it("'executeOnFiles()' should verify unignored 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "foo.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in the config file in a child directory affects to only in the directory.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "foo.js"
+                        }),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            ignorePatterns: "bar.js"
+                        }),
+                        "foo.js": "",
+                        "bar.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": "",
+                        "subdir/subsubdir/foo.js": "",
+                        "subdir/subsubdir/bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/subsubdir/foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'bar.js' in 'subdir'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/subsubdir/bar.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js' in the outside of 'subdir'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'bar.js' in the outside of 'subdir'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in the config file in a child directory can unignore the ignored files in the parent directory's config.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "foo.js"
+                        }),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            ignorePatterns: "!foo.js"
+                        }),
+                        "foo.js": "",
+                        "subdir/foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js' in the root directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'foo.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'foo.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "subdir/foo.js")
+                ]);
+            });
+        });
+
+        describe(".eslintignore can unignore files that are ignored by ignorePatterns in the config file in the child directory.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({}),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            ignorePatterns: "*.js"
+                        }),
+                        ".eslintignore": "!foo.js",
+                        "foo.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'false' for unignored 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), false);
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'true' for ignored 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), true);
+            });
+
+            it("'executeOnFiles()' should verify unignored 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "foo.js"),
+                    path.join(root, "subdir/foo.js")
+                ]);
+            });
+        });
+
+        describe("if the config in a child directory has 'root:true', ignorePatterns in the config file in the parent directory should not be used.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "foo.js"
+                        }),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            root: true,
+                            ignorePatterns: "bar.js"
+                        }),
+                        "foo.js": "",
+                        "bar.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js' in the root directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js' in the root directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'foo.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'bar.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), true);
+            });
+
+            it("'executeOnFiles()' should verify 'bar.js' in the root directory and 'foo.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js"),
+                    path.join(root, "subdir/foo.js")
+                ]);
+            });
+        });
+
+        describe("even if the config in a child directory has 'root:true', .eslintignore should be used.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({}),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            root: true,
+                            ignorePatterns: "bar.js"
+                        }),
+                        ".eslintignore": "foo.js",
+                        "foo.js": "",
+                        "bar.js": "",
+                        "subdir/foo.js": "",
+                        "subdir/bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js' in the root directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'bar.js' in the child directory.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/bar.js"), true);
+            });
+
+            it("'executeOnFiles()' should verify 'bar.js' in the root directory.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in the shareable config should be used.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "foo.js"
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "one"
+                        }),
+                        "foo.js": "",
+                        "bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in the shareable config should be relative to the entry config file.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "/foo.js"
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "one"
+                        }),
+                        "foo.js": "",
+                        "subdir/foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'subdir/foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("subdir/foo.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'subdir/foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "subdir/foo.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in a config file can unignore the files which are ignored by ignorePatterns in the shareable config.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            ignorePatterns: "*.js"
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "one",
+                            ignorePatterns: "!bar.js"
+                        }),
+                        "foo.js": "",
+                        "bar.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'true' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), true);
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+
+                assert.strictEqual(engine.isPathIgnored("bar.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'bar.js'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in a config file should not be used if --no-ignore option was given.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            ignorePatterns: "*.js"
+                        }),
+                        "foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'isPathIgnored()' should return 'false' for 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine({ ignore: false });
+
+                assert.strictEqual(engine.isPathIgnored("foo.js"), false);
+            });
+
+            it("'executeOnFiles()' should verify 'foo.js'.", () => {
+                const engine = new InMemoryCLIEngine({ ignore: false });
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "foo.js")
+                ]);
+            });
+        });
+
+        describe("ignorePatterns in overrides section is not allowed.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.js": `module.exports = ${JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "*.js",
+                                    ignorePatterns: "foo.js"
+                                }
+                            ]
+                        })}`,
+                        "foo.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("should throw a configuration error.", () => {
+                assert.throws(() => {
+                    const engine = new InMemoryCLIEngine();
+
+                    engine.executeOnFiles("*.js");
+                }, "Unexpected top-level property \"overrides[0].ignorePatterns\"");
+            });
+        });
+
+    });
+
+    describe("'overrides[].files' adds lint targets", () => {
+        const root = getFixturePath("cli-engine/additional-lint-targets");
+        let InMemoryCLIEngine;
+
+        describe("if { files: 'foo/*.txt', excludedFiles: '**/ignore.txt' } is present,", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "foo/*.txt",
+                                    excludedFiles: "**/ignore.txt"
+                                }
+                            ]
+                        }),
+                        "foo/nested/test.txt": "",
+                        "foo/test.js": "",
+                        "foo/test.txt": "",
+                        "foo/ignore.txt": "",
+                        "bar/test.js": "",
+                        "bar/test.txt": "",
+                        "bar/ignore.txt": "",
+                        "test.js": "",
+                        "test.txt": "",
+                        "ignore.txt": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with a directory path should contain 'foo/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles(".")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "foo/test.txt"),
+                    path.join(root, "test.js")
+                ]);
+            });
+
+            it("'executeOnFiles()' with a glob pattern '*.js' should not contain 'foo/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "test.js")
+                ]);
+            });
+        });
+
+        describe("if { files: 'foo/**/*.txt' } is present,", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "foo/**/*.txt"
+                                }
+                            ]
+                        }),
+                        "foo/nested/test.txt": "",
+                        "foo/test.js": "",
+                        "foo/test.txt": "",
+                        "bar/test.js": "",
+                        "bar/test.txt": "",
+                        "test.js": "",
+                        "test.txt": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with a directory path should contain 'foo/test.txt' and 'foo/nested/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles(".")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/nested/test.txt"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "foo/test.txt"),
+                    path.join(root, "test.js")
+                ]);
+            });
+        });
+
+        describe("if { files: 'foo/**/*' } is present,", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        ".eslintrc.json": JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "foo/**/*"
+                                }
+                            ]
+                        }),
+                        "foo/nested/test.txt": "",
+                        "foo/test.js": "",
+                        "foo/test.txt": "",
+                        "bar/test.js": "",
+                        "bar/test.txt": "",
+                        "test.js": "",
+                        "test.txt": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with a directory path should NOT contain 'foo/test.txt' and 'foo/nested/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles(".")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "test.js")
+                ]);
+            });
+        });
+
+        describe("if { files: 'foo/**/*.txt' } is present in a shareable config,", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-config-foo/index.js": `module.exports = ${JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "foo/**/*.txt"
+                                }
+                            ]
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "foo"
+                        }),
+                        "foo/nested/test.txt": "",
+                        "foo/test.js": "",
+                        "foo/test.txt": "",
+                        "bar/test.js": "",
+                        "bar/test.txt": "",
+                        "test.js": "",
+                        "test.txt": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with a directory path should contain 'foo/test.txt' and 'foo/nested/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles(".")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/nested/test.txt"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "foo/test.txt"),
+                    path.join(root, "test.js")
+                ]);
+            });
+        });
+
+        describe("if { files: 'foo/**/*.txt' } is present in a plugin config,", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": `exports.configs = ${JSON.stringify({
+                            bar: {
+                                overrides: [
+                                    {
+                                        files: "foo/**/*.txt"
+                                    }
+                                ]
+                            }
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: "plugin:foo/bar"
+                        }),
+                        "foo/nested/test.txt": "",
+                        "foo/test.js": "",
+                        "foo/test.txt": "",
+                        "bar/test.js": "",
+                        "bar/test.txt": "",
+                        "test.js": "",
+                        "test.txt": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with a directory path should contain 'foo/test.txt' and 'foo/nested/test.txt'.", () => {
+                const engine = new InMemoryCLIEngine();
+                const filePaths = engine.executeOnFiles(".")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(filePaths, [
+                    path.join(root, "bar/test.js"),
+                    path.join(root, "foo/nested/test.txt"),
+                    path.join(root, "foo/test.js"),
+                    path.join(root, "foo/test.txt"),
+                    path.join(root, "test.js")
+                ]);
+            });
+        });
+    });
+
+    describe("'ignorePatterns', 'overrides[].files', and 'overrides[].excludedFiles' of the configuration that the '--config' option provided should be resolved from CWD.", () => {
+        const root = getFixturePath("cli-engine/config-and-overrides-files");
+
+        /** @type {CLIEngine} */
+        let InMemoryCLIEngine;
+
+        describe("if { files: 'foo/*.txt', ... } is present by '--config node_modules/myconf/.eslintrc.json',", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/myconf/.eslintrc.json": JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "foo/*.js",
+                                    rules: {
+                                        eqeqeq: "error"
+                                    }
+                                }
+                            ]
+                        }),
+                        "node_modules/myconf/foo/test.js": "a == b",
+                        "foo/test.js": "a == b"
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with 'foo/test.js' should use the override entry.", () => {
+                const engine = new InMemoryCLIEngine({
+                    configFile: "node_modules/myconf/.eslintrc.json",
+                    cwd: root,
+                    ignore: false,
+                    useEslintrc: false
+                });
+                const { results } = engine.executeOnFiles("foo/test.js");
+
+                // Expected to be an 'eqeqeq' error because the file matches to `$CWD/foo/*.js`.
+                assert.deepStrictEqual(results, [
+                    {
+                        errorCount: 1,
+                        filePath: path.join(root, "foo/test.js"),
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        messages: [
+                            {
+                                column: 3,
+                                endColumn: 5,
+                                endLine: 1,
+                                line: 1,
+                                message: "Expected '===' and instead saw '=='.",
+                                messageId: "unexpected",
+                                nodeType: "BinaryExpression",
+                                ruleId: "eqeqeq",
+                                severity: 2
+                            }
+                        ],
+                        source: "a == b",
+                        warningCount: 0
+                    }
+                ]);
+            });
+
+            it("'executeOnFiles()' with 'node_modules/myconf/foo/test.js' should NOT use the override entry.", () => {
+                const engine = new InMemoryCLIEngine({
+                    configFile: "node_modules/myconf/.eslintrc.json",
+                    cwd: root,
+                    ignore: false,
+                    useEslintrc: false
+                });
+                const { results } = engine.executeOnFiles("node_modules/myconf/foo/test.js");
+
+                // Expected to be no errors because the file doesn't match to `$CWD/foo/*.js`.
+                assert.deepStrictEqual(results, [
+                    {
+                        errorCount: 0,
+                        filePath: path.join(root, "node_modules/myconf/foo/test.js"),
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        messages: [],
+                        warningCount: 0
+                    }
+                ]);
+            });
+        });
+
+        describe("if { files: '*', excludedFiles: 'foo/*.txt', ... } is present by '--config node_modules/myconf/.eslintrc.json',", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/myconf/.eslintrc.json": JSON.stringify({
+                            overrides: [
+                                {
+                                    files: "*",
+                                    excludedFiles: "foo/*.js",
+                                    rules: {
+                                        eqeqeq: "error"
+                                    }
+                                }
+                            ]
+                        }),
+                        "node_modules/myconf/foo/test.js": "a == b",
+                        "foo/test.js": "a == b"
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with 'foo/test.js' should NOT use the override entry.", () => {
+                const engine = new InMemoryCLIEngine({
+                    configFile: "node_modules/myconf/.eslintrc.json",
+                    cwd: root,
+                    ignore: false,
+                    useEslintrc: false
+                });
+                const { results } = engine.executeOnFiles("foo/test.js");
+
+                // Expected to be no errors because the file matches to `$CWD/foo/*.js`.
+                assert.deepStrictEqual(results, [
+                    {
+                        errorCount: 0,
+                        filePath: path.join(root, "foo/test.js"),
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        messages: [],
+                        warningCount: 0
+                    }
+                ]);
+            });
+
+            it("'executeOnFiles()' with 'node_modules/myconf/foo/test.js' should use the override entry.", () => {
+                const engine = new InMemoryCLIEngine({
+                    configFile: "node_modules/myconf/.eslintrc.json",
+                    cwd: root,
+                    ignore: false,
+                    useEslintrc: false
+                });
+                const { results } = engine.executeOnFiles("node_modules/myconf/foo/test.js");
+
+                // Expected to be an 'eqeqeq' error because the file doesn't match to `$CWD/foo/*.js`.
+                assert.deepStrictEqual(results, [
+                    {
+                        errorCount: 1,
+                        filePath: path.join(root, "node_modules/myconf/foo/test.js"),
+                        fixableErrorCount: 0,
+                        fixableWarningCount: 0,
+                        messages: [
+                            {
+                                column: 3,
+                                endColumn: 5,
+                                endLine: 1,
+                                line: 1,
+                                message: "Expected '===' and instead saw '=='.",
+                                messageId: "unexpected",
+                                nodeType: "BinaryExpression",
+                                ruleId: "eqeqeq",
+                                severity: 2
+                            }
+                        ],
+                        source: "a == b",
+                        warningCount: 0
+                    }
+                ]);
+            });
+        });
+
+        describe("if { ignorePatterns: 'foo/*.txt', ... } is present by '--config node_modules/myconf/.eslintrc.json',", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/myconf/.eslintrc.json": JSON.stringify({
+                            ignorePatterns: ["!/node_modules/myconf", "foo/*.js"],
+                            rules: {
+                                eqeqeq: "error"
+                            }
+                        }),
+                        "node_modules/myconf/foo/test.js": "a == b",
+                        "foo/test.js": "a == b"
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' with '**/*.js' should iterate 'node_modules/myconf/foo/test.js' but not 'foo/test.js'.", () => {
+                const engine = new InMemoryCLIEngine({
+                    configFile: "node_modules/myconf/.eslintrc.json",
+                    cwd: root,
+                    useEslintrc: false
+                });
+                const files = engine.executeOnFiles("**/*.js")
+                    .results
+                    .map(r => r.filePath)
+                    .sort();
+
+                assert.deepStrictEqual(files, [
+                    path.join(root, "node_modules/myconf/foo/test.js")
+                ]);
+            });
+        });
+    });
+
+    describe("plugin conflicts", () => {
+        let uid = 0;
+        let root = "";
+
+        beforeEach(() => {
+            root = getFixturePath(`cli-engine/plugin-conflicts-${++uid}`);
+        });
+
+        /** @type {typeof CLIEngine} */
+        let InMemoryCLIEngine;
+
+        /**
+         * Verify thrown errors.
+         * @param {() => void} f The function to run and throw.
+         * @param {Record<string, any>} props The properties to verify.
+         * @returns {void}
+         */
+        function assertThrows(f, props) {
+            try {
+                f();
+            } catch (error) {
+                for (const [key, value] of Object.entries(props)) {
+                    assert.deepStrictEqual(error[key], value, key);
+                }
+                return;
+            }
+
+            assert.fail("Function should throw an error, but not.");
+        }
+
+        describe("between a config file and linear extendees.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-one/node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            extends: ["two"],
+                            plugins: ["foo"]
+                        })}`,
+                        "node_modules/eslint-config-two/node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-two/index.js": `module.exports = ${JSON.stringify({
+                            plugins: ["foo"]
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: ["one"],
+                            plugins: ["foo"]
+                        }),
+                        "test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from the base directory of the entry config file.)", () => {
+                const engine = new InMemoryCLIEngine({ cwd: root });
+
+                engine.executeOnFiles("test.js");
+            });
+        });
+
+        describe("between a config file and same-depth extendees.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-one/node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-one/index.js": `module.exports = ${JSON.stringify({
+                            plugins: ["foo"]
+                        })}`,
+                        "node_modules/eslint-config-two/node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/eslint-config-two/index.js": `module.exports = ${JSON.stringify({
+                            plugins: ["foo"]
+                        })}`,
+                        ".eslintrc.json": JSON.stringify({
+                            extends: ["one", "two"],
+                            plugins: ["foo"]
+                        }),
+                        "test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from the base directory of the entry config file.)", () => {
+                const engine = new InMemoryCLIEngine({ cwd: root });
+
+                engine.executeOnFiles("test.js");
+            });
+        });
+
+        describe("between two config files in different directories, with single node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from the base directory of the entry config file, but there are two entry config files, but node_modules directory is unique.)", () => {
+                const engine = new InMemoryCLIEngine({ cwd: root });
+
+                engine.executeOnFiles("subdir/test.js");
+            });
+        });
+
+        describe("between two config files in different directories, with multiple node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/node_modules/eslint-plugin-foo/index.js": "",
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should throw plugin-conflict error. (Load the plugin from the base directory of the entry config file, but there are two entry config files.)", () => {
+                const engine = new InMemoryCLIEngine({ cwd: root });
+
+                assertThrows(
+                    () => engine.executeOnFiles("subdir/test.js"),
+                    {
+                        message: `Plugin "foo" was conflicted between "subdir${path.sep}.eslintrc.json" and ".eslintrc.json".`,
+                        messageTemplate: "plugin-conflict",
+                        messageData: {
+                            pluginId: "foo",
+                            plugins: [
+                                {
+                                    filePath: path.join(root, "subdir/node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: `subdir${path.sep}.eslintrc.json`
+                                },
+                                {
+                                    filePath: path.join(root, "node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: ".eslintrc.json"
+                                }
+                            ]
+                        }
+                    }
+                );
+            });
+        });
+
+        describe("between '--config' option and a regular config file, with single node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/mine/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from the base directory of the entry config file, but there are two entry config files, but node_modules directory is unique.)", () => {
+                const engine = new InMemoryCLIEngine({
+                    cwd: root,
+                    configFile: "node_modules/mine/.eslintrc.json"
+                });
+
+                engine.executeOnFiles("test.js");
+            });
+        });
+
+        describe("between '--config' option and a regular config file, with multiple node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/mine/node_modules/eslint-plugin-foo/index.js": "",
+                        "node_modules/mine/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should throw plugin-conflict error. (Load the plugin from the base directory of the entry config file, but there are two entry config files.)", () => {
+                const engine = new InMemoryCLIEngine({
+                    cwd: root,
+                    configFile: "node_modules/mine/.eslintrc.json"
+                });
+
+                assertThrows(
+                    () => engine.executeOnFiles("test.js"),
+                    {
+                        message: "Plugin \"foo\" was conflicted between \"--config\" and \".eslintrc.json\".",
+                        messageTemplate: "plugin-conflict",
+                        messageData: {
+                            pluginId: "foo",
+                            plugins: [
+                                {
+                                    filePath: path.join(root, "node_modules/mine/node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: "--config"
+                                },
+                                {
+                                    filePath: path.join(root, "node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: ".eslintrc.json"
+                                }
+                            ]
+                        }
+                    }
+                );
+            });
+        });
+
+        describe("between '--plugin' option and a regular config file, with single node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from both CWD and the base directory of the entry config file, but node_modules directory is unique.)", () => {
+                const engine = new InMemoryCLIEngine({
+                    cwd: root,
+                    plugins: ["foo"]
+                });
+
+                engine.executeOnFiles("subdir/test.js");
+            });
+        });
+
+        describe("between '--plugin' option and a regular config file, with multiple node_modules.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        "subdir/node_modules/eslint-plugin-foo/index.js": "",
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should throw plugin-conflict error. (Load the plugin from both CWD and the base directory of the entry config file.)", () => {
+                const engine = new InMemoryCLIEngine({
+                    cwd: root,
+                    plugins: ["foo"]
+                });
+
+                assertThrows(
+                    () => engine.executeOnFiles("subdir/test.js"),
+                    {
+                        message: `Plugin "foo" was conflicted between "CLIOptions" and "subdir${path.sep}.eslintrc.json".`,
+                        messageTemplate: "plugin-conflict",
+                        messageData: {
+                            pluginId: "foo",
+                            plugins: [
+                                {
+                                    filePath: path.join(root, "node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: "CLIOptions"
+                                },
+                                {
+                                    filePath: path.join(root, "subdir/node_modules/eslint-plugin-foo/index.js"),
+                                    importerName: `subdir${path.sep}.eslintrc.json`
+                                }
+                            ]
+                        }
+                    }
+                );
+            });
+        });
+
+        describe("'--resolve-plugins-relative-to' option overrides the location that ESLint load plugins from.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "node_modules/eslint-plugin-foo/index.js": "",
+                        ".eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/node_modules/eslint-plugin-foo/index.js": "",
+                        "subdir/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "subdir/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from '--resolve-plugins-relative-to'.)", () => {
+                const engine = new InMemoryCLIEngine({
+                    cwd: root,
+                    resolvePluginsRelativeTo: root
+                });
+
+                engine.executeOnFiles("subdir/test.js");
+            });
+        });
+
+        describe("between two config files with different target files.", () => {
+            beforeEach(() => {
+                InMemoryCLIEngine = defineCLIEngineWithInMemoryFileSystem({
+                    cwd: () => root,
+                    files: {
+                        "one/node_modules/eslint-plugin-foo/index.js": "",
+                        "one/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "one/test.js": "",
+                        "two/node_modules/eslint-plugin-foo/index.js": "",
+                        "two/.eslintrc.json": JSON.stringify({
+                            plugins: ["foo"]
+                        }),
+                        "two/test.js": ""
+                    }
+                }).CLIEngine;
+            });
+
+            it("'executeOnFiles()' should NOT throw plugin-conflict error. (Load the plugin from the base directory of the entry config file for each target file. Not related to each other.)", () => {
+                const engine = new InMemoryCLIEngine({ cwd: root });
+                const { results } = engine.executeOnFiles("*/test.js");
+
+                assert.strictEqual(results.length, 2);
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array-factory.js b/eslint/tests/lib/cli-engine/config-array-factory.js
new file mode 100644
index 0000000..20f256b
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array-factory.js
@@ -0,0 +1,2417 @@
+/**
+ * @fileoverview Tests for ConfigArrayFactory class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const os = require("os");
+const path = require("path");
+const { assert } = require("chai");
+const { spy } = require("sinon");
+const { ConfigArray } = require("../../../lib/cli-engine/config-array");
+const { OverrideTester } = require("../../../lib/cli-engine/config-array");
+const { createContext } = require("../../../lib/cli-engine/config-array-factory");
+const { defineConfigArrayFactoryWithInMemoryFileSystem } = require("./_utils");
+
+const tempDir = path.join(os.tmpdir(), "eslint/config-array-factory");
+
+// For VSCode intellisense.
+/** @typedef {InstanceType<ReturnType<defineConfigArrayFactoryWithInMemoryFileSystem>["ConfigArrayFactory"]>} ConfigArrayFactory */
+
+/**
+ * Assert a config array element.
+ * @param {Object} actual The actual value.
+ * @param {Object} providedExpected The expected value.
+ * @returns {void}
+ */
+function assertConfigArrayElement(actual, providedExpected) {
+    const expected = {
+        name: "",
+        filePath: "",
+        criteria: null,
+        env: void 0,
+        globals: void 0,
+        ignorePattern: void 0,
+        noInlineConfig: void 0,
+        parser: void 0,
+        parserOptions: void 0,
+        plugins: void 0,
+        processor: void 0,
+        reportUnusedDisableDirectives: void 0,
+        root: void 0,
+        rules: void 0,
+        settings: void 0,
+        type: "config",
+        ...providedExpected
+    };
+
+    assert.deepStrictEqual(actual, expected);
+}
+
+/**
+ * Assert a config array element.
+ * @param {Object} actual The actual value.
+ * @param {Object} providedExpected The expected value.
+ * @returns {void}
+ */
+function assertConfig(actual, providedExpected) {
+    const expected = {
+        env: {},
+        globals: {},
+        ignorePatterns: [],
+        noInlineConfig: void 0,
+        parser: null,
+        parserOptions: {},
+        plugins: [],
+        reportUnusedDisableDirectives: void 0,
+        rules: {},
+        settings: {},
+        ...providedExpected
+    };
+
+    assert.deepStrictEqual(actual, expected);
+}
+
+/**
+ * Assert a plugin definition.
+ * @param {Object} actual The actual value.
+ * @param {Object} providedExpected The expected value.
+ * @returns {void}
+ */
+function assertPluginDefinition(actual, providedExpected) {
+    const expected = {
+        configs: {},
+        environments: {},
+        processors: {},
+        rules: {},
+        ...providedExpected
+    };
+
+    assert.deepStrictEqual(actual, expected);
+}
+
+describe("ConfigArrayFactory", () => {
+    describe("'create(configData, options)' method should normalize the config data.", () => {
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir
+        });
+
+        /** @type {ConfigArrayFactory} */
+        let factory;
+
+        beforeEach(() => {
+            factory = new ConfigArrayFactory();
+        });
+
+        it("should return an empty config array if 'configData' is null.", () => {
+            assert.strictEqual(factory.create(null).length, 0);
+        });
+
+        it("should throw an error if the config data had invalid properties,", () => {
+            assert.throws(() => {
+                factory.create({ files: true });
+            }, /Unexpected top-level property "files"/u);
+        });
+
+        it("should call '_normalizeConfigData(configData, ctx)' with given arguments.", () => {
+            const configData = {};
+            const basePath = tempDir;
+            const filePath = __filename;
+            const name = "example";
+            const normalizeConfigData = spy(factory, "_normalizeConfigData");
+
+            factory.create(configData, { basePath, filePath, name });
+
+            assert.strictEqual(normalizeConfigData.callCount, 1);
+            assert.deepStrictEqual(normalizeConfigData.args[0], [
+                configData,
+                createContext({ cwd: tempDir }, void 0, name, filePath, basePath)
+            ]);
+        });
+
+        it("should return a config array that contains the yielded elements from '_normalizeConfigData(configData, ctx)'.", () => {
+            const elements = [{}, {}];
+
+            factory._normalizeConfigData = () => elements; // eslint-disable-line no-underscore-dangle
+
+            const configArray = factory.create({});
+
+            assert.strictEqual(configArray.length, 2);
+            assert.strictEqual(configArray[0], elements[0]);
+            assert.strictEqual(configArray[1], elements[1]);
+        });
+    });
+
+    describe("'loadFile(filePath, options)' method should load a config file.", () => {
+        const basicFiles = {
+            "js/.eslintrc.js": "exports.settings = { name: 'js/.eslintrc.js' }",
+            "cjs/.eslintrc.cjs": "exports.settings = { name: 'cjs/.eslintrc.cjs' }",
+            "json/.eslintrc.json": "{ \"settings\": { \"name\": \"json/.eslintrc.json\" } }",
+            "legacy-json/.eslintrc": "{ \"settings\": { \"name\": \"legacy-json/.eslintrc\" } }",
+            "legacy-yml/.eslintrc": "settings:\n  name: legacy-yml/.eslintrc",
+            "package-json/package.json": "{ \"eslintConfig\": { \"settings\": { \"name\": \"package-json/package.json\" } } }",
+            "yml/.eslintrc.yml": "settings:\n  name: yml/.eslintrc.yml",
+            "yaml/.eslintrc.yaml": "settings:\n  name: yaml/.eslintrc.yaml"
+        };
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir,
+            files: {
+                ...basicFiles,
+                "invalid-property.json": "{ \"files\": \"*.js\" }",
+                "package-json-no-config/package.json": "{ \"name\": \"foo\" }"
+            }
+        });
+
+        /** @type {ConfigArrayFactory} */
+        let factory;
+
+        beforeEach(() => {
+            factory = new ConfigArrayFactory();
+        });
+
+        it("should throw an error if 'filePath' is null.", () => {
+            assert.throws(() => factory.loadFile(null));
+        });
+
+        it("should throw an error if 'filePath' doesn't exist.", () => {
+            assert.throws(() => {
+                factory.loadFile("non-exist");
+            }, /Cannot read config file:.*non-exist/su);
+        });
+
+        it("should throw an error if 'filePath' was 'package.json' and it doesn't have 'eslintConfig' field.", () => {
+            assert.throws(() => {
+                factory.loadFile("package-json-no-config/package.json");
+            }, /Cannot read config file:.*package.json/su);
+        });
+
+        it("should throw an error if the config data had invalid properties,", () => {
+            assert.throws(() => {
+                factory.loadFile("invalid-property.json");
+            }, /Unexpected top-level property "files"/u);
+        });
+
+        for (const filePath of Object.keys(basicFiles)) {
+            it(`should load '${filePath}' then return a config array what contains that file content.`, () => { // eslint-disable-line no-loop-func
+                const configArray = factory.loadFile(filePath);
+
+                assert.strictEqual(configArray.length, 1);
+                assertConfigArrayElement(configArray[0], {
+                    filePath: path.resolve(tempDir, filePath),
+                    name: path.relative(tempDir, path.resolve(tempDir, filePath)),
+                    settings: { name: filePath }
+                });
+            });
+        }
+
+        it("should call '_normalizeConfigData(configData, ctx)' with the loaded config data and given options.", () => {
+            const basePath = tempDir;
+            const filePath = "js/.eslintrc.js";
+            const name = "example";
+            const normalizeConfigData = spy(factory, "_normalizeConfigData");
+
+            factory.loadFile(filePath, { basePath, name });
+
+            assert.strictEqual(normalizeConfigData.callCount, 1);
+            assert.deepStrictEqual(normalizeConfigData.args[0], [
+                { settings: { name: filePath } },
+                createContext({ cwd: tempDir }, void 0, name, filePath, basePath)
+            ]);
+        });
+
+        it("should return a config array that contains the yielded elements from '_normalizeConfigData(configData, ctx)'.", () => {
+            const elements = [{}, {}];
+
+            factory._normalizeConfigData = () => elements; // eslint-disable-line no-underscore-dangle
+
+            const configArray = factory.loadFile("js/.eslintrc.js");
+
+            assert.strictEqual(configArray.length, 2);
+            assert.strictEqual(configArray[0], elements[0]);
+            assert.strictEqual(configArray[1], elements[1]);
+        });
+    });
+
+    describe("'loadInDirectory(directoryPath, options)' method should load the config file of a directory.", () => {
+        const basicFiles = {
+            "js/.eslintrc.js": "exports.settings = { name: 'js/.eslintrc.js' }",
+            "cjs/.eslintrc.cjs": "exports.settings = { name: 'cjs/.eslintrc.cjs' }",
+            "json/.eslintrc.json": "{ \"settings\": { \"name\": \"json/.eslintrc.json\" } }",
+            "legacy-json/.eslintrc": "{ \"settings\": { \"name\": \"legacy-json/.eslintrc\" } }",
+            "legacy-yml/.eslintrc": "settings:\n  name: legacy-yml/.eslintrc",
+            "package-json/package.json": "{ \"eslintConfig\": { \"settings\": { \"name\": \"package-json/package.json\" } } }",
+            "yml/.eslintrc.yml": "settings:\n  name: yml/.eslintrc.yml",
+            "yaml/.eslintrc.yaml": "settings:\n  name: yaml/.eslintrc.yaml"
+        };
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir,
+            files: {
+                ...basicFiles,
+                "invalid-property/.eslintrc.json": "{ \"files\": \"*.js\" }",
+                "package-json-no-config/package.json": "{ \"name\": \"foo\" }"
+            }
+        });
+
+        /** @type {ConfigArrayFactory} */
+        let factory;
+
+        beforeEach(() => {
+            factory = new ConfigArrayFactory();
+        });
+
+        it("should throw an error if 'directoryPath' is null.", () => {
+            assert.throws(() => factory.loadInDirectory(null));
+        });
+
+        it("should return an empty config array if the config file of 'directoryPath' doesn't exist.", () => {
+            assert.strictEqual(factory.loadInDirectory("non-exist").length, 0);
+        });
+
+        it("should return an empty config array if the config file of 'directoryPath' was package.json and it didn't have 'eslintConfig' field.", () => {
+            assert.strictEqual(factory.loadInDirectory("package-json-no-config").length, 0);
+        });
+
+        it("should throw an error if the config data had invalid properties,", () => {
+            assert.throws(() => {
+                factory.loadInDirectory("invalid-property");
+            }, /Unexpected top-level property "files"/u);
+        });
+
+        for (const filePath of Object.keys(basicFiles)) {
+            const directoryPath = filePath.split("/")[0];
+
+            it(`should load '${directoryPath}' then return a config array what contains the config file of that directory.`, () => { // eslint-disable-line no-loop-func
+                const configArray = factory.loadInDirectory(directoryPath);
+
+                assert.strictEqual(configArray.length, 1);
+                assertConfigArrayElement(configArray[0], {
+                    filePath: path.resolve(tempDir, filePath),
+                    name: path.relative(tempDir, path.resolve(tempDir, filePath)),
+                    settings: { name: filePath }
+                });
+            });
+        }
+
+        it("should call '_normalizeConfigData(configData, ctx)' with the loaded config data and given options.", () => {
+            const basePath = tempDir;
+            const directoryPath = "js";
+            const name = "example";
+            const normalizeConfigData = spy(factory, "_normalizeConfigData");
+
+            factory.loadInDirectory(directoryPath, { basePath, name });
+
+            assert.strictEqual(normalizeConfigData.callCount, 1);
+            assert.deepStrictEqual(normalizeConfigData.args[0], [
+                { settings: { name: `${directoryPath}/.eslintrc.js` } },
+                createContext({ cwd: tempDir }, void 0, name, path.join(directoryPath, ".eslintrc.js"), basePath)
+            ]);
+        });
+
+        it("should return a config array that contains the yielded elements from '_normalizeConfigData(configData, ctx)'.", () => {
+            const elements = [{}, {}];
+
+            factory._normalizeConfigData = () => elements; // eslint-disable-line no-underscore-dangle
+
+            const configArray = factory.loadInDirectory("js");
+
+            assert.strictEqual(configArray.length, 2);
+            assert.strictEqual(configArray[0], elements[0]);
+            assert.strictEqual(configArray[1], elements[1]);
+        });
+    });
+
+    /*
+     * All of `create`, `loadFile`, and `loadInDirectory` call this method.
+     * So this section tests the common part of the three.
+     */
+    describe("'_normalizeConfigData(configData, ctx)' method should normalize the config data.", () => {
+
+        /** @type {ConfigArrayFactory} */
+        let factory = null;
+
+        /**
+         * Call `_normalizeConfigData` method with given arguments.
+         * @param {ConfigData} configData The config data to normalize.
+         * @param {Object} [options] The options.
+         * @param {string} [options.filePath] The path to the config file of the config data.
+         * @param {string} [options.name] The name of the config file of the config data.
+         * @returns {ConfigArray} The created config array.
+         */
+        function create(configData, { filePath, name } = {}) {
+            const ctx = createContext({ cwd: tempDir }, void 0, name, filePath, void 0);
+
+            return new ConfigArray(...factory._normalizeConfigData(configData, ctx)); // eslint-disable-line no-underscore-dangle
+        }
+
+        describe("misc", () => {
+            before(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir
+                });
+
+                factory = new ConfigArrayFactory();
+            });
+
+            describe("if the config data was empty, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({});
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the default values in the element.", () => {
+                    assertConfigArrayElement(configArray[0], {});
+                });
+            });
+
+            describe("if the config data had 'env' property, the returned value", () => {
+                const env = { node: true };
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ env });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'env' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { env });
+                });
+            });
+
+            describe("if the config data had 'globals' property, the returned value", () => {
+                const globals = { window: "readonly" };
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ globals });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'globals' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { globals });
+                });
+            });
+
+            describe("if the config data had 'parser' property, the returned value", () => {
+                const parser = "espree";
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ parser });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'parser' value in the element.", () => {
+                    assert.strictEqual(configArray[0].parser.id, parser);
+                });
+            });
+
+            describe("if the config data had 'parserOptions' property, the returned value", () => {
+                const parserOptions = { ecmaVersion: 2015 };
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ parserOptions });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'parserOptions' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { parserOptions });
+                });
+            });
+
+            describe("if the config data had 'plugins' property, the returned value", () => {
+                const plugins = [];
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ plugins });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'plugins' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { plugins: {} });
+                });
+            });
+
+            describe("if the config data had 'root' property, the returned value", () => {
+                const root = true;
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ root });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'root' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { root });
+                });
+            });
+
+            describe("if the config data had 'rules' property, the returned value", () => {
+                const rules = { eqeqeq: "error" };
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ rules });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'rules' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { rules });
+                });
+            });
+
+            describe("if the config data had 'settings' property, the returned value", () => {
+                const settings = { foo: 777 };
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ settings });
+                });
+
+                it("should have an element.", () => {
+                    assert.strictEqual(configArray.length, 1);
+                });
+
+                it("should have the 'settings' value in the element.", () => {
+                    assertConfigArrayElement(configArray[0], { settings });
+                });
+            });
+        });
+
+        describe("'parser' details", () => {
+            before(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir,
+                    files: {
+                        "node_modules/xxx-parser/index.js": "exports.name = 'xxx-parser';",
+                        "subdir/node_modules/xxx-parser/index.js": "exports.name = 'subdir/xxx-parser';",
+                        "parser.js": "exports.name = './parser.js';"
+                    }
+                });
+
+                factory = new ConfigArrayFactory();
+            });
+
+            describe("if the 'parser' property was a valid package, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ parser: "xxx-parser" })[0];
+                });
+
+                it("should have the package ID at 'parser.id' property.", () => {
+                    assert.strictEqual(element.parser.id, "xxx-parser");
+                });
+
+                it("should have the package object at 'parser.definition' property.", () => {
+                    assert.deepStrictEqual(element.parser.definition, { name: "xxx-parser" });
+                });
+
+                it("should have the path to the package at 'parser.filePath' property.", () => {
+                    assert.strictEqual(element.parser.filePath, path.join(tempDir, "node_modules/xxx-parser/index.js"));
+                });
+            });
+
+            describe("if the 'parser' property was an invalid package, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ parser: "invalid-parser" })[0];
+                });
+
+                it("should have the package ID at 'parser.id' property.", () => {
+                    assert.strictEqual(element.parser.id, "invalid-parser");
+                });
+
+                it("should have the loading error at 'parser.error' property.", () => {
+                    assert.match(element.parser.error.message, /Cannot find module 'invalid-parser'/u);
+                });
+            });
+
+            describe("if the 'parser' property was a valid relative path, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ parser: "./parser" })[0];
+                });
+
+                it("should have the given path at 'parser.id' property.", () => {
+                    assert.strictEqual(element.parser.id, "./parser");
+                });
+
+                it("should have the file's object at 'parser.definition' property.", () => {
+                    assert.deepStrictEqual(element.parser.definition, { name: "./parser.js" });
+                });
+
+                it("should have the absolute path to the file at 'parser.filePath' property.", () => {
+                    assert.strictEqual(element.parser.filePath, path.join(tempDir, "./parser.js"));
+                });
+            });
+
+            describe("if the 'parser' property was an invalid relative path, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ parser: "./invalid-parser" })[0];
+                });
+
+                it("should have the given path at 'parser.id' property.", () => {
+                    assert.strictEqual(element.parser.id, "./invalid-parser");
+                });
+
+                it("should have the loading error at 'parser.error' property.", () => {
+                    assert.match(element.parser.error.message, /Cannot find module '.\/invalid-parser'/u);
+                });
+            });
+
+            describe("if 'parser' property was given and 'filePath' option was given, the parser", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create(
+                        { parser: "xxx-parser" },
+                        { filePath: path.join(tempDir, "subdir/.eslintrc") }
+                    )[0];
+                });
+
+                it("should be resolved relative to the 'filePath' option.", () => {
+                    assert.strictEqual(
+                        element.parser.filePath,
+
+                        // rather than "xxx-parser" at the project root.
+                        path.join(tempDir, "subdir/node_modules/xxx-parser/index.js")
+                    );
+                });
+            });
+        });
+
+        describe("'plugins' details", () => {
+            before(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir,
+                    files: {
+                        "node_modules/eslint-plugin-ext/index.js": "exports.processors = { '.abc': {}, '.xyz': {}, other: {} };",
+                        "node_modules/eslint-plugin-subdir/index.js": "",
+                        "node_modules/eslint-plugin-xxx/index.js": "exports.configs = { name: 'eslint-plugin-xxx' };",
+                        "subdir/node_modules/eslint-plugin-subdir/index.js": "",
+                        "parser.js": ""
+                    }
+                });
+
+                factory = new ConfigArrayFactory();
+            });
+
+            it("should throw an error if a 'plugins' value is a file path.", () => {
+                assert.throws(() => {
+                    create({ plugins: ["./path/to/plugin"] });
+                }, /Plugins array cannot includes file paths/u);
+            });
+
+            describe("if the 'plugins' property was a valid package, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ plugins: ["xxx"] })[0];
+                });
+
+                it("should have 'plugins[id]' property.", () => {
+                    assert.notStrictEqual(element.plugins.xxx, void 0);
+                });
+
+                it("should have the package ID at 'plugins[id].id' property.", () => {
+                    assert.strictEqual(element.plugins.xxx.id, "xxx");
+                });
+
+                it("should have the package object at 'plugins[id].definition' property.", () => {
+                    assertPluginDefinition(
+                        element.plugins.xxx.definition,
+                        { configs: { name: "eslint-plugin-xxx" } }
+                    );
+                });
+
+                it("should have the path to the package at 'plugins[id].filePath' property.", () => {
+                    assert.strictEqual(element.plugins.xxx.filePath, path.join(tempDir, "node_modules/eslint-plugin-xxx/index.js"));
+                });
+            });
+
+            describe("if the 'plugins' property was an invalid package, the first config array element", () => {
+                let element;
+
+                beforeEach(() => {
+                    element = create({ plugins: ["invalid"] })[0];
+                });
+
+                it("should have 'plugins[id]' property.", () => {
+                    assert.notStrictEqual(element.plugins.invalid, void 0);
+                });
+
+                it("should have the package ID at 'plugins[id].id' property.", () => {
+                    assert.strictEqual(element.plugins.invalid.id, "invalid");
+                });
+
+                it("should have the loading error at 'plugins[id].error' property.", () => {
+                    assert.match(element.plugins.invalid.error.message, /Cannot find module 'eslint-plugin-invalid'/u);
+                });
+            });
+
+            describe("even if 'plugins' property was given and 'filePath' option was given,", () => {
+                it("should load the plugin from 'subdir'.", () => {
+                    const configArray = create(
+                        { plugins: ["subdir"] },
+                        { filePath: path.resolve(tempDir, "subdir/a.js") }
+                    );
+
+                    assert.strictEqual(
+                        configArray[0].plugins.subdir.filePath,
+                        path.resolve(tempDir, "subdir/node_modules/eslint-plugin-subdir/index.js")
+                    );
+                });
+            });
+
+            describe("if 'plugins' property was given and the plugin has two file extension processors, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({ plugins: ["ext"] });
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                describe("the first element", () => {
+                    let element;
+
+                    beforeEach(() => {
+                        element = configArray[0];
+                    });
+
+                    it("should be named '#processors[\"ext/.abc\"]'.", () => {
+                        assert.strictEqual(element.name, "#processors[\"ext/.abc\"]");
+                    });
+
+                    it("should not have 'plugins' property.", () => {
+                        assert.strictEqual(element.plugins, void 0);
+                    });
+
+                    it("should have 'processor' property.", () => {
+                        assert.strictEqual(element.processor, "ext/.abc");
+                    });
+
+                    it("should have 'criteria' property which matches '.abc'.", () => {
+                        assert.strictEqual(element.criteria.test(path.join(tempDir, "1234.abc")), true);
+                        assert.strictEqual(element.criteria.test(path.join(tempDir, "1234.xyz")), false);
+                    });
+                });
+
+                describe("the second element", () => {
+                    let element;
+
+                    beforeEach(() => {
+                        element = configArray[1];
+                    });
+
+                    it("should be named '#processors[\"ext/.xyz\"]'.", () => {
+                        assert.strictEqual(element.name, "#processors[\"ext/.xyz\"]");
+                    });
+
+                    it("should not have 'plugins' property.", () => {
+                        assert.strictEqual(element.plugins, void 0);
+                    });
+
+                    it("should have 'processor' property.", () => {
+                        assert.strictEqual(element.processor, "ext/.xyz");
+                    });
+
+                    it("should have 'criteria' property which matches '.xyz'.", () => {
+                        assert.strictEqual(element.criteria.test(path.join(tempDir, "1234.abc")), false);
+                        assert.strictEqual(element.criteria.test(path.join(tempDir, "1234.xyz")), true);
+                    });
+                });
+
+                describe("the third element", () => {
+                    let element;
+
+                    beforeEach(() => {
+                        element = configArray[2];
+                    });
+
+                    it("should have 'plugins' property.", () => {
+                        assert.strictEqual(element.plugins.ext.id, "ext");
+                    });
+
+                    it("should not have 'processor' property.", () => {
+                        assert.strictEqual(element.processor, void 0);
+                    });
+                });
+            });
+        });
+
+        describe("'extends' details", () => {
+            before(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir,
+                    files: {
+                        "node_modules/eslint-config-foo/index.js": "exports.env = { browser: true }",
+                        "node_modules/eslint-config-one/index.js": "module.exports = { extends: 'two', env: { browser: true } }",
+                        "node_modules/eslint-config-two/index.js": "module.exports = { env: { node: true } }",
+                        "node_modules/eslint-config-override/index.js": `
+                            module.exports = {
+                                rules: { regular: 1 },
+                                overrides: [
+                                    { files: '*.xxx', rules: { override: 1 } },
+                                    { files: '*.yyy', rules: { override: 2 } }
+                                ]
+                            }
+                        `,
+                        "node_modules/eslint-plugin-foo/index.js": "exports.configs = { bar: { env: { es6: true } } }",
+                        "node_modules/eslint-plugin-invalid-config/index.js": "exports.configs = { foo: {} }",
+                        "node_modules/eslint-plugin-error/index.js": "throw new Error('xxx error')",
+                        "base.js": "module.exports = { rules: { semi: [2, 'always'] } };"
+                    }
+                });
+
+                factory = new ConfigArrayFactory();
+            });
+
+            it("should throw an error when extends config module is not found", () => {
+                assert.throws(() => {
+                    create({
+                        extends: "not-exist",
+                        rules: { eqeqeq: 2 }
+                    });
+                }, /Failed to load config "not-exist" to extend from./u);
+            });
+
+            it("should throw an error when an eslint config is not found", () => {
+                assert.throws(() => {
+                    create({
+                        extends: "eslint:foo",
+                        rules: { eqeqeq: 2 }
+                    });
+                }, /Failed to load config "eslint:foo" to extend from./u);
+            });
+
+            it("should throw an error when a plugin threw while loading.", () => {
+                assert.throws(() => {
+                    create({
+                        extends: "plugin:error/foo",
+                        rules: { eqeqeq: 2 }
+                    });
+                }, /xxx error/u);
+            });
+
+            it("should throw an error when a plugin extend is a file path.", () => {
+                assert.throws(() => {
+                    create({
+                        extends: "plugin:./path/to/foo",
+                        rules: { eqeqeq: 2 }
+                    });
+                }, /'extends' cannot use a file path for plugins/u);
+            });
+
+            it("should throw an error when an eslint config is not found", () => {
+                assert.throws(() => {
+                    create({
+                        extends: "eslint:foo",
+                        rules: { eqeqeq: 2 }
+                    });
+                }, /Failed to load config "eslint:foo" to extend from./u);
+            });
+
+            describe("if 'extends' property was 'eslint:all', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "eslint:all", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have two elements.", () => {
+                    assert.strictEqual(configArray.length, 2);
+                });
+
+                it("should have the config data of 'eslint:all' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » eslint:all",
+                        filePath: require.resolve("../../../conf/eslint-all.js"),
+                        ...require("../../../conf/eslint-all.js")
+                    });
+                });
+
+                it("should have the given config data at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was 'eslint:recommended', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "eslint:recommended", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have two elements.", () => {
+                    assert.strictEqual(configArray.length, 2);
+                });
+
+                it("should have the config data of 'eslint:recommended' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » eslint:recommended",
+                        filePath: require.resolve("../../../conf/eslint-recommended.js"),
+                        ...require("../../../conf/eslint-recommended.js")
+                    });
+                });
+
+                it("should have the given config data at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was 'foo', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "foo", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have two elements.", () => {
+                    assert.strictEqual(configArray.length, 2);
+                });
+
+                it("should have the config data of 'eslint-config-foo' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » eslint-config-foo",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-foo/index.js"),
+                        env: { browser: true }
+                    });
+                });
+
+                it("should have the given config data at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was 'plugin:foo/bar', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "plugin:foo/bar", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have two elements.", () => {
+                    assert.strictEqual(configArray.length, 2);
+                });
+
+                it("should have the config data of 'plugin:foo/bar' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » plugin:foo/bar",
+                        filePath: path.join(tempDir, "node_modules/eslint-plugin-foo/index.js"),
+                        env: { es6: true }
+                    });
+                });
+
+                it("should have the given config data at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was './base', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "./base", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have two elements.", () => {
+                    assert.strictEqual(configArray.length, 2);
+                });
+
+                it("should have the config data of './base' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » ./base",
+                        filePath: path.join(tempDir, "base.js"),
+                        rules: { semi: [2, "always"] }
+                    });
+                });
+
+                it("should have the given config data at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was 'one' and the 'one' extends 'two', the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "one", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                it("should have the config data of 'eslint-config-two' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » eslint-config-one » eslint-config-two",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-two/index.js"),
+                        env: { node: true }
+                    });
+                });
+
+                it("should have the config data of 'eslint-config-one' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc » eslint-config-one",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-one/index.js"),
+                        env: { browser: true }
+                    });
+                });
+
+                it("should have the given config data at the thrid element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+
+            describe("if 'extends' property was 'override' and the 'override' has 'overrides' property, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create(
+                        { extends: "override", rules: { eqeqeq: 1 } },
+                        { name: ".eslintrc" }
+                    );
+                });
+
+                it("should have four elements.", () => {
+                    assert.strictEqual(configArray.length, 4);
+                });
+
+                it("should have the config data of 'eslint-config-override' at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        name: ".eslintrc » eslint-config-override",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-override/index.js"),
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the 'overrides[0]' config data of 'eslint-config-override' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: ".eslintrc » eslint-config-override#overrides[0]",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-override/index.js"),
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+
+                it("should have the 'overrides[1]' config data of 'eslint-config-override' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: ".eslintrc » eslint-config-override#overrides[1]",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-override/index.js"),
+                        criteria: OverrideTester.create(["*.yyy"], [], tempDir),
+                        rules: { override: 2 }
+                    });
+                });
+
+                it("should have the given config data at the fourth element.", () => {
+                    assertConfigArrayElement(configArray[3], {
+                        name: ".eslintrc",
+                        rules: { eqeqeq: 1 }
+                    });
+                });
+            });
+        });
+
+        describe("'overrides' details", () => {
+            before(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir,
+                    files: {
+                        "node_modules/eslint-config-foo/index.js": `
+                            module.exports = {
+                                rules: { eqeqeq: "error" }
+                            }
+                        `,
+                        "node_modules/eslint-config-has-overrides/index.js": `
+                            module.exports = {
+                                rules: { eqeqeq: "error" },
+                                overrides: [
+                                    {
+                                        files: ["**/foo/**/*.js"],
+                                        rules: { eqeqeq: "off" }
+                                    }
+                                ]
+                            }
+                        `,
+                        "node_modules/eslint-config-root/index.js": `
+                            module.exports = {
+                                root: true,
+                                rules: { eqeqeq: "error" }
+                            }
+                        `
+                    }
+                });
+
+                factory = new ConfigArrayFactory();
+            });
+
+            describe("if 'overrides' property was given, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({
+                        rules: { regular: 1 },
+                        overrides: [
+                            { files: "*.xxx", rules: { override: 1 } },
+                            { files: "*.yyy", rules: { override: 2 } }
+                        ]
+                    });
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                it("should have the given config data at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0]' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: "#overrides[0]",
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[1]' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: "#overrides[1]",
+                        criteria: OverrideTester.create(["*.yyy"], [], tempDir),
+                        rules: { override: 2 }
+                    });
+                });
+            });
+
+            describe("if a config in 'overrides' property had 'extends' property, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({
+                        rules: { regular: 1 },
+                        overrides: [
+                            {
+                                files: "*.xxx",
+                                extends: "foo",
+                                rules: { override: 1 }
+                            }
+                        ]
+                    });
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                it("should have the given config data at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0] » eslint-config-foo' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: "#overrides[0] » eslint-config-foo",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-foo/index.js"),
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { eqeqeq: "error" }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0]' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: "#overrides[0]",
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+            });
+
+            describe("if a config in 'overrides' property had 'extends' property and the shareable config has 'overrides' property, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({
+                        rules: { regular: 1 },
+                        overrides: [
+                            {
+                                files: "*.xxx",
+                                extends: "has-overrides",
+                                rules: { override: 1 }
+                            }
+                        ]
+                    });
+                });
+
+                it("should have four elements.", () => {
+                    assert.strictEqual(configArray.length, 4);
+                });
+
+                it("should have the given config data at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0] » eslint-config-has-overrides' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: "#overrides[0] » eslint-config-has-overrides",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-has-overrides/index.js"),
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { eqeqeq: "error" }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0] » eslint-config-has-overrides#overrides[0]' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: "#overrides[0] » eslint-config-has-overrides#overrides[0]",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-has-overrides/index.js"),
+                        criteria: OverrideTester.and(
+                            OverrideTester.create(["*.xxx"], [], tempDir),
+                            OverrideTester.create(["**/foo/**/*.js"], [], tempDir)
+                        ),
+                        rules: { eqeqeq: "off" }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0]' at the fourth element.", () => {
+                    assertConfigArrayElement(configArray[3], {
+                        name: "#overrides[0]",
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+            });
+
+            describe("if a config in 'overrides' property had 'overrides' property, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({
+                        rules: { regular: 1 },
+                        overrides: [
+                            {
+                                files: "*.xxx",
+                                rules: { override: 1 },
+                                overrides: [
+                                    {
+                                        files: "*.yyy",
+                                        rules: { override: 2 }
+                                    }
+                                ]
+                            }
+                        ]
+                    });
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                it("should have the given config data at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0]' at the second element.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: "#overrides[0]",
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0].overrides[0]' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: "#overrides[0]#overrides[0]",
+                        criteria: OverrideTester.and(
+                            OverrideTester.create(["*.xxx"], [], tempDir),
+                            OverrideTester.create(["*.yyy"], [], tempDir)
+                        ),
+                        rules: { override: 2 }
+                    });
+                });
+            });
+
+            describe("if a config in 'overrides' property had 'root' property, the returned value", () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = create({
+                        rules: { regular: 1 },
+                        overrides: [
+                            {
+                                files: "*.xxx",
+                                extends: "root",
+                                rules: { override: 1 }
+                            }
+                        ]
+                    });
+                });
+
+                it("should have three elements.", () => {
+                    assert.strictEqual(configArray.length, 3);
+                });
+
+                it("should have the given config data at the first element.", () => {
+                    assertConfigArrayElement(configArray[0], {
+                        rules: { regular: 1 }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0] » eslint-config-root' at the second element; it doesn't have 'root' property.", () => {
+                    assertConfigArrayElement(configArray[1], {
+                        name: "#overrides[0] » eslint-config-root",
+                        filePath: path.join(tempDir, "node_modules/eslint-config-root/index.js"),
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { eqeqeq: "error" }
+                    });
+                });
+
+                it("should have the config data of 'overrides[0]' at the third element.", () => {
+                    assertConfigArrayElement(configArray[2], {
+                        name: "#overrides[0]",
+                        criteria: OverrideTester.create(["*.xxx"], [], tempDir),
+                        rules: { override: 1 }
+                    });
+                });
+            });
+        });
+
+        describe("additional plugin pool", () => {
+            beforeEach(() => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    cwd: () => tempDir
+                });
+
+                factory = new ConfigArrayFactory({
+                    additionalPluginPool: new Map([
+                        ["abc", { configs: { name: "abc" } }],
+                        ["eslint-plugin-def", { configs: { name: "def" } }]
+                    ])
+                });
+            });
+
+            it("should use the matched plugin in the additional plugin pool; short to short", () => {
+                const configArray = create({ plugins: ["abc"] });
+
+                assert.strictEqual(configArray[0].plugins.abc.id, "abc");
+                assertPluginDefinition(
+                    configArray[0].plugins.abc.definition,
+                    { configs: { name: "abc" } }
+                );
+            });
+
+            it("should use the matched plugin in the additional plugin pool; long to short", () => {
+                const configArray = create({ plugins: ["eslint-plugin-abc"] });
+
+                assert.strictEqual(configArray[0].plugins.abc.id, "abc");
+                assertPluginDefinition(
+                    configArray[0].plugins.abc.definition,
+                    { configs: { name: "abc" } }
+                );
+            });
+
+            it("should use the matched plugin in the additional plugin pool; short to long", () => {
+                const configArray = create({ plugins: ["def"] });
+
+                assert.strictEqual(configArray[0].plugins.def.id, "def");
+                assertPluginDefinition(
+                    configArray[0].plugins.def.definition,
+                    { configs: { name: "def" } }
+                );
+            });
+
+            it("should use the matched plugin in the additional plugin pool; long to long", () => {
+                const configArray = create({ plugins: ["eslint-plugin-def"] });
+
+                assert.strictEqual(configArray[0].plugins.def.id, "def");
+                assertPluginDefinition(
+                    configArray[0].plugins.def.definition,
+                    { configs: { name: "def" } }
+                );
+            });
+        });
+    });
+
+    // This group moved from 'tests/lib/config/config-file.js' when refactoring to keep the cumulated test cases.
+    describe("'extends' property should handle the content of extended configs properly.", () => {
+        const files = {
+            "node_modules/eslint-config-foo/index.js": "exports.env = { browser: true }",
+            "node_modules/eslint-config-one/index.js": "module.exports = { extends: 'two', env: { browser: true } }",
+            "node_modules/eslint-config-two/index.js": "module.exports = { env: { node: true } }",
+            "node_modules/eslint-plugin-invalid-parser/index.js": "exports.configs = { foo: { parser: 'nonexistent-parser' } }",
+            "node_modules/eslint-plugin-invalid-config/index.js": "exports.configs = { foo: {} }",
+            "js/.eslintrc.js": "module.exports = { rules: { semi: [2, 'always'] } };",
+            "cjs/.eslintrc.cjs": "module.exports = { rules: { semi: [2, 'always'] } };",
+            "json/.eslintrc.json": "{ \"rules\": { \"quotes\": [2, \"double\"] } }",
+            "package-json/package.json": "{ \"eslintConfig\": { \"env\": { \"es6\": true } } }",
+            "yaml/.eslintrc.yaml": "env:\n    browser: true"
+        };
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({ files });
+        const factory = new ConfigArrayFactory();
+
+        /**
+         * Apply `extends` property.
+         * @param {Object} configData The config that has `extends` property.
+         * @param {string} [filePath] The path to the config data.
+         * @returns {Object} The applied config data.
+         */
+        function applyExtends(configData, filePath = "whatever") {
+            return factory
+                .create(configData, { filePath })
+                .extractConfig(filePath)
+                .toCompatibleObjectAsConfigFileContent();
+        }
+
+        it("should apply extension 'foo' when specified from root directory config", () => {
+            const config = applyExtends({
+                extends: "foo",
+                rules: { eqeqeq: 2 }
+            });
+
+            assertConfig(config, {
+                env: { browser: true },
+                rules: { eqeqeq: [2] }
+            });
+        });
+
+        it("should apply all rules when extends config includes 'eslint:all'", () => {
+            const config = applyExtends({
+                extends: "eslint:all"
+            });
+
+            assert.strictEqual(config.rules.eqeqeq[0], "error");
+            assert.strictEqual(config.rules.curly[0], "error");
+        });
+
+        it("should throw an error when extends config module is not found", () => {
+            assert.throws(() => {
+                applyExtends({
+                    extends: "not-exist",
+                    rules: { eqeqeq: 2 }
+                });
+            }, /Failed to load config "not-exist" to extend from./u);
+        });
+
+        it("should throw an error when an eslint config is not found", () => {
+            assert.throws(() => {
+                applyExtends({
+                    extends: "eslint:foo",
+                    rules: { eqeqeq: 2 }
+                });
+            }, /Failed to load config "eslint:foo" to extend from./u);
+        });
+
+        it("should throw an error when a parser in a plugin config is not found", () => {
+            assert.throws(() => {
+                applyExtends({
+                    extends: "plugin:invalid-parser/foo",
+                    rules: { eqeqeq: 2 }
+                });
+            }, /Failed to load parser 'nonexistent-parser' declared in 'whatever » plugin:invalid-parser\/foo'/u);
+        });
+
+        it("should fall back to default parser when a parser called 'espree' is not found", () => {
+            const config = applyExtends({ parser: "espree" });
+
+            assertConfig(config, {
+                parser: require.resolve("espree")
+            });
+        });
+
+        it("should throw an error when a plugin config is not found", () => {
+            assert.throws(() => {
+                applyExtends({
+                    extends: "plugin:invalid-config/bar",
+                    rules: { eqeqeq: 2 }
+                });
+            }, /Failed to load config "plugin:invalid-config\/bar" to extend from./u);
+        });
+
+        it("should throw an error with a message template when a plugin referenced for a plugin config is not found", () => {
+            try {
+                applyExtends({
+                    extends: "plugin:nonexistent-plugin/baz",
+                    rules: { eqeqeq: 2 }
+                });
+            } catch (err) {
+                assert.strictEqual(err.messageTemplate, "plugin-missing");
+                assert.deepStrictEqual(err.messageData, {
+                    pluginName: "eslint-plugin-nonexistent-plugin",
+                    resolvePluginsRelativeTo: process.cwd(),
+                    importerName: "whatever"
+                });
+                return;
+            }
+            assert.fail("Expected to throw an error");
+        });
+
+        it("should throw an error with a message template when a plugin in the plugins list is not found", () => {
+            try {
+                applyExtends({
+                    plugins: ["nonexistent-plugin"]
+                });
+            } catch (err) {
+                assert.strictEqual(err.messageTemplate, "plugin-missing");
+                assert.deepStrictEqual(err.messageData, {
+                    pluginName: "eslint-plugin-nonexistent-plugin",
+                    resolvePluginsRelativeTo: process.cwd(),
+                    importerName: "whatever"
+                });
+                return;
+            }
+            assert.fail("Expected to throw an error");
+        });
+
+        it("should apply extensions recursively when specified from package", () => {
+            const config = applyExtends({
+                extends: "one",
+                rules: { eqeqeq: 2 }
+            });
+
+            assertConfig(config, {
+                env: { browser: true, node: true },
+                rules: { eqeqeq: [2] }
+            });
+        });
+
+        it("should apply extensions when specified from a JavaScript file", () => {
+            const config = applyExtends({
+                extends: ".eslintrc.js",
+                rules: { eqeqeq: 2 }
+            }, "js/foo.js");
+
+            assertConfig(config, {
+                rules: {
+                    semi: [2, "always"],
+                    eqeqeq: [2]
+                }
+            });
+        });
+
+        it("should apply extensions when specified from a YAML file", () => {
+            const config = applyExtends({
+                extends: ".eslintrc.yaml",
+                rules: { eqeqeq: 2 }
+            }, "yaml/foo.js");
+
+            assertConfig(config, {
+                env: { browser: true },
+                rules: {
+                    eqeqeq: [2]
+                }
+            });
+        });
+
+        it("should apply extensions when specified from a JSON file", () => {
+            const config = applyExtends({
+                extends: ".eslintrc.json",
+                rules: { eqeqeq: 2 }
+            }, "json/foo.js");
+
+            assertConfig(config, {
+                rules: {
+                    eqeqeq: [2],
+                    quotes: [2, "double"]
+                }
+            });
+        });
+
+        it("should apply extensions when specified from a package.json file in a sibling directory", () => {
+            const config = applyExtends({
+                extends: "../package-json/package.json",
+                rules: { eqeqeq: 2 }
+            }, "json/foo.js");
+
+            assertConfig(config, {
+                env: { es6: true },
+                rules: {
+                    eqeqeq: [2]
+                }
+            });
+        });
+    });
+
+    // This group moved from 'tests/lib/config/config-file.js' when refactoring to keep the cumulated test cases.
+    describe("loading config files should work properly.", () => {
+
+        /**
+         * Load a given config file.
+         * @param {ConfigArrayFactory} factory The factory to load.
+         * @param {string} filePath The path to a config file.
+         * @returns {Object} The applied config data.
+         */
+        function load(factory, filePath) {
+            return factory
+                .loadFile(filePath)
+                .extractConfig(filePath)
+                .toCompatibleObjectAsConfigFileContent();
+        }
+
+        it("should throw error if file doesn't exist", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem();
+            const factory = new ConfigArrayFactory();
+
+            assert.throws(() => {
+                load(factory, "legacy/nofile.js");
+            });
+
+            assert.throws(() => {
+                load(factory, "legacy/package.json");
+            });
+        });
+
+        it("should load information from a legacy file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "legacy/.eslintrc": "{ rules: { eqeqeq: 2 } }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "legacy/.eslintrc");
+
+            assertConfig(config, {
+                rules: {
+                    eqeqeq: [2]
+                }
+            });
+        });
+
+        it("should load information from a JavaScript file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "js/.eslintrc.js": "module.exports = { rules: { semi: [2, 'always'] } };"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "js/.eslintrc.js");
+
+            assertConfig(config, {
+                rules: {
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should load information from a JavaScript file with a .cjs extension", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "cjs/.eslintrc.cjs": "module.exports = { rules: { semi: [2, 'always'] } };"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "cjs/.eslintrc.cjs");
+
+            assertConfig(config, {
+                rules: {
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should throw error when loading invalid JavaScript file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "js/.eslintrc.broken.js": "module.exports = { rules: { semi: [2, 'always'] }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+
+            assert.throws(() => {
+                load(factory, "js/.eslintrc.broken.js");
+            }, /Cannot read config file/u);
+        });
+
+        it("should interpret parser module name when present in a JavaScript file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "node_modules/foo/index.js": "",
+                    "js/node_modules/foo/index.js": "",
+                    "js/.eslintrc.parser.js": `module.exports = {
+                        parser: 'foo',
+                        rules: { semi: [2, 'always'] }
+                    };`
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "js/.eslintrc.parser.js");
+
+            assertConfig(config, {
+                parser: path.resolve("js/node_modules/foo/index.js"),
+                rules: {
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should interpret parser path when present in a JavaScript file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "js/.eslintrc.parser2.js": `module.exports = {
+                        parser: './not-a-config.js',
+                        rules: { semi: [2, 'always'] }
+                    };`,
+                    "js/not-a-config.js": ""
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "js/.eslintrc.parser2.js");
+
+            assertConfig(config, {
+                parser: path.resolve("js/not-a-config.js"),
+                rules: {
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should interpret parser module name or path when parser is set to default parser in a JavaScript file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "js/.eslintrc.parser3.js": `module.exports = {
+                        parser: 'espree',
+                        rules: { semi: [2, 'always'] }
+                    };`
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "js/.eslintrc.parser3.js");
+
+            assertConfig(config, {
+                parser: require.resolve("espree"),
+                rules: {
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should load information from a JSON file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "json/.eslintrc.json": "{ \"rules\": { \"quotes\": [2, \"double\"] } }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "json/.eslintrc.json");
+
+            assertConfig(config, {
+                rules: {
+                    quotes: [2, "double"]
+                }
+            });
+        });
+
+        it("should load fresh information from a JSON file", () => {
+            const { fs, ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem();
+            const factory = new ConfigArrayFactory();
+            const initialConfig = {
+                rules: {
+                    quotes: [2, "double"]
+                }
+            };
+            const updatedConfig = {
+                rules: {
+                    quotes: [0]
+                }
+            };
+            let config;
+
+            fs.writeFileSync("fresh-test.json", JSON.stringify(initialConfig));
+            config = load(factory, "fresh-test.json");
+            assertConfig(config, initialConfig);
+
+            fs.writeFileSync("fresh-test.json", JSON.stringify(updatedConfig));
+            config = load(factory, "fresh-test.json");
+            assertConfig(config, updatedConfig);
+        });
+
+        it("should load information from a package.json file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "package-json/package.json": "{ \"eslintConfig\": { \"env\": { \"es6\": true } } }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "package-json/package.json");
+
+            assertConfig(config, {
+                env: { es6: true }
+            });
+        });
+
+        it("should throw error when loading invalid package.json file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "broken-package-json/package.json": "{ \"eslintConfig\": { \"env\": { \"es6\": true } }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+
+            assert.throws(() => {
+                try {
+                    load(factory, "broken-package-json/package.json");
+                } catch (error) {
+                    assert.strictEqual(error.messageTemplate, "failed-to-read-json");
+                    throw error;
+                }
+            }, /Cannot read config file/u);
+        });
+
+        it("should load fresh information from a package.json file", () => {
+            const { fs, ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem();
+            const factory = new ConfigArrayFactory();
+            const initialConfig = {
+                eslintConfig: {
+                    rules: {
+                        quotes: [2, "double"]
+                    }
+                }
+            };
+            const updatedConfig = {
+                eslintConfig: {
+                    rules: {
+                        quotes: [0]
+                    }
+                }
+            };
+            let config;
+
+            fs.writeFileSync("package.json", JSON.stringify(initialConfig));
+            config = load(factory, "package.json");
+            assertConfig(config, initialConfig.eslintConfig);
+
+            fs.writeFileSync("package.json", JSON.stringify(updatedConfig));
+            config = load(factory, "package.json");
+            assertConfig(config, updatedConfig.eslintConfig);
+        });
+
+        it("should load fresh information from a .eslintrc.js file", () => {
+            const { fs, ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem();
+            const factory = new ConfigArrayFactory();
+            const initialConfig = {
+                rules: {
+                    quotes: [2, "double"]
+                }
+            };
+            const updatedConfig = {
+                rules: {
+                    quotes: [0]
+                }
+            };
+            let config;
+
+            fs.writeFileSync(".eslintrc.js", `module.exports = ${JSON.stringify(initialConfig)}`);
+            config = load(factory, ".eslintrc.js");
+            assertConfig(config, initialConfig);
+
+            fs.writeFileSync(".eslintrc.js", `module.exports = ${JSON.stringify(updatedConfig)}`);
+            config = load(factory, ".eslintrc.js");
+            assertConfig(config, updatedConfig);
+        });
+
+        it("should load information from a YAML file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "yaml/.eslintrc.yaml": "env:\n    browser: true"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "yaml/.eslintrc.yaml");
+
+            assertConfig(config, {
+                env: { browser: true }
+            });
+        });
+
+        it("should load information from an empty YAML file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "yaml/.eslintrc.empty.yaml": "{}"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "yaml/.eslintrc.empty.yaml");
+
+            assertConfig(config, {});
+        });
+
+        it("should load information from a YML file", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "yml/.eslintrc.yml": "env:\n    node: true"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "yml/.eslintrc.yml");
+
+            assertConfig(config, {
+                env: { node: true }
+            });
+        });
+
+        it("should load information from a YML file and apply extensions", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "extends/.eslintrc.yml": "extends: ../package-json/package.json\nrules:\n    booya: 2",
+                    "package-json/package.json": "{ \"eslintConfig\": { \"env\": { \"es6\": true } } }"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "extends/.eslintrc.yml");
+
+            assertConfig(config, {
+                env: { es6: true },
+                rules: { booya: [2] }
+            });
+        });
+
+        it("should load information from `extends` chain.", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "extends-chain": {
+                        "node_modules/eslint-config-a": {
+                            "node_modules/eslint-config-b": {
+                                "node_modules/eslint-config-c": {
+                                    "index.js": "module.exports = { rules: { c: 2 } };"
+                                },
+                                "index.js": "module.exports = { extends: 'c', rules: { b: 2 } };"
+                            },
+                            "index.js": "module.exports = { extends: 'b', rules: { a: 2 } };"
+                        },
+                        ".eslintrc.json": "{ \"extends\": \"a\" }"
+                    }
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "extends-chain/.eslintrc.json");
+
+            assertConfig(config, {
+                rules: {
+                    a: [2], // from node_modules/eslint-config-a
+                    b: [2], // from node_modules/eslint-config-a/node_modules/eslint-config-b
+                    c: [2] // from node_modules/eslint-config-a/node_modules/eslint-config-b/node_modules/eslint-config-c
+                }
+            });
+        });
+
+        it("should load information from `extends` chain with relative path.", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "extends-chain-2": {
+                        "node_modules/eslint-config-a/index.js": "module.exports = { extends: './relative.js', rules: { a: 2 } };",
+                        "node_modules/eslint-config-a/relative.js": "module.exports = { rules: { relative: 2 } };",
+                        ".eslintrc.json": "{ \"extends\": \"a\" }"
+                    }
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "extends-chain-2/.eslintrc.json");
+
+            assertConfig(config, {
+                rules: {
+                    a: [2], // from node_modules/eslint-config-a/index.js
+                    relative: [2] // from node_modules/eslint-config-a/relative.js
+                }
+            });
+        });
+
+        it("should load information from `extends` chain in .eslintrc with relative path.", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "extends-chain-2": {
+                        "node_modules/eslint-config-a/index.js": "module.exports = { extends: './relative.js', rules: { a: 2 } };",
+                        "node_modules/eslint-config-a/relative.js": "module.exports = { rules: { relative: 2 } };",
+                        "relative.eslintrc.json": "{ \"extends\": \"./node_modules/eslint-config-a/index.js\" }"
+                    }
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "extends-chain-2/relative.eslintrc.json");
+
+            assertConfig(config, {
+                rules: {
+                    a: [2], // from node_modules/eslint-config-a/index.js
+                    relative: [2] // from node_modules/eslint-config-a/relative.js
+                }
+            });
+        });
+
+        it("should load information from `parser` in .eslintrc with relative path.", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "extends-chain-2": {
+                        "parser.eslintrc.json": "{ \"parser\": \"./parser.js\" }",
+                        "parser.js": ""
+                    }
+                }
+            });
+            const factory = new ConfigArrayFactory();
+            const config = load(factory, "extends-chain-2/parser.eslintrc.json");
+
+            assertConfig(config, {
+                parser: path.resolve("extends-chain-2/parser.js")
+            });
+        });
+
+        describe("Plugins", () => {
+            it("should load information from a YML file and load plugins", () => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "node_modules/eslint-plugin-test/index.js": `
+                            module.exports = {
+                                environments: {
+                                    bar: { globals: { bar: true } }
+                                }
+                            }
+                        `,
+                        "plugins/.eslintrc.yml": `
+                            plugins:
+                                - test
+                            rules:
+                                test/foo: 2
+                            env:
+                                test/bar: true
+                        `
+                    }
+                });
+                const factory = new ConfigArrayFactory();
+                const config = load(factory, "plugins/.eslintrc.yml");
+
+                assertConfig(config, {
+                    env: { "test/bar": true },
+                    plugins: ["test"],
+                    rules: {
+                        "test/foo": [2]
+                    }
+                });
+            });
+
+            it("should load two separate configs from a plugin", () => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "node_modules/eslint-plugin-test/index.js": `
+                            module.exports = {
+                                configs: {
+                                    foo: { rules: { semi: 2, quotes: 1 } },
+                                    bar: { rules: { quotes: 2, yoda: 2 } }
+                                }
+                            }
+                        `,
+                        "plugins/.eslintrc.yml": `
+                            extends:
+                                - plugin:test/foo
+                                - plugin:test/bar
+                        `
+                    }
+                });
+                const factory = new ConfigArrayFactory();
+                const config = load(factory, "plugins/.eslintrc.yml");
+
+                assertConfig(config, {
+                    rules: {
+                        semi: [2],
+                        quotes: [2],
+                        yoda: [2]
+                    }
+                });
+            });
+        });
+
+        describe("even if config files have Unicode BOM,", () => {
+            it("should read the JSON config file correctly.", () => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "bom/.eslintrc.json": "\uFEFF{ \"rules\": { \"semi\": \"error\" } }"
+                    }
+                });
+                const factory = new ConfigArrayFactory();
+                const config = load(factory, "bom/.eslintrc.json");
+
+                assertConfig(config, {
+                    rules: {
+                        semi: ["error"]
+                    }
+                });
+            });
+
+            it("should read the YAML config file correctly.", () => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "bom/.eslintrc.yaml": "\uFEFFrules:\n  semi: error"
+                    }
+                });
+                const factory = new ConfigArrayFactory();
+                const config = load(factory, "bom/.eslintrc.yaml");
+
+                assertConfig(config, {
+                    rules: {
+                        semi: ["error"]
+                    }
+                });
+            });
+
+            it("should read the config in package.json correctly.", () => {
+                const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                    files: {
+                        "bom/package.json": "\uFEFF{ \"eslintConfig\": { \"rules\": { \"semi\": \"error\" } } }"
+                    }
+                });
+                const factory = new ConfigArrayFactory();
+                const config = load(factory, "bom/package.json");
+
+                assertConfig(config, {
+                    rules: {
+                        semi: ["error"]
+                    }
+                });
+            });
+        });
+
+        it("throws an error including the config file name if the config file is invalid", () => {
+            const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                files: {
+                    "invalid/invalid-top-level-property.yml": "invalidProperty: 3"
+                }
+            });
+            const factory = new ConfigArrayFactory();
+
+            try {
+                load(factory, "invalid/invalid-top-level-property.yml");
+            } catch (err) {
+                assert.include(err.message, `ESLint configuration in ${`invalid${path.sep}invalid-top-level-property.yml`} is invalid`);
+                return;
+            }
+            assert.fail();
+        });
+    });
+
+    // This group moved from 'tests/lib/config/config-file.js' when refactoring to keep the cumulated test cases.
+    describe("'extends' property should resolve the location of configs properly.", () => {
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir,
+            files: {
+                "node_modules/eslint-config-foo/index.js": "",
+                "node_modules/eslint-config-foo/bar.js": "",
+                "node_modules/eslint-config-eslint-configfoo/index.js": "",
+                "node_modules/@foo/eslint-config/index.js": "",
+                "node_modules/@foo/eslint-config-bar/index.js": "",
+                "node_modules/eslint-plugin-foo/index.js": "exports.configs = { bar: {} }",
+                "node_modules/@foo/eslint-plugin/index.js": "exports.configs = { bar: {} }",
+                "node_modules/@foo/eslint-plugin-bar/index.js": "exports.configs = { baz: {} }",
+                "foo/bar/.eslintrc": "",
+                ".eslintrc": ""
+            }
+        });
+        const factory = new ConfigArrayFactory();
+
+        /**
+         * Resolve `extends` module.
+         * @param {string} request The module name to resolve.
+         * @param {string} [relativeTo] The importer path to resolve.
+         * @returns {string} The resolved path.
+         */
+        function resolve(request, relativeTo) {
+            return factory.create(
+                { extends: request },
+                { filePath: relativeTo }
+            )[0];
+        }
+
+        describe("Relative to CWD", () => {
+            for (const { input, expected } of [
+                { input: ".eslintrc", expected: path.resolve(tempDir, ".eslintrc") },
+                { input: "eslint-config-foo", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/index.js") },
+                { input: "eslint-config-foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/bar.js") },
+                { input: "foo", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/index.js") },
+                { input: "foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/bar.js") },
+                { input: "eslint-configfoo", expected: path.resolve(tempDir, "node_modules/eslint-config-eslint-configfoo/index.js") },
+                { input: "@foo/eslint-config", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config/index.js") },
+                { input: "@foo", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config/index.js") },
+                { input: "@foo/bar", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config-bar/index.js") },
+                { input: "plugin:foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-plugin-foo/index.js") },
+                { input: "plugin:@foo/bar", expected: path.resolve(tempDir, "node_modules/@foo/eslint-plugin/index.js") },
+                { input: "plugin:@foo/bar/baz", expected: path.resolve(tempDir, "node_modules/@foo/eslint-plugin-bar/index.js") }
+            ]) {
+                it(`should return ${expected} when passed ${input}`, () => {
+                    const result = resolve(input);
+
+                    assert.strictEqual(result.filePath, expected);
+                });
+            }
+        });
+
+        describe("Relative to config file", () => {
+            const relativePath = path.resolve(tempDir, "./foo/bar/.eslintrc");
+
+            for (const { input, expected } of [
+                { input: ".eslintrc", expected: path.join(path.dirname(relativePath), ".eslintrc") },
+                { input: "eslint-config-foo", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/index.js") },
+                { input: "eslint-config-foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/bar.js") },
+                { input: "foo", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/index.js") },
+                { input: "foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-config-foo/bar.js") },
+                { input: "eslint-configfoo", expected: path.resolve(tempDir, "node_modules/eslint-config-eslint-configfoo/index.js") },
+                { input: "@foo/eslint-config", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config/index.js") },
+                { input: "@foo", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config/index.js") },
+                { input: "@foo/bar", expected: path.resolve(tempDir, "node_modules/@foo/eslint-config-bar/index.js") },
+                { input: "plugin:foo/bar", expected: path.resolve(tempDir, "node_modules/eslint-plugin-foo/index.js") },
+                { input: "plugin:@foo/bar", expected: path.resolve(tempDir, "node_modules/@foo/eslint-plugin/index.js") },
+                { input: "plugin:@foo/bar/baz", expected: path.resolve(tempDir, "node_modules/@foo/eslint-plugin-bar/index.js") }
+            ]) {
+                it(`should return ${expected} when passed ${input}`, () => {
+                    const result = resolve(input, relativePath);
+
+                    assert.strictEqual(result.filePath, expected);
+                });
+            }
+        });
+    });
+
+    // This group moved from 'tests/lib/config/plugins.js' when refactoring to keep the cumulated test cases.
+    describe("'plugins' property should load a correct plugin.", () => {
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir,
+            files: {
+                "node_modules/@scope/eslint-plugin-example/index.js": "exports.configs = { name: '@scope/eslint-plugin-example' };",
+                "node_modules/eslint-plugin-example/index.js": "exports.configs = { name: 'eslint-plugin-example' };",
+                "node_modules/eslint-plugin-throws-on-load/index.js": "throw new Error('error thrown while loading this module')"
+            }
+        });
+        const factory = new ConfigArrayFactory();
+
+        /**
+         * Load a plugin.
+         * @param {string} request A request to load a plugin.
+         * @param {ConfigArrayFactory} [configArrayFactory] The factory to use
+         * @returns {Map<string,Object>} The loaded plugins.
+         */
+        function load(request, configArrayFactory = factory) {
+            const config = configArrayFactory.create({ plugins: [request] });
+
+            return new Map(
+                Object
+                    .entries(config[0].plugins)
+                    .map(([id, entry]) => {
+                        if (entry.error) {
+                            throw entry.error;
+                        }
+                        return [id, entry.definition];
+                    })
+            );
+        }
+
+        it("should load a plugin when referenced by short name", () => {
+            const loadedPlugins = load("example");
+
+            assertPluginDefinition(
+                loadedPlugins.get("example"),
+                { configs: { name: "eslint-plugin-example" } }
+            );
+        });
+
+        it("should load a plugin when referenced by short name, even when using a custom loadPluginsRelativeTo value", () => {
+            const { ConfigArrayFactory: FactoryWithPluginsInSubdir } = defineConfigArrayFactoryWithInMemoryFileSystem({
+                cwd: () => tempDir,
+                files: {
+                    "subdir/node_modules/eslint-plugin-example/index.js": "exports.configs = { name: 'eslint-plugin-example' };"
+                }
+            });
+
+            const factoryWithCustomPluginPath = new FactoryWithPluginsInSubdir({ resolvePluginsRelativeTo: "subdir" });
+
+            const loadedPlugins = load("example", factoryWithCustomPluginPath);
+
+            assertPluginDefinition(
+                loadedPlugins.get("example"),
+                { configs: { name: "eslint-plugin-example" } }
+            );
+        });
+
+        it("should load a plugin when referenced by long name", () => {
+            const loadedPlugins = load("eslint-plugin-example");
+
+            assertPluginDefinition(
+                loadedPlugins.get("example"),
+                { configs: { name: "eslint-plugin-example" } }
+            );
+        });
+
+        it("should throw an error when a plugin has whitespace", () => {
+            assert.throws(() => {
+                load("whitespace ");
+            }, /Whitespace found in plugin name 'whitespace '/u);
+            assert.throws(() => {
+                load("whitespace\t");
+            }, /Whitespace found in plugin name/u);
+            assert.throws(() => {
+                load("whitespace\n");
+            }, /Whitespace found in plugin name/u);
+            assert.throws(() => {
+                load("whitespace\r");
+            }, /Whitespace found in plugin name/u);
+        });
+
+        it("should throw an error when a plugin doesn't exist", () => {
+            assert.throws(() => {
+                load("nonexistentplugin");
+            }, /Failed to load plugin/u);
+        });
+
+        it("should rethrow an error that a plugin throws on load", () => {
+            assert.throws(() => {
+                load("throws-on-load");
+            }, /error thrown while loading this module/u);
+        });
+
+        it("should load a scoped plugin when referenced by short name", () => {
+            const loadedPlugins = load("@scope/example");
+
+            assertPluginDefinition(
+                loadedPlugins.get("@scope/example"),
+                { configs: { name: "@scope/eslint-plugin-example" } }
+            );
+        });
+
+        it("should load a scoped plugin when referenced by long name", () => {
+            const loadedPlugins = load("@scope/eslint-plugin-example");
+
+            assertPluginDefinition(
+                loadedPlugins.get("@scope/example"),
+                { configs: { name: "@scope/eslint-plugin-example" } }
+            );
+        });
+
+        describe("when referencing a scope plugin and omitting @scope/", () => {
+            it("should load a scoped plugin when referenced by short name, but should not get the plugin if '@scope/' is omitted", () => {
+                const loadedPlugins = load("@scope/example");
+
+                assert.strictEqual(loadedPlugins.get("example"), void 0);
+            });
+
+            it("should load a scoped plugin when referenced by long name, but should not get the plugin if '@scope/' is omitted", () => {
+                const loadedPlugins = load("@scope/eslint-plugin-example");
+
+                assert.strictEqual(loadedPlugins.get("example"), void 0);
+            });
+        });
+    });
+
+    // This group moved from 'tests/lib/config/plugins.js' when refactoring to keep the cumulated test cases.
+    describe("'plugins' property should load some correct plugins.", () => {
+        const { ConfigArrayFactory } = defineConfigArrayFactoryWithInMemoryFileSystem({
+            cwd: () => tempDir,
+            files: {
+                "node_modules/eslint-plugin-example1/index.js": "exports.configs = { name: 'eslint-plugin-example1' };",
+                "node_modules/eslint-plugin-example2/index.js": "exports.configs = { name: 'eslint-plugin-example2' };"
+            }
+        });
+        const factory = new ConfigArrayFactory();
+
+        /**
+         * Load a plugin.
+         * @param {string[]} request A request to load a plugin.
+         * @returns {Map<string,Object>} The loaded plugins.
+         */
+        function loadAll(request) {
+            const config = factory.create({ plugins: request });
+
+            return new Map(
+                Object
+                    .entries(config[0].plugins)
+                    .map(([id, entry]) => {
+                        if (entry.error) {
+                            throw entry.error;
+                        }
+                        return [id, entry.definition];
+                    })
+            );
+        }
+
+        it("should load plugins when passed multiple plugins", () => {
+            const loadedPlugins = loadAll(["example1", "example2"]);
+
+            assertPluginDefinition(
+                loadedPlugins.get("example1"),
+                { configs: { name: "eslint-plugin-example1" } }
+            );
+            assertPluginDefinition(
+                loadedPlugins.get("example2"),
+                { configs: { name: "eslint-plugin-example2" } }
+            );
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array/config-array.js b/eslint/tests/lib/cli-engine/config-array/config-array.js
new file mode 100644
index 0000000..fafb688
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array/config-array.js
@@ -0,0 +1,739 @@
+/**
+ * @fileoverview Tests for ConfigArray class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const path = require("path");
+const { assert } = require("chai");
+const { ConfigArray, OverrideTester, getUsedExtractedConfigs } = require("../../../../lib/cli-engine/config-array");
+
+describe("ConfigArray", () => {
+    it("should be a sub class of Array.", () => {
+        assert(new ConfigArray() instanceof Array);
+    });
+
+    describe("'constructor(...elements)' should adopt the elements as array elements.", () => {
+        const patterns = [
+            { elements: [] },
+            { elements: [{ value: 1 }] },
+            { elements: [{ value: 2 }, { value: 3 }] },
+            { elements: [{ value: 4 }, { value: 5 }, { value: 6 }] }
+        ];
+
+        for (const { elements } of patterns) {
+            describe(`if it gave ${JSON.stringify(elements)} then`, () => {
+                let configArray;
+
+                beforeEach(() => {
+                    configArray = new ConfigArray(...elements);
+                });
+
+                it(`should have ${elements.length} as the length.`, () => {
+                    assert.strictEqual(configArray.length, elements.length);
+                });
+
+                for (let i = 0; i < elements.length; ++i) {
+                    it(`should have ${JSON.stringify(elements[i])} at configArray[${i}].`, () => { // eslint-disable-line no-loop-func
+                        assert.strictEqual(configArray[i], elements[i]);
+                    });
+                }
+            });
+        }
+    });
+
+    describe("'isRoot()' method should be the value of the last element which has 'root' property.", () => {
+        const patterns = [
+            { elements: [], expected: false },
+            { elements: [{}], expected: false },
+            { elements: [{}, {}], expected: false },
+            { elements: [{ root: false }], expected: false },
+            { elements: [{ root: true }], expected: true },
+            { elements: [{ root: true }, { root: false }], expected: false },
+            { elements: [{ root: false }, { root: true }], expected: true },
+            { elements: [{ root: false }, { root: true }, { rules: {} }], expected: true }, // ignore undefined.
+            { elements: [{ root: true }, { root: 1 }], expected: true } // ignore non-boolean value
+        ];
+
+        for (const { elements, expected } of patterns) {
+            it(`should be ${expected} if the elements are ${JSON.stringify(elements)}.`, () => {
+                assert.strictEqual(new ConfigArray(...elements).isRoot(), expected);
+            });
+        }
+    });
+
+    describe("'pluginEnvironments' property should be the environments of all plugins.", () => {
+        const env = {
+            "aaa/xxx": {},
+            "bbb/xxx": {}
+        };
+        let configArray;
+
+        beforeEach(() => {
+            configArray = new ConfigArray(
+                {
+                    plugins: {
+                        aaa: {
+                            definition: {
+                                environments: {
+                                    xxx: env["aaa/xxx"]
+                                }
+                            }
+                        }
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    plugins: {
+                        bbb: {
+                            definition: {
+                                environments: {
+                                    xxx: env["bbb/xxx"]
+                                }
+                            }
+                        }
+                    }
+                }
+            );
+        });
+
+        it("should return null for built-in env", () => {
+            assert.strictEqual(configArray.pluginEnvironments.get("node"), void 0);
+        });
+
+        it("should return 'aaa/xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginEnvironments.get("aaa/xxx"), env["aaa/xxx"]);
+        });
+
+        it("should return 'bbb/xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginEnvironments.get("bbb/xxx"), env["bbb/xxx"]);
+        });
+
+        it("should throw an error if it tried to mutate.", () => {
+            assert.throws(() => {
+                configArray.pluginEnvironments.set("ccc/xxx", {});
+            });
+        });
+    });
+
+    describe("'pluginProcessors' property should be the processors of all plugins.", () => {
+        const processors = {
+            "aaa/.xxx": {},
+            "bbb/.xxx": {}
+        };
+        let configArray;
+
+        beforeEach(() => {
+            configArray = new ConfigArray(
+                {
+                    plugins: {
+                        aaa: {
+                            definition: {
+                                processors: {
+                                    ".xxx": processors["aaa/.xxx"]
+                                }
+                            }
+                        }
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    plugins: {
+                        bbb: {
+                            definition: {
+                                processors: {
+                                    ".xxx": processors["bbb/.xxx"]
+                                }
+                            }
+                        }
+                    }
+                }
+            );
+        });
+
+        it("should return 'aaa/.xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginProcessors.get("aaa/.xxx"), processors["aaa/.xxx"]);
+        });
+
+        it("should return 'bbb/.xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginProcessors.get("bbb/.xxx"), processors["bbb/.xxx"]);
+        });
+
+        it("should throw an error if it tried to mutate.", () => {
+            assert.throws(() => {
+                configArray.pluginProcessors.set("ccc/.xxx", {});
+            });
+        });
+    });
+
+    describe("'pluginRules' property should be the rules of all plugins.", () => {
+        const rules = {
+            "aaa/xxx": {},
+            "bbb/xxx": {}
+        };
+        let configArray;
+
+        beforeEach(() => {
+            configArray = new ConfigArray(
+                {
+                    plugins: {
+                        aaa: {
+                            definition: {
+                                rules: {
+                                    xxx: rules["aaa/xxx"]
+                                }
+                            }
+                        }
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    plugins: {
+                        bbb: {
+                            definition: {
+                                rules: {
+                                    xxx: rules["bbb/xxx"]
+                                }
+                            }
+                        }
+                    }
+                }
+            );
+        });
+
+        it("should return null for built-in rules", () => {
+            assert.strictEqual(configArray.pluginRules.get("eqeqeq"), void 0);
+        });
+
+        it("should return 'aaa/xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginRules.get("aaa/xxx"), rules["aaa/xxx"]);
+        });
+
+        it("should return 'bbb/xxx' if it exists.", () => {
+            assert.strictEqual(configArray.pluginRules.get("bbb/xxx"), rules["bbb/xxx"]);
+        });
+
+        it("should throw an error if it tried to mutate.", () => {
+            assert.throws(() => {
+                configArray.pluginRules.set("ccc/xxx", {});
+            });
+        });
+    });
+
+    describe("'extractConfig(filePath)' method should retrieve the merged config for a given file.", () => {
+        it("should throw an error if a 'parser' has the loading error.", () => {
+            assert.throws(() => {
+                new ConfigArray(
+                    {
+                        parser: { error: new Error("Failed to load a parser.") }
+                    }
+                ).extractConfig(__filename);
+            }, "Failed to load a parser.");
+        });
+
+        it("should not throw if the errored 'parser' was not used; overwriten", () => {
+            const parser = { id: "a parser" };
+            const config = new ConfigArray(
+                {
+                    parser: { error: new Error("Failed to load a parser.") }
+                },
+                {
+                    parser
+                }
+            ).extractConfig(__filename);
+
+            assert.strictEqual(config.parser, parser);
+        });
+
+        it("should not throw if the errored 'parser' was not used; not matched", () => {
+            const config = new ConfigArray(
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    parser: { error: new Error("Failed to load a parser.") }
+                }
+            ).extractConfig(__filename);
+
+            assert.strictEqual(config.parser, null);
+        });
+
+        it("should throw an error if a 'plugins' value has the loading error.", () => {
+            assert.throws(() => {
+                new ConfigArray(
+                    {
+                        plugins: {
+                            foo: { error: new Error("Failed to load a plugin.") }
+                        }
+                    }
+                ).extractConfig(__filename);
+            }, "Failed to load a plugin.");
+        });
+
+        it("should not throw if the errored 'plugins' value was not used; not matched", () => {
+            const config = new ConfigArray(
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    plugins: {
+                        foo: { error: new Error("Failed to load a plugin.") }
+                    }
+                }
+            ).extractConfig(__filename);
+
+            assert.deepStrictEqual(config.plugins, {});
+        });
+
+        it("should not merge the elements which were not matched.", () => {
+            const config = new ConfigArray(
+                {
+                    rules: {
+                        "no-redeclare": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [], process.cwd()),
+                    rules: {
+                        "no-undef": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [path.basename(__filename)], process.cwd()),
+                    rules: {
+                        "no-use-before-define": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    rules: {
+                        "no-unused-vars": "error"
+                    }
+                }
+            ).extractConfig(__filename);
+
+            assert.deepStrictEqual(config.rules, {
+                "no-redeclare": ["error"],
+                "no-undef": ["error"]
+            });
+        });
+
+        it("should return the same instance for every the same matching.", () => {
+            const configArray = new ConfigArray(
+                {
+                    rules: {
+                        "no-redeclare": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [], process.cwd()),
+                    rules: {
+                        "no-undef": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [path.basename(__filename)], process.cwd()),
+                    rules: {
+                        "no-use-before-define": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    rules: {
+                        "no-unused-vars": "error"
+                    }
+                }
+            );
+
+            assert.strictEqual(
+                configArray.extractConfig(path.join(__dirname, "a.js")),
+                configArray.extractConfig(path.join(__dirname, "b.js"))
+            );
+        });
+
+        /**
+         * Merge two config data.
+         *
+         * The test cases which depend on this function were moved from
+         * 'tests/lib/config/config-ops.js' when refactoring to keep the
+         * cumulated test cases.
+         *
+         * Previously, the merging logic of multiple config data had been
+         * implemented in `ConfigOps.merge()` function. But currently, it's
+         * implemented in `ConfigArray#extractConfig()` method.
+         * @param {Object} target A config data.
+         * @param {Object} source Another config data.
+         * @returns {Object} The merged config data.
+         */
+        function merge(target, source) {
+            return new ConfigArray(target, source).extractConfig(__filename);
+        }
+
+        it("should combine two objects when passed two objects with different top-level properties", () => {
+            const config = [
+                { env: { browser: true } },
+                { globals: { foo: "bar" } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.strictEqual(result.globals.foo, "bar");
+            assert.isTrue(result.env.browser);
+        });
+
+        it("should combine without blowing up on null values", () => {
+            const config = [
+                { env: { browser: true } },
+                { env: { node: null } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.strictEqual(result.env.node, null);
+            assert.isTrue(result.env.browser);
+        });
+
+        it("should combine two objects with parser when passed two objects with different top-level properties", () => {
+            const config = [
+                { env: { browser: true }, parser: "espree" },
+                { globals: { foo: "bar" } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.strictEqual(result.parser, "espree");
+        });
+
+        it("should combine configs and override rules when passed configs with the same rules", () => {
+            const config = [
+                { rules: { "no-mixed-requires": [0, false] } },
+                { rules: { "no-mixed-requires": [1, true] } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.isArray(result.rules["no-mixed-requires"]);
+            assert.strictEqual(result.rules["no-mixed-requires"][0], 1);
+            assert.strictEqual(result.rules["no-mixed-requires"][1], true);
+        });
+
+        it("should combine configs when passed configs with parserOptions", () => {
+            const config = [
+                { parserOptions: { ecmaFeatures: { jsx: true } } },
+                { parserOptions: { ecmaFeatures: { globalReturn: true } } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.deepStrictEqual(result, {
+                configNameOfNoInlineConfig: "",
+                env: {},
+                globals: {},
+                ignores: void 0,
+                noInlineConfig: void 0,
+                parser: null,
+                parserOptions: {
+                    ecmaFeatures: {
+                        jsx: true,
+                        globalReturn: true
+                    }
+                },
+                plugins: {},
+                processor: null,
+                reportUnusedDisableDirectives: void 0,
+                rules: {},
+                settings: {}
+            });
+
+            // double-check that originals were not changed
+            assert.deepStrictEqual(config[0], { parserOptions: { ecmaFeatures: { jsx: true } } });
+            assert.deepStrictEqual(config[1], { parserOptions: { ecmaFeatures: { globalReturn: true } } });
+        });
+
+        it("should override configs when passed configs with the same ecmaFeatures", () => {
+            const config = [
+                { parserOptions: { ecmaFeatures: { globalReturn: false } } },
+                { parserOptions: { ecmaFeatures: { globalReturn: true } } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.deepStrictEqual(result, {
+                configNameOfNoInlineConfig: "",
+                env: {},
+                globals: {},
+                ignores: void 0,
+                noInlineConfig: void 0,
+                parser: null,
+                parserOptions: {
+                    ecmaFeatures: {
+                        globalReturn: true
+                    }
+                },
+                plugins: {},
+                processor: null,
+                reportUnusedDisableDirectives: void 0,
+                rules: {},
+                settings: {}
+            });
+        });
+
+        it("should combine configs and override rules when merging two configs with arrays and int", () => {
+
+            const config = [
+                { rules: { "no-mixed-requires": [0, false] } },
+                { rules: { "no-mixed-requires": 1 } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.isArray(result.rules["no-mixed-requires"]);
+            assert.strictEqual(result.rules["no-mixed-requires"][0], 1);
+            assert.strictEqual(result.rules["no-mixed-requires"][1], false);
+            assert.deepStrictEqual(config[0], { rules: { "no-mixed-requires": [0, false] } });
+            assert.deepStrictEqual(config[1], { rules: { "no-mixed-requires": 1 } });
+        });
+
+        it("should combine configs and override rules options completely", () => {
+
+            const config = [
+                { rules: { "no-mixed-requires1": [1, { event: ["evt", "e"] }] } },
+                { rules: { "no-mixed-requires1": [1, { err: ["error", "e"] }] } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.isArray(result.rules["no-mixed-requires1"]);
+            assert.deepStrictEqual(result.rules["no-mixed-requires1"][1], { err: ["error", "e"] });
+            assert.deepStrictEqual(config[0], { rules: { "no-mixed-requires1": [1, { event: ["evt", "e"] }] } });
+            assert.deepStrictEqual(config[1], { rules: { "no-mixed-requires1": [1, { err: ["error", "e"] }] } });
+        });
+
+        it("should combine configs and override rules options without array or object", () => {
+
+            const config = [
+                { rules: { "no-mixed-requires1": ["warn", "nconf", "underscore"] } },
+                { rules: { "no-mixed-requires1": [2, "requirejs"] } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.strictEqual(result.rules["no-mixed-requires1"][0], 2);
+            assert.strictEqual(result.rules["no-mixed-requires1"][1], "requirejs");
+            assert.isUndefined(result.rules["no-mixed-requires1"][2]);
+            assert.deepStrictEqual(config[0], { rules: { "no-mixed-requires1": ["warn", "nconf", "underscore"] } });
+            assert.deepStrictEqual(config[1], { rules: { "no-mixed-requires1": [2, "requirejs"] } });
+        });
+
+        it("should combine configs and override rules options without array or object but special case", () => {
+
+            const config = [
+                { rules: { "no-mixed-requires1": [1, "nconf", "underscore"] } },
+                { rules: { "no-mixed-requires1": "error" } }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.strictEqual(result.rules["no-mixed-requires1"][0], "error");
+            assert.strictEqual(result.rules["no-mixed-requires1"][1], "nconf");
+            assert.strictEqual(result.rules["no-mixed-requires1"][2], "underscore");
+            assert.deepStrictEqual(config[0], { rules: { "no-mixed-requires1": [1, "nconf", "underscore"] } });
+            assert.deepStrictEqual(config[1], { rules: { "no-mixed-requires1": "error" } });
+        });
+
+        it("should combine configs correctly", () => {
+
+            const config = [
+                {
+                    rules: {
+                        "no-mixed-requires1": [1, { event: ["evt", "e"] }],
+                        "valid-jsdoc": 1,
+                        semi: 1,
+                        quotes1: [2, { exception: ["hi"] }],
+                        smile: [1, ["hi", "bye"]]
+                    },
+                    parserOptions: {
+                        ecmaFeatures: { jsx: true }
+                    },
+                    env: { browser: true },
+                    globals: { foo: false }
+                },
+                {
+                    rules: {
+                        "no-mixed-requires1": [1, { err: ["error", "e"] }],
+                        "valid-jsdoc": 2,
+                        test: 1,
+                        smile: [1, ["xxx", "yyy"]]
+                    },
+                    parserOptions: {
+                        ecmaFeatures: { globalReturn: true }
+                    },
+                    env: { browser: false },
+                    globals: { foo: true }
+                }
+            ];
+
+            const result = merge(config[0], config[1]);
+
+            assert.deepStrictEqual(result, {
+                configNameOfNoInlineConfig: "",
+                parser: null,
+                parserOptions: {
+                    ecmaFeatures: {
+                        jsx: true,
+                        globalReturn: true
+                    }
+                },
+                plugins: {},
+                env: {
+                    browser: false
+                },
+                globals: {
+                    foo: true
+                },
+                rules: {
+                    "no-mixed-requires1": [1,
+                        {
+                            err: [
+                                "error",
+                                "e"
+                            ]
+                        }
+                    ],
+                    quotes1: [2,
+                        {
+                            exception: [
+                                "hi"
+                            ]
+                        }
+                    ],
+                    semi: [1],
+                    smile: [1, ["xxx", "yyy"]],
+                    test: [1],
+                    "valid-jsdoc": [2]
+                },
+                settings: {},
+                processor: null,
+                noInlineConfig: void 0,
+                reportUnusedDisableDirectives: void 0,
+                ignores: void 0
+            });
+            assert.deepStrictEqual(config[0], {
+                rules: {
+                    "no-mixed-requires1": [1, { event: ["evt", "e"] }],
+                    "valid-jsdoc": 1,
+                    semi: 1,
+                    quotes1: [2, { exception: ["hi"] }],
+                    smile: [1, ["hi", "bye"]]
+                },
+                parserOptions: {
+                    ecmaFeatures: { jsx: true }
+                },
+                env: { browser: true },
+                globals: { foo: false }
+            });
+            assert.deepStrictEqual(config[1], {
+                rules: {
+                    "no-mixed-requires1": [1, { err: ["error", "e"] }],
+                    "valid-jsdoc": 2,
+                    test: 1,
+                    smile: [1, ["xxx", "yyy"]]
+                },
+                parserOptions: {
+                    ecmaFeatures: { globalReturn: true }
+                },
+                env: { browser: false },
+                globals: { foo: true }
+            });
+        });
+
+        it("should copy deeply if there is not the destination's property", () => {
+            const a = {};
+            const b = { settings: { bar: 1 } };
+
+            const result = merge(a, b);
+
+            assert(a.settings === void 0);
+            assert(b.settings.bar === 1);
+            assert(result.settings.bar === 1);
+
+            result.settings.bar = 2;
+            assert(b.settings.bar === 1);
+            assert(result.settings.bar === 2);
+        });
+    });
+
+    describe("'getUsedExtractedConfigs(instance)' function should retrieve used extracted configs from the instance's internal cache.", () => {
+        let configArray;
+
+        beforeEach(() => {
+            configArray = new ConfigArray(
+                {
+                    rules: {
+                        "no-redeclare": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [], process.cwd()),
+                    rules: {
+                        "no-undef": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.js"], [path.basename(__filename)], process.cwd()),
+                    rules: {
+                        "no-use-before-define": "error"
+                    }
+                },
+                {
+                    criteria: OverrideTester.create(["*.ts"], [], process.cwd()),
+                    rules: {
+                        "no-unused-vars": "error"
+                    }
+                }
+            );
+        });
+
+        it("should return empty array before it called 'extractConfig(filePath)'.", () => {
+            assert.deepStrictEqual(getUsedExtractedConfigs(configArray), []);
+        });
+
+        for (const { filePaths } of [
+            { filePaths: [__filename] },
+            { filePaths: [__filename, `${__filename}.ts`] },
+            { filePaths: [__filename, `${__filename}.ts`, path.join(__dirname, "foo.js")] }
+        ]) {
+            describe(`after it called 'extractConfig(filePath)' ${filePaths.length} time(s) with ${JSON.stringify(filePaths, null, 4)}, the returned array`, () => { // eslint-disable-line no-loop-func
+                let configs;
+                let usedConfigs;
+
+                beforeEach(() => {
+                    configs = filePaths.map(filePath => configArray.extractConfig(filePath));
+                    usedConfigs = getUsedExtractedConfigs(configArray);
+                });
+
+                it(`should have ${filePaths.length} as the length.`, () => {
+                    assert.strictEqual(usedConfigs.length, configs.length);
+                });
+
+                for (let i = 0; i < filePaths.length; ++i) {
+                    it(`should contain 'configs[${i}]'.`, () => { // eslint-disable-line no-loop-func
+                        assert(usedConfigs.includes(configs[i]));
+                    });
+                }
+            });
+        }
+
+        it("should not contain duplicate values.", () => {
+
+            // Call some times, including with the same arguments.
+            configArray.extractConfig(__filename);
+            configArray.extractConfig(`${__filename}.ts`);
+            configArray.extractConfig(path.join(__dirname, "foo.js"));
+            configArray.extractConfig(__filename);
+            configArray.extractConfig(path.join(__dirname, "foo.js"));
+            configArray.extractConfig(path.join(__dirname, "bar.js"));
+            configArray.extractConfig(path.join(__dirname, "baz.js"));
+
+            const usedConfigs = getUsedExtractedConfigs(configArray);
+
+            assert.strictEqual(new Set(usedConfigs).size, usedConfigs.length);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array/config-dependency.js b/eslint/tests/lib/cli-engine/config-array/config-dependency.js
new file mode 100644
index 0000000..fc008fa
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array/config-dependency.js
@@ -0,0 +1,120 @@
+/**
+ * @fileoverview Tests for ConfigDependency class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const assert = require("assert");
+const { Console } = require("console");
+const { Writable } = require("stream");
+const { ConfigDependency } = require("../../../../lib/cli-engine/config-array/config-dependency");
+
+describe("ConfigDependency", () => {
+    describe("'constructor(data)' should initialize properties.", () => {
+
+        /** @type {ConfigDependency} */
+        let dep;
+
+        beforeEach(() => {
+            dep = new ConfigDependency({
+                definition: { name: "definition?" },
+                error: new Error("error?"),
+                filePath: "filePath?",
+                id: "id?",
+                importerName: "importerName?",
+                importerPath: "importerPath?"
+            });
+        });
+
+        it("should set 'data.definition' to 'definition' property.", () => {
+            assert.deepStrictEqual(dep.definition, { name: "definition?" });
+        });
+
+        it("should set 'data.error' to 'error' property.", () => {
+            assert.deepStrictEqual(dep.error.message, "error?");
+        });
+
+        it("should set 'data.filePath' to 'filePath' property.", () => {
+            assert.deepStrictEqual(dep.filePath, "filePath?");
+        });
+
+        it("should set 'data.id' to 'id' property.", () => {
+            assert.deepStrictEqual(dep.id, "id?");
+        });
+
+        it("should set 'data.importerName' to 'importerName' property.", () => {
+            assert.deepStrictEqual(dep.importerName, "importerName?");
+        });
+
+        it("should set 'data.importerPath' to 'importerPath' property.", () => {
+            assert.deepStrictEqual(dep.importerPath, "importerPath?");
+        });
+    });
+
+    describe("'JSON.stringify(...)' should return readable JSON; not include 'definition' property", () => {
+        it("should not print 'definition' property.", () => {
+            const dep = new ConfigDependency({
+                definition: { name: "definition?" },
+                error: new Error("error?"),
+                filePath: "filePath?",
+                id: "id?",
+                importerName: "importerName?",
+                importerPath: "importerPath?"
+            });
+
+            assert.deepStrictEqual(
+                JSON.parse(JSON.stringify(dep)),
+                {
+                    error: { message: "error?" },
+                    filePath: "filePath?",
+                    id: "id?",
+                    importerName: "importerName?",
+                    importerPath: "importerPath?"
+                }
+            );
+        });
+    });
+
+    describe("'console.log(...)' should print readable string; not include 'defininition' property", () => {
+
+        // Record the written strings to `output` variable.
+        let output = "";
+        const localConsole = new Console(
+            new class extends Writable {
+                write(chunk) { // eslint-disable-line class-methods-use-this
+                    output += chunk;
+                }
+            }()
+        );
+
+        it("should not print 'definition' property.", () => {
+            const error = new Error("error?"); // reuse error object to use the same stacktrace.
+            const dep = new ConfigDependency({
+                definition: { name: "definition?" },
+                error,
+                filePath: "filePath?",
+                id: "id?",
+                importerName: "importerName?",
+                importerPath: "importerPath?"
+            });
+
+            // Make actual output.
+            output = "";
+            localConsole.log(dep);
+            const actual = output;
+
+            // Make expected output; no `definition` property.
+            output = "";
+            localConsole.log({
+                error,
+                filePath: "filePath?",
+                id: "id?",
+                importerName: "importerName?",
+                importerPath: "importerPath?"
+            });
+            const expected = output;
+
+            assert.strictEqual(actual, expected);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array/extracted-config.js b/eslint/tests/lib/cli-engine/config-array/extracted-config.js
new file mode 100644
index 0000000..9d70047
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array/extracted-config.js
@@ -0,0 +1,139 @@
+/**
+ * @fileoverview Tests for ExtractedConfig class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const assert = require("assert");
+const { ExtractedConfig } = require("../../../../lib/cli-engine/config-array/extracted-config");
+
+describe("'ExtractedConfig' class", () => {
+    describe("'constructor()' should create an instance.", () => {
+
+        /** @type {ExtractedConfig} */
+        let config;
+
+        beforeEach(() => {
+            config = new ExtractedConfig();
+        });
+
+        it("should have 'env' property.", () => {
+            assert.deepStrictEqual(config.env, {});
+        });
+
+        it("should have 'globals' property.", () => {
+            assert.deepStrictEqual(config.globals, {});
+        });
+
+        it("should have 'parser' property.", () => {
+            assert.deepStrictEqual(config.parser, null);
+        });
+
+        it("should have 'parserOptions' property.", () => {
+            assert.deepStrictEqual(config.parserOptions, {});
+        });
+
+        it("should have 'plugins' property.", () => {
+            assert.deepStrictEqual(config.plugins, {});
+        });
+
+        it("should have 'processor' property.", () => {
+            assert.deepStrictEqual(config.processor, null);
+        });
+
+        it("should have 'rules' property.", () => {
+            assert.deepStrictEqual(config.rules, {});
+        });
+
+        it("should have 'settings' property.", () => {
+            assert.deepStrictEqual(config.settings, {});
+        });
+    });
+
+    describe("'toCompatibleObjectAsConfigFileContent()' method should return a valid config data.", () => {
+
+        /** @type {ExtractedConfig} */
+        let config;
+
+        beforeEach(() => {
+            config = new ExtractedConfig();
+        });
+
+        it("should use 'env' property as is.", () => {
+            config.env = { a: true };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.env, { a: true });
+        });
+
+        it("should use 'globals' as is.", () => {
+            config.globals = { a: true };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.globals, { a: true });
+        });
+
+        it("should use 'parser.filePath' for 'parser' property.", () => {
+            config.parser = {
+                definition: {},
+                error: null,
+                filePath: "/path/to/a/parser",
+                id: "parser",
+                importerName: "importer name",
+                importerPath: "importer path"
+            };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.parser, "/path/to/a/parser");
+        });
+
+        it("should use 'null' for 'parser' property if 'parser' property is 'null'.", () => {
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.parser, null);
+        });
+
+        it("should use 'parserOptions' property as is.", () => {
+            config.parserOptions = { a: true };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.parserOptions, { a: true });
+        });
+
+        it("should use the keys of 'plugins' property for 'plugins' property.", () => {
+            config.plugins = { a: {}, b: {} };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.plugins, ["b", "a"]);
+        });
+
+        it("should not use 'processor' property.", () => {
+            config.processor = "foo/.md";
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.processor, void 0);
+        });
+
+        it("should use 'rules' property as is.", () => {
+            config.rules = { a: 1, b: 2 };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.rules, { a: 1, b: 2 });
+        });
+
+        it("should use 'settings' property as is.", () => {
+            config.settings = { a: 1 };
+
+            const data = config.toCompatibleObjectAsConfigFileContent();
+
+            assert.deepStrictEqual(data.settings, { a: 1 });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array/ignore-pattern.js b/eslint/tests/lib/cli-engine/config-array/ignore-pattern.js
new file mode 100644
index 0000000..443d350
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array/ignore-pattern.js
@@ -0,0 +1,125 @@
+/**
+ * @fileoverview Tests for IgnorePattern class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const assert = require("assert");
+const path = require("path");
+const { IgnorePattern } = require("../../../../lib/cli-engine/config-array/ignore-pattern");
+
+describe("IgnorePattern", () => {
+    describe("constructor(patterns, basePath)", () => {
+        it("should bind the first argument to 'patterns' property.", () => {
+            const p = new IgnorePattern(["a.js"], process.cwd());
+
+            assert.deepStrictEqual(p.patterns, ["a.js"]);
+        });
+
+        it("should bind the second argument to 'basePath' property.", () => {
+            const p = new IgnorePattern(["a.js"], process.cwd());
+
+            assert.strictEqual(p.basePath, process.cwd());
+        });
+
+        it("should throw an error if the second argument was not an absolute path.", () => {
+            assert.throws(() => new IgnorePattern([], "a.js"), "");
+        });
+    });
+
+    describe("getPatternsRelativeTo(newBasePath)", () => {
+        it("should return 'patterns' as-is if the argument is the same as 'basePath'.", () => {
+            const basePath1 = path.join(process.cwd(), "foo/bar");
+            const p = new IgnorePattern(["a.js", "/b.js", "!c.js", "!/d.js"], basePath1);
+
+            assert.deepStrictEqual(
+                p.getPatternsRelativeTo(basePath1),
+                ["a.js", "/b.js", "!c.js", "!/d.js"]
+            );
+        });
+
+        it("should return modified 'patterns' if the argument is different from 'basePath'.", () => {
+            const basePath1 = path.join(process.cwd(), "foo/bar");
+            const basePath2 = process.cwd();
+            const p = new IgnorePattern(["a.js", "/b.js", "!c.js", "!/d.js"], basePath1);
+
+            assert.deepStrictEqual(
+                p.getPatternsRelativeTo(basePath2),
+                ["/foo/bar/**/a.js", "/foo/bar/b.js", "!/foo/bar/**/c.js", "!/foo/bar/d.js"]
+            );
+        });
+    });
+
+    describe("static createIgnore(ignorePatterns)", () => {
+        describe("with two patterns should return a function, and the function", () => {
+            const cwd = process.cwd();
+            const basePath1 = path.join(cwd, "foo/bar");
+            const basePath2 = path.join(cwd, "abc/");
+            const ignores = IgnorePattern.createIgnore([
+                new IgnorePattern(["*.js", "/*.ts", "!a.*", "!/b.*"], basePath1),
+                new IgnorePattern(["*.js", "/*.ts", "!a.*", "!/b.*"], basePath2)
+            ]);
+            const patterns = [
+                ["a.js", false],
+                ["a.ts", false],
+                ["b.js", false],
+                ["b.ts", false],
+                ["c.js", false],
+                ["c.ts", false],
+                ["dir/a.js", false],
+                ["dir/a.ts", false],
+                ["dir/b.js", false],
+                ["dir/b.ts", false],
+                ["dir/c.js", false],
+                ["dir/c.ts", false],
+                ["foo/bar/a.js", false],
+                ["foo/bar/a.ts", false],
+                ["foo/bar/b.js", false],
+                ["foo/bar/b.ts", false],
+                ["foo/bar/c.js", true],
+                ["foo/bar/c.ts", true],
+                ["foo/bar/dir/a.js", false],
+                ["foo/bar/dir/a.ts", false],
+                ["foo/bar/dir/b.js", true],
+                ["foo/bar/dir/b.ts", false],
+                ["foo/bar/dir/c.js", true],
+                ["foo/bar/dir/c.ts", false],
+                ["abc/a.js", false],
+                ["abc/a.ts", false],
+                ["abc/b.js", false],
+                ["abc/b.ts", false],
+                ["abc/c.js", true],
+                ["abc/c.ts", true],
+                ["abc/dir/a.js", false],
+                ["abc/dir/a.ts", false],
+                ["abc/dir/b.js", true],
+                ["abc/dir/b.ts", false],
+                ["abc/dir/c.js", true],
+                ["abc/dir/c.ts", false]
+            ];
+
+            for (const [filename, expected] of patterns) {
+                it(`should return ${expected} if '${filename}' was given.`, () => {
+                    assert.strictEqual(ignores(path.join(cwd, filename)), expected);
+                });
+            }
+
+            it("should return false if '.dot.js' and false was given.", () => {
+                assert.strictEqual(ignores(path.join(cwd, ".dot.js"), false), true);
+            });
+
+            it("should return true if '.dot.js' and true were given.", () => {
+                assert.strictEqual(ignores(path.join(cwd, ".dot.js"), true), false);
+            });
+
+
+            it("should return false if '.dot/foo.js' and false was given.", () => {
+                assert.strictEqual(ignores(path.join(cwd, ".dot/foo.js"), false), true);
+            });
+
+            it("should return true if '.dot/foo.js' and true were given.", () => {
+                assert.strictEqual(ignores(path.join(cwd, ".dot/foo.js"), true), false);
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/config-array/override-tester.js b/eslint/tests/lib/cli-engine/config-array/override-tester.js
new file mode 100644
index 0000000..4920c44
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/config-array/override-tester.js
@@ -0,0 +1,286 @@
+/**
+ * @fileoverview Tests for OverrideTester class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const assert = require("assert");
+const { Console } = require("console");
+const path = require("path");
+const { Writable } = require("stream");
+const { OverrideTester } = require("../../../../lib/cli-engine/config-array/override-tester");
+
+describe("OverrideTester", () => {
+    describe("'create(files, excludedFiles, basePath)' should create a tester.", () => {
+        for (const { files, excludedFiles, basePath } of [
+            { files: void 0, excludedFiles: void 0, basePath: process.cwd() },
+            { files: [], excludedFiles: [], basePath: process.cwd() }
+        ]) {
+            it(`should return null if ${JSON.stringify({ files, excludedFiles, basePath })} was given.`, () => {
+                assert.strictEqual(
+                    OverrideTester.create(files, excludedFiles, basePath),
+                    null
+                );
+            });
+        }
+
+        it("should return an 'OverrideTester' instance that has given parameters if strings were given.", () => {
+            const files = "*.js";
+            const excludedFiles = "ignore/*";
+            const basePath = process.cwd();
+            const tester = OverrideTester.create(files, excludedFiles, basePath);
+
+            assert.strictEqual(tester.patterns.length, 1);
+            assert.strictEqual(tester.patterns[0].includes.length, 1);
+            assert.strictEqual(tester.patterns[0].excludes.length, 1);
+            assert.strictEqual(tester.patterns[0].includes[0].pattern, files);
+            assert.strictEqual(tester.patterns[0].excludes[0].pattern, excludedFiles);
+            assert.strictEqual(tester.basePath, basePath);
+        });
+
+        it("should return an 'OverrideTester' instance that has given parameters if arrays were given.", () => {
+            const files = ["*.js"];
+            const excludedFiles = ["ignore/*"];
+            const basePath = process.cwd();
+            const tester = OverrideTester.create(files, excludedFiles, basePath);
+
+            assert.strictEqual(tester.patterns.length, 1);
+            assert.strictEqual(tester.patterns[0].includes.length, 1);
+            assert.strictEqual(tester.patterns[0].excludes.length, 1);
+            assert.strictEqual(tester.patterns[0].includes[0].pattern, files[0]);
+            assert.strictEqual(tester.patterns[0].excludes[0].pattern, excludedFiles[0]);
+            assert.strictEqual(tester.basePath, basePath);
+        });
+    });
+
+    describe("'and(a, b)' should return either or create another tester what includes both.", () => {
+        it("should return null if both were null.", () => {
+            assert.strictEqual(OverrideTester.and(null, null), null);
+        });
+
+        it("should return a new tester with the the first one's properties if the second one was null.", () => {
+            const tester = OverrideTester.create("*.js", null, process.cwd());
+            const result = OverrideTester.and(tester, null);
+
+            assert.notStrictEqual(result, tester);
+            assert.strictEqual(result.patterns, tester.patterns);
+            assert.strictEqual(result.basePath, tester.basePath);
+        });
+
+        it("should return a new tester with the the second one's properties if the first one was null.", () => {
+            const tester = OverrideTester.create("*.js", null, process.cwd());
+            const result = OverrideTester.and(null, tester);
+
+            assert.notStrictEqual(result, tester);
+            assert.strictEqual(result.patterns, tester.patterns);
+            assert.strictEqual(result.basePath, tester.basePath);
+        });
+
+        it("should return another one what includes both patterns if both are testers.", () => {
+            const tester1 = OverrideTester.create("*.js");
+            const tester2 = OverrideTester.create("*.ts");
+            const tester3 = OverrideTester.and(tester1, tester2);
+
+            assert.strictEqual(tester3.patterns.length, 2);
+            assert.strictEqual(tester3.patterns[0], tester1.patterns[0]);
+            assert.strictEqual(tester3.patterns[1], tester2.patterns[0]);
+        });
+    });
+
+    describe("'test(filePath)' method", () => {
+        it("should throw an error if no arguments were given.", () => {
+            assert.throws(() => {
+                OverrideTester.create(["*.js"], [], process.cwd()).test();
+            }, /'filePath' should be an absolute path, but got undefined/u);
+        });
+
+        it("should throw an error if a non-string value was given.", () => {
+            assert.throws(() => {
+                OverrideTester.create(["*.js"], [], process.cwd()).test(100);
+            }, /'filePath' should be an absolute path, but got 100/u);
+        });
+
+        it("should throw an error if a relative path was given.", () => {
+            assert.throws(() => {
+                OverrideTester.create(["*.js"], [], process.cwd()).test("foo/bar.js");
+            }, /'filePath' should be an absolute path, but got foo\/bar\.js/u);
+        });
+
+        it("should return true only when both conditions are matched if the tester was created by 'and' factory function.", () => {
+            const tester = OverrideTester.and(
+                OverrideTester.create(["*.js"], [], process.cwd()),
+                OverrideTester.create(["test/**"], [], process.cwd())
+            );
+
+            assert.strictEqual(tester.test(path.resolve("test/a.js")), true);
+            assert.strictEqual(tester.test(path.resolve("lib/a.js")), false);
+            assert.strictEqual(tester.test(path.resolve("test/a.ts")), false);
+        });
+
+        /**
+         * Test if a given file path matches to the given condition.
+         *
+         * The test cases which depend on this function were moved from
+         * 'tests/lib/config/config-ops.js' when refactoring to keep the
+         * cumulated test cases.
+         *
+         * Previously, the testing logic of `overrides` properties had been
+         * implemented in `ConfigOps.pathMatchesGlobs()` function. But
+         * currently, it's implemented in `OverrideTester` class.
+         * @param {string} filePath The file path to test patterns against
+         * @param {string|string[]} files One or more glob patterns
+         * @param {string|string[]} [excludedFiles] One or more glob patterns
+         * @returns {boolean} The result.
+         */
+        function test(filePath, files, excludedFiles) {
+            const basePath = process.cwd();
+            const tester = OverrideTester.create(files, excludedFiles, basePath);
+
+            return tester.test(path.resolve(basePath, filePath));
+        }
+
+        /**
+         * Emits a test that confirms the specified file path matches the specified combination of patterns.
+         * @param {string} filePath The file path to test patterns against
+         * @param {string|string[]} patterns One or more glob patterns
+         * @param {string|string[]} [excludedPatterns] One or more glob patterns
+         * @returns {void}
+         */
+        function match(filePath, patterns, excludedPatterns) {
+            it(`matches ${filePath} given '${patterns.join("','")}' includes and '${excludedPatterns.join("','")}' excludes`, () => {
+                const result = test(filePath, patterns, excludedPatterns);
+
+                assert.strictEqual(result, true);
+            });
+        }
+
+        /**
+         * Emits a test that confirms the specified file path does not match the specified combination of patterns.
+         * @param {string} filePath The file path to test patterns against
+         * @param {string|string[]} patterns One or more glob patterns
+         * @param {string|string[]} [excludedPatterns] One or more glob patterns
+         * @returns {void}
+         */
+        function noMatch(filePath, patterns, excludedPatterns) {
+            it(`does not match ${filePath} given '${patterns.join("','")}' includes and '${excludedPatterns.join("','")}' excludes`, () => {
+                const result = test(filePath, patterns, excludedPatterns);
+
+                assert.strictEqual(result, false);
+            });
+        }
+
+        /**
+         * Emits a test that confirms the specified pattern throws an error.
+         * @param {string} filePath The file path to test the pattern against
+         * @param {string} pattern The glob pattern that should trigger the error condition
+         * @param {string} expectedMessage The expected error's message
+         * @returns {void}
+         */
+        function error(filePath, pattern, expectedMessage) {
+            it(`emits an error given '${pattern}'`, () => {
+                let errorMessage;
+
+                try {
+                    test(filePath, pattern);
+                } catch (e) {
+                    errorMessage = e.message;
+                }
+
+                assert.strictEqual(errorMessage, expectedMessage);
+            });
+        }
+
+        // files in the project root
+        match("foo.js", ["foo.js"], []);
+        match("foo.js", ["*"], []);
+        match("foo.js", ["*.js"], []);
+        match("foo.js", ["**/*.js"], []);
+        match("bar.js", ["*.js"], ["foo.js"]);
+        match("foo.js", ["./foo.js"], []);
+        match("foo.js", ["./*"], []);
+        match("foo.js", ["./**"], []);
+
+        noMatch("foo.js", ["*"], ["foo.js"]);
+        noMatch("foo.js", ["*.js"], ["foo.js"]);
+        noMatch("foo.js", ["**/*.js"], ["foo.js"]);
+
+        // files in a subdirectory
+        match("subdir/foo.js", ["foo.js"], []);
+        match("subdir/foo.js", ["*"], []);
+        match("subdir/foo.js", ["*.js"], []);
+        match("subdir/foo.js", ["**/*.js"], []);
+        match("subdir/foo.js", ["subdir/*.js"], []);
+        match("subdir/foo.js", ["subdir/foo.js"], []);
+        match("subdir/foo.js", ["subdir/*"], []);
+        match("subdir/second/foo.js", ["subdir/**"], []);
+        match("subdir/foo.js", ["./**"], []);
+        match("subdir/foo.js", ["./subdir/**"], []);
+        match("subdir/foo.js", ["./subdir/*"], []);
+
+        noMatch("subdir/foo.js", ["./foo.js"], []);
+        noMatch("subdir/foo.js", ["*"], ["subdir/**"]);
+        noMatch("subdir/very/deep/foo.js", ["*.js"], ["subdir/**"]);
+        noMatch("subdir/second/foo.js", ["subdir/*"], []);
+        noMatch("subdir/second/foo.js", ["subdir/**"], ["subdir/second/*"]);
+
+        // error conditions
+        error("foo.js", ["/*.js"], "Invalid override pattern (expected relative path not containing '..'): /*.js");
+        error("foo.js", ["/foo.js"], "Invalid override pattern (expected relative path not containing '..'): /foo.js");
+        error("foo.js", ["../**"], "Invalid override pattern (expected relative path not containing '..'): ../**");
+    });
+
+    describe("'JSON.stringify(...)' should return readable JSON; not include 'Minimatch' objects", () => {
+        it("should return an object that has three properties 'includes', 'excludes', and 'basePath' if that 'patterns' property include one object.", () => {
+            const files = "*.js";
+            const excludedFiles = "test/*";
+            const basePath = process.cwd();
+            const tester = OverrideTester.create(files, excludedFiles, basePath);
+
+            assert.strictEqual(
+                JSON.stringify(tester),
+                `{"includes":["${files}"],"excludes":["${excludedFiles}"],"basePath":${JSON.stringify(basePath)}}`
+            );
+        });
+
+        it("should return an object that has two properties 'AND' and 'basePath' if that 'patterns' property include two or more objects.", () => {
+            const files1 = "*.js";
+            const excludedFiles1 = "test/*";
+            const files2 = "*.story.js";
+            const excludedFiles2 = "src/*";
+            const basePath = process.cwd();
+            const tester = OverrideTester.and(
+                OverrideTester.create(files1, excludedFiles1, basePath),
+                OverrideTester.create(files2, excludedFiles2, basePath)
+            );
+
+            assert.deepStrictEqual(
+                JSON.parse(JSON.stringify(tester)),
+                {
+                    AND: [
+                        { includes: [files1], excludes: [excludedFiles1] },
+                        { includes: [files2], excludes: [excludedFiles2] }
+                    ],
+                    basePath
+                }
+            );
+        });
+    });
+
+    describe("'console.log(...)' should print readable string; not include 'Minimatch' objects", () => {
+        const localConsole = new Console(new Writable());
+
+        it("should use 'toJSON()' method.", () => {
+            const tester = OverrideTester.create("*.js", "", process.cwd());
+            let called = false;
+
+            tester.toJSON = () => {
+                called = true;
+                return "";
+            };
+
+            localConsole.log(tester);
+
+            assert(called);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/file-enumerator.js b/eslint/tests/lib/cli-engine/file-enumerator.js
new file mode 100644
index 0000000..c62578c
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/file-enumerator.js
@@ -0,0 +1,487 @@
+/**
+ * @fileoverview Tests for FileEnumerator class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const { assert } = require("chai");
+const sh = require("shelljs");
+const { CascadingConfigArrayFactory } =
+    require("../../../lib/cli-engine/cascading-config-array-factory");
+const { defineFileEnumeratorWithInMemoryFileSystem } = require("./_utils");
+
+describe("FileEnumerator", () => {
+    describe("'iterateFiles(patterns)' method should iterate files and configs.", () => {
+        describe("with three directories ('lib', 'lib/nested', 'test') that contains 'one.js' and 'two.js'", () => {
+            const root = path.join(os.tmpdir(), "eslint/file-enumerator");
+            const files = {
+                /* eslint-disable quote-props */
+                "lib": {
+                    "nested": {
+                        "one.js": "",
+                        "two.js": "",
+                        "parser.js": "",
+                        ".eslintrc.yml": "parser: './parser'"
+                    },
+                    "one.js": "",
+                    "two.js": ""
+                },
+                "test": {
+                    "one.js": "",
+                    "two.js": "",
+                    ".eslintrc.yml": "env: { mocha: true }"
+                },
+                ".eslintignore": "/lib/nested/parser.js",
+                ".eslintrc.json": JSON.stringify({
+                    rules: {
+                        "no-undef": "error",
+                        "no-unused-vars": "error"
+                    }
+                })
+                /* eslint-enable quote-props */
+            };
+            const { FileEnumerator } = defineFileEnumeratorWithInMemoryFileSystem({ cwd: () => root, files });
+
+            /** @type {FileEnumerator} */
+            let enumerator;
+
+            beforeEach(() => {
+                enumerator = new FileEnumerator();
+            });
+
+            it("should ignore empty strings.", () => {
+                Array.from(enumerator.iterateFiles(["lib/*.js", ""])); // don't throw "file not found" error.
+            });
+
+            describe("if 'lib/*.js' was given,", () => {
+
+                /** @type {Array<{config:(typeof import('../../../lib/cli-engine'))["ConfigArray"], filePath:string, ignored:boolean}>} */
+                let list;
+
+                beforeEach(() => {
+                    list = [...enumerator.iterateFiles("lib/*.js")];
+                });
+
+                it("should list two files.", () => {
+                    assert.strictEqual(list.length, 2);
+                });
+
+                it("should list 'lib/one.js' and 'lib/two.js'.", () => {
+                    assert.deepStrictEqual(
+                        list.map(entry => entry.filePath),
+                        [
+                            path.join(root, "lib/one.js"),
+                            path.join(root, "lib/two.js")
+                        ]
+                    );
+                });
+
+                it("should use the config '.eslintrc.json' for both files.", () => {
+                    assert.strictEqual(list[0].config, list[1].config);
+                    assert.strictEqual(list[0].config.length, 3);
+                    assert.strictEqual(list[0].config[0].name, "DefaultIgnorePattern");
+                    assert.strictEqual(list[0].config[1].filePath, path.join(root, ".eslintrc.json"));
+                    assert.strictEqual(list[0].config[2].filePath, path.join(root, ".eslintignore"));
+                });
+            });
+
+            describe("if 'lib/**/*.js' was given,", () => {
+
+                /** @type {Array<{config:(typeof import('../../../lib/cli-engine'))["ConfigArray"], filePath:string, ignored:boolean}>} */
+                let list;
+
+                beforeEach(() => {
+                    list = [...enumerator.iterateFiles("lib/**/*.js")];
+                });
+
+                it("should list four files.", () => {
+                    assert.strictEqual(list.length, 4);
+                });
+
+                it("should list 'lib/nested/one.js', 'lib/nested/two.js', 'lib/one.js', 'lib/two.js'.", () => {
+                    assert.deepStrictEqual(
+                        list.map(entry => entry.filePath),
+                        [
+                            path.join(root, "lib/nested/one.js"),
+                            path.join(root, "lib/nested/two.js"),
+                            path.join(root, "lib/one.js"),
+                            path.join(root, "lib/two.js")
+                        ]
+                    );
+                });
+
+                it("should use the merged config of '.eslintrc.json' and 'lib/nested/.eslintrc.yml' for 'lib/nested/one.js' and 'lib/nested/two.js'.", () => {
+                    assert.strictEqual(list[0].config, list[1].config);
+                    assert.strictEqual(list[0].config.length, 4);
+                    assert.strictEqual(list[0].config[0].name, "DefaultIgnorePattern");
+                    assert.strictEqual(list[0].config[1].filePath, path.join(root, ".eslintrc.json"));
+                    assert.strictEqual(list[0].config[2].filePath, path.join(root, "lib/nested/.eslintrc.yml"));
+                    assert.strictEqual(list[0].config[3].filePath, path.join(root, ".eslintignore"));
+                });
+
+                it("should use the config '.eslintrc.json' for 'lib/one.js' and 'lib/two.js'.", () => {
+                    assert.strictEqual(list[2].config, list[3].config);
+                    assert.strictEqual(list[2].config.length, 3);
+                    assert.strictEqual(list[2].config[0].name, "DefaultIgnorePattern");
+                    assert.strictEqual(list[2].config[1].filePath, path.join(root, ".eslintrc.json"));
+                    assert.strictEqual(list[2].config[2].filePath, path.join(root, ".eslintignore"));
+                });
+            });
+
+            describe("if 'lib/*.js' and 'test/*.js' were given,", () => {
+
+                /** @type {Array<{config:(typeof import('../../../lib/cli-engine'))["ConfigArray"], filePath:string, ignored:boolean}>} */
+                let list;
+
+                beforeEach(() => {
+                    list = [...enumerator.iterateFiles(["lib/*.js", "test/*.js"])];
+                });
+
+                it("should list four files.", () => {
+                    assert.strictEqual(list.length, 4);
+                });
+
+                it("should list 'lib/one.js', 'lib/two.js', 'test/one.js', 'test/two.js'.", () => {
+                    assert.deepStrictEqual(
+                        list.map(entry => entry.filePath),
+                        [
+                            path.join(root, "lib/one.js"),
+                            path.join(root, "lib/two.js"),
+                            path.join(root, "test/one.js"),
+                            path.join(root, "test/two.js")
+                        ]
+                    );
+                });
+
+                it("should use the config '.eslintrc.json' for 'lib/one.js' and 'lib/two.js'.", () => {
+                    assert.strictEqual(list[0].config, list[1].config);
+                    assert.strictEqual(list[0].config.length, 3);
+                    assert.strictEqual(list[0].config[0].name, "DefaultIgnorePattern");
+                    assert.strictEqual(list[0].config[1].filePath, path.join(root, ".eslintrc.json"));
+                    assert.strictEqual(list[0].config[2].filePath, path.join(root, ".eslintignore"));
+                });
+
+                it("should use the merged config of '.eslintrc.json' and 'test/.eslintrc.yml' for 'test/one.js' and 'test/two.js'.", () => {
+                    assert.strictEqual(list[2].config, list[3].config);
+                    assert.strictEqual(list[2].config.length, 4);
+                    assert.strictEqual(list[2].config[0].name, "DefaultIgnorePattern");
+                    assert.strictEqual(list[2].config[1].filePath, path.join(root, ".eslintrc.json"));
+                    assert.strictEqual(list[2].config[2].filePath, path.join(root, "test/.eslintrc.yml"));
+                    assert.strictEqual(list[2].config[3].filePath, path.join(root, ".eslintignore"));
+                });
+            });
+        });
+
+        // This group moved from 'tests/lib/util/glob-utils.js' when refactoring to keep the cumulated test cases.
+        describe("with 'tests/fixtures/glob-utils' files", () => {
+            const { FileEnumerator } = require("../../../lib/cli-engine/file-enumerator");
+            let fixtureDir;
+
+            /**
+             * Returns the path inside of the fixture directory.
+             * @param {...string} args file path segments.
+             * @returns {string} The path inside the fixture directory.
+             * @private
+             */
+            function getFixturePath(...args) {
+                return path.join(fs.realpathSync(fixtureDir), ...args);
+            }
+
+            /**
+             * List files as a compatible shape with glob-utils.
+             * @param {string|string[]} patterns The patterns to list files.
+             * @param {Object} options The option for FileEnumerator.
+             * @returns {{filename:string,ignored:boolean}[]} The listed files.
+             */
+            function listFiles(patterns, options) {
+                return Array.from(
+                    new FileEnumerator({
+                        ...options,
+                        configArrayFactory: new CascadingConfigArrayFactory({
+                            ...options,
+
+                            // Disable "No Configuration Found" error.
+                            useEslintrc: false
+                        })
+                    }).iterateFiles(patterns),
+                    ({ filePath, ignored }) => ({ filename: filePath, ignored })
+                );
+            }
+
+            before(() => {
+                fixtureDir = `${os.tmpdir()}/eslint/tests/fixtures/`;
+                sh.mkdir("-p", fixtureDir);
+                sh.cp("-r", "./tests/fixtures/*", fixtureDir);
+            });
+
+            after(() => {
+                sh.rm("-r", fixtureDir);
+            });
+
+            describe("listFilesToProcess()", () => {
+                it("should return an array with a resolved (absolute) filename", () => {
+                    const patterns = [getFixturePath("glob-util", "one-js-file", "**/*.js")];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath()
+                    });
+
+                    const file1 = getFixturePath("glob-util", "one-js-file", "baz.js");
+
+                    assert.isArray(result);
+                    assert.deepStrictEqual(result, [{ filename: file1, ignored: false }]);
+                });
+
+                it("should return all files matching a glob pattern", () => {
+                    const patterns = [getFixturePath("glob-util", "two-js-files", "**/*.js")];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath()
+                    });
+
+                    const file1 = getFixturePath("glob-util", "two-js-files", "bar.js");
+                    const file2 = getFixturePath("glob-util", "two-js-files", "foo.js");
+
+                    assert.strictEqual(result.length, 2);
+                    assert.deepStrictEqual(result, [
+                        { filename: file1, ignored: false },
+                        { filename: file2, ignored: false }
+                    ]);
+                });
+
+                it("should return all files matching multiple glob patterns", () => {
+                    const patterns = [
+                        getFixturePath("glob-util", "two-js-files", "**/*.js"),
+                        getFixturePath("glob-util", "one-js-file", "**/*.js")
+                    ];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath()
+                    });
+
+                    const file1 = getFixturePath("glob-util", "two-js-files", "bar.js");
+                    const file2 = getFixturePath("glob-util", "two-js-files", "foo.js");
+                    const file3 = getFixturePath("glob-util", "one-js-file", "baz.js");
+
+                    assert.strictEqual(result.length, 3);
+                    assert.deepStrictEqual(result, [
+                        { filename: file1, ignored: false },
+                        { filename: file2, ignored: false },
+                        { filename: file3, ignored: false }
+                    ]);
+                });
+
+                it("should ignore hidden files for standard glob patterns", () => {
+                    const patterns = [getFixturePath("glob-util", "hidden", "**/*.js")];
+
+                    assert.throws(() => {
+                        listFiles(patterns, {
+                            cwd: getFixturePath()
+                        });
+                    }, `All files matched by '${patterns[0]}' are ignored.`);
+                });
+
+                it("should return hidden files if included in glob pattern", () => {
+                    const patterns = [getFixturePath("glob-util", "hidden", "**/.*.js")];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath()
+                    });
+
+                    const file1 = getFixturePath("glob-util", "hidden", ".foo.js");
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result, [
+                        { filename: file1, ignored: false }
+                    ]);
+                });
+
+                it("should ignore default ignored files if not passed explicitly", () => {
+                    const directory = getFixturePath("glob-util", "hidden");
+                    const patterns = [directory];
+
+                    assert.throws(() => {
+                        listFiles(patterns, {
+                            cwd: getFixturePath()
+                        });
+                    }, `All files matched by '${directory}' are ignored.`);
+                });
+
+                it("should ignore and warn for default ignored files when passed explicitly", () => {
+                    const filename = getFixturePath("glob-util", "hidden", ".foo.js");
+                    const patterns = [filename];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath()
+                    });
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result[0], { filename, ignored: true });
+                });
+
+                it("should ignore default ignored files if not passed explicitly even if ignore is false", () => {
+                    const directory = getFixturePath("glob-util", "hidden");
+                    const patterns = [directory];
+
+                    assert.throws(() => {
+                        listFiles(patterns, {
+                            cwd: getFixturePath(),
+                            ignore: false
+                        });
+                    }, `All files matched by '${directory}' are ignored.`);
+                });
+
+                it("should not ignore default ignored files when passed explicitly if ignore is false", () => {
+                    const filename = getFixturePath("glob-util", "hidden", ".foo.js");
+                    const patterns = [filename];
+                    const result = listFiles(patterns, {
+                        cwd: getFixturePath(),
+                        ignore: false
+                    });
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result[0], { filename, ignored: false });
+                });
+
+                it("should throw an error for a file which does not exist", () => {
+                    const filename = getFixturePath("glob-util", "hidden", "bar.js");
+                    const patterns = [filename];
+
+                    assert.throws(() => {
+                        listFiles(patterns, {
+                            cwd: getFixturePath(),
+                            allowMissingGlobs: true
+                        });
+                    }, `No files matching '${filename}' were found.`);
+                });
+
+                it("should throw if a folder that does not have any applicable files is linted", () => {
+                    const filename = getFixturePath("glob-util", "empty");
+                    const patterns = [filename];
+
+                    assert.throws(() => {
+                        listFiles(patterns, {
+                            cwd: getFixturePath()
+                        });
+                    }, `No files matching '${filename}' were found.`);
+                });
+
+                it("should throw if only ignored files match a glob", () => {
+                    const pattern = getFixturePath("glob-util", "ignored");
+                    const options = { ignore: true, ignorePath: getFixturePath("glob-util", "ignored", ".eslintignore") };
+
+                    assert.throws(() => {
+                        listFiles([pattern], options);
+                    }, `All files matched by '${pattern}' are ignored.`);
+                });
+
+                it("should throw an error if no files match a glob", () => {
+
+                    // Relying here on the .eslintignore from the repo root
+                    const patterns = ["tests/fixtures/glob-util/ignored/**/*.js"];
+
+                    assert.throws(() => {
+                        listFiles(patterns);
+                    }, `All files matched by '${patterns[0]}' are ignored.`);
+                });
+
+                it("should return an ignored file, if ignore option is turned off", () => {
+                    const options = { ignore: false };
+                    const patterns = [getFixturePath("glob-util", "ignored", "**/*.js")];
+                    const result = listFiles(patterns, options);
+
+                    assert.strictEqual(result.length, 1);
+                });
+
+                it("should ignore a file from a glob if it matches a pattern in an ignore file", () => {
+                    const options = { ignore: true, ignorePath: getFixturePath("glob-util", "ignored", ".eslintignore") };
+                    const patterns = [getFixturePath("glob-util", "ignored", "**/*.js")];
+
+                    assert.throws(() => {
+                        listFiles(patterns, options);
+                    }, `All files matched by '${patterns[0]}' are ignored.`);
+                });
+
+                it("should ignore a file from a glob if matching a specified ignore pattern", () => {
+                    const options = { ignore: true, cliConfig: { ignorePatterns: ["foo.js"] }, cwd: getFixturePath() };
+                    const patterns = [getFixturePath("glob-util", "ignored", "**/*.js")];
+
+                    assert.throws(() => {
+                        listFiles(patterns, options);
+                    }, `All files matched by '${patterns[0]}' are ignored.`);
+                });
+
+                it("should return a file only once if listed in more than 1 pattern", () => {
+                    const patterns = [
+                        getFixturePath("glob-util", "one-js-file", "**/*.js"),
+                        getFixturePath("glob-util", "one-js-file", "baz.js")
+                    ];
+                    const result = listFiles(patterns, {
+                        cwd: path.join(fixtureDir, "..")
+                    });
+
+                    const file1 = getFixturePath("glob-util", "one-js-file", "baz.js");
+
+                    assert.isArray(result);
+                    assert.deepStrictEqual(result, [
+                        { filename: file1, ignored: false }
+                    ]);
+                });
+
+                it("should set 'ignored: true' for files that are explicitly specified but ignored", () => {
+                    const options = { ignore: true, cliConfig: { ignorePatterns: ["foo.js"] }, cwd: getFixturePath() };
+                    const filename = getFixturePath("glob-util", "ignored", "foo.js");
+                    const patterns = [filename];
+                    const result = listFiles(patterns, options);
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result, [
+                        { filename, ignored: true }
+                    ]);
+                });
+
+                it("should not return files from default ignored folders", () => {
+                    const options = { cwd: getFixturePath("glob-util") };
+                    const glob = getFixturePath("glob-util", "**/*.js");
+                    const patterns = [glob];
+                    const result = listFiles(patterns, options);
+                    const resultFilenames = result.map(resultObj => resultObj.filename);
+
+                    assert.notInclude(resultFilenames, getFixturePath("glob-util", "node_modules", "dependency.js"));
+                });
+
+                it("should return unignored files from default ignored folders", () => {
+                    const options = { cliConfig: { ignorePatterns: ["!/node_modules/dependency.js"] }, cwd: getFixturePath("glob-util") };
+                    const glob = getFixturePath("glob-util", "**/*.js");
+                    const patterns = [glob];
+                    const result = listFiles(patterns, options);
+                    const unignoredFilename = getFixturePath("glob-util", "node_modules", "dependency.js");
+
+                    assert.includeDeepMembers(result, [{ filename: unignoredFilename, ignored: false }]);
+                });
+
+                it("should return unignored files from folders unignored in .eslintignore", () => {
+                    const options = { cwd: getFixturePath("glob-util", "unignored"), ignore: true };
+                    const glob = getFixturePath("glob-util", "unignored", "**/*.js");
+                    const patterns = [glob];
+                    const result = listFiles(patterns, options);
+
+                    const filename = getFixturePath("glob-util", "unignored", "dir", "foo.js");
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result, [{ filename, ignored: false }]);
+                });
+
+                it("should return unignored files from folders unignored in .eslintignore for explicitly specified folder", () => {
+                    const options = { cwd: getFixturePath("glob-util", "unignored"), ignore: true };
+                    const dir = getFixturePath("glob-util", "unignored", "dir");
+                    const patterns = [dir];
+                    const result = listFiles(patterns, options);
+
+                    const filename = getFixturePath("glob-util", "unignored", "dir", "foo.js");
+
+                    assert.strictEqual(result.length, 1);
+                    assert.deepStrictEqual(result, [{ filename, ignored: false }]);
+                });
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/checkstyle.js b/eslint/tests/lib/cli-engine/formatters/checkstyle.js
new file mode 100644
index 0000000..2a72da1
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/checkstyle.js
@@ -0,0 +1,154 @@
+/**
+ * @fileoverview Tests for checkstyle reporter.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/checkstyle");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:checkstyle", () => {
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z for errors", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"error\" message=\"Unexpected foo. (foo)\" source=\"eslint.rules.foo\" /></file></checkstyle>");
+        });
+
+        it("should return a string in the format filename: line x, col y, Warning - z for warnings", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"warning\" message=\"Unexpected foo. (foo)\" source=\"eslint.rules.foo\" /></file></checkstyle>");
+        });
+    });
+
+    describe("when passed a message with XML control characters", () => {
+        const code = [{
+            filePath: "<>&\"'.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected <>&\"'\b\t\n\f\r牛逼.",
+                line: "<",
+                column: ">",
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"&lt;&gt;&amp;&quot;&apos;.js\"><error line=\"&lt;\" column=\"&gt;\" severity=\"error\" message=\"Unexpected &lt;&gt;&amp;&quot;&apos;&#8;&#9;&#10;&#12;&#13;&#29275;&#36924;. (foo)\" source=\"eslint.rules.foo\" /></file></checkstyle>");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"error\" message=\"Unexpected foo. (foo)\" source=\"eslint.rules.foo\" /></file></checkstyle>");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"error\" message=\"Unexpected foo. (foo)\" source=\"eslint.rules.foo\" /><error line=\"6\" column=\"11\" severity=\"warning\" message=\"Unexpected bar. (bar)\" source=\"eslint.rules.bar\" /></file></checkstyle>");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"error\" message=\"Unexpected foo. (foo)\" source=\"eslint.rules.foo\" /></file><file name=\"bar.js\"><error line=\"6\" column=\"11\" severity=\"warning\" message=\"Unexpected bar. (bar)\" source=\"eslint.rules.bar\" /></file></checkstyle>");
+        });
+    });
+
+    describe("when passing single message without rule id", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z for errors", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><checkstyle version=\"4.3\"><file name=\"foo.js\"><error line=\"5\" column=\"10\" severity=\"error\" message=\"Unexpected foo.\" source=\"\" /></file></checkstyle>");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/codeframe.js b/eslint/tests/lib/cli-engine/formatters/codeframe.js
new file mode 100644
index 0000000..398d6b8
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/codeframe.js
@@ -0,0 +1,483 @@
+/**
+ * @fileoverview Tests for codeframe reporter.
+ * @author Vitor Balocco
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert;
+const sinon = require("sinon");
+const proxyquire = require("proxyquire");
+const chalk = require("chalk");
+const path = require("path");
+const stripAnsi = require("strip-ansi");
+
+// Chalk protects its methods so we need to inherit from it for Sinon to work.
+const chalkStub = Object.create(chalk, {
+    yellow: {
+        value(str) {
+            return chalk.yellow(str);
+        },
+        writable: true
+    },
+    red: {
+        value(str) {
+            return chalk.red(str);
+        },
+        writable: true
+    }
+});
+
+chalkStub.yellow.bold = chalk.yellow.bold;
+chalkStub.red.bold = chalk.red.bold;
+
+const formatter = proxyquire("../../../../lib/cli-engine/formatters/codeframe", { chalk: chalkStub });
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:codeframe", () => {
+    afterEach(() => {
+        sinon.verifyAndRestore();
+    });
+
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [],
+            errorCount: 0,
+            warningCount: 0
+        }];
+
+        it("should return nothing", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "");
+        });
+    });
+
+    describe("when passed a single warning message", () => {
+        const code = [{
+            filePath: path.join(process.cwd(), "lib", "foo.js"),
+            source: "var foo = 1;\n var bar = 2;\n",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 1,
+                line: 1,
+                column: 5,
+                ruleId: "foo"
+            }],
+            errorCount: 0,
+            warningCount: 1,
+            fixableErrorCount: 0,
+            fixableWarningCount: 0
+        }];
+
+        it("should return a string in the correct format for warnings", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                `warning: Unexpected foo (foo) at ${path.join("lib", "foo.js")}:1:5:`,
+                "> 1 | var foo = 1;",
+                "    |     ^",
+                "  2 |  var bar = 2;",
+                "  3 | ",
+                "\n",
+                "1 warning found."
+            ].join("\n"));
+        });
+
+        it("should return bold yellow summary when there are only warnings", () => {
+            sinon.spy(chalkStub.yellow, "bold");
+            sinon.spy(chalkStub.red, "bold");
+
+            formatter(code);
+
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 1);
+            assert.strictEqual(chalkStub.red.bold.callCount, 0);
+        });
+
+        describe("when the warning is fixable", () => {
+            beforeEach(() => {
+                code[0].fixableWarningCount = 1;
+            });
+
+            it("should return a string in the correct format", () => {
+                const result = formatter(code);
+
+                assert.strictEqual(stripAnsi(result), [
+                    `warning: Unexpected foo (foo) at ${path.join("lib", "foo.js")}:1:5:`,
+                    "> 1 | var foo = 1;",
+                    "    |     ^",
+                    "  2 |  var bar = 2;",
+                    "  3 | ",
+                    "\n",
+                    "1 warning found.",
+                    "1 warning potentially fixable with the `--fix` option."
+                ].join("\n"));
+            });
+        });
+    });
+
+    describe("when passed a single error message", () => {
+        const code = [{
+            filePath: path.join(process.cwd(), "lib", "foo.js"),
+            source: "var foo = 1;\n var bar = 2;\n",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 1,
+                column: 5,
+                ruleId: "foo"
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string in the correct format for errors", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                `error: Unexpected foo (foo) at ${path.join("lib", "foo.js")}:1:5:`,
+                "> 1 | var foo = 1;",
+                "    |     ^",
+                "  2 |  var bar = 2;",
+                "  3 | ",
+                "\n",
+                "1 error found."
+            ].join("\n"));
+        });
+
+        it("should return bold red summary when there are errors", () => {
+            sinon.spy(chalkStub.yellow, "bold");
+            sinon.spy(chalkStub.red, "bold");
+
+            formatter(code);
+
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("when passed a message that ends with ' .'", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                ruleId: "foo",
+                message: "Unexpected .",
+                severity: 2,
+                source: "foo"
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string in the correct format (retaining the ' .')", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), "error: Unexpected . (foo) at foo.js\n\n\n1 error found.");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            source: "const foo = 1\n",
+            messages: [{
+                message: "Missing semicolon.",
+                severity: 2,
+                line: 1,
+                column: 14,
+                ruleId: "semi"
+            }, {
+                message: "'foo' is assigned a value but never used.",
+                severity: 2,
+                line: 1,
+                column: 7,
+                ruleId: "no-unused-vars"
+            }],
+            errorCount: 2,
+            warningCount: 0
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                "error: Missing semicolon (semi) at foo.js:1:14:",
+                "> 1 | const foo = 1",
+                "    |              ^",
+                "  2 | ",
+                "\n",
+                "error: 'foo' is assigned a value but never used (no-unused-vars) at foo.js:1:7:",
+                "> 1 | const foo = 1",
+                "    |       ^",
+                "  2 | ",
+                "\n",
+                "2 errors found."
+            ].join("\n"));
+        });
+
+        it("should return bold red summary when at least 1 of the messages is an error", () => {
+            sinon.spy(chalkStub.yellow, "bold");
+            sinon.spy(chalkStub.red, "bold");
+            code[0].messages[0].severity = 1;
+            code[0].warningCount = 1;
+            code[0].errorCount = 1;
+
+            formatter(code);
+
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("when passed one file with 1 message and fixes applied", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                ruleId: "no-unused-vars",
+                severity: 2,
+                message: "'foo' is assigned a value but never used.",
+                line: 4,
+                column: 11,
+                source: "    const foo = 1;"
+            }],
+            errorCount: 1,
+            warningCount: 0,
+            output: "function foo() {\n\n    // a comment\n    const foo = 1;\n}\n\n"
+        }];
+
+        it("should return a string with code preview pointing to the correct location after fixes", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                "error: 'foo' is assigned a value but never used (no-unused-vars) at foo.js:4:11:",
+                "  2 | ",
+                "  3 |     // a comment",
+                "> 4 |     const foo = 1;",
+                "    |           ^",
+                "  5 | }",
+                "  6 | ",
+                "  7 | ",
+                "\n",
+                "1 error found."
+            ].join("\n"));
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            source: "const foo = 1\n",
+            messages: [{
+                message: "Missing semicolon.",
+                severity: 2,
+                line: 1,
+                column: 14,
+                ruleId: "semi"
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }, {
+            filePath: "bar.js",
+            source: "const bar = 2\n",
+            messages: [{
+                message: "Missing semicolon.",
+                severity: 2,
+                line: 1,
+                column: 14,
+                ruleId: "semi"
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                "error: Missing semicolon (semi) at foo.js:1:14:",
+                "> 1 | const foo = 1",
+                "    |              ^",
+                "  2 | ",
+                "\n",
+                "error: Missing semicolon (semi) at bar.js:1:14:",
+                "> 1 | const bar = 2",
+                "    |              ^",
+                "  2 | ",
+                "\n",
+                "2 errors found."
+            ].join("\n"));
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            source: "e{}\n",
+            messages: [{
+                ruleId: null,
+                fatal: true,
+                severity: 2,
+                source: "e{}",
+                message: "Parsing error: Unexpected token {",
+                line: 1,
+                column: 2
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string in the correct format", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), [
+                "error: Parsing error: Unexpected token { at foo.js:1:2:",
+                "> 1 | e{}",
+                "    |  ^",
+                "  2 | ",
+                "\n",
+                "1 error found."
+            ].join("\n"));
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string without code preview (codeframe)", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), "error: Couldn't find foo.js at foo.js\n\n\n1 error found.");
+        });
+    });
+
+    describe("when passed a single message with no line or column", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                ruleId: "foo",
+                message: "Unexpected foo.",
+                severity: 2,
+                source: "foo"
+            }],
+            errorCount: 1,
+            warningCount: 0
+        }];
+
+        it("should return a string without code preview (codeframe)", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), "error: Unexpected foo (foo) at foo.js\n\n\n1 error found.");
+        });
+
+        it("should output filepath but without 'line:column' appended", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(stripAnsi(result), "error: Unexpected foo (foo) at foo.js\n\n\n1 error found.");
+        });
+    });
+
+
+    describe("fixable problems", () => {
+        it("should not output fixable problems message when no errors or warnings are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo"
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.notInclude(result, "potentially fixable");
+        });
+
+        it("should output the fixable problems message when errors are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 1,
+                fixableWarningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo"
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "1 error potentially fixable with the `--fix` option.");
+        });
+
+        it("should output fixable problems message when warnings are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 0,
+                warningCount: 3,
+                fixableErrorCount: 0,
+                fixableWarningCount: 2,
+                messages: [{
+                    message: "Unexpected foo."
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "2 warnings potentially fixable with the `--fix` option.");
+        });
+
+        it("should output the total number of fixable errors and warnings", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 5,
+                warningCount: 3,
+                fixableErrorCount: 5,
+                fixableWarningCount: 2,
+                messages: [{
+                    message: "Unexpected foo."
+                }]
+            }, {
+                filePath: "bar.js",
+                errorCount: 4,
+                warningCount: 2,
+                fixableErrorCount: 4,
+                fixableWarningCount: 1,
+                messages: [{
+                    message: "Unexpected bar."
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "9 errors and 3 warnings potentially fixable with the `--fix` option.");
+        });
+    });
+
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/compact.js b/eslint/tests/lib/cli-engine/formatters/compact.js
new file mode 100644
index 0000000..1a179d9
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/compact.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Tests for options.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/compact");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:compact", () => {
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: []
+        }];
+
+        it("should return nothing", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "");
+        });
+    });
+
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z for errors", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 5, col 10, Error - Unexpected foo. (foo)\n\n1 problem");
+        });
+
+        it("should return a string in the format filename: line x, col y, Warning - z for warnings", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 5, col 10, Warning - Unexpected foo. (foo)\n\n1 problem");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename: line x, col y, Error - z", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 5, col 10, Error - Unexpected foo. (foo)\n\n1 problem");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 5, col 10, Error - Unexpected foo. (foo)\nfoo.js: line 6, col 11, Warning - Unexpected bar. (bar)\n\n2 problems");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 5, col 10, Error - Unexpected foo. (foo)\nbar.js: line 6, col 11, Warning - Unexpected bar. (bar)\n\n2 problems");
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }]
+        }];
+
+        it("should return a string without line and column", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js: line 0, col 0, Error - Couldn't find foo.js.\n\n1 problem");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/html.js b/eslint/tests/lib/cli-engine/formatters/html.js
new file mode 100644
index 0000000..9d61cd6
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/html.js
@@ -0,0 +1,593 @@
+/**
+ * @fileoverview Tests for HTML reporter.
+ * @author Julian Laval
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert;
+const formatter = require("../../../../lib/cli-engine/formatters/html");
+const cheerio = require("cheerio");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Run unit tests on the overview section
+ * @param {Object} $ Cheerio instance
+ * @param {Object} args Array of relevant info to be tested
+ * @returns {void}
+ */
+function checkOverview($, args) {
+    assert($("#overview").hasClass(args.bgColor), "Check if color is correct");
+    assert.strictEqual($("#overview span").text(), args.problems, "Check if correct problem totals");
+}
+
+/**
+ * Run unit tests on the header section
+ * @param {Object} $ Cheerio instance
+ * @param {Object} rowObject Header row being tested
+ * @param {Object} args Array of relevant info to be tested
+ * @returns {void}
+ */
+function checkHeaderRow($, rowObject, args) {
+    const row = $(rowObject);
+
+    assert(row.hasClass(args.bgColor), "Check that background color is correct");
+    assert.strictEqual(row.attr("data-group"), args.group, "Check that header group is correct");
+    assert.strictEqual(row.find("th span").text(), args.problems, "Check if correct totals");
+    assert.strictEqual(row.find("th").html().trim().match(/ [^<]*/u)[0].trim(), args.file, "Check if correctly displays filePath");
+}
+
+/**
+ * Run unit tests on the content section
+ * @param {Object} $ Cheerio instance
+ * @param {Object} rowObject Content row being tested
+ * @param {Object} args Array of relevant info to be tested
+ * @returns {void}
+ */
+function checkContentRow($, rowObject, args) {
+    const row = $(rowObject);
+
+    assert(row.hasClass(args.group), "Check that linked to correct header");
+    assert.strictEqual($(row.find("td")[0]).text(), args.lineCol, "Check that line:column is correct");
+    assert($(row.find("td")[1]).hasClass(args.color), "Check that severity color is correct");
+    assert.strictEqual($(row.find("td")[2]).html(), args.message, "Check that message is correct");
+    assert.strictEqual($(row.find("td")[3]).find("a").text(), args.ruleId, "Check that ruleId is correct");
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:html", () => {
+    describe("when passed a single error message", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 1 issue in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-2", problems: "1 problem (1 error, 0 warnings)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 2, "Check that there are two (1 header, 1 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 1, "Check that is 1 header row (implying 1 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-2", group: "f-0", file: "foo.js", problems: "1 problem (1 error, 0 warnings)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+        });
+
+        it("should not fail if metadata is not available", () => {
+            const result = formatter(code.results);
+
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-2", problems: "1 problem (1 error, 0 warnings)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 2, "Check that there are two (1 header, 1 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 1, "Check that is 1 header row (implying 1 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-2", group: "f-0", file: "foo.js", problems: "1 problem (1 error, 0 warnings)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+        });
+    });
+
+    describe("when passed a single warning message", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 0,
+                warningCount: 1,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 1,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 1 issue in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-1", problems: "1 problem (0 errors, 1 warning)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 2, "Check that there are two (1 header, 1 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 1, "Check that is 1 header row (implying 1 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-1", group: "f-0", file: "foo.js", problems: "1 problem (0 errors, 1 warning)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-1", message: "Unexpected foo.", ruleId: "foo" });
+        });
+    });
+
+    describe("when passed a single error message", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 1 issue in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-2", problems: "1 problem (1 error, 0 warnings)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 2, "Check that there are two (1 header, 1 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 1, "Check that is 1 header row (implying 1 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-2", group: "f-0", file: "foo.js", problems: "1 problem (1 error, 0 warnings)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+        });
+    });
+
+    describe("when passed no error/warning messages", () => {
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 0,
+                warningCount: 0,
+                messages: []
+            }]
+        };
+
+        it("should return a string in HTML format with 0 issues in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, {});
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-0", problems: "0 problems" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 1, "Check that there is 1 row (header)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-0", group: "f-0", file: "foo.js", problems: "0 problems" });
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            },
+            bar: {
+                type: "suggestion",
+
+                docs: {
+                    description: "This is rule 'bar'",
+                    category: "error",
+                    recommended: false
+                },
+
+                messages: {
+                    message1: "This is a message for rule 'bar'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 1,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }, {
+                    message: "Unexpected bar.",
+                    severity: 1,
+                    line: 6,
+                    column: 11,
+                    ruleId: "bar",
+                    source: "bar"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 2 issues in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-2", problems: "2 problems (1 error, 1 warning)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 3, "Check that there are two (1 header, 2 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 1, "Check that is 1 header row (implying 2 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-2", group: "f-0", file: "foo.js", problems: "2 problems (1 error, 1 warning)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+            checkContentRow($, $("tr")[2], { group: "f-0", lineCol: "6:11", color: "clr-1", message: "Unexpected bar.", ruleId: "bar" });
+        });
+    });
+
+    describe("when passed multiple files with 1 error & warning message respectively", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            },
+            bar: {
+                type: "suggestion",
+
+                docs: {
+                    description: "This is rule 'bar'",
+                    category: "error",
+                    recommended: false
+                },
+
+                messages: {
+                    message1: "This is a message for rule 'bar'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }, {
+                filePath: "bar.js",
+                errorCount: 0,
+                warningCount: 1,
+                messages: [{
+                    message: "Unexpected bar.",
+                    severity: 1,
+                    line: 6,
+                    column: 11,
+                    ruleId: "bar",
+                    source: "bar"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 2 issues in 2 files and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-2", problems: "2 problems (1 error, 1 warning)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 4, "Check that there are two (2 header, 2 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 2, "Check that is 2 header row (implying 2 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-2", group: "f-0", file: "foo.js", problems: "1 problem (1 error, 0 warnings)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+            checkHeaderRow($, $("tr")[2], { bgColor: "bg-1", group: "f-1", file: "bar.js", problems: "1 problem (0 errors, 1 warning)" });
+            checkContentRow($, $("tr")[3], { group: "f-1", lineCol: "6:11", color: "clr-1", message: "Unexpected bar.", ruleId: "bar" });
+        });
+    });
+
+    describe("when passed multiple files with 1 warning message each", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            },
+            bar: {
+                type: "suggestion",
+
+                docs: {
+                    description: "This is rule 'bar'",
+                    category: "error",
+                    recommended: false
+                },
+
+                messages: {
+                    message1: "This is a message for rule 'bar'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 0,
+                warningCount: 1,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 1,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }, {
+                filePath: "bar.js",
+                errorCount: 0,
+                warningCount: 1,
+                messages: [{
+                    message: "Unexpected bar.",
+                    severity: 1,
+                    line: 6,
+                    column: 11,
+                    ruleId: "bar",
+                    source: "bar"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 2 issues in 2 files and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            // Check overview
+            checkOverview($, { bgColor: "bg-1", problems: "2 problems (0 errors, 2 warnings)" });
+
+            // Check rows
+            assert.strictEqual($("tr").length, 4, "Check that there are two (2 header, 2 content)");
+            assert.strictEqual($("tr[data-group|=\"f\"]").length, 2, "Check that is 2 header row (implying 2 content row)");
+            checkHeaderRow($, $("tr")[0], { bgColor: "bg-1", group: "f-0", file: "foo.js", problems: "1 problem (0 errors, 1 warning)" });
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-1", message: "Unexpected foo.", ruleId: "foo" });
+            checkHeaderRow($, $("tr")[2], { bgColor: "bg-1", group: "f-1", file: "bar.js", problems: "1 problem (0 errors, 1 warning)" });
+            checkContentRow($, $("tr")[3], { group: "f-1", lineCol: "6:11", color: "clr-1", message: "Unexpected bar.", ruleId: "bar" });
+        });
+    });
+
+    describe("when passing a single message with illegal characters", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                messages: [{
+                    message: "Unexpected <&\"'> foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 1 issue in 1 file", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "Unexpected &lt;&amp;&quot;&apos;&gt; foo.", ruleId: "foo" });
+        });
+    });
+
+    describe("when passing a single message with no rule id or message", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 0,
+            messages: [{
+                severity: 2,
+                line: 5,
+                column: 10
+            }]
+        }];
+
+        it("should return a string in HTML format with 1 issue in 1 file", () => {
+            const result = formatter(code, {});
+            const $ = cheerio.load(result);
+
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "5:10", color: "clr-2", message: "", ruleId: "" });
+        });
+    });
+
+    describe("when passed a single message with no line or column", () => {
+        const rulesMeta = {
+            foo: {
+                type: "problem",
+
+                docs: {
+                    description: "This is rule 'foo'",
+                    category: "error",
+                    recommended: true,
+                    url: "https://eslint.org/docs/rules/foo"
+                },
+
+                fixable: "code",
+
+                messages: {
+                    message1: "This is a message for rule 'foo'."
+                }
+            }
+        };
+        const code = {
+            results: [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    ruleId: "foo",
+                    source: "foo"
+                }]
+            }],
+            rulesMeta
+        };
+
+        it("should return a string in HTML format with 1 issue in 1 file and styled accordingly", () => {
+            const result = formatter(code.results, { rulesMeta });
+            const $ = cheerio.load(result);
+
+            checkContentRow($, $("tr")[1], { group: "f-0", lineCol: "0:0", color: "clr-2", message: "Unexpected foo.", ruleId: "foo" });
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/jslint-xml.js b/eslint/tests/lib/cli-engine/formatters/jslint-xml.js
new file mode 100644
index 0000000..eca587a
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/jslint-xml.js
@@ -0,0 +1,176 @@
+/**
+ * @fileoverview Tests for JSLint XML reporter.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/jslint-xml");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:jslint-xml", () => {
+    describe("when passed a single message", () => {
+
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo",
+                source: "foo"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 1 issue in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"foo\" reason=\"Unexpected foo. (foo)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo",
+                source: "foo"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 1 issue in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"foo\" reason=\"Unexpected foo. (foo)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo",
+                source: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar",
+                source: "bar"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 2 issues in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"foo\" reason=\"Unexpected foo. (foo)\" /><issue line=\"6\" char=\"11\" evidence=\"bar\" reason=\"Unexpected bar. (bar)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo",
+                source: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar",
+                source: "bar"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 2 issues in 2 files", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"foo\" reason=\"Unexpected foo. (foo)\" /></file><file name=\"bar.js\"><issue line=\"6\" char=\"11\" evidence=\"bar\" reason=\"Unexpected bar. (bar)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passing a single message with illegal characters", () => {
+
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected <&\"'>\b\t\n\f\r牛逼 foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo",
+                source: "foo"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 1 issue in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"foo\" reason=\"Unexpected &lt;&amp;&quot;&apos;&gt;&#8;&#9;&#10;&#12;&#13;&#29275;&#36924; foo. (foo)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passing a single message with no source", () => {
+
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 1 issue in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"\" reason=\"Unexpected foo. (foo)\" /></file></jslint>");
+        });
+    });
+
+    describe("when passing a single message without rule id", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                severity: 2,
+                line: 5,
+                column: 10
+            }]
+        }];
+
+        it("should return a string in JSLint XML format with 1 issue in 1 file", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "<?xml version=\"1.0\" encoding=\"utf-8\"?><jslint><file name=\"foo.js\"><issue line=\"5\" char=\"10\" evidence=\"\" reason=\"\" /></file></jslint>");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/json-with-metadata.js b/eslint/tests/lib/cli-engine/formatters/json-with-metadata.js
new file mode 100644
index 0000000..82cb208
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/json-with-metadata.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview Tests for JSON reporter.
+ * @author Chris Meyer
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/json-with-metadata");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:json", () => {
+    const rulesMeta = {
+        foo: {
+            type: "problem",
+
+            docs: {
+                description: "This is rule 'foo'",
+                category: "error",
+                recommended: true,
+                url: "https://eslint.org/docs/rules/foo"
+            },
+
+            fixable: "code",
+
+            messages: {
+                message1: "This is a message for rule 'foo'."
+            }
+        },
+        bar: {
+            type: "suggestion",
+
+            docs: {
+                description: "This is rule 'bar'",
+                category: "error",
+                recommended: false
+            },
+
+            messages: {
+                message1: "This is a message for rule 'bar'."
+            }
+        }
+    };
+    const code = {
+        results: [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }],
+        metadata: {
+            rulesMeta
+        }
+    };
+
+    it("should return passed results and data as a JSON string without any modification", () => {
+        const result = JSON.parse(formatter(code.results, code.metadata));
+
+        assert.deepStrictEqual(result, code);
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/json.js b/eslint/tests/lib/cli-engine/formatters/json.js
new file mode 100644
index 0000000..b0bb5ff
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/json.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Tests for JSON reporter.
+ * @author Burak Yigit Kaya aka BYK
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/json");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:json", () => {
+    const code = [{
+        filePath: "foo.js",
+        messages: [{
+            message: "Unexpected foo.",
+            severity: 2,
+            line: 5,
+            column: 10,
+            ruleId: "foo"
+        }]
+    }, {
+        filePath: "bar.js",
+        messages: [{
+            message: "Unexpected bar.",
+            severity: 1,
+            line: 6,
+            column: 11,
+            ruleId: "bar"
+        }]
+    }];
+
+    it("should return passed results as a JSON string without any modification", () => {
+        const result = JSON.parse(formatter(code));
+
+        assert.deepStrictEqual(result, code);
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/junit.js b/eslint/tests/lib/cli-engine/formatters/junit.js
new file mode 100644
index 0000000..b77c177
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/junit.js
@@ -0,0 +1,218 @@
+/**
+ * @fileoverview Tests for jUnit Formatter.
+ * @author Jamund Ferguson
+ */
+
+/* jshint node:true */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/junit"),
+    process = require("process");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const suppliedFilePath = (process.platform === "win32") ? "C:\\path\\to\\foo.js" : "/path/to/foo.js";
+const expectedClassName = (process.platform === "win32") ? "C:\\path\\to\\foo" : "/path/to/foo";
+
+describe("formatter:junit", () => {
+    describe("when there are no problems", () => {
+        const code = [];
+
+        it("should not complain about anything", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), "<?xml version=\"1.0\" encoding=\"utf-8\"?><testsuites></testsuites>");
+        });
+    });
+
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a single <testcase> with a message and the line and col number in the body (error)", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected foo."><![CDATA[line 5, col 10, Error - Unexpected foo. (foo)]]></failure></testcase></testsuite></testsuites>`);
+        });
+
+        it("should return a single <testcase> with a message and the line and col number in the body (warning)", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected foo."><![CDATA[line 5, col 10, Warning - Unexpected foo. (foo)]]></failure></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a single <testcase> and an <error>", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><error message="Unexpected foo."><![CDATA[line 5, col 10, Error - Unexpected foo. (foo)]]></error></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed a fatal error message with no line or column", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo."
+            }]
+        }];
+
+        it("should return a single <testcase> and an <error>", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.unknown" classname="${expectedClassName}"><error message="Unexpected foo."><![CDATA[line 0, col 0, Error - Unexpected foo.]]></error></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed a fatal error message with no line, column, or message text", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                fatal: true
+            }]
+        }];
+
+        it("should return a single <testcase> and an <error>", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.unknown" classname="${expectedClassName}"><error message=""><![CDATA[line 0, col 0, Error - ]]></error></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a multiple <testcase>'s", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="2" errors="2" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected foo."><![CDATA[line 5, col 10, Error - Unexpected foo. (foo)]]></failure></testcase><testcase time="0" name="org.eslint.bar" classname="${expectedClassName}"><failure message="Unexpected bar."><![CDATA[line 6, col 11, Warning - Unexpected bar. (bar)]]></failure></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed special characters", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                message: "Unexpected <foo></foo>\b\t\n\f\r牛逼.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should make them go away", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected &lt;foo&gt;&lt;/foo&gt;&#8;&#9;&#10;&#12;&#13;&#29275;&#36924;."><![CDATA[line 5, col 10, Warning - Unexpected &lt;foo&gt;&lt;/foo&gt;&#8;&#9;&#10;&#12;&#13;&#29275;&#36924;. (foo)]]></failure></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 2,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return 2 <testsuite>'s", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected foo."><![CDATA[line 5, col 10, Warning - Unexpected foo. (foo)]]></failure></testcase></testsuite><testsuite package="org.eslint" time="0" tests="1" errors="1" name="bar.js"><testcase time="0" name="org.eslint.bar" classname="bar"><failure message="Unexpected bar."><![CDATA[line 6, col 11, Error - Unexpected bar. (bar)]]></failure></testcase></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed multiple files should print even if no errors", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: []
+        }];
+
+        it("should return 2 <testsuite>", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="1" name="${suppliedFilePath}"><testcase time="0" name="org.eslint.foo" classname="${expectedClassName}"><failure message="Unexpected foo."><![CDATA[line 5, col 10, Warning - Unexpected foo. (foo)]]></failure></testcase></testsuite><testsuite package="org.eslint" time="0" tests="1" errors="0" name="bar.js"><testcase time="0" name="bar.js" classname="bar" /></testsuite></testsuites>`);
+        });
+    });
+
+    describe("when passed a file with no errors", () => {
+        const code = [{
+            filePath: suppliedFilePath,
+            messages: []
+        }];
+
+        it("should print a passing <testcase>", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result.replace(/\n/gu, ""), `<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite package="org.eslint" time="0" tests="1" errors="0" name="${suppliedFilePath}"><testcase time="0" name="${suppliedFilePath}" classname="${expectedClassName}" /></testsuite></testsuites>`);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/stylish.js b/eslint/tests/lib/cli-engine/formatters/stylish.js
new file mode 100644
index 0000000..66f6abe
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/stylish.js
@@ -0,0 +1,418 @@
+/**
+ * @fileoverview Tests for options.
+ * @author Sindre Sorhus
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    chalk = require("chalk"),
+    proxyquire = require("proxyquire"),
+    sinon = require("sinon");
+
+/*
+ * Chalk protects its methods so we need to inherit from it
+ * for Sinon to work.
+ */
+const chalkStub = Object.create(chalk, {
+    reset: {
+        value(str) {
+            return chalk.reset(str);
+        },
+        writable: true
+    },
+    yellow: {
+        value(str) {
+            return chalk.yellow(str);
+        },
+        writable: true
+    },
+    red: {
+        value(str) {
+            return chalk.red(str);
+        },
+        writable: true
+    }
+});
+
+chalkStub.yellow.bold = chalk.yellow.bold;
+chalkStub.red.bold = chalk.red.bold;
+
+const formatter = proxyquire("../../../../lib/cli-engine/formatters/stylish", { chalk: chalkStub });
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:stylish", () => {
+    const originalColorLevel = chalk.level;
+
+    beforeEach(() => {
+        chalk.level = 0;
+        sinon.spy(chalkStub, "reset");
+        sinon.spy(chalkStub.yellow, "bold");
+        sinon.spy(chalkStub.red, "bold");
+    });
+
+    afterEach(() => {
+        sinon.verifyAndRestore();
+        chalk.level = originalColorLevel;
+    });
+
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [],
+            errorCount: 0,
+            warningCount: 0
+        }];
+
+        it("should not return message", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "");
+            assert.strictEqual(chalkStub.reset.callCount, 0);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 0);
+        });
+    });
+
+    describe("when passed a single error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 0,
+            fixableErrorCount: 0,
+            fixableWarningCount: 0,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the correct format", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\n\u2716 1 problem (1 error, 0 warnings)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+
+        });
+
+        describe("when the error is fixable", () => {
+            beforeEach(() => {
+                code[0].fixableErrorCount = 1;
+            });
+
+            it("should return a string in the correct format", () => {
+                const result = formatter(code);
+
+                assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\n\u2716 1 problem (1 error, 0 warnings)\n  1 error and 0 warnings potentially fixable with the `--fix` option.\n");
+                assert.strictEqual(chalkStub.reset.callCount, 1);
+                assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+                assert.strictEqual(chalkStub.red.bold.callCount, 2);
+            });
+        });
+    });
+
+    describe("when passed a single warning message", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 0,
+            warningCount: 1,
+            fixableErrorCount: 0,
+            fixableWarningCount: 0,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the correct format", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  warning  Unexpected foo  foo\n\n\u2716 1 problem (0 errors, 1 warning)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 1);
+            assert.strictEqual(chalkStub.red.bold.callCount, 0);
+        });
+
+        describe("when the error is fixable", () => {
+            beforeEach(() => {
+                code[0].fixableWarningCount = 1;
+            });
+
+            it("should return a string in the correct format", () => {
+                const result = formatter(code);
+
+                assert.strictEqual(result, "\nfoo.js\n  5:10  warning  Unexpected foo  foo\n\n\u2716 1 problem (0 errors, 1 warning)\n  0 errors and 1 warning potentially fixable with the `--fix` option.\n");
+                assert.strictEqual(chalkStub.reset.callCount, 1);
+                assert.strictEqual(chalkStub.yellow.bold.callCount, 2);
+                assert.strictEqual(chalkStub.red.bold.callCount, 0);
+            });
+
+        });
+    });
+
+    describe("when passed a message that ends with ' .'", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 0,
+            warningCount: 1,
+            fixableErrorCount: 0,
+            fixableWarningCount: 0,
+            messages: [{
+                message: "Unexpected .",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the correct format (retaining the ' .')", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  warning  Unexpected .  foo\n\n\u2716 1 problem (0 errors, 1 warning)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 1);
+            assert.strictEqual(chalkStub.red.bold.callCount, 0);
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 0,
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the correct format", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\n\u2716 1 problem (1 error, 0 warnings)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 1,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error    Unexpected foo  foo\n  6:11  warning  Unexpected bar  bar\n\n\u2716 2 problems (1 error, 1 warning)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 0,
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            errorCount: 0,
+            warningCount: 1,
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\nbar.js\n  6:11  warning  Unexpected bar  bar\n\n\u2716 2 problems (1 error, 1 warning)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+
+        it("should add errorCount", () => {
+            code.forEach(c => {
+                c.errorCount = 1;
+                c.warningCount = 0;
+            });
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\nbar.js\n  6:11  warning  Unexpected bar  bar\n\n\u2716 2 problems (2 errors, 0 warnings)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+
+        it("should add warningCount", () => {
+            code.forEach(c => {
+                c.errorCount = 0;
+                c.warningCount = 1;
+            });
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  5:10  error  Unexpected foo  foo\n\nbar.js\n  6:11  warning  Unexpected bar  bar\n\n\u2716 2 problems (0 errors, 2 warnings)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            errorCount: 1,
+            warningCount: 0,
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }]
+        }];
+
+        it("should return a string without line and column", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "\nfoo.js\n  0:0  error  Couldn't find foo.js\n\n\u2716 1 problem (1 error, 0 warnings)\n");
+            assert.strictEqual(chalkStub.reset.callCount, 1);
+            assert.strictEqual(chalkStub.yellow.bold.callCount, 0);
+            assert.strictEqual(chalkStub.red.bold.callCount, 1);
+        });
+    });
+
+    describe("fixable problems", () => {
+        it("should not output fixable problems message when no errors or warnings are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 0,
+                fixableWarningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo"
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.notInclude(result, "potentially fixable");
+        });
+
+        it("should output the fixable problems message when errors are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 1,
+                warningCount: 0,
+                fixableErrorCount: 1,
+                fixableWarningCount: 0,
+                messages: [{
+                    message: "Unexpected foo.",
+                    severity: 2,
+                    line: 5,
+                    column: 10,
+                    ruleId: "foo"
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "  1 error and 0 warnings potentially fixable with the `--fix` option.\n");
+        });
+
+        it("should output fixable problems message when warnings are fixable", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 0,
+                warningCount: 3,
+                fixableErrorCount: 0,
+                fixableWarningCount: 2,
+                messages: [{
+                    message: "Unexpected foo."
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "  0 errors and 2 warnings potentially fixable with the `--fix` option.\n");
+        });
+
+        it("should output the total number of fixable errors and warnings", () => {
+            const code = [{
+                filePath: "foo.js",
+                errorCount: 5,
+                warningCount: 3,
+                fixableErrorCount: 5,
+                fixableWarningCount: 2,
+                messages: [{
+                    message: "Unexpected foo."
+                }]
+            }, {
+                filePath: "bar.js",
+                errorCount: 4,
+                warningCount: 2,
+                fixableErrorCount: 4,
+                fixableWarningCount: 1,
+                messages: [{
+                    message: "Unexpected bar."
+                }]
+            }];
+
+            const result = formatter(code);
+
+            assert.include(result, "  9 errors and 3 warnings potentially fixable with the `--fix` option.\n");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/table.js b/eslint/tests/lib/cli-engine/formatters/table.js
new file mode 100644
index 0000000..3e29caf
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/table.js
@@ -0,0 +1,324 @@
+/**
+ * @fileoverview Tests for "table" reporter.
+ * @author Gajus Kuizinas <gajus@gajus.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert;
+const chalk = require("chalk");
+const formatter = require("../../../../lib/cli-engine/formatters/table");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:table", () => {
+    const originalColorLevel = chalk.level;
+
+    before(() => {
+        chalk.level = 0;
+    });
+
+    after(() => {
+        chalk.level = originalColorLevel;
+    });
+
+    describe("when passed no messages", () => {
+        const code = [
+            {
+                filePath: "foo.js",
+                messages: [],
+                errorCount: 0,
+                warningCount: 0
+            }
+        ];
+
+        it("should return a table of error and warning count with no messages", () => {
+            const expectedOutput = [
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 0 Errors                                                                                                       ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 0 Warnings                                                                                                     ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+
+    describe("when passed a single message", () => {
+        it("should return a string in the correct format for errors", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            message: "Unexpected foo.",
+                            severity: 2,
+                            line: 5,
+                            column: 10,
+                            ruleId: "foo"
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 0
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 5        │ 10       │ error    │ Unexpected foo.                                        │ foo                  ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 1 Error                                                                                                        ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 0 Warnings                                                                                                     ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+
+        it("should return a string in the correct format for warnings", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            message: "Unexpected foo.",
+                            severity: 1,
+                            line: 5,
+                            column: 10,
+                            ruleId: "foo"
+                        }
+                    ],
+                    errorCount: 0,
+                    warningCount: 1
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 5        │ 10       │ warning  │ Unexpected foo.                                        │ foo                  ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 0 Errors                                                                                                       ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 1 Warning                                                                                                      ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        it("should return a string in the correct format", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            fatal: true,
+                            message: "Unexpected foo.",
+                            line: 5,
+                            column: 10,
+                            ruleId: "foo"
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 0
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 5        │ 10       │ error    │ Unexpected foo.                                        │ foo                  ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 1 Error                                                                                                        ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 0 Warnings                                                                                                     ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        it("should return a string with multiple entries", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            message: "Unexpected foo.",
+                            severity: 2,
+                            line: 5,
+                            column: 10,
+                            ruleId: "foo"
+                        },
+                        {
+                            message: "Unexpected bar.",
+                            severity: 1,
+                            line: 6,
+                            column: 11,
+                            ruleId: "bar"
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 1
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 5        │ 10       │ error    │ Unexpected foo.                                        │ foo                  ║",
+                "║ 6        │ 11       │ warning  │ Unexpected bar.                                        │ bar                  ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 1 Error                                                                                                        ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 1 Warning                                                                                                      ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        it("should return a string with multiple entries", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            message: "Unexpected foo.",
+                            severity: 2,
+                            line: 5,
+                            column: 10,
+                            ruleId: "foo"
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 0
+                }, {
+                    filePath: "bar.js",
+                    messages: [
+                        {
+                            message: "Unexpected bar.",
+                            severity: 1,
+                            line: 6,
+                            column: 11,
+                            ruleId: "bar"
+                        }
+                    ],
+                    errorCount: 0,
+                    warningCount: 1
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 5        │ 10       │ error    │ Unexpected foo.                                        │ foo                  ║",
+                "",
+                "bar.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 6        │ 11       │ warning  │ Unexpected bar.                                        │ bar                  ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 1 Error                                                                                                        ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 1 Warning                                                                                                      ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        it("should return a string without line and column (0, 0)", () => {
+            const code = [
+                {
+                    filePath: "foo.js",
+                    messages: [
+                        {
+                            fatal: true,
+                            message: "Couldn't find foo.js."
+                        }
+                    ],
+                    errorCount: 1,
+                    warningCount: 0
+                }
+            ];
+
+            const expectedOutput = [
+                "",
+                "foo.js",
+                "",
+                "║ Line     │ Column   │ Type     │ Message                                                │ Rule ID              ║",
+                "╟──────────┼──────────┼──────────┼────────────────────────────────────────────────────────┼──────────────────────╢",
+                "║ 0        │ 0        │ error    │ Couldn't find foo.js.                                  │                      ║",
+                "",
+                "╔════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗",
+                "║ 1 Error                                                                                                        ║",
+                "╟────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢",
+                "║ 0 Warnings                                                                                                     ║",
+                "╚════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝",
+                ""
+            ].join("\n");
+
+            const result = formatter(code);
+
+            assert.strictEqual(result, expectedOutput);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/tap.js b/eslint/tests/lib/cli-engine/formatters/tap.js
new file mode 100644
index 0000000..8852ee7
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/tap.js
@@ -0,0 +1,235 @@
+/**
+ * @fileoverview Tests for options.
+ * @author Jonathan Kingston
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/tap");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:tap", () => {
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: []
+        }];
+
+        it("should return nothing", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "TAP version 13\n1..1\nok 1 - foo.js\n");
+        });
+    });
+
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string with YAML severity, line and column", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "TAP version 13\n1..1\nnot ok 1 - foo.js\n  ---\n  message: Unexpected foo.\n  severity: error\n  data:\n    line: 5\n    column: 10\n    ruleId: foo\n  ...\n");
+        });
+
+        it("should return a string with line: x, column: y, severity: warning for warnings", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.include(result, "line: 5");
+            assert.include(result, "column: 10");
+            assert.include(result, "ruleId: foo");
+            assert.include(result, "severity: warning");
+            assert.include(result, "1..1");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return an error string", () => {
+            const result = formatter(code);
+
+            assert.include(result, "not ok");
+            assert.include(result, "error");
+        });
+    });
+
+    describe("when passed a message with a severity of 1", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a warning string", () => {
+            const result = formatter(code);
+
+            assert.include(result, "ok");
+            assert.notInclude(result, "not ok");
+            assert.include(result, "warning");
+        });
+    });
+
+    describe("when passed multiple messages with a severity of 1", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Foo.",
+                severity: 1,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }, {
+                message: "Baz.",
+                severity: 1,
+                line: 7,
+                column: 12,
+                ruleId: "baz"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.include(result, "ok");
+            assert.notInclude(result, "not ok");
+            assert.include(result, "messages");
+            assert.include(result, "Foo.");
+            assert.include(result, "line: 5");
+            assert.include(result, "column: 10");
+            assert.include(result, "Bar.");
+            assert.include(result, "line: 6");
+            assert.include(result, "column: 11");
+            assert.include(result, "Baz.");
+            assert.include(result, "line: 7");
+            assert.include(result, "column: 12");
+        });
+    });
+
+    describe("when passed multiple messages with different error severity", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }, {
+                message: "Unexpected baz.",
+                severity: 1,
+                line: 7,
+                column: 12,
+                ruleId: "baz"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.include(result, "not ok");
+            assert.include(result, "messages");
+            assert.include(result, "Unexpected foo.");
+            assert.include(result, "line: 5");
+            assert.include(result, "column: 10");
+            assert.include(result, "Unexpected bar.");
+            assert.include(result, "line: 6");
+            assert.include(result, "column: 11");
+            assert.include(result, "Unexpected baz.");
+            assert.include(result, "line: 7");
+            assert.include(result, "column: 12");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.include(result, "not ok 1");
+            assert.include(result, "ok 2");
+            assert.notInclude(result, "not ok 2");
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }]
+        }];
+
+        it("should return a string without line and column", () => {
+            const result = formatter(code);
+
+            assert.include(result, "line: 0");
+            assert.include(result, "column: 0");
+            assert.include(result, "severity: error");
+            assert.include(result, "1..1");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/unix.js b/eslint/tests/lib/cli-engine/formatters/unix.js
new file mode 100644
index 0000000..5d9a320
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/unix.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Tests for unix-style formatter.
+ * @author oshi-shinobu
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/unix");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:compact", () => {
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: []
+        }];
+
+        it("should return nothing", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "");
+        });
+    });
+
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename:line:column: error [Error/rule_id]", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:5:10: Unexpected foo. [Error/foo]\n\n1 problem");
+        });
+
+        it("should return a string in the format filename:line:column: warning [Warning/rule_id]", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:5:10: Unexpected foo. [Warning/foo]\n\n1 problem");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename:line:column: error [Error/rule_id]", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:5:10: Unexpected foo. [Error/foo]\n\n1 problem");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:5:10: Unexpected foo. [Error/foo]\nfoo.js:6:11: Unexpected bar. [Warning/bar]\n\n2 problems");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:5:10: Unexpected foo. [Error/foo]\nbar.js:6:11: Unexpected bar. [Warning/bar]\n\n2 problems");
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }]
+        }];
+
+        it("should return a string without line and column", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js:0:0: Couldn't find foo.js. [Error]\n\n1 problem");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/formatters/visualstudio.js b/eslint/tests/lib/cli-engine/formatters/visualstudio.js
new file mode 100644
index 0000000..c4ce358
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/formatters/visualstudio.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Tests for VisualStudio format.
+ * @author Ronald Pijnacker
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    formatter = require("../../../../lib/cli-engine/formatters/visualstudio");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("formatter:visualstudio", () => {
+    describe("when passed no messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: []
+        }];
+
+        it("should return nothing", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "no problems");
+        });
+    });
+
+    describe("when passed a single message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename(x,y): error z for errors", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(5,10): error foo : Unexpected foo.\n\n1 problem");
+        });
+
+        it("should return a string in the format filename(x,y): warning z for warnings", () => {
+            code[0].messages[0].severity = 1;
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(5,10): warning foo : Unexpected foo.\n\n1 problem");
+        });
+    });
+
+    describe("when passed a fatal error message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Unexpected foo.",
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }];
+
+        it("should return a string in the format filename(x,y): error  z", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(5,10): error foo : Unexpected foo.\n\n1 problem");
+        });
+    });
+
+    describe("when passed multiple messages", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }, {
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(5,10): error foo : Unexpected foo.\nfoo.js(6,11): warning bar : Unexpected bar.\n\n2 problems");
+        });
+    });
+
+    describe("when passed multiple files with 1 message each", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                message: "Unexpected foo.",
+                severity: 2,
+                line: 5,
+                column: 10,
+                ruleId: "foo"
+            }]
+        }, {
+            filePath: "bar.js",
+            messages: [{
+                message: "Unexpected bar.",
+                severity: 1,
+                line: 6,
+                column: 11,
+                ruleId: "bar"
+            }]
+        }];
+
+        it("should return a string with multiple entries", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(5,10): error foo : Unexpected foo.\nbar.js(6,11): warning bar : Unexpected bar.\n\n2 problems");
+        });
+    });
+
+    describe("when passed one file not found message", () => {
+        const code = [{
+            filePath: "foo.js",
+            messages: [{
+                fatal: true,
+                message: "Couldn't find foo.js."
+            }]
+        }];
+
+        it("should return a string without line and column", () => {
+            const result = formatter(code);
+
+            assert.strictEqual(result, "foo.js(0): error : Couldn't find foo.js.\n\n1 problem");
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/lint-result-cache.js b/eslint/tests/lib/cli-engine/lint-result-cache.js
new file mode 100644
index 0000000..a3b6ee3
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/lint-result-cache.js
@@ -0,0 +1,335 @@
+/**
+ * @fileoverview Unit tests for lint result cache.
+ * @author Kevin Partington
+ */
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    { CLIEngine } = require("../../../lib/cli-engine"),
+    fs = require("fs"),
+    path = require("path"),
+    proxyquire = require("proxyquire"),
+    sinon = require("sinon");
+
+//-----------------------------------------------------------------------------
+// Tests
+//-----------------------------------------------------------------------------
+
+describe("LintResultCache", () => {
+    const fixturePath = path.resolve(__dirname, "../../fixtures/lint-result-cache");
+    const cacheFileLocation = path.join(fixturePath, ".eslintcache");
+    const fileEntryCacheStubs = {};
+
+    let LintResultCache,
+        hashStub,
+        fakeConfig,
+        fakeErrorResults,
+        fakeErrorResultsAutofix;
+
+    before(() => {
+        hashStub = sinon.stub();
+
+        let shouldFix = false;
+
+        // Get lint results for test fixtures
+        const cliEngine = new CLIEngine({
+            cache: false,
+            ignore: false,
+            globInputPaths: false,
+            fix: () => shouldFix
+        });
+
+        // Get results without autofixing...
+        fakeErrorResults = cliEngine.executeOnFiles([path.join(fixturePath, "test-with-errors.js")]).results[0];
+
+        // ...and with autofixing
+        shouldFix = true;
+        fakeErrorResultsAutofix = cliEngine.executeOnFiles([path.join(fixturePath, "test-with-errors.js")]).results[0];
+
+        // Set up LintResultCache with fake fileEntryCache module
+        LintResultCache = proxyquire("../../../lib/cli-engine/lint-result-cache.js", {
+            "file-entry-cache": fileEntryCacheStubs,
+            "./hash": hashStub
+        });
+    });
+
+    afterEach(done => {
+        sinon.reset();
+
+        fs.unlink(cacheFileLocation, err => {
+            if (err && err.code !== "ENOENT") {
+                return done(err);
+            }
+
+            return done();
+        });
+    });
+
+    describe("constructor", () => {
+        it("should throw an error if cache file path is not provided", () => {
+            assert.throws(() => new LintResultCache(), /Cache file location is required/u);
+        });
+
+        it("should successfully create an instance if cache file location is provided", () => {
+            const instance = new LintResultCache(cacheFileLocation);
+
+            assert.ok(instance, "Instance should have been created successfully");
+        });
+    });
+
+    describe("getCachedLintResults", () => {
+        const filePath = path.join(fixturePath, "test-with-errors.js");
+        const hashOfConfig = "hashOfConfig";
+
+        let cacheEntry,
+            getFileDescriptorStub,
+            lintResultsCache;
+
+        before(() => {
+            getFileDescriptorStub = sinon.stub();
+
+            fileEntryCacheStubs.create = () => ({
+                getFileDescriptor: getFileDescriptorStub
+            });
+        });
+
+        after(() => {
+            delete fileEntryCacheStubs.create;
+        });
+
+        beforeEach(() => {
+            cacheEntry = {
+                meta: {
+
+                    // Serialized results will have null source
+                    results: Object.assign({}, fakeErrorResults, { source: null }),
+
+                    hashOfConfig
+                }
+            };
+
+            getFileDescriptorStub.withArgs(filePath)
+                .returns(cacheEntry);
+
+            fakeConfig = {};
+
+            lintResultsCache = new LintResultCache(cacheFileLocation);
+        });
+
+        describe("when calculating the hashing", () => {
+            it("contains eslint version during hashing", () => {
+                const version = "eslint-=-version";
+                const NewLintResultCache = proxyquire("../../../lib/cli-engine/lint-result-cache.js", {
+                    "../../package.json": { version },
+                    "./hash": hashStub
+                });
+                const newLintResultCache = new NewLintResultCache(cacheFileLocation);
+
+                newLintResultCache.getCachedLintResults(filePath, fakeConfig);
+                assert.ok(hashStub.calledOnce);
+                assert.ok(hashStub.calledWithMatch(version));
+            });
+
+            it("contains node version during hashing", () => {
+                const version = "node-=-version";
+
+                sinon.stub(process, "version").value(version);
+                const NewLintResultCache = proxyquire("../../../lib/cli-engine/lint-result-cache.js", {
+                    "./hash": hashStub
+                });
+                const newLintResultCache = new NewLintResultCache(cacheFileLocation);
+
+                newLintResultCache.getCachedLintResults(filePath, fakeConfig);
+                assert.ok(hashStub.calledOnce);
+                assert.ok(hashStub.calledWithMatch(version));
+            });
+        });
+
+        describe("When file is changed", () => {
+            beforeEach(() => {
+                hashStub.returns(hashOfConfig);
+                cacheEntry.changed = true;
+            });
+
+            it("should return null", () => {
+                const result = lintResultsCache.getCachedLintResults(filePath, fakeConfig);
+
+                assert.ok(getFileDescriptorStub.calledOnce);
+                assert.isNull(result);
+            });
+        });
+
+        describe("When config hash is changed", () => {
+            beforeEach(() => {
+                hashStub.returns("differentHash");
+            });
+
+            it("should return null", () => {
+                const result = lintResultsCache.getCachedLintResults(filePath, fakeConfig);
+
+                assert.ok(getFileDescriptorStub.calledOnce);
+                assert.isNull(result);
+            });
+        });
+
+        describe("When file is not found on filesystem", () => {
+            beforeEach(() => {
+                cacheEntry.notFound = true;
+                hashStub.returns(hashOfConfig);
+            });
+
+            it("should return null", () => {
+                const result = lintResultsCache.getCachedLintResults(filePath, fakeConfig);
+
+                assert.ok(getFileDescriptorStub.calledOnce);
+                assert.isNull(result);
+            });
+        });
+
+        describe("When file is present and unchanged and config is unchanged", () => {
+            beforeEach(() => {
+                hashStub.returns(hashOfConfig);
+            });
+
+            it("should return expected results", () => {
+                const result = lintResultsCache.getCachedLintResults(filePath, fakeConfig);
+
+                assert.deepStrictEqual(result, fakeErrorResults);
+                assert.ok(result.source, "source property should be hydrated from filesystem");
+            });
+        });
+    });
+
+    describe("setCachedLintResults", () => {
+        const filePath = path.join(fixturePath, "test-with-errors.js");
+        const hashOfConfig = "hashOfConfig";
+
+        let cacheEntry,
+            getFileDescriptorStub,
+            lintResultsCache;
+
+        before(() => {
+            getFileDescriptorStub = sinon.stub();
+
+            fileEntryCacheStubs.create = () => ({
+                getFileDescriptor: getFileDescriptorStub
+            });
+        });
+
+        after(() => {
+            delete fileEntryCacheStubs.create;
+        });
+
+        beforeEach(() => {
+            cacheEntry = {
+                meta: {}
+            };
+
+            getFileDescriptorStub.withArgs(filePath)
+                .returns(cacheEntry);
+
+            fakeConfig = {};
+
+            hashStub.returns(hashOfConfig);
+
+            lintResultsCache = new LintResultCache(cacheFileLocation);
+        });
+
+        describe("When lint result has output property", () => {
+            it("does not modify file entry", () => {
+                lintResultsCache.setCachedLintResults(filePath, fakeConfig, fakeErrorResultsAutofix);
+
+                assert.notProperty(cacheEntry.meta, "results");
+                assert.notProperty(cacheEntry.meta, "hashOfConfig");
+            });
+        });
+
+        describe("When file is not found on filesystem", () => {
+            beforeEach(() => {
+                cacheEntry.notFound = true;
+            });
+
+            it("does not modify file entry", () => {
+                lintResultsCache.setCachedLintResults(filePath, fakeConfig, fakeErrorResults);
+
+                assert.notProperty(cacheEntry.meta, "results");
+                assert.notProperty(cacheEntry.meta, "hashOfConfig");
+            });
+        });
+
+        describe("When file is found on filesystem", () => {
+            beforeEach(() => {
+                lintResultsCache.setCachedLintResults(filePath, fakeConfig, fakeErrorResults);
+            });
+
+            it("stores hash of config in file entry", () => {
+                assert.strictEqual(cacheEntry.meta.hashOfConfig, hashOfConfig);
+            });
+
+            it("stores results (except source) in file entry", () => {
+                const expectedCachedResults = Object.assign(
+                    {},
+                    fakeErrorResults,
+                    { source: null }
+                );
+
+                assert.deepStrictEqual(cacheEntry.meta.results, expectedCachedResults);
+            });
+        });
+
+        describe("When file is found and empty", () => {
+            beforeEach(() => {
+                lintResultsCache.setCachedLintResults(
+                    filePath,
+                    fakeConfig,
+                    Object.assign({}, fakeErrorResults, { source: "" })
+                );
+            });
+
+            it("stores hash of config in file entry", () => {
+                assert.strictEqual(cacheEntry.meta.hashOfConfig, hashOfConfig);
+            });
+
+            it("stores results (except source) in file entry", () => {
+                const expectedCachedResults = Object.assign(
+                    {},
+                    fakeErrorResults,
+                    { source: null }
+                );
+
+                assert.deepStrictEqual(cacheEntry.meta.results, expectedCachedResults);
+            });
+        });
+    });
+
+    describe("reconcile", () => {
+        let reconcileStub,
+            lintResultsCache;
+
+        before(() => {
+            reconcileStub = sinon.stub();
+
+            fileEntryCacheStubs.create = () => ({
+                reconcile: reconcileStub
+            });
+        });
+
+        after(() => {
+            delete fileEntryCacheStubs.create;
+        });
+
+        beforeEach(() => {
+            lintResultsCache = new LintResultCache(cacheFileLocation);
+        });
+
+        it("calls reconcile on the underlying cache", () => {
+            lintResultsCache.reconcile();
+
+            assert.isTrue(reconcileStub.calledOnce);
+        });
+    });
+});
diff --git a/eslint/tests/lib/cli-engine/load-rules.js b/eslint/tests/lib/cli-engine/load-rules.js
new file mode 100644
index 0000000..1ff1470
--- /dev/null
+++ b/eslint/tests/lib/cli-engine/load-rules.js
@@ -0,0 +1,25 @@
+/**
+ * @fileoverview Tests for loading rules from a directory
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const assert = require("chai").assert;
+const loadRules = require("../../../lib/cli-engine/load-rules");
+
+describe("when given an invalid rules directory", () => {
+    it("should throw an error", () => {
+        assert.throws(() => {
+            loadRules("invalidDir");
+        });
+    });
+});
+
+describe("when given a valid rules directory", () => {
+    it("should load rules and not throw an error", () => {
+        const rules = loadRules("tests/fixtures/rules", process.cwd());
+
+        assert.strictEqual(rules["fixture-rule"], require(require.resolve("../../fixtures/rules/fixture-rule")));
+    });
+});
diff --git a/eslint/tests/lib/cli.js b/eslint/tests/lib/cli.js
new file mode 100644
index 0000000..6af3b5c
--- /dev/null
+++ b/eslint/tests/lib/cli.js
@@ -0,0 +1,1195 @@
+/**
+ * @fileoverview Tests for cli.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+/*
+ * NOTE: If you are adding new tests for cli.js, use verifyCLIEngineOpts(). The
+ * test only needs to verify that CLIEngine receives the correct opts.
+ */
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    CLIEngine = require("../../lib/cli-engine/index").CLIEngine,
+    path = require("path"),
+    sinon = require("sinon"),
+    fs = require("fs"),
+    os = require("os"),
+    sh = require("shelljs");
+
+const proxyquire = require("proxyquire").noCallThru().noPreserveCache();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("cli", () => {
+    let fixtureDir;
+    const log = {
+        info: sinon.spy(),
+        error: sinon.spy()
+    };
+    const RuntimeInfo = {
+        environment: sinon.stub(),
+        version: sinon.stub()
+    };
+    const cli = proxyquire("../../lib/cli", {
+        "./shared/logging": log,
+        "./shared/runtime-info": RuntimeInfo
+    });
+
+    /**
+     * Verify that CLIEngine receives correct opts via cli.execute().
+     * @param {string} cmd CLI command.
+     * @param {Object} opts Options hash that should match that received by CLIEngine.
+     * @returns {void}
+     */
+    function verifyCLIEngineOpts(cmd, opts) {
+
+        // create a fake CLIEngine to test with
+        const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match(opts));
+
+        Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+        sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({});
+        sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(sinon.spy());
+
+        const localCLI = proxyquire("../../lib/cli", {
+            "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+            "./shared/logging": log
+        });
+
+        localCLI.execute(cmd);
+        sinon.verifyAndRestore();
+    }
+
+    // verifyCLIEngineOpts
+
+    /**
+     * Returns the path inside of the fixture directory.
+     * @param {...string} args file path segments.
+     * @returns {string} The path inside the fixture directory.
+     * @private
+     */
+    function getFixturePath(...args) {
+        return path.join(fixtureDir, ...args);
+    }
+
+    // copy into clean area so as not to get "infected" by this project's .eslintrc files
+    before(() => {
+        fixtureDir = `${os.tmpdir()}/eslint/fixtures`;
+        sh.mkdir("-p", fixtureDir);
+        sh.cp("-r", "./tests/fixtures/.", fixtureDir);
+    });
+
+    afterEach(() => {
+        log.info.resetHistory();
+        log.error.resetHistory();
+    });
+
+    after(() => {
+        sh.rm("-r", fixtureDir);
+    });
+
+    describe("execute()", () => {
+        it("should return error when text with incorrect quotes is passed as argument", () => {
+            const configFile = getFixturePath("configurations", "quotes-error.json");
+            const result = cli.execute(`-c ${configFile}`, "var foo = 'bar';");
+
+            assert.strictEqual(result, 1);
+        });
+
+        it("should not print debug info when passed the empty string as text", () => {
+            const result = cli.execute(["--stdin", "--no-eslintrc"], "");
+
+            assert.strictEqual(result, 0);
+            assert.isTrue(log.info.notCalled);
+        });
+
+        it("should return no error when --ext .js2 is specified", () => {
+            const filePath = getFixturePath("files");
+            const result = cli.execute(`--ext .js2 ${filePath}`);
+
+            assert.strictEqual(result, 0);
+        });
+
+        it("should exit with console error when passed unsupported arguments", () => {
+            const filePath = getFixturePath("files");
+            const result = cli.execute(`--blah --another ${filePath}`);
+
+            assert.strictEqual(result, 2);
+        });
+
+    });
+
+    describe("when given a config file", () => {
+        it("should load the specified config file", () => {
+            const configPath = getFixturePath(".eslintrc");
+            const filePath = getFixturePath("passing.js");
+
+            cli.execute(`--config ${configPath} ${filePath}`);
+        });
+    });
+
+    describe("when there is a local config file", () => {
+        const code = "lib/cli.js";
+
+        it("should load the local config file", () => {
+
+            // Mock CWD
+            process.eslintCwd = getFixturePath("configurations", "single-quotes");
+
+            cli.execute(code);
+
+            process.eslintCwd = null;
+        });
+    });
+
+    describe("when given a config with rules with options and severity level set to error", () => {
+        it("should exit with an error status (1)", () => {
+            const configPath = getFixturePath("configurations", "quotes-error.json");
+            const filePath = getFixturePath("single-quoted.js");
+            const code = `--no-ignore --config ${configPath} ${filePath}`;
+
+            const exitStatus = cli.execute(code);
+
+            assert.strictEqual(exitStatus, 1);
+        });
+    });
+
+    describe("when given a config file and a directory of files", () => {
+        it("should load and execute without error", () => {
+            const configPath = getFixturePath("configurations", "semi-error.json");
+            const filePath = getFixturePath("formatters");
+            const code = `--config ${configPath} ${filePath}`;
+
+            const exitStatus = cli.execute(code);
+
+            assert.strictEqual(exitStatus, 0);
+        });
+    });
+
+    describe("when given a config with environment set to browser", () => {
+        it("should execute without any errors", () => {
+            const configPath = getFixturePath("configurations", "env-browser.json");
+            const filePath = getFixturePath("globals-browser.js");
+            const code = `--config ${configPath} ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a config with environment set to Node.js", () => {
+        it("should execute without any errors", () => {
+            const configPath = getFixturePath("configurations", "env-node.json");
+            const filePath = getFixturePath("globals-node.js");
+            const code = `--config ${configPath} ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a config with environment set to Nashorn", () => {
+        it("should execute without any errors", () => {
+            const configPath = getFixturePath("configurations", "env-nashorn.json");
+            const filePath = getFixturePath("globals-nashorn.js");
+            const code = `--config ${configPath} ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a config with environment set to WebExtensions", () => {
+        it("should execute without any errors", () => {
+            const configPath = getFixturePath("configurations", "env-webextensions.json");
+            const filePath = getFixturePath("globals-webextensions.js");
+            const code = `--config ${configPath} ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a valid built-in formatter name", () => {
+        it("should execute without any errors", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`-f checkstyle ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a valid built-in formatter name that uses rules meta.", () => {
+        it("should execute without any errors", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`-f json-with-metadata ${filePath} --no-eslintrc`);
+
+            assert.strictEqual(exit, 0);
+
+            // Check metadata.
+            const { metadata } = JSON.parse(log.info.args[0][0]);
+            const rules = new CLIEngine({ useEslintrc: false }).getRules();
+            const expectedMetadata = Array.from(rules).reduce((obj, [ruleId, rule]) => {
+                obj.rulesMeta[ruleId] = rule.meta;
+                return obj;
+            }, { rulesMeta: {} });
+
+            assert.deepStrictEqual(metadata, expectedMetadata);
+        });
+    });
+
+    describe("when given an invalid built-in formatter name", () => {
+        it("should execute with error", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`-f fakeformatter ${filePath}`);
+
+            assert.strictEqual(exit, 2);
+        });
+    });
+
+    describe("when given a valid formatter path", () => {
+        it("should execute without any errors", () => {
+            const formatterPath = getFixturePath("formatters", "simple.js");
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`-f ${formatterPath} ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given an invalid formatter path", () => {
+        it("should execute with error", () => {
+            const formatterPath = getFixturePath("formatters", "file-does-not-exist.js");
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`-f ${formatterPath} ${filePath}`);
+
+            assert.strictEqual(exit, 2);
+        });
+    });
+
+    describe("when executing a file with a lint error", () => {
+        it("should exit with error", () => {
+            const filePath = getFixturePath("undef.js");
+            const code = `--no-ignore --rule no-undef:2 ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 1);
+        });
+    });
+
+    describe("when using --fix-type without --fix or --fix-dry-run", () => {
+        it("should exit with error", () => {
+            const filePath = getFixturePath("passing.js");
+            const code = `--fix-type suggestion ${filePath}`;
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 2);
+        });
+    });
+
+    describe("when executing a file with a syntax error", () => {
+        it("should exit with error", () => {
+            const filePath = getFixturePath("syntax-error.js");
+            const exit = cli.execute(`--no-ignore ${filePath}`);
+
+            assert.strictEqual(exit, 1);
+        });
+    });
+
+    describe("when calling execute more than once", () => {
+        it("should not print the results from previous execution", () => {
+            const filePath = getFixturePath("missing-semicolon.js");
+            const passingPath = getFixturePath("passing.js");
+
+            cli.execute(`--no-ignore --rule semi:2 ${filePath}`);
+
+            assert.isTrue(log.info.called, "Log should have been called.");
+
+            log.info.resetHistory();
+
+            cli.execute(`--no-ignore --rule semi:2 ${passingPath}`);
+            assert.isTrue(log.info.notCalled);
+
+        });
+    });
+
+    describe("when executing with version flag", () => {
+        it("should print out current version", () => {
+            assert.strictEqual(cli.execute("-v"), 0);
+            assert.strictEqual(log.info.callCount, 1);
+        });
+    });
+
+    describe("when executing with env-info flag", () => {
+        it("should print out environment information", () => {
+            assert.strictEqual(cli.execute("--env-info"), 0);
+            assert.strictEqual(log.info.callCount, 1);
+        });
+
+        it("should print error message and return error code", () => {
+            RuntimeInfo.environment.throws("There was an error!");
+
+            assert.strictEqual(cli.execute("--env-info"), 2);
+            assert.strictEqual(log.error.callCount, 1);
+        });
+    });
+
+    describe("when executing without no-error-on-unmatched-pattern flag", () => {
+        it("should throw an error on unmatched glob pattern", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const globPattern = "*.js3";
+
+            assert.throws(() => {
+                cli.execute(`"${filePath}/${globPattern}"`);
+            }, `No files matching '${filePath}/${globPattern}' were found.`);
+        });
+
+        it("should throw an error on unmatched --ext", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const extension = ".js3";
+
+            assert.throws(() => {
+                cli.execute(`--ext ${extension} ${filePath}`);
+            }, `No files matching '${filePath}' were found`);
+        });
+    });
+
+    describe("when executing with no-error-on-unmatched-pattern flag", () => {
+        it("should not throw an error on unmatched node glob syntax patterns", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern "${filePath}/*.js3"`);
+
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should not throw an error on unmatched --ext", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern --ext .js3 ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when executing with no-error-on-unmatched-pattern flag and multiple patterns", () => {
+        it("should not throw an error on multiple unmatched node glob syntax patterns", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern ${filePath}/*.js3 ${filePath}/*.js4`);
+
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should still throw an error on when a matched pattern has lint errors", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern ${filePath}/*.js3 ${filePath}/*.js`);
+
+            assert.strictEqual(exit, 1);
+        });
+    });
+
+    describe("when executing with no-error-on-unmatched-pattern flag and multiple --ext arguments", () => {
+        it("should not throw an error on multiple unmatched --ext arguments", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern --ext .js3 --ext .js4 ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should still throw an error on when a matched pattern has lint errors", () => {
+            const filePath = getFixturePath("unmatched-patterns");
+            const exit = cli.execute(`--no-error-on-unmatched-pattern --ext .js3 --ext .js ${filePath}`);
+
+            assert.strictEqual(exit, 1);
+        });
+    });
+
+    describe("when executing with help flag", () => {
+        it("should print out help", () => {
+            assert.strictEqual(cli.execute("-h"), 0);
+            assert.strictEqual(log.info.callCount, 1);
+        });
+    });
+
+    describe("when given a directory with eslint excluded files in the directory", () => {
+        it("should throw an error and not process any files", () => {
+            const ignorePath = getFixturePath(".eslintignore");
+            const filePath = getFixturePath("cli");
+
+            assert.throws(() => {
+                cli.execute(`--ignore-path ${ignorePath} ${filePath}`);
+            }, `All files matched by '${filePath}' are ignored.`);
+        });
+    });
+
+    describe("when given a file in excluded files list", () => {
+        it("should not process the file", () => {
+            const ignorePath = getFixturePath(".eslintignore");
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`--ignore-path ${ignorePath} ${filePath}`);
+
+            // a warning about the ignored file
+            assert.isTrue(log.info.called);
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should process the file when forced", () => {
+            const ignorePath = getFixturePath(".eslintignore");
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`--ignore-path ${ignorePath} --no-ignore ${filePath}`);
+
+            // no warnings
+            assert.isFalse(log.info.called);
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given a pattern to ignore", () => {
+        it("should not process any files", () => {
+            const ignoredFile = getFixturePath("cli/syntax-error.js");
+            const filePath = getFixturePath("cli/passing.js");
+            const exit = cli.execute(`--ignore-pattern cli/ ${ignoredFile} ${filePath}`);
+
+            // warnings about the ignored files
+            assert.isTrue(log.info.called);
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given patterns to ignore", () => {
+        it("should not process any matching files", () => {
+            const ignorePaths = ["a", "b"];
+
+            const cmd = ignorePaths.map(ignorePath => `--ignore-pattern ${ignorePath}`).concat(".").join(" ");
+
+            const opts = {
+                ignorePattern: ignorePaths
+            };
+
+            verifyCLIEngineOpts(cmd, opts);
+        });
+    });
+
+    describe("when executing a file with a shebang", () => {
+        it("should execute without error", () => {
+            const filePath = getFixturePath("shebang.js");
+            const exit = cli.execute(`--no-ignore ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when loading a custom rule", () => {
+        it("should return an error when rule isn't found", () => {
+            const rulesPath = getFixturePath("rules", "wrong");
+            const configPath = getFixturePath("rules", "eslint.json");
+            const filePath = getFixturePath("rules", "test", "test-custom-rule.js");
+            const code = `--rulesdir ${rulesPath} --config ${configPath} --no-ignore ${filePath}`;
+
+            assert.throws(() => {
+                const exit = cli.execute(code);
+
+                assert.strictEqual(exit, 2);
+            }, /Error while loading rule 'custom-rule': Cannot read property/u);
+        });
+
+        it("should return a warning when rule is matched", () => {
+            const rulesPath = getFixturePath("rules");
+            const configPath = getFixturePath("rules", "eslint.json");
+            const filePath = getFixturePath("rules", "test", "test-custom-rule.js");
+            const code = `--rulesdir ${rulesPath} --config ${configPath} --no-ignore ${filePath}`;
+
+            cli.execute(code);
+
+            assert.isTrue(log.info.calledOnce);
+            assert.isTrue(log.info.neverCalledWith(""));
+        });
+
+        it("should return warnings from multiple rules in different directories", () => {
+            const rulesPath = getFixturePath("rules", "dir1");
+            const rulesPath2 = getFixturePath("rules", "dir2");
+            const configPath = getFixturePath("rules", "multi-rulesdirs.json");
+            const filePath = getFixturePath("rules", "test-multi-rulesdirs.js");
+            const code = `--rulesdir ${rulesPath} --rulesdir ${rulesPath2} --config ${configPath} --no-ignore ${filePath}`;
+            const exit = cli.execute(code);
+
+            const call = log.info.getCall(0);
+
+            assert.isTrue(log.info.calledOnce);
+            assert.isTrue(call.args[0].indexOf("String!") > -1);
+            assert.isTrue(call.args[0].indexOf("Literal!") > -1);
+            assert.isTrue(call.args[0].indexOf("2 problems") > -1);
+            assert.isTrue(log.info.neverCalledWith(""));
+            assert.strictEqual(exit, 1);
+        });
+
+
+    });
+
+    describe("when executing with no-eslintrc flag", () => {
+        it("should ignore a local config file", () => {
+            const filePath = getFixturePath("eslintrc", "quotes.js");
+            const exit = cli.execute(`--no-eslintrc --no-ignore ${filePath}`);
+
+            assert.isTrue(log.info.notCalled);
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when executing without no-eslintrc flag", () => {
+        it("should load a local config file", () => {
+            const filePath = getFixturePath("eslintrc", "quotes.js");
+            const exit = cli.execute(`--no-ignore ${filePath}`);
+
+            assert.isTrue(log.info.calledOnce);
+            assert.strictEqual(exit, 1);
+        });
+    });
+
+    describe("when executing without env flag", () => {
+        it("should not define environment-specific globals", () => {
+            const files = [
+                getFixturePath("globals-browser.js"),
+                getFixturePath("globals-node.js")
+            ];
+
+            cli.execute(`--no-eslintrc --config ./conf/eslint-recommended.js --no-ignore ${files.join(" ")}`);
+
+            assert.strictEqual(log.info.args[0][0].split("\n").length, 10);
+        });
+    });
+
+    describe("when executing with global flag", () => {
+        it("should default defined variables to read-only", () => {
+            const filePath = getFixturePath("undef.js");
+            const exit = cli.execute(`--global baz,bat --no-ignore --rule no-global-assign:2 ${filePath}`);
+
+            assert.isTrue(log.info.calledOnce);
+            assert.strictEqual(exit, 1);
+        });
+
+        it("should allow defining writable global variables", () => {
+            const filePath = getFixturePath("undef.js");
+            const exit = cli.execute(`--global baz:false,bat:true --no-ignore ${filePath}`);
+
+            assert.isTrue(log.info.notCalled);
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should allow defining variables with multiple flags", () => {
+            const filePath = getFixturePath("undef.js");
+            const exit = cli.execute(`--global baz --global bat:true --no-ignore ${filePath}`);
+
+            assert.isTrue(log.info.notCalled);
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when supplied with rule flag and severity level set to error", () => {
+        it("should exit with an error status (2)", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const code = `--no-ignore --rule 'quotes: [2, double]' ${filePath}`;
+            const exitStatus = cli.execute(code);
+
+            assert.strictEqual(exitStatus, 1);
+        });
+    });
+
+    describe("when the quiet option is enabled", () => {
+
+        it("should only print error", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const cliArgs = `--no-ignore --quiet  -f compact --rule 'quotes: [2, double]' --rule 'no-unused-vars: 1' ${filePath}`;
+
+            cli.execute(cliArgs);
+
+            sinon.assert.calledOnce(log.info);
+
+            const formattedOutput = log.info.firstCall.args[0];
+
+            assert.include(formattedOutput, "Error");
+            assert.notInclude(formattedOutput, "Warning");
+        });
+
+        it("should print nothing if there are no errors", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const cliArgs = `--quiet  -f compact --rule 'quotes: [1, double]' --rule 'no-unused-vars: 1' ${filePath}`;
+
+            cli.execute(cliArgs);
+
+            sinon.assert.notCalled(log.info);
+        });
+    });
+
+    describe("when supplied with report output file path", () => {
+        afterEach(() => {
+            sh.rm("-rf", "tests/output");
+        });
+
+        it("should write the file and create dirs if they don't exist", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const code = `--no-ignore --rule 'quotes: [1, double]' --o tests/output/eslint-output.txt ${filePath}`;
+
+            cli.execute(code);
+
+            assert.include(fs.readFileSync("tests/output/eslint-output.txt", "utf8"), filePath);
+            assert.isTrue(log.info.notCalled);
+        });
+
+        it("should return an error if the path is a directory", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const code = `--no-ignore --rule 'quotes: [1, double]' --o tests/output ${filePath}`;
+
+            fs.mkdirSync("tests/output");
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 2);
+            assert.isTrue(log.info.notCalled);
+            assert.isTrue(log.error.calledOnce);
+        });
+
+        it("should return an error if the path could not be written to", () => {
+            const filePath = getFixturePath("single-quoted.js");
+            const code = `--no-ignore --rule 'quotes: [1, double]' --o tests/output/eslint-output.txt ${filePath}`;
+
+            fs.writeFileSync("tests/output", "foo");
+
+            const exit = cli.execute(code);
+
+            assert.strictEqual(exit, 2);
+            assert.isTrue(log.info.notCalled);
+            assert.isTrue(log.error.calledOnce);
+        });
+    });
+
+    describe("when supplied with a plugin", () => {
+        it("should pass plugins to CLIEngine", () => {
+            const examplePluginName = "eslint-plugin-example";
+
+            verifyCLIEngineOpts(`--no-ignore --plugin ${examplePluginName} foo.js`, {
+                plugins: [examplePluginName]
+            });
+        });
+
+    });
+
+    describe("when supplied with a plugin-loading path", () => {
+        it("should pass the option to CLIEngine", () => {
+            const examplePluginDirPath = "foo/bar";
+
+            verifyCLIEngineOpts(`--resolve-plugins-relative-to ${examplePluginDirPath} foo.js`, {
+                resolvePluginsRelativeTo: examplePluginDirPath
+            });
+        });
+    });
+
+    describe("when given an parser name", () => {
+        it("should exit with a fatal error if parser is invalid", () => {
+            const filePath = getFixturePath("passing.js");
+
+            assert.throws(() => cli.execute(`--no-ignore --parser test111 ${filePath}`), "Cannot find module 'test111'");
+        });
+
+        it("should exit with no error if parser is valid", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`--no-ignore --parser espree ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given parser options", () => {
+        it("should exit with error if parser options are invalid", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`--no-ignore --parser-options test111 ${filePath}`);
+
+            assert.strictEqual(exit, 2);
+        });
+
+        it("should exit with no error if parser is valid", () => {
+            const filePath = getFixturePath("passing.js");
+            const exit = cli.execute(`--no-ignore --parser-options=ecmaVersion:6 ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should exit with an error on ecmaVersion 7 feature in ecmaVersion 6", () => {
+            const filePath = getFixturePath("passing-es7.js");
+            const exit = cli.execute(`--no-ignore --parser-options=ecmaVersion:6 ${filePath}`);
+
+            assert.strictEqual(exit, 1);
+        });
+
+        it("should exit with no error on ecmaVersion 7 feature in ecmaVersion 7", () => {
+            const filePath = getFixturePath("passing-es7.js");
+            const exit = cli.execute(`--no-ignore --parser-options=ecmaVersion:7 ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+
+        it("should exit with no error on ecmaVersion 7 feature with config ecmaVersion 6 and command line ecmaVersion 7", () => {
+            const configPath = getFixturePath("configurations", "es6.json");
+            const filePath = getFixturePath("passing-es7.js");
+            const exit = cli.execute(`--no-ignore --config ${configPath} --parser-options=ecmaVersion:7 ${filePath}`);
+
+            assert.strictEqual(exit, 0);
+        });
+    });
+
+    describe("when given the max-warnings flag", () => {
+        it("should not change exit code if warning count under threshold", () => {
+            const filePath = getFixturePath("max-warnings");
+            const exitCode = cli.execute(`--no-ignore --max-warnings 10 ${filePath}`);
+
+            assert.strictEqual(exitCode, 0);
+        });
+
+        it("should exit with exit code 1 if warning count exceeds threshold", () => {
+            const filePath = getFixturePath("max-warnings");
+            const exitCode = cli.execute(`--no-ignore --max-warnings 5 ${filePath}`);
+
+            assert.strictEqual(exitCode, 1);
+            assert.ok(log.error.calledOnce);
+            assert.include(log.error.getCall(0).args[0], "ESLint found too many warnings");
+        });
+
+        it("should not change exit code if warning count equals threshold", () => {
+            const filePath = getFixturePath("max-warnings");
+            const exitCode = cli.execute(`--no-ignore --max-warnings 6 ${filePath}`);
+
+            assert.strictEqual(exitCode, 0);
+        });
+
+        it("should not change exit code if flag is not specified and there are warnings", () => {
+            const filePath = getFixturePath("max-warnings");
+            const exitCode = cli.execute(filePath);
+
+            assert.strictEqual(exitCode, 0);
+        });
+    });
+
+    describe("when passed --no-inline-config", () => {
+        let localCLI;
+
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        it("should pass allowInlineConfig:true to CLIEngine when --no-inline-config is used", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ allowInlineConfig: false }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({
+                errorCount: 1,
+                warningCount: 0,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 2,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            });
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            fakeCLIEngine.outputFixes = sinon.stub();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            localCLI.execute("--no-inline-config .");
+        });
+
+        it("should not error and allowInlineConfig should be true by default", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ allowInlineConfig: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({
+                errorCount: 0,
+                warningCount: 0,
+                results: []
+            });
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.stub();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute(".");
+
+            assert.strictEqual(exitCode, 0);
+
+        });
+
+    });
+
+    describe("when passed --fix", () => {
+        let localCLI;
+
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        it("should pass fix:true to CLIEngine when executing on files", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({
+                errorCount: 0,
+                warningCount: 0,
+                results: []
+            });
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.mock().once();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix .");
+
+            assert.strictEqual(exitCode, 0);
+
+        });
+
+
+        it("should rewrite files when in fix mode", () => {
+
+            const report = {
+                errorCount: 1,
+                warningCount: 0,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 2,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns(report);
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.mock().withExactArgs(report);
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix .");
+
+            assert.strictEqual(exitCode, 1);
+
+        });
+
+        it("should provide fix predicate and rewrite files when in fix mode and quiet mode", () => {
+
+            const report = {
+                errorCount: 0,
+                warningCount: 1,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 1,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: sinon.match.func }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns(report);
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.getErrorResults = sinon.stub().returns([]);
+            fakeCLIEngine.outputFixes = sinon.mock().withExactArgs(report);
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix --quiet .");
+
+            assert.strictEqual(exitCode, 0);
+
+        });
+
+        it("should not call CLIEngine and return 1 when executing on text", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix .", "foo = bar;");
+
+            assert.strictEqual(exitCode, 2);
+        });
+
+    });
+
+    describe("when passed --fix-dry-run", () => {
+        let localCLI;
+
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        it("should pass fix:true to CLIEngine when executing on files", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({
+                errorCount: 0,
+                warningCount: 0,
+                results: []
+            });
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix-dry-run .");
+
+            assert.strictEqual(exitCode, 0);
+
+        });
+
+        it("should pass fixTypes to CLIEngine when --fix-type is passed", () => {
+
+            const expectedCLIEngineOptions = {
+                fix: true,
+                fixTypes: ["suggestion"]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match(expectedCLIEngineOptions));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns({
+                errorCount: 0,
+                warningCount: 0,
+                results: []
+            });
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.stub();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix-dry-run --fix-type suggestion .");
+
+            assert.strictEqual(exitCode, 0);
+        });
+
+        it("should not rewrite files when in fix-dry-run mode", () => {
+
+            const report = {
+                errorCount: 1,
+                warningCount: 0,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 2,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns(report);
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix-dry-run .");
+
+            assert.strictEqual(exitCode, 1);
+
+        });
+
+        it("should provide fix predicate when in fix-dry-run mode and quiet mode", () => {
+
+            const report = {
+                errorCount: 0,
+                warningCount: 1,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 1,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: sinon.match.func }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnFiles").returns(report);
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.getErrorResults = sinon.stub().returns([]);
+            fakeCLIEngine.outputFixes = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix-dry-run --quiet .");
+
+            assert.strictEqual(exitCode, 0);
+
+        });
+
+        it("should allow executing on text", () => {
+
+            const report = {
+                errorCount: 1,
+                warningCount: 0,
+                results: [{
+                    filePath: "./foo.js",
+                    output: "bar",
+                    messages: [
+                        {
+                            severity: 2,
+                            message: "Fake message"
+                        }
+                    ]
+                }]
+            };
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({ fix: true }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnText").returns(report);
+            sinon.stub(fakeCLIEngine.prototype, "getFormatter").returns(() => "done");
+            sinon.stub(fakeCLIEngine.prototype, "getRules").returns(new Map());
+            fakeCLIEngine.outputFixes = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix-dry-run .", "foo = bar;");
+
+            assert.strictEqual(exitCode, 1);
+        });
+
+        it("should not call CLIEngine and return 1 when used with --fix", () => {
+
+            // create a fake CLIEngine to test with
+            const fakeCLIEngine = sinon.mock().never();
+
+            localCLI = proxyquire("../../lib/cli", {
+                "./cli-engine/index": { CLIEngine: fakeCLIEngine },
+                "./shared/logging": log
+            });
+
+            const exitCode = localCLI.execute("--fix --fix-dry-run .", "foo = bar;");
+
+            assert.strictEqual(exitCode, 2);
+        });
+    });
+
+    describe("when passing --print-config", () => {
+        it("should print out the configuration", () => {
+            const filePath = getFixturePath("xxxx");
+
+            const exitCode = cli.execute(`--print-config ${filePath}`);
+
+            assert.isTrue(log.info.calledOnce);
+            assert.strictEqual(exitCode, 0);
+        });
+
+        it("should error if any positional file arguments are passed", () => {
+            const filePath1 = getFixturePath("files", "bar.js");
+            const filePath2 = getFixturePath("files", "foo.js");
+
+            const exitCode = cli.execute(`--print-config ${filePath1} ${filePath2}`);
+
+            assert.isTrue(log.info.notCalled);
+            assert.isTrue(log.error.calledOnce);
+            assert.strictEqual(exitCode, 2);
+        });
+
+        it("should error out when executing on text", () => {
+            const exitCode = cli.execute("--print-config=myFile.js", "foo = bar;");
+
+            assert.isTrue(log.info.notCalled);
+            assert.isTrue(log.error.calledOnce);
+            assert.strictEqual(exitCode, 2);
+        });
+    });
+
+});
diff --git a/eslint/tests/lib/init/autoconfig.js b/eslint/tests/lib/init/autoconfig.js
new file mode 100644
index 0000000..3ce766a
--- /dev/null
+++ b/eslint/tests/lib/init/autoconfig.js
@@ -0,0 +1,331 @@
+/**
+ * @fileoverview Used for creating a suggested configuration based on project code.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    autoconfig = require("../../../lib/init/autoconfig"),
+    sourceCodeUtils = require("../../../lib/init/source-code-utils"),
+    baseDefaultOptions = require("../../../conf/default-cli-options");
+
+const defaultOptions = Object.assign({}, baseDefaultOptions, { cwd: process.cwd() });
+
+//------------------------------------------------------------------------------
+// Data
+//------------------------------------------------------------------------------
+
+const SOURCE_CODE_FIXTURE_FILENAME = "./tests/fixtures/autoconfig/source.js";
+const CONFIG_COMMENTS_FILENAME = "./tests/fixtures/autoconfig/source-with-comments.js";
+const SEVERITY = 2;
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const rulesConfig = {
+    semi: [SEVERITY, [SEVERITY, "always"], [SEVERITY, "never"]],
+    "semi-spacing": [SEVERITY,
+        [SEVERITY, { before: true, after: true }],
+        [SEVERITY, { before: true, after: false }],
+        [SEVERITY, { before: false, after: true }],
+        [SEVERITY, { before: false, after: false }]
+    ],
+    quotes: [SEVERITY,
+        [SEVERITY, "single"],
+        [SEVERITY, "double"],
+        [SEVERITY, "backtick"],
+        [SEVERITY, "single", "avoid-escape"],
+        [SEVERITY, "double", "avoid-escape"],
+        [SEVERITY, "backtick", "avoid-escape"]]
+};
+
+const errorRulesConfig = {
+    "no-unused-vars": [SEVERITY],
+    "semi-spacing": [SEVERITY,
+        [SEVERITY, { before: true, after: true }],
+        [SEVERITY, { before: true, after: false }],
+        [SEVERITY, { before: false, after: true }],
+        [SEVERITY, { before: false, after: false }]
+    ]
+};
+
+describe("autoconfig", () => {
+
+    describe("Registry", () => {
+
+        it("should set up a registry for rules in a provided rulesConfig", () => {
+            const expectedRules = Object.keys(rulesConfig);
+            const registry = new autoconfig.Registry(rulesConfig);
+
+            assert.strictEqual(Object.keys(registry.rules).length, 3);
+            assert.sameMembers(Object.keys(registry.rules), expectedRules);
+            assert.isArray(registry.rules.semi);
+            assert.isArray(registry.rules["semi-spacing"]);
+            assert.isArray(registry.rules.quotes);
+            assert.lengthOf(registry.rules.semi, 3);
+            assert.lengthOf(registry.rules["semi-spacing"], 5);
+            assert.lengthOf(registry.rules.quotes, 7);
+        });
+
+        it("should not have any rules if constructed without a config argument", () => {
+            const registry = new autoconfig.Registry();
+
+            assert.isObject(registry.rules);
+            assert.lengthOf(Object.keys(registry.rules), 0);
+        });
+
+        it("should create registryItems for each rule with the proper keys", () => {
+            const registry = new autoconfig.Registry(rulesConfig);
+
+            assert.isObject(registry.rules.semi[0]);
+            assert.isObject(registry.rules["semi-spacing"][0]);
+            assert.isObject(registry.rules.quotes[0]);
+            assert.property(registry.rules.semi[0], "config");
+            assert.property(registry.rules.semi[0], "specificity");
+            assert.property(registry.rules.semi[0], "errorCount");
+        });
+
+        it("should populate the config property correctly", () => {
+            const registry = new autoconfig.Registry(rulesConfig);
+
+            assert.strictEqual(registry.rules.quotes[0].config, SEVERITY);
+            assert.deepStrictEqual(registry.rules.quotes[1].config, [SEVERITY, "single"]);
+            assert.deepStrictEqual(registry.rules.quotes[2].config, [SEVERITY, "double"]);
+            assert.deepStrictEqual(registry.rules.quotes[3].config, [SEVERITY, "backtick"]);
+            assert.deepStrictEqual(registry.rules.quotes[4].config, [SEVERITY, "single", "avoid-escape"]);
+            assert.deepStrictEqual(registry.rules.quotes[5].config, [SEVERITY, "double", "avoid-escape"]);
+            assert.deepStrictEqual(registry.rules.quotes[6].config, [SEVERITY, "backtick", "avoid-escape"]);
+        });
+
+        it("should assign the correct specificity", () => {
+            const registry = new autoconfig.Registry(rulesConfig);
+
+            assert.strictEqual(registry.rules.quotes[0].specificity, 1);
+            assert.strictEqual(registry.rules.quotes[1].specificity, 2);
+            assert.strictEqual(registry.rules.quotes[6].specificity, 3);
+        });
+
+        it("should initially leave the errorCount as undefined", () => {
+            const registry = new autoconfig.Registry(rulesConfig);
+
+            assert.isUndefined(registry.rules.quotes[0].errorCount);
+            assert.isUndefined(registry.rules.quotes[1].errorCount);
+            assert.isUndefined(registry.rules.quotes[6].errorCount);
+        });
+
+        describe("populateFromCoreRules()", () => {
+
+            it("should add core rules to registry", () => {
+                const registry = new autoconfig.Registry();
+
+                registry.populateFromCoreRules();
+                const finalRuleCount = Object.keys(registry.rules).length;
+
+                assert(finalRuleCount > 0);
+                assert.include(Object.keys(registry.rules), "eqeqeq");
+            });
+
+            it("should not add duplicate rules", () => {
+                const registry = new autoconfig.Registry(rulesConfig);
+
+                registry.populateFromCoreRules();
+                const semiCount = Object.keys(registry.rules).filter(ruleId => ruleId === "semi").length;
+
+                assert.strictEqual(semiCount, 1);
+            });
+        });
+
+        describe("buildRuleSets()", () => {
+            let ruleSets;
+
+            beforeEach(() => {
+                const registry = new autoconfig.Registry(rulesConfig);
+
+                ruleSets = registry.buildRuleSets();
+            });
+
+            it("should create an array of rule configuration sets", () => {
+                assert.isArray(ruleSets);
+            });
+
+            it("should include configs for each rule (at least for the first set)", () => {
+                assert.sameMembers(Object.keys(ruleSets[0]), ["semi", "semi-spacing", "quotes"]);
+            });
+
+            it("should create the first set from default rule configs (severity only)", () => {
+                assert.deepStrictEqual(ruleSets[0], { semi: SEVERITY, "semi-spacing": SEVERITY, quotes: SEVERITY });
+            });
+
+            it("should create as many ruleSets as the highest number of configs in a rule", () => {
+
+                // `quotes` has 7 possible configurations
+                assert.lengthOf(ruleSets, 7);
+            });
+        });
+
+        describe("lintSourceCode()", () => {
+            let registry;
+
+            beforeEach(() => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(SOURCE_CODE_FIXTURE_FILENAME, config);
+
+                registry = new autoconfig.Registry(rulesConfig);
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+            });
+
+            it("should populate the errorCount of all registryItems", () => {
+                const expectedRules = ["semi", "semi-spacing", "quotes"];
+
+                assert.sameMembers(Object.keys(registry.rules), expectedRules);
+                expectedRules.forEach(ruleId => {
+                    assert(registry.rules[ruleId].length > 0);
+                    registry.rules[ruleId].forEach(conf => {
+                        assert.isNumber(conf.errorCount);
+                    });
+                });
+            });
+
+            it("should correctly set the error count of configurations", () => {
+                assert.strictEqual(registry.rules.semi[0].config, SEVERITY);
+                assert.strictEqual(registry.rules.semi[0].errorCount, 0);
+                assert.deepStrictEqual(registry.rules.semi[2].config, [SEVERITY, "never"]);
+                assert.strictEqual(registry.rules.semi[2].errorCount, 3);
+            });
+
+            it("should respect inline eslint config comments (and not crash when they make linting errors)", () => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(CONFIG_COMMENTS_FILENAME, config);
+                const expectedRegistry = [
+                    { config: 2, specificity: 1, errorCount: 3 },
+                    { config: [2, "always"], specificity: 2, errorCount: 3 },
+                    { config: [2, "never"], specificity: 2, errorCount: 3 }
+                ];
+
+                registry = new autoconfig.Registry(rulesConfig);
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+
+                assert.deepStrictEqual(registry.rules.semi, expectedRegistry);
+            });
+        });
+
+        describe("stripFailingConfigs()", () => {
+            let registry;
+
+            beforeEach(() => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(SOURCE_CODE_FIXTURE_FILENAME, config);
+
+                registry = new autoconfig.Registry(rulesConfig);
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+                registry = registry.stripFailingConfigs();
+            });
+
+            it("should remove all registryItems with a non-zero errorCount", () => {
+                assert.lengthOf(registry.rules.semi, 2);
+                assert.lengthOf(registry.rules["semi-spacing"], 3);
+                assert.lengthOf(registry.rules.quotes, 1);
+                registry.rules.semi.forEach(registryItem => {
+                    assert.strictEqual(registryItem.errorCount, 0);
+                });
+                registry.rules["semi-spacing"].forEach(registryItem => {
+                    assert.strictEqual(registryItem.errorCount, 0);
+                });
+                registry.rules.quotes.forEach(registryItem => {
+                    assert.strictEqual(registryItem.errorCount, 0);
+                });
+            });
+        });
+
+        describe("getFailingRulesRegistry()", () => {
+            let failingRegistry;
+
+            beforeEach(() => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(SOURCE_CODE_FIXTURE_FILENAME, config);
+                let registry = new autoconfig.Registry(errorRulesConfig);
+
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+                failingRegistry = registry.getFailingRulesRegistry();
+            });
+
+            it("should return a registry with no registryItems with an errorCount of zero", () => {
+                const failingRules = Object.keys(failingRegistry.rules);
+
+                assert.deepStrictEqual(failingRules, ["no-unused-vars"]);
+                assert.lengthOf(failingRegistry.rules["no-unused-vars"], 1);
+                assert(failingRegistry.rules["no-unused-vars"][0].errorCount > 0);
+            });
+        });
+
+        describe("createConfig()", () => {
+            let createdConfig;
+
+            beforeEach(() => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(SOURCE_CODE_FIXTURE_FILENAME, config);
+                let registry = new autoconfig.Registry(rulesConfig);
+
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+                registry = registry.stripFailingConfigs();
+                createdConfig = registry.createConfig();
+            });
+
+            it("should create a config with a rules property", () => {
+                assert.property(createdConfig, "rules");
+            });
+
+            it("should add rules which have only one registryItem to the config", () => {
+                const configuredRules = Object.keys(createdConfig.rules);
+
+                assert.deepStrictEqual(configuredRules, ["quotes"]);
+            });
+
+            it("should set the configuration of the rule to the registryItem's `config` value", () => {
+                assert.deepStrictEqual(createdConfig.rules.quotes, [2, "double", "avoid-escape"]);
+            });
+
+            it("should not care how many errors the config has", () => {
+                const config = { ignore: false };
+                const sourceCode = sourceCodeUtils.getSourceCodeOfFiles(SOURCE_CODE_FIXTURE_FILENAME, config);
+                let registry = new autoconfig.Registry(errorRulesConfig);
+
+                registry = registry.lintSourceCode(sourceCode, defaultOptions);
+                const failingRegistry = registry.getFailingRulesRegistry();
+
+                createdConfig = failingRegistry.createConfig();
+                const configuredRules = Object.keys(createdConfig.rules);
+
+                assert.deepStrictEqual(configuredRules, ["no-unused-vars"]);
+            });
+        });
+
+        describe("filterBySpecificity()", () => {
+            let registry;
+
+            beforeEach(() => {
+                registry = new autoconfig.Registry(rulesConfig);
+            });
+
+            it("should return a registry where all configs have a desired specificity", () => {
+                const filteredRegistry1 = registry.filterBySpecificity(1);
+                const filteredRegistry2 = registry.filterBySpecificity(2);
+                const filteredRegistry3 = registry.filterBySpecificity(3);
+
+                assert.lengthOf(filteredRegistry1.rules.semi, 1);
+                assert.lengthOf(filteredRegistry1.rules["semi-spacing"], 1);
+                assert.lengthOf(filteredRegistry1.rules.quotes, 1);
+                assert.lengthOf(filteredRegistry2.rules.semi, 2);
+                assert.lengthOf(filteredRegistry2.rules["semi-spacing"], 4);
+                assert.lengthOf(filteredRegistry2.rules.quotes, 3);
+                assert.lengthOf(filteredRegistry3.rules.quotes, 3);
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/init/config-file.js b/eslint/tests/lib/init/config-file.js
new file mode 100644
index 0000000..69556b4
--- /dev/null
+++ b/eslint/tests/lib/init/config-file.js
@@ -0,0 +1,153 @@
+/**
+ * @fileoverview Tests for ConfigFile
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    leche = require("leche"),
+    sinon = require("sinon"),
+    path = require("path"),
+    fs = require("fs"),
+    yaml = require("js-yaml"),
+    espree = require("espree"),
+    ConfigFile = require("../../../lib/init/config-file"),
+    { CLIEngine } = require("../../../lib/cli-engine");
+
+const proxyquire = require("proxyquire").noCallThru().noPreserveCache();
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Helper function get easily get a path in the fixtures directory.
+ * @param {string} filepath The path to find in the fixtures directory.
+ * @returns {string} Full path in the fixtures directory.
+ * @private
+ */
+function getFixturePath(filepath) {
+    return path.resolve(__dirname, "../../fixtures/config-file", filepath);
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("ConfigFile", () => {
+    describe("write()", () => {
+        let config;
+
+        beforeEach(() => {
+            config = {
+                env: {
+                    browser: true,
+                    node: true
+                },
+                rules: {
+                    quotes: 2,
+                    semi: 1
+                }
+            };
+        });
+
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        leche.withData([
+            ["JavaScript", "foo.js", espree.parse],
+            ["JSON", "bar.json", JSON.parse],
+            ["YAML", "foo.yaml", yaml.safeLoad],
+            ["YML", "foo.yml", yaml.safeLoad]
+        ], (fileType, filename, validate) => {
+
+            it(`should write a file through fs when a ${fileType} path is passed`, () => {
+                const fakeFS = leche.fake(fs);
+
+                sinon.mock(fakeFS).expects("writeFileSync").withExactArgs(
+                    filename,
+                    sinon.match(value => !!validate(value)),
+                    "utf8"
+                );
+
+                const StubbedConfigFile = proxyquire("../../../lib/init/config-file", {
+                    fs: fakeFS
+                });
+
+                StubbedConfigFile.write(config, filename);
+            });
+
+            it("should include a newline character at EOF", () => {
+                const fakeFS = leche.fake(fs);
+
+                sinon.mock(fakeFS).expects("writeFileSync").withExactArgs(
+                    filename,
+                    sinon.match(value => value.endsWith("\n")),
+                    "utf8"
+                );
+
+                const StubbedConfigFile = proxyquire("../../../lib/init/config-file", {
+                    fs: fakeFS
+                });
+
+                StubbedConfigFile.write(config, filename);
+            });
+        });
+
+        it("should make sure js config files match linting rules", () => {
+            const fakeFS = leche.fake(fs);
+
+            const singleQuoteConfig = {
+                rules: {
+                    quotes: [2, "single"]
+                }
+            };
+
+            sinon.mock(fakeFS).expects("writeFileSync").withExactArgs(
+                "test-config.js",
+                sinon.match(value => !value.includes("\"")),
+                "utf8"
+            );
+
+            const StubbedConfigFile = proxyquire("../../../lib/init/config-file", {
+                fs: fakeFS
+            });
+
+            StubbedConfigFile.write(singleQuoteConfig, "test-config.js");
+        });
+
+        it("should still write a js config file even if linting fails", () => {
+            const fakeFS = leche.fake(fs);
+            const fakeCLIEngine = sinon.mock().withExactArgs(sinon.match({
+                baseConfig: config,
+                fix: true,
+                useEslintrc: false
+            }));
+
+            Object.defineProperties(fakeCLIEngine.prototype, Object.getOwnPropertyDescriptors(CLIEngine.prototype));
+            sinon.stub(fakeCLIEngine.prototype, "executeOnText").throws();
+
+            sinon.mock(fakeFS).expects("writeFileSync").once();
+
+            const StubbedConfigFile = proxyquire("../../../lib/init/config-file", {
+                fs: fakeFS,
+                "../cli-engine": { CLIEngine: fakeCLIEngine }
+            });
+
+            assert.throws(() => {
+                StubbedConfigFile.write(config, "test-config.js");
+            });
+        });
+
+        it("should throw error if file extension is not valid", () => {
+            assert.throws(() => {
+                ConfigFile.write({}, getFixturePath("yaml/.eslintrc.class"));
+            }, /write to unknown file type/u);
+        });
+    });
+});
diff --git a/eslint/tests/lib/init/config-initializer.js b/eslint/tests/lib/init/config-initializer.js
new file mode 100644
index 0000000..3393ae2
--- /dev/null
+++ b/eslint/tests/lib/init/config-initializer.js
@@ -0,0 +1,442 @@
+/**
+ * @fileoverview Tests for configInitializer.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    fs = require("fs"),
+    path = require("path"),
+    os = require("os"),
+    sinon = require("sinon"),
+    sh = require("shelljs"),
+    autoconfig = require("../../../lib/init/autoconfig"),
+    npmUtils = require("../../../lib/init/npm-utils");
+
+const originalDir = process.cwd();
+const proxyquire = require("proxyquire").noPreserveCache();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+let answers = {};
+
+describe("configInitializer", () => {
+
+    let fixtureDir,
+        npmCheckStub,
+        npmInstallStub,
+        npmFetchPeerDependenciesStub,
+        init,
+        localESLintVersion = null;
+
+    const log = {
+        info: sinon.spy(),
+        error: sinon.spy()
+    };
+    const requireStubs = {
+        "../shared/logging": log,
+        "../shared/relative-module-resolver": {
+            resolve() {
+                if (localESLintVersion) {
+                    return `local-eslint-${localESLintVersion}`;
+                }
+                throw new Error("Cannot find module");
+            }
+        },
+        "local-eslint-3.18.0": { linter: { version: "3.18.0" }, "@noCallThru": true },
+        "local-eslint-3.19.0": { linter: { version: "3.19.0" }, "@noCallThru": true },
+        "local-eslint-4.0.0": { linter: { version: "4.0.0" }, "@noCallThru": true }
+    };
+
+    /**
+     * Returns the path inside of the fixture directory.
+     * @param {...string} args file path segments.
+     * @returns {string} The path inside the fixture directory.
+     * @private
+     */
+    function getFixturePath(...args) {
+        const filepath = path.join(fixtureDir, ...args);
+
+        try {
+            return fs.realpathSync(filepath);
+        } catch (e) {
+            return filepath;
+        }
+    }
+
+    // copy into clean area so as not to get "infected" by this project's .eslintrc files
+    before(() => {
+        fixtureDir = path.join(os.tmpdir(), "eslint/fixtures/config-initializer");
+        sh.mkdir("-p", fixtureDir);
+        sh.cp("-r", "./tests/fixtures/config-initializer/.", fixtureDir);
+        fixtureDir = fs.realpathSync(fixtureDir);
+    });
+
+    beforeEach(() => {
+        npmInstallStub = sinon.stub(npmUtils, "installSyncSaveDev");
+        npmCheckStub = sinon.stub(npmUtils, "checkDevDeps").callsFake(packages => packages.reduce((status, pkg) => {
+            status[pkg] = false;
+            return status;
+        }, {}));
+        npmFetchPeerDependenciesStub = sinon
+            .stub(npmUtils, "fetchPeerDependencies")
+            .returns({
+                eslint: "^3.19.0",
+                "eslint-plugin-jsx-a11y": "^5.0.1",
+                "eslint-plugin-import": "^2.2.0",
+                "eslint-plugin-react": "^7.0.1"
+            });
+        init = proxyquire("../../../lib/init/config-initializer", requireStubs);
+    });
+
+    afterEach(() => {
+        log.info.resetHistory();
+        log.error.resetHistory();
+        npmInstallStub.restore();
+        npmCheckStub.restore();
+        npmFetchPeerDependenciesStub.restore();
+    });
+
+    after(() => {
+        sh.rm("-r", fixtureDir);
+    });
+
+    describe("processAnswers()", () => {
+
+        describe("prompt", () => {
+
+            beforeEach(() => {
+                answers = {
+                    purpose: "style",
+                    source: "prompt",
+                    extendDefault: true,
+                    indent: 2,
+                    quotes: "single",
+                    linebreak: "unix",
+                    semi: true,
+                    moduleType: "esm",
+                    es6Globals: true,
+                    env: ["browser"],
+                    format: "JSON"
+                };
+            });
+
+            it("should create default config", () => {
+                const config = init.processAnswers(answers);
+
+                assert.deepStrictEqual(config.rules.indent, ["error", 2]);
+                assert.deepStrictEqual(config.rules.quotes, ["error", "single"]);
+                assert.deepStrictEqual(config.rules["linebreak-style"], ["error", "unix"]);
+                assert.deepStrictEqual(config.rules.semi, ["error", "always"]);
+                assert.strictEqual(config.env.es6, true);
+                assert.strictEqual(config.globals.Atomics, "readonly");
+                assert.strictEqual(config.globals.SharedArrayBuffer, "readonly");
+                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.strictEqual(config.parserOptions.sourceType, "module");
+                assert.strictEqual(config.env.browser, true);
+                assert.strictEqual(config.extends, "eslint:recommended");
+            });
+
+            it("should disable semi", () => {
+                answers.semi = false;
+                const config = init.processAnswers(answers);
+
+                assert.deepStrictEqual(config.rules.semi, ["error", "never"]);
+            });
+
+            it("should enable react plugin", () => {
+                answers.framework = "react";
+                const config = init.processAnswers(answers);
+
+                assert.strictEqual(config.parserOptions.ecmaFeatures.jsx, true);
+                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.deepStrictEqual(config.plugins, ["react"]);
+            });
+
+            it("should enable vue plugin", () => {
+                answers.framework = "vue";
+                const config = init.processAnswers(answers);
+
+                assert.strictEqual(config.parserOptions.ecmaVersion, 2018);
+                assert.deepStrictEqual(config.plugins, ["vue"]);
+                assert.deepStrictEqual(config.extends, ["eslint:recommended", "plugin:vue/essential"]);
+            });
+
+            it("should enable typescript parser and plugin", () => {
+                answers.typescript = true;
+                const config = init.processAnswers(answers);
+
+                assert.strictEqual(config.parser, "@typescript-eslint/parser");
+                assert.deepStrictEqual(config.plugins, ["@typescript-eslint"]);
+                assert.deepStrictEqual(config.extends, ["eslint:recommended", "plugin:@typescript-eslint/eslint-recommended"]);
+            });
+
+            it("should enable typescript parser and plugin with vue", () => {
+                answers.framework = "vue";
+                answers.typescript = true;
+                const config = init.processAnswers(answers);
+
+                assert.strictEqual(config.parserOptions.parser, "@typescript-eslint/parser");
+                assert.deepStrictEqual(config.plugins, ["vue", "@typescript-eslint"]);
+            });
+
+            it("should extend eslint:recommended", () => {
+                const config = init.processAnswers(answers);
+
+                assert.strictEqual(config.extends, "eslint:recommended");
+            });
+
+            it("should not use commonjs by default", () => {
+                const config = init.processAnswers(answers);
+
+                assert.isUndefined(config.env.commonjs);
+            });
+
+            it("should use commonjs when set", () => {
+                answers.moduleType = "commonjs";
+                const config = init.processAnswers(answers);
+
+                assert.isTrue(config.env.commonjs);
+            });
+        });
+
+        describe("guide", () => {
+            it("should support the google style guide", () => {
+                const config = { extends: "google" };
+                const modules = init.getModulesList(config);
+
+                assert.deepStrictEqual(config, { extends: "google", installedESLint: true });
+                assert.include(modules, "eslint-config-google@latest");
+            });
+
+            it("should support the airbnb style guide", () => {
+                const config = { extends: "airbnb" };
+                const modules = init.getModulesList(config);
+
+                assert.deepStrictEqual(config, { extends: "airbnb", installedESLint: true });
+                assert.include(modules, "eslint-config-airbnb@latest");
+            });
+
+            it("should support the airbnb base style guide", () => {
+                const config = { extends: "airbnb-base" };
+                const modules = init.getModulesList(config);
+
+                assert.deepStrictEqual(config, { extends: "airbnb-base", installedESLint: true });
+                assert.include(modules, "eslint-config-airbnb-base@latest");
+            });
+
+            it("should support the standard style guide", () => {
+                const config = { extends: "standard" };
+                const modules = init.getModulesList(config);
+
+                assert.deepStrictEqual(config, { extends: "standard", installedESLint: true });
+                assert.include(modules, "eslint-config-standard@latest");
+            });
+
+            it("should install required sharable config", () => {
+                const config = { extends: "google" };
+
+                init.installModules(init.getModulesList(config));
+                assert(npmInstallStub.calledOnce);
+                assert(npmInstallStub.firstCall.args[0].some(name => name.startsWith("eslint-config-google@")));
+            });
+
+            it("should install ESLint if not installed locally", () => {
+                const config = { extends: "google" };
+
+                init.installModules(init.getModulesList(config));
+                assert(npmInstallStub.calledOnce);
+                assert(npmInstallStub.firstCall.args[0].some(name => name.startsWith("eslint@")));
+            });
+
+            it("should install peerDependencies of the sharable config", () => {
+                const config = { extends: "airbnb" };
+
+                init.installModules(init.getModulesList(config));
+
+                assert(npmFetchPeerDependenciesStub.calledOnce);
+                assert(npmFetchPeerDependenciesStub.firstCall.args[0] === "eslint-config-airbnb@latest");
+                assert(npmInstallStub.calledOnce);
+                assert.deepStrictEqual(
+                    npmInstallStub.firstCall.args[0],
+                    [
+                        "eslint-config-airbnb@latest",
+                        "eslint@^3.19.0",
+                        "eslint-plugin-jsx-a11y@^5.0.1",
+                        "eslint-plugin-import@^2.2.0",
+                        "eslint-plugin-react@^7.0.1"
+                    ]
+                );
+            });
+
+            describe("hasESLintVersionConflict (Note: peerDependencies always `eslint: \"^3.19.0\"` by stubs)", () => {
+                describe("if local ESLint is not found,", () => {
+                    before(() => {
+                        localESLintVersion = null;
+                    });
+
+                    it("should return false.", () => {
+                        const result = init.hasESLintVersionConflict({ styleguide: "airbnb" });
+
+                        assert.strictEqual(result, false);
+                    });
+                });
+
+                describe("if local ESLint is 3.19.0,", () => {
+                    before(() => {
+                        localESLintVersion = "3.19.0";
+                    });
+
+                    it("should return false.", () => {
+                        const result = init.hasESLintVersionConflict({ styleguide: "airbnb" });
+
+                        assert.strictEqual(result, false);
+                    });
+                });
+
+                describe("if local ESLint is 4.0.0,", () => {
+                    before(() => {
+                        localESLintVersion = "4.0.0";
+                    });
+
+                    it("should return true.", () => {
+                        const result = init.hasESLintVersionConflict({ styleguide: "airbnb" });
+
+                        assert.strictEqual(result, true);
+                    });
+                });
+
+                describe("if local ESLint is 3.18.0,", () => {
+                    before(() => {
+                        localESLintVersion = "3.18.0";
+                    });
+
+                    it("should return true.", () => {
+                        const result = init.hasESLintVersionConflict({ styleguide: "airbnb" });
+
+                        assert.strictEqual(result, true);
+                    });
+                });
+            });
+
+            it("should support the standard style guide with Vue.js", () => {
+                const config = {
+                    plugins: ["vue"],
+                    extends: ["plugin:vue/essential", "standard"]
+                };
+                const modules = init.getModulesList(config);
+
+                assert.include(modules, "eslint-plugin-vue@latest");
+                assert.include(modules, "eslint-config-standard@latest");
+            });
+
+            it("should support custom parser", () => {
+                const config = {
+                    parser: "@typescript-eslint/parser"
+                };
+                const modules = init.getModulesList(config);
+
+                assert.include(modules, "@typescript-eslint/parser@latest");
+            });
+
+            it("should support custom parser with Vue.js", () => {
+                const config = {
+
+                    // We should declare the parser at `parserOptions` when using with `eslint-plugin-vue`.
+                    parserOptions: {
+                        parser: "@typescript-eslint/parser"
+                    }
+                };
+                const modules = init.getModulesList(config);
+
+                assert.include(modules, "@typescript-eslint/parser@latest");
+            });
+        });
+
+        describe("auto", () => {
+            const completeSpy = sinon.spy();
+            let config;
+
+            before(() => {
+                const patterns = [
+                    getFixturePath("lib"),
+                    getFixturePath("tests")
+                ].join(" ");
+
+                answers = {
+                    purpose: "style",
+                    source: "auto",
+                    patterns,
+                    env: ["browser"],
+                    format: "JSON"
+                };
+
+                sinon.stub(console, "log"); // necessary to replace, because of progress bar
+
+                process.chdir(fixtureDir);
+                config = init.processAnswers(answers);
+                sinon.restore();
+            });
+
+            after(() => {
+                sinon.restore();
+            });
+
+            afterEach(() => {
+                process.chdir(originalDir);
+                sinon.restore();
+            });
+
+            it("should create a config", () => {
+                assert.isTrue(completeSpy.notCalled);
+                assert.ok(config);
+            });
+
+            it("should create the config based on examined files", () => {
+                assert.deepStrictEqual(config.rules.quotes, ["error", "double"]);
+                assert.strictEqual(config.rules.semi, "off");
+            });
+
+            it("should extend and not disable recommended rules", () => {
+                assert.strictEqual(config.extends, "eslint:recommended");
+                assert.notProperty(config.rules, "no-debugger");
+            });
+
+            it("should support new ES features if using later ES version", () => {
+                const filename = getFixturePath("new-es-features");
+
+                answers.patterns = filename;
+                answers.ecmaVersion = 2017;
+                process.chdir(fixtureDir);
+                config = init.processAnswers(answers);
+            });
+
+            it("should throw on fatal parsing error", () => {
+                const filename = getFixturePath("parse-error");
+
+                sinon.stub(autoconfig, "extendFromRecommended");
+                answers.patterns = filename;
+                process.chdir(fixtureDir);
+                assert.throws(() => {
+                    config = init.processAnswers(answers);
+                }, "Parsing error: Unexpected token ;");
+            });
+
+            it("should throw if no files are matched from patterns", () => {
+                sinon.stub(autoconfig, "extendFromRecommended");
+                answers.patterns = "not-a-real-filename";
+                process.chdir(fixtureDir);
+                assert.throws(() => {
+                    config = init.processAnswers(answers);
+                }, "No files matching 'not-a-real-filename' were found.");
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/init/config-rule.js b/eslint/tests/lib/init/config-rule.js
new file mode 100644
index 0000000..425317d
--- /dev/null
+++ b/eslint/tests/lib/init/config-rule.js
@@ -0,0 +1,329 @@
+/**
+ * @fileoverview Tests for ConfigOps
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    ConfigRule = require("../../../lib/init/config-rule"),
+    builtInRules = require("../../../lib/rules"),
+    schema = require("../../fixtures/config-rule/schemas");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const SEVERITY = 2;
+
+describe("ConfigRule", () => {
+
+    describe("generateConfigsFromSchema()", () => {
+        let actualConfigs;
+
+        it("should create a config with only severity for an empty schema", () => {
+            actualConfigs = ConfigRule.generateConfigsFromSchema([]);
+            assert.deepStrictEqual(actualConfigs, [SEVERITY]);
+        });
+
+        it("should create a config with only severity with no arguments", () => {
+            actualConfigs = ConfigRule.generateConfigsFromSchema();
+            assert.deepStrictEqual(actualConfigs, [SEVERITY]);
+        });
+
+        describe("for a single enum schema", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.enum);
+            });
+
+            it("should create an array of configs", () => {
+                assert.isArray(actualConfigs);
+                assert.strictEqual(actualConfigs.length, 3);
+            });
+
+            it("should include the error severity (2) without options as the first config", () => {
+                assert.strictEqual(actualConfigs[0], SEVERITY);
+            });
+
+            it("should set all configs to error severity (2)", () => {
+                actualConfigs.forEach(actualConfig => {
+                    if (Array.isArray(actualConfig)) {
+                        assert.strictEqual(actualConfig[0], SEVERITY);
+                    }
+                });
+            });
+
+            it("should return configs with each enumerated value in the schema", () => {
+                assert.sameDeepMembers(actualConfigs, [SEVERITY, [SEVERITY, "always"], [SEVERITY, "never"]]);
+            });
+        });
+
+        describe("for a object schema with a single enum property", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.objectWithEnum);
+            });
+
+            it("should return configs with option objects", () => {
+
+                // Skip first config (severity only)
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const actualConfigOption = actualConfig[1]; // severity is first element, option is second
+
+                    assert.isObject(actualConfigOption);
+                });
+            });
+
+            it("should use the object property name from the schema", () => {
+                const propName = "enumProperty";
+
+                assert.strictEqual(actualConfigs.length, 3);
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const actualConfigOption = actualConfig[1];
+
+                    assert.property(actualConfigOption, propName);
+                });
+            });
+
+            it("should have each enum as option object values", () => {
+                const propName = "enumProperty",
+                    actualValues = [];
+
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const configOption = actualConfig[1];
+
+                    actualValues.push(configOption[propName]);
+                });
+                assert.sameMembers(actualValues, ["always", "never"]);
+            });
+        });
+
+        describe("for a object schema with a multiple enum properties", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.objectWithMultipleEnums);
+            });
+
+            it("should create configs for all properties in each config", () => {
+                const expectedProperties = ["firstEnum", "anotherEnum"];
+
+                assert.strictEqual(actualConfigs.length, 7);
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const configOption = actualConfig[1];
+                    const actualProperties = Object.keys(configOption);
+
+                    assert.sameMembers(actualProperties, expectedProperties);
+                });
+            });
+
+            it("should create configs for every possible combination", () => {
+                const expectedConfigs = [
+                    { firstEnum: "always", anotherEnum: "var" },
+                    { firstEnum: "always", anotherEnum: "let" },
+                    { firstEnum: "always", anotherEnum: "const" },
+                    { firstEnum: "never", anotherEnum: "var" },
+                    { firstEnum: "never", anotherEnum: "let" },
+                    { firstEnum: "never", anotherEnum: "const" }
+                ];
+                const actualConfigOptions = actualConfigs.slice(1).map(actualConfig => actualConfig[1]);
+
+                assert.sameDeepMembers(actualConfigOptions, expectedConfigs);
+            });
+
+        });
+
+        describe("for a object schema with a single boolean property", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.objectWithBool);
+            });
+
+            it("should return configs with option objects", () => {
+                assert.strictEqual(actualConfigs.length, 3);
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const actualConfigOption = actualConfig[1];
+
+                    assert.isObject(actualConfigOption);
+                });
+            });
+
+            it("should use the object property name from the schema", () => {
+                const propName = "boolProperty";
+
+                assert.strictEqual(actualConfigs.length, 3);
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const actualConfigOption = actualConfig[1];
+
+                    assert.property(actualConfigOption, propName);
+                });
+            });
+
+            it("should include both true and false configs", () => {
+                const propName = "boolProperty",
+                    actualValues = [];
+
+                actualConfigs.slice(1).forEach(actualConfig => {
+                    const configOption = actualConfig[1];
+
+                    actualValues.push(configOption[propName]);
+                });
+                assert.sameMembers(actualValues, [true, false]);
+            });
+        });
+
+        describe("for a object schema with a multiple bool properties", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.objectWithMultipleBools);
+            });
+
+            it("should create configs for all properties in each config", () => {
+                const expectedProperties = ["firstBool", "anotherBool"];
+
+                assert.strictEqual(actualConfigs.length, 5);
+                actualConfigs.slice(1).forEach(config => {
+                    const configOption = config[1];
+                    const actualProperties = Object.keys(configOption);
+
+                    assert.sameMembers(actualProperties, expectedProperties);
+                });
+            });
+
+            it("should create configs for every possible combination", () => {
+                const expectedConfigOptions = [
+                    { firstBool: true, anotherBool: true },
+                    { firstBool: true, anotherBool: false },
+                    { firstBool: false, anotherBool: true },
+                    { firstBool: false, anotherBool: false }
+                ];
+                const actualConfigOptions = actualConfigs.slice(1).map(config => config[1]);
+
+                assert.sameDeepMembers(actualConfigOptions, expectedConfigOptions);
+            });
+        });
+
+        describe("for a schema with an enum and an object", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.mixedEnumObject);
+            });
+
+            it("should create configs with only the enum values", () => {
+                assert.strictEqual(actualConfigs[1].length, 2);
+                assert.strictEqual(actualConfigs[2].length, 2);
+                const actualOptions = [actualConfigs[1][1], actualConfigs[2][1]];
+
+                assert.sameMembers(actualOptions, ["always", "never"]);
+            });
+
+            it("should create configs with a string and an object", () => {
+                assert.strictEqual(actualConfigs.length, 7);
+                actualConfigs.slice(3).forEach(config => {
+                    assert.isString(config[1]);
+                    assert.isObject(config[2]);
+                });
+            });
+        });
+
+        describe("for a schema with an enum followed by an object with no usable properties", () => {
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.mixedEnumObjectWithNothing);
+            });
+
+            it("should create config only for the enum", () => {
+                const expectedConfigs = [2, [2, "always"], [2, "never"]];
+
+                assert.sameDeepMembers(actualConfigs, expectedConfigs);
+            });
+        });
+
+        describe("for a schema with an enum preceded by an object with no usable properties", () => {
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.mixedObjectWithNothingEnum);
+            });
+
+            it("should not create a config for the enum", () => {
+                const expectedConfigs = [2];
+
+                assert.sameDeepMembers(actualConfigs, expectedConfigs);
+            });
+        });
+
+        describe("for a schema with an enum preceded by a string", () => {
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.mixedStringEnum);
+            });
+
+            it("should not create a config for the enum", () => {
+                const expectedConfigs = [2];
+
+                assert.sameDeepMembers(actualConfigs, expectedConfigs);
+            });
+        });
+
+        describe("for a schema with oneOf", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.oneOf);
+            });
+
+            it("should create a set of configs", () => {
+                assert.isArray(actualConfigs);
+            });
+        });
+
+        describe("for a schema with nested objects", () => {
+
+            before(() => {
+                actualConfigs = ConfigRule.generateConfigsFromSchema(schema.nestedObjects);
+            });
+
+            it("should create a set of configs", () => {
+                assert.isArray(actualConfigs);
+            });
+        });
+    });
+
+    describe("createCoreRuleConfigs()", () => {
+
+        const rulesConfig = ConfigRule.createCoreRuleConfigs();
+
+        it("should create a rulesConfig containing all core rules", () => {
+            const
+                expectedRules = Array.from(builtInRules.keys()),
+                actualRules = Object.keys(rulesConfig);
+
+            assert.sameMembers(actualRules, expectedRules);
+        });
+
+        it("should allow to ignore deprecated rules", () => {
+            const expectedRules = Array.from(builtInRules.entries())
+                    .filter(([, rule]) => {
+                        const isDeprecated = (typeof rule === "function") ? rule.deprecated : rule.meta.deprecated;
+
+                        return !isDeprecated;
+                    })
+                    .map(([id]) => id),
+                actualRules = Object.keys(ConfigRule.createCoreRuleConfigs(true));
+
+            assert.sameMembers(actualRules, expectedRules);
+
+            // Make sure it doesn't contain deprecated rules.
+            assert.notInclude(actualRules, "newline-after-var");
+        });
+
+        it("should create arrays of configs for rules", () => {
+            assert.isArray(rulesConfig.quotes);
+            assert.include(rulesConfig.quotes, 2);
+        });
+
+        it("should create configs for rules with meta", () => {
+            assert(rulesConfig["accessor-pairs"].length > 1);
+        });
+    });
+});
diff --git a/eslint/tests/lib/init/npm-utils.js b/eslint/tests/lib/init/npm-utils.js
new file mode 100644
index 0000000..d0326bd
--- /dev/null
+++ b/eslint/tests/lib/init/npm-utils.js
@@ -0,0 +1,228 @@
+/**
+ * @fileoverview Tests for rule fixer.
+ * @author Ian VanSchooten
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    assert = require("chai").assert,
+    spawn = require("cross-spawn"),
+    sinon = require("sinon"),
+    npmUtils = require("../../../lib/init/npm-utils"),
+    log = require("../../../lib/shared/logging"),
+    { defineInMemoryFs } = require("../_utils");
+
+const proxyquire = require("proxyquire").noCallThru().noPreserveCache();
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Import `npm-utils` with the in-memory file system.
+ * @param {Object} files The file definitions.
+ * @returns {Object} `npm-utils`.
+ */
+function requireNpmUtilsWithInMemoryFileSystem(files) {
+    const fs = defineInMemoryFs({ files });
+
+    return proxyquire("../../../lib/init/npm-utils", { fs });
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("npmUtils", () => {
+    afterEach(() => {
+        sinon.verifyAndRestore();
+    });
+
+    describe("checkDevDeps()", () => {
+        let installStatus;
+
+        before(() => {
+            installStatus = npmUtils.checkDevDeps(["debug", "mocha", "notarealpackage", "jshint"]);
+        });
+
+        it("should not find a direct dependency of the project", () => {
+            assert.isFalse(installStatus.debug);
+        });
+
+        it("should find a dev dependency of the project", () => {
+            assert.isTrue(installStatus.mocha);
+        });
+
+        it("should not find non-dependencies", () => {
+            assert.isFalse(installStatus.notarealpackage);
+        });
+
+        it("should not find nested dependencies", () => {
+            assert.isFalse(installStatus.jshint);
+        });
+
+        it("should return false for a single, non-existent package", () => {
+            installStatus = npmUtils.checkDevDeps(["notarealpackage"]);
+            assert.isFalse(installStatus.notarealpackage);
+        });
+
+        it("should handle missing devDependencies key", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({
+                "package.json": JSON.stringify({ private: true, dependencies: {} })
+            });
+
+            // Should not throw.
+            stubbedNpmUtils.checkDevDeps(["some-package"]);
+        });
+
+        it("should throw with message when parsing invalid package.json", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({
+                "package.json": "{ \"not: \"valid json\" }"
+            });
+
+            assert.throws(() => {
+                try {
+                    stubbedNpmUtils.checkDevDeps(["some-package"]);
+                } catch (error) {
+                    assert.strictEqual(error.messageTemplate, "failed-to-read-json");
+                    throw error;
+                }
+            }, "SyntaxError: Unexpected token v");
+        });
+    });
+
+    describe("checkDeps()", () => {
+        let installStatus;
+
+        before(() => {
+            installStatus = npmUtils.checkDeps(["debug", "mocha", "notarealpackage", "jshint"]);
+        });
+
+        it("should find a direct dependency of the project", () => {
+            assert.isTrue(installStatus.debug);
+        });
+
+        it("should not find a dev dependency of the project", () => {
+            assert.isFalse(installStatus.mocha);
+        });
+
+        it("should not find non-dependencies", () => {
+            assert.isFalse(installStatus.notarealpackage);
+        });
+
+        it("should not find nested dependencies", () => {
+            assert.isFalse(installStatus.jshint);
+        });
+
+        it("should return false for a single, non-existent package", () => {
+            installStatus = npmUtils.checkDeps(["notarealpackage"]);
+            assert.isFalse(installStatus.notarealpackage);
+        });
+
+        it("should throw if no package.json can be found", () => {
+            assert.throws(() => {
+                installStatus = npmUtils.checkDeps(["notarealpackage"], "/fakepath");
+            }, "Could not find a package.json file");
+        });
+
+        it("should handle missing dependencies key", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({
+                "package.json": JSON.stringify({ private: true, devDependencies: {} })
+            });
+
+            // Should not throw.
+            stubbedNpmUtils.checkDeps(["some-package"]);
+        });
+
+        it("should throw with message when parsing invalid package.json", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({
+                "package.json": "{ \"not: \"valid json\" }"
+            });
+
+            assert.throws(() => {
+                try {
+                    stubbedNpmUtils.checkDeps(["some-package"]);
+                } catch (error) {
+                    assert.strictEqual(error.messageTemplate, "failed-to-read-json");
+                    throw error;
+                }
+            }, "SyntaxError: Unexpected token v");
+        });
+    });
+
+    describe("checkPackageJson()", () => {
+        it("should return true if package.json exists", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({
+                "package.json": "{ \"file\": \"contents\" }"
+            });
+
+            assert.strictEqual(stubbedNpmUtils.checkPackageJson(), true);
+        });
+
+        it("should return false if package.json does not exist", () => {
+            const stubbedNpmUtils = requireNpmUtilsWithInMemoryFileSystem({});
+
+            assert.strictEqual(stubbedNpmUtils.checkPackageJson(), false);
+        });
+    });
+
+    describe("installSyncSaveDev()", () => {
+        it("should invoke npm to install a single desired package", () => {
+            const stub = sinon.stub(spawn, "sync").returns({ stdout: "" });
+
+            npmUtils.installSyncSaveDev("desired-package");
+            assert(stub.calledOnce);
+            assert.strictEqual(stub.firstCall.args[0], "npm");
+            assert.deepStrictEqual(stub.firstCall.args[1], ["i", "--save-dev", "desired-package"]);
+            stub.restore();
+        });
+
+        it("should accept an array of packages to install", () => {
+            const stub = sinon.stub(spawn, "sync").returns({ stdout: "" });
+
+            npmUtils.installSyncSaveDev(["first-package", "second-package"]);
+            assert(stub.calledOnce);
+            assert.strictEqual(stub.firstCall.args[0], "npm");
+            assert.deepStrictEqual(stub.firstCall.args[1], ["i", "--save-dev", "first-package", "second-package"]);
+            stub.restore();
+        });
+
+        it("should log an error message if npm throws ENOENT error", () => {
+            const logErrorStub = sinon.stub(log, "error");
+            const npmUtilsStub = sinon.stub(spawn, "sync").returns({ error: { code: "ENOENT" } });
+
+            npmUtils.installSyncSaveDev("some-package");
+
+            assert(logErrorStub.calledOnce);
+
+            logErrorStub.restore();
+            npmUtilsStub.restore();
+        });
+    });
+
+    describe("fetchPeerDependencies()", () => {
+        it("should execute 'npm show --json <packageName> peerDependencies' command", () => {
+            const stub = sinon.stub(spawn, "sync").returns({ stdout: "" });
+
+            npmUtils.fetchPeerDependencies("desired-package");
+            assert(stub.calledOnce);
+            assert.strictEqual(stub.firstCall.args[0], "npm");
+            assert.deepStrictEqual(stub.firstCall.args[1], ["show", "--json", "desired-package", "peerDependencies"]);
+            stub.restore();
+        });
+
+        it("should return null if npm throws ENOENT error", () => {
+            const stub = sinon.stub(spawn, "sync").returns({ error: { code: "ENOENT" } });
+
+            const peerDependencies = npmUtils.fetchPeerDependencies("desired-package");
+
+            assert.isNull(peerDependencies);
+
+            stub.restore();
+        });
+    });
+});
diff --git a/eslint/tests/lib/init/source-code-utils.js b/eslint/tests/lib/init/source-code-utils.js
new file mode 100644
index 0000000..8c821de
--- /dev/null
+++ b/eslint/tests/lib/init/source-code-utils.js
@@ -0,0 +1,250 @@
+/**
+ * @fileoverview Tests for source-code-util.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path"),
+    fs = require("fs"),
+    os = require("os"),
+    assert = require("chai").assert,
+    sinon = require("sinon"),
+    sh = require("shelljs"),
+    { SourceCode } = require("../../../lib/source-code");
+
+const proxyquire = require("proxyquire").noCallThru().noPreserveCache();
+const originalDir = process.cwd();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("SourceCodeUtil", () => {
+
+    let fixtureDir,
+        getSourceCodeOfFiles;
+
+    /**
+     * Returns the path inside of the fixture directory.
+     * @param {...string} args file path segments.
+     * @returns {string} The path inside the fixture directory.
+     * @private
+     */
+    function getFixturePath(...args) {
+        let filepath = path.join(fixtureDir, ...args);
+
+        try {
+            filepath = fs.realpathSync(filepath);
+            return filepath;
+        } catch (e) {
+            return filepath;
+        }
+    }
+
+    const log = {
+        info: sinon.spy(),
+        error: sinon.spy()
+    };
+    const requireStubs = {
+        "../logging": log
+    };
+
+    // copy into clean area so as not to get "infected" by this project's .eslintrc files
+    before(() => {
+        fixtureDir = `${os.tmpdir()}/eslint/fixtures/source-code-util`;
+        sh.mkdir("-p", fixtureDir);
+        sh.cp("-r", "./tests/fixtures/source-code-util/.", fixtureDir);
+        fixtureDir = fs.realpathSync(fixtureDir);
+    });
+
+    beforeEach(() => {
+        getSourceCodeOfFiles = proxyquire("../../../lib/init/source-code-utils", requireStubs).getSourceCodeOfFiles;
+    });
+
+    afterEach(() => {
+        log.info.resetHistory();
+        log.error.resetHistory();
+    });
+
+    after(() => {
+        sh.rm("-r", fixtureDir);
+    });
+
+    describe("getSourceCodeOfFiles()", () => {
+
+        it("should handle single string filename arguments", () => {
+            const filename = getFixturePath("foo.js");
+            const sourceCode = getSourceCodeOfFiles(filename, { cwd: fixtureDir });
+
+            assert.isObject(sourceCode);
+        });
+
+        it("should accept an array of string filenames", () => {
+            const fooFilename = getFixturePath("foo.js");
+            const barFilename = getFixturePath("bar.js");
+            const sourceCode = getSourceCodeOfFiles([fooFilename, barFilename], { cwd: fixtureDir });
+
+            assert.isObject(sourceCode);
+        });
+
+        it("should accept a glob argument", () => {
+            const glob = getFixturePath("*.js");
+            const filename = getFixturePath("foo.js");
+            const sourceCode = getSourceCodeOfFiles(glob, { cwd: fixtureDir });
+
+            assert.isObject(sourceCode);
+            assert.property(sourceCode, filename);
+        });
+
+        it("should accept a relative filename", () => {
+            const filename = "foo.js";
+            const sourceCode = getSourceCodeOfFiles(filename, { cwd: fixtureDir });
+
+            assert.isObject(sourceCode);
+            assert.property(sourceCode, getFixturePath(filename));
+        });
+
+        it("should accept a relative path to a file in a parent directory", () => {
+            const filename = "../foo.js";
+            const sourceCode = getSourceCodeOfFiles(filename, { cwd: getFixturePath("nested") });
+
+            assert.isObject(sourceCode);
+            assert.property(sourceCode, getFixturePath("foo.js"));
+        });
+
+        it("should accept a callback", () => {
+            const filename = getFixturePath("foo.js");
+            const spy = sinon.spy();
+
+            process.chdir(fixtureDir);
+            getSourceCodeOfFiles(filename, {}, spy);
+            process.chdir(originalDir);
+            assert(spy.calledOnce);
+        });
+
+        it("should call the callback with total number of files being processed", () => {
+            const filename = getFixturePath("foo.js");
+            const spy = sinon.spy();
+
+            process.chdir(fixtureDir);
+            getSourceCodeOfFiles(filename, {}, spy);
+            process.chdir(originalDir);
+            assert.strictEqual(spy.firstCall.args[0], 1);
+        });
+
+        it("should create an object with located filenames as keys", () => {
+            const fooFilename = getFixturePath("foo.js");
+            const barFilename = getFixturePath("bar.js");
+            const sourceCode = getSourceCodeOfFiles([fooFilename, barFilename], { cwd: fixtureDir });
+
+            assert.property(sourceCode, fooFilename);
+            assert.property(sourceCode, barFilename);
+        });
+
+        it("should should not include non-existent filenames in results", () => {
+            const filename = getFixturePath("missing.js");
+
+            assert.throws(() => {
+                getSourceCodeOfFiles(filename, { cwd: fixtureDir });
+            }, `No files matching '${filename}' were found.`);
+        });
+
+        it("should throw for files with parsing errors", () => {
+            const filename = getFixturePath("parse-error", "parse-error.js");
+
+            assert.throw(() => {
+                getSourceCodeOfFiles(filename, { cwd: fixtureDir });
+            }, /Parsing error: Unexpected token ;/u);
+
+        });
+
+        it("should obtain the sourceCode of a file", () => {
+            const filename = getFixturePath("foo.js");
+            const sourceCode = getSourceCodeOfFiles(filename, { cwd: fixtureDir });
+
+            assert.isObject(sourceCode);
+            assert.instanceOf(sourceCode[filename], SourceCode);
+        });
+
+        it("should obtain the sourceCode of JSX files", () => {
+            const filename = getFixturePath("jsx", "foo.jsx");
+            const options = {
+                cwd: fixtureDir,
+                parserOptions: {
+                    ecmaFeatures: {
+                        jsx: true
+                    }
+                }
+            };
+            const sourceCode = getSourceCodeOfFiles(filename, options);
+
+            assert.isObject(sourceCode);
+            assert.instanceOf(sourceCode[filename], SourceCode);
+        });
+
+        it("should honor .eslintignore files by default", () => {
+            const glob = getFixturePath("*.js");
+            const unignoredFilename = getFixturePath("foo.js");
+            const ignoredFilename = getFixturePath("ignored.js");
+            const sourceCode = getSourceCodeOfFiles(glob, { cwd: fixtureDir });
+
+            assert.property(sourceCode, unignoredFilename);
+            assert.notProperty(sourceCode, ignoredFilename);
+        });
+
+        it("should obtain the sourceCode of all files in a specified folder", () => {
+            const folder = getFixturePath("nested");
+            const fooFile = getFixturePath("nested/foo.js");
+            const barFile = getFixturePath("nested/bar.js");
+            const sourceCode = getSourceCodeOfFiles(folder, { cwd: fixtureDir });
+
+            assert.strictEqual(Object.keys(sourceCode).length, 2);
+            assert.instanceOf(sourceCode[fooFile], SourceCode);
+            assert.instanceOf(sourceCode[barFile], SourceCode);
+        });
+
+        it("should accept cli options", () => {
+            const pattern = getFixturePath("ext");
+            const abcFile = getFixturePath("ext/foo.abc");
+            const cliOptions = { extensions: [".abc"], cwd: fixtureDir };
+            const sourceCode = getSourceCodeOfFiles(pattern, cliOptions);
+
+            assert.strictEqual(Object.keys(sourceCode).length, 1);
+            assert.instanceOf(sourceCode[abcFile], SourceCode);
+        });
+
+        it("should execute the callback function, if provided", () => {
+            const callback = sinon.spy();
+            const filename = getFixturePath("foo.js");
+
+            getSourceCodeOfFiles(filename, { cwd: fixtureDir }, callback);
+            assert(callback.calledOnce);
+        });
+
+        it("should execute callback function once per file", () => {
+            const callback = sinon.spy();
+            const fooFilename = getFixturePath("foo.js");
+            const barFilename = getFixturePath("bar.js");
+
+            getSourceCodeOfFiles([fooFilename, barFilename], { cwd: fixtureDir }, callback);
+            assert.strictEqual(callback.callCount, 2);
+        });
+
+        it("should call callback function with total number of files with sourceCode", () => {
+            const callback = sinon.spy();
+            const firstFn = getFixturePath("foo.js");
+            const secondFn = getFixturePath("bar.js");
+            const thirdFn = getFixturePath("nested/foo.js");
+
+            getSourceCodeOfFiles([firstFn, secondFn, thirdFn], { cwd: fixtureDir }, callback);
+            assert(callback.calledWith(3));
+        });
+
+    });
+
+});
diff --git a/eslint/tests/lib/linter/apply-disable-directives.js b/eslint/tests/lib/linter/apply-disable-directives.js
new file mode 100644
index 0000000..84dddcb
--- /dev/null
+++ b/eslint/tests/lib/linter/apply-disable-directives.js
@@ -0,0 +1,889 @@
+/**
+ * @fileoverview Tests for apply-disable-directives
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const assert = require("chai").assert;
+const applyDisableDirectives = require("../../../lib/linter/apply-disable-directives");
+
+describe("apply-disable-directives", () => {
+    describe("/* eslint-disable */ comments without rules", () => {
+        it("keeps problems before the comment on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: null }],
+                    problems: [{ line: 1, column: 7, ruleId: "foo" }]
+                }),
+                [{ ruleId: "foo", line: 1, column: 7 }]
+            );
+        });
+
+        it("keeps problems on a previous line before the comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 2, column: 8, ruleId: null }],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }]
+                }),
+                [{ ruleId: "foo", line: 1, column: 10 }]
+            );
+        });
+
+        it("filters problems at the same location as the comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: null }],
+                    problems: [{ line: 1, column: 8, ruleId: null }]
+                }),
+                []
+            );
+        });
+
+        it("filters out problems after the comment on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: null }],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("filters out problems on a later line than the comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: null }],
+                    problems: [{ line: 2, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+    });
+
+    describe("/* eslint-disable */ comments with rules", () => {
+        it("filters problems after the comment that have the same ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: "foo" }],
+                    problems: [{ line: 2, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("filters problems in the same location as the comment that have the same ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 8, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems after the comment that have a different ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: "foo" }],
+                    problems: [{ line: 2, column: 3, ruleId: "not-foo" }]
+                }),
+                [{ line: 2, column: 3, ruleId: "not-foo" }]
+            );
+        });
+
+        it("keeps problems before the comment that have the same ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 8, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 7, ruleId: "foo" }]
+                }),
+                [{ line: 1, column: 7, ruleId: "foo" }]
+            );
+        });
+    });
+
+    describe("eslint-enable comments without rules", () => {
+        it("keeps problems after the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [{ line: 1, column: 7, ruleId: "foo" }]
+                }),
+                [{ line: 1, column: 7, ruleId: "foo" }]
+            );
+        });
+
+        it("keeps problems in the same location as the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [{ line: 1, column: 5, ruleId: "foo" }]
+                }),
+                [{ line: 1, column: 5, ruleId: "foo" }]
+            );
+        });
+
+        it("filters out problems before the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [{ line: 1, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("filter out problems if disable all then enable foo and then disable foo", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: "foo" },
+                        { type: "disable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 3, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("filter out problems if disable all then enable foo and then disable all", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: "foo" },
+                        { type: "disable", line: 2, column: 1, ruleId: null }
+                    ],
+                    problems: [{ line: 3, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems before the eslint-enable comment if there is no corresponding disable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: "foo" },
+                        { type: "enable", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [{ line: 1, column: 3, ruleId: "not-foo" }]
+                }),
+                [{ line: 1, column: 3, ruleId: "not-foo" }]
+            );
+        });
+    });
+
+    describe("eslint-enable comments with rules", () => {
+        it("keeps problems after the comment that have the same ruleId as the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 4, ruleId: null },
+                        { type: "enable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 2, column: 4, ruleId: "foo" }]
+                }),
+                [{ line: 2, column: 4, ruleId: "foo" }]
+            );
+        });
+
+        it("keeps problems in the same location as the comment that have the same ruleId as the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 4, ruleId: null },
+                        { type: "enable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 2, column: 1, ruleId: "foo" }]
+                }),
+                [{ line: 2, column: 1, ruleId: "foo" }]
+            );
+        });
+
+        it("filters problems after the comment that have a different ruleId as the eslint-enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 4, ruleId: null },
+                        { type: "enable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 2, column: 4, ruleId: "not-foo" }]
+                }),
+                []
+            );
+        });
+
+        it("reenables reporting correctly even when followed by another enable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 3, ruleId: "foo" },
+                        { type: "enable", line: 1, column: 5, ruleId: "bar" }
+                    ],
+                    problems: [
+                        { line: 1, column: 2, ruleId: "foo" },
+                        { line: 1, column: 2, ruleId: "bar" },
+                        { line: 1, column: 4, ruleId: "foo" },
+                        { line: 1, column: 4, ruleId: "bar" },
+                        { line: 1, column: 6, ruleId: "foo" },
+                        { line: 1, column: 6, ruleId: "bar" }
+                    ]
+                }),
+                [
+                    { line: 1, column: 4, ruleId: "foo" },
+                    { line: 1, column: 6, ruleId: "foo" },
+                    { line: 1, column: 6, ruleId: "bar" }
+                ]
+            );
+        });
+    });
+
+    describe("eslint-disable-line comments without rules", () => {
+        it("keeps problems on a previous line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 2, column: 1, ruleId: null }],
+                    problems: [{ line: 1, column: 5, ruleId: "foo" }]
+                }),
+                [{ line: 1, column: 5, ruleId: "foo" }]
+            );
+        });
+
+        it("filters problems before the comment on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 5, ruleId: null }],
+                    problems: [{ line: 1, column: 1, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("filters problems after the comment on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 5, ruleId: null }],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems on a following line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 4 }],
+                    problems: [{ line: 2, column: 1, ruleId: "foo" }]
+                }),
+                [{ line: 2, column: 1, ruleId: "foo" }]
+            );
+        });
+    });
+
+    describe("eslint-disable-line comments with rules", () => {
+        it("filters problems on the current line that match the ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 4, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 2, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems on the current line that do not match the ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 4, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 2, ruleId: "not-foo" }]
+                }),
+                [{ line: 1, column: 2, ruleId: "not-foo" }]
+            );
+        });
+
+        it("filters problems on the current line that do not match the ruleId if preceded by a disable comment", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable-line", line: 1, column: 3, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 1, column: 5, ruleId: "not-foo" }]
+                }),
+                []
+            );
+        });
+
+        it("handles consecutive comments appropriately", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable-line", line: 1, column: 5, ruleId: "foo" },
+                        { type: "disable-line", line: 2, column: 5, ruleId: "foo" },
+                        { type: "disable-line", line: 3, column: 5, ruleId: "foo" },
+                        { type: "disable-line", line: 4, column: 5, ruleId: "foo" },
+                        { type: "disable-line", line: 5, column: 5, ruleId: "foo" },
+                        { type: "disable-line", line: 6, column: 5, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 2, column: 1, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+    });
+
+    describe("eslint-disable-next-line comments without rules", () => {
+        it("filters problems on the next line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 1, ruleId: null }],
+                    problems: [{ line: 2, column: 3, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 1, ruleId: null }],
+                    problems: [{ line: 1, column: 3, ruleId: "foo" }]
+                }),
+                [{ line: 1, column: 3, ruleId: "foo" }]
+            );
+        });
+
+        it("keeps problems after the next line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 1, ruleId: null }],
+                    problems: [{ line: 3, column: 3, ruleId: "foo" }]
+                }),
+                [{ line: 3, column: 3, ruleId: "foo" }]
+            );
+        });
+
+        it("filters problems on the next line even if there is an eslint-enable comment on the same line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable-next-line", line: 1, column: 1, ruleId: null },
+                        { type: "enable", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [{ line: 2, column: 2, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+    });
+
+    describe("eslint-disable-next-line comments with rules", () => {
+        it("filters problems on the next line that match the ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 1, ruleId: "foo" }],
+                    problems: [{ line: 2, column: 1, ruleId: "foo" }]
+                }),
+                []
+            );
+        });
+
+        it("keeps problems on the next line that do not match the ruleId", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 1, ruleId: "foo" }],
+                    problems: [{ line: 2, column: 1, ruleId: "not-foo" }]
+                }),
+                [{ line: 2, column: 1, ruleId: "not-foo" }]
+            );
+        });
+    });
+
+    describe("unrecognized directive types", () => {
+        it("throws a TypeError when it encounters an unrecognized directive", () => {
+            assert.throws(
+                () =>
+                    applyDisableDirectives({
+                        directives: [{ type: "foo", line: 1, column: 4, ruleId: "foo" }],
+                        problems: []
+                    }),
+                "Unrecognized directive type 'foo'"
+            );
+        });
+    });
+
+    describe("unused directives", () => {
+        it("Adds a problem for /* eslint-disable */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 5 }],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Does not add a problem for /* eslint-disable */ /* (problem) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 5, ruleId: null }],
+                    problems: [{ line: 2, column: 1, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                []
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable foo */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 5, ruleId: "foo" }],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable foo */ /* (problem from another rule) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 5, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 20, ruleId: "not-foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: "not-foo",
+                        line: 1,
+                        column: 20
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* (problem from foo) */ /* eslint-disable */ /* eslint-enable foo */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 5, ruleId: null },
+                        { type: "enable", line: 1, column: 6, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 1, column: 2, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: "foo",
+                        line: 1,
+                        column: 2
+                    },
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable */ /* eslint-enable */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 5, ruleId: null },
+                        { type: "enable", line: 1, column: 6, ruleId: null }
+                    ],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds two problems for /* eslint-disable */ /* eslint-disable */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable", line: 2, column: 1, ruleId: null }
+                    ],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 2,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable */ /* eslint-disable */ /* (problem) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable", line: 2, column: 1, ruleId: null }
+                    ],
+                    problems: [{ line: 3, column: 1, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable foo */ /* eslint-disable */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: "foo" },
+                        { type: "disable", line: 2, column: 1, ruleId: null }
+                    ],
+                    problems: [{ line: 3, column: 1, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Does not add a problem for /* eslint-disable foo */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable", line: 1, column: 5, ruleId: "foo" }],
+                    problems: [{ line: 1, column: 6, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                []
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable */ /* eslint-disable foo */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 3, column: 1, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable */ /* eslint-disable foo */ /* (problem from another rule) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable", line: 2, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 3, column: 1, ruleId: "bar" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 2,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable foo */ /* eslint-enable foo */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 5, ruleId: "foo" },
+                        { type: "enable", line: 1, column: 8, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: "foo",
+                        line: 1,
+                        column: 10
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for /* eslint-disable foo */ /* eslint-enable */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 5, ruleId: "foo" },
+                        { type: "enable", line: 1, column: 8, ruleId: null }
+                    ],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: "foo",
+                        line: 1,
+                        column: 10
+                    }
+                ]
+            );
+        });
+
+        it("Adds two problems for /* eslint-disable */ /* eslint-disable foo */ /* eslint-enable foo */ /* (problem from foo) */", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable", line: 2, column: 1, ruleId: "foo" },
+                        { type: "enable", line: 3, column: 1, ruleId: "foo" }
+                    ],
+                    problems: [{ line: 4, column: 1, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported from 'foo').",
+                        line: 2,
+                        column: 1,
+                        severity: 2,
+
+                        nodeType: null
+                    },
+                    {
+                        ruleId: "foo",
+                        line: 4,
+                        column: 1
+                    }
+                ]
+            );
+        });
+
+        it("Adds a problem for // eslint-disable-line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 5, ruleId: null }],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+
+        it("Does not add a problem for // eslint-disable-line (problem)", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-line", line: 1, column: 5, ruleId: null }],
+                    problems: [{ line: 1, column: 10, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                []
+            );
+        });
+
+        it("Adds a problem for // eslint-disable-next-line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 5, ruleId: null }],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Does not add a problem for // eslint-disable-next-line \\n (problem)", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 5, ruleId: null }],
+                    problems: [{ line: 2, column: 10, ruleId: "foo" }],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                []
+            );
+        });
+
+        it("adds two problems for /* eslint-disable */ // eslint-disable-line", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [
+                        { type: "disable", line: 1, column: 1, ruleId: null },
+                        { type: "disable-line", line: 1, column: 5, ruleId: null }
+                    ],
+                    problems: [],
+                    reportUnusedDisableDirectives: "error"
+                }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    },
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 5,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("Does not add problems when reportUnusedDisableDirectives: \"off\" is used", () => {
+            assert.deepStrictEqual(
+                applyDisableDirectives({
+                    directives: [{ type: "disable-next-line", line: 1, column: 5, ruleId: null }],
+                    problems: [],
+                    reportUnusedDisableDirectives: "off"
+                }),
+                []
+            );
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/code-path-analysis/code-path-analyzer.js b/eslint/tests/lib/linter/code-path-analysis/code-path-analyzer.js
new file mode 100644
index 0000000..6460ba1
--- /dev/null
+++ b/eslint/tests/lib/linter/code-path-analysis/code-path-analyzer.js
@@ -0,0 +1,570 @@
+/**
+ * @fileoverview Tests for CodePathAnalyzer.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert"),
+    fs = require("fs"),
+    path = require("path"),
+    { Linter } = require("../../../../lib/linter"),
+    EventGeneratorTester = require("../../../../tools/internal-testers/event-generator-tester"),
+    createEmitter = require("../../../../lib/linter/safe-emitter"),
+    debug = require("../../../../lib/linter/code-path-analysis/debug-helpers"),
+    CodePath = require("../../../../lib/linter/code-path-analysis/code-path"),
+    CodePathAnalyzer = require("../../../../lib/linter/code-path-analysis/code-path-analyzer"),
+    CodePathSegment = require("../../../../lib/linter/code-path-analysis/code-path-segment"),
+    NodeEventGenerator = require("../../../../lib/linter/node-event-generator");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const expectedPattern = /\/\*expected\s+((?:.|[\r\n])+?)\s*\*\//gu;
+const lineEndingPattern = /\r?\n/gu;
+const linter = new Linter();
+
+/**
+ * Extracts the content of `/*expected` comments from a given source code.
+ * It's expected DOT arrows.
+ * @param {string} source A source code text.
+ * @returns {string[]} DOT arrows.
+ */
+function getExpectedDotArrows(source) {
+    expectedPattern.lastIndex = 0;
+
+    const retv = [];
+    let m;
+
+    while ((m = expectedPattern.exec(source)) !== null) {
+        retv.push(m[1].replace(lineEndingPattern, "\n"));
+    }
+
+    return retv;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("CodePathAnalyzer", () => {
+    EventGeneratorTester.testEventGeneratorInterface(
+        new CodePathAnalyzer(new NodeEventGenerator(createEmitter()))
+    );
+
+    describe("interface of code paths", () => {
+        let actual = [];
+
+        beforeEach(() => {
+            actual = [];
+            linter.defineRule("test", () => ({
+                onCodePathStart(codePath) {
+                    actual.push(codePath);
+                }
+            }));
+            linter.verify(
+                "function foo(a) { if (a) return 0; else throw new Error(); }",
+                { rules: { test: 2 } }
+            );
+        });
+
+        it("should have `id` as unique string", () => {
+            assert(typeof actual[0].id === "string");
+            assert(typeof actual[1].id === "string");
+            assert(actual[0].id !== actual[1].id);
+        });
+
+        it("should have `upper` as CodePath", () => {
+            assert(actual[0].upper === null);
+            assert(actual[1].upper === actual[0]);
+        });
+
+        it("should have `childCodePaths` as CodePath[]", () => {
+            assert(Array.isArray(actual[0].childCodePaths));
+            assert(Array.isArray(actual[1].childCodePaths));
+            assert(actual[0].childCodePaths.length === 1);
+            assert(actual[1].childCodePaths.length === 0);
+            assert(actual[0].childCodePaths[0] === actual[1]);
+        });
+
+        it("should have `initialSegment` as CodePathSegment", () => {
+            assert(actual[0].initialSegment instanceof CodePathSegment);
+            assert(actual[1].initialSegment instanceof CodePathSegment);
+            assert(actual[0].initialSegment.prevSegments.length === 0);
+            assert(actual[1].initialSegment.prevSegments.length === 0);
+        });
+
+        it("should have `finalSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].finalSegments));
+            assert(Array.isArray(actual[1].finalSegments));
+            assert(actual[0].finalSegments.length === 1);
+            assert(actual[1].finalSegments.length === 2);
+            assert(actual[0].finalSegments[0].nextSegments.length === 0);
+            assert(actual[1].finalSegments[0].nextSegments.length === 0);
+            assert(actual[1].finalSegments[1].nextSegments.length === 0);
+
+            // finalSegments should include returnedSegments and thrownSegments.
+            assert(actual[0].finalSegments[0] === actual[0].returnedSegments[0]);
+            assert(actual[1].finalSegments[0] === actual[1].returnedSegments[0]);
+            assert(actual[1].finalSegments[1] === actual[1].thrownSegments[0]);
+        });
+
+        it("should have `returnedSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].returnedSegments));
+            assert(Array.isArray(actual[1].returnedSegments));
+            assert(actual[0].returnedSegments.length === 1);
+            assert(actual[1].returnedSegments.length === 1);
+            assert(actual[0].returnedSegments[0] instanceof CodePathSegment);
+            assert(actual[1].returnedSegments[0] instanceof CodePathSegment);
+        });
+
+        it("should have `thrownSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].thrownSegments));
+            assert(Array.isArray(actual[1].thrownSegments));
+            assert(actual[0].thrownSegments.length === 0);
+            assert(actual[1].thrownSegments.length === 1);
+            assert(actual[1].thrownSegments[0] instanceof CodePathSegment);
+        });
+
+        it("should have `currentSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].currentSegments));
+            assert(Array.isArray(actual[1].currentSegments));
+            assert(actual[0].currentSegments.length === 0);
+            assert(actual[1].currentSegments.length === 0);
+
+            // there is the current segment in progress.
+            linter.defineRule("test", () => {
+                let codePath = null;
+
+                return {
+                    onCodePathStart(cp) {
+                        codePath = cp;
+                    },
+                    ReturnStatement() {
+                        assert(codePath.currentSegments.length === 1);
+                        assert(codePath.currentSegments[0] instanceof CodePathSegment);
+                    },
+                    ThrowStatement() {
+                        assert(codePath.currentSegments.length === 1);
+                        assert(codePath.currentSegments[0] instanceof CodePathSegment);
+                    }
+                };
+            });
+            linter.verify(
+                "function foo(a) { if (a) return 0; else throw new Error(); }",
+                { rules: { test: 2 } }
+            );
+        });
+    });
+
+    describe("interface of code path segments", () => {
+        let actual = [];
+
+        beforeEach(() => {
+            actual = [];
+            linter.defineRule("test", () => ({
+                onCodePathSegmentStart(segment) {
+                    actual.push(segment);
+                }
+            }));
+            linter.verify(
+                "function foo(a) { if (a) return 0; else throw new Error(); }",
+                { rules: { test: 2 } }
+            );
+        });
+
+        it("should have `id` as unique string", () => {
+            assert(typeof actual[0].id === "string");
+            assert(typeof actual[1].id === "string");
+            assert(typeof actual[2].id === "string");
+            assert(typeof actual[3].id === "string");
+            assert(actual[0].id !== actual[1].id);
+            assert(actual[0].id !== actual[2].id);
+            assert(actual[0].id !== actual[3].id);
+            assert(actual[1].id !== actual[2].id);
+            assert(actual[1].id !== actual[3].id);
+            assert(actual[2].id !== actual[3].id);
+        });
+
+        it("should have `nextSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].nextSegments));
+            assert(Array.isArray(actual[1].nextSegments));
+            assert(Array.isArray(actual[2].nextSegments));
+            assert(Array.isArray(actual[3].nextSegments));
+            assert(actual[0].nextSegments.length === 0);
+            assert(actual[1].nextSegments.length === 2);
+            assert(actual[2].nextSegments.length === 0);
+            assert(actual[3].nextSegments.length === 0);
+            assert(actual[1].nextSegments[0] === actual[2]);
+            assert(actual[1].nextSegments[1] === actual[3]);
+        });
+
+        it("should have `allNextSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].allNextSegments));
+            assert(Array.isArray(actual[1].allNextSegments));
+            assert(Array.isArray(actual[2].allNextSegments));
+            assert(Array.isArray(actual[3].allNextSegments));
+            assert(actual[0].allNextSegments.length === 0);
+            assert(actual[1].allNextSegments.length === 2);
+            assert(actual[2].allNextSegments.length === 1);
+            assert(actual[3].allNextSegments.length === 1);
+            assert(actual[2].allNextSegments[0].reachable === false);
+            assert(actual[3].allNextSegments[0].reachable === false);
+        });
+
+        it("should have `prevSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].prevSegments));
+            assert(Array.isArray(actual[1].prevSegments));
+            assert(Array.isArray(actual[2].prevSegments));
+            assert(Array.isArray(actual[3].prevSegments));
+            assert(actual[0].prevSegments.length === 0);
+            assert(actual[1].prevSegments.length === 0);
+            assert(actual[2].prevSegments.length === 1);
+            assert(actual[3].prevSegments.length === 1);
+            assert(actual[2].prevSegments[0] === actual[1]);
+            assert(actual[3].prevSegments[0] === actual[1]);
+        });
+
+        it("should have `allPrevSegments` as CodePathSegment[]", () => {
+            assert(Array.isArray(actual[0].allPrevSegments));
+            assert(Array.isArray(actual[1].allPrevSegments));
+            assert(Array.isArray(actual[2].allPrevSegments));
+            assert(Array.isArray(actual[3].allPrevSegments));
+            assert(actual[0].allPrevSegments.length === 0);
+            assert(actual[1].allPrevSegments.length === 0);
+            assert(actual[2].allPrevSegments.length === 1);
+            assert(actual[3].allPrevSegments.length === 1);
+        });
+
+        it("should have `reachable` as boolean", () => {
+            assert(actual[0].reachable === true);
+            assert(actual[1].reachable === true);
+            assert(actual[2].reachable === true);
+            assert(actual[3].reachable === true);
+        });
+    });
+
+    describe("onCodePathStart", () => {
+        it("should be fired at the head of programs/functions", () => {
+            let count = 0;
+            let lastCodePathNodeType = null;
+
+            linter.defineRule("test", () => ({
+                onCodePathStart(cp, node) {
+                    count += 1;
+                    lastCodePathNodeType = node.type;
+
+                    assert(cp instanceof CodePath);
+                    if (count === 1) {
+                        assert(node.type === "Program");
+                    } else if (count === 2) {
+                        assert(node.type === "FunctionDeclaration");
+                    } else if (count === 3) {
+                        assert(node.type === "FunctionExpression");
+                    } else if (count === 4) {
+                        assert(node.type === "ArrowFunctionExpression");
+                    }
+                },
+                Program() {
+                    assert(lastCodePathNodeType === "Program");
+                },
+                FunctionDeclaration() {
+                    assert(lastCodePathNodeType === "FunctionDeclaration");
+                },
+                FunctionExpression() {
+                    assert(lastCodePathNodeType === "FunctionExpression");
+                },
+                ArrowFunctionExpression() {
+                    assert(lastCodePathNodeType === "ArrowFunctionExpression");
+                }
+            }));
+            linter.verify(
+                "foo(); function foo() {} var foo = function() {}; var foo = () => {};",
+                { rules: { test: 2 }, env: { es6: true } }
+            );
+
+            assert(count === 4);
+        });
+    });
+
+    describe("onCodePathEnd", () => {
+        it("should be fired at the end of programs/functions", () => {
+            let count = 0;
+            let lastNodeType = null;
+
+            linter.defineRule("test", () => ({
+                onCodePathEnd(cp, node) {
+                    count += 1;
+
+                    assert(cp instanceof CodePath);
+                    if (count === 4) {
+                        assert(node.type === "Program");
+                    } else if (count === 1) {
+                        assert(node.type === "FunctionDeclaration");
+                    } else if (count === 2) {
+                        assert(node.type === "FunctionExpression");
+                    } else if (count === 3) {
+                        assert(node.type === "ArrowFunctionExpression");
+                    }
+                    assert(node.type === lastNodeType);
+                },
+                "Program:exit"() {
+                    lastNodeType = "Program";
+                },
+                "FunctionDeclaration:exit"() {
+                    lastNodeType = "FunctionDeclaration";
+                },
+                "FunctionExpression:exit"() {
+                    lastNodeType = "FunctionExpression";
+                },
+                "ArrowFunctionExpression:exit"() {
+                    lastNodeType = "ArrowFunctionExpression";
+                }
+            }));
+            linter.verify(
+                "foo(); function foo() {} var foo = function() {}; var foo = () => {};",
+                { rules: { test: 2 }, env: { es6: true } }
+            );
+
+            assert(count === 4);
+        });
+    });
+
+    describe("onCodePathSegmentStart", () => {
+        it("should be fired at the head of programs/functions for the initial segment", () => {
+            let count = 0;
+            let lastCodePathNodeType = null;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentStart(segment, node) {
+                    count += 1;
+                    lastCodePathNodeType = node.type;
+
+                    assert(segment instanceof CodePathSegment);
+                    if (count === 1) {
+                        assert(node.type === "Program");
+                    } else if (count === 2) {
+                        assert(node.type === "FunctionDeclaration");
+                    } else if (count === 3) {
+                        assert(node.type === "FunctionExpression");
+                    } else if (count === 4) {
+                        assert(node.type === "ArrowFunctionExpression");
+                    }
+                },
+                Program() {
+                    assert(lastCodePathNodeType === "Program");
+                },
+                FunctionDeclaration() {
+                    assert(lastCodePathNodeType === "FunctionDeclaration");
+                },
+                FunctionExpression() {
+                    assert(lastCodePathNodeType === "FunctionExpression");
+                },
+                ArrowFunctionExpression() {
+                    assert(lastCodePathNodeType === "ArrowFunctionExpression");
+                }
+            }));
+            linter.verify(
+                "foo(); function foo() {} var foo = function() {}; var foo = () => {};",
+                { rules: { test: 2 }, env: { es6: true } }
+            );
+
+            assert(count === 4);
+        });
+    });
+
+    describe("onCodePathSegmentEnd", () => {
+        it("should be fired at the end of programs/functions for the final segment", () => {
+            let count = 0;
+            let lastNodeType = null;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentEnd(cp, node) {
+                    count += 1;
+
+                    assert(cp instanceof CodePathSegment);
+                    if (count === 4) {
+                        assert(node.type === "Program");
+                    } else if (count === 1) {
+                        assert(node.type === "FunctionDeclaration");
+                    } else if (count === 2) {
+                        assert(node.type === "FunctionExpression");
+                    } else if (count === 3) {
+                        assert(node.type === "ArrowFunctionExpression");
+                    }
+                    assert(node.type === lastNodeType);
+                },
+                "Program:exit"() {
+                    lastNodeType = "Program";
+                },
+                "FunctionDeclaration:exit"() {
+                    lastNodeType = "FunctionDeclaration";
+                },
+                "FunctionExpression:exit"() {
+                    lastNodeType = "FunctionExpression";
+                },
+                "ArrowFunctionExpression:exit"() {
+                    lastNodeType = "ArrowFunctionExpression";
+                }
+            }));
+            linter.verify(
+                "foo(); function foo() {} var foo = function() {}; var foo = () => {};",
+                { rules: { test: 2 }, env: { es6: true } }
+            );
+
+            assert(count === 4);
+        });
+    });
+
+    describe("onCodePathSegmentLoop", () => {
+        it("should be fired in `while` loops", () => {
+            let count = 0;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentLoop(fromSegment, toSegment, node) {
+                    count += 1;
+                    assert(fromSegment instanceof CodePathSegment);
+                    assert(toSegment instanceof CodePathSegment);
+                    assert(node.type === "WhileStatement");
+                }
+            }));
+            linter.verify(
+                "while (a) { foo(); }",
+                { rules: { test: 2 } }
+            );
+
+            assert(count === 1);
+        });
+
+        it("should be fired in `do-while` loops", () => {
+            let count = 0;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentLoop(fromSegment, toSegment, node) {
+                    count += 1;
+                    assert(fromSegment instanceof CodePathSegment);
+                    assert(toSegment instanceof CodePathSegment);
+                    assert(node.type === "DoWhileStatement");
+                }
+            }));
+            linter.verify(
+                "do { foo(); } while (a);",
+                { rules: { test: 2 } }
+            );
+
+            assert(count === 1);
+        });
+
+        it("should be fired in `for` loops", () => {
+            let count = 0;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentLoop(fromSegment, toSegment, node) {
+                    count += 1;
+                    assert(fromSegment instanceof CodePathSegment);
+                    assert(toSegment instanceof CodePathSegment);
+
+                    if (count === 1) {
+
+                        // connect path: "update" -> "test"
+                        assert(node.parent.type === "ForStatement");
+                    } else if (count === 2) {
+                        assert(node.type === "ForStatement");
+                    }
+                }
+            }));
+            linter.verify(
+                "for (var i = 0; i < 10; ++i) { foo(); }",
+                { rules: { test: 2 } }
+            );
+
+            assert(count === 2);
+        });
+
+        it("should be fired in `for-in` loops", () => {
+            let count = 0;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentLoop(fromSegment, toSegment, node) {
+                    count += 1;
+                    assert(fromSegment instanceof CodePathSegment);
+                    assert(toSegment instanceof CodePathSegment);
+
+                    if (count === 1) {
+
+                        // connect path: "right" -> "left"
+                        assert(node.parent.type === "ForInStatement");
+                    } else if (count === 2) {
+                        assert(node.type === "ForInStatement");
+                    }
+                }
+            }));
+            linter.verify(
+                "for (var k in obj) { foo(); }",
+                { rules: { test: 2 } }
+            );
+
+            assert(count === 2);
+        });
+
+        it("should be fired in `for-of` loops", () => {
+            let count = 0;
+
+            linter.defineRule("test", () => ({
+                onCodePathSegmentLoop(fromSegment, toSegment, node) {
+                    count += 1;
+                    assert(fromSegment instanceof CodePathSegment);
+                    assert(toSegment instanceof CodePathSegment);
+
+                    if (count === 1) {
+
+                        // connect path: "right" -> "left"
+                        assert(node.parent.type === "ForOfStatement");
+                    } else if (count === 2) {
+                        assert(node.type === "ForOfStatement");
+                    }
+                }
+            }));
+            linter.verify(
+                "for (var x of xs) { foo(); }",
+                { rules: { test: 2 }, env: { es6: true } }
+            );
+
+            assert(count === 2);
+        });
+    });
+
+    describe("completed code paths are correct", () => {
+        const testDataDir = path.join(__dirname, "../../../fixtures/code-path-analysis/");
+        const testDataFiles = fs.readdirSync(testDataDir);
+
+        testDataFiles.forEach(file => {
+            it(file, () => {
+                const source = fs.readFileSync(path.join(testDataDir, file), { encoding: "utf8" });
+                const expected = getExpectedDotArrows(source);
+                const actual = [];
+
+                assert(expected.length > 0, "/*expected */ comments not found.");
+
+                linter.defineRule("test", () => ({
+                    onCodePathEnd(codePath) {
+                        actual.push(debug.makeDotArrows(codePath));
+                    }
+                }));
+                const messages = linter.verify(source, { rules: { test: 2 }, env: { es6: true } });
+
+                assert.strictEqual(messages.length, 0);
+                assert.strictEqual(actual.length, expected.length, "a count of code paths is wrong.");
+
+                for (let i = 0; i < actual.length; ++i) {
+                    assert.strictEqual(actual[i], expected[i]);
+                }
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/code-path-analysis/code-path.js b/eslint/tests/lib/linter/code-path-analysis/code-path.js
new file mode 100644
index 0000000..9c0ae9f
--- /dev/null
+++ b/eslint/tests/lib/linter/code-path-analysis/code-path.js
@@ -0,0 +1,306 @@
+/**
+ * @fileoverview Tests for CodePath.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert"),
+    { Linter } = require("../../../../lib/linter");
+const linter = new Linter();
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the code path of a given source code.
+ * @param {string} code A source code.
+ * @returns {CodePath[]} A list of created code paths.
+ */
+function parseCodePaths(code) {
+    const retv = [];
+
+    linter.defineRule("test", () => ({
+        onCodePathStart(codePath) {
+            retv.push(codePath);
+        }
+    }));
+    linter.verify(code, { rules: { test: 2 } });
+
+    return retv;
+}
+
+/**
+ * Traverses a given code path then returns the order of traversing.
+ * @param {CodePath} codePath A code path to traverse.
+ * @param {Object|undefined} [options] The option object of
+ *      `codePath.traverseSegments()` method.
+ * @param {Function|undefined} [callback] The callback function of
+ *      `codePath.traverseSegments()` method.
+ * @returns {string[]} The list of segment's ids in the order traversed.
+ */
+function getOrderOfTraversing(codePath, options, callback) {
+    const retv = [];
+
+    codePath.traverseSegments(options, (segment, controller) => {
+        retv.push(segment.id);
+        if (callback) {
+            callback(segment, controller); // eslint-disable-line callback-return
+        }
+    });
+
+    return retv;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("CodePathAnalyzer", () => {
+    describe(".traverseSegments()", () => {
+        describe("should traverse segments from the first to the end:", () => {
+            /* eslint-disable internal-rules/multiline-comment-style */
+            it("simple", () => {
+                const codePath = parseCodePaths("foo(); bar(); baz();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nExpressionStatement\nCallExpression\nIdentifier (foo)\nExpressionStatement\nCallExpression\nIdentifier (bar)\nExpressionStatement\nCallExpression\nIdentifier (baz)"];
+                    initial->s1_1->final;
+                }
+                */
+            });
+
+            it("if", () => {
+                const codePath = parseCodePaths("if (a) foo(); else bar(); baz();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_3", "s1_4"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+                    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (baz)"];
+                    s1_3[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    initial->s1_1->s1_2->s1_4;
+                    s1_1->s1_3->s1_4->final;
+                }
+                */
+            });
+
+            it("switch", () => {
+                const codePath = parseCodePaths("switch (a) { case 0: foo(); break; case 1: bar(); } baz();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_4", "s1_5", "s1_6"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nSwitchStatement\nIdentifier (a)\nSwitchCase\nLiteral (0)"];
+                    s1_2[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nBreakStatement"];
+                    s1_3[style="rounded,dashed,filled",fillcolor="#FF9800",label="<<unreachable>>\nSwitchCase:exit"];
+                    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (baz)"];
+                    s1_4[label="SwitchCase\nLiteral (1)"];
+                    initial->s1_1->s1_2->s1_3->s1_5->s1_6;
+                    s1_1->s1_4->s1_5;
+                    s1_2->s1_6;
+                    s1_4->s1_6->final;
+                }
+                */
+            });
+
+            it("while", () => {
+                const codePath = parseCodePaths("while (a) foo(); bar();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_3", "s1_4"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nWhileStatement"];
+                    s1_2[label="Identifier (a)"];
+                    s1_3[label="ExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    initial->s1_1->s1_2->s1_3->s1_2->s1_4->final;
+                }
+                */
+            });
+
+            it("for", () => {
+                const codePath = parseCodePaths("for (var i = 0; i < 10; ++i) foo(i); bar();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_3", "s1_4", "s1_5"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nForStatement\nVariableDeclaration\nVariableDeclarator\nIdentifier (i)\nLiteral (0)"];
+                    s1_2[label="BinaryExpression\nIdentifier (i)\nLiteral (10)"];
+                    s1_3[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (i)"];
+                    s1_4[label="UpdateExpression\nIdentifier (i)"];
+                    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    initial->s1_1->s1_2->s1_3->s1_4->s1_2->s1_5->final;
+                }
+                */
+            });
+
+            it("for-in", () => {
+                const codePath = parseCodePaths("for (var key in obj) foo(key); bar();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_3", "s1_2", "s1_4", "s1_5"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nForInStatement"];
+                    s1_3[label="Identifier (obj)"];
+                    s1_2[label="VariableDeclaration\nVariableDeclarator\nIdentifier (key)"];
+                    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (foo)\nIdentifier (key)"];
+                    s1_5[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    initial->s1_1->s1_3->s1_2->s1_4->s1_2;
+                    s1_3->s1_5;
+                    s1_4->s1_5->final;
+                }
+                */
+            });
+
+            it("try-catch", () => {
+                const codePath = parseCodePaths("try { foo(); } catch (e) { bar(); } baz();")[0];
+                const order = getOrderOfTraversing(codePath);
+
+                assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_3", "s1_4"]);
+
+                /*
+                digraph {
+                    node[shape=box,style="rounded,filled",fillcolor=white];
+                    initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                    s1_1[label="Program\nTryStatement\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                    s1_2[label="CallExpression:exit\nExpressionStatement:exit\nBlockStatement:exit"];
+                    s1_3[label="CatchClause\nIdentifier (e)\nBlockStatement\nExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                    s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (baz)"];
+                    initial->s1_1->s1_2->s1_3->s1_4;
+                    s1_1->s1_3;
+                    s1_2->s1_4->final;
+                }
+                */
+            });
+        });
+
+        it("should traverse segments from `options.first` to `options.last`.", () => {
+            const codePath = parseCodePaths("if (a) { if (b) { foo(); } bar(); } else { out1(); } out2();")[0];
+            const order = getOrderOfTraversing(codePath, {
+                first: codePath.initialSegment.nextSegments[0],
+                last: codePath.initialSegment.nextSegments[0].nextSegments[1]
+            });
+
+            assert.deepStrictEqual(order, ["s1_2", "s1_3", "s1_4"]);
+
+            /*
+            digraph {
+                node[shape=box,style="rounded,filled",fillcolor=white];
+                initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+                s1_2[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+                s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (out2)"];
+                s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (out1)"];
+                initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+                s1_1->s1_5->s1_6;
+                s1_2->s1_4;
+                s1_6->final;
+            }
+            */
+        });
+
+        it("should stop immediately when 'controller.break()' was called.", () => {
+            const codePath = parseCodePaths("if (a) { if (b) { foo(); } bar(); } else { out1(); } out2();")[0];
+            const order = getOrderOfTraversing(codePath, null, (segment, controller) => {
+                if (segment.id === "s1_2") {
+                    controller.break();
+                }
+            });
+
+            assert.deepStrictEqual(order, ["s1_1", "s1_2"]);
+
+            /*
+            digraph {
+                node[shape=box,style="rounded,filled",fillcolor=white];
+                initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+                s1_2[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+                s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (out2)"];
+                s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (out1)"];
+                initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+                s1_1->s1_5->s1_6;
+                s1_2->s1_4;
+                s1_6->final;
+            }
+            */
+        });
+
+        it("should skip the current branch when 'controller.skip()' was called.", () => {
+            const codePath = parseCodePaths("if (a) { if (b) { foo(); } bar(); } else { out1(); } out2();")[0];
+            const order = getOrderOfTraversing(codePath, null, (segment, controller) => {
+                if (segment.id === "s1_2") {
+                    controller.skip();
+                }
+            });
+
+            assert.deepStrictEqual(order, ["s1_1", "s1_2", "s1_5", "s1_6"]);
+
+            /*
+            digraph {
+                node[shape=box,style="rounded,filled",fillcolor=white];
+                initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];
+                s1_1[label="Program\nIfStatement\nIdentifier (a)"];
+                s1_2[label="BlockStatement\nIfStatement\nIdentifier (b)"];
+                s1_3[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (foo)"];
+                s1_4[label="ExpressionStatement\nCallExpression\nIdentifier (bar)"];
+                s1_6[label="ExpressionStatement\nCallExpression\nIdentifier (out2)"];
+                s1_5[label="BlockStatement\nExpressionStatement\nCallExpression\nIdentifier (out1)"];
+                initial->s1_1->s1_2->s1_3->s1_4->s1_6;
+                s1_1->s1_5->s1_6;
+                s1_2->s1_4;
+                s1_6->final;
+            }
+            */
+        });
+
+        /* eslint-enable internal-rules/multiline-comment-style */
+    });
+});
diff --git a/eslint/tests/lib/linter/config-comment-parser.js b/eslint/tests/lib/linter/config-comment-parser.js
new file mode 100644
index 0000000..f51fe69
--- /dev/null
+++ b/eslint/tests/lib/linter/config-comment-parser.js
@@ -0,0 +1,229 @@
+/**
+ * @fileoverview Tests for ConfigCommentParser object.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    ConfigCommentParser = require("../../../lib/linter/config-comment-parser");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("ConfigCommentParser", () => {
+
+    let commentParser;
+    const location = {
+        start: {
+            line: 1,
+            column: 0
+        }
+    };
+
+    beforeEach(() => {
+        commentParser = new ConfigCommentParser();
+    });
+
+    describe("parseJsonConfig", () => {
+
+        it("should parse JSON config with one item", () => {
+            const code = "no-alert:0";
+            const result = commentParser.parseJsonConfig(code, location);
+
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "no-alert": 0
+                }
+            });
+        });
+
+        it("should parse JSON config with two items", () => {
+            const code = "no-alert:0 semi: 2";
+            const result = commentParser.parseJsonConfig(code, location);
+
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "no-alert": 0,
+                    semi: 2
+                }
+            });
+        });
+
+        it("should parse JSON config with two comma-separated items", () => {
+            const code = "no-alert:0,semi: 2";
+            const result = commentParser.parseJsonConfig(code, location);
+
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "no-alert": 0,
+                    semi: 2
+                }
+            });
+        });
+
+        it("should parse JSON config with two items and a string severity", () => {
+            const code = "no-alert:off,semi: 2";
+            const result = commentParser.parseJsonConfig(code, location);
+
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "no-alert": "off",
+                    semi: 2
+                }
+            });
+        });
+
+        it("should parse JSON config with two items and options", () => {
+            const code = "no-alert:off, semi: [2, always]";
+            const result = commentParser.parseJsonConfig(code, location);
+
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "no-alert": "off",
+                    semi: [2, "always"]
+                }
+            });
+        });
+
+        it("should parse JSON config with two items and options from plugins", () => {
+            const code = "plugin/no-alert:off, plugin/semi: [2, always]";
+            const result = commentParser.parseJsonConfig(code, location);
+
+            assert.deepStrictEqual(result, {
+                success: true,
+                config: {
+                    "plugin/no-alert": "off",
+                    "plugin/semi": [2, "always"]
+                }
+            });
+        });
+
+
+    });
+
+    describe("parseStringConfig", () => {
+
+        const comment = {};
+
+        it("should parse String config with one item", () => {
+            const code = "a: true";
+            const result = commentParser.parseStringConfig(code, comment);
+
+            assert.deepStrictEqual(result, {
+                a: {
+                    value: "true",
+                    comment
+                }
+            });
+        });
+
+        it("should parse String config with one item and no value", () => {
+            const code = "a";
+            const result = commentParser.parseStringConfig(code, comment);
+
+            assert.deepStrictEqual(result, {
+                a: {
+                    value: null,
+                    comment
+                }
+            });
+        });
+
+        it("should parse String config with two items", () => {
+            const code = "a: five b:three";
+            const result = commentParser.parseStringConfig(code, comment);
+
+            assert.deepStrictEqual(result, {
+                a: {
+                    value: "five",
+                    comment
+                },
+                b: {
+                    value: "three",
+                    comment
+                }
+            });
+        });
+
+        it("should parse String config with two comma-separated items", () => {
+            const code = "a: seventy, b:ELEVENTEEN";
+            const result = commentParser.parseStringConfig(code, comment);
+
+            assert.deepStrictEqual(result, {
+                a: {
+                    value: "seventy",
+                    comment
+                },
+                b: {
+                    value: "ELEVENTEEN",
+                    comment
+                }
+            });
+        });
+
+        it("should parse String config with two comma-separated items and no values", () => {
+            const code = "a , b";
+            const result = commentParser.parseStringConfig(code, comment);
+
+            assert.deepStrictEqual(result, {
+                a: {
+                    value: null,
+                    comment
+                },
+                b: {
+                    value: null,
+                    comment
+                }
+            });
+        });
+    });
+
+    describe("parseListConfig", () => {
+
+        it("should parse list config with one item", () => {
+            const code = "a";
+            const result = commentParser.parseListConfig(code);
+
+            assert.deepStrictEqual(result, {
+                a: true
+            });
+        });
+
+        it("should parse list config with two items", () => {
+            const code = "a, b";
+            const result = commentParser.parseListConfig(code);
+
+            assert.deepStrictEqual(result, {
+                a: true,
+                b: true
+            });
+        });
+
+        it("should parse list config with two items and exta whitespace", () => {
+            const code = "  a , b  ";
+            const result = commentParser.parseListConfig(code);
+
+            assert.deepStrictEqual(result, {
+                a: true,
+                b: true
+            });
+        });
+    });
+
+});
diff --git a/eslint/tests/lib/linter/interpolate.js b/eslint/tests/lib/linter/interpolate.js
new file mode 100644
index 0000000..a705790
--- /dev/null
+++ b/eslint/tests/lib/linter/interpolate.js
@@ -0,0 +1,22 @@
+"use strict";
+
+const assert = require("chai").assert;
+const interpolate = require("../../../lib/linter/interpolate");
+
+describe("interpolate()", () => {
+    it("passes through text without {{ }}", () => {
+        const message = "This is a very important message!";
+
+        assert.strictEqual(interpolate(message, {}), message);
+    });
+    it("passes through text with {{ }} that don’t match a key", () => {
+        const message = "This is a very important {{ message }}!";
+
+        assert.strictEqual(interpolate(message, {}), message);
+    });
+    it("Properly interpolates keys in {{ }}", () => {
+        assert.strictEqual(interpolate("This is a very important {{ message }}!", {
+            message: "test"
+        }), "This is a very important test!");
+    });
+});
diff --git a/eslint/tests/lib/linter/linter.js b/eslint/tests/lib/linter/linter.js
new file mode 100644
index 0000000..74d231e
--- /dev/null
+++ b/eslint/tests/lib/linter/linter.js
@@ -0,0 +1,5348 @@
+/**
+ * @fileoverview Tests for eslint object.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper
+//------------------------------------------------------------------------------
+
+/**
+ * To make sure this works in both browsers and Node.js
+ * @param {string} name Name of the module to require
+ * @param {Object} windowName name of the window
+ * @returns {Object} Required object
+ * @private
+ */
+function compatRequire(name, windowName) {
+    if (typeof window === "object") { // eslint-disable-line no-undef
+        return window[windowName || name]; // eslint-disable-line no-undef
+    }
+    if (typeof require === "function") {
+        return require(name);
+    }
+    throw new Error(`Cannot find object '${name}'.`);
+}
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    sinon = require("sinon"),
+    esprima = require("esprima"),
+    testParsers = require("../../fixtures/parsers/linter-test-parsers");
+
+const { Linter } = compatRequire("../../../lib/linter", "eslint");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const TEST_CODE = "var answer = 6 * 7;",
+    BROKEN_TEST_CODE = "var;";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get variables in the current scope
+ * @param {Object} scope current scope
+ * @param {string} name name of the variable to look for
+ * @returns {ASTNode|null} The variable object
+ * @private
+ */
+function getVariable(scope, name) {
+    return scope.variables.find(v => v.name === name) || null;
+}
+
+/**
+ * `eslint-env` comments are processed by doing a full source text match before parsing.
+ * As a result, if this source file contains `eslint- env` followed by an environment in a string,
+ * it will actually enable the given envs for this source file. This variable is used to avoid having a string
+ * like that appear in the code.
+ */
+const ESLINT_ENV = "eslint-env";
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("Linter", () => {
+    const filename = "filename.js";
+
+    /** @type {InstanceType<import("../../../lib/linter/linter.js")["Linter"]>} */
+    let linter;
+
+    beforeEach(() => {
+        linter = new Linter();
+    });
+
+    afterEach(() => {
+        sinon.verifyAndRestore();
+    });
+
+    describe("Static Members", () => {
+        describe("version", () => {
+            it("should return same version as instance property", () => {
+                assert.strictEqual(Linter.version, linter.version);
+            });
+        });
+    });
+
+    describe("when using events", () => {
+        const code = TEST_CODE;
+
+        it("an error should be thrown when an error occurs inside of an event handler", () => {
+            const config = { rules: { checker: "error" } };
+
+            linter.defineRule("checker", () => ({
+                Program() {
+                    throw new Error("Intentional error.");
+                }
+            }));
+
+            assert.throws(() => {
+                linter.verify(code, config, filename);
+            }, `Intentional error.\nOccurred while linting ${filename}:1`);
+        });
+
+        it("does not call rule listeners with a `this` value", () => {
+            const spy = sinon.spy();
+
+            linter.defineRule("checker", () => ({ Program: spy }));
+            linter.verify("foo", { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+            assert.strictEqual(spy.firstCall.thisValue, void 0);
+        });
+
+        it("does not allow listeners to use special EventEmitter values", () => {
+            const spy = sinon.spy();
+
+            linter.defineRule("checker", () => ({ newListener: spy }));
+            linter.verify("foo", { rules: { checker: "error", "no-undef": "error" } });
+            assert(spy.notCalled);
+        });
+
+        it("has all the `parent` properties on nodes when the rule listeners are created", () => {
+            const spy = sinon.spy(context => {
+                const ast = context.getSourceCode().ast;
+
+                assert.strictEqual(ast.body[0].parent, ast);
+                assert.strictEqual(ast.body[0].expression.parent, ast.body[0]);
+                assert.strictEqual(ast.body[0].expression.left.parent, ast.body[0].expression);
+                assert.strictEqual(ast.body[0].expression.right.parent, ast.body[0].expression);
+
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+
+            linter.verify("foo + bar", { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+    });
+
+    describe("context.getSourceLines()", () => {
+
+        it("should get proper lines when using \\n as a line break", () => {
+            const code = "a;\nb;";
+            const spy = sinon.spy(context => {
+                assert.deepStrictEqual(context.getSourceLines(), ["a;", "b;"]);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+
+        it("should get proper lines when using \\r\\n as a line break", () => {
+            const code = "a;\r\nb;";
+            const spy = sinon.spy(context => {
+                assert.deepStrictEqual(context.getSourceLines(), ["a;", "b;"]);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+
+        it("should get proper lines when using \\r as a line break", () => {
+            const code = "a;\rb;";
+            const spy = sinon.spy(context => {
+                assert.deepStrictEqual(context.getSourceLines(), ["a;", "b;"]);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+
+        it("should get proper lines when using \\u2028 as a line break", () => {
+            const code = "a;\u2028b;";
+            const spy = sinon.spy(context => {
+                assert.deepStrictEqual(context.getSourceLines(), ["a;", "b;"]);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+
+        it("should get proper lines when using \\u2029 as a line break", () => {
+            const code = "a;\u2029b;";
+            const spy = sinon.spy(context => {
+                assert.deepStrictEqual(context.getSourceLines(), ["a;", "b;"]);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy.calledOnce);
+        });
+
+
+    });
+
+    describe("getSourceCode()", () => {
+        const code = TEST_CODE;
+
+        it("should retrieve SourceCode object after reset", () => {
+            linter.verify(code, {}, filename, true);
+
+            const sourceCode = linter.getSourceCode();
+
+            assert.isObject(sourceCode);
+            assert.strictEqual(sourceCode.text, code);
+            assert.isObject(sourceCode.ast);
+        });
+
+        it("should retrieve SourceCode object without reset", () => {
+            linter.verify(code, {}, filename);
+
+            const sourceCode = linter.getSourceCode();
+
+            assert.isObject(sourceCode);
+            assert.strictEqual(sourceCode.text, code);
+            assert.isObject(sourceCode.ast);
+        });
+
+    });
+
+    describe("context.getSource()", () => {
+        const code = TEST_CODE;
+
+        it("should retrieve all text when used without parameters", () => {
+
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    assert.strictEqual(context.getSource(), TEST_CODE);
+                });
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve all text for root node", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node), TEST_CODE);
+                });
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should clamp to valid range when retrieving characters before start of source", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node, 2, 0), TEST_CODE);
+                });
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve all text for binary expression", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node), "6 * 7");
+                });
+                return { BinaryExpression: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve all text plus two characters before for binary expression", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node, 2), "= 6 * 7");
+                });
+                return { BinaryExpression: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve all text plus one character after for binary expression", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node, 0, 1), "6 * 7;");
+                });
+                return { BinaryExpression: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve all text plus two characters before and one character after for binary expression", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node, 2, 1), "= 6 * 7;");
+                });
+                return { BinaryExpression: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+    });
+
+    describe("when calling context.getAncestors", () => {
+        const code = TEST_CODE;
+
+        it("should retrieve all ancestors when used", () => {
+
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const ancestors = context.getAncestors();
+
+                    assert.strictEqual(ancestors.length, 3);
+                });
+                return { BinaryExpression: spy };
+            });
+
+            linter.verify(code, config, filename, true);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve empty ancestors for root node", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const ancestors = context.getAncestors();
+
+                    assert.strictEqual(ancestors.length, 0);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when calling context.getNodeByRangeIndex", () => {
+        const code = TEST_CODE;
+
+        it("should retrieve a node starting at the given index", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                assert.strictEqual(context.getNodeByRangeIndex(4).type, "Identifier");
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+
+        it("should retrieve a node containing the given index", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                assert.strictEqual(context.getNodeByRangeIndex(6).type, "Identifier");
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+
+        it("should retrieve a node that is exactly the given index", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                const node = context.getNodeByRangeIndex(13);
+
+                assert.strictEqual(node.type, "Literal");
+                assert.strictEqual(node.value, 6);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+
+        it("should retrieve a node ending with the given index", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                assert.strictEqual(context.getNodeByRangeIndex(9).type, "Identifier");
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+
+        it("should retrieve the deepest node containing the given index", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                const node1 = context.getNodeByRangeIndex(14);
+
+                assert.strictEqual(node1.type, "BinaryExpression");
+
+                const node2 = context.getNodeByRangeIndex(3);
+
+                assert.strictEqual(node2.type, "VariableDeclaration");
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+
+        it("should return null if the index is outside the range of any node", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                const node1 = context.getNodeByRangeIndex(-1);
+
+                assert.isNull(node1);
+
+                const node2 = context.getNodeByRangeIndex(-99);
+
+                assert.isNull(node2);
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+    });
+
+
+    describe("when calling context.getScope", () => {
+        const code = "function foo() { q: for(;;) { break q; } } function bar () { var q = t; } var baz = (() => { return 1; });";
+
+        it("should retrieve the global scope correctly from a Program", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "global");
+                });
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from a FunctionDeclaration", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                });
+                return { FunctionDeclaration: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledTwice);
+        });
+
+        it("should retrieve the function scope correctly from a LabeledStatement", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                    assert.strictEqual(scope.block.id.name, "foo");
+                });
+                return { LabeledStatement: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within an ArrowFunctionExpression", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                    assert.strictEqual(scope.block.type, "ArrowFunctionExpression");
+                });
+
+                return { ReturnStatement: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within an SwitchStatement", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "switch");
+                    assert.strictEqual(scope.block.type, "SwitchStatement");
+                });
+
+                return { SwitchStatement: spy };
+            });
+
+            linter.verify("switch(foo){ case 'a': var b = 'foo'; }", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within a BlockStatement", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "block");
+                    assert.strictEqual(scope.block.type, "BlockStatement");
+                });
+
+                return { BlockStatement: spy };
+            });
+
+            linter.verify("var x; {let y = 1}", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within a nested block statement", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "block");
+                    assert.strictEqual(scope.block.type, "BlockStatement");
+                });
+
+                return { BlockStatement: spy };
+            });
+
+            linter.verify("if (true) { let x = 1 }", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within a FunctionDeclaration", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                    assert.strictEqual(scope.block.type, "FunctionDeclaration");
+                });
+
+                return { FunctionDeclaration: spy };
+            });
+
+            linter.verify("function foo() {}", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the function scope correctly from within a FunctionExpression", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                    assert.strictEqual(scope.block.type, "FunctionExpression");
+                });
+
+                return { FunctionExpression: spy };
+            });
+
+            linter.verify("(function foo() {})();", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve the catch scope correctly from within a CatchClause", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "catch");
+                    assert.strictEqual(scope.block.type, "CatchClause");
+                });
+
+                return { CatchClause: spy };
+            });
+
+            linter.verify("try {} catch (err) {}", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve module scope correctly from an ES6 module", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, sourceType: "module" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "module");
+                });
+
+                return { AssignmentExpression: spy };
+            });
+
+            linter.verify("var foo = {}; foo.bar = 1;", config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should retrieve function scope correctly when globalReturn is true", () => {
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, ecmaFeatures: { globalReturn: true } } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(scope.type, "function");
+                });
+
+                return { AssignmentExpression: spy };
+            });
+
+            linter.verify("var foo = {}; foo.bar = 1;", config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("marking variables as used", () => {
+        it("should mark variables in current scope as used", () => {
+            const code = "var a = 1, b = 2;";
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    assert.isTrue(context.markVariableAsUsed("a"));
+
+                    const scope = context.getScope();
+
+                    assert.isTrue(getVariable(scope, "a").eslintUsed);
+                    assert.notOk(getVariable(scope, "b").eslintUsed);
+                });
+
+                return { "Program:exit": spy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy && spy.calledOnce);
+        });
+        it("should mark variables in function args as used", () => {
+            const code = "function abc(a, b) { return 1; }";
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    assert.isTrue(context.markVariableAsUsed("a"));
+
+                    const scope = context.getScope();
+
+                    assert.isTrue(getVariable(scope, "a").eslintUsed);
+                    assert.notOk(getVariable(scope, "b").eslintUsed);
+                });
+
+                return { ReturnStatement: spy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy && spy.calledOnce);
+        });
+        it("should mark variables in higher scopes as used", () => {
+            const code = "var a, b; function abc() { return 1; }";
+            let returnSpy, exitSpy;
+
+            linter.defineRule("checker", context => {
+                returnSpy = sinon.spy(() => {
+                    assert.isTrue(context.markVariableAsUsed("a"));
+                });
+                exitSpy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.isTrue(getVariable(scope, "a").eslintUsed);
+                    assert.notOk(getVariable(scope, "b").eslintUsed);
+                });
+
+                return { ReturnStatement: returnSpy, "Program:exit": exitSpy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(returnSpy && returnSpy.calledOnce);
+            assert(exitSpy && exitSpy.calledOnce);
+        });
+
+        it("should mark variables in Node.js environment as used", () => {
+            const code = "var a = 1, b = 2;";
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const globalScope = context.getScope(),
+                        childScope = globalScope.childScopes[0];
+
+                    assert.isTrue(context.markVariableAsUsed("a"));
+
+                    assert.isTrue(getVariable(childScope, "a").eslintUsed);
+                    assert.isUndefined(getVariable(childScope, "b").eslintUsed);
+                });
+
+                return { "Program:exit": spy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" }, env: { node: true } });
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should mark variables in modules as used", () => {
+            const code = "var a = 1, b = 2;";
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const globalScope = context.getScope(),
+                        childScope = globalScope.childScopes[0];
+
+                    assert.isTrue(context.markVariableAsUsed("a"));
+
+                    assert.isTrue(getVariable(childScope, "a").eslintUsed);
+                    assert.isUndefined(getVariable(childScope, "b").eslintUsed);
+                });
+
+                return { "Program:exit": spy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, sourceType: "module" } }, filename, true);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should return false if the given variable is not found", () => {
+            const code = "var a = 1, b = 2;";
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    assert.isFalse(context.markVariableAsUsed("c"));
+                });
+
+                return { "Program:exit": spy };
+            });
+
+            linter.verify(code, { rules: { checker: "error" } });
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code", () => {
+        const code = TEST_CODE;
+
+        it("events for each node type should fire", () => {
+            const config = { rules: { checker: "error" } };
+
+            // spies for various AST node types
+            const spyLiteral = sinon.spy(),
+                spyVariableDeclarator = sinon.spy(),
+                spyVariableDeclaration = sinon.spy(),
+                spyIdentifier = sinon.spy(),
+                spyBinaryExpression = sinon.spy();
+
+            linter.defineRule("checker", () => ({
+                Literal: spyLiteral,
+                VariableDeclarator: spyVariableDeclarator,
+                VariableDeclaration: spyVariableDeclaration,
+                Identifier: spyIdentifier,
+                BinaryExpression: spyBinaryExpression
+            }));
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 0);
+            sinon.assert.calledOnce(spyVariableDeclaration);
+            sinon.assert.calledOnce(spyVariableDeclarator);
+            sinon.assert.calledOnce(spyIdentifier);
+            sinon.assert.calledTwice(spyLiteral);
+            sinon.assert.calledOnce(spyBinaryExpression);
+        });
+
+        it("should throw an error if a rule reports a problem without a message", () => {
+            linter.defineRule("invalid-report", context => ({
+                Program(node) {
+                    context.report({ node });
+                }
+            }));
+
+            assert.throws(
+                () => linter.verify("foo", { rules: { "invalid-report": "error" } }),
+                TypeError,
+                "Missing `message` property in report() call; add a message that describes the linting problem."
+            );
+        });
+    });
+
+    describe("when config has shared settings for rules", () => {
+        const code = "test-rule";
+
+        it("should pass settings to all rules", () => {
+            linter.defineRule(code, context => ({
+                Literal(node) {
+                    context.report(node, context.settings.info);
+                }
+            }));
+
+            const config = { rules: {}, settings: { info: "Hello" } };
+
+            config.rules[code] = 1;
+
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Hello");
+        });
+
+        it("should not have any settings if they were not passed in", () => {
+            linter.defineRule(code, context => ({
+                Literal(node) {
+                    if (Object.getOwnPropertyNames(context.settings).length !== 0) {
+                        context.report(node, "Settings should be empty");
+                    }
+                }
+            }));
+
+            const config = { rules: {} };
+
+            config.rules[code] = 1;
+
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when config has parseOptions", () => {
+
+        it("should pass ecmaFeatures to all rules when provided on config", () => {
+
+            const parserOptions = {
+                ecmaFeatures: {
+                    jsx: true,
+                    globalReturn: true
+                }
+            };
+
+            linter.defineRule("test-rule", sinon.mock().withArgs(
+                sinon.match({ parserOptions })
+            ).returns({}));
+
+            const config = { rules: { "test-rule": 2 }, parserOptions };
+
+            linter.verify("0", config, filename);
+        });
+
+        it("should pass parserOptions to all rules when default parserOptions is used", () => {
+
+            const parserOptions = {};
+
+            linter.defineRule("test-rule", sinon.mock().withArgs(
+                sinon.match({ parserOptions })
+            ).returns({}));
+
+            const config = { rules: { "test-rule": 2 } };
+
+            linter.verify("0", config, filename);
+        });
+
+    });
+
+    describe("when a custom parser is defined using defineParser", () => {
+
+        it("should be able to define a custom parser", () => {
+            const parser = {
+                parseForESLint: function parse(code, options) {
+                    return {
+                        ast: esprima.parse(code, options),
+                        services: {
+                            test: {
+                                getMessage() {
+                                    return "Hi!";
+                                }
+                            }
+                        }
+                    };
+                }
+            };
+
+            linter.defineParser("test-parser", parser);
+            const config = { rules: {}, parser: "test-parser" };
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+    });
+
+    describe("when config has parser", () => {
+
+        it("should pass parser as parserPath to all rules when provided on config", () => {
+
+            const alternateParser = "esprima";
+
+            linter.defineParser("esprima", esprima);
+            linter.defineRule("test-rule", sinon.mock().withArgs(
+                sinon.match({ parserPath: alternateParser })
+            ).returns({}));
+
+            const config = { rules: { "test-rule": 2 }, parser: alternateParser };
+
+            linter.verify("0", config, filename);
+        });
+
+        it("should use parseForESLint() in custom parser when custom parser is specified", () => {
+            const config = { rules: {}, parser: "enhanced-parser" };
+
+            linter.defineParser("enhanced-parser", testParsers.enhancedParser);
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should expose parser services when using parseForESLint() and services are specified", () => {
+            linter.defineParser("enhanced-parser", testParsers.enhancedParser);
+            linter.defineRule("test-service-rule", context => ({
+                Literal(node) {
+                    context.report({
+                        node,
+                        message: context.parserServices.test.getMessage()
+                    });
+                }
+            }));
+
+            const config = { rules: { "test-service-rule": 2 }, parser: "enhanced-parser" };
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Hi!");
+        });
+
+        it("should use the same parserServices if source code object is reused", () => {
+            linter.defineParser("enhanced-parser", testParsers.enhancedParser);
+            linter.defineRule("test-service-rule", context => ({
+                Literal(node) {
+                    context.report({
+                        node,
+                        message: context.parserServices.test.getMessage()
+                    });
+                }
+            }));
+
+            const config = { rules: { "test-service-rule": 2 }, parser: "enhanced-parser" };
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Hi!");
+
+            const messages2 = linter.verify(linter.getSourceCode(), config, filename);
+
+            assert.strictEqual(messages2.length, 1);
+            assert.strictEqual(messages2[0].message, "Hi!");
+        });
+
+        it("should pass parser as parserPath to all rules when default parser is used", () => {
+            linter.defineRule("test-rule", sinon.mock().withArgs(
+                sinon.match({ parserPath: "espree" })
+            ).returns({}));
+
+            const config = { rules: { "test-rule": 2 } };
+
+            linter.verify("0", config, filename);
+        });
+
+    });
+
+
+    describe("when passing in configuration values for rules", () => {
+        const code = "var answer = 6 * 7";
+
+        it("should be configurable by only setting the integer value", () => {
+            const rule = "semi",
+                config = { rules: {} };
+
+            config.rules[rule] = 1;
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, rule);
+        });
+
+        it("should be configurable by only setting the string value", () => {
+            const rule = "semi",
+                config = { rules: {} };
+
+            config.rules[rule] = "warn";
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 1);
+            assert.strictEqual(messages[0].ruleId, rule);
+        });
+
+        it("should be configurable by passing in values as an array", () => {
+            const rule = "semi",
+                config = { rules: {} };
+
+            config.rules[rule] = [1];
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, rule);
+        });
+
+        it("should be configurable by passing in string value as an array", () => {
+            const rule = "semi",
+                config = { rules: {} };
+
+            config.rules[rule] = ["warn"];
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 1);
+            assert.strictEqual(messages[0].ruleId, rule);
+        });
+
+        it("should not be configurable by setting other value", () => {
+            const rule = "semi",
+                config = { rules: {} };
+
+            config.rules[rule] = "1";
+
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should process empty config", () => {
+            const config = {};
+            const messages = linter.verify(code, config, filename, true);
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when evaluating code containing /*global */ and /*globals */ blocks", () => {
+
+        it("variables should be available in global scope", () => {
+            const config = { rules: { checker: "error" }, globals: { Array: "off", ConfigGlobal: "writeable" } };
+            const code = `
+                /*global a b:true c:false d:readable e:writeable Math:off */
+                function foo() {}
+                /*globals f:true*/
+                /* global ConfigGlobal : readable */
+            `;
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+                    const a = getVariable(scope, "a"),
+                        b = getVariable(scope, "b"),
+                        c = getVariable(scope, "c"),
+                        d = getVariable(scope, "d"),
+                        e = getVariable(scope, "e"),
+                        f = getVariable(scope, "f"),
+                        mathGlobal = getVariable(scope, "Math"),
+                        arrayGlobal = getVariable(scope, "Array"),
+                        configGlobal = getVariable(scope, "ConfigGlobal");
+
+                    assert.strictEqual(a.name, "a");
+                    assert.strictEqual(a.writeable, false);
+                    assert.strictEqual(b.name, "b");
+                    assert.strictEqual(b.writeable, true);
+                    assert.strictEqual(c.name, "c");
+                    assert.strictEqual(c.writeable, false);
+                    assert.strictEqual(d.name, "d");
+                    assert.strictEqual(d.writeable, false);
+                    assert.strictEqual(e.name, "e");
+                    assert.strictEqual(e.writeable, true);
+                    assert.strictEqual(f.name, "f");
+                    assert.strictEqual(f.writeable, true);
+                    assert.strictEqual(mathGlobal, null);
+                    assert.strictEqual(arrayGlobal, null);
+                    assert.strictEqual(configGlobal.name, "ConfigGlobal");
+                    assert.strictEqual(configGlobal.writeable, false);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing a /*global */ block with sloppy whitespace", () => {
+        const code = "/* global  a b  : true   c:  false*/";
+
+        it("variables should be available in global scope", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        a = getVariable(scope, "a"),
+                        b = getVariable(scope, "b"),
+                        c = getVariable(scope, "c");
+
+                    assert.strictEqual(a.name, "a");
+                    assert.strictEqual(a.writeable, false);
+                    assert.strictEqual(b.name, "b");
+                    assert.strictEqual(b.writeable, true);
+                    assert.strictEqual(c.name, "c");
+                    assert.strictEqual(c.writeable, false);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing a /*global */ block with specific variables", () => {
+        const code = "/* global toString hasOwnProperty valueOf: true */";
+
+        it("should not throw an error if comment block has global variables which are Object.prototype contains", () => {
+            const config = { rules: { checker: "error" } };
+
+            linter.verify(code, config);
+        });
+    });
+
+    describe("when evaluating code containing /*eslint-env */ block", () => {
+        it("variables should be available in global scope", () => {
+            const code = `/*${ESLINT_ENV} node*/ function f() {} /*${ESLINT_ENV} browser, foo*/`;
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        exports = getVariable(scope, "exports"),
+                        window = getVariable(scope, "window");
+
+                    assert.strictEqual(exports.writeable, true);
+                    assert.strictEqual(window.writeable, false);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing /*eslint-env */ block with sloppy whitespace", () => {
+        const code = `/* ${ESLINT_ENV} ,, node  , no-browser ,,  */`;
+
+        it("variables should be available in global scope", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        exports = getVariable(scope, "exports"),
+                        window = getVariable(scope, "window");
+
+                    assert.strictEqual(exports.writeable, true);
+                    assert.strictEqual(window, null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing /*exported */ block", () => {
+
+        it("we should behave nicely when no matching variable is found", () => {
+            const code = "/* exported horse */";
+            const config = { rules: {} };
+
+            linter.verify(code, config, filename, true);
+        });
+
+        it("variables should be exported", () => {
+            const code = "/* exported horse */\n\nvar horse = 'circus'";
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        horse = getVariable(scope, "horse");
+
+                    assert.strictEqual(horse.eslintUsed, true);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("undefined variables should not be exported", () => {
+            const code = "/* exported horse */\n\nhorse = 'circus'";
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        horse = getVariable(scope, "horse");
+
+                    assert.strictEqual(horse, null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("variables should be exported in strict mode", () => {
+            const code = "/* exported horse */\n'use strict';\nvar horse = 'circus'";
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        horse = getVariable(scope, "horse");
+
+                    assert.strictEqual(horse.eslintUsed, true);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("variables should not be exported in the es6 module environment", () => {
+            const code = "/* exported horse */\nvar horse = 'circus'";
+            const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, sourceType: "module" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        horse = getVariable(scope, "horse");
+
+                    assert.strictEqual(horse, null); // there is no global scope at all
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("variables should not be exported when in the node environment", () => {
+            const code = "/* exported horse */\nvar horse = 'circus'";
+            const config = { rules: { checker: "error" }, env: { node: true } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope(),
+                        horse = getVariable(scope, "horse");
+
+                    assert.strictEqual(horse, null); // there is no global scope at all
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing a line comment", () => {
+        const code = "//global a \n function f() {}";
+
+        it("should not introduce a global variable", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(getVariable(scope, "a"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating code containing normal block comments", () => {
+        const code = "/**/  /*a*/  /*b:true*/  /*foo c:false*/";
+
+        it("should not introduce a global variable", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(getVariable(scope, "a"), null);
+                    assert.strictEqual(getVariable(scope, "b"), null);
+                    assert.strictEqual(getVariable(scope, "foo"), null);
+                    assert.strictEqual(getVariable(scope, "c"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating any code", () => {
+        const code = "x";
+
+        it("builtin global variables should be available in the global scope", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.notStrictEqual(getVariable(scope, "Object"), null);
+                    assert.notStrictEqual(getVariable(scope, "Array"), null);
+                    assert.notStrictEqual(getVariable(scope, "undefined"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("ES6 global variables should not be available by default", () => {
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(getVariable(scope, "Promise"), null);
+                    assert.strictEqual(getVariable(scope, "Symbol"), null);
+                    assert.strictEqual(getVariable(scope, "WeakMap"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("ES6 global variables should be available in the es6 environment", () => {
+            const config = { rules: { checker: "error" }, env: { es6: true } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.notStrictEqual(getVariable(scope, "Promise"), null);
+                    assert.notStrictEqual(getVariable(scope, "Symbol"), null);
+                    assert.notStrictEqual(getVariable(scope, "WeakMap"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("ES6 global variables can be disabled when the es6 environment is enabled", () => {
+            const config = { rules: { checker: "error" }, globals: { Promise: "off", Symbol: "off", WeakMap: "off" }, env: { es6: true } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    const scope = context.getScope();
+
+                    assert.strictEqual(getVariable(scope, "Promise"), null);
+                    assert.strictEqual(getVariable(scope, "Symbol"), null);
+                    assert.strictEqual(getVariable(scope, "WeakMap"), null);
+                });
+
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("at any time", () => {
+        const code = "new-rule";
+
+        it("can add a rule dynamically", () => {
+            linter.defineRule(code, context => ({
+                Literal(node) {
+                    context.report(node, "message");
+                }
+            }));
+
+            const config = { rules: {} };
+
+            config.rules[code] = 1;
+
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, code);
+            assert.strictEqual(messages[0].nodeType, "Literal");
+        });
+    });
+
+    describe("at any time", () => {
+        const code = ["new-rule-0", "new-rule-1"];
+
+        it("can add multiple rules dynamically", () => {
+            const config = { rules: {} };
+            const newRules = {};
+
+            code.forEach(item => {
+                config.rules[item] = 1;
+                newRules[item] = function(context) {
+                    return {
+                        Literal(node) {
+                            context.report(node, "message");
+                        }
+                    };
+                };
+            });
+            linter.defineRules(newRules);
+
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages.length, code.length);
+            code.forEach(item => {
+                assert.ok(messages.some(message => message.ruleId === item));
+            });
+            messages.forEach(message => {
+                assert.strictEqual(message.nodeType, "Literal");
+            });
+        });
+    });
+
+    describe("at any time", () => {
+        const code = "filename-rule";
+
+        it("has access to the filename", () => {
+            linter.defineRule(code, context => ({
+                Literal(node) {
+                    context.report(node, context.getFilename());
+                }
+            }));
+
+            const config = { rules: {} };
+
+            config.rules[code] = 1;
+
+            const messages = linter.verify("0", config, filename);
+
+            assert.strictEqual(messages[0].message, filename);
+        });
+
+        it("defaults filename to '<input>'", () => {
+            linter.defineRule(code, context => ({
+                Literal(node) {
+                    context.report(node, context.getFilename());
+                }
+            }));
+
+            const config = { rules: {} };
+
+            config.rules[code] = 1;
+
+            const messages = linter.verify("0", config);
+
+            assert.strictEqual(messages[0].message, "<input>");
+        });
+    });
+
+    describe("when evaluating code with comments to enable rules", () => {
+
+        it("should report a violation", () => {
+            const code = "/*eslint no-alert:1*/ alert('test');";
+            const config = { rules: {} };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].message, "Unexpected alert.");
+            assert.include(messages[0].nodeType, "CallExpression");
+        });
+
+        it("rules should not change initial config", () => {
+            const config = { rules: { strict: 2 } };
+            const codeA = "/*eslint strict: 0*/ function bar() { return 2; }";
+            const codeB = "function foo() { return 1; }";
+            let messages = linter.verify(codeA, config, filename, false);
+
+            assert.strictEqual(messages.length, 0);
+
+            messages = linter.verify(codeB, config, filename, false);
+            assert.strictEqual(messages.length, 1);
+        });
+
+        it("rules should not change initial config", () => {
+            const config = { rules: { quotes: [2, "double"] } };
+            const codeA = "/*eslint quotes: 0*/ function bar() { return '2'; }";
+            const codeB = "function foo() { return '1'; }";
+            let messages = linter.verify(codeA, config, filename, false);
+
+            assert.strictEqual(messages.length, 0);
+
+            messages = linter.verify(codeB, config, filename, false);
+            assert.strictEqual(messages.length, 1);
+        });
+
+        it("rules should not change initial config", () => {
+            const config = { rules: { quotes: [2, "double"] } };
+            const codeA = "/*eslint quotes: [0, \"single\"]*/ function bar() { return '2'; }";
+            const codeB = "function foo() { return '1'; }";
+            let messages = linter.verify(codeA, config, filename, false);
+
+            assert.strictEqual(messages.length, 0);
+
+            messages = linter.verify(codeB, config, filename, false);
+            assert.strictEqual(messages.length, 1);
+        });
+
+        it("rules should not change initial config", () => {
+            const config = { rules: { "no-unused-vars": [2, { vars: "all" }] } };
+            const codeA = "/*eslint no-unused-vars: [0, {\"vars\": \"local\"}]*/ var a = 44;";
+            const codeB = "var b = 55;";
+            let messages = linter.verify(codeA, config, filename, false);
+
+            assert.strictEqual(messages.length, 0);
+
+            messages = linter.verify(codeB, config, filename, false);
+            assert.strictEqual(messages.length, 1);
+        });
+    });
+
+    describe("when evaluating code with invalid comments to enable rules", () => {
+        it("should report a violation when the config is not a valid rule configuration", () => {
+            assert.deepStrictEqual(
+                linter.verify("/*eslint no-alert:true*/ alert('test');", {}),
+                [
+                    {
+                        severity: 2,
+                        ruleId: "no-alert",
+                        message: "Configuration for rule \"no-alert\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed 'true').\n",
+                        line: 1,
+                        column: 1,
+                        endLine: 1,
+                        endColumn: 25,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("should report a violation when the config violates a rule's schema", () => {
+            assert.deepStrictEqual(
+                linter.verify("/* eslint no-alert: [error, {nonExistentPropertyName: true}]*/", {}),
+                [
+                    {
+                        severity: 2,
+                        ruleId: "no-alert",
+                        message: "Configuration for rule \"no-alert\" is invalid:\n\tValue [{\"nonExistentPropertyName\":true}] should NOT have more than 0 items.\n",
+                        line: 1,
+                        column: 1,
+                        endLine: 1,
+                        endColumn: 63,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+    });
+
+    describe("when evaluating code with comments to disable rules", () => {
+        const code = "/*eslint no-alert:0*/ alert('test');";
+
+        it("should not report a violation", () => {
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when evaluating code with comments to disable rules", () => {
+        let code, messages;
+
+        it("should report an error when disabling a non-existent rule in inline comment", () => {
+            code = "/*eslint foo:0*/ ;";
+            messages = linter.verify(code, {}, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+
+            code = "/*eslint-disable foo*/ ;";
+            messages = linter.verify(code, {}, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+
+            code = "/*eslint-disable-line foo*/ ;";
+            messages = linter.verify(code, {}, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+
+            code = "/*eslint-disable-next-line foo*/ ;";
+            messages = linter.verify(code, {}, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+        });
+
+        it("should not report an error, when disabling a non-existent rule in config", () => {
+            messages = linter.verify("", { rules: { foo: 0 } }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report an error, when config a non-existent rule in config", () => {
+            messages = linter.verify("", { rules: { foo: 1 } }, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+
+            messages = linter.verify("", { rules: { foo: 2 } }, filename);
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.strictEqual(messages[0].message, "Definition for rule 'foo' was not found.");
+        });
+    });
+
+    describe("when evaluating code with comments to enable multiple rules", () => {
+        const code = "/*eslint no-alert:1 no-console:1*/ alert('test'); console.log('test');";
+
+        it("should report a violation", () => {
+            const config = { rules: {} };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].message, "Unexpected alert.");
+            assert.include(messages[0].nodeType, "CallExpression");
+            assert.strictEqual(messages[1].ruleId, "no-console");
+        });
+    });
+
+    describe("when evaluating code with comments to enable and disable multiple rules", () => {
+        const code = "/*eslint no-alert:1 no-console:0*/ alert('test'); console.log('test');";
+
+        it("should report a violation", () => {
+            const config = { rules: { "no-console": 1, "no-alert": 0 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].message, "Unexpected alert.");
+            assert.include(messages[0].nodeType, "CallExpression");
+        });
+    });
+
+    describe("when evaluating code with comments to disable and enable configurable rule as part of plugin", () => {
+
+        beforeEach(() => {
+            linter.defineRule("test-plugin/test-rule", context => ({
+                Literal(node) {
+                    if (node.value === "trigger violation") {
+                        context.report(node, "Reporting violation.");
+                    }
+                }
+            }));
+        });
+
+        it("should not report a violation when inline comment enables plugin rule and there's no violation", () => {
+            const config = { rules: {} };
+            const code = "/*eslint test-plugin/test-rule: 2*/ var a = \"no violation\";";
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation when inline comment disables plugin rule", () => {
+            const code = "/*eslint test-plugin/test-rule:0*/ var a = \"trigger violation\"";
+            const config = { rules: { "test-plugin/test-rule": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report a violation when the report is right before the comment", () => {
+            const code = " /* eslint-disable */ ";
+
+            linter.defineRule("checker", context => ({
+                Program() {
+                    context.report({ loc: { line: 1, column: 0 }, message: "foo" });
+                }
+            }));
+            const problems = linter.verify(code, { rules: { checker: "error" } });
+
+            assert.strictEqual(problems.length, 1);
+            assert.strictEqual(problems[0].message, "foo");
+        });
+
+        it("should not report a violation when the report is right at the start of the comment", () => {
+            const code = " /* eslint-disable */ ";
+
+            linter.defineRule("checker", context => ({
+                Program() {
+                    context.report({ loc: { line: 1, column: 1 }, message: "foo" });
+                }
+            }));
+            const problems = linter.verify(code, { rules: { checker: "error" } });
+
+            assert.strictEqual(problems.length, 0);
+        });
+
+        it("rules should not change initial config", () => {
+            const config = { rules: { "test-plugin/test-rule": 2 } };
+            const codeA = "/*eslint test-plugin/test-rule: 0*/ var a = \"trigger violation\";";
+            const codeB = "var a = \"trigger violation\";";
+            let messages = linter.verify(codeA, config, filename, false);
+
+            assert.strictEqual(messages.length, 0);
+
+            messages = linter.verify(codeB, config, filename, false);
+            assert.strictEqual(messages.length, 1);
+        });
+    });
+
+    describe("when evaluating code with comments to enable and disable all reporting", () => {
+        it("should report a violation", () => {
+
+            const code = [
+                "/*eslint-disable */",
+                "alert('test');",
+                "/*eslint-enable */",
+                "alert('test');"
+            ].join("\n");
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].message, "Unexpected alert.");
+            assert.include(messages[0].nodeType, "CallExpression");
+            assert.strictEqual(messages[0].line, 4);
+        });
+
+        it("should not report a violation", () => {
+            const code = [
+                "/*eslint-disable */",
+                "alert('test');",
+                "alert('test');"
+            ].join("\n");
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = [
+                "                    alert('test1');/*eslint-disable */\n",
+                "alert('test');",
+                "                                         alert('test');\n",
+                "/*eslint-enable */alert('test2');"
+            ].join("");
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+            assert.strictEqual(messages[0].column, 21);
+            assert.strictEqual(messages[1].column, 19);
+        });
+
+        it("should report a violation", () => {
+
+            const code = [
+                "/*eslint-disable */",
+                "alert('test');",
+                "/*eslint-disable */",
+                "alert('test');",
+                "/*eslint-enable*/",
+                "alert('test');",
+                "/*eslint-enable*/"
+            ].join("\n");
+
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+        });
+
+
+        it("should not report a violation", () => {
+            const code = [
+                "/*eslint-disable */",
+                "(function(){ var b = 44;})()",
+                "/*eslint-enable */;any();"
+            ].join("\n");
+
+            const config = { rules: { "no-unused-vars": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = [
+                "(function(){ /*eslint-disable */ var b = 44;})()",
+                "/*eslint-enable */;any();"
+            ].join("\n");
+
+            const config = { rules: { "no-unused-vars": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when evaluating code with comments to ignore reporting on specific rules on a specific line", () => {
+
+        describe("eslint-disable-line", () => {
+            it("should report a violation", () => {
+                const code = [
+                    "alert('test'); // eslint-disable-line no-alert",
+                    "console.log('test');" // here
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+
+            it("should report a violation", () => {
+                const code = [
+                    "alert('test'); // eslint-disable-line no-alert",
+                    "console.log('test'); // eslint-disable-line no-console",
+                    "alert('test');" // here
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+            });
+
+            it("should report a violation if eslint-disable-line in a block comment is not on a single line", () => {
+                const code = [
+                    "/* eslint-disable-line",
+                    "*",
+                    "*/ console.log('test');" // here
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should not disable rule and add an extra report if eslint-disable-line in a block comment is not on a single line", () => {
+                const code = [
+                    "alert('test'); /* eslint-disable-line ",
+                    "no-alert */"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config);
+
+                assert.deepStrictEqual(messages, [
+                    {
+                        ruleId: "no-alert",
+                        severity: 1,
+                        line: 1,
+                        column: 1,
+                        endLine: 1,
+                        endColumn: 14,
+                        message: "Unexpected alert.",
+                        messageId: "unexpected",
+                        nodeType: "CallExpression"
+                    },
+                    {
+                        ruleId: null,
+                        severity: 2,
+                        message: "eslint-disable-line comment should not span multiple lines.",
+                        line: 1,
+                        column: 16,
+                        endLine: 2,
+                        endColumn: 12,
+                        nodeType: null
+                    }
+                ]);
+            });
+
+            it("should not report a violation for eslint-disable-line in block comment", () => {
+                const code = [
+                    "alert('test'); // eslint-disable-line no-alert",
+                    "alert('test'); /*eslint-disable-line no-alert*/"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should not report a violation", () => {
+                const code = [
+                    "alert('test'); // eslint-disable-line no-alert",
+                    "console.log('test'); // eslint-disable-line no-console"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should not report a violation", () => {
+                const code = [
+                    "alert('test') // eslint-disable-line no-alert, quotes, semi",
+                    "console.log('test'); // eslint-disable-line"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "double"],
+                        semi: [1, "always"],
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should not report a violation", () => {
+                const code = [
+                    "alert('test') /* eslint-disable-line no-alert, quotes, semi */",
+                    "console.log('test'); /* eslint-disable-line */"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "double"],
+                        semi: [1, "always"],
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should ignore violations of multiple rules when specified in mixed comments", () => {
+                const code = [
+                    " alert(\"test\"); /* eslint-disable-line no-alert */ // eslint-disable-line quotes"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "single"]
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+        });
+
+        describe("eslint-disable-next-line", () => {
+            it("should ignore violation of specified rule on next line", () => {
+                const code = [
+                    "// eslint-disable-next-line no-alert",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+
+            it("should ignore violation of specified rule if eslint-disable-next-line is a block comment", () => {
+                const code = [
+                    "/* eslint-disable-next-line no-alert */",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+            it("should ignore violation of specified rule if eslint-disable-next-line is a block comment", () => {
+                const code = [
+                    "/* eslint-disable-next-line no-alert */",
+                    "alert('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should not ignore violation if block comment is not on a single line", () => {
+                const code = [
+                    "/* eslint-disable-next-line",
+                    "no-alert */alert('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[1].ruleId, "no-alert");
+            });
+
+            it("should ignore violations only of specified rule", () => {
+                const code = [
+                    "// eslint-disable-next-line no-console",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should ignore violations of multiple rules when specified", () => {
+                const code = [
+                    "// eslint-disable-next-line no-alert, quotes",
+                    "alert(\"test\");",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "single"],
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+
+            it("should ignore violations of multiple rules when specified in mixed comments", () => {
+                const code = [
+                    "/* eslint-disable-next-line no-alert */ // eslint-disable-next-line quotes",
+                    "alert(\"test\");"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "single"]
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 0);
+            });
+
+            it("should ignore violations of only the specified rule on next line", () => {
+                const code = [
+                    "// eslint-disable-next-line quotes",
+                    "alert(\"test\");",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        quotes: [1, "single"],
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should ignore violations of specified rule on next line only", () => {
+                const code = [
+                    "alert('test');",
+                    "// eslint-disable-next-line no-alert",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should ignore all rule violations on next line if none specified", () => {
+                const code = [
+                    "// eslint-disable-next-line",
+                    "alert(\"test\");",
+                    "console.log('test')"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        semi: [1, "never"],
+                        quotes: [1, "single"],
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 1);
+                assert.strictEqual(messages[0].ruleId, "no-console");
+            });
+
+            it("should ignore violations if eslint-disable-next-line is a block comment", () => {
+                const code = [
+                    "alert('test');",
+                    "/* eslint-disable-next-line no-alert */",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should report a violation", () => {
+                const code = [
+                    "/* eslint-disable-next-line",
+                    "*",
+                    "*/",
+                    "console.log('test');" // here
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+
+            it("should not ignore violations if comment is of the type Shebang", () => {
+                const code = [
+                    "#! eslint-disable-next-line no-alert",
+                    "alert('test');",
+                    "console.log('test');"
+                ].join("\n");
+                const config = {
+                    rules: {
+                        "no-alert": 1,
+                        "no-console": 1
+                    }
+                };
+                const messages = linter.verify(code, config, filename);
+
+                assert.strictEqual(messages.length, 2);
+                assert.strictEqual(messages[0].ruleId, "no-alert");
+                assert.strictEqual(messages[1].ruleId, "no-console");
+            });
+        });
+    });
+
+    describe("when evaluating code with comments to enable and disable reporting of specific rules", () => {
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert */",
+                "alert('test');",
+                "console.log('test');" // here
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+
+            assert.strictEqual(messages[0].ruleId, "no-console");
+        });
+
+        it("should report no violation", () => {
+            const code = [
+                "/*eslint-disable no-unused-vars */",
+                "var foo; // eslint-disable-line no-unused-vars",
+                "var bar;",
+                "/* eslint-enable no-unused-vars */" // here
+            ].join("\n");
+            const config = { rules: { "no-unused-vars": 2 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report no violation", () => {
+            const code = [
+                "var foo1; // eslint-disable-line no-unused-vars",
+                "var foo2; // eslint-disable-line no-unused-vars",
+                "var foo3; // eslint-disable-line no-unused-vars",
+                "var foo4; // eslint-disable-line no-unused-vars",
+                "var foo5; // eslint-disable-line no-unused-vars"
+            ].join("\n");
+            const config = { rules: { "no-unused-vars": 2 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report no violation", () => {
+            const code = [
+                "/* eslint-disable quotes */",
+                "console.log(\"foo\");",
+                "/* eslint-enable quotes */"
+            ].join("\n");
+            const config = { rules: { quotes: 2 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert, no-console */",
+                "alert('test');",
+                "console.log('test');",
+                "/*eslint-enable*/",
+
+                "alert('test');", // here
+                "console.log('test');" // here
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].line, 5);
+            assert.strictEqual(messages[1].ruleId, "no-console");
+            assert.strictEqual(messages[1].line, 6);
+        });
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert */",
+                "alert('test');",
+                "console.log('test');",
+                "/*eslint-enable no-console */",
+
+                "alert('test');" // here
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+
+            assert.strictEqual(messages[0].ruleId, "no-console");
+        });
+
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert, no-console */",
+                "alert('test');",
+                "console.log('test');",
+                "/*eslint-enable no-alert*/",
+
+                "alert('test');", // here
+                "console.log('test');"
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].line, 5);
+        });
+
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert */",
+
+                "/*eslint-disable no-console */",
+                "alert('test');",
+                "console.log('test');",
+                "/*eslint-enable */",
+
+                "alert('test');", // here
+                "console.log('test');", // here
+
+                "/*eslint-enable */",
+
+                "alert('test');", // here
+                "console.log('test');", // here
+
+                "/*eslint-enable*/"
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 4);
+
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].line, 6);
+
+            assert.strictEqual(messages[1].ruleId, "no-console");
+            assert.strictEqual(messages[1].line, 7);
+
+            assert.strictEqual(messages[2].ruleId, "no-alert");
+            assert.strictEqual(messages[2].line, 9);
+
+            assert.strictEqual(messages[3].ruleId, "no-console");
+            assert.strictEqual(messages[3].line, 10);
+
+        });
+
+        it("should report a violation", () => {
+            const code = [
+                "/*eslint-disable no-alert, no-console */",
+                "alert('test');",
+                "console.log('test');",
+
+                "/*eslint-enable no-alert */",
+
+                "alert('test');", // here
+                "console.log('test');",
+
+                "/*eslint-enable no-console */",
+
+                "alert('test');", // here
+                "console.log('test');", // here
+                "/*eslint-enable no-console */"
+            ].join("\n");
+            const config = { rules: { "no-alert": 1, "no-console": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 3);
+
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].line, 5);
+
+            assert.strictEqual(messages[1].ruleId, "no-alert");
+            assert.strictEqual(messages[1].line, 8);
+
+            assert.strictEqual(messages[2].ruleId, "no-console");
+            assert.strictEqual(messages[2].line, 9);
+
+        });
+
+        it("should report a violation when severity is warn", () => {
+            const code = [
+                "/*eslint-disable no-alert, no-console */",
+                "alert('test');",
+                "console.log('test');",
+
+                "/*eslint-enable no-alert */",
+
+                "alert('test');", // here
+                "console.log('test');",
+
+                "/*eslint-enable no-console */",
+
+                "alert('test');", // here
+                "console.log('test');", // here
+                "/*eslint-enable no-console */"
+            ].join("\n");
+            const config = { rules: { "no-alert": "warn", "no-console": "warn" } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 3);
+
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].line, 5);
+
+            assert.strictEqual(messages[1].ruleId, "no-alert");
+            assert.strictEqual(messages[1].line, 8);
+
+            assert.strictEqual(messages[2].ruleId, "no-console");
+            assert.strictEqual(messages[2].line, 9);
+
+        });
+    });
+
+    describe("when evaluating code with comments to enable and disable multiple comma separated rules", () => {
+        const code = "/*eslint no-alert:1, no-console:0*/ alert('test'); console.log('test');";
+
+        it("should report a violation", () => {
+            const config = { rules: { "no-console": 1, "no-alert": 0 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+            assert.strictEqual(messages[0].message, "Unexpected alert.");
+            assert.include(messages[0].nodeType, "CallExpression");
+        });
+    });
+
+    describe("when evaluating code with comments to enable configurable rule", () => {
+        const code = "/*eslint quotes:[2, \"double\"]*/ alert('test');";
+
+        it("should report a violation", () => {
+            const config = { rules: { quotes: [2, "single"] } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "quotes");
+            assert.strictEqual(messages[0].message, "Strings must use doublequote.");
+            assert.include(messages[0].nodeType, "Literal");
+        });
+    });
+
+    describe("when evaluating code with comments to enable configurable rule using string severity", () => {
+        const code = "/*eslint quotes:[\"error\", \"double\"]*/ alert('test');";
+
+        it("should report a violation", () => {
+            const config = { rules: { quotes: [2, "single"] } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "quotes");
+            assert.strictEqual(messages[0].message, "Strings must use doublequote.");
+            assert.include(messages[0].nodeType, "Literal");
+        });
+    });
+
+    describe("when evaluating code with incorrectly formatted comments to disable rule", () => {
+        it("should report a violation", () => {
+            const code = "/*eslint no-alert:'1'*/ alert('test');";
+
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+
+            /*
+             * Incorrectly formatted comment threw error;
+             * message from caught exception
+             * may differ amongst UAs, so verifying
+             * first part only as defined in the
+             * parseJsonConfig function in lib/eslint.js
+             */
+            assert.match(messages[0].message, /^Failed to parse JSON from ' "no-alert":'1'':/u);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 1);
+
+            assert.strictEqual(messages[1].ruleId, "no-alert");
+            assert.strictEqual(messages[1].message, "Unexpected alert.");
+            assert.include(messages[1].nodeType, "CallExpression");
+        });
+
+        it("should report a violation", () => {
+            const code = "/*eslint no-alert:abc*/ alert('test');";
+
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+
+            /*
+             * Incorrectly formatted comment threw error;
+             * message from caught exception
+             * may differ amongst UAs, so verifying
+             * first part only as defined in the
+             * parseJsonConfig function in lib/eslint.js
+             */
+            assert.match(messages[0].message, /^Failed to parse JSON from ' "no-alert":abc':/u);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 1);
+
+            assert.strictEqual(messages[1].ruleId, "no-alert");
+            assert.strictEqual(messages[1].message, "Unexpected alert.");
+            assert.include(messages[1].nodeType, "CallExpression");
+        });
+
+        it("should report a violation", () => {
+            const code = "/*eslint no-alert:0 2*/ alert('test');";
+
+            const config = { rules: { "no-alert": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 2);
+
+            /*
+             * Incorrectly formatted comment threw error;
+             * message from caught exception
+             * may differ amongst UAs, so verifying
+             * first part only as defined in the
+             * parseJsonConfig function in lib/eslint.js
+             */
+            assert.match(messages[0].message, /^Failed to parse JSON from ' "no-alert":0 2':/u);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 1);
+
+            assert.strictEqual(messages[1].ruleId, "no-alert");
+            assert.strictEqual(messages[1].message, "Unexpected alert.");
+            assert.include(messages[1].nodeType, "CallExpression");
+        });
+    });
+
+    describe("when evaluating code with comments which have colon in its value", () => {
+        const code = "/* eslint max-len: [2, 100, 2, {ignoreUrls: true, ignorePattern: \"data:image\\/|\\s*require\\s*\\(|^\\s*loader\\.lazy|-\\*-\"}] */\nalert('test');";
+
+        it("should not parse errors, should report a violation", () => {
+            const messages = linter.verify(code, {}, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "max-len");
+            assert.strictEqual(messages[0].message, "This line has a length of 122. Maximum allowed is 100.");
+            assert.include(messages[0].nodeType, "Program");
+        });
+    });
+
+    describe("when evaluating a file with a shebang", () => {
+        const code = "#!bin/program\n\nvar foo;;";
+
+        it("should preserve line numbers", () => {
+            const config = { rules: { "no-extra-semi": 1 } };
+            const messages = linter.verify(code, config);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-extra-semi");
+            assert.strictEqual(messages[0].nodeType, "EmptyStatement");
+            assert.strictEqual(messages[0].line, 3);
+        });
+
+        it("should have a comment with the shebang in it", () => {
+            const config = { rules: { checker: "error" } };
+            const spy = sinon.spy(context => {
+                const comments = context.getAllComments();
+
+                assert.strictEqual(comments.length, 1);
+                assert.strictEqual(comments[0].type, "Shebang");
+                return {};
+            });
+
+            linter.defineRule("checker", spy);
+            linter.verify(code, config);
+            assert(spy.calledOnce);
+        });
+    });
+
+    describe("when evaluating broken code", () => {
+        const code = BROKEN_TEST_CODE;
+
+        it("should report a violation with a useful parse error prefix", () => {
+            const messages = linter.verify(code);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.isNull(messages[0].ruleId);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 4);
+            assert.isTrue(messages[0].fatal);
+            assert.match(messages[0].message, /^Parsing error:/u);
+        });
+
+        it("should report source code where the issue is present", () => {
+            const inValidCode = [
+                "var x = 20;",
+                "if (x ==4 {",
+                "    x++;",
+                "}"
+            ];
+            const messages = linter.verify(inValidCode.join("\n"));
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.isTrue(messages[0].fatal);
+            assert.match(messages[0].message, /^Parsing error:/u);
+        });
+    });
+
+    describe("when using an invalid (undefined) rule", () => {
+        linter = new Linter();
+
+        const code = TEST_CODE;
+        const results = linter.verify(code, { rules: { foobar: 2 } });
+        const result = results[0];
+        const warningResult = linter.verify(code, { rules: { foobar: 1 } })[0];
+        const arrayOptionResults = linter.verify(code, { rules: { foobar: [2, "always"] } });
+        const objectOptionResults = linter.verify(code, { rules: { foobar: [1, { bar: false }] } });
+        const resultsMultiple = linter.verify(code, { rules: { foobar: 2, barfoo: 1 } });
+
+        it("should report a problem", () => {
+            assert.isNotNull(result);
+            assert.isArray(results);
+            assert.isObject(result);
+            assert.property(result, "ruleId");
+            assert.strictEqual(result.ruleId, "foobar");
+        });
+
+        it("should report that the rule does not exist", () => {
+            assert.property(result, "message");
+            assert.strictEqual(result.message, "Definition for rule 'foobar' was not found.");
+        });
+
+        it("should report at the correct severity", () => {
+            assert.property(result, "severity");
+            assert.strictEqual(result.severity, 2);
+            assert.strictEqual(warningResult.severity, 2); // this is 2, since the rulename is very likely to be wrong
+        });
+
+        it("should accept any valid rule configuration", () => {
+            assert.isObject(arrayOptionResults[0]);
+            assert.isObject(objectOptionResults[0]);
+        });
+
+        it("should report multiple missing rules", () => {
+            assert.isArray(resultsMultiple);
+
+            assert.deepStrictEqual(
+                resultsMultiple[1],
+                {
+                    ruleId: "barfoo",
+                    message: "Definition for rule 'barfoo' was not found.",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 2,
+                    severity: 2,
+                    nodeType: null
+                }
+            );
+        });
+    });
+
+    describe("when using a rule which has been replaced", () => {
+        const code = TEST_CODE;
+        const results = linter.verify(code, { rules: { "no-comma-dangle": 2 } });
+
+        it("should report the new rule", () => {
+            assert.strictEqual(results[0].ruleId, "no-comma-dangle");
+            assert.strictEqual(results[0].message, "Rule 'no-comma-dangle' was removed and replaced by: comma-dangle");
+        });
+    });
+
+    describe("when calling getRules", () => {
+        it("should return all loaded rules", () => {
+            const rules = linter.getRules();
+
+            assert.isAbove(rules.size, 230);
+            assert.isObject(rules.get("no-alert"));
+        });
+    });
+
+    describe("when calling version", () => {
+        it("should return current version number", () => {
+            const version = linter.version;
+
+            assert.isString(version);
+            assert.isTrue(parseInt(version[0], 10) >= 3);
+        });
+    });
+
+    describe("when evaluating an empty string", () => {
+        it("runs rules", () => {
+            linter.defineRule("no-programs", context => ({
+                Program(node) {
+                    context.report({ node, message: "No programs allowed." });
+                }
+            }));
+
+            assert.strictEqual(
+                linter.verify("", { rules: { "no-programs": "error" } }).length,
+                1
+            );
+        });
+    });
+
+    describe("when evaluating code without comments to environment", () => {
+        it("should report a violation when using typed array", () => {
+            const code = "var array = new Uint8Array();";
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+        });
+
+        it("should report a violation when using Promise", () => {
+            const code = "new Promise();";
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+        });
+    });
+
+    describe("when evaluating code with comments to environment", () => {
+        it("should not support legacy config", () => {
+            const code = "/*jshint mocha:true */ describe();";
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-undef");
+            assert.strictEqual(messages[0].nodeType, "Identifier");
+            assert.strictEqual(messages[0].line, 1);
+        });
+
+        it("should not report a violation", () => {
+            const code = "/*eslint-env es6 */ new Promise();";
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*${ESLINT_ENV} mocha,node */ require();describe();`;
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = "/*eslint-env mocha */ suite();test();";
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*${ESLINT_ENV} amd */ define();require();`;
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*${ESLINT_ENV} jasmine */ expect();spyOn();`;
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*globals require: true */ /*${ESLINT_ENV} node */ require = 1;`;
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*${ESLINT_ENV} node */ process.exit();`;
+
+            const config = { rules: {} };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report a violation", () => {
+            const code = `/*eslint no-process-exit: 0 */ /*${ESLINT_ENV} node */ process.exit();`;
+
+            const config = { rules: { "no-undef": 1 } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when evaluating code with comments to change config when allowInlineConfig is enabled", () => {
+        it("should report a violation for disabling rules", () => {
+            const code = [
+                "alert('test'); // eslint-disable-line no-alert"
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-alert": 1
+                }
+            };
+
+            const messages = linter.verify(code, config, {
+                filename,
+                allowInlineConfig: false
+            });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+        });
+
+        it("should report a violation for global variable declarations", () => {
+            const code = [
+                "/* global foo */"
+            ].join("\n");
+            const config = {
+                rules: {
+                    test: 2
+                }
+            };
+            let ok = false;
+
+            linter.defineRules({
+                test(context) {
+                    return {
+                        Program() {
+                            const scope = context.getScope();
+                            const sourceCode = context.getSourceCode();
+                            const comments = sourceCode.getAllComments();
+
+                            assert.strictEqual(1, comments.length);
+
+                            const foo = getVariable(scope, "foo");
+
+                            assert.notOk(foo);
+
+                            ok = true;
+                        }
+                    };
+                }
+            });
+
+            linter.verify(code, config, { allowInlineConfig: false });
+            assert(ok);
+        });
+
+        it("should report a violation for eslint-disable", () => {
+            const code = [
+                "/* eslint-disable */",
+                "alert('test');"
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-alert": 1
+                }
+            };
+
+            const messages = linter.verify(code, config, {
+                filename,
+                allowInlineConfig: false
+            });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+        });
+
+        it("should not report a violation for rule changes", () => {
+            const code = [
+                "/*eslint no-alert:2*/",
+                "alert('test');"
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-alert": 0
+                }
+            };
+
+            const messages = linter.verify(code, config, {
+                filename,
+                allowInlineConfig: false
+            });
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report a violation for disable-line", () => {
+            const code = [
+                "alert('test'); // eslint-disable-line"
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-alert": 2
+                }
+            };
+
+            const messages = linter.verify(code, config, {
+                filename,
+                allowInlineConfig: false
+            });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-alert");
+        });
+
+        it("should report a violation for env changes", () => {
+            const code = [
+                `/*${ESLINT_ENV} browser*/ window`
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-undef": 2
+                }
+            };
+            const messages = linter.verify(code, config, { allowInlineConfig: false });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].ruleId, "no-undef");
+        });
+    });
+
+    describe("when evaluating code with 'noInlineComment'", () => {
+        for (const directive of [
+            "globals foo",
+            "global foo",
+            "exported foo",
+            "eslint eqeqeq: error",
+            "eslint-disable eqeqeq",
+            "eslint-disable-line eqeqeq",
+            "eslint-disable-next-line eqeqeq",
+            "eslint-enable eqeqeq",
+            "eslint-env es6"
+        ]) {
+            // eslint-disable-next-line no-loop-func
+            it(`should warn '/* ${directive} */' if 'noInlineConfig' was given.`, () => {
+                const messages = linter.verify(`/* ${directive} */`, { noInlineConfig: true });
+
+                assert.deepStrictEqual(messages.length, 1);
+                assert.deepStrictEqual(messages[0].fatal, void 0);
+                assert.deepStrictEqual(messages[0].ruleId, null);
+                assert.deepStrictEqual(messages[0].severity, 1);
+                assert.deepStrictEqual(messages[0].message, `'/*${directive.split(" ")[0]}*/' has no effect because you have 'noInlineConfig' setting in your config.`);
+            });
+        }
+
+        for (const directive of [
+            "eslint-disable-line eqeqeq",
+            "eslint-disable-next-line eqeqeq"
+        ]) {
+            // eslint-disable-next-line no-loop-func
+            it(`should warn '// ${directive}' if 'noInlineConfig' was given.`, () => {
+                const messages = linter.verify(`// ${directive}`, { noInlineConfig: true });
+
+                assert.deepStrictEqual(messages.length, 1);
+                assert.deepStrictEqual(messages[0].fatal, void 0);
+                assert.deepStrictEqual(messages[0].ruleId, null);
+                assert.deepStrictEqual(messages[0].severity, 1);
+                assert.deepStrictEqual(messages[0].message, `'//${directive.split(" ")[0]}' has no effect because you have 'noInlineConfig' setting in your config.`);
+            });
+        }
+
+        it("should not warn if 'noInlineConfig' and '--no-inline-config' were given.", () => {
+            const messages = linter.verify("/* globals foo */", { noInlineConfig: true }, { allowInlineConfig: false });
+
+            assert.deepStrictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when receiving cwd in options during instantiation", () => {
+        const code = "a;\nb;";
+        const config = { rules: { checker: "error" } };
+
+        it("should get cwd correctly in the context", () => {
+            const cwd = "cwd";
+            const linterWithOption = new Linter({ cwd });
+            let spy;
+
+            linterWithOption.defineRule("checker", context => {
+                spy = sinon.spy(() => {
+                    assert.strictEqual(context.getCwd(), cwd);
+                });
+                return { Program: spy };
+            });
+
+            linterWithOption.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should assign process.cwd() to it if cwd is undefined", () => {
+            let spy;
+            const linterWithOption = new Linter({ });
+
+            linterWithOption.defineRule("checker", context => {
+
+                spy = sinon.spy(() => {
+                    assert.strictEqual(context.getCwd(), process.cwd());
+                });
+                return { Program: spy };
+            });
+
+            linterWithOption.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+
+        it("should assign process.cwd() to it if the option is undefined", () => {
+            let spy;
+
+            linter.defineRule("checker", context => {
+
+                spy = sinon.spy(() => {
+                    assert.strictEqual(context.getCwd(), process.cwd());
+                });
+                return { Program: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("reportUnusedDisable option", () => {
+        it("reports problems for unused eslint-disable comments", () => {
+            assert.deepStrictEqual(
+                linter.verify("/* eslint-disable */", {}, { reportUnusedDisableDirectives: true }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("reports problems for unused eslint-disable comments (error)", () => {
+            assert.deepStrictEqual(
+                linter.verify("/* eslint-disable */", {}, { reportUnusedDisableDirectives: "error" }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 2,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("reports problems for unused eslint-disable comments (warn)", () => {
+            assert.deepStrictEqual(
+                linter.verify("/* eslint-disable */", {}, { reportUnusedDisableDirectives: "warn" }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 1,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+
+        it("reports problems for unused eslint-disable comments (in config)", () => {
+            assert.deepStrictEqual(
+                linter.verify("/* eslint-disable */", { reportUnusedDisableDirectives: true }),
+                [
+                    {
+                        ruleId: null,
+                        message: "Unused eslint-disable directive (no problems were reported).",
+                        line: 1,
+                        column: 1,
+                        severity: 1,
+                        nodeType: null
+                    }
+                ]
+            );
+        });
+    });
+
+    describe("when evaluating code with comments to change config when allowInlineConfig is disabled", () => {
+        it("should not report a violation", () => {
+            const code = [
+                "alert('test'); // eslint-disable-line no-alert"
+            ].join("\n");
+            const config = {
+                rules: {
+                    "no-alert": 1
+                }
+            };
+
+            const messages = linter.verify(code, config, {
+                filename,
+                allowInlineConfig: true
+            });
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+
+    describe("when evaluating code with hashbang", () => {
+        it("should comment hashbang without breaking offset", () => {
+            const code = "#!/usr/bin/env node\n'123';";
+            const config = { rules: { checker: "error" } };
+            let spy;
+
+            linter.defineRule("checker", context => {
+                spy = sinon.spy(node => {
+                    assert.strictEqual(context.getSource(node), "'123';");
+                });
+                return { ExpressionStatement: spy };
+            });
+
+            linter.verify(code, config);
+            assert(spy && spy.calledOnce);
+        });
+    });
+
+    describe("verify()", () => {
+        describe("filenames", () => {
+            it("should allow filename to be passed on options object", () => {
+                const filenameChecker = sinon.spy(context => {
+                    assert.strictEqual(context.getFilename(), "foo.js");
+                    return {};
+                });
+
+                linter.defineRule("checker", filenameChecker);
+                linter.defineRule("checker", filenameChecker);
+                linter.verify("foo;", { rules: { checker: "error" } }, { filename: "foo.js" });
+                assert(filenameChecker.calledOnce);
+            });
+
+            it("should allow filename to be passed as third argument", () => {
+                const filenameChecker = sinon.spy(context => {
+                    assert.strictEqual(context.getFilename(), "bar.js");
+                    return {};
+                });
+
+                linter.defineRule("checker", filenameChecker);
+                linter.verify("foo;", { rules: { checker: "error" } }, "bar.js");
+                assert(filenameChecker.calledOnce);
+            });
+
+            it("should default filename to <input> when options object doesn't have filename", () => {
+                const filenameChecker = sinon.spy(context => {
+                    assert.strictEqual(context.getFilename(), "<input>");
+                    return {};
+                });
+
+                linter.defineRule("checker", filenameChecker);
+                linter.verify("foo;", { rules: { checker: "error" } }, {});
+                assert(filenameChecker.calledOnce);
+            });
+
+            it("should default filename to <input> when only two arguments are passed", () => {
+                const filenameChecker = sinon.spy(context => {
+                    assert.strictEqual(context.getFilename(), "<input>");
+                    return {};
+                });
+
+                linter.defineRule("checker", filenameChecker);
+                linter.verify("foo;", { rules: { checker: "error" } });
+                assert(filenameChecker.calledOnce);
+            });
+        });
+
+        it("should report warnings in order by line and column when called", () => {
+
+            const code = "foo()\n    alert('test')";
+            const config = { rules: { "no-mixed-spaces-and-tabs": 1, "eol-last": 1, semi: [1, "always"] } };
+
+            const messages = linter.verify(code, config, filename);
+
+            assert.strictEqual(messages.length, 3);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 6);
+            assert.strictEqual(messages[1].line, 2);
+            assert.strictEqual(messages[1].column, 18);
+            assert.strictEqual(messages[2].line, 2);
+            assert.strictEqual(messages[2].column, 18);
+        });
+
+        describe("ecmaVersion", () => {
+            describe("it should properly parse let declaration when", () => {
+                it("the ECMAScript version number is 6", () => {
+                    const messages = linter.verify("let x = 5;", {
+                        parserOptions: {
+                            ecmaVersion: 6
+                        }
+                    });
+
+                    assert.strictEqual(messages.length, 0);
+                });
+
+                it("the ECMAScript version number is 2015", () => {
+                    const messages = linter.verify("let x = 5;", {
+                        parserOptions: {
+                            ecmaVersion: 2015
+                        }
+                    });
+
+                    assert.strictEqual(messages.length, 0);
+                });
+            });
+
+            it("should fail to parse exponentiation operator when the ECMAScript version number is 2015", () => {
+                const messages = linter.verify("x ** y;", {
+                    parserOptions: {
+                        ecmaVersion: 2015
+                    }
+                });
+
+                assert.strictEqual(messages.length, 1);
+            });
+
+            describe("should properly parse exponentiation operator when", () => {
+                it("the ECMAScript version number is 7", () => {
+                    const messages = linter.verify("x ** y;", {
+                        parserOptions: {
+                            ecmaVersion: 7
+                        }
+                    });
+
+                    assert.strictEqual(messages.length, 0);
+                });
+
+                it("the ECMAScript version number is 2016", () => {
+                    const messages = linter.verify("x ** y;", {
+                        parserOptions: {
+                            ecmaVersion: 2016
+                        }
+                    });
+
+                    assert.strictEqual(messages.length, 0);
+                });
+            });
+        });
+
+        it("should properly parse object spread when ecmaVersion is 2018", () => {
+
+            const messages = linter.verify("var x = { ...y };", {
+                parserOptions: {
+                    ecmaVersion: 2018
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should properly parse global return when passed ecmaFeatures", () => {
+
+            const messages = linter.verify("return;", {
+                parserOptions: {
+                    ecmaFeatures: {
+                        globalReturn: true
+                    }
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should properly parse global return when in Node.js environment", () => {
+
+            const messages = linter.verify("return;", {
+                env: {
+                    node: true
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not parse global return when in Node.js environment with globalReturn explicitly off", () => {
+
+            const messages = linter.verify("return;", {
+                env: {
+                    node: true
+                },
+                parserOptions: {
+                    ecmaFeatures: {
+                        globalReturn: false
+                    }
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Parsing error: 'return' outside of function");
+        });
+
+        it("should not parse global return when Node.js environment is false", () => {
+
+            const messages = linter.verify("return;", {}, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Parsing error: 'return' outside of function");
+        });
+
+        it("should properly parse sloppy-mode code when impliedStrict is false", () => {
+
+            const messages = linter.verify("var private;", {}, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not parse sloppy-mode code when impliedStrict is true", () => {
+
+            const messages = linter.verify("var private;", {
+                parserOptions: {
+                    ecmaFeatures: {
+                        impliedStrict: true
+                    }
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "Parsing error: The keyword 'private' is reserved");
+        });
+
+        it("should properly parse valid code when impliedStrict is true", () => {
+
+            const messages = linter.verify("var foo;", {
+                parserOptions: {
+                    ecmaFeatures: {
+                        impliedStrict: true
+                    }
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should properly parse JSX when passed ecmaFeatures", () => {
+
+            const messages = linter.verify("var x = <div/>;", {
+                parserOptions: {
+                    ecmaFeatures: {
+                        jsx: true
+                    }
+                }
+            }, filename);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report an error when JSX code is encountered and JSX is not enabled", () => {
+            const code = "var myDivElement = <div className=\"foo\" />;";
+            const messages = linter.verify(code, {}, "filename");
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].line, 1);
+            assert.strictEqual(messages[0].column, 20);
+            assert.strictEqual(messages[0].message, "Parsing error: Unexpected token <");
+        });
+
+        it("should not report an error when JSX code is encountered and JSX is enabled", () => {
+            const code = "var myDivElement = <div className=\"foo\" />;";
+            const messages = linter.verify(code, { parserOptions: { ecmaFeatures: { jsx: true } } }, "filename");
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not report an error when JSX code contains a spread operator and JSX is enabled", () => {
+            const code = "var myDivElement = <div {...this.props} />;";
+            const messages = linter.verify(code, { parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } }, "filename");
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should be able to use es6 features if there is a comment which has \"eslint-env es6\"", () => {
+            const code = [
+                "/* eslint-env es6 */",
+                "var arrow = () => 0;",
+                "var binary = 0b1010;",
+                "{ let a = 0; const b = 1; }",
+                "class A {}",
+                "function defaultParams(a = 0) {}",
+                "var {a = 1, b = 2} = {};",
+                "for (var a of []) {}",
+                "function* generator() { yield 0; }",
+                "var computed = {[a]: 0};",
+                "var duplicate = {dup: 0, dup: 1};",
+                "var method = {foo() {}};",
+                "var property = {a, b};",
+                "var octal = 0o755;",
+                "var u = /^.$/u.test('ð ®·');",
+                "var y = /hello/y.test('hello');",
+                "function restParam(a, ...rest) {}",
+                "class B { superInFunc() { super.foo(); } }",
+                "var template = `hello, ${a}`;",
+                "var unicode = '\\u{20BB7}';"
+            ].join("\n");
+
+            const messages = linter.verify(code, null, "eslint-env es6");
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should be able to return in global if there is a comment which enables the node environment with a comment", () => {
+            const messages = linter.verify(`/* ${ESLINT_ENV} node */ return;`, null, "node environment");
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should attach a \"/*global\" comment node to declared variables", () => {
+            const code = "/* global foo */\n/* global bar, baz */";
+            let ok = false;
+
+            linter.defineRules({
+                test(context) {
+                    return {
+                        Program() {
+                            const scope = context.getScope();
+                            const sourceCode = context.getSourceCode();
+                            const comments = sourceCode.getAllComments();
+
+                            assert.strictEqual(2, comments.length);
+
+                            const foo = getVariable(scope, "foo");
+
+                            assert.strictEqual(foo.eslintExplicitGlobal, true);
+                            assert.strictEqual(foo.eslintExplicitGlobalComments[0], comments[0]);
+
+                            const bar = getVariable(scope, "bar");
+
+                            assert.strictEqual(bar.eslintExplicitGlobal, true);
+                            assert.strictEqual(bar.eslintExplicitGlobalComments[0], comments[1]);
+
+                            const baz = getVariable(scope, "baz");
+
+                            assert.strictEqual(baz.eslintExplicitGlobal, true);
+                            assert.strictEqual(baz.eslintExplicitGlobalComments[0], comments[1]);
+
+                            ok = true;
+                        }
+                    };
+                }
+            });
+
+            linter.verify(code, { rules: { test: 2 } });
+            assert(ok);
+        });
+
+        it("should report a linting error when a global is set to an invalid value", () => {
+            const results = linter.verify("/* global foo: AAAAA, bar: readonly */\nfoo;\nbar;", { rules: { "no-undef": "error" } });
+
+            assert.deepStrictEqual(results, [
+                {
+                    ruleId: null,
+                    severity: 2,
+                    message: "'AAAAA' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 39,
+                    nodeType: null
+                },
+                {
+                    ruleId: "no-undef",
+                    messageId: "undef",
+                    severity: 2,
+                    message: "'foo' is not defined.",
+                    line: 2,
+                    column: 1,
+                    endLine: 2,
+                    endColumn: 4,
+                    nodeType: "Identifier"
+                }
+            ]);
+        });
+
+        it("should not crash when we reuse the SourceCode object", () => {
+            linter.verify("function render() { return <div className='test'>{hello}</div> }", { parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } });
+            linter.verify(linter.getSourceCode(), { parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } });
+        });
+
+        it("should reuse the SourceCode object", () => {
+            let ast1 = null,
+                ast2 = null;
+
+            linter.defineRule("save-ast1", () => ({
+                Program(node) {
+                    ast1 = node;
+                }
+            }));
+            linter.defineRule("save-ast2", () => ({
+                Program(node) {
+                    ast2 = node;
+                }
+            }));
+
+            linter.verify("function render() { return <div className='test'>{hello}</div> }", { parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } }, rules: { "save-ast1": 2 } });
+            linter.verify(linter.getSourceCode(), { parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } }, rules: { "save-ast2": 2 } });
+
+            assert(ast1 !== null);
+            assert(ast2 !== null);
+            assert(ast1 === ast2);
+        });
+
+        it("should allow 'await' as a property name in modules", () => {
+            const result = linter.verify(
+                "obj.await",
+                { parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+            );
+
+            assert(result.length === 0);
+        });
+
+
+        it("should not modify config object passed as argument", () => {
+            const config = {};
+
+            Object.freeze(config);
+            linter.verify("var", config);
+        });
+
+        it("should pass 'id' to rule contexts with the rule id", () => {
+            const spy = sinon.spy(context => {
+                assert.strictEqual(context.id, "foo-bar-baz");
+                return {};
+            });
+
+            linter.defineRule("foo-bar-baz", spy);
+            linter.verify("x", { rules: { "foo-bar-baz": "error" } });
+            assert(spy.calledOnce);
+        });
+
+        describe("descriptions in directive comments", () => {
+            it("should ignore the part preceded by '--' in '/*eslint*/'.", () => {
+                const aaa = sinon.stub().returns({});
+                const bbb = sinon.stub().returns({});
+
+                linter.defineRule("aaa", { create: aaa });
+                linter.defineRule("bbb", { create: bbb });
+                const messages = linter.verify(`
+                    /*eslint aaa:error -- bbb:error */
+                    console.log("hello")
+                `, {});
+
+                // Don't include syntax error of the comment.
+                assert.deepStrictEqual(messages, []);
+
+                // Use only `aaa`.
+                assert.strictEqual(aaa.callCount, 1);
+                assert.strictEqual(bbb.callCount, 0);
+            });
+
+            it("should ignore the part preceded by '--' in '/*eslint-env*/'.", () => {
+                const messages = linter.verify(`
+                    /*eslint-env es2015 -- es2017 */
+                    var Promise = {}
+                    var Atomics = {}
+                `, { rules: { "no-redeclare": "error" } });
+
+                // Don't include `Atomics`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endColumn: 32,
+                        endLine: 3,
+                        line: 3,
+                        message: "'Promise' is already defined as a built-in global variable.",
+                        messageId: "redeclaredAsBuiltin",
+                        nodeType: "Identifier",
+                        ruleId: "no-redeclare",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*global*/'.", () => {
+                const messages = linter.verify(`
+                    /*global aaa -- bbb */
+                    var aaa = {}
+                    var bbb = {}
+                `, { rules: { "no-redeclare": "error" } });
+
+                // Don't include `bbb`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 30,
+                        endColumn: 33,
+                        line: 2,
+                        endLine: 2,
+                        message: "'aaa' is already defined by a variable declaration.",
+                        messageId: "redeclaredBySyntax",
+                        nodeType: "Block",
+                        ruleId: "no-redeclare",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*globals*/'.", () => {
+                const messages = linter.verify(`
+                    /*globals aaa -- bbb */
+                    var aaa = {}
+                    var bbb = {}
+                `, { rules: { "no-redeclare": "error" } });
+
+                // Don't include `bbb`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 31,
+                        endColumn: 34,
+                        line: 2,
+                        endLine: 2,
+                        message: "'aaa' is already defined by a variable declaration.",
+                        messageId: "redeclaredBySyntax",
+                        nodeType: "Block",
+                        ruleId: "no-redeclare",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*exported*/'.", () => {
+                const messages = linter.verify(`
+                    /*exported aaa -- bbb */
+                    var aaa = {}
+                    var bbb = {}
+                `, { rules: { "no-unused-vars": "error" } });
+
+                // Don't include `aaa`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endColumn: 28,
+                        endLine: 4,
+                        line: 4,
+                        message: "'bbb' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*eslint-disable*/'.", () => {
+                const messages = linter.verify(`
+                    /*eslint-disable no-redeclare -- no-unused-vars */
+                    var aaa = {}
+                    var aaa = {}
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-unused-vars` but not `no-redeclare`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 3,
+                        endColumn: 28,
+                        line: 3,
+                        message: "'aaa' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*eslint-enable*/'.", () => {
+                const messages = linter.verify(`
+                    /*eslint-disable no-redeclare, no-unused-vars */
+                    /*eslint-enable no-redeclare -- no-unused-vars */
+                    var aaa = {}
+                    var aaa = {}
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-redeclare` but not `no-unused-vars`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 5,
+                        endColumn: 28,
+                        line: 5,
+                        message: "'aaa' is already defined.",
+                        messageId: "redeclared",
+                        nodeType: "Identifier",
+                        ruleId: "no-redeclare",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '//eslint-disable-line'.", () => {
+                const messages = linter.verify(`
+                    var aaa = {} //eslint-disable-line no-redeclare -- no-unused-vars
+                    var aaa = {} //eslint-disable-line no-redeclare -- no-unused-vars
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-unused-vars` but not `no-redeclare`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 2,
+                        endColumn: 28,
+                        line: 2,
+                        message: "'aaa' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*eslint-disable-line*/'.", () => {
+                const messages = linter.verify(`
+                    var aaa = {} /*eslint-disable-line no-redeclare -- no-unused-vars */
+                    var aaa = {} /*eslint-disable-line no-redeclare -- no-unused-vars */
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-unused-vars` but not `no-redeclare`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 2,
+                        endColumn: 28,
+                        line: 2,
+                        message: "'aaa' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '//eslint-disable-next-line'.", () => {
+                const messages = linter.verify(`
+                    //eslint-disable-next-line no-redeclare -- no-unused-vars
+                    var aaa = {}
+                    //eslint-disable-next-line no-redeclare -- no-unused-vars
+                    var aaa = {}
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-unused-vars` but not `no-redeclare`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 3,
+                        endColumn: 28,
+                        line: 3,
+                        message: "'aaa' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should ignore the part preceded by '--' in '/*eslint-disable-next-line*/'.", () => {
+                const messages = linter.verify(`
+                    /*eslint-disable-next-line no-redeclare -- no-unused-vars */
+                    var aaa = {}
+                    /*eslint-disable-next-line no-redeclare -- no-unused-vars */
+                    var aaa = {}
+                `, { rules: { "no-redeclare": "error", "no-unused-vars": "error" } });
+
+                // Do include `no-unused-vars` but not `no-redeclare`
+                assert.deepStrictEqual(
+                    messages,
+                    [{
+                        column: 25,
+                        endLine: 3,
+                        endColumn: 28,
+                        line: 3,
+                        message: "'aaa' is assigned a value but never used.",
+                        messageId: "unusedVar",
+                        nodeType: "Identifier",
+                        ruleId: "no-unused-vars",
+                        severity: 2
+                    }]
+                );
+            });
+
+            it("should not ignore the part preceded by '--' if the '--' is not surrounded by whitespaces.", () => {
+                const rule = sinon.stub().returns({});
+
+                linter.defineRule("a--rule", { create: rule });
+                const messages = linter.verify(`
+                    /*eslint a--rule:error */
+                    console.log("hello")
+                `, {});
+
+                // Don't include syntax error of the comment.
+                assert.deepStrictEqual(messages, []);
+
+                // Use `a--rule`.
+                assert.strictEqual(rule.callCount, 1);
+            });
+
+            it("should ignore the part preceded by '--' even if the '--' is longer than 2.", () => {
+                const aaa = sinon.stub().returns({});
+                const bbb = sinon.stub().returns({});
+
+                linter.defineRule("aaa", { create: aaa });
+                linter.defineRule("bbb", { create: bbb });
+                const messages = linter.verify(`
+                    /*eslint aaa:error -------- bbb:error */
+                    console.log("hello")
+                `, {});
+
+                // Don't include syntax error of the comment.
+                assert.deepStrictEqual(messages, []);
+
+                // Use only `aaa`.
+                assert.strictEqual(aaa.callCount, 1);
+                assert.strictEqual(bbb.callCount, 0);
+            });
+
+            it("should ignore the part preceded by '--' with line breaks.", () => {
+                const aaa = sinon.stub().returns({});
+                const bbb = sinon.stub().returns({});
+
+                linter.defineRule("aaa", { create: aaa });
+                linter.defineRule("bbb", { create: bbb });
+                const messages = linter.verify(`
+                    /*eslint aaa:error
+                        --------
+                        bbb:error */
+                    console.log("hello")
+                `, {});
+
+                // Don't include syntax error of the comment.
+                assert.deepStrictEqual(messages, []);
+
+                // Use only `aaa`.
+                assert.strictEqual(aaa.callCount, 1);
+                assert.strictEqual(bbb.callCount, 0);
+            });
+        });
+    });
+
+    describe("context.getScope()", () => {
+
+        /**
+         * Get the scope on the node `astSelector` specified.
+         * @param {string} code The source code to verify.
+         * @param {string} astSelector The AST selector to get scope.
+         * @param {number} [ecmaVersion=5] The ECMAScript version.
+         * @returns {{node: ASTNode, scope: escope.Scope}} Gotten scope.
+         */
+        function getScope(code, astSelector, ecmaVersion = 5) {
+            let node, scope;
+
+            linter.defineRule("get-scope", context => ({
+                [astSelector](node0) {
+                    node = node0;
+                    scope = context.getScope();
+                }
+            }));
+            linter.verify(
+                code,
+                {
+                    parserOptions: { ecmaVersion },
+                    rules: { "get-scope": 2 }
+                }
+            );
+
+            return { node, scope };
+        }
+
+        it("should return 'function' scope on FunctionDeclaration (ES5)", () => {
+            const { node, scope } = getScope("function f() {}", "FunctionDeclaration");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node);
+        });
+
+        it("should return 'function' scope on FunctionExpression (ES5)", () => {
+            const { node, scope } = getScope("!function f() {}", "FunctionExpression");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node);
+        });
+
+        it("should return 'function' scope on the body of FunctionDeclaration (ES5)", () => {
+            const { node, scope } = getScope("function f() {}", "BlockStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent);
+        });
+
+        it("should return 'function' scope on the body of FunctionDeclaration (ES2015)", () => {
+            const { node, scope } = getScope("function f() {}", "BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent);
+        });
+
+        it("should return 'function' scope on BlockStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { { var b; } }", "BlockStatement > BlockStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "b"]);
+        });
+
+        it("should return 'block' scope on BlockStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { { let a; var b; } }", "BlockStatement > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.upper.type, "function");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["a"]);
+            assert.deepStrictEqual(scope.variableScope.variables.map(v => v.name), ["arguments", "b"]);
+        });
+
+        it("should return 'block' scope on nested BlockStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { { let a; { let b; var c; } } }", "BlockStatement > BlockStatement > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.upper.type, "block");
+            assert.strictEqual(scope.upper.upper.type, "function");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["b"]);
+            assert.deepStrictEqual(scope.upper.variables.map(v => v.name), ["a"]);
+            assert.deepStrictEqual(scope.variableScope.variables.map(v => v.name), ["arguments", "c"]);
+        });
+
+        it("should return 'function' scope on SwitchStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { switch (a) { case 0: var b; } }", "SwitchStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "b"]);
+        });
+
+        it("should return 'switch' scope on SwitchStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { switch (a) { case 0: let b; } }", "SwitchStatement", 2015);
+
+            assert.strictEqual(scope.type, "switch");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["b"]);
+        });
+
+        it("should return 'function' scope on SwitchCase in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { switch (a) { case 0: var b; } }", "SwitchCase");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "b"]);
+        });
+
+        it("should return 'switch' scope on SwitchCase in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { switch (a) { case 0: let b; } }", "SwitchCase", 2015);
+
+            assert.strictEqual(scope.type, "switch");
+            assert.strictEqual(scope.block, node.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["b"]);
+        });
+
+        it("should return 'catch' scope on CatchClause in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { try {} catch (e) { var a; } }", "CatchClause");
+
+            assert.strictEqual(scope.type, "catch");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["e"]);
+        });
+
+        it("should return 'catch' scope on CatchClause in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { try {} catch (e) { let a; } }", "CatchClause", 2015);
+
+            assert.strictEqual(scope.type, "catch");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["e"]);
+        });
+
+        it("should return 'catch' scope on the block of CatchClause in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { try {} catch (e) { var a; } }", "CatchClause > BlockStatement");
+
+            assert.strictEqual(scope.type, "catch");
+            assert.strictEqual(scope.block, node.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["e"]);
+        });
+
+        it("should return 'block' scope on the block of CatchClause in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { try {} catch (e) { let a; } }", "CatchClause > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["a"]);
+        });
+
+        it("should return 'function' scope on ForStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { for (var i = 0; i < 10; ++i) {} }", "ForStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "i"]);
+        });
+
+        it("should return 'for' scope on ForStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let i = 0; i < 10; ++i) {} }", "ForStatement", 2015);
+
+            assert.strictEqual(scope.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["i"]);
+        });
+
+        it("should return 'function' scope on the block body of ForStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { for (var i = 0; i < 10; ++i) {} }", "ForStatement > BlockStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "i"]);
+        });
+
+        it("should return 'block' scope on the block body of ForStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let i = 0; i < 10; ++i) {} }", "ForStatement > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.upper.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), []);
+            assert.deepStrictEqual(scope.upper.variables.map(v => v.name), ["i"]);
+        });
+
+        it("should return 'function' scope on ForInStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { for (var key in obj) {} }", "ForInStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "key"]);
+        });
+
+        it("should return 'for' scope on ForInStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let key in obj) {} }", "ForInStatement", 2015);
+
+            assert.strictEqual(scope.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["key"]);
+        });
+
+        it("should return 'function' scope on the block body of ForInStatement in functions (ES5)", () => {
+            const { node, scope } = getScope("function f() { for (var key in obj) {} }", "ForInStatement > BlockStatement");
+
+            assert.strictEqual(scope.type, "function");
+            assert.strictEqual(scope.block, node.parent.parent.parent);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["arguments", "key"]);
+        });
+
+        it("should return 'block' scope on the block body of ForInStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let key in obj) {} }", "ForInStatement > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.upper.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), []);
+            assert.deepStrictEqual(scope.upper.variables.map(v => v.name), ["key"]);
+        });
+
+        it("should return 'for' scope on ForOfStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let x of xs) {} }", "ForOfStatement", 2015);
+
+            assert.strictEqual(scope.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), ["x"]);
+        });
+
+        it("should return 'block' scope on the block body of ForOfStatement in functions (ES2015)", () => {
+            const { node, scope } = getScope("function f() { for (let x of xs) {} }", "ForOfStatement > BlockStatement", 2015);
+
+            assert.strictEqual(scope.type, "block");
+            assert.strictEqual(scope.upper.type, "for");
+            assert.strictEqual(scope.block, node);
+            assert.deepStrictEqual(scope.variables.map(v => v.name), []);
+            assert.deepStrictEqual(scope.upper.variables.map(v => v.name), ["x"]);
+        });
+
+        it("should shadow the same name variable by the iteration variable.", () => {
+            const { node, scope } = getScope("let x; for (let x of x) {}", "ForOfStatement", 2015);
+
+            assert.strictEqual(scope.type, "for");
+            assert.strictEqual(scope.upper.type, "global");
+            assert.strictEqual(scope.block, node);
+            assert.strictEqual(scope.upper.variables[0].references.length, 0);
+            assert.strictEqual(scope.references[0].identifier, node.left.declarations[0].id);
+            assert.strictEqual(scope.references[1].identifier, node.right);
+            assert.strictEqual(scope.references[1].resolved, scope.variables[0]);
+        });
+    });
+
+    describe("Variables and references", () => {
+        const code = [
+            "a;",
+            "function foo() { b; }",
+            "Object;",
+            "foo;",
+            "var c;",
+            "c;",
+            "/* global d */",
+            "d;",
+            "e;",
+            "f;"
+        ].join("\n");
+        let scope = null;
+
+        beforeEach(() => {
+            let ok = false;
+
+            linter.defineRules({
+                test(context) {
+                    return {
+                        Program() {
+                            scope = context.getScope();
+                            ok = true;
+                        }
+                    };
+                }
+            });
+            linter.verify(code, { rules: { test: 2 }, globals: { e: true, f: false } });
+            assert(ok);
+        });
+
+        afterEach(() => {
+            scope = null;
+        });
+
+        it("Scope#through should contain references of undefined variables", () => {
+            assert.strictEqual(scope.through.length, 2);
+            assert.strictEqual(scope.through[0].identifier.name, "a");
+            assert.strictEqual(scope.through[0].identifier.loc.start.line, 1);
+            assert.strictEqual(scope.through[0].resolved, null);
+            assert.strictEqual(scope.through[1].identifier.name, "b");
+            assert.strictEqual(scope.through[1].identifier.loc.start.line, 2);
+            assert.strictEqual(scope.through[1].resolved, null);
+        });
+
+        it("Scope#variables should contain global variables", () => {
+            assert(scope.variables.some(v => v.name === "Object"));
+            assert(scope.variables.some(v => v.name === "foo"));
+            assert(scope.variables.some(v => v.name === "c"));
+            assert(scope.variables.some(v => v.name === "d"));
+            assert(scope.variables.some(v => v.name === "e"));
+            assert(scope.variables.some(v => v.name === "f"));
+        });
+
+        it("Scope#set should contain global variables", () => {
+            assert(scope.set.get("Object"));
+            assert(scope.set.get("foo"));
+            assert(scope.set.get("c"));
+            assert(scope.set.get("d"));
+            assert(scope.set.get("e"));
+            assert(scope.set.get("f"));
+        });
+
+        it("Variables#references should contain their references", () => {
+            assert.strictEqual(scope.set.get("Object").references.length, 1);
+            assert.strictEqual(scope.set.get("Object").references[0].identifier.name, "Object");
+            assert.strictEqual(scope.set.get("Object").references[0].identifier.loc.start.line, 3);
+            assert.strictEqual(scope.set.get("Object").references[0].resolved, scope.set.get("Object"));
+            assert.strictEqual(scope.set.get("foo").references.length, 1);
+            assert.strictEqual(scope.set.get("foo").references[0].identifier.name, "foo");
+            assert.strictEqual(scope.set.get("foo").references[0].identifier.loc.start.line, 4);
+            assert.strictEqual(scope.set.get("foo").references[0].resolved, scope.set.get("foo"));
+            assert.strictEqual(scope.set.get("c").references.length, 1);
+            assert.strictEqual(scope.set.get("c").references[0].identifier.name, "c");
+            assert.strictEqual(scope.set.get("c").references[0].identifier.loc.start.line, 6);
+            assert.strictEqual(scope.set.get("c").references[0].resolved, scope.set.get("c"));
+            assert.strictEqual(scope.set.get("d").references.length, 1);
+            assert.strictEqual(scope.set.get("d").references[0].identifier.name, "d");
+            assert.strictEqual(scope.set.get("d").references[0].identifier.loc.start.line, 8);
+            assert.strictEqual(scope.set.get("d").references[0].resolved, scope.set.get("d"));
+            assert.strictEqual(scope.set.get("e").references.length, 1);
+            assert.strictEqual(scope.set.get("e").references[0].identifier.name, "e");
+            assert.strictEqual(scope.set.get("e").references[0].identifier.loc.start.line, 9);
+            assert.strictEqual(scope.set.get("e").references[0].resolved, scope.set.get("e"));
+            assert.strictEqual(scope.set.get("f").references.length, 1);
+            assert.strictEqual(scope.set.get("f").references[0].identifier.name, "f");
+            assert.strictEqual(scope.set.get("f").references[0].identifier.loc.start.line, 10);
+            assert.strictEqual(scope.set.get("f").references[0].resolved, scope.set.get("f"));
+        });
+
+        it("Reference#resolved should be their variable", () => {
+            assert.strictEqual(scope.set.get("Object").references[0].resolved, scope.set.get("Object"));
+            assert.strictEqual(scope.set.get("foo").references[0].resolved, scope.set.get("foo"));
+            assert.strictEqual(scope.set.get("c").references[0].resolved, scope.set.get("c"));
+            assert.strictEqual(scope.set.get("d").references[0].resolved, scope.set.get("d"));
+            assert.strictEqual(scope.set.get("e").references[0].resolved, scope.set.get("e"));
+            assert.strictEqual(scope.set.get("f").references[0].resolved, scope.set.get("f"));
+        });
+    });
+
+    describe("context.getDeclaredVariables(node)", () => {
+
+        /**
+         * Assert `context.getDeclaredVariables(node)` is valid.
+         * @param {string} code A code to check.
+         * @param {string} type A type string of ASTNode. This method checks variables on the node of the type.
+         * @param {Array<Array<string>>} expectedNamesList An array of expected variable names. The expected variable names is an array of string.
+         * @returns {void}
+         */
+        function verify(code, type, expectedNamesList) {
+            linter.defineRules({
+                test(context) {
+
+                    /**
+                     * Assert `context.getDeclaredVariables(node)` is empty.
+                     * @param {ASTNode} node A node to check.
+                     * @returns {void}
+                     */
+                    function checkEmpty(node) {
+                        assert.strictEqual(0, context.getDeclaredVariables(node).length);
+                    }
+                    const rule = {
+                        Program: checkEmpty,
+                        EmptyStatement: checkEmpty,
+                        BlockStatement: checkEmpty,
+                        ExpressionStatement: checkEmpty,
+                        LabeledStatement: checkEmpty,
+                        BreakStatement: checkEmpty,
+                        ContinueStatement: checkEmpty,
+                        WithStatement: checkEmpty,
+                        SwitchStatement: checkEmpty,
+                        ReturnStatement: checkEmpty,
+                        ThrowStatement: checkEmpty,
+                        TryStatement: checkEmpty,
+                        WhileStatement: checkEmpty,
+                        DoWhileStatement: checkEmpty,
+                        ForStatement: checkEmpty,
+                        ForInStatement: checkEmpty,
+                        DebuggerStatement: checkEmpty,
+                        ThisExpression: checkEmpty,
+                        ArrayExpression: checkEmpty,
+                        ObjectExpression: checkEmpty,
+                        Property: checkEmpty,
+                        SequenceExpression: checkEmpty,
+                        UnaryExpression: checkEmpty,
+                        BinaryExpression: checkEmpty,
+                        AssignmentExpression: checkEmpty,
+                        UpdateExpression: checkEmpty,
+                        LogicalExpression: checkEmpty,
+                        ConditionalExpression: checkEmpty,
+                        CallExpression: checkEmpty,
+                        NewExpression: checkEmpty,
+                        MemberExpression: checkEmpty,
+                        SwitchCase: checkEmpty,
+                        Identifier: checkEmpty,
+                        Literal: checkEmpty,
+                        ForOfStatement: checkEmpty,
+                        ArrowFunctionExpression: checkEmpty,
+                        YieldExpression: checkEmpty,
+                        TemplateLiteral: checkEmpty,
+                        TaggedTemplateExpression: checkEmpty,
+                        TemplateElement: checkEmpty,
+                        ObjectPattern: checkEmpty,
+                        ArrayPattern: checkEmpty,
+                        RestElement: checkEmpty,
+                        AssignmentPattern: checkEmpty,
+                        ClassBody: checkEmpty,
+                        MethodDefinition: checkEmpty,
+                        MetaProperty: checkEmpty
+                    };
+
+                    rule[type] = function(node) {
+                        const expectedNames = expectedNamesList.shift();
+                        const variables = context.getDeclaredVariables(node);
+
+                        assert(Array.isArray(expectedNames));
+                        assert(Array.isArray(variables));
+                        assert.strictEqual(expectedNames.length, variables.length);
+                        for (let i = variables.length - 1; i >= 0; i--) {
+                            assert.strictEqual(expectedNames[i], variables[i].name);
+                        }
+                    };
+                    return rule;
+                }
+            });
+            linter.verify(code, {
+                rules: { test: 2 },
+                parserOptions: {
+                    ecmaVersion: 6,
+                    sourceType: "module"
+                }
+            });
+
+            // Check all expected names are asserted.
+            assert.strictEqual(0, expectedNamesList.length);
+        }
+
+        it("VariableDeclaration", () => {
+            const code = "\n var {a, x: [b], y: {c = 0}} = foo;\n let {d, x: [e], y: {f = 0}} = foo;\n const {g, x: [h], y: {i = 0}} = foo, {j, k = function(z) { let l; }} = bar;\n ";
+            const namesList = [
+                ["a", "b", "c"],
+                ["d", "e", "f"],
+                ["g", "h", "i", "j", "k"],
+                ["l"]
+            ];
+
+            verify(code, "VariableDeclaration", namesList);
+        });
+
+        it("VariableDeclaration (on for-in/of loop)", () => {
+
+            // TDZ scope is created here, so tests to exclude those.
+            const code = "\n for (var {a, x: [b], y: {c = 0}} in foo) {\n let g;\n }\n for (let {d, x: [e], y: {f = 0}} of foo) {\n let h;\n }\n ";
+            const namesList = [
+                ["a", "b", "c"],
+                ["g"],
+                ["d", "e", "f"],
+                ["h"]
+            ];
+
+            verify(code, "VariableDeclaration", namesList);
+        });
+
+        it("VariableDeclarator", () => {
+
+            // TDZ scope is created here, so tests to exclude those.
+            const code = "\n var {a, x: [b], y: {c = 0}} = foo;\n let {d, x: [e], y: {f = 0}} = foo;\n const {g, x: [h], y: {i = 0}} = foo, {j, k = function(z) { let l; }} = bar;\n ";
+            const namesList = [
+                ["a", "b", "c"],
+                ["d", "e", "f"],
+                ["g", "h", "i"],
+                ["j", "k"],
+                ["l"]
+            ];
+
+            verify(code, "VariableDeclarator", namesList);
+        });
+
+        it("FunctionDeclaration", () => {
+            const code = "\n function foo({a, x: [b], y: {c = 0}}, [d, e]) {\n let z;\n }\n function bar({f, x: [g], y: {h = 0}}, [i, j = function(q) { let w; }]) {\n let z;\n }\n ";
+            const namesList = [
+                ["foo", "a", "b", "c", "d", "e"],
+                ["bar", "f", "g", "h", "i", "j"]
+            ];
+
+            verify(code, "FunctionDeclaration", namesList);
+        });
+
+        it("FunctionExpression", () => {
+            const code = "\n (function foo({a, x: [b], y: {c = 0}}, [d, e]) {\n let z;\n });\n (function bar({f, x: [g], y: {h = 0}}, [i, j = function(q) { let w; }]) {\n let z;\n });\n ";
+            const namesList = [
+                ["foo", "a", "b", "c", "d", "e"],
+                ["bar", "f", "g", "h", "i", "j"],
+                ["q"]
+            ];
+
+            verify(code, "FunctionExpression", namesList);
+        });
+
+        it("ArrowFunctionExpression", () => {
+            const code = "\n (({a, x: [b], y: {c = 0}}, [d, e]) => {\n let z;\n });\n (({f, x: [g], y: {h = 0}}, [i, j]) => {\n let z;\n });\n ";
+            const namesList = [
+                ["a", "b", "c", "d", "e"],
+                ["f", "g", "h", "i", "j"]
+            ];
+
+            verify(code, "ArrowFunctionExpression", namesList);
+        });
+
+        it("ClassDeclaration", () => {
+            const code = "\n class A { foo(x) { let y; } }\n class B { foo(x) { let y; } }\n ";
+            const namesList = [
+                ["A", "A"], // outer scope's and inner scope's.
+                ["B", "B"]
+            ];
+
+            verify(code, "ClassDeclaration", namesList);
+        });
+
+        it("ClassExpression", () => {
+            const code = "\n (class A { foo(x) { let y; } });\n (class B { foo(x) { let y; } });\n ";
+            const namesList = [
+                ["A"],
+                ["B"]
+            ];
+
+            verify(code, "ClassExpression", namesList);
+        });
+
+        it("CatchClause", () => {
+            const code = "\n try {} catch ({a, b}) {\n let x;\n try {} catch ({c, d}) {\n let y;\n }\n }\n ";
+            const namesList = [
+                ["a", "b"],
+                ["c", "d"]
+            ];
+
+            verify(code, "CatchClause", namesList);
+        });
+
+        it("ImportDeclaration", () => {
+            const code = "\n import \"aaa\";\n import * as a from \"bbb\";\n import b, {c, x as d} from \"ccc\";\n ";
+            const namesList = [
+                [],
+                ["a"],
+                ["b", "c", "d"]
+            ];
+
+            verify(code, "ImportDeclaration", namesList);
+        });
+
+        it("ImportSpecifier", () => {
+            const code = "\n import \"aaa\";\n import * as a from \"bbb\";\n import b, {c, x as d} from \"ccc\";\n ";
+            const namesList = [
+                ["c"],
+                ["d"]
+            ];
+
+            verify(code, "ImportSpecifier", namesList);
+        });
+
+        it("ImportDefaultSpecifier", () => {
+            const code = "\n import \"aaa\";\n import * as a from \"bbb\";\n import b, {c, x as d} from \"ccc\";\n ";
+            const namesList = [
+                ["b"]
+            ];
+
+            verify(code, "ImportDefaultSpecifier", namesList);
+        });
+
+        it("ImportNamespaceSpecifier", () => {
+            const code = "\n import \"aaa\";\n import * as a from \"bbb\";\n import b, {c, x as d} from \"ccc\";\n ";
+            const namesList = [
+                ["a"]
+            ];
+
+            verify(code, "ImportNamespaceSpecifier", namesList);
+        });
+    });
+
+    describe("suggestions", () => {
+        it("provides suggestion information for tools to use", () => {
+            linter.defineRule("rule-with-suggestions", context => ({
+                Program(node) {
+                    context.report({
+                        node,
+                        message: "Incorrect spacing",
+                        suggest: [{
+                            desc: "Insert space at the beginning",
+                            fix: fixer => fixer.insertTextBefore(node, " ")
+                        }, {
+                            desc: "Insert space at the end",
+                            fix: fixer => fixer.insertTextAfter(node, " ")
+                        }]
+                    });
+                }
+            }));
+
+            const messages = linter.verify("var a = 1;", { rules: { "rule-with-suggestions": "error" } });
+
+            assert.deepStrictEqual(messages[0].suggestions, [{
+                desc: "Insert space at the beginning",
+                fix: {
+                    range: [0, 0],
+                    text: " "
+                }
+            }, {
+                desc: "Insert space at the end",
+                fix: {
+                    range: [10, 10],
+                    text: " "
+                }
+            }]);
+        });
+
+        it("supports messageIds for suggestions", () => {
+            linter.defineRule("rule-with-suggestions", {
+                meta: {
+                    messages: {
+                        suggestion1: "Insert space at the beginning",
+                        suggestion2: "Insert space at the end"
+                    }
+                },
+                create: context => ({
+                    Program(node) {
+                        context.report({
+                            node,
+                            message: "Incorrect spacing",
+                            suggest: [{
+                                messageId: "suggestion1",
+                                fix: fixer => fixer.insertTextBefore(node, " ")
+                            }, {
+                                messageId: "suggestion2",
+                                fix: fixer => fixer.insertTextAfter(node, " ")
+                            }]
+                        });
+                    }
+                })
+            });
+
+            const messages = linter.verify("var a = 1;", { rules: { "rule-with-suggestions": "error" } });
+
+            assert.deepStrictEqual(messages[0].suggestions, [{
+                messageId: "suggestion1",
+                desc: "Insert space at the beginning",
+                fix: {
+                    range: [0, 0],
+                    text: " "
+                }
+            }, {
+                messageId: "suggestion2",
+                desc: "Insert space at the end",
+                fix: {
+                    range: [10, 10],
+                    text: " "
+                }
+            }]);
+        });
+    });
+
+    describe("mutability", () => {
+        let linter1 = null;
+        let linter2 = null;
+
+        beforeEach(() => {
+            linter1 = new Linter();
+            linter2 = new Linter();
+        });
+
+        describe("rules", () => {
+            it("with no changes, same rules are loaded", () => {
+                assert.sameDeepMembers(Array.from(linter1.getRules().keys()), Array.from(linter2.getRules().keys()));
+            });
+
+            it("loading rule in one doesn't change the other", () => {
+                linter1.defineRule("mock-rule", () => ({}));
+
+                assert.isTrue(linter1.getRules().has("mock-rule"), "mock rule is present");
+                assert.isFalse(linter2.getRules().has("mock-rule"), "mock rule is not present");
+            });
+        });
+    });
+
+    describe("processors", () => {
+        let receivedFilenames = [];
+
+        beforeEach(() => {
+            receivedFilenames = [];
+
+            // A rule that always reports the AST with a message equal to the source text
+            linter.defineRule("report-original-text", context => ({
+                Program(ast) {
+                    receivedFilenames.push(context.getFilename());
+                    context.report({ node: ast, message: context.getSourceCode().text });
+                }
+            }));
+        });
+
+        describe("preprocessors", () => {
+            it("should receive text and filename.", () => {
+                const code = "foo bar baz";
+                const preprocess = sinon.spy(text => text.split(" "));
+
+                linter.verify(code, {}, { filename, preprocess });
+
+                assert.strictEqual(preprocess.calledOnce, true);
+                assert.deepStrictEqual(preprocess.args[0], [code, filename]);
+            });
+
+            it("should apply a preprocessor to the code, and lint each code sample separately", () => {
+                const code = "foo bar baz";
+                const problems = linter.verify(
+                    code,
+                    { rules: { "report-original-text": "error" } },
+                    {
+
+                        // Apply a preprocessor that splits the source text into spaces and lints each word individually
+                        preprocess(input) {
+                            return input.split(" ");
+                        }
+                    }
+                );
+
+                assert.strictEqual(problems.length, 3);
+                assert.deepStrictEqual(problems.map(problem => problem.message), ["foo", "bar", "baz"]);
+            });
+
+            it("should apply a preprocessor to the code even if the preprocessor returned code block objects.", () => {
+                const code = "foo bar baz";
+                const problems = linter.verify(
+                    code,
+                    { rules: { "report-original-text": "error" } },
+                    {
+                        filename,
+
+                        // Apply a preprocessor that splits the source text into spaces and lints each word individually
+                        preprocess(input) {
+                            return input.split(" ").map(text => ({
+                                filename: "block.js",
+                                text
+                            }));
+                        }
+                    }
+                );
+
+                assert.strictEqual(problems.length, 3);
+                assert.deepStrictEqual(problems.map(problem => problem.message), ["foo", "bar", "baz"]);
+                assert.strictEqual(receivedFilenames.length, 3);
+                assert(/^filename\.js[/\\]0_block\.js/u.test(receivedFilenames[0]));
+                assert(/^filename\.js[/\\]1_block\.js/u.test(receivedFilenames[1]));
+                assert(/^filename\.js[/\\]2_block\.js/u.test(receivedFilenames[2]));
+            });
+
+            it("should receive text even if a SourceCode object was given.", () => {
+                const code = "foo";
+                const preprocess = sinon.spy(text => text.split(" "));
+
+                linter.verify(code, {});
+                const sourceCode = linter.getSourceCode();
+
+                linter.verify(sourceCode, {}, { filename, preprocess });
+
+                assert.strictEqual(preprocess.calledOnce, true);
+                assert.deepStrictEqual(preprocess.args[0], [code, filename]);
+            });
+
+            it("should receive text even if a SourceCode object was given (with BOM).", () => {
+                const code = "\uFEFFfoo";
+                const preprocess = sinon.spy(text => text.split(" "));
+
+                linter.verify(code, {});
+                const sourceCode = linter.getSourceCode();
+
+                linter.verify(sourceCode, {}, { filename, preprocess });
+
+                assert.strictEqual(preprocess.calledOnce, true);
+                assert.deepStrictEqual(preprocess.args[0], [code, filename]);
+            });
+        });
+
+        describe("postprocessors", () => {
+            it("should receive result and filename.", () => {
+                const code = "foo bar baz";
+                const preprocess = sinon.spy(text => text.split(" "));
+                const postprocess = sinon.spy(text => [text]);
+
+                linter.verify(code, {}, { filename, postprocess, preprocess });
+
+                assert.strictEqual(postprocess.calledOnce, true);
+                assert.deepStrictEqual(postprocess.args[0], [[[], [], []], filename]);
+            });
+
+            it("should apply a postprocessor to the reported messages", () => {
+                const code = "foo bar baz";
+
+                const problems = linter.verify(
+                    code,
+                    { rules: { "report-original-text": "error" } },
+                    {
+                        preprocess: input => input.split(" "),
+
+                        /*
+                         * Apply a postprocessor that updates the locations of the reported problems
+                         * to make sure they correspond to the locations in the original text.
+                         */
+                        postprocess(problemLists) {
+                            problemLists.forEach(problemList => assert.strictEqual(problemList.length, 1));
+                            return problemLists.reduce(
+                                (combinedList, problemList, index) =>
+                                    combinedList.concat(
+                                        problemList.map(
+                                            problem =>
+                                                Object.assign(
+                                                    {},
+                                                    problem,
+                                                    {
+                                                        message: problem.message.toUpperCase(),
+                                                        column: problem.column + index * 4
+                                                    }
+                                                )
+                                        )
+                                    ),
+                                []
+                            );
+                        }
+                    }
+                );
+
+                assert.strictEqual(problems.length, 3);
+                assert.deepStrictEqual(problems.map(problem => problem.message), ["FOO", "BAR", "BAZ"]);
+                assert.deepStrictEqual(problems.map(problem => problem.column), [1, 5, 9]);
+            });
+
+            it("should use postprocessed problem ranges when applying autofixes", () => {
+                const code = "foo bar baz";
+
+                linter.defineRule("capitalize-identifiers", context => ({
+                    Identifier(node) {
+                        if (node.name !== node.name.toUpperCase()) {
+                            context.report({
+                                node,
+                                message: "Capitalize this identifier",
+                                fix: fixer => fixer.replaceText(node, node.name.toUpperCase())
+                            });
+                        }
+                    }
+                }));
+
+                const fixResult = linter.verifyAndFix(
+                    code,
+                    { rules: { "capitalize-identifiers": "error" } },
+                    {
+
+                        /*
+                         * Apply a postprocessor that updates the locations of autofixes
+                         * to make sure they correspond to locations in the original text.
+                         */
+                        preprocess: input => input.split(" "),
+                        postprocess(problemLists) {
+                            return problemLists.reduce(
+                                (combinedProblems, problemList, blockIndex) =>
+                                    combinedProblems.concat(
+                                        problemList.map(problem =>
+                                            Object.assign(problem, {
+                                                fix: {
+                                                    text: problem.fix.text,
+                                                    range: problem.fix.range.map(
+                                                        rangeIndex => rangeIndex + blockIndex * 4
+                                                    )
+                                                }
+                                            }))
+                                    ),
+                                []
+                            );
+                        }
+                    }
+                );
+
+                assert.strictEqual(fixResult.fixed, true);
+                assert.strictEqual(fixResult.messages.length, 0);
+                assert.strictEqual(fixResult.output, "FOO BAR BAZ");
+            });
+        });
+    });
+
+    describe("verifyAndFix", () => {
+        it("Fixes the code", () => {
+            const messages = linter.verifyAndFix("var a", {
+                rules: {
+                    semi: 2
+                }
+            }, { filename: "test.js" });
+
+            assert.strictEqual(messages.output, "var a;", "Fixes were applied correctly");
+            assert.isTrue(messages.fixed);
+        });
+
+        it("does not require a third argument", () => {
+            const fixResult = linter.verifyAndFix("var a", {
+                rules: {
+                    semi: 2
+                }
+            });
+
+            assert.deepStrictEqual(fixResult, {
+                fixed: true,
+                messages: [],
+                output: "var a;"
+            });
+        });
+
+        it("does not include suggestions in autofix results", () => {
+            const fixResult = linter.verifyAndFix("var foo = /\\#/", {
+                rules: {
+                    semi: 2,
+                    "no-useless-escape": 2
+                }
+            });
+
+            assert.strictEqual(fixResult.output, "var foo = /\\#/;");
+            assert.strictEqual(fixResult.fixed, true);
+            assert.strictEqual(fixResult.messages[0].suggestions.length > 0, true);
+        });
+
+        it("does not apply autofixes when fix argument is `false`", () => {
+            const fixResult = linter.verifyAndFix("var a", {
+                rules: {
+                    semi: 2
+                }
+            }, { fix: false });
+
+            assert.strictEqual(fixResult.fixed, false);
+        });
+
+        it("stops fixing after 10 passes", () => {
+            linter.defineRule("add-spaces", context => ({
+                Program(node) {
+                    context.report({
+                        node,
+                        message: "Add a space before this node.",
+                        fix: fixer => fixer.insertTextBefore(node, " ")
+                    });
+                }
+            }));
+
+            const fixResult = linter.verifyAndFix("a", { rules: { "add-spaces": "error" } });
+
+            assert.strictEqual(fixResult.fixed, true);
+            assert.strictEqual(fixResult.output, `${" ".repeat(10)}a`);
+            assert.strictEqual(fixResult.messages.length, 1);
+        });
+
+        it("should throw an error if fix is passed but meta has no `fixable` property", () => {
+            linter.defineRule("test-rule", {
+                meta: {
+                    docs: {},
+                    schema: []
+                },
+                create: context => ({
+                    Program(node) {
+                        context.report(node, "hello world", {}, () => ({ range: [1, 1], text: "" }));
+                    }
+                })
+            });
+
+            assert.throws(() => {
+                linter.verify("0", { rules: { "test-rule": "error" } });
+            }, /Fixable rules should export a `meta\.fixable` property.\nOccurred while linting <input>:1$/u);
+        });
+
+        it("should not throw an error if fix is passed and there is no metadata", () => {
+            linter.defineRule("test-rule", {
+                create: context => ({
+                    Program(node) {
+                        context.report(node, "hello world", {}, () => ({ range: [1, 1], text: "" }));
+                    }
+                })
+            });
+
+            linter.verify("0", { rules: { "test-rule": "error" } });
+        });
+    });
+
+    describe("Edge cases", () => {
+
+        it("should properly parse import statements when sourceType is module", () => {
+            const code = "import foo from 'foo';";
+            const messages = linter.verify(code, { parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should properly parse import all statements when sourceType is module", () => {
+            const code = "import * as foo from 'foo';";
+            const messages = linter.verify(code, { parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should properly parse default export statements when sourceType is module", () => {
+            const code = "export default function initialize() {}";
+            const messages = linter.verify(code, { parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        // https://github.com/eslint/eslint/issues/9687
+        it("should report an error when invalid parserOptions found", () => {
+            let messages = linter.verify("", { parserOptions: { ecmaVersion: 222 } });
+
+            assert.deepStrictEqual(messages.length, 1);
+            assert.ok(messages[0].message.includes("Invalid ecmaVersion"));
+
+            messages = linter.verify("", { parserOptions: { sourceType: "foo" } });
+            assert.deepStrictEqual(messages.length, 1);
+            assert.ok(messages[0].message.includes("Invalid sourceType"));
+
+            messages = linter.verify("", { parserOptions: { ecmaVersion: 5, sourceType: "module" } });
+            assert.deepStrictEqual(messages.length, 1);
+            assert.ok(messages[0].message.includes("sourceType 'module' is not supported when ecmaVersion < 2015"));
+        });
+
+        it("should not crash when invalid parentheses syntax is encountered", () => {
+            linter.verify("left = (aSize.width/2) - ()");
+        });
+
+        it("should not crash when let is used inside of switch case", () => {
+            linter.verify("switch(foo) { case 1: let bar=2; }", { parserOptions: { ecmaVersion: 6 } });
+        });
+
+        it("should not crash when parsing destructured assignment", () => {
+            linter.verify("var { a='a' } = {};", { parserOptions: { ecmaVersion: 6 } });
+        });
+
+        it("should report syntax error when a keyword exists in object property shorthand", () => {
+            const messages = linter.verify("let a = {this}", { parserOptions: { ecmaVersion: 6 } });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].fatal, true);
+        });
+
+        it("should not rewrite env setting in core (https://github.com/eslint/eslint/issues/4814)", () => {
+
+            /*
+             * This test focuses on the instance of https://github.com/eslint/eslint/blob/v2.0.0-alpha-2/conf/environments.js#L26-L28
+             * This `verify()` takes the instance and runs https://github.com/eslint/eslint/blob/v2.0.0-alpha-2/lib/eslint.js#L416
+             */
+            linter.defineRule("test", () => ({}));
+            linter.verify("var a = 0;", {
+                env: { node: true },
+                parserOptions: { ecmaVersion: 6, sourceType: "module" },
+                rules: { test: 2 }
+            });
+
+            // This `verify()` takes the instance and tests that the instance was not modified.
+            let ok = false;
+
+            linter.defineRule("test", context => {
+                assert(
+                    context.parserOptions.ecmaFeatures.globalReturn,
+                    "`ecmaFeatures.globalReturn` of the node environment should not be modified."
+                );
+                ok = true;
+                return {};
+            });
+            linter.verify("var a = 0;", {
+                env: { node: true },
+                rules: { test: 2 }
+            });
+
+            assert(ok);
+        });
+    });
+
+    describe("Custom parser", () => {
+
+        const errorPrefix = "Parsing error: ";
+
+        it("should have file path passed to it", () => {
+            const code = "/* this is code */";
+            const parseSpy = sinon.spy(testParsers.stubParser, "parse");
+
+            linter.defineParser("stub-parser", testParsers.stubParser);
+            linter.verify(code, { parser: "stub-parser" }, filename, true);
+
+            sinon.assert.calledWithMatch(parseSpy, "", { filePath: filename });
+        });
+
+        it("should not report an error when JSX code contains a spread operator and JSX is enabled", () => {
+            const code = "var myDivElement = <div {...this.props} />;";
+
+            linter.defineParser("esprima", esprima);
+            const messages = linter.verify(code, { parser: "esprima", parserOptions: { jsx: true } }, "filename");
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should return an error when the custom parser can't be found", () => {
+            const code = "var myDivElement = <div {...this.props} />;";
+            const messages = linter.verify(code, { parser: "esprima-xyz" }, "filename");
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.strictEqual(messages[0].message, "Configured parser 'esprima-xyz' was not found.");
+        });
+
+        it("should not throw or report errors when the custom parser returns unrecognized operators (https://github.com/eslint/eslint/issues/10475)", () => {
+            const code = "null %% 'foo'";
+
+            linter.defineParser("unknown-logical-operator", testParsers.unknownLogicalOperator);
+
+            // This shouldn't throw
+            const messages = linter.verify(code, { parser: "unknown-logical-operator" }, filename, true);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should not throw or report errors when the custom parser returns nested unrecognized operators (https://github.com/eslint/eslint/issues/10560)", () => {
+            const code = "foo && bar %% baz";
+
+            linter.defineParser("unknown-logical-operator-nested", testParsers.unknownLogicalOperatorNested);
+
+            // This shouldn't throw
+            const messages = linter.verify(code, { parser: "unknown-logical-operator-nested" }, filename, true);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should strip leading line: prefix from parser error", () => {
+            linter.defineParser("line-error", testParsers.lineError);
+            const messages = linter.verify(";", { parser: "line-error" }, "filename");
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.strictEqual(messages[0].message, errorPrefix + testParsers.lineError.expectedError);
+        });
+
+        it("should not modify a parser error message without a leading line: prefix", () => {
+            linter.defineParser("no-line-error", testParsers.noLineError);
+            const messages = linter.verify(";", { parser: "no-line-error" }, "filename");
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].severity, 2);
+            assert.strictEqual(messages[0].message, errorPrefix + testParsers.noLineError.expectedError);
+        });
+
+        describe("if a parser provides 'visitorKeys'", () => {
+            let types = [];
+            let sourceCode;
+            let scopeManager;
+
+            beforeEach(() => {
+                types = [];
+                linter.defineRule("collect-node-types", () => ({
+                    "*"(node) {
+                        types.push(node.type);
+                    }
+                }));
+                linter.defineRule("save-scope-manager", context => {
+                    scopeManager = context.getSourceCode().scopeManager;
+
+                    return {};
+                });
+                linter.defineParser("enhanced-parser2", testParsers.enhancedParser2);
+                linter.verify("@foo class A {}", {
+                    parser: "enhanced-parser2",
+                    rules: {
+                        "collect-node-types": "error",
+                        "save-scope-manager": "error"
+                    }
+                });
+
+                sourceCode = linter.getSourceCode();
+            });
+
+            it("Traverser should use the visitorKeys (so 'types' includes 'Decorator')", () => {
+                assert.deepStrictEqual(
+                    types,
+                    ["Program", "ClassDeclaration", "Decorator", "Identifier", "Identifier", "ClassBody"]
+                );
+            });
+
+            it("eslint-scope should use the visitorKeys (so 'childVisitorKeys.ClassDeclaration' includes 'experimentalDecorators')", () => {
+                assert.deepStrictEqual(
+                    scopeManager.__options.childVisitorKeys.ClassDeclaration, // eslint-disable-line no-underscore-dangle
+                    ["experimentalDecorators", "id", "superClass", "body"]
+                );
+            });
+
+            it("should use the same visitorKeys if the source code object is reused", () => {
+                const types2 = [];
+
+                linter.defineRule("collect-node-types", () => ({
+                    "*"(node) {
+                        types2.push(node.type);
+                    }
+                }));
+                linter.verify(sourceCode, {
+                    rules: {
+                        "collect-node-types": "error"
+                    }
+                });
+
+                assert.deepStrictEqual(
+                    types2,
+                    ["Program", "ClassDeclaration", "Decorator", "Identifier", "Identifier", "ClassBody"]
+                );
+            });
+        });
+
+        describe("if a parser provides 'scope'", () => {
+            let scope = null;
+            let sourceCode = null;
+
+            beforeEach(() => {
+                linter.defineParser("enhanced-parser3", testParsers.enhancedParser3);
+                linter.defineRule("save-scope1", context => ({
+                    Program() {
+                        scope = context.getScope();
+                    }
+                }));
+                linter.verify("@foo class A {}", { parser: "enhanced-parser3", rules: { "save-scope1": 2 } });
+
+                sourceCode = linter.getSourceCode();
+            });
+
+            it("should use the scope (so the global scope has the reference of '@foo')", () => {
+                assert.strictEqual(scope.references.length, 1);
+                assert.deepStrictEqual(
+                    scope.references[0].identifier.name,
+                    "foo"
+                );
+            });
+
+            it("should use the same scope if the source code object is reused", () => {
+                let scope2 = null;
+
+                linter.defineRule("save-scope2", context => ({
+                    Program() {
+                        scope2 = context.getScope();
+                    }
+                }));
+                linter.verify(sourceCode, { rules: { "save-scope2": 2 } }, "test.js");
+
+                assert(scope2 !== null);
+                assert(scope2 === scope);
+            });
+        });
+
+        it("should not pass any default parserOptions to the parser", () => {
+            linter.defineParser("throws-with-options", testParsers.throwsWithOptions);
+            const messages = linter.verify(";", { parser: "throws-with-options" }, "filename");
+
+            assert.strictEqual(messages.length, 0);
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/node-event-generator.js b/eslint/tests/lib/linter/node-event-generator.js
new file mode 100644
index 0000000..8d12cbb
--- /dev/null
+++ b/eslint/tests/lib/linter/node-event-generator.js
@@ -0,0 +1,322 @@
+/**
+ * @fileoverview Tests for NodeEventGenerator.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert"),
+    sinon = require("sinon"),
+    espree = require("espree"),
+    Traverser = require("../../../lib/shared/traverser"),
+    EventGeneratorTester = require("../../../tools/internal-testers/event-generator-tester"),
+    createEmitter = require("../../../lib/linter/safe-emitter"),
+    NodeEventGenerator = require("../../../lib/linter/node-event-generator");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ESPREE_CONFIG = {
+    ecmaVersion: 6,
+    comment: true,
+    tokens: true,
+    range: true,
+    loc: true
+};
+
+describe("NodeEventGenerator", () => {
+    EventGeneratorTester.testEventGeneratorInterface(
+        new NodeEventGenerator(createEmitter())
+    );
+
+    describe("entering a single AST node", () => {
+        let emitter, generator;
+
+        beforeEach(() => {
+            emitter = Object.create(createEmitter(), { emit: { value: sinon.spy() } });
+
+            ["Foo", "Bar", "Foo > Bar", "Foo:exit"].forEach(selector => emitter.on(selector, () => {}));
+            generator = new NodeEventGenerator(emitter);
+        });
+
+        it("should generate events for entering AST node.", () => {
+            const dummyNode = { type: "Foo", value: 1 };
+
+            generator.enterNode(dummyNode);
+
+            assert(emitter.emit.calledOnce);
+            assert(emitter.emit.calledWith("Foo", dummyNode));
+        });
+
+        it("should generate events for exitting AST node.", () => {
+            const dummyNode = { type: "Foo", value: 1 };
+
+            generator.leaveNode(dummyNode);
+
+            assert(emitter.emit.calledOnce);
+            assert(emitter.emit.calledWith("Foo:exit", dummyNode));
+        });
+
+        it("should generate events for AST queries", () => {
+            const dummyNode = { type: "Bar", parent: { type: "Foo" } };
+
+            generator.enterNode(dummyNode);
+
+            assert(emitter.emit.calledTwice);
+            assert(emitter.emit.calledWith("Foo > Bar", dummyNode));
+        });
+    });
+
+    describe("traversing the entire AST", () => {
+
+        /**
+         * Gets a list of emitted types/selectors from the generator, in emission order
+         * @param {ASTNode} ast The AST to traverse
+         * @param {Array<string>|Set<string>} possibleQueries Selectors to detect
+         * @returns {Array[]} A list of emissions, in the order that they were emitted. Each emission is a two-element
+         * array where the first element is a string, and the second element is the emitted AST node.
+         */
+        function getEmissions(ast, possibleQueries) {
+            const emissions = [];
+            const emitter = Object.create(createEmitter(), {
+                emit: {
+                    value: (selector, node) => emissions.push([selector, node])
+                }
+            });
+
+            possibleQueries.forEach(query => emitter.on(query, () => {}));
+            const generator = new NodeEventGenerator(emitter);
+
+            Traverser.traverse(ast, {
+                enter(node, parent) {
+                    node.parent = parent;
+                    generator.enterNode(node);
+                },
+                leave(node) {
+                    generator.leaveNode(node);
+                }
+            });
+
+            return emissions;
+        }
+
+        /**
+         * Creates a test case that asserts a particular sequence of generator emissions
+         * @param {string} sourceText The source text that should be parsed and traversed
+         * @param {string[]} possibleQueries A collection of selectors that rules are listening for
+         * @param {Array[]} expectedEmissions A function that accepts the AST and returns a list of the emissions that the
+         * generator is expected to produce, in order.
+         * Each element of this list is an array where the first element is a selector (string), and the second is an AST node
+         * This should only include emissions that appear in possibleQueries.
+         * @returns {void}
+         */
+        function assertEmissions(sourceText, possibleQueries, expectedEmissions) {
+            it(possibleQueries.join("; "), () => {
+                const ast = espree.parse(sourceText, ESPREE_CONFIG);
+                const emissions = getEmissions(ast, possibleQueries)
+                    .filter(emission => possibleQueries.indexOf(emission[0]) !== -1);
+
+                assert.deepStrictEqual(emissions, expectedEmissions(ast));
+            });
+        }
+
+        assertEmissions(
+            "foo + bar;",
+            ["Program", "Program:exit", "ExpressionStatement", "ExpressionStatement:exit", "BinaryExpression", "BinaryExpression:exit", "Identifier", "Identifier:exit"],
+            ast => [
+                ["Program", ast], // entering program
+                ["ExpressionStatement", ast.body[0]], // entering 'foo + bar;'
+                ["BinaryExpression", ast.body[0].expression], // entering 'foo + bar'
+                ["Identifier", ast.body[0].expression.left], // entering 'foo'
+                ["Identifier:exit", ast.body[0].expression.left], // exiting 'foo'
+                ["Identifier", ast.body[0].expression.right], // entering 'bar'
+                ["Identifier:exit", ast.body[0].expression.right], // exiting 'bar'
+                ["BinaryExpression:exit", ast.body[0].expression], // exiting 'foo + bar'
+                ["ExpressionStatement:exit", ast.body[0]], // exiting 'foo + bar;'
+                ["Program:exit", ast] // exiting program
+            ]
+        );
+
+        assertEmissions(
+            "foo + 5",
+            [
+                "BinaryExpression > Identifier",
+                "BinaryExpression",
+                "BinaryExpression Literal:exit",
+                "BinaryExpression > Identifier:exit",
+                "BinaryExpression:exit"
+            ],
+            ast => [
+                ["BinaryExpression", ast.body[0].expression], // foo + 5
+                ["BinaryExpression > Identifier", ast.body[0].expression.left], // foo
+                ["BinaryExpression > Identifier:exit", ast.body[0].expression.left], // exiting foo
+                ["BinaryExpression Literal:exit", ast.body[0].expression.right], // exiting 5
+                ["BinaryExpression:exit", ast.body[0].expression] // exiting foo + 5
+            ]
+        );
+
+        assertEmissions(
+            "foo + 5",
+            ["BinaryExpression > *[name='foo']"],
+            ast => [["BinaryExpression > *[name='foo']", ast.body[0].expression.left]] // entering foo
+        );
+
+        assertEmissions(
+            "foo",
+            ["*"],
+            ast => [
+                ["*", ast], // Program
+                ["*", ast.body[0]], // ExpressionStatement
+                ["*", ast.body[0].expression] // Identifier
+            ]
+        );
+
+        assertEmissions(
+            "foo",
+            ["*:not(ExpressionStatement)"],
+            ast => [
+                ["*:not(ExpressionStatement)", ast], // Program
+                ["*:not(ExpressionStatement)", ast.body[0].expression] // Identifier
+            ]
+        );
+
+        assertEmissions(
+            "foo()",
+            ["CallExpression[callee.name='foo']"],
+            ast => [["CallExpression[callee.name='foo']", ast.body[0].expression]] // foo()
+        );
+
+        assertEmissions(
+            "foo()",
+            ["CallExpression[callee.name='bar']"],
+            () => [] // (nothing emitted)
+        );
+
+        assertEmissions(
+            "foo + bar + baz",
+            [":not(*)"],
+            () => [] // (nothing emitted)
+        );
+
+        assertEmissions(
+            "foo + bar + baz",
+            [":matches(Identifier[name='foo'], Identifier[name='bar'], Identifier[name='baz'])"],
+            ast => [
+                [":matches(Identifier[name='foo'], Identifier[name='bar'], Identifier[name='baz'])", ast.body[0].expression.left.left], // foo
+                [":matches(Identifier[name='foo'], Identifier[name='bar'], Identifier[name='baz'])", ast.body[0].expression.left.right], // bar
+                [":matches(Identifier[name='foo'], Identifier[name='bar'], Identifier[name='baz'])", ast.body[0].expression.right] // baz
+            ]
+        );
+
+        assertEmissions(
+            "foo + 5 + 6",
+            ["Identifier, Literal[value=5]"],
+            ast => [
+                ["Identifier, Literal[value=5]", ast.body[0].expression.left.left], // foo
+                ["Identifier, Literal[value=5]", ast.body[0].expression.left.right] // 5
+            ]
+        );
+
+        assertEmissions(
+            "[foo, 5, foo]",
+            ["Identifier + Literal"],
+            ast => [["Identifier + Literal", ast.body[0].expression.elements[1]]] // 5
+        );
+
+        assertEmissions(
+            "[foo, {}, 5]",
+            ["Identifier + Literal", "Identifier ~ Literal"],
+            ast => [["Identifier ~ Literal", ast.body[0].expression.elements[2]]] // 5
+        );
+
+        assertEmissions(
+            "foo; bar + baz; qux()",
+            [":expression", ":statement"],
+            ast => [
+                [":statement", ast.body[0]],
+                [":expression", ast.body[0].expression],
+                [":statement", ast.body[1]],
+                [":expression", ast.body[1].expression],
+                [":expression", ast.body[1].expression.left],
+                [":expression", ast.body[1].expression.right],
+                [":statement", ast.body[2]],
+                [":expression", ast.body[2].expression],
+                [":expression", ast.body[2].expression.callee]
+            ]
+        );
+
+        assertEmissions(
+            "foo;",
+            [
+                "*",
+                ":not(*)",
+                "Identifier",
+                "ExpressionStatement > *",
+                "ExpressionStatement > Identifier",
+                "ExpressionStatement > [name='foo']",
+                "Identifier, ReturnStatement",
+                "FooStatement",
+                "[name = 'foo']",
+                "[name='foo']",
+                "[name ='foo']",
+                "Identifier[name='foo']",
+                "[name='foo'][name.length=3]",
+                ":not(Program, ExpressionStatement)",
+                ":not(Program, Identifier) > [name.length=3]"
+            ],
+            ast => [
+                ["*", ast], // Program
+                ["*", ast.body[0]], // ExpressionStatement
+
+                // selectors for the 'foo' identifier, in order of increasing specificity
+                ["*", ast.body[0].expression], // 0 identifiers, 0 pseudoclasses
+                ["ExpressionStatement > *", ast.body[0].expression], // 0 pseudoclasses, 1 identifier
+                ["Identifier", ast.body[0].expression], // 0 pseudoclasses, 1 identifier
+                [":not(Program, ExpressionStatement)", ast.body[0].expression], // 0 pseudoclasses, 2 identifiers
+                ["ExpressionStatement > Identifier", ast.body[0].expression], // 0 pseudoclasses, 2 identifiers
+                ["Identifier, ReturnStatement", ast.body[0].expression], // 0 pseudoclasses, 2 identifiers
+                ["[name = 'foo']", ast.body[0].expression], // 1 pseudoclass, 0 identifiers
+                ["[name ='foo']", ast.body[0].expression], // 1 pseudoclass, 0 identifiers
+                ["[name='foo']", ast.body[0].expression], // 1 pseudoclass, 0 identifiers
+                ["ExpressionStatement > [name='foo']", ast.body[0].expression], // 1 attribute, 1 identifier
+                ["Identifier[name='foo']", ast.body[0].expression], // 1 attribute, 1 identifier
+                [":not(Program, Identifier) > [name.length=3]", ast.body[0].expression], // 1 attribute, 2 identifiers
+                ["[name='foo'][name.length=3]", ast.body[0].expression] // 2 attributes, 0 identifiers
+            ]
+        );
+
+        assertEmissions(
+            "foo(); bar; baz;",
+            ["CallExpression, [name='bar']"],
+            ast => [
+                ["CallExpression, [name='bar']", ast.body[0].expression],
+                ["CallExpression, [name='bar']", ast.body[1].expression]
+            ]
+        );
+
+        assertEmissions(
+            "foo; bar;",
+            ["[name.length=3]:exit"],
+            ast => [
+                ["[name.length=3]:exit", ast.body[0].expression],
+                ["[name.length=3]:exit", ast.body[1].expression]
+            ]
+        );
+    });
+
+    describe("parsing an invalid selector", () => {
+        it("throws a useful error", () => {
+            const emitter = createEmitter();
+
+            emitter.on("Foo >", () => {});
+            assert.throws(
+                () => new NodeEventGenerator(emitter),
+                /Syntax error in selector "Foo >" at position 5: Expected " ", "!", .*/u
+            );
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/report-translator.js b/eslint/tests/lib/linter/report-translator.js
new file mode 100644
index 0000000..a79400c
--- /dev/null
+++ b/eslint/tests/lib/linter/report-translator.js
@@ -0,0 +1,814 @@
+/**
+ * @fileoverview Tests for createReportTranslator
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert;
+const { SourceCode } = require("../../../lib/source-code");
+const espree = require("espree");
+const createReportTranslator = require("../../../lib/linter/report-translator");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("createReportTranslator", () => {
+
+    /**
+     * Creates a SourceCode instance out of JavaScript text
+     * @param {string} text Source text
+     * @returns {SourceCode} A SourceCode instance for that text
+     */
+    function createSourceCode(text) {
+        return new SourceCode(
+            text,
+            espree.parse(
+                text.replace(/^\uFEFF/u, ""),
+                {
+                    loc: true,
+                    range: true,
+                    raw: true,
+                    tokens: true,
+                    comment: true
+                }
+            )
+        );
+    }
+
+    let node, location, message, translateReport, suggestion1, suggestion2;
+
+    beforeEach(() => {
+        const sourceCode = createSourceCode("foo\nbar");
+
+        node = sourceCode.ast.body[0];
+        location = sourceCode.ast.body[1].loc.start;
+        message = "foo";
+        suggestion1 = "First suggestion";
+        suggestion2 = "Second suggestion {{interpolated}}";
+        translateReport = createReportTranslator({
+            ruleId: "foo-rule",
+            severity: 2,
+            sourceCode,
+            messageIds: {
+                testMessage: message,
+                suggestion1,
+                suggestion2
+            }
+        });
+    });
+
+    describe("old-style call with location", () => {
+        it("should extract the location correctly", () => {
+            assert.deepStrictEqual(
+                translateReport(node, location, message, {}),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement"
+                }
+            );
+        });
+    });
+
+    describe("old-style call without location", () => {
+        it("should use the start location and end location of the node", () => {
+            assert.deepStrictEqual(
+                translateReport(node, message, {}),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4,
+                    nodeType: "ExpressionStatement"
+                }
+            );
+        });
+    });
+
+    describe("new-style call with all options", () => {
+        it("should include the new-style options in the report", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                fix: () => ({ range: [1, 2], text: "foo" }),
+                suggest: [{
+                    desc: "suggestion 1",
+                    fix: () => ({ range: [2, 3], text: "s1" })
+                }, {
+                    desc: "suggestion 2",
+                    fix: () => ({ range: [3, 4], text: "s2" })
+                }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 2],
+                        text: "foo"
+                    },
+                    suggestions: [{
+                        desc: "suggestion 1",
+                        fix: { range: [2, 3], text: "s1" }
+                    }, {
+                        desc: "suggestion 2",
+                        fix: { range: [3, 4], text: "s2" }
+                    }]
+                }
+            );
+        });
+
+        it("should translate the messageId into a message", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                messageId: "testMessage",
+                fix: () => ({ range: [1, 2], text: "foo" })
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    messageId: "testMessage",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 2],
+                        text: "foo"
+                    }
+                }
+            );
+        });
+
+        it("should throw when both messageId and message are provided", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                messageId: "testMessage",
+                message: "bar",
+                fix: () => ({ range: [1, 2], text: "foo" })
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                "context.report() called with a message and a messageId. Please only pass one."
+            );
+        });
+
+        it("should throw when an invalid messageId is provided", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                messageId: "thisIsNotASpecifiedMessageId",
+                fix: () => ({ range: [1, 2], text: "foo" })
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                /^context\.report\(\) called with a messageId of '[^']+' which is not present in the 'messages' config:/u
+            );
+        });
+
+        it("should throw when no message is provided", () => {
+            const reportDescriptor = { node };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                "Missing `message` property in report() call; add a message that describes the linting problem."
+            );
+        });
+
+        it("should support messageIds for suggestions and output resulting descriptions", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    messageId: "suggestion1",
+                    fix: () => ({ range: [2, 3], text: "s1" })
+                }, {
+                    messageId: "suggestion2",
+                    data: { interpolated: "'interpolated value'" },
+                    fix: () => ({ range: [3, 4], text: "s2" })
+                }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    suggestions: [{
+                        messageId: "suggestion1",
+                        desc: "First suggestion",
+                        fix: { range: [2, 3], text: "s1" }
+                    }, {
+                        messageId: "suggestion2",
+                        data: { interpolated: "'interpolated value'" },
+                        desc: "Second suggestion 'interpolated value'",
+                        fix: { range: [3, 4], text: "s2" }
+                    }]
+                }
+            );
+        });
+
+        it("should throw when a suggestion defines both a desc and messageId", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    desc: "The description",
+                    messageId: "suggestion1",
+                    fix: () => ({ range: [2, 3], text: "s1" })
+                }]
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                "context.report() called with a suggest option that defines both a 'messageId' and an 'desc'. Please only pass one."
+            );
+        });
+
+        it("should throw when a suggestion uses an invalid messageId", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    messageId: "noMatchingMessage",
+                    fix: () => ({ range: [2, 3], text: "s1" })
+                }]
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                /^context\.report\(\) called with a suggest option with a messageId '[^']+' which is not present in the 'messages' config:/u
+            );
+        });
+
+        it("should throw when a suggestion does not provide either a desc or messageId", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    fix: () => ({ range: [2, 3], text: "s1" })
+                }]
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                "context.report() called with a suggest option that doesn't have either a `desc` or `messageId`"
+            );
+        });
+
+        it("should throw when a suggestion does not provide a fix function", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    desc: "The description",
+                    fix: false
+                }]
+            };
+
+            assert.throws(
+                () => translateReport(reportDescriptor),
+                TypeError,
+                /^context\.report\(\) called with a suggest option without a fix function. See:/u
+            );
+        });
+    });
+
+    describe("combining autofixes", () => {
+        it("should merge fixes to one if 'fix' function returns an array of fixes.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                fix: () => [{ range: [1, 2], text: "foo" }, { range: [4, 5], text: "bar" }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 5],
+                        text: "fooo\nbar"
+                    }
+                }
+            );
+        });
+
+        it("should merge fixes to one if 'fix' function returns an iterator of fixes.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                *fix() {
+                    yield { range: [1, 2], text: "foo" };
+                    yield { range: [4, 5], text: "bar" };
+                }
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 5],
+                        text: "fooo\nbar"
+                    }
+                }
+            );
+        });
+
+        it("should pass through fixes if only one is present", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                fix: () => [{ range: [1, 2], text: "foo" }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 2],
+                        text: "foo"
+                    }
+                }
+            );
+        });
+
+        it("should handle inserting BOM correctly.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                fix: () => [{ range: [0, 3], text: "\uFEFFfoo" }, { range: [4, 5], text: "x" }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [0, 5],
+                        text: "\uFEFFfoo\nx"
+                    }
+                }
+            );
+        });
+
+
+        it("should handle removing BOM correctly.", () => {
+            const sourceCode = createSourceCode("\uFEFFfoo\nbar");
+
+            node = sourceCode.ast.body[0];
+
+            const reportDescriptor = {
+                node,
+                message,
+                fix: () => [{ range: [-1, 3], text: "foo" }, { range: [4, 5], text: "x" }]
+            };
+
+            assert.deepStrictEqual(
+                createReportTranslator({ ruleId: "foo-rule", severity: 1, sourceCode })(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 1,
+                    message: "foo",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [-1, 5],
+                        text: "foo\nx"
+                    }
+                }
+            );
+        });
+
+        it("should throw an assertion error if ranges are overlapped.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                fix: () => [{ range: [0, 3], text: "\uFEFFfoo" }, { range: [2, 5], text: "x" }]
+            };
+
+            assert.throws(
+                translateReport.bind(null, reportDescriptor),
+                "Fix objects must not be overlapped in a report."
+            );
+        });
+
+        it("should include a fix passed as the last argument when location is passed", () => {
+            assert.deepStrictEqual(
+                translateReport(
+                    node,
+                    { line: 42, column: 23 },
+                    "my message {{1}}{{0}}",
+                    ["!", "testing"],
+                    () => ({ range: [1, 1], text: "" })
+                ),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "my message testing!",
+                    line: 42,
+                    column: 24,
+                    nodeType: "ExpressionStatement",
+                    fix: {
+                        range: [1, 1],
+                        text: ""
+                    }
+                }
+            );
+        });
+    });
+
+    describe("suggestions", () => {
+        it("should support multiple suggestions.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    desc: "A first suggestion for the issue",
+                    fix: () => [{ range: [1, 2], text: "foo" }]
+                }, {
+                    desc: "A different suggestion for the issue",
+                    fix: () => [{ range: [1, 3], text: "foobar" }]
+                }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    suggestions: [{
+                        desc: "A first suggestion for the issue",
+                        fix: { range: [1, 2], text: "foo" }
+                    }, {
+                        desc: "A different suggestion for the issue",
+                        fix: { range: [1, 3], text: "foobar" }
+                    }]
+                }
+            );
+        });
+
+        it("should merge suggestion fixes to one if 'fix' function returns an array of fixes.", () => {
+            const reportDescriptor = {
+                node,
+                loc: location,
+                message,
+                suggest: [{
+                    desc: "A suggestion for the issue",
+                    fix: () => [{ range: [1, 2], text: "foo" }, { range: [4, 5], text: "bar" }]
+                }]
+            };
+
+            assert.deepStrictEqual(
+                translateReport(reportDescriptor),
+                {
+                    ruleId: "foo-rule",
+                    severity: 2,
+                    message: "foo",
+                    line: 2,
+                    column: 1,
+                    nodeType: "ExpressionStatement",
+                    suggestions: [{
+                        desc: "A suggestion for the issue",
+                        fix: {
+                            range: [1, 5],
+                            text: "fooo\nbar"
+                        }
+                    }]
+                }
+            );
+        });
+    });
+
+    describe("message interpolation", () => {
+        it("should correctly parse a message when being passed all options in an old-style report", () => {
+            assert.deepStrictEqual(
+                translateReport(node, node.loc.end, "hello {{dynamic}}", { dynamic: node.type }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello ExpressionStatement",
+                    nodeType: "ExpressionStatement",
+                    line: 1,
+                    column: 4
+                }
+            );
+        });
+
+        it("should correctly parse a message when being passed all options in a new-style report", () => {
+            assert.deepStrictEqual(
+                translateReport({ node, loc: node.loc.end, message: "hello {{dynamic}}", data: { dynamic: node.type } }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello ExpressionStatement",
+                    nodeType: "ExpressionStatement",
+                    line: 1,
+                    column: 4
+                }
+            );
+        });
+
+        it("should correctly parse a message with object keys as numbers", () => {
+            assert.strictEqual(
+                translateReport(node, "my message {{name}}{{0}}", { 0: "!", name: "testing" }).message,
+                "my message testing!"
+            );
+        });
+
+        it("should correctly parse a message with array", () => {
+            assert.strictEqual(
+                translateReport(node, "my message {{1}}{{0}}", ["!", "testing"]).message,
+                "my message testing!"
+            );
+        });
+
+        it("should allow template parameter with inner whitespace", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{parameter name}}", { "parameter name": "yay!" }).message,
+                "message yay!"
+            );
+        });
+
+        it("should allow template parameter with non-identifier characters", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{parameter-name}}", { "parameter-name": "yay!" }).message,
+                "message yay!"
+            );
+        });
+
+        it("should allow template parameter wrapped in braces", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{{param}}}", { param: "yay!" }).message,
+                "message {yay!}"
+            );
+        });
+
+        it("should ignore template parameter with no specified value", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{parameter}}", {}).message,
+                "message {{parameter}}"
+            );
+        });
+
+        it("should handle leading whitespace in template parameter", () => {
+            assert.strictEqual(
+                translateReport({ node, message: "message {{ parameter}}", data: { parameter: "yay!" } }).message,
+                "message yay!"
+            );
+        });
+
+        it("should handle trailing whitespace in template parameter", () => {
+            assert.strictEqual(
+                translateReport({ node, message: "message {{parameter }}", data: { parameter: "yay!" } }).message,
+                "message yay!"
+            );
+        });
+
+        it("should still allow inner whitespace as well as leading/trailing", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{ parameter name }}", { "parameter name": "yay!" }).message,
+                "message yay!"
+            );
+        });
+
+        it("should still allow non-identifier characters as well as leading/trailing whitespace", () => {
+            assert.strictEqual(
+                translateReport(node, "message {{ parameter-name }}", { "parameter-name": "yay!" }).message,
+                "message yay!"
+            );
+        });
+    });
+
+    describe("location inference", () => {
+        it("should use the provided location when given in an old-style call", () => {
+            assert.deepStrictEqual(
+                translateReport(node, { line: 42, column: 13 }, "hello world"),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: "ExpressionStatement",
+                    line: 42,
+                    column: 14
+                }
+            );
+        });
+
+        it("should use the provided location when given in an new-style call", () => {
+            assert.deepStrictEqual(
+                translateReport({ node, loc: { line: 42, column: 13 }, message: "hello world" }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: "ExpressionStatement",
+                    line: 42,
+                    column: 14
+                }
+            );
+        });
+
+        it("should extract the start and end locations from a node if no location is provided", () => {
+            assert.deepStrictEqual(
+                translateReport(node, "hello world"),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: "ExpressionStatement",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4
+                }
+            );
+        });
+
+        it("should have 'endLine' and 'endColumn' when 'loc' property has 'end' property.", () => {
+            assert.deepStrictEqual(
+                translateReport({ loc: node.loc, message: "hello world" }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: null,
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4
+                }
+            );
+        });
+
+        it("should not have 'endLine' and 'endColumn' when 'loc' property does not have 'end' property.", () => {
+            assert.deepStrictEqual(
+                translateReport({ loc: node.loc.start, message: "hello world" }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: null,
+                    line: 1,
+                    column: 1
+                }
+            );
+        });
+
+        it("should infer an 'endLine' and 'endColumn' property when using the object-based context.report API", () => {
+            assert.deepStrictEqual(
+                translateReport({ node, message: "hello world" }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: "ExpressionStatement",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4
+                }
+            );
+        });
+    });
+
+    describe("converting old-style calls", () => {
+        it("should include a fix passed as the last argument when location is not passed", () => {
+            assert.deepStrictEqual(
+                translateReport(node, "my message {{1}}{{0}}", ["!", "testing"], () => ({ range: [1, 1], text: "" })),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "my message testing!",
+                    nodeType: "ExpressionStatement",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 4,
+                    fix: { range: [1, 1], text: "" }
+                }
+            );
+        });
+    });
+
+    describe("validation", () => {
+
+        it("should throw an error if node is not an object", () => {
+            assert.throws(
+                () => translateReport("not a node", "hello world"),
+                "Node must be an object"
+            );
+        });
+
+
+        it("should not throw an error if location is provided and node is not in an old-style call", () => {
+            assert.deepStrictEqual(
+                translateReport(null, { line: 1, column: 1 }, "hello world"),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: null,
+                    line: 1,
+                    column: 2
+                }
+            );
+        });
+
+        it("should not throw an error if location is provided and node is not in a new-style call", () => {
+            assert.deepStrictEqual(
+                translateReport({ loc: { line: 1, column: 1 }, message: "hello world" }),
+                {
+                    severity: 2,
+                    ruleId: "foo-rule",
+                    message: "hello world",
+                    nodeType: null,
+                    line: 1,
+                    column: 2
+                }
+            );
+        });
+
+        it("should throw an error if neither node nor location is provided", () => {
+            assert.throws(
+                () => translateReport(null, "hello world"),
+                "Node must be provided when reporting error if location is not provided"
+            );
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/rule-fixer.js b/eslint/tests/lib/linter/rule-fixer.js
new file mode 100644
index 0000000..a70e735
--- /dev/null
+++ b/eslint/tests/lib/linter/rule-fixer.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Tests for rule fixer.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    ruleFixer = require("../../../lib/linter/rule-fixer");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("RuleFixer", () => {
+
+    describe("insertTextBefore", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.insertTextBefore({ range: [0, 1] }, "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [0, 0],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+    describe("insertTextBeforeRange", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.insertTextBeforeRange([0, 1], "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [0, 0],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+    describe("insertTextAfter", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.insertTextAfter({ range: [0, 1] }, "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [1, 1],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+    describe("insertTextAfterRange", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.insertTextAfterRange([0, 1], "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [1, 1],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+    describe("removeAfter", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.remove({ range: [0, 1] });
+
+            assert.deepStrictEqual(result, {
+                range: [0, 1],
+                text: ""
+            });
+
+        });
+
+    });
+
+    describe("removeAfterRange", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.removeRange([0, 1]);
+
+            assert.deepStrictEqual(result, {
+                range: [0, 1],
+                text: ""
+            });
+
+        });
+
+    });
+
+
+    describe("replaceText", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.replaceText({ range: [0, 1] }, "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [0, 1],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+    describe("replaceTextRange", () => {
+
+        it("should return an object with the correct information when called", () => {
+
+            const result = ruleFixer.replaceTextRange([0, 1], "Hi");
+
+            assert.deepStrictEqual(result, {
+                range: [0, 1],
+                text: "Hi"
+            });
+
+        });
+
+    });
+
+});
diff --git a/eslint/tests/lib/linter/rules.js b/eslint/tests/lib/linter/rules.js
new file mode 100644
index 0000000..31d6764
--- /dev/null
+++ b/eslint/tests/lib/linter/rules.js
@@ -0,0 +1,97 @@
+/**
+ * @fileoverview Tests for rules.
+ * @author Patrick Brosset
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    Rules = require("../../../lib/linter/rules"),
+    { Linter } = require("../../../lib/linter");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("rules", () => {
+    let rules = null;
+
+    beforeEach(() => {
+        rules = new Rules();
+    });
+
+    describe("when a rule has been defined", () => {
+        it("should be able to retrieve the rule", () => {
+            const ruleId = "michaelficarra";
+
+            rules.define(ruleId, {});
+            assert.ok(rules.get(ruleId));
+        });
+
+        it("should return the rule as an object with a create() method if the rule was defined as a function", () => {
+
+            /**
+             * A rule that does nothing
+             * @returns {void}
+             */
+            function rule() {}
+            rule.schema = [];
+            rules.define("foo", rule);
+            assert.deepStrictEqual(rules.get("foo"), { create: rule, schema: [] });
+        });
+
+        it("should return the rule as-is if it was defined as an object with a create() method", () => {
+            const rule = { create() {} };
+
+            rules.define("foo", rule);
+            assert.strictEqual(rules.get("foo"), rule);
+        });
+    });
+
+
+    describe("when a rule is not found", () => {
+        it("should report a linting error if the rule is unknown", () => {
+
+            const linter = new Linter();
+
+            const problems = linter.verify("foo", { rules: { "test-rule": "error" } });
+
+            assert.lengthOf(problems, 1);
+            assert.strictEqual(problems[0].message, "Definition for rule 'test-rule' was not found.");
+            assert.strictEqual(problems[0].line, 1);
+            assert.strictEqual(problems[0].column, 1);
+            assert.strictEqual(problems[0].endLine, 1);
+            assert.strictEqual(problems[0].endColumn, 2);
+        });
+
+
+        it("should report a linting error that lists replacements if a rule is known to have been replaced", () => {
+            const linter = new Linter();
+            const problems = linter.verify("foo", { rules: { "no-arrow-condition": "error" } });
+
+            assert.lengthOf(problems, 1);
+            assert.strictEqual(
+                problems[0].message,
+                "Rule 'no-arrow-condition' was removed and replaced by: no-confusing-arrow, no-constant-condition"
+            );
+            assert.strictEqual(problems[0].line, 1);
+            assert.strictEqual(problems[0].column, 1);
+            assert.strictEqual(problems[0].endLine, 1);
+            assert.strictEqual(problems[0].endColumn, 2);
+        });
+    });
+
+
+    describe("when loading all rules", () => {
+        it("should iterate all rules", () => {
+            const allRules = new Map(rules);
+
+            assert.isAbove(allRules.size, 230);
+            assert.isObject(allRules.get("no-alert"));
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/safe-emitter.js b/eslint/tests/lib/linter/safe-emitter.js
new file mode 100644
index 0000000..e76e1a0
--- /dev/null
+++ b/eslint/tests/lib/linter/safe-emitter.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Tests for safe-emitter
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const createEmitter = require("../../../lib/linter/safe-emitter");
+const assert = require("chai").assert;
+
+describe("safe-emitter", () => {
+    describe("emit() and on()", () => {
+        it("allows listeners to be registered calls them when emitted", () => {
+            const emitter = createEmitter();
+            const colors = [];
+
+            emitter.on("foo", () => colors.push("red"));
+            emitter.on("foo", () => colors.push("blue"));
+            emitter.on("bar", () => colors.push("green"));
+
+            emitter.emit("foo");
+            assert.deepStrictEqual(colors, ["red", "blue"]);
+
+            emitter.on("bar", color => colors.push(color));
+            emitter.emit("bar", "yellow");
+
+            assert.deepStrictEqual(colors, ["red", "blue", "green", "yellow"]);
+        });
+
+        it("calls listeners with no `this` value", () => {
+            const emitter = createEmitter();
+            let called = false;
+
+            emitter.on("foo", function() {
+                assert.strictEqual(this, void 0); // eslint-disable-line no-invalid-this
+                called = true;
+            });
+
+            emitter.emit("foo");
+            assert(called);
+        });
+    });
+});
diff --git a/eslint/tests/lib/linter/source-code-fixer.js b/eslint/tests/lib/linter/source-code-fixer.js
new file mode 100644
index 0000000..15df35c
--- /dev/null
+++ b/eslint/tests/lib/linter/source-code-fixer.js
@@ -0,0 +1,642 @@
+/**
+ * @fileoverview Tests for SourceCodeFixer.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    sinon = require("sinon"),
+    SourceCodeFixer = require("../../../lib/linter/source-code-fixer");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const TEST_CODE = "var answer = 6 * 7;";
+const INSERT_AT_END = {
+        message: "End",
+        fix: {
+            range: [TEST_CODE.length, TEST_CODE.length],
+            text: "// end"
+        }
+    },
+    INSERT_AT_START = {
+        message: "Start",
+        fix: {
+            range: [0, 0],
+            text: "// start\n"
+        }
+    },
+    INSERT_IN_MIDDLE = {
+        message: "Multiply",
+        fix: {
+            range: [13, 13],
+            text: "5 *"
+        }
+    },
+    REPLACE_ID = {
+        message: "foo",
+        fix: {
+            range: [4, 10],
+            text: "foo"
+        }
+    },
+    REPLACE_VAR = {
+        message: "let",
+        fix: {
+            range: [0, 3],
+            text: "let"
+        }
+    },
+    REPLACE_NUM = {
+        message: "5",
+        fix: {
+            range: [13, 14],
+            text: "5"
+        }
+    },
+    REMOVE_START = {
+        message: "removestart",
+        fix: {
+            range: [0, 4],
+            text: ""
+        }
+    },
+    REMOVE_MIDDLE = {
+        message: "removemiddle",
+        fix: {
+            range: [5, 10],
+            text: ""
+        }
+    },
+    REMOVE_END = {
+        message: "removeend",
+        fix: {
+            range: [14, 18],
+            text: ""
+        }
+    },
+    NO_FIX = {
+        message: "nofix"
+    },
+    INSERT_BOM = {
+        message: "insert-bom",
+        fix: {
+            range: [0, 0],
+            text: "\uFEFF"
+        }
+    },
+    INSERT_BOM_WITH_TEXT = {
+        message: "insert-bom",
+        fix: {
+            range: [0, 0],
+            text: "\uFEFF// start\n"
+        }
+    },
+    REMOVE_BOM = {
+        message: "remove-bom",
+        fix: {
+            range: [-1, 0],
+            text: ""
+        }
+    },
+    REPLACE_BOM_WITH_TEXT = {
+        message: "remove-bom",
+        fix: {
+            range: [-1, 0],
+            text: "// start\n"
+        }
+    },
+    NO_FIX1 = {
+        message: "nofix1",
+        line: 1,
+        column: 3
+    },
+    NO_FIX2 = {
+        message: "nofix2",
+        line: 1,
+        column: 7
+    },
+    REVERSED_RANGE = {
+        message: "reversed range",
+        fix: {
+            range: [3, 0],
+            text: " "
+        }
+    };
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("SourceCodeFixer", () => {
+
+    describe("constructor", () => {
+
+        it("Should not be able to add anything to this", () => {
+            const result = new SourceCodeFixer();
+
+            assert.throws(() => {
+                result.test = 1;
+            });
+        });
+    });
+
+    describe("applyFixes() with no BOM", () => {
+        describe("shouldFix parameter", () => {
+            it("Should not perform any fixes if 'shouldFix' is false", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_END], false);
+
+                assert.isFalse(result.fixed);
+                assert.strictEqual(result.output, TEST_CODE);
+            });
+
+            it("Should perform fixes if 'shouldFix' is not provided", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_END]);
+
+                assert.isTrue(result.fixed);
+            });
+
+            it("should call a function provided as 'shouldFix' for each message", () => {
+                const shouldFixSpy = sinon.spy();
+
+                SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_IN_MIDDLE, INSERT_AT_START, INSERT_AT_END], shouldFixSpy);
+                assert.isTrue(shouldFixSpy.calledThrice);
+            });
+
+            it("should provide a message object as an argument to 'shouldFix'", () => {
+                const shouldFixSpy = sinon.spy();
+
+                SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START], shouldFixSpy);
+                assert.strictEqual(shouldFixSpy.firstCall.args[0], INSERT_AT_START);
+            });
+
+            it("should not perform fixes if 'shouldFix' function returns false", () => {
+                const shouldFixSpy = sinon.spy(() => false);
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START], shouldFixSpy);
+
+                assert.isFalse(result.fixed);
+            });
+
+            it("should return original text as output if 'shouldFix' function prevents all fixes", () => {
+                const shouldFixSpy = sinon.spy(() => false);
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START], shouldFixSpy);
+
+                assert.strictEqual(result.output, TEST_CODE);
+            });
+
+            it("should only apply fixes for which the 'shouldFix' function returns true", () => {
+                const shouldFixSpy = sinon.spy(problem => problem.message === "foo");
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START, REPLACE_ID], shouldFixSpy);
+
+                assert.strictEqual(result.output, "var foo = 6 * 7;");
+            });
+
+            it("is called without access to internal eslint state", () => {
+                const shouldFixSpy = sinon.spy();
+
+                SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START], shouldFixSpy);
+
+                assert.isUndefined(shouldFixSpy.thisValues[0]);
+            });
+        });
+
+        describe("Text Insertion", () => {
+
+            it("should insert text at the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_END]);
+
+                assert.strictEqual(result.output, TEST_CODE + INSERT_AT_END.fix.text);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text at the beginning of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_START]);
+
+                assert.strictEqual(result.output, INSERT_AT_START.fix.text + TEST_CODE);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_IN_MIDDLE]);
+
+                assert.strictEqual(result.output, TEST_CODE.replace("6 *", `${INSERT_IN_MIDDLE.fix.text}6 *`));
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text at the beginning, middle, and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_IN_MIDDLE, INSERT_AT_START, INSERT_AT_END]);
+
+                assert.strictEqual(result.output, INSERT_AT_START.fix.text + TEST_CODE.replace("6 *", `${INSERT_IN_MIDDLE.fix.text}6 *`) + INSERT_AT_END.fix.text);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+
+            it("should ignore reversed ranges", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REVERSED_RANGE]);
+
+                assert.strictEqual(result.output, TEST_CODE);
+            });
+
+        });
+
+
+        describe("Text Replacement", () => {
+
+            it("should replace text at the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_VAR]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace("var", "let"));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text at the beginning of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_ID]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace("answer", "foo"));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_NUM]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace("6", "5"));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text at the beginning and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_ID, REPLACE_VAR, REPLACE_NUM]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, "let foo = 5 * 7;");
+                assert.isTrue(result.fixed);
+            });
+
+        });
+
+        describe("Text Removal", () => {
+
+            it("should remove text at the start of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_START]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace("var ", ""));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_MIDDLE]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace("answer", "a"));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text towards the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_END]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, TEST_CODE.replace(" * 7", ""));
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text at the beginning, middle, and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_END, REMOVE_START, REMOVE_MIDDLE]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, "a = 6;");
+                assert.isTrue(result.fixed);
+            });
+        });
+
+        describe("Combination", () => {
+
+            it("should replace text at the beginning, remove text in the middle, and insert text at the end", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_AT_END, REMOVE_END, REPLACE_VAR]);
+
+                assert.strictEqual(result.output, "let answer = 6;// end");
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should only apply one fix when ranges overlap", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_MIDDLE, REPLACE_ID]);
+
+                assert.strictEqual(result.output, TEST_CODE.replace("answer", "foo"));
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "removemiddle");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should apply one fix when the end of one range is the same as the start of a previous range overlap", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_START, REPLACE_ID]);
+
+                assert.strictEqual(result.output, TEST_CODE.replace("var ", ""));
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "foo");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should only apply one fix when ranges overlap and one message has no fix", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_MIDDLE, REPLACE_ID, NO_FIX]);
+
+                assert.strictEqual(result.output, TEST_CODE.replace("answer", "foo"));
+                assert.strictEqual(result.messages.length, 2);
+                assert.strictEqual(result.messages[0].message, "nofix");
+                assert.strictEqual(result.messages[1].message, "removemiddle");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should apply the same fix when ranges overlap regardless of order", () => {
+                const result1 = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_MIDDLE, REPLACE_ID]);
+                const result2 = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_ID, REMOVE_MIDDLE]);
+
+                assert.strictEqual(result1.output, result2.output);
+            });
+        });
+
+        describe("No Fixes", () => {
+
+            it("should only apply one fix when ranges overlap and one message has no fix", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [NO_FIX]);
+
+                assert.strictEqual(result.output, TEST_CODE);
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "nofix");
+                assert.isFalse(result.fixed);
+            });
+
+            it("should sort the no fix messages correctly", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_ID, NO_FIX2, NO_FIX1]);
+
+                assert.strictEqual(result.output, TEST_CODE.replace("answer", "foo"));
+                assert.strictEqual(result.messages.length, 2);
+                assert.strictEqual(result.messages[0].message, "nofix1");
+                assert.strictEqual(result.messages[1].message, "nofix2");
+                assert.isTrue(result.fixed);
+            });
+
+        });
+
+        describe("BOM manipulations", () => {
+
+            it("should insert BOM with an insertion of '\uFEFF' at 0", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_BOM]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert BOM with an insertion of '\uFEFFfoobar' at 0", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [INSERT_BOM_WITH_TEXT]);
+
+                assert.strictEqual(result.output, `\uFEFF// start\n${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should remove BOM with a negative range", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REMOVE_BOM]);
+
+                assert.strictEqual(result.output, TEST_CODE);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should replace BOM with a negative range and 'foobar'", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE, [REPLACE_BOM_WITH_TEXT]);
+
+                assert.strictEqual(result.output, `// start\n${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+        });
+
+    });
+
+    /*
+     * This section is almost same as "with no BOM".
+     * Just `result.output` has BOM.
+     */
+    describe("applyFixes() with BOM", () => {
+
+        const TEST_CODE_WITH_BOM = `\uFEFF${TEST_CODE}`;
+
+        describe("Text Insertion", () => {
+
+            it("should insert text at the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_AT_END]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE}${INSERT_AT_END.fix.text}`);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text at the beginning of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_AT_START]);
+
+                assert.strictEqual(result.output, `\uFEFF${INSERT_AT_START.fix.text}${TEST_CODE}`);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_IN_MIDDLE]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("6 *", `${INSERT_IN_MIDDLE.fix.text}6 *`)}`);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert text at the beginning, middle, and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_IN_MIDDLE, INSERT_AT_START, INSERT_AT_END]);
+                const insertInMiddle = TEST_CODE.replace("6 *", `${INSERT_IN_MIDDLE.fix.text}6 *`);
+
+                assert.strictEqual(result.output, `\uFEFF${INSERT_AT_START.fix.text}${insertInMiddle}${INSERT_AT_END.fix.text}`);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should ignore reversed ranges", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REVERSED_RANGE]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE}`);
+            });
+
+        });
+
+        describe("Text Replacement", () => {
+
+            it("should replace text at the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_VAR]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("var", "let")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text at the beginning of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_ID]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("answer", "foo")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_NUM]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("6", "5")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should replace text at the beginning and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_ID, REPLACE_VAR, REPLACE_NUM]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, "\uFEFFlet foo = 5 * 7;");
+                assert.isTrue(result.fixed);
+            });
+
+        });
+
+        describe("Text Removal", () => {
+
+            it("should remove text at the start of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_START]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("var ", "")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text in the middle of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_MIDDLE]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("answer", "a")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text towards the end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_END]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace(" * 7", "")}`);
+                assert.isTrue(result.fixed);
+            });
+
+            it("should remove text at the beginning, middle, and end of the code", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_END, REMOVE_START, REMOVE_MIDDLE]);
+
+                assert.strictEqual(result.messages.length, 0);
+                assert.strictEqual(result.output, "\uFEFFa = 6;");
+                assert.isTrue(result.fixed);
+            });
+        });
+
+        describe("Combination", () => {
+
+            it("should replace text at the beginning, remove text in the middle, and insert text at the end", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_AT_END, REMOVE_END, REPLACE_VAR]);
+
+                assert.strictEqual(result.output, "\uFEFFlet answer = 6;// end");
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should only apply one fix when ranges overlap", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_MIDDLE, REPLACE_ID]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("answer", "foo")}`);
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "removemiddle");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should apply one fix when the end of one range is the same as the start of a previous range overlap", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_START, REPLACE_ID]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("var ", "")}`);
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "foo");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should only apply one fix when ranges overlap and one message has no fix", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_MIDDLE, REPLACE_ID, NO_FIX]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE.replace("answer", "foo")}`);
+                assert.strictEqual(result.messages.length, 2);
+                assert.strictEqual(result.messages[0].message, "nofix");
+                assert.strictEqual(result.messages[1].message, "removemiddle");
+                assert.isTrue(result.fixed);
+            });
+
+            it("should apply the same fix when ranges overlap regardless of order", () => {
+                const result1 = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_MIDDLE, REPLACE_ID]);
+                const result2 = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_ID, REMOVE_MIDDLE]);
+
+                assert.strictEqual(result1.output, result2.output);
+            });
+
+        });
+
+        describe("No Fixes", () => {
+
+            it("should only apply one fix when ranges overlap and one message has no fix", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [NO_FIX]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE}`);
+                assert.strictEqual(result.messages.length, 1);
+                assert.strictEqual(result.messages[0].message, "nofix");
+                assert.isFalse(result.fixed);
+            });
+
+        });
+
+        describe("BOM manipulations", () => {
+
+            it("should insert BOM with an insertion of '\uFEFF' at 0", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_BOM]);
+
+                assert.strictEqual(result.output, `\uFEFF${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should insert BOM with an insertion of '\uFEFFfoobar' at 0", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [INSERT_BOM_WITH_TEXT]);
+
+                assert.strictEqual(result.output, `\uFEFF// start\n${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should remove BOM with a negative range", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REMOVE_BOM]);
+
+                assert.strictEqual(result.output, TEST_CODE);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+            it("should replace BOM with a negative range and 'foobar'", () => {
+                const result = SourceCodeFixer.applyFixes(TEST_CODE_WITH_BOM, [REPLACE_BOM_WITH_TEXT]);
+
+                assert.strictEqual(result.output, `// start\n${TEST_CODE}`);
+                assert.isTrue(result.fixed);
+                assert.strictEqual(result.messages.length, 0);
+            });
+
+        });
+
+    });
+
+});
diff --git a/eslint/tests/lib/options.js b/eslint/tests/lib/options.js
new file mode 100644
index 0000000..940804a
--- /dev/null
+++ b/eslint/tests/lib/options.js
@@ -0,0 +1,393 @@
+/**
+ * @fileoverview Tests for options.
+ * @author George Zahariev
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    options = require("../../lib/options");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+/*
+ * This is testing the interface of the options object.
+ */
+
+describe("options", () => {
+    describe("--help", () => {
+        it("should return true for .help when passed", () => {
+            const currentOptions = options.parse("--help");
+
+            assert.isTrue(currentOptions.help);
+        });
+    });
+
+    describe("-h", () => {
+        it("should return true for .help when passed", () => {
+            const currentOptions = options.parse("-h");
+
+            assert.isTrue(currentOptions.help);
+        });
+    });
+
+    describe("--config", () => {
+        it("should return a string for .config when passed a string", () => {
+            const currentOptions = options.parse("--config file");
+
+            assert.isString(currentOptions.config);
+            assert.strictEqual(currentOptions.config, "file");
+        });
+    });
+
+    describe("-c", () => {
+        it("should return a string for .config when passed a string", () => {
+            const currentOptions = options.parse("-c file");
+
+            assert.isString(currentOptions.config);
+            assert.strictEqual(currentOptions.config, "file");
+        });
+    });
+
+    describe("--ext", () => {
+        it("should return an array with one item when passed .jsx", () => {
+            const currentOptions = options.parse("--ext .jsx");
+
+            assert.isArray(currentOptions.ext);
+            assert.strictEqual(currentOptions.ext[0], ".jsx");
+        });
+
+        it("should return an array with two items when passed .js and .jsx", () => {
+            const currentOptions = options.parse("--ext .jsx --ext .js");
+
+            assert.isArray(currentOptions.ext);
+            assert.strictEqual(currentOptions.ext[0], ".jsx");
+            assert.strictEqual(currentOptions.ext[1], ".js");
+        });
+
+        it("should return an array with two items when passed .jsx,.js", () => {
+            const currentOptions = options.parse("--ext .jsx,.js");
+
+            assert.isArray(currentOptions.ext);
+            assert.strictEqual(currentOptions.ext[0], ".jsx");
+            assert.strictEqual(currentOptions.ext[1], ".js");
+        });
+
+        it("should return an array one item when not passed", () => {
+            const currentOptions = options.parse("");
+
+            assert.isArray(currentOptions.ext);
+            assert.strictEqual(currentOptions.ext[0], ".js");
+        });
+    });
+
+    describe("--rulesdir", () => {
+        it("should return a string for .rulesdir when passed a string", () => {
+            const currentOptions = options.parse("--rulesdir /morerules");
+
+            assert.isArray(currentOptions.rulesdir);
+            assert.deepStrictEqual(currentOptions.rulesdir, ["/morerules"]);
+        });
+    });
+
+    describe("--format", () => {
+        it("should return a string for .format when passed a string", () => {
+            const currentOptions = options.parse("--format compact");
+
+            assert.isString(currentOptions.format);
+            assert.strictEqual(currentOptions.format, "compact");
+        });
+
+        it("should return stylish for .format when not passed", () => {
+            const currentOptions = options.parse("");
+
+            assert.isString(currentOptions.format);
+            assert.strictEqual(currentOptions.format, "stylish");
+        });
+    });
+
+    describe("-f", () => {
+        it("should return a string for .format when passed a string", () => {
+            const currentOptions = options.parse("-f compact");
+
+            assert.isString(currentOptions.format);
+            assert.strictEqual(currentOptions.format, "compact");
+        });
+    });
+
+    describe("--version", () => {
+        it("should return true for .version when passed", () => {
+            const currentOptions = options.parse("--version");
+
+            assert.isTrue(currentOptions.version);
+        });
+    });
+
+    describe("-v", () => {
+        it("should return true for .version when passed", () => {
+            const currentOptions = options.parse("-v");
+
+            assert.isTrue(currentOptions.version);
+        });
+    });
+
+    describe("when asking for help", () => {
+        it("should return string of help text when called", () => {
+            const helpText = options.generateHelp();
+
+            assert.isString(helpText);
+        });
+    });
+
+    describe("--no-ignore", () => {
+        it("should return false for .ignore when passed", () => {
+            const currentOptions = options.parse("--no-ignore");
+
+            assert.isFalse(currentOptions.ignore);
+        });
+    });
+
+    describe("--ignore-path", () => {
+        it("should return a string for .ignorePath when passed", () => {
+            const currentOptions = options.parse("--ignore-path .gitignore");
+
+            assert.strictEqual(currentOptions.ignorePath, ".gitignore");
+        });
+    });
+
+    describe("--ignore-pattern", () => {
+        it("should return a string array for .ignorePattern when passed", () => {
+            const currentOptions = options.parse("--ignore-pattern *.js");
+
+            assert.ok(currentOptions.ignorePattern);
+            assert.strictEqual(currentOptions.ignorePattern.length, 1);
+            assert.strictEqual(currentOptions.ignorePattern[0], "*.js");
+        });
+
+        it("should return a string array for multiple values", () => {
+            const currentOptions = options.parse("--ignore-pattern *.js --ignore-pattern *.ts");
+
+            assert.ok(currentOptions.ignorePattern);
+            assert.strictEqual(currentOptions.ignorePattern.length, 2);
+            assert.strictEqual(currentOptions.ignorePattern[0], "*.js");
+            assert.strictEqual(currentOptions.ignorePattern[1], "*.ts");
+        });
+
+        it("should return a string array of properly parsed values, when those values include commas", () => {
+            const currentOptions = options.parse("--ignore-pattern *.js --ignore-pattern foo-{bar,baz}.js");
+
+            assert.ok(currentOptions.ignorePattern);
+            assert.strictEqual(currentOptions.ignorePattern.length, 2);
+            assert.strictEqual(currentOptions.ignorePattern[0], "*.js");
+            assert.strictEqual(currentOptions.ignorePattern[1], "foo-{bar,baz}.js");
+        });
+    });
+
+    describe("--color", () => {
+        it("should return true for .color when passed --color", () => {
+            const currentOptions = options.parse("--color");
+
+            assert.isTrue(currentOptions.color);
+        });
+
+        it("should return false for .color when passed --no-color", () => {
+            const currentOptions = options.parse("--no-color");
+
+            assert.isFalse(currentOptions.color);
+        });
+    });
+
+    describe("--stdin", () => {
+        it("should return true for .stdin when passed", () => {
+            const currentOptions = options.parse("--stdin");
+
+            assert.isTrue(currentOptions.stdin);
+        });
+    });
+
+    describe("--stdin-filename", () => {
+        it("should return a string for .stdinFilename when passed", () => {
+            const currentOptions = options.parse("--stdin-filename test.js");
+
+            assert.strictEqual(currentOptions.stdinFilename, "test.js");
+        });
+    });
+
+    describe("--global", () => {
+        it("should return an array for a single occurrence", () => {
+            const currentOptions = options.parse("--global foo");
+
+            assert.isArray(currentOptions.global);
+            assert.strictEqual(currentOptions.global.length, 1);
+            assert.strictEqual(currentOptions.global[0], "foo");
+        });
+
+        it("should split variable names using commas", () => {
+            const currentOptions = options.parse("--global foo,bar");
+
+            assert.isArray(currentOptions.global);
+            assert.strictEqual(currentOptions.global.length, 2);
+            assert.strictEqual(currentOptions.global[0], "foo");
+            assert.strictEqual(currentOptions.global[1], "bar");
+        });
+
+        it("should not split on colons", () => {
+            const currentOptions = options.parse("--global foo:false,bar:true");
+
+            assert.isArray(currentOptions.global);
+            assert.strictEqual(currentOptions.global.length, 2);
+            assert.strictEqual(currentOptions.global[0], "foo:false");
+            assert.strictEqual(currentOptions.global[1], "bar:true");
+        });
+
+        it("should concatenate successive occurrences", () => {
+            const currentOptions = options.parse("--global foo:true --global bar:false");
+
+            assert.isArray(currentOptions.global);
+            assert.strictEqual(currentOptions.global.length, 2);
+            assert.strictEqual(currentOptions.global[0], "foo:true");
+            assert.strictEqual(currentOptions.global[1], "bar:false");
+        });
+    });
+
+    describe("--plugin", () => {
+        it("should return an array when passed a single occurrence", () => {
+            const currentOptions = options.parse("--plugin single");
+
+            assert.isArray(currentOptions.plugin);
+            assert.strictEqual(currentOptions.plugin.length, 1);
+            assert.strictEqual(currentOptions.plugin[0], "single");
+        });
+
+        it("should return an array when passed a comma-delimited string", () => {
+            const currentOptions = options.parse("--plugin foo,bar");
+
+            assert.isArray(currentOptions.plugin);
+            assert.strictEqual(currentOptions.plugin.length, 2);
+            assert.strictEqual(currentOptions.plugin[0], "foo");
+            assert.strictEqual(currentOptions.plugin[1], "bar");
+        });
+
+        it("should return an array when passed multiple times", () => {
+            const currentOptions = options.parse("--plugin foo --plugin bar");
+
+            assert.isArray(currentOptions.plugin);
+            assert.strictEqual(currentOptions.plugin.length, 2);
+            assert.strictEqual(currentOptions.plugin[0], "foo");
+            assert.strictEqual(currentOptions.plugin[1], "bar");
+        });
+    });
+
+    describe("--quiet", () => {
+        it("should return true for .quiet when passed", () => {
+            const currentOptions = options.parse("--quiet");
+
+            assert.isTrue(currentOptions.quiet);
+        });
+    });
+
+    describe("--max-warnings", () => {
+        it("should return correct value for .maxWarnings when passed", () => {
+            const currentOptions = options.parse("--max-warnings 10");
+
+            assert.strictEqual(currentOptions.maxWarnings, 10);
+        });
+
+        it("should return -1 for .maxWarnings when not passed", () => {
+            const currentOptions = options.parse("");
+
+            assert.strictEqual(currentOptions.maxWarnings, -1);
+        });
+
+        it("should throw an error when supplied with a non-integer", () => {
+            assert.throws(() => {
+                options.parse("--max-warnings 10.2");
+            }, /Invalid value for option 'max-warnings' - expected type Int/u);
+        });
+    });
+
+    describe("--init", () => {
+        it("should return true for --init when passed", () => {
+            const currentOptions = options.parse("--init");
+
+            assert.isTrue(currentOptions.init);
+        });
+    });
+
+    describe("--fix", () => {
+        it("should return true for --fix when passed", () => {
+            const currentOptions = options.parse("--fix");
+
+            assert.isTrue(currentOptions.fix);
+        });
+    });
+
+    describe("--fix-type", () => {
+        it("should return one value with --fix-type is passed", () => {
+            const currentOptions = options.parse("--fix-type problem");
+
+            assert.strictEqual(currentOptions.fixType.length, 1);
+            assert.strictEqual(currentOptions.fixType[0], "problem");
+        });
+
+        it("should return two values when --fix-type is passed twice", () => {
+            const currentOptions = options.parse("--fix-type problem --fix-type suggestion");
+
+            assert.strictEqual(currentOptions.fixType.length, 2);
+            assert.strictEqual(currentOptions.fixType[0], "problem");
+            assert.strictEqual(currentOptions.fixType[1], "suggestion");
+        });
+
+        it("should return two values when --fix-type is passed a comma-separated value", () => {
+            const currentOptions = options.parse("--fix-type problem,suggestion");
+
+            assert.strictEqual(currentOptions.fixType.length, 2);
+            assert.strictEqual(currentOptions.fixType[0], "problem");
+            assert.strictEqual(currentOptions.fixType[1], "suggestion");
+        });
+    });
+
+    describe("--debug", () => {
+        it("should return true for --debug when passed", () => {
+            const currentOptions = options.parse("--debug");
+
+            assert.isTrue(currentOptions.debug);
+        });
+    });
+
+    describe("--inline-config", () => {
+        it("should return false when passed --no-inline-config", () => {
+            const currentOptions = options.parse("--no-inline-config");
+
+            assert.isFalse(currentOptions.inlineConfig);
+        });
+
+        it("should return true for --inline-config when empty", () => {
+            const currentOptions = options.parse("");
+
+            assert.isTrue(currentOptions.inlineConfig);
+        });
+    });
+
+    describe("--parser", () => {
+        it("should return a string for --parser when passed", () => {
+            const currentOptions = options.parse("--parser test");
+
+            assert.strictEqual(currentOptions.parser, "test");
+        });
+    });
+
+    describe("--print-config", () => {
+        it("should return file path when passed --print-config", () => {
+            const currentOptions = options.parse("--print-config file.js");
+
+            assert.strictEqual(currentOptions.printConfig, "file.js");
+        });
+    });
+});
diff --git a/eslint/tests/lib/rule-tester/no-test-runners.js b/eslint/tests/lib/rule-tester/no-test-runners.js
new file mode 100644
index 0000000..d6b26d3
--- /dev/null
+++ b/eslint/tests/lib/rule-tester/no-test-runners.js
@@ -0,0 +1,32 @@
+/**
+ * @fileoverview Tests for RuleTester without any test runner
+ * @author Weijia Wang <starkwang@126.com>
+ */
+"use strict";
+
+/* eslint-disable no-global-assign*/
+const assert = require("assert");
+const { RuleTester } = require("../../../lib/rule-tester");
+const tmpIt = it;
+const tmpDescribe = describe;
+
+it = null;
+describe = null;
+
+try {
+    const ruleTester = new RuleTester();
+
+    assert.throws(() => {
+        ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+            valid: [
+                "bar = baz;"
+            ],
+            invalid: [
+                { code: "var foo = bar;", output: "invalid output", errors: 1 }
+            ]
+        });
+    }, new assert.AssertionError({ actual: " foo = bar;", expected: "invalid output", operator: "===" }).message);
+} finally {
+    it = tmpIt;
+    describe = tmpDescribe;
+}
diff --git a/eslint/tests/lib/rule-tester/rule-tester.js b/eslint/tests/lib/rule-tester/rule-tester.js
new file mode 100644
index 0000000..65a06da
--- /dev/null
+++ b/eslint/tests/lib/rule-tester/rule-tester.js
@@ -0,0 +1,1896 @@
+/**
+ * @fileoverview Tests for ESLint Tester
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const sinon = require("sinon"),
+    EventEmitter = require("events"),
+    { RuleTester } = require("../../../lib/rule-tester"),
+    assert = require("chai").assert,
+    nodeAssert = require("assert"),
+    { noop } = require("lodash");
+
+const NODE_ASSERT_STRICT_EQUAL_OPERATOR = (() => {
+    try {
+        nodeAssert.strictEqual(1, 2);
+    } catch (err) {
+        return err.operator;
+    }
+    throw new Error("unexpected successful assertion");
+})();
+
+//------------------------------------------------------------------------------
+// Rewire Things
+//------------------------------------------------------------------------------
+
+/*
+ * So here's the situation. Because RuleTester uses it() and describe() from
+ * Mocha, any failures would show up in the output of this test file. That means
+ * when we tested that a failure is thrown, that would also count as a failure
+ * in the testing for RuleTester. In order to remove those results from the
+ * results of this file, we need to overwrite it() and describe() just in
+ * RuleTester to do nothing but run code. Effectively, it() and describe()
+ * just become regular functions inside of index.js, not at all related to Mocha.
+ * That allows the results of this file to be untainted and therefore accurate.
+ *
+ * To assert that the right arguments are passed to RuleTester.describe/it, an
+ * event emitter is used which emits the arguments.
+ */
+
+const ruleTesterTestEmitter = new EventEmitter();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("RuleTester", () => {
+
+    // Stub `describe()` and `it()` while this test suite.
+    before(() => {
+        RuleTester.describe = function(text, method) {
+            ruleTesterTestEmitter.emit("describe", text, method);
+            return method.call(this);
+        };
+        RuleTester.it = function(text, method) {
+            ruleTesterTestEmitter.emit("it", text, method);
+            return method.call(this);
+        };
+    });
+    after(() => {
+        RuleTester.describe = null;
+        RuleTester.it = null;
+    });
+
+    let ruleTester;
+
+    /**
+     * A helper function to verify Node.js core error messages.
+     * @param {string} actual The actual input
+     * @param {string} expected The expected input
+     * @returns {Function} Error callback to verify that the message is correct
+     *                     for the actual and expected input.
+     */
+    function assertErrorMatches(actual, expected) {
+        const err = new nodeAssert.AssertionError({
+            actual,
+            expected,
+            operator: NODE_ASSERT_STRICT_EQUAL_OPERATOR
+        });
+
+        return err.message;
+    }
+
+    beforeEach(() => {
+        RuleTester.resetDefaultConfig();
+        ruleTester = new RuleTester();
+    });
+
+    it("should not throw an error when everything passes", () => {
+        ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+            valid: [
+                "Eval(foo)"
+            ],
+            invalid: [
+                { code: "eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression" }] }
+            ]
+        });
+    });
+
+    it("should throw an error when valid code is invalid", () => {
+
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "eval(foo)"
+                ],
+                invalid: [
+                    { code: "eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression" }] }
+                ]
+            });
+        }, /Should have no errors but had 1/u);
+    });
+
+    it("should throw an error when valid code is invalid", () => {
+
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    { code: "eval(foo)" }
+                ],
+                invalid: [
+                    { code: "eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression" }] }
+                ]
+            });
+        }, /Should have no errors but had 1/u);
+    });
+
+    it("should throw an error if invalid code is valid", () => {
+
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "Eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression" }] }
+                ]
+            });
+        }, /Should have 1 error but had 0/u);
+    });
+
+    it("should throw an error when the error message is wrong", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+                // Only the invalid test matters here
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: [{ message: "Bad error message." }] }
+                ]
+            });
+        }, assertErrorMatches("Bad var.", "Bad error message."));
+    });
+
+    it("should throw an error when the error message regex does not match", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: [
+                    { code: "var foo = bar;", errors: [{ message: /Bad error message/u }] }
+                ]
+            });
+        }, /Expected 'Bad var.' to match \/Bad error message\//u);
+    });
+
+    it("should throw an error when the error is not a supported type", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+                // Only the invalid test matters here
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: [42] }
+                ]
+            });
+        }, /Error should be a string, object, or RegExp/u);
+    });
+
+    it("should throw an error when any of the errors is not a supported type", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+                // Only the invalid test matters here
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar; var baz = quux", errors: [{ type: "VariableDeclaration" }, null] }
+                ]
+            });
+        }, /Error should be a string, object, or RegExp/u);
+    });
+
+    it("should throw an error when the error is a string and it does not match error message", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+                // Only the invalid test matters here
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: ["Bad error message."] }
+                ]
+            });
+        }, assertErrorMatches("Bad var.", "Bad error message."));
+    });
+
+    it("should throw an error when the error is a string and it does not match error message", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+                valid: [
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: [/Bad error message/u] }
+                ]
+            });
+        }, /Expected 'Bad var.' to match \/Bad error message\//u);
+    });
+
+    it("should not throw an error when the error is a string and it matches error message", () => {
+        ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+
+            // Only the invalid test matters here
+            valid: [
+                "bar = baz;"
+            ],
+            invalid: [
+                { code: "var foo = bar;", output: " foo = bar;", errors: ["Bad var."] }
+            ]
+        });
+    });
+
+    it("should not throw an error when the error is a regex and it matches error message", () => {
+        ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+            valid: [],
+            invalid: [
+                { code: "var foo = bar;", output: " foo = bar;", errors: [/^Bad var/u] }
+            ]
+        });
+    });
+
+    it("should throw an error when the error is an object with an unknown property name", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: [{ Message: "Bad var." }] }
+                ]
+            });
+        }, /Invalid error property name 'Message'/u);
+    });
+
+    it("should throw an error when any of the errors is an object with an unknown property name", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    {
+                        code: "var foo = bar; var baz = quux",
+                        errors: [
+                            { message: "Bad var.", type: "VariableDeclaration" },
+                            { message: "Bad var.", typo: "VariableDeclaration" }
+                        ]
+                    }
+                ]
+            });
+        }, /Invalid error property name 'typo'/u);
+    });
+
+    it("should not throw an error when the error is a regex in an object and it matches error message", () => {
+        ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+            valid: [],
+            invalid: [
+                { code: "var foo = bar;", output: " foo = bar;", errors: [{ message: /^Bad var/u }] }
+            ]
+        });
+    });
+
+    it("should throw an error when the expected output doesn't match", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", output: "foo = bar", errors: [{ message: "Bad var.", type: "VariableDeclaration" }] }
+                ]
+            });
+        }, /Output is incorrect/u);
+    });
+
+    it("should use strict equality to compare output", () => {
+        const replaceProgramWith5Rule = {
+            create: context => ({
+                Program(node) {
+                    context.report({ node, message: "bad", fix: fixer => fixer.replaceText(node, "5") });
+                }
+            })
+        };
+
+        // Should not throw.
+        ruleTester.run("foo", replaceProgramWith5Rule, {
+            valid: [],
+            invalid: [
+                { code: "var foo = bar;", output: "5", errors: 1 }
+            ]
+        });
+
+        assert.throws(() => {
+            ruleTester.run("foo", replaceProgramWith5Rule, {
+                valid: [],
+                invalid: [
+                    { code: "var foo = bar;", output: 5, errors: 1 }
+                ]
+            });
+        }, /Output is incorrect/u);
+    });
+
+    it("should throw an error when the expected output doesn't match and errors is just a number", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", output: "foo = bar", errors: 1 }
+                ]
+            });
+        }, /Output is incorrect/u);
+    });
+
+    it("should not throw an error when the expected output is null and no errors produce output", () => {
+        ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+            valid: [
+                "bar = baz;"
+            ],
+            invalid: [
+                { code: "eval(x)", errors: 1, output: null },
+                { code: "eval(x); eval(y);", errors: 2, output: null }
+            ]
+        });
+    });
+
+    it("should throw an error when the expected output is null and problems produce output", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", output: null, errors: 1 }
+                ]
+            });
+        }, /Expected no autofixes to be suggested/u);
+
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    {
+                        code: "var foo = bar; var qux = boop;",
+                        output: null,
+                        errors: 2
+                    }
+                ]
+            });
+        }, /Expected no autofixes to be suggested/u);
+    });
+
+    it("should throw an error when the expected output is null and only some problems produce output", () => {
+        assert.throws(() => {
+            ruleTester.run("fixes-one-problem", require("../../fixtures/testers/rule-tester/fixes-one-problem"), {
+                valid: [],
+                invalid: [
+                    { code: "foo", output: null, errors: 2 }
+                ]
+            });
+        }, /Expected no autofixes to be suggested/u);
+    });
+
+    it("should throw an error when the expected output isn't specified and problems produce output", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", errors: 1 }
+                ]
+            });
+        }, "The rule fixed the code. Please add 'output' property.");
+    });
+
+    it("should throw an error if invalid code specifies wrong type", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression2" }] }
+                ]
+            });
+        }, /Error type should be CallExpression2, found CallExpression/u);
+    });
+
+    it("should throw an error if invalid code specifies wrong line", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "eval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression", line: 5 }] }
+                ]
+            });
+        }, /Error line should be 5/u);
+    });
+
+    it("should not skip line assertion if line is a falsy value", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "\neval(foo)", errors: [{ message: "eval sucks.", type: "CallExpression", line: 0 }] }
+                ]
+            });
+        }, /Error line should be 0/u);
+    });
+
+    it("should throw an error if invalid code specifies wrong column", () => {
+        const wrongColumn = 10,
+            expectedErrorMessage = "Error column should be 1";
+
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: ["Eval(foo)"],
+                invalid: [{
+                    code: "eval(foo)",
+                    errors: [{
+                        message: "eval sucks.",
+                        column: wrongColumn
+                    }]
+                }]
+            });
+        }, expectedErrorMessage);
+    });
+
+    it("should not skip column assertion if column is a falsy value", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: ["Eval(foo)"],
+                invalid: [{
+                    code: "var foo; eval(foo)",
+                    errors: [{ message: "eval sucks.", column: 0 }]
+                }]
+            });
+        }, /Error column should be 0/u);
+    });
+
+    it("should throw an error if invalid code specifies wrong endLine", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", output: "foo = bar", errors: [{ message: "Bad var.", type: "VariableDeclaration", endLine: 10 }] }
+                ]
+            });
+        }, "Error endLine should be 10");
+    });
+
+    it("should throw an error if invalid code specifies wrong endColumn", () => {
+        assert.throws(() => {
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "bar = baz;"
+                ],
+                invalid: [
+                    { code: "var foo = bar;", output: "foo = bar", errors: [{ message: "Bad var.", type: "VariableDeclaration", endColumn: 10 }] }
+                ]
+            });
+        }, "Error endColumn should be 10");
+    });
+
+    it("should throw an error if invalid code has the wrong number of errors", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    {
+                        code: "eval(foo)",
+                        errors: [
+                            { message: "eval sucks.", type: "CallExpression" },
+                            { message: "eval sucks.", type: "CallExpression" }
+                        ]
+                    }
+                ]
+            });
+        }, /Should have 2 errors but had 1/u);
+    });
+
+    it("should throw an error if invalid code does not have errors", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "eval(foo)" }
+                ]
+            });
+        }, /Did not specify errors for an invalid test of no-eval/u);
+    });
+
+    it("should throw an error if invalid code has the wrong explicit number of errors", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "Eval(foo)"
+                ],
+                invalid: [
+                    { code: "eval(foo)", errors: 2 }
+                ]
+            });
+        }, /Should have 2 errors but had 1/u);
+    });
+
+    it("should throw an error if there's a parsing error in a valid test", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "1eval('foo')"
+                ],
+                invalid: [
+                    { code: "eval('foo')", errors: [{}] }
+                ]
+            });
+        }, /fatal parsing error/iu);
+    });
+
+    it("should throw an error if there's a parsing error in an invalid test", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "noeval('foo')"
+                ],
+                invalid: [
+                    { code: "1eval('foo')", errors: [{}] }
+                ]
+            });
+        }, /fatal parsing error/iu);
+    });
+
+    it("should throw an error if there's a parsing error in an invalid test and errors is just a number", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    "noeval('foo')"
+                ],
+                invalid: [
+                    { code: "1eval('foo')", errors: 1 }
+                ]
+            });
+        }, /fatal parsing error/iu);
+    });
+
+    // https://github.com/eslint/eslint/issues/4779
+    it("should throw an error if there's a parsing error and output doesn't match", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [],
+                invalid: [
+                    { code: "eval(`foo`)", output: "eval(`foo`);", errors: [{}] }
+                ]
+            });
+        }, /fatal parsing error/iu);
+    });
+
+    it("should not throw an error if invalid code has at least an expected empty error object", () => {
+        ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+            valid: ["Eval(foo)"],
+            invalid: [{
+                code: "eval(foo)",
+                errors: [{}]
+            }]
+        });
+    });
+
+    it("should pass-through the globals config of valid tests to the to rule", () => {
+        ruleTester.run("no-test-global", require("../../fixtures/testers/rule-tester/no-test-global"), {
+            valid: [
+                "var test = 'foo'",
+                {
+                    code: "var test2 = 'bar'",
+                    globals: { test: true }
+                }
+            ],
+            invalid: [{ code: "bar", errors: 1 }]
+        });
+    });
+
+    it("should pass-through the globals config of invalid tests to the to rule", () => {
+        ruleTester.run("no-test-global", require("../../fixtures/testers/rule-tester/no-test-global"), {
+            valid: ["var test = 'foo'"],
+            invalid: [
+                {
+                    code: "var test = 'foo'; var foo = 'bar'",
+                    errors: 1
+                },
+                {
+                    code: "var test = 'foo'",
+                    globals: { foo: true },
+                    errors: [{ message: "Global variable foo should not be used." }]
+                }
+            ]
+        });
+    });
+
+    it("should pass-through the settings config to rules", () => {
+        ruleTester.run("no-test-settings", require("../../fixtures/testers/rule-tester/no-test-settings"), {
+            valid: [
+                {
+                    code: "var test = 'bar'", settings: { test: 1 }
+                }
+            ],
+            invalid: [
+                {
+                    code: "var test = 'bar'", settings: { "no-test": 22 }, errors: 1
+                }
+            ]
+        });
+    });
+
+    it("should pass-through the filename to the rule", () => {
+        (function() {
+            ruleTester.run("", require("../../fixtures/testers/rule-tester/no-test-filename"), {
+                valid: [
+                    {
+                        code: "var foo = 'bar'",
+                        filename: "somefile.js"
+                    }
+                ],
+                invalid: [
+                    {
+                        code: "var foo = 'bar'",
+                        errors: [
+                            { message: "Filename test was not defined." }
+                        ]
+                    }
+                ]
+            });
+        }());
+    });
+
+    it("should pass-through the options to the rule", () => {
+        ruleTester.run("no-invalid-args", require("../../fixtures/testers/rule-tester/no-invalid-args"), {
+            valid: [
+                {
+                    code: "var foo = 'bar'",
+                    options: [false]
+                }
+            ],
+            invalid: [
+                {
+                    code: "var foo = 'bar'",
+                    options: [true],
+                    errors: [{ message: "Invalid args" }]
+                }
+            ]
+        });
+    });
+
+    it("should throw an error if the options are an object", () => {
+        assert.throws(() => {
+            ruleTester.run("no-invalid-args", require("../../fixtures/testers/rule-tester/no-invalid-args"), {
+                valid: [
+                    {
+                        code: "foo",
+                        options: { ok: true }
+                    }
+                ],
+                invalid: []
+            });
+        }, /options must be an array/u);
+    });
+
+    it("should throw an error if the options are a number", () => {
+        assert.throws(() => {
+            ruleTester.run("no-invalid-args", require("../../fixtures/testers/rule-tester/no-invalid-args"), {
+                valid: [
+                    {
+                        code: "foo",
+                        options: 0
+                    }
+                ],
+                invalid: []
+            });
+        }, /options must be an array/u);
+    });
+
+    it("should pass-through the parser to the rule", () => {
+        const spy = sinon.spy(ruleTester.linter, "verify");
+
+        ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+            valid: [
+                {
+                    code: "Eval(foo)"
+                }
+            ],
+            invalid: [
+                {
+                    code: "eval(foo)",
+                    parser: require.resolve("esprima"),
+                    errors: [{}]
+                }
+            ]
+        });
+        assert.strictEqual(spy.args[1][1].parser, require.resolve("esprima"));
+    });
+
+    it("should pass-through services from parseForESLint to the rule", () => {
+        const enhancedParserPath = require.resolve("../../fixtures/parsers/enhanced-parser");
+        const disallowHiRule = {
+            create: context => ({
+                Literal(node) {
+                    const disallowed = context.parserServices.test.getMessage(); // returns "Hi!"
+
+                    if (node.value === disallowed) {
+                        context.report({ node, message: `Don't use '${disallowed}'` });
+                    }
+                }
+            })
+        };
+
+        ruleTester.run("no-hi", disallowHiRule, {
+            valid: [
+                {
+                    code: "'Hello!'",
+                    parser: enhancedParserPath
+                }
+            ],
+            invalid: [
+                {
+                    code: "'Hi!'",
+                    parser: enhancedParserPath,
+                    errors: [{ message: "Don't use 'Hi!'" }]
+                }
+            ]
+        });
+    });
+
+    it("should prevent invalid options schemas", () => {
+        assert.throws(() => {
+            ruleTester.run("no-invalid-schema", require("../../fixtures/testers/rule-tester/no-invalid-schema"), {
+                valid: [
+                    "var answer = 6 * 7;",
+                    { code: "var answer = 6 * 7;", options: [] }
+                ],
+                invalid: [
+                    { code: "var answer = 6 * 7;", options: ["bar"], errors: [{ message: "Expected nothing." }] }
+                ]
+            });
+        }, "Schema for rule no-invalid-schema is invalid:,\titems: should be object\n\titems[0].enum: should NOT have fewer than 1 items\n\titems: should match some schema in anyOf");
+
+    });
+
+    it("should prevent schema violations in options", () => {
+        assert.throws(() => {
+            ruleTester.run("no-schema-violation", require("../../fixtures/testers/rule-tester/no-schema-violation"), {
+                valid: [
+                    "var answer = 6 * 7;",
+                    { code: "var answer = 6 * 7;", options: ["foo"] }
+                ],
+                invalid: [
+                    { code: "var answer = 6 * 7;", options: ["bar"], errors: [{ message: "Expected foo." }] }
+                ]
+            });
+        }, /Value "bar" should be equal to one of the allowed values./u);
+
+    });
+
+    it("should disallow invalid defaults in rules", () => {
+        const ruleWithInvalidDefaults = {
+            meta: {
+                schema: [
+                    {
+                        oneOf: [
+                            { enum: ["foo"] },
+                            {
+                                type: "object",
+                                properties: {
+                                    foo: {
+                                        enum: ["foo", "bar"],
+                                        default: "foo"
+                                    }
+                                },
+                                additionalProperties: false
+                            }
+                        ]
+                    }
+                ]
+            },
+            create: () => ({})
+        };
+
+        assert.throws(() => {
+            ruleTester.run("invalid-defaults", ruleWithInvalidDefaults, {
+                valid: [
+                    {
+                        code: "foo",
+                        options: [{}]
+                    }
+                ],
+                invalid: []
+            });
+        }, /Schema for rule invalid-defaults is invalid: default is ignored for: data1\.foo/u);
+    });
+
+    it("throw an error when an unknown config option is included", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    { code: "Eval(foo)", foo: "bar" }
+                ],
+                invalid: []
+            });
+        }, /ESLint configuration in rule-tester is invalid./u);
+    });
+
+    it("throw an error when an invalid config value is included", () => {
+        assert.throws(() => {
+            ruleTester.run("no-eval", require("../../fixtures/testers/rule-tester/no-eval"), {
+                valid: [
+                    { code: "Eval(foo)", env: ["es6"] }
+                ],
+                invalid: []
+            });
+        }, /Property "env" is the wrong type./u);
+    });
+
+    it("should pass-through the tester config to the rule", () => {
+        ruleTester = new RuleTester({
+            globals: { test: true }
+        });
+
+        ruleTester.run("no-test-global", require("../../fixtures/testers/rule-tester/no-test-global"), {
+            valid: [
+                "var test = 'foo'",
+                "var test2 = test"
+            ],
+            invalid: [{ code: "bar", errors: 1, globals: { foo: true } }]
+        });
+    });
+
+    it("should correctly set the globals configuration", () => {
+        const config = { globals: { test: true } };
+
+        RuleTester.setDefaultConfig(config);
+        assert(
+            RuleTester.getDefaultConfig().globals.test,
+            "The default config object is incorrect"
+        );
+    });
+
+    it("should correctly reset the global configuration", () => {
+        const config = { globals: { test: true } };
+
+        RuleTester.setDefaultConfig(config);
+        RuleTester.resetDefaultConfig();
+        assert.deepStrictEqual(
+            RuleTester.getDefaultConfig(),
+            { rules: {} },
+            "The default configuration has not reset correctly"
+        );
+    });
+
+    it("should enforce the global configuration to be an object", () => {
+
+        /**
+         * Set the default config for the rules tester
+         * @param {Object} config configuration object
+         * @returns {Function} Function to be executed
+         * @private
+         */
+        function setConfig(config) {
+            return function() {
+                RuleTester.setDefaultConfig(config);
+            };
+        }
+        assert.throw(setConfig());
+        assert.throw(setConfig(1));
+        assert.throw(setConfig(3.14));
+        assert.throw(setConfig("foo"));
+        assert.throw(setConfig(null));
+        assert.throw(setConfig(true));
+    });
+
+    it("should pass-through the globals config to the tester then to the to rule", () => {
+        const config = { globals: { test: true } };
+
+        RuleTester.setDefaultConfig(config);
+        ruleTester = new RuleTester();
+
+        ruleTester.run("no-test-global", require("../../fixtures/testers/rule-tester/no-test-global"), {
+            valid: [
+                "var test = 'foo'",
+                "var test2 = test"
+            ],
+            invalid: [{ code: "bar", errors: 1, globals: { foo: true } }]
+        });
+    });
+
+    it("should throw an error if AST was modified", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast"), {
+                valid: [
+                    "var foo = 0;"
+                ],
+                invalid: []
+            });
+        }, "Rule should not modify AST.");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast"), {
+                valid: [],
+                invalid: [
+                    { code: "var bar = 0;", errors: ["error"] }
+                ]
+            });
+        }, "Rule should not modify AST.");
+    });
+
+    it("should throw an error if AST was modified (at Program)", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-first"), {
+                valid: [
+                    "var foo = 0;"
+                ],
+                invalid: []
+            });
+        }, "Rule should not modify AST.");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-first"), {
+                valid: [],
+                invalid: [
+                    { code: "var bar = 0;", errors: ["error"] }
+                ]
+            });
+        }, "Rule should not modify AST.");
+    });
+
+    it("should throw an error if AST was modified (at Program:exit)", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), {
+                valid: [
+                    "var foo = 0;"
+                ],
+                invalid: []
+            });
+        }, "Rule should not modify AST.");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), {
+                valid: [],
+                invalid: [
+                    { code: "var bar = 0;", errors: ["error"] }
+                ]
+            });
+        }, "Rule should not modify AST.");
+    });
+
+    it("should throw an error if rule uses start and end properties on nodes, tokens or comments", () => {
+        const usesStartEndRule = {
+            create(context) {
+
+                const sourceCode = context.getSourceCode();
+
+                return {
+                    CallExpression(node) {
+                        noop(node.arguments[1].start);
+                    },
+                    "BinaryExpression[operator='+']"(node) {
+                        noop(node.end);
+                    },
+                    "UnaryExpression[operator='-']"(node) {
+                        noop(sourceCode.getFirstToken(node).start);
+                    },
+                    ConditionalExpression(node) {
+                        noop(sourceCode.getFirstToken(node).end);
+                    },
+                    BlockStatement(node) {
+                        noop(sourceCode.getCommentsInside(node)[0].start);
+                    },
+                    ObjectExpression(node) {
+                        noop(sourceCode.getCommentsInside(node)[0].end);
+                    },
+                    Decorator(node) {
+                        noop(node.start);
+                    }
+                };
+            }
+        };
+
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: ["foo(a, b)"],
+                invalid: []
+            });
+        }, "Use node.range[0] instead of node.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var a = b * (c + d) / e;", errors: 1 }]
+            });
+        }, "Use node.range[1] instead of node.end");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var a = -b * c;", errors: 1 }]
+            });
+        }, "Use token.range[0] instead of token.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: ["var a = b ? c : d;"],
+                invalid: []
+            });
+        }, "Use token.range[1] instead of token.end");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: ["function f() { /* comment */ }"],
+                invalid: []
+            });
+        }, "Use token.range[0] instead of token.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var x = //\n {\n //comment\n //\n}", errors: 1 }]
+            });
+        }, "Use token.range[1] instead of token.end");
+
+        const enhancedParserPath = require.resolve("../../fixtures/parsers/enhanced-parser");
+
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [{ code: "foo(a, b)", parser: enhancedParserPath }],
+                invalid: []
+            });
+        }, "Use node.range[0] instead of node.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var a = b * (c + d) / e;", parser: enhancedParserPath, errors: 1 }]
+            });
+        }, "Use node.range[1] instead of node.end");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var a = -b * c;", parser: enhancedParserPath, errors: 1 }]
+            });
+        }, "Use token.range[0] instead of token.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [{ code: "var a = b ? c : d;", parser: enhancedParserPath }],
+                invalid: []
+            });
+        }, "Use token.range[1] instead of token.end");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [{ code: "function f() { /* comment */ }", parser: enhancedParserPath }],
+                invalid: []
+            });
+        }, "Use token.range[0] instead of token.start");
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [],
+                invalid: [{ code: "var x = //\n {\n //comment\n //\n}", parser: enhancedParserPath, errors: 1 }]
+            });
+        }, "Use token.range[1] instead of token.end");
+
+        assert.throws(() => {
+            ruleTester.run("uses-start-end", usesStartEndRule, {
+                valid: [{ code: "@foo class A {}", parser: require.resolve("../../fixtures/parsers/enhanced-parser2") }],
+                invalid: []
+            });
+        }, "Use node.range[0] instead of node.start");
+    });
+
+    it("should throw an error if no test scenarios given", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"));
+        }, "Test Scenarios for rule foo : Could not find test scenario object");
+    });
+
+    it("should throw an error if no acceptable test scenario object is given", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), []);
+        }, "Test Scenarios for rule foo is invalid:\nCould not find any valid test scenarios\nCould not find any invalid test scenarios");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), "");
+        }, "Test Scenarios for rule foo : Could not find test scenario object");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), 2);
+        }, "Test Scenarios for rule foo : Could not find test scenario object");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), {});
+        }, "Test Scenarios for rule foo is invalid:\nCould not find any valid test scenarios\nCould not find any invalid test scenarios");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), {
+                valid: []
+            });
+        }, "Test Scenarios for rule foo is invalid:\nCould not find any invalid test scenarios");
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/modify-ast-at-last"), {
+                invalid: []
+            });
+        }, "Test Scenarios for rule foo is invalid:\nCould not find any valid test scenarios");
+    });
+
+    // Nominal message/messageId use cases
+    it("should assert match if message provided in both test and result.", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMessageOnly, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ message: "something" }] }]
+            });
+        }, /Avoid using variables named/u);
+
+        ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMessageOnly, {
+            valid: [],
+            invalid: [{ code: "foo", errors: [{ message: "Avoid using variables named 'foo'." }] }]
+        });
+    });
+
+    it("should assert match between messageId if provided in both test and result.", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ messageId: "unused" }] }]
+            });
+        }, "messageId 'avoidFoo' does not match expected messageId 'unused'.");
+
+        ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+            valid: [],
+            invalid: [{ code: "foo", errors: [{ messageId: "avoidFoo" }] }]
+        });
+    });
+    it("should assert match between resulting message output if messageId and data provided in both test and result", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ messageId: "avoidFoo", data: { name: "notFoo" } }] }]
+            });
+        }, "Hydrated message \"Avoid using variables named 'notFoo'.\" does not match \"Avoid using variables named 'foo'.\"");
+    });
+
+    // messageId/message misconfiguration cases
+    it("should throw if user tests for both message and messageId", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ message: "something", messageId: "avoidFoo" }] }]
+            });
+        }, "Error should not specify both 'message' and a 'messageId'.");
+    });
+    it("should throw if user tests for messageId but the rule doesn't use the messageId meta syntax.", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMessageOnly, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ messageId: "avoidFoo" }] }]
+            });
+        }, "Error can not use 'messageId' if rule under test doesn't define 'meta.messages'");
+    });
+    it("should throw if user tests for messageId not listed in the rule's meta syntax.", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ messageId: "useFoo" }] }]
+            });
+        }, /Invalid messageId 'useFoo'/u);
+    });
+    it("should throw if data provided without messageId.", () => {
+        assert.throws(() => {
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/messageId").withMetaWithData, {
+                valid: [],
+                invalid: [{ code: "foo", errors: [{ data: "something" }] }]
+            });
+        }, "Error must specify 'messageId' if 'data' is used.");
+    });
+
+    describe("suggestions", () => {
+        it("should pass with valid suggestions (tested using desc)", () => {
+            ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                valid: [
+                    "var boo;"
+                ],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            desc: "Rename identifier 'foo' to 'bar'",
+                            output: "var bar;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+        it("should pass with suggestions on multiple lines", () => {
+            ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                valid: [],
+                invalid: [
+                    {
+                        code: "function foo() {\n  var foo = 1;\n}",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                output: "function bar() {\n  var foo = 1;\n}"
+                            }]
+                        }, {
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                output: "function foo() {\n  var bar = 1;\n}"
+                            }]
+                        }]
+                    }
+                ]
+            });
+        });
+
+        it("should pass with valid suggestions (tested using messageIds)", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            messageId: "renameFoo",
+                            output: "var bar;"
+                        }, {
+                            messageId: "renameFoo",
+                            output: "var baz;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+        it("should pass with valid suggestions (one tested using messageIds, the other using desc)", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            messageId: "renameFoo",
+                            output: "var bar;"
+                        }, {
+                            desc: "Rename identifier 'foo' to 'baz'",
+                            output: "var baz;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+        it("should pass with valid suggestions (tested using both desc and messageIds for the same suggestion)", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            desc: "Rename identifier 'foo' to 'bar'",
+                            messageId: "renameFoo",
+                            output: "var bar;"
+                        }, {
+                            desc: "Rename identifier 'foo' to 'baz'",
+                            messageId: "renameFoo",
+                            output: "var baz;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+        it("should pass with valid suggestions (tested using only desc on a rule that utilizes meta.messages)", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            desc: "Rename identifier 'foo' to 'bar'",
+                            output: "var bar;"
+                        }, {
+                            desc: "Rename identifier 'foo' to 'baz'",
+                            output: "var baz;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+        it("should pass with valid suggestions (tested using messageIds and data)", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{
+                            messageId: "renameFoo",
+                            data: { newName: "bar" },
+                            output: "var bar;"
+                        }, {
+                            messageId: "renameFoo",
+                            data: { newName: "baz" },
+                            output: "var baz;"
+                        }]
+                    }]
+                }]
+            });
+        });
+
+
+        it("should pass when tested using empty suggestion test objects if the array length is correct", () => {
+            ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                valid: [],
+                invalid: [{
+                    code: "var foo;",
+                    errors: [{
+                        suggestions: [{}, {}]
+                    }]
+                }]
+            });
+        });
+
+        it("should support explicitly expecting no suggestions", () => {
+            [void 0, null, false, []].forEach(suggestions => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/no-eval"), {
+                    valid: [],
+                    invalid: [{
+                        code: "eval('var foo');",
+                        errors: [{
+                            suggestions
+                        }]
+                    }]
+                });
+            });
+        });
+
+        it("should fail when expecting no suggestions and there are suggestions", () => {
+            [void 0, null, false, []].forEach(suggestions => {
+                assert.throws(() => {
+                    ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                        valid: [],
+                        invalid: [{
+                            code: "var foo;",
+                            errors: [{
+                                suggestions
+                            }]
+                        }]
+                    });
+                }, "Error should have no suggestions on error with message: \"Avoid using identifiers named 'foo'.\"");
+            });
+        });
+
+        it("should fail when testing for suggestions that don't exist", () => {
+            assert.throws(() => {
+                ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "this-does-not-exist"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error should have an array of suggestions. Instead received \"undefined\" on error with message: \"Bad var.\"");
+        });
+
+        it("should fail when there are a different number of suggestions", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                output: "var bar;"
+                            }, {
+                                desc: "Rename identifier 'foo' to 'baz'",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error should have 2 suggestions. Instead found 1 suggestions");
+        });
+
+        it("should throw if the suggestion description doesn't match", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "not right",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 0 : desc should be \"not right\" but got \"Rename identifier 'foo' to 'bar'\" instead.");
+        });
+
+        it("should throw if the suggestion description doesn't match (although messageIds match)", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                messageId: "renameFoo",
+                                output: "var bar;"
+                            }, {
+                                desc: "Rename id 'foo' to 'baz'",
+                                messageId: "renameFoo",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 1 : desc should be \"Rename id 'foo' to 'baz'\" but got \"Rename identifier 'foo' to 'baz'\" instead.");
+        });
+
+        it("should throw if the suggestion messageId doesn't match", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "unused",
+                                output: "var bar;"
+                            }, {
+                                messageId: "renameFoo",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 0 : messageId should be 'unused' but got 'renameFoo' instead.");
+        });
+
+        it("should throw if the suggestion messageId doesn't match (although descriptions match)", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                messageId: "renameFoo",
+                                output: "var bar;"
+                            }, {
+                                desc: "Rename identifier 'foo' to 'baz'",
+                                messageId: "avoidFoo",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 1 : messageId should be 'avoidFoo' but got 'renameFoo' instead.");
+        });
+
+        it("should throw if test specifies messageId for a rule that doesn't have meta.messages", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                output: "var bar;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 0 : Test can not use 'messageId' if rule under test doesn't define 'meta.messages'.");
+        });
+
+        it("should throw if test specifies messageId that doesn't exist in the rule's meta.messages", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                output: "var bar;"
+                            }, {
+                                messageId: "removeFoo",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 1 : Test has invalid messageId 'removeFoo', the rule under test allows only one of ['avoidFoo', 'unused', 'renameFoo'].");
+        });
+
+        it("should throw if hydrated desc doesn't match (wrong data value)", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                data: { newName: "car" },
+                                output: "var bar;"
+                            }, {
+                                messageId: "renameFoo",
+                                data: { newName: "baz" },
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 0 : Hydrated test desc \"Rename identifier 'foo' to 'car'\" does not match received desc \"Rename identifier 'foo' to 'bar'\".");
+        });
+
+        it("should throw if hydrated desc doesn't match (wrong data key)", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                data: { newName: "bar" },
+                                output: "var bar;"
+                            }, {
+                                messageId: "renameFoo",
+                                data: { name: "baz" },
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 1 : Hydrated test desc \"Rename identifier 'foo' to '{{ newName }}'\" does not match received desc \"Rename identifier 'foo' to 'baz'\".");
+        });
+
+        it("should throw if test specifies both desc and data", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                messageId: "renameFoo",
+                                data: { newName: "bar" },
+                                output: "var bar;"
+                            }, {
+                                messageId: "renameFoo",
+                                data: { newName: "baz" },
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 0 : Test should not specify both 'desc' and 'data'.");
+        });
+
+        it("should throw if test uses data but doesn't specify messageId", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                data: { newName: "bar" },
+                                output: "var bar;"
+                            }, {
+                                data: { newName: "baz" },
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Error Suggestion at index 1 : Test must specify 'messageId' if 'data' is used.");
+        });
+
+        it("should throw if the resulting suggestion output doesn't match", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                desc: "Rename identifier 'foo' to 'bar'",
+                                output: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, "Expected the applied suggestion fix to match the test suggestion output");
+        });
+
+        it("should fail when specified suggestion isn't an object", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [null]
+                        }]
+                    }]
+                });
+            }, "Test suggestion in 'suggestions' array must be an object.");
+
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [
+                                {
+                                    messageId: "renameFoo",
+                                    output: "var bar;"
+                                },
+                                "Rename identifier 'foo' to 'baz'"
+                            ]
+                        }]
+                    }]
+                });
+            }, "Test suggestion in 'suggestions' array must be an object.");
+        });
+
+        it("should fail when the suggestion is an object with an unknown property name", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-basic", require("../../fixtures/testers/rule-tester/suggestions").basic, {
+                    valid: [
+                        "var boo;"
+                    ],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                message: "Rename identifier 'foo' to 'bar'"
+                            }]
+                        }]
+                    }]
+                });
+            }, /Invalid suggestion property name 'message'/u);
+        });
+
+        it("should fail when any of the suggestions is an object with an unknown property name", () => {
+            assert.throws(() => {
+                ruleTester.run("suggestions-messageIds", require("../../fixtures/testers/rule-tester/suggestions").withMessageIds, {
+                    valid: [],
+                    invalid: [{
+                        code: "var foo;",
+                        errors: [{
+                            suggestions: [{
+                                messageId: "renameFoo",
+                                output: "var bar;"
+                            }, {
+                                messageId: "renameFoo",
+                                outpt: "var baz;"
+                            }]
+                        }]
+                    }]
+                });
+            }, /Invalid suggestion property name 'outpt'/u);
+        });
+    });
+
+    describe("naming test cases", () => {
+
+        /**
+         * Asserts that a particular value will be emitted from an EventEmitter.
+         * @param {EventEmitter} emitter The emitter that should emit a value
+         * @param {string} emitType The type of emission to listen for
+         * @param {*} expectedValue The value that should be emitted
+         * @returns {Promise} A Promise that fulfills if the value is emitted, and rejects if something else is emitted.
+         * The Promise will be indefinitely pending if no value is emitted.
+         */
+        function assertEmitted(emitter, emitType, expectedValue) {
+            return new Promise((resolve, reject) => {
+                emitter.once(emitType, emittedValue => {
+                    if (emittedValue === expectedValue) {
+                        resolve();
+                    } else {
+                        reject(new Error(`Expected ${expectedValue} to be emitted but ${emittedValue} was emitted instead.`));
+                    }
+                });
+            });
+        }
+
+        it("should use the first argument as the name of the test suite", () => {
+            const assertion = assertEmitted(ruleTesterTestEmitter, "describe", "this-is-a-rule-name");
+
+            ruleTester.run("this-is-a-rule-name", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: []
+            });
+
+            return assertion;
+        });
+
+        it("should use the test code as the name of the tests for valid code (string form)", () => {
+            const assertion = assertEmitted(ruleTesterTestEmitter, "it", "valid(code);");
+
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    "valid(code);"
+                ],
+                invalid: []
+            });
+
+            return assertion;
+        });
+
+        it("should use the test code as the name of the tests for valid code (object form)", () => {
+            const assertion = assertEmitted(ruleTesterTestEmitter, "it", "valid(code);");
+
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    {
+                        code: "valid(code);"
+                    }
+                ],
+                invalid: []
+            });
+
+            return assertion;
+        });
+
+        it("should use the test code as the name of the tests for invalid code", () => {
+            const assertion = assertEmitted(ruleTesterTestEmitter, "it", "var x = invalid(code);");
+
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: [
+                    {
+                        code: "var x = invalid(code);",
+                        output: " x = invalid(code);",
+                        errors: 1
+                    }
+                ]
+            });
+
+            return assertion;
+        });
+
+        // https://github.com/eslint/eslint/issues/8142
+        it("should use the empty string as the name of the test if the test case is an empty string", () => {
+            const assertion = assertEmitted(ruleTesterTestEmitter, "it", "");
+
+            ruleTester.run("foo", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [
+                    {
+                        code: ""
+                    }
+                ],
+                invalid: []
+            });
+
+            return assertion;
+        });
+    });
+
+    // https://github.com/eslint/eslint/issues/11615
+    it("should fail the case if autofix made a syntax error.", () => {
+        assert.throw(() => {
+            ruleTester.run(
+                "foo",
+                context => ({
+                    Identifier(node) {
+                        context.report({
+                            node,
+                            message: "make a syntax error",
+                            fix(fixer) {
+                                return fixer.replaceText(node, "one two");
+                            }
+                        });
+                    }
+                }),
+                {
+                    valid: ["one()"],
+                    invalid: []
+                }
+            );
+        }, /A fatal parsing error occurred in autofix/u);
+    });
+
+    describe("sanitize test cases", () => {
+        let originalRuleTesterIt;
+        let spyRuleTesterIt;
+
+        before(() => {
+            originalRuleTesterIt = RuleTester.it;
+            spyRuleTesterIt = sinon.spy();
+            RuleTester.it = spyRuleTesterIt;
+        });
+        after(() => {
+            RuleTester.it = originalRuleTesterIt;
+        });
+        beforeEach(() => {
+            spyRuleTesterIt.resetHistory();
+            ruleTester = new RuleTester();
+        });
+        it("should present newline when using back-tick as new line", () => {
+            const code = `
+            var foo = bar;`;
+
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: [
+                    {
+                        code,
+                        errors: [/^Bad var/u]
+                    }
+                ]
+            });
+            sinon.assert.calledWith(spyRuleTesterIt, code);
+        });
+        it("should present \\u0000 as a string", () => {
+            const code = "\u0000";
+
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: [
+                    {
+                        code,
+                        errors: [/^Bad var/u]
+                    }
+                ]
+            });
+            sinon.assert.calledWith(spyRuleTesterIt, "\\u0000");
+        });
+        it("should present the pipe character correctly", () => {
+            const code = "var foo = bar || baz;";
+
+            ruleTester.run("no-var", require("../../fixtures/testers/rule-tester/no-var"), {
+                valid: [],
+                invalid: [
+                    {
+                        code,
+                        errors: [/^Bad var/u]
+                    }
+                ]
+            });
+            sinon.assert.calledWith(spyRuleTesterIt, code);
+        });
+
+    });
+});
diff --git a/eslint/tests/lib/rules/accessor-pairs.js b/eslint/tests/lib/rules/accessor-pairs.js
new file mode 100644
index 0000000..e8f143a
--- /dev/null
+++ b/eslint/tests/lib/rules/accessor-pairs.js
@@ -0,0 +1,1740 @@
+/**
+ * @fileoverview Tests for complexity rule.
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/accessor-pairs"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("accessor-pairs", rule, {
+    valid: [
+
+        //------------------------------------------------------------------------------
+        // General
+        //------------------------------------------------------------------------------
+
+        // Does not check object patterns
+        {
+            code: "var { get: foo } = bar; ({ set: foo } = bar);",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { set } = foo; ({ get } = foo);",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        //------------------------------------------------------------------------------
+        // Object literals
+        //------------------------------------------------------------------------------
+
+        // Test default settings, this would be an error if `getWithoutSet` was set to `true`
+        "var o = { get a() {} }",
+        {
+            code: "var o = { get a() {} }",
+            options: [{}]
+        },
+
+        // No accessors
+        {
+            code: "var o = {};",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { a: 1 };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { a };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { a: get };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { a: set };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get: function(){} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { set: function(foo){} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { set };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { [get]: function() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { [set]: function(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { set(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Disabled options
+        {
+            code: "var o = { get a() {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: false }]
+        },
+        {
+            code: "var o = { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: false }]
+        },
+        {
+            code: "var o = { set a(foo) {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: false }]
+        },
+        {
+            code: "var o = { set a(foo) {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { set a(foo) {} };",
+            options: [{ setWithoutGet: false }]
+        },
+
+        // Valid pairs with identifiers
+        {
+            code: "var o = { get a() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: false }]
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { set a(foo) {}, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+
+        // Valid pairs with statically computed names
+        {
+            code: "var o = { get 'a'() {}, set 'a'(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get a() {}, set 'a'(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get ['abc']() {}, set ['abc'](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [1e2]() {}, set 100(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get abc() {}, set [`abc`](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get ['123']() {}, set 123(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Valid pairs with expressions
+        {
+            code: "var o = { get [a]() {}, set [a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [a]() {}, set [(a)](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [(a)]() {}, set [a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [a]() {}, set [ a ](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [/*comment*/a/*comment*/]() {}, set [a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [f()]() {}, set [f()](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [f(a)]() {}, set [f(a)](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [a + b]() {}, set [a + b](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get [`${a}`]() {}, set [`${a}`](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Multiple valid pairs in the same literal
+        {
+            code: "var o = { get a() {}, set a(foo) {}, get b() {}, set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get a() {}, set c(foo) {}, set a(bar) {}, get b() {}, get c() {}, set b(baz) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+
+        // Valid pairs with other elements
+        {
+            code: "var o = { get a() {}, set a(foo) {}, b: bar };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }]
+        },
+        {
+            code: "var o = { get a() {}, b, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get a() {}, ...b, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {}, ...a };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // Duplicate keys. This is the responsibility of no-dupe-keys, but this rule still checks is there the other accessor kind.
+        {
+            code: "var o = { get a() {}, get a() {}, set a(foo) {}, };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {}, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { set a(bar) {}, get a() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get a() {}, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { set a(foo) {}, set a(foo) {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { get a() {}, set a(foo) {}, a };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = { a, get a() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * This should be actually invalid by this rule!
+         * This code creates a property with the setter only, the getter will be ignored.
+         * It's treated as 3 attempts to define the same key, and the last wins.
+         * However, this edge case is not covered, it should be reported by no-dupe-keys anyway.
+         */
+        {
+            code: "var o = { get a() {}, a:1, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        //------------------------------------------------------------------------------
+        // Property descriptors
+        //------------------------------------------------------------------------------
+
+        "var o = {a: 1};\n Object.defineProperty(o, 'b', \n{set: function(value) {\n val = value; \n},\n get: function() {\n return val; \n} \n});",
+
+        // https://github.com/eslint/eslint/issues/3262
+        "var o = {set: function() {}}",
+        "Object.defineProperties(obj, {set: {value: function() {}}});",
+        "Object.create(null, {set: {value: function() {}}});",
+        { code: "var o = {get: function() {}}", options: [{ getWithoutSet: true }] },
+        { code: "var o = {[set]: function() {}}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var set = 'value'; Object.defineProperty(obj, 'foo', {[set]: function(value) {}});", parserOptions: { ecmaVersion: 6 } },
+
+        //------------------------------------------------------------------------------
+        // Classes
+        //------------------------------------------------------------------------------
+
+        // Test default settings
+        {
+            code: "class A { get a() {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Explicitly disabled option
+        {
+            code: "class A { set a(foo) {} }",
+            options: [{ enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get a() {} set b(foo) {} static get c() {} static set d(bar) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(class A { get a() {} set b(foo) {} static get c() {} static set d(bar) {} });",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Disabled accessor kind options
+        {
+            code: "class A { get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: false, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { set a(foo) {} }",
+            options: [{ setWithoutGet: false, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: false, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set a(foo) {} }",
+            options: [{ setWithoutGet: false, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { set a(foo) {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get a() {} set b(foo) {} static get c() {} static set d(bar) {} }",
+            options: [{ setWithoutGet: false, getWithoutSet: false, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // No accessors
+        {
+            code: "class A {}",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(class {})",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { constructor () {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static a() {} 'b'() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [a]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { a() {} static a() {} b() {} static c() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Valid pairs with identifiers
+        {
+            code: "class A { get a() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { set a(foo) {} get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static get a() {} static set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set a(foo) {} static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(class { set a(foo) {} get a() {} });",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Valid pairs with statically computed names
+        {
+            code: "class A { get 'a'() {} set ['a'](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { set [`a`](foo) {} get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get 'a'() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { static get 1e2() {} static set [100](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Valid pairs with expressions
+        {
+            code: "class A { get [a]() {} set [a](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { set [(f())](foo) {} get [(f())]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set [f(a)](foo) {} static get [f(a)]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Multiple valid pairs in the same class
+        {
+            code: "class A { get a() {} set b(foo) {} set a(bar) {} get b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get a() {} set a(bar) {} b() {} set c(foo) {} get c() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(class { get a() {} static set a(foo) {} set a(bar) {} static get a() {} });",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Valid pairs with other elements
+        {
+            code: "class A { get a() {} b() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { set a(foo) {} get a() {} b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { a() {} get b() {} c() {} set b(foo) {} d() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get a() {} set a(foo) {} static a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { static get a() {} static b() {} static set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { static set a(foo) {} static get a() {} a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // Duplicate keys. This is the responsibility of no-dupe-class-members, but this rule still checks if there is the other accessor kind.
+        {
+            code: "class A { get a() {} get a() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get [a]() {} set [a](foo) {} set [a](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { get a() {} set 'a'(foo) {} get [`a`]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { get a() {} set a(foo) {} a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { a() {} get a() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set a(foo) {} static set a(foo) {} static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static get a() {} static set a(foo) {} static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set a(foo) {} static get a() {} static a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * This code should be invalid by this rule because it creates a class with the setter only, while the getter is ignored.
+         * However, this edge case is not covered, it should be reported by no-dupe-class-members anyway.
+         */
+        {
+            code: "class A { get a() {} a() {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { static set a(foo) {} static a() {} static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+
+        //------------------------------------------------------------------------------
+        // Object literals
+        //------------------------------------------------------------------------------
+
+        // Test default settings
+        {
+            code: "var o = { set a(value) {} };",
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set a(value) {} };",
+            options: [{}],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property" }]
+        },
+
+        // Test that the options do not affect each other
+        {
+            code: "var o = { set a(value) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: false }],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set a(value) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get a() {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get a() {} };",
+            options: [{ getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property" }]
+        },
+
+        // Various kinds of the getter's key
+        {
+            code: "var o = { get abc() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get 'abc'() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get 123() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter '123'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get 1e2() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter '100'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get ['abc']() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get [`abc`]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get [123]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter '123'.", type: "Property" }]
+        },
+        {
+            code: "var o = { get [abc]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter.", type: "Property" }]
+        },
+        {
+            code: "var o = { get [f(abc)]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter.", type: "Property" }]
+        },
+        {
+            code: "var o = { get [a + b]() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter.", type: "Property" }]
+        },
+
+        // Various kinds of the setter's key
+        {
+            code: "var o = { set abc(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set 'abc'(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set 123(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter '123'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set 1e2(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter '100'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set ['abc'](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set [`abc`](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter 'abc'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set [123](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter '123'.", type: "Property" }]
+        },
+        {
+            code: "var o = { set [abc](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter.", type: "Property" }]
+        },
+        {
+            code: "var o = { set [f(abc)](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter.", type: "Property" }]
+        },
+        {
+            code: "var o = { set [a + b](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter.", type: "Property" }]
+        },
+
+        // Different keys
+        {
+            code: "var o = { get a() {}, set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'b'.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { set a(foo) {}, get b() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 11 },
+                { message: "Setter is not present for getter 'b'.", type: "Property", column: 26 }
+            ]
+        },
+        {
+            code: "var o = { get 1() {}, set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter '1'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'b'.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { get a() {}, set 1(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter '1'.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { get a() {}, set 'a '(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'a '.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { get ' a'() {}, set 'a'(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter ' a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 26 }
+            ]
+        },
+        {
+            code: "var o = { get ''() {}, set ' '(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter ''.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter ' '.", type: "Property", column: 24 }
+            ]
+        },
+        {
+            code: "var o = { get ''() {}, set null(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter ''.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'null'.", type: "Property", column: 24 }
+            ]
+        },
+        {
+            code: "var o = { get [`a`]() {}, set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'b'.", type: "Property", column: 27 }
+            ]
+        },
+        {
+            code: "var o = { get [a]() {}, set [b](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter.", type: "Property", column: 25 }
+            ]
+        },
+        {
+            code: "var o = { get [a]() {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 25 }
+            ]
+        },
+        {
+            code: "var o = { get a() {}, set [a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { get [a + b]() {}, set [a - b](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter.", type: "Property", column: 29 }
+            ]
+        },
+        {
+            code: "var o = { get [`${0} `]() {}, set [`${0}`](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter.", type: "Property", column: 31 }
+            ]
+        },
+
+        // Multiple invalid of same and different kinds
+        {
+            code: "var o = { get a() {}, get b() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Setter is not present for getter 'b'.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { set a(foo) {}, set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'b'.", type: "Property", column: 26 }
+            ]
+        },
+        {
+            code: "var o = { get a() {}, set b(foo) {}, set c(foo) {}, get d() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'b'.", type: "Property", column: 23 },
+                { message: "Getter is not present for setter 'c'.", type: "Property", column: 38 },
+                { message: "Setter is not present for getter 'd'.", type: "Property", column: 53 }
+            ]
+        },
+
+        // Checks per object literal
+        {
+            code: "var o1 = { get a() {} }, o2 = { set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 12 },
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 33 }
+            ]
+        },
+        {
+            code: "var o1 = { set a(foo) {} }, o2 = { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 12 },
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 36 }
+            ]
+        },
+
+        // Combinations or valid and invalid
+        {
+            code: "var o = { get a() {}, get b() {}, set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { get b() {}, get a() {}, set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 23 }]
+        },
+        {
+            code: "var o = { get b() {}, set b(foo) {}, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 38 }]
+        },
+        {
+            code: "var o = { set a(foo) {}, get b() {}, set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { get b() {}, set a(foo) {}, set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 23 }]
+        },
+        {
+            code: "var o = { get b() {}, set b(bar) {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 38 }]
+        },
+        {
+            code: "var o = { get v1() {}, set i1(foo) {}, get v2() {}, set v2(bar) {}, get i2() {}, set v1(baz) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [
+                { message: "Getter is not present for setter 'i1'.", type: "Property", column: 24 },
+                { message: "Setter is not present for getter 'i2'.", type: "Property", column: 69 }
+            ]
+        },
+
+        // In the case of duplicates which don't have the other kind, all nodes are reported
+        {
+            code: "var o = { get a() {}, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 11 },
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 23 }
+            ]
+        },
+        {
+            code: "var o = { set a(foo) {}, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 11 },
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 26 }
+            ]
+        },
+
+        // Other elements or even value property duplicates in the same literal do not affect this rule
+        {
+            code: "var o = { a, get b() {}, c };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter 'b'.", type: "Property", column: 14 }]
+        },
+        {
+            code: "var o = { a, get b() {}, c, set d(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter 'b'.", type: "Property", column: 14 },
+                { message: "Getter is not present for setter 'd'.", type: "Property", column: 29 }
+            ]
+        },
+        {
+            code: "var o = { get a() {}, a:1 };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { a, get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 14 }]
+        },
+        {
+            code: "var o = { set a(foo) {}, a:1 };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { a, set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 14 }]
+        },
+        {
+            code: "var o = { get a() {}, ...b };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { get a() {}, ...a };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ message: "Setter is not present for getter 'a'.", type: "Property", column: 11 }]
+        },
+        {
+            code: "var o = { set a(foo) {}, ...a };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ message: "Getter is not present for setter 'a'.", type: "Property", column: 11 }]
+        },
+
+        // Full location tests
+        {
+            code: "var o = { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            errors: [{
+                message: "Setter is not present for getter 'a'.",
+                type: "Property",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "var o = {\n  set [\n a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                message: "Getter is not present for setter.",
+                type: "Property",
+                line: 2,
+                column: 3,
+                endLine: 3,
+                endColumn: 4
+            }]
+        },
+
+        //------------------------------------------------------------------------------
+        // Property descriptors
+        //------------------------------------------------------------------------------
+
+        {
+            code: "var o = {d: 1};\n Object.defineProperty(o, 'c', \n{set: function(value) {\n val = value; \n} \n});",
+            errors: [{ message: "Getter is not present in property descriptor.", type: "ObjectExpression" }]
+        },
+        {
+            code: "Reflect.defineProperty(obj, 'foo', {set: function(value) {}});",
+            errors: [{ message: "Getter is not present in property descriptor.", type: "ObjectExpression" }]
+        },
+        {
+            code: "Object.defineProperties(obj, {foo: {set: function(value) {}}});",
+            errors: [{ message: "Getter is not present in property descriptor.", type: "ObjectExpression" }]
+        },
+        {
+            code: "Object.create(null, {foo: {set: function(value) {}}});",
+            errors: [{ message: "Getter is not present in property descriptor.", type: "ObjectExpression" }]
+        },
+
+        //------------------------------------------------------------------------------
+        // Classes
+        //------------------------------------------------------------------------------
+
+        // Test default settings
+        {
+            code: "class A { set a(foo) {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { get a() {} set b(foo) {} }",
+            options: [{}],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'b'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { get a() {} set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition" },
+                { message: "Getter is not present for class setter 'b'.", type: "MethodDefinition" }
+            ]
+        },
+        {
+            code: "class A { set a(value) {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static set a(value) {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { set a(value) {} };",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "(class A { static set a(value) {} });",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition" }]
+        },
+
+        // Test that the accessor kind options do not affect each other
+        {
+            code: "class A { set a(value) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: false, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { static set a(value) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "let foo = class A { get a() {} };",
+            options: [{ setWithoutGet: false, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "(class { get a() {} });",
+            options: [{ getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition" }]
+        },
+
+        // Various kinds of keys
+        {
+            code: "class A { get abc() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'abc'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { static set 'abc'(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'abc'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "(class { get 123() {} });",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter '123'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static get 1e2() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter '100'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { get ['abc']() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'abc'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { set [`abc`](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'abc'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static get [123]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter '123'.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { get [abc]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { static get [f(abc)]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter.", type: "MethodDefinition" }]
+        },
+        {
+            code: "A = class { set [a + b](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter.", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A { get ['constructor']() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'constructor'.", type: "MethodDefinition" }]
+        },
+
+        // Different keys
+        {
+            code: "class A { get a() {} set b(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'b'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "A = class { set a(foo) {} get b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Setter is not present for class getter 'b'.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "A = class { static get a() {} static set b(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for class static setter 'b'.", type: "MethodDefinition", column: 31 }
+            ]
+        },
+        {
+            code: "class A { get a() {} set b(foo) {} }",
+            options: [{ setWithoutGet: false, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 }
+            ]
+        },
+        {
+            code: "class A { get a() {} set b(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: false, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'b'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "class A { get 'a '() {} set 'a'(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a '.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 25 }
+            ]
+        },
+        {
+            code: "class A { get 'a'() {} set 1(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter '1'.", type: "MethodDefinition", column: 24 }
+            ]
+        },
+        {
+            code: "class A { get 1() {} set 2(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter '1'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter '2'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "class A { get ''() {} set null(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter ''.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'null'.", type: "MethodDefinition", column: 23 }
+            ]
+        },
+        {
+            code: "class A { get a() {} set [a](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "class A { get [a]() {} set [b](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter.", type: "MethodDefinition", column: 24 }
+            ]
+        },
+        {
+            code: "class A { get [a]() {} set [a++](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter.", type: "MethodDefinition", column: 24 }
+            ]
+        },
+        {
+            code: "class A { get [a + b]() {} set [a - b](foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter.", type: "MethodDefinition", column: 28 }
+            ]
+        },
+
+        // Prototype and static accessors with same keys
+        {
+            code: "class A { get a() {} static set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "A = class { static get a() {} set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 31 }
+            ]
+        },
+        {
+            code: "class A { set [a](foo) {} static get [a]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class static getter.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "class A { static set [a](foo) {} get [a]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class static setter.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 34 }
+            ]
+        },
+
+        // Multiple invalid of same and different kinds
+        {
+            code: "class A { get a() {} get b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class getter 'b'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "A = class { get a() {} get [b]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 24 }
+            ]
+        },
+        {
+            code: "class A { get [a]() {} get [b]() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 24 }
+            ]
+        },
+        {
+            code: "A = class { set a(foo) {} set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for class setter 'b'.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "class A { static get a() {} static get b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class static getter 'b'.", type: "MethodDefinition", column: 29 }
+            ]
+        },
+        {
+            code: "A = class { static set a(foo) {} static set b(bar) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for class static setter 'b'.", type: "MethodDefinition", column: 34 }
+            ]
+        },
+        {
+            code: "class A { static get a() {} set b(foo) {} static set c(bar) {} get d() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'b'.", type: "MethodDefinition", column: 29 },
+                { message: "Getter is not present for class static setter 'c'.", type: "MethodDefinition", column: 43 },
+                { message: "Setter is not present for class getter 'd'.", type: "MethodDefinition", column: 64 }
+            ]
+        },
+
+        // Checks per class
+        {
+            code: "class A { get a() {} } class B { set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 34 }
+            ]
+        },
+        {
+            code: "A = class { set a(foo) {} }, class { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 38 }
+            ]
+        },
+        {
+            code: "A = class { get a() {} }, { set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for setter 'a'.", type: "Property", column: 29 }
+            ]
+        },
+        {
+            code: "A = { get a() {} }, class { set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for getter 'a'.", type: "Property", column: 7 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 29 }
+            ]
+        },
+
+        // Combinations or valid and invalid
+        {
+            code: "class A { get a() {} get b() {} set b(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 }]
+        },
+        {
+            code: "A = class { get b() {} get a() {} set b(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 24 }]
+        },
+        {
+            code: "class A { set b(foo) {} get b() {} set a(bar) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 36 }]
+        },
+        {
+            code: "A = class { static get b() {} set a(foo) {} static set b(bar) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 31 }]
+        },
+        {
+            code: "class A { static set a(foo) {} get b() {} set b(bar) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition", column: 11 }]
+        },
+        {
+            code: "class A { get b() {} static get a() {} set b(bar) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 22 }]
+        },
+        {
+            code: "class A { static set b(foo) {} static get a() {} static get b() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 32 }]
+        },
+        {
+            code: "class A { get [v1](){} static set i1(foo){} static set v2(bar){} get [i2](){} static get i3(){} set [v1](baz){} static get v2(){} set i4(quux){} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class static setter 'i1'.", type: "MethodDefinition", column: 24 },
+                { message: "Setter is not present for class getter.", type: "MethodDefinition", column: 66 },
+                { message: "Setter is not present for class static getter 'i3'.", type: "MethodDefinition", column: 79 },
+                { message: "Getter is not present for class setter 'i4'.", type: "MethodDefinition", column: 131 }
+            ]
+        },
+
+        // In the case of duplicates which don't have the other kind, all nodes are reported
+        {
+            code: "class A { get a() {} get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 22 }
+            ]
+        },
+        {
+            code: "A = class { set a(foo) {} set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "A = class { static get a() {} static get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 13 },
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 31 }
+            ]
+        },
+        {
+            code: "class A { set a(foo) {} set a(foo) {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 11 },
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 25 }
+            ]
+        },
+
+        // Other elements or even method duplicates in the same class do not affect this rule
+        {
+            code: "class A { a() {} get b() {} c() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'b'.", type: "MethodDefinition", column: 18 }
+            ]
+        },
+        {
+            code: "A = class { a() {} get b() {} c() {} set d(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'b'.", type: "MethodDefinition", column: 20 },
+                { message: "Getter is not present for class setter 'd'.", type: "MethodDefinition", column: 38 }
+            ]
+        },
+        {
+            code: "class A { static a() {} get b() {} static c() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'b'.", type: "MethodDefinition", column: 25 }
+            ]
+        },
+        {
+            code: "class A { a() {} get a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class getter 'a'.", type: "MethodDefinition", column: 18 }
+            ]
+        },
+        {
+            code: "A = class { static a() {} set a(foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class setter 'a'.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "class A { a() {} static get b() {} c() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'b'.", type: "MethodDefinition", column: 18 }
+            ]
+        },
+        {
+            code: "A = class { static a() {} static set b(foo) {} static c() {} d() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class static setter 'b'.", type: "MethodDefinition", column: 27 }
+            ]
+        },
+        {
+            code: "class A { a() {} static get a() {} a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Setter is not present for class static getter 'a'.", type: "MethodDefinition", column: 18 }
+            ]
+        },
+        {
+            code: "class A { static set a(foo) {} static a() {} }",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "Getter is not present for class static setter 'a'.", type: "MethodDefinition", column: 11 }
+            ]
+        },
+
+        // Full location tests
+        {
+            code: "class A { get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                message: "Setter is not present for class getter 'a'.",
+                type: "MethodDefinition",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "A = class {\n  set [\n a](foo) {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                message: "Getter is not present for class setter.",
+                type: "MethodDefinition",
+                line: 2,
+                column: 3,
+                endLine: 3,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "class A { static get a() {} };",
+            options: [{ setWithoutGet: true, getWithoutSet: true, enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                message: "Setter is not present for class static getter 'a'.",
+                type: "MethodDefinition",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 23
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/array-bracket-newline.js b/eslint/tests/lib/rules/array-bracket-newline.js
new file mode 100644
index 0000000..d20c365
--- /dev/null
+++ b/eslint/tests/lib/rules/array-bracket-newline.js
@@ -0,0 +1,1585 @@
+/**
+ * @fileoverview Tests for array-bracket-newline rule.
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/array-bracket-newline");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("array-bracket-newline", rule, {
+
+    valid: [
+
+        /*
+         * ArrayExpression
+         * "default" { multiline: true }
+         */
+        "var foo = [];",
+        "var foo = [1];",
+        "var foo = /* any comment */[1];",
+        "var foo = /* any comment */\n[1];",
+        "var foo = [1, 2];",
+        "var foo = [ // any comment\n1, 2\n];",
+        "var foo = [\n// any comment\n1, 2\n];",
+        "var foo = [\n1, 2\n// any comment\n];",
+        "var foo = [\n1,\n2\n];",
+        "var foo = [\nfunction foo() {\nreturn dosomething();\n}\n];",
+        "var foo = [/* \nany comment\n */];",
+        "var foo = [/* single line multiline comment for no real reason */];",
+
+        // "always"
+        { code: "var foo = [\n];", options: ["always"] },
+        { code: "var foo = [\n1\n];", options: ["always"] },
+        { code: "var foo = [\n// any\n1\n];", options: ["always"] },
+        { code: "var foo = [\n/* any */\n1\n];", options: ["always"] },
+        { code: "var foo = [\n1, 2\n];", options: ["always"] },
+        { code: "var foo = [\n1, 2 // any comment\n];", options: ["always"] },
+        { code: "var foo = [\n1, 2 /* any comment */\n];", options: ["always"] },
+        { code: "var foo = [\n1,\n2\n];", options: ["always"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];", options: ["always"] },
+
+        // "never"
+        { code: "var foo = [];", options: ["never"] },
+        { code: "var foo = [1];", options: ["never"] },
+        { code: "var foo = [/* any comment */1];", options: ["never"] },
+        { code: "var foo = [1, 2];", options: ["never"] },
+        { code: "var foo = [1,\n2];", options: ["never"] },
+        { code: "var foo = [1,\n/* any comment */\n2];", options: ["never"] },
+        { code: "var foo = [function foo() {\ndosomething();\n}];", options: ["never"] },
+
+        // "consistent"
+        { code: "var a = []", options: ["consistent"] },
+        { code: "var a = [\n]", options: ["consistent"] },
+        { code: "var a = [1]", options: ["consistent"] },
+        { code: "var a = [\n1\n]", options: ["consistent"] },
+        { code: "var a = [//\n1\n]", options: ["consistent"] },
+        { code: "var a = [/**/\n1\n]", options: ["consistent"] },
+        { code: "var a = [/*\n*/1\n]", options: ["consistent"] },
+        { code: "var a = [//\n]", options: ["consistent"] },
+
+        // { multiline: true }
+        { code: "var foo = [];", options: [{ multiline: true }] },
+        { code: "var foo = [1];", options: [{ multiline: true }] },
+        { code: "var foo = /* any comment */[1];", options: [{ multiline: true }] },
+        { code: "var foo = /* any comment */\n[1];", options: [{ multiline: true }] },
+        { code: "var foo = [1, 2];", options: [{ multiline: true }] },
+        { code: "var foo = [ // any comment\n1, 2\n];", options: [{ multiline: true }] },
+        { code: "var foo = [\n// any comment\n1, 2\n];", options: [{ multiline: true }] },
+        { code: "var foo = [\n1, 2\n// any comment\n];", options: [{ multiline: true }] },
+        { code: "var foo = [\n1,\n2\n];", options: [{ multiline: true }] },
+        { code: "var foo = [\nfunction foo() {\nreturn dosomething();\n}\n];", options: [{ multiline: true }] },
+        { code: "var foo = [/* \nany comment\n */];", options: [{ multiline: true }] },
+
+        // { multiline: false }
+        { code: "var foo = [];", options: [{ multiline: false }] },
+        { code: "var foo = [1];", options: [{ multiline: false }] },
+        { code: "var foo = [1]/* any comment*/;", options: [{ multiline: false }] },
+        { code: "var foo = [1]\n/* any comment*/\n;", options: [{ multiline: false }] },
+        { code: "var foo = [1, 2];", options: [{ multiline: false }] },
+        { code: "var foo = [1,\n2];", options: [{ multiline: false }] },
+        { code: "var foo = [function foo() {\nreturn dosomething();\n}];", options: [{ multiline: false }] },
+
+        // { minItems: 2 }
+        { code: "var foo = [];", options: [{ minItems: 2 }] },
+        { code: "var foo = [1];", options: [{ minItems: 2 }] },
+        { code: "var foo = [\n1, 2\n];", options: [{ minItems: 2 }] },
+        { code: "var foo = [\n1,\n2\n];", options: [{ minItems: 2 }] },
+        { code: "var foo = [function foo() {\ndosomething();\n}];", options: [{ minItems: 2 }] },
+
+        // { minItems: 0 }
+        { code: "var foo = [\n];", options: [{ minItems: 0 }] },
+        { code: "var foo = [\n1\n];", options: [{ minItems: 0 }] },
+        { code: "var foo = [\n1, 2\n];", options: [{ minItems: 0 }] },
+        { code: "var foo = [\n1,\n2\n];", options: [{ minItems: 0 }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];", options: [{ minItems: 0 }] },
+
+        // { minItems: null }
+        { code: "var foo = [];", options: [{ minItems: null }] },
+        { code: "var foo = [1];", options: [{ minItems: null }] },
+        { code: "var foo = [1, 2];", options: [{ minItems: null }] },
+        { code: "var foo = [1,\n2];", options: [{ minItems: null }] },
+        { code: "var foo = [function foo() {\ndosomething();\n}];", options: [{ minItems: null }] },
+
+        // { multiline: true, minItems: null }
+        { code: "var foo = [];", options: [{ multiline: true, minItems: null }] },
+        { code: "var foo = [1];", options: [{ multiline: true, minItems: null }] },
+        { code: "var foo = [1, 2];", options: [{ multiline: true, minItems: null }] },
+        { code: "var foo = [\n1,\n2\n];", options: [{ multiline: true, minItems: null }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];", options: [{ multiline: true, minItems: null }] },
+
+        // { multiline: true, minItems: 2 }
+        { code: "var a = [];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var b = [1];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var b = [ // any comment\n1\n];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var b = [ /* any comment */ 1];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var c = [\n1, 2\n];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var c = [\n/* any comment */1, 2\n];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var c = [\n1, /* any comment */ 2\n];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var d = [\n1,\n2\n];", options: [{ multiline: true, minItems: 2 }] },
+        { code: "var e = [\nfunction foo() {\ndosomething();\n}\n];", options: [{ multiline: true, minItems: 2 }] },
+
+        /*
+         * ArrayPattern
+         * default { multiline: true }
+         */
+        { code: "var [] = foo", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var /* any comment */[a] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var /* any comment */\n[a] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, b] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ // any comment\na, b\n] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\n// any comment\na, b\n] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na, b\n// any comment\n] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na,\nb\n] = foo;", parserOptions: { ecmaVersion: 6 } },
+
+        // "always"
+        { code: "var [\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\n// any\na\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\n/* any */\na\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na, b\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na, b // any comment\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na, b /* any comment */\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na,\nb\n] = foo;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        // "consistent"
+        { code: "var [] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [//\na\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [/**/\na\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [/*\n*/a\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [//\n] = foo", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+
+        // { multiline: true }
+        { code: "var [] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var /* any comment */[a] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var /* any comment */\n[a] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, b] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ // any comment\na, b\n] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\n// any comment\na, b\n] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na, b\n// any comment\n] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\na,\nb\n] = foo;", options: [{ multiline: true }], parserOptions: { ecmaVersion: 6 } }
+
+    ],
+
+    invalid: [
+
+        /*
+         * ArrayExpression
+         * "always"
+         */
+        {
+            code: "var foo = [];",
+            output: "var foo = [\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = [1];",
+            output: "var foo = [\n1\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = [ // any comment\n1];",
+            output: "var foo = [ // any comment\n1\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [ /* any comment */\n1];",
+            output: "var foo = [ /* any comment */\n1\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [\n1, 2\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2 // any comment\n];",
+            output: "var foo = [\n1, 2 // any comment\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2 /* any comment */];",
+            output: "var foo = [\n1, 2 /* any comment */\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 34
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [function foo() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+
+        // "never"
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [ /* any comment */\n1, 2\n];",
+            output: "var foo = [ /* any comment */\n1, 2];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, 2\n/* any comment */];",
+            output: "var foo = [1, 2\n/* any comment */];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = [ // any comment\n1, 2\n];",
+            output: "var foo = [ // any comment\n1, 2];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1,\n2\n];",
+            output: "var foo = [1,\n2];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            output: "var foo = [function foo() {\ndosomething();\n}];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+
+        // "consistent"
+        {
+            code: "var foo = [\n1]",
+            output: "var foo = [\n1\n]",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [1\n]",
+            output: "var foo = [1]",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1,
+                    endLine: 2,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [//\n1]",
+            output: "var foo = [//\n1\n]",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        },
+
+        // { multiline: true }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n// any comment\n];",
+            output: null,
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, 2\n];",
+            output: "var foo = [1, 2];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [function foo() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+
+        // { minItems: 2 }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ minItems: 2 }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ minItems: 2 }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [\n1, 2\n];",
+            options: [{ minItems: 2 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: [{ minItems: 2 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            output: "var foo = [function foo() {\ndosomething();\n}];",
+            options: [{ minItems: 2 }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+
+        // { minItems: 0 }
+        {
+            code: "var foo = [];",
+            output: "var foo = [\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "var foo = [1];",
+            output: "var foo = [\n1\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [\n1, 2\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+
+            ]
+        },
+        {
+            code: "var foo = [function foo() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+
+        // { minItems: null }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, 2\n];",
+            output: "var foo = [1, 2];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1,\n2\n];",
+            output: "var foo = [1,\n2];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            output: "var foo = [function foo() {\ndosomething();\n}];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+
+        // { multiline: true, minItems: null }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ multiline: true, minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ multiline: true, minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, 2\n];",
+            output: "var foo = [1, 2];",
+            options: [{ multiline: true, minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: [{ multiline: true, minItems: null }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [function foo() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            options: [{ multiline: true, minItems: null }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+
+        // { multiline: true, minItems: 2 }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ multiline: true, minItems: 2 }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ multiline: true, minItems: 2 }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [\n1, 2\n];",
+            options: [{ multiline: true, minItems: 2 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [\n1,\n2\n];",
+            options: [{ multiline: true, minItems: 2 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [function foo() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            options: [{ multiline: true, minItems: 2 }],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+
+        /*
+         * extra test cases
+         * "always"
+         */
+        {
+            code: "var foo = [\n1, 2];",
+            output: "var foo = [\n1, 2\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 5
+                }
+            ]
+        },
+        {
+            code: "var foo = [\t1, 2];",
+            output: "var foo = [\n\t1, 2\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2\n];",
+            output: "var foo = [\n1,\n2\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+
+        //  { multiline: false }
+        {
+            code: "var foo = [\n];",
+            output: "var foo = [];",
+            options: [{ multiline: false }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n];",
+            output: "var foo = [1];",
+            options: [{ multiline: false }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, 2\n];",
+            output: "var foo = [1, 2];",
+            options: [{ multiline: false }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1,\n2\n];",
+            output: "var foo = [1,\n2];",
+            options: [{ multiline: false }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}\n];",
+            output: "var foo = [function foo() {\ndosomething();\n}];",
+            options: [{ multiline: false }],
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayExpression",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+
+        /*
+         * ArrayPattern
+         * "always"
+         */
+        {
+            code: "var [] = foo;",
+            output: "var [\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 6
+                }
+            ]
+        },
+        {
+            code: "var [a] = foo;",
+            output: "var [\na\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 7
+                }
+            ]
+        },
+        {
+            code: "var [ // any comment\na] = foo;",
+            output: "var [ // any comment\na\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var [ /* any comment */\na] = foo;",
+            output: "var [ /* any comment */\na\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var [a, b] = foo;",
+            output: "var [\na, b\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "var [a, b // any comment\n] = foo;",
+            output: "var [\na, b // any comment\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                }
+            ]
+        },
+        {
+            code: "var [a, b /* any comment */] = foo;",
+            output: "var [\na, b /* any comment */\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 28
+                }
+            ]
+        },
+        {
+            code: "var [a,\nb] = foo;",
+            output: "var [\na,\nb\n] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+
+        // "consistent"
+        {
+            code: "var [\na] = foo",
+            output: "var [\na\n] = foo",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        },
+        {
+            code: "var [a\n] = foo",
+            output: "var [a] = foo",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 1,
+                    endLine: 2,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "var [//\na] = foo",
+            output: "var [//\na\n] = foo",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        },
+
+        // { minItems: 2 }
+        {
+            code: "var [\n] = foo;",
+            output: "var [] = foo;",
+            options: [{ minItems: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var [\na\n] = foo;",
+            output: "var [a] = foo;",
+            options: [{ minItems: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "unexpectedClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var [a, b] = foo;",
+            output: "var [\na, b\n] = foo;",
+            options: [{ minItems: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "var [a,\nb] = foo;",
+            output: "var [\na,\nb\n] = foo;",
+            options: [{ minItems: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingOpeningLinebreak",
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "missingClosingLinebreak",
+                    type: "ArrayPattern",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        }
+
+    ]
+});
diff --git a/eslint/tests/lib/rules/array-bracket-spacing.js b/eslint/tests/lib/rules/array-bracket-spacing.js
new file mode 100644
index 0000000..33caf08
--- /dev/null
+++ b/eslint/tests/lib/rules/array-bracket-spacing.js
@@ -0,0 +1,1130 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of brackets.
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path"),
+    rule = require("../../../lib/rules/array-bracket-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the path to the specified parser.
+ * @param {string} name The parser name to get.
+ * @returns {string} The path to the specified parser.
+ */
+function parser(name) {
+    return path.resolve(__dirname, `../../fixtures/parsers/array-bracket-spacing/${name}.js`);
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("array-bracket-spacing", rule, {
+
+    valid: [
+        { code: "var foo = obj[ 1 ]", options: ["always"] },
+        { code: "var foo = obj[ 'foo' ];", options: ["always"] },
+        { code: "var foo = obj[ [ 1, 1 ] ];", options: ["always"] },
+
+        // always - singleValue
+        { code: "var foo = ['foo']", options: ["always", { singleValue: false }] },
+        { code: "var foo = [2]", options: ["always", { singleValue: false }] },
+        { code: "var foo = [[ 1, 1 ]]", options: ["always", { singleValue: false }] },
+        { code: "var foo = [{ 'foo': 'bar' }]", options: ["always", { singleValue: false }] },
+        { code: "var foo = [bar]", options: ["always", { singleValue: false }] },
+
+        // always - objectsInArrays
+        { code: "var foo = [{ 'bar': 'baz' }, 1,  5 ];", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [ 1, 5, { 'bar': 'baz' }];", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [{\n'bar': 'baz', \n'qux': [{ 'bar': 'baz' }], \n'quxx': 1 \n}]", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [{ 'bar': 'baz' }]", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [{ 'bar': 'baz' }, 1, { 'bar': 'baz' }];", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [ 1, { 'bar': 'baz' }, 5 ];", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [ 1, { 'bar': 'baz' }, [{ 'bar': 'baz' }] ];", options: ["always", { objectsInArrays: false }] },
+        { code: "var foo = [ function(){} ];", options: ["always", { objectsInArrays: false }] },
+
+        // always - arraysInArrays
+        { code: "var arr = [[ 1, 2 ], 2, 3, 4 ];", options: ["always", { arraysInArrays: false }] },
+        { code: "var arr = [[ 1, 2 ], [[[ 1 ]]], 3, 4 ];", options: ["always", { arraysInArrays: false }] },
+        { code: "var foo = [ arr[i], arr[j] ];", options: ["always", { arraysInArrays: false }] },
+
+        // always - arraysInArrays, objectsInArrays
+        { code: "var arr = [[ 1, 2 ], 2, 3, { 'foo': 'bar' }];", options: ["always", { arraysInArrays: false, objectsInArrays: false }] },
+
+        // always - arraysInArrays, objectsInArrays, singleValue
+        { code: "var arr = [[ 1, 2 ], [2], 3, { 'foo': 'bar' }];", options: ["always", { arraysInArrays: false, objectsInArrays: false, singleValue: false }] },
+
+        // always
+        { code: "obj[ foo ]", options: ["always"] },
+        { code: "obj[\nfoo\n]", options: ["always"] },
+        { code: "obj[ 'foo' ]", options: ["always"] },
+        { code: "obj[ 'foo' + 'bar' ]", options: ["always"] },
+        { code: "obj[ obj2[ foo ] ]", options: ["always"] },
+        { code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+        { code: "obj[ 'map' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+        { code: "obj[ 'for' + 'Each' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+
+        { code: "var arr = [ 1, 2, 3, 4 ];", options: ["always"] },
+        { code: "var arr = [ [ 1, 2 ], 2, 3, 4 ];", options: ["always"] },
+        { code: "var arr = [\n1, 2, 3, 4\n];", options: ["always"] },
+        { code: "var foo = [];", options: ["always"] },
+
+        // singleValue: false, objectsInArrays: true, arraysInArrays
+        { code: "this.db.mappings.insert([\n { alias: 'a', url: 'http://www.amazon.de' },\n { alias: 'g', url: 'http://www.google.de' }\n], function() {});", options: ["always", { singleValue: false, objectsInArrays: true, arraysInArrays: true }] },
+
+        // always - destructuring assignment
+        { code: "var [ x, y ] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ x,y ] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ x, y\n] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, y ] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, y\n] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx,,,\n] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ ,x, ] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, ...y\n] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, ...y ] = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [[ x, y ], z ] = arr;", options: ["always", { arraysInArrays: false }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ x, [ y, z ]] = arr;", options: ["always", { arraysInArrays: false }], parserOptions: { ecmaVersion: 6 } },
+        { code: "[{ x, y }, z ] = arr;", options: ["always", { objectsInArrays: false }], parserOptions: { ecmaVersion: 6 } },
+        { code: "[ x, { y, z }] = arr;", options: ["always", { objectsInArrays: false }], parserOptions: { ecmaVersion: 6 } },
+
+        // never
+        { code: "obj[foo]", options: ["never"] },
+        { code: "obj['foo']", options: ["never"] },
+        { code: "obj['foo' + 'bar']", options: ["never"] },
+        { code: "obj['foo'+'bar']", options: ["never"] },
+        { code: "obj[obj2[foo]]", options: ["never"] },
+        { code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "obj['map'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "obj['for' + 'Each'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "var arr = [1, 2, 3, 4];", options: ["never"] },
+        { code: "var arr = [[1, 2], 2, 3, 4];", options: ["never"] },
+        { code: "var arr = [\n1, 2, 3, 4\n];", options: ["never"] },
+        { code: "obj[\nfoo]", options: ["never"] },
+        { code: "obj[foo\n]", options: ["never"] },
+        { code: "var arr = [1,\n2,\n3,\n4\n];", options: ["never"] },
+        { code: "var arr = [\n1,\n2,\n3,\n4];", options: ["never"] },
+
+        // never - destructuring assignment
+        { code: "var [x, y] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [x,y] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [x, y\n] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, y] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, y\n] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx,,,\n] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [,x,] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, ...y\n] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [\nx, ...y] = z", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ [x, y], z] = arr;", options: ["never", { arraysInArrays: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [x, [y, z] ] = arr;", options: ["never", { arraysInArrays: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "[ { x, y }, z] = arr;", options: ["never", { objectsInArrays: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "[x, { y, z } ] = arr;", options: ["never", { objectsInArrays: true }], parserOptions: { ecmaVersion: 6 } },
+
+        // never - singleValue
+        { code: "var foo = [ 'foo' ]", options: ["never", { singleValue: true }] },
+        { code: "var foo = [ 2 ]", options: ["never", { singleValue: true }] },
+        { code: "var foo = [ [1, 1] ]", options: ["never", { singleValue: true }] },
+        { code: "var foo = [ {'foo': 'bar'} ]", options: ["never", { singleValue: true }] },
+        { code: "var foo = [ bar ]", options: ["never", { singleValue: true }] },
+
+        // never - objectsInArrays
+        { code: "var foo = [ {'bar': 'baz'}, 1, 5];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [1, 5, {'bar': 'baz'} ];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [ {\n'bar': 'baz', \n'qux': [ {'bar': 'baz'} ], \n'quxx': 1 \n} ]", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [ {'bar': 'baz'} ]", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [ {'bar': 'baz'}, 1, {'bar': 'baz'} ];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [1, {'bar': 'baz'} , 5];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [1, {'bar': 'baz'}, [ {'bar': 'baz'} ]];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [function(){}];", options: ["never", { objectsInArrays: true }] },
+        { code: "var foo = [];", options: ["never", { objectsInArrays: true }] },
+
+        // never - arraysInArrays
+        { code: "var arr = [ [1, 2], 2, 3, 4];", options: ["never", { arraysInArrays: true }] },
+        { code: "var foo = [arr[i], arr[j]];", options: ["never", { arraysInArrays: true }] },
+        { code: "var foo = [];", options: ["never", { arraysInArrays: true }] },
+
+        // never - arraysInArrays, singleValue
+        { code: "var arr = [ [1, 2], [ [ [ 1 ] ] ], 3, 4];", options: ["never", { arraysInArrays: true, singleValue: true }] },
+
+        // never - arraysInArrays, objectsInArrays
+        { code: "var arr = [ [1, 2], 2, 3, {'foo': 'bar'} ];", options: ["never", { arraysInArrays: true, objectsInArrays: true }] },
+
+        // should not warn
+        { code: "var foo = {};", options: ["never"] },
+        { code: "var foo = [];", options: ["never"] },
+
+        { code: "var foo = [{'bar':'baz'}, 1, {'bar': 'baz'}];", options: ["never"] },
+        { code: "var foo = [{'bar': 'baz'}];", options: ["never"] },
+        { code: "var foo = [{\n'bar': 'baz', \n'qux': [{'bar': 'baz'}], \n'quxx': 1 \n}]", options: ["never"] },
+        { code: "var foo = [1, {'bar': 'baz'}, 5];", options: ["never"] },
+        { code: "var foo = [{'bar': 'baz'}, 1,  5];", options: ["never"] },
+        { code: "var foo = [1, 5, {'bar': 'baz'}];", options: ["never"] },
+        { code: "var obj = {'foo': [1, 2]}", options: ["never"] },
+
+        // destructuring with type annotation
+        { code: "([ a, b ]: Array<any>) => {}", options: ["always"], parser: parser("flow-destructuring-1"), parserOptions: { ecmaVersion: 6 } },
+        { code: "([a, b]: Array< any >) => {}", options: ["never"], parser: parser("flow-destructuring-2"), parserOptions: { ecmaVersion: 6 } }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = [ ]",
+            output: "var foo = []",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+
+        // objectsInArrays
+        {
+            code: "var foo = [ { 'bar': 'baz' }, 1,  5];",
+            output: "var foo = [{ 'bar': 'baz' }, 1,  5 ];",
+            options: ["always", { objectsInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 36,
+                    endLine: 1,
+                    endColumn: 37
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 5, { 'bar': 'baz' } ];",
+            output: "var foo = [ 1, 5, { 'bar': 'baz' }];",
+            options: ["always", { objectsInArrays: false }],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 34,
+                    endLine: 1,
+                    endColumn: 35
+                }
+            ]
+        },
+        {
+            code: "var foo = [ { 'bar':'baz' }, 1, { 'bar': 'baz' } ];",
+            output: "var foo = [{ 'bar':'baz' }, 1, { 'bar': 'baz' }];",
+            options: ["always", { objectsInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 49,
+                    endLine: 1,
+                    endColumn: 50
+                }
+            ]
+        },
+
+        // singleValue
+        {
+            code: "var obj = [ 'foo' ];",
+            output: "var obj = ['foo'];",
+            options: ["always", { singleValue: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 18,
+                    endLine: 1,
+                    endColumn: 19
+                }
+            ]
+        },
+        {
+            code: "var obj = ['foo' ];",
+            output: "var obj = ['foo'];",
+            options: ["always", { singleValue: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                }
+            ]
+        },
+        {
+            code: "var obj = ['foo'];",
+            output: "var obj = [ 'foo' ];",
+            options: ["never", { singleValue: true }],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                }
+            ]
+        },
+
+        // always - arraysInArrays
+        {
+            code: "var arr = [ [ 1, 2 ], 2, 3, 4 ];",
+            output: "var arr = [[ 1, 2 ], 2, 3, 4 ];",
+            options: ["always", { arraysInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var arr = [ 1, 2, 2, [ 3, 4 ] ];",
+            output: "var arr = [ 1, 2, 2, [ 3, 4 ]];",
+            options: ["always", { arraysInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+                }
+            ]
+        },
+        {
+            code: "var arr = [[ 1, 2 ], 2, [ 3, 4 ] ];",
+            output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
+            options: ["always", { arraysInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 33,
+                    endLine: 1,
+                    endColumn: 34
+                }
+            ]
+        },
+        {
+            code: "var arr = [ [ 1, 2 ], 2, [ 3, 4 ]];",
+            output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
+            options: ["always", { arraysInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var arr = [ [ 1, 2 ], 2, [ 3, 4 ] ];",
+            output: "var arr = [[ 1, 2 ], 2, [ 3, 4 ]];",
+            options: ["always", { arraysInArrays: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 34,
+                    endLine: 1,
+                    endColumn: 35
+                }
+            ]
+        },
+
+        // always - destructuring
+        {
+            code: "var [x,y] = y",
+            output: "var [ x,y ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            },
+            {
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: "]"
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 9,
+                endLine: 1,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "var [x,y ] = y",
+            output: "var [ x,y ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "var [,,,x,,] = y",
+            output: "var [ ,,,x,, ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            },
+            {
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: "]"
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 12,
+                endLine: 1,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "var [ ,,,x,,] = y",
+            output: "var [ ,,,x,, ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: "]"
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 13,
+                endLine: 1,
+                endColumn: 14
+            }]
+        },
+        {
+            code: "var [...horse] = y",
+            output: "var [ ...horse ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            },
+            {
+                messageId: "missingSpaceBefore",
+                data: {
+                    tokenValue: "]"
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 14,
+                endLine: 1,
+                endColumn: 15
+            }]
+        },
+        {
+            code: "var [...horse ] = y",
+            output: "var [ ...horse ] = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "var [ [ x, y ], z ] = arr;",
+            output: "var [[ x, y ], z ] = arr;",
+            options: ["always", { arraysInArrays: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 6,
+                endLine: 1,
+                endColumn: 7
+            }]
+        },
+        {
+            code: "[ { x, y }, z ] = arr;",
+            output: "[{ x, y }, z ] = arr;",
+            options: ["always", { objectsInArrays: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: {
+                    tokenValue: "["
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 2,
+                endLine: 1,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "[ x, { y, z } ] = arr;",
+            output: "[ x, { y, z }] = arr;",
+            options: ["always", { objectsInArrays: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedSpaceBefore",
+                data: {
+                    tokenValue: "]"
+                },
+                type: "ArrayPattern",
+                line: 1,
+                column: 14,
+                endLine: 1,
+                endColumn: 15
+            }]
+        },
+
+        // never -  arraysInArrays
+        {
+            code: "var arr = [[1, 2], 2, [3, 4]];",
+            output: "var arr = [ [1, 2], 2, [3, 4] ];",
+            options: ["never", { arraysInArrays: true }],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 29,
+                    endLine: 1,
+                    endColumn: 30
+                }
+            ]
+        },
+        {
+            code: "var arr = [ ];",
+            output: "var arr = [];",
+            options: ["never", { arraysInArrays: true }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+
+        // never -  objectsInArrays
+        {
+            code: "var arr = [ ];",
+            output: "var arr = [];",
+            options: ["never", { objectsInArrays: true }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+
+        // always
+        {
+            code: "var arr = [1, 2, 3, 4];",
+            output: "var arr = [ 1, 2, 3, 4 ];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 22,
+                    endLine: 1,
+                    endColumn: 23
+                }
+            ]
+        },
+        {
+            code: "var arr = [1, 2, 3, 4 ];",
+            output: "var arr = [ 1, 2, 3, 4 ];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var arr = [ 1, 2, 3, 4];",
+            output: "var arr = [ 1, 2, 3, 4 ];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 23,
+                    endLine: 1,
+                    endColumn: 24
+                }
+            ]
+        },
+
+        // never
+        {
+            code: "var arr = [ 1, 2, 3, 4 ];",
+            output: "var arr = [1, 2, 3, 4];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 23,
+                    endLine: 1,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code: "var arr = [1, 2, 3, 4 ];",
+            output: "var arr = [1, 2, 3, 4];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 22,
+                    endLine: 1,
+                    endColumn: 23
+                }
+            ]
+        },
+        {
+            code: "var arr = [ 1, 2, 3, 4];",
+            output: "var arr = [1, 2, 3, 4];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var arr = [ [ 1], 2, 3, 4];",
+            output: "var arr = [[1], 2, 3, 4];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "var arr = [[1 ], 2, 3, 4 ];",
+            output: "var arr = [[1], 2, 3, 4];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                }
+            ]
+        },
+
+        // destructuring with type annotation
+        {
+            code: "([ a, b ]: Array<any>) => {}",
+            output: "([a, b]: Array<any>) => {}",
+            options: ["never"],
+            parser: parser("flow-destructuring-1"),
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 3,
+                    endLine: 1,
+                    endColumn: 4
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "([a, b]: Array< any >) => {}",
+            output: "([ a, b ]: Array< any >) => {}",
+            options: ["always"],
+            parser: parser("flow-destructuring-2"),
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 2,
+                    endLine: 1,
+                    endColumn: 3
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 7,
+                    endLine: 1,
+                    endColumn: 8
+                }
+            ]
+        },
+
+        // multiple spaces
+        {
+            code: "var arr = [  1, 2   ];",
+            output: "var arr = [1, 2];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 18,
+                    endLine: 1,
+                    endColumn: 21
+                }
+            ]
+        },
+        {
+            code: "function f( [   a, b  ] ) {}",
+            output: "function f( [a, b] ) {}",
+            options: ["never"],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 17
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayPattern",
+                    line: 1,
+                    column: 21,
+                    endLine: 1,
+                    endColumn: 23
+                }
+            ]
+        },
+        {
+            code: "var arr = [ 1,\n   2   ];",
+            output: "var arr = [1,\n   2];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 2,
+                    column: 5,
+                    endLine: 2,
+                    endColumn: 8
+                }
+            ]
+        },
+        {
+            code: "var arr = [  1, [ 2, 3  ] ];",
+            output: "var arr = [1, [2, 3]];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: {
+                        tokenValue: "["
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 18,
+                    endLine: 1,
+                    endColumn: 19
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 23,
+                    endLine: 1,
+                    endColumn: 25
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: {
+                        tokenValue: "]"
+                    },
+                    type: "ArrayExpression",
+                    line: 1,
+                    column: 26,
+                    endLine: 1,
+                    endColumn: 27
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/array-callback-return.js b/eslint/tests/lib/rules/array-callback-return.js
new file mode 100644
index 0000000..71731de
--- /dev/null
+++ b/eslint/tests/lib/rules/array-callback-return.js
@@ -0,0 +1,204 @@
+/**
+ * @fileoverview Tests for array-callback-return rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/array-callback-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+const allowImplicitOptions = [{ allowImplicit: true }];
+
+const checkForEachOptions = [{ checkForEach: true }];
+
+const allowImplicitCheckForEach = [{ allowImplicit: true, checkForEach: true }];
+
+ruleTester.run("array-callback-return", rule, {
+    valid: [
+
+        "foo.every(function(){}())",
+        "foo.every(function(){ return function() { return true; }; }())",
+        "foo.every(function(){ return function() { return; }; })",
+
+        "foo.forEach(bar || function(x) { var a=0; })",
+        "foo.forEach(bar || function(x) { return a; })",
+        "foo.forEach(function() {return function() { var a = 0;}}())",
+        "foo.forEach(function(x) { var a=0; })",
+        "foo.forEach(function(x) { return a;})",
+        "foo.forEach(function(x) { return; })",
+        "foo.forEach(function(x) { if (a === b) { return;} var a=0; })",
+        "foo.forEach(function(x) { if (a === b) { return x;} var a=0; })",
+        "foo.bar().forEach(function(x) { return; })",
+        "[\"foo\",\"bar\",\"baz\"].forEach(function(x) { return x; })",
+        { code: "foo.forEach(x => { var a=0; })", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(x => { if (a === b) { return;} var a=0; })", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(x => x)", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(val => y += val)", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "foo.map(async function(){})", parserOptions: { ecmaVersion: 8 } },
+        { code: "foo.map(async () => {})", parserOptions: { ecmaVersion: 8 } },
+        { code: "foo.map(function* () {})", parserOptions: { ecmaVersion: 6 } },
+
+        // options: { allowImplicit: false }
+        { code: "Array.from(x, function() { return true; })", options: [{ allowImplicit: false }] },
+        { code: "Int32Array.from(x, function() { return true; })", options: [{ allowImplicit: false }] },
+        "foo.every(function() { return true; })",
+        "foo.filter(function() { return true; })",
+        "foo.find(function() { return true; })",
+        "foo.findIndex(function() { return true; })",
+        "foo.flatMap(function() { return true; })",
+        "foo.forEach(function() { return; })",
+        "foo.map(function() { return true; })",
+        "foo.reduce(function() { return true; })",
+        "foo.reduceRight(function() { return true; })",
+        "foo.some(function() { return true; })",
+        "foo.sort(function() { return 0; })",
+        { code: "foo.every(() => { return true; })", parserOptions: { ecmaVersion: 6 } },
+        "foo.every(function() { if (a) return true; else return false; })",
+        "foo.every(function() { switch (a) { case 0: bar(); default: return true; } })",
+        "foo.every(function() { try { bar(); return true; } catch (err) { return false; } })",
+        "foo.every(function() { try { bar(); } finally { return true; } })",
+
+        // options: { allowImplicit: true }
+        { code: "Array.from(x, function() { return; })", options: allowImplicitOptions },
+        { code: "Int32Array.from(x, function() { return; })", options: allowImplicitOptions },
+        { code: "foo.every(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.filter(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.find(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.findIndex(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.flatMap(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.forEach(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.map(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.reduce(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.reduceRight(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.some(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.sort(function() { return; })", options: allowImplicitOptions },
+        { code: "foo.every(() => { return; })", options: allowImplicitOptions, parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.every(function() { if (a) return; else return a; })", options: allowImplicitOptions },
+        { code: "foo.every(function() { switch (a) { case 0: bar(); default: return; } })", options: allowImplicitOptions },
+        { code: "foo.every(function() { try { bar(); return; } catch (err) { return; } })", options: allowImplicitOptions },
+        { code: "foo.every(function() { try { bar(); } finally { return; } })", options: allowImplicitOptions },
+
+        // options: { checkForEach: true }
+        { code: "foo.forEach(function(x) { return; })", options: checkForEachOptions },
+        { code: "foo.forEach(function(x) { var a=0; })", options: checkForEachOptions },
+        { code: "foo.forEach(function(x) { if (a === b) { return;} var a=0; })", options: checkForEachOptions },
+        { code: "foo.forEach(function() {return function() { if (a == b) { return; }}}())", options: checkForEachOptions },
+        { code: "foo.forEach(x => { var a=0; })", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(x => { if (a === b) { return;} var a=0; })", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(x => { x })", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.forEach(bar || function(x) { return; })", options: checkForEachOptions },
+        { code: "Array.from(x, function() { return true; })", options: checkForEachOptions },
+        { code: "Int32Array.from(x, function() { return true; })", options: checkForEachOptions },
+        { code: "foo.every(() => { return true; })", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.every(function() { if (a) return 1; else return a; })", options: checkForEachOptions },
+        { code: "foo.every(function() { switch (a) { case 0: return bar(); default: return a; } })", options: checkForEachOptions },
+        { code: "foo.every(function() { try { bar(); return 1; } catch (err) { return err; } })", options: checkForEachOptions },
+        { code: "foo.every(function() { try { bar(); } finally { return 1; } })", options: checkForEachOptions },
+        { code: "foo.every(function() { return; })", options: allowImplicitCheckForEach },
+
+        "Arrow.from(x, function() {})",
+        "foo.abc(function() {})",
+        "every(function() {})",
+        "foo[every](function() {})",
+        "var every = function() {}",
+        { code: "foo[`${every}`](function() {})", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo.every(() => true)", parserOptions: { ecmaVersion: 6 } }
+
+    ],
+    invalid: [
+
+        { code: "Array.from(x, function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "Array.from(x, function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "Int32Array.from(x, function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "Int32Array.from(x, function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.every(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.every(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.filter(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.filter(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.find(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.find(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.findIndex(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.findIndex(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.flatMap(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.flatMap(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.map(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.map(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.reduce(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.reduce(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.reduceRight(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.reduceRight(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.some(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.some(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.sort(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.sort(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.bar.baz.every(function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.bar.baz.every(function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo[\"every\"](function() {})", errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo[\"every\"](function foo() {})", errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo[`every`](function() {})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo[`every`](function foo() {})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.every(() => {})", parserOptions: { ecmaVersion: 6 }, errors: [{ message: "Expected to return a value in arrow function.", column: 14 }] },
+        { code: "foo.every(function() { if (a) return true; })", errors: [{ message: "Expected to return a value at the end of function.", column: 11 }] },
+        { code: "foo.every(function cb() { if (a) return true; })", errors: [{ message: "Expected to return a value at the end of function 'cb'.", column: 20 }] },
+        { code: "foo.every(function() { switch (a) { case 0: break; default: return true; } })", errors: [{ messageId: "expectedAtEnd", data: { name: "function" } }] },
+        { code: "foo.every(function foo() { switch (a) { case 0: break; default: return true; } })", errors: [{ messageId: "expectedAtEnd", data: { name: "function 'foo'" } }] },
+        { code: "foo.every(function() { try { bar(); } catch (err) { return true; } })", errors: [{ messageId: "expectedAtEnd", data: { name: "function" } }] },
+        { code: "foo.every(function foo() { try { bar(); } catch (err) { return true; } })", errors: [{ messageId: "expectedAtEnd", data: { name: "function 'foo'" } }] },
+        { code: "foo.every(function() { return; })", errors: [{ messageId: "expectedReturnValue", data: { name: "Function" } }] },
+        { code: "foo.every(function foo() { return; })", errors: [{ messageId: "expectedReturnValue", data: { name: "Function 'foo'" } }] },
+        { code: "foo.every(function() { if (a) return; })", errors: ["Expected to return a value at the end of function.", { messageId: "expectedReturnValue", data: { name: "Function" } }] },
+        { code: "foo.every(function foo() { if (a) return; })", errors: ["Expected to return a value at the end of function 'foo'.", { messageId: "expectedReturnValue", data: { name: "Function 'foo'" } }] },
+        { code: "foo.every(function() { if (a) return; else return; })", errors: [{ messageId: "expectedReturnValue", data: { name: "Function" } }, { messageId: "expectedReturnValue", data: { name: "Function" } }] },
+        { code: "foo.every(function foo() { if (a) return; else return; })", errors: [{ messageId: "expectedReturnValue", data: { name: "Function 'foo'" } }, { messageId: "expectedReturnValue", data: { name: "Function 'foo'" } }] },
+        { code: "foo.every(cb || function() {})", errors: ["Expected to return a value in function."] },
+        { code: "foo.every(cb || function foo() {})", errors: ["Expected to return a value in function 'foo'."] },
+        { code: "foo.every(a ? function() {} : function() {})", errors: ["Expected to return a value in function.", "Expected to return a value in function."] },
+        { code: "foo.every(a ? function foo() {} : function bar() {})", errors: ["Expected to return a value in function 'foo'.", "Expected to return a value in function 'bar'."] },
+        { code: "foo.every(function(){ return function() {}; }())", errors: [{ message: "Expected to return a value in function.", column: 30 }] },
+        { code: "foo.every(function(){ return function foo() {}; }())", errors: [{ message: "Expected to return a value in function 'foo'.", column: 39 }] },
+        { code: "foo.every(() => {})", options: [{ allowImplicit: false }], parserOptions: { ecmaVersion: 6 }, errors: [{ message: "Expected to return a value in arrow function." }] },
+        { code: "foo.every(() => {})", options: [{ allowImplicit: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ message: "Expected to return a value in arrow function." }] },
+
+        // options: { allowImplicit: true }
+        { code: "Array.from(x, function() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.every(function() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.filter(function foo() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.find(function foo() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.map(function() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.reduce(function() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.reduceRight(function() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.bar.baz.every(function foo() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.every(cb || function() {})", options: allowImplicitOptions, errors: ["Expected to return a value in function."] },
+        { code: "[\"foo\",\"bar\"].sort(function foo() {})", options: allowImplicitOptions, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.forEach(x => x)", options: allowImplicitCheckForEach, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "foo.forEach(function(x) { if (a == b) {return x;}})", options: allowImplicitCheckForEach, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function" } }] },
+        { code: "foo.forEach(function bar(x) { return x;})", options: allowImplicitCheckForEach, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function 'bar'" } }] },
+
+        // // options: { checkForEach: true }
+        { code: "foo.forEach(x => x)", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "foo.forEach(val => y += val)", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "[\"foo\",\"bar\"].forEach(x => ++x)", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "foo.bar().forEach(x => x === y)", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "foo.forEach(function() {return function() { if (a == b) { return a; }}}())", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function" } }] },
+        { code: "foo.forEach(function(x) { if (a == b) {return x;}})", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function" } }] },
+        { code: "foo.forEach(function(x) { if (a == b) {return undefined;}})", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function" } }] },
+        { code: "foo.forEach(function bar(x) { return x;})", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function 'bar'" } }] },
+        { code: "foo.bar().forEach(function bar(x) { return x;})", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function 'bar'" } }] },
+        { code: "[\"foo\",\"bar\"].forEach(function bar(x) { return x;})", options: checkForEachOptions, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Function 'bar'" } }] },
+        { code: "foo.forEach((x) => { return x;})", options: checkForEachOptions, parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expectedNoReturnValue", data: { name: "Arrow function" } }] },
+        { code: "Array.from(x, function() {})", options: checkForEachOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.every(function() {})", options: checkForEachOptions, errors: [{ messageId: "expectedInside", data: { name: "function" } }] },
+        { code: "foo.filter(function foo() {})", options: checkForEachOptions, errors: [{ messageId: "expectedInside", data: { name: "function 'foo'" } }] },
+        { code: "foo.filter(function foo() { return; })", options: checkForEachOptions, errors: [{ messageId: "expectedReturnValue", data: { name: "Function 'foo'" } }] },
+        { code: "foo.every(cb || function() {})", options: checkForEachOptions, errors: ["Expected to return a value in function."] }
+
+    ]
+});
diff --git a/eslint/tests/lib/rules/array-element-newline.js b/eslint/tests/lib/rules/array-element-newline.js
new file mode 100644
index 0000000..b17af83
--- /dev/null
+++ b/eslint/tests/lib/rules/array-element-newline.js
@@ -0,0 +1,885 @@
+/**
+ * @fileoverview Tests for array-element-newline rule.
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/array-element-newline");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("array-element-newline", rule, {
+
+    valid: [
+
+        /*
+         * ArrayExpression
+         * "always"
+         */
+        "var foo = [];",
+        "var foo = [1];",
+        "var foo = [1,\n2];",
+        "var foo = [1, // any comment\n2];",
+        "var foo = [// any comment \n1,\n2];",
+        "var foo = [1,\n2 // any comment\n];",
+        "var foo = [1,\n2,\n3];",
+        "var foo = [1\n, (2\n, 3)];",
+        "var foo = [1,\n(  2   ),\n3];",
+        "var foo = [1,\n((((2)))),\n3];",
+        "var foo = [1,\n(\n2\n),\n3];",
+        "var foo = [1,\n(2),\n3];",
+        "var foo = [1,\n(2)\n, 3];",
+        "var foo = [1\n, 2\n, 3];",
+        "var foo = [1,\n2,\n,\n3];",
+        "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\nosomething();\n}\n];",
+
+        { code: "var foo = [];", options: ["always"] },
+        { code: "var foo = [1];", options: ["always"] },
+        { code: "var foo = [1,\n2];", options: ["always"] },
+        { code: "var foo = [1,\n(2)];", options: ["always"] },
+        { code: "var foo = [1\n, (2)];", options: ["always"] },
+        { code: "var foo = [1, // any comment\n2];", options: ["always"] },
+        { code: "var foo = [// any comment \n1,\n2];", options: ["always"] },
+        { code: "var foo = [1,\n2 // any comment\n];", options: ["always"] },
+        { code: "var foo = [1,\n2,\n3];", options: ["always"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];", options: ["always"] },
+
+        // "never"
+        { code: "var foo = [];", options: ["never"] },
+        { code: "var foo = [1];", options: ["never"] },
+        { code: "var foo = [1, 2];", options: ["never"] },
+        { code: "var foo = [1, /* any comment */ 2];", options: ["never"] },
+        { code: "var foo = [/* any comment */ 1, 2];", options: ["never"] },
+        { code: "var foo = /* any comment */ [1, 2];", options: ["never"] },
+        { code: "var foo = [1, 2, 3];", options: ["never"] },
+        { code: "var foo = [1, (\n2\n), 3];", options: ["never"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];", options: ["never"] },
+
+        // "consistent"
+        { code: "var foo = [];", options: ["consistent"] },
+        { code: "var foo = [1];", options: ["consistent"] },
+        { code: "var foo = [1, 2];", options: ["consistent"] },
+        { code: "var foo = [1,\n2];", options: ["consistent"] },
+        { code: "var foo = [1, 2, 3];", options: ["consistent"] },
+        { code: "var foo = [1,\n2,\n3];", options: ["consistent"] },
+        { code: "var foo = [1,\n2,\n,\n3];", options: ["consistent"] },
+        { code: "var foo = [1, // any comment\n2];", options: ["consistent"] },
+        { code: "var foo = [/* any comment */ 1, 2];", options: ["consistent"] },
+        { code: "var foo = [1, (\n2\n), 3];", options: ["consistent"] },
+        { code: "var foo = [1,\n(2)\n, 3];", options: ["consistent"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];", options: ["consistent"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];", options: ["consistent"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}];", options: ["consistent"] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}, function bar() {\ndosomething();\n}];", options: ["consistent"] },
+
+        // { multiline: true }
+        { code: "var foo = [];", options: [{ multiline: true }] },
+        { code: "var foo = [1];", options: [{ multiline: true }] },
+        { code: "var foo = [1, 2];", options: [{ multiline: true }] },
+        { code: "var foo = [1, 2, 3];", options: [{ multiline: true }] },
+        { code: "var f = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];", options: [{ multiline: true }] },
+
+        // { minItems: null }
+        { code: "var foo = [];", options: [{ minItems: null }] },
+        { code: "var foo = [1];", options: [{ minItems: null }] },
+        { code: "var foo = [1, 2];", options: [{ minItems: null }] },
+        { code: "var foo = [1, 2, 3];", options: [{ minItems: null }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];", options: [{ minItems: null }] },
+
+        // { minItems: 0 }
+        { code: "var foo = [];", options: [{ minItems: 0 }] },
+        { code: "var foo = [1];", options: [{ minItems: 0 }] },
+        { code: "var foo = [1,\n2];", options: [{ minItems: 0 }] },
+        { code: "var foo = [1,\n2,\n3];", options: [{ minItems: 0 }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];", options: [{ minItems: 0 }] },
+
+        // { minItems: 3 }
+        { code: "var foo = [];", options: [{ minItems: 3 }] },
+        { code: "var foo = [1];", options: [{ minItems: 3 }] },
+        { code: "var foo = [1, 2];", options: [{ minItems: 3 }] },
+        { code: "var foo = [1,\n2,\n3];", options: [{ minItems: 3 }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];", options: [{ minItems: 3 }] },
+
+        // { multiline: true, minItems: 3 }
+        { code: "var foo = [];", options: [{ multiline: true, minItems: 3 }] },
+        { code: "var foo = [1];", options: [{ multiline: true, minItems: 3 }] },
+        { code: "var foo = [1, 2];", options: [{ multiline: true, minItems: 3 }] },
+        { code: "var foo = [1, // any comment\n2,\n, 3];", options: [{ multiline: true, minItems: 3 }] },
+        { code: "var foo = [1,\n2,\n// any comment\n, 3];", options: [{ multiline: true, minItems: 3 }] },
+        { code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];", options: [{ multiline: true, minItems: 3 }] },
+
+        /*
+         * ArrayPattern
+         * "always"
+         */
+        { code: "var [] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a,\nb] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, // any comment\nb] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [// any comment \na,\nb] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a,\nb // any comment\n] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a,\nb,\nb] = foo;", parserOptions: { ecmaVersion: 6 } },
+
+        // { minItems: 3 }
+        { code: "var [] = foo;", options: [{ minItems: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo;", options: [{ minItems: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, b] = foo;", options: [{ minItems: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a,\nb,\nc] = foo;", options: [{ minItems: 3 }], parserOptions: { ecmaVersion: 6 } },
+
+        /*
+         * ArrayExpression & ArrayPattern
+         * { ArrayExpression: "always", ArrayPattern: "never" }
+         */
+        { code: "var [a, b] = [1,\n2]", options: [{ ArrayExpression: "always", ArrayPattern: "never" }], parserOptions: { ecmaVersion: 6 } }],
+
+    invalid: [
+
+        /*
+         * ArrayExpression
+         * "always"
+         */
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [1,\n2];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, (2), 3];",
+            output: "var foo = [1,\n(2),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 19,
+                    endLine: 1,
+                    endColumn: 20
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,(\n2\n), 3];",
+            output: "var foo = [1,\n(\n2\n),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 3,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,        \t      (\n2\n),\n3];",
+            output: "var foo = [1,\n(\n2\n),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, ((((2)))), 3];",
+            output: "var foo = [1,\n((((2)))),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,/* any comment */(2), 3];",
+            output: "var foo = [1,/* any comment */\n(2),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 31,
+                    endLine: 1,
+                    endColumn: 31
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 35,
+                    endLine: 1,
+                    endColumn: 36
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,(  2), 3];",
+            output: "var foo = [1,\n(  2),\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 20,
+                    endLine: 1,
+                    endColumn: 21
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, [2], 3];",
+            output: "var foo = [1,\n[2],\n3];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 19,
+                    endLine: 1,
+                    endColumn: 20
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n(function foo() {\ndosomething();\n}), function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\n(function foo() {\ndosomething();\n}),\nfunction bar() {\ndosomething();\n}\n];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 4
+                }
+            ]
+        },
+
+        // "never"
+        {
+            code: "var foo = [\n1,\n2\n];",
+            output: "var foo = [\n1, 2\n];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1\n, 2\n];",
+            output: "var foo = [\n1, 2\n];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1 // any comment\n, 2\n];",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1, // any comment\n2\n];",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1,\n2 // any comment\n];",
+            output: "var foo = [\n1, 2 // any comment\n];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n1,\n2,\n3\n];",
+            output: "var foo = [\n1, 2, 3\n];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 3,
+                    endLine: 3,
+                    endColumn: 1
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 3,
+                    column: 3,
+                    endLine: 4,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, /* any comment */\nfunction bar() {\ndosomething();\n}\n];",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 4,
+                    column: 21
+                }
+            ]
+        },
+
+        // "consistent"
+        {
+            code: "var foo = [1,\n2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2,\n3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n(\n2), 3];",
+            output: "var foo = [1,\n(\n2),\n3];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 3,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 5
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,        \t      (\n2\n),\n3];",
+            output: "var foo = [1,\n(\n2\n),\n3];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 29
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, /* any comment */(2),\n3];",
+            output: "var foo = [1, /* any comment */\n(2),\n3];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 32
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n},function bar() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}];",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+
+        // { multiline: true }
+        {
+            code: "var foo = [1,\n2, 3];",
+            output: "var foo = [1, 2, 3];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, /* any comment */ function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}, /* any comment */\nfunction bar() {\ndosomething();\n}\n];",
+            options: [{ multiline: true }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 21
+                }
+            ]
+        },
+
+        // { minItems: null }
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [1, 2];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2,\n3];",
+            output: "var foo = [1, 2, 3];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 14
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            options: [{ minItems: null }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+
+        // { minItems: 0 }
+        {
+            code: "var foo = [1, 2];",
+            output: "var foo = [1,\n2];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            options: [{ minItems: 0 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+
+        // { minItems: 3 }
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [1, 2];",
+            options: [{ minItems: 3 }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [1, 2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: [{ minItems: 3 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            options: [{ minItems: 3 }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+
+        // { multiline: true, minItems: 3 }
+        {
+            code: "var foo = [1, 2, 3];",
+            output: "var foo = [1,\n2,\n3];",
+            options: [{ multiline: true, minItems: 3 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 14
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = [1,\n2];",
+            output: "var foo = [1, 2];",
+            options: [{ multiline: true, minItems: 3 }],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var foo = [\nfunction foo() {\ndosomething();\n}, function bar() {\ndosomething();\n}\n];",
+            output: "var foo = [\nfunction foo() {\ndosomething();\n},\nfunction bar() {\ndosomething();\n}\n];",
+            options: [{ multiline: true, minItems: 3 }],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+
+        /*
+         * ArrayPattern
+         * "always"
+         */
+        {
+            code: "var [a, b] = foo;",
+            output: "var [a,\nb] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "var [a, b, c] = foo;",
+            output: "var [a,\nb,\nc] = foo;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 8
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+
+        // { minItems: 3 }
+        {
+            code: "var [a,\nb] = foo;",
+            output: "var [a, b] = foo;",
+            options: [{ minItems: 3 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "var [a, b, c] = foo;",
+            output: "var [a,\nb,\nc] = foo;",
+            options: [{ minItems: 3 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 8
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+
+        /*
+         * ArrayExpression & ArrayPattern
+         * { ArrayExpression: "always", ArrayPattern: "never" }
+         */
+        {
+            code: "var [a,\nb] = [1, 2]",
+            output: "var [a, b] = [1,\n2]",
+            options: [{ ArrayExpression: "always", ArrayPattern: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 8
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "var [a, b] = [1, 2]",
+            output: "var [a, b] = [1,\n2]",
+            options: [{ ArrayExpression: "always", ArrayPattern: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var [a,\nb] = [1,\n2]",
+            output: "var [a, b] = [1,\n2]",
+            options: [{ ArrayExpression: "always", ArrayPattern: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 8
+                }
+            ]
+        }
+    ]
+
+});
diff --git a/eslint/tests/lib/rules/arrow-body-style.js b/eslint/tests/lib/rules/arrow-body-style.js
new file mode 100644
index 0000000..7c1bea6
--- /dev/null
+++ b/eslint/tests/lib/rules/arrow-body-style.js
@@ -0,0 +1,571 @@
+/**
+ * @fileoverview Tests for arrow-body-style
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/arrow-body-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("arrow-body-style", rule, {
+    valid: [
+        "var foo = () => {};",
+        "var foo = () => 0;",
+        "var addToB = (a) => { b =  b + a };",
+        "var foo = () => { /* do nothing */ };",
+        "var foo = () => {\n /* do nothing */ \n};",
+        "var foo = (retv, name) => {\nretv[name] = true;\nreturn retv;\n};",
+        "var foo = () => ({});",
+        "var foo = () => bar();",
+        "var foo = () => { bar(); };",
+        "var foo = () => { b = a };",
+        "var foo = () => { bar: 1 };",
+        { code: "var foo = () => { return 0; };", options: ["always"] },
+        { code: "var foo = () => { return bar(); };", options: ["always"] },
+        { code: "var foo = () => 0;", options: ["never"] },
+        { code: "var foo = () => ({ foo: 0 });", options: ["never"] },
+        { code: "var foo = () => {};", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => 0;", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var addToB = (a) => { b =  b + a };", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => { /* do nothing */ };", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => {\n /* do nothing */ \n};", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = (retv, name) => {\nretv[name] = true;\nreturn retv;\n};", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => bar();", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => { bar(); };", options: ["as-needed", { requireReturnForObjectLiteral: true }] },
+        { code: "var foo = () => { return { bar: 0 }; };", options: ["as-needed", { requireReturnForObjectLiteral: true }] }
+    ],
+    invalid: [
+        {
+            code: "var foo = () => 0",
+            output: "var foo = () => {return 0}",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => 0;",
+            output: "var foo = () => {return 0};",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => ({});",
+            output: "var foo = () => {return {}};",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 18,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => (  {});",
+            output: "var foo = () => {return   {}};",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 20,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "(() => ({}))",
+            output: "(() => {return {}})",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 9,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "(() => ( {}))",
+            output: "(() => {return  {}})",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 10,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return 0; };",
+            output: "var foo = () => 0;",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return 0 };",
+            output: "var foo = () => 0;",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return bar(); };",
+            output: "var foo = () => bar();",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {};",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedEmptyBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {\nreturn 0;\n};",
+            output: "var foo = () => 0;",
+            options: ["never"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return { bar: 0 }; };",
+            output: "var foo = () => ({ bar: 0 });",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedObjectBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return ({ bar: 0 }); };",
+            output: "var foo = () => ({ bar: 0 });",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return a, b }",
+            output: "var foo = () => (a, b)",
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return };",
+            output: null, // not fixed
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return; };",
+            output: null, // not fixed
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return ( /* a */ {ok: true} /* b */ ) };",
+            output: "var foo = () => ( /* a */ {ok: true} /* b */ );",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return '{' };",
+            output: "var foo = () => '{';",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return { bar: 0 }.bar; };",
+            output: "var foo = () => ({ bar: 0 }.bar);",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedObjectBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = (retv, name) => {\nretv[name] = true;\nreturn retv;\n};",
+            output: null, // not fixed
+            options: ["never"],
+            errors: [
+                { line: 1, column: 27, type: "ArrowFunctionExpression", messageId: "unexpectedOtherBlock" }
+            ]
+        },
+        {
+            code: "var foo = () => { return 0; };",
+            output: "var foo = () => 0;",
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { return bar(); };",
+            output: "var foo = () => bar();",
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => ({});",
+            output: "var foo = () => {return {}};",
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 18,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => ({ bar: 0 });",
+            output: "var foo = () => {return { bar: 0 }};",
+            options: ["as-needed", { requireReturnForObjectLiteral: true }],
+            errors: [
+                {
+                    line: 1,
+                    column: 18,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => (((((((5)))))));",
+            output: "var foo = () => {return (((((((5)))))))};",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 24,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+
+            // Not fixed; fixing would cause ASI issues.
+            code:
+            "var foo = () => { return bar }\n" +
+            "[1, 2, 3].map(foo)",
+            output: null,
+            options: ["never"],
+            errors: [
+                { line: 1, column: 17, type: "ArrowFunctionExpression", messageId: "unexpectedSingleBlock" }
+            ]
+        },
+        {
+
+            // Not fixed; fixing would cause ASI issues.
+            code:
+            "var foo = () => { return bar }\n" +
+            "(1).toString();",
+            output: null,
+            options: ["never"],
+            errors: [
+                { line: 1, column: 17, type: "ArrowFunctionExpression", messageId: "unexpectedSingleBlock" }
+            ]
+        },
+        {
+
+            // Fixing here is ok because the arrow function has a semicolon afterwards.
+            code:
+            "var foo = () => { return bar };\n" +
+            "[1, 2, 3].map(foo)",
+            output:
+            "var foo = () => bar;\n" +
+            "[1, 2, 3].map(foo)",
+            options: ["never"],
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = /* a */ ( /* b */ ) /* c */ => /* d */ { /* e */ return /* f */ 5 /* g */ ; /* h */ } /* i */ ;",
+            output: "var foo = /* a */ ( /* b */ ) /* c */ => /* d */  /* e */  /* f */ 5 /* g */  /* h */  /* i */ ;",
+            options: ["as-needed"],
+            errors: [
+                {
+                    line: 1,
+                    column: 50,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = /* a */ ( /* b */ ) /* c */ => /* d */ ( /* e */ 5 /* f */ ) /* g */ ;",
+            output: "var foo = /* a */ ( /* b */ ) /* c */ => /* d */ {return ( /* e */ 5 /* f */ )} /* g */ ;",
+            options: ["always"],
+            errors: [
+                {
+                    line: 1,
+                    column: 60,
+                    type: "ArrowFunctionExpression",
+                    messageId: "expectedBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {\nreturn bar;\n};",
+            output: "var foo = () => bar;",
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {\nreturn bar;};",
+            output: "var foo = () => bar;",
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {return bar;\n};",
+            output: "var foo = () => bar;",
+            errors: [
+                {
+                    line: 1,
+                    column: 17,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: `
+              var foo = () => {
+                return foo
+                  .bar;
+              };
+            `,
+            output: `
+              var foo = () => foo
+                  .bar;
+            `,
+            errors: [
+                {
+                    line: 2,
+                    column: 31,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedSingleBlock"
+                }
+            ]
+        },
+        {
+            code: `
+              var foo = () => {
+                return {
+                  bar: 1,
+                  baz: 2
+                };
+              };
+            `,
+            output: `
+              var foo = () => ({
+                  bar: 1,
+                  baz: 2
+                });
+            `,
+            errors: [
+                {
+                    line: 2,
+                    column: 31,
+                    type: "ArrowFunctionExpression",
+                    messageId: "unexpectedObjectBlock"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => ({foo: 1}).foo();",
+            output: "var foo = () => {return {foo: 1}.foo()};",
+            options: ["always"],
+            errors: [{ messageId: "expectedBlock" }]
+        },
+        {
+            code: "var foo = () => ({foo: 1}.foo());",
+            output: "var foo = () => {return {foo: 1}.foo()};",
+            options: ["always"],
+            errors: [{ messageId: "expectedBlock" }]
+        },
+        {
+            code: "var foo = () => ( {foo: 1} ).foo();",
+            output: "var foo = () => {return  {foo: 1} .foo()};",
+            options: ["always"],
+            errors: [{ messageId: "expectedBlock" }]
+        },
+        {
+            code: `
+              var foo = () => ({
+                  bar: 1,
+                  baz: 2
+                });
+            `,
+            output: `
+              var foo = () => {return {
+                  bar: 1,
+                  baz: 2
+                }};
+            `,
+            options: ["always"],
+            errors: [{ messageId: "expectedBlock" }]
+        },
+        {
+            code: `
+              parsedYears = _map(years, (year) => (
+                  {
+                      index : year,
+                      title : splitYear(year)
+                  }
+              ));
+            `,
+            output: `
+              parsedYears = _map(years, (year) => {
+                  return {
+                      index : year,
+                      title : splitYear(year)
+                  }
+              });
+            `,
+            options: ["always"],
+            errors: [{ messageId: "expectedBlock" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/arrow-parens.js b/eslint/tests/lib/rules/arrow-parens.js
new file mode 100644
index 0000000..3e796c1
--- /dev/null
+++ b/eslint/tests/lib/rules/arrow-parens.js
@@ -0,0 +1,280 @@
+/**
+ * @fileoverview Tests for arrow-parens
+ * @author Jxck
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const baseParser = require("../../fixtures/fixture-parser"),
+    rule = require("../../../lib/rules/arrow-parens"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const parser = baseParser.bind(null, "arrow-parens");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+const valid = [
+
+    // "always" (by default)
+    "() => {}",
+    "(a) => {}",
+    "(a) => a",
+    "(a) => {\n}",
+    "a.then((foo) => {});",
+    "a.then((foo) => { if (true) {}; });",
+    { code: "a.then(async (foo) => { if (true) {}; });", parserOptions: { ecmaVersion: 8 } },
+
+    // "always" (explicit)
+    { code: "() => {}", options: ["always"] },
+    { code: "(a) => {}", options: ["always"] },
+    { code: "(a) => a", options: ["always"] },
+    { code: "(a) => {\n}", options: ["always"] },
+    { code: "a.then((foo) => {});", options: ["always"] },
+    { code: "a.then((foo) => { if (true) {}; });", options: ["always"] },
+    { code: "a.then(async (foo) => { if (true) {}; });", options: ["always"], parserOptions: { ecmaVersion: 8 } },
+
+    // "as-needed"
+    { code: "() => {}", options: ["as-needed"] },
+    { code: "a => {}", options: ["as-needed"] },
+    { code: "a => a", options: ["as-needed"] },
+    { code: "([a, b]) => {}", options: ["as-needed"] },
+    { code: "({ a, b }) => {}", options: ["as-needed"] },
+    { code: "(a = 10) => {}", options: ["as-needed"] },
+    { code: "(...a) => a[0]", options: ["as-needed"] },
+    { code: "(a, b) => {}", options: ["as-needed"] },
+    { code: "async ([a, b]) => {}", options: ["as-needed"], parserOptions: { ecmaVersion: 8 } },
+    { code: "async (a, b) => {}", options: ["as-needed"], parserOptions: { ecmaVersion: 8 } },
+    { code: "(a: T) => a", options: ["as-needed"], parser: parser("identifer-type") },
+    { code: "(a): T => a", options: ["as-needed"], parser: parser("return-type") },
+
+    // "as-needed", { "requireForBlockBody": true }
+    { code: "() => {}", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "a => a", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "([a, b]) => {}", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "([a, b]) => a", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "({ a, b }) => {}", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "({ a, b }) => a + b", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "(a = 10) => {}", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "(...a) => a[0]", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "(a, b) => {}", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "a => ({})", options: ["as-needed", { requireForBlockBody: true }] },
+    { code: "async a => ({})", options: ["as-needed", { requireForBlockBody: true }], parserOptions: { ecmaVersion: 8 } },
+    { code: "async a => a", options: ["as-needed", { requireForBlockBody: true }], parserOptions: { ecmaVersion: 8 } },
+    { code: "(a: T) => a", options: ["as-needed", { requireForBlockBody: true }], parser: parser("identifer-type") },
+    { code: "(a): T => a", options: ["as-needed", { requireForBlockBody: true }], parser: parser("return-type") }
+];
+
+const type = "ArrowFunctionExpression";
+
+const invalid = [
+
+    // "always" (by default)
+    {
+        code: "a => {}",
+        output: "(a) => {}",
+        errors: [{
+            line: 1,
+            column: 1,
+            endColumn: 2,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a => a",
+        output: "(a) => a",
+        errors: [{
+            line: 1,
+            column: 1,
+            endColumn: 2,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a => {\n}",
+        output: "(a) => {\n}",
+        errors: [{
+            line: 1,
+            column: 1,
+            endColumn: 2,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a.then(foo => {});",
+        output: "a.then((foo) => {});",
+        errors: [{
+            line: 1,
+            column: 8,
+            endColumn: 11,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a.then(foo => a);",
+        output: "a.then((foo) => a);",
+        errors: [{
+            line: 1,
+            column: 8,
+            endColumn: 11,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a(foo => { if (true) {}; });",
+        output: "a((foo) => { if (true) {}; });",
+        errors: [{
+            line: 1,
+            column: 3,
+            endColumn: 6,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+    {
+        code: "a(async foo => { if (true) {}; });",
+        output: "a(async (foo) => { if (true) {}; });",
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 9,
+            endColumn: 12,
+            messageId: "expectedParens",
+            type
+        }]
+    },
+
+    // "as-needed"
+    {
+        code: "(a) => a",
+        output: "a => a",
+        options: ["as-needed"],
+        errors: [{
+            line: 1,
+            column: 2,
+            endColumn: 3,
+            messageId: "unexpectedParens",
+            type
+        }]
+    },
+    {
+        code: "(a,) => a",
+        output: "a => a",
+        options: ["as-needed"],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 2,
+            endColumn: 3,
+            messageId: "unexpectedParens",
+            type
+        }]
+    },
+    {
+        code: "async (a) => a",
+        output: "async a => a",
+        options: ["as-needed"],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 8,
+            endColumn: 9,
+            messageId: "unexpectedParens",
+            type
+        }]
+    },
+    {
+        code: "async(a) => a",
+        output: "async a => a",
+        options: ["as-needed"],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 7,
+            endColumn: 8,
+            messageId: "unexpectedParens",
+            type
+        }]
+    },
+
+    // "as-needed", { "requireForBlockBody": true }
+    {
+        code: "a => {}",
+        output: "(a) => {}",
+        options: ["as-needed", { requireForBlockBody: true }],
+        errors: [{
+            line: 1,
+            column: 1,
+            endColumn: 2,
+            messageId: "expectedParensBlock",
+            type
+        }]
+    },
+    {
+        code: "(a) => a",
+        output: "a => a",
+        options: ["as-needed", { requireForBlockBody: true }],
+        errors: [{
+            line: 1,
+            column: 2,
+            endColumn: 3,
+            messageId: "unexpectedParensInline",
+            type
+        }]
+    },
+    {
+        code: "async a => {}",
+        output: "async (a) => {}",
+        options: ["as-needed", { requireForBlockBody: true }],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 7,
+            endColumn: 8,
+            messageId: "expectedParensBlock",
+            type
+        }]
+    },
+    {
+        code: "async (a) => a",
+        output: "async a => a",
+        options: ["as-needed", { requireForBlockBody: true }],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 8,
+            endColumn: 9,
+            messageId: "unexpectedParensInline",
+            type
+        }]
+    },
+    {
+        code: "async(a) => a",
+        output: "async a => a",
+        options: ["as-needed", { requireForBlockBody: true }],
+        parserOptions: { ecmaVersion: 8 },
+        errors: [{
+            line: 1,
+            column: 7,
+            endColumn: 8,
+            messageId: "unexpectedParensInline",
+            type
+        }]
+    }
+];
+
+ruleTester.run("arrow-parens", rule, {
+    valid,
+    invalid
+});
diff --git a/eslint/tests/lib/rules/arrow-spacing.js b/eslint/tests/lib/rules/arrow-spacing.js
new file mode 100644
index 0000000..fe87462
--- /dev/null
+++ b/eslint/tests/lib/rules/arrow-spacing.js
@@ -0,0 +1,313 @@
+/**
+ * @fileoverview Tests for arrow-spacing
+ * @author Jxck
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+//
+
+const rule = require("../../../lib/rules/arrow-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+const valid = [
+    {
+        code: "a => a",
+        options: [{ after: true, before: true }]
+    },
+    {
+        code: "() => {}",
+        options: [{ after: true, before: true }]
+    },
+    {
+        code: "(a) => {}",
+        options: [{ after: true, before: true }]
+    },
+    {
+        code: "a=> a",
+        options: [{ after: true, before: false }]
+    },
+    {
+        code: "()=> {}",
+        options: [{ after: true, before: false }]
+    },
+    {
+        code: "(a)=> {}",
+        options: [{ after: true, before: false }]
+    },
+    {
+        code: "a =>a",
+        options: [{ after: false, before: true }]
+    },
+    {
+        code: "() =>{}",
+        options: [{ after: false, before: true }]
+    },
+    {
+        code: "(a) =>{}",
+        options: [{ after: false, before: true }]
+    },
+    {
+        code: "a=>a",
+        options: [{ after: false, before: false }]
+    },
+    {
+        code: "()=>{}",
+        options: [{ after: false, before: false }]
+    },
+    {
+        code: "(a)=>{}",
+        options: [{ after: false, before: false }]
+    },
+    {
+        code: "a => a",
+        options: [{}]
+    },
+    {
+        code: "() => {}",
+        options: [{}]
+    },
+    {
+        code: "(a) => {}",
+        options: [{}]
+    },
+    "(a) =>\n{}",
+    "(a) =>\r\n{}",
+    "(a) =>\n    0"
+];
+
+
+const invalid = [
+    {
+        code: "a=>a",
+        output: "a => a",
+        options: [{ after: true, before: true }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "expectedBefore" },
+            { column: 4, line: 1, type: "Identifier", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "()=>{}",
+        output: "() => {}",
+        options: [{ after: true, before: true }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 5, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "(a)=>{}",
+        output: "(a) => {}",
+        options: [{ after: true, before: true }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 6, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "a=> a",
+        output: "a =>a",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "expectedBefore" },
+            { column: 5, line: 1, type: "Identifier", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "()=> {}",
+        output: "() =>{}",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 6, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "(a)=> {}",
+        output: "(a) =>{}",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 7, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "a=>  a",
+        output: "a =>a",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "expectedBefore" },
+            { column: 6, line: 1, type: "Identifier", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "()=>  {}",
+        output: "() =>{}",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 7, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "(a)=>  {}",
+        output: "(a) =>{}",
+        options: [{ after: false, before: true }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "expectedBefore" },
+            { column: 8, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "a =>a",
+        output: "a=> a",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "unexpectedBefore" },
+            { column: 5, line: 1, type: "Identifier", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "() =>{}",
+        output: "()=> {}",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 6, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "(a) =>{}",
+        output: "(a)=> {}",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 7, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "a  =>a",
+        output: "a=> a",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "unexpectedBefore" },
+            { column: 6, line: 1, type: "Identifier", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "()  =>{}",
+        output: "()=> {}",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 7, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "(a)  =>{}",
+        output: "(a)=> {}",
+        options: [{ after: true, before: false }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 8, line: 1, type: "Punctuator", messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "a => a",
+        output: "a=>a",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "unexpectedBefore" },
+            { column: 6, line: 1, type: "Identifier", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "() => {}",
+        output: "()=>{}",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 7, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "(a) => {}",
+        output: "(a)=>{}",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 8, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "a  =>  a",
+        output: "a=>a",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 1, line: 1, type: "Identifier", messageId: "unexpectedBefore" },
+            { column: 8, line: 1, type: "Identifier", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "()  =>  {}",
+        output: "()=>{}",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 2, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 9, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "(a)  =>  {}",
+        output: "(a)=>{}",
+        options: [{ after: false, before: false }],
+        errors: [
+            { column: 3, line: 1, type: "Punctuator", messageId: "unexpectedBefore" },
+            { column: 10, line: 1, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+    {
+        code: "(a)  =>\n{}",
+        output: "(a)  =>{}",
+        options: [{ after: false }],
+        errors: [
+            { column: 1, line: 2, type: "Punctuator", messageId: "unexpectedAfter" }
+        ]
+    },
+
+    // https://github.com/eslint/eslint/issues/7079
+    {
+        code: "(a = ()=>0)=>1",
+        output: "(a = () => 0) => 1",
+        errors: [
+            { column: 7, line: 1, messageId: "expectedBefore" },
+            { column: 10, line: 1, messageId: "expectedAfter" },
+            { column: 11, line: 1, messageId: "expectedBefore" },
+            { column: 14, line: 1, messageId: "expectedAfter" }
+        ]
+    },
+    {
+        code: "(a = ()=>0)=>(1)",
+        output: "(a = () => 0) => (1)",
+        errors: [
+            { column: 7, line: 1, messageId: "expectedBefore" },
+            { column: 10, line: 1, messageId: "expectedAfter" },
+            { column: 11, line: 1, messageId: "expectedBefore" },
+            { column: 14, line: 1, messageId: "expectedAfter" }
+        ]
+    }
+];
+
+ruleTester.run("arrow-spacing", rule, {
+    valid,
+    invalid
+});
diff --git a/eslint/tests/lib/rules/block-scoped-var.js b/eslint/tests/lib/rules/block-scoped-var.js
new file mode 100644
index 0000000..596c3ba
--- /dev/null
+++ b/eslint/tests/lib/rules/block-scoped-var.js
@@ -0,0 +1,170 @@
+/**
+ * @fileoverview Tests for block-scoped-var rule
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/block-scoped-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("block-scoped-var", rule, {
+    valid: [
+
+        // See issue https://github.com/eslint/eslint/issues/2242
+        { code: "function f() { } f(); var exports = { f: f };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var f = () => {}; f(); var exports = { f: f };", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        "!function f(){ f; }",
+        "function f() { } f(); var exports = { f: f };",
+        "function f() { var a, b; { a = true; } b = a; }",
+        "var a; function f() { var b = a; }",
+        "function f(a) { }",
+        "!function(a) { };",
+        "!function f(a) { };",
+        "function f(a) { var b = a; }",
+        "!function f(a) { var b = a; };",
+        "function f() { var g = f; }",
+        "function f() { } function g() { var f = g; }",
+        "function f() { var hasOwnProperty; { hasOwnProperty; } }",
+        "function f(){ a; b; var a, b; }",
+        "function f(){ g(); function g(){} }",
+        "if (true) { var a = 1; a; }",
+        "var a; if (true) { a; }",
+        "for (var i = 0; i < 10; i++) { i; }",
+        "var i; for(i; i; i) { i; }",
+        { code: "function myFunc(foo) {  \"use strict\";  var { bar } = foo;  bar.hello();}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function myFunc(foo) {  \"use strict\";  var [ bar ]  = foo;  bar.hello();}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function myFunc(...foo) {  return foo;}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var f = () => { var g = f; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class Foo {}\nexport default Foo;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "new Date", globals: { Date: false } },
+        { code: "new Date", globals: {} },
+        { code: "var eslint = require('eslint');", globals: { require: false } },
+        { code: "var fun = function({x}) {return x;};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var fun = function([,x]) {return x;};", parserOptions: { ecmaVersion: 6 } },
+        "function f(a) { return a.b; }",
+        "var a = { \"foo\": 3 };",
+        "var a = { foo: 3 };",
+        "var a = { foo: 3, bar: 5 };",
+        "var a = { set foo(a){}, get bar(){} };",
+        "function f(a) { return arguments[0]; }",
+        "function f() { }; var a = f;",
+        "var a = f; function f() { };",
+        "function f(){ for(var i; i; i) i; }",
+        "function f(){ for(var a=0, b=1; a; b) a, b; }",
+        "function f(){ for(var a in {}) a; }",
+        "function f(){ switch(2) { case 1: var b = 2; b; break; default: b; break;} }",
+        "a:;",
+        "foo: while (true) { bar: for (var i = 0; i < 13; ++i) {if (i === 7) break foo; } }",
+        "foo: while (true) { bar: for (var i = 0; i < 13; ++i) {if (i === 7) continue foo; } }",
+        { code: "const React = require(\"react/addons\");const cx = React.addons.classSet;", parserOptions: { ecmaVersion: 6, sourceType: "module" }, globals: { require: false } },
+        { code: "var v = 1;  function x() { return v; };", parserOptions: { parserOptions: { ecmaVersion: 6 } } },
+        { code: "import * as y from \"./other.js\"; y();", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import y from \"./other.js\"; y();", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {x as y} from \"./other.js\"; y();", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var x; export {x};", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var x; export {x as v};", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {x} from \"./other.js\";", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {x as v} from \"./other.js\";", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "class Test { myFunction() { return true; }}", parserOptions: { ecmaVersion: 6 } },
+        { code: "class Test { get flag() { return true; }}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var Test = class { myFunction() { return true; }}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var doStuff; let {x: y} = {x: 1}; doStuff(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo({x: y}) { return y; }", parserOptions: { ecmaVersion: 6 } },
+
+        // those are the same as `no-undef`.
+        "!function f(){}; f",
+        "var f = function foo() { }; foo(); var exports = { f: foo };",
+        { code: "var f = () => { x; }", parserOptions: { ecmaVersion: 6 } },
+        "function f(){ x; }",
+        "var eslint = require('eslint');",
+        "function f(a) { return a[b]; }",
+        "function f() { return b.a; }",
+        "var a = { foo: bar };",
+        "var a = { foo: foo };",
+        "var a = { bar: 7, foo: bar };",
+        "var a = arguments;",
+        "function x(){}; var a = arguments;",
+        "function z(b){}; var a = b;",
+        "function z(){var b;}; var a = b;",
+        "function f(){ try{}catch(e){} e }",
+        "a:b;",
+
+        // https://github.com/eslint/eslint/issues/2253
+        { code: "/*global React*/ let {PropTypes, addons: {PureRenderMixin}} = React; let Test = React.createClass({mixins: [PureRenderMixin]});", parserOptions: { ecmaVersion: 6 } },
+        { code: "/*global prevState*/ const { virtualSize: prevVirtualSize = 0 } = prevState;", parserOptions: { ecmaVersion: 6 } },
+        { code: "const { dummy: { data, isLoading }, auth: { isLoggedIn } } = this.props;", parserOptions: { ecmaVersion: 6 } },
+
+        // https://github.com/eslint/eslint/issues/2747
+        "function a(n) { return n > 0 ? b(n - 1) : \"a\"; } function b(n) { return n > 0 ? a(n - 1) : \"b\"; }",
+
+        // https://github.com/eslint/eslint/issues/2967
+        "(function () { foo(); })(); function foo() {}",
+        { code: "(function () { foo(); })(); function foo() {}", parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+    invalid: [
+        { code: "function f(){ x; { var x; } }", errors: [{ messageId: "outOfScope", data: { name: "x" }, type: "Identifier" }] },
+        { code: "function f(){ { var x; } x; }", errors: [{ messageId: "outOfScope", data: { name: "x" }, type: "Identifier" }] },
+        { code: "function f() { var a; { var b = 0; } a = b; }", errors: [{ messageId: "outOfScope", data: { name: "b" }, type: "Identifier" }] },
+        { code: "function f() { try { var a = 0; } catch (e) { var b = a; } }", errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }] },
+        {
+            code: "function a() { for(var b in {}) { var c = b; } c; }",
+            errors: [{ messageId: "outOfScope", data: { name: "c" }, type: "Identifier" }]
+        },
+        {
+            code: "function a() { for(var b of {}) { var c = b; } c; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "outOfScope", data: { name: "c" }, type: "Identifier" }]
+        },
+        {
+            code: "function f(){ switch(2) { case 1: var b = 2; b; break; default: b; break;} b; }",
+            errors: [{ messageId: "outOfScope", data: { name: "b" }, type: "Identifier" }]
+        },
+        {
+            code: "for (var a = 0;;) {} a;",
+            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "for (var a in []) {} a;",
+            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "for (var a of []) {} a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "{ var a = 0; } a;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "if (true) { var a; } a;",
+            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "if (true) { var a = 1; } else { var a = 2; }",
+            errors: [
+                { messageId: "outOfScope", data: { name: "a" }, type: "Identifier" },
+                { messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "for (var i = 0;;) {} for(var i = 0;;) {}",
+            errors: [
+                { messageId: "outOfScope", data: { name: "i" }, type: "Identifier" },
+                { messageId: "outOfScope", data: { name: "i" }, type: "Identifier" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/block-spacing.js b/eslint/tests/lib/rules/block-spacing.js
new file mode 100644
index 0000000..95d9d8c
--- /dev/null
+++ b/eslint/tests/lib/rules/block-spacing.js
@@ -0,0 +1,403 @@
+/**
+ * @fileoverview Tests for block-spacing rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/block-spacing");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("block-spacing", rule, {
+    valid: [
+
+        // default/always
+        { code: "{ foo(); }", options: ["always"] },
+        "{ foo(); }",
+        "{ foo();\n}",
+        "{\nfoo(); }",
+        "{\r\nfoo();\r\n}",
+        "if (a) { foo(); }",
+        "if (a) {} else { foo(); }",
+        "switch (a) {}",
+        "switch (a) { case 0: foo(); }",
+        "while (a) { foo(); }",
+        "do { foo(); } while (a);",
+        "for (;;) { foo(); }",
+        "for (var a in b) { foo(); }",
+        { code: "for (var a of b) { foo(); }", parserOptions: { ecmaVersion: 6 } },
+        "try { foo(); } catch (e) { foo(); }",
+        "function foo() { bar(); }",
+        "(function() { bar(); });",
+        { code: "(() => { bar(); });", parserOptions: { ecmaVersion: 6 } },
+        "if (a) { /* comment */ foo(); /* comment */ }",
+        "if (a) { //comment\n foo(); }",
+
+        // never
+        { code: "{foo();}", options: ["never"] },
+        { code: "{foo();\n}", options: ["never"] },
+        { code: "{\nfoo();}", options: ["never"] },
+        { code: "{\r\nfoo();\r\n}", options: ["never"] },
+        { code: "if (a) {foo();}", options: ["never"] },
+        { code: "if (a) {} else {foo();}", options: ["never"] },
+        { code: "switch (a) {}", options: ["never"] },
+        { code: "switch (a) {case 0: foo();}", options: ["never"] },
+        { code: "while (a) {foo();}", options: ["never"] },
+        { code: "do {foo();} while (a);", options: ["never"] },
+        { code: "for (;;) {foo();}", options: ["never"] },
+        { code: "for (var a in b) {foo();}", options: ["never"] },
+        { code: "for (var a of b) {foo();}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "try {foo();} catch (e) {foo();}", options: ["never"] },
+        { code: "function foo() {bar();}", options: ["never"] },
+        { code: "(function() {bar();});", options: ["never"] },
+        { code: "(() => {bar();});", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "if (a) {/* comment */ foo(); /* comment */}", options: ["never"] },
+        { code: "if (a) { //comment\n foo();}", options: ["never"] }
+    ],
+
+    invalid: [
+
+        // default/always
+        {
+            code: "{foo();}",
+            output: "{ foo(); }",
+            options: ["always"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{foo();}",
+            output: "{ foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{ foo();}",
+            output: "{ foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 9, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{foo(); }",
+            output: "{ foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "missing", data: { location: "after", token: "{" } }
+            ]
+        },
+        {
+            code: "{\nfoo();}",
+            output: "{\nfoo(); }",
+            errors: [
+                { type: "BlockStatement", line: 2, column: 7, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{foo();\n}",
+            output: "{ foo();\n}",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "missing", data: { location: "after", token: "{" } }
+            ]
+        },
+        {
+            code: "if (a) {foo();}",
+            output: "if (a) { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 15, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "if (a) {} else {foo();}",
+            output: "if (a) {} else { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 16, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 23, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "switch (a) {case 0: foo();}",
+            output: "switch (a) { case 0: foo(); }",
+            errors: [
+                { type: "SwitchStatement", line: 1, column: 12, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "SwitchStatement", line: 1, column: 27, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "while (a) {foo();}",
+            output: "while (a) { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 11, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 18, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "do {foo();} while (a);",
+            output: "do { foo(); } while (a);",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 4, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 11, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (;;) {foo();}",
+            output: "for (;;) { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 10, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 17, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (var a in b) {foo();}",
+            output: "for (var a in b) { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 18, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 25, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (var a of b) {foo();}",
+            output: "for (var a of b) { foo(); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 18, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 25, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "try {foo();} catch (e) {foo();} finally {foo();}",
+            output: "try { foo(); } catch (e) { foo(); } finally { foo(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 5, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 12, messageId: "missing", data: { location: "before", token: "}" } },
+                { type: "BlockStatement", line: 1, column: 24, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 31, messageId: "missing", data: { location: "before", token: "}" } },
+                { type: "BlockStatement", line: 1, column: 41, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 48, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "function foo() {bar();}",
+            output: "function foo() { bar(); }",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 16, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 23, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "(function() {bar();});",
+            output: "(function() { bar(); });",
+            errors: [
+                { type: "BlockStatement", line: 1, column: 13, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 20, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "(() => {bar();});",
+            output: "(() => { bar(); });",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 15, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "if (a) {/* comment */ foo(); /* comment */}",
+            output: "if (a) { /* comment */ foo(); /* comment */ }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 43, messageId: "missing", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "if (a) {//comment\n foo(); }",
+            output: "if (a) { //comment\n foo(); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "missing", data: { location: "after", token: "{" } }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // never
+        {
+            code: "{ foo(); }",
+            output: "{foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 10, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{ foo();}",
+            output: "{foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "extra", data: { location: "after", token: "{" } }
+            ]
+        },
+        {
+            code: "{foo(); }",
+            output: "{foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 9, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{\nfoo(); }",
+            output: "{\nfoo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 2, column: 8, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "{ foo();\n}",
+            output: "{foo();\n}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 1, messageId: "extra", data: { location: "after", token: "{" } }
+            ]
+        },
+        {
+            code: "if (a) { foo(); }",
+            output: "if (a) {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 17, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "if (a) {} else { foo(); }",
+            output: "if (a) {} else {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 16, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 25, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "switch (a) { case 0: foo(); }",
+            output: "switch (a) {case 0: foo();}",
+            options: ["never"],
+            errors: [
+                { type: "SwitchStatement", line: 1, column: 12, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "SwitchStatement", line: 1, column: 29, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "while (a) { foo(); }",
+            output: "while (a) {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 11, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 20, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "do { foo(); } while (a);",
+            output: "do {foo();} while (a);",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 4, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 13, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (;;) { foo(); }",
+            output: "for (;;) {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 10, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 19, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (var a in b) { foo(); }",
+            output: "for (var a in b) {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 18, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 27, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "for (var a of b) { foo(); }",
+            output: "for (var a of b) {foo();}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 18, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 27, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "try { foo(); } catch (e) { foo(); } finally { foo(); }",
+            output: "try {foo();} catch (e) {foo();} finally {foo();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 5, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 14, messageId: "extra", data: { location: "before", token: "}" } },
+                { type: "BlockStatement", line: 1, column: 26, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 35, messageId: "extra", data: { location: "before", token: "}" } },
+                { type: "BlockStatement", line: 1, column: 45, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 54, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "function foo() { bar(); }",
+            output: "function foo() {bar();}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 16, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 25, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "(function() { bar(); });",
+            output: "(function() {bar();});",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 13, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 22, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "(() => { bar(); });",
+            output: "(() => {bar();});",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 17, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        },
+        {
+            code: "if (a) { /* comment */ foo(); /* comment */ }",
+            output: "if (a) {/* comment */ foo(); /* comment */}",
+            options: ["never"],
+            errors: [
+                { type: "BlockStatement", line: 1, column: 8, messageId: "extra", data: { location: "after", token: "{" } },
+                { type: "BlockStatement", line: 1, column: 45, messageId: "extra", data: { location: "before", token: "}" } }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/brace-style.js b/eslint/tests/lib/rules/brace-style.js
new file mode 100644
index 0000000..7021160
--- /dev/null
+++ b/eslint/tests/lib/rules/brace-style.js
@@ -0,0 +1,669 @@
+/**
+ * @fileoverview Tests for one-true-brace rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/brace-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("brace-style", rule, {
+    valid: [
+        "function f() {\n" +
+        "   if (true)\n" +
+        "       return {x: 1}\n" +
+        "   else {\n" +
+        "       var y = 2\n" +
+        "       return y\n" +
+        "   }\n" +
+        "}",
+        "if (tag === 1) glyph.id = pbf.readVarint();\nelse if (tag === 2) glyph.bitmap = pbf.readBytes();",
+        "function foo () { \nreturn; \n}",
+        "function a(b,\nc,\nd) { }",
+        "!function foo () { \nreturn;\n }",
+        "!function a(b,\nc,\nd) { }",
+        "if (foo) { \n bar(); \n}",
+        "if (a) { \nb();\n } else { \nc();\n }",
+        "while (foo) { \n bar();\n }",
+        "for (;;) { \n bar(); \n}",
+        "with (foo) { \n bar(); \n}",
+        "switch (foo) { \n case \"bar\": break;\n }",
+        "try { \n bar();\n } catch (e) {\n baz(); \n }",
+        "do { \n bar();\n } while (true)",
+        "for (foo in bar) { \n baz(); \n }",
+        "if (a &&\n b &&\n c) { \n }",
+        "switch(0) {\n}",
+        "class Foo {\n}",
+        "(class {\n})",
+        "class\nFoo {\n}",
+        `
+            class Foo {
+                bar() {
+
+                }
+            }
+        `,
+        { code: "if (foo) {\n}\nelse {\n}", options: ["stroustrup"] },
+        { code: "if (foo)\n{\n}\nelse\n{\n}", options: ["allman"] },
+        { code: "try { \n bar();\n }\ncatch (e) {\n baz(); \n }", options: ["stroustrup"] },
+        { code: "try\n{\n bar();\n}\ncatch (e)\n{\n baz(); \n}", options: ["allman"] },
+
+        // allowSingleLine: true
+        { code: "function foo () { return; }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "function foo () { a(); b(); return; }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "function a(b,c,d) { }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "!function foo () { return; }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "!function a(b,c,d) { }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "if (foo) {  bar(); }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "if (a) { b(); } else { c(); }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "while (foo) {  bar(); }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "for (;;) {  bar(); }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "with (foo) {  bar(); }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "switch (foo) {  case \"bar\": break; }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "try {  bar(); } catch (e) { baz();  }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "do {  bar(); } while (true)", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "for (foo in bar) {  baz();  }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "if (a && b && c) {  }", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "switch(0) {}", options: ["1tbs", { allowSingleLine: true }] },
+        { code: "if (foo) {}\nelse {}", options: ["stroustrup", { allowSingleLine: true }] },
+        { code: "try {  bar(); }\ncatch (e) { baz();  }", options: ["stroustrup", { allowSingleLine: true }] },
+        { code: "var foo = () => { return; }", options: ["stroustrup", { allowSingleLine: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "if (foo) {}\nelse {}", options: ["allman", { allowSingleLine: true }] },
+        { code: "try {  bar(); }\ncatch (e) { baz();  }", options: ["allman", { allowSingleLine: true }] },
+        { code: "var foo = () => { return; }", options: ["allman", { allowSingleLine: true }], parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "if (foo) { baz(); } else {\n  boom();\n}",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "if (foo) { baz(); } else if (bar) {\n  boom();\n}",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "if (foo) { baz(); } else\nif (bar) {\n  boom();\n}",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "try { somethingRisky(); } catch(e) {\n  handleError();\n}",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "if (tag === 1) fontstack.name = pbf.readString(); \nelse if (tag === 2) fontstack.range = pbf.readString(); \nelse if (tag === 3) {\n var glyph = pbf.readMessage(readGlyph, {});\n fontstack.glyphs[glyph.id] = glyph; \n}",
+            options: ["1tbs"]
+        },
+        {
+            code: "if (tag === 1) fontstack.name = pbf.readString(); \nelse if (tag === 2) fontstack.range = pbf.readString(); \nelse if (tag === 3) {\n var glyph = pbf.readMessage(readGlyph, {});\n fontstack.glyphs[glyph.id] = glyph; \n}",
+            options: ["stroustrup"]
+        },
+        {
+            code: "switch(x) \n{ \n case 1: \nbar(); \n }\n ",
+            options: ["allman"]
+        },
+        {
+            code: "switch(x) {}",
+            options: ["allman", { allowSingleLine: true }]
+        },
+        {
+            code: "class Foo {\n}",
+            options: ["stroustrup"]
+        },
+        {
+            code: "(class {\n})",
+            options: ["stroustrup"]
+        },
+        {
+            code: "class Foo\n{\n}",
+            options: ["allman"]
+        },
+        {
+            code: "(class\n{\n})",
+            options: ["allman"]
+        },
+        {
+            code: "class\nFoo\n{\n}",
+            options: ["allman"]
+        },
+        {
+            code: "class Foo {}",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "class Foo {}",
+            options: ["allman", { allowSingleLine: true }]
+        },
+        {
+            code: "(class {})",
+            options: ["1tbs", { allowSingleLine: true }]
+        },
+        {
+            code: "(class {})",
+            options: ["allman", { allowSingleLine: true }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7908
+        "{}",
+        `
+            if (foo) {
+
+            }
+
+            {
+
+            }
+        `,
+        `
+            switch (foo) {
+                case bar:
+                    baz();
+                    {
+                        qux();
+                    }
+            }
+        `,
+        `
+            {
+            }
+        `,
+        `
+            {
+                {
+                }
+            }
+        `,
+
+        // https://github.com/eslint/eslint/issues/7974
+        `
+          class Ball {
+            throw() {}
+            catch() {}
+          }
+        `,
+        `
+          ({
+            and() {},
+            finally() {}
+          })
+        `,
+        `
+          (class {
+            or() {}
+            else() {}
+          })
+        `,
+        `
+          if (foo) bar = function() {}
+          else baz()
+        `
+    ],
+
+    invalid: [
+        {
+            code: "if (f) {\nbar;\n}\nelse\nbaz;",
+            output: "if (f) {\nbar;\n} else\nbaz;",
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "var foo = () => { return; }",
+            output: "var foo = () => {\n return; \n}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "function foo() { return; }",
+            output: "function foo() {\n return; \n}",
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "function foo() \n { \n return; }",
+            output: "function foo() { \n return; \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "!function foo() \n { \n return; }",
+            output: "!function foo() { \n return; \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo) \n { \n bar(); }",
+            output: "if (foo) { \n bar(); \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { \nb();\n } else \n { c(); }",
+            output: "if (a) { \nb();\n } else {\n c(); \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "blockSameLine", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "while (foo) \n { \n bar(); }",
+            output: "while (foo) { \n bar(); \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "for (;;) \n { \n bar(); }",
+            output: "for (;;) { \n bar(); \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "with (foo) \n { \n bar(); }",
+            output: "with (foo) { \n bar(); \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "switch (foo) \n { \n case \"bar\": break; }",
+            output: "switch (foo) { \n case \"bar\": break; \n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "switch (foo) \n { }",
+            output: "switch (foo) { }",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try \n { \n bar(); \n } catch (e) {}",
+            output: "try { \n bar(); \n } catch (e) {}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) \n {}",
+            output: "try { \n bar(); \n } catch (e) {}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "do \n { \n bar(); \n} while (true)",
+            output: "do { \n bar(); \n} while (true)",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "for (foo in bar) \n { \n baz(); \n }",
+            output: "for (foo in bar) { \n baz(); \n }",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "for (foo of bar) \n { \n baz(); \n }",
+            output: "for (foo of bar) { \n baz(); \n }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n }\ncatch (e) {\n}",
+            output: "try { \n bar(); \n } catch (e) {\n}",
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) {\n}\n finally {\n}",
+            output: "try { \n bar(); \n } catch (e) {\n} finally {\n}",
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { \nb();\n } \n else { \nc();\n }",
+            output: "if (a) { \nb();\n } else { \nc();\n }",
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n }\ncatch (e) {\n} finally {\n}",
+            output: "try { \n bar(); \n }\ncatch (e) {\n}\n finally {\n}",
+            options: ["stroustrup"],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) {\n}\n finally {\n}",
+            output: "try { \n bar(); \n }\n catch (e) {\n}\n finally {\n}",
+            options: ["stroustrup"],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { \nb();\n } else { \nc();\n }",
+            output: "if (a) { \nb();\n }\n else { \nc();\n }",
+            options: ["stroustrup"],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo) {\nbaz();\n} else if (bar) {\nbaz();\n}\nelse {\nqux();\n}",
+            output: "if (foo) {\nbaz();\n}\n else if (bar) {\nbaz();\n}\nelse {\nqux();\n}",
+            options: ["stroustrup"],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo) {\npoop();\n} \nelse if (bar) {\nbaz();\n} else if (thing) {\nboom();\n}\nelse {\nqux();\n}",
+            output: "if (foo) {\npoop();\n} \nelse if (bar) {\nbaz();\n}\n else if (thing) {\nboom();\n}\nelse {\nqux();\n}",
+            options: ["stroustrup"],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n }\n catch (e) {\n}\n finally {\n}",
+            output: "try \n{ \n bar(); \n }\n catch (e) \n{\n}\n finally \n{\n}",
+            options: ["allman"],
+            errors: [
+                { messageId: "sameLineOpen", type: "Punctuator", line: 1 },
+                { messageId: "sameLineOpen", type: "Punctuator", line: 4 },
+                { messageId: "sameLineOpen", type: "Punctuator", line: 6 }
+            ]
+        },
+        {
+            code: "switch(x) { case 1: \nbar(); }\n ",
+            output: "switch(x) \n{\n case 1: \nbar(); \n}\n ",
+            options: ["allman"],
+            errors: [
+                { messageId: "sameLineOpen", type: "Punctuator", line: 1 },
+                { messageId: "blockSameLine", type: "Punctuator", line: 1 },
+                { messageId: "singleLineClose", type: "Punctuator", line: 2 }
+            ]
+        },
+        {
+            code: "if (a) { \nb();\n } else { \nc();\n }",
+            output: "if (a) \n{ \nb();\n }\n else \n{ \nc();\n }",
+            options: ["allman"],
+            errors: [
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineClose", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" }
+            ]
+        },
+        {
+            code: "if (foo) {\nbaz();\n} else if (bar) {\nbaz();\n}\nelse {\nqux();\n}",
+            output: "if (foo) \n{\nbaz();\n}\n else if (bar) \n{\nbaz();\n}\nelse \n{\nqux();\n}",
+            options: ["allman"],
+            errors: [
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineClose", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" }
+            ]
+        },
+        {
+            code: "if (foo)\n{ poop();\n} \nelse if (bar) {\nbaz();\n} else if (thing) {\nboom();\n}\nelse {\nqux();\n}",
+            output: "if (foo)\n{\n poop();\n} \nelse if (bar) \n{\nbaz();\n}\n else if (thing) \n{\nboom();\n}\nelse \n{\nqux();\n}",
+            options: ["allman"],
+            errors: [
+                { messageId: "blockSameLine", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineClose", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" }
+            ]
+        },
+        {
+            code: "if (foo)\n{\n  bar(); }",
+            output: "if (foo)\n{\n  bar(); \n}",
+            options: ["allman"],
+            errors: [
+                { messageId: "singleLineClose", type: "Punctuator" }
+            ]
+        },
+        {
+            code: "try\n{\n  somethingRisky();\n} catch (e)\n{\n  handleError()\n}",
+            output: "try\n{\n  somethingRisky();\n}\n catch (e)\n{\n  handleError()\n}",
+            options: ["allman"],
+            errors: [
+                { messageId: "sameLineClose", type: "Punctuator" }
+            ]
+        },
+
+        // allowSingleLine: true
+        {
+            code: "function foo() { return; \n}",
+            output: "function foo() {\n return; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }]
+        },
+        {
+            code: "function foo() { a(); b(); return; \n}",
+            output: "function foo() {\n a(); b(); return; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }]
+        },
+        {
+            code: "function foo() { \n return; }",
+            output: "function foo() { \n return; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "function foo() {\na();\nb();\nreturn; }",
+            output: "function foo() {\na();\nb();\nreturn; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "!function foo() { \n return; }",
+            output: "!function foo() { \n return; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { b();\n } else { c(); }",
+            output: "if (a) {\n b();\n } else { c(); }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { b(); }\nelse { c(); }",
+            output: "if (a) { b(); } else { c(); }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "while (foo) { \n bar(); }",
+            output: "while (foo) { \n bar(); \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "for (;;) { bar(); \n }",
+            output: "for (;;) {\n bar(); \n }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }]
+        },
+        {
+            code: "with (foo) { bar(); \n }",
+            output: "with (foo) {\n bar(); \n }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }]
+        },
+        {
+            code: "switch (foo) \n { \n case \"bar\": break; }",
+            output: "switch (foo) { \n case \"bar\": break; \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "switch (foo) \n { }",
+            output: "switch (foo) { }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try {  bar(); }\ncatch (e) { baz();  }",
+            output: "try {  bar(); } catch (e) { baz();  }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try \n { \n bar(); \n } catch (e) {}",
+            output: "try { \n bar(); \n } catch (e) {}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) \n {}",
+            output: "try { \n bar(); \n } catch (e) {}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "do \n { \n bar(); \n} while (true)",
+            output: "do { \n bar(); \n} while (true)",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "for (foo in bar) \n { \n baz(); \n }",
+            output: "for (foo in bar) { \n baz(); \n }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n }\ncatch (e) {\n}",
+            output: "try { \n bar(); \n } catch (e) {\n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) {\n}\n finally {\n}",
+            output: "try { \n bar(); \n } catch (e) {\n} finally {\n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { \nb();\n } \n else { \nc();\n }",
+            output: "if (a) { \nb();\n } else { \nc();\n }",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "nextLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n }\ncatch (e) {\n} finally {\n}",
+            output: "try { \n bar(); \n }\ncatch (e) {\n}\n finally {\n}",
+            options: ["stroustrup", { allowSingleLine: true }],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "try { \n bar(); \n } catch (e) {\n}\n finally {\n}",
+            output: "try { \n bar(); \n }\n catch (e) {\n}\n finally {\n}",
+            options: ["stroustrup", { allowSingleLine: true }],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (a) { \nb();\n } else { \nc();\n }",
+            output: "if (a) { \nb();\n }\n else { \nc();\n }",
+            options: ["stroustrup", { allowSingleLine: true }],
+            errors: [{ messageId: "sameLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo)\n{ poop();\n} \nelse if (bar) {\nbaz();\n} else if (thing) {\nboom();\n}\nelse {\nqux();\n}",
+            output: "if (foo)\n{\n poop();\n} \nelse if (bar) \n{\nbaz();\n}\n else if (thing) \n{\nboom();\n}\nelse \n{\nqux();\n}",
+            options: ["allman", { allowSingleLine: true }],
+            errors: [
+                { messageId: "blockSameLine", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineClose", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "sameLineOpen", type: "Punctuator" }
+            ]
+        },
+
+        // Comment interferes with fix
+        {
+            code: "if (foo) // comment \n{\nbar();\n}",
+            output: null,
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7493
+        {
+            code: "if (foo) {\n bar\n.baz }",
+            output: "if (foo) {\n bar\n.baz \n}",
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo)\n{\n bar\n.baz }",
+            output: "if (foo)\n{\n bar\n.baz \n}",
+            options: ["allman"],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo) { bar\n.baz }",
+            output: "if (foo) {\n bar\n.baz \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "blockSameLine", type: "Punctuator" }, { messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "if (foo) { bar\n.baz }",
+            output: "if (foo) \n{\n bar\n.baz \n}",
+            options: ["allman", { allowSingleLine: true }],
+            errors: [
+                { messageId: "sameLineOpen", type: "Punctuator" },
+                { messageId: "blockSameLine", type: "Punctuator" },
+                { messageId: "singleLineClose", type: "Punctuator" }
+            ]
+        },
+        {
+            code: "switch (x) {\n case 1: foo() }",
+            output: "switch (x) {\n case 1: foo() \n}",
+            options: ["1tbs", { allowSingleLine: true }],
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "class Foo\n{\n}",
+            output: "class Foo {\n}",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "(class\n{\n})",
+            output: "(class {\n})",
+            errors: [{ messageId: "nextLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "class Foo{\n}",
+            output: "class Foo\n{\n}",
+            options: ["allman"],
+            errors: [{ messageId: "sameLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "(class {\n})",
+            output: "(class \n{\n})",
+            options: ["allman"],
+            errors: [{ messageId: "sameLineOpen", type: "Punctuator" }]
+        },
+        {
+            code: "class Foo {\nbar() {\n}}",
+            output: "class Foo {\nbar() {\n}\n}",
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "(class Foo {\nbar() {\n}})",
+            output: "(class Foo {\nbar() {\n}\n})",
+            errors: [{ messageId: "singleLineClose", type: "Punctuator" }]
+        },
+        {
+            code: "class\nFoo{}",
+            output: "class\nFoo\n{}",
+            options: ["allman"],
+            errors: [{ messageId: "sameLineOpen", type: "Punctuator" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7621
+        {
+            code: `
+                if (foo)
+                {
+                    bar
+                }
+                else {
+                    baz
+                }
+            `,
+            output: `
+                if (foo) {
+                    bar
+                } else {
+                    baz
+                }
+            `,
+            errors: [
+                { messageId: "nextLineOpen", type: "Punctuator" },
+                { messageId: "nextLineClose", type: "Punctuator" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/callback-return.js b/eslint/tests/lib/rules/callback-return.js
new file mode 100644
index 0000000..1f17ef6
--- /dev/null
+++ b/eslint/tests/lib/rules/callback-return.js
@@ -0,0 +1,483 @@
+/**
+ * @fileoverview Tests for callback return rule.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/callback-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("callback-return", rule, {
+    valid: [
+
+        // callbacks inside of functions should return
+        "function a(err) { if (err) return callback (err); }",
+        "function a(err) { if (err) return callback (err); callback(); }",
+        "function a(err) { if (err) { return callback (err); } callback(); }",
+        "function a(err) { if (err) { return /* confusing comment */ callback (err); } callback(); }",
+        "function x(err) { if (err) { callback(); return; } }",
+        "function x(err) { if (err) { \n log();\n callback(); return; } }",
+        "function x(err) { if (err) { callback(); return; } return callback(); }",
+        "function x(err) { if (err) { return callback(); } else { return callback(); } }",
+        "function x(err) { if (err) { return callback(); } else if (x) { return callback(); } }",
+        "function x(err) { if (err) return callback(); else return callback(); }",
+        "function x(cb) { cb && cb(); }",
+        "function x(next) { typeof next !== 'undefined' && next(); }",
+        "function x(next) { if (typeof next === 'function')  { return next() } }",
+        "function x() { switch(x) { case 'a': return next(); } }",
+        "function x() { for(x = 0; x < 10; x++) { return next(); } }",
+        "function x() { while(x) { return next(); } }",
+        "function a(err) { if (err) { obj.method (err); } }",
+
+        // callback() all you want outside of a function
+        "callback()",
+        "callback(); callback();",
+        "while(x) { move(); }",
+        "for (var i = 0; i < 10; i++) { move(); }",
+        "for (var i = 0; i < 10; i++) move();",
+        "if (x) callback();",
+        "if (x) { callback(); }",
+
+        // arrow functions
+        {
+            code: "var x = err => { if (err) { callback(); return; } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var x = err => callback(err)",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var x = err => { setTimeout( () => { callback(); }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // classes
+        {
+            code: "class x { horse() { callback(); } } ",
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "class x { horse() { if (err) { return callback(); } callback(); } } ",
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // options (only warns with the correct callback name)
+        {
+            code: "function a(err) { if (err) { callback(err) } }",
+            options: [["cb"]]
+        },
+        {
+            code: "function a(err) { if (err) { callback(err) } next(); }",
+            options: [["cb", "next"]]
+        },
+        {
+            code: "function a(err) { if (err) { return next(err) } else { callback(); } }",
+            options: [["cb", "next"]]
+        },
+
+        // allow object methods (https://github.com/eslint/eslint/issues/4711)
+        {
+            code: "function a(err) { if (err) { return obj.method(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { return obj.prop.method(err); } }",
+            options: [["obj.prop.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { return obj.prop.method(err); } otherObj.prop.method() }",
+            options: [["obj.prop.method", "otherObj.prop.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { callback(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { otherObj.method(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { //comment\nreturn obj.method(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { /*comment*/return obj.method(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { return obj.method(err); //comment\n } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { return obj.method(err); /*comment*/ } }",
+            options: [["obj.method"]]
+        },
+
+        // only warns if object of MemberExpression is an Identifier
+        {
+            code: "function a(err) { if (err) { obj().method(err); } }",
+            options: [["obj().method"]]
+        },
+        {
+            code: "function a(err) { if (err) { obj.prop().method(err); } }",
+            options: [["obj.prop().method"]]
+        },
+        {
+            code: "function a(err) { if (err) { obj().prop.method(err); } }",
+            options: [["obj().prop.method"]]
+        },
+
+        // does not warn if object of MemberExpression is invoked
+        {
+            code: "function a(err) { if (err) { obj().method(err); } }",
+            options: [["obj.method"]]
+        },
+        {
+            code: "function a(err) { if (err) { obj().method(err); } obj.method(); }",
+            options: [["obj.method"]]
+        },
+
+        //  known bad examples that we know we are ignoring
+        "function x(err) { if (err) { setTimeout(callback, 0); } callback(); }", // callback() called twice
+        "function x(err) { if (err) { process.nextTick(function(err) { callback(); }); } callback(); }" // callback() called twice
+
+    ],
+    invalid: [
+        {
+            code: "function a(err) { if (err) { callback (err); } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 30,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(callback) { if (typeof callback !== 'undefined') { callback(); } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 63,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(callback) { if (typeof callback !== 'undefined') callback();  }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 61,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(callback) { if (err) { callback(); horse && horse(); } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 35,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var x = (err) => { if (err) { callback (err); } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 31,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var x = { x(err) { if (err) { callback (err); } } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 31,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function x(err) { if (err) {\n log();\n callback(err); } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 3,
+                column: 2,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var x = { x(err) { if (err) { callback && callback (err); } } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 43,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(err) { callback (err); callback(); }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 19,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(err) { callback (err); horse(); }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 19,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(err) { if (err) { callback (err); horse(); return; } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 30,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var a = (err) => { callback (err); callback(); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 20,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function a(err) { if (err) { callback (err); } else if (x) { callback(err); return; } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 30,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function x(err) { if (err) { return callback(); }\nelse if (abc) {\ncallback(); }\nelse {\nreturn callback(); } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 3,
+                column: 1,
+                type: "CallExpression"
+
+            }]
+        },
+        {
+            code: "class x { horse() { if (err) { callback(); } callback(); } } ",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 32,
+                type: "CallExpression"
+            }]
+        },
+
+
+        // generally good behavior which we must not allow to keep the rule simple
+        {
+            code: "function x(err) { if (err) { callback() } else { callback() } }",
+            errors: [{
+                messageId: "missingReturn",
+                line: 1,
+                column: 30,
+                type: "CallExpression"
+            }, {
+                messageId: "missingReturn",
+                line: 1,
+                column: 50,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "function x(err) { if (err) return callback(); else callback(); }",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 52,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "() => { if (x) { callback(); } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 18,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function b() { switch(x) { case 'horse': callback(); } }",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 42,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a() { switch(x) { case 'horse': move(); } }",
+            options: [["move"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 42,
+                    type: "CallExpression"
+                }
+            ]
+        },
+
+        // loops
+        {
+            code: "var x = function() { while(x) { move(); } }",
+            options: [["move"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 33,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function x() { for (var i = 0; i < 10; i++) { move(); } }",
+            options: [["move"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 47,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var x = function() { for (var i = 0; i < 10; i++) move(); }",
+            options: [["move"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 51,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { obj.method(err); } }",
+            options: [["obj.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 30,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { obj.prop.method(err); } }",
+            options: [["obj.prop.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 30,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { obj.prop.method(err); } otherObj.prop.method() }",
+            options: [["obj.prop.method", "otherObj.prop.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 30,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { /*comment*/obj.method(err); } }",
+            options: [["obj.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 41,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { //comment\nobj.method(err); } }",
+            options: [["obj.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 2,
+                    column: 1,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { obj.method(err); /*comment*/ } }",
+            options: [["obj.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 30,
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(err) { if (err) { obj.method(err); //comment\n } }",
+            options: [["obj.method"]],
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    line: 1,
+                    column: 30,
+                    type: "CallExpression"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/camelcase.js b/eslint/tests/lib/rules/camelcase.js
new file mode 100644
index 0000000..1e3eecc
--- /dev/null
+++ b/eslint/tests/lib/rules/camelcase.js
@@ -0,0 +1,951 @@
+/**
+ * @fileoverview Tests for camelcase rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/camelcase"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("camelcase", rule, {
+    valid: [
+        "firstName = \"Nicholas\"",
+        "FIRST_NAME = \"Nicholas\"",
+        "__myPrivateVariable = \"Patrick\"",
+        "myPrivateVariable_ = \"Patrick\"",
+        "function doSomething(){}",
+        "do_something()",
+        "new do_something",
+        "new do_something()",
+        "foo.do_something()",
+        "var foo = bar.baz_boom;",
+        "var foo = bar.baz_boom.something;",
+        "foo.boom_pow.qux = bar.baz_boom.something;",
+        "if (bar.baz_boom) {}",
+        "var obj = { key: foo.bar_baz };",
+        "var arr = [foo.bar_baz];",
+        "[foo.bar_baz]",
+        "var arr = [foo.bar_baz.qux];",
+        "[foo.bar_baz.nesting]",
+        "if (foo.bar_baz === boom.bam_pow) { [foo.baz_boom] }",
+        {
+            code: "var o = {key: 1}",
+            options: [{ properties: "always" }]
+        },
+        {
+            code: "var o = {_leading: 1}",
+            options: [{ properties: "always" }]
+        },
+        {
+            code: "var o = {trailing_: 1}",
+            options: [{ properties: "always" }]
+        },
+        {
+            code: "var o = {bar_baz: 1}",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "var o = {_leading: 1}",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "var o = {trailing_: 1}",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "obj.a_b = 2;",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "obj._a = 2;",
+            options: [{ properties: "always" }]
+        },
+        {
+            code: "obj.a_ = 2;",
+            options: [{ properties: "always" }]
+        },
+        {
+            code: "obj._a = 2;",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "obj.a_ = 2;",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "var obj = {\n a_a: 1 \n};\n obj.a_b = 2;",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "obj.foo_bar = function(){};",
+            options: [{ properties: "never" }]
+        },
+        {
+            code: "const { ['foo']: _foo } = obj;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const { [_foo_]: foo } = obj;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id: category_id } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id = 1 } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { [{category_id} = query]: categoryId } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id: category } = query;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { _leading } = query;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { trailing_ } = query;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "import { camelCased } from \"external module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { _leading } from \"external module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { trailing_ } from \"external module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { no_camelcased as camelCased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { no_camelcased as _leading } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { no_camelcased as trailing_ } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { no_camelcased as camelCased, anotherCamelCased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { snake_cased } from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import { camelCased } from 'mod'",
+            options: [{ ignoreImports: false }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "function foo({ no_camelcased: camelCased }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ no_camelcased: _leading }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ no_camelcased: trailing_ }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ camelCased = 'default value' }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ _leading = 'default value' }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ trailing_ = 'default value' }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ camelCased }) {};",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ _leading }) {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ trailing_ }) {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "ignored_foo = 0;",
+            options: [{ allow: ["ignored_foo"] }]
+        },
+        {
+            code: "ignored_foo = 0; ignored_bar = 1;",
+            options: [{ allow: ["ignored_foo", "ignored_bar"] }]
+        },
+        {
+            code: "user_id = 0;",
+            options: [{ allow: ["_id$"] }]
+        },
+        {
+            code: "__option_foo__ = 0;",
+            options: [{ allow: ["__option_foo__"] }]
+        },
+        {
+            code: "foo = { [computedBar]: 0 };",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ a: obj.fo_o } = bar);",
+            options: [{ allow: ["fo_o"] }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ a: obj.foo } = bar);",
+            options: [{ allow: ["fo_o"] }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ a: obj.fo_o } = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ a: obj.fo_o.b_ar } = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ a: { b: obj.fo_o } } = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "([obj.fo_o] = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ c: [ob.fo_o]} = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "([obj.fo_o.b_ar] = bar);",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({obj} = baz.fo_o);",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "([obj] = baz.fo_o);",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "([obj.foo = obj.fo_o] = bar);",
+            options: [{ properties: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "first_name = \"Nicholas\"",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "first_name" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "__private_first_name = \"Patrick\"",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "__private_first_name" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo_bar(){}",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "foo_bar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "obj.foo_bar = function(){};",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "foo_bar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "bar_baz.foo = function(){};",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "[foo_bar.baz]",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "foo_bar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "if (foo.bar_baz === boom.bam_pow) { [foo_bar.baz] }",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "foo_bar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "foo.bar_baz = boom.bam_pow",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar_baz: boom.bam_pow }",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar_baz: boom.bam_pow }",
+            options: [{ ignoreDestructuring: true }],
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "foo.qux.boom_pow = { bar: boom.bam_pow }",
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "boom_pow" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var o = {bar_baz: 1}",
+            options: [{ properties: "always" }],
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "obj.a_b = 2;",
+            options: [{ properties: "always" }],
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "a_b" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: category_alias } = query;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_alias" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: category_alias } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_alias" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { [category_id]: categoryId } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_id" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { [category_id]: categoryId } = query;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_id" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: categoryId, ...other_props } = query;",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "other_props" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id } = query;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_id" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: category_id } = query;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_id" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id = 1 } = query;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "category_id" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import no_camelcased from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import * as no_camelcased from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased as no_camel_cased } from \"external module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camel_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { camelCased as no_camel_cased } from \"external module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camel_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { camelCased, no_camelcased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased as camelCased, another_no_camelcased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "another_no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import camelCased, { no_camelcased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import no_camelcased, { another_no_camelcased as camelCased } from \"external-module\";",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import snake_cased from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import * as snake_cased from 'mod'",
+            options: [{ ignoreImports: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import snake_cased from 'mod'",
+            options: [{ ignoreImports: false }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import * as snake_cased from 'mod'",
+            options: [{ ignoreImports: false }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "snake_cased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ no_camelcased }) {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ no_camelcased = 'default value' }) {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const no_camelcased = 0; function foo({ camelcased_value = no_camelcased}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                },
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "camelcased_value" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const { bar: no_camelcased } = foo;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ value_1: my_default }) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "my_default" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ isCamelcased: no_camelcased }) {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { foo: bar_baz = 1 } = quz;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "bar_baz" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const { no_camelcased = false } = bar;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const { no_camelcased = foo_bar } = bar;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "no_camelcased" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "not_ignored_foo = 0;",
+            options: [{ allow: ["ignored_bar"] }],
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "not_ignored_foo" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "not_ignored_foo = 0;",
+            options: [{ allow: ["_id$"] }],
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "not_ignored_foo" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "foo = { [computed_bar]: 0 };",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "computed_bar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: obj.fo_o } = bar);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: obj.fo_o } = bar);",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: obj.fo_o.b_ar } = baz);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "b_ar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: { b: { c: obj.fo_o } } } = bar);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: { b: { c: obj.fo_o.b_ar } } } = baz);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "b_ar" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "([obj.fo_o] = bar);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "([obj.fo_o] = bar);",
+            options: [{ ignoreDestructuring: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "([obj.fo_o = 1] = bar);",
+            options: [{ properties: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: [obj.fo_o] } = bar);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ a: { b: [obj.fo_o] } } = bar);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "([obj.fo_o.ba_r] = baz);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "ba_r" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({...obj.fo_o} = baz);",
+            parserOptions: { ecmaVersion: 9 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({...obj.fo_o.ba_r} = baz);",
+            parserOptions: { ecmaVersion: 9 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "ba_r" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({c: {...obj.fo_o }} = baz);",
+            parserOptions: { ecmaVersion: 9 },
+            errors: [
+                {
+                    messageId: "notCamelCase",
+                    data: { name: "fo_o" },
+                    type: "Identifier"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/capitalized-comments.js b/eslint/tests/lib/rules/capitalized-comments.js
new file mode 100644
index 0000000..0432260
--- /dev/null
+++ b/eslint/tests/lib/rules/capitalized-comments.js
@@ -0,0 +1,909 @@
+/**
+ * @fileoverview enforce or disallow capitalization of the first letter of a comment
+ * @author Kevin Partington
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/capitalized-comments"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("capitalized-comments", rule, {
+
+    valid: [
+
+        // No options: capitalization required
+        "//Uppercase",
+        "// Uppercase",
+        "/*Uppercase */",
+        "/* Uppercase */",
+        "/*\nUppercase */",
+        "/** Uppercase */",
+        "/**\nUppercase */",
+        "//\xDCber",
+        "//\u03A0",
+        "/* Uppercase\nsecond line need not be uppercase */",
+
+        // No options: Skips comments that only contain whitespace
+        "// ",
+        "//\t",
+        "/* */",
+        "/*\t*/",
+        "/*\n*/",
+        "/*\r*/",
+        "/*\r\n*/",
+        "/*\u2028*/",
+        "/*\u2029*/",
+
+        // No options: non-alphabetical is okay
+        "//123",
+        "// 123",
+        "/*123*/",
+        "/* 123 */",
+        "/**123 */",
+        "/** 123 */",
+        "/**\n123 */",
+        "/*\n123 */",
+        "/*123\nsecond line need not be uppercase */",
+        "/**\n * @fileoverview This is a file */",
+
+        // No options: eslint/istanbul/jshint/jscs/globals?/exported are okay
+        "// jscs: enable",
+        "// jscs:disable",
+        "// eslint-disable-line",
+        "// eslint-disable-next-line",
+        "/* eslint semi:off */",
+        "/* eslint-env node */",
+        "/* istanbul ignore next */",
+        "/* jshint asi:true */",
+        "/* jscs: enable */",
+        "/* global var1, var2 */",
+        "/* global var1:true, var2 */",
+        "/* globals var1, var2 */",
+        "/* globals var1:true, var2 */",
+        "/* exported myVar */",
+
+        // Ignores shebangs
+        "#!foo",
+        { code: "#!foo", options: ["always"] },
+        { code: "#!Foo", options: ["never"] },
+        "#!/usr/bin/env node",
+        { code: "#!/usr/bin/env node", options: ["always"] },
+        { code: "#!/usr/bin/env node", options: ["never"] },
+
+        // Using "always" string option
+        { code: "//Uppercase", options: ["always"] },
+        { code: "// Uppercase", options: ["always"] },
+        { code: "/*Uppercase */", options: ["always"] },
+        { code: "/* Uppercase */", options: ["always"] },
+        { code: "/*\nUppercase */", options: ["always"] },
+        { code: "/** Uppercase */", options: ["always"] },
+        { code: "/**\nUppercase */", options: ["always"] },
+        { code: "//\xDCber", options: ["always"] },
+        { code: "//\u03A0", options: ["always"] },
+        {
+            code: "/* Uppercase\nsecond line need not be uppercase */",
+            options: ["always"]
+        },
+
+        // Using "always" string option: non-alphabetical is okay
+        { code: "//123", options: ["always"] },
+        { code: "// 123", options: ["always"] },
+        { code: "/*123*/", options: ["always"] },
+        { code: "/**123*/", options: ["always"] },
+        { code: "/* 123 */", options: ["always"] },
+        { code: "/** 123*/", options: ["always"] },
+        { code: "/**\n123*/", options: ["always"] },
+        { code: "/*\n123 */", options: ["always"] },
+        {
+            code: "/*123\nsecond line need not be uppercase */",
+            options: ["always"]
+        },
+        {
+            code: "/**\n @todo: foobar\n */",
+            options: ["always"]
+        },
+        {
+            code: "/**\n * @fileoverview This is a file */",
+            options: ["always"]
+        },
+
+        // Using "always" string option: eslint/istanbul/jshint/jscs/globals?/exported are okay
+        { code: "// jscs: enable", options: ["always"] },
+        { code: "// jscs:disable", options: ["always"] },
+        { code: "// eslint-disable-line", options: ["always"] },
+        { code: "// eslint-disable-next-line", options: ["always"] },
+        { code: "/* eslint semi:off */", options: ["always"] },
+        { code: "/* eslint-env node */", options: ["always"] },
+        { code: "/* istanbul ignore next */", options: ["always"] },
+        { code: "/* jshint asi:true */", options: ["always"] },
+        { code: "/* jscs: enable */", options: ["always"] },
+        { code: "/* global var1, var2 */", options: ["always"] },
+        { code: "/* global var1:true, var2 */", options: ["always"] },
+        { code: "/* globals var1, var2 */", options: ["always"] },
+        { code: "/* globals var1:true, var2 */", options: ["always"] },
+        { code: "/* exported myVar */", options: ["always"] },
+
+        // Using "never" string option
+        { code: "//lowercase", options: ["never"] },
+        { code: "// lowercase", options: ["never"] },
+        { code: "/*lowercase */", options: ["never"] },
+        { code: "/* lowercase */", options: ["never"] },
+        { code: "/*\nlowercase */", options: ["never"] },
+        { code: "//\xFCber", options: ["never"] },
+        { code: "//\u03C0", options: ["never"] },
+        {
+            code: "/* lowercase\nSecond line need not be lowercase */",
+            options: ["never"]
+        },
+
+        // Using "never" string option: non-alphabetical is okay
+        { code: "//123", options: ["never"] },
+        { code: "// 123", options: ["never"] },
+        { code: "/*123*/", options: ["never"] },
+        { code: "/* 123 */", options: ["never"] },
+        { code: "/*\n123 */", options: ["never"] },
+        {
+            code: "/*123\nsecond line need not be uppercase */",
+            options: ["never"]
+        },
+        {
+            code: "/**\n @TODO: foobar\n */",
+            options: ["never"]
+        },
+        {
+            code: "/**\n * @Fileoverview This is a file */",
+            options: ["never"]
+        },
+
+        // If first word in comment matches ignorePattern, don't warn
+        {
+            code: "// matching",
+            options: ["always", { ignorePattern: "match" }]
+        },
+        {
+            code: "// Matching",
+            options: ["never", { ignorePattern: "Match" }]
+        },
+        {
+            code: "// bar",
+            options: ["always", { ignorePattern: "foo|bar" }]
+        },
+        {
+            code: "// Bar",
+            options: ["never", { ignorePattern: "Foo|Bar" }]
+        },
+
+        // Inline comments are not warned if ignoreInlineComments: true
+        {
+            code: "foo(/* ignored */ a);",
+            options: ["always", { ignoreInlineComments: true }]
+        },
+        {
+            code: "foo(/* Ignored */ a);",
+            options: ["never", { ignoreInlineComments: true }]
+        },
+
+        // Inline comments can span multiple lines
+        {
+            code: "foo(/*\nignored */ a);",
+            options: ["always", { ignoreInlineComments: true }]
+        },
+        {
+            code: "foo(/*\nIgnored */ a);",
+            options: ["never", { ignoreInlineComments: true }]
+        },
+
+        // Tolerating consecutive comments
+        {
+            code: [
+                "// This comment is valid since it is capitalized,",
+                "// and this one is valid since it follows a valid one,",
+                "// and same with this one."
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }]
+        },
+        {
+            code: [
+                "/* This comment is valid since it is capitalized, */",
+                "/* and this one is valid since it follows a valid one, */",
+                "/* and same with this one. */"
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }]
+        },
+        {
+            code: [
+                "/*",
+                " * This comment is valid since it is capitalized,",
+                " */",
+                "/* and this one is valid since it follows a valid one, */",
+                "/*",
+                " * and same with this one.",
+                " */"
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }]
+        },
+        {
+            code: [
+                "// This comment is valid since it is capitalized,",
+                "// and this one is valid since it follows a valid one,",
+                "foo();",
+                "// This comment now has to be capitalized."
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }]
+        },
+
+        // Comments which start with URLs should always be valid
+        {
+            code: "// https://github.com",
+            options: ["always"]
+        },
+        {
+            code: "// HTTPS://GITHUB.COM",
+            options: ["never"]
+        },
+
+        // Using different options for line/block comments
+        {
+            code: [
+                "// Valid capitalized line comment",
+                "/* Valid capitalized block comment */",
+                "// lineCommentIgnorePattern",
+                "/* blockCommentIgnorePattern */"
+            ].join("\n"),
+            options: [
+                "always",
+                {
+                    line: {
+                        ignorePattern: "lineCommentIgnorePattern"
+                    },
+                    block: {
+                        ignorePattern: "blockCommentIgnorePattern"
+                    }
+                }
+            ]
+        }
+    ],
+
+    invalid: [
+
+        // No options: capitalization required
+        {
+            code: "//lowercase",
+            output: "//Lowercase",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// lowercase",
+            output: "// Lowercase",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*lowercase */",
+            output: "/*Lowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* lowercase */",
+            output: "/* Lowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/** lowercase */",
+            output: "/** Lowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\nlowercase */",
+            output: "/*\nLowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/**\nlowercase */",
+            output: "/**\nLowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//über",
+            output: "//Über",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//π",
+            output: "//Π",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* lowercase\nSecond line need not be lowercase */",
+            output: "/* Lowercase\nSecond line need not be lowercase */",
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Using "always" string option
+        {
+            code: "//lowercase",
+            output: "//Lowercase",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// lowercase",
+            output: "// Lowercase",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*lowercase */",
+            output: "/*Lowercase */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* lowercase */",
+            output: "/* Lowercase */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/** lowercase */",
+            output: "/** Lowercase */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/**\nlowercase */",
+            output: "/**\nLowercase */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//über",
+            output: "//Über",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//π",
+            output: "//Π",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* lowercase\nSecond line need not be lowercase */",
+            output: "/* Lowercase\nSecond line need not be lowercase */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Using "never" string option
+        {
+            code: "//Uppercase",
+            output: "//uppercase",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// Uppercase",
+            output: "// uppercase",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*Uppercase */",
+            output: "/*uppercase */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* Uppercase */",
+            output: "/* uppercase */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\nUppercase */",
+            output: "/*\nuppercase */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//Über",
+            output: "//über",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//Π",
+            output: "//π",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/* Uppercase\nsecond line need not be uppercase */",
+            output: "/* uppercase\nsecond line need not be uppercase */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Default ignore words should be warned if there are non-whitespace characters in the way
+        {
+            code: "//* jscs: enable",
+            output: "//* Jscs: enable",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//* jscs:disable",
+            output: "//* Jscs:disable",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//* eslint-disable-line",
+            output: "//* Eslint-disable-line",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "//* eslint-disable-next-line",
+            output: "//* Eslint-disable-next-line",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n * eslint semi:off */",
+            output: "/*\n * Eslint semi:off */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n * eslint-env node */",
+            output: "/*\n * Eslint-env node */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  istanbul ignore next */",
+            output: "/*\n *  Istanbul ignore next */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  jshint asi:true */",
+            output: "/*\n *  Jshint asi:true */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  jscs: enable */",
+            output: "/*\n *  Jscs: enable */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  global var1, var2 */",
+            output: "/*\n *  Global var1, var2 */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  global var1:true, var2 */",
+            output: "/*\n *  Global var1:true, var2 */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  globals var1, var2 */",
+            output: "/*\n *  Globals var1, var2 */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  globals var1:true, var2 */",
+            output: "/*\n *  Globals var1:true, var2 */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "/*\n *  exported myVar */",
+            output: "/*\n *  Exported myVar */",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Inline comments should be warned if ignoreInlineComments is omitted or false
+        {
+            code: "foo(/* invalid */a);",
+            output: "foo(/* Invalid */a);",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "foo(/* invalid */a);",
+            output: "foo(/* Invalid */a);",
+            options: ["always", { ignoreInlineComments: false }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 5
+            }]
+        },
+
+        // ignoreInlineComments should only allow inline comments to pass
+        {
+            code: "foo(a, // not an inline comment\nb);",
+            output: "foo(a, // Not an inline comment\nb);",
+            options: ["always", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "foo(a, /* not an inline comment */\nb);",
+            output: "foo(a, /* Not an inline comment */\nb);",
+            options: ["always", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "foo(a,\n/* not an inline comment */b);",
+            output: "foo(a,\n/* Not an inline comment */b);",
+            options: ["always", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 2,
+                column: 1
+            }]
+        },
+        {
+            code: "foo(a,\n/* not an inline comment */\nb);",
+            output: "foo(a,\n/* Not an inline comment */\nb);",
+            options: ["always", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 2,
+                column: 1
+            }]
+        },
+        {
+            code: "foo(a, // Not an inline comment\nb);",
+            output: "foo(a, // not an inline comment\nb);",
+            options: ["never", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "foo(a, /* Not an inline comment */\nb);",
+            output: "foo(a, /* not an inline comment */\nb);",
+            options: ["never", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "foo(a,\n/* Not an inline comment */b);",
+            output: "foo(a,\n/* not an inline comment */b);",
+            options: ["never", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 2,
+                column: 1
+            }]
+        },
+        {
+            code: "foo(a,\n/* Not an inline comment */\nb);",
+            output: "foo(a,\n/* not an inline comment */\nb);",
+            options: ["never", { ignoreInlineComments: true }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 2,
+                column: 1
+            }]
+        },
+
+        // Comments which do not match ignorePattern are still warned
+        {
+            code: "// not matching",
+            output: "// Not matching",
+            options: ["always", { ignorePattern: "ignored?" }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// Not matching",
+            output: "// not matching",
+            options: ["never", { ignorePattern: "ignored?" }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // ignoreConsecutiveComments only applies to comments with no tokens between them
+        {
+            code: [
+                "// This comment is valid since it is capitalized,",
+                "// and this one is valid since it follows a valid one,",
+                "foo();",
+                "// this comment is now invalid."
+            ].join("\n"),
+            output: [
+                "// This comment is valid since it is capitalized,",
+                "// and this one is valid since it follows a valid one,",
+                "foo();",
+                "// This comment is now invalid."
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 4,
+                column: 1
+            }]
+        },
+
+        // Only the initial comment should warn if ignoreConsecutiveComments:true
+        {
+            code: [
+                "// this comment is invalid since it is not capitalized,",
+                "// but this one is ignored since it is consecutive."
+            ].join("\n"),
+            output: [
+                "// This comment is invalid since it is not capitalized,",
+                "// but this one is ignored since it is consecutive."
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: true }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: [
+                "// This comment is invalid since it is not capitalized,",
+                "// But this one is ignored since it is consecutive."
+            ].join("\n"),
+            output: [
+                "// this comment is invalid since it is not capitalized,",
+                "// But this one is ignored since it is consecutive."
+            ].join("\n"),
+            options: ["never", { ignoreConsecutiveComments: true }],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Consecutive comments should warn if ignoreConsecutiveComments:false
+        {
+            code: [
+                "// This comment is valid since it is capitalized,",
+                "// but this one is invalid even if it follows a valid one."
+            ].join("\n"),
+            output: [
+                "// This comment is valid since it is capitalized,",
+                "// But this one is invalid even if it follows a valid one."
+            ].join("\n"),
+            options: ["always", { ignoreConsecutiveComments: false }],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 2,
+                column: 1
+            }]
+        },
+
+        // Comments are warned if URL is not at the start of the comment
+        {
+            code: "// should fail. https://github.com",
+            output: "// Should fail. https://github.com",
+            options: ["always"],
+            errors: [{
+                messageId: "unexpectedLowercaseComment",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// Should fail. https://github.com",
+            output: "// should fail. https://github.com",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedUppercaseComment",
+                line: 1,
+                column: 1
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/class-methods-use-this.js b/eslint/tests/lib/rules/class-methods-use-this.js
new file mode 100644
index 0000000..e307d6a
--- /dev/null
+++ b/eslint/tests/lib/rules/class-methods-use-this.js
@@ -0,0 +1,125 @@
+/**
+ * @fileoverview Tests for class-methods-use-this rule.
+ * @author Patrick Williams
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/class-methods-use-this");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("class-methods-use-this", rule, {
+    valid: [
+        { code: "class A { constructor() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() {this} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() {this.bar = 'bar';} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() {bar(this);} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { foo() {super.foo();} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() { if(true) { return this; } } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { static foo() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a(){} });", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() { () => this; } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a: function () {} });", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { foo() {this} bar() {} }", options: [{ exceptMethods: ["bar"] }], parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "class A { foo() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {/**this**/} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {var a = function () {this};} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {var a = function () {var b = function(){this}};} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {window.this} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {that.this = 'this';} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() { () => undefined; } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {} bar() {} }",
+            options: [{ exceptMethods: ["bar"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 14, messageId: "missingThis", data: { name: "method 'foo'" } }
+            ]
+        },
+        {
+            code: "class A { foo() {} hasOwnProperty() {} }",
+            options: [{ exceptMethods: ["foo"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 34, messageId: "missingThis", data: { name: "method 'hasOwnProperty'" } }
+            ]
+        },
+        {
+            code: "class A { [foo]() {} }",
+            options: [{ exceptMethods: ["foo"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { type: "FunctionExpression", line: 1, column: 16, messageId: "missingThis", data: { name: "method" } }
+            ]
+        },
+        {
+            code: "class A { foo(){} 'bar'(){} 123(){} [`baz`](){} [a](){} [f(a)](){} get quux(){} set[a](b){} *quuux(){} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "missingThis", data: { name: "method 'foo'" }, type: "FunctionExpression", column: 14 },
+                { messageId: "missingThis", data: { name: "method 'bar'" }, type: "FunctionExpression", column: 24 },
+                { messageId: "missingThis", data: { name: "method '123'" }, type: "FunctionExpression", column: 32 },
+                { messageId: "missingThis", data: { name: "method 'baz'" }, type: "FunctionExpression", column: 44 },
+                { messageId: "missingThis", data: { name: "method" }, type: "FunctionExpression", column: 52 },
+                { messageId: "missingThis", data: { name: "method" }, type: "FunctionExpression", column: 63 },
+                { messageId: "missingThis", data: { name: "getter 'quux'" }, type: "FunctionExpression", column: 76 },
+                { messageId: "missingThis", data: { name: "setter" }, type: "FunctionExpression", column: 87 },
+                { messageId: "missingThis", data: { name: "generator method 'quuux'" }, type: "FunctionExpression", column: 99 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/comma-dangle.js b/eslint/tests/lib/rules/comma-dangle.js
new file mode 100644
index 0000000..3a4f0aa
--- /dev/null
+++ b/eslint/tests/lib/rules/comma-dangle.js
@@ -0,0 +1,1756 @@
+/**
+ * @fileoverview Tests for comma-dangle rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path"),
+    rule = require("../../../lib/rules/comma-dangle"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the path to the parser of the given name.
+ * @param {string} name The name of a parser to get.
+ * @returns {string} The path to the specified parser.
+ */
+function parser(name) {
+    return path.resolve(
+        __dirname,
+        `../../fixtures/parsers/comma-dangle/${name}.js`
+    );
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("comma-dangle", rule, {
+    valid: [
+        "var foo = { bar: 'baz' }",
+        "var foo = {\nbar: 'baz'\n}",
+        "var foo = [ 'baz' ]",
+        "var foo = [\n'baz'\n]",
+        "[,,]",
+        "[\n,\n,\n]",
+        "[,]",
+        "[\n,\n]",
+        "[]",
+        "[\n]",
+        { code: "var foo = [\n      (bar ? baz : qux),\n    ];", options: ["always-multiline"] },
+        { code: "var foo = { bar: 'baz' }", options: ["never"] },
+        { code: "var foo = {\nbar: 'baz'\n}", options: ["never"] },
+        { code: "var foo = [ 'baz' ]", options: ["never"] },
+        { code: "var { a, b } = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ a, b ] = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { a,\n b, \n} = foo;", options: ["only-multiline"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ a,\n b, \n] = foo;", options: ["only-multiline"], parserOptions: { ecmaVersion: 6 } },
+
+        { code: "[(1),]", options: ["always"] },
+        { code: "var x = { foo: (1),};", options: ["always"] },
+        { code: "var foo = { bar: 'baz', }", options: ["always"] },
+        { code: "var foo = {\nbar: 'baz',\n}", options: ["always"] },
+        { code: "var foo = {\nbar: 'baz'\n,}", options: ["always"] },
+        { code: "var foo = [ 'baz', ]", options: ["always"] },
+        { code: "var foo = [\n'baz',\n]", options: ["always"] },
+        { code: "var foo = [\n'baz'\n,]", options: ["always"] },
+        { code: "[,,]", options: ["always"] },
+        { code: "[\n,\n,\n]", options: ["always"] },
+        { code: "[,]", options: ["always"] },
+        { code: "[\n,\n]", options: ["always"] },
+        { code: "[]", options: ["always"] },
+        { code: "[\n]", options: ["always"] },
+
+        { code: "var foo = { bar: 'baz' }", options: ["always-multiline"] },
+        { code: "var foo = { bar: 'baz' }", options: ["only-multiline"] },
+        { code: "var foo = {\nbar: 'baz',\n}", options: ["always-multiline"] },
+        { code: "var foo = {\nbar: 'baz',\n}", options: ["only-multiline"] },
+        { code: "var foo = [ 'baz' ]", options: ["always-multiline"] },
+        { code: "var foo = [ 'baz' ]", options: ["only-multiline"] },
+        { code: "var foo = [\n'baz',\n]", options: ["always-multiline"] },
+        { code: "var foo = [\n'baz',\n]", options: ["only-multiline"] },
+        { code: "var foo = { bar:\n\n'bar' }", options: ["always-multiline"] },
+        { code: "var foo = { bar:\n\n'bar' }", options: ["only-multiline"] },
+        { code: "var foo = {a: 1, b: 2, c: 3, d: 4}", options: ["always-multiline"] },
+        { code: "var foo = {a: 1, b: 2, c: 3, d: 4}", options: ["only-multiline"] },
+        { code: "var foo = {a: 1, b: 2,\n c: 3, d: 4}", options: ["always-multiline"] },
+        { code: "var foo = {a: 1, b: 2,\n c: 3, d: 4}", options: ["only-multiline"] },
+        { code: "var foo = {x: {\nfoo: 'bar',\n}}", options: ["always-multiline"] },
+        { code: "var foo = {x: {\nfoo: 'bar',\n}}", options: ["only-multiline"] },
+        { code: "var foo = new Map([\n[key, {\na: 1,\nb: 2,\nc: 3,\n}],\n])", options: ["always-multiline"] },
+        { code: "var foo = new Map([\n[key, {\na: 1,\nb: 2,\nc: 3,\n}],\n])", options: ["only-multiline"] },
+
+        // https://github.com/eslint/eslint/issues/3627
+        {
+            code: "var [a, ...rest] = [];",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [\n    a,\n    ...rest\n] = [];",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [\n    a,\n    ...rest\n] = [];",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [\n    a,\n    ...rest\n] = [];",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "[a, ...rest] = [];",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for ([a, ...rest] of []);",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = [b, ...spread,];",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7297
+        {
+            code: "var {foo, ...bar} = baz",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // https://github.com/eslint/eslint/issues/3794
+        {
+            code: "import {foo,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import foo from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import foo, {abc,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import * as foo from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {foo,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {foo} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import foo from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import foo, {abc} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import * as foo from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {foo} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {foo} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {foo} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {foo} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {foo} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {\n  foo,\n} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {\n  foo,\n} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {\n  foo,\n} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export {\n  foo,\n} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {foo} from \n'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {foo} from \n'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "function foo(a) {}",
+            options: ["always"]
+        },
+        {
+            code: "foo(a)",
+            options: ["always"]
+        },
+        {
+            code: "function foo(a) {}",
+            options: ["never"]
+        },
+        {
+            code: "foo(a)",
+            options: ["never"]
+        },
+        {
+            code: "function foo(a,\nb) {}",
+            options: ["always-multiline"]
+        },
+        {
+            code: "foo(a,\nb)",
+            options: ["always-multiline"]
+        },
+        {
+            code: "function foo(a,\nb) {}",
+            options: ["only-multiline"]
+        },
+        {
+            code: "foo(a,\nb)",
+            options: ["only-multiline"]
+        },
+        {
+            code: "function foo(a) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "foo(a)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "function foo(a) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "foo(a)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "function foo(a,\nb) {}",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "foo(a,\nb)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "function foo(a,\nb) {}",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "foo(a,\nb)",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 7 }
+        },
+        {
+            code: "function foo(a) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a,) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a,)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(\na,\nb,\n) {}",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(\na,b)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a,b) {}",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a,b)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a,b) {}",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a,b)",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 }
+        },
+
+        // trailing comma in functions
+        {
+            code: "function foo(a) {} ",
+            options: [{}],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: [{}],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a) {} ",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a,) {}",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function bar(a, ...b) {}",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a,)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a,)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: "bar(...a,)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a) {} ",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(\na,\nb,\n) {} ",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(\na,\n...b\n) {} ",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(\na,\nb,\n)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(\na,\n...b,\n)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(a) {} ",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(\na,\nb,\n) {} ",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(\na,\nb,\n)",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "function foo(\na,\nb\n) {} ",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(\na,\nb\n)",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7370
+        {
+            code: "function foo({a}: {a: string,}) {}",
+            options: ["never"],
+            parser: parser("object-pattern-1")
+        },
+        {
+            code: "function foo({a,}: {a: string}) {}",
+            options: ["always"],
+            parser: parser("object-pattern-2")
+        },
+        {
+            code: "function foo(a): {b: boolean,} {}",
+            options: [{ functions: "never" }],
+            parser: parser("return-type-1")
+        },
+        {
+            code: "function foo(a,): {b: boolean} {}",
+            options: [{ functions: "always" }],
+            parser: parser("return-type-2")
+        }
+    ],
+    invalid: [
+        {
+            code: "var foo = { bar: 'baz', }",
+            output: "var foo = { bar: 'baz' }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 23,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code: "var foo = {\nbar: 'baz',\n}",
+            output: "var foo = {\nbar: 'baz'\n}",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 2,
+                    column: 11,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz', qux: 'quux', });",
+            output: "foo({ bar: 'baz', qux: 'quux' });",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 30
+                }
+            ]
+        },
+        {
+            code: "foo({\nbar: 'baz',\nqux: 'quux',\n});",
+            output: "foo({\nbar: 'baz',\nqux: 'quux'\n});",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 3,
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "var foo = [ 'baz', ]",
+            output: "var foo = [ 'baz' ]",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = [ 'baz',\n]",
+            output: "var foo = [ 'baz'\n]",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar: 'bar'\n\n, }",
+            output: "var foo = { bar: 'bar'\n\n }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+
+
+        {
+            code: "var foo = { bar: 'baz', }",
+            output: "var foo = { bar: 'baz' }",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar: 'baz', }",
+            output: "var foo = { bar: 'baz' }",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "var foo = {\nbar: 'baz',\n}",
+            output: "var foo = {\nbar: 'baz'\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz', qux: 'quux', });",
+            output: "foo({ bar: 'baz', qux: 'quux' });",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 30
+                }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz', qux: 'quux', });",
+            output: "foo({ bar: 'baz', qux: 'quux' });",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 30
+                }
+            ]
+        },
+
+        {
+            code: "var foo = { bar: 'baz' }",
+            output: "var foo = { bar: 'baz', }",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 1,
+                    column: 23,
+                    endLine: 1,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code: "var foo = {\nbar: 'baz'\n}",
+            output: "var foo = {\nbar: 'baz',\n}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 2,
+                    column: 11,
+                    endLine: 3,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz', qux: 'quux' });",
+            output: "foo({ bar: 'baz', qux: 'quux', });",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+
+                }
+            ]
+        },
+        {
+            code: "foo({\nbar: 'baz',\nqux: 'quux'\n});",
+            output: "foo({\nbar: 'baz',\nqux: 'quux',\n});",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 3,
+                    column: 12,
+                    endLine: 4,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = [ 'baz' ]",
+            output: "var foo = [ 'baz', ]",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Literal",
+                    line: 1,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = ['baz']",
+            output: "var foo = ['baz',]",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Literal",
+                    line: 1,
+                    column: 17,
+                    endColumn: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = [ 'baz'\n]",
+            output: "var foo = [ 'baz',\n]",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Literal",
+                    line: 1,
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar:\n\n'bar' }",
+            output: "var foo = { bar:\n\n'bar', }",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 3,
+                    column: 6
+                }
+            ]
+        },
+
+        {
+            code: "var foo = {\nbar: 'baz'\n}",
+            output: "var foo = {\nbar: 'baz',\n}",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "  bar,\n" +
+            "  (\n" +
+            "    baz\n" +
+            "  )\n" +
+            "];",
+            output:
+            "var foo = [\n" +
+            "  bar,\n" +
+            "  (\n" +
+            "    baz\n" +
+            "  ),\n" +
+            "];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Identifier",
+                    line: 5,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code:
+            "var foo = {\n" +
+            "  foo: 'bar',\n" +
+            "  baz: (\n" +
+            "    qux\n" +
+            "  )\n" +
+            "};",
+            output:
+            "var foo = {\n" +
+            "  foo: 'bar',\n" +
+            "  baz: (\n" +
+            "    qux\n" +
+            "  ),\n" +
+            "};",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 5,
+                    column: 4
+                }
+            ]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7291
+            code:
+            "var foo = [\n" +
+            "  (bar\n" +
+            "    ? baz\n" +
+            "    : qux\n" +
+            "  )\n" +
+            "];",
+            output:
+            "var foo = [\n" +
+            "  (bar\n" +
+            "    ? baz\n" +
+            "    : qux\n" +
+            "  ),\n" +
+            "];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "ConditionalExpression",
+                    line: 5,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar: 'baz', }",
+            output: "var foo = { bar: 'baz' }",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "foo({\nbar: 'baz',\nqux: 'quux'\n});",
+            output: "foo({\nbar: 'baz',\nqux: 'quux',\n});",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Property",
+                    line: 3,
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz', qux: 'quux', });",
+            output: "foo({ bar: 'baz', qux: 'quux' });",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 30
+                }
+            ]
+        },
+        {
+            code: "var foo = [\n'baz'\n]",
+            output: "var foo = [\n'baz',\n]",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "missing",
+                    type: "Literal",
+                    line: 2,
+                    column: 6
+                }
+            ]
+        },
+        {
+            code: "var foo = ['baz',]",
+            output: "var foo = ['baz']",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = ['baz',]",
+            output: "var foo = ['baz']",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var foo = {x: {\nfoo: 'bar',\n},}",
+            output: "var foo = {x: {\nfoo: 'bar',\n}}",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 3,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var foo = {a: 1, b: 2,\nc: 3, d: 4,}",
+            output: "var foo = {a: 1, b: 2,\nc: 3, d: 4}",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var foo = {a: 1, b: 2,\nc: 3, d: 4,}",
+            output: "var foo = {a: 1, b: 2,\nc: 3, d: 4}",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var foo = [{\na: 1,\nb: 2,\nc: 3,\nd: 4,\n},]",
+            output: "var foo = [{\na: 1,\nb: 2,\nc: 3,\nd: 4,\n}]",
+            options: ["always-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "ObjectExpression",
+                    line: 6,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var { a, b, } = foo;",
+            output: "var { a, b } = foo;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var { a, b, } = foo;",
+            output: "var { a, b } = foo;",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var [ a, b, ] = foo;",
+            output: "var [ a, b ] = foo;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Identifier",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var [ a, b, ] = foo;",
+            output: "var [ a, b ] = foo;",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Identifier",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "[(1),]",
+            output: "[(1)]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 5
+                }
+            ]
+        },
+        {
+            code: "[(1),]",
+            output: "[(1)]",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Literal",
+                    line: 1,
+                    column: 5
+                }
+            ]
+        },
+        {
+            code: "var x = { foo: (1),};",
+            output: "var x = { foo: (1)};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var x = { foo: (1),};",
+            output: "var x = { foo: (1)};",
+            options: ["only-multiline"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "Property",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/3794
+        {
+            code: "import {foo} from 'foo';",
+            output: "import {foo,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "missing", type: "ImportSpecifier" }]
+        },
+        {
+            code: "import foo, {abc} from 'foo';",
+            output: "import foo, {abc,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "missing", type: "ImportSpecifier" }]
+        },
+        {
+            code: "export {foo} from 'foo';",
+            output: "export {foo,} from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "missing", type: "ExportSpecifier" }]
+        },
+        {
+            code: "import {foo,} from 'foo';",
+            output: "import {foo} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ImportSpecifier" }]
+        },
+        {
+            code: "import {foo,} from 'foo';",
+            output: "import {foo} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ImportSpecifier" }]
+        },
+        {
+            code: "import foo, {abc,} from 'foo';",
+            output: "import foo, {abc} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ImportSpecifier" }]
+        },
+        {
+            code: "import foo, {abc,} from 'foo';",
+            output: "import foo, {abc} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ImportSpecifier" }]
+        },
+        {
+            code: "export {foo,} from 'foo';",
+            output: "export {foo} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ExportSpecifier" }]
+        },
+        {
+            code: "export {foo,} from 'foo';",
+            output: "export {foo} from 'foo';",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ExportSpecifier" }]
+        },
+        {
+            code: "import {foo,} from 'foo';",
+            output: "import {foo} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ImportSpecifier" }]
+        },
+        {
+            code: "export {foo,} from 'foo';",
+            output: "export {foo} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpected", type: "ExportSpecifier" }]
+        },
+        {
+            code: "import {\n  foo\n} from 'foo';",
+            output: "import {\n  foo,\n} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "missing", type: "ImportSpecifier" }]
+        },
+        {
+            code: "export {\n  foo\n} from 'foo';",
+            output: "export {\n  foo,\n} from 'foo';",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "missing", type: "ExportSpecifier" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/6233
+        {
+            code: "var foo = {a: (1)}",
+            output: "var foo = {a: (1),}",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "Property" }]
+        },
+        {
+            code: "var foo = [(1)]",
+            output: "var foo = [(1),]",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "Literal" }]
+        },
+        {
+            code: "var foo = [\n1,\n(2)\n]",
+            output: "var foo = [\n1,\n(2),\n]",
+            options: ["always-multiline"],
+            errors: [{ messageId: "missing", type: "Literal" }]
+        },
+
+        // trailing commas in functions
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(a,) => a",
+            output: "(a) => a",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(a,) => (a)",
+            output: "(a) => (a)",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "({foo(a,) {}})",
+            output: "({foo(a) {}})",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "class A {foo(a,) {}}",
+            output: "class A {foo(a) {}}",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: [{ functions: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a) {}",
+            output: "function foo(a,) {}",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a) {})",
+            output: "(function foo(a,) {})",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(a) => a",
+            output: "(a,) => a",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(a) => (a)",
+            output: "(a,) => (a)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "({foo(a) {}})",
+            output: "({foo(a,) {}})",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "class A {foo(a) {}}",
+            output: "class A {foo(a,) {}}",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(a)",
+            output: "foo(a,)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a)",
+            output: "foo(...a,)",
+            options: [{ functions: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+        {
+            code: "function foo(\na,\nb\n) {}",
+            output: "function foo(\na,\nb,\n) {}",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(\na,\nb\n)",
+            output: "foo(\na,\nb,\n)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(\n...a,\n...b\n)",
+            output: "foo(\n...a,\n...b,\n)",
+            options: [{ functions: "always-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: [{ functions: "only-multiline" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(a,) => a",
+            output: "(a) => a",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(a,) => (a)",
+            output: "(a) => (a)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "({foo(a,) {}})",
+            output: "({foo(a) {}})",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "class A {foo(a,) {}}",
+            output: "class A {foo(a) {}}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a) {}",
+            output: "function foo(a,) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a) {})",
+            output: "(function foo(a,) {})",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(a) => a",
+            output: "(a,) => a",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "(a) => (a)",
+            output: "(a,) => (a)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "({foo(a) {}})",
+            output: "({foo(a,) {},})",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [
+                { messageId: "missing", type: "Identifier" },
+                { messageId: "missing", type: "Property" }
+            ]
+        },
+        {
+            code: "class A {foo(a) {}}",
+            output: "class A {foo(a,) {}}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(a)",
+            output: "foo(a,)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a)",
+            output: "foo(...a,)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+        {
+            code: "function foo(\na,\nb\n) {}",
+            output: "function foo(\na,\nb,\n) {}",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(\na,\nb\n)",
+            output: "foo(\na,\nb,\n)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+        {
+            code: "foo(\n...a,\n...b\n)",
+            output: "foo(\n...a,\n...b,\n)",
+            options: ["always-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missing", type: "SpreadElement" }]
+        },
+
+        {
+            code: "function foo(a,) {}",
+            output: "function foo(a) {}",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "(function foo(a,) {})",
+            output: "(function foo(a) {})",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "Identifier" }]
+        },
+        {
+            code: "foo(...a,)",
+            output: "foo(...a)",
+            options: ["only-multiline"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected", type: "SpreadElement" }]
+        },
+        {
+            code: "function foo(a) {}",
+            output: "function foo(a,) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 9 },
+            errors: [{ messageId: "missing", type: "Identifier" }]
+        },
+
+        // separated options
+        {
+            code: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            output: `let {a} = {a: 1};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            options: [{
+                objects: "never",
+                arrays: "ignore",
+                imports: "ignore",
+                exports: "ignore",
+                functions: "ignore"
+            }],
+            parserOptions: { ecmaVersion: 8, sourceType: "module" },
+            errors: [
+                { messageId: "unexpected", line: 1 },
+                { messageId: "unexpected", line: 1 }
+            ]
+        },
+        {
+            code: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            output: `let {a,} = {a: 1,};
+let [b] = [1];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            options: [{
+                objects: "ignore",
+                arrays: "never",
+                imports: "ignore",
+                exports: "ignore",
+                functions: "ignore"
+            }],
+            parserOptions: { ecmaVersion: 8, sourceType: "module" },
+            errors: [
+                { messageId: "unexpected", line: 2 },
+                { messageId: "unexpected", line: 2 }
+            ]
+        },
+        {
+            code: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            output: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            options: [{
+                objects: "ignore",
+                arrays: "ignore",
+                imports: "never",
+                exports: "ignore",
+                functions: "ignore"
+            }],
+            parserOptions: { ecmaVersion: 8, sourceType: "module" },
+            errors: [
+                { messageId: "unexpected", line: 3 }
+            ]
+        },
+        {
+            code: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            output: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d};
+(function foo(e,) {})(f,);`,
+            options: [{
+                objects: "ignore",
+                arrays: "ignore",
+                imports: "ignore",
+                exports: "never",
+                functions: "ignore"
+            }],
+            parserOptions: { ecmaVersion: 8, sourceType: "module" },
+            errors: [
+                { messageId: "unexpected", line: 4 }
+            ]
+        },
+        {
+            code: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e,) {})(f,);`,
+            output: `let {a,} = {a: 1,};
+let [b,] = [1,];
+import {c,} from "foo";
+let d = 0;export {d,};
+(function foo(e) {})(f);`,
+            options: [{
+                objects: "ignore",
+                arrays: "ignore",
+                imports: "ignore",
+                exports: "ignore",
+                functions: "never"
+            }],
+            parserOptions: { ecmaVersion: 8, sourceType: "module" },
+            errors: [
+                { messageId: "unexpected", line: 5 },
+                { messageId: "unexpected", line: 5 }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7370
+        {
+            code: "function foo({a}: {a: string,}) {}",
+            output: "function foo({a,}: {a: string,}) {}",
+            options: ["always"],
+            parser: parser("object-pattern-1"),
+            errors: [{ messageId: "missing" }]
+        },
+        {
+            code: "function foo({a,}: {a: string}) {}",
+            output: "function foo({a}: {a: string}) {}",
+            options: ["never"],
+            parser: parser("object-pattern-2"),
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "function foo(a): {b: boolean,} {}",
+            output: "function foo(a,): {b: boolean,} {}",
+            options: [{ functions: "always" }],
+            parser: parser("return-type-1"),
+            errors: [{ messageId: "missing" }]
+        },
+        {
+            code: "function foo(a,): {b: boolean} {}",
+            output: "function foo(a): {b: boolean} {}",
+            options: [{ functions: "never" }],
+            parser: parser("return-type-2"),
+            errors: [{ messageId: "unexpected" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11502
+        {
+            code: "foo(a,)",
+            output: "foo(a)",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpected" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/comma-spacing.js b/eslint/tests/lib/rules/comma-spacing.js
new file mode 100644
index 0000000..df7dac6
--- /dev/null
+++ b/eslint/tests/lib/rules/comma-spacing.js
@@ -0,0 +1,511 @@
+/**
+ * @fileoverview tests to validate spacing before and after comma.
+ * @author Vignesh Anand.
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/comma-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("comma-spacing", rule, {
+    valid: [
+        "myfunc(404, true/* bla bla bla */, 'hello');",
+        "myfunc(404, true /* bla bla bla */, 'hello');",
+        "myfunc(404, true/* bla bla bla *//* hi */, 'hello');",
+        "myfunc(404, true/* bla bla bla */ /* hi */, 'hello');",
+        "myfunc(404, true, /* bla bla bla */ 'hello');",
+        "myfunc(404, // comment\n true, /* bla bla bla */ 'hello');",
+        { code: "myfunc(404, // comment\n true,/* bla bla bla */ 'hello');", options: [{ before: false, after: false }] },
+        "var a = 1, b = 2;",
+        "var arr = [, ];",
+        "var arr = [1, ];",
+        "var arr = [, 2];",
+        "var arr = [1, 2];",
+        "var arr = [, , ];",
+        "var arr = [1, , ];",
+        "var arr = [, 2, ];",
+        "var arr = [, , 3];",
+        "var arr = [1, 2, ];",
+        "var arr = [, 2, 3];",
+        "var arr = [1, , 3];",
+        "var arr = [1, 2, 3];",
+        "var obj = {'foo':'bar', 'baz':'qur'};",
+        "var obj = {'foo':'bar', 'baz':\n'qur'};",
+        "var obj = {'foo':\n'bar', 'baz':\n'qur'};",
+        "function foo(a, b){}",
+        { code: "function foo(a, b = 1){}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a = 1, b, c){}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = (a, b) => {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = (a=1, b) => {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = a => a + 2", parserOptions: { ecmaVersion: 6 } },
+        "a, b",
+        "var a = (1 + 2, 2);",
+        "a(b, c)",
+        "new A(b, c)",
+        "foo((a), b)",
+        "var b = ((1 + 2), 2);",
+        "parseInt((a + b), 10)",
+        "go.boom((a + b), 10)",
+        "go.boom((a + b), 10, (4))",
+        "var x = [ (a + c), (b + b) ]",
+        "['  ,  ']",
+        { code: "[`  ,  `]", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${[1, 2]}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "fn(a, b,)", parserOptions: { ecmaVersion: 2018 } }, // #11295
+        { code: "const fn = (a, b,) => {}", parserOptions: { ecmaVersion: 2018 } }, // #11295
+        { code: "const fn = function (a, b,) {}", parserOptions: { ecmaVersion: 2018 } }, // #11295
+        { code: "function fn(a, b,) {}", parserOptions: { ecmaVersion: 2018 } }, // #11295
+        "foo(/,/, 'a')",
+        "var x = ',,,,,';",
+        "var code = 'var foo = 1, bar = 3;'",
+        "['apples', \n 'oranges'];",
+        "{x: 'var x,y,z'}",
+        { code: "var obj = {'foo':\n'bar' ,'baz':\n'qur'};", options: [{ before: true, after: false }] },
+        { code: "var a = 1 ,b = 2;", options: [{ before: true, after: false }] },
+        { code: "function foo(a ,b){}", options: [{ before: true, after: false }] },
+        { code: "var arr = [,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 ,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [ ,2];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 ,2];", options: [{ before: true, after: false }] },
+        { code: "var arr = [,,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 , ,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [ ,2 ,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [ , ,3];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 ,2 ,];", options: [{ before: true, after: false }] },
+        { code: "var arr = [ ,2 ,3];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 , ,3];", options: [{ before: true, after: false }] },
+        { code: "var arr = [1 ,2 ,3];", options: [{ before: true, after: false }] },
+        { code: "var obj = {'foo':'bar' , 'baz':'qur'};", options: [{ before: true, after: true }] },
+        { code: "var a = 1 , b = 2;", options: [{ before: true, after: true }] },
+        { code: "var arr = [, ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [ , 2];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , 2];", options: [{ before: true, after: true }] },
+        { code: "var arr = [, , ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , , ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [ , 2 , ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [ , , 3];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , 2 , ];", options: [{ before: true, after: true }] },
+        { code: "var arr = [, 2 , 3];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , , 3];", options: [{ before: true, after: true }] },
+        { code: "var arr = [1 , 2 , 3];", options: [{ before: true, after: true }] },
+        { code: "a , b", options: [{ before: true, after: true }] },
+        { code: "var arr = [,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [ ,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [,2];", options: [{ before: false, after: false }] },
+        { code: "var arr = [ ,2];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,2];", options: [{ before: false, after: false }] },
+        { code: "var arr = [,,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [ ,,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [,2,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [ ,2,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [,,3];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,2,];", options: [{ before: false, after: false }] },
+        { code: "var arr = [,2,3];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,,3];", options: [{ before: false, after: false }] },
+        { code: "var arr = [1,2,3];", options: [{ before: false, after: false }] },
+        { code: "var a = (1 + 2,2)", options: [{ before: false, after: false }] },
+        { code: "var a; console.log(`${a}`, \"a\");", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, b] = [1, 2];", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, b, ] = [1, 2];", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, , b] = [1, 2, 3];", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [ , b] = a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [, b] = a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "<a>,</a>", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "<a>  ,  </a>", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "<a>Hello, world</a>", options: [{ before: true, after: false }], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } }
+    ],
+
+    invalid: [
+        {
+            code: "a(b,c)",
+            output: "a(b , c)",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "new A(b,c)",
+            output: "new A(b , c)",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var a = 1 ,b = 2;",
+            output: "var a = 1, b = 2;",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 , 2];",
+            output: "var arr = [1, 2];",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 , ];",
+            output: "var arr = [1, ];",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 , ];",
+            output: "var arr = [1 ,];",
+            options: [{ before: true, after: false }],
+            errors: [
+                {
+                    message: "There should be no space after ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 ,2];",
+            output: "var arr = [1, 2];",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [(1) , 2];",
+            output: "var arr = [(1), 2];",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1, 2];",
+            output: "var arr = [1 ,2];",
+            options: [{ before: true, after: false }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    message: "There should be no space after ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1\n  , 2];",
+            output: "var arr = [1\n  ,2];",
+            options: [{ before: false, after: false }],
+            errors: [
+                {
+                    message: "There should be no space after ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1,\n  2];",
+            output: "var arr = [1 ,\n  2];",
+            options: [{ before: true, after: false }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var obj = {'foo':\n'bar', 'baz':\n'qur'};",
+            output: "var obj = {'foo':\n'bar' ,'baz':\n'qur'};",
+            options: [{ before: true, after: false }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    message: "There should be no space after ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var obj = {a: 1\n  ,b: 2};",
+            output: "var obj = {a: 1\n  , b: 2};",
+            options: [{ before: false, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var obj = {a: 1 ,\n  b: 2};",
+            output: "var obj = {a: 1,\n  b: 2};",
+            options: [{ before: false, after: false }],
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 ,2];",
+            output: "var arr = [1 , 2];",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1,2];",
+            output: "var arr = [1 , 2];",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var obj = {'foo':\n'bar','baz':\n'qur'};",
+            output: "var obj = {'foo':\n'bar' , 'baz':\n'qur'};",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var arr = [1 , 2];",
+            output: "var arr = [1,2];",
+            options: [{ before: false, after: false }],
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    message: "There should be no space after ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "a ,b",
+            output: "a, b",
+            options: [{ before: false, after: true }],
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "function foo(a,b){}",
+            output: "function foo(a , b){}",
+            options: [{ before: true, after: true }],
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var foo = (a,b) => {}",
+            output: "var foo = (a , b) => {}",
+            options: [{ before: true, after: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "var foo = (a = 1,b) => {}",
+            output: "var foo = (a = 1 , b) => {}",
+            options: [{ before: true, after: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "before" },
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "function foo(a = 1 ,b = 2) {}",
+            output: "function foo(a = 1, b = 2) {}",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "<a>{foo(1 ,2)}</a>",
+            output: "<a>{foo(1, 2)}</a>",
+            parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                },
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "myfunc(404, true/* bla bla bla */ , 'hello');",
+            output: "myfunc(404, true/* bla bla bla */, 'hello');",
+            errors: [
+                {
+                    message: "There should be no space before ','.",
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "myfunc(404, true,/* bla bla bla */ 'hello');",
+            output: "myfunc(404, true, /* bla bla bla */ 'hello');",
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        },
+        {
+            code: "myfunc(404,// comment\n true, 'hello');",
+            output: "myfunc(404, // comment\n true, 'hello');",
+            errors: [
+                {
+                    messageId: "missing",
+                    data: { loc: "after" },
+                    type: "Punctuator"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/comma-style.js b/eslint/tests/lib/rules/comma-style.js
new file mode 100644
index 0000000..5aa401f
--- /dev/null
+++ b/eslint/tests/lib/rules/comma-style.js
@@ -0,0 +1,624 @@
+/**
+ * @fileoverview Comma style
+ * @author Vignesh Anand aka vegetableman
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/comma-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("comma-style", rule, {
+
+    valid: [
+        "var foo = 1, bar = 3;",
+        "var foo = {'a': 1, 'b': 2};",
+        "var foo = [1, 2];",
+        "var foo = [, 2];",
+        "var foo = [1, ];",
+        "var foo = ['apples', \n 'oranges'];",
+        "var foo = {'a': 1, \n 'b': 2, \n'c': 3};",
+        "var foo = {'a': 1, \n 'b': 2, 'c':\n 3};",
+        "var foo = {'a': 1, \n 'b': 2, 'c': [{'d': 1}, \n {'e': 2}, \n {'f': 3}]};",
+        "var foo = [1, \n2, \n3];",
+        "function foo(){var a=[1,\n 2]}",
+        "function foo(){return {'a': 1,\n'b': 2}}",
+        "var foo = \n1, \nbar = \n2;",
+        "var foo = [\n(bar),\nbaz\n];",
+        "var foo = [\n(bar\n),\nbaz\n];",
+        "var foo = [\n(\nbar\n),\nbaz\n];",
+        "new Foo(a\n,b);",
+        { code: "var foo = [\n(bar\n)\n,baz\n];", options: ["first"] },
+        "var foo = \n1, \nbar = [1,\n2,\n3]",
+        { code: "var foo = ['apples'\n,'oranges'];", options: ["first"] },
+        { code: "var foo = 1, bar = 2;", options: ["first"] },
+        { code: "var foo = 1 \n ,bar = 2;", options: ["first"] },
+        { code: "var foo = {'a': 1 \n ,'b': 2 \n,'c': 3};", options: ["first"] },
+        { code: "var foo = [1 \n ,2 \n, 3];", options: ["first"] },
+        { code: "function foo(){return {'a': 1\n,'b': 2}}", options: ["first"] },
+        { code: "function foo(){var a=[1\n, 2]}", options: ["first"] },
+        { code: "new Foo(a,\nb);", options: ["first"] },
+        "f(1\n, 2);",
+        "function foo(a\n, b) { return a + b; }",
+        {
+            code: "var a = 'a',\no = 'o';",
+            options: ["first", { exceptions: { VariableDeclaration: true } }]
+        },
+        {
+            code: "var arr = ['a',\n'o'];",
+            options: ["first", { exceptions: { ArrayExpression: true } }]
+        },
+        {
+            code: "var obj = {a: 'a',\nb: 'b'};",
+            options: ["first", { exceptions: { ObjectExpression: true } }]
+        },
+        {
+            code: "var a = 'a',\no = 'o',\narr = [1,\n2];",
+            options: ["first", { exceptions: { VariableDeclaration: true, ArrayExpression: true } }]
+        },
+        {
+            code: "var ar ={fst:1,\nsnd: [1,\n2]};",
+            options: ["first", { exceptions: { ArrayExpression: true, ObjectExpression: true } }]
+        },
+        {
+            code: "var a = 'a',\nar ={fst:1,\nsnd: [1,\n2]};",
+            options: ["first", {
+                exceptions: {
+                    ArrayExpression: true,
+                    ObjectExpression: true,
+                    VariableDeclaration: true
+                }
+            }]
+        },
+        {
+            code: "const foo = (a\n, b) => { return a + b; }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "function foo([a\n, b]) { return a + b; }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "const foo = ([a\n, b]) => { return a + b; }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "import { a\n, b } from './source';",
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            }
+        },
+        {
+            code: "const foo = function (a\n, b) { return a + b; }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "var {foo\n, bar} = {foo:'apples', bar:'oranges'};",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "var {foo\n, bar} = {foo:'apples', bar:'oranges'};",
+            options: ["first", {
+                exceptions: {
+                    ObjectPattern: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "new Foo(a,\nb);",
+            options: ["first", {
+                exceptions: {
+                    NewExpression: true
+                }
+            }]
+        },
+        {
+            code: "f(1\n, 2);",
+            options: ["last", {
+                exceptions: {
+                    CallExpression: true
+                }
+            }]
+        },
+        {
+            code: "function foo(a\n, b) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    FunctionDeclaration: true
+                }
+            }]
+        },
+        {
+            code: "const foo = function (a\n, b) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    FunctionExpression: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "function foo([a\n, b]) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrayPattern: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "const foo = (a\n, b) => { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "const foo = ([a\n, b]) => { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrayPattern: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "import { a\n, b } from './source';",
+            options: ["last", {
+                exceptions: {
+                    ImportDeclaration: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            }
+        },
+        {
+            code: "var {foo\n, bar} = {foo:'apples', bar:'oranges'};",
+            options: ["last", {
+                exceptions: {
+                    ObjectPattern: true
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "new Foo(a,\nb);",
+            options: ["last", {
+                exceptions: {
+                    NewExpression: false
+                }
+            }]
+        },
+        {
+            code: "new Foo(a\n,b);",
+            options: ["last", {
+                exceptions: {
+                    NewExpression: true
+                }
+            }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = { a: 1. //comment \n, b: 2\n}",
+            output: "var foo = { a: 1., //comment \n b: 2\n}",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var foo = { a: 1. //comment \n //comment1 \n //comment2 \n, b: 2\n}",
+            output: "var foo = { a: 1., //comment \n //comment1 \n //comment2 \n b: 2\n}",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var foo = 1\n,\nbar = 2;",
+            output: "var foo = 1,\nbar = 2;",
+            errors: [{
+                messageId: "unexpectedLineBeforeAndAfterComma",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = 1 //comment\n,\nbar = 2;",
+            output: "var foo = 1, //comment\nbar = 2;",
+            errors: [{
+                messageId: "unexpectedLineBeforeAndAfterComma",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = 1 //comment\n, // comment 2\nbar = 2;",
+            output: "var foo = 1, //comment // comment 2\nbar = 2;",
+            errors: [{
+                messageId: "unexpectedLineBeforeAndAfterComma",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "new Foo(a\n,\nb);",
+            output: "new Foo(a,\nb);",
+            options: ["last", {
+                exceptions: {
+                    NewExpression: false
+                }
+            }],
+            errors: [{ messageId: "unexpectedLineBeforeAndAfterComma" }]
+        },
+        {
+            code: "var foo = 1\n,bar = 2;",
+            output: "var foo = 1,\nbar = 2;",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "f([1,2\n,3]);",
+            output: "f([1,2,\n3]);",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "f([1,2\n,]);",
+            output: "f([1,2,\n]);",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "f([,2\n,3]);",
+            output: "f([,2,\n3]);",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = ['apples'\n, 'oranges'];",
+            output: "var foo = ['apples',\n 'oranges'];",
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var [foo\n, bar] = ['apples', 'oranges'];",
+            output: "var [foo,\n bar] = ['apples', 'oranges'];",
+            options: ["last", {
+                exceptions: {
+                    ArrayPattern: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "f(1\n, 2);",
+            output: "f(1,\n 2);",
+            options: ["last", {
+                exceptions: {
+                    CallExpression: false
+                }
+            }],
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "function foo(a\n, b) { return a + b; }",
+            output: "function foo(a,\n b) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    FunctionDeclaration: false
+                }
+            }],
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "const foo = function (a\n, b) { return a + b; }",
+            output: "const foo = function (a,\n b) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    FunctionExpression: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo([a\n, b]) { return a + b; }",
+            output: "function foo([a,\n b]) { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrayPattern: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "const foo = (a\n, b) => { return a + b; }",
+            output: "const foo = (a,\n b) => { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrowFunctionExpression: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "const foo = ([a\n, b]) => { return a + b; }",
+            output: "const foo = ([a,\n b]) => { return a + b; }",
+            options: ["last", {
+                exceptions: {
+                    ArrayPattern: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "import { a\n, b } from './source';",
+            output: "import { a,\n b } from './source';",
+            options: ["last", {
+                exceptions: {
+                    ImportDeclaration: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "var {foo\n, bar} = {foo:'apples', bar:'oranges'};",
+            output: "var {foo,\n bar} = {foo:'apples', bar:'oranges'};",
+            options: ["last", {
+                exceptions: {
+                    ObjectPattern: false
+                }
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "expectedCommaLast",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var foo = 1,\nbar = 2;",
+            output: "var foo = 1\n,bar = 2;",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "f([1,\n2,3]);",
+            output: "f([1\n,2,3]);",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = ['apples', \n 'oranges'];",
+            output: "var foo = ['apples' \n ,'oranges'];",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = {'a': 1, \n 'b': 2\n ,'c': 3};",
+            output: "var foo = {'a': 1 \n ,'b': 2\n ,'c': 3};",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var a = 'a',\no = 'o',\narr = [1,\n2];",
+            output: "var a = 'a',\no = 'o',\narr = [1\n,2];",
+            options: ["first", { exceptions: { VariableDeclaration: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var a = 'a',\nobj = {a: 'a',\nb: 'b'};",
+            output: "var a = 'a',\nobj = {a: 'a'\n,b: 'b'};",
+            options: ["first", { exceptions: { VariableDeclaration: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var a = 'a',\nobj = {a: 'a',\nb: 'b'};",
+            output: "var a = 'a'\n,obj = {a: 'a',\nb: 'b'};",
+            options: ["first", { exceptions: { ObjectExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var a = 'a',\narr = [1,\n2];",
+            output: "var a = 'a'\n,arr = [1,\n2];",
+            options: ["first", { exceptions: { ArrayExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var ar =[1,\n{a: 'a',\nb: 'b'}];",
+            output: "var ar =[1,\n{a: 'a'\n,b: 'b'}];",
+            options: ["first", { exceptions: { ArrayExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Property"
+            }]
+        },
+        {
+            code: "var ar =[1,\n{a: 'a',\nb: 'b'}];",
+            output: "var ar =[1\n,{a: 'a',\nb: 'b'}];",
+            options: ["first", { exceptions: { ObjectExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "ObjectExpression"
+            }]
+        },
+        {
+            code: "var ar ={fst:1,\nsnd: [1,\n2]};",
+            output: "var ar ={fst:1,\nsnd: [1\n,2]};",
+            options: ["first", { exceptions: { ObjectExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var ar ={fst:1,\nsnd: [1,\n2]};",
+            output: "var ar ={fst:1\n,snd: [1,\n2]};",
+            options: ["first", { exceptions: { ArrayExpression: true } }],
+            errors: [{
+                messageId: "expectedCommaFirst",
+                type: "Property"
+            }]
+        },
+        {
+            code: "new Foo(a,\nb);",
+            output: "new Foo(a\n,b);",
+            options: ["first", {
+                exceptions: {
+                    NewExpression: false
+                }
+            }],
+            errors: [{ messageId: "expectedCommaFirst" }]
+        },
+        {
+            code: "var foo = [\n(bar\n)\n,\nbaz\n];",
+            output: "var foo = [\n(bar\n),\nbaz\n];",
+            errors: [{
+                messageId: "unexpectedLineBeforeAndAfterComma",
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "[(foo),\n,\nbar]",
+            output: "[(foo),,\nbar]",
+            errors: [{ messageId: "unexpectedLineBeforeAndAfterComma" }]
+        },
+        {
+            code: "new Foo(a\n,b);",
+            output: "new Foo(a,\nb);",
+            options: ["last", {
+                exceptions: {
+                    NewExpression: false
+                }
+            }],
+            errors: [{ messageId: "expectedCommaLast" }]
+        },
+        {
+            code: "[\n[foo(3)],\n,\nbar\n];",
+            output: "[\n[foo(3)],,\nbar\n];",
+            errors: [{ messageId: "unexpectedLineBeforeAndAfterComma" }]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/10632
+            code: "[foo//\n,/*block\ncomment*/];",
+            output: "[foo,//\n/*block\ncomment*/];",
+            errors: [{ messageId: "unexpectedLineBeforeAndAfterComma" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/complexity.js b/eslint/tests/lib/rules/complexity.js
new file mode 100644
index 0000000..b49ccfc
--- /dev/null
+++ b/eslint/tests/lib/rules/complexity.js
@@ -0,0 +1,119 @@
+/**
+ * @fileoverview Tests for complexity rule.
+ * @author Patrick Brosset
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/complexity"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Generates a code string with the amount of complexity specified in the parameter
+ * @param {int} complexity The level of complexity
+ * @returns {string} Code with the amount of complexity specified in the parameter
+ * @private
+ */
+function createComplexity(complexity) {
+    let funcString = "function test (a) { if (a === 1) {";
+
+    for (let i = 2; i < complexity; i++) {
+        funcString += `} else if (a === ${i}) {`;
+    }
+
+    funcString += "} };";
+
+    return funcString;
+}
+
+/**
+ * Create an expected error object
+ * @param   {string} name       The name of the symbol being tested
+ * @param   {number} complexity The cyclomatic complexity value of the symbol
+ * @param   {number} max        The maximum cyclomatic complexity value of the symbol
+ * @returns {Object}            The error object
+ */
+function makeError(name, complexity, max) {
+    return {
+        messageId: "complex",
+        data: { name, complexity, max }
+    };
+}
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("complexity", rule, {
+    valid: [
+        "function a(x) {}",
+        { code: "function b(x) {}", options: [1] },
+        { code: "function a(x) {if (true) {return x;}}", options: [2] },
+        { code: "function a(x) {if (true) {return x;} else {return x+1;}}", options: [2] },
+        { code: "function a(x) {if (true) {return x;} else if (false) {return x+1;} else {return 4;}}", options: [3] },
+        { code: "function a(x) {for(var i = 0; i < 5; i ++) {x ++;} return x;}", options: [2] },
+        { code: "function a(obj) {for(var i in obj) {obj[i] = 3;}}", options: [2] },
+        { code: "function a(x) {for(var i = 0; i < 5; i ++) {if(i % 2 === 0) {x ++;}} return x;}", options: [3] },
+        { code: "function a(obj) {if(obj){ for(var x in obj) {try {x.getThis();} catch (e) {x.getThat();}}} else {return false;}}", options: [4] },
+        { code: "function a(x) {try {x.getThis();} catch (e) {x.getThat();}}", options: [2] },
+        { code: "function a(x) {return x === 4 ? 3 : 5;}", options: [2] },
+        { code: "function a(x) {return x === 4 ? 3 : (x === 3 ? 2 : 1);}", options: [3] },
+        { code: "function a(x) {return x || 4;}", options: [2] },
+        { code: "function a(x) {x && 4;}", options: [2] },
+        { code: "function a(x) {switch(x){case 1: 1; break; case 2: 2; break; default: 3;}}", options: [3] },
+        { code: "function a(x) {switch(x){case 1: 1; break; case 2: 2; break; default: if(x == 'foo') {5;};}}", options: [4] },
+        { code: "function a(x) {while(true) {'foo';}}", options: [2] },
+        { code: "function a(x) {do {'foo';} while (true)}", options: [2] },
+        { code: "if (foo) { bar(); }", options: [3] },
+        { code: "var a = (x) => {do {'foo';} while (true)}", options: [2], parserOptions: { ecmaVersion: 6 } },
+
+        // object property options
+        { code: "function b(x) {}", options: [{ max: 1 }] }
+    ],
+    invalid: [
+        { code: "function a(x) {}", options: [0], errors: [makeError("Function 'a'", 1, 0)] },
+        { code: "var func = function () {}", options: [0], errors: [makeError("Function", 1, 0)] },
+        { code: "var obj = { a(x) {} }", options: [0], parserOptions: { ecmaVersion: 6 }, errors: [makeError("Method 'a'", 1, 0)] },
+        { code: "class Test { a(x) {} }", options: [0], parserOptions: { ecmaVersion: 6 }, errors: [makeError("Method 'a'", 1, 0)] },
+        { code: "var a = (x) => {if (true) {return x;}}", options: [1], parserOptions: { ecmaVersion: 6 }, errors: 1 },
+        { code: "function a(x) {if (true) {return x;}}", options: [1], errors: 1 },
+        { code: "function a(x) {if (true) {return x;} else {return x+1;}}", options: [1], errors: 1 },
+        { code: "function a(x) {if (true) {return x;} else if (false) {return x+1;} else {return 4;}}", options: [2], errors: 1 },
+        { code: "function a(x) {for(var i = 0; i < 5; i ++) {x ++;} return x;}", options: [1], errors: 1 },
+        { code: "function a(obj) {for(var i in obj) {obj[i] = 3;}}", options: [1], errors: 1 },
+        { code: "function a(obj) {for(var i of obj) {obj[i] = 3;}}", options: [1], parserOptions: { ecmaVersion: 6 }, errors: 1 },
+        { code: "function a(x) {for(var i = 0; i < 5; i ++) {if(i % 2 === 0) {x ++;}} return x;}", options: [2], errors: 1 },
+        { code: "function a(obj) {if(obj){ for(var x in obj) {try {x.getThis();} catch (e) {x.getThat();}}} else {return false;}}", options: [3], errors: 1 },
+        { code: "function a(x) {try {x.getThis();} catch (e) {x.getThat();}}", options: [1], errors: 1 },
+        { code: "function a(x) {return x === 4 ? 3 : 5;}", options: [1], errors: 1 },
+        { code: "function a(x) {return x === 4 ? 3 : (x === 3 ? 2 : 1);}", options: [2], errors: 1 },
+        { code: "function a(x) {return x || 4;}", options: [1], errors: 1 },
+        { code: "function a(x) {x && 4;}", options: [1], errors: 1 },
+        { code: "function a(x) {switch(x){case 1: 1; break; case 2: 2; break; default: 3;}}", options: [2], errors: 1 },
+        { code: "function a(x) {switch(x){case 1: 1; break; case 2: 2; break; default: if(x == 'foo') {5;};}}", options: [3], errors: 1 },
+        { code: "function a(x) {while(true) {'foo';}}", options: [1], errors: 1 },
+        { code: "function a(x) {do {'foo';} while (true)}", options: [1], errors: 1 },
+        { code: "function a(x) {(function() {while(true){'foo';}})(); (function() {while(true){'bar';}})();}", options: [1], errors: 2 },
+        { code: "function a(x) {(function() {while(true){'foo';}})(); (function() {'bar';})();}", options: [1], errors: 1 },
+        { code: "var obj = { a(x) { return x ? 0 : 1; } };", options: [1], parserOptions: { ecmaVersion: 6 }, errors: [makeError("Method 'a'", 2, 1)] },
+        { code: "var obj = { a: function b(x) { return x ? 0 : 1; } };", options: [1], errors: [makeError("Method 'b'", 2, 1)] },
+        {
+            code: createComplexity(21),
+            errors: [makeError("Function 'test'", 21, 20)]
+        },
+        {
+            code: createComplexity(21),
+            options: [{}],
+            errors: [makeError("Function 'test'", 21, 20)]
+        },
+
+        // object property options
+        { code: "function a(x) {}", options: [{ max: 0 }], errors: [makeError("Function 'a'", 1, 0)] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/computed-property-spacing.js b/eslint/tests/lib/rules/computed-property-spacing.js
new file mode 100644
index 0000000..b0ecef6
--- /dev/null
+++ b/eslint/tests/lib/rules/computed-property-spacing.js
@@ -0,0 +1,1911 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside computed properties.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/computed-property-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("computed-property-spacing", rule, {
+
+    valid: [
+
+        // default - never
+        "obj[foo]",
+        "obj['foo']",
+        { code: "var x = {[b]: a}", parserOptions: { ecmaVersion: 6 } },
+
+        // always
+        { code: "obj[ foo ]", options: ["always"] },
+        { code: "obj[\nfoo\n]", options: ["always"] },
+        { code: "obj[ 'foo' ]", options: ["always"] },
+        { code: "obj[ 'foo' + 'bar' ]", options: ["always"] },
+        { code: "obj[ obj2[ foo ] ]", options: ["always"] },
+        { code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+        { code: "obj[ 'map' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+        { code: "obj[ 'for' + 'Each' ](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["always"] },
+        { code: "var foo = obj[ 1 ]", options: ["always"] },
+        { code: "var foo = obj[ 'foo' ];", options: ["always"] },
+        { code: "var foo = obj[ [1, 1] ];", options: ["always"] },
+
+        // always - objectLiteralComputedProperties
+        { code: "var x = {[ \"a\" ]: a}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var y = {[ x ]: a}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = {[ \"a\" ]() {}}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var y = {[ x ]() {}}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        // always - unrelated cases
+        { code: "var foo = {};", options: ["always"] },
+        { code: "var foo = [];", options: ["always"] },
+
+        // never
+        { code: "obj[foo]", options: ["never"] },
+        { code: "obj['foo']", options: ["never"] },
+        { code: "obj['foo' + 'bar']", options: ["never"] },
+        { code: "obj['foo'+'bar']", options: ["never"] },
+        { code: "obj[obj2[foo]]", options: ["never"] },
+        { code: "obj.map(function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "obj['map'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "obj['for' + 'Each'](function(item) { return [\n1,\n2,\n3,\n4\n]; })", options: ["never"] },
+        { code: "obj[\nfoo]", options: ["never"] },
+        { code: "obj[foo\n]", options: ["never"] },
+        { code: "var foo = obj[1]", options: ["never"] },
+        { code: "var foo = obj['foo'];", options: ["never"] },
+        { code: "var foo = obj[[ 1, 1 ]];", options: ["never"] },
+
+        // never - objectLiteralComputedProperties
+        { code: "var x = {[\"a\"]: a}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var y = {[x]: a}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = {[\"a\"]() {}}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var y = {[x]() {}}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // never - unrelated cases
+        { code: "var foo = {};", options: ["never"] },
+        { code: "var foo = [];", options: ["never"] },
+
+        //------------------------------------------------------------------------------
+        // Classes
+        //------------------------------------------------------------------------------
+
+        // explicitly disabled option
+        {
+            code: "class A { [ a ](){} }",
+            options: ["never", { enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            options: ["never", { enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { [a](){} }",
+            options: ["always", { enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [a](){} get [b](){} set [b](foo){} static [c](){} static get [d](){} static set [d](bar){} }",
+            options: ["always", { enforceForClassMembers: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // valid spacing
+        {
+            code: "A = class { [a](){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [a] ( ) { } }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { [ \n a \n ](){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [a](){} get [b](){} set [b](foo){} static [c](){} static get [d](){} static set [d](bar){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [ a ](){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { [ a ](){}[ b ](){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { [\na\n](){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // non-computed
+        {
+            code: "class A { a ( ) { } get b(){} set b ( foo ){} static c (){} static get d() {} static set d( bar ) {} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "A = class {a(){}get b(){}set b(foo){}static c(){}static get d(){}static set d(bar){}}",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // handling of parens and comments
+        {
+            code: [
+                "const foo = {",
+                "  [ (a) ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ ( a ) ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [( a )]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ /**/ a /**/ ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [/**/ a /**/]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ a[ b ] ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [a[b]]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ a[ /**/ b ]/**/ ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [/**/a[b /**/] /**/]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = obj[ 1];",
+            output: "var foo = obj[ 1 ];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+
+                }
+            ]
+        },
+        {
+            code: "var foo = obj[1 ];",
+            output: "var foo = obj[ 1 ];",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "var foo = obj[ 1];",
+            output: "var foo = obj[1];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                }
+            ]
+        },
+        {
+            code: "var foo = obj[1 ];",
+            output: "var foo = obj[1];",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "obj[ foo ]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "obj[foo ]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "obj[ foo]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                }
+            ]
+        },
+        {
+            code: "var foo = obj[1]",
+            output: "var foo = obj[ 1 ]",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+            ]
+        },
+
+        // multiple spaces
+        {
+            code: "obj[    foo]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "obj[  foo  ]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "obj[   foo ]",
+            output: "obj[foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 8
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "obj[ foo + \n  bar   ]",
+            output: "obj[foo + \n  bar]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "obj[\n foo  ]",
+            output: "obj[\n foo]",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 5,
+                    endLine: 2,
+                    endColumn: 7
+                }
+            ]
+        },
+
+        // always - objectLiteralComputedProperties
+        {
+            code: "var x = {[a]: b}",
+            output: "var x = {[ a ]: b}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 11
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var x = {[a ]: b}",
+            output: "var x = {[ a ]: b}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "var x = {[ a]: b}",
+            output: "var x = {[ a ]: b}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                }
+            ]
+        },
+
+        // never - objectLiteralComputedProperties
+        {
+            code: "var x = {[ a ]: b}",
+            output: "var x = {[a]: b}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                }
+            ]
+        },
+        {
+            code: "var x = {[a ]: b}",
+            output: "var x = {[a]: b}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var x = {[ a]: b}",
+            output: "var x = {[a]: b}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var x = {[ a\n]: b}",
+            output: "var x = {[a\n]: b}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+
+        // test default settings for classes
+        {
+            code: "class A { [ a ](){} }",
+            output: "class A { [a](){} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "class A { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            output: "class A { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 26,
+                    endLine: 1,
+                    endColumn: 27
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 28,
+                    endLine: 1,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 40,
+                    endLine: 1,
+                    endColumn: 41
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 42,
+                    endLine: 1,
+                    endColumn: 43
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 60,
+                    endLine: 1,
+                    endColumn: 61
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 62,
+                    endLine: 1,
+                    endColumn: 63
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 81,
+                    endLine: 1,
+                    endColumn: 82
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 83,
+                    endLine: 1,
+                    endColumn: 84
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 102,
+                    endLine: 1,
+                    endColumn: 103
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 104,
+                    endLine: 1,
+                    endColumn: 105
+                }
+            ]
+        },
+        {
+            code: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            output: "A = class { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            options: ["never", {}],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 28,
+                    endLine: 1,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 42,
+                    endLine: 1,
+                    endColumn: 43
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 44,
+                    endLine: 1,
+                    endColumn: 45
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 62,
+                    endLine: 1,
+                    endColumn: 63
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 64,
+                    endLine: 1,
+                    endColumn: 65
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 83,
+                    endLine: 1,
+                    endColumn: 84
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 85,
+                    endLine: 1,
+                    endColumn: 86
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 104,
+                    endLine: 1,
+                    endColumn: 105
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 106,
+                    endLine: 1,
+                    endColumn: 107
+                }
+            ]
+        },
+        {
+            code: "A = class { [a](){} }",
+            output: "A = class { [ a ](){} }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                }
+            ]
+        },
+        {
+            code: "A = class { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            output: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 27,
+                    endLine: 1,
+                    endColumn: 28
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 37,
+                    endLine: 1,
+                    endColumn: 38
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 39,
+                    endLine: 1,
+                    endColumn: 40
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 55,
+                    endLine: 1,
+                    endColumn: 56
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 57,
+                    endLine: 1,
+                    endColumn: 58
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 74,
+                    endLine: 1,
+                    endColumn: 75
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 76,
+                    endLine: 1,
+                    endColumn: 77
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 93,
+                    endLine: 1,
+                    endColumn: 94
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 95,
+                    endLine: 1,
+                    endColumn: 96
+                }
+            ]
+        },
+        {
+            code: "class A { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            output: "class A { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            options: ["always", {}],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 23,
+                    endLine: 1,
+                    endColumn: 24
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 35,
+                    endLine: 1,
+                    endColumn: 36
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 37,
+                    endLine: 1,
+                    endColumn: 38
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 53,
+                    endLine: 1,
+                    endColumn: 54
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 55,
+                    endLine: 1,
+                    endColumn: 56
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 72,
+                    endLine: 1,
+                    endColumn: 73
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 74,
+                    endLine: 1,
+                    endColumn: 75
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 91,
+                    endLine: 1,
+                    endColumn: 92
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 93,
+                    endLine: 1,
+                    endColumn: 94
+                }
+            ]
+        },
+
+        // never - classes
+        {
+            code: "class A { [ a](){} }",
+            output: "class A { [a](){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "A = class { [a](){} b(){} static [c ](){} static [d](){}}",
+            output: "A = class { [a](){} b(){} static [c](){} static [d](){}}",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 36,
+                    endLine: 1,
+                    endColumn: 37
+                }
+            ]
+        },
+        {
+            code: "class A { get [a ](){} set [ a](foo){} get b(){} static set b(bar){} static get [ a](){} static set [a ](baz){} }",
+            output: "class A { get [a](){} set [a](foo){} get b(){} static set b(bar){} static get [a](){} static set [a](baz){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 29,
+                    endLine: 1,
+                    endColumn: 30
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 82,
+                    endLine: 1,
+                    endColumn: 83
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 103,
+                    endLine: 1,
+                    endColumn: 104
+                }
+            ]
+        },
+        {
+            code: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            output: "A = class { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            options: ["never", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 28,
+                    endLine: 1,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 42,
+                    endLine: 1,
+                    endColumn: 43
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 44,
+                    endLine: 1,
+                    endColumn: 45
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 62,
+                    endLine: 1,
+                    endColumn: 63
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 64,
+                    endLine: 1,
+                    endColumn: 65
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 83,
+                    endLine: 1,
+                    endColumn: 84
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 85,
+                    endLine: 1,
+                    endColumn: 86
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 104,
+                    endLine: 1,
+                    endColumn: 105
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 106,
+                    endLine: 1,
+                    endColumn: 107
+                }
+            ]
+        },
+
+        // always - classes
+        {
+            code: "class A { [ a](){} }",
+            output: "class A { [ a ](){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "A = class { [ a ](){} b(){} static [c ](){} static [ d ](){}}",
+            output: "A = class { [ a ](){} b(){} static [ c ](){} static [ d ](){}}",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 36,
+                    endLine: 1,
+                    endColumn: 37
+                }
+            ]
+        },
+        {
+            code: "class A { get [a ](){} set [ a](foo){} get b(){} static set b(bar){} static get [ a](){} static set [a ](baz){} }",
+            output: "class A { get [ a ](){} set [ a ](foo){} get b(){} static set b(bar){} static get [ a ](){} static set [ a ](baz){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 31,
+                    endLine: 1,
+                    endColumn: 32
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 84,
+                    endLine: 1,
+                    endColumn: 85
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 101,
+                    endLine: 1,
+                    endColumn: 102
+                }
+            ]
+        },
+        {
+            code: "A = class { [a](){} get [b](){} set [c](foo){} static [d](){} static get [e](){} static set [f](bar){} }",
+            output: "A = class { [ a ](){} get [ b ](){} set [ c ](foo){} static [ d ](){} static get [ e ](){} static set [ f ](bar){} }",
+            options: ["always", { enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 27,
+                    endLine: 1,
+                    endColumn: 28
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 37,
+                    endLine: 1,
+                    endColumn: 38
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 39,
+                    endLine: 1,
+                    endColumn: 40
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 55,
+                    endLine: 1,
+                    endColumn: 56
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 57,
+                    endLine: 1,
+                    endColumn: 58
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 74,
+                    endLine: 1,
+                    endColumn: 75
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 76,
+                    endLine: 1,
+                    endColumn: 77
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 93,
+                    endLine: 1,
+                    endColumn: 94
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 95,
+                    endLine: 1,
+                    endColumn: 96
+                }
+            ]
+        },
+
+        // handling of parens and comments
+        {
+            code: [
+                "const foo = {",
+                "  [(a)]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [ (a) ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 7,
+                    endLine: 2,
+                    endColumn: 8
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [( a )]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [ ( a ) ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 9,
+                    endLine: 2,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ ( a ) ]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [( a )]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 4,
+                    endLine: 2,
+                    endColumn: 5
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 10,
+                    endLine: 2,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [/**/ a /**/]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [ /**/ a /**/ ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 15,
+                    endLine: 2,
+                    endColumn: 16
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ /**/ a /**/ ]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [/**/ a /**/]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 4,
+                    endLine: 2,
+                    endColumn: 5
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 16,
+                    endLine: 2,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [a[b]]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [ a[ b ] ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 5,
+                    endLine: 2,
+                    endColumn: 6
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 7,
+                    endLine: 2,
+                    endColumn: 8
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ a[ b ] ]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [a[b]]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 4,
+                    endLine: 2,
+                    endColumn: 5
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 7,
+                    endLine: 2,
+                    endColumn: 8
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 9,
+                    endLine: 2,
+                    endColumn: 10
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 11,
+                    endLine: 2,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [a[/**/ b ]/**/]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [ a[ /**/ b ]/**/ ]: 1",
+                "}"
+            ].join("\n"),
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                },
+                {
+                    messageId: "missingSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 5,
+                    endLine: 2,
+                    endColumn: 6
+                },
+                {
+                    messageId: "missingSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "Property",
+                    line: 2,
+                    column: 18,
+                    endLine: 2,
+                    endColumn: 19
+                }
+            ]
+        },
+        {
+            code: [
+                "const foo = {",
+                "  [ /**/a[ b /**/ ] /**/]: 1",
+                "}"
+            ].join("\n"),
+            output: [
+                "const foo = {",
+                "  [/**/a[b /**/] /**/]: 1",
+                "}"
+            ].join("\n"),
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "Property",
+                    line: 2,
+                    column: 4,
+                    endLine: 2,
+                    endColumn: 5
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { tokenValue: "[" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 11,
+                    endLine: 2,
+                    endColumn: 12
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { tokenValue: "]" },
+                    type: "MemberExpression",
+                    line: 2,
+                    column: 18,
+                    endLine: 2,
+                    endColumn: 19
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/consistent-return.js b/eslint/tests/lib/rules/consistent-return.js
new file mode 100644
index 0000000..53781ea
--- /dev/null
+++ b/eslint/tests/lib/rules/consistent-return.js
@@ -0,0 +1,287 @@
+/**
+ * @fileoverview Tests for consistent-return rule.
+ * @author Raphael Pigulla
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/consistent-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("consistent-return", rule, {
+
+    valid: [
+        "function foo() { return; }",
+        "function foo() { if (true) return; }",
+        "function foo() { if (true) return; else return; }",
+        "function foo() { if (true) return true; else return false; }",
+        "f(function() { return; })",
+        "f(function() { if (true) return; })",
+        "f(function() { if (true) return; else return; })",
+        "f(function() { if (true) return true; else return false; })",
+        "function foo() { function bar() { return true; } return; }",
+        "function foo() { function bar() { return; } return false; }",
+        "function Foo() { if (!(this instanceof Foo)) return new Foo(); }",
+        { code: "function foo() { if (true) return; else return undefined; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "function foo() { if (true) return; else return void 0; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "function foo() { if (true) return undefined; else return; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "function foo() { if (true) return undefined; else return void 0; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "function foo() { if (true) return void 0; else return; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "function foo() { if (true) return void 0; else return undefined; }", options: [{ treatUndefinedAsUnspecified: true }] },
+        { code: "var x = () => {  return {}; };", parserOptions: { ecmaVersion: 6 } },
+        { code: "if (true) { return 1; } return 0;", parserOptions: { ecmaVersion: 6, ecmaFeatures: { globalReturn: true } } },
+
+        // https://github.com/eslint/eslint/issues/7790
+        { code: "class Foo { constructor() { if (true) return foo; } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var Foo = class { constructor() { if (true) return foo; } }", parserOptions: { ecmaVersion: 6 } }
+    ],
+
+    invalid: [
+        {
+            code: "function foo() { if (true) return true; else return; }",
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { if (true) return true; else return; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Arrow function" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (true) return; else return false; }",
+            errors: [
+                {
+                    messageId: "unexpectedReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "f(function() { if (true) return true; else return; })",
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Function" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "f(function() { if (true) return; else return false; })",
+            errors: [
+                {
+                    messageId: "unexpectedReturnValue",
+                    data: { name: "Function" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "f(a => { if (true) return; else return false; })",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedReturnValue",
+                    data: { name: "Arrow function" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (true) return true; return undefined; }",
+            options: [{ treatUndefinedAsUnspecified: true }],
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement",
+                    column: 41
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (true) return true; return void 0; }",
+            options: [{ treatUndefinedAsUnspecified: true }],
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement",
+                    column: 41
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (true) return undefined; return true; }",
+            options: [{ treatUndefinedAsUnspecified: true }],
+            errors: [
+                {
+                    messageId: "unexpectedReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement",
+                    column: 46
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (true) return void 0; return true; }",
+            options: [{ treatUndefinedAsUnspecified: true }],
+            errors: [
+                {
+                    messageId: "unexpectedReturnValue",
+                    data: { name: "Function 'foo'" },
+                    type: "ReturnStatement",
+                    column: 43
+                }
+            ]
+        },
+        {
+            code: "if (true) { return 1; } return;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "missingReturnValue",
+                    data: { name: "Program" },
+                    type: "ReturnStatement"
+                }
+            ]
+        },
+        {
+            code: "function foo() { if (a) return true; }",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "function 'foo'" },
+                    type: "FunctionDeclaration",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "function _foo() { if (a) return true; }",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "function '_foo'" },
+                    type: "FunctionDeclaration",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "f(function foo() { if (a) return true; });",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "function 'foo'" },
+                    type: "FunctionExpression",
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "f(function() { if (a) return true; });",
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "function" },
+                    type: "FunctionExpression",
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "f(() => { if (a) return true; });",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "arrow function" },
+                    type: "ArrowFunctionExpression",
+                    column: 6
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo() { if (a) return true; }};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "method 'foo'" },
+                    type: "FunctionExpression",
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "class A {foo() { if (a) return true; }};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "method 'foo'" },
+                    type: "FunctionExpression",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "if (a) return true;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "program" },
+                    type: "Program",
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "class A { CapitalizedFunction() { if (a) return true; } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "method 'CapitalizedFunction'" },
+                    type: "FunctionExpression",
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "({ constructor() { if (a) return true; } });",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { name: "method 'constructor'" },
+                    type: "FunctionExpression",
+                    column: 4
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/consistent-this.js b/eslint/tests/lib/rules/consistent-this.js
new file mode 100644
index 0000000..1ddb0aa
--- /dev/null
+++ b/eslint/tests/lib/rules/consistent-this.js
@@ -0,0 +1,69 @@
+/**
+ * @fileoverview Tests for consistent-this rule.
+ * @author Raphael Pigulla
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/consistent-this"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * A destructuring Test
+ * @param {string} code source code
+ * @returns {Object} Suitable object
+ * @private
+ */
+function destructuringTest(code) {
+    return {
+        code,
+        options: ["self"],
+        env: { es6: true },
+        parserOptions: { ecmaVersion: 6 }
+    };
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("consistent-this", rule, {
+    valid: [
+        "var foo = 42, that = this",
+        { code: "var foo = 42, self = this", options: ["self"] },
+        { code: "var self = 42", options: ["that"] },
+        { code: "var self", options: ["that"] },
+        { code: "var self; self = this", options: ["self"] },
+        { code: "var foo, self; self = this", options: ["self"] },
+        { code: "var foo, self; foo = 42; self = this", options: ["self"] },
+        { code: "self = 42", options: ["that"] },
+        { code: "var foo = {}; foo.bar = this", options: ["self"] },
+        { code: "var self = this; var vm = this;", options: ["self", "vm"] },
+        destructuringTest("var {foo, bar} = this"),
+        destructuringTest("({foo, bar} = this)"),
+        destructuringTest("var [foo, bar] = this"),
+        destructuringTest("[foo, bar] = this")
+    ],
+    invalid: [
+        { code: "var context = this", errors: [{ messageId: "unexpectedAlias", data: { name: "context" }, type: "VariableDeclarator" }] },
+        { code: "var that = this", options: ["self"], errors: [{ messageId: "unexpectedAlias", data: { name: "that" }, type: "VariableDeclarator" }] },
+        { code: "var foo = 42, self = this", options: ["that"], errors: [{ messageId: "unexpectedAlias", data: { name: "self" }, type: "VariableDeclarator" }] },
+        { code: "var self = 42", options: ["self"], errors: [{ messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "VariableDeclarator" }] },
+        { code: "var self", options: ["self"], errors: [{ messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "VariableDeclarator" }] },
+        { code: "var self; self = 42", options: ["self"], errors: [{ messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "VariableDeclarator" }, { messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "AssignmentExpression" }] },
+        { code: "context = this", options: ["that"], errors: [{ messageId: "unexpectedAlias", data: { name: "context" }, type: "AssignmentExpression" }] },
+        { code: "that = this", options: ["self"], errors: [{ messageId: "unexpectedAlias", data: { name: "that" }, type: "AssignmentExpression" }] },
+        { code: "self = this", options: ["that"], errors: [{ messageId: "unexpectedAlias", data: { name: "self" }, type: "AssignmentExpression" }] },
+        { code: "self += this", options: ["self"], errors: [{ messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "AssignmentExpression" }] },
+        { code: "var self; (function() { self = this; }())", options: ["self"], errors: [{ messageId: "aliasNotAssignedToThis", data: { name: "self" }, type: "VariableDeclarator" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/constructor-super.js b/eslint/tests/lib/rules/constructor-super.js
new file mode 100644
index 0000000..b6c223d
--- /dev/null
+++ b/eslint/tests/lib/rules/constructor-super.js
@@ -0,0 +1,228 @@
+/**
+ * @fileoverview Tests for constructor-super rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/constructor-super");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("constructor-super", rule, {
+    valid: [
+
+        // non derived classes.
+        "class A { }",
+        "class A { constructor() { } }",
+
+        /*
+         * inherit from non constructors.
+         * those are valid if we don't define the constructor.
+         */
+        "class A extends null { }",
+
+        // derived classes.
+        "class A extends B { }",
+        "class A extends B { constructor() { super(); } }",
+        "class A extends B { constructor() { if (true) { super(); } else { super(); } } }",
+        "class A extends (class B {}) { constructor() { super(); } }",
+        "class A extends (B = C) { constructor() { super(); } }",
+        "class A extends (B || C) { constructor() { super(); } }",
+        "class A extends (a ? B : C) { constructor() { super(); } }",
+        "class A extends (B, C) { constructor() { super(); } }",
+
+        // nested.
+        "class A { constructor() { class B extends C { constructor() { super(); } } } }",
+        "class A extends B { constructor() { super(); class C extends D { constructor() { super(); } } } }",
+        "class A extends B { constructor() { super(); class C { constructor() { } } } }",
+
+        // multi code path.
+        "class A extends B { constructor() { a ? super() : super(); } }",
+        "class A extends B { constructor() { if (a) super(); else super(); } }",
+        "class A extends B { constructor() { switch (a) { case 0: super(); break; default: super(); } } }",
+        "class A extends B { constructor() { try {} finally { super(); } } }",
+        "class A extends B { constructor() { if (a) throw Error(); super(); } }",
+
+        // returning value is a substitute of 'super()'.
+        "class A extends B { constructor() { if (true) return a; super(); } }",
+        "class A extends null { constructor() { return a; } }",
+        "class A { constructor() { return a; } }",
+
+        // https://github.com/eslint/eslint/issues/5261
+        "class A extends B { constructor(a) { super(); for (const b of a) { this.a(); } } }",
+
+        // https://github.com/eslint/eslint/issues/5319
+        "class Foo extends Object { constructor(method) { super(); this.method = method || function() {}; } }",
+
+        // https://github.com/eslint/eslint/issues/5394
+        [
+            "class A extends Object {",
+            "    constructor() {",
+            "        super();",
+            "        for (let i = 0; i < 0; i++);",
+            "    }",
+            "}"
+        ].join("\n"),
+
+        // https://github.com/eslint/eslint/issues/8848
+        `
+            class A extends B {
+                constructor(props) {
+                    super(props);
+
+                    try {
+                        let arr = [];
+                        for (let a of arr) {
+                        }
+                    } catch (err) {
+                    }
+                }
+            }
+        `
+    ],
+    invalid: [
+
+        // inherit from non constructors.
+        {
+            code: "class A extends null { constructor() { super(); } }",
+            errors: [{ messageId: "badSuper", type: "CallExpression" }]
+        },
+        {
+            code: "class A extends null { constructor() { } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends 100 { constructor() { super(); } }",
+            errors: [{ messageId: "badSuper", type: "CallExpression" }]
+        },
+        {
+            code: "class A extends 'test' { constructor() { super(); } }",
+            errors: [{ messageId: "badSuper", type: "CallExpression" }]
+        },
+
+        // derived classes.
+        {
+            code: "class A extends B { constructor() { } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { for (var a of b) super.foo(); } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+
+        // nested execution scope.
+        {
+            code: "class A extends B { constructor() { class C extends D { constructor() { super(); } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { var c = class extends D { constructor() { super(); } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { var c = () => super(); } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { class C extends D { constructor() { super(); } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition", column: 21 }]
+        },
+        {
+            code: "class A extends B { constructor() { var C = class extends D { constructor() { super(); } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition", column: 21 }]
+        },
+        {
+            code: "class A extends B { constructor() { super(); class C extends D { constructor() { } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition", column: 66 }]
+        },
+        {
+            code: "class A extends B { constructor() { super(); var C = class extends D { constructor() { } } } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition", column: 72 }]
+        },
+
+        // lacked in some code path.
+        {
+            code: "class A extends B { constructor() { if (a) super(); } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { if (a); else super(); } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { a && super(); } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { switch (a) { case 0: super(); } } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { switch (a) { case 0: break; default: super(); } } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { try { super(); } catch (err) {} } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { try { a; } catch (err) { super(); } } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+        {
+            code: "class A extends B { constructor() { if (a) return; super(); } }",
+            errors: [{ messageId: "missingSome", type: "MethodDefinition" }]
+        },
+
+        // duplicate.
+        {
+            code: "class A extends B { constructor() { super(); super(); } }",
+            errors: [{ messageId: "duplicate", type: "CallExpression", column: 46 }]
+        },
+        {
+            code: "class A extends B { constructor() { super() || super(); } }",
+            errors: [{ messageId: "duplicate", type: "CallExpression", column: 48 }]
+        },
+        {
+            code: "class A extends B { constructor() { if (a) super(); super(); } }",
+            errors: [{ messageId: "duplicate", type: "CallExpression", column: 53 }]
+        },
+        {
+            code: "class A extends B { constructor() { switch (a) { case 0: super(); default: super(); } } }",
+            errors: [{ messageId: "duplicate", type: "CallExpression", column: 76 }]
+        },
+        {
+            code: "class A extends B { constructor(a) { while (a) super(); } }",
+            errors: [
+                { messageId: "missingSome", type: "MethodDefinition" },
+                { messageId: "duplicate", type: "CallExpression", column: 48 }
+            ]
+        },
+
+        // ignores `super()` on unreachable paths.
+        {
+            code: "class A extends B { constructor() { return; super(); } }",
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8248
+        {
+            code: `class Foo extends Bar {
+                constructor() {
+                    for (a in b) for (c in d);
+                }
+            }`,
+            errors: [{ messageId: "missingAll", type: "MethodDefinition" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/curly.js b/eslint/tests/lib/rules/curly.js
new file mode 100644
index 0000000..1d5ee8c
--- /dev/null
+++ b/eslint/tests/lib/rules/curly.js
@@ -0,0 +1,1287 @@
+/**
+ * @fileoverview Tests for curly rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/curly"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("curly", rule, {
+    valid: [
+        "if (foo) { bar() }",
+        "if (foo) { bar() } else if (foo2) { baz() }",
+        "while (foo) { bar() }",
+        "do { bar(); } while (foo)",
+        "for (;foo;) { bar() }",
+        "for (var foo in bar) { console.log(foo) }",
+        {
+            code: "for (var foo of bar) { console.log(foo) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (;foo;) bar()",
+            options: ["multi"]
+        },
+        {
+            code: "if (foo) bar()",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { b; c; }",
+            options: ["multi"]
+        },
+        {
+            code: "for (var foo in bar) console.log(foo)",
+            options: ["multi"]
+        },
+        {
+            code: "for (var foo in bar) { console.log(1); console.log(2) }",
+            options: ["multi"]
+        },
+        {
+            code: "for (var foo of bar) console.log(foo)",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (var foo of bar) { console.log(1); console.log(2) }",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) bar()",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) bar() \n",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) bar(); else baz()",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) bar(); \n else baz()",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) bar() \n else if (foo) bar() \n else baz()",
+            options: ["multi-line"]
+        },
+        {
+            code: "do baz(); while (foo)",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) { bar() }",
+            options: ["multi-line"]
+        },
+        {
+            code: "for (var foo in bar) console.log(foo)",
+            options: ["multi-line"]
+        },
+        {
+            code: "for (var foo in bar) { \n console.log(1); \n console.log(2); \n }",
+            options: ["multi-line"]
+        },
+        {
+            code: "for (var foo of bar) console.log(foo)",
+            options: ["multi-line"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (var foo of bar) { \n console.log(1); \n console.log(2); \n }",
+            options: ["multi-line"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { \n bar(); \n baz(); \n }",
+            options: ["multi-line"]
+        },
+        {
+            code: "do bar() \n while (foo)",
+            options: ["multi-line"]
+        },
+        {
+            code: "if (foo) { \n quz = { \n bar: baz, \n qux: foo \n }; \n }",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "while (true) { \n if (foo) \n doSomething(); \n else \n doSomethingElse(); \n }",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) \n quz = true;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) { \n // line of comment \n quz = true; \n }",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "// line of comment \n if (foo) \n quz = true; \n",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "while (true) \n doSomething();",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var i = 0; foo; i++) \n doSomething();",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) { \n if(bar) \n doSomething(); \n } else \n doSomethingElse();",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo in bar) \n console.log(foo)",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo in bar) { \n if (foo) console.log(1); \n else console.log(2) \n }",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo of bar) \n console.log(foo)",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (var foo of bar) { \n if (foo) console.log(1); \n else console.log(2) \n }",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { const bar = 'baz'; }",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "while (foo) { let bar = 'baz'; }",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for(;;) { function foo() {} }",
+            options: ["multi"]
+        },
+        {
+            code: "for (foo in bar) { class Baz {} }",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { let bar; } else { baz(); }",
+            options: ["multi", "consistent"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { bar(); } else { const baz = 'quux'; }",
+            options: ["multi", "consistent"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { \n const bar = 'baz'; \n }",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { \n let bar = 'baz'; \n }",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { \n function bar() {} \n }",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { \n class bar {} \n }",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/12370
+        {
+            code: "if (foo) doSomething() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else if (bar) doSomethingElse() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else doSomethingElse() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else if (bar) doSomethingElse(); \n else doAnotherThing() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var i = 0; foo; i++) doSomething() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo in bar) console.log(foo) \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo of bar) console.log(foo) \n ;",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "while (foo) doSomething() \n ;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "do doSomething() \n ;while (foo)",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo)\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else if (bar)\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (foo) doSomething(); \n else if (bar) doSomethingElse(); \n else\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var i = 0; foo; i++)\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo in bar)\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "for (var foo of bar)\n;",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "while (foo)\n;",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "do\n;while (foo)",
+            options: ["multi-or-nest"]
+        },
+
+        // https://github.com/eslint/eslint/issues/3856
+        {
+            code: "if (true) { if (false) console.log(1) } else console.log(2)",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { if (b) console.log(1); else if (c) console.log(2) } else console.log(3)",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) { while(false) if (true); } else;",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) { label: if (false); } else;",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) { with(0) if (false); } else;",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) { while(a) if(b) while(c) if (d); else; } else;",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) foo(); else { bar(); baz(); }",
+            options: ["multi"]
+        },
+        {
+            code: "if (true) { foo(); } else { bar(); baz(); }",
+            options: ["multi", "consistent"]
+        },
+        {
+            code: "if (true) { foo(); } else if (true) { faa(); } else { bar(); baz(); }",
+            options: ["multi", "consistent"]
+        },
+        {
+            code: "if (true) { foo(); faa(); } else { bar(); }",
+            options: ["multi", "consistent"]
+        },
+        {
+
+            // https://github.com/feross/standard/issues/664
+            code: "if (true) foo()\n;[1, 2, 3].bar()",
+            options: ["multi-line"]
+        },
+
+        // https://github.com/eslint/eslint/issues/12928 (also in invalid[])
+        {
+            code: "if (x) for (var i in x) { if (i > 0) console.log(i); } else console.log('whoops');",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { if (b) foo(); } else bar();",
+            options: ["multi-or-nest"]
+        },
+        {
+            code: "if (a) { if (b) foo(); } else { bar(); }",
+            options: ["multi", "consistent"]
+        },
+        {
+            code: "if (a) { if (b) foo(); } else { bar(); }",
+            options: ["multi-or-nest", "consistent"]
+        },
+        {
+            code: "if (a) { if (b) { foo(); bar(); } } else baz();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) foo(); else if (b) { if (c) bar(); } else baz();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { if (b) foo(); else if (c) bar(); } else baz();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) if (b) foo(); else { if (c) bar(); } else baz();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { lbl:if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { lbl1:lbl2:if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { for (;;) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { for (key in obj) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { for (elem of arr) if (b) foo(); } else bar();",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "if (a) { with (obj) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { while (cond) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) { while (cond) for (;;) for (key in obj) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) while (cond) { for (;;) for (key in obj) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) while (cond) for (;;) { for (key in obj) if (b) foo(); } else bar();",
+            options: ["multi"]
+        },
+        {
+            code: "if (a) while (cond) for (;;) for (key in obj) { if (b) foo(); } else bar();",
+            options: ["multi"]
+        }
+    ],
+    invalid: [
+        {
+            code: "if (foo) bar()",
+            output: "if (foo) {bar()}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { bar() } else baz()",
+            output: "if (foo) { bar() } else {baz()}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { bar() } else if (faa) baz()",
+            output: "if (foo) { bar() } else if (faa) {baz()}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "while (foo) bar()",
+            output: "while (foo) {bar()}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "do bar(); while (foo)",
+            output: "do {bar();} while (foo)",
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "do" },
+                    type: "DoWhileStatement"
+                }
+            ]
+        },
+        {
+            code: "for (;foo;) bar()",
+            output: "for (;foo;) {bar()}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "for" },
+                    type: "ForStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) console.log(foo)",
+            output: "for (var foo in bar) {console.log(foo)}",
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) console.log(foo)",
+            output: "for (var foo of bar) {console.log(foo)}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "for (;foo;) { bar() }",
+            output: "for (;foo;)  bar() ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "for" },
+                    type: "ForStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { bar() }",
+            output: "if (foo)  bar() ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "while (foo) { bar() }",
+            output: "while (foo)  bar() ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) baz(); else { bar() }",
+            output: "if (foo) baz(); else  bar() ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (true) { if (false) console.log(1) }",
+            output: "if (true)  if (false) console.log(1) ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (a) { if (b) console.log(1); else console.log(2) } else console.log(3)",
+            output: null,
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: [
+                "if (0)",
+                "    console.log(0)",
+                "else if (1) {",
+                "    console.log(1)",
+                "    console.log(1)",
+                "} else {",
+                "    if (2)",
+                "        console.log(2)",
+                "    else",
+                "        console.log(3)",
+                "}"
+            ].join("\n"),
+            output: [
+                "if (0)",
+                "    console.log(0)",
+                "else if (1) {",
+                "    console.log(1)",
+                "    console.log(1)",
+                "} else ",
+                "    if (2)",
+                "        console.log(2)",
+                "    else",
+                "        console.log(3)",
+                ""
+            ].join("\n"),
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement",
+                    line: 6,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) { console.log(foo) }",
+            output: "for (var foo in bar)  console.log(foo) ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) { console.log(foo) }",
+            output: "for (var foo of bar)  console.log(foo) ",
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) \n baz()",
+            output: "if (foo) \n {baz()}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "while (foo) \n baz()",
+            output: "while (foo) \n {baz()}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "for (;foo;) \n bar()",
+            output: "for (;foo;) \n {bar()}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "for" },
+                    type: "ForStatement"
+                }
+            ]
+        },
+        {
+            code: "while (bar && \n baz) \n foo()",
+            output: "while (bar && \n baz) \n {foo()}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) bar(baz, \n baz)",
+            output: "if (foo) {bar(baz, \n baz)}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "do \n foo(); \n while (bar)",
+            output: "do \n {foo();} \n while (bar)",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "do" },
+                    type: "DoWhileStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) \n console.log(foo)",
+            output: "for (var foo in bar) \n {console.log(foo)}",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) \n console.log(1); \n console.log(2)",
+            output: "for (var foo in bar) \n {console.log(1);} \n console.log(2)",
+            options: ["multi-line"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) \n console.log(foo)",
+            output: "for (var foo of bar) \n {console.log(foo)}",
+            options: ["multi-line"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) \n console.log(1); \n console.log(2)",
+            output: "for (var foo of bar) \n {console.log(1);} \n console.log(2)",
+            options: ["multi-line"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) \n quz = { \n bar: baz, \n qux: foo \n };",
+            output: "if (foo) \n {quz = { \n bar: baz, \n qux: foo \n };}",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "while (true) \n if (foo) \n doSomething(); \n else \n doSomethingElse(); \n",
+            output: "while (true) \n {if (foo) \n doSomething(); \n else \n doSomethingElse();} \n",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { \n quz = true; \n }",
+            output: "if (foo)  \n quz = true; \n ",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { var bar = 'baz'; }",
+            output: "if (foo)  var bar = 'baz'; ",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { let bar; } else baz();",
+            output: "if (foo) { let bar; } else {baz();}",
+            options: ["multi", "consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) bar(); else { const baz = 'quux' }",
+            output: "if (foo) {bar();} else { const baz = 'quux' }",
+            options: ["multi", "consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) { \n var bar = 'baz'; \n }",
+            output: "if (foo)  \n var bar = 'baz'; \n ",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "while (true) { \n doSomething(); \n }",
+            output: "while (true)  \n doSomething(); \n ",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "while" },
+                    type: "WhileStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var i = 0; foo; i++) { \n doSomething(); \n }",
+            output: "for (var i = 0; foo; i++)  \n doSomething(); \n ",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "for" },
+                    type: "ForStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) \n if (foo) console.log(1); \n else console.log(2);",
+            output: "for (var foo in bar) \n {if (foo) console.log(1); \n else console.log(2);}",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in bar) { if (foo) console.log(1) }",
+            output: "for (var foo in bar)  if (foo) console.log(1) ",
+            options: ["multi-or-nest"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "for-in" },
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) \n if (foo) console.log(1); \n else console.log(2);",
+            output: "for (var foo of bar) \n {if (foo) console.log(1); \n else console.log(2);}",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of bar) { if (foo) console.log(1) }",
+            output: "for (var foo of bar)  if (foo) console.log(1) ",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "for-of" },
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (true) foo(); \n else { \n bar(); \n baz(); \n }",
+            output: "if (true) {foo();} \n else { \n bar(); \n baz(); \n }",
+            options: ["multi", "consistent"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (true) { foo(); faa(); }\n else bar();",
+            output: "if (true) { foo(); faa(); }\n else {bar();}",
+            options: ["multi", "consistent"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (true) foo(); else { baz(); }",
+            output: "if (true) foo(); else  baz(); ",
+            options: ["multi", "consistent"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "else" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "if (true) foo(); else if (true) faa(); else { bar(); baz(); }",
+            output: "if (true) {foo();} else if (true) {faa();} else { bar(); baz(); }",
+            options: ["multi", "consistent"],
+            errors: [
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                },
+                {
+                    messageId: "missingCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "do{foo();} while (bar)",
+            output: "do foo(); while (bar)",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "do" },
+                    type: "DoWhileStatement"
+                }
+            ]
+        },
+        {
+            code: "do{[1, 2, 3].map(bar);} while (bar)",
+            output: "do[1, 2, 3].map(bar); while (bar)",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "do" },
+                    type: "DoWhileStatement"
+                }
+            ]
+        },
+        {
+            code: "if (foo) {bar()} baz()",
+            output: null,
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfterCondition",
+                    data: { name: "if" },
+                    type: "IfStatement"
+                }
+            ]
+        },
+        {
+            code: "do {foo();} while (bar)",
+            output: "do foo(); while (bar)",
+            options: ["multi"],
+            errors: [
+                {
+                    messageId: "unexpectedCurlyAfter",
+                    data: { name: "do" },
+                    type: "DoWhileStatement"
+                }
+            ]
+        },
+
+        // Don't remove curly braces if it would cause issues due to ASI.
+        {
+            code: "if (foo) { bar }\n++baz;",
+            output: null,
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar; }\n++baz;",
+            output: "if (foo)  bar; \n++baz;",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar++ }\nbaz;",
+            output: null,
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar }\n[1, 2, 3].map(foo);",
+            output: null,
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar }\n(1).toString();",
+            output: null,
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar }\n/regex/.test('foo');",
+            output: null,
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { bar }\nBaz();",
+            output: "if (foo)  bar \nBaz();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  while (b) {\n" +
+            "    c();\n" +
+            "    d();\n" +
+            "  }\n" +
+            "} else e();",
+            output:
+            "if (a) \n" +
+            "  while (b) {\n" +
+            "    c();\n" +
+            "    d();\n" +
+            "  }\n" +
+            " else e();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { while (bar) {} } else {}",
+            output: "if (foo)  while (bar) {}  else {}",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { var foo = () => {} } else {}",
+            output: null,
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { var foo = function() {} } else {}",
+            output: null,
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) { var foo = function*() {} } else {}",
+            output: null,
+            options: ["multi"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (true)\nfoo()\n;[1, 2, 3].bar()",
+            output: "if (true)\n{foo()\n;}[1, 2, 3].bar()",
+            options: ["multi-line"],
+            errors: [{ messageId: "missingCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/12370
+        {
+            code: "if (foo) {\ndoSomething()\n;\n}",
+            output: "if (foo) \ndoSomething()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) doSomething();\nelse if (bar) {\ndoSomethingElse()\n;\n}",
+            output: "if (foo) doSomething();\nelse if (bar) \ndoSomethingElse()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (foo) doSomething();\nelse {\ndoSomethingElse()\n;\n}",
+            output: "if (foo) doSomething();\nelse \ndoSomethingElse()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfter", data: { name: "else" }, type: "IfStatement" }]
+        },
+        {
+            code: "for (var i = 0; foo; i++) {\ndoSomething()\n;\n}",
+            output: "for (var i = 0; foo; i++) \ndoSomething()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "for" }, type: "ForStatement" }]
+        },
+        {
+            code: "for (var foo in bar) {\ndoSomething()\n;\n}",
+            output: "for (var foo in bar) \ndoSomething()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfter", data: { name: "for-in" }, type: "ForInStatement" }]
+        },
+        {
+            code: "for (var foo of bar) {\ndoSomething()\n;\n}",
+            output: "for (var foo of bar) \ndoSomething()\n;\n",
+            options: ["multi-or-nest"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpectedCurlyAfter", data: { name: "for-of" }, type: "ForOfStatement" }]
+        },
+        {
+            code: "while (foo) {\ndoSomething()\n;\n}",
+            output: "while (foo) \ndoSomething()\n;\n",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }]
+        },
+        {
+            code: "do {\ndoSomething()\n;\n} while (foo)",
+            output: "do \ndoSomething()\n;\n while (foo)",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfter", data: { name: "do" }, type: "DoWhileStatement" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/12928 (also in valid[])
+        {
+            code: "if (a) { if (b) foo(); }",
+            output: "if (a)  if (b) foo(); ",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) { if (b) foo(); else bar(); }",
+            output: "if (a)  if (b) foo(); else bar(); ",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) { if (b) foo(); else bar(); } baz();",
+            output: "if (a)  if (b) foo(); else bar();  baz();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) { while (cond) if (b) foo(); }",
+            output: "if (a)  while (cond) if (b) foo(); ",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) while (cond) { if (b) foo(); }",
+            output: "if (a) while (cond)  if (b) foo(); ",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }]
+        },
+        {
+            code: "if (a) while (cond) { if (b) foo(); else bar(); }",
+            output: "if (a) while (cond)  if (b) foo(); else bar(); ",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }]
+        },
+        {
+            code: "if (a) { while (cond) { if (b) foo(); } bar(); baz() } else quux();",
+            output: "if (a) { while (cond)  if (b) foo();  bar(); baz() } else quux();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }]
+        },
+        {
+            code: "if (a) { if (b) foo(); } bar();",
+            output: "if (a)  if (b) foo();  bar();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if(a) { if (b) foo(); } if (c) bar(); else baz();",
+            output: "if(a)  if (b) foo();  if (c) bar(); else baz();",
+            options: ["multi-or-nest"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) { do if (b) foo(); while (cond); } else bar();",
+            output: "if (a)  do if (b) foo(); while (cond);  else bar();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) do { if (b) foo(); } while (cond); else bar();",
+            output: "if (a) do  if (b) foo();  while (cond); else bar();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfter", data: { name: "do" }, type: "DoWhileStatement" }]
+        },
+        {
+            code: "if (a) { if (b) foo(); else bar(); } else baz();",
+            output: "if (a)  if (b) foo(); else bar();  else baz();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) while (cond) { bar(); } else baz();",
+            output: "if (a) while (cond)  bar();  else baz();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }]
+        },
+        {
+            code: "if (a) { for (;;); } else bar();",
+            output: "if (a)  for (;;);  else bar();",
+            options: ["multi"],
+            errors: [{ messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" }]
+        },
+        {
+            code: "if (a) { while (cond) if (b) foo() } else bar();",
+            output: "if (a) { while (cond) if (b) foo() } else {bar();}",
+            options: ["multi", "consistent"],
+            errors: [{ messageId: "missingCurlyAfter", data: { name: "else" }, type: "IfStatement" }]
+        },
+        {
+
+            /**
+             * Reports 2 errors, but one pair of braces is necessary if the other pair gets removed.
+             * Auto-fix will remove only outer braces in the first iteration.
+             * After that, the inner braces will become valid and won't be removed in the second iteration.
+             * If user manually removes inner braces first, the outer braces will become valid.
+             */
+            code: "if (a) { while (cond) { if (b) foo(); } } else bar();",
+            output: "if (a)  while (cond) { if (b) foo(); }  else bar();",
+            options: ["multi"],
+            errors: [
+                { messageId: "unexpectedCurlyAfterCondition", data: { name: "if" }, type: "IfStatement" },
+                { messageId: "unexpectedCurlyAfterCondition", data: { name: "while" }, type: "WhileStatement" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/default-case-last.js b/eslint/tests/lib/rules/default-case-last.js
new file mode 100644
index 0000000..9f75329
--- /dev/null
+++ b/eslint/tests/lib/rules/default-case-last.js
@@ -0,0 +1,128 @@
+/**
+ * @fileoverview Tests for the default-case-last rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/default-case-last");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Creates an error object.
+ * @param {number} [column] Reported column.
+ * @returns {Object} The error object.
+ */
+function error(column) {
+    const errorObject = {
+        messageId: "notLast",
+        type: "SwitchCase"
+    };
+
+    if (column) {
+        errorObject.column = column;
+    }
+
+    return errorObject;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("default-case-last", rule, {
+    valid: [
+        "switch (foo) {}",
+        "switch (foo) { case 1: bar(); break; }",
+        "switch (foo) { case 1: break; }",
+        "switch (foo) { case 1: }",
+        "switch (foo) { case 1: bar(); break; case 2: baz(); break; }",
+        "switch (foo) { case 1: break; case 2: break; }",
+        "switch (foo) { case 1: case 2: break; }",
+        "switch (foo) { case 1: case 2: }",
+        "switch (foo) { default: bar(); break; }",
+        "switch (foo) { default: bar(); }",
+        "switch (foo) { default: break; }",
+        "switch (foo) { default: }",
+        "switch (foo) { case 1: break; default: break; }",
+        "switch (foo) { case 1: break; default: }",
+        "switch (foo) { case 1: default: break; }",
+        "switch (foo) { case 1: default: }",
+        "switch (foo) { case 1: baz(); break; case 2: quux(); break; default: quuux(); break; }",
+        "switch (foo) { case 1: break; case 2: break; default: break; }",
+        "switch (foo) { case 1: break; case 2: break; default: }",
+        "switch (foo) { case 1: case 2: break; default: break; }",
+        "switch (foo) { case 1: break; case 2: default: break; }",
+        "switch (foo) { case 1: break; case 2: default: }",
+        "switch (foo) { case 1: case 2: default: }"
+    ],
+
+    invalid: [
+        {
+            code: "switch (foo) { default: bar(); break; case 1: baz(); break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: break; case 1: break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: break; case 1: }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: case 1: break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: case 1: }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: break; case 1: break; case 2: break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: case 1: break; case 2: break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: case 1: case 2: break; }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { default: case 1: case 2: }",
+            errors: [error(16)]
+        },
+        {
+            code: "switch (foo) { case 1: break; default: break; case 2: break; }",
+            errors: [error(31)]
+        },
+        {
+            code: "switch (foo) { case 1: default: break; case 2: break; }",
+            errors: [error(24)]
+        },
+        {
+            code: "switch (foo) { case 1: break; default: case 2: break; }",
+            errors: [error(31)]
+        },
+        {
+            code: "switch (foo) { case 1: default: case 2: break; }",
+            errors: [error(24)]
+        },
+        {
+            code: "switch (foo) { case 1: default: case 2: }",
+            errors: [error(24)]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/default-case.js b/eslint/tests/lib/rules/default-case.js
new file mode 100644
index 0000000..8c5e3f9
--- /dev/null
+++ b/eslint/tests/lib/rules/default-case.js
@@ -0,0 +1,115 @@
+/**
+ * @fileoverview require default case in switch statements
+ * @author Aliaksei Shytkin
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/default-case"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("default-case", rule, {
+
+    valid: [
+        "switch (a) { case 1: break; default: break; }",
+        "switch (a) { case 1: break; case 2: default: break; }",
+        "switch (a) { case 1: break; default: break; \n //no default \n }",
+        "switch (a) { \n    case 1: break; \n\n//oh-oh \n // no default\n }",
+        "switch (a) { \n    case 1: \n\n// no default\n }",
+        "switch (a) { \n    case 1: \n\n// No default\n }",
+        "switch (a) { \n    case 1: \n\n// no deFAUlt\n }",
+        "switch (a) { \n    case 1: \n\n// NO DEFAULT\n }",
+        "switch (a) { \n    case 1: a = 4; \n\n// no default\n }",
+        "switch (a) { \n    case 1: a = 4; \n\n/* no default */\n }",
+        "switch (a) { \n    case 1: a = 4; break; break; \n\n// no default\n }",
+        "switch (a) { // no default\n }",
+        "switch (a) { }",
+        {
+            code: "switch (a) { case 1: break; default: break; }",
+            options: [{
+                commentPattern: "default case omitted"
+            }]
+        },
+        {
+            code: "switch (a) { case 1: break; \n // skip default case \n }",
+            options: [{
+                commentPattern: "^skip default"
+            }]
+        },
+        {
+            code: "switch (a) { case 1: break; \n /*\nTODO:\n throw error in default case\n*/ \n }",
+            options: [{
+                commentPattern: "default"
+            }]
+        },
+        {
+            code: "switch (a) { case 1: break; \n// \n }",
+            options: [{
+                commentPattern: ".?"
+            }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "switch (a) { case 1: break; }",
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        },
+        {
+            code: "switch (a) { \n // no default \n case 1: break;  }",
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        },
+        {
+            code: "switch (a) { case 1: break; \n // no default \n // nope \n  }",
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        },
+        {
+            code: "switch (a) { case 1: break; \n // no default \n }",
+            options: [{
+                commentPattern: "skipped default case"
+            }],
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        },
+        {
+            code: "switch (a) {\ncase 1: break; \n// default omitted intentionally \n// TODO: add default case \n}",
+            options: [{
+                commentPattern: "default omitted"
+            }],
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        },
+        {
+            code: "switch (a) {\ncase 1: break;\n}",
+            options: [{
+                commentPattern: ".?"
+            }],
+            errors: [{
+                messageId: "missingDefaultCase",
+                type: "SwitchStatement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/default-param-last.js b/eslint/tests/lib/rules/default-param-last.js
new file mode 100644
index 0000000..05321f5
--- /dev/null
+++ b/eslint/tests/lib/rules/default-param-last.js
@@ -0,0 +1,106 @@
+/**
+ * @fileoverview Test file for default-param-last
+ * @author Chiawen Chen
+ */
+"use strict";
+
+const rule = require("../../../lib/rules/default-param-last");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+const SHOULD_BE_LAST = "shouldBeLast";
+
+const ruleTester = new RuleTester({
+    parserOptions: { ecmaVersion: 8 }
+});
+
+const cannedError = {
+    messageId: SHOULD_BE_LAST,
+    type: "AssignmentPattern"
+};
+
+ruleTester.run("default-param-last", rule, {
+    valid: [
+        "function f() {}",
+        "function f(a) {}",
+        "function f(a = 5) {}",
+        "function f(a, b) {}",
+        "function f(a, b = 5) {}",
+        "function f(a, b = 5, c = 5) {}",
+        "function f(a, b = 5, ...c) {}",
+        "const f = () => {}",
+        "const f = (a) => {}",
+        "const f = (a = 5) => {}",
+        "const f = function f() {}",
+        "const f = function f(a) {}",
+        "const f = function f(a = 5) {}"
+    ],
+    invalid: [
+        {
+            code: "function f(a = 5, b) {}",
+            errors: [
+                {
+                    messageId: SHOULD_BE_LAST,
+                    column: 12,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "function f(a = 5, b = 6, c) {}",
+            errors: [
+                {
+                    messageId: SHOULD_BE_LAST,
+                    column: 12,
+                    endColumn: 17
+                },
+                {
+                    messageId: SHOULD_BE_LAST,
+                    column: 19,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code: "function f (a = 5, b, c = 6, d) {}",
+            errors: [cannedError, cannedError]
+        },
+        {
+            code: "function f(a = 5, b, c = 5) {}",
+            errors: [
+                {
+                    messageId: SHOULD_BE_LAST,
+                    column: 12,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "const f = (a = 5, b, ...c) => {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = function f (a, b = 5, c) {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = (a = 5, { b }) => {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = ({ a } = {}, b) => {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = ({ a, b } = { a: 1, b: 2 }, c) => {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = ([a] = [], b) => {}",
+            errors: [cannedError]
+        },
+        {
+            code: "const f = ([a, b] = [1, 2], c) => {}",
+            errors: [cannedError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/dot-location.js b/eslint/tests/lib/rules/dot-location.js
new file mode 100644
index 0000000..1a6ea37
--- /dev/null
+++ b/eslint/tests/lib/rules/dot-location.js
@@ -0,0 +1,260 @@
+/**
+ * @fileoverview Tests for dot-location.
+ * @author Greg Cochard
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/dot-location"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("dot-location", rule, {
+    valid: [
+        "obj.\nprop",
+        "obj. \nprop",
+        "obj.\n prop",
+        "(obj).\nprop",
+        "obj\n['prop']",
+        "obj['prop']",
+        {
+            code: "obj.\nprop",
+            options: ["object"]
+        },
+        {
+            code: "obj\n.prop",
+            options: ["property"]
+        },
+        {
+            code: "(obj)\n.prop",
+            options: ["property"]
+        },
+        {
+            code: "obj . prop",
+            options: ["object"]
+        },
+        {
+            code: "obj /* a */ . prop",
+            options: ["object"]
+        },
+        {
+            code: "obj . \nprop",
+            options: ["object"]
+        },
+        {
+            code: "obj . prop",
+            options: ["property"]
+        },
+        {
+            code: "obj . /* a */ prop",
+            options: ["property"]
+        },
+        {
+            code: "obj\n. prop",
+            options: ["property"]
+        },
+        {
+            code: "f(a\n).prop",
+            options: ["object"]
+        },
+        {
+            code: "`\n`.prop",
+            options: ["object"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "obj[prop]",
+            options: ["object"]
+        },
+        {
+            code: "obj\n[prop]",
+            options: ["object"]
+        },
+        {
+            code: "obj[\nprop]",
+            options: ["object"]
+        },
+        {
+            code: "obj\n[\nprop\n]",
+            options: ["object"]
+        },
+        {
+            code: "obj[prop]",
+            options: ["property"]
+        },
+        {
+            code: "obj\n[prop]",
+            options: ["property"]
+        },
+        {
+            code: "obj[\nprop]",
+            options: ["property"]
+        },
+        {
+            code: "obj\n[\nprop\n]",
+            options: ["property"]
+        },
+
+        // https://github.com/eslint/eslint/issues/11868 (also in invalid)
+        {
+            code: "(obj).prop",
+            options: ["object"]
+        },
+        {
+            code: "(obj).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "(obj\n).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "(\nobj\n).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "((obj\n)).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "(f(a)\n).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "((obj\n)\n).\nprop",
+            options: ["object"]
+        },
+        {
+            code: "(\na &&\nb()\n).toString()",
+            options: ["object"]
+        }
+    ],
+    invalid: [
+        {
+            code: "obj\n.property",
+            output: "obj.\nproperty",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 2, column: 1, endLine: 2, endColumn: 2 }]
+        },
+        {
+            code: "obj.\nproperty",
+            output: "obj\n.property",
+            options: ["property"],
+            errors: [{ messageId: "expectedDotBeforeProperty", type: "MemberExpression", line: 1, column: 4, endLine: 1, endColumn: 5 }]
+        },
+        {
+            code: "(obj).\nproperty",
+            output: "(obj)\n.property",
+            options: ["property"],
+            errors: [{ messageId: "expectedDotBeforeProperty", type: "MemberExpression", line: 1, column: 6 }]
+        },
+        {
+            code: "5\n.toExponential()",
+            output: "5 .\ntoExponential()",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 2, column: 1 }]
+        },
+        {
+            code: "-5\n.toExponential()",
+            output: "-5 .\ntoExponential()",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 2, column: 1 }]
+        },
+        {
+            code: "foo /* a */ . /* b */ \n /* c */ bar",
+            output: "foo /* a */  /* b */ \n /* c */ .bar",
+            options: ["property"],
+            errors: [{ messageId: "expectedDotBeforeProperty", type: "MemberExpression", line: 1, column: 13 }]
+        },
+        {
+            code: "foo /* a */ \n /* b */ . /* c */ bar",
+            output: "foo. /* a */ \n /* b */  /* c */ bar",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 2, column: 10 }]
+        },
+        {
+            code: "f(a\n)\n.prop",
+            output: "f(a\n).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "`\n`\n.prop",
+            output: "`\n`.\nprop",
+            options: ["object"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11868 (also in valid)
+        {
+            code: "(a\n)\n.prop",
+            output: "(a\n).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "(a\n)\n.\nprop",
+            output: "(a\n).\n\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "(f(a)\n)\n.prop",
+            output: "(f(a)\n).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "(f(a\n)\n)\n.prop",
+            output: "(f(a\n)\n).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 4, column: 1 }]
+        },
+        {
+            code: "((obj\n))\n.prop",
+            output: "((obj\n)).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "((obj\n)\n)\n.prop",
+            output: "((obj\n)\n).\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 4, column: 1 }]
+        },
+        {
+            code: "(a\n) /* a */ \n.prop",
+            output: "(a\n). /* a */ \nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 1 }]
+        },
+        {
+            code: "(a\n)\n/* a */\n.prop",
+            output: "(a\n).\n/* a */\nprop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 4, column: 1 }]
+        },
+        {
+            code: "(a\n)\n/* a */.prop",
+            output: "(a\n).\n/* a */prop",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 3, column: 8 }]
+        },
+        {
+            code: "(5)\n.toExponential()",
+            output: "(5).\ntoExponential()",
+            options: ["object"],
+            errors: [{ messageId: "expectedDotAfterObject", type: "MemberExpression", line: 2, column: 1 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/dot-notation.js b/eslint/tests/lib/rules/dot-notation.js
new file mode 100644
index 0000000..5532ea3
--- /dev/null
+++ b/eslint/tests/lib/rules/dot-notation.js
@@ -0,0 +1,223 @@
+/**
+ * @fileoverview Tests for dot-notation rule.
+ * @author Josh Perez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/dot-notation"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+/**
+ * Quote a string in "double quotes" because it’s painful
+ * with a double-quoted string literal
+ * @param   {string} str The string to quote
+ * @returns {string}     `"${str}"`
+ */
+function q(str) {
+    return `"${str}"`;
+}
+
+ruleTester.run("dot-notation", rule, {
+    valid: [
+        "a.b;",
+        "a.b.c;",
+        "a['12'];",
+        "a[b];",
+        "a[0];",
+        { code: "a.b.c;", options: [{ allowKeywords: false }] },
+        { code: "a.arguments;", options: [{ allowKeywords: false }] },
+        { code: "a.let;", options: [{ allowKeywords: false }] },
+        { code: "a.yield;", options: [{ allowKeywords: false }] },
+        { code: "a.eval;", options: [{ allowKeywords: false }] },
+        { code: "a[0];", options: [{ allowKeywords: false }] },
+        { code: "a['while'];", options: [{ allowKeywords: false }] },
+        { code: "a['true'];", options: [{ allowKeywords: false }] },
+        { code: "a['null'];", options: [{ allowKeywords: false }] },
+        { code: "a[true];", options: [{ allowKeywords: false }] },
+        { code: "a[null];", options: [{ allowKeywords: false }] },
+        { code: "a.true;", options: [{ allowKeywords: true }] },
+        { code: "a.null;", options: [{ allowKeywords: true }] },
+        { code: "a['snake_case'];", options: [{ allowPattern: "^[a-z]+(_[a-z]+)+$" }] },
+        { code: "a['lots_of_snake_case'];", options: [{ allowPattern: "^[a-z]+(_[a-z]+)+$" }] },
+        { code: "a[`time${range}`];", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[`while`];", options: [{ allowKeywords: false }], parserOptions: { ecmaVersion: 6 } },
+        { code: "a[`time range`];", parserOptions: { ecmaVersion: 6 } },
+        "a.true;",
+        "a.null;",
+        "a[undefined];",
+        "a[void 0];",
+        "a[b()];",
+        { code: "a[/(?<zero>0)/];", parserOptions: { ecmaVersion: 2018 } }
+    ],
+    invalid: [
+        {
+            code: "a.true;",
+            output: "a[\"true\"];",
+            options: [{ allowKeywords: false }],
+            errors: [{ messageId: "useBrackets", data: { key: "true" } }]
+        },
+        {
+            code: "a['true'];",
+            output: "a.true;",
+            errors: [{ messageId: "useDot", data: { key: q("true") } }]
+        },
+        {
+            code: "a[`time`];",
+            output: "a.time;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "useDot", data: { key: "`time`" } }]
+        },
+        {
+            code: "a[null];",
+            output: "a.null;",
+            errors: [{ messageId: "useDot", data: { key: "null" } }]
+        },
+        {
+            code: "a[true];",
+            output: "a.true;",
+            errors: [{ messageId: "useDot", data: { key: "true" } }]
+        },
+        {
+            code: "a[false];",
+            output: "a.false;",
+            errors: [{ messageId: "useDot", data: { key: "false" } }]
+        },
+        {
+            code: "a['b'];",
+            output: "a.b;",
+            errors: [{ messageId: "useDot", data: { key: q("b") } }]
+        },
+        {
+            code: "a.b['c'];",
+            output: "a.b.c;",
+            errors: [{ messageId: "useDot", data: { key: q("c") } }]
+        },
+        {
+            code: "a['_dangle'];",
+            output: "a._dangle;",
+            options: [{ allowPattern: "^[a-z]+(_[a-z]+)+$" }],
+            errors: [{ messageId: "useDot", data: { key: q("_dangle") } }]
+        },
+        {
+            code: "a['SHOUT_CASE'];",
+            output: "a.SHOUT_CASE;",
+            options: [{ allowPattern: "^[a-z]+(_[a-z]+)+$" }],
+            errors: [{ messageId: "useDot", data: { key: q("SHOUT_CASE") } }]
+        },
+        {
+            code:
+                "a\n" +
+                "  ['SHOUT_CASE'];",
+            output:
+                "a\n" +
+                "  .SHOUT_CASE;",
+            errors: [{
+                messageId: "useDot",
+                data: { key: q("SHOUT_CASE") },
+                line: 2,
+                column: 4
+            }]
+        },
+        {
+            code:
+            "getResource()\n" +
+            "    .then(function(){})\n" +
+            "    [\"catch\"](function(){})\n" +
+            "    .then(function(){})\n" +
+            "    [\"catch\"](function(){});",
+            output:
+            "getResource()\n" +
+            "    .then(function(){})\n" +
+            "    .catch(function(){})\n" +
+            "    .then(function(){})\n" +
+            "    .catch(function(){});",
+            errors: [
+                {
+                    messageId: "useDot",
+                    data: { key: q("catch") },
+                    line: 3,
+                    column: 6
+                },
+                {
+                    messageId: "useDot",
+                    data: { key: q("catch") },
+                    line: 5,
+                    column: 6
+                }
+            ]
+        },
+        {
+            code:
+            "foo\n" +
+            "  .while;",
+            output:
+            "foo\n" +
+            "  [\"while\"];",
+            options: [{ allowKeywords: false }],
+            errors: [{ messageId: "useBrackets", data: { key: "while" } }]
+        },
+        {
+            code: "foo[ /* comment */ 'bar' ]",
+            output: null, // Not fixed due to comment
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "foo[ 'bar' /* comment */ ]",
+            output: null, // Not fixed due to comment
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "foo[    'bar'    ];",
+            output: "foo.bar;",
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "foo. /* comment */ while",
+            output: null, // Not fixed due to comment
+            options: [{ allowKeywords: false }],
+            errors: [{ messageId: "useBrackets", data: { key: "while" } }]
+        },
+        {
+            code: "foo[('bar')]",
+            output: "foo.bar",
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "foo[(null)]",
+            output: "foo.null",
+            errors: [{ messageId: "useDot", data: { key: "null" } }]
+        },
+        {
+            code: "(foo)['bar']",
+            output: "(foo).bar",
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "1['toString']",
+            output: "1 .toString",
+            errors: [{ messageId: "useDot", data: { key: q("toString") } }]
+        },
+        {
+            code: "foo['bar']instanceof baz",
+            output: "foo.bar instanceof baz",
+            errors: [{ messageId: "useDot", data: { key: q("bar") } }]
+        },
+        {
+            code: "let.if()",
+            output: null, // `let["if"]()` is a syntax error because `let[` indicates a destructuring variable declaration
+            options: [{ allowKeywords: false }],
+            errors: [{ messageId: "useBrackets", data: { key: "if" } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/eol-last.js b/eslint/tests/lib/rules/eol-last.js
new file mode 100644
index 0000000..1e5d3eb
--- /dev/null
+++ b/eslint/tests/lib/rules/eol-last.js
@@ -0,0 +1,130 @@
+/**
+ * @fileoverview Tests for eol-last rule.
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/eol-last"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("eol-last", rule, {
+
+    valid: [
+        "",
+        "\n",
+        "var a = 123;\n",
+        "var a = 123;\n\n",
+        "var a = 123;\n   \n",
+
+        "\r\n",
+        "var a = 123;\r\n",
+        "var a = 123;\r\n\r\n",
+        "var a = 123;\r\n   \r\n",
+
+        { code: "var a = 123;", options: ["never"] },
+        { code: "var a = 123;\nvar b = 456;", options: ["never"] },
+        { code: "var a = 123;\r\nvar b = 456;", options: ["never"] },
+
+        // Deprecated: `"unix"` parameter
+        { code: "", options: ["unix"] },
+        { code: "\n", options: ["unix"] },
+        { code: "var a = 123;\n", options: ["unix"] },
+        { code: "var a = 123;\n\n", options: ["unix"] },
+        { code: "var a = 123;\n   \n", options: ["unix"] },
+
+        // Deprecated: `"windows"` parameter
+        { code: "", options: ["windows"] },
+        { code: "\n", options: ["windows"] },
+        { code: "\r\n", options: ["windows"] },
+        { code: "var a = 123;\r\n", options: ["windows"] },
+        { code: "var a = 123;\r\n\r\n", options: ["windows"] },
+        { code: "var a = 123;\r\n   \r\n", options: ["windows"] }
+    ],
+
+    invalid: [
+        {
+            code: "var a = 123;",
+            output: "var a = 123;\n",
+            errors: [{ messageId: "missing", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\n   ",
+            output: "var a = 123;\n   \n",
+            errors: [{ messageId: "missing", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\n",
+            output: "var a = 123;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\r\n",
+            output: "var a = 123;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\r\n\r\n",
+            output: "var a = 123;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\nvar b = 456;\n",
+            output: "var a = 123;\nvar b = 456;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\r\nvar b = 456;\r\n",
+            output: "var a = 123;\r\nvar b = 456;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\n\n",
+            output: "var a = 123;",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "Program" }]
+        },
+
+        // Deprecated: `"unix"` parameter
+        {
+            code: "var a = 123;",
+            output: "var a = 123;\n",
+            options: ["unix"],
+            errors: [{ messageId: "missing", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\n   ",
+            output: "var a = 123;\n   \n",
+            options: ["unix"],
+            errors: [{ messageId: "missing", type: "Program" }]
+        },
+
+        // Deprecated: `"windows"` parameter
+        {
+            code: "var a = 123;",
+            output: "var a = 123;\r\n",
+            options: ["windows"],
+            errors: [{ messageId: "missing", type: "Program" }]
+        },
+        {
+            code: "var a = 123;\r\n   ",
+            output: "var a = 123;\r\n   \r\n",
+            options: ["windows"],
+            errors: [{ messageId: "missing", type: "Program" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/eqeqeq.js b/eslint/tests/lib/rules/eqeqeq.js
new file mode 100644
index 0000000..05e33bb
--- /dev/null
+++ b/eslint/tests/lib/rules/eqeqeq.js
@@ -0,0 +1,175 @@
+/**
+ * @fileoverview Tests for eqeqeq rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/eqeqeq"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const wantedEqEqEq = { expectedOperator: "===", actualOperator: "==" };
+const wantedNotEqEq = { expectedOperator: "!==", actualOperator: "!=" };
+const wantedEqEq = { expectedOperator: "==", actualOperator: "===" };
+const wantedNotEq = { expectedOperator: "!=", actualOperator: "!==" };
+
+ruleTester.run("eqeqeq", rule, {
+    valid: [
+        "a === b",
+        "a !== b",
+        { code: "a === b", options: ["always"] },
+        { code: "typeof a == 'number'", options: ["smart"] },
+        { code: "'string' != typeof a", options: ["smart"] },
+        { code: "'hello' != 'world'", options: ["smart"] },
+        { code: "2 == 3", options: ["smart"] },
+        { code: "true == true", options: ["smart"] },
+        { code: "null == a", options: ["smart"] },
+        { code: "a == null", options: ["smart"] },
+        { code: "null == a", options: ["allow-null"] },
+        { code: "a == null", options: ["allow-null"] },
+        { code: "a == null", options: ["always", { null: "ignore" }] },
+        { code: "a != null", options: ["always", { null: "ignore" }] },
+        { code: "a !== null", options: ["always", { null: "ignore" }] },
+        { code: "a === null", options: ["always", { null: "always" }] },
+        { code: "a !== null", options: ["always", { null: "always" }] },
+        { code: "null === null", options: ["always", { null: "always" }] },
+        { code: "null !== null", options: ["always", { null: "always" }] },
+        { code: "a == null", options: ["always", { null: "never" }] },
+        { code: "a != null", options: ["always", { null: "never" }] },
+        { code: "null == null", options: ["always", { null: "never" }] },
+        { code: "null != null", options: ["always", { null: "never" }] },
+
+        // https://github.com/eslint/eslint/issues/8020
+        { code: "foo === /abc/u", options: ["always", { null: "never" }], parserOptions: { ecmaVersion: 2015 } },
+
+        // bigint
+        { code: "foo === 1n", options: ["always", { null: "never" }], parserOptions: { ecmaVersion: 2020 } }
+    ],
+    invalid: [
+        { code: "a == b", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "a != b", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "typeof a == 'number'", output: "typeof a === 'number'", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "typeof a == 'number'", output: "typeof a === 'number'", options: ["always"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "'string' != typeof a", output: "'string' !== typeof a", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "true == true", output: "true === true", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "2 == 3", output: "2 === 3", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "2 == 3", output: "2 === 3", options: ["always"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "'hello' != 'world'", output: "'hello' !== 'world'", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "'hello' != 'world'", output: "'hello' !== 'world'", options: ["always"], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "a == null", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "a == null", options: ["always"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "null != a", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "true == 1", options: ["smart"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "0 != '1'", options: ["smart"], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "'wee' == /wee/", options: ["smart"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "typeof a == 'number'", output: "typeof a === 'number'", options: ["allow-null"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "'string' != typeof a", output: "'string' !== typeof a", options: ["allow-null"], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "'hello' != 'world'", output: "'hello' !== 'world'", options: ["allow-null"], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "2 == 3", output: "2 === 3", options: ["allow-null"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "true == true", output: "true === true", options: ["allow-null"], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "true == null", options: ["always", { null: "always" }], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "true != null", options: ["always", { null: "always" }], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "null == null", output: "null === null", options: ["always", { null: "always" }], errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression" }] },
+        { code: "null != null", output: "null !== null", options: ["always", { null: "always" }], errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression" }] },
+        { code: "true === null", options: ["always", { null: "never" }], errors: [{ messageId: "unexpected", data: wantedEqEq, type: "BinaryExpression" }] },
+        { code: "true !== null", options: ["always", { null: "never" }], errors: [{ messageId: "unexpected", data: wantedNotEq, type: "BinaryExpression" }] },
+        { code: "null === null", output: "null == null", options: ["always", { null: "never" }], errors: [{ messageId: "unexpected", data: wantedEqEq, type: "BinaryExpression" }] },
+        { code: "null !== null", output: "null != null", options: ["always", { null: "never" }], errors: [{ messageId: "unexpected", data: wantedNotEq, type: "BinaryExpression" }] },
+        { code: "a\n==\nb", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 2 }] },
+        { code: "(a) == b", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 1 }] },
+        { code: "(a) != b", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression", line: 1 }] },
+        { code: "a == (b)", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 1 }] },
+        { code: "a != (b)", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression", line: 1 }] },
+        { code: "(a) == (b)", errors: [{ messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 1 }] },
+        { code: "(a) != (b)", errors: [{ messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression", line: 1 }] },
+        {
+            code: "(a == b) == (c)",
+            errors: [
+                { messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 1 },
+                { messageId: "unexpected", data: wantedEqEqEq, type: "BinaryExpression", line: 1 }
+            ]
+        },
+        {
+            code: "(a != b) != (c)",
+            errors: [
+                { messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression", line: 1 },
+                { messageId: "unexpected", data: wantedNotEqEq, type: "BinaryExpression", line: 1 }
+            ]
+        },
+
+        // location tests
+        {
+            code: "a == b;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    data: wantedEqEqEq,
+                    type: "BinaryExpression",
+                    column: 3,
+                    endColumn: 5
+                }
+            ]
+        },
+        {
+            code: "a!=b;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    data: wantedNotEqEq,
+                    type: "BinaryExpression",
+                    column: 2,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "(a + b) == c;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    data: wantedEqEqEq,
+                    type: "BinaryExpression",
+                    column: 9,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "(a + b)  !=  c;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    data: wantedNotEqEq,
+                    type: "BinaryExpression",
+                    column: 10,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "((1) )  ==  (2);",
+            output: "((1) )  ===  (2);",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    data: wantedEqEqEq,
+                    type: "BinaryExpression",
+                    column: 9,
+                    endColumn: 11
+                }
+            ]
+        }
+
+    // If no output is provided, assert that no output is produced.
+    ].map(invalidCase => Object.assign({ output: null }, invalidCase))
+});
diff --git a/eslint/tests/lib/rules/for-direction.js b/eslint/tests/lib/rules/for-direction.js
new file mode 100644
index 0000000..a04b10e
--- /dev/null
+++ b/eslint/tests/lib/rules/for-direction.js
@@ -0,0 +1,82 @@
+/**
+ * @fileoverview Tests for for-direction rule.
+ * @author Aladdin-ADD <hh_2013@foxmail.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/for-direction");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const incorrectDirection = { messageId: "incorrectDirection" };
+
+ruleTester.run("for-direction", rule, {
+    valid: [
+
+        // test if '++', '--'
+        "for(var i = 0; i < 10; i++){}",
+        "for(var i = 0; i <= 10; i++){}",
+        "for(var i = 10; i > 0; i--){}",
+        "for(var i = 10; i >= 0; i--){}",
+
+        // test if '+=', '-=',
+        "for(var i = 0; i < 10; i+=1){}",
+        "for(var i = 0; i <= 10; i+=1){}",
+        "for(var i = 0; i < 10; i-=-1){}",
+        "for(var i = 0; i <= 10; i-=-1){}",
+        "for(var i = 10; i > 0; i-=1){}",
+        "for(var i = 10; i >= 0; i-=1){}",
+        "for(var i = 10; i > 0; i+=-1){}",
+        "for(var i = 10; i >= 0; i+=-1){}",
+
+        // test if no update.
+        "for(var i = 10; i > 0;){}",
+        "for(var i = 10; i >= 0;){}",
+        "for(var i = 10; i < 0;){}",
+        "for(var i = 10; i <= 0;){}",
+        "for(var i = 10; i <= 0; j++){}",
+        "for(var i = 10; i <= 0; j--){}",
+        "for(var i = 10; i >= 0; j++){}",
+        "for(var i = 10; i >= 0; j--){}",
+        "for(var i = 10; i >= 0; j += 2){}",
+        "for(var i = 10; i >= 0; j -= 2){}",
+        "for(var i = 10; i >= 0; i |= 2){}",
+        "for(var i = 10; i >= 0; i %= 2){}",
+        "for(var i = 0; i < MAX; i += STEP_SIZE);",
+        "for(var i = 0; i < MAX; i -= STEP_SIZE);",
+        "for(var i = 10; i > 0; i += STEP_SIZE);",
+
+        // other cond-expressions.
+        "for(var i = 0; i !== 10; i+=1){}",
+        "for(var i = 0; i === 10; i+=1){}",
+        "for(var i = 0; i == 10; i+=1){}",
+        "for(var i = 0; i != 10; i+=1){}"
+    ],
+    invalid: [
+
+        // test if '++', '--'
+        { code: "for(var i = 0; i < 10; i--){}", errors: [incorrectDirection] },
+        { code: "for(var i = 0; i <= 10; i--){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i > 10; i++){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i >= 0; i++){}", errors: [incorrectDirection] },
+
+        // test if '+=', '-='
+        { code: "for(var i = 0; i < 10; i-=1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 0; i <= 10; i-=1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i > 10; i+=1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i >= 0; i+=1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 0; i < 10; i+=-1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 0; i <= 10; i+=-1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i > 10; i-=-1){}", errors: [incorrectDirection] },
+        { code: "for(var i = 10; i >= 0; i-=-1){}", errors: [incorrectDirection] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/func-call-spacing.js b/eslint/tests/lib/rules/func-call-spacing.js
new file mode 100644
index 0000000..d276ae9
--- /dev/null
+++ b/eslint/tests/lib/rules/func-call-spacing.js
@@ -0,0 +1,721 @@
+/**
+ * @fileoverview Tests for func-call-spacing rule.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/func-call-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("func-call-spacing", rule, {
+    valid: [
+
+        // default ("never")
+        "f();",
+        "f(a, b);",
+        "f.b();",
+        "f.b().c();",
+        "f()()",
+        "(function() {}())",
+        "var f = new Foo()",
+        "var f = new Foo",
+        "f( (0) )",
+        "( f )( 0 )",
+        "( (f) )( (0) )",
+        "( f()() )(0)",
+        "(function(){ if (foo) { bar(); } }());",
+        "f(0, (1))",
+        "describe/**/('foo', function () {});",
+        "new (foo())",
+        {
+            code: "import(source)",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // "never"
+        {
+            code: "f();",
+            options: ["never"]
+        },
+        {
+            code: "f(a, b);",
+            options: ["never"]
+        },
+        {
+            code: "f.b();",
+            options: ["never"]
+        },
+        {
+            code: "f.b().c();",
+            options: ["never"]
+        },
+        {
+            code: "f()()",
+            options: ["never"]
+        },
+        {
+            code: "(function() {}())",
+            options: ["never"]
+        },
+        {
+            code: "var f = new Foo()",
+            options: ["never"]
+        },
+        {
+            code: "var f = new Foo",
+            options: ["never"]
+        },
+        {
+            code: "f( (0) )",
+            options: ["never"]
+        },
+        {
+            code: "( f )( 0 )",
+            options: ["never"]
+        },
+        {
+            code: "( (f) )( (0) )",
+            options: ["never"]
+        },
+        {
+            code: "( f()() )(0)",
+            options: ["never"]
+        },
+        {
+            code: "(function(){ if (foo) { bar(); } }());",
+            options: ["never"]
+        },
+        {
+            code: "f(0, (1))",
+            options: ["never"]
+        },
+        {
+            code: "describe/**/('foo', function () {});",
+            options: ["never"]
+        },
+        {
+            code: "new (foo())",
+            options: ["never"]
+        },
+        {
+            code: "import(source)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // "always"
+        {
+            code: "f ();",
+            options: ["always"]
+        },
+        {
+            code: "f (a, b);",
+            options: ["always"]
+        },
+        {
+            code: "f.b ();",
+            options: ["always"]
+        },
+        {
+            code: "f.b ().c ();",
+            options: ["always"]
+        },
+        {
+            code: "f () ()",
+            options: ["always"]
+        },
+        {
+            code: "(function() {} ())",
+            options: ["always"]
+        },
+        {
+            code: "var f = new Foo ()",
+            options: ["always"]
+        },
+        {
+            code: "var f = new Foo",
+            options: ["always"]
+        },
+        {
+            code: "f ( (0) )",
+            options: ["always"]
+        },
+        {
+            code: "f (0) (1)",
+            options: ["always"]
+        },
+        {
+            code: "(f) (0)",
+            options: ["always"]
+        },
+        {
+            code: "f ();\n t   ();",
+            options: ["always"]
+        },
+        {
+            code: "import (source)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // "always", "allowNewlines": true
+        {
+            code: "f\n();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f.b \n ();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\n() ().b \n()\n ()",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "var f = new Foo\n();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f// comment\n()",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f // comment\n ()",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\n/*\n*/\n()",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\r();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\u2028();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\u2029();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "f\r\n();",
+            options: ["always", { allowNewlines: true }]
+        },
+        {
+            code: "import\n(source)",
+            options: ["always", { allowNewlines: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }
+    ],
+    invalid: [
+
+        // default ("never")
+        {
+            code: "f ();",
+            output: "f();",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f (a, b);",
+            output: "f(a, b);",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f.b ();",
+            output: "f.b();",
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b().c ();",
+            output: "f.b().c();",
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 7 }]
+        },
+        {
+            code: "f() ()",
+            output: "f()()",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "(function() {} ())",
+            output: "(function() {}())",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "var f = new Foo ()",
+            output: "var f = new Foo()",
+            errors: [{ messageId: "unexpected", type: "NewExpression" }]
+        },
+        {
+            code: "f ( (0) )",
+            output: "f( (0) )",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f(0) (1)",
+            output: "f(0)(1)",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "(f) (0)",
+            output: "(f)(0)",
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f ();\n t   ();",
+            output: "f();\n t();",
+            errors: [
+                { messageId: "unexpected", type: "CallExpression" },
+                { messageId: "unexpected", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "import (source);",
+            output: "import(source);",
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{ messageId: "unexpected", type: "ImportExpression" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7787
+        {
+            code: "f\n();",
+            output: null, // no change
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\r();",
+            output: null, // no change
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\u2028();",
+            output: null, // no change
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\u2029();",
+            output: null, // no change
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\r\n();",
+            output: null, // no change
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "import\n(source);",
+            output: null,
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{ messageId: "unexpected", type: "ImportExpression" }]
+        },
+
+        // "never"
+        {
+            code: "f ();",
+            output: "f();",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f (a, b);",
+            output: "f(a, b);",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f.b ();",
+            output: "f.b();",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b().c ();",
+            output: "f.b().c();",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 7 }]
+        },
+        {
+            code: "f() ()",
+            output: "f()()",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "(function() {} ())",
+            output: "(function() {}())",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "var f = new Foo ()",
+            output: "var f = new Foo()",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "NewExpression" }]
+        },
+        {
+            code: "f ( (0) )",
+            output: "f( (0) )",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f(0) (1)",
+            output: "f(0)(1)",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "(f) (0)",
+            output: "(f)(0)",
+            options: ["never"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f ();\n t   ();",
+            output: "f();\n t();",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpected", type: "CallExpression" },
+                { messageId: "unexpected", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "import (source);",
+            output: "import(source);",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{ messageId: "unexpected", type: "ImportExpression" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7787
+        {
+            code: "f\n();",
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: [
+                "this.cancelled.add(request)",
+                "this.decrement(request)",
+                "(0, request.reject)(new api.Cancel())"
+            ].join("\n"),
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: [
+                "var a = foo",
+                "(function(global) {}(this));"
+            ].join("\n"),
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: [
+                "var a = foo",
+                "(0, baz())"
+            ].join("\n"),
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "f\r();",
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "f\u2028();",
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "f\u2029();",
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "f\r\n();",
+            output: null, // no change
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "CallExpression"
+                }
+            ]
+        },
+
+        // "always"
+        {
+            code: "f();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f\n();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f(a, b);",
+            output: "f (a, b);",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f\n(a, b);",
+            output: "f (a, b);",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f.b();",
+            output: "f.b ();",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b\n();",
+            output: "f.b ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b().c ();",
+            output: "f.b ().c ();",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b\n().c ();",
+            output: "f.b ().c ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f() ()",
+            output: "f () ()",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f\n() ()",
+            output: "f () ()",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\n()()",
+            output: "f () ()",
+            options: ["always"],
+            errors: [
+                { messageId: "unexpected", type: "CallExpression" },
+                { messageId: "missing", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "(function() {}())",
+            output: "(function() {} ())",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "var f = new Foo()",
+            output: "var f = new Foo ()",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "NewExpression" }]
+        },
+        {
+            code: "f( (0) )",
+            output: "f ( (0) )",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f(0) (1)",
+            output: "f (0) (1)",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "(f)(0)",
+            output: "(f) (0)",
+            options: ["always"],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "import(source);",
+            output: "import (source);",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{ messageId: "missing", type: "ImportExpression" }]
+        },
+        {
+            code: "f();\n t();",
+            output: "f ();\n t ();",
+            options: ["always"],
+            errors: [
+                { messageId: "missing", type: "CallExpression" },
+                { messageId: "missing", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "f\r();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\u2028();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\u2029();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+        {
+            code: "f\r\n();",
+            output: "f ();",
+            options: ["always"],
+            errors: [{ messageId: "unexpected", type: "CallExpression" }]
+        },
+
+        // "always", "allowNewlines": true
+        {
+            code: "f();",
+            output: "f ();",
+            options: ["always", { allowNewlines: true }],
+            errors: [
+                { messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f(a, b);",
+            output: "f (a, b);",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f.b();",
+            output: "f.b ();",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b().c ();",
+            output: "f.b ().c ();",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f() ()",
+            output: "f () ()",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "(function() {}())",
+            output: "(function() {} ())",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "var f = new Foo()",
+            output: "var f = new Foo ()",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "NewExpression" }]
+        },
+        {
+            code: "f( (0) )",
+            output: "f ( (0) )",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f(0) (1)",
+            output: "f (0) (1)",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "(f)(0)",
+            output: "(f) (0)",
+            options: ["always", { allowNewlines: true }],
+            errors: [{ messageId: "missing", type: "CallExpression" }]
+        },
+        {
+            code: "f();\n t();",
+            output: "f ();\n t ();",
+            options: ["always", { allowNewlines: true }],
+            errors: [
+                { messageId: "missing", type: "CallExpression" },
+                { messageId: "missing", type: "CallExpression" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/func-name-matching.js b/eslint/tests/lib/rules/func-name-matching.js
new file mode 100644
index 0000000..72ee66b
--- /dev/null
+++ b/eslint/tests/lib/rules/func-name-matching.js
@@ -0,0 +1,462 @@
+/**
+ * @fileoverview Tests for func-name-matching rule.
+ * @author Annie Zhang
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/func-name-matching"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("func-name-matching", rule, {
+    valid: [
+        "var foo;",
+        "var foo = function foo() {};",
+        { code: "var foo = function foo() {};", options: ["always"] },
+        { code: "var foo = function bar() {};", options: ["never"] },
+        "var foo = function() {}",
+        { code: "var foo = () => {}", parserOptions: { ecmaVersion: 6 } },
+        "foo = function foo() {};",
+        { code: "foo = function foo() {};", options: ["always"] },
+        { code: "foo = function bar() {};", options: ["never"] },
+        "obj.foo = function foo() {};",
+        { code: "obj.foo = function foo() {};", options: ["always"] },
+        { code: "obj.foo = function bar() {};", options: ["never"] },
+        "obj.foo = function() {};",
+        { code: "obj.foo = function() {};", options: ["always"] },
+        { code: "obj.foo = function() {};", options: ["never"] },
+        "obj.bar.foo = function foo() {};",
+        { code: "obj.bar.foo = function foo() {};", options: ["always"] },
+        { code: "obj.bar.foo = function baz() {};", options: ["never"] },
+        "obj['foo'] = function foo() {};",
+        { code: "obj['foo'] = function foo() {};", options: ["always"] },
+        { code: "obj['foo'] = function bar() {};", options: ["never"] },
+        "obj['foo//bar'] = function foo() {};",
+        { code: "obj['foo//bar'] = function foo() {};", options: ["always"] },
+        { code: "obj['foo//bar'] = function foo() {};", options: ["never"] },
+        "obj[foo] = function bar() {};",
+        { code: "obj[foo] = function bar() {};", options: ["always"] },
+        { code: "obj[foo] = function bar() {};", options: ["never"] },
+        "var obj = {foo: function foo() {}};",
+        { code: "var obj = {foo: function foo() {}};", options: ["always"] },
+        { code: "var obj = {foo: function bar() {}};", options: ["never"] },
+        "var obj = {'foo': function foo() {}};",
+        { code: "var obj = {'foo': function foo() {}};", options: ["always"] },
+        { code: "var obj = {'foo': function bar() {}};", options: ["never"] },
+        "var obj = {'foo//bar': function foo() {}};",
+        { code: "var obj = {'foo//bar': function foo() {}};", options: ["always"] },
+        { code: "var obj = {'foo//bar': function foo() {}};", options: ["never"] },
+        "var obj = {foo: function() {}};",
+        { code: "var obj = {foo: function() {}};", options: ["always"] },
+        { code: "var obj = {foo: function() {}};", options: ["never"] },
+        { code: "var obj = {[foo]: function bar() {}} ", parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {['x' + 2]: function bar(){}};", parserOptions: { ecmaVersion: 6 } },
+        "obj['x' + 2] = function bar(){};",
+        { code: "var [ bar ] = [ function bar(){} ];", parserOptions: { ecmaVersion: 6 } },
+        { code: "function a(foo = function bar() {}) {}", parserOptions: { ecmaVersion: 6 } },
+        "module.exports = function foo(name) {};",
+        "module['exports'] = function foo(name) {};",
+        {
+            code: "module.exports = function foo(name) {};",
+            options: [{ includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "module.exports = function foo(name) {};",
+            options: ["always", { includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "module.exports = function foo(name) {};",
+            options: ["never", { includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "module['exports'] = function foo(name) {};",
+            options: [{ includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "module['exports'] = function foo(name) {};",
+            options: ["always", { includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "module['exports'] = function foo(name) {};",
+            options: ["never", { includeCommonJSModuleExports: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({['foo']: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({['foo']: function foo() {}})",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({['foo']: function bar() {}})",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({['❤']: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[foo]: function bar() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[null]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[1]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[true]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[`x`]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[/abc/]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[[1, 2, 3]]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[{x: 1}]: function foo() {}})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "[] = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({} = function foo() {})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "[a] = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({a} = function foo() {})",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [] = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var {} = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [a] = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var {a} = function foo() {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ value: function value() {} })",
+            options: [{ considerPropertyDescriptor: true }]
+        },
+        {
+            code: "obj.foo = function foo() {};",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "obj.bar.foo = function foo() {};",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "var obj = {foo: function foo() {}};",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "var obj = {foo: function() {}};",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "var obj = { value: function value() {} }",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Object.defineProperty(foo, 'bar', { value: function bar() {} })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Object.defineProperties(foo, { bar: { value: function bar() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Object.create(proto, { bar: { value: function bar() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Object.defineProperty(foo, 'b' + 'ar', { value: function bar() {} })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Object.defineProperties(foo, { ['bar']: { value: function bar() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "Object.create(proto, { ['bar']: { value: function bar() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "Object.defineProperty(foo, 'bar', { value() {} })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "Object.defineProperties(foo, { bar: { value() {} } })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "Object.create(proto, { bar: { value() {} } })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { value: function bar() {} })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'b' + 'ar', { value: function baz() {} })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { value() {} })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "foo({ value: function value() {} })",
+            options: ["always", { considerPropertyDescriptor: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "let foo = function bar() {};",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "let foo = function bar() {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "foo = function bar() {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchVariable", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "obj.foo = function bar() {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "obj.bar.foo = function bar() {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "obj['foo'] = function bar() {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "let obj = {foo: function bar() {}};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "let obj = {'foo': function bar() {}};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "({['foo']: function bar() {}})",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "foo" } }
+            ]
+        },
+        {
+            code: "module.exports = function foo(name) {};",
+            options: [{ includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
+            ]
+        },
+        {
+            code: "module.exports = function foo(name) {};",
+            options: ["always", { includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
+            ]
+        },
+        {
+            code: "module.exports = function exports(name) {};",
+            options: ["never", { includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "exports", name: "exports" } }
+            ]
+        },
+        {
+            code: "module['exports'] = function foo(name) {};",
+            options: [{ includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
+            ]
+        },
+        {
+            code: "module['exports'] = function foo(name) {};",
+            options: ["always", { includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "foo", name: "exports" } }
+            ]
+        },
+        {
+            code: "module['exports'] = function exports(name) {};",
+            options: ["never", { includeCommonJSModuleExports: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "exports", name: "exports" } }
+            ]
+        },
+        {
+            code: "var foo = function foo(name) {};",
+            options: ["never"],
+            errors: [
+                { messageId: "notMatchVariable", data: { funcName: "foo", name: "foo" } }
+            ]
+        },
+        {
+            code: "obj.foo = function foo(name) {};",
+            options: ["never"],
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "foo", name: "foo" } }
+            ]
+        },
+        {
+            code: "Object.defineProperty(foo, 'bar', { value: function baz() {} })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
+            ]
+        },
+        {
+            code: "Object.defineProperties(foo, { bar: { value: function baz() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
+            ]
+        },
+        {
+            code: "Object.create(proto, { bar: { value: function baz() {} } })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
+            ]
+        },
+        {
+            code: "var obj = { value: function foo(name) {} }",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "foo", name: "value" } }
+            ]
+        },
+        {
+            code: "Object.defineProperty(foo, 'bar', { value: function bar() {} })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
+            ]
+        },
+        {
+            code: "Object.defineProperties(foo, { bar: { value: function bar() {} } })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
+            ]
+        },
+        {
+            code: "Object.create(proto, { bar: { value: function bar() {} } })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
+            ]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { value: function baz() {} })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "baz", name: "bar" } }
+            ]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { value: function bar() {} })",
+            options: ["never", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "notMatchProperty", data: { funcName: "bar", name: "bar" } }
+            ]
+        },
+        {
+            code: "foo({ value: function bar() {} })",
+            options: ["always", { considerPropertyDescriptor: true }],
+            errors: [
+                { messageId: "matchProperty", data: { funcName: "bar", name: "value" } }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/func-names.js b/eslint/tests/lib/rules/func-names.js
new file mode 100644
index 0000000..bf930ee
--- /dev/null
+++ b/eslint/tests/lib/rules/func-names.js
@@ -0,0 +1,810 @@
+/**
+ * @fileoverview Tests for func-names rule.
+ * @author Kyle T. Nunery
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/func-names"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("func-names", rule, {
+    valid: [
+        "Foo.prototype.bar = function bar(){};",
+        { code: "Foo.prototype.bar = () => {}", parserOptions: { ecmaVersion: 6 } },
+        "function foo(){}",
+        "function test(d, e, f) {}",
+        "new function bar(){}",
+        "exports = { get foo() { return 1; }, set bar(val) { return val; } };",
+        {
+            code: "({ foo() { return 1; } });",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { constructor(){} foo(){} get bar(){} set baz(value){} static qux(){}}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() {}",
+            options: ["always"]
+        },
+        {
+            code: "var a = function foo() {};",
+            options: ["always"]
+        },
+        {
+            code: "class A { constructor(){} foo(){} get bar(){} set baz(value){} static qux(){}}",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ foo() {} });",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function(){};",
+            options: ["as-needed"]
+        },
+        {
+            code: "({foo: function(){}});",
+            options: ["as-needed"]
+        },
+        {
+            code: "(foo = function(){});",
+            options: ["as-needed"]
+        },
+        {
+            code: "({foo = function(){}} = {});",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({key: foo = function(){}} = {});",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "[foo = function(){}] = [];",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function fn(foo = function(){}) {}",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() {}",
+            options: ["never"]
+        },
+        {
+            code: "var a = function() {};",
+            options: ["never"]
+        },
+        {
+            code: "var a = function foo() { foo(); };",
+            options: ["never"]
+        },
+        {
+            code: "var foo = {bar: function() {}};",
+            options: ["never"]
+        },
+        {
+            code: "$('#foo').click(function() {});",
+            options: ["never"]
+        },
+        {
+            code: "Foo.prototype.bar = function() {};",
+            options: ["never"]
+        },
+        {
+            code: "class A { constructor(){} foo(){} get bar(){} set baz(value){} static qux(){}}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({ foo() {} });",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // export default
+        {
+            code: "export default function foo() {}",
+            options: ["always"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 }
+        },
+        {
+            code: "export default function foo() {}",
+            options: ["as-needed"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 }
+        },
+        {
+            code: "export default function foo() {}",
+            options: ["never"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 }
+        },
+        {
+            code: "export default function() {}",
+            options: ["never"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 }
+        },
+
+        // generators
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["always", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["always", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["always", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["as-needed", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["as-needed", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["as-needed", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["never", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["never", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["never", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function*() {}())",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["never", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["never", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function*() {}())",
+            options: ["never", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["always", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["always", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function*() {}())",
+            options: ["always", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["as-needed", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["as-needed", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function*() {}())",
+            options: ["as-needed", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "Foo.prototype.bar = function() {};",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 21,
+                endColumn: 29
+            }]
+        },
+        {
+            code: "(function(){}())",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "f(function(){})",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 3,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var a = new Date(function() {});",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 18,
+                endColumn: 26
+            }]
+        },
+        {
+            code: "var test = function(d, e, f) {};",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 12,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "new function() {}",
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 5,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "Foo.prototype.bar = function() {};",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 21,
+                endColumn: 29
+            }]
+        },
+        {
+            code: "(function(){}())",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "f(function(){})",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 3,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var a = new Date(function() {});",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 18,
+                endColumn: 26
+            }]
+        },
+        {
+            code: "new function() {}",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 5,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "var {foo} = function(){};",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 13,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "({ a: obj.prop = function(){} } = foo);",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 18,
+                endColumn: 26
+            }]
+        },
+        {
+            code: "[obj.prop = function(){}] = foo;",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 13,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "var { a: [b] = function(){} } = foo;",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 16,
+                endColumn: 24
+            }]
+        },
+        {
+            code: "function foo({ a } = function(){}) {};",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 22,
+                endColumn: 30
+            }]
+        },
+        {
+            code: "var x = function foo() {};",
+            options: ["never"],
+            errors: [{
+                messageId: "named",
+                data: { name: "function 'foo'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 9,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "Foo.prototype.bar = function foo() {};",
+            options: ["never"],
+            errors: [{
+                messageId: "named",
+                data: { name: "function 'foo'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 21,
+                endColumn: 33
+            }]
+        },
+        {
+            code: "({foo: function foo() {}})",
+            options: ["never"],
+            errors: [{
+                messageId: "named",
+                data: { name: "method 'foo'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 3,
+                endColumn: 20
+            }]
+        },
+
+        // export default
+        {
+            code: "export default function() {}",
+            options: ["always"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionDeclaration",
+                column: 16,
+                endColumn: 24
+            }]
+        },
+        {
+            code: "export default function() {}",
+            options: ["as-needed"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionDeclaration",
+                column: 16,
+                endColumn: 24
+            }]
+        },
+        {
+            code: "export default (function(){});",
+            options: ["as-needed"],
+            parserOptions: { sourceType: "module", ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                column: 17,
+                endColumn: 25
+            }]
+        },
+
+        // generators
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 11,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["always", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["always", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 11,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["always", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["always", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["always", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["as-needed"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["as-needed", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["as-needed", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 11,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["as-needed", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["as-needed", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["as-needed", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["never", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["never", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 11,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["never", { generators: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "var foo = bar(function *() {});",
+            options: ["never", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "(function*() {}())",
+            options: ["never", { generators: "as-needed" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnamed",
+                type: "FunctionExpression",
+                line: 1,
+                column: 2,
+                endColumn: 11
+            }]
+        },
+
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "named",
+                data: { name: "generator function 'baz'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 28
+            }]
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["never", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "named",
+                data: { name: "generator function 'baz'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 28
+            }]
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["always", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "named",
+                data: { name: "generator function 'baz'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 28
+            }]
+        },
+        {
+            code: "var foo = bar(function *baz() {});",
+            options: ["as-needed", { generators: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "named",
+                data: { name: "generator function 'baz'" },
+                type: "FunctionExpression",
+                line: 1,
+                column: 15,
+                endColumn: 28
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/func-style.js b/eslint/tests/lib/rules/func-style.js
new file mode 100644
index 0000000..0017c86
--- /dev/null
+++ b/eslint/tests/lib/rules/func-style.js
@@ -0,0 +1,131 @@
+/**
+ * @fileoverview Tests for func-style rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/func-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("func-style", rule, {
+    valid: [
+        {
+            code: "function foo(){}\n function bar(){}",
+            options: ["declaration"]
+        },
+        {
+            code: "foo.bar = function(){};",
+            options: ["declaration"]
+        },
+        {
+            code: "(function() { /* code */ }());",
+            options: ["declaration"]
+        },
+        {
+            code: "var module = (function() { return {}; }());",
+            options: ["declaration"]
+        },
+        {
+            code: "var object = { foo: function(){} };",
+            options: ["declaration"]
+        },
+        {
+            code: "Array.prototype.foo = function(){};",
+            options: ["declaration"]
+        },
+        {
+            code: "foo.bar = function(){};",
+            options: ["expression"]
+        },
+        {
+            code: "var foo = function(){};\n var bar = function(){};",
+            options: ["expression"]
+        },
+        {
+            code: "var foo = () => {};\n var bar = () => {}",
+            options: ["expression"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/3819
+        {
+            code: "var foo = function() { this; }.bind(this);",
+            options: ["declaration"]
+        },
+        {
+            code: "var foo = () => { this; };",
+            options: ["declaration"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "export default function () {};",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "var foo = () => {};",
+            options: ["declaration", { allowArrowFunctions: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = () => { function foo() { this; } };",
+            options: ["declaration", { allowArrowFunctions: true }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = function(){};",
+            options: ["declaration"],
+            errors: [
+                {
+                    messageId: "declaration",
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => {};",
+            options: ["declaration"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "declaration",
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = () => { function foo() { this; } };",
+            options: ["declaration"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "declaration",
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo(){}",
+            options: ["expression"],
+            errors: [
+                {
+                    messageId: "expression",
+                    type: "FunctionDeclaration"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/function-call-argument-newline.js b/eslint/tests/lib/rules/function-call-argument-newline.js
new file mode 100644
index 0000000..85c908a
--- /dev/null
+++ b/eslint/tests/lib/rules/function-call-argument-newline.js
@@ -0,0 +1,569 @@
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/function-call-argument-newline"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("function-call-argument-newline", rule, {
+    valid: [
+
+        /* early return */
+        "fn()",
+        "fn(a)",
+        "new Foo()",
+        "new Foo(b)",
+
+        /* default ("always") */
+        "fn(a,\n\tb)",
+
+        /* "always" */
+        { code: "fn(a,\n\tb)", options: ["always"] },
+        { code: "fn(\n\ta,\n\tb\n)", options: ["always"] },
+        { code: "fn(\n\ta,\n\tb,\n\tc\n)", options: ["always"] },
+        {
+            code: "fn(\n\ta,\n\tb,\n\t[\n\t\t1,\n\t\t2\n\t]\n)",
+            options: ["always"]
+        },
+        {
+            code: "fn(\n\ta,\n\tb,\n\t{\n\t\ta: 1,\n\t\tb: 2\n\t}\n)",
+            options: ["always"]
+        },
+        {
+            code: "fn(\n\ta,\n\tb,\n\tfunction (x) {\n\t\tx()\n\t}\n)",
+            options: ["always"]
+        },
+        {
+            code: "fn(\n\ta,\n\tb,\n\tx => {\n\t\tx()\n\t}\n)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "fn({\n\ta: 1\n},\n\tb,\n\tc)", options: ["always"] },
+        { code: "fn(`\n`,\n\ta)", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        /* "never" */
+        { code: "fn(a, b)", options: ["never"] },
+        { code: "fn(\n\ta, b\n)", options: ["never"] },
+        { code: "fn(a, b, c)", options: ["never"] },
+        { code: "fn(a, b, [\n\t1,\n\t2\n])", options: ["never"] },
+        { code: "fn(a, b, {\n\ta: 1,\n\tb: 2\n})", options: ["never"] },
+        { code: "fn(a, b, function (x) {\n\tx()\n})", options: ["never"] },
+        {
+            code: "fn(a, b, x => {\n\tx()\n})",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "fn({\n\ta: 1\n}, b)", options: ["never"] },
+        { code: "fn(`\n`, a)", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        /* "consistent" */
+        { code: "fn(a, b, c)", options: ["consistent"] },
+        { code: "fn(a,\n\tb,\n\tc)", options: ["consistent"] },
+        { code: "fn({\n\ta: 1\n}, b, c)", options: ["consistent"] },
+        { code: "fn({\n\ta: 1\n},\n\tb,\n\tc)", options: ["consistent"] },
+        { code: "fn(`\n`, b, c)", options: ["consistent"], parserOptions: { ecmaVersion: 6 } },
+        { code: "fn(`\n`,\n\tb,\n\tc)", options: ["consistent"], parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+
+        /* default ("always") */
+        {
+            code: "fn(a, b)",
+            output: "fn(a,\nb)",
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                }
+            ]
+        },
+
+        /* "always" */
+        {
+            code: "fn(a, b)",
+            output: "fn(a,\nb)",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                }
+            ]
+        },
+        {
+            code: "fn(a, b, c)",
+            output: "fn(a,\nb,\nc)",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "fn(a, b, [\n\t1,\n\t2\n])",
+            output: "fn(a,\nb,\n[\n\t1,\n\t2\n])",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "fn(a, b, {\n\ta: 1,\n\tb: 2\n})",
+            output: "fn(a,\nb,\n{\n\ta: 1,\n\tb: 2\n})",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "fn(a, b, function (x) {\n\tx()\n})",
+            output: "fn(a,\nb,\nfunction (x) {\n\tx()\n})",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "fn(a, b, x => {\n\tx()\n})",
+            output: "fn(a,\nb,\nx => {\n\tx()\n})",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "missingLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "fn({\n\ta: 1\n}, b)",
+            output: "fn({\n\ta: 1\n},\nb)",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 3,
+                    column: 3,
+                    endLine: 3,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "fn(`\n`, b)",
+            output: "fn(`\n`,\nb)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 4
+                }
+            ]
+        },
+
+        /* "never" */
+        {
+            code: "fn(a,\n\tb)",
+            output: "fn(a, b)",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb,\n\tc)",
+            output: "fn(a, b, c)",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb,\n\t[\n\t\t1,\n\t\t2\n])",
+            output: "fn(a, b, [\n\t\t1,\n\t\t2\n])",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb,\n\t{\n\t\ta: 1,\n\t\tb: 2\n})",
+            output: "fn(a, b, {\n\t\ta: 1,\n\t\tb: 2\n})",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb,\n\tfunction (x) {\n\t\tx()\n})",
+            output: "fn(a, b, function (x) {\n\t\tx()\n})",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb,\n\tx => {\n\t\tx()\n})",
+            output: "fn(a, b, x => {\n\t\tx()\n})",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 6,
+                    endLine: 2,
+                    endColumn: 2
+                },
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn({\n\ta: 1\n},\nb)",
+            output: "fn({\n\ta: 1\n}, b)",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 3,
+                    column: 3,
+                    endLine: 4,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(`\n`,\nb)",
+            output: "fn(`\n`, b)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 3,
+                    endLine: 3,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(a,/* comment */\nb)",
+            output: "fn(a,/* comment */ b)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 19,
+                    endLine: 2,
+                    endColumn: 1
+                }
+            ]
+        },
+
+        /* "consistent" */
+        {
+            code: "fn(a, b,\n\tc)",
+            output: "fn(a, b, c)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 9,
+                    endLine: 2,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb, c)",
+            output: "fn(a,\n\tb,\nc)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 4,
+                    endLine: 2,
+                    endColumn: 5
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb /* comment */, c)",
+            output: "fn(a,\n\tb /* comment */,\nc)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 18,
+                    endLine: 2,
+                    endColumn: 19
+                }
+            ]
+        },
+        {
+            code: "fn(a,\n\tb, /* comment */ c)",
+            output: "fn(a,\n\tb, /* comment */\nc)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 2,
+                    column: 18,
+                    endLine: 2,
+                    endColumn: 19
+                }
+            ]
+        },
+        {
+            code: "fn({\n\ta: 1\n},\nb, c)",
+            output: "fn({\n\ta: 1\n},\nb,\nc)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 4,
+                    column: 3,
+                    endLine: 4,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "fn({\n\ta: 1\n}, b,\nc)",
+            output: "fn({\n\ta: 1\n}, b, c)",
+            options: ["consistent"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 3,
+                    column: 6,
+                    endLine: 4,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(`\n`,\nb, c)",
+            output: "fn(`\n`,\nb,\nc)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "missingLineBreak",
+                    line: 3,
+                    column: 3,
+                    endLine: 3,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "fn(`\n`, b,\nc)",
+            output: "fn(`\n`, b, c)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 6,
+                    endLine: 3,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(a,// comment\n{b, c})",
+            output: null,
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 16,
+                    endLine: 2,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(a, // comment\nb)",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 1,
+                    column: 17,
+                    endLine: 2,
+                    endColumn: 1
+                }
+            ]
+        },
+        {
+            code: "fn(`\n`, b, // comment\nc)",
+            output: null,
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedLineBreak",
+                    line: 2,
+                    column: 17,
+                    endLine: 3,
+                    endColumn: 1
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/function-paren-newline.js b/eslint/tests/lib/rules/function-paren-newline.js
new file mode 100644
index 0000000..f918a38
--- /dev/null
+++ b/eslint/tests/lib/rules/function-paren-newline.js
@@ -0,0 +1,1073 @@
+/**
+ * @fileoverview enforce consistent line breaks inside function parentheses
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/function-paren-newline");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const LEFT_MISSING_ERROR = { messageId: "expectedAfter", type: "Punctuator" };
+const LEFT_UNEXPECTED_ERROR = { messageId: "unexpectedAfter", type: "Punctuator" };
+const RIGHT_MISSING_ERROR = { messageId: "expectedBefore", type: "Punctuator" };
+const RIGHT_UNEXPECTED_ERROR = { messageId: "unexpectedBefore", type: "Punctuator" };
+const EXPECTED_BETWEEN = { messageId: "expectedBetween", type: "Identifier" };
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("function-paren-newline", rule, {
+
+    valid: [
+
+        // multiline option (default)
+        "function baz(foo, bar) {}",
+        "(function(foo, bar) {});",
+        "(function baz(foo, bar) {});",
+        "(foo, bar) => {};",
+        "foo => {};",
+        "baz(foo, bar);",
+        "function baz() {}",
+        `
+            function baz(
+                foo,
+                bar
+            ) {}
+        `,
+        `
+            (function(
+                foo,
+                bar
+            ) {});
+        `,
+        `
+            (function baz(
+                foo,
+                bar
+            ) {});
+        `,
+        `
+            (
+                foo,
+                bar
+            ) => {};
+        `,
+        `
+            baz(
+                foo,
+                bar
+            );
+        `,
+        `
+            baz(\`foo
+                bar\`)
+        `,
+        "new Foo(bar, baz)",
+        "new Foo",
+        "new (Foo)",
+
+        `
+            (foo)
+            (bar)
+        `,
+        `
+            foo.map(value => {
+              return value;
+            })
+        `,
+        {
+            code: "function baz(foo, bar) {}",
+            options: ["multiline"]
+        },
+        {
+            code: "import(source)",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "import(source\n  + ext)",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // multiline-arguments
+        {
+            code: "function baz(foo, bar) {}",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "function baz(foo) {}",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "(function(foo, bar) {});",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "(function(foo) {});",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "(function baz(foo, bar) {});",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "(function baz(foo) {});",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "(foo, bar) => {};",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "foo => {};",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "baz(foo, bar);",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "baz(foo);",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "function baz() {}",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                function baz(
+                    foo,
+                    bar
+                ) {}
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                function baz(
+                    foo
+                ) {}
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar
+                ) {});
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (function(
+                    foo
+                ) {});
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (function baz(
+                    foo,
+                    bar
+                ) {});
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (function baz(
+                    foo
+                ) {});
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (
+                    foo,
+                    bar
+                ) => {};
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                (
+                    foo
+                ) => {};
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                baz(
+                    foo,
+                    bar
+                );
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                baz(
+                    foo
+                );
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                baz(\`foo
+                    bar\`)
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "new Foo(bar, baz)",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "new Foo(bar)",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "new Foo",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "new (Foo)",
+            options: ["multiline-arguments"]
+        },
+        {
+            code: "import(source)",
+            options: ["multiline-arguments"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "import(source\n  + ext)",
+            options: ["multiline-arguments"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        {
+            code: `
+                (foo)
+                (bar)
+            `,
+            options: ["multiline-arguments"]
+        },
+        {
+            code: `
+                foo.map(value => {
+                  return value;
+                })
+            `,
+            options: ["multiline-arguments"]
+        },
+
+        // always option
+        {
+            code: `
+                function baz(
+                    foo,
+                    bar
+                ) {}
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar
+                ) {});
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                (function baz(
+                    foo,
+                    bar
+                ) {});
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                (
+                    foo,
+                    bar
+                ) => {};
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                baz(
+                    foo,
+                    bar
+                );
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                function baz(
+                ) {}
+            `,
+            options: ["always"]
+        },
+        {
+            code: "import(\n  source\n)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // never option
+        {
+            code: "function baz(foo, bar) {}",
+            options: ["never"]
+        },
+        {
+            code: "(function(foo, bar) {});",
+            options: ["never"]
+        },
+        {
+            code: "(function baz(foo, bar) {});",
+            options: ["never"]
+        },
+        {
+            code: "(foo, bar) => {};",
+            options: ["never"]
+        },
+        {
+            code: "baz(foo, bar);",
+            options: ["never"]
+        },
+        {
+            code: "function baz() {}",
+            options: ["never"]
+        },
+        {
+            code: "import(source)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // minItems option
+        {
+            code: "function baz(foo, bar) {}",
+            options: [{ minItems: 3 }]
+        },
+        {
+            code: `
+                function baz(
+                    foo, bar, qux
+                ) {}
+            `,
+            options: [{ minItems: 3 }]
+        },
+        {
+            code: `
+                baz(
+                    foo, bar, qux
+                );
+            `,
+            options: [{ minItems: 3 }]
+        },
+        {
+            code: "baz(foo, bar);",
+            options: [{ minItems: 3 }]
+        },
+        {
+            code: "import(source)",
+            options: [{ minItems: 3 }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "import(\n  source\n)",
+            options: [{ minItems: 1 }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // consistent option
+        {
+            code: "foo(bar, baz)",
+            options: ["consistent"]
+        },
+        {
+            code: `
+                foo(bar,
+                baz)
+            `,
+            options: ["consistent"]
+        },
+        {
+            code: `
+                foo(
+                    bar, baz
+                )
+            `,
+            options: ["consistent"]
+        },
+        {
+            code: `
+                foo(
+                    bar,
+                    baz
+                )
+            `,
+            options: ["consistent"]
+        },
+        {
+            code: "import(source)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "import(\n  source\n)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2020 }
+        }
+    ],
+
+    invalid: [
+
+        // multiline option (default)
+        {
+            code: `
+                function baz(foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(\nfoo,
+                    bar
+                ) {}
+            `,
+            errors: [LEFT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar) {})
+            `,
+            output: `
+                (function(
+                    foo,
+                    bar\n) {})
+            `,
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function baz(foo,
+                    bar) {})
+            `,
+            output: `
+                (function baz(\nfoo,
+                    bar\n) {})
+            `,
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                baz(
+                    foo, bar);
+            `,
+            output: `
+                baz(foo, bar);
+            `,
+            errors: [LEFT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (foo, bar
+                ) => {};
+            `,
+            output: `
+                (foo, bar) => {};
+            `,
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    foo, bar
+                ) {}
+            `,
+            output: `
+                function baz(foo, bar) {}
+            `,
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    foo =
+                    1
+                ) {}
+            `,
+            output: `
+                function baz(foo =
+                    1) {}
+            `,
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                ) {}
+            `,
+            output: `
+                function baz() {}
+            `,
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                new Foo(bar,
+                    baz);
+            `,
+            output: `
+                new Foo(\nbar,
+                    baz\n);
+            `,
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                function baz(/* not fixed due to comment */
+                foo) {}
+            `,
+            output: null,
+            errors: [LEFT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(foo
+                /* not fixed due to comment */) {}
+            `,
+            output: null,
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(\n  source\n)",
+            output: "import(source)",
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+
+        // multiline-arguments
+        {
+            code: `
+                function baz(foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(\nfoo,
+                    bar
+                ) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar) {})
+            `,
+            output: `
+                (function(
+                    foo,
+                    bar\n) {})
+            `,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function baz(foo,
+                    bar) {})
+            `,
+            output: `
+                (function baz(\nfoo,
+                    bar\n) {})
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                baz(
+                    foo, bar);
+            `,
+            output: `
+                baz(foo, bar);
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (foo, bar
+                ) => {};
+            `,
+            output: `
+                (foo, bar) => {};
+            `,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    foo, bar
+                ) {}
+            `,
+            output: `
+                function baz(foo, bar) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                ) {}
+            `,
+            output: `
+                function baz() {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                new Foo(bar,
+                    baz);
+            `,
+            output: `
+                new Foo(\nbar,
+                    baz\n);
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                function baz(/* not fixed due to comment */
+                foo) {}
+            `,
+            output: `
+                function baz(/* not fixed due to comment */
+                foo\n) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                function baz(foo
+                /* not fixed due to comment */) {}
+            `,
+            output: null,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    qwe,
+                    foo, bar
+                ) {}
+            `,
+            output: `
+                function baz(
+                    qwe,
+                    foo, \nbar
+                ) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [EXPECTED_BETWEEN]
+        },
+        {
+            code: `
+                function baz(
+                    qwe, foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(
+                    qwe, \nfoo,
+                    bar
+                ) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [EXPECTED_BETWEEN]
+        },
+        {
+            code: `
+                function baz(qwe, foo,
+                    bar) {}
+            `,
+            output: `
+                function baz(\nqwe, \nfoo,
+                    bar\n) {}
+            `,
+            options: ["multiline-arguments"],
+            errors: [LEFT_MISSING_ERROR, EXPECTED_BETWEEN, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                baz(
+                    foo);
+            `,
+            output: `
+                baz(
+                    foo\n);
+            `,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                baz(foo
+                    );
+            `,
+            output: `
+                baz(foo);
+            `,
+            options: ["multiline-arguments"],
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(source\n)",
+            output: "import(source)",
+            options: ["multiline-arguments"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(\n  source)",
+            output: "import(\n  source\n)",
+            options: ["multiline-arguments"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [RIGHT_MISSING_ERROR]
+        },
+
+        // always option
+        {
+            code: `
+                function baz(foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(\nfoo,
+                    bar
+                ) {}
+            `,
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar) {})
+            `,
+            output: `
+                (function(
+                    foo,
+                    bar\n) {})
+            `,
+            options: ["always"],
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                (function baz(foo,
+                    bar) {})
+            `,
+            output: `
+                (function baz(\nfoo,
+                    bar\n) {})
+            `,
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "function baz(foo, bar) {}",
+            output: "function baz(\nfoo, bar\n) {}",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "(function(foo, bar) {});",
+            output: "(function(\nfoo, bar\n) {});",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "(function baz(foo, bar) {});",
+            output: "(function baz(\nfoo, bar\n) {});",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "(foo, bar) => {};",
+            output: "(\nfoo, bar\n) => {};",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "baz(foo, bar);",
+            output: "baz(\nfoo, bar\n);",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "function baz() {}",
+            output: "function baz(\n) {}",
+            options: ["always"],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: "import(source)",
+            output: "import(\nsource\n)",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+
+        // never option
+        {
+            code: `
+                function baz(foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(foo,
+                    bar) {}
+            `,
+            options: ["never"],
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar) {})
+            `,
+            output: `
+                (function(foo,
+                    bar) {})
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    foo,
+                    bar
+                ) {}
+            `,
+            output: `
+                function baz(foo,
+                    bar) {}
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (function(
+                    foo,
+                    bar
+                ) {});
+            `,
+            output: `
+                (function(foo,
+                    bar) {});
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (function baz(
+                    foo,
+                    bar
+                ) {});
+            `,
+            output: `
+                (function baz(foo,
+                    bar) {});
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                (
+                    foo,
+                    bar
+                ) => {};
+            `,
+            output: `
+                (foo,
+                    bar) => {};
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                baz(
+                    foo,
+                    bar
+                );
+            `,
+            output: `
+                baz(foo,
+                    bar);
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                ) {}
+            `,
+            output: `
+                function baz() {}
+            `,
+            options: ["never"],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(\n  source\n)",
+            output: "import(source)",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+
+        // minItems option
+        {
+            code: "function baz(foo, bar, qux) {}",
+            output: "function baz(\nfoo, bar, qux\n) {}",
+            options: [{ minItems: 3 }],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                function baz(
+                    foo, bar
+                ) {}
+            `,
+            output: `
+                function baz(foo, bar) {}
+            `,
+            options: [{ minItems: 3 }],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "baz(foo, bar, qux);",
+            output: "baz(\nfoo, bar, qux\n);",
+            options: [{ minItems: 3 }],
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                baz(
+                    foo,
+                    bar
+                );
+            `,
+            output: `
+                baz(foo,
+                    bar);
+            `,
+            options: [{ minItems: 3 }],
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(\n  source\n)",
+            output: "import(source)",
+            options: [{ minItems: 3 }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [LEFT_UNEXPECTED_ERROR, RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(source)",
+            output: "import(\nsource\n)",
+            options: [{ minItems: 1 }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [LEFT_MISSING_ERROR, RIGHT_MISSING_ERROR]
+        },
+
+        // consistent option
+        {
+            code: `
+                foo(
+                    bar,
+                    baz)
+            `,
+            output: `
+                foo(
+                    bar,
+                    baz\n)
+            `,
+            options: ["consistent"],
+            errors: [RIGHT_MISSING_ERROR]
+        },
+        {
+            code: `
+                foo(bar,
+                    baz
+                )
+            `,
+            output: `
+                foo(bar,
+                    baz)
+            `,
+            options: ["consistent"],
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(source\n)",
+            output: "import(source)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [RIGHT_UNEXPECTED_ERROR]
+        },
+        {
+            code: "import(\n  source)",
+            output: "import(\n  source\n)",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [RIGHT_MISSING_ERROR]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/generator-star-spacing.js b/eslint/tests/lib/rules/generator-star-spacing.js
new file mode 100644
index 0000000..7dcfbfb
--- /dev/null
+++ b/eslint/tests/lib/rules/generator-star-spacing.js
@@ -0,0 +1,1026 @@
+/**
+ * @fileoverview Tests for generator-star-spacing rule.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/generator-star-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+const missingBeforeError = { messageId: "missingBefore", type: "Punctuator" };
+const missingAfterError = { messageId: "missingAfter", type: "Punctuator" };
+const unexpectedBeforeError = { messageId: "unexpectedBefore", type: "Punctuator" };
+const unexpectedAfterError = { messageId: "unexpectedAfter", type: "Punctuator" };
+
+ruleTester.run("generator-star-spacing", rule, {
+
+    valid: [
+
+        // Default ("before")
+        "function foo(){}",
+        "function *foo(){}",
+        "function *foo(arg1, arg2){}",
+        "var foo = function *foo(){};",
+        "var foo = function *(){};",
+        "var foo = { *foo(){} };",
+        "var foo = {*foo(){} };",
+        "class Foo { *foo(){} }",
+        "class Foo {*foo(){} }",
+        "class Foo { static *foo(){} }",
+        "var foo = {*[ foo ](){} };",
+        "class Foo {*[ foo ](){} }",
+
+        // "before"
+        {
+            code: "function foo(){}",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){}",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(arg1, arg2){}",
+            options: ["before"]
+        },
+        {
+            code: "var foo = function *foo(){};",
+            options: ["before"]
+        },
+        {
+            code: "var foo = function *(){};",
+            options: ["before"]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            options: ["before"]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            options: ["before"]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            options: ["before"]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            options: ["before"]
+        },
+        {
+            code: "class Foo { static *foo(){} }",
+            options: ["before"]
+        },
+        {
+            code: "class Foo {*[ foo ](){} }",
+            options: ["before"]
+        },
+        {
+            code: "var foo = {*[ foo ](){} };",
+            options: ["before"]
+        },
+
+        // "after"
+        {
+            code: "function foo(){}",
+            options: ["after"]
+        },
+        {
+            code: "function* foo(){}",
+            options: ["after"]
+        },
+        {
+            code: "function* foo(arg1, arg2){}",
+            options: ["after"]
+        },
+        {
+            code: "var foo = function* foo(){};",
+            options: ["after"]
+        },
+        {
+            code: "var foo = function* (){};",
+            options: ["after"]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            options: ["after"]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            options: ["after"]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            options: ["after"]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            options: ["after"]
+        },
+        {
+            code: "class Foo { static* foo(){} }",
+            options: ["after"]
+        },
+        {
+            code: "var foo = {* [foo](){} };",
+            options: ["after"]
+        },
+        {
+            code: "class Foo {* [foo](){} }",
+            options: ["after"]
+        },
+
+        // "both"
+        {
+            code: "function foo(){}",
+            options: ["both"]
+        },
+        {
+            code: "function * foo(){}",
+            options: ["both"]
+        },
+        {
+            code: "function * foo(arg1, arg2){}",
+            options: ["both"]
+        },
+        {
+            code: "var foo = function * foo(){};",
+            options: ["both"]
+        },
+        {
+            code: "var foo = function * (){};",
+            options: ["both"]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            options: ["both"]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            options: ["both"]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            options: ["both"]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            options: ["both"]
+        },
+        {
+            code: "class Foo { static * foo(){} }",
+            options: ["both"]
+        },
+        {
+            code: "var foo = {* [foo](){} };",
+            options: ["both"]
+        },
+        {
+            code: "class Foo {* [foo](){} }",
+            options: ["both"]
+        },
+
+        // "neither"
+        {
+            code: "function foo(){}",
+            options: ["neither"]
+        },
+        {
+            code: "function*foo(){}",
+            options: ["neither"]
+        },
+        {
+            code: "function*foo(arg1, arg2){}",
+            options: ["neither"]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            options: ["neither"]
+        },
+        {
+            code: "var foo = function*(){};",
+            options: ["neither"]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            options: ["neither"]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            options: ["neither"]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            options: ["neither"]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            options: ["neither"]
+        },
+        {
+            code: "class Foo { static*foo(){} }",
+            options: ["neither"]
+        },
+        {
+            code: "var foo = {*[ foo ](){} };",
+            options: ["neither"]
+        },
+        {
+            code: "class Foo {*[ foo ](){} }",
+            options: ["neither"]
+        },
+
+        // {"before": true, "after": false}
+        {
+            code: "function foo(){}",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "function *foo(){}",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "function *foo(arg1, arg2){}",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "var foo = function *foo(){};",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "var foo = function *(){};",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "class Foo { static *foo(){} }",
+            options: [{ before: true, after: false }]
+        },
+
+        // {"before": false, "after": true}
+        {
+            code: "function foo(){}",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "function* foo(){}",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "function* foo(arg1, arg2){}",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "var foo = function* foo(){};",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "var foo = function* (){};",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "class Foo { static* foo(){} }",
+            options: [{ before: false, after: true }]
+        },
+
+        // {"before": true, "after": true}
+        {
+            code: "function foo(){}",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "function * foo(){}",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "function * foo(arg1, arg2){}",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "var foo = function * foo(){};",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "var foo = function * (){};",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "class Foo { static * foo(){} }",
+            options: [{ before: true, after: true }]
+        },
+
+        // {"before": false, "after": false}
+        {
+            code: "function foo(){}",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "function*foo(){}",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "function*foo(arg1, arg2){}",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "var foo = function*(){};",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "class Foo { static*foo(){} }",
+            options: [{ before: false, after: false }]
+        },
+
+        // full configurability
+        {
+            code: "function * foo(){}",
+            options: [{ before: false, after: false, named: "both" }]
+        },
+        {
+            code: "var foo = function * (){};",
+            options: [{ before: false, after: false, anonymous: "both" }]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }]
+        },
+        {
+            code: "var foo = { * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }]
+        },
+        {
+            code: "var foo = { bar: function * () {} }",
+            options: [{ before: false, after: false, anonymous: "both" }]
+        },
+        {
+            code: "class Foo { static * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }]
+        },
+
+        // default to top level "before"
+        {
+            code: "function *foo(){}",
+            options: [{ method: "both" }]
+        },
+
+        // don't apply unrelated override
+        {
+            code: "function*foo(){}",
+            options: [{ before: false, after: false, method: "both" }]
+        },
+
+        // ensure using object-type override works
+        {
+            code: "function * foo(){}",
+            options: [{ before: false, after: false, named: { before: true, after: true } }]
+        },
+
+        // unspecified option uses default
+        {
+            code: "function *foo(){}",
+            options: [{ before: false, after: false, named: { before: true } }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7101#issuecomment-246080531
+        {
+            code: "async function foo() { }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "(async function() { })",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async () => { }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "({async foo() { }})",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "class A {async foo() { }}",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "(class {async foo() { }})",
+            parserOptions: { ecmaVersion: 8 }
+        }
+    ],
+
+    invalid: [
+
+        // Default ("before")
+        {
+            code: "function*foo(){}",
+            output: "function *foo(){}",
+            errors: [missingBeforeError]
+        },
+        {
+            code: "function* foo(arg1, arg2){}",
+            output: "function *foo(arg1, arg2){}",
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            output: "var foo = function *foo(){};",
+            errors: [missingBeforeError]
+        },
+        {
+            code: "var foo = function* (){};",
+            output: "var foo = function *(){};",
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            output: "var foo = {*foo(){} };",
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            output: "class Foo {*foo(){} }",
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { static* foo(){} }",
+            output: "class Foo { static *foo(){} }",
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+
+        // "before"
+        {
+            code: "function*foo(){}",
+            output: "function *foo(){}",
+            options: ["before"],
+            errors: [missingBeforeError]
+        },
+        {
+            code: "function* foo(arg1, arg2){}",
+            output: "function *foo(arg1, arg2){}",
+            options: ["before"],
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            output: "var foo = function *foo(){};",
+            options: ["before"],
+            errors: [missingBeforeError]
+        },
+        {
+            code: "var foo = function* (){};",
+            output: "var foo = function *(){};",
+            options: ["before"],
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            output: "var foo = {*foo(){} };",
+            options: ["before"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            output: "class Foo {*foo(){} }",
+            options: ["before"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "var foo = {* [ foo ](){} };",
+            output: "var foo = {*[ foo ](){} };",
+            options: ["before"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo {* [ foo ](){} }",
+            output: "class Foo {*[ foo ](){} }",
+            options: ["before"],
+            errors: [unexpectedAfterError]
+        },
+
+        // "after"
+        {
+            code: "function*foo(){}",
+            output: "function* foo(){}",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "function *foo(arg1, arg2){}",
+            output: "function* foo(arg1, arg2){}",
+            options: ["after"],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function *foo(){};",
+            output: "var foo = function* foo(){};",
+            options: ["after"],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function *(){};",
+            output: "var foo = function* (){};",
+            options: ["after"],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            output: "var foo = { * foo(){} };",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            output: "class Foo { * foo(){} }",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { static *foo(){} }",
+            output: "class Foo { static* foo(){} }",
+            options: ["after"],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = { *[foo](){} };",
+            output: "var foo = { * [foo](){} };",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { *[foo](){} }",
+            output: "class Foo { * [foo](){} }",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+
+        // "both"
+        {
+            code: "function*foo(){}",
+            output: "function * foo(){}",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "function*foo(arg1, arg2){}",
+            output: "function * foo(arg1, arg2){}",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            output: "var foo = function * foo(){};",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function*(){};",
+            output: "var foo = function * (){};",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            output: "var foo = {* foo(){} };",
+            options: ["both"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            output: "class Foo {* foo(){} }",
+            options: ["both"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { static*foo(){} }",
+            output: "class Foo { static * foo(){} }",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = {*[foo](){} };",
+            output: "var foo = {* [foo](){} };",
+            options: ["both"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo {*[foo](){} }",
+            output: "class Foo {* [foo](){} }",
+            options: ["both"],
+            errors: [missingAfterError]
+        },
+
+        // "neither"
+        {
+            code: "function * foo(){}",
+            output: "function*foo(){}",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "function * foo(arg1, arg2){}",
+            output: "function*foo(arg1, arg2){}",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function * foo(){};",
+            output: "var foo = function*foo(){};",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function * (){};",
+            output: "var foo = function*(){};",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            output: "var foo = { *foo(){} };",
+            options: ["neither"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            output: "class Foo { *foo(){} }",
+            options: ["neither"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { static * foo(){} }",
+            output: "class Foo { static*foo(){} }",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = { * [ foo ](){} };",
+            output: "var foo = { *[ foo ](){} };",
+            options: ["neither"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { * [ foo ](){} }",
+            output: "class Foo { *[ foo ](){} }",
+            options: ["neither"],
+            errors: [unexpectedAfterError]
+        },
+
+        // {"before": true, "after": false}
+        {
+            code: "function*foo(){}",
+            output: "function *foo(){}",
+            options: [{ before: true, after: false }],
+            errors: [missingBeforeError]
+        },
+        {
+            code: "function* foo(arg1, arg2){}",
+            output: "function *foo(arg1, arg2){}",
+            options: [{ before: true, after: false }],
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            output: "var foo = function *foo(){};",
+            options: [{ before: true, after: false }],
+            errors: [missingBeforeError]
+        },
+        {
+            code: "var foo = function* (){};",
+            output: "var foo = function *(){};",
+            options: [{ before: true, after: false }],
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = {* foo(){} };",
+            output: "var foo = {*foo(){} };",
+            options: [{ before: true, after: false }],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo {* foo(){} }",
+            output: "class Foo {*foo(){} }",
+            options: [{ before: true, after: false }],
+            errors: [unexpectedAfterError]
+        },
+
+        // {"before": false, "after": true}
+        {
+            code: "function*foo(){}",
+            output: "function* foo(){}",
+            options: [{ before: false, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "function *foo(arg1, arg2){}",
+            output: "function* foo(arg1, arg2){}",
+            options: [{ before: false, after: true }],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function *foo(){};",
+            output: "var foo = function* foo(){};",
+            options: [{ before: false, after: true }],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function *(){};",
+            output: "var foo = function* (){};",
+            options: [{ before: false, after: true }],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = { *foo(){} };",
+            output: "var foo = { * foo(){} };",
+            options: [{ before: false, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            output: "class Foo { * foo(){} }",
+            options: [{ before: false, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { static *foo(){} }",
+            output: "class Foo { static* foo(){} }",
+            options: [{ before: false, after: true }],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+
+        // {"before": true, "after": true}
+        {
+            code: "function*foo(){}",
+            output: "function * foo(){}",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "function*foo(arg1, arg2){}",
+            output: "function * foo(arg1, arg2){}",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function*foo(){};",
+            output: "var foo = function * foo(){};",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function*(){};",
+            output: "var foo = function * (){};",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = {*foo(){} };",
+            output: "var foo = {* foo(){} };",
+            options: [{ before: true, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo {*foo(){} }",
+            output: "class Foo {* foo(){} }",
+            options: [{ before: true, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "class Foo { static*foo(){} }",
+            output: "class Foo { static * foo(){} }",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+
+        // {"before": false, "after": false}
+        {
+            code: "function * foo(){}",
+            output: "function*foo(){}",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "function * foo(arg1, arg2){}",
+            output: "function*foo(arg1, arg2){}",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function * foo(){};",
+            output: "var foo = function*foo(){};",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = function * (){};",
+            output: "var foo = function*(){};",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "var foo = { * foo(){} };",
+            output: "var foo = { *foo(){} };",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { * foo(){} }",
+            output: "class Foo { *foo(){} }",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "class Foo { static * foo(){} }",
+            output: "class Foo { static*foo(){} }",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+
+        // full configurability
+        {
+            code: "function*foo(){}",
+            output: "function * foo(){}",
+            options: [{ before: false, after: false, named: "both" }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "var foo = function*(){};",
+            output: "var foo = function * (){};",
+            options: [{ before: false, after: false, anonymous: "both" }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "class Foo { *foo(){} }",
+            output: "class Foo { * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "var foo = { *foo(){} }",
+            output: "var foo = { * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "var foo = { bar: function*() {} }",
+            output: "var foo = { bar: function * () {} }",
+            options: [{ before: false, after: false, anonymous: "both" }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "class Foo { static*foo(){} }",
+            output: "class Foo { static * foo(){} }",
+            options: [{ before: false, after: false, method: "both" }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+
+        // default to top level "before"
+        {
+            code: "function*foo(){}",
+            output: "function *foo(){}",
+            options: [{ method: "both" }],
+            errors: [missingBeforeError]
+        },
+
+        // don't apply unrelated override
+        {
+            code: "function * foo(){}",
+            output: "function*foo(){}",
+            options: [{ before: false, after: false, method: "both" }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+
+        // ensure using object-type override works
+        {
+            code: "function*foo(){}",
+            output: "function * foo(){}",
+            options: [{ before: false, after: false, named: { before: true, after: true } }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+
+        // unspecified option uses default
+        {
+            code: "function*foo(){}",
+            output: "function *foo(){}",
+            options: [{ before: false, after: false, named: { before: true } }],
+            errors: [missingBeforeError]
+        },
+
+        // async generators
+        {
+            code: "({ async * foo(){} })",
+            output: "({ async*foo(){} })",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "({ async*foo(){} })",
+            output: "({ async * foo(){} })",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "class Foo { async * foo(){} }",
+            output: "class Foo { async*foo(){} }",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "class Foo { async*foo(){} }",
+            output: "class Foo { async * foo(){} }",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "class Foo { static async * foo(){} }",
+            output: "class Foo { static async*foo(){} }",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "class Foo { static async*foo(){} }",
+            output: "class Foo { static async * foo(){} }",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        }
+
+    ]
+
+});
diff --git a/eslint/tests/lib/rules/getter-return.js b/eslint/tests/lib/rules/getter-return.js
new file mode 100644
index 0000000..082e584
--- /dev/null
+++ b/eslint/tests/lib/rules/getter-return.js
@@ -0,0 +1,119 @@
+/**
+ * @fileoverview Enforces that a return statement is present in property getters.
+ * @author Aladdin-ADD(hh_2013@foxmail.com)
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/getter-return");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+const expectedError = { messageId: "expected", data: { name: "getter 'bar'" } };
+const expectedAlwaysError = { messageId: "expectedAlways", data: { name: "getter 'bar'" } };
+const options = [{ allowImplicit: true }];
+
+ruleTester.run("getter-return", rule, {
+
+    valid: [
+
+        /*
+         * test obj: get
+         * option: {allowImplicit: false}
+         */
+        "var foo = { get bar(){return true;} };",
+
+        // option: {allowImplicit: true}
+        { code: "var foo = { get bar() {return;} };", options },
+        { code: "var foo = { get bar(){return true;} };", options },
+        { code: "var foo = { get bar(){if(bar) {return;} return true;} };", options },
+
+        /*
+         * test class: get
+         * option: {allowImplicit: false}
+         */
+        "class foo { get bar(){return true;} }",
+        "class foo { get bar(){if(baz){return true;} else {return false;} } }",
+        "class foo { get(){return true;} }",
+
+        // option: {allowImplicit: true}
+        { code: "class foo { get bar(){return true;} }", options },
+        { code: "class foo { get bar(){return;} }", options },
+
+        /*
+         * test object.defineProperty(s)
+         * option: {allowImplicit: false}
+         */
+        "Object.defineProperty(foo, \"bar\", { get: function () {return true;}});",
+        "Object.defineProperty(foo, \"bar\", { get: function () { ~function (){ return true; }();return true;}});",
+        "Object.defineProperties(foo, { bar: { get: function () {return true;}} });",
+        "Object.defineProperties(foo, { bar: { get: function () { ~function (){ return true; }(); return true;}} });",
+
+        // option: {allowImplicit: true}
+        { code: "Object.defineProperty(foo, \"bar\", { get: function () {return true;}});", options },
+        { code: "Object.defineProperty(foo, \"bar\", { get: function (){return;}});", options },
+        { code: "Object.defineProperties(foo, { bar: { get: function () {return true;}} });", options },
+        { code: "Object.defineProperties(foo, { bar: { get: function () {return;}} });", options },
+
+        // not getter.
+        "var get = function(){};",
+        "var get = function(){ return true; };",
+        "var foo = { bar(){} };",
+        "var foo = { bar(){ return true; } };",
+        "var foo = { bar: function(){} };",
+        "var foo = { bar: function(){return;} };",
+        "var foo = { bar: function(){return true;} };",
+        "var foo = { get: function () {} }",
+        "var foo = { get: () => {}};"
+    ],
+
+    invalid: [
+
+        /*
+         * test obj: get
+         * option: {allowImplicit: false}
+         */
+        { code: "var foo = { get bar() {} };", errors: [expectedError] },
+        { code: "var foo = { get bar(){if(baz) {return true;}} };", errors: [expectedAlwaysError] },
+        { code: "var foo = { get bar() { ~function () {return true;}} };", errors: [expectedError] },
+
+        // option: {allowImplicit: true}
+        { code: "var foo = { get bar() {} };", options, errors: [expectedError] },
+        { code: "var foo = { get bar() {if (baz) {return;}} };", options, errors: [expectedAlwaysError] },
+
+        /*
+         * test class: get
+         * option: {allowImplicit: false}
+         */
+        { code: "class foo { get bar(){} }", errors: [expectedError] },
+        { code: "class foo { get bar(){ if (baz) { return true; }}}", errors: [expectedAlwaysError] },
+        { code: "class foo { get bar(){ ~function () { return true; }()}}", errors: [expectedError] },
+
+        // option: {allowImplicit: true}
+        { code: "class foo { get bar(){} }", options, errors: [expectedError] },
+        { code: "class foo { get bar(){if (baz) {return true;} } }", options, errors: [expectedAlwaysError] },
+
+        /*
+         * test object.defineProperty(s)
+         * option: {allowImplicit: false}
+         */
+        { code: "Object.defineProperty(foo, \"bar\", { get: function (){}});", errors: [{ messageId: "expected", data: { name: "method 'get'" } }] },
+        { code: "Object.defineProperty(foo, \"bar\", { get: () => {}});", errors: [{ messageId: "expected", data: { name: "arrow function 'get'" } }] },
+        { code: "Object.defineProperty(foo, \"bar\", { get: function (){if(bar) {return true;}}});", errors: [{ messageId: "expectedAlways" }] },
+        { code: "Object.defineProperty(foo, \"bar\", { get: function (){ ~function () { return true; }()}});", errors: [{ messageId: "expected" }] },
+        { code: "Object.defineProperties(foo, { bar: { get: function () {}} });", options, errors: [{ messageId: "expected" }] },
+        { code: "Object.defineProperties(foo, { bar: { get: function (){if(bar) {return true;}}}});", options, errors: [{ messageId: "expectedAlways" }] },
+        { code: "Object.defineProperties(foo, { bar: { get: function () {~function () { return true; }()}} });", options, errors: [{ messageId: "expected" }] },
+
+        // option: {allowImplicit: true}
+        { code: "Object.defineProperty(foo, \"bar\", { get: function (){}});", options, errors: [{ messageId: "expected" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/global-require.js b/eslint/tests/lib/rules/global-require.js
new file mode 100644
index 0000000..3fb6ccc
--- /dev/null
+++ b/eslint/tests/lib/rules/global-require.js
@@ -0,0 +1,82 @@
+/**
+ * @fileoverview Tests for global-require
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/global-require"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+const ruleTester = new RuleTester();
+
+const valid = [
+    { code: "var x = require('y');" },
+    { code: "if (x) { x.require('y'); }" },
+    { code: "var x;\nx = require('y');" },
+    { code: "var x = 1, y = require('y');" },
+    { code: "var x = require('y'), y = require('y'), z = require('z');" },
+    { code: "var x = require('y').foo;" },
+    { code: "require('y').foo();" },
+    { code: "require('y');" },
+    { code: "function x(){}\n\n\nx();\n\n\nif (x > y) {\n\tdoSomething()\n\n}\n\nvar x = require('y').foo;" },
+    { code: "var logger = require(DEBUG ? 'dev-logger' : 'logger');" },
+    { code: "var logger = DEBUG ? require('dev-logger') : require('logger');" },
+    { code: "function localScopedRequire(require) { require('y'); }" },
+    { code: "var someFunc = require('./someFunc'); someFunc(function(require) { return('bananas'); });" }
+];
+
+const error = { messageId: "unexpected", type: "CallExpression" };
+
+const invalid = [
+
+    // block statements
+    {
+        code: "if (process.env.NODE_ENV === 'DEVELOPMENT') {\n\trequire('debug');\n}",
+        errors: [error]
+    },
+    {
+        code: "var x; if (y) { x = require('debug'); }",
+        errors: [error]
+    },
+    {
+        code: "var x; if (y) { x = require('debug').baz; }",
+        errors: [error]
+    },
+    {
+        code: "function x() { require('y') }",
+        errors: [error]
+    },
+    {
+        code: "try { require('x'); } catch (e) { console.log(e); }",
+        errors: [error]
+    },
+
+    // non-block statements
+    {
+        code: "var getModule = x => require(x);",
+        parserOptions: { ecmaVersion: 6 },
+        errors: [error]
+    },
+    {
+        code: "var x = (x => require(x))('weird')",
+        parserOptions: { ecmaVersion: 6 },
+        errors: [error]
+    },
+    {
+        code: "switch(x) { case '1': require('1'); break; }",
+        errors: [error]
+    }
+];
+
+ruleTester.run("global-require", rule, {
+    valid,
+    invalid
+});
diff --git a/eslint/tests/lib/rules/grouped-accessor-pairs.js b/eslint/tests/lib/rules/grouped-accessor-pairs.js
new file mode 100644
index 0000000..e94c3a4
--- /dev/null
+++ b/eslint/tests/lib/rules/grouped-accessor-pairs.js
@@ -0,0 +1,440 @@
+/**
+ * @fileoverview Tests for the grouped-accessor-pairs rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/grouped-accessor-pairs");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("grouped-accessor-pairs", rule, {
+    valid: [
+
+        // no accessors
+        "({})",
+        "({ a })",
+        "({ a(){}, b(){}, a(){} })",
+        "({ a: 1, b: 2 })",
+        "({ a, ...b, c: 1 })",
+        "({ a, b, ...a })",
+        "({ a: 1, [b]: 2, a: 3, [b]: 4 })",
+        "({ a: function get(){}, b, a: function set(foo){} })",
+        "({ get(){}, a, set(){} })",
+        "class A {}",
+        "(class { a(){} })",
+        "class A { a(){} [b](){} a(){} [b](){} }",
+        "(class { a(){} b(){} static a(){} static b(){} })",
+        "class A { get(){} a(){} set(){} }",
+
+        // no accessor pairs
+        "({ get a(){} })",
+        "({ set a(foo){} })",
+        "({ a: 1, get b(){}, c, ...d })",
+        "({ get a(){}, get b(){}, set c(foo){}, set d(foo){} })",
+        "({ get a(){}, b: 1, set c(foo){} })",
+        "({ set a(foo){}, b: 1, a: 2 })",
+        "({ get a(){}, b: 1, a })",
+        "({ set a(foo){}, b: 1, a(){} })",
+        "({ get a(){}, b: 1, set [a](foo){} })",
+        "({ set a(foo){}, b: 1, get 'a '(){} })",
+        "({ get a(){}, b: 1, ...a })",
+        "({ set a(foo){}, b: 1 }, { get a(){} })",
+        "({ get a(){}, b: 1, ...{ set a(foo){} } })",
+        {
+            code: "({ set a(foo){}, get b(){} })",
+            options: ["getBeforeSet"]
+        },
+        {
+            code: "({ get a(){}, set b(foo){} })",
+            options: ["setBeforeGet"]
+        },
+        "class A { get a(){} }",
+        "(class { set a(foo){} })",
+        "class A { static set a(foo){} }",
+        "(class { static get a(){} })",
+        "class A { a(){} set b(foo){} c(){} }",
+        "(class { a(){} get b(){} c(){} })",
+        "class A { get a(){} static get b(){} set c(foo){} static set d(bar){} }",
+        "(class { get a(){} b(){} a(foo){} })",
+        "class A { static set a(foo){} b(){} static a(){} }",
+        "(class { get a(){} static b(){} set [a](foo){} })",
+        "class A { static set a(foo){} b(){} static get ' a'(){} }",
+        "(class { set a(foo){} b(){} static get a(){} })",
+        "class A { static set a(foo){} b(){} get a(){} }",
+        "(class { get a(){} }, class { b(){} set a(foo){} })",
+
+        // correct grouping
+        "({ get a(){}, set a(foo){} })",
+        "({ a: 1, set b(foo){}, get b(){}, c: 2 })",
+        "({ get a(){}, set a(foo){}, set b(bar){}, get b(){} })",
+        "({ get [a](){}, set [a](foo){} })",
+        "({ set a(foo){}, get 'a'(){} })",
+        "({ a: 1, b: 2, get a(){}, set a(foo){}, c: 3, a: 4 })",
+        "({ get a(){}, set a(foo){}, set b(bar){} })",
+        "({ get a(){}, get b(){}, set b(bar){} })",
+        "class A { get a(){} set a(foo){} }",
+        "(class { set a(foo){} get a(){} })",
+        "class A { static set a(foo){} static get a(){} }",
+        "(class { static get a(){} static set a(foo){} })",
+        "class A { a(){} set b(foo){} get b(){} c(){} get d(){} set d(bar){} }",
+        "(class { set a(foo){} get a(){} get b(){} set b(bar){} })",
+        "class A { static set [a](foo){} static get [a](){} }",
+        "(class { get a(){} set [`a`](foo){} })",
+        "class A { static get a(){} static set a(foo){} set a(bar){} static get a(){} }",
+        "(class { static get a(){} get a(){} set a(foo){} })",
+
+        // correct order
+        {
+            code: "({ get a(){}, set a(foo){} })",
+            options: ["anyOrder"]
+        },
+        {
+            code: "({ set a(foo){}, get a(){} })",
+            options: ["anyOrder"]
+        },
+        {
+            code: "({ get a(){}, set a(foo){} })",
+            options: ["getBeforeSet"]
+        },
+        {
+            code: "({ set a(foo){}, get a(){} })",
+            options: ["setBeforeGet"]
+        },
+        {
+            code: "class A { get a(){} set a(foo){} }",
+            options: ["anyOrder"]
+        },
+        {
+            code: "(class { set a(foo){} get a(){} })",
+            options: ["anyOrder"]
+        },
+        {
+            code: "class A { get a(){} set a(foo){} }",
+            options: ["getBeforeSet"]
+        },
+        {
+            code: "(class { static set a(foo){} static get a(){} })",
+            options: ["setBeforeGet"]
+        },
+
+        // ignores properties with duplicate getters/setters
+        "({ get a(){}, b: 1, get a(){} })",
+        "({ set a(foo){}, b: 1, set a(foo){} })",
+        "({ get a(){}, b: 1, set a(foo){}, c: 2, get a(){} })",
+        "({ set a(foo){}, b: 1, set 'a'(bar){}, c: 2, get a(){} })",
+        "class A { get [a](){} b(){} get [a](){} c(){} set [a](foo){} }",
+        "(class { static set a(foo){} b(){} static get a(){} static c(){} static set a(bar){} })"
+    ],
+
+    invalid: [
+
+        // basic grouping tests with full messages
+        {
+            code: "({ get a(){}, b:1, set a(foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 20 }]
+        },
+        {
+            code: "({ set 'abc'(foo){}, b:1, get 'abc'(){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "setter 'abc'", latterName: "getter 'abc'" }, type: "Property", column: 27 }]
+        },
+        {
+            code: "({ get [a](){}, b:1, set [a](foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter", latterName: "setter" }, type: "Property", column: 22 }]
+        },
+        {
+            code: "class A { get abc(){} b(){} set abc(foo){} }",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'abc'", latterName: "setter 'abc'" }, type: "MethodDefinition", column: 29 }]
+        },
+        {
+            code: "(class { set abc(foo){} b(){} get abc(){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "setter 'abc'", latterName: "getter 'abc'" }, type: "MethodDefinition", column: 31 }]
+        },
+        {
+            code: "class A { static set a(foo){} b(){} static get a(){} }",
+            errors: [{ messageId: "notGrouped", data: { formerName: "static setter 'a'", latterName: "static getter 'a'" }, type: "MethodDefinition", column: 37 }]
+        },
+        {
+            code: "(class { static get 123(){} b(){} static set 123(foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "static getter '123'", latterName: "static setter '123'" }, type: "MethodDefinition", column: 35 }]
+        },
+        {
+            code: "class A { static get [a](){} b(){} static set [a](foo){} }",
+            errors: [{ messageId: "notGrouped", data: { formerName: "static getter", latterName: "static setter" }, type: "MethodDefinition", column: 36 }]
+        },
+
+        // basic ordering tests with full messages
+        {
+            code: "({ set a(foo){}, get a(){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "getter 'a'", formerName: "setter 'a'" }, type: "Property", column: 18 }]
+        },
+        {
+            code: "({ get 123(){}, set 123(foo){} })",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "setter '123'", formerName: "getter '123'" }, type: "Property", column: 17 }]
+        },
+        {
+            code: "({ get [a](){}, set [a](foo){} })",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "setter", formerName: "getter" }, type: "Property", column: 17 }]
+        },
+        {
+            code: "class A { set abc(foo){} get abc(){} }",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "getter 'abc'", formerName: "setter 'abc'" }, type: "MethodDefinition", column: 26 }]
+        },
+        {
+            code: "(class { get [`abc`](){} set [`abc`](foo){} })",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "setter 'abc'", formerName: "getter 'abc'" }, type: "MethodDefinition", column: 26 }]
+        },
+        {
+            code: "class A { static get a(){} static set a(foo){} }",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "static setter 'a'", formerName: "static getter 'a'" }, type: "MethodDefinition", column: 28 }]
+        },
+        {
+            code: "(class { static set 'abc'(foo){} static get 'abc'(){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { latterName: "static getter 'abc'", formerName: "static setter 'abc'" }, type: "MethodDefinition", column: 34 }]
+        },
+        {
+            code: "class A { static set [abc](foo){} static get [abc](){} }",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "static setter", latterName: "static getter" }, type: "MethodDefinition", column: 35 }]
+        },
+
+        // ordering option does not affect the grouping check
+        {
+            code: "({ get a(){}, b: 1, set a(foo){} })",
+            options: ["anyOrder"],
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property" }]
+        },
+        {
+            code: "({ get a(){}, b: 1, set a(foo){} })",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property" }]
+        },
+        {
+            code: "({ get a(){}, b: 1, set a(foo){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property" }]
+        },
+        {
+            code: "class A { set a(foo){} b(){} get a(){} }",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "notGrouped", data: { formerName: "setter 'a'", latterName: "getter 'a'" }, type: "MethodDefinition" }]
+        },
+        {
+            code: "(class { static set a(foo){} b(){} static get a(){} })",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "notGrouped", data: { formerName: "static setter 'a'", latterName: "static getter 'a'" }, type: "MethodDefinition" }]
+        },
+
+        // various kinds of keys
+        {
+            code: "({ get 'abc'(){}, d(){}, set 'abc'(foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'abc'", latterName: "setter 'abc'" }, type: "Property" }]
+        },
+        {
+            code: "({ set ''(foo){}, get [''](){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter ''", latterName: "getter ''" }, type: "Property" }]
+        },
+        {
+            code: "class A { set abc(foo){} get 'abc'(){} }",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter 'abc'", latterName: "getter 'abc'" }, type: "MethodDefinition" }]
+        },
+        {
+            code: "(class { set [`abc`](foo){} get abc(){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter 'abc'", latterName: "getter 'abc'" }, type: "MethodDefinition" }]
+        },
+        {
+            code: "({ set ['abc'](foo){}, get [`abc`](){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter 'abc'", latterName: "getter 'abc'" }, type: "Property" }]
+        },
+        {
+            code: "({ set 123(foo){}, get [123](){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter '123'", latterName: "getter '123'" }, type: "Property" }]
+        },
+        {
+            code: "class A { static set '123'(foo){} static get 123(){} }",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "static setter '123'", latterName: "static getter '123'" }, type: "MethodDefinition" }]
+        },
+        {
+            code: "(class { set [a+b](foo){} get [a+b](){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter", latterName: "getter" }, type: "MethodDefinition" }]
+        },
+        {
+            code: "({ set [f(a)](foo){}, get [f(a)](){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter", latterName: "getter" }, type: "Property" }]
+        },
+
+        // multiple invalid
+        {
+            code: "({ get a(){}, b: 1, set a(foo){}, set c(foo){}, d(){}, get c(){} })",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 21 },
+                { messageId: "notGrouped", data: { formerName: "setter 'c'", latterName: "getter 'c'" }, type: "Property", column: 56 }
+            ]
+        },
+        {
+            code: "({ get a(){}, set b(foo){}, set a(bar){}, get b(){} })",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 29 },
+                { messageId: "notGrouped", data: { formerName: "setter 'b'", latterName: "getter 'b'" }, type: "Property", column: 43 }
+            ]
+        },
+        {
+            code: "({ get a(){}, set [a](foo){}, set a(bar){}, get [a](){} })",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 31 },
+                { messageId: "notGrouped", data: { formerName: "setter", latterName: "getter" }, type: "Property", column: 45 }
+            ]
+        },
+        {
+            code: "({ a(){}, set b(foo){}, ...c, get b(){}, set c(bar){}, get c(){} })",
+            options: ["getBeforeSet"],
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "setter 'b'", latterName: "getter 'b'" }, type: "Property", column: 31 },
+                { messageId: "invalidOrder", data: { formerName: "setter 'c'", latterName: "getter 'c'" }, type: "Property", column: 56 }
+            ]
+        },
+        {
+            code: "({ set [a](foo){}, get [a](){}, set [-a](bar){}, get [-a](){} })",
+            options: ["getBeforeSet"],
+            errors: [
+                { messageId: "invalidOrder", data: { formerName: "setter", latterName: "getter" }, type: "Property", column: 20 },
+                { messageId: "invalidOrder", data: { formerName: "setter", latterName: "getter" }, type: "Property", column: 50 }
+            ]
+        },
+        {
+            code: "class A { get a(){} constructor (){} set a(foo){} get b(){} static c(){} set b(bar){} }",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "MethodDefinition", column: 38 },
+                { messageId: "notGrouped", data: { formerName: "getter 'b'", latterName: "setter 'b'" }, type: "MethodDefinition", column: 74 }
+            ]
+        },
+        {
+            code: "(class { set a(foo){} static get a(){} get a(){} static set a(bar){} })",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "setter 'a'", latterName: "getter 'a'" }, type: "MethodDefinition", column: 40 },
+                { messageId: "notGrouped", data: { formerName: "static getter 'a'", latterName: "static setter 'a'" }, type: "MethodDefinition", column: 50 }
+            ]
+        },
+        {
+            code: "class A { get a(){} set a(foo){} static get b(){} static set b(bar){} }",
+            options: ["setBeforeGet"],
+            errors: [
+                { messageId: "invalidOrder", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "MethodDefinition", column: 21 },
+                { messageId: "invalidOrder", data: { formerName: "static getter 'b'", latterName: "static setter 'b'" }, type: "MethodDefinition", column: 51 }
+            ]
+        },
+        {
+            code: "(class { set [a+b](foo){} get [a-b](){} get [a+b](){} set [a-b](bar){} })",
+            errors: [
+                { messageId: "notGrouped", data: { formerName: "setter", latterName: "getter" }, type: "MethodDefinition", column: 41 },
+                { messageId: "notGrouped", data: { formerName: "getter", latterName: "setter" }, type: "MethodDefinition", column: 55 }
+            ]
+        },
+
+        // combinations of valid and invalid
+        {
+            code: "({ get a(){}, set a(foo){}, get b(){}, c: function(){}, set b(bar){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'b'", latterName: "setter 'b'" }, type: "Property", column: 57 }]
+        },
+        {
+            code: "({ get a(){}, get b(){}, set a(foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 26 }]
+        },
+        {
+            code: "({ set a(foo){}, get [a](){}, get a(){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "setter 'a'", latterName: "getter 'a'" }, type: "Property", column: 31 }]
+        },
+        {
+            code: "({ set [a](foo){}, set a(bar){}, get [a](){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "setter", latterName: "getter" }, type: "Property", column: 34 }]
+        },
+        {
+            code: "({ get a(){}, set a(foo){}, set b(bar){}, get b(){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter 'b'", latterName: "getter 'b'" }, type: "Property", column: 43 }]
+        },
+        {
+            code: "class A { get a(){} static set b(foo){} static get b(){} set a(foo){} }",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "MethodDefinition", column: 58 }]
+        },
+        {
+            code: "(class { static get a(){} set a(foo){} static set a(bar){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "static getter 'a'", latterName: "static setter 'a'" }, type: "MethodDefinition", column: 40 }]
+        },
+        {
+            code: "class A { set a(foo){} get a(){} static get a(){} static set a(bar){} }",
+            options: ["setBeforeGet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "static getter 'a'", latterName: "static setter 'a'" }, type: "MethodDefinition", column: 51 }]
+        },
+
+        // non-accessor duplicates do not affect this rule
+        {
+            code: "({ get a(){}, a: 1, set a(foo){} })",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "Property", column: 21 }]
+        },
+        {
+            code: "({ a(){}, set a(foo){}, get a(){} })",
+            options: ["getBeforeSet"],
+            errors: [{ messageId: "invalidOrder", data: { formerName: "setter 'a'", latterName: "getter 'a'" }, type: "Property", column: 25 }]
+        },
+        {
+            code: "class A { get a(){} a(){} set a(foo){} }",
+            errors: [{ messageId: "notGrouped", data: { formerName: "getter 'a'", latterName: "setter 'a'" }, type: "MethodDefinition", column: 27 }]
+        },
+
+        // full location tests
+        {
+            code: "({ get a(){},\n    b: 1,\n    set a(foo){}\n})",
+            errors: [
+                {
+                    messageId: "notGrouped",
+                    data: { formerName: "getter 'a'", latterName: "setter 'a'" },
+                    type: "Property",
+                    line: 3,
+                    column: 5,
+                    endLine: 3,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "class A { static set a(foo){} b(){} static get \n a(){}\n}",
+            errors: [
+                {
+                    messageId: "notGrouped",
+                    data: { formerName: "static setter 'a'", latterName: "static getter 'a'" },
+                    type: "MethodDefinition",
+                    line: 1,
+                    column: 37,
+                    endLine: 2,
+                    endColumn: 3
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/guard-for-in.js b/eslint/tests/lib/rules/guard-for-in.js
new file mode 100644
index 0000000..578c601
--- /dev/null
+++ b/eslint/tests/lib/rules/guard-for-in.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Tests for guard-for-in rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/guard-for-in"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const error = { messageId: "wrap", type: "ForInStatement" };
+
+ruleTester.run("guard-for-in", rule, {
+    valid: [
+        "for (var x in o);",
+        "for (var x in o) {}",
+        "for (var x in o) if (x) f();",
+        "for (var x in o) { if (x) { f(); } }",
+        "for (var x in o) { if (x) continue; f(); }",
+        "for (var x in o) { if (x) { continue; } f(); }"
+    ],
+    invalid: [
+        { code: "for (var x in o) { if (x) { f(); continue; } g(); }", errors: [error] },
+        { code: "for (var x in o) { if (x) { continue; f(); } g(); }", errors: [error] },
+        { code: "for (var x in o) { if (x) { f(); } g(); }", errors: [error] },
+        { code: "for (var x in o) { if (x) f(); g(); }", errors: [error] },
+        { code: "for (var x in o) { foo() }", errors: [error] },
+        { code: "for (var x in o) foo();", errors: [error] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/handle-callback-err.js b/eslint/tests/lib/rules/handle-callback-err.js
new file mode 100644
index 0000000..73ce75d
--- /dev/null
+++ b/eslint/tests/lib/rules/handle-callback-err.js
@@ -0,0 +1,74 @@
+/**
+ * @fileoverview Tests for missing-err rule.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/handle-callback-err"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const expectedFunctionDeclarationError = { messageId: "expected", type: "FunctionDeclaration" };
+const expectedFunctionExpressionError = { messageId: "expected", type: "FunctionExpression" };
+
+ruleTester.run("handle-callback-err", rule, {
+    valid: [
+        "function test(error) {}",
+        "function test(err) {console.log(err);}",
+        "function test(err, data) {if(err){ data = 'ERROR';}}",
+        "var test = function(err) {console.log(err);};",
+        "var test = function(err) {if(err){/* do nothing */}};",
+        "var test = function(err) {if(!err){doSomethingHere();}else{};}",
+        "var test = function(err, data) {if(!err) { good(); } else { bad(); }}",
+        "try { } catch(err) {}",
+        "getData(function(err, data) {if (err) {}getMoreDataWith(data, function(err, moreData) {if (err) {}getEvenMoreDataWith(moreData, function(err, allOfTheThings) {if (err) {}});});});",
+        "var test = function(err) {if(! err){doSomethingHere();}};",
+        "function test(err, data) {if (data) {doSomething(function(err) {console.error(err);});} else if (err) {console.log(err);}}",
+        "function handler(err, data) {if (data) {doSomethingWith(data);} else if (err) {console.log(err);}}",
+        "function handler(err) {logThisAction(function(err) {if (err) {}}); console.log(err);}",
+        "function userHandler(err) {process.nextTick(function() {if (err) {}})}",
+        "function help() { function userHandler(err) {function tester() { err; process.nextTick(function() { err; }); } } }",
+        "function help(done) { var err = new Error('error'); done(); }",
+        { code: "var test = err => err;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = err => !err;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = err => err.message;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = function(error) {if(error){/* do nothing */}};", options: ["error"] },
+        { code: "var test = (error) => {if(error){/* do nothing */}};", options: ["error"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = function(error) {if(! error){doSomethingHere();}};", options: ["error"] },
+        { code: "var test = function(err) { console.log(err); };", options: ["^(err|error)$"] },
+        { code: "var test = function(error) { console.log(error); };", options: ["^(err|error)$"] },
+        { code: "var test = function(anyError) { console.log(anyError); };", options: ["^.+Error$"] },
+        { code: "var test = function(any_error) { console.log(anyError); };", options: ["^.+Error$"] },
+        { code: "var test = function(any_error) { console.log(any_error); };", options: ["^.+(e|E)rror$"] }
+    ],
+    invalid: [
+        { code: "function test(err) {}", errors: [expectedFunctionDeclarationError] },
+        { code: "function test(err, data) {}", errors: [expectedFunctionDeclarationError] },
+        { code: "function test(err) {errorLookingWord();}", errors: [expectedFunctionDeclarationError] },
+        { code: "function test(err) {try{} catch(err) {}}", errors: [expectedFunctionDeclarationError] },
+        { code: "function test(err, callback) { foo(function(err, callback) {}); }", errors: [expectedFunctionDeclarationError, expectedFunctionExpressionError] },
+        { code: "var test = (err) => {};", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "expected" }] },
+        { code: "var test = function(err) {};", errors: [expectedFunctionExpressionError] },
+        { code: "var test = function test(err, data) {};", errors: [expectedFunctionExpressionError] },
+        { code: "var test = function test(err) {/* if(err){} */};", errors: [expectedFunctionExpressionError] },
+        { code: "function test(err) {doSomethingHere(function(err){console.log(err);})}", errors: [expectedFunctionDeclarationError] },
+        { code: "function test(error) {}", options: ["error"], errors: [expectedFunctionDeclarationError] },
+        { code: "getData(function(err, data) {getMoreDataWith(data, function(err, moreData) {if (err) {}getEvenMoreDataWith(moreData, function(err, allOfTheThings) {if (err) {}});}); });", errors: [expectedFunctionExpressionError] },
+        { code: "getData(function(err, data) {getMoreDataWith(data, function(err, moreData) {getEvenMoreDataWith(moreData, function(err, allOfTheThings) {if (err) {}});}); });", errors: [expectedFunctionExpressionError, expectedFunctionExpressionError] },
+        { code: "function userHandler(err) {logThisAction(function(err) {if (err) { console.log(err); } })}", errors: [expectedFunctionDeclarationError] },
+        { code: "function help() { function userHandler(err) {function tester(err) { err; process.nextTick(function() { err; }); } } }", errors: [expectedFunctionDeclarationError] },
+        { code: "var test = function(anyError) { console.log(otherError); };", options: ["^.+Error$"], errors: [expectedFunctionExpressionError] },
+        { code: "var test = function(anyError) { };", options: ["^.+Error$"], errors: [expectedFunctionExpressionError] },
+        { code: "var test = function(err) { console.log(error); };", options: ["^(err|error)$"], errors: [expectedFunctionExpressionError] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/id-blacklist.js b/eslint/tests/lib/rules/id-blacklist.js
new file mode 100644
index 0000000..3d40bee
--- /dev/null
+++ b/eslint/tests/lib/rules/id-blacklist.js
@@ -0,0 +1,1351 @@
+/**
+ * @fileoverview Tests for id-blacklist rule.
+ * @author Keith Cirkel
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/id-blacklist"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const error = { messageId: "blacklisted", type: "Identifier" };
+
+ruleTester.run("id-blacklist", rule, {
+    valid: [
+        {
+            code: "foo = \"bar\"",
+            options: ["bar"]
+        },
+        {
+            code: "bar = \"bar\"",
+            options: ["foo"]
+        },
+        {
+            code: "foo = \"bar\"",
+            options: ["f", "fo", "fooo", "bar"]
+        },
+        {
+            code: "function foo(){}",
+            options: ["bar"]
+        },
+        {
+            code: "foo()",
+            options: ["f", "fo", "fooo", "bar"]
+        },
+        {
+            code: "import { foo as bar } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export { foo as bar } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "foo.bar()",
+            options: ["f", "fo", "fooo", "b", "ba", "baz"]
+        },
+        {
+            code: "var foo = bar.baz;",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz"]
+        },
+        {
+            code: "var foo = bar.baz.bing;",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "foo.bar.baz = bing.bong.bash;",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "if (foo.bar) {}",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "var obj = { key: foo.bar };",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "const {foo: bar} = baz",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const {foo: {bar: baz}} = qux",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ bar: baz }) {}",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ bar: {baz: qux} }) {}",
+            options: ["bar", "baz"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({baz} = obj.qux) {}",
+            options: ["qux"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo({ foo: {baz} = obj.qux }) {}",
+            options: ["qux"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({a: bar = obj.baz});",
+            options: ["baz"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({foo: {a: bar = obj.baz}} = qux);",
+            options: ["baz"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var arr = [foo.bar];",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "[foo.bar]",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "[foo.bar.nesting]",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "if (foo.bar === bar.baz) { [foo.bar] }",
+            options: ["f", "fo", "fooo", "b", "ba", "barr", "bazz", "bingg"]
+        },
+        {
+            code: "var myArray = new Array(); var myDate = new Date();",
+            options: ["array", "date", "mydate", "myarray", "new", "var"]
+        },
+        {
+            code: "foo()",
+            options: ["foo"]
+        },
+        {
+            code: "foo.bar()",
+            options: ["bar"]
+        },
+        {
+            code: "foo.bar",
+            options: ["bar"]
+        },
+        {
+            code: "({foo: obj.bar.bar.bar.baz} = {});",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "({[obj.bar]: a = baz} = qux);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // references to global variables
+        {
+            code: "Number.parseInt()",
+            options: ["Number"]
+        },
+        {
+            code: "x = Number.NaN;",
+            options: ["Number"]
+        },
+        {
+            code: "var foo = undefined;",
+            options: ["undefined"]
+        },
+        {
+            code: "if (foo === undefined);",
+            options: ["undefined"]
+        },
+        {
+            code: "obj[undefined] = 5;", // creates obj["undefined"]. It should be disallowed, but the rule doesn't know values of globals and can't control computed access.
+            options: ["undefined"]
+        },
+        {
+            code: "foo = { [myGlobal]: 1 };",
+            options: ["myGlobal"],
+            parserOptions: { ecmaVersion: 6 },
+            globals: { myGlobal: "readonly" }
+        },
+        {
+            code: "({ myGlobal } = foo);", // writability doesn't affect the logic, it's always assumed that user doesn't have control over the names of globals.
+            options: ["myGlobal"],
+            parserOptions: { ecmaVersion: 6 },
+            globals: { myGlobal: "writable" }
+        },
+        {
+            code: "/* global myGlobal: readonly */ myGlobal = 5;",
+            options: ["myGlobal"]
+        },
+        {
+            code: "var foo = [Map];",
+            options: ["Map"],
+            env: { es6: true }
+        },
+        {
+            code: "var foo = { bar: window.baz };",
+            options: ["window"],
+            env: { browser: true }
+        }
+    ],
+    invalid: [
+        {
+            code: "foo = \"bar\"",
+            options: ["foo"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "bar = \"bar\"",
+            options: ["bar"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "foo = \"bar\"",
+            options: ["f", "fo", "foo", "bar"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "function foo(){}",
+            options: ["f", "fo", "foo", "bar"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "import foo from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "import * as foo from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "import { foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "import { foo as bar } from 'mod'",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "import { foo as bar } from 'mod'",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "import { foo as foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "import { foo, foo as bar } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 10
+            }]
+        },
+        {
+            code: "import { foo as bar, foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 22
+            }]
+        },
+        {
+            code: "import foo, { foo as bar } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 8
+            }]
+        },
+        {
+            code: "var foo; export { foo as bar };",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier",
+                column: 26
+            }]
+        },
+        {
+            code: "var foo; export { foo };",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 5
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var foo; export { foo as bar };",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 5
+                },
+
+                // reports each occurence of local identifier, although it's renamed in this export specifier
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var foo; export { foo as foo };",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 5
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 19
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 26
+                }
+            ]
+        },
+        {
+            code: "var foo; export { foo as bar };",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 5
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 19
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 26
+                }
+            ]
+        },
+        {
+            code: "export { foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "export { foo as bar } from 'mod'",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "export { foo as bar } from 'mod'",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "export { foo as foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 17
+            }]
+        },
+        {
+            code: "export { foo, foo as bar } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 10
+            }]
+        },
+        {
+            code: "export { foo as bar, foo } from 'mod'",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "foo" },
+                type: "Identifier",
+                column: 22
+            }]
+        },
+        {
+            code: "foo.bar()",
+            options: ["f", "fo", "foo", "b", "ba", "baz"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "foo[bar] = baz;",
+            options: ["bar"],
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "baz = foo[bar];",
+            options: ["bar"],
+            errors: [{
+                messageId: "blacklisted",
+                data: { name: "bar" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var foo = bar.baz;",
+            options: ["f", "fo", "foo", "b", "ba", "barr", "bazz"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var foo = bar.baz;",
+            options: ["f", "fo", "fooo", "b", "ba", "bar", "bazz"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "if (foo.bar) {}",
+            options: ["f", "fo", "foo", "b", "ba", "barr", "bazz", "bingg"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var obj = { key: foo.bar };",
+            options: ["obj"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var obj = { key: foo.bar };",
+            options: ["key"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var obj = { key: foo.bar };",
+            options: ["foo"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var arr = [foo.bar];",
+            options: ["arr"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var arr = [foo.bar];",
+            options: ["foo"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "[foo.bar]",
+            options: ["f", "fo", "foo", "b", "ba", "barr", "bazz", "bingg"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "if (foo.bar === bar.baz) { [bing.baz] }",
+            options: ["f", "fo", "foo", "b", "ba", "barr", "bazz", "bingg"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "if (foo.bar === bar.baz) { [foo.bar] }",
+            options: ["f", "fo", "fooo", "b", "ba", "bar", "bazz", "bingg"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var myArray = new Array(); var myDate = new Date();",
+            options: ["array", "date", "myDate", "myarray", "new", "var"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "var myArray = new Array(); var myDate = new Date();",
+            options: ["array", "date", "mydate", "myArray", "new", "var"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "foo.bar = 1",
+            options: ["bar"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "foo.bar.baz = 1",
+            options: ["bar", "baz"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "const {foo} = baz",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "const {foo: bar} = baz",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "const {[foo]: bar} = baz",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 9
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 15
+                }
+            ]
+        },
+        {
+            code: "const {foo: {bar: baz}} = qux",
+            options: ["foo", "bar", "baz"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "const {foo: {[bar]: baz}} = qux",
+            options: ["foo", "bar", "baz"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 15
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 21
+                }
+            ]
+        },
+        {
+            code: "const {[foo]: {[bar]: baz}} = qux",
+            options: ["foo", "bar", "baz"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 9
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 17
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "function foo({ bar: baz }) {}",
+            options: ["bar", "baz"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 21
+                }
+            ]
+        },
+        {
+            code: "function foo({ bar: {baz: qux} }) {}",
+            options: ["bar", "baz", "qux"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "qux" },
+                    type: "Identifier",
+                    column: 27
+                }
+            ]
+        },
+        {
+            code: "({foo: obj.bar} = baz);",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "({foo: obj.bar.bar.bar.baz} = {});",
+            options: ["foo", "bar", "baz"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 24
+                }
+            ]
+        },
+        {
+            code: "({[foo]: obj.bar} = baz);",
+            options: ["foo", "bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 4
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "({foo: { a: obj.bar }} = baz);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "({a: obj.bar = baz} = qux);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "({a: obj.bar.bar.baz = obj.qux} = obj.qux);",
+            options: ["a", "bar", "baz", "qux"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "baz" },
+                    type: "Identifier",
+                    column: 18
+                }
+            ]
+        },
+        {
+            code: "({a: obj[bar] = obj.qux} = obj.qux);",
+            options: ["a", "bar", "baz", "qux"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "({a: [obj.bar] = baz} = qux);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "({foo: { a: obj.bar = baz}} = qux);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "({foo: { [a]: obj.bar }} = baz);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "({...obj.bar} = baz);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 9 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "([obj.bar] = baz);",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 7
+                }
+            ]
+        },
+        {
+            code: "const [bar] = baz;",
+            options: ["bar"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "bar" },
+                    type: "Identifier",
+                    column: 8
+                }
+            ]
+        },
+
+        // not a reference to a global variable, because it isn't a reference to a variable
+        {
+            code: "foo.undefined = 1;",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = { undefined: 1 };",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = { undefined: undefined };",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = { Number() {} };",
+            options: ["Number"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "class Foo { Number() {} }",
+            options: ["Number"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "myGlobal: while(foo) { break myGlobal; } ",
+            options: ["myGlobal"],
+            globals: { myGlobal: "readonly" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "myGlobal" },
+                    type: "Identifier",
+                    column: 1
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "myGlobal" },
+                    type: "Identifier",
+                    column: 30
+                }
+            ]
+        },
+
+        // globals declared in the given source code are not excluded from consideration
+        {
+            code: "const foo = 1; bar = foo;",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 7
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 22
+                }
+            ]
+        },
+        {
+            code: "let foo; foo = bar;",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 5
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "bar = foo; var foo;",
+            options: ["foo"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 7
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "function foo() {} var bar = foo;",
+            options: ["foo"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 10
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "foo" },
+                    type: "Identifier",
+                    column: 29
+                }
+            ]
+        },
+        {
+            code: "class Foo {} var bar = Foo;",
+            options: ["Foo"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Foo" },
+                    type: "Identifier",
+                    column: 7
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Foo" },
+                    type: "Identifier",
+                    column: 24
+                }
+            ]
+        },
+
+        // redeclared globals are not excluded from consideration
+        {
+            code: "let undefined; undefined = 1;",
+            options: ["undefined"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 5
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "foo = undefined; var undefined;",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 7
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 22
+                }
+            ]
+        },
+        {
+            code: "function undefined(){} x = undefined;",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 10
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 28
+                }
+            ]
+        },
+        {
+            code: "class Number {} x = Number.NaN;",
+            options: ["Number"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 7
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 21
+                }
+            ]
+        },
+
+        /*
+         * Assignment to a property with a blacklisted name isn't allowed, in general.
+         * In this case, that restriction prevents creating a global variable with a blacklisted name.
+         */
+        {
+            code: "/* globals myGlobal */ window.myGlobal = 5; foo = myGlobal;",
+            options: ["myGlobal"],
+            env: { browser: true },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "myGlobal" },
+                    type: "Identifier",
+                    column: 31
+                }
+            ]
+        },
+
+        // disabled global variables
+        {
+            code: "var foo = undefined;",
+            options: ["undefined"],
+            globals: { undefined: "off" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "/* globals Number: off */ Number.parseInt()",
+            options: ["Number"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = [Map];", // this actually isn't a disabled global: it was never enabled because es6 environment isn't enabled
+            options: ["Map"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Map" },
+                    type: "Identifier"
+                }
+            ]
+        },
+
+        // shadowed global variables
+        {
+            code: "if (foo) { let undefined; bar = undefined; }",
+            options: ["undefined"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 16
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier",
+                    column: 33
+                }
+            ]
+        },
+        {
+            code: "function foo(Number) { var x = Number.NaN; }",
+            options: ["Number"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 14
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 32
+                }
+            ]
+        },
+        {
+            code: "function foo() { var myGlobal; x = myGlobal; }",
+            options: ["myGlobal"],
+            globals: { myGlobal: "readonly" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "myGlobal" },
+                    type: "Identifier",
+                    column: 22
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "myGlobal" },
+                    type: "Identifier",
+                    column: 36
+                }
+            ]
+        },
+        {
+            code: "function foo(bar) { return Number.parseInt(bar); } const Number = 1;",
+            options: ["Number"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 28
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 58
+                }
+            ]
+        },
+        {
+            code: "import Number from 'myNumber'; const foo = Number.parseInt(bar);",
+            options: ["Number"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 8
+                },
+                {
+                    messageId: "blacklisted",
+                    data: { name: "Number" },
+                    type: "Identifier",
+                    column: 44
+                }
+            ]
+        },
+        {
+            code: "var foo = function undefined() {};",
+            options: ["undefined"],
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier"
+                }
+            ]
+        },
+
+        // this is a reference to a global variable, but at the same time creates a property with a blacklisted name
+        {
+            code: "var foo = { undefined }",
+            options: ["undefined"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "blacklisted",
+                    data: { name: "undefined" },
+                    type: "Identifier"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/id-length.js b/eslint/tests/lib/rules/id-length.js
new file mode 100644
index 0000000..a63ae1b
--- /dev/null
+++ b/eslint/tests/lib/rules/id-length.js
@@ -0,0 +1,445 @@
+/**
+ * @fileoverview Tests for id-length rule.
+ * @author Burak Yigit Kaya
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/id-length"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const tooShortError = { messageId: "tooShort", type: "Identifier" };
+const tooLongError = { messageId: "tooLong", type: "Identifier" };
+
+ruleTester.run("id-length", rule, {
+    valid: [
+        "var xyz;",
+        "var xy = 1;",
+        "function xyz() {};",
+        "function xyz(abc, de) {};",
+        "var obj = { abc: 1, de: 2 };",
+        "var obj = { 'a': 1, bc: 2 };",
+        "var obj = {}; obj['a'] = 2;",
+        "abc = d;",
+        "try { blah(); } catch (err) { /* pass */ }",
+        "var handler = function ($e) {};",
+        "var _a = 2",
+        "var _ad$$ = new $;",
+        "var xyz = new ΣΣ();",
+        "unrelatedExpressionThatNeedsToBeIgnored();",
+        "var obj = { 'a': 1, bc: 2 }; obj.tk = obj.a;",
+        "var query = location.query.q || '';",
+        "var query = location.query.q ? location.query.q : ''",
+        { code: "let {a: foo} = bar;", parserOptions: { ecmaVersion: 6 } },
+        { code: "let foo = { [a]: 1 };", parserOptions: { ecmaVersion: 6 } },
+        { code: "let foo = { [a + b]: 1 };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = Foo(42)", options: [{ min: 1 }] },
+        { code: "var x = Foo(42)", options: [{ min: 0 }] },
+        { code: "foo.$x = Foo(42)", options: [{ min: 1 }] },
+        { code: "var lalala = Foo(42)", options: [{ max: 6 }] },
+        { code: "for (var q, h=0; h < 10; h++) { console.log(h); q++; }", options: [{ exceptions: ["h", "q"] }] },
+        { code: "(num) => { num * num };", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(num = 0) { }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class MyClass { }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class Foo { method() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(...args) { }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var { prop } = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var { [a]: prop } = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var { a: foo } = {};", options: [{ min: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { prop: foo } = {};", options: [{ max: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { longName: foo } = {};", options: [{ min: 3, max: 5 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { foo: a } = {};", options: [{ exceptions: ["a"] }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { a: { b: { c: longName } } } = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a: obj.x.y.z } = {});", options: [{ properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "import something from 'y';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export var num = 0;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "({ prop: obj.x.y.something } = {});", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ prop: obj.longName } = {});", parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = { a: 1, bc: 2 };", options: [{ properties: "never" }] },
+        { code: "var obj = { [a]: 2 };", options: [{ properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {}; obj.a = 1; obj.bc = 2;", options: [{ properties: "never" }] },
+        { code: "({ prop: obj.x } = {});", options: [{ properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = { aaaaa: 1 };", options: [{ max: 4, properties: "never" }] },
+        { code: "var obj = {}; obj.aaaaa = 1;", options: [{ max: 4, properties: "never" }] },
+        { code: "({ a: obj.x.y.z } = {});", options: [{ max: 4, properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ prop: obj.xxxxx } = {});", options: [{ max: 4, properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var arr = [i,j,f,b]", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo([arr]) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x} = foo;", options: [{ properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x, y: {z}} = foo;", options: [{ properties: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "let foo = { [a]: 1 };", options: [{ properties: "always" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "let foo = { [a + b]: 1 };", options: [{ properties: "always" }], parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        { code: "var x = 1;", errors: [tooShortError] },
+        { code: "var x;", errors: [tooShortError] },
+        { code: "obj.e = document.body;", errors: [tooShortError] },
+        { code: "function x() {};", errors: [tooShortError] },
+        { code: "function xyz(a) {};", errors: [tooShortError] },
+        { code: "var obj = { a: 1, bc: 2 };", errors: [tooShortError] },
+        { code: "try { blah(); } catch (e) { /* pass */ }", errors: [tooShortError] },
+        { code: "var handler = function (e) {};", errors: [tooShortError] },
+        { code: "for (var i=0; i < 10; i++) { console.log(i); }", errors: [tooShortError] },
+        { code: "var j=0; while (j > -10) { console.log(--j); }", errors: [tooShortError] },
+        { code: "var [i] = arr;", parserOptions: { ecmaVersion: 6 }, errors: [tooShortError] },
+        { code: "var [,i,a] = arr;", parserOptions: { ecmaVersion: 6 }, errors: [tooShortError, tooShortError] },
+        { code: "function foo([a]) {}", parserOptions: { ecmaVersion: 6 }, errors: [tooShortError] },
+        {
+            code: "var _$xt_$ = Foo(42)",
+            options: [{ min: 2, max: 4 }],
+            errors: [
+                tooLongError
+            ]
+        },
+        {
+            code: "var _$x$_t$ = Foo(42)",
+            options: [{ min: 2, max: 4 }],
+            errors: [
+                tooLongError
+            ]
+        },
+        {
+            code: "(a) => { a * a };",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo(x = 0) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "class x { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "class Foo { x() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo(...x) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo({x}) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo({x: a}) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "a", min: 2 },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({x: a, longName}) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo({ longName: a }) {}",
+            options: [{ min: 3, max: 5 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "function foo({ prop: longName }) {};",
+            options: [{ min: 3, max: 5 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooLongError
+            ]
+        },
+        {
+            code: "function foo({ a: b }) {};",
+            options: [{ exceptions: ["a"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "b", min: 2 },
+                    line: 1,
+                    column: 19,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ a: { b: { c: d, e } } }) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "d", min: 2 },
+                    line: 1,
+                    column: 29,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "tooShort",
+                    data: { name: "e", min: 2 },
+                    line: 1,
+                    column: 32,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { x} = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { x: a} = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "a", min: 2 },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a: a} = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { prop: a } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { longName: a } = {};",
+            options: [{ min: 3, max: 5 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { prop: [x] } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { prop: [[x]] } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "var { prop: longName } = {};",
+            options: [{ min: 3, max: 5 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooLong",
+                    data: { name: "longName", max: 5 },
+                    line: 1,
+                    column: 13,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { x: a} = {};",
+            options: [{ exceptions: ["x"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "a", min: 2 },
+                    line: 1,
+                    column: 10,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a: { b: { c: d } } } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "d", min: 2 },
+                    line: 1,
+                    column: 20,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a: { b: { c: d, e } } } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "d", min: 2 },
+                    line: 1,
+                    column: 20,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "tooShort",
+                    data: { name: "e", min: 2 },
+                    line: 1,
+                    column: 23,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a: { b: { c, e: longName } } } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "c", min: 2 },
+                    line: 1,
+                    column: 17,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a: { b: { c: d, e: longName } } } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "d", min: 2 },
+                    line: 1,
+                    column: 20,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { a, b: { c: d, e: longName } } = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "a", min: 2 },
+                    line: 1,
+                    column: 7,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "tooShort",
+                    data: { name: "d", min: 2 },
+                    line: 1,
+                    column: 18,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import x from 'y';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "export var x = 0;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                tooShortError
+            ]
+        },
+        {
+            code: "({ a: obj.x.y.z } = {});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "z", min: 2 },
+                    line: 1,
+                    column: 15,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "({ prop: obj.x } = {});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "x", min: 2 },
+                    line: 1,
+                    column: 14,
+                    type: "Identifier"
+                }
+            ]
+        },
+        { code: "var x = 1;", options: [{ properties: "never" }], errors: [tooShortError] },
+        {
+            code: "var {prop: x} = foo;",
+            options: [{ properties: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "tooShort",
+                    data: { name: "x", min: 2 },
+                    line: 1,
+                    column: 12,
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var foo = {x: prop};",
+            options: [{ properties: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                tooShortError
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/id-match.js b/eslint/tests/lib/rules/id-match.js
new file mode 100644
index 0000000..77aee18
--- /dev/null
+++ b/eslint/tests/lib/rules/id-match.js
@@ -0,0 +1,604 @@
+/**
+ * @fileoverview Rule to flag non-matching identifiers
+ * @author Matthieu Larcher
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/id-match"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const error = { messageId: "notMatch", type: "Identifier" };
+
+ruleTester.run("id-match", rule, {
+    valid: [
+        {
+            code: "__foo = \"Matthieu\"",
+            options: [
+                "^[a-z]+$",
+                {
+                    onlyDeclarations: true
+                }
+            ]
+        },
+        {
+            code: "firstname = \"Matthieu\"",
+            options: ["^[a-z]+$"]
+        },
+        {
+            code: "first_name = \"Matthieu\"",
+            options: ["[a-z]+"]
+        },
+        {
+            code: "firstname = \"Matthieu\"",
+            options: ["^f"]
+        },
+        {
+            code: "last_Name = \"Larcher\"",
+            options: ["^[a-z]+(_[A-Z][a-z]+)*$"]
+        },
+        {
+            code: "param = \"none\"",
+            options: ["^[a-z]+(_[A-Z][a-z])*$"]
+        },
+        {
+            code: "function noUnder(){}",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "no_under()",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "foo.no_under2()",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var foo = bar.no_under3;",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var foo = bar.no_under4.something;",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "foo.no_under5.qux = bar.no_under6.something;",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "if (bar.no_under7) {}",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var obj = { key: foo.no_under8 };",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var arr = [foo.no_under9];",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "[foo.no_under10]",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var arr = [foo.no_under11.qux];",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "[foo.no_under12.nesting]",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "if (foo.no_under13 === boom.no_under14) { [foo.no_under15] }",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var myArray = new Array(); var myDate = new Date();",
+            options: ["^[a-z$]+([A-Z][a-z]+)*$"]
+        },
+        {
+            code: "var x = obj._foo;",
+            options: ["^[^_]+$"]
+        },
+        {
+            code: "var obj = {key: no_under}",
+            options: ["^[^_]+$", {
+                properties: true,
+                onlyDeclarations: true
+            }]
+        },
+        {
+            code: "var {key_no_under: key} = {}",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id } = query;",
+            options: ["^[^_]+$", {
+                properties: true,
+                ignoreDestructuring: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id: category_id } = query;",
+            options: ["^[^_]+$", {
+                properties: true,
+                ignoreDestructuring: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var { category_id = 1 } = query;",
+            options: ["^[^_]+$", {
+                properties: true,
+                ignoreDestructuring: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var o = {key: 1}",
+            options: ["^[^_]+$", {
+                properties: true
+            }]
+        },
+        {
+            code: "var o = {no_under16: 1}",
+            options: ["^[^_]+$", {
+                properties: false
+            }]
+        },
+        {
+            code: "obj.no_under17 = 2;",
+            options: ["^[^_]+$", {
+                properties: false
+            }]
+        },
+        {
+            code: "var obj = {\n no_under18: 1 \n};\n obj.no_under19 = 2;",
+            options: ["^[^_]+$", {
+                properties: false
+            }]
+        },
+        {
+            code: "obj.no_under20 = function(){};",
+            options: ["^[^_]+$", {
+                properties: false
+            }]
+        },
+        {
+            code: "var x = obj._foo2;",
+            options: ["^[^_]+$", {
+                properties: false
+            }]
+        }
+    ],
+    invalid: [
+        {
+            code: "var __foo = \"Matthieu\"",
+            options: [
+                "^[a-z]+$",
+                {
+                    onlyDeclarations: true
+                }
+            ],
+            errors: [error]
+        },
+        {
+            code: "first_name = \"Matthieu\"",
+            options: ["^[a-z]+$"],
+            errors: [error]
+        },
+        {
+            code: "first_name = \"Matthieu\"",
+            options: ["^z"],
+            errors: [
+                error
+            ]
+        },
+        {
+            code: "Last_Name = \"Larcher\"",
+            options: ["^[a-z]+(_[A-Z][a-z])*$"],
+            errors: [error
+            ]
+        },
+        {
+            code: "var obj = {key: no_under}",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [
+                {
+                    message: "Identifier 'no_under' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function no_under21(){}",
+            options: ["^[^_]+$"],
+            errors: [error
+            ]
+        },
+        {
+            code: "obj.no_under22 = function(){};",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "no_under23.foo = function(){};",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "[no_under24.baz]",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "if (foo.bar_baz === boom.bam_pow) { [no_under25.baz] }",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "foo.no_under26 = boom.bam_pow",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "var foo = { no_under27: boom.bam_pow }",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "foo.qux.no_under28 = { bar: boom.bam_pow }",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "var o = {no_under29: 1}",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [error
+            ]
+        },
+        {
+            code: "obj.no_under30 = 2;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            errors: [
+                {
+                    messageId: "notMatch",
+                    data: { name: "no_under30", pattern: "^[^_]+$" }
+                }
+            ]
+        },
+        {
+            code: "var { category_id: category_alias } = query;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'category_alias' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: category_alias } = query;",
+            options: ["^[^_]+$", {
+                properties: true,
+                ignoreDestructuring: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'category_alias' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id: categoryId, ...other_props } = query;",
+            options: ["^[^_]+$", {
+                properties: true,
+                ignoreDestructuring: true
+            }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    message: "Identifier 'other_props' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id } = query;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'category_id' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { category_id = 1 } = query;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'category_id' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import no_camelcased from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import * as no_camelcased from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased } from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased as no_camel_cased } from \"external module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camel_cased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { camelCased as no_camel_cased } from \"external module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camel_cased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { camelCased, no_camelcased } from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import { no_camelcased as camelCased, another_no_camelcased } from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'another_no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import camelCased, { no_camelcased } from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "import no_camelcased, { another_no_camelcased as camelCased } from \"external-module\";",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ no_camelcased }) {};",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ no_camelcased = 'default value' }) {};",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const no_camelcased = 0; function foo({ camelcased_value = no_camelcased }) {}",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                },
+                {
+                    message: "Identifier 'camelcased_value' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const { bar: no_camelcased } = foo;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ value_1: my_default }) {}",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'my_default' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "function foo({ isCamelcased: no_camelcased }) {};",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var { foo: bar_baz = 1 } = quz;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'bar_baz' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "const { no_camelcased = false } = bar;",
+            options: ["^[^_]+$", {
+                properties: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    message: "Identifier 'no_camelcased' does not match the pattern '^[^_]+$'.",
+                    type: "Identifier"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/implicit-arrow-linebreak.js b/eslint/tests/lib/rules/implicit-arrow-linebreak.js
new file mode 100644
index 0000000..089424e
--- /dev/null
+++ b/eslint/tests/lib/rules/implicit-arrow-linebreak.js
@@ -0,0 +1,524 @@
+/**
+ * @fileoverview enforce the location of arrow function bodies
+ * @author Sharmila Jesupaul
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/implicit-arrow-linebreak");
+const { RuleTester } = require("../../../lib/rule-tester");
+const { unIndent } = require("../_utils");
+
+const EXPECTED_LINEBREAK = { messageId: "expected" };
+const UNEXPECTED_LINEBREAK = { messageId: "unexpected" };
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("implicit-arrow-linebreak", rule, {
+
+    valid: [
+
+        // always valid
+        `(foo) => {
+            bar
+        }`,
+
+        // 'beside' option
+        "() => bar;",
+        "() => (bar);",
+        "() => bar => baz;",
+        "() => ((((bar))));",
+        `(foo) => (
+            bar
+        )`,
+        "(foo) => bar();",
+        `
+        //comment
+        foo => bar;
+        `,
+        `
+        foo => (
+            // comment
+            bar => (
+                // another comment
+                baz
+            )
+        )
+        `,
+        `
+        foo => (
+            // comment
+            bar => baz
+        )
+        `,
+        `
+        /* text */
+        () => bar;
+        `,
+        `
+        /* foo */
+        const bar = () => baz;
+        `,
+        `
+        (foo) => (
+                //comment
+                    bar
+                )
+        `,
+        `
+          [ // comment
+            foo => 'bar'
+          ]
+        `,
+        `
+         /*
+         One two three four
+         Five six seven nine.
+         */
+         (foo) => bar
+        `,
+        `
+        const foo = {
+          id: 'bar',
+          // comment
+          prop: (foo1) => 'returning this string',
+        }
+        `,
+        `
+        // comment
+         "foo".split('').map((char) => char
+         )
+        `,
+        {
+            code: `
+            async foo => () => bar;
+            `,
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: `
+            // comment
+            async foo => 'string'
+            `,
+            parserOptions: { ecmaVersion: 8 }
+        },
+
+        // 'below' option
+        {
+            code: `
+                (foo) =>
+                    (
+                        bar
+                    )
+            `,
+            options: ["below"]
+        }, {
+            code: `
+                () =>
+                    ((((bar))));
+            `,
+            options: ["below"]
+        }, {
+            code: `
+                () =>
+                    bar();
+            `,
+            options: ["below"]
+        }, {
+            code: `
+                () =>
+                    (bar);
+            `,
+            options: ["below"]
+        }, {
+            code: `
+                () =>
+                    bar =>
+                        baz;
+            `,
+            options: ["below"]
+        }
+    ],
+
+    invalid: [
+
+        // 'beside' option
+        {
+            code: `
+                (foo) =>
+                    bar();
+            `,
+            output: `
+                (foo) => bar();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                () =>
+                    (bar);
+            `,
+            output: `
+                () => (bar);
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                () =>
+                    bar =>
+                        baz;
+            `,
+            output: `
+                () => bar => baz;
+            `,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                () =>
+                    ((((bar))));
+            `,
+            output: `
+                () => ((((bar))));
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                (foo) =>
+                    (
+                        bar
+                    )
+            `,
+            output: `
+                (foo) => (
+                        bar
+                    )
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                (foo) =>
+                  // test comment
+                  bar
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                const foo = () =>
+                // comment
+                []
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                (foo) =>
+                    (
+                    //comment
+                        bar
+                    )
+            `,
+            output: `
+                (foo) => (
+                    //comment
+                        bar
+                    )
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: `
+                (foo) =>
+                    (
+                        bar
+                    //comment
+                    )
+
+            `,
+            output: `
+                (foo) => (
+                        bar
+                    //comment
+                    )
+
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+
+        }, {
+            code: unIndent`
+                (foo) =>
+                 // comment
+                 // another comment
+                    bar`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                (foo) =>
+                // comment
+                (
+                // another comment
+                bar
+                )`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: "() => // comment \n bar",
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: "(foo) => //comment \n bar",
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                (foo) =>
+                  /* test comment */
+                  bar
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                (foo) =>
+                  // hi
+                     bar =>
+                       // there
+                         baz;`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                (foo) =>
+                  // hi
+                     bar => (
+                       // there
+                         baz
+                     )
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                const foo = {
+                  id: 'bar',
+                  prop: (foo1) =>
+                    // comment
+                    'returning this string',
+                }
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                [ foo =>
+                  // comment
+                  'bar'
+                ]
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                "foo".split('').map((char) =>
+                // comment
+                char
+                )
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                new Promise((resolve, reject) =>
+                    // comment
+                    resolve()
+                )
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                () =>
+                /*
+                succinct
+                explanation
+                of code
+                */
+                bar
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                stepOne =>
+                    /*
+                    here is
+                    what is
+                    happening
+                    */
+                    stepTwo =>
+                        // then this happens
+                        stepThree`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                () =>
+                    /*
+                    multi
+                    line
+                    */
+                    bar =>
+                        /*
+                        many
+                        lines
+                        */
+                        baz
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                foo('', boo =>
+                  // comment
+                  bar
+                )
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                async foo =>
+                    // comment
+                    'string'
+            `,
+            output: null,
+            parserOptions: { ecmaVersion: 8 },
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                async foo =>
+                    // comment
+                    // another
+                    bar;
+            `,
+            output: null,
+            parserOptions: { ecmaVersion: 8 },
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                async (foo) =>
+                    // comment
+                    'string'
+            `,
+            output: null,
+            parserOptions: { ecmaVersion: 8 },
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                const foo = 1,
+                  bar = 2,
+                  baz = () => // comment
+                    qux
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                const foo = () =>
+                  //comment
+                  qux,
+                  bar = 2,
+                  baz = 3
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                const foo = () =>
+                    //two
+                    1,
+                    boo = () =>
+                    //comment
+                    2,
+                    bop = "what"
+            `,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+                start()
+                    .then(() =>
+                        /* If I put a comment here, eslint --fix breaks badly */
+                        process && typeof process.send === 'function' && process.send('ready')
+                    )
+                    .catch(err => {
+                    /* catch seems to be needed here */
+                    console.log('Error: ', err)
+                    })`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+            hello(response =>
+                // comment
+                response, param => param)`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        }, {
+            code: unIndent`
+            start(
+                arr =>
+                    // cometh
+                    bod => {
+                        // soon
+                        yyyy
+                    }
+            )`,
+            output: null,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+
+        // 'below' option
+        {
+            code: "(foo) => bar();",
+            output: "(foo) => \nbar();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        }, {
+            code: "(foo) => bar => baz;",
+            output: "(foo) => \nbar => \nbaz;",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK, EXPECTED_LINEBREAK]
+        }, {
+            code: "(foo) => (bar);",
+            output: "(foo) => \n(bar);",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        }, {
+            code: "(foo) => (((bar)));",
+            output: "(foo) => \n(((bar)));",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        }, {
+            code: `
+                (foo) => (
+                    bar
+                )
+            `,
+            output: `
+                (foo) => \n(
+                    bar
+                )
+            `,
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/indent-legacy.js b/eslint/tests/lib/rules/indent-legacy.js
new file mode 100644
index 0000000..e3295e1
--- /dev/null
+++ b/eslint/tests/lib/rules/indent-legacy.js
@@ -0,0 +1,3876 @@
+/**
+ * @fileoverview This option sets a specific tab width for your code
+ * @author Dmitriy Shekhovtsov
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/indent-legacy"),
+    { RuleTester } = require("../../../lib/rule-tester");
+const fs = require("fs");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const fixture = fs.readFileSync(path.join(__dirname, "../../fixtures/rules/indent-legacy/indent-invalid-fixture-1.js"), "utf8");
+const fixedFixture = fs.readFileSync(path.join(__dirname, "../../fixtures/rules/indent-legacy/indent-valid-fixture-1.js"), "utf8");
+
+/**
+ * Create error message object for failure cases with a single 'found' indentation type
+ * @param {string} providedIndentType indent type of string or tab
+ * @param {Array} providedErrors error info
+ * @returns {Object} returns the error messages collection
+ * @private
+ */
+function expectedErrors(providedIndentType, providedErrors) {
+    let indentType;
+    let errors;
+
+    if (Array.isArray(providedIndentType)) {
+        errors = Array.isArray(providedIndentType[0]) ? providedIndentType : [providedIndentType];
+        indentType = "space";
+    } else {
+        errors = Array.isArray(providedErrors[0]) ? providedErrors : [providedErrors];
+        indentType = providedIndentType;
+    }
+
+    return errors.map(err => ({
+        messageId: "expected",
+        data: {
+            expected: typeof err[1] === "string" && typeof err[2] === "string"
+                ? err[1]
+                : `${err[1]} ${indentType}${err[1] === 1 ? "" : "s"}`,
+            actual: err[2]
+        },
+        type: err[3],
+        line: err[0]
+    }));
+}
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("indent-legacy", rule, {
+    valid: [
+        {
+            code:
+            "bridge.callHandler(\n" +
+            "  'getAppVersion', 'test23', function(responseData) {\n" +
+            "    window.ah.mobileAppVersion = responseData;\n" +
+            "  }\n" +
+            ");\n",
+            options: [2]
+        },
+        {
+            code:
+            "var a = [\n" +
+            "  , /*{\n" +
+            "  }, */{\n" +
+            "    name: 'foo',\n" +
+            "  }\n" +
+            "];\n",
+            options: [2]
+        },
+        {
+            code:
+            "bridge.callHandler(\n" +
+            "  'getAppVersion', 'test23', function(responseData) {\n" +
+            "    window.ah.mobileAppVersion = responseData;\n" +
+            "  });\n",
+            options: [2]
+        },
+        {
+            code:
+            "bridge.callHandler(\n" +
+            "  'getAppVersion',\n" +
+            "  null,\n" +
+            "  function responseCallback(responseData) {\n" +
+            "    window.ah.mobileAppVersion = responseData;\n" +
+            "  }\n" +
+            ");\n",
+            options: [2]
+        },
+        {
+            code:
+            "bridge.callHandler(\n" +
+            "  'getAppVersion',\n" +
+            "  null,\n" +
+            "  function responseCallback(responseData) {\n" +
+            "    window.ah.mobileAppVersion = responseData;\n" +
+            "  });\n",
+            options: [2]
+        },
+        {
+            code:
+            "function doStuff(keys) {\n" +
+            "    _.forEach(\n" +
+            "        keys,\n" +
+            "        key => {\n" +
+            "            doSomething(key);\n" +
+            "        }\n" +
+            "   );\n" +
+            "}\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "example(\n" +
+            "    function () {\n" +
+            "        console.log('example');\n" +
+            "    }\n" +
+            ");\n",
+            options: [4]
+        },
+        {
+            code:
+            "let foo = somethingList\n" +
+            "    .filter(x => {\n" +
+            "        return x;\n" +
+            "    })\n" +
+            "    .map(x => {\n" +
+            "        return 100 * x;\n" +
+            "    });\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var x = 0 &&\n" +
+            "    {\n" +
+            "        a: 1,\n" +
+            "        b: 2\n" +
+            "    };",
+            options: [4]
+        },
+        {
+            code:
+            "var x = 0 &&\n" +
+            "\t{\n" +
+            "\t\ta: 1,\n" +
+            "\t\tb: 2\n" +
+            "\t};",
+            options: ["tab"]
+        },
+        {
+            code:
+            "var x = 0 &&\n" +
+            "    {\n" +
+            "        a: 1,\n" +
+            "        b: 2\n" +
+            "    }||\n" +
+            "    {\n" +
+            "        c: 3,\n" +
+            "        d: 4\n" +
+            "    };",
+            options: [4]
+        },
+        {
+            code:
+            "var x = [\n" +
+            "    'a',\n" +
+            "    'b',\n" +
+            "    'c'\n" +
+            "];",
+            options: [4]
+        },
+        {
+            code:
+            "var x = ['a',\n" +
+            "    'b',\n" +
+            "    'c',\n" +
+            "];",
+            options: [4]
+        },
+        {
+            code:
+            "var x = 0 && 1;",
+            options: [4]
+        },
+        {
+            code:
+            "var x = 0 && { a: 1, b: 2 };",
+            options: [4]
+        },
+        {
+            code:
+            "var x = 0 &&\n" +
+            "    (\n" +
+            "        1\n" +
+            "    );",
+            options: [4]
+        },
+        {
+            code:
+            "require('http').request({hostname: 'localhost',\n" +
+            "  port: 80}, function(res) {\n" +
+            "  res.end();\n" +
+            "});\n",
+            options: [2]
+        },
+        {
+            code:
+            "function test() {\n" +
+            "  return client.signUp(email, PASSWORD, { preVerified: true })\n" +
+            "    .then(function (result) {\n" +
+            "      // hi\n" +
+            "    })\n" +
+            "    .then(function () {\n" +
+            "      return FunctionalHelpers.clearBrowserState(self, {\n" +
+            "        contentServer: true,\n" +
+            "        contentServer1: true\n" +
+            "      });\n" +
+            "    });\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "it('should... some lengthy test description that is forced to be' +\n" +
+            "  'wrapped into two lines since the line length limit is set', () => {\n" +
+            "  expect(true).toBe(true);\n" +
+            "});\n",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "function test() {\n" +
+            "    return client.signUp(email, PASSWORD, { preVerified: true })\n" +
+            "        .then(function (result) {\n" +
+            "            var x = 1;\n" +
+            "            var y = 1;\n" +
+            "        }, function(err){\n" +
+            "            var o = 1 - 2;\n" +
+            "            var y = 1 - 2;\n" +
+            "            return true;\n" +
+            "        })\n" +
+            "}",
+            options: [4]
+        },
+        {
+            code:
+            "function test() {\n" +
+            "    return client.signUp(email, PASSWORD, { preVerified: true })\n" +
+            "    .then(function (result) {\n" +
+            "        var x = 1;\n" +
+            "        var y = 1;\n" +
+            "    }, function(err){\n" +
+            "        var o = 1 - 2;\n" +
+            "        var y = 1 - 2;\n" +
+            "        return true;\n" +
+            "    });\n" +
+            "}",
+            options: [4, { MemberExpression: 0 }]
+        },
+
+        {
+            code:
+            "// hi",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var Command = function() {\n" +
+            "  var fileList = [],\n" +
+            "      files = []\n" +
+            "\n" +
+            "  files.concat(fileList)\n" +
+            "};\n",
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }]
+        },
+        {
+            code:
+                "  ",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "if(data) {\n" +
+            "  console.log('hi');\n" +
+            "  b = true;};",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "foo = () => {\n" +
+            "  console.log('hi');\n" +
+            "  return true;};",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "function test(data) {\n" +
+            "  console.log('hi');\n" +
+            "  return true;};",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var test = function(data) {\n" +
+            "  console.log('hi');\n" +
+            "};",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "arr.forEach(function(data) {\n" +
+            "  otherdata.forEach(function(zero) {\n" +
+            "    console.log('hi');\n" +
+            "  }) });",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "a = [\n" +
+            "    ,3\n" +
+            "]",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "[\n" +
+            "  ['gzip', 'gunzip'],\n" +
+            "  ['gzip', 'unzip'],\n" +
+            "  ['deflate', 'inflate'],\n" +
+            "  ['deflateRaw', 'inflateRaw'],\n" +
+            "].forEach(function(method) {\n" +
+            "  console.log(method);\n" +
+            "});\n",
+            options: [2, { SwitchCase: 1, VariableDeclarator: 2 }]
+        },
+        {
+            code:
+            "test(123, {\n" +
+            "    bye: {\n" +
+            "        hi: [1,\n" +
+            "            {\n" +
+            "                b: 2\n" +
+            "            }\n" +
+            "        ]\n" +
+            "    }\n" +
+            "});",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var xyz = 2,\n" +
+            "    lmn = [\n" +
+            "        {\n" +
+            "            a: 1\n" +
+            "        }\n" +
+            "    ];",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "lmn = [{\n" +
+            "    a: 1\n" +
+            "},\n" +
+            "{\n" +
+            "    b: 2\n" +
+            "}," +
+            "{\n" +
+            "    x: 2\n" +
+            "}];",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "abc({\n" +
+            "    test: [\n" +
+            "        [\n" +
+            "            c,\n" +
+            "            xyz,\n" +
+            "            2\n" +
+            "        ].join(',')\n" +
+            "    ]\n" +
+            "});",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "abc = {\n" +
+            "  test: [\n" +
+            "    [\n" +
+            "      c,\n" +
+            "      xyz,\n" +
+            "      2\n" +
+            "    ]\n" +
+            "  ]\n" +
+            "};",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "abc(\n" +
+            "  {\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "  }\n" +
+            ");",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "abc({\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "});",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var abc = \n" +
+            "  [\n" +
+            "    c,\n" +
+            "    xyz,\n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    }\n" +
+            "  ];",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var abc = [\n" +
+            "  c,\n" +
+            "  xyz,\n" +
+            "  {\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "  }\n" +
+            "];",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var abc = 5,\n" +
+            "    c = 2,\n" +
+            "    xyz = \n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var abc = \n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var a = new abc({\n" +
+            "        a: 1,\n" +
+            "        b: 2\n" +
+            "    }),\n" +
+            "    b = 2;",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var a = 2,\n" +
+            "  c = {\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "  },\n" +
+            "  b = 2;",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var x = 2,\n" +
+            "    y = {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    },\n" +
+            "    b = 2;",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var e = {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    },\n" +
+            "    b = 2;",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var a = {\n" +
+            "  a: 1,\n" +
+            "  b: 2\n" +
+            "};",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "function test() {\n" +
+            "  if (true ||\n " +
+            "            false){\n" +
+            "    console.log(val);\n" +
+            "  }\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "for (var val in obj)\n" +
+            "  if (true)\n" +
+            "    console.log(val);",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "if(true)\n" +
+            "  if (true)\n" +
+            "    if (true)\n" +
+            "      console.log(val);",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "function hi(){     var a = 1;\n" +
+            "  y++;                   x++;\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "for(;length > index; index++)if(NO_HOLES || index in self){\n" +
+            "  x++;\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "function test(){\n" +
+            "  switch(length){\n" +
+            "    case 1: return function(a){\n" +
+            "      return fn.call(that, a);\n" +
+            "    };\n" +
+            "  }\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var geometry = 2,\n" +
+            "rotate = 2;",
+            options: [2, { VariableDeclarator: 0 }]
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "    rotate;",
+            options: [4, { VariableDeclarator: 1 }]
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "\trotate;",
+            options: ["tab", { VariableDeclarator: 1 }]
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "  rotate;",
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "    rotate;",
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code:
+            "let geometry,\n" +
+            "    rotate;",
+            options: [2, { VariableDeclarator: 2 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const geometry = 2,\n" +
+            "    rotate = 3;",
+            options: [2, { VariableDeclarator: 2 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,\n" +
+            "  height, rotate;",
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth;",
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code:
+            "if (1 < 2){\n" +
+            "//hi sd \n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "while (1 < 2){\n" +
+            "  //hi sd \n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "while (1 < 2) console.log('hi');",
+            options: [2]
+        },
+
+        {
+            code:
+            "[a, b,\n" +
+            "    c].forEach((index) => {\n" +
+            "        index;\n" +
+            "    });\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "[a, b, c].forEach((index) => {\n" +
+            "    index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "[a, b, c].forEach(function(index){\n" +
+            "    return index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "switch (x) {\n" +
+            "    case \"foo\":\n" +
+            "        a();\n" +
+            "        break;\n" +
+            "    case \"bar\":\n" +
+            "        switch (y) {\n" +
+            "            case \"1\":\n" +
+            "                break;\n" +
+            "            case \"2\":\n" +
+            "                a = 6;\n" +
+            "                break;\n" +
+            "        }\n" +
+            "    case \"test\":\n" +
+            "        break;\n" +
+            "}",
+            options: [4, { SwitchCase: 1 }]
+        },
+        {
+            code:
+            "switch (x) {\n" +
+            "        case \"foo\":\n" +
+            "            a();\n" +
+            "            break;\n" +
+            "        case \"bar\":\n" +
+            "            switch (y) {\n" +
+            "                    case \"1\":\n" +
+            "                        break;\n" +
+            "                    case \"2\":\n" +
+            "                        a = 6;\n" +
+            "                        break;\n" +
+            "            }\n" +
+            "        case \"test\":\n" +
+            "            break;\n" +
+            "}",
+            options: [4, { SwitchCase: 2 }]
+        },
+        "switch (a) {\n" +
+            "case \"foo\":\n" +
+            "    a();\n" +
+            "    break;\n" +
+            "case \"bar\":\n" +
+            "    switch(x){\n" +
+            "    case '1':\n" +
+            "        break;\n" +
+            "    case '2':\n" +
+            "        a = 6;\n" +
+            "        break;\n" +
+            "    }\n" +
+            "}",
+        "switch (a) {\n" +
+            "case \"foo\":\n" +
+            "    a();\n" +
+            "    break;\n" +
+            "case \"bar\":\n" +
+            "    if(x){\n" +
+            "        a = 2;\n" +
+            "    }\n" +
+            "    else{\n" +
+            "        a = 6;\n" +
+            "    }\n" +
+            "}",
+        "switch (a) {\n" +
+            "case \"foo\":\n" +
+            "    a();\n" +
+            "    break;\n" +
+            "case \"bar\":\n" +
+            "    if(x){\n" +
+            "        a = 2;\n" +
+            "    }\n" +
+            "    else\n" +
+            "        a = 6;\n" +
+            "}",
+        "switch (a) {\n" +
+            "case \"foo\":\n" +
+            "    a();\n" +
+            "    break;\n" +
+            "case \"bar\":\n" +
+            "    a(); break;\n" +
+            "case \"baz\":\n" +
+            "    a(); break;\n" +
+            "}",
+        "switch (0) {\n}",
+        "function foo() {\n" +
+            "    var a = \"a\";\n" +
+            "    switch(a) {\n" +
+            "    case \"a\":\n" +
+            "        return \"A\";\n" +
+            "    case \"b\":\n" +
+            "        return \"B\";\n" +
+            "    }\n" +
+            "}\n" +
+            "foo();",
+        {
+            code:
+            "switch(value){\n" +
+            "    case \"1\":\n" +
+            "    case \"2\":\n" +
+            "        a();\n" +
+            "        break;\n" +
+            "    default:\n" +
+            "        a();\n" +
+            "        break;\n" +
+            "}\n" +
+            "switch(value){\n" +
+            "    case \"1\":\n" +
+            "        a();\n" +
+            "        break;\n" +
+            "    case \"2\":\n" +
+            "        break;\n" +
+            "    default:\n" +
+            "        break;\n" +
+            "}",
+            options: [4, { SwitchCase: 1 }]
+        },
+        "var obj = {foo: 1, bar: 2};\n" +
+                "with (obj) {\n" +
+                "    console.log(foo + bar);\n" +
+                "}\n",
+        "if (a) {\n" +
+                "    (1 + 2 + 3);\n" + // no error on this line
+                "}",
+        "switch(value){ default: a(); break; }\n",
+        {
+            code: "import {addons} from 'react/addons'\nimport React from 'react'",
+            options: [2],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code:
+            "var a = 1,\n" +
+            "    b = 2,\n" +
+            "    c = 3;\n",
+            options: [4]
+        },
+        {
+            code:
+            "var a = 1\n" +
+            "   ,b = 2\n" +
+            "   ,c = 3;\n",
+            options: [4]
+        },
+        {
+            code: "while (1 < 2) console.log('hi')\n",
+            options: [2]
+        },
+        {
+            code:
+                "function salutation () {\n" +
+                "  switch (1) {\n" +
+                "    case 0: return console.log('hi')\n" +
+                "    case 1: return console.log('hey')\n" +
+                "  }\n" +
+                "}\n",
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code:
+                "var items = [\n" +
+                "  {\n" +
+                "    foo: 'bar'\n" +
+                "  }\n" +
+                "];\n",
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code:
+                "const a = 1,\n" +
+                "      b = 2;\n" +
+                "const items1 = [\n" +
+                "  {\n" +
+                "    foo: 'bar'\n" +
+                "  }\n" +
+                "];\n" +
+                "const items2 = Items(\n" +
+                "  {\n" +
+                "    foo: 'bar'\n" +
+                "  }\n" +
+                ");\n",
+            options: [2, { VariableDeclarator: 3 }],
+            parserOptions: { ecmaVersion: 6 }
+
+        },
+        {
+            code:
+                "const geometry = 2,\n" +
+                "      rotate = 3;\n" +
+                "var a = 1,\n" +
+                "  b = 2;\n" +
+                "let light = true,\n" +
+                "    shadow = false;",
+            options: [2, { VariableDeclarator: { const: 3, let: 2 } }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const abc = 5,\n" +
+            "      c = 2,\n" +
+            "      xyz = \n" +
+            "      {\n" +
+            "        a: 1,\n" +
+            "        b: 2\n" +
+            "      };\n" +
+            "let abc2 = 5,\n" +
+            "  c2 = 2,\n" +
+            "  xyz2 = \n" +
+            "  {\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "  };\n" +
+            "var abc3 = 5,\n" +
+            "    c3 = 2,\n" +
+            "    xyz3 = \n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    };\n",
+            options: [2, { VariableDeclarator: { var: 2, const: 3 }, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+                "module.exports =\n" +
+                "{\n" +
+                "  'Unit tests':\n" +
+                "  {\n" +
+                "    rootPath: './',\n" +
+                "    environment: 'node',\n" +
+                "    tests:\n" +
+                "    [\n" +
+                "      'test/test-*.js'\n" +
+                "    ],\n" +
+                "    sources:\n" +
+                "    [\n" +
+                "      '*.js',\n" +
+                "      'test/**.js'\n" +
+                "    ]\n" +
+                "  }\n" +
+                "};",
+            options: [2]
+        },
+        {
+            code:
+                "var path     = require('path')\n" +
+                "  , crypto    = require('crypto')\n" +
+                "  ;\n",
+            options: [2]
+        },
+        "var a = 1\n" +
+                "   ,b = 2\n" +
+                "   ;",
+        {
+            code:
+                "export function create (some,\n" +
+                "                        argument) {\n" +
+                "  return Object.create({\n" +
+                "    a: some,\n" +
+                "    b: argument\n" +
+                "  });\n" +
+                "};",
+            options: [2],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code:
+                "export function create (id, xfilter, rawType,\n" +
+                "                        width=defaultWidth, height=defaultHeight,\n" +
+                "                        footerHeight=defaultFooterHeight,\n" +
+                "                        padding=defaultPadding) {\n" +
+                "  // ... function body, indented two spaces\n" +
+                "}\n",
+            options: [2],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code:
+                "var obj = {\n" +
+                "  foo: function () {\n" +
+                "    return new p()\n" +
+                "      .then(function (ok) {\n" +
+                "        return ok;\n" +
+                "      }, function () {\n" +
+                "        // ignore things\n" +
+                "      });\n" +
+                "  }\n" +
+                "};\n",
+            options: [2]
+        },
+        {
+            code:
+                "a.b()\n" +
+                "  .c(function(){\n" +
+                "    var a;\n" +
+                "  }).d.e;\n",
+            options: [2]
+        },
+        {
+            code:
+                "const YO = 'bah',\n" +
+                "      TE = 'mah'\n" +
+                "\n" +
+                "var res,\n" +
+                "    a = 5,\n" +
+                "    b = 4\n",
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+                "const YO = 'bah',\n" +
+                "      TE = 'mah'\n" +
+                "\n" +
+                "var res,\n" +
+                "    a = 5,\n" +
+                "    b = 4\n" +
+                "\n" +
+                "if (YO) console.log(TE)",
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+                "var foo = 'foo',\n" +
+                "  bar = 'bar',\n" +
+                "  baz = function() {\n" +
+                "      \n" +
+                "  }\n" +
+                "\n" +
+                "function hello () {\n" +
+                "    \n" +
+                "}\n",
+            options: [2]
+        },
+        {
+            code:
+                "var obj = {\n" +
+                "  send: function () {\n" +
+                "    return P.resolve({\n" +
+                "      type: 'POST'\n" +
+                "    })\n" +
+                "      .then(function () {\n" +
+                "        return true;\n" +
+                "      }, function () {\n" +
+                "        return false;\n" +
+                "      });\n" +
+                "  }\n" +
+                "};\n",
+            options: [2]
+        },
+        {
+            code:
+                "var obj = {\n" +
+                "  send: function () {\n" +
+                "    return P.resolve({\n" +
+                "      type: 'POST'\n" +
+                "    })\n" +
+                "    .then(function () {\n" +
+                "      return true;\n" +
+                "    }, function () {\n" +
+                "      return false;\n" +
+                "    });\n" +
+                "  }\n" +
+                "};\n",
+            options: [2, { MemberExpression: 0 }]
+        },
+        {
+            code:
+                "const someOtherFunction = argument => {\n" +
+                "        console.log(argument);\n" +
+                "    },\n" +
+                "    someOtherValue = 'someOtherValue';\n",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "[\n" +
+            "  'a',\n" +
+            "  'b'\n" +
+            "].sort().should.deepEqual([\n" +
+            "  'x',\n" +
+            "  'y'\n" +
+            "]);\n",
+            options: [2]
+        },
+        {
+            code:
+            "var a = 1,\n" +
+            "    B = class {\n" +
+            "      constructor(){}\n" +
+            "      a(){}\n" +
+            "      get b(){}\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var a = 1,\n" +
+            "    B = \n" +
+            "    class {\n" +
+            "      constructor(){}\n" +
+            "      a(){}\n" +
+            "      get b(){}\n" +
+            "    },\n" +
+            "    c = 3;",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "class A{\n" +
+            "    constructor(){}\n" +
+            "    a(){}\n" +
+            "    get b(){}\n" +
+            "}",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var A = class {\n" +
+            "    constructor(){}\n" +
+            "    a(){}\n" +
+            "    get b(){}\n" +
+            "}",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var a = {\n" +
+            "  some: 1\n" +
+            ", name: 2\n" +
+            "};\n",
+            options: [2]
+        },
+        {
+            code:
+            "a.c = {\n" +
+            "    aa: function() {\n" +
+            "        'test1';\n" +
+            "        return 'aa';\n" +
+            "    }\n" +
+            "    , bb: function() {\n" +
+            "        return this.bb();\n" +
+            "    }\n" +
+            "};\n",
+            options: [4]
+        },
+        {
+            code:
+            "var a =\n" +
+            "{\n" +
+            "    actions:\n" +
+            "    [\n" +
+            "        {\n" +
+            "            name: 'compile'\n" +
+            "        }\n" +
+            "    ]\n" +
+            "};\n",
+            options: [4, { VariableDeclarator: 0, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "var a =\n" +
+            "[\n" +
+            "    {\n" +
+            "        name: 'compile'\n" +
+            "    }\n" +
+            "];\n",
+            options: [4, { VariableDeclarator: 0, SwitchCase: 1 }]
+        },
+        {
+            code:
+            "const func = function (opts) {\n" +
+            "    return Promise.resolve()\n" +
+            "    .then(() => {\n" +
+            "        [\n" +
+            "            'ONE', 'TWO'\n" +
+            "        ].forEach(command => { doSomething(); });\n" +
+            "    });\n" +
+            "};",
+            options: [4, { MemberExpression: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const func = function (opts) {\n" +
+            "    return Promise.resolve()\n" +
+            "        .then(() => {\n" +
+            "            [\n" +
+            "                'ONE', 'TWO'\n" +
+            "            ].forEach(command => { doSomething(); });\n" +
+            "        });\n" +
+            "};",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "var haveFun = function () {\n" +
+            "    SillyFunction(\n" +
+            "        {\n" +
+            "            value: true,\n" +
+            "        },\n" +
+            "        {\n" +
+            "            _id: true,\n" +
+            "        }\n" +
+            "    );\n" +
+            "};",
+            options: [4]
+        },
+        {
+            code:
+            "var haveFun = function () {\n" +
+            "    new SillyFunction(\n" +
+            "        {\n" +
+            "            value: true,\n" +
+            "        },\n" +
+            "        {\n" +
+            "            _id: true,\n" +
+            "        }\n" +
+            "    );\n" +
+            "};",
+            options: [4]
+        },
+        {
+            code:
+            "let object1 = {\n" +
+            "  doThing() {\n" +
+            "    return _.chain([])\n" +
+            "      .map(v => (\n" +
+            "        {\n" +
+            "          value: true,\n" +
+            "        }\n" +
+            "      ))\n" +
+            "      .value();\n" +
+            "  }\n" +
+            "};",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "class Foo\n" +
+            "  extends Bar {\n" +
+            "  baz() {}\n" +
+            "}",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "class Foo extends\n" +
+            "  Bar {\n" +
+            "  baz() {}\n" +
+            "}",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "fs.readdirSync(path.join(__dirname, '../rules')).forEach(name => {\n" +
+            "  files[name] = foo;\n" +
+            "});",
+            options: [2, { outerIIFEBody: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "(function(){\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "})();",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "(function(){\n" +
+            "        function foo(x) {\n" +
+            "            return x + 1;\n" +
+            "        }\n" +
+            "})();",
+            options: [4, { outerIIFEBody: 2 }]
+        },
+        {
+            code:
+            "(function(x, y){\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "})(1, 2);",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "(function(){\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "}());",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "!function(){\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "}();",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "!function(){\n" +
+            "\t\t\tfunction foo(x) {\n" +
+            "\t\t\t\treturn x + 1;\n" +
+            "\t\t\t}\n" +
+            "}();",
+            options: ["tab", { outerIIFEBody: 3 }]
+        },
+        {
+            code:
+            "var out = function(){\n" +
+            "  function fooVar(x) {\n" +
+            "    return x + 1;\n" +
+            "  }\n" +
+            "};",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "var ns = function(){\n" +
+            "function fooVar(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "}();",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "ns = function(){\n" +
+            "function fooVar(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "}();",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "var ns = (function(){\n" +
+            "function fooVar(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "}(x));",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "var ns = (function(){\n" +
+            "        function fooVar(x) {\n" +
+            "            return x + 1;\n" +
+            "        }\n" +
+            "}(x));",
+            options: [4, { outerIIFEBody: 2 }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  foo: function() {\n" +
+            "    return true;\n" +
+            "  }\n" +
+            "};",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "while (\n" +
+            "  function() {\n" +
+            "    return true;\n" +
+            "  }()) {\n" +
+            "\n" +
+            "  x = x + 1;\n" +
+            "};",
+            options: [2, { outerIIFEBody: 20 }]
+        },
+        {
+            code:
+            "(() => {\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "})();",
+            options: [2, { outerIIFEBody: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "}",
+            options: ["tab", { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            ";(() => {\n" +
+            "function foo(x) {\n" +
+            "  return x + 1;\n" +
+            "}\n" +
+            "})();",
+            options: [2, { outerIIFEBody: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "if(data) {\n" +
+            "  console.log('hi');\n" +
+            "}",
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code:
+            "Buffer.length",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "Buffer\n" +
+            "    .indexOf('a')\n" +
+            "    .toString()",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "Buffer.\n" +
+            "    length",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "Buffer\n" +
+            "    .foo\n" +
+            "    .bar",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "Buffer\n" +
+            "\t.foo\n" +
+            "\t.bar",
+            options: ["tab", { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "Buffer\n" +
+            "    .foo\n" +
+            "    .bar",
+            options: [2, { MemberExpression: 2 }]
+        },
+        {
+            code:
+            "MemberExpression\n" +
+            ".is" +
+            "  .off" +
+            "    .by" +
+            " .default();",
+            options: [4]
+        },
+        {
+            code:
+            "foo = bar.baz()\n" +
+            "        .bip();",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code:
+            "if (foo) {\n" +
+            "  bar();\n" +
+            "} else if (baz) {\n" +
+            "  foobar();\n" +
+            "} else if (qux) {\n" +
+            "  qux();\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "  bbb, ccc, ddd) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: 1, body: 2 } }]
+        },
+        {
+            code:
+            "function foo(aaa, bbb,\n" +
+            "      ccc, ddd) {\n" +
+            "  bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: 3, body: 1 } }]
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "    bbb,\n" +
+            "    ccc) {\n" +
+            "            bar();\n" +
+            "}",
+            options: [4, { FunctionDeclaration: { parameters: 1, body: 3 } }]
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "             bbb, ccc,\n" +
+            "             ddd, eee, fff) {\n" +
+            "  bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 1 } }]
+        },
+        {
+            code:
+            "function foo(aaa, bbb)\n" +
+            "{\n" +
+            "      bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 3 } }]
+        },
+        {
+            code:
+            "function foo(\n" +
+            "  aaa,\n" +
+            "  bbb) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 2 } }]
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "    bbb,\n" +
+            "    ccc,\n" +
+            "    ddd) {\n" +
+            "bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 2, body: 0 } }]
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "  bbb,\n" +
+            "  ccc) {\n" +
+            "                    bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 1, body: 10 } }]
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "                   bbb, ccc, ddd,\n" +
+            "                   eee, fff) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [4, { FunctionExpression: { parameters: "first", body: 1 } }]
+        },
+        {
+            code:
+            "var foo = function(\n" +
+            "  aaa, bbb, ccc,\n" +
+            "  ddd, eee) {\n" +
+            "      bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: "first", body: 3 } }]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  bar();\n" +
+            "  \tbaz();\n" +
+            "\t   \t\t\t  \t\t\t  \t   \tqux();\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  function bar() {\n" +
+            "    baz();\n" +
+            "  }\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 1 } }]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  bar();\n" +
+            "   \t\t}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  function bar(baz,\n" +
+            "      qux) {\n" +
+            "    foobar();\n" +
+            "  }\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 1, parameters: 2 } }]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  var bar = function(baz,\n" +
+            "        qux) {\n" +
+            "    foobar();\n" +
+            "  };\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 3 } }]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return (bar === 1 || bar === 2 &&\n" +
+            "    (/Function/.test(grandparent.type))) &&\n" +
+            "    directives(parent).indexOf(node) >= 0;\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return (bar === 1 || bar === 2) &&\n" +
+            "    (z === 3 || z === 4);\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return ((bar === 1 || bar === 2) &&\n" +
+            "    (z === 3 || z === 4)\n" +
+            "  );\n" +
+            "}",
+            options: [2]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return ((bar === 1 || bar === 2) &&\n" +
+            "    (z === 3 || z === 4));\n" +
+            "}",
+            options: [2]
+        }, {
+            code:
+            "foo(\n" +
+            "  bar,\n" +
+            "  baz,\n" +
+            "  qux\n" +
+            ");",
+            options: [2, { CallExpression: { arguments: 1 } }]
+        }, {
+            code:
+            "foo(\n" +
+            "\tbar,\n" +
+            "\tbaz,\n" +
+            "\tqux\n" +
+            ");",
+            options: ["tab", { CallExpression: { arguments: 1 } }]
+        }, {
+            code:
+            "foo(bar,\n" +
+            "        baz,\n" +
+            "        qux);",
+            options: [4, { CallExpression: { arguments: 2 } }]
+        }, {
+            code:
+            "foo(\n" +
+            "bar,\n" +
+            "baz,\n" +
+            "qux\n" +
+            ");",
+            options: [2, { CallExpression: { arguments: 0 } }]
+        }, {
+            code:
+            "foo(bar,\n" +
+            "    baz,\n" +
+            "    qux\n" +
+            ");",
+            options: [2, { CallExpression: { arguments: "first" } }]
+        }, {
+            code:
+            "foo(bar, baz,\n" +
+            "    qux, barbaz,\n" +
+            "    barqux, bazqux);",
+            options: [2, { CallExpression: { arguments: "first" } }]
+        }, {
+            code:
+            "foo(\n" +
+            "                        bar, baz,\n" +
+            "                        qux);",
+            options: [2, { CallExpression: { arguments: "first" } }]
+        }, {
+            code:
+            "foo(bar,\n" +
+            "        1 + 2,\n" +
+            "        !baz,\n" +
+            "        new Car('!')\n" +
+            ");",
+            options: [2, { CallExpression: { arguments: 4 } }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7484
+        {
+            code:
+            "var foo = function() {\n" +
+            "  return bar(\n" +
+            "    [{\n" +
+            "    }].concat(baz)\n" +
+            "  );\n" +
+            "};",
+            options: [2]
+        },
+
+        // https://github.com/eslint/eslint/issues/7573
+        {
+            code:
+            "return (\n" +
+            "    foo\n" +
+            ");",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code:
+            "return (\n" +
+            "    foo\n" +
+            ")",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        "var foo = [\n" +
+            "    bar,\n" +
+            "    baz\n" +
+            "]",
+        "var foo = [bar,\n" +
+            "    baz,\n" +
+            "    qux\n" +
+            "]",
+        {
+            code:
+            "var foo = [bar,\n" +
+            "baz,\n" +
+            "qux\n" +
+            "]",
+            options: [2, { ArrayExpression: 0 }]
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "                baz,\n" +
+            "                qux\n" +
+            "]",
+            options: [2, { ArrayExpression: 8 }]
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "           baz,\n" +
+            "           qux\n" +
+            "]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "           baz, qux\n" +
+            "]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "        { bar: 1,\n" +
+            "          baz: 2 },\n" +
+            "        { bar: 3,\n" +
+            "          qux: 4 }\n" +
+            "]",
+            options: [4, { ArrayExpression: 2, ObjectExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = {\n" +
+            "bar: 1,\n" +
+            "baz: 2\n" +
+            "};",
+            options: [2, { ObjectExpression: 0 }]
+        },
+        {
+            code:
+            "var foo = { foo: 1, bar: 2,\n" +
+            "            baz: 3 }",
+            options: [2, { ObjectExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "        {\n" +
+            "            foo: 1\n" +
+            "        }\n" +
+            "]",
+            options: [4, { ArrayExpression: 2 }]
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  [\n" +
+            "          foo\n" +
+            "  ]\n" +
+            "}",
+            options: [2, { ArrayExpression: 4 }]
+        },
+        {
+            code: "[\n]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: "[\n]",
+            options: [2, { ArrayExpression: 1 }]
+        },
+        {
+            code: "{\n}",
+            options: [2, { ObjectExpression: "first" }]
+        },
+        {
+            code: "{\n}",
+            options: [2, { ObjectExpression: 1 }]
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "  [\n" +
+            "    1\n" +
+            "  ]\n" +
+            "]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = [ 1,\n" +
+            "            [\n" +
+            "              2\n" +
+            "            ]\n" +
+            "];",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code:
+            "var foo = bar(1,\n" +
+            "              [ 2,\n" +
+            "                3\n" +
+            "              ]\n" +
+            ");",
+            options: [4, { ArrayExpression: "first", CallExpression: { arguments: "first" } }]
+        },
+        {
+            code:
+            "var foo =\n" +
+            "    [\n" +
+            "    ]()",
+            options: [4, { CallExpression: { arguments: "first" }, ArrayExpression: "first" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7732
+        {
+            code:
+            "const lambda = foo => {\n" +
+            "  Object.assign({},\n" +
+            "    filterName,\n" +
+            "    {\n" +
+            "      display\n" +
+            "    }\n" +
+            "  );" +
+            "}",
+            options: [2, { ObjectExpression: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const lambda = foo => {\n" +
+            "  Object.assign({},\n" +
+            "    filterName,\n" +
+            "    {\n" +
+            "      display\n" +
+            "    }\n" +
+            "  );" +
+            "}",
+            options: [2, { ObjectExpression: "first" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7733
+        {
+            code:
+            "var foo = function() {\n" +
+            "\twindow.foo('foo',\n" +
+            "\t\t{\n" +
+            "\t\t\tfoo: 'bar'," +
+            "\t\t\tbar: {\n" +
+            "\t\t\t\tfoo: 'bar'\n" +
+            "\t\t\t}\n" +
+            "\t\t}\n" +
+            "\t);\n" +
+            "}",
+            options: ["tab"]
+        },
+        {
+            code:
+            "echo = spawn('cmd.exe',\n" +
+            "             ['foo', 'bar',\n" +
+            "              'baz']);",
+            options: [2, { ArrayExpression: "first", CallExpression: { arguments: "first" } }]
+        }
+    ],
+    invalid: [
+        {
+            code:
+                "var a = b;\n" +
+                "if (a) {\n" +
+                "b();\n" +
+                "}\n",
+            output:
+                "var a = b;\n" +
+                "if (a) {\n" +
+                "  b();\n" +
+                "}\n",
+            options: [2],
+            errors: expectedErrors([[3, 2, 0, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "require('http').request({hostname: 'localhost',\n" +
+            "                  port: 80}, function(res) {\n" +
+            "  res.end();\n" +
+            "});\n",
+            output:
+            "require('http').request({hostname: 'localhost',\n" +
+            "  port: 80}, function(res) {\n" +
+            "  res.end();\n" +
+            "});\n",
+            options: [2],
+            errors: expectedErrors([[2, 2, 18, "Property"]])
+        },
+        {
+            code:
+                "if (array.some(function(){\n" +
+                "  return true;\n" +
+                "})) {\n" +
+                "a++; // ->\n" +
+                "  b++;\n" +
+                "    c++; // <-\n" +
+                "}\n",
+            output:
+                "if (array.some(function(){\n" +
+                "  return true;\n" +
+                "})) {\n" +
+                "  a++; // ->\n" +
+                "  b++;\n" +
+                "  c++; // <-\n" +
+                "}\n",
+            options: [2],
+            errors: expectedErrors([[4, 2, 0, "ExpressionStatement"], [6, 2, 4, "ExpressionStatement"]])
+        },
+        {
+            code: "if (a){\n\tb=c;\n\t\tc=d;\ne=f;\n}",
+            output: "if (a){\n\tb=c;\n\tc=d;\n\te=f;\n}",
+            options: ["tab"],
+            errors: expectedErrors("tab", [[3, 1, 2, "ExpressionStatement"], [4, 1, 0, "ExpressionStatement"]])
+        },
+        {
+            code: "if (a){\n    b=c;\n      c=d;\n e=f;\n}",
+            output: "if (a){\n    b=c;\n    c=d;\n    e=f;\n}",
+            options: [4],
+            errors: expectedErrors([[3, 4, 6, "ExpressionStatement"], [4, 4, 1, "ExpressionStatement"]])
+        },
+        {
+            code: fixture,
+            output: fixedFixture,
+            options: [2, { SwitchCase: 1, MemberExpression: 1 }],
+            errors: expectedErrors([
+                [5, 2, 4, "VariableDeclaration"],
+                [10, 4, 6, "BlockStatement"],
+                [11, 2, 4, "BlockStatement"],
+                [15, 4, 2, "ExpressionStatement"],
+                [16, 2, 4, "BlockStatement"],
+                [23, 2, 4, "BlockStatement"],
+                [29, 2, 4, "ForStatement"],
+                [31, 4, 2, "BlockStatement"],
+                [36, 4, 6, "ExpressionStatement"],
+                [38, 2, 4, "BlockStatement"],
+                [39, 4, 2, "ExpressionStatement"],
+                [40, 2, 0, "BlockStatement"],
+                [46, 0, 1, "VariableDeclaration"],
+                [54, 2, 4, "BlockStatement"],
+                [114, 4, 2, "VariableDeclaration"],
+                [120, 4, 6, "VariableDeclaration"],
+                [124, 4, 2, "BreakStatement"],
+                [134, 4, 6, "BreakStatement"],
+                [138, 2, 3, "Punctuator"],
+                [139, 2, 3, "Punctuator"],
+                [143, 4, 0, "ExpressionStatement"],
+                [151, 4, 6, "ExpressionStatement"],
+                [159, 4, 2, "ExpressionStatement"],
+                [161, 4, 6, "ExpressionStatement"],
+                [175, 2, 0, "ExpressionStatement"],
+                [177, 2, 4, "ExpressionStatement"],
+                [189, 2, 0, "VariableDeclaration"],
+                [193, 6, 4, "ExpressionStatement"],
+                [195, 6, 8, "ExpressionStatement"],
+                [304, 4, 6, "ExpressionStatement"],
+                [306, 4, 8, "ExpressionStatement"],
+                [307, 2, 4, "BlockStatement"],
+                [308, 2, 4, "VariableDeclarator"],
+                [311, 4, 6, "Identifier"],
+                [312, 4, 6, "Identifier"],
+                [313, 4, 6, "Identifier"],
+                [314, 2, 4, "ArrayExpression"],
+                [315, 2, 4, "VariableDeclarator"],
+                [318, 4, 6, "Property"],
+                [319, 4, 6, "Property"],
+                [320, 4, 6, "Property"],
+                [321, 2, 4, "ObjectExpression"],
+                [322, 2, 4, "VariableDeclarator"],
+                [326, 2, 1, "Literal"],
+                [327, 2, 1, "Literal"],
+                [328, 2, 1, "Literal"],
+                [329, 2, 1, "Literal"],
+                [330, 2, 1, "Literal"],
+                [331, 2, 1, "Literal"],
+                [332, 2, 1, "Literal"],
+                [333, 2, 1, "Literal"],
+                [334, 2, 1, "Literal"],
+                [335, 2, 1, "Literal"],
+                [340, 2, 4, "ExpressionStatement"],
+                [341, 2, 0, "ExpressionStatement"],
+                [344, 2, 4, "ExpressionStatement"],
+                [345, 2, 0, "ExpressionStatement"],
+                [348, 2, 4, "ExpressionStatement"],
+                [349, 2, 0, "ExpressionStatement"],
+                [355, 2, 0, "ExpressionStatement"],
+                [357, 2, 4, "ExpressionStatement"],
+                [361, 4, 6, "ExpressionStatement"],
+                [362, 2, 4, "BlockStatement"],
+                [363, 2, 4, "VariableDeclarator"],
+                [368, 2, 0, "SwitchCase"],
+                [370, 2, 4, "SwitchCase"],
+                [374, 4, 6, "VariableDeclaration"],
+                [376, 4, 2, "VariableDeclaration"],
+                [383, 2, 0, "ExpressionStatement"],
+                [385, 2, 4, "ExpressionStatement"],
+                [390, 2, 0, "ExpressionStatement"],
+                [392, 2, 4, "ExpressionStatement"],
+                [409, 2, 0, "ExpressionStatement"],
+                [410, 2, 4, "ExpressionStatement"],
+                [416, 2, 0, "ExpressionStatement"],
+                [417, 2, 4, "ExpressionStatement"],
+                [422, 2, 4, "ExpressionStatement"],
+                [423, 2, 0, "ExpressionStatement"],
+                [427, 2, 6, "ExpressionStatement"],
+                [428, 2, 8, "ExpressionStatement"],
+                [429, 2, 4, "ExpressionStatement"],
+                [430, 0, 4, "BlockStatement"],
+                [433, 2, 4, "ExpressionStatement"],
+                [434, 0, 4, "BlockStatement"],
+                [437, 2, 0, "ExpressionStatement"],
+                [438, 0, 4, "BlockStatement"],
+                [451, 2, 0, "ExpressionStatement"],
+                [453, 2, 4, "ExpressionStatement"],
+                [499, 6, 8, "BlockStatement"],
+                [500, 10, 8, "ExpressionStatement"],
+                [501, 8, 6, "BlockStatement"],
+                [506, 6, 8, "BlockStatement"]
+            ])
+        },
+        {
+            code:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "        a();\n" +
+                "    break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "    break;\n" +
+                "    default:\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "}",
+            output:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "}",
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([[4, 8, 4, "BreakStatement"], [7, 8, 4, "BreakStatement"]])
+        },
+        {
+            code:
+            "var x = 0 &&\n" +
+            "    {\n" +
+            "       a: 1,\n" +
+            "          b: 2\n" +
+            "    };",
+            output:
+            "var x = 0 &&\n" +
+            "    {\n" +
+            "        a: 1,\n" +
+            "        b: 2\n" +
+            "    };",
+            options: [4],
+            errors: expectedErrors([[3, 8, 7, "Property"], [4, 8, 10, "Property"]])
+        },
+        {
+            code:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "    break;\n" +
+                "}",
+            output:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        break;\n" +
+                "}",
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([9, 8, 4, "BreakStatement"])
+        },
+        {
+            code:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        break;\n" +
+                "}\n" +
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "    break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "    break;\n" +
+                "    default:\n" +
+                "        a();\n" +
+                "    break;\n" +
+                "}",
+            output:
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        break;\n" +
+                "}\n" +
+                "switch(value){\n" +
+                "    case \"1\":\n" +
+                "        break;\n" +
+                "    case \"2\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "}",
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([[11, 8, 4, "BreakStatement"], [14, 8, 4, "BreakStatement"], [17, 8, 4, "BreakStatement"]])
+        },
+        {
+            code:
+                "switch(value){\n" +
+                "case \"1\":\n" +
+                "        a();\n" +
+                "        break;\n" +
+                "    case \"2\":\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        break;\n" +
+                "}",
+            output:
+                "switch(value){\n" +
+                "case \"1\":\n" +
+                "    a();\n" +
+                "    break;\n" +
+                "case \"2\":\n" +
+                "    break;\n" +
+                "default:\n" +
+                "    break;\n" +
+                "}",
+            options: [4],
+            errors: expectedErrors([
+                [3, 4, 8, "ExpressionStatement"],
+                [4, 4, 8, "BreakStatement"],
+                [5, 0, 4, "SwitchCase"],
+                [6, 4, 8, "BreakStatement"],
+                [7, 0, 4, "SwitchCase"],
+                [8, 4, 8, "BreakStatement"]
+            ])
+        },
+        {
+            code:
+                "var obj = {foo: 1, bar: 2};\n" +
+                "with (obj) {\n" +
+                "console.log(foo + bar);\n" +
+                "}\n",
+            output:
+                "var obj = {foo: 1, bar: 2};\n" +
+                "with (obj) {\n" +
+                "    console.log(foo + bar);\n" +
+                "}\n",
+            errors: expectedErrors([3, 4, 0, "ExpressionStatement"])
+        },
+        {
+            code:
+                "switch (a) {\n" +
+                "case '1':\n" +
+                "b();\n" +
+                "break;\n" +
+                "default:\n" +
+                "c();\n" +
+                "break;\n" +
+                "}\n",
+            output:
+                "switch (a) {\n" +
+                "    case '1':\n" +
+                "        b();\n" +
+                "        break;\n" +
+                "    default:\n" +
+                "        c();\n" +
+                "        break;\n" +
+                "}\n",
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 4, 0, "SwitchCase"],
+                [3, 8, 0, "ExpressionStatement"],
+                [4, 8, 0, "BreakStatement"],
+                [5, 4, 0, "SwitchCase"],
+                [6, 8, 0, "ExpressionStatement"],
+                [7, 8, 0, "BreakStatement"]
+            ])
+        },
+        {
+            code:
+            "var foo = function(){\n" +
+            "    foo\n" +
+            "          .bar\n" +
+            "}",
+            output:
+            "var foo = function(){\n" +
+            "    foo\n" +
+            "        .bar\n" +
+            "}",
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors(
+                [3, 8, 10, "Punctuator"]
+            )
+        },
+        {
+            code:
+            "var foo = function(){\n" +
+            "    foo\n" +
+            "             .bar\n" +
+            "}",
+            output:
+            "var foo = function(){\n" +
+            "    foo\n" +
+            "            .bar\n" +
+            "}",
+            options: [4, { MemberExpression: 2 }],
+            errors: expectedErrors(
+                [3, 12, 13, "Punctuator"]
+            )
+        },
+        {
+            code:
+            "var foo = () => {\n" +
+            "    foo\n" +
+            "             .bar\n" +
+            "}",
+            output:
+            "var foo = () => {\n" +
+            "    foo\n" +
+            "            .bar\n" +
+            "}",
+            options: [4, { MemberExpression: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors(
+                [3, 12, 13, "Punctuator"]
+            )
+        },
+        {
+            code:
+            "TestClass.prototype.method = function () {\n" +
+            "  return Promise.resolve(3)\n" +
+            "      .then(function (x) {\n" +
+            "        return x;\n" +
+            "      });\n" +
+            "};",
+            output:
+            "TestClass.prototype.method = function () {\n" +
+            "  return Promise.resolve(3)\n" +
+            "    .then(function (x) {\n" +
+            "        return x;\n" +
+            "      });\n" +
+            "};",
+            options: [2, { MemberExpression: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors(
+                [
+                    [3, 4, 6, "Punctuator"]
+                ]
+            )
+        },
+        {
+            code:
+                "while (a) \n" +
+                "b();",
+            output:
+                "while (a) \n" +
+                "    b();",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "for (;;) \n" +
+            "b();",
+            output:
+            "for (;;) \n" +
+            "    b();",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "for (a in x) \n" +
+            "b();",
+            output:
+            "for (a in x) \n" +
+            "    b();",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "do \n" +
+            "b();\n" +
+            "while(true)",
+            output:
+            "do \n" +
+            "    b();\n" +
+            "while(true)",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "if(true) \n" +
+            "b();",
+            output:
+            "if(true) \n" +
+            "    b();",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "var test = {\n" +
+            "      a: 1,\n" +
+            "    b: 2\n" +
+            "    };\n",
+            output:
+            "var test = {\n" +
+            "  a: 1,\n" +
+            "  b: 2\n" +
+            "};\n",
+            options: [2],
+            errors: expectedErrors([
+                [2, 2, 6, "Property"],
+                [3, 2, 4, "Property"],
+                [4, 0, 4, "ObjectExpression"]
+            ])
+        },
+        {
+            code:
+            "var a = function() {\n" +
+            "      a++;\n" +
+            "    b++;\n" +
+            "          c++;\n" +
+            "    },\n" +
+            "    b;\n",
+            output:
+            "var a = function() {\n" +
+            "        a++;\n" +
+            "        b++;\n" +
+            "        c++;\n" +
+            "    },\n" +
+            "    b;\n",
+            options: [4],
+            errors: expectedErrors([
+                [2, 8, 6, "ExpressionStatement"],
+                [3, 8, 4, "ExpressionStatement"],
+                [4, 8, 10, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "var a = 1,\n" +
+            "b = 2,\n" +
+            "c = 3;\n",
+            output:
+            "var a = 1,\n" +
+            "    b = 2,\n" +
+            "    c = 3;\n",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "VariableDeclarator"],
+                [3, 4, 0, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "[a, b, \nc].forEach((index) => {\n" +
+            "  index;\n" +
+            "});\n",
+            output:
+            "[a, b, \n" +
+            "    c].forEach((index) => {\n" +
+            "    index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 4, 2, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "[a, b, \nc].forEach(function(index){\n" +
+            "  return index;\n" +
+            "});\n",
+            output:
+            "[a, b, \n" +
+            "    c].forEach(function(index){\n" +
+            "    return index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 4, 2, "ReturnStatement"]
+            ])
+        },
+        {
+            code:
+            "[a, b, \nc].forEach(function(index){\n" +
+            "    return index;\n" +
+            "});\n",
+            output:
+            "[a, b, \n" +
+            "    c].forEach(function(index){\n" +
+            "    return index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([[2, 4, 0, "Identifier"]])
+        },
+        {
+            code:
+            "[a, b, c].forEach((index) => {\n" +
+            "  index;\n" +
+            "});\n",
+            output:
+            "[a, b, c].forEach((index) => {\n" +
+            "    index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 2, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "[a, b, c].forEach(function(index){\n" +
+            "  return index;\n" +
+            "});\n",
+            output:
+            "[a, b, c].forEach(function(index){\n" +
+            "    return index;\n" +
+            "});\n",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 2, "ReturnStatement"]
+            ])
+        },
+        {
+            code:
+            "var x = ['a',\n" +
+            "         'b',\n" +
+            "         'c'\n" +
+            "];",
+            output:
+            "var x = ['a',\n" +
+            "    'b',\n" +
+            "    'c'\n" +
+            "];",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "Literal"],
+                [3, 4, 9, "Literal"]
+            ])
+        },
+        {
+            code:
+            "var x = [\n" +
+            "         'a',\n" +
+            "         'b',\n" +
+            "         'c'\n" +
+            "];",
+            output:
+            "var x = [\n" +
+            "    'a',\n" +
+            "    'b',\n" +
+            "    'c'\n" +
+            "];",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "Literal"],
+                [3, 4, 9, "Literal"],
+                [4, 4, 9, "Literal"]
+            ])
+        },
+        {
+            code:
+            "var x = [\n" +
+            "         'a',\n" +
+            "         'b',\n" +
+            "         'c',\n" +
+            "'d'];",
+            output:
+            "var x = [\n" +
+            "    'a',\n" +
+            "    'b',\n" +
+            "    'c',\n" +
+            "    'd'];",
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "Literal"],
+                [3, 4, 9, "Literal"],
+                [4, 4, 9, "Literal"],
+                [5, 4, 0, "Literal"]
+            ])
+        },
+        {
+            code:
+            "var x = [\n" +
+            "         'a',\n" +
+            "         'b',\n" +
+            "         'c'\n" +
+            "  ];",
+            output:
+            "var x = [\n" +
+            "    'a',\n" +
+            "    'b',\n" +
+            "    'c'\n" +
+            "];",
+            options: [4],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 9, "Literal"],
+                [3, 4, 9, "Literal"],
+                [4, 4, 9, "Literal"],
+                [5, 0, 2, "ArrayExpression"]
+            ])
+        },
+        {
+            code: "while (1 < 2)\nconsole.log('foo')\n  console.log('bar')",
+            output: "while (1 < 2)\n  console.log('foo')\nconsole.log('bar')",
+            options: [2],
+            errors: expectedErrors([
+                [2, 2, 0, "ExpressionStatement"],
+                [3, 0, 2, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "function salutation () {\n" +
+            "  switch (1) {\n" +
+            "  case 0: return console.log('hi')\n" +
+            "    case 1: return console.log('hey')\n" +
+            "  }\n" +
+            "}\n",
+            output:
+            "function salutation () {\n" +
+            "  switch (1) {\n" +
+            "    case 0: return console.log('hi')\n" +
+            "    case 1: return console.log('hey')\n" +
+            "  }\n" +
+            "}\n",
+            options: [2, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [3, 4, 2, "SwitchCase"]
+            ])
+        },
+        {
+            code:
+            "var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,\n" +
+            "height, rotate;",
+            output:
+            "var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,\n" +
+            "  height, rotate;",
+            options: [2, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 0, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "switch (a) {\n" +
+            "case '1':\n" +
+            "b();\n" +
+            "break;\n" +
+            "default:\n" +
+            "c();\n" +
+            "break;\n" +
+            "}\n",
+            output:
+            "switch (a) {\n" +
+            "        case '1':\n" +
+            "            b();\n" +
+            "            break;\n" +
+            "        default:\n" +
+            "            c();\n" +
+            "            break;\n" +
+            "}\n",
+            options: [4, { SwitchCase: 2 }],
+            errors: expectedErrors([
+                [2, 8, 0, "SwitchCase"],
+                [3, 12, 0, "ExpressionStatement"],
+                [4, 12, 0, "BreakStatement"],
+                [5, 8, 0, "SwitchCase"],
+                [6, 12, 0, "ExpressionStatement"],
+                [7, 12, 0, "BreakStatement"]
+            ])
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "rotate;",
+            output:
+            "var geometry,\n" +
+            "  rotate;",
+            options: [2, { VariableDeclarator: 1 }],
+            errors: expectedErrors([
+                [2, 2, 0, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "  rotate;",
+            output:
+            "var geometry,\n" +
+            "    rotate;",
+            options: [2, { VariableDeclarator: 2 }],
+            errors: expectedErrors([
+                [2, 4, 2, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "var geometry,\n" +
+            "\trotate;",
+            output:
+            "var geometry,\n" +
+            "\t\trotate;",
+            options: ["tab", { VariableDeclarator: 2 }],
+            errors: expectedErrors("tab", [
+                [2, 2, 1, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "let geometry,\n" +
+            "  rotate;",
+            output:
+            "let geometry,\n" +
+            "    rotate;",
+            options: [2, { VariableDeclarator: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 4, 2, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "if(true)\n" +
+            "  if (true)\n" +
+            "    if (true)\n" +
+            "    console.log(val);",
+            output:
+            "if(true)\n" +
+            "  if (true)\n" +
+            "    if (true)\n" +
+            "      console.log(val);",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [4, 6, 4, "ExpressionStatement"]
+            ])
+        },
+        {
+            code:
+            "var a = {\n" +
+            "    a: 1,\n" +
+            "    b: 2\n" +
+            "}",
+            output:
+            "var a = {\n" +
+            "  a: 1,\n" +
+            "  b: 2\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 4, "Property"],
+                [3, 2, 4, "Property"]
+            ])
+        },
+        {
+            code:
+            "var a = [\n" +
+            "    a,\n" +
+            "    b\n" +
+            "]",
+            output:
+            "var a = [\n" +
+            "  a,\n" +
+            "  b\n" +
+            "]",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 4, "Identifier"],
+                [3, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code:
+            "let a = [\n" +
+            "    a,\n" +
+            "    b\n" +
+            "]",
+            output:
+            "let a = [\n" +
+            "  a,\n" +
+            "  b\n" +
+            "]",
+            options: [2, { VariableDeclarator: { let: 2 }, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [2, 2, 4, "Identifier"],
+                [3, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code:
+            "var a = new Test({\n" +
+            "      a: 1\n" +
+            "  }),\n" +
+            "    b = 4;\n",
+            output:
+            "var a = new Test({\n" +
+            "        a: 1\n" +
+            "    }),\n" +
+            "    b = 4;\n",
+            options: [4],
+            errors: expectedErrors([
+                [2, 8, 6, "Property"],
+                [3, 4, 2, "ObjectExpression"]
+            ])
+        },
+        {
+            code:
+            "var a = new Test({\n" +
+            "      a: 1\n" +
+            "    }),\n" +
+            "    b = 4;\n" +
+            "const c = new Test({\n" +
+            "      a: 1\n" +
+            "    }),\n" +
+            "    d = 4;\n",
+            output:
+            "var a = new Test({\n" +
+            "      a: 1\n" +
+            "    }),\n" +
+            "    b = 4;\n" +
+            "const c = new Test({\n" +
+            "    a: 1\n" +
+            "  }),\n" +
+            "  d = 4;\n",
+            options: [2, { VariableDeclarator: { var: 2 } }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([
+                [6, 4, 6, "Property"],
+                [7, 2, 4, "ObjectExpression"],
+                [8, 2, 4, "VariableDeclarator"]
+            ])
+        },
+        {
+            code:
+            "var abc = 5,\n" +
+            "    c = 2,\n" +
+            "    xyz = \n" +
+            "     {\n" +
+            "       a: 1,\n" +
+            "        b: 2\n" +
+            "     };",
+            output:
+            "var abc = 5,\n" +
+            "    c = 2,\n" +
+            "    xyz = \n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [4, 4, 5, "ObjectExpression"],
+                [5, 6, 7, "Property"],
+                [6, 6, 8, "Property"],
+                [7, 4, 5, "ObjectExpression"]
+            ])
+        },
+        {
+            code:
+            "var abc = \n" +
+            "     {\n" +
+            "       a: 1,\n" +
+            "        b: 2\n" +
+            "     };",
+            output:
+            "var abc = \n" +
+            "    {\n" +
+            "      a: 1,\n" +
+            "      b: 2\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 4, 5, "ObjectExpression"],
+                [3, 6, 7, "Property"],
+                [4, 6, 8, "Property"],
+                [5, 4, 5, "ObjectExpression"]
+            ])
+        },
+        {
+            code:
+                "var path     = require('path')\n" +
+                " , crypto    = require('crypto')\n" +
+                ";\n",
+            output:
+                "var path     = require('path')\n" +
+                " , crypto    = require('crypto')\n" +
+                " ;\n",
+            options: [2],
+            errors: expectedErrors([
+                [3, 1, 0, "VariableDeclaration"]
+            ])
+        },
+        {
+            code:
+                "var a = 1\n" +
+                "   ,b = 2\n" +
+                ";",
+            output:
+                "var a = 1\n" +
+                "   ,b = 2\n" +
+                "   ;",
+            errors: expectedErrors([
+                [3, 3, 0, "VariableDeclaration"]
+            ])
+        },
+        {
+            code:
+            "class A{\n" +
+            "  constructor(){}\n" +
+            "    a(){}\n" +
+            "    get b(){}\n" +
+            "}",
+            output:
+            "class A{\n" +
+            "    constructor(){}\n" +
+            "    a(){}\n" +
+            "    get b(){}\n" +
+            "}",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([[2, 4, 2, "MethodDefinition"]])
+        },
+        {
+            code:
+            "var A = class {\n" +
+            "  constructor(){}\n" +
+            "    a(){}\n" +
+            "  get b(){}\n" +
+            "};",
+            output:
+            "var A = class {\n" +
+            "    constructor(){}\n" +
+            "    a(){}\n" +
+            "    get b(){}\n" +
+            "};",
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([[2, 4, 2, "MethodDefinition"], [4, 4, 2, "MethodDefinition"]])
+        },
+        {
+            code:
+            "var a = 1,\n" +
+            "    B = class {\n" +
+            "    constructor(){}\n" +
+            "      a(){}\n" +
+            "      get b(){}\n" +
+            "    };",
+            output:
+            "var a = 1,\n" +
+            "    B = class {\n" +
+            "      constructor(){}\n" +
+            "      a(){}\n" +
+            "      get b(){}\n" +
+            "    };",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedErrors([[3, 6, 4, "MethodDefinition"]])
+        },
+        {
+            code:
+            "{\n" +
+            "    if(a){\n" +
+            "        foo();\n" +
+            "    }\n" +
+            "  else{\n" +
+            "        bar();\n" +
+            "    }\n" +
+            "}\n",
+            output:
+            "{\n" +
+            "    if(a){\n" +
+            "        foo();\n" +
+            "    }\n" +
+            "    else{\n" +
+            "        bar();\n" +
+            "    }\n" +
+            "}\n",
+            options: [4],
+            errors: expectedErrors([[5, 4, 2, "Keyword"]])
+        },
+        {
+            code:
+            "{\n" +
+            "    if(a){\n" +
+            "        foo();\n" +
+            "    }\n" +
+            "  else\n" +
+            "        bar();\n" +
+            "    \n" +
+            "}\n",
+            output:
+            "{\n" +
+            "    if(a){\n" +
+            "        foo();\n" +
+            "    }\n" +
+            "    else\n" +
+            "        bar();\n" +
+            "    \n" +
+            "}\n",
+            options: [4],
+            errors: expectedErrors([[5, 4, 2, "Keyword"]])
+        },
+        {
+            code:
+            "{\n" +
+            "    if(a)\n" +
+            "        foo();\n" +
+            "  else\n" +
+            "        bar();\n" +
+            "}\n",
+            output:
+            "{\n" +
+            "    if(a)\n" +
+            "        foo();\n" +
+            "    else\n" +
+            "        bar();\n" +
+            "}\n",
+            options: [4],
+            errors: expectedErrors([[4, 4, 2, "Keyword"]])
+        },
+        {
+            code:
+            "(function(){\n" +
+            "  function foo(x) {\n" +
+            "    return x + 1;\n" +
+            "  }\n" +
+            "})();",
+            output:
+            "(function(){\n" +
+            "function foo(x) {\n" +
+            "    return x + 1;\n" +
+            "  }\n" +
+            "})();",
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[2, 0, 2, "FunctionDeclaration"]])
+        },
+        {
+            code:
+            "(function(){\n" +
+            "    function foo(x) {\n" +
+            "        return x + 1;\n" +
+            "    }\n" +
+            "})();",
+            output:
+            "(function(){\n" +
+            "        function foo(x) {\n" +
+            "        return x + 1;\n" +
+            "    }\n" +
+            "})();",
+            options: [4, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 8, 4, "FunctionDeclaration"]])
+        },
+        {
+            code:
+            "if(data) {\n" +
+            "console.log('hi');\n" +
+            "}",
+            output:
+            "if(data) {\n" +
+            "  console.log('hi');\n" +
+            "}",
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[2, 2, 0, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var ns = function(){\n" +
+            "    function fooVar(x) {\n" +
+            "        return x + 1;\n" +
+            "    }\n" +
+            "}(x);",
+            output:
+            "var ns = function(){\n" +
+            "        function fooVar(x) {\n" +
+            "        return x + 1;\n" +
+            "    }\n" +
+            "}(x);",
+            options: [4, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 8, 4, "FunctionDeclaration"]])
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  foo: function() {\n" +
+            "  return true;\n" +
+            "  }()\n" +
+            "};\n",
+            output:
+            "var obj = {\n" +
+            "  foo: function() {\n" +
+            "    return true;\n" +
+            "  }()\n" +
+            "};\n",
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[3, 4, 2, "ReturnStatement"]])
+        },
+        {
+            code:
+            "typeof function() {\n" +
+            "    function fooVar(x) {\n" +
+            "      return x + 1;\n" +
+            "    }\n" +
+            "}();",
+            output:
+            "typeof function() {\n" +
+            "  function fooVar(x) {\n" +
+            "      return x + 1;\n" +
+            "    }\n" +
+            "}();",
+            options: [2, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 2, 4, "FunctionDeclaration"]])
+        },
+        {
+            code:
+            "{\n" +
+            "\t!function(x) {\n" +
+            "\t\t\t\treturn x + 1;\n" +
+            "\t}()\n" +
+            "};",
+            output:
+            "{\n" +
+            "\t!function(x) {\n" +
+            "\t\treturn x + 1;\n" +
+            "\t}()\n" +
+            "};",
+            options: ["tab", { outerIIFEBody: 3 }],
+            errors: expectedErrors("tab", [[3, 2, 4, "ReturnStatement"]])
+        },
+        {
+            code:
+            "Buffer\n" +
+            ".toString()",
+            output:
+            "Buffer\n" +
+            "    .toString()",
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[2, 4, 0, "Punctuator"]])
+        },
+        {
+            code:
+            "Buffer\n" +
+            "    .indexOf('a')\n" +
+            ".toString()",
+            output:
+            "Buffer\n" +
+            "    .indexOf('a')\n" +
+            "    .toString()",
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[3, 4, 0, "Punctuator"]])
+        },
+        {
+            code:
+            "Buffer.\n" +
+            "length",
+            output:
+            "Buffer.\n" +
+            "    length",
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[2, 4, 0, "Identifier"]])
+        },
+        {
+            code:
+            "Buffer.\n" +
+            "\t\tlength",
+            output:
+            "Buffer.\n" +
+            "\tlength",
+            options: ["tab", { MemberExpression: 1 }],
+            errors: expectedErrors("tab", [[2, 1, 2, "Identifier"]])
+        },
+        {
+            code:
+            "Buffer\n" +
+            "  .foo\n" +
+            "  .bar",
+            output:
+            "Buffer\n" +
+            "    .foo\n" +
+            "    .bar",
+            options: [2, { MemberExpression: 2 }],
+            errors: expectedErrors([[2, 4, 2, "Punctuator"], [3, 4, 2, "Punctuator"]])
+        },
+        {
+
+            // Indentation with multiple else statements: https://github.com/eslint/eslint/issues/6956
+
+            code:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "  else if (qux) qux();",
+            output:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "else if (qux) qux();",
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Keyword"])
+        },
+        {
+            code:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "  else qux();",
+            output:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "else qux();",
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Keyword"])
+        },
+        {
+            code:
+            "foo();\n" +
+            "  if (baz) foobar();\n" +
+            "  else qux();",
+            output:
+            "foo();\n" +
+            "if (baz) foobar();\n" +
+            "else qux();",
+            options: [2],
+            errors: expectedErrors([[2, 0, 2, "IfStatement"], [3, 0, 2, "Keyword"]])
+        },
+        {
+            code:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "     else if (bip) {\n" +
+            "       qux();\n" +
+            "     }",
+            output:
+            "if (foo) bar();\n" +
+            "else if (baz) foobar();\n" +
+            "else if (bip) {\n" +
+            "       qux();\n" + // (fixed on the next pass)
+            "     }",
+            options: [2],
+            errors: expectedErrors([3, 0, 5, "Keyword"])
+        },
+        {
+            code:
+            "if (foo) bar();\n" +
+            "else if (baz) {\n" +
+            "    foobar();\n" +
+            "     } else if (boop) {\n" +
+            "       qux();\n" +
+            "     }",
+            output:
+            "if (foo) bar();\n" +
+            "else if (baz) {\n" +
+            "  foobar();\n" +
+            "} else if (boop) {\n" +
+            "       qux();\n" + // (fixed on the next pass)
+            "     }",
+            options: [2],
+            errors: expectedErrors([[3, 2, 4, "ExpressionStatement"], [4, 0, 5, "BlockStatement"]])
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "    bbb, ccc, ddd) {\n" +
+            "      bar();\n" +
+            "}",
+            output:
+            "function foo(aaa,\n" +
+            "  bbb, ccc, ddd) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: 1, body: 2 } }],
+            errors: expectedErrors([[2, 2, 4, "Identifier"], [3, 4, 6, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "function foo(aaa, bbb,\n" +
+            "  ccc, ddd) {\n" +
+            "bar();\n" +
+            "}",
+            output:
+            "function foo(aaa, bbb,\n" +
+            "      ccc, ddd) {\n" +
+            "  bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: 3, body: 1 } }],
+            errors: expectedErrors([[2, 6, 2, "Identifier"], [3, 2, 0, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "        bbb,\n" +
+            "  ccc) {\n" +
+            "      bar();\n" +
+            "}",
+            output:
+            "function foo(aaa,\n" +
+            "    bbb,\n" +
+            "    ccc) {\n" +
+            "            bar();\n" +
+            "}",
+            options: [4, { FunctionDeclaration: { parameters: 1, body: 3 } }],
+            errors: expectedErrors([[2, 4, 8, "Identifier"], [3, 4, 2, "Identifier"], [4, 12, 6, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "function foo(aaa,\n" +
+            "  bbb, ccc,\n" +
+            "                   ddd, eee, fff) {\n" +
+            "   bar();\n" +
+            "}",
+            output:
+            "function foo(aaa,\n" +
+            "             bbb, ccc,\n" +
+            "             ddd, eee, fff) {\n" +
+            "  bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 1 } }],
+            errors: expectedErrors([[2, 13, 2, "Identifier"], [3, 13, 19, "Identifier"], [4, 2, 3, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "function foo(aaa, bbb)\n" +
+            "{\n" +
+            "bar();\n" +
+            "}",
+            output:
+            "function foo(aaa, bbb)\n" +
+            "{\n" +
+            "      bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 3 } }],
+            errors: expectedErrors([3, 6, 0, "ExpressionStatement"])
+        },
+        {
+            code:
+            "function foo(\n" +
+            "aaa,\n" +
+            "    bbb) {\n" +
+            "bar();\n" +
+            "}",
+            output:
+            "function foo(\n" +
+            "aaa,\n" +
+            "bbb) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 2 } }],
+            errors: expectedErrors([[3, 0, 4, "Identifier"], [4, 4, 0, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "  bbb,\n" +
+            "    ccc,\n" +
+            "      ddd) {\n" +
+            "  bar();\n" +
+            "}",
+            output:
+            "var foo = function(aaa,\n" +
+            "    bbb,\n" +
+            "    ccc,\n" +
+            "    ddd) {\n" +
+            "bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 2, body: 0 } }],
+            errors: expectedErrors([[2, 4, 2, "Identifier"], [4, 4, 6, "Identifier"], [5, 0, 2, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "   bbb,\n" +
+            " ccc) {\n" +
+            "  bar();\n" +
+            "}",
+            output:
+            "var foo = function(aaa,\n" +
+            "  bbb,\n" +
+            "  ccc) {\n" +
+            "                    bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 1, body: 10 } }],
+            errors: expectedErrors([[2, 2, 3, "Identifier"], [3, 2, 1, "Identifier"], [4, 20, 2, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var foo = function(aaa,\n" +
+            "  bbb, ccc, ddd,\n" +
+            "                        eee, fff) {\n" +
+            "        bar();\n" +
+            "}",
+            output:
+            "var foo = function(aaa,\n" +
+            "                   bbb, ccc, ddd,\n" +
+            "                   eee, fff) {\n" +
+            "    bar();\n" +
+            "}",
+            options: [4, { FunctionExpression: { parameters: "first", body: 1 } }],
+            errors: expectedErrors([[2, 19, 2, "Identifier"], [3, 19, 24, "Identifier"], [4, 4, 8, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var foo = function(\n" +
+            "aaa, bbb, ccc,\n" +
+            "    ddd, eee) {\n" +
+            "  bar();\n" +
+            "}",
+            output:
+            "var foo = function(\n" +
+            "aaa, bbb, ccc,\n" +
+            "ddd, eee) {\n" +
+            "      bar();\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: "first", body: 3 } }],
+            errors: expectedErrors([[3, 0, 4, "Identifier"], [4, 6, 2, "ExpressionStatement"]])
+        },
+        {
+            code:
+            "var foo = bar;\n" +
+            "\t\t\tvar baz = qux;",
+            output:
+            "var foo = bar;\n" +
+            "var baz = qux;",
+            options: [2],
+            errors: expectedErrors([2, "0 spaces", "3 tabs", "VariableDeclaration"])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "\tbar();\n" +
+            "  baz();\n" +
+            "              qux();\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "\tbar();\n" +
+            "\tbaz();\n" +
+            "\tqux();\n" +
+            "}",
+            options: ["tab"],
+            errors: expectedErrors("tab", [[3, "1 tab", "2 spaces", "ExpressionStatement"], [4, "1 tab", "14 spaces", "ExpressionStatement"]])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  bar();\n" +
+            "\t\t}",
+            output:
+            "function foo() {\n" +
+            "  bar();\n" +
+            "}",
+            options: [2],
+            errors: expectedErrors([[3, "0 spaces", "2 tabs", "BlockStatement"]])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  function bar() {\n" +
+            "        baz();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  function bar() {\n" +
+            "    baz();\n" +
+            "  }\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 1 } }],
+            errors: expectedErrors([3, 4, 8, "ExpressionStatement"])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  function bar(baz,\n" +
+            "    qux) {\n" +
+            "    foobar();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  function bar(baz,\n" +
+            "      qux) {\n" +
+            "    foobar();\n" +
+            "  }\n" +
+            "}",
+            options: [2, { FunctionDeclaration: { body: 1, parameters: 2 } }],
+            errors: expectedErrors([3, 6, 4, "Identifier"])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  var bar = function(baz,\n" +
+            "          qux) {\n" +
+            "    foobar();\n" +
+            "  };\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  var bar = function(baz,\n" +
+            "        qux) {\n" +
+            "    foobar();\n" +
+            "  };\n" +
+            "}",
+            options: [2, { FunctionExpression: { parameters: 3 } }],
+            errors: expectedErrors([3, 8, 10, "Identifier"])
+        },
+        {
+            code:
+            "{\n" +
+            "    try {\n" +
+            "    }\n" +
+            "catch (err) {\n" +
+            "    }\n" +
+            "finally {\n" +
+            "    }\n" +
+            "}",
+            output:
+            "{\n" +
+            "    try {\n" +
+            "    }\n" +
+            "    catch (err) {\n" +
+            "    }\n" +
+            "    finally {\n" +
+            "    }\n" +
+            "}",
+            errors: expectedErrors([
+                [4, 4, 0, "Keyword"],
+                [6, 4, 0, "Keyword"]
+            ])
+        },
+        {
+            code:
+            "{\n" +
+            "    do {\n" +
+            "    }\n" +
+            "while (true)\n" +
+            "}",
+            output:
+            "{\n" +
+            "    do {\n" +
+            "    }\n" +
+            "    while (true)\n" +
+            "}",
+            errors: expectedErrors([4, 4, 0, "Keyword"])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return (\n" +
+            "    1\n" +
+            "    )\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  return (\n" +
+            "    1\n" +
+            "  )\n" +
+            "}",
+            options: [2],
+            errors: expectedErrors([[4, "2 spaces", "4", "ReturnStatement"]])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "  return (\n" +
+            "    1\n" +
+            "    );\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  return (\n" +
+            "    1\n" +
+            "  );\n" +
+            "}",
+            options: [2],
+            errors: expectedErrors([[4, "2 spaces", "4", "ReturnStatement"]])
+        },
+        {
+            code:
+            "function test(){\n" +
+            "  switch(length){\n" +
+            "    case 1: return function(a){\n" +
+            "    return fn.call(that, a);\n" +
+            "    };\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function test(){\n" +
+            "  switch(length){\n" +
+            "    case 1: return function(a){\n" +
+            "      return fn.call(that, a);\n" +
+            "    };\n" +
+            "  }\n" +
+            "}",
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([[4, "6 spaces", "4", "ReturnStatement"]])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "   return 1\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  return 1\n" +
+            "}",
+            options: [2],
+            errors: expectedErrors([[2, "2 spaces", "3", "ReturnStatement"]])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "   return 1;\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  return 1;\n" +
+            "}",
+            options: [2],
+            errors: expectedErrors([[2, "2 spaces", "3", "ReturnStatement"]])
+        },
+        {
+            code:
+            "foo(\n" +
+            "bar,\n" +
+            "  baz,\n" +
+            "    qux);",
+            output:
+            "foo(\n" +
+            "  bar,\n" +
+            "  baz,\n" +
+            "  qux);",
+            options: [2, { CallExpression: { arguments: 1 } }],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [4, 2, 4, "Identifier"]])
+        },
+        {
+            code:
+            "foo(\n" +
+            "\tbar,\n" +
+            "\tbaz);",
+            output:
+            "foo(\n" +
+            "    bar,\n" +
+            "    baz);",
+            options: [2, { CallExpression: { arguments: 2 } }],
+            errors: expectedErrors([[2, "4 spaces", "1 tab", "Identifier"], [3, "4 spaces", "1 tab", "Identifier"]])
+        },
+        {
+            code:
+            "foo(bar,\n" +
+            "\t\tbaz,\n" +
+            "\t\tqux);",
+            output:
+            "foo(bar,\n" +
+            "\tbaz,\n" +
+            "\tqux);",
+            options: ["tab", { CallExpression: { arguments: 1 } }],
+            errors: expectedErrors("tab", [[2, 1, 2, "Identifier"], [3, 1, 2, "Identifier"]])
+        },
+        {
+            code:
+            "foo(bar, baz,\n" +
+            "         qux);",
+            output:
+            "foo(bar, baz,\n" +
+            "    qux);",
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([2, 4, 9, "Identifier"])
+        },
+        {
+            code:
+            "foo(\n" +
+            "          bar,\n" +
+            "    baz);",
+            output:
+            "foo(\n" +
+            "          bar,\n" +
+            "          baz);",
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([3, 10, 4, "Identifier"])
+        },
+        {
+            code:
+            "foo(bar,\n" +
+            "  1 + 2,\n" +
+            "              !baz,\n" +
+            "        new Car('!')\n" +
+            ");",
+            output:
+            "foo(bar,\n" +
+            "      1 + 2,\n" +
+            "      !baz,\n" +
+            "      new Car('!')\n" +
+            ");",
+            options: [2, { CallExpression: { arguments: 3 } }],
+            errors: expectedErrors([[2, 6, 2, "BinaryExpression"], [3, 6, 14, "UnaryExpression"], [4, 6, 8, "NewExpression"]])
+        },
+
+        // https://github.com/eslint/eslint/issues/7573
+        {
+            code:
+            "return (\n" +
+            "    foo\n" +
+            "    );",
+            output:
+            "return (\n" +
+            "    foo\n" +
+            ");",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: expectedErrors([3, 0, 4, "ReturnStatement"])
+        },
+        {
+            code:
+            "return (\n" +
+            "    foo\n" +
+            "    )",
+            output:
+            "return (\n" +
+            "    foo\n" +
+            ")",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: expectedErrors([3, 0, 4, "ReturnStatement"])
+        },
+
+        // https://github.com/eslint/eslint/issues/7604
+        {
+            code:
+            "if (foo) {\n" +
+            "        /* comment */bar();\n" +
+            "}",
+            output:
+            "if (foo) {\n" +
+            "    /* comment */bar();\n" +
+            "}",
+            errors: expectedErrors([2, 4, 8, "ExpressionStatement"])
+        },
+        {
+            code:
+            "foo('bar',\n" +
+            "        /** comment */{\n" +
+            "        ok: true" +
+            "    });",
+            output:
+            "foo('bar',\n" +
+            "    /** comment */{\n" +
+            "        ok: true" +
+            "    });",
+            errors: expectedErrors([2, 4, 8, "ObjectExpression"])
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "           bar,\n" +
+            "  baz\n" +
+            "          ]",
+            output:
+            "var foo = [\n" +
+            "    bar,\n" +
+            "    baz\n" +
+            "]",
+            errors: expectedErrors([[2, 4, 11, "Identifier"], [3, 4, 2, "Identifier"], [4, 0, 10, "ArrayExpression"]])
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "baz,\n" +
+            "    qux\n" +
+            "]",
+            output:
+            "var foo = [bar,\n" +
+            "    baz,\n" +
+            "    qux\n" +
+            "]",
+            errors: expectedErrors([2, 4, 0, "Identifier"])
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "  baz,\n" +
+            "  qux\n" +
+            "]",
+            output:
+            "var foo = [bar,\n" +
+            "baz,\n" +
+            "qux\n" +
+            "]",
+            options: [2, { ArrayExpression: 0 }],
+            errors: expectedErrors([[2, 0, 2, "Identifier"], [3, 0, 2, "Identifier"]])
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "  baz,\n" +
+            "  qux\n" +
+            "]",
+            output:
+            "var foo = [bar,\n" +
+            "                baz,\n" +
+            "                qux\n" +
+            "]",
+            options: [2, { ArrayExpression: 8 }],
+            errors: expectedErrors([[2, 16, 2, "Identifier"], [3, 16, 2, "Identifier"]])
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "    baz,\n" +
+            "    qux\n" +
+            "]",
+            output:
+            "var foo = [bar,\n" +
+            "           baz,\n" +
+            "           qux\n" +
+            "]",
+            options: [2, { ArrayExpression: "first" }],
+            errors: expectedErrors([[2, 11, 4, "Identifier"], [3, 11, 4, "Identifier"]])
+        },
+        {
+            code:
+            "var foo = [bar,\n" +
+            "    baz, qux\n" +
+            "]",
+            output:
+            "var foo = [bar,\n" +
+            "           baz, qux\n" +
+            "]",
+            options: [2, { ArrayExpression: "first" }],
+            errors: expectedErrors([2, 11, 4, "Identifier"])
+        },
+        {
+            code:
+            "var foo = [\n" +
+            "        { bar: 1,\n" +
+            "            baz: 2 },\n" +
+            "        { bar: 3,\n" +
+            "            qux: 4 }\n" +
+            "]",
+            output:
+            "var foo = [\n" +
+            "        { bar: 1,\n" +
+            "          baz: 2 },\n" +
+            "        { bar: 3,\n" +
+            "          qux: 4 }\n" +
+            "]",
+            options: [4, { ArrayExpression: 2, ObjectExpression: "first" }],
+            errors: expectedErrors([[3, 10, 12, "Property"], [5, 10, 12, "Property"]])
+        },
+        {
+            code:
+            "var foo = {\n" +
+            "  bar: 1,\n" +
+            "  baz: 2\n" +
+            "};",
+            output:
+            "var foo = {\n" +
+            "bar: 1,\n" +
+            "baz: 2\n" +
+            "};",
+            options: [2, { ObjectExpression: 0 }],
+            errors: expectedErrors([[2, 0, 2, "Property"], [3, 0, 2, "Property"]])
+        },
+        {
+            code:
+            "var quux = { foo: 1, bar: 2,\n" +
+            "baz: 3 }",
+            output:
+            "var quux = { foo: 1, bar: 2,\n" +
+            "             baz: 3 }",
+            options: [2, { ObjectExpression: "first" }],
+            errors: expectedErrors([2, 13, 0, "Property"])
+        },
+        {
+            code:
+            "function foo() {\n" +
+            "    [\n" +
+            "            foo\n" +
+            "    ]\n" +
+            "}",
+            output:
+            "function foo() {\n" +
+            "  [\n" +
+            "            foo\n" +
+            "    ]\n" +
+            "}",
+            options: [2, { ArrayExpression: 4 }],
+            errors: expectedErrors([2, 2, 4, "ExpressionStatement"])
+        },
+        {
+            code:
+            "echo = spawn('cmd.exe',\n" +
+            "            ['foo', 'bar',\n" +
+            "             'baz']);",
+            output:
+            "echo = spawn('cmd.exe',\n" +
+            "             ['foo', 'bar',\n" +
+            "             'baz']);",
+            options: [2, { ArrayExpression: "first", CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([2, 13, 12, "ArrayExpression"])
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/indent.js b/eslint/tests/lib/rules/indent.js
new file mode 100644
index 0000000..7496da2
--- /dev/null
+++ b/eslint/tests/lib/rules/indent.js
@@ -0,0 +1,11379 @@
+/**
+ * @fileoverview This option sets a specific tab width for your code
+ * @author Dmitriy Shekhovtsov
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/indent"),
+    { RuleTester } = require("../../../lib/rule-tester");
+const fs = require("fs");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const fixture = fs.readFileSync(path.join(__dirname, "../../fixtures/rules/indent/indent-invalid-fixture-1.js"), "utf8");
+const fixedFixture = fs.readFileSync(path.join(__dirname, "../../fixtures/rules/indent/indent-valid-fixture-1.js"), "utf8");
+const parser = require("../../fixtures/fixture-parser");
+const { unIndent } = require("../_utils");
+
+
+/**
+ * Create error message object for failure cases with a single 'found' indentation type
+ * @param {string} providedIndentType indent type of string or tab
+ * @param {Array} providedErrors error info
+ * @returns {Object} returns the error messages collection
+ * @private
+ */
+function expectedErrors(providedIndentType, providedErrors) {
+    let indentType;
+    let errors;
+
+    if (Array.isArray(providedIndentType)) {
+        errors = Array.isArray(providedIndentType[0]) ? providedIndentType : [providedIndentType];
+        indentType = "space";
+    } else {
+        errors = Array.isArray(providedErrors[0]) ? providedErrors : [providedErrors];
+        indentType = providedIndentType;
+    }
+
+    return errors.map(err => ({
+        messageId: "wrongIndentation",
+        data: {
+            expected: typeof err[1] === "string" && typeof err[2] === "string"
+                ? err[1]
+                : `${err[1]} ${indentType}${err[1] === 1 ? "" : "s"}`,
+            actual: err[2]
+        },
+        type: err[3],
+        line: err[0]
+    }));
+}
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 8, ecmaFeatures: { jsx: true } } });
+
+ruleTester.run("indent", rule, {
+    valid: [
+        {
+            code: unIndent`
+                bridge.callHandler(
+                  'getAppVersion', 'test23', function(responseData) {
+                    window.ah.mobileAppVersion = responseData;
+                  }
+                );
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                bridge.callHandler(
+                  'getAppVersion', 'test23', function(responseData) {
+                    window.ah.mobileAppVersion = responseData;
+                  });
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                bridge.callHandler(
+                  'getAppVersion',
+                  null,
+                  function responseCallback(responseData) {
+                    window.ah.mobileAppVersion = responseData;
+                  }
+                );
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                bridge.callHandler(
+                  'getAppVersion',
+                  null,
+                  function responseCallback(responseData) {
+                    window.ah.mobileAppVersion = responseData;
+                  });
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function doStuff(keys) {
+                    _.forEach(
+                        keys,
+                        key => {
+                            doSomething(key);
+                        }
+                    );
+                }
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                example(
+                    function () {
+                        console.log('example');
+                    }
+                );
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                let foo = somethingList
+                    .filter(x => {
+                        return x;
+                    })
+                    .map(x => {
+                        return 100 * x;
+                    });
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var x = 0 &&
+                    {
+                        a: 1,
+                        b: 2
+                    };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var x = 0 &&
+                \t{
+                \t\ta: 1,
+                \t\tb: 2
+                \t};
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                var x = 0 &&
+                    {
+                        a: 1,
+                        b: 2
+                    }||
+                    {
+                        c: 3,
+                        d: 4
+                    };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var x = [
+                    'a',
+                    'b',
+                    'c'
+                ];
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var x = ['a',
+                    'b',
+                    'c',
+                ];
+            `,
+            options: [4]
+        },
+        {
+            code: "var x = 0 && 1;",
+            options: [4]
+        },
+        {
+            code: "var x = 0 && { a: 1, b: 2 };",
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var x = 0 &&
+                    (
+                        1
+                    );
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                require('http').request({hostname: 'localhost',
+                  port: 80}, function(res) {
+                  res.end();
+                });
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function test() {
+                  return client.signUp(email, PASSWORD, { preVerified: true })
+                    .then(function (result) {
+                      // hi
+                    })
+                    .then(function () {
+                      return FunctionalHelpers.clearBrowserState(self, {
+                        contentServer: true,
+                        contentServer1: true
+                      });
+                    });
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                it('should... some lengthy test description that is forced to be' +
+                  'wrapped into two lines since the line length limit is set', () => {
+                  expect(true).toBe(true);
+                });
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function test() {
+                    return client.signUp(email, PASSWORD, { preVerified: true })
+                        .then(function (result) {
+                            var x = 1;
+                            var y = 1;
+                        }, function(err){
+                            var o = 1 - 2;
+                            var y = 1 - 2;
+                            return true;
+                        })
+                }
+            `,
+            options: [4]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11802
+            code: unIndent`
+                import foo from "foo"
+
+                ;(() => {})()
+            `,
+            options: [4],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                function test() {
+                    return client.signUp(email, PASSWORD, { preVerified: true })
+                    .then(function (result) {
+                        var x = 1;
+                        var y = 1;
+                    }, function(err){
+                        var o = 1 - 2;
+                        var y = 1 - 2;
+                        return true;
+                    });
+                }
+            `,
+            options: [4, { MemberExpression: 0 }]
+        },
+
+        {
+            code: "// hi",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var Command = function() {
+                  var fileList = [],
+                      files = []
+
+                  files.concat(fileList)
+                };
+            `,
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }]
+        },
+        {
+            code: "  ",
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                if(data) {
+                  console.log('hi');
+                  b = true;};
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                foo = () => {
+                  console.log('hi');
+                  return true;};
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                function test(data) {
+                  console.log('hi');
+                  return true;};
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var test = function(data) {
+                  console.log('hi');
+                };
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                arr.forEach(function(data) {
+                  otherdata.forEach(function(zero) {
+                    console.log('hi');
+                  }) });
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                a = [
+                    ,3
+                ]
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                [
+                  ['gzip', 'gunzip'],
+                  ['gzip', 'unzip'],
+                  ['deflate', 'inflate'],
+                  ['deflateRaw', 'inflateRaw'],
+                ].forEach(function(method) {
+                  console.log(method);
+                });
+            `,
+            options: [2, { SwitchCase: 1, VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                test(123, {
+                    bye: {
+                        hi: [1,
+                            {
+                                b: 2
+                            }
+                        ]
+                    }
+                });
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var xyz = 2,
+                    lmn = [
+                        {
+                            a: 1
+                        }
+                    ];
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                lmnn = [{
+                    a: 1
+                },
+                {
+                    b: 2
+                }, {
+                    x: 2
+                }];
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        unIndent`
+            [{
+                foo: 1
+            }, {
+                foo: 2
+            }, {
+                foo: 3
+            }]
+        `,
+        unIndent`
+            foo([
+                bar
+            ], [
+                baz
+            ], [
+                qux
+            ]);
+        `,
+        {
+            code: unIndent`
+                abc({
+                    test: [
+                        [
+                            c,
+                            xyz,
+                            2
+                        ].join(',')
+                    ]
+                });
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                abc = {
+                  test: [
+                    [
+                      c,
+                      xyz,
+                      2
+                    ]
+                  ]
+                };
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                abc(
+                  {
+                    a: 1,
+                    b: 2
+                  }
+                );
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                abc({
+                    a: 1,
+                    b: 2
+                });
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var abc =
+                  [
+                    c,
+                    xyz,
+                    {
+                      a: 1,
+                      b: 2
+                    }
+                  ];
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var abc = [
+                  c,
+                  xyz,
+                  {
+                    a: 1,
+                    b: 2
+                  }
+                ];
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var abc = 5,
+                    c = 2,
+                    xyz =
+                    {
+                      a: 1,
+                      b: 2
+                    };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        unIndent`
+            var
+                x = {
+                    a: 1,
+                },
+                y = {
+                    b: 2
+                }
+        `,
+        unIndent`
+            const
+                x = {
+                    a: 1,
+                },
+                y = {
+                    b: 2
+                }
+        `,
+        unIndent`
+            let
+                x = {
+                    a: 1,
+                },
+                y = {
+                    b: 2
+                }
+        `,
+        unIndent`
+            var foo = { a: 1 }, bar = {
+                b: 2
+            };
+        `,
+        unIndent`
+            var foo = { a: 1 }, bar = {
+                    b: 2
+                },
+                baz = {
+                    c: 3
+                }
+        `,
+        unIndent`
+            const {
+                    foo
+                } = 1,
+                bar = 2
+        `,
+        {
+            code: unIndent`
+                var foo = 1,
+                  bar =
+                    2
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var foo = 1,
+                  bar
+                    = 2
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var foo
+                  = 1,
+                  bar
+                    = 2
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var foo
+                  =
+                  1,
+                  bar
+                    =
+                    2
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var foo
+                  = (1),
+                  bar
+                    = (2)
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                let foo = 'foo',
+                    bar = bar;
+                const a = 'a',
+                      b = 'b';
+            `,
+            options: [2, { VariableDeclarator: "first" }]
+        },
+        {
+            code: unIndent`
+                let foo = 'foo',
+                    bar = bar  // <-- no semicolon here
+                const a = 'a',
+                      b = 'b'  // <-- no semicolon here
+            `,
+            options: [2, { VariableDeclarator: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = 1,
+                    bar = 2,
+                    baz = 3
+                ;
+            `,
+            options: [2, { VariableDeclarator: { var: 2 } }]
+        },
+        {
+            code: unIndent`
+                var foo = 1,
+                    bar = 2,
+                    baz = 3
+                    ;
+            `,
+            options: [2, { VariableDeclarator: { var: 2 } }]
+        },
+        {
+            code: unIndent`
+                var foo = 'foo',
+                    bar = bar;
+            `,
+            options: [2, { VariableDeclarator: { var: "first" } }]
+        },
+        {
+            code: unIndent`
+                var foo = 'foo',
+                    bar = 'bar'  // <-- no semicolon here
+            `,
+            options: [2, { VariableDeclarator: { var: "first" } }]
+        },
+        {
+            code: unIndent`
+            let foo = 1,
+                bar = 2,
+                baz
+            `,
+            options: [2, { VariableDeclarator: "first" }]
+        },
+        {
+            code: unIndent`
+            let
+                foo
+            `,
+            options: [4, { VariableDeclarator: "first" }]
+        },
+        {
+            code: unIndent`
+            let foo = 1,
+                bar =
+                2
+            `,
+            options: [2, { VariableDeclarator: "first" }]
+        },
+        {
+            code: unIndent`
+                var abc =
+                    {
+                      a: 1,
+                      b: 2
+                    };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a = new abc({
+                        a: 1,
+                        b: 2
+                    }),
+                    b = 2;
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a = 2,
+                  c = {
+                    a: 1,
+                    b: 2
+                  },
+                  b = 2;
+            `,
+            options: [2, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var x = 2,
+                    y = {
+                      a: 1,
+                      b: 2
+                    },
+                    b = 2;
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var e = {
+                      a: 1,
+                      b: 2
+                    },
+                    b = 2;
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a = {
+                  a: 1,
+                  b: 2
+                };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                function test() {
+                  if (true ||
+                            false){
+                    console.log(val);
+                  }
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        unIndent`
+            var foo = bar ||
+                !(
+                    baz
+                );
+        `,
+        unIndent`
+            for (var foo = 1;
+                foo < 10;
+                foo++) {}
+        `,
+        unIndent`
+            for (
+                var foo = 1;
+                foo < 10;
+                foo++
+            ) {}
+        `,
+        {
+            code: unIndent`
+                for (var val in obj)
+                  if (true)
+                    console.log(val);
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                if(true)
+                  if (true)
+                    if (true)
+                      console.log(val);
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                function hi(){     var a = 1;
+                  y++;                   x++;
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                for(;length > index; index++)if(NO_HOLES || index in self){
+                  x++;
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                function test(){
+                  switch(length){
+                    case 1: return function(a){
+                      return fn.call(that, a);
+                    };
+                  }
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var geometry = 2,
+                rotate = 2;
+            `,
+            options: [2, { VariableDeclarator: 0 }]
+        },
+        {
+            code: unIndent`
+                var geometry,
+                    rotate;
+            `,
+            options: [4, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var geometry,
+                \trotate;
+            `,
+            options: ["tab", { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var geometry,
+                  rotate;
+            `,
+            options: [2, { VariableDeclarator: 1 }]
+        },
+        {
+            code: unIndent`
+                var geometry,
+                    rotate;
+            `,
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                let geometry,
+                    rotate;
+            `,
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                const geometry = 2,
+                    rotate = 3;
+            `,
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,
+                  height, rotate;
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code: "var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth;",
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                if (1 < 2){
+                //hi sd
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                while (1 < 2){
+                  //hi sd
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: "while (1 < 2) console.log('hi');",
+            options: [2]
+        },
+
+        {
+            code: unIndent`
+                [a, boop,
+                    c].forEach((index) => {
+                    index;
+                });
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                [a, b,
+                    c].forEach(function(index){
+                    return index;
+                });
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                [a, b, c].forEach((index) => {
+                    index;
+                });
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                [a, b, c].forEach(function(index){
+                    return index;
+                });
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                (foo)
+                    .bar([
+                        baz
+                    ]);
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                switch (x) {
+                    case "foo":
+                        a();
+                        break;
+                    case "bar":
+                        switch (y) {
+                            case "1":
+                                break;
+                            case "2":
+                                a = 6;
+                                break;
+                        }
+                    case "test":
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                switch (x) {
+                        case "foo":
+                            a();
+                            break;
+                        case "bar":
+                            switch (y) {
+                                    case "1":
+                                        break;
+                                    case "2":
+                                        a = 6;
+                                        break;
+                            }
+                        case "test":
+                            break;
+                }
+            `,
+            options: [4, { SwitchCase: 2 }]
+        },
+        unIndent`
+            switch (a) {
+            case "foo":
+                a();
+                break;
+            case "bar":
+                switch(x){
+                case '1':
+                    break;
+                case '2':
+                    a = 6;
+                    break;
+                }
+            }
+        `,
+        unIndent`
+            switch (a) {
+            case "foo":
+                a();
+                break;
+            case "bar":
+                if(x){
+                    a = 2;
+                }
+                else{
+                    a = 6;
+                }
+            }
+        `,
+        unIndent`
+            switch (a) {
+            case "foo":
+                a();
+                break;
+            case "bar":
+                if(x){
+                    a = 2;
+                }
+                else
+                    a = 6;
+            }
+        `,
+        unIndent`
+            switch (a) {
+            case "foo":
+                a();
+                break;
+            case "bar":
+                a(); break;
+            case "baz":
+                a(); break;
+            }
+        `,
+        unIndent`
+            switch (0) {
+            }
+        `,
+        unIndent`
+            function foo() {
+                var a = "a";
+                switch(a) {
+                case "a":
+                    return "A";
+                case "b":
+                    return "B";
+                }
+            }
+            foo();
+        `,
+        {
+            code: unIndent`
+                switch(value){
+                    case "1":
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        a();
+                        break;
+                }
+                switch(value){
+                    case "1":
+                        a();
+                        break;
+                    case "2":
+                        break;
+                    default:
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }]
+        },
+        unIndent`
+            var obj = {foo: 1, bar: 2};
+            with (obj) {
+                console.log(foo + bar);
+            }
+        `,
+        unIndent`
+            if (a) {
+                (1 + 2 + 3); // no error on this line
+            }
+        `,
+        "switch(value){ default: a(); break; }",
+        {
+            code: unIndent`
+                import {addons} from 'react/addons'
+                import React from 'react'
+            `,
+            options: [2],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                import {
+                    foo,
+                    bar,
+                    baz
+                } from 'qux';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                var foo = 0, bar = 0; baz = 0;
+                export {
+                    foo,
+                    bar,
+                    baz
+                } from 'qux';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                var a = 1,
+                    b = 2,
+                    c = 3;
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var a = 1
+                    ,b = 2
+                    ,c = 3;
+            `,
+            options: [4]
+        },
+        {
+            code: "while (1 < 2) console.log('hi')",
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function salutation () {
+                  switch (1) {
+                    case 0: return console.log('hi')
+                    case 1: return console.log('hey')
+                  }
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var items = [
+                  {
+                    foo: 'bar'
+                  }
+                ];
+            `,
+            options: [2, { VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                const a = 1,
+                      b = 2;
+                const items1 = [
+                  {
+                    foo: 'bar'
+                  }
+                ];
+                const items2 = Items(
+                  {
+                    foo: 'bar'
+                  }
+                );
+            `,
+            options: [2, { VariableDeclarator: 3 }]
+
+        },
+        {
+            code: unIndent`
+                const geometry = 2,
+                      rotate = 3;
+                var a = 1,
+                  b = 2;
+                let light = true,
+                    shadow = false;
+            `,
+            options: [2, { VariableDeclarator: { const: 3, let: 2 } }]
+        },
+        {
+            code: unIndent`
+                const abc = 5,
+                      c = 2,
+                      xyz =
+                      {
+                        a: 1,
+                        b: 2
+                      };
+                let abc2 = 5,
+                  c2 = 2,
+                  xyz2 =
+                  {
+                    a: 1,
+                    b: 2
+                  };
+                var abc3 = 5,
+                    c3 = 2,
+                    xyz3 =
+                    {
+                      a: 1,
+                      b: 2
+                    };
+            `,
+            options: [2, { VariableDeclarator: { var: 2, const: 3 }, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                module.exports = {
+                  'Unit tests':
+                  {
+                    rootPath: './',
+                    environment: 'node',
+                    tests:
+                    [
+                      'test/test-*.js'
+                    ],
+                    sources:
+                    [
+                      '*.js',
+                      'test/**.js'
+                    ]
+                  }
+                };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                foo =
+                  bar;
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                foo = (
+                  bar
+                );
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var path     = require('path')
+                  , crypto    = require('crypto')
+                  ;
+            `,
+            options: [2]
+        },
+        unIndent`
+            var a = 1
+                ,b = 2
+                ;
+        `,
+        {
+            code: unIndent`
+                export function create (some,
+                                        argument) {
+                  return Object.create({
+                    a: some,
+                    b: argument
+                  });
+                };
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first" } }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                export function create (id, xfilter, rawType,
+                                        width=defaultWidth, height=defaultHeight,
+                                        footerHeight=defaultFooterHeight,
+                                        padding=defaultPadding) {
+                  // ... function body, indented two spaces
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first" } }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                var obj = {
+                  foo: function () {
+                    return new p()
+                      .then(function (ok) {
+                        return ok;
+                      }, function () {
+                        // ignore things
+                      });
+                  }
+                };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                a.b()
+                  .c(function(){
+                    var a;
+                  }).d.e;
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const YO = 'bah',
+                      TE = 'mah'
+
+                var res,
+                    a = 5,
+                    b = 4
+            `,
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }]
+        },
+        {
+            code: unIndent`
+                const YO = 'bah',
+                      TE = 'mah'
+
+                var res,
+                    a = 5,
+                    b = 4
+
+                if (YO) console.log(TE)
+            `,
+            options: [2, { VariableDeclarator: { var: 2, let: 2, const: 3 } }]
+        },
+        {
+            code: unIndent`
+                var foo = 'foo',
+                  bar = 'bar',
+                  baz = function() {
+
+                  }
+
+                function hello () {
+
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var obj = {
+                  send: function () {
+                    return P.resolve({
+                      type: 'POST'
+                    })
+                      .then(function () {
+                        return true;
+                      }, function () {
+                        return false;
+                      });
+                  }
+                };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var obj = {
+                  send: function () {
+                    return P.resolve({
+                      type: 'POST'
+                    })
+                    .then(function () {
+                      return true;
+                    }, function () {
+                      return false;
+                    });
+                  }
+                };
+            `,
+            options: [2, { MemberExpression: 0 }]
+        },
+        unIndent`
+            const someOtherFunction = argument => {
+                    console.log(argument);
+                },
+                someOtherValue = 'someOtherValue';
+        `,
+        {
+            code: unIndent`
+                [
+                  'a',
+                  'b'
+                ].sort().should.deepEqual([
+                  'x',
+                  'y'
+                ]);
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var a = 1,
+                    B = class {
+                      constructor(){}
+                      a(){}
+                      get b(){}
+                    };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a = 1,
+                    B =
+                    class {
+                      constructor(){}
+                      a(){}
+                      get b(){}
+                    },
+                    c = 3;
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                class A{
+                    constructor(){}
+                    a(){}
+                    get b(){}
+                }
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var A = class {
+                    constructor(){}
+                    a(){}
+                    get b(){}
+                }
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a = {
+                  some: 1
+                  , name: 2
+                };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                a.c = {
+                    aa: function() {
+                        'test1';
+                        return 'aa';
+                    }
+                    , bb: function() {
+                        return this.bb();
+                    }
+                };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var a =
+                {
+                    actions:
+                    [
+                        {
+                            name: 'compile'
+                        }
+                    ]
+                };
+            `,
+            options: [4, { VariableDeclarator: 0, SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                var a =
+                [
+                    {
+                        name: 'compile'
+                    }
+                ];
+            `,
+            options: [4, { VariableDeclarator: 0, SwitchCase: 1 }]
+        },
+        unIndent`
+            [[
+            ], function(
+                foo
+            ) {}
+            ]
+        `,
+        unIndent`
+            define([
+                'foo'
+            ], function(
+                bar
+            ) {
+                baz;
+            }
+            )
+        `,
+        {
+            code: unIndent`
+                const func = function (opts) {
+                    return Promise.resolve()
+                    .then(() => {
+                        [
+                            'ONE', 'TWO'
+                        ].forEach(command => { doSomething(); });
+                    });
+                };
+            `,
+            options: [4, { MemberExpression: 0 }]
+        },
+        {
+            code: unIndent`
+                const func = function (opts) {
+                    return Promise.resolve()
+                        .then(() => {
+                            [
+                                'ONE', 'TWO'
+                            ].forEach(command => { doSomething(); });
+                        });
+                };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var haveFun = function () {
+                    SillyFunction(
+                        {
+                            value: true,
+                        },
+                        {
+                            _id: true,
+                        }
+                    );
+                };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                var haveFun = function () {
+                    new SillyFunction(
+                        {
+                            value: true,
+                        },
+                        {
+                            _id: true,
+                        }
+                    );
+                };
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                let object1 = {
+                  doThing() {
+                    return _.chain([])
+                      .map(v => (
+                        {
+                          value: true,
+                        }
+                      ))
+                      .value();
+                  }
+                };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var foo = {
+                    bar: 1,
+                    baz: {
+                      qux: 2
+                    }
+                  },
+                  bar = 1;
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                class Foo
+                  extends Bar {
+                  baz() {}
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                class Foo extends
+                  Bar {
+                  baz() {}
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                class Foo extends
+                  (
+                    Bar
+                  ) {
+                  baz() {}
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                fs.readdirSync(path.join(__dirname, '../rules')).forEach(name => {
+                  files[name] = foo;
+                });
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                (function(){
+                function foo(x) {
+                  return x + 1;
+                }
+                })();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                (function(){
+                        function foo(x) {
+                            return x + 1;
+                        }
+                })();
+            `,
+            options: [4, { outerIIFEBody: 2 }]
+        },
+        {
+            code: unIndent`
+                (function(x, y){
+                function foo(x) {
+                  return x + 1;
+                }
+                })(1, 2);
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                (function(){
+                function foo(x) {
+                  return x + 1;
+                }
+                }());
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                !function(){
+                function foo(x) {
+                  return x + 1;
+                }
+                }();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                !function(){
+                \t\t\tfunction foo(x) {
+                \t\t\t\treturn x + 1;
+                \t\t\t}
+                }();
+            `,
+            options: ["tab", { outerIIFEBody: 3 }]
+        },
+        {
+            code: unIndent`
+                var out = function(){
+                  function fooVar(x) {
+                    return x + 1;
+                  }
+                };
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                var ns = function(){
+                function fooVar(x) {
+                  return x + 1;
+                }
+                }();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                ns = function(){
+                function fooVar(x) {
+                  return x + 1;
+                }
+                }();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                var ns = (function(){
+                function fooVar(x) {
+                  return x + 1;
+                }
+                }(x));
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                var ns = (function(){
+                        function fooVar(x) {
+                            return x + 1;
+                        }
+                }(x));
+            `,
+            options: [4, { outerIIFEBody: 2 }]
+        },
+        {
+            code: unIndent`
+                var obj = {
+                  foo: function() {
+                    return true;
+                  }
+                };
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                while (
+                  function() {
+                    return true;
+                  }()) {
+
+                  x = x + 1;
+                };
+            `,
+            options: [2, { outerIIFEBody: 20 }]
+        },
+        {
+            code: unIndent`
+                (() => {
+                function foo(x) {
+                  return x + 1;
+                }
+                })();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                }
+            `,
+            options: ["tab", { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                ;(() => {
+                function foo(x) {
+                  return x + 1;
+                }
+                })();
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                if(data) {
+                  console.log('hi');
+                }
+            `,
+            options: [2, { outerIIFEBody: 0 }]
+        },
+        {
+            code: unIndent`
+                (function(x) {
+                    return x + 1;
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }]
+        },
+        {
+            code: unIndent`
+                (function(x) {
+                return x + 1;
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }]
+        },
+        {
+            code: unIndent`
+                ;(() => {
+                    function x(y) {
+                        return y + 1;
+                    }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }]
+        },
+        {
+            code: unIndent`
+                ;(() => {
+                function x(y) {
+                    return y + 1;
+                }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                }
+            `,
+            options: [4, { outerIIFEBody: "off" }]
+        },
+        {
+            code: "Buffer.length",
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                Buffer
+                    .indexOf('a')
+                    .toString()
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                Buffer.
+                    length
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                Buffer
+                    .foo
+                    .bar
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                Buffer
+                \t.foo
+                \t.bar
+            `,
+            options: ["tab", { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                Buffer
+                    .foo
+                    .bar
+            `,
+            options: [2, { MemberExpression: 2 }]
+        },
+        unIndent`
+            (
+                foo
+                    .bar
+            )
+        `,
+        unIndent`
+            (
+                (
+                    foo
+                        .bar
+                )
+            )
+        `,
+        unIndent`
+            (
+                foo
+            )
+                .bar
+        `,
+        unIndent`
+            (
+                (
+                    foo
+                )
+                    .bar
+            )
+        `,
+        unIndent`
+            (
+                (
+                    foo
+                )
+                    [
+                        (
+                            bar
+                        )
+                    ]
+            )
+        `,
+        unIndent`
+            (
+                foo[bar]
+            )
+                .baz
+        `,
+        unIndent`
+            (
+                (foo.bar)
+            )
+                .baz
+        `,
+        {
+            code: unIndent`
+                MemberExpression
+                .can
+                  .be
+                    .turned
+                 .off();
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                foo = bar.baz()
+                    .bip();
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        unIndent`
+            function foo() {
+                new
+                    .target
+            }
+        `,
+        unIndent`
+            function foo() {
+                new.
+                    target
+            }
+        `,
+        {
+            code: unIndent`
+                if (foo) {
+                  bar();
+                } else if (baz) {
+                  foobar();
+                } else if (qux) {
+                  qux();
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                  bbb, ccc, ddd) {
+                    bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: 1, body: 2 } }]
+        },
+        {
+            code: unIndent`
+                function foo(aaa, bbb,
+                      ccc, ddd) {
+                  bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: 3, body: 1 } }]
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                    bbb,
+                    ccc) {
+                            bar();
+                }
+            `,
+            options: [4, { FunctionDeclaration: { parameters: 1, body: 3 } }]
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                             bbb, ccc,
+                             ddd, eee, fff) {
+                  bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 1 } }]
+        },
+        {
+            code: unIndent`
+                function foo(aaa, bbb)
+                {
+                      bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 3 } }]
+        },
+        {
+            code: unIndent`
+                function foo(
+                  aaa,
+                  bbb) {
+                    bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 2 } }]
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                    bbb,
+                    ccc,
+                    ddd) {
+                bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 2, body: 0 } }]
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                  bbb,
+                  ccc) {
+                                    bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 1, body: 10 } }]
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                                   bbb, ccc, ddd,
+                                   eee, fff) {
+                    bar();
+                }
+            `,
+            options: [4, { FunctionExpression: { parameters: "first", body: 1 } }]
+        },
+        {
+            code: unIndent`
+                var foo = function(
+                  aaa, bbb, ccc,
+                  ddd, eee) {
+                      bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: "first", body: 3 } }]
+        },
+        {
+            code: unIndent`
+                foo.bar(
+                      baz, qux, function() {
+                            qux;
+                      }
+                );
+            `,
+            options: [2, { FunctionExpression: { body: 3 }, CallExpression: { arguments: 3 } }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  bar();
+                  \tbaz();
+                \t   \t\t\t  \t\t\t  \t   \tqux();
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  function bar() {
+                    baz();
+                  }
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 1 } }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  bar();
+                   \t\t}
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  function bar(baz,
+                      qux) {
+                    foobar();
+                  }
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 1, parameters: 2 } }]
+        },
+        {
+            code: unIndent`
+                ((
+                    foo
+                ))
+            `,
+            options: [4]
+        },
+
+        // ternary expressions (https://github.com/eslint/eslint/issues/7420)
+        {
+            code: unIndent`
+                foo
+                  ? bar
+                  : baz
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                foo = (bar ?
+                  baz :
+                  qux
+                );
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+              condition
+                ? () => {
+                  return true
+                }
+                : condition2
+                  ? () => {
+                    return true
+                  }
+                  : () => {
+                    return false
+                  }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+              condition
+                ? () => {
+                  return true
+                }
+                : condition2
+                  ? () => {
+                    return true
+                  }
+                  : () => {
+                    return false
+                  }
+            `,
+            options: [2, { offsetTernaryExpressions: false }]
+        },
+        {
+            code: unIndent`
+              condition
+                ? () => {
+                    return true
+                  }
+                : condition2
+                  ? () => {
+                      return true
+                    }
+                  : () => {
+                      return false
+                    }
+            `,
+            options: [2, { offsetTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+              condition
+                  ? () => {
+                          return true
+                      }
+                  : condition2
+                      ? () => {
+                              return true
+                          }
+                      : () => {
+                              return false
+                          }
+            `,
+            options: [4, { offsetTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+              condition
+              \t? () => {
+              \t\t\treturn true
+              \t\t}
+              \t: condition2
+              \t\t? () => {
+              \t\t\t\treturn true
+              \t\t\t}
+              \t\t: () => {
+              \t\t\t\treturn false
+              \t\t\t}
+            `,
+            options: ["tab", { offsetTernaryExpressions: true }]
+        },
+        unIndent`
+            [
+                foo ?
+                    bar :
+                    baz,
+                qux
+            ];
+        `,
+        {
+
+            /*
+             * Checking comments:
+             * https://github.com/eslint/eslint/issues/3845, https://github.com/eslint/eslint/issues/6571
+             */
+            code: unIndent`
+                foo();
+                // Line
+                /* multiline
+                  Line */
+                bar();
+                // trailing comment
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                switch (foo) {
+                  case bar:
+                    baz();
+                    // call the baz function
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+            code: unIndent`
+                switch (foo) {
+                  case bar:
+                    baz();
+                  // no default
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        unIndent`
+            [
+                // no elements
+            ]
+        `,
+        {
+
+            /*
+             * Destructuring assignments:
+             * https://github.com/eslint/eslint/issues/6813
+             */
+            code: unIndent`
+                var {
+                  foo,
+                  bar,
+                  baz: qux,
+                  foobar: baz = foobar
+                } = qux;
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var [
+                  foo,
+                  bar,
+                  baz,
+                  foobar = baz
+                ] = qux;
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const {
+                  a
+                }
+                =
+                {
+                  a: 1
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const {
+                  a
+                } = {
+                  a: 1
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const
+                  {
+                    a
+                  } = {
+                    a: 1
+                  };
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const
+                  foo = {
+                    bar: 1
+                  }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                const [
+                  a
+                ] = [
+                  1
+                ]
+            `,
+            options: [2]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7233
+            code: unIndent`
+                var folder = filePath
+                    .foo()
+                    .bar;
+            `,
+            options: [2, { MemberExpression: 2 }]
+        },
+        {
+            code: unIndent`
+                for (const foo of bar)
+                  baz();
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var x = () =>
+                  5;
+            `,
+            options: [2]
+        },
+        unIndent`
+            (
+                foo
+            )(
+                bar
+            )
+        `,
+        unIndent`
+            (() =>
+                foo
+            )(
+                bar
+            )
+        `,
+        unIndent`
+            (() => {
+                foo();
+            })(
+                bar
+            )
+        `,
+        {
+
+            // Don't lint the indentation of the first token after a :
+            code: unIndent`
+                ({code:
+                  "foo.bar();"})
+            `,
+            options: [2]
+        },
+        {
+
+            // Don't lint the indentation of the first token after a :
+            code: unIndent`
+                ({code:
+                "foo.bar();"})
+            `,
+            options: [2]
+        },
+        unIndent`
+            ({
+                foo:
+                    bar
+            })
+        `,
+        unIndent`
+            ({
+                [foo]:
+                    bar
+            })
+        `,
+        {
+
+            // Comments in switch cases
+            code: unIndent`
+                switch (foo) {
+                  // comment
+                  case study:
+                    // comment
+                    bar();
+                  case closed:
+                    /* multiline comment
+                    */
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+
+            // Comments in switch cases
+            code: unIndent`
+                switch (foo) {
+                  // comment
+                  case study:
+                  // the comment can also be here
+                  case closed:
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+        {
+
+            // BinaryExpressions with parens
+            code: unIndent`
+                foo && (
+                    bar
+                )
+            `,
+            options: [4]
+        },
+        {
+
+            // BinaryExpressions with parens
+            code: unIndent`
+                foo && ((
+                    bar
+                ))
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                foo &&
+                    (
+                        bar
+                    )
+            `,
+            options: [4]
+        },
+        unIndent`
+            foo &&
+                !bar(
+                )
+        `,
+        unIndent`
+            foo &&
+                ![].map(() => {
+                    bar();
+                })
+        `,
+        {
+            code: unIndent`
+                foo =
+                    bar;
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  var bar = function(baz,
+                        qux) {
+                    foobar();
+                  };
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 3 } }]
+        },
+        unIndent`
+            function foo() {
+                return (bar === 1 || bar === 2 &&
+                    (/Function/.test(grandparent.type))) &&
+                    directives(parent).indexOf(node) >= 0;
+            }
+        `,
+        {
+            code: unIndent`
+                function foo() {
+                    return (foo === bar || (
+                        baz === qux && (
+                            foo === foo ||
+                            bar === bar ||
+                            baz === baz
+                        )
+                    ))
+                }
+            `,
+            options: [4]
+        },
+        unIndent`
+            if (
+                foo === 1 ||
+                bar === 1 ||
+                // comment
+                (baz === 1 && qux === 1)
+            ) {}
+        `,
+        {
+            code: unIndent`
+                foo =
+                  (bar + baz);
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  return (bar === 1 || bar === 2) &&
+                    (z === 3 || z === 4);
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                /* comment */ if (foo) {
+                  bar();
+                }
+            `,
+            options: [2]
+        },
+        {
+
+            // Comments at the end of if blocks that have `else` blocks can either refer to the lines above or below them
+            code: unIndent`
+                if (foo) {
+                  bar();
+                // Otherwise, if foo is false, do baz.
+                // baz is very important.
+                } else {
+                  baz();
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  return ((bar === 1 || bar === 2) &&
+                    (z === 3 || z === 4));
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                foo(
+                  bar,
+                  baz,
+                  qux
+                );
+            `,
+            options: [2, { CallExpression: { arguments: 1 } }]
+        },
+        {
+            code: unIndent`
+                foo(
+                \tbar,
+                \tbaz,
+                \tqux
+                );
+            `,
+            options: ["tab", { CallExpression: { arguments: 1 } }]
+        },
+        {
+            code: unIndent`
+                foo(bar,
+                        baz,
+                        qux);
+            `,
+            options: [4, { CallExpression: { arguments: 2 } }]
+        },
+        {
+            code: unIndent`
+                foo(
+                bar,
+                baz,
+                qux
+                );
+            `,
+            options: [2, { CallExpression: { arguments: 0 } }]
+        },
+        {
+            code: unIndent`
+                foo(bar,
+                    baz,
+                    qux
+                );
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                foo(bar, baz,
+                    qux, barbaz,
+                    barqux, bazqux);
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                foo(bar,
+                        1 + 2,
+                        !baz,
+                        new Car('!')
+                );
+            `,
+            options: [2, { CallExpression: { arguments: 4 } }]
+        },
+        unIndent`
+            foo(
+                (bar)
+            );
+        `,
+        {
+            code: unIndent`
+                foo(
+                    (bar)
+                );
+            `,
+            options: [4, { CallExpression: { arguments: 1 } }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7484
+        {
+            code: unIndent`
+                var foo = function() {
+                  return bar(
+                    [{
+                    }].concat(baz)
+                  );
+                };
+            `,
+            options: [2]
+        },
+
+        // https://github.com/eslint/eslint/issues/7573
+        {
+            code: unIndent`
+                return (
+                    foo
+                );
+            `,
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: unIndent`
+                return (
+                    foo
+                )
+            `,
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        unIndent`
+            var foo = [
+                bar,
+                baz
+            ]
+        `,
+        unIndent`
+            var foo = [bar,
+                baz,
+                qux
+            ]
+        `,
+        {
+            code: unIndent`
+                var foo = [bar,
+                baz,
+                qux
+                ]
+            `,
+            options: [2, { ArrayExpression: 0 }]
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                                baz,
+                                qux
+                ]
+            `,
+            options: [2, { ArrayExpression: 8 }]
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                           baz,
+                           qux
+                ]
+            `,
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                           baz, qux
+                ]
+            `,
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = [
+                        { bar: 1,
+                          baz: 2 },
+                        { bar: 3,
+                          baz: 4 }
+                ]
+            `,
+            options: [4, { ArrayExpression: 2, ObjectExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = {
+                bar: 1,
+                baz: 2
+                };
+            `,
+            options: [2, { ObjectExpression: 0 }]
+        },
+        {
+            code: unIndent`
+                var foo = { foo: 1, bar: 2,
+                            baz: 3 }
+            `,
+            options: [2, { ObjectExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = [
+                        {
+                            foo: 1
+                        }
+                ]
+            `,
+            options: [4, { ArrayExpression: 2 }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  [
+                          foo
+                  ]
+                }
+            `,
+            options: [2, { ArrayExpression: 4 }]
+        },
+        {
+            code: "[\n]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: "[\n]",
+            options: [2, { ArrayExpression: 1 }]
+        },
+        {
+            code: "{\n}",
+            options: [2, { ObjectExpression: "first" }]
+        },
+        {
+            code: "{\n}",
+            options: [2, { ObjectExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                var foo = [
+                  [
+                    1
+                  ]
+                ]
+            `,
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = [ 1,
+                            [
+                              2
+                            ]
+                ];
+            `,
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                var foo = bar(1,
+                              [ 2,
+                                3
+                              ]
+                );
+            `,
+            options: [4, { ArrayExpression: "first", CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                var foo =
+                    [
+                    ]()
+            `,
+            options: [4, { CallExpression: { arguments: "first" }, ArrayExpression: "first" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7732
+        {
+            code: unIndent`
+                const lambda = foo => {
+                  Object.assign({},
+                    filterName,
+                    {
+                      display
+                    }
+                  );
+                }
+            `,
+            options: [2, { ObjectExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                const lambda = foo => {
+                  Object.assign({},
+                    filterName,
+                    {
+                      display
+                    }
+                  );
+                }
+            `,
+            options: [2, { ObjectExpression: "first" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7733
+        {
+            code: unIndent`
+                var foo = function() {
+                \twindow.foo('foo',
+                \t\t{
+                \t\t\tfoo: 'bar',
+                \t\t\tbar: {
+                \t\t\t\tfoo: 'bar'
+                \t\t\t}
+                \t\t}
+                \t);
+                }
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                echo = spawn('cmd.exe',
+                             ['foo', 'bar',
+                              'baz']);
+            `,
+            options: [2, { ArrayExpression: "first", CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                if (foo)
+                  bar();
+                // Otherwise, if foo is false, do baz.
+                // baz is very important.
+                else {
+                  baz();
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                if (
+                    foo && bar ||
+                    baz && qux // This line is ignored because BinaryExpressions are not checked.
+                ) {
+                    qux();
+                }
+            `,
+            options: [4]
+        },
+        unIndent`
+            [
+            ] || [
+            ]
+        `,
+        unIndent`
+            (
+                [
+                ] || [
+                ]
+            )
+        `,
+        unIndent`
+            1
+            + (
+                1
+            )
+        `,
+        unIndent`
+            (
+                foo && (
+                    bar ||
+                    baz
+                )
+            )
+        `,
+        unIndent`
+            foo
+                || (
+                    bar
+                )
+        `,
+        unIndent`
+            foo
+                            || (
+                                bar
+                            )
+        `,
+        {
+            code: unIndent`
+                var foo =
+                        1;
+            `,
+            options: [4, { VariableDeclarator: 2 }]
+        },
+        {
+            code: unIndent`
+                var foo = 1,
+                    bar =
+                    2;
+            `,
+            options: [4]
+        },
+        {
+            code: unIndent`
+                switch (foo) {
+                  case bar:
+                  {
+                    baz();
+                  }
+                }
+            `,
+            options: [2, { SwitchCase: 1 }]
+        },
+
+        // Template curlies
+        {
+            code: unIndent`
+                \`foo\${
+                  bar}\`
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                  \`bar\${
+                    baz}\`}\`
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                  \`bar\${
+                    baz
+                  }\`
+                }\`
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                  (
+                    bar
+                  )
+                }\`
+            `,
+            options: [2]
+        },
+        unIndent`
+            foo(\`
+                bar
+            \`, {
+                baz: 1
+            });
+        `,
+        unIndent`
+            function foo() {
+                \`foo\${bar}baz\${
+                    qux}foo\${
+                    bar}baz\`
+            }
+        `,
+        unIndent`
+            JSON
+                .stringify(
+                    {
+                        ok: true
+                    }
+                );
+        `,
+
+        // Don't check AssignmentExpression assignments
+        unIndent`
+            foo =
+                bar =
+                baz;
+        `,
+        unIndent`
+            foo =
+            bar =
+                baz;
+        `,
+        unIndent`
+            function foo() {
+                const template = \`this indentation is not checked
+            because it's part of a template literal.\`;
+            }
+        `,
+        unIndent`
+                function foo() {
+                    const template = \`the indentation of a \${
+                        node.type
+                    } node is checked.\`;
+                }
+            `,
+        {
+
+            // https://github.com/eslint/eslint/issues/7320
+            code: unIndent`
+                JSON
+                    .stringify(
+                        {
+                            test: 'test'
+                        }
+                    );
+            `,
+            options: [4, { CallExpression: { arguments: 1 } }]
+        },
+        unIndent`
+            [
+                foo,
+                // comment
+                // another comment
+                bar
+            ]
+        `,
+        unIndent`
+            if (foo) {
+                /* comment */ bar();
+            }
+        `,
+        unIndent`
+            function foo() {
+                return (
+                    1
+                );
+            }
+        `,
+        unIndent`
+            function foo() {
+                return (
+                    1
+                )
+            }
+        `,
+        unIndent`
+            if (
+                foo &&
+                !(
+                    bar
+                )
+            ) {}
+        `,
+        {
+
+            // https://github.com/eslint/eslint/issues/6007
+            code: unIndent`
+                var abc = [
+                  (
+                    ''
+                  ),
+                  def,
+                ]
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var abc = [
+                  (
+                    ''
+                  ),
+                  (
+                    'bar'
+                  )
+                ]
+            `,
+            options: [2]
+        },
+        unIndent`
+            function f() {
+                return asyncCall()
+                    .then(
+                        'some string',
+                        [
+                            1,
+                            2,
+                            3
+                        ]
+                    );
+            }
+        `,
+        {
+
+            // https://github.com/eslint/eslint/issues/6670
+            code: unIndent`
+                function f() {
+                    return asyncCall()
+                        .then(
+                            'some string',
+                            [
+                                1,
+                                2,
+                                3
+                            ]
+                        );
+                }
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7242
+        unIndent`
+            var x = [
+                [1],
+                [2]
+            ]
+        `,
+        unIndent`
+            var y = [
+                {a: 1},
+                {b: 2}
+            ]
+        `,
+        unIndent`
+            foo(
+            )
+        `,
+        {
+
+            // https://github.com/eslint/eslint/issues/7616
+            code: unIndent`
+                foo(
+                    bar,
+                    {
+                        baz: 1
+                    }
+                )
+            `,
+            options: [4, { CallExpression: { arguments: "first" } }]
+        },
+        "new Foo",
+        "new (Foo)",
+        unIndent`
+            if (Foo) {
+                new Foo
+            }
+        `,
+        {
+            code: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                    foo,
+                    bar,
+                    baz
+                }
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar :
+                    baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar :
+                    baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar
+                    : baz
+                        ? qux
+                        : foobar
+                            ? boop
+                            : beep
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar :
+                    baz ?
+                        qux :
+                        foobar ?
+                            boop :
+                            beep
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                var a =
+                    foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    /*else*/ beep
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                var a = foo
+                    ? bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                var a =
+                    foo
+                        ? bar
+                        : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                a =
+                    foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    /*else*/ beep
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                a = foo
+                    ? bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                a =
+                    foo
+                        ? bar
+                        : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo(
+                    foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    /*else*/ beep
+                )
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                function wrap() {
+                    return (
+                        foo ? bar :
+                        baz ? qux :
+                        foobar ? boop :
+                        /*else*/ beep
+                    )
+                }
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                function wrap() {
+                    return foo
+                        ? bar
+                        : baz
+                }
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                function wrap() {
+                    return (
+                        foo
+                            ? bar
+                            : baz
+                    )
+                }
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo(
+                    foo
+                        ? bar
+                        : baz
+                )
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo(foo
+                    ? bar
+                    : baz
+                )
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar
+                    : baz
+                        ? qux
+                        : foobar
+                            ? boop
+                            : beep
+            `,
+            options: [4, { flatTernaryExpressions: false }]
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar :
+                    baz ?
+                        qux :
+                        foobar ?
+                            boop :
+                            beep
+            `,
+            options: [4, { flatTernaryExpressions: false }]
+        },
+        {
+            code: "[,]",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: "[,]",
+            options: [2, { ArrayExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                [
+                    ,
+                    foo
+                ]
+            `,
+            options: [4, { ArrayExpression: "first" }]
+        },
+        {
+            code: "[sparse, , array];",
+            options: [2, { ArrayExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                foo.bar('baz', function(err) {
+                  qux;
+                });
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                foo.bar(function() {
+                  cookies;
+                }).baz(function() {
+                  cookies;
+                });
+            `,
+            options: [2, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                foo.bar().baz(function() {
+                  cookies;
+                }).qux(function() {
+                  cookies;
+                });
+            `,
+            options: [2, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                (
+                  {
+                    foo: 1,
+                    baz: 2
+                  }
+                );
+            `,
+            options: [2, { ObjectExpression: "first" }]
+        },
+        {
+            code: unIndent`
+                foo(() => {
+                    bar;
+                }, () => {
+                    baz;
+                })
+            `,
+            options: [4, { CallExpression: { arguments: "first" } }]
+        },
+        {
+            code: unIndent`
+                [ foo,
+                  bar ].forEach(function() {
+                  baz;
+                })
+            `,
+            options: [2, { ArrayExpression: "first", MemberExpression: 1 }]
+        },
+        unIndent`
+            foo = bar[
+                baz
+            ];
+        `,
+        {
+            code: unIndent`
+                foo[
+                    bar
+                ];
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        {
+            code: unIndent`
+                foo[
+                    (
+                        bar
+                    )
+                ];
+            `,
+            options: [4, { MemberExpression: 1 }]
+        },
+        unIndent`
+            if (foo)
+                bar;
+            else if (baz)
+                qux;
+        `,
+        unIndent`
+            if (foo) bar()
+
+            ; [1, 2, 3].map(baz)
+        `,
+        unIndent`
+            if (foo)
+                ;
+        `,
+        "x => {}",
+        {
+            code: unIndent`
+                import {foo}
+                    from 'bar';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import 'foo'",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                import { foo,
+                    bar,
+                    baz,
+                } from 'qux';
+            `,
+            options: [4, { ImportDeclaration: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                import {
+                    foo,
+                    bar,
+                    baz,
+                } from 'qux';
+            `,
+            options: [4, { ImportDeclaration: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                import { apple as a,
+                         banana as b } from 'fruits';
+                import { cat } from 'animals';
+            `,
+            options: [4, { ImportDeclaration: "first" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                import { declaration,
+                                 can,
+                                  be,
+                              turned } from 'off';
+            `,
+            options: [4, { ImportDeclaration: "off" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+
+        // https://github.com/eslint/eslint/issues/8455
+        unIndent`
+            (
+                a
+            ) => b => {
+                c
+            }
+        `,
+        unIndent`
+            (
+                a
+            ) => b => c => d => {
+                e
+            }
+        `,
+        unIndent`
+            (
+                a
+            ) =>
+                (
+                    b
+                ) => {
+                    c
+                }
+        `,
+        unIndent`
+            if (
+                foo
+            ) bar(
+                baz
+            );
+        `,
+        unIndent`
+            if (foo)
+            {
+                bar();
+            }
+        `,
+        unIndent`
+            function foo(bar)
+            {
+                baz();
+            }
+        `,
+        unIndent`
+            () =>
+                ({})
+        `,
+        unIndent`
+            () =>
+                (({}))
+        `,
+        unIndent`
+            (
+                () =>
+                    ({})
+            )
+        `,
+        unIndent`
+            var x = function foop(bar)
+            {
+                baz();
+            }
+        `,
+        unIndent`
+            var x = (bar) =>
+            {
+                baz();
+            }
+        `,
+        unIndent`
+            class Foo
+            {
+                constructor()
+                {
+                    foo();
+                }
+
+                bar()
+                {
+                    baz();
+                }
+            }
+        `,
+        unIndent`
+            class Foo
+                extends Bar
+            {
+                constructor()
+                {
+                    foo();
+                }
+
+                bar()
+                {
+                    baz();
+                }
+            }
+        `,
+        unIndent`
+            (
+                class Foo
+                {
+                    constructor()
+                    {
+                        foo();
+                    }
+
+                    bar()
+                    {
+                        baz();
+                    }
+                }
+            )
+        `,
+        {
+            code: unIndent`
+                switch (foo)
+                {
+                    case 1:
+                        bar();
+                }
+            `,
+            options: [4, { SwitchCase: 1 }]
+        },
+        unIndent`
+            foo
+                .bar(function() {
+                    baz
+                })
+        `,
+        {
+            code: unIndent`
+                foo
+                        .bar(function() {
+                            baz
+                        })
+            `,
+            options: [4, { MemberExpression: 2 }]
+        },
+        unIndent`
+            foo
+                [bar](function() {
+                    baz
+                })
+        `,
+        unIndent`
+            foo.
+                bar.
+                baz
+        `,
+        {
+            code: unIndent`
+                foo
+                    .bar(function() {
+                        baz
+                    })
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                foo
+                                .bar(function() {
+                                    baz
+                                })
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                foo
+                                [bar](function() {
+                                    baz
+                                })
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                  foo.
+                          bar.
+                                      baz
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                  foo = bar(
+                  ).baz(
+                  )
+            `,
+            options: [4, { MemberExpression: "off" }]
+        },
+        {
+            code: unIndent`
+                foo[
+                    bar ? baz :
+                    qux
+                ]
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    return foo ? bar :
+                        baz
+                }
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                throw foo ? bar :
+                    baz
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        {
+            code: unIndent`
+                foo(
+                    bar
+                ) ? baz :
+                    qux
+            `,
+            options: [4, { flatTernaryExpressions: true }]
+        },
+        unIndent`
+                foo
+                    [
+                        bar
+                    ]
+                    .baz(function() {
+                        quz();
+                    })
+        `,
+        unIndent`
+                [
+                    foo
+                ][
+                    "map"](function() {
+                    qux();
+                })
+        `,
+        unIndent`
+            (
+                a.b(function() {
+                    c;
+                })
+            )
+        `,
+        unIndent`
+            (
+                foo
+            ).bar(function() {
+                baz();
+            })
+        `,
+        unIndent`
+            new Foo(
+                bar
+                    .baz
+                    .qux
+            )
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                    (baz(
+                        'bar',
+                        'bar'
+                    ));
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                (baz(
+                    'bar',
+                    'bar'
+                ));
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                    baz(
+                        'bar',
+                        'bar'
+                    );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                baz(
+                    'bar',
+                    'bar'
+                );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                    = baz(
+                        'bar',
+                        'bar'
+                    );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                = baz(
+                    'bar',
+                    'bar'
+                );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                    ('fff');
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                ('fff');
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                    = ('fff');
+
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                = ('fff');
+
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                    (
+                        'fff'
+                    );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName =
+                (
+                    'fff'
+                );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                    =(
+                        'fff'
+                    );
+        `,
+        unIndent`
+            const foo = a.b(),
+                longName
+                =(
+                    'fff'
+                );
+        `,
+
+
+        //----------------------------------------------------------------------
+        // Ignore Unknown Nodes
+        //----------------------------------------------------------------------
+
+        {
+            code: unIndent`
+                interface Foo {
+                    bar: string;
+                    baz: number;
+                }
+            `,
+            parser: parser("unknown-nodes/interface")
+        },
+        {
+            code: unIndent`
+                namespace Foo {
+                    const bar = 3,
+                        baz = 2;
+
+                    if (true) {
+                        const bax = 3;
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/namespace-valid")
+        },
+        {
+            code: unIndent`
+                abstract class Foo {
+                    public bar() {
+                        let aaa = 4,
+                            boo;
+
+                        if (true) {
+                            boo = 3;
+                        }
+
+                        boo = 3 + 2;
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/abstract-class-valid")
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    function bar() {
+                        abstract class X {
+                            public baz() {
+                                if (true) {
+                                    qux();
+                                }
+                            }
+                        }
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/functions-with-abstract-class-valid")
+        },
+        {
+            code: unIndent`
+                namespace Unknown {
+                    function foo() {
+                        function bar() {
+                            abstract class X {
+                                public baz() {
+                                    if (true) {
+                                        qux();
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/namespace-with-functions-with-abstract-class-valid")
+        },
+        {
+            code: unIndent`
+                type httpMethod = 'GET'
+                  | 'POST'
+                  | 'PUT';
+            `,
+            options: [2, { VariableDeclarator: 0 }],
+            parser: parser("unknown-nodes/variable-declarator-type-indent-two-spaces")
+        },
+        {
+            code: unIndent`
+                type httpMethod = 'GET'
+                | 'POST'
+                | 'PUT';
+            `,
+            options: [2, { VariableDeclarator: 1 }],
+            parser: parser("unknown-nodes/variable-declarator-type-no-indent")
+        },
+        unIndent`
+            foo(\`foo
+                    \`, {
+                ok: true
+            },
+            {
+                ok: false
+            })
+        `,
+        unIndent`
+            foo(tag\`foo
+                    \`, {
+                ok: true
+            },
+            {
+                ok: false
+            }
+            )
+        `,
+
+        // https://github.com/eslint/eslint/issues/8815
+        unIndent`
+            async function test() {
+                const {
+                    foo,
+                    bar,
+                } = await doSomethingAsync(
+                    1,
+                    2,
+                    3,
+                );
+            }
+        `,
+        unIndent`
+            function* test() {
+                const {
+                    foo,
+                    bar,
+                } = yield doSomethingAsync(
+                    1,
+                    2,
+                    3,
+                );
+            }
+        `,
+        unIndent`
+            ({
+                a: b
+            } = +foo(
+                bar
+            ));
+        `,
+        unIndent`
+            const {
+                foo,
+                bar,
+            } = typeof foo(
+                1,
+                2,
+                3,
+            );
+        `,
+        unIndent`
+            const {
+                foo,
+                bar,
+            } = +(
+                foo
+            );
+        `,
+
+        //----------------------------------------------------------------------
+        // JSX tests
+        // https://github.com/eslint/eslint/issues/8425
+        // Some of the following tests are adapted from the the tests in eslint-plugin-react.
+        // License: https://github.com/yannickcr/eslint-plugin-react/blob/7ca9841f22d599f447a27ef5b2a97def9229d6c8/LICENSE
+        //----------------------------------------------------------------------
+
+        "<Foo a=\"b\" c=\"d\"/>;",
+        unIndent`
+            <Foo
+                a="b"
+                c="d"
+            />;
+        `,
+        "var foo = <Bar a=\"b\" c=\"d\"/>;",
+        unIndent`
+            var foo = <Bar
+                a="b"
+                c="d"
+            />;
+        `,
+        unIndent`
+            var foo = (<Bar
+                a="b"
+                c="d"
+            />);
+        `,
+        unIndent`
+            var foo = (
+                <Bar
+                    a="b"
+                    c="d"
+                />
+            );
+        `,
+        unIndent`
+            <
+                Foo
+                a="b"
+                c="d"
+            />;
+        `,
+        unIndent`
+            <Foo
+                a="b"
+                c="d"/>;
+        `,
+        unIndent`
+            <
+                Foo
+                a="b"
+                c="d"/>;
+        `,
+        "<a href=\"foo\">bar</a>;",
+        unIndent`
+            <a href="foo">
+                bar
+            </a>;
+        `,
+        unIndent`
+            <a
+                href="foo"
+            >
+                bar
+            </a>;
+        `,
+        unIndent`
+            <a
+                href="foo">
+                bar
+            </a>;
+        `,
+        unIndent`
+            <
+                a
+                href="foo">
+                bar
+            </a>;
+        `,
+        unIndent`
+            <a
+                href="foo">
+                bar
+            </
+                a>;
+        `,
+        unIndent`
+            <a
+                href="foo">
+                bar
+            </a
+            >;
+        `,
+        unIndent`
+                var foo = <a href="bar">
+                    baz
+                </a>;
+            `,
+        unIndent`
+            var foo = <a
+                href="bar"
+            >
+                baz
+            </a>;
+        `,
+        unIndent`
+            var foo = <a
+                href="bar">
+                baz
+            </a>;
+        `,
+        unIndent`
+            var foo = <
+                a
+                href="bar">
+                baz
+            </a>;
+        `,
+        unIndent`
+            var foo = <a
+                href="bar">
+                baz
+            </
+                a>;
+        `,
+        unIndent`
+            var foo = <a
+                href="bar">
+                baz
+            </a
+            >
+        `,
+        unIndent`
+            var foo = (<a
+                href="bar">
+                baz
+            </a>);
+        `,
+        unIndent`
+            var foo = (
+                <a href="bar">baz</a>
+            );
+        `,
+        unIndent`
+            var foo = (
+                <a href="bar">
+                    baz
+                </a>
+            );
+        `,
+        unIndent`
+            var foo = (
+                <a
+                    href="bar">
+                    baz
+                </a>
+            );
+        `,
+        "var foo = <a href=\"bar\">baz</a>;",
+        unIndent`
+            <a>
+                {
+                }
+            </a>
+        `,
+        unIndent`
+            <a>
+                {
+                    foo
+                }
+            </a>
+        `,
+        unIndent`
+            function foo() {
+                return (
+                    <a>
+                        {
+                            b.forEach(() => {
+                                // comment
+                                a = c
+                                    .d()
+                                    .e();
+                            })
+                        }
+                    </a>
+                );
+            }
+        `,
+        "<App></App>",
+        unIndent`
+            <App>
+            </App>
+        `,
+        {
+            code: unIndent`
+                <App>
+                  <Foo />
+                </App>
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <App>
+                <Foo />
+                </App>
+            `,
+            options: [0]
+        },
+        {
+            code: unIndent`
+                <App>
+                \t<Foo />
+                </App>
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return <App>
+                    <Foo />
+                  </App>;
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return (<App>
+                    <Foo />
+                  </App>);
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return (
+                    <App>
+                      <Foo />
+                    </App>
+                  );
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                it(
+                  (
+                    <div>
+                      <span />
+                    </div>
+                  )
+                )
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                it(
+                  (<div>
+                    <span />
+                    <span />
+                    <span />
+                  </div>)
+                )
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                (
+                  <div>
+                    <span />
+                  </div>
+                )
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                {
+                  head.title &&
+                  <h1>
+                    {head.title}
+                  </h1>
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                {
+                  head.title &&
+                    <h1>
+                      {head.title}
+                    </h1>
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                {
+                  head.title && (
+                    <h1>
+                      {head.title}
+                    </h1>)
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                {
+                  head.title && (
+                    <h1>
+                      {head.title}
+                    </h1>
+                  )
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                [
+                  <div />,
+                  <div />
+                ]
+            `,
+            options: [2]
+        },
+        unIndent`
+            <div>
+                {
+                    [
+                        <Foo />,
+                        <Bar />
+                    ]
+                }
+            </div>
+        `,
+        unIndent`
+            <div>
+                {foo &&
+                    [
+                        <Foo />,
+                        <Bar />
+                    ]
+                }
+            </div>
+        `,
+        unIndent`
+            <div>
+            bar <div>
+                bar
+                bar {foo}
+            bar </div>
+            </div>
+        `,
+        unIndent`
+            foo ?
+                <Foo /> :
+                <Bar />
+        `,
+        unIndent`
+            foo ?
+                <Foo />
+                : <Bar />
+        `,
+        unIndent`
+            foo ?
+                <Foo />
+                :
+                <Bar />
+        `,
+        unIndent`
+            <div>
+                {!foo ?
+                    <Foo
+                        onClick={this.onClick}
+                    />
+                    :
+                    <Bar
+                        onClick={this.onClick}
+                    />
+                }
+            </div>
+        `,
+        {
+            code: unIndent`
+                <span>
+                  {condition ?
+                    <Thing
+                      foo={\`bar\`}
+                    /> :
+                    <Thing/>
+                  }
+                </span>
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <span>
+                  {condition ?
+                    <Thing
+                      foo={"bar"}
+                    /> :
+                    <Thing/>
+                  }
+                </span>
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  <span>
+                    {condition ?
+                      <Thing
+                        foo={bar}
+                      /> :
+                      <Thing/>
+                    }
+                  </span>
+                }
+            `,
+            options: [2]
+        },
+        unIndent`
+              <App foo
+              />
+            `,
+        {
+            code: unIndent`
+              <App
+                foo
+              />
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+              <App
+              foo
+              />
+            `,
+            options: [0]
+        },
+        {
+            code: unIndent`
+              <App
+              \tfoo
+              />
+            `,
+            options: ["tab"]
+        },
+        unIndent`
+                <App
+                    foo
+                />
+            `,
+        unIndent`
+                <App
+                    foo
+                ></App>
+            `,
+        {
+            code: unIndent`
+                <App
+                  foo={function() {
+                    console.log('bar');
+                  }}
+                />
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <App foo={function() {
+                  console.log('bar');
+                }}
+                />
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var x = function() {
+                  return <App
+                    foo={function() {
+                      console.log('bar');
+                    }}
+                  />
+                }
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                var x = <App
+                  foo={function() {
+                    console.log('bar');
+                  }}
+                />
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <Provider
+                  store
+                >
+                  <App
+                    foo={function() {
+                      console.log('bar');
+                    }}
+                  />
+                </Provider>
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <Provider
+                  store
+                >
+                  {baz && <App
+                    foo={function() {
+                      console.log('bar');
+                    }}
+                  />}
+                </Provider>
+            `,
+            options: [2]
+        },
+        {
+            code: unIndent`
+                <App
+                \tfoo
+                />
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                <App
+                \tfoo
+                ></App>
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                <App foo={function() {
+                \tconsole.log('bar');
+                }}
+                />
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                var x = <App
+                \tfoo={function() {
+                \t\tconsole.log('bar');
+                \t}}
+                />
+            `,
+            options: ["tab"]
+        },
+        unIndent`
+                <App
+                    foo />
+            `,
+        unIndent`
+                <div>
+                   unrelated{
+                        foo
+                    }
+                </div>
+            `,
+        unIndent`
+                <div>unrelated{
+                    foo
+                }
+                </div>
+            `,
+        unIndent`
+                <
+                    foo
+                        .bar
+                        .baz
+                >
+                    foo
+                </
+                    foo.
+                        bar.
+                        baz
+                >
+            `,
+        unIndent`
+                <
+                    input
+                    type=
+                        "number"
+                />
+            `,
+        unIndent`
+                <
+                    input
+                    type=
+                        {'number'}
+                />
+            `,
+        unIndent`
+                <
+                    input
+                    type
+                        ="number"
+                />
+            `,
+        unIndent`
+                foo ? (
+                    bar
+                ) : (
+                    baz
+                )
+            `,
+        unIndent`
+                foo ? (
+                    <div>
+                    </div>
+                ) : (
+                    <span>
+                    </span>
+                )
+            `,
+        unIndent`
+                <div>
+                    {
+                        /* foo */
+                    }
+                </div>
+            `,
+
+        /*
+         * JSX Fragments
+         * https://github.com/eslint/eslint/issues/12208
+         */
+        unIndent`
+            <>
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+            >
+        `,
+        unIndent`
+            <
+            >
+                <A />
+            </
+            >
+        `,
+        unIndent`
+            <
+            >
+                <A />
+            <
+            />
+        `,
+        unIndent`
+            < // Comment
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+                // Comment
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+            // Comment
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <>
+                <A />
+            < // Comment
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+                // Comment
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+            // Comment
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            </ // Comment
+            >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+                // Comment
+            >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+            // Comment
+            >
+        `,
+        unIndent`
+            < /* Comment */
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+                /* Comment */
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+            /* Comment */
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+                /*
+                 * Comment
+                 */
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <
+            /*
+             * Comment
+             */
+            >
+                <A />
+            </>
+        `,
+        unIndent`
+            <>
+                <A />
+            < /* Comment */
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+                /* Comment */ />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+            /* Comment */ />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+                /* Comment */
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            <
+            /* Comment */
+            />
+        `,
+        unIndent`
+            <>
+                <A />
+            </ /* Comment */
+            >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+                /* Comment */ >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+            /* Comment */ >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+                /* Comment */
+            >
+        `,
+        unIndent`
+            <>
+                <A />
+            </
+            /* Comment */
+            >
+        `,
+
+        // https://github.com/eslint/eslint/issues/8832
+        unIndent`
+                <div>
+                    {
+                        (
+                            1
+                        )
+                    }
+                </div>
+            `,
+        unIndent`
+                function A() {
+                    return (
+                        <div>
+                            {
+                                b && (
+                                    <div>
+                                    </div>
+                                )
+                            }
+                        </div>
+                    );
+                }
+            `,
+        unIndent`
+            <div>foo
+                <div>bar</div>
+            </div>
+        `,
+        unIndent`
+            <small>Foo bar&nbsp;
+                <a>baz qux</a>.
+            </small>
+        `,
+        unIndent`
+            <div
+                {...props}
+            />
+        `,
+        unIndent`
+            <div
+                {
+                    ...props
+                }
+            />
+        `,
+        {
+            code: unIndent`
+                a(b
+                  , c
+                )
+            `,
+            options: [2, { CallExpression: { arguments: "off" } }]
+        },
+        {
+            code: unIndent`
+                a(
+                  new B({
+                    c,
+                  })
+                );
+            `,
+            options: [2, { CallExpression: { arguments: "off" } }]
+        },
+        {
+            code: unIndent`
+                foo
+                ? bar
+                            : baz
+            `,
+            options: [4, { ignoredNodes: ["ConditionalExpression"] }]
+        },
+        {
+            code: unIndent`
+                class Foo {
+                foo() {
+                    bar();
+                }
+                }
+            `,
+            options: [4, { ignoredNodes: ["ClassBody"] }]
+        },
+        {
+            code: unIndent`
+                class Foo {
+                foo() {
+                bar();
+                }
+                }
+            `,
+            options: [4, { ignoredNodes: ["ClassBody", "BlockStatement"] }]
+        },
+        {
+            code: unIndent`
+                foo({
+                        bar: 1
+                    },
+                    {
+                        baz: 2
+                    },
+                    {
+                        qux: 3
+                })
+            `,
+            options: [4, { ignoredNodes: ["CallExpression > ObjectExpression"] }]
+        },
+        {
+            code: unIndent`
+                foo
+                                            .bar
+            `,
+            options: [4, { ignoredNodes: ["MemberExpression"] }]
+        },
+        {
+            code: unIndent`
+                $(function() {
+
+                foo();
+                bar();
+
+                });
+            `,
+            options: [4, {
+                ignoredNodes: ["Program > ExpressionStatement > CallExpression[callee.name='$'] > FunctionExpression > BlockStatement"]
+            }]
+        },
+        {
+            code: unIndent`
+                <Foo
+                            bar="1" />
+            `,
+            options: [4, { ignoredNodes: ["JSXOpeningElement"] }]
+        },
+        {
+            code: unIndent`
+                foo &&
+                <Bar
+                >
+                </Bar>
+            `,
+            options: [4, { ignoredNodes: ["JSXElement", "JSXOpeningElement"] }]
+        },
+        {
+            code: unIndent`
+                (function($) {
+                $(function() {
+                    foo;
+                });
+                }())
+            `,
+            options: [4, { ignoredNodes: ["ExpressionStatement > CallExpression > FunctionExpression.callee > BlockStatement"] }]
+        },
+        {
+            code: unIndent`
+                const value = (
+                    condition ?
+                    valueIfTrue :
+                    valueIfFalse
+                );
+            `,
+            options: [4, { ignoredNodes: ["ConditionalExpression"] }]
+        },
+        {
+            code: unIndent`
+                var a = 0, b = 0, c = 0;
+                export default foo(
+                    a,
+                    b, {
+                    c
+                    }
+                )
+            `,
+            options: [4, { ignoredNodes: ["ExportDefaultDeclaration > CallExpression > ObjectExpression"] }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: unIndent`
+                foobar = baz
+                       ? qux
+                       : boop
+            `,
+            options: [4, { ignoredNodes: ["ConditionalExpression"] }]
+        },
+        {
+            code: unIndent`
+                \`
+                    SELECT
+                        \${
+                            foo
+                        } FROM THE_DATABASE
+                \`
+            `,
+            options: [4, { ignoredNodes: ["TemplateLiteral"] }]
+        },
+        {
+            code: unIndent`
+                <foo
+                    prop='bar'
+                    >
+                    Text
+                </foo>
+            `,
+            options: [4, { ignoredNodes: ["JSXOpeningElement"] }]
+        },
+        {
+            code: unIndent`
+                {
+                \tvar x = 1,
+                \t    y = 2;
+                }
+            `,
+            options: ["tab"]
+        },
+        {
+            code: unIndent`
+                var x = 1,
+                    y = 2;
+                var z;
+            `,
+            options: ["tab", { ignoredNodes: ["VariableDeclarator"] }]
+        },
+        {
+            code: unIndent`
+                [
+                    foo(),
+                    bar
+                ]
+            `,
+            options: ["tab", { ArrayExpression: "first", ignoredNodes: ["CallExpression"] }]
+        },
+        {
+            code: unIndent`
+                if (foo) {
+                    doSomething();
+
+                // Intentionally unindented comment
+                    doSomethingElse();
+                }
+            `,
+            options: [4, { ignoreComments: true }]
+        },
+        {
+            code: unIndent`
+                if (foo) {
+                    doSomething();
+
+                /* Intentionally unindented comment */
+                    doSomethingElse();
+                }
+            `,
+            options: [4, { ignoreComments: true }]
+        },
+        unIndent`
+            const obj = {
+                foo () {
+                    return condition ? // comment
+                        1 :
+                        2
+                }
+            }
+        `,
+
+        //----------------------------------------------------------------------
+        // Comment alignment tests
+        //----------------------------------------------------------------------
+        unIndent`
+            if (foo) {
+            // Comment can align with code immediately above even if "incorrect" alignment
+                doSomething();
+            }
+        `,
+        unIndent`
+            if (foo) {
+                doSomething();
+            // Comment can align with code immediately below even if "incorrect" alignment
+            }
+        `,
+        unIndent`
+            if (foo) {
+                // Comment can be in correct alignment even if not aligned with code above/below
+            }
+        `,
+        unIndent`
+            if (foo) {
+
+                // Comment can be in correct alignment even if gaps between (and not aligned with) code above/below
+
+            }
+        `,
+        unIndent`
+            [{
+                foo
+            },
+
+            // Comment between nodes
+
+            {
+                bar
+            }];
+        `,
+        unIndent`
+            [{
+                foo
+            },
+
+            // Comment between nodes
+
+            { // comment
+                bar
+            }];
+        `,
+        unIndent`
+            let foo
+
+            // comment
+
+            ;(async () => {})()
+        `,
+        unIndent`
+            let foo
+            // comment
+
+            ;(async () => {})()
+        `,
+        unIndent`
+            let foo
+
+            // comment
+            ;(async () => {})()
+        `,
+        unIndent`
+            let foo
+            // comment
+            ;(async () => {})()
+        `,
+        unIndent`
+            let foo
+
+                /* comment */;
+
+            (async () => {})()
+        `,
+        unIndent`
+            let foo
+                /* comment */;
+
+            (async () => {})()
+        `,
+        unIndent`
+            let foo
+
+                /* comment */;
+            (async () => {})()
+        `,
+        unIndent`
+            let foo
+                /* comment */;
+            (async () => {})()
+        `,
+        unIndent`
+            let foo
+            /* comment */;
+
+            (async () => {})()
+        `,
+        unIndent`
+            let foo
+            /* comment */;
+            (async () => {})()
+        `,
+        unIndent`
+            // comment
+
+            ;(async () => {})()
+        `,
+        unIndent`
+            // comment
+            ;(async () => {})()
+        `,
+        unIndent`
+            {
+                let foo
+
+                // comment
+
+                ;(async () => {})()
+            }
+        `,
+        unIndent`
+            {
+                let foo
+                // comment
+                ;(async () => {})()
+            }
+        `,
+        unIndent`
+            {
+                // comment
+
+                ;(async () => {})()
+            }
+        `,
+        unIndent`
+            {
+                // comment
+                ;(async () => {})()
+            }
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+
+            /* comment */
+
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+            /* comment */
+
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+
+            /* comment */
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+            /* comment */
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+
+                /* comment */;
+
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+                /* comment */;
+
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+
+                /* comment */;
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+                /* comment */;
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+            /* comment */;
+
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            const foo = 1
+            const bar = foo
+            /* comment */;
+            [1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            /* comment */
+
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            /* comment */
+            ;[1, 2, 3].forEach(() => {})
+        `,
+        unIndent`
+            {
+                const foo = 1
+                const bar = foo
+
+                /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            }
+        `,
+        unIndent`
+            {
+                const foo = 1
+                const bar = foo
+                /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            }
+        `,
+        unIndent`
+            {
+                /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            }
+        `,
+        unIndent`
+            {
+                /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            }
+        `,
+
+        // import expressions
+        {
+            code: unIndent`
+                import(
+                    // before
+                    source
+                    // after
+                )
+            `,
+            parserOptions: { ecmaVersion: 2020 }
+        },
+
+        // https://github.com/eslint/eslint/issues/12122
+        {
+            code: unIndent`
+                foo(() => {
+                    tag\`
+                    multiline
+                    template
+                    literal
+                    \`(() => {
+                        bar();
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                {
+                    tag\`
+                    multiline
+                    template
+                    \${a} \${b}
+                    literal
+                    \`(() => {
+                        bar();
+                    });
+                }
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo(() => {
+                    tagOne\`
+                    multiline
+                    template
+                    literal
+                    \${a} \${b}
+                    \`(() => {
+                        tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                        baz();
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                {
+                    tagOne\`
+                    \${a} \${b}
+                    multiline
+                    template
+                    literal
+                    \`(() => {
+                        tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                        baz();
+                    });
+                };
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                tagOne\`multiline
+                        \${a} \${b}
+                        template
+                        literal
+                        \`(() => {        
+                    foo();
+                    
+                    tagTwo\`multiline
+                            template
+                            literal
+                        \`({
+                        bar: 1,
+                        baz: 2
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                tagOne\`multiline
+                    template
+                    literal
+                    \${a} \${b}\`({        
+                    foo: 1,
+                    bar: tagTwo\`multiline
+                        template
+                        literal\`(() => {
+                        
+                        baz();
+                    })
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo.bar\` template literal \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo.bar.baz\` template literal \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                    .bar\` template
+                        literal \`(() => {
+                        baz();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                    .bar
+                    .baz\` template 
+                        literal \`(() => {
+                        baz();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo.bar\`
+                    \${a} \${b}
+                    \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo.bar1.bar2\`
+                    \${a} \${b}
+                    \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                    .bar1
+                    .bar2\`
+                    \${a} \${b}
+                    \`(() => {
+                        baz();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                    .bar\`
+                    \${a} \${b}
+                    \`(() => {
+                        baz();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                .test\`
+                    \${a} \${b}
+                    \`(() => {
+                    baz();
+                })
+            `,
+            options: [4, { MemberExpression: 0 }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: unIndent`
+                foo
+                        .test\`
+                    \${a} \${b}
+                    \`(() => {
+                            baz();
+                        })
+            `,
+            options: [4, { MemberExpression: 2 }],
+            parserOptions: { ecmaVersion: 2015 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: unIndent`
+                var a = b;
+                if (a) {
+                b();
+                }
+            `,
+            output: unIndent`
+                var a = b;
+                if (a) {
+                  b();
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[3, 2, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                require('http').request({hostname: 'localhost',
+                                  port: 80}, function(res) {
+                    res.end();
+                  });
+            `,
+            output: unIndent`
+                require('http').request({hostname: 'localhost',
+                  port: 80}, function(res) {
+                  res.end();
+                });
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 18, "Identifier"], [3, 2, 4, "Identifier"], [4, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                if (array.some(function(){
+                  return true;
+                })) {
+                a++; // ->
+                  b++;
+                    c++; // <-
+                }
+            `,
+            output: unIndent`
+                if (array.some(function(){
+                  return true;
+                })) {
+                  a++; // ->
+                  b++;
+                  c++; // <-
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[4, 2, 0, "Identifier"], [6, 2, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                if (a){
+                \tb=c;
+                \t\tc=d;
+                e=f;
+                }
+            `,
+            output: unIndent`
+                if (a){
+                \tb=c;
+                \tc=d;
+                \te=f;
+                }
+            `,
+            options: ["tab"],
+            errors: expectedErrors("tab", [[3, 1, 2, "Identifier"], [4, 1, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                if (a){
+                    b=c;
+                      c=d;
+                 e=f;
+                }
+            `,
+            output: unIndent`
+                if (a){
+                    b=c;
+                    c=d;
+                    e=f;
+                }
+            `,
+            options: [4],
+            errors: expectedErrors([[3, 4, 6, "Identifier"], [4, 4, 1, "Identifier"]])
+        },
+        {
+            code: fixture,
+            output: fixedFixture,
+            options: [2, { SwitchCase: 1, MemberExpression: 1, CallExpression: { arguments: "off" } }],
+            errors: expectedErrors([
+                [5, 2, 4, "Keyword"],
+                [6, 2, 0, "Line"],
+                [10, 4, 6, "Punctuator"],
+                [11, 2, 4, "Punctuator"],
+
+                [15, 4, 2, "Identifier"],
+                [16, 2, 4, "Punctuator"],
+                [23, 2, 4, "Punctuator"],
+                [29, 2, 4, "Keyword"],
+                [30, 4, 6, "Identifier"],
+                [36, 4, 6, "Identifier"],
+                [38, 2, 4, "Punctuator"],
+                [39, 4, 2, "Identifier"],
+                [40, 2, 0, "Punctuator"],
+                [54, 2, 4, "Punctuator"],
+                [114, 4, 2, "Keyword"],
+                [120, 4, 6, "Keyword"],
+                [124, 4, 2, "Keyword"],
+                [134, 4, 6, "Keyword"],
+                [138, 2, 3, "Punctuator"],
+                [139, 2, 3, "Punctuator"],
+                [143, 4, 0, "Identifier"],
+                [144, 6, 2, "Punctuator"],
+                [145, 6, 2, "Punctuator"],
+                [151, 4, 6, "Identifier"],
+                [152, 6, 8, "Punctuator"],
+                [153, 6, 8, "Punctuator"],
+                [159, 4, 2, "Identifier"],
+                [161, 4, 6, "Identifier"],
+                [175, 2, 0, "Identifier"],
+                [177, 2, 4, "Identifier"],
+                [189, 2, 0, "Keyword"],
+                [192, 6, 18, "Identifier"],
+                [193, 6, 4, "Identifier"],
+                [195, 6, 8, "Identifier"],
+                [228, 5, 4, "Identifier"],
+                [231, 3, 2, "Punctuator"],
+                [245, 0, 2, "Punctuator"],
+                [248, 0, 2, "Punctuator"],
+                [304, 4, 6, "Identifier"],
+                [306, 4, 8, "Identifier"],
+                [307, 2, 4, "Punctuator"],
+                [308, 2, 4, "Identifier"],
+                [311, 4, 6, "Identifier"],
+                [312, 4, 6, "Identifier"],
+                [313, 4, 6, "Identifier"],
+                [314, 2, 4, "Punctuator"],
+                [315, 2, 4, "Identifier"],
+                [318, 4, 6, "Identifier"],
+                [319, 4, 6, "Identifier"],
+                [320, 4, 6, "Identifier"],
+                [321, 2, 4, "Punctuator"],
+                [322, 2, 4, "Identifier"],
+                [326, 2, 1, "Numeric"],
+                [327, 2, 1, "Numeric"],
+                [328, 2, 1, "Numeric"],
+                [329, 2, 1, "Numeric"],
+                [330, 2, 1, "Numeric"],
+                [331, 2, 1, "Numeric"],
+                [332, 2, 1, "Numeric"],
+                [333, 2, 1, "Numeric"],
+                [334, 2, 1, "Numeric"],
+                [335, 2, 1, "Numeric"],
+                [340, 2, 4, "Identifier"],
+                [341, 2, 0, "Identifier"],
+                [344, 2, 4, "Identifier"],
+                [345, 2, 0, "Identifier"],
+                [348, 2, 4, "Identifier"],
+                [349, 2, 0, "Identifier"],
+                [355, 2, 0, "Identifier"],
+                [357, 2, 4, "Identifier"],
+                [361, 4, 6, "Identifier"],
+                [362, 2, 4, "Punctuator"],
+                [363, 2, 4, "Identifier"],
+                [368, 2, 0, "Keyword"],
+                [370, 2, 4, "Keyword"],
+                [374, 4, 6, "Keyword"],
+                [376, 4, 2, "Keyword"],
+                [383, 2, 0, "Identifier"],
+                [385, 2, 4, "Identifier"],
+                [390, 2, 0, "Identifier"],
+                [392, 2, 4, "Identifier"],
+                [409, 2, 0, "Identifier"],
+                [410, 2, 4, "Identifier"],
+                [416, 2, 0, "Identifier"],
+                [417, 2, 4, "Identifier"],
+                [418, 0, 4, "Punctuator"],
+                [422, 2, 4, "Identifier"],
+                [423, 2, 0, "Identifier"],
+                [427, 2, 6, "Identifier"],
+                [428, 2, 8, "Identifier"],
+                [429, 2, 4, "Identifier"],
+                [430, 0, 4, "Punctuator"],
+                [433, 2, 4, "Identifier"],
+                [434, 0, 4, "Punctuator"],
+                [437, 2, 0, "Identifier"],
+                [438, 0, 4, "Punctuator"],
+                [442, 2, 4, "Identifier"],
+                [443, 2, 4, "Identifier"],
+                [444, 0, 2, "Punctuator"],
+                [451, 2, 0, "Identifier"],
+                [453, 2, 4, "Identifier"],
+                [499, 6, 8, "Punctuator"],
+                [500, 8, 6, "Identifier"],
+                [504, 4, 6, "Punctuator"],
+                [505, 6, 8, "Identifier"],
+                [506, 4, 8, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                switch(value){
+                    case "1":
+                        a();
+                    break;
+                    case "2":
+                        a();
+                    break;
+                    default:
+                        a();
+                        break;
+                }
+            `,
+            output: unIndent`
+                switch(value){
+                    case "1":
+                        a();
+                        break;
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        a();
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([[4, 8, 4, "Keyword"], [7, 8, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                var x = 0 &&
+                    {
+                       a: 1,
+                          b: 2
+                    };
+            `,
+            output: unIndent`
+                var x = 0 &&
+                    {
+                        a: 1,
+                        b: 2
+                    };
+            `,
+            options: [4],
+            errors: expectedErrors([[3, 8, 7, "Identifier"], [4, 8, 10, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                switch(value){
+                    case "1":
+                        a();
+                        break;
+                    case "2":
+                        a();
+                        break;
+                    default:
+                    break;
+                }
+            `,
+            output: unIndent`
+                switch(value){
+                    case "1":
+                        a();
+                        break;
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([9, 8, 4, "Keyword"])
+        },
+        {
+            code: unIndent`
+                switch(value){
+                    case "1":
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        break;
+                }
+                switch(value){
+                    case "1":
+                    break;
+                    case "2":
+                        a();
+                    break;
+                    default:
+                        a();
+                    break;
+                }
+            `,
+            output: unIndent`
+                switch(value){
+                    case "1":
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        break;
+                }
+                switch(value){
+                    case "1":
+                        break;
+                    case "2":
+                        a();
+                        break;
+                    default:
+                        a();
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([[11, 8, 4, "Keyword"], [14, 8, 4, "Keyword"], [17, 8, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                switch(value){
+                case "1":
+                        a();
+                        break;
+                    case "2":
+                        break;
+                    default:
+                        break;
+                }
+            `,
+            output: unIndent`
+                switch(value){
+                case "1":
+                    a();
+                    break;
+                case "2":
+                    break;
+                default:
+                    break;
+                }
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [3, 4, 8, "Identifier"],
+                [4, 4, 8, "Keyword"],
+                [5, 0, 4, "Keyword"],
+                [6, 4, 8, "Keyword"],
+                [7, 0, 4, "Keyword"],
+                [8, 4, 8, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                var obj = {foo: 1, bar: 2};
+                with (obj) {
+                console.log(foo + bar);
+                }
+            `,
+            output: unIndent`
+                var obj = {foo: 1, bar: 2};
+                with (obj) {
+                    console.log(foo + bar);
+                }
+            `,
+            errors: expectedErrors([3, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                switch (a) {
+                case '1':
+                b();
+                break;
+                default:
+                c();
+                break;
+                }
+            `,
+            output: unIndent`
+                switch (a) {
+                    case '1':
+                        b();
+                        break;
+                    default:
+                        c();
+                        break;
+                }
+            `,
+            options: [4, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 4, 0, "Keyword"],
+                [3, 8, 0, "Identifier"],
+                [4, 8, 0, "Keyword"],
+                [5, 4, 0, "Keyword"],
+                [6, 8, 0, "Identifier"],
+                [7, 8, 0, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                var foo = function(){
+                    foo
+                          .bar
+                }
+            `,
+            output: unIndent`
+                var foo = function(){
+                    foo
+                        .bar
+                }
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors(
+                [3, 8, 10, "Punctuator"]
+            )
+        },
+        {
+            code: unIndent`
+                (
+                    foo
+                    .bar
+                )
+            `,
+            output: unIndent`
+                (
+                    foo
+                        .bar
+                )
+            `,
+            errors: expectedErrors([3, 8, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                var foo = function(){
+                    foo
+                             .bar
+                }
+            `,
+            output: unIndent`
+                var foo = function(){
+                    foo
+                            .bar
+                }
+            `,
+            options: [4, { MemberExpression: 2 }],
+            errors: expectedErrors(
+                [3, 12, 13, "Punctuator"]
+            )
+        },
+        {
+            code: unIndent`
+                var foo = () => {
+                    foo
+                             .bar
+                }
+            `,
+            output: unIndent`
+                var foo = () => {
+                    foo
+                            .bar
+                }
+            `,
+            options: [4, { MemberExpression: 2 }],
+            errors: expectedErrors(
+                [3, 12, 13, "Punctuator"]
+            )
+        },
+        {
+            code: unIndent`
+                TestClass.prototype.method = function () {
+                  return Promise.resolve(3)
+                      .then(function (x) {
+                      return x;
+                    });
+                };
+            `,
+            output: unIndent`
+                TestClass.prototype.method = function () {
+                  return Promise.resolve(3)
+                    .then(function (x) {
+                      return x;
+                    });
+                };
+            `,
+            options: [2, { MemberExpression: 1 }],
+            errors: expectedErrors([3, 4, 6, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                while (a)
+                b();
+            `,
+            output: unIndent`
+                while (a)
+                    b();
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                lmn = [{
+                        a: 1
+                    },
+                    {
+                        b: 2
+                    },
+                    {
+                        x: 2
+                }];
+            `,
+            output: unIndent`
+                lmn = [{
+                    a: 1
+                },
+                {
+                    b: 2
+                },
+                {
+                    x: 2
+                }];
+            `,
+            errors: expectedErrors([
+                [2, 4, 8, "Identifier"],
+                [3, 0, 4, "Punctuator"],
+                [4, 0, 4, "Punctuator"],
+                [5, 4, 8, "Identifier"],
+                [6, 0, 4, "Punctuator"],
+                [7, 0, 4, "Punctuator"],
+                [8, 4, 8, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                for (var foo = 1;
+                foo < 10;
+                foo++) {}
+            `,
+            output: unIndent`
+                for (var foo = 1;
+                    foo < 10;
+                    foo++) {}
+            `,
+            errors: expectedErrors([[2, 4, 0, "Identifier"], [3, 4, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                for (
+                var foo = 1;
+                foo < 10;
+                foo++
+                    ) {}
+            `,
+            output: unIndent`
+                for (
+                    var foo = 1;
+                    foo < 10;
+                    foo++
+                ) {}
+            `,
+            errors: expectedErrors([[2, 4, 0, "Keyword"], [3, 4, 0, "Identifier"], [4, 4, 0, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                for (;;)
+                b();
+            `,
+            output: unIndent`
+                for (;;)
+                    b();
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                for (a in x)
+                b();
+            `,
+            output: unIndent`
+                for (a in x)
+                    b();
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                do
+                b();
+                while(true)
+            `,
+            output: unIndent`
+                do
+                    b();
+                while(true)
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                if(true)
+                b();
+            `,
+            output: unIndent`
+                if(true)
+                    b();
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var test = {
+                      a: 1,
+                    b: 2
+                    };
+            `,
+            output: unIndent`
+                var test = {
+                  a: 1,
+                  b: 2
+                };
+            `,
+            options: [2],
+            errors: expectedErrors([
+                [2, 2, 6, "Identifier"],
+                [3, 2, 4, "Identifier"],
+                [4, 0, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = function() {
+                      a++;
+                    b++;
+                          c++;
+                    },
+                    b;
+            `,
+            output: unIndent`
+                var a = function() {
+                        a++;
+                        b++;
+                        c++;
+                    },
+                    b;
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 8, 6, "Identifier"],
+                [3, 8, 4, "Identifier"],
+                [4, 8, 10, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = 1,
+                b = 2,
+                c = 3;
+            `,
+            output: unIndent`
+                var a = 1,
+                    b = 2,
+                    c = 3;
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 4, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                [a, b,
+                    c].forEach((index) => {
+                        index;
+                    });
+            `,
+            output: unIndent`
+                [a, b,
+                    c].forEach((index) => {
+                    index;
+                });
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [3, 4, 8, "Identifier"],
+                [4, 0, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                [a, b,
+                c].forEach(function(index){
+                  return index;
+                });
+            `,
+            output: unIndent`
+                [a, b,
+                    c].forEach(function(index){
+                    return index;
+                });
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 4, 2, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                [a, b, c].forEach(function(index){
+                  return index;
+                });
+            `,
+            output: unIndent`
+                [a, b, c].forEach(function(index){
+                    return index;
+                });
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 2, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                (foo)
+                    .bar([
+                    baz
+                ]);
+            `,
+            output: unIndent`
+                (foo)
+                    .bar([
+                        baz
+                    ]);
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[3, 8, 4, "Identifier"], [4, 4, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var x = ['a',
+                         'b',
+                         'c'
+                ];
+            `,
+            output: unIndent`
+                var x = ['a',
+                    'b',
+                    'c'
+                ];
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "String"],
+                [3, 4, 9, "String"]
+            ])
+        },
+        {
+            code: unIndent`
+                var x = [
+                         'a',
+                         'b',
+                         'c'
+                ];
+            `,
+            output: unIndent`
+                var x = [
+                    'a',
+                    'b',
+                    'c'
+                ];
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "String"],
+                [3, 4, 9, "String"],
+                [4, 4, 9, "String"]
+            ])
+        },
+        {
+            code: unIndent`
+                var x = [
+                         'a',
+                         'b',
+                         'c',
+                'd'];
+            `,
+            output: unIndent`
+                var x = [
+                    'a',
+                    'b',
+                    'c',
+                    'd'];
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "String"],
+                [3, 4, 9, "String"],
+                [4, 4, 9, "String"],
+                [5, 4, 0, "String"]
+            ])
+        },
+        {
+            code: unIndent`
+                var x = [
+                         'a',
+                         'b',
+                         'c'
+                  ];
+            `,
+            output: unIndent`
+                var x = [
+                    'a',
+                    'b',
+                    'c'
+                ];
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 4, 9, "String"],
+                [3, 4, 9, "String"],
+                [4, 4, 9, "String"],
+                [5, 0, 2, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                [[
+                ], function(
+                        foo
+                    ) {}
+                ]
+            `,
+            output: unIndent`
+                [[
+                ], function(
+                    foo
+                ) {}
+                ]
+            `,
+            errors: expectedErrors([[3, 4, 8, "Identifier"], [4, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                define([
+                    'foo'
+                ], function(
+                        bar
+                    ) {
+                    baz;
+                }
+                )
+            `,
+            output: unIndent`
+                define([
+                    'foo'
+                ], function(
+                    bar
+                ) {
+                    baz;
+                }
+                )
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                while (1 < 2)
+                console.log('foo')
+                  console.log('bar')
+            `,
+            output: unIndent`
+                while (1 < 2)
+                  console.log('foo')
+                console.log('bar')
+            `,
+            options: [2],
+            errors: expectedErrors([
+                [2, 2, 0, "Identifier"],
+                [3, 0, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                function salutation () {
+                  switch (1) {
+                  case 0: return console.log('hi')
+                    case 1: return console.log('hey')
+                  }
+                }
+            `,
+            output: unIndent`
+                function salutation () {
+                  switch (1) {
+                    case 0: return console.log('hi')
+                    case 1: return console.log('hey')
+                  }
+                }
+            `,
+            options: [2, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [3, 4, 2, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,
+                height, rotate;
+            `,
+            output: unIndent`
+                var geometry, box, face1, face2, colorT, colorB, sprite, padding, maxWidth,
+                  height, rotate;
+            `,
+            options: [2, { SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                switch (a) {
+                case '1':
+                b();
+                break;
+                default:
+                c();
+                break;
+                }
+            `,
+            output: unIndent`
+                switch (a) {
+                        case '1':
+                            b();
+                            break;
+                        default:
+                            c();
+                            break;
+                }
+            `,
+            options: [4, { SwitchCase: 2 }],
+            errors: expectedErrors([
+                [2, 8, 0, "Keyword"],
+                [3, 12, 0, "Identifier"],
+                [4, 12, 0, "Keyword"],
+                [5, 8, 0, "Keyword"],
+                [6, 12, 0, "Identifier"],
+                [7, 12, 0, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                var geometry,
+                rotate;
+            `,
+            output: unIndent`
+                var geometry,
+                  rotate;
+            `,
+            options: [2, { VariableDeclarator: 1 }],
+            errors: expectedErrors([
+                [2, 2, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var geometry,
+                  rotate;
+            `,
+            output: unIndent`
+                var geometry,
+                    rotate;
+            `,
+            options: [2, { VariableDeclarator: 2 }],
+            errors: expectedErrors([
+                [2, 4, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var geometry,
+                \trotate;
+            `,
+            output: unIndent`
+                var geometry,
+                \t\trotate;
+            `,
+            options: ["tab", { VariableDeclarator: 2 }],
+            errors: expectedErrors("tab", [
+                [2, 2, 1, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                let geometry,
+                  rotate;
+            `,
+            output: unIndent`
+                let geometry,
+                    rotate;
+            `,
+            options: [2, { VariableDeclarator: 2 }],
+            errors: expectedErrors([
+                [2, 4, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                let foo = 'foo',
+                  bar = bar;
+                const a = 'a',
+                  b = 'b';
+            `,
+            output: unIndent`
+                let foo = 'foo',
+                    bar = bar;
+                const a = 'a',
+                      b = 'b';
+            `,
+            options: [2, { VariableDeclarator: "first" }],
+            errors: expectedErrors([
+                [2, 4, 2, "Identifier"],
+                [4, 6, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var foo = 'foo',
+                  bar = bar;
+            `,
+            output: unIndent`
+                var foo = 'foo',
+                    bar = bar;
+            `,
+            options: [2, { VariableDeclarator: { var: "first" } }],
+            errors: expectedErrors([
+                [2, 4, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                if(true)
+                  if (true)
+                    if (true)
+                    console.log(val);
+            `,
+            output: unIndent`
+                if(true)
+                  if (true)
+                    if (true)
+                      console.log(val);
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [4, 6, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = {
+                    a: 1,
+                    b: 2
+                }
+            `,
+            output: unIndent`
+                var a = {
+                  a: 1,
+                  b: 2
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 4, "Identifier"],
+                [3, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = [
+                    a,
+                    b
+                ]
+            `,
+            output: unIndent`
+                var a = [
+                  a,
+                  b
+                ]
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 4, "Identifier"],
+                [3, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                let a = [
+                    a,
+                    b
+                ]
+            `,
+            output: unIndent`
+                let a = [
+                  a,
+                  b
+                ]
+            `,
+            options: [2, { VariableDeclarator: { let: 2 }, SwitchCase: 1 }],
+            errors: expectedErrors([
+                [2, 2, 4, "Identifier"],
+                [3, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = new Test({
+                      a: 1
+                  }),
+                    b = 4;
+            `,
+            output: unIndent`
+                var a = new Test({
+                        a: 1
+                    }),
+                    b = 4;
+            `,
+            options: [4],
+            errors: expectedErrors([
+                [2, 8, 6, "Identifier"],
+                [3, 4, 2, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = new Test({
+                      a: 1
+                    }),
+                    b = 4;
+                const c = new Test({
+                      a: 1
+                    }),
+                    d = 4;
+            `,
+            output: unIndent`
+                var a = new Test({
+                      a: 1
+                    }),
+                    b = 4;
+                const c = new Test({
+                    a: 1
+                  }),
+                  d = 4;
+            `,
+            options: [2, { VariableDeclarator: { var: 2 } }],
+            errors: expectedErrors([
+                [6, 4, 6, "Identifier"],
+                [7, 2, 4, "Punctuator"],
+                [8, 2, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var abc = 5,
+                    c = 2,
+                    xyz =
+                    {
+                      a: 1,
+                       b: 2
+                    };
+            `,
+            output: unIndent`
+                var abc = 5,
+                    c = 2,
+                    xyz =
+                    {
+                      a: 1,
+                      b: 2
+                    };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([6, 6, 7, "Identifier"])
+        },
+        {
+            code: unIndent`
+                var abc =
+                     {
+                       a: 1,
+                        b: 2
+                     };
+            `,
+            output: unIndent`
+                var abc =
+                     {
+                       a: 1,
+                       b: 2
+                     };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([4, 7, 8, "Identifier"])
+        },
+        {
+            code: unIndent`
+                var foo = {
+                    bar: 1,
+                    baz: {
+                        qux: 2
+                      }
+                  },
+                  bar = 1;
+            `,
+            output: unIndent`
+                var foo = {
+                    bar: 1,
+                    baz: {
+                      qux: 2
+                    }
+                  },
+                  bar = 1;
+            `,
+            options: [2],
+            errors: expectedErrors([[4, 6, 8, "Identifier"], [5, 4, 6, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var path     = require('path')
+                 , crypto    = require('crypto')
+                ;
+            `,
+            output: unIndent`
+                var path     = require('path')
+                  , crypto    = require('crypto')
+                ;
+            `,
+            options: [2],
+            errors: expectedErrors([
+                [2, 2, 1, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a = 1
+                   ,b = 2
+                ;
+            `,
+            output: unIndent`
+                var a = 1
+                    ,b = 2
+                ;
+            `,
+            errors: expectedErrors([
+                [2, 4, 3, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                class A{
+                  constructor(){}
+                    a(){}
+                    get b(){}
+                }
+            `,
+            output: unIndent`
+                class A{
+                    constructor(){}
+                    a(){}
+                    get b(){}
+                }
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            errors: expectedErrors([[2, 4, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var A = class {
+                  constructor(){}
+                    a(){}
+                  get b(){}
+                };
+            `,
+            output: unIndent`
+                var A = class {
+                    constructor(){}
+                    a(){}
+                    get b(){}
+                };
+            `,
+            options: [4, { VariableDeclarator: 1, SwitchCase: 1 }],
+            errors: expectedErrors([[2, 4, 2, "Identifier"], [4, 4, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var a = 1,
+                    B = class {
+                    constructor(){}
+                      a(){}
+                      get b(){}
+                    };
+            `,
+            output: unIndent`
+                var a = 1,
+                    B = class {
+                      constructor(){}
+                      a(){}
+                      get b(){}
+                    };
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([[3, 6, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                {
+                    if(a){
+                        foo();
+                    }
+                  else{
+                        bar();
+                    }
+                }
+            `,
+            output: unIndent`
+                {
+                    if(a){
+                        foo();
+                    }
+                    else{
+                        bar();
+                    }
+                }
+            `,
+            options: [4],
+            errors: expectedErrors([[5, 4, 2, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                {
+                    if(a){
+                        foo();
+                    }
+                  else
+                        bar();
+
+                }
+            `,
+            output: unIndent`
+                {
+                    if(a){
+                        foo();
+                    }
+                    else
+                        bar();
+
+                }
+            `,
+            options: [4],
+            errors: expectedErrors([[5, 4, 2, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                {
+                    if(a)
+                        foo();
+                  else
+                        bar();
+                }
+            `,
+            output: unIndent`
+                {
+                    if(a)
+                        foo();
+                    else
+                        bar();
+                }
+            `,
+            options: [4],
+            errors: expectedErrors([[4, 4, 2, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                (function(){
+                  function foo(x) {
+                    return x + 1;
+                  }
+                })();
+            `,
+            output: unIndent`
+                (function(){
+                function foo(x) {
+                  return x + 1;
+                }
+                })();
+            `,
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[2, 0, 2, "Keyword"], [3, 2, 4, "Keyword"], [4, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                (function(){
+                    function foo(x) {
+                        return x + 1;
+                    }
+                })();
+            `,
+            output: unIndent`
+                (function(){
+                        function foo(x) {
+                            return x + 1;
+                        }
+                })();
+            `,
+            options: [4, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 8, 4, "Keyword"], [3, 12, 8, "Keyword"], [4, 8, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                if(data) {
+                console.log('hi');
+                }
+            `,
+            output: unIndent`
+                if(data) {
+                  console.log('hi');
+                }
+            `,
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[2, 2, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var ns = function(){
+                    function fooVar(x) {
+                        return x + 1;
+                    }
+                }(x);
+            `,
+            output: unIndent`
+                var ns = function(){
+                        function fooVar(x) {
+                            return x + 1;
+                        }
+                }(x);
+            `,
+            options: [4, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 8, 4, "Keyword"], [3, 12, 8, "Keyword"], [4, 8, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var obj = {
+                  foo: function() {
+                  return true;
+                  }()
+                };
+            `,
+            output: unIndent`
+                var obj = {
+                  foo: function() {
+                    return true;
+                  }()
+                };
+            `,
+            options: [2, { outerIIFEBody: 0 }],
+            errors: expectedErrors([[3, 4, 2, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                typeof function() {
+                    function fooVar(x) {
+                      return x + 1;
+                    }
+                }();
+            `,
+            output: unIndent`
+                typeof function() {
+                  function fooVar(x) {
+                    return x + 1;
+                  }
+                }();
+            `,
+            options: [2, { outerIIFEBody: 2 }],
+            errors: expectedErrors([[2, 2, 4, "Keyword"], [3, 4, 6, "Keyword"], [4, 2, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                {
+                \t!function(x) {
+                \t\t\t\treturn x + 1;
+                \t}()
+                };
+            `,
+            output: unIndent`
+                {
+                \t!function(x) {
+                \t\treturn x + 1;
+                \t}()
+                };
+            `,
+            options: ["tab", { outerIIFEBody: 3 }],
+            errors: expectedErrors("tab", [[3, 2, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                (function(){
+                    function foo(x) {
+                    return x + 1;
+                    }
+                })();
+            `,
+            output: unIndent`
+                (function(){
+                    function foo(x) {
+                        return x + 1;
+                    }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }],
+            errors: expectedErrors([[3, 8, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                (function(){
+                function foo(x) {
+                return x + 1;
+                }
+                })();
+            `,
+            output: unIndent`
+                (function(){
+                function foo(x) {
+                    return x + 1;
+                }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }],
+            errors: expectedErrors([[3, 4, 0, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                (() => {
+                    function foo(x) {
+                    return x + 1;
+                    }
+                })();
+            `,
+            output: unIndent`
+                (() => {
+                    function foo(x) {
+                        return x + 1;
+                    }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }],
+            errors: expectedErrors([[3, 8, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                (() => {
+                function foo(x) {
+                return x + 1;
+                }
+                })();
+            `,
+            output: unIndent`
+                (() => {
+                function foo(x) {
+                    return x + 1;
+                }
+                })();
+            `,
+            options: [4, { outerIIFEBody: "off" }],
+            errors: expectedErrors([[3, 4, 0, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                Buffer
+                .toString()
+            `,
+            output: unIndent`
+                Buffer
+                    .toString()
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[2, 4, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                Buffer
+                    .indexOf('a')
+                .toString()
+            `,
+            output: unIndent`
+                Buffer
+                    .indexOf('a')
+                    .toString()
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[3, 4, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                Buffer.
+                length
+            `,
+            output: unIndent`
+                Buffer.
+                    length
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([[2, 4, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                Buffer.
+                \t\tlength
+            `,
+            output: unIndent`
+                Buffer.
+                \tlength
+            `,
+            options: ["tab", { MemberExpression: 1 }],
+            errors: expectedErrors("tab", [[2, 1, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                Buffer
+                  .foo
+                  .bar
+            `,
+            output: unIndent`
+                Buffer
+                    .foo
+                    .bar
+            `,
+            options: [2, { MemberExpression: 2 }],
+            errors: expectedErrors([[2, 4, 2, "Punctuator"], [3, 4, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    new
+                    .target
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    new
+                        .target
+                }
+            `,
+            errors: expectedErrors([3, 8, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    new.
+                    target
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    new.
+                        target
+                }
+            `,
+            errors: expectedErrors([3, 8, 4, "Identifier"])
+        },
+        {
+
+            // Indentation with multiple else statements: https://github.com/eslint/eslint/issues/6956
+
+            code: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                  else if (qux) qux();
+            `,
+            output: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                else if (qux) qux();
+            `,
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Keyword"])
+        },
+        {
+            code: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                  else qux();
+            `,
+            output: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                else qux();
+            `,
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Keyword"])
+        },
+        {
+            code: unIndent`
+                foo();
+                  if (baz) foobar();
+                  else qux();
+            `,
+            output: unIndent`
+                foo();
+                if (baz) foobar();
+                else qux();
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 0, 2, "Keyword"], [3, 0, 2, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                     else if (bip) {
+                       qux();
+                     }
+            `,
+            output: unIndent`
+                if (foo) bar();
+                else if (baz) foobar();
+                else if (bip) {
+                  qux();
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[3, 0, 5, "Keyword"], [4, 2, 7, "Identifier"], [5, 0, 5, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                if (foo) bar();
+                else if (baz) {
+                    foobar();
+                     } else if (boop) {
+                       qux();
+                     }
+            `,
+            output: unIndent`
+                if (foo) bar();
+                else if (baz) {
+                  foobar();
+                } else if (boop) {
+                  qux();
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[3, 2, 4, "Identifier"], [4, 0, 5, "Punctuator"], [5, 2, 7, "Identifier"], [6, 0, 5, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                    bbb, ccc, ddd) {
+                      bar();
+                }
+            `,
+            output: unIndent`
+                function foo(aaa,
+                  bbb, ccc, ddd) {
+                    bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: 1, body: 2 } }],
+            errors: expectedErrors([[2, 2, 4, "Identifier"], [3, 4, 6, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo(aaa, bbb,
+                  ccc, ddd) {
+                bar();
+                }
+            `,
+            output: unIndent`
+                function foo(aaa, bbb,
+                      ccc, ddd) {
+                  bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: 3, body: 1 } }],
+            errors: expectedErrors([[2, 6, 2, "Identifier"], [3, 2, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                        bbb,
+                  ccc) {
+                      bar();
+                }
+            `,
+            output: unIndent`
+                function foo(aaa,
+                    bbb,
+                    ccc) {
+                            bar();
+                }
+            `,
+            options: [4, { FunctionDeclaration: { parameters: 1, body: 3 } }],
+            errors: expectedErrors([[2, 4, 8, "Identifier"], [3, 4, 2, "Identifier"], [4, 12, 6, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo(aaa,
+                  bbb, ccc,
+                                   ddd, eee, fff) {
+                   bar();
+                }
+            `,
+            output: unIndent`
+                function foo(aaa,
+                             bbb, ccc,
+                             ddd, eee, fff) {
+                  bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 1 } }],
+            errors: expectedErrors([[2, 13, 2, "Identifier"], [3, 13, 19, "Identifier"], [4, 2, 3, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo(aaa, bbb)
+                {
+                bar();
+                }
+            `,
+            output: unIndent`
+                function foo(aaa, bbb)
+                {
+                      bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 3 } }],
+            errors: expectedErrors([3, 6, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                function foo(
+                aaa,
+                    bbb) {
+                bar();
+                }
+            `,
+            output: unIndent`
+                function foo(
+                  aaa,
+                  bbb) {
+                    bar();
+                }
+            `,
+            options: [2, { FunctionDeclaration: { parameters: "first", body: 2 } }],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [3, 2, 4, "Identifier"], [4, 4, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                  bbb,
+                    ccc,
+                      ddd) {
+                  bar();
+                }
+            `,
+            output: unIndent`
+                var foo = function(aaa,
+                    bbb,
+                    ccc,
+                    ddd) {
+                bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 2, body: 0 } }],
+            errors: expectedErrors([[2, 4, 2, "Identifier"], [4, 4, 6, "Identifier"], [5, 0, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                   bbb,
+                 ccc) {
+                  bar();
+                }
+            `,
+            output: unIndent`
+                var foo = function(aaa,
+                  bbb,
+                  ccc) {
+                                    bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 1, body: 10 } }],
+            errors: expectedErrors([[2, 2, 3, "Identifier"], [3, 2, 1, "Identifier"], [4, 20, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = function(aaa,
+                  bbb, ccc, ddd,
+                                        eee, fff) {
+                        bar();
+                }
+            `,
+            output: unIndent`
+                var foo = function(aaa,
+                                   bbb, ccc, ddd,
+                                   eee, fff) {
+                    bar();
+                }
+            `,
+            options: [4, { FunctionExpression: { parameters: "first", body: 1 } }],
+            errors: expectedErrors([[2, 19, 2, "Identifier"], [3, 19, 24, "Identifier"], [4, 4, 8, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = function(
+                aaa, bbb, ccc,
+                    ddd, eee) {
+                  bar();
+                }
+            `,
+            output: unIndent`
+                var foo = function(
+                  aaa, bbb, ccc,
+                  ddd, eee) {
+                      bar();
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: "first", body: 3 } }],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [3, 2, 4, "Identifier"], [4, 6, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = bar;
+                \t\t\tvar baz = qux;
+            `,
+            output: unIndent`
+                var foo = bar;
+                var baz = qux;
+            `,
+            options: [2],
+            errors: expectedErrors([2, "0 spaces", "3 tabs", "Keyword"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                \tbar();
+                  baz();
+                              qux();
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                \tbar();
+                \tbaz();
+                \tqux();
+                }
+            `,
+            options: ["tab"],
+            errors: expectedErrors("tab", [[3, "1 tab", "2 spaces", "Identifier"], [4, "1 tab", "14 spaces", "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  bar();
+                \t\t}
+            `,
+            output: unIndent`
+                function foo() {
+                  bar();
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[3, "0 spaces", "2 tabs", "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  function bar() {
+                        baz();
+                  }
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  function bar() {
+                    baz();
+                  }
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 1 } }],
+            errors: expectedErrors([3, 4, 8, "Identifier"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  function bar(baz,
+                    qux) {
+                    foobar();
+                  }
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  function bar(baz,
+                      qux) {
+                    foobar();
+                  }
+                }
+            `,
+            options: [2, { FunctionDeclaration: { body: 1, parameters: 2 } }],
+            errors: expectedErrors([3, 6, 4, "Identifier"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  var bar = function(baz,
+                          qux) {
+                    foobar();
+                  };
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  var bar = function(baz,
+                        qux) {
+                    foobar();
+                  };
+                }
+            `,
+            options: [2, { FunctionExpression: { parameters: 3 } }],
+            errors: expectedErrors([3, 8, 10, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo.bar(
+                      baz, qux, function() {
+                        qux;
+                      }
+                );
+            `,
+            output: unIndent`
+                foo.bar(
+                      baz, qux, function() {
+                            qux;
+                      }
+                );
+            `,
+            options: [2, { FunctionExpression: { body: 3 }, CallExpression: { arguments: 3 } }],
+            errors: expectedErrors([3, 12, 8, "Identifier"])
+        },
+        {
+            code: unIndent`
+                {
+                    try {
+                    }
+                catch (err) {
+                    }
+                finally {
+                    }
+                }
+            `,
+            output: unIndent`
+                {
+                    try {
+                    }
+                    catch (err) {
+                    }
+                    finally {
+                    }
+                }
+            `,
+            errors: expectedErrors([
+                [4, 4, 0, "Keyword"],
+                [6, 4, 0, "Keyword"]
+            ])
+        },
+        {
+            code: unIndent`
+                {
+                    do {
+                    }
+                while (true)
+                }
+            `,
+            output: unIndent`
+                {
+                    do {
+                    }
+                    while (true)
+                }
+            `,
+            errors: expectedErrors([4, 4, 0, "Keyword"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  return (
+                    1
+                    )
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  return (
+                    1
+                  )
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[4, 2, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                  return (
+                    1
+                    );
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  return (
+                    1
+                  );
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[4, 2, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function test(){
+                  switch(length){
+                    case 1: return function(a){
+                    return fn.call(that, a);
+                    };
+                  }
+                }
+            `,
+            output: unIndent`
+                function test(){
+                  switch(length){
+                    case 1: return function(a){
+                      return fn.call(that, a);
+                    };
+                  }
+                }
+            `,
+            options: [2, { VariableDeclarator: 2, SwitchCase: 1 }],
+            errors: expectedErrors([[4, 6, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                   return 1
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  return 1
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 3, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                foo(
+                bar,
+                  baz,
+                    qux);
+            `,
+            output: unIndent`
+                foo(
+                  bar,
+                  baz,
+                  qux);
+            `,
+            options: [2, { CallExpression: { arguments: 1 } }],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [4, 2, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo(
+                \tbar,
+                \tbaz);
+            `,
+            output: unIndent`
+                foo(
+                    bar,
+                    baz);
+            `,
+            options: [2, { CallExpression: { arguments: 2 } }],
+            errors: expectedErrors([[2, "4 spaces", "1 tab", "Identifier"], [3, "4 spaces", "1 tab", "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo(bar,
+                \t\tbaz,
+                \t\tqux);
+            `,
+            output: unIndent`
+                foo(bar,
+                \tbaz,
+                \tqux);
+            `,
+            options: ["tab", { CallExpression: { arguments: 1 } }],
+            errors: expectedErrors("tab", [[2, 1, 2, "Identifier"], [3, 1, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo(bar, baz,
+                         qux);
+            `,
+            output: unIndent`
+                foo(bar, baz,
+                    qux);
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([2, 4, 9, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo(
+                          bar,
+                    baz);
+            `,
+            output: unIndent`
+                foo(
+                  bar,
+                  baz);
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([[2, 2, 10, "Identifier"], [3, 2, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo(bar,
+                  1 + 2,
+                              !baz,
+                        new Car('!')
+                );
+            `,
+            output: unIndent`
+                foo(bar,
+                      1 + 2,
+                      !baz,
+                      new Car('!')
+                );
+            `,
+            options: [2, { CallExpression: { arguments: 3 } }],
+            errors: expectedErrors([[2, 6, 2, "Numeric"], [3, 6, 14, "Punctuator"], [4, 6, 8, "Keyword"]])
+        },
+
+        // https://github.com/eslint/eslint/issues/7573
+        {
+            code: unIndent`
+                return (
+                    foo
+                    );
+            `,
+            output: unIndent`
+                return (
+                    foo
+                );
+            `,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                return (
+                    foo
+                    )
+            `,
+            output: unIndent`
+                return (
+                    foo
+                )
+            `,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+
+        // https://github.com/eslint/eslint/issues/7604
+        {
+            code: unIndent`
+                if (foo) {
+                        /* comment */bar();
+                }
+            `,
+            output: unIndent`
+                if (foo) {
+                    /* comment */bar();
+                }
+            `,
+            errors: expectedErrors([2, 4, 8, "Block"])
+        },
+        {
+            code: unIndent`
+                foo('bar',
+                        /** comment */{
+                        ok: true
+                    });
+            `,
+            output: unIndent`
+                foo('bar',
+                    /** comment */{
+                        ok: true
+                    });
+            `,
+            errors: expectedErrors([2, 4, 8, "Block"])
+        },
+        {
+            code: unIndent`
+                foo(
+                (bar)
+                );
+            `,
+            output: unIndent`
+                foo(
+                    (bar)
+                );
+            `,
+            options: [4, { CallExpression: { arguments: 1 } }],
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                ((
+                foo
+                ))
+            `,
+            output: unIndent`
+                ((
+                    foo
+                ))
+            `,
+            options: [4],
+            errors: expectedErrors([2, 4, 0, "Identifier"])
+        },
+
+        // ternary expressions (https://github.com/eslint/eslint/issues/7420)
+        {
+            code: unIndent`
+                foo
+                ? bar
+                    : baz
+            `,
+            output: unIndent`
+                foo
+                  ? bar
+                  : baz
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 0, "Punctuator"], [3, 2, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                [
+                    foo ?
+                        bar :
+                        baz,
+                        qux
+                ]
+            `,
+            output: unIndent`
+                [
+                    foo ?
+                        bar :
+                        baz,
+                    qux
+                ]
+            `,
+            errors: expectedErrors([5, 4, 8, "Identifier"])
+        },
+        {
+            code: unIndent`
+              condition
+              ? () => {
+              return true
+              }
+              : condition2
+              ? () => {
+              return true
+              }
+              : () => {
+              return false
+              }
+            `,
+            output: unIndent`
+              condition
+                ? () => {
+                    return true
+                  }
+                : condition2
+                  ? () => {
+                      return true
+                    }
+                  : () => {
+                      return false
+                    }
+            `,
+            options: [2, { offsetTernaryExpressions: true }],
+            errors: expectedErrors([
+                [2, 2, 0, "Punctuator"],
+                [3, 6, 0, "Keyword"],
+                [4, 4, 0, "Punctuator"],
+                [5, 2, 0, "Punctuator"],
+                [6, 4, 0, "Punctuator"],
+                [7, 8, 0, "Keyword"],
+                [8, 6, 0, "Punctuator"],
+                [9, 4, 0, "Punctuator"],
+                [10, 8, 0, "Keyword"],
+                [11, 6, 0, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+              condition
+              ? () => {
+              return true
+              }
+              : condition2
+              ? () => {
+              return true
+              }
+              : () => {
+              return false
+              }
+            `,
+            output: unIndent`
+              condition
+                ? () => {
+                  return true
+                }
+                : condition2
+                  ? () => {
+                    return true
+                  }
+                  : () => {
+                    return false
+                  }
+            `,
+            options: [2, { offsetTernaryExpressions: false }],
+            errors: expectedErrors([
+                [2, 2, 0, "Punctuator"],
+                [3, 4, 0, "Keyword"],
+                [4, 2, 0, "Punctuator"],
+                [5, 2, 0, "Punctuator"],
+                [6, 4, 0, "Punctuator"],
+                [7, 6, 0, "Keyword"],
+                [8, 4, 0, "Punctuator"],
+                [9, 4, 0, "Punctuator"],
+                [10, 6, 0, "Keyword"],
+                [11, 4, 0, "Punctuator"]
+            ])
+        },
+        {
+
+            /*
+             * Checking comments:
+             * https://github.com/eslint/eslint/issues/6571
+             */
+            code: unIndent`
+                foo();
+                  // comment
+                    /* multiline
+                  comment */
+                bar();
+                 // trailing comment
+            `,
+            output: unIndent`
+                foo();
+                // comment
+                /* multiline
+                  comment */
+                bar();
+                // trailing comment
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 0, 2, "Line"], [3, 0, 4, "Block"], [6, 0, 1, "Line"]])
+        },
+        {
+            code: "  // comment",
+            output: "// comment",
+            errors: expectedErrors([1, 0, 2, "Line"])
+        },
+        {
+            code: unIndent`
+                foo
+                  // comment
+            `,
+            output: unIndent`
+                foo
+                // comment
+            `,
+            errors: expectedErrors([2, 0, 2, "Line"])
+        },
+        {
+            code: unIndent`
+                  // comment
+                foo
+            `,
+            output: unIndent`
+                // comment
+                foo
+            `,
+            errors: expectedErrors([1, 0, 2, "Line"])
+        },
+        {
+            code: unIndent`
+                [
+                        // no elements
+                ]
+            `,
+            output: unIndent`
+                [
+                    // no elements
+                ]
+            `,
+            errors: expectedErrors([2, 4, 8, "Line"])
+        },
+        {
+
+            /*
+             * Destructuring assignments:
+             * https://github.com/eslint/eslint/issues/6813
+             */
+            code: unIndent`
+                var {
+                foo,
+                  bar,
+                    baz: qux,
+                      foobar: baz = foobar
+                  } = qux;
+            `,
+            output: unIndent`
+                var {
+                  foo,
+                  bar,
+                  baz: qux,
+                  foobar: baz = foobar
+                } = qux;
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [4, 2, 4, "Identifier"], [5, 2, 6, "Identifier"], [6, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                const {
+                  a
+                } = {
+                    a: 1
+                  }
+            `,
+            output: unIndent`
+                const {
+                  a
+                } = {
+                  a: 1
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[4, 2, 4, "Identifier"], [5, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var foo = [
+                           bar,
+                  baz
+                          ]
+            `,
+            output: unIndent`
+                var foo = [
+                    bar,
+                    baz
+                ]
+            `,
+            errors: expectedErrors([[2, 4, 11, "Identifier"], [3, 4, 2, "Identifier"], [4, 0, 10, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                baz,
+                    qux
+                ]
+            `,
+            output: unIndent`
+                var foo = [bar,
+                    baz,
+                    qux
+                ]
+            `,
+            errors: expectedErrors([2, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                  baz,
+                  qux
+                ]
+            `,
+            output: unIndent`
+                var foo = [bar,
+                baz,
+                qux
+                ]
+            `,
+            options: [2, { ArrayExpression: 0 }],
+            errors: expectedErrors([[2, 0, 2, "Identifier"], [3, 0, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                  baz,
+                  qux
+                ]
+            `,
+            output: unIndent`
+                var foo = [bar,
+                                baz,
+                                qux
+                ]
+            `,
+            options: [2, { ArrayExpression: 8 }],
+            errors: expectedErrors([[2, 16, 2, "Identifier"], [3, 16, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                    baz,
+                    qux
+                ]
+            `,
+            output: unIndent`
+                var foo = [bar,
+                           baz,
+                           qux
+                ]
+            `,
+            options: [2, { ArrayExpression: "first" }],
+            errors: expectedErrors([[2, 11, 4, "Identifier"], [3, 11, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = [bar,
+                    baz, qux
+                ]
+            `,
+            output: unIndent`
+                var foo = [bar,
+                           baz, qux
+                ]
+            `,
+            options: [2, { ArrayExpression: "first" }],
+            errors: expectedErrors([2, 11, 4, "Identifier"])
+        },
+        {
+            code: unIndent`
+                var foo = [
+                        { bar: 1,
+                            baz: 2 },
+                        { bar: 3,
+                            qux: 4 }
+                ]
+            `,
+            output: unIndent`
+                var foo = [
+                        { bar: 1,
+                          baz: 2 },
+                        { bar: 3,
+                          qux: 4 }
+                ]
+            `,
+            options: [4, { ArrayExpression: 2, ObjectExpression: "first" }],
+            errors: expectedErrors([[3, 10, 12, "Identifier"], [5, 10, 12, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = {
+                  bar: 1,
+                  baz: 2
+                };
+            `,
+            output: unIndent`
+                var foo = {
+                bar: 1,
+                baz: 2
+                };
+            `,
+            options: [2, { ObjectExpression: 0 }],
+            errors: expectedErrors([[2, 0, 2, "Identifier"], [3, 0, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var quux = { foo: 1, bar: 2,
+                baz: 3 }
+            `,
+            output: unIndent`
+                var quux = { foo: 1, bar: 2,
+                             baz: 3 }
+            `,
+            options: [2, { ObjectExpression: "first" }],
+            errors: expectedErrors([2, 13, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    [
+                            foo
+                    ]
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                  [
+                          foo
+                  ]
+                }
+            `,
+            options: [2, { ArrayExpression: 4 }],
+            errors: expectedErrors([[2, 2, 4, "Punctuator"], [3, 10, 12, "Identifier"], [4, 2, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var [
+                foo,
+                  bar,
+                    baz,
+                      foobar = baz
+                  ] = qux;
+            `,
+            output: unIndent`
+                var [
+                  foo,
+                  bar,
+                  baz,
+                  foobar = baz
+                ] = qux;
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 0, "Identifier"], [4, 2, 4, "Identifier"], [5, 2, 6, "Identifier"], [6, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                import {
+                foo,
+                  bar,
+                    baz
+                } from 'qux';
+            `,
+            output: unIndent`
+                import {
+                    foo,
+                    bar,
+                    baz
+                } from 'qux';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[2, 4, 0, "Identifier"], [3, 4, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                import { foo,
+                         bar,
+                          baz,
+                } from 'qux';
+            `,
+            output: unIndent`
+                import { foo,
+                         bar,
+                         baz,
+                } from 'qux';
+            `,
+            options: [4, { ImportDeclaration: "first" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[3, 9, 10, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                import { foo,
+                    bar,
+                     baz,
+                } from 'qux';
+            `,
+            output: unIndent`
+                import { foo,
+                    bar,
+                    baz,
+                } from 'qux';
+            `,
+            options: [2, { ImportDeclaration: 2 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[3, 4, 5, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                foo,
+                  bar,
+                    baz
+                };
+            `,
+            output: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                    foo,
+                    bar,
+                    baz
+                };
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[3, 4, 0, "Identifier"], [4, 4, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                foo,
+                  bar,
+                    baz
+                } from 'qux';
+            `,
+            output: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                    foo,
+                    bar,
+                    baz
+                } from 'qux';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[3, 4, 0, "Identifier"], [4, 4, 2, "Identifier"]])
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7233
+            code: unIndent`
+                var folder = filePath
+                  .foo()
+                      .bar;
+            `,
+            output: unIndent`
+                var folder = filePath
+                    .foo()
+                    .bar;
+            `,
+            options: [2, { MemberExpression: 2 }],
+            errors: expectedErrors([[2, 4, 2, "Punctuator"], [3, 4, 6, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                for (const foo of bar)
+                    baz();
+            `,
+            output: unIndent`
+                for (const foo of bar)
+                  baz();
+            `,
+            options: [2],
+            errors: expectedErrors([2, 2, 4, "Identifier"])
+        },
+        {
+            code: unIndent`
+                var x = () =>
+                    5;
+            `,
+            output: unIndent`
+                var x = () =>
+                  5;
+            `,
+            options: [2],
+            errors: expectedErrors([2, 2, 4, "Numeric"])
+        },
+        {
+
+            // BinaryExpressions with parens
+            code: unIndent`
+                foo && (
+                        bar
+                )
+            `,
+            output: unIndent`
+                foo && (
+                    bar
+                )
+            `,
+            options: [4],
+            errors: expectedErrors([2, 4, 8, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo &&
+                    !bar(
+                )
+            `,
+            output: unIndent`
+                foo &&
+                    !bar(
+                    )
+            `,
+            errors: expectedErrors([3, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo &&
+                    ![].map(() => {
+                    bar();
+                })
+            `,
+            output: unIndent`
+                foo &&
+                    ![].map(() => {
+                        bar();
+                    })
+            `,
+            errors: expectedErrors([[3, 8, 4, "Identifier"], [4, 4, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                [
+                ] || [
+                    ]
+            `,
+            output: unIndent`
+                [
+                ] || [
+                ]
+            `,
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo
+                        || (
+                                bar
+                            )
+            `,
+            output: unIndent`
+                foo
+                        || (
+                            bar
+                        )
+            `,
+            errors: expectedErrors([[3, 12, 16, "Identifier"], [4, 8, 12, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                1
+                + (
+                        1
+                    )
+            `,
+            output: unIndent`
+                1
+                + (
+                    1
+                )
+            `,
+            errors: expectedErrors([[3, 4, 8, "Numeric"], [4, 0, 4, "Punctuator"]])
+        },
+
+        // Template curlies
+        {
+            code: unIndent`
+                \`foo\${
+                bar}\`
+            `,
+            output: unIndent`
+                \`foo\${
+                  bar}\`
+            `,
+            options: [2],
+            errors: expectedErrors([2, 2, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                    \`bar\${
+                baz}\`}\`
+            `,
+            output: unIndent`
+                \`foo\${
+                  \`bar\${
+                    baz}\`}\`
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 4, "Template"], [3, 4, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                    \`bar\${
+                  baz
+                    }\`
+                  }\`
+            `,
+            output: unIndent`
+                \`foo\${
+                  \`bar\${
+                    baz
+                  }\`
+                }\`
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 4, "Template"], [3, 4, 2, "Identifier"], [4, 2, 4, "Template"], [5, 0, 2, "Template"]])
+        },
+        {
+            code: unIndent`
+                \`foo\${
+                (
+                  bar
+                )
+                }\`
+            `,
+            output: unIndent`
+                \`foo\${
+                  (
+                    bar
+                  )
+                }\`
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 0, "Punctuator"], [3, 4, 2, "Identifier"], [4, 2, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    \`foo\${bar}baz\${
+                qux}foo\${
+                  bar}baz\`
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    \`foo\${bar}baz\${
+                        qux}foo\${
+                        bar}baz\`
+                }
+            `,
+            errors: expectedErrors([[3, 8, 0, "Identifier"], [4, 8, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    const template = \`the indentation of
+                a curly element in a \${
+                        node.type
+                    } node is checked.\`;
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    const template = \`the indentation of
+                a curly element in a \${
+                    node.type
+                } node is checked.\`;
+                }
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Template"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    const template = \`this time the
+                closing curly is at the end of the line \${
+                            foo}
+                        so the spaces before this line aren't removed.\`;
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    const template = \`this time the
+                closing curly is at the end of the line \${
+                    foo}
+                        so the spaces before this line aren't removed.\`;
+                }
+            `,
+            errors: expectedErrors([4, 4, 12, "Identifier"])
+        },
+        {
+
+            /*
+             * https://github.com/eslint/eslint/issues/1801
+             * Note: This issue also mentioned checking the indentation for the 2 below. However,
+             * this is intentionally ignored because everyone seems to have a different idea of how
+             * BinaryExpressions should be indented.
+             */
+            code: unIndent`
+                if (true) {
+                    a = (
+                1 +
+                        2);
+                }
+            `,
+            output: unIndent`
+                if (true) {
+                    a = (
+                        1 +
+                        2);
+                }
+            `,
+            errors: expectedErrors([3, 8, 0, "Numeric"])
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/3737
+            code: unIndent`
+                if (true) {
+                    for (;;) {
+                      b();
+                  }
+                }
+            `,
+            output: unIndent`
+                if (true) {
+                  for (;;) {
+                    b();
+                  }
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[2, 2, 4, "Keyword"], [3, 4, 6, "Identifier"]])
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/6670
+            code: unIndent`
+                function f() {
+                    return asyncCall()
+                    .then(
+                               'some string',
+                              [
+                              1,
+                         2,
+                                                   3
+                                      ]
+                );
+                 }
+            `,
+            output: unIndent`
+                function f() {
+                    return asyncCall()
+                        .then(
+                            'some string',
+                            [
+                                1,
+                                2,
+                                3
+                            ]
+                        );
+                }
+            `,
+            options: [4, { MemberExpression: 1, CallExpression: { arguments: 1 } }],
+            errors: expectedErrors([
+                [3, 8, 4, "Punctuator"],
+                [4, 12, 15, "String"],
+                [5, 12, 14, "Punctuator"],
+                [6, 16, 14, "Numeric"],
+                [7, 16, 9, "Numeric"],
+                [8, 16, 35, "Numeric"],
+                [9, 12, 22, "Punctuator"],
+                [10, 8, 0, "Punctuator"],
+                [11, 0, 1, "Punctuator"]
+            ])
+        },
+
+        // https://github.com/eslint/eslint/issues/7242
+        {
+            code: unIndent`
+                var x = [
+                      [1],
+                  [2]
+                ]
+            `,
+            output: unIndent`
+                var x = [
+                    [1],
+                    [2]
+                ]
+            `,
+            errors: expectedErrors([[2, 4, 6, "Punctuator"], [3, 4, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                var y = [
+                      {a: 1},
+                  {b: 2}
+                ]
+            `,
+            output: unIndent`
+                var y = [
+                    {a: 1},
+                    {b: 2}
+                ]
+            `,
+            errors: expectedErrors([[2, 4, 6, "Punctuator"], [3, 4, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                echo = spawn('cmd.exe',
+                            ['foo', 'bar',
+                             'baz']);
+            `,
+            output: unIndent`
+                echo = spawn('cmd.exe',
+                             ['foo', 'bar',
+                              'baz']);
+            `,
+            options: [2, { ArrayExpression: "first", CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([[2, 13, 12, "Punctuator"], [3, 14, 13, "String"]])
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7522
+            code: unIndent`
+                foo(
+                  )
+            `,
+            output: unIndent`
+                foo(
+                )
+            `,
+            errors: expectedErrors([2, 0, 2, "Punctuator"])
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7616
+            code: unIndent`
+                foo(
+                        bar,
+                    {
+                        baz: 1
+                    }
+                )
+            `,
+            output: unIndent`
+                foo(
+                    bar,
+                    {
+                        baz: 1
+                    }
+                )
+            `,
+            options: [4, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([[2, 4, 8, "Identifier"]])
+        },
+        {
+            code: "  new Foo",
+            output: "new Foo",
+            errors: expectedErrors([1, 0, 2, "Keyword"])
+        },
+        {
+            code: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                foo,
+                        bar,
+                  baz
+                }
+            `,
+            output: unIndent`
+                var foo = 0, bar = 0, baz = 0;
+                export {
+                    foo,
+                    bar,
+                    baz
+                }
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([[3, 4, 0, "Identifier"], [4, 4, 8, "Identifier"], [5, 4, 2, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar
+                : baz
+            `,
+            output: unIndent`
+                foo
+                    ? bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([3, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar :
+                baz
+            `,
+            output: unIndent`
+                foo ?
+                    bar :
+                    baz
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([3, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar
+                  : baz
+            `,
+            output: unIndent`
+                foo ?
+                    bar
+                    : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([3, 4, 2, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar :
+                baz
+            `,
+            output: unIndent`
+                foo
+                    ? bar :
+                    baz
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([3, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo ? bar
+                    : baz ? qux
+                        : foobar ? boop
+                            : beep
+            `,
+            output: unIndent`
+                foo ? bar
+                    : baz ? qux
+                    : foobar ? boop
+                    : beep
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([
+                [3, 4, 8, "Punctuator"],
+                [4, 4, 12, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo ? bar :
+                    baz ? qux :
+                        foobar ? boop :
+                            beep
+            `,
+            output: unIndent`
+                foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    beep
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([
+                [3, 4, 8, "Identifier"],
+                [4, 4, 12, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a =
+                    foo ? bar :
+                      baz ? qux :
+                  foobar ? boop :
+                    /*else*/ beep
+            `,
+            output: unIndent`
+                var a =
+                    foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    /*else*/ beep
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([
+                [3, 4, 6, "Identifier"],
+                [4, 4, 2, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                var a =
+                    foo
+                    ? bar
+                    : baz
+            `,
+            output: unIndent`
+                var a =
+                    foo
+                        ? bar
+                        : baz
+            `,
+            options: [4, { flatTernaryExpressions: true }],
+            errors: expectedErrors([
+                [3, 8, 4, "Punctuator"],
+                [4, 8, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo ? bar
+                    : baz ? qux
+                    : foobar ? boop
+                    : beep
+            `,
+            output: unIndent`
+                foo ? bar
+                    : baz ? qux
+                        : foobar ? boop
+                            : beep
+            `,
+            options: [4, { flatTernaryExpressions: false }],
+            errors: expectedErrors([
+                [3, 8, 4, "Punctuator"],
+                [4, 12, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo ? bar :
+                    baz ? qux :
+                    foobar ? boop :
+                    beep
+            `,
+            output: unIndent`
+                foo ? bar :
+                    baz ? qux :
+                        foobar ? boop :
+                            beep
+            `,
+            options: [4, { flatTernaryExpressions: false }],
+            errors: expectedErrors([
+                [3, 8, 4, "Identifier"],
+                [4, 12, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo
+                    ? bar
+                    : baz
+                    ? qux
+                    : foobar
+                    ? boop
+                    : beep
+            `,
+            output: unIndent`
+                foo
+                    ? bar
+                    : baz
+                        ? qux
+                        : foobar
+                            ? boop
+                            : beep
+            `,
+            options: [4, { flatTernaryExpressions: false }],
+            errors: expectedErrors([
+                [4, 8, 4, "Punctuator"],
+                [5, 8, 4, "Punctuator"],
+                [6, 12, 4, "Punctuator"],
+                [7, 12, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo ?
+                    bar :
+                    baz ?
+                    qux :
+                    foobar ?
+                    boop :
+                    beep
+            `,
+            output: unIndent`
+                foo ?
+                    bar :
+                    baz ?
+                        qux :
+                        foobar ?
+                            boop :
+                            beep
+            `,
+            options: [4, { flatTernaryExpressions: false }],
+            errors: expectedErrors([
+                [4, 8, 4, "Identifier"],
+                [5, 8, 4, "Identifier"],
+                [6, 12, 4, "Identifier"],
+                [7, 12, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo.bar('baz', function(err) {
+                          qux;
+                });
+            `,
+            output: unIndent`
+                foo.bar('baz', function(err) {
+                  qux;
+                });
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([2, 2, 10, "Identifier"])
+        },
+        {
+            code: unIndent`
+                foo.bar(function() {
+                  cookies;
+                }).baz(function() {
+                    cookies;
+                  });
+            `,
+            output: unIndent`
+                foo.bar(function() {
+                  cookies;
+                }).baz(function() {
+                  cookies;
+                });
+            `,
+            options: [2, { MemberExpression: 1 }],
+            errors: expectedErrors([[4, 2, 4, "Identifier"], [5, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                foo.bar().baz(function() {
+                  cookies;
+                }).qux(function() {
+                    cookies;
+                  });
+            `,
+            output: unIndent`
+                foo.bar().baz(function() {
+                  cookies;
+                }).qux(function() {
+                  cookies;
+                });
+            `,
+            options: [2, { MemberExpression: 1 }],
+            errors: expectedErrors([[4, 2, 4, "Identifier"], [5, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                [ foo,
+                  bar ].forEach(function() {
+                    baz;
+                  })
+            `,
+            output: unIndent`
+                [ foo,
+                  bar ].forEach(function() {
+                  baz;
+                })
+            `,
+            options: [2, { ArrayExpression: "first", MemberExpression: 1 }],
+            errors: expectedErrors([[3, 2, 4, "Identifier"], [4, 0, 2, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                foo[
+                    bar
+                    ];
+            `,
+            output: unIndent`
+                foo[
+                    bar
+                ];
+            `,
+            options: [4, { MemberExpression: 1 }],
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo({
+                bar: 1,
+                baz: 2
+                })
+            `,
+            output: unIndent`
+                foo({
+                    bar: 1,
+                    baz: 2
+                })
+            `,
+            options: [4, { ObjectExpression: "first" }],
+            errors: expectedErrors([[2, 4, 0, "Identifier"], [3, 4, 0, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                foo(
+                                        bar, baz,
+                                        qux);
+            `,
+            output: unIndent`
+                foo(
+                  bar, baz,
+                  qux);
+            `,
+            options: [2, { CallExpression: { arguments: "first" } }],
+            errors: expectedErrors([[2, 2, 24, "Identifier"], [3, 2, 24, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                if (foo) bar()
+
+                    ; [1, 2, 3].map(baz)
+            `,
+            output: unIndent`
+                if (foo) bar()
+
+                ; [1, 2, 3].map(baz)
+            `,
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                if (foo)
+                ;
+            `,
+            output: unIndent`
+                if (foo)
+                    ;
+            `,
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                import {foo}
+                from 'bar';
+            `,
+            output: unIndent`
+                import {foo}
+                    from 'bar';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([2, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                export {foo}
+                from 'bar';
+            `,
+            output: unIndent`
+                export {foo}
+                    from 'bar';
+            `,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedErrors([2, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                (
+                    a
+                ) => b => {
+                        c
+                    }
+            `,
+            output: unIndent`
+                (
+                    a
+                ) => b => {
+                    c
+                }
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                (
+                    a
+                ) => b => c => d => {
+                        e
+                    }
+            `,
+            output: unIndent`
+                (
+                    a
+                ) => b => c => d => {
+                    e
+                }
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                if (
+                    foo
+                ) bar(
+                        baz
+                    );
+            `,
+            output: unIndent`
+                if (
+                    foo
+                ) bar(
+                    baz
+                );
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                (
+                    foo
+                )(
+                        bar
+                    )
+            `,
+            output: unIndent`
+                (
+                    foo
+                )(
+                    bar
+                )
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                (() =>
+                    foo
+                )(
+                        bar
+                    )
+            `,
+            output: unIndent`
+                (() =>
+                    foo
+                )(
+                    bar
+                )
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                (() => {
+                    foo();
+                })(
+                        bar
+                    )
+            `,
+            output: unIndent`
+                (() => {
+                    foo();
+                })(
+                    bar
+                )
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                foo.
+                  bar.
+                      baz
+            `,
+            output: unIndent`
+                foo.
+                    bar.
+                    baz
+            `,
+            errors: expectedErrors([[2, 4, 2, "Identifier"], [3, 4, 6, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                const foo = a.b(),
+                    longName
+                    = (baz(
+                            'bar',
+                            'bar'
+                        ));
+            `,
+            output: unIndent`
+                const foo = a.b(),
+                    longName
+                    = (baz(
+                        'bar',
+                        'bar'
+                    ));
+            `,
+            errors: expectedErrors([[4, 8, 12, "String"], [5, 8, 12, "String"], [6, 4, 8, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                const foo = a.b(),
+                    longName =
+                    (baz(
+                            'bar',
+                            'bar'
+                        ));
+            `,
+            output: unIndent`
+                const foo = a.b(),
+                    longName =
+                    (baz(
+                        'bar',
+                        'bar'
+                    ));
+            `,
+            errors: expectedErrors([[4, 8, 12, "String"], [5, 8, 12, "String"], [6, 4, 8, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                const foo = a.b(),
+                    longName
+                        =baz(
+                            'bar',
+                            'bar'
+                    );
+            `,
+            output: unIndent`
+                const foo = a.b(),
+                    longName
+                        =baz(
+                            'bar',
+                            'bar'
+                        );
+            `,
+            errors: expectedErrors([[6, 8, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                const foo = a.b(),
+                    longName
+                        =(
+                        'fff'
+                        );
+            `,
+            output: unIndent`
+                const foo = a.b(),
+                    longName
+                        =(
+                            'fff'
+                        );
+            `,
+            errors: expectedErrors([[4, 12, 8, "String"]])
+        },
+
+        //----------------------------------------------------------------------
+        // Ignore Unknown Nodes
+        //----------------------------------------------------------------------
+
+        {
+            code: unIndent`
+                namespace Foo {
+                    const bar = 3,
+                    baz = 2;
+
+                    if (true) {
+                    const bax = 3;
+                    }
+                }
+            `,
+            output: unIndent`
+                namespace Foo {
+                    const bar = 3,
+                        baz = 2;
+
+                    if (true) {
+                        const bax = 3;
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/namespace-invalid"),
+            errors: expectedErrors([[3, 8, 4, "Identifier"], [6, 8, 4, "Keyword"]])
+        },
+        {
+            code: unIndent`
+                abstract class Foo {
+                    public bar() {
+                        let aaa = 4,
+                        boo;
+
+                        if (true) {
+                        boo = 3;
+                        }
+
+                    boo = 3 + 2;
+                    }
+                }
+            `,
+            output: unIndent`
+                abstract class Foo {
+                    public bar() {
+                        let aaa = 4,
+                            boo;
+
+                        if (true) {
+                            boo = 3;
+                        }
+
+                        boo = 3 + 2;
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/abstract-class-invalid"),
+            errors: expectedErrors([[4, 12, 8, "Identifier"], [7, 12, 8, "Identifier"], [10, 8, 4, "Identifier"]])
+        },
+        {
+            code: unIndent`
+                function foo() {
+                    function bar() {
+                        abstract class X {
+                        public baz() {
+                        if (true) {
+                        qux();
+                        }
+                        }
+                        }
+                    }
+                }
+            `,
+            output: unIndent`
+                function foo() {
+                    function bar() {
+                        abstract class X {
+                            public baz() {
+                                if (true) {
+                                    qux();
+                                }
+                            }
+                        }
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/functions-with-abstract-class-invalid"),
+            errors: expectedErrors([
+                [4, 12, 8, "Keyword"],
+                [5, 16, 8, "Keyword"],
+                [6, 20, 8, "Identifier"],
+                [7, 16, 8, "Punctuator"],
+                [8, 12, 8, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                namespace Unknown {
+                    function foo() {
+                    function bar() {
+                            abstract class X {
+                                public baz() {
+                                    if (true) {
+                                    qux();
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            `,
+            output: unIndent`
+                namespace Unknown {
+                    function foo() {
+                        function bar() {
+                            abstract class X {
+                                public baz() {
+                                    if (true) {
+                                        qux();
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            `,
+            parser: parser("unknown-nodes/namespace-with-functions-with-abstract-class-invalid"),
+            errors: expectedErrors([
+                [3, 8, 4, "Keyword"],
+                [7, 24, 20, "Identifier"]
+            ])
+        },
+
+        //----------------------------------------------------------------------
+        // JSX tests
+        // Some of the following tests are adapted from the the tests in eslint-plugin-react.
+        // License: https://github.com/yannickcr/eslint-plugin-react/blob/7ca9841f22d599f447a27ef5b2a97def9229d6c8/LICENSE
+        //----------------------------------------------------------------------
+
+        {
+            code: unIndent`
+                <App>
+                  <Foo />
+                </App>
+            `,
+            output: unIndent`
+                <App>
+                    <Foo />
+                </App>
+            `,
+            errors: expectedErrors([2, 4, 2, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App>
+                    <Foo />
+                </App>
+            `,
+            output: unIndent`
+                <App>
+                  <Foo />
+                </App>
+            `,
+            options: [2],
+            errors: expectedErrors([2, 2, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App>
+                    <Foo />
+                </App>
+            `,
+            output: unIndent`
+                <App>
+                \t<Foo />
+                </App>
+            `,
+            options: ["tab"],
+            errors: expectedErrors([2, "1 tab", "4 spaces", "Punctuator"])
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return <App>
+                    <Foo />
+                         </App>;
+                }
+            `,
+            output: unIndent`
+                function App() {
+                  return <App>
+                    <Foo />
+                  </App>;
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([4, 2, 9, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return (<App>
+                    <Foo />
+                    </App>);
+                }
+            `,
+            output: unIndent`
+                function App() {
+                  return (<App>
+                    <Foo />
+                  </App>);
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([4, 2, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                function App() {
+                  return (
+                <App>
+                  <Foo />
+                </App>
+                  );
+                }
+            `,
+            output: unIndent`
+                function App() {
+                  return (
+                    <App>
+                      <Foo />
+                    </App>
+                  );
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([[3, 4, 0, "Punctuator"], [4, 6, 2, "Punctuator"], [5, 4, 0, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                <App>
+                 {test}
+                </App>
+            `,
+            output: unIndent`
+                <App>
+                    {test}
+                </App>
+            `,
+            errors: expectedErrors([2, 4, 1, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App>
+                    {options.map((option, index) => (
+                        <option key={index} value={option.key}>
+                           {option.name}
+                        </option>
+                    ))}
+                </App>
+            `,
+            output: unIndent`
+                <App>
+                    {options.map((option, index) => (
+                        <option key={index} value={option.key}>
+                            {option.name}
+                        </option>
+                    ))}
+                </App>
+            `,
+            errors: expectedErrors([4, 12, 11, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                [
+                  <div />,
+                    <div />
+                ]
+            `,
+            output: unIndent`
+                [
+                  <div />,
+                  <div />
+                ]
+            `,
+            options: [2],
+            errors: expectedErrors([3, 2, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App>
+
+                 <Foo />
+
+                </App>
+            `,
+            output: unIndent`
+                <App>
+
+                \t<Foo />
+
+                </App>
+            `,
+            options: ["tab"],
+            errors: expectedErrors([3, "1 tab", "1 space", "Punctuator"])
+        },
+        {
+
+            /*
+             * Multiline ternary
+             * (colon at the end of the first expression)
+             */
+            code: unIndent`
+                foo ?
+                    <Foo /> :
+                <Bar />
+            `,
+            output: unIndent`
+                foo ?
+                    <Foo /> :
+                    <Bar />
+            `,
+            errors: expectedErrors([3, 4, 0, "Punctuator"])
+        },
+        {
+
+            /*
+             * Multiline ternary
+             * (colon on its own line)
+             */
+            code: unIndent`
+                foo ?
+                    <Foo />
+                :
+                <Bar />
+            `,
+            output: unIndent`
+                foo ?
+                    <Foo />
+                    :
+                    <Bar />
+            `,
+            errors: expectedErrors([[3, 4, 0, "Punctuator"], [4, 4, 0, "Punctuator"]])
+        },
+        {
+
+            /*
+             * Multiline ternary
+             * (colon at the end of the first expression, parenthesized first expression)
+             */
+            code: unIndent`
+                foo ? (
+                    <Foo />
+                ) :
+                <Bar />
+            `,
+            output: unIndent`
+                foo ? (
+                    <Foo />
+                ) :
+                    <Bar />
+            `,
+            errors: expectedErrors([4, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App
+                  foo
+                />
+            `,
+            output: unIndent`
+                <App
+                    foo
+                />
+            `,
+            errors: expectedErrors([2, 4, 2, "JSXIdentifier"])
+        },
+        {
+            code: unIndent`
+                <App
+                  foo
+                  />
+            `,
+            output: unIndent`
+                <App
+                  foo
+                />
+            `,
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App
+                  foo
+                  ></App>
+            `,
+            output: unIndent`
+                <App
+                  foo
+                ></App>
+            `,
+            options: [2],
+            errors: expectedErrors([3, 0, 2, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                const Button = function(props) {
+                  return (
+                    <Button
+                      size={size}
+                      onClick={onClick}
+                                                    >
+                      Button Text
+                    </Button>
+                  );
+                };
+            `,
+            output: unIndent`
+                const Button = function(props) {
+                  return (
+                    <Button
+                      size={size}
+                      onClick={onClick}
+                    >
+                      Button Text
+                    </Button>
+                  );
+                };
+            `,
+            options: [2],
+            errors: expectedErrors([6, 4, 36, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                var x = function() {
+                  return <App
+                    foo
+                         />
+                }
+            `,
+            output: unIndent`
+                var x = function() {
+                  return <App
+                    foo
+                  />
+                }
+            `,
+            options: [2],
+            errors: expectedErrors([4, 2, 9, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                var x = <App
+                  foo
+                        />
+            `,
+            output: unIndent`
+                var x = <App
+                  foo
+                />
+            `,
+            options: [2],
+            errors: expectedErrors([3, 0, 8, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                var x = (
+                  <Something
+                    />
+                )
+            `,
+            output: unIndent`
+                var x = (
+                  <Something
+                  />
+                )
+            `,
+            options: [2],
+            errors: expectedErrors([3, 2, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App
+                \tfoo
+                \t/>
+            `,
+            output: unIndent`
+                <App
+                \tfoo
+                />
+            `,
+            options: ["tab"],
+            errors: expectedErrors("tab", [3, 0, 1, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <App
+                \tfoo
+                \t></App>
+            `,
+            output: unIndent`
+                <App
+                \tfoo
+                ></App>
+            `,
+            options: ["tab"],
+            errors: expectedErrors("tab", [3, 0, 1, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <
+                    foo
+                    .bar
+                    .baz
+                >
+                    foo
+                </
+                    foo.
+                    bar.
+                    baz
+                >
+            `,
+            output: unIndent`
+                <
+                    foo
+                        .bar
+                        .baz
+                >
+                    foo
+                </
+                    foo.
+                        bar.
+                        baz
+                >
+            `,
+            errors: expectedErrors([
+                [3, 8, 4, "Punctuator"],
+                [4, 8, 4, "Punctuator"],
+                [9, 8, 4, "JSXIdentifier"],
+                [10, 8, 4, "JSXIdentifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                <
+                    input
+                    type=
+                    "number"
+                />
+            `,
+            output: unIndent`
+                <
+                    input
+                    type=
+                        "number"
+                />
+            `,
+            errors: expectedErrors([4, 8, 4, "JSXText"])
+        },
+        {
+            code: unIndent`
+                <
+                    input
+                    type=
+                    {'number'}
+                />
+            `,
+            output: unIndent`
+                <
+                    input
+                    type=
+                        {'number'}
+                />
+            `,
+            errors: expectedErrors([4, 8, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <
+                    input
+                    type
+                    ="number"
+                />
+            `,
+            output: unIndent`
+                <
+                    input
+                    type
+                        ="number"
+                />
+            `,
+            errors: expectedErrors([4, 8, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                foo ? (
+                    bar
+                ) : (
+                        baz
+                    )
+            `,
+            output: unIndent`
+                foo ? (
+                    bar
+                ) : (
+                    baz
+                )
+            `,
+            errors: expectedErrors([[4, 4, 8, "Identifier"], [5, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                foo ? (
+                    <div>
+                    </div>
+                ) : (
+                        <span>
+                        </span>
+                    )
+            `,
+            output: unIndent`
+                foo ? (
+                    <div>
+                    </div>
+                ) : (
+                    <span>
+                    </span>
+                )
+            `,
+            errors: expectedErrors([[5, 4, 8, "Punctuator"], [6, 4, 8, "Punctuator"], [7, 0, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                <div>
+                    {
+                    (
+                        1
+                    )
+                    }
+                </div>
+            `,
+            output: unIndent`
+                <div>
+                    {
+                        (
+                            1
+                        )
+                    }
+                </div>
+            `,
+            errors: expectedErrors([[3, 8, 4, "Punctuator"], [4, 12, 8, "Numeric"], [5, 8, 4, "Punctuator"]])
+        },
+        {
+            code: unIndent`
+                <div>
+                    {
+                      /* foo */
+                    }
+                </div>
+            `,
+            output: unIndent`
+                <div>
+                    {
+                        /* foo */
+                    }
+                </div>
+            `,
+            errors: expectedErrors([3, 8, 6, "Block"])
+        },
+        {
+            code: unIndent`
+                <div
+                {...props}
+                />
+            `,
+            output: unIndent`
+                <div
+                    {...props}
+                />
+            `,
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <div
+                    {
+                      ...props
+                    }
+                />
+            `,
+            output: unIndent`
+                <div
+                    {
+                        ...props
+                    }
+                />
+            `,
+            errors: expectedErrors([3, 8, 6, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <div>foo
+                <div>bar</div>
+                </div>
+            `,
+            output: unIndent`
+                <div>foo
+                    <div>bar</div>
+                </div>
+            `,
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <small>Foo bar&nbsp;
+                <a>baz qux</a>.
+                </small>
+            `,
+            output: unIndent`
+                <small>Foo bar&nbsp;
+                    <a>baz qux</a>.
+                </small>
+            `,
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+
+        /*
+         * JSX Fragments
+         * https://github.com/eslint/eslint/issues/12208
+         */
+        {
+            code: unIndent`
+                <>
+                <A />
+                </>
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                </>
+            `,
+            errors: expectedErrors([2, 4, 0, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <
+                    >
+                    <A />
+                </>
+            `,
+            output: unIndent`
+                <
+                >
+                    <A />
+                </>
+            `,
+            errors: expectedErrors([2, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                <
+                    />
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                <
+                />
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                </
+                    >
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                </
+                >
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <
+                    >
+                    <A />
+                </
+                    >
+            `,
+            output: unIndent`
+                <
+                >
+                    <A />
+                </
+                >
+            `,
+            errors: expectedErrors([
+                [2, 0, 4, "Punctuator"],
+                [5, 0, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                <
+                    >
+                    <A />
+                <
+                    />
+            `,
+            output: unIndent`
+                <
+                >
+                    <A />
+                <
+                />
+            `,
+            errors: expectedErrors([
+                [2, 0, 4, "Punctuator"],
+                [5, 0, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                < // Comment
+                    >
+                    <A />
+                </>
+            `,
+            output: unIndent`
+                < // Comment
+                >
+                    <A />
+                </>
+            `,
+            errors: expectedErrors([2, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                < // Comment
+                    />
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                < // Comment
+                />
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                </ // Comment
+                    >
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                </ // Comment
+                >
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                < /* Comment */
+                    >
+                    <A />
+                </>
+            `,
+            output: unIndent`
+                < /* Comment */
+                >
+                    <A />
+                </>
+            `,
+            errors: expectedErrors([2, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                < /* Comment */
+                    />
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                < /* Comment */
+                />
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                <>
+                    <A />
+                </ /* Comment */
+                    >
+            `,
+            output: unIndent`
+                <>
+                    <A />
+                </ /* Comment */
+                >
+            `,
+            errors: expectedErrors([4, 0, 4, "Punctuator"])
+        },
+
+        {
+            code: unIndent`
+                ({
+                    foo
+                    }: bar) => baz
+            `,
+            output: unIndent`
+                ({
+                    foo
+                }: bar) => baz
+            `,
+            parser: require.resolve("../../fixtures/parsers/babel-eslint7/object-pattern-with-annotation"),
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                ([
+                    foo
+                    ]: bar) => baz
+            `,
+            output: unIndent`
+                ([
+                    foo
+                ]: bar) => baz
+            `,
+            parser: require.resolve("../../fixtures/parsers/babel-eslint7/array-pattern-with-annotation"),
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                ({
+                    foo
+                    }: {}) => baz
+            `,
+            output: unIndent`
+                ({
+                    foo
+                }: {}) => baz
+            `,
+            parser: require.resolve("../../fixtures/parsers/babel-eslint7/object-pattern-with-object-annotation"),
+            errors: expectedErrors([3, 0, 4, "Punctuator"])
+        },
+        {
+            code: unIndent`
+                class Foo {
+                foo() {
+                bar();
+                }
+                }
+            `,
+            output: unIndent`
+                class Foo {
+                foo() {
+                    bar();
+                }
+                }
+            `,
+            options: [4, { ignoredNodes: ["ClassBody"] }],
+            errors: expectedErrors([3, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                $(function() {
+
+                foo();
+                bar();
+
+                foo(function() {
+                baz();
+                });
+
+                });
+            `,
+            output: unIndent`
+                $(function() {
+
+                foo();
+                bar();
+
+                foo(function() {
+                    baz();
+                });
+
+                });
+            `,
+            options: [4, {
+                ignoredNodes: ["ExpressionStatement > CallExpression[callee.name='$'] > FunctionExpression > BlockStatement"]
+            }],
+            errors: expectedErrors([7, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                (function($) {
+                $(function() {
+                foo;
+                });
+                })()
+            `,
+            output: unIndent`
+                (function($) {
+                $(function() {
+                    foo;
+                });
+                })()
+            `,
+            options: [4, {
+                ignoredNodes: ["ExpressionStatement > CallExpression > FunctionExpression.callee > BlockStatement"]
+            }],
+            errors: expectedErrors([3, 4, 0, "Identifier"])
+        },
+        {
+            code: unIndent`
+                if (foo) {
+                    doSomething();
+
+                // Intentionally unindented comment
+                    doSomethingElse();
+                }
+            `,
+            output: unIndent`
+                if (foo) {
+                    doSomething();
+
+                    // Intentionally unindented comment
+                    doSomethingElse();
+                }
+            `,
+            options: [4, { ignoreComments: false }],
+            errors: expectedErrors([4, 4, 0, "Line"])
+        },
+        {
+            code: unIndent`
+                if (foo) {
+                    doSomething();
+
+                /* Intentionally unindented comment */
+                    doSomethingElse();
+                }
+            `,
+            output: unIndent`
+                if (foo) {
+                    doSomething();
+
+                    /* Intentionally unindented comment */
+                    doSomethingElse();
+                }
+            `,
+            options: [4, { ignoreComments: false }],
+            errors: expectedErrors([4, 4, 0, "Block"])
+        },
+        {
+            code: unIndent`
+                const obj = {
+                    foo () {
+                        return condition ? // comment
+                        1 :
+                            2
+                    }
+                }
+            `,
+            output: unIndent`
+                const obj = {
+                    foo () {
+                        return condition ? // comment
+                            1 :
+                            2
+                    }
+                }
+            `,
+            errors: expectedErrors([4, 12, 8, "Numeric"])
+        },
+
+        //----------------------------------------------------------------------
+        // Comment alignment tests
+        //----------------------------------------------------------------------
+        {
+            code: unIndent`
+                if (foo) {
+
+                // Comment cannot align with code immediately above if there is a whitespace gap
+                    doSomething();
+                }
+            `,
+            output: unIndent`
+                if (foo) {
+
+                    // Comment cannot align with code immediately above if there is a whitespace gap
+                    doSomething();
+                }
+            `,
+            errors: expectedErrors([3, 4, 0, "Line"])
+        },
+        {
+            code: unIndent`
+                if (foo) {
+                    foo(
+                        bar);
+                // Comment cannot align with code immediately below if there is a whitespace gap
+
+                }
+            `,
+            output: unIndent`
+                if (foo) {
+                    foo(
+                        bar);
+                    // Comment cannot align with code immediately below if there is a whitespace gap
+
+                }
+            `,
+            errors: expectedErrors([4, 4, 0, "Line"])
+        },
+        {
+            code: unIndent`
+                [{
+                    foo
+                },
+
+                    // Comment between nodes
+
+                {
+                    bar
+                }];
+            `,
+            output: unIndent`
+                [{
+                    foo
+                },
+
+                // Comment between nodes
+
+                {
+                    bar
+                }];
+            `,
+            errors: expectedErrors([5, 0, 4, "Line"])
+        },
+        {
+            code: unIndent`
+                let foo
+
+                    // comment
+
+                ;(async () => {})()
+            `,
+            output: unIndent`
+                let foo
+
+                // comment
+
+                ;(async () => {})()
+            `,
+            errors: expectedErrors([3, 0, 4, "Line"])
+        },
+        {
+            code: unIndent`
+                let foo
+                    // comment
+                ;(async () => {})()
+            `,
+            output: unIndent`
+                let foo
+                // comment
+                ;(async () => {})()
+            `,
+            errors: expectedErrors([2, 0, 4, "Line"])
+        },
+        {
+            code: unIndent`
+                let foo
+
+                /* comment */;
+
+                (async () => {})()
+            `,
+            output: unIndent`
+                let foo
+
+                    /* comment */;
+
+                (async () => {})()
+            `,
+            errors: expectedErrors([3, 4, 0, "Block"])
+        },
+        {
+            code: unIndent`
+                    // comment
+
+                ;(async () => {})()
+            `,
+            output: unIndent`
+                // comment
+
+                ;(async () => {})()
+            `,
+            errors: expectedErrors([1, 0, 4, "Line"])
+        },
+        {
+            code: unIndent`
+                    // comment
+                ;(async () => {})()
+            `,
+            output: unIndent`
+                // comment
+                ;(async () => {})()
+            `,
+            errors: expectedErrors([1, 0, 4, "Line"])
+        },
+        {
+            code: unIndent`
+                {
+                    let foo
+
+                        // comment
+
+                    ;(async () => {})()
+
+                }
+            `,
+            output: unIndent`
+                {
+                    let foo
+
+                    // comment
+
+                    ;(async () => {})()
+
+                }
+            `,
+            errors: expectedErrors([4, 4, 8, "Line"])
+        },
+        {
+            code: unIndent`
+                {
+                    let foo
+                        // comment
+                    ;(async () => {})()
+
+                }
+            `,
+            output: unIndent`
+                {
+                    let foo
+                    // comment
+                    ;(async () => {})()
+
+                }
+            `,
+            errors: expectedErrors([3, 4, 8, "Line"])
+        },
+        {
+            code: unIndent`
+                {
+                    let foo
+
+                    /* comment */;
+
+                    (async () => {})()
+
+                }
+            `,
+            output: unIndent`
+                {
+                    let foo
+
+                        /* comment */;
+
+                    (async () => {})()
+
+                }
+            `,
+            errors: expectedErrors([4, 8, 4, "Block"])
+        },
+        {
+            code: unIndent`
+                const foo = 1
+                const bar = foo
+
+                    /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            output: unIndent`
+                const foo = 1
+                const bar = foo
+
+                /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            errors: expectedErrors([4, 0, 4, "Block"])
+        },
+        {
+            code: unIndent`
+                const foo = 1
+                const bar = foo
+                    /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            output: unIndent`
+                const foo = 1
+                const bar = foo
+                /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            errors: expectedErrors([3, 0, 4, "Block"])
+        },
+        {
+            code: unIndent`
+                const foo = 1
+                const bar = foo
+
+                /* comment */;
+
+                [1, 2, 3].forEach(() => {})
+            `,
+            output: unIndent`
+                const foo = 1
+                const bar = foo
+
+                    /* comment */;
+
+                [1, 2, 3].forEach(() => {})
+            `,
+            errors: expectedErrors([4, 4, 0, "Block"])
+        },
+        {
+            code: unIndent`
+                    /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            output: unIndent`
+                /* comment */
+
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            errors: expectedErrors([1, 0, 4, "Block"])
+        },
+        {
+            code: unIndent`
+                    /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            output: unIndent`
+                /* comment */
+                ;[1, 2, 3].forEach(() => {})
+            `,
+            errors: expectedErrors([1, 0, 4, "Block"])
+        },
+        {
+            code: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+
+                        /* comment */
+
+                    ;[1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            output: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+
+                    /* comment */
+
+                    ;[1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            errors: expectedErrors([5, 4, 8, "Block"])
+        },
+        {
+            code: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+                        /* comment */
+                    ;[1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            output: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+                    /* comment */
+                    ;[1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            errors: expectedErrors([4, 4, 8, "Block"])
+        },
+        {
+            code: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+
+                    /* comment */;
+
+                    [1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            output: unIndent`
+                {
+                    const foo = 1
+                    const bar = foo
+
+                        /* comment */;
+
+                    [1, 2, 3].forEach(() => {})
+
+                }
+            `,
+            errors: expectedErrors([5, 8, 4, "Block"])
+        },
+
+        // import expressions
+        {
+            code: unIndent`
+                import(
+                source
+                    )
+            `,
+            output: unIndent`
+                import(
+                    source
+                )
+            `,
+            parserOptions: { ecmaVersion: 2020 },
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 0, 4, "Punctuator"]
+            ])
+        },
+
+        // https://github.com/eslint/eslint/issues/12122
+        {
+            code: unIndent`
+                foo(() => {
+                    tag\`
+                    multiline
+                    template\${a} \${b}
+                    literal
+                    \`(() => {
+                    bar();
+                    });
+                });
+            `,
+            output: unIndent`
+                foo(() => {
+                    tag\`
+                    multiline
+                    template\${a} \${b}
+                    literal
+                    \`(() => {
+                        bar();
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [7, 8, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                {
+                        tag\`
+                    multiline
+                    template
+                    literal
+                    \${a} \${b}\`(() => {
+                            bar();
+                        });
+                }
+            `,
+            output: unIndent`
+                {
+                    tag\`
+                    multiline
+                    template
+                    literal
+                    \${a} \${b}\`(() => {
+                        bar();
+                    });
+                }
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [2, 4, 8, "Identifier"],
+                [7, 8, 12, "Identifier"],
+                [8, 4, 8, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo(() => {
+                    tagOne\`\${a} \${b}
+                    multiline
+                    template
+                    literal
+                    \`(() => {
+                            tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                            baz();
+                });
+                });
+            `,
+            output: unIndent`
+                foo(() => {
+                    tagOne\`\${a} \${b}
+                    multiline
+                    template
+                    literal
+                    \`(() => {
+                        tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                        baz();
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [7, 8, 12, "Identifier"],
+                [15, 8, 12, "Identifier"],
+                [16, 4, 0, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                {
+                    tagOne\`
+                    multiline
+                    template
+                    literal
+                    \${a} \${b}\`(() => {
+                            tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                            baz();
+                });
+                }
+            `,
+            output: unIndent`
+                {
+                    tagOne\`
+                    multiline
+                    template
+                    literal
+                    \${a} \${b}\`(() => {
+                        tagTwo\`
+                        multiline
+                        template
+                        literal
+                        \`(() => {
+                            bar();
+                        });
+
+                        baz();
+                    });
+                }
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [7, 8, 12, "Identifier"],
+                [15, 8, 12, "Identifier"],
+                [16, 4, 0, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                tagOne\`multiline \${a} \${b}
+                        template
+                        literal
+                        \`(() => {        
+                foo();
+                    
+                    tagTwo\`multiline
+                            template
+                            literal
+                        \`({
+                    bar: 1,
+                        baz: 2
+                    });
+                });
+            `,
+            output: unIndent`
+                tagOne\`multiline \${a} \${b}
+                        template
+                        literal
+                        \`(() => {        
+                    foo();
+                    
+                    tagTwo\`multiline
+                            template
+                            literal
+                        \`({
+                        bar: 1,
+                        baz: 2
+                    });
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [5, 4, 0, "Identifier"],
+                [11, 8, 4, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                tagOne\`multiline
+                    template \${a} \${b}
+                    literal\`({
+                        foo: 1,
+                bar: tagTwo\`multiline
+                        template
+                        literal\`(() => {
+                        
+                baz();
+                    })
+                });
+            `,
+            output: unIndent`
+                tagOne\`multiline
+                    template \${a} \${b}
+                    literal\`({
+                    foo: 1,
+                    bar: tagTwo\`multiline
+                        template
+                        literal\`(() => {
+                        
+                        baz();
+                    })
+                });
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [4, 4, 8, "Identifier"],
+                [5, 4, 0, "Identifier"],
+                [9, 8, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo.bar\` template literal \`(() => {
+                        baz();
+                })
+            `,
+            output: unIndent`
+                foo.bar\` template literal \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [2, 4, 8, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo.bar.baz\` template literal \`(() => {
+                baz();
+                    })
+            `,
+            output: unIndent`
+                foo.bar.baz\` template literal \`(() => {
+                    baz();
+                })
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [2, 4, 0, "Identifier"],
+                [3, 0, 4, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo
+                    .bar\` template
+                        literal \`(() => {
+                        baz();
+                })
+            `,
+            output: unIndent`
+                foo
+                    .bar\` template
+                        literal \`(() => {
+                        baz();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [5, 4, 0, "Punctuator"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo
+                    .test\`
+                    \${a} \${b}
+                    \`(() => {
+                bar();
+                    })
+            `,
+            output: unIndent`
+                foo
+                    .test\`
+                    \${a} \${b}
+                    \`(() => {
+                        bar();
+                    })
+            `,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [5, 8, 0, "Identifier"]
+            ])
+        },
+        {
+            code: unIndent`
+                foo
+                    .test\`
+                    \${a} \${b}
+                    \`(() => {
+                bar();
+                    })
+            `,
+            output: unIndent`
+                foo
+                .test\`
+                    \${a} \${b}
+                    \`(() => {
+                    bar();
+                })
+            `,
+            options: [4, { MemberExpression: 0 }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: expectedErrors([
+                [2, 0, 4, "Punctuator"],
+                [5, 4, 0, "Identifier"],
+                [6, 0, 4, "Punctuator"]
+            ])
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/init-declarations.js b/eslint/tests/lib/rules/init-declarations.js
new file mode 100644
index 0000000..6324418
--- /dev/null
+++ b/eslint/tests/lib/rules/init-declarations.js
@@ -0,0 +1,337 @@
+/**
+ * @fileoverview A rule to control the style of variable initializations.
+ * @author Colin Ihrig
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/init-declarations"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("init-declarations", rule, {
+    valid: [
+        "var foo = null;",
+        "foo = true;",
+        "var foo = 1, bar = false, baz = {};",
+        "function foo() { var foo = 0; var bar = []; }",
+        "var fn = function() {};",
+        "var foo = bar = 2;",
+        "for (var i = 0; i < 1; i++) {}",
+        "for (var foo in []) {}",
+        { code: "for (var foo of []) {}", parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "let a = true;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = {};",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { let a = 1, b = false; if (a) { let c = 3, d = null; } }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { const a = 1, b = true; if (a) { const c = 3, d = null; } }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { let a = 1; const b = false; var c = true; }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo, bar, baz;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { var foo; var bar; }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 1;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { let a, b; if (a) { let c, d; } }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { const a = 1, b = true; if (a) { const c = 3, d = null; } }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { let a; const b = false; var c; }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for(var i = 0; i < 1; i++){}",
+            options: ["never", { ignoreForLoopInit: true }]
+        },
+        {
+            code: "for (var foo in []) {}",
+            options: ["never", { ignoreForLoopInit: true }]
+        },
+        {
+            code: "for (var foo of []) {}",
+            options: ["never", { ignoreForLoopInit: true }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "var foo;",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "for (var a in []) var foo;",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo, bar = false, baz;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                },
+                {
+                    messageId: "initialized",
+                    data: { idName: "baz" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var foo = 0; var bar; }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "bar" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var foo; var bar = foo; }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "let a;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "a" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { let a = 1, b; if (a) { let c = 3, d = null; } }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "b" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { let a; const b = false; var c; }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "initialized",
+                    data: { idName: "a" },
+                    type: "VariableDeclarator"
+                },
+                {
+                    messageId: "initialized",
+                    data: { idName: "c" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = bar = 2;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = true;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo, bar = 5, baz = 3;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "bar" },
+                    type: "VariableDeclarator"
+                },
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "baz" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var foo; var bar = foo; }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "bar" },
+
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "let a = 1;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "a" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { let a = 'foo', b; if (a) { let c, d; } }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "a" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() { let a; const b = false; var c = 1; }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "c" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "for(var i = 0; i < 1; i++){}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "i" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "for (var foo in []) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "for (var foo of []) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "notInitialized",
+                    data: { idName: "foo" },
+                    type: "VariableDeclarator"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/jsx-quotes.js b/eslint/tests/lib/rules/jsx-quotes.js
new file mode 100644
index 0000000..f4c72d9
--- /dev/null
+++ b/eslint/tests/lib/rules/jsx-quotes.js
@@ -0,0 +1,84 @@
+/**
+ * @fileoverview Tests for jsx-quotes rule.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/jsx-quotes"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } });
+
+ruleTester.run("jsx-quotes", rule, {
+    valid: [
+        "<foo bar=\"baz\" />",
+        "<foo bar='\"' />",
+        {
+            code: "<foo bar=\"'\" />",
+            options: ["prefer-single"]
+        },
+        {
+            code: "<foo bar='baz' />",
+            options: ["prefer-single"]
+        },
+        "<foo bar=\"baz\">\"</foo>",
+        {
+            code: "<foo bar='baz'>'</foo>",
+            options: ["prefer-single"]
+        },
+        "<foo bar={'baz'} />",
+        {
+            code: "<foo bar={\"baz\"} />",
+            options: ["prefer-single"]
+        },
+        "<foo bar={baz} />",
+        "<foo bar />",
+        {
+            code: "<foo bar='&quot;' />",
+            options: ["prefer-single"]
+        },
+        "<foo bar=\"&quot;\" />",
+        {
+            code: "<foo bar='&#39;' />",
+            options: ["prefer-single"]
+        },
+        "<foo bar=\"&#39;\" />"
+    ],
+    invalid: [
+        {
+            code: "<foo bar='baz' />",
+            output: "<foo bar=\"baz\" />",
+            errors: [
+                { messageId: "unexpected", data: { description: "singlequote" }, line: 1, column: 10, type: "Literal" }
+            ]
+        },
+        {
+            code: "<foo bar=\"baz\" />",
+            output: "<foo bar='baz' />",
+            options: ["prefer-single"],
+            errors: [
+                { messageId: "unexpected", data: { description: "doublequote" }, line: 1, column: 10, type: "Literal" }
+            ]
+        },
+        {
+            code: "<foo bar=\"&quot;\" />",
+            output: "<foo bar='&quot;' />",
+            options: ["prefer-single"],
+            errors: [
+                { messageId: "unexpected", data: { description: "doublequote" }, line: 1, column: 10, type: "Literal" }
+            ]
+        },
+        {
+            code: "<foo bar='&#39;' />",
+            output: "<foo bar=\"&#39;\" />",
+            errors: [
+                { messageId: "unexpected", data: { description: "singlequote" }, line: 1, column: 10, type: "Literal" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/key-spacing.js b/eslint/tests/lib/rules/key-spacing.js
new file mode 100644
index 0000000..29bbbe8
--- /dev/null
+++ b/eslint/tests/lib/rules/key-spacing.js
@@ -0,0 +1,2109 @@
+/**
+ * @fileoverview Tests for key-spacing rule.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/key-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("key-spacing", rule, {
+
+    valid: ["({\n})", "({\na: b\n})", {
+        code: "({\n})",
+        options: [{ align: "colon" }]
+    }, {
+        code: "({\na: b\n})",
+        options: [{ align: "value" }]
+    }, {
+        code: "var obj = { key: value };",
+        options: [{}]
+    }, {
+        code: "var obj = { [(a + b)]: value };",
+        options: [{}],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: "var foo = { a:bar };",
+        options: [{
+            beforeColon: false,
+            afterColon: false
+        }]
+    }, {
+        code: "var foo = { a: bar };",
+        options: [{
+            beforeColon: false,
+            afterColon: true
+        }]
+    }, {
+        code: "foo({ 'default': function(){}});",
+        options: [{
+            beforeColon: false,
+            afterColon: true
+        }]
+    }, {
+        code: "function foo() { return {\n    key: (foo === 4)\n}; }",
+        options: [{
+            beforeColon: false,
+            afterColon: true
+        }]
+    }, {
+        code: "var obj = {'key' :42 };",
+        options: [{
+            beforeColon: true,
+            afterColon: false
+        }]
+    }, {
+        code: "({a : foo, b : bar})['a'];",
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    'a'     : (42 - 12),",
+            "    foobar  : 'value',",
+            "    [(expr)]: val",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "callExpr(arg, {",
+            "    key       :val,",
+            "    'another' :false,",
+            "    [compute] :'value'",
+            "});"
+        ].join("\n"),
+        options: [{
+            align: "colon",
+            beforeColon: true,
+            afterColon: false
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    a:        (42 - 12),",
+            "    'foobar': 'value',",
+            "    bat:      function() {",
+            "        return this.a;",
+            "    },",
+            "    baz: 42",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }]
+    }, {
+        code: [
+            "callExpr(arg, {",
+            "    'asdf' :val,",
+            "    foobar :false,",
+            "    key :   value",
+            "});"
+        ].join("\n"),
+        options: [{
+            align: "value",
+            beforeColon: true,
+            afterColon: false
+        }]
+    }, {
+        code: [
+            "({",
+            "    a  : 0,",
+            "    // same group",
+            "    bcd: 0, /*",
+            "    end of group */",
+            "",
+            "    // different group",
+            "    e: 0,",
+            "    /* group b */",
+            "    f: 0",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }]
+    }, {
+        code: [
+            "obj = { key ",
+            " : ",
+            " longName };"
+        ].join("\n"),
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }]
+    }, {
+        code: [
+            "obj = { key ",
+            "    :longName };"
+        ].join("\n"),
+        options: [{
+            beforeColon: true,
+            afterColon: false,
+            mode: "minimum"
+        }]
+    }, {
+        code: "obj = { key     :longName };",
+        options: [{
+            beforeColon: true,
+            afterColon: false,
+            mode: "minimum"
+        }]
+    }, {
+        code: "var obj = { get fn() { return 42; } };",
+        options: [{}]
+    }, {
+        code: "({ get fn() {} })",
+        options: [{ align: "colon" }]
+    }, {
+        code: "var obj = {foo: 'fee', bar: 'bam'};",
+        options: [{ align: "colon" }]
+    }, {
+        code: "var obj = {a: 'foo', bar: 'bam'};",
+        options: [{ align: "colon" }]
+    }, {
+        code: [
+            "var x = {",
+            "    foo: 10",
+            "  , b  : 20",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }]
+    }, {
+        code: [
+            "var x = {",
+            "    foo : 10",
+            "  , b   : 20",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon", beforeColon: true }]
+    }, {
+        code: [
+            "var x = {",
+            "        foo: 10,",
+            " /*lol*/b  : 20",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }]
+    }, {
+        code: [
+            "var a = 'a';",
+            "var b = 'b';",
+            "",
+            "export default {",
+            "    a,",
+            "    b",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6, sourceType: "module" }
+    }, {
+        code: [
+            "var test = {",
+            "    prop: 123,",
+            "    a,",
+            "    b",
+            "};"
+        ].join("\n"),
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var test = {",
+            "    prop: 456,",
+            "    c,",
+            "    d",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    prop,",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var test = {",
+            "    prop: 123,",
+            "    a() { }",
+            "};"
+        ].join("\n"),
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var test = {",
+            "    prop: 123,",
+            "    a() { },",
+            "    b() { }",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() { },",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() {",
+            "        return 42;",
+            "    },",
+            "    baz: 456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    foo : foo",
+            "  , bar : bar",
+            "  , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }]
+    }, {
+        code: [
+            "var obj = { foo : foo",
+            "          , bar : bar",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo :  foo",
+            "  , bar :  bar",
+            "  , cats : cats",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value",
+            beforeColon: true
+        }]
+    },
+
+    // https://github.com/eslint/eslint/issues/4763
+    {
+        code: "({a : foo, ...x, b : bar})['a'];",
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    }, {
+        code: [
+            "var obj = {",
+            "    'a'     : (42 - 12),",
+            "    ...x,",
+            "    foobar  : 'value',",
+            "    [(expr)]: val",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    }, {
+        code: [
+            "callExpr(arg, {",
+            "    key       :val,",
+            "    ...x,",
+            "    ...y,",
+            "    'another' :false,",
+            "    [compute] :'value'",
+            "});"
+        ].join("\n"),
+        options: [{
+            align: "colon",
+            beforeColon: true,
+            afterColon: false
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    }, {
+        code: [
+            "var obj = {",
+            "    a:        (42 - 12),",
+            "    ...x,",
+            "    'foobar': 'value',",
+            "    bat:      function() {",
+            "        return this.a;",
+            "    },",
+            "    baz: 42",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    }, {
+        code: [
+            "({",
+            "    ...x,",
+            "    a  : 0,",
+            "    // same group",
+            "    bcd: 0, /*",
+            "    end of group */",
+            "",
+            "    // different group",
+            "    e: 0,",
+            "    ...y,",
+            "    /* group b */",
+            "    f: 0",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    },
+
+    // https://github.com/eslint/eslint/issues/4792
+    {
+        code: [
+            "({",
+            "    a: 42,",
+            "    get b() { return 42; }",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }]
+    }, {
+        code: [
+            "({",
+            "    set a(b) { b; },",
+            "    c: 42",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }]
+    }, {
+        code: [
+            "({",
+            "    a  : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }]
+    }, {
+        code: [
+            "({",
+            "    a  : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                afterColon: true,
+                align: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "({",
+            "    a   : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def : 42,",
+            "    obj : {a: 1, b: 2, c: 3}",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                afterColon: true,
+                beforeColon: false
+            },
+            multiLine: {
+                afterColon: true,
+                beforeColon: true,
+                align: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "({",
+            "    a   : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def : 42,",
+            "    def : {a: 1, b: 2, c: 3}",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                afterColon: true,
+                beforeColon: true,
+                align: "colon"
+            },
+            singleLine: {
+                afterColon: true,
+                beforeColon: false
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 42,",
+            "    bat:    2",
+            "};"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "strict"
+            },
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "minimum"
+            }
+        }]
+    },
+
+    // https://github.com/eslint/eslint/issues/5724
+    {
+        code: "({...object})",
+        options: [{
+            align: "colon"
+        }],
+        parserOptions: { ecmaVersion: 2018 }
+    },
+
+    // https://github.com/eslint/eslint/issues/5613
+
+    { // if `align` is an object, but `on` is not declared, `on` defaults to `colon`
+        code: [
+            "({",
+            "    longName: 1,",
+            "    small   : 2,",
+            "    f       : function() {",
+            "    },",
+            "    xs :3",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: {
+                afterColon: true
+            },
+            beforeColon: true,
+            afterColon: false
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    longName: 1,",
+            "    small:    2,",
+            "    f:        function() {",
+            "    },",
+            "    xs :3",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: {
+                on: "value",
+                afterColon: true
+            },
+            beforeColon: true,
+            afterColon: false
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    longName : 1,",
+            "    small :    2,",
+            "    xs :       3",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                align: {
+                    on: "value",
+                    beforeColon: true,
+                    afterColon: true
+                }
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    longName :1,",
+            "    small    :2,",
+            "    xs       :3",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: {
+                on: "colon",
+                beforeColon: true,
+                afterColon: false
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: []
+    }, {
+        code: [
+            "({",
+            "    longName: 1,",
+            "    small   : 2,",
+            "    xs      :        3",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: {
+                on: "colon",
+                beforeColon: false,
+                afterColon: true,
+                mode: "minimum"
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    longName: 1,",
+            "    small   : 2,",
+            "    xs      : 3",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                align: {
+                    on: "colon",
+                    beforeColon: false,
+                    afterColon: true
+                }
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    func: function() {",
+            "        var test = true;",
+            "    },",
+            "    longName : 1,",
+            "    small    : 2,",
+            "    xs       : 3,",
+            "    func2    : function() {",
+            "        var test2 = true;",
+            "    },",
+            "    internalGroup: {",
+            "        internal : true,",
+            "        ext      : false",
+            "    }",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: true
+            },
+            multiLine: {
+                beforeColon: false,
+                afterColon: true
+            },
+            align: {
+                on: "colon",
+                beforeColon: true,
+                afterColon: true
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    func: function() {",
+            "        var test = true;",
+            "    },",
+            "    longName: 1,",
+            "    small:    2,",
+            "    xs:       3,",
+            "    func2:    function() {",
+            "        var test2 = true;",
+            "    },",
+            "    final: 10",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: true
+            },
+            multiLine: {
+                align: {
+                    on: "value",
+                    beforeColon: false,
+                    afterColon: true
+                },
+                beforeColon: false,
+                afterColon: true
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "({",
+            "    f:function() {",
+            "        var test = true;",
+            "    },",
+            "    stateName : 'NY',",
+            "    borough   : 'Brooklyn',",
+            "    zip       : 11201,",
+            "    f2        : function() {",
+            "        var test2 = true;",
+            "    },",
+            "    final:10",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                align: {
+                    on: "colon",
+                    beforeColon: true,
+                    afterColon: true,
+                    mode: "strict"
+                },
+                beforeColon: false,
+                afterColon: false
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2:    2,",
+            "    key3:    3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "strict",
+                align: {
+                    beforeColon: false,
+                    afterColon: true,
+                    on: "colon",
+                    mode: "minimum"
+                }
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2:    2,",
+            "    key3:    3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "strict"
+            },
+            align: {
+                beforeColon: false,
+                afterColon: true,
+                on: "colon",
+                mode: "minimum"
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 }
+    }, {
+        code: [
+            "var obj = {",
+            "    foo : 1, 'bar' : 2, baz : 3, longlonglong : 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            multiLine: {
+                beforeColon: true,
+                afterColon: true,
+                align: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo: 1, 'bar': 2, baz: 3",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                align: "value"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo: 1",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            multiLine: {
+                align: "value"
+            }
+        }]
+    }, {
+        code: [
+            "foo({",
+            "    bar: 1",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }]
+    }, {
+        code: "var obj = { foo:1, 'bar':2, baz:3, longlonglong:4 }",
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo         : 1,",
+            "    'bar'       : 2, baz         : 3, longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo:          1,",
+            "    'bar':        2, baz:          3, longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "value"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo         : 1,",
+            "    'bar'       : 2, baz         : 3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo:          1,",
+            "    'bar':        2, baz:          3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "value"
+            }
+        }]
+    }],
+
+    invalid: [{
+        code: "var bat = function() { return { foo:bar, 'key': value }; };",
+        output: "var bat = function() { return { foo:bar, 'key':value }; };",
+        options: [{
+            beforeColon: false,
+            afterColon: false
+        }],
+        errors: [{ messageId: "extraValue", data: { computed: "", key: "key" }, type: "Identifier", line: 1, column: 49 }]
+    }, {
+        code: "var obj = { [ (a + b) ]:value };",
+        output: "var obj = { [ (a + b) ]: value };",
+        options: [{}],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [{ messageId: "missingValue", data: { computed: "computed ", key: "a + b" }, type: "Identifier", line: 1, column: 25 }]
+    }, {
+        code: "fn({ foo:bar, 'key' :value });",
+        output: "fn({ foo:bar, 'key':value });",
+        options: [{
+            beforeColon: false,
+            afterColon: false
+        }],
+        errors: [{ messageId: "extraKey", data: { computed: "", key: "key" }, type: "Literal", line: 1, column: 15 }]
+    }, {
+        code: "var obj = {prop :(42)};",
+        output: "var obj = {prop : (42)};",
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }],
+        errors: [{ messageId: "missingValue", data: { computed: "", key: "prop" }, type: "Literal", line: 1, column: 18 }]
+    }, {
+        code: "({'a' : foo, b: bar() }).b();",
+        output: "({'a' : foo, b : bar() }).b();",
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }],
+        errors: [{ messageId: "missingKey", data: { computed: "", key: "b" }, type: "Identifier", line: 1, column: 14 }]
+    }, {
+        code: "({'a'  :foo(), b:  bar() }).b();",
+        output: "({'a' : foo(), b : bar() }).b();",
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "a" }, type: "Literal", line: 1, column: 3 },
+            { messageId: "missingValue", data: { computed: "", key: "a" }, type: "CallExpression", line: 1, column: 9 },
+            { messageId: "missingKey", data: { computed: "", key: "b" }, type: "Identifier", line: 1, column: 16 },
+            { messageId: "extraValue", data: { computed: "", key: "b" }, type: "CallExpression", line: 1, column: 20 }
+        ]
+    }, {
+        code: "bar = { key:value };",
+        output: "bar = { key: value };",
+        options: [{
+            beforeColon: false,
+            afterColon: true
+        }],
+        errors: [{ messageId: "missingValue", data: { computed: "", key: "key" }, type: "Identifier", line: 1, column: 13 }]
+    }, {
+        code: [
+            "obj = {",
+            "    key:   value,",
+            "    foobar:fn(),",
+            "    'a'   : (2 * 2)",
+            "};"
+        ].join("\n"),
+        output: [
+            "obj = {",
+            "    key   : value,",
+            "    foobar: fn(),",
+            "    'a'   : (2 * 2)",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "key" }, type: "Identifier", line: 2, column: 5 },
+            { messageId: "extraValue", data: { computed: "", key: "key" }, type: "Identifier", line: 2, column: 12 },
+            { messageId: "missingValue", data: { computed: "", key: "foobar" }, type: "CallExpression", line: 3, column: 12 }
+        ]
+    }, {
+        code: [
+            "({",
+            "    'a' : val,",
+            "    foo:fn(),",
+            "    b    :[42],",
+            "    c   :call()",
+            "}).a();"
+        ].join("\n"),
+        output: [
+            "({",
+            "    'a' :val,",
+            "    foo :fn(),",
+            "    b   :[42],",
+            "    c   :call()",
+            "}).a();"
+        ].join("\n"),
+        options: [{
+            align: "colon",
+            beforeColon: true,
+            afterColon: false
+        }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "a" }, type: "Identifier", line: 2, column: 11 },
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, type: "Identifier", line: 3, column: 5 },
+            { messageId: "extraKey", data: { computed: "", key: "b" }, type: "Identifier", line: 4, column: 5 }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    a:    fn(),",
+            "    'b' : 42,",
+            "    foo:(bar),",
+            "    bat: 'valid',",
+            "    [a] : value",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    a:   fn(),",
+            "    'b': 42,",
+            "    foo: (bar),",
+            "    bat: 'valid',",
+            "    [a]: value",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "a" }, type: "CallExpression", line: 2, column: 11 },
+            { messageId: "extraKey", data: { computed: "", key: "b" }, type: "Literal", line: 3, column: 5 },
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, type: "Identifier", line: 4, column: 9 },
+            { messageId: "extraKey", data: { computed: "computed ", key: "a" }, type: "Identifier", line: 6, column: 7 }
+        ]
+    }, {
+        code: [
+            "foo = {",
+            "    a:  value,",
+            "    b :  42,",
+            "    foo :['a'],",
+            "    bar : call()",
+            "};"
+        ].join("\n"),
+        output: [
+            "foo = {",
+            "    a :  value,",
+            "    b :  42,",
+            "    foo :['a'],",
+            "    bar :call()",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value",
+            beforeColon: true,
+            afterColon: false
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "a" }, type: "Identifier", line: 2, column: 5 },
+            { messageId: "extraValue", data: { computed: "", key: "bar" }, type: "CallExpression", line: 5, column: 11 }
+        ]
+    }, {
+        code: [
+            "({",
+            "    a : 0,",
+            "    bcd: 0,",
+            "",
+            "    e: 0,",
+            "    fg:0",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    a  : 0,",
+            "    bcd: 0,",
+            "",
+            "    e : 0,",
+            "    fg: 0",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "a" }, type: "Identifier", line: 2, column: 5 },
+            { messageId: "missingKey", data: { computed: "", key: "e" }, type: "Identifier", line: 5, column: 5 },
+            { messageId: "missingValue", data: { computed: "", key: "fg" }, type: "Literal", line: 6, column: 8 }
+        ]
+    }, {
+        code: [
+            "foo = {",
+            "    key:",
+            "        longValueName,",
+            "    key2",
+            "        :anotherLongValue",
+            "};"
+        ].join("\n"),
+        output: [
+            "foo = {",
+            "    key:longValueName,",
+            "    key2:anotherLongValue",
+            "};"
+        ].join("\n"),
+        options: [{
+            beforeColon: false,
+            afterColon: false
+        }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "key" }, type: "Identifier", line: 3, column: 9 },
+            { messageId: "extraKey", data: { computed: "", key: "key2" }, type: "Identifier", line: 4, column: 5 }
+        ]
+    }, {
+        code: [
+            "foo = {",
+            "    key1: 42,",
+            "    // still the same group",
+            "    key12: '42', /*",
+            "",
+            "    */",
+            "    key123: 'forty two'",
+            "};"
+        ].join("\n"),
+        output: [
+            "foo = {",
+            "    key1:   42,",
+            "    // still the same group",
+            "    key12:  '42', /*",
+            "",
+            "    */",
+            "    key123: 'forty two'",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "key1" }, type: "Literal" },
+            { messageId: "missingValue", data: { computed: "", key: "key12" }, type: "Literal" }
+        ]
+    }, {
+        code: "foo = { key:(1+2) };",
+        output: "foo = { key: (1+2) };",
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "key" }, line: 1, column: 13, type: "BinaryExpression" }
+        ]
+    }, {
+        code: "foo = { key:( ( (1+2) ) ) };",
+        output: "foo = { key: ( ( (1+2) ) ) };",
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "key" }, line: 1, column: 13, type: "BinaryExpression" }
+        ]
+    }, {
+        code: "var obj = {a  : 'foo', bar: 'bam'};",
+        output: "var obj = {a: 'foo', bar: 'bam'};",
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "a" }, line: 1, column: 12, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var x = {",
+            "    foo: 10",
+            "  , b   : 20",
+            "};"
+        ].join("\n"),
+        output: [
+            "var x = {",
+            "    foo: 10",
+            "  , b  : 20",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "b" }, line: 3, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var x = {",
+            "        foo : 10,",
+            " /*lol*/  b : 20",
+            "};"
+        ].join("\n"),
+        output: [
+            "var x = {",
+            "        foo : 10,",
+            " /*lol*/  b   : 20",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon", beforeColon: true }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "b" }, line: 3, column: 11, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "obj = { key ",
+            " :     longName };"
+        ].join("\n"),
+        output: [
+            "obj = { key ",
+            " : longName };"
+        ].join("\n"),
+        options: [{
+            beforeColon: true,
+            afterColon: true
+        }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "key" }, line: 2, column: 8, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    prop,",
+            "    baz: 456",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    prop,",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "baz" }, line: 4, column: 10, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar:  123,",
+            "    prop,",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    prop,",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "foobar" }, line: 2, column: 14, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() { },",
+            "    baz: 456",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() { },",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "baz" }, line: 4, column: 10, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar:  123,",
+            "    method() { },",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() { },",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "foobar" }, line: 2, column: 14, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() {",
+            "        return 42;",
+            "    },",
+            "    baz:    456",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foobar: 123,",
+            "    method() {",
+            "        return 42;",
+            "    },",
+            "    baz: 456",
+            "};"
+        ].join("\n"),
+        options: [{ align: "value" }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "baz" }, line: 6, column: 13, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo: foo",
+            "  , cats: cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo : foo",
+            "  , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 2, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo : foo",
+            "  , cats:  cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo : foo",
+            "  , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "cats" }, line: 3, column: 12, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = { foo: foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = { foo : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 1, column: 13, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = { foo  : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = { foo : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "foo" }, line: 1, column: 13, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = { foo :foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = { foo : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, line: 1, column: 18, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = { foo :  foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = { foo : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "foo" }, line: 1, column: 20, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = { foo : foo",
+            "          , cats:  cats",
+            "};"
+        ].join("\n"),
+        output: [
+            "var obj = { foo : foo",
+            "          , cats: cats",
+            "};"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "cats" }, line: 2, column: 20, type: "Identifier" }
+        ]
+    },
+
+    // https://github.com/eslint/eslint/issues/4763
+    {
+        code: [
+            "({",
+            "    ...x,",
+            "    a : 0,",
+            "    // same group",
+            "    bcd: 0, /*",
+            "    end of group */",
+            "",
+            "    // different group",
+            "    e: 0,",
+            "    ...y,",
+            "    /* group b */",
+            "    f : 0",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    ...x,",
+            "    a  : 0,",
+            "    // same group",
+            "    bcd: 0, /*",
+            "    end of group */",
+            "",
+            "    // different group",
+            "    e: 0,",
+            "    ...y,",
+            "    /* group b */",
+            "    f: 0",
+            "})"
+        ].join("\n"),
+        options: [{ align: "colon" }],
+        parserOptions: { ecmaVersion: 2018 },
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "a" }, line: 3, column: 5, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "f" }, line: 12, column: 5, type: "Identifier" }
+        ]
+    },
+
+    // https://github.com/eslint/eslint/issues/4792
+    {
+        code: [
+            "({",
+            "    a : 42,",
+            "    get b() { return 42; }",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    a: 42,",
+            "    get b() { return 42; }",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "a" }, line: 2, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    set a(b) { b; },",
+            "    c : 42",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    set a(b) { b; },",
+            "    c: 42",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "value"
+        }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "c" }, line: 3, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    a: 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    a  : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: "colon"
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "a" }, line: 2, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    a :    42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def  :  42,",
+            "    def2 : {a1: 1, b1:2, c1:3}",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    a :    42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def  :  42,",
+            "    def2 : {a1:1, b1:2, c1:3}",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                afterColon: false,
+                beforeColon: false
+            },
+            multiLine: {
+                mode: "minimum",
+                afterColon: true,
+                beforeColon: true,
+                align: "value"
+            }
+        }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "a1" }, line: 6, column: 17, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    a  : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42,",
+            "    de1: {a2: 1, b2 : 2, c2 : 3}",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    a  : 42,",
+            "    get b() { return 42; },",
+            "    set c(v) { v; },",
+            "    def: 42,",
+            "    de1: {a2 : 1, b2 : 2, c2 : 3}",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                afterColon: true,
+                beforeColon: false,
+                align: "colon"
+            },
+            singleLine: {
+                afterColon: true,
+                beforeColon: true
+            }
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "a2" }, line: 6, column: 11, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "obj = {",
+            "   get fx() { return 'f'; },",
+            "   get gx() { return 'g'; },",
+            "   ex:e",
+            "};"
+        ].join("\n"),
+        output: [
+            "obj = {",
+            "   get fx() { return 'f'; },",
+            "   get gx() { return 'g'; },",
+            "   ex: e",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "colon",
+            beforeColon: false,
+            afterColon: true,
+            mode: "minimum"
+        }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "ex" }, line: 4, column: 7, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "obj = {",
+            "   get fx() { return 'f'; },",
+            "   get gx() { return 'g'; },",
+            "   ex : e",
+            "};"
+        ].join("\n"),
+        output: [
+            "obj = {",
+            "   get fx() { return 'f'; },",
+            "   get gx() { return 'g'; },",
+            "   ex: e",
+            "};"
+        ].join("\n"),
+        options: [{
+            align: "colon",
+            beforeColon: false,
+            afterColon: true,
+            mode: "minimum"
+        }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "ex" }, line: 4, column: 4, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    aInv :43,",
+            "    get b() { return 43; },",
+            "    set c(v) { v; },",
+            "    defInv: 43",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    aInv  : 43,",
+            "    get b() { return 43; },",
+            "    set c(v) { v; },",
+            "    defInv: 43",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                afterColon: true,
+                align: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "aInv" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "missingValue", data: { computed: "", key: "aInv" }, line: 2, column: 11, type: "Literal" }
+        ]
+    },
+
+    // https://github.com/eslint/eslint/issues/5724
+    {
+        code: "({ a:b, ...object, c : d })",
+        output: "({ a: b, ...object, c: d })",
+        options: [{ align: "colon" }],
+        parserOptions: { ecmaVersion: 2018 },
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "a" }, line: 1, column: 6, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "c" }, line: 1, column: 20, type: "Identifier" }
+        ]
+    },
+
+    // https://github.com/eslint/eslint/issues/5613
+    {
+        code: [
+            "({",
+            "    longName:1,",
+            "    small    :2,",
+            "    xs      : 3",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    longName : 1,",
+            "    small    : 2,",
+            "    xs       : 3",
+            "})"
+        ].join("\n"),
+        options: [{
+            align: {
+                on: "colon",
+                beforeColon: true,
+                afterColon: true,
+                mode: "strict"
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "longName" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "missingValue", data: { computed: "", key: "longName" }, line: 2, column: 14, type: "Literal" },
+            { messageId: "missingValue", data: { computed: "", key: "small" }, line: 3, column: 15, type: "Literal" },
+            { messageId: "missingKey", data: { computed: "", key: "xs" }, line: 4, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    func:function() {",
+            "        var test = true;",
+            "    },",
+            "    longName: 1,",
+            "    small: 2,",
+            "    xs            : 3,",
+            "    func2    : function() {",
+            "        var test2 = true;",
+            "    },",
+            "    singleLine : 10",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    func: function() {",
+            "        var test = true;",
+            "    },",
+            "    longName : 1,",
+            "    small    : 2,",
+            "    xs       : 3,",
+            "    func2    : function() {",
+            "        var test2 = true;",
+            "    },",
+            "    singleLine: 10",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true
+            },
+            align: {
+                on: "colon",
+                beforeColon: true,
+                afterColon: true,
+                mode: "strict"
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "func" }, line: 2, column: 10, type: "FunctionExpression" },
+            { messageId: "missingKey", data: { computed: "", key: "longName" }, line: 5, column: 5, type: "Identifier" },
+            { messageId: "missingKey", data: { computed: "", key: "small" }, line: 6, column: 5, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "xs" }, line: 7, column: 5, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "singleLine" }, line: 11, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "({",
+            "    func:function() {",
+            "        var test = false;",
+            "    },",
+            "    longName :1,",
+            "    small :2,",
+            "    xs            : 3,",
+            "    func2    : function() {",
+            "        var test2 = true;",
+            "    },",
+            "    singleLine : 10",
+            "})"
+        ].join("\n"),
+        output: [
+            "({",
+            "    func: function() {",
+            "        var test = false;",
+            "    },",
+            "    longName :1,",
+            "    small    :2,",
+            "    xs       :3,",
+            "    func2    :function() {",
+            "        var test2 = true;",
+            "    },",
+            "    singleLine: 10",
+            "})"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                align: {
+                    on: "colon",
+                    beforeColon: true,
+                    afterColon: false,
+                    mode: "strict"
+                }
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "func" }, line: 2, column: 10, type: "FunctionExpression" },
+            { messageId: "missingKey", data: { computed: "", key: "small" }, line: 6, column: 5, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "xs" }, line: 7, column: 5, type: "Identifier" },
+            { messageId: "extraValue", data: { computed: "", key: "xs" }, line: 7, column: 21, type: "Literal" },
+            { messageId: "extraValue", data: { computed: "", key: "func2" }, line: 8, column: 16, type: "FunctionExpression" },
+            { messageId: "extraKey", data: { computed: "", key: "singleLine" }, line: 11, column: 5, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2:    2,",
+            "    key3:    3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2: 2,",
+            "    key3: 3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "strict",
+                align: {
+                    beforeColon: false,
+                    afterColon: true,
+                    on: "colon"
+                }
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "key2" }, line: 4, column: 14, type: "Literal" },
+            { messageId: "extraValue", data: { computed: "", key: "key3" }, line: 5, column: 14, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2:    2,",
+            "    key3:    3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    key1: 1,",
+            "",
+            "    key2: 2,",
+            "    key3: 3,",
+            "",
+            "    key4: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                beforeColon: false,
+                afterColon: true,
+                mode: "strict"
+            },
+            align: {
+                beforeColon: false,
+                afterColon: true,
+                on: "colon"
+            }
+        }],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "key2" }, line: 4, column: 14, type: "Literal" },
+            { messageId: "extraValue", data: { computed: "", key: "key3" }, line: 5, column: 14, type: "Literal" }
+        ]
+    }, {
+
+        // https://github.com/eslint/eslint/issues/7603
+        code: "({ foo/* comment */ : bar })",
+        output: "({ foo/* comment */: bar })",
+        errors: [{ messageId: "extraKey", data: { computed: "", key: "foo" }, line: 1, column: 7, type: "Identifier" }]
+    }, {
+        code: "({ foo: /* comment */bar })",
+        output: "({ foo:/* comment */bar })",
+        options: [{ afterColon: false }],
+        errors: [{ messageId: "extraValue", data: { computed: "", key: "foo" }, line: 1, column: 9, type: "Identifier" }]
+    },
+    {
+        code: "({ foo/*comment*/:/*comment*/bar })",
+        output: "({ foo/*comment*/ : /*comment*/bar })",
+        options: [{ beforeColon: true, afterColon: true }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 1, column: 7, type: "Identifier" },
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, line: 1, column: 19, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo:1, 'bar':2, baz:3",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo : 1, 'bar' : 2, baz : 3",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            multiLine: {
+                beforeColon: true,
+                afterColon: true,
+                align: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, line: 2, column: 9, type: "Literal" },
+            { messageId: "missingKey", data: { computed: "", key: "bar" }, line: 2, column: 12, type: "Literal" },
+            { messageId: "missingValue", data: { computed: "", key: "bar" }, line: 2, column: 18, type: "Literal" },
+            { messageId: "missingKey", data: { computed: "", key: "baz" }, line: 2, column: 21, type: "Identifier" },
+            { messageId: "missingValue", data: { computed: "", key: "baz" }, line: 2, column: 25, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo : 1, 'bar' : 2, baz : 3, longlonglong : 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo: 1, 'bar': 2, baz: 3, longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            multiLine: {
+                align: "value"
+            }
+        }],
+        errors: [
+            { messageId: "extraKey", data: { computed: "", key: "foo" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "bar" }, line: 2, column: 14, type: "Literal" },
+            { messageId: "extraKey", data: { computed: "", key: "baz" }, line: 2, column: 25, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "longlonglong" }, line: 2, column: 34, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo:1",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo: 1",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            multiLine: {
+                align: "value"
+            }
+        }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, line: 2, column: 9, type: "Literal" }
+        ]
+    }, {
+        code: [
+            "foo({",
+            "    bar:1",
+            "})"
+        ].join("\n"),
+        output: [
+            "foo({",
+            "    bar: 1",
+            "})"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "bar" }, line: 2, column: 9, type: "Literal" }
+        ]
+    }, {
+        code: "var obj = { foo: 1, 'bar': 2, baz :3, longlonglong :4 }",
+        output: "var obj = { foo:1, 'bar':2, baz:3, longlonglong:4 }",
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "extraValue", data: { computed: "", key: "foo" }, line: 1, column: 18, type: "Literal" },
+            { messageId: "extraValue", data: { computed: "", key: "bar" }, line: 1, column: 28, type: "Literal" },
+            { messageId: "extraKey", data: { computed: "", key: "baz" }, line: 1, column: 31, type: "Identifier" },
+            { messageId: "extraKey", data: { computed: "", key: "longlonglong" }, line: 1, column: 39, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo: 1,",
+            "    'bar': 2, baz: 3, longlonglong: 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo         : 1,",
+            "    'bar'       : 2, baz         : 3, longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "missingKey", data: { computed: "", key: "bar" }, line: 3, column: 5, type: "Literal" },
+            { messageId: "missingKey", data: { computed: "", key: "baz" }, line: 3, column: 15, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo : 1,",
+            "    'bar' : 2, baz : 3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo         : 1,",
+            "    'bar'       : 2, baz         : 3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "colon"
+            }
+        }],
+        errors: [
+            { messageId: "missingKey", data: { computed: "", key: "foo" }, line: 2, column: 5, type: "Identifier" },
+            { messageId: "missingKey", data: { computed: "", key: "bar" }, line: 3, column: 5, type: "Literal" },
+            { messageId: "missingKey", data: { computed: "", key: "baz" }, line: 3, column: 16, type: "Identifier" }
+        ]
+    }, {
+        code: [
+            "var obj = {",
+            "    foo: 1,",
+            "    'bar': 2, baz: 3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        output: [
+            "var obj = {",
+            "    foo:          1,",
+            "    'bar':        2, baz:          3,",
+            "    longlonglong: 4",
+            "}"
+        ].join("\n"),
+        options: [{
+            singleLine: {
+                beforeColon: false,
+                afterColon: false
+            },
+            align: {
+                on: "value"
+            }
+        }],
+        errors: [
+            { messageId: "missingValue", data: { computed: "", key: "foo" }, line: 2, column: 10, type: "Literal" },
+            { messageId: "missingValue", data: { computed: "", key: "bar" }, line: 3, column: 12, type: "Literal" },
+            { messageId: "missingValue", data: { computed: "", key: "baz" }, line: 3, column: 20, type: "Literal" }
+        ]
+    }]
+});
diff --git a/eslint/tests/lib/rules/keyword-spacing.js b/eslint/tests/lib/rules/keyword-spacing.js
new file mode 100644
index 0000000..9971fac
--- /dev/null
+++ b/eslint/tests/lib/rules/keyword-spacing.js
@@ -0,0 +1,3137 @@
+/**
+ * @fileoverview Tests for keyword-spacing rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const parser = require("../../fixtures/fixture-parser"),
+    rule = require("../../../lib/rules/keyword-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const BOTH = { before: true, after: true };
+const NEITHER = { before: false, after: false };
+
+/**
+ * Creates an option object to test an "overrides" option.
+ *
+ * e.g.
+ *
+ *     override("as", BOTH)
+ *
+ * returns
+ *
+ *     {
+ *         before: false,
+ *         after: false,
+ *         overrides: {as: {before: true, after: true}}
+ *     }
+ * @param {string} keyword A keyword to be overriden.
+ * @param {Object} value A value to override.
+ * @returns {Object} An option object to test an "overrides" option.
+ */
+function override(keyword, value) {
+    const retv = {
+        before: value.before === false,
+        after: value.after === false,
+        overrides: {}
+    };
+
+    retv.overrides[keyword] = value;
+
+    return retv;
+}
+
+/**
+ * Gets an error message that expected space(s) before a specified keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} An error message.
+ */
+function expectedBefore(keyword) {
+    return [{ messageId: "expectedBefore", data: { value: keyword } }];
+}
+
+/**
+ * Gets an error message that expected space(s) after a specified keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} An error message.
+ */
+function expectedAfter(keyword) {
+    return [{ messageId: "expectedAfter", data: { value: keyword } }];
+}
+
+/**
+ * Gets error messages that expected space(s) before and after a specified
+ * keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} Error messages.
+ */
+function expectedBeforeAndAfter(keyword) {
+    return [
+        { messageId: "expectedBefore", data: { value: keyword } },
+        { messageId: "expectedAfter", data: { value: keyword } }
+    ];
+}
+
+/**
+ * Gets an error message that unexpected space(s) before a specified keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} An error message.
+ */
+function unexpectedBefore(keyword) {
+    return [{ messageId: "unexpectedBefore", data: { value: keyword } }];
+}
+
+/**
+ * Gets an error message that unexpected space(s) after a specified keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} An error message.
+ */
+function unexpectedAfter(keyword) {
+    return [{ messageId: "unexpectedAfter", data: { value: keyword } }];
+}
+
+/**
+ * Gets error messages that unexpected space(s) before and after a specified
+ * keyword.
+ * @param {string} keyword A keyword.
+ * @returns {string[]} Error messages.
+ */
+function unexpectedBeforeAndAfter(keyword) {
+    return [
+        { messageId: "unexpectedBefore", data: { value: keyword } },
+        { messageId: "unexpectedAfter", data: { value: keyword } }
+    ];
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("keyword-spacing", rule, {
+    valid: [
+
+        //----------------------------------------------------------------------
+        // as
+        //----------------------------------------------------------------------
+
+        { code: "import * as a from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import*as a from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import* as a from\"foo\"", options: [override("as", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import *as a from \"foo\"", options: [override("as", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        //----------------------------------------------------------------------
+        // async
+        //----------------------------------------------------------------------
+
+        { code: "{} async function foo() {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "{}async function foo() {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "{} async function foo() {}", options: [override("async", BOTH)], parserOptions: { ecmaVersion: 8 } },
+        { code: "{}async function foo() {}", options: [override("async", NEITHER)], parserOptions: { ecmaVersion: 8 } },
+        { code: "{} async () => {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "{}async () => {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "{} async () => {}", options: [override("async", BOTH)], parserOptions: { ecmaVersion: 8 } },
+        { code: "{}async () => {}", options: [override("async", NEITHER)], parserOptions: { ecmaVersion: 8 } },
+        { code: "({async [b]() {}})", parserOptions: { ecmaVersion: 8 } },
+        { code: "({async[b]() {}})", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "({async [b]() {}})", options: [override("async", BOTH)], parserOptions: { ecmaVersion: 8 } },
+        { code: "({async[b]() {}})", options: [override("async", NEITHER)], parserOptions: { ecmaVersion: 8 } },
+        { code: "class A {a(){} async [b]() {}}", parserOptions: { ecmaVersion: 8 } },
+        { code: "class A {a(){}async[b]() {}}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "class A {a(){} async [b]() {}}", options: [override("async", BOTH)], parserOptions: { ecmaVersion: 8 } },
+        { code: "class A {a(){}async[b]() {}}", options: [override("async", NEITHER)], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `array-bracket-spacing`
+        { code: "[async function foo() {}]", parserOptions: { ecmaVersion: 8 } },
+        { code: "[ async function foo() {}]", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `arrow-spacing`
+        { code: "() =>async function foo() {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "() => async function foo() {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `block-spacing`
+        { code: "{async function foo() {} }", parserOptions: { ecmaVersion: 8 } },
+        { code: "{ async function foo() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `comma-spacing`
+        { code: "(0,async function foo() {})", parserOptions: { ecmaVersion: 8 } },
+        { code: "(0, async function foo() {})", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `computed-property-spacing`
+        { code: "a[async function foo() {}]", parserOptions: { ecmaVersion: 8 } },
+        { code: "({[async function foo() {}]: 0})", parserOptions: { ecmaVersion: 8 } },
+        { code: "a[ async function foo() {}]", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "({[ async function foo() {}]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `generator-star-spacing`
+        { code: "({ async* foo() {} })", parserOptions: { ecmaVersion: 2018 } },
+        { code: "({ async *foo() {} })", options: [NEITHER], parserOptions: { ecmaVersion: 2018 } },
+
+        // not conflict with `key-spacing`
+        { code: "({a:async function foo() {} })", parserOptions: { ecmaVersion: 8 } },
+        { code: "({a: async function foo() {} })", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `semi-spacing`
+        { code: ";async function foo() {};", parserOptions: { ecmaVersion: 8 } },
+        { code: "; async function foo() {} ;", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-before-function-paren`
+        { code: "async() => {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-in-parens`
+        { code: "(async function foo() {})", parserOptions: { ecmaVersion: 8 } },
+        { code: "( async function foo() {})", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-infix-ops`
+        { code: "a =async function foo() {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "a = async function foo() {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-unary-ops`
+        { code: "!async function foo() {}", parserOptions: { ecmaVersion: 8 } },
+        { code: "! async function foo() {}", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${async function foo() {}}`", parserOptions: { ecmaVersion: 8 } },
+        { code: "`${ async function foo() {}}`", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={async function foo() {}} />", parserOptions: { ecmaVersion: 8, ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ async function foo() {}} />", options: [NEITHER], parserOptions: { ecmaVersion: 8, ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // await
+        //----------------------------------------------------------------------
+
+        { code: "async function wrap() { {} await +1 }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { {}await +1 }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { {} await +1 }", options: [override("await", BOTH)], parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { {}await +1 }", options: [override("await", NEITHER)], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `array-bracket-spacing`
+        { code: "async function wrap() { [await a] }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { [ await a] }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `arrow-spacing`
+        { code: "async () =>await a", parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => await a", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `block-spacing`
+        { code: "async function wrap() { {await a } }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { { await a } }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `comma-spacing`
+        { code: "async function wrap() { (0,await a) }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { (0, await a) }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `computed-property-spacing`
+        { code: "async function wrap() { a[await a] }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ({[await a]: 0}) }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { a[ await a] }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ({[ await a]: 0}) }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `key-spacing`
+        { code: "async function wrap() { ({a:await a }) }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ({a: await a }) }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `semi-spacing`
+        { code: "async function wrap() { ;await a; }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ; await a ; }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-in-parens`
+        { code: "async function wrap() { (await a) }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ( await a) }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-infix-ops`
+        { code: "async function wrap() { a =await a }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { a = await a }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `space-unary-ops`
+        { code: "async function wrap() { !await'a' }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { ! await 'a' }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `template-curly-spacing`
+        { code: "async function wrap() { `${await a}` }", parserOptions: { ecmaVersion: 8 } },
+        { code: "async function wrap() { `${ await a}` }", options: [NEITHER], parserOptions: { ecmaVersion: 8 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "async function wrap() { <Foo onClick={await a} /> }", parserOptions: { ecmaVersion: 8, ecmaFeatures: { jsx: true } } },
+        { code: "async function wrap() { <Foo onClick={ await a} /> }", options: [NEITHER], parserOptions: { ecmaVersion: 8, ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // break
+        //----------------------------------------------------------------------
+
+        "A: for (;;) { {} break A; }",
+        { code: "A: for(;;) { {}break A; }", options: [NEITHER] },
+        { code: "A: for(;;) { {} break A; }", options: [override("break", BOTH)] },
+        { code: "A: for (;;) { {}break A; }", options: [override("break", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "for (;;) {break}",
+        { code: "for(;;) { break }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "for (;;) { ;break; }",
+        { code: "for(;;) { ; break ; }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // case
+        //----------------------------------------------------------------------
+
+        "switch (a) { case 0: {} case +1: }",
+        "switch (a) { case 0: {} case (1): }",
+        { code: "switch(a) { case 0: {}case+1: }", options: [NEITHER] },
+        { code: "switch(a) { case 0: {}case(1): }", options: [NEITHER] },
+        { code: "switch(a) { case 0: {} case +1: }", options: [override("case", BOTH)] },
+        { code: "switch (a) { case 0: {}case+1: }", options: [override("case", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "switch (a) {case 0: }",
+        { code: "switch(a) { case 0: }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "switch (a) { case 0: ;case 1: }",
+        { code: "switch(a) { case 0: ; case 1: }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // catch
+        //----------------------------------------------------------------------
+
+        "try {} catch (e) {}",
+        { code: "try{}catch(e) {}", options: [NEITHER] },
+        { code: "try{} catch (e) {}", options: [override("catch", BOTH)] },
+        { code: "try {}catch(e) {}", options: [override("catch", NEITHER)] },
+        "try {}\ncatch (e) {}",
+        { code: "try{}\ncatch(e) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // class
+        //----------------------------------------------------------------------
+
+        { code: "{} class Bar {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "(class {})", parserOptions: { ecmaVersion: 6 } },
+        { code: "{}class Bar {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "(class{})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} class Bar {}", options: [override("class", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}class Bar {}", options: [override("class", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `array-bracket-spacing`
+        { code: "[class {}]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[ class{}]", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `arrow-spacing`
+        { code: "() =>class {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "() => class{}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        { code: "{class Bar {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ class Bar {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `comma-spacing`
+        { code: "(0,class {})", parserOptions: { ecmaVersion: 6 } },
+        { code: "(0, class{})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `computed-property-spacing`
+        { code: "a[class {}]", parserOptions: { ecmaVersion: 6 } },
+        { code: "({[class {}]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ class{}]", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "({[ class{}]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        { code: "({a:class {} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a: class{} })", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: ";class Bar {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "; class Bar {} ;", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-in-parens`
+        { code: "( class{})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-infix-ops`
+        { code: "a =class {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "a = class{}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-unary-ops`
+        { code: "!class {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "! class{}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${class {}}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ class{}}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={class {}} />", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ class{}} />", options: [NEITHER], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // const
+        //----------------------------------------------------------------------
+
+        { code: "{} const [a] = b", parserOptions: { ecmaVersion: 6 } },
+        { code: "{} const {a} = b", parserOptions: { ecmaVersion: 6 } },
+        { code: "{}const[a] = b", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}const{a} = b", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} const [a] = b", options: [override("const", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} const {a} = b", options: [override("const", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}const[a] = b", options: [override("const", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}const{a} = b", options: [override("const", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        { code: "{const a = b}", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = b}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: ";const a = b;", parserOptions: { ecmaVersion: 6 } },
+        { code: "; const a = b ;", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // continue
+        //----------------------------------------------------------------------
+
+        "A: for (;;) { {} continue A; }",
+        { code: "A: for(;;) { {}continue A; }", options: [NEITHER] },
+        { code: "A: for(;;) { {} continue A; }", options: [override("continue", BOTH)] },
+        { code: "A: for (;;) { {}continue A; }", options: [override("continue", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "for (;;) {continue}",
+        { code: "for(;;) { continue }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "for (;;) { ;continue; }",
+        { code: "for(;;) { ; continue ; }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // debugger
+        //----------------------------------------------------------------------
+
+        "{} debugger",
+        { code: "{}debugger", options: [NEITHER] },
+        { code: "{} debugger", options: [override("debugger", BOTH)] },
+        { code: "{}debugger", options: [override("debugger", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "{debugger}",
+        { code: "{ debugger }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";debugger;",
+        { code: "; debugger ;", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // default
+        //----------------------------------------------------------------------
+
+        "switch (a) { case 0: {} default: }",
+        { code: "switch(a) { case 0: {}default: }", options: [NEITHER] },
+        { code: "switch(a) { case 0: {} default: }", options: [override("default", BOTH)] },
+        { code: "switch (a) { case 0: {}default: }", options: [override("default", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "switch (a) {default:}",
+        { code: "switch(a) { default: }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "switch (a) { case 0: ;default: }",
+        { code: "switch(a) { case 0: ; default: }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // delete
+        //----------------------------------------------------------------------
+
+        "{} delete foo.a",
+        { code: "{}delete foo.a", options: [NEITHER] },
+        { code: "{} delete foo.a", options: [override("delete", BOTH)] },
+        { code: "{}delete foo.a", options: [override("delete", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[delete foo.a]",
+        { code: "[ delete foo.a]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>delete foo.a)", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => delete foo.a)", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{delete foo.a }",
+        { code: "{ delete foo.a }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,delete foo.a)",
+        { code: "(0, delete foo.a)", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[delete foo.a]",
+        { code: "({[delete foo.a]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ delete foo.a]", options: [NEITHER] },
+        { code: "({[ delete foo.a]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:delete foo.a })",
+        { code: "({a: delete foo.a })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";delete foo.a",
+        { code: "; delete foo.a", options: [NEITHER] },
+
+        // not conflict with `space-in-parens`
+        "(delete foo.a)",
+        { code: "( delete foo.a)", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =delete foo.a",
+        { code: "a = delete foo.a", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!delete(foo.a)",
+        { code: "! delete (foo.a)", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${delete foo.a}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ delete foo.a}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={delete foo.a} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ delete foo.a} />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // do
+        //----------------------------------------------------------------------
+
+        "{} do {} while (true)",
+        { code: "{}do{}while(true)", options: [NEITHER] },
+        { code: "{} do {}while(true)", options: [override("do", BOTH)] },
+        { code: "{}do{} while (true)", options: [override("do", NEITHER)] },
+        "{}\ndo\n{} while (true)",
+        { code: "{}\ndo\n{}while(true)", options: [NEITHER] },
+
+        // not conflict with `block-spacing`
+        "{do {} while (true)}",
+        { code: "{ do{}while(true) }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";do; while (true)",
+        { code: "; do ;while(true)", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // else
+        //----------------------------------------------------------------------
+
+        "if (a) {} else {}",
+        "if (a) {} else if (b) {}",
+        "if (a) {} else (0)",
+        "if (a) {} else []",
+        "if (a) {} else +1",
+        "if (a) {} else \"a\"",
+        { code: "if(a){}else{}", options: [NEITHER] },
+        { code: "if(a){}else if(b) {}", options: [NEITHER] },
+        { code: "if(a) {}else(0)", options: [NEITHER] },
+        { code: "if(a) {}else[]", options: [NEITHER] },
+        { code: "if(a) {}else+1", options: [NEITHER] },
+        { code: "if(a) {}else\"a\"", options: [NEITHER] },
+        { code: "if(a) {} else {}", options: [override("else", BOTH)] },
+        { code: "if (a) {}else{}", options: [override("else", NEITHER)] },
+        "if (a) {}\nelse\n{}",
+        { code: "if(a) {}\nelse\n{}", options: [NEITHER] },
+        { code: "if(a){ }else{ }", options: [{ before: false, after: true, overrides: { else: { after: false }, if: { after: false } } }] },
+        { code: "if(a){ }else{ }", options: [{ before: true, after: false, overrides: { else: { before: false }, if: { before: false } } }] },
+
+        // not conflict with `semi-spacing`
+        "if (a);else;",
+        { code: "if(a); else ;", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // export
+        //----------------------------------------------------------------------
+
+        { code: "var a = 0; {} export {a}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} export default a", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} export * from \"a\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var a = 0; {}export{a}", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var a = 0; {} export {a}", options: [override("export", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var a = 0; {}export{a}", options: [override("export", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // not conflict with `semi-spacing`
+        { code: "var a = 0;\n;export {a}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var a = 0;\n; export{a}", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        //----------------------------------------------------------------------
+        // extends
+        //----------------------------------------------------------------------
+
+        { code: "class Bar extends [] {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "class Bar extends[] {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class Bar extends [] {}", options: [override("extends", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class Bar extends[] {}", options: [override("extends", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // finally
+        //----------------------------------------------------------------------
+
+        "try {} finally {}",
+        { code: "try{}finally{}", options: [NEITHER] },
+        { code: "try{} finally {}", options: [override("finally", BOTH)] },
+        { code: "try {}finally{}", options: [override("finally", NEITHER)] },
+        "try {}\nfinally\n{}",
+        { code: "try{}\nfinally\n{}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // for
+        //----------------------------------------------------------------------
+
+        "{} for (;;) {}",
+        "{} for (var foo in obj) {}",
+        { code: "{} for (var foo of list) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "{}for(;;) {}", options: [NEITHER] },
+        { code: "{}for(var foo in obj) {}", options: [NEITHER] },
+        { code: "{}for(var foo of list) {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} for (;;) {}", options: [override("for", BOTH)] },
+        { code: "{} for (var foo in obj) {}", options: [override("for", BOTH)] },
+        { code: "{} for (var foo of list) {}", options: [override("for", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}for(;;) {}", options: [override("for", NEITHER)] },
+        { code: "{}for(var foo in obj) {}", options: [override("for", NEITHER)] },
+        { code: "{}for(var foo of list) {}", options: [override("for", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{for (;;) {} }",
+        "{for (var foo in obj) {} }",
+        { code: "{for (var foo of list) {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ for(;;) {} }", options: [NEITHER] },
+        { code: "{ for(var foo in obj) {} }", options: [NEITHER] },
+        { code: "{ for(var foo of list) {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        ";for (;;) {}",
+        ";for (var foo in obj) {}",
+        { code: ";for (var foo of list) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "; for(;;) {}", options: [NEITHER] },
+        { code: "; for(var foo in obj) {}", options: [NEITHER] },
+        { code: "; for(var foo of list) {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // from
+        //----------------------------------------------------------------------
+
+        { code: "import {foo} from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {foo} from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export * from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import{foo}from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export{foo}from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export*from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import{foo} from \"foo\"", options: [override("from", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export{foo} from \"foo\"", options: [override("from", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export* from \"foo\"", options: [override("from", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {foo}from\"foo\"", options: [override("from", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {foo}from\"foo\"", options: [override("from", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export *from\"foo\"", options: [override("from", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        //----------------------------------------------------------------------
+        // function
+        //----------------------------------------------------------------------
+
+        "{} function foo() {}",
+        { code: "{}function foo() {}", options: [NEITHER] },
+        { code: "{} function foo() {}", options: [override("function", BOTH)] },
+        { code: "{}function foo() {}", options: [override("function", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[function() {}]",
+        { code: "[ function() {}]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>function() {})", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => function() {})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{function foo() {} }",
+        { code: "{ function foo() {} }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,function() {})",
+        { code: "(0, function() {})", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[function() {}]",
+        { code: "({[function() {}]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ function() {}]", options: [NEITHER] },
+        { code: "({[ function(){}]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `generator-star-spacing`
+        { code: "function* foo() {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function *foo() {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:function() {} })",
+        { code: "({a: function() {} })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";function foo() {};",
+        { code: "; function foo() {} ;", options: [NEITHER] },
+
+        /*
+         * not conflict with `space-before-function-paren`
+         * not conflict with `space-in-parens`
+         */
+        "(function() {})",
+        { code: "( function () {})", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =function() {}",
+        { code: "a = function() {}", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!function() {}",
+        { code: "! function() {}", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${function() {}}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ function() {}}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={function() {}} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ function() {}} />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // get
+        //----------------------------------------------------------------------
+
+        { code: "({ get [b]() {} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} get [b]() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} static get [b]() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ get[b]() {} })", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}get[b]() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}static get[b]() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ get [b]() {} })", options: [override("get", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} get [b]() {} }", options: [override("get", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ get[b]() {} })", options: [override("get", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}get[b]() {} }", options: [override("get", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `comma-spacing`
+        { code: "({ a,get [b]() {} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a, get[b]() {} })", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // if
+        //----------------------------------------------------------------------
+
+        "{} if (a) {}",
+        "if (a) {} else if (a) {}",
+        { code: "{}if(a) {}", options: [NEITHER] },
+        { code: "if(a) {}else if(a) {}", options: [NEITHER] },
+        { code: "{} if (a) {}", options: [override("if", BOTH)] },
+        { code: "if (a) {}else if (a) {}", options: [override("if", BOTH)] },
+        { code: "{}if(a) {}", options: [override("if", NEITHER)] },
+        { code: "if(a) {} else if(a) {}", options: [override("if", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "{if (a) {} }",
+        { code: "{ if(a) {} }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";if (a) {}",
+        { code: "; if(a) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // import
+        //----------------------------------------------------------------------
+
+        { code: "{} import {a} from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} import a from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} import * as a from \"a\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{}import{a}from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{}import*as a from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} import {a}from\"foo\"", options: [override("import", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{} import *as a from\"foo\"", options: [override("import", BOTH)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{}import{a} from \"foo\"", options: [override("import", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "{}import* as a from \"foo\"", options: [override("import", NEITHER)], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // not conflict with `semi-spacing`
+        { code: ";import {a} from \"foo\"", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "; import{a}from\"foo\"", options: [NEITHER], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        //----------------------------------------------------------------------
+        // in
+        //----------------------------------------------------------------------
+
+        { code: "for ([foo] in {foo: 0}) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "for([foo]in{foo: 0}) {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "for([foo] in {foo: 0}) {}", options: [override("in", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "for ([foo]in{foo: 0}) {}", options: [override("in", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        { code: "for ([foo] in ({foo: 0})) {}", parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-infix-ops`
+        "if (\"foo\"in{foo: 0}) {}",
+        { code: "if(\"foo\" in {foo: 0}) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // instanceof
+        //----------------------------------------------------------------------
+
+        // not conflict with `space-infix-ops`
+        "if (\"foo\"instanceof{foo: 0}) {}",
+        { code: "if(\"foo\" instanceof {foo: 0}) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // let
+        //----------------------------------------------------------------------
+
+        { code: "{} let [a] = b", parserOptions: { ecmaVersion: 6 } },
+        { code: "{}let[a] = b", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} let [a] = b", options: [override("let", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}let[a] = b", options: [override("let", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        { code: "{let [a] = b }", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ let[a] = b }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: ";let [a] = b", parserOptions: { ecmaVersion: 6 } },
+        { code: "; let[a] = b", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // new
+        //----------------------------------------------------------------------
+
+        "{} new foo()",
+        { code: "{}new foo()", options: [NEITHER] },
+        { code: "{} new foo()", options: [override("new", BOTH)] },
+        { code: "{}new foo()", options: [override("new", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[new foo()]",
+        { code: "[ new foo()]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>new foo())", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => new foo())", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{new foo() }",
+        { code: "{ new foo() }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,new foo())",
+        { code: "(0, new foo())", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[new foo()]",
+        { code: "({[new foo()]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ new foo()]", options: [NEITHER] },
+        { code: "({[ new foo()]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:new foo() })",
+        { code: "({a: new foo() })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";new foo()",
+        { code: "; new foo()", options: [NEITHER] },
+
+        // not conflict with `space-in-parens`
+        "(new foo())",
+        { code: "( new foo())", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =new foo()",
+        { code: "a = new foo()", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!new(foo)()",
+        { code: "! new (foo)()", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${new foo()}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ new foo()}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={new foo()} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ new foo()} />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // of
+        //----------------------------------------------------------------------
+
+        { code: "for ([foo] of {foo: 0}) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "for([foo]of{foo: 0}) {}", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "for([foo] of {foo: 0}) {}", options: [override("of", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "for ([foo]of{foo: 0}) {}", options: [override("of", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        { code: "for ([foo] of ({foo: 0})) {}", parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // return
+        //----------------------------------------------------------------------
+
+        "function foo() { {} return +a }",
+        { code: "function foo() { {}return+a }", options: [NEITHER] },
+        { code: "function foo() { {} return +a }", options: [override("return", BOTH)] },
+        { code: "function foo() { {}return+a }", options: [override("return", NEITHER)] },
+        "function foo() {\nreturn\n}",
+        { code: "function foo() {\nreturn\n}", options: [NEITHER] },
+
+        // not conflict with `block-spacing`
+        "function foo() {return}",
+        { code: "function foo() { return }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "function foo() { ;return; }",
+        { code: "function foo() { ; return ; }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // set
+        //----------------------------------------------------------------------
+
+        { code: "({ set [b](value) {} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} set [b](value) {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} static set [b](value) {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ set[b](value) {} })", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}set[b](value) {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ set [b](value) {} })", options: [override("set", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} set [b](value) {} }", options: [override("set", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ set[b](value) {} })", options: [override("set", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}set[b](value) {} }", options: [override("set", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `comma-spacing`
+        { code: "({ a,set [b](value) {} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a, set[b](value) {} })", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // static
+        //----------------------------------------------------------------------
+
+        { code: "class A { a() {} static [b]() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}static[b]() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {} static [b]() {} }", options: [override("static", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() {}static[b]() {} }", options: [override("static", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `generator-star-spacing`
+        { code: "class A { static* [a]() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { static *[a]() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: "class A { ;static a() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { ; static a() {} }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        //----------------------------------------------------------------------
+        // super
+        //----------------------------------------------------------------------
+
+        { code: "class A extends B { a() { {} super[b](); } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { a() { {}super[b](); } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { a() { {} super[b](); } }", options: [override("super", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { a() { {}super[b](); } }", options: [override("super", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `array-bracket-spacing`
+        { code: "class A extends B { constructor() { [super()]; } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { [ super() ]; } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `arrow-spacing`
+        { code: "class A extends B { constructor() { () =>super(); } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { () => super(); } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        { code: "class A extends B { constructor() {super()} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { super() } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `comma-spacing`
+        { code: "class A extends B { constructor() { (0,super()) } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { (0, super()) } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `computed-property-spacing`
+        { code: "class A extends B { constructor() { ({[super()]: 0}) } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { ({[ super() ]: 0}) } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        { code: "class A extends B { constructor() { ({a:super() }) } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { ({a: super() }) } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `func-call-spacing`
+        { code: "class A extends B { constructor() { super(); } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { super (); } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: "class A extends B { constructor() { ;super(); } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { ; super() ; } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-in-parens`
+        { code: "class A extends B { constructor() { (super()) } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { ( super() ) } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-infix-ops`
+        { code: "class A extends B { constructor() { b =super() } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { b = super() } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-unary-ops`
+        { code: "class A extends B { constructor() { !super() } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { ! super() } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `template-curly-spacing`
+        { code: "class A extends B { constructor() { `${super()}` } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A extends B { constructor() { `${ super() }` } }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "class A extends B { constructor() { <Foo onClick={super()} /> } }", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "class A extends B { constructor() { <Foo onClick={ super() } /> } }", options: [NEITHER], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // switch
+        //----------------------------------------------------------------------
+
+        "{} switch (a) {}",
+        { code: "{}switch(a) {}", options: [NEITHER] },
+        { code: "{} switch (a) {}", options: [override("switch", BOTH)] },
+        { code: "{}switch(a) {}", options: [override("switch", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "{switch (a) {} }",
+        { code: "{ switch(a) {} }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";switch (a) {}",
+        { code: "; switch(a) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // this
+        //----------------------------------------------------------------------
+
+        "{} this[a]",
+        { code: "{}this[a]", options: [NEITHER] },
+        { code: "{} this[a]", options: [override("this", BOTH)] },
+        { code: "{}this[a]", options: [override("this", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[this]",
+        { code: "[ this ]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>this)", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => this)", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{this}",
+        { code: "{ this }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,this)",
+        { code: "(0, this)", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[this]",
+        { code: "({[this]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ this ]", options: [NEITHER] },
+        { code: "({[ this ]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:this })",
+        { code: "({a: this })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";this",
+        { code: "; this", options: [NEITHER] },
+
+        // not conflict with `space-in-parens`
+        "(this)",
+        { code: "( this )", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =this",
+        { code: "a = this", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!this",
+        { code: "! this", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${this}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ this }`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={this} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ this } />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // throw
+        //----------------------------------------------------------------------
+
+        "function foo() { {} throw +a }",
+        { code: "function foo() { {}throw+a }", options: [NEITHER] },
+        { code: "function foo() { {} throw +a }", options: [override("throw", BOTH)] },
+        { code: "function foo() { {}throw+a }", options: [override("throw", NEITHER)] },
+        "function foo() {\nthrow a\n}",
+        { code: "function foo() {\nthrow a\n}", options: [NEITHER] },
+
+        // not conflict with `block-spacing`
+        "function foo() {throw a }",
+        { code: "function foo() { throw a }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        "function foo() { ;throw a }",
+        { code: "function foo() { ; throw a }", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // try
+        //----------------------------------------------------------------------
+
+        "{} try {} finally {}",
+        { code: "{}try{}finally{}", options: [NEITHER] },
+        { code: "{} try {}finally{}", options: [override("try", BOTH)] },
+        { code: "{}try{} finally {}", options: [override("try", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "{try {} finally {}}",
+        { code: "{ try{}finally{}}", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";try {} finally {}",
+        { code: "; try{}finally{}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // typeof
+        //----------------------------------------------------------------------
+
+        "{} typeof foo",
+        { code: "{}typeof foo", options: [NEITHER] },
+        { code: "{} typeof foo", options: [override("typeof", BOTH)] },
+        { code: "{}typeof foo", options: [override("typeof", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[typeof foo]",
+        { code: "[ typeof foo]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>typeof foo)", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => typeof foo)", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{typeof foo }",
+        { code: "{ typeof foo }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,typeof foo)",
+        { code: "(0, typeof foo)", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[typeof foo]",
+        { code: "({[typeof foo]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ typeof foo]", options: [NEITHER] },
+        { code: "({[ typeof foo]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:typeof foo })",
+        { code: "({a: typeof foo })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";typeof foo",
+        { code: "; typeof foo", options: [NEITHER] },
+
+        // not conflict with `space-in-parens`
+        "(typeof foo)",
+        { code: "( typeof foo)", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =typeof foo",
+        { code: "a = typeof foo", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!typeof+foo",
+        { code: "! typeof +foo", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${typeof foo}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ typeof foo}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={typeof foo} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ typeof foo} />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // var
+        //----------------------------------------------------------------------
+
+        { code: "{} var [a] = b", parserOptions: { ecmaVersion: 6 } },
+        { code: "{}var[a] = b", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "{} var [a] = b", options: [override("var", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "{}var[a] = b", options: [override("var", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+        "for (var foo in [1, 2, 3]) {}",
+
+        // not conflict with `block-spacing`
+        "{var a = b }",
+        { code: "{ var a = b }", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";var a = b",
+        { code: "; var a = b", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // void
+        //----------------------------------------------------------------------
+
+        "{} void foo",
+        { code: "{}void foo", options: [NEITHER] },
+        { code: "{} void foo", options: [override("void", BOTH)] },
+        { code: "{}void foo", options: [override("void", NEITHER)] },
+
+        // not conflict with `array-bracket-spacing`
+        "[void foo]",
+        { code: "[ void foo]", options: [NEITHER] },
+
+        // not conflict with `arrow-spacing`
+        { code: "(() =>void foo)", parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => void foo)", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `block-spacing`
+        "{void foo }",
+        { code: "{ void foo }", options: [NEITHER] },
+
+        // not conflict with `comma-spacing`
+        "(0,void foo)",
+        { code: "(0, void foo)", options: [NEITHER] },
+
+        // not conflict with `computed-property-spacing`
+        "a[void foo]",
+        { code: "({[void foo]: 0})", parserOptions: { ecmaVersion: 6 } },
+        { code: "a[ void foo]", options: [NEITHER] },
+        { code: "({[ void foo]: 0})", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        "({a:void foo })",
+        { code: "({a: void foo })", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";void foo",
+        { code: "; void foo", options: [NEITHER] },
+
+        // not conflict with `space-in-parens`
+        "(void foo)",
+        { code: "( void foo)", options: [NEITHER] },
+
+        // not conflict with `space-infix-ops`
+        "a =void foo",
+        { code: "a = void foo", options: [NEITHER] },
+
+        // not conflict with `space-unary-ops`
+        "!void+foo",
+        { code: "! void +foo", options: [NEITHER] },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${void foo}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ void foo}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "<Foo onClick={void foo} />", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<Foo onClick={ void foo} />", options: [NEITHER], parserOptions: { ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // while
+        //----------------------------------------------------------------------
+
+        "{} while (a) {}",
+        "do {} while (a)",
+        { code: "{}while(a) {}", options: [NEITHER] },
+        { code: "do{}while(a)", options: [NEITHER] },
+        { code: "{} while (a) {}", options: [override("while", BOTH)] },
+        { code: "do{} while (a)", options: [override("while", BOTH)] },
+        { code: "{}while(a) {}", options: [override("while", NEITHER)] },
+        { code: "do {}while(a)", options: [override("while", NEITHER)] },
+        "do {}\nwhile (a)",
+        { code: "do{}\nwhile(a)", options: [NEITHER] },
+
+        // not conflict with `block-spacing`
+        "{while (a) {}}",
+        { code: "{ while(a) {}}", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";while (a);",
+        "do;while (a);",
+        { code: "; while(a) ;", options: [NEITHER] },
+        { code: "do ; while(a) ;", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // with
+        //----------------------------------------------------------------------
+
+        "{} with (obj) {}",
+        { code: "{}with(obj) {}", options: [NEITHER] },
+        { code: "{} with (obj) {}", options: [override("with", BOTH)] },
+        { code: "{}with(obj) {}", options: [override("with", NEITHER)] },
+
+        // not conflict with `block-spacing`
+        "{with (obj) {}}",
+        { code: "{ with(obj) {}}", options: [NEITHER] },
+
+        // not conflict with `semi-spacing`
+        ";with (obj) {}",
+        { code: "; with(obj) {}", options: [NEITHER] },
+
+        //----------------------------------------------------------------------
+        // yield
+        //----------------------------------------------------------------------
+
+        { code: "function* foo() { {} yield foo }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { {}yield foo }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { {} yield foo }", options: [override("yield", BOTH)], parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { {}yield foo }", options: [override("yield", NEITHER)], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `array-bracket-spacing`
+        { code: "function* foo() { [yield] }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { [ yield ] }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        /*
+         * This is invalid syntax: https://github.com/eslint/eslint/issues/5405
+         * not conflict with `arrow-spacing`
+         * {code: "function* foo() { (() =>yield foo) }", parserOptions: {ecmaVersion: 6}},
+         * {code: "function* foo() { (() => yield foo) }", options: [NEITHER], parserOptions: {ecmaVersion: 6}},
+         * not conflict with `block-spacing`
+         */
+        { code: "function* foo() {yield}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { yield }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `comma-spacing`
+        { code: "function* foo() { (0,yield foo) }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { (0, yield foo) }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `computed-property-spacing`
+        { code: "function* foo() { a[yield] }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { ({[yield]: 0}) }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { a[ yield ] }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { ({[ yield ]: 0}) }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `key-spacing`
+        { code: "function* foo() { ({a:yield foo }) }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { ({a: yield foo }) }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `semi-spacing`
+        { code: "function* foo() { ;yield; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { ; yield ; }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-in-parens`
+        { code: "function* foo() { (yield) }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { ( yield ) }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-infix-ops`
+        { code: "function* foo() { a =yield foo }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { a = yield foo }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `space-unary-ops`
+        { code: "function* foo() { yield+foo }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function* foo() { yield +foo }", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `template-curly-spacing`
+        { code: "`${yield}`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${ yield}`", options: [NEITHER], parserOptions: { ecmaVersion: 6 } },
+
+        // not conflict with `jsx-curly-spacing`
+        { code: "function* foo() { <Foo onClick={yield} /> }", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "function* foo() { <Foo onClick={ yield } /> }", options: [NEITHER], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+
+        //----------------------------------------------------------------------
+        // typescript parser
+        //----------------------------------------------------------------------
+
+        // class declaration don't error with decorator
+        { code: "@dec class Foo {}", parser: parser("typescript-parsers/decorator-with-class") },
+
+        // get, set, async methods don't error with decorator
+        { code: "class Foo { @dec get bar() {} @dec set baz() {} @dec async baw() {} }", parser: parser("typescript-parsers/decorator-with-class-methods") },
+        { code: "class Foo { @dec static qux() {} @dec static get bar() {} @dec static set baz() {} @dec static async baw() {} }", parser: parser("typescript-parsers/decorator-with-static-class-methods") },
+
+        // type keywords can be used as parameters in arrow functions
+        { code: "symbol => 4;", parser: parser("typescript-parsers/keyword-with-arrow-function") }
+    ],
+
+    invalid: [
+
+        //----------------------------------------------------------------------
+        // as
+        //----------------------------------------------------------------------
+
+        {
+            code: "import *as a from \"foo\"",
+            output: "import * as a from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBefore("as")
+        },
+        {
+            code: "import* as a from\"foo\"",
+            output: "import*as a from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBefore("as")
+        },
+        {
+            code: "import*as a from\"foo\"",
+            output: "import* as a from\"foo\"",
+            options: [override("as", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBefore("as")
+        },
+        {
+            code: "import * as a from \"foo\"",
+            output: "import *as a from \"foo\"",
+            options: [override("as", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBefore("as")
+        },
+
+        //----------------------------------------------------------------------
+        // async
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}async function foo() {}",
+            output: "{} async function foo() {}",
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("async")
+        },
+        {
+            code: "{} async function foo() {}",
+            output: "{}async function foo() {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("async")
+        },
+        {
+            code: "{}async function foo() {}",
+            output: "{} async function foo() {}",
+            options: [override("async", BOTH)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("async")
+        },
+        {
+            code: "{} async function foo() {}",
+            output: "{}async function foo() {}",
+            options: [override("async", NEITHER)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("async")
+        },
+        {
+            code: "{}async () => {}",
+            output: "{} async () => {}",
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("async")
+        },
+        {
+            code: "{} async () => {}",
+            output: "{}async () => {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("async")
+        },
+        {
+            code: "{}async () => {}",
+            output: "{} async () => {}",
+            options: [override("async", BOTH)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("async")
+        },
+        {
+            code: "{} async () => {}",
+            output: "{}async () => {}",
+            options: [override("async", NEITHER)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("async")
+        },
+        {
+            code: "({async[b]() {}})",
+            output: "({async [b]() {}})",
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedAfter("async")
+        },
+        {
+            code: "({async [b]() {}})",
+            output: "({async[b]() {}})",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedAfter("async")
+        },
+        {
+            code: "({async[b]() {}})",
+            output: "({async [b]() {}})",
+            options: [override("async", BOTH)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedAfter("async")
+        },
+        {
+            code: "({async [b]() {}})",
+            output: "({async[b]() {}})",
+            options: [override("async", NEITHER)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedAfter("async")
+        },
+        {
+            code: "class A {a(){}async[b]() {}}",
+            output: "class A {a(){} async [b]() {}}",
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBeforeAndAfter("async")
+        },
+        {
+            code: "class A {a(){} async [b]() {}}",
+            output: "class A {a(){}async[b]() {}}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBeforeAndAfter("async")
+        },
+        {
+            code: "class A {a(){}async[b]() {}}",
+            output: "class A {a(){} async [b]() {}}",
+            options: [override("async", BOTH)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBeforeAndAfter("async")
+        },
+        {
+            code: "class A {a(){} async [b]() {}}",
+            output: "class A {a(){}async[b]() {}}",
+            options: [override("async", NEITHER)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBeforeAndAfter("async")
+        },
+
+        //----------------------------------------------------------------------
+        // await
+        //----------------------------------------------------------------------
+
+        {
+            code: "async function wrap() { {}await a }",
+            output: "async function wrap() { {} await a }",
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("await")
+        },
+        {
+            code: "async function wrap() { {} await a }",
+            output: "async function wrap() { {}await a }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("await")
+        },
+        {
+            code: "async function wrap() { {}await a }",
+            output: "async function wrap() { {} await a }",
+            options: [override("await", BOTH)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: expectedBefore("await")
+        },
+        {
+            code: "async function wrap() { {} await a }",
+            output: "async function wrap() { {}await a }",
+            options: [override("await", NEITHER)],
+            parserOptions: { ecmaVersion: 8 },
+            errors: unexpectedBefore("await")
+        },
+
+        {
+            code: "async function wrap() { for await(x of xs); }",
+            output: "async function wrap() { for await (x of xs); }",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: expectedAfter("await")
+        },
+        {
+            code: "async function wrap() { for await (x of xs); }",
+            output: "async function wrap() { for await(x of xs); }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: unexpectedAfter("await")
+        },
+        {
+            code: "async function wrap() { for await(x of xs); }",
+            output: "async function wrap() { for await (x of xs); }",
+            options: [override("await", BOTH)],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: expectedAfter("await")
+        },
+        {
+            code: "async function wrap() { for await (x of xs); }",
+            output: "async function wrap() { for await(x of xs); }",
+            options: [override("await", NEITHER)],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: unexpectedAfter("await")
+        },
+
+        //----------------------------------------------------------------------
+        // break
+        //----------------------------------------------------------------------
+
+        {
+            code: "A: for (;;) { {}break A; }",
+            output: "A: for (;;) { {} break A; }",
+            errors: expectedBefore("break")
+        },
+        {
+            code: "A: for(;;) { {} break A; }",
+            output: "A: for(;;) { {}break A; }",
+            options: [NEITHER],
+            errors: unexpectedBefore("break")
+        },
+        {
+            code: "A: for(;;) { {}break A; }",
+            output: "A: for(;;) { {} break A; }",
+            options: [override("break", BOTH)],
+            errors: expectedBefore("break")
+        },
+        {
+            code: "A: for (;;) { {} break A; }",
+            output: "A: for (;;) { {}break A; }",
+            options: [override("break", NEITHER)],
+            errors: unexpectedBefore("break")
+        },
+
+        //----------------------------------------------------------------------
+        // case
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch (a) { case 0: {}case+1: }",
+            output: "switch (a) { case 0: {} case +1: }",
+            errors: expectedBeforeAndAfter("case")
+        },
+        {
+            code: "switch (a) { case 0: {}case(1): }",
+            output: "switch (a) { case 0: {} case (1): }",
+            errors: expectedBeforeAndAfter("case")
+        },
+        {
+            code: "switch(a) { case 0: {} case +1: }",
+            output: "switch(a) { case 0: {}case+1: }",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("case")
+        },
+        {
+            code: "switch(a) { case 0: {} case (1): }",
+            output: "switch(a) { case 0: {}case(1): }",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("case")
+        },
+        {
+            code: "switch(a) { case 0: {}case+1: }",
+            output: "switch(a) { case 0: {} case +1: }",
+            options: [override("case", BOTH)],
+            errors: expectedBeforeAndAfter("case")
+        },
+        {
+            code: "switch (a) { case 0: {} case +1: }",
+            output: "switch (a) { case 0: {}case+1: }",
+            options: [override("case", NEITHER)],
+            errors: unexpectedBeforeAndAfter("case")
+        },
+
+        //----------------------------------------------------------------------
+        // catch
+        //----------------------------------------------------------------------
+
+        {
+            code: "try {}catch(e) {}",
+            output: "try {} catch (e) {}",
+            errors: expectedBeforeAndAfter("catch")
+        },
+        {
+            code: "try{} catch (e) {}",
+            output: "try{}catch(e) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("catch")
+        },
+        {
+            code: "try{}catch(e) {}",
+            output: "try{} catch (e) {}",
+            options: [override("catch", BOTH)],
+            errors: expectedBeforeAndAfter("catch")
+        },
+        {
+            code: "try {} catch (e) {}",
+            output: "try {}catch(e) {}",
+            options: [override("catch", NEITHER)],
+            errors: unexpectedBeforeAndAfter("catch")
+        },
+
+        //----------------------------------------------------------------------
+        // class
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}class Bar {}",
+            output: "{} class Bar {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("class")
+        },
+        {
+            code: "(class{})",
+            output: "(class {})",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("class")
+        },
+        {
+            code: "{} class Bar {}",
+            output: "{}class Bar {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("class")
+        },
+        {
+            code: "(class {})",
+            output: "(class{})",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("class")
+        },
+        {
+            code: "{}class Bar {}",
+            output: "{} class Bar {}",
+            options: [override("class", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("class")
+        },
+        {
+            code: "{} class Bar {}",
+            output: "{}class Bar {}",
+            options: [override("class", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("class")
+        },
+
+        //----------------------------------------------------------------------
+        // const
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}const[a] = b",
+            output: "{} const [a] = b",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("const")
+        },
+        {
+            code: "{}const{a} = b",
+            output: "{} const {a} = b",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("const")
+        },
+        {
+            code: "{} const [a] = b",
+            output: "{}const[a] = b",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("const")
+        },
+        {
+            code: "{} const {a} = b",
+            output: "{}const{a} = b",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("const")
+        },
+        {
+            code: "{}const[a] = b",
+            output: "{} const [a] = b",
+            options: [override("const", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("const")
+        },
+        {
+            code: "{}const{a} = b",
+            output: "{} const {a} = b",
+            options: [override("const", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("const")
+        },
+        {
+            code: "{} const [a] = b",
+            output: "{}const[a] = b",
+            options: [override("const", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("const")
+        },
+        {
+            code: "{} const {a} = b",
+            output: "{}const{a} = b",
+            options: [override("const", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("const")
+        },
+
+        //----------------------------------------------------------------------
+        // continue
+        //----------------------------------------------------------------------
+
+        {
+            code: "A: for (;;) { {}continue A; }",
+            output: "A: for (;;) { {} continue A; }",
+            errors: expectedBefore("continue")
+        },
+        {
+            code: "A: for(;;) { {} continue A; }",
+            output: "A: for(;;) { {}continue A; }",
+            options: [NEITHER],
+            errors: unexpectedBefore("continue")
+        },
+        {
+            code: "A: for(;;) { {}continue A; }",
+            output: "A: for(;;) { {} continue A; }",
+            options: [override("continue", BOTH)],
+            errors: expectedBefore("continue")
+        },
+        {
+            code: "A: for (;;) { {} continue A; }",
+            output: "A: for (;;) { {}continue A; }",
+            options: [override("continue", NEITHER)],
+            errors: unexpectedBefore("continue")
+        },
+
+        //----------------------------------------------------------------------
+        // debugger
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}debugger",
+            output: "{} debugger",
+            errors: expectedBefore("debugger")
+        },
+        {
+            code: "{} debugger",
+            output: "{}debugger",
+            options: [NEITHER],
+            errors: unexpectedBefore("debugger")
+        },
+        {
+            code: "{}debugger",
+            output: "{} debugger",
+            options: [override("debugger", BOTH)],
+            errors: expectedBefore("debugger")
+        },
+        {
+            code: "{} debugger",
+            output: "{}debugger",
+            options: [override("debugger", NEITHER)],
+            errors: unexpectedBefore("debugger")
+        },
+
+        //----------------------------------------------------------------------
+        // default
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch (a) { case 0: {}default: }",
+            output: "switch (a) { case 0: {} default: }",
+            errors: expectedBefore("default")
+        },
+        {
+            code: "switch(a) { case 0: {} default: }",
+            output: "switch(a) { case 0: {}default: }",
+            options: [NEITHER],
+            errors: unexpectedBefore("default")
+        },
+        {
+            code: "switch(a) { case 0: {}default: }",
+            output: "switch(a) { case 0: {} default: }",
+            options: [override("default", BOTH)],
+            errors: expectedBefore("default")
+        },
+        {
+            code: "switch (a) { case 0: {} default: }",
+            output: "switch (a) { case 0: {}default: }",
+            options: [override("default", NEITHER)],
+            errors: unexpectedBefore("default")
+        },
+
+        //----------------------------------------------------------------------
+        // delete
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}delete foo.a",
+            output: "{} delete foo.a",
+            errors: expectedBefore("delete")
+        },
+        {
+            code: "{} delete foo.a",
+            output: "{}delete foo.a",
+            options: [NEITHER],
+            errors: unexpectedBefore("delete")
+        },
+        {
+            code: "{}delete foo.a",
+            output: "{} delete foo.a",
+            options: [override("delete", BOTH)],
+            errors: expectedBefore("delete")
+        },
+        {
+            code: "{} delete foo.a",
+            output: "{}delete foo.a",
+            options: [override("delete", NEITHER)],
+            errors: unexpectedBefore("delete")
+        },
+
+        //----------------------------------------------------------------------
+        // do
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}do{} while (true)",
+            output: "{} do {} while (true)",
+            errors: expectedBeforeAndAfter("do")
+        },
+        {
+            code: "{} do {}while(true)",
+            output: "{}do{}while(true)",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("do")
+        },
+        {
+            code: "{}do{}while(true)",
+            output: "{} do {}while(true)",
+            options: [override("do", BOTH)],
+            errors: expectedBeforeAndAfter("do")
+        },
+        {
+            code: "{} do {} while (true)",
+            output: "{}do{} while (true)",
+            options: [override("do", NEITHER)],
+            errors: unexpectedBeforeAndAfter("do")
+        },
+
+        //----------------------------------------------------------------------
+        // else
+        //----------------------------------------------------------------------
+
+        {
+            code: "if (a) {}else{}",
+            output: "if (a) {} else {}",
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if (a) {}else if (b) {}",
+            output: "if (a) {} else if (b) {}",
+            errors: expectedBefore("else")
+        },
+        {
+            code: "if (a) {}else(0)",
+            output: "if (a) {} else (0)",
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if (a) {}else[]",
+            output: "if (a) {} else []",
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if (a) {}else+1",
+            output: "if (a) {} else +1",
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if (a) {}else\"a\"",
+            output: "if (a) {} else \"a\"",
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a){} else {}",
+            output: "if(a){}else{}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a){} else if(b) {}",
+            output: "if(a){}else if(b) {}",
+            options: [NEITHER],
+            errors: unexpectedBefore("else")
+        },
+        {
+            code: "if(a) {} else (0)",
+            output: "if(a) {}else(0)",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a) {} else []",
+            output: "if(a) {}else[]",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a) {} else +1",
+            output: "if(a) {}else+1",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a) {} else \"a\"",
+            output: "if(a) {}else\"a\"",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+        {
+            code: "if(a) {}else{}",
+            output: "if(a) {} else {}",
+            options: [override("else", BOTH)],
+            errors: expectedBeforeAndAfter("else")
+        },
+        {
+            code: "if (a) {} else {}",
+            output: "if (a) {}else{}",
+            options: [override("else", NEITHER)],
+            errors: unexpectedBeforeAndAfter("else")
+        },
+
+        {
+            code: "if (a) {}else {}",
+            output: "if (a) {} else {}",
+            errors: expectedBefore("else")
+        },
+        {
+            code: "if (a) {} else{}",
+            output: "if (a) {} else {}",
+            errors: expectedAfter("else")
+        },
+        {
+            code: "if(a) {} else{}",
+            output: "if(a) {}else{}",
+            options: [NEITHER],
+            errors: unexpectedBefore("else")
+        },
+        {
+            code: "if(a) {}else {}",
+            output: "if(a) {}else{}",
+            options: [NEITHER],
+            errors: unexpectedAfter("else")
+        },
+
+        //----------------------------------------------------------------------
+        // export
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a = 0; {}export{a}",
+            output: "var a = 0; {} export {a}",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("export")
+        },
+        {
+            code: "var a = 0; {}export default a",
+            output: "var a = 0; {} export default a",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBefore("export")
+        },
+        {
+            code: "var a = 0; export default{a}",
+            output: "var a = 0; export default {a}",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedAfter("default")
+        },
+        {
+            code: "{}export* from \"a\"",
+            output: "{} export * from \"a\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("export")
+        },
+        {
+            code: "var a = 0; {} export {a}",
+            output: "var a = 0; {}export{a}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("export")
+        },
+        {
+            code: "var a = 0; {}export{a}",
+            output: "var a = 0; {} export {a}",
+            options: [override("export", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("export")
+        },
+        {
+            code: "var a = 0; {} export {a}",
+            output: "var a = 0; {}export{a}",
+            options: [override("export", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("export")
+        },
+
+        //----------------------------------------------------------------------
+        // extends
+        //----------------------------------------------------------------------
+
+        {
+            code: "class Bar extends[] {}",
+            output: "class Bar extends [] {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("extends")
+        },
+        {
+            code: "(class extends[] {})",
+            output: "(class extends [] {})",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("extends")
+        },
+        {
+            code: "class Bar extends [] {}",
+            output: "class Bar extends[] {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("extends")
+        },
+        {
+            code: "(class extends [] {})",
+            output: "(class extends[] {})",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("extends")
+        },
+        {
+            code: "class Bar extends[] {}",
+            output: "class Bar extends [] {}",
+            options: [override("extends", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("extends")
+        },
+        {
+            code: "class Bar extends [] {}",
+            output: "class Bar extends[] {}",
+            options: [override("extends", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("extends")
+        },
+        {
+            code: "class Bar extends`}` {}",
+            output: "class Bar extends `}` {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("extends")
+        },
+
+        //----------------------------------------------------------------------
+        // finally
+        //----------------------------------------------------------------------
+
+        {
+            code: "try {}finally{}",
+            output: "try {} finally {}",
+            errors: expectedBeforeAndAfter("finally")
+        },
+        {
+            code: "try{} finally {}",
+            output: "try{}finally{}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("finally")
+        },
+        {
+            code: "try{}finally{}",
+            output: "try{} finally {}",
+            options: [override("finally", BOTH)],
+            errors: expectedBeforeAndAfter("finally")
+        },
+        {
+            code: "try {} finally {}",
+            output: "try {}finally{}",
+            options: [override("finally", NEITHER)],
+            errors: unexpectedBeforeAndAfter("finally")
+        },
+
+        //----------------------------------------------------------------------
+        // for
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}for(;;) {}",
+            output: "{} for (;;) {}",
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{}for(var foo in obj) {}",
+            output: "{} for (var foo in obj) {}",
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{}for(var foo of list) {}",
+            output: "{} for (var foo of list) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (;;) {}",
+            output: "{}for(;;) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (var foo in obj) {}",
+            output: "{}for(var foo in obj) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (var foo of list) {}",
+            output: "{}for(var foo of list) {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("for")
+        },
+        {
+            code: "{}for(;;) {}",
+            output: "{} for (;;) {}",
+            options: [override("for", BOTH)],
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{}for(var foo in obj) {}",
+            output: "{} for (var foo in obj) {}",
+            options: [override("for", BOTH)],
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{}for(var foo of list) {}",
+            output: "{} for (var foo of list) {}",
+            options: [override("for", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (;;) {}",
+            output: "{}for(;;) {}",
+            options: [override("for", NEITHER)],
+            errors: unexpectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (var foo in obj) {}",
+            output: "{}for(var foo in obj) {}",
+            options: [override("for", NEITHER)],
+            errors: unexpectedBeforeAndAfter("for")
+        },
+        {
+            code: "{} for (var foo of list) {}",
+            output: "{}for(var foo of list) {}",
+            options: [override("for", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("for")
+        },
+
+        //----------------------------------------------------------------------
+        // from
+        //----------------------------------------------------------------------
+
+        {
+            code: "import {foo}from\"foo\"",
+            output: "import {foo} from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "export {foo}from\"foo\"",
+            output: "export {foo} from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "export *from\"foo\"",
+            output: "export * from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "import{foo} from \"foo\"",
+            output: "import{foo}from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+        {
+            code: "export{foo} from \"foo\"",
+            output: "export{foo}from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+        {
+            code: "export* from \"foo\"",
+            output: "export*from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+        {
+            code: "import{foo}from\"foo\"",
+            output: "import{foo} from \"foo\"",
+            options: [override("from", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "export{foo}from\"foo\"",
+            output: "export{foo} from \"foo\"",
+            options: [override("from", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "export*from\"foo\"",
+            output: "export* from \"foo\"",
+            options: [override("from", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("from")
+        },
+        {
+            code: "import {foo} from \"foo\"",
+            output: "import {foo}from\"foo\"",
+            options: [override("from", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+        {
+            code: "export {foo} from \"foo\"",
+            output: "export {foo}from\"foo\"",
+            options: [override("from", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+        {
+            code: "export * from \"foo\"",
+            output: "export *from\"foo\"",
+            options: [override("from", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("from")
+        },
+
+        //----------------------------------------------------------------------
+        // function
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}function foo() {}",
+            output: "{} function foo() {}",
+            errors: expectedBefore("function")
+        },
+        {
+            code: "{} function foo() {}",
+            output: "{}function foo() {}",
+            options: [NEITHER],
+            errors: unexpectedBefore("function")
+        },
+        {
+            code: "{}function foo() {}",
+            output: "{} function foo() {}",
+            options: [override("function", BOTH)],
+            errors: expectedBefore("function")
+        },
+        {
+            code: "{} function foo() {}",
+            output: "{}function foo() {}",
+            options: [override("function", NEITHER)],
+            errors: unexpectedBefore("function")
+        },
+
+        //----------------------------------------------------------------------
+        // get
+        //----------------------------------------------------------------------
+
+        {
+            code: "({ get[b]() {} })",
+            output: "({ get [b]() {} })",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("get")
+        },
+        {
+            code: "class A { a() {}get[b]() {} }",
+            output: "class A { a() {} get [b]() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("get")
+        },
+        {
+            code: "class A { a() {} static get[b]() {} }",
+            output: "class A { a() {} static get [b]() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("get")
+        },
+        {
+            code: "({ get [b]() {} })",
+            output: "({ get[b]() {} })",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("get")
+        },
+        {
+            code: "class A { a() {} get [b]() {} }",
+            output: "class A { a() {}get[b]() {} }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("get")
+        },
+        {
+            code: "class A { a() {}static get [b]() {} }",
+            output: "class A { a() {}static get[b]() {} }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("get")
+        },
+        {
+            code: "({ get[b]() {} })",
+            output: "({ get [b]() {} })",
+            options: [override("get", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("get")
+        },
+        {
+            code: "class A { a() {}get[b]() {} }",
+            output: "class A { a() {} get [b]() {} }",
+            options: [override("get", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("get")
+        },
+        {
+            code: "({ get [b]() {} })",
+            output: "({ get[b]() {} })",
+            options: [override("get", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("get")
+        },
+        {
+            code: "class A { a() {} get [b]() {} }",
+            output: "class A { a() {}get[b]() {} }",
+            options: [override("get", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("get")
+        },
+
+        //----------------------------------------------------------------------
+        // if
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}if(a) {}",
+            output: "{} if (a) {}",
+            errors: expectedBeforeAndAfter("if")
+        },
+        {
+            code: "if (a) {} else if(b) {}",
+            output: "if (a) {} else if (b) {}",
+            errors: expectedAfter("if")
+        },
+        {
+            code: "{} if (a) {}",
+            output: "{}if(a) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("if")
+        },
+        {
+            code: "if(a) {}else if (b) {}",
+            output: "if(a) {}else if(b) {}",
+            options: [NEITHER],
+            errors: unexpectedAfter("if")
+        },
+        {
+            code: "{}if(a) {}",
+            output: "{} if (a) {}",
+            options: [override("if", BOTH)],
+            errors: expectedBeforeAndAfter("if")
+        },
+        {
+            code: "if (a) {}else if(b) {}",
+            output: "if (a) {}else if (b) {}",
+            options: [override("if", BOTH)],
+            errors: expectedAfter("if")
+        },
+        {
+            code: "{} if (a) {}",
+            output: "{}if(a) {}",
+            options: [override("if", NEITHER)],
+            errors: unexpectedBeforeAndAfter("if")
+        },
+        {
+            code: "if(a) {} else if (b) {}",
+            output: "if(a) {} else if(b) {}",
+            options: [override("if", NEITHER)],
+            errors: unexpectedAfter("if")
+        },
+
+        //----------------------------------------------------------------------
+        // import
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}import{a} from \"foo\"",
+            output: "{} import {a} from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("import")
+        },
+        {
+            code: "{}import a from \"foo\"",
+            output: "{} import a from \"foo\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBefore("import")
+        },
+        {
+            code: "{}import* as a from \"a\"",
+            output: "{} import * as a from \"a\"",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("import")
+        },
+        {
+            code: "{} import {a}from\"foo\"",
+            output: "{}import{a}from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("import")
+        },
+        {
+            code: "{} import *as a from\"foo\"",
+            output: "{}import*as a from\"foo\"",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("import")
+        },
+        {
+            code: "{}import{a}from\"foo\"",
+            output: "{} import {a}from\"foo\"",
+            options: [override("import", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("import")
+        },
+        {
+            code: "{}import*as a from\"foo\"",
+            output: "{} import *as a from\"foo\"",
+            options: [override("import", BOTH)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: expectedBeforeAndAfter("import")
+        },
+        {
+            code: "{} import {a} from \"foo\"",
+            output: "{}import{a} from \"foo\"",
+            options: [override("import", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("import")
+        },
+        {
+            code: "{} import * as a from \"foo\"",
+            output: "{}import* as a from \"foo\"",
+            options: [override("import", NEITHER)],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: unexpectedBeforeAndAfter("import")
+        },
+
+        //----------------------------------------------------------------------
+        // in
+        //----------------------------------------------------------------------
+
+        {
+            code: "for ([foo]in{foo: 0}) {}",
+            output: "for ([foo] in {foo: 0}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("in")
+        },
+        {
+            code: "for([foo] in {foo: 0}) {}",
+            output: "for([foo]in{foo: 0}) {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("in")
+        },
+        {
+            code: "for([foo]in{foo: 0}) {}",
+            output: "for([foo] in {foo: 0}) {}",
+            options: [override("in", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("in")
+        },
+        {
+            code: "for ([foo] in {foo: 0}) {}",
+            output: "for ([foo]in{foo: 0}) {}",
+            options: [override("in", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("in")
+        },
+
+        //----------------------------------------------------------------------
+        // instanceof
+        //----------------------------------------------------------------------
+
+        // ignores
+
+        //----------------------------------------------------------------------
+        // let
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}let[a] = b",
+            output: "{} let [a] = b",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("let")
+        },
+        {
+            code: "{} let [a] = b",
+            output: "{}let[a] = b",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("let")
+        },
+        {
+            code: "{}let[a] = b",
+            output: "{} let [a] = b",
+            options: [override("let", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("let")
+        },
+        {
+            code: "{} let [a] = b",
+            output: "{}let[a] = b",
+            options: [override("let", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("let")
+        },
+
+        //----------------------------------------------------------------------
+        // new
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}new foo()",
+            output: "{} new foo()",
+            errors: expectedBefore("new")
+        },
+        {
+            code: "{} new foo()",
+            output: "{}new foo()",
+            options: [NEITHER],
+            errors: unexpectedBefore("new")
+        },
+        {
+            code: "{}new foo()",
+            output: "{} new foo()",
+            options: [override("new", BOTH)],
+            errors: expectedBefore("new")
+        },
+        {
+            code: "{} new foo()",
+            output: "{}new foo()",
+            options: [override("new", NEITHER)],
+            errors: unexpectedBefore("new")
+        },
+
+        //----------------------------------------------------------------------
+        // of
+        //----------------------------------------------------------------------
+
+        {
+            code: "for ([foo]of{foo: 0}) {}",
+            output: "for ([foo] of {foo: 0}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("of")
+        },
+        {
+            code: "for([foo] of {foo: 0}) {}",
+            output: "for([foo]of{foo: 0}) {}",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("of")
+        },
+        {
+            code: "for([foo]of{foo: 0}) {}",
+            output: "for([foo] of {foo: 0}) {}",
+            options: [override("of", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("of")
+        },
+        {
+            code: "for ([foo] of {foo: 0}) {}",
+            output: "for ([foo]of{foo: 0}) {}",
+            options: [override("of", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("of")
+        },
+
+        //----------------------------------------------------------------------
+        // return
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo() { {}return+a }",
+            output: "function foo() { {} return +a }",
+            errors: expectedBeforeAndAfter("return")
+        },
+        {
+            code: "function foo() { {} return +a }",
+            output: "function foo() { {}return+a }",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("return")
+        },
+        {
+            code: "function foo() { {}return+a }",
+            output: "function foo() { {} return +a }",
+            options: [override("return", BOTH)],
+            errors: expectedBeforeAndAfter("return")
+        },
+        {
+            code: "function foo() { {} return +a }",
+            output: "function foo() { {}return+a }",
+            options: [override("return", NEITHER)],
+            errors: unexpectedBeforeAndAfter("return")
+        },
+
+        //----------------------------------------------------------------------
+        // set
+        //----------------------------------------------------------------------
+
+        {
+            code: "({ set[b](value) {} })",
+            output: "({ set [b](value) {} })",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("set")
+        },
+        {
+            code: "class A { a() {}set[b](value) {} }",
+            output: "class A { a() {} set [b](value) {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("set")
+        },
+        {
+            code: "class A { a() {} static set[b](value) {} }",
+            output: "class A { a() {} static set [b](value) {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("set")
+        },
+        {
+            code: "({ set [b](value) {} })",
+            output: "({ set[b](value) {} })",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("set")
+        },
+        {
+            code: "class A { a() {} set [b](value) {} }",
+            output: "class A { a() {}set[b](value) {} }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("set")
+        },
+        {
+            code: "({ set[b](value) {} })",
+            output: "({ set [b](value) {} })",
+            options: [override("set", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedAfter("set")
+        },
+        {
+            code: "class A { a() {}set[b](value) {} }",
+            output: "class A { a() {} set [b](value) {} }",
+            options: [override("set", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("set")
+        },
+        {
+            code: "({ set [b](value) {} })",
+            output: "({ set[b](value) {} })",
+            options: [override("set", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedAfter("set")
+        },
+        {
+            code: "class A { a() {} set [b](value) {} }",
+            output: "class A { a() {}set[b](value) {} }",
+            options: [override("set", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("set")
+        },
+
+        //----------------------------------------------------------------------
+        // static
+        //----------------------------------------------------------------------
+
+        {
+            code: "class A { a() {}static[b]() {} }",
+            output: "class A { a() {} static [b]() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("static")
+        },
+        {
+            code: "class A { a() {}static get [b]() {} }",
+            output: "class A { a() {} static get [b]() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("static")
+        },
+        {
+            code: "class A { a() {} static [b]() {} }",
+            output: "class A { a() {}static[b]() {} }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("static")
+        },
+        {
+            code: "class A { a() {} static get[b]() {} }",
+            output: "class A { a() {}static get[b]() {} }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("static")
+        },
+        {
+            code: "class A { a() {}static[b]() {} }",
+            output: "class A { a() {} static [b]() {} }",
+            options: [override("static", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("static")
+        },
+        {
+            code: "class A { a() {} static [b]() {} }",
+            output: "class A { a() {}static[b]() {} }",
+            options: [override("static", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("static")
+        },
+
+        //----------------------------------------------------------------------
+        // super
+        //----------------------------------------------------------------------
+
+        {
+            code: "class A { a() { {}super[b]; } }",
+            output: "class A { a() { {} super[b]; } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("super")
+        },
+        {
+            code: "class A { a() { {} super[b]; } }",
+            output: "class A { a() { {}super[b]; } }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("super")
+        },
+        {
+            code: "class A { a() { {}super[b]; } }",
+            output: "class A { a() { {} super[b]; } }",
+            options: [override("super", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("super")
+        },
+        {
+            code: "class A { a() { {} super[b]; } }",
+            output: "class A { a() { {}super[b]; } }",
+            options: [override("super", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("super")
+        },
+
+        //----------------------------------------------------------------------
+        // switch
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}switch(a) {}",
+            output: "{} switch (a) {}",
+            errors: expectedBeforeAndAfter("switch")
+        },
+        {
+            code: "{} switch (a) {}",
+            output: "{}switch(a) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("switch")
+        },
+        {
+            code: "{}switch(a) {}",
+            output: "{} switch (a) {}",
+            options: [override("switch", BOTH)],
+            errors: expectedBeforeAndAfter("switch")
+        },
+        {
+            code: "{} switch (a) {}",
+            output: "{}switch(a) {}",
+            options: [override("switch", NEITHER)],
+            errors: unexpectedBeforeAndAfter("switch")
+        },
+
+        //----------------------------------------------------------------------
+        // this
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}this[a]",
+            output: "{} this[a]",
+            errors: expectedBefore("this")
+        },
+        {
+            code: "{} this[a]",
+            output: "{}this[a]",
+            options: [NEITHER],
+            errors: unexpectedBefore("this")
+        },
+        {
+            code: "{}this[a]",
+            output: "{} this[a]",
+            options: [override("this", BOTH)],
+            errors: expectedBefore("this")
+        },
+        {
+            code: "{} this[a]",
+            output: "{}this[a]",
+            options: [override("this", NEITHER)],
+            errors: unexpectedBefore("this")
+        },
+
+        //----------------------------------------------------------------------
+        // throw
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo() { {}throw+a }",
+            output: "function foo() { {} throw +a }",
+            errors: expectedBeforeAndAfter("throw")
+        },
+        {
+            code: "function foo() { {} throw +a }",
+            output: "function foo() { {}throw+a }",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("throw")
+        },
+        {
+            code: "function foo() { {}throw+a }",
+            output: "function foo() { {} throw +a }",
+            options: [override("throw", BOTH)],
+            errors: expectedBeforeAndAfter("throw")
+        },
+        {
+            code: "function foo() { {} throw +a }",
+            output: "function foo() { {}throw+a }",
+            options: [override("throw", NEITHER)],
+            errors: unexpectedBeforeAndAfter("throw")
+        },
+
+        //----------------------------------------------------------------------
+        // try
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}try{} finally {}",
+            output: "{} try {} finally {}",
+            errors: expectedBeforeAndAfter("try")
+        },
+        {
+            code: "{} try {}finally{}",
+            output: "{}try{}finally{}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("try")
+        },
+        {
+            code: "{}try{}finally{}",
+            output: "{} try {}finally{}",
+            options: [override("try", BOTH)],
+            errors: expectedBeforeAndAfter("try")
+        },
+        {
+            code: "{} try {} finally {}",
+            output: "{}try{} finally {}",
+            options: [override("try", NEITHER)],
+            errors: unexpectedBeforeAndAfter("try")
+        },
+
+        //----------------------------------------------------------------------
+        // typeof
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}typeof foo",
+            output: "{} typeof foo",
+            errors: expectedBefore("typeof")
+        },
+        {
+            code: "{} typeof foo",
+            output: "{}typeof foo",
+            options: [NEITHER],
+            errors: unexpectedBefore("typeof")
+        },
+        {
+            code: "{}typeof foo",
+            output: "{} typeof foo",
+            options: [override("typeof", BOTH)],
+            errors: expectedBefore("typeof")
+        },
+        {
+            code: "{} typeof foo",
+            output: "{}typeof foo",
+            options: [override("typeof", NEITHER)],
+            errors: unexpectedBefore("typeof")
+        },
+
+        //----------------------------------------------------------------------
+        // var
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}var[a] = b",
+            output: "{} var [a] = b",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("var")
+        },
+        {
+            code: "{} var [a] = b",
+            output: "{}var[a] = b",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("var")
+        },
+        {
+            code: "{}var[a] = b",
+            output: "{} var [a] = b",
+            options: [override("var", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBeforeAndAfter("var")
+        },
+        {
+            code: "{} var [a] = b",
+            output: "{}var[a] = b",
+            options: [override("var", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBeforeAndAfter("var")
+        },
+
+        //----------------------------------------------------------------------
+        // void
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}void foo",
+            output: "{} void foo",
+            errors: expectedBefore("void")
+        },
+        {
+            code: "{} void foo",
+            output: "{}void foo",
+            options: [NEITHER],
+            errors: unexpectedBefore("void")
+        },
+        {
+            code: "{}void foo",
+            output: "{} void foo",
+            options: [override("void", BOTH)],
+            errors: expectedBefore("void")
+        },
+        {
+            code: "{} void foo",
+            output: "{}void foo",
+            options: [override("void", NEITHER)],
+            errors: unexpectedBefore("void")
+        },
+
+        //----------------------------------------------------------------------
+        // while
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}while(a) {}",
+            output: "{} while (a) {}",
+            errors: expectedBeforeAndAfter("while")
+        },
+        {
+            code: "do {}while(a)",
+            output: "do {} while (a)",
+            errors: expectedBeforeAndAfter("while")
+        },
+        {
+            code: "{} while (a) {}",
+            output: "{}while(a) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("while")
+        },
+        {
+            code: "do{} while (a)",
+            output: "do{}while(a)",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("while")
+        },
+        {
+            code: "{}while(a) {}",
+            output: "{} while (a) {}",
+            options: [override("while", BOTH)],
+            errors: expectedBeforeAndAfter("while")
+        },
+        {
+            code: "do{}while(a)",
+            output: "do{} while (a)",
+            options: [override("while", BOTH)],
+            errors: expectedBeforeAndAfter("while")
+        },
+        {
+            code: "{} while (a) {}",
+            output: "{}while(a) {}",
+            options: [override("while", NEITHER)],
+            errors: unexpectedBeforeAndAfter("while")
+        },
+        {
+            code: "do {} while (a)",
+            output: "do {}while(a)",
+            options: [override("while", NEITHER)],
+            errors: unexpectedBeforeAndAfter("while")
+        },
+
+        //----------------------------------------------------------------------
+        // with
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}with(obj) {}",
+            output: "{} with (obj) {}",
+            errors: expectedBeforeAndAfter("with")
+        },
+        {
+            code: "{} with (obj) {}",
+            output: "{}with(obj) {}",
+            options: [NEITHER],
+            errors: unexpectedBeforeAndAfter("with")
+        },
+        {
+            code: "{}with(obj) {}",
+            output: "{} with (obj) {}",
+            options: [override("with", BOTH)],
+            errors: expectedBeforeAndAfter("with")
+        },
+        {
+            code: "{} with (obj) {}",
+            output: "{}with(obj) {}",
+            options: [override("with", NEITHER)],
+            errors: unexpectedBeforeAndAfter("with")
+        },
+
+        //----------------------------------------------------------------------
+        // yield
+        //----------------------------------------------------------------------
+
+        {
+            code: "function* foo() { {}yield foo }",
+            output: "function* foo() { {} yield foo }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("yield")
+        },
+        {
+            code: "function* foo() { {} yield foo }",
+            output: "function* foo() { {}yield foo }",
+            options: [NEITHER],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("yield")
+        },
+        {
+            code: "function* foo() { {}yield foo }",
+            output: "function* foo() { {} yield foo }",
+            options: [override("yield", BOTH)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: expectedBefore("yield")
+        },
+        {
+            code: "function* foo() { {} yield foo }",
+            output: "function* foo() { {}yield foo }",
+            options: [override("yield", NEITHER)],
+            parserOptions: { ecmaVersion: 6 },
+            errors: unexpectedBefore("yield")
+        },
+
+        //----------------------------------------------------------------------
+        // typescript parser
+        //----------------------------------------------------------------------
+
+        // get, set, async decorator keywords shouldn't be detected
+        {
+            code: "class Foo { @desc({set a(value) {}, get a() {}, async c() {}}) async[foo]() {} }",
+            output: "class Foo { @desc({set a(value) {}, get a() {}, async c() {}}) async [foo]() {} }",
+            parser: parser("typescript-parsers/decorator-with-keywords-class-method"),
+            errors: expectedAfter("async")
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/line-comment-position.js b/eslint/tests/lib/rules/line-comment-position.js
new file mode 100644
index 0000000..02fb720
--- /dev/null
+++ b/eslint/tests/lib/rules/line-comment-position.js
@@ -0,0 +1,179 @@
+/**
+ * @fileoverview enforce position of line comments
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/line-comment-position"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("line-comment-position", rule, {
+
+    valid: [
+        "// valid comment\n1 + 1;",
+        "/* block comments are skipped */\n1 + 1;",
+        "1 + 1; /* block comments are skipped */",
+        "1 + 1; /* eslint eqeqeq: 'error' */",
+        "1 + 1; /* eslint-disable */",
+        "1 + 1; /* eslint-enable */",
+        "1 + 1; // eslint-disable-line",
+        "// eslint-disable-next-line\n1 + 1;",
+        "1 + 1; // global MY_GLOBAL, ANOTHER",
+        "1 + 1; // globals MY_GLOBAL: true",
+        "1 + 1; // exported MY_GLOBAL, ANOTHER",
+        "1 + 1; // fallthrough",
+        "1 + 1; // fall through",
+        "1 + 1; // falls through",
+        "1 + 1; // jslint vars: true",
+        "1 + 1; // jshint ignore:line",
+        "1 + 1; // istanbul ignore next",
+        {
+            code: "1 + 1; // linter excepted comment",
+            options: [{ position: "above", ignorePattern: "linter" }]
+        },
+        {
+            code: "// Meep\nconsole.log('Meep');",
+            options: ["above"]
+        },
+        {
+            code: "1 + 1; // valid comment",
+            options: ["beside"]
+        },
+        {
+            code: "// jscs: disable\n1 + 1;",
+            options: ["beside"]
+        },
+        {
+            code: "// jscs: enable\n1 + 1;",
+            options: ["beside"]
+        },
+        {
+            code: "/* block comments are skipped */\n1 + 1;",
+            options: ["beside"]
+        },
+        {
+            code: "/*block comment*/\n/*block comment*/\n1 + 1;",
+            options: ["beside"]
+        },
+        {
+            code: "1 + 1; /* block comment are skipped */",
+            options: ["beside"]
+        },
+        {
+            code: "1 + 1; // jshint strict: true",
+            options: ["beside"]
+        },
+        {
+            code: "// pragma valid comment\n1 + 1;",
+            options: [{ position: "beside", ignorePattern: "pragma|linter" }]
+        },
+        {
+            code: "// above\n1 + 1; // ignored",
+            options: [{ ignorePattern: "ignored" }]
+        },
+        {
+            code: "foo; // eslint-disable-line no-alert",
+            options: [{ position: "above" }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "1 + 1; // invalid comment",
+            errors: [{
+                messageId: "above",
+                type: "Line",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "1 + 1; // globalization is a word",
+            errors: [{
+                messageId: "above",
+                type: "Line",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "// jscs: disable\n1 + 1;",
+            options: [{ position: "beside", applyDefaultIgnorePatterns: false }],
+            errors: [{
+                messageId: "beside",
+                type: "Line",
+                line: 1,
+                column: 1
+            }]
+        },
+        { // deprecated option still works
+            code: "// jscs: disable\n1 + 1;",
+            options: [{ position: "beside", applyDefaultPatterns: false }],
+            errors: [{
+                messageId: "beside",
+                type: "Line",
+                line: 1,
+                column: 1
+            }]
+        },
+        { // new option name takes precedence
+            code: "// jscs: disable\n1 + 1;",
+            options: [{ position: "beside", applyDefaultIgnorePatterns: false, applyDefaultPatterns: true }],
+            errors: [{
+                messageId: "beside",
+                type: "Line",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "1 + 1; // mentioning falls through",
+            errors: [{
+                messageId: "above",
+                type: "Line",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "// invalid comment\n1 + 1;",
+            options: ["beside"],
+            errors: [{
+                messageId: "beside",
+                type: "Line",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "// pragma\n// invalid\n1 + 1;",
+            options: [{ position: "beside", ignorePattern: "pragma" }],
+            errors: [{
+                messageId: "beside",
+                type: "Line",
+                line: 2,
+                column: 1
+            }]
+        },
+        {
+            code: "1 + 1; // linter\n2 + 2; // invalid comment",
+            options: [{ position: "above", ignorePattern: "linter" }],
+            errors: [{
+                messageId: "above",
+                type: "Line",
+                line: 2,
+                column: 8
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/linebreak-style.js b/eslint/tests/lib/rules/linebreak-style.js
new file mode 100644
index 0000000..7603288
--- /dev/null
+++ b/eslint/tests/lib/rules/linebreak-style.js
@@ -0,0 +1,107 @@
+/**
+ * @fileoverview No mixed linebreaks
+ * @author Erik Mueller
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/linebreak-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("linebreak-style", rule, {
+
+    valid: [
+        "var a = 'a',\n b = 'b';\n\n function foo(params) {\n /* do stuff */ \n }\n",
+        {
+            code: "var a = 'a',\n b = 'b';\n\n function foo(params) {\n /* do stuff */ \n }\n",
+            options: ["unix"]
+        },
+        {
+            code: "var a = 'a',\r\n b = 'b';\r\n\r\n function foo(params) {\r\n /* do stuff */ \r\n }\r\n",
+            options: ["windows"]
+        },
+        {
+            code: "var b = 'b';",
+            options: ["unix"]
+        },
+        {
+            code: "var b = 'b';",
+            options: ["windows"]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var a = 'a';\r\n",
+            output: "var a = 'a';\n",
+            errors: [{
+                line: 1,
+                column: 13,
+                messageId: "expectedLF"
+            }]
+        },
+        {
+            code: "var a = 'a';\r\n",
+            output: "var a = 'a';\n",
+            options: ["unix"],
+            errors: [{
+                line: 1,
+                column: 13,
+                messageId: "expectedLF"
+            }]
+        },
+        {
+            code: "var a = 'a';\n",
+            output: "var a = 'a';\r\n",
+            options: ["windows"],
+            errors: [{
+                line: 1,
+                column: 13,
+                messageId: "expectedCRLF"
+            }]
+        },
+        {
+            code: "var a = 'a',\n b = 'b';\n\n function foo(params) {\r\n /* do stuff */ \n }\r\n",
+            output: "var a = 'a',\n b = 'b';\n\n function foo(params) {\n /* do stuff */ \n }\n",
+            errors: [{
+                line: 4,
+                column: 24,
+                messageId: "expectedLF"
+            },
+            {
+                line: 6,
+                column: 3,
+                messageId: "expectedLF"
+            }]
+        },
+        {
+            code: "var a = 'a',\r\n b = 'b';\r\n\n function foo(params) {\r\n\n /* do stuff */ \n }\r\n",
+            output: "var a = 'a',\r\n b = 'b';\r\n\r\n function foo(params) {\r\n\r\n /* do stuff */ \r\n }\r\n",
+            options: ["windows"],
+            errors: [{
+                line: 3,
+                column: 1,
+                messageId: "expectedCRLF"
+            },
+            {
+                line: 5,
+                column: 1,
+                messageId: "expectedCRLF"
+            },
+            {
+                line: 6,
+                column: 17,
+                messageId: "expectedCRLF"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/lines-around-comment.js b/eslint/tests/lib/rules/lines-around-comment.js
new file mode 100644
index 0000000..a4fd3dd
--- /dev/null
+++ b/eslint/tests/lib/rules/lines-around-comment.js
@@ -0,0 +1,1623 @@
+/**
+ * @fileoverview Test enforcement of lines around comments.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/lines-around-comment"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("lines-around-comment", rule, {
+
+    valid: [
+
+        // default rules
+        "bar()\n\n/** block block block\n * block \n */\n\nvar a = 1;",
+        "bar()\n\n/** block block block\n * block \n */\nvar a = 1;",
+        "bar()\n// line line line \nvar a = 1;",
+        "bar()\n\n// line line line\nvar a = 1;",
+        "bar()\n// line line line\n\nvar a = 1;",
+
+        // line comments
+        {
+            code: "bar()\n// line line line\n\nvar a = 1;",
+            options: [{ afterLineComment: true }]
+        },
+        {
+            code: "foo()\n\n// line line line\nvar a = 1;",
+            options: [{ beforeLineComment: true }]
+        },
+        {
+            code: "foo()\n\n// line line line\n\nvar a = 1;",
+            options: [{ beforeLineComment: true, afterLineComment: true }]
+        },
+        {
+            code: "foo()\n\n// line line line\n// line line\n\nvar a = 1;",
+            options: [{ beforeLineComment: true, afterLineComment: true }]
+        },
+        {
+            code: "// line line line\n// line line",
+            options: [{ beforeLineComment: true, afterLineComment: true }]
+        },
+
+        // block comments
+        {
+            code: "bar()\n\n/** A Block comment with a an empty line after\n *\n */\nvar a = 1;",
+            options: [{ afterBlockComment: false, beforeBlockComment: true }]
+        },
+        {
+            code: "bar()\n\n/** block block block\n * block \n */\nvar a = 1;",
+            options: [{ afterBlockComment: false }]
+        },
+        {
+            code: "/** \nblock \nblock block\n */\n/* block \n block \n */",
+            options: [{ afterBlockComment: true, beforeBlockComment: true }]
+        },
+        {
+            code: "bar()\n\n/** block block block\n * block \n */\n\nvar a = 1;",
+            options: [{ afterBlockComment: true, beforeBlockComment: true }]
+        },
+
+        // inline comments (should not ever warn)
+        {
+            code: "foo() // An inline comment with a an empty line after\nvar a = 1;",
+            options: [{ afterLineComment: true, beforeLineComment: true }]
+        },
+        {
+            code: "foo();\nbar() /* An inline block comment with a an empty line after\n *\n */\nvar a = 1;",
+            options: [{ beforeBlockComment: true }]
+        },
+
+        // mixed comment (some block & some line)
+        {
+            code: "bar()\n\n/** block block block\n * block \n */\n//line line line\nvar a = 1;",
+            options: [{ afterBlockComment: true }]
+        },
+        {
+            code: "bar()\n\n/** block block block\n * block \n */\n//line line line\nvar a = 1;",
+            options: [{ beforeLineComment: true }]
+        },
+
+        // check for block start comments
+        {
+            code: "var a,\n\n// line\nb;",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "function foo(){   \n// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "function foo(){// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "var foo = function(){\n// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "var foo = function(){\n// line at block start\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){\n// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){\n\n// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){\n// line at block start\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){ bar(); } else {\n// line at block start\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\n\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "function foo(){   \n/* block comment at block start */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "function foo(){/* block comment at block start */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "var foo = function(){\n/* block comment at block start */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){\n/* block comment at block start */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "if(true){\n\n/* block comment at block start */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "while(true){\n\n/* \nblock comment at block start\n */\nvar g = 1;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "class A {\n/**\n* hi\n */\nconstructor() {}\n}",
+            options: [{
+                allowBlockStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A {\n/**\n* hi\n */\nconstructor() {}\n}",
+            options: [{
+                allowClassStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A {\n/**\n* hi\n */\nconstructor() {}\n}",
+            options: [{
+                allowBlockStart: false,
+                allowClassStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\n/* block comment at switch case start */\nbreak;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\n\n/* block comment at switch case start */\nbreak;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n/* block comment at switch case start */\nbreak;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n\n/* block comment at switch case start */\nbreak;\n}",
+            options: [{
+                allowBlockStart: true
+            }]
+        },
+
+        // check for block end comments
+        {
+            code: "var a,\n// line\n\nb;",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "function foo(){\nvar g = 91;\n// line at block end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "function foo(){\nvar g = 61;\n\n\n// line at block end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "var foo = function(){\nvar g = 1;\n\n\n// line at block end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "if(true){\nvar g = 1;\n// line at block end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "if(true){\nvar g = 1;\n\n// line at block end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n// line at switch case end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n// line at switch case end\n\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n// line at switch case end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n// line at switch case end\n\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockStart: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            options: [{
+                afterLineComment: true,
+                beforeLineComment: true,
+                allowBlockStart: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }]
+        },
+        {
+            code: "function foo(){   \nvar g = 1;\n/* block comment at block end */\n}",
+            options: [{
+                beforeBlockComment: false,
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "function foo(){\nvar g = 1;\n/* block comment at block end */}",
+            options: [{
+                beforeBlockComment: false,
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "var foo = function(){\nvar g = 1;\n/* block comment at block end */\n}",
+            options: [{
+                beforeBlockComment: false,
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "if(true){\nvar g = 1;\n/* block comment at block end */\n}",
+            options: [{
+                beforeBlockComment: false,
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "if(true){\nvar g = 1;\n\n/* block comment at block end */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "while(true){\n\nvar g = 1;\n\n/* \nblock comment at block end\n */}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "class B {\nconstructor() {}\n\n/**\n* hi\n */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class B {\nconstructor() {}\n\n/**\n* hi\n */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowClassEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class B {\nconstructor() {}\n\n/**\n* hi\n */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: false,
+                allowClassEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n/* block comment at switch case end */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n/* block comment at switch case end */\n\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n/* block comment at switch case end */\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n/* block comment at switch case end */\n\n}",
+            options: [{
+                afterBlockComment: true,
+                allowBlockEnd: true
+            }]
+        },
+
+        // check for object start comments
+        {
+            code:
+            "var a,\n\n" +
+            "// line\n" +
+            "b;",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  // line at object start\n" +
+            "  g: 1\n" +
+            "};",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    // hi\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  /* block comment at object start*/\n" +
+            "  g: 1\n" +
+            "};",
+            options: [{
+                beforeBlockComment: true,
+                allowObjectStart: true
+            }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  // line at object start\n" +
+            "  g: a\n" +
+            "} = {};",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  // line at object start\n" +
+            "  g\n" +
+            "} = {};",
+            options: [{
+                beforeLineComment: true,
+                allowObjectStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g: a\n" +
+            "} = {};",
+            options: [{
+                beforeBlockComment: true,
+                allowObjectStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g\n" +
+            "} = {};",
+            options: [{
+                beforeBlockComment: true,
+                allowObjectStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // check for object end comments
+        {
+            code:
+            "var a,\n" +
+            "// line\n\n" +
+            "b;",
+            options: [{
+                afterLineComment: true,
+                allowObjectEnd: true
+            }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  // line at object end\n" +
+            "};",
+            options: [{
+                afterLineComment: true,
+                allowObjectEnd: true
+            }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    // hi\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                afterLineComment: true,
+                allowObjectEnd: true
+            }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  \n" +
+            "  /* block comment at object end*/\n" +
+            "};",
+            options: [{
+                afterBlockComment: true,
+                allowObjectEnd: true
+            }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    \n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                afterBlockComment: true,
+                allowObjectEnd: true
+            }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  g: a\n" +
+            "  // line at object end\n" +
+            "} = {};",
+            options: [{
+                afterLineComment: true,
+                allowObjectEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  g\n" +
+            "  // line at object end\n" +
+            "} = {};",
+            options: [{
+                afterLineComment: true,
+                allowObjectEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  g: a\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "} = {};",
+            options: [{
+                afterBlockComment: true,
+                allowObjectEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const {\n" +
+            "  g\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "} = {};",
+            options: [{
+                afterBlockComment: true,
+                allowObjectEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // check for array start comments
+        {
+            code:
+            "var a,\n\n" +
+            "// line\n" +
+            "b;",
+            options: [{
+                beforeLineComment: true,
+                allowArrayStart: true
+            }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  // line at array start\n" +
+            "  1\n" +
+            "];",
+            options: [{
+                beforeLineComment: true,
+                allowArrayStart: true
+            }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  /* block comment at array start*/\n" +
+            "  1\n" +
+            "];",
+            options: [{
+                beforeBlockComment: true,
+                allowArrayStart: true
+            }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  // line at array start\n" +
+            "  a\n" +
+            "] = [];",
+            options: [{
+                beforeLineComment: true,
+                allowArrayStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const [\n" +
+            "  /* block comment at array start*/\n" +
+            "  a\n" +
+            "] = [];",
+            options: [{
+                beforeBlockComment: true,
+                allowArrayStart: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // check for array end comments
+        {
+            code:
+            "var a,\n" +
+            "// line\n\n" +
+            "b;",
+            options: [{
+                afterLineComment: true,
+                allowArrayEnd: true
+            }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  1\n" +
+            "  // line at array end\n" +
+            "];",
+            options: [{
+                afterLineComment: true,
+                allowArrayEnd: true
+            }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  1\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "];",
+            options: [{
+                afterBlockComment: true,
+                allowArrayEnd: true
+            }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  a\n" +
+            "  // line at array end\n" +
+            "] = [];",
+            options: [{
+                afterLineComment: true,
+                allowArrayEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "const [\n" +
+            "  a\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "] = [];",
+            options: [{
+                afterBlockComment: true,
+                allowArrayEnd: true
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // ignorePattern
+        {
+            code:
+            "foo;\n\n" +
+            "/* eslint-disable no-underscore-dangle */\n\n" +
+            "this._values = values;\n" +
+            "this._values2 = true;\n" +
+            "/* eslint-enable no-underscore-dangle */\n" +
+            "bar",
+            options: [{
+                beforeBlockComment: true,
+                afterBlockComment: true
+            }]
+        },
+        "foo;\n/* eslint */",
+        "foo;\n/* jshint */",
+        "foo;\n/* jslint */",
+        "foo;\n/* istanbul */",
+        "foo;\n/* global */",
+        "foo;\n/* globals */",
+        "foo;\n/* exported */",
+        "foo;\n/* jscs */",
+        {
+            code: "foo\n/* this is pragmatic */",
+            options: [{ ignorePattern: "pragma" }]
+        },
+        {
+            code: "foo\n/* this is pragmatic */",
+            options: [{ applyDefaultIgnorePatterns: false, ignorePattern: "pragma" }]
+        }
+    ],
+
+    invalid: [
+
+        // default rules
+        {
+            code: "bar()\n/** block block block\n * block \n */\nvar a = 1;",
+            output: "bar()\n\n/** block block block\n * block \n */\nvar a = 1;",
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+
+        // line comments
+        {
+            code: "baz()\n// A line comment with no empty line after\nvar a = 1;",
+            output: "baz()\n// A line comment with no empty line after\n\nvar a = 1;",
+            options: [{ afterLineComment: true }],
+            errors: [{ messageId: "after", type: "Line" }]
+        },
+        {
+            code: "baz()\n// A line comment with no empty line after\nvar a = 1;",
+            output: "baz()\n\n// A line comment with no empty line after\nvar a = 1;",
+            options: [{ beforeLineComment: true, afterLineComment: false }],
+            errors: [{ messageId: "before", type: "Line" }]
+        },
+        {
+            code: "// A line comment with no empty line after\nvar a = 1;",
+            output: "// A line comment with no empty line after\n\nvar a = 1;",
+            options: [{ beforeLineComment: true, afterLineComment: true }],
+            errors: [{ messageId: "after", type: "Line", line: 1, column: 1 }]
+        },
+        {
+            code: "baz()\n// A line comment with no empty line after\nvar a = 1;",
+            output: "baz()\n\n// A line comment with no empty line after\n\nvar a = 1;",
+            options: [{ beforeLineComment: true, afterLineComment: true }],
+            errors: [{ messageId: "before", type: "Line", line: 2 }, { messageId: "after", type: "Line", line: 2 }]
+        },
+
+        // block comments
+        {
+            code: "bar()\n/**\n * block block block\n */\nvar a = 1;",
+            output: "bar()\n\n/**\n * block block block\n */\n\nvar a = 1;",
+            options: [{ afterBlockComment: true, beforeBlockComment: true }],
+            errors: [{ messageId: "before", type: "Block", line: 2 }, { messageId: "after", type: "Block", line: 2 }]
+        },
+        {
+            code: "bar()\n/* first block comment */ /* second block comment */\nvar a = 1;",
+            output: "bar()\n\n/* first block comment */ /* second block comment */\n\nvar a = 1;",
+            options: [{ afterBlockComment: true, beforeBlockComment: true }],
+            errors: [
+                { messageId: "before", type: "Block", line: 2 },
+                { messageId: "after", type: "Block", line: 2 }
+            ]
+        },
+        {
+            code: "bar()\n/* first block comment */ /* second block\n comment */\nvar a = 1;",
+            output: "bar()\n\n/* first block comment */ /* second block\n comment */\n\nvar a = 1;",
+            options: [{ afterBlockComment: true, beforeBlockComment: true }],
+            errors: [
+                { messageId: "before", type: "Block", line: 2 },
+                { messageId: "after", type: "Block", line: 2 }
+            ]
+        },
+        {
+            code: "bar()\n/**\n * block block block\n */\nvar a = 1;",
+            output: "bar()\n/**\n * block block block\n */\n\nvar a = 1;",
+            options: [{ afterBlockComment: true, beforeBlockComment: false }],
+            errors: [{ messageId: "after", type: "Block", line: 2 }]
+        },
+        {
+            code: "bar()\n/**\n * block block block\n */\nvar a = 1;",
+            output: "bar()\n\n/**\n * block block block\n */\nvar a = 1;",
+            options: [{ afterBlockComment: false, beforeBlockComment: true }],
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+        {
+            code: "var a,\n// line\nb;",
+            output: "var a,\n\n// line\nb;",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code: "function foo(){\nvar a = 1;\n// line at block start\nvar g = 1;\n}",
+            output: "function foo(){\nvar a = 1;\n\n// line at block start\nvar g = 1;\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockStart: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 3 }]
+        },
+        {
+            code: "var a,\n// line\nb;",
+            output: "var a,\n// line\n\nb;",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 2 }]
+        },
+        {
+            code: "function foo(){\nvar a = 1;\n\n// line at block start\nvar g = 1;\n}",
+            output: "function foo(){\nvar a = 1;\n\n// line at block start\n\nvar g = 1;\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 4 }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\n// line at switch case start\nbreak;\n}",
+            output: "switch ('foo'){\ncase 'foo':\n\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 3 }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n// line at switch case start\nbreak;\n}",
+            output: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\n\n// line at switch case start\nbreak;\n}",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 6 }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            output: "while(true){\n// line at block start and end\n\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockStart: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 2 }]
+        },
+        {
+            code: "while(true){\n// line at block start and end\n}",
+            output: "while(true){\n\n// line at block start and end\n}",
+            options: [{
+                beforeLineComment: true,
+                allowBlockEnd: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code: "class A {\n// line at class start\nconstructor() {}\n}",
+            output: "class A {\n\n// line at class start\nconstructor() {}\n}",
+            options: [{
+                beforeLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code: "class A {\n// line at class start\nconstructor() {}\n}",
+            output: "class A {\n\n// line at class start\nconstructor() {}\n}",
+            options: [{
+                allowBlockStart: true,
+                allowClassStart: false,
+                beforeLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code: "class B {\nconstructor() {}\n\n// line at class end\n}",
+            output: "class B {\nconstructor() {}\n\n// line at class end\n\n}",
+            options: [{
+                afterLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Line", line: 4 }]
+        },
+        {
+            code: "class B {\nconstructor() {}\n\n// line at class end\n}",
+            output: "class B {\nconstructor() {}\n\n// line at class end\n\n}",
+            options: [{
+                afterLineComment: true,
+                allowBlockEnd: true,
+                allowClassEnd: false
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Line", line: 4 }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n// line at switch case end\n}",
+            output: "switch ('foo'){\ncase 'foo':\nvar g = 1;\n\n// line at switch case end\n\n}",
+            options: [{
+                afterLineComment: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 5 }]
+        },
+        {
+            code: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n// line at switch case end\n}",
+            output: "switch ('foo'){\ncase 'foo':\nbreak;\n\ndefault:\nvar g = 1;\n\n// line at switch case end\n\n}",
+            options: [{
+                afterLineComment: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 8 }]
+        },
+
+        // object start comments
+        {
+            code:
+            "var obj = {\n" +
+            "  // line at object start\n" +
+            "  g: 1\n" +
+            "};",
+            output:
+            "var obj = {\n" +
+            "\n" +
+            "  // line at object start\n" +
+            "  g: 1\n" +
+            "};",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    // hi\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function hi() {\n" +
+            "  return {\n" +
+            "\n" +
+            "    // hi\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  /* block comment at object start*/\n" +
+            "  g: 1\n" +
+            "};",
+            output:
+            "var obj = {\n" +
+            "\n" +
+            "  /* block comment at object start*/\n" +
+            "  g: 1\n" +
+            "};",
+            options: [{
+                beforeBlockComment: true
+            }],
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function hi() {\n" +
+            "  return {\n" +
+            "\n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Block", line: 3 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  // line at object start\n" +
+            "  g: a\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "\n" +
+            "  // line at object start\n" +
+            "  g: a\n" +
+            "} = {};",
+            options: [{
+                beforeLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  // line at object start\n" +
+            "  g\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "\n" +
+            "  // line at object start\n" +
+            "  g\n" +
+            "} = {};",
+            options: [{
+                beforeLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g: a\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g: a\n" +
+            "} = {};",
+            options: [{
+                beforeBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "\n" +
+            "  /* block comment at object-like start*/\n" +
+            "  g\n" +
+            "} = {};",
+            options: [{
+                beforeBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+
+        // object end comments
+        {
+            code:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  // line at object end\n" +
+            "};",
+            output:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  // line at object end\n" +
+            "\n" +
+            "};",
+            options: [{
+                afterLineComment: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    // hi\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    // hi\n" +
+            "\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                afterLineComment: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 5 }]
+        },
+        {
+            code:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  \n" +
+            "  /* block comment at object end*/\n" +
+            "};",
+            output:
+            "var obj = {\n" +
+            "  g: 1\n" +
+            "  \n" +
+            "  /* block comment at object end*/\n" +
+            "\n" +
+            "};",
+            options: [{
+                afterBlockComment: true
+            }],
+            errors: [{ messageId: "after", type: "Block", line: 4 }]
+        },
+        {
+            code:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    \n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "  }\n" +
+            "}",
+            output:
+            "function hi() {\n" +
+            "  return {\n" +
+            "    test: function() {\n" +
+            "    }\n" +
+            "    \n" +
+            "    /**\n" +
+            "    * hi\n" +
+            "    */\n" +
+            "\n" +
+            "  }\n" +
+            "}",
+            options: [{
+                afterBlockComment: true
+            }],
+            errors: [{ messageId: "after", type: "Block", line: 6 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  g: a\n" +
+            "  // line at object end\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "  g: a\n" +
+            "  // line at object end\n" +
+            "\n" +
+            "} = {};",
+            options: [{
+                afterLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  g\n" +
+            "  // line at object end\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "  g\n" +
+            "  // line at object end\n" +
+            "\n" +
+            "} = {};",
+            options: [{
+                afterLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  g: a\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "  g: a\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "\n" +
+            "} = {};",
+            options: [{
+                afterBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Block", line: 4 }]
+        },
+        {
+            code:
+            "const {\n" +
+            "  g\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "} = {};",
+            output:
+            "const {\n" +
+            "  g\n" +
+            "  \n" +
+            "  /* block comment at object-like end*/\n" +
+            "\n" +
+            "} = {};",
+            options: [{
+                afterBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Block", line: 4 }]
+        },
+
+        // array start comments
+        {
+            code:
+            "var arr = [\n" +
+            "  // line at array start\n" +
+            "  1\n" +
+            "];",
+            output:
+            "var arr = [\n" +
+            "\n" +
+            "  // line at array start\n" +
+            "  1\n" +
+            "];",
+            options: [{
+                beforeLineComment: true
+            }],
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  /* block comment at array start*/\n" +
+            "  1\n" +
+            "];",
+            output:
+            "var arr = [\n" +
+            "\n" +
+            "  /* block comment at array start*/\n" +
+            "  1\n" +
+            "];",
+            options: [{
+                beforeBlockComment: true
+            }],
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  // line at array start\n" +
+            "  a\n" +
+            "] = [];",
+            output:
+            "const [\n" +
+            "\n" +
+            "  // line at array start\n" +
+            "  a\n" +
+            "] = [];",
+            options: [{
+                beforeLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Line", line: 2 }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  /* block comment at array start*/\n" +
+            "  a\n" +
+            "] = [];",
+            output:
+            "const [\n" +
+            "\n" +
+            "  /* block comment at array start*/\n" +
+            "  a\n" +
+            "] = [];",
+            options: [{
+                beforeBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "before", type: "Block", line: 2 }]
+        },
+
+        // array end comments
+        {
+            code:
+            "var arr = [\n" +
+            "  1\n" +
+            "  // line at array end\n" +
+            "];",
+            output:
+            "var arr = [\n" +
+            "  1\n" +
+            "  // line at array end\n" +
+            "\n" +
+            "];",
+            options: [{
+                afterLineComment: true
+            }],
+            errors: [{ messageId: "after", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "var arr = [\n" +
+            "  1\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "];",
+            output:
+            "var arr = [\n" +
+            "  1\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "\n" +
+            "];",
+            options: [{
+                afterBlockComment: true
+            }],
+            errors: [{ messageId: "after", type: "Block", line: 4 }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  a\n" +
+            "  // line at array end\n" +
+            "] = [];",
+            output:
+            "const [\n" +
+            "  a\n" +
+            "  // line at array end\n" +
+            "\n" +
+            "] = [];",
+            options: [{
+                afterLineComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Line", line: 3 }]
+        },
+        {
+            code:
+            "const [\n" +
+            "  a\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "] = [];",
+            output:
+            "const [\n" +
+            "  a\n" +
+            "  \n" +
+            "  /* block comment at array end*/\n" +
+            "\n" +
+            "] = [];",
+            options: [{
+                afterBlockComment: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "after", type: "Block", line: 4 }]
+        },
+
+        // ignorePattern
+        {
+            code:
+            "foo;\n\n" +
+            "/* eslint-disable no-underscore-dangle */\n\n" +
+            "this._values = values;\n" +
+            "this._values2 = true;\n" +
+            "/* eslint-enable no-underscore-dangle */\n" +
+            "bar",
+            output:
+            "foo;\n\n" +
+            "/* eslint-disable no-underscore-dangle */\n\n" +
+            "this._values = values;\n" +
+            "this._values2 = true;\n" +
+            "\n" +
+            "/* eslint-enable no-underscore-dangle */\n" +
+            "\n" +
+            "bar",
+            options: [{
+                beforeBlockComment: true,
+                afterBlockComment: true,
+                applyDefaultIgnorePatterns: false
+            }],
+            errors: [
+                { messageId: "before", type: "Block", line: 7 },
+                { messageId: "after", type: "Block", line: 7 }
+            ]
+        },
+        {
+            code: "foo;\n/* eslint */",
+            output: "foo;\n\n/* eslint */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* jshint */",
+            output: "foo;\n\n/* jshint */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* jslint */",
+            output: "foo;\n\n/* jslint */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* istanbul */",
+            output: "foo;\n\n/* istanbul */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* global */",
+            output: "foo;\n\n/* global */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* globals */",
+            output: "foo;\n\n/* globals */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* exported */",
+            output: "foo;\n\n/* exported */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo;\n/* jscs */",
+            output: "foo;\n\n/* jscs */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo\n/* something else */",
+            output: "foo\n\n/* something else */",
+            options: [{ ignorePattern: "pragma" }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+        {
+            code: "foo\n/* eslint */",
+            output: "foo\n\n/* eslint */",
+            options: [{ applyDefaultIgnorePatterns: false }],
+            errors: [{ messageId: "before", type: "Block" }]
+        },
+
+        // "fallthrough" patterns are not ignored by default
+        {
+            code: "foo;\n/* fallthrough */",
+            output: "foo;\n\n/* fallthrough */",
+            options: [],
+            errors: [{ messageId: "before", type: "Block" }]
+        }
+    ]
+
+});
diff --git a/eslint/tests/lib/rules/lines-around-directive.js b/eslint/tests/lib/rules/lines-around-directive.js
new file mode 100644
index 0000000..230daa7
--- /dev/null
+++ b/eslint/tests/lib/rules/lines-around-directive.js
@@ -0,0 +1,1701 @@
+/**
+ * @fileoverview Require or disallow newlines around directives.
+ * @author Kai Cataldo
+ * @deprecated
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/lines-around-directive");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const expectedBeforeStrictError = { messageId: "expected", data: { location: "before", value: "use strict" } };
+const expectedAfterStrictError = { messageId: "expected", data: { location: "after", value: "use strict" } };
+const expectedAfterAsmError = { messageId: "expected", data: { location: "after", value: "use asm" } };
+const unexpectedBeforeStrictError = { messageId: "unexpected", data: { location: "before", value: "use strict" } };
+const unexpectedAfterStrictError = { messageId: "unexpected", data: { location: "after", value: "use strict" } };
+const unexpectedAfterAsmError = { messageId: "unexpected", data: { location: "after", value: "use asm" } };
+
+ruleTester.run("lines-around-directive", rule, {
+    valid: [
+
+        // use "always" by default
+        "//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+
+        /*
+         * "always"
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "\n'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "'use strict';\n\n//comment\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["always"]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["always"]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n\n'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "//comment\n\n'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;",
+            options: ["always"]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+
+        // does not warn about lack of blank newlines between directives
+        {
+            code: "//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "() => {\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // is not affected by JSDoc comments when at top of function block
+        {
+            code: "/*\n * JSDoc comment\n */\nfunction foo() {\n'use strict';\n\nvar bar;\n}",
+            options: ["always"]
+        },
+
+        // does not warn if the directive is the only statement in the function block and there are no comments
+        {
+            code: "function foo() {\n'use strict';\n}",
+            options: ["always"]
+        },
+
+        /*
+         * "never"
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "'use strict';\n//comment\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["never"]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["never"]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n'use strict';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n'use strict';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "//comment\n'use strict';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\nvar foo;",
+            options: ["never"]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "//comment\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "() => {\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n'use strict';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // does not warn about blank newlines between directives
+        {
+            code: "//comment\n'use strict';\n\n'use asm';\nvar foo;",
+            options: ["never"]
+        },
+
+        // is not affected by JSDoc comments when at top of function block
+        {
+            code: "/*\n * JSDoc comment\n */\nfunction foo() {\n'use strict';\nvar bar;\n}",
+            options: ["never"]
+        },
+
+        // does not warn if the directive is the only statement in the function block and there are no comments
+        {
+            code: "function foo() {\n\n'use strict';\n\n}",
+            options: ["never"]
+        },
+
+        /*
+         * { "before": "never", "after": "always" }
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "'use strict';\n\n//comment\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "//comment\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "//comment\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "() => {\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * { "before": "always", "after": "never" }
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "'use strict';\n//comment\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "//comment\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "//comment\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "() => {\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7450
+        {
+            code: "'use strict'\n\n;foo();",
+            options: [{ before: "never", after: "always" }]
+        },
+        {
+            code: "'use strict'\n;foo();",
+            options: [{ before: "never", after: "never" }]
+        }
+    ],
+
+    invalid: [
+
+        /*
+         * "always"
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\nvar foo;",
+            output: "'use strict';\n\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n//comment\nvar foo;",
+            output: "'use strict';\n\n//comment\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\nvar foo;",
+            output: "'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            output: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["always"],
+            errors: [expectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n'use strict';\nvar foo;",
+            output: "#!/usr/bin/env node\n\n'use strict';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n'use strict';\nvar foo;",
+            output: "#!/usr/bin/env node\n//comment\n\n'use strict';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "//comment\n'use strict';\nvar foo;",
+            output: "//comment\n\n'use strict';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n'use asm';\nvar foo;",
+            output: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n'use strict';\n'use asm';\nvar foo;",
+            output: "#!/usr/bin/env node\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "//comment\n'use strict';\n'use asm';\nvar foo;",
+            output: "//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "() => {\n'use strict';\nvar foo;\n}",
+            output: "() => {\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n//comment\n\n'use strict';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\nvar foo;\n}",
+            output: "() => {\n//comment\n\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n//comment\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: ["always"],
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+
+        /*
+         * "never"
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\n\nvar foo;",
+            output: "'use strict';\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n\n//comment\nvar foo;",
+            output: "'use strict';\n//comment\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\n\nvar foo;",
+            output: "'use strict';\n'use asm';\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            output: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: ["never"],
+            errors: [unexpectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n'use strict';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n\n'use strict';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n//comment\n'use strict';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "//comment\n\n'use strict';\n\nvar foo;",
+            output: "//comment\n'use strict';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n'use strict';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "#!/usr/bin/env node\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n//comment\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "//comment\n\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "//comment\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\nvar bar;\n}",
+            options: ["never"],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "() => {\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n//comment\n'use strict';\nvar bar;\n}",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\nvar bar;\n}",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n//comment\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n'use strict';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n//comment\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: ["never"],
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n//comment\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+
+
+        /*
+         * { "before": "never", "after": "always" }
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\nvar foo;",
+            output: "'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n//comment\nvar foo;",
+            output: "'use strict';\n\n//comment\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\nvar foo;",
+            output: "'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            output: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\nvar foo;",
+            output: "#!/usr/bin/env node\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "//comment\n\n'use strict';\nvar foo;",
+            output: "//comment\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\nvar foo;",
+            output: "#!/usr/bin/env node\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "//comment\n\n'use strict';\n'use asm';\nvar foo;",
+            output: "//comment\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "() => {\n'use strict';\nvar foo;\n}",
+            output: "() => {\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "() => {\n\n'use strict';\nvar foo;\n}",
+            output: "() => {\n\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterAsmError]
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n//comment\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\nvar foo;\n}",
+            output: "() => {\n//comment\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n//comment\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            options: [{ before: "never", after: "always" }],
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n//comment\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            options: [{ before: "never", after: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                unexpectedBeforeStrictError,
+                expectedAfterAsmError
+            ]
+        },
+
+        /*
+         * { "before": "always", "after": "never" }
+         * at top of file
+         * single directive
+         */
+        {
+            code: "'use strict';\n\nvar foo;",
+            output: "'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n\n//comment\nvar foo;",
+            output: "'use strict';\n//comment\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "'use strict';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "'use strict';\n'use asm';\n\nvar foo;",
+            output: "'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n//comment\nvar foo;",
+            output: "'use strict';\n'use asm';\n//comment\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "'use strict';\n'use asm';\n\n/*\nmultiline comment\n*/\nvar foo;",
+            output: "'use strict';\n'use asm';\n/*\nmultiline comment\n*/\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of file
+         * single directive
+         */
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "//comment\n'use strict';\n\nvar foo;",
+            output: "//comment\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "#!/usr/bin/env node\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "#!/usr/bin/env node\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "//comment\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "//comment\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;",
+            output: "/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+
+        /*
+         * at the top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "() => {\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "() => {\n\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterStrictError]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "function foo() {\n\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "() => {\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterAsmError]
+        },
+        {
+            code: "() => {\n\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [unexpectedAfterAsmError]
+        },
+
+        /*
+         * after comment at top of function blocks
+         * single directive
+         */
+        {
+            code: "function foo() {\n//comment\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n//comment\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n//comment\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterStrictError
+            ]
+        },
+
+        // multiple directives
+        {
+            code: "function foo() {\n//comment\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n//comment\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "function foo() {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar bar;\n}",
+            output: "function foo() {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar bar;\n}",
+            options: [{ before: "always", after: "never" }],
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n//comment\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n//comment\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+        {
+            code: "() => {\n/*\nmultiline comment\n*/\n'use strict';\n'use asm';\n\nvar foo;\n}",
+            output: "() => {\n/*\nmultiline comment\n*/\n\n'use strict';\n'use asm';\nvar foo;\n}",
+            options: [{ before: "always", after: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                expectedBeforeStrictError,
+                unexpectedAfterAsmError
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7450
+        {
+
+            code: "'use strict'\n\n;foo();",
+            output: "'use strict'\n;foo();",
+            options: [{ before: "never", after: "never" }],
+            errors: [unexpectedAfterStrictError]
+        },
+        {
+            code: "'use strict'\n;foo();",
+            output: "'use strict'\n\n;foo();",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        },
+        {
+            code: "'use strict'\n;\nfoo();",
+            output: "'use strict'\n\n;\nfoo();",
+            options: [{ before: "never", after: "always" }],
+            errors: [expectedAfterStrictError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/lines-between-class-members.js b/eslint/tests/lib/rules/lines-between-class-members.js
new file mode 100644
index 0000000..e4b1c0c
--- /dev/null
+++ b/eslint/tests/lib/rules/lines-between-class-members.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Tests for lines-between-class-members rule.
+ * @author 薛定谔的猫<hh_2013@foxmail.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/lines-between-class-members");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+const alwaysError = { messageId: "always" };
+const neverError = { messageId: "never" };
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("lines-between-class-members", rule, {
+    valid: [
+        "class foo{}",
+        "class foo{;;}",
+        "class foo{\n\n}",
+        "class foo{constructor(){}\n}",
+        "class foo{\nconstructor(){}}",
+
+        "class foo{ bar(){}\n\nbaz(){}}",
+        "class foo{ bar(){}\n\n/*comments*/baz(){}}",
+        "class foo{ bar(){}\n\n//comments\nbaz(){}}",
+        "class foo{ bar(){}\n//comments\n\nbaz(){}}",
+        "class A{ foo() {} // a comment\n\nbar() {}}",
+        "class A{ foo() {}\n/* a */ /* b */\n\nbar() {}}",
+        "class A{ foo() {}/* a */ \n\n /* b */bar() {}}",
+
+        "class A {\nfoo() {}\n/* comment */;\n;\n\nbar() {}\n}",
+        "class A {\nfoo() {}\n// comment\n\n;\n;\nbar() {}\n}",
+
+        "class foo{ bar(){}\n\n;;baz(){}}",
+        "class foo{ bar(){};\n\nbaz(){}}",
+
+        { code: "class foo{ bar(){}\nbaz(){}}", options: ["never"] },
+        { code: "class foo{ bar(){}\n/*comments*/baz(){}}", options: ["never"] },
+        { code: "class foo{ bar(){}\n//comments\nbaz(){}}", options: ["never"] },
+        { code: "class foo{ bar(){}/* comments\n\n*/baz(){}}", options: ["never"] },
+        { code: "class foo{ bar(){}/* \ncomments\n*/baz(){}}", options: ["never"] },
+        { code: "class foo{ bar(){}\n/* \ncomments\n*/\nbaz(){}}", options: ["never"] },
+
+        { code: "class foo{ bar(){}\n\nbaz(){}}", options: ["always"] },
+        { code: "class foo{ bar(){}\n\n/*comments*/baz(){}}", options: ["always"] },
+        { code: "class foo{ bar(){}\n\n//comments\nbaz(){}}", options: ["always"] },
+
+        { code: "class foo{ bar(){}\nbaz(){}}", options: ["always", { exceptAfterSingleLine: true }] },
+        { code: "class foo{ bar(){\n}\n\nbaz(){}}", options: ["always", { exceptAfterSingleLine: true }] }
+    ],
+    invalid: [
+        {
+            code: "class foo{ bar(){}\nbaz(){}}",
+            output: "class foo{ bar(){}\n\nbaz(){}}",
+            options: ["always"],
+            errors: [alwaysError]
+        }, {
+            code: "class foo{ bar(){}\n\nbaz(){}}",
+            output: "class foo{ bar(){}\nbaz(){}}",
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){\n}\nbaz(){}}",
+            output: "class foo{ bar(){\n}\n\nbaz(){}}",
+            options: ["always", { exceptAfterSingleLine: true }],
+            errors: [alwaysError]
+        }, {
+            code: "class foo{ bar(){\n}\n/* comment */\nbaz(){}}",
+            output: "class foo{ bar(){\n}\n\n/* comment */\nbaz(){}}",
+            options: ["always", { exceptAfterSingleLine: true }],
+            errors: [alwaysError]
+        }, {
+            code: "class foo{ bar(){}\n\n// comment\nbaz(){}}",
+            output: "class foo{ bar(){}\n// comment\nbaz(){}}",
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n\n/* comment */\nbaz(){}}",
+            output: "class foo{ bar(){}\n/* comment */\nbaz(){}}",
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n/* comment-1 */\n\n/* comment-2 */\nbaz(){}}",
+            output: "class foo{ bar(){}\n/* comment-1 */\n/* comment-2 */\nbaz(){}}",
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n\n/* comment */\n\nbaz(){}}",
+            output: null,
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n\n// comment\n\nbaz(){}}",
+            output: null,
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n/* comment-1 */\n\n/* comment-2 */\n\n/* comment-3 */\nbaz(){}}",
+            output: null,
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class foo{ bar(){}\n/* comment-1 */\n\n;\n\n/* comment-3 */\nbaz(){}}",
+            output: null,
+            options: ["never"],
+            errors: [neverError]
+        }, {
+            code: "class A {\nfoo() {}// comment\n;\n/* comment */\nbar() {}\n}",
+            output: "class A {\nfoo() {}// comment\n\n;\n/* comment */\nbar() {}\n}",
+            options: ["always"],
+            errors: [alwaysError]
+        }, {
+            code: "class A {\nfoo() {}\n/* comment */;\n;\n/* comment */\nbar() {}\n}",
+            output: "class A {\nfoo() {}\n\n/* comment */;\n;\n/* comment */\nbar() {}\n}",
+            options: ["always"],
+            errors: [alwaysError]
+        }, {
+            code: "class foo{ bar(){};\nbaz(){}}",
+            output: "class foo{ bar(){};\n\nbaz(){}}",
+            options: ["always"],
+            errors: [alwaysError]
+        }, {
+            code: "class foo{ bar(){} // comment \nbaz(){}}",
+            output: "class foo{ bar(){} // comment \n\nbaz(){}}",
+            options: ["always"],
+            errors: [alwaysError]
+        }, {
+            code: "class A {\nfoo() {}\n/* comment */;\n;\nbar() {}\n}",
+            output: "class A {\nfoo() {}\n\n/* comment */;\n;\nbar() {}\n}",
+            options: ["always"],
+            errors: [alwaysError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-classes-per-file.js b/eslint/tests/lib/rules/max-classes-per-file.js
new file mode 100644
index 0000000..ca9cba7
--- /dev/null
+++ b/eslint/tests/lib/rules/max-classes-per-file.js
@@ -0,0 +1,59 @@
+/**
+ * @fileoverview Tests for max-classes-per-file rule.
+ * @author James Garbutt <https://github.com/43081j>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-classes-per-file"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("max-classes-per-file", rule, {
+    valid: [
+        "class Foo {}",
+        "var x = class {};",
+        "var x = 5;",
+        {
+            code: "class Foo {}",
+            options: [1]
+        },
+        {
+            code: "class Foo {}\nclass Bar {}",
+            options: [2]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "class Foo {}\nclass Bar {}",
+            errors: [{ messageId: "maximumExceeded", type: "Program" }]
+        },
+        {
+            code: "var x = class {};\nvar y = class {};",
+            errors: [{ messageId: "maximumExceeded", type: "Program" }]
+        },
+        {
+            code: "class Foo {}\nvar x = class {};",
+            errors: [{ messageId: "maximumExceeded", type: "Program" }]
+        },
+        {
+            code: "class Foo {} class Bar {}",
+            options: [1],
+            errors: [{ messageId: "maximumExceeded", type: "Program" }]
+        },
+        {
+            code: "class Foo {} class Bar {} class Baz {}",
+            options: [2],
+            errors: [{ messageId: "maximumExceeded", type: "Program" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-depth.js b/eslint/tests/lib/rules/max-depth.js
new file mode 100644
index 0000000..0b4f846
--- /dev/null
+++ b/eslint/tests/lib/rules/max-depth.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Tests for max-depth.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-depth"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-depth", rule, {
+    valid: [
+        { code: "function foo() { if (true) { if (false) { if (true) { } } } }", options: [3] },
+        { code: "function foo() { if (true) { } else if (false) { } else if (true) { } else if (false) {} }", options: [3] },
+        { code: "var foo = () => { if (true) { if (false) { if (true) { } } } }", options: [3], parserOptions: { ecmaVersion: 6 } },
+        "function foo() { if (true) { if (false) { if (true) { } } } }",
+
+        // object property options
+        { code: "function foo() { if (true) { if (false) { if (true) { } } } }", options: [{ max: 3 }] }
+    ],
+    invalid: [
+        { code: "function foo() { if (true) { if (false) { if (true) { } } } }", options: [2], errors: [{ messageId: "tooDeeply", data: { depth: 3, maxDepth: 2 }, type: "IfStatement" }] },
+        { code: "var foo = () => { if (true) { if (false) { if (true) { } } } }", options: [2], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "tooDeeply", data: { depth: 3, maxDepth: 2 }, type: "IfStatement" }] },
+        { code: "function foo() { if (true) {} else { for(;;) {} } }", options: [1], errors: [{ messageId: "tooDeeply", data: { depth: 2, maxDepth: 1 }, type: "ForStatement" }] },
+        { code: "function foo() { while (true) { if (true) {} } }", options: [1], errors: [{ messageId: "tooDeeply", data: { depth: 2, maxDepth: 1 }, type: "IfStatement" }] },
+        { code: "function foo() { for (let x of foo) { if (true) {} } }", options: [1], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "tooDeeply", data: { depth: 2, maxDepth: 1 }, type: "IfStatement" }] },
+        { code: "function foo() { while (true) { if (true) { if (false) { } } } }", options: [1], errors: [{ messageId: "tooDeeply", data: { depth: 2, maxDepth: 1 }, type: "IfStatement" }, { messageId: "tooDeeply", data: { depth: 3, maxDepth: 1 }, type: "IfStatement" }] },
+        { code: "function foo() { if (true) { if (false) { if (true) { if (false) { if (true) { } } } } } }", errors: [{ messageId: "tooDeeply", data: { depth: 5, maxDepth: 4 }, type: "IfStatement" }] },
+
+        // object property options
+        { code: "function foo() { if (true) { if (false) { if (true) { } } } }", options: [{ max: 2 }], errors: [{ messageId: "tooDeeply", data: { depth: 3, maxDepth: 2 }, type: "IfStatement" }] },
+
+        { code: "function foo() { if (a) { if (b) { if (c) { if (d) { if (e) {} } } } } }", options: [{}], errors: [{ messageId: "tooDeeply", data: { depth: 5, maxDepth: 4 } }] },
+        { code: "function foo() { if (true) {} }", options: [{ max: 0 }], errors: [{ messageId: "tooDeeply", data: { depth: 1, maxDepth: 0 } }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-len.js b/eslint/tests/lib/rules/max-len.js
new file mode 100644
index 0000000..f6296b6
--- /dev/null
+++ b/eslint/tests/lib/rules/max-len.js
@@ -0,0 +1,1104 @@
+/**
+ * @fileoverview Tests for max-len rule.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/max-len"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const parserOptions = { ecmaVersion: 6 };
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-len", rule, {
+    valid: [
+        "var x = 5;\nvar x = 2;",
+        {
+            code: "var x = 5;\nvar x = 2;",
+            options: [80, 4]
+        }, {
+            code: "\t\t\tvar i = 1;\n\t\t\tvar j = 1;",
+            options: [15, 1]
+        }, {
+            code: "var one\t\t= 1;\nvar three\t= 3;",
+            options: [16, 4]
+        }, {
+            code: "\tvar one\t\t= 1;\n\tvar three\t= 3;",
+            options: [20, 4]
+        }, {
+            code: "var i = 1;\r\nvar i = 1;\n",
+            options: [10, 4]
+        }, {
+            code: "\n// Blank line on top\nvar foo = module.exports = {};\n",
+            options: [80, 4]
+        },
+        "\n// Blank line on top\nvar foo = module.exports = {};\n",
+        {
+            code: "var foo = module.exports = {}; // really long trailing comment",
+            options: [40, 4, { ignoreComments: true }]
+        }, {
+            code: "foo(); \t// strips entire comment *and* trailing whitespace",
+            options: [6, 4, { ignoreComments: true }]
+        }, {
+            code: "// really long comment on its own line sitting here",
+            options: [40, 4, { ignoreComments: true }]
+        }, {
+            code: "var foo = module.exports = {}; /* inline some other comments */ //more",
+            options: [40, 4, { ignoreComments: true }]
+        },
+        "var /*inline-comment*/ i = 1;",
+        {
+            code: "var /*inline-comment*/ i = 1; // with really long trailing comment",
+            options: [40, 4, { ignoreComments: true }]
+        }, {
+            code: "foo('http://example.com/this/is/?a=longish&url=in#here');",
+            options: [40, 4, { ignoreUrls: true }]
+        }, {
+            code: "foo(bar(bazz('this is a long'), 'line of'), 'stuff');",
+            options: [40, 4, { ignorePattern: "foo.+bazz\\(" }]
+        }, {
+            code:
+                "/* hey there! this is a multiline\n" +
+                "   comment with longish lines in various places\n" +
+                "   but\n" +
+                "   with a short line-length */",
+            options: [10, 4, { ignoreComments: true }]
+        }, {
+            code:
+                "// I like short comments\n" +
+                "function butLongSourceLines() { weird(eh()) }",
+            options: [80, { tabWidth: 4, comments: 30 }]
+        }, {
+            code:
+                "// I like longer comments and shorter code\n" +
+                "function see() { odd(eh()) }",
+            options: [30, { tabWidth: 4, comments: 80 }]
+        }, {
+            code:
+                "// Full line comment\n" +
+                "someCode(); // With a long trailing comment.",
+            options: [{ code: 30, tabWidth: 4, comments: 20, ignoreTrailingComments: true }]
+        }, {
+            code: "var foo = module.exports = {}; // really long trailing comment",
+            options: [40, 4, { ignoreTrailingComments: true }]
+        }, {
+            code: "var foo = module.exports = {}; /* inline some other comments */ //more",
+            options: [40, 4, { ignoreTrailingComments: true }]
+        }, {
+            code: "var foo = module.exports = {}; // really long trailing comment",
+            options: [40, 4, { ignoreComments: true, ignoreTrailingComments: false }]
+        },
+
+        // ignoreStrings, ignoreTemplateLiterals and ignoreRegExpLiterals options
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = 'this is a very long string';",
+            options: [29, 4, { ignoreStrings: true }]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = \"this is a very long string\";",
+            options: [29, 4, { ignoreStrings: true }]
+        },
+        {
+            code: "var str = \"this is a very long string\\\nwith continuation\";",
+            options: [29, 4, { ignoreStrings: true }]
+        },
+        {
+            code: "var str = \"this is a very long string\\\nwith continuation\\\nand with another very very long continuation\\\nand ending\";",
+            options: [29, 4, { ignoreStrings: true }]
+        },
+        {
+            code: "var foo = <div className=\"this is a very long string\"></div>;",
+            options: [29, 4, { ignoreStrings: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = `this is a very long string`;",
+            options: [29, 4, { ignoreTemplateLiterals: true }],
+            parserOptions
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = `this is a very long string\nand this is another line that is very long`;",
+            options: [29, 4, { ignoreTemplateLiterals: true }],
+            parserOptions
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = `this is a very long string\nand this is another line that is very long\nand here is another\n and another!`;",
+            options: [29, 4, { ignoreTemplateLiterals: true }],
+            parserOptions
+        },
+        {
+            code: "var foo = /this is a very long pattern/;",
+            options: [29, 4, { ignoreRegExpLiterals: true }]
+        },
+
+        // check indented comment lines - https://github.com/eslint/eslint/issues/6322
+        {
+            code: "function foo() {\n" +
+                  "//this line has 29 characters\n" +
+                  "}",
+            options: [40, 4, { comments: 29 }]
+        }, {
+            code: "function foo() {\n" +
+                  "    //this line has 33 characters\n" +
+                  "}",
+            options: [40, 4, { comments: 33 }]
+        }, {
+            code: "function foo() {\n" +
+                  "/*this line has 29 characters\n" +
+                  "and this one has 21*/\n" +
+                  "}",
+            options: [40, 4, { comments: 29 }]
+        }, {
+            code: "function foo() {\n" +
+                  "    /*this line has 33 characters\n" +
+                  "    and this one has 25*/\n" +
+                  "}",
+            options: [40, 4, { comments: 33 }]
+        }, {
+            code: "function foo() {\n" +
+                  "    var a; /*this line has 40 characters\n" +
+                  "    and this one has 36 characters*/\n" +
+                  "}",
+            options: [40, 4, { comments: 36 }]
+        }, {
+            code: "function foo() {\n" +
+                  "    /*this line has 33 characters\n" +
+                  "    and this one has 43 characters*/ var a;\n" +
+                  "}",
+            options: [43, 4, { comments: 33 }]
+        },
+
+        // blank line
+        "",
+
+        // Multi-code-point unicode glyphs
+        {
+            code: "'🙂😀😆😎😊😜😉👍'",
+            options: [10]
+        },
+
+        // Astral symbols in pattern (only matched by unicode regexes)
+        {
+            code: "var longNameLongName = '𝌆𝌆'",
+            options: [5, { ignorePattern: "𝌆{2}" }]
+        },
+
+        {
+            code: "\tfoo",
+            options: [4, { tabWidth: 0 }]
+        },
+
+        // https://github.com/eslint/eslint/issues/12213
+        {
+            code: "var jsx = (<>\n" +
+                  "  { /* this line has 38 characters */}\n" +
+                  "</>)",
+            options: [15, { comments: 38 }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "\t\t{ /* this line has 40 characters */}\n" +
+                  "</>)",
+            options: [15, 4, { comments: 44 }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "  <> text </>{ /* this line has 49 characters */}\n" +
+                  "</>)",
+            options: [13, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "  {/* this line has 37 characters */}\n" +
+                  "  <> </> {/* this line has 44 characters */}\n" +
+                  "</>)",
+            options: [44, { comments: 37 }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "  {/* this line has 37 characters */}\n" +
+                  "  <> </> {/* this line has 44 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = {a && b/* this line has 57 characters */}\n" +
+                  "></Foo>;",
+            options: [57],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = {/* this line has 57 characters */a && b}\n" +
+                  "></Foo>;",
+            options: [57],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = \n" +
+                  "          {a & b/* this line has 50 characters */}\n" +
+                  "></Foo>;",
+            options: [50],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 80 characters */}\n" +
+                  "</>)",
+            options: [80],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  {/* this line has 37 characters */}\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 80 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  {/* this line has 37 characters */}\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 80 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/* this line has 37 characters */}\n" +
+                "  <> </> {/* this line with two separate comments */} {/* have > 80 characters */ /* another comment in same braces */}\n" +
+                "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/* this line has 37 characters */}\n" +
+                "  <> </> {/* this line with two separate comments */} {/* have > 80 characters */ /* another comment in same braces */}\n" +
+                "</>)",
+            options: [37, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/*\n" +
+                "       this line has 34 characters\n" +
+                "   */}\n" +
+                "</>)",
+            options: [33, { comments: 34 }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/*\n" +
+                "       this line has 34 characters\n" +
+                "   */}\n" +
+                "</>)",
+            options: [33, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {a & b /* this line has 34 characters\n" +
+                "   */}\n" +
+                "</>)",
+            options: [33, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {a & b /* this line has 34 characters\n" +
+                "   */}\n" +
+                "</>)",
+            options: [33, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tvar i = 1;",
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 86, maxLength: 80 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var x = 5, y = 2, z = 5;",
+            options: [10, 4],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 24, maxLength: 10 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "\t\t\tvar i = 1;",
+            options: [15, 4],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 22, maxLength: 15 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "\t\t\tvar i = 1;\n\t\t\tvar j = 1;",
+            options: [15, 4],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 22, maxLength: 15 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                },
+                {
+                    messageId: "max",
+                    data: { lineLength: 22, maxLength: 15 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var /*this is a long non-removed inline comment*/ i = 1;",
+            options: [20, 4, { ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 56, maxLength: 20 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code:
+                "var foobar = 'this line isn\\'t matched by the regexp';\n" +
+                "var fizzbuzz = 'but this one is matched by the regexp';\n",
+            options: [20, 4, { ignorePattern: "fizzbuzz" }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 54, maxLength: 20 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var longLine = 'will trigger'; // even with a comment",
+            options: [10, 4, { ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 30, maxLength: 10 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = module.exports = {}; // really long trailing comment",
+            options: [40, 4], // ignoreComments is disabled
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 62, maxLength: 40 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "foo('http://example.com/this/is/?a=longish&url=in#here');",
+            options: [40, 4], // ignoreUrls is disabled
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 57, maxLength: 40 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "foo(bar(bazz('this is a long'), 'line of'), 'stuff');",
+            options: [40, 4], // ignorePattern is disabled
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 53, maxLength: 40 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "// A comment that exceeds the max comment length.",
+            options: [80, 4, { comments: 20 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 49, maxCommentLength: 20 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "// A comment that exceeds the max comment length and the max code length, but will fail for being too long of a comment",
+            options: [40, 4, { comments: 80 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 119, maxCommentLength: 80 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "// A comment that exceeds the max comment length.",
+            options: [{ code: 20 }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 49, maxLength: 20 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "//This is very long comment with more than 40 characters which is invalid",
+            options: [40, 4, { ignoreTrailingComments: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 73, maxLength: 40 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // check indented comment lines - https://github.com/eslint/eslint/issues/6322
+        {
+            code: "function foo() {\n" +
+                  "//this line has 29 characters\n" +
+                  "}",
+            options: [40, 4, { comments: 28 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 29, maxCommentLength: 28 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "function foo() {\n" +
+                  "    //this line has 33 characters\n" +
+                  "}",
+            options: [40, 4, { comments: 32 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 33, maxCommentLength: 32 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "function foo() {\n" +
+                  "/*this line has 29 characters\n" +
+                  "and this one has 32 characters*/\n" +
+                  "}",
+            options: [40, 4, { comments: 28 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 29, maxCommentLength: 28 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                },
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 32, maxCommentLength: 28 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "function foo() {\n" +
+                  "    /*this line has 33 characters\n" +
+                  "    and this one has 36 characters*/\n" +
+                  "}",
+            options: [40, 4, { comments: 32 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 33, maxCommentLength: 32 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                },
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 36, maxCommentLength: 32 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "function foo() {\n" +
+                  "    var a; /*this line has 40 characters\n" +
+                  "    and this one has 36 characters*/\n" +
+                  "}",
+            options: [39, 4, { comments: 35 }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 40, maxLength: 39 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                },
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 36, maxCommentLength: 35 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        }, {
+            code: "function foo() {\n" +
+                  "    /*this line has 33 characters\n" +
+                  "    and this one has 43 characters*/ var a;\n" +
+                  "}",
+            options: [42, 4, { comments: 32 }],
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 33, maxCommentLength: 32 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                },
+                {
+                    messageId: "max",
+                    data: { lineLength: 43, maxLength: 42 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+
+        // check comments with the same length as non-comments - https://github.com/eslint/eslint/issues/6564
+        {
+            code: "// This commented line has precisely 51 characters.\n" +
+                  "var x = 'This line also has exactly 51 characters';",
+            options: [20, { ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 51, maxLength: 20 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+
+        // ignoreStrings and ignoreTemplateLiterals options
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = 'this is a very long string';",
+            options: [29, { ignoreStrings: false, ignoreTemplateLiterals: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 39, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = /this is a very very long pattern/;",
+            options: [29, { ignoreStrings: false, ignoreRegExpLiterals: false }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 45, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = new RegExp('this is a very very long pattern');",
+            options: [29, { ignoreStrings: false, ignoreRegExpLiterals: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 57, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = \"this is a very long string\";",
+            options: [29, { ignoreStrings: false, ignoreTemplateLiterals: true }],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 39, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = `this is a very long string`;",
+            options: [29, { ignoreStrings: false, ignoreTemplateLiterals: false }],
+            parserOptions,
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 39, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = veryLongIdentifier;\nvar bar = `this is a very long string\nand this is another line that is very long`;",
+            options: [29, { ignoreStrings: false, ignoreTemplateLiterals: false }],
+            parserOptions,
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 37, maxLength: 29 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                },
+                {
+                    messageId: "max",
+                    data: { lineLength: 44, maxLength: 29 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var foo = <div>this is a very very very long string</div>;",
+            options: [29, 4, { ignoreStrings: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 58, maxLength: 29 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Multi-code-point unicode glyphs
+        {
+            code: "'🙁😁😟☹️😣😖😩😱👎'",
+            options: [10],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 12, maxLength: 10 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        {
+            code: "a",
+            options: [0],
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 1, maxLength: 0 },
+                    type: "Program",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/12213
+        {
+            code: "var jsx = (<>\n" +
+                  "  { /* this line has 38 characters */}\n" +
+                  "</>)",
+            options: [15, { comments: 37 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 38, maxCommentLength: 37 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "\t\t{ /* this line has 40 characters */}\n" +
+                  "</>)",
+            options: [15, 4, { comments: 40 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "maxComment",
+                    data: { lineLength: 44, maxCommentLength: 40 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "{ 38/* this line has 38 characters */}\n" +
+                  "</>)",
+            options: [15, { comments: 38 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 38, maxLength: 15 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "{ 38/* this line has 38 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 38, maxLength: 37 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "{ 38/* this line has 38 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 38, maxLength: 37 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "   <> 50 </>{ 50/* this line has 50 characters */}\n" +
+                  "</>)",
+            options: [49, { comments: 100 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 50, maxLength: 49 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "         {/* this line has 44 characters */}\n" +
+                  "  <> </> {/* this line has 44 characters */}\n" +
+                  "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 44, maxLength: 37 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = {a && b/* this line has 57 characters */}\n" +
+                  "></Foo>;",
+            options: [56],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 57, maxLength: 56 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = {/* this line has 57 characters */a && b}\n" +
+                  "></Foo>;",
+            options: [56],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 57, maxLength: 56 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = {a & b/* this line has 56 characters */}\n" +
+                  "></Foo>;",
+            options: [55, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 56, maxLength: 55 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = <Foo\n" +
+                  "         attr = \n" +
+                  "          {a & b /* this line has 51 characters */}\n" +
+                  "></Foo>;",
+            options: [30, { comments: 44 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 51, maxLength: 30 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  {/* this line has 37 characters */}\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 80 characters */}\n" +
+                  "</>)",
+            options: [79],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 80, maxLength: 79 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 87 characters */} <> </>\n" +
+                  "</>)",
+            options: [85, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 87, maxLength: 85 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                 "  {/* this line has 37 characters */}\n" +
+                 "  <> </> {/* this line with two separate comments */} {/* have 87 characters */} <> </>\n" +
+                  "</>)",
+            options: [37, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 87, maxLength: 37 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/* this line has 37 characters */}\n" +
+                "  <> </> {/* this line with two separate comments */} {/* have > 80 characters */ /* another comment in same braces */}\n" +
+                "</>)",
+            options: [37],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 119, maxLength: 37 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/* this line has 37 characters */}\n" +
+                "  <> </> {/* this is not treated as a comment */ a & b} {/* trailing */ /* comments */}\n" +
+                "</>)",
+            options: [37, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 55, maxLength: 37 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                "  {/* this line has 37 characters */}\n" +
+                "  <> </> {/* this is not treated as a comment */ a & b} {/* trailing */ /* comments */}\n" +
+                "</>)",
+            options: [37, { ignoreComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 55, maxLength: 37 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "12345678901234{/*\n" +
+                  "*/}\n" +
+                  "</>)",
+            options: [14, { ignoreTrailingComments: true }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 15, maxLength: 14 },
+                    type: "Program",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var jsx = (<>\n" +
+                  "{/*\n" +
+                  "this line has 31 characters */}\n" +
+                  "</>)",
+            options: [30, { comments: 100 }],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "max",
+                    data: { lineLength: 31, maxLength: 30 },
+                    type: "Program",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-lines-per-function.js b/eslint/tests/lib/rules/max-lines-per-function.js
new file mode 100644
index 0000000..9107cd6
--- /dev/null
+++ b/eslint/tests/lib/rules/max-lines-per-function.js
@@ -0,0 +1,440 @@
+/**
+ * @fileoverview Tests for max-lines-per-function rule.
+ * @author Pete Ward <peteward44@gmail.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/max-lines-per-function");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("max-lines-per-function", rule, {
+    valid: [
+
+        // Test code in global scope doesn't count
+        {
+            code: "var x = 5;\nvar x = 2;\n",
+            options: [1]
+        },
+
+        // Test single line standalone function
+        {
+            code: "function name() {}",
+            options: [1]
+        },
+
+        // Test standalone function with lines of code
+        {
+            code: "function name() {\nvar x = 5;\nvar x = 2;\n}",
+            options: [4]
+        },
+
+        // Test inline arrow function
+        {
+            code: "const bar = () => 2",
+            options: [1]
+        },
+
+        // Test arrow function
+        {
+            code: "const bar = () => {\nconst x = 2 + 1;\nreturn x;\n}",
+            options: [4]
+        },
+
+        // skipBlankLines: false with simple standalone function
+        {
+            code: "function name() {\nvar x = 5;\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 7, skipComments: false, skipBlankLines: false }]
+        },
+
+        // skipBlankLines: true with simple standalone function
+        {
+            code: "function name() {\nvar x = 5;\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 4, skipComments: false, skipBlankLines: true }]
+        },
+
+        // skipComments: true with an individual single line comment
+        {
+            code: "function name() {\nvar x = 5;\nvar x = 2; // end of line comment\n}",
+            options: [{ max: 4, skipComments: true, skipBlankLines: false }]
+        },
+
+        // skipComments: true with an individual single line comment
+        {
+            code: "function name() {\nvar x = 5;\n// a comment on it's own line\nvar x = 2; // end of line comment\n}",
+            options: [{ max: 4, skipComments: true, skipBlankLines: false }]
+        },
+
+        // skipComments: true with single line comments
+        {
+            code: "function name() {\nvar x = 5;\n// a comment on it's own line\n// and another line comment\nvar x = 2; // end of line comment\n}",
+            options: [{ max: 4, skipComments: true, skipBlankLines: false }]
+        },
+
+        // skipComments: true test with multiple different comment types
+        {
+            code: "function name() {\nvar x = 5;\n/* a \n multi \n line \n comment \n*/\n\nvar x = 2; // end of line comment\n}",
+            options: [{ max: 5, skipComments: true, skipBlankLines: false }]
+        },
+
+        // skipComments: true with multiple different comment types, including trailing and leading whitespace
+        {
+            code: "function name() {\nvar x = 5;\n\t/* a comment with leading whitespace */\n/* a comment with trailing whitespace */\t\t\n\t/* a comment with trailing and leading whitespace */\t\t\n/* a \n multi \n line \n comment \n*/\t\t\n\nvar x = 2; // end of line comment\n}",
+            options: [{ max: 5, skipComments: true, skipBlankLines: false }]
+        },
+
+        // Multiple params on separate lines test
+        {
+            code: `function foo(
+    aaa = 1,
+    bbb = 2,
+    ccc = 3
+) {
+    return aaa + bbb + ccc
+}`,
+            options: [{ max: 7, skipComments: true, skipBlankLines: false }]
+        },
+
+        // IIFE validity test
+        {
+            code: `(
+function
+()
+{
+}
+)
+()`,
+            options: [{ max: 4, skipComments: true, skipBlankLines: false, IIFEs: true }]
+        },
+
+        // Nested function validity test
+        {
+            code: `function parent() {
+var x = 0;
+function nested() {
+    var y = 0;
+    x = 2;
+}
+if ( x === y ) {
+    x++;
+}
+}`,
+            options: [{ max: 10, skipComments: true, skipBlankLines: false }]
+        },
+
+        // Class method validity test
+        {
+            code: `class foo {
+    method() {
+        let y = 10;
+        let x = 20;
+        return y + x;
+    }
+}`,
+            options: [{ max: 5, skipComments: true, skipBlankLines: false }]
+        },
+
+        // IIFEs should be recognised if IIFEs: true
+        {
+            code: `(function(){
+    let x = 0;
+    let y = 0;
+    let z = x + y;
+    let foo = {};
+    return bar;
+}());`,
+            options: [{ max: 7, skipComments: true, skipBlankLines: false, IIFEs: true }]
+        },
+
+        // IIFEs should not be recognised if IIFEs: false
+        {
+            code: `(function(){
+    let x = 0;
+    let y = 0;
+    let z = x + y;
+    let foo = {};
+    return bar;
+}());`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false, IIFEs: false }]
+        }
+    ],
+
+    invalid: [
+
+        // Test simple standalone function is recognised
+        {
+            code: "function name() {\n}",
+            options: [1],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 2, maxLines: 1 } }
+            ]
+        },
+
+        // Test anonymous function assigned to variable is recognised
+        {
+            code: "var func = function() {\n}",
+            options: [1],
+            errors: [
+                { messageId: "exceed", data: { name: "Function", lineCount: 2, maxLines: 1 } }
+            ]
+        },
+
+        // Test arrow functions are recognised
+        {
+            code: "const bar = () => {\nconst x = 2 + 1;\nreturn x;\n}",
+            options: [3],
+            errors: [
+                { messageId: "exceed", data: { name: "Arrow function", lineCount: 4, maxLines: 3 } }
+            ]
+        },
+
+        // Test inline arrow functions are recognised
+        {
+            code: "const bar = () =>\n 2",
+            options: [1],
+            errors: [
+                { messageId: "exceed", data: { name: "Arrow function", lineCount: 2, maxLines: 1 } }
+            ]
+        },
+
+        // Test that option defaults work as expected
+        {
+            code: `() => {${"foo\n".repeat(60)}}`,
+            options: [{}],
+            errors: [
+                { messageId: "exceed", data: { name: "Arrow function", lineCount: 61, maxLines: 50 } }
+            ]
+        },
+
+        // Test skipBlankLines: false
+        {
+            code: "function name() {\nvar x = 5;\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 6, skipComments: false, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 7, maxLines: 6 } }
+            ]
+        },
+
+        // Test skipBlankLines: false with CRLF line endings
+        {
+            code: "function name() {\r\nvar x = 5;\r\n\t\r\n \r\n\r\nvar x = 2;\r\n}",
+            options: [{ max: 6, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 7, maxLines: 6 } }
+            ]
+        },
+
+        // Test skipBlankLines: true
+        {
+            code: "function name() {\nvar x = 5;\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 2, skipComments: true, skipBlankLines: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 4, maxLines: 2 } }
+            ]
+        },
+
+        // Test skipBlankLines: true with CRLF line endings
+        {
+            code: "function name() {\r\nvar x = 5;\r\n\t\r\n \r\n\r\nvar x = 2;\r\n}",
+            options: [{ max: 2, skipComments: true, skipBlankLines: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 4, maxLines: 2 } }
+            ]
+        },
+
+        // Test skipComments: true and skipBlankLines: false for multiple types of comment
+        {
+            code: "function name() { // end of line comment\nvar x = 5; /* mid line comment */\n\t// single line comment taking up whole line\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 6, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 7, maxLines: 6 } }
+            ]
+        },
+
+        // Test skipComments: true and skipBlankLines: true for multiple types of comment
+        {
+            code: "function name() { // end of line comment\nvar x = 5; /* mid line comment */\n\t// single line comment taking up whole line\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 1, skipComments: true, skipBlankLines: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 4, maxLines: 1 } }
+            ]
+        },
+
+        // Test skipComments: false and skipBlankLines: true for multiple types of comment
+        {
+            code: "function name() { // end of line comment\nvar x = 5; /* mid line comment */\n\t// single line comment taking up whole line\n\t\n \n\nvar x = 2;\n}",
+            options: [{ max: 1, skipComments: false, skipBlankLines: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'name'", lineCount: 5, maxLines: 1 } }
+            ]
+        },
+
+        // Test simple standalone function with params on separate lines
+        {
+            code: `function foo(
+    aaa = 1,
+    bbb = 2,
+    ccc = 3
+) {
+    return aaa + bbb + ccc
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'foo'", lineCount: 7, maxLines: 2 } }
+            ]
+        },
+
+        // Test IIFE "function" keyword is included in the count
+        {
+            code: `(
+function
+()
+{
+}
+)
+()`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false, IIFEs: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function", lineCount: 4, maxLines: 2 } }
+            ]
+        },
+
+        // Test nested functions are included in it's parent's function count.
+        {
+            code: `function parent() {
+var x = 0;
+function nested() {
+    var y = 0;
+    x = 2;
+}
+if ( x === y ) {
+    x++;
+}
+}`,
+            options: [{ max: 9, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'parent'", lineCount: 10, maxLines: 9 } }
+            ]
+        },
+
+        // Test nested functions are included in it's parent's function count.
+        {
+            code: `function parent() {
+var x = 0;
+function nested() {
+    var y = 0;
+    x = 2;
+}
+if ( x === y ) {
+    x++;
+}
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function 'parent'", lineCount: 10, maxLines: 2 } },
+                { messageId: "exceed", data: { name: "Function 'nested'", lineCount: 4, maxLines: 2 } }
+            ]
+        },
+
+        // Test regular methods are recognised
+        {
+            code: `class foo {
+    method() {
+        let y = 10;
+        let x = 20;
+        return y + x;
+    }
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Method 'method'", lineCount: 5, maxLines: 2 } }
+            ]
+        },
+
+        // Test static methods are recognised
+        {
+            code: `class A {
+    static
+    foo
+    (a) {
+        return a
+    }
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Static method 'foo'", lineCount: 5, maxLines: 2 } }
+            ]
+        },
+
+        // Test getters are recognised as properties
+        {
+            code: `var obj = {
+    get
+    foo
+    () {
+        return 1
+    }
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Getter 'foo'", lineCount: 5, maxLines: 2 } }
+            ]
+        },
+
+        // Test setters are recognised as properties
+        {
+            code: `var obj = {
+    set
+    foo
+    ( val ) {
+        this._foo = val;
+    }
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Setter 'foo'", lineCount: 5, maxLines: 2 } }
+            ]
+        },
+
+        // Test computed property names
+        {
+            code: `class A {
+    static
+    [
+        foo +
+            bar
+    ]
+    (a) {
+        return a
+    }
+}`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false }],
+            errors: [
+                { messageId: "exceed", data: { name: "Static method", lineCount: 8, maxLines: 2 } }
+            ]
+        },
+
+        // Test the IIFEs option includes IIFEs
+        {
+            code: `(function(){
+    let x = 0;
+    let y = 0;
+    let z = x + y;
+    let foo = {};
+    return bar;
+}());`,
+            options: [{ max: 2, skipComments: true, skipBlankLines: false, IIFEs: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function", lineCount: 7, maxLines: 2 } }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-lines.js b/eslint/tests/lib/rules/max-lines.js
new file mode 100644
index 0000000..2929551
--- /dev/null
+++ b/eslint/tests/lib/rules/max-lines.js
@@ -0,0 +1,163 @@
+/**
+ * @fileoverview enforce a maximum file length
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-lines"),
+
+    { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-lines", rule, {
+    valid: [
+        "var x;",
+        "var xy;\nvar xy;",
+        { code: "var xy;\nvar xy;", options: [2] },
+        { code: "var xy;\nvar xy;", options: [{ max: 2 }] },
+        {
+            code: [
+                "//a single line comment",
+                "var xy;",
+                "var xy;",
+                " /* a multiline",
+                " really really",
+                " long comment*/ "
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }]
+        },
+        {
+            code: [
+                "var x; /* inline comment",
+                " spanning multiple lines */ var z;"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }]
+        },
+        {
+            code: [
+                "var x; /* inline comment",
+                " spanning multiple lines */",
+                "var z;"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }]
+        },
+        {
+            code: [
+                "var x;",
+                "",
+                "\t",
+                "\t  ",
+                "var y;"
+            ].join("\n"),
+            options: [{ max: 2, skipBlankLines: true }]
+        },
+        {
+            code: [
+                "//a single line comment",
+                "var xy;",
+                " ",
+                "var xy;",
+                " ",
+                " /* a multiline",
+                " really really",
+                " long comment*/"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true, skipBlankLines: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "var xyz;\nvar xyz;\nvar xyz;",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 3 } }]
+        },
+        {
+            code: "/* a multiline comment\n that goes to many lines*/\nvar xy;\nvar xy;",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 4 } }]
+        },
+        {
+            code: "//a single line comment\nvar xy;\nvar xy;",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 3 } }]
+        },
+        {
+            code: [
+                "var x;",
+                "",
+                "",
+                "",
+                "var y;"
+            ].join("\n"),
+            options: [{ max: 2 }],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 5 } }]
+        },
+        {
+            code: [
+                "//a single line comment",
+                "var xy;",
+                " ",
+                "var xy;",
+                " ",
+                " /* a multiline",
+                " really really",
+                " long comment*/"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 4 } }]
+        },
+        {
+            code: [
+                "var x; // inline comment",
+                "var y;",
+                "var z;"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 3 } }]
+        },
+        {
+            code: [
+                "var x; /* inline comment",
+                " spanning multiple lines */",
+                "var y;",
+                "var z;"
+            ].join("\n"),
+            options: [{ max: 2, skipComments: true }],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 3 } }]
+        },
+        {
+            code: [
+                "//a single line comment",
+                "var xy;",
+                " ",
+                "var xy;",
+                " ",
+                " /* a multiline",
+                " really really",
+                " long comment*/"
+            ].join("\n"),
+            options: [{ max: 2, skipBlankLines: true }],
+            errors: [{ messageId: "exceed", data: { max: 2, actual: 6 } }]
+        },
+        {
+            code: "AAAAAAAA\n".repeat(301).trim(),
+            options: [{}],
+            errors: [{ messageId: "exceed", data: { max: 300, actual: 301 } }]
+        },
+        {
+            code: "A",
+            options: [{ max: 0 }],
+            errors: [{ messageId: "exceed", data: { max: 0, actual: 1 } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-nested-callbacks.js b/eslint/tests/lib/rules/max-nested-callbacks.js
new file mode 100644
index 0000000..2ea2def
--- /dev/null
+++ b/eslint/tests/lib/rules/max-nested-callbacks.js
@@ -0,0 +1,96 @@
+/**
+ * @fileoverview Tests for max-nested-callbacks rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-nested-callbacks"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const OPENING = "foo(function() {",
+    CLOSING = "});";
+
+/**
+ * Generates a code string with the specified number of nested callbacks.
+ * @param {int} times The number of times to nest the callbacks.
+ * @returns {string} Code with the specified number of nested callbacks
+ * @private
+ */
+function nestFunctions(times) {
+    let openings = "",
+        closings = "";
+
+    for (let i = 0; i < times; i++) {
+        openings += OPENING;
+        closings += CLOSING;
+    }
+    return openings + closings;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-nested-callbacks", rule, {
+    valid: [
+        { code: "foo(function() { bar(thing, function(data) {}); });", options: [3] },
+        { code: "var foo = function() {}; bar(function(){ baz(function() { qux(foo); }) });", options: [2] },
+        { code: "fn(function(){}, function(){}, function(){});", options: [2] },
+        { code: "fn(() => {}, function(){}, function(){});", options: [2], parserOptions: { ecmaVersion: 6 } },
+        nestFunctions(10),
+
+        // object property options
+        { code: "foo(function() { bar(thing, function(data) {}); });", options: [{ max: 3 }] }
+    ],
+    invalid: [
+        {
+            code: "foo(function() { bar(thing, function(data) { baz(function() {}); }); });",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { num: 3, max: 2 }, type: "FunctionExpression" }]
+        },
+        {
+            code: "foo(function() { bar(thing, (data) => { baz(function() {}); }); });",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "exceed", data: { num: 3, max: 2 }, type: "FunctionExpression" }]
+        },
+        {
+            code: "foo(() => { bar(thing, (data) => { baz( () => {}); }); });",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "exceed", data: { num: 3, max: 2 }, type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "foo(function() { if (isTrue) { bar(function(data) { baz(function() {}); }); } });",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { num: 3, max: 2 }, type: "FunctionExpression" }]
+        },
+        {
+            code: nestFunctions(11),
+            errors: [{ messageId: "exceed", data: { num: 11, max: 10 }, type: "FunctionExpression" }]
+        },
+        {
+            code: nestFunctions(11),
+            options: [{}],
+            errors: [{ messageId: "exceed", data: { num: 11, max: 10 }, type: "FunctionExpression" }]
+        },
+        {
+            code: "foo(function() {})",
+            options: [{ max: 0 }],
+            errors: [{ messageId: "exceed", data: { num: 1, max: 0 } }]
+        },
+
+        // object property options
+        {
+            code: "foo(function() { bar(thing, function(data) { baz(function() {}); }); });",
+            options: [{ max: 2 }],
+            errors: [{ messageId: "exceed", data: { num: 3, max: 2 }, type: "FunctionExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-params.js b/eslint/tests/lib/rules/max-params.js
new file mode 100644
index 0000000..d5e1bf7
--- /dev/null
+++ b/eslint/tests/lib/rules/max-params.js
@@ -0,0 +1,128 @@
+/**
+ * @fileoverview Tests for max-params rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-params"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-params", rule, {
+    valid: [
+        "function test(d, e, f) {}",
+        { code: "var test = function(a, b, c) {};", options: [3] },
+        { code: "var test = (a, b, c) => {};", options: [3], parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = function test(a, b, c) {};", options: [3] },
+
+        // object property options
+        { code: "var test = function(a, b, c) {};", options: [{ max: 3 }] }
+    ],
+    invalid: [
+        {
+            code: "function test(a, b, c) {}",
+            options: [2],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 3, max: 2.0 },
+                type: "FunctionDeclaration"
+            }]
+        },
+        {
+            code: "function test(a, b, c, d) {}",
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 4, max: 3.0 },
+                type: "FunctionDeclaration"
+            }]
+        },
+        {
+            code: "var test = function(a, b, c, d) {};",
+            options: [3],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function", count: 4, max: 3.0 },
+                type: "FunctionExpression"
+            }]
+        },
+        {
+            code: "var test = (a, b, c, d) => {};",
+            options: [3],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Arrow function", count: 4, max: 3.0 },
+                type: "ArrowFunctionExpression"
+            }]
+        },
+        {
+            code: "(function(a, b, c, d) {});",
+            options: [3],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function", count: 4, max: 3.0 },
+                type: "FunctionExpression"
+            }]
+        },
+        {
+            code: "var test = function test(a, b, c) {};",
+            options: [1],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 3, max: 1.0 },
+                type: "FunctionExpression"
+            }]
+        },
+
+        // object property options
+        {
+            code: "function test(a, b, c) {}",
+            options: [{ max: 2 }],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 3, max: 2.0 },
+                type: "FunctionDeclaration"
+            }]
+        },
+        {
+            code: "function test(a, b, c, d) {}",
+            options: [{}],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 4, max: 3 }
+            }]
+        },
+        {
+            code: "function test(a) {}",
+            options: [{ max: 0 }],
+            errors: [{
+                messageId: "exceed",
+                data: { name: "Function 'test'", count: 1, max: 0 }
+            }]
+        },
+
+        // Error location should not cover the entire function; just the name.
+        {
+            code: `function test(a, b, c) {
+              // Just to make it longer
+            }`,
+            options: [{ max: 2 }],
+            errors: [{
+                line: 1,
+                column: 1,
+                endLine: 1,
+                endColumn: 14
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-statements-per-line.js b/eslint/tests/lib/rules/max-statements-per-line.js
new file mode 100644
index 0000000..2d33891
--- /dev/null
+++ b/eslint/tests/lib/rules/max-statements-per-line.js
@@ -0,0 +1,160 @@
+/**
+ * @fileoverview Tests for max-statements-per-line rule.
+ * @author Kenneth Williams
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-statements-per-line"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-statements-per-line", rule, {
+    valid: [
+        { code: "{ }", options: [{ max: 1 }] },
+        "var bar = 1;",
+        { code: "var bar = 1;", options: [{ max: 1 }] },
+        "var bar = 1;;",
+        ";(function foo() {\n})()",
+        { code: "if (condition) var bar = 1;", options: [{ max: 1 }] },
+        { code: "if (condition) { }", options: [{ max: 1 }] },
+        { code: "if (condition) { } else { }", options: [{ max: 1 }] },
+        { code: "if (condition) {\nvar bar = 1;\n} else {\nvar bar = 1;\n}", options: [{ max: 1 }] },
+        { code: "for (var i = 0; i < length; ++i) { }", options: [{ max: 1 }] },
+        { code: "for (var i = 0; i < length; ++i) {\nvar bar  = 1;\n}", options: [{ max: 1 }] },
+        { code: "switch (discriminant) { default: }", options: [{ max: 1 }] },
+        { code: "switch (discriminant) {\ndefault: break;\n}", options: [{ max: 1 }] },
+        { code: "function foo() { }", options: [{ max: 1 }] },
+        { code: "function foo() {\nif (condition) var bar = 1;\n}", options: [{ max: 1 }] },
+        { code: "function foo() {\nif (condition) {\nvar bar = 1;\n}\n}", options: [{ max: 1 }] },
+        { code: "(function() { })();", options: [{ max: 1 }] },
+        { code: "(function() {\nvar bar = 1;\n})();", options: [{ max: 1 }] },
+        { code: "var foo = function foo() { };", options: [{ max: 1 }] },
+        { code: "var foo = function foo() {\nvar bar = 1;\n};", options: [{ max: 1 }] },
+        { code: "var foo = { prop: () => { } };", options: [{ max: 1 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var bar = 1; var baz = 2;", options: [{ max: 2 }] },
+        { code: "if (condition) { var bar = 1; }", options: [{ max: 2 }] },
+        { code: "if (condition) {\nvar bar = 1; var baz = 2;\n} else {\nvar bar = 1; var baz = 2;\n}", options: [{ max: 2 }] },
+        { code: "for (var i = 0; i < length; ++i) { var bar = 1; }", options: [{ max: 2 }] },
+        { code: "for (var i = 0; i < length; ++i) {\nvar bar = 1; var baz = 2;\n}", options: [{ max: 2 }] },
+        { code: "switch (discriminant) { default: break; }", options: [{ max: 2 }] },
+        { code: "switch (discriminant) {\ncase 'test': var bar = 1; break;\ndefault: var bar = 1; break;\n}", options: [{ max: 2 }] },
+        { code: "function foo() { var bar = 1; }", options: [{ max: 2 }] },
+        { code: "function foo() {\nvar bar = 1; var baz = 2;\n}", options: [{ max: 2 }] },
+        { code: "function foo() {\nif (condition) { var bar = 1; }\n}", options: [{ max: 2 }] },
+        { code: "function foo() {\nif (condition) {\nvar bar = 1; var baz = 2;\n}\n}", options: [{ max: 2 }] },
+        { code: "(function() { var bar = 1; })();", options: [{ max: 2 }] },
+        { code: "(function() {\nvar bar = 1; var baz = 2;\n})();", options: [{ max: 2 }] },
+        { code: "var foo = function foo() { var bar = 1; };", options: [{ max: 2 }] },
+        { code: "var foo = function foo() {\nvar bar = 1; var baz = 2;\n};", options: [{ max: 2 }] },
+        { code: "var foo = { prop: () => { var bar = 1; } };", options: [{ max: 2 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var bar = 1; var baz = 2; var qux = 3;", options: [{ max: 3 }] },
+        { code: "if (condition) { var bar = 1; var baz = 2; }", options: [{ max: 3 }] },
+        { code: "if (condition) { var bar = 1; } else { var bar = 1; }", options: [{ max: 3 }] },
+        { code: "switch (discriminant) { case 'test1': ; case 'test2': ; }", options: [{ max: 3 }] },
+        { code: "let bar = bar => { a; }, baz = baz => { b; };", options: [{ max: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo({[bar => { a; }]: baz = qux => { b; }}) { }", options: [{ max: 3 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "bar => { a; }, baz => { b; }, qux => { c; };", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "[bar => { a; }, baz => { b; }, qux => { c; }];", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "foo(bar => { a; }, baz => { c; }, qux => { c; });", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ bar: bar => { a; }, baz: baz => { c; }, qux: qux => { ; }});", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 } },
+        { code: "(bar => { a; }) ? (baz => { b; }) : (qux => { c; });", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 } },
+        {
+            code: [
+                "const name = 'ESLint'",
+                "",
+                ";(function foo() {",
+                "})()"
+            ].join("\n"),
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        [
+            "if (foo > 1)",
+            "    foo--;",
+            "else",
+            "    foo++;"
+        ].join("\n"),
+        {
+            code: "export default foo = 0;",
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: [
+                "export default function foo() {",
+                "   console.log('test');",
+                "}"
+            ].join("\n"),
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export let foo = 0;",
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: [
+                "export function foo() {",
+                "   console.log('test');",
+                "}"
+            ].join("\n"),
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        }
+    ],
+    invalid: [
+        { code: "var foo; var bar;", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "var bar = 1; var foo = 3;", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "var bar = 1; var baz = 2;", errors: [{ messageId: "exceed" }] },
+        { code: "var bar = 1; var baz = 2;", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) var bar = 1; if (condition) var baz = 2;", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) var bar = 1; else var baz = 1;", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) { } if (condition) { }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) { var bar = 1; } else { }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) { } else { var bar = 1; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "if (condition) { var bar = 1; } else { var bar = 1; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "for (var i = 0; i < length; ++i) { var bar = 1; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "switch (discriminant) { default: break; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "function foo() { var bar = 1; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "function foo() { if (condition) var bar = 1; }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "function foo() { if (condition) { var bar = 1; } }", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "(function() { var bar = 1; })();", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "var foo = function foo() { var bar = 1; };", options: [{ max: 1 }], errors: [{ messageId: "exceed" }] },
+        { code: "var foo = { prop: () => { var bar = 1; } };", options: [{ max: 1 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed" }] },
+        { code: "var bar = 1; var baz = 2; var qux = 3;", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "if (condition) { var bar = 1; var baz = 2; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "if (condition) { var bar = 1; } else { var bar = 1; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "if (condition) { var bar = 1; var baz = 2; } else { var bar = 1; var baz = 2; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "for (var i = 0; i < length; ++i) { var bar = 1; var baz = 2; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "switch (discriminant) { case 'test': break; default: break; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "function foo() { var bar = 1; var baz = 2; }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "function foo() { if (condition) { var bar = 1; } }", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "(function() { var bar = 1; var baz = 2; })();", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "var foo = function foo() { var bar = 1; var baz = 2; };", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "var foo = { prop: () => { var bar = 1; var baz = 2; } };", options: [{ max: 2 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 3, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "var bar = 1; var baz = 2; var qux = 3; var waldo = 4;", options: [{ max: 3 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 4, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "if (condition) { var bar = 1; var baz = 2; var qux = 3; }", options: [{ max: 3 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 4, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "if (condition) { var bar = 1; var baz = 2; } else { var bar = 1; var baz = 2; }", options: [{ max: 3 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "switch (discriminant) { case 'test': var bar = 1; break; default: var bar = 1; break; }", options: [{ max: 3 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "let bar = bar => { a; }, baz = baz => { b; }, qux = qux => { c; };", options: [{ max: 3 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 4, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "(bar => { a; }) ? (baz => { b; }) : (qux => { c; });", options: [{ max: 3 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 4, statements: "statements", maxStatementsPerLine: 3.0 } }] },
+        { code: "bar => { a; }, baz => { b; }, qux => { c; }, quux => { d; };", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 4.0 } }] },
+        { code: "[bar => { a; }, baz => { b; }, qux => { c; }, quux => { d; }];", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 4.0 } }] },
+        { code: "foo(bar => { a; }, baz => { b; }, qux => { c; }, quux => { d; });", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 4.0 } }] },
+        { code: "({ bar: bar => { a; }, baz: baz => { b; }, qux: qux => { c; }, quux: quux => { d; }});", options: [{ max: 4 }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 5, statements: "statements", maxStatementsPerLine: 4.0 } }] },
+        { code: "a; if (b) { c; d; }\nz;", options: [{ max: 2 }], errors: [{ messageId: "exceed", data: { numberOfStatementsOnThisLine: 4, statements: "statements", maxStatementsPerLine: 2.0 } }] },
+        { code: "export default function foo() { console.log('test') }", options: [{ max: 1 }], parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [{ messageId: "exceed" }] },
+        { code: "export function foo() { console.log('test') }", options: [{ max: 1 }], parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [{ messageId: "exceed" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/max-statements.js b/eslint/tests/lib/rules/max-statements.js
new file mode 100644
index 0000000..fa3d3d1
--- /dev/null
+++ b/eslint/tests/lib/rules/max-statements.js
@@ -0,0 +1,148 @@
+/**
+ * @fileoverview Tests for max-statements rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/max-statements"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("max-statements", rule, {
+    valid: [
+        { code: "function foo() { var bar = 1; function qux () { var noCount = 2; } return 3; }", options: [3] },
+        { code: "function foo() { var bar = 1; if (true) { for (;;) { var qux = null; } } else { quxx(); } return 3; }", options: [6] },
+        { code: "function foo() { var x = 5; function bar() { var y = 6; } bar(); z = 10; baz(); }", options: [5] },
+        "function foo() { var a; var b; var c; var x; var y; var z; bar(); baz(); qux(); quxx(); }",
+        { code: "(function() { var bar = 1; return function () { return 42; }; })()", options: [1, { ignoreTopLevelFunctions: true }] },
+        { code: "function foo() { var bar = 1; var baz = 2; }", options: [1, { ignoreTopLevelFunctions: true }] },
+        { code: "define(['foo', 'qux'], function(foo, qux) { var bar = 1; var baz = 2; })", options: [1, { ignoreTopLevelFunctions: true }] },
+
+        // object property options
+        { code: "var foo = { thing: function() { var bar = 1; var baz = 2; } }", options: [2] },
+        { code: "var foo = { thing() { var bar = 1; var baz = 2; } }", options: [2], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = { ['thing']() { var bar = 1; var baz = 2; } }", options: [2], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = { thing: () => { var bar = 1; var baz = 2; } }", options: [2], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = { thing: function() { var bar = 1; var baz = 2; } }", options: [{ max: 2 }] }
+    ],
+    invalid: [
+        {
+            code: "function foo() { var bar = 1; var baz = 2; var qux = 3; }",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "3", max: 2 } }]
+        },
+        {
+            code: "var foo = () => { var bar = 1; var baz = 2; var qux = 3; };",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "exceed", data: { name: "Arrow function", count: "3", max: 2 } }]
+        },
+        {
+            code: "var foo = function() { var bar = 1; var baz = 2; var qux = 3; };",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { name: "Function", count: "3", max: 2 } }]
+        },
+        {
+            code: "function foo() { var bar = 1; if (true) { while (false) { var qux = null; } } return 3; }",
+            options: [4],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "5", max: 4 } }]
+        },
+        {
+            code: "function foo() { var bar = 1; if (true) { for (;;) { var qux = null; } } return 3; }",
+            options: [4],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "5", max: 4 } }]
+        },
+        {
+            code: "function foo() { var bar = 1; if (true) { for (;;) { var qux = null; } } else { quxx(); } return 3; }",
+            options: [5],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "6", max: 5 } }]
+        },
+        {
+            code: "function foo() { var x = 5; function bar() { var y = 6; } bar(); z = 10; baz(); }",
+            options: [3],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "5", max: 3 } }]
+        },
+        {
+            code: "function foo() { var x = 5; function bar() { var y = 6; } bar(); z = 10; baz(); }",
+            options: [4],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "5", max: 4 } }]
+        },
+        {
+            code: ";(function() { var bar = 1; return function () { var z; return 42; }; })()",
+            options: [1, { ignoreTopLevelFunctions: true }],
+            errors: [{ messageId: "exceed", data: { name: "Function", count: "2", max: 1 } }]
+        },
+        {
+            code: ";(function() { var bar = 1; var baz = 2; })(); (function() { var bar = 1; var baz = 2; })()",
+            options: [1, { ignoreTopLevelFunctions: true }],
+            errors: [
+                { messageId: "exceed", data: { name: "Function", count: "2", max: 1 } },
+                { messageId: "exceed", data: { name: "Function", count: "2", max: 1 } }
+            ]
+        },
+        {
+            code: "define(['foo', 'qux'], function(foo, qux) { var bar = 1; var baz = 2; return function () { var z; return 42; }; })",
+            options: [1, { ignoreTopLevelFunctions: true }],
+            errors: [{ messageId: "exceed", data: { name: "Function", count: "2", max: 1 } }]
+        },
+        {
+            code: "function foo() { var a; var b; var c; var x; var y; var z; bar(); baz(); qux(); quxx(); foo(); }",
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: "11", max: 10 } }]
+        },
+
+        // object property options
+        {
+            code: "var foo = { thing: function() { var bar = 1; var baz = 2; var baz2; } }",
+            options: [2],
+            errors: [{ messageId: "exceed", data: { name: "Method 'thing'", count: "3", max: 2 } }]
+        },
+        {
+            code: "var foo = { thing() { var bar = 1; var baz = 2; var baz2; } }",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "exceed", data: { name: "Method 'thing'", count: "3", max: 2 } }]
+        },
+
+        /*
+         * TODO decide if we want this or not
+         * {
+         *     code: "var foo = { ['thing']() { var bar = 1; var baz = 2; var baz2; } }",
+         *     options: [2],
+         *     parserOptions: { ecmaVersion: 6 },
+         *     errors: [{ messageId: "exceed", data: {name: "Method ''thing''", count: "3", max: 2} }]
+         * },
+         */
+
+        {
+            code: "var foo = { thing: () => { var bar = 1; var baz = 2; var baz2; } }",
+            options: [2],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "exceed", data: { name: "Arrow function 'thing'", count: "3", max: 2 } }]
+        },
+        {
+            code: "var foo = { thing: function() { var bar = 1; var baz = 2; var baz2; } }",
+            options: [{ max: 2 }],
+            errors: [{ messageId: "exceed", data: { name: "Method 'thing'", count: "3", max: 2 } }]
+        },
+        {
+            code: "function foo() { 1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; }",
+            options: [{}],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: 11, max: 10 } }]
+        },
+        {
+            code: "function foo() { 1; }",
+            options: [{ max: 0 }],
+            errors: [{ messageId: "exceed", data: { name: "Function 'foo'", count: 1, max: 0 } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/multiline-comment-style.js b/eslint/tests/lib/rules/multiline-comment-style.js
new file mode 100644
index 0000000..6c8d469
--- /dev/null
+++ b/eslint/tests/lib/rules/multiline-comment-style.js
@@ -0,0 +1,1478 @@
+/**
+ * @fileoverview enforce a particular style for multiline comments
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/multiline-comment-style");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("multiline-comment-style", rule, {
+
+    valid: [
+        `
+            /*
+             * this is
+             * a comment
+             */
+        `,
+        `
+            /**
+             * this is
+             * a JSDoc comment
+             */
+        `,
+        `
+            /* eslint semi: [
+              "error"
+            ] */
+        `,
+        `
+            // this is a single-line comment
+        `,
+        `
+            /* foo */
+        `,
+        `
+            // this is a comment
+            foo();
+            // this is another comment
+        `,
+        `
+            /*
+             * Function overview
+             * ...
+             */
+
+            // Step 1: Do the first thing
+            foo();
+        `,
+        `
+            /*
+             * Function overview
+             * ...
+             */
+
+            /*
+             * Step 1: Do the first thing.
+             * The first thing is foo().
+             */
+            foo();
+        `,
+        "\t\t/**\n\t\t * this comment\n\t\t * is tab-aligned\n\t\t */",
+
+        "/**\r\n * this comment\r\n * uses windows linebreaks\r\n */",
+
+        "/**\u2029 * this comment\u2029 * uses paragraph separators\u2029 */",
+
+        `
+            foo(/* this is an
+                inline comment */);
+        `,
+
+        `
+            // The following line comment
+            // contains '*/'.
+        `,
+        {
+            code: `
+                // The following line comment
+                // contains '*/'.
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+                 * this is
+                 * a comment
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /**
+                 * this is
+                 * a JSDoc comment
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /* eslint semi: [
+                  "error"
+                ] */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                // this is a single-line comment
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /* foo */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /* foo */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+                   foo */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+                   foo
+                */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+              foo */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+            foo
+        */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                // this is
+                // a comment
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                /* this is
+                   a comment */ foo;
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                // a comment
+
+                // another comment
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                // a comment
+
+                // another comment
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                // a comment
+
+                // another comment
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /* eslint semi: "error" */
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                /**
+                 * This is
+                 * a JSDoc comment
+                 */
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                /**
+                 * This is
+                 * a JSDoc comment
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /**
+                 * This is
+                 * a JSDoc comment
+                 */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /* This is
+                   a comment */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /* This is
+                         a comment */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /* eslint semi: [
+                    "error"
+                ] */
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                /* The value of 5
+                 + 4 is 9, and the value of 5
+                 * 4 is 20. */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /*
+                 *    foo
+                 *  bar
+                 *   baz
+                 * qux
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /*    foo
+                 *  bar
+                 *   baz
+                 * qux
+                 */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /**
+                 *    JSDoc blocks
+                 *  are
+                 *   ignored
+                 * !
+                 */
+            `,
+            options: ["bare-block"]
+        },
+        {
+            code: `
+                /**
+                 *    JSDoc blocks
+                 *  are
+                 *   ignored
+                 * !
+                 */
+            `,
+            options: ["starred-block"]
+        },
+        {
+            code: `
+                /**
+                 *    JSDoc blocks
+                 *  are
+                 *   ignored
+                 * !
+                 */
+            `,
+            options: ["separate-lines"]
+        },
+        {
+            code: `
+                /*
+                 * // a line comment
+                 *some.code();
+                 */
+            `,
+            options: ["starred-block"]
+        }
+    ],
+
+    invalid: [
+        {
+            code: `
+                // these are
+                // line comments
+            `,
+            output: `
+                /*
+                 * these are
+                 * line comments
+                 */
+            `,
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //foo
+                ///bar
+            `,
+            output: null,
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                // bar
+
+                // baz
+                // qux
+            `,
+            output: `
+                /*
+                 * foo
+                 * bar
+                 */
+
+                /*
+                 * baz
+                 * qux
+                 */
+            `,
+            errors: [{ messageId: "expectedBlock", line: 2 }, { messageId: "expectedBlock", line: 5 }]
+        },
+        {
+            code: `
+                //  foo
+                // bar
+                //    baz
+                // qux
+            `,
+            output: `
+                /*
+                 *  foo
+                 * bar
+                 *    baz
+                 * qux
+                 */
+            `,
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //  foo
+                //
+                //    baz
+                // qux
+            `,
+            output: `
+                /*
+                 *  foo
+                 *${" "}
+                 *    baz
+                 * qux
+                 */
+            `,
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //    foo
+                     // bar
+           //  baz
+                // qux
+            `,
+            output: `
+                /*
+                 *    foo
+                 * bar
+                 *  baz
+                 * qux
+                 */
+            `,
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                /* this block
+                 * is missing a newline at the start
+                 */
+            `,
+            output: `
+                /*
+                 * this block
+                 * is missing a newline at the start
+                 */
+            `,
+            errors: [{ messageId: "startNewline", line: 2 }]
+        },
+        {
+            code: `
+                /** this JSDoc comment
+                 * is missing a newline at the start
+                 */
+            `,
+            output: `
+                /**
+                 * this JSDoc comment
+                 * is missing a newline at the start
+                 */
+            `,
+            errors: [{ messageId: "startNewline", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                 * this block
+                 * is missing a newline at the end*/
+            `,
+            output: `
+                /*
+                 * this block
+                 * is missing a newline at the end
+                 */
+            `,
+            errors: [{ messageId: "endNewline", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                   is missing a '*' at the start
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 * is missing a '*' at the start
+                 */
+            `,
+            errors: [{ messageId: "missingStar", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                 is missing a '*' at the start
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 * is missing a '*' at the start
+                 */
+            `,
+            errors: [{ messageId: "missingStar", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                is missing a '*' at the start
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 * is missing a '*' at the start
+                 */
+            `,
+            errors: [{ messageId: "missingStar", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                      * has a '*' with the wrong offset at the start
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 * has a '*' with the wrong offset at the start
+                 */
+            `,
+            errors: [{ messageId: "alignment", line: 4 }]
+        },
+        {
+            code: `
+                  /*
+                   * the following line
+                 * has a '*' with the wrong offset at the start
+                   */
+            `,
+            output: `
+                  /*
+                   * the following line
+                   * has a '*' with the wrong offset at the start
+                   */
+            `,
+            errors: [{ messageId: "alignment", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the last line of this comment
+                 * is misaligned
+                   */
+            `,
+            output: `
+                /*
+                 * the last line of this comment
+                 * is misaligned
+                 */
+            `,
+            errors: [{ messageId: "alignment", line: 5 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                *
+                 * is blank
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 *
+                 * is blank
+                 */
+            `,
+            errors: [{ messageId: "alignment", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the following line
+                  *
+                 * is blank
+                 */
+            `,
+            output: `
+                /*
+                 * the following line
+                 *
+                 * is blank
+                 */
+            `,
+            errors: [{ messageId: "alignment", line: 4 }]
+        },
+        {
+            code: `
+                /*
+                 * the last line of this comment
+                 * is misaligned
+                   */ foo
+            `,
+            output: `
+                /*
+                 * the last line of this comment
+                 * is misaligned
+                 */ foo
+            `,
+            errors: [{ messageId: "alignment", line: 5 }]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 * bar
+                 */
+            `,
+            output: `
+                // foo
+                // bar
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                /* foo
+                 *bar
+                 baz
+                 qux*/
+            `,
+            output: `
+                // foo
+                // bar
+                // baz
+                // qux
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                // bar
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                //
+                // bar
+            `,
+            output: `
+                /* foo
+                ${" ".repeat(3)}
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //foo
+                //bar
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //   foo
+                //   bar
+            `,
+            output: `
+                /*   foo
+                     bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+              // bar
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                //    foo
+                     // bar
+           //  baz
+                // qux
+            `,
+            output: `
+                /*    foo
+                   bar
+                    baz
+                   qux */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                * foo
+                * bar
+                */
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                *foo
+                *bar
+                */
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                *   foo
+                *   bar
+                */
+            `,
+            output: `
+                /*   foo
+                     bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                * foo
+             * bar
+                */
+            `,
+            output: `
+                /* foo
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                 *    foo
+                 *  bar
+                 *   baz
+                 * qux
+                 */
+            `,
+            output: `
+                /*    foo
+                    bar
+                     baz
+                   qux */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                {
+                    "foo": 1,
+                    "bar": 2
+                }
+                */
+            `,
+            output: `
+                /*
+                 *{
+                 *    "foo": 1,
+                 *    "bar": 2
+                 *}
+                 */
+            `,
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        },
+        {
+            code: `
+                /*
+                {
+                \t"foo": 1,
+                \t"bar": 2
+                }
+                */
+            `,
+            output: `
+                /*
+                 *{
+                 *\t"foo": 1,
+                 *\t"bar": 2
+                 *}
+                 */
+            `,
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        },
+        {
+            code: `
+                /*
+                {
+                \t  "foo": 1,
+                \t  "bar": 2
+                }
+                */
+            `,
+            output: `
+                /*
+                 *{
+                 *\t  "foo": 1,
+                 *\t  "bar": 2
+                 *}
+                 */
+            `,
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        },
+        {
+            code: `
+                /*
+                {
+               \t"foo": 1,
+               \t"bar": 2
+                }
+                */
+            `,
+            output: `
+                /*
+                 *{
+                 *"foo": 1,
+                 *"bar": 2
+                 *}
+                 */
+            `,
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        },
+        {
+            code: `
+                \t /*
+                      \t    {
+                  \t    "foo": 1,
+                \t   "bar": 2
+                }
+                */
+            `,
+            output: `
+                \t /*
+                \t  *{
+                \t  *"foo": 1,
+                \t  *"bar": 2
+                \t  *}
+                \t  */
+            `,
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        },
+        {
+            code: `
+                //{
+                //    "foo": 1,
+                //    "bar": 2
+                //}
+            `,
+            output: `
+                /*
+                 * {
+                 *     "foo": 1,
+                 *     "bar": 2
+                 * }
+                 */
+            `,
+            errors: [
+                { messageId: "expectedBlock", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 * {
+                 *     "foo": 1,
+                 *     "bar": 2
+                 * }
+                 */
+            `,
+            output: `
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *
+                 * {
+                 *     "foo": 1,
+                 *     "bar": 2
+                 * }
+                 *
+                 */
+            `,
+            output: `
+                //${" "}
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }
+                //${" "}
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *
+                 * {
+                 *     "foo": 1,
+                 *     "bar": 2
+                 * }
+                 *
+                 */
+            `,
+            output: `
+                /*${" "}
+                   {
+                       "foo": 1,
+                       "bar": 2
+                   }
+                    */
+            `,
+            options: ["bare-block"],
+            errors: [
+                { messageId: "expectedBareBlock", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *
+                 *{
+                 *    "foo": 1,
+                 *    "bar": 2
+                 *}
+                 *
+                 */
+            `,
+            output: `
+                /*${" "}
+                   {
+                       "foo": 1,
+                       "bar": 2
+                   }
+                    */
+            `,
+            options: ["bare-block"],
+            errors: [
+                { messageId: "expectedBareBlock", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *{
+                 *    "foo": 1,
+                 *    "bar": 2
+                 *}
+                 */
+            `,
+            output: `
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *   {
+                 *       "foo": 1,
+                 *       "bar": 2
+                 *   }
+                 */
+            `,
+            output: `
+                //   {
+                //       "foo": 1,
+                //       "bar": 2
+                //   }
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+            *{
+                 *    "foo": 1,
+                    *    "bar": 2
+                 *}
+                  */
+            `,
+            output: `
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 *   {
+                 *       "foo": 1,
+                 *       "bar": 2
+           *}
+                 */
+            `,
+            output: `
+                //    {
+                //        "foo": 1,
+                //        "bar": 2
+                // }
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                {
+                    "foo": 1,
+                    "bar": 2
+                }
+                */
+            `,
+            output: `
+                //${" "}
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }
+                //${" "}
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /* {
+                       "foo": 1,
+                       "bar": 2
+                   } */
+            `,
+            output: `
+                // {
+                //     "foo": 1,
+                //     "bar": 2
+                // }${" "}
+            `,
+            options: ["separate-lines"],
+            errors: [
+                { messageId: "expectedLines", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 *
+                 * bar
+                 */
+            `,
+            output: `
+                // foo
+                //${" "}
+                // bar
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar
+                 */
+            `,
+            output: `
+                // foo
+                //${" "}
+                // bar
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 *
+                 * bar
+                 */
+            `,
+            output: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar
+                 */
+            `,
+            output: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBareBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                //
+                // bar
+            `,
+            output: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                //${" "}
+                // bar
+            `,
+            output: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                //
+                // bar
+            `,
+            output: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                // foo
+                //${" "}
+                // bar
+            `,
+            output: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            options: ["bare-block"],
+            errors: [{ messageId: "expectedBlock", line: 2 }]
+        },
+        {
+            code: `
+                /* foo
+
+                   bar */
+            `,
+            output: `
+                // foo
+                //${" "}
+                // bar${" "}
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            output: `
+                // foo
+                //${" "}
+                // bar${" "}
+            `,
+            options: ["separate-lines"],
+            errors: [{ messageId: "expectedLines", line: 2 }]
+        },
+        {
+            code: `
+                /* foo
+
+                   bar */
+            `,
+            output: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar${" "}
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "startNewline", line: 2 },
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "endNewline", line: 4 }
+            ]
+        },
+        {
+            code: `
+                /* foo
+${"                   "}
+                   bar */
+            `,
+            output: `
+                /*
+                 * foo
+                 *${" "}
+                 * bar${" "}
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "startNewline", line: 2 },
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "endNewline", line: 4 }
+            ]
+        },
+        {
+            code: `
+                /*foo
+
+                  bar */
+            `,
+            output: `
+                /*
+                 *foo
+                 *
+                 *bar${" "}
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "startNewline", line: 2 },
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "endNewline", line: 4 }
+            ]
+        },
+        {
+            code: `
+                /*foo
+${"                   "}
+                  bar */
+            `,
+            output: `
+                /*
+                 *foo
+                 *${" "}
+                 *bar${" "}
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "startNewline", line: 2 },
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "endNewline", line: 4 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 // a line comment
+                 some.code();
+                 */
+            `,
+            output: `
+                /*
+                 * // a line comment
+                 *some.code();
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 }
+            ]
+        },
+        {
+            code: `
+                /*
+                 // a line comment
+                 * some.code();
+                 */
+            `,
+            output: `
+                /*
+                 * // a line comment
+                 * some.code();
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "missingStar", line: 3 }
+            ]
+        },
+        {
+            code: `
+                ////This comment is in
+                //\`separate-lines\` format.
+            `,
+            output: null,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "expectedBlock", line: 2 }
+            ]
+        },
+        {
+            code: `
+                // // This comment is in
+                // \`separate-lines\` format.
+            `,
+            output: null,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "expectedBlock", line: 2 }
+            ]
+        },
+        {
+            code: `
+                /*
+                {
+                \t"foo": 1,
+                \t//"bar": 2
+                }
+                */
+            `,
+            output: `
+                /*
+                 *{
+                 *\t"foo": 1,
+                 *\t//"bar": 2
+                 *}
+                 */
+            `,
+            options: ["starred-block"],
+            errors: [
+                { messageId: "missingStar", line: 3 },
+                { messageId: "missingStar", line: 4 },
+                { messageId: "missingStar", line: 5 },
+                { messageId: "missingStar", line: 6 },
+                { messageId: "alignment", line: 7 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/multiline-ternary.js b/eslint/tests/lib/rules/multiline-ternary.js
new file mode 100644
index 0000000..a8d2ef6
--- /dev/null
+++ b/eslint/tests/lib/rules/multiline-ternary.js
@@ -0,0 +1,561 @@
+/**
+ * @fileoverview Enforce newlines between operands of ternary expressions
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/multiline-ternary");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("multiline-ternary", rule, {
+    valid: [
+
+        // default "always"
+        "a\n? b\n: c",
+        "a ?\nb :\nc",
+        "a\n? b\n? c\n: d\n: e",
+        "a\n? (b\n? c\n: d)\n: e",
+
+        // "always"
+        { code: "a\n? b\n: c", options: ["always"] },
+        { code: "a ?\nb :\nc", options: ["always"] },
+        { code: "a\n? b\n? c\n: d\n: e", options: ["always"] },
+        { code: "a\n? (b\n? c\n: d)\n: e", options: ["always"] },
+
+        // "always-multiline"
+        { code: "a\n? b\n: c", options: ["always-multiline"] },
+        { code: "a ?\nb :\nc", options: ["always-multiline"] },
+        { code: "a\n? b\n? c\n: d\n: e", options: ["always-multiline"] },
+        { code: "a\n? (b\n? c\n: d)\n: e", options: ["always-multiline"] },
+        { code: "a ? b : c", options: ["always-multiline"] },
+        { code: "a ? b ? c : d : e", options: ["always-multiline"] },
+        { code: "a ? (b ? c : d) : e", options: ["always-multiline"] },
+        { code: "a\n? (b ? c : d)\n: e", options: ["always-multiline"] },
+        { code: "a ?\n(b ? c : d) :\ne", options: ["always-multiline"] },
+
+        // "never"
+        { code: "a ? b : c", options: ["never"] },
+        { code: "a ? b ? c : d : e", options: ["never"] },
+        { code: "a ? (b ? c : d) : e", options: ["never"] }
+    ],
+
+    invalid: [
+
+        // default "always"
+        {
+            code: "a ? b : c",
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "a\n? b : c",
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 3
+            }]
+        },
+        {
+            code: "a ? b\n: c",
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "a ? (b ? c : d) : e",
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 10
+            }]
+        },
+        {
+            code: "a ?\n(b ? c : d) :\ne",
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 6
+            }]
+        },
+        {
+            code: "a ? (b\n? c\n: d) : e",
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 6
+            }]
+        },
+        {
+            code: "a ?\n(b? c\n: d) : e",
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedTestCons",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c : d) : e",
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 3,
+                column: 3
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c\n : d) : e",
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            }]
+        },
+
+        // "always"
+        {
+            code: "a ? b : c",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "a\n? b : c",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 3
+            }]
+        },
+        {
+            code: "a ? b\n: c",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "a ? (b ? c : d) : e",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 10
+            }]
+        },
+        {
+            code: "a ?\n(b ? c : d) :\ne",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 6
+            }]
+        },
+        {
+            code: "a ? (b\n? c\n: d) : e",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 6
+            }]
+        },
+        {
+            code: "a ?\n(b? c\n: d) : e",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedTestCons",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c : d) : e",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 3,
+                column: 3
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c\n : d) : e",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            }]
+        },
+
+        // "always-multiline"
+        {
+            code: "a\n? b : c",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 3
+            }]
+        },
+        {
+            code: "a ? b\n: c",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "a &&\nb ? c : d",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: "a ? b +\nc : d",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "a ? b : c +\nd",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "a ?\n(b ? c : d) : e",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ? (b ? c : d) :\ne",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "a ? (b\n? c\n: d) : e",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 1,
+                column: 6
+            }]
+        },
+        {
+            code: "a ?\n(b ? c\n: d) : e",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedTestCons",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c : d) : e",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "expectedConsAlt",
+                line: 3,
+                column: 3
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c\n : d) : e",
+            options: ["always-multiline"],
+            errors: [{
+                messageId: "expectedConsAlt",
+                line: 2,
+                column: 2
+            }]
+        },
+
+        // "never"
+        {
+            code: "a\n? b : c",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "a ? b\n: c",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedConsAlt",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "a ?\n(b ? c : d) :\ne",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ? (b\n? c\n: d) : e",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 2,
+                column: 3
+            }]
+        },
+        {
+            code: "a ?\n(b? c\n: d) : e",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c : d) : e",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "unexpectedTestCons",
+                line: 2,
+                column: 2
+            }]
+        },
+        {
+            code: "a ?\n(b\n? c\n : d) : e",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "unexpectedTestCons",
+                line: 2,
+                column: 2
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 3,
+                column: 3
+            }]
+        },
+        {
+            code: "a ? (b\n? c\n: d)\n: e",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedConsAlt",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 6
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 2,
+                column: 3
+            }]
+        },
+        {
+            code: "a\n?\n(b\n?\nc\n:\nd)\n:\ne",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedTestCons",
+                line: 1,
+                column: 1
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 3,
+                column: 2
+            },
+            {
+                messageId: "unexpectedTestCons",
+                line: 3,
+                column: 2
+            },
+            {
+                messageId: "unexpectedConsAlt",
+                line: 5,
+                column: 1
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/new-cap.js b/eslint/tests/lib/rules/new-cap.js
new file mode 100644
index 0000000..706bca1
--- /dev/null
+++ b/eslint/tests/lib/rules/new-cap.js
@@ -0,0 +1,165 @@
+/**
+ * @fileoverview Tests for new-cap rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/new-cap"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("new-cap", rule, {
+    valid: [
+        "var x = new Constructor();",
+        "var x = new a.b.Constructor();",
+        "var x = new a.b['Constructor']();",
+        "var x = new a.b[Constructor]();",
+        "var x = new a.b[constructor]();",
+        "var x = new function(){};",
+        "var x = new _;",
+        "var x = new $;",
+        "var x = new Σ;",
+        "var x = new _x;",
+        "var x = new $x;",
+        "var x = new this;",
+        "var x = Array(42)",
+        "var x = Boolean(42)",
+        "var x = Date(42)",
+        "var x = Date.UTC(2000, 0)",
+        "var x = Error('error')",
+        "var x = Function('return 0')",
+        "var x = Number(42)",
+        "var x = Object(null)",
+        "var x = RegExp(42)",
+        "var x = String(42)",
+        "var x = Symbol('symbol')",
+        "var x = BigInt('1n')",
+        "var x = _();",
+        "var x = $();",
+        { code: "var x = Foo(42)", options: [{ capIsNew: false }] },
+        { code: "var x = bar.Foo(42)", options: [{ capIsNew: false }] },
+        { code: "var x = Foo.bar(42)", options: [{ capIsNew: false }] },
+        "var x = bar[Foo](42)",
+        { code: "var x = bar['Foo'](42)", options: [{ capIsNew: false }] },
+        "var x = Foo.bar(42)",
+        { code: "var x = new foo(42)", options: [{ newIsCap: false }] },
+        "var o = { 1: function() {} }; o[1]();",
+        "var o = { 1: function() {} }; new o[1]();",
+        { code: "var x = Foo(42);", options: [{ capIsNew: true, capIsNewExceptions: ["Foo"] }] },
+        { code: "var x = Foo(42);", options: [{ capIsNewExceptionPattern: "^Foo" }] },
+        { code: "var x = new foo(42);", options: [{ newIsCap: true, newIsCapExceptions: ["foo"] }] },
+        { code: "var x = new foo(42);", options: [{ newIsCapExceptionPattern: "^foo" }] },
+        { code: "var x = Object(42);", options: [{ capIsNewExceptions: ["Foo"] }] },
+
+        { code: "var x = Foo.Bar(42);", options: [{ capIsNewExceptions: ["Bar"] }] },
+        { code: "var x = Foo.Bar(42);", options: [{ capIsNewExceptions: ["Foo.Bar"] }] },
+
+        { code: "var x = Foo.Bar(42);", options: [{ capIsNewExceptionPattern: "^Foo\\.." }] },
+        { code: "var x = new foo.bar(42);", options: [{ newIsCapExceptions: ["bar"] }] },
+        { code: "var x = new foo.bar(42);", options: [{ newIsCapExceptions: ["foo.bar"] }] },
+
+        { code: "var x = new foo.bar(42);", options: [{ newIsCapExceptionPattern: "^foo\\.." }] },
+        { code: "var x = new foo.bar(42);", options: [{ properties: false }] },
+        { code: "var x = Foo.bar(42);", options: [{ properties: false }] },
+        { code: "var x = foo.Bar(42);", options: [{ capIsNew: false, properties: false }] }
+    ],
+    invalid: [
+        { code: "var x = new c();", errors: [{ messageId: "lower", type: "NewExpression" }] },
+        { code: "var x = new φ;", errors: [{ messageId: "lower", type: "NewExpression" }] },
+        { code: "var x = new a.b.c;", errors: [{ messageId: "lower", type: "NewExpression" }] },
+        { code: "var x = new a.b['c'];", errors: [{ messageId: "lower", type: "NewExpression" }] },
+        { code: "var b = Foo();", errors: [{ messageId: "upper", type: "CallExpression" }] },
+        { code: "var b = a.Foo();", errors: [{ messageId: "upper", type: "CallExpression" }] },
+        { code: "var b = a['Foo']();", errors: [{ messageId: "upper", type: "CallExpression" }] },
+        { code: "var b = a.Date.UTC();", errors: [{ messageId: "upper", type: "CallExpression" }] },
+        { code: "var b = UTC();", errors: [{ messageId: "upper", type: "CallExpression" }] },
+        {
+            code: "var a = B.C();",
+            errors: [
+                {
+                    messageId: "upper",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "var a = B\n.C();",
+            errors: [
+                {
+                    messageId: "upper",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "var a = new B.c();",
+            errors: [
+                {
+                    messageId: "lower",
+                    type: "NewExpression",
+                    line: 1,
+                    column: 15
+                }
+            ]
+        },
+        {
+            code: "var a = new B.\nc();",
+            errors: [
+                {
+                    messageId: "lower",
+                    type: "NewExpression",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "var a = new c();",
+            errors: [
+                {
+                    messageId: "lower",
+                    type: "NewExpression",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+
+        {
+            code: "var x = Foo.Bar(42);",
+            options: [{ capIsNewExceptions: ["Foo"] }],
+            errors: [{ type: "CallExpression", messageId: "upper" }]
+        },
+        {
+            code: "var x = Bar.Foo(42);",
+
+            options: [{ capIsNewExceptionPattern: "^Foo\\.." }],
+            errors: [{ type: "CallExpression", messageId: "upper" }]
+        },
+        {
+            code: "var x = new foo.bar(42);",
+            options: [{ newIsCapExceptions: ["foo"] }],
+            errors: [{ type: "NewExpression", messageId: "lower" }]
+        },
+        {
+            code: "var x = new bar.foo(42);",
+
+            options: [{ newIsCapExceptionPattern: "^foo\\.." }],
+            errors: [{ type: "NewExpression", messageId: "lower" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/new-parens.js b/eslint/tests/lib/rules/new-parens.js
new file mode 100644
index 0000000..3508ace
--- /dev/null
+++ b/eslint/tests/lib/rules/new-parens.js
@@ -0,0 +1,185 @@
+/**
+ * @fileoverview Tests for new-parens rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const parser = require("../../fixtures/fixture-parser"),
+    rule = require("../../../lib/rules/new-parens"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+const error = { messageId: "missing", type: "NewExpression" };
+const neverError = { messageId: "unnecessary", type: "NewExpression" };
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("new-parens", rule, {
+    valid: [
+
+        // Default (Always)
+        "var a = new Date();",
+        "var a = new Date(function() {});",
+        "var a = new (Date)();",
+        "var a = new ((Date))();",
+        "var a = (new Date());",
+        "var a = new foo.Bar();",
+        "var a = (new Foo()).bar;",
+        {
+            code: "new Storage<RootState>('state');",
+            parser: parser("typescript-parsers/new-parens")
+        },
+
+        // Explicit Always
+        { code: "var a = new Date();", options: ["always"] },
+        { code: "var a = new foo.Bar();", options: ["always"] },
+        { code: "var a = (new Foo()).bar;", options: ["always"] },
+
+        // Never
+        { code: "var a = new Date;", options: ["never"] },
+        { code: "var a = new Date(function() {});", options: ["never"] },
+        { code: "var a = new (Date);", options: ["never"] },
+        { code: "var a = new ((Date));", options: ["never"] },
+        { code: "var a = (new Date);", options: ["never"] },
+        { code: "var a = new foo.Bar;", options: ["never"] },
+        { code: "var a = (new Foo).bar;", options: ["never"] },
+        { code: "var a = new Person('Name')", options: ["never"] },
+        { code: "var a = new Person('Name', 12)", options: ["never"] },
+        { code: "var a = new ((Person))('Name');", options: ["never"] }
+    ],
+    invalid: [
+
+        // Default (Always)
+        {
+            code: "var a = new Date;",
+            output: "var a = new Date();",
+            errors: [error]
+        },
+        {
+            code: "var a = new Date",
+            output: "var a = new Date()",
+            errors: [error]
+        },
+        {
+            code: "var a = new (Date);",
+            output: "var a = new (Date)();",
+            errors: [error]
+        },
+        {
+            code: "var a = new (Date)",
+            output: "var a = new (Date)()",
+            errors: [error]
+        },
+        {
+            code: "var a = (new Date)",
+            output: "var a = (new Date())",
+            errors: [error]
+        },
+        {
+
+            // This `()` is `CallExpression`'s. This is a call of the result of `new Date`.
+            code: "var a = (new Date)()",
+            output: "var a = (new Date())()",
+            errors: [error]
+        },
+        {
+            code: "var a = new foo.Bar;",
+            output: "var a = new foo.Bar();",
+            errors: [error]
+        },
+        {
+            code: "var a = (new Foo).bar;",
+            output: "var a = (new Foo()).bar;",
+            errors: [error]
+        },
+
+        // Explicit always
+        {
+            code: "var a = new Date;",
+            output: "var a = new Date();",
+            options: ["always"],
+            errors: [error]
+        },
+        {
+            code: "var a = new foo.Bar;",
+            output: "var a = new foo.Bar();",
+            options: ["always"],
+            errors: [error]
+        },
+        {
+            code: "var a = (new Foo).bar;",
+            output: "var a = (new Foo()).bar;",
+            options: ["always"],
+            errors: [error]
+        },
+        {
+            code: "var a = new new Foo()",
+            output: "var a = new new Foo()()",
+            options: ["always"],
+            errors: [error]
+        },
+
+        // Never
+        {
+            code: "var a = new Date();",
+            output: "var a = (new Date);",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = new Date()",
+            output: "var a = (new Date)",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = new (Date)();",
+            output: "var a = (new (Date));",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = new (Date)()",
+            output: "var a = (new (Date))",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = (new Date())",
+            output: "var a = ((new Date))",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = (new Date())()",
+            output: "var a = ((new Date))()",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = new foo.Bar();",
+            output: "var a = (new foo.Bar);",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = (new Foo()).bar;",
+            output: "var a = ((new Foo)).bar;",
+            options: ["never"],
+            errors: [neverError]
+        },
+        {
+            code: "var a = new new Foo()",
+            output: "var a = new (new Foo)",
+            options: ["never"],
+            errors: [neverError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/newline-after-var.js b/eslint/tests/lib/rules/newline-after-var.js
new file mode 100644
index 0000000..5787d74
--- /dev/null
+++ b/eslint/tests/lib/rules/newline-after-var.js
@@ -0,0 +1,349 @@
+/**
+ * @fileoverview Tests for newline-after-var rule.
+ * @author Gopal Venkatesan
+ * @deprecated
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/newline-after-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Fixtures
+//------------------------------------------------------------------------------
+
+// Valid for both "Always" and "Never"
+const NO_VAR = "console.log(greet);",
+    ONLY_VAR = "var greet = 'hello';",
+    FOR_LOOP_WITH_LET = "for(let a = 1; a < 1; a++){\n break;\n}",
+    FOR_LOOP_WITH_VAR = "for(var a = 1; a < 1; a++){\n break;\n}",
+    FOR_IN_LOOP_WITH_LET = "for(let a in obj){\n break;\n}",
+    FOR_IN_LOOP_WITH_VAR = "for(var a in obj){\n break;\n}",
+    FOR_OF_LOOP_WITH_LET = "for(let a in obj){\n break;\n}",
+    FOR_OF_LOOP_WITH_VAR = "for(var a in obj){\n break;\n}",
+    EXPORT_WITH_LET = "export let a = 1;\nexport let b = 2;",
+    EXPORT_WITH_VAR = "export var a = 1;\nexport var b = 2;",
+    EXPORT_WITH_CONST = "export const a = 1;\nexport const b = 2;",
+    END_OF_FUNCTION = "function example() {\nvar greet = 'hello'\n}",
+    END_OF_FUNCTION_EXPRESSION = "var f = function() {\nvar greet = 'hello'\n};",
+    END_OF_ARROW_FUNCTION = "() => {\nvar greet = 'hello';\n}",
+    END_OF_BLOCK = "{\nvar foo;\n}",
+    END_OF_IF = "if(true) {\nvar foo;\n}",
+    END_OF_SWITCH = "switch(a) {\ncase 0:\nvar foo;\n}";
+
+
+// Valid for "Always"
+const ONE_BLANK = "var greet = 'hello';\n\nconsole.log(greet);",
+    TWO_BLANKS = "var greet = 'hello';\n\n\nconsole.log(greet);",
+    THREE_BLANKS = "var greet = 'hello';\n\n\n\nconsole.log(greet);",
+    ONE_BLANK_WITH_TRAILING_WS = "var greet = 'hello';    \n\nconsole.log(greet);",
+    ONE_BLANK_WITH_INLINE_COMMENT = "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
+    NEXT_LINE_COMMENT_ONE_BLANK = "var greet = 'hello';\n// next-line comment\n\nconsole.log(greet);",
+    NEXT_LINE_BLOCK_COMMENT_ONE_BLANK = "var greet = 'hello';\n/* block comment\nblock comment */\n\nconsole.log(greet);",
+    NEXT_LINE_TWO_COMMENTS_ONE_BLANK = "var greet = 'hello';\n// next-line comment\n// second-line comment\n\nconsole.log(greet);",
+    NEXT_LINE_COMMENT_BLOCK_COMMENT_ONE_BLANK = "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\n\nconsole.log(greet);",
+    MIXED_COMMENT_ONE_BLANK = "var greet = 'hello';\n// inline comment\nvar name = 'world';\n\nconsole.log(greet, name);",
+    MIXED_BLOCK_COMMENT_ONE_BLANK = "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\n\nconsole.log(greet, name);",
+    MULTI_VAR_ONE_BLANK = "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+    MULTI_VAR_NO_BREAK_ONE_BLANK = "var greet = 'hello';var name = 'world';\n\nconsole.log(greet, name);",
+    MULTI_DEC_ONE_BLANK = "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
+    MULTI_LINE_ONE_BLANK = "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
+    MULTI_LINE_ONE_BLANK_WITH_COMMENTS = "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\n\nconsole.log(greet, name);",
+    MULTI_LINE_NEXT_LINE_COMMENT_ONE_BLANK = "var greet = 'hello',\nname = 'world';\n// next-line comment\n\nconsole.log(greet);",
+    MULTI_LINE_NEXT_LINE_BLOCK_COMMENT_ONE_BLANK = "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\n\nconsole.log(greet);",
+    LET_ONE_BLANK = "let greet = 'hello';\n\nconsole.log(greet);",
+    CONST_ONE_BLANK = "const greet = 'hello';\n\nconsole.log(greet);",
+    MIXED_LET_VAR = "let greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+    MIXED_CONST_VAR = "const greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+    MIXED_LET_CONST = "let greet = 'hello';\nconst name = 'world';\n\nconsole.log(greet, name);",
+    NOT_END_OF_FUNCTION_ONE_BLANK = "function example() {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
+    NOT_END_OF_FUNCTION_EXPRESSION_ONE_BLANK = "var f = function() {\nvar greet = 'hello';\n\nconsole.log(greet);\n};",
+    NOT_END_OF_ARROW_FUNCTION_ONE_BLANK = "() => {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
+    ONE_BLANK_BEFORE_CASE = "switch(a) {\ncase 0:\nvar foo;\n\ncase 1:}";
+
+
+// Valid for "Never"
+const NO_BREAK = "var greet = 'hello';console.log(greet);",
+    NO_BLANK = "var greet = 'hello';\nconsole.log(greet);",
+    NO_BLANK_WITH_TRAILING_WS = "var greet = 'hello';    \nconsole.log(greet);",
+    NO_BLANK_WITH_INLINE_COMMENT = "var greet = 'hello'; // inline comment\nconsole.log(greet);",
+    NEXT_LINE_COMMENT = "var greet = 'hello';\n// next-line comment\nconsole.log(greet);",
+    NEXT_LINE_BLOCK_COMMENT = "var greet = 'hello';\n/* block comment\nblock comment */\nconsole.log(greet);",
+    NEXT_LINE_TWO_COMMENTS_NO_BLANK = "var greet = 'hello';\n// next-line comment\n// second-line comment\nconsole.log(greet);",
+    NEXT_LINE_COMMENT_BLOCK_COMMENT_NO_BLANK = "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
+    MIXED_COMMENT_NO_BLANK = "var greet = 'hello';\n// inline comment\nvar name = 'world';\nconsole.log(greet, name);",
+    MIXED_BLOCK_COMMENT_NO_BLANK = "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\nconsole.log(greet, name);",
+    MULTI_VAR_NO_BREAK = "var greet = 'hello';var name = 'world';console.log(greet, name);",
+    MULTI_VAR_NO_BLANK = "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
+    MULTI_DEC_NO_BREAK = "var greet = 'hello', name = 'world';console.log(greet, name);",
+    MULTI_DEC_NO_BLANK = "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
+    MULTI_LINE_NO_BLANK = "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
+    MULTI_LINE_NO_BLANK_WITH_COMMENTS = "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\nconsole.log(greet, name);",
+    MULTI_LINE_NEXT_LINE_COMMENT = "var greet = 'hello',\nname = 'world';\n// next-line comment\nconsole.log(greet);",
+    MULTI_LINE_NEXT_LINE_BLOCK_COMMENT = "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\nconsole.log(greet);",
+    LET_NO_BLANK = "let greet = 'hello';\nconsole.log(greet);",
+    CONST_NO_BLANK = "const greet = 'hello';\nconsole.log(greet);",
+    NOT_END_OF_FUNCTION = "function example() {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+    NOT_END_OF_FUNCTION_EXPRESSION = "var f = function() {\nvar greet = 'hello';\nconsole.log(greet);\n};",
+    NOT_END_OF_ARROW_FUNCTION = "() => {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+    NO_BLANK_BEFORE_CASE = "switch(a) {\ncase 0:\nvar foo;\ncase 1:}";
+
+const ALWAYS_ERROR = {
+    messageId: "expected",
+    type: "VariableDeclaration"
+};
+
+const NEVER_ERROR = {
+    messageId: "unexpected",
+    type: "VariableDeclaration"
+};
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("newline-after-var", rule, {
+    valid: [
+
+        // should skip rule entirely
+        { code: NO_VAR, options: ["always"] },
+        { code: NO_VAR, options: ["never"] },
+
+        // should ignore a `var` with no following token
+        { code: ONLY_VAR, options: ["always"] },
+        { code: ONLY_VAR, options: ["never"] },
+
+        // should allow no line break in "never" mode
+        { code: NO_BREAK, options: ["never"] },
+
+        // should allow no blank line in "never" mode
+        { code: NO_BLANK, options: ["never"] },
+
+        // should allow one blank line in "always" mode
+        { code: ONE_BLANK, options: ["always"] },
+
+        // should allow two or more blank lines in "always" mode
+        { code: TWO_BLANKS, options: ["always"] },
+        { code: THREE_BLANKS, options: ["always"] },
+
+        // should allow trailing whitespace after the `var`
+        { code: ONE_BLANK_WITH_TRAILING_WS, options: ["always"] },
+        { code: NO_BLANK_WITH_TRAILING_WS, options: ["never"] },
+
+        // should allow inline comments after the `var`
+        { code: ONE_BLANK_WITH_INLINE_COMMENT, options: ["always"] },
+        { code: NO_BLANK_WITH_INLINE_COMMENT, options: ["never"] },
+
+        // should allow a comment on the next line in "never" mode
+        { code: NEXT_LINE_COMMENT, options: ["never"] },
+        { code: NEXT_LINE_BLOCK_COMMENT, options: ["never"] },
+
+        // should allow comments on the next line followed by a blank in "always" mode
+        { code: NEXT_LINE_COMMENT_ONE_BLANK, options: ["always"] },
+        { code: NEXT_LINE_BLOCK_COMMENT_ONE_BLANK, options: ["always"] },
+        { code: NEXT_LINE_TWO_COMMENTS_ONE_BLANK, options: ["always"] },
+
+        // should allow comments on the next line followed by no blank in "never" mode
+        { code: NEXT_LINE_TWO_COMMENTS_NO_BLANK, options: ["never"] },
+        { code: NEXT_LINE_COMMENT_BLOCK_COMMENT_NO_BLANK, options: ["never"] },
+
+        // should allow another `var` statement to follow without blank line
+        { code: MULTI_VAR_NO_BREAK, options: ["never"] },
+        { code: MULTI_VAR_NO_BLANK, options: ["never"] },
+        { code: MULTI_VAR_ONE_BLANK, options: ["always"] },
+
+        // should allow a comment directly between `var` statements
+        { code: MIXED_COMMENT_ONE_BLANK, options: ["always"] },
+        { code: MIXED_BLOCK_COMMENT_ONE_BLANK, options: ["always"] },
+        { code: MIXED_COMMENT_NO_BLANK, options: ["never"] },
+        { code: MIXED_BLOCK_COMMENT_NO_BLANK, options: ["never"] },
+
+        // should handle single `var` statement with multiple declarations
+        { code: MULTI_DEC_NO_BREAK, options: ["never"] },
+        { code: MULTI_DEC_NO_BLANK, options: ["never"] },
+        { code: MULTI_DEC_ONE_BLANK, options: ["always"] },
+
+        // should handle single `var` statement with multi-line declaration
+        { code: MULTI_LINE_ONE_BLANK, options: ["always"] },
+        { code: MULTI_LINE_NO_BLANK, options: ["never"] },
+        { code: MULTI_LINE_ONE_BLANK_WITH_COMMENTS, options: ["always"] },
+        { code: MULTI_LINE_NO_BLANK_WITH_COMMENTS, options: ["never"] },
+        { code: MULTI_LINE_NEXT_LINE_COMMENT, options: ["never"] },
+        { code: MULTI_LINE_NEXT_LINE_BLOCK_COMMENT, options: ["never"] },
+
+        // should handle ES6 `let` block binding
+        { code: LET_ONE_BLANK, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: LET_NO_BLANK, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // should handle ES6 `const` block binding
+        { code: CONST_ONE_BLANK, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: CONST_NO_BLANK, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // should handle a mix of `var`, `let`, or `const`
+        { code: MIXED_LET_VAR, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: MIXED_CONST_VAR, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: MIXED_LET_CONST, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        // should handle a mix of `var` or `let` inside for variations
+        { code: FOR_LOOP_WITH_LET, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_LOOP_WITH_VAR, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_LOOP_WITH_LET, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_LOOP_WITH_VAR, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_IN_LOOP_WITH_LET, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_IN_LOOP_WITH_VAR, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_IN_LOOP_WITH_LET, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_IN_LOOP_WITH_VAR, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_OF_LOOP_WITH_LET, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_OF_LOOP_WITH_VAR, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_OF_LOOP_WITH_LET, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: FOR_OF_LOOP_WITH_VAR, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // should handle export specifiers
+        { code: EXPORT_WITH_LET, options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: EXPORT_WITH_LET, options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: EXPORT_WITH_VAR, options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: EXPORT_WITH_VAR, options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: EXPORT_WITH_CONST, options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: EXPORT_WITH_CONST, options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // should allow no blank line at end of block
+        { code: END_OF_FUNCTION, options: ["always"] },
+        { code: END_OF_FUNCTION, options: ["never"] },
+        { code: NOT_END_OF_FUNCTION, options: ["never"] },
+        { code: END_OF_FUNCTION_EXPRESSION, options: ["always"] },
+        { code: END_OF_FUNCTION_EXPRESSION, options: ["never"] },
+        { code: NOT_END_OF_FUNCTION_EXPRESSION, options: ["never"] },
+        { code: END_OF_ARROW_FUNCTION, options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: END_OF_ARROW_FUNCTION, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: NOT_END_OF_ARROW_FUNCTION, options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: END_OF_BLOCK, options: ["always"] },
+        { code: END_OF_BLOCK, options: ["never"] },
+        { code: END_OF_IF, options: ["always"] },
+        { code: END_OF_IF, options: ["never"] },
+        { code: END_OF_SWITCH, options: ["always"] },
+        { code: END_OF_SWITCH, options: ["never"] },
+
+        // should handle one/no blank before case.
+        { code: ONE_BLANK_BEFORE_CASE, options: ["always"] },
+        { code: NO_BLANK_BEFORE_CASE, options: ["never"] },
+
+        // https://github.com/eslint/eslint/issues/6834
+        {
+            code: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            options: ["always"]
+        },
+        {
+            code: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            options: ["never"]
+        },
+        {
+            code: `
+                var a = 1
+                ;
+                (b || c).doSomething();
+            `,
+            options: ["never"]
+        }
+    ],
+
+    invalid: [
+
+        // should disallow no line break in "always" mode
+        { code: NO_BREAK, output: ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_VAR_NO_BREAK, output: MULTI_VAR_NO_BREAK_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_DEC_NO_BREAK, output: MULTI_DEC_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+
+        // should disallow no blank line in "always" mode
+        { code: NO_BLANK, output: ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NO_BLANK_WITH_TRAILING_WS, output: ONE_BLANK_WITH_TRAILING_WS, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NO_BLANK_WITH_INLINE_COMMENT, output: ONE_BLANK_WITH_INLINE_COMMENT, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_VAR_NO_BLANK, output: MULTI_VAR_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_DEC_NO_BLANK, output: MULTI_DEC_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_LINE_NO_BLANK, output: MULTI_LINE_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: LET_NO_BLANK, output: LET_ONE_BLANK, options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [ALWAYS_ERROR] },
+        { code: CONST_NO_BLANK, output: CONST_ONE_BLANK, options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [ALWAYS_ERROR] },
+        { code: NOT_END_OF_FUNCTION, output: NOT_END_OF_FUNCTION_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NOT_END_OF_FUNCTION_EXPRESSION, output: NOT_END_OF_FUNCTION_EXPRESSION_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NOT_END_OF_ARROW_FUNCTION, output: NOT_END_OF_ARROW_FUNCTION_ONE_BLANK, options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [ALWAYS_ERROR] },
+        { code: NO_BLANK_BEFORE_CASE, output: ONE_BLANK_BEFORE_CASE, options: ["always"], errors: [ALWAYS_ERROR] },
+
+        // should disallow blank lines in "never" mode
+        { code: ONE_BLANK, output: NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: TWO_BLANKS, output: NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: THREE_BLANKS, output: NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: ONE_BLANK_WITH_TRAILING_WS, output: NO_BLANK_WITH_TRAILING_WS, options: ["never"], errors: [NEVER_ERROR] },
+        { code: ONE_BLANK_WITH_INLINE_COMMENT, output: NO_BLANK_WITH_INLINE_COMMENT, options: ["never"], errors: [NEVER_ERROR] },
+        { code: MULTI_VAR_ONE_BLANK, output: MULTI_VAR_NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: MULTI_DEC_ONE_BLANK, output: MULTI_DEC_NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: MULTI_LINE_ONE_BLANK, output: MULTI_LINE_NO_BLANK, options: ["never"], errors: [NEVER_ERROR] },
+        { code: MULTI_LINE_ONE_BLANK_WITH_COMMENTS, output: MULTI_LINE_NO_BLANK_WITH_COMMENTS, options: ["never"], errors: [NEVER_ERROR] },
+        { code: LET_ONE_BLANK, output: LET_NO_BLANK, options: ["never"], parserOptions: { ecmaVersion: 6 }, errors: [NEVER_ERROR] },
+        { code: CONST_ONE_BLANK, output: CONST_NO_BLANK, options: ["never"], parserOptions: { ecmaVersion: 6 }, errors: [NEVER_ERROR] },
+        { code: ONE_BLANK_BEFORE_CASE, output: NO_BLANK_BEFORE_CASE, options: ["never"], errors: [NEVER_ERROR] },
+
+        // should disallow a comment on the next line that's not in turn followed by a blank in "always" mode
+        { code: NEXT_LINE_COMMENT, output: NEXT_LINE_COMMENT_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NEXT_LINE_BLOCK_COMMENT, output: NEXT_LINE_BLOCK_COMMENT_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_LINE_NEXT_LINE_COMMENT, output: MULTI_LINE_NEXT_LINE_COMMENT_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: MULTI_LINE_NEXT_LINE_BLOCK_COMMENT, output: MULTI_LINE_NEXT_LINE_BLOCK_COMMENT_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NEXT_LINE_TWO_COMMENTS_NO_BLANK, output: NEXT_LINE_TWO_COMMENTS_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+        { code: NEXT_LINE_COMMENT_BLOCK_COMMENT_NO_BLANK, output: NEXT_LINE_COMMENT_BLOCK_COMMENT_ONE_BLANK, options: ["always"], errors: [ALWAYS_ERROR] },
+
+        // https://github.com/eslint/eslint/issues/6834
+        {
+            code: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            output: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            options: ["always"],
+            errors: [ALWAYS_ERROR]
+        },
+        {
+            code: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            output: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            options: ["never"],
+            errors: [NEVER_ERROR]
+        },
+        {
+            code: `
+                var a = 1
+
+                ;
+                (b || c).doSomething();
+            `,
+            output: `
+                var a = 1
+                ;
+                (b || c).doSomething();
+            `,
+            options: ["never"],
+            errors: [NEVER_ERROR]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/newline-before-return.js b/eslint/tests/lib/rules/newline-before-return.js
new file mode 100644
index 0000000..4923706
--- /dev/null
+++ b/eslint/tests/lib/rules/newline-before-return.js
@@ -0,0 +1,284 @@
+/**
+ * @fileoverview Tests for require newline before `return` statement
+ * @author Kai Cataldo
+ * @deprecated
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/newline-before-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const error = { messageId: "expected" };
+
+ruleTester.run("newline-before-return", rule, {
+    valid: [
+        "function a() {\nreturn;\n}",
+        "function a() {\n\nreturn;\n}",
+        "function a() {\nvar b;\n\nreturn;\n}",
+        "function a() {\nif (b) return;\n}",
+        "function a() {\nif (b) { return; }\n}",
+        "function a() {\nif (b) {\nreturn;\n}\n}",
+        "function a() {\nif (b) {\n\nreturn;\n}\n}",
+        "function a() {\nif (b) {\nreturn;\n}\n\nreturn c;\n}",
+        "function a() {\nif (b) {\n\nreturn;\n}\n\nreturn c;\n}",
+        "function a() {\nif (!b) {\nreturn;\n} else {\nreturn b;\n}\n}",
+        "function a() {\nif (!b) {\nreturn;\n} else {\n\nreturn b;\n}\n}",
+        "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n}\n}",
+        "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n}",
+        "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n\nreturn a;\n}",
+        "function a() {\nif (b) return b;\nelse if (c) return c;\nelse return d;\n}",
+        "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\nreturn d;\n}\n}",
+        "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}",
+        "function a() {\nwhile (b) return;\n}",
+        "function a() {\n while (b) \nreturn;\n}",
+        "function a() {\n while (b) { return; }\n}",
+        "function a() {\n while (b) {\nreturn;\n}\n}",
+        "function a() {\n while (b) {\nc();\n\nreturn;\n}\n}",
+        "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}",
+        "function a() {\ndo return;\nwhile (b);\n}",
+        "function a() {\ndo \nreturn;\nwhile (b);\n}",
+        "function a() {\ndo { return; } while (b);\n}",
+        "function a() {\ndo { return; }\nwhile (b);\n}",
+        "function a() {\ndo {\nreturn;\n} while (b);\n}",
+        "function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}",
+        "function a() {\nfor (var b; b < c; b++) return;\n}",
+        "function a() {\nfor (var b; b < c; b++)\nreturn;\n}",
+        "function a() {\nfor (var b; b < c; b++) {\nreturn;\n}\n}",
+        "function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}",
+        "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}",
+        "function a() {\nfor (b in c)\nreturn;\n}",
+        "function a() {\nfor (b in c) { return; }\n}",
+        "function a() {\nfor (b in c) {\nreturn;\n}\n}",
+        "function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}",
+        {
+            code: "function a() {\nfor (b of c) return;\n}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function a() {\nfor (b of c)\nreturn;\n}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nreturn;\n}\n}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        "function a() {\nswitch (b) {\ncase 'b': return;\n}\n}",
+        "function a() {\nswitch (b) {\ncase 'b':\nreturn;\n}\n}",
+        "function a() {\nswitch (b) {\ncase 'b': {\nreturn;\n}\n}\n}",
+        "function a() {\n//comment\nreturn b;\n}",
+        "function a() {\n{\n//comment\n}\n\nreturn\n}",
+        "function a() {\nvar b = {\n//comment\n};\n\nreturn;\n}",
+        "function a() {/*multi-line\ncomment*/return b;\n}",
+        "function a() {\n/*comment\ncomment*/\n//comment\nreturn b;\n}",
+        "function a() {\n/*comment\ncomment*/\n//comment\nif (b) return;\n}",
+        "function a() {\n/*comment\ncomment*/\n//comment\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\nreturn d;\n}\n\n/*multi-line\ncomment*/\nreturn e;\n}",
+        "function a() {\nif (b) { //comment\nreturn;\n}\n\nreturn c;\n}",
+        "function a() {\nif (b) { return; } //comment\n\nreturn c;\n}",
+        "function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\nreturn c;\n}",
+        "function a() {\nif (b) { return; }\n\n/*multi-line\ncomment*/ return c;\n}",
+        {
+            code: "return;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "var a;\n\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "// comment\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "/* comment */\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "/* multi-line\ncomment */\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "function a() {\nvar b; return;\n}",
+            output: "function a() {\nvar b; \n\nreturn;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\nreturn;\n}",
+            output: "function a() {\nvar b;\n\nreturn;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\nreturn d;\n}\n}",
+            output: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne(); return d;\n}\n}",
+            output: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne(); \n\nreturn d;\n}\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\n while (b) {\nc();\nreturn;\n}\n}",
+            output: "function a() {\n while (b) {\nc();\n\nreturn;\n}\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\ndo {\nc();\nreturn;\n} while (b);\n}",
+            output: "function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nc();\nreturn;\n}\n}",
+            output: "function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nfor (b in c) {\nd();\nreturn;\n}\n}",
+            output: "function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nd();\nreturn;\n}\n}",
+            output: "function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) {\nc();\n}\n//comment\nreturn b;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\n/*comment\ncomment*/\nif (b) {\nc();\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n/*multi-line\ncomment*/\nreturn e;\n}",
+            output: "function a() {\n/*comment\ncomment*/\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n/*multi-line\ncomment*/\nreturn e;\n}",
+            errors: [error, error]
+        },
+        {
+            code: "function a() {\nif (b) { return; } //comment\nreturn c;\n}",
+            output: "function a() {\nif (b) { return; } //comment\n\nreturn c;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) { return; } /*multi-line\ncomment*/\nreturn c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) { return; }\n/*multi-line\ncomment*/ return c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nif (b) { return; } /*multi-line\ncomment*/ return c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "var a;\nreturn;",
+            output: "var a;\n\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [error]
+        },
+        {
+            code: "var a; return;",
+            output: "var a; \n\nreturn;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [error]
+        },
+        {
+            code: "function a() {\n{\n//comment\n}\nreturn\n}",
+            output: "function a() {\n{\n//comment\n}\n\nreturn\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\n{\n//comment\n} return\n}",
+            output: "function a() {\n{\n//comment\n} \n\nreturn\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\nreturn c;\n}",
+            output: "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\nreturn;\n}\n}",
+            output: "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}",
+            errors: [error]
+        },
+
+        /*
+         * Testing edge cases of the fixer when the `return` statement has leading comments.
+         * https://github.com/eslint/eslint/issues/5958
+         */
+        {
+            code: "function a() {\nvar b; /*multi-line\ncomment*/\nreturn c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\n/*multi-line\ncomment*/ return c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b; /*multi-line\ncomment*/ return c;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\n//comment\nreturn;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b; //comment\nreturn;\n}",
+            output: "function a() {\nvar b; //comment\n\nreturn;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\n/* comment */ return;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\n//comment\n/* comment */ return;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b; /* comment */ return;\n}",
+            output: null,
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b; /* comment */\nreturn;\n}",
+            output: "function a() {\nvar b; /* comment */\n\nreturn;\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b;\nreturn; //comment\n}",
+            output: "function a() {\nvar b;\n\nreturn; //comment\n}",
+            errors: [error]
+        },
+        {
+            code: "function a() {\nvar b; return; //comment\n}",
+            output: "function a() {\nvar b; \n\nreturn; //comment\n}",
+            errors: [error]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/newline-per-chained-call.js b/eslint/tests/lib/rules/newline-per-chained-call.js
new file mode 100644
index 0000000..a0eefd2
--- /dev/null
+++ b/eslint/tests/lib/rules/newline-per-chained-call.js
@@ -0,0 +1,196 @@
+/**
+ * @fileoverview Tests for newline-per-chained-call rule.
+ * @author Rajendra Patil
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/newline-per-chained-call"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("newline-per-chained-call", rule, {
+    valid: ["_\n.chain({})\n.map(foo)\n.filter(bar)\n.value();", "a.b.c.d.e.f", "a()\n.b()\n.c\n.e", "var a = m1.m2(); var b = m1.m2();\nvar c = m1.m2()", "var a = m1()\n.m2();", "var a = m1();", "a()\n.b().c.e.d()", "a().b().c.e.d()", "a.b.c.e.d()", "var a = window\n.location\n.href\n.match(/(^[^#]*)/)[0];", "var a = window['location']\n.href\n.match(/(^[^#]*)/)[0];", "var a = window['location'].href.match(/(^[^#]*)/)[0];", {
+        code: "var a = m1().m2.m3();",
+        options: [{
+            ignoreChainWithDepth: 3
+        }]
+    }, {
+        code: "var a = m1().m2.m3().m4.m5().m6.m7().m8;",
+        options: [{
+            ignoreChainWithDepth: 8
+        }]
+    }],
+    invalid: [{
+        code: "_\n.chain({}).map(foo).filter(bar).value();",
+        output: "_\n.chain({}).map(foo)\n.filter(bar)\n.value();",
+        errors: [{
+            messageId: "expected", data: { callee: ".filter" }
+        }, {
+            messageId: "expected", data: { callee: ".value" }
+        }]
+    }, {
+        code: "_\n.chain({})\n.map(foo)\n.filter(bar).value();",
+        output: "_\n.chain({})\n.map(foo)\n.filter(bar)\n.value();",
+        errors: [{
+            messageId: "expected", data: { callee: ".value" }
+        }]
+    }, {
+        code: "a().b().c().e.d()",
+        output: "a().b()\n.c().e.d()",
+        errors: [{
+            messageId: "expected", data: { callee: ".c" }
+        }]
+    }, {
+        code: "a.b.c().e().d()",
+        output: "a.b.c().e()\n.d()",
+        errors: [{
+            messageId: "expected", data: { callee: ".d" }
+        }]
+    }, {
+        code: "_.chain({}).map(a).value(); ",
+        output: "_.chain({}).map(a)\n.value(); ",
+        errors: [{
+            messageId: "expected", data: { callee: ".value" }
+        }]
+    }, {
+        code: "var a = m1.m2();\n var b = m1.m2().m3().m4().m5();",
+        output: "var a = m1.m2();\n var b = m1.m2().m3()\n.m4()\n.m5();",
+        errors: [{
+            messageId: "expected", data: { callee: ".m4" }
+        }, {
+            messageId: "expected", data: { callee: ".m5" }
+        }]
+    }, {
+        code: "var a = m1.m2();\n var b = m1.m2().m3()\n.m4().m5();",
+        output: "var a = m1.m2();\n var b = m1.m2().m3()\n.m4()\n.m5();",
+        errors: [{
+            messageId: "expected", data: { callee: ".m5" }
+        }]
+    }, {
+        code: "var a = m1().m2\n.m3().m4().m5().m6().m7();",
+        output: "var a = m1().m2\n.m3().m4().m5()\n.m6()\n.m7();",
+        options: [{
+            ignoreChainWithDepth: 3
+        }],
+        errors: [{
+            messageId: "expected", data: { callee: ".m6" }
+        }, {
+            messageId: "expected", data: { callee: ".m7" }
+        }]
+    }, {
+        code: [
+            "http.request({",
+            "    // Param",
+            "    // Param",
+            "    // Param",
+            "}).on('response', function(response) {",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "}).on('error', function(error) {",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "}).end();"
+        ].join("\n"),
+        output: [
+            "http.request({",
+            "    // Param",
+            "    // Param",
+            "    // Param",
+            "}).on('response', function(response) {",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "    // Do something with response.",
+            "})",
+            ".on('error', function(error) {",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "    // Do something with error.",
+            "})",
+            ".end();"
+        ].join("\n"),
+        errors: [{
+            messageId: "expected", data: { callee: ".on" }
+        }, {
+            messageId: "expected", data: { callee: ".end" }
+        }]
+    }, {
+        code: [
+            "anObject.method1().method2()['method' + n]()[aCondition ?",
+            "    'method3' :",
+            "    'method4']()"
+        ].join("\n"),
+        output: [
+            "anObject.method1().method2()",
+            "['method' + n]()",
+            "[aCondition ?",
+            "    'method3' :",
+            "    'method4']()"
+        ].join("\n"),
+        errors: [{
+            messageId: "expected", data: { callee: "['method' + n]" }
+        }, {
+            messageId: "expected", data: { callee: "[aCondition ?" }
+        }]
+    }, {
+        code: "foo.bar()['foo' + \u2029 + 'bar']()",
+        output: "foo.bar()\n['foo' + \u2029 + 'bar']()",
+        options: [{ ignoreChainWithDepth: 1 }],
+        errors: [{ messageId: "expected", data: { callee: "['foo' + " } }]
+    }, {
+        code: "foo.bar()[(biz)]()",
+        output: "foo.bar()\n[(biz)]()",
+        options: [{ ignoreChainWithDepth: 1 }],
+        errors: [{ messageId: "expected", data: { callee: "[biz]" } }]
+    }, {
+        code: "(foo).bar().biz()",
+        output: "(foo).bar()\n.biz()",
+        options: [{ ignoreChainWithDepth: 1 }],
+        errors: [{ messageId: "expected", data: { callee: ".biz" } }]
+    }, {
+        code: "foo.bar(). /* comment */ biz()",
+        output: "foo.bar()\n. /* comment */ biz()",
+        options: [{ ignoreChainWithDepth: 1 }],
+        errors: [{ messageId: "expected", data: { callee: ".biz" } }]
+    }, {
+        code: "foo.bar() /* comment */ .biz()",
+        output: "foo.bar() /* comment */ \n.biz()",
+        options: [{ ignoreChainWithDepth: 1 }],
+        errors: [{ messageId: "expected", data: { callee: ".biz" } }]
+    }]
+});
diff --git a/eslint/tests/lib/rules/no-alert.js b/eslint/tests/lib/rules/no-alert.js
new file mode 100644
index 0000000..4851d5b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-alert.js
@@ -0,0 +1,129 @@
+/**
+ * @fileoverview Tests for no-alert rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-alert"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-alert", rule, {
+    valid: [
+        "a[o.k](1)",
+        "foo.alert(foo)",
+        "foo.confirm(foo)",
+        "foo.prompt(foo)",
+        "function alert() {} alert();",
+        "var alert = function() {}; alert();",
+        "function foo() { var alert = bar; alert(); }",
+        "function foo(alert) { alert(); }",
+        "var alert = function() {}; function test() { alert(); }",
+        "function foo() { var alert = function() {}; function test() { alert(); } }",
+        "function confirm() {} confirm();",
+        "function prompt() {} prompt();",
+        "window[alert]();",
+        "function foo() { this.alert(); }",
+        "function foo() { var window = bar; window.alert(); }",
+        "globalThis.alert();",
+        { code: "globalThis['alert']();", env: { es6: true } },
+        { code: "globalThis.alert();", env: { es2017: true } },
+        { code: "var globalThis = foo; globalThis.alert();", env: { es2020: true } },
+        { code: "function foo() { var globalThis = foo; globalThis.alert(); }", env: { es2020: true } }
+    ],
+    invalid: [
+        {
+            code: "alert(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window.alert(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window['alert'](foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "confirm(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "confirm" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window.confirm(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "confirm" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window['confirm'](foo)",
+            errors: [{ messageId: "unexpected", data: { name: "confirm" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "prompt(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "prompt" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window.prompt(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "prompt" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "window['prompt'](foo)",
+            errors: [{ messageId: "unexpected", data: { name: "prompt" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "function alert() {} window.alert(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 21 }]
+        },
+        {
+            code: "var alert = function() {};\nwindow.alert(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 2, column: 1 }]
+        },
+        {
+            code: "function foo(alert) { window.alert(); }",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 23 }]
+        },
+        {
+            code: "function foo() { alert(); }",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 18 }]
+        },
+        {
+            code: "function foo() { var alert = function() {}; }\nalert();",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 2, column: 1 }]
+        },
+        {
+            code: "this.alert(foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "this['alert'](foo)",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "function foo() { var window = bar; window.alert(); }\nwindow.alert();",
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 2, column: 1 }]
+        },
+        {
+            code: "globalThis['alert'](foo)",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "globalThis.alert();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 1, column: 1 }]
+        },
+        {
+            code: "function foo() { var globalThis = bar; globalThis.alert(); }\nglobalThis.alert();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpected", data: { name: "alert" }, type: "CallExpression", line: 2, column: 1 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-array-constructor.js b/eslint/tests/lib/rules/no-array-constructor.js
new file mode 100644
index 0000000..70caeb8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-array-constructor.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Tests for the no-array-constructor rule
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-array-constructor"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-array-constructor", rule, {
+    valid: [
+        "new Array(x)",
+        "Array(x)",
+        "new Array(9)",
+        "Array(9)",
+        "new foo.Array()",
+        "foo.Array()",
+        "new Array.foo",
+        "Array.foo()"
+    ],
+    invalid: [
+        { code: "new Array()", errors: [{ messageId: "preferLiteral", type: "NewExpression" }] },
+        { code: "new Array", errors: [{ messageId: "preferLiteral", type: "NewExpression" }] },
+        { code: "new Array(x, y)", errors: [{ messageId: "preferLiteral", type: "NewExpression" }] },
+        { code: "new Array(0, 1, 2)", errors: [{ messageId: "preferLiteral", type: "NewExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-async-promise-executor.js b/eslint/tests/lib/rules/no-async-promise-executor.js
new file mode 100644
index 0000000..4318bee
--- /dev/null
+++ b/eslint/tests/lib/rules/no-async-promise-executor.js
@@ -0,0 +1,61 @@
+/**
+ * @fileoverview disallow using an async function as a Promise executor
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-async-promise-executor");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 8 } });
+
+ruleTester.run("no-async-promise-executor", rule, {
+
+    valid: [
+        "new Promise((resolve, reject) => {})",
+        "new Promise((resolve, reject) => {}, async function unrelated() {})",
+        "new Foo(async (resolve, reject) => {})"
+    ],
+
+    invalid: [
+        {
+            code: "new Promise(async function foo(resolve, reject) {})",
+            errors: [{
+                messageId: "async",
+                line: 1,
+                column: 13,
+                endLine: 1,
+                endColumn: 18
+            }]
+        },
+        {
+            code: "new Promise(async (resolve, reject) => {})",
+            errors: [{
+                messageId: "async",
+                line: 1,
+                column: 13,
+                endLine: 1,
+                endColumn: 18
+            }]
+        },
+        {
+            code: "new Promise(((((async () => {})))))",
+            errors: [{
+                messageId: "async",
+                line: 1,
+                column: 17,
+                endLine: 1,
+                endColumn: 22
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-await-in-loop.js b/eslint/tests/lib/rules/no-await-in-loop.js
new file mode 100644
index 0000000..6ba1e7b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-await-in-loop.js
@@ -0,0 +1,79 @@
+/**
+ * @fileoverview Tests for no-await-in-loop.
+ * @author Nat Mote (nmote)
+ */
+
+"use strict";
+
+const rule = require("../../../lib/rules/no-await-in-loop"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const error = { messageId: "unexpectedAwait", type: "AwaitExpression" };
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("no-await-in-loop", rule, {
+    valid: [
+        "async function foo() { await bar; }",
+        "async function foo() { for (var bar in await baz) { } }",
+        "async function foo() { for (var bar of await baz) { } }",
+        "async function foo() { for await (var bar of await baz) { } }",
+        "async function foo() { for (var bar = await baz in qux) {} }",
+
+        // While loops
+        "async function foo() { while (true) { async function foo() { await bar; } } }", // Blocked by a function declaration
+        // For loops
+        "async function foo() { for (var i = await bar; i < n; i++) {  } }",
+
+        // Do while loops
+        "async function foo() { do { } while (bar); }",
+
+        // Blocked by a function expression
+        "async function foo() { while (true) { var y = async function() { await bar; } } }",
+
+        // Blocked by an arrow function
+        "async function foo() { while (true) { var y = async () => await foo; } }",
+        "async function foo() { while (true) { var y = async () => { await foo; } } }",
+
+        // Blocked by a class method
+        "async function foo() { while (true) { class Foo { async foo() { await bar; } } } }",
+
+        // Asynchronous iteration intentionally
+        "async function foo() { for await (var x of xs) { await f(x) } }"
+    ],
+    invalid: [
+
+        // While loops
+        { code: "async function foo() { while (baz) { await bar; } }", errors: [error] },
+        { code: "async function foo() { while (await foo()) {  } }", errors: [error] },
+        {
+            code: "async function foo() { while (baz) { for await (x of xs); } }",
+            errors: [Object.assign({}, error, { type: "ForOfStatement" })]
+        },
+
+        // For of loops
+        { code: "async function foo() { for (var bar of baz) { await bar; } }", errors: [error] },
+        { code: "async function foo() { for (var bar of baz) await bar; }", errors: [error] },
+
+        // For in loops
+        { code: "async function foo() { for (var bar in baz) { await bar; } }", errors: [error] },
+
+        // For loops
+        { code: "async function foo() { for (var i; i < n; i++) { await bar; } }", errors: [error] },
+        { code: "async function foo() { for (var i; await foo(i); i++) {  } }", errors: [error] },
+        { code: "async function foo() { for (var i; i < n; i = await bar) {  } }", errors: [error] },
+
+        // Do while loops
+        { code: "async function foo() { do { await bar; } while (baz); }", errors: [error] },
+        { code: "async function foo() { do { } while (await bar); }", errors: [error] },
+
+        // Deep in a loop body
+        { code: "async function foo() { while (true) { if (bar) { foo(await bar); } } }", errors: [error] },
+
+        // Deep in a loop condition
+        { code: "async function foo() { while (xyz || 5 > await x) {  } }", errors: [error] },
+
+        // In a nested loop of for-await-of
+        { code: "async function foo() { for await (var x of xs) { while (1) await f(x) } }", errors: [error] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-bitwise.js b/eslint/tests/lib/rules/no-bitwise.js
new file mode 100644
index 0000000..ae3e8a8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-bitwise.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Tests for no-bitwise rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-bitwise"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-bitwise", rule, {
+    valid: [
+        "a + b",
+        "!a",
+        "a += b",
+        { code: "~[1, 2, 3].indexOf(1)", options: [{ allow: ["~"] }] },
+        { code: "~1<<2 === -8", options: [{ allow: ["~", "<<"] }] },
+        { code: "a|0", options: [{ int32Hint: true }] },
+        { code: "a|0", options: [{ allow: ["|"], int32Hint: false }] }
+    ],
+    invalid: [
+        { code: "a ^ b", errors: [{ messageId: "unexpected", data: { operator: "^" }, type: "BinaryExpression" }] },
+        { code: "a | b", errors: [{ messageId: "unexpected", data: { operator: "|" }, type: "BinaryExpression" }] },
+        { code: "a & b", errors: [{ messageId: "unexpected", data: { operator: "&" }, type: "BinaryExpression" }] },
+        { code: "a << b", errors: [{ messageId: "unexpected", data: { operator: "<<" }, type: "BinaryExpression" }] },
+        { code: "a >> b", errors: [{ messageId: "unexpected", data: { operator: ">>" }, type: "BinaryExpression" }] },
+        { code: "a >>> b", errors: [{ messageId: "unexpected", data: { operator: ">>>" }, type: "BinaryExpression" }] },
+        { code: "~a", errors: [{ messageId: "unexpected", data: { operator: "~" }, type: "UnaryExpression" }] },
+        { code: "a ^= b", errors: [{ messageId: "unexpected", data: { operator: "^=" }, type: "AssignmentExpression" }] },
+        { code: "a |= b", errors: [{ messageId: "unexpected", data: { operator: "|=" }, type: "AssignmentExpression" }] },
+        { code: "a &= b", errors: [{ messageId: "unexpected", data: { operator: "&=" }, type: "AssignmentExpression" }] },
+        { code: "a <<= b", errors: [{ messageId: "unexpected", data: { operator: "<<=" }, type: "AssignmentExpression" }] },
+        { code: "a >>= b", errors: [{ messageId: "unexpected", data: { operator: ">>=" }, type: "AssignmentExpression" }] },
+        { code: "a >>>= b", errors: [{ messageId: "unexpected", data: { operator: ">>>=" }, type: "AssignmentExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-buffer-constructor.js b/eslint/tests/lib/rules/no-buffer-constructor.js
new file mode 100644
index 0000000..f45b4e4
--- /dev/null
+++ b/eslint/tests/lib/rules/no-buffer-constructor.js
@@ -0,0 +1,74 @@
+/**
+ * @fileoverview disallow use of the Buffer() constructor
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-buffer-constructor");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const CALL_ERROR = {
+    messageId: "deprecated",
+    data: {
+        expr: "Buffer()"
+    },
+    type: "CallExpression"
+};
+const CONSTRUCT_ERROR = {
+    messageId: "deprecated",
+    data: {
+        expr: "new Buffer()"
+    },
+    type: "NewExpression"
+};
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-buffer-constructor", rule, {
+
+    valid: [
+        "Buffer.alloc(5)",
+        "Buffer.allocUnsafe(5)",
+        "new Buffer.Foo()",
+        "Buffer.from([1, 2, 3])",
+        "foo(Buffer)",
+        "Buffer.alloc(res.body.amount)",
+        "Buffer.from(res.body.values)"
+    ],
+
+    invalid: [
+        {
+            code: "Buffer(5)",
+            errors: [CALL_ERROR]
+        },
+        {
+            code: "new Buffer(5)",
+            errors: [CONSTRUCT_ERROR]
+        },
+        {
+            code: "Buffer([1, 2, 3])",
+            errors: [CALL_ERROR]
+        },
+        {
+            code: "new Buffer([1, 2, 3])",
+            errors: [CONSTRUCT_ERROR]
+        },
+        {
+            code: "new Buffer(res.body.amount)",
+            errors: [CONSTRUCT_ERROR]
+        },
+        {
+            code: "new Buffer(res.body.values)",
+            errors: [CONSTRUCT_ERROR]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-caller.js b/eslint/tests/lib/rules/no-caller.js
new file mode 100644
index 0000000..4c3a83b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-caller.js
@@ -0,0 +1,32 @@
+/**
+ * @fileoverview Tests for no-caller rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-caller"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-caller", rule, {
+    valid: [
+        "var x = arguments.length",
+        "var x = arguments",
+        "var x = arguments[0]",
+        "var x = arguments[caller]"
+    ],
+    invalid: [
+        { code: "var x = arguments.callee", errors: [{ messageId: "unexpected", data: { prop: "callee" }, type: "MemberExpression" }] },
+        { code: "var x = arguments.caller", errors: [{ messageId: "unexpected", data: { prop: "caller" }, type: "MemberExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-case-declarations.js b/eslint/tests/lib/rules/no-case-declarations.js
new file mode 100644
index 0000000..e1bd6b1
--- /dev/null
+++ b/eslint/tests/lib/rules/no-case-declarations.js
@@ -0,0 +1,82 @@
+/**
+ * @fileoverview Tests for no-case-declarations rule.
+ * @author Erik Arvidsson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-case-declarations"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-case-declarations", rule, {
+    valid: [
+        {
+            code: "switch (a) { case 1: { let x = 1; break; } default: { let x = 2; break; } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "switch (a) { case 1: { const x = 1; break; } default: { const x = 2; break; } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "switch (a) { case 1: { function f() {} break; } default: { function f() {} break; } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "switch (a) { case 1: { class C {} break; } default: { class C {} break; } }",
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "switch (a) { case 1: let x = 1; break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "VariableDeclaration" }]
+        },
+        {
+            code: "switch (a) { default: let x = 2; break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "VariableDeclaration" }]
+        },
+        {
+            code: "switch (a) { case 1: const x = 1; break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "VariableDeclaration" }]
+        },
+        {
+            code: "switch (a) { default: const x = 2; break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "VariableDeclaration" }]
+        },
+        {
+            code: "switch (a) { case 1: function f() {} break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "FunctionDeclaration" }]
+        },
+        {
+            code: "switch (a) { default: function f() {} break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "FunctionDeclaration" }]
+        },
+        {
+            code: "switch (a) { case 1: class C {} break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "ClassDeclaration" }]
+        },
+        {
+            code: "switch (a) { default: class C {} break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "ClassDeclaration" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-catch-shadow.js b/eslint/tests/lib/rules/no-catch-shadow.js
new file mode 100644
index 0000000..76a5a1d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-catch-shadow.js
@@ -0,0 +1,55 @@
+/**
+ * @fileoverview Tests for no-catch-shadow rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-catch-shadow"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-catch-shadow", rule, {
+    valid: [
+        "var foo = 1; try { bar(); } catch(baz) { }",
+        {
+            code: [
+                "'use strict';",
+                "",
+                "function broken() {",
+                "  try {",
+                "    throw new Error();",
+                "  } catch (e) {",
+                "    //",
+                "  }",
+                "}",
+                "",
+                "module.exports = broken;"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "try {} catch (error) {}",
+            env: { shelljs: false }
+        },
+        {
+            code: "try {} catch {}",
+            parserOptions: { ecmaVersion: 2019 }
+        }
+    ],
+    invalid: [
+        { code: "var foo = 1; try { bar(); } catch(foo) { }", errors: [{ messageId: "mutable", data: { name: "foo" }, type: "CatchClause" }] },
+        { code: "function foo(){} try { bar(); } catch(foo) { }", errors: [{ messageId: "mutable", data: { name: "foo" }, type: "CatchClause" }] },
+        { code: "function foo(){ try { bar(); } catch(foo) { } }", errors: [{ messageId: "mutable", data: { name: "foo" }, type: "CatchClause" }] },
+        { code: "var foo = function(){ try { bar(); } catch(foo) { } };", errors: [{ messageId: "mutable", data: { name: "foo" }, type: "CatchClause" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-class-assign.js b/eslint/tests/lib/rules/no-class-assign.js
new file mode 100644
index 0000000..a59d2c2
--- /dev/null
+++ b/eslint/tests/lib/rules/no-class-assign.js
@@ -0,0 +1,70 @@
+/**
+ * @fileoverview Tests for no-class-assign rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-class-assign");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-class-assign", rule, {
+    valid: [
+        "class A { } foo(A);",
+        "let A = class A { }; foo(A);",
+        "class A { b(A) { A = 0; } }",
+        "class A { b() { let A; A = 0; } }",
+        "let A = class { b() { A = 0; } }",
+
+        // ignores non class.
+        "var x = 0; x = 1;",
+        "let x = 0; x = 1;",
+        "const x = 0; x = 1;",
+        "function x() {} x = 1;",
+        "function foo(x) { x = 1; }",
+        "try {} catch (x) { x = 1; }"
+    ],
+    invalid: [
+        {
+            code: "class A { } A = 0;",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "class A { } ({A} = 0);",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "class A { } ({b: A = 0} = {});",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "A = 0; class A { }",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "class A { b() { A = 0; } }",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "let A = class A { b() { A = 0; } }",
+            errors: [{ messageId: "class", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "class A { } A = 0; A = 1;",
+            errors: [
+                { messageId: "class", data: { name: "A" }, type: "Identifier", line: 1, column: 13 },
+                { messageId: "class", data: { name: "A" }, type: "Identifier", line: 1, column: 20 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-compare-neg-zero.js b/eslint/tests/lib/rules/no-compare-neg-zero.js
new file mode 100644
index 0000000..b9c6303
--- /dev/null
+++ b/eslint/tests/lib/rules/no-compare-neg-zero.js
@@ -0,0 +1,152 @@
+/**
+ * @fileoverview The rule should warn against code that tries to compare against -0.
+ * @author Aladdin-ADD<hh_2013@foxmail.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-compare-neg-zero");
+
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-compare-neg-zero", rule, {
+
+    valid: [
+        "x === 0",
+        "0 === x",
+        "x == 0",
+        "0 == x",
+        "x === '0'",
+        "'0' === x",
+        "x == '0'",
+        "'0' == x",
+        "x === '-0'",
+        "'-0' === x",
+        "x == '-0'",
+        "'-0' == x",
+        "x === -1",
+        "-1 === x",
+        "x < 0",
+        "0 < x",
+        "x <= 0",
+        "0 <= x",
+        "x > 0",
+        "0 > x",
+        "x >= 0",
+        "0 >= x",
+        "x != 0",
+        "0 != x",
+        "x !== 0",
+        "0 !== x",
+        "Object.is(x, -0)"
+    ],
+
+    invalid: [
+        {
+            code: "x === -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "===" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 === x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "===" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "x == -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "==" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 == x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "==" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "x > -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 > x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "x >= -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">=" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 >= x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">=" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "x < -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 < x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "x <= -0",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<=" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "-0 <= x",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<=" },
+                type: "BinaryExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-cond-assign.js b/eslint/tests/lib/rules/no-cond-assign.js
new file mode 100644
index 0000000..77e4c78
--- /dev/null
+++ b/eslint/tests/lib/rules/no-cond-assign.js
@@ -0,0 +1,71 @@
+/**
+ * @fileoverview Tests for no-cond-assign rule.
+ * @author Stephen Murray <spmurrayzzz>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-cond-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-cond-assign", rule, {
+    valid: [
+        "var x = 0; if (x == 0) { var b = 1; }",
+        { code: "var x = 0; if (x == 0) { var b = 1; }", options: ["always"] },
+        "var x = 5; while (x < 5) { x = x + 1; }",
+        "if ((someNode = someNode.parentNode) !== null) { }",
+        { code: "if ((someNode = someNode.parentNode) !== null) { }", options: ["except-parens"] },
+        "if ((a = b));",
+        "while ((a = b));",
+        "do {} while ((a = b));",
+        "for (;(a = b););",
+        "for (;;) {}",
+        "if (someNode || (someNode = parentNode)) { }",
+        "while (someNode || (someNode = parentNode)) { }",
+        "do { } while (someNode || (someNode = parentNode));",
+        "for (;someNode || (someNode = parentNode););",
+        { code: "if ((function(node) { return node = parentNode; })(someNode)) { }", options: ["except-parens"] },
+        { code: "if ((function(node) { return node = parentNode; })(someNode)) { }", options: ["always"] },
+        { code: "if ((node => node = parentNode)(someNode)) { }", options: ["except-parens"], parserOptions: { ecmaVersion: 6 } },
+        { code: "if ((node => node = parentNode)(someNode)) { }", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "if (function(node) { return node = parentNode; }) { }", options: ["except-parens"] },
+        { code: "if (function(node) { return node = parentNode; }) { }", options: ["always"] },
+        { code: "x = 0;", options: ["always"] },
+        "var x; var b = (x === 0) ? 1 : 0;",
+        { code: "switch (foo) { case a = b: bar(); }", options: ["except-parens"] },
+        { code: "switch (foo) { case a = b: bar(); }", options: ["always"] },
+        { code: "switch (foo) { case baz + (a = b): bar(); }", options: ["always"] }
+    ],
+    invalid: [
+        { code: "var x; if (x = 0) { var b = 1; }", errors: [{ messageId: "missing", type: "AssignmentExpression", line: 1, column: 12, endLine: 1, endColumn: 17 }] },
+        { code: "var x; while (x = 0) { var b = 1; }", errors: [{ messageId: "missing", type: "AssignmentExpression" }] },
+        { code: "var x = 0, y; do { y = x; } while (x = x + 1);", errors: [{ messageId: "missing", type: "AssignmentExpression" }] },
+        { code: "var x; for(; x+=1 ;){};", errors: [{ messageId: "missing", type: "AssignmentExpression" }] },
+        { code: "var x; if ((x) = (0));", errors: [{ messageId: "missing", type: "AssignmentExpression" }] },
+        { code: "if (someNode || (someNode = parentNode)) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "an 'if' statement" }, type: "AssignmentExpression", column: 18, endColumn: 39 }] },
+        { code: "while (someNode || (someNode = parentNode)) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'while' statement" }, type: "AssignmentExpression" }] },
+        { code: "do { } while (someNode || (someNode = parentNode));", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'do...while' statement" }, type: "AssignmentExpression" }] },
+        { code: "for (; (typeof l === 'undefined' ? (l = 0) : l); i++) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'for' statement" }, type: "AssignmentExpression" }] },
+        { code: "if (x = 0) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "an 'if' statement" }, type: "AssignmentExpression" }] },
+        { code: "while (x = 0) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'while' statement" }, type: "AssignmentExpression" }] },
+        { code: "do { } while (x = x + 1);", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'do...while' statement" }, type: "AssignmentExpression" }] },
+        { code: "for(; x = y; ) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'for' statement" }, type: "AssignmentExpression" }] },
+        { code: "if ((x = 0)) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "an 'if' statement" }, type: "AssignmentExpression" }] },
+        { code: "while ((x = 0)) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'while' statement" }, type: "AssignmentExpression" }] },
+        { code: "do { } while ((x = x + 1));", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'do...while' statement" }, type: "AssignmentExpression" }] },
+        { code: "for(; (x = y); ) { }", options: ["always"], errors: [{ messageId: "unexpected", data: { type: "a 'for' statement" }, type: "AssignmentExpression" }] },
+        { code: "var x; var b = (x = 0) ? 1 : 0;", errors: [{ messageId: "missing", type: "AssignmentExpression" }] },
+        { code: "var x; var b = x && (y = 0) ? 1 : 0;", options: ["always"], errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "(((3496.29)).bkufyydt = 2e308) ? foo : bar;", errors: [{ messageId: "missing", type: "AssignmentExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-confusing-arrow.js b/eslint/tests/lib/rules/no-confusing-arrow.js
new file mode 100644
index 0000000..58724d9
--- /dev/null
+++ b/eslint/tests/lib/rules/no-confusing-arrow.js
@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Tests for no-confusing-arrow rule.
+ * @author Jxck <https://github.com/Jxck>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-confusing-arrow"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-confusing-arrow", rule, {
+    valid: [
+        "a => { return 1 ? 2 : 3; }",
+        { code: "a => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
+
+        "var x = a => { return 1 ? 2 : 3; }",
+        { code: "var x = a => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
+
+        "var x = (a) => { return 1 ? 2 : 3; }",
+        { code: "var x = (a) => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
+
+        "var x = a => (1 ? 2 : 3)",
+        { code: "var x = a => (1 ? 2 : 3)", options: [{ allowParens: true }] }
+    ],
+    invalid: [
+        {
+            code: "a => 1 ? 2 : 3",
+            output: "a => (1 ? 2 : 3)",
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "a => 1 ? 2 : 3",
+            output: "a => (1 ? 2 : 3)",
+            options: [{ allowParens: true }],
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "a => 1 ? 2 : 3",
+            output: null,
+            options: [{ allowParens: false }],
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "var x = a => 1 ? 2 : 3",
+            output: "var x = a => (1 ? 2 : 3)",
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "var x = a => 1 ? 2 : 3",
+            output: "var x = a => (1 ? 2 : 3)",
+            options: [{ allowParens: true }],
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "var x = a => 1 ? 2 : 3",
+            output: null,
+            options: [{ allowParens: false }],
+            errors: [{ messageId: "confusing" }]
+        },
+        {
+            code: "var x = (a) => 1 ? 2 : 3",
+            output: "var x = (a) => (1 ? 2 : 3)",
+            errors: [{ messageId: "confusing" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-console.js b/eslint/tests/lib/rules/no-console.js
new file mode 100644
index 0000000..d1c9176
--- /dev/null
+++ b/eslint/tests/lib/rules/no-console.js
@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Tests for no-console rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-console"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-console", rule, {
+    valid: [
+        "Console.info(foo)",
+
+        // single array item
+        { code: "console.info(foo)", options: [{ allow: ["info"] }] },
+        { code: "console.warn(foo)", options: [{ allow: ["warn"] }] },
+        { code: "console.error(foo)", options: [{ allow: ["error"] }] },
+        { code: "console.log(foo)", options: [{ allow: ["log"] }] },
+
+        // multiple array items
+        { code: "console.info(foo)", options: [{ allow: ["warn", "info"] }] },
+        { code: "console.warn(foo)", options: [{ allow: ["error", "warn"] }] },
+        { code: "console.error(foo)", options: [{ allow: ["log", "error"] }] },
+        { code: "console.log(foo)", options: [{ allow: ["info", "log", "warn"] }] },
+
+        // https://github.com/eslint/eslint/issues/7010
+        "var console = require('myconsole'); console.log(foo)"
+    ],
+    invalid: [
+
+        // no options
+        { code: "console.log(foo)", errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.error(foo)", errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.info(foo)", errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.warn(foo)", errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+
+        //  one option
+        { code: "console.log(foo)", options: [{ allow: ["error"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.error(foo)", options: [{ allow: ["warn"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.info(foo)", options: [{ allow: ["log"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.warn(foo)", options: [{ allow: ["error"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+
+        // multiple options
+        { code: "console.log(foo)", options: [{ allow: ["warn", "info"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.error(foo)", options: [{ allow: ["warn", "info", "log"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.info(foo)", options: [{ allow: ["warn", "error", "log"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+        { code: "console.warn(foo)", options: [{ allow: ["info", "log"] }], errors: [{ messageId: "unexpected", type: "MemberExpression" }] },
+
+        // In case that implicit global variable of 'console' exists
+        { code: "console.log(foo)", env: { node: true }, errors: [{ messageId: "unexpected", type: "MemberExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-const-assign.js b/eslint/tests/lib/rules/no-const-assign.js
new file mode 100644
index 0000000..ab44e5c
--- /dev/null
+++ b/eslint/tests/lib/rules/no-const-assign.js
@@ -0,0 +1,87 @@
+/**
+ * @fileoverview Tests for no-const-assign rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-const-assign");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-const-assign", rule, {
+    valid: [
+        "const x = 0; { let x; x = 1; }",
+        "const x = 0; function a(x) { x = 1; }",
+        "const x = 0; foo(x);",
+        "for (const x in [1,2,3]) { foo(x); }",
+        "for (const x of [1,2,3]) { foo(x); }",
+        "const x = {key: 0}; x.key = 1;",
+
+        // ignores non constant.
+        "var x = 0; x = 1;",
+        "let x = 0; x = 1;",
+        "function x() {} x = 1;",
+        "function foo(x) { x = 1; }",
+        "class X {} X = 1;",
+        "try {} catch (x) { x = 1; }"
+    ],
+    invalid: [
+        {
+            code: "const x = 0; x = 1;",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const {a: x} = {a: 0}; x = 1;",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; ({x} = {x: 1});",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; ({a: x = 1} = {});",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; x += 1;",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; ++x;",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "for (const i = 0; i < 10; ++i) { foo(i); }",
+            errors: [{ messageId: "const", data: { name: "i" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; x = 1; x = 2;",
+            errors: [
+                { messageId: "const", data: { name: "x" }, type: "Identifier", line: 1, column: 14 },
+                { messageId: "const", data: { name: "x" }, type: "Identifier", line: 1, column: 21 }
+            ]
+        },
+        {
+            code: "const x = 0; function foo() { x = x + 1; }",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; function foo(a) { x = a; }",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = 0; while (true) { x = x + 1; }",
+            errors: [{ messageId: "const", data: { name: "x" }, type: "Identifier" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-constant-condition.js b/eslint/tests/lib/rules/no-constant-condition.js
new file mode 100644
index 0000000..2aa4fa7
--- /dev/null
+++ b/eslint/tests/lib/rules/no-constant-condition.js
@@ -0,0 +1,277 @@
+/**
+ * @fileoverview Tests for no-constant-condition rule.
+ * @author Christian Schulz <http://rndm.de>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-constant-condition"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-constant-condition", rule, {
+    valid: [
+        "if(a);",
+        "if(a == 0);",
+        "if(a = f());",
+        "if(1, a);",
+        "if ('every' in []);",
+        "if (`\\\n${a}`) {}",
+        "if (`${a}`);",
+        "if (`${foo()}`);",
+        "if (`${a === 'b' && b==='a'}`);",
+        "if (`foo${a}` === 'fooa');",
+        "if (tag`a`);",
+        "if (tag`${a}`);",
+        "while(~!a);",
+        "while(a = b);",
+        "while(`${a}`);",
+        "for(;x < 10;);",
+        "for(;;);",
+        "for(;`${a}`;);",
+        "do{ }while(x)",
+        "q > 0 ? 1 : 2;",
+        "`${a}` === a ? 1 : 2",
+        "`foo${a}` === a ? 1 : 2",
+        "tag`a` === a ? 1 : 2",
+        "tag`${a}` === a ? 1 : 2",
+        "while(x += 3) {}",
+        "while(tag`a`) {}",
+        "while(tag`${a}`) {}",
+        "while(`\\\n${a}`) {}",
+
+        // #5228, typeof conditions
+        "if(typeof x === 'undefined'){}",
+        "if(`${typeof x}` === 'undefined'){}",
+        "if(a === 'str' && typeof b){}",
+        "typeof a == typeof b",
+        "typeof 'a' === 'string'|| typeof b === 'string'",
+        "`${typeof 'a'}` === 'string'|| `${typeof b}` === 'string'",
+
+        // #5726, void conditions
+        "if (void a || a);",
+        "if (a || void a);",
+
+        // #5693
+        "if(xyz === 'str1' && abc==='str2'){}",
+        "if(xyz === 'str1' || abc==='str2'){}",
+        "if(xyz === 'str1' || abc==='str2' && pqr === 5){}",
+        "if(typeof abc === 'string' && abc==='str2'){}",
+        "if(false || abc==='str'){}",
+        "if(true && abc==='str'){}",
+        "if(typeof 'str' && abc==='str'){}",
+        "if(abc==='str' || false || def ==='str'){}",
+        "if(true && abc==='str' || def ==='str'){}",
+        "if(true && typeof abc==='string'){}",
+
+        // #11181, string literals
+        "if('str' || a){}",
+        "if('str1' && a){}",
+        "if(a && 'str'){}",
+        "if('str' || abc==='str'){}",
+
+        // #11306
+        "if ((foo || 'bar') === 'baz') {}",
+        "if ((foo || 'bar') !== 'baz') {}",
+        "if ((foo || 'bar') == 'baz') {}",
+        "if ((foo || 'bar') != 'baz') {}",
+        "if ((foo || 233) > 666) {}",
+        "if ((foo || 233) < 666) {}",
+        "if ((foo || 233) >= 666) {}",
+        "if ((foo || 233) <= 666) {}",
+        "if ((key || 'k') in obj) {}",
+        "if ((foo || {}) instanceof obj) {}",
+
+        // #12225
+        "if ('' + [y] === '' + [ty]) {}",
+        "if ('a' === '' + [ty]) {}",
+        "if ('' + [y, m, d] === 'a') {}",
+        "if ('' + [y, 'm'] === '' + [ty, 'tm']) {}",
+        "if ('' + [y, 'm'] === '' + ['ty']) {}",
+        "if ([,] in\n\n($2))\n ;\nelse\n ;",
+        "if ([...x]+'' === 'y'){}",
+
+        // { checkLoops: false }
+        { code: "while(true);", options: [{ checkLoops: false }] },
+        { code: "for(;true;);", options: [{ checkLoops: false }] },
+        { code: "do{}while(true)", options: [{ checkLoops: false }] },
+
+        "function* foo(){while(true){yield 'foo';}}",
+        "function* foo(){for(;true;){yield 'foo';}}",
+        "function* foo(){do{yield 'foo';}while(true)}",
+        "function* foo(){while (true) { while(true) {yield;}}}",
+        "function* foo() {for (; yield; ) {}}",
+        "function* foo() {for (; ; yield) {}}",
+        "function* foo() {while (true) {function* foo() {yield;}yield;}}",
+        "function* foo() { for (let x = yield; x < 10; x++) {yield;}yield;}",
+        "function* foo() { for (let x = yield; ; x++) { yield; }}"
+    ],
+    invalid: [
+        { code: "for(;true;);", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "for(;``;);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "for(;`foo`;);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "for(;`foo${bar}`;);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "do{}while(true)", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "do{}while(t = -2)", errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "do{}while(``)", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "do{}while(`foo`)", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "do{}while(`foo${bar}`)", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "true ? 1 : 2;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "q = 0 ? 1 : 2;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "(q = 0) ? 1 : 2;", errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "`` ? 1 : 2;", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "`foo` ? 1 : 2;", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "`foo${bar}` ? 1 : 2;", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(-2);", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] },
+        { code: "if(true);", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "if({});", errors: [{ messageId: "unexpected", type: "ObjectExpression" }] },
+        { code: "if(0 < 1);", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] },
+        { code: "if(0 || 1);", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(a, 1);", errors: [{ messageId: "unexpected", type: "SequenceExpression" }] },
+        { code: "if(`foo`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(``);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`\\\n`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`${'bar'}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`${'bar' + `foo`}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`foo${false || true}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`foo${bar}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`${bar}foo`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+
+
+        { code: "while([]);", errors: [{ messageId: "unexpected", type: "ArrayExpression" }] },
+        { code: "while(~!0);", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] },
+        { code: "while(x = 1);", errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "while(function(){});", errors: [{ messageId: "unexpected", type: "FunctionExpression" }] },
+        { code: "while(true);", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "while(() => {});", errors: [{ messageId: "unexpected", type: "ArrowFunctionExpression" }] },
+        { code: "while(`foo`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "while(``);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "while(`${'foo'}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "while(`${'foo' + 'bar'}`);", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+
+        // #5228 , typeof conditions
+        { code: "if(typeof x){}", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] },
+        { code: "if(`${typeof x}`){}", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(`${''}${typeof x}`){}", errors: [{ messageId: "unexpected", type: "TemplateLiteral" }] },
+        { code: "if(typeof 'abc' === 'string'){}", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] },
+        { code: "if(a = typeof b){}", errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "if(a, typeof b){}", errors: [{ messageId: "unexpected", type: "SequenceExpression" }] },
+        { code: "if(typeof 'a' == 'string' || typeof 'b' == 'string'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "while(typeof x){}", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] },
+
+        // #5726, void conditions
+        { code: "if(1 || void x);", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(void x);", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] },
+        { code: "if(y = void x);", errors: [{ messageId: "unexpected", type: "AssignmentExpression" }] },
+        { code: "if(x, void x);", errors: [{ messageId: "unexpected", type: "SequenceExpression" }] },
+        { code: "if(void x === void y);", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] },
+        { code: "if(void x && a);", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(a && void x);", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+
+        // #5693
+        { code: "if(false && abc==='str'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(true || abc==='str'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(abc==='str' || true){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(abc==='str' || true || def ==='str'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(false || true){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(typeof abc==='str' || true){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+
+        // #11181, string literals
+        { code: "if('str1' || 'str2'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if('str1' && 'str2'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(abc==='str' || 'str'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+        { code: "if(a || 'str'){}", errors: [{ messageId: "unexpected", type: "LogicalExpression" }] },
+
+        {
+            code: "function* foo(){while(true){} yield 'foo';}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo(){while(true){if (true) {yield 'foo';}}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo(){while(true){yield 'foo';} while(true) {}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "var a = function* foo(){while(true){} yield 'foo';}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "while (true) { function* foo() {yield;}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo(){if (true) {yield 'foo';}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo() {for (let foo = yield; true;) {}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo() {for (foo = yield; true;) {}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function foo() {while (true) {function* bar() {while (true) {yield;}}}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function foo() {while (true) {const bar = function*() {while (true) {yield;}}}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+        {
+            code: "function* foo() { for (let foo = 1 + 2 + 3 + (yield); true; baz) {}}",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        },
+
+        // #12225
+        {
+            code: "if([a]) {}",
+            errors: [{ messageId: "unexpected", type: "ArrayExpression" }]
+        },
+        {
+            code: "if([]) {}",
+            errors: [{ messageId: "unexpected", type: "ArrayExpression" }]
+        },
+        {
+            code: "if(''+['a']) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
+        },
+        {
+            code: "if(''+[]) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
+        },
+        {
+            code: "if([a]==[a]) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
+        },
+        {
+            code: "if([a] - '') {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
+        },
+        {
+            code: "if(+[a]) {}",
+            errors: [{ messageId: "unexpected", type: "UnaryExpression" }]
+        },
+        {
+            code: "if(+1) {}",
+            errors: [{ messageId: "unexpected", type: "UnaryExpression" }]
+        },
+        {
+            code: "if ([,] + ''){}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-constructor-return.js b/eslint/tests/lib/rules/no-constructor-return.js
new file mode 100644
index 0000000..0a8d3b0
--- /dev/null
+++ b/eslint/tests/lib/rules/no-constructor-return.js
@@ -0,0 +1,60 @@
+/**
+ * @fileoverview Tests for no-constructor-return rule.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-constructor-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2015 } });
+
+const errors = [{ type: "ReturnStatement", messageId: "unexpected" }];
+
+ruleTester.run("no-constructor-return", rule, {
+    valid: [
+        "function fn() { return }",
+        "function fn(kumiko) { if (kumiko) { return kumiko } }",
+        "const fn = function () { return }",
+        "const fn = function () { if (kumiko) { return kumiko } }",
+        "const fn = () => { return }",
+        "const fn = () => { if (kumiko) { return kumiko } }",
+        {
+            code: "return 'Kumiko Oumae'",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+
+        "class C {  }",
+        "class C { constructor() {} }",
+        "class C { constructor() { let v } }",
+        "class C { method() { return '' } }",
+        "class C { get value() { return '' } }",
+        "class C { constructor(a) { if (!a) { return } else { a() } } }",
+        "class C { constructor() { function fn() { return true } } }",
+        "class C { constructor() { this.fn = function () { return true } } }",
+        "class C { constructor() { this.fn = () => { return true } } }"
+    ],
+    invalid: [
+        {
+            code: "class C { constructor() { return } }",
+            errors
+        },
+        {
+            code: "class C { constructor() { return '' } }",
+            errors
+        },
+        {
+            code: "class C { constructor(a) { if (!a) { return '' } else { a() } } }",
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-continue.js b/eslint/tests/lib/rules/no-continue.js
new file mode 100644
index 0000000..32ab554
--- /dev/null
+++ b/eslint/tests/lib/rules/no-continue.js
@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Tests for no-continue rule.
+ * @author Borislav Zhivkov
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-continue"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-continue", rule, {
+    valid: [
+        "var sum = 0, i; for(i = 0; i < 10; i++){ if(i > 5) { sum += i; } }",
+        "var sum = 0, i = 0; while(i < 10) { if(i > 5) { sum += i; } i++; }"
+    ],
+
+    invalid: [
+        {
+            code: "var sum = 0, i; for(i = 0; i < 10; i++){ if(i <= 5) { continue; } sum += i; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "ContinueStatement"
+            }]
+        },
+        {
+            code: "var sum = 0, i; myLabel: for(i = 0; i < 10; i++){ if(i <= 5) { continue myLabel; } sum += i; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "ContinueStatement"
+            }]
+        },
+        {
+            code: "var sum = 0, i = 0; while(i < 10) { if(i <= 5) { i++; continue; } sum += i; i++; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "ContinueStatement"
+            }]
+        },
+        {
+            code: "var sum = 0, i = 0; myLabel: while(i < 10) { if(i <= 5) { i++; continue myLabel; } sum += i; i++; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "ContinueStatement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-control-regex.js b/eslint/tests/lib/rules/no-control-regex.js
new file mode 100644
index 0000000..19b66e8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-control-regex.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Tests for no-control-regex rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-control-regex"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-control-regex", rule, {
+    valid: [
+        "var regex = /x1f/",
+        String.raw`var regex = /\\x1f/`,
+        "var regex = new RegExp('x1f')",
+        "var regex = RegExp('x1f')",
+        "new RegExp('[')",
+        "RegExp('[')",
+        "new (function foo(){})('\\x1f')"
+    ],
+    invalid: [
+        { code: String.raw`var regex = /\x1f/`, errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }] },
+        { code: String.raw`var regex = /\\\x1f\\x1e/`, errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }] },
+        { code: String.raw`var regex = /\\\x1fFOO\\x00/`, errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }] },
+        { code: String.raw`var regex = /FOO\\\x1fFOO\\x1f/`, errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }] },
+        { code: "var regex = new RegExp('\\x1f\\x1e')", errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f, \\x1e" }, type: "Literal" }] },
+        { code: "var regex = new RegExp('\\x1fFOO\\x00')", errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f, \\x00" }, type: "Literal" }] },
+        { code: "var regex = new RegExp('FOO\\x1fFOO\\x1f')", errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f, \\x1f" }, type: "Literal" }] },
+        { code: "var regex = RegExp('\\x1f')", errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }] },
+        {
+            code: "var regex = /(?<a>\\x1f)/",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ messageId: "unexpected", data: { controlChars: "\\x1f" }, type: "Literal" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-debugger.js b/eslint/tests/lib/rules/no-debugger.js
new file mode 100644
index 0000000..ac8586d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-debugger.js
@@ -0,0 +1,32 @@
+/**
+ * @fileoverview Tests for no-debugger rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-debugger"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-debugger", rule, {
+    valid: [
+        "var test = { debugger: 1 }; test.debugger;"
+    ],
+    invalid: [
+        {
+            code: "if (foo) debugger",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "DebuggerStatement" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-delete-var.js b/eslint/tests/lib/rules/no-delete-var.js
new file mode 100644
index 0000000..6741934
--- /dev/null
+++ b/eslint/tests/lib/rules/no-delete-var.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Tests for no-delete-var rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-delete-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-delete-var", rule, {
+    valid: [
+        "delete x.prop;"
+    ],
+    invalid: [
+        { code: "delete x", errors: [{ messageId: "unexpected", type: "UnaryExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-div-regex.js b/eslint/tests/lib/rules/no-div-regex.js
new file mode 100644
index 0000000..4627e20
--- /dev/null
+++ b/eslint/tests/lib/rules/no-div-regex.js
@@ -0,0 +1,33 @@
+/**
+ * @fileoverview Tests for no-div-regex rule.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-div-regex"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-div-regex", rule, {
+    valid: [
+        "var f = function() { return /foo/ig.test('bar'); };",
+        "var f = function() { return /\\=foo/; };"
+    ],
+    invalid: [
+        {
+            code: "var f = function() { return /=foo/; };",
+            output: "var f = function() { return /[=]foo/; };",
+            errors: [{ messageId: "unexpected", type: "Literal" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-dupe-args.js b/eslint/tests/lib/rules/no-dupe-args.js
new file mode 100644
index 0000000..671f3c7
--- /dev/null
+++ b/eslint/tests/lib/rules/no-dupe-args.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Tests for no-dupe-args
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-dupe-args"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-dupe-args", rule, {
+    valid: [
+        "function a(a, b, c){}",
+        "var a = function(a, b, c){}",
+        { code: "function a({a, b}, {c, d}){}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function a([ , a]) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo([[a, b], [c, d]]) {}", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        { code: "function a(a, b, b) {}", errors: [{ messageId: "unexpected", data: { name: "b" } }] },
+        { code: "function a(a, a, a) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }] },
+        { code: "function a(a, b, a) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }] },
+        { code: "function a(a, b, a, b) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }, { messageId: "unexpected", data: { name: "b" } }] },
+        { code: "var a = function(a, b, b) {}", errors: [{ messageId: "unexpected", data: { name: "b" } }] },
+        { code: "var a = function(a, a, a) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }] },
+        { code: "var a = function(a, b, a) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }] },
+        { code: "var a = function(a, b, a, b) {}", errors: [{ messageId: "unexpected", data: { name: "a" } }, { messageId: "unexpected", data: { name: "b" } }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-dupe-class-members.js b/eslint/tests/lib/rules/no-dupe-class-members.js
new file mode 100644
index 0000000..a1a534d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-dupe-class-members.js
@@ -0,0 +1,222 @@
+/**
+ * @fileoverview Tests for no-dupe-class-members rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-dupe-class-members");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-dupe-class-members", rule, {
+    valid: [
+        "class A { foo() {} bar() {} }",
+        "class A { static foo() {} foo() {} }",
+        "class A { get foo() {} set foo(value) {} }",
+        "class A { static foo() {} get foo() {} set foo(value) {} }",
+        "class A { foo() { } } class B { foo() { } }",
+        "class A { [foo]() {} foo() {} }",
+        "class A { 'foo'() {} 'bar'() {} baz() {} }",
+        "class A { *'foo'() {} *'bar'() {} *baz() {} }",
+        "class A { get 'foo'() {} get 'bar'() {} get baz() {} }",
+        "class A { 1() {} 2() {} }",
+        "class A { ['foo']() {} ['bar']() {} }",
+        "class A { [`foo`]() {} [`bar`]() {} }",
+        "class A { [12]() {} [123]() {} }",
+        "class A { [1.0]() {} ['1.0']() {} }",
+        "class A { [0x1]() {} [`0x1`]() {} }",
+        "class A { [null]() {} ['']() {} }",
+        "class A { get ['foo']() {} set ['foo'](value) {} }",
+        "class A { ['foo']() {} static ['foo']() {} }",
+
+        // computed "constructor" key doesn't create constructor
+        "class A { ['constructor']() {} constructor() {} }",
+        "class A { 'constructor'() {} [`constructor`]() {} }",
+        "class A { constructor() {} get [`constructor`]() {} }",
+        "class A { 'constructor'() {} set ['constructor'](value) {} }",
+
+        // not assumed to be statically-known values
+        "class A { ['foo' + '']() {} ['foo']() {} }",
+        "class A { [`foo${''}`]() {} [`foo`]() {} }",
+        "class A { [-1]() {} ['-1']() {} }",
+
+        // not supported by this rule
+        "class A { [foo]() {} [foo]() {} }"
+    ],
+    invalid: [
+        {
+            code: "class A { foo() {} foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 20, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "!class A { foo() {} foo() {} };",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 21, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { 'foo'() {} 'foo'() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 22, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { 10() {} 1e1() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 19, messageId: "unexpected", data: { name: "10" } }
+            ]
+        },
+        {
+            code: "class A { ['foo']() {} ['foo']() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 24, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { static ['foo']() {} static foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 31, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { set 'foo'(value) {} set ['foo'](val) {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 31, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { ''() {} ['']() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 19, messageId: "unexpected", data: { name: "" } }
+            ]
+        },
+        {
+            code: "class A { [`foo`]() {} [`foo`]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 24, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { static get [`foo`]() {} static get ['foo']() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 35, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { foo() {} [`foo`]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 20, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { get [`foo`]() {} 'foo'() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 28, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { static 'foo'() {} static [`foo`]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 29, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { ['constructor']() {} ['constructor']() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 32, messageId: "unexpected", data: { name: "constructor" } }
+            ]
+        },
+        {
+            code: "class A { static [`constructor`]() {} static constructor() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 39, messageId: "unexpected", data: { name: "constructor" } }
+            ]
+        },
+        {
+            code: "class A { static constructor() {} static 'constructor'() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 35, messageId: "unexpected", data: { name: "constructor" } }
+            ]
+        },
+        {
+            code: "class A { [123]() {} [123]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 22, messageId: "unexpected", data: { name: "123" } }
+            ]
+        },
+        {
+            code: "class A { [0x10]() {} 16() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 23, messageId: "unexpected", data: { name: "16" } }
+            ]
+        },
+        {
+            code: "class A { [100]() {} [1e2]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 22, messageId: "unexpected", data: { name: "100" } }
+            ]
+        },
+        {
+            code: "class A { [123.00]() {} [`123`]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 25, messageId: "unexpected", data: { name: "123" } }
+            ]
+        },
+        {
+            code: "class A { static '65'() {} static [0o101]() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 28, messageId: "unexpected", data: { name: "65" } }
+            ]
+        },
+        {
+            code: "class A { [123n]() {} 123() {} }",
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 23, messageId: "unexpected", data: { name: "123" } }
+            ]
+        },
+        {
+            code: "class A { [null]() {} 'null'() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 23, messageId: "unexpected", data: { name: "null" } }
+            ]
+        },
+        {
+            code: "class A { foo() {} foo() {} foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 20, messageId: "unexpected", data: { name: "foo" } },
+                { type: "MethodDefinition", line: 1, column: 29, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { static foo() {} static foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 27, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { foo() {} get foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 20, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        },
+        {
+            code: "class A { set foo(value) {} foo() {} }",
+            errors: [
+                { type: "MethodDefinition", line: 1, column: 29, messageId: "unexpected", data: { name: "foo" } }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-dupe-else-if.js b/eslint/tests/lib/rules/no-dupe-else-if.js
new file mode 100644
index 0000000..156c22f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-dupe-else-if.js
@@ -0,0 +1,317 @@
+/**
+ * @fileoverview Tests for the no-dupe-else-if rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-dupe-else-if");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-dupe-else-if", rule, {
+    valid: [
+
+        // different test conditions
+        "if (a) {} else if (b) {}",
+        "if (a); else if (b); else if (c);",
+        "if (true) {} else if (false) {} else {}",
+        "if (1) {} else if (2) {}",
+        "if (f) {} else if (f()) {}",
+        "if (f(a)) {} else if (g(a)) {}",
+        "if (f(a)) {} else if (f(b)) {}",
+        "if (a === 1) {} else if (a === 2) {}",
+        "if (a === 1) {} else if (b === 1) {}",
+
+        // not an if-else-if chain
+        "if (a) {}",
+        "if (a);",
+        "if (a) {} else {}",
+        "if (a) if (a) {}",
+        "if (a) if (a);",
+        "if (a) { if (a) {} }",
+        "if (a) {} else { if (a) {} }",
+        "if (a) {} if (a) {}",
+        "if (a); if (a);",
+        "while (a) if (a);",
+        "if (a); else a ? a : a;",
+
+        // not same conditions in the chain
+        "if (a) { if (b) {} } else if (b) {}",
+        "if (a) if (b); else if (a);",
+
+        // not equal tokens
+        "if (a) {} else if (!!a) {}",
+        "if (a === 1) {} else if (a === (1)) {}",
+
+        // more complex valid chains (may contain redundant subconditions, but the branch can be executed)
+        "if (a || b) {} else if (c || d) {}",
+        "if (a || b) {} else if (a || c) {}",
+        "if (a) {} else if (a || b) {}",
+        "if (a) {} else if (b) {} else if (a || b || c) {}",
+        "if (a && b) {} else if (a) {} else if (b) {}",
+        "if (a && b) {} else if (b && c) {} else if (a && c) {}",
+        "if (a && b) {} else if (b || c) {}",
+        "if (a) {} else if (b && (a || c)) {}",
+        "if (a) {} else if (b && (c || d && a)) {}",
+        "if (a && b && c) {} else if (a && b && (c || d)) {}"
+    ],
+
+    invalid: [
+
+        // basic tests
+        {
+            code: "if (a) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 20 }]
+        },
+        {
+            code: "if (a); else if (a);",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 18 }]
+        },
+        {
+            code: "if (a) {} else if (a) {} else {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 20 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (a) {} else if (c) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (c) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 50 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (b) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (b) {} else {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (c) {} else if (b) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 50 }]
+        },
+        {
+            code: "if (a); else if (b); else if (c); else if (b); else if (d); else;",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 44 }]
+        },
+        {
+            code: "if (a); else if (b); else if (c); else if (d); else if (b); else if (e);",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 57 }]
+        },
+
+        // multiple duplicates of the same condition
+        {
+            code: "if (a) {} else if (a) {} else if (a) {}",
+            errors: [
+                { messageId: "unexpected", type: "Identifier", column: 20 },
+                { messageId: "unexpected", type: "Identifier", column: 35 }
+            ]
+        },
+
+        // multiple duplicates of different conditions
+        {
+            code: "if (a) {} else if (b) {} else if (a) {} else if (b) {} else if (a) {}",
+            errors: [
+                { messageId: "unexpected", type: "Identifier", column: 35 },
+                { messageId: "unexpected", type: "Identifier", column: 50 },
+                { messageId: "unexpected", type: "Identifier", column: 65 }
+            ]
+        },
+
+        // inner if statements do not affect chain
+        {
+            code: "if (a) { if (b) {} } else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 31 }]
+        },
+
+        // various kinds of test conditions
+        {
+            code: "if (a === 1) {} else if (a === 1) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression", column: 26 }]
+        },
+        {
+            code: "if (1 < a) {} else if (1 < a) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression", column: 24 }]
+        },
+        {
+            code: "if (true) {} else if (true) {}",
+            errors: [{ messageId: "unexpected", type: "Literal", column: 23 }]
+        },
+        {
+            code: "if (a && b) {} else if (a && b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a && b || c)  {} else if (a && b || c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 31 }]
+        },
+        {
+            code: "if (f(a)) {} else if (f(a)) {}",
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 23 }]
+        },
+
+        // spaces and comments do not affect comparison
+        {
+            code: "if (a === 1) {} else if (a===1) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression", column: 26 }]
+        },
+        {
+            code: "if (a === 1) {} else if (a === /* comment */ 1) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression", column: 26 }]
+        },
+
+        // extra parens around the whole test condition do not affect comparison
+        {
+            code: "if (a === 1) {} else if ((a === 1)) {}",
+            errors: [{ messageId: "unexpected", type: "BinaryExpression", column: 27 }]
+        },
+
+        // more complex errors with `||` and `&&`
+        {
+            code: "if (a || b) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 25 }]
+        },
+        {
+            code: "if (a || b) {} else if (a) {} else if (b) {}",
+            errors: [
+                { messageId: "unexpected", type: "Identifier", column: 25 },
+                { messageId: "unexpected", type: "Identifier", column: 40 }
+            ]
+        },
+        {
+            code: "if (a || b) {} else if (b || a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (a || b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if (a || b) {} else if (c || d) {} else if (a || d) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 45 }]
+        },
+        {
+            code: "if ((a === b && fn(c)) || d) {} else if (fn(c) && a === b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 42 }]
+        },
+        {
+            code: "if (a) {} else if (a && b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 20 }]
+        },
+        {
+            code: "if (a && b) {} else if (b && a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a && b) {} else if (a && b && c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a || c) {} else if (a && b || c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (c && a || b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (c && (a || b)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b && c) {} else if (d && (a || e && c && b)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 40 }]
+        },
+        {
+            code: "if (a || b && c) {} else if (b && c && d) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 30 }]
+        },
+        {
+            code: "if (a || b) {} else if (b && c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if ((a || b) && c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if ((a && (b || c)) || d) {} else if ((c || b) && e && a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 39 }]
+        },
+        {
+            code: "if (a && b || b && c) {} else if (a && b && c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (b && c) {} else if (d && (c && e && b || a)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 40 }]
+        },
+        {
+            code: "if (a || (b && (c || d))) {} else if ((d || c) && b) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 39 }]
+        },
+        {
+            code: "if (a || b) {} else if ((b || a) && c) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a || b) {} else if (c) {} else if (d) {} else if (b && (a || c)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 55 }]
+        },
+        {
+            code: "if (a || b || c) {} else if (a || (b && d) || (c && e)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 30 }]
+        },
+        {
+            code: "if (a || (b || c)) {} else if (a || (b && c)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 32 }]
+        },
+        {
+            code: "if (a || b) {} else if (c) {} else if (d) {} else if ((a || c) && (b || d)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 55 }]
+        },
+        {
+            code: "if (a) {} else if (b) {} else if (c && (a || d && b)) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 35 }]
+        },
+        {
+            code: "if (a) {} else if (a || a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 20 }]
+        },
+        {
+            code: "if (a || a) {} else if (a || a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a || a) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 25 }]
+        },
+        {
+            code: "if (a) {} else if (a && a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 20 }]
+        },
+        {
+            code: "if (a && a) {} else if (a && a) {}",
+            errors: [{ messageId: "unexpected", type: "LogicalExpression", column: 25 }]
+        },
+        {
+            code: "if (a && a) {} else if (a) {}",
+            errors: [{ messageId: "unexpected", type: "Identifier", column: 25 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-dupe-keys.js b/eslint/tests/lib/rules/no-dupe-keys.js
new file mode 100644
index 0000000..a6062a2
--- /dev/null
+++ b/eslint/tests/lib/rules/no-dupe-keys.js
@@ -0,0 +1,51 @@
+/**
+ * @fileoverview Tests for no-dupe-keys rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-dupe-keys"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-dupe-keys", rule, {
+    valid: [
+        "var foo = { __proto__: 1, two: 2};",
+        "var x = { foo: 1, bar: 2 };",
+        "var x = { '': 1, bar: 2 };",
+        "var x = { '': 1, ' ': 2 };",
+        { code: "var x = { '': 1, [null]: 2 };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = { '': 1, [a]: 2 };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = { [a]: 1, [a]: 2 };", parserOptions: { ecmaVersion: 6 } },
+        "+{ get a() { }, set a(b) { } };",
+        { code: "var x = { a: b, [a]: b };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = { a: b, ...c }", parserOptions: { ecmaVersion: 2018 } },
+        { code: "var x = { get a() {}, set a (value) {} };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = { a: 1, b: { a: 2 } };", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = ({ null: 1, [/(?<zero>0)/]: 2 })", parserOptions: { ecmaVersion: 2018 } },
+        { code: "var {a, a} = obj", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        { code: "var x = { a: b, ['a']: b };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
+        { code: "var x = { y: 1, y: 2 };", errors: [{ messageId: "unexpected", data: { name: "y" }, type: "ObjectExpression" }] },
+        { code: "var x = { '': 1, '': 2 };", errors: [{ messageId: "unexpected", data: { name: "" }, type: "ObjectExpression" }] },
+        { code: "var x = { '': 1, [``]: 2 };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "" }, type: "ObjectExpression" }] },
+        { code: "var foo = { 0x1: 1, 1: 2};", errors: [{ messageId: "unexpected", data: { name: "1" }, type: "ObjectExpression" }] },
+        { code: "var x = { \"z\": 1, z: 2 };", errors: [{ messageId: "unexpected", data: { name: "z" }, type: "ObjectExpression" }] },
+        { code: "var foo = {\n  bar: 1,\n  bar: 1,\n}", errors: [{ messageId: "unexpected", data: { name: "bar" }, line: 3, column: 3 }] },
+        { code: "var x = { a: 1, get a() {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
+        { code: "var x = { a: 1, set a(value) {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "a" }, type: "ObjectExpression" }] },
+        { code: "var x = { a: 1, b: { a: 2 }, get b() {} };", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", data: { name: "b" }, type: "ObjectExpression" }] },
+        { code: "var x = ({ '/(?<zero>0)/': 1, [/(?<zero>0)/]: 2 })", parserOptions: { ecmaVersion: 2018 }, errors: [{ messageId: "unexpected", data: { name: "/(?<zero>0)/" }, type: "ObjectExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-duplicate-case.js b/eslint/tests/lib/rules/no-duplicate-case.js
new file mode 100644
index 0000000..a6e8e0f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-duplicate-case.js
@@ -0,0 +1,133 @@
+/**
+ * @fileoverview Tests for no-duplicate-case rule.
+ * @author Dieter Oberkofler
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-duplicate-case"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-duplicate-case", rule, {
+    valid: [
+        "var a = 1; switch (a) {case 1: break; case 2: break; default: break;}",
+        "var a = 1; switch (a) {case 1: break; case '1': break; default: break;}",
+        "var a = 1; switch (a) {case 1: break; case true: break; default: break;}",
+        "var a = 1; switch (a) {default: break;}",
+        "var a = 1, p = {p: {p1: 1, p2: 1}}; switch (a) {case p.p.p1: break; case p.p.p2: break; default: break;}",
+        "var a = 1, f = function(b) { return b ? { p1: 1 } : { p1: 2 }; }; switch (a) {case f(true).p1: break; case f(true, false).p1: break; default: break;}",
+        "var a = 1, f = function(s) { return { p1: s } }; switch (a) {case f(a + 1).p1: break; case f(a + 2).p1: break; default: break;}",
+        "var a = 1, f = function(s) { return { p1: s } }; switch (a) {case f(a == 1 ? 2 : 3).p1: break; case f(a === 1 ? 2 : 3).p1: break; default: break;}",
+        "var a = 1, f1 = function() { return { p1: 1 } }, f2 = function() { return { p1: 2 } }; switch (a) {case f1().p1: break; case f2().p1: break; default: break;}",
+        "var a = [1,2]; switch(a.toString()){case ([1,2]).toString():break; case ([1]).toString():break; default:break;}",
+        "switch(a) { case a: break; } switch(a) { case a: break; }",
+        "switch(a) { case toString: break; }"
+    ],
+    invalid: [
+        {
+            code: "var a = 1; switch (a) {case 1: break; case 1: break; case 2: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 39
+            }]
+        },
+        {
+            code: "var a = '1'; switch (a) {case '1': break; case '1': break; case '2': break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 43
+            }]
+        },
+        {
+            code: "var a = 1, one = 1; switch (a) {case one: break; case one: break; case 2: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 50
+            }]
+        },
+        {
+            code: "var a = 1, p = {p: {p1: 1, p2: 1}}; switch (a) {case p.p.p1: break; case p.p.p1: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 69
+            }]
+        },
+        {
+            code: "var a = 1, f = function(b) { return b ? { p1: 1 } : { p1: 2 }; }; switch (a) {case f(true).p1: break; case f(true).p1: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 103
+            }]
+        },
+        {
+            code: "var a = 1, f = function(s) { return { p1: s } }; switch (a) {case f(a + 1).p1: break; case f(a + 1).p1: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 87
+            }]
+        },
+        {
+            code: "var a = 1, f = function(s) { return { p1: s } }; switch (a) {case f(a === 1 ? 2 : 3).p1: break; case f(a === 1 ? 2 : 3).p1: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 97
+            }]
+        },
+        {
+            code: "var a = 1, f1 = function() { return { p1: 1 } }; switch (a) {case f1().p1: break; case f1().p1: break; default: break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 83
+            }]
+        },
+        {
+            code: "var a = [1, 2]; switch(a.toString()){case ([1, 2]).toString():break; case ([1, 2]).toString():break; default:break;}",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 70
+            }]
+        },
+        {
+            code: "switch (a) { case a: case a: }",
+            errors: [{
+                messageId: "unexpected",
+                type: "SwitchCase",
+                column: 22
+            }]
+        },
+        {
+            code: "switch (a) { case a: break; case b: break; case a: break; case c: break; case a: break; }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SwitchCase",
+                    column: 44
+                },
+                {
+                    messageId: "unexpected",
+                    type: "SwitchCase",
+                    column: 74
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-duplicate-imports.js b/eslint/tests/lib/rules/no-duplicate-imports.js
new file mode 100644
index 0000000..42d35c8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-duplicate-imports.js
@@ -0,0 +1,88 @@
+/**
+ * @fileoverview Tests for no-duplicate-imports.
+ * @author Simen Bekkhus
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-duplicate-imports"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+ruleTester.run("no-duplicate-imports", rule, {
+    valid: [
+        "import os from \"os\";\nimport fs from \"fs\";",
+        "import { merge } from \"lodash-es\";",
+        "import _, { merge } from \"lodash-es\";",
+        "import * as Foobar from \"async\";",
+        "import \"foo\"",
+        "import os from \"os\";\nexport { something } from \"os\";",
+        {
+            code: "import os from \"os\";\nexport { hello } from \"hello\";",
+            options: [{ includeExports: true }]
+        },
+        {
+            code: "import os from \"os\";\nexport * from \"hello\";",
+            options: [{ includeExports: true }]
+        },
+        {
+            code: "import os from \"os\";\nexport { hello as hi } from \"hello\";",
+            options: [{ includeExports: true }]
+        },
+        {
+            code: "import os from \"os\";\nexport default function(){};",
+            options: [{ includeExports: true }]
+        },
+        {
+            code: "import { merge } from \"lodash-es\";\nexport { merge as lodashMerge }",
+            options: [{ includeExports: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "import \"fs\";\nimport \"fs\"",
+            errors: [{ messageId: "import", data: { module: "fs" }, type: "ImportDeclaration" }]
+        },
+        {
+            code: "import { merge } from \"lodash-es\";import { find } from \"lodash-es\";",
+            errors: [{ messageId: "import", data: { module: "lodash-es" }, type: "ImportDeclaration" }]
+        },
+        {
+            code: "import { merge } from \"lodash-es\";import _ from \"lodash-es\";",
+            errors: [{ messageId: "import", data: { module: "lodash-es" }, type: "ImportDeclaration" }]
+        },
+        {
+            code: "export { os } from \"os\";\nexport { something } from \"os\";",
+            options: [{ includeExports: true }],
+            errors: [{ messageId: "export", data: { module: "os" }, type: "ExportNamedDeclaration" }]
+        },
+        {
+            code: "import os from \"os\"; export { os as foobar } from \"os\";\nexport { something } from \"os\";",
+            options: [{ includeExports: true }],
+            errors: [
+                { messageId: "exportAs", data: { module: "os" }, type: "ExportNamedDeclaration" },
+                { messageId: "export", data: { module: "os" }, type: "ExportNamedDeclaration" },
+                { messageId: "exportAs", data: { module: "os" }, type: "ExportNamedDeclaration" }
+            ]
+        },
+        {
+            code: "import os from \"os\";\nexport { something } from \"os\";",
+            options: [{ includeExports: true }],
+            errors: [{ messageId: "exportAs", data: { module: "os" }, type: "ExportNamedDeclaration" }]
+        },
+        {
+            code: "import os from \"os\";\nexport * from \"os\";",
+            options: [{ includeExports: true }],
+            errors: [{ messageId: "exportAs", data: { module: "os" }, type: "ExportAllDeclaration" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-else-return.js b/eslint/tests/lib/rules/no-else-return.js
new file mode 100644
index 0000000..5486bbb
--- /dev/null
+++ b/eslint/tests/lib/rules/no-else-return.js
@@ -0,0 +1,523 @@
+/**
+ * @fileoverview Tests for no-else-return rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-else-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-else-return", rule, {
+    valid: [
+        "function foo() { if (true) { if (false) { return x; } } else { return y; } }",
+        "function foo() { if (true) { return x; } return y; }",
+        "function foo() { if (true) { for (;;) { return x; } } else { return y; } }",
+        "function foo() { var x = true; if (x) { return x; } else if (x === false) { return false; } }",
+        "function foo() { if (true) notAReturn(); else return y; }",
+        "function foo() {if (x) { notAReturn(); } else if (y) { return true; } else { notAReturn(); } }",
+        "function foo() {if (x) { return true; } else if (y) { notAReturn() } else { notAReturn(); } }",
+        "if (0) { if (0) {} else {} } else {}",
+        `
+            function foo() {
+                if (foo)
+                    if (bar) return;
+                    else baz;
+                else qux;
+            }
+        `,
+        `
+            function foo() {
+                while (foo)
+                    if (bar) return;
+                    else baz;
+            }
+        `,
+        {
+            code: "function foo19() { if (true) { return x; } else if (false) { return y; } }",
+            options: [{ allowElseIf: true }]
+        },
+        {
+            code: "function foo20() {if (x) { return true; } else if (y) { notAReturn() } else { notAReturn(); } }",
+            options: [{ allowElseIf: true }]
+        },
+        {
+            code: "function foo21() { var x = true; if (x) { return x; } else if (x === false) { return false; } }",
+            options: [{ allowElseIf: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "function foo1() { if (true) { return x; } else { return y; } }",
+            output: "function foo1() { if (true) { return x; }  return y;  }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo2() { if (true) { var x = bar; return x; } else { var y = baz; return y; } }",
+            output: "function foo2() { if (true) { var x = bar; return x; }  var y = baz; return y;  }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo3() { if (true) return x; else return y; }",
+            output: "function foo3() { if (true) return x; return y; }",
+            errors: [{ messageId: "unexpected", type: "ReturnStatement" }]
+        },
+        {
+            code: "function foo4() { if (true) { if (false) return x; else return y; } else { return z; } }",
+            output: "function foo4() { if (true) { if (false) return x; return y; } else { return z; } }", // Other case is fixed in the second pass.
+            errors: [{ messageId: "unexpected", type: "ReturnStatement" }, { messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo5() { if (true) { if (false) { if (true) return x; else { w = y; } } else { w = x; } } else { return z; } }",
+            output: "function foo5() { if (true) { if (false) { if (true) return x;  w = y;  } else { w = x; } } else { return z; } }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo6() { if (true) { if (false) { if (true) return x; else return y; } } else { return z; } }",
+            output: "function foo6() { if (true) { if (false) { if (true) return x; return y; } } else { return z; } }",
+            errors: [{ messageId: "unexpected", type: "ReturnStatement" }]
+        },
+        {
+            code: "function foo7() { if (true) { if (false) { if (true) return x; else return y; } return w; } else { return z; } }",
+            output: "function foo7() { if (true) { if (false) { if (true) return x; return y; } return w; } else { return z; } }", // Other case is fixed in the second pass.
+            errors: [
+                { messageId: "unexpected", type: "ReturnStatement" },
+                { messageId: "unexpected", type: "BlockStatement" }
+            ]
+        },
+        {
+            code: "function foo8() { if (true) { if (false) { if (true) return x; else return y; } else { w = x; } } else { return z; } }",
+            output: "function foo8() { if (true) { if (false) { if (true) return x; return y; } else { w = x; } } else { return z; } }", // Other case is fixed in the second pass.
+            errors: [
+                { messageId: "unexpected", type: "ReturnStatement" },
+                { messageId: "unexpected", type: "BlockStatement" }
+            ]
+        },
+        {
+            code: "function foo9() {if (x) { return true; } else if (y) { return true; } else { notAReturn(); } }",
+            output: "function foo9() {if (x) { return true; } else if (y) { return true; }  notAReturn();  }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo9a() {if (x) { return true; } else if (y) { return true; } else { notAReturn(); } }",
+            output: "function foo9a() {if (x) { return true; } if (y) { return true; } else { notAReturn(); } }",
+            options: [{ allowElseIf: false }],
+            errors: [{ messageId: "unexpected", type: "IfStatement" }]
+        },
+        {
+            code: "function foo9b() {if (x) { return true; } if (y) { return true; } else { notAReturn(); } }",
+            output: "function foo9b() {if (x) { return true; } if (y) { return true; }  notAReturn();  }",
+            options: [{ allowElseIf: false }],
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo10() { if (foo) return bar; else (foo).bar(); }",
+            output: "function foo10() { if (foo) return bar; (foo).bar(); }",
+            errors: [{ messageId: "unexpected", type: "ExpressionStatement" }]
+        },
+        {
+            code: "function foo11() { if (foo) return bar \nelse { [1, 2, 3].map(foo) } }",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo12() { if (foo) return bar \nelse { baz() } \n[1, 2, 3].map(foo) }",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo13() { if (foo) return bar; \nelse { [1, 2, 3].map(foo) } }",
+            output: "function foo13() { if (foo) return bar; \n [1, 2, 3].map(foo)  }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo14() { if (foo) return bar \nelse { baz(); } \n[1, 2, 3].map(foo) }",
+            output: "function foo14() { if (foo) return bar \n baz();  \n[1, 2, 3].map(foo) }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo15() { if (foo) return bar; else { baz() } qaz() }",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo16() { if (foo) return bar \nelse { baz() } qaz() }",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo17() { if (foo) return bar \nelse { baz() } \nqaz() }",
+            output: "function foo17() { if (foo) return bar \n baz()  \nqaz() }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo18() { if (foo) return function() {} \nelse [1, 2, 3].map(bar) }",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "ExpressionStatement" }]
+        },
+        {
+            code: "function foo19() { if (true) { return x; } else if (false) { return y; } }",
+            output: "function foo19() { if (true) { return x; } if (false) { return y; } }",
+            options: [{ allowElseIf: false }],
+            errors: [{ messageId: "unexpected", type: "IfStatement" }]
+        },
+        {
+            code: "function foo20() {if (x) { return true; } else if (y) { notAReturn() } else { notAReturn(); } }",
+            output: "function foo20() {if (x) { return true; } if (y) { notAReturn() } else { notAReturn(); } }",
+            options: [{ allowElseIf: false }],
+            errors: [{ messageId: "unexpected", type: "IfStatement" }]
+        },
+        {
+            code: "function foo21() { var x = true; if (x) { return x; } else if (x === false) { return false; } }",
+            output: "function foo21() { var x = true; if (x) { return x; } if (x === false) { return false; } }",
+            options: [{ allowElseIf: false }],
+            errors: [{ messageId: "unexpected", type: "IfStatement" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11069
+        {
+            code: "function foo() { var a; if (bar) { return true; } else { var a; } }",
+            output: "function foo() { var a; if (bar) { return true; }  var a;  }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { var a; if (baz) { return true; } else { var a; } } }",
+            output: "function foo() { if (bar) { var a; if (baz) { return true; }  var a;  } }",
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { var a; if (bar) { return true; } else { var a; } }",
+            output: "function foo() { var a; if (bar) { return true; }  var a;  }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { var a; if (baz) { return true; } else { var a; } } }",
+            output: "function foo() { if (bar) { var a; if (baz) { return true; }  var a;  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { let a; if (bar) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "class foo { bar() { let a; if (baz) { return true; } else { let a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { let a; if (baz) { return true; } else { let a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() {let a; if (bar) { if (baz) { return true; } else { let a; } } }",
+            output: "function foo() {let a; if (bar) { if (baz) { return true; }  let a;  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { const a = 1; if (bar) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { const a = 1; if (baz) { return true; } else { let a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { let a; if (bar) { return true; } else { const a = 1 } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { let a; if (baz) { return true; } else { const a = 1; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { class a {}; if (bar) { return true; } else { const a = 1; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { class a {}; if (baz) { return true; } else { const a = 1; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { const a = 1; if (bar) { return true; } else { class a {} } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { const a = 1; if (baz) { return true; } else { class a {} } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { var a; if (bar) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { var a; return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; }  while (baz) { var a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo(a) { if (bar) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpected", type: "BlockStatement" }
+            ]
+        },
+        {
+            code: "function foo(a = 1) { if (bar) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo(a, b = a) { if (bar) { return true; } else { let a; }  if (bar) { return true; } else { let b; }}",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpected", type: "BlockStatement" },
+                { messageId: "unexpected", type: "BlockStatement" }
+            ]
+        },
+        {
+            code: "function foo(...args) { if (bar) { return true; } else { let args; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { try {} catch (a) { if (bar) { return true; } else { let a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { try {} catch (a) { if (bar) { if (baz) { return true; } else { let a; } } } }",
+            output: "function foo() { try {} catch (a) { if (bar) { if (baz) { return true; }  let a;  } } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { try {} catch ({bar, a = 1}) { if (baz) { return true; } else { let a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let arguments; } }",
+            output: "function foo() { if (bar) { return true; }  let arguments;  }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let arguments; } return arguments[0]; }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let arguments; } if (baz) { return arguments[0]; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let arguments; } } }",
+            output: "function foo() { if (bar) { if (baz) { return true; }  let arguments;  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; } a; }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; } if (baz) { a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } } a; }",
+            output: "function foo() { if (bar) { if (baz) { return true; }  let a;  } a; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } if (quux) { a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function a() { if (foo) { return true; } else { let a; } a(); }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function a() { if (a) { return true; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function a() { if (foo) { return a; } else { let a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; } function baz() { a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } (() => a) } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; } var a; }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } var a; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } var { a } = {}; } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } if (quux) { var a; } } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } } if (quux) { var a; } }",
+            output: "function foo() { if (bar) { if (baz) { return true; }  let a;  } if (quux) { var a; } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (quux) { var a; } if (bar) { if (baz) { return true; } else { let a; } } }",
+            output: "function foo() { if (quux) { var a; } if (bar) { if (baz) { return true; }  let a;  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else { let a; } function a(){} }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (baz) { if (bar) { return true; } else { let a; } function a(){} } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } } if (quux) { function a(){}  } }",
+            output: "function foo() { if (bar) { if (baz) { return true; }  let a;  } if (quux) { function a(){}  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { if (baz) { return true; } else { let a; } } function a(){} }",
+            output: "function foo() { if (bar) { if (baz) { return true; }  let a;  } function a(){} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { let a; if (bar) { return true; } else { function a(){} } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { var a; if (bar) { return true; } else { function a(){} } }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "function foo() { if (bar) { return true; } else function baz() {} };",
+            output: null,
+            errors: [{ messageId: "unexpected", type: "FunctionDeclaration" }]
+        },
+        {
+            code: "if (foo) { return true; } else { let a; }",
+            output: "if (foo) { return true; }  let a; ",
+            parserOptions: { ecmaVersion: 6 },
+            env: { node: true },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        },
+        {
+            code: "let a; if (foo) { return true; } else { let a; }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            env: { node: true },
+            errors: [{ messageId: "unexpected", type: "BlockStatement" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-empty-character-class.js b/eslint/tests/lib/rules/no-empty-character-class.js
new file mode 100644
index 0000000..1421c2a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-empty-character-class.js
@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Tests for no-empty-class rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-empty-character-class"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-empty-character-class", rule, {
+    valid: [
+        "var foo = /^abc[a-zA-Z]/;",
+        "var regExp = new RegExp(\"^abc[]\");",
+        "var foo = /^abc/;",
+        "var foo = /[\\[]/;",
+        "var foo = /[\\]]/;",
+        "var foo = /[a-zA-Z\\[]/;",
+        "var foo = /[[]/;",
+        "var foo = /[\\[a-z[]]/;",
+        "var foo = /[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\^\\$\\|]/g;",
+        "var foo = /\\s*:\\s*/gim;",
+        { code: "var foo = /[\\]]/uy;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = /[\\]]/s;", parserOptions: { ecmaVersion: 2018 } },
+        "var foo = /\\[]/"
+    ],
+    invalid: [
+        { code: "var foo = /^abc[]/;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "var foo = /foo[]bar/;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "if (foo.match(/^abc[]/)) {}", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "if (/^abc[]/.test(foo)) {}", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "var foo = /[]]/;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "var foo = /\\[[]/;", errors: [{ messageId: "unexpected", type: "Literal" }] },
+        { code: "var foo = /\\[\\[\\]a-z[]/;", errors: [{ messageId: "unexpected", type: "Literal" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-empty-function.js b/eslint/tests/lib/rules/no-empty-function.js
new file mode 100644
index 0000000..c43ec4a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-empty-function.js
@@ -0,0 +1,316 @@
+/**
+ * @fileoverview Tests for no-empty-function rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-empty-function"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ALLOW_OPTIONS = Object.freeze([
+    "functions",
+    "arrowFunctions",
+    "generatorFunctions",
+    "methods",
+    "generatorMethods",
+    "getters",
+    "setters",
+    "constructors",
+    "asyncFunctions",
+    "asyncMethods"
+]);
+
+/**
+ * Folds test items to `{valid: [], invalid: []}`.
+ * One item would be converted to 4 valid patterns and 8 invalid patterns.
+ * @param {{valid: Object[], invalid: Object[]}} patterns The result.
+ * @param {{code: string, message: string, allow: string}} item A test item.
+ * @returns {{valid: Object[], invalid: Object[]}} The result.
+ */
+function toValidInvalid(patterns, item) {
+
+    const ecmaVersion =
+        item.parserOptions && item.parserOptions.ecmaVersion
+            ? item.parserOptions.ecmaVersion
+            : 6;
+
+    // Valid Patterns
+    patterns.valid.push(
+        {
+            code: item.code.replace("{}", "{ bar(); }"),
+            parserOptions: { ecmaVersion }
+        },
+        {
+            code: item.code.replace("{}", "{ /* empty */ }"),
+            parserOptions: { ecmaVersion }
+        },
+        {
+            code: item.code.replace("{}", "{\n    // empty\n}"),
+            parserOptions: { ecmaVersion }
+        },
+        {
+            code: `${item.code} // allow: ${item.allow}`,
+            options: [{ allow: [item.allow] }],
+            parserOptions: { ecmaVersion }
+        }
+    );
+
+    const error = item.message || { messageId: item.messageId, data: item.data };
+
+    // Invalid Patterns.
+    patterns.invalid.push({
+        code: item.code,
+        errors: [error],
+        parserOptions: { ecmaVersion }
+    });
+    ALLOW_OPTIONS
+        .filter(allow => allow !== item.allow)
+        .forEach(allow => {
+
+            // non related "allow" option has no effect.
+            patterns.invalid.push({
+                code: `${item.code} // allow: ${allow}`,
+                errors: [error],
+                options: [{ allow: [allow] }],
+                parserOptions: { ecmaVersion }
+            });
+        });
+
+    return patterns;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-empty-function", rule, [
+    {
+        code: "function foo() {}",
+        messageId: "unexpected",
+        data: { name: "function 'foo'" },
+        allow: "functions"
+    },
+    {
+        code: "var foo = function() {};",
+        messageId: "unexpected",
+        data: { name: "function" },
+        allow: "functions"
+    },
+    {
+        code: "var obj = {foo: function() {}};",
+        messageId: "unexpected",
+        data: { name: "method 'foo'" },
+        allow: "functions"
+    },
+    {
+        code: "var foo = () => {};",
+        messageId: "unexpected",
+        data: { name: "arrow function" },
+        allow: "arrowFunctions"
+    },
+    {
+        code: "function* foo() {}",
+        messageId: "unexpected",
+        data: { name: "generator function 'foo'" },
+        allow: "generatorFunctions"
+    },
+    {
+        code: "var foo = function*() {};",
+        messageId: "unexpected",
+        data: { name: "generator function" },
+        allow: "generatorFunctions"
+    },
+    {
+        code: "var obj = {foo: function*() {}};",
+        messageId: "unexpected",
+        data: { name: "generator method 'foo'" },
+        allow: "generatorFunctions"
+    },
+    {
+        code: "var obj = {foo() {}};",
+        messageId: "unexpected",
+        data: { name: "method 'foo'" },
+        allow: "methods"
+    },
+    {
+        code: "class A {foo() {}}",
+        messageId: "unexpected",
+        data: { name: "method 'foo'" },
+        allow: "methods"
+    },
+    {
+        code: "class A {static foo() {}}",
+        messageId: "unexpected",
+        data: { name: "static method 'foo'" },
+        allow: "methods"
+    },
+    {
+        code: "var A = class {foo() {}};",
+        messageId: "unexpected",
+        data: { name: "method 'foo'" },
+        allow: "methods"
+    },
+    {
+        code: "var A = class {static foo() {}};",
+        messageId: "unexpected",
+        data: { name: "static method 'foo'" },
+        allow: "methods"
+    },
+    {
+        code: "var obj = {*foo() {}};",
+        messageId: "unexpected",
+        data: { name: "generator method 'foo'" },
+        allow: "generatorMethods"
+    },
+    {
+        code: "class A {*foo() {}}",
+        messageId: "unexpected",
+        data: { name: "generator method 'foo'" },
+        allow: "generatorMethods"
+    },
+    {
+        code: "class A {static *foo() {}}",
+        messageId: "unexpected",
+        data: { name: "static generator method 'foo'" },
+        allow: "generatorMethods"
+    },
+    {
+        code: "var A = class {*foo() {}};",
+        messageId: "unexpected",
+        data: { name: "generator method 'foo'" },
+        allow: "generatorMethods"
+    },
+    {
+        code: "var A = class {static *foo() {}};",
+        messageId: "unexpected",
+        data: { name: "static generator method 'foo'" },
+        allow: "generatorMethods"
+    },
+    {
+        code: "var obj = {get foo() {}};",
+        messageId: "unexpected",
+        data: { name: "getter 'foo'" },
+        allow: "getters"
+    },
+    {
+        code: "class A {get foo() {}}",
+        messageId: "unexpected",
+        data: { name: "getter 'foo'" },
+        allow: "getters"
+    },
+    {
+        code: "class A {static get foo() {}}",
+        messageId: "unexpected",
+        data: { name: "static getter 'foo'" },
+        allow: "getters"
+    },
+    {
+        code: "var A = class {get foo() {}};",
+        messageId: "unexpected",
+        data: { name: "getter 'foo'" },
+        allow: "getters"
+    },
+    {
+        code: "var A = class {static get foo() {}};",
+        messageId: "unexpected",
+        data: { name: "static getter 'foo'" },
+        allow: "getters"
+    },
+    {
+        code: "var obj = {set foo(value) {}};",
+        messageId: "unexpected",
+        data: { name: "setter 'foo'" },
+        allow: "setters"
+    },
+    {
+        code: "class A {set foo(value) {}}",
+        messageId: "unexpected",
+        data: { name: "setter 'foo'" },
+        allow: "setters"
+    },
+    {
+        code: "class A {static set foo(value) {}}",
+        messageId: "unexpected",
+        data: { name: "static setter 'foo'" },
+        allow: "setters"
+    },
+    {
+        code: "var A = class {set foo(value) {}};",
+        messageId: "unexpected",
+        data: { name: "setter 'foo'" },
+        allow: "setters"
+    },
+    {
+        code: "var A = class {static set foo(value) {}};",
+        messageId: "unexpected",
+        data: { name: "static setter 'foo'" },
+        allow: "setters"
+    },
+    {
+        code: "class A {constructor() {}}",
+        messageId: "unexpected",
+        data: { name: "constructor" },
+        allow: "constructors"
+    },
+    {
+        code: "var A = class {constructor() {}};",
+        messageId: "unexpected",
+        data: { name: "constructor" },
+        allow: "constructors"
+    },
+    {
+        code: "const foo = { async method() {} }",
+        allow: "asyncMethods",
+        messageId: "unexpected",
+        data: { name: "async method 'method'" },
+        parserOptions: { ecmaVersion: 8 }
+    },
+    {
+        code: "async function a(){}",
+        allow: "asyncFunctions",
+        messageId: "unexpected",
+        data: { name: "async function 'a'" },
+        parserOptions: { ecmaVersion: 8 }
+    },
+    {
+        code: "const foo = async function () {}",
+        messageId: "unexpected",
+        data: { name: "async function" },
+        allow: "asyncFunctions",
+        parserOptions: { ecmaVersion: 8 }
+    },
+    {
+        code: "class Foo { async bar() {} }",
+        messageId: "unexpected",
+        data: { name: "async method 'bar'" },
+        allow: "asyncMethods",
+        parserOptions: { ecmaVersion: 8 }
+    },
+    {
+        code: "const foo = async () => {};",
+        messageId: "unexpected",
+        data: { name: "async arrow function" },
+        allow: "arrowFunctions",
+        parserOptions: { ecmaVersion: 8 }
+    }
+].reduce(toValidInvalid, {
+    valid: [
+        {
+            code: "var foo = () => 0;",
+            parserOptions: { ecmaVersion: 6 }
+        }
+
+    ],
+    invalid: []
+}));
diff --git a/eslint/tests/lib/rules/no-empty-pattern.js b/eslint/tests/lib/rules/no-empty-pattern.js
new file mode 100644
index 0000000..0d2d7ea
--- /dev/null
+++ b/eslint/tests/lib/rules/no-empty-pattern.js
@@ -0,0 +1,116 @@
+/**
+ * @fileoverview Tests for no-empty-pattern rule.
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-empty-pattern"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-empty-pattern", rule, {
+
+    // Examples of code that should not trigger the rule
+    valid: [
+        { code: "var {a = {}} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a, b = {}} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a = []} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo({a = {}}) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo({a = []}) {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a] = foo", parserOptions: { ecmaVersion: 6 } }
+    ],
+
+    // Examples of code that should trigger the rule
+    invalid: [
+        {
+            code: "var {} = foo",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "object" },
+                type: "ObjectPattern"
+            }]
+        },
+        {
+            code: "var [] = foo",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "array" },
+                type: "ArrayPattern"
+            }]
+        },
+        {
+            code: "var {a: {}} = foo",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "object" },
+                type: "ObjectPattern"
+            }]
+        },
+        {
+            code: "var {a, b: {}} = foo",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "object" },
+                type: "ObjectPattern"
+            }]
+        },
+        {
+            code: "var {a: []} = foo",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "array" },
+                type: "ArrayPattern"
+            }]
+        },
+        {
+            code: "function foo({}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "object" },
+                type: "ObjectPattern"
+            }]
+        },
+        {
+            code: "function foo([]) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "array" },
+                type: "ArrayPattern"
+            }]
+        },
+        {
+            code: "function foo({a: {}}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "object" },
+                type: "ObjectPattern"
+            }]
+        },
+        {
+            code: "function foo({a: []}) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                data: { type: "array" },
+                type: "ArrayPattern"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-empty.js b/eslint/tests/lib/rules/no-empty.js
new file mode 100644
index 0000000..98651a4
--- /dev/null
+++ b/eslint/tests/lib/rules/no-empty.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview Tests for no-empty rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-empty"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-empty", rule, {
+    valid: [
+        "if (foo) { bar() }",
+        "while (foo) { bar() }",
+        "for (;foo;) { bar() }",
+        "try { foo() } catch (ex) { foo() }",
+        "switch(foo) {case 'foo': break;}",
+        "(function() { }())",
+        { code: "var foo = () => {};", parserOptions: { ecmaVersion: 6 } },
+        "function foo() { }",
+        "if (foo) {/* empty */}",
+        "while (foo) {/* empty */}",
+        "for (;foo;) {/* empty */}",
+        "try { foo() } catch (ex) {/* empty */}",
+        "try { foo() } catch (ex) {// empty\n}",
+        "try { foo() } finally {// empty\n}",
+        "try { foo() } finally {// test\n}",
+        "try { foo() } finally {\n \n // hi i am off no use\n}",
+        "try { foo() } catch (ex) {/* test111 */}",
+        "if (foo) { bar() } else { // nothing in me \n}",
+        "if (foo) { bar() } else { /**/ \n}",
+        "if (foo) { bar() } else { // \n}",
+        { code: "try { foo(); } catch (ex) {}", options: [{ allowEmptyCatch: true }] },
+        { code: "try { foo(); } catch (ex) {} finally { bar(); }", options: [{ allowEmptyCatch: true }] }
+    ],
+    invalid: [
+        { code: "try {} catch (ex) {throw ex}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "try { foo() } catch (ex) {}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "try { foo() } catch (ex) {throw ex} finally {}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "if (foo) {}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "while (foo) {}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "for (;foo;) {}", errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }] },
+        { code: "switch(foo) {}", errors: [{ messageId: "unexpected", data: { type: "switch" }, type: "SwitchStatement" }] },
+        {
+            code: "try {} catch (ex) {}",
+            options: [{ allowEmptyCatch: true }],
+            errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }]
+        },
+        {
+            code: "try { foo(); } catch (ex) {} finally {}",
+            options: [{ allowEmptyCatch: true }],
+            errors: [{ messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }]
+        },
+        {
+            code: "try {} catch (ex) {} finally {}",
+            options: [{ allowEmptyCatch: true }],
+            errors: [
+                { messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" },
+                { messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }
+            ]
+        },
+        {
+            code: "try { foo(); } catch (ex) {} finally {}",
+            errors: [
+                { messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" },
+                { messageId: "unexpected", data: { type: "block" }, type: "BlockStatement" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-eq-null.js b/eslint/tests/lib/rules/no-eq-null.js
new file mode 100644
index 0000000..6ac277f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-eq-null.js
@@ -0,0 +1,31 @@
+/**
+ * @fileoverview Tests for no-eq-null rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-eq-null"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-eq-null", rule, {
+    valid: [
+        "if (x === null) { }",
+        "if (null === f()) { }"
+    ],
+    invalid: [
+        { code: "if (x == null) { }", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] },
+        { code: "if (x != null) { }", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] },
+        { code: "do {} while (null == x)", errors: [{ messageId: "unexpected", type: "BinaryExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-eval.js b/eslint/tests/lib/rules/no-eval.js
new file mode 100644
index 0000000..ad184bd
--- /dev/null
+++ b/eslint/tests/lib/rules/no-eval.js
@@ -0,0 +1,105 @@
+/**
+ * @fileoverview Tests for no-eval rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-eval"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-eval", rule, {
+    valid: [
+        "Eval(foo)",
+        "setTimeout('foo')",
+        "setInterval('foo')",
+        "window.setTimeout('foo')",
+        "window.setInterval('foo')",
+
+        // User-defined eval methods.
+        "window.eval('foo')",
+        { code: "window.eval('foo')", env: { node: true } },
+        { code: "window.noeval('foo')", env: { browser: true } },
+        { code: "function foo() { var eval = 'foo'; window[eval]('foo') }", env: { browser: true } },
+        "global.eval('foo')",
+        { code: "global.eval('foo')", env: { browser: true } },
+        { code: "global.noeval('foo')", env: { node: true } },
+        { code: "function foo() { var eval = 'foo'; global[eval]('foo') }", env: { node: true } },
+        "globalThis.eval('foo')",
+        { code: "globalThis.eval('foo')", env: { es2017: true } },
+        { code: "globalThis.eval('foo')", env: { browser: true } },
+        { code: "globalThis.noneval('foo')", env: { es2020: true } },
+        { code: "function foo() { var eval = 'foo'; globalThis[eval]('foo') }", env: { es2020: true } },
+        "this.noeval('foo');",
+        "function foo() { 'use strict'; this.eval('foo'); }",
+        { code: "function foo() { this.eval('foo'); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { this.eval('foo'); }", parserOptions: { ecmaFeatures: { impliedStrict: true } } },
+        "var obj = {foo: function() { this.eval('foo'); }}",
+        "var obj = {}; obj.foo = function() { this.eval('foo'); }",
+        { code: "class A { foo() { this.eval(); } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { static foo() { this.eval(); } }", parserOptions: { ecmaVersion: 6 } },
+
+        // Allows indirect eval
+        { code: "(0, eval)('foo')", options: [{ allowIndirect: true }] },
+        { code: "(0, window.eval)('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
+        { code: "(0, window['eval'])('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
+        { code: "var EVAL = eval; EVAL('foo')", options: [{ allowIndirect: true }] },
+        { code: "var EVAL = this.eval; EVAL('foo')", options: [{ allowIndirect: true }] },
+        { code: "(function(exe){ exe('foo') })(eval);", options: [{ allowIndirect: true }] },
+        { code: "window.eval('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
+        { code: "window.window.eval('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
+        { code: "window.window['eval']('foo')", options: [{ allowIndirect: true }], env: { browser: true } },
+        { code: "global.eval('foo')", options: [{ allowIndirect: true }], env: { node: true } },
+        { code: "global.global.eval('foo')", options: [{ allowIndirect: true }], env: { node: true } },
+        { code: "this.eval('foo')", options: [{ allowIndirect: true }] },
+        { code: "function foo() { this.eval('foo') }", options: [{ allowIndirect: true }] },
+        { code: "(0, globalThis.eval)('foo')", options: [{ allowIndirect: true }], env: { es2020: true } },
+        { code: "(0, globalThis['eval'])('foo')", options: [{ allowIndirect: true }], env: { es2020: true } },
+        { code: "var EVAL = globalThis.eval; EVAL('foo')", options: [{ allowIndirect: true }] },
+        { code: "function foo() { globalThis.eval('foo') }", options: [{ allowIndirect: true }], env: { es2020: true } },
+        { code: "globalThis.globalThis.eval('foo');", options: [{ allowIndirect: true }], env: { es2020: true } }
+    ],
+
+    invalid: [
+
+        // Direct eval
+        { code: "eval(foo)", errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
+        { code: "eval('foo')", errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
+        { code: "function foo(eval) { eval('foo') }", errors: [{ messageId: "unexpected", type: "CallExpression", column: 22, endColumn: 26 }] },
+        { code: "eval(foo)", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
+        { code: "eval('foo')", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 1, endColumn: 5 }] },
+        { code: "function foo(eval) { eval('foo') }", options: [{ allowIndirect: true }], errors: [{ messageId: "unexpected", type: "CallExpression", column: 22, endColumn: 26 }] },
+
+        // Indirect eval
+        { code: "(0, eval)('foo')", errors: [{ messageId: "unexpected", type: "Identifier", column: 5, endColumn: 9 }] },
+        { code: "(0, window.eval)('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 12, endColumn: 16 }] },
+        { code: "(0, window['eval'])('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 12, endColumn: 18 }] },
+        { code: "var EVAL = eval; EVAL('foo')", errors: [{ messageId: "unexpected", type: "Identifier", column: 12, endColumn: 16 }] },
+        { code: "var EVAL = this.eval; EVAL('foo')", errors: [{ messageId: "unexpected", type: "MemberExpression", column: 17, endColumn: 21 }] },
+        { code: "(function(exe){ exe('foo') })(eval);", errors: [{ messageId: "unexpected", type: "Identifier", column: 31, endColumn: 35 }] },
+        { code: "window.eval('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 8, endColumn: 12 }] },
+        { code: "window.window.eval('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 19 }] },
+        { code: "window.window['eval']('foo')", env: { browser: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 21 }] },
+        { code: "global.eval('foo')", env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 8, endColumn: 12 }] },
+        { code: "global.global.eval('foo')", env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 19 }] },
+        { code: "global.global[`eval`]('foo')", parserOptions: { ecmaVersion: 6 }, env: { node: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 15, endColumn: 21 }] },
+        { code: "this.eval('foo')", errors: [{ messageId: "unexpected", type: "CallExpression", column: 6, endColumn: 10 }] },
+        { code: "function foo() { this.eval('foo') }", errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 27 }] },
+        { code: "var EVAL = globalThis.eval; EVAL('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 23, endColumn: 27 }] },
+        { code: "globalThis.eval('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 12, endColumn: 16 }] },
+        { code: "globalThis.globalThis.eval('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 27 }] },
+        { code: "globalThis.globalThis['eval']('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "CallExpression", column: 23, endColumn: 29 }] },
+        { code: "(0, globalThis.eval)('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 16, endColumn: 20 }] },
+        { code: "(0, globalThis['eval'])('foo')", env: { es2020: true }, errors: [{ messageId: "unexpected", type: "MemberExpression", column: 16, endColumn: 22 }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-ex-assign.js b/eslint/tests/lib/rules/no-ex-assign.js
new file mode 100644
index 0000000..0c00dba
--- /dev/null
+++ b/eslint/tests/lib/rules/no-ex-assign.js
@@ -0,0 +1,34 @@
+/**
+ * @fileoverview Tests for no-ex-assign rule.
+ * @author Stephen Murray <spmurrayzzz>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-ex-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-ex-assign", rule, {
+    valid: [
+        "try { } catch (e) { three = 2 + 1; }",
+        { code: "try { } catch ({e}) { this.something = 2; }", parserOptions: { ecmaVersion: 6 } },
+        "function foo() { try { } catch (e) { return false; } }"
+    ],
+    invalid: [
+        { code: "try { } catch (e) { e = 10; }", errors: [{ messageId: "unexpected", type: "Identifier" }] },
+        { code: "try { } catch (ex) { ex = 10; }", errors: [{ messageId: "unexpected", type: "Identifier" }] },
+        { code: "try { } catch (ex) { [ex] = []; }", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", type: "Identifier" }] },
+        { code: "try { } catch (ex) { ({x: ex = 0} = {}); }", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", type: "Identifier" }] },
+        { code: "try { } catch ({message}) { message = 10; }", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpected", type: "Identifier" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-extend-native.js b/eslint/tests/lib/rules/no-extend-native.js
new file mode 100644
index 0000000..a381774
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extend-native.js
@@ -0,0 +1,141 @@
+/**
+ * @fileoverview Tests for no-extend-native rule.
+ * @author David Nelson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extend-native"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-extend-native", rule, {
+    valid: [
+        "x.prototype.p = 0",
+        "x.prototype['p'] = 0",
+        "Object.p = 0",
+        "Object.toString.bind = 0",
+        "Object['toString'].bind = 0",
+        "Object.defineProperty(x, 'p', {value: 0})",
+        "Object.defineProperties(x, {p: {value: 0}})",
+        "global.Object.prototype.toString = 0",
+        "this.Object.prototype.toString = 0",
+        "with(Object) { prototype.p = 0; }",
+        "o = Object; o.prototype.toString = 0",
+        "eval('Object.prototype.toString = 0')",
+        "parseFloat.prototype.x = 1",
+        {
+            code: "Object.prototype.g = 0",
+            options: [{ exceptions: ["Object"] }]
+        },
+
+        // https://github.com/eslint/eslint/issues/4438
+        "Object.defineProperty()",
+        "Object.defineProperties()",
+
+        // https://github.com/eslint/eslint/issues/8461
+        "function foo() { var Object = function() {}; Object.prototype.p = 0 }",
+        {
+            code: "{ let Object = function() {}; Object.prototype.p = 0 }",
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [{
+        code: "Object.prototype.p = 0",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Object" },
+            type: "AssignmentExpression"
+        }]
+    }, {
+        code: "BigInt.prototype.p = 0",
+        env: { es2020: true },
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "BigInt" },
+            type: "AssignmentExpression"
+        }]
+    }, {
+        code: "Function.prototype['p'] = 0",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Function" },
+            type: "AssignmentExpression"
+        }]
+    }, {
+        code: "String['prototype'].p = 0",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "String" },
+            type: "AssignmentExpression"
+        }]
+    }, {
+        code: "Number['prototype']['p'] = 0",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Number" },
+            type: "AssignmentExpression"
+        }]
+    }, {
+        code: "Object.defineProperty(Array.prototype, 'p', {value: 0})",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Array" },
+            type: "CallExpression"
+        }]
+    }, {
+        code: "Object.defineProperties(Array.prototype, {p: {value: 0}})",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Array" },
+            type: "CallExpression"
+        }]
+    }, {
+        code: "Object.defineProperties(Array.prototype, {p: {value: 0}, q: {value: 0}})",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Array" },
+            type: "CallExpression"
+        }]
+    },
+    {
+        code: "Number['prototype']['p'] = 0",
+        options: [{ exceptions: ["Object"] }],
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Number" },
+            type: "AssignmentExpression"
+        }]
+    },
+    {
+        code: "Object.prototype.p = 0; Object.prototype.q = 0",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Object" },
+            type: "AssignmentExpression",
+            column: 1
+        }, {
+            messageId: "unexpected",
+            data: { builtin: "Object" },
+            type: "AssignmentExpression",
+            column: 25
+        }]
+    },
+    {
+        code: "function foo() { Object.prototype.p = 0 }",
+        errors: [{
+            messageId: "unexpected",
+            data: { builtin: "Object" },
+            type: "AssignmentExpression"
+        }]
+    }]
+});
diff --git a/eslint/tests/lib/rules/no-extra-bind.js b/eslint/tests/lib/rules/no-extra-bind.js
new file mode 100644
index 0000000..1219796
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extra-bind.js
@@ -0,0 +1,185 @@
+/**
+ * @fileoverview Tests for no-extra-bind rule
+ * @author Bence Dányi <bence@danyi.me>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extra-bind"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const errors = [{ messageId: "unexpected", type: "CallExpression" }];
+
+ruleTester.run("no-extra-bind", rule, {
+    valid: [
+        "var a = function(b) { return b }.bind(c, d)",
+        { code: "var a = function(b) { return b }.bind(...c)", parserOptions: { ecmaVersion: 6 } },
+        "var a = function() { this.b }()",
+        "var a = function() { this.b }.foo()",
+        "var a = f.bind(a)",
+        "var a = function() { return this.b }.bind(c)",
+        { code: "var a = (() => { return b }).bind(c, d)", parserOptions: { ecmaVersion: 6 } },
+        "(function() { (function() { this.b }.bind(this)) }.bind(c))",
+        "var a = function() { return 1; }[bind](b)",
+        { code: "var a = function() { return 1; }[`bi${n}d`](b)", parserOptions: { ecmaVersion: 6 } },
+        { code: "var a = function() { return () => this; }.bind(b)", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "var a = function() { return 1; }.bind(b)",
+            output: "var a = function() { return 1; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "CallExpression",
+                line: 1,
+                column: 34,
+                endLine: 1,
+                endColumn: 38
+            }]
+        },
+        {
+            code: "var a = function() { return 1; }['bind'](b)",
+            output: "var a = function() { return 1; }",
+            errors: [{
+                messageId: "unexpected",
+                type: "CallExpression",
+                line: 1,
+                column: 34,
+                endLine: 1,
+                endColumn: 40
+            }]
+        },
+        {
+            code: "var a = function() { return 1; }[`bind`](b)",
+            output: "var a = function() { return 1; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpected",
+                type: "CallExpression",
+                line: 1,
+                column: 34,
+                endLine: 1,
+                endColumn: 40
+            }]
+        },
+        {
+            code: "var a = (() => { return 1; }).bind(b)",
+            output: "var a = (() => { return 1; })",
+            parserOptions: { ecmaVersion: 6 },
+            errors
+        },
+        {
+            code: "var a = (() => { return this; }).bind(b)",
+            output: "var a = (() => { return this; })",
+            parserOptions: { ecmaVersion: 6 },
+            errors
+        },
+        {
+            code: "var a = function() { (function(){ this.c }) }.bind(b)",
+            output: "var a = function() { (function(){ this.c }) }",
+            errors
+        },
+        {
+            code: "var a = function() { function c(){ this.d } }.bind(b)",
+            output: "var a = function() { function c(){ this.d } }",
+            errors
+        },
+        {
+            code: "var a = function() { return 1; }.bind(this)",
+            output: "var a = function() { return 1; }",
+            errors
+        },
+        {
+            code: "var a = function() { (function(){ (function(){ this.d }.bind(c)) }) }.bind(b)",
+            output: "var a = function() { (function(){ (function(){ this.d }.bind(c)) }) }",
+            errors: [{ messageId: "unexpected", type: "CallExpression", column: 71 }]
+        },
+
+        // Should not autofix if bind expression args have side effects
+        {
+            code: "var a = function() {}.bind(b++)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b())",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b.c)",
+            output: null,
+            errors
+        },
+
+        // Should not autofix if it would remove comments
+        {
+            code: "var a = function() {}/**/.bind(b)",
+            output: "var a = function() {}/**/",
+            errors
+        },
+        {
+            code: "var a = function() {}/**/['bind'](b)",
+            output: "var a = function() {}/**/",
+            errors
+        },
+        {
+            code: "var a = function() {}//comment\n.bind(b)",
+            output: "var a = function() {}//comment\n",
+            errors
+        },
+        {
+            code: "var a = function() {}./**/bind(b)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}[/**/'bind'](b)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.//\nbind(b)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind/**/(b)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(\n/**/b)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b/**/)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b//\n)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b\n/**/)",
+            output: null,
+            errors
+        },
+        {
+            code: "var a = function() {}.bind(b)/**/",
+            output: "var a = function() {}/**/",
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-extra-boolean-cast.js b/eslint/tests/lib/rules/no-extra-boolean-cast.js
new file mode 100644
index 0000000..715fe91
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extra-boolean-cast.js
@@ -0,0 +1,2400 @@
+/**
+ * @fileoverview Tests for no-extra-boolean-cast rule.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extra-boolean-cast"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-extra-boolean-cast", rule, {
+
+    valid: [
+        "Boolean(bar, !!baz);",
+        "var foo = !!bar;",
+        "function foo() { return !!bar; }",
+        "var foo = bar() ? !!baz : !!bat",
+        "for(!!foo;;) {}",
+        "for(;; !!foo) {}",
+        "var foo = Boolean(bar);",
+        "function foo() { return Boolean(bar); }",
+        "var foo = bar() ? Boolean(baz) : Boolean(bat)",
+        "for(Boolean(foo);;) {}",
+        "for(;; Boolean(foo)) {}",
+        "if (new Boolean(foo)) {}",
+        {
+            code: "var foo = bar || !!baz",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = bar && !!baz",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = bar || (baz && !!bat)",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "function foo() { return (!!bar || baz); }",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = bar() ? (!!baz && bat) : (!!bat && qux)",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "for(!!(foo && bar);;) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "for(;; !!(foo || bar)) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = Boolean(bar) || baz;",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = bar || Boolean(baz);",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = Boolean(bar) || Boolean(baz);",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "function foo() { return (Boolean(bar) || baz); }",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "var foo = bar() ? Boolean(baz) || bat : Boolean(bat)",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "for(Boolean(foo) || bar;;) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "for(;; Boolean(foo) || bar) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        {
+            code: "if (new Boolean(foo) || bar) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        },
+        "if (!!foo || bar) {}",
+        {
+            code: "if (!!foo || bar) {}",
+            options: [{}]
+        },
+        {
+            code: "if (!!foo || bar) {}",
+            options: [{ enforceForLogicalOperands: false }]
+        },
+        {
+            code: "if ((!!foo || bar) === baz) {}",
+            options: [{ enforceForLogicalOperands: true }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "if (!!foo) {}",
+            output: "if (foo) {}",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 5,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "do {} while (!!foo)",
+            output: "do {} while (foo)",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 14
+            }]
+        },
+        {
+            code: "while (!!foo) {}",
+            output: "while (foo) {}",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 8
+            }]
+        },
+        {
+            code: "!!foo ? bar : baz",
+            output: "foo ? bar : baz",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 1
+            }]
+        },
+        {
+            code: "for (; !!foo;) {}",
+            output: "for (; foo;) {}",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 8
+            }]
+        },
+        {
+            code: "!!!foo",
+            output: "!foo",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 2
+            }]
+        },
+        {
+            code: "Boolean(!!foo)",
+            output: "Boolean(foo)",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 9
+            }]
+        },
+        {
+            code: "new Boolean(!!foo)",
+            output: "new Boolean(foo)",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 13
+            }]
+        },
+        {
+            code: "if (Boolean(foo)) {}",
+            output: "if (foo) {}",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "do {} while (Boolean(foo))",
+            output: "do {} while (foo)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (Boolean(foo)) {}",
+            output: "while (foo) {}",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Boolean(foo) ? bar : baz",
+            output: "foo ? bar : baz",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "for (; Boolean(foo);) {}",
+            output: "for (; foo;) {}",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo)",
+            output: "!foo",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo && bar)",
+            output: "!(foo && bar)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo + bar)",
+            output: "!(foo + bar)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(+foo)",
+            output: "!+foo",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo())",
+            output: "!foo()",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo = bar)",
+            output: "!(foo = bar)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(...foo);",
+            output: null,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo, bar());",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean((foo, bar()));",
+            output: "!(foo, bar());",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean();",
+            output: "true;",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!(Boolean());",
+            output: "true;",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if (!Boolean()) { foo() }",
+            output: "if (true) { foo() }",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (!Boolean()) { foo() }",
+            output: "while (true) { foo() }",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var foo = Boolean() ? bar() : baz()",
+            output: "var foo = false ? bar() : baz()",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if (Boolean()) { foo() }",
+            output: "if (false) { foo() }",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (Boolean()) { foo() }",
+            output: "while (false) { foo() }",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Boolean(Boolean(foo))",
+            output: "Boolean(foo)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Boolean(!!foo, bar)",
+            output: "Boolean(foo, bar)",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+
+
+        // Adjacent tokens tests
+        {
+            code: "function *foo() { yield!!a ? b : c }",
+            output: "function *foo() { yield a ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield!! a ? b : c }",
+            output: "function *foo() { yield a ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield! !a ? b : c }",
+            output: "function *foo() { yield a ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield !!a ? b : c }",
+            output: "function *foo() { yield a ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield(!!a) ? b : c }",
+            output: "function *foo() { yield(a) ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield/**/!!a ? b : c }",
+            output: "function *foo() { yield/**/a ? b : c }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "x=!!a ? b : c ",
+            output: "x=a ? b : c ",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void!Boolean()",
+            output: "void true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void! Boolean()",
+            output: "void true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "typeof!Boolean()",
+            output: "typeof true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(!Boolean())",
+            output: "(true)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "+!Boolean()",
+            output: "+true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void !Boolean()",
+            output: "void true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void(!Boolean())",
+            output: "void(true)",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void/**/!Boolean()",
+            output: "void/**/true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+
+        // Comments tests
+        {
+            code: "!/**/!!foo",
+            output: "!/**/foo",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!/**/!foo",
+            output: null,
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!!/**/foo",
+            output: null,
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!!foo/**/",
+            output: "!foo/**/",
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "if(!/**/!foo);",
+            output: null,
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "(!!/**/foo ? 1 : 2)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!/**/Boolean(foo)",
+            output: "!/**/foo",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean/**/(foo)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(/**/foo)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo/**/)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo)/**/",
+            output: "!foo/**/",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean/**/(foo));",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(Boolean(foo/**/) ? 1 : 2)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "/**/!Boolean()",
+            output: "/**/true",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!/**/Boolean()",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean/**/()",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(/**/)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean()/**/",
+            output: "true/**/",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(!/**/Boolean());",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(!Boolean(/**/) ? 1 : 2)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(/**/Boolean());",
+            output: "if(/**/false);",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean/**/());",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean(/**/));",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean()/**/);",
+            output: "if(false/**/);",
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(Boolean/**/() ? 1 : 2)",
+            output: null,
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+
+
+        // In Logical context
+        {
+            code: "if (!!foo || bar) {}",
+            output: "if (foo || bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 5,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "if (!!foo && bar) {}",
+            output: "if (foo && bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 5,
+                endColumn: 10
+            }]
+        },
+
+        {
+            code: "if ((!!foo || bar) && bat) {}",
+            output: "if ((foo || bar) && bat) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 6,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "if (foo && !!bar) {}",
+            output: "if (foo && bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 12,
+                endColumn: 17
+            }]
+        },
+        {
+            code: "do {} while (!!foo || bar)",
+            output: "do {} while (foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 14
+            }]
+        },
+        {
+            code: "while (!!foo || bar) {}",
+            output: "while (foo || bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 8
+            }]
+        },
+        {
+            code: "!!foo && bat ? bar : baz",
+            output: "foo && bat ? bar : baz",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 1
+            }]
+        },
+        {
+            code: "for (; !!foo || bar;) {}",
+            output: "for (; foo || bar;) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 8
+            }]
+        },
+        {
+            code: "!!!foo || bar",
+            output: "!foo || bar",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 2
+            }]
+        },
+        {
+            code: "Boolean(!!foo || bar)",
+            output: "Boolean(foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 9
+            }]
+        },
+        {
+            code: "new Boolean(!!foo || bar)",
+            output: "new Boolean(foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 13
+            }]
+        },
+        {
+            code: "if (Boolean(foo) || bar) {}",
+            output: "if (foo || bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "do {} while (Boolean(foo) || bar)",
+            output: "do {} while (foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (Boolean(foo) || bar) {}",
+            output: "while (foo || bar) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Boolean(foo) || bat ? bar : baz",
+            output: "foo || bat ? bar : baz",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "for (; Boolean(foo) || bar;) {}",
+            output: "for (; foo || bar;) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo) || bar",
+            output: "!foo || bar",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo && bar) || bat",
+            output: "!(foo && bar) || bat",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo + bar) || bat",
+            output: "!(foo + bar) || bat",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(+foo)  || bar",
+            output: "!+foo  || bar",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo()) || bar",
+            output: "!foo() || bar",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo() || bar)",
+            output: "!(foo() || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo = bar) || bat",
+            output: "!(foo = bar) || bat",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(...foo) || bar;",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo, bar()) || bar;",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean((foo, bar()) || bat);",
+            output: "!((foo, bar()) || bat);",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean() || bar;",
+            output: "true || bar;",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!(Boolean()) || bar;",
+            output: "true || bar;",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if (!Boolean() || bar) { foo() }",
+            output: "if (true || bar) { foo() }",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (!Boolean() || bar) { foo() }",
+            output: "while (true || bar) { foo() }",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "var foo = Boolean() || bar ? bar() : baz()",
+            output: "var foo = false || bar ? bar() : baz()",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if (Boolean() || bar) { foo() }",
+            output: "if (false || bar) { foo() }",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "while (Boolean() || bar) { foo() }",
+            output: "while (false || bar) { foo() }",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+
+
+        // Adjacent tokens tests
+        {
+            code: "function *foo() { yield(!!a || d) ? b : c }",
+            output: "function *foo() { yield(a || d) ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield(!! a || d) ? b : c }",
+            output: "function *foo() { yield(a || d) ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield(! !a || d) ? b : c }",
+            output: "function *foo() { yield(a || d) ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield (!!a || d) ? b : c }",
+            output: "function *foo() { yield (a || d) ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "function *foo() { yield/**/(!!a || d) ? b : c }",
+            output: "function *foo() { yield/**/(a || d) ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "x=!!a || d ? b : c ",
+            output: "x=a || d ? b : c ",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void(!Boolean() || bar)",
+            output: "void(true || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void(! Boolean() || bar)",
+            output: "void(true || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "typeof(!Boolean() || bar)",
+            output: "typeof(true || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(!Boolean() || bar)",
+            output: "(true || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "void/**/(!Boolean() || bar)",
+            output: "void/**/(true || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+
+        // Comments tests
+        {
+            code: "!/**/(!!foo || bar)",
+            output: "!/**/(foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!/**/!foo || bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!!/**/foo || bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!(!!foo || bar)/**/",
+            output: "!(foo || bar)/**/",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "if(!/**/!foo || bar);",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "(!!/**/foo || bar ? 1 : 2)",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!/**/(Boolean(foo) || bar)",
+            output: "!/**/(foo || bar)",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean/**/(foo) || bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(/**/foo) || bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(foo/**/) || bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!(Boolean(foo)|| bar)/**/",
+            output: "!(foo|| bar)/**/",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean/**/(foo) || bar);",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(Boolean(foo/**/)|| bar ? 1 : 2)",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "/**/!Boolean()|| bar",
+            output: "/**/true|| bar",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!/**/Boolean()|| bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean/**/()|| bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "!Boolean(/**/)|| bar",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(!Boolean()|| bar)/**/",
+            output: "(true|| bar)/**/",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(!/**/Boolean()|| bar);",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(!Boolean(/**/) || bar ? 1 : 2)",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(/**/Boolean()|| bar);",
+            output: "if(/**/false|| bar);",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean/**/()|| bar);",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean(/**/)|| bar);",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if(Boolean()|| bar/**/);",
+            output: "if(false|| bar/**/);",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "(Boolean/**/()|| bar ? 1 : 2)",
+            output: null,
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedCall",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "if (a && !!(b ? c : d)){}",
+            output: "if (a && (b ? c : d)){}",
+
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 10,
+                endColumn: 23
+            }]
+        },
+        {
+            code: "function *foo() { yield!!a || d ? b : c }",
+            output: "function *foo() { yield a || d ? b : c }",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedNegation",
+                type: "UnaryExpression",
+                column: 24,
+                endColumn: 27
+            }]
+        },
+
+        // test parentheses in autofix
+        {
+            code: "Boolean(!!(a, b))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(Boolean((a, b)))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "Boolean((!!(a, b)))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean((Boolean((a, b))))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "Boolean(!(!(a, b)))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean((!(!(a, b))))",
+            output: "Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(!!(a = b))",
+            output: "Boolean(a = b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean((!!(a = b)))",
+            output: "Boolean((a = b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(Boolean(a = b))",
+            output: "Boolean(a = b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "Boolean(Boolean((a += b)))",
+            output: "Boolean(a += b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "Boolean(!!(a === b))",
+            output: "Boolean(a === b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(!!((a !== b)))",
+            output: "Boolean(a !== b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(!!a.b)",
+            output: "Boolean(a.b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(Boolean((a)))",
+            output: "Boolean(a)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "Boolean((!!(a)))",
+            output: "Boolean((a))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+
+        {
+            code: "new Boolean(!!(a, b))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(Boolean((a, b)))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "new Boolean((!!(a, b)))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean((Boolean((a, b))))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "new Boolean(!(!(a, b)))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean((!(!(a, b))))",
+            output: "new Boolean((a, b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(!!(a = b))",
+            output: "new Boolean(a = b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean((!!(a = b)))",
+            output: "new Boolean((a = b))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(Boolean(a = b))",
+            output: "new Boolean(a = b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "new Boolean(Boolean((a += b)))",
+            output: "new Boolean(a += b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "new Boolean(!!(a === b))",
+            output: "new Boolean(a === b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(!!((a !== b)))",
+            output: "new Boolean(a !== b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(!!a.b)",
+            output: "new Boolean(a.b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "new Boolean(Boolean((a)))",
+            output: "new Boolean(a)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "new Boolean((!!(a)))",
+            output: "new Boolean((a))",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (!!(a, b));",
+            output: "if (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (Boolean((a, b)));",
+            output: "if (a, b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!(!(a, b)));",
+            output: "if (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (!!(a = b));",
+            output: "if (a = b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (Boolean(a = b));",
+            output: "if (a = b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!!(a > b));",
+            output: "if (a > b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (Boolean(a === b));",
+            output: "if (a === b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!!f(a));",
+            output: "if (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (Boolean(f(a)));",
+            output: "if (f(a));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!!(f(a)));",
+            output: "if (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if ((!!f(a)));",
+            output: "if ((f(a)));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if ((Boolean(f(a))));",
+            output: "if ((f(a)));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!!a);",
+            output: "if (a);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "if (Boolean(a));",
+            output: "if (a);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!!(a, b));",
+            output: "while (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (Boolean((a, b)));",
+            output: "while (a, b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!(!(a, b)));",
+            output: "while (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (!!(a = b));",
+            output: "while (a = b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (Boolean(a = b));",
+            output: "while (a = b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!!(a > b));",
+            output: "while (a > b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (Boolean(a === b));",
+            output: "while (a === b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!!f(a));",
+            output: "while (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (Boolean(f(a)));",
+            output: "while (f(a));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!!(f(a)));",
+            output: "while (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while ((!!f(a)));",
+            output: "while ((f(a)));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while ((Boolean(f(a))));",
+            output: "while ((f(a)));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "while (!!a);",
+            output: "while (a);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "while (Boolean(a));",
+            output: "while (a);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!!(a, b));",
+            output: "do {} while (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (Boolean((a, b)));",
+            output: "do {} while (a, b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!(!(a, b)));",
+            output: "do {} while (a, b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (!!(a = b));",
+            output: "do {} while (a = b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (Boolean(a = b));",
+            output: "do {} while (a = b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!!(a > b));",
+            output: "do {} while (a > b);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (Boolean(a === b));",
+            output: "do {} while (a === b);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!!f(a));",
+            output: "do {} while (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (Boolean(f(a)));",
+            output: "do {} while (f(a));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!!(f(a)));",
+            output: "do {} while (f(a));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while ((!!f(a)));",
+            output: "do {} while ((f(a)));",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while ((Boolean(f(a))));",
+            output: "do {} while ((f(a)));",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "do {} while (!!a);",
+            output: "do {} while (a);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "do {} while (Boolean(a));",
+            output: "do {} while (a);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !!(a, b););",
+            output: "for (; a, b;);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; Boolean((a, b)););",
+            output: "for (; a, b;);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !(!(a, b)););",
+            output: "for (; a, b;);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; !!(a = b););",
+            output: "for (; a = b;);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; Boolean(a = b););",
+            output: "for (; a = b;);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !!(a > b););",
+            output: "for (; a > b;);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; Boolean(a === b););",
+            output: "for (; a === b;);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !!f(a););",
+            output: "for (; f(a););",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; Boolean(f(a)););",
+            output: "for (; f(a););",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !!(f(a)););",
+            output: "for (; f(a););",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; (!!f(a)););",
+            output: "for (; (f(a)););",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; (Boolean(f(a))););",
+            output: "for (; (f(a)););",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "for (; !!a;);",
+            output: "for (; a;);",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "for (; Boolean(a););",
+            output: "for (; a;);",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!(a, b) ? c : d",
+            output: "(a, b) ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "(!!(a, b)) ? c : d",
+            output: "(a, b) ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean((a, b)) ? c : d",
+            output: "(a, b) ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!(a = b) ? c : d",
+            output: "(a = b) ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a -= b) ? c : d",
+            output: "(a -= b) ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "(Boolean((a *= b))) ? c : d",
+            output: "(a *= b) ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!(a ? b : c) ? d : e",
+            output: "(a ? b : c) ? d : e",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a ? b : c) ? d : e",
+            output: "(a ? b : c) ? d : e",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!(a || b) ? c : d",
+            output: "a || b ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a && b) ? c : d",
+            output: "a && b ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!(a === b) ? c : d",
+            output: "a === b ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a < b) ? c : d",
+            output: "a < b ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!((a !== b)) ? c : d",
+            output: "a !== b ? c : d",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean((a >= b)) ? c : d",
+            output: "a >= b ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!+a ? b : c",
+            output: "+a ? b : c",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!+(a) ? b : c",
+            output: "+(a) ? b : c",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(!a) ? b : c",
+            output: "!a ? b : c",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!f(a) ? b : c",
+            output: "f(a) ? b : c",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "(!!f(a)) ? b : c",
+            output: "(f(a)) ? b : c",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a.b) ? c : d",
+            output: "a.b ? c : d",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!a ? b : c",
+            output: "a ? b : c",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "Boolean(a) ? b : c",
+            output: "a ? b : c",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a, b)",
+            output: "!(a, b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean((a, b))",
+            output: "!(a, b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a = b)",
+            output: "!(a = b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!(!(a += b))",
+            output: "!(a += b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!(!!(a += b))",
+            output: "!(a += b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a -= b)",
+            output: "!(a -= b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!Boolean((a -= b))",
+            output: "!(a -= b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!(Boolean(a -= b))",
+            output: "!(a -= b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a || b)",
+            output: "!(a || b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a || b)",
+            output: "!(a || b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a && b)",
+            output: "!(a && b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a && b)",
+            output: "!(a && b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a != b)",
+            output: "!(a != b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!!(a === b)",
+            output: "!(a === b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "var x = !Boolean(a > b)",
+            output: "var x = !(a > b)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(a - b)",
+            output: "!(a - b)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!!(a ** b)",
+            output: "!(a ** b)",
+            parserOptions: { ecmaVersion: 2016 },
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a ** b)",
+            output: "!(a ** b)",
+            parserOptions: { ecmaVersion: 2016 },
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "async function f() { !!!(await a) }",
+            output: "async function f() { !await a }",
+            parserOptions: { ecmaVersion: 2017 },
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "async function f() { !Boolean(await a) }",
+            output: "async function f() { !await a }",
+            parserOptions: { ecmaVersion: 2017 },
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!!a",
+            output: "!!a", // Reports 2 errors. After the first fix, the second error will disappear.
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "!!(!(!a))",
+            output: "!!a", // Reports 2 errors. After the first fix, the second error will disappear.
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "!Boolean(!a)",
+            output: "!!a",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!Boolean((!a))",
+            output: "!!a",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!Boolean(!(a))",
+            output: "!!(a)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!(Boolean(!a))",
+            output: "!(!a)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!+a",
+            output: "!+a",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!!(+a)",
+            output: "!+a",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!(!+a)",
+            output: "!+a",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!(!!+a)",
+            output: "!(+a)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean((-a))",
+            output: "!-a",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!Boolean(-(a))",
+            output: "!-(a)",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!(--a)",
+            output: "!--a",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a++)",
+            output: "!a++",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "!!!f(a)",
+            output: "!f(a)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!!(f(a))",
+            output: "!f(a)",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!!!a",
+            output: "!a",
+            errors: [{ messageId: "unexpectedNegation", type: "UnaryExpression" }]
+        },
+        {
+            code: "!Boolean(a)",
+            output: "!a",
+            errors: [{ messageId: "unexpectedCall", type: "CallExpression" }]
+        },
+        {
+            code: "if (!!(a, b) || !!(c, d)) {}",
+            output: "if ((a, b) || (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean((a, b)) || Boolean((c, d))) {}",
+            output: "if ((a, b) || (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if ((!!((a, b))) || (!!((c, d)))) {}",
+            output: "if ((a, b) || (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a, b) && !!(c, d)) {}",
+            output: "if ((a, b) && (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean((a, b)) && Boolean((c, d))) {}",
+            output: "if ((a, b) && (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if ((!!((a, b))) && (!!((c, d)))) {}",
+            output: "if ((a, b) && (c, d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a = b) || !!(c = d)) {}",
+            output: "if ((a = b) || (c = d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a /= b) || Boolean(c /= d)) {}",
+            output: "if ((a /= b) || (c /= d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a >>= b) && !!(c >>= d)) {}",
+            output: "if ((a >>= b) && (c >>= d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a **= b) && Boolean(c **= d)) {}",
+            output: "if ((a **= b) && (c **= d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            parserOptions: { ecmaVersion: 2016 },
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a ? b : c) || !!(d ? e : f)) {}",
+            output: "if ((a ? b : c) || (d ? e : f)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a ? b : c) || Boolean(d ? e : f)) {}",
+            output: "if ((a ? b : c) || (d ? e : f)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a ? b : c) && !!(d ? e : f)) {}",
+            output: "if ((a ? b : c) && (d ? e : f)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a ? b : c) && Boolean(d ? e : f)) {}",
+            output: "if ((a ? b : c) && (d ? e : f)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a || b) || !!(c || d)) {}",
+            output: "if (a || b || (c || d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a || b) || Boolean(c || d)) {}",
+            output: "if (a || b || (c || d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a || b) && !!(c || d)) {}",
+            output: "if ((a || b) && (c || d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a || b) && Boolean(c || d)) {}",
+            output: "if ((a || b) && (c || d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a && b) || !!(c && d)) {}",
+            output: "if (a && b || c && d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a && b) || Boolean(c && d)) {}",
+            output: "if (a && b || c && d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a && b) && !!(c && d)) {}",
+            output: "if (a && b && (c && d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a && b) && Boolean(c && d)) {}",
+            output: "if (a && b && (c && d)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a !== b) || !!(c !== d)) {}",
+            output: "if (a !== b || c !== d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a != b) || Boolean(c != d)) {}",
+            output: "if (a != b || c != d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a === b) && !!(c === d)) {}",
+            output: "if (a === b && c === d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (!!(a > b) || !!(c < d)) {}",
+            output: "if (a > b || c < d) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(!a) || Boolean(+b)) {}",
+            output: "if (!a || +b) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if (!!f(a) && !!b.c) {}",
+            output: "if (f(a) && b.c) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (Boolean(a) || !!b) {}",
+            output: "if (a || b) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedCall", type: "CallExpression" },
+                { messageId: "unexpectedNegation", type: "UnaryExpression" }
+            ]
+        },
+        {
+            code: "if (!!a && Boolean(b)) {}",
+            output: "if (a && b) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        },
+        {
+            code: "if ((!!a) || (Boolean(b))) {}",
+            output: "if ((a) || (b)) {}",
+            options: [{ enforceForLogicalOperands: true }],
+            errors: [
+                { messageId: "unexpectedNegation", type: "UnaryExpression" },
+                { messageId: "unexpectedCall", type: "CallExpression" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-extra-label.js b/eslint/tests/lib/rules/no-extra-label.js
new file mode 100644
index 0000000..e810ef4
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extra-label.js
@@ -0,0 +1,153 @@
+/**
+ * @fileoverview Tests for no-extra-label rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extra-label"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-extra-label", rule, {
+    valid: [
+        "A: break A;",
+        "A: { if (a) break A; }",
+        "A: { while (b) { break A; } }",
+        "A: { switch (b) { case 0: break A; } }",
+        "A: while (a) { while (b) { break; } break; }",
+        "A: while (a) { while (b) { break A; } }",
+        "A: while (a) { while (b) { continue A; } }",
+        "A: while (a) { switch (b) { case 0: break A; } }",
+        "A: while (a) { switch (b) { case 0: continue A; } }",
+        "A: switch (a) { case 0: while (b) { break A; } }",
+        "A: switch (a) { case 0: switch (b) { case 0: break A; } }",
+        "A: for (;;) { while (b) { break A; } }",
+        "A: do { switch (b) { case 0: break A; break; } } while (a);",
+        "A: for (a in obj) { while (b) { break A; } }",
+        { code: "A: for (a of ary) { switch (b) { case 0: break A; } }", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "A: while (a) break A;",
+            output: "A: while (a) break;",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while (a) { B: { continue A; } }",
+            output: "A: while (a) { B: { continue; } }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "X: while (x) { A: while (a) { B: { break A; break B; continue X; } } }",
+            output: "X: while (x) { A: while (a) { B: { break; break B; continue X; } } }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: do { break A; } while (a);",
+            output: "A: do { break; } while (a);",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: for (;;) { break A; }",
+            output: "A: for (;;) { break; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: for (a in obj) { break A; }",
+            output: "A: for (a in obj) { break; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: for (a of ary) { break A; }",
+            output: "A: for (a of ary) { break; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: switch (a) { case 0: break A; }",
+            output: "A: switch (a) { case 0: break; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "X: while (x) { A: switch (a) { case 0: break A; } }",
+            output: "X: while (x) { A: switch (a) { case 0: break; } }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "X: switch (a) { case 0: A: while (b) break A; }",
+            output: "X: switch (a) { case 0: A: while (b) break; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: `\
+                A: while (true) {
+                    break A;
+                    while (true) {
+                        break A;
+                    }
+                }
+            `,
+            output: `\
+                A: while (true) {
+                    break;
+                    while (true) {
+                        break A;
+                    }
+                }
+            `,
+            errors: [{ messageId: "unexpected", data: { name: "A" }, type: "Identifier", line: 2 }]
+        },
+
+        // Should not autofix if it would remove comments
+        {
+            code: "A: while(true) { /*comment*/break A; }",
+            output: "A: while(true) { /*comment*/break; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { break/**/ A; }",
+            output: null,
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { continue /**/ A; }",
+            output: null,
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { break /**/A; }",
+            output: null,
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { continue/**/A; }",
+            output: null,
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { continue A/*comment*/; }",
+            output: "A: while(true) { continue/*comment*/; }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { break A//comment\n }",
+            output: "A: while(true) { break//comment\n }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        },
+        {
+            code: "A: while(true) { break A/*comment*/\nfoo() }",
+            output: "A: while(true) { break/*comment*/\nfoo() }",
+            errors: [{ messageId: "unexpected", data: { name: "A" } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-extra-parens.js b/eslint/tests/lib/rules/no-extra-parens.js
new file mode 100644
index 0000000..13df7dc
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extra-parens.js
@@ -0,0 +1,2240 @@
+/**
+ * @fileoverview Disallow parenthesesisng higher precedence subexpressions.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extra-parens"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+/**
+ * Create error message object for failure cases
+ * @param {string} code source code
+ * @param {string} output fixed source code
+ * @param {string} type node type
+ * @param {int} line line number
+ * @param {Object} config rule configuration
+ * @returns {Object} result object
+ * @private
+ */
+function invalid(code, output, type, line, config) {
+    const result = {
+        code,
+        output,
+        parserOptions: config && config.parserOptions || {},
+        errors: [
+            {
+                messageId: "unexpected",
+                type
+            }
+        ],
+        options: config && config.options || []
+    };
+
+    if (line) {
+        result.errors[0].line = line;
+    }
+    return result;
+}
+
+const ruleTester = new RuleTester({
+    parserOptions: {
+        ecmaVersion: 2020,
+        ecmaFeatures: {
+            jsx: true
+        }
+    }
+});
+
+ruleTester.run("no-extra-parens", rule, {
+    valid: [
+
+        // all precedence boundaries
+        "foo",
+        "a = b, c = d",
+        "a = b ? c : d",
+        "a = (b, c)",
+        "a || b ? c = d : e = f",
+        "(a = b) ? (c, d) : (e, f)",
+        "a && b || c && d",
+        "(a ? b : c) || (d ? e : f)",
+        "a | b && c | d",
+        "(a || b) && (c || d)",
+        "a ^ b | c ^ d",
+        "(a && b) | (c && d)",
+        "a & b ^ c & d",
+        "(a | b) ^ (c | d)",
+        "a == b & c != d",
+        "(a ^ b) & (c ^ d)",
+        "a < b === c in d",
+        "(a & b) !== (c & d)",
+        "a << b >= c >>> d",
+        "(a == b) instanceof (c != d)",
+        "a + b << c - d",
+        "(a <= b) >> (c > d)",
+        "a * b + c / d",
+        "(a << b) - (c >> d)",
+        "+a % !b",
+        "(a + b) * (c - d)",
+        "-void+delete~typeof!a",
+        "!(a * b); typeof (a / b); +(a % b); delete (a * b); ~(a / b); void (a % b); -(a * b)",
+        "a(b = c, (d, e))",
+        "(++a)(b); (c++)(d);",
+        "new (A())",
+        "new (foo.Baz().foo)",
+        "new (foo.baz.bar().foo.baz)",
+        "new ({}.baz.bar.foo().baz)",
+        "new (doSomething().baz.bar().foo)",
+        "new ([][0].baz.foo().bar.foo)",
+        "new (foo\n.baz\n.bar()\n.foo.baz)",
+        "new A()()",
+        "(new A)()",
+        "(new (Foo || Bar))()",
+        "(new new foo())()",
+        "new (new new foo())(bar)",
+        "(new foo).bar",
+        "(new foo)[bar]",
+        "(new foo).bar.baz",
+        "(new foo.bar).baz",
+        "(new foo).bar()",
+        "(new foo.bar).baz()",
+        "new (new foo).bar",
+        "new (new foo.bar).baz",
+        "(new new foo()).baz",
+        "(2 + 3) ** 4",
+        "2 ** (2 + 3)",
+        "new (import(source))",
+        "import((s,t))",
+
+        // same precedence
+        "a, b, c",
+        "a = b = c",
+        "a ? b ? c : d : e",
+        "a ? b : c ? d : e",
+        "a || b || c",
+        "a || (b || c)",
+        "a && b && c",
+        "a && (b && c)",
+        "a | b | c",
+        "a | (b | c)",
+        "a ^ b ^ c",
+        "a ^ (b ^ c)",
+        "a & b & c",
+        "a & (b & c)",
+        "a == b == c",
+        "a == (b == c)",
+        "a < b < c",
+        "a < (b < c)",
+        "a << b << c",
+        "a << (b << c)",
+        "a + b + c",
+        "a + (b + c)",
+        "a * b * c",
+        "a * (b * c)",
+        "!!a; typeof +b; void -c; ~delete d;",
+        "a(b)",
+        "a(b)(c)",
+        "a((b, c))",
+        "new new A",
+        "2 ** 3 ** 4",
+        "(2 ** 3) ** 4",
+
+        // constructs that contain expressions
+        "if(a);",
+        "with(a){}",
+        "switch(a){ case 0: break; }",
+        "function a(){ return b; }",
+        "var a = () => { return b; }",
+        "throw a;",
+        "while(a);",
+        "do; while(a);",
+        "for(;;);",
+        "for(a in b);",
+        "for(a in b, c);",
+        "for(a of b);",
+        "for (a of (b, c));",
+        "var a = (b, c);",
+        "[]",
+        "[a, b]",
+        "!{a}",
+        "!{a: 0, b: 1}",
+        "!{[a]:0}",
+        "!{[(a, b)]:0}",
+        "!{a, ...b}",
+        "const {a} = {}",
+        "const {a:b} = {}",
+        "const {a:b=1} = {}",
+        "const {[a]:b} = {}",
+        "const {[a]:b=1} = {}",
+        "const {[(a, b)]:c} = {}",
+        "const {a, ...b} = {}",
+        "class foo {}",
+        "class foo { constructor(){} a(){} get b(){} set b(bar){} get c(){} set d(baz){} static e(){} }",
+        "class foo { [a](){} get [b](){} set [b](bar){} get [c](){} set [d](baz){} static [e](){} }",
+        "class foo { [(a,b)](){} }",
+        "class foo { a(){} [b](){} c(){} [(d,e)](){} }",
+        "class foo { [(a,b)](){} c(){} [d](){} e(){} }",
+        "const foo = class { constructor(){} a(){} get b(){} set b(bar){} get c(){} set d(baz){} static e(){} }",
+
+        // ExpressionStatement restricted productions
+        "({});",
+        "(function(){});",
+        "(let[a] = b);",
+        "(function*(){});",
+        "(class{});",
+
+        // special cases
+        "(0).a",
+        "(function(){ }())",
+        "({a: function(){}}.a());",
+        "({a:0}.a ? b : c)",
+
+        // RegExp literal is allowed to have parens (#1589)
+        "var isA = (/^a$/).test('a');",
+        "var regex = (/^a$/);",
+        "function a(){ return (/^a$/); }",
+        "function a(){ return (/^a$/).test('a'); }",
+        "var isA = ((/^a$/)).test('a');",
+
+        // IIFE is allowed to have parens in any position (#655)
+        "var foo = (function() { return bar(); }())",
+        "var o = { foo: (function() { return bar(); }()) };",
+        "o.foo = (function(){ return bar(); }());",
+        "(function(){ return bar(); }()), (function(){ return bar(); }())",
+
+        // IIFE is allowed to have outer parens (#1004)
+        "var foo = (function() { return bar(); })()",
+        "var o = { foo: (function() { return bar(); })() };",
+        "o.foo = (function(){ return bar(); })();",
+        "(function(){ return bar(); })(), (function(){ return bar(); })()",
+        "function foo() { return (function(){}()); }",
+
+        // parens are required around yield
+        "var foo = (function*() { if ((yield foo()) + 1) { return; } }())",
+
+        // arrow functions have the precedence of an assignment expression
+        "(() => 0)()",
+        "(_ => 0)()",
+        "_ => 0, _ => 1",
+        "a = () => b = 0",
+        "0 ? _ => 0 : _ => 0",
+        "(_ => 0) || (_ => 0)",
+
+        // Object literals as arrow function bodies need parentheses
+        "x => ({foo: 1})",
+
+
+        // Exponentiation operator `**`
+        "1 + 2 ** 3",
+        "1 - 2 ** 3",
+        "2 ** -3",
+        "(-2) ** 3",
+        "(+2) ** 3",
+        "+ (2 ** 3)",
+
+        // https://github.com/eslint/eslint/issues/5789
+        "a => ({b: c}[d])",
+        "a => ({b: c}.d())",
+        "a => ({b: c}.d.e)",
+
+        // "functions" enables reports for function nodes only
+        { code: "(0)", options: ["functions"] },
+        { code: "((0))", options: ["functions"] },
+        { code: "a + (b * c)", options: ["functions"] },
+        { code: "a + ((b * c))", options: ["functions"] },
+        { code: "(a)(b)", options: ["functions"] },
+        { code: "((a))(b)", options: ["functions"] },
+        { code: "a, (b = c)", options: ["functions"] },
+        { code: "a, ((b = c))", options: ["functions"] },
+        { code: "for(a in (0));", options: ["functions"] },
+        { code: "for(a in ((0)));", options: ["functions"] },
+        { code: "var a = (b = c)", options: ["functions"] },
+        { code: "var a = ((b = c))", options: ["functions"] },
+        { code: "_ => (a = 0)", options: ["functions"] },
+        { code: "_ => ((a = 0))", options: ["functions"] },
+
+        // ["all", { conditionalAssign: false }] enables extra parens around conditional assignments
+        { code: "while ((foo = bar())) {}", options: ["all", { conditionalAssign: false }] },
+        { code: "if ((foo = bar())) {}", options: ["all", { conditionalAssign: false }] },
+        { code: "do; while ((foo = bar()))", options: ["all", { conditionalAssign: false }] },
+        { code: "for (;(a = b););", options: ["all", { conditionalAssign: false }] },
+        { code: "var a = ((b = c)) ? foo : bar;", options: ["all", { conditionalAssign: false }] },
+        { code: "while (((foo = bar()))) {}", options: ["all", { conditionalAssign: false }] },
+        { code: "var a = (((b = c))) ? foo : bar;", options: ["all", { conditionalAssign: false }] },
+
+        // ["all", { nestedBinaryExpressions: false }] enables extra parens around conditional assignments
+        { code: "a + (b * c)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "(a * b) + c", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "(a * b) / c", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "a || (b && c)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "a + ((b * c))", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "((a * b)) + c", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "((a * b)) / c", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "a || ((b && c))", options: ["all", { nestedBinaryExpressions: false }] },
+
+        // ["all", { returnAssign: false }] enables extra parens around expressions returned by return statements
+        { code: "function a(b) { return b || c; }", options: ["all", { returnAssign: false }] },
+        { code: "function a(b) { return; }", options: ["all", { returnAssign: false }] },
+        { code: "function a(b) { return (b = 1); }", options: ["all", { returnAssign: false }] },
+        { code: "function a(b) { return (b = c) || (b = d); }", options: ["all", { returnAssign: false }] },
+        { code: "function a(b) { return c ? (d = b) : (e = b); }", options: ["all", { returnAssign: false }] },
+        { code: "b => b || c;", options: ["all", { returnAssign: false }] },
+        { code: "b => (b = 1);", options: ["all", { returnAssign: false }] },
+        { code: "b => (b = c) || (b = d);", options: ["all", { returnAssign: false }] },
+        { code: "b => c ? (d = b) : (e = b);", options: ["all", { returnAssign: false }] },
+        { code: "b => { return b || c };", options: ["all", { returnAssign: false }] },
+        { code: "b => { return (b = 1) };", options: ["all", { returnAssign: false }] },
+        { code: "b => { return (b = c) || (b = d) };", options: ["all", { returnAssign: false }] },
+        { code: "b => { return c ? (d = b) : (e = b) };", options: ["all", { returnAssign: false }] },
+        { code: "function a(b) { return ((b = 1)); }", options: ["all", { returnAssign: false }] },
+        { code: "b => ((b = 1));", options: ["all", { returnAssign: false }] },
+
+        // https://github.com/eslint/eslint/issues/3653
+        "(function(){}).foo(), 1, 2;",
+        "(function(){}).foo++;",
+        "(function(){}).foo() || bar;",
+        "(function(){}).foo() + 1;",
+        "(function(){}).foo() ? bar : baz;",
+        "(function(){}).foo.bar();",
+        "(function(){}.foo());",
+        "(function(){}.foo.bar);",
+
+        "(class{}).foo(), 1, 2;",
+        "(class{}).foo++;",
+        "(class{}).foo() || bar;",
+        "(class{}).foo() + 1;",
+        "(class{}).foo() ? bar : baz;",
+        "(class{}).foo.bar();",
+        "(class{}.foo());",
+        "(class{}.foo.bar);",
+
+        // https://github.com/eslint/eslint/issues/4608
+        "function *a() { yield b; }",
+        "function *a() { yield yield; }",
+        "function *a() { yield b, c; }",
+        "function *a() { yield (b, c); }",
+        "function *a() { yield b + c; }",
+        "function *a() { (yield b) + c; }",
+
+        // https://github.com/eslint/eslint/issues/4229
+        [
+            "function a() {",
+            "    return (",
+            "        b",
+            "    );",
+            "}"
+        ].join("\n"),
+        [
+            "function a() {",
+            "    return (",
+            "        <JSX />",
+            "    );",
+            "}"
+        ].join("\n"),
+        [
+            "function a() {",
+            "    return (",
+            "        <></>",
+            "    );",
+            "}"
+        ].join("\n"),
+        [
+            "throw (",
+            "    a",
+            ");"
+        ].join("\n"),
+        [
+            "function *a() {",
+            "    yield (",
+            "        b",
+            "    );",
+            "}"
+        ].join("\n"),
+
+        // async/await
+        "async function a() { await (a + b) }",
+        "async function a() { await (a + await b) }",
+        "async function a() { (await a)() }",
+        "async function a() { new (await a) }",
+        { code: "(foo instanceof bar) instanceof baz", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "(foo in bar) in baz", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "(foo + bar) + baz", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "(foo && bar) && baz", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "foo instanceof (bar instanceof baz)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "foo in (bar in baz)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "foo + (bar + baz)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "foo && (bar && baz)", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "((foo instanceof bar)) instanceof baz", options: ["all", { nestedBinaryExpressions: false }] },
+        { code: "((foo in bar)) in baz", options: ["all", { nestedBinaryExpressions: false }] },
+
+        // https://github.com/eslint/eslint/issues/9019
+        "(async function() {});",
+        "(async function () { }());",
+
+        // ["all", { ignoreJSX: "all" }]
+        { code: "const Component = (<div />)", options: ["all", { ignoreJSX: "all" }] },
+        { code: "const Component = ((<div />))", options: ["all", { ignoreJSX: "all" }] },
+        {
+            code: [
+                "const Component = (<>",
+                "  <p />",
+                "</>);"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "all" }]
+        },
+        {
+            code: [
+                "const Component = ((<>",
+                "  <p />",
+                "</>));"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "all" }]
+        },
+        {
+            code: [
+                "const Component = (<div>",
+                "  <p />",
+                "</div>);"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "all" }]
+        },
+        {
+            code: [
+                "const Component = (",
+                "  <div />",
+                ");"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "all" }]
+        },
+        {
+            code: [
+                "const Component =",
+                "  (<div />)"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "all" }]
+        },
+
+        // ["all", { ignoreJSX: "single-line" }]
+        { code: "const Component = (<div />);", options: ["all", { ignoreJSX: "single-line" }] },
+        { code: "const Component = ((<div />));", options: ["all", { ignoreJSX: "single-line" }] },
+        {
+            code: [
+                "const Component = (",
+                "  <div />",
+                ");"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "single-line" }]
+        },
+        {
+            code: [
+                "const Component =",
+                "(<div />)"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "single-line" }]
+        },
+
+        // ["all", { ignoreJSX: "multi-line" }]
+        {
+            code: [
+                "const Component = (",
+                "<div>",
+                "  <p />",
+                "</div>",
+                ");"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "multi-line" }]
+        },
+        {
+            code: [
+                "const Component = ((",
+                "<div>",
+                "  <p />",
+                "</div>",
+                "));"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "multi-line" }]
+        },
+        {
+            code: [
+                "const Component = (<div>",
+                "  <p />",
+                "</div>);"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "multi-line" }]
+        },
+        {
+            code: [
+                "const Component =",
+                "(<div>",
+                "  <p />",
+                "</div>);"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "multi-line" }]
+        },
+        {
+            code: [
+                "const Component = (<div",
+                "  prop={true}",
+                "/>)"
+            ].join("\n"),
+            options: ["all", { ignoreJSX: "multi-line" }]
+        },
+
+        // ["all", { enforceForArrowConditionals: false }]
+        { code: "var a = b => 1 ? 2 : 3", options: ["all", { enforceForArrowConditionals: false }] },
+        { code: "var a = (b) => (1 ? 2 : 3)", options: ["all", { enforceForArrowConditionals: false }] },
+        { code: "var a = (b) => ((1 ? 2 : 3))", options: ["all", { enforceForArrowConditionals: false }] },
+
+        // ["all", { enforceForSequenceExpressions: false }]
+        { code: "(a, b)", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "((a, b))", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "(foo(), bar());", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "((foo(), bar()));", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "if((a, b)){}", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "if(((a, b))){}", options: ["all", { enforceForSequenceExpressions: false }] },
+        { code: "while ((val = foo(), val < 10));", options: ["all", { enforceForSequenceExpressions: false }] },
+
+        // ["all", { enforceForNewInMemberExpressions: false }]
+        { code: "(new foo()).bar", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "(new foo())[bar]", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "(new foo()).bar()", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "(new foo(bar)).baz", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "(new foo.bar()).baz", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "(new foo.bar()).baz()", options: ["all", { enforceForNewInMemberExpressions: false }] },
+        { code: "((new foo.bar())).baz()", options: ["all", { enforceForNewInMemberExpressions: false }] },
+
+        "let a = [ ...b ]",
+        "let a = { ...b }",
+        {
+            code: "let a = { ...b }",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        "let a = [ ...(b, c) ]",
+        "let a = { ...(b, c) }",
+        {
+            code: "let a = { ...(b, c) }",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        "var [x = (1, foo)] = bar",
+        "class A extends B {}",
+        "const A = class extends B {}",
+        "class A extends (B=C) {}",
+        "const A = class extends (B=C) {}",
+        "class A extends (++foo) {}",
+        "() => ({ foo: 1 })",
+        "() => ({ foo: 1 }).foo",
+        "() => ({ foo: 1 }.foo().bar).baz.qux()",
+        "() => ({ foo: 1 }.foo().bar + baz)",
+        {
+            code: "export default (function(){}).foo",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export default (class{}).foo",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        "({}).hasOwnProperty.call(foo, bar)",
+        "({}) ? foo() : bar()",
+        "({}) + foo",
+        "(function(){}) + foo",
+        "(let)\nfoo",
+        "(let[foo]) = 1", // setting the 'foo' property of the 'let' variable to 1
+        {
+            code: "((function(){}).foo.bar)();",
+            options: ["functions"]
+        },
+        {
+            code: "((function(){}).foo)();",
+            options: ["functions"]
+        },
+        "(let)[foo]",
+        "for ((let) in foo);",
+        "for ((let[foo]) in bar);",
+        "for ((let)[foo] in bar);",
+        "for ((let[foo].bar) in baz);",
+
+        // https://github.com/eslint/eslint/issues/11706 (also in invalid[])
+        "for (let a = (b in c); ;);",
+        "for (let a = (b && c in d); ;);",
+        "for (let a = (b in c && d); ;);",
+        "for (let a = (b => b in c); ;);",
+        "for (let a = b => (b in c); ;);",
+        "for (let a = (b in c in d); ;);",
+        "for (let a = (b in c), d = (e in f); ;);",
+        "for (let a = (b => c => b in c); ;);",
+        "for (let a = (b && c && d in e); ;);",
+        "for (let a = b && (c in d); ;);",
+        "for (let a = (b in c) && (d in e); ;);",
+        "for ((a in b); ;);",
+        "for (a = (b in c); ;);",
+        "for ((a in b && c in d && e in f); ;);",
+        "for (let a = [] && (b in c); ;);",
+        "for (let a = (b in [c]); ;);",
+        "for (let a = b => (c in d); ;);",
+        "for (let a = (b in c) ? d : e; ;);",
+        "for (let a = (b in c ? d : e); ;);",
+        "for (let a = b ? c : (d in e); ;);",
+        "for (let a = (b in c), d = () => { for ((e in f);;); for ((g in h);;); }; ;); for((i in j); ;);",
+
+        // https://github.com/eslint/eslint/issues/11706 regression tests (also in invalid[])
+        "for (let a = b; a; a); a; a;",
+        "for (a; a; a); a; a;",
+        "for (; a; a); a; a;",
+        "for (let a = (b && c) === d; ;);"
+    ],
+
+    invalid: [
+        invalid("(0)", "0", "Literal"),
+        invalid("(  0  )", "  0  ", "Literal"),
+        invalid("if((0));", "if(0);", "Literal"),
+        invalid("if(( 0 ));", "if( 0 );", "Literal"),
+        invalid("with((0)){}", "with(0){}", "Literal"),
+        invalid("switch((0)){}", "switch(0){}", "Literal"),
+        invalid("switch(0){ case (1): break; }", "switch(0){ case 1: break; }", "Literal"),
+        invalid("for((0);;);", "for(0;;);", "Literal"),
+        invalid("for(;(0););", "for(;0;);", "Literal"),
+        invalid("for(;;(0));", "for(;;0);", "Literal"),
+        invalid("throw(0)", "throw 0", "Literal"),
+        invalid("while((0));", "while(0);", "Literal"),
+        invalid("do; while((0))", "do; while(0)", "Literal"),
+        invalid("for(a in (0));", "for(a in 0);", "Literal"),
+        invalid("for(a of (0));", "for(a of 0);", "Literal", 1),
+        invalid("const foo = {[(a)]:1}", "const foo = {[a]:1}", "Identifier", 1),
+        invalid("const foo = {[(a=b)]:1}", "const foo = {[a=b]:1}", "AssignmentExpression", 1),
+        invalid("const foo = {*[(Symbol.iterator)]() {}}", "const foo = {*[Symbol.iterator]() {}}", "MemberExpression", 1),
+        invalid("const foo = { get [(a)]() {}}", "const foo = { get [a]() {}}", "Identifier", 1),
+        invalid("const foo = {[(a+b)]:c, d}", "const foo = {[a+b]:c, d}", "BinaryExpression", 1),
+        invalid("const foo = {a, [(b+c)]:d, e}", "const foo = {a, [b+c]:d, e}", "BinaryExpression", 1),
+        invalid("const foo = {[(a+b)]:c, d:e}", "const foo = {[a+b]:c, d:e}", "BinaryExpression", 1),
+        invalid("const foo = {a:b, [(c+d)]:e, f:g}", "const foo = {a:b, [c+d]:e, f:g}", "BinaryExpression", 1),
+        invalid("const foo = {[(a+b)]:c, [d]:e}", "const foo = {[a+b]:c, [d]:e}", "BinaryExpression", 1),
+        invalid("const foo = {[a]:b, [(c+d)]:e, [f]:g}", "const foo = {[a]:b, [c+d]:e, [f]:g}", "BinaryExpression", 1),
+        invalid("const foo = {[(a+b)]:c, [(d,e)]:f}", "const foo = {[a+b]:c, [(d,e)]:f}", "BinaryExpression", 1),
+        invalid("const foo = {[(a,b)]:c, [(d+e)]:f, [(g,h)]:e}", "const foo = {[(a,b)]:c, [d+e]:f, [(g,h)]:e}", "BinaryExpression", 1),
+        invalid("const foo = {a, b:c, [(d+e)]:f, [(g,h)]:i, [j]:k}", "const foo = {a, b:c, [d+e]:f, [(g,h)]:i, [j]:k}", "BinaryExpression", 1),
+        invalid("const foo = {[a+(b*c)]:d}", "const foo = {[a+b*c]:d}", "BinaryExpression", 1),
+        invalid("const foo = {[(a, (b+c))]:d}", "const foo = {[(a, b+c)]:d}", "BinaryExpression", 1),
+        invalid("const {[(a)]:b} = {}", "const {[a]:b} = {}", "Identifier", 1),
+        invalid("const {[(a=b)]:c=1} = {}", "const {[a=b]:c=1} = {}", "AssignmentExpression", 1),
+        invalid("const {[(a+b)]:c, d} = {}", "const {[a+b]:c, d} = {}", "BinaryExpression", 1),
+        invalid("const {a, [(b+c)]:d, e} = {}", "const {a, [b+c]:d, e} = {}", "BinaryExpression", 1),
+        invalid("const {[(a+b)]:c, d:e} = {}", "const {[a+b]:c, d:e} = {}", "BinaryExpression", 1),
+        invalid("const {a:b, [(c+d)]:e, f:g} = {}", "const {a:b, [c+d]:e, f:g} = {}", "BinaryExpression", 1),
+        invalid("const {[(a+b)]:c, [d]:e} = {}", "const {[a+b]:c, [d]:e} = {}", "BinaryExpression", 1),
+        invalid("const {[a]:b, [(c+d)]:e, [f]:g} = {}", "const {[a]:b, [c+d]:e, [f]:g} = {}", "BinaryExpression", 1),
+        invalid("const {[(a+b)]:c, [(d,e)]:f} = {}", "const {[a+b]:c, [(d,e)]:f} = {}", "BinaryExpression", 1),
+        invalid("const {[(a,b)]:c, [(d+e)]:f, [(g,h)]:e} = {}", "const {[(a,b)]:c, [d+e]:f, [(g,h)]:e} = {}", "BinaryExpression", 1),
+        invalid("const {a, b:c, [(d+e)]:f, [(g,h)]:i, [j]:k} = {}", "const {a, b:c, [d+e]:f, [(g,h)]:i, [j]:k} = {}", "BinaryExpression", 1),
+        invalid("const {[a+(b*c)]:d} = {}", "const {[a+b*c]:d} = {}", "BinaryExpression", 1),
+        invalid("const {[(a, (b+c))]:d} = {}", "const {[(a, b+c)]:d} = {}", "BinaryExpression", 1),
+        invalid("class foo { [(a)](){} }", "class foo { [a](){} }", "Identifier"),
+        invalid("class foo {*[(Symbol.iterator)]() {}}", "class foo {*[Symbol.iterator]() {}}", "MemberExpression"),
+        invalid("class foo { get [(a)](){} }", "class foo { get [a](){} }", "Identifier"),
+        invalid("class foo { set [(a)](bar){} }", "class foo { set [a](bar){} }", "Identifier"),
+        invalid("class foo { static [(a)](bar){} }", "class foo { static [a](bar){} }", "Identifier"),
+        invalid("class foo { [(a=b)](){} }", "class foo { [a=b](){} }", "AssignmentExpression"),
+        invalid("class foo { constructor (){} [(a+b)](){} }", "class foo { constructor (){} [a+b](){} }", "BinaryExpression"),
+        invalid("class foo { [(a+b)](){} constructor (){} }", "class foo { [a+b](){} constructor (){} }", "BinaryExpression"),
+        invalid("class foo { [(a+b)](){} c(){} }", "class foo { [a+b](){} c(){} }", "BinaryExpression"),
+        invalid("class foo { a(){} [(b+c)](){} d(){} }", "class foo { a(){} [b+c](){} d(){} }", "BinaryExpression"),
+        invalid("class foo { [(a+b)](){} [c](){} }", "class foo { [a+b](){} [c](){} }", "BinaryExpression"),
+        invalid("class foo { [a](){} [(b+c)](){} [d](){} }", "class foo { [a](){} [b+c](){} [d](){} }", "BinaryExpression"),
+        invalid("class foo { [(a+b)](){} [(c,d)](){} }", "class foo { [a+b](){} [(c,d)](){} }", "BinaryExpression"),
+        invalid("class foo { [(a,b)](){} [(c+d)](){} }", "class foo { [(a,b)](){} [c+d](){} }", "BinaryExpression"),
+        invalid("class foo { [a+(b*c)](){} }", "class foo { [a+b*c](){} }", "BinaryExpression"),
+        invalid("const foo = class { [(a)](){} }", "const foo = class { [a](){} }", "Identifier"),
+        invalid(
+            "var foo = (function*() { if ((yield foo())) { return; } }())",
+            "var foo = (function*() { if (yield foo()) { return; } }())",
+            "YieldExpression",
+            1
+        ),
+        invalid("f((0))", "f(0)", "Literal"),
+        invalid("f(0, (1))", "f(0, 1)", "Literal"),
+        invalid("!(0)", "!0", "Literal"),
+        invalid("a[(1)]", "a[1]", "Literal"),
+        invalid("(a)(b)", "a(b)", "Identifier"),
+        invalid("(async)", "async", "Identifier"),
+        invalid("(a, b)", "a, b", "SequenceExpression"),
+        invalid("var a = (b = c);", "var a = b = c;", "AssignmentExpression"),
+        invalid("function f(){ return (a); }", "function f(){ return a; }", "Identifier"),
+        invalid("[a, (b = c)]", "[a, b = c]", "AssignmentExpression"),
+        invalid("!{a: (b = c)}", "!{a: b = c}", "AssignmentExpression"),
+        invalid("typeof(0)", "typeof 0", "Literal"),
+        invalid("typeof (0)", "typeof 0", "Literal"),
+        invalid("typeof([])", "typeof[]", "ArrayExpression"),
+        invalid("typeof ([])", "typeof []", "ArrayExpression"),
+        invalid("typeof( 0)", "typeof 0", "Literal"),
+        invalid("typeof(typeof 5)", "typeof typeof 5", "UnaryExpression"),
+        invalid("typeof (typeof 5)", "typeof typeof 5", "UnaryExpression"),
+        invalid("+(+foo)", "+ +foo", "UnaryExpression"),
+        invalid("-(-foo)", "- -foo", "UnaryExpression"),
+        invalid("+(-foo)", "+-foo", "UnaryExpression"),
+        invalid("-(+foo)", "-+foo", "UnaryExpression"),
+        invalid("-((bar+foo))", "-(bar+foo)", "BinaryExpression"),
+        invalid("+((bar-foo))", "+(bar-foo)", "BinaryExpression"),
+        invalid("++(foo)", "++foo", "Identifier"),
+        invalid("--(foo)", "--foo", "Identifier"),
+        invalid("(a || b) ? c : d", "a || b ? c : d", "LogicalExpression"),
+        invalid("a ? (b = c) : d", "a ? b = c : d", "AssignmentExpression"),
+        invalid("a ? b : (c = d)", "a ? b : c = d", "AssignmentExpression"),
+        invalid("(c = d) ? (b) : c", "(c = d) ? b : c", "Identifier", null, { options: ["all", { conditionalAssign: false }] }),
+        invalid("(c = d) ? b : (c)", "(c = d) ? b : c", "Identifier", null, { options: ["all", { conditionalAssign: false }] }),
+        invalid("f((a = b))", "f(a = b)", "AssignmentExpression"),
+        invalid("a, (b = c)", "a, b = c", "AssignmentExpression"),
+        invalid("a = (b * c)", "a = b * c", "BinaryExpression"),
+        invalid("a + (b * c)", "a + b * c", "BinaryExpression"),
+        invalid("(a * b) + c", "a * b + c", "BinaryExpression"),
+        invalid("(a * b) / c", "a * b / c", "BinaryExpression"),
+        invalid("(2) ** 3 ** 4", "2 ** 3 ** 4", "Literal", null),
+        invalid("2 ** (3 ** 4)", "2 ** 3 ** 4", "BinaryExpression", null),
+        invalid("(2 ** 3)", "2 ** 3", "BinaryExpression", null),
+        invalid("(2 ** 3) + 1", "2 ** 3 + 1", "BinaryExpression", null),
+        invalid("1 - (2 ** 3)", "1 - 2 ** 3", "BinaryExpression", null),
+        invalid("-((2 ** 3))", "-(2 ** 3)", "BinaryExpression", null),
+        invalid("typeof ((a ** b));", "typeof (a ** b);", "BinaryExpression", null),
+        invalid("((-2)) ** 3", "(-2) ** 3", "UnaryExpression", null),
+
+        invalid("a = (b * c)", "a = b * c", "BinaryExpression", null, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("(b * c)", "b * c", "BinaryExpression", null, { options: ["all", { nestedBinaryExpressions: false }] }),
+
+        invalid("a = (b = c)", "a = b = c", "AssignmentExpression"),
+        invalid("(a).b", "a.b", "Identifier"),
+        invalid("(0)[a]", "0[a]", "Literal"),
+        invalid("(0.0).a", "0.0.a", "Literal"),
+        invalid("(0xBEEF).a", "0xBEEF.a", "Literal"),
+        invalid("(1e6).a", "1e6.a", "Literal"),
+        invalid("(0123).a", "0123.a", "Literal"),
+        invalid("a[(function() {})]", "a[function() {}]", "FunctionExpression"),
+        invalid("new (function(){})", "new function(){}", "FunctionExpression"),
+        invalid("new (\nfunction(){}\n)", "new \nfunction(){}\n", "FunctionExpression", 1),
+        invalid("((function foo() {return 1;}))()", "(function foo() {return 1;})()", "FunctionExpression"),
+        invalid("((function(){ return bar(); })())", "(function(){ return bar(); })()", "CallExpression"),
+        invalid("(foo()).bar", "foo().bar", "CallExpression"),
+        invalid("(foo.bar()).baz", "foo.bar().baz", "CallExpression"),
+        invalid("(foo\n.bar())\n.baz", "foo\n.bar()\n.baz", "CallExpression"),
+        invalid("(new foo()).bar", "new foo().bar", "NewExpression"),
+        invalid("(new foo())[bar]", "new foo()[bar]", "NewExpression"),
+        invalid("(new foo()).bar()", "new foo().bar()", "NewExpression"),
+        invalid("(new foo(bar)).baz", "new foo(bar).baz", "NewExpression"),
+        invalid("(new foo.bar()).baz", "new foo.bar().baz", "NewExpression"),
+        invalid("(new foo.bar()).baz()", "new foo.bar().baz()", "NewExpression"),
+
+        invalid("(a)()", "a()", "Identifier"),
+        invalid("(a.b)()", "a.b()", "MemberExpression"),
+        invalid("(a())()", "a()()", "CallExpression"),
+        invalid("(a.b())()", "a.b()()", "CallExpression"),
+        invalid("(a().b)()", "a().b()", "MemberExpression"),
+        invalid("(a().b.c)()", "a().b.c()", "MemberExpression"),
+        invalid("new (A)", "new A", "Identifier"),
+        invalid("(new A())()", "new A()()", "NewExpression"),
+        invalid("(new A(1))()", "new A(1)()", "NewExpression"),
+        invalid("((new A))()", "(new A)()", "NewExpression"),
+        invalid("new (foo\n.baz\n.bar\n.foo.baz)", "new foo\n.baz\n.bar\n.foo.baz", "MemberExpression"),
+        invalid("new (foo.baz.bar.baz)", "new foo.baz.bar.baz", "MemberExpression"),
+
+        invalid("0, (_ => 0)", "0, _ => 0", "ArrowFunctionExpression", 1),
+        invalid("(_ => 0), 0", "_ => 0, 0", "ArrowFunctionExpression", 1),
+        invalid("a = (_ => 0)", "a = _ => 0", "ArrowFunctionExpression", 1),
+        invalid("_ => (a = 0)", "_ => a = 0", "AssignmentExpression", 1),
+        invalid("x => (({}))", "x => ({})", "ObjectExpression", 1),
+
+        invalid("new (function(){})", "new function(){}", "FunctionExpression", null, { options: ["functions"] }),
+        invalid("new (\nfunction(){}\n)", "new \nfunction(){}\n", "FunctionExpression", 1, { options: ["functions"] }),
+        invalid("((function foo() {return 1;}))()", "(function foo() {return 1;})()", "FunctionExpression", null, { options: ["functions"] }),
+        invalid("a[(function() {})]", "a[function() {}]", "FunctionExpression", null, { options: ["functions"] }),
+        invalid("0, (_ => 0)", "0, _ => 0", "ArrowFunctionExpression", 1, { options: ["functions"] }),
+        invalid("(_ => 0), 0", "_ => 0, 0", "ArrowFunctionExpression", 1, { options: ["functions"] }),
+        invalid("a = (_ => 0)", "a = _ => 0", "ArrowFunctionExpression", 1, { options: ["functions"] }),
+
+
+        invalid("while ((foo = bar())) {}", "while (foo = bar()) {}", "AssignmentExpression"),
+        invalid("while ((foo = bar())) {}", "while (foo = bar()) {}", "AssignmentExpression", 1, { options: ["all", { conditionalAssign: true }] }),
+        invalid("if ((foo = bar())) {}", "if (foo = bar()) {}", "AssignmentExpression"),
+        invalid("do; while ((foo = bar()))", "do; while (foo = bar())", "AssignmentExpression"),
+        invalid("for (;(a = b););", "for (;a = b;);", "AssignmentExpression"),
+
+        // https://github.com/eslint/eslint/issues/3653
+        invalid("((function(){})).foo();", "(function(){}).foo();", "FunctionExpression"),
+        invalid("((function(){}).foo());", "(function(){}).foo();", "CallExpression"),
+        invalid("((function(){}).foo);", "(function(){}).foo;", "MemberExpression"),
+        invalid("0, (function(){}).foo();", "0, function(){}.foo();", "FunctionExpression"),
+        invalid("void (function(){}).foo();", "void function(){}.foo();", "FunctionExpression"),
+        invalid("++(function(){}).foo;", "++function(){}.foo;", "FunctionExpression"),
+        invalid("bar || (function(){}).foo();", "bar || function(){}.foo();", "FunctionExpression"),
+        invalid("1 + (function(){}).foo();", "1 + function(){}.foo();", "FunctionExpression"),
+        invalid("bar ? (function(){}).foo() : baz;", "bar ? function(){}.foo() : baz;", "FunctionExpression"),
+        invalid("bar ? baz : (function(){}).foo();", "bar ? baz : function(){}.foo();", "FunctionExpression"),
+        invalid("bar((function(){}).foo(), 0);", "bar(function(){}.foo(), 0);", "FunctionExpression"),
+        invalid("bar[(function(){}).foo()];", "bar[function(){}.foo()];", "FunctionExpression"),
+        invalid("var bar = (function(){}).foo();", "var bar = function(){}.foo();", "FunctionExpression"),
+
+        invalid("((class{})).foo();", "(class{}).foo();", "ClassExpression", null),
+        invalid("((class{}).foo());", "(class{}).foo();", "CallExpression", null),
+        invalid("((class{}).foo);", "(class{}).foo;", "MemberExpression", null),
+        invalid("0, (class{}).foo();", "0, class{}.foo();", "ClassExpression", null),
+        invalid("void (class{}).foo();", "void class{}.foo();", "ClassExpression", null),
+        invalid("++(class{}).foo;", "++class{}.foo;", "ClassExpression", null),
+        invalid("bar || (class{}).foo();", "bar || class{}.foo();", "ClassExpression", null),
+        invalid("1 + (class{}).foo();", "1 + class{}.foo();", "ClassExpression", null),
+        invalid("bar ? (class{}).foo() : baz;", "bar ? class{}.foo() : baz;", "ClassExpression", null),
+        invalid("bar ? baz : (class{}).foo();", "bar ? baz : class{}.foo();", "ClassExpression", null),
+        invalid("bar((class{}).foo(), 0);", "bar(class{}.foo(), 0);", "ClassExpression", null),
+        invalid("bar[(class{}).foo()];", "bar[class{}.foo()];", "ClassExpression", null),
+        invalid("var bar = (class{}).foo();", "var bar = class{}.foo();", "ClassExpression", null),
+        invalid("var foo = ((bar, baz));", "var foo = (bar, baz);", "SequenceExpression", null),
+
+        // https://github.com/eslint/eslint/issues/4608
+        invalid("function *a() { yield (b); }", "function *a() { yield b; }", "Identifier", null),
+        invalid("function *a() { (yield b), c; }", "function *a() { yield b, c; }", "YieldExpression", null),
+        invalid("function *a() { yield ((b, c)); }", "function *a() { yield (b, c); }", "SequenceExpression", null),
+        invalid("function *a() { yield (b + c); }", "function *a() { yield b + c; }", "BinaryExpression", null),
+
+        // https://github.com/eslint/eslint/issues/4229
+        invalid([
+            "function a() {",
+            "    return (b);",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return b;",
+            "}"
+        ].join("\n"), "Identifier"),
+        invalid([
+            "function a() {",
+            "    return",
+            "    (b);",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return",
+            "    b;",
+            "}"
+        ].join("\n"), "Identifier"),
+        invalid([
+            "function a() {",
+            "    return ((",
+            "       b",
+            "    ));",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return (",
+            "       b",
+            "    );",
+            "}"
+        ].join("\n"), "Identifier"),
+        invalid([
+            "function a() {",
+            "    return (<JSX />);",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return <JSX />;",
+            "}"
+        ].join("\n"), "JSXElement", null),
+        invalid([
+            "function a() {",
+            "    return",
+            "    (<JSX />);",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return",
+            "    <JSX />;",
+            "}"
+        ].join("\n"), "JSXElement", null),
+        invalid([
+            "function a() {",
+            "    return ((",
+            "       <JSX />",
+            "    ));",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return (",
+            "       <JSX />",
+            "    );",
+            "}"
+        ].join("\n"), "JSXElement", null),
+        invalid([
+            "function a() {",
+            "    return ((",
+            "       <></>",
+            "    ));",
+            "}"
+        ].join("\n"), [
+            "function a() {",
+            "    return (",
+            "       <></>",
+            "    );",
+            "}"
+        ].join("\n"), "JSXFragment", null),
+        invalid("throw (a);", "throw a;", "Identifier"),
+        invalid([
+            "throw ((",
+            "   a",
+            "));"
+        ].join("\n"), [
+            "throw (",
+            "   a",
+            ");"
+        ].join("\n"), "Identifier"),
+        invalid([
+            "function *a() {",
+            "    yield (b);",
+            "}"
+        ].join("\n"), [
+            "function *a() {",
+            "    yield b;",
+            "}"
+        ].join("\n"), "Identifier", null),
+        invalid([
+            "function *a() {",
+            "    yield",
+            "    (b);",
+            "}"
+        ].join("\n"), [
+            "function *a() {",
+            "    yield",
+            "    b;",
+            "}"
+        ].join("\n"), "Identifier", null),
+        invalid([
+            "function *a() {",
+            "    yield ((",
+            "       b",
+            "    ));",
+            "}"
+        ].join("\n"), [
+            "function *a() {",
+            "    yield (",
+            "       b",
+            "    );",
+            "}"
+        ].join("\n"), "Identifier", null),
+
+        // returnAssign option
+        {
+            code: "function a(b) { return (b || c); }",
+            output: "function a(b) { return b || c; }",
+            options: ["all", { returnAssign: false }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(b) { return ((b = c) || (d = e)); }",
+            output: "function a(b) { return (b = c) || (d = e); }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(b) { return (b = 1); }",
+            output: "function a(b) { return b = 1; }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "function a(b) { return c ? (d = b) : (e = b); }",
+            output: "function a(b) { return c ? d = b : e = b; }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                },
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "b => (b || c);",
+            output: "b => b || c;",
+            options: ["all", { returnAssign: false }],
+
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "b => ((b = c) || (d = e));",
+            output: "b => (b = c) || (d = e);",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "b => (b = 1);",
+            output: "b => b = 1;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "b => c ? (d = b) : (e = b);",
+            output: "b => c ? d = b : e = b;",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                },
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "b => { return (b || c); }",
+            output: "b => { return b || c; }",
+            options: ["all", { returnAssign: false }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "b => { return ((b = c) || (d = e)) };",
+            output: "b => { return (b = c) || (d = e) };",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "LogicalExpression"
+                }
+            ]
+        },
+        {
+            code: "b => { return (b = 1) };",
+            output: "b => { return b = 1 };",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "b => { return c ? (d = b) : (e = b); }",
+            output: "b => { return c ? d = b : e = b; }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                },
+                {
+                    messageId: "unexpected",
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+
+        // async/await
+        {
+            code: "async function a() { (await a) + (await b); }",
+            output: "async function a() { await a + await b; }",
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "AwaitExpression"
+                },
+                {
+                    messageId: "unexpected",
+                    type: "AwaitExpression"
+                }
+            ]
+        },
+        invalid("async function a() { await (a); }", "async function a() { await a; }", "Identifier", null),
+        invalid("async function a() { await (a()); }", "async function a() { await a(); }", "CallExpression", null),
+        invalid("async function a() { await (+a); }", "async function a() { await +a; }", "UnaryExpression", null),
+        invalid("async function a() { +(await a); }", "async function a() { +await a; }", "AwaitExpression", null),
+        invalid("async function a() { await ((a,b)); }", "async function a() { await (a,b); }", "SequenceExpression", null),
+        invalid("(foo) instanceof bar", "foo instanceof bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("(foo) in bar", "foo in bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("(foo) + bar", "foo + bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("(foo) && bar", "foo && bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("foo instanceof (bar)", "foo instanceof bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("foo in (bar)", "foo in bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("foo + (bar)", "foo + bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+        invalid("foo && (bar)", "foo && bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }),
+
+        // ["all", { ignoreJSX: "multi-line" }]
+        invalid("const Component = (<div />);", "const Component = <div />;", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "multi-line" }]
+        }),
+        invalid([
+            "const Component = (",
+            "  <div />",
+            ");"
+        ].join("\n"), "const Component = \n  <div />\n;", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "multi-line" }]
+        }),
+        invalid([
+            "const Component = (",
+            "  <></>",
+            ");"
+        ].join("\n"), "const Component = \n  <></>\n;", "JSXFragment", 1, {
+            options: ["all", { ignoreJSX: "multi-line" }]
+        }),
+
+        // ["all", { ignoreJSX: "single-line" }]
+        invalid([
+            "const Component = (",
+            "<div>",
+            "  <p />",
+            "</div>",
+            ");"
+        ].join("\n"), "const Component = \n<div>\n  <p />\n</div>\n;", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "single-line" }]
+        }),
+        invalid([
+            "const Component = (<div>",
+            "  <p />",
+            "</div>);"
+        ].join("\n"), "const Component = <div>\n  <p />\n</div>;", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "single-line" }]
+        }),
+        invalid([
+            "const Component = (<div",
+            "  prop={true}",
+            "/>)"
+        ].join("\n"), "const Component = <div\n  prop={true}\n/>", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "single-line" }]
+        }),
+
+        // ["all", { ignoreJSX: "none" }] default, same as unspecified
+        invalid("const Component = (<div />);", "const Component = <div />;", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "none" }]
+        }),
+        invalid([
+            "const Component = (<div>",
+            "<p />",
+            "</div>)"
+        ].join("\n"), "const Component = <div>\n<p />\n</div>", "JSXElement", 1, {
+            options: ["all", { ignoreJSX: "none" }]
+        }),
+
+        // ["all", { enforceForArrowConditionals: true }]
+        {
+            code: "var a = (b) => (1 ? 2 : 3)",
+            output: "var a = (b) => 1 ? 2 : 3",
+            options: ["all", { enforceForArrowConditionals: true }],
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "var a = (b) => ((1 ? 2 : 3))",
+            output: "var a = (b) => (1 ? 2 : 3)",
+            options: ["all", { enforceForArrowConditionals: true }],
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+
+        // ["all", { enforceForSequenceExpressions: true }]
+        {
+            code: "(a, b)",
+            output: "a, b",
+            options: ["all"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+        {
+            code: "(a, b)",
+            output: "a, b",
+            options: ["all", {}],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+        {
+            code: "(a, b)",
+            output: "a, b",
+            options: ["all", { enforceForSequenceExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+        {
+            code: "(foo(), bar());",
+            output: "foo(), bar();",
+            options: ["all", { enforceForSequenceExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+        {
+            code: "if((a, b)){}",
+            output: "if(a, b){}",
+            options: ["all", { enforceForSequenceExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+        {
+            code: "while ((val = foo(), val < 10));",
+            output: "while (val = foo(), val < 10);",
+            options: ["all", { enforceForSequenceExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "SequenceExpression"
+                }
+            ]
+        },
+
+        // ["all", { enforceForNewInMemberExpressions: true }]
+        {
+            code: "(new foo()).bar",
+            output: "new foo().bar",
+            options: ["all"],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "(new foo()).bar",
+            output: "new foo().bar",
+            options: ["all", {}],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "(new foo()).bar",
+            output: "new foo().bar",
+            options: ["all", { enforceForNewInMemberExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "(new foo())[bar]",
+            output: "new foo()[bar]",
+            options: ["all", { enforceForNewInMemberExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "(new foo.bar()).baz",
+            output: "new foo.bar().baz",
+            options: ["all", { enforceForNewInMemberExpressions: true }],
+            errors: [
+                {
+                    messageId: "unexpected",
+                    type: "NewExpression"
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/8175
+        invalid(
+            "let a = [...(b)]",
+            "let a = [...b]",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "let a = {...(b)}",
+            "let a = {...b}",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "let a = {...(b)}",
+            "let a = {...b}",
+            "Identifier",
+            1,
+            { parserOptions: { ecmaVersion: 2018 } }
+        ),
+        invalid(
+            "let a = [...((b, c))]",
+            "let a = [...(b, c)]",
+            "SequenceExpression",
+            1
+        ),
+        invalid(
+            "let a = {...((b, c))}",
+            "let a = {...(b, c)}",
+            "SequenceExpression",
+            1
+        ),
+        invalid(
+            "let a = {...((b, c))}",
+            "let a = {...(b, c)}",
+            "SequenceExpression",
+            1,
+            { parserOptions: { ecmaVersion: 2018 } }
+        ),
+        invalid(
+            "class A extends (B) {}",
+            "class A extends B {}",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "const A = class extends (B) {}",
+            "const A = class extends B {}",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "class A extends ((B=C)) {}",
+            "class A extends (B=C) {}",
+            "AssignmentExpression",
+            1
+        ),
+        invalid(
+            "const A = class extends ((B=C)) {}",
+            "const A = class extends (B=C) {}",
+            "AssignmentExpression",
+            1
+        ),
+        invalid(
+            "class A extends ((++foo)) {}",
+            "class A extends (++foo) {}",
+            "UpdateExpression",
+            1
+        ),
+        invalid(
+            "for (foo of(bar));",
+            "for (foo of bar);",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "for ((foo) of bar);",
+            "for (foo of bar);",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "for (foo of ((bar, baz)));",
+            "for (foo of (bar, baz));",
+            "SequenceExpression",
+            1
+        ),
+        invalid(
+            "for ((foo)in bar);",
+            "for (foo in bar);",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "for ((foo['bar'])of baz);",
+            "for (foo['bar']of baz);",
+            "MemberExpression",
+            1
+        ),
+        invalid(
+            "() => (({ foo: 1 }).foo)",
+            "() => ({ foo: 1 }).foo",
+            "MemberExpression",
+            1
+        ),
+        invalid(
+            "(let).foo",
+            "let.foo",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "for ((let.foo) in bar);",
+            "for (let.foo in bar);",
+            "MemberExpression",
+            1
+        ),
+        invalid(
+            "for ((let).foo.bar in baz);",
+            "for (let.foo.bar in baz);",
+            "Identifier",
+            1
+        ),
+        invalid("for (a in (b, c));", "for (a in b, c);", "SequenceExpression", null),
+        invalid(
+            "(let)",
+            "let",
+            "Identifier",
+            1
+        ),
+        invalid(
+            "((let))",
+            "(let)",
+            "Identifier",
+            1
+        ),
+        invalid("let s = `${(v)}`", "let s = `${v}`", "Identifier"),
+        invalid("let s = `${(a, b)}`", "let s = `${a, b}`", "SequenceExpression"),
+        invalid("function foo(a = (b)) {}", "function foo(a = b) {}", "Identifier"),
+        invalid("const bar = (a = (b)) => a", "const bar = (a = b) => a", "Identifier"),
+        invalid("const [a = (b)] = []", "const [a = b] = []", "Identifier"),
+        invalid("const {a = (b)} = {}", "const {a = b} = {}", "Identifier"),
+
+        // LHS of assignments/Assignment targets
+        invalid("(a) = b", "a = b", "Identifier"),
+        invalid("(a.b) = c", "a.b = c", "MemberExpression"),
+        invalid("(a) += b", "a += b", "Identifier"),
+        invalid("(a.b) >>= c", "a.b >>= c", "MemberExpression"),
+        invalid("[(a) = b] = []", "[a = b] = []", "Identifier"),
+        invalid("[(a.b) = c] = []", "[a.b = c] = []", "MemberExpression"),
+        invalid("({ a: (b) = c } = {})", "({ a: b = c } = {})", "Identifier"),
+        invalid("({ a: (b.c) = d } = {})", "({ a: b.c = d } = {})", "MemberExpression"),
+        invalid("[(a)] = []", "[a] = []", "Identifier"),
+        invalid("[(a.b)] = []", "[a.b] = []", "MemberExpression"),
+        invalid("[,(a),,] = []", "[,a,,] = []", "Identifier"),
+        invalid("[...(a)] = []", "[...a] = []", "Identifier"),
+        invalid("[...(a.b)] = []", "[...a.b] = []", "MemberExpression"),
+        invalid("({ a: (b) } = {})", "({ a: b } = {})", "Identifier"),
+        invalid("({ a: (b.c) } = {})", "({ a: b.c } = {})", "MemberExpression"),
+
+        /*
+         * TODO: Add these tests for RestElement's parenthesized arguments in object patterns when that becomes supported by Espree.
+         *
+         * invalid("({ ...(a) } = {})", "({ ...a } = {})", "Identifier"),
+         * invalid("({ ...(a.b) } = {})", "({ ...a.b } = {})", "MemberExpression")
+         */
+
+        // https://github.com/eslint/eslint/issues/11706 (also in valid[])
+        {
+            code: "for ((a = (b in c)); ;);",
+            output: "for ((a = b in c); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = ((b in c) && (d in e)); ;);",
+            output: "for (let a = (b in c && d in e); ;);",
+            errors: Array(2).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = ((b in c) in d); ;);",
+            output: "for (let a = (b in c in d); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b && (c in d)), e = (f in g); ;);",
+            output: "for (let a = (b && c in d), e = (f in g); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b + c), d = (e in f); ;);",
+            output: "for (let a = b + c, d = (e in f); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = [(b in c)]; ;);",
+            output: "for (let a = [b in c]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = [b, (c in d)]; ;);",
+            output: "for (let a = [b, c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = ([b in c]); ;);",
+            output: "for (let a = [b in c]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = ([b, c in d]); ;);",
+            output: "for (let a = [b, c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for ((a = [b in c]); ;);",
+            output: "for (a = [b in c]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = [b && (c in d)]; ;);",
+            output: "for (let a = [b && c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = [(b && c in d)]; ;);",
+            output: "for (let a = [b && c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = ([b && c in d]); ;);",
+            output: "for (let a = [b && c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for ((a = [b && c in d]); ;);",
+            output: "for (a = [b && c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for ([(a in b)]; ;);",
+            output: "for ([a in b]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (([a in b]); ;);",
+            output: "for ([a in b]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = [(b in c)], d = (e in f); ;);",
+            output: "for (let a = [b in c], d = (e in f); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let [a = (b in c)] = []; ;);",
+            output: "for (let [a = b in c] = []; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let [a = b && (c in d)] = []; ;);",
+            output: "for (let [a = b && c in d] = []; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = () => { (b in c) }; ;);",
+            output: "for (let a = () => { b in c }; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = () => { a && (b in c) }; ;);",
+            output: "for (let a = () => { a && b in c }; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = function () { (b in c) }; ;);",
+            output: "for (let a = function () { b in c }; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = { a: (b in c) }; ;);",
+            output: "for (let a = { a: b in c }; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = { a: b && (c in d) }; ;);",
+            output: "for (let a = { a: b && c in d }; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let { a = (b in c) } = {}; ;);",
+            output: "for (let { a = b in c } = {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let { a = b && (c in d) } = {}; ;);",
+            output: "for (let { a = b && c in d } = {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let { a: { b = c && (d in e) } } = {}; ;);",
+            output: "for (let { a: { b = c && d in e } } = {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = `${(a in b)}`; ;);",
+            output: "for (let a = `${a in b}`; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = `${a && (b in c)}`; ;);",
+            output: "for (let a = `${a && b in c}`; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b = (c in d)) => {}; ;);",
+            output: "for (let a = (b = c in d) => {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b = c && (d in e)) => {}; ;);",
+            output: "for (let a = (b = c && d in e) => {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b, c = d && (e in f)) => {}; ;);",
+            output: "for (let a = (b, c = d && e in f) => {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = function (b = c && (d in e)) {}; ;);",
+            output: "for (let a = function (b = c && d in e) {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = function (b, c = d && (e in f)) {}; ;);",
+            output: "for (let a = function (b, c = d && e in f) {}; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b((c in d)); ;);",
+            output: "for (let a = b(c in d); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b(c, (d in e)); ;);",
+            output: "for (let a = b(c, d in e); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b(c && (d in e)); ;);",
+            output: "for (let a = b(c && d in e); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b(c, d && (e in f)); ;);",
+            output: "for (let a = b(c, d && e in f); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = new b((c in d)); ;);",
+            output: "for (let a = new b(c in d); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = new b(c, (d in e)); ;);",
+            output: "for (let a = new b(c, d in e); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = new b(c && (d in e)); ;);",
+            output: "for (let a = new b(c && d in e); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = new b(c, d && (e in f)); ;);",
+            output: "for (let a = new b(c, d && e in f); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b[(c in d)]; ;);",
+            output: "for (let a = b[c in d]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b[c && (d in e)]; ;);",
+            output: "for (let a = b[c && d in e]; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b ? (c in d) : e; ;);",
+            output: "for (let a = b ? c in d : e; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = b ? c && (d in e) : f; ;);",
+            output: "for (let a = b ? c && d in e : f; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (a ? b && (c in d) : e; ;);",
+            output: "for (a ? b && c in d : e; ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = ((b in c)); ;);",
+            output: "for (let a = (b in c); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (((a in b)); ;);",
+            output: "for ((a in b); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (((a && b in c && d)); ;);",
+            output: "for ((a && b in c && d); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (!(b in c)); ;);",
+            output: "for (let a = !(b in c); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (!(b && c in d)); ;);",
+            output: "for (let a = !(b && c in d); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = !((b in c) && (d in e)); ;);",
+            output: "for (let a = !(b in c && d in e); ;);",
+            errors: Array(2).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = (x && (b in c)), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);",
+            output: "for (let a = (x && b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b in c), d = () => { for ((x && (e in f)); ;); for ((g in h); ;); }; ;); for((i in j); ;);",
+            output: "for (let a = (b in c), d = () => { for ((x && e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((x && (g in h)); ;); }; ;); for((i in j); ;);",
+            output: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((x && g in h); ;); }; ;); for((i in j); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((x && (i in j)); ;);",
+            output: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((x && i in j); ;);",
+            errors: [
+                {
+                    messageId: "unexpected"
+                }
+            ]
+        },
+        {
+            code: "for (let a = (x && (b in c)), d = () => { for ((e in f); ;); for ((y && (g in h)); ;); }; ;); for((i in j); ;);",
+            output: "for (let a = (x && b in c), d = () => { for ((e in f); ;); for ((y && g in h); ;); }; ;); for((i in j); ;);",
+            errors: Array(2).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = (x && (b in c)), d = () => { for ((y && (e in f)); ;); for ((z && (g in h)); ;); }; ;); for((w && (i in j)); ;);",
+            output: "for (let a = (x && b in c), d = () => { for ((y && e in f); ;); for ((z && g in h); ;); }; ;); for((w && i in j); ;);",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+
+        // https://github.com/eslint/eslint/issues/11706 regression tests (also in valid[])
+        {
+            code: "for (let a = (b); a > (b); a = (b)) a = (b); a = (b);",
+            output: "for (let a = b; a > b; a = b) a = b; a = b;",
+            errors: Array(5).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for ((a = b); (a > b); (a = b)) (a = b); (a = b);",
+            output: "for (a = b; a > b; a = b) a = b; a = b;",
+            errors: Array(5).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = b; a > (b); a = (b)) a = (b); a = (b);",
+            output: "for (let a = b; a > b; a = b) a = b; a = b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = b; (a > b); (a = b)) (a = b); (a = b);",
+            output: "for (let a = b; a > b; a = b) a = b; a = b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (; a > (b); a = (b)) a = (b); a = (b);",
+            output: "for (; a > b; a = b) a = b; a = b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (; (a > b); (a = b)) (a = b); (a = b);",
+            output: "for (; a > b; a = b) a = b; a = b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = (b); a = (b in c); a = (b in c)) a = (b in c); a = (b in c);",
+            output: "for (let a = b; a = b in c; a = b in c) a = b in c; a = b in c;",
+            errors: Array(5).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = (b); (a in b); (a in b)) (a in b); (a in b);",
+            output: "for (let a = b; a in b; a in b) a in b; a in b;",
+            errors: Array(5).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = b; a = (b in c); a = (b in c)) a = (b in c); a = (b in c);",
+            output: "for (let a = b; a = b in c; a = b in c) a = b in c; a = b in c;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = b; (a in b); (a in b)) (a in b); (a in b);",
+            output: "for (let a = b; a in b; a in b) a in b; a in b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (; a = (b in c); a = (b in c)) a = (b in c); a = (b in c);",
+            output: "for (; a = b in c; a = b in c) a = b in c; a = b in c;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (; (a in b); (a in b)) (a in b); (a in b);",
+            output: "for (; a in b; a in b) a in b; a in b;",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+        {
+            code: "for (let a = (b + c), d = () => { for ((e + f); ;); for ((g + h); ;); }; ;); for((i + j); ;);",
+            output: "for (let a = b + c, d = () => { for (e + f; ;); for (g + h; ;); }; ;); for(i + j; ;);",
+            errors: Array(4).fill(
+                {
+                    messageId: "unexpected"
+                }
+            )
+        },
+
+        // import expressions
+        invalid(
+            "import((source))",
+            "import(source)",
+            "Identifier",
+            1,
+            { parserOptions: { ecmaVersion: 2020 } }
+        ),
+        invalid(
+            "import((source = 'foo.js'))",
+            "import(source = 'foo.js')",
+            "AssignmentExpression",
+            1,
+            { parserOptions: { ecmaVersion: 2020 } }
+        ),
+        invalid(
+            "import(((s,t)))",
+            "import((s,t))",
+            "SequenceExpression",
+            1,
+            { parserOptions: { ecmaVersion: 2020 } }
+        ),
+
+        // https://github.com/eslint/eslint/issues/12127
+        {
+            code: "[1, ((2, 3))];",
+            output: "[1, (2, 3)];",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "const foo = () => ((bar, baz));",
+            output: "const foo = () => (bar, baz);",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "foo = ((bar, baz));",
+            output: "foo = (bar, baz);",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "foo + ((bar + baz));",
+            output: "foo + (bar + baz);",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "((foo + bar)) + baz;",
+            output: "(foo + bar) + baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "foo * ((bar + baz));",
+            output: "foo * (bar + baz);",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "((foo + bar)) * baz;",
+            output: "(foo + bar) * baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "new A(((foo, bar)))",
+            output: "new A((foo, bar))",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "class A{ [((foo, bar))]() {} }",
+            output: "class A{ [(foo, bar)]() {} }",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "new ((A, B))()",
+            output: "new (A, B)()",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "((foo, bar)) ? bar : baz;",
+            output: "(foo, bar) ? bar : baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "((f ? o : o)) ? bar : baz;",
+            output: "(f ? o : o) ? bar : baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "((f = oo)) ? bar : baz;",
+            output: "(f = oo) ? bar : baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "foo ? ((bar, baz)) : baz;",
+            output: "foo ? (bar, baz) : baz;",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "foo ? bar : ((bar, baz));",
+            output: "foo ? bar : (bar, baz);",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "function foo(bar = ((baz1, baz2))) {}",
+            output: "function foo(bar = (baz1, baz2)) {}",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "var foo = { bar: ((baz1, baz2)) };",
+            output: "var foo = { bar: (baz1, baz2) };",
+            errors: [{ messageId: "unexpected" }]
+        },
+        {
+            code: "var foo = { [((bar1, bar2))]: baz };",
+            output: "var foo = { [(bar1, bar2)]: baz };",
+            errors: [{ messageId: "unexpected" }]
+        },
+
+        // adjacent tokens tests for division operator, comments and regular expressions
+        invalid("a+/**/(/**/b)", "a+/**//**/b", "Identifier"),
+        invalid("a+/**/(//\nb)", "a+/**///\nb", "Identifier"),
+        invalid("a in(/**/b)", "a in/**/b", "Identifier"),
+        invalid("a in(//\nb)", "a in//\nb", "Identifier"),
+        invalid("a+(/**/b)", "a+/**/b", "Identifier"),
+        invalid("a+/**/(b)", "a+/**/b", "Identifier"),
+        invalid("a+(//\nb)", "a+//\nb", "Identifier"),
+        invalid("a+//\n(b)", "a+//\nb", "Identifier"),
+        invalid("a+(/^b$/)", "a+/^b$/", "Literal"),
+        invalid("a/(/**/b)", "a/ /**/b", "Identifier"),
+        invalid("a/(//\nb)", "a/ //\nb", "Identifier"),
+        invalid("a/(/^b$/)", "a/ /^b$/", "Literal")
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-extra-semi.js b/eslint/tests/lib/rules/no-extra-semi.js
new file mode 100644
index 0000000..913290a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-extra-semi.js
@@ -0,0 +1,162 @@
+/**
+ * @fileoverview Tests for no-extra-semi rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-extra-semi"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-extra-semi", rule, {
+    valid: [
+        "var x = 5;",
+        "function foo(){}",
+        "for(;;);",
+        "while(0);",
+        "do;while(0);",
+        "for(a in b);",
+        { code: "for(a of b);", parserOptions: { ecmaVersion: 6 } },
+        "if(true);",
+        "if(true); else;",
+        "foo: ;",
+        "with(foo);",
+
+        // Class body.
+        { code: "class A { }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var A = class { };", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { a() { this; } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var A = class { a() { this; } };", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { } a;", parserOptions: { ecmaVersion: 6 } },
+
+        // modules
+        { code: "export const x = 42;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default 42;", parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+    invalid: [
+        {
+            code: "var x = 5;;",
+            output: "var x = 5;",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "function foo(){};",
+            output: "function foo(){}",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "for(;;);;",
+            output: "for(;;);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "while(0);;",
+            output: "while(0);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "do;while(0);;",
+            output: "do;while(0);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "for(a in b);;",
+            output: "for(a in b);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "for(a of b);;",
+            output: "for(a of b);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "if(true);;",
+            output: "if(true);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "if(true){} else;;",
+            output: "if(true){} else;",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "if(true){;} else {;}",
+            output: "if(true){} else {}",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }, { messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "foo:;;",
+            output: "foo:;",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "with(foo);;",
+            output: "with(foo);",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+        {
+            code: "with(foo){;}",
+            output: "with(foo){}",
+            errors: [{ messageId: "unexpected", type: "EmptyStatement" }]
+        },
+
+        // Class body.
+        {
+            code: "class A { ; }",
+            output: "class A {  }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 11 }]
+        },
+        {
+            code: "class A { /*a*/; }",
+            output: "class A { /*a*/ }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 16 }]
+        },
+        {
+            code: "class A { ; a() {} }",
+            output: "class A {  a() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 11 }]
+        },
+        {
+            code: "class A { a() {}; }",
+            output: "class A { a() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 17 }]
+        },
+        {
+            code: "class A { a() {}; b() {} }",
+            output: "class A { a() {} b() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 17 }]
+        },
+        {
+            code: "class A {; a() {}; b() {}; }",
+            output: "class A { a() {} b() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpected", type: "Punctuator", column: 10 },
+                { messageId: "unexpected", type: "Punctuator", column: 18 },
+                { messageId: "unexpected", type: "Punctuator", column: 26 }
+            ]
+        },
+        {
+            code: "class A { a() {}; get b() {} }",
+            output: "class A { a() {} get b() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unexpected", type: "Punctuator", column: 17 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-fallthrough.js b/eslint/tests/lib/rules/no-fallthrough.js
new file mode 100644
index 0000000..e154c31
--- /dev/null
+++ b/eslint/tests/lib/rules/no-fallthrough.js
@@ -0,0 +1,173 @@
+/**
+ * @fileoverview Tests for no-fallthrough rule.
+ * @author Matt DuVall<http://mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-fallthrough"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errorsDefault = [{
+    messageId: "default",
+    type: "SwitchCase"
+}];
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-fallthrough", rule, {
+    valid: [
+        "switch(foo) { case 0: a(); /* falls through */ case 1: b(); }",
+        "switch(foo) { case 0: a()\n /* falls through */ case 1: b(); }",
+        "switch(foo) { case 0: a(); /* fall through */ case 1: b(); }",
+        "switch(foo) { case 0: a(); /* fallthrough */ case 1: b(); }",
+        "switch(foo) { case 0: a(); /* FALLS THROUGH */ case 1: b(); }",
+        "function foo() { switch(foo) { case 0: a(); return; case 1: b(); }; }",
+        "switch(foo) { case 0: a(); throw 'foo'; case 1: b(); }",
+        "while (a) { switch(foo) { case 0: a(); continue; case 1: b(); } }",
+        "switch(foo) { case 0: a(); break; case 1: b(); }",
+        "switch(foo) { case 0: case 1: a(); break; case 2: b(); }",
+        "switch(foo) { case 0: case 1: break; case 2: b(); }",
+        "switch(foo) { case 0: case 1: break; default: b(); }",
+        "switch(foo) { case 0: case 1: a(); }",
+        "switch(foo) { case 0: case 1: a(); break; }",
+        "switch(foo) { case 0: case 1: break; }",
+        "switch(foo) { case 0:\n case 1: break; }",
+        "switch(foo) { case 0: // comment\n case 1: break; }",
+        "function foo() { switch(foo) { case 0: case 1: return; } }",
+        "function foo() { switch(foo) { case 0: {return;}\n case 1: {return;} } }",
+        "switch(foo) { case 0: case 1: {break;} }",
+        "switch(foo) { }",
+        "switch(foo) { case 0: switch(bar) { case 2: break; } /* falls through */ case 1: break; }",
+        "function foo() { switch(foo) { case 1: return a; a++; }}",
+        "switch (foo) { case 0: a(); /* falls through */ default:  b(); /* comment */ }",
+        "switch (foo) { case 0: a(); /* falls through */ default: /* comment */ b(); }",
+        "switch (foo) { case 0: if (a) { break; } else { throw 0; } default: b(); }",
+        "switch (foo) { case 0: try { break; } finally {} default: b(); }",
+        "switch (foo) { case 0: try {} finally { break; } default: b(); }",
+        "switch (foo) { case 0: try { throw 0; } catch (err) { break; } default: b(); }",
+        "switch (foo) { case 0: do { throw 0; } while(a); default: b(); }",
+        {
+            code: "switch(foo) { case 0: a(); /* no break */ case 1: b(); }",
+            options: [{
+                commentPattern: "no break"
+            }]
+        },
+        {
+            code: "switch(foo) { case 0: a(); /* no break: need to execute b() */ case 1: b(); }",
+            options: [{
+                commentPattern: "no break:\\s?\\w+"
+            }]
+        },
+        {
+            code: "switch(foo) { case 0: a();\n// need to execute b(), so\n// falling through\n case 1: b(); }",
+            options: [{
+                commentPattern: "falling through"
+            }]
+        },
+        {
+            code: "switch(foo) { case 0: a(); /* break omitted */ default:  b(); /* comment */ }",
+            options: [{
+                commentPattern: "break omitted"
+            }]
+        },
+        {
+            code: "switch(foo) { case 0: a(); /* caution: break is omitted intentionally */ case 1: b(); /* break omitted */ default: c(); }",
+            options: [{
+                commentPattern: "break[\\s\\w]+omitted"
+            }]
+        }
+    ],
+    invalid: [
+        {
+            code: "switch(foo) { case 0: a();\ncase 1: b() }",
+            errors: [
+                {
+                    messageId: "case",
+                    type: "SwitchCase",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch(foo) { case 0: a();\ndefault: b() }",
+            errors: [
+                {
+                    messageId: "default",
+                    type: "SwitchCase",
+                    line: 2,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch(foo) { case 0: a(); default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: if (a) { break; } default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: try { throw 0; } catch (err) {} default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: while (a) { break; } default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: do { break; } while (a); default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0:\n\n default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0:\n // comment\n default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: a(); /* falling through */ default: b() }",
+            errors: errorsDefault
+        },
+        {
+            code: "switch(foo) { case 0: a();\n/* no break */\ncase 1: b(); }",
+            options: [{
+                commentPattern: "break omitted"
+            }],
+            errors: [
+                {
+                    messageId: "case",
+                    type: "SwitchCase",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch(foo) { case 0: a();\n/* no break */\n/* todo: fix readability */\ndefault: b() }",
+            options: [{
+                commentPattern: "no break"
+            }],
+            errors: [
+                {
+                    messageId: "default",
+                    type: "SwitchCase",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-floating-decimal.js b/eslint/tests/lib/rules/no-floating-decimal.js
new file mode 100644
index 0000000..18d1b16
--- /dev/null
+++ b/eslint/tests/lib/rules/no-floating-decimal.js
@@ -0,0 +1,61 @@
+/**
+ * @fileoverview Tests for no-floating-decimal rule.
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-floating-decimal"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const leadingError = { messageId: "leading", type: "Literal" };
+const trailingError = { messageId: "trailing", type: "Literal" };
+
+ruleTester.run("no-floating-decimal", rule, {
+    valid: [
+        "var x = 2.5;",
+        "var x = \"2.5\";"
+    ],
+    invalid: [
+        {
+            code: "var x = .5;",
+            output: "var x = 0.5;",
+            errors: [leadingError]
+        },
+        {
+            code: "var x = -.5;",
+            output: "var x = -0.5;",
+            errors: [leadingError]
+        },
+        {
+            code: "var x = 2.;",
+            output: "var x = 2.0;",
+            errors: [trailingError]
+        },
+        {
+            code: "var x = -2.;",
+            output: "var x = -2.0;",
+            errors: [trailingError]
+        },
+        {
+            code: "typeof.2",
+            output: "typeof 0.2",
+            errors: [leadingError]
+        },
+        {
+            code: "for(foo of.2);",
+            output: "for(foo of 0.2);",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [leadingError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-func-assign.js b/eslint/tests/lib/rules/no-func-assign.js
new file mode 100644
index 0000000..6623421
--- /dev/null
+++ b/eslint/tests/lib/rules/no-func-assign.js
@@ -0,0 +1,93 @@
+/**
+ * @fileoverview Tests for no-func-assign.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-func-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-func-assign", rule, {
+    valid: [
+        "function foo() { var foo = bar; }",
+        "function foo(foo) { foo = bar; }",
+        "function foo() { var foo; foo = bar; }",
+        { code: "var foo = () => {}; foo = bar;", parserOptions: { ecmaVersion: 6 } },
+        "var foo = function() {}; foo = bar;",
+        "var foo = function() { foo = bar; };",
+        { code: "import bar from 'bar'; function foo() { var foo = bar; }", parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+    invalid: [
+        {
+            code: "function foo() {}; foo = bar;",
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { foo = bar; }",
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo = bar; function foo() { };",
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "[foo] = bar; function foo() { };",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "({x: foo = 0} = bar); function foo() { };",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { [foo] = bar; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { ({x: foo = 0} = bar); function foo() { }; })();",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "isAFunction",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-global-assign.js b/eslint/tests/lib/rules/no-global-assign.js
new file mode 100644
index 0000000..41f0ac0
--- /dev/null
+++ b/eslint/tests/lib/rules/no-global-assign.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Tests for no-global-assign rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-global-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-global-assign", rule, {
+    valid: [
+        "string = 'hello world';",
+        "var string;",
+        { code: "Object = 0;", options: [{ exceptions: ["Object"] }] },
+        "top = 0;",
+        { code: "onload = 0;", env: { browser: true } },
+        "require = 0;",
+        { code: "a = 1", globals: { a: true } },
+        "/*global a:true*/ a = 1"
+    ],
+    invalid: [
+        {
+            code: "String = 'hello world';",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "String" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "String++;",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "String" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "({Object = 0, String = 0} = {});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "globalShouldNotBeModified",
+                    data: { name: "Object" },
+                    type: "Identifier"
+                },
+                {
+                    messageId: "globalShouldNotBeModified",
+                    data: { name: "String" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "top = 0;",
+            env: { browser: true },
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "top" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "require = 0;",
+            env: { node: true },
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "require" },
+                type: "Identifier"
+            }]
+        },
+
+        // Notifications of readonly are moved from no-undef: https://github.com/eslint/eslint/issues/4504
+        {
+            code: "/*global b:false*/ function f() { b = 1; }",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function f() { b = 1; }",
+            globals: { b: false },
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "/*global b:false*/ function f() { b++; }",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "/*global b*/ b = 1;",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "Array = 1;",
+            errors: [{
+                messageId: "globalShouldNotBeModified",
+                data: { name: "Array" },
+                type: "Identifier"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-implicit-coercion.js b/eslint/tests/lib/rules/no-implicit-coercion.js
new file mode 100644
index 0000000..73bfe7d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-implicit-coercion.js
@@ -0,0 +1,360 @@
+/**
+ * @fileoverview Tests for no-implicit-coercion rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-implicit-coercion");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-implicit-coercion", rule, {
+    valid: [
+        "Boolean(foo)",
+        "foo.indexOf(1) !== -1",
+        "Number(foo)",
+        "parseInt(foo)",
+        "parseFloat(foo)",
+        "String(foo)",
+        "!foo",
+        "~foo",
+        "-foo",
+        "+1234",
+        "-1234",
+        "+Number(lol)",
+        "-parseFloat(lol)",
+        "2 * foo",
+        "1 * 1234",
+        "1 * Number(foo)",
+        "1 * parseInt(foo)",
+        "1 * parseFloat(foo)",
+        "Number(foo) * 1",
+        "parseInt(foo) * 1",
+        "parseFloat(foo) * 1",
+        "1 * 1234 * 678 * Number(foo)",
+        "1 * 1234 * 678 * parseInt(foo)",
+        "1234 * 1 * 678 * Number(foo)",
+        "1234 * 1 * Number(foo) * Number(bar)",
+        "1234 * 1 * Number(foo) * parseInt(bar)",
+        "1234 * 1 * Number(foo) * parseFloat(bar)",
+        "1234 * 1 * parseInt(foo) * parseFloat(bar)",
+        "1234 * 1 * parseInt(foo) * Number(bar)",
+        "1234 * 1 * parseFloat(foo) * Number(bar)",
+        "1234 * Number(foo) * 1 * Number(bar)",
+        "1234 * parseInt(foo) * 1 * Number(bar)",
+        "1234 * parseFloat(foo) * 1 * parseInt(bar)",
+        "1234 * parseFloat(foo) * 1 * Number(bar)",
+        "1234*foo*1",
+        "1234*1*foo",
+        "1234*bar*1*foo",
+        "1234*1*foo*bar",
+        "1234*1*foo*Number(bar)",
+        "1234*1*Number(foo)*bar",
+        "1234*1*parseInt(foo)*bar",
+        "0 + foo",
+        "~foo.bar()",
+        "foo + 'bar'",
+        { code: "foo + `${bar}`", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "!!foo", options: [{ boolean: false }] },
+        { code: "~foo.indexOf(1)", options: [{ boolean: false }] },
+        { code: "+foo", options: [{ number: false }] },
+        { code: "1*foo", options: [{ number: false }] },
+        { code: "\"\"+foo", options: [{ string: false }] },
+        { code: "foo += \"\"", options: [{ string: false }] },
+        { code: "var a = !!foo", options: [{ boolean: true, allow: ["!!"] }] },
+        { code: "var a = ~foo.indexOf(1)", options: [{ boolean: true, allow: ["~"] }] },
+        { code: "var a = ~foo", options: [{ boolean: true }] },
+        { code: "var a = 1 * foo", options: [{ boolean: true, allow: ["*"] }] },
+        { code: "var a = +foo", options: [{ boolean: true, allow: ["+"] }] },
+        { code: "var a = \"\" + foo", options: [{ boolean: true, string: true, allow: ["+"] }] },
+
+        // https://github.com/eslint/eslint/issues/7057
+        "'' + 'foo'",
+        { code: "`` + 'foo'", parserOptions: { ecmaVersion: 6 } },
+        { code: "'' + `${foo}`", parserOptions: { ecmaVersion: 6 } },
+        "'foo' + ''",
+        { code: "'foo' + ``", parserOptions: { ecmaVersion: 6 } },
+        { code: "`${foo}` + ''", parserOptions: { ecmaVersion: 6 } },
+        "foo += 'bar'",
+        { code: "foo += `${bar}`", parserOptions: { ecmaVersion: 6 } },
+        "+42"
+    ],
+    invalid: [
+        {
+            code: "!!foo",
+            output: "Boolean(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Boolean(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "!!(foo + bar)",
+            output: "Boolean(foo + bar)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Boolean(foo + bar)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "~foo.indexOf(1)",
+            output: null,
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "foo.indexOf(1) !== -1" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "~foo.bar.indexOf(2)",
+            output: null,
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "foo.bar.indexOf(2) !== -1" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "+foo",
+            output: "Number(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "+foo.bar",
+            output: "Number(foo.bar)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo.bar)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "1*foo",
+            output: "Number(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo*1",
+            output: "Number(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "1*foo.bar",
+            output: "Number(foo.bar)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo.bar)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "\"\"+foo",
+            output: "String(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "``+foo",
+            output: "String(foo)",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo+\"\"",
+            output: "String(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo+``",
+            output: "String(foo)",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "\"\"+foo.bar",
+            output: "String(foo.bar)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo.bar)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "``+foo.bar",
+            output: "String(foo.bar)",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo.bar)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo.bar+\"\"",
+            output: "String(foo.bar)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo.bar)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo.bar+``",
+            output: "String(foo.bar)",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo.bar)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "foo += \"\"",
+            output: "foo = String(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "foo = String(foo)" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "foo += ``",
+            output: "foo = String(foo)",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "foo = String(foo)" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "var a = !!foo",
+            output: "var a = Boolean(foo)",
+            options: [{ boolean: true, allow: ["~"] }],
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Boolean(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "var a = ~foo.indexOf(1)",
+            output: null,
+            options: [{ boolean: true, allow: ["!!"] }],
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "foo.indexOf(1) !== -1" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "var a = 1 * foo",
+            output: "var a = Number(foo)",
+            options: [{ boolean: true, allow: ["+"] }],
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "var a = +foo",
+            output: "var a = Number(foo)",
+            options: [{ boolean: true, allow: ["*"] }],
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "var a = \"\" + foo",
+            output: "var a = String(foo)",
+            options: [{ boolean: true, allow: ["*"] }],
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "var a = `` + foo",
+            output: "var a = String(foo)",
+            options: [{ boolean: true, allow: ["*"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(foo)" },
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "typeof+foo",
+            output: "typeof Number(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof +foo",
+            output: "typeof Number(foo)",
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "Number(foo)" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "let x ='' + 1n;",
+            output: "let x =String(1n);",
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "useRecommendation",
+                data: { recommendation: "String(1n)" },
+                type: "BinaryExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-implicit-globals.js b/eslint/tests/lib/rules/no-implicit-globals.js
new file mode 100644
index 0000000..348ef6f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-implicit-globals.js
@@ -0,0 +1,1246 @@
+/**
+ * @fileoverview Tests for no-implicit-globals rule.
+ * @author Joshua Peek
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-implicit-globals"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const varMessage = "Unexpected 'var' declaration in the global scope, wrap in an IIFE for a local variable, assign as global property for a global variable.";
+const functionMessage = "Unexpected function declaration in the global scope, wrap in an IIFE for a local variable, assign as global property for a global variable.";
+const constMessage = "Unexpected 'const' declaration in the global scope, wrap in a block or in an IIFE.";
+const letMessage = "Unexpected 'let' declaration in the global scope, wrap in a block or in an IIFE.";
+const classMessage = "Unexpected class declaration in the global scope, wrap in a block or in an IIFE.";
+const readonlyRedeclarationMessage = "Unexpected redeclaration of read-only global variable.";
+const readonlyAssignmentMessage = "Unexpected assignment to read-only global variable.";
+const leakMessage = "Global variable leak, declare the variable if it is intended to be local.";
+
+ruleTester.run("no-implicit-globals", rule, {
+    valid: [
+
+        //------------------------------------------------------------------------------
+        // General
+        //------------------------------------------------------------------------------
+
+        // Recommended way to create a global variable in the browser
+        {
+            code: "window.foo = 1;",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function() {};",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function foo() {};",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function bar() {};",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function*() {};",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function *foo() {};",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = async function() {};",
+            parserOptions: { ecmaVersion: 2017 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = async function foo() {};",
+            parserOptions: { ecmaVersion: 2017 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = async function*() {};",
+            parserOptions: { ecmaVersion: 2018 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = async function *foo() {};",
+            parserOptions: { ecmaVersion: 2018 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = class {};",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = class foo {};",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = class bar {};",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { browser: true }
+        },
+        {
+            code: "self.foo = 1;",
+            env: { browser: true }
+        },
+        {
+            code: "self.foo = function() {};",
+            env: { browser: true }
+        },
+
+        // Another way to create a global variable. Not the best practice, but that isn't the responsibility of this rule.
+        "this.foo = 1;",
+        "this.foo = function() {};",
+        "this.foo = function bar() {};",
+
+        // Test that the rule doesn't report global comments
+        "/*global foo:readonly*/",
+        "/*global foo:writable*/",
+        "/*global Array:readonly*/",
+        "/*global Array:writable*/",
+        {
+            code: "/*global foo:readonly*/",
+            globals: { foo: "readonly" }
+        },
+        {
+            code: "/*global foo:writable*/",
+            globals: { foo: "readonly" }
+        },
+        {
+            code: "/*global foo:readonly*/",
+            globals: { foo: "writable" }
+        },
+        {
+            code: "/*global foo:writable*/",
+            globals: { foo: "writable" }
+        },
+
+        //------------------------------------------------------------------------------
+        // `var` and function declarations
+        //------------------------------------------------------------------------------
+
+        // Doesn't report function expressions
+        "typeof function() {}",
+        "typeof function foo() {}",
+        "(function() {}) + (function foo() {})",
+        {
+            code: "typeof function *foo() {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "typeof async function foo() {}",
+            parserOptions: { ecmaVersion: 2017 }
+        },
+        {
+            code: "typeof async function *foo() {}",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // Recommended way to create local variables
+        "(function() { var foo = 1; })();",
+        "(function() { function foo() {} })();",
+        {
+            code: "(function() { function *foo() {} })();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "(function() { async function foo() {} })();",
+            parserOptions: { ecmaVersion: 2017 }
+        },
+        {
+            code: "(function() { async function *foo() {} })();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "window.foo = (function() { var bar; function foo () {}; return function bar() {} })();",
+            env: { browser: true }
+        },
+
+        // Different scoping
+        {
+            code: "var foo = 1;",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "function foo() {}",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "function *foo() {}",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "var foo = 1;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "function foo() {}",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "var foo = 1;",
+            env: { node: true }
+        },
+        {
+            code: "function foo() {}",
+            env: { node: true }
+        },
+
+        //------------------------------------------------------------------------------
+        // `const`, `let` and class declarations
+        //------------------------------------------------------------------------------
+
+        // Test default option
+        {
+            code: "const foo = 1; let bar; class Baz {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "const foo = 1; let bar; class Baz {}",
+            options: [{ lexicalBindings: false }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // If the option is not set to true, even the redeclarations of read-only global variables are allowed.
+        {
+            code: "const Array = 1; let Object; class Math {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "/*global foo:readonly, bar:readonly, Baz:readonly*/ const foo = 1; let bar; class Baz {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // Doesn't report class expressions
+        {
+            code: "typeof class {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "typeof class foo {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // Recommended ways to create local variables
+        {
+            code: "{ const foo = 1; let bar; class Baz {} }",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "(function() { const foo = 1; let bar; class Baz {} })();",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "window.foo = (function() { const bar = 1; let baz; class Quux {} return function () {} })();",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // different scoping
+        {
+            code: "const foo = 1; let bar; class Baz {}",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "const foo = 1; let bar; class Baz {}",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { node: true }
+        },
+        {
+            code: "const foo = 1; let bar; class Baz {}",
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } }
+        },
+
+        // Regression tests
+        {
+            code: "const foo = 1;",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "let foo = 1;",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "let foo = function() {};",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "const foo = function() {};",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "class Foo {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "(function() { let foo = 1; })();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "(function() { const foo = 1; })();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "let foo = 1;",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "const foo = 1;",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+        {
+            code: "let foo = 1;",
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "const foo = 1;",
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } }
+        },
+
+        //------------------------------------------------------------------------------
+        // leaks
+        //------------------------------------------------------------------------------
+
+        // This rule doesn't report all undeclared variables, just leaks (assignments to an undeclared variable)
+        "foo",
+        "foo + bar",
+        "foo(bar)",
+
+        // Leaks are not possible in strict mode (explicit or implicit). Therefore, rule doesn't report assignments in strict mode.
+        "'use strict';foo = 1;",
+        "(function() {'use strict'; foo = 1; })();",
+        {
+            code: "{ class Foo { constructor() { bar = 1; } baz() { bar = 1; } } }",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "foo = 1;",
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" }
+        },
+
+        // This rule doesn't check the existence of the objects in property assignments. These are reference errors, not leaks. Note that the env is not set.
+        "Foo.bar = 1;",
+        "Utils.foo = 1;",
+        "Utils.foo = function() {};",
+        "window.foo = 1;",
+        "window.foo = function() {};",
+        "window.foo = function foo() {};",
+        "self.foo = 1;",
+        "self.foo = function() {};",
+
+        // These are also just reference errors, thus not reported as leaks
+        "++foo",
+        "foo--",
+
+        // Not a leak
+        {
+            code: "foo = 1;",
+            globals: { foo: "writable" }
+        },
+        {
+            code: "window.foo = function bar() { bar = 1; };",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function bar(baz) { baz = 1; };",
+            env: { browser: true }
+        },
+        {
+            code: "window.foo = function bar() { var baz; function quux() { quux = 1; } };",
+            env: { browser: true }
+        },
+
+        //------------------------------------------------------------------------------
+        // globals
+        //------------------------------------------------------------------------------
+
+        // Redeclarations of writable global variables are allowed
+        "/*global foo:writable*/ var foo = 1;",
+        {
+            code: "function foo() {}",
+            globals: { foo: "writable" }
+        },
+        {
+            code: "/*global foo:writable*/ function *foo() {}",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "/*global foo:writable*/ const foo = 1;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "/*global foo:writable*/ let foo;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "/*global Foo:writable*/ class Foo {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // Assignments to writable global variables are allowed
+        "/*global foo:writable*/ foo = 1;",
+        {
+            code: "foo = 1",
+            globals: { foo: "writable" }
+        },
+
+
+        // This rule doesn't disallow assignments to properties of readonly globals
+        "Array.from = 1;",
+        "Object['assign'] = 1;",
+        "/*global foo:readonly*/ foo.bar = 1;"
+    ],
+
+    invalid: [
+
+        //------------------------------------------------------------------------------
+        // `var` and function declarations
+        //------------------------------------------------------------------------------
+
+        {
+            code: "var foo = 1;",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "function foo() {}",
+            errors: [
+                {
+                    message: functionMessage,
+                    type: "FunctionDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function *foo() {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: functionMessage,
+                    type: "FunctionDeclaration"
+                }
+            ]
+        },
+        {
+            code: "async function foo() {}",
+            parserOptions: { ecmaVersion: 2017 },
+            errors: [
+                {
+                    message: functionMessage,
+                    type: "FunctionDeclaration"
+                }
+            ]
+        },
+        {
+            code: "async function *foo() {}",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    message: functionMessage,
+                    type: "FunctionDeclaration"
+                }
+            ]
+        },
+        {
+            code: "var foo = function() {};",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = function foo() {};",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = function*() {};",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = function *foo() {};",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = 1, bar = 2;",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+
+
+        //------------------------------------------------------------------------------
+        // `const`, `let` and class declarations
+        //------------------------------------------------------------------------------
+
+        // Basic tests
+        {
+            code: "const a = 1;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                message: constMessage
+            }]
+        },
+        {
+            code: "let a;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                message: letMessage
+            }]
+        },
+        {
+            code: "let a = 1;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                message: letMessage
+            }]
+        },
+        {
+            code: "class A {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                message: classMessage
+            }]
+        },
+
+        // Multiple and mixed tests
+        {
+            code: "const a = 1; const b = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: constMessage },
+                { message: constMessage }
+            ]
+        },
+        {
+            code: "const a = 1, b = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: constMessage },
+                { message: constMessage }
+            ]
+        },
+        {
+            code: "let a, b = 1;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: letMessage },
+                { message: letMessage }
+            ]
+        },
+        {
+            code: "const a = 1; let b; class C {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: constMessage },
+                { message: letMessage },
+                { message: classMessage }
+            ]
+        },
+        {
+            code: "const [a, b, ...c] = [];",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: constMessage },
+                { message: constMessage },
+                { message: constMessage }
+            ]
+        },
+        {
+            code: "let { a, foo: b, bar: { c } } = {};",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: letMessage },
+                { message: letMessage },
+                { message: letMessage }
+            ]
+        },
+
+        //------------------------------------------------------------------------------
+        // leaks
+        //------------------------------------------------------------------------------
+
+        // Basic tests
+        {
+            code: "foo = 1",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = function() {};",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = function*() {};",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "window.foo = function() { bar = 1; }",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "(function() {}(foo = 1));",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "for (foo in {});",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "for (foo of []);",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+
+        // Not implicit strict
+        {
+            code: "window.foo = { bar() { foo = 1 } }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = 1",
+            env: { node: true },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = 1;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+
+        // Multiple and mixed
+        {
+            code: "foo = 1, bar = 2;",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = bar = 1",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable*/ foo = bar = 1",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global bar:writable*/ foo = bar = 1",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = 1; var bar;",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "var foo = bar = 1;",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable*/ var foo = bar = 1;",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global bar:writable*/ var foo = bar = 1;",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "[foo, bar] = [];",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable*/ [foo, bar] = [];",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global bar:writable*/ [foo, bar] = [];",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+
+        //------------------------------------------------------------------------------
+        // globals
+        //------------------------------------------------------------------------------
+
+        // Basic assignment tests
+        {
+            code: "Array = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "window = 1;",
+            env: { browser: true },
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ foo = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "foo = 1;",
+            globals: { foo: "readonly" },
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ for (foo in {});",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "ForInStatement"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ for (foo of []);",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "ForOfStatement"
+                }
+            ]
+        },
+
+        // Basic redeclaration tests
+        {
+            code: "var Array = 1",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ var foo",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ var foo = 1",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ function foo() {}",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "FunctionDeclaration"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ const foo = 1",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ let foo",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ let foo = 1",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global Foo:readonly*/ class Foo {}",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "ClassDeclaration"
+                }
+            ]
+        },
+
+        // Multiple and mixed assignments
+        {
+            code: "/*global foo:readonly, bar: readonly*/ foo = bar = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable, bar: readonly*/ foo = bar = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: writable*/ foo = bar = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global foo: readonly*/ foo = bar = 1",
+            errors: [
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+        {
+            code: "/*global bar: readonly*/ foo = bar = 1",
+            errors: [
+                {
+                    message: leakMessage,
+                    type: "AssignmentExpression"
+                },
+                {
+                    message: readonlyAssignmentMessage,
+                    type: "AssignmentExpression"
+                }
+            ]
+        },
+
+        // Multiple and mixed redeclarations
+        {
+            code: "/*global foo:readonly, bar: readonly*/ var foo, bar;",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable, bar: readonly*/ var foo, bar;",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: writable*/ var foo, bar;",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ var foo, bar;",
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global bar: readonly*/ var foo, bar;",
+            errors: [
+                {
+                    message: varMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: readonly*/ const foo = 1, bar = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable, bar: readonly*/ const foo = 1, bar = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: writable*/ const foo = 1, bar = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ const foo = 1, bar = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: constMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global bar: readonly*/ const foo = 1, bar = 2;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: constMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: readonly*/ let foo, bar;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:writable, bar: readonly*/ let foo, bar;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly, bar: writable*/ let foo, bar;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global foo:readonly*/ let foo, bar;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: letMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        },
+        {
+            code: "/*global bar: readonly*/ let foo, bar;",
+            options: [{ lexicalBindings: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    message: letMessage,
+                    type: "VariableDeclarator"
+                },
+                {
+                    message: readonlyRedeclarationMessage,
+                    type: "VariableDeclarator"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-implied-eval.js b/eslint/tests/lib/rules/no-implied-eval.js
new file mode 100644
index 0000000..0cd1d18
--- /dev/null
+++ b/eslint/tests/lib/rules/no-implied-eval.js
@@ -0,0 +1,240 @@
+/**
+ * @fileoverview Tests for no-implied-eval rule.
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-implied-eval"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester(),
+    expectedError = { messageId: "impliedEval", type: "CallExpression" };
+
+ruleTester.run("no-implied-eval", rule, {
+    valid: [
+        "setTimeout();",
+
+        { code: "setTimeout;", env: { browser: true } },
+        { code: "setTimeout = foo;", env: { browser: true } },
+        { code: "window.setTimeout;", env: { browser: true } },
+        { code: "window.setTimeout = foo;", env: { browser: true } },
+        { code: "window['setTimeout'];", env: { browser: true } },
+        { code: "window['setTimeout'] = foo;", env: { browser: true } },
+        { code: "global.setTimeout;", env: { node: true } },
+        { code: "global.setTimeout = foo;", env: { node: true } },
+        { code: "global['setTimeout'];", env: { node: true } },
+        { code: "global['setTimeout'] = foo;", env: { node: true } },
+        { code: "globalThis['setTimeout'] = foo;", env: { es2020: true } },
+
+        "window.setTimeout('foo')",
+        "window.setInterval('foo')",
+        "window['setTimeout']('foo')",
+        "window['setInterval']('foo')",
+
+        { code: "window.setTimeout('foo')", env: { node: true } },
+        { code: "window.setInterval('foo')", env: { node: true } },
+        { code: "window['setTimeout']('foo')", env: { node: true } },
+        { code: "window['setInterval']('foo')", env: { node: true } },
+        { code: "global.setTimeout('foo')", env: { browser: true } },
+        { code: "global.setInterval('foo')", env: { browser: true } },
+        { code: "global['setTimeout']('foo')", env: { browser: true } },
+        { code: "global['setInterval']('foo')", env: { browser: true } },
+        { code: "globalThis.setTimeout('foo')", env: { es6: true } },
+        { code: "globalThis['setInterval']('foo')", env: { es2017: true } },
+
+        { code: "window[`SetTimeOut`]('foo', 100);", parserOptions: { ecmaVersion: 6 }, env: { browser: true } },
+        { code: "global[`SetTimeOut`]('foo', 100);", parserOptions: { ecmaVersion: 6 }, env: { node: true } },
+        { code: "global[`setTimeout${foo}`]('foo', 100);", parserOptions: { ecmaVersion: 6 }, env: { browser: true } },
+        { code: "global[`setTimeout${foo}`]('foo', 100);", parserOptions: { ecmaVersion: 6 }, env: { node: true } },
+        { code: "globalThis[`setTimeout${foo}`]('foo', 100);", parserOptions: { ecmaVersion: 6 }, env: { es2020: true } },
+
+        // normal usage
+        "setTimeout(function() { x = 1; }, 100);",
+        "setInterval(function() { x = 1; }, 100)",
+        "execScript(function() { x = 1; }, 100)",
+        { code: "window.setTimeout(function() { x = 1; }, 100);", env: { browser: true } },
+        { code: "window.setInterval(function() { x = 1; }, 100);", env: { browser: true } },
+        { code: "window.execScript(function() { x = 1; }, 100);", env: { browser: true } },
+        { code: "window.setTimeout(foo, 100);", env: { browser: true } },
+        { code: "window.setInterval(foo, 100);", env: { browser: true } },
+        { code: "window.execScript(foo, 100);", env: { browser: true } },
+        { code: "global.setTimeout(function() { x = 1; }, 100);", env: { node: true } },
+        { code: "global.setInterval(function() { x = 1; }, 100);", env: { node: true } },
+        { code: "global.execScript(function() { x = 1; }, 100);", env: { node: true } },
+        { code: "global.setTimeout(foo, 100);", env: { node: true } },
+        { code: "global.setInterval(foo, 100);", env: { node: true } },
+        { code: "global.execScript(foo, 100);", env: { node: true } },
+        { code: "globalThis.setTimeout(foo, 100);", env: { es2020: true } },
+
+        // only checks on top-level statements or window.*
+        "foo.setTimeout('hi')",
+
+        // identifiers are fine
+        "setTimeout(foo, 10)",
+        "setInterval(1, 10)",
+        "execScript(2)",
+
+        // as are function expressions
+        "setTimeout(function() {}, 10)",
+
+        // setInterval
+        "foo.setInterval('hi')",
+        "setInterval(foo, 10)",
+        "setInterval(function() {}, 10)",
+
+        // execScript
+        "foo.execScript('hi')",
+        "execScript(foo)",
+        "execScript(function() {})",
+
+        // a binary plus on non-strings doesn't guarantee a string
+        "setTimeout(foo + bar, 10)",
+
+        // doesn't check anything but the first argument
+        "setTimeout(foobar, 'buzz')",
+        "setTimeout(foobar, foo + 'bar')",
+
+        // only checks immediate subtrees of the argument
+        "setTimeout(function() { return 'foobar'; }, 10)",
+
+        // https://github.com/eslint/eslint/issues/7821
+        "setTimeoutFooBar('Foo Bar')",
+
+        { code: "foo.window.setTimeout('foo', 100);", env: { browser: true } },
+        { code: "foo.global.setTimeout('foo', 100);", env: { node: true } },
+        { code: "var window; window.setTimeout('foo', 100);", env: { browser: true } },
+        { code: "var global; global.setTimeout('foo', 100);", env: { node: true } },
+        { code: "function foo(window) { window.setTimeout('foo', 100); }", env: { browser: true } },
+        { code: "function foo(global) { global.setTimeout('foo', 100); }", env: { node: true } },
+        { code: "foo('', window.setTimeout);", env: { browser: true } },
+        { code: "foo('', global.setTimeout);", env: { node: true } }
+    ],
+
+    invalid: [
+        { code: "setTimeout(\"x = 1;\");", errors: [expectedError] },
+        { code: "setTimeout(\"x = 1;\", 100);", errors: [expectedError] },
+        { code: "setInterval(\"x = 1;\");", errors: [expectedError] },
+        { code: "execScript(\"x = 1;\");", errors: [expectedError] },
+
+        { code: "const s = 'x=1'; setTimeout(s, 100);", parserOptions: { ecmaVersion: 6 }, errors: [expectedError] },
+        { code: "setTimeout(String('x=1'), 100);", parserOptions: { ecmaVersion: 6 }, errors: [expectedError] },
+
+        // member expressions
+        { code: "window.setTimeout('foo')", env: { browser: true }, errors: [expectedError] },
+        { code: "window.setInterval('foo')", env: { browser: true }, errors: [expectedError] },
+        { code: "window['setTimeout']('foo')", env: { browser: true }, errors: [expectedError] },
+        { code: "window['setInterval']('foo')", env: { browser: true }, errors: [expectedError] },
+        { code: "window[`setInterval`]('foo')", parserOptions: { ecmaVersion: 6 }, env: { browser: true }, errors: [expectedError] },
+        { code: "window.window['setInterval']('foo')", env: { browser: true }, errors: [expectedError] },
+        { code: "global.setTimeout('foo')", env: { node: true }, errors: [expectedError] },
+        { code: "global.setInterval('foo')", env: { node: true }, errors: [expectedError] },
+        { code: "global['setTimeout']('foo')", env: { node: true }, errors: [expectedError] },
+        { code: "global['setInterval']('foo')", env: { node: true }, errors: [expectedError] },
+        { code: "global[`setInterval`]('foo')", parserOptions: { ecmaVersion: 6 }, env: { node: true }, errors: [expectedError] },
+        { code: "global.global['setInterval']('foo')", env: { node: true }, errors: [expectedError] },
+        { code: "globalThis.setTimeout('foo')", env: { es2020: true }, errors: [expectedError] },
+        { code: "globalThis.setInterval('foo')", env: { es2020: true }, errors: [expectedError] },
+
+        // template literals
+        { code: "setTimeout(`foo${bar}`)", parserOptions: { ecmaVersion: 6 }, errors: [expectedError] },
+        { code: "window.setTimeout(`foo${bar}`)", parserOptions: { ecmaVersion: 6 }, env: { browser: true }, errors: [expectedError] },
+        { code: "window.window.setTimeout(`foo${bar}`)", parserOptions: { ecmaVersion: 6 }, env: { browser: true }, errors: [expectedError] },
+        { code: "global.global.setTimeout(`foo${bar}`)", parserOptions: { ecmaVersion: 6 }, env: { node: true }, errors: [expectedError] },
+
+        // string concatination
+        { code: "setTimeout('foo' + bar)", errors: [expectedError] },
+        { code: "setTimeout(foo + 'bar')", errors: [expectedError] },
+        { code: "setTimeout(`foo` + bar)", parserOptions: { ecmaVersion: 6 }, errors: [expectedError] },
+        { code: "setTimeout(1 + ';' + 1)", errors: [expectedError] },
+        { code: "window.setTimeout('foo' + bar)", env: { browser: true }, errors: [expectedError] },
+        { code: "window.setTimeout(foo + 'bar')", env: { browser: true }, errors: [expectedError] },
+        { code: "window.setTimeout(`foo` + bar)", parserOptions: { ecmaVersion: 6 }, env: { browser: true }, errors: [expectedError] },
+        { code: "window.setTimeout(1 + ';' + 1)", env: { browser: true }, errors: [expectedError] },
+        { code: "window.window.setTimeout(1 + ';' + 1)", env: { browser: true }, errors: [expectedError] },
+        { code: "global.setTimeout('foo' + bar)", env: { node: true }, errors: [expectedError] },
+        { code: "global.setTimeout(foo + 'bar')", env: { node: true }, errors: [expectedError] },
+        { code: "global.setTimeout(`foo` + bar)", parserOptions: { ecmaVersion: 6 }, env: { node: true }, errors: [expectedError] },
+        { code: "global.setTimeout(1 + ';' + 1)", env: { node: true }, errors: [expectedError] },
+        { code: "global.global.setTimeout(1 + ';' + 1)", env: { node: true }, errors: [expectedError] },
+        { code: "globalThis.setTimeout('foo' + bar)", env: { es2020: true }, errors: [expectedError] },
+
+        // gives the correct node when dealing with nesting
+        {
+            code:
+                "setTimeout('foo' + (function() {\n" +
+                "   setTimeout(helper);\n" +
+                "   execScript('str');\n" +
+                "   return 'bar';\n" +
+                "})())",
+            errors: [
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 1
+                },
+
+                // no error on line 2
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 3
+                }
+            ]
+        },
+        {
+            code:
+                "window.setTimeout('foo' + (function() {\n" +
+                "   setTimeout(helper);\n" +
+                "   window.execScript('str');\n" +
+                "   return 'bar';\n" +
+                "})())",
+            env: { browser: true },
+            errors: [
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 1
+                },
+
+                // no error on line 2
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 3
+                }
+            ]
+        },
+        {
+            code:
+                "global.setTimeout('foo' + (function() {\n" +
+                "   setTimeout(helper);\n" +
+                "   global.execScript('str');\n" +
+                "   return 'bar';\n" +
+                "})())",
+            env: { node: true },
+            errors: [
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 1
+                },
+
+                // no error on line 2
+                {
+                    messageId: "impliedEval",
+                    type: "CallExpression",
+                    line: 3
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-import-assign.js b/eslint/tests/lib/rules/no-import-assign.js
new file mode 100644
index 0000000..ab65451
--- /dev/null
+++ b/eslint/tests/lib/rules/no-import-assign.js
@@ -0,0 +1,315 @@
+/**
+ * @fileoverview Tests for no-import-assign rule.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-import-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({
+    parserOptions: {
+        ecmaVersion: 2018,
+        sourceType: "module"
+    },
+    globals: {
+        Reflect: "readonly"
+    }
+});
+
+ruleTester.run("no-import-assign", rule, {
+    valid: [
+        "import mod from 'mod'; mod.prop = 0",
+        "import mod from 'mod'; mod.prop += 0",
+        "import mod from 'mod'; mod.prop++",
+        "import mod from 'mod'; delete mod.prop",
+        "import mod from 'mod'; for (mod.prop in foo);",
+        "import mod from 'mod'; for (mod.prop of foo);",
+        "import mod from 'mod'; [mod.prop] = foo;",
+        "import mod from 'mod'; [...mod.prop] = foo;",
+        "import mod from 'mod'; ({ bar: mod.prop } = foo);",
+        "import mod from 'mod'; ({ ...mod.prop } = foo);",
+        "import {named} from 'mod'; named.prop = 0",
+        "import {named} from 'mod'; named.prop += 0",
+        "import {named} from 'mod'; named.prop++",
+        "import {named} from 'mod'; delete named.prop",
+        "import {named} from 'mod'; for (named.prop in foo);",
+        "import {named} from 'mod'; for (named.prop of foo);",
+        "import {named} from 'mod'; [named.prop] = foo;",
+        "import {named} from 'mod'; [...named.prop] = foo;",
+        "import {named} from 'mod'; ({ bar: named.prop } = foo);",
+        "import {named} from 'mod'; ({ ...named.prop } = foo);",
+        "import * as mod from 'mod'; mod.named.prop = 0",
+        "import * as mod from 'mod'; mod.named.prop += 0",
+        "import * as mod from 'mod'; mod.named.prop++",
+        "import * as mod from 'mod'; delete mod.named.prop",
+        "import * as mod from 'mod'; for (mod.named.prop in foo);",
+        "import * as mod from 'mod'; for (mod.named.prop of foo);",
+        "import * as mod from 'mod'; [mod.named.prop] = foo;",
+        "import * as mod from 'mod'; [...mod.named.prop] = foo;",
+        "import * as mod from 'mod'; ({ bar: mod.named.prop } = foo);",
+        "import * as mod from 'mod'; ({ ...mod.named.prop } = foo);",
+        "import * as mod from 'mod'; obj[mod] = 0",
+        "import * as mod from 'mod'; obj[mod.named] = 0",
+        "import * as mod from 'mod'; for (var foo in mod.named);",
+        "import * as mod from 'mod'; for (var foo of mod.named);",
+        "import * as mod from 'mod'; [bar = mod.named] = foo;",
+        "import * as mod from 'mod'; ({ bar = mod.named } = foo);",
+        "import * as mod from 'mod'; ({ bar: baz = mod.named } = foo);",
+        "import * as mod from 'mod'; ({ [mod.named]: bar } = foo);",
+        "import * as mod from 'mod'; var obj = { ...mod.named };",
+        "import * as mod from 'mod'; var obj = { foo: mod.named };",
+        "import mod from 'mod'; { let mod = 0; mod = 1 }",
+        "import * as mod from 'mod'; { let mod = 0; mod = 1 }",
+        "import * as mod from 'mod'; { let mod = 0; mod.named = 1 }",
+        "import {} from 'mod'",
+        "import 'mod'",
+        "import mod from 'mod'; Object.assign(mod, obj);",
+        "import {named} from 'mod'; Object.assign(named, obj);",
+        "import * as mod from 'mod'; Object.assign(mod.prop, obj);",
+        "import * as mod from 'mod'; Object.assign(obj, mod, other);",
+        "import * as mod from 'mod'; Object[assign](mod, obj);",
+        "import * as mod from 'mod'; Object.getPrototypeOf(mod);",
+        "import * as mod from 'mod'; Reflect.set(obj, key, mod);",
+        "import * as mod from 'mod'; { var Object; Object.assign(mod, obj); }",
+        "import * as mod from 'mod'; var Object; Object.assign(mod, obj);",
+        "import * as mod from 'mod'; Object.seal(mod, obj)",
+        "import * as mod from 'mod'; Object.preventExtensions(mod)",
+        "import * as mod from 'mod'; Reflect.preventExtensions(mod)"
+    ],
+    invalid: [
+        {
+            code: "import mod1 from 'mod'; mod1 = 0",
+            errors: [{ messageId: "readonly", data: { name: "mod1" }, column: 25 }]
+        },
+        {
+            code: "import mod2 from 'mod'; mod2 += 0",
+            errors: [{ messageId: "readonly", data: { name: "mod2" }, column: 25 }]
+        },
+        {
+            code: "import mod3 from 'mod'; mod3++",
+            errors: [{ messageId: "readonly", data: { name: "mod3" }, column: 25 }]
+        },
+        {
+            code: "import mod4 from 'mod'; for (mod4 in foo);",
+            errors: [{ messageId: "readonly", data: { name: "mod4" }, column: 25 }]
+        },
+        {
+            code: "import mod5 from 'mod'; for (mod5 of foo);",
+            errors: [{ messageId: "readonly", data: { name: "mod5" }, column: 25 }]
+        },
+        {
+            code: "import mod6 from 'mod'; [mod6] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod6" }, column: 25 }]
+        },
+        {
+            code: "import mod7 from 'mod'; [mod7 = 0] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod7" }, column: 25 }]
+        },
+        {
+            code: "import mod8 from 'mod'; [...mod8] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod8" }, column: 25 }]
+        },
+        {
+            code: "import mod9 from 'mod'; ({ bar: mod9 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod9" }, column: 26 }]
+        },
+        {
+            code: "import mod10 from 'mod'; ({ bar: mod10 = 0 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod10" }, column: 27 }]
+        },
+        {
+            code: "import mod11 from 'mod'; ({ ...mod11 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod11" }, column: 27 }]
+        },
+        {
+            code: "import {named1} from 'mod'; named1 = 0",
+            errors: [{ messageId: "readonly", data: { name: "named1" }, column: 29 }]
+        },
+        {
+            code: "import {named2} from 'mod'; named2 += 0",
+            errors: [{ messageId: "readonly", data: { name: "named2" }, column: 29 }]
+        },
+        {
+            code: "import {named3} from 'mod'; named3++",
+            errors: [{ messageId: "readonly", data: { name: "named3" }, column: 29 }]
+        },
+        {
+            code: "import {named4} from 'mod'; for (named4 in foo);",
+            errors: [{ messageId: "readonly", data: { name: "named4" }, column: 29 }]
+        },
+        {
+            code: "import {named5} from 'mod'; for (named5 of foo);",
+            errors: [{ messageId: "readonly", data: { name: "named5" }, column: 29 }]
+        },
+        {
+            code: "import {named6} from 'mod'; [named6] = foo",
+            errors: [{ messageId: "readonly", data: { name: "named6" }, column: 29 }]
+        },
+        {
+            code: "import {named7} from 'mod'; [named7 = 0] = foo",
+            errors: [{ messageId: "readonly", data: { name: "named7" }, column: 29 }]
+        },
+        {
+            code: "import {named8} from 'mod'; [...named8] = foo",
+            errors: [{ messageId: "readonly", data: { name: "named8" }, column: 29 }]
+        },
+        {
+            code: "import {named9} from 'mod'; ({ bar: named9 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "named9" }, column: 30 }]
+        },
+        {
+            code: "import {named10} from 'mod'; ({ bar: named10 = 0 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "named10" }, column: 31 }]
+        },
+        {
+            code: "import {named11} from 'mod'; ({ ...named11 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "named11" }, column: 31 }]
+        },
+        {
+            code: "import {named12 as foo} from 'mod'; foo = 0; named12 = 0",
+            errors: [{ messageId: "readonly", data: { name: "foo" }, column: 37 }]
+        },
+        {
+            code: "import * as mod1 from 'mod'; mod1 = 0",
+            errors: [{ messageId: "readonly", data: { name: "mod1" }, column: 30 }]
+        },
+        {
+            code: "import * as mod2 from 'mod'; mod2 += 0",
+            errors: [{ messageId: "readonly", data: { name: "mod2" }, column: 30 }]
+        },
+        {
+            code: "import * as mod3 from 'mod'; mod3++",
+            errors: [{ messageId: "readonly", data: { name: "mod3" }, column: 30 }]
+        },
+        {
+            code: "import * as mod4 from 'mod'; for (mod4 in foo);",
+            errors: [{ messageId: "readonly", data: { name: "mod4" }, column: 30 }]
+        },
+        {
+            code: "import * as mod5 from 'mod'; for (mod5 of foo);",
+            errors: [{ messageId: "readonly", data: { name: "mod5" }, column: 30 }]
+        },
+        {
+            code: "import * as mod6 from 'mod'; [mod6] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod6" }, column: 30 }]
+        },
+        {
+            code: "import * as mod7 from 'mod'; [mod7 = 0] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod7" }, column: 30 }]
+        },
+        {
+            code: "import * as mod8 from 'mod'; [...mod8] = foo",
+            errors: [{ messageId: "readonly", data: { name: "mod8" }, column: 30 }]
+        },
+        {
+            code: "import * as mod9 from 'mod'; ({ bar: mod9 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod9" }, column: 31 }]
+        },
+        {
+            code: "import * as mod10 from 'mod'; ({ bar: mod10 = 0 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod10" }, column: 32 }]
+        },
+        {
+            code: "import * as mod11 from 'mod'; ({ ...mod11 } = foo)",
+            errors: [{ messageId: "readonly", data: { name: "mod11" }, column: 32 }]
+        },
+        {
+            code: "import * as mod1 from 'mod'; mod1.named = 0",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod1" }, column: 30 }]
+        },
+        {
+            code: "import * as mod2 from 'mod'; mod2.named += 0",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod2" }, column: 30 }]
+        },
+        {
+            code: "import * as mod3 from 'mod'; mod3.named++",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod3" }, column: 30 }]
+        },
+        {
+            code: "import * as mod4 from 'mod'; for (mod4.named in foo);",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod4" }, column: 30 }]
+        },
+        {
+            code: "import * as mod5 from 'mod'; for (mod5.named of foo);",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod5" }, column: 30 }]
+        },
+        {
+            code: "import * as mod6 from 'mod'; [mod6.named] = foo",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod6" }, column: 30 }]
+        },
+        {
+            code: "import * as mod7 from 'mod'; [mod7.named = 0] = foo",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod7" }, column: 30 }]
+        },
+        {
+            code: "import * as mod8 from 'mod'; [...mod8.named] = foo",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod8" }, column: 30 }]
+        },
+        {
+            code: "import * as mod9 from 'mod'; ({ bar: mod9.named } = foo)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod9" }, column: 31 }]
+        },
+        {
+            code: "import * as mod10 from 'mod'; ({ bar: mod10.named = 0 } = foo)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod10" }, column: 32 }]
+        },
+        {
+            code: "import * as mod11 from 'mod'; ({ ...mod11.named } = foo)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod11" }, column: 32 }]
+        },
+        {
+            code: "import * as mod12 from 'mod'; delete mod12.named",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod12" }, column: 31 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Object.assign(mod, obj)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Object.defineProperty(mod, key, d)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Object.defineProperties(mod, d)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Object.setPrototypeOf(mod, proto)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Object.freeze(mod)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Reflect.defineProperty(mod, key, d)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Reflect.deleteProperty(mod, key)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Reflect.set(mod, key, value)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import * as mod from 'mod'; Reflect.setPrototypeOf(mod, proto)",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod" }, column: 29 }]
+        },
+        {
+            code: "import mod, * as mod_ns from 'mod'; mod.prop = 0; mod_ns.prop = 0",
+            errors: [{ messageId: "readonlyMember", data: { name: "mod_ns" }, column: 51 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-inline-comments.js b/eslint/tests/lib/rules/no-inline-comments.js
new file mode 100644
index 0000000..ecb4759
--- /dev/null
+++ b/eslint/tests/lib/rules/no-inline-comments.js
@@ -0,0 +1,350 @@
+/**
+ * @fileoverview Test enforcement of no inline comments rule.
+ * @author Greg Cochard
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-inline-comments"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({
+        parserOptions: {
+            ecmaFeatures: {
+                jsx: true
+            }
+        }
+    }),
+    lineError = {
+        messageId: "unexpectedInlineComment",
+        type: "Line"
+    },
+    blockError = {
+        messageId: "unexpectedInlineComment",
+        type: "Block"
+    };
+
+ruleTester.run("no-inline-comments", rule, {
+
+    valid: [
+        "// A valid comment before code\nvar a = 1;",
+        "var a = 2;\n// A valid comment after code",
+        "// A solitary comment",
+        "var a = 1; // eslint-disable-line no-debugger",
+        "var a = 1; /* eslint-disable-line no-debugger */",
+
+        // JSX exception
+        `var a = (
+            <div>
+            {/*comment*/}
+            </div>
+        )`,
+        `var a = (
+            <div>
+            { /* comment */ }
+            <h1>Some heading</h1>
+            </div>
+        )`,
+        `var a = (
+            <div>
+            {// comment
+            }
+            </div>
+        )`,
+        `var a = (
+            <div>
+            { // comment
+            }
+            </div>
+        )`,
+        `var a = (
+            <div>
+            {/* comment 1 */
+            /* comment 2 */}
+            </div>
+        )`,
+        `var a = (
+            <div>
+            {/*
+              * comment 1
+              */
+             /*
+              * comment 2
+              */}
+            </div>
+        )`,
+        `var a = (
+            <div>
+            {/*
+               multi
+               line
+               comment
+            */}
+            </div>
+        )`
+    ],
+
+    invalid: [
+        {
+            code: "var a = 1; /*A block comment inline after code*/",
+            errors: [blockError]
+        },
+        {
+            code: "/*A block comment inline before code*/ var a = 2;",
+            errors: [blockError]
+        },
+        {
+            code: "var a = 3; //A comment inline with code",
+            errors: [lineError]
+        },
+        {
+            code: "var a = 3; // someday use eslint-disable-line here",
+            errors: [lineError]
+        },
+        {
+            code: "var a = 4;\n/**A\n * block\n * comment\n * inline\n * between\n * code*/ var foo = a;",
+            errors: [blockError]
+        },
+        {
+            code: "var a = \n{/**/}",
+            errors: [blockError]
+        },
+
+        // JSX
+        {
+            code: `var a = (
+                <div>{/* comment */}</div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>{// comment
+                }
+                </div>
+            )`,
+            errors: [lineError]
+        },
+        {
+            code: `var a = (
+                <div>{/* comment */
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>{/*
+                       * comment
+                       */
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>{/*
+                       * comment
+                       */}
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>{/*
+                       * comment
+                       */}</div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {/*
+                  * comment
+                  */}</div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                 /*
+                  * comment
+                  */}</div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                /* comment */}</div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {b/* comment */}
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {/* comment */b}
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {// comment
+                    b
+                }
+                </div>
+            )`,
+            errors: [lineError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {/* comment */
+                    b
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {/*
+                  * comment
+                  */
+                    b
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    b// comment
+                }
+                </div>
+            )`,
+            errors: [lineError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    /* comment */b
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    b/* comment */
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    b
+                /*
+                 * comment
+                 */}
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    b
+                /* comment */}
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    { /* this is an empty object literal, not braces for js code! */ }
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    {// comment
+                    }
+                }
+                </div>
+            )`,
+            errors: [lineError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    {
+                    /* comment */}
+                }
+                </div>
+            )`,
+            errors: [blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                { /* two comments on the same line... */ /* ...are not allowed, same as with a non-JSX code */}
+                </div>
+            )`,
+            errors: [blockError, blockError]
+        },
+        {
+            code: `var a = (
+                <div>
+                {
+                    /* overlapping
+                    */ /*
+                       lines */
+                }
+                </div>
+            )`,
+            errors: [blockError, blockError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-inner-declarations.js b/eslint/tests/lib/rules/no-inner-declarations.js
new file mode 100644
index 0000000..d255824
--- /dev/null
+++ b/eslint/tests/lib/rules/no-inner-declarations.js
@@ -0,0 +1,118 @@
+/**
+ * @fileoverview Tests for no-inner-declarations rule.
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-inner-declarations"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-inner-declarations", rule, {
+
+    // Examples of code that should not trigger the rule
+    valid: [
+        "function doSomething() { }",
+        "function doSomething() { function somethingElse() { } }",
+        "(function() { function doSomething() { } }());",
+        "if (test) { var fn = function() { }; }",
+        "if (test) { var fn = function expr() { }; }",
+        "function decl() { var fn = function expr() { }; }",
+        "function decl(arg) { var fn; if (arg) { fn = function() { }; } }",
+        { code: "var x = {doSomething() {function doSomethingElse() {}}}", parserOptions: { ecmaVersion: 6 } },
+        { code: "function decl(arg) { var fn; if (arg) { fn = function expr() { }; } }", parserOptions: { ecmaVersion: 6 } },
+        "function decl(arg) { var fn; if (arg) { fn = function expr() { }; } }",
+        "if (test) { var foo; }",
+        { code: "if (test) { let x = 1; }", options: ["both"], parserOptions: { ecmaVersion: 6 } },
+        { code: "if (test) { const x = 1; }", options: ["both"], parserOptions: { ecmaVersion: 6 } },
+        "function doSomething() { while (test) { var foo; } }",
+        { code: "var foo;", options: ["both"] },
+        { code: "var foo = 42;", options: ["both"] },
+        { code: "function doSomething() { var foo; }", options: ["both"] },
+        { code: "(function() { var foo; }());", options: ["both"] },
+        { code: "foo(() => { function bar() { } });", parserOptions: { ecmaVersion: 6 } },
+        { code: "var fn = () => {var foo;}", options: ["both"], parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "var x = {doSomething() {var foo;}}",
+            options: ["both"],
+            parserOptions: { ecmaVersion: 6 }
+        }
+
+    ],
+
+    // Examples of code that should trigger the rule
+    invalid: [{
+        code: "if (test) { function doSomething() { } }",
+        options: ["both"],
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "function",
+                body: "program"
+            },
+            type: "FunctionDeclaration"
+        }]
+    }, {
+        code: "function doSomething() { do { function somethingElse() { } } while (test); }",
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "function",
+                body: "function body"
+            },
+            type: "FunctionDeclaration"
+        }]
+    }, {
+        code: "(function() { if (test) { function doSomething() { } } }());",
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "function",
+                body: "function body"
+            },
+            type: "FunctionDeclaration"
+        }]
+    }, {
+        code: "while (test) { var foo; }",
+        options: ["both"],
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "variable",
+                body: "program"
+            },
+            type: "VariableDeclaration"
+        }]
+    }, {
+        code: "function doSomething() { if (test) { var foo = 42; } }",
+        options: ["both"],
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "variable",
+                body: "function body"
+            },
+            type: "VariableDeclaration"
+        }]
+    }, {
+        code: "(function() { if (test) { var foo; } }());",
+        options: ["both"],
+        errors: [{
+            messageId: "moveDeclToRoot",
+            data: {
+                type: "variable",
+                body: "function body"
+            },
+            type: "VariableDeclaration"
+        }]
+    }]
+});
diff --git a/eslint/tests/lib/rules/no-invalid-regexp.js b/eslint/tests/lib/rules/no-invalid-regexp.js
new file mode 100644
index 0000000..ba1827a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-invalid-regexp.js
@@ -0,0 +1,82 @@
+/**
+ * @fileoverview Validate strings passed to the RegExp constructor
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-invalid-regexp"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-invalid-regexp", rule, {
+    valid: [
+        "RegExp('')",
+        "RegExp()",
+        "RegExp('.', 'g')",
+        "new RegExp('.')",
+        "new RegExp",
+        "new RegExp('.', 'im')",
+        "global.RegExp('\\\\')",
+        "new RegExp('.', y)",
+        { code: "new RegExp('.', 'y')", options: [{ allowConstructorFlags: ["y"] }] },
+        { code: "new RegExp('.', 'u')", options: [{ allowConstructorFlags: ["U"] }] },
+        { code: "new RegExp('.', 'yu')", options: [{ allowConstructorFlags: ["y", "u"] }] },
+        { code: "new RegExp('/', 'yu')", options: [{ allowConstructorFlags: ["y", "u"] }] },
+        { code: "new RegExp('\\/', 'yu')", options: [{ allowConstructorFlags: ["y", "u"] }] },
+        { code: "new RegExp('.', 'y')", parserOptions: { ecmaVersion: 6 } },
+        { code: "new RegExp('.', 'u')", parserOptions: { ecmaVersion: 6 } },
+        { code: "new RegExp('.', 'yu')", parserOptions: { ecmaVersion: 6 } },
+        { code: "new RegExp('/', 'yu')", parserOptions: { ecmaVersion: 6 } },
+        { code: "new RegExp('\\/', 'yu')", parserOptions: { ecmaVersion: 6 } },
+        { code: "new RegExp('\\\\u{65}', 'u')", parserOptions: { ecmaVersion: 2015 } },
+        { code: "new RegExp('[\\\\u{0}-\\\\u{1F}]', 'u')", parserOptions: { ecmaVersion: 2015 } },
+        { code: "new RegExp('.', 's')", parserOptions: { ecmaVersion: 2018 } },
+        { code: "new RegExp('(?<=a)b')", parserOptions: { ecmaVersion: 2018 } },
+        { code: "new RegExp('(?<!a)b')", parserOptions: { ecmaVersion: 2018 } },
+        { code: "new RegExp('(?<a>b)\\k<a>')", parserOptions: { ecmaVersion: 2018 } },
+        { code: "new RegExp('(?<a>b)\\k<a>', 'u')", parserOptions: { ecmaVersion: 2018 } },
+        { code: "new RegExp('\\\\p{Letter}', 'u')", parserOptions: { ecmaVersion: 2018 } }
+    ],
+    invalid: [
+        {
+            code: "RegExp('[');",
+            errors: [{
+                messageId: "regexMessage",
+                data: { message: "Invalid regular expression: /[/: Unterminated character class" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "RegExp('.', 'z');",
+            errors: [{
+                messageId: "regexMessage",
+                data: { message: "Invalid flags supplied to RegExp constructor 'z'" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "new RegExp(')');",
+            errors: [{
+                messageId: "regexMessage",
+                data: { message: "Invalid regular expression: /)/: Unmatched ')'" },
+                type: "NewExpression"
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/10861
+        {
+            code: String.raw`new RegExp('\\');`,
+            errors: [{
+                messageId: "regexMessage",
+                data: { message: "Invalid regular expression: /\\/: \\ at end of pattern" },
+                type: "NewExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-invalid-this.js b/eslint/tests/lib/rules/no-invalid-this.js
new file mode 100644
index 0000000..3662a83
--- /dev/null
+++ b/eslint/tests/lib/rules/no-invalid-this.js
@@ -0,0 +1,682 @@
+/**
+ * @fileoverview Tests for no-invalid-this rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = require("lodash");
+const rule = require("../../../lib/rules/no-invalid-this");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * A constant value for non strict mode environment.
+ * @returns {void}
+ */
+function NORMAL() {
+
+    // do nothing.
+}
+
+/**
+ * A constant value for strict mode environment.
+ * This modifies pattern object to make strict mode.
+ * @param {Object} pattern A pattern object to modify.
+ * @returns {void}
+ */
+function USE_STRICT(pattern) {
+    pattern.code = `"use strict"; ${pattern.code}`;
+}
+
+/**
+ * A constant value for implied strict mode.
+ * This modifies pattern object to impose strict mode.
+ * @param {Object} pattern A pattern object to modify.
+ * @returns {void}
+ */
+function IMPLIED_STRICT(pattern) {
+    pattern.code = `/* implied strict mode */ ${pattern.code}`;
+    pattern.parserOptions.ecmaFeatures = pattern.parserOptions.ecmaFeatures || {};
+    pattern.parserOptions.ecmaFeatures.impliedStrict = true;
+}
+
+/**
+ * A constant value for modules environment.
+ * This modifies pattern object to make modules.
+ * @param {Object} pattern A pattern object to modify.
+ * @returns {void}
+ */
+function MODULES(pattern) {
+    pattern.code = `/* modules */ ${pattern.code}`;
+    pattern.parserOptions.sourceType = "module";
+}
+
+/**
+ * Extracts patterns each condition for a specified type. The type is `valid` or `invalid`.
+ * @param {Object[]} patterns Original patterns.
+ * @param {string} type One of `"valid"` or `"invalid"`.
+ * @returns {Object[]} Test patterns.
+ */
+function extractPatterns(patterns, type) {
+
+    // Clone and apply the pattern environment.
+    const patternsList = patterns.map(pattern => pattern[type].map(applyCondition => {
+        const thisPattern = lodash.cloneDeep(pattern);
+
+        applyCondition(thisPattern);
+
+        if (type === "valid") {
+            thisPattern.errors = [];
+        } else {
+            thisPattern.code += " /* should error */";
+        }
+
+        return lodash.omit(thisPattern, ["valid", "invalid"]);
+    }));
+
+    // Flatten.
+    return [].concat(...patternsList);
+}
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errors = [
+    { messageId: "unexpectedThis", type: "ThisExpression" },
+    { messageId: "unexpectedThis", type: "ThisExpression" }
+];
+
+const patterns = [
+
+    // Global.
+    {
+        code: "console.log(this); z(x => console.log(x, this));",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "console.log(this); z(x => console.log(x, this));",
+        parserOptions: {
+            ecmaVersion: 6,
+            ecmaFeatures: { globalReturn: true }
+        },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // IIFE.
+    {
+        code: "(function() { console.log(this); z(x => console.log(x, this)); })();",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // Just functions.
+    {
+        code: "function foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "function foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }], // test that the option doesn't reverse the logic and mistakenly allows lowercase functions
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "function Foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "function foo() { \"use strict\"; console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [],
+        invalid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "function Foo() { \"use strict\"; console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [],
+        invalid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "return function() { console.log(this); z(x => console.log(x, this)); };",
+        parserOptions: {
+            ecmaVersion: 6,
+            ecmaFeatures: { globalReturn: true }
+        },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT] // modules cannot return on global.
+    },
+    {
+        code: "var foo = (function() { console.log(this); z(x => console.log(x, this)); }).bar(obj);",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // Functions in methods.
+    {
+        code: "var obj = {foo: function() { function foo() { console.log(this); z(x => console.log(x, this)); } foo(); }};",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "var obj = {foo() { function foo() { console.log(this); z(x => console.log(x, this)); } foo(); }};",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "var obj = {foo: function() { return function() { console.log(this); z(x => console.log(x, this)); }; }};",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "var obj = {foo: function() { \"use strict\"; return function() { console.log(this); z(x => console.log(x, this)); }; }};",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [],
+        invalid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "obj.foo = function() { return function() { console.log(this); z(x => console.log(x, this)); }; };",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "obj.foo = function() { \"use strict\"; return function() { console.log(this); z(x => console.log(x, this)); }; };",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [],
+        invalid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "class A { foo() { return function() { console.log(this); z(x => console.log(x, this)); }; } }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [],
+        invalid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // Class Static methods.
+    {
+        code: "class A {static foo() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // Constructors.
+    {
+        code: "function Foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "function Foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{}], // test the default value in schema
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "function Foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: true }], // test explicitly set option to the default value
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var Foo = function Foo() { console.log(this); z(x => console.log(x, this)); };",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "class A {constructor() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // On a property.
+    {
+        code: "var obj = {foo: function() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var obj = {foo() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var obj = {foo: foo || function() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var obj = {foo: hasNative ? foo : function() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var obj = {foo: (function() { return function() { console.log(this); z(x => console.log(x, this)); }; })()};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "Object.defineProperty(obj, \"foo\", {value: function() { console.log(this); z(x => console.log(x, this)); }})",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "Object.defineProperties(obj, {foo: {value: function() { console.log(this); z(x => console.log(x, this)); }}})",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // Assigns to a property.
+    {
+        code: "obj.foo = function() { console.log(this); z(x => console.log(x, this)); };",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "obj.foo = foo || function() { console.log(this); z(x => console.log(x, this)); };",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "obj.foo = foo ? bar : function() { console.log(this); z(x => console.log(x, this)); };",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "obj.foo = (function() { return function() { console.log(this); z(x => console.log(x, this)); }; })();",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "obj.foo = (() => function() { console.log(this); z(x => console.log(x, this)); })();",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "obj.foo = (function() { return () => { console.log(this); z(x => console.log(x, this)); }; })();",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES],
+        errors
+    },
+    {
+        code: "obj.foo = (() => () => { console.log(this); z(x => console.log(x, this)); })();",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES],
+        errors
+    },
+
+    // Class Instance Methods.
+    {
+        code: "class A {foo() { console.log(this); z(x => console.log(x, this)); }};",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // Bind/Call/Apply
+    {
+        code: "var foo = function() { console.log(this); z(x => console.log(x, this)); }.bind(obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var foo = function() { console.log(this); z(x => console.log(x, this)); }.bind(null);",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "(function() { console.log(this); z(x => console.log(x, this)); }).call(obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "(function() { console.log(this); z(x => console.log(x, this)); }).call(undefined);",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "(function() { console.log(this); z(x => console.log(x, this)); }).apply(obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "(function() { console.log(this); z(x => console.log(x, this)); }).apply(void 0);",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "Reflect.apply(function() { console.log(this); z(x => console.log(x, this)); }, obj, []);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // Array methods.
+    {
+        code: "Array.from([], function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.every(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.filter(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.find(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.findIndex(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.forEach(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.map(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo.some(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "Array.from([], function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.every(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.filter(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.find(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.findIndex(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.forEach(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.map(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.some(function() { console.log(this); z(x => console.log(x, this)); }, obj);",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "foo.forEach(function() { console.log(this); z(x => console.log(x, this)); }, null);",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // @this tag.
+    {
+        code: "/** @this Obj */ function foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "/**\n * @returns {void}\n * @this Obj\n */\nfunction foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "/** @returns {void} */ function foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "/** @this Obj */ foo(function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "foo(/* @this Obj */ function() { console.log(this); z(x => console.log(x, this)); });",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // https://github.com/eslint/eslint/issues/3254
+    {
+        code: "function foo() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+
+    // https://github.com/eslint/eslint/issues/3287
+    {
+        code: "function foo() { /** @this Obj*/ return function bar() { console.log(this); z(x => console.log(x, this)); }; }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+
+    // https://github.com/eslint/eslint/issues/6824
+    {
+        code: "var Ctor = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "var Ctor = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "var func = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "var func = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "Ctor = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "Ctor = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "func = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "func = function() { console.log(this); z(x => console.log(x, this)); }",
+        parserOptions: { ecmaVersion: 6 },
+        options: [{ capIsConstructor: false }],
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "function foo(Ctor = function() { console.log(this); z(x => console.log(x, this)); }) {}",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "function foo(func = function() { console.log(this); z(x => console.log(x, this)); }) {}",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    },
+    {
+        code: "[obj.method = function() { console.log(this); z(x => console.log(x, this)); }] = a",
+        parserOptions: { ecmaVersion: 6 },
+        valid: [NORMAL, USE_STRICT, IMPLIED_STRICT, MODULES],
+        invalid: []
+    },
+    {
+        code: "[func = function() { console.log(this); z(x => console.log(x, this)); }] = a",
+        parserOptions: { ecmaVersion: 6 },
+        errors,
+        valid: [NORMAL],
+        invalid: [USE_STRICT, IMPLIED_STRICT, MODULES]
+    }
+];
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-invalid-this", rule, {
+    valid: extractPatterns(patterns, "valid"),
+    invalid: extractPatterns(patterns, "invalid")
+});
diff --git a/eslint/tests/lib/rules/no-irregular-whitespace.js b/eslint/tests/lib/rules/no-irregular-whitespace.js
new file mode 100644
index 0000000..7852d5e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-irregular-whitespace.js
@@ -0,0 +1,545 @@
+/**
+ * @fileoverview Tests for no-irregular-whitespace rule.
+ * @author Jonathan Kingston
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-irregular-whitespace"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const expectedErrors = [{
+    messageId: "noIrregularWhitespace",
+    type: "Program"
+}];
+const expectedCommentErrors = [{
+    messageId: "noIrregularWhitespace",
+    type: "Program",
+    line: 1,
+    column: 4
+}];
+
+ruleTester.run("no-irregular-whitespace", rule, {
+    valid: [
+        "'\\u000B';",
+        "'\\u000C';",
+        "'\\u0085';",
+        "'\\u00A0';",
+        "'\\u180E';",
+        "'\\ufeff';",
+        "'\\u2000';",
+        "'\\u2001';",
+        "'\\u2002';",
+        "'\\u2003';",
+        "'\\u2004';",
+        "'\\u2005';",
+        "'\\u2006';",
+        "'\\u2007';",
+        "'\\u2008';",
+        "'\\u2009';",
+        "'\\u200A';",
+        "'\\u200B';",
+        "'\\u2028';",
+        "'\\u2029';",
+        "'\\u202F';",
+        "'\\u205f';",
+        "'\\u3000';",
+        "'\u000B';",
+        "'\u000C';",
+        "'\u0085';",
+        "'\u00A0';",
+        "'\u180E';",
+        "'\ufeff';",
+        "'\u2000';",
+        "'\u2001';",
+        "'\u2002';",
+        "'\u2003';",
+        "'\u2004';",
+        "'\u2005';",
+        "'\u2006';",
+        "'\u2007';",
+        "'\u2008';",
+        "'\u2009';",
+        "'\u200A';",
+        "'\u200B';",
+        "'\\\u2028';", // multiline string
+        "'\\\u2029';", // multiline string
+        "'\u202F';",
+        "'\u205f';",
+        "'\u3000';",
+        { code: "// \u000B", options: [{ skipComments: true }] },
+        { code: "// \u000C", options: [{ skipComments: true }] },
+        { code: "// \u0085", options: [{ skipComments: true }] },
+        { code: "// \u00A0", options: [{ skipComments: true }] },
+        { code: "// \u180E", options: [{ skipComments: true }] },
+        { code: "// \ufeff", options: [{ skipComments: true }] },
+        { code: "// \u2000", options: [{ skipComments: true }] },
+        { code: "// \u2001", options: [{ skipComments: true }] },
+        { code: "// \u2002", options: [{ skipComments: true }] },
+        { code: "// \u2003", options: [{ skipComments: true }] },
+        { code: "// \u2004", options: [{ skipComments: true }] },
+        { code: "// \u2005", options: [{ skipComments: true }] },
+        { code: "// \u2006", options: [{ skipComments: true }] },
+        { code: "// \u2007", options: [{ skipComments: true }] },
+        { code: "// \u2008", options: [{ skipComments: true }] },
+        { code: "// \u2009", options: [{ skipComments: true }] },
+        { code: "// \u200A", options: [{ skipComments: true }] },
+        { code: "// \u200B", options: [{ skipComments: true }] },
+        { code: "// \u202F", options: [{ skipComments: true }] },
+        { code: "// \u205f", options: [{ skipComments: true }] },
+        { code: "// \u3000", options: [{ skipComments: true }] },
+        { code: "/* \u000B */", options: [{ skipComments: true }] },
+        { code: "/* \u000C */", options: [{ skipComments: true }] },
+        { code: "/* \u0085 */", options: [{ skipComments: true }] },
+        { code: "/* \u00A0 */", options: [{ skipComments: true }] },
+        { code: "/* \u180E */", options: [{ skipComments: true }] },
+        { code: "/* \ufeff */", options: [{ skipComments: true }] },
+        { code: "/* \u2000 */", options: [{ skipComments: true }] },
+        { code: "/* \u2001 */", options: [{ skipComments: true }] },
+        { code: "/* \u2002 */", options: [{ skipComments: true }] },
+        { code: "/* \u2003 */", options: [{ skipComments: true }] },
+        { code: "/* \u2004 */", options: [{ skipComments: true }] },
+        { code: "/* \u2005 */", options: [{ skipComments: true }] },
+        { code: "/* \u2006 */", options: [{ skipComments: true }] },
+        { code: "/* \u2007 */", options: [{ skipComments: true }] },
+        { code: "/* \u2008 */", options: [{ skipComments: true }] },
+        { code: "/* \u2009 */", options: [{ skipComments: true }] },
+        { code: "/* \u200A */", options: [{ skipComments: true }] },
+        { code: "/* \u200B */", options: [{ skipComments: true }] },
+        { code: "/* \u2028 */", options: [{ skipComments: true }] },
+        { code: "/* \u2029 */", options: [{ skipComments: true }] },
+        { code: "/* \u202F */", options: [{ skipComments: true }] },
+        { code: "/* \u205f */", options: [{ skipComments: true }] },
+        { code: "/* \u3000 */", options: [{ skipComments: true }] },
+        { code: "/\u000B/", options: [{ skipRegExps: true }] },
+        { code: "/\u000C/", options: [{ skipRegExps: true }] },
+        { code: "/\u0085/", options: [{ skipRegExps: true }] },
+        { code: "/\u00A0/", options: [{ skipRegExps: true }] },
+        { code: "/\u180E/", options: [{ skipRegExps: true }] },
+        { code: "/\ufeff/", options: [{ skipRegExps: true }] },
+        { code: "/\u2000/", options: [{ skipRegExps: true }] },
+        { code: "/\u2001/", options: [{ skipRegExps: true }] },
+        { code: "/\u2002/", options: [{ skipRegExps: true }] },
+        { code: "/\u2003/", options: [{ skipRegExps: true }] },
+        { code: "/\u2004/", options: [{ skipRegExps: true }] },
+        { code: "/\u2005/", options: [{ skipRegExps: true }] },
+        { code: "/\u2006/", options: [{ skipRegExps: true }] },
+        { code: "/\u2007/", options: [{ skipRegExps: true }] },
+        { code: "/\u2008/", options: [{ skipRegExps: true }] },
+        { code: "/\u2009/", options: [{ skipRegExps: true }] },
+        { code: "/\u200A/", options: [{ skipRegExps: true }] },
+        { code: "/\u200B/", options: [{ skipRegExps: true }] },
+        { code: "/\u202F/", options: [{ skipRegExps: true }] },
+        { code: "/\u205f/", options: [{ skipRegExps: true }] },
+        { code: "/\u3000/", options: [{ skipRegExps: true }] },
+        { code: "`\u000B`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u000C`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u0085`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u00A0`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u180E`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\ufeff`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2000`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2001`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2002`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2003`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2004`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2005`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2006`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2007`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2008`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u2009`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u200A`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u200B`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u202F`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u205f`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "`\u3000`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
+
+        // Unicode BOM.
+        "\uFEFFconsole.log('hello BOM');"
+    ],
+
+    invalid: [
+        {
+            code: "var any \u000B = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u000C = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u00A0 = 'thing';",
+            errors: expectedErrors
+        },
+
+        /*
+         * it was moved out of General_Category=Zs (separator, space) in Unicode 6.3.0, so should not be considered a whitespace character.
+         * https://codeblog.jonskeet.uk/2014/12/01/when-is-an-identifier-not-an-identifier-attack-of-the-mongolian-vowel-separator/
+         * {
+         *     code: "var any \u180E = 'thing';",
+         *     errors: expectedErrors
+         * },
+         */
+        {
+            code: "var any \ufeff = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2000 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2001 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2002 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2003 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2004 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2005 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2006 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2007 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2008 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2009 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u200A = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2028 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u2029 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u202F = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u205f = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var any \u3000 = 'thing';",
+            errors: expectedErrors
+        },
+        {
+            code: "var a = 'b',\u2028c = 'd',\ne = 'f'\u2028",
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 13
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 3,
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "var any \u3000 = 'thing', other \u3000 = 'thing';\nvar third \u3000 = 'thing';",
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 9
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 28
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "// \u000B",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u000C",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u0085",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u00A0",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u180E",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \ufeff",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2000",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2001",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2002",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2003",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2004",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2005",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2006",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2007",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2008",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u2009",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u200A",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u200B",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u202F",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u205f",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "// \u3000",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u000B */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u000C */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u0085 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u00A0 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u180E */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \ufeff */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2000 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2001 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2002 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2003 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2004 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2005 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2006 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2007 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2008 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2009 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u200A */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u200B */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2028 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u2029 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u202F */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u205f */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "/* \u3000 */",
+            errors: expectedCommentErrors
+        },
+        {
+            code: "var any = /\u3000/, other = /\u000B/;",
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "var any = '\u3000', other = '\u000B';",
+            options: [{ skipStrings: false }],
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "var any = `\u3000`, other = `\u000B`;",
+            options: [{ skipTemplates: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "`something ${\u3000 10} another thing`",
+            options: [{ skipTemplates: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "noIrregularWhitespace",
+                    type: "Program",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-iterator.js b/eslint/tests/lib/rules/no-iterator.js
new file mode 100644
index 0000000..04aa795
--- /dev/null
+++ b/eslint/tests/lib/rules/no-iterator.js
@@ -0,0 +1,67 @@
+/**
+ * @fileoverview Tests for no-iterator rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-iterator"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-iterator", rule, {
+    valid: [
+        "var a = test[__iterator__];",
+        "var __iterator__ = null;",
+        { code: "foo[`__iterator`] = null;", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo[`__iterator__\n`] = null;", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "var a = test.__iterator__;",
+            errors: [{
+                messageId: "noIterator",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "Foo.prototype.__iterator__ = function() {};",
+            errors: [{
+                messageId: "noIterator",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "var a = test['__iterator__'];",
+            errors: [{
+                messageId: "noIterator",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "var a = test[`__iterator__`];",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noIterator",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "test[`__iterator__`] = function () {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noIterator",
+                type: "MemberExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-label-var.js b/eslint/tests/lib/rules/no-label-var.js
new file mode 100644
index 0000000..297fe55
--- /dev/null
+++ b/eslint/tests/lib/rules/no-label-var.js
@@ -0,0 +1,49 @@
+/**
+ * @fileoverview Tests for no-label-var rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-label-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-label-var", rule, {
+    valid: [
+        "function bar() { q: for(;;) { break q; } } function foo () { var q = t; }",
+        "function bar() { var x = foo; q: for(;;) { break q; } }"
+    ],
+    invalid: [
+        {
+            code: "var x = foo; function bar() { x: for(;;) { break x; } }",
+            errors: [{
+                messageId: "identifierClashWithLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "function bar() { var x = foo; x: for(;;) { break x; } }",
+            errors: [{
+                messageId: "identifierClashWithLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "function bar(x) { x: for(;;) { break x; } }",
+            errors: [{
+                messageId: "identifierClashWithLabel",
+                type: "LabeledStatement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-labels.js b/eslint/tests/lib/rules/no-labels.js
new file mode 100644
index 0000000..bdf8a19
--- /dev/null
+++ b/eslint/tests/lib/rules/no-labels.js
@@ -0,0 +1,303 @@
+/**
+ * @fileoverview Disallow Labeled Statements
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-labels"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-labels", rule, {
+
+    valid: [
+        "var f = { label: foo ()}",
+        "while (true) {}",
+        "while (true) { break; }",
+        "while (true) { continue; }",
+
+        // {allowLoop: true} option.
+        { code: "A: while (a) { break A; }", options: [{ allowLoop: true }] },
+        { code: "A: do { if (b) { break A; } } while (a);", options: [{ allowLoop: true }] },
+        { code: "A: for (var a in obj) { for (;;) { switch (a) { case 0: continue A; } } }", options: [{ allowLoop: true }] },
+
+        // {allowSwitch: true} option.
+        { code: "A: switch (a) { case 0: break A; }", options: [{ allowSwitch: true }] }
+    ],
+
+    invalid: [
+        {
+            code: "label: while(true) {}",
+            errors: [{
+                messageId: "unexpectedLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "label: while (true) { break label; }",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "label: while (true) { continue label; }",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInContinue",
+                    type: "ContinueStatement"
+                }
+            ]
+        },
+
+        {
+            code: "A: var foo = 0;",
+            errors: [{
+                messageId: "unexpectedLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "A: break A;",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: { if (foo()) { break A; } bar(); };",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: if (a) { if (foo()) { break A; } bar(); };",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: switch (a) { case 0: break A; default: break; };",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: switch (a) { case 0: B: { break A; } default: break; };",
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+
+        // {allowLoop: true} option.
+        {
+            code: "A: var foo = 0;",
+            options: [{ allowLoop: true }],
+            errors: [{
+                messageId: "unexpectedLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "A: break A;",
+            options: [{ allowLoop: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: { if (foo()) { break A; } bar(); };",
+            options: [{ allowLoop: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: if (a) { if (foo()) { break A; } bar(); };",
+            options: [{ allowLoop: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: switch (a) { case 0: break A; default: break; };",
+            options: [{ allowLoop: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                },
+                {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+
+        // {allowSwitch: true} option.
+        {
+            code: "A: var foo = 0;",
+            options: [{ allowSwitch: true }],
+            errors: [{
+                messageId: "unexpectedLabel",
+                type: "LabeledStatement"
+            }]
+        },
+        {
+            code: "A: break A;",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: { if (foo()) { break A; } bar(); };",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: if (a) { if (foo()) { break A; } bar(); };",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: while (a) { break A; }",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: do { if (b) { break A; } } while (a);",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        },
+        {
+            code: "A: for (var a in obj) { for (;;) { switch (a) { case 0: break A; } } }",
+            options: [{ allowSwitch: true }],
+            errors: [
+                {
+                    messageId: "unexpectedLabel",
+                    type: "LabeledStatement"
+                }, {
+                    messageId: "unexpectedLabelInBreak",
+                    type: "BreakStatement"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-lone-blocks.js b/eslint/tests/lib/rules/no-lone-blocks.js
new file mode 100644
index 0000000..6fa29d2
--- /dev/null
+++ b/eslint/tests/lib/rules/no-lone-blocks.js
@@ -0,0 +1,240 @@
+/**
+ * @fileoverview Tests for no-lone-blocks rule.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-lone-blocks"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-lone-blocks", rule, {
+    valid: [
+        "if (foo) { if (bar) { baz(); } }",
+        "do { bar(); } while (foo)",
+        "function foo() { while (bar) { baz() } }",
+
+        // Block-level bindings
+        { code: "{ let x = 1; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const x = 1; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "'use strict'; { function bar() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ function bar() {} }", parserOptions: { ecmaVersion: 6, ecmaFeatures: { impliedStrict: true } } },
+        { code: "{ class Bar {} }", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "{ {let y = 1;} let x = 1; }", parserOptions: { ecmaVersion: 6 } },
+        `
+          switch (foo) {
+            case bar: {
+              baz;
+            }
+          }
+        `,
+        `
+          switch (foo) {
+            case bar: {
+              baz;
+            }
+            case qux: {
+              boop;
+            }
+          }
+        `,
+        `
+          switch (foo) {
+            case bar:
+            {
+              baz;
+            }
+          }
+        `,
+        { code: "function foo() { { const x = 4 } const x = 3 }", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "{}",
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "{var x = 1;}",
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "foo(); {} bar();",
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "if (foo) { bar(); {} baz(); }",
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "{ \n{ } }",
+            errors: [
+                {
+                    messageId: "redundantBlock",
+                    type: "BlockStatement",
+                    line: 1
+                },
+                {
+                    messageId: "redundantNestedBlock",
+                    type: "BlockStatement",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "function foo() { bar(); {} baz(); }",
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "while (foo) { {} }",
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement"
+            }]
+        },
+
+        // Non-block-level bindings, even in ES6
+        {
+            code: "{ function bar() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement"
+            }]
+        },
+        {
+            code: "{var x = 1;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement"
+            }]
+        },
+
+        {
+            code: "{ \n{var x = 1;}\n let y = 2; } {let z = 1;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement",
+                line: 2
+            }]
+        },
+        {
+            code: "{ \n{let x = 1;}\n var y = 2; } {let z = 1;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement",
+                line: 1
+            }]
+        },
+        {
+            code: "{ \n{var x = 1;}\n var y = 2; }\n {var z = 1;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "redundantBlock",
+                    type: "BlockStatement",
+                    line: 1
+                },
+                {
+                    messageId: "redundantNestedBlock",
+                    type: "BlockStatement",
+                    line: 2
+                },
+                {
+                    messageId: "redundantBlock",
+                    type: "BlockStatement",
+                    line: 4
+                }
+            ]
+        },
+        {
+            code: `
+              switch (foo) {
+                case 1:
+                    foo();
+                    {
+                        bar;
+                    }
+              }
+            `,
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement",
+                line: 5
+            }]
+        },
+        {
+            code: `
+              switch (foo) {
+                case 1:
+                {
+                    bar;
+                }
+                foo();
+              }
+            `,
+            errors: [{
+                messageId: "redundantBlock",
+                type: "BlockStatement",
+                line: 4
+            }]
+        },
+        {
+            code: `
+              function foo () {
+                {
+                  const x = 4;
+                }
+              }
+            `,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement",
+                line: 3
+            }]
+        },
+        {
+            code: `
+              function foo () {
+                {
+                  var x = 4;
+                }
+              }
+            `,
+            errors: [{
+                messageId: "redundantNestedBlock",
+                type: "BlockStatement",
+                line: 3
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-lonely-if.js b/eslint/tests/lib/rules/no-lonely-if.js
new file mode 100644
index 0000000..9a35184
--- /dev/null
+++ b/eslint/tests/lib/rules/no-lonely-if.js
@@ -0,0 +1,209 @@
+/**
+ * @fileoverview Tests for no-lonely-if rule.
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-lonely-if"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const errors = [{ messageId: "unexpectedLonelyIf", type: "IfStatement" }];
+
+ruleTester.run("no-lonely-if", rule, {
+
+    // Examples of code that should not trigger the rule
+    valid: [
+        "if (a) {;} else if (b) {;}",
+        "if (a) {;} else { if (b) {;} ; }"
+    ],
+
+    // Examples of code that should trigger the rule
+    invalid: [
+        {
+            code: "if (a) {;} else { if (b) {;} }",
+            output: "if (a) {;} else if (b) {;}",
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  if (b) {\n" +
+            "    bar();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else if (b) {\n" +
+            "    bar();\n" +
+            "  }",
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else /* comment */ {\n" +
+            "  if (b) {\n" +
+            "    bar();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else /* comment */ if (b) {\n" +
+            "    bar();\n" +
+            "  }",
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  /* otherwise, do the other thing */ if (b) {\n" +
+            "    bar();\n" +
+            "  }\n" +
+            "}",
+            output: null,
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  if /* this comment is ok */ (b) {\n" +
+            "    bar();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else if /* this comment is ok */ (b) {\n" +
+            "    bar();\n" +
+            "  }",
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  if (b) {\n" +
+            "    bar();\n" +
+            "  } /* this comment will prevent this test case from being autofixed. */\n" +
+            "}",
+            output: null,
+            errors
+        },
+        {
+            code: "if (foo) {} else { if (bar) baz(); }",
+            output: "if (foo) {} else if (bar) baz();",
+            errors
+        },
+        {
+
+            // Not fixed; removing the braces would cause a SyntaxError.
+            code: "if (foo) {} else { if (bar) baz() } qux();",
+            output: null,
+            errors
+        },
+        {
+
+            // This is fixed because there is a semicolon after baz().
+            code: "if (foo) {} else { if (bar) baz(); } qux();",
+            output: "if (foo) {} else if (bar) baz(); qux();",
+            errors
+        },
+        {
+
+            // Not fixed; removing the braces would change the semantics due to ASI.
+            code:
+            "if (foo) {\n" +
+            "} else {\n" +
+            "  if (bar) baz()\n" +
+            "}\n" +
+            "[1, 2, 3].forEach(foo);",
+            output: null,
+            errors
+        },
+        {
+
+            // Not fixed; removing the braces would change the semantics due to ASI.
+            code:
+            "if (foo) {\n" +
+            "} else {\n" +
+            "  if (bar) baz++\n" +
+            "}\n" +
+            "foo;",
+            output: null,
+            errors
+        },
+        {
+
+            // This is fixed because there is a semicolon after baz++
+            code:
+            "if (foo) {\n" +
+            "} else {\n" +
+            "  if (bar) baz++;\n" +
+            "}\n" +
+            "foo;",
+            output:
+            "if (foo) {\n" +
+            "} else if (bar) baz++;\n" +
+            "foo;",
+            errors
+        },
+        {
+
+            // Not fixed; bar() would be interpreted as a template literal tag
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  if (b) bar()\n" +
+            "}\n" +
+            "`template literal`;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors
+        },
+        {
+            code:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else {\n" +
+            "  if (b) {\n" +
+            "    bar();\n" +
+            "  } else if (c) {\n" +
+            "    baz();\n" +
+            "  } else {\n" +
+            "    qux();\n" +
+            "  }\n" +
+            "}",
+            output:
+            "if (a) {\n" +
+            "  foo();\n" +
+            "} else if (b) {\n" +
+            "    bar();\n" +
+            "  } else if (c) {\n" +
+            "    baz();\n" +
+            "  } else {\n" +
+            "    qux();\n" +
+            "  }",
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-loop-func.js b/eslint/tests/lib/rules/no-loop-func.js
new file mode 100644
index 0000000..ba161ec
--- /dev/null
+++ b/eslint/tests/lib/rules/no-loop-func.js
@@ -0,0 +1,236 @@
+/**
+ * @fileoverview Tests for no-loop-func rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-loop-func"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-loop-func", rule, {
+    valid: [
+        "string = 'function a() {}';",
+        "for (var i=0; i<l; i++) { } var a = function() { i; };",
+        "for (var i=0, a=function() { i; }; i<l; i++) { }",
+        "for (var x in xs.filter(function(x) { return x != upper; })) { }",
+        {
+            code: "for (var x of xs.filter(function(x) { return x != upper; })) { }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // no refers to variables that declared on upper scope.
+        "for (var i=0; i<l; i++) { (function() {}) }",
+        "for (var i in {}) { (function() {}) }",
+        {
+            code: "for (var i of {}) { (function() {}) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // functions which are using unmodified variables are OK.
+        {
+            code: "for (let i=0; i<l; i++) { (function() { i; }) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (let i in {}) { i = 7; (function() { i; }) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (const i of {}) { (function() { i; }) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "for (let i = 0; i < 10; ++i) { for (let x in xs.filter(x => x != i)) {  } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i=0; i<l; i++) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i in {}) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i of {}) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i=0; i<l; i++) { (function() { (function() { a; }); }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i in {}) { function foo() { (function() { a; }); } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; for (let i of {}) { (() => { (function() { a; }); }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0; for (let i=0; i<l; i++) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0; for (let i in {}) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0; for (let i of {}) { (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let result = {};",
+                "for (const score in scores) {",
+                "  const letters = scores[score];",
+                "  letters.split('').forEach(letter => {",
+                "    result[letter] = score;",
+                "  });",
+                "}",
+                "result.__default = 6;"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "while (true) {",
+                "    (function() { a; });",
+                "}",
+                "let a;"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "for (var i=0; i<l; i++) { (function() { i; }) }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i=0; i<l; i++) { for (var j=0; j<m; j++) { (function() { i+j; }) } }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i', 'j'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i in {}) { (function() { i; }) }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i of {}) { (function() { i; }) }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i=0; i < l; i++) { (() => { i; }) }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "for (var i=0; i < l; i++) { var a = function() { i; } }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i=0; i < l; i++) { function a() { i; }; a(); }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionDeclaration" }]
+        },
+        {
+            code: "for (var i=0; (function() { i; })(), i<l; i++) { }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var i=0; i<l; (function() { i; })(), i++) { }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "while(i) { (function() { i; }) }",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "do { (function() { i; }) } while (i)",
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "FunctionExpression" }]
+        },
+
+        // Warns functions which are using modified variables.
+        {
+            code: "let a; for (let i=0; i<l; i++) { a = 1; (function() { a; });}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; for (let i in {}) { (function() { a; }); a = 1; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; for (let i of {}) { (function() { a; }); } a = 1; ",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; for (let i=0; i<l; i++) { (function() { (function() { a; }); }); a = 1; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; for (let i in {}) { a = 1; function foo() { (function() { a; }); } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionDeclaration" }]
+        },
+        {
+            code: "let a; for (let i of {}) { (() => { (function() { a; }); }); } a = 1;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "for (var i = 0; i < 10; ++i) { for (let x in xs.filter(x => x != i)) {  } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'i'" }, type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "for (let x of xs) { let a; for (let y of ys) { a = 1; (function() { a; }); } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var x of xs) { for (let y of ys) { (function() { x; }); } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'x'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "for (var x of xs) { (function() { x; }); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'x'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "var a; for (let x of xs) { a = 1; (function() { a; }); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "var a; for (let x of xs) { (function() { a; }); a = 1; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; function foo() { a = 10; } for (let x of xs) { (function() { a; }); } foo();",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        },
+        {
+            code: "let a; function foo() { a = 10; for (let x of xs) { (function() { a; }); } } foo();",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unsafeRefs", data: { varNames: "'a'" }, type: "FunctionExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-magic-numbers.js b/eslint/tests/lib/rules/no-magic-numbers.js
new file mode 100644
index 0000000..da75571
--- /dev/null
+++ b/eslint/tests/lib/rules/no-magic-numbers.js
@@ -0,0 +1,724 @@
+/**
+ * @fileoverview Tests for no-magic-numbers rule.
+ * @author Vincent Lemeunier
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-magic-numbers"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-magic-numbers", rule, {
+    valid: [
+        "var x = parseInt(y, 10);",
+        "var x = parseInt(y, -10);",
+        "var x = Number.parseInt(y, 10);",
+        {
+            code: "const foo = 42;",
+            env: { es6: true }
+        },
+        {
+            code: "var foo = 42;",
+            options: [{
+                enforceConst: false
+            }],
+            env: { es6: true }
+        },
+        "var foo = -42;",
+        {
+            code: "var foo = 0 + 1 - 2 + -2;",
+            options: [{
+                ignore: [0, 1, 2, -2]
+            }]
+        },
+        {
+            code: "var foo = 0 + 1 + 2 + 3 + 4;",
+            options: [{
+                ignore: [0, 1, 2, 3, 4]
+            }]
+        },
+        "var foo = { bar:10 }",
+        {
+            code: "setTimeout(function() {return 1;}, 0);",
+            options: [{
+                ignore: [0, 1]
+            }]
+        },
+        {
+            code: "var data = ['foo', 'bar', 'baz']; var third = data[3];",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[0]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[-0]", // Allowed. -0 is not the same as 0 but it will be coerced to "0", so foo[-0] refers to the element at index 0.
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[100]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[200.00]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[3e4]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[1.23e2]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[230e-1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[0b110]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "foo[0o71]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "foo[0xABC]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[0123]",
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[5.0000000000000001]", // loses precision and evaluates to 5
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[4294967294]", // max array index
+            options: [{
+                ignoreArrayIndexes: true
+            }]
+        },
+        {
+            code: "foo[0n]", // Allowed. 0n will be coerced to "0", so foo[0n] refers to the element at index 0.
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "foo[-0n]", // Allowed. -0n evaluates to 0n which will be coerced to "0", so foo[-0n] refers to the element at index 0.
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "foo[1n]", // Allowed. 1n will be coerced to "1", so foo[1n] refers to the element at index 1.
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "foo[100n]", // Allowed. 100n will be coerced to "100", so foo[100n] refers to the element at index 100.
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "foo[0xABn]", // Allowed. 0xABn is evaluated to 171n and will be coerced to "171", so foo[0xABn] refers to the element at index 171.
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "foo[4294967294n]", // max array index
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "var a = <input maxLength={10} />;",
+            parserOptions: {
+                ecmaFeatures: {
+                    jsx: true
+                }
+            }
+        },
+        {
+            code: "var a = <div objectProp={{ test: 1}}></div>;",
+            parserOptions: {
+                ecmaFeatures: {
+                    jsx: true
+                }
+            }
+        },
+        {
+            code: "f(100n)",
+            options: [{ ignore: ["100n"] }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "f(-100n)",
+            options: [{ ignore: ["-100n"] }],
+            parserOptions: { ecmaVersion: 2020 }
+        }
+    ],
+    invalid: [
+        {
+            code: "var foo = 42",
+            options: [{
+                enforceConst: true
+            }],
+            env: { es6: true },
+            errors: [{ messageId: "useConst" }]
+        },
+        {
+            code: "var foo = 0 + 1;",
+            errors: [
+                { messageId: "noMagic", data: { raw: "0" } },
+                { messageId: "noMagic", data: { raw: "1" } }
+            ]
+        },
+        {
+            code: "var foo = 42n",
+            options: [{
+                enforceConst: true
+            }],
+            parserOptions: {
+                ecmaVersion: 2020
+            },
+            errors: [{ messageId: "useConst" }]
+        },
+        {
+            code: "var foo = 0n + 1n;",
+            parserOptions: {
+                ecmaVersion: 2020
+            },
+            errors: [
+                { messageId: "noMagic", data: { raw: "0n" } },
+                { messageId: "noMagic", data: { raw: "1n" } }
+            ]
+        },
+        {
+            code: "a = a + 5;",
+            errors: [
+                { messageId: "noMagic", data: { raw: "5" } }
+            ]
+        },
+        {
+            code: "a += 5;",
+            errors: [
+                { messageId: "noMagic", data: { raw: "5" } }
+            ]
+        },
+        {
+            code: "var foo = 0 + 1 + -2 + 2;",
+            errors: [
+                { messageId: "noMagic", data: { raw: "0" } },
+                { messageId: "noMagic", data: { raw: "1" } },
+                { messageId: "noMagic", data: { raw: "-2" } },
+                { messageId: "noMagic", data: { raw: "2" } }
+            ]
+        },
+        {
+            code: "var foo = 0 + 1 + 2;",
+            options: [{
+                ignore: [0, 1]
+            }],
+            errors: [
+                { messageId: "noMagic", data: { raw: "2" } }
+            ]
+        },
+        {
+            code: "var foo = { bar:10 }",
+            options: [{
+                detectObjects: true
+            }],
+            errors: [
+                { messageId: "noMagic", data: { raw: "10" } }
+            ]
+        }, {
+            code: "console.log(0x1A + 0x02); console.log(071);",
+            errors: [
+                { messageId: "noMagic", data: { raw: "0x1A" } },
+                { messageId: "noMagic", data: { raw: "0x02" } },
+                { messageId: "noMagic", data: { raw: "071" } }
+            ]
+        }, {
+            code: "var stats = {avg: 42};",
+            options: [{
+                detectObjects: true
+            }],
+            errors: [
+                { messageId: "noMagic", data: { raw: "42" } }
+            ]
+        }, {
+            code: "var colors = {}; colors.RED = 2; colors.YELLOW = 3; colors.BLUE = 4 + 5;",
+            errors: [
+                { messageId: "noMagic", data: { raw: "4" } },
+                { messageId: "noMagic", data: { raw: "5" } }
+            ]
+        },
+        {
+            code: "function getSecondsInMinute() {return 60;}",
+            errors: [
+                { messageId: "noMagic", data: { raw: "60" } }
+            ]
+        },
+        {
+            code: "function getNegativeSecondsInMinute() {return -60;}",
+            errors: [
+                { messageId: "noMagic", data: { raw: "-60" } }
+            ]
+        },
+        {
+            code: "var Promise = require('bluebird');\n" +
+                "var MINUTE = 60;\n" +
+                "var HOUR = 3600;\n" +
+                "const DAY = 86400;\n" +
+                "var configObject = {\n" +
+                  "key: 90,\n" +
+                  "another: 10 * 10,\n" +
+                  "10: 'an \"integer\" key'\n" +
+                "};\n" +
+                "function getSecondsInDay() {\n" +
+                 " return 24 * HOUR;\n" +
+                "}\n" +
+                "function getMillisecondsInDay() {\n" +
+                  "return (getSecondsInDay() *\n" +
+                    "(1000)\n" +
+                  ");\n" +
+                "}\n" +
+                "function callSetTimeoutZero(func) {\n" +
+                  "setTimeout(func, 0);\n" +
+                "}\n" +
+                "function invokeInTen(func) {\n" +
+                  "setTimeout(func, 10);\n" +
+                "}\n",
+            env: { es6: true },
+            errors: [
+                { messageId: "noMagic", data: { raw: "10" }, line: 7 },
+                { messageId: "noMagic", data: { raw: "10" }, line: 7 },
+                { messageId: "noMagic", data: { raw: "24" }, line: 11 },
+                { messageId: "noMagic", data: { raw: "1000" }, line: 15 },
+                { messageId: "noMagic", data: { raw: "0" }, line: 19 },
+                { messageId: "noMagic", data: { raw: "10" }, line: 22 }
+            ]
+        },
+        {
+            code: "var data = ['foo', 'bar', 'baz']; var third = data[3];",
+            errors: [{
+                messageId: "noMagic", data: { raw: "3" }, line: 1
+            }]
+        },
+        {
+            code: "var data = ['foo', 'bar', 'baz']; var third = data[3];",
+            options: [{}],
+            errors: [{
+                messageId: "noMagic", data: { raw: "3" }, line: 1
+            }]
+        },
+        {
+            code: "var data = ['foo', 'bar', 'baz']; var third = data[3];",
+            options: [{
+                ignoreArrayIndexes: false
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "3" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-100]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-100" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-1.5]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1.5" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-0.1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-0.1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-0b110]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-0b110" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-0o71]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-0o71" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-0x12]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-0x12" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-012]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-012" }, line: 1
+            }]
+        },
+        {
+            code: "foo[0.1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "0.1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[0.12e1]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "0.12e1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[1.5]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "1.5" }, line: 1
+            }]
+        },
+        {
+            code: "foo[1.678e2]", // 167.8
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "1.678e2" }, line: 1
+            }]
+        },
+        {
+            code: "foo[56e-1]", // 5.6
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "56e-1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[5.000000000000001]", // doesn't lose precision
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "5.000000000000001" }, line: 1
+            }]
+        },
+        {
+            code: "foo[100.9]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "100.9" }, line: 1
+            }]
+        },
+        {
+            code: "foo[4294967295]", // first above the max index
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "4294967295" }, line: 1
+            }]
+        },
+        {
+            code: "foo[1e300]", // Above the max, and also coerces to "1e+300"
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "1e300" }, line: 1
+            }]
+        },
+        {
+            code: "foo[1e310]", // refers to property "Infinity"
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "1e310" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-1e310]", // refers to property "-Infinity"
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1e310" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-1n]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-100n]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-100n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-0x12n]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-0x12n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[4294967295n]", // first above the max index
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "4294967295n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[+0]", // Consistent with the default behavior, which doesn't allow: var foo = +0
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "0" }, line: 1
+            }]
+        },
+        {
+            code: "foo[+1]", // Consistent with the default behavior, which doesn't allow: var foo = +1
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[-(-1)]", // Consistent with the default behavior, which doesn't allow: var foo = -(-1)
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1" }, line: 1
+            }]
+        },
+        {
+            code: "foo[+0n]", // Consistent with the default behavior, which doesn't allow: var foo = +0n
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "0n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[+1n]", // Consistent with the default behavior, which doesn't allow: var foo = +1n
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "1n" }, line: 1
+            }]
+        },
+        {
+            code: "foo[- -1n]", // Consistent with the default behavior, which doesn't allow: var foo = - -1n
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [{
+                messageId: "noMagic", data: { raw: "-1n" }, line: 1
+            }]
+        },
+        {
+            code: "100 .toString()",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "100" }, line: 1
+            }]
+        },
+        {
+            code: "200[100]",
+            options: [{
+                ignoreArrayIndexes: true
+            }],
+            errors: [{
+                messageId: "noMagic", data: { raw: "200" }, line: 1
+            }]
+        },
+        {
+            code: "var a = <div arrayProp={[1,2,3]}></div>;",
+            parserOptions: {
+                ecmaFeatures: {
+                    jsx: true
+                }
+            },
+            errors: [
+                { messageId: "noMagic", data: { raw: "1" }, line: 1 },
+                { messageId: "noMagic", data: { raw: "2" }, line: 1 },
+                { messageId: "noMagic", data: { raw: "3" }, line: 1 }
+            ]
+        },
+        {
+            code: "var min, max, mean; min = 1; max = 10; mean = 4;",
+            options: [{}],
+            errors: [
+                { messageId: "noMagic", data: { raw: "1" }, line: 1 },
+                { messageId: "noMagic", data: { raw: "10" }, line: 1 },
+                { messageId: "noMagic", data: { raw: "4" }, line: 1 }
+            ]
+        },
+        {
+            code: "f(100n)",
+            options: [{ ignore: [100] }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                { messageId: "noMagic", data: { raw: "100n" }, line: 1 }
+            ]
+        },
+        {
+            code: "f(-100n)",
+            options: [{ ignore: ["100n"] }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                { messageId: "noMagic", data: { raw: "-100n" }, line: 1 }
+            ]
+        },
+        {
+            code: "f(100n)",
+            options: [{ ignore: ["-100n"] }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                { messageId: "noMagic", data: { raw: "100n" }, line: 1 }
+            ]
+        },
+        {
+            code: "f(100)",
+            options: [{ ignore: ["100n"] }],
+            errors: [
+                { messageId: "noMagic", data: { raw: "100" }, line: 1 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-misleading-character-class.js b/eslint/tests/lib/rules/no-misleading-character-class.js
new file mode 100644
index 0000000..a7bc04e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-misleading-character-class.js
@@ -0,0 +1,298 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-misleading-character-class"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({
+    parserOptions: { ecmaVersion: 2015 }
+});
+
+/*
+ * /[👍]/ // ERROR: a surrogate pair in a character class without u flag.
+ * /[❇️]/u // ERROR: variation selectors in a character class.
+ * /[👨‍👩‍👦]/u // ERROR: ZWJ in a character class.
+ * /[🇯🇵]/u // ERROR: a U+1F1E6-1F1FF pair in a character class.
+ * /[👶🏻]/u // ERROR: an emoji which is made with an emoji and skin tone selector, in a character class.
+ */
+
+ruleTester.run("no-misleading-character-class", rule, {
+    valid: [
+        "var r = /[👍]/u",
+        "var r = /[\\uD83D\\uDC4D]/u",
+        "var r = /[\\u{1F44D}]/u",
+        "var r = /❇️/",
+        "var r = /Á/",
+        "var r = /[❇]/",
+        "var r = /👶🏻/",
+        "var r = /[👶]/u",
+        "var r = /🇯🇵/",
+        "var r = /[JP]/",
+        "var r = /👨‍👩‍👦/",
+
+        // Ignore solo lead/tail surrogate.
+        "var r = /[\\uD83D]/",
+        "var r = /[\\uDC4D]/",
+        "var r = /[\\uD83D]/u",
+        "var r = /[\\uDC4D]/u",
+
+        // Ignore solo combining char.
+        "var r = /[\\u0301]/",
+        "var r = /[\\uFE0F]/",
+        "var r = /[\\u0301]/u",
+        "var r = /[\\uFE0F]/u",
+
+        // Ignore solo emoji modifier.
+        "var r = /[\\u{1F3FB}]/u",
+        "var r = /[\u{1F3FB}]/u",
+
+        // Ignore solo regional indicator symbol.
+        "var r = /[🇯]/u",
+        "var r = /[🇵]/u",
+
+        // Ignore solo ZWJ.
+        "var r = /[\\u200D]/",
+        "var r = /[\\u200D]/u",
+
+        // don't report and don't crash on invalid regex
+        "var r = new RegExp('[Á] [ ');",
+        "var r = RegExp('{ [Á]', 'u');",
+        { code: "var r = new globalThis.RegExp('[Á] [ ');", env: { es2020: true } },
+        { code: "var r = globalThis.RegExp('{ [Á]', 'u');", env: { es2020: true } }
+    ],
+    invalid: [
+
+        // RegExp Literals.
+        {
+            code: "var r = /[👍]/",
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: "var r = /[\\uD83D\\uDC4D]/",
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: "var r = /[Á]/",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[Á]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u0041\\u0301]/",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u0041\\u0301]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u{41}\\u{301}]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[❇️]/",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[❇️]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u2747\\uFE0F]/",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u2747\\uFE0F]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[\\u{2747}\\u{FE0F}]/u",
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: "var r = /[👶🏻]/",
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: "var r = /[👶🏻]/u",
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: "var r = /[\\uD83D\\uDC76\\uD83C\\uDFFB]/u",
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: "var r = /[\\u{1F476}\\u{1F3FB}]/u",
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: "var r = /[🇯🇵]/",
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: "var r = /[🇯🇵]/u",
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: "var r = /[\\uD83C\\uDDEF\\uD83C\\uDDF5]/u",
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: "var r = /[\\u{1F1EF}\\u{1F1F5}]/u",
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: "var r = /[👨‍👩‍👦]/",
+            errors: [
+                { messageId: "surrogatePairWithoutUFlag" },
+                { messageId: "zwj" }
+            ]
+        },
+        {
+            code: "var r = /[👨‍👩‍👦]/u",
+            errors: [{ messageId: "zwj" }]
+        },
+        {
+            code: "var r = /[\\uD83D\\uDC68\\u200D\\uD83D\\uDC69\\u200D\\uD83D\\uDC66]/u",
+            errors: [{ messageId: "zwj" }]
+        },
+        {
+            code: "var r = /[\\u{1F468}\\u{200D}\\u{1F469}\\u{200D}\\u{1F466}]/u",
+            errors: [{ messageId: "zwj" }]
+        },
+
+        // RegExp constructors.
+        {
+            code: String.raw`var r = new RegExp("[👍]", "")`,
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\uD83D\\uDC4D]", "")`,
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[Á]", "")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[Á]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u0041\\u0301]", "")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u0041\\u0301]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u{41}\\u{301}]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[❇️]", "")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[❇️]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u2747\\uFE0F]", "")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u2747\\uFE0F]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u{2747}\\u{FE0F}]", "u")`,
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[👶🏻]", "")`,
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[👶🏻]", "u")`,
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\uD83D\\uDC76\\uD83C\\uDFFB]", "u")`,
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u{1F476}\\u{1F3FB}]", "u")`,
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[🇯🇵]", "")`,
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[🇯🇵]", "u")`,
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\uD83C\\uDDEF\\uD83C\\uDDF5]", "u")`,
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u{1F1EF}\\u{1F1F5}]", "u")`,
+            errors: [{ messageId: "regionalIndicatorSymbol" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[👨‍👩‍👦]", "")`,
+            errors: [
+                { messageId: "surrogatePairWithoutUFlag" },
+                { messageId: "zwj" }
+            ]
+        },
+        {
+            code: String.raw`var r = new RegExp("[👨‍👩‍👦]", "u")`,
+            errors: [{ messageId: "zwj" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\uD83D\\uDC68\\u200D\\uD83D\\uDC69\\u200D\\uD83D\\uDC66]", "u")`,
+            errors: [{ messageId: "zwj" }]
+        },
+        {
+            code: String.raw`var r = new RegExp("[\\u{1F468}\\u{200D}\\u{1F469}\\u{200D}\\u{1F466}]", "u")`,
+            errors: [{ messageId: "zwj" }]
+        },
+        {
+            code: String.raw`var r = new globalThis.RegExp("[❇️]", "")`,
+            env: { es2020: true },
+            errors: [{ messageId: "combiningClass" }]
+        },
+        {
+            code: String.raw`var r = new globalThis.RegExp("[👶🏻]", "u")`,
+            env: { es2020: true },
+            errors: [{ messageId: "emojiModifier" }]
+        },
+        {
+            code: String.raw`var r = new globalThis.RegExp("[🇯🇵]", "")`,
+            env: { es2020: true },
+            errors: [{ messageId: "surrogatePairWithoutUFlag" }]
+        },
+        {
+            code: String.raw`var r = new globalThis.RegExp("[\\u{1F468}\\u{200D}\\u{1F469}\\u{200D}\\u{1F466}]", "u")`,
+            env: { es2020: true },
+            errors: [{ messageId: "zwj" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-mixed-operators.js b/eslint/tests/lib/rules/no-mixed-operators.js
new file mode 100644
index 0000000..0e79b56
--- /dev/null
+++ b/eslint/tests/lib/rules/no-mixed-operators.js
@@ -0,0 +1,368 @@
+/**
+ * @fileoverview Tests for no-mixed-operators rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-mixed-operators"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-mixed-operators", rule, {
+    valid: [
+        "a && b && c && d",
+        "a || b || c || d",
+        "(a || b) && c && d",
+        "a || (b && c && d)",
+        "(a || b || c) && d",
+        "a || b || (c && d)",
+        "a + b + c + d",
+        "a * b * c * d",
+        "a == 0 && b == 1",
+        "a == 0 || b == 1",
+        {
+            code: "(a == 0) && (b == 1)",
+            options: [{ groups: [["&&", "=="]] }]
+        },
+        {
+            code: "a + b - c * d / e",
+            options: [{ groups: [["&&", "||"]] }]
+        },
+        "a + b - c",
+        "a * b / c",
+        {
+            code: "a + b - c",
+            options: [{ allowSamePrecedence: true }]
+        },
+        {
+            code: "a * b / c",
+            options: [{ allowSamePrecedence: true }]
+        },
+        {
+            code: "(a || b) ? c : d",
+            options: [{ groups: [["&&", "||", "?:"]] }]
+        },
+        {
+            code: "a || (b ? c : d)",
+            options: [{ groups: [["&&", "||", "?:"]] }]
+        },
+        "a || (b ? c : d)",
+        "(a || b) ? c : d",
+        "a || b ? c : d"
+    ],
+    invalid: [
+        {
+            code: "a && b || c",
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 5,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                },
+                {
+                    column: 8,
+                    endColumn: 10,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a && b > 0 || c",
+            options: [{ groups: [["&&", "||", ">"]] }],
+            errors: [
+                {
+                    column: 3,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                },
+                {
+                    column: 3,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: ">"
+                    }
+                },
+                {
+                    column: 8,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: ">"
+                    }
+                },
+                {
+                    column: 12,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a && b > 0 || c",
+            options: [{ groups: [["&&", "||"]] }],
+            errors: [
+                {
+                    column: 3,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                },
+                {
+                    column: 12,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a && b + c - d / e || f",
+            options: [{ groups: [["&&", "||"], ["+", "-", "*", "/"]] }],
+            errors: [
+                {
+                    column: 3,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                },
+                {
+                    column: 12,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "-",
+                        rightOperator: "/"
+                    }
+                },
+                {
+                    column: 16,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "-",
+                        rightOperator: "/"
+                    }
+                },
+                {
+                    column: 20,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a && b + c - d / e || f",
+            options: [{ groups: [["&&", "||"], ["+", "-", "*", "/"]], allowSamePrecedence: true }],
+            errors: [
+                {
+                    column: 3,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                },
+                {
+                    column: 12,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "-",
+                        rightOperator: "/"
+                    }
+                },
+                {
+                    column: 16,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "-",
+                        rightOperator: "/"
+                    }
+                },
+                {
+                    column: 20,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "||"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a + b - c",
+            options: [{ allowSamePrecedence: false }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 4,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "+",
+                        rightOperator: "-"
+                    }
+                },
+                {
+                    column: 7,
+                    endColumn: 8,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "+",
+                        rightOperator: "-"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a * b / c",
+            options: [{ allowSamePrecedence: false }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 4,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "*",
+                        rightOperator: "/"
+                    }
+                },
+                {
+                    column: 7,
+                    endColumn: 8,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "*",
+                        rightOperator: "/"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a || b ? c : d",
+            options: [{ groups: [["&&", "||", "?:"]] }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 5,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "||",
+                        rightOperator: "?:"
+                    }
+                },
+                {
+                    column: 8,
+                    endColumn: 9,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "||",
+                        rightOperator: "?:"
+                    }
+                }
+            ]
+        },
+        {
+            code: "a && b ? 1 : 2",
+            options: [{ groups: [["&&", "||", "?:"]] }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 5,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "?:"
+                    }
+                },
+                {
+                    column: 8,
+                    endColumn: 9,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "&&",
+                        rightOperator: "?:"
+                    }
+                }
+            ]
+        },
+        {
+            code: "x ? a && b : 0",
+            options: [{ groups: [["&&", "||", "?:"]] }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 4,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "?:",
+                        rightOperator: "&&"
+                    }
+                },
+                {
+                    column: 7,
+                    endColumn: 9,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "?:",
+                        rightOperator: "&&"
+                    }
+                }
+            ]
+        },
+        {
+            code: "x ? 0 : a && b",
+            options: [{ groups: [["&&", "||", "?:"]] }],
+            errors: [
+                {
+                    column: 3,
+                    endColumn: 4,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "?:",
+                        rightOperator: "&&"
+                    }
+                },
+                {
+                    column: 11,
+                    endColumn: 13,
+                    messageId: "unexpectedMixedOperator",
+                    data: {
+                        leftOperator: "?:",
+                        rightOperator: "&&"
+                    }
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-mixed-requires.js b/eslint/tests/lib/rules/no-mixed-requires.js
new file mode 100644
index 0000000..5f1c316
--- /dev/null
+++ b/eslint/tests/lib/rules/no-mixed-requires.js
@@ -0,0 +1,119 @@
+/**
+ * @fileoverview Tests for the no-mixed-requires rule.
+ * @author Raphael Pigulla
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-mixed-requires"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-mixed-requires", rule, {
+    valid: [
+        { code: "var a, b = 42, c = doStuff()", options: [false] },
+        { code: "var a = require(42), b = require(), c = require('y'), d = require(doStuff())", options: [false] },
+        { code: "var fs = require('fs'), foo = require('foo')", options: [false] },
+        { code: "var exec = require('child_process').exec, foo = require('foo')", options: [false] },
+        { code: "var fs = require('fs'), foo = require('./foo')", options: [false] },
+        { code: "var foo = require('foo'), foo2 = require('./foo')", options: [false] },
+        { code: "var emitter = require('events').EventEmitter, fs = require('fs')", options: [false] },
+        { code: "var foo = require(42), bar = require(getName())", options: [false] },
+        { code: "var foo = require(42), bar = require(getName())", options: [true] },
+        { code: "var fs = require('fs'), foo = require('./foo')", options: [{ grouping: false }] },
+        { code: "var foo = require('foo'), bar = require(getName())", options: [false] },
+        { code: "var a;", options: [true] },
+        { code: "var async = require('async'), debug = require('diagnostics')('my-module')", options: [{ allowCall: true }] }
+    ],
+    invalid: [
+        {
+            code: "var fs = require('fs'), foo = 42",
+            options: [false],
+            errors: [{
+                messageId: "noMixRequire",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var fs = require('fs'), foo",
+            options: [false],
+            errors: [{
+                messageId: "noMixRequire",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var a = require(42), b = require(), c = require('y'), d = require(doStuff())",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var fs = require('fs'), foo = require('foo')",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var fs = require('fs'), foo = require('foo')",
+            options: [{ grouping: true }],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var exec = require('child_process').exec, foo = require('foo')",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var fs = require('fs'), foo = require('./foo')",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var foo = require('foo'), foo2 = require('./foo')",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var foo = require('foo'), bar = require(getName())",
+            options: [true],
+            errors: [{
+                messageId: "noMixCoreModuleFileComputed",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var async = require('async'), debug = require('diagnostics').someFun('my-module')",
+            options: [{ allowCall: true }],
+            errors: [{
+                messageId: "noMixRequire",
+                type: "VariableDeclaration"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-mixed-spaces-and-tabs.js b/eslint/tests/lib/rules/no-mixed-spaces-and-tabs.js
new file mode 100644
index 0000000..4e43870
--- /dev/null
+++ b/eslint/tests/lib/rules/no-mixed-spaces-and-tabs.js
@@ -0,0 +1,240 @@
+/**
+ * @fileoverview Disallow mixed spaces and tabs for indentation
+ * @author Jary Niebur
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-mixed-spaces-and-tabs"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-mixed-spaces-and-tabs", rule, {
+
+    valid: [
+        "\tvar x = 5;",
+        "    var x = 5;",
+        "\t/*\n\t * Hello\n\t */",
+        "// foo\n\t/**\n\t * Hello\n\t */",
+        "/*\n\n \t \n*/",
+        "/*\t */ //",
+        "/*\n \t*/ //",
+        "/*\n\t *//*\n \t*/",
+        "// \t",
+        "/*\n*/\t ",
+        "/* \t\n\t \n \t\n\t */ \t",
+        {
+            code: "\tvar x = 5,\n\t    y = 2;",
+            options: [true]
+        },
+        {
+            code: "/*\n\t */`\n\t   `;",
+            env: { es6: true }
+        },
+        {
+            code: "/*\n\t */var a = `\n\t   `, b = `\n\t   `/*\t \n\t \n*/;",
+            env: { es6: true }
+        },
+        {
+            code: "/*\t `template inside comment` */",
+            env: { es6: true }
+        },
+        {
+            code: "var foo = `\t /* comment inside template\t */`;",
+            env: { es6: true }
+        },
+        {
+            code: "`\n\t   `;",
+            env: { es6: true }
+        },
+        {
+            code: "`\n\t   \n`;",
+            env: { es6: true }
+        },
+        {
+            code: "`\t   `;",
+            env: { es6: true }
+        },
+        {
+            code: "const foo = `${console}\n\t foo`;",
+            env: { es6: true }
+        },
+        {
+            code: "`\t   `;`   \t`",
+            env: { es6: true }
+        },
+        {
+            code: "`foo${ 5 }\t    `;",
+            env: { es6: true }
+        },
+        "' \t\\\n\t multiline string';",
+        "'\t \\\n \tmultiline string';",
+        {
+            code: "\tvar x = 5,\n\t    y = 2;",
+            options: ["smart-tabs"]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "function add(x, y) {\n\t return x + y;\n}",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "\t ;\n/*\n\t * Hello\n\t */",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: " \t/* comment */",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "\t // comment",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "\t var a /* comment */ = 1;",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: " \tvar b = 1; // comment",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "/**/\n \t/*\n \t*/",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "\t var x = 5, y = 2, z = 5;\n\n\t \tvar j =\t x + y;\nz *= j;",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                },
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 3
+                }
+            ]
+        },
+        {
+            code: "\tvar x = 5,\n  \t  y = 2;",
+            options: [true],
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "\tvar x = 5,\n  \t  y = 2;",
+            options: ["smart-tabs"],
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "`foo${\n \t  5 }bar`;",
+            options: ["smart-tabs"],
+            env: { es6: true },
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "`foo${\n\t  5 }bar`;",
+            env: { es6: true },
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2,
+                    column: 2
+                }
+            ]
+        },
+        {
+            code: "  \t'';",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "''\n\t ",
+            errors: [
+                {
+                    messageId: "mixedSpacesAndTabs",
+                    type: "Program",
+                    line: 2
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-multi-assign.js b/eslint/tests/lib/rules/no-multi-assign.js
new file mode 100644
index 0000000..dc90746
--- /dev/null
+++ b/eslint/tests/lib/rules/no-multi-assign.js
@@ -0,0 +1,142 @@
+/**
+ * @fileoverview Tests for no-multi-assign rule.
+ * @author Stewart Rand
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-multi-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Fixtures
+//------------------------------------------------------------------------------
+
+/**
+ * Returns an error object at the specified line and column
+ * @private
+ * @param {int} line line number
+ * @param {int} column column number
+ * @param {string} type Type of node
+ * @returns {Object} Error object
+ */
+function errorAt(line, column, type) {
+    return {
+        messageId: "unexpectedChain",
+        type,
+        line,
+        column
+    };
+}
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-mutli-assign", rule, {
+    valid: [
+        "var a, b, c,\nd = 0;",
+        "var a = 1; var b = 2; var c = 3;\nvar d = 0;",
+        "var a = 1 + (b === 10 ? 5 : 4);",
+        { code: "const a = 1, b = 2, c = 3;", parserOptions: { ecmaVersion: 6 } },
+        { code: "const a = 1;\nconst b = 2;\n const c = 3;", parserOptions: { ecmaVersion: 6 } },
+        "for(var a = 0, b = 0;;){}",
+        { code: "for(let a = 0, b = 0;;){}", parserOptions: { ecmaVersion: 6 } },
+        { code: "for(const a = 0, b = 0;;){}", parserOptions: { ecmaVersion: 6 } },
+        { code: "export let a, b;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export let a,\n b = 0;", parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+
+    invalid: [
+        {
+            code: "var a = b = c;",
+            errors: [
+                errorAt(1, 9, "AssignmentExpression")
+            ]
+        },
+        {
+            code: "var a = b = c = d;",
+            errors: [
+                errorAt(1, 9, "AssignmentExpression"),
+                errorAt(1, 13, "AssignmentExpression")
+            ]
+        },
+        {
+            code: "let foo = bar = cee = 100;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                errorAt(1, 11, "AssignmentExpression"),
+                errorAt(1, 17, "AssignmentExpression")
+            ]
+        },
+        {
+            code: "a=b=c=d=e",
+            errors: [
+                errorAt(1, 3, "AssignmentExpression"),
+                errorAt(1, 5, "AssignmentExpression"),
+                errorAt(1, 7, "AssignmentExpression")
+            ]
+        },
+        {
+            code: "a=b=c",
+            errors: [
+                errorAt(1, 3, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "a\n=b\n=c",
+            errors: [
+                errorAt(2, 2, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "var a = (b) = (((c)))",
+            errors: [
+                errorAt(1, 9, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "var a = ((b)) = (c)",
+            errors: [
+                errorAt(1, 9, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "var a = b = ( (c * 12) + 2)",
+            errors: [
+                errorAt(1, 9, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "var a =\n((b))\n = (c)",
+            errors: [
+                errorAt(2, 1, "AssignmentExpression")
+            ]
+        },
+
+        {
+            code: "a = b = '=' + c + 'foo';",
+            errors: [
+                errorAt(1, 5, "AssignmentExpression")
+            ]
+        },
+        {
+            code: "a = b = 7 * 12 + 5;",
+            errors: [
+                errorAt(1, 5, "AssignmentExpression")
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-multi-spaces.js b/eslint/tests/lib/rules/no-multi-spaces.js
new file mode 100644
index 0000000..5534f11
--- /dev/null
+++ b/eslint/tests/lib/rules/no-multi-spaces.js
@@ -0,0 +1,685 @@
+/**
+ * @fileoverview tests for checking multiple spaces.
+ * @author Vignesh Anand aka vegetableman
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-multi-spaces"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-multi-spaces", rule, {
+
+    valid: [
+        "var a = 1;",
+        "var a=1;",
+        "var a = 1, b = 2;",
+        "var arr = [1, 2];",
+        "var arr = [ (1), (2) ];",
+        "var obj = {'a': 1, 'b': (2)};",
+        "\t\tvar x = 5,\n\t\t    y = 2;",
+        "a, b",
+        "a >>> b",
+        "a ^ b",
+        "(a) | (b)",
+        "a & b",
+        "a << b",
+        "a !== b",
+        "a >>>= b",
+        "if (a & b) { }",
+        "function foo(a,b) {}",
+        "function foo(a, b) {}",
+        "if ( a === 3 && b === 4) {}",
+        "if ( a === 3||b === 4 ) {}",
+        "if ( a <= 4) {}",
+        "var foo = bar === 1 ? 2: 3",
+        "[1, , 3]",
+        "[1, ]",
+        "[ ( 1 ) , ( 2 ) ]",
+        "a = 1, b = 2;",
+        "(function(a, b){})",
+        "x.in = 0;",
+        "(function(a,/* b, */c){})",
+        "(function(a,/*b,*/c){})",
+        "(function(a, /*b,*/c){})",
+        "(function(a,/*b,*/ c){})",
+        "(function(a, /*b,*/ c){})",
+        "(function(/*a, b, */c){})",
+        "(function(/*a, */b, c){})",
+        "(function(a, b/*, c*/){})",
+        "(function(a, b/*,c*/){})",
+        "(function(a, b /*,c*/){})",
+        "(function(a/*, b ,c*/){})",
+        "(function(a /*, b ,c*/){})",
+        "(function(a /*, b        ,c*/){})",
+        "/**\n * hello\n * @param {foo} int hi\n *      set.\n * @private\n*/",
+        "/**\n * hello\n * @param {foo} int hi\n *      set.\n *      set.\n * @private\n*/",
+        "var a,/* b,*/c;",
+        "var foo = [1,/* 2,*/3];",
+        "var bar = {a: 1,/* b: 2*/c: 3};",
+        "var foo = \"hello     world\";",
+        "function foo() {\n    return;\n}",
+        "function foo() {\n    if (foo) {\n        return;\n    }\n}",
+        { code: "var foo = `hello     world`;", parserOptions: { ecmaVersion: 6 } },
+        "({ a:  b })",
+        {
+            code: "var  answer = 6 *  7;",
+            options: [{ exceptions: { VariableDeclaration: true, BinaryExpression: true } }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7693
+        "var x = 5; // comment",
+        "var x = 5; /* multiline\n * comment\n */",
+        "var x = 5;\n  // comment",
+        "var x = 5;  \n// comment",
+        "var x = 5;\n  /* multiline\n * comment\n */",
+        "var x = 5;  \n/* multiline\n * comment\n */",
+        { code: "var x = 5; // comment", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5; /* multiline\n * comment\n */", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5;\n  // comment", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5;  \n// comment", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5;\n  /* multiline\n * comment\n */", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5;  \n/* multiline\n * comment\n */", options: [{ ignoreEOLComments: false }] },
+        { code: "var x = 5;  // comment", options: [{ ignoreEOLComments: true }] },
+        { code: "var x = 5;  /* multiline\n * comment\n */", options: [{ ignoreEOLComments: true }] },
+        { code: "var x = 5;\n  // comment", options: [{ ignoreEOLComments: true }] },
+        { code: "var x = 5;  \n// comment", options: [{ ignoreEOLComments: true }] },
+        { code: "var x = 5;\n  /* multiline\n * comment\n */", options: [{ ignoreEOLComments: true }] },
+        { code: "var x = 5;  \n/* multiline\n * comment\n */", options: [{ ignoreEOLComments: true }] },
+
+        "foo\n\f  bar",
+        "foo\n\u2003  bar",
+        "foo\n \f  bar",
+
+        // https://github.com/eslint/eslint/issues/9001
+        "a".repeat(2e5),
+
+        "foo\t\t+bar"
+    ],
+
+    invalid: [
+        {
+            code: "function foo(a,  b) {}",
+            output: "function foo(a, b) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier",
+                column: 16,
+                endColumn: 18
+            }]
+        },
+        {
+            code: "var foo = (a,  b) => {}",
+            output: "var foo = (a, b) => {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier",
+                column: 14,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "var a =  1",
+            output: "var a = 1",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "1" },
+                type: "Numeric",
+                column: 8,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "var a = 1,  b = 2;",
+            output: "var a = 1, b = 2;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a <<  b",
+            output: "a << b",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var arr = {'a': 1,  'b': 2};",
+            output: "var arr = {'a': 1, 'b': 2};",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "'b'" },
+                type: "String",
+                column: 19,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "if (a &  b) { }",
+            output: "if (a & b) { }",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "if ( a === 3  &&  b === 4) {}",
+            output: "if ( a === 3 && b === 4) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "&&" },
+                type: "Punctuator"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var foo = bar === 1 ?  2:  3",
+            output: "var foo = bar === 1 ? 2: 3",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "2" },
+                type: "Numeric"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "3" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var a = [1,  2,  3,  4]",
+            output: "var a = [1, 2, 3, 4]",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "2" },
+                type: "Numeric"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "3" },
+                type: "Numeric"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "4" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var arr = [1,  2];",
+            output: "var arr = [1, 2];",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "2" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "[  , 1,  , 3,  ,  ]",
+            output: "[ , 1, , 3, , ]",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "," },
+                type: "Punctuator",
+                column: 2,
+                endColumn: 4
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "," },
+                type: "Punctuator",
+                column: 8,
+                endColumn: 10
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "," },
+                type: "Punctuator",
+                column: 14,
+                endColumn: 16
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "]" },
+                type: "Punctuator",
+                column: 17,
+                endColumn: 19
+            }]
+        },
+        {
+            code: "a >>>  b",
+            output: "a >>> b",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a = 1,  b =  2;",
+            output: "a = 1, b = 2;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "2" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "(function(a,  b){})",
+            output: "(function(a, b){})",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a,  b){}",
+            output: "function foo(a, b){}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var o = { fetch: function    () {} };",
+            output: "var o = { fetch: function () {} };",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "(" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "function foo      () {}",
+            output: "function foo () {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "(" },
+                type: "Punctuator",
+                column: 13,
+                endColumn: 19
+            }]
+        },
+        {
+            code: "if (foo)      {}",
+            output: "if (foo) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "{" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "function    foo(){}",
+            output: "function foo(){}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "if    (foo) {}",
+            output: "if (foo) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "(" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "try    {} catch(ex) {}",
+            output: "try {} catch(ex) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "{" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "try {} catch    (ex) {}",
+            output: "try {} catch (ex) {}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "(" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "throw  error;",
+            output: "throw error;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "error" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { return      bar; }",
+            output: "function foo() { return bar; }",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "bar" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "switch   (a) {default: foo(); break;}",
+            output: "switch (a) {default: foo(); break;}",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "(" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "var  answer = 6 *  7;",
+            output: "var answer = 6 * 7;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "answer" },
+                type: "Identifier"
+            }, {
+                messageId: "multipleSpaces",
+                data: { displayValue: "7" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "({ a:  6  * 7 })",
+            output: "({ a:  6 * 7 })",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "*" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "({ a:   b })",
+            output: "({ a: b })",
+            options: [{ exceptions: { Property: false } }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "b" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var foo = { bar: function() { return 1    + 2; } };",
+            output: "var foo = { bar: function() { return 1 + 2; } };",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "+" },
+                type: "Punctuator"
+            }]
+        },
+        {
+            code: "\t\tvar x = 5,\n\t\t    y =  2;",
+            output: "\t\tvar x = 5,\n\t\t    y = 2;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "2" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var x =\t  5;",
+            output: "var x = 5;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "5" },
+                type: "Numeric",
+                column: 8,
+                endColumn: 11
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7693
+        {
+            code: "var x =  /* comment */ 5;",
+            output: "var x = /* comment */ 5;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* comment */" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = /* comment */  5;",
+            output: "var x = /* comment */ 5;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "5" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var x = 5;  // comment",
+            output: "var x = 5; // comment",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// comment" },
+                type: "Line",
+                column: 11,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "var x = 5;  // comment\nvar y = 6;",
+            output: "var x = 5; // comment\nvar y = 6;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// comment" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x = 5;  /* multiline\n * comment\n */",
+            output: "var x = 5; /* multiline\n * comment\n */",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* multiline...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  /* multiline\n * comment\n */\nvar y = 6;",
+            output: "var x = 5; /* multiline\n * comment\n */\nvar y = 6;",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* multiline...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  // this is a long comment",
+            output: "var x = 5; // this is a long comment",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// this is a l..." },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x =  /* comment */ 5;",
+            output: "var x = /* comment */ 5;",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* comment */" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = /* comment */  5;",
+            output: "var x = /* comment */ 5;",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "5" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var x = 5;  // comment",
+            output: "var x = 5; // comment",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// comment" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x = 5;  // comment\nvar y = 6;",
+            output: "var x = 5; // comment\nvar y = 6;",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// comment" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x = 5;  /* multiline\n * comment\n */",
+            output: "var x = 5; /* multiline\n * comment\n */",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* multiline...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  /* multiline\n * comment\n */\nvar y = 6;",
+            output: "var x = 5; /* multiline\n * comment\n */\nvar y = 6;",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* multiline...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  // this is a long comment",
+            output: "var x = 5; // this is a long comment",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "// this is a l..." },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x =  /* comment */ 5;  // EOL comment",
+            output: "var x = /* comment */ 5;  // EOL comment",
+            options: [{ ignoreEOLComments: true }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* comment */" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x =  /* comment */ 5;  // EOL comment\nvar y = 6;",
+            output: "var x = /* comment */ 5;  // EOL comment\nvar y = 6;",
+            options: [{ ignoreEOLComments: true }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/* comment */" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = /* comment */  5;  /* EOL comment */",
+            output: "var x = /* comment */ 5;  /* EOL comment */",
+            options: [{ ignoreEOLComments: true }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "5" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var x = /* comment */  5;  /* EOL comment */\nvar y = 6;",
+            output: "var x = /* comment */ 5;  /* EOL comment */\nvar y = 6;",
+            options: [{ ignoreEOLComments: true }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "5" },
+                type: "Numeric"
+            }]
+        },
+        {
+            code: "var x =  /*comment without spaces*/ 5;",
+            output: "var x = /*comment without spaces*/ 5;",
+            options: [{ ignoreEOLComments: true }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/*comment with...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  //comment without spaces",
+            output: "var x = 5; //comment without spaces",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "//comment with..." },
+                type: "Line"
+            }]
+        },
+        {
+            code: "var x = 5;  /*comment without spaces*/",
+            output: "var x = 5; /*comment without spaces*/",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/*comment with...*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var x = 5;  /*comment\n without spaces*/",
+            output: "var x = 5; /*comment\n without spaces*/",
+            options: [{ ignoreEOLComments: false }],
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "/*comment...*/" },
+                type: "Block",
+                column: 11,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "foo\n\f  bar  + baz",
+            output: "foo\n\f  bar + baz",
+            errors: [{
+                messageId: "multipleSpaces",
+                data: { displayValue: "+" },
+                type: "Punctuator"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-multi-str.js b/eslint/tests/lib/rules/no-multi-str.js
new file mode 100644
index 0000000..1447f86
--- /dev/null
+++ b/eslint/tests/lib/rules/no-multi-str.js
@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Tests for no-multi-str rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-multi-str"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-multi-str", rule, {
+    valid: [
+        "var a = 'Line 1 Line 2';",
+        { code: "var a = <div>\n<h1>Wat</h1>\n</div>;", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } }
+    ],
+    invalid: [
+        {
+            code: "var x = 'Line 1 \\\n Line 2'",
+            errors: [{
+                messageId: "multilineString",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "test('Line 1 \\\n Line 2');",
+            errors: [{
+                messageId: "multilineString",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "'foo\\\rbar';",
+            errors: [{
+                messageId: "multilineString",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "'foo\\\u2028bar';",
+            errors: [{
+                messageId: "multilineString",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "'foo\\\u2029ar';",
+            errors: [{
+                messageId: "multilineString",
+                type: "Literal"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-multiple-empty-lines.js b/eslint/tests/lib/rules/no-multiple-empty-lines.js
new file mode 100644
index 0000000..5291fbb
--- /dev/null
+++ b/eslint/tests/lib/rules/no-multiple-empty-lines.js
@@ -0,0 +1,361 @@
+/**
+ * @fileoverview Disallows multiple blank lines.
+ * @author Greg Cochard
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-multiple-empty-lines"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+/**
+ * Creates the expected error message object for the specified number of lines
+ * @param {lines} lines The number of lines expected.
+ * @returns {Object} the expected error message object
+ * @private
+ */
+function getExpectedError(lines) {
+    return {
+        messageId: "consecutiveBlank",
+        data: {
+            max: lines,
+            pluralizedLines: lines === 1 ? "line" : "lines"
+        },
+        type: "Program",
+        column: 1
+    };
+}
+
+/**
+ * Creates the expected error message object for the specified number of lines
+ * @param {lines} lines The number of lines expected.
+ * @returns {Object} the expected error message object
+ * @private
+ */
+function getExpectedErrorEOF(lines) {
+    return {
+        messageId: "blankEndOfFile",
+        data: {
+            max: lines
+        },
+        type: "Program",
+        column: 1
+    };
+}
+
+/**
+ * Creates the expected error message object for the specified number of lines
+ * @param {lines} lines The number of lines expected.
+ * @returns {Object} the expected error message object
+ * @private
+ */
+function getExpectedErrorBOF(lines) {
+    return {
+        messageId: "blankBeginningOfFile",
+        data: {
+            max: lines
+        },
+        type: "Program",
+        column: 1
+    };
+}
+
+
+ruleTester.run("no-multiple-empty-lines", rule, {
+
+    valid: [
+        {
+            code: "// valid 1\nvar a = 5;\nvar b = 3;\n\n",
+            options: [{ max: 1 }]
+        },
+        {
+            code: "// valid 2\n\nvar a = 5;\n\nvar b = 3;",
+            options: [{ max: 1 }]
+        },
+        {
+            code: "// valid 3\nvar a = 5;\n\nvar b = 3;\n\n\n",
+            options: [{ max: 2 }]
+        },
+        {
+            code: "// valid 4\nvar a = 5,\n    b = 3;",
+            options: [{ max: 2 }]
+        },
+        {
+            code: "// valid 5\nvar a = 5;\n\n\n\n\nvar b = 3;\n\n\n\n\n",
+            options: [{ max: 4 }]
+        },
+        {
+            code: "// valid 6\nvar a = 5;\n/* comment */\nvar b = 5;",
+            options: [{ max: 0 }]
+        },
+        {
+            code: "// valid 7\nvar a = 5;\n",
+            options: [{ max: 0 }]
+        },
+        {
+            code: "// valid 8\nvar a = 5;\n",
+            options: [{ max: 0, maxEOF: 0 }]
+        },
+        {
+            code: "// valid 9\nvar a = 1;\n\n",
+            options: [{ max: 2, maxEOF: 1 }]
+        },
+        {
+            code: "// valid 10\nvar a = 5;\n",
+            options: [{ max: 0, maxBOF: 0 }]
+        },
+        {
+            code: "\n// valid 11\nvar a = 1;\n",
+            options: [{ max: 2, maxBOF: 1 }]
+        },
+        {
+            code: "// valid 12\r\n// windows line endings\r\nvar a = 5;\r\nvar b = 3;\r\n\r\n",
+            options: [{ max: 1 }]
+        },
+
+        // template strings
+        {
+            code: "// valid 12\nx = `\n\n\n\nhi\n\n\n\n`",
+            options: [{ max: 2 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "// valid 13\n`\n\n`",
+            options: [{ max: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "// valid 14\nvar a = 5;`\n\n\n\n\n`",
+            options: [{ max: 0, maxEOF: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "`\n\n\n\n\n`\n// valid 15\nvar a = 5;",
+            options: [{ max: 0, maxBOF: 0 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "\n\n\n\n// valid 16\nvar a = 5;\n",
+            options: [{ max: 0, maxBOF: 4 }]
+        },
+        {
+            code: "// valid 17\nvar a = 5;\n\n",
+            options: [{ max: 0, maxEOF: 1 }]
+        },
+        {
+            code: "var a = 5;",
+            options: [{ max: 1 }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "// invalid 1\nvar a = 5;\n\n\nvar b = 3;",
+            output: "// invalid 1\nvar a = 5;\n\nvar b = 3;",
+            options: [{ max: 1 }],
+            errors: [getExpectedError(1)]
+        },
+        {
+            code: "// invalid 2\n\n\n\n\nvar a = 5;",
+            output: "// invalid 2\n\n\nvar a = 5;",
+            options: [{ max: 2 }],
+            errors: [getExpectedError(2)]
+        },
+        {
+            code: "// invalid 3\nvar a = 5;\n\n\n\n",
+            output: "// invalid 3\nvar a = 5;\n\n\n",
+            options: [{ max: 2 }],
+            errors: [getExpectedErrorEOF(2)]
+        },
+        {
+            code: "// invalid 4\nvar a = 5;\n \n \n \n",
+            output: "// invalid 4\nvar a = 5;\n \n \n",
+            options: [{ max: 2 }],
+            errors: [getExpectedErrorEOF(2)]
+        },
+        {
+            code: "// invalid 5\nvar a=5;\n\n\n\nvar b = 3;",
+            output: "// invalid 5\nvar a=5;\n\n\nvar b = 3;",
+            options: [{ max: 2 }],
+            errors: [getExpectedError(2)]
+        },
+        {
+            code: "// invalid 6\nvar a=5;\n\n\n\nvar b = 3;\n",
+            output: "// invalid 6\nvar a=5;\n\n\nvar b = 3;\n",
+            options: [{ max: 2 }],
+            errors: [getExpectedError(2)]
+        },
+        {
+            code: "// invalid 7\nvar a = 5;\n\n\n\nb = 3;\nvar c = 5;\n\n\n\nvar d = 3;",
+            output: "// invalid 7\nvar a = 5;\n\n\nb = 3;\nvar c = 5;\n\n\nvar d = 3;",
+            options: [{ max: 2 }],
+            errors: 2
+        },
+        {
+            code: "// invalid 8\nvar a = 5;\n\n\n\n\n\n\n\n\n\n\n\n\n\nb = 3;",
+            output: "// invalid 8\nvar a = 5;\n\n\nb = 3;",
+            options: [{ max: 2 }],
+            errors: [getExpectedError(2)]
+        },
+        {
+            code: "// invalid 9\nvar a=5;\n\n\n\n\n",
+            output: "// invalid 9\nvar a=5;\n\n\n",
+            options: [{ max: 2 }],
+            errors: [getExpectedErrorEOF(2)]
+        },
+        {
+            code: "// invalid 10\nvar a = 5;\n\nvar b = 3;",
+            output: "// invalid 10\nvar a = 5;\nvar b = 3;",
+            options: [{ max: 0 }],
+            errors: [getExpectedError(0)]
+        },
+        {
+            code: "// invalid 11\nvar a = 5;\n\n\n",
+            output: "// invalid 11\nvar a = 5;\n\n",
+            options: [{ max: 5, maxEOF: 1 }],
+            errors: [getExpectedErrorEOF(1)]
+        },
+        {
+            code: "// invalid 12\nvar a = 5;\n\n\n\n\n\n",
+            output: "// invalid 12\nvar a = 5;\n\n\n\n\n",
+            options: [{ max: 0, maxEOF: 4 }],
+            errors: [getExpectedErrorEOF(4)]
+        },
+        {
+            code: "// invalid 13\n\n\n\n\n\n\n\n\nvar a = 5;\n\n\n",
+            output: "// invalid 13\n\n\n\n\n\n\n\n\nvar a = 5;\n\n",
+            options: [{ max: 10, maxEOF: 1 }],
+            errors: [getExpectedErrorEOF(1)]
+        },
+        {
+            code: "// invalid 14\nvar a = 5;\n\n",
+            output: "// invalid 14\nvar a = 5;\n",
+            options: [{ max: 2, maxEOF: 0 }],
+            errors: [getExpectedErrorEOF(0)]
+        },
+        {
+            code: "\n\n// invalid 15\nvar a = 5;\n",
+            output: "\n// invalid 15\nvar a = 5;\n",
+            options: [{ max: 5, maxBOF: 1 }],
+            errors: [getExpectedErrorBOF(1)]
+        },
+        {
+            code: "\n\n\n\n\n// invalid 16\nvar a = 5;\n",
+            output: "\n\n\n\n// invalid 16\nvar a = 5;\n",
+            options: [{ max: 0, maxBOF: 4 }],
+            errors: [getExpectedErrorBOF(4)]
+        },
+        {
+            code: "\n\n// invalid 17\n\n\n\n\n\n\n\n\nvar a = 5;\n",
+            output: "\n// invalid 17\n\n\n\n\n\n\n\n\nvar a = 5;\n",
+            options: [{ max: 10, maxBOF: 1 }],
+            errors: [getExpectedErrorBOF(1)]
+        },
+        {
+            code: "\n// invalid 18\nvar a = 5;\n",
+            output: "// invalid 18\nvar a = 5;\n",
+            options: [{ max: 2, maxBOF: 0 }],
+            errors: [getExpectedErrorBOF(0)]
+        },
+        {
+            code: "\n\n\n// invalid 19\nvar a = 5;\n\n",
+            output: "// invalid 19\nvar a = 5;\n",
+            options: [{ max: 2, maxBOF: 0, maxEOF: 0 }],
+            errors: [getExpectedErrorBOF(0),
+                getExpectedErrorEOF(0)]
+        },
+        {
+            code: "// invalid 20\r\n// windows line endings\r\nvar a = 5;\r\nvar b = 3;\r\n\r\n\r\n",
+            output: "// invalid 20\r\n// windows line endings\r\nvar a = 5;\r\nvar b = 3;\r\n\r\n",
+            options: [{ max: 1 }],
+            errors: [getExpectedErrorEOF(1)]
+        },
+        {
+            code: "// invalid 21\n// unix line endings\nvar a = 5;\nvar b = 3;\n\n\n",
+            output: "// invalid 21\n// unix line endings\nvar a = 5;\nvar b = 3;\n\n",
+            options: [{ max: 1 }],
+            errors: [getExpectedErrorEOF(1)]
+        },
+        {
+            code:
+            "'foo';\n" +
+            "\n" +
+            "\n" +
+            "`bar`;\n" +
+            "`baz`;",
+            output:
+            "'foo';\n" +
+            "\n" +
+            "`bar`;\n" +
+            "`baz`;",
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [getExpectedError(1)]
+        },
+        {
+            code: "`template ${foo\n\n\n} literal`;",
+            output: "`template ${foo\n\n} literal`;",
+            options: [{ max: 1 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [getExpectedError(1)]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/7893
+            code: `a\n\n\n\n${"a".repeat(1e5)}`,
+            output: `a\n\n\n${"a".repeat(1e5)}`,
+            errors: [getExpectedError(2)]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/8401
+            code: "foo\n ",
+            output: "foo\n",
+            options: [{ max: 1, maxEOF: 0 }],
+            errors: [getExpectedErrorEOF(0)]
+        },
+        {
+
+            // https://github.com/eslint/eslint/pull/12594
+            code: "var a;\n\n\n\n\nvar b;",
+            output: "var a;\n\nvar b;",
+            options: [{ max: 1 }],
+            errors: [{
+                messageId: "consecutiveBlank",
+                data: {
+                    max: 1,
+                    pluralizedLines: "line"
+                },
+                type: "Program",
+                line: 3,
+                column: 1
+            }]
+        },
+        {
+
+            // https://github.com/eslint/eslint/pull/12594
+            code: "var a;\n\n\n\n\nvar b;",
+            output: "var a;\n\n\nvar b;",
+            options: [{ max: 2 }],
+            errors: [{
+                messageId: "consecutiveBlank",
+                data: {
+                    max: 2,
+                    pluralizedLines: "lines"
+                },
+                type: "Program",
+                line: 4,
+                column: 1
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-native-reassign.js b/eslint/tests/lib/rules/no-native-reassign.js
new file mode 100644
index 0000000..8bb14d7
--- /dev/null
+++ b/eslint/tests/lib/rules/no-native-reassign.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Tests for no-native-reassign rule.
+ * @author Ilya Volodin
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-native-reassign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-native-reassign", rule, {
+    valid: [
+        "string = 'hello world';",
+        "var string;",
+        { code: "Object = 0;", options: [{ exceptions: ["Object"] }] },
+        "top = 0;",
+        { code: "onload = 0;", env: { browser: true } },
+        "require = 0;",
+        { code: "a = 1", globals: { a: true } },
+        "/*global a:true*/ a = 1"
+    ],
+    invalid: [
+        { code: "String = 'hello world';", errors: [{ messageId: "nativeReassign", data: { name: "String" }, type: "Identifier" }] },
+        { code: "String++;", errors: [{ messageId: "nativeReassign", data: { name: "String" }, type: "Identifier" }] },
+        {
+            code: "({Object = 0, String = 0} = {});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "nativeReassign", data: { name: "Object" }, type: "Identifier" },
+                { messageId: "nativeReassign", data: { name: "String" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "top = 0;",
+            env: { browser: true },
+            errors: [{ messageId: "nativeReassign", data: { name: "top" }, type: "Identifier" }]
+        },
+        {
+            code: "require = 0;",
+            env: { node: true },
+            errors: [{ messageId: "nativeReassign", data: { name: "require" }, type: "Identifier" }]
+        },
+
+        // Notifications of readonly are moved from no-undef: https://github.com/eslint/eslint/issues/4504
+        { code: "/*global b:false*/ function f() { b = 1; }", errors: [{ messageId: "nativeReassign", data: { name: "b" }, type: "Identifier" }] },
+        { code: "function f() { b = 1; }", globals: { b: false }, errors: [{ messageId: "nativeReassign", data: { name: "b" }, type: "Identifier" }] },
+        { code: "/*global b:false*/ function f() { b++; }", errors: [{ messageId: "nativeReassign", data: { name: "b" }, type: "Identifier" }] },
+        { code: "/*global b*/ b = 1;", errors: [{ messageId: "nativeReassign", data: { name: "b" }, type: "Identifier" }] },
+        { code: "Array = 1;", errors: [{ messageId: "nativeReassign", data: { name: "Array" }, type: "Identifier" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-negated-condition.js b/eslint/tests/lib/rules/no-negated-condition.js
new file mode 100644
index 0000000..bd29b0b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-negated-condition.js
@@ -0,0 +1,84 @@
+/**
+ * @fileoverview Tests for no-negated-condition rule.
+ * @author Alberto Rodríguez
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-negated-condition"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-negated-condition", rule, {
+
+    // Examples of code that should not trigger the rule
+    valid: [
+        "if (a) {}",
+        "if (a) {} else {}",
+        "if (!a) {}",
+        "if (!a) {} else if (b) {}",
+        "if (!a) {} else if (b) {} else {}",
+        "if (a == b) {}",
+        "if (a == b) {} else {}",
+        "if (a != b) {}",
+        "if (a != b) {} else if (b) {}",
+        "if (a != b) {} else if (b) {} else {}",
+        "if (a !== b) {}",
+        "if (a === b) {} else {}",
+        "a ? b : c"
+    ],
+
+    // Examples of code that should trigger the rule
+    invalid: [
+        {
+            code: "if (!a) {;} else {;}",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "IfStatement"
+            }]
+        },
+        {
+            code: "if (a != b) {;} else {;}",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "IfStatement"
+            }]
+        },
+        {
+            code: "if (a !== b) {;} else {;}",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "IfStatement"
+            }]
+        },
+        {
+            code: "!a ? b : c",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "ConditionalExpression"
+            }]
+        },
+        {
+            code: "a != b ? c : d",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "ConditionalExpression"
+            }]
+        },
+        {
+            code: "a !== b ? c : d",
+            errors: [{
+                messageId: "unexpectedNegated",
+                type: "ConditionalExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-negated-in-lhs.js b/eslint/tests/lib/rules/no-negated-in-lhs.js
new file mode 100644
index 0000000..7cb9429
--- /dev/null
+++ b/eslint/tests/lib/rules/no-negated-in-lhs.js
@@ -0,0 +1,30 @@
+/**
+ * @fileoverview Tests for the no-negated-in-lhs rule
+ * @author Michael Ficarra
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-negated-in-lhs"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-negated-in-lhs", rule, {
+    valid: [
+        "a in b",
+        "!(a in b)"
+    ],
+    invalid: [
+        { code: "!a in b", errors: [{ messageId: "negatedLHS", type: "BinaryExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-nested-ternary.js b/eslint/tests/lib/rules/no-nested-ternary.js
new file mode 100644
index 0000000..01cbe01
--- /dev/null
+++ b/eslint/tests/lib/rules/no-nested-ternary.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Tests for the no-nested-ternary rule
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-nested-ternary"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-nested-ternary", rule, {
+    valid: [
+        "foo ? doBar() : doBaz();",
+        "var foo = bar === baz ? qux : quxx;"
+    ],
+    invalid: [
+        {
+            code: "foo ? bar : baz === qux ? quxx : foobar;",
+            errors: [{
+                messageId: "noNestedTernary",
+                type: "ConditionalExpression"
+            }]
+        },
+        {
+            code: "foo ? baz === qux ? quxx : foobar : bar;",
+            errors: [{
+                messageId: "noNestedTernary",
+                type: "ConditionalExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new-func.js b/eslint/tests/lib/rules/no-new-func.js
new file mode 100644
index 0000000..bcb35e3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new-func.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Tests for no-new-func rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new-func"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-new-func", rule, {
+    valid: [
+        "var a = new _function(\"b\", \"c\", \"return b+c\");",
+        "var a = _function(\"b\", \"c\", \"return b+c\");"
+    ],
+    invalid: [
+        {
+            code: "var a = new Function(\"b\", \"c\", \"return b+c\");",
+            errors: [{
+                messageId: "noFunctionConstructor",
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "var a = Function(\"b\", \"c\", \"return b+c\");",
+            errors: [{
+                messageId: "noFunctionConstructor",
+                type: "CallExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new-object.js b/eslint/tests/lib/rules/no-new-object.js
new file mode 100644
index 0000000..667da7c
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new-object.js
@@ -0,0 +1,34 @@
+/**
+ * @fileoverview Tests for the no-new-object rule
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new-object"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-new-object", rule, {
+    valid: [
+        "var foo = new foo.Object()"
+    ],
+    invalid: [
+        {
+            code: "var foo = new Object()",
+            errors: [{
+                messageId: "preferLiteral",
+                type: "NewExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new-require.js b/eslint/tests/lib/rules/no-new-require.js
new file mode 100644
index 0000000..8fb8b1a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new-require.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Tests for no-new-require rule.
+ * @author Wil Moore III
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new-require"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-new-require", rule, {
+    valid: [
+        "var appHeader = require('app-header')",
+        "var AppHeader = new (require('app-header'))",
+        "var AppHeader = new (require('headers').appHeader)"
+    ],
+    invalid: [
+        {
+            code: "var appHeader = new require('app-header')",
+            errors: [{
+                messageId: "noNewRequire",
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "var appHeader = new require('headers').appHeader",
+            errors: [{
+                messageId: "noNewRequire",
+                type: "NewExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new-symbol.js b/eslint/tests/lib/rules/no-new-symbol.js
new file mode 100644
index 0000000..4868592
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new-symbol.js
@@ -0,0 +1,37 @@
+/**
+ * @fileoverview Tests for the no-new-symbol rule
+ * @author Alberto Rodríguez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new-symbol"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ env: { es6: true } });
+
+ruleTester.run("no-new-symbol", rule, {
+    valid: [
+        "var foo = Symbol('foo');",
+        "function bar(Symbol) { var baz = new Symbol('baz');}",
+        "function Symbol() {} new Symbol();"
+    ],
+    invalid: [
+        {
+            code: "var foo = new Symbol('foo');",
+            errors: [{ messageId: "noNewSymbol" }]
+        },
+        {
+            code: "function bar() { return function Symbol() {}; } var baz = new Symbol('baz');",
+            errors: [{ messageId: "noNewSymbol" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new-wrappers.js b/eslint/tests/lib/rules/no-new-wrappers.js
new file mode 100644
index 0000000..57dba4e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new-wrappers.js
@@ -0,0 +1,58 @@
+/**
+ * @fileoverview Tests for no-new-wrappers rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new-wrappers"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-new-wrappers", rule, {
+    valid: [
+        "var a = new Object();",
+        "var a = String('test'), b = String.fromCharCode(32);"
+    ],
+    invalid: [
+        {
+            code: "var a = new String('hello');",
+            errors: [{
+                messageId: "noConstructor",
+                data: {
+                    fn: "String"
+                },
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "var a = new Number(10);",
+            errors: [{
+                messageId: "noConstructor",
+                data: {
+                    fn: "Number"
+                },
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "var a = new Boolean(false);",
+            errors: [{
+                messageId: "noConstructor",
+                data: {
+                    fn: "Boolean"
+                },
+                type: "NewExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-new.js b/eslint/tests/lib/rules/no-new.js
new file mode 100644
index 0000000..4aece10
--- /dev/null
+++ b/eslint/tests/lib/rules/no-new.js
@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Tests for no-new rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-new"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-new", rule, {
+    valid: [
+        "var a = new Date()",
+        "var a; if (a === new Date()) { a = false; }"
+    ],
+    invalid: [
+        {
+            code: "new Date()",
+            errors: [{
+                messageId: "noNewStatement",
+                type: "ExpressionStatement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-obj-calls.js b/eslint/tests/lib/rules/no-obj-calls.js
new file mode 100644
index 0000000..4c21d9b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-obj-calls.js
@@ -0,0 +1,320 @@
+/**
+ * @fileoverview Tests for no-obj-calls rule.
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-obj-calls"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-obj-calls", rule, {
+    valid: [
+        "var x = Math;",
+        "var x = Math.random();",
+        "var x = Math.PI;",
+        "var x = foo.Math();",
+        "var x = new foo.Math();",
+        "var x = new Math.foo;",
+        "var x = new Math.foo();",
+        "JSON.parse(foo)",
+        "new JSON.parse",
+        {
+            code: "Reflect.get(foo, 'x')",
+            env: { es6: true }
+        },
+        {
+            code: "new Reflect.foo(a, b)",
+            env: { es6: true }
+        },
+        {
+            code: "Atomics.load(foo, 0)",
+            env: { es2017: true }
+        },
+        {
+            code: "new Atomics.foo()",
+            env: { es2017: true }
+        },
+
+        { code: "globalThis.Math();", env: { es6: true } },
+        { code: "var x = globalThis.Math();", env: { es6: true } },
+        { code: "f(globalThis.Math());", env: { es6: true } },
+        { code: "globalThis.Math().foo;", env: { es6: true } },
+        { code: "var x = globalThis.JSON();", env: { es6: true } },
+        { code: "x = globalThis.JSON(str);", env: { es6: true } },
+        { code: "globalThis.Math( globalThis.JSON() );", env: { es6: true } },
+        { code: "var x = globalThis.Reflect();", env: { es6: true } },
+        { code: "var x = globalThis.Reflect();", env: { es2017: true } },
+        { code: "/*globals Reflect: true*/ globalThis.Reflect();", env: { es2017: true } },
+        { code: "var x = globalThis.Atomics();", env: { es2017: true } },
+        { code: "var x = globalThis.Atomics();", globals: { Atomics: false }, env: { es2017: true } },
+
+        // non-existing variables
+        "/*globals Math: off*/ Math();",
+        "/*globals Math: off*/ new Math();",
+        {
+            code: "JSON();",
+            globals: { JSON: "off" }
+        },
+        {
+            code: "new JSON();",
+            globals: { JSON: "off" }
+        },
+        "Reflect();",
+        "Atomics();",
+        "new Reflect();",
+        "new Atomics();",
+        {
+            code: "Atomics();",
+            env: { es6: true }
+        },
+
+        // shadowed variables
+        "var Math; Math();",
+        "var Math; new Math();",
+        {
+            code: "let JSON; JSON();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "let JSON; new JSON();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "if (foo) { const Reflect = 1; Reflect(); }",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { es6: true }
+        },
+        {
+            code: "if (foo) { const Reflect = 1; new Reflect(); }",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { es6: true }
+        },
+        "function foo(Math) { Math(); }",
+        "function foo(JSON) { new JSON(); }",
+        {
+            code: "function foo(Atomics) { Atomics(); }",
+            env: { es2017: true }
+        },
+        {
+            code: "function foo() { if (bar) { let Atomics; if (baz) { new Atomics(); } } }",
+            parserOptions: { ecmaVersion: 2015 },
+            env: { es2017: true }
+        },
+        "function foo() { var JSON; JSON(); }",
+        {
+            code: "function foo() { var Atomics = bar(); var baz = Atomics(5); }",
+            globals: { Atomics: false }
+        },
+        {
+            code: "var construct = typeof Reflect !== \"undefined\" ? Reflect.construct : undefined; construct();",
+            globals: { Reflect: false }
+        }
+    ],
+    invalid: [
+        {
+            code: "Math();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = Math();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression" }]
+        },
+        {
+            code: "f(Math());",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 3, endColumn: 9 }]
+        },
+        {
+            code: "Math().foo;",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 1, endColumn: 7 }]
+        },
+        {
+            code: "new Math;",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "new Math();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "new Math(foo);",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "new Math().foo;",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "(new Math).foo();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "var x = JSON();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "x = JSON(str);",
+            errors: [{ messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new JSON();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "JSON" }, type: "NewExpression" }]
+        },
+        {
+            code: "Math( JSON() );",
+            errors: [
+                { messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 1, endColumn: 15 },
+                { messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression", column: 7, endColumn: 13 }
+            ]
+        },
+        {
+            code: "var x = Reflect();",
+            env: { es6: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new Reflect();",
+            env: { es6: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "NewExpression" }]
+        },
+        {
+            code: "var x = Reflect();",
+            env: { es2017: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "CallExpression" }]
+        },
+        {
+            code: "/*globals Reflect: true*/ Reflect();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "CallExpression" }]
+        },
+        {
+            code: "/*globals Reflect: true*/ new Reflect();",
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "NewExpression" }]
+        },
+        {
+            code: "var x = Atomics();",
+            env: { es2017: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new Atomics();",
+            env: { es2017: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "NewExpression" }]
+        },
+        {
+            code: "var x = Atomics();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = Atomics();",
+            globals: { Atomics: false },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new Atomics();",
+            globals: { Atomics: "writable" },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "NewExpression" }]
+        },
+        {
+            code: "var x = globalThis.Math();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new globalThis.Math();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression" }]
+        },
+        {
+            code: "f(globalThis.Math());",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 3, endColumn: 20 }]
+        },
+        {
+            code: "globalThis.Math().foo;",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 1, endColumn: 18 }]
+        },
+        {
+            code: "new globalThis.Math().foo;",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Math" }, type: "NewExpression", column: 1, endColumn: 22 }]
+        },
+        {
+            code: "var x = globalThis.JSON();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "x = globalThis.JSON(str);",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "globalThis.Math( globalThis.JSON() );",
+            env: { es2020: true },
+            errors: [
+                { messageId: "unexpectedCall", data: { name: "Math" }, type: "CallExpression", column: 1, endColumn: 37 },
+                { messageId: "unexpectedCall", data: { name: "JSON" }, type: "CallExpression", column: 18, endColumn: 35 }
+            ]
+        },
+        {
+            code: "var x = globalThis.Reflect();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = new globalThis.Reflect;",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "NewExpression" }]
+        },
+        {
+            code: "/*globals Reflect: true*/ Reflect();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Reflect" }, type: "CallExpression" }]
+        },
+        {
+            code: "var x = globalThis.Atomics();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedCall", data: { name: "Atomics" }, type: "CallExpression" }]
+        },
+        {
+            code: "var foo = bar ? baz: JSON; foo();",
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "var foo = bar ? baz: JSON; new foo();",
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "JSON" }, type: "NewExpression" }]
+        },
+        {
+            code: "var foo = bar ? baz: globalThis.JSON; foo();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "JSON" }, type: "CallExpression" }]
+        },
+        {
+            code: "var foo = bar ? baz: globalThis.JSON; new foo();",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "JSON" }, type: "NewExpression" }]
+        },
+        {
+            code: "var foo = window.Atomics; foo();",
+            env: { es2020: true, browser: true },
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "Atomics" }, type: "CallExpression" }]
+        },
+        {
+            code: "var foo = window.Atomics; new foo;",
+            env: { es2020: true, browser: true },
+            errors: [{ messageId: "unexpectedRefCall", data: { name: "foo", ref: "Atomics" }, type: "NewExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-octal-escape.js b/eslint/tests/lib/rules/no-octal-escape.js
new file mode 100644
index 0000000..d36f3fc
--- /dev/null
+++ b/eslint/tests/lib/rules/no-octal-escape.js
@@ -0,0 +1,129 @@
+/* eslint no-octal-escape: 0 */
+/**
+ * @fileoverview Tests for no-octal-escape rule.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-octal-escape"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-octal-escape", rule, {
+    valid: [
+        "var foo = \"\\x51\";",
+        "var foo = \"foo \\\\251 bar\";",
+        "var foo = /([abc]) \\1/g;",
+        "var foo = '\\0';",
+        "'\\0'",
+        "'\\8'",
+        "'\\9'",
+        "'\\0 '",
+        "' \\0'",
+        "'a\\0'",
+        "'\\0a'",
+        "'a\\8a'",
+        "'\\0\\8'",
+        "'\\8\\0'",
+        "'\\80'",
+        "'\\81'",
+        "'\\\\'",
+        "'\\\\0'",
+        "'\\\\08'",
+        "'\\\\1'",
+        "'\\\\01'",
+        "'\\\\12'",
+        "'\\\\\\0'",
+        "'\\\\\\8'",
+        "'\\0\\\\'",
+        "'0'",
+        "'1'",
+        "'8'",
+        "'01'",
+        "'08'",
+        "'80'",
+        "'12'",
+        "'\\a'",
+        "'\\n'"
+    ],
+    invalid: [
+
+        { code: "var foo = \"foo \\01 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\000 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "000" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\377 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "377" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\378 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "37" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\37a bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "37" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\381 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "3" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\3a1 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "3" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\251 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "251" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\258 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "25" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\25a bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "25" }, type: "Literal" }] },
+        { code: "var foo = \"\\3s51\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "3" }, type: "Literal" }] },
+        { code: "var foo = \"\\77\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "77" }, type: "Literal" }] },
+        { code: "var foo = \"\\78\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "7" }, type: "Literal" }] },
+        { code: "var foo = \"\\5a\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "5" }, type: "Literal" }] },
+        { code: "var foo = \"\\751\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "75" }, type: "Literal" }] },
+        { code: "var foo = \"foo \\400 bar\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "40" }, type: "Literal" }] },
+
+        { code: "var foo = \"\\t\\1\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "var foo = \"\\\\\\751\";", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "75" }, type: "Literal" }] },
+
+        { code: "'\\0\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\0 \\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\0\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\0 \\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\0a\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\0a\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\0\\08'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+
+        { code: "'\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\2'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "2" }, type: "Literal" }] },
+        { code: "'\\7'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "7" }, type: "Literal" }] },
+        { code: "'\\00'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "00" }, type: "Literal" }] },
+        { code: "'\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\02'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "02" }, type: "Literal" }] },
+        { code: "'\\07'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "07" }, type: "Literal" }] },
+        { code: "'\\08'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+        { code: "'\\09'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+        { code: "'\\10'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "10" }, type: "Literal" }] },
+        { code: "'\\12'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "12" }, type: "Literal" }] },
+        { code: "' \\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\1 '", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'a\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\1a'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'a\\1a'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "' \\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\01 '", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'a\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\01a'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'a\\01a'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'a\\08a'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+        { code: "'\\n\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\n\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\n\\08'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+        { code: "'\\\\\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+        { code: "'\\\\\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\\\\\08'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+
+        // Multiline string
+        { code: "'\\\n\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] },
+
+        // Only the first one is reported
+        { code: "'\\01\\02'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\02\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "02" }, type: "Literal" }] },
+        { code: "'\\01\\2'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "01" }, type: "Literal" }] },
+        { code: "'\\2\\01'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "2" }, type: "Literal" }] },
+        { code: "'\\08\\1'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "0" }, type: "Literal" }] },
+        { code: "'foo \\1 bar \\2'", errors: [{ messageId: "octalEscapeSequence", data: { sequence: "1" }, type: "Literal" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-octal.js b/eslint/tests/lib/rules/no-octal.js
new file mode 100644
index 0000000..dd2839e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-octal.js
@@ -0,0 +1,109 @@
+/**
+ * @fileoverview Tests for no-octal rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-octal"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-octal", rule, {
+    valid: [
+        "var a = 'hello world';",
+        "0x1234",
+        "0X5;",
+        "a = 0;",
+        "0.1",
+        "0.5e1"
+    ],
+    invalid: [
+        {
+            code: "var a = 01234;",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "a = 1 + 01234;",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "00",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "08",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "09.1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "09e1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "09.1e1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "018",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "019.1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "019e1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        },
+        {
+            code: "019.1e1",
+            errors: [{
+                messageId: "noOcatal",
+                type: "Literal"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-param-reassign.js b/eslint/tests/lib/rules/no-param-reassign.js
new file mode 100644
index 0000000..a79249d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-param-reassign.js
@@ -0,0 +1,373 @@
+/**
+ * @fileoverview Disallow reassignment of function parameters.
+ * @author Nat Burns
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-param-reassign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-param-reassign", rule, {
+
+    valid: [
+        "function foo(a) { var b = a; }",
+        "function foo(a) { for (b in a); }",
+        { code: "function foo(a) { for (b of a); }", parserOptions: { ecmaVersion: 6 } },
+        "function foo(a) { a.prop = 'value'; }",
+        "function foo(a) { for (a.prop in obj); }",
+        { code: "function foo(a) { for (a.prop of arr); }", parserOptions: { ecmaVersion: 6 } },
+        "function foo(a) { (function() { var a = 12; a++; })(); }",
+        "function foo() { someGlobal = 13; }",
+        { code: "function foo() { someGlobal = 13; }", globals: { someGlobal: false } },
+        "function foo(a) { a.b = 0; }",
+        "function foo(a) { delete a.b; }",
+        "function foo(a) { ++a.b; }",
+        { code: "function foo(a) { [a.b] = []; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { bar(a.b).c = 0; }", options: [{ props: true }] },
+        { code: "function foo(a) { data[a.b] = 0; }", options: [{ props: true }] },
+        { code: "function foo(a) { +a.b; }", options: [{ props: true }] },
+        { code: "function foo(a) { (a ? [] : [])[0] = 1; }", options: [{ props: true }] },
+        { code: "function foo(a) { (a.b ? [] : [])[0] = 1; }", options: [{ props: true }] },
+        { code: "function foo(a) { a.b = 0; }", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
+        { code: "function foo(a) { ++a.b; }", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
+        { code: "function foo(a) { delete a.b; }", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
+        { code: "function foo(a) { for (a.b in obj); }", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
+        { code: "function foo(a) { for (a.b of arr); }", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a, z) { a.b = 0; x.y = 0; }", options: [{ props: true, ignorePropertyModificationsFor: ["a", "x"] }] },
+        { code: "function foo(a) { a.b.c = 0;}", options: [{ props: true, ignorePropertyModificationsFor: ["a"] }] },
+        { code: "function foo(aFoo) { aFoo.b = 0; }", options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$"] }] },
+        { code: "function foo(aFoo) { ++aFoo.b; }", options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$"] }] },
+        { code: "function foo(aFoo) { delete aFoo.b; }", options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$"] }] },
+        { code: "function foo(a, z) { aFoo.b = 0; x.y = 0; }", options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$", "^x.*$"] }] },
+        { code: "function foo(aFoo) { aFoo.b.c = 0;}", options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$"] }] },
+        {
+            code: "function foo(a) { ({ [a]: variable } = value) }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo(a) { ([...a.b] = obj); }",
+            options: [{ props: false }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "function foo(a) { ({...a.b} = obj); }",
+            options: [{ props: false }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "function foo(a) { for (obj[a.b] in obj); }",
+            options: [{ props: true }]
+        },
+        {
+            code: "function foo(a) { for (obj[a.b] of arr); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo(a) { for (bar in a.b); }",
+            options: [{ props: true }]
+        },
+        {
+            code: "function foo(a) { for (bar of a.b); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo(a) { for (bar in baz) a.b; }",
+            options: [{ props: true }]
+        },
+        {
+            code: "function foo(a) { for (bar of baz) a.b; }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo(bar, baz) { bar.a = true; baz.b = false; }",
+            options: [{
+                props: true,
+                ignorePropertyModificationsForRegex: ["^(foo|bar)$"],
+                ignorePropertyModificationsFor: ["baz"]
+            }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "function foo(bar) { bar = 13; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { bar += 13; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { (function() { bar = 13; })(); }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { ++bar; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { bar++; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { --bar; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { bar--; }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo({bar}) { bar = 13; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo([, {bar}]) { bar = 13; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { ({bar} = {}); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { ({x: [, bar = 0]} = {}); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { for (bar in baz); }",
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { for (bar of baz); }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: { name: "bar" }
+            }]
+        },
+
+        {
+            code: "function foo(bar) { bar.a = 0; }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { bar.get(0).a = 0; }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { delete bar.a; }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { ++bar.a; }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { for (bar.a in {}); }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { for (bar.a of []); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { (bar ? bar : [])[0] = 1; }",
+            options: [{ props: true }],
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { [bar.a] = []; }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { [bar.a] = []; }",
+            options: [{ props: true, ignorePropertyModificationsFor: ["a"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { [bar.a] = []; }",
+            options: [{ props: true, ignorePropertyModificationsForRegex: ["^a.*$"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { [bar.a] = []; }",
+            options: [{ props: true, ignorePropertyModificationsForRegex: ["^B.*$"] }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(bar) { ({foo: bar.a} = {}); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "bar" }
+            }]
+        },
+        {
+            code: "function foo(a) { ({a} = obj); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: {
+                    name: "a"
+                }
+            }]
+        },
+        {
+            code: "function foo(a) { ([...a] = obj); }",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: {
+                    name: "a"
+                }
+            }]
+        },
+        {
+            code: "function foo(a) { ({...a} = obj); }",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                messageId: "assignmentToFunctionParam",
+                data: {
+                    name: "a"
+                }
+            }]
+        },
+        {
+            code: "function foo(a) { ([...a.b] = obj); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "a" }
+            }]
+        },
+        {
+            code: "function foo(a) { ({...a.b} = obj); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "a" }
+            }]
+        },
+        {
+            code: "function foo(a) { for ({bar: a.b} in {}); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "a" }
+            }]
+        },
+        {
+            code: "function foo(a) { for ([a.b] of []); }",
+            options: [{ props: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "assignmentToFunctionParamProp",
+                data: { name: "a" }
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-path-concat.js b/eslint/tests/lib/rules/no-path-concat.js
new file mode 100644
index 0000000..ffd474e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-path-concat.js
@@ -0,0 +1,59 @@
+/**
+ * @fileoverview Disallow string concatenation when using __dirname and __filename
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-path-concat"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-path-concat", rule, {
+
+    valid: [
+        "var fullPath = dirname + \"foo.js\";",
+        "var fullPath = __dirname == \"foo.js\";",
+        "if (fullPath === __dirname) {}",
+        "if (__dirname === fullPath) {}"
+    ],
+
+    invalid: [
+        {
+            code: "var fullPath = __dirname + \"/foo.js\";",
+            errors: [{
+                messageId: "usePathFunctions",
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "var fullPath = __filename + \"/foo.js\";",
+            errors: [{
+                messageId: "usePathFunctions",
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "var fullPath = \"/foo.js\" + __filename;",
+            errors: [{
+                messageId: "usePathFunctions",
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "var fullPath = \"/foo.js\" + __dirname;",
+            errors: [{
+                messageId: "usePathFunctions",
+                type: "BinaryExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-plusplus.js b/eslint/tests/lib/rules/no-plusplus.js
new file mode 100644
index 0000000..af3b62f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-plusplus.js
@@ -0,0 +1,170 @@
+/**
+ * @fileoverview Tests for no-plusplus.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-plusplus"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-plusplus", rule, {
+    valid: [
+        "var foo = 0; foo=+1;",
+
+        // With "allowForLoopAfterthoughts" allowed
+        { code: "var foo = 0; foo=+1;", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (i = 0; i < l; i++) { console.log(i); }", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (var i = 0, j = i + 1; j < example.length; i++, j++) {}", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; i--, foo());", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; foo(), --i);", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; foo(), ++i, bar);", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; i++, (++j, k--));", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; foo(), (bar(), i++), baz());", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; (--i, j += 2), bar = j + 1);", options: [{ allowForLoopAfterthoughts: true }] },
+        { code: "for (;; a, (i--, (b, ++j, c)), d);", options: [{ allowForLoopAfterthoughts: true }] }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = 0; foo++;",
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "var foo = 0; foo--;",
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "--"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (i = 0; i < l; i++) { console.log(i); }",
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (i = 0; i < l; foo, i++) { console.log(i); }",
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+
+        // With "allowForLoopAfterthoughts" allowed
+        {
+            code: "var foo = 0; foo++;",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (i = 0; i < l; i++) { v++; }",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (i++;;);",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (;--i;);",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "--"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (;;) ++i;",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (;; i = j++);",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (;; i++, f(--j));",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "--"
+                },
+                type: "UpdateExpression"
+            }]
+        },
+        {
+            code: "for (;; foo + (i++, bar));",
+            options: [{ allowForLoopAfterthoughts: true }],
+            errors: [{
+                messageId: "unexpectedUnaryOp",
+                data: {
+                    operator: "++"
+                },
+                type: "UpdateExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-process-env.js b/eslint/tests/lib/rules/no-process-env.js
new file mode 100644
index 0000000..9c6724b
--- /dev/null
+++ b/eslint/tests/lib/rules/no-process-env.js
@@ -0,0 +1,52 @@
+/**
+ * @fileoverview Tests for no-process-env rule.
+ * @author Vignesh Anand
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-process-env"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-process-env", rule, {
+
+    valid: [
+        "Process.env",
+        "process[env]",
+        "process.nextTick",
+        "process.execArgv"
+    ],
+
+    invalid: [
+        {
+            code: "process.env",
+            errors: [{
+                messageId: "unexpectedProcessEnv",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "process.env.ENV",
+            errors: [{
+                messageId: "unexpectedProcessEnv",
+                type: "MemberExpression"
+            }]
+        },
+        {
+            code: "f(process.env)",
+            errors: [{
+                messageId: "unexpectedProcessEnv",
+                type: "MemberExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-process-exit.js b/eslint/tests/lib/rules/no-process-exit.js
new file mode 100644
index 0000000..6637ae3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-process-exit.js
@@ -0,0 +1,51 @@
+/**
+ * @fileoverview Disallow the use of process.exit()
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-process-exit"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-process-exit", rule, {
+
+    valid: [
+        "Process.exit()",
+        "var exit = process.exit;",
+        "f(process.exit)"
+    ],
+
+    invalid: [
+        {
+            code: "process.exit(0);",
+            errors: [{
+                messageId: "noProcessExit",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "process.exit(1);",
+            errors: [{
+                messageId: "noProcessExit",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "f(process.exit(1));",
+            errors: [{
+                messageId: "noProcessExit",
+                type: "CallExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-proto.js b/eslint/tests/lib/rules/no-proto.js
new file mode 100644
index 0000000..3e0e7e0
--- /dev/null
+++ b/eslint/tests/lib/rules/no-proto.js
@@ -0,0 +1,34 @@
+/**
+ * @fileoverview Tests for no-proto rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-proto"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-proto", rule, {
+    valid: [
+        "var a = test[__proto__];",
+        "var __proto__ = null;",
+        { code: "foo[`__proto`] = null;", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo[`__proto__\n`] = null;", parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        { code: "var a = test.__proto__;", errors: [{ messageId: "unexpectedProto", type: "MemberExpression" }] },
+        { code: "var a = test['__proto__'];", errors: [{ messageId: "unexpectedProto", type: "MemberExpression" }] },
+        { code: "var a = test[`__proto__`];", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedProto", type: "MemberExpression" }] },
+        { code: "test[`__proto__`] = function () {};", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedProto", type: "MemberExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-prototype-builtins.js b/eslint/tests/lib/rules/no-prototype-builtins.js
new file mode 100644
index 0000000..e4f0fa3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-prototype-builtins.js
@@ -0,0 +1,103 @@
+/**
+ * @fileoverview Tests for no-prototype-built-ins
+ * @author Andrew Levine
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-prototype-builtins"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+const ruleTester = new RuleTester();
+
+const valid = [
+    { code: "Object.prototype.hasOwnProperty.call(foo, 'bar')" },
+    { code: "Object.prototype.isPrototypeOf.call(foo, 'bar')" },
+    { code: "Object.prototype.propertyIsEnumerable.call(foo, 'bar')" },
+    { code: "Object.prototype.hasOwnProperty.apply(foo, ['bar'])" },
+    { code: "Object.prototype.isPrototypeOf.apply(foo, ['bar'])" },
+    { code: "Object.prototype.propertyIsEnumerable.apply(foo, ['bar'])" },
+    { code: "hasOwnProperty(foo, 'bar')" },
+    { code: "isPrototypeOf(foo, 'bar')" },
+    { code: "propertyIsEnumerable(foo, 'bar')" },
+    { code: "({}.hasOwnProperty.call(foo, 'bar'))" },
+    { code: "({}.isPrototypeOf.call(foo, 'bar'))" },
+    { code: "({}.propertyIsEnumerable.call(foo, 'bar'))" },
+    { code: "({}.hasOwnProperty.apply(foo, ['bar']))" },
+    { code: "({}.isPrototypeOf.apply(foo, ['bar']))" },
+    { code: "({}.propertyIsEnumerable.apply(foo, ['bar']))" }
+];
+
+const invalid = [
+    {
+        code: "foo.hasOwnProperty('bar')",
+        errors: [{
+            line: 1,
+            column: 5,
+            endLine: 1,
+            endColumn: 19,
+            messageId: "prototypeBuildIn",
+            data: { prop: "hasOwnProperty" },
+            type: "CallExpression"
+        }]
+    },
+    {
+        code: "foo.isPrototypeOf('bar')",
+        errors: [{
+            line: 1,
+            column: 5,
+            endLine: 1,
+            endColumn: 18,
+            messageId: "prototypeBuildIn",
+            data: { prop: "isPrototypeOf" },
+            type: "CallExpression"
+        }]
+    },
+    {
+        code: "foo.propertyIsEnumerable('bar')",
+        errors: [{
+            line: 1,
+            column: 5,
+            endLine: 1,
+            endColumn: 25,
+            messageId: "prototypeBuildIn",
+            data: { prop: "propertyIsEnumerable" }
+        }]
+    },
+    {
+        code: "foo.bar.hasOwnProperty('bar')",
+        errors: [{
+            line: 1,
+            column: 9,
+            endLine: 1,
+            endColumn: 23,
+            messageId: "prototypeBuildIn",
+            data: { prop: "hasOwnProperty" },
+            type: "CallExpression"
+        }]
+    },
+    {
+        code: "foo.bar.baz.isPrototypeOf('bar')",
+        errors: [{
+            line: 1,
+            column: 13,
+            endLine: 1,
+            endColumn: 26,
+            messageId: "prototypeBuildIn",
+            data: { prop: "isPrototypeOf" },
+            type: "CallExpression"
+        }]
+    }
+];
+
+ruleTester.run("no-prototype-builtins", rule, {
+    valid,
+    invalid
+});
diff --git a/eslint/tests/lib/rules/no-redeclare.js b/eslint/tests/lib/rules/no-redeclare.js
new file mode 100644
index 0000000..f6293b7
--- /dev/null
+++ b/eslint/tests/lib/rules/no-redeclare.js
@@ -0,0 +1,528 @@
+/**
+ * @fileoverview Tests for no-redeclare rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path");
+const rule = require("../../../lib/rules/no-redeclare");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const looseParserPath = path.resolve(__dirname, "../../tools/loose-parser.js");
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-redeclare", rule, {
+    valid: [
+        "var a = 3; var b = function() { var a = 10; };",
+        "var a = 3; a = 10;",
+        {
+            code: "if (true) {\n    let b = 2;\n} else {    \nlet b = 3;\n}",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        { code: "var Object = 0;", options: [{ builtinGlobals: false }] },
+        { code: "var Object = 0;", options: [{ builtinGlobals: true }], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var Object = 0;", options: [{ builtinGlobals: true }], parserOptions: { ecmaFeatures: { globalReturn: true } } },
+        { code: "var top = 0;", options: [{ builtinGlobals: true }] },
+        { code: "var top = 0;", options: [{ builtinGlobals: true }], parserOptions: { ecmaFeatures: { globalReturn: true } }, env: { browser: true } },
+        { code: "var top = 0;", options: [{ builtinGlobals: true }], parserOptions: { ecmaVersion: 6, sourceType: "module" }, env: { browser: true } },
+        {
+            code: "var self = 1",
+            options: [{ builtinGlobals: true }],
+            env: { browser: false }
+        },
+        { code: "var glovalThis = foo", options: [{ builtinGlobals: true }], env: { es6: true } },
+        { code: "var glovalThis = foo", options: [{ builtinGlobals: true }], env: { es2017: true } },
+
+        // Comments and built-ins.
+        {
+            code: "/*globals Array */",
+            options: [{ builtinGlobals: false }]
+        },
+        {
+            code: "/*globals a */",
+            options: [{ builtinGlobals: false }],
+            globals: { a: "readonly" }
+        },
+        {
+            code: "/*globals a */",
+            options: [{ builtinGlobals: false }],
+            globals: { a: "writable" }
+        },
+        {
+            code: "/*globals a:off */",
+            options: [{ builtinGlobals: true }],
+            globals: { a: "readonly" }
+        },
+        {
+            code: "/*globals a */",
+            options: [{ builtinGlobals: true }],
+            globals: { a: "off" }
+        }
+    ],
+    invalid: [
+        { code: "var a = 3; var a = 10;", parserOptions: { ecmaVersion: 6 }, errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "switch(foo) { case a: var b = 3;\ncase b: var b = 4}", errors: [{ message: "'b' is already defined.", type: "Identifier" }] },
+        { code: "var a = 3; var a = 10;", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a = {}; var a = [];", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a; function a() {}", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "function a() {} function a() {}", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a = function() { }; var a = function() { }", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a = function() { }; var a = new Date();", errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a = 3; var a = 10; var a = 15;", errors: [{ message: "'a' is already defined.", type: "Identifier" }, { message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "var a; var a;", parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        { code: "export var a; var a;", parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [{ message: "'a' is already defined.", type: "Identifier" }] },
+        {
+            code: "var Object = 0;",
+            options: [{ builtinGlobals: true }],
+            errors: [{ message: "'Object' is already defined as a built-in global variable.", type: "Identifier" }]
+        },
+        {
+            code: "var top = 0;",
+            options: [{ builtinGlobals: true }],
+            env: { browser: true },
+            errors: [{ message: "'top' is already defined as a built-in global variable.", type: "Identifier" }]
+        },
+        {
+            code: "var a; var {a = 0, b: Object = 0} = {};",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" },
+                { message: "'Object' is already defined as a built-in global variable.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "var a; var {a = 0, b: Object = 0} = {};",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "var a; var {a = 0, b: Object = 0} = {};",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "var a; var {a = 0, b: Object = 0} = {};",
+            options: [{ builtinGlobals: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "var globalThis = 0;",
+            options: [{ builtinGlobals: true }],
+            env: { es2020: true },
+            errors: [{ message: "'globalThis' is already defined as a built-in global variable.", type: "Identifier" }]
+        },
+        {
+            code: "var a; var {a = 0, b: globalThis = 0} = {};",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6 },
+            env: { es2020: true },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" },
+                { message: "'globalThis' is already defined as a built-in global variable.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "/*global b:false*/ var b = 1;",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'b' is already defined by a variable declaration.",
+                type: "Block",
+                line: 1,
+                column: 10,
+                endLine: 1,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "/*global b:true*/ var b = 1;",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'b' is already defined by a variable declaration.",
+                type: "Block",
+                line: 1,
+                column: 10,
+                endLine: 1,
+                endColumn: 11
+            }]
+        },
+        {
+            code: "function f() { var a; var a; }",
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "function f(a) { var a; }",
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "function f() { var a; if (test) { var a; } }",
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "for (var a, a;;);",
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+
+        {
+            code: "var Object = 0;",
+            errors: [
+                { message: "'Object' is already defined as a built-in global variable.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "var top = 0;",
+            env: { browser: true },
+            errors: [
+                { message: "'top' is already defined as a built-in global variable.", type: "Identifier" }
+            ]
+        },
+
+        // let/const
+        {
+            code: "let a; let a;",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let a; let a;",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015, sourceType: "module" },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let a; let a;",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let a; const a = 0;",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "const a = 0; const a = 0;",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "if (test) { let a; let a; }",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "switch (test) { case 0: let a; let a; }",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "for (let a, a;;);",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "for (let [a, a] in xs);",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "for (let [a, a] of xs);",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "function f() { let a; let a; }",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "function f(a) { let a; }",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "function f() { if (test) { let a; let a; } }",
+            parser: looseParserPath,
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                { message: "'a' is already defined.", type: "Identifier" }
+            ]
+        },
+
+        // Comments and built-ins.
+        {
+            code: "/*globals Array */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "/*globals parseInt */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'parseInt' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 19
+            }]
+        },
+        {
+            code: "/*globals foo, Array */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 16,
+                endLine: 1,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "/* globals foo, Array, baz */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 17,
+                endLine: 1,
+                endColumn: 22
+            }]
+        },
+        {
+            code: "/*global foo, Array, baz*/",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 15,
+                endLine: 1,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "/*global array, Array*/",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 17,
+                endLine: 1,
+                endColumn: 22
+            }]
+        },
+        {
+            code: "/*globals a,Array*/",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 13,
+                endLine: 1,
+                endColumn: 18
+            }]
+        },
+        {
+            code: "/*globals a:readonly, Array:writable */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 23,
+                endLine: 1,
+                endColumn: 28
+            }]
+        },
+        {
+            code: "\n/*globals Array */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 2,
+                column: 11,
+                endLine: 2,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "/*globals\nArray */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "\n/*globals\n\nArray*/",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 4,
+                column: 1,
+                endLine: 4,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "/*globals foo,\n    Array */",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                message: "'Array' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 2,
+                column: 5,
+                endLine: 2,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "/*globals a */",
+            options: [{ builtinGlobals: true }],
+            globals: { a: "readonly" },
+            errors: [{
+                message: "'a' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 12
+            }]
+        },
+        {
+            code: "/*globals a */",
+            options: [{ builtinGlobals: true }],
+            globals: { a: "writable" },
+            errors: [{
+                message: "'a' is already defined as a built-in global variable.",
+                type: "Block",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 12
+            }]
+        },
+        {
+            code: "/*globals a */ /*globals a */",
+            errors: [{
+                message: "'a' is already defined.",
+                type: "Block",
+                line: 1,
+                column: 26,
+                endLine: 1,
+                endColumn: 27
+            }]
+        },
+        {
+            code: "/*globals a */ /*globals a */ var a = 0",
+            options: [{ builtinGlobals: true }],
+            globals: { a: "writable" },
+            errors: [
+                {
+                    message: "'a' is already defined as a built-in global variable.",
+                    type: "Block",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    message: "'a' is already defined as a built-in global variable.",
+                    type: "Block",
+                    line: 1,
+                    column: 26,
+                    endLine: 1,
+                    endColumn: 27
+                },
+                {
+                    message: "'a' is already defined as a built-in global variable.",
+                    type: "Identifier",
+                    line: 1,
+                    column: 35,
+                    endLine: 1,
+                    endColumn: 36
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-regex-spaces.js b/eslint/tests/lib/rules/no-regex-spaces.js
new file mode 100644
index 0000000..fdcd1ce
--- /dev/null
+++ b/eslint/tests/lib/rules/no-regex-spaces.js
@@ -0,0 +1,372 @@
+/**
+ * @fileoverview Tests for regex-spaces rule.
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-regex-spaces"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-regex-spaces", rule, {
+    valid: [
+        "var foo = /foo/;",
+        "var foo = RegExp('foo')",
+        "var foo = / /;",
+        "var foo = RegExp(' ')",
+        "var foo = / a b c d /;",
+        "var foo = /bar {3}baz/g;",
+        "var foo = RegExp('bar {3}baz', 'g')",
+        "var foo = new RegExp('bar {3}baz')",
+        "var foo = /bar\t\t\tbaz/;",
+        "var foo = RegExp('bar\t\t\tbaz');",
+        "var foo = new RegExp('bar\t\t\tbaz');",
+        "var RegExp = function() {}; var foo = new RegExp('bar   baz');",
+        "var RegExp = function() {}; var foo = RegExp('bar   baz');",
+        "var foo = /  +/;",
+        "var foo = /  ?/;",
+        "var foo = /  */;",
+        "var foo = /  {2}/;",
+
+        // don't report if there are no consecutive spaces in the source code
+        "var foo = /bar \\ baz/;",
+        "var foo = /bar\\ \\ baz/;",
+        "var foo = /bar \\u0020 baz/;",
+        "var foo = /bar\\u0020\\u0020baz/;",
+        "var foo = new RegExp('bar \\ baz')",
+        "var foo = new RegExp('bar\\ \\ baz')",
+        "var foo = new RegExp('bar \\\\ baz')",
+        "var foo = new RegExp('bar \\u0020 baz')",
+        "var foo = new RegExp('bar\\u0020\\u0020baz')",
+        "var foo = new RegExp('bar \\\\u0020 baz')",
+
+        // don't report spaces in character classes
+        "var foo = /[  ]/;",
+        "var foo = /[   ]/;",
+        "var foo = / [  ] /;",
+        "var foo = / [  ] [  ] /;",
+        "var foo = new RegExp('[  ]');",
+        "var foo = new RegExp('[   ]');",
+        "var foo = new RegExp(' [  ] ');",
+        "var foo = RegExp(' [  ] [  ] ');",
+        "var foo = new RegExp(' \\[   ');",
+        "var foo = new RegExp(' \\[   \\] ');",
+
+        // don't report invalid regex
+        "var foo = new RegExp('[  ');",
+        "var foo = new RegExp('{  ', 'u');"
+    ],
+
+    invalid: [
+        {
+            code: "var foo = /bar  baz/;",
+            output: "var foo = /bar {2}baz/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /bar    baz/;",
+            output: "var foo = /bar {4}baz/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "4" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = / a b  c d /;",
+            output: "var foo = / a b {2}c d /;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp(' a b c d  ');",
+            output: "var foo = RegExp(' a b c d {2}');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp('bar    baz');",
+            output: "var foo = RegExp('bar {4}baz');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "4" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = new RegExp('bar    baz');",
+            output: "var foo = new RegExp('bar {4}baz');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "4" },
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+
+            // `RegExp` is not shadowed in the scope where it's called
+            code: "{ let RegExp = function() {}; } var foo = RegExp('bar    baz');",
+            output: "{ let RegExp = function() {}; } var foo = RegExp('bar {4}baz');",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "4" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = /bar   {3}baz/;",
+            output: "var foo = /bar {2} {3}baz/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /bar    ?baz/;",
+            output: "var foo = /bar {3} ?baz/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "3" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = new RegExp('bar   *baz')",
+            output: "var foo = new RegExp('bar {2} *baz')",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp('bar   +baz')",
+            output: "var foo = RegExp('bar {2} +baz')",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = new RegExp('bar    ');",
+            output: "var foo = new RegExp('bar {4}');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "4" },
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = /bar\\  baz/;",
+            output: "var foo = /bar\\ {2}baz/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /[   ]  /;",
+            output: "var foo = /[   ] {2}/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /  [   ] /;",
+            output: "var foo = / {2}[   ] /;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = new RegExp('[   ]  ');",
+            output: "var foo = new RegExp('[   ] {2}');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp('  [ ]');",
+            output: "var foo = RegExp(' {2}[ ]');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = /\\[  /;",
+            output: "var foo = /\\[ {2}/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /\\[  \\]/;",
+            output: "var foo = /\\[ {2}\\]/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = /(?:  )/;",
+            output: "var foo = /(?: {2})/;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp('^foo(?=   )');",
+            output: "var foo = RegExp('^foo(?= {3})');",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "3" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = /\\  /",
+            output: "var foo = /\\ {2}/",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = / \\  /",
+            output: "var foo = / \\ {2}/",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+
+        // report only the first occurrence of consecutive spaces
+        {
+            code: "var foo = /  foo   /;",
+            output: "var foo = / {2}foo   /;",
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "Literal"
+                }
+            ]
+        },
+
+        // don't fix strings with escape sequences
+        {
+            code: "var foo = new RegExp('\\\\d  ')",
+            output: null,
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "NewExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = RegExp('\\u0041   ')",
+            output: null,
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "3" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = new RegExp('\\\\[  \\\\]');",
+            output: null,
+            errors: [
+                {
+                    messageId: "multipleSpaces",
+                    data: { length: "2" },
+                    type: "NewExpression"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-exports.js b/eslint/tests/lib/rules/no-restricted-exports.js
new file mode 100644
index 0000000..6d0e693
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-exports.js
@@ -0,0 +1,458 @@
+/**
+ * @fileoverview Tests for the no-restricted-exports rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-exports");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018, sourceType: "module" } });
+
+ruleTester.run("no-restricted-exports", rule, {
+    valid: [
+
+        // nothing configured
+        "export var a;",
+        "export function a() {}",
+        "export class A {}",
+        "var a; export { a };",
+        "var b; export { b as a };",
+        "export { a } from 'foo';",
+        "export { b as a } from 'foo';",
+        { code: "export var a;", options: [{}] },
+        { code: "export function a() {}", options: [{}] },
+        { code: "export class A {}", options: [{}] },
+        { code: "var a; export { a };", options: [{}] },
+        { code: "var b; export { b as a };", options: [{}] },
+        { code: "export { a } from 'foo';", options: [{}] },
+        { code: "export { b as a } from 'foo';", options: [{}] },
+        { code: "export var a;", options: [{ restrictedNamedExports: [] }] },
+        { code: "export function a() {}", options: [{ restrictedNamedExports: [] }] },
+        { code: "export class A {}", options: [{ restrictedNamedExports: [] }] },
+        { code: "var a; export { a };", options: [{ restrictedNamedExports: [] }] },
+        { code: "var b; export { b as a };", options: [{ restrictedNamedExports: [] }] },
+        { code: "export { a } from 'foo';", options: [{ restrictedNamedExports: [] }] },
+        { code: "export { b as a } from 'foo';", options: [{ restrictedNamedExports: [] }] },
+
+        // not a restricted name
+        { code: "export var a;", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export let a;", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export const a = 1;", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export function a() {}", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export function *a() {}", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export async function a() {}", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export async function *a() {}", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export class A {}", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "var a; export { a };", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "var b; export { b as a };", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export { a } from 'foo';", options: [{ restrictedNamedExports: ["x"] }] },
+        { code: "export { b as a } from 'foo';", options: [{ restrictedNamedExports: ["x"] }] },
+
+        // does not mistakenly disallow non-exported identifers that appear in named export declarations
+        { code: "export var b = a;", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export let [b = a] = [];", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export const [b] = [a];", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export var { a: b } = {};", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export let { b = a } = {};", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export const { c: b = a } = {};", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export function b(a) {}", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export class A { a(){} }", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export class A extends B {}", options: [{ restrictedNamedExports: ["B"] }] },
+        { code: "var a; export { a as b };", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export { a as b } from 'foo';", options: [{ restrictedNamedExports: ["a"] }] },
+
+        // does not check source in re-export declarations
+        { code: "export { b } from 'a';", options: [{ restrictedNamedExports: ["a"] }] },
+
+        // does not check non-export declarations
+        { code: "var a;", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "let a;", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "const a = 1;", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "function a() {}", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "class A {}", options: [{ restrictedNamedExports: ["A"] }] },
+        { code: "import a from 'foo';", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "import { a } from 'foo';", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "import { b as a } from 'foo';", options: [{ restrictedNamedExports: ["a"] }] },
+
+        // does not check re-export all declarations
+        { code: "export * from 'foo';", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export * from 'a';", options: [{ restrictedNamedExports: ["a"] }] },
+
+        // does not mistakenly disallow identifiers in export default declarations (a default export will export "default" name)
+        { code: "export default a;", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export default function a() {}", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export default class A {}", options: [{ restrictedNamedExports: ["A"] }] },
+        { code: "export default (function a() {});", options: [{ restrictedNamedExports: ["a"] }] },
+        { code: "export default (class A {});", options: [{ restrictedNamedExports: ["A"] }] },
+
+        // by design, restricted name "default" does not apply to default export declarations, although they do export the "default" name.
+        { code: "export default 1;", options: [{ restrictedNamedExports: ["default"] }] },
+
+        // "default" does not disallow re-exporting a renamed default export from another module
+        { code: "export { default as a } from 'foo';", options: [{ restrictedNamedExports: ["default"] }] }
+    ],
+
+    invalid: [
+
+        {
+            code: "export function someFunction() {}",
+            options: [{ restrictedNamedExports: ["someFunction"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "someFunction" }, type: "Identifier" }]
+        },
+
+        // basic tests
+        {
+            code: "export var a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export var a = 1;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export let a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export let a = 1;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export const a = 1;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export function a() {}",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export function *a() {}",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export async function a() {}",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export async function *a() {}",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export class A {}",
+            options: [{ restrictedNamedExports: ["A"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "A" }, type: "Identifier" }]
+        },
+        {
+            code: "let a; export { a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 17 }]
+        },
+        {
+            code: "export { a }; var a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 10 }]
+        },
+        {
+            code: "let b; export { b as a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export { a } from 'foo';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export { b as a } from 'foo';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+
+        // destructuring
+        {
+            code: "export var [a] = [];",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export let { a } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export const { b: a } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export var [{ a }] = [];",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export let { b: { c: a = d } = e } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+
+        // reports the correct identifier node in the case of a redeclaration. Note: functions cannot be redeclared in a module.
+        {
+            code: "var a; export var a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 19 }]
+        },
+        {
+            code: "export var a; var a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 12 }]
+        },
+
+        // reports the correct identifier node when the same identifier appears elsewhere in the declaration
+        {
+            code: "export var a = a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 12 }]
+        },
+        {
+            code: "export let b = a, a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 19 }]
+        },
+        {
+            code: "export const a = 1, b = a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 14 }]
+        },
+        {
+            code: "export var [a] = a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 13 }]
+        },
+        {
+            code: "export let { a: a } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 17 }]
+        },
+        {
+            code: "export const { a: b, b: a } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 25 }]
+        },
+        {
+            code: "export var { b: a, a: b } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 17 }]
+        },
+        {
+            code: "export let a, { a: b } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 12 }]
+        },
+        {
+            code: "export const { a: b } = {}, a = 1;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 29 }]
+        },
+        {
+            code: "export var [a = a] = [];",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 13 }]
+        },
+        {
+            code: "export var { a: a = a } = {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 17 }]
+        },
+        {
+            code: "export let { a } = { a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 14 }]
+        },
+        {
+            code: "export function a(a) {};",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 17 }]
+        },
+        {
+            code: "export class A { A(){} };",
+            options: [{ restrictedNamedExports: ["A"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "A" }, type: "Identifier", column: 14 }]
+        },
+        {
+            code: "var a; export { a as a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 22 }]
+        },
+        {
+            code: "let a, b; export { a as b, b as a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 33 }]
+        },
+        {
+            code: "const a = 1, b = 2; export { b as a, a as b };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 35 }]
+        },
+        {
+            code: "var a; export { a as b, a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 25 }]
+        },
+        {
+            code: "export { a as a } from 'a';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 15 }]
+        },
+        {
+            code: "export { a as b, b as a } from 'foo';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 23 }]
+        },
+        {
+            code: "export { b as a, a as b } from 'foo';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier", column: 15 }]
+        },
+
+        // Note: duplicate identifiers in the same export declaration are a 'duplicate export' syntax error. Example: export var a, a;
+
+        // invalid and valid or multiple ivalid in the same declaration
+        {
+            code: "export var a, b;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export let b, a;",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export const b = 1, a = 2;",
+            options: [{ restrictedNamedExports: ["a", "b"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export var a, b, c;",
+            options: [{ restrictedNamedExports: ["a", "c"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export let { a, b, c } = {};",
+            options: [{ restrictedNamedExports: ["b", "c"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export const [a, b, c, d] = {};",
+            options: [{ restrictedNamedExports: ["b", "c"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export var { a, x: b, c, d, e: y } = {}, e, f = {};",
+            options: [{ restrictedNamedExports: ["foo", "a", "b", "bar", "d", "e", "baz"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "d" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "e" }, type: "Identifier", column: 42 }
+            ]
+        },
+        {
+            code: "var a, b; export { a, b };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "let a, b; export { b, a };",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "const a = 1, b = 1; export { a, b };",
+            options: [{ restrictedNamedExports: ["a", "b"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export { a, b, c }; var a, b, c;",
+            options: [{ restrictedNamedExports: ["a", "c"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "export { b as a, b } from 'foo';",
+            options: [{ restrictedNamedExports: ["a"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "export { b as a, b } from 'foo';",
+            options: [{ restrictedNamedExports: ["b"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier", column: 18 }]
+        },
+        {
+            code: "export { b as a, b } from 'foo';",
+            options: [{ restrictedNamedExports: ["a", "b"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "a" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier", column: 18 }
+            ]
+        },
+        {
+            code: "export { a, b, c, d, x as e, f, g } from 'foo';",
+            options: [{ restrictedNamedExports: ["foo", "b", "bar", "d", "e", "f", "baz"] }],
+            errors: [
+                { messageId: "restrictedNamed", data: { name: "b" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "d" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "e" }, type: "Identifier" },
+                { messageId: "restrictedNamed", data: { name: "f" }, type: "Identifier" }
+            ]
+        },
+
+        // reports "default" in named export declarations (when configured)
+        {
+            code: "var a; export { a as default };",
+            options: [{ restrictedNamedExports: ["default"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "default" }, type: "Identifier", column: 22 }]
+        },
+        {
+            code: "export { default } from 'foo';",
+            options: [{ restrictedNamedExports: ["default"] }],
+            errors: [{ messageId: "restrictedNamed", data: { name: "default" }, type: "Identifier", column: 10 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-globals.js b/eslint/tests/lib/rules/no-restricted-globals.js
new file mode 100644
index 0000000..c8b5232
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-globals.js
@@ -0,0 +1,270 @@
+/**
+ * @fileoverview Tests for no-restricted-globals.
+ * @author Benoît Zugmeyer
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-globals"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const customMessage = "Use bar instead.";
+
+ruleTester.run("no-restricted-globals", rule, {
+    valid: [
+        "foo",
+        {
+            code: "foo",
+            options: ["bar"]
+        },
+        {
+            code: "var foo = 1;",
+            options: ["foo"]
+        },
+        {
+            code: "event",
+            options: ["bar"],
+            env: { browser: true }
+        },
+        {
+            code: "import foo from 'bar';",
+            options: ["foo"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "function foo() {}",
+            options: ["foo"]
+        },
+        {
+            code: "function fn() { var foo; }",
+            options: ["foo"]
+        },
+        {
+            code: "foo.bar",
+            options: ["bar"]
+        },
+        {
+            code: "foo",
+            options: [{ name: "bar", message: "Use baz instead." }]
+        }
+    ],
+    invalid: [
+        {
+            code: "foo",
+            options: ["foo"],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: ["foo"],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: ["foo"],
+            globals: { foo: false },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "event",
+            options: ["foo", "event"],
+            env: { browser: true },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "event" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo",
+            options: ["foo"],
+            globals: { foo: false },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo()",
+            options: ["foo"],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo.bar()",
+            options: ["foo"],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo",
+            options: [{ name: "foo" }],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: [{ name: "foo" }],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: [{ name: "foo" }],
+            globals: { foo: false },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "event",
+            options: ["foo", { name: "event" }],
+            env: { browser: true },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "event" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo",
+            options: [{ name: "foo" }],
+            globals: { foo: false },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo()",
+            options: [{ name: "foo" }],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo.bar()",
+            options: [{ name: "foo" }],
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo",
+            options: [{ name: "foo", message: customMessage }],
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: [{ name: "foo", message: customMessage }],
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function fn() { foo; }",
+            options: [{ name: "foo", message: customMessage }],
+            globals: { foo: false },
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "event",
+            options: ["foo", { name: "event", message: "Use local event parameter." }],
+            env: { browser: true },
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "event", customMessage: "Use local event parameter." },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo",
+            options: [{ name: "foo", message: customMessage }],
+            globals: { foo: false },
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo()",
+            options: [{ name: "foo", message: customMessage }],
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo.bar()",
+            options: [{ name: "foo", message: customMessage }],
+            errors: [{
+                messageId: "customMessage",
+                data: { name: "foo", customMessage },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var foo = obj => hasOwnProperty(obj, 'name');",
+            options: ["hasOwnProperty"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "defaultMessage",
+                data: { name: "hasOwnProperty" },
+                type: "Identifier"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-imports.js b/eslint/tests/lib/rules/no-restricted-imports.js
new file mode 100644
index 0000000..680bc13
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-imports.js
@@ -0,0 +1,760 @@
+/**
+ * @fileoverview Tests for no-restricted-imports.
+ * @author Guy Ellis
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-imports"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+ruleTester.run("no-restricted-imports", rule, {
+    valid: [
+        "import os from \"os\";",
+        { code: "import os from \"os\";", options: ["osx"] },
+        { code: "import fs from \"fs\";", options: ["crypto"] },
+        { code: "import path from \"path\";", options: ["crypto", "stream", "os"] },
+        "import async from \"async\";",
+        { code: "import \"foo\"", options: ["crypto"] },
+        { code: "import \"foo/bar\";", options: ["foo"] },
+        { code: "import withPaths from \"foo/bar\";", options: [{ paths: ["foo", "bar"] }] },
+        { code: "import withPatterns from \"foo/bar\";", options: [{ patterns: ["foo/c*"] }] },
+        {
+            code: "import withPatternsAndPaths from \"foo/bar\";",
+            options: [{ paths: ["foo"], patterns: ["foo/c*"] }]
+        },
+        {
+            code: "import withGitignores from \"foo/bar\";",
+            options: [{ patterns: ["foo/*", "!foo/bar"] }]
+        },
+        {
+            code: "import AllowedObject from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"]
+                }]
+            }]
+        },
+        {
+            code: "import DisallowedObject from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"]
+                }]
+            }]
+        },
+        {
+            code: "import * as DisallowedObject from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "bar",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import { AllowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import { DisallowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "bar",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import { AllowedObject as DisallowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import { AllowedObject, AllowedObjectTwo } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import { AllowedObject, AllowedObjectTwo  as DisallowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import AllowedObjectThree, { AllowedObject as AllowedObjectTwo } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import AllowedObject, { AllowedObjectTwo as DisallowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import AllowedObject, { AllowedObjectTwo as DisallowedObject } from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject", "DisallowedObjectTwo"],
+                    message: "Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import AllowedObject, * as DisallowedObject from \"foo\";",
+            options: [{
+                paths: [{
+                    name: "bar",
+                    importNames: ["DisallowedObject"],
+                    message: "Please import 'DisallowedObject' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import \"foo\";",
+            options: [{
+                paths: [{
+                    name: "foo",
+                    importNames: ["DisallowedObject", "DisallowedObjectTwo"],
+                    message: "Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead."
+                }]
+            }]
+        },
+        {
+            code: "import {\nAllowedObject,\nDisallowedObject, // eslint-disable-line\n} from \"foo\";",
+            options: [{ paths: [{ name: "foo", importNames: ["DisallowedObject"] }] }]
+        },
+        {
+            code: "export * from \"foo\";",
+            options: ["bar"]
+        },
+        {
+            code: "export * from \"foo\";",
+            options: [{
+                name: "bar",
+                importNames: ["DisallowedObject"]
+            }]
+        }
+    ],
+    invalid: [{
+        code: "import \"fs\"",
+        options: ["fs"],
+        errors: [{
+            message: "'fs' import is restricted from being used.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 12
+        }]
+    }, {
+        code: "import os from \"os \";",
+        options: ["fs", "crypto ", "stream", "os"],
+        errors: [{
+            message: "'os' import is restricted from being used.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 22
+        }]
+    }, {
+        code: "import \"foo/bar\";",
+        options: ["foo/bar"],
+        errors: [{
+            message: "'foo/bar' import is restricted from being used.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 18
+        }]
+    }, {
+        code: "import withPaths from \"foo/bar\";",
+        options: [{ paths: ["foo/bar"] }],
+        errors: [{
+            message: "'foo/bar' import is restricted from being used.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 33
+        }]
+    }, {
+        code: "import withPatterns from \"foo/bar\";",
+        options: [{ patterns: ["foo"] }],
+        errors: [{
+            message: "'foo/bar' import is restricted from being used by a pattern.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 36
+        }]
+    }, {
+        code: "import withPatterns from \"foo/bar\";",
+        options: [{ patterns: ["bar"] }],
+        errors: [{
+            message: "'foo/bar' import is restricted from being used by a pattern.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 36
+        }]
+    }, {
+        code: "import withGitignores from \"foo/bar\";",
+        options: [{ patterns: ["foo/*", "!foo/baz"] }],
+        errors: [{
+            message: "'foo/bar' import is restricted from being used by a pattern.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 38
+        }]
+    }, {
+        code: "export * from \"fs\";",
+        options: ["fs"],
+        errors: [{
+            message: "'fs' import is restricted from being used.",
+            type: "ExportAllDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 20
+        }]
+    }, {
+        code: "export {a} from \"fs\";",
+        options: ["fs"],
+        errors: [{
+            message: "'fs' import is restricted from being used.",
+            type: "ExportNamedDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 22
+        }]
+    }, {
+        code: "export {foo as b} from \"fs\";",
+        options: [{
+            paths: [{
+                name: "fs",
+                importNames: ["foo"],
+                message: "Don't import 'foo'."
+            }]
+        }],
+        errors: [{
+            message: "'foo' import from 'fs' is restricted. Don't import 'foo'.",
+            type: "ExportNamedDeclaration",
+            line: 1,
+            column: 9,
+            endColumn: 17
+        }]
+    }, {
+        code: "import withGitignores from \"foo\";",
+        options: [{
+            name: "foo",
+            message: "Please import from 'bar' instead."
+        }],
+        errors: [{
+            message: "'foo' import is restricted from being used. Please import from 'bar' instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 34
+        }]
+    }, {
+        code: "import withGitignores from \"bar\";",
+        options: [
+            "foo",
+            {
+                name: "bar",
+                message: "Please import from 'baz' instead."
+            },
+            "baz"
+        ],
+        errors: [{
+            message: "'bar' import is restricted from being used. Please import from 'baz' instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 34
+        }]
+    }, {
+        code: "import withGitignores from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                message: "Please import from 'bar' instead."
+            }]
+        }],
+        errors: [{
+            message: "'foo' import is restricted from being used. Please import from 'bar' instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 34
+        }]
+    },
+    {
+        code: "import DisallowedObject from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["default"],
+                message: "Please import the default import of 'foo' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'default' import from 'foo' is restricted. Please import the default import of 'foo' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 24
+        }]
+    },
+    {
+        code: "import * as All from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "* import is invalid because 'DisallowedObject' from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 16
+        }]
+    },
+    {
+        code: "export * from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "* import is invalid because 'DisallowedObject' from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ExportAllDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 9
+        }]
+    },
+    {
+        code: "export * from \"foo\";",
+        options: [{
+            name: "foo",
+            importNames: ["DisallowedObject1, DisallowedObject2"]
+        }],
+        errors: [{
+            message: "* import is invalid because 'DisallowedObject1, DisallowedObject2' from 'foo' is restricted.",
+            type: "ExportAllDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 9
+        }]
+    },
+    {
+        code: "import { DisallowedObject } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 26
+        }]
+    },
+    {
+        code: "import { DisallowedObject as AllowedObject } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 43
+        }]
+    },
+    {
+        code: "import { AllowedObject, DisallowedObject } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 41
+        }]
+    },
+    {
+        code: "import { AllowedObject, DisallowedObject as AllowedObjectTwo } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 61
+        }]
+    },
+    {
+        code: "import { AllowedObject, DisallowedObject as AllowedObjectTwo } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObjectTwo", "DisallowedObject"],
+                message: "Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 61
+        }]
+    },
+    {
+        code: "import { AllowedObject, DisallowedObject as AllowedObjectTwo } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject", "DisallowedObjectTwo"],
+                message: "Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 61
+        }]
+    },
+    {
+        code: "import DisallowedObject, { AllowedObject as AllowedObjectTwo } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["default"],
+                message: "Please import the default import of 'foo' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'default' import from 'foo' is restricted. Please import the default import of 'foo' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 24
+        }]
+    },
+    {
+        code: "import AllowedObject, { DisallowedObject as AllowedObjectTwo } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 61
+        }]
+    },
+    {
+        code: "import AllowedObject, * as AllowedObjectTwo from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"],
+                message: "Please import 'DisallowedObject' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "* import is invalid because 'DisallowedObject' from 'foo' is restricted. Please import 'DisallowedObject' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 23,
+            endColumn: 44
+        }]
+    },
+    {
+        code: "import AllowedObject, * as AllowedObjectTwo from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject", "DisallowedObjectTwo"],
+                message: "Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "* import is invalid because 'DisallowedObject,DisallowedObjectTwo' from 'foo' is restricted. Please import 'DisallowedObject' and 'DisallowedObjectTwo' from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 23,
+            endColumn: 44
+        }]
+    },
+    {
+        code: "import { DisallowedObjectOne, DisallowedObjectTwo, AllowedObject } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObjectOne", "DisallowedObjectTwo"]
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObjectOne' import from 'foo' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 29
+        }, {
+            message: "'DisallowedObjectTwo' import from 'foo' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 31,
+            endColumn: 50
+        }]
+    },
+    {
+        code: "import { DisallowedObjectOne, DisallowedObjectTwo, AllowedObject } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObjectOne", "DisallowedObjectTwo"],
+                message: "Please import this module from /bar/ instead."
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObjectOne' import from 'foo' is restricted. Please import this module from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 29
+        }, {
+            message: "'DisallowedObjectTwo' import from 'foo' is restricted. Please import this module from /bar/ instead.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 31,
+            endColumn: 50
+        }]
+    },
+    {
+        code: "import { AllowedObject, DisallowedObject as Bar } from \"foo\";",
+        options: [{
+            paths: [{
+                name: "foo",
+                importNames: ["DisallowedObject"]
+            }]
+        }],
+        errors: [{
+            message: "'DisallowedObject' import from 'foo' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 25,
+            endColumn: 48
+        }]
+    },
+    {
+        code: "import foo, { bar } from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["bar"]
+            }]
+        }],
+        errors: [{
+            message: "'bar' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 15,
+            endColumn: 18
+        }]
+    },
+    {
+        code: "import foo, { bar } from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["default"]
+            }]
+        }],
+        errors: [{
+            message: "'default' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 11
+        }]
+    },
+    {
+        code: "import foo, * as bar from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["default"]
+            }]
+        }],
+        errors: [{
+            message: "'default' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 11
+        }, {
+            message: "* import is invalid because 'default' from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 13,
+            endColumn: 21
+        }]
+    }, {
+        code: "import * as bar from 'foo';",
+        options: ["foo"],
+        errors: [{
+            message: "'foo' import is restricted from being used.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 1,
+            endColumn: 28
+        }]
+    }, {
+        code: "import { a, a as b } from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["a"]
+            }]
+        }],
+        errors: [{
+            message: "'a' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 11
+        }, {
+            message: "'a' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 13,
+            endColumn: 19
+        }]
+    }, {
+        code: "export { x as y, x as z } from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["x"]
+            }]
+        }],
+        errors: [{
+            message: "'x' import from 'mod' is restricted.",
+            type: "ExportNamedDeclaration",
+            line: 1,
+            column: 10,
+            endColumn: 16
+        }, {
+            message: "'x' import from 'mod' is restricted.",
+            type: "ExportNamedDeclaration",
+            line: 1,
+            column: 18,
+            endColumn: 24
+        }]
+    }, {
+        code: "import foo, { default as bar } from 'mod';",
+        options: [{
+            paths: [{
+                name: "mod",
+                importNames: ["default"]
+            }]
+        }],
+        errors: [{
+            message: "'default' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 8,
+            endColumn: 11
+        }, {
+            message: "'default' import from 'mod' is restricted.",
+            type: "ImportDeclaration",
+            line: 1,
+            column: 15,
+            endColumn: 29
+        }]
+    }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-modules.js b/eslint/tests/lib/rules/no-restricted-modules.js
new file mode 100644
index 0000000..08cc7c0
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-modules.js
@@ -0,0 +1,115 @@
+/**
+ * @fileoverview Tests for no-restricted-modules.
+ * @author Christian Schulz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-modules"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-restricted-modules", rule, {
+    valid: [
+        { code: "require(\"fs\")", options: ["crypto"] },
+        { code: "require(\"path\")", options: ["crypto", "stream", "os"] },
+        "require(\"fs \")",
+        { code: "require(2)", options: ["crypto"] },
+        { code: "require(foo)", options: ["crypto"] },
+        { code: "var foo = bar('crypto');", options: ["crypto"] },
+        { code: "require(\"foo/bar\");", options: ["foo"] },
+        { code: "var withPaths = require(\"foo/bar\");", options: [{ paths: ["foo", "bar"] }] },
+        { code: "var withPatterns = require(\"foo/bar\");", options: [{ patterns: ["foo/c*"] }] },
+        { code: "var withPatternsAndPaths = require(\"foo/bar\");", options: [{ paths: ["foo"], patterns: ["foo/c*"] }] },
+        { code: "var withGitignores = require(\"foo/bar\");", options: [{ paths: ["foo"], patterns: ["foo/*", "!foo/bar"] }] },
+        { code: "require(`fs`)", options: ["crypto"], parserOptions: { ecmaVersion: 6 } },
+        { code: "require(`foo${bar}`)", options: ["foo"], parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [{
+        code: "require(\"fs\")",
+        options: ["fs"],
+        errors: [{ messageId: "defaultMessage", data: { name: "fs" }, type: "CallExpression" }]
+    }, {
+        code: "require(\"os \")",
+        options: ["fs", "crypto ", "stream", "os"],
+        errors: [{ messageId: "defaultMessage", data: { name: "os" }, type: "CallExpression" }]
+    }, {
+        code: "require(\"foo/bar\");",
+        options: ["foo/bar"],
+        errors: [{ messageId: "defaultMessage", data: { name: "foo/bar" }, type: "CallExpression" }]
+    }, {
+        code: "var withPaths = require(\"foo/bar\");",
+        options: [{ paths: ["foo/bar"] }],
+        errors: [{ messageId: "defaultMessage", data: { name: "foo/bar" }, type: "CallExpression" }]
+    }, {
+        code: "var withPatterns = require(\"foo/bar\");",
+        options: [{ patterns: ["foo/*"] }],
+        errors: [{ messageId: "patternMessage", data: { name: "foo/bar" }, type: "CallExpression" }]
+    }, {
+        code: "var withPatternsAndPaths = require(\"foo/bar\");",
+        options: [{ patterns: ["foo/*"], paths: ["foo"] }],
+        errors: [{ messageId: "patternMessage", data: { name: "foo/bar" }, type: "CallExpression" }]
+    }, {
+        code: "var withGitignores = require(\"foo/bar\");",
+        options: [{ patterns: ["foo/*", "!foo/baz"], paths: ["foo"] }],
+        errors: [{ messageId: "patternMessage", data: { name: "foo/bar" }, type: "CallExpression" }]
+    }, {
+        code: "var withGitignores = require(\"foo\");",
+        options: [{
+            name: "foo",
+            message: "Please use 'bar' module instead."
+        }],
+        errors: [{
+            messageId: "customMessage",
+            data: { name: "foo", customMessage: "Please use 'bar' module instead." },
+            type: "CallExpression"
+        }]
+    }, {
+        code: "var withGitignores = require(\"bar\");",
+        options: [
+            "foo",
+            {
+                name: "bar",
+                message: "Please use 'baz' module instead."
+            },
+            "baz"
+        ],
+        errors: [{
+            messageId: "customMessage",
+            data: { name: "bar", customMessage: "Please use 'baz' module instead." },
+            type: "CallExpression"
+        }]
+    }, {
+        code: "var withGitignores = require(\"foo\");",
+        options: [{
+            paths: [{
+                name: "foo",
+                message: "Please use 'bar' module instead."
+            }]
+        }],
+        errors: [{
+            messageId: "customMessage",
+            data: { name: "foo", customMessage: "Please use 'bar' module instead." },
+            type: "CallExpression"
+        }]
+    }, {
+        code: "require(`fs`)",
+        options: ["fs"],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [{ messageId: "defaultMessage", data: { name: "fs" }, type: "CallExpression" }]
+    }, {
+        code: "require(`crypt\\o`);",
+        options: ["crypto"],
+        parserOptions: { ecmaVersion: 6 },
+        errors: [{ messageId: "defaultMessage", data: { name: "crypto" }, type: "CallExpression" }]
+    }]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-properties.js b/eslint/tests/lib/rules/no-restricted-properties.js
new file mode 100644
index 0000000..c9fb2b7
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-properties.js
@@ -0,0 +1,535 @@
+/**
+ * @fileoverview Tests for no-restricted-properties rule.
+ * @author Will Klein & Eli White
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-properties"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-restricted-properties", rule, {
+    valid: [
+        {
+            code: "someObject.someProperty",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }]
+        }, {
+            code: "anotherObject.disallowedProperty",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }]
+        }, {
+            code: "someObject.someProperty()",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }]
+        }, {
+            code: "anotherObject.disallowedProperty()",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }]
+        }, {
+            code: "anotherObject.disallowedProperty()",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty",
+                message: "Please use someObject.allowedProperty instead."
+            }]
+        }, {
+            code: "anotherObject['disallowedProperty']()",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }]
+        }, {
+            code: "obj.toString",
+            options: [{
+                object: "obj",
+                property: "__proto__"
+            }]
+        }, {
+            code: "toString.toString",
+            options: [{
+                object: "obj",
+                property: "foo"
+            }]
+        }, {
+            code: "obj.toString",
+            options: [{
+                object: "obj",
+                property: "foo"
+            }]
+        }, {
+            code: "foo.bar",
+            options: [{
+                property: "baz"
+            }]
+        }, {
+            code: "foo.bar",
+            options: [{
+                object: "baz"
+            }]
+        }, {
+            code: "foo()",
+            options: [{
+                object: "foo"
+            }]
+        }, {
+            code: "foo;",
+            options: [{
+                object: "foo"
+            }]
+        }, {
+            code: "foo[/(?<zero>0)/]",
+            options: [{
+                property: "null"
+            }],
+            parserOptions: { ecmaVersion: 2018 }
+        }, {
+            code: "let bar = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let {baz: bar} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let {unrelated} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let {baz: {bar: qux}} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let {bar} = foo.baz;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let {baz: bar} = foo;",
+            options: [{ property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let baz; ({baz: bar} = foo)",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let bar;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let bar; ([bar = 5] = foo);",
+            options: [{ object: "foo", property: "1" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "function qux({baz: bar} = foo) {}",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let [bar, baz] = foo;",
+            options: [{ object: "foo", property: "1" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let [, bar] = foo;",
+            options: [{ object: "foo", property: "0" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let [, bar = 5] = foo;",
+            options: [{ object: "foo", property: "1" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "let bar; ([bar = 5] = foo);",
+            options: [{ object: "foo", property: "0" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "function qux([bar] = foo) {}",
+            options: [{ object: "foo", property: "0" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "function qux([, bar] = foo) {}",
+            options: [{ object: "foo", property: "0" }],
+            parserOptions: { ecmaVersion: 6 }
+        }, {
+            code: "function qux([, bar] = foo) {}",
+            options: [{ object: "foo", property: "1" }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "someObject.disallowedProperty",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "someObject",
+                    propertyName: "disallowedProperty",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "someObject.disallowedProperty",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty",
+                message: "Please use someObject.allowedProperty instead."
+            }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "someObject",
+                    propertyName: "disallowedProperty",
+                    message: " Please use someObject.allowedProperty instead."
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "someObject.disallowedProperty; anotherObject.anotherDisallowedProperty()",
+            options: [{
+                object: "someObject",
+                property: "disallowedProperty"
+            }, {
+                object: "anotherObject",
+                property: "anotherDisallowedProperty"
+            }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "someObject",
+                    propertyName: "disallowedProperty",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }, {
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "anotherObject",
+                    propertyName: "anotherDisallowedProperty",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.__proto__",
+            options: [{
+                property: "__proto__",
+                message: "Please use Object.getPrototypeOf instead."
+            }],
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "__proto__",
+                    message: " Please use Object.getPrototypeOf instead."
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo['__proto__']",
+            options: [{
+                property: "__proto__",
+                message: "Please use Object.getPrototypeOf instead."
+            }],
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "__proto__",
+                    message: " Please use Object.getPrototypeOf instead."
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar.baz;",
+            options: [{ object: "foo" }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar();",
+            options: [{ object: "foo" }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar.baz();",
+            options: [{ object: "foo" }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar.baz;",
+            options: [{ property: "bar" }],
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar();",
+            options: [{ property: "bar" }],
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo.bar.baz();",
+            options: [{ property: "bar" }],
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "foo[/(?<zero>0)/]",
+            options: [{ property: "/(?<zero>0)/" }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "/(?<zero>0)/",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "require.call({}, 'foo')",
+            options: [{
+                object: "require",
+                message: "Please call require() directly."
+            }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "require",
+                    propertyName: "call",
+                    message: " Please call require() directly."
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "require['resolve']",
+            options: [{
+                object: "require"
+            }],
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "require",
+                    propertyName: "resolve",
+                    message: ""
+                },
+                type: "MemberExpression"
+            }]
+        }, {
+            code: "let {bar} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {bar: baz} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {'bar': baz} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {bar: {baz: qux}} = foo;",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {bar} = foo;",
+            options: [{ object: "foo" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {bar: baz} = foo;",
+            options: [{ object: "foo" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let {bar} = foo;",
+            options: [{ property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedProperty",
+                data: {
+                    objectName: "",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let bar; ({bar} = foo);",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "let bar; ({bar: baz = 1} = foo);",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "function qux({bar} = foo) {}",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "function qux({bar: baz} = foo) {}",
+            options: [{ object: "foo", property: "bar" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "foo",
+                    propertyName: "bar",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }, {
+            code: "var {['foo']: qux, bar} = baz",
+            options: [{ object: "baz", property: "foo" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "restrictedObjectProperty",
+                data: {
+                    objectName: "baz",
+                    propertyName: "foo",
+                    message: ""
+                },
+                type: "ObjectPattern"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-restricted-syntax.js b/eslint/tests/lib/rules/no-restricted-syntax.js
new file mode 100644
index 0000000..c8ba48f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-restricted-syntax.js
@@ -0,0 +1,133 @@
+/**
+ * @fileoverview Tests for `no-restricted-syntax` rule
+ * @author Burak Yigit Kaya
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-restricted-syntax"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-restricted-syntax", rule, {
+    valid: [
+
+        // string format
+        "doSomething();",
+        { code: "var foo = 42;", options: ["ConditionalExpression"] },
+        { code: "foo += 42;", options: ["VariableDeclaration", "FunctionExpression"] },
+        { code: "foo;", options: ["Identifier[name=\"bar\"]"] },
+        { code: "() => 5", options: ["ArrowFunctionExpression > BlockStatement"], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ foo: 1, bar: 2 })", options: ["Property > Literal.key"] },
+        { code: "A: for (;;) break;", options: ["BreakStatement[label]"] },
+        { code: "function foo(bar, baz) {}", options: ["FunctionDeclaration[params.length>2]"] },
+
+        //  object format
+        { code: "var foo = 42;", options: [{ selector: "ConditionalExpression" }] },
+        { code: "({ foo: 1, bar: 2 })", options: [{ selector: "Property > Literal.key" }] },
+        {
+            code: "({ foo: 1, bar: 2 })",
+            options: [{ selector: "FunctionDeclaration[params.length>2]", message: "custom error message." }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8733
+        { code: "console.log(/a/);", options: ["Literal[regex.flags=/./]"] }
+    ],
+    invalid: [
+
+        // string format
+        {
+            code: "var foo = 41;",
+            options: ["VariableDeclaration"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'VariableDeclaration' is not allowed." }, type: "VariableDeclaration" }]
+        },
+        {
+            code: ";function lol(a) { return 42; }",
+            options: ["EmptyStatement"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'EmptyStatement' is not allowed." }, type: "EmptyStatement" }]
+        },
+        {
+            code: "try { voila(); } catch (e) { oops(); }",
+            options: ["TryStatement", "CallExpression", "CatchClause"],
+            errors: [
+                { messageId: "restrictedSyntax", data: { message: "Using 'TryStatement' is not allowed." }, type: "TryStatement" },
+                { messageId: "restrictedSyntax", data: { message: "Using 'CallExpression' is not allowed." }, type: "CallExpression" },
+                { messageId: "restrictedSyntax", data: { message: "Using 'CatchClause' is not allowed." }, type: "CatchClause" },
+                { messageId: "restrictedSyntax", data: { message: "Using 'CallExpression' is not allowed." }, type: "CallExpression" }
+            ]
+        },
+        {
+            code: "bar;",
+            options: ["Identifier[name=\"bar\"]"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'Identifier[name=\"bar\"]' is not allowed." }, type: "Identifier" }]
+        },
+        {
+            code: "bar;",
+            options: ["Identifier", "Identifier[name=\"bar\"]"],
+            errors: [
+                { messageId: "restrictedSyntax", data: { message: "Using 'Identifier' is not allowed." }, type: "Identifier" },
+                { messageId: "restrictedSyntax", data: { message: "Using 'Identifier[name=\"bar\"]' is not allowed." }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "() => {}",
+            options: ["ArrowFunctionExpression > BlockStatement"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'ArrowFunctionExpression > BlockStatement' is not allowed." }, type: "BlockStatement" }]
+        },
+        {
+            code: "({ foo: 1, 'bar': 2 })",
+            options: ["Property > Literal.key"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'Property > Literal.key' is not allowed." }, type: "Literal" }]
+        },
+        {
+            code: "A: for (;;) break A;",
+            options: ["BreakStatement[label]"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'BreakStatement[label]' is not allowed." }, type: "BreakStatement" }]
+        },
+        {
+            code: "function foo(bar, baz, qux) {}",
+            options: ["FunctionDeclaration[params.length>2]"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'FunctionDeclaration[params.length>2]' is not allowed." }, type: "FunctionDeclaration" }]
+        },
+
+        // object format
+        {
+            code: "var foo = 41;",
+            options: [{ selector: "VariableDeclaration" }],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'VariableDeclaration' is not allowed." }, type: "VariableDeclaration" }]
+        },
+        {
+            code: "function foo(bar, baz, qux) {}",
+            options: [{ selector: "FunctionDeclaration[params.length>2]" }],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'FunctionDeclaration[params.length>2]' is not allowed." }, type: "FunctionDeclaration" }]
+        },
+        {
+            code: "function foo(bar, baz, qux) {}",
+            options: [{ selector: "FunctionDeclaration[params.length>2]", message: "custom error message." }],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "custom error message." }, type: "FunctionDeclaration" }]
+        },
+
+        // with object format, the custom message may contain the string '{{selector}}'
+        {
+            code: "function foo(bar, baz, qux) {}",
+            options: [{ selector: "FunctionDeclaration[params.length>2]", message: "custom message with {{selector}}" }],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "custom message with {{selector}}" }, type: "FunctionDeclaration" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8733
+        {
+            code: "console.log(/a/i);",
+            options: ["Literal[regex.flags=/./]"],
+            errors: [{ messageId: "restrictedSyntax", data: { message: "Using 'Literal[regex.flags=/./]' is not allowed." }, type: "Literal" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-return-assign.js b/eslint/tests/lib/rules/no-return-assign.js
new file mode 100644
index 0000000..e9d0c58
--- /dev/null
+++ b/eslint/tests/lib/rules/no-return-assign.js
@@ -0,0 +1,100 @@
+/**
+ * @fileoverview Tests for no-return-assign.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-return-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-return-assign", rule, {
+    valid: [
+        {
+            code: "module.exports = {'a': 1};",
+            parserOptions: {
+                sourceType: "module"
+            }
+        },
+        "var result = a * b;",
+        "function x() { var result = a * b; return result; }",
+        "function x() { return (result = a * b); }",
+        {
+            code: "function x() { var result = a * b; return result; }",
+            options: ["except-parens"]
+        },
+        {
+            code: "function x() { return (result = a * b); }",
+            options: ["except-parens"]
+        },
+        {
+            code: "function x() { var result = a * b; return result; }",
+            options: ["always"]
+        },
+        {
+            code: "function x() { return function y() { result = a * b }; }",
+            options: ["always"]
+        },
+        {
+            code: "() => { return (result = a * b); }",
+            options: ["except-parens"]
+        },
+        {
+            code: "() => (result = a * b)",
+            options: ["except-parens"]
+        }
+    ],
+    invalid: [
+        {
+            code: "function x() { return result = a * b; };",
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "function x() { return (result) = (a * b); };",
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "function x() { return result = a * b; };",
+            options: ["except-parens"],
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "function x() { return (result) = (a * b); };",
+            options: ["except-parens"],
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "() => { return result = a * b; }",
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "() => result = a * b",
+            errors: [{ messageId: "arrowAssignment", type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "function x() { return result = a * b; };",
+            options: ["always"],
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "function x() { return (result = a * b); };",
+            options: ["always"],
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        },
+        {
+            code: "function x() { return result || (result = a * b); };",
+            options: ["always"],
+            errors: [{ messageId: "returnAssignment", type: "ReturnStatement" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-return-await.js b/eslint/tests/lib/rules/no-return-await.js
new file mode 100644
index 0000000..508d7cb
--- /dev/null
+++ b/eslint/tests/lib/rules/no-return-await.js
@@ -0,0 +1,290 @@
+/**
+ * @fileoverview Disallows unnecessary `return await`
+ * @author Jordan Harband
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-return-await");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+// pending https://github.com/eslint/espree/issues/304, the type should be "Keyword"
+const errors = [{ messageId: "redundantUseOfAwait", type: "Identifier" }];
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2017 } });
+
+ruleTester.run("no-return-await", rule, {
+
+    valid: [
+        "\nasync function foo() {\n\tawait bar(); return;\n}\n",
+        "\nasync function foo() {\n\tconst x = await bar(); return x;\n}\n",
+        "\nasync () => { return bar(); }\n",
+        "\nasync () => bar()\n",
+        "\nasync function foo() {\nif (a) {\n\t\tif (b) {\n\t\t\treturn bar();\n\t\t}\n\t}\n}\n",
+        "\nasync () => {\nif (a) {\n\t\tif (b) {\n\t\t\treturn bar();\n\t\t}\n\t}\n}\n",
+        "\nasync function foo() {\n\treturn (await bar() && a);\n}\n",
+        "\nasync function foo() {\n\treturn (await bar() || a);\n}\n",
+        "\nasync function foo() {\n\treturn (a && await baz() && b);\n}\n",
+        "\nasync function foo() {\n\treturn (await bar(), a);\n}\n",
+        "\nasync function foo() {\n\treturn (await baz(), await bar(), a);\n}\n",
+        "\nasync function foo() {\n\treturn (a, b, (await bar(), c));\n}\n",
+        "\nasync function foo() {\n\treturn (await bar() ? a : b);\n}\n",
+        "\nasync function foo() {\n\treturn ((a && await bar()) ? b : c);\n}\n",
+        "\nasync function foo() {\n\treturn (baz() ? (await bar(), a) : b);\n}\n",
+        "\nasync function foo() {\n\treturn (baz() ? (await bar() && a) : b);\n}\n",
+        "\nasync function foo() {\n\treturn (baz() ? a : (await bar(), b));\n}\n",
+        "\nasync function foo() {\n\treturn (baz() ? a : (await bar() && b));\n}\n",
+        "\nasync () => (await bar(), a)\n",
+        "\nasync () => (await bar() && a)\n",
+        "\nasync () => (await bar() || a)\n",
+        "\nasync () => (a && await bar() && b)\n",
+        "\nasync () => (await baz(), await bar(), a)\n",
+        "\nasync () => (a, b, (await bar(), c))\n",
+        "\nasync () => (await bar() ? a : b)\n",
+        "\nasync () => ((a && await bar()) ? b : c)\n",
+        "\nasync () => (baz() ? (await bar(), a) : b)\n",
+        "\nasync () => (baz() ? (await bar() && a) : b)\n",
+        "\nasync () => (baz() ? a : (await bar(), b))\n",
+        "\nasync () => (baz() ? a : (await bar() && b))\n",
+        `
+          async function foo() {
+            try {
+              return await bar();
+            } catch (e) {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              return await bar();
+            } finally {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {}
+            catch (e) {
+              return await bar();
+            } finally {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              try {}
+              finally {
+                return await bar();
+              }
+            } finally {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              try {}
+              catch (e) {
+                return await bar();
+              }
+            } finally {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              return (a, await bar());
+            } catch (e) {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              return (qux() ? await bar() : b);
+            } catch (e) {
+              baz();
+            }
+          }
+        `,
+        `
+          async function foo() {
+            try {
+              return (a && await bar());
+            } catch (e) {
+              baz();
+            }
+          }
+        `
+    ],
+
+    invalid: [
+        {
+            code: "\nasync function foo() {\n\treturn await bar();\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a, await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a, b, await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a && await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a && b && await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a || await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a, b, (c, d, await bar()));\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (a, b, (c && await bar()));\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (await baz(), b, await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? await bar() : b);\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? a : await bar());\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? (a, await bar()) : b);\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? a : (b, await bar()));\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? (a && await bar()) : b);\n}\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\n\treturn (baz() ? a : (b && await bar()));\n}\n",
+            errors
+        },
+        {
+            code: "\nasync () => { return await bar(); }\n",
+            errors
+        },
+        {
+            code: "\nasync () => await bar()\n",
+            errors
+        },
+        {
+            code: "\nasync () => (a, b, await bar())\n",
+            errors
+        },
+        {
+            code: "\nasync () => (a && await bar())\n",
+            errors
+        },
+        {
+            code: "\nasync () => (baz() ? await bar() : b)\n",
+            errors
+        },
+        {
+            code: "\nasync () => (baz() ? a : (b, await bar()))\n",
+            errors
+        },
+        {
+            code: "\nasync () => (baz() ? a : (b && await bar()))\n",
+            errors
+        },
+        {
+            code: "\nasync function foo() {\nif (a) {\n\t\tif (b) {\n\t\t\treturn await bar();\n\t\t}\n\t}\n}\n",
+            errors
+        },
+        {
+            code: "\nasync () => {\nif (a) {\n\t\tif (b) {\n\t\t\treturn await bar();\n\t\t}\n\t}\n}\n",
+            errors
+        },
+        {
+            code: `
+              async function foo() {
+                try {}
+                finally {
+                  return await bar();
+                }
+              }
+            `,
+            errors
+        },
+        {
+            code: `
+              async function foo() {
+                try {}
+                catch (e) {
+                  return await bar();
+                }
+              }
+            `,
+            errors
+        },
+        {
+            code: `
+              try {
+                async function foo() {
+                  return await bar();
+                }
+              } catch (e) {}
+            `,
+            errors
+        },
+        {
+            code: `
+              try {
+                async () => await bar();
+              } catch (e) {}
+            `,
+            errors
+        },
+        {
+            code: `
+              async function foo() {
+                try {}
+                catch (e) {
+                  try {}
+                  catch (e) {
+                    return await bar();
+                  }
+                }
+              }
+            `,
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-script-url.js b/eslint/tests/lib/rules/no-script-url.js
new file mode 100644
index 0000000..6eca268
--- /dev/null
+++ b/eslint/tests/lib/rules/no-script-url.js
@@ -0,0 +1,41 @@
+/**
+ * @fileoverview Tests for no-script-url rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-script-url"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-script-url", rule, {
+    valid: [
+        "var a = 'Hello World!';",
+        "var a = 10;",
+        "var url = 'xjavascript:'"
+    ],
+    invalid: [
+        {
+            code: "var a = 'javascript:void(0);';",
+            errors: [
+                { messageId: "unexpectedScriptURL", type: "Literal" }
+            ]
+        },
+        {
+            code: "var a = 'javascript:';",
+            errors: [
+                { messageId: "unexpectedScriptURL", type: "Literal" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-self-assign.js b/eslint/tests/lib/rules/no-self-assign.js
new file mode 100644
index 0000000..5149dac
--- /dev/null
+++ b/eslint/tests/lib/rules/no-self-assign.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview Tests for no-self-assign rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-self-assign"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-self-assign", rule, {
+    valid: [
+        "var a = a",
+        "a = b",
+        "a += a",
+        "a = +a",
+        "a = [a]",
+        { code: "let a = a", parserOptions: { ecmaVersion: 6 } },
+        { code: "const a = a", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a] = a", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a = 1] = [a]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a, b] = [b, a]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a,, b] = [, b, a]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[x, a] = [...x, a]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[...a] = [...a, 1]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a, ...b] = [0, ...b, 1]", parserOptions: { ecmaVersion: 6 } },
+        { code: "[a, b] = {a, b}", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a} = a)", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a = 1} = {a})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a: b} = {a})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a} = {a: b})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a} = {a() {}})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a} = {[a]: a})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({[a]: b} = {[a]: b})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({'foo': a, 1: a} = {'bar': a, 2: a})", parserOptions: { ecmaVersion: 6 } },
+        { code: "({a, ...b} = {a, ...b})", parserOptions: { ecmaVersion: 2018 } },
+        { code: "a.b = a.c", options: [{ props: true }] },
+        { code: "a.b = c.b", options: [{ props: true }] },
+        { code: "a.b = a[b]", options: [{ props: true }] },
+        { code: "a[b] = a.b", options: [{ props: true }] },
+        { code: "a.b().c = a.b().c", options: [{ props: true }] },
+        { code: "b().c = b().c", options: [{ props: true }] },
+        { code: "a.null = a[/(?<zero>0)/]", options: [{ props: true }], parserOptions: { ecmaVersion: 2018 } },
+        { code: "a[b + 1] = a[b + 1]", options: [{ props: true }] }, // it ignores non-simple computed properties.
+        {
+            code: "a.b = a.b",
+            options: [{ props: false }]
+        },
+        {
+            code: "a.b.c = a.b.c",
+            options: [{ props: false }]
+        },
+        {
+            code: "a[b] = a[b]",
+            options: [{ props: false }]
+        },
+        {
+            code: "a['b'] = a['b']",
+            options: [{ props: false }]
+        },
+        {
+            code: "a[\n    'b'\n] = a[\n    'b'\n]",
+            options: [{ props: false }]
+        },
+        {
+            code: "this.x = this.y",
+            options: [{ props: true }]
+        },
+        {
+            code: "this.x = this.x",
+            options: [{ props: false }]
+        }
+    ],
+    invalid: [
+        { code: "a = a", errors: [{ messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "[a] = [a]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "[a, b] = [a, b]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }, { messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "[a, b] = [a, c]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "[a, b] = [, b]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "[a, ...b] = [a, ...b]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }, { messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "[[a], {b}] = [[a], {b}]", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }, { messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({a} = {a})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "({a: b} = {a: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({'a': b} = {'a': b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({a: b} = {'a': b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({'a': b} = {a: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({1: b} = {1: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({1: b} = {'1': b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({'1': b} = {1: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({['a']: b} = {a: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({'a': b} = {[`a`]: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({1: b} = {[1]: b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({a, b} = {a, b})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }, { messageId: "selfAssignment", data: { name: "b" } }] },
+        { code: "({a, b} = {b, a})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }, { messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "({a, b} = {c, a})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "a" } }] },
+        { code: "({a: {b}, c: [d]} = {a: {b}, c: [d]})", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }, { messageId: "selfAssignment", data: { name: "d" } }] },
+        { code: "({a, b} = {a, ...x, b})", parserOptions: { ecmaVersion: 2018 }, errors: [{ messageId: "selfAssignment", data: { name: "b" } }] },
+        {
+            code: "a.b = a.b",
+            errors: [{ messageId: "selfAssignment", data: { name: "a.b" } }]
+        },
+        {
+            code: "a.b.c = a.b.c",
+            errors: [{ messageId: "selfAssignment", data: { name: "a.b.c" } }]
+        },
+        {
+            code: "a[b] = a[b]",
+            errors: [{ messageId: "selfAssignment", data: { name: "a[b]" } }]
+        },
+        {
+            code: "a['b'] = a['b']",
+            errors: [{ messageId: "selfAssignment", data: { name: "a['b']" } }]
+        },
+        {
+            code: "a[\n    'b'\n] = a[\n    'b'\n]",
+            errors: [{ messageId: "selfAssignment", data: { name: "a['b']" } }]
+        },
+        { code: "a.b = a.b", options: [{ props: true }], errors: [{ messageId: "selfAssignment", data: { name: "a.b" } }] },
+        { code: "a.b.c = a.b.c", options: [{ props: true }], errors: [{ messageId: "selfAssignment", data: { name: "a.b.c" } }] },
+        { code: "a[b] = a[b]", options: [{ props: true }], errors: [{ messageId: "selfAssignment", data: { name: "a[b]" } }] },
+        { code: "a['b'] = a['b']", options: [{ props: true }], errors: [{ messageId: "selfAssignment", data: { name: "a['b']" } }] },
+        { code: "a[\n    'b'\n] = a[\n    'b'\n]", options: [{ props: true }], errors: [{ messageId: "selfAssignment", data: { name: "a['b']" } }] },
+        {
+            code: "this.x = this.x",
+            options: [{ props: true }],
+            errors: [{ messageId: "selfAssignment", data: { name: "this.x" } }]
+        },
+        { code: "a['/(?<zero>0)/'] = a[/(?<zero>0)/]", options: [{ props: true }], parserOptions: { ecmaVersion: 2018 }, errors: [{ messageId: "selfAssignment", data: { name: "a[/(?<zero>0)/]" } }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-self-compare.js b/eslint/tests/lib/rules/no-self-compare.js
new file mode 100644
index 0000000..85bc1e2
--- /dev/null
+++ b/eslint/tests/lib/rules/no-self-compare.js
@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Tests for no-self-compare rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-self-compare"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-self-compare", rule, {
+    valid: [
+        "if (x === y) { }",
+        "if (1 === 2) { }",
+        "y=x*x",
+        "foo.bar.baz === foo.bar.qux"
+    ],
+    invalid: [
+        { code: "if (x === x) { }", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "if (x !== x) { }", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "if (x > x) { }", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "if ('x' > 'x') { }", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "do {} while (x === x)", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x === x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x !== x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x == x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x != x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x > x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x < x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x >= x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "x <= x", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] },
+        { code: "foo.bar().baz.qux >= foo.bar ().baz .qux", errors: [{ messageId: "comparingToSelf", type: "BinaryExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-sequences.js b/eslint/tests/lib/rules/no-sequences.js
new file mode 100644
index 0000000..ae988ee
--- /dev/null
+++ b/eslint/tests/lib/rules/no-sequences.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview Tests for no-sequences rule.
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-sequences"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+/**
+ * Create error message object for failure cases
+ * @param {int} column column of the error
+ * @returns {Object} returns the error messages collection
+ * @private
+ */
+function errors(column) {
+    return [{
+        messageId: "unexpectedCommaExpression",
+        type: "SequenceExpression",
+        line: 1,
+        column
+    }];
+}
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-sequences", rule, {
+
+    // Examples of code that should not trigger the rule
+    valid: [
+        "var arr = [1, 2];",
+        "var obj = {a: 1, b: 2};",
+        "var a = 1, b = 2;",
+        "var foo = (1, 2);",
+        "(0,eval)(\"foo()\");",
+        "for (i = 1, j = 2;; i++, j++);",
+        "foo(a, (b, c), d);",
+        "do {} while ((doSomething(), !!test));",
+        "for ((doSomething(), somethingElse()); (doSomething(), !!test); );",
+        "if ((doSomething(), !!test));",
+        "switch ((doSomething(), !!test)) {}",
+        "while ((doSomething(), !!test));",
+        "with ((doSomething(), val)) {}",
+        { code: "a => ((doSomething(), a))", env: { es6: true } }
+    ],
+
+    // Examples of code that should trigger the rule
+    invalid: [
+        {
+            code: "1, 2;",
+            errors: [{
+                messageId: "unexpectedCommaExpression",
+                type: "SequenceExpression",
+                line: 1,
+                column: 2,
+                endLine: 1,
+                endColumn: 3
+            }]
+        },
+        { code: "a = 1, 2", errors: errors(6) },
+        { code: "do {} while (doSomething(), !!test);", errors: errors(27) },
+        { code: "for (; doSomething(), !!test; );", errors: errors(21) },
+        { code: "if (doSomething(), !!test);", errors: errors(18) },
+        { code: "switch (doSomething(), val) {}", errors: errors(22) },
+        { code: "while (doSomething(), !!test);", errors: errors(21) },
+        { code: "with (doSomething(), val) {}", errors: errors(20) },
+        { code: "a => (doSomething(), a)", env: { es6: true }, errors: errors(20) },
+        { code: "(1), 2", errors: errors(4) },
+        { code: "((1)) , (2)", errors: errors(7) },
+        { code: "while((1) , 2);", errors: errors(11) }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-setter-return.js b/eslint/tests/lib/rules/no-setter-return.js
new file mode 100644
index 0000000..b70b4e3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-setter-return.js
@@ -0,0 +1,510 @@
+/**
+ * @fileoverview Tests for the no-setter-return rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-setter-return");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Creates an error object.
+ * @param {number} [column] Reported column.
+ * @param {string} [type= "ReturnStatement"] Reported node type.
+ * @returns {Object} The error object.
+ */
+function error(column, type = "ReturnStatement") {
+    const errorObject = {
+        messageId: "returnsValue",
+        type
+    };
+
+    if (column) {
+        errorObject.column = column;
+    }
+
+    return errorObject;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("no-setter-return", rule, {
+    valid: [
+
+        //------------------------------------------------------------------------------
+        // General
+        //------------------------------------------------------------------------------
+
+        // not a setter
+        "function foo() { return 1; }",
+        "function set(val) { return 1; }",
+        "var foo = function() { return 1; };",
+        "var foo = function set() { return 1; };",
+        "var set = function() { return 1; };",
+        "var set = function set(val) { return 1; };",
+        "var set = val => { return 1; };",
+        "var set = val => 1;",
+
+        // setters do not have effect on other functions (test function info tracking)
+        "({ set a(val) { }}); function foo() { return 1; }",
+        "({ set a(val) { }}); (function () { return 1; });",
+        "({ set a(val) { }}); (() => { return 1; });",
+        "({ set a(val) { }}); (() => 1);",
+
+        // does not report global return
+        {
+            code: "return 1;",
+            env: { node: true }
+        },
+        {
+            code: "return 1;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "return 1; function foo(){ return 1; } return 1;",
+            env: { node: true }
+        },
+        {
+            code: "function foo(){} return 1; var bar = function*(){ return 1; }; return 1; var baz = () => {}; return 1;",
+            env: { node: true }
+        },
+
+        //------------------------------------------------------------------------------
+        // Object literals and classes
+        //------------------------------------------------------------------------------
+
+        // return without a value is allowed
+        "({ set foo(val) { return; } })",
+        "({ set foo(val) { if (val) { return; } } })",
+        "class A { set foo(val) { return; } }",
+        "(class { set foo(val) { if (val) { return; } else { return; } return; } })",
+        "class A { set foo(val) { try {} catch(e) { return; } } }",
+
+        // not a setter
+        "({ get foo() { return 1; } })",
+        "({ get set() { return 1; } })",
+        "({ set(val) { return 1; } })",
+        "({ set: function(val) { return 1; } })",
+        "({ foo: function set(val) { return 1; } })",
+        "({ set: function set(val) { return 1; } })",
+        "({ set: (val) => { return 1; } })",
+        "({ set: (val) => 1 })",
+        "set = { foo(val) { return 1; } };",
+        "class A { constructor(val) { return 1; } }",
+        "class set { constructor(val) { return 1; } }",
+        "class set { foo(val) { return 1; } }",
+        "var set = class { foo(val) { return 1; } }",
+        "(class set { foo(val) { return 1; } })",
+        "class A { get foo() { return val; } }",
+        "class A { get set() { return val; } }",
+        "class A { set(val) { return 1; } }",
+        "class A { static set(val) { return 1; } }",
+        "({ set: set = function set(val) { return 1; } } = {})",
+        "({ set: set = (val) => 1 } = {})",
+
+        // not returning from the setter
+        "({ set foo(val) { function foo(val) { return 1; } } })",
+        "({ set foo(val) { var foo = function(val) { return 1; } } })",
+        "({ set foo(val) { var foo = (val) => { return 1; } } })",
+        "({ set foo(val) { var foo = (val) => 1; } })",
+        "({ set [function() { return 1; }](val) {} })",
+        "({ set [() => { return 1; }](val) {} })",
+        "({ set [() => 1](val) {} })",
+        "({ set foo(val = function() { return 1; }) {} })",
+        "({ set foo(val = v => 1) {} })",
+        "(class { set foo(val) { function foo(val) { return 1; } } })",
+        "(class { set foo(val) { var foo = function(val) { return 1; } } })",
+        "(class { set foo(val) { var foo = (val) => { return 1; } } })",
+        "(class { set foo(val) { var foo = (val) => 1; } })",
+        "(class { set [function() { return 1; }](val) {} })",
+        "(class { set [() => { return 1; }](val) {} })",
+        "(class { set [() => 1](val) {} })",
+        "(class { set foo(val = function() { return 1; }) {} })",
+        "(class { set foo(val = (v) => 1) {} })",
+
+        //------------------------------------------------------------------------------
+        // Property descriptors
+        //------------------------------------------------------------------------------
+
+        // return without a value is allowed
+        "Object.defineProperty(foo, 'bar', { set(val) { return; } })",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { set(val) { if (val) { return; } } })",
+            env: { es6: true }
+        },
+        "Object.defineProperties(foo, { bar: { set(val) { try { return; } catch(e){} } } })",
+        "Object.create(foo, { bar: { set: function(val) { return; } } })",
+
+        // not a setter
+        "x = { set(val) { return 1; } }",
+        "x = { foo: { set(val) { return 1; } } }",
+        "Object.defineProperty(foo, 'bar', { value(val) { return 1; } })",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { value: function set(val) { return 1; } })",
+            env: { es6: true }
+        },
+        "Object.defineProperties(foo, { bar: { [set](val) { return 1; } } })",
+        "Object.create(foo, { bar: { 'set ': function(val) { return 1; } } })",
+        "Object.defineProperty(foo, 'bar', { [`set `]: (val) => { return 1; } })",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { Set(val) { return 1; } })",
+            env: { es6: true }
+        },
+        "Object.defineProperties(foo, { bar: { value: (val) => 1 } })",
+        "Object.create(foo, { set: { value: function(val) { return 1; } } })",
+        "Object.defineProperty(foo, 'bar', { baz(val) { return 1; } })",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { get(val) { return 1; } })",
+            env: { es6: true }
+        },
+        "Object.create(foo, { set: function(val) { return 1; } })",
+        "Object.defineProperty(foo, { set: (val) => 1 })",
+
+        // not returning from the setter
+        "Object.defineProperty(foo, 'bar', { set(val) { function foo() { return 1; } } })",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { set(val) { var foo = function() { return 1; } } })",
+            env: { es6: true }
+        },
+        "Object.defineProperties(foo, { bar: { set(val) { () => { return 1 }; } } })",
+        "Object.create(foo, { bar: { set: (val) => { (val) => 1; } } })",
+
+        // invalid index
+        "Object.defineProperty(foo, 'bar', 'baz', { set(val) { return 1; } })",
+        "Object.defineProperty(foo, { set(val) { return 1; } }, 'bar')",
+        "Object.defineProperty({ set(val) { return 1; } }, foo, 'bar')",
+        {
+            code: "Reflect.defineProperty(foo, 'bar', 'baz', { set(val) { return 1; } })",
+            env: { es6: true }
+        },
+        {
+            code: "Reflect.defineProperty(foo, { set(val) { return 1; } }, 'bar')",
+            env: { es6: true }
+        },
+        {
+            code: "Reflect.defineProperty({ set(val) { return 1; } }, foo, 'bar')",
+            env: { es6: true }
+        },
+        "Object.defineProperties(foo, bar, { baz: { set(val) { return 1; } } })",
+        "Object.defineProperties({ bar: { set(val) { return 1; } } }, foo)",
+        "Object.create(foo, bar, { baz: { set(val) { return 1; } } })",
+        "Object.create({ bar: { set(val) { return 1; } } }, foo)",
+
+        // not targeted method name
+        "Object.DefineProperty(foo, 'bar', { set(val) { return 1; } })",
+        {
+            code: "Reflect.DefineProperty(foo, 'bar', { set(val) { if (val) { return 1; } } })",
+            env: { es6: true }
+        },
+        "Object.DefineProperties(foo, { bar: { set(val) { try { return 1; } catch(e){} } } })",
+        "Object.Create(foo, { bar: { set: function(val) { return 1; } } })",
+
+        // not targeted object name
+        "object.defineProperty(foo, 'bar', { set(val) { return 1; } })",
+        {
+            code: "reflect.defineProperty(foo, 'bar', { set(val) { if (val) { return 1; } } })",
+            env: { es6: true }
+        },
+        {
+            code: "Reflect.defineProperties(foo, { bar: { set(val) { try { return 1; } catch(e){} } } })",
+            env: { es6: true }
+        },
+        "object.create(foo, { bar: { set: function(val) { return 1; } } })",
+
+        // global object doesn't exist
+        "Reflect.defineProperty(foo, 'bar', { set(val) { if (val) { return 1; } } })",
+        "/* globals Object:off */ Object.defineProperty(foo, 'bar', { set(val) { return 1; } })",
+        {
+            code: "Object.defineProperties(foo, { bar: { set(val) { try { return 1; } catch(e){} } } })",
+            globals: { Object: "off" }
+        },
+
+        // global object is shadowed
+        "let Object; Object.defineProperty(foo, 'bar', { set(val) { return 1; } })",
+        {
+            code: "function f() { Reflect.defineProperty(foo, 'bar', { set(val) { if (val) { return 1; } } }); var Reflect;}",
+            env: { es6: true }
+        },
+        "function f(Object) { Object.defineProperties(foo, { bar: { set(val) { try { return 1; } catch(e){} } } }) }",
+        "if (x) { const Object = getObject(); Object.create(foo, { bar: { set: function(val) { return 1; } } }) }",
+        "x = function Object() { Object.defineProperty(foo, 'bar', { set(val) { return 1; } }) }"
+    ],
+
+    invalid: [
+
+        //------------------------------------------------------------------------------
+        // Object literals and classes
+        //------------------------------------------------------------------------------
+
+        // full error test
+        {
+            code: "({ set a(val){ return val + 1; } })",
+            errors: [{ messageId: "returnsValue", type: "ReturnStatement", column: 16, endColumn: 31 }]
+        },
+
+        // basic tests
+        {
+            code: "({ set a(val) { return 1; } })",
+            errors: [error()]
+        },
+        {
+            code: "class A { set a(val) { return 1; } }",
+            errors: [error()]
+        },
+        {
+            code: "class A { static set a(val) { return 1; } }",
+            errors: [error()]
+        },
+        {
+            code: "(class { set a(val) { return 1; } })",
+            errors: [error()]
+        },
+
+        // any value
+        {
+            code: "({ set a(val) { return val; } })",
+            errors: [error()]
+        },
+        {
+            code: "class A { set a(val) { return undefined; } }",
+            errors: [error()]
+        },
+        {
+            code: "(class { set a(val) { return null; } })",
+            errors: [error()]
+        },
+        {
+            code: "({ set a(val) { return x + y; } })",
+            errors: [error()]
+        },
+        {
+            code: "class A { set a(val) { return foo(); } }",
+            errors: [error()]
+        },
+        {
+            code: "(class { set a(val) { return this._a; } })",
+            errors: [error()]
+        },
+        {
+            code: "({ set a(val) { return this.a; } })",
+            errors: [error()]
+        },
+
+        // any location
+        {
+            code: "({ set a(val) { if (foo) { return 1; }; } })",
+            errors: [error()]
+        },
+        {
+            code: "class A { set a(val) { try { return 1; } catch(e) {} } }",
+            errors: [error()]
+        },
+        {
+            code: "(class { set a(val) { while (foo){ if (bar) break; else return 1; } } })",
+            errors: [error()]
+        },
+
+        // multiple invalid in same object literal/class
+        {
+            code: "({ set a(val) { return 1; }, set b(val) { return 1; } })",
+            errors: [error(17), error(43)]
+        },
+        {
+            code: "class A { set a(val) { return 1; } set b(val) { return 1; } }",
+            errors: [error(24), error(49)]
+        },
+        {
+            code: "(class { set a(val) { return 1; } static set b(val) { return 1; } })",
+            errors: [error(23), error(55)]
+        },
+
+        // multiple invalid in the same setter
+        {
+            code: "({ set a(val) { if(val) { return 1; } else { return 2 }; } })",
+            errors: [error(27), error(46)]
+        },
+        {
+            code: "class A { set a(val) { switch(val) { case 1: return x; case 2: return y; default: return z } } }",
+            errors: [error(46), error(64), error(83)]
+        },
+        {
+            code: "(class { static set a(val) { if (val > 0) { this._val = val; return val; } return false; } })",
+            errors: [error(62), error(76)]
+        },
+
+        // valid and invalid in the same setter
+        {
+            code: "({ set a(val) { if(val) { return 1; } else { return; }; } })",
+            errors: [error(27)]
+        },
+        {
+            code: "class A { set a(val) { switch(val) { case 1: return x; case 2: return; default: return z } } }",
+            errors: [error(46), error(81)]
+        },
+        {
+            code: "(class { static set a(val) { if (val > 0) { this._val = val; return; } return false; } })",
+            errors: [error(72)]
+        },
+
+        // inner functions do not have effect
+        {
+            code: "({ set a(val) { function b(){} return b(); } })",
+            errors: [error(32)]
+        },
+        {
+            code: "class A { set a(val) { return () => {}; } }",
+            errors: [error(24)]
+        },
+        {
+            code: "(class { set a(val) { function b(){ return 1; } return 2; } })",
+            errors: [error(49)]
+        },
+        {
+            code: "({ set a(val) { function b(){ return; } return 1; } })",
+            errors: [error(41)]
+        },
+        {
+            code: "class A { set a(val) { var x = function() { return 1; }; return 2; } }",
+            errors: [error(58)]
+        },
+        {
+            code: "(class { set a(val) { var x = () => { return; }; return 2; } })",
+            errors: [error(50)]
+        },
+
+        // other functions and global returns do not have effect (test function info tracking)
+        {
+            code: "function f(){}; ({ set a(val) { return 1; } });",
+            errors: [error()]
+        },
+        {
+            code: "x = function f(){}; class A { set a(val) { return 1; } };",
+            errors: [error()]
+        },
+        {
+            code: "x = () => {}; A = class { set a(val) { return 1; } };",
+            errors: [error()]
+        },
+        {
+            code: "return; ({ set a(val) { return 1; } }); return 2;",
+            env: { node: true },
+            errors: [error(25)]
+        },
+
+        //------------------------------------------------------------------------------
+        // Property descriptors
+        //------------------------------------------------------------------------------
+
+        // basic tests
+        {
+            code: "Object.defineProperty(foo, 'bar', { set(val) { return 1; } })",
+            errors: [error()]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { set(val) { return 1; } })",
+            env: { es6: true },
+            errors: [error()]
+        },
+        {
+            code: "Object.defineProperties(foo, { baz: { set(val) { return 1; } } })",
+            errors: [error()]
+        },
+        {
+            code: "Object.create(null, { baz: { set(val) { return 1; } } })",
+            errors: [error()]
+        },
+
+        // arrow implicit return// basic tests
+        {
+            code: "Object.defineProperty(foo, 'bar', { set: val => val })",
+            errors: [error(49, "Identifier")]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { set: val => f(val) })",
+            env: { es6: true },
+            errors: [error(50, "CallExpression")]
+        },
+        {
+            code: "Object.defineProperties(foo, { baz: { set: val => a + b } })",
+            errors: [error(51, "BinaryExpression")]
+        },
+        {
+            code: "Object.create({}, { baz: { set: val => this._val } })",
+            errors: [error(40, "MemberExpression")]
+        },
+
+        // various locations, value types and multiple invalid/valid in same setter.
+        {
+            code: "Object.defineProperty(foo, 'bar', { set(val) { if (val) { return; } return false; }, get(val) { return 1; } })",
+            errors: [error(69)]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { set(val) { try { return f(val) } catch (e) { return e }; } })",
+            env: { es6: true },
+            errors: [error(55), error(83)]
+        },
+        {
+            code: "Object.defineProperties(foo, { bar: { get(){ return null; }, set(val) { return null; } } })",
+            errors: [error(73)]
+        },
+        {
+            code: "Object.create(null, { baz: { set(val) { return this._val; return; return undefined; } } })",
+            errors: [error(41), error(67)]
+        },
+
+        // multiple invalid in the same descriptors object
+        {
+            code: "Object.defineProperties(foo, { baz: { set(val) { return 1; } }, bar: { set(val) { return 1; } } })",
+            errors: [error(50), error(83)]
+        },
+        {
+            code: "Object.create({}, { baz: { set(val) { return 1; } }, bar: { set: (val) => 1 } })",
+            errors: [
+                error(39),
+                error(75, "Literal")
+            ]
+        },
+
+        // various syntax for properties
+        {
+            code: "Object['defineProperty'](foo, 'bar', { set: function bar(val) { return 1; } })",
+            errors: [error()]
+        },
+        {
+            code: "Reflect.defineProperty(foo, 'bar', { 'set'(val) { return 1; } })",
+            env: { es6: true },
+            errors: [error()]
+        },
+        {
+            code: "Object[`defineProperties`](foo, { baz: { ['set'](val) { return 1; } } })",
+            errors: [error()]
+        },
+        {
+            code: "Object.create({}, { baz: { [`set`]: (val) => { return 1; } } })",
+            errors: [error()]
+        },
+
+        // edge cases for global objects
+        {
+            code: "Object.defineProperty(foo, 'bar', { set: function Object(val) { return 1; } })",
+            errors: [error()]
+        },
+        {
+            code: "Object.defineProperty(foo, 'bar', { set: function(Object) { return 1; } })",
+            errors: [error()]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-shadow-restricted-names.js b/eslint/tests/lib/rules/no-shadow-restricted-names.js
new file mode 100644
index 0000000..da2df0f
--- /dev/null
+++ b/eslint/tests/lib/rules/no-shadow-restricted-names.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Disallow shadowing of NaN, undefined, and Infinity (ES5 section 15.1.1)
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-shadow-restricted-names"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-shadow-restricted-names", rule, {
+    valid: [
+        "function foo(bar){ var baz; }",
+        "!function foo(bar){ var baz; }",
+        "!function(bar){ var baz; }",
+        "try {} catch(e) {}",
+        { code: "export default function() {}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        {
+            code: "try {} catch {}",
+            parserOptions: { ecmaVersion: 2019 }
+        },
+        "var undefined;",
+        "var undefined; doSomething(undefined);",
+        "var undefined; var undefined;",
+        {
+            code: "let undefined",
+            parserOptions: { ecmaVersion: 2015 }
+        }
+    ],
+    invalid: [
+        {
+            code: "function NaN(NaN) { var NaN; !function NaN(NaN) { try {} catch(NaN) {} }; }",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "NaN" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "function undefined(undefined) { !function undefined(undefined) { try {} catch(undefined) {} }; }",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "function Infinity(Infinity) { var Infinity; !function Infinity(Infinity) { try {} catch(Infinity) {} }; }",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "Infinity" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "function arguments(arguments) { var arguments; !function arguments(arguments) { try {} catch(arguments) {} }; }",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "arguments" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "function eval(eval) { var eval; !function eval(eval) { try {} catch(eval) {} }; }",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "var eval = (eval) => { var eval; !function eval(eval) { try {} catch(eval) {} }; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "eval" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "var [undefined] = [1]",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "var {undefined} = obj; var {a: undefined} = obj; var {a: {b: {undefined}}} = obj; var {a, ...undefined} = obj;",
+            parserOptions: { ecmaVersion: 9 },
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" },
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "var undefined; undefined = 5;",
+            errors: [
+                { messageId: "shadowingRestrictedName", data: { name: "undefined" }, type: "Identifier" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-shadow.js b/eslint/tests/lib/rules/no-shadow.js
new file mode 100644
index 0000000..365b2f5
--- /dev/null
+++ b/eslint/tests/lib/rules/no-shadow.js
@@ -0,0 +1,532 @@
+/**
+ * @fileoverview Tests for no-shadow rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-shadow"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-shadow", rule, {
+    valid: [
+        "var a=3; function b(x) { a++; return x + a; }; setTimeout(function() { b(a); }, 0);",
+        "(function() { var doSomething = function doSomething() {}; doSomething() }())",
+        "var arguments;\nfunction bar() { }",
+        { code: "var a=3; var b = (x) => { a++; return x + a; }; setTimeout(() => { b(a); }, 0);", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A { constructor() { var a; } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "(function() { var A = class A {}; })()", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ var a; } var a;", parserOptions: { ecmaVersion: 6 } }, // this case reports `no-redeclare`, not shadowing.
+        { code: "{ let a; } let a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ let a; } var a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ let a; } function a() {}", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = 0; } const a = 1;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = 0; } var a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = 0; } function a() {}", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { let a; } let a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { let a; } var a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { let a; } function a() {}", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { var a; } let a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { var a; } var a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { var a; } function a() {}", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { } let a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { } var a;", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { } function a() {}", options: [{ hoist: "never" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "{ let a; } let a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ let a; } var a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = 0; } const a = 1;", parserOptions: { ecmaVersion: 6 } },
+        { code: "{ const a = 0; } var a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { let a; } let a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { let a; } var a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { var a; } let a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { var a; } var a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { } let a;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a) { } var a;", parserOptions: { ecmaVersion: 6 } },
+        "function foo() { var Object = 0; }",
+        { code: "function foo() { var top = 0; }", env: { browser: true } },
+        { code: "var Object = 0;", options: [{ builtinGlobals: true }] },
+        { code: "var top = 0;", options: [{ builtinGlobals: true }], env: { browser: true } },
+        { code: "function foo(cb) { (function (cb) { cb(42); })(cb); }", options: [{ allow: ["cb"] }] }
+    ],
+    invalid: [
+        {
+            code: "function a(x) { var b = function c() { var x = 'foo'; }; }",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier",
+                line: 1,
+                column: 44
+            }]
+        },
+        {
+            code: "var a = (x) => { var b = () => { var x = 'foo'; }; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier",
+                line: 1,
+                column: 38
+            }]
+        },
+        {
+            code: "function a(x) { var b = function () { var x = 'foo'; }; }",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier",
+                line: 1,
+                column: 43
+            }]
+        },
+        {
+            code: "var x = 1; function a(x) { return ++x; }",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier",
+                line: 1,
+                column: 23
+            }]
+        },
+        {
+            code: "var a=3; function b() { var a=10; }",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var a=3; function b() { var a=10; }; setTimeout(function() { b(); }, 0);",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var a=3; function b() { var a=10; var b=0; }; setTimeout(function() { b(); }, 0);",
+            errors: [
+                {
+                    messageId: "noShadow",
+                    data: { name: "a" },
+                    type: "Identifier"
+                }, {
+                    messageId: "noShadow",
+                    data: { name: "b" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "var x = 1; { let x = 2; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "let x = 1; { const x = 2; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "x" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ let a; } function a() {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ const a = 0; } function a() {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { let a; } function a() {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { var a; } function a() {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a) { } function a() {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ let a; } let a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ let a; } var a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ let a; } function a() {}",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ const a = 0; } const a = 1;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ const a = 0; } var a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ const a = 0; } function a() {}",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { let a; } let a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { let a; } var a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { let a; } function a() {}",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { var a; } let a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { var a; } var a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { var a; } function a() {}",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a) { } let a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a) { } var a;",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a) { } function a() {}",
+            options: [{ hoist: "all" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function a() { function a(){} })()",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function a() { class a{} })()",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function a() { (function a(){}); })()",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function a() { (class a{}); })()",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = function(a) {}; })()",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = function() { function a() {} }; })()",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = function() { class a{} }; })()",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = function() { (function a() {}); }; })()",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = function() { (class a{}); }; })()",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function() { var a = class { constructor() { class a {} } }; })()",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "class A { constructor() { var A; } }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(function a() { function a(){ function a(){} } })()",
+            errors: [
+                {
+                    messageId: "noShadow",
+                    data: { name: "a" },
+                    type: "Identifier",
+                    line: 1,
+                    column: 26
+                },
+                {
+                    messageId: "noShadow",
+                    data: { name: "a" },
+                    type: "Identifier",
+                    line: 1,
+                    column: 40
+                }
+            ]
+        },
+        {
+            code: "function foo() { var Object = 0; }",
+            options: [{ builtinGlobals: true }],
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "Object" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { var top = 0; }",
+            options: [{ builtinGlobals: true }],
+            env: { browser: true },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "top" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var Object = 0;",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "Object" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var top = 0;",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            env: { browser: true },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "top" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var Object = 0;",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "Object" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var top = 0;",
+            options: [{ builtinGlobals: true }],
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            env: { browser: true },
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "top" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(cb) { (function (cb) { cb(42); })(cb); }",
+            errors: [{
+                messageId: "noShadow",
+                data: { name: "cb" },
+                type: "Identifier",
+                line: 1,
+                column: 31
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-spaced-func.js b/eslint/tests/lib/rules/no-spaced-func.js
new file mode 100644
index 0000000..6afcbe6
--- /dev/null
+++ b/eslint/tests/lib/rules/no-spaced-func.js
@@ -0,0 +1,107 @@
+/**
+ * @fileoverview Tests for no-spaced-func rule.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-spaced-func"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-spaced-func", rule, {
+    valid: [
+        "f();",
+        "f(a, b);",
+        "f.b();",
+        "f.b().c();",
+        "f()()",
+        "(function() {}())",
+        "var f = new Foo()",
+        "var f = new Foo",
+        "f( (0) )",
+        "( f )( 0 )",
+        "( (f) )( (0) )",
+        "( f()() )(0)",
+        "(function(){ if (foo) { bar(); } }());",
+        "f(0, (1))",
+        "describe/**/('foo', function () {});",
+        "new (foo())"
+    ],
+    invalid: [
+        {
+            code: "f ();",
+            output: "f();",
+            errors: [
+                { messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "f (a, b);",
+            output: "f(a, b);",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "f\n();",
+            output: "f();",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "f.b ();",
+            output: "f.b();",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression", column: 3 }]
+        },
+        {
+            code: "f.b().c ();",
+            output: "f.b().c();",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression", column: 7 }]
+        },
+        {
+            code: "f() ()",
+            output: "f()()",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "(function() {} ())",
+            output: "(function() {}())",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "var f = new Foo ()",
+            output: "var f = new Foo()",
+            errors: [{ messageId: "noSpacedFunction", type: "NewExpression" }]
+        },
+        {
+            code: "f ( (0) )",
+            output: "f( (0) )",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "f(0) (1)",
+            output: "f(0)(1)",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "(f) (0)",
+            output: "(f)(0)",
+            errors: [{ messageId: "noSpacedFunction", type: "CallExpression" }]
+        },
+        {
+            code: "f ();\n t   ();",
+            output: "f();\n t();",
+            errors: [
+                { messageId: "noSpacedFunction", type: "CallExpression" },
+                { messageId: "noSpacedFunction", type: "CallExpression" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-sparse-arrays.js b/eslint/tests/lib/rules/no-sparse-arrays.js
new file mode 100644
index 0000000..11536a3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-sparse-arrays.js
@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Disallow sparse arrays
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-sparse-arrays"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-sparse-arrays", rule, {
+
+    valid: [
+        "var a = [ 1, 2, ]"
+    ],
+
+    invalid: [
+        {
+            code: "var a = [,];",
+            errors: [{
+                messageId: "unexpectedSparseArray",
+                type: "ArrayExpression"
+            }]
+        },
+        {
+            code: "var a = [ 1,, 2];",
+            errors: [{
+                messageId: "unexpectedSparseArray",
+                type: "ArrayExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-sync.js b/eslint/tests/lib/rules/no-sync.js
new file mode 100644
index 0000000..b69605d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-sync.js
@@ -0,0 +1,49 @@
+/**
+ * @fileoverview Tests for no-sync.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-sync"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-sync", rule, {
+    valid: [
+        "var foo = fs.foo.foo();",
+        { code: "var foo = fs.fooSync;", options: [{ allowAtRootLevel: true }] },
+        { code: "if (true) {fs.fooSync();}", options: [{ allowAtRootLevel: true }] }
+    ],
+    invalid: [
+        { code: "var foo = fs.fooSync();", errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }] },
+        {
+            code: "var foo = fs.fooSync();",
+            options: [{ allowAtRootLevel: false }],
+            errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }]
+        },
+        { code: "if (true) {fs.fooSync();}", errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }] },
+        { code: "var foo = fs.fooSync;", errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }] },
+        { code: "function someFunction() {fs.fooSync();}", errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }] },
+        {
+            code: "function someFunction() {fs.fooSync();}",
+            options: [{ allowAtRootLevel: true }],
+            errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }]
+        },
+        {
+            code: "var a = function someFunction() {fs.fooSync();}",
+            options: [{ allowAtRootLevel: true }],
+            errors: [{ messageId: "noSync", data: { propertyName: "fooSync" }, type: "MemberExpression" }]
+        }
+
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-tabs.js b/eslint/tests/lib/rules/no-tabs.js
new file mode 100644
index 0000000..95319d8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-tabs.js
@@ -0,0 +1,157 @@
+/**
+ * @fileoverview Tests for no-tabs rule
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-tabs");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-tabs", rule, {
+    valid: [
+        "function test(){\n}",
+        "function test(){\n" +
+        "  //   sdfdsf \n" +
+        "}",
+
+        {
+            code: "\tdoSomething();",
+            options: [{ allowIndentationTabs: true }]
+        },
+        {
+            code: "\t// comment",
+            options: [{ allowIndentationTabs: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "function test(){\t}",
+            errors: [{
+                messageId: "unexpectedTab",
+                line: 1,
+                column: 17,
+                endLine: 1,
+                endColumn: 18
+            }]
+        },
+        {
+            code: "/** \t comment test */",
+            errors: [{
+                messageId: "unexpectedTab",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code:
+            "function test(){\n" +
+            "  //\tsdfdsf \n" +
+            "}",
+            errors: [{
+                messageId: "unexpectedTab",
+                line: 2,
+                column: 5,
+                endLine: 2,
+                endColumn: 6
+            }]
+        },
+        {
+            code:
+            "function\ttest(){\n" +
+            "  //sdfdsf \n" +
+            "}",
+            errors: [{
+                messageId: "unexpectedTab",
+                line: 1,
+                column: 9,
+                endLine: 1,
+                endColumn: 10
+            }]
+        },
+        {
+            code:
+            "function test(){\n" +
+            "  //\tsdfdsf \n" +
+            "\t}",
+            errors: [
+                {
+                    messageId: "unexpectedTab",
+                    line: 2,
+                    column: 5,
+                    endLine: 2,
+                    endColumn: 6
+                },
+                {
+                    messageId: "unexpectedTab",
+                    line: 3,
+                    column: 1,
+                    endLine: 3,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "\t// Comment with leading tab \t and inline tab",
+            options: [{ allowIndentationTabs: true }],
+            errors: [{
+                messageId: "unexpectedTab",
+                line: 1,
+                column: 30,
+                endLine: 1,
+                endColumn: 31
+            }]
+        },
+        {
+            code: "\t\ta =\t\t\tb +\tc\t\t;\t\t",
+            errors: [
+                {
+                    messageId: "unexpectedTab",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 3
+                },
+                {
+                    messageId: "unexpectedTab",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 9
+                },
+                {
+                    messageId: "unexpectedTab",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedTab",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 16
+                },
+                {
+                    messageId: "unexpectedTab",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 19
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-template-curly-in-string.js b/eslint/tests/lib/rules/no-template-curly-in-string.js
new file mode 100644
index 0000000..04dfd49
--- /dev/null
+++ b/eslint/tests/lib/rules/no-template-curly-in-string.js
@@ -0,0 +1,79 @@
+/**
+ * @fileoverview Warn when using template string syntax in regular strings.
+ * @author Jeroen Engels
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-template-curly-in-string"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const messageId = "unexpectedTemplateExpression";
+const parserOptions = { ecmaVersion: 6 };
+
+ruleTester.run("no-template-curly-in-string", rule, {
+    valid: [
+        { code: "`Hello, ${name}`;", parserOptions },
+        { code: "templateFunction`Hello, ${name}`;", parserOptions },
+        { code: "`Hello, name`;", parserOptions },
+        { code: "'Hello, name';", parserOptions },
+        { code: "'Hello, ' + name;", parserOptions },
+        { code: "`Hello, ${index + 1}`", parserOptions },
+        { code: "`Hello, ${name + \" foo\"}`", parserOptions },
+        { code: "`Hello, ${name || \"foo\"}`", parserOptions },
+        { code: "`Hello, ${{foo: \"bar\"}.foo}`", parserOptions },
+        { code: "'$2'", parserOptions },
+        { code: "'${'", parserOptions },
+        { code: "'$}'", parserOptions },
+        { code: "'{foo}'", parserOptions },
+        { code: "'{foo: \"bar\"}'", parserOptions },
+        { code: "const number = 3", parserOptions }
+    ],
+    invalid: [
+        {
+            code: "'Hello, ${name}'",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "\"Hello, ${name}\"",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "'${greeting}, ${name}'",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "'Hello, ${index + 1}'",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "'Hello, ${name + \" foo\"}'",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "'Hello, ${name || \"foo\"}'",
+            parserOptions,
+            errors: [{ messageId }]
+        },
+        {
+            code: "'Hello, ${{foo: \"bar\"}.foo}'",
+            parserOptions,
+            errors: [{ messageId }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-ternary.js b/eslint/tests/lib/rules/no-ternary.js
new file mode 100644
index 0000000..35d0250
--- /dev/null
+++ b/eslint/tests/lib/rules/no-ternary.js
@@ -0,0 +1,30 @@
+/**
+ * @fileoverview Tests for no-ternary.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-ternary"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-ternary", rule, {
+    valid: [
+        "\"x ? y\";"
+    ],
+    invalid: [
+        { code: "var foo = true ? thing : stuff;", errors: [{ messageId: "noTernaryOperator", type: "ConditionalExpression" }] },
+        { code: "true ? thing() : stuff();", errors: [{ messageId: "noTernaryOperator", type: "ConditionalExpression" }] },
+        { code: "function foo(bar) { return bar ? baz : qux; }", errors: [{ messageId: "noTernaryOperator", type: "ConditionalExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-this-before-super.js b/eslint/tests/lib/rules/no-this-before-super.js
new file mode 100644
index 0000000..c41b8c9
--- /dev/null
+++ b/eslint/tests/lib/rules/no-this-before-super.js
@@ -0,0 +1,166 @@
+/**
+ * @fileoverview Tests for no-this-before-super rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-this-before-super");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-this-before-super", rule, {
+    valid: [
+
+        /*
+         * if the class has no extends or `extends null`, just ignore.
+         * those classes cannot call `super()`.
+         */
+        "class A { }",
+        "class A { constructor() { } }",
+        "class A { constructor() { this.b = 0; } }",
+        "class A { constructor() { this.b(); } }",
+        "class A extends null { }",
+        "class A extends null { constructor() { } }",
+
+        // allows `this`/`super` after `super()`.
+        "class A extends B { }",
+        "class A extends B { constructor() { super(); } }",
+        "class A extends B { constructor() { super(); this.c = this.d; } }",
+        "class A extends B { constructor() { super(); this.c(); } }",
+        "class A extends B { constructor() { super(); super.c(); } }",
+        "class A extends B { constructor() { if (true) { super(); } else { super(); } this.c(); } }",
+
+        // allows `this`/`super` in nested executable scopes, even if before `super()`.
+        "class A extends B { constructor() { class B extends C { constructor() { super(); this.d = 0; } } super(); } }",
+        "class A extends B { constructor() { var B = class extends C { constructor() { super(); this.d = 0; } }; super(); } }",
+        "class A extends B { constructor() { function c() { this.d(); } super(); } }",
+        "class A extends B { constructor() { var c = function c() { this.d(); }; super(); } }",
+        "class A extends B { constructor() { var c = () => this.d(); super(); } }",
+
+        // ignores out of constructors.
+        "class A { b() { this.c = 0; } }",
+        "class A extends B { c() { this.d = 0; } }",
+        "function a() { this.b = 0; }",
+
+        // multi code path.
+        "class A extends B { constructor() { if (a) { super(); this.a(); } else { super(); this.b(); } } }",
+        "class A extends B { constructor() { if (a) super(); else super(); this.a(); } }",
+        "class A extends B { constructor() { try { super(); } finally {} this.a(); } }",
+
+        // https://github.com/eslint/eslint/issues/5261
+        "class A extends B { constructor(a) { super(); for (const b of a) { this.a(); } } }",
+        "class A extends B { constructor(a) { for (const b of a) { foo(b); } super(); } }",
+
+        // https://github.com/eslint/eslint/issues/5319
+        "class A extends B { constructor(a) { super(); this.a = a && function(){} && this.foo; } }",
+
+        // https://github.com/eslint/eslint/issues/5394
+        [
+            "class A extends Object {",
+            "    constructor() {",
+            "        super();",
+            "        for (let i = 0; i < 0; i++);",
+            "        this;",
+            "    }",
+            "}"
+        ].join("\n"),
+
+        // https://github.com/eslint/eslint/issues/5894
+        "class A { constructor() { return; this; } }",
+        "class A extends B { constructor() { return; this; } }",
+
+        // https://github.com/eslint/eslint/issues/8848
+        `
+            class A extends B {
+                constructor(props) {
+                    super(props);
+
+                    try {
+                        let arr = [];
+                        for (let a of arr) {
+                        }
+                    } catch (err) {
+                    }
+                }
+            }
+        `
+    ],
+    invalid: [
+
+        // disallows all `this`/`super` if `super()` is missing.
+        {
+            code: "class A extends B { constructor() { this.c = 0; } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { this.c(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { super.c(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "super" }, type: "Super" }]
+        },
+
+        // disallows `this`/`super` before `super()`.
+        {
+            code: "class A extends B { constructor() { this.c = 0; super(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { this.c(); super(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { super.c(); super(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "super" }, type: "Super" }]
+        },
+
+        // disallows `this`/`super` in arguments of `super()`.
+        {
+            code: "class A extends B { constructor() { super(this.c); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { super(this.c()); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { super(super.c()); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "super" }, type: "Super" }]
+        },
+
+        // even if is nested, reports correctly.
+        {
+            code: "class A extends B { constructor() { class C extends D { constructor() { super(); this.e(); } } this.f(); super(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression", column: 96 }]
+        },
+        {
+            code: "class A extends B { constructor() { class C extends D { constructor() { this.e(); super(); } } super(); this.f(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression", column: 73 }]
+        },
+
+        // multi code path.
+        {
+            code: "class A extends B { constructor() { if (a) super(); this.a(); } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { try { super(); } finally { this.a; } } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        },
+        {
+            code: "class A extends B { constructor() { try { super(); } catch (err) { } this.a; } }",
+            errors: [{ messageId: "noBeforeSuper", data: { kind: "this" }, type: "ThisExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-throw-literal.js b/eslint/tests/lib/rules/no-throw-literal.js
new file mode 100644
index 0000000..0500211
--- /dev/null
+++ b/eslint/tests/lib/rules/no-throw-literal.js
@@ -0,0 +1,150 @@
+/**
+ * @fileoverview Tests for no-throw-literal rule.
+ * @author Dieter Oberkofler
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-throw-literal"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-throw-literal", rule, {
+    valid: [
+        "throw new Error();",
+        "throw new Error('error');",
+        "throw Error('error');",
+        "var e = new Error(); throw e;",
+        "try {throw new Error();} catch (e) {throw e;};",
+        "throw a;", // Identifier
+        "throw foo();", // CallExpression
+        "throw new foo();", // NewExpression
+        "throw foo.bar;", // MemberExpression
+        "throw foo[bar];", // MemberExpression
+        "throw foo = new Error();", // AssignmentExpression
+        "throw 1, 2, new Error();", // SequenceExpression
+        "throw 'literal' && new Error();", // LogicalExpression (right)
+        "throw new Error() || 'literal';", // LogicalExpression (left)
+        "throw foo ? new Error() : 'literal';", // ConditionalExpression (consequent)
+        "throw foo ? 'literal' : new Error();", // ConditionalExpression (alternate)
+        { code: "throw tag `${foo}`;", parserOptions: { ecmaVersion: 6 } }, // TaggedTemplateExpression
+        { code: "function* foo() { var index = 0; throw yield index++; }", parserOptions: { ecmaVersion: 6 } }, // YieldExpression
+        { code: "async function foo() { throw await bar; }", parserOptions: { ecmaVersion: 8 } } // AwaitExpression
+    ],
+    invalid: [
+        {
+            code: "throw 'error';",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "throw 0;",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "throw false;",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "throw null;",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "throw {};",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "throw undefined;",
+            errors: [{
+                messageId: "undef",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // String concatenation
+        {
+            code: "throw 'a' + 'b';",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+        {
+            code: "var b = new Error(); throw 'a' + b;",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // AssignmentExpression
+        {
+            code: "throw foo = 'error';",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // SequenceExpression
+        {
+            code: "throw new Error(), 1, 2, 3;",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // LogicalExpression
+        {
+            code: "throw 'literal' && 'not an Error';",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // ConditionalExpression
+        {
+            code: "throw foo ? 'not an Error' : 'literal';",
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+            }]
+        },
+
+        // TemplateLiteral
+        {
+            code: "throw `${err}`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "object",
+                type: "ThrowStatement"
+
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-trailing-spaces.js b/eslint/tests/lib/rules/no-trailing-spaces.js
new file mode 100644
index 0000000..1275e07
--- /dev/null
+++ b/eslint/tests/lib/rules/no-trailing-spaces.js
@@ -0,0 +1,612 @@
+/**
+ * @fileoverview Disallow trailing spaces at the end of lines.
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-trailing-spaces"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-trailing-spaces", rule, {
+
+    valid: [
+        {
+            code: "var a = 5;",
+            options: [{}]
+        },
+        {
+            code: "var a = 5,\n    b = 3;",
+            options: [{}]
+        },
+        "var a = 5;",
+        "var a = 5,\n    b = 3;",
+        {
+            code: "var a = 5,\n    b = 3;",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "     ",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "\t",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "     \n    var c = 1;",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "\t\n\tvar c = 2;",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "\n   var c = 3;",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "\n\tvar c = 4;",
+            options: [{ skipBlankLines: true }]
+        },
+        {
+            code: "let str = `${a}\n   \n${b}`;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let str = `${a}\n   \n${b}`;\n   \n   ",
+            options: [{ skipBlankLines: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "// Trailing comment test. ",
+            options: [{ ignoreComments: true }]
+        },
+        {
+            code: "// Trailing comment test.",
+            options: [{ ignoreComments: false }]
+        },
+        {
+            code: "// Trailing comment test.",
+            options: []
+        },
+        {
+            code: "/* \nTrailing comments test. \n*/",
+            options: [{ ignoreComments: true }]
+        },
+        {
+            code: "#!/usr/bin/env node ",
+            options: [{ ignoreComments: true }]
+        },
+        {
+            code: "/* \n */ // ",
+            options: [{ ignoreComments: true }]
+        },
+        {
+            code: "/* \n */ /* \n */",
+            options: [{ ignoreComments: true }]
+        }
+    ],
+
+    invalid: [
+        {
+            code:
+            "var short2 = true;\r\n" +
+            "\r\n" +
+            "module.exports = {\r\n" +
+            "  short: short,    \r\n" +
+            "  short2: short\r\n" +
+            "}",
+            output:
+            "var short2 = true;\r\n" +
+            "\r\n" +
+            "module.exports = {\r\n" +
+            "  short: short,\r\n" +
+            "  short2: short\r\n" +
+            "}",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code:
+            "var short2 = true;\n" +
+            "\r\n" +
+            "module.exports = {\r\n" +
+            "  short: short,    \r\n" +
+            "  short2: short\n" +
+            "}",
+            output:
+            "var short2 = true;\n" +
+            "\r\n" +
+            "module.exports = {\r\n" +
+            "  short: short,\r\n" +
+            "  short2: short\n" +
+            "}",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code:
+            "var short2 = true;\n" +
+            "\n" +
+            "module.exports = {\n" +
+            "  short: short,    \n" +
+            "  short2: short\n" +
+            "}\n",
+            output:
+            "var short2 = true;\n" +
+            "\n" +
+            "module.exports = {\n" +
+            "  short: short,\n" +
+            "  short2: short\n" +
+            "}\n",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code:
+            "var short2 = true;\n" +
+            "\n" +
+            "module.exports = {\n" +
+            "  short,    \n" +
+            "  short2\n" +
+            "}\n",
+            output:
+            "var short2 = true;\n" +
+            "\n" +
+            "module.exports = {\n" +
+            "  short,\n" +
+            "  short2\n" +
+            "}\n",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code:
+            "\n" +
+            "measAr.push(\"<dl></dl>\",  \n" +
+            "         \" </dt><dd class ='pta-res'>\");",
+            output:
+            "\n" +
+            "measAr.push(\"<dl></dl>\",\n" +
+            "         \" </dt><dd class ='pta-res'>\");",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code:
+            "measAr.push(\"<dl></dl>\",  \n" +
+            "         \" </dt><dd class ='pta-res'>\");",
+            output:
+            "measAr.push(\"<dl></dl>\",\n" +
+            "         \" </dt><dd class ='pta-res'>\");",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5;      \n",
+            output: "var a = 5;\n",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5; \n b = 3; ",
+            output: "var a = 5;\n b = 3;",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }, {
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5; \n\n b = 3; ",
+            output: "var a = 5;\n\n b = 3;",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }, {
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5;\t\n  b = 3;",
+            output: "var a = 5;\n  b = 3;",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "     \n    var c = 1;",
+            output: "\n    var c = 1;",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "\t\n\tvar c = 2;",
+            output: "\n\tvar c = 2;",
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5;      \n",
+            output: "var a = 5;\n",
+            options: [{}],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 5; \n b = 3; ",
+            output: "var a = 5;\n b = 3;",
+            options: [{}],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 12
+            }, {
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 2,
+                column: 8,
+                endLine: 2,
+                endColumn: 9
+            }]
+        },
+        {
+            code: "var a = 5;\t\n  b = 3;",
+            output: "var a = 5;\n  b = 3;",
+            options: [{}],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 1,
+                column: 11,
+                endLine: 1,
+                endColumn: 12
+            }]
+        },
+        {
+            code: "     \n    var c = 1;",
+            output: "\n    var c = 1;",
+            options: [{}],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 1,
+                column: 1,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "\t\n\tvar c = 2;",
+            output: "\n\tvar c = 2;",
+            options: [{}],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program"
+            }]
+        },
+        {
+            code: "var a = 'bar';  \n \n\t",
+            output: "var a = 'bar';\n \n\t",
+            options: [{
+                skipBlankLines: true
+            }],
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 1,
+                column: 15, // there are invalid spaces in columns 15 and 16
+                endLine: 1,
+                endColumn: 17
+            }]
+        },
+        {
+            code: "var a = 'foo';   \nvar b = 'bar';  \n  \n",
+            output: "var a = 'foo';\nvar b = 'bar';\n  \n",
+            options: [{
+                skipBlankLines: true
+            }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 18
+                },
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 15,
+                    endLine: 2,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "let str = `${a}\n  \n${b}`;  \n",
+            output: "let str = `${a}\n  \n${b}`;\n",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "trailingSpace",
+                type: "Program",
+                line: 3,
+                column: 7,
+                endLine: 3,
+                endColumn: 9
+            }]
+        },
+        {
+            code: "let str = `\n${a}\n  \n${b}`;  \n\t",
+            output: "let str = `\n${a}\n  \n${b}`;\n",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 4,
+                    column: 7,
+                    endLine: 4,
+                    endColumn: 9
+                },
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 5,
+                    column: 1,
+                    endLine: 5,
+                    endColumn: 2
+                }
+            ]
+        },
+        {
+            code: "let str = `  \n  ${a}\n  \n${b}`;  \n",
+            output: "let str = `  \n  ${a}\n  \n${b}`;\n",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 4,
+                    column: 7,
+                    endLine: 4,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "let str = `${a}\n  \n${b}`;  \n  \n",
+            output: "let str = `${a}\n  \n${b}`;\n  \n",
+            options: [{
+                skipBlankLines: true
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 3,
+                    column: 7,
+                    endLine: 3,
+                    endColumn: 9
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/6933
+        {
+            code: "    \nabcdefg ",
+            output: "    \nabcdefg",
+            options: [{ skipBlankLines: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "    \nabcdefg ",
+            output: "\nabcdefg",
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 5
+                },
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                }
+            ]
+        },
+
+        // Tests for ignoreComments flag.
+        {
+            code: "var foo = 'bar'; ",
+            output: "var foo = 'bar';",
+            options: [{ ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                }
+            ]
+        },
+        {
+            code: "/* */ ",
+            output: "/* */",
+            options: [{ ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 6
+                }
+            ]
+        },
+        {
+            code: "/* */foo ",
+            output: "/* */foo",
+            options: [{ ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "/* \n */ ",
+            output: "/* \n */",
+            options: [{ ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "/* \n */ foo ",
+            output: "/* \n */ foo",
+            options: [{ ignoreComments: true }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "// Trailing comment test. ",
+            output: "// Trailing comment test.",
+            options: [{ ignoreComments: false }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 26,
+                    endLine: 1,
+                    endColumn: 27
+                }
+            ]
+        },
+        {
+            code: "/* \nTrailing comments test. \n*/",
+            output: "/*\nTrailing comments test.\n*/",
+            options: [{ ignoreComments: false }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 3,
+                    endLine: 1,
+                    endColumn: 4
+                },
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 2,
+                    column: 24,
+                    endLine: 2,
+                    endColumn: 25
+                }
+            ]
+        },
+        {
+            code: "#!/usr/bin/env node ",
+            output: "#!/usr/bin/env node",
+            options: [{ ignoreComments: false }],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 20,
+                    endLine: 1,
+                    endColumn: 21
+                }
+            ]
+        },
+        {
+            code: "// Trailing comment default test. ",
+            output: "// Trailing comment default test.",
+            options: [],
+            errors: [
+                {
+                    messageId: "trailingSpace",
+                    type: "Program",
+                    line: 1,
+                    column: 34,
+                    endLine: 1,
+                    endColumn: 35
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-undef-init.js b/eslint/tests/lib/rules/no-undef-init.js
new file mode 100644
index 0000000..b57b9cd
--- /dev/null
+++ b/eslint/tests/lib/rules/no-undef-init.js
@@ -0,0 +1,153 @@
+/**
+ * @fileoverview Tests for undefined rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-undef-init"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-undef-init", rule, {
+    valid: [
+        "var a;",
+        { code: "const foo = undefined", parserOptions: { ecmaVersion: 6 } },
+        "var undefined = 5; var foo = undefined;"
+    ],
+    invalid: [
+        {
+            code: "var a = undefined;",
+            output: null,
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "var a = undefined, b = 1;",
+            output: null,
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "var a = 1, b = undefined, c = 5;",
+            output: null,
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "b" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "var [a] = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "[a]" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "var {a} = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "{a}" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "for(var i in [1,2,3]){var a = undefined; for(var j in [1,2,3]){}}",
+            output: null,
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = undefined;",
+            output: "let a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = undefined, b = 1;",
+            output: "let a, b = 1;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = 1, b = undefined, c = 5;",
+            output: "let a = 1, b, c = 5;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "b" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let [a] = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "[a]" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let {a} = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "{a}" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "for(var i in [1,2,3]){let a = undefined; for(var j in [1,2,3]){}}",
+            output: "for(var i in [1,2,3]){let a; for(var j in [1,2,3]){}}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+
+        // Should not autofix if it would remove comments
+        {
+            code: "let /* comment */a = undefined;",
+            output: "let /* comment */a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a/**/ = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a /**/ = undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a//\n= undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = /**/undefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = //\nundefined;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = undefined/* comment */;",
+            output: "let a/* comment */;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = undefined/* comment */, b;",
+            output: "let a/* comment */, b;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        },
+        {
+            code: "let a = undefined//comment\n, b;",
+            output: "let a//comment\n, b;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryUndefinedInit", data: { name: "a" }, type: "VariableDeclarator" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-undef.js b/eslint/tests/lib/rules/no-undef.js
new file mode 100644
index 0000000..13bca8c
--- /dev/null
+++ b/eslint/tests/lib/rules/no-undef.js
@@ -0,0 +1,106 @@
+/**
+ * @fileoverview Tests for no-undef rule.
+ * @author Mark Macdonald
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-undef"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-undef", rule, {
+    valid: [
+        "var a = 1, b = 2; a;",
+        "/*global b*/ function f() { b; }",
+        { code: "function f() { b; }", globals: { b: false } },
+        "/*global b a:false*/  a;  function f() { b; a; }",
+        "function a(){}  a();",
+        "function f(b) { b; }",
+        "var a; a = 1; a++;",
+        "var a; function f() { a = 1; }",
+        "/*global b:true*/ b++;",
+        "/*eslint-env browser*/ window;",
+        "/*eslint-env node*/ require(\"a\");",
+        "Object; isNaN();",
+        "toString()",
+        "hasOwnProperty()",
+        "function evilEval(stuffToEval) { var ultimateAnswer; ultimateAnswer = 42; eval(stuffToEval); }",
+        "typeof a",
+        "typeof (a)",
+        "var b = typeof a",
+        "typeof a === 'undefined'",
+        "if (typeof a === 'undefined') {}",
+        { code: "function foo() { var [a, b=4] = [1, 2]; return {a, b}; }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var toString = 1;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function myFunc(...foo) {  return foo;}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var React, App, a=1; React.render(<App attr={a} />);", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var console; [1,2,3].forEach(obj => {\n  console.log(obj);\n});", parserOptions: { ecmaVersion: 6 } },
+        { code: "var Foo; class Bar extends Foo { constructor() { super();  }}", parserOptions: { ecmaVersion: 6 } },
+        { code: "import Warning from '../lib/warning'; var warn = new Warning('text');", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import * as Warning from '../lib/warning'; var warn = new Warning('text');", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var a; [a] = [0];", parserOptions: { ecmaVersion: 6 } },
+        { code: "var a; ({a} = {});", parserOptions: { ecmaVersion: 6 } },
+        { code: "var a; ({b: a} = {});", parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj; [obj.a, obj.b] = [0, 1];", parserOptions: { ecmaVersion: 6 } },
+        { code: "URLSearchParams;", env: { browser: true } },
+        { code: "Intl;", env: { browser: true } },
+        { code: "IntersectionObserver;", env: { browser: true } },
+        { code: "Credential;", env: { browser: true } },
+        { code: "requestIdleCallback;", env: { browser: true } },
+        { code: "customElements;", env: { browser: true } },
+        { code: "PromiseRejectionEvent;", env: { browser: true } },
+
+        // Notifications of readonly are removed: https://github.com/eslint/eslint/issues/4504
+        "/*global b:false*/ function f() { b = 1; }",
+        { code: "function f() { b = 1; }", globals: { b: false } },
+        "/*global b:false*/ function f() { b++; }",
+        "/*global b*/ b = 1;",
+        "/*global b:false*/ var b = 1;",
+        "Array = 1;",
+
+        // new.target: https://github.com/eslint/eslint/issues/5420
+        { code: "class A { constructor() { new.target; } }", parserOptions: { ecmaVersion: 6 } },
+
+        // Experimental,
+        {
+            code: "var {bacon, ...others} = stuff; foo(others)",
+            parserOptions: {
+                ecmaVersion: 2018
+            },
+            globals: { stuff: false, foo: false }
+        }
+    ],
+    invalid: [
+        { code: "a = 1;", errors: [{ messageId: "undef", data: { name: "a" }, type: "Identifier" }] },
+        { code: "if (typeof anUndefinedVar === 'string') {}", options: [{ typeof: true }], errors: [{ messageId: "undef", data: { name: "anUndefinedVar" }, type: "Identifier" }] },
+        { code: "var a = b;", errors: [{ messageId: "undef", data: { name: "b" }, type: "Identifier" }] },
+        { code: "function f() { b; }", errors: [{ messageId: "undef", data: { name: "b" }, type: "Identifier" }] },
+        { code: "window;", errors: [{ messageId: "undef", data: { name: "window" }, type: "Identifier" }] },
+        { code: "require(\"a\");", errors: [{ messageId: "undef", data: { name: "require" }, type: "Identifier" }] },
+        { code: "var React; React.render(<img attr={a} />);", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } }, errors: [{ messageId: "undef", data: { name: "a" } }] },
+        { code: "var React, App; React.render(<App attr={a} />);", parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } }, errors: [{ messageId: "undef", data: { name: "a" } }] },
+        { code: "[a] = [0];", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "undef", data: { name: "a" } }] },
+        { code: "({a} = {});", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "undef", data: { name: "a" } }] },
+        { code: "({b: a} = {});", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "undef", data: { name: "a" } }] },
+        { code: "[obj.a, obj.b] = [0, 1];", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "undef", data: { name: "obj" } }, { messageId: "undef", data: { name: "obj" } }] },
+
+        // Experimental
+        {
+            code: "const c = 0; const a = {...b, c};",
+            parserOptions: {
+                ecmaVersion: 2018
+            },
+            errors: [{ messageId: "undef", data: { name: "b" } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-undefined.js b/eslint/tests/lib/rules/no-undefined.js
new file mode 100644
index 0000000..8afccc5
--- /dev/null
+++ b/eslint/tests/lib/rules/no-undefined.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Tests for no-undefined rule.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-undefined"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ES6_SCRIPT = { ecmaVersion: 6 };
+const ES6_MODULE = { ecmaVersion: 6, sourceType: "module" };
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errors = [{ messageId: "unexpectedUndefined", type: "Identifier" }];
+
+const ruleTester = new RuleTester({ parserOptions: ES6_SCRIPT });
+
+ruleTester.run("no-undefined", rule, {
+    valid: [
+        "void 0",
+        "void!0",
+        "void-0",
+        "void+0",
+        "null",
+        "undefine",
+        "ndefined",
+        "a.undefined",
+        "this.undefined",
+        "global['undefined']",
+
+        // https://github.com/eslint/eslint/issues/7964
+        "({ undefined: bar })",
+        "({ undefined: bar } = foo)",
+        "({ undefined() {} })",
+        "class Foo { undefined() {} }",
+        "(class { undefined() {} })",
+        { code: "import { undefined as a } from 'foo'", parserOptions: ES6_MODULE },
+        { code: "export { undefined } from 'foo'", parserOptions: ES6_MODULE },
+        { code: "export { undefined as a } from 'foo'", parserOptions: ES6_MODULE },
+        { code: "export { a as undefined } from 'foo'", parserOptions: ES6_MODULE }
+    ],
+    invalid: [
+        { code: "undefined", errors },
+        { code: "undefined.a", errors },
+        { code: "a[undefined]", errors },
+        { code: "undefined[0]", errors },
+        { code: "f(undefined)", errors },
+        { code: "function f(undefined) {}", errors },
+        { code: "function f() { var undefined; }", errors },
+        { code: "function f() { undefined = true; }", errors },
+        { code: "var undefined;", errors },
+        { code: "try {} catch(undefined) {}", errors },
+        { code: "function undefined() {}", errors },
+        { code: "(function undefined(){}())", errors },
+        { code: "var foo = function undefined() {}", errors },
+        { code: "foo = function undefined() {}", errors },
+        { code: "undefined = true", errors },
+        { code: "var undefined = true", errors },
+        { code: "({ undefined })", errors },
+        { code: "({ [undefined]: foo })", errors },
+        { code: "({ bar: undefined })", errors },
+        { code: "({ bar: undefined } = foo)", errors },
+        { code: "var { undefined } = foo", errors },
+        { code: "var { bar: undefined } = foo", errors },
+        {
+            code: "({ undefined: function undefined() {} })",
+            errors: [Object.assign({}, errors[0], { column: 24 })]
+        },
+        { code: "({ foo: function undefined() {} })", errors },
+        { code: "class Foo { [undefined]() {} }", errors },
+        { code: "(class { [undefined]() {} })", errors },
+        {
+            code: "var undefined = true; undefined = false;",
+            errors: [{
+                messageId: "unexpectedUndefined",
+                column: 5
+            }, {
+                messageId: "unexpectedUndefined",
+                column: 23
+            }]
+        },
+        {
+            code: "import undefined from 'foo'",
+            parserOptions: ES6_MODULE,
+            errors
+        },
+        {
+            code: "import * as undefined from 'foo'",
+            parserOptions: ES6_MODULE,
+            errors
+        },
+        {
+            code: "import { undefined } from 'foo'",
+            parserOptions: ES6_MODULE,
+            errors
+        },
+        {
+            code: "import { a as undefined } from 'foo'",
+            parserOptions: ES6_MODULE,
+            errors
+        },
+
+        /*
+         * it will be warned "Parsing error: Export 'undefined' is not defined" (acorn@>=6.0.7)
+         * {
+         *     code: "export { undefined }",
+         *     parserOptions: ES6_MODULE,
+         *     errors
+         * },
+         */
+        { code: "let a = [b, ...undefined]", errors },
+        { code: "[a, ...undefined] = b", errors },
+        { code: "[a = undefined] = b", errors }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-underscore-dangle.js b/eslint/tests/lib/rules/no-underscore-dangle.js
new file mode 100644
index 0000000..4baef3e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-underscore-dangle.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Test for no-underscore-dangle rule
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-underscore-dangle"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-underscore-dangle", rule, {
+    valid: [
+        "var foo_bar = 1;",
+        "function foo_bar() {}",
+        "foo.bar.__proto__;",
+        "console.log(__filename); console.log(__dirname);",
+        "var _ = require('underscore');",
+        "var a = b._;",
+        { code: "export default function() {}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var _foo = 1", options: [{ allow: ["_foo"] }] },
+        { code: "var __proto__ = 1;", options: [{ allow: ["__proto__"] }] },
+        { code: "foo._bar;", options: [{ allow: ["_bar"] }] },
+        { code: "function _foo() {}", options: [{ allow: ["_foo"] }] },
+        { code: "this._bar;", options: [{ allowAfterThis: true }] },
+        { code: "class foo { constructor() { super._bar; } }", options: [{ allowAfterSuper: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "class foo { _onClick() { } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "class foo { onClick_() { } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { _onClick() { } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { onClick_() { } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { _onClick() { } }", options: [{ allow: ["_onClick"], enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { _foo: 'bar' }", parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { foo_: 'bar' }", parserOptions: { ecmaVersion: 6 } },
+        { code: "this.constructor._bar", options: [{ allowAfterThisConstructor: true }] }
+    ],
+    invalid: [
+        { code: "var _foo = 1", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_foo" }, type: "VariableDeclarator" }] },
+        { code: "var foo_ = 1", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "foo_" }, type: "VariableDeclarator" }] },
+        { code: "function _foo() {}", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_foo" }, type: "FunctionDeclaration" }] },
+        { code: "function foo_() {}", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "foo_" }, type: "FunctionDeclaration" }] },
+        { code: "var __proto__ = 1;", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "__proto__" }, type: "VariableDeclarator" }] },
+        { code: "foo._bar;", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_bar" }, type: "MemberExpression" }] },
+        { code: "this._prop;", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_prop" }, type: "MemberExpression" }] },
+        { code: "class foo { constructor() { super._prop; } }", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_prop" }, type: "MemberExpression" }] },
+        { code: "class foo { constructor() { this._prop; } }", options: [{ allowAfterSuper: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_prop" }, type: "MemberExpression" }] },
+        { code: "class foo { _onClick() { } }", options: [{ enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_onClick" }, type: "MethodDefinition" }] },
+        { code: "class foo { onClick_() { } }", options: [{ enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "onClick_" }, type: "MethodDefinition" }] },
+        { code: "const o = { _onClick() { } }", options: [{ enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_onClick" }, type: "Property" }] },
+        { code: "const o = { onClick_() { } }", options: [{ enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "onClick_" }, type: "Property" }] },
+        { code: "this.constructor._bar", errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_bar" }, type: "MemberExpression" }] },
+        { code: "foo.constructor._bar", options: [{ allowAfterThisConstructor: true }], errors: [{ messageId: "unexpectedUnderscore", data: { identifier: "_bar" }, type: "MemberExpression" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unexpected-multiline.js b/eslint/tests/lib/rules/no-unexpected-multiline.js
new file mode 100644
index 0000000..6d0eba3
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unexpected-multiline.js
@@ -0,0 +1,267 @@
+/**
+ * @fileoverview Tests for no-unexpected-multiline rule.
+ * @author Glen Mailer
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unexpected-multiline"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unexpected-multiline", rule, {
+    valid: [
+        "(x || y).aFunction()",
+        "[a, b, c].forEach(doSomething)",
+        "var a = b;\n(x || y).doSomething()",
+        "var a = b\n;(x || y).doSomething()",
+        "var a = b\nvoid (x || y).doSomething()",
+        "var a = b;\n[1, 2, 3].forEach(console.log)",
+        "var a = b\nvoid [1, 2, 3].forEach(console.log)",
+        "\"abc\\\n(123)\"",
+        "var a = (\n(123)\n)",
+        "f(\n(x)\n)",
+        "(\nfunction () {}\n)[1]",
+        {
+            code: "let x = function() {};\n   `hello`",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let x = function() {}\nx `hello`",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "String.raw `Hi\n${2+3}!`;",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "x\n.y\nz `Valid Test Case`",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        `
+            foo
+            / bar /2
+        `,
+        `
+            foo
+            / bar / mgy
+        `,
+        `
+            foo
+            / bar /
+            gym
+        `,
+        `
+            foo
+            / bar
+            / ygm
+        `,
+        `
+            foo
+            / bar /GYM
+        `,
+        `
+            foo
+            / bar / baz
+        `,
+        "foo /bar/g",
+        `
+            foo
+            /denominator/
+            2
+        `,
+        `
+            foo
+            / /abc/
+        `,
+        `
+            5 / (5
+            / 5)
+        `,
+
+        // https://github.com/eslint/eslint/issues/11650
+        {
+            code: `
+                tag<generic>\`
+                    multiline
+                \`;
+            `,
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-1")
+        },
+        {
+            code: `
+                tag<
+                  generic
+                >\`
+                    multiline
+                \`;
+            `,
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-2")
+        },
+        {
+            code: `
+                tag<
+                  generic
+                >\`multiline\`;
+            `,
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-3")
+        }
+    ],
+    invalid: [
+        {
+            code: "var a = b\n(x || y).doSomething()",
+            errors: [{
+                messageId: "function",
+                line: 2,
+                column: 1
+
+            }]
+        },
+        {
+            code: "var a = (a || b)\n(x || y).doSomething()",
+            errors: [{
+                line: 2,
+                column: 1,
+                messageId: "function"
+            }]
+        },
+        {
+            code: "var a = (a || b)\n(x).doSomething()",
+            errors: [{
+                line: 2,
+                column: 1,
+                messageId: "function"
+            }]
+        },
+        {
+            code: "var a = b\n[a, b, c].forEach(doSomething)",
+            errors: [{
+                line: 2,
+                column: 1,
+                messageId: "property"
+            }]
+        },
+        {
+            code: "var a = b\n    (x || y).doSomething()",
+            errors: [{
+                line: 2,
+                column: 5,
+                messageId: "function"
+            }]
+        },
+        {
+            code: "var a = b\n  [a, b, c].forEach(doSomething)",
+            errors: [{
+                line: 2,
+                column: 3,
+                messageId: "property"
+            }]
+        },
+        {
+            code: "let x = function() {}\n `hello`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 9,
+                messageId: "taggedTemplate"
+            }]
+        },
+        {
+            code: "let x = function() {}\nx\n`hello`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 2,
+                column: 1,
+                messageId: "taggedTemplate"
+            }]
+        },
+        {
+            code: "x\n.y\nz\n`Invalid Test Case`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 3,
+                column: 1,
+                messageId: "taggedTemplate"
+            }]
+        },
+        {
+            code: `
+                foo
+                / bar /gym
+            `,
+            errors: [{
+                line: 3,
+                column: 17,
+                messageId: "division"
+            }]
+        },
+        {
+            code: `
+                foo
+                / bar /g
+            `,
+            errors: [{
+                line: 3,
+                column: 17,
+                messageId: "division"
+            }]
+        },
+        {
+            code: `
+                foo
+                / bar /g.test(baz)
+            `,
+            errors: [{
+                line: 3,
+                column: 17,
+                messageId: "division"
+            }]
+        },
+        {
+            code: `
+                foo
+                /bar/gimuygimuygimuy.test(baz)
+            `,
+            errors: [{
+                line: 3,
+                column: 17,
+                messageId: "division"
+            }]
+        },
+        {
+            code: `
+                foo
+                /bar/s.test(baz)
+            `,
+            errors: [{
+                line: 3,
+                column: 17,
+                messageId: "division"
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11650
+        {
+            code: `
+                const x = aaaa<
+                    test
+                >/*
+                test
+                */\`foo\`
+            `,
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/tagged-template-with-generic/tagged-template-with-generic-and-comment"),
+            errors: [
+                {
+                    line: 1,
+                    column: 11,
+                    messageId: "taggedTemplate"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unmodified-loop-condition.js b/eslint/tests/lib/rules/no-unmodified-loop-condition.js
new file mode 100644
index 0000000..70c04d0
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unmodified-loop-condition.js
@@ -0,0 +1,71 @@
+/**
+ * @fileoverview Tests for no-unmodified-loop-condition rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unmodified-loop-condition"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unmodified-loop-condition", rule, {
+    valid: [
+        "var foo = 0; while (foo) { ++foo; }",
+        { code: "let foo = 0; while (foo) { ++foo; }", env: { es6: true } },
+        "var foo = 0; while (foo) { foo += 1; }",
+        "var foo = 0; while (foo++) { }",
+        "var foo = 0; while (foo = next()) { }",
+        "var foo = 0; while (ok(foo)) { }",
+        "var foo = 0, bar = 0; while (++foo < bar) { }",
+        "var foo = 0, obj = {}; while (foo === obj.bar) { }",
+        "var foo = 0, f = {}, bar = {}; while (foo === f(bar)) { }",
+        "var foo = 0, f = {}; while (foo === f()) { }",
+        { code: "var foo = 0, tag = 0; while (foo === tag`abc`) { }", env: { es6: true } },
+        { code: "function* foo() { var foo = 0; while (yield foo) { } }", env: { es6: true } },
+        { code: "function* foo() { var foo = 0; while (foo === (yield)) { } }", env: { es6: true } },
+        "var foo = 0; while (foo.ok) { }",
+        "var foo = 0; while (foo) { update(); } function update() { ++foo; }",
+        "var foo = 0, bar = 9; while (foo < bar) { foo += 1; }",
+        "var foo = 0, bar = 1, baz = 2; while (foo ? bar : baz) { foo += 1; }",
+        "var foo = 0, bar = 0; while (foo && bar) { ++foo; ++bar; }",
+        "var foo = 0, bar = 0; while (foo || bar) { ++foo; ++bar; }",
+        "var foo = 0; do { ++foo; } while (foo);",
+        "var foo = 0; do { } while (foo++);",
+        "for (var foo = 0; foo; ++foo) { }",
+        "for (var foo = 0; foo;) { ++foo }",
+        "var foo = 0, bar = 0; for (bar; foo;) { ++foo }",
+        "var foo; if (foo) { }",
+        "var a = [1, 2, 3]; var len = a.length; for (var i = 0; i < len - 1; i++) {}"
+    ],
+    invalid: [
+        { code: "var foo = 0; while (foo) { } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "var foo = 0; while (!foo) { } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "var foo = 0; while (foo != null) { } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        {
+            code: "var foo = 0, bar = 9; while (foo < bar) { } foo = 1;",
+            errors: [
+                { messageId: "loopConditionNotModified", data: { name: "foo" } },
+                { messageId: "loopConditionNotModified", data: { name: "bar" } }
+            ]
+        },
+        { code: "var foo = 0, bar = 0; while (foo && bar) { ++bar; } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "var foo = 0, bar = 0; while (foo && bar) { ++foo; } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "bar" } }] },
+        {
+            code: "var a, b, c; while (a < c && b < c) { ++a; } foo = 1;",
+            errors: [
+                { messageId: "loopConditionNotModified", data: { name: "b" } },
+                { messageId: "loopConditionNotModified", data: { name: "c" } }
+            ]
+        },
+        { code: "var foo = 0; while (foo ? 1 : 0) { } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "var foo = 0; while (foo) { update(); } function update(foo) { ++foo; }", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "var foo; do { } while (foo);", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] },
+        { code: "for (var foo = 0; foo < 10; ) { } foo = 1;", errors: [{ messageId: "loopConditionNotModified", data: { name: "foo" } }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unneeded-ternary.js b/eslint/tests/lib/rules/no-unneeded-ternary.js
new file mode 100644
index 0000000..25aab8a
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unneeded-ternary.js
@@ -0,0 +1,362 @@
+/**
+ * @fileoverview Tests for no-unneeded-ternary rule.
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unneeded-ternary"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unneeded-ternary", rule, {
+    valid: [
+        "config.newIsCap = config.newIsCap !== false",
+        "var a = x === 2 ? 'Yes' : 'No';",
+        "var a = x === 2 ? true : 'No';",
+        "var a = x === 2 ? 'Yes' : false;",
+        "var a = x === 2 ? 'true' : 'false';",
+        "var a = foo ? foo : bar;",
+        "var value = 'a';var canSet = true;var result = value || (canSet ? 'unset' : 'can not set')",
+        "var a = foo ? bar : foo;",
+        "foo ? bar : foo;",
+        "var a = f(x ? x : 1)",
+        "f(x ? x : 1);",
+        "foo ? foo : bar;",
+        "var a = foo ? 'Yes' : foo;",
+        {
+            code: "var a = foo ? 'Yes' : foo;",
+            options: [{ defaultAssignment: false }]
+        },
+        {
+            code: "var a = foo ? bar : foo;",
+            options: [{ defaultAssignment: false }]
+        },
+        {
+            code: "foo ? bar : foo;",
+            options: [{ defaultAssignment: false }]
+        }
+    ],
+    invalid: [
+        {
+            code: "var a = x === 2 ? true : false;",
+            output: "var a = x === 2;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "var a = x >= 2 ? true : false;",
+            output: "var a = x >= 2;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: "var a = x ? true : false;",
+            output: "var a = !!x;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = x === 1 ? false : true;",
+            output: "var a = x !== 1;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "var a = x != 1 ? false : true;",
+            output: "var a = x == 1;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: "var a = foo() ? false : true;",
+            output: "var a = !foo();",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 17
+            }]
+        },
+        {
+            code: "var a = !foo() ? false : true;",
+            output: "var a = !!foo();",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: "var a = foo + bar ? false : true;",
+            output: "var a = !(foo + bar);",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "var a = x instanceof foo ? false : true;",
+            output: "var a = !(x instanceof foo);",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 28
+            }]
+        },
+        {
+            code: "var a = foo ? false : false;",
+            output: "var a = false;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "var a = foo() ? false : false;",
+            output: null,
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 17
+            }]
+        },
+        {
+            code: "var a = x instanceof foo ? true : false;",
+            output: "var a = x instanceof foo;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 28
+            }]
+        },
+        {
+            code: "var a = !foo ? true : false;",
+            output: "var a = !foo;",
+            errors: [{
+                messageId: "unnecessaryConditionalExpression",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 16
+            }]
+        },
+        {
+            code: `
+                var value = 'a'
+                var canSet = true
+                var result = value ? value : canSet ? 'unset' : 'can not set'
+            `,
+            output: `
+                var value = 'a'
+                var canSet = true
+                var result = value || (canSet ? 'unset' : 'can not set')
+            `,
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 4,
+                column: 38
+            }]
+        },
+        {
+            code: "foo ? foo : (bar ? baz : qux)",
+            output: "foo || (bar ? baz : qux)",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 7
+            }]
+        },
+        {
+            code: "function* fn() { foo ? foo : yield bar }",
+            output: "function* fn() { foo || (yield bar) }",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 24
+            }]
+        },
+        {
+            code: "var a = foo ? foo : 'No';",
+            output: "var a = foo || 'No';",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "var a = ((foo)) ? (((((foo))))) : ((((((((((((((bar))))))))))))));",
+            output: "var a = ((foo)) || ((((((((((((((bar))))))))))))));",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 24
+            }]
+        },
+        {
+            code: "var a = b ? b : c => c;",
+            output: "var a = b || (c => c);",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : c = 0;",
+            output: "var a = b || (c = 0);",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : (c => c);",
+            output: "var a = b || (c => c);",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : (c = 0);",
+            output: "var a = b || (c = 0);",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : (c) => (c);",
+            output: "var a = b || ((c) => (c));",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : c, d; // this is ((b ? b : c), (d))",
+            output: "var a = b || c, d; // this is ((b ? b : c), (d))",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "var a = b ? b : (c, d);",
+            output: "var a = b || (c, d);",
+            options: [{ defaultAssignment: false }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "f(x ? x : 1);",
+            output: "f(x || 1);",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 7
+            }]
+        },
+        {
+            code: "x ? x : 1;",
+            output: "x || 1;",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 5
+            }]
+        },
+        {
+            code: "var a = foo ? foo : bar;",
+            output: "var a = foo || bar;",
+            options: [{ defaultAssignment: false }],
+            errors: [{
+                messageId: "unnecessaryConditionalAssignment",
+                type: "ConditionalExpression",
+                line: 1,
+                column: 15
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unreachable.js b/eslint/tests/lib/rules/no-unreachable.js
new file mode 100644
index 0000000..e1609c8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unreachable.js
@@ -0,0 +1,307 @@
+/**
+ * @fileoverview Tests for no-unreachable rule.
+ * @author Joel Feenstra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unreachable"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unreachable", rule, {
+    valid: [
+        "function foo() { function bar() { return 1; } return bar(); }",
+        "function foo() { return bar(); function bar() { return 1; } }",
+        "function foo() { return x; var x; }",
+        "function foo() { var x = 1; var y = 2; }",
+        "function foo() { var x = 1; var y = 2; return; }",
+        "while (true) { switch (foo) { case 1: x = 1; x = 2;} }",
+        "while (true) { break; var x; }",
+        "while (true) { continue; var x, y; }",
+        "while (true) { throw 'message'; var x; }",
+        "while (true) { if (true) break; var x = 1; }",
+        "while (true) continue;",
+        "switch (foo) { case 1: break; var x; }",
+        "switch (foo) { case 1: break; var x; default: throw true; };",
+        {
+            code: "const arrow_direction = arrow => {  switch (arrow) { default: throw new Error();  };}",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        "var x = 1; y = 2; throw 'uh oh'; var y;",
+        "function foo() { var x = 1; if (x) { return; } x = 2; }",
+        "function foo() { var x = 1; if (x) { } else { return; } x = 2; }",
+        "function foo() { var x = 1; switch (x) { case 0: break; default: return; } x = 2; }",
+        "function foo() { var x = 1; while (x) { return; } x = 2; }",
+        "function foo() { var x = 1; for (x in {}) { return; } x = 2; }",
+        "function foo() { var x = 1; try { return; } finally { x = 2; } }",
+        "function foo() { var x = 1; for (;;) { if (x) break; } x = 2; }",
+        "A: { break A; } foo()",
+        {
+            code: "function* foo() { try { yield 1; return; } catch (err) { return err; } }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "function foo() { try { bar(); return; } catch (err) { return err; } }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "function foo() { try { a.b.c = 1; return; } catch (err) { return err; } }",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        }
+    ],
+    invalid: [
+        { code: "function foo() { return x; var x = 1; }", errors: [{ messageId: "unreachableCode", type: "VariableDeclaration" }] },
+        { code: "function foo() { return x; var x, y = 1; }", errors: [{ messageId: "unreachableCode", type: "VariableDeclaration" }] },
+        { code: "while (true) { continue; var x = 1; }", errors: [{ messageId: "unreachableCode", type: "VariableDeclaration" }] },
+        { code: "function foo() { return; x = 1; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { throw error; x = 1; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "while (true) { break; x = 1; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "while (true) { continue; x = 1; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { switch (foo) { case 1: return; x = 1; } }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { switch (foo) { case 1: throw e; x = 1; } }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "while (true) { switch (foo) { case 1: break; x = 1; } }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "while (true) { switch (foo) { case 1: continue; x = 1; } }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "var x = 1; throw 'uh oh'; var y = 2;", errors: [{ messageId: "unreachableCode", type: "VariableDeclaration" }] },
+        { code: "function foo() { var x = 1; if (x) { return; } else { throw e; } x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; if (x) return; else throw -1; x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; try { return; } finally {} x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; try { } finally { return; } x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; do { return; } while (x); x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; while (x) { if (x) break; else continue; x = 2; } }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; for (;;) { if (x) continue; } x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        { code: "function foo() { var x = 1; while (true) { } x = 2; }", errors: [{ messageId: "unreachableCode", type: "ExpressionStatement" }] },
+        {
+            code: "const arrow_direction = arrow => {  switch (arrow) { default: throw new Error();  }; g() }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 1,
+                    column: 86,
+                    endLine: 1,
+                    endColumn: 89
+                }
+            ]
+        },
+
+        // Merge the warnings of continuous unreachable nodes.
+        {
+            code: `
+                function foo() {
+                    return;
+
+                    a();  // ← ERROR: Unreachable code. (no-unreachable)
+
+                    b()   // ↑ ';' token is included in the unreachable code, so this statement will be merged.
+                    // comment
+                    c();  // ↑ ')' token is included in the unreachable code, so this statement will be merged.
+                }
+            `,
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 5,
+                    column: 21,
+                    endLine: 9,
+                    endColumn: 25
+                }
+            ]
+        },
+        {
+            code: `
+                function foo() {
+                    return;
+
+                    a();
+
+                    if (b()) {
+                        c()
+                    } else {
+                        d()
+                    }
+                }
+            `,
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 5,
+                    column: 21,
+                    endLine: 11,
+                    endColumn: 22
+                }
+            ]
+        },
+        {
+            code: `
+                function foo() {
+                    if (a) {
+                        return
+                        b();
+                        c();
+                    } else {
+                        throw err
+                        d();
+                    }
+                }
+            `,
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 5,
+                    column: 25,
+                    endLine: 6,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 9,
+                    column: 25,
+                    endLine: 9,
+                    endColumn: 29
+                }
+            ]
+        },
+        {
+            code: `
+                function foo() {
+                    if (a) {
+                        return
+                        b();
+                        c();
+                    } else {
+                        throw err
+                        d();
+                    }
+                    e();
+                }
+            `,
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 5,
+                    column: 25,
+                    endLine: 6,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 9,
+                    column: 25,
+                    endLine: 9,
+                    endColumn: 29
+                },
+                {
+                    messageId: "unreachableCode",
+                    type: "ExpressionStatement",
+                    line: 11,
+                    column: 21,
+                    endLine: 11,
+                    endColumn: 25
+                }
+            ]
+        },
+        {
+            code: `
+                function* foo() {
+                    try {
+                        return;
+                    } catch (err) {
+                        return err;
+                    }
+                }`,
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "BlockStatement",
+                    line: 5,
+                    column: 35,
+                    endLine: 7,
+                    endColumn: 22
+                }
+            ]
+        },
+        {
+            code: `
+                function foo() {
+                    try {
+                        return;
+                    } catch (err) {
+                        return err;
+                    }
+                }`,
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "BlockStatement",
+                    line: 5,
+                    column: 35,
+                    endLine: 7,
+                    endColumn: 22
+                }
+            ]
+        },
+        {
+            code: `
+                function foo() {
+                    try {
+                        return;
+                        let a = 1;
+                    } catch (err) {
+                        return err;
+                    }
+                }`,
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unreachableCode",
+                    type: "VariableDeclaration",
+                    line: 5,
+                    column: 25,
+                    endLine: 5,
+                    endColumn: 35
+                },
+                {
+                    messageId: "unreachableCode",
+                    type: "BlockStatement",
+                    line: 6,
+                    column: 35,
+                    endLine: 8,
+                    endColumn: 22
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unsafe-finally.js b/eslint/tests/lib/rules/no-unsafe-finally.js
new file mode 100644
index 0000000..8142118
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unsafe-finally.js
@@ -0,0 +1,111 @@
+/**
+ * @fileoverview Tests for no-unsafe-finally
+ * @author Onur Temizkan
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unsafe-finally"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unsafe-finally", rule, {
+    valid: [
+        "var foo = function() {\n try { \n return 1; \n } catch(err) { \n return 2; \n } finally { \n console.log('hola!') \n } \n }",
+        "var foo = function() { try { return 1 } catch(err) { return 2 } finally { console.log('hola!') } }",
+        "var foo = function() { try { return 1 } catch(err) { return 2 } finally { function a(x) { return x } } }",
+        "var foo = function() { try { return 1 } catch(err) { return 2 } finally { var a = function(x) { if(!x) { throw new Error() } } } }",
+        "var foo = function() { try { return 1 } catch(err) { return 2 } finally { var a = function(x) { while(true) { if(x) { break } else { continue } } } } }",
+        "var foo = function() { try { return 1 } catch(err) { return 2 } finally { var a = function(x) { label: while(true) { if(x) { break label; } else { continue } } } } }",
+        "var foo = function() { try {} finally { while (true) break; } }",
+        "var foo = function() { try {} finally { while (true) continue; } }",
+        "var foo = function() { try {} finally { switch (true) { case true: break; } } }",
+        "var foo = function() { try {} finally { do { break; } while (true) } }",
+        {
+            code: "var foo = function() { try { return 1; } catch(err) { return 2; } finally { var bar = () => { throw new Error(); }; } };",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function() { try { return 1; } catch(err) { return 2 } finally { (x) => x } }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function() { try { return 1; } finally { class bar { constructor() {} static ehm() { return 'Hola!'; } } } };",
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "var foo = function() { \n try { \n return 1; \n } catch(err) { \n return 2; \n } finally { \n return 3; \n } \n }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 7, column: 2 }]
+        },
+        {
+            code: "var foo = function() { try { return 1 } catch(err) { return 2 } finally { if(true) { return 3 } else { return 2 } } }",
+            errors: [
+                { messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 86 },
+                { messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 104 }
+            ]
+        },
+        {
+            code: "var foo = function() { try { return 1 } catch(err) { return 2 } finally { return 3 } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 75 }]
+        },
+        {
+            code: "var foo = function() { try { return 1 } catch(err) { return 2 } finally { return function(x) { return y } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 75 }]
+        },
+        {
+            code: "var foo = function() { try { return 1 } catch(err) { return 2 } finally { return { x: function(c) { return c } } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 75 }]
+        },
+        {
+            code: "var foo = function() { try { return 1 } catch(err) { return 2 } finally { throw new Error() } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ThrowStatement" }, type: "ThrowStatement", line: 1, column: 75 }]
+        },
+        {
+            code: "var foo = function() { try { foo(); } finally { try { bar(); } finally { return; } } };",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ReturnStatement" }, type: "ReturnStatement", line: 1, column: 74 }]
+        },
+        {
+            code: "var foo = function() { label: try { return 0; } finally { break label; } return 1; }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 1, column: 59 }]
+        },
+        {
+            code: "var foo = function() { \n a: try { \n return 1; \n } catch(err) { \n return 2; \n } finally { \n break a; \n } \n }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 7, column: 2 }]
+        },
+        {
+            code: "var foo = function() { while (true) try {} finally { break; } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 1, column: 54 }]
+        },
+        {
+            code: "var foo = function() { while (true) try {} finally { continue; } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ContinueStatement" }, type: "ContinueStatement", line: 1, column: 54 }]
+        },
+        {
+            code: "var foo = function() { switch (true) { case true: try {} finally { break; } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 1, column: 68 }]
+        },
+        {
+            code: "var foo = function() { a: while (true) try {} finally { switch (true) { case true: break a; } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 1, column: 84 }]
+        },
+        {
+            code: "var foo = function() { a: while (true) try {} finally { switch (true) { case true: continue; } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "ContinueStatement" }, type: "ContinueStatement", line: 1, column: 84 }]
+        },
+        {
+            code: "var foo = function() { a: switch (true) { case true: try {} finally { switch (true) { case true: break a; } } } }",
+            errors: [{ messageId: "unsafeUsage", data: { nodeType: "BreakStatement" }, type: "BreakStatement", line: 1, column: 98 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unsafe-negation.js b/eslint/tests/lib/rules/no-unsafe-negation.js
new file mode 100644
index 0000000..bc7a23e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unsafe-negation.js
@@ -0,0 +1,256 @@
+/**
+ * @fileoverview Tests for no-unsafe-negation rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unsafe-negation"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unsafe-negation", rule, {
+    valid: [
+        "a in b",
+        "a in b === false",
+        "!(a in b)",
+        "(!a) in b",
+        "a instanceof b",
+        "a instanceof b === false",
+        "!(a instanceof b)",
+        "(!a) instanceof b",
+
+        // tests cases for enforceForOrderingRelations option:
+        "if (! a < b) {}",
+        "while (! a > b) {}",
+        "foo = ! a <= b;",
+        "foo = ! a >= b;",
+        {
+            code: "! a <= b",
+            options: [{}]
+        },
+        {
+            code: "foo = ! a >= b;",
+            options: [{ enforceForOrderingRelations: false }]
+        },
+        {
+            code: "foo = (!a) >= b;",
+            options: [{ enforceForOrderingRelations: true }]
+        },
+        {
+            code: "a <= b",
+            options: [{ enforceForOrderingRelations: true }]
+        },
+        {
+            code: "!(a < b)",
+            options: [{ enforceForOrderingRelations: true }]
+        },
+        {
+            code: "foo = a > b;",
+            options: [{ enforceForOrderingRelations: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "!a in b",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "in" },
+                suggestions: [
+                    {
+                        desc: "Negate 'in' expression instead of its left operand. This changes the current behavior.",
+                        output: "!(a in b)"
+                    },
+                    {
+                        desc: "Wrap negation in '()' to make the intention explicit. This preserves the current behavior.",
+                        output: "(!a) in b"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "(!a in b)",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "in" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "(!(a in b))"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "((!a) in b)"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "!(a) in b",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "in" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "!((a) in b)"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "(!(a)) in b"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "!a instanceof b",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "instanceof" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "!(a instanceof b)"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "(!a) instanceof b"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "(!a instanceof b)",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "instanceof" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "(!(a instanceof b))"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "((!a) instanceof b)"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "!(a) instanceof b",
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "instanceof" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "!((a) instanceof b)"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "(!(a)) instanceof b"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "if (! a < b) {}",
+            options: [{ enforceForOrderingRelations: true }],
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "if (!( a < b)) {}"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "if ((! a) < b) {}"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "while (! a > b) {}",
+            options: [{ enforceForOrderingRelations: true }],
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "while (!( a > b)) {}"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "while ((! a) > b) {}"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "foo = ! a <= b;",
+            options: [{ enforceForOrderingRelations: true }],
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<=" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "foo = !( a <= b);"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "foo = (! a) <= b;"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "foo = ! a >= b;",
+            options: [{ enforceForOrderingRelations: true }],
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: ">=" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "foo = !( a >= b);"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "foo = (! a) >= b;"
+                    }
+                ]
+            }]
+        },
+        {
+            code: "! a <= b",
+            options: [{ enforceForOrderingRelations: true }],
+            errors: [{
+                messageId: "unexpected",
+                data: { operator: "<=" },
+                suggestions: [
+                    {
+                        messageId: "suggestNegatedExpression",
+                        output: "!( a <= b)"
+                    },
+                    {
+                        messageId: "suggestParenthesisedNegation",
+                        output: "(! a) <= b"
+                    }
+                ]
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unused-expressions.js b/eslint/tests/lib/rules/no-unused-expressions.js
new file mode 100644
index 0000000..34051da
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unused-expressions.js
@@ -0,0 +1,128 @@
+/**
+ * @fileoverview Tests for no-unused-expressions rule.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unused-expressions"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unused-expressions", rule, {
+    valid: [
+        "function f(){}",
+        "a = b",
+        "new a",
+        "{}",
+        "f(); g()",
+        "i++",
+        "a()",
+        { code: "a && a()", options: [{ allowShortCircuit: true }] },
+        { code: "a() || (b = c)", options: [{ allowShortCircuit: true }] },
+        { code: "a ? b() : c()", options: [{ allowTernary: true }] },
+        { code: "a ? b() || (c = d) : e()", options: [{ allowShortCircuit: true, allowTernary: true }] },
+        "delete foo.bar",
+        "void new C",
+        "\"use strict\";",
+        "\"directive one\"; \"directive two\"; f();",
+        "function foo() {\"use strict\"; return true; }",
+        { code: "var foo = () => {\"use strict\"; return true; }", parserOptions: { ecmaVersion: 6 } },
+        "function foo() {\"directive one\"; \"directive two\"; f(); }",
+        "function foo() { var foo = \"use strict\"; return true; }",
+        {
+            code: "function* foo(){ yield 0; }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "async function foo() { await 5; }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { await foo.bar; }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { bar && await baz; }",
+            options: [{ allowShortCircuit: true }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { foo ? await bar : await baz; }",
+            options: [{ allowTernary: true }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "tag`tagged template literal`",
+            options: [{ allowTaggedTemplates: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "shouldNotBeAffectedByAllowTemplateTagsOption()",
+            options: [{ allowTaggedTemplates: true }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        { code: "0", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "f(), 0", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "{0}", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "[]", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a && b();", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a() || false", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a || (b = c)", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a ? b() || (c = d) : e", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        {
+            code: "`untagged template literal`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unusedExpression" }]
+        },
+        {
+            code: "tag`tagged template literal`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unusedExpression" }]
+        },
+        { code: "a && b()", options: [{ allowTernary: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a ? b() : c()", options: [{ allowShortCircuit: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a || b", options: [{ allowShortCircuit: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a() && b", options: [{ allowShortCircuit: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a ? b : 0", options: [{ allowTernary: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "a ? b : c()", options: [{ allowTernary: true }], errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "foo.bar;", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "!a", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "+a", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "\"directive one\"; f(); \"directive two\";", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "function foo() {\"directive one\"; f(); \"directive two\"; }", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "if (0) { \"not a directive\"; f(); }", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "function foo() { var foo = true; \"use strict\"; }", errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        { code: "var foo = () => { var foo = true; \"use strict\"; }", parserOptions: { ecmaVersion: 6 }, errors: [{ messageId: "unusedExpression", type: "ExpressionStatement" }] },
+        {
+            code: "`untagged template literal`",
+            options: [{ allowTaggedTemplates: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unusedExpression" }]
+        },
+        {
+            code: "`untagged template literal`",
+            options: [{ allowTaggedTemplates: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unusedExpression" }]
+        },
+        {
+            code: "tag`tagged template literal`",
+            options: [{ allowTaggedTemplates: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unusedExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unused-labels.js b/eslint/tests/lib/rules/no-unused-labels.js
new file mode 100644
index 0000000..feb6c82
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unused-labels.js
@@ -0,0 +1,86 @@
+/**
+ * @fileoverview Tests for no-unused-labels rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unused-labels"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unused-labels", rule, {
+    valid: [
+        "A: break A;",
+        "A: { foo(); break A; bar(); }",
+        "A: if (a) { foo(); if (b) break A; bar(); }",
+        "A: for (var i = 0; i < 10; ++i) { foo(); if (a) break A; bar(); }",
+        "A: for (var i = 0; i < 10; ++i) { foo(); if (a) continue A; bar(); }",
+        "A: { B: break B; C: for (var i = 0; i < 10; ++i) { foo(); if (a) break A; if (c) continue C; bar(); } }",
+        "A: { var A = 0; console.log(A); break A; console.log(A); }"
+    ],
+    invalid: [
+        {
+            code: "A: var foo = 0;",
+            output: "var foo = 0;",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: { foo(); bar(); }",
+            output: "{ foo(); bar(); }",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: if (a) { foo(); bar(); }",
+            output: "if (a) { foo(); bar(); }",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: for (var i = 0; i < 10; ++i) { foo(); if (a) break; bar(); }",
+            output: "for (var i = 0; i < 10; ++i) { foo(); if (a) break; bar(); }",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: for (var i = 0; i < 10; ++i) { foo(); if (a) continue; bar(); }",
+            output: "for (var i = 0; i < 10; ++i) { foo(); if (a) continue; bar(); }",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: for (var i = 0; i < 10; ++i) { B: break A; }",
+            output: "A: for (var i = 0; i < 10; ++i) { break A; }",
+            errors: [{ messageId: "unused", data: { name: "B" } }]
+        },
+        {
+            code: "A: { var A = 0; console.log(A); }",
+            output: "{ var A = 0; console.log(A); }",
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A: /* comment */ foo",
+            output: null,
+            errors: [{ messageId: "unused" }]
+        },
+        {
+            code: "A /* comment */: foo",
+            output: null,
+            errors: [{ messageId: "unused" }]
+        }
+
+        /*
+         * Below is fatal errors.
+         * "A: break B",
+         * "A: function foo() { break A; }",
+         * "A: class Foo { foo() { break A; } }",
+         * "A: { A: { break A; } }"
+         */
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-unused-vars.js b/eslint/tests/lib/rules/no-unused-vars.js
new file mode 100644
index 0000000..ec23aca
--- /dev/null
+++ b/eslint/tests/lib/rules/no-unused-vars.js
@@ -0,0 +1,1026 @@
+/**
+ * @fileoverview Tests for no-unused-vars rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-unused-vars"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.defineRule("use-every-a", context => {
+
+    /**
+     * Mark a variable as used
+     * @returns {void}
+     * @private
+     */
+    function useA() {
+        context.markVariableAsUsed("a");
+    }
+    return {
+        VariableDeclaration: useA,
+        ReturnStatement: useA
+    };
+});
+
+/**
+ * Returns an expected error for defined-but-not-used variables.
+ * @param {string} varName The name of the variable
+ * @param {string} [additional] The additional text for the message data
+ * @param {string} [type] The node type (defaults to "Identifier")
+ * @returns {Object} An expected error object
+ */
+function definedError(varName, additional = "", type = "Identifier") {
+    return {
+        messageId: "unusedVar",
+        data: {
+            varName,
+            action: "defined",
+            additional
+        },
+        type
+    };
+}
+
+/**
+ * Returns an expected error for assigned-but-not-used variables.
+ * @param {string} varName The name of the variable
+ * @param {string} [additional] The additional text for the message data
+ * @param {string} [type] The node type (defaults to "Identifier")
+ * @returns {Object} An expected error object
+ */
+function assignedError(varName, additional = "", type = "Identifier") {
+    return {
+        messageId: "unusedVar",
+        data: {
+            varName,
+            action: "assigned a value",
+            additional
+        },
+        type
+    };
+}
+
+ruleTester.run("no-unused-vars", rule, {
+    valid: [
+        "var foo = 5;\n\nlabel: while (true) {\n  console.log(foo);\n  break label;\n}",
+        "var foo = 5;\n\nwhile (true) {\n  console.log(foo);\n  break;\n}",
+        { code: "for (let prop in box) {\n        box[prop] = parseInt(box[prop]);\n}", parserOptions: { ecmaVersion: 6 } },
+        "var box = {a: 2};\n    for (var prop in box) {\n        box[prop] = parseInt(box[prop]);\n}",
+        "f({ set foo(a) { return; } });",
+        { code: "a; var a;", options: ["all"] },
+        { code: "var a=10; alert(a);", options: ["all"] },
+        { code: "var a=10; (function() { alert(a); })();", options: ["all"] },
+        { code: "var a=10; (function() { setTimeout(function() { alert(a); }, 0); })();", options: ["all"] },
+        { code: "var a=10; d[a] = 0;", options: ["all"] },
+        { code: "(function() { var a=10; return a; })();", options: ["all"] },
+        { code: "(function g() {})()", options: ["all"] },
+        { code: "function f(a) {alert(a);}; f();", options: ["all"] },
+        { code: "var c = 0; function f(a){ var b = a; return b; }; f(c);", options: ["all"] },
+        { code: "function a(x, y){ return y; }; a();", options: ["all"] },
+        { code: "var arr1 = [1, 2]; var arr2 = [3, 4]; for (var i in arr1) { arr1[i] = 5; } for (var i in arr2) { arr2[i] = 10; }", options: ["all"] },
+        { code: "var a=10;", options: ["local"] },
+        { code: "var min = \"min\"; Math[min];", options: ["all"] },
+        { code: "Foo.bar = function(baz) { return baz; };", options: ["all"] },
+        "myFunc(function foo() {}.bind(this))",
+        "myFunc(function foo(){}.toString())",
+        "function foo(first, second) {\ndoStuff(function() {\nconsole.log(second);});}; foo()",
+        "(function() { var doSomething = function doSomething() {}; doSomething() }())",
+        "try {} catch(e) {}",
+        "/*global a */ a;",
+        { code: "var a=10; (function() { alert(a); })();", options: [{ vars: "all" }] },
+        { code: "function g(bar, baz) { return baz; }; g();", options: [{ vars: "all" }] },
+        { code: "function g(bar, baz) { return baz; }; g();", options: [{ vars: "all", args: "after-used" }] },
+        { code: "function g(bar, baz) { return bar; }; g();", options: [{ vars: "all", args: "none" }] },
+        { code: "function g(bar, baz) { return 2; }; g();", options: [{ vars: "all", args: "none" }] },
+        { code: "function g(bar, baz) { return bar + baz; }; g();", options: [{ vars: "local", args: "all" }] },
+        { code: "var g = function(bar, baz) { return 2; }; g();", options: [{ vars: "all", args: "none" }] },
+        "(function z() { z(); })();",
+        { code: " ", globals: { a: true } },
+        { code: "var who = \"Paul\";\nmodule.exports = `Hello ${who}!`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "export var foo = 123;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function foo () {}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "let toUpper = (partial) => partial.toUpperCase; export {toUpper}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export class foo {}", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "class Foo{}; var x = new Foo(); x.foo()", parserOptions: { ecmaVersion: 6 } },
+        { code: "const foo = \"hello!\";function bar(foobar = foo) {  foobar.replace(/!$/, \" world!\");}\nbar();", parserOptions: { ecmaVersion: 6 } },
+        "function Foo(){}; var x = new Foo(); x.foo()",
+        "function foo() {var foo = 1; return foo}; foo();",
+        "function foo(foo) {return foo}; foo(1);",
+        "function foo() {function foo() {return 1;}; return foo()}; foo();",
+        { code: "function foo() {var foo = 1; return foo}; foo();", parserOptions: { parserOptions: { ecmaVersion: 6 } } },
+        { code: "function foo(foo) {return foo}; foo(1);", parserOptions: { parserOptions: { ecmaVersion: 6 } } },
+        { code: "function foo() {function foo() {return 1;}; return foo()}; foo();", parserOptions: { parserOptions: { ecmaVersion: 6 } } },
+        { code: "const x = 1; const [y = x] = []; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; const {y = x} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; const {z: [y = x]} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = []; const {z: [y] = x} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; let y; [y = x] = []; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; let y; ({z: [y = x]} = {}); foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = []; let y; ({z: [y] = x} = {}); foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; function foo(y = x) { bar(y); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; function foo({y = x} = {}) { bar(y); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; function foo(y = function(z = x) { bar(z); }) { y(); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "const x = 1; function foo(y = function() { bar(x); }) { y(); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; var [y = x] = []; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; var {y = x} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; var {z: [y = x]} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = []; var {z: [y] = x} = {}; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1, y; [y = x] = []; foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1, y; ({z: [y = x]} = {}); foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = [], y; ({z: [y] = x} = {}); foo(y);", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; function foo(y = x) { bar(y); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; function foo({y = x} = {}) { bar(y); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; function foo(y = function(z = x) { bar(z); }) { y(); } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "var x = 1; function foo(y = function() { bar(x); }) { y(); } foo();", parserOptions: { ecmaVersion: 6 } },
+
+        // exported variables should work
+        "/*exported toaster*/ var toaster = 'great'",
+        "/*exported toaster, poster*/ var toaster = 1; poster = 0;",
+        { code: "/*exported x*/ var { x } = y", parserOptions: { ecmaVersion: 6 } },
+        { code: "/*exported x, y*/  var { x, y } = z", parserOptions: { ecmaVersion: 6 } },
+
+        // Can mark variables as used via context.markVariableAsUsed()
+        "/*eslint use-every-a:1*/ var a;",
+        "/*eslint use-every-a:1*/ !function(a) { return 1; }",
+        "/*eslint use-every-a:1*/ !function() { var a; return 1 }",
+
+        // ignore pattern
+        { code: "var _a;", options: [{ vars: "all", varsIgnorePattern: "^_" }] },
+        { code: "var a; function foo() { var _b; } foo();", options: [{ vars: "local", varsIgnorePattern: "^_" }] },
+        { code: "function foo(_a) { } foo();", options: [{ args: "all", argsIgnorePattern: "^_" }] },
+        { code: "function foo(a, _b) { return a; } foo();", options: [{ args: "after-used", argsIgnorePattern: "^_" }] },
+        { code: "var [ firstItemIgnored, secondItem ] = items;\nconsole.log(secondItem);", options: [{ vars: "all", varsIgnorePattern: "[iI]gnored" }], parserOptions: { ecmaVersion: 6 } },
+
+        // for-in loops (see #2342)
+        "(function(obj) { var name; for ( name in obj ) return; })({});",
+        "(function(obj) { var name; for ( name in obj ) { return; } })({});",
+        "(function(obj) { for ( var name in obj ) { return true } })({})",
+        "(function(obj) { for ( var name in obj ) return true })({})",
+
+        { code: "(function(obj) { let name; for ( name in obj ) return; })({});", parserOptions: { ecmaVersion: 6 } },
+        { code: "(function(obj) { let name; for ( name in obj ) { return; } })({});", parserOptions: { ecmaVersion: 6 } },
+        { code: "(function(obj) { for ( let name in obj ) { return true } })({})", parserOptions: { ecmaVersion: 6 } },
+        { code: "(function(obj) { for ( let name in obj ) return true })({})", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "(function(obj) { for ( const name in obj ) { return true } })({})", parserOptions: { ecmaVersion: 6 } },
+        { code: "(function(obj) { for ( const name in obj ) return true })({})", parserOptions: { ecmaVersion: 6 } },
+
+        // caughtErrors
+        {
+            code: "try{}catch(err){console.error(err);}",
+            options: [{ caughtErrors: "all" }]
+        },
+        {
+            code: "try{}catch(err){}",
+            options: [{ caughtErrors: "none" }]
+        },
+        {
+            code: "try{}catch(ignoreErr){}",
+            options: [{ caughtErrors: "all", caughtErrorsIgnorePattern: "^ignore" }]
+        },
+
+        // caughtErrors with other combinations
+        {
+            code: "try{}catch(err){}",
+            options: [{ vars: "all", args: "all" }]
+        },
+
+        // Using object rest for variable omission
+        {
+            code: "const data = { type: 'coords', x: 1, y: 2 };\nconst { type, ...coords } = data;\n console.log(coords);",
+            options: [{ ignoreRestSiblings: true }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // https://github.com/eslint/eslint/issues/6348
+        "var a = 0, b; b = a = a + 1; foo(b);",
+        "var a = 0, b; b = a += a + 1; foo(b);",
+        "var a = 0, b; b = a++; foo(b);",
+        "function foo(a) { var b = a = a + 1; bar(b) } foo();",
+        "function foo(a) { var b = a += a + 1; bar(b) } foo();",
+        "function foo(a) { var b = a++; bar(b) } foo();",
+
+        // https://github.com/eslint/eslint/issues/6576
+        [
+            "var unregisterFooWatcher;",
+            "// ...",
+            "unregisterFooWatcher = $scope.$watch( \"foo\", function() {",
+            "    // ...some code..",
+            "    unregisterFooWatcher();",
+            "});"
+        ].join("\n"),
+        [
+            "var ref;",
+            "ref = setInterval(",
+            "    function(){",
+            "        clearInterval(ref);",
+            "    }, 10);"
+        ].join("\n"),
+        [
+            "var _timer;",
+            "function f() {",
+            "    _timer = setTimeout(function () {}, _timer ? 100 : 0);",
+            "}",
+            "f();"
+        ].join("\n"),
+        "function foo(cb) { cb = function() { function something(a) { cb(1 + a); } register(something); }(); } foo();",
+        { code: "function* foo(cb) { cb = yield function(a) { cb(1 + a); }; } foo();", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(cb) { cb = tag`hello${function(a) { cb(1 + a); }}`; } foo();", parserOptions: { ecmaVersion: 6 } },
+        "function foo(cb) { var b; cb = b = function(a) { cb(1 + a); }; b(); } foo();",
+
+        // https://github.com/eslint/eslint/issues/6646
+        [
+            "function someFunction() {",
+            "    var a = 0, i;",
+            "    for (i = 0; i < 2; i++) {",
+            "        a = myFunction(a);",
+            "    }",
+            "}",
+            "someFunction();"
+        ].join("\n"),
+
+        // https://github.com/eslint/eslint/issues/7124
+        {
+            code: "(function(a, b, {c, d}) { d })",
+            options: [{ argsIgnorePattern: "c" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function(a, b, {c, d}) { c })",
+            options: [{ argsIgnorePattern: "d" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7250
+        {
+            code: "(function(a, b, c) { c })",
+            options: [{ argsIgnorePattern: "c" }]
+        },
+        {
+            code: "(function(a, b, {c, d}) { c })",
+            options: [{ argsIgnorePattern: "[cd]" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7351
+        {
+            code: "(class { set foo(UNUSED) {} })",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class Foo { set bar(UNUSED) {} } console.log(Foo)",
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/8119
+        {
+            code: "(({a, ...rest}) => rest)",
+            options: [{ args: "all", ignoreRestSiblings: true }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // https://github.com/eslint/eslint/issues/10952
+        "/*eslint use-every-a:1*/ !function(b, a) { return 1 }",
+
+        // https://github.com/eslint/eslint/issues/10982
+        "var a = function () { a(); }; a();",
+        "var a = function(){ return function () { a(); } }; a();",
+        {
+            code: "const a = () => { a(); }; a();",
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: "const a = () => () => { a(); }; a();",
+            parserOptions: { ecmaVersion: 2015 }
+        }
+    ],
+    invalid: [
+        { code: "function foox() { return foox(); }", errors: [definedError("foox")] },
+        { code: "(function() { function foox() { if (true) { return foox(); } } }())", errors: [definedError("foox")] },
+        { code: "var a=10", errors: [assignedError("a")] },
+        { code: "function f() { var a = 1; return function(){ f(a *= 2); }; }", errors: [definedError("f")] },
+        { code: "function f() { var a = 1; return function(){ f(++a); }; }", errors: [definedError("f")] },
+        { code: "/*global a */", errors: [definedError("a", "", "Program")] },
+        { code: "function foo(first, second) {\ndoStuff(function() {\nconsole.log(second);});};", errors: [definedError("foo")] },
+        { code: "var a=10;", options: ["all"], errors: [assignedError("a")] },
+        { code: "var a=10; a=20;", options: ["all"], errors: [assignedError("a")] },
+        { code: "var a=10; (function() { var a = 1; alert(a); })();", options: ["all"], errors: [assignedError("a")] },
+        { code: "var a=10, b=0, c=null; alert(a+b)", options: ["all"], errors: [assignedError("c")] },
+        { code: "var a=10, b=0, c=null; setTimeout(function() { var b=2; alert(a+b+c); }, 0);", options: ["all"], errors: [assignedError("b")] },
+        { code: "var a=10, b=0, c=null; setTimeout(function() { var b=2; var c=2; alert(a+b+c); }, 0);", options: ["all"], errors: [assignedError("b"), assignedError("c")] },
+        { code: "function f(){var a=[];return a.map(function(){});}", options: ["all"], errors: [definedError("f")] },
+        { code: "function f(){var a=[];return a.map(function g(){});}", options: ["all"], errors: [definedError("f")] },
+        {
+            code: "function foo() {function foo(x) {\nreturn x; }; return function() {return foo; }; }",
+            errors: [{
+                messageId: "unusedVar",
+                data: { varName: "foo", action: "defined", additional: "" },
+                line: 1,
+                type: "Identifier"
+            }]
+        },
+        { code: "function f(){var x;function a(){x=42;}function b(){alert(x);}}", options: ["all"], errors: 3 },
+        { code: "function f(a) {}; f();", options: ["all"], errors: [definedError("a")] },
+        { code: "function a(x, y, z){ return y; }; a();", options: ["all"], errors: [definedError("z")] },
+        { code: "var min = Math.min", options: ["all"], errors: [assignedError("min")] },
+        { code: "var min = {min: 1}", options: ["all"], errors: [assignedError("min")] },
+        { code: "Foo.bar = function(baz) { return 1; };", options: ["all"], errors: [definedError("baz")] },
+        { code: "var min = {min: 1}", options: [{ vars: "all" }], errors: [assignedError("min")] },
+        { code: "function gg(baz, bar) { return baz; }; gg();", options: [{ vars: "all" }], errors: [definedError("bar")] },
+        { code: "(function(foo, baz, bar) { return baz; })();", options: [{ vars: "all", args: "after-used" }], errors: [definedError("bar")] },
+        { code: "(function(foo, baz, bar) { return baz; })();", options: [{ vars: "all", args: "all" }], errors: [definedError("foo"), definedError("bar")] },
+        { code: "(function z(foo) { var bar = 33; })();", options: [{ vars: "all", args: "all" }], errors: [definedError("foo"), assignedError("bar")] },
+        { code: "(function z(foo) { z(); })();", options: [{}], errors: [definedError("foo")] },
+        { code: "function f() { var a = 1; return function(){ f(a = 2); }; }", options: [{}], errors: [definedError("f"), assignedError("a")] },
+        { code: "import x from \"y\";", parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [definedError("x")] },
+        { code: "export function fn2({ x, y }) {\n console.log(x); \n};", parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [definedError("y")] },
+        { code: "export function fn2( x, y ) {\n console.log(x); \n};", parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [definedError("y")] },
+
+        // exported
+        { code: "/*exported max*/ var max = 1, min = {min: 1}", errors: [assignedError("min")] },
+        { code: "/*exported x*/ var { x, y } = z", parserOptions: { ecmaVersion: 6 }, errors: [assignedError("y")] },
+
+        // ignore pattern
+        {
+            code: "var _a; var b;",
+            options: [{ vars: "all", varsIgnorePattern: "^_" }],
+            errors: [{
+                line: 1,
+                column: 13,
+                messageId: "unusedVar",
+                data: {
+                    varName: "b",
+                    action: "defined",
+                    additional: ". Allowed unused vars must match /^_/u"
+                }
+            }]
+        },
+        {
+            code: "var a; function foo() { var _b; var c_; } foo();",
+            options: [{ vars: "local", varsIgnorePattern: "^_" }],
+            errors: [{
+                line: 1,
+                column: 37,
+                messageId: "unusedVar",
+                data: {
+                    varName: "c_",
+                    action: "defined",
+                    additional: ". Allowed unused vars must match /^_/u"
+                }
+            }]
+        },
+        {
+            code: "function foo(a, _b) { } foo();",
+            options: [{ args: "all", argsIgnorePattern: "^_" }],
+            errors: [{
+                line: 1,
+                column: 14,
+                messageId: "unusedVar",
+                data: {
+                    varName: "a",
+                    action: "defined",
+                    additional: ". Allowed unused args must match /^_/u"
+                }
+            }]
+        },
+        {
+            code: "function foo(a, _b, c) { return a; } foo();",
+            options: [{ args: "after-used", argsIgnorePattern: "^_" }],
+            errors: [{
+                line: 1,
+                column: 21,
+                messageId: "unusedVar",
+                data: {
+                    varName: "c",
+                    action: "defined",
+                    additional: ". Allowed unused args must match /^_/u"
+                }
+            }]
+        },
+        {
+            code: "function foo(_a) { } foo();",
+            options: [{ args: "all", argsIgnorePattern: "[iI]gnored" }],
+            errors: [{
+                line: 1,
+                column: 14,
+                messageId: "unusedVar",
+                data: {
+                    varName: "_a",
+                    action: "defined",
+                    additional: ". Allowed unused args must match /[iI]gnored/u"
+                }
+            }]
+        },
+        {
+            code: "var [ firstItemIgnored, secondItem ] = items;",
+            options: [{ vars: "all", varsIgnorePattern: "[iI]gnored" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 25,
+                messageId: "unusedVar",
+                data: {
+                    varName: "secondItem",
+                    action: "assigned a value",
+                    additional: ". Allowed unused vars must match /[iI]gnored/u"
+                }
+            }]
+        },
+
+        // for-in loops (see #2342)
+        {
+            code: "(function(obj) { var name; for ( name in obj ) { i(); return; } })({});",
+            errors: [{
+                line: 1,
+                column: 22,
+                messageId: "unusedVar",
+                data: {
+                    varName: "name",
+                    action: "assigned a value",
+                    additional: ""
+                }
+            }]
+        },
+        {
+            code: "(function(obj) { var name; for ( name in obj ) { } })({});",
+            errors: [{
+                line: 1,
+                column: 22,
+                messageId: "unusedVar",
+                data: {
+                    varName: "name",
+                    action: "assigned a value",
+                    additional: ""
+                }
+            }]
+        },
+        {
+            code: "(function(obj) { for ( var name in obj ) { } })({});",
+            errors: [{
+                line: 1,
+                column: 28,
+                messageId: "unusedVar",
+                data: {
+                    varName: "name",
+                    action: "assigned a value",
+                    additional: ""
+                }
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/3617
+        {
+            code: "\n/* global foobar, foo, bar */\nfoobar;",
+            errors: [
+                {
+                    line: 2,
+                    endLine: 2,
+                    column: 19,
+                    endColumn: 22,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "foo",
+                        action: "defined",
+                        additional: ""
+                    }
+                },
+                {
+                    line: 2,
+                    endLine: 2,
+                    column: 24,
+                    endColumn: 27,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "bar",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "\n/* global foobar,\n   foo,\n   bar\n */\nfoobar;",
+            errors: [
+                {
+                    line: 3,
+                    column: 4,
+                    endLine: 3,
+                    endColumn: 7,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "foo",
+                        action: "defined",
+                        additional: ""
+                    }
+                },
+                {
+                    line: 4,
+                    column: 4,
+                    endLine: 4,
+                    endColumn: 7,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "bar",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // Rest property sibling without ignoreRestSiblings
+        {
+            code: "const data = { type: 'coords', x: 1, y: 2 };\nconst { type, ...coords } = data;\n console.log(coords);",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    line: 2,
+                    column: 9,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "type",
+                        action: "assigned a value",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // Unused rest property with ignoreRestSiblings
+        {
+            code: "const data = { type: 'coords', x: 2, y: 2 };\nconst { type, ...coords } = data;\n console.log(type)",
+            options: [{ ignoreRestSiblings: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    line: 2,
+                    column: 18,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "coords",
+                        action: "assigned a value",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // Unused rest property without ignoreRestSiblings
+        {
+            code: "const data = { type: 'coords', x: 3, y: 2 };\nconst { type, ...coords } = data;\n console.log(type)",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    line: 2,
+                    column: 18,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "coords",
+                        action: "assigned a value",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // Nested array destructuring with rest property
+        {
+            code: "const data = { vars: ['x','y'], x: 1, y: 2 };\nconst { vars: [x], ...coords } = data;\n console.log(coords)",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    line: 2,
+                    column: 16,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "x",
+                        action: "assigned a value",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // Nested object destructuring with rest property
+        {
+            code: "const data = { defaults: { x: 0 }, x: 1, y: 2 };\nconst { defaults: { x }, ...coords } = data;\n console.log(coords)",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    line: 2,
+                    column: 21,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "x",
+                        action: "assigned a value",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/8119
+        {
+            code: "(({a, ...rest}) => {})",
+            options: [{ args: "all", ignoreRestSiblings: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [definedError("rest")]
+        },
+
+        // https://github.com/eslint/eslint/issues/3714
+        {
+            code: "/* global a$fooz,$foo */\na$fooz;",
+            errors: [
+                {
+                    line: 1,
+                    column: 18,
+                    endLine: 1,
+                    endColumn: 22,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "$foo",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "/* globals a$fooz, $ */\na$fooz;",
+            errors: [
+                {
+                    line: 1,
+                    column: 20,
+                    endLine: 1,
+                    endColumn: 21,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "$",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "/*globals $foo*/",
+            errors: [
+                {
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 15,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "$foo",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "/* global global*/",
+            errors: [
+                {
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 17,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "global",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "/*global foo:true*/",
+            errors: [
+                {
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 13,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "foo",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // non ascii.
+        {
+            code: "/*global 変数, 数*/\n変数;",
+            errors: [
+                {
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "数",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // surrogate pair.
+        {
+            code: "/*global 𠮷𩸽, 𠮷*/\n\\u{20BB7}\\u{29E3D};",
+            env: { es6: true },
+            errors: [
+                {
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 18,
+                    messageId: "unusedVar",
+                    data: {
+                        varName: "ð ®·",
+                        action: "defined",
+                        additional: ""
+                    }
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/4047
+        {
+            code: "export default function(a) {}",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("a")]
+        },
+        {
+            code: "export default function(a, b) { console.log(a); }",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("b")]
+        },
+        {
+            code: "export default (function(a) {});",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("a")]
+        },
+        {
+            code: "export default (function(a, b) { console.log(a); });",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("b")]
+        },
+        {
+            code: "export default (a) => {};",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("a")]
+        },
+        {
+            code: "export default (a, b) => { console.log(a); };",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [definedError("b")]
+        },
+
+        // caughtErrors
+        {
+            code: "try{}catch(err){};",
+            options: [{ caughtErrors: "all" }],
+            errors: [definedError("err")]
+        },
+        {
+            code: "try{}catch(err){};",
+            options: [{ caughtErrors: "all", caughtErrorsIgnorePattern: "^ignore" }],
+            errors: [definedError("err", ". Allowed unused args must match /^ignore/u")]
+        },
+
+        // multiple try catch with one success
+        {
+            code: "try{}catch(ignoreErr){}try{}catch(err){};",
+            options: [{ caughtErrors: "all", caughtErrorsIgnorePattern: "^ignore" }],
+            errors: [definedError("err", ". Allowed unused args must match /^ignore/u")]
+        },
+
+        // multiple try catch both fail
+        {
+            code: "try{}catch(error){}try{}catch(err){};",
+            options: [{ caughtErrors: "all", caughtErrorsIgnorePattern: "^ignore" }],
+            errors: [
+                definedError("error", ". Allowed unused args must match /^ignore/u"),
+                definedError("err", ". Allowed unused args must match /^ignore/u")
+            ]
+        },
+
+        // caughtErrors with other configs
+        {
+            code: "try{}catch(err){};",
+            options: [{ vars: "all", args: "all", caughtErrors: "all" }],
+            errors: [definedError("err")]
+        },
+
+        // no conflict in ignore patterns
+        {
+            code: "try{}catch(err){};",
+            options: [
+                {
+                    vars: "all",
+                    args: "all",
+                    caughtErrors: "all",
+                    argsIgnorePattern: "^er"
+                }
+            ],
+            errors: [definedError("err")]
+        },
+
+        // Ignore reads for modifications to itself: https://github.com/eslint/eslint/issues/6348
+        { code: "var a = 0; a = a + 1;", errors: [assignedError("a")] },
+        { code: "var a = 0; a = a + a;", errors: [assignedError("a")] },
+        { code: "var a = 0; a += a + 1;", errors: [assignedError("a")] },
+        { code: "var a = 0; a++;", errors: [assignedError("a")] },
+        { code: "function foo(a) { a = a + 1 } foo();", errors: [assignedError("a")] },
+        { code: "function foo(a) { a += a + 1 } foo();", errors: [assignedError("a")] },
+        { code: "function foo(a) { a++ } foo();", errors: [assignedError("a")] },
+        { code: "var a = 3; a = a * 5 + 6;", errors: [assignedError("a")] },
+        { code: "var a = 2, b = 4; a = a * 2 + b;", errors: [assignedError("a")] },
+
+        // https://github.com/eslint/eslint/issues/6576 (For coverage)
+        {
+            code: "function foo(cb) { cb = function(a) { cb(1 + a); }; bar(not_cb); } foo();",
+            errors: [assignedError("cb")]
+        },
+        {
+            code: "function foo(cb) { cb = function(a) { return cb(1 + a); }(); } foo();",
+            errors: [assignedError("cb")]
+        },
+        {
+            code: "function foo(cb) { cb = (function(a) { cb(1 + a); }, cb); } foo();",
+            errors: [assignedError("cb")]
+        },
+        {
+            code: "function foo(cb) { cb = (0, function(a) { cb(1 + a); }); } foo();",
+            errors: [assignedError("cb")]
+        },
+
+        // https://github.com/eslint/eslint/issues/6646
+        {
+            code: [
+                "while (a) {",
+                "    function foo(b) {",
+                "        b = b + 1;",
+                "    }",
+                "    foo()",
+                "}"
+            ].join("\n"),
+            errors: [assignedError("b")]
+        },
+
+        // https://github.com/eslint/eslint/issues/7124
+        {
+            code: "(function(a, b, c) {})",
+            options: [{ argsIgnorePattern: "c" }],
+            errors: [
+                definedError("a", ". Allowed unused args must match /c/u"),
+                definedError("b", ". Allowed unused args must match /c/u")
+            ]
+        },
+        {
+            code: "(function(a, b, {c, d}) {})",
+            options: [{ argsIgnorePattern: "[cd]" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                definedError("a", ". Allowed unused args must match /[cd]/u"),
+                definedError("b", ". Allowed unused args must match /[cd]/u")
+            ]
+        },
+        {
+            code: "(function(a, b, {c, d}) {})",
+            options: [{ argsIgnorePattern: "c" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                definedError("a", ". Allowed unused args must match /c/u"),
+                definedError("b", ". Allowed unused args must match /c/u"),
+                definedError("d", ". Allowed unused args must match /c/u")
+            ]
+        },
+        {
+            code: "(function(a, b, {c, d}) {})",
+            options: [{ argsIgnorePattern: "d" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                definedError("a", ". Allowed unused args must match /d/u"),
+                definedError("b", ". Allowed unused args must match /d/u"),
+                definedError("c", ". Allowed unused args must match /d/u")
+            ]
+        },
+        {
+            code: "/*global\rfoo*/",
+            errors: [{
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 4,
+                messageId: "unusedVar",
+                data: {
+                    varName: "foo",
+                    action: "defined",
+                    additional: ""
+                }
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8442
+        {
+            code: "(function ({ a }, b ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a")
+            ]
+        },
+        {
+            code: "(function ({ a }, { b, c } ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a"),
+                definedError("c")
+            ]
+        },
+        {
+            code: "(function ({ a, b }, { c } ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a"),
+                definedError("c")
+            ]
+        },
+        {
+            code: "(function ([ a ], b ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a")
+            ]
+        },
+        {
+            code: "(function ([ a ], [ b, c ] ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a"),
+                definedError("c")
+            ]
+        },
+        {
+            code: "(function ([ a, b ], [ c ] ) { return b; })();",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                definedError("a"),
+                definedError("c")
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/9774
+        {
+            code: "(function(_a) {})();",
+            options: [{ args: "all", varsIgnorePattern: "^_" }],
+            errors: [definedError("_a")]
+        },
+        {
+            code: "(function(_a) {})();",
+            options: [{ args: "all", caughtErrorsIgnorePattern: "^_" }],
+            errors: [definedError("_a")]
+        },
+
+        // https://github.com/eslint/eslint/issues/10982
+        {
+            code: "var a = function() { a(); };",
+            errors: [assignedError("a")]
+        },
+        {
+            code: "var a = function(){ return function() { a(); } };",
+            errors: [assignedError("a")]
+        },
+        {
+            code: "const a = () => { a(); };",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [assignedError("a")]
+        },
+        {
+            code: "const a = () => () => { a(); };",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [assignedError("a")]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-use-before-define.js b/eslint/tests/lib/rules/no-use-before-define.js
new file mode 100644
index 0000000..152fa99
--- /dev/null
+++ b/eslint/tests/lib/rules/no-use-before-define.js
@@ -0,0 +1,500 @@
+/**
+ * @fileoverview Tests for no-use-before-define rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-use-before-define"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-use-before-define", rule, {
+    valid: [
+        "var a=10; alert(a);",
+        "function b(a) { alert(a); }",
+        "Object.hasOwnProperty.call(a);",
+        "function a() { alert(arguments);}",
+        { code: "a(); function a() { alert(arguments); }", options: ["nofunc"] },
+        { code: "(() => { var a = 42; alert(a); })();", parserOptions: { ecmaVersion: 6 } },
+        "a(); try { throw new Error() } catch (a) {}",
+        { code: "class A {} new A();", parserOptions: { ecmaVersion: 6 } },
+        "var a = 0, b = a;",
+        { code: "var {a = 0, b = a} = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a = 0, b = a] = {};", parserOptions: { ecmaVersion: 6 } },
+        "function foo() { foo(); }",
+        "var foo = function() { foo(); };",
+        "var a; for (a in a) {}",
+        { code: "var a; for (a of a) {}", parserOptions: { ecmaVersion: 6 } },
+
+        // Block-level bindings
+        { code: "\"use strict\"; a(); { function a() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "\"use strict\"; { a(); function a() {} }", options: ["nofunc"], parserOptions: { ecmaVersion: 6 } },
+        { code: "switch (foo) { case 1:  { a(); } default: { let a; }}", parserOptions: { ecmaVersion: 6 } },
+        { code: "a(); { let a = function () {}; }", parserOptions: { ecmaVersion: 6 } },
+
+        // object style options
+        { code: "a(); function a() { alert(arguments); }", options: [{ functions: false }] },
+        { code: "\"use strict\"; { a(); function a() {} }", options: [{ functions: false }], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { new A(); } class A {};", options: [{ classes: false }], parserOptions: { ecmaVersion: 6 } },
+
+        // "variables" option
+        {
+            code: "function foo() { bar; } var bar;",
+            options: [{ variables: false }]
+        },
+        {
+            code: "var foo = () => bar; var bar;",
+            options: [{ variables: false }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "a++; var a=19;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a++; var a=19;",
+            parserOptions: { parserOptions: { ecmaVersion: 6 } },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a++; var a=19;",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a(); var a=function() {};",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "alert(a[1]); var a=[1,3];",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a(); function a() { alert(b); var b=10; a(); }",
+            errors: [
+                {
+                    messageId: "usedBeforeDefined",
+                    data: { name: "a" },
+                    type: "Identifier"
+                },
+                {
+                    messageId: "usedBeforeDefined",
+                    data: { name: "b" },
+                    type: "Identifier"
+                }
+            ]
+        },
+        {
+            code: "a(); var a=function() {};",
+            options: ["nofunc"],
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(() => { alert(a); var a = 42; })();",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "(() => a())(); function a() { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "\"use strict\"; a(); { function a() {} }",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "a(); try { throw new Error() } catch (foo) {var a;}",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var f = () => a; var a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "new A(); class A {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { new A(); } class A {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "new A(); var A = class {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { new A(); } var A = class {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+
+        // Block-level bindings
+        {
+            code: "a++; { var a; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "\"use strict\"; { a(); function a() {} }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{a; let a = 1}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "switch (foo) { case 1: a();\n default: \n let a;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "if (true) { function foo() { a; } let a;}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+
+        // object style options
+        {
+            code: "a(); var a=function() {};",
+            options: [{ functions: false, classes: false }],
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "new A(); class A {};",
+            options: [{ functions: false, classes: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "new A(); var A = class {};",
+            options: [{ classes: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo() { new A(); } var A = class {};",
+            options: [{ classes: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "A" },
+                type: "Identifier"
+            }]
+        },
+
+        // invalid initializers
+        {
+            code: "var a = a;",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "let a = a + b;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "const a = foo(a);",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function foo(a = a) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var {a = a} = [];",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var [a = a] = [];",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var {b = a, a} = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var [b = a, a] = {};",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var {a = 0} = a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "var [a = 0] = a;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "for (var a in a) {}",
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "for (var a of a) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "a" },
+                type: "Identifier"
+            }]
+        },
+
+        // "variables" option
+        {
+            code: "function foo() { bar; var bar = 1; } var bar;",
+            options: [{ variables: false }],
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "bar" },
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "foo; var foo;",
+            options: [{ variables: false }],
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "foo" },
+                type: "Identifier"
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/10227
+        {
+            code: "for (let x = x;;); let x = 0",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+        {
+            code: "for (let x in xs); let xs = []",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "xs" }
+            }]
+        },
+        {
+            code: "for (let x of xs); let xs = []",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "xs" }
+            }]
+        },
+        {
+            code: "try {} catch ({message = x}) {} let x = ''",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+        {
+            code: "with (obj) x; let x = {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+
+        // WithStatements.
+        {
+            code: "with (x); let x = {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+        {
+            code: "with (obj) { x } let x = {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+        {
+            code: "with (obj) { if (a) { x } } let x = {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        },
+        {
+            code: "with (obj) { (() => { if (a) { x } })() } let x = {}",
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "usedBeforeDefined",
+                data: { name: "x" }
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-backreference.js b/eslint/tests/lib/rules/no-useless-backreference.js
new file mode 100644
index 0000000..d51d5bf
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-backreference.js
@@ -0,0 +1,513 @@
+/**
+ * @fileoverview Tests for the no-useless-backreference rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-backreference");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("no-useless-backreference", rule, {
+    valid: [
+
+        // not a regular expression
+        String.raw`'\1(a)'`,
+        String.raw`regExp('\\1(a)')`,
+        String.raw`new Regexp('\\1(a)', 'u')`,
+        String.raw`RegExp.foo('\\1(a)', 'u')`,
+        String.raw`new foo.RegExp('\\1(a)')`,
+
+        // unknown pattern
+        String.raw`RegExp(p)`,
+        String.raw`new RegExp(p, 'u')`,
+        String.raw`RegExp('\\1(a)' + suffix)`,
+        "new RegExp(`${prefix}\\\\1(a)`)",
+
+        // not the global RegExp
+        String.raw`let RegExp; new RegExp('\\1(a)');`,
+        String.raw`function foo() { var RegExp; RegExp('\\1(a)', 'u'); }`,
+        String.raw`function foo(RegExp) { new RegExp('\\1(a)'); }`,
+        String.raw`if (foo) { const RegExp = bar; RegExp('\\1(a)'); }`,
+        String.raw`/* globals RegExp:off */ new RegExp('\\1(a)');`,
+        {
+            code: String.raw`RegExp('\\1(a)');`,
+            globals: { RegExp: "off" }
+        },
+
+        // no capturing groups
+        String.raw`/(?:)/`,
+        String.raw`/(?:a)/`,
+        String.raw`new RegExp('')`,
+        String.raw`RegExp('(?:a)|(?:b)*')`,
+        String.raw`/^ab|[cd].\n$/`,
+
+        // no backreferences
+        String.raw`/(a)/`,
+        String.raw`RegExp('(a)|(b)')`,
+        String.raw`new RegExp('\\n\\d(a)')`,
+        String.raw`/\0(a)/`,
+        String.raw`/\0(a)/u`,
+        String.raw`/(?<=(a))(b)(?=(c))/`,
+        String.raw`/(?<!(a))(b)(?!(c))/`,
+        String.raw`/(?<foo>a)/`,
+
+        // not really a backreference
+        String.raw`RegExp('\1(a)')`, // string octal escape
+        String.raw`RegExp('\\\\1(a)')`, // escaped backslash
+        String.raw`/\\1(a)/`, // // escaped backslash
+        String.raw`/\1/`, // group 1 doesn't exist, this is a regex octal escape
+        String.raw`/^\1$/`, // group 1 doesn't exist, this is a regex octal escape
+        String.raw`/\2(a)/`, // group 2 doesn't exist, this is a regex octal escape
+        String.raw`/\1(?:a)/`, // group 1 doesn't exist, this is a regex octal escape
+        String.raw`/\1(?=a)/`, // group 1 doesn't exist, this is a regex octal escape
+        String.raw`/\1(?!a)/`, // group 1 doesn't exist, this is a regex octal escape
+        String.raw`/^[\1](a)$/`, // \N in a character class is a regex octal escape
+        String.raw`new RegExp('[\\1](a)')`, // \N in a character class is a regex octal escape
+        String.raw`/\11(a)/`, // regex octal escape \11, regex matches "\x09a"
+        String.raw`/\k<foo>(a)/`, // without the 'u' flag and any named groups this isn't a syntax error, matches "k<foo>a"
+        String.raw`/^(a)\1\2$/`, // \1 is a backreference, \2 is an octal escape sequence.
+
+        // Valid backreferences: correct position, after the group
+        String.raw`/(a)\1/`,
+        String.raw`/(a).\1/`,
+        String.raw`RegExp('(a)\\1(b)')`,
+        String.raw`/(a)(b)\2(c)/`,
+        String.raw`/(?<foo>a)\k<foo>/`,
+        String.raw`new RegExp('(.)\\1')`,
+        String.raw`RegExp('(a)\\1(?:b)')`,
+        String.raw`/(a)b\1/`,
+        String.raw`/((a)\2)/`,
+        String.raw`/((a)b\2c)/`,
+        String.raw`/^(?:(a)\1)$/`,
+        String.raw`/^((a)\2)$/`,
+        String.raw`/^(((a)\3))|b$/`,
+        String.raw`/a(?<foo>(.)b\2)/`,
+        String.raw`/(a)?(b)*(\1)(c)/`,
+        String.raw`/(a)?(b)*(\2)(c)/`,
+        String.raw`/(?<=(a))b\1/`,
+        String.raw`/(?<=(?=(a)\1))b/`,
+
+        // Valid backreferences: correct position before the group when they're both in the same lookbehind
+        String.raw`/(?<!\1(a))b/`,
+        String.raw`/(?<=\1(a))b/`,
+        String.raw`/(?<!\1.(a))b/`,
+        String.raw`/(?<=\1.(a))b/`,
+        String.raw`/(?<=(?:\1.(a)))b/`,
+        String.raw`/(?<!(?:\1)((a)))b/`,
+        String.raw`/(?<!(?:\2)((a)))b/`,
+        String.raw`/(?=(?<=\1(a)))b/`,
+        String.raw`/(?=(?<!\1(a)))b/`,
+        String.raw`/(.)(?<=\2(a))b/`,
+
+        // Valid backreferences: not a reference into another alternative
+        String.raw`/^(a)\1|b/`,
+        String.raw`/^a|(b)\1/`,
+        String.raw`/^a|(b|c)\1/`,
+        String.raw`/^(a)|(b)\2/`,
+        String.raw`/^(?:(a)|(b)\2)$/`,
+        String.raw`/^a|(?:.|(b)\1)/`,
+        String.raw`/^a|(?:.|(b).(\1))/`,
+        String.raw`/^a|(?:.|(?:(b)).(\1))/`,
+        String.raw`/^a|(?:.|(?:(b)|c).(\1))/`,
+        String.raw`/^a|(?:.|(?:(b)).(\1|c))/`,
+        String.raw`/^a|(?:.|(?:(b)|c).(\1|d))/`,
+
+        // Valid backreferences: not a reference into a negative lookaround (reference from within the same lookaround is allowed)
+        String.raw`/.(?=(b))\1/`,
+        String.raw`/.(?<=(b))\1/`,
+        String.raw`/a(?!(b)\1)./`,
+        String.raw`/a(?<!\1(b))./`,
+        String.raw`/a(?!(b)(\1))./`,
+        String.raw`/a(?!(?:(b)\1))./`,
+        String.raw`/a(?!(?:(b))\1)./`,
+        String.raw`/a(?<!(?:\1)(b))./`,
+        String.raw`/a(?<!(?:(?:\1)(b)))./`,
+        String.raw`/(?<!(a))(b)(?!(c))\2/`,
+        String.raw`/a(?!(b|c)\1)./`,
+
+        // ignore regular expressions with syntax errors
+        String.raw`RegExp('\\1(a)[')`, // \1 would be an error, but the unterminated [ is a syntax error
+        String.raw`new RegExp('\\1(a){', 'u')`, // \1 would be an error, but the unterminated { is a syntax error because of the 'u' flag
+        String.raw`new RegExp('\\1(a)\\2', 'ug')`, // \1 would be an error, but \2 is syntax error because of the 'u' flag
+        String.raw`const flags = 'gus'; RegExp('\\1(a){', flags);`, // \1 would be an error, but the rule is aware of the 'u' flag so this is a syntax error
+        String.raw`RegExp('\\1(a)\\k<foo>', 'u')`, // \1 would be an error, but \k<foo> produces syntax error because of the u flag
+        String.raw`new RegExp('\\k<foo>(?<foo>a)\\k<bar>')` // \k<foo> would be an error, but \k<bar> produces syntax error because group <bar> doesn't exist
+    ],
+
+    invalid: [
+
+        // full message tests
+        {
+            code: String.raw`/(b)(\2a)/`,
+            errors: [{
+                message: String.raw`Backreference '\2' will be ignored. It references group '(\2a)' from within that group.`,
+                type: "Literal"
+            }]
+        },
+        {
+            code: String.raw`/\k<foo>(?<foo>a)/`,
+            errors: [{
+                message: String.raw`Backreference '\k<foo>' will be ignored. It references group '(?<foo>a)' which appears later in the pattern.`,
+                type: "Literal"
+            }]
+        },
+        {
+            code: String.raw`RegExp('(a|bc)|\\1')`,
+            errors: [{
+                message: String.raw`Backreference '\1' will be ignored. It references group '(a|bc)' which is in another alternative.`,
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: String.raw`new RegExp('(?!(?<foo>\\n))\\1')`,
+            errors: [{
+                message: String.raw`Backreference '\1' will be ignored. It references group '(?<foo>\n)' which is in a negative lookaround.`,
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: String.raw`/(?<!(a)\1)b/`,
+            errors: [{
+                message: String.raw`Backreference '\1' will be ignored. It references group '(a)' which appears before in the same lookbehind.`,
+                type: "Literal"
+            }]
+        },
+
+        // nested
+        {
+            code: String.raw`new RegExp('(\\1)')`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(\1)` }, type: "NewExpression" }]
+        },
+        {
+            code: String.raw`/^(a\1)$/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(a\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^((a)\1)$/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`((a)\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`new RegExp('^(a\\1b)$')`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(a\1b)` }, type: "NewExpression" }]
+        },
+        {
+            code: String.raw`RegExp('^((\\1))$')`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`((\1))` }, type: "CallExpression" }]
+        },
+        {
+            code: String.raw`/((\2))/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\2`, group: String.raw`(\2)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/a(?<foo>(.)b\1)/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(?<foo>(.)b\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/a(?<foo>\k<foo>)b/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\k<foo>`, group: String.raw`(?<foo>\k<foo>)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(\1)*$/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:a)(?:((?:\1)))*$/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`((?:\1))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?!(\1))/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/a|(b\1c)/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(b\1c)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(a|(\1))/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(a|(\1))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(a|(\2))/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\2`, group: String.raw`(\2)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:a|(\1))/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(\1)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(a)?(b)*(\3)/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\3`, group: String.raw`(\3)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<=(a\1))b/`,
+            errors: [{ messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(a\1)` }, type: "Literal" }]
+        },
+
+        // forward
+        {
+            code: String.raw`/\1(a)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/\1.(a)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:\1)(?:(a))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:\1)(?:((a)))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`((a))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:\2)(?:((a)))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:\1)(?:((?:a)))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`((?:a))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(\2)(a)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`RegExp('(a)\\2(b)')`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(b)` }, type: "CallExpression" }]
+        },
+        {
+            code: String.raw`/(?:a)(b)\2(c)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(c)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/\k<foo>(?<foo>a)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\k<foo>`, group: String.raw`(?<foo>a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?:a(b)\2)(c)/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(c)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`new RegExp('(a)(b)\\3(c)')`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\3`, group: String.raw`(c)` }, type: "NewExpression" }]
+        },
+        {
+            code: String.raw`/\1(?<=(a))./`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/\1(?<!(a))./`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<=\1)(?<=(a))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!\1)(?<!(a))/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?=\1(a))./`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?!\1(a))./`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+
+        // backward in the same lookbehind
+        {
+            code: String.raw`/(?<=(a)\1)b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!.(a).\1.)b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(.)(?<!(b|c)\2)d/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\2`, group: String.raw`(b|c)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<=(?:(a)\1))b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<=(?:(a))\1)b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<=(a)(?:\1))b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!(?:(a))(?:\1))b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!(?:(a))(?:\1)|.)b/`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?!(?<!(a)\1))./`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?=(?<!(a)\1))./`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?!(?<=(a)\1))./`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?=(?<=(a)\1))./`,
+            errors: [{ messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+
+        // into another alternative
+        {
+            code: String.raw`/(a)|\1b/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(a)|\1b)$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(a)|b(?:c|\1))$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:a|b(?:(c)|\1))$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(c)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(a(?!b))|\1b)+$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a(?!b))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(?:(a)(?!b))|\1b)+$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(a(?=a))|\1b)+$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a(?=a))` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/^(?:(a)(?=a)|\1b)+$/`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?:a|(b)).|(?:(\1)|c)./`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(b)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?!(a)|\1)./`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?<=\1|(a))./`,
+            errors: [{ messageId: "disjunctive", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+
+        // into a negative lookaround
+        {
+            code: String.raw`/a(?!(b)).\1/`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(b)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!(a))b\1/`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/(?<!(a))(?:\1)/`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?<!a|(b)).\1/`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(b)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?!(a)).(?!\1)./`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?<!(a)).(?<!\1)./`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?=(?!(a))\1)./`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/.(?<!\1(?!(a)))/`,
+            errors: [{ messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+
+        // valid and invalid
+        {
+            code: String.raw`/\1(a)(b)\2/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+        {
+            code: String.raw`/\1(a)\1/`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }]
+        },
+
+        // multiple invalid
+        {
+            code: String.raw`/\1(a)\2(b)/`,
+            errors: [
+                { messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" },
+                { messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(b)` }, type: "Literal" }
+            ]
+        },
+        {
+            code: String.raw`/\1.(?<=(a)\1)/`,
+            errors: [
+                { messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" },
+                { messageId: "backward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }
+            ]
+        },
+        {
+            code: String.raw`/(?!\1(a)).\1/`,
+            errors: [
+                { messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" },
+                { messageId: "intoNegativeLookaround", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "Literal" }
+            ]
+        },
+        {
+            code: String.raw`/(a)\2(b)/; RegExp('(\\1)');`,
+            errors: [
+                { messageId: "forward", data: { bref: String.raw`\2`, group: String.raw`(b)` }, type: "Literal" },
+                { messageId: "nested", data: { bref: String.raw`\1`, group: String.raw`(\1)` }, type: "CallExpression" }
+            ]
+        },
+
+        // when flags cannot be evaluated, it is assumed that the regex doesn't have 'u' flag set, so this will be a correct regex with a useless backreference
+        {
+            code: String.raw`RegExp('\\1(a){', flags);`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "CallExpression" }]
+        },
+
+        // able to evaluate some statically known expressions
+        {
+            code: String.raw`const r = RegExp, p = '\\1', s = '(a)'; new r(p + s);`,
+            errors: [{ messageId: "forward", data: { bref: String.raw`\1`, group: String.raw`(a)` }, type: "NewExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-call.js b/eslint/tests/lib/rules/no-useless-call.js
new file mode 100644
index 0000000..8713ee9
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-call.js
@@ -0,0 +1,175 @@
+/**
+ * @fileoverview Tests for no-useless-call rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-call");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-useless-call", rule, {
+    valid: [
+
+        // `this` binding is different.
+        "foo.apply(obj, 1, 2);",
+        "obj.foo.apply(null, 1, 2);",
+        "obj.foo.apply(otherObj, 1, 2);",
+        "a.b(x, y).c.foo.apply(a.b(x, z).c, 1, 2);",
+        "foo.apply(obj, [1, 2]);",
+        "obj.foo.apply(null, [1, 2]);",
+        "obj.foo.apply(otherObj, [1, 2]);",
+        "a.b(x, y).c.foo.apply(a.b(x, z).c, [1, 2]);",
+        "a.b.foo.apply(a.b.c, [1, 2]);",
+
+        // ignores variadic.
+        "foo.apply(null, args);",
+        "obj.foo.apply(obj, args);",
+
+        // ignores computed property.
+        "var call; foo[call](null, 1, 2);",
+        "var apply; foo[apply](null, [1, 2]);",
+
+        // ignores incomplete things.
+        "foo.call();",
+        "obj.foo.call();",
+        "foo.apply();",
+        "obj.foo.apply();"
+    ],
+    invalid: [
+
+        // call.
+        {
+            code: "foo.call(undefined, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "foo.call(void 0, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "foo.call(null, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "obj.foo.call(obj, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "a.b.c.foo.call(a.b.c, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "a.b(x, y).c.foo.call(a.b(x, y).c, 1, 2);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "call" },
+                type: "CallExpression"
+            }]
+        },
+
+        // apply.
+        {
+            code: "foo.apply(undefined, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "foo.apply(void 0, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "foo.apply(null, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "obj.foo.apply(obj, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "a.b.c.foo.apply(a.b.c, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "a.b(x, y).c.foo.apply(a.b(x, y).c, [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "[].concat.apply([ ], [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "[].concat.apply([\n/*empty*/\n], [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "abc.get(\"foo\", 0).concat.apply(abc . get(\"foo\",  0 ), [1, 2]);",
+            errors: [{
+                messageId: "unnecessaryCall",
+                data: { name: "apply" },
+                type: "CallExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-catch.js b/eslint/tests/lib/rules/no-useless-catch.js
new file mode 100644
index 0000000..a8b7e34
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-catch.js
@@ -0,0 +1,195 @@
+/**
+ * @fileoverview Tests for no-useless-throw rule
+ * @author Teddy Katz
+ * @author Alex Grasley
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-catch"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-useless-catch", rule, {
+    valid: [
+        `
+            try {
+                foo();
+            } catch (err) {
+                console.error(err);
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) {
+                console.error(err);
+            } finally {
+                bar();
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) {
+                doSomethingBeforeRethrow();
+                throw err;
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) {
+                throw err.msg;
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) {
+                throw new Error("whoops!");
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) {
+                throw bar;
+            }
+        `,
+        `
+            try {
+                foo();
+            } catch (err) { }
+        `,
+        {
+            code: `
+                try {
+                    foo();
+                } catch ({ err }) {
+                    throw err;
+                }
+            `,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: `
+                try {
+                    foo();
+                } catch ([ err ]) {
+                    throw err;
+                }
+            `,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: `
+                async () => {
+                    try {
+                        await doSomething();
+                    } catch (e) {
+                        doSomethingAfterCatch();
+                        throw e;
+                    }
+                }
+            `,
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: `
+                try {
+                    throw new Error('foo');
+                } catch {
+                    throw new Error('foo');
+                }
+            `,
+            parserOptions: { ecmaVersion: 2019 }
+        }
+
+    ],
+    invalid: [
+        {
+            code: `
+                try {
+                    foo();
+                } catch (err) {
+                    throw err;
+                }
+            `,
+            errors: [{
+                messageId: "unnecessaryCatch",
+                type: "TryStatement"
+            }]
+        },
+        {
+            code: `
+                try {
+                    foo();
+                } catch (err) {
+                    throw err;
+                } finally {
+                    foo();
+                }
+            `,
+            errors: [{
+                messageId: "unnecessaryCatchClause",
+                type: "CatchClause"
+            }]
+        },
+        {
+            code: `
+                try {
+                    foo();
+                } catch (err) {
+                    /* some comment */
+                    throw err;
+                }
+            `,
+            errors: [{
+                messageId: "unnecessaryCatch",
+                type: "TryStatement"
+            }]
+        },
+        {
+            code: `
+                try {
+                    foo();
+                } catch (err) {
+                    /* some comment */
+                    throw err;
+                } finally {
+                    foo();
+                }
+            `,
+            errors: [{
+                messageId: "unnecessaryCatchClause",
+                type: "CatchClause"
+            }]
+        },
+        {
+            code: `
+                async () => {
+                    try {
+                        await doSomething();
+                    } catch (e) {
+                        throw e;
+                    }
+                }
+            `,
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessaryCatch",
+                type: "TryStatement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-computed-key.js b/eslint/tests/lib/rules/no-useless-computed-key.js
new file mode 100644
index 0000000..100899c
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-computed-key.js
@@ -0,0 +1,483 @@
+/**
+ * @fileoverview Tests for no-useless-computed-key rule.
+ * @author Burak Yigit Kaya
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-computed-key"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("no-useless-computed-key", rule, {
+    valid: [
+        "({ 'a': 0, b(){} })",
+        "({ [x]: 0 });",
+        "({ a: 0, [b](){} })",
+        "({ ['__proto__']: [] })",
+        { code: "class Foo { a() {} }", options: [{ enforceForClassMembers: true }] },
+        { code: "class Foo { 'a'() {} }", options: [{ enforceForClassMembers: true }] },
+        { code: "class Foo { [x]() {} }", options: [{ enforceForClassMembers: true }] },
+        { code: "class Foo { ['constructor']() {} }", options: [{ enforceForClassMembers: true }] },
+        { code: "class Foo { static ['prototype']() {} }", options: [{ enforceForClassMembers: true }] },
+        { code: "(class { 'a'() {} })", options: [{ enforceForClassMembers: true }] },
+        { code: "(class { [x]() {} })", options: [{ enforceForClassMembers: true }] },
+        { code: "(class { ['constructor']() {} })", options: [{ enforceForClassMembers: true }] },
+        { code: "(class { static ['prototype']() {} })", options: [{ enforceForClassMembers: true }] },
+        "class Foo { ['x']() {} }",
+        "(class { ['x']() {} })",
+        "class Foo { static ['constructor']() {} }",
+        "class Foo { ['prototype']() {} }",
+        { code: "class Foo { ['x']() {} }", options: [{ enforceForClassMembers: false }] },
+        { code: "(class { ['x']() {} })", options: [{ enforceForClassMembers: false }] },
+        { code: "class Foo { static ['constructor']() {} }", options: [{ enforceForClassMembers: false }] },
+        { code: "class Foo { ['prototype']() {} }", options: [{ enforceForClassMembers: false }] },
+
+        /*
+         * Well-known browsers throw syntax error bigint literals on property names,
+         * so, this rule doesn't touch those for now.
+         */
+        {
+            code: "({ [99999999999999999n]: 0 })",
+            parserOptions: { ecmaVersion: 2020 }
+        }
+    ],
+    invalid: [
+        {
+            code: "({ ['0']: 0 })",
+            output: "({ '0': 0 })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'0'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ ['0+1,234']: 0 })",
+            output: "({ '0+1,234': 0 })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'0+1,234'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ [0]: 0 })",
+            output: "({ 0: 0 })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "0" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ ['x']: 0 })",
+            output: "({ 'x': 0 })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ ['x']() {} })",
+            output: "({ 'x'() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ [/* this comment prevents a fix */ 'x']: 0 })",
+            output: null,
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ ['x' /* this comment also prevents a fix */]: 0 })",
+            output: null,
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ [('x')]: 0 })",
+            output: "({ 'x': 0 })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ *['x']() {} })",
+            output: "({ *'x'() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ async ['x']() {} })",
+            output: "({ async 'x'() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ get[.2]() {} })",
+            output: "({ get.2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ set[.2](value) {} })",
+            output: "({ set.2(value) {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ async[.2]() {} })",
+            output: "({ async.2() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ [2]() {} })",
+            output: "({ 2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ get [2]() {} })",
+            output: "({ get 2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ set [2](value) {} })",
+            output: "({ set 2(value) {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ async [2]() {} })",
+            output: "({ async 2() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ get[2]() {} })",
+            output: "({ get 2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ set[2](value) {} })",
+            output: "({ set 2(value) {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ async[2]() {} })",
+            output: "({ async 2() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ get['foo']() {} })",
+            output: "({ get'foo'() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'foo'" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ *[2]() {} })",
+            output: "({ *2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "({ async*[2]() {} })",
+            output: "({ async*2() {} })",
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "Property"
+            }]
+        }, {
+            code: "class Foo { ['0']() {} }",
+            output: "class Foo { '0'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'0'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { ['0+1,234']() {} }",
+            output: "class Foo { '0+1,234'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'0+1,234'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { ['x']() {} }",
+            output: "class Foo { 'x'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { [/* this comment prevents a fix */ 'x']() {} }",
+            output: null,
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { ['x' /* this comment also prevents a fix */]() {} }",
+            output: null,
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { [('x')]() {} }",
+            output: "class Foo { 'x'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { *['x']() {} }",
+            output: "class Foo { *'x'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { async ['x']() {} }",
+            output: "class Foo { async 'x'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { get[.2]() {} }",
+            output: "class Foo { get.2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { set[.2](value) {} }",
+            output: "class Foo { set.2(value) {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { async[.2]() {} }",
+            output: "class Foo { async.2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: ".2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { [2]() {} }",
+            output: "class Foo { 2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { get [2]() {} }",
+            output: "class Foo { get 2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { set [2](value) {} }",
+            output: "class Foo { set 2(value) {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { async [2]() {} }",
+            output: "class Foo { async 2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { get[2]() {} }",
+            output: "class Foo { get 2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { set[2](value) {} }",
+            output: "class Foo { set 2(value) {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { async[2]() {} }",
+            output: "class Foo { async 2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { get['foo']() {} }",
+            output: "class Foo { get'foo'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'foo'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { *[2]() {} }",
+            output: "class Foo { *2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { async*[2]() {} }",
+            output: "class Foo { async*2() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "2" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { static ['constructor']() {} }",
+            output: "class Foo { static 'constructor'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'constructor'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "class Foo { ['prototype']() {} }",
+            output: "class Foo { 'prototype'() {} }",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'prototype'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "(class { ['x']() {} })",
+            output: "(class { 'x'() {} })",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'x'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "(class { static ['constructor']() {} })",
+            output: "(class { static 'constructor'() {} })",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'constructor'" },
+                type: "MethodDefinition"
+            }]
+        }, {
+            code: "(class { ['prototype']() {} })",
+            output: "(class { 'prototype'() {} })",
+            options: [{ enforceForClassMembers: true }],
+            errors: [{
+                messageId: "unnecessarilyComputedProperty",
+                data: { property: "'prototype'" },
+                type: "MethodDefinition"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-concat.js b/eslint/tests/lib/rules/no-useless-concat.js
new file mode 100644
index 0000000..9376266
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-concat.js
@@ -0,0 +1,98 @@
+/**
+ * @fileoverview disallow unnecessary concatenation of literals or template literals
+ * @author Henry Zhu
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-concat"),
+
+    { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-useless-concat", rule, {
+
+    valid: [
+        "var a = 1 + 1;",
+        "var a = 1 * '2';",
+        "var a = 1 - 2;",
+        "var a = foo + bar;",
+        "var a = 'foo' + bar;",
+        "var foo = 'foo' +\n 'bar';",
+
+        // https://github.com/eslint/eslint/issues/3575
+        "var string = (number + 1) + 'px';",
+        "'a' + 1",
+        "1 + '1'",
+        { code: "1 + `1`", parserOptions: { ecmaVersion: 6 } },
+        { code: "`1` + 1", parserOptions: { ecmaVersion: 6 } },
+        { code: "(1 + +2) + `b`", parserOptions: { ecmaVersion: 6 } }
+    ],
+
+    invalid: [
+        {
+            code: "'a' + 'b'",
+            errors: [
+                { messageId: "unexpectedConcat" }
+            ]
+        },
+        {
+            code: "foo + 'a' + 'b'",
+            errors: [
+                { messageId: "unexpectedConcat" }
+            ]
+        },
+        {
+            code: "'a' + 'b' + 'c'",
+            errors: [
+                {
+                    messageId: "unexpectedConcat",
+                    line: 1,
+                    column: 5
+                },
+                {
+                    messageId: "unexpectedConcat",
+                    line: 1,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "(foo + 'a') + ('b' + 'c')",
+            errors: [
+                { column: 13, messageId: "unexpectedConcat" },
+                { column: 20, messageId: "unexpectedConcat" }
+            ]
+        },
+        {
+            code: "`a` + 'b'",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpectedConcat" }
+            ]
+        },
+        {
+            code: "`a` + `b`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpectedConcat" }
+            ]
+        },
+        {
+            code: "foo + `a` + `b`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "unexpectedConcat" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-constructor.js b/eslint/tests/lib/rules/no-useless-constructor.js
new file mode 100644
index 0000000..039a40e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-constructor.js
@@ -0,0 +1,79 @@
+/**
+ * @fileoverview Tests for no-useless-constructor rule.
+ * @author Alberto Rodriguez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-constructor");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+const error = { messageId: "noUselessConstructor", type: "MethodDefinition" };
+
+ruleTester.run("no-useless-constructor", rule, {
+    valid: [
+        "class A { }",
+        "class A { constructor(){ doSomething(); } }",
+        "class A extends B { constructor(){} }",
+        "class A extends B { constructor(){ super('foo'); } }",
+        "class A extends B { constructor(foo, bar){ super(foo, bar, 1); } }",
+        "class A extends B { constructor(){ super(); doSomething(); } }",
+        "class A extends B { constructor(...args){ super(...args); doSomething(); } }",
+        "class A { dummyMethod(){ doSomething(); } }",
+        "class A extends B.C { constructor() { super(foo); } }",
+        "class A extends B.C { constructor([a, b, c]) { super(...arguments); } }",
+        "class A extends B.C { constructor(a = f()) { super(...arguments); } }",
+        "class A extends B { constructor(a, b, c) { super(a, b); } }",
+        "class A extends B { constructor(foo, bar){ super(foo); } }",
+        "class A extends B { constructor(test) { super(); } }",
+        "class A extends B { constructor() { foo; } }",
+        "class A extends B { constructor(foo, bar) { super(bar); } }"
+    ],
+    invalid: [
+        {
+            code: "class A { constructor(){} }",
+            errors: [error]
+        },
+        {
+            code: "class A { 'constructor'(){} }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor() { super(); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor(foo){ super(foo); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor(foo, bar){ super(foo, bar); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor(...args){ super(...args); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B.C { constructor() { super(...arguments); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor(a, b, ...c) { super(...arguments); } }",
+            errors: [error]
+        },
+        {
+            code: "class A extends B { constructor(a, b, ...c) { super(a, b, ...c); } }",
+            errors: [error]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-escape.js b/eslint/tests/lib/rules/no-useless-escape.js
new file mode 100644
index 0000000..9321385
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-escape.js
@@ -0,0 +1,977 @@
+/**
+ * @fileoverview Look for useless escapes in strings and regexes
+ * @author Onur Temizkan
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-escape"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-useless-escape", rule, {
+    valid: [
+        "var foo = /\\./",
+        "var foo = /\\//g",
+        "var foo = /\"\"/",
+        "var foo = /''/",
+        "var foo = /([A-Z])\\t+/g",
+        "var foo = /([A-Z])\\n+/g",
+        "var foo = /([A-Z])\\v+/g",
+        "var foo = /\\D/",
+        "var foo = /\\W/",
+        "var foo = /\\w/",
+        "var foo = /\\B/",
+        "var foo = /\\\\/g",
+        "var foo = /\\w\\$\\*\\./",
+        "var foo = /\\^\\+\\./",
+        "var foo = /\\|\\}\\{\\./",
+        "var foo = /]\\[\\(\\)\\//",
+        "var foo = \"\\x123\"",
+        "var foo = \"\\u00a9\"",
+        "var foo = \"\\377\"",
+        "var foo = \"\\\"\"",
+        "var foo = \"xs\\u2111\"",
+        "var foo = \"foo \\\\ bar\";",
+        "var foo = \"\\t\";",
+        "var foo = \"foo \\b bar\";",
+        "var foo = '\\n';",
+        "var foo = 'foo \\r bar';",
+        "var foo = '\\v';",
+        "var foo = '\\f';",
+        "var foo = '\\\n';",
+        "var foo = '\\\r\n';",
+        { code: "<foo attr=\"\\d\"/>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<div> Testing: \\ </div>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<div> Testing: &#x5C </div>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<foo attr='\\d'></foo>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<> Testing: \\ </>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "<> Testing: &#x5C </>", parserOptions: { ecmaFeatures: { jsx: true } } },
+        { code: "var foo = `\\x123`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\u00a9`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `xs\\u2111`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `foo \\\\ bar`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\t`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `foo \\b bar`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `foo \\r bar`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\v`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\f`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\\r\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo} \\x123`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo} \\u00a9`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo} xs\\u2111`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo} \\\\ ${bar}`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo} \\b ${bar}`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\t`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\r`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\v`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\f`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `${foo}\\\r\n`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\``", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\`${foo}\\``", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\\${{${foo}`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `$\\{{${foo}`;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = String.raw`\\.`", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = myFunc`\\.`", parserOptions: { ecmaVersion: 6 } },
+
+        String.raw`var foo = /[\d]/`,
+        String.raw`var foo = /[a\-b]/`,
+        String.raw`var foo = /foo\?/`,
+        String.raw`var foo = /example\.com/`,
+        String.raw`var foo = /foo\|bar/`,
+        String.raw`var foo = /\^bar/`,
+        String.raw`var foo = /[\^bar]/`,
+        String.raw`var foo = /\(bar\)/`,
+        String.raw`var foo = /[[\]]/`, // A character class containing '[' and ']'
+        String.raw`var foo = /[[]\./`, // A character class containing '[', followed by a '.' character
+        String.raw`var foo = /[\]\]]/`, // A (redundant) character class containing ']'
+        String.raw`var foo = /\[abc]/`, // Matches the literal string '[abc]'
+        String.raw`var foo = /\[foo\.bar]/`, // Matches the literal string '[foo.bar]'
+        String.raw`var foo = /vi/m`,
+        String.raw`var foo = /\B/`,
+
+        // https://github.com/eslint/eslint/issues/7472
+        String.raw`var foo = /\0/`, // null character
+        "var foo = /\\1/", // \x01 character (octal literal)
+        "var foo = /(a)\\1/", // backreference
+        "var foo = /(a)\\12/", // backreference
+        "var foo = /[\\0]/", // null character in character class
+
+        "var foo = 'foo \\\u2028 bar'",
+        "var foo = 'foo \\\u2029 bar'",
+
+        // https://github.com/eslint/eslint/issues/7789
+        String.raw`/]/`,
+        String.raw`/\]/`,
+        { code: String.raw`/\]/u`, parserOptions: { ecmaVersion: 6 } },
+        String.raw`var foo = /foo\]/`,
+        String.raw`var foo = /[[]\]/`, // A character class containing '[', followed by a ']' character
+        String.raw`var foo = /\[foo\.bar\]/`,
+
+        // ES2018
+        { code: String.raw`var foo = /(?<a>)\k<a>/`, parserOptions: { ecmaVersion: 2018 } },
+        { code: String.raw`var foo = /(\\?<a>)/`, parserOptions: { ecmaVersion: 2018 } },
+        { code: String.raw`var foo = /\p{ASCII}/u`, parserOptions: { ecmaVersion: 2018 } },
+        { code: String.raw`var foo = /\P{ASCII}/u`, parserOptions: { ecmaVersion: 2018 } },
+        { code: String.raw`var foo = /[\p{ASCII}]/u`, parserOptions: { ecmaVersion: 2018 } },
+        { code: String.raw`var foo = /[\P{ASCII}]/u`, parserOptions: { ecmaVersion: 2018 } }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = /\\#/;",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\#.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = /#/;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = /\\\\#/;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = /\\;/;",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\;.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = /;/;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = /\\\\;/;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"\\'\";",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\'.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"'\";"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"\\\\'\";"
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"\\#/\";",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\#.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"#/\";"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"\\\\#/\";"
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"\\a\"",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\a.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"a\""
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"\\\\a\""
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"\\B\";",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\B.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"B\";"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"\\\\B\";"
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"\\@\";",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\@.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"@\";"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"\\\\@\";"
+                }]
+            }]
+        },
+        {
+            code: "var foo = \"foo \\a bar\";",
+            errors: [{
+                line: 1,
+                column: 16,
+                endColumn: 17,
+                message: "Unnecessary escape character: \\a.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = \"foo a bar\";"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = \"foo \\\\a bar\";"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\\"';",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\\".",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = '\"';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = '\\\\\"';"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\#';",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\#.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = '#';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = '\\\\#';"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\$';",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\$.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = '$';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = '\\\\$';"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\p';",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\p.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = 'p';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = '\\\\p';"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\p\\a\\@';",
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\p.",
+                    type: "Literal",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = 'p\\a\\@';"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = '\\\\p\\a\\@';"
+                    }]
+                },
+                {
+                    line: 1,
+                    column: 14,
+                    endColumn: 15,
+                    message: "Unnecessary escape character: \\a.",
+                    type: "Literal",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = '\\pa\\@';"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = '\\p\\\\a\\@';"
+                    }]
+                },
+                {
+                    line: 1,
+                    column: 16,
+                    endColumn: 17,
+                    message: "Unnecessary escape character: \\@.",
+                    type: "Literal",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = '\\p\\a@';"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = '\\p\\a\\\\@';"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "<foo attr={\"\\d\"}/>",
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\d.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "<foo attr={\"d\"}/>"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "<foo attr={\"\\\\d\"}/>"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\`';",
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\`.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = '`';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = '\\\\`';"
+                }]
+            }]
+        },
+        {
+            code: "var foo = `\\\"`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\\".",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = `\"`;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = `\\\\\"`;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = `\\'`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\'.",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = `'`;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = `\\\\'`;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = `\\#`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\#.",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = `#`;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = `\\\\#`;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = '\\`foo\\`';",
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\`.",
+                    type: "Literal",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = '`foo\\`';"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = '\\\\`foo\\`';"
+                    }]
+                },
+                {
+                    line: 1,
+                    column: 17,
+                    endColumn: 18,
+                    message: "Unnecessary escape character: \\`.",
+                    type: "Literal",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = '\\`foo`';"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = '\\`foo\\\\`';"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "var foo = `\\\"${foo}\\\"`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\\".",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `\"${foo}\\\"`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\\\\"${foo}\\\"`;"
+                    }]
+                },
+                {
+                    line: 1,
+                    column: 20,
+                    endColumn: 21,
+                    message: "Unnecessary escape character: \\\".",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `\\\"${foo}\"`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\\"${foo}\\\\\"`;"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "var foo = `\\'${foo}\\'`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\'.",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `'${foo}\\'`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\\\'${foo}\\'`;"
+                    }]
+                },
+                {
+                    line: 1,
+                    column: 20,
+                    endColumn: 21,
+                    message: "Unnecessary escape character: \\'.",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `\\'${foo}'`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\'${foo}\\\\'`;"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "var foo = `\\#${foo}`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\#.",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "var foo = `#${foo}`;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "var foo = `\\\\#${foo}`;"
+                }]
+            }]
+        },
+        {
+            code: "let foo = '\\ ';",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\ .",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "let foo = ' ';"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "let foo = '\\\\ ';"
+                }]
+            }]
+        },
+        {
+            code: "let foo = /\\ /;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\ .",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "let foo = / /;"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "let foo = /\\\\ /;"
+                }]
+            }]
+        },
+        {
+            code: "var foo = `\\$\\{{${foo}`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\$.",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `$\\{{${foo}`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\\\$\\{{${foo}`;"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "var foo = `\\$a${foo}`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    line: 1,
+                    column: 12,
+                    endColumn: 13,
+                    message: "Unnecessary escape character: \\$.",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `$a${foo}`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `\\\\$a${foo}`;"
+                    }]
+                }
+            ]
+        },
+        {
+            code: "var foo = `a\\{{${foo}`;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    line: 1,
+                    column: 13,
+                    endColumn: 14,
+                    message: "Unnecessary escape character: \\{.",
+                    type: "TemplateElement",
+                    suggestions: [{
+                        messageId: "removeEscape",
+                        output: "var foo = `a{{${foo}`;"
+                    }, {
+                        messageId: "escapeBackslash",
+                        output: "var foo = `a\\\\{{${foo}`;"
+                    }]
+                }
+            ]
+        },
+        {
+            code: String.raw`var foo = /[ab\-]/`,
+            errors: [{
+                line: 1,
+                column: 15,
+                endColumn: 16,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[ab-]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[ab\\-]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\-ab]/`,
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[-ab]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\-ab]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[ab\?]/`,
+            errors: [{
+                line: 1,
+                column: 15,
+                endColumn: 16,
+                message: "Unnecessary escape character: \\?.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[ab?]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[ab\\?]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[ab\.]/`,
+            errors: [{
+                line: 1,
+                column: 15,
+                endColumn: 16,
+                message: "Unnecessary escape character: \\..",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[ab.]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[ab\\.]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[a\|b]/`,
+            errors: [{
+                line: 1,
+                column: 14,
+                endColumn: 15,
+                message: "Unnecessary escape character: \\|.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[a|b]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[a\\|b]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /\-/`,
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /-/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /\\-/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\-]/`,
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[-]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\-]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[ab\$]/`,
+            errors: [{
+                line: 1,
+                column: 15,
+                endColumn: 16,
+                message: "Unnecessary escape character: \\$.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[ab$]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[ab\\$]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\(paren]/`,
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\(.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[(paren]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\(paren]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\[]/`,
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\[.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[[]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\[]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\/]/`, // A character class containing '/'
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\/.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[/]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\/]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[\B]/`,
+            errors: [{
+                line: 1,
+                column: 13,
+                endColumn: 14,
+                message: "Unnecessary escape character: \\B.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[B]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[\\B]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[a][\-b]/`,
+            errors: [{
+                line: 1,
+                column: 16,
+                endColumn: 17,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[a][-b]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[a][\\-b]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /\-[]/`,
+            errors: [{
+                line: 1,
+                column: 12,
+                endColumn: 13,
+                message: "Unnecessary escape character: \\-.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /-[]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /\\-[]/`
+                }]
+            }]
+        },
+        {
+            code: String.raw`var foo = /[a\^]/`,
+            errors: [{
+                line: 1,
+                column: 14,
+                endColumn: 15,
+                message: "Unnecessary escape character: \\^.",
+                type: "Literal",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: String.raw`var foo = /[a^]/`
+                }, {
+                    messageId: "escapeBackslash",
+                    output: String.raw`var foo = /[a\\^]/`
+                }]
+            }]
+        },
+        {
+            code: "`multiline template\nliteral with useless \\escape`",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 2,
+                column: 22,
+                endColumn: 23,
+                message: "Unnecessary escape character: \\e.",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "`multiline template\nliteral with useless escape`"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "`multiline template\nliteral with useless \\\\escape`"
+                }]
+            }]
+        },
+        {
+            code: "`\\a```",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                line: 1,
+                column: 2,
+                endColumn: 3,
+                message: "Unnecessary escape character: \\a.",
+                type: "TemplateElement",
+                suggestions: [{
+                    messageId: "removeEscape",
+                    output: "`a```"
+                }, {
+                    messageId: "escapeBackslash",
+                    output: "`\\\\a```"
+                }]
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-rename.js b/eslint/tests/lib/rules/no-useless-rename.js
new file mode 100644
index 0000000..af8f6b8
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-rename.js
@@ -0,0 +1,536 @@
+/**
+ * @fileoverview Disallow renaming import, export, and destructured assignments to the same name.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-rename"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+ruleTester.run("no-useless-rename", rule, {
+    valid: [
+        "let {foo} = obj;",
+        "let {foo: bar} = obj;",
+        "let {foo: bar, baz: qux} = obj;",
+        "let {foo: {bar: baz}} = obj;",
+        "let {foo, bar: {baz: qux}} = obj;",
+        "let {'foo': bar} = obj;",
+        "let {'foo': bar, 'baz': qux} = obj;",
+        "let {'foo': {'bar': baz}} = obj;",
+        "let {foo, 'bar': {'baz': qux}} = obj;",
+        "let {['foo']: bar} = obj;",
+        "let {['foo']: bar, ['baz']: qux} = obj;",
+        "let {['foo']: {['bar']: baz}} = obj;",
+        "let {foo, ['bar']: {['baz']: qux}} = obj;",
+        "let {[foo]: foo} = obj;",
+        "let {['foo']: foo} = obj;",
+        "let {[foo]: bar} = obj;",
+        "function func({foo}) {}",
+        "function func({foo: bar}) {}",
+        "function func({foo: bar, baz: qux}) {}",
+        "({foo}) => {}",
+        "({foo: bar}) => {}",
+        "({foo: bar, baz: qui}) => {}",
+        "import * as foo from 'foo';",
+        "import foo from 'foo';",
+        "import {foo} from 'foo';",
+        "import {foo as bar} from 'foo';",
+        "import {foo as bar, baz as qux} from 'foo';",
+        "export {foo} from 'foo';",
+        "var foo = 0;export {foo as bar};",
+        "var foo = 0; var baz = 0; export {foo as bar, baz as qux};",
+        "export {foo as bar} from 'foo';",
+        "export {foo as bar, baz as qux} from 'foo';",
+        {
+            code: "const {...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "const {foo, ...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "const {foo: bar, ...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // { ignoreDestructuring: true }
+        {
+            code: "let {foo: foo} = obj;",
+            options: [{ ignoreDestructuring: true }]
+        },
+        {
+            code: "let {foo: foo, bar: baz} = obj;",
+            options: [{ ignoreDestructuring: true }]
+        },
+        {
+            code: "let {foo: foo, bar: bar} = obj;",
+            options: [{ ignoreDestructuring: true }]
+        },
+
+        // { ignoreImport: true }
+        {
+            code: "import {foo as foo} from 'foo';",
+            options: [{ ignoreImport: true }]
+        },
+        {
+            code: "import {foo as foo, bar as baz} from 'foo';",
+            options: [{ ignoreImport: true }]
+        },
+        {
+            code: "import {foo as foo, bar as bar} from 'foo';",
+            options: [{ ignoreImport: true }]
+        },
+
+        // { ignoreExport: true }
+        {
+            code: "var foo = 0;export {foo as foo};",
+            options: [{ ignoreExport: true }]
+        },
+        {
+            code: "var foo = 0;var bar = 0;export {foo as foo, bar as baz};",
+            options: [{ ignoreExport: true }]
+        },
+        {
+            code: "var foo = 0;var bar = 0;export {foo as foo, bar as bar};",
+            options: [{ ignoreExport: true }]
+        },
+        {
+            code: "export {foo as foo} from 'foo';",
+            options: [{ ignoreExport: true }]
+        },
+        {
+            code: "export {foo as foo, bar as baz} from 'foo';",
+            options: [{ ignoreExport: true }]
+        },
+        {
+            code: "export {foo as foo, bar as bar} from 'foo';",
+            options: [{ ignoreExport: true }]
+        },
+
+        /*
+         * TODO: Remove after babel-eslint removes ExperimentalRestProperty
+         * https://github.com/eslint/eslint/issues/12335
+         */
+        {
+            code: "const { ...foo } = bar;",
+            parser: require.resolve("../../fixtures/parsers/babel-eslint10/object-pattern-with-rest-element")
+        }
+    ],
+
+    invalid: [
+        {
+            code: "let {foo: foo} = obj;",
+            output: "let {foo} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "let {a, foo: foo} = obj;",
+            output: "let {a, foo} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "let {foo: foo, bar: baz} = obj;",
+            output: "let {foo, bar: baz} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "let {foo: bar, baz: baz} = obj;",
+            output: "let {foo: bar, baz} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }]
+        },
+        {
+            code: "let {foo: foo, bar: bar} = obj;",
+            output: "let {foo, bar} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }
+            ]
+        },
+        {
+            code: "let {foo: {bar: bar}} = obj;",
+            output: "let {foo: {bar}} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "let {foo: {bar: bar}, baz: baz} = obj;",
+            output: "let {foo: {bar}, baz} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "let {'foo': foo} = obj;",
+            output: "let {foo} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "let {'foo': foo, 'bar': baz} = obj;",
+            output: "let {foo, 'bar': baz} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "let {'foo': bar, 'baz': baz} = obj;",
+            output: "let {'foo': bar, baz} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }]
+        },
+        {
+            code: "let {'foo': foo, 'bar': bar} = obj;",
+            output: "let {foo, bar} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }
+            ]
+        },
+        {
+            code: "let {'foo': {'bar': bar}} = obj;",
+            output: "let {'foo': {bar}} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "let {'foo': {'bar': bar}, 'baz': baz} = obj;",
+            output: "let {'foo': {bar}, baz} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "let {foo: foo = 1, 'bar': bar = 1, baz: baz} = obj;",
+            output: "let {foo = 1, bar = 1, baz} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "let {foo: {bar: bar = 1, 'baz': baz = 1}} = obj;",
+            output: "let {foo: {bar = 1, baz = 1}} = obj;",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "let {foo: {bar: bar = {}} = {}} = obj;",
+            output: "let {foo: {bar = {}} = {}} = obj;",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "function func({foo: foo}) {}",
+            output: "function func({foo}) {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "function func({foo: foo, bar: baz}) {}",
+            output: "function func({foo, bar: baz}) {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "function func({foo: bar, baz: baz}) {}",
+            output: "function func({foo: bar, baz}) {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }]
+        },
+        {
+            code: "function func({foo: foo, bar: bar}) {}",
+            output: "function func({foo, bar}) {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }
+            ]
+        },
+        {
+            code: "function func({foo: foo = 1, 'bar': bar = 1, baz: baz}) {}",
+            output: "function func({foo = 1, bar = 1, baz}) {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "function func({foo: {bar: bar = 1, 'baz': baz = 1}}) {}",
+            output: "function func({foo: {bar = 1, baz = 1}}) {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "function func({foo: {bar: bar = {}} = {}}) {}",
+            output: "function func({foo: {bar = {}} = {}}) {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "({foo: foo}) => {}",
+            output: "({foo}) => {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo: foo, bar: baz}) => {}",
+            output: "({foo, bar: baz}) => {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo: bar, baz: baz}) => {}",
+            output: "({foo: bar, baz}) => {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }]
+        },
+        {
+            code: "({foo: foo, bar: bar}) => {}",
+            output: "({foo, bar}) => {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }
+            ]
+        },
+        {
+            code: "({foo: foo = 1, 'bar': bar = 1, baz: baz}) => {}",
+            output: "({foo = 1, bar = 1, baz}) => {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "({foo: {bar: bar = 1, 'baz': baz = 1}}) => {}",
+            output: "({foo: {bar = 1, baz = 1}}) => {}",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "baz" } }
+            ]
+        },
+        {
+            code: "({foo: {bar: bar = {}} = {}}) => {}",
+            output: "({foo: {bar = {}} = {}}) => {}",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "const {foo: foo, ...stuff} = myObject;",
+            output: "const {foo, ...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "const {foo: foo, bar: baz, ...stuff} = myObject;",
+            output: "const {foo, bar: baz, ...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "const {foo: foo, bar: bar, ...stuff} = myObject;",
+            output: "const {foo, bar, ...stuff} = myObject;",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }
+            ]
+        },
+        {
+            code: "import {foo as foo} from 'foo';",
+            output: "import {foo} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo as foo, bar as baz} from 'foo';",
+            output: "import {foo, bar as baz} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo as bar, baz as baz} from 'foo';",
+            output: "import {foo as bar, baz} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "baz" } }]
+        },
+        {
+            code: "import {foo as foo, bar as bar} from 'foo';",
+            output: "import {foo, bar} from 'foo';",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Import", name: "bar" } }
+            ]
+        },
+        {
+            code: "var foo = 0; export {foo as foo};",
+            output: "var foo = 0; export {foo};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "var foo = 0; var bar = 0; export {foo as foo, bar as baz};",
+            output: "var foo = 0; var bar = 0; export {foo, bar as baz};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "var foo = 0; var baz = 0; export {foo as bar, baz as baz};",
+            output: "var foo = 0; var baz = 0; export {foo as bar, baz};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "baz" } }]
+        },
+        {
+            code: "var foo = 0; var bar = 0;export {foo as foo, bar as bar};",
+            output: "var foo = 0; var bar = 0;export {foo, bar};",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Export", name: "bar" } }
+            ]
+        },
+        {
+            code: "export {foo as foo} from 'foo';",
+            output: "export {foo} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "export {foo as foo, bar as baz} from 'foo';",
+            output: "export {foo, bar as baz} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "var foo = 0; var bar = 0; export {foo as bar, baz as baz} from 'foo';",
+            output: "var foo = 0; var bar = 0; export {foo as bar, baz} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "baz" } }]
+        },
+        {
+            code: "export {foo as foo, bar as bar} from 'foo';",
+            output: "export {foo, bar} from 'foo';",
+            errors: [
+                { messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } },
+                { messageId: "unnecessarilyRenamed", data: { type: "Export", name: "bar" } }
+            ]
+        },
+
+        // Should not autofix if it would remove comments
+        {
+            code: "({/* comment */foo: foo} = {});",
+            output: "({/* comment */foo} = {});",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo, /* comment */bar: bar} = {});",
+            output: "({foo, /* comment */bar} = {});",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "bar" } }]
+        },
+        {
+            code: "({foo/**/ : foo} = {});",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo /**/: foo} = {});",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo://\nfoo} = {});",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo: /**/foo} = {});",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo: foo/* comment */} = {});",
+            output: "({foo/* comment */} = {});",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "({foo: foo//comment\n,bar} = {});",
+            output: "({foo//comment\n,bar} = {});",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Destructuring assignment", name: "foo" } }]
+        },
+        {
+            code: "import {/* comment */foo as foo} from 'foo';",
+            output: "import {/* comment */foo} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo,/* comment */bar as bar} from 'foo';",
+            output: "import {foo,/* comment */bar} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "bar" } }]
+        },
+        {
+            code: "import {foo/**/ as foo} from 'foo';",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo /**/as foo} from 'foo';",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo //\nas foo} from 'foo';",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo as/**/foo} from 'foo';",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo as foo/* comment */} from 'foo';",
+            output: "import {foo/* comment */} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "import {foo as foo/* comment */,bar} from 'foo';",
+            output: "import {foo/* comment */,bar} from 'foo';",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Import", name: "foo" } }]
+        },
+        {
+            code: "let foo; export {/* comment */foo as foo};",
+            output: "let foo; export {/* comment */foo};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo, bar; export {foo,/* comment */bar as bar};",
+            output: "let foo, bar; export {foo,/* comment */bar};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "bar" } }]
+        },
+        {
+            code: "let foo; export {foo/**/as foo};",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo; export {foo as/**/ foo};",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo; export {foo as /**/foo};",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo; export {foo as//comment\n foo};",
+            output: null,
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo; export {foo as foo/* comment*/};",
+            output: "let foo; export {foo/* comment*/};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo, bar; export {foo as foo/* comment*/,bar};",
+            output: "let foo, bar; export {foo/* comment*/,bar};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        },
+        {
+            code: "let foo, bar; export {foo as foo//comment\n,bar};",
+            output: "let foo, bar; export {foo//comment\n,bar};",
+            errors: [{ messageId: "unnecessarilyRenamed", data: { type: "Export", name: "foo" } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-useless-return.js b/eslint/tests/lib/rules/no-useless-return.js
new file mode 100644
index 0000000..434700c
--- /dev/null
+++ b/eslint/tests/lib/rules/no-useless-return.js
@@ -0,0 +1,448 @@
+/**
+ * @fileoverview Disallow redundant return statements
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-useless-return"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-useless-return", rule, {
+
+    valid: [
+        "function foo() { return 5; }",
+        "function foo() { return null; }",
+        "function foo() { return doSomething(); }",
+        `
+          function foo() {
+            if (bar) {
+              doSomething();
+              return;
+            } else {
+              doSomethingElse();
+            }
+            qux();
+          }
+        `,
+        `
+          function foo() {
+            switch (bar) {
+              case 1:
+                doSomething();
+                return;
+              default:
+                doSomethingElse();
+            }
+          }
+        `,
+        `
+          function foo() {
+            switch (bar) {
+              default:
+                doSomething();
+                return;
+              case 1:
+                doSomethingElse();
+            }
+          }
+        `,
+        `
+          function foo() {
+            switch (bar) {
+              case 1:
+                if (a) {
+                  doSomething();
+                  return;
+                } else {
+                  doSomething();
+                  return;
+                }
+              default:
+                doSomethingElse();
+            }
+          }
+        `,
+        `
+          function foo() {
+            for (var foo = 0; foo < 10; foo++) {
+              return;
+            }
+          }
+        `,
+        `
+          function foo() {
+            for (var foo in bar) {
+              return;
+            }
+          }
+        `,
+        `
+          function foo() {
+            try {
+              return 5;
+            } finally {
+              return; // This is allowed because it can override the returned value of 5
+            }
+          }
+        `,
+        `
+          function foo() {
+            return;
+            doSomething();
+          }
+        `,
+        {
+            code: `
+              function foo() {
+                for (var foo of bar) return;
+              }
+            `,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => { if (foo) return; bar(); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => 5",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "() => { return; doSomething(); }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "if (foo) { return; } doSomething();",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+
+        // https://github.com/eslint/eslint/issues/7477
+        `
+          function foo() {
+            if (bar) return;
+            return baz;
+          }
+        `,
+        `
+          function foo() {
+            if (bar) {
+              return;
+            }
+            return baz;
+          }
+        `,
+        `
+          function foo() {
+            if (bar) baz();
+            else return;
+            return 5;
+          }
+        `,
+
+        // https://github.com/eslint/eslint/issues/7583
+        `
+          function foo() {
+            return;
+            while (foo) return;
+            foo;
+          }
+        `,
+
+        // https://github.com/eslint/eslint/issues/7855
+        `
+          try {
+            throw new Error('foo');
+            while (false);
+          } catch (err) {}
+        `,
+
+        // https://github.com/eslint/eslint/issues/11647
+        `
+          function foo(arg) {
+            throw new Error("Debugging...");
+            if (!arg) {
+              return;
+            }
+            console.log(arg);
+          }
+        `
+    ],
+
+    invalid: [
+        {
+            code: "function foo() { return; }",
+            output: "function foo() {  }"
+        },
+        {
+            code: "function foo() { doSomething(); return; }",
+            output: "function foo() { doSomething();  }"
+        },
+        {
+            code: "function foo() { if (condition) { bar(); return; } else { baz(); } }",
+            output: "function foo() { if (condition) { bar();  } else { baz(); } }"
+        },
+        {
+            code: "function foo() { if (foo) return; }",
+            output: "function foo() { if (foo) return; }"
+        },
+        {
+            code: "function foo() { bar(); return/**/; }",
+            output: null
+        },
+        {
+            code: "function foo() { bar(); return//\n; }",
+            output: null
+        },
+        {
+            code: "foo(); return;",
+            output: "foo(); ",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "if (foo) { bar(); return; } else { baz(); }",
+            output: "if (foo) { bar();  } else { baz(); }",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: `
+              function foo() {
+                if (foo) {
+                  return;
+                }
+                return;
+              }
+            `,
+            output: `
+              function foo() {
+                if (foo) {
+                  
+                }
+                return;
+              }
+            `, // Other case is fixed in the second pass.
+            errors: [
+                { messageId: "unnecessaryReturn", type: "ReturnStatement" },
+                { messageId: "unnecessaryReturn", type: "ReturnStatement" }
+            ]
+        },
+        {
+            code: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    doSomething();
+                  default:
+                    doSomethingElse();
+                    return;
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    doSomething();
+                  default:
+                    doSomethingElse();
+                    
+                }
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                switch (bar) {
+                  default:
+                    doSomething();
+                  case 1:
+                    doSomething();
+                    return;
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                switch (bar) {
+                  default:
+                    doSomething();
+                  case 1:
+                    doSomething();
+                    
+                }
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      return;
+                    }
+                    break;
+                  default:
+                    doSomethingElse();
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      
+                    }
+                    break;
+                  default:
+                    doSomethingElse();
+                }
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      return;
+                    } else {
+                      doSomething();
+                    }
+                    break;
+                  default:
+                    doSomethingElse();
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      
+                    } else {
+                      doSomething();
+                    }
+                    break;
+                  default:
+                    doSomethingElse();
+                }
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      return;
+                    }
+                  default:
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                switch (bar) {
+                  case 1:
+                    if (a) {
+                      doSomething();
+                      
+                    }
+                  default:
+                }
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                try {} catch (err) { return; }
+              }
+            `,
+            output: `
+              function foo() {
+                try {} catch (err) {  }
+              }
+            `
+        },
+
+        /*
+         * FIXME: Re-add this case (removed due to https://github.com/eslint/eslint/issues/7481):
+         * https://github.com/eslint/eslint/blob/261d7287820253408ec87c344beccdba2fe829a4/tests/lib/rules/no-useless-return.js#L308-L329
+         */
+
+        {
+            code: `
+              function foo() {
+                try {} finally {}
+                return;
+              }
+            `,
+            output: `
+              function foo() {
+                try {} finally {}
+                
+              }
+            `
+        },
+        {
+            code: `
+              function foo() {
+                try {
+                  return 5;
+                } finally {
+                  function bar() {
+                    return;
+                  }
+                }
+              }
+            `,
+            output: `
+              function foo() {
+                try {
+                  return 5;
+                } finally {
+                  function bar() {
+                    
+                  }
+                }
+              }
+            `
+        },
+        {
+            code: "() => { return; }",
+            output: "() => {  }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function foo() { return; return; }",
+            output: "function foo() {  return; }",
+            errors: [{
+                messageId: "unnecessaryReturn",
+                type: "ReturnStatement",
+                column: 18
+            }]
+        }
+    ].map(invalidCase => Object.assign({ errors: [{ messageId: "unnecessaryReturn", type: "ReturnStatement" }] }, invalidCase))
+});
diff --git a/eslint/tests/lib/rules/no-var.js b/eslint/tests/lib/rules/no-var.js
new file mode 100644
index 0000000..84e14ae
--- /dev/null
+++ b/eslint/tests/lib/rules/no-var.js
@@ -0,0 +1,324 @@
+/**
+ * @fileoverview Tests for no-var rule.
+ * @author Jamund Ferguson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("no-var", rule, {
+    valid: [
+        "const JOE = 'schmoe';",
+        "let moo = 'car';",
+        {
+            code: "const JOE = 'schmoe';",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "let moo = 'car';",
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = bar;",
+            output: "let foo = bar;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "var foo = bar, toast = most;",
+            output: "let foo = bar, toast = most;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "var foo = bar; let toast = most;",
+            output: "let foo = bar; let toast = most;",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "for (var a of b) { console.log(a); }",
+            output: "for (let a of b) { console.log(a); }",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "for (var a in b) { console.log(a); }",
+            output: "for (let a in b) { console.log(a); }",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "for (let a of b) { var c = 1; console.log(c); }",
+            output: "for (let a of b) { let c = 1; console.log(c); }",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                {
+                    messageId: "unexpectedVar",
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "for (var i = 0; i < list.length; ++i) { foo(i) }",
+            output: "for (let i = 0; i < list.length; ++i) { foo(i) }",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar", type: "VariableDeclaration" }
+            ]
+        },
+        {
+            code: "for (var i = 0, i = 0; false;);",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar", type: "VariableDeclaration" }
+            ]
+        },
+        {
+            code: "var i = 0; for (var i = 1; false;); console.log(i);",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar", type: "VariableDeclaration" },
+                { messageId: "unexpectedVar", type: "VariableDeclaration" }
+            ]
+        },
+
+        // Not fix if it's redeclared or it's used from outside of the scope or it's declared on a case chunk.
+        {
+            code: "var a, b, c; var a;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" },
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var a; if (b) { var a; }",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" },
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "if (foo) { var a, b, c; } a;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "for (var i = 0; i < 10; ++i) {} i;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "for (var a in obj) {} a;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "for (var a of list) {} a;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "switch (a) { case 0: var b = 1 }",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+
+        // Don't fix if the variable is in a loop and the behavior might change.
+        {
+            code: "for (var a of b) { arr.push(() => a); }",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "for (let a of b) { var c; console.log(c); c = 'hello'; }",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7950
+        {
+            code: "var a = a",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var {a = a} = {}",
+            output: null,
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var {a = b, b} = {}",
+            output: null,
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var {a, b = a} = {}",
+            output: "let {a, b = a} = {}",
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var a = b, b = 1",
+            output: null,
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+        {
+            code: "var a = b; var b = 1",
+            output: "let a = b; var b = 1",
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" },
+                { messageId: "unexpectedVar" }
+            ]
+        },
+
+        /*
+         * This case is not in TDZ, but it's very hard to distinguish the reference is in TDZ or not.
+         * So this rule does not fix it for safe.
+         */
+        {
+            code: "function foo() { a } var a = 1; foo()",
+            output: null,
+            parserOptions: { ecmaVersion: 2015, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7961
+        {
+            code: "if (foo) var bar = 1;",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "unexpectedVar", type: "VariableDeclaration" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/9520
+        {
+            code: "var foo = 1",
+            output: null,
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+        {
+            code: "{ var foo = 1 }",
+            output: null,
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+        {
+            code: "if (true) { var foo = 1 }",
+            output: null,
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+        {
+            code: "var foo = 1",
+            output: "let foo = 1",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11594
+        {
+            code: "declare var foo = 2;",
+            output: "declare let foo = 2;",
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/declare-var"),
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/11830
+        {
+            code: "function foo() { var let; }",
+            output: null,
+            errors: [{ messageId: "unexpectedVar" }]
+        },
+        {
+            code: "function foo() { var { let } = {}; }",
+            output: null,
+            errors: [{ messageId: "unexpectedVar" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-void.js b/eslint/tests/lib/rules/no-void.js
new file mode 100644
index 0000000..2a1ee1d
--- /dev/null
+++ b/eslint/tests/lib/rules/no-void.js
@@ -0,0 +1,65 @@
+/**
+ * @fileoverview Rule to disallow use of void operator.
+ * @author Mike Sidorov
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-void");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-void", rule, {
+    valid: [
+        "var foo = bar()",
+        "foo.void()",
+        "foo.void = bar",
+        "delete foo;",
+        {
+            code: "void 0",
+            options: [{ allowAsStatement: true }]
+        },
+        {
+            code: "void(0)",
+            options: [{ allowAsStatement: true }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "void 0",
+            errors: [{ messageId: "noVoid" }]
+        },
+        {
+            code: "void 0",
+            options: [{}],
+            errors: [{ messageId: "noVoid" }]
+        },
+        {
+            code: "void 0",
+            options: [{ allowAsStatement: false }],
+            errors: [{ messageId: "noVoid" }]
+        },
+        {
+            code: "void(0)",
+            errors: [{ messageId: "noVoid" }]
+        },
+        {
+            code: "var foo = void 0",
+            errors: [{ messageId: "noVoid" }]
+        },
+        {
+            code: "var foo = void 0",
+            options: [{ allowAsStatement: true }],
+            errors: [{ messageId: "noVoid" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-warning-comments.js b/eslint/tests/lib/rules/no-warning-comments.js
new file mode 100644
index 0000000..0359b87
--- /dev/null
+++ b/eslint/tests/lib/rules/no-warning-comments.js
@@ -0,0 +1,208 @@
+/**
+ * @fileoverview Tests for no-warning-comments rule.
+ * @author Alexander Schmidt <https://github.com/lxanders>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-warning-comments"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-warning-comments", rule, {
+    valid: [
+        { code: "// any comment", options: [{ terms: ["fixme"] }] },
+        { code: "// any comment", options: [{ terms: ["fixme", "todo"] }] },
+        "// any comment",
+        { code: "// any comment", options: [{ location: "anywhere" }] },
+        { code: "// any comment with TODO, FIXME or XXX", options: [{ location: "start" }] },
+        "// any comment with TODO, FIXME or XXX",
+        { code: "/* any block comment */", options: [{ terms: ["fixme"] }] },
+        { code: "/* any block comment */", options: [{ terms: ["fixme", "todo"] }] },
+        "/* any block comment */",
+        { code: "/* any block comment */", options: [{ location: "anywhere" }] },
+        { code: "/* any block comment with TODO, FIXME or XXX */", options: [{ location: "start" }] },
+        "/* any block comment with TODO, FIXME or XXX */",
+        "/* any block comment with (TODO, FIXME's or XXX!) */",
+        { code: "// comments containing terms as substrings like TodoMVC", options: [{ terms: ["todo"], location: "anywhere" }] },
+        { code: "// special regex characters don't cause problems", options: [{ terms: ["[aeiou]"], location: "anywhere" }] },
+        "/*eslint no-warning-comments: [2, { \"terms\": [\"todo\", \"fixme\", \"any other term\"], \"location\": \"anywhere\" }]*/\n\nvar x = 10;\n",
+        { code: "/*eslint no-warning-comments: [2, { \"terms\": [\"todo\", \"fixme\", \"any other term\"], \"location\": \"anywhere\" }]*/\n\nvar x = 10;\n", options: [{ location: "anywhere" }] },
+        { code: "foo", options: [{ terms: ["foo-bar"] }] }
+    ],
+    invalid: [
+        {
+            code: "// fixme",
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "// any fixme",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "// any fixme",
+            options: [{ terms: ["fixme"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "// any FIXME",
+            options: [{ terms: ["fixme"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "// any fIxMe",
+            options: [{ terms: ["fixme"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "/* any fixme */",
+            options: [{ terms: ["FIXME"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "FIXME" } }
+            ]
+        },
+        {
+            code: "/* any FIXME */",
+            options: [{ terms: ["FIXME"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "FIXME" } }
+            ]
+        },
+        {
+            code: "/* any fIxMe */",
+            options: [{ terms: ["FIXME"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "FIXME" } }
+            ]
+        },
+        {
+            code: "// any fixme or todo",
+            options: [{ terms: ["fixme", "todo"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } }
+            ]
+        },
+        {
+            code: "/* any fixme or todo */",
+            options: [{ terms: ["fixme", "todo"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } }
+            ]
+        },
+        {
+            code: "/* any fixme or todo */",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "/* fixme and todo */",
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "/* fixme and todo */",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "/* any fixme */",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "/* fixme! */",
+            options: [{ terms: ["fixme"] }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } }
+            ]
+        },
+        {
+            code: "// regex [litera|$]",
+            options: [{ terms: ["[litera|$]"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "[litera|$]" } }
+            ]
+        },
+        {
+            code: "/* eslint one-var: 2 */",
+            options: [{ terms: ["eslint"] }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "eslint" } }
+            ]
+        },
+        {
+            code: "/* eslint one-var: 2 */",
+            options: [{ terms: ["one"], location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "one" } }
+            ]
+        },
+        {
+            code: "/* any block comment with TODO, FIXME or XXX */",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "xxx" } }
+            ]
+        },
+        {
+            code: "/* any block comment with (TODO, FIXME's or XXX!) */",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "xxx" } }
+            ]
+        },
+        {
+            code: "/** \n *any block comment \n*with (TODO, FIXME's or XXX!) **/",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "xxx" } }
+            ]
+        },
+        {
+            code: "// any comment with TODO, FIXME or XXX",
+            options: [{ location: "anywhere" }],
+            errors: [
+                { messageId: "unexpectedComment", data: { matchedTerm: "todo" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "fixme" } },
+                { messageId: "unexpectedComment", data: { matchedTerm: "xxx" } }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-whitespace-before-property.js b/eslint/tests/lib/rules/no-whitespace-before-property.js
new file mode 100644
index 0000000..d10b30e
--- /dev/null
+++ b/eslint/tests/lib/rules/no-whitespace-before-property.js
@@ -0,0 +1,864 @@
+/**
+ * @fileoverview Rule to disallow whitespace before properties
+ * @author Kai Cataldo
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-whitespace-before-property"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-whitespace-before-property", rule, {
+
+    valid: [
+        "foo.bar",
+        "foo.bar()",
+        "foo[bar]",
+        "foo['bar']",
+        "foo[0]",
+        "foo[ bar ]",
+        "foo[ 'bar' ]",
+        "foo[ 0 ]",
+        "foo\n.bar",
+        "foo.\nbar",
+        "foo\n.bar()",
+        "foo.\nbar()",
+        "foo\n[bar]",
+        "foo\n['bar']",
+        "foo\n[0]",
+        "foo\n[ bar ]",
+        "foo.\n bar",
+        "foo\n. bar",
+        "foo.\n bar()",
+        "foo\n. bar()",
+        "foo\n [bar]",
+        "foo\n ['bar']",
+        "foo\n [0]",
+        "foo\n [ bar ]",
+        "foo.\n\tbar",
+        "foo\n.\tbar",
+        "foo.\n\tbar()",
+        "foo\n.\tbar()",
+        "foo\n\t[bar]",
+        "foo\n\t['bar']",
+        "foo\n\t[0]",
+        "foo\n\t[ bar ]",
+        "foo.bar.baz",
+        "foo\n.bar\n.baz",
+        "foo.\nbar.\nbaz",
+        "foo.bar().baz()",
+        "foo\n.bar()\n.baz()",
+        "foo.\nbar().\nbaz()",
+        "foo\n.bar\n[baz]",
+        "foo\n.bar\n['baz']",
+        "foo\n.bar\n[0]",
+        "foo\n.bar\n[ baz ]",
+        "foo\n .bar\n .baz",
+        "foo.\n bar.\n baz",
+        "foo\n .bar()\n .baz()",
+        "foo.\n bar().\n baz()",
+        "foo\n .bar\n [baz]",
+        "foo\n .bar\n ['baz']",
+        "foo\n .bar\n [0]",
+        "foo\n .bar\n [ baz ]",
+        "foo\n\t.bar\n\t.baz",
+        "foo.\n\tbar.\n\tbaz",
+        "foo\n\t.bar()\n\t.baz()",
+        "foo.\n\tbar().\n\tbaz()",
+        "foo\n\t.bar\n\t[baz]",
+        "foo\n\t.bar\n\t['baz']",
+        "foo\n\t.bar\n\t[0]",
+        "foo\n\t.bar\n\t[ baz ]",
+        "foo['bar' + baz]",
+        "foo[ 'bar' + baz ]",
+        "(foo + bar).baz",
+        "( foo + bar ).baz",
+        "(foo ? bar : baz).qux",
+        "( foo ? bar : baz ).qux",
+        "(foo ? bar : baz)[qux]",
+        "( foo ? bar : baz )[qux]",
+        "( foo ? bar : baz )[0].qux",
+        "foo.bar[('baz')]",
+        "foo.bar[ ('baz') ]",
+        "foo[[bar]]",
+        "foo[ [ bar ] ]",
+        "foo[['bar']]",
+        "foo[ [ 'bar' ] ]",
+        "foo[(('baz'))]",
+        "foo[ (('baz'))]",
+        "foo[0][[('baz')]]",
+        "foo[bar.baz('qux')]",
+        "foo[(bar.baz() + 0) + qux]",
+        "foo['bar ' + 1 + ' baz']",
+        "5['toExponential']()"
+    ],
+
+    invalid: [
+        {
+            code: "foo. bar",
+            output: "foo.bar",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo .bar",
+            output: "foo.bar",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo [bar]",
+            output: "foo[bar]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo [0]",
+            output: "foo[0]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo ['bar']",
+            output: "foo['bar']",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'bar'" }
+            }]
+        },
+        {
+            code: "foo. bar. baz",
+            output: "foo.bar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo .bar. baz",
+            output: "foo.bar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo [bar] [baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo [bar][baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo[bar] [baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.bar [baz]",
+            output: "foo.bar[baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo. bar[baz]",
+            output: "foo.bar[baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo[bar]. baz",
+            output: "foo[bar].baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo[ bar ] [ baz ]",
+            output: "foo[ bar ][ baz ]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo [ 0 ][ baz ]",
+            output: "foo[ 0 ][ baz ]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo[ 0 ] [ 'baz' ]",
+            output: "foo[ 0 ][ 'baz' ]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'baz'" }
+            }]
+        },
+
+        // tabs
+        {
+            code: "foo\t.bar",
+            output: "foo.bar",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\tbar",
+            output: "foo.bar",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t.bar()",
+            output: "foo.bar()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\tbar()",
+            output: "foo.bar()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t[bar]",
+            output: "foo[bar]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t[0]",
+            output: "foo[0]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo\t['bar']",
+            output: "foo['bar']",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'bar'" }
+            }]
+        },
+        {
+            code: "foo.\tbar.\tbaz",
+            output: "foo.bar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t.bar.\tbaz",
+            output: "foo.bar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\tbar().\tbaz()",
+            output: "foo.bar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t.bar().\tbaz()",
+            output: "foo.bar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t[bar]\t[baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t[bar][baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo[bar]\t[baz]",
+            output: "foo[bar][baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.bar\t[baz]",
+            output: "foo.bar[baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\tbar[baz]",
+            output: "foo.bar[baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo[bar].\tbaz",
+            output: "foo[bar].baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+
+        // newlines
+        {
+            code: "foo [bar]\n .baz",
+            output: "foo[bar]\n .baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo. bar\n .baz",
+            output: "foo.bar\n .baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo .bar\n.baz",
+            output: "foo.bar\n.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\n bar. baz",
+            output: "foo.\n bar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\nbar . baz",
+            output: "foo.\nbar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo. bar()\n .baz()",
+            output: "foo.bar()\n .baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo .bar()\n.baz()",
+            output: "foo.bar()\n.baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\n bar(). baz()",
+            output: "foo.\n bar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\nbar() . baz()",
+            output: "foo.\nbar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo\t[bar]\n\t.baz",
+            output: "foo[bar]\n\t.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\tbar\n\t.baz",
+            output: "foo.bar\n\t.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t.bar\n.baz",
+            output: "foo.bar\n.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\n\tbar.\tbaz",
+            output: "foo.\n\tbar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\nbar\t.\tbaz",
+            output: "foo.\nbar.baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\tbar()\n\t.baz()",
+            output: "foo.bar()\n\t.baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo\t.bar()\n.baz()",
+            output: "foo.bar()\n.baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo.\n\tbar().\tbaz()",
+            output: "foo.\n\tbar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo.\nbar()\t.\tbaz()",
+            output: "foo.\nbar().baz()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+
+        // parens/computed properties
+        {
+            code: "foo ['bar' + baz]",
+            output: "foo['bar' + baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'bar' + baz" }
+            }]
+        },
+        {
+            code: "(foo + bar) .baz",
+            output: "(foo + bar).baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "(foo + bar). baz",
+            output: "(foo + bar).baz",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "(foo + bar) [baz]",
+            output: "(foo + bar)[baz]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "(foo ? bar : baz) .qux",
+            output: "(foo ? bar : baz).qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }]
+        },
+        {
+            code: "(foo ? bar : baz). qux",
+            output: "(foo ? bar : baz).qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }]
+        },
+        {
+            code: "(foo ? bar : baz) [qux]",
+            output: "(foo ? bar : baz)[qux]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }]
+        },
+        {
+            code: "( foo ? bar : baz ) [0].qux",
+            output: "( foo ? bar : baz )[0].qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "( foo ? bar : baz )[0] .qux",
+            output: "( foo ? bar : baz )[0].qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }]
+        },
+        {
+            code: "( foo ? bar : baz )[0]. qux",
+            output: "( foo ? bar : baz )[0].qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }]
+        },
+        {
+            code: "( foo ? bar : baz ) [0]. qux",
+            output: "( foo ? bar : baz )[0].qux",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "qux" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo.bar [('baz')]",
+            output: "foo.bar[('baz')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'baz'" }
+            }]
+        },
+        {
+            code: "foo .bar[('baz')]",
+            output: "foo.bar[('baz')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo .bar [('baz')]",
+            output: "foo.bar[('baz')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'baz'" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar" }
+            }]
+        },
+        {
+            code: "foo [(('baz'))]",
+            output: "foo[(('baz'))]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'baz'" }
+            }]
+        },
+        {
+            code: "foo [[baz]]",
+            output: "foo[[baz]]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "[baz]" }
+            }]
+        },
+        {
+            code: "foo [ [ baz ] ]",
+            output: "foo[ [ baz ] ]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "[ baz ]" }
+            }]
+        },
+        {
+            code: "foo [['baz']]",
+            output: "foo[['baz']]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "['baz']" }
+            }]
+        },
+        {
+            code: "foo [ [ 'baz' ] ]",
+            output: "foo[ [ 'baz' ] ]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "[ 'baz' ]" }
+            }]
+        },
+        {
+            code: "foo[0] [[('baz')]]",
+            output: "foo[0][[('baz')]]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "[('baz')]" }
+            }]
+        },
+        {
+            code: "foo [0][[('baz')]]",
+            output: "foo[0][[('baz')]]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo [0] [[('baz')]]",
+            output: "foo[0][[('baz')]]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "[('baz')]" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "0" }
+            }]
+        },
+        {
+            code: "foo [bar.baz('qux')]",
+            output: "foo[bar.baz('qux')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar.baz('qux')" }
+            }]
+        },
+        {
+            code: "foo[bar .baz('qux')]",
+            output: "foo[bar.baz('qux')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo [bar . baz('qux')]",
+            output: "foo[bar.baz('qux')]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "bar . baz('qux')" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo [(bar.baz() + 0) + qux]",
+            output: "foo[(bar.baz() + 0) + qux]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "(bar.baz() + 0) + qux" }
+            }]
+        },
+        {
+            code: "foo[(bar. baz() + 0) + qux]",
+            output: "foo[(bar.baz() + 0) + qux]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo [(bar. baz() + 0) + qux]",
+            output: "foo[(bar.baz() + 0) + qux]",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "(bar. baz() + 0) + qux" }
+            }, {
+                messageId: "unexpectedWhitespace",
+                data: { propName: "baz" }
+            }]
+        },
+        {
+            code: "foo ['bar ' + 1 + ' baz']",
+            output: "foo['bar ' + 1 + ' baz']",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'bar ' + 1 + ' baz'" }
+            }]
+        },
+        {
+            code: "5 .toExponential()",
+            output: null, // This case is not fixed; can't be sure whether 5..toExponential or (5).toExponential is preferred
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5       .toExponential()",
+            output: null, // Not fixed
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5. .toExponential()",
+            output: "5..toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5.0 .toExponential()",
+            output: "5.0.toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "0x5 .toExponential()",
+            output: "0x5.toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5e0 .toExponential()",
+            output: "5e0.toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5e-0 .toExponential()",
+            output: "5e-0.toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        },
+        {
+            code: "5 ['toExponential']()",
+            output: "5['toExponential']()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "'toExponential'" }
+            }]
+        },
+        {
+            code: "05 .toExponential()",
+            output: "05.toExponential()",
+            errors: [{
+                messageId: "unexpectedWhitespace",
+                data: { propName: "toExponential" }
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/no-with.js b/eslint/tests/lib/rules/no-with.js
new file mode 100644
index 0000000..9476867
--- /dev/null
+++ b/eslint/tests/lib/rules/no-with.js
@@ -0,0 +1,28 @@
+/**
+ * @fileoverview Tests for no-with rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/no-with"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-with", rule, {
+    valid: [
+        "foo.bar()"
+    ],
+    invalid: [
+        { code: "with(foo) { bar() }", errors: [{ messageId: "unexpectedWith", type: "WithStatement" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/nonblock-statement-body-position.js b/eslint/tests/lib/rules/nonblock-statement-body-position.js
new file mode 100644
index 0000000..b029d93
--- /dev/null
+++ b/eslint/tests/lib/rules/nonblock-statement-body-position.js
@@ -0,0 +1,341 @@
+/**
+ * @fileoverview enforce the location of single-line statements
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/nonblock-statement-body-position");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+const EXPECTED_LINEBREAK = { messageId: "expectLinebreak" };
+const UNEXPECTED_LINEBREAK = { messageId: "expectNoLinebreak" };
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("nonblock-statement-body-position", rule, {
+
+    valid: [
+
+        // 'beside' option
+        "if (foo) bar;",
+        "while (foo) bar;",
+        "do foo; while (bar)",
+        "for (;foo;) bar;",
+        "for (foo in bar) baz;",
+        "for (foo of bar) baz;",
+        "if (foo) bar; else baz;",
+        `
+            if (foo) bar(
+                baz
+            );
+        `,
+        {
+            code: "if (foo) bar();",
+            options: ["beside"]
+        },
+        {
+            code: "while (foo) bar();",
+            options: ["beside"]
+        },
+        {
+            code: "do bar(); while (foo)",
+            options: ["beside"]
+        },
+        {
+            code: "for (;foo;) bar();",
+            options: ["beside"]
+        },
+
+        // 'below' option
+        {
+            code: `
+                if (foo)
+                    bar();
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                while (foo)
+                    bar();
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                do
+                    bar();
+                while (foo)
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                for (;foo;)
+                    bar();
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                for (foo in bar)
+                    bar();
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                for (foo of bar)
+                    bar();
+            `,
+            options: ["below"]
+        },
+        {
+            code: `
+                if (foo)
+                    bar();
+                else
+                    baz();
+            `,
+            options: ["below"]
+        },
+
+        // 'any' option
+        {
+            code: "if (foo) bar();",
+            options: ["any"]
+        },
+        {
+            code: `
+                if (foo)
+                    bar();
+            `,
+            options: ["any"]
+        },
+
+        // 'overrides' option
+        {
+            code: "if (foo) bar();",
+            options: ["beside", { overrides: { while: "below" } }]
+        },
+        {
+            code: `
+                while (foo)
+                    bar();
+            `,
+            options: ["beside", { overrides: { while: "below" } }]
+        },
+        {
+            code: `
+                while (foo)
+                    bar();
+            `,
+            options: ["beside", { overrides: { while: "any" } }]
+        },
+        {
+            code: "while (foo) bar();",
+            options: ["beside", { overrides: { while: "any" } }]
+        },
+        {
+            code: "while (foo) bar();",
+            options: ["any", { overrides: { while: "beside" } }]
+        },
+        {
+            code: " ",
+            options: ["any", { overrides: { if: "any", else: "any", for: "any", while: "any", do: "any" } }]
+        },
+
+        // ignore 'else if'
+        `
+            if (foo) {
+            } else if (bar) {
+            }
+        `,
+        {
+            code: `
+                if (foo) {
+                } else if (bar) {
+                }
+            `,
+            options: ["below"]
+        },
+        `
+            if (foo) {
+            } else
+              if (bar) {
+              }
+        `,
+        {
+            code: `
+                if (foo) {
+                } else
+                  if (bar) {
+                  }
+            `,
+            options: ["beside"]
+        }
+    ],
+
+    invalid: [
+
+        // 'beside' option
+        {
+            code: `
+                if (foo)
+                    bar();
+            `,
+            output: `
+                if (foo) bar();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                while (foo)
+                    bar();
+            `,
+            output: `
+                while (foo) bar();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                do
+                    bar();
+                while (foo)
+            `,
+            output: `
+                do bar();
+                while (foo)
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                for (;foo;)
+                    bar();
+            `,
+            output: `
+                for (;foo;) bar();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                for (foo in bar)
+                    baz();
+            `,
+            output: `
+                for (foo in bar) baz();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                for (foo of bar)
+                    baz();
+            `,
+            output: `
+                for (foo of bar) baz();
+            `,
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                if (foo)
+                    bar();
+                else
+                    baz();
+            `,
+            output: `
+                if (foo) bar();
+                else baz();
+            `,
+            errors: [UNEXPECTED_LINEBREAK, UNEXPECTED_LINEBREAK]
+        },
+
+        // 'below' option
+        {
+            code: "if (foo) bar();",
+            output: "if (foo) \nbar();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: "while (foo) bar();",
+            output: "while (foo) \nbar();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: "do bar(); while (foo)",
+            output: "do \nbar(); while (foo)",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: "for (;foo;) bar();",
+            output: "for (;foo;) \nbar();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: "for (foo in bar) baz();",
+            output: "for (foo in bar) \nbaz();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: "for (foo of bar) baz();",
+            output: "for (foo of bar) \nbaz();",
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                if (foo) bar();
+                else baz();
+            `,
+            output: `
+                if (foo) \nbar();
+                else \nbaz();
+            `,
+            options: ["below"],
+            errors: [EXPECTED_LINEBREAK, EXPECTED_LINEBREAK]
+        },
+
+        // overrides
+        {
+            code: "if (foo) bar();",
+            output: "if (foo) \nbar();",
+            options: ["below", { overrides: { while: "beside" } }],
+            errors: [EXPECTED_LINEBREAK]
+        },
+        {
+            code: `
+                while (foo)
+                    bar();
+            `,
+            output: `
+                while (foo) bar();
+            `,
+            options: ["below", { overrides: { while: "beside" } }],
+            errors: [UNEXPECTED_LINEBREAK]
+        },
+        {
+            code: "do bar(); while (foo)",
+            output: "do \nbar(); while (foo)",
+            options: ["any", { overrides: { do: "below" } }],
+            errors: [EXPECTED_LINEBREAK]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/object-curly-newline.js b/eslint/tests/lib/rules/object-curly-newline.js
new file mode 100644
index 0000000..ad3b452
--- /dev/null
+++ b/eslint/tests/lib/rules/object-curly-newline.js
@@ -0,0 +1,1750 @@
+/**
+ * @fileoverview Tests for object-curly-newline rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const resolvePath = require("path").resolve,
+    rule = require("../../../lib/rules/object-curly-newline"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+
+ruleTester.run("object-curly-newline", rule, {
+    valid: [
+
+        // default ------------------------------------------------------------
+        [
+            "var a = {",
+            "};"
+        ].join("\n"),
+
+        [
+            "var a = {",
+            "   foo",
+            "};"
+        ].join("\n"),
+
+        "var a = { foo }",
+
+        // "always" ------------------------------------------------------------
+        {
+            code: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            options: ["always"]
+        },
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            options: ["always"]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: ["always"]
+        },
+        {
+            code: [
+                "var d = {",
+                "    a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: ["always"]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function foo() {",
+                "        dosomething();",
+                "    }",
+                "};"
+            ].join("\n"),
+            options: ["always"]
+        },
+        {
+            code: [
+                "function foo({",
+                " a,",
+                " b",
+                "} : MyType) {}"
+            ].join("\n"),
+            options: ["always"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-multiline")
+        },
+        {
+            code: [
+                "function foo({",
+                " a,",
+                " b",
+                "} : { a : string, b : string }) {}"
+            ].join("\n"),
+            options: ["always"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-multiline-type-literal")
+        },
+
+        // "never" -------------------------------------------------------------
+        {
+            code: [
+                "var a = {};"
+            ].join("\n"),
+            options: ["never"]
+        },
+        {
+            code: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: ["never"]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: ["never"]
+        },
+        {
+            code: [
+                "var d = {a: 1,",
+                "    b: 2};"
+            ].join("\n"),
+            options: ["never"]
+        },
+        {
+            code: [
+                "var e = {a: function foo() {",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            options: ["never"]
+        },
+        {
+            code: "function foo({ a, b } : MyType) {}",
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-singleline")
+        },
+        {
+            code: "function foo({ a, b } : { a : string, b : string }) {}",
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-singleline-type-literal")
+        },
+
+        // "multiline" ---------------------------------------------------------
+        {
+            code: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var d = {",
+                "    a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function foo() {",
+                "        dosomething();",
+                "    }",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var obj = {",
+                "    // comment",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+        {
+            code: [
+                "var obj = { // comment",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }]
+        },
+
+        // "minProperties" ----------------------------------------------------------
+        {
+            code: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }]
+        },
+        {
+            code: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }]
+        },
+        {
+            code: [
+                "var d = {",
+                "    a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }]
+        },
+        {
+            code: [
+                "var e = {a: function foo() {",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }]
+        },
+
+        // "multiline" and "minProperties" ------------------------------------------
+        {
+            code: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "var d = {",
+                "    a: 1, ",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function foo() {",
+                "        dosomething();",
+                "    }",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }]
+        },
+
+        // "consistent" ------------------------------------------
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+
+            options: [{ multiline: true, consistent: true }]
+        },
+        {
+            code: [
+                "var e = {a: function() { dosomething();}};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function() { dosomething();}",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }]
+        },
+        {
+            code: [
+                "let {} = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {a} = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {",
+                "} = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {",
+                "    a",
+                "} = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {a, b} = {a: 1, b: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {",
+                "    a, b",
+                "} = {a: 1, b: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {k = function() {dosomething();}} = obj;"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {",
+                "    k = function() {",
+                "        dosomething();",
+                "    }",
+                "} = obj;"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "var c = {a: 1,",
+                "b: 2};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }]
+        },
+        {
+            code: [
+                "let {a,",
+                "b} = {a: 1, b: 1};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // "consistent" and "minProperties" ------------------------------------------
+        {
+            code: [
+                "var c = { a: 1 };"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "var c = {",
+                "a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }]
+        },
+        {
+            code: [
+                "let {a} = {",
+                "a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "let {",
+                "a",
+                "} = {",
+                "a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // "ObjectExpression" and "ObjectPattern" ---------------------------------------------
+        {
+            code: [
+                "let {a, b} = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ ObjectExpression: "always", ObjectPattern: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // "ImportDeclaration" ---------------------------------------------
+        {
+            code: [
+                "import {",
+                "    a,",
+                " b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: "always" }]
+        },
+        {
+            code: [
+                "import {a as a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: "never" }]
+        },
+        {
+            code: [
+                "import { a, } from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { multiline: true } }]
+        },
+        {
+            code: [
+                "import {",
+                "a, ",
+                "b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { multiline: true } }]
+        },
+        {
+            code: [
+                "import {",
+                " a,",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { consistent: true } }]
+        },
+        {
+            code: [
+                "import { a } from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { consistent: true } }]
+        },
+        {
+            code: [
+                "import {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { minProperties: 2 } }]
+        },
+        {
+            code: [
+                "import {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { minProperties: 3 } }]
+        },
+        {
+            code: "import DefaultExport, {a} from 'module';",
+            options: [{ ImportDeclaration: { minProperties: 2 } }]
+        },
+
+        // "ExportDeclaration" ---------------------------------------------
+        {
+            code: [
+                "var a = 0, b = 0;",
+                "export {a,",
+                "b};"
+            ].join("\n"),
+            options: [{ ExportDeclaration: "never" }]
+        },
+        {
+            code: [
+                "var a = 0, b = 0;",
+                "export {",
+                "a as a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: "always" }]
+        },
+        {
+            code: [
+                "export { a } from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { multiline: true } }]
+        },
+        {
+            code: [
+                "export {",
+                "a, ",
+                "b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { multiline: true } }]
+        },
+        {
+            code: [
+                "export {a, ",
+                "b} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { consistent: true } }]
+        },
+        {
+            code: [
+                "export {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { minProperties: 2 } }]
+        },
+        {
+            code: [
+                "export {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { minProperties: 3 } }]
+        }
+    ],
+    invalid: [
+
+        // default ------------------------------------------------------------
+        {
+            code: [
+                "var a = { a",
+                "};"
+            ].join("\n"),
+            output: "var a = { a};",
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "always" ------------------------------------------------------------
+        {
+            code: [
+                "var a = {};"
+            ].join("\n"),
+            output: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            options: ["always"],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 10, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            output: [
+                "var b = {",
+                "a: 1",
+                "};"
+            ].join("\n"),
+            options: ["always"],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 14, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: ["always"],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 20, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {a: 1,",
+                "    b: 2};"
+            ].join("\n"),
+            output: [
+                "var d = {",
+                "a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: ["always"],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 9, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: function foo() {",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: function foo() {",
+                "    dosomething();",
+                "}",
+                "};"
+            ].join("\n"),
+            options: ["always"],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: "function foo({ a, b } : MyType) {}",
+            output: [
+                "function foo({",
+                " a, b ",
+                "} : MyType) {}"
+            ].join("\n"),
+            options: ["always"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-singleline"),
+            errors: [
+                { line: 1, column: 14, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 21, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: "function foo({ a, b } : { a : string, b : string }) {}",
+            output: [
+                "function foo({",
+                " a, b ",
+                "} : { a : string, b : string }) {}"
+            ].join("\n"),
+            options: ["always"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-singleline-type-literal"),
+            errors: [
+                { line: 1, column: 14, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 21, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "never" ------------------------------------------------------------
+        {
+            code: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            output: [
+                "var a = {};"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {",
+                "    a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "var d = {a: 1,",
+                "    b: 2};"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 4, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function foo() {",
+                "        dosomething();",
+                "    }",
+                "};"
+            ].join("\n"),
+            output: [
+                "var e = {a: function foo() {",
+                "        dosomething();",
+                "    }};"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 5, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "function foo({",
+                " a,",
+                " b",
+                "} : MyType) {}"
+            ].join("\n"),
+            output: [
+                "function foo({a,",
+                " b} : MyType) {}"
+            ].join("\n"),
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-multiline"),
+            errors: [
+                { line: 1, column: 14, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 4, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "function foo({",
+                " a,",
+                " b",
+                "} : { a : string, b : string }) {}"
+            ].join("\n"),
+            output: [
+                "function foo({a,",
+                " b} : { a : string, b : string }) {}"
+            ].join("\n"),
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-newline/flow-stub-parser-multiline-type-literal"),
+            errors: [
+                { line: 1, column: 14, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 4, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "multiline" ---------------------------------------------------------
+        {
+            code: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            output: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var a = {",
+                " /* comment */ ",
+                "};"
+            ].join("\n"),
+            output: null,
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var a = { // comment",
+                "};"
+            ].join("\n"),
+            output: null,
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "   a: 1 // comment",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1 // comment",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {",
+                "    a: 1, b: 2 // comment",
+                "};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1, b: 2 // comment",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {a: 1,",
+                "    b: 2};"
+            ].join("\n"),
+            output: [
+                "var d = {",
+                "a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 9, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {a: 1, // comment",
+                "    b: 2};"
+            ].join("\n"),
+            output: [
+                "var d = {",
+                "a: 1, // comment",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 9, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: function foo() {",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: function foo() {",
+                "    dosomething();",
+                "}",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: function foo() { // comment",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: function foo() { // comment",
+                "    dosomething();",
+                "}",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: 1, /* comment */",
+                "    b: 2, // another comment",
+                "};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: 1, /* comment */",
+                "    b: 2, // another comment",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "var f = { /* comment */ a:",
+                "2",
+                "};"
+            ].join("\n"),
+            output: null,
+            options: [{ multiline: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "var f = {",
+                "/* comment */",
+                "a: 1};"
+            ].join("\n"),
+            output: [
+                "var f = {",
+                "/* comment */",
+                "a: 1",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true }],
+            errors: [
+                { line: 3, column: 5, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "minProperties" ----------------------------------------------------------
+        {
+            code: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            output: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 20, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {a: 1,",
+                "    b: 2};"
+            ].join("\n"),
+            output: [
+                "var d = {",
+                "a: 1,",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 9, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {",
+                "    a: function foo() {",
+                "        dosomething();",
+                "    }",
+                "};"
+            ].join("\n"),
+            output: [
+                "var e = {a: function foo() {",
+                "        dosomething();",
+                "    }};"
+            ].join("\n"),
+            options: [{ minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 5, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "multiline" and "minProperties" ------------------------------------------
+        {
+            code: [
+                "var a = {",
+                "};"
+            ].join("\n"),
+            output: [
+                "var a = {};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "    a: 1",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 20, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var d = {a: 1, ",
+                "    b: 2};"
+            ].join("\n"),
+            output: [
+                "var d = {",
+                "a: 1, ",
+                "    b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 9, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: function foo() {",
+                "    dosomething();",
+                "}};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: function foo() {",
+                "    dosomething();",
+                "}",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "consistent" ------------------------------------------
+        {
+            code: [
+                "var b = {a: 1",
+                "};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var b = {",
+                "a: 1};"
+            ].join("\n"),
+            output: [
+                "var b = {a: 1};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {",
+                "a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1,",
+                "b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {",
+                "a: 1,",
+                "b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 5, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var e = {a: function() {",
+                "dosomething();",
+                "}};"
+            ].join("\n"),
+            output: [
+                "var e = {",
+                "a: function() {",
+                "dosomething();",
+                "}",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {a",
+                "} = {a: 1}"
+            ].join("\n"),
+            output: [
+                "let {a} = {a: 1}"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {",
+                "a} = {a: 1}"
+            ].join("\n"),
+            output: [
+                "let {a} = {a: 1}"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {a, b",
+                "} = {a: 1, b: 2}"
+            ].join("\n"),
+            output: [
+                "let {a, b} = {a: 1, b: 2}"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {",
+                "a, b} = {a: 1, b: 2}"
+            ].join("\n"),
+            output: [
+                "let {a, b} = {a: 1, b: 2}"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {a,",
+                "b} = {a: 1, b: 2}"
+            ].join("\n"),
+            output: [
+                "let {",
+                "a,",
+                "b",
+                "} = {a: 1, b: 2}"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {e = function() {",
+                "dosomething();",
+                "}} = a;"
+            ].join("\n"),
+            output: [
+                "let {",
+                "e = function() {",
+                "dosomething();",
+                "}",
+                "} = a;"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {",
+                "a: 1,",
+                "b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1,",
+                "b: 2};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }],
+            errors: [
+                { line: 1, column: 9, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "var c = {a: 1,",
+                "b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "var c = {a: 1,",
+                "b: 2};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }],
+            errors: [
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {",
+                "a,",
+                "b} = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "let {a,",
+                "b} = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "unexpectedLinebreakAfterOpeningBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {a,",
+                "b",
+                "} = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "let {a,",
+                "b} = {a: 1, b: 2};"
+            ].join("\n"),
+            options: [{ multiline: false, consistent: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "consistent" and "minProperties" ------------------------------------------
+        {
+            code: [
+                "var c = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "var c = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }],
+            errors: [
+                { line: 1, column: 9, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 20, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "let {a, b} = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            output: [
+                "let {",
+                "a, b",
+                "} = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ multiline: true, consistent: true, minProperties: 2 }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 10, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "ObjectExpression" and "ObjectPattern" ---------------------------------------------
+        {
+            code: [
+                "let {",
+                "    a, b",
+                "} = {a: 1, b: 2};"
+            ].join("\n"),
+            output: [
+                "let {a, b} = {",
+                "a: 1, b: 2",
+                "};"
+            ].join("\n"),
+            options: [{ ObjectExpression: "always", ObjectPattern: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { line: 1, column: 5, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" },
+                { line: 3, column: 5, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 16, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "ImportDeclaration" ---------------------------------------------
+        {
+            code: [
+                "import {",
+                "    a,",
+                " b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {a,",
+                " b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: "never" }],
+            errors: [
+                { line: 1, column: 8, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 4, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a, b} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: "always" }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 13, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a as c, b} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {",
+                "a as c, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: "always" }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 18, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a, ",
+                "b} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {",
+                "a, ",
+                "b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { multiline: true } }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a, ",
+                "b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {a, ",
+                "b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { consistent: true } }],
+            errors: [
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a, b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { consistent: true } }],
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {a, b} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { minProperties: 2 } }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 13, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "import {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "import {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { minProperties: 3 } }],
+            errors: [
+                { line: 1, column: 8, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: "import DefaultExport, {a, b} from 'module';",
+            output: [
+                "import DefaultExport, {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ImportDeclaration: { minProperties: 2 } }],
+            errors: [
+                { line: 1, column: 23, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 28, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+
+        // "ExportDeclaration" ---------------------------------------------
+        {
+            code: [
+                "var a = 0; var b = 0;",
+                "export {",
+                "    a,",
+                "    b",
+                "};"
+            ].join("\n"),
+            output: [
+                "var a = 0; var b = 0;",
+                "export {a,",
+                "    b};"
+            ].join("\n"),
+            options: [{ ExportDeclaration: "never" }],
+            errors: [
+                { line: 2, column: 8, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 5, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {a as a, b} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {",
+                "a as a, b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: "always" }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 18, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {a, ",
+                "b} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {",
+                "a, ",
+                "b",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { multiline: true } }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 2, column: 2, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {a, ",
+                "b,",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {a, ",
+                "b,} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { consistent: true } }],
+            errors: [
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {a, b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { consistent: true } }],
+            errors: [
+                { line: 2, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {a, b,} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {",
+                "a, b,",
+                "} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { minProperties: 2 } }],
+            errors: [
+                { line: 1, column: 8, messageId: "expectedLinebreakAfterOpeningBrace" },
+                { line: 1, column: 14, messageId: "expectedLinebreakBeforeClosingBrace" }
+            ]
+        },
+        {
+            code: [
+                "export {",
+                "a, b",
+                "} from 'module';"
+            ].join("\n"),
+            output: [
+                "export {a, b} from 'module';"
+            ].join("\n"),
+            options: [{ ExportDeclaration: { minProperties: 3 } }],
+            errors: [
+                { line: 1, column: 8, messageId: "unexpectedLinebreakAfterOpeningBrace" },
+                { line: 3, column: 1, messageId: "unexpectedLinebreakBeforeClosingBrace" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/object-curly-spacing.js b/eslint/tests/lib/rules/object-curly-spacing.js
new file mode 100644
index 0000000..f603832
--- /dev/null
+++ b/eslint/tests/lib/rules/object-curly-spacing.js
@@ -0,0 +1,1411 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of object literals.
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const resolvePath = require("path").resolve,
+    rule = require("../../../lib/rules/object-curly-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("object-curly-spacing", rule, {
+
+    valid: [
+
+        // always - object literals
+        { code: "var obj = { foo: bar, baz: qux };", options: ["always"] },
+        { code: "var obj = { foo: { bar: quxx }, baz: qux };", options: ["always"] },
+        { code: "var obj = {\nfoo: bar,\nbaz: qux\n};", options: ["always"] },
+        { code: "var obj = { /**/foo:bar/**/ };", options: ["always"] },
+        { code: "var obj = { //\nfoo:bar };", options: ["always"] },
+
+        // always - destructuring
+        { code: "var { x } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { x, y } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { x,y } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\nx,y } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\nx,y\n} = z", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { /**/x/**/ } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { //\nx } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { x = 10, y } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { x: { z }, y } = y", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\ny,\n} = x", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { y, } = x", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { y: x } = x", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        // always - import / export
+        { code: "import door from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import * as door from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { door } from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {\ndoor } from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { /**/door/**/ } from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { //\ndoor } from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { door } from 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { house, mouse } from 'caravan'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import house, { mouse } from 'caravan'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import door, { house, mouse } from 'caravan'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var door = 0;export { door }", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import 'room'", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { bar as x } from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { x, } from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {\nx,\n} from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { x, } from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {\nx,\n} from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { /**/x/**/ } from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { //\nx } from 'foo';", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var x = 1;\nexport { /**/x/**/ };", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var x = 1;\nexport { //\nx };", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // always - empty object
+        { code: "var foo = {};", options: ["always"] },
+
+        // always - objectsInObjects
+        { code: "var obj = { 'foo': { 'bar': 1, 'baz': 2 }};", options: ["always", { objectsInObjects: false }] },
+        { code: "var a = { noop: function () {} };", options: ["always", { objectsInObjects: false }] },
+        { code: "var { y: { z }} = x", options: ["always", { objectsInObjects: false }], parserOptions: { ecmaVersion: 6 } },
+
+        // always - arraysInObjects
+        { code: "var obj = { 'foo': [ 1, 2 ]};", options: ["always", { arraysInObjects: false }] },
+        { code: "var a = { thingInList: list[0] };", options: ["always", { arraysInObjects: false }] },
+
+        // always - arraysInObjects, objectsInObjects
+        { code: "var obj = { 'qux': [ 1, 2 ], 'foo': { 'bar': 1, 'baz': 2 }};", options: ["always", { arraysInObjects: false, objectsInObjects: false }] },
+
+        // always - arraysInObjects, objectsInObjects (reverse)
+        { code: "var obj = { 'foo': { 'bar': 1, 'baz': 2 }, 'qux': [ 1, 2 ]};", options: ["always", { arraysInObjects: false, objectsInObjects: false }] },
+
+        // never
+        { code: "var obj = {foo: bar,\nbaz: qux\n};", options: ["never"] },
+        { code: "var obj = {\nfoo: bar,\nbaz: qux};", options: ["never"] },
+
+        // never - object literals
+        { code: "var obj = {foo: bar, baz: qux};", options: ["never"] },
+        { code: "var obj = {foo: {bar: quxx}, baz: qux};", options: ["never"] },
+        { code: "var obj = {foo: {\nbar: quxx}, baz: qux\n};", options: ["never"] },
+        { code: "var obj = {foo: {\nbar: quxx\n}, baz: qux};", options: ["never"] },
+        { code: "var obj = {\nfoo: bar,\nbaz: qux\n};", options: ["never"] },
+        { code: "var obj = {foo: bar, baz: qux /* */};", options: ["never"] },
+        { code: "var obj = {/* */ foo: bar, baz: qux};", options: ["never"] },
+        { code: "var obj = {//\n foo: bar};", options: ["never"] },
+        { code: "var obj = { // line comment exception\n foo: bar};", options: ["never"] },
+
+        // never - destructuring
+        { code: "var {x} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x, y} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x,y} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\nx,y\n} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x = 10} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x = 10, y} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {x: {z}, y} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\nx: {z\n}, y} = y", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {\ny,\n} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {y,} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {y:x} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {/* */ y} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {y /* */} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {//\n y} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var { // line comment exception\n y} = x", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // never - import / export
+        { code: "import door from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import * as door from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {/* */ door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {/* */ door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {door /* */} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {door /* */} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {//\n door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {//\n door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var door = foo;\nexport {//\n door}", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { // line comment exception\n door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { // line comment exception\n door} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var door = foo; export { // line comment exception\n door}", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {\ndoor} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {\ndoor\n} from 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {house,mouse} from 'caravan'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {house, mouse} from 'caravan'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var door = 0;export {door}", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import 'room'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import x, {bar} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import x, {bar, baz} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {bar as y} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {x,} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import {\nx,\n} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {x,} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {\nx,\n} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+
+        // never - empty object
+        { code: "var foo = {};", options: ["never"] },
+
+        // never - objectsInObjects
+        { code: "var obj = {'foo': {'bar': 1, 'baz': 2} };", options: ["never", { objectsInObjects: true }] },
+
+        /*
+         * https://github.com/eslint/eslint/issues/3658
+         * Empty cases.
+         */
+        { code: "var {} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [] = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a: {}} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a: []} = foo;", parserOptions: { ecmaVersion: 6 } },
+        { code: "import {} from 'foo';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {} from 'foo';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {};", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var {} = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var [] = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a: {}} = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a: []} = foo;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "import {} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {} from 'foo';", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export {};", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // https://github.com/eslint/eslint/issues/6940
+        {
+            code: "function foo ({a, b}: Props) {\n}",
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-spacing/flow-stub-parser-never-valid")
+        }
+    ],
+
+    invalid: [
+        {
+            code: "import {bar} from 'foo.js';",
+            output: "import { bar } from 'foo.js';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "import { bar as y} from 'foo.js';",
+            output: "import { bar as y } from 'foo.js';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 18,
+                    endLine: 1,
+                    endColumn: 19
+                }
+            ]
+        },
+        {
+            code: "import {bar as y} from 'foo.js';",
+            output: "import { bar as y } from 'foo.js';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 17,
+                    endLine: 1,
+                    endColumn: 18
+                }
+            ]
+        },
+        {
+            code: "import { bar} from 'foo.js';",
+            output: "import { bar } from 'foo.js';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                }
+            ]
+        },
+        {
+            code: "import x, { bar} from 'foo';",
+            output: "import x, { bar } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+
+            ]
+        },
+        {
+            code: "import x, { bar/* */} from 'foo';",
+            output: "import x, { bar/* */ } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 21,
+                    endLine: 1,
+                    endColumn: 22
+                }
+            ]
+        },
+        {
+            code: "import x, {/* */bar } from 'foo';",
+            output: "import x, { /* */bar } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "import x, {//\n bar } from 'foo';",
+            output: "import x, { //\n bar } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "import x, { bar, baz} from 'foo';",
+            output: "import x, { bar, baz } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 21,
+                    endLine: 1,
+                    endColumn: 22
+                }
+
+            ]
+        },
+        {
+            code: "import x, {bar} from 'foo';",
+            output: "import x, { bar } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                }
+
+            ]
+        },
+        {
+            code: "import x, {bar, baz} from 'foo';",
+            output: "import x, { bar, baz } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 20,
+                    endLine: 1,
+                    endColumn: 21
+                }
+            ]
+        },
+        {
+            code: "import {bar,} from 'foo';",
+            output: "import { bar, } from 'foo';",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 13,
+                    endLine: 1,
+                    endColumn: 14
+                }
+
+            ]
+        },
+        {
+            code: "import { bar, } from 'foo';",
+            output: "import {bar,} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 14,
+                    endLine: 1,
+                    endColumn: 15
+                }
+            ]
+        },
+        {
+            code: "import { /* */ bar, /* */ } from 'foo';",
+            output: "import {/* */ bar, /* */} from 'foo';",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ImportDeclaration",
+                    line: 1,
+                    column: 26,
+                    endLine: 1,
+                    endColumn: 27
+                }
+            ]
+        },
+        {
+            code: "var bar = 0;\nexport {bar};",
+            output: "var bar = 0;\nexport { bar };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "var bar = 0;\nexport {/* */ bar /* */};",
+            output: "var bar = 0;\nexport { /* */ bar /* */ };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 24,
+                    endLine: 2,
+                    endColumn: 25
+                }
+            ]
+        },
+        {
+            code: "var bar = 0;\nexport {//\n bar };",
+            output: "var bar = 0;\nexport { //\n bar };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 8,
+                    endLine: 2,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "var bar = 0;\nexport { /* */ bar /* */ };",
+            output: "var bar = 0;\nexport {/* */ bar /* */};",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 9,
+                    endLine: 2,
+                    endColumn: 10
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ExportNamedDeclaration",
+                    line: 2,
+                    column: 25,
+                    endLine: 2,
+                    endColumn: 26
+                }
+            ]
+        },
+
+        // always - arraysInObjects
+        {
+            code: "var obj = { 'foo': [ 1, 2 ] };",
+            output: "var obj = { 'foo': [ 1, 2 ]};",
+            options: ["always", { arraysInObjects: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 28,
+                    endLine: 1,
+                    endColumn: 29
+                }
+            ]
+        },
+        {
+            code: "var obj = { 'foo': [ 1, 2 ] , 'bar': [ 'baz', 'qux' ] };",
+            output: "var obj = { 'foo': [ 1, 2 ] , 'bar': [ 'baz', 'qux' ]};",
+            options: ["always", { arraysInObjects: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 54,
+                    endLine: 1,
+                    endColumn: 55
+                }
+            ]
+        },
+
+        // always-objectsInObjects
+        {
+            code: "var obj = { 'foo': { 'bar': 1, 'baz': 2 } };",
+            output: "var obj = { 'foo': { 'bar': 1, 'baz': 2 }};",
+            options: ["always", { objectsInObjects: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 42,
+                    endLine: 1,
+                    endColumn: 43
+                }
+            ]
+        },
+        {
+            code: "var obj = { 'foo': [ 1, 2 ] , 'bar': { 'baz': 1, 'qux': 2 } };",
+            output: "var obj = { 'foo': [ 1, 2 ] , 'bar': { 'baz': 1, 'qux': 2 }};",
+            options: ["always", { objectsInObjects: false }],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 60,
+                    endLine: 1,
+                    endColumn: 61
+                }
+            ]
+        },
+
+        // always-destructuring trailing comma
+        {
+            code: "var { a,} = x;",
+            output: "var { a, } = x;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "var {a, } = x;",
+            output: "var {a,} = x;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 8,
+                    endLine: 1,
+                    endColumn: 9
+                }
+            ]
+        },
+        {
+            code: "var {a:b } = x;",
+            output: "var {a:b} = x;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 9,
+                    endLine: 1,
+                    endColumn: 10
+                }
+            ]
+        },
+        {
+            code: "var { a:b } = x;",
+            output: "var {a:b} = x;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "var {  a:b  } = x;",
+            output: "var {a:b} = x;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 8
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var {   a:b    } = x;",
+            output: "var {a:b} = x;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 9
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 16
+                }
+            ]
+        },
+
+        // never-objectsInObjects
+        {
+            code: "var obj = {'foo': {'bar': 1, 'baz': 2}};",
+            output: "var obj = {'foo': {'bar': 1, 'baz': 2} };",
+            options: ["never", { objectsInObjects: true }],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 39,
+                    endLine: 1,
+                    endColumn: 40
+                }
+            ]
+        },
+        {
+            code: "var obj = {'foo': [1, 2] , 'bar': {'baz': 1, 'qux': 2}};",
+            output: "var obj = {'foo': [1, 2] , 'bar': {'baz': 1, 'qux': 2} };",
+            options: ["never", { objectsInObjects: true }],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 55,
+                    endLine: 1,
+                    endColumn: 56
+                }
+            ]
+        },
+
+        // always & never
+        {
+            code: "var obj = {foo: bar, baz: qux};",
+            output: "var obj = { foo: bar, baz: qux };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo: bar, baz: qux };",
+            output: "var obj = { foo: bar, baz: qux };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var obj = {/* */foo: bar, baz: qux };",
+            output: "var obj = { /* */foo: bar, baz: qux };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var obj = {//\n foo: bar };",
+            output: "var obj = { //\n foo: bar };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo: bar, baz: qux};",
+            output: "var obj = { foo: bar, baz: qux };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 31,
+                    endLine: 1,
+                    endColumn: 32
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo: bar, baz: qux/* */};",
+            output: "var obj = { foo: bar, baz: qux/* */ };",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 36,
+                    endLine: 1,
+                    endColumn: 37
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo: bar, baz: qux };",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 31,
+                    endLine: 1,
+                    endColumn: 32
+                }
+            ]
+        },
+        {
+            code: "var obj = {  foo: bar, baz: qux };",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 14
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 32,
+                    endLine: 1,
+                    endColumn: 33
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo: bar, baz: qux };",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 31
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo: bar, baz: qux  };",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 30,
+                    endLine: 1,
+                    endColumn: 32
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo: bar, baz: qux /* */ };",
+            output: "var obj = {foo: bar, baz: qux /* */};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 36,
+                    endLine: 1,
+                    endColumn: 37
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo: bar, baz: qux};",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {  foo: bar, baz: qux};",
+            output: "var obj = {foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 14
+                }
+            ]
+        },
+        {
+            code: "var obj = { /* */ foo: bar, baz: qux};",
+            output: "var obj = {/* */ foo: bar, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = { // line comment exception\n foo: bar };",
+            output: "var obj = { // line comment exception\n foo: bar};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 10,
+                    endLine: 2,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo: { bar: quxx}, baz: qux};",
+            output: "var obj = {foo: {bar: quxx}, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 12,
+                    endLine: 1,
+                    endColumn: 13
+                },
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 19,
+                    endLine: 1,
+                    endColumn: 20
+                }
+            ]
+        },
+        {
+            code: "var obj = {foo: {bar: quxx }, baz: qux };",
+            output: "var obj = {foo: {bar: quxx}, baz: qux};",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 27,
+                    endLine: 1,
+                    endColumn: 28
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 39,
+                    endLine: 1,
+                    endColumn: 40
+                }
+            ]
+        },
+        {
+            code: "export const thing = {value: 1 };",
+            output: "export const thing = { value: 1 };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 22,
+                    endLine: 1,
+                    endColumn: 23
+                }
+            ]
+        },
+
+        // destructuring
+        {
+            code: "var {x, y} = y",
+            output: "var { x, y } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                },
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "var { x, y} = y",
+            output: "var { x, y } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var { x, y/* */} = y",
+            output: "var { x, y/* */ } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 16,
+                    endLine: 1,
+                    endColumn: 17
+                }
+            ]
+        },
+        {
+            code: "var {/* */x, y } = y",
+            output: "var { /* */x, y } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                }
+            ]
+        },
+        {
+            code: "var {//\n x } = y",
+            output: "var { //\n x } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                }
+            ]
+        },
+        {
+            code: "var { x, y } = y",
+            output: "var {x, y} = y",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var {x, y } = y",
+            output: "var {x, y} = y",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 10,
+                    endLine: 1,
+                    endColumn: 11
+                }
+            ]
+        },
+        {
+            code: "var {x, y/* */ } = y",
+            output: "var {x, y/* */} = y",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 15,
+                    endLine: 1,
+                    endColumn: 16
+                }
+            ]
+        },
+        {
+            code: "var { /* */x, y} = y",
+            output: "var {/* */x, y} = y",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 6,
+                    endLine: 1,
+                    endColumn: 7
+                }
+            ]
+        },
+        {
+            code: "var { x=10} = y",
+            output: "var { x=10 } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 11,
+                    endLine: 1,
+                    endColumn: 12
+                }
+            ]
+        },
+        {
+            code: "var {x=10 } = y",
+            output: "var { x=10 } = y",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "requireSpaceAfter",
+                    data: { token: "{" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 5,
+                    endLine: 1,
+                    endColumn: 6
+                }
+            ]
+        },
+
+        // never - arraysInObjects
+        {
+            code: "var obj = {'foo': [1, 2]};",
+            output: "var obj = {'foo': [1, 2] };",
+            options: ["never", { arraysInObjects: true }],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 25,
+                    endLine: 1,
+                    endColumn: 26
+                }
+            ]
+        },
+        {
+            code: "var obj = {'foo': [1, 2] , 'bar': ['baz', 'qux']};",
+            output: "var obj = {'foo': [1, 2] , 'bar': ['baz', 'qux'] };",
+            options: ["never", { arraysInObjects: true }],
+            errors: [
+                {
+                    messageId: "requireSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 49,
+                    endLine: 1,
+                    endColumn: 50
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/6940
+        {
+            code: "function foo ({a, b }: Props) {\n}",
+            output: "function foo ({a, b}: Props) {\n}",
+            options: ["never"],
+            parser: resolvePath(__dirname, "../../fixtures/parsers/object-curly-spacing/flow-stub-parser-never-invalid"),
+            errors: [
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { token: "}" },
+                    type: "ObjectPattern",
+                    line: 1,
+                    column: 20,
+                    endLine: 1,
+                    endColumn: 21
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/object-property-newline.js b/eslint/tests/lib/rules/object-property-newline.js
new file mode 100644
index 0000000..132d7a3
--- /dev/null
+++ b/eslint/tests/lib/rules/object-property-newline.js
@@ -0,0 +1,575 @@
+/**
+ * @fileoverview Rule to enforce placing object properties on separate lines.
+ * @author Vitor Balocco
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/object-property-newline"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("object-property-newline", rule, {
+
+    valid: [
+
+        // default-case
+        "var obj = {\nk1: 'val1',\nk2: 'val2',\nk3: 'val3',\nk4: 'val4'\n};",
+        "var obj = {\nk1: 'val1'\n, k2: 'val2'\n, k3: 'val3'\n, k4: 'val4'\n};",
+        "var obj = { k1: 'val1',\nk2: 'val2',\nk3: 'val3',\nk4: 'val4' };",
+        "var obj = { k1: 'val1'\n, k2: 'val2'\n, k3: 'val3'\n, k4: 'val4' };",
+        "var obj = { k1: 'val1' };",
+        "var obj = {\nk1: 'val1'\n};",
+        "var obj = {};",
+        { code: "var obj = {\n[bar]: 'baz',\nbaz\n};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {\nk1: 'val1',\nk2: 'val2',\n...{}\n};", parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = { k1: 'val1',\nk2: 'val2',\n...{} };", parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = { ...{} };", parserOptions: { ecmaVersion: 2018 } },
+        "foo({ k1: 'val1',\nk2: 'val2' });",
+        "foo({\nk1: 'val1',\nk2: 'val2'\n});",
+        { code: "foo({\na,\nb\n});", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({\na,\nb,\n});", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({\nbar() {},\nbaz\n});", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({\n[bar]: 'baz',\nbaz \n})", parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({\nk1: 'val1',\nk2: 'val2',\n...{}\n});", parserOptions: { ecmaVersion: 2018 } },
+        { code: "foo({ k1: 'val1',\nk2: 'val2',\n...{} });", parserOptions: { ecmaVersion: 2018 } },
+        { code: "foo({ ...{} });", parserOptions: { ecmaVersion: 2018 } },
+
+        // allowAllPropertiesOnSameLine: true
+        { code: "var obj = { k1: 'val1', k2: 'val2', k3: 'val3' };", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = {\nk1: 'val1', k2: 'val2', k3: 'val3'\n};", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = { k1: 'val1' };", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = {\nk1: 'val1'\n};", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = {};", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = { 'k1': 'val1', k2: 'val2', ...{} };", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {\n'k1': 'val1', k2: 'val2', ...{}\n};", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 2018 } },
+        { code: "foo({ k1: 'val1', k2: 'val2' });", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "foo({\nk1: 'val1', k2: 'val2'\n});", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "foo({ a, b });", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({ bar() {}, baz });", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({ [bar]: 'baz', baz })", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "foo({ 'k1': 'val1', k2: 'val2', ...{} });", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 2018 } },
+        { code: "foo({\n'k1': 'val1', k2: 'val2', ...{}\n});", options: [{ allowAllPropertiesOnSameLine: true }], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {k1: ['foo', 'bar'], k2: 'val1', k3: 'val2'};", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = {\nk1: ['foo', 'bar'], k2: 'val1', k3: 'val2'\n};", options: [{ allowAllPropertiesOnSameLine: true }] },
+        { code: "var obj = {\nk1: 'val1', k2: {e1: 'foo', e2: 'bar'}, k3: 'val2'\n};", options: [{ allowAllPropertiesOnSameLine: true }] },
+
+        // allowMultiplePropertiesPerLine: true (deprecated)
+        { code: "var obj = { k1: 'val1', k2: 'val2', k3: 'val3' };", options: [{ allowMultiplePropertiesPerLine: true }] }
+    ],
+
+    invalid: [
+
+        // default-case
+        {
+            code: "var obj = { k1: 'val1', k2: 'val2', k3: 'val3' };",
+            output: "var obj = { k1: 'val1',\nk2: 'val2',\nk3: 'val3' };",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 25
+                },
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 37
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1', k2: 'val2'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: 'val2'\n};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1', k2: 'val2',\nk3: 'val3', k4: 'val4'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: 'val2',\nk3: 'val3',\nk4: 'val4'\n};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                },
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {k1: ['foo', 'bar'], k2: 'val1'};",
+            output: "var obj = {k1: ['foo', 'bar'],\nk2: 'val1'};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 32
+                }
+            ]
+        },
+        {
+            code: "var obj = {k1: [\n'foo', 'bar'\n], k2: 'val1'};",
+            output: "var obj = {k1: [\n'foo', 'bar'\n],\nk2: 'val1'};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1', k2: {e1: 'foo', e2: 'bar'}, k3: 'val2'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: {e1: 'foo',\ne2: 'bar'},\nk3: 'val2'\n};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                },
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 29
+                },
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 41
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1',\nk2: {e1: 'foo', e2: 'bar'},\nk3: 'val2'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: {e1: 'foo',\ne2: 'bar'},\nk3: 'val2'\n};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: "var obj = { k1: 'val1',\nk2: [\n'val2a', 'val2b', 'val2c'\n], k3: 'val3' };",
+            output: "var obj = { k1: 'val1',\nk2: [\n'val2a', 'val2b', 'val2c'\n],\nk3: 'val3' };",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 4,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = { k1: 'val1', [\nk2]: 'val2' };",
+            output: "var obj = { k1: 'val1',\n[\nk2]: 'val2' };",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "var obj = { k1: 'val1', ...{} };",
+            output: "var obj = { k1: 'val1',\n...{} };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1', ...{}\n};",
+            output: "var obj = {\nk1: 'val1',\n...{}\n};",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "foo({ k1: 'val1', k2: 'val2' });",
+            output: "foo({ k1: 'val1',\nk2: 'val2' });",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "foo({\nk1: 'val1', k2: 'val2'\n});",
+            output: "foo({\nk1: 'val1',\nk2: 'val2'\n});",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "foo({ a, b });",
+            output: "foo({ a,\nb });",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 10
+                }
+            ]
+        },
+        {
+            code: "foo({\na, b\n});",
+            output: "foo({\na,\nb\n});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "foo({\nbar() {}, baz\n});",
+            output: "foo({\nbar() {},\nbaz\n});",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 11
+                }
+            ]
+        },
+        {
+            code: "foo({\n[bar]: 'baz', baz\n})",
+            output: "foo({\n[bar]: 'baz',\nbaz\n})",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 15
+                }
+            ]
+        },
+        {
+            code: "foo({ k1: 'val1', [\nk2]: 'val2' })",
+            output: "foo({ k1: 'val1',\n[\nk2]: 'val2' })",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "foo({ k1: 'val1', ...{} })",
+            output: "foo({ k1: 'val1',\n...{} })",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "foo({\nk1: 'val1', ...{}\n})",
+            output: "foo({\nk1: 'val1',\n...{}\n})",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {\na: {\nb: 1,\nc: 2\n}, d: 2\n};",
+            output: "var obj = {\na: {\nb: 1,\nc: 2\n},\nd: 2\n};",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 5,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "({ foo: 1 /* comment */, bar: 2 })",
+            output: "({ foo: 1 /* comment */,\nbar: 2 })",
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 26
+                }
+            ]
+        },
+        {
+            code: "({ foo: 1, /* comment */ bar: 2 })",
+            output: null, // not fixed due to comment
+            errors: [
+                {
+                    messageId: "propertiesOnNewline",
+                    type: "ObjectExpression",
+                    line: 1,
+                    column: 26
+                }
+            ]
+        },
+
+        // allowAllPropertiesOnSameLine: true
+        {
+            code: "var obj = {\nk1: 'val1',\nk2: 'val2', k3: 'val3'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: 'val2',\nk3: 'val3'\n};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1:\n'val1', k2: 'val2', k3:\n'val3'\n};",
+            output: "var obj = {\nk1:\n'val1',\nk2: 'val2',\nk3:\n'val3'\n};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 9
+                },
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 21
+                }
+            ]
+        },
+        {
+            code: "var obj = {k1: [\n'foo',\n'bar'\n], k2: 'val1'};",
+            output: "var obj = {k1: [\n'foo',\n'bar'\n],\nk2: 'val1'};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 4,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = {k1: [\n'foo', 'bar'\n], k2: 'val1'};",
+            output: "var obj = {k1: [\n'foo', 'bar'\n],\nk2: 'val1'};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1', k2: {\ne1: 'foo', e2: 'bar'\n}, k3: 'val2'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: {\ne1: 'foo', e2: 'bar'\n},\nk3: 'val2'\n};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 13
+                },
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 4,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = { k1: 'val1',\nk2: [\n'val2a', 'val2b', 'val2c'\n], k3: 'val3' };",
+            output: "var obj = { k1: 'val1',\nk2: [\n'val2a', 'val2b', 'val2c'\n],\nk3: 'val3' };",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 4,
+                    column: 4
+                }
+            ]
+        },
+        {
+            code: "var obj = { [\nk1]: 'val1', k2: 'val2' };",
+            output: "var obj = { [\nk1]: 'val1',\nk2: 'val2' };",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "var obj = {\nk1: 'val1',\nk2: 'val2', ...{}\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: 'val2',\n...{}\n};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var obj = {\n...{},\nk1: 'val1', k2: 'val2'\n};",
+            output: "var obj = {\n...{},\nk1: 'val1',\nk2: 'val2'\n};",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "foo({ [\nk1]: 'val1', k2: 'val2' })",
+            output: "foo({ [\nk1]: 'val1',\nk2: 'val2' })",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 2,
+                    column: 14
+                }
+            ]
+        },
+        {
+            code: "foo({\nk1: 'val1',\nk2: 'val2', ...{}\n})",
+            output: "foo({\nk1: 'val1',\nk2: 'val2',\n...{}\n})",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "foo({\n...{},\nk1: 'val1', k2: 'val2'\n})",
+            output: "foo({\n...{},\nk1: 'val1',\nk2: 'val2'\n})",
+            options: [{ allowAllPropertiesOnSameLine: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        },
+
+        // allowMultiplePropertiesPerLine: true (deprecated)
+        {
+            code: "var obj = {\nk1: 'val1',\nk2: 'val2', k3: 'val3'\n};",
+            output: "var obj = {\nk1: 'val1',\nk2: 'val2',\nk3: 'val3'\n};",
+            options: [{ allowMultiplePropertiesPerLine: true }],
+            errors: [
+                {
+                    messageId: "propertiesOnNewlineAll",
+                    type: "ObjectExpression",
+                    line: 3,
+                    column: 13
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/object-shorthand.js b/eslint/tests/lib/rules/object-shorthand.js
new file mode 100644
index 0000000..b9b8132
--- /dev/null
+++ b/eslint/tests/lib/rules/object-shorthand.js
@@ -0,0 +1,1180 @@
+/**
+ * @fileoverview Tests for concise-object rule
+ * @author Jamund Ferguson <http://www.jamund.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/object-shorthand"),
+    { RuleTester } = require("../../../lib/rule-tester");
+const { unIndent } = require("../_utils");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const PROPERTY_ERROR = { messageId: "expectedPropertyShorthand", type: "Property" };
+const METHOD_ERROR = { messageId: "expectedMethodShorthand", type: "Property" };
+const LONGFORM_PROPERTY_ERROR = { messageId: "expectedPropertyLongform", type: "Property" };
+const LONGFORM_METHOD_ERROR = { messageId: "expectedMethodLongform", type: "Property" };
+const LONGFORM_METHOD_STRING_LITERAL_ERROR = { messageId: "expectedLiteralMethodLongform", type: "Property" };
+const ALL_SHORTHAND_ERROR = { messageId: "expectedAllPropertiesShorthanded", type: "ObjectExpression" };
+const MIXED_SHORTHAND_ERROR = { messageId: "unexpectedMix", type: "ObjectExpression" };
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("object-shorthand", rule, {
+    valid: [
+        "var x = {y() {}}",
+        "var x = {y}",
+        "var x = {a: b}",
+        "var x = {a: 'a'}",
+        "var x = {'a': 'a'}",
+        "var x = {'a': b}",
+        "var x = {y(x) {}}",
+        "var {x,y,z} = x",
+        "var {x: {y}} = z",
+        "var x = {*x() {}}",
+        "var x = {x: y}",
+        "var x = {x: y, y: z}",
+        "var x = {x: y, y: z, z: 'z'}",
+        "var x = {x() {}, y: z, l(){}}",
+        "var x = {x: y, y: z, a: b}",
+        "var x = {x: y, y: z, 'a': b}",
+        "var x = {x: y, y() {}, z: a}",
+        "var x = {[y]: y}",
+        "doSomething({x: y})",
+        "doSomething({'x': y})",
+        "doSomething({x: 'x'})",
+        "doSomething({'x': 'x'})",
+        "doSomething({y() {}})",
+        "doSomething({x: y, y() {}})",
+        "doSomething({y() {}, z: a})",
+        "!{ a: function a(){} };",
+
+        // arrow functions are still alright by default
+        "var x = {y: (x)=>x}",
+        "doSomething({y: (x)=>x})",
+        "var x = {y: (x)=>x, y: a}",
+        "doSomething({x, y: (x)=>x})",
+        "({ foo: x => { return; }})",
+        "({ foo: (x) => { return; }})",
+        "({ foo: () => { return; }})",
+
+        // getters and setters are ok
+        "var x = {get y() {}}",
+        "var x = {set y(z) {}}",
+        "var x = {get y() {}, set y(z) {}}",
+        "doSomething({get y() {}})",
+        "doSomething({set y(z) {}})",
+        "doSomething({get y() {}, set y(z) {}})",
+
+        // object literal computed properties
+        {
+            code: "var x = {[y]: y}",
+            options: ["properties"]
+        },
+        {
+            code: "var x = {['y']: 'y'}",
+            options: ["properties"]
+        },
+        {
+            code: "var x = {['y']: y}",
+            options: ["properties"]
+        },
+
+        // object literal computed methods
+        {
+            code: "var x = {[y]() {}}",
+            options: ["methods"]
+        },
+        {
+            code: "var x = {[y]: function x() {}}",
+            options: ["methods"]
+        },
+        {
+            code: "var x = {[y]: y}",
+            options: ["methods"]
+        },
+
+        // options
+        {
+            code: "var x = {y() {}}",
+            options: ["methods"]
+        },
+        {
+            code: "var x = {x, y() {}, a:b}",
+            options: ["methods"]
+        },
+        {
+            code: "var x = {y}",
+            options: ["properties"]
+        },
+        {
+            code: "var x = {y: {b}}",
+            options: ["properties"]
+        },
+        {
+            code: "var x = {a: n, c: d, f: g}",
+            options: ["never"]
+        },
+        {
+            code: "var x = {a: function(){}, b: {c: d}}",
+            options: ["never"]
+        },
+
+        // ignoreConstructors
+        {
+            code: "var x = {ConstructorFunction: function(){}, a: b}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {_ConstructorFunction: function(){}, a: b}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {$ConstructorFunction: function(){}, a: b}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {__ConstructorFunction: function(){}, a: b}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {_0ConstructorFunction: function(){}, a: b}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {notConstructorFunction(){}, b: c}",
+            options: ["always", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {ConstructorFunction: function(){}, a: b}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {_ConstructorFunction: function(){}, a: b}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {$ConstructorFunction: function(){}, a: b}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {__ConstructorFunction: function(){}, a: b}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {_0ConstructorFunction: function(){}, a: b}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {notConstructorFunction(){}, b: c}",
+            options: ["methods", { ignoreConstructors: true }]
+        },
+        {
+            code: "var x = {ConstructorFunction: function(){}, a: b}",
+            options: ["never"]
+        },
+        {
+            code: "var x = {notConstructorFunction: function(){}, b: c}",
+            options: ["never"]
+        },
+
+        // avoidQuotes
+        {
+            code: "var x = {'a': function(){}}",
+            options: ["always", { avoidQuotes: true }]
+        },
+        {
+            code: "var x = {['a']: function(){}}",
+            options: ["methods", { avoidQuotes: true }]
+        },
+        {
+            code: "var x = {'y': y}",
+            options: ["properties", { avoidQuotes: true }]
+        },
+
+        // ignore object shorthand
+        {
+            code: "let {a, b} = o;",
+            options: ["never"]
+        },
+        {
+            code: "var x = {foo: foo, bar: bar, ...baz}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // consistent
+        {
+            code: "var x = {a: a, b: b}",
+            options: ["consistent"]
+        },
+        {
+            code: "var x = {a: b, c: d, f: g}",
+            options: ["consistent"]
+        },
+        {
+            code: "var x = {a, b}",
+            options: ["consistent"]
+        },
+        {
+            code: "var x = {a, b, get test() { return 1; }}",
+            options: ["consistent"]
+        },
+        {
+            code: "var x = {...bar}",
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var x = {foo, bar, ...baz}",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var x = {bar: baz, ...qux}",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var x = {...foo, bar: bar, baz: baz}",
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // consistent-as-needed
+        {
+            code: "var x = {a, b}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {a, b, get test(){return 1;}}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {0: 'foo'}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {'key': 'baz'}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {foo: 'foo'}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {[foo]: foo}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {foo: function foo() {}}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {[foo]: 'foo'}",
+            options: ["consistent-as-needed"]
+        },
+        {
+            code: "var x = {bar, ...baz}",
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var x = {bar: baz, ...qux}",
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "var x = {...foo, bar, baz}",
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // avoidExplicitReturnArrows
+        {
+            code: "({ x: () => foo })",
+            options: ["always", { avoidExplicitReturnArrows: false }]
+        },
+        {
+            code: "({ x: () => { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: false }]
+        },
+        {
+            code: "({ x: () => foo })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ x() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ x() { return; }, y() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ x() { return; }, y: () => foo })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ x: () => foo, y() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ x: () => { this; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "function foo() { ({ x: () => { arguments; } }) }",
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                class Foo extends Bar {
+                  constructor() {
+                      var foo = { x: () => { super(); } };
+                  }
+              }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                class Foo extends Bar {
+                    baz() {
+                        var foo = { x: () => { super.baz(); } };
+                    }
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = { x: () => { new.target; } };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            var y = () => { this; };
+                        }
+                    };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            var y = () => { this; };
+                            function foo() { this; }
+                        }
+                    };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            return { y: () => { this; } };
+                        }
+                    };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }]
+        },
+        {
+            code: "({ [foo.bar]: () => {} })",
+            options: ["always", { ignoreConstructors: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "var x = {x: x}",
+            output: "var x = {x}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {'x': x}",
+            output: "var x = {x}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y: y, x: x}",
+            output: "var x = {y, x}",
+            errors: [PROPERTY_ERROR, PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y: z, x: x, a: b}",
+            output: "var x = {y: z, x, a: b}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y: z,\n x: x,\n a: b\n // comment \n}",
+            output: "var x = {y: z,\n x,\n a: b\n // comment \n}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y: z,\n a: b,\n // comment \nf: function() {}}",
+            output: "var x = {y: z,\n a: b,\n // comment \nf() {}}",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {a: b,\n/* comment */\ny: y\n }",
+            output: "var x = {a: b,\n/* comment */\ny\n }",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {\n  a: b,\n  /* comment */\n  y: y\n}",
+            output: "var x = {\n  a: b,\n  /* comment */\n  y\n}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {\n  f: function() {\n    /* comment */\n    a(b);\n    }\n  }",
+            output: "var x = {\n  f() {\n    /* comment */\n    a(b);\n    }\n  }",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {\n  [f]: function() {\n    /* comment */\n    a(b);\n    }\n  }",
+            output: "var x = {\n  [f]() {\n    /* comment */\n    a(b);\n    }\n  }",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {\n  f: function*() {\n    /* comment */\n    a(b);\n    }\n  }",
+            output: "var x = {\n  *f() {\n    /* comment */\n    a(b);\n    }\n  }",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {\n  f: /* comment */ function() {\n  }\n  }",
+            output: null,
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {\n f /* comment */: function() {\n  }\n  }",
+            output: null,
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {y: function() {}}",
+            output: "var x = {y() {}}",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {y: function*() {}}",
+            output: "var x = {*y() {}}",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {x: y, y: z, a: a}",
+            output: "var x = {x: y, y: z, a}",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {ConstructorFunction: function(){}, a: b}",
+            output: "var x = {ConstructorFunction(){}, a: b}",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {x: y, y: z, a: function(){}, b() {}}",
+            output: "var x = {x: y, y: z, a(){}, b() {}}",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {x: x, y: function() {}}",
+            output: "var x = {x, y() {}}",
+            errors: [PROPERTY_ERROR, METHOD_ERROR]
+        },
+        {
+            code: "doSomething({x: x})",
+            output: "doSomething({x})",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "doSomething({'x': x})",
+            output: "doSomething({x})",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "doSomething({a: 'a', 'x': x})",
+            output: "doSomething({a: 'a', x})",
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "doSomething({y: function() {}})",
+            output: "doSomething({y() {}})",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "doSomething({[y]: function() {}})",
+            output: "doSomething({[y]() {}})",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "doSomething({['y']: function() {}})",
+            output: "doSomething({['y']() {}})",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ foo: async function () {} })",
+            output: "({ async foo () {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ 'foo': async function() {} })",
+            output: "({ async 'foo'() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [foo]: async function() {} })",
+            output: "({ async [foo]() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [foo.bar]: function*() {} })",
+            output: "({ *[foo.bar]() {} })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [foo   ]: function() {} })",
+            output: "({ [foo   ]() {} })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [ foo ]: async function() {} })",
+            output: "({ async [ foo ]() {} })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ foo: function *() {} })",
+            output: "({ *foo() {} })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [  foo   ]: function() {} })",
+            output: "({ [  foo   ]() {} })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [  foo]: function() {} })",
+            output: "({ [  foo]() {} })",
+            errors: [METHOD_ERROR]
+        },
+
+        // options
+        {
+            code: "var x = {y: function() {}}",
+            output: "var x = {y() {}}",
+            options: ["methods"],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {x, y() {}, z: function() {}}",
+            output: "var x = {x, y() {}, z() {}}",
+            options: ["methods"],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {ConstructorFunction: function(){}, a: b}",
+            output: "var x = {ConstructorFunction(){}, a: b}",
+            options: ["methods"],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {[y]: function() {}}",
+            output: "var x = {[y]() {}}",
+            options: ["methods"],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [(foo)]: function() { return; } })",
+            output: "({ [(foo)]() { return; } })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [(foo)]: async function() { return; } })",
+            output: "({ async [(foo)]() { return; } })",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [(((((((foo)))))))]: function() { return; } })",
+            output: "({ [(((((((foo)))))))]() { return; } })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [(foo)]() { return; } })",
+            output: "({ [(foo)]: function() { return; } })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ async [(foo)]() { return; } })",
+            output: "({ [(foo)]: async function() { return; } })",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ *[((foo))]() { return; } })",
+            output: "({ [((foo))]: function*() { return; } })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ [(((((((foo)))))))]() { return; } })",
+            output: "({ [(((((((foo)))))))]: function() { return; } })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ 'foo bar'() { return; } })",
+            output: "({ 'foo bar': function() { return; } })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ *foo() { return; } })",
+            output: "({ foo: function*() { return; } })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ async foo() { return; } })",
+            output: "({ foo: async function() { return; } })",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "({ *['foo bar']() { return; } })",
+            output: "({ ['foo bar']: function*() { return; } })",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {x: x}",
+            output: "var x = {x}",
+            options: ["properties"],
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {a, b, c(){}, x: x}",
+            output: "var x = {a, b, c(){}, x}",
+            options: ["properties"],
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y() {}}",
+            output: "var x = {y: function() {}}",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {*y() {}}",
+            output: "var x = {y: function*() {}}",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {y}",
+            output: "var x = {y: y}",
+            options: ["never"],
+            errors: [LONGFORM_PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {y, a: b, *x(){}}",
+            output: "var x = {y: y, a: b, x: function*(){}}",
+            options: ["never"],
+            errors: [LONGFORM_PROPERTY_ERROR, LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {y: {x}}",
+            output: "var x = {y: {x: x}}",
+            options: ["never"],
+            errors: [LONGFORM_PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {ConstructorFunction(){}, a: b}",
+            output: "var x = {ConstructorFunction: function(){}, a: b}",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {notConstructorFunction(){}, b: c}",
+            output: "var x = {notConstructorFunction: function(){}, b: c}",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+        {
+            code: "var x = {foo: foo, bar: baz, ...qux}",
+            output: "var x = {foo, bar: baz, ...qux}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {foo, bar: baz, ...qux}",
+            output: "var x = {foo: foo, bar: baz, ...qux}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [LONGFORM_PROPERTY_ERROR]
+        },
+
+        // ignoreConstructors
+        {
+            code: "var x = {y: function() {}}",
+            output: "var x = {y() {}}",
+            options: ["methods", { ignoreConstructors: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11595
+            code: "var x = {_y: function() {}}",
+            output: "var x = {_y() {}}",
+            options: ["methods", { ignoreConstructors: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11595
+            code: "var x = {$y: function() {}}",
+            output: "var x = {$y() {}}",
+            options: ["methods", { ignoreConstructors: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11595
+            code: "var x = {__y: function() {}}",
+            output: "var x = {__y() {}}",
+            options: ["methods", { ignoreConstructors: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11595
+            code: "var x = {_0y: function() {}}",
+            output: "var x = {_0y() {}}",
+            options: ["methods", { ignoreConstructors: true }],
+            errors: [METHOD_ERROR]
+        },
+
+        // avoidQuotes
+        {
+            code: "var x = {a: a}",
+            output: "var x = {a}",
+            options: ["always", { avoidQuotes: true }],
+            errors: [PROPERTY_ERROR]
+        },
+        {
+            code: "var x = {a: function(){}}",
+            output: "var x = {a(){}}",
+            options: ["methods", { avoidQuotes: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {[a]: function(){}}",
+            output: "var x = {[a](){}}",
+            options: ["methods", { avoidQuotes: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "var x = {'a'(){}}",
+            output: "var x = {'a': function(){}}",
+            options: ["always", { avoidQuotes: true }],
+            errors: [LONGFORM_METHOD_STRING_LITERAL_ERROR]
+        },
+        {
+            code: "var x = {['a'](){}}",
+            output: "var x = {['a']: function(){}}",
+            options: ["methods", { avoidQuotes: true }],
+            errors: [LONGFORM_METHOD_STRING_LITERAL_ERROR]
+        },
+
+        // consistent
+        {
+            code: "var x = {a: a, b}",
+            output: null,
+            options: ["consistent"],
+            errors: [MIXED_SHORTHAND_ERROR]
+        },
+        {
+            code: "var x = {b, c: d, f: g}",
+            output: null,
+            options: ["consistent"],
+            errors: [MIXED_SHORTHAND_ERROR]
+        },
+        {
+            code: "var x = {foo, bar: baz, ...qux}",
+            output: null,
+            options: ["consistent"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [MIXED_SHORTHAND_ERROR]
+        },
+
+        // consistent-as-needed
+        {
+            code: "var x = {a: a, b: b}",
+            output: null,
+            options: ["consistent-as-needed"],
+            errors: [ALL_SHORTHAND_ERROR]
+        },
+        {
+            code: "var x = {a, z: function z(){}}",
+            output: null,
+            options: ["consistent-as-needed"],
+            errors: [MIXED_SHORTHAND_ERROR]
+
+        },
+        {
+            code: "var x = {foo: function() {}}",
+            output: null,
+            options: ["consistent-as-needed"],
+            errors: [ALL_SHORTHAND_ERROR]
+        },
+        {
+            code: "var x = {a: a, b: b, ...baz}",
+            output: null,
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [ALL_SHORTHAND_ERROR]
+        },
+        {
+            code: "var x = {foo, bar: bar, ...qux}",
+            output: null,
+            options: ["consistent-as-needed"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [MIXED_SHORTHAND_ERROR]
+        },
+
+        // avoidExplicitReturnArrows
+        {
+            code: "({ x: () => { return; } })",
+            output: "({ x() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x() { return; }, y: () => { return; } })",
+            output: "({ x() { return; }, y() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: () => { return; }, y: () => foo })",
+            output: "({ x() { return; }, y: () => foo })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: () => { return; }, y: () => { return; } })",
+            output: "({ x() { return; }, y() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR, METHOD_ERROR]
+        },
+        {
+            code: "({ x: foo => { return; } })",
+            output: "({ x(foo) { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: (foo = 1) => { return; } })",
+            output: "({ x(foo = 1) { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: ({ foo: bar = 1 } = {}) => { return; } })",
+            output: "({ x({ foo: bar = 1 } = {}) { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: () => { function foo() { this; } } })",
+            output: "({ x() { function foo() { this; } } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: () => { var foo = function() { arguments; } } })",
+            output: "({ x() { var foo = function() { arguments; } } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ x: () => { function foo() { arguments; } } })",
+            output: "({ x() { function foo() { arguments; } } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: `
+                ({
+                    x: () => {
+                        class Foo extends Bar {
+                            constructor() {
+                                super();
+                            }
+                        }
+                    }
+                })
+            `,
+            output: `
+                ({
+                    x() {
+                        class Foo extends Bar {
+                            constructor() {
+                                super();
+                            }
+                        }
+                    }
+                })
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: `
+                ({
+                    x: () => {
+                        function foo() {
+                            new.target;
+                        }
+                    }
+                })
+            `,
+            output: `
+                ({
+                    x() {
+                        function foo() {
+                            new.target;
+                        }
+                    }
+                })
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ 'foo bar': () => { return; } })",
+            output: "({ 'foo bar'() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [foo]: () => { return; } })",
+            output: "({ [foo]() { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: 1, foo: async (bar = 1) => { return; } })",
+            output: "({ a: 1, async foo(bar = 1) { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ [ foo ]: async bar => { return; } })",
+            output: "({ async [ foo ](bar) { return; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [METHOD_ERROR]
+        },
+        {
+
+            // https://github.com/eslint/eslint/issues/11305
+            code: "({ key: (arg = () => {}) => {} })",
+            output: "({ key(arg = () => {}) {} })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            this;
+                            return { y: () => { foo; } };
+                        }
+                    };
+                }
+            `,
+            output: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            this;
+                            return { y() { foo; } };
+                        }
+                    };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            ({ y: () => { foo; } });
+                            this;
+                        }
+                    };
+                }
+            `,
+            output: `
+                function foo() {
+                    var x = {
+                        x: () => {
+                            ({ y() { foo; } });
+                            this;
+                        }
+                    };
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: (function(){ return foo; }) })",
+            output: "({ a(){ return foo; } })",
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: (() => { return foo; }) })",
+            output: "({ a() { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: ((arg) => { return foo; }) })",
+            output: "({ a(arg) { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: ((arg, arg2) => { return foo; }) })",
+            output: "({ a(arg, arg2) { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: (async () => { return foo; }) })",
+            output: "({ async a() { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: (async (arg) => { return foo; }) })",
+            output: "({ async a(arg) { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ a: (async (arg, arg2) => { return foo; }) })",
+            output: "({ async a(arg, arg2) { return foo; } })",
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            errors: [METHOD_ERROR]
+        },
+
+        // async generators
+        {
+            code: "({ a: async function*() {} })",
+            output: "({ async *a() {} })",
+            options: ["always"],
+            errors: [METHOD_ERROR]
+        },
+        {
+            code: "({ async* a() {} })",
+            output: "({ a: async function*() {} })",
+            options: ["never"],
+            errors: [LONGFORM_METHOD_ERROR]
+        },
+
+        // typescript: arrow function should preserve the return value
+        {
+            code: unIndent`
+                const test = {
+                    key: (): void => {x()},
+                    key: ( (): void => {x()} ),
+                    key: ( (): (void) => {x()} ),
+
+                    key: (arg: t): void => {x()},
+                    key: ( (arg: t): void => {x()} ),
+                    key: ( (arg: t): (void) => {x()} ),
+
+                    key: (arg: t, arg2: t): void => {x()},
+                    key: ( (arg: t, arg2: t): void => {x()} ),
+                    key: ( (arg: t, arg2: t): (void) => {x()} ),
+
+                    key: async (): void => {x()},
+                    key: ( async (): void => {x()} ),
+                    key: ( async (): (void) => {x()} ),
+
+                    key: async (arg: t): void => {x()},
+                    key: ( async (arg: t): void => {x()} ),
+                    key: ( async (arg: t): (void) => {x()} ),
+
+                    key: async (arg: t, arg2: t): void => {x()},
+                    key: ( async (arg: t, arg2: t): void => {x()} ),
+                    key: ( async (arg: t, arg2: t): (void) => {x()} ),
+                }
+            `,
+            output: unIndent`
+                const test = {
+                    key(): void {x()},
+                    key(): void {x()},
+                    key(): (void) {x()},
+
+                    key(arg: t): void {x()},
+                    key(arg: t): void {x()},
+                    key(arg: t): (void) {x()},
+
+                    key(arg: t, arg2: t): void {x()},
+                    key(arg: t, arg2: t): void {x()},
+                    key(arg: t, arg2: t): (void) {x()},
+
+                    async key(): void {x()},
+                    async key(): void {x()},
+                    async key(): (void) {x()},
+
+                    async key(arg: t): void {x()},
+                    async key(arg: t): void {x()},
+                    async key(arg: t): (void) {x()},
+
+                    async key(arg: t, arg2: t): void {x()},
+                    async key(arg: t, arg2: t): void {x()},
+                    async key(arg: t, arg2: t): (void) {x()},
+                }
+            `,
+            options: ["always", { avoidExplicitReturnArrows: true }],
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/object-with-arrow-fn-props"),
+            errors: Array(18).fill(METHOD_ERROR)
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/one-var-declaration-per-line.js b/eslint/tests/lib/rules/one-var-declaration-per-line.js
new file mode 100644
index 0000000..59af620
--- /dev/null
+++ b/eslint/tests/lib/rules/one-var-declaration-per-line.js
@@ -0,0 +1,89 @@
+/**
+ * @fileoverview Tests for one-var-declaration-per-line rule.
+ * @author Alberto Rodríguez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/one-var-declaration-per-line"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Fixtures
+//------------------------------------------------------------------------------
+
+/**
+ * Returns an error object at the specified line and column
+ * @private
+ * @param {int} line line number
+ * @param {int} column column number
+ * @returns {Object} Error object
+ */
+function errorAt(line, column) {
+    return {
+        messageId: "expectVarOnNewline",
+        type: "VariableDeclaration",
+        line,
+        column
+    };
+}
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("one-var-declaration-per-line", rule, {
+    valid: [
+        { code: "var a, b, c,\nd = 0;", options: ["initializations"] },
+        { code: "var a, b, c,\n\nd = 0;", options: ["initializations"] },
+        { code: "var a, b,\nc=0\nd = 0;", options: ["initializations"] },
+        { code: "let a, b;", options: ["initializations"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var a = 0; var b = 0;", options: ["initializations"] },
+        "var a, b,\nc=0\nd = 0;",
+
+        { code: "var a,\nb,\nc,\nd = 0;", options: ["always"] },
+        { code: "var a = 0,\nb;", options: ["always"] },
+        { code: "var a = 0,\n\nb;", options: ["always"] },
+
+        { code: "var a; var b;", options: ["always"] },
+        { code: "for(var a = 0, b = 0;;){}", options: ["always"] },
+        { code: "for(let a = 0, b = 0;;){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(const a = 0, b = 0;;){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(var a in obj){}", options: ["always"] },
+        { code: "for(let a in obj){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(const a in obj){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(var a of arr){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(let a of arr){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "for(const a of arr){}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+
+        { code: "export let a, b;", options: ["initializations"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export let a,\n b = 0;", options: ["initializations"], parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+
+    invalid: [
+        { code: "var a, b;", output: "var a, \nb;", options: ["always"], errors: [errorAt(1, 8)] },
+        { code: "let a, b;", output: "let a, \nb;", options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [errorAt(1, 8)] },
+        { code: "var a, b = 0;", output: "var a, \nb = 0;", options: ["always"], errors: [errorAt(1, 8)] },
+        { code: "var a = {\n foo: bar\n}, b;", output: "var a = {\n foo: bar\n}, \nb;", options: ["always"], errors: [errorAt(3, 4)] },
+        { code: "var a\n=0, b;", output: "var a\n=0, \nb;", options: ["always"], errors: [errorAt(2, 5)] },
+        { code: "let a, b = 0;", output: "let a, \nb = 0;", options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [errorAt(1, 8)] },
+        { code: "const a = 0, b = 0;", output: "const a = 0, \nb = 0;", options: ["always"], parserOptions: { ecmaVersion: 6 }, errors: [errorAt(1, 14)] },
+
+        { code: "var a, b, c = 0;", output: "var a, b, \nc = 0;", options: ["initializations"], errors: [errorAt(1, 11)] },
+        { code: "var a, b,\nc = 0, d;", output: "var a, b,\nc = 0, \nd;", options: ["initializations"], errors: [errorAt(2, 8)] },
+        { code: "var a, b,\nc = 0, d = 0;", output: "var a, b,\nc = 0, \nd = 0;", options: ["initializations"], errors: [errorAt(2, 8)] },
+        { code: "var a\n=0, b = 0;", output: "var a\n=0, \nb = 0;", options: ["initializations"], errors: [errorAt(2, 5)] },
+        { code: "var a = {\n foo: bar\n}, b;", output: "var a = {\n foo: bar\n}, \nb;", options: ["initializations"], errors: [errorAt(3, 4)] },
+
+        { code: "for(var a = 0, b = 0;;){\nvar c,d;}", output: "for(var a = 0, b = 0;;){\nvar c,\nd;}", options: ["always"], errors: [errorAt(2, 7)] },
+        { code: "export let a, b;", output: "export let a, \nb;", options: ["always"], parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [errorAt(1, 15)] },
+        { code: "export let a, b = 0;", output: "export let a, \nb = 0;", options: ["initializations"], parserOptions: { ecmaVersion: 6, sourceType: "module" }, errors: [errorAt(1, 15)] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/one-var.js b/eslint/tests/lib/rules/one-var.js
new file mode 100644
index 0000000..f17c0b3
--- /dev/null
+++ b/eslint/tests/lib/rules/one-var.js
@@ -0,0 +1,1859 @@
+/**
+ * @fileoverview Tests for one-var.
+ * @author Ian Christian Myers and Michael Paulukonis
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/one-var"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("one-var", rule, {
+    valid: [
+        "function foo() { var bar = true; }",
+        "function foo() { var bar = true, baz = 1; if (qux) { bar = false; } }",
+        "var foo = function() { var bar = true; baz(); }",
+        {
+            code: "function foo() { var bar = true, baz = false; }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { var bar = true; var baz = false; }",
+            options: ["never"]
+        },
+        {
+            code: "for (var i = 0, len = arr.length; i < len; i++) {}",
+            options: ["never"]
+        },
+        {
+            code: "var bar = true; var baz = false;",
+            options: [{ initialized: "never" }]
+        },
+        {
+            code: "var bar = true, baz = false;",
+            options: [{ initialized: "always" }]
+        },
+        {
+            code: "var bar, baz;",
+            options: [{ initialized: "never" }]
+        },
+        {
+            code: "var bar; var baz;",
+            options: [{ uninitialized: "never" }]
+        },
+        {
+            code: "var bar, baz;",
+            options: [{ uninitialized: "always" }]
+        },
+        {
+            code: "var bar = true, baz = false;",
+            options: [{ uninitialized: "never" }]
+        },
+        {
+            code: "var bar = true, baz = false, a, b;",
+            options: [{ uninitialized: "always", initialized: "always" }]
+        },
+        {
+            code: "var bar = true; var baz = false; var a; var b;",
+            options: [{ uninitialized: "never", initialized: "never" }]
+        },
+        {
+            code: "var bar, baz; var a = true; var b = false;",
+            options: [{ uninitialized: "always", initialized: "never" }]
+        },
+        {
+            code: "var bar = true, baz = false; var a; var b;",
+            options: [{ uninitialized: "never", initialized: "always" }]
+        },
+        {
+            code: "var bar; var baz; var a = true, b = false;",
+            options: [{ uninitialized: "never", initialized: "always" }]
+        },
+        {
+            code: "function foo() { var a = [1, 2, 3]; var [b, c, d] = a; }",
+            options: ["never"]
+        },
+        {
+            code: "function foo() { let a = 1; var c = true; if (a) {let c = true; } }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { const a = 1; var c = true; if (a) {const c = true; } }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { if (true) { const a = 1; }; if (true) {const a = true; } }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { let a = 1; let b = true; }",
+            options: ["never"]
+        },
+        {
+            code: "function foo() { const a = 1; const b = true; }",
+            options: ["never"]
+        },
+        {
+            code: "function foo() { let a = 1; const b = false; var c = true; }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { let a = 1, b = false; var c = true; }",
+            options: ["always"]
+        },
+        {
+            code: "function foo() { let a = 1; let b = 2; const c = false; const d = true; var e = true, f = false; }",
+            options: [{ var: "always", let: "never", const: "never" }]
+        },
+        {
+            code: "let foo = true; for (let i = 0; i < 1; i++) { let foo = false; }",
+            options: [{ var: "always", let: "always", const: "never" }]
+        },
+        {
+            code: "let foo = true; for (let i = 0; i < 1; i++) { let foo = false; }",
+            options: [{ var: "always" }]
+        },
+        {
+            code: "let foo = true, bar = false;",
+            options: [{ var: "never" }]
+        },
+        {
+            code: "let foo = true, bar = false;",
+            options: [{ const: "never" }]
+        },
+        {
+            code: "let foo = true, bar = false;",
+            options: [{ uninitialized: "never" }]
+        },
+        {
+            code: "let foo, bar",
+            options: [{ initialized: "never" }]
+        },
+        {
+            code: "let foo = true, bar = false; let a; let b;",
+            options: [{ uninitialized: "never" }]
+        },
+        {
+            code: "let foo, bar; let a = true; let b = true;",
+            options: [{ initialized: "never" }]
+        },
+        {
+            code: "var foo, bar; const a=1; const b=2; let c, d",
+            options: [{ var: "always", let: "always" }]
+        },
+        {
+            code: "var foo; var bar; const a=1, b=2; let c; let d",
+            options: [{ const: "always" }]
+        },
+        {
+            code: "for (let x of foo) {}; for (let y of foo) {}",
+            options: [{ uninitialized: "always" }]
+        },
+        {
+            code: "for (let x in foo) {}; for (let y in foo) {}",
+            options: [{ uninitialized: "always" }]
+        },
+        {
+            code: "var x; for (var y in foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x, y; for (y in foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x, y; for (var z in foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x; for (var y in foo) {var bar = y; for (var z in bar) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var a = 1; var b = 2; var x, y; for (var z in foo) {var baz = z; for (var d in baz) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x; for (var y of foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x, y; for (y of foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x, y; for (var z of foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var x; for (var y of foo) {var bar = y; for (var z of bar) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var a = 1; var b = 2; var x, y; for (var z of foo) {var baz = z; for (var d of baz) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }]
+        },
+        {
+            code: "var foo = require('foo'), bar;",
+            options: [{ separateRequires: false, var: "always" }]
+        },
+        {
+            code: "var foo = require('foo'), bar = require('bar');",
+            options: [{ separateRequires: true, var: "always" }]
+        },
+        {
+            code: "var bar = 'bar'; var foo = require('foo');",
+            options: [{ separateRequires: true, var: "always" }]
+        },
+        {
+            code: "var foo = require('foo'); var bar = 'bar';",
+            options: [{ separateRequires: true, var: "always" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/4680
+        {
+            code: "var a = 0, b, c;",
+            options: ["consecutive"]
+        },
+        {
+            code: "var a = 0, b = 1, c = 2;",
+            options: ["consecutive"]
+        },
+        {
+            code: "var a = 0, b = 1; foo(); var c = 2;",
+            options: ["consecutive"]
+        },
+        {
+            code: "let a = 0, b, c;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0, b = 1, c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0, b = 1; foo(); let c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1; foo(); const c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; var b = 1;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; let b = 1;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; const b = 1; var c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/10784
+        {
+            code: "const foo = require('foo'); const bar = 'bar';",
+            options: [{ const: "consecutive", separateRequires: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0, b = 1; var c, d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }]
+        },
+        {
+            code: "var a = 0; var b, c; var d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }]
+        },
+        {
+            code: "let a = 0, b = 1; let c, d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; let b, c; let d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1; let c, d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; let b, c; const d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0, b = 1; var c; var d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }]
+        },
+        {
+            code: "var a = 0; var b; var c; var d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }]
+        },
+        {
+            code: "let a = 0, b = 1; let c; let d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; let b; let c; let d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1; let c; let d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; let b; let c; const d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a, b; var c = 0, d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }]
+        },
+        {
+            code: "var a; var b = 0, c = 1; var d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }]
+        },
+        {
+            code: "let a, b; let c = 0, d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; let b = 0, c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a, b; const c = 0, d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; const b = 0, c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a, b; var c = 0; var d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }]
+        },
+        {
+            code: "var a; var b = 0; var c = 1; var d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }]
+        },
+        {
+            code: "let a, b; let c = 0; let d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; let b = 0; let c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a, b; const c = 0; const d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; const b = 0; const c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 0, b = 1;",
+            options: [{ var: "consecutive" }]
+        },
+        {
+            code: "var a = 0; foo; var b = 1;",
+            options: [{ var: "consecutive" }]
+        },
+        {
+            code: "let a = 0, b = 1;",
+            options: [{ let: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a = 0; foo; let b = 1;",
+            options: [{ let: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1;",
+            options: [{ const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; foo; const b = 1;",
+            options: [{ const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a, b; const c = 0, d = 1;",
+            options: [{ let: "consecutive", const: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; const b = 0, c = 1; let d;",
+            options: [{ let: "consecutive", const: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a, b; const c = 0; const d = 1;",
+            options: [{ let: "consecutive", const: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "let a; const b = 0; const c = 1; let d;",
+            options: [{ let: "consecutive", const: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1; let c, d;",
+            options: [{ const: "consecutive", let: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; let b, c; const d = 1;",
+            options: [{ const: "consecutive", let: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0, b = 1; let c; let d;",
+            options: [{ const: "consecutive", let: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 0; let b; let c; const d = 1;",
+            options: [{ const: "consecutive", let: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 1, b = 2; foo(); var c = 3, d = 4;",
+            options: [{ initialized: "consecutive" }]
+        },
+        {
+            code: "var bar, baz;",
+            options: ["consecutive"]
+        },
+        {
+            code: "var bar = 1, baz = 2; qux(); var qux = 3, quux;",
+            options: ["consecutive"]
+        },
+        {
+            code: "let a, b; var c; var d; let e;",
+            options: [{ var: "never", let: "consecutive", const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const a = 1, b = 2; var d; var e; const f = 3;",
+            options: [{ var: "never", let: "consecutive", const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a, b; const c = 1; const d = 2; let e; let f; ",
+            options: [{ var: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var a = 1, b = 2; var c; var d; var e = 3, f = 4;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }]
+        },
+        {
+            code: "var a; somethingElse(); var b;",
+            options: [{ var: "never" }]
+        },
+        {
+            code: "var foo = 1;\nlet bar = function() { var x; };\nvar baz = 2;",
+            options: [{ var: "never" }]
+        }
+    ],
+    invalid: [
+        {
+            code: "function foo() { var bar = true, baz = false; }",
+            output: "function foo() { var bar = true; var baz = false; }",
+            options: ["never"],
+            errors: [{
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { var bar = true; var baz = false; }",
+            output: "function foo() { var bar = true,  baz = false; }",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var a = 1; for (var b = 2;;) {}",
+            output: null,
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { var foo = true, bar = false; }",
+            output: "function foo() { var foo = true; var bar = false; }",
+            options: [{ initialized: "never" }],
+            errors: [
+                {
+                    messageId: "splitInitialized",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var foo, bar; }",
+            output: "function foo() { var foo; var bar; }",
+            options: [{ uninitialized: "never" }],
+            errors: [
+                {
+                    messageId: "splitUninitialized",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var bar, baz; var a = true; var b = false; var c, d;}",
+            output: "function foo() { var bar, baz; var a = true; var b = false,  c, d;}",
+            options: [{ uninitialized: "always", initialized: "never" }],
+            errors: [
+                {
+                    messageId: "combineUninitialized",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var bar = true, baz = false; var a; var b; var c = true, d = false; }",
+            output: "function foo() { var bar = true, baz = false; var a; var b,  c = true, d = false; }",
+            options: [{ uninitialized: "never", initialized: "always" }],
+            errors: [
+                {
+                    messageId: "combineInitialized",
+                    data: { type: "var" },
+
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var bar = true, baz = false; var a, b;}",
+            output: "function foo() { var bar = true; var baz = false; var a; var b;}",
+            options: [{ uninitialized: "never", initialized: "never" }],
+            errors: [
+                {
+                    messageId: "split",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                },
+                {
+                    messageId: "split",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var bar = true; var baz = false; var a; var b;}",
+            output: "function foo() { var bar = true,  baz = false,  a,  b;}",
+            options: [{ uninitialized: "always", initialized: "always" }],
+            errors: [
+                {
+                    messageId: "combine",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                },
+                {
+                    messageId: "combine",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                },
+                {
+                    messageId: "combine",
+                    data: { type: "var" },
+                    type: "VariableDeclaration"
+                }
+            ]
+        },
+        {
+            code: "function foo() { var a = [1, 2, 3]; var [b, c, d] = a; }",
+            output: "function foo() { var a = [1, 2, 3],  [b, c, d] = a; }",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { let a = 1; let b = 2; }",
+            output: "function foo() { let a = 1,  b = 2; }",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { const a = 1; const b = 2; }",
+            output: "function foo() { const a = 1,  b = 2; }",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { let a = 1; let b = 2; }",
+            output: "function foo() { let a = 1,  b = 2; }",
+            options: [{ let: "always" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { const a = 1; const b = 2; }",
+            output: "function foo() { const a = 1,  b = 2; }",
+            options: [{ const: "always" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { let a = 1, b = 2; }",
+            output: "function foo() { let a = 1; let b = 2; }",
+            options: [{ let: "never" }],
+            errors: [{
+                messageId: "split",
+                data: { type: "let" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { let a = 1, b = 2; }",
+            output: "function foo() { let a = 1; let b = 2; }",
+            options: [{ initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { let a, b; }",
+            output: "function foo() { let a; let b; }",
+            options: [{ uninitialized: "never" }],
+            errors: [{
+                messageId: "splitUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { const a = 1, b = 2; }",
+            output: "function foo() { const a = 1; const b = 2; }",
+            options: [{ initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { const a = 1, b = 2; }",
+            output: "function foo() { const a = 1; const b = 2; }",
+            options: [{ const: "never" }],
+            errors: [{
+                messageId: "split",
+                data: { type: "const" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "let foo = true; switch(foo) { case true: let bar = 2; break; case false: let baz = 3; break; }",
+            output: null,
+            options: [{ var: "always", let: "always", const: "never" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 74
+            }]
+        },
+        {
+            code: "var one = 1, two = 2;\nvar three;",
+            output: "var one = 1, two = 2,\n three;",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 2,
+                column: 1
+            }]
+        },
+        {
+            code: "var i = [0], j;",
+            output: "var i = [0]; var j;",
+            options: [{ initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var i = [0], j;",
+            output: "var i = [0]; var j;",
+            options: [{ uninitialized: "never" }],
+            errors: [{
+                messageId: "splitUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (var x of foo) {}; for (var y of foo) {}",
+            output: null,
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (var x in foo) {}; for (var y in foo) {}",
+            output: null,
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var foo = function() { var bar = true; var baz = false; }",
+            output: "var foo = function() { var bar = true,  baz = false; }",
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 40
+            }]
+        },
+        {
+            code: "function foo() { var bar = true; if (qux) { var baz = false; } else { var quxx = 42; } }",
+            output: null,
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 45
+            }, {
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 71
+            }]
+        },
+        {
+            code: "var foo = () => { var bar = true; var baz = false; }",
+            output: "var foo = () => { var bar = true,  baz = false; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 35
+            }]
+        },
+        {
+            code: "var foo = function() { var bar = true; if (qux) { var baz = false; } }",
+            output: null,
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 51
+            }]
+        },
+        {
+            code: "var foo; var bar;",
+            output: "var foo,  bar;",
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 10
+            }]
+        },
+        {
+            code: "var x = 1, y = 2; for (var z in foo) {}",
+            output: "var x = 1; var y = 2; for (var z in foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var x = 1, y = 2; for (var z of foo) {}",
+            output: "var x = 1; var y = 2; for (var z of foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var x; var y; for (var z in foo) {}",
+            output: "var x,  y; for (var z in foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "var x; var y; for (var z of foo) {}",
+            output: "var x,  y; for (var z of foo) {}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "var x; for (var y in foo) {var bar = y; var a; for (var z of bar) {}}",
+            output: "var x; for (var y in foo) {var bar = y,  a; for (var z of bar) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 41
+            }]
+        },
+        {
+            code: "var a = 1; var b = 2; var x, y; for (var z of foo) {var c = 3, baz = z; for (var d in baz) {}}",
+            output: "var a = 1; var b = 2; var x, y; for (var z of foo) {var c = 3; var baz = z; for (var d in baz) {}}",
+            options: [{ initialized: "never", uninitialized: "always" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 53
+            }]
+        },
+        {
+            code: "var {foo} = 1, [bar] = 2;",
+            output: "var {foo} = 1; var [bar] = 2;",
+            options: [{ initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "const foo = 1,\n    bar = 2;",
+            output: "const foo = 1;\n    const bar = 2;",
+            options: [{ initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var foo = 1,\n    bar = 2;",
+            output: "var foo = 1;\n    var bar = 2;",
+            options: [{ initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var foo = 1, // comment\n    bar = 2;",
+            output: "var foo = 1; // comment\n    var bar = 2;",
+            options: [{ initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var f, k /* test */, l;",
+            output: "var f; var k /* test */; var l;",
+            options: ["never"],
+            errors: [{
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var f,          /* test */ l;",
+            output: "var f;          /* test */ var l;",
+            options: ["never"],
+            errors: [{
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var f, k /* test \n some more comment \n even more */, l = 1, P;",
+            output: "var f; var k /* test \n some more comment \n even more */; var l = 1; var P;",
+            options: ["never"],
+            errors: [{
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var a = 1, b = 2",
+            output: "var a = 1; var b = 2",
+            options: ["never"],
+            errors: [{
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var foo = require('foo'), bar;",
+            output: null,
+            options: [{ separateRequires: true, var: "always" }],
+            errors: [{
+                messageId: "splitRequires",
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "var foo, bar = require('bar');",
+            output: null,
+            options: [{ separateRequires: true, var: "always" }],
+            errors: [{
+                messageId: "splitRequires",
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "let foo, bar = require('bar');",
+            output: null,
+            options: [{ separateRequires: true, let: "always" }],
+            errors: [{
+                messageId: "splitRequires",
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "const foo = 0, bar = require('bar');",
+            output: null,
+            options: [{ separateRequires: true, const: "always" }],
+            errors: [{
+                messageId: "splitRequires",
+                type: "VariableDeclaration",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "const foo = require('foo'); const bar = require('bar');",
+            output: "const foo = require('foo'),  bar = require('bar');",
+            options: [{ separateRequires: true, const: "always" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 29
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/4680
+        {
+            code: "var a = 1, b; var c;",
+            output: "var a = 1, b,  c;",
+            options: ["consecutive"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "var a = 0, b = 1; var c = 2;",
+            output: "var a = 0, b = 1,  c = 2;",
+            options: ["consecutive"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "let a = 1, b; let c;",
+            output: "let a = 1, b,  c;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "let a = 0, b = 1; let c = 2;",
+            output: "let a = 0, b = 1,  c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "const a = 0, b = 1; const c = 2;",
+            output: "const a = 0, b = 1,  c = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "const a = 0; var b = 1; var c = 2; const d = 3;",
+            output: "const a = 0; var b = 1,  c = 2; const d = 3;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 25
+            }]
+        },
+        {
+            code: "var a = true; var b = false;",
+            output: "var a = true,  b = false;",
+            options: [{ separateRequires: true, var: "always" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "const a = 0; let b = 1; let c = 2; const d = 3;",
+            output: "const a = 0; let b = 1,  c = 2; const d = 3;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 25
+            }]
+        },
+        {
+            code: "let a = 0; const b = 1; const c = 1; var d = 2;",
+            output: "let a = 0; const b = 1,  c = 1; var d = 2;",
+            options: ["consecutive"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 25
+            }]
+        },
+        {
+            code: "var a = 0; var b; var c; var d = 1",
+            output: "var a = 0; var b,  c; var d = 1",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "var a = 0; var b = 1; var c; var d;",
+            output: "var a = 0,  b = 1; var c,  d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 30
+            }]
+        },
+        {
+            code: "let a = 0; let b; let c; let d = 1;",
+            output: "let a = 0; let b,  c; let d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "let a = 0; let b = 1; let c; let d;",
+            output: "let a = 0,  b = 1; let c,  d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 30
+            }]
+        },
+        {
+            code: "const a = 0; let b; let c; const d = 1;",
+            output: "const a = 0; let b,  c; const d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "const a = 0; const b = 1; let c; let d;",
+            output: "const a = 0,  b = 1; let c,  d;",
+            options: [{ initialized: "consecutive", uninitialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            },
+            {
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 34
+            }]
+        },
+        {
+            code: "var a = 0; var b = 1; var c, d;",
+            output: "var a = 0,  b = 1; var c; var d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "splitUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 23
+            }]
+        },
+        {
+            code: "var a = 0; var b, c; var d = 1;",
+            output: "var a = 0; var b; var c; var d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            errors: [{
+                messageId: "splitUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            }]
+        },
+        {
+            code: "let a = 0; let b = 1; let c, d;",
+            output: "let a = 0,  b = 1; let c; let d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "splitUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 23
+            }]
+        },
+        {
+            code: "let a = 0; let b, c; let d = 1;",
+            output: "let a = 0; let b; let c; let d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            }]
+        },
+        {
+            code: "const a = 0; const b = 1; let c, d;",
+            output: "const a = 0,  b = 1; let c; let d;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            },
+            {
+                messageId: "splitUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 27
+            }]
+        },
+        {
+            code: "const a = 0; let b, c; const d = 1;",
+            output: "const a = 0; let b; let c; const d = 1;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            }]
+        },
+        {
+            code: "var a; var b; var c = 0; var d = 1;",
+            output: "var a,  b; var c = 0,  d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 26
+            }]
+        },
+        {
+            code: "var a; var b = 0; var c = 1; var d;",
+            output: "var a; var b = 0,  c = 1; var d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "let a; let b; let c = 0; let d = 1;",
+            output: "let a,  b; let c = 0,  d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "combineInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 26
+            }]
+        },
+        {
+            code: "let a; let b = 0; let c = 1; let d;",
+            output: "let a; let b = 0,  c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "let a; let b; const c = 0; const d = 1;",
+            output: "let a,  b; const c = 0,  d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "combineInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 28
+            }]
+        },
+        {
+            code: "let a; const b = 0; const c = 1; let d;",
+            output: "let a; const b = 0,  c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "var a; var b; var c = 0, d = 1;",
+            output: "var a,  b; var c = 0; var d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "var a; var b = 0, c = 1; var d;",
+            output: "var a; var b = 0; var c = 1; var d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "let a; let b; let c = 0, d = 1;",
+            output: "let a,  b; let c = 0; let d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "splitInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "let a; let b = 0, c = 1; let d;",
+            output: "let a; let b = 0; let c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "let a; let b; const c = 0, d = 1;",
+            output: "let a,  b; const c = 0; const d = 1;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combineUninitialized",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "splitInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "let a; const b = 0, c = 1; let d;",
+            output: "let a; const b = 0; const c = 1; let d;",
+            options: [{ uninitialized: "consecutive", initialized: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "splitInitialized",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "var a = 0; var b = 1;",
+            output: "var a = 0,  b = 1;",
+            options: [{ var: "consecutive" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            }]
+        },
+        {
+            code: "let a = 0; let b = 1;",
+            output: "let a = 0,  b = 1;",
+            options: [{ let: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            }]
+        },
+        {
+            code: "const a = 0; const b = 1;",
+            output: "const a = 0,  b = 1;",
+            options: [{ const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            }]
+        },
+        {
+            code: "let a; let b; const c = 0; const d = 1;",
+            output: "let a,  b; const c = 0,  d = 1;",
+            options: [{ let: "consecutive", const: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 28
+            }]
+        },
+        {
+            code: "let a; const b = 0; const c = 1; let d;",
+            output: "let a; const b = 0,  c = 1; let d;",
+            options: [{ let: "consecutive", const: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "let a; let b; const c = 0, d = 1;",
+            output: "let a,  b; const c = 0; const d = 1;",
+            options: [{ let: "consecutive", const: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            },
+            {
+                messageId: "split",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "let a; const b = 0, c = 1; let d;",
+            output: "let a; const b = 0; const c = 1; let d;",
+            options: [{ let: "consecutive", const: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "split",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "const a = 0; const b = 1; let c; let d;",
+            output: "const a = 0,  b = 1; let c,  d;",
+            options: [{ const: "consecutive", let: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            },
+            {
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 34
+            }]
+        },
+        {
+            code: "const a = 0; let b; let c; const d = 1;",
+            output: "const a = 0; let b,  c; const d = 1;",
+            options: [{ const: "consecutive", let: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 21
+            }]
+        },
+        {
+            code: "const a = 0; const b = 1; let c, d;",
+            output: "const a = 0,  b = 1; let c; let d;",
+            options: [{ const: "consecutive", let: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "const" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            },
+            {
+                messageId: "split",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 27
+            }]
+        },
+        {
+            code: "const a = 0; let b, c; const d = 1;",
+            output: "const a = 0; let b; let c; const d = 1;",
+            options: [{ const: "consecutive", let: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "split",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            }]
+        },
+        {
+            code: "var bar; var baz;",
+            output: "var bar,  baz;",
+            options: ["consecutive"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 10
+            }]
+        },
+        {
+            code: "var bar = 1; var baz = 2; qux(); var qux = 3; var quux;",
+            output: "var bar = 1,  baz = 2; qux(); var qux = 3,  quux;",
+            options: ["consecutive"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 14
+            },
+            {
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 47
+            }]
+        },
+        {
+            code: "let a, b; let c; var d, e;",
+            output: "let a, b,  c; var d; var e;",
+            options: [{ var: "never", let: "consecutive", const: "consecutive" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "combine",
+                data: { type: "let" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 11
+            },
+            {
+                messageId: "split",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: "var a; var b;",
+            output: "var a,  b;",
+            options: [{ var: "consecutive" }],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 8
+            }]
+        },
+        {
+            code: "var a = 1; var b = 2; var c, d; var e = 3; var f = 4;",
+            output: "var a = 1,  b = 2; var c; var d; var e = 3,  f = 4;",
+            options: [{ initialized: "consecutive", uninitialized: "never" }],
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "splitUninitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 23
+            },
+            {
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 44
+            }]
+        },
+        {
+            code: "var a = 1; var b = 2; foo(); var c = 3; var d = 4;",
+            output: "var a = 1,  b = 2; foo(); var c = 3,  d = 4;",
+            options: [{ initialized: "consecutive" }],
+            errors: [{
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 12
+            },
+            {
+                messageId: "combineInitialized",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 1,
+                column: 41
+            }]
+        },
+        {
+            code: "var a\nvar b",
+            output: "var a,\n b",
+            options: ["always"],
+            errors: [{
+                messageId: "combine",
+                data: { type: "var" },
+                type: "VariableDeclaration",
+                line: 2,
+                column: 1
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/operator-assignment.js b/eslint/tests/lib/rules/operator-assignment.js
new file mode 100644
index 0000000..f690f7e
--- /dev/null
+++ b/eslint/tests/lib/rules/operator-assignment.js
@@ -0,0 +1,403 @@
+/**
+ * @fileoverview Tests for operator-assignment rule.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/operator-assignment"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 7 } });
+
+const EXPECTED_OPERATOR_ASSIGNMENT = [{ messageId: "replaced", type: "AssignmentExpression" }];
+const UNEXPECTED_OPERATOR_ASSIGNMENT = [{ messageId: "unexpected", type: "AssignmentExpression" }];
+
+ruleTester.run("operator-assignment", rule, {
+
+    valid: [
+        "x = y",
+        "x = y + x",
+        "x += x + y",
+        "x = (x + y) - z",
+        "x -= y",
+        "x = y - x",
+        "x *= x",
+        "x = y * z",
+        "x = (x * y) * z",
+        "x = y / x",
+        "x /= y",
+        "x %= y",
+        "x <<= y",
+        "x >>= x >> y",
+        "x >>>= y",
+        "x &= y",
+        "x **= y",
+        "x ^= y ^ z",
+        "x |= x | y",
+        "x = x && y",
+        "x = x || y",
+        "x = x < y",
+        "x = x > y",
+        "x = x <= y",
+        "x = x >= y",
+        "x = x instanceof y",
+        "x = x in y",
+        "x = x == y",
+        "x = x != y",
+        "x = x === y",
+        "x = x !== y",
+        "x[y] = x['y'] + z",
+        "x.y = x['y'] / z",
+        "x.y = z + x.y",
+        "x[fn()] = x[fn()] + y",
+        {
+            code: "x += x + y",
+            options: ["always"]
+        },
+        {
+            code: "x = x + y",
+            options: ["never"]
+        },
+        {
+            code: "x = x ** y",
+            options: ["never"]
+        },
+        "x = y ** x",
+        "x = x * y + z",
+        {
+            code: "this.x = this.y + z",
+            options: ["always"]
+        },
+        {
+            code: "this.x = foo.x + y",
+            options: ["always"]
+        },
+        {
+            code: "this.x = foo.this.x + y",
+            options: ["always"]
+        }
+    ],
+
+    invalid: [{
+        code: "x = x + y",
+        output: "x += y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x - y",
+        output: "x -= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x * y",
+        output: "x *= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = y * x",
+        output: null, // not fixed (possible change in behavior if y and x have valueOf() functions)
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = (y * z) * x",
+        output: null, // not fixed (possible change in behavior if y/z and x have valueOf() functions)
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x / y",
+        output: "x /= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x % y",
+        output: "x %= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x << y",
+        output: "x <<= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x >> y",
+        output: "x >>= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x >>> y",
+        output: "x >>>= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x & y",
+        output: "x &= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x ^ y",
+        output: "x ^= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x | y",
+        output: "x |= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x[0] = x[0] - y",
+        output: "x[0] -= y",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x.y[z['a']][0].b = x.y[z['a']][0].b * 2",
+        output: null, // not fixed; might activate getters more than before
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x + y",
+        output: "x += y",
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = (x + y)",
+        output: "x += y",
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x + (y)",
+        output: "x += (y)",
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x += (y)",
+        output: "x = x + (y)",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x += y",
+        output: "x = x + y",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo.bar = foo.bar + baz",
+        output: "foo.bar += baz",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo.bar += baz",
+        output: "foo.bar = foo.bar + baz",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this.foo = this.foo + bar",
+        output: "this.foo += bar",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this.foo += bar",
+        output: "this.foo = this.foo + bar",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo.bar.baz = foo.bar.baz + qux",
+        output: null, // not fixed; fixing would cause a foo.bar getter to activate once rather than twice
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo.bar.baz += qux",
+        output: null, // not fixed; fixing would cause a foo.bar getter to activate twice rather than once
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this.foo.bar = this.foo.bar + baz",
+        output: null, // not fixed; fixing would cause a this.foo getter to activate once rather than twice
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this.foo.bar += baz",
+        output: null, // not fixed; fixing would cause a this.foo getter to activate twice rather than once
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo[bar] = foo[bar] + baz",
+        output: null, // not fixed; fixing would cause bar.toString() to get called once instead of twice
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this[foo] = this[foo] + bar",
+        output: null, // not fixed; fixing would cause foo.toString() to get called once instead of twice
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo[bar] >>>= baz",
+        output: null, // not fixed; fixing would cause bar.toString() to get called twice instead of once
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this[foo] >>>= bar",
+        output: null, // not fixed; fixing would cause foo.toString() to get called twice instead of once
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo[5] = foo[5] / baz",
+        output: "foo[5] /= baz", // this is ok because 5 is a literal, so toString won't get called
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "this[5] = this[5] / foo",
+        output: "this[5] /= foo", // this is ok because 5 is a literal, so toString won't get called
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "/*1*/x/*2*/./*3*/y/*4*/= x.y +/*5*/z/*6*/./*7*/w/*8*/;",
+        output: "/*1*/x/*2*/./*3*/y/*4*/+=/*5*/z/*6*/./*7*/w/*8*/;", // these comments are preserved
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x // 1\n . // 2\n y // 3\n = x.y + //4\n z //5\n . //6\n w;",
+        output: "x // 1\n . // 2\n y // 3\n += //4\n z //5\n . //6\n w;", // these comments are preserved
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = /*1*/ x + y",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = //1\n x + y",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x.y = x/*1*/.y + z",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x.y = x. //1\n y + z",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x /*1*/ + y",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x = x //1\n + y",
+        output: null, // not fixed; fixing would remove this comment
+        options: ["always"],
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "/*1*/x +=/*2*/y/*3*/;",
+        output: "/*1*/x = x +/*2*/y/*3*/;", // these comments are preserved and not duplicated
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x +=//1\n y",
+        output: "x = x +//1\n y", // this comment is preserved and not duplicated
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "(/*1*/x += y)",
+        output: "(/*1*/x = x + y)", // this comment is preserved and not duplicated
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x/*1*/+=  y",
+        output: null, // not fixed; fixing would duplicate this comment
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x //1\n +=  y",
+        output: null, // not fixed; fixing would duplicate this comment
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "(/*1*/x) +=  y",
+        output: null, // not fixed; fixing would duplicate this comment
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x/*1*/.y +=  z",
+        output: null, // not fixed; fixing would duplicate this comment
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "x.//1\n y +=  z",
+        output: null, // not fixed; fixing would duplicate this comment
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "(foo.bar) ^= ((((((((((((((((baz))))))))))))))))",
+        output: "(foo.bar) = (foo.bar) ^ ((((((((((((((((baz))))))))))))))))",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo = foo ** bar",
+        output: "foo **= bar",
+        errors: EXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo **= bar",
+        output: "foo = foo ** bar",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo *= bar + 1",
+        output: "foo = foo * (bar + 1)",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo -= bar - baz",
+        output: "foo = foo - (bar - baz)",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo += bar + baz",
+        output: "foo = foo + (bar + baz)", // addition is not associative in JS, e.g. (1 + 2) + '3' !== 1 + (2 + '3')
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo += bar = 1",
+        output: "foo = foo + (bar = 1)",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo *= (bar + 1)",
+        output: "foo = foo * (bar + 1)",
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo+=-bar",
+        output: "foo= foo+-bar", // tokens can be adjacent
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo/=bar",
+        output: "foo= foo/bar", // tokens can be adjacent
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo/=/**/bar",
+        output: "foo= foo/ /**/bar", // // tokens cannot be adjacent, insert a space between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo/=//\nbar",
+        output: "foo= foo/ //\nbar", // // tokens cannot be adjacent, insert a space between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo/=/^bar$/",
+        output: "foo= foo/ /^bar$/", // // tokens cannot be adjacent, insert a space between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo+=+bar",
+        output: "foo= foo+ +bar", // tokens cannot be adjacent, insert a space between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo+= +bar",
+        output: "foo= foo+ +bar", // tokens cannot be adjacent, but there is already a space between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo+=/**/+bar",
+        output: "foo= foo+/**/+bar", // tokens cannot be adjacent, but there is a comment between
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }, {
+        code: "foo+=+bar===baz",
+        output: "foo= foo+(+bar===baz)", // tokens cannot be adjacent, but the right side will be parenthesised
+        options: ["never"],
+        errors: UNEXPECTED_OPERATOR_ASSIGNMENT
+    }]
+
+});
diff --git a/eslint/tests/lib/rules/operator-linebreak.js b/eslint/tests/lib/rules/operator-linebreak.js
new file mode 100644
index 0000000..3910ac8
--- /dev/null
+++ b/eslint/tests/lib/rules/operator-linebreak.js
@@ -0,0 +1,633 @@
+/**
+ * @fileoverview Operator linebreak rule tests
+ * @author Benoît Zugmeyer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/operator-linebreak"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("operator-linebreak", rule, {
+
+    valid: [
+        "1 + 1",
+        "1 + 1 + 1",
+        "1 +\n1",
+        "1 + (1 +\n1)",
+        "f(1 +\n1)",
+        "1 || 1",
+        "1 || \n1",
+        "a += 1",
+        "var a;",
+        "var o = \nsomething",
+        "o = \nsomething",
+        "'a\\\n' +\n 'c'",
+        "'a' +\n 'b\\\n'",
+        "(a\n) + b",
+        "answer = everything \n?  42 \n:  foo;",
+        { code: "answer = everything ?\n  42 :\n  foo;", options: ["after"] },
+
+        { code: "a ? 1 + 1\n:2", options: [null, { overrides: { "?": "after" } }] },
+        { code: "a ?\n1 +\n 1\n:2", options: [null, { overrides: { "?": "after" } }] },
+        { code: "o = 1 \n+ 1 - foo", options: [null, { overrides: { "+": "before" } }] },
+
+        { code: "1\n+ 1", options: ["before"] },
+        { code: "1 + 1\n+ 1", options: ["before"] },
+        { code: "f(1\n+ 1)", options: ["before"] },
+        { code: "1 \n|| 1", options: ["before"] },
+        { code: "a += 1", options: ["before"] },
+        { code: "answer = everything \n?  42 \n:  foo;", options: ["before"] },
+
+        { code: "1 + 1", options: ["none"] },
+        { code: "1 + 1 + 1", options: ["none"] },
+        { code: "1 || 1", options: ["none"] },
+        { code: "a += 1", options: ["none"] },
+        { code: "var a;", options: ["none"] },
+        { code: "\n1 + 1", options: ["none"] },
+        { code: "1 + 1\n", options: ["none"] },
+        { code: "answer = everything ? 42 : foo;", options: ["none"] },
+        { code: "answer = everything \n?\n 42 : foo;", options: [null, { overrides: { "?": "ignore" } }] },
+        { code: "answer = everything ? 42 \n:\n foo;", options: [null, { overrides: { ":": "ignore" } }] }
+    ],
+
+    invalid: [
+        {
+            code: "1\n+ 1",
+            output: "1 +\n1",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "1 + 2 \n + 3",
+            output: "1 + 2 + \n 3",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "1\n+\n1",
+            output: "1+\n1",
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "1 + (1\n+ 1)",
+            output: "1 + (1 +\n1)",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "f(1\n+ 1);",
+            output: "f(1 +\n1);",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "1 \n || 1",
+            output: "1 || \n 1",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a\n += 1",
+            output: "a +=\n 1",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+=" },
+                type: "AssignmentExpression",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "var a\n = 1",
+            output: "var a =\n 1",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "(b)\n*\n(c)",
+            output: "(b)*\n(c)",
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: "*" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "answer = everything ?\n  42 :\n  foo;",
+            output: "answer = everything\n  ? 42\n  : foo;",
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 21,
+                endLine: 1,
+                endColumn: 22
+            },
+            {
+                messageId: "operatorAtBeginning",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 2,
+                column: 6,
+                endLine: 2,
+                endColumn: 7
+            }]
+        },
+
+        {
+            code: "answer = everything \n?  42 \n:  foo;",
+            output: "answer = everything  ? \n42  : \nfoo;",
+            options: ["after"],
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            },
+            {
+                messageId: "operatorAtEnd",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 3,
+                column: 1,
+                endLine: 3,
+                endColumn: 2
+            }]
+        },
+
+        {
+            code: "1 +\n1",
+            output: "1\n+ 1",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "f(1 +\n1);",
+            output: "f(1\n+ 1);",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "1 || \n 1",
+            output: "1 \n || 1",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "a += \n1",
+            output: "a \n+= 1",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "+=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "var a = \n1",
+            output: "var a \n= 1",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 7,
+                endLine: 1,
+                endColumn: 8
+            }]
+        },
+        {
+            code: "answer = everything ?\n  42 :\n  foo;",
+            output: "answer = everything\n  ? 42\n  : foo;",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 21,
+                endLine: 1,
+                endColumn: 22
+            },
+            {
+                messageId: "operatorAtBeginning",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 2,
+                column: 6,
+                endLine: 2,
+                endColumn: 7
+            }]
+        },
+
+        {
+            code: "1 +\n1",
+            output: "1 +1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "1\n+1",
+            output: "1+1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "f(1 +\n1);",
+            output: "f(1 +1);",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "f(1\n+ 1);",
+            output: "f(1+ 1);",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "1 || \n 1",
+            output: "1 ||  1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "1 \n || 1",
+            output: "1  || 1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a += \n1",
+            output: "a += 1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 3,
+                endLine: 1,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "a \n+= 1",
+            output: "a += 1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+=" },
+                type: "AssignmentExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "var a = \n1",
+            output: "var a = 1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 7,
+                endLine: 1,
+                endColumn: 8
+            }]
+        },
+        {
+            code: "var a \n = 1",
+            output: "var a  = 1",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 2,
+                column: 2,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "answer = everything ?\n  42 \n:  foo;",
+            output: "answer = everything ?  42 :  foo;",
+            options: ["none"],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 21,
+                endLine: 1,
+                endColumn: 22
+            },
+            {
+                messageId: "noLinebreak",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 3,
+                column: 1,
+                endLine: 3,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "answer = everything\n?\n42 + 43\n:\nfoo;",
+            output: "answer = everything?42 + 43:foo;",
+            options: ["none"],
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            },
+            {
+                messageId: "badLinebreak",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 4,
+                column: 1,
+                endLine: 4,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "a = b \n  >>> \n c;",
+            output: "a = b   >>> \n c;",
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: ">>>" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 3,
+                endLine: 2,
+                endColumn: 6
+            }]
+        },
+        {
+            code: "foo +=\n42;\nbar -=\n12\n+ 5;",
+            output: "foo +=42;\nbar -=\n12\n+ 5;",
+            options: ["after", { overrides: { "+=": "none", "+": "before" } }],
+            errors: [{
+                messageId: "noLinebreak",
+                data: { operator: "+=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 7
+            }]
+        },
+        {
+            code: "answer = everything\n?\n42\n:\nfoo;",
+            output: "answer = everything\n?\n42\n:foo;",
+            options: ["after", { overrides: { "?": "ignore", ":": "before" } }],
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 4,
+                column: 1,
+                endLine: 4,
+                endColumn: 2
+            }]
+        },
+        {
+
+            // Insert an additional space to avoid changing the operator to ++ or --.
+            code: "foo+\n+bar",
+            output: "foo\n+ +bar",
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 4,
+                endLine: 1,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "foo //comment\n&& bar",
+            output: "foo && //comment\nbar",
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "&&" },
+                type: "LogicalExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "foo//comment\n+\nbar",
+            output: null,
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "foo\n+//comment\nbar",
+            output: null,
+            options: ["before"],
+            errors: [{
+                messageId: "badLinebreak",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "foo /* a */ \n+ /* b */ bar",
+            output: null, // Not fixed because there is a comment on both sides
+            errors: [{
+                messageId: "operatorAtEnd",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 2
+            }]
+        },
+        {
+            code: "foo /* a */ +\n /* b */ bar",
+            output: null, // Not fixed because there is a comment on both sides
+            options: ["before"],
+            errors: [{
+                messageId: "operatorAtBeginning",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 13,
+                endLine: 1,
+                endColumn: 14
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/padded-blocks.js b/eslint/tests/lib/rules/padded-blocks.js
new file mode 100644
index 0000000..99d2e0a
--- /dev/null
+++ b/eslint/tests/lib/rules/padded-blocks.js
@@ -0,0 +1,605 @@
+/**
+ * @fileoverview Tests for padded-blocks rule.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/padded-blocks"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("padded-blocks", rule, {
+    valid: [
+        "{\n\na();\n\n}",
+        "{\n\n\na();\n\n\n}",
+        "{\n\n//comment\na();\n\n}",
+        "{\n\na();\n//comment\n\n}",
+        "{\n\na()\n//comment\n\n}",
+        "{\n\na = 1\n\n}",
+        "{//comment\n\na();\n\n}",
+        "{ /* comment */\n\na();\n\n}",
+        "{ /* comment \n */\n\na();\n\n}",
+        "{ /* comment \n */ /* another comment \n */\n\na();\n\n}",
+        "{ /* comment \n */ /* another comment \n */\n\na();\n\n/* comment \n */ /* another comment \n */}",
+
+        "{\n\na();\n\n/* comment */ }",
+        { code: "{\n\na();\n\n/* comment */ }", options: ["always"] },
+        { code: "{\n\na();\n\n/* comment */ }", options: [{ blocks: "always" }] },
+
+        { code: "switch (a) {}", options: [{ switches: "always" }] },
+        { code: "switch (a) {\n\ncase 0: foo();\ncase 1: bar();\n\n}", options: ["always"] },
+        { code: "switch (a) {\n\ncase 0: foo();\ncase 1: bar();\n\n}", options: [{ switches: "always" }] },
+        { code: "switch (a) {\n\n//comment\ncase 0: foo();//comment\n\n}", options: [{ switches: "always" }] },
+        { code: "switch (a) {//comment\n\ncase 0: foo();\ncase 1: bar();\n\n/* comment */}", options: [{ switches: "always" }] },
+
+        { code: "class A{\n\nfoo(){}\n\n}", parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{\n\nfoo(){}\n\n}", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{}", options: [{ classes: "always" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{\n\n}", options: [{ classes: "always" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{\n\nfoo(){}\n\n}", options: [{ classes: "always" }], parserOptions: { ecmaVersion: 6 } },
+
+        { code: "{\na();\n}", options: ["never"] },
+        { code: "{\na();}", options: ["never"] },
+        { code: "{a();\n}", options: ["never"] },
+        { code: "{a();}", options: ["never"] },
+        { code: "{a();}", options: ["always", { allowSingleLineBlocks: true }] },
+        { code: "{\n\na();\n\n}", options: ["always", { allowSingleLineBlocks: true }] },
+        { code: "{//comment\na();}", options: ["never"] },
+        { code: "{\n//comment\na()\n}", options: ["never"] },
+        { code: "{a();//comment\n}", options: ["never"] },
+        { code: "{\na();\n//comment\n}", options: ["never"] },
+        { code: "{\na()\n//comment\n}", options: ["never"] },
+        { code: "{\na()\n//comment\nb()\n}", options: ["never"] },
+        { code: "function a() {\n/* comment */\nreturn;\n/* comment*/\n}", options: ["never"] },
+        { code: "{\n// comment\ndebugger;\n// comment\n}", options: ["never"] },
+        { code: "{\n\n// comment\nif (\n// comment\n a) {}\n\n }", options: ["always"] },
+        { code: "{\n// comment\nif (\n// comment\n a) {}\n }", options: ["never"] },
+        { code: "{\n// comment\nif (\n// comment\n a) {}\n }", options: [{ blocks: "never" }] },
+
+        { code: "switch (a) {\ncase 0: foo();\n}", options: ["never"] },
+        { code: "switch (a) {\ncase 0: foo();\n}", options: [{ switches: "never" }] },
+
+
+        { code: "class A{\nfoo(){}\n}", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{\nfoo(){}\n}", options: [{ classes: "never" }], parserOptions: { ecmaVersion: 6 } },
+
+        // Ignore block statements if not configured
+        { code: "{\na();\n}", options: [{ switches: "always" }] },
+        { code: "{\n\na();\n\n}", options: [{ switches: "never" }] },
+
+        // Ignore switch statements if not configured
+        { code: "switch (a) {\ncase 0: foo();\ncase 1: bar();\n}", options: [{ blocks: "always", classes: "always" }] },
+        { code: "switch (a) {\n\ncase 0: foo();\ncase 1: bar();\n\n}", options: [{ blocks: "never", classes: "never" }] },
+
+
+        // Ignore class statements if not configured
+        { code: "class A{\nfoo(){}\n}", options: [{ blocks: "always" }], parserOptions: { ecmaVersion: 6 } },
+        { code: "class A{\n\nfoo(){}\n\n}", options: [{ blocks: "never" }], parserOptions: { ecmaVersion: 6 } }
+
+    ],
+    invalid: [
+        {
+            code: "{\n//comment\na();\n\n}",
+            output: "{\n\n//comment\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{ //comment\na();\n\n}",
+            output: "{ //comment\n\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "{\n\na();\n//comment\n}",
+            output: "{\n\na();\n//comment\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{\n\na()\n//comment\n}",
+            output: "{\n\na()\n//comment\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{\na();\n\n}",
+            output: "{\n\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "{\n\na();\n}",
+            output: "{\n\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 4
+                }
+            ]
+        },
+        {
+            code: "{\na();\n}",
+            output: "{\n\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 3
+                }
+            ]
+        },
+        {
+            code: "{\r\na();\r\n}",
+            output: "{\n\r\na();\r\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 3
+                }
+            ]
+        },
+        {
+            code: "{\na();}",
+            output: "{\n\na();\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "{a();\n}",
+            output: "{\na();\n\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "{a();\n}",
+            output: "{\na();\n\n}",
+            options: [{ blocks: "always" }],
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 2
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\ncase 0: foo();\ncase 1: bar();\n}",
+            output: "switch (a) {\n\ncase 0: foo();\ncase 1: bar();\n\n}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\ncase 0: foo();\ncase 1: bar();\n}",
+            output: "switch (a) {\n\ncase 0: foo();\ncase 1: bar();\n\n}",
+            options: [{ switches: "always" }],
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\n//comment\ncase 0: foo();//comment\n}",
+            output: "switch (a) {\n\n//comment\ncase 0: foo();//comment\n\n}",
+            options: [{ switches: "always" }],
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 4,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "class A {\nconstructor(){}\n}",
+            output: "class A {\n\nconstructor(){}\n\n}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 9
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "class A {\nconstructor(){}\n}",
+            output: "class A {\n\nconstructor(){}\n\n}",
+            options: [{ classes: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 9
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 3,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{a();}",
+            output: "{\na();\n}",
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "{\na()\n//comment\n\n}",
+            output: "{\na()\n//comment\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 5
+                }
+            ]
+        },
+        {
+            code: "{\n\na();\n\n}",
+            output: "{\na();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 5
+                }
+            ]
+        },
+        {
+            code: "{\r\n\r\na();\r\n\r\n}",
+            output: "{\na();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 5
+                }
+            ]
+        },
+        {
+            code: "{\n\n\n  a();\n\n\n}",
+            output: "{\n  a();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 7
+                }
+            ]
+        },
+        {
+            code: "{\n\na();\n}",
+            output: "{\na();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "{\n\n\ta();\n}",
+            output: "{\n\ta();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                }
+            ]
+        },
+        {
+            code: "{\na();\n\n}",
+            output: "{\na();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 4
+                }
+            ]
+        },
+        {
+            code: "  {\n    a();\n\n  }",
+            output: "  {\n    a();\n  }",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 4
+                }
+            ]
+        },
+        {
+            code: "{\n// comment\nif (\n// comment\n a) {}\n\n}",
+            output: "{\n\n// comment\nif (\n// comment\n a) {}\n\n}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "alwaysPadBlock",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{\n\n// comment\nif (\n// comment\n a) {}\n}",
+            output: "{\n// comment\nif (\n// comment\n a) {}\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "{\n\n// comment\nif (\n// comment\n a) {}\n}",
+            output: "{\n// comment\nif (\n// comment\n a) {}\n}",
+            options: [{ blocks: "never" }],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\n\ncase 0: foo();\n\n}",
+            output: "switch (a) {\ncase 0: foo();\n}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1,
+                    column: 12
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 5,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\n\ncase 0: foo();\n}",
+            output: "switch (a) {\ncase 0: foo();\n}",
+            options: [{ switches: "never" }],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1,
+                    column: 12
+                }
+            ]
+        },
+        {
+            code: "switch (a) {\ncase 0: foo();\n\n  }",
+            output: "switch (a) {\ncase 0: foo();\n  }",
+            options: [{ switches: "never" }],
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 4,
+                    column: 3
+                }
+            ]
+        },
+        {
+            code: "class A {\n\nconstructor(){\n\nfoo();\n\n}\n\n}",
+            output: "class A {\nconstructor(){\nfoo();\n}\n}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 3
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 7
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 9
+                }
+            ]
+        },
+        {
+            code: "class A {\n\nconstructor(){\n\nfoo();\n\n}\n\n}",
+            output: "class A {\nconstructor(){\n\nfoo();\n\n}\n}",
+            options: [{ classes: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 9
+                }
+            ]
+        },
+        {
+            code: "class A {\n\nconstructor(){\n\nfoo();\n\n}\n\n}",
+            output: "class A {\nconstructor(){\nfoo();\n}\n}",
+            options: [{ blocks: "never", classes: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "neverPadBlock",
+                    line: 1
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 3
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 7
+                },
+                {
+                    messageId: "neverPadBlock",
+                    line: 9
+                }
+            ]
+        },
+        {
+            code: "function foo() { // a\n\n  b;\n}",
+            output: "function foo() { // a\n  b;\n}",
+            options: ["never"],
+            errors: [{ messageId: "neverPadBlock" }]
+        },
+        {
+            code: "function foo() { /* a\n */\n\n  bar;\n}",
+            output: "function foo() { /* a\n */\n  bar;\n}",
+            options: ["never"],
+            errors: [{ messageId: "neverPadBlock" }]
+        },
+        {
+            code: "function foo() {\n\n  bar;\n/* a\n */}",
+            output: "function foo() {\n\n  bar;\n\n/* a\n */}",
+            options: ["always"],
+            errors: [{ messageId: "alwaysPadBlock" }]
+        },
+        {
+            code: "function foo() { /* a\n */\n/* b\n */\n  bar;\n}",
+            output: "function foo() { /* a\n */\n\n/* b\n */\n  bar;\n\n}",
+            options: ["always"],
+            errors: [{ messageId: "alwaysPadBlock" }, { messageId: "alwaysPadBlock" }]
+        },
+        {
+            code: "function foo() { /* a\n */ /* b\n */\n  bar;\n}",
+            output: "function foo() { /* a\n */ /* b\n */\n\n  bar;\n\n}",
+            options: ["always"],
+            errors: [{ messageId: "alwaysPadBlock" }, { messageId: "alwaysPadBlock" }]
+        },
+        {
+            code: "function foo() { /* a\n */ /* b\n */\n  bar;\n/* c\n *//* d\n */}",
+            output: "function foo() { /* a\n */ /* b\n */\n\n  bar;\n\n/* c\n *//* d\n */}",
+            options: ["always"],
+            errors: [{ messageId: "alwaysPadBlock" }, { messageId: "alwaysPadBlock" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/padding-line-between-statements.js b/eslint/tests/lib/rules/padding-line-between-statements.js
new file mode 100644
index 0000000..e553610
--- /dev/null
+++ b/eslint/tests/lib/rules/padding-line-between-statements.js
@@ -0,0 +1,4965 @@
+/**
+ * @fileoverview Tests for padding-line-between-statements rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/padding-line-between-statements");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2017 } });
+
+ruleTester.run("padding-line-between-statements", rule, {
+    valid: [
+
+        // do nothing if no options.
+        "'use strict'; foo(); if (a) { bar(); }",
+
+        // do nothing for single statement.
+        {
+            code: "foo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo()",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // wildcard
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo();bar();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\nbar();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n//comment\nbar();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n/*comment*/\nbar();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n\nbar();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n\n//comment\nbar();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n//comment\n\nbar();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "foo();\n//comment\n\n//comment\nbar();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ]
+        },
+        {
+            code: "if(a){}\n\n;[].map(b)",
+            options: [
+                { blankLine: "always", prev: "if", next: "*" },
+                { blankLine: "never", prev: "empty", next: "*" }
+            ]
+        },
+
+
+        //----------------------------------------------------------------------
+        // block-like
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo();\n\n{ foo() }\n\nfoo();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" },
+                { blankLine: "never", prev: "block-like", next: "block-like" }
+            ]
+        },
+        {
+            code: "{ foo() } { foo() }",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" },
+                { blankLine: "never", prev: "block-like", next: "block-like" }
+            ]
+        },
+        {
+            code: "{ foo() }\n{ foo() }",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" },
+                { blankLine: "never", prev: "block-like", next: "block-like" }
+            ]
+        },
+        {
+            code: "{ foo() }\n\n{ foo() }",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "block-like" }
+            ]
+        },
+        {
+            code: "{ foo() }\n\n//comment\n{ foo() }",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "block-like" }
+            ]
+        },
+        {
+            code: "if(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "do;while(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "do{}while(a);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "a={}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "let a={}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "foo(function(){})\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "(function(){})()\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "!function(){}()\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // cjs-export
+        //----------------------------------------------------------------------
+
+        {
+            code: "module.exports=1",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+        {
+            code: "module.exports=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+        {
+            code: "module.exports.foo=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+        {
+            code: "exports.foo=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+        {
+            code: "m.exports=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+        {
+            code: "module.foo=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // cjs-import
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo=require(\"foo\")\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-import", next: "*" }
+            ]
+        },
+        {
+            code: "const foo=a.require(\"foo\")\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "cjs-import", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // directive
+        //----------------------------------------------------------------------
+
+        {
+            code: "\"use strict\"\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "function foo(){\"use strict\"\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "(function foo(){\"use strict\"\n\nfoo()})",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "(()=>{\"use strict\"\n\nfoo()})",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "'use strict'\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "foo(\"use strict\")\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "`use strict`\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "(\"use strict\")\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "'use '+'strict'\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "foo()\n\"use strict\"\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+        {
+            code: "{\"use strict\"\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "directive", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-block-like
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(a){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "while(a){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "{\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "while(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "do{\n}while(a)\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "for(;;){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "for(a in b){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "for(a of b){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "switch(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "function foo(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "var a=function foo(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // block
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block", next: "*" }
+            ]
+        },
+        {
+            code: "{\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block", next: "*" }
+            ]
+        },
+        {
+            code: "{\nfoo()\n}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block", next: "*" }
+            ]
+        },
+        {
+            code: "if(a){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block", next: "*" }
+            ]
+        },
+        {
+            code: "a={}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "block", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // empty
+        //----------------------------------------------------------------------
+
+        {
+            code: ";\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "empty", next: "*" }
+            ]
+        },
+        {
+            code: "1;\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "empty", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // expression
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo()\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "expression", next: "*" }
+            ]
+        },
+        {
+            code: "a=b+c\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "expression", next: "*" }
+            ]
+        },
+        {
+            code: "var a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "expression", next: "*" }
+            ]
+        },
+        {
+            code: "'use strict'\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "expression", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-expression
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo()\n\nfoo(\n\tx,\n\ty\n)",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-expression" }
+            ]
+        },
+        {
+            code: "foo()\nfoo()",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-expression" }
+            ]
+        },
+        {
+            code: "() => {\n\tsomeArray.forEach(x => doSomething(x));\n\treturn theThing;\n}",
+            options: [
+                { blankLine: "always", prev: "multiline-expression", next: "return" }
+            ]
+        },
+        {
+            code: "() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\n\treturn theThing;\n}",
+            options: [
+                { blankLine: "always", prev: "multiline-expression", next: "return" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // break
+        //----------------------------------------------------------------------
+
+        {
+            code: "A:{break A\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "break", next: "*" }
+            ]
+        },
+        {
+            code: "while(a){break\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "break", next: "*" }
+            ]
+        },
+        {
+            code: "switch(a){case 0:break\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "break", next: "*" }
+            ]
+        },
+        {
+            code: "switch(a){case 0:break\ncase 1:break}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "break", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // case
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){case 0:\nfoo()\n\ncase 1:\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "case", next: "*" }
+            ]
+        },
+        {
+            code: "switch(a){case 0:\nfoo()\n\ndefault:\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "case", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // class
+        //----------------------------------------------------------------------
+
+        {
+            code: "class A{}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "class", next: "*" }
+            ]
+        },
+        {
+            code: "var A = class{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "class", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "const", next: "*" }
+            ]
+        },
+        {
+            code: "let a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "const", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // continue
+        //----------------------------------------------------------------------
+
+        {
+            code: "while(a){continue\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "continue", next: "*" }
+            ]
+        },
+        {
+            code: "while(a){break\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "continue", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // debugger
+        //----------------------------------------------------------------------
+
+        {
+            code: "debugger\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "debugger", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // default
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){default:\nfoo()\n\ncase 0:\nfoo()\ncase 1:}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "default", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // do
+        //----------------------------------------------------------------------
+
+        {
+            code: "do;while(a)\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "do", next: "*" }
+            ]
+        },
+        {
+            code: "while(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "do", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // export
+        //----------------------------------------------------------------------
+
+        {
+            code: "export default 1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export let a=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "var a = 0; export {a}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "exports.foo=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "module.exports={}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+
+        //----------------------------------------------------------------------
+        // for
+        //----------------------------------------------------------------------
+
+        {
+            code: "for(;;);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "for", next: "*" }
+            ]
+        },
+        {
+            code: "for(a in b);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "for", next: "*" }
+            ]
+        },
+        {
+            code: "for(a of b);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "for", next: "*" }
+            ]
+        },
+        {
+            code: "while(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "for", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // function
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo(){}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "function", next: "*" }
+            ]
+        },
+        {
+            code: "var foo=function(){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "function", next: "*" }
+            ]
+        },
+        {
+            code: "async function foo(){}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "function", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // if
+        //----------------------------------------------------------------------
+
+        {
+            code: "if(a);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "if", next: "*" }
+            ]
+        },
+        {
+            code: "if(a);else;\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "if", next: "*" }
+            ]
+        },
+        {
+            code: "if(a);else if(b);else;\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "if", next: "*" }
+            ]
+        },
+        {
+            code: "for(;;);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "if", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // iife
+        //----------------------------------------------------------------------
+
+        {
+            code: "(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "iife", next: "*" }
+            ]
+        },
+        {
+            code: "+(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "iife", next: "*" }
+            ]
+        },
+        {
+            code: "(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "iife", next: "*" }
+            ]
+        },
+        {
+            code: "+(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "iife", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // import
+        //----------------------------------------------------------------------
+
+        {
+            code: "import 'a'\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import a from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import * as a from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "import {a} from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "const a=require('a')\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+
+        //----------------------------------------------------------------------
+        // let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "let", next: "*" }
+            ]
+        },
+        {
+            code: "var a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "let", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // return
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo(){return\n\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "return", next: "*" }
+            ]
+        },
+        {
+            code: "throw a\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "return", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // switch
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "switch", next: "*" }
+            ]
+        },
+        {
+            code: "if(a){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "switch", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // throw
+        //----------------------------------------------------------------------
+
+        {
+            code: "throw a\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "throw", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // try
+        //----------------------------------------------------------------------
+
+        {
+            code: "try{}catch(e){}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "try", next: "*" }
+            ]
+        },
+        {
+            code: "try{}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "try", next: "*" }
+            ]
+        },
+        {
+            code: "try{}catch(e){}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "try", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a=1\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "var", next: "*" }
+            ]
+        },
+        {
+            code: "const a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "var", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // while
+        //----------------------------------------------------------------------
+
+        {
+            code: "while(a);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "while", next: "*" }
+            ]
+        },
+        {
+            code: "do;while(a)\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "while", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // with
+        //----------------------------------------------------------------------
+
+        {
+            code: "with(a);\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "with", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a={\nb:1,\nc:2\n}\n\nconst d=3",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-const", next: "*" }
+            ]
+        },
+        {
+            code: "const a=1\n\nconst b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-const" }
+            ]
+        },
+        {
+            code: "const a=1\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-const", next: "*" }
+            ]
+        },
+        {
+            code: "const a=1\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-const" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a={\nb:1,\nc:2\n}\n\nlet d=3",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-let", next: "*" }
+            ]
+        },
+        {
+            code: "let a=1\n\nlet b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-let" }
+            ]
+        },
+        {
+            code: "let a=1\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-let", next: "*" }
+            ]
+        },
+        {
+            code: "let a=1\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-let" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a={\nb:1,\nc:2\n}\n\nvar d=3",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-var", next: "*" }
+            ]
+        },
+        {
+            code: "var a=1\n\nvar b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-var" }
+            ]
+        },
+        {
+            code: "var a=1\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "multiline-var", next: "*" }
+            ]
+        },
+        {
+            code: "var a=1\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "multiline-var" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a=1\n\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-const", next: "*" }
+            ]
+        },
+        {
+            code: "const a=1\n\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-const" }
+            ]
+        },
+        {
+            code: "const a={\nb:1,\nc:2\n}\nconst d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-const", next: "*" }
+            ]
+        },
+        {
+            code: "const a={\nb:1,\nc:2\n}\nconst d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-const" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a=1\n\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-let", next: "*" }
+            ]
+        },
+        {
+            code: "let a=1\n\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-let" }
+            ]
+        },
+        {
+            code: "let a={\nb:1,\nc:2\n}\nlet d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-let", next: "*" }
+            ]
+        },
+        {
+            code: "let a={\nb:1,\nc:2\n}\nlet d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-let" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a=1\n\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-var", next: "*" }
+            ]
+        },
+        {
+            code: "var a=1\n\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-var" }
+            ]
+        },
+        {
+            code: "var a={\nb:1,\nc:2\n}\nvar d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "singleline-var", next: "*" }
+            ]
+        },
+        {
+            code: "var a={\nb:1,\nc:2\n}\nvar d={\ne:3,\nf:4\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "*", next: "singleline-var" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // Tests from newline-after-var
+        //----------------------------------------------------------------------
+
+        // should skip rule entirely
+        {
+            code: "console.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "console.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should ignore a `var` with no following token
+        {
+            code: "var greet = 'hello';",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow no line break in "never" mode
+        {
+            code: "var greet = 'hello';console.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow no blank line in "never" mode
+        {
+            code: "var greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow one blank line in "always" mode
+        {
+            code: "var greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow two or more blank lines in "always" mode
+        {
+            code: "var greet = 'hello';\n\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n\n\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow trailing whitespace after the `var`
+        {
+            code: "var greet = 'hello';    \n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';    \nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow inline comments after the `var`
+        {
+            code: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow a comment on the next line in "never" mode
+        {
+            code: "var greet = 'hello';\n// next-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow comments on the next line followed by a blank in "always" mode
+        {
+            code: "var greet = 'hello';\n// next-line comment\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n/* block comment\nblock comment */\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n// next-line comment\n// second-line comment\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow comments on the next line followed by no blank in "never" mode
+        {
+            code: "var greet = 'hello';\n// next-line comment\n// second-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow another `var` statement to follow without blank line
+        {
+            code: "var greet = 'hello';var name = 'world';console.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should allow a comment directly between `var` statements
+        {
+            code: "var greet = 'hello';\n// inline comment\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n// inline comment\nvar name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle single `var` statement with multiple declarations
+        {
+            code: "var greet = 'hello', name = 'world';console.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle single `var` statement with multi-line declaration
+        {
+            code: "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\n// next-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle ES6 `let` block binding
+        {
+            code: "let greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "let greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle ES6 `const` block binding
+        {
+            code: "const greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "const greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle a mix of `var`, `let`, or `const`
+        {
+            code: "let greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "const greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "let greet = 'hello';\nconst name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle a mix of `var` or `let` inside for variations
+        {
+            code: "for(let a = 1; a < 1; a++){\n break;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(var a = 1; a < 1; a++){\n break;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(let a = 1; a < 1; a++){\n break;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(var a = 1; a < 1; a++){\n break;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(let a in obj){\n break;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(var a in obj){\n break;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(let a in obj){\n break;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "for(var a in obj){\n break;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle export specifiers
+        {
+            code: "export let a = 1;\nexport let b = 2;",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export let a = 1;\nexport let b = 2;",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export var a = 1;\nexport var b = 2;",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export var a = 1;\nexport var b = 2;",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export const a = 1;\nexport const b = 2;",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export const a = 1;\nexport const b = 2;",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+
+        // should allow no blank line at end of block
+        {
+            code: "function example() {\nvar greet = 'hello'\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "function example() {\nvar greet = 'hello'\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "function example() {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var f = function() {\nvar greet = 'hello'\n};",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var f = function() {\nvar greet = 'hello'\n};",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "var f = function() {\nvar greet = 'hello';\nconsole.log(greet);\n};",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "() => {\nvar greet = 'hello';\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "() => {\nvar greet = 'hello';\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "() => {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "{\nvar foo;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "{\nvar foo;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "if(true) {\nvar foo;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "if(true) {\nvar foo;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\n}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // should handle one/no blank before case.
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\n\ncase 1:}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\ncase 1:}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/6834
+        {
+            code: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: `
+                var a = 1
+                ;
+                (b || c).doSomething();
+            `,
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\n\ncase 1:}",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: "switch(a) {\ncase 0:\nvar foo;\ncase 1:}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+        {
+            code: `
+                var a = 1
+
+                ;
+                (b || c).doSomething();
+            `,
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // Tests from newline-before-return
+        //----------------------------------------------------------------------
+
+        {
+            code: "function a() {\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nvar b;\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) { return; }\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\nreturn;\n}\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\n\nreturn;\n}\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (!b) {\nreturn;\n} else {\nreturn b;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (!b) {\nreturn;\n} else {\n\nreturn b;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n\nreturn a;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse return d;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\nreturn d;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nwhile (b) return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n while (b) \nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n while (b) { return; }\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n while (b) {\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n while (b) {\nc();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo return;\nwhile (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo \nreturn;\nwhile (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo { return; } while (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo { return; }\nwhile (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo {\nreturn;\n} while (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++)\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b in c)\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b in c) { return; }\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b in c) {\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b of c) return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b of c)\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nswitch (b) {\ncase 'b': return;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nswitch (b) {\ncase 'b':\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nswitch (b) {\ncase 'b': {\nreturn;\n}\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n//comment\nreturn b;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n{\n//comment\n}\n\nreturn\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nvar b = {\n//comment\n};\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {/*multi-line\ncomment*/return b;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n/*comment\ncomment*/\n//comment\nreturn b;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n/*comment\ncomment*/\n//comment\nif (b) return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\n/*comment\ncomment*/\n//comment\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\nreturn d;\n}\n\n/*multi-line\ncomment*/\nreturn e;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) { //comment\nreturn;\n}\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) { return; } //comment\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "function a() {\nif (b) { return; }\n\n/*multi-line\ncomment*/ return c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ]
+        },
+        {
+            code: "return;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "var a;\n\nreturn;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "// comment\nreturn;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "/* comment */\nreturn;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+        {
+            code: "/* multi-line\ncomment */\nreturn;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } }
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS disallowPaddingNewLinesAfterBlocks
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-after-blocks.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "if(true){}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}\n",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){\nif(true) {}\n}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "var a = {\nfoo: function() {\n},\nbar: function() {\n}}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n}\nelse\n{\n}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n} else {\n var a = 2; }",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n}\nelse if(true)\n{\n}\nelse {\n}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "do{\n}\nwhile(true)",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\ncatch(e) {}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\nfinally {}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\ncatch(e) {\n}\nfinally {\n}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "[].map(function() {})\n.filter(function(){})",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS disallowPaddingNewLinesBeforeExport
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-export.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a = 2;\nmodule.exports = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "module.exports = 2;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\n// foo\nmodule.exports = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+
+        /*
+         * TODO: May it need an option to ignore blank lines followed by comments?
+         * {
+         *     code: "var a = 2;\n\n// foo\nmodule.exports = a;",
+         *     options: [
+         *         { blankLine: "never", prev: "*", next: "cjs-export" }
+         *     ]
+         * },
+         */
+        {
+            code: "var a = 2;\n\nfoo.exports = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\n\nmodule.foo = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\n\nfoo = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewLinesAfterBlocks
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-after-blocks.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}\n",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){}\n\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true){\nif(true) {}\n}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "var a = {\nfoo: function() {\n},\n\nbar: function() {\n}}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n}\nelse\n{\n}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n} else {\n var a = 2; }",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "if(true) {\n}\nelse if(true)\n{\n}\nelse {\n}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "do{\n}\nwhile(true)",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\ncatch(e) {}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\nfinally {}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "try{\n}\ncatch(e) {\n}\nfinally {\n}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "[].map(function() {})\n.filter(function(){})",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "func(\n2,\n3,\nfunction() {\n}\n)",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "[\n2,\n3,\nfunction() {\n}\n]",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "a(res => {\n})\n.b();",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ]
+        },
+        {
+            code: "var foo = (\n<div\nref={function() {\n}}\n>\nfoo\n</div>\n);",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            parserOptions: { ecmaFeatures: { jsx: true } }
+        },
+        {
+            code: "var i = 0;\nwhile (i < 100) {\nif(i % 2 === 0) {continue;}\n++i;\n}",
+            options: [
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+        {
+            code: "var i = 0;\nwhile (i < 100) {\nif(i % 2 === 0) {if(i === 4) {continue;}}\n++i;\n}",
+            options: [
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewLinesBeforeExport
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-export.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "module.exports = 2;",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\n\nmodule.exports = a;",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\nfoo.exports = a;",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "var a = 2;\nmodule.foo = a;",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ]
+        },
+        {
+            code: "if (true) {\nmodule.exports = a;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewlinesBeforeKeywords
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-keywords.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "function x() { return; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ]
+        },
+        {
+            code: "if (true) {} else if (false) {}",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ]
+        },
+        {
+            code: "function x() { var a = true; do { a = !a; } while (a); }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ]
+        },
+        {
+            code: "function x() { if (true) return; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ]
+        },
+        {
+            code: "function test() {};",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "block-like" }
+            ]
+        }
+    ],
+    invalid: [
+
+        //----------------------------------------------------------------------
+        // wildcard
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo();\n\nfoo();",
+            output: "foo();\nfoo();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "foo();\n\n//comment\nfoo();",
+            output: "foo();\n//comment\nfoo();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "    foo();\n    \n    //comment\n    foo();",
+            output: "    foo();\n    //comment\n    foo();",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "if (a) {}\n\nfor (;;) {}",
+            output: "if (a) {}\nfor (;;) {}",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "foo();\nfoo();",
+            output: "foo();\n\nfoo();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "    function a() {}\n    do {} while (a)",
+            output: "    function a() {}\n\n    do {} while (a)",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "foo();//trailing-comment\n//comment\n//comment\nfoo();",
+            output: "foo();//trailing-comment\n\n//comment\n//comment\nfoo();",
+            options: [
+                { blankLine: "always", prev: "*", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // block-like
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}\n\nfoo()",
+            output: "{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "{}\nfoo()",
+            output: "{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){}\nfoo()",
+            output: "if(a){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){}else{}\nfoo()",
+            output: "if(a){}else{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){}else if(b){}\nfoo()",
+            output: "if(a){}else if(b){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){}else if(b){}else{}\nfoo()",
+            output: "if(a){}else if(b){}else{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "switch(a){}\nfoo()",
+            output: "switch(a){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "switch(a){case 0:}\nfoo()",
+            output: "switch(a){case 0:}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{}catch(e){}\nfoo()",
+            output: "try{}catch(e){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{}finally{}\nfoo()",
+            output: "try{}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{}catch(e){}finally{}\nfoo()",
+            output: "try{}catch(e){}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "while(a){}\nfoo()",
+            output: "while(a){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "do{}while(a)\nfoo()",
+            output: "do{}while(a)\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(;;){}\nfoo()",
+            output: "for(;;){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a in b){}\nfoo()",
+            output: "for(a in b){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a of b){}\nfoo()",
+            output: "for(a of b){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "a=function(){}\nfoo()",
+            output: "a=function(){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "a=()=>{}\nfoo()",
+            output: "a=()=>{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a(){}\nfoo()",
+            output: "function a(){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "let a=function(){}\nfoo()",
+            output: "let a=function(){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // cjs-export
+        //----------------------------------------------------------------------
+
+        {
+            code: "module.exports=1\n\nfoo()",
+            output: "module.exports=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "module.exports=1\nfoo()",
+            output: "module.exports=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "module.exports.foo=1\nfoo()",
+            output: "module.exports.foo=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "module.exports[foo]=1\nfoo()",
+            output: "module.exports[foo]=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "exports.foo=1\nfoo()",
+            output: "exports.foo=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "exports[foo]=1\nfoo()",
+            output: "exports[foo]=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-export", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // cjs-import
+        //----------------------------------------------------------------------
+
+        {
+            code: "const foo=require(\"foo\")\n\nfoo()",
+            output: "const foo=require(\"foo\")\nfoo()",
+            options: [
+                { blankLine: "never", prev: "cjs-import", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const foo=require(\"foo\")\nfoo()",
+            output: "const foo=require(\"foo\")\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-import", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "const foo=require(\"foo\").Foo\nfoo()",
+            output: "const foo=require(\"foo\").Foo\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-import", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "const foo=require(\"foo\")[a]\nfoo()",
+            output: "const foo=require(\"foo\")[a]\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "cjs-import", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // directive
+        //----------------------------------------------------------------------
+
+        {
+            code: "\"use strict\"\n\nfoo()",
+            output: "\"use strict\"\nfoo()",
+            options: [
+                { blankLine: "never", prev: "directive", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "\"use strict\"\nfoo()",
+            output: "\"use strict\"\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "directive", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "'use strict'\nfoo()",
+            output: "'use strict'\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "directive", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "'use asm'\nfoo()",
+            output: "'use asm'\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "directive", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-block-like
+        //----------------------------------------------------------------------
+
+        {
+            code: "{\n}\n\nfoo()",
+            output: "{\n}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "{\n}\nfoo()",
+            output: "{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){\n}\nfoo()",
+            output: "if(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){\n}else{\n}\nfoo()",
+            output: "if(a){\n}else{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){\n}else if(b){\n}\nfoo()",
+            output: "if(a){\n}else if(b){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a){\n}else if(b){\n}else{\n}\nfoo()",
+            output: "if(a){\n}else if(b){\n}else{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "switch(a){\n}\nfoo()",
+            output: "switch(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{\n}catch(e){\n}\nfoo()",
+            output: "try{\n}catch(e){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{\n}finally{\n}\nfoo()",
+            output: "try{\n}finally{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{\n}catch(e){\n}finally{\n}\nfoo()",
+            output: "try{\n}catch(e){\n}finally{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "while(a){\n}\nfoo()",
+            output: "while(a){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "do{\n}while(a)\nfoo()",
+            output: "do{\n}while(a)\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(;;){\n}\nfoo()",
+            output: "for(;;){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a in b){\n}\nfoo()",
+            output: "for(a in b){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a of b){\n}\nfoo()",
+            output: "for(a of b){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "a=function(){\n}\nfoo()",
+            output: "a=function(){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "a=()=>{\n}\nfoo()",
+            output: "a=()=>{\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a(){\n}\nfoo()",
+            output: "function a(){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "let a=function(){\n}\nfoo()",
+            output: "let a=function(){\n}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // block
+        //----------------------------------------------------------------------
+
+        {
+            code: "{}\n\nfoo()",
+            output: "{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "block", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "{}\nfoo()",
+            output: "{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "block", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // empty
+        //----------------------------------------------------------------------
+
+        {
+            code: ";\n\nfoo()",
+            output: ";\nfoo()",
+            options: [
+                { blankLine: "never", prev: "empty", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: ";\nfoo()",
+            output: ";\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "empty", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // expression
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo()\n\nfoo()",
+            output: "foo()\nfoo()",
+            options: [
+                { blankLine: "never", prev: "expression", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "foo()\nfoo()",
+            output: "foo()\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "expression", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-expression
+        //----------------------------------------------------------------------
+
+        {
+            code: "foo()\n\nfoo(\n\tx,\n\ty\n)",
+            output: "foo()\nfoo(\n\tx,\n\ty\n)",
+            options: [
+                { blankLine: "never", prev: "*", next: "multiline-expression" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "foo()\nfoo(\n\tx,\n\ty\n)",
+            output: "foo()\n\nfoo(\n\tx,\n\ty\n)",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-expression" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\treturn theThing;\n}",
+            output: "() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\n\treturn theThing;\n}",
+            options: [
+                { blankLine: "always", prev: "multiline-expression", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // break
+        //----------------------------------------------------------------------
+
+        {
+            code: "while(a){break\n\nfoo()}",
+            output: "while(a){break\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "break", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "switch(a){case 0:break\n\nfoo()}",
+            output: "switch(a){case 0:break\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "break", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "while(a){break\nfoo()}",
+            output: "while(a){break\n\nfoo()}",
+            options: [
+                { blankLine: "always", prev: "break", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "switch(a){case 0:break\nfoo()}",
+            output: "switch(a){case 0:break\n\nfoo()}",
+            options: [
+                { blankLine: "always", prev: "break", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // case
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){case 0:\nfoo()\n\ndefault:}",
+            output: "switch(a){case 0:\nfoo()\ndefault:}",
+            options: [
+                { blankLine: "never", prev: "case", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "switch(a){case 0:\nfoo()\ndefault:}",
+            output: "switch(a){case 0:\nfoo()\n\ndefault:}",
+            options: [
+                { blankLine: "always", prev: "case", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // class
+        //----------------------------------------------------------------------
+
+        {
+            code: "class A{}\n\nfoo()",
+            output: "class A{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "class", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "class A{}\nfoo()",
+            output: "class A{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "class", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a=1\n\nfoo()",
+            output: "const a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "const", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const a=1\nfoo()",
+            output: "const a=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "const", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // continue
+        //----------------------------------------------------------------------
+
+        {
+            code: "while(a){continue\n\nfoo()}",
+            output: "while(a){continue\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "continue", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "while(a){continue\nfoo()}",
+            output: "while(a){continue\n\nfoo()}",
+            options: [
+                { blankLine: "always", prev: "continue", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // debugger
+        //----------------------------------------------------------------------
+
+        {
+            code: "debugger\n\nfoo()",
+            output: "debugger\nfoo()",
+            options: [
+                { blankLine: "never", prev: "debugger", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "debugger\nfoo()",
+            output: "debugger\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "debugger", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // default
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){default:\nfoo()\n\ncase 0:}",
+            output: "switch(a){default:\nfoo()\ncase 0:}",
+            options: [
+                { blankLine: "never", prev: "default", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "switch(a){default:\nfoo()\ncase 0:}",
+            output: "switch(a){default:\nfoo()\n\ncase 0:}",
+            options: [
+                { blankLine: "always", prev: "default", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // do
+        //----------------------------------------------------------------------
+
+        {
+            code: "do;while(a)\n\nfoo()",
+            output: "do;while(a)\nfoo()",
+            options: [
+                { blankLine: "never", prev: "do", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "do;while(a)\nfoo()",
+            output: "do;while(a)\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "do", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // export
+        //----------------------------------------------------------------------
+
+        {
+            code: "export default 1\n\nfoo()",
+            output: "export default 1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "export let a=1\n\nfoo()",
+            output: "export let a=1\nfoo()",
+            options: [
+                { blankLine: "never", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a = 0;export {a}\n\nfoo()",
+            output: "var a = 0;export {a}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "export default 1\nfoo()",
+            output: "export default 1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "export let a=1\nfoo()",
+            output: "export let a=1\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a = 0;export {a}\nfoo()",
+            output: "var a = 0;export {a}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "export", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // for
+        //----------------------------------------------------------------------
+
+        {
+            code: "for(;;);\n\nfoo()",
+            output: "for(;;);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "for(a in b);\n\nfoo()",
+            output: "for(a in b);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "for(a of b);\n\nfoo()",
+            output: "for(a of b);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "for(;;);\nfoo()",
+            output: "for(;;);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a in b);\nfoo()",
+            output: "for(a in b);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "for(a of b);\nfoo()",
+            output: "for(a of b);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "for", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // function
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo(){}\n\nfoo()",
+            output: "function foo(){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "function", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "function foo(){}\nfoo()",
+            output: "function foo(){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "function", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "async function foo(){}\nfoo()",
+            output: "async function foo(){}\n\nfoo()",
+            options: [
+                { blankLine: "never", prev: "*", next: "*" },
+                { blankLine: "always", prev: "function", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // if
+        //----------------------------------------------------------------------
+
+        {
+            code: "if(a);\n\nfoo()",
+            output: "if(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "if", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "if(a);else;\n\nfoo()",
+            output: "if(a);else;\nfoo()",
+            options: [
+                { blankLine: "never", prev: "if", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "if(a);\nfoo()",
+            output: "if(a);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "if", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(a);else;\nfoo()",
+            output: "if(a);else;\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "if", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // iife
+        //----------------------------------------------------------------------
+
+        {
+            code: "(function(){\n})()\n\nvar a = 2;",
+            output: "(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "iife", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "+(function(){\n})()\n\nvar a = 2;",
+            output: "+(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "iife", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "(function(){\n})()\nvar a = 2;",
+            output: "(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "iife", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "+(function(){\n})()\nvar a = 2;",
+            output: "+(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "iife", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // import
+        //----------------------------------------------------------------------
+
+        {
+            code: "import a from 'a'\n\nfoo()",
+            output: "import a from 'a'\nfoo()",
+            options: [
+                { blankLine: "never", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "import * as a from 'a'\n\nfoo()",
+            output: "import * as a from 'a'\nfoo()",
+            options: [
+                { blankLine: "never", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "import {a} from 'a'\n\nfoo()",
+            output: "import {a} from 'a'\nfoo()",
+            options: [
+                { blankLine: "never", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "import a from 'a'\nfoo()",
+            output: "import a from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "import * as a from 'a'\nfoo()",
+            output: "import * as a from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "import {a} from 'a'\nfoo()",
+            output: "import {a} from 'a'\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "import", next: "*" }
+            ],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a\n\nfoo()",
+            output: "let a\nfoo()",
+            options: [
+                { blankLine: "never", prev: "let", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let a\nfoo()",
+            output: "let a\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "let", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // return
+        //----------------------------------------------------------------------
+
+        {
+            code: "function foo(){return\n\nfoo()}",
+            output: "function foo(){return\nfoo()}",
+            options: [
+                { blankLine: "never", prev: "return", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "function foo(){return\nfoo()}",
+            output: "function foo(){return\n\nfoo()}",
+            options: [
+                { blankLine: "always", prev: "return", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // switch
+        //----------------------------------------------------------------------
+
+        {
+            code: "switch(a){}\n\nfoo()",
+            output: "switch(a){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "switch", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "switch(a){}\nfoo()",
+            output: "switch(a){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "switch", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // throw
+        //----------------------------------------------------------------------
+
+        {
+            code: "throw a\n\nfoo()",
+            output: "throw a\nfoo()",
+            options: [
+                { blankLine: "never", prev: "throw", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "throw a\nfoo()",
+            output: "throw a\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "throw", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // try
+        //----------------------------------------------------------------------
+
+        {
+            code: "try{}catch(e){}\n\nfoo()",
+            output: "try{}catch(e){}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "try{}finally{}\n\nfoo()",
+            output: "try{}finally{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "try{}catch(e){}finally{}\n\nfoo()",
+            output: "try{}catch(e){}finally{}\nfoo()",
+            options: [
+                { blankLine: "never", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "try{}catch(e){}\nfoo()",
+            output: "try{}catch(e){}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{}finally{}\nfoo()",
+            output: "try{}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "try{}catch(e){}finally{}\nfoo()",
+            output: "try{}catch(e){}finally{}\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "try", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a\n\nfoo()",
+            output: "var a\nfoo()",
+            options: [
+                { blankLine: "never", prev: "var", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a\nfoo()",
+            output: "var a\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "var", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // while
+        //----------------------------------------------------------------------
+
+        {
+            code: "while(a);\n\nfoo()",
+            output: "while(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "while", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "while(a);\nfoo()",
+            output: "while(a);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "while", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // with
+        //----------------------------------------------------------------------
+
+        {
+            code: "with(a);\n\nfoo()",
+            output: "with(a);\nfoo()",
+            options: [
+                { blankLine: "never", prev: "with", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "with(a);\nfoo()",
+            output: "with(a);\n\nfoo()",
+            options: [
+                { blankLine: "always", prev: "with", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a={\nb:1,\nc:2\n}\n\nconst d=3",
+            output: "const a={\nb:1,\nc:2\n}\nconst d=3",
+            options: [
+                { blankLine: "never", prev: "multiline-const", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const a={\nb:1,\nc:2\n}\nconst d=3",
+            output: "const a={\nb:1,\nc:2\n}\n\nconst d=3",
+            options: [
+                { blankLine: "always", prev: "multiline-const", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "const a=1\n\nconst b={\nc:2,\nd:3\n}",
+            output: "const a=1\nconst b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "multiline-const" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const a=1\nconst b={\nc:2,\nd:3\n}",
+            output: "const a=1\n\nconst b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-const" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a={\nb:1,\nc:2\n}\n\nlet d=3",
+            output: "let a={\nb:1,\nc:2\n}\nlet d=3",
+            options: [
+                { blankLine: "never", prev: "multiline-let", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let a={\nb:1,\nc:2\n}\nlet d=3",
+            output: "let a={\nb:1,\nc:2\n}\n\nlet d=3",
+            options: [
+                { blankLine: "always", prev: "multiline-let", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "let a=1\n\nlet b={\nc:2,\nd:3\n}",
+            output: "let a=1\nlet b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "multiline-let" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let a=1\nlet b={\nc:2,\nd:3\n}",
+            output: "let a=1\n\nlet b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-let" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // multiline-var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a={\nb:1,\nc:2\n}\n\nvar d=3",
+            output: "var a={\nb:1,\nc:2\n}\nvar d=3",
+            options: [
+                { blankLine: "never", prev: "multiline-var", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a={\nb:1,\nc:2\n}\nvar d=3",
+            output: "var a={\nb:1,\nc:2\n}\n\nvar d=3",
+            options: [
+                { blankLine: "always", prev: "multiline-var", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a=1\n\nvar b={\nc:2,\nd:3\n}",
+            output: "var a=1\nvar b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "never", prev: "*", next: "multiline-var" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a=1\nvar b={\nc:2,\nd:3\n}",
+            output: "var a=1\n\nvar b={\nc:2,\nd:3\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "multiline-var" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-const
+        //----------------------------------------------------------------------
+
+        {
+            code: "const a=1\n\nconst b=2",
+            output: "const a=1\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "singleline-const", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const a=1\nconst b=2",
+            output: "const a=1\n\nconst b=2",
+            options: [
+                { blankLine: "always", prev: "singleline-const", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "const a=1\n\nconst b=2",
+            output: "const a=1\nconst b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "singleline-const" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const a=1\nconst b=2",
+            output: "const a=1\n\nconst b=2",
+            options: [
+                { blankLine: "always", prev: "*", next: "singleline-const" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-let
+        //----------------------------------------------------------------------
+
+        {
+            code: "let a=1\n\nlet b=2",
+            output: "let a=1\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "singleline-let", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let a=1\nlet b=2",
+            output: "let a=1\n\nlet b=2",
+            options: [
+                { blankLine: "always", prev: "singleline-let", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "let a=1\n\nlet b=2",
+            output: "let a=1\nlet b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "singleline-let" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let a=1\nlet b=2",
+            output: "let a=1\n\nlet b=2",
+            options: [
+                { blankLine: "always", prev: "*", next: "singleline-let" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // singleline-var
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a=1\n\nvar b=2",
+            output: "var a=1\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "singleline-var", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a=1\nvar b=2",
+            output: "var a=1\n\nvar b=2",
+            options: [
+                { blankLine: "always", prev: "singleline-var", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a=1\n\nvar b=2",
+            output: "var a=1\nvar b=2",
+            options: [
+                { blankLine: "never", prev: "*", next: "singleline-var" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a=1\nvar b=2",
+            output: "var a=1\n\nvar b=2",
+            options: [
+                { blankLine: "always", prev: "*", next: "singleline-var" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // Tests from newline-after-var
+        //----------------------------------------------------------------------
+
+        // should disallow no line break in "always" mode
+        {
+            code: "var greet = 'hello';console.log(greet);",
+            output: "var greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';var name = 'world';console.log(greet, name);",
+            output: "var greet = 'hello';var name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello', name = 'world';console.log(greet, name);",
+            output: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        // should disallow no blank line in "always" mode
+        {
+            code: "var greet = 'hello';\nconsole.log(greet);",
+            output: "var greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';    \nconsole.log(greet);",
+            output: "var greet = 'hello';\n    \nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
+            output: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
+            output: "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
+            output: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
+            output: "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "let greet = 'hello';\nconsole.log(greet);",
+            output: "let greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "const greet = 'hello';\nconsole.log(greet);",
+            output: "const greet = 'hello';\n\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function example() {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+            output: "function example() {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var f = function() {\nvar greet = 'hello';\nconsole.log(greet);\n};",
+            output: "var f = function() {\nvar greet = 'hello';\n\nconsole.log(greet);\n};",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "() => {\nvar greet = 'hello';\nconsole.log(greet);\n}",
+            output: "() => {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        // should disallow blank lines in "never" mode
+        {
+            code: "var greet = 'hello';\n\nconsole.log(greet);",
+            output: "var greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\n\n\nconsole.log(greet);",
+            output: "var greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\n\n\n\nconsole.log(greet);",
+            output: "var greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';    \n\nconsole.log(greet);",
+            output: "var greet = 'hello';    \nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
+            output: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
+            output: "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
+            output: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
+            output: "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\n\nconsole.log(greet, name);",
+            output: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\nconsole.log(greet, name);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "let greet = 'hello';\n\nconsole.log(greet);",
+            output: "let greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "const greet = 'hello';\n\nconsole.log(greet);",
+            output: "const greet = 'hello';\nconsole.log(greet);",
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+
+        // should disallow a comment on the next line that's not in turn followed by a blank in "always" mode
+        {
+            code: "var greet = 'hello';\n// next-line comment\nconsole.log(greet);",
+            output: "var greet = 'hello';\n\n// next-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\n/* block comment\nblock comment */\nconsole.log(greet);",
+            output: "var greet = 'hello';\n\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\n// next-line comment\nconsole.log(greet);",
+            output: "var greet = 'hello',\nname = 'world';\n\n// next-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\nconsole.log(greet);",
+            output: "var greet = 'hello',\nname = 'world';\n\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\n// next-line comment\n// second-line comment\nconsole.log(greet);",
+            output: "var greet = 'hello';\n\n// next-line comment\n// second-line comment\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
+            output: "var greet = 'hello';\n\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/6834
+        {
+            code: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            output: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            options: [
+                { blankLine: "always", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: `
+                var a = 1
+
+                ;(b || c).doSomething()
+            `,
+            output: `
+                var a = 1
+                ;(b || c).doSomething()
+            `,
+            options: [
+                { blankLine: "never", prev: ["const", "let", "var"], next: "*" },
+                { blankLine: "any", prev: ["const", "let", "var"], next: ["const", "let", "var"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // Tests from newline-before-return
+        //----------------------------------------------------------------------
+
+        {
+            code: "function a() {\nvar b; return;\n}",
+            output: "function a() {\nvar b;\n\n return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\nreturn;\n}",
+            output: "function a() {\nvar b;\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\nreturn d;\n}\n}",
+            output: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne(); return d;\n}\n}",
+            output: "function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\n return d;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\n while (b) {\nc();\nreturn;\n}\n}",
+            output: "function a() {\n while (b) {\nc();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\ndo {\nc();\nreturn;\n} while (b);\n}",
+            output: "function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nc();\nreturn;\n}\n}",
+            output: "function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nfor (b in c) {\nd();\nreturn;\n}\n}",
+            output: "function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nfor (b of c) {\nd();\nreturn;\n}\n}",
+            output: "function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) {\nc();\n}\n//comment\nreturn b;\n}",
+            output: "function a() {\nif (b) {\nc();\n}\n\n//comment\nreturn b;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\n/*comment\ncomment*/\nif (b) {\nc();\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n/*multi-line\ncomment*/\nreturn e;\n}",
+            output: "function a() {\n/*comment\ncomment*/\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n\n/*multi-line\ncomment*/\nreturn e;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }, { messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) { return; } //comment\nreturn c;\n}",
+            output: "function a() {\nif (b) { return; } //comment\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) { return; } /*multi-line\ncomment*/\nreturn c;\n}",
+            output: "function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) { return; }\n/*multi-line\ncomment*/ return c;\n}",
+            output: "function a() {\nif (b) { return; }\n\n/*multi-line\ncomment*/ return c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nif (b) { return; } /*multi-line\ncomment*/ return c;\n}",
+            output: "function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\n return c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a;\nreturn;",
+            output: "var a;\n\nreturn;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a; return;",
+            output: "var a;\n\n return;",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\n{\n//comment\n}\nreturn\n}",
+            output: "function a() {\n{\n//comment\n}\n\nreturn\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\n{\n//comment\n} return\n}",
+            output: "function a() {\n{\n//comment\n}\n\n return\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\nreturn c;\n}",
+            output: "function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\nreturn;\n}\n}",
+            output: "function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; /*multi-line\ncomment*/\nreturn c;\n}",
+            output: "function a() {\nvar b; /*multi-line\ncomment*/\n\nreturn c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\n/*multi-line\ncomment*/ return c;\n}",
+            output: "function a() {\nvar b;\n\n/*multi-line\ncomment*/ return c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; /*multi-line\ncomment*/ return c;\n}",
+            output: "function a() {\nvar b; /*multi-line\ncomment*/\n\n return c;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\n//comment\nreturn;\n}",
+            output: "function a() {\nvar b;\n\n//comment\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; //comment\nreturn;\n}",
+            output: "function a() {\nvar b; //comment\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\n/* comment */ return;\n}",
+            output: "function a() {\nvar b;\n\n/* comment */ return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\n//comment\n/* comment */ return;\n}",
+            output: "function a() {\nvar b;\n\n//comment\n/* comment */ return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; /* comment */ return;\n}",
+            output: "function a() {\nvar b; /* comment */\n\n return;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; /* comment */\nreturn;\n}",
+            output: "function a() {\nvar b; /* comment */\n\nreturn;\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b;\nreturn; //comment\n}",
+            output: "function a() {\nvar b;\n\nreturn; //comment\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function a() {\nvar b; return; //comment\n}",
+            output: "function a() {\nvar b;\n\n return; //comment\n}",
+            options: [
+                { blankLine: "always", prev: "*", next: "return" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS disallowPaddingNewLinesAfterBlocks
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-after-blocks.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "if(true){}\n\nvar a = 2;",
+            output: "if(true){}\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "if(true){\nif(true) {}\n\nvar a = 2;}",
+            output: "if(true){\nif(true) {}\nvar a = 2;}",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "(function(){\n})()\n\nvar a = 2;",
+            output: "(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "+(function(){\n})()\n\nvar a = 2;",
+            output: "+(function(){\n})()\nvar a = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "var a = function() {};\n\nvar b = 2;",
+            output: "var a = function() {};\nvar b = 2;",
+            options: [
+                { blankLine: "never", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS disallowPaddingNewLinesBeforeExport
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-export.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a = 2;\n\nmodule.exports = a;",
+            output: "var a = 2;\nmodule.exports = a;",
+            options: [
+                { blankLine: "never", prev: "*", next: "cjs-export" }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS disallowPaddingNewLinesBeforeExport
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-keywords.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "function x() { var a;\n\nreturn; }",
+            output: "function x() { var a;\nreturn; }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "function x() { var a = true;\n\nif (a) { a = !a; }; }",
+            output: "function x() { var a = true;\nif (a) { a = !a; }; }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "function x() { var a = true;\n\nfor (var i = 0; i < 10; i++) { a = !a; }; }",
+            output: "function x() { var a = true;\nfor (var i = 0; i < 10; i++) { a = !a; }; }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [{ messageId: "unexpectedBlankLine" }]
+        },
+        {
+            code: "function x() { var y = true;\n\nswitch (\"Oranges\") { case \"Oranges\": y = !y;\n\nbreak;\n\ncase \"Apples\": y = !y;\n\nbreak; default: y = !y; } }",
+            output: "function x() { var y = true;\nswitch (\"Oranges\") { case \"Oranges\": y = !y;\nbreak;\ncase \"Apples\": y = !y;\nbreak; default: y = !y; } }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" }
+            ]
+        },
+        {
+            code: "function x() {try { var a;\n\nthrow 0; } catch (e) { var b = 0;\n\nthrow e; } }",
+            output: "function x() {try { var a;\nthrow 0; } catch (e) { var b = 0;\nthrow e; } }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" }
+            ]
+        },
+        {
+            code: "function x(a) { var b = 0;\n\nif (!a) { return false; };\n\nfor (var i = 0; i < b; i++) { if (!a[i]) return false; }\n\nreturn true; }",
+            output: "function x(a) { var b = 0;\nif (!a) { return false; };\nfor (var i = 0; i < b; i++) { if (!a[i]) return false; }\nreturn true; }",
+            options: [
+                { blankLine: "never", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw"] }
+            ],
+            errors: [
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" },
+                { messageId: "unexpectedBlankLine" }
+            ]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewLinesAfterBlocks
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-after-blocks.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "if(true){}\nvar a = 2;",
+            output: "if(true){}\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a = function() {\n};\nvar b = 2;",
+            output: "var a = function() {\n};\n\nvar b = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "if(true){\nif(true) {}\nvar a = 2;}",
+            output: "if(true){\nif(true) {}\n\nvar a = 2;}",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "(function(){\n})()\nvar a = 2;",
+            output: "(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "var a = function() {\n};\nvar b = 2;",
+            output: "var a = function() {\n};\n\nvar b = 2;",
+            options: [
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "(function(){\n})()\nvar a = 2;",
+            output: "(function(){\n})()\n\nvar a = 2;",
+            options: [
+                { blankLine: "always", prev: "multiline-block-like", next: "*" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewLinesBeforeExport
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-export.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "var a = 2;\nmodule.exports = a;",
+            output: "var a = 2;\n\nmodule.exports = a;",
+            options: [
+                { blankLine: "always", prev: "*", next: "cjs-export" }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+
+        //----------------------------------------------------------------------
+        // From JSCS requirePaddingNewlinesBeforeKeywords
+        // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-keywords.js
+        //----------------------------------------------------------------------
+
+        {
+            code: "function x() { var a; return; }",
+            output: "function x() { var a;\n\n return; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function x() { var a = true; for (var i = 0; i < 10; i++) { a = !a; }; }",
+            output: "function x() { var a = true;\n\n for (var i = 0; i < 10; i++) { a = !a; }; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function x() { var y = true; switch (\"Oranges\") { case \"Oranges\": y = !y; break; case \"Apples\": y = !y; break; default: y = !y; } }",
+            output: "function x() { var y = true;\n\n switch (\"Oranges\") { case \"Oranges\": y = !y;\n\n break;\n\n case \"Apples\": y = !y;\n\n break;\n\n default: y = !y; } }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" }
+            ]
+        },
+        {
+            code: "function x() { var a = true; while (!a) { a = !a; }; }",
+            output: "function x() { var a = true;\n\n while (!a) { a = !a; }; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [{ messageId: "expectedBlankLine" }]
+        },
+        {
+            code: "function x() {try { var a; throw 0; } catch (e) { var b = 0; throw e; } }",
+            output: "function x() {try { var a;\n\n throw 0; } catch (e) { var b = 0;\n\n throw e; } }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" }
+            ]
+        },
+        {
+            code: "function x(a) { var b = 0; if (!a) { return false; }; for (var i = 0; i < b; i++) { if (!a[i]) return false; } return true; }",
+            output: "function x(a) { var b = 0;\n\n if (!a) { return false; };\n\n for (var i = 0; i < b; i++) { if (!a[i]) return false; }\n\n return true; }",
+            options: [
+                { blankLine: "always", prev: "*", next: ["if", "for", "return", "switch", "case", "break", "throw", "while", "default"] }
+            ],
+            errors: [
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" },
+                { messageId: "expectedBlankLine" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-arrow-callback.js b/eslint/tests/lib/rules/prefer-arrow-callback.js
new file mode 100644
index 0000000..cb380de
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-arrow-callback.js
@@ -0,0 +1,178 @@
+/**
+ * @fileoverview Tests for prefer-arrow-callback rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-arrow-callback");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errors = [{
+    messageId: "preferArrowCallback",
+    type: "FunctionExpression"
+}];
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-arrow-callback", rule, {
+    valid: [
+        "foo(a => a);",
+        "foo(function*() {});",
+        "foo(function() { this; });",
+        { code: "foo(function bar() {});", options: [{ allowNamedFunctions: true }] },
+        "foo(function() { (() => this); });",
+        "foo(function() { this; }.bind(obj));",
+        "foo(function() { this; }.call(this));",
+        "foo(a => { (function() {}); });",
+        "var foo = function foo() {};",
+        "(function foo() {})();",
+        "foo(function bar() { bar; });",
+        "foo(function bar() { arguments; });",
+        "foo(function bar() { arguments; }.bind(this));",
+        "foo(function bar() { new.target; });",
+        "foo(function bar() { new.target; }.bind(this));",
+        "foo(function bar() { this; }.bind(this, somethingElse));"
+    ],
+    invalid: [
+        {
+            code: "foo(function bar() {});",
+            output: "foo(() => {});",
+            errors
+        },
+        {
+            code: "foo(function() {});",
+            output: "foo(() => {});",
+            options: [{ allowNamedFunctions: true }],
+            errors
+        },
+        {
+            code: "foo(function bar() {});",
+            output: "foo(() => {});",
+            options: [{ allowNamedFunctions: false }],
+            errors
+        },
+        {
+            code: "foo(function() {});",
+            output: "foo(() => {});",
+            errors
+        },
+        {
+            code: "foo(nativeCb || function() {});",
+            output: "foo(nativeCb || (() => {}));",
+            errors
+        },
+        {
+            code: "foo(bar ? function() {} : function() {});",
+            output: "foo(bar ? () => {} : () => {});",
+            errors: [errors[0], errors[0]]
+        },
+        {
+            code: "foo(function() { (function() { this; }); });",
+            output: "foo(() => { (function() { this; }); });",
+            errors
+        },
+        {
+            code: "foo(function() { this; }.bind(this));",
+            output: "foo(() => { this; });",
+            errors
+        },
+        {
+            code: "foo(bar || function() { this; }.bind(this));",
+            output: "foo(bar || (() => { this; }));",
+            errors
+        },
+        {
+            code: "foo(function() { (() => this); }.bind(this));",
+            output: "foo(() => { (() => this); });",
+            errors
+        },
+        {
+            code: "foo(function bar(a) { a; });",
+            output: "foo((a) => { a; });",
+            errors
+        },
+        {
+            code: "foo(function(a) { a; });",
+            output: "foo((a) => { a; });",
+            errors
+        },
+        {
+            code: "foo(function(arguments) { arguments; });",
+            output: "foo((arguments) => { arguments; });",
+            errors
+        },
+        {
+            code: "foo(function() { this; });",
+            output: null, // No fix applied
+            options: [{ allowUnboundThis: false }],
+            errors
+        },
+        {
+            code: "foo(function() { (() => this); });",
+            output: null, // No fix applied
+            options: [{ allowUnboundThis: false }],
+            errors
+        },
+        {
+            code: "qux(function(foo, bar, baz) { return foo * 2; })",
+            output: "qux((foo, bar, baz) => { return foo * 2; })",
+            errors
+        },
+        {
+            code: "qux(function(foo, bar, baz) { return foo * bar; }.bind(this))",
+            output: "qux((foo, bar, baz) => { return foo * bar; })",
+            errors
+        },
+        {
+            code: "qux(function(foo, bar, baz) { return foo * this.qux; }.bind(this))",
+            output: "qux((foo, bar, baz) => { return foo * this.qux; })",
+            errors
+        },
+        {
+            code: "foo(function() {}.bind(this, somethingElse))",
+            output: "foo((() => {}).bind(this, somethingElse))",
+            errors
+        },
+        {
+            code: "qux(function(foo = 1, [bar = 2] = [], {qux: baz = 3} = {foo: 'bar'}) { return foo + bar; });",
+            output: "qux((foo = 1, [bar = 2] = [], {qux: baz = 3} = {foo: 'bar'}) => { return foo + bar; });",
+            errors
+        },
+        {
+            code: "qux(function(baz, baz) { })",
+            output: null, // Duplicate parameter names are a SyntaxError in arrow functions
+            errors
+        },
+        {
+            code: "qux(function( /* no params */ ) { })",
+            output: "qux(( /* no params */ ) => { })",
+            errors
+        },
+        {
+            code: "qux(function( /* a */ foo /* b */ , /* c */ bar /* d */ , /* e */ baz /* f */ ) { return foo; })",
+            output: "qux(( /* a */ foo /* b */ , /* c */ bar /* d */ , /* e */ baz /* f */ ) => { return foo; })",
+            errors
+        },
+        {
+            code: "qux(async function (foo = 1, bar = 2, baz = 3) { return baz; })",
+            output: "qux(async (foo = 1, bar = 2, baz = 3) => { return baz; })",
+            parserOptions: { ecmaVersion: 8 },
+            errors
+        },
+        {
+            code: "qux(async function (foo = 1, bar = 2, baz = 3) { return this; }.bind(this))",
+            output: "qux(async (foo = 1, bar = 2, baz = 3) => { return this; })",
+            parserOptions: { ecmaVersion: 8 },
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-const.js b/eslint/tests/lib/rules/prefer-const.js
new file mode 100644
index 0000000..ad25f5f
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-const.js
@@ -0,0 +1,551 @@
+/**
+ * @fileoverview Tests for prefer-const rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-const"),
+    fixtureParser = require("../../fixtures/fixture-parser"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.defineRule("use-x", context => ({
+    VariableDeclaration() {
+        context.markVariableAsUsed("x");
+    }
+}));
+
+ruleTester.run("prefer-const", rule, {
+    valid: [
+        "var x = 0;",
+        "let x;",
+        "let x; { x = 0; } foo(x);",
+        "let x = 0; x = 1;",
+        "const x = 0;",
+        "for (let i = 0, end = 10; i < end; ++i) {}",
+        "for (let i in [1,2,3]) { i = 0; }",
+        "for (let x of [1,2,3]) { x = 0; }",
+        "(function() { var x = 0; })();",
+        "(function() { let x; })();",
+        "(function() { let x; { x = 0; } foo(x); })();",
+        "(function() { let x = 0; x = 1; })();",
+        "(function() { const x = 0; })();",
+        "(function() { for (let i = 0, end = 10; i < end; ++i) {} })();",
+        "(function() { for (let i in [1,2,3]) { i = 0; } })();",
+        "(function() { for (let x of [1,2,3]) { x = 0; } })();",
+        "(function(x = 0) { })();",
+        "let a; while (a = foo());",
+        "let a; do {} while (a = foo());",
+        "let a; for (; a = foo(); );",
+        "let a; for (;; ++a);",
+        "let a; for (const {b = ++a} in foo());",
+        "let a; for (const {b = ++a} of foo());",
+        "let a; for (const x of [1,2,3]) { if (a) {} a = foo(); }",
+        "let a; for (const x of [1,2,3]) { a = a || foo(); bar(a); }",
+        "let a; for (const x of [1,2,3]) { foo(++a); }",
+        "let a; function foo() { if (a) {} a = bar(); }",
+        "let a; function foo() { a = a || bar(); baz(a); }",
+        "let a; function foo() { bar(++a); }",
+        [
+            "let id;",
+            "function foo() {",
+            "    if (typeof id !== 'undefined') {",
+            "        return;",
+            "    }",
+            "    id = setInterval(() => {}, 250);",
+            "}",
+            "foo();"
+        ].join("\n"),
+        "/*exported a*/ let a; function init() { a = foo(); }",
+        "/*exported a*/ let a = 1",
+        "let a; if (true) a = 0; foo(a);",
+        `
+        (function (a) {
+            let b;
+            ({ a, b } = obj);
+        })();
+        `,
+        `
+        (function (a) {
+            let b;
+            ([ a, b ] = obj);
+        })();
+        `,
+        "var a; { var b; ({ a, b } = obj); }",
+        "let a; { let b; ({ a, b } = obj); }",
+        "var a; { var b; ([ a, b ] = obj); }",
+        "let a; { let b; ([ a, b ] = obj); }",
+
+        /*
+         * The assignment is located in a different scope.
+         * Those are warned by prefer-smaller-scope.
+         */
+        "let x; { x = 0; foo(x); }",
+        "(function() { let x; { x = 0; foo(x); } })();",
+        "let x; for (const a of [1,2,3]) { x = foo(); bar(x); }",
+        "(function() { let x; for (const a of [1,2,3]) { x = foo(); bar(x); } })();",
+        "let x; for (x of array) { x; }",
+
+        {
+            code: "let {a, b} = obj; b = 0;",
+            options: [{ destructuring: "all" }]
+        },
+        {
+            code: "let a, b; ({a, b} = obj); b++;",
+            options: [{ destructuring: "all" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8187
+        {
+            code: "let { name, ...otherStuff } = obj; otherStuff = {};",
+            options: [{ destructuring: "all" }],
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let { name, ...otherStuff } = obj; otherStuff = {};",
+            options: [{ destructuring: "all" }],
+            parser: fixtureParser("babel-eslint5/destructuring-object-spread")
+        },
+
+        // https://github.com/eslint/eslint/issues/8308
+        {
+            code: "let predicate; [typeNode.returnType, predicate] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [typeNode.returnType, ...predicate] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+
+            // intentionally testing empty slot in destructuring assignment
+            code: "let predicate; [typeNode.returnType,, predicate] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [typeNode.returnType=5, predicate] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [[typeNode.returnType=5], predicate] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [[typeNode.returnType, predicate]] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [typeNode.returnType, [predicate]] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [, [typeNode.returnType, predicate]] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [, {foo:typeNode.returnType, predicate}] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let predicate; [, {foo:typeNode.returnType, ...predicate}] = foo();",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+        {
+            code: "let a; const b = {}; ({ a, c: b.c } = func());",
+            parserOptions: { ecmaVersion: 2018 }
+        },
+
+        // ignoreReadBeforeAssign
+        {
+            code: "let x; function foo() { bar(x); } x = 0;",
+            options: [{ ignoreReadBeforeAssign: true }]
+        },
+
+        // https://github.com/eslint/eslint/issues/10520
+        "const x = [1,2]; let y; [,y] = x; y = 0;",
+        "const x = [1,2,3]; let y, z; [y,,z] = x; y = 0; z = 0;"
+    ],
+    invalid: [
+        {
+            code: "let x = 1; foo(x);",
+            output: "const x = 1; foo(x);",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "for (let i in [1,2,3]) { foo(i); }",
+            output: "for (const i in [1,2,3]) { foo(i); }",
+            errors: [{ messageId: "useConst", data: { name: "i" }, type: "Identifier" }]
+        },
+        {
+            code: "for (let x of [1,2,3]) { foo(x); }",
+            output: "for (const x of [1,2,3]) { foo(x); }",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "let [x = -1, y] = [1,2]; y = 0;",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "let {a: x = -1, b: y} = {a:1,b:2}; y = 0;",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "(function() { let x = 1; foo(x); })();",
+            output: "(function() { const x = 1; foo(x); })();",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "(function() { for (let i in [1,2,3]) { foo(i); } })();",
+            output: "(function() { for (const i in [1,2,3]) { foo(i); } })();",
+            errors: [{ messageId: "useConst", data: { name: "i" }, type: "Identifier" }]
+        },
+        {
+            code: "(function() { for (let x of [1,2,3]) { foo(x); } })();",
+            output: "(function() { for (const x of [1,2,3]) { foo(x); } })();",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "(function() { let [x = -1, y] = [1,2]; y = 0; })();",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "let f = (function() { let g = x; })(); f = 1;",
+            output: "let f = (function() { const g = x; })(); f = 1;",
+            errors: [{ messageId: "useConst", data: { name: "g" }, type: "Identifier" }]
+        },
+        {
+            code: "(function() { let {a: x = -1, b: y} = {a:1,b:2}; y = 0; })();",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "let x = 0; { let x = 1; foo(x); } x = 0;",
+            output: "let x = 0; { const x = 1; foo(x); } x = 0;",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "for (let i = 0; i < 10; ++i) { let x = 1; foo(x); }",
+            output: "for (let i = 0; i < 10; ++i) { const x = 1; foo(x); }",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "for (let i in [1,2,3]) { let x = 1; foo(x); }",
+            output: "for (const i in [1,2,3]) { const x = 1; foo(x); }",
+            errors: [
+                { messageId: "useConst", data: { name: "i" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "x" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: [
+                "var foo = function() {",
+                "    for (const b of c) {",
+                "       let a;",
+                "       a = 1;",
+                "   }",
+                "};"
+            ].join("\n"),
+            output: null,
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: [
+                "var foo = function() {",
+                "    for (const b of c) {",
+                "       let a;",
+                "       ({a} = 1);",
+                "   }",
+                "};"
+            ].join("\n"),
+            output: null,
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+
+        {
+            code: "let x; x = 0;",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier", column: 8 }]
+        },
+        {
+            code: "switch (a) { case 0: let x; x = 0; }",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier", column: 29 }]
+        },
+        {
+            code: "(function() { let x; x = 1; })();",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier", column: 22 }]
+        },
+
+        {
+            code: "let {a = 0, b} = obj; b = 0; foo(a, b);",
+            output: null,
+            options: [{ destructuring: "any" }],
+            errors: [{ messageId: "useConst", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "let {a: {b, c}} = {a: {b: 1, c: 2}}; b = 3;",
+            output: null,
+            options: [{ destructuring: "any" }],
+            errors: [{ messageId: "useConst", data: { name: "c" }, type: "Identifier" }]
+        },
+        {
+            code: "let {a: {b, c}} = {a: {b: 1, c: 2}}",
+            output: "const {a: {b, c}} = {a: {b: 1, c: 2}}",
+            options: [{ destructuring: "all" }],
+            errors: [
+                { messageId: "useConst", data: { name: "b" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let a, b; ({a = 0, b} = obj); b = 0; foo(a, b);",
+            output: null,
+            options: [{ destructuring: "any" }],
+            errors: [{ messageId: "useConst", data: { name: "a" }, type: "Identifier" }]
+        },
+        {
+            code: "let {a = 0, b} = obj; foo(a, b);",
+            output: "const {a = 0, b} = obj; foo(a, b);",
+            options: [{ destructuring: "all" }],
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "b" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let [a] = [1]",
+            output: "const [a] = [1]",
+            options: [],
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let {a} = obj",
+            output: "const {a} = obj",
+            options: [],
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let a, b; ({a = 0, b} = obj); foo(a, b);",
+            output: null,
+            options: [{ destructuring: "all" }],
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "b" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let {a = 0, b} = obj, c = a; b = a;",
+            output: null,
+            options: [{ destructuring: "any" }],
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let {a = 0, b} = obj, c = a; b = a;",
+            output: null,
+            options: [{ destructuring: "all" }],
+            errors: [{ messageId: "useConst", data: { name: "c" }, type: "Identifier" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/8187
+        {
+            code: "let { name, ...otherStuff } = obj; otherStuff = {};",
+            output: null,
+            options: [{ destructuring: "any" }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{ messageId: "useConst", data: { name: "name" }, type: "Identifier", column: 7 }]
+        },
+        {
+            code: "let { name, ...otherStuff } = obj; otherStuff = {};",
+            output: null,
+            options: [{ destructuring: "any" }],
+            parser: fixtureParser("babel-eslint5/destructuring-object-spread"),
+            errors: [{ messageId: "useConst", data: { name: "name" }, type: "Identifier", column: 7 }]
+        },
+
+        // Warnings are located at declaration if there are reading references before assignments.
+        {
+            code: "let x; function foo() { bar(x); } x = 0;",
+            output: null,
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier", column: 5 }]
+        },
+
+        // https://github.com/eslint/eslint/issues/5837
+        {
+            code: "/*eslint use-x:error*/ let x = 1",
+            output: "/*eslint use-x:error*/ const x = 1",
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "/*eslint use-x:error*/ { let x = 1 }",
+            output: "/*eslint use-x:error*/ { const x = 1 }",
+            errors: [{ messageId: "useConst", data: { name: "x" }, type: "Identifier" }]
+        },
+        {
+            code: "let { foo, bar } = baz;",
+            output: "const { foo, bar } = baz;",
+            errors: [
+                { messageId: "useConst", data: { name: "foo" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "bar" }, type: "Identifier" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/10520
+        {
+            code: "const x = [1,2]; let [,y] = x;",
+            output: "const x = [1,2]; const [,y] = x;",
+            errors: [{ messageId: "useConst", data: { name: "y" }, type: "Identifier" }]
+        },
+        {
+            code: "const x = [1,2,3]; let [y,,z] = x;",
+            output: "const x = [1,2,3]; const [y,,z] = x;",
+            errors: [
+                { messageId: "useConst", data: { name: "y" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "z" }, type: "Identifier" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/8308
+        {
+            code: "let predicate; [, {foo:returnType, predicate}] = foo();",
+            output: null,
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                { message: "'predicate' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let predicate; [, {foo:returnType, predicate}, ...bar ] = foo();",
+            output: null,
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                { message: "'predicate' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let predicate; [, {foo:returnType, ...predicate} ] = foo();",
+            output: null,
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                { message: "'predicate' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let x = 'x', y = 'y';",
+            output: "const x = 'x', y = 'y';",
+            errors: [
+                { message: "'x' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'y' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let x = 'x', y = 'y'; x = 1",
+            output: null,
+            errors: [
+                { message: "'y' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let x = 1, y = 'y'; let z = 1;",
+            output: "const x = 1, y = 'y'; const z = 1;",
+            errors: [
+                { message: "'x' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'y' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'z' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let { a, b, c} = obj; let { x, y, z} = anotherObj; x = 2;",
+            output: "const { a, b, c} = obj; let { x, y, z} = anotherObj; x = 2;",
+            errors: [
+                { message: "'a' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'b' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'c' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'y' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'z' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let x = 'x', y = 'y'; function someFunc() { let a = 1, b = 2; foo(a, b) }",
+            output: "const x = 'x', y = 'y'; function someFunc() { const a = 1, b = 2; foo(a, b) }",
+            errors: [
+                { message: "'x' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'y' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'a' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'b' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+        {
+            code: "let someFunc = () => { let a = 1, b = 2; foo(a, b) }",
+            output: "const someFunc = () => { const a = 1, b = 2; foo(a, b) }",
+            errors: [
+                { message: "'someFunc' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'a' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'b' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/11699
+        {
+            code: "let {a, b} = c, d;",
+            output: null,
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "b" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: "let {a, b, c} = {}, e, f;",
+            output: null,
+            errors: [
+                { messageId: "useConst", data: { name: "a" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "b" }, type: "Identifier" },
+                { messageId: "useConst", data: { name: "c" }, type: "Identifier" }
+            ]
+        },
+        {
+            code: [
+                "function a() {",
+                "let foo = 0,",
+                "  bar = 1;",
+                "foo = 1;",
+                "}",
+                "function b() {",
+                "let foo = 0,",
+                "  bar = 2;",
+                "foo = 2;",
+                "}"
+            ].join("\n"),
+            output: null,
+            errors: [
+                { message: "'bar' is never reassigned. Use 'const' instead.", type: "Identifier" },
+                { message: "'bar' is never reassigned. Use 'const' instead.", type: "Identifier" }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-destructuring.js b/eslint/tests/lib/rules/prefer-destructuring.js
new file mode 100644
index 0000000..6f1b6e3
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-destructuring.js
@@ -0,0 +1,342 @@
+/**
+ * @fileoverview Prefer destructuring from arrays and objects
+ * @author Alex LaFroscia
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-destructuring"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-destructuring", rule, {
+    valid: [
+        "var [foo] = array;",
+        "var { foo } = object;",
+        "var foo;",
+        {
+
+            // Ensure that the default behavior does not require destructuring when renaming
+            code: "var foo = object.bar;",
+            options: [{ VariableDeclarator: { object: true } }]
+        },
+        {
+
+            // Ensure that the default behavior does not require destructuring when renaming
+            code: "var foo = object.bar;",
+            options: [{ object: true }]
+        },
+        {
+            code: "var foo = object.bar;",
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "var foo = object.bar;",
+            options: [{ object: true }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "var foo = object['bar'];",
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "var foo = object[bar];",
+            options: [{ object: true }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "var { bar: foo } = object;",
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "var { bar: foo } = object;",
+            options: [{ object: true }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "var { [bar]: foo } = object;",
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "var { [bar]: foo } = object;",
+            options: [{ object: true }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "var foo = array[0];",
+            options: [{ VariableDeclarator: { array: false } }]
+        },
+        {
+            code: "var foo = array[0];",
+            options: [{ array: false }]
+        },
+        {
+            code: "var foo = object.foo;",
+            options: [{ VariableDeclarator: { object: false } }]
+        },
+        {
+            code: "var foo = object['foo'];",
+            options: [{ VariableDeclarator: { object: false } }]
+        },
+        "({ foo } = object);",
+        {
+
+            // Fix #8654
+            code: "var foo = array[0];",
+            options: [{ VariableDeclarator: { array: false } }, { enforceForRenamedProperties: true }]
+        },
+        {
+
+            // Fix #8654
+            code: "var foo = array[0];",
+            options: [{ array: false }, { enforceForRenamedProperties: true }]
+        },
+        "[foo] = array;",
+        "foo += array[0]",
+        "foo += bar.foo",
+        {
+            code: "foo = object.foo;",
+            options: [{ AssignmentExpression: { object: false } }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "foo = object.foo;",
+            options: [{ AssignmentExpression: { object: false } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "foo = array[0];",
+            options: [{ AssignmentExpression: { array: false } }, { enforceForRenamedProperties: true }]
+        },
+        {
+            code: "foo = array[0];",
+            options: [{ AssignmentExpression: { array: false } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "foo = array[0];",
+            options: [{ VariableDeclarator: { array: true }, AssignmentExpression: { array: false } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "var foo = array[0];",
+            options: [{ VariableDeclarator: { array: false }, AssignmentExpression: { array: true } }, { enforceForRenamedProperties: false }]
+        },
+        {
+            code: "foo = object.foo;",
+            options: [{ VariableDeclarator: { object: true }, AssignmentExpression: { object: false } }]
+        },
+        {
+            code: "var foo = object.foo;",
+            options: [{ VariableDeclarator: { object: false }, AssignmentExpression: { object: true } }]
+        },
+        "class Foo extends Bar { static foo() {var foo = super.foo} }",
+        "foo = bar[foo];",
+        "var foo = bar[foo];",
+        {
+            code: "var {foo: {bar}} = object;",
+            options: [{ object: true }]
+        },
+        {
+            code: "var {bar} = object.foo;",
+            options: [{ object: true }]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var foo = array[0];",
+            output: null,
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "foo = array[0];",
+            output: null,
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "var foo = object.foo;",
+            output: "var {foo} = object;",
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = object.bar.foo;",
+            output: "var {foo} = object.bar;",
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foobar = object.bar;",
+            output: null,
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: true }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foobar = object.bar;",
+            output: null,
+            options: [{ object: true }, { enforceForRenamedProperties: true }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = object[bar];",
+            output: null,
+            options: [{ VariableDeclarator: { object: true } }, { enforceForRenamedProperties: true }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = object[bar];",
+            output: null,
+            options: [{ object: true }, { enforceForRenamedProperties: true }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = object['foo'];",
+            output: null,
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "foo = object.foo;",
+            output: null,
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "foo = object['foo'];",
+            output: null,
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "var foo = array[0];",
+            output: null,
+            options: [{ VariableDeclarator: { array: true } }, { enforceForRenamedProperties: true }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "foo = array[0];",
+            output: null,
+            options: [{ AssignmentExpression: { array: true } }],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "var foo = array[0];",
+            output: null,
+            options: [
+                {
+                    VariableDeclarator: { array: true },
+                    AssignmentExpression: { array: false }
+                },
+                { enforceForRenamedProperties: true }
+            ],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "var foo = array[0];",
+            output: null,
+            options: [
+                {
+                    VariableDeclarator: { array: true },
+                    AssignmentExpression: { array: false }
+                }
+            ],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "foo = array[0];",
+            output: null,
+            options: [
+                {
+                    VariableDeclarator: { array: false },
+                    AssignmentExpression: { array: true }
+                }
+            ],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "array" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "foo = object.foo;",
+            output: null,
+            options: [
+                {
+                    VariableDeclarator: { array: true, object: false },
+                    AssignmentExpression: { object: true }
+                }
+            ],
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "AssignmentExpression"
+            }]
+        },
+        {
+            code: "class Foo extends Bar { static foo() {var bar = super.foo.bar} }",
+            output: "class Foo extends Bar { static foo() {var {bar} = super.foo} }",
+            errors: [{
+                messageId: "preferDestructuring",
+                data: { type: "object" },
+                type: "VariableDeclarator"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-exponentiation-operator.js b/eslint/tests/lib/rules/prefer-exponentiation-operator.js
new file mode 100644
index 0000000..42bf8ec
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-exponentiation-operator.js
@@ -0,0 +1,351 @@
+/**
+ * @fileoverview Tests for the prefer-exponentiation-operator rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-exponentiation-operator");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Create an object for the invalid array
+ * @param {string} code source code
+ * @param {string} output fixed source code
+ * @returns {Object} result object
+ * @private
+ */
+function invalid(code, output) {
+    return {
+        code,
+        output,
+        errors: [
+            {
+                messageId: "useExponentiation",
+                type: "CallExpression"
+            }
+        ]
+    };
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("prefer-exponentiation-operator", rule, {
+    valid: [
+
+        // not Math.pow()
+        "Object.pow(a, b)",
+        "Math.max(a, b)",
+        "Math",
+        "Math(a, b)",
+        "pow",
+        "pow(a, b)",
+        "Math.pow",
+        "Math.Pow(a, b)",
+        "math.pow(a, b)",
+        "foo.Math.pow(a, b)",
+        "new Math.pow(a, b)",
+        "Math[pow](a, b)",
+        { code: "globalThis.Object.pow(a, b)", env: { es2020: true } },
+        { code: "globalThis.Math.max(a, b)", env: { es2020: true } },
+
+        // not the global Math
+        "/* globals Math:off*/ Math.pow(a, b)",
+        "let Math; Math.pow(a, b);",
+        "if (foo) { const Math = 1; Math.pow(a, b); }",
+        "var x = function Math() { Math.pow(a, b); }",
+        "function foo(Math) { Math.pow(a, b); }",
+        "function foo() { Math.pow(a, b); var Math; }",
+
+        "globalThis.Math.pow(a, b)",
+        { code: "globalThis.Math.pow(a, b)", env: { es6: true } },
+        { code: "globalThis.Math.pow(a, b)", env: { es2017: true } },
+        {
+            code: `
+                var globalThis = bar;
+                globalThis.Math.pow(a, b)
+            `,
+            env: { es2020: true }
+        }
+    ],
+
+    invalid: [
+
+        invalid("Math.pow(a, b)", "a**b"),
+        invalid("(Math).pow(a, b)", "a**b"),
+        invalid("Math['pow'](a, b)", "a**b"),
+        invalid("(Math)['pow'](a, b)", "a**b"),
+        invalid("var x=Math\n.  pow( a, \n b )", "var x=a**b"),
+        {
+            code: "globalThis.Math.pow(a, b)",
+            output: "a**b",
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 26
+                }
+            ]
+        },
+        {
+            code: "globalThis.Math['pow'](a, b)",
+            output: "a**b",
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 29
+                }
+            ]
+        },
+
+        // able to catch some workarounds
+        invalid("Math[`pow`](a, b)", "a**b"),
+        invalid("Math[`${'pow'}`](a, b)", "a**b"),
+        invalid("Math['p' + 'o' + 'w'](a, b)", "a**b"),
+
+        // non-expression parents that don't require parens
+        invalid("var x = Math.pow(a, b);", "var x = a**b;"),
+        invalid("if(Math.pow(a, b)){}", "if(a**b){}"),
+        invalid("for(;Math.pow(a, b);){}", "for(;a**b;){}"),
+        invalid("switch(foo){ case Math.pow(a, b): break; }", "switch(foo){ case a**b: break; }"),
+        invalid("{ foo: Math.pow(a, b) }", "{ foo: a**b }"),
+        invalid("function foo(bar, baz = Math.pow(a, b), quux){}", "function foo(bar, baz = a**b, quux){}"),
+        invalid("`${Math.pow(a, b)}`", "`${a**b}`"),
+
+        // non-expression parents that do require parens
+        invalid("class C extends Math.pow(a, b) {}", "class C extends (a**b) {}"),
+
+        // parents with a higher precedence
+        invalid("+ Math.pow(a, b)", "+ (a**b)"),
+        invalid("- Math.pow(a, b)", "- (a**b)"),
+        invalid("! Math.pow(a, b)", "! (a**b)"),
+        invalid("typeof Math.pow(a, b)", "typeof (a**b)"),
+        invalid("void Math.pow(a, b)", "void (a**b)"),
+        invalid("Math.pow(a, b) .toString()", "(a**b) .toString()"),
+        invalid("Math.pow(a, b) ()", "(a**b) ()"),
+        invalid("Math.pow(a, b) ``", "(a**b) ``"),
+        invalid("(class extends Math.pow(a, b) {})", "(class extends (a**b) {})"),
+
+        // already parenthesised, shouldn't insert extra parens
+        invalid("+(Math.pow(a, b))", "+(a**b)"),
+        invalid("(Math.pow(a, b)).toString()", "(a**b).toString()"),
+        invalid("(class extends (Math.pow(a, b)) {})", "(class extends (a**b) {})"),
+        invalid("class C extends (Math.pow(a, b)) {}", "class C extends (a**b) {}"),
+
+        // parents with a higher precedence, but the expression's role doesn't require parens
+        invalid("f(Math.pow(a, b))", "f(a**b)"),
+        invalid("f(foo, Math.pow(a, b))", "f(foo, a**b)"),
+        invalid("f(Math.pow(a, b), foo)", "f(a**b, foo)"),
+        invalid("f(foo, Math.pow(a, b), bar)", "f(foo, a**b, bar)"),
+        invalid("new F(Math.pow(a, b))", "new F(a**b)"),
+        invalid("new F(foo, Math.pow(a, b))", "new F(foo, a**b)"),
+        invalid("new F(Math.pow(a, b), foo)", "new F(a**b, foo)"),
+        invalid("new F(foo, Math.pow(a, b), bar)", "new F(foo, a**b, bar)"),
+        invalid("obj[Math.pow(a, b)]", "obj[a**b]"),
+        invalid("[foo, Math.pow(a, b), bar]", "[foo, a**b, bar]"),
+
+        // parents with a lower precedence
+        invalid("a * Math.pow(b, c)", "a * b**c"),
+        invalid("Math.pow(a, b) * c", "a**b * c"),
+        invalid("a + Math.pow(b, c)", "a + b**c"),
+        invalid("Math.pow(a, b)/c", "a**b/c"),
+        invalid("a < Math.pow(b, c)", "a < b**c"),
+        invalid("Math.pow(a, b) > c", "a**b > c"),
+        invalid("a === Math.pow(b, c)", "a === b**c"),
+        invalid("a ? Math.pow(b, c) : d", "a ? b**c : d"),
+        invalid("a = Math.pow(b, c)", "a = b**c"),
+        invalid("a += Math.pow(b, c)", "a += b**c"),
+        invalid("function *f() { yield Math.pow(a, b) }", "function *f() { yield a**b }"),
+        invalid("a, Math.pow(b, c), d", "a, b**c, d"),
+
+        // '**' is right-associative, that applies to both parent and child nodes
+        invalid("a ** Math.pow(b, c)", "a ** b**c"),
+        invalid("Math.pow(a, b) ** c", "(a**b) ** c"),
+        invalid("Math.pow(a, b ** c)", "a**b ** c"),
+        invalid("Math.pow(a ** b, c)", "(a ** b)**c"),
+        invalid("a ** Math.pow(b ** c, d ** e) ** f", "a ** ((b ** c)**d ** e) ** f"),
+
+        // doesn't remove already existing unnecessary parens around the whole expression
+        invalid("(Math.pow(a, b))", "(a**b)"),
+        invalid("foo + (Math.pow(a, b))", "foo + (a**b)"),
+        invalid("(Math.pow(a, b)) + foo", "(a**b) + foo"),
+        invalid("`${(Math.pow(a, b))}`", "`${(a**b)}`"),
+
+        // base and exponent with a higher precedence
+        invalid("Math.pow(2, 3)", "2**3"),
+        invalid("Math.pow(a.foo, b)", "a.foo**b"),
+        invalid("Math.pow(a, b.foo)", "a**b.foo"),
+        invalid("Math.pow(a(), b)", "a()**b"),
+        invalid("Math.pow(a, b())", "a**b()"),
+        invalid("Math.pow(++a, ++b)", "++a**++b"),
+        invalid("Math.pow(a++, ++b)", "a++**++b"),
+        invalid("Math.pow(a--, b--)", "a--**b--"),
+        invalid("Math.pow(--a, b--)", "--a**b--"),
+
+        // doesn't preserve unnecessary parens around base and exponent
+        invalid("Math.pow((a), (b))", "a**b"),
+        invalid("Math.pow(((a)), ((b)))", "a**b"),
+        invalid("Math.pow((a.foo), b)", "a.foo**b"),
+        invalid("Math.pow(a, (b.foo))", "a**b.foo"),
+        invalid("Math.pow((a()), b)", "a()**b"),
+        invalid("Math.pow(a, (b()))", "a**b()"),
+
+        // unary expressions are exception by the language - parens are required for the base to disambiguate operator precedence
+        invalid("Math.pow(+a, b)", "(+a)**b"),
+        invalid("Math.pow(a, +b)", "a**+b"),
+        invalid("Math.pow(-a, b)", "(-a)**b"),
+        invalid("Math.pow(a, -b)", "a**-b"),
+        invalid("Math.pow(-2, 3)", "(-2)**3"),
+        invalid("Math.pow(2, -3)", "2**-3"),
+
+        // base and exponent with a lower precedence
+        invalid("Math.pow(a * b, c)", "(a * b)**c"),
+        invalid("Math.pow(a, b * c)", "a**(b * c)"),
+        invalid("Math.pow(a / b, c)", "(a / b)**c"),
+        invalid("Math.pow(a, b / c)", "a**(b / c)"),
+        invalid("Math.pow(a + b, 3)", "(a + b)**3"),
+        invalid("Math.pow(2, a - b)", "2**(a - b)"),
+        invalid("Math.pow(a + b, c + d)", "(a + b)**(c + d)"),
+        invalid("Math.pow(a = b, c = d)", "(a = b)**(c = d)"),
+        invalid("Math.pow(a += b, c -= d)", "(a += b)**(c -= d)"),
+        invalid("Math.pow((a, b), (c, d))", "(a, b)**(c, d)"),
+        invalid("function *f() { Math.pow(yield, yield) }", "function *f() { (yield)**(yield) }"),
+
+        // doesn't put extra parens
+        invalid("Math.pow((a + b), (c + d))", "(a + b)**(c + d)"),
+
+        // tokens that can be adjacent
+        invalid("a+Math.pow(b, c)+d", "a+b**c+d"),
+
+        // tokens that cannot be adjacent
+        invalid("a+Math.pow(++b, c)", "a+ ++b**c"),
+        invalid("(a)+(Math).pow((++b), c)", "(a)+ ++b**c"),
+        invalid("Math.pow(a, b)in c", "a**b in c"),
+        invalid("Math.pow(a, (b))in (c)", "a**b in (c)"),
+        invalid("a+Math.pow(++b, c)in d", "a+ ++b**c in d"),
+        invalid("a+Math.pow( ++b, c )in d", "a+ ++b**c in d"),
+
+        // tokens that cannot be adjacent, but there is already space or something else between
+        invalid("a+ Math.pow(++b, c) in d", "a+ ++b**c in d"),
+        invalid("a+/**/Math.pow(++b, c)/**/in d", "a+/**/++b**c/**/in d"),
+        invalid("a+(Math.pow(++b, c))in d", "a+(++b**c)in d"),
+
+        // tokens that cannot be adjacent, but the autofix inserts parens required for precedence, so there is no need for an extra space
+        invalid("+Math.pow(++a, b)", "+(++a**b)"),
+        invalid("Math.pow(a, b + c)in d", "a**(b + c)in d"),
+
+        {
+            code: "Math.pow(a, b) + Math.pow(c,\n d)",
+            output: "a**b + c**d",
+            errors: [
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1,
+                    endLine: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 18,
+                    endLine: 2,
+                    endColumn: 4
+                }
+            ]
+        },
+        {
+            code: "Math.pow(Math.pow(a, b), Math.pow(c, d))",
+            output: "Math.pow(a, b)**Math.pow(c, d)", // tests perform only one autofix iteration, below is the following one
+            errors: [
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    column: 1,
+                    endColumn: 41
+                },
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    column: 10,
+                    endColumn: 24
+                },
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    column: 26,
+                    endColumn: 40
+                }
+            ]
+        },
+        {
+            code: "Math.pow(a, b)**Math.pow(c, d)",
+            output: "(a**b)**c**d",
+            errors: [
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    column: 1,
+                    endColumn: 15
+                },
+                {
+                    messageId: "useExponentiation",
+                    type: "CallExpression",
+                    column: 17,
+                    endColumn: 31
+                }
+            ]
+        },
+
+        // shouldn't autofix if the call doesn't have exactly two arguments
+        invalid("Math.pow()", null),
+        invalid("Math.pow(a)", null),
+        invalid("Math.pow(a, b, c)", null),
+        invalid("Math.pow(a, b, c, d)", null),
+
+        // shouldn't autofix if any of the arguments is spread
+        invalid("Math.pow(...a)", null),
+        invalid("Math.pow(...a, b)", null),
+        invalid("Math.pow(a, ...b)", null),
+        invalid("Math.pow(a, b, ...c)", null),
+
+        // shouldn't autofix if that would remove comments
+        invalid("/* comment */Math.pow(a, b)", "/* comment */a**b"),
+        invalid("Math/**/.pow(a, b)", null),
+        invalid("Math//\n.pow(a, b)", null),
+        invalid("Math[//\n'pow'](a, b)", null),
+        invalid("Math['pow'/**/](a, b)", null),
+        invalid("Math./**/pow(a, b)", null),
+        invalid("Math.pow/**/(a, b)", null),
+        invalid("Math.pow//\n(a, b)", null),
+        invalid("Math.pow(/**/a, b)", null),
+        invalid("Math.pow(a,//\n b)", null),
+        invalid("Math.pow(a, b/**/)", null),
+        invalid("Math.pow(a, b//\n)", null),
+        invalid("Math.pow(a, b)/* comment */;", "a**b/* comment */;"),
+        invalid("Math.pow(a, b)// comment\n;", "a**b// comment\n;")
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-named-capture-group.js b/eslint/tests/lib/rules/prefer-named-capture-group.js
new file mode 100644
index 0000000..0faf1d6
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-named-capture-group.js
@@ -0,0 +1,263 @@
+/**
+ * @fileoverview Tests for prefer-named-capture-group rule.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-named-capture-group"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+ruleTester.run("prefer-named-capture-group", rule, {
+    valid: [
+        "/normal_regex/",
+        "/(?:[0-9]{4})/",
+        "/(?<year>[0-9]{4})/",
+        "/\\u{1F680}/u",
+        "new RegExp()",
+        "new RegExp(foo)",
+        "new RegExp('')",
+        "new RegExp('(?<year>[0-9]{4})')",
+        "RegExp()",
+        "RegExp(foo)",
+        "RegExp('')",
+        "RegExp('(?<year>[0-9]{4})')",
+        "RegExp('(')", // invalid regexp should be ignored
+        "RegExp('\\\\u{1F680}', 'u')",
+        "new globalThis.RegExp('([0-9]{4})')",
+        {
+            code: "new globalThis.RegExp('([0-9]{4})')",
+            env: { es6: true }
+        },
+        {
+            code: "new globalThis.RegExp('([0-9]{4})')",
+            env: { es2017: true }
+        },
+        {
+            code: "new globalThis.RegExp()",
+            env: { es2020: true }
+        },
+        {
+            code: "new globalThis.RegExp(foo)",
+            env: { es2020: true }
+        },
+        {
+            code: "globalThis.RegExp(foo)",
+            env: { es2020: true }
+        },
+        {
+            code: `
+                var globalThis = bar;
+                globalThis.RegExp(foo);
+                `,
+            env: { es2020: true }
+        },
+        {
+            code: `
+                function foo () {
+                    var globalThis = bar;
+                    new globalThis.RegExp(baz);
+                }
+                `,
+            env: { es2020: true }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "/([0-9]{4})/",
+            errors: [{
+                messageId: "required",
+                type: "Literal",
+                data: { group: "([0-9]{4})" },
+                line: 1,
+                column: 1,
+                endColumn: 13
+            }]
+        },
+        {
+            code: "new RegExp('([0-9]{4})')",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "([0-9]{4})" },
+                line: 1,
+                column: 1,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "RegExp('([0-9]{4})')",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "([0-9]{4})" },
+                line: 1,
+                column: 1,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "new RegExp(`a(bc)d`)",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(bc)" }
+            }]
+        },
+        {
+            code: "/([0-9]{4})-(\\w{5})/",
+            errors: [
+                {
+                    messageId: "required",
+                    type: "Literal",
+                    data: { group: "([0-9]{4})" },
+                    line: 1,
+                    column: 1,
+                    endColumn: 21
+                },
+                {
+                    messageId: "required",
+                    type: "Literal",
+                    data: { group: "(\\w{5})" },
+                    line: 1,
+                    column: 1,
+                    endColumn: 21
+                }
+            ]
+        },
+        {
+            code: "new RegExp('(' + 'a)')",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(a)" }
+            }]
+        },
+        {
+            code: "new RegExp('a(bc)d' + 'e')",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(bc)" }
+            }]
+        },
+        {
+            code: "RegExp('(a)'+'')",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "(a)" }
+            }]
+        },
+        {
+            code: "RegExp( '' + '(ab)')",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "(ab)" }
+            }]
+        },
+        {
+            code: "new RegExp(`(ab)${''}`)",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(ab)" }
+            }]
+        },
+        {
+            code: "new RegExp(`(a)\n`)",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(a)" },
+                line: 1,
+                column: 1,
+                endLine: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "RegExp(`a(b\nc)d`)",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "(b\nc)" }
+            }]
+        },
+        {
+            code: "new RegExp('a(b)\\'')",
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "(b)" }
+            }]
+        },
+        {
+            code: "RegExp('(a)\\\\d')",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "(a)" }
+            }]
+        },
+        {
+            code: "RegExp(`\\a(b)`)",
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "(b)" }
+            }]
+        },
+        {
+            code: "new globalThis.RegExp('([0-9]{4})')",
+            env: { es2020: true },
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "([0-9]{4})" },
+                line: 1,
+                column: 1,
+                endColumn: 36
+            }]
+        },
+        {
+            code: "globalThis.RegExp('([0-9]{4})')",
+            env: { es2020: true },
+            errors: [{
+                messageId: "required",
+                type: "CallExpression",
+                data: { group: "([0-9]{4})" },
+                line: 1,
+                column: 1,
+                endColumn: 32
+            }]
+        },
+        {
+            code: `
+                function foo() { var globalThis = bar; }
+                new globalThis.RegExp('([0-9]{4})');
+            `,
+            env: { es2020: true },
+            errors: [{
+                messageId: "required",
+                type: "NewExpression",
+                data: { group: "([0-9]{4})" },
+                line: 3,
+                column: 17,
+                endColumn: 52
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-numeric-literals.js b/eslint/tests/lib/rules/prefer-numeric-literals.js
new file mode 100644
index 0000000..d8ce411
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-numeric-literals.js
@@ -0,0 +1,323 @@
+/**
+ * @fileoverview Tests for prefer-numeric-literals rule.
+ * @author Annie Zhang
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-numeric-literals"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-numeric-literals", rule, {
+    valid: [
+        "parseInt(1);",
+        "parseInt(1, 3);",
+        "Number.parseInt(1);",
+        "Number.parseInt(1, 3);",
+        "0b111110111 === 503;",
+        "0o767 === 503;",
+        "0x1F7 === 503;",
+        "a[parseInt](1,2);",
+        "parseInt(foo);",
+        "parseInt(foo, 2);",
+        "Number.parseInt(foo);",
+        "Number.parseInt(foo, 2);",
+        "parseInt(11, 2);",
+        "Number.parseInt(1, 8);",
+        "parseInt(1e5, 16);",
+        "parseInt('11', '2');",
+        "Number.parseInt('11', '8');",
+        "parseInt(/foo/, 2);",
+        "parseInt(`11${foo}`, 2);",
+        {
+            code: "parseInt('11', 2n);",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "Number.parseInt('11', 8n);",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "parseInt('11', 16n);",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "parseInt(`11`, 16n);",
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "parseInt(1n, 2);",
+            parserOptions: { ecmaVersion: 2020 }
+        }
+    ],
+    invalid: [
+        {
+            code: "parseInt(\"111110111\", 2) === 503;",
+            output: "0b111110111 === 503;",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(\"767\", 8) === 503;",
+            output: "0o767 === 503;",
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(\"1F7\", 16) === 255;",
+            output: "0x1F7 === 255;",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        }, {
+            code: "Number.parseInt(\"111110111\", 2) === 503;",
+            output: "0b111110111 === 503;",
+            errors: [{ message: "Use binary literals instead of Number.parseInt()." }]
+        }, {
+            code: "Number.parseInt(\"767\", 8) === 503;",
+            output: "0o767 === 503;",
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        }, {
+            code: "Number.parseInt(\"1F7\", 16) === 255;",
+            output: "0x1F7 === 255;",
+            errors: [{ message: "Use hexadecimal literals instead of Number.parseInt()." }]
+        }, {
+            code: "parseInt('7999', 8);",
+            output: null, // not fixed, unexpected 9 in parseInt string
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        }, {
+            code: "parseInt('1234', 2);",
+            output: null, // not fixed, invalid binary string
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        }, {
+            code: "parseInt('1234.5', 8);",
+            output: null, // not fixed, this isn't an integer
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        }, {
+            code: "parseInt('1️⃣3️⃣3️⃣7️⃣', 16);",
+            output: null, // not fixed, javascript doesn't support emoji literals
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        }, {
+            code: "Number.parseInt('7999', 8);",
+            output: null, // not fixed, unexpected 9 in parseInt string
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        }, {
+            code: "Number.parseInt('1234', 2);",
+            output: null, // not fixed, invalid binary string
+            errors: [{ message: "Use binary literals instead of Number.parseInt()." }]
+        }, {
+            code: "Number.parseInt('1234.5', 8);",
+            output: null, // not fixed, this isn't an integer
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        }, {
+            code: "Number.parseInt('1️⃣3️⃣3️⃣7️⃣', 16);",
+            output: null, // not fixed, javascript doesn't support emoji literals
+            errors: [{ message: "Use hexadecimal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "parseInt(`111110111`, 2) === 503;",
+            output: "0b111110111 === 503;",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(`767`, 8) === 503;",
+            output: "0o767 === 503;",
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(`1F7`, 16) === 255;",
+            output: "0x1F7 === 255;",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt('', 8);",
+            output: null, // not fixed, it's empty string
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt(``, 8);",
+            output: null, // not fixed, it's empty string
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt(`7999`, 8);",
+            output: null, // not fixed, unexpected 9 in parseInt string
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(`1234`, 2);",
+            output: null, // not fixed, invalid binary string
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        }, {
+            code: "parseInt(`1234.5`, 8);",
+            output: null, // not fixed, this isn't an integer
+            errors: [{ message: "Use octal literals instead of parseInt()." }]
+        },
+
+        // Adjacent tokens tests
+        {
+            code: "parseInt('11', 2)",
+            output: "0b11",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        },
+        {
+            code: "Number.parseInt('67', 8)",
+            output: "0o67",
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "5+parseInt('A', 16)",
+            output: "5+0xA",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield(Number).parseInt('11', 2) }",
+            output: "function *f(){ yield 0b11 }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use binary literals instead of (Number).parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield(Number.parseInt)('67', 8) }",
+            output: "function *f(){ yield 0o67 }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield(parseInt)('A', 16) }",
+            output: "function *f(){ yield 0xA }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield Number.parseInt('11', 2) }",
+            output: "function *f(){ yield 0b11 }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use binary literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield/**/Number.parseInt('67', 8) }",
+            output: "function *f(){ yield/**/0o67 }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "function *f(){ yield(parseInt('A', 16)) }",
+            output: "function *f(){ yield(0xA) }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt('11', 2)+5",
+            output: "0b11+5",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        },
+        {
+            code: "Number.parseInt('17', 8)+5",
+            output: "0o17+5",
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "parseInt('A', 16)+5",
+            output: "0xA+5",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt('11', 2)in foo",
+            output: "0b11 in foo",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        },
+        {
+            code: "Number.parseInt('17', 8)in foo",
+            output: "0o17 in foo",
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "parseInt('A', 16)in foo",
+            output: "0xA in foo",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+        {
+            code: "parseInt('11', 2) in foo",
+            output: "0b11 in foo",
+            errors: [{ message: "Use binary literals instead of parseInt()." }]
+        },
+        {
+            code: "Number.parseInt('17', 8)/**/in foo",
+            output: "0o17/**/in foo",
+            errors: [{ message: "Use octal literals instead of Number.parseInt()." }]
+        },
+        {
+            code: "(parseInt('A', 16))in foo",
+            output: "(0xA)in foo",
+            errors: [{ message: "Use hexadecimal literals instead of parseInt()." }]
+        },
+
+        // Should not autofix if it would remove comments
+        {
+            code: "/* comment */Number.parseInt('11', 2);",
+            output: "/* comment */0b11;",
+            errors: 1
+        },
+        {
+            code: "Number/**/.parseInt('11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "Number//\n.parseInt('11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "Number./**/parseInt('11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "Number.parseInt(/**/'11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "Number.parseInt('11', /**/2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "Number.parseInt('11', 2)/* comment */;",
+            output: "0b11/* comment */;",
+            errors: 1
+        },
+        {
+            code: "parseInt/**/('11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "parseInt(//\n'11', 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "parseInt('11'/**/, 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "parseInt(`11`/**/, 2);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "parseInt('11', 2 /**/);",
+            output: null,
+            errors: 1
+        },
+        {
+            code: "parseInt('11', 2)//comment\n;",
+            output: "0b11//comment\n;",
+            errors: 1
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-object-spread.js b/eslint/tests/lib/rules/prefer-object-spread.js
new file mode 100644
index 0000000..91bf08a
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-object-spread.js
@@ -0,0 +1,996 @@
+/**
+ * @fileoverview Prefers object spread property over Object.assign
+ * @author Sharmila Jesupaul
+ * See LICENSE file in root directory for full license.
+ */
+
+"use strict";
+
+const rule = require("../../../lib/rules/prefer-object-spread");
+
+const { RuleTester } = require("../../../lib/rule-tester");
+
+const parserOptions = {
+    ecmaVersion: 2018,
+    sourceType: "module"
+};
+
+const ruleTester = new RuleTester({ parserOptions });
+
+ruleTester.run("prefer-object-spread", rule, {
+    valid: [
+        "Object.assign()",
+        "let a = Object.assign(a, b)",
+        "Object.assign(a, b)",
+        "let a = Object.assign(b, { c: 1 })",
+        "const bar = { ...foo }",
+        "Object.assign(...foo)",
+        "Object.assign(foo, { bar: baz })",
+        "Object.assign({}, ...objects)",
+        "foo({ foo: 'bar' })",
+        `
+        const Object = {};
+        Object.assign({}, foo);
+        `,
+        `
+        Object = {};
+        Object.assign({}, foo);
+        `,
+        `
+        const Object = {};
+        Object.assign({ foo: 'bar' });
+        `,
+        `
+        Object = {};
+        Object.assign({ foo: 'bar' });
+        `,
+        `
+        const Object = require('foo');
+        Object.assign({ foo: 'bar' });
+        `,
+        `
+        import Object from 'foo';
+        Object.assign({ foo: 'bar' });
+        `,
+        `
+        import { Something as Object } from 'foo';
+        Object.assign({ foo: 'bar' });
+        `,
+        `
+        import { Object, Array } from 'globals';
+        Object.assign({ foo: 'bar' });
+        `,
+        "globalThis.Object.assign({}, foo)",
+        {
+            code: "globalThis.Object.assign({}, { foo: 'bar' })",
+            env: { es6: true }
+        },
+        {
+            code: "globalThis.Object.assign({}, baz, { foo: 'bar' })",
+            env: { es2017: true }
+        },
+        {
+            code: `
+                var globalThis = foo;
+                globalThis.Object.assign({}, foo)
+                `,
+            env: { es2020: true }
+        },
+
+        // ignore Object.assign() with > 1 arguments if any of the arguments is an object expression with a getter/setter
+        "Object.assign({ get a() {} }, {})",
+        "Object.assign({ set a(val) {} }, {})",
+        "Object.assign({ get a() {} }, foo)",
+        "Object.assign({ set a(val) {} }, foo)",
+        "Object.assign({ foo: 'bar', get a() {}, baz: 'quux' }, quuux)",
+        "Object.assign({ foo: 'bar', set a(val) {} }, { baz: 'quux' })",
+        "Object.assign({}, { get a() {} })",
+        "Object.assign({}, { set a(val) {} })",
+        "Object.assign({}, { foo: 'bar', get a() {} }, {})",
+        "Object.assign({ foo }, bar, {}, { baz: 'quux', set a(val) {}, quuux }, {})"
+    ],
+
+    invalid: [
+        {
+            code: "Object.assign({}, foo)",
+            output: "({ ...foo})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign  ({}, foo)",
+            output: "({ ...foo})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({}, { foo: 'bar' })",
+            output: "({ foo: 'bar'})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({}, baz, { foo: 'bar' })",
+            output: "({ ...baz, foo: 'bar'})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({}, { foo: 'bar', baz: 'foo' })",
+            output: "({ foo: 'bar', baz: 'foo'})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({ foo: 'bar' }, baz)",
+            output: "({foo: 'bar', ...baz})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Many args
+        {
+            code: "Object.assign({ foo: 'bar' }, cats, dogs, trees, birds)",
+            output: "({foo: 'bar', ...cats, ...dogs, ...trees, ...birds})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        {
+            code:
+                "Object.assign({ foo: 'bar' }, Object.assign({ bar: 'foo' }, baz))",
+            output: "({foo: 'bar', ...Object.assign({ bar: 'foo' }, baz)})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                },
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 31
+                }
+            ]
+        },
+        {
+            code:
+                "Object.assign({ foo: 'bar' }, Object.assign({ bar: 'foo' }, Object.assign({}, { superNested: 'butwhy' })))",
+            output: "({foo: 'bar', ...Object.assign({ bar: 'foo' }, Object.assign({}, { superNested: 'butwhy' }))})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                },
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 31
+                },
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 61
+                }
+            ]
+        },
+
+        // Mix spread in argument
+        {
+            code: "Object.assign({foo: 'bar', ...bar}, baz)",
+            output: "({foo: 'bar', ...bar, ...baz})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Object shorthand
+        {
+            code: "Object.assign({}, { foo, bar, baz })",
+            output: "({ foo, bar, baz})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Objects with computed properties
+        {
+            code: "Object.assign({}, { [bar]: 'foo' })",
+            output: "({ [bar]: 'foo'})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Objects with spread properties
+        {
+            code: "Object.assign({ ...bar }, { ...baz })",
+            output: "({...bar, ...baz})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // Multiline objects
+        {
+            code: `Object.assign({ ...bar }, {
+                // this is a bar
+                foo: 'bar',
+                baz: "cats"
+            })`,
+            output: `({...bar, // this is a bar
+                foo: 'bar',
+                baz: "cats"})`,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        {
+            code: `Object.assign({
+                boo: "lol",
+                // I'm a comment
+                dog: "cat"
+             }, {
+                // this is a bar
+                foo: 'bar',
+                baz: "cats"
+            })`,
+            output: `({boo: "lol",
+                // I'm a comment
+                dog: "cat", // this is a bar
+                foo: 'bar',
+                baz: "cats"})`,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // HTML comment
+        {
+            code: `const test = Object.assign({ ...bar }, {
+                <!-- html comment
+                foo: 'bar',
+                baz: "cats"
+                --> weird
+            })`,
+            output: `const test = {...bar, <!-- html comment
+                foo: 'bar',
+                baz: "cats"
+                --> weird
+            }`,
+            parserOptions: {
+                sourceType: "script"
+            },
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+
+        {
+            code: `const test = Object.assign({ ...bar }, {
+                foo: 'bar', // inline comment
+                baz: "cats"
+            })`,
+            output: `const test = {...bar, foo: 'bar', // inline comment
+                baz: "cats"}`,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+
+
+        {
+            code: `const test = Object.assign({ ...bar }, {
+                /**
+                 * foo
+                 */
+                foo: 'bar',
+                baz: "cats"
+            })`,
+            output: `const test = {...bar, /**
+                 * foo
+                 */
+                foo: 'bar',
+                baz: "cats"}`,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+
+
+        /*
+         * This is a special case where Object.assign is called with a single argument
+         * and that argument is an object expression. In this case we warn and display
+         * a message to use an object literal instead.
+         */
+        {
+            code: "Object.assign({})",
+            output: "({})",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({ foo: bar })",
+            output: "({foo: bar})",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        {
+            code: `
+                const foo = 'bar';
+                Object.assign({ foo: bar })
+            `,
+            output: `
+                const foo = 'bar';
+                ({foo: bar})
+            `,
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+
+        {
+            code: `
+                foo = 'bar';
+                Object.assign({ foo: bar })
+            `,
+            output: `
+                foo = 'bar';
+                ({foo: bar})
+            `,
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+
+        {
+            code: "let a = Object.assign({})",
+            output: "let a = {}",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "let a = Object.assign({}, a)",
+            output: "let a = { ...a}",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "let a = Object.assign   ({}, a)",
+            output: "let a = { ...a}",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "let a = Object.assign({ a: 1 }, b)",
+            output: "let a = {a: 1, ...b}",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 9
+                }
+            ]
+        },
+        {
+            code: "Object.assign(  {},  a,      b,   )",
+            output: "({    ...a,      ...b,   })",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({}, a ? b : {}, b => c, a = 2)",
+            output: "({ ...(a ? b : {}), ...(b => c), ...(a = 2)})",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: `
+                const someVar = 'foo';
+                Object.assign({}, a ? b : {}, b => c, a = 2)
+            `,
+            output: `
+                const someVar = 'foo';
+                ({ ...(a ? b : {}), ...(b => c), ...(a = 2)})
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                someVar = 'foo';
+                Object.assign({}, a ? b : {}, b => c, a = 2)
+            `,
+            output: `
+                someVar = 'foo';
+                ({ ...(a ? b : {}), ...(b => c), ...(a = 2)})
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+
+        // Cases where you don't need parens around an object literal
+        {
+            code: "[1, 2, Object.assign({}, a)]",
+            output: "[1, 2, { ...a}]",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 8
+                }
+            ]
+        },
+        {
+            code: "const foo = Object.assign({}, a)",
+            output: "const foo = { ...a}",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo() { return Object.assign({}, a) }",
+            output: "function foo() { return { ...a} }",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 25
+                }
+            ]
+        },
+        {
+            code: "foo(Object.assign({}, a));",
+            output: "foo({ ...a});",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 5
+                }
+            ]
+        },
+        {
+            code: "const x = { foo: 'bar', baz: Object.assign({}, a) }",
+            output: "const x = { foo: 'bar', baz: { ...a} }",
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 30
+                }
+            ]
+        },
+        {
+            code: `
+                import Foo from 'foo';
+                Object.assign({ foo: Foo });
+            `,
+            output: `
+                import Foo from 'foo';
+                ({foo: Foo});
+            `,
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                import Foo from 'foo';
+                Object.assign({}, Foo);
+            `,
+            output: `
+                import Foo from 'foo';
+                ({ ...Foo});
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                const Foo = require('foo');
+                Object.assign({ foo: Foo });
+            `,
+            output: `
+                const Foo = require('foo');
+                ({foo: Foo});
+            `,
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                import { Something as somethingelse } from 'foo';
+                Object.assign({}, somethingelse);
+            `,
+            output: `
+                import { Something as somethingelse } from 'foo';
+                ({ ...somethingelse});
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                import { foo } from 'foo';
+                Object.assign({ foo: Foo });
+            `,
+            output: `
+                import { foo } from 'foo';
+                ({foo: Foo});
+            `,
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                const Foo = require('foo');
+                Object.assign({}, Foo);
+            `,
+            output: `
+                const Foo = require('foo');
+                ({ ...Foo});
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                const actions = Object.assign(
+                    {
+                        onChangeInput: this.handleChangeInput,
+                    },
+                    this.props.actions
+                );
+            `,
+            output: `
+                const actions = {
+                    onChangeInput: this.handleChangeInput,
+                    ...this.props.actions
+                };
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 33
+                }
+            ]
+        },
+        {
+            code: `
+                const actions = Object.assign(
+                    {
+                        onChangeInput: this.handleChangeInput, //
+                    },
+                    this.props.actions
+                );
+            `,
+            output: `
+                const actions = {
+                    onChangeInput: this.handleChangeInput, //
+                    
+                    ...this.props.actions
+                };
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 33
+                }
+            ]
+        },
+        {
+            code: `
+                const actions = Object.assign(
+                    {
+                        onChangeInput: this.handleChangeInput //
+                    },
+                    this.props.actions
+                );
+            `,
+            output: `
+                const actions = {
+                    onChangeInput: this.handleChangeInput //
+                    ,
+                    ...this.props.actions
+                };
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 33
+                }
+            ]
+        },
+        {
+            code: `
+                const actions = Object.assign(
+                    (
+                        {
+                            onChangeInput: this.handleChangeInput
+                        }
+                    ),
+                    (
+                        this.props.actions
+                    )
+                );
+            `,
+            output: `
+                const actions = {
+                    
+                            onChangeInput: this.handleChangeInput
+                        ,
+                    ...(
+                        this.props.actions
+                    )
+                };
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 33
+                }
+            ]
+        },
+        {
+            code: `
+                eventData = Object.assign({}, eventData, { outsideLocality: \`\${originLocality} - \${destinationLocality}\` })
+            `,
+            output: `
+                eventData = { ...eventData, outsideLocality: \`\${originLocality} - \${destinationLocality}\`}
+            `,
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 2,
+                    column: 29
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/10646
+        {
+            code: "Object.assign({ });",
+            output: "({});",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "Object.assign({\n});",
+            output: "({});",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "globalThis.Object.assign({ });",
+            output: "({});",
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: "globalThis.Object.assign({\n});",
+            output: "({});",
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+        {
+            code: `
+                function foo () { var globalThis = bar; }
+                globalThis.Object.assign({ });
+            `,
+            output: `
+                function foo () { var globalThis = bar; }
+                ({});
+            `,
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+        {
+            code: `
+                const Foo = require('foo');
+                globalThis.Object.assign({ foo: Foo });
+            `,
+            output: `
+                const Foo = require('foo');
+                ({foo: Foo});
+            `,
+            env: { es2020: true },
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 3,
+                    column: 17
+                }
+            ]
+        },
+
+        // report Object.assign() with getters/setters if the function call has only 1 argument
+        {
+            code: "Object.assign({ get a() {}, set b(val) {} })",
+            output: "({get a() {}, set b(val) {}})",
+            errors: [
+                {
+                    messageId: "useLiteralMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/13058
+        {
+            code: "const obj = Object.assign<{}, Record<string, string[]>>({}, getObject());",
+            output: "const obj = { ...getObject()};",
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-1"),
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "Object.assign<{}, A>({}, foo);",
+            output: "({ ...foo});",
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/object-assign-with-generic/object-assign-with-generic-2"),
+            errors: [
+                {
+                    messageId: "useSpreadMessage",
+                    type: "CallExpression",
+                    line: 1,
+                    column: 1
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-promise-reject-errors.js b/eslint/tests/lib/rules/prefer-promise-reject-errors.js
new file mode 100644
index 0000000..012e44c
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-promise-reject-errors.js
@@ -0,0 +1,96 @@
+/**
+ * @fileoverview restrict values that can be used as Promise rejection reasons
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-promise-reject-errors");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 8 } });
+
+ruleTester.run("prefer-promise-reject-errors", rule, {
+
+    valid: [
+        "Promise.resolve(5)",
+        "Foo.reject(5)",
+        "Promise.reject(foo)",
+        "Promise.reject(foo.bar)",
+        "Promise.reject(foo.bar())",
+        "Promise.reject(new Error())",
+        "Promise.reject(new TypeError)",
+        "Promise.reject(new Error('foo'))",
+        "new Foo((resolve, reject) => reject(5))",
+        "new Promise(function(resolve, reject) { return function(reject) { reject(5) } })",
+        "new Promise(function(resolve, reject) { if (foo) { const reject = somethingElse; reject(5) } })",
+        "new Promise(function(resolve, {apply}) { apply(5) })",
+        "new Promise(function(resolve, reject) { resolve(5, reject) })",
+        "async function foo() { Promise.reject(await foo); }",
+        {
+            code: "Promise.reject()",
+            options: [{ allowEmptyReject: true }]
+        },
+        {
+            code: "new Promise(function(resolve, reject) { reject() })",
+            options: [{ allowEmptyReject: true }]
+        }
+    ],
+
+    invalid: [
+        "Promise.reject(5)",
+        "Promise.reject('foo')",
+        "Promise.reject(`foo`)",
+        "Promise.reject(!foo)",
+        "Promise.reject(void foo)",
+        "Promise.reject()",
+        "Promise.reject(undefined)",
+        "Promise.reject({ foo: 1 })",
+        "Promise.reject([1, 2, 3])",
+        {
+            code: "Promise.reject()",
+            options: [{ allowEmptyReject: false }]
+        },
+        {
+            code: "new Promise(function(resolve, reject) { reject() })",
+            options: [{ allowEmptyReject: false }]
+        },
+        {
+            code: "Promise.reject(undefined)",
+            options: [{ allowEmptyReject: true }]
+        },
+        "Promise.reject('foo', somethingElse)",
+        "new Promise(function(resolve, reject) { reject(5) })",
+        "new Promise((resolve, reject) => { reject(5) })",
+        "new Promise((resolve, reject) => reject(5))",
+        "new Promise((resolve, reject) => reject())",
+        "new Promise(function(yes, no) { no(5) })",
+        `
+          new Promise((resolve, reject) => {
+            fs.readFile('foo.txt', (err, file) => {
+              if (err) reject('File not found')
+              else resolve(file)
+            })
+          })
+        `,
+        "new Promise(({foo, bar, baz}, reject) => reject(5))",
+        "new Promise(function(reject, reject) { reject(5) })",
+        "new Promise(function(foo, arguments) { arguments(5) })",
+        "new Promise((foo, arguments) => arguments(5))",
+        "new Promise(function({}, reject) { reject(5) })",
+        "new Promise(({}, reject) => reject(5))",
+        "new Promise((resolve, reject, somethingElse = reject(5)) => {})"
+    ].map(invalidCase => {
+        const errors = { errors: [{ messageId: "rejectAnError", type: "CallExpression" }] };
+
+        return Object.assign({}, errors, typeof invalidCase === "string" ? { code: invalidCase } : invalidCase);
+    })
+});
diff --git a/eslint/tests/lib/rules/prefer-reflect.js b/eslint/tests/lib/rules/prefer-reflect.js
new file mode 100644
index 0000000..5da4261
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-reflect.js
@@ -0,0 +1,285 @@
+/**
+ * @fileoverview Tests for prefer-reflect rule.
+ * @author Keith Cirkel
+ * @deprecated in ESLint v3.9.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/prefer-reflect"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("prefer-reflect", rule, {
+    valid: [
+
+        // Reflect.apply
+        "Reflect.apply(function(){}, null, 1, 2);",
+        { code: "Reflect.apply(function(){}, null, 1, 2);", options: [{ exceptions: ["apply"] }] },
+        { code: "(function(){}).apply(null, [1, 2]);", options: [{ exceptions: ["apply"] }] },
+        { code: "(function(){}).call(null, 1, 2);", options: [{ exceptions: ["call"] }] },
+
+        // Reflect.defineProperty
+        "Reflect.defineProperty({}, 'foo', {value: 1})",
+        { code: "Reflect.defineProperty({}, 'foo', {value: 1})", options: [{ exceptions: ["defineProperty"] }] },
+        { code: "Object.defineProperty({}, 'foo', {value: 1})", options: [{ exceptions: ["defineProperty"] }] },
+
+        // Reflect.getOwnPropertyDescriptor
+        "Reflect.getOwnPropertyDescriptor({}, 'foo');",
+        { code: "Reflect.getOwnPropertyDescriptor({}, 'foo');", options: [{ exceptions: ["getOwnPropertyDescriptor"] }] },
+        { code: "Object.getOwnPropertyDescriptor({}, 'foo');", options: [{ exceptions: ["getOwnPropertyDescriptor"] }] },
+
+        // Reflect.getPrototypeOf
+        "Reflect.getPrototypeOf({});",
+        { code: "Reflect.getPrototypeOf({});", options: [{ exceptions: ["getPrototypeOf"] }] },
+        { code: "Object.getPrototypeOf({});", options: [{ exceptions: ["getPrototypeOf"] }] },
+
+        // Reflect.setPrototypeOf
+        "Reflect.setPrototypeOf({}, Object.prototype);",
+        { code: "Reflect.setPrototypeOf({}, Object.prototype);", options: [{ exceptions: ["setPrototypeOf"] }] },
+        { code: "Object.setPrototypeOf({}, Object.prototype);", options: [{ exceptions: ["setPrototypeOf"] }] },
+
+        // Reflect.isExtensible
+        "Reflect.isExtensible({});",
+        { code: "Reflect.isExtensible({});", options: [{ exceptions: ["isExtensible"] }] },
+        { code: "Object.isExtensible({});", options: [{ exceptions: ["isExtensible"] }] },
+
+        // Reflect.getOwnPropertyNames
+        "Reflect.getOwnPropertyNames({});",
+        { code: "Reflect.getOwnPropertyNames({});", options: [{ exceptions: ["getOwnPropertyNames"] }] },
+        { code: "Object.getOwnPropertyNames({});", options: [{ exceptions: ["getOwnPropertyNames"] }] },
+
+        // Reflect.getOwnPropertyNames
+        "Reflect.preventExtensions({});",
+        { code: "Reflect.preventExtensions({});", options: [{ exceptions: ["preventExtensions"] }] },
+        { code: "Object.preventExtensions({});", options: [{ exceptions: ["preventExtensions"] }] },
+
+        // Reflect.getOwnPropertyNames
+        "Reflect.deleteProperty({}, 'foo');",
+        { code: "Reflect.deleteProperty({}, 'foo');", options: [{ exceptions: ["delete"] }] },
+        "delete foo;",
+        { code: "delete ({}).foo", options: [{ exceptions: ["delete"] }] }
+    ],
+    invalid: [
+
+        {
+            code: "(function(){}).apply(null, [1, 2])",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Function.prototype.apply", substitute: "Reflect.apply" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "(function(){}).apply(null, [1, 2])",
+            options: [{ exceptions: ["defineProperty"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Function.prototype.apply", substitute: "Reflect.apply" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "(function(){}).call(null, 1, 2)",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Function.prototype.call", substitute: "Reflect.apply" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "(function(){}).call(null, 1, 2)",
+            options: [{ exceptions: ["defineProperty"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Function.prototype.call", substitute: "Reflect.apply" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.defineProperty({}, 'foo', { value: 1 })",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.defineProperty", substitute: "Reflect.defineProperty" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.defineProperty({}, 'foo', { value: 1 })",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.defineProperty", substitute: "Reflect.defineProperty" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getOwnPropertyDescriptor({}, 'foo')",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getOwnPropertyDescriptor", substitute: "Reflect.getOwnPropertyDescriptor" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getOwnPropertyDescriptor({}, 'foo')",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getOwnPropertyDescriptor", substitute: "Reflect.getOwnPropertyDescriptor" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getPrototypeOf({})",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getPrototypeOf", substitute: "Reflect.getPrototypeOf" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getPrototypeOf({})",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getPrototypeOf", substitute: "Reflect.getPrototypeOf" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.setPrototypeOf({}, Object.prototype)",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.setPrototypeOf", substitute: "Reflect.setPrototypeOf" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.setPrototypeOf({}, Object.prototype)",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.setPrototypeOf", substitute: "Reflect.setPrototypeOf" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.isExtensible({})",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.isExtensible", substitute: "Reflect.isExtensible" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.isExtensible({})",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.isExtensible", substitute: "Reflect.isExtensible" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getOwnPropertyNames({})",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getOwnPropertyNames", substitute: "Reflect.getOwnPropertyNames" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.getOwnPropertyNames({})",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.getOwnPropertyNames", substitute: "Reflect.getOwnPropertyNames" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.preventExtensions({})",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.preventExtensions", substitute: "Reflect.preventExtensions" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "Object.preventExtensions({})",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "Object.preventExtensions", substitute: "Reflect.preventExtensions" },
+                    type: "CallExpression"
+                }
+            ]
+        },
+        {
+            code: "delete ({}).foo",
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "the delete keyword", substitute: "Reflect.deleteProperty" },
+                    type: "UnaryExpression"
+                }
+            ]
+        },
+        {
+            code: "delete ({}).foo",
+            options: [{ exceptions: ["apply"] }],
+            errors: [
+                {
+                    messageId: "preferReflect",
+                    data: { existing: "the delete keyword", substitute: "Reflect.deleteProperty" },
+                    type: "UnaryExpression"
+                }
+            ]
+        }
+
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-regex-literals.js b/eslint/tests/lib/rules/prefer-regex-literals.js
new file mode 100644
index 0000000..65979de
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-regex-literals.js
@@ -0,0 +1,201 @@
+/**
+ * @fileoverview Tests for the prefer-regex-literals rule
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-regex-literals");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2015 } });
+
+ruleTester.run("prefer-regex-literals", rule, {
+    valid: [
+        "/abc/",
+        "/abc/g",
+
+        // considered as dynamic
+        "new RegExp(pattern)",
+        "RegExp(pattern, 'g')",
+        "new RegExp(f('a'))",
+        "RegExp(prefix + 'a')",
+        "new RegExp('a' + suffix)",
+        "RegExp(`a` + suffix);",
+        "new RegExp(String.raw`a` + suffix);",
+        "RegExp('a', flags)",
+        "RegExp('a', 'g' + flags)",
+        "new RegExp(String.raw`a`, flags);",
+        "RegExp(`${prefix}abc`)",
+        "new RegExp(`a${b}c`);",
+        "new RegExp(`a${''}c`);",
+        "new RegExp(String.raw`a${b}c`);",
+        "new RegExp(String.raw`a${''}c`);",
+        "new RegExp('a' + 'b')",
+        "RegExp(1)",
+
+        // invalid number of arguments
+        "new RegExp;",
+        "new RegExp();",
+        "RegExp();",
+        "new RegExp('a', 'g', 'b');",
+        "RegExp('a', 'g', 'b');",
+        "new RegExp(`a`, `g`, `b`);",
+        "RegExp(`a`, `g`, `b`);",
+        "new RegExp(String.raw`a`, String.raw`g`, String.raw`b`);",
+        "RegExp(String.raw`a`, String.raw`g`, String.raw`b`);",
+
+        // not String.raw``
+        "new RegExp(String`a`);",
+        "RegExp(raw`a`);",
+        "new RegExp(f(String.raw)`a`);",
+        "RegExp(string.raw`a`);",
+        "new RegExp(String.Raw`a`);",
+        "new RegExp(String[raw]`a`);",
+        "RegExp(String.raw.foo`a`);",
+        "new RegExp(String.foo.raw`a`);",
+        "RegExp(foo.String.raw`a`);",
+        "new RegExp(String.raw);",
+
+        // not the global String in String.raw``
+        "let String; new RegExp(String.raw`a`);",
+        "function foo() { var String; new RegExp(String.raw`a`); }",
+        "function foo(String) { RegExp(String.raw`a`); }",
+        "if (foo) { const String = bar; RegExp(String.raw`a`); }",
+        "/* globals String:off */ new RegExp(String.raw`a`);",
+        {
+            code: "RegExp('a', String.raw`g`);",
+            globals: { String: "off" }
+        },
+
+        // not RegExp
+        "new Regexp('abc');",
+        "Regexp(`a`);",
+        "new Regexp(String.raw`a`);",
+
+        // not the global RegExp
+        "let RegExp; new RegExp('a');",
+        "function foo() { var RegExp; RegExp('a', 'g'); }",
+        "function foo(RegExp) { new RegExp(String.raw`a`); }",
+        "if (foo) { const RegExp = bar; RegExp('a'); }",
+        "/* globals RegExp:off */ new RegExp('a');",
+        {
+            code: "RegExp('a');",
+            globals: { RegExp: "off" }
+        },
+        "new globalThis.RegExp('a');",
+        {
+            code: "new globalThis.RegExp('a');",
+            env: { es6: true }
+        },
+        {
+            code: "new globalThis.RegExp('a');",
+            env: { es2017: true }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "new RegExp('abc');",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp('abc');",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp('abc', 'g');",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp('abc', 'g');",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(`abc`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp(`abc`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(`abc`, `g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp(`abc`, `g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(String.raw`abc`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp(String.raw`abc`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(String.raw`abc`, String.raw`g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp(String.raw`abc`, String.raw`g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(String['raw']`a`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "new RegExp('');",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp('', '');",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(String.raw``);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "new RegExp('a', `g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp(`a`, 'g');",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "RegExp(String.raw`a`, 'g');",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new RegExp(String.raw`\\d`, `g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "RegExp('a', String.raw`g`);",
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        },
+        {
+            code: "new globalThis.RegExp('a');",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedRegExp", type: "NewExpression" }]
+        },
+        {
+            code: "globalThis.RegExp('a');",
+            env: { es2020: true },
+            errors: [{ messageId: "unexpectedRegExp", type: "CallExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-rest-params.js b/eslint/tests/lib/rules/prefer-rest-params.js
new file mode 100644
index 0000000..3ab3fc5
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-rest-params.js
@@ -0,0 +1,33 @@
+/**
+ * @fileoverview Tests for prefer-rest-params rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-rest-params"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-rest-params", rule, {
+    valid: [
+        "arguments;",
+        "function foo(arguments) { arguments; }",
+        "function foo() { var arguments; arguments; }",
+        "var foo = () => arguments;", // Arrows don't have "arguments".,
+        "function foo(...args) { args; }",
+        "function foo() { arguments.length; }",
+        "function foo() { arguments.callee; }"
+    ],
+    invalid: [
+        { code: "function foo() { arguments; }", errors: [{ type: "Identifier", messageId: "preferRestParams" }] },
+        { code: "function foo() { arguments[0]; }", errors: [{ type: "Identifier", messageId: "preferRestParams" }] },
+        { code: "function foo() { arguments[1]; }", errors: [{ type: "Identifier", messageId: "preferRestParams" }] },
+        { code: "function foo() { arguments[Symbol.iterator]; }", errors: [{ type: "Identifier", messageId: "preferRestParams" }] }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-spread.js b/eslint/tests/lib/rules/prefer-spread.js
new file mode 100644
index 0000000..580d7fa
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-spread.js
@@ -0,0 +1,78 @@
+/**
+ * @fileoverview Tests for prefer-spread rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-spread");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errors = [{ messageId: "preferSpread", type: "CallExpression" }];
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-spread", rule, {
+    valid: [
+        "foo.apply(obj, args);",
+        "obj.foo.apply(null, args);",
+        "obj.foo.apply(otherObj, args);",
+        "a.b(x, y).c.foo.apply(a.b(x, z).c, args);",
+        "a.b.foo.apply(a.b.c, args);",
+
+        // ignores non variadic.
+        "foo.apply(undefined, [1, 2]);",
+        "foo.apply(null, [1, 2]);",
+        "obj.foo.apply(obj, [1, 2]);",
+
+        // ignores computed property.
+        "var apply; foo[apply](null, args);",
+
+        // ignores incomplete things.
+        "foo.apply();",
+        "obj.foo.apply();",
+        "obj.foo.apply(obj, ...args)"
+    ],
+    invalid: [
+        {
+            code: "foo.apply(undefined, args);",
+            errors
+        },
+        {
+            code: "foo.apply(void 0, args);",
+            errors
+        },
+        {
+            code: "foo.apply(null, args);",
+            errors
+        },
+        {
+            code: "obj.foo.apply(obj, args);",
+            errors
+        },
+        {
+            code: "a.b.c.foo.apply(a.b.c, args);",
+            errors
+        },
+        {
+            code: "a.b(x, y).c.foo.apply(a.b(x, y).c, args);",
+            errors
+        },
+        {
+            code: "[].concat.apply([ ], args);",
+            errors
+        },
+        {
+            code: "[].concat.apply([\n/*empty*/\n], args);",
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/prefer-template.js b/eslint/tests/lib/rules/prefer-template.js
new file mode 100644
index 0000000..3ac3879
--- /dev/null
+++ b/eslint/tests/lib/rules/prefer-template.js
@@ -0,0 +1,223 @@
+/**
+ * @fileoverview Tests for prefer-template rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/prefer-template");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const errors = [{
+    messageId: "unexpectedStringConcatenation",
+    type: "BinaryExpression"
+}];
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("prefer-template", rule, {
+    valid: [
+        "'use strict';",
+        "var foo = 'foo' + '\\0';",
+        "var foo = 'bar';",
+        "var foo = 'bar' + 'baz';",
+        "var foo = foo + +'100';",
+        "var foo = `bar`;",
+        "var foo = `hello, ${name}!`;",
+
+        // https://github.com/eslint/eslint/issues/3507
+        "var foo = `foo` + `bar` + \"hoge\";",
+        "var foo = `foo` +\n    `bar` +\n    \"hoge\";"
+    ],
+    invalid: [
+        {
+            code: "var foo = 'hello, ' + name + '!';",
+            output: "var foo = `hello, ${  name  }!`;",
+            errors
+        },
+        {
+            code: "var foo = bar + 'baz';",
+            output: "var foo = `${bar  }baz`;",
+            errors
+        },
+        {
+            code: "var foo = bar + `baz`;",
+            output: "var foo = `${bar  }baz`;",
+            errors
+        },
+        {
+            code: "var foo = +100 + 'yen';",
+            output: "var foo = `${+100  }yen`;",
+            errors
+        },
+        {
+            code: "var foo = 'bar' + baz;",
+            output: "var foo = `bar${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = 'ï¿¥' + (n * 1000) + '-'",
+            output: "var foo = `ï¿¥${  n * 1000  }-`",
+            errors
+        },
+        {
+            code: "var foo = 'aaa' + aaa; var bar = 'bbb' + bbb;",
+            output: "var foo = `aaa${  aaa}`; var bar = `bbb${  bbb}`;",
+            errors: [errors[0], errors[0]]
+        },
+        {
+            code: "var string = (number + 1) + 'px';",
+            output: "var string = `${number + 1  }px`;",
+            errors
+        },
+        {
+            code: "var foo = 'bar' + baz + 'qux';",
+            output: "var foo = `bar${  baz  }qux`;",
+            errors
+        },
+        {
+            code: "var foo = '0 backslashes: ${bar}' + baz;",
+            output: "var foo = `0 backslashes: \\${bar}${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = '1 backslash: \\${bar}' + baz;",
+            output: "var foo = `1 backslash: \\${bar}${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = '2 backslashes: \\\\${bar}' + baz;",
+            output: "var foo = `2 backslashes: \\\\\\${bar}${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = '3 backslashes: \\\\\\${bar}' + baz;",
+            output: "var foo = `3 backslashes: \\\\\\${bar}${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = bar + 'this is a backtick: `' + baz;",
+            output: "var foo = `${bar  }this is a backtick: \\`${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = bar + 'this is a backtick preceded by a backslash: \\`' + baz;",
+            output: "var foo = `${bar  }this is a backtick preceded by a backslash: \\`${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = bar + 'this is a backtick preceded by two backslashes: \\\\`' + baz;",
+            output: "var foo = `${bar  }this is a backtick preceded by two backslashes: \\\\\\`${  baz}`;",
+            errors
+        },
+        {
+            code: "var foo = bar + `${baz}foo`;",
+            output: "var foo = `${bar  }${baz}foo`;",
+            errors
+        },
+        {
+            code:
+            "var foo = 'favorites: ' + favorites.map(f => {\n" +
+            "    return f.name;\n" +
+            "}) + ';';",
+            output:
+            "var foo = `favorites: ${  favorites.map(f => {\n" +
+            "    return f.name;\n" +
+            "})  };`;",
+            errors
+        },
+        {
+            code: "var foo = bar + baz + 'qux';",
+            output: "var foo = `${bar + baz  }qux`;",
+            errors
+        },
+        {
+            code:
+            "var foo = 'favorites: ' +\n" +
+            "    favorites.map(f => {\n" +
+            "        return f.name;\n" +
+            "    }) +\n" +
+            "';';",
+            output:
+            "var foo = `favorites: ${ \n" +
+            "    favorites.map(f => {\n" +
+            "        return f.name;\n" +
+            "    }) \n" +
+            "};`;",
+            errors
+        },
+        {
+            code: "var foo = /* a */ 'bar' /* b */ + /* c */ baz /* d */ + 'qux' /* e */ ;",
+            output: "var foo = /* a */ `bar${ /* b */  /* c */ baz /* d */  }qux` /* e */ ;",
+            errors
+        },
+        {
+            code: "var foo = bar + ('baz') + 'qux' + (boop);",
+            output: "var foo = `${bar  }baz` + `qux${  boop}`;",
+            errors
+        },
+        {
+            code: "foo + 'unescapes an escaped single quote in a single-quoted string: \\''",
+            output: "`${foo  }unescapes an escaped single quote in a single-quoted string: '`",
+            errors
+        },
+        {
+            code: "foo + \"unescapes an escaped double quote in a double-quoted string: \\\"\"",
+            output: "`${foo  }unescapes an escaped double quote in a double-quoted string: \"`",
+            errors
+        },
+        {
+            code: "foo + 'does not unescape an escaped double quote in a single-quoted string: \\\"'",
+            output: "`${foo  }does not unescape an escaped double quote in a single-quoted string: \\\"`",
+            errors
+        },
+        {
+            code: "foo + \"does not unescape an escaped single quote in a double-quoted string: \\'\"",
+            output: "`${foo  }does not unescape an escaped single quote in a double-quoted string: \\'`",
+            errors
+        },
+        {
+            code: "foo + 'handles unicode escapes correctly: \\x27'", // "\x27" === "'"
+            output: "`${foo  }handles unicode escapes correctly: \\x27`",
+            errors
+        },
+        {
+            code: "foo + 'does not autofix octal escape sequence' + '\\033'",
+            output: null,
+            errors
+        },
+        {
+            code: "foo + '\\n other text \\033'",
+            output: null,
+            errors
+        },
+        {
+            code: "foo + '\\0\\1'",
+            output: null,
+            errors
+        },
+        {
+            code: "foo + '\\08'",
+            output: null,
+            errors
+        },
+        {
+            code: "foo + '\\\\033'",
+            output: "`${foo  }\\\\033`",
+            errors
+        },
+        {
+            code: "foo + '\\0'",
+            output: "`${foo  }\\0`",
+            errors
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/quote-props.js b/eslint/tests/lib/rules/quote-props.js
new file mode 100644
index 0000000..136e12f
--- /dev/null
+++ b/eslint/tests/lib/rules/quote-props.js
@@ -0,0 +1,384 @@
+/**
+ * @fileoverview Tests for quote-props rule.
+ * @author Mathias Bynens <http://mathiasbynens.be/>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/quote-props"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("quote-props", rule, {
+    valid: [
+        "({ '0': 0 })",
+        "({ 'a': 0 })",
+        "({ \"a\": 0 })",
+        "({ 'null': 0 })",
+        "({ 'true': 0 })",
+        "({ 'a-b': 0 })",
+        "({ 'if': 0 })",
+        "({ '@': 0 })",
+
+        { code: "({ 'a': 0, b(){} })", parserOptions: { ecmaVersion: 6 } },
+        { code: "({ [x]: 0 });", env: { es6: true } },
+        { code: "({ x });", env: { es6: true } },
+        { code: "({ a: 0, b(){} })", options: ["as-needed"], parserOptions: { ecmaVersion: 6 } },
+        { code: "({ a: 0, [x]: 1 })", options: ["as-needed"], env: { es6: true } },
+        { code: "({ a: 0, x })", options: ["as-needed"], env: { es6: true } },
+        { code: "({ '@': 0, [x]: 1 })", options: ["as-needed"], env: { es6: true } },
+        { code: "({ '@': 0, x })", options: ["as-needed"], env: { es6: true } },
+        { code: "({ a: 0, b: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, 0: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, true: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, null: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, if: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, while: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, volatile: 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, '-b': 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, '@': 0 })", options: ["as-needed"] },
+        { code: "({ a: 0, '0x0': 0 })", options: ["as-needed"] },
+        { code: "({ ' 0': 0, '0x0': 0 })", options: ["as-needed"] },
+        { code: "({ '0 ': 0 })", options: ["as-needed"] },
+        { code: "({ 'hey//meh': 0 })", options: ["as-needed"] },
+        { code: "({ 'hey/*meh': 0 })", options: ["as-needed"] },
+        { code: "({ 'hey/*meh*/': 0 })", options: ["as-needed"] },
+        { code: "({ 'a': 0, '-b': 0 })", options: ["consistent"] },
+        { code: "({ 'true': 0, 'b': 0 })", options: ["consistent"] },
+        { code: "({ null: 0, a: 0 })", options: ["consistent"] },
+        { code: "({ a: 0, b: 0 })", options: ["consistent"] },
+        { code: "({ 'a': 1, [x]: 0 });", options: ["consistent"], env: { es6: true } },
+        { code: "({ 'a': 1, x });", options: ["consistent"], env: { es6: true } },
+        { code: "({ a: 0, b: 0 })", options: ["consistent-as-needed"] },
+        { code: "({ a: 0, null: 0 })", options: ["consistent-as-needed"] },
+        { code: "({ 'a': 0, '-b': 0 })", options: ["consistent-as-needed"] },
+        { code: "({ '@': 0, 'B': 0 })", options: ["consistent-as-needed"] },
+        { code: "({ 'while': 0, 'B': 0 })", options: ["consistent-as-needed", { keywords: true }] },
+        { code: "({ '@': 0, 'B': 0 })", options: ["consistent-as-needed", { keywords: true }] },
+        { code: "({ '@': 1, [x]: 0 });", options: ["consistent-as-needed"], env: { es6: true } },
+        { code: "({ '@': 1, x });", options: ["consistent-as-needed"], env: { es6: true } },
+        { code: "({ a: 1, [x]: 0 });", options: ["consistent-as-needed"], env: { es6: true } },
+        { code: "({ a: 1, x });", options: ["consistent-as-needed"], env: { es6: true } },
+        { code: "({ a: 0, 'if': 0 })", options: ["as-needed", { keywords: true }] },
+        { code: "({ a: 0, 'while': 0 })", options: ["as-needed", { keywords: true }] },
+        { code: "({ a: 0, 'volatile': 0 })", options: ["as-needed", { keywords: true }] },
+        { code: "({'unnecessary': 1, 'if': 0})", options: ["as-needed", { keywords: true, unnecessary: false }] },
+        { code: "({'1': 1})", options: ["as-needed", { numbers: true }] },
+        { code: "({1: 1, x: 2})", options: ["consistent", { numbers: true }] },
+        { code: "({1: 1, x: 2})", options: ["consistent-as-needed", { numbers: true }] },
+        { code: "({ ...x })", options: ["as-needed"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "({ ...x })", options: ["consistent"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "({ ...x })", options: ["consistent-as-needed"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "({ 1n: 1 })", options: ["as-needed"], parserOptions: { ecmaVersion: 2020 } },
+        { code: "({ 1n: 1 })", options: ["as-needed", { numbers: false }], parserOptions: { ecmaVersion: 2020 } },
+        { code: "({ 1n: 1 })", options: ["consistent"], parserOptions: { ecmaVersion: 2020 } },
+        { code: "({ 1n: 1 })", options: ["consistent-as-needed"], parserOptions: { ecmaVersion: 2020 } },
+        { code: "({ '99999999999999999': 1 })", options: ["as-needed"], parserOptions: { ecmaVersion: 2020 } },
+        { code: "({ '1n': 1 })", options: ["as-needed"], parserOptions: { ecmaVersion: 2020 } }
+    ],
+    invalid: [{
+        code: "({ a: 0 })",
+        output: "({ \"a\": 0 })",
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "a" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 0: '0' })",
+        output: "({ \"0\": '0' })",
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "0" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 'a': 0 })",
+        output: "({ a: 0 })",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "a" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 'null': 0 })",
+        output: "({ null: 0 })",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "null" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 'true': 0 })",
+        output: "({ true: 0 })",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "true" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ '0': 0 })",
+        output: "({ 0: 0 })",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "0" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ '-a': 0, b: 0 })",
+        output: "({ '-a': 0, \"b\": 0 })",
+        options: ["consistent"],
+        errors: [{
+            messageId: "inconsistentlyQuotedProperty",
+            data: { key: "b" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ a: 0, 'b': 0 })",
+        output: "({ \"a\": 0, 'b': 0 })",
+        options: ["consistent"],
+        errors: [{
+            messageId: "inconsistentlyQuotedProperty",
+            data: { key: "a" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ '-a': 0, b: 0 })",
+        output: "({ '-a': 0, \"b\": 0 })",
+        options: ["consistent-as-needed"],
+        errors: [{
+            messageId: "inconsistentlyQuotedProperty",
+            data: { key: "b" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 'a': 0, 'b': 0 })",
+        output: "({ a: 0, b: 0 })",
+        options: ["consistent-as-needed"],
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" },
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code: "({ 'a': 0, [x]: 0 })",
+        output: "({ a: 0, [x]: 0 })",
+        options: ["consistent-as-needed"],
+        env: { es6: true },
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code: "({ 'a': 0, x })",
+        output: "({ a: 0, x })",
+        options: ["consistent-as-needed"],
+        env: { es6: true },
+        errors: [{
+            messageId: "redundantQuoting", type: "Property"
+        }]
+    }, {
+        code: "({ 'true': 0, 'null': 0 })",
+        output: "({ true: 0, null: 0 })",
+        options: ["consistent-as-needed"],
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" },
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code: "({ true: 0, 'null': 0 })",
+        output: "({ \"true\": 0, 'null': 0 })",
+        options: ["consistent"],
+        errors: [{
+            messageId: "inconsistentlyQuotedProperty",
+            data: { key: "true" },
+            type: "Property"
+        }]
+    }, {
+        code: "({ 'a': 0, 'b': 0 })",
+        output: "({ a: 0, b: 0 })",
+        options: ["consistent-as-needed", { keywords: true }],
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" },
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code: "({ while: 0, b: 0 })",
+        output: "({ \"while\": 0, \"b\": 0 })",
+        options: ["consistent-as-needed", { keywords: true }],
+        errors: [
+            {
+                messageId: "requireQuotesDueToReservedWord",
+                data: { property: "while" },
+                type: "Property"
+            },
+            {
+                messageId: "requireQuotesDueToReservedWord",
+                data: { property: "while" },
+                type: "Property"
+            }
+        ]
+    }, {
+        code: "({ while: 0, 'b': 0 })",
+        output: "({ \"while\": 0, 'b': 0 })",
+        options: ["consistent-as-needed", { keywords: true }],
+        errors: [{
+            messageId: "requireQuotesDueToReservedWord",
+            data: { property: "while" },
+            type: "Property"
+
+        }]
+    }, {
+        code: "({ foo: 0, 'bar': 0 })",
+        output: "({ foo: 0, bar: 0 })",
+        options: ["consistent-as-needed", { keywords: true }],
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code:
+        "({\n" +
+        "  /* a */ 'prop1' /* b */ : /* c */ value1 /* d */ ,\n" +
+        "  /* e */ prop2 /* f */ : /* g */ value2 /* h */,\n" +
+        "  /* i */ \"prop3\" /* j */ : /* k */ value3 /* l */\n" +
+        "})",
+        output:
+        "({\n" +
+        "  /* a */ 'prop1' /* b */ : /* c */ value1 /* d */ ,\n" +
+        "  /* e */ \"prop2\" /* f */ : /* g */ value2 /* h */,\n" +
+        "  /* i */ \"prop3\" /* j */ : /* k */ value3 /* l */\n" +
+        "})",
+        options: ["consistent"],
+        errors: [{
+            messageId: "inconsistentlyQuotedProperty",
+            data: { key: "prop2" },
+            type: "Property"
+        }]
+    }, {
+        code:
+        "({\n" +
+        "  /* a */ \"foo\" /* b */ : /* c */ value1 /* d */ ,\n" +
+        "  /* e */ \"bar\" /* f */ : /* g */ value2 /* h */,\n" +
+        "  /* i */ \"baz\" /* j */ : /* k */ value3 /* l */\n" +
+        "})",
+        output:
+        "({\n" +
+        "  /* a */ foo /* b */ : /* c */ value1 /* d */ ,\n" +
+        "  /* e */ bar /* f */ : /* g */ value2 /* h */,\n" +
+        "  /* i */ baz /* j */ : /* k */ value3 /* l */\n" +
+        "})",
+        options: ["consistent-as-needed"],
+        errors: [
+            { messageId: "redundantQuoting", type: "Property" },
+            { messageId: "redundantQuoting", type: "Property" },
+            { messageId: "redundantQuoting", type: "Property" }
+        ]
+    }, {
+        code: "({'if': 0})",
+        output: "({if: 0})",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "if" },
+            type: "Property"
+        }]
+    }, {
+        code: "({'synchronized': 0})",
+        output: "({synchronized: 0})",
+        options: ["as-needed"],
+        errors: [{
+            messageId: "unnecessarilyQuotedProperty",
+            data: { property: "synchronized" },
+            type: "Property"
+        }]
+    }, {
+        code: "({while: 0})",
+        output: "({\"while\": 0})",
+        options: ["as-needed", { keywords: true }],
+        errors: [{
+            messageId: "unquotedReservedProperty",
+            data: { property: "while" },
+            type: "Property"
+        }]
+    }, {
+        code: "({'unnecessary': 1, if: 0})",
+        output: "({'unnecessary': 1, \"if\": 0})",
+        options: ["as-needed", { keywords: true, unnecessary: false }],
+        errors: [{
+            messageId: "unquotedReservedProperty",
+            data: { property: "if" },
+            type: "Property"
+        }]
+    }, {
+        code: "({1: 1})",
+        output: "({\"1\": 1})",
+        options: ["as-needed", { numbers: true }],
+        errors: [{
+            messageId: "unquotedNumericProperty",
+            data: { property: "1" },
+            type: "Property"
+        }]
+    }, {
+        code: "({1: 1})",
+        output: "({\"1\": 1})",
+        options: ["always", { numbers: false }],
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "1" },
+            type: "Property"
+        }]
+    }, {
+        code: "({0x123: 1})",
+        output: "({\"291\": 1})", // 0x123 === 291
+        options: ["always"],
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "291" }
+
+        }]
+    }, {
+        code: "({1e2: 1})",
+        output: "({\"100\": 1})",
+        options: ["always", { numbers: false }],
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "100" }
+
+        }]
+    }, {
+        code: "({5.: 1})",
+        output: "({\"5\": 1})",
+        options: ["always", { numbers: false }],
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "5" }
+
+        }]
+    }, {
+        code: "({ 1n: 1 })",
+        output: "({ \"1\": 1 })",
+        options: ["always"],
+        parserOptions: { ecmaVersion: 2020 },
+        errors: [{
+            messageId: "unquotedPropertyFound",
+            data: { property: "1" }
+        }
+        ]
+    }, {
+        code: "({ 1n: 1 })",
+        output: "({ \"1\": 1 })",
+        options: ["as-needed", { numbers: true }],
+        parserOptions: { ecmaVersion: 2020 },
+        errors: [{
+            messageId: "unquotedNumericProperty",
+            data: { property: "1" }
+        }]
+    }]
+});
diff --git a/eslint/tests/lib/rules/quotes.js b/eslint/tests/lib/rules/quotes.js
new file mode 100644
index 0000000..86dc711
--- /dev/null
+++ b/eslint/tests/lib/rules/quotes.js
@@ -0,0 +1,619 @@
+/**
+ * @fileoverview Tests for quotes rule.
+ * @author Matt DuVall <http://www.mattduvall.com/>, Michael Paulukonis
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/quotes"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("quotes", rule, {
+    valid: [
+        "var foo = \"bar\";",
+        { code: "var foo = 'bar';", options: ["single"] },
+        { code: "var foo = \"bar\";", options: ["double"] },
+        { code: "var foo = 1;", options: ["single"] },
+        { code: "var foo = 1;", options: ["double"] },
+        { code: "var foo = \"'\";", options: ["single", { avoidEscape: true }] },
+        { code: "var foo = '\"';", options: ["double", { avoidEscape: true }] },
+        { code: "var foo = <>Hello world</>;", options: ["single"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <>Hello world</>;", options: ["double"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <>Hello world</>;", options: ["double", { avoidEscape: true }], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <>Hello world</>;", options: ["backtick"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <div>Hello world</div>;", options: ["single"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <div id=\"foo\"></div>;", options: ["single"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <div>Hello world</div>;", options: ["double"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <div>Hello world</div>;", options: ["double", { avoidEscape: true }], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = `bar`;", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `bar 'baz'`;", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `bar \"baz\"`;", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = 1;", options: ["backtick"] },
+        { code: "var foo = \"a string containing `backtick` quotes\";", options: ["backtick", { avoidEscape: true }] },
+        { code: "var foo = <div id=\"foo\"></div>;", options: ["backtick"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+        { code: "var foo = <div>Hello world</div>;", options: ["backtick"], parserOptions: { ecmaVersion: 6, ecmaFeatures: { jsx: true } } },
+
+        // Backticks are only okay if they have substitutions, contain a line break, or are tagged
+        { code: "var foo = `back\ntick`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `back\rtick`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `back\u2028tick`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `back\u2029tick`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "var foo = `back\\\\\ntick`;", // 2 backslashes followed by a newline
+            options: ["single"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "var foo = `back\\\\\\\\\ntick`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `\n`;", options: ["single"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `back${x}tick`;", options: ["double"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = tag`backtick`;", options: ["double"], parserOptions: { ecmaVersion: 6 } },
+
+        // Backticks are also okay if allowTemplateLiterals
+        { code: "var foo = `bar 'foo' baz` + 'bar';", options: ["single", { allowTemplateLiterals: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `bar 'foo' baz` + \"bar\";", options: ["double", { allowTemplateLiterals: true }], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `bar 'foo' baz` + `bar`;", options: ["backtick", { allowTemplateLiterals: true }], parserOptions: { ecmaVersion: 6 } },
+
+        // `backtick` should not warn the directive prologues.
+        { code: "\"use strict\"; var foo = `backtick`;", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "\"use strict\"; 'use strong'; \"use asm\"; var foo = `backtick`;", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo() { \"use strict\"; \"use strong\"; \"use asm\"; var foo = `backtick`; }", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "(function() { 'use strict'; 'use strong'; 'use asm'; var foo = `backtick`; })();", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "(() => { \"use strict\"; \"use strong\"; \"use asm\"; var foo = `backtick`; })();", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+
+        // `backtick` should not warn import/export sources.
+        { code: "import \"a\"; import 'b';", options: ["backtick"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import a from \"a\"; import b from 'b';", options: ["backtick"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export * from \"a\"; export * from 'b';", options: ["backtick"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // `backtick` should not warn property/method names (not computed).
+        { code: "var obj = {\"key0\": 0, 'key1': 1};", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "class Foo { 'bar'(){} }", options: ["backtick"], parserOptions: { ecmaVersion: 6 } },
+        { code: "class Foo { static ''(){} }", options: ["backtick"], parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = \"bar\";",
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = \"bar\";",
+            output: "var foo = 'bar';",
+            options: ["single"],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "singlequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = `bar`;",
+            output: "var foo = 'bar';",
+            options: ["single"],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "singlequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "var foo = 'don\\'t';",
+            output: "var foo = \"don't\";",
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var msg = \"Plugin '\" + name + \"' not found\"",
+            output: "var msg = 'Plugin \\'' + name + '\\' not found'",
+            options: ["single"],
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "singlequote" },
+                    type: "Literal",
+                    column: 11
+                },
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "singlequote" },
+                    type: "Literal",
+                    column: 31
+                }
+            ]
+        },
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = \"bar\";",
+            options: ["double"],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = `bar`;",
+            output: "var foo = \"bar\";",
+            options: ["double"],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "var foo = \"bar\";",
+            output: "var foo = 'bar';",
+            options: ["single", { avoidEscape: true }],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "singlequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = \"bar\";",
+            options: ["double", { avoidEscape: true }],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = '\\\\';",
+            output: "var foo = \"\\\\\";",
+            options: ["double", { avoidEscape: true }],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = \"bar\";",
+            output: "var foo = 'bar';",
+            options: ["single", { allowTemplateLiterals: true }],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "singlequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = \"bar\";",
+            options: ["double", { allowTemplateLiterals: true }],
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = `bar`;",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = 'b${x}a$r';",
+            output: "var foo = `b\\${x}a$r`;",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = \"bar\";",
+            output: "var foo = `bar`;",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = \"bar\";",
+            output: "var foo = `bar`;",
+            options: ["backtick", { avoidEscape: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "var foo = 'bar';",
+            output: "var foo = `bar`;",
+            options: ["backtick", { avoidEscape: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+
+        // "use strict" is *not* a directive prologue in these statements so is subject to the rule
+        {
+            code: "var foo = `backtick`; \"use strict\";",
+            output: "var foo = `backtick`; `use strict`;",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "{ \"use strict\"; var foo = `backtick`; }",
+            output: "{ `use strict`; var foo = `backtick`; }",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+        {
+            code: "if (1) { \"use strict\"; var foo = `backtick`; }",
+            output: "if (1) { `use strict`; var foo = `backtick`; }",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "backtick" },
+                type: "Literal"
+            }]
+        },
+
+        // `backtick` should warn computed property names.
+        {
+            code: "var obj = {[\"key0\"]: 0, ['key1']: 1};",
+            output: "var obj = {[`key0`]: 0, [`key1`]: 1};",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                },
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "class Foo { ['a'](){} static ['b'](){} }",
+            output: "class Foo { [`a`](){} static [`b`](){} }",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                },
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7084
+        {
+            code: "<div blah={\"blah\"} />",
+            output: "<div blah={'blah'} />",
+            options: ["single"],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "singlequote" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "<div blah={'blah'} />",
+            output: "<div blah={\"blah\"} />",
+            options: ["double"],
+            parserOptions: { ecmaFeatures: { jsx: true } },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "doublequote" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "<div blah={'blah'} />",
+            output: "<div blah={`blah`} />",
+            options: ["backtick"],
+            parserOptions: { ecmaFeatures: { jsx: true }, ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7610
+        {
+            code: "`use strict`;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "function foo() { `use strict`; foo(); }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "foo = function() { `use strict`; foo(); }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "() => { `use strict`; foo(); }",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "() => { foo(); `use strict`; }",
+            output: "() => { foo(); \"use strict\"; }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "foo(); `use strict`;",
+            output: "foo(); \"use strict\";",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7646
+        {
+            code: "var foo = `foo\\nbar`;",
+            output: "var foo = \"foo\\nbar\";",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "var foo = `foo\\\nbar`;", // 1 backslash followed by a newline
+            output: "var foo = \"foo\\\nbar\";",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "var foo = `foo\\\\\\\nbar`;", // 3 backslashes followed by a newline
+            output: "var foo = \"foo\\\\\\\nbar\";",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral"
+            }]
+        },
+        {
+            code: "````",
+            output: "\"\"``",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wrongQuotes",
+                data: { description: "doublequote" },
+                type: "TemplateLiteral",
+                line: 1,
+                column: 1
+            }]
+        },
+
+        // Strings containing octal escape sequences. Don't autofix to backticks.
+        {
+            code: "var foo = \"\\1\"",
+            output: "var foo = '\\1'",
+            options: ["single"],
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "singlequote" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = '\\1'",
+            output: "var foo = \"\\1\"",
+            options: ["double"],
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "doublequote" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var notoctal = '\\0'",
+            output: "var notoctal = `\\0`",
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = '\\1'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = \"\\1\"",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = '\\01'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = '\\0\\1'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = '\\08'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = 'prefix \\33'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        },
+        {
+            code: "var foo = 'prefix \\75 suffix'",
+            output: null,
+            options: ["backtick"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "wrongQuotes",
+                    data: { description: "backtick" },
+                    type: "Literal"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/radix.js b/eslint/tests/lib/rules/radix.js
new file mode 100644
index 0000000..2766e80
--- /dev/null
+++ b/eslint/tests/lib/rules/radix.js
@@ -0,0 +1,190 @@
+/**
+ * @fileoverview Tests for radix rule.
+ * @author James Allardice
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/radix"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("radix", rule, {
+
+    valid: [
+        "parseInt(\"10\", 10);",
+        "parseInt(\"10\", 2);",
+        "parseInt(\"10\", 36);",
+        "parseInt(\"10\", 0x10);",
+        "parseInt(\"10\", 1.6e1);",
+        "parseInt(\"10\", 10.0);",
+        "parseInt(\"10\", foo);",
+        "Number.parseInt(\"10\", foo);",
+        {
+            code: "parseInt(\"10\", 10);",
+            options: ["always"]
+        },
+        {
+            code: "parseInt(\"10\");",
+            options: ["as-needed"]
+        },
+        {
+            code: "parseInt(\"10\", 8);",
+            options: ["as-needed"]
+        },
+        {
+            code: "parseInt(\"10\", foo);",
+            options: ["as-needed"]
+        },
+        "parseInt",
+        "Number.foo();",
+        "Number[parseInt]();",
+
+        // Ignores if it's shadowed or disabled.
+        "var parseInt; parseInt();",
+        { code: "var parseInt; parseInt(foo);", options: ["always"] },
+        { code: "var parseInt; parseInt(foo, 10);", options: ["as-needed"] },
+        "var Number; Number.parseInt();",
+        { code: "var Number; Number.parseInt(foo);", options: ["always"] },
+        { code: "var Number; Number.parseInt(foo, 10);", options: ["as-needed"] },
+        { code: "/* globals parseInt:off */ parseInt(foo);", options: ["always"] },
+        { code: "Number.parseInt(foo, 10);", options: ["as-needed"], globals: { Number: "off" } }
+    ],
+
+    invalid: [
+        {
+            code: "parseInt();",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "missingParameters",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt();",
+            errors: [{
+                messageId: "missingParameters",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\");",
+            errors: [{
+                messageId: "missingRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", null);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", undefined);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", true);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", \"foo\");",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", \"123\");",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", 1);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", 37);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", 10.5);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt();",
+            errors: [{
+                messageId: "missingParameters",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt();",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "missingParameters",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt(\"10\");",
+            errors: [{
+                messageId: "missingRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt(\"10\", 1);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt(\"10\", 37);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Number.parseInt(\"10\", 10.5);",
+            errors: [{
+                messageId: "invalidRadix",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "parseInt(\"10\", 10);",
+            options: ["as-needed"],
+            errors: [{
+                messageId: "redundantRadix",
+                type: "CallExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/require-atomic-updates.js b/eslint/tests/lib/rules/require-atomic-updates.js
new file mode 100644
index 0000000..8977745
--- /dev/null
+++ b/eslint/tests/lib/rules/require-atomic-updates.js
@@ -0,0 +1,265 @@
+/**
+ * @fileoverview disallow assignments that can lead to race conditions due to usage of `await` or `yield`
+ * @author Teddy Katz
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/require-atomic-updates");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
+
+const VARIABLE_ERROR = {
+    messageId: "nonAtomicUpdate",
+    data: { value: "foo" },
+    type: "AssignmentExpression"
+};
+
+const STATIC_PROPERTY_ERROR = {
+    messageId: "nonAtomicUpdate",
+    data: { value: "foo.bar" },
+    type: "AssignmentExpression"
+};
+
+const COMPUTED_PROPERTY_ERROR = {
+    messageId: "nonAtomicUpdate",
+    data: { value: "foo[bar].baz" },
+    type: "AssignmentExpression"
+};
+
+ruleTester.run("require-atomic-updates", rule, {
+
+    valid: [
+        "let foo; async function x() { foo += bar; }",
+        "let foo; async function x() { foo = foo + bar; }",
+        "let foo; async function x() { foo = await bar + foo; }",
+        "async function x() { let foo; foo += await bar; }",
+        "let foo; async function x() { foo = (await result)(foo); }",
+        "let foo; async function x() { foo = bar(await something, foo) }",
+        "function* x() { let foo; foo += yield bar; }",
+        "const foo = {}; async function x() { foo.bar = await baz; }",
+        "const foo = []; async function x() { foo[x] += 1;  }",
+        "let foo; function* x() { foo = bar + foo; }",
+        "async function x() { let foo; bar(() => baz += 1); foo += await amount; }",
+        "let foo; async function x() { foo = condition ? foo : await bar; }",
+        "async function x() { let foo; bar(() => { let foo; blah(foo); }); foo += await result; }",
+        "let foo; async function x() { foo = foo + 1; await bar; }",
+
+
+        /*
+         * Ensure rule doesn't take exponential time in the number of branches
+         * (see https://github.com/eslint/eslint/issues/10893)
+         */
+        `
+            async function foo() {
+                if (1);
+                if (2);
+                if (3);
+                if (4);
+                if (5);
+                if (6);
+                if (7);
+                if (8);
+                if (9);
+                if (10);
+                if (11);
+                if (12);
+                if (13);
+                if (14);
+                if (15);
+                if (16);
+                if (17);
+                if (18);
+                if (19);
+                if (20);
+            }
+        `,
+        `
+            async function foo() {
+                return [
+                    1 ? a : b,
+                    2 ? a : b,
+                    3 ? a : b,
+                    4 ? a : b,
+                    5 ? a : b,
+                    6 ? a : b,
+                    7 ? a : b,
+                    8 ? a : b,
+                    9 ? a : b,
+                    10 ? a : b,
+                    11 ? a : b,
+                    12 ? a : b,
+                    13 ? a : b,
+                    14 ? a : b,
+                    15 ? a : b,
+                    16 ? a : b,
+                    17 ? a : b,
+                    18 ? a : b,
+                    19 ? a : b,
+                    20 ? a : b
+                ];
+            }
+        `,
+
+        // https://github.com/eslint/eslint/issues/11194
+        `
+            async function f() {
+                let records
+                records = await a.records
+                g(() => { records })
+            }
+        `,
+
+        // https://github.com/eslint/eslint/issues/11687
+        `
+            async function f() {
+                try {
+                    this.foo = doSomething();
+                } catch (e) {
+                    this.foo = null;
+                    await doElse();
+                }
+            }
+        `,
+
+        // https://github.com/eslint/eslint/issues/11723
+        `
+            async function f(foo) {
+                let bar = await get(foo.id);
+                bar.prop = foo.prop;
+            }
+        `,
+        `
+            async function f(foo) {
+                let bar = await get(foo.id);
+                foo = bar.prop;
+            }
+        `,
+        `
+            async function f() {
+                let foo = {}
+                let bar = await get(foo.id);
+                foo.prop = bar.prop;
+            }
+        `
+    ],
+
+    invalid: [
+        {
+            code: "let foo; async function x() { foo += await amount; }",
+            errors: [{ messageId: "nonAtomicUpdate", data: { value: "foo" } }]
+        },
+        {
+            code: "if (1); let foo; async function x() { foo += await amount; }",
+            errors: [{ messageId: "nonAtomicUpdate", data: { value: "foo" } }]
+        },
+        {
+            code: "let foo; async function x() { while (condition) { foo += await amount; } }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = foo + await amount; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = foo + (bar ? baz : await amount); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = foo + (bar ? await amount : baz); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = condition ? foo + await amount : somethingElse; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = (condition ? foo : await bar) + await bar; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo += bar + await amount; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "async function x() { let foo; bar(() => foo); foo += await amount; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; function* x() { foo += yield baz }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = bar(foo, await something) }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "const foo = {}; async function x() { foo.bar += await baz }",
+            errors: [STATIC_PROPERTY_ERROR]
+        },
+        {
+            code: "const foo = []; async function x() { foo[bar].baz += await result;  }",
+            errors: [COMPUTED_PROPERTY_ERROR]
+        },
+        {
+            code: "let foo; async function* x() { foo = (yield foo) + await bar; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = foo + await result(foo); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = await result(foo, await somethingElse); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "function* x() { let foo; yield async function y() { foo += await bar; } }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function* x() { foo = await foo + (yield bar); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo; async function x() { foo = bar + await foo; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo = {}; async function x() { foo[bar].baz = await (foo.bar += await foo[bar].baz) }",
+            errors: [COMPUTED_PROPERTY_ERROR, STATIC_PROPERTY_ERROR]
+        },
+        {
+            code: "async function x() { foo += await bar; }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo = 0; async function x() { foo = (a ? b : foo) + await bar; if (baz); }",
+            errors: [VARIABLE_ERROR]
+        },
+        {
+            code: "let foo = 0; async function x() { foo = (a ? b ? c ? d ? foo : e : f : g : h) + await bar; if (baz); }",
+            errors: [VARIABLE_ERROR]
+        },
+
+        // https://github.com/eslint/eslint/issues/11723
+        {
+            code: `
+                async function f(foo) {
+                    let buz = await get(foo.id);
+                    foo.bar = buz.bar;
+                }
+            `,
+            errors: [STATIC_PROPERTY_ERROR]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/require-await.js b/eslint/tests/lib/rules/require-await.js
new file mode 100644
index 0000000..4ed598d
--- /dev/null
+++ b/eslint/tests/lib/rules/require-await.js
@@ -0,0 +1,162 @@
+/**
+ * @fileoverview Tests for require-await rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/require-await"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({
+    parserOptions: {
+        ecmaVersion: 2018
+    }
+});
+
+ruleTester.run("require-await", rule, {
+    valid: [
+        "async function foo() { await doSomething() }",
+        "(async function() { await doSomething() })",
+        "async () => { await doSomething() }",
+        "async () => await doSomething()",
+        "({ async foo() { await doSomething() } })",
+        "class A { async foo() { await doSomething() } }",
+        "(class { async foo() { await doSomething() } })",
+        "async function foo() { await async () => { await doSomething() } }",
+
+        // empty functions are ok.
+        "async function foo() {}",
+        "async () => {}",
+
+        // normal functions are ok.
+        "function foo() { doSomething() }",
+
+        // for-await-of
+        "async function foo() { for await (x of xs); }",
+
+        // global await
+        {
+            code: "await foo()",
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/global-await")
+        },
+        {
+            code: `
+                for await (let num of asyncIterable) {
+                    console.log(num);
+                }
+            `,
+            parser: require.resolve("../../fixtures/parsers/typescript-parsers/global-for-await-of")
+        },
+        {
+            code: "async function* run() { yield * anotherAsyncGenerator() }",
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: `async function* run() {
+                await new Promise(resolve => setTimeout(resolve, 100));
+                yield 'Hello';
+                console.log('World');
+            }
+            `,
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: "async function* run() { }",
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: "const foo = async function *(){}",
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: 'const foo = async function *(){ console.log("bar") }',
+            parserOptions: { ecmaVersion: 9 }
+        },
+        {
+            code: 'async function* run() { console.log("bar") }',
+            parserOptions: { ecmaVersion: 9 }
+        }
+
+    ],
+    invalid: [
+        {
+            code: "async function foo() { doSomething() }",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async function 'foo'" }
+            }]
+        },
+        {
+            code: "(async function() { doSomething() })",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async function" }
+            }]
+        },
+        {
+            code: "async () => { doSomething() }",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async arrow function" }
+            }]
+        },
+        {
+            code: "async () => doSomething()",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async arrow function" }
+            }]
+        },
+        {
+            code: "({ async foo() { doSomething() } })",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async method 'foo'" }
+            }]
+        },
+        {
+            code: "class A { async foo() { doSomething() } }",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async method 'foo'" }
+            }]
+        },
+        {
+            code: "(class { async foo() { doSomething() } })",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async method 'foo'" }
+            }]
+        },
+        {
+            code: "(class { async ''() { doSomething() } })",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async method ''" }
+            }]
+        },
+        {
+            code: "async function foo() { async () => { await doSomething() } }",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async function 'foo'" }
+            }]
+        },
+        {
+            code: "async function foo() { await async () => { doSomething() } }",
+            errors: [{
+                messageId: "missingAwait",
+                data: { name: "Async arrow function" }
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/require-jsdoc.js b/eslint/tests/lib/rules/require-jsdoc.js
new file mode 100644
index 0000000..603ece2
--- /dev/null
+++ b/eslint/tests/lib/rules/require-jsdoc.js
@@ -0,0 +1,417 @@
+/**
+ * @fileoverview Test file for require-jsdoc rule
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+const rule = require("../../../lib/rules/require-jsdoc"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("require-jsdoc", rule, {
+    valid: [
+        "var array = [1,2,3];\narray.forEach(function() {});",
+        "/**\n @class MyClass \n*/\nfunction MyClass() {}",
+        "/**\n Function doing something\n*/\nfunction myFunction() {}",
+        "/**\n Function doing something\n*/\nvar myFunction = function() {};",
+        "/**\n Function doing something\n*/\nObject.myFunction = function () {};",
+        "var obj = { \n /**\n Function doing something\n*/\n myFunction: function () {} };",
+
+        "/**\n @func myFunction \n*/\nfunction myFunction() {}",
+        "/**\n @method myFunction\n*/\nfunction myFunction() {}",
+        "/**\n @function myFunction\n*/\nfunction myFunction() {}",
+
+        "/**\n @func myFunction \n*/\nvar myFunction = function () {}",
+        "/**\n @method myFunction\n*/\nvar myFunction = function () {}",
+        "/**\n @function myFunction\n*/\nvar myFunction = function () {}",
+
+        "/**\n @func myFunction \n*/\nObject.myFunction = function() {}",
+        "/**\n @method myFunction\n*/\nObject.myFunction = function() {}",
+        "/**\n @function myFunction\n*/\nObject.myFunction = function() {}",
+        "(function(){})();",
+
+        "var object = {\n/**\n @func myFunction - Some function \n*/\nmyFunction: function() {} }",
+        "var object = {\n/**\n @method myFunction - Some function \n*/\nmyFunction: function() {} }",
+        "var object = {\n/**\n @function myFunction - Some function \n*/\nmyFunction: function() {} }",
+
+        "var array = [1,2,3];\narray.filter(function() {});",
+        "Object.keys(this.options.rules || {}).forEach(function(name) {}.bind(this));",
+        "var object = { name: 'key'};\nObject.keys(object).forEach(function() {})",
+        {
+            code: "function myFunction() {}",
+            options: [{
+                require: {
+                    FunctionDeclaration: false,
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }]
+        },
+        {
+            code: "var myFunction = function() {}",
+            options: [{
+                require: {
+                    FunctionDeclaration: false,
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Description for A.\n" +
+                " */\n" +
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "/**\n" +
+            " * Description for A.\n" +
+            " */\n" +
+            "class App extends Component {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code:
+            "/**\n" +
+            " * Description for A.\n" +
+            " */\n" +
+            "export default class App extends Component {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code:
+            "/**\n" +
+            " * Description for A.\n" +
+            " */\n" +
+            "export class App extends Component {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code:
+            "class A {\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: false,
+                    ClassDeclaration: false
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\n Function doing something\n*/\nvar myFunction = () => {}",
+            options: [{
+                require: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\n Function doing something\n*/\nvar myFunction = () => () => {}",
+            options: [{
+                require: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "setTimeout(() => {}, 10);",
+            options: [{
+                require: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\nJSDoc Block\n*/\nvar foo = function() {}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }]
+        },
+        {
+            code: "const foo = {/**\nJSDoc Block\n*/\nbar() {}}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = {/**\nJSDoc Block\n*/\nbar: function() {}}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }]
+        },
+        {
+            code: " var foo = { [function() {}]: 1 };",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "function myFunction() {}",
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "FunctionDeclaration"
+            }]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Description for A.\n" +
+                " */\n" +
+                "class A {\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "FunctionExpression"
+            }]
+        },
+        {
+            code:
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ClassDeclaration"
+            }]
+        },
+        {
+            code:
+            "class A extends B {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ClassDeclaration"
+            }]
+        },
+        {
+            code:
+            "export class A extends B {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ClassDeclaration"
+            }]
+        },
+        {
+            code:
+            "export default class A extends B {\n" +
+            "    /**\n" +
+            "     * Description for constructor.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    constructor(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{
+                require: {
+                    MethodDefinition: true,
+                    ClassDeclaration: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ClassDeclaration"
+            }]
+        },
+        {
+            code: "var myFunction = () => {}",
+            options: [{
+                require: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ArrowFunctionExpression"
+            }]
+        },
+        {
+            code: "var myFunction = () => () => {}",
+            options: [{
+                require: {
+                    ArrowFunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "ArrowFunctionExpression"
+            }]
+        },
+        {
+            code: "var foo = function() {}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }],
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "FunctionExpression"
+            }]
+        },
+        {
+            code: "const foo = {bar() {}}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "FunctionExpression"
+            }]
+        },
+        {
+            code: "var foo = {bar: function() {}}",
+            options: [{
+                require: {
+                    FunctionExpression: true
+                }
+            }],
+            errors: [{
+                messageId: "missingJSDocComment",
+                type: "FunctionExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/require-unicode-regexp.js b/eslint/tests/lib/rules/require-unicode-regexp.js
new file mode 100644
index 0000000..6033d44
--- /dev/null
+++ b/eslint/tests/lib/rules/require-unicode-regexp.js
@@ -0,0 +1,102 @@
+/**
+ * @fileoverview Tests for require-unicode-regexp rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/require-unicode-regexp");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({
+    parserOptions: { ecmaVersion: 2015 }
+});
+
+ruleTester.run("require-unicode-regexp", rule, {
+    valid: [
+        "/foo/u",
+        "/foo/gimuy",
+        "RegExp('', 'u')",
+        "new RegExp('', 'u')",
+        "RegExp('', 'gimuy')",
+        "new RegExp('', 'gimuy')",
+        "const flags = 'u'; new RegExp('', flags)",
+        "const flags = 'g'; new RegExp('', flags + 'u')",
+        "const flags = 'gimu'; new RegExp('foo', flags[3])",
+        "new RegExp('', flags)",
+        "function f(flags) { return new RegExp('', flags) }",
+        "function f(RegExp) { return new RegExp('foo') }",
+        { code: "new globalThis.RegExp('foo')", env: { es6: true } },
+        { code: "new globalThis.RegExp('foo')", env: { es2017: true } },
+        { code: "new globalThis.RegExp('foo', 'u')", env: { es2020: true } },
+        { code: "globalThis.RegExp('foo', 'u')", env: { es2020: true } },
+        { code: "const flags = 'u'; new globalThis.RegExp('', flags)", env: { es2020: true } },
+        { code: "const flags = 'g'; new globalThis.RegExp('', flags + 'u')", env: { es2020: true } },
+        { code: "const flags = 'gimu'; new globalThis.RegExp('foo', flags[3])", env: { es2020: true } }
+    ],
+    invalid: [
+        {
+            code: "/foo/",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "/foo/gimy",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "RegExp('foo')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "RegExp('foo', '')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "RegExp('foo', 'gimy')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new RegExp('foo')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new RegExp('foo', '')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new RegExp('foo', 'gimy')",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "const flags = 'gi'; new RegExp('foo', flags)",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "const flags = 'gimu'; new RegExp('foo', flags[0])",
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new window.RegExp('foo')",
+            env: { browser: true },
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new global.RegExp('foo')",
+            env: { node: true },
+            errors: [{ messageId: "requireUFlag" }]
+        },
+        {
+            code: "new globalThis.RegExp('foo')",
+            env: { es2020: true },
+            errors: [{ messageId: "requireUFlag" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/require-yield.js b/eslint/tests/lib/rules/require-yield.js
new file mode 100644
index 0000000..c80f424
--- /dev/null
+++ b/eslint/tests/lib/rules/require-yield.js
@@ -0,0 +1,67 @@
+/**
+ * @fileoverview Tests for require-yield rule
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/require-yield");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("require-yield", rule, {
+    valid: [
+        "function foo() { return 0; }",
+        "function* foo() { yield 0; }",
+        "function* foo() { }",
+        "(function* foo() { yield 0; })();",
+        "(function* foo() { })();",
+        "var obj = { *foo() { yield 0; } };",
+        "var obj = { *foo() { } };",
+        "class A { *foo() { yield 0; } };",
+        "class A { *foo() { } };"
+    ],
+    invalid: [
+        {
+            code: "function* foo() { return 0; }",
+            errors: [{ messageId: "missingYield", type: "FunctionDeclaration" }]
+        },
+        {
+            code: "(function* foo() { return 0; })();",
+            errors: [{ messageId: "missingYield", type: "FunctionExpression" }]
+        },
+        {
+            code: "var obj = { *foo() { return 0; } }",
+            errors: [{ messageId: "missingYield", type: "FunctionExpression" }]
+        },
+        {
+            code: "class A { *foo() { return 0; } }",
+            errors: [{ messageId: "missingYield", type: "FunctionExpression" }]
+        },
+        {
+            code: "function* foo() { function* bar() { yield 0; } }",
+            errors: [{
+                messageId: "missingYield",
+                type: "FunctionDeclaration",
+                column: 1
+            }]
+        },
+        {
+            code: "function* foo() { function* bar() { return 0; } yield 0; }",
+            errors: [{
+                messageId: "missingYield",
+                type: "FunctionDeclaration",
+                column: 19
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/rest-spread-spacing.js b/eslint/tests/lib/rules/rest-spread-spacing.js
new file mode 100644
index 0000000..9e38502
--- /dev/null
+++ b/eslint/tests/lib/rules/rest-spread-spacing.js
@@ -0,0 +1,617 @@
+/**
+ * @fileoverview Enforce spacing between rest and spread operators and their expressions.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/rest-spread-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("rest-spread-spacing", rule, {
+    valid: [
+        "fn(...args)",
+        "fn(...(args))",
+        "fn(...( args ))",
+        { code: "fn(...args)", options: ["never"] },
+        { code: "fn(... args)", options: ["always"] },
+        { code: "fn(...\targs)", options: ["always"] },
+        { code: "fn(...\nargs)", options: ["always"] },
+        "[...arr, 4, 5, 6]",
+        "[...(arr), 4, 5, 6]",
+        "[...( arr ), 4, 5, 6]",
+        { code: "[...arr, 4, 5, 6]", options: ["never"] },
+        { code: "[... arr, 4, 5, 6]", options: ["always"] },
+        { code: "[...\tarr, 4, 5, 6]", options: ["always"] },
+        { code: "[...\narr, 4, 5, 6]", options: ["always"] },
+        "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+        { code: "let [a, b, ...arr] = [1, 2, 3, 4, 5];", options: ["never"] },
+        { code: "let [a, b, ... arr] = [1, 2, 3, 4, 5];", options: ["always"] },
+        { code: "let [a, b, ...\tarr] = [1, 2, 3, 4, 5];", options: ["always"] },
+        { code: "let [a, b, ...\narr] = [1, 2, 3, 4, 5];", options: ["always"] },
+        { code: "let n = { x, y, ...z };", parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ...(z) };", parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ...( z ) };", parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ...z };", options: ["never"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ... z };", options: ["always"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ...\tz };", options: ["always"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let n = { x, y, ...\nz };", options: ["always"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };", parserOptions: { ecmaVersion: 2018 } },
+        { code: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };", options: ["never"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };", options: ["always"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let { x, y, ...\tz } = { x: 1, y: 2, a: 3, b: 4 };", options: ["always"], parserOptions: { ecmaVersion: 2018 } },
+        { code: "let { x, y, ...\nz } = { x: 1, y: 2, a: 3, b: 4 };", options: ["always"], parserOptions: { ecmaVersion: 2018 } }
+    ],
+
+    invalid: [
+        {
+            code: "fn(... args)",
+            output: "fn(...args)",
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...\targs)",
+            output: "fn(...args)",
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...\nargs)",
+            output: "fn(...args)",
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(... args)",
+            output: "fn(...args)",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...\targs)",
+            output: "fn(...args)",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...\nargs)",
+            output: "fn(...args)",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...args)",
+            output: "fn(... args)",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(... (args))",
+            output: "fn(...(args))",
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(... ( args ))",
+            output: "fn(...( args ))",
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...(args))",
+            output: "fn(... (args))",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "fn(...( args ))",
+            output: "fn(... ( args ))",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 7,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[... arr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...\tarr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...\narr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[... arr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...\tarr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...\narr, 4, 5, 6]",
+            output: "[...arr, 4, 5, 6]",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...arr, 4, 5, 6]",
+            output: "[... arr, 4, 5, 6]",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[... (arr), 4, 5, 6]",
+            output: "[...(arr), 4, 5, 6]",
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[... ( arr ), 4, 5, 6]",
+            output: "[...( arr ), 4, 5, 6]",
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...(arr), 4, 5, 6]",
+            output: "[... (arr), 4, 5, 6]",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "[...( arr ), 4, 5, 6]",
+            output: "[... ( arr ), 4, 5, 6]",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 5,
+                messageId: "expectedWhitespace",
+                data: { type: "spread" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let [a, b, ... arr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ...\tarr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ...\narr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ... arr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ...\tarr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ...\narr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            options: ["never"],
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let [a, b, ...arr] = [1, 2, 3, 4, 5];",
+            output: "let [a, b, ... arr] = [1, 2, 3, 4, 5];",
+            options: ["always"],
+            errors: [{
+                line: 1,
+                column: 15,
+                messageId: "expectedWhitespace",
+                data: { type: "rest" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ... z };",
+            output: "let n = { x, y, ...z };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...\tz };",
+            output: "let n = { x, y, ...z };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...\nz };",
+            output: "let n = { x, y, ...z };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ... z };",
+            output: "let n = { x, y, ...z };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...\tz };",
+            output: "let n = { x, y, ...z };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...\nz };",
+            output: "let n = { x, y, ...z };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...z };",
+            output: "let n = { x, y, ... z };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "expectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ... (z) };",
+            output: "let n = { x, y, ...(z) };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ... ( z ) };",
+            output: "let n = { x, y, ...( z ) };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "unexpectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...(z) };",
+            output: "let n = { x, y, ... (z) };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "expectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let n = { x, y, ...( z ) };",
+            output: "let n = { x, y, ... ( z ) };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 20,
+                messageId: "expectedWhitespace",
+                data: { type: "spread property" },
+                type: "SpreadElement"
+            }]
+        },
+        {
+            code: "let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ...\tz } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ...\nz } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ...\tz } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ...\nz } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "unexpectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        },
+        {
+            code: "let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };",
+            output: "let { x, y, ... z } = { x: 1, y: 2, a: 3, b: 4 };",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [{
+                line: 1,
+                column: 16,
+                messageId: "expectedWhitespace",
+                data: { type: "rest property" },
+                type: "RestElement"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/semi-spacing.js b/eslint/tests/lib/rules/semi-spacing.js
new file mode 100644
index 0000000..c1098df
--- /dev/null
+++ b/eslint/tests/lib/rules/semi-spacing.js
@@ -0,0 +1,213 @@
+/**
+ * @fileoverview Tests for semi-spacing.
+ * @author Mathias Schreck
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/semi-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("semi-spacing", rule, {
+    valid: [
+        "var a = 'b';",
+        "var a = 'b ; c';",
+        "var a = 'b',\nc = 'd';",
+        "var a = function() {};",
+        ";(function(){}());",
+        "var a = 'b'\n;(function(){}())",
+        "debugger\n;(function(){}())",
+        "while (true) { break; }",
+        "while (true) { continue; }",
+        "debugger;",
+        "function foo() { return; }",
+        "throw new Error('foo');",
+        "for (var i = 0; i < 10; i++) {}",
+        "for (;;) {}",
+        {
+            code: "var a = 'b' ;",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "var a = 'b';c = 'd';",
+            options: [{ before: false, after: false }]
+        },
+        {
+            code: "for (var i = 0 ;i < 10 ;i++) {}",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "for (var i = 0 ; i < 10 ; i++) {}",
+            options: [{ before: true, after: true }]
+        },
+
+        // https://github.com/eslint/eslint/issues/3721
+        "function foo(){return 2;}",
+        "for(var i = 0; i < results.length;) {}",
+        { code: "function foo() { return 2; }", options: [{ after: false }] },
+        { code: "for ( var i = 0;i < results.length; ) {}", options: [{ after: false }] }
+    ],
+    invalid: [
+        {
+            code: "var a = 'b' ;",
+            output: "var a = 'b';",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 1, column: 13 }]
+        },
+        {
+            code: "var a = 'b',\nc = 'd' ;",
+            output: "var a = 'b',\nc = 'd';",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 2, column: 9 }]
+        },
+        {
+            code: "var a = function() {} ;",
+            output: "var a = function() {};",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 1, column: 23 }]
+        },
+        {
+            code: "var a = function() {\n} ;",
+            output: "var a = function() {\n};",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 2, column: 3 }]
+        },
+        {
+            code: "/^a$/.test('b') ;",
+            output: "/^a$/.test('b');",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ExpressionStatement", line: 1, column: 17 }]
+        },
+        {
+            code: ";(function(){}()) ;",
+            output: ";(function(){}());",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ExpressionStatement", line: 1, column: 19 }]
+        },
+        {
+            code: "while (true) { break ; }",
+            output: "while (true) { break; }",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "BreakStatement", line: 1, column: 22 }]
+        },
+        {
+            code: "while (true) { continue ; }",
+            output: "while (true) { continue; }",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ContinueStatement", line: 1, column: 25 }]
+        },
+        {
+            code: "debugger ;",
+            output: "debugger;",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "DebuggerStatement", line: 1, column: 10 }]
+        },
+        {
+            code: "function foo() { return ; }",
+            output: "function foo() { return; }",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ReturnStatement", line: 1, column: 25 }]
+        },
+        {
+            code: "throw new Error('foo') ;",
+            output: "throw new Error('foo');",
+            errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ThrowStatement", line: 1, column: 24 }]
+        },
+        {
+            code: "for (var i = 0 ; i < 10 ; i++) {}",
+            output: "for (var i = 0; i < 10; i++) {}",
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ForStatement", line: 1, column: 16 },
+                { messageId: "unexpectedWhitespaceBefore", type: "ForStatement", line: 1, column: 25 }
+            ]
+        },
+        {
+            code: "var a = 'b';c = 'd';",
+            output: "var a = 'b'; c = 'd';",
+            errors: [{ messageId: "missingWhitespaceAfter", type: "VariableDeclaration", line: 1, column: 12 }]
+        },
+        {
+            code: "var a = 'b';",
+            output: "var a = 'b' ;",
+            options: [{ before: true, after: true }],
+            errors: [{ messageId: "missingWhitespaceBefore", type: "VariableDeclaration", line: 1, column: 12 }]
+        },
+        {
+            code: "var a = 'b'; c = 'd';",
+            output: "var a = 'b';c = 'd';",
+            options: [{ before: false, after: false }],
+            errors: [{ messageId: "unexpectedWhitespaceAfter", type: "VariableDeclaration", line: 1, column: 12 }]
+        },
+        {
+            code: "for (var i = 0;i < 10;i++) {}",
+            output: "for (var i = 0; i < 10; i++) {}",
+            errors: [
+                { messageId: "missingWhitespaceAfter", type: "ForStatement", line: 1, column: 15 },
+                { messageId: "missingWhitespaceAfter", type: "ForStatement", line: 1, column: 22 }
+            ]
+        },
+        {
+            code: "for (var i = 0; i < 10; i++) {}",
+            output: "for (var i = 0 ; i < 10 ; i++) {}",
+            options: [{ before: true, after: true }],
+            errors: [
+                { messageId: "missingWhitespaceBefore", type: "ForStatement", line: 1, column: 15 },
+                { messageId: "missingWhitespaceBefore", type: "ForStatement", line: 1, column: 23 }
+            ]
+        },
+        {
+            code: "for (var i = 0; i < 10; i++) {}",
+            output: "for (var i = 0;i < 10;i++) {}",
+            options: [{ before: false, after: false }],
+            errors: [
+                { messageId: "unexpectedWhitespaceAfter", type: "ForStatement", line: 1, column: 15 },
+                { messageId: "unexpectedWhitespaceAfter", type: "ForStatement", line: 1, column: 23 }
+            ]
+        },
+        {
+            code: "import Foo from 'bar' ;",
+            output: "import Foo from 'bar';",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ImportDeclaration", line: 1, column: 23 }
+            ]
+        },
+        {
+            code: "import * as foo from 'bar' ;",
+            output: "import * as foo from 'bar';",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ImportDeclaration", line: 1, column: 28 }
+            ]
+        },
+        {
+            code: "var foo = 0; export {foo} ;",
+            output: "var foo = 0; export {foo};",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ExportNamedDeclaration", line: 1, column: 27 }
+            ]
+        },
+        {
+            code: "export * from 'foo' ;",
+            output: "export * from 'foo';",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ExportAllDeclaration", line: 1, column: 21 }
+            ]
+        },
+        {
+            code: "export default foo ;",
+            output: "export default foo;",
+            options: [{ before: false, after: true }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "unexpectedWhitespaceBefore", type: "ExportDefaultDeclaration", line: 1, column: 20 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/semi-style.js b/eslint/tests/lib/rules/semi-style.js
new file mode 100644
index 0000000..319a80c
--- /dev/null
+++ b/eslint/tests/lib/rules/semi-style.js
@@ -0,0 +1,389 @@
+/**
+ * @fileoverview Tests for semi-style rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/semi-style"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("semi-style", rule, {
+    valid: [
+        ";",
+        ";foo;bar;baz;",
+        "foo;\nbar;",
+        "for(a;b;c);",
+        "for(a;\nb;\nc);",
+        "for((a\n);\n(b\n);\n(c));",
+        "if(a)foo;\nbar",
+        { code: ";", options: ["last"] },
+        { code: ";foo;bar;baz;", options: ["last"] },
+        { code: "foo;\nbar;", options: ["last"] },
+        { code: "for(a;b;c);", options: ["last"] },
+        { code: "for(a;\nb;\nc);", options: ["last"] },
+        { code: "for((a\n);\n(b\n);\n(c));", options: ["last"] },
+        { code: "if(a)foo;\nbar", options: ["last"] },
+        { code: ";", options: ["first"] },
+        { code: ";foo;bar;baz;", options: ["first"] },
+        { code: "foo\n;bar;", options: ["first"] },
+        { code: "for(a;b;c);", options: ["first"] },
+        { code: "for(a;\nb;\nc);", options: ["first"] },
+        { code: "for((a\n);\n(b\n);\n(c));", options: ["first"] },
+
+        // edge cases
+        {
+            code: `
+                {
+                    ;
+                }
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                while (a)
+                    ;
+                foo
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                do
+                    ;
+                while (a)
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                do
+                    foo;
+                while (a)
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                if (a)
+                    foo;
+                else
+                    bar
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                if (a)
+                    foo
+                ;bar
+            `,
+            options: ["first"]
+        },
+        {
+            code: `
+                {
+                    ;
+                }
+            `,
+            options: ["last"]
+        },
+        {
+            code: `
+                switch (a) {
+                    case 1:
+                        ;foo
+                }
+            `,
+            options: ["last"]
+        },
+        {
+            code: `
+                while (a)
+                    ;
+                foo
+            `,
+            options: ["last"]
+        },
+        {
+            code: `
+                do
+                    ;
+                while (a)
+            `,
+            options: ["last"]
+        }
+    ],
+    invalid: [
+        {
+            code: "foo\n;bar",
+            output: "foo;\nbar",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "if(a)foo\n;bar",
+            output: "if(a)foo;\nbar",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "var foo\n;bar",
+            output: "var foo;\nbar",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "foo\n;\nbar",
+            output: "foo;\nbar",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "for(a\n;b;c)d",
+            output: "for(a;\nb;c)d",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "for(a;b\n;c)d",
+            output: "for(a;b;\nc)d",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "do;while(a)\n;b",
+            output: "do;while(a);\nb",
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+
+        {
+            code: "foo\n;bar",
+            output: "foo;\nbar",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "if(a)foo\n;bar",
+            output: "if(a)foo;\nbar",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "var foo\n;bar",
+            output: "var foo;\nbar",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "foo\n;\nbar",
+            output: "foo;\nbar",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "for(a\n;b;c)d",
+            output: "for(a;\nb;c)d",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "for(a;b\n;c)d",
+            output: "for(a;b;\nc)d",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "foo()\n;",
+            output: "foo();\n",
+            options: ["last"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+
+        {
+            code: "foo;\nbar",
+            output: "foo\n;bar",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        },
+        {
+            code: "if(a)foo;\nbar",
+            output: "if(a)foo\n;bar",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        },
+        {
+            code: "var foo;\nbar",
+            output: "var foo\n;bar",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        },
+        {
+            code: "foo\n;\nbar",
+            output: "foo\n;bar",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        },
+        {
+            code: "for(a\n;b;c)d",
+            output: "for(a;\nb;c)d",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "for(a;b\n;c)d",
+            output: "for(a;b;\nc)d",
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+
+        {
+            code: "foo\n;/**/bar",
+            output: null,
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+        {
+            code: "foo\n/**/;bar",
+            output: null,
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the end of the previous line"
+                }
+            }]
+        },
+
+        {
+            code: "foo;\n/**/bar",
+            output: null,
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        },
+        {
+            code: "foo/**/;\nbar",
+            output: null,
+            options: ["first"],
+            errors: [{
+                messageId: "expectedSemiColon",
+                data: {
+                    pos: "the beginning of the next line"
+                }
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/semi.js b/eslint/tests/lib/rules/semi.js
new file mode 100644
index 0000000..d38fc89
--- /dev/null
+++ b/eslint/tests/lib/rules/semi.js
@@ -0,0 +1,1180 @@
+/**
+ * @fileoverview Tests for semi rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/semi"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("semi", rule, {
+    valid: [
+        "var x = 5;",
+        "var x =5, y;",
+        "foo();",
+        "x = foo();",
+        "setTimeout(function() {foo = \"bar\"; });",
+        "setTimeout(function() {foo = \"bar\";});",
+        "for (var a in b){}",
+        "for (var i;;){}",
+        "if (true) {}\n;[global, extended].forEach(function(){});",
+        "throw new Error('foo');",
+        { code: "throw new Error('foo')", options: ["never"] },
+        { code: "var x = 5", options: ["never"] },
+        { code: "var x =5, y", options: ["never"] },
+        { code: "foo()", options: ["never"] },
+        { code: "debugger", options: ["never"] },
+        { code: "for (var a in b){}", options: ["never"] },
+        { code: "for (var i;;){}", options: ["never"] },
+        { code: "x = foo()", options: ["never"] },
+        { code: "if (true) {}\n;[global, extended].forEach(function(){})", options: ["never"] },
+        { code: "(function bar() {})\n;(function foo(){})", options: ["never"] },
+        { code: ";/foo/.test('bar')", options: ["never"] },
+        { code: ";+5", options: ["never"] },
+        { code: ";-foo()", options: ["never"] },
+        { code: "a++\nb++", options: ["never"] },
+        { code: "a++; b++", options: ["never"] },
+        { code: "for (let thing of {}) {\n  console.log(thing);\n}", parserOptions: { ecmaVersion: 6 } },
+        { code: "do{}while(true)", options: ["never"] },
+        { code: "do{}while(true);", options: ["always"] },
+
+        { code: "if (foo) { bar() }", options: ["always", { omitLastInOneLineBlock: true }] },
+        { code: "if (foo) { bar(); baz() }", options: ["always", { omitLastInOneLineBlock: true }] },
+
+
+        // method definitions don't have a semicolon.
+        { code: "class A { a() {} b() {} }", parserOptions: { ecmaVersion: 6 } },
+        { code: "var A = class { a() {} b() {} };", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "import theDefault, { named1, named2 } from 'src/mylib';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import theDefault, { named1, named2 } from 'src/mylib'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // exports, "always"
+        { code: "export * from 'foo';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { foo } from 'foo';", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var foo = 0;export { foo };", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export var foo;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function foo () { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function* foo () { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export class Foo { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export let foo;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export const FOO = 42;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default function() { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default function* () { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default class { }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo || bar;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default (foo) => foo.bar();", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo = 42;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo += 42;", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+
+        // exports, "never"
+        { code: "export * from 'foo'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export { foo } from 'foo'", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var foo = 0; export { foo }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export var foo", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function foo () { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function* foo () { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export class Foo { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export let foo", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export const FOO = 42", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default function() { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default function* () { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default class { }", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo || bar", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default (foo) => foo.bar()", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo = 42", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export default foo += 42", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "++\nfoo;", options: ["always"] },
+        { code: "var a = b;\n+ c", options: ["never"] },
+
+        // https://github.com/eslint/eslint/issues/7782
+        { code: "var a = b;\n/foo/.test(c)", options: ["never"] },
+        { code: "var a = b;\n`foo`", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // https://github.com/eslint/eslint/issues/9521
+        {
+            code: `
+                do; while(a);
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "any" }]
+        },
+        {
+            code: `
+                do; while(a)
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "any" }]
+        },
+        {
+            code: `
+                import a from "a";
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: `
+                var a = 0; export {a};
+                [a] = b
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: `
+                function wrap() {
+                    return;
+                    ({a} = b)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: `
+                while (true) {
+                    break;
+                    +i
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }]
+        },
+        {
+            code: `
+                while (true) {
+                    continue;
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }]
+        },
+        {
+            code: `
+                do; while(a);
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }]
+        },
+        {
+            code: `
+                const f = () => {};
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: `
+                import a from "a"
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: `
+                var a = 0; export {a}
+                [a] = b
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: `
+                function wrap() {
+                    return
+                    ({a} = b)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+        {
+            code: `
+                while (true) {
+                    break
+                    +i
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }]
+        },
+        {
+            code: `
+                while (true) {
+                    continue
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }]
+        },
+        {
+            code: `
+                do; while(a)
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }]
+        },
+        {
+            code: `
+                const f = () => {}
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 2015 }
+        }
+    ],
+    invalid: [
+        {
+            code: "import * as utils from './utils'",
+            output: "import * as utils from './utils';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ImportDeclaration",
+                column: 33,
+                endLine: void 0,
+                endColumn: void 0
+            }]
+        },
+        {
+            code: "import { square, diag } from 'lib'",
+            output: "import { square, diag } from 'lib';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "import { default as foo } from 'lib'",
+            output: "import { default as foo } from 'lib';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "import 'src/mylib'",
+            output: "import 'src/mylib';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "import theDefault, { named1, named2 } from 'src/mylib'",
+            output: "import theDefault, { named1, named2 } from 'src/mylib';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "function foo() { return [] }",
+            output: "function foo() { return []; }",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ReturnStatement"
+            }]
+        },
+        {
+            code: "while(true) { break }",
+            output: "while(true) { break; }",
+            errors: [{
+                messageId: "missingSemi",
+                type: "BreakStatement"
+            }]
+        },
+        {
+            code: "while(true) { continue }",
+            output: "while(true) { continue; }",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ContinueStatement"
+            }]
+        },
+        {
+            code: "let x = 5",
+            output: "let x = 5;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var x = 5",
+            output: "var x = 5;",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var x = 5, y",
+            output: "var x = 5, y;",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "debugger",
+            output: "debugger;",
+            errors: [{
+                messageId: "missingSemi",
+                type: "DebuggerStatement"
+            }]
+        },
+        {
+            code: "foo()",
+            output: "foo();",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExpressionStatement",
+                column: 6,
+                endColumn: void 0
+            }]
+        },
+        {
+            code: "foo()\n",
+            output: "foo();\n",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExpressionStatement",
+                column: 6,
+                endLine: 2,
+                endColumn: 1
+            }]
+        },
+        {
+            code: "foo()\nbar();",
+            output: "foo();\nbar();",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExpressionStatement",
+                column: 6,
+                endLine: 2,
+                endColumn: 1
+            }]
+        },
+        {
+            code: "for (var a in b) var i ",
+            output: "for (var a in b) var i; ",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (;;){var i}",
+            output: "for (;;){var i;}",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (;;) var i ",
+            output: "for (;;) var i; ",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (var j;;) {var i}",
+            output: "for (var j;;) {var i;}",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var foo = {\n bar: baz\n}",
+            output: "var foo = {\n bar: baz\n};",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration",
+                line: 3
+            }]
+        },
+        {
+            code: "var foo\nvar bar;",
+            output: "var foo;\nvar bar;",
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration",
+                line: 1
+            }]
+        },
+        {
+            code: "throw new Error('foo')",
+            output: "throw new Error('foo');",
+            errors: [{
+                messageId: "missingSemi",
+                type: "ThrowStatement",
+                line: 1
+            }]
+        },
+        {
+            code: "do{}while(true)",
+            output: "do{}while(true);",
+            errors: [{
+                messageId: "missingSemi",
+                type: "DoWhileStatement",
+                line: 1
+            }]
+        },
+        {
+            code: "if (foo) {bar()}",
+            output: "if (foo) {bar();}",
+            errors: [{
+                messageId: "missingSemi",
+                column: 16,
+                endColumn: 17
+            }]
+        },
+        {
+            code: "if (foo) {bar()} ",
+            output: "if (foo) {bar();} ",
+            errors: [{
+                messageId: "missingSemi",
+                column: 16,
+                endColumn: 17
+            }]
+        },
+        {
+            code: "if (foo) {bar()\n}",
+            output: "if (foo) {bar();\n}",
+            errors: [{
+                messageId: "missingSemi",
+                column: 16,
+                endLine: 2,
+                endColumn: 1
+            }]
+        },
+
+        {
+            code: "throw new Error('foo');",
+            output: "throw new Error('foo')",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "ThrowStatement",
+                column: 23
+            }]
+        },
+        {
+            code: "function foo() { return []; }",
+            output: "function foo() { return [] }",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "ReturnStatement"
+            }]
+        },
+        {
+            code: "while(true) { break; }",
+            output: "while(true) { break }",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "BreakStatement"
+            }]
+        },
+        {
+            code: "while(true) { continue; }",
+            output: "while(true) { continue }",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "ContinueStatement"
+            }]
+        },
+        {
+            code: "let x = 5;",
+            output: "let x = 5",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var x = 5;",
+            output: "var x = 5",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var x = 5, y;",
+            output: "var x = 5, y",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "debugger;",
+            output: "debugger",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "DebuggerStatement"
+            }]
+        },
+        {
+            code: "foo();",
+            output: "foo()",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExpressionStatement"
+            }]
+        },
+        {
+            code: "for (var a in b) var i; ",
+            output: "for (var a in b) var i ",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (;;){var i;}",
+            output: "for (;;){var i}",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (;;) var i; ",
+            output: "for (;;) var i ",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "for (var j;;) {var i;}",
+            output: "for (var j;;) {var i}",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "var foo = {\n bar: baz\n};",
+            output: "var foo = {\n bar: baz\n}",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration",
+                line: 3
+            }]
+        },
+        {
+            code: "import theDefault, { named1, named2 } from 'src/mylib';",
+            output: "import theDefault, { named1, named2 } from 'src/mylib'",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "do{}while(true);",
+            output: "do{}while(true)",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                type: "DoWhileStatement",
+                line: 1
+            }]
+        },
+
+        {
+            code: "if (foo) { bar()\n }",
+            output: "if (foo) { bar();\n }",
+            options: ["always", { omitLastInOneLineBlock: true }],
+            errors: [{
+                messageId: "missingSemi"
+            }]
+        },
+        {
+            code: "if (foo) {\n bar() }",
+            output: "if (foo) {\n bar(); }",
+            options: ["always", { omitLastInOneLineBlock: true }],
+            errors: [{
+                messageId: "missingSemi"
+            }]
+        },
+        {
+            code: "if (foo) {\n bar(); baz() }",
+            output: "if (foo) {\n bar(); baz(); }",
+            options: ["always", { omitLastInOneLineBlock: true }],
+            errors: [{
+                messageId: "missingSemi"
+            }]
+        },
+        {
+            code: "if (foo) { bar(); }",
+            output: "if (foo) { bar() }",
+            options: ["always", { omitLastInOneLineBlock: true }],
+            errors: [{
+                messageId: "extraSemi"
+            }]
+        },
+
+
+        // exports, "always"
+        {
+            code: "export * from 'foo'",
+            output: "export * from 'foo';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportAllDeclaration"
+            }]
+        },
+        {
+            code: "export { foo } from 'foo'",
+            output: "export { foo } from 'foo';",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportNamedDeclaration"
+            }]
+        },
+        {
+            code: "var foo = 0;export { foo }",
+            output: "var foo = 0;export { foo };",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportNamedDeclaration"
+            }]
+        },
+        {
+            code: "export var foo",
+            output: "export var foo;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export let foo",
+            output: "export let foo;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export const FOO = 42",
+            output: "export const FOO = 42;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export default foo || bar",
+            output: "export default foo || bar;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default (foo) => foo.bar()",
+            output: "export default (foo) => foo.bar();",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default foo = 42",
+            output: "export default foo = 42;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default foo += 42",
+            output: "export default foo += 42;",
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "missingSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+
+        // exports, "never"
+        {
+            code: "export * from 'foo';",
+            output: "export * from 'foo'",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportAllDeclaration",
+                column: 20,
+                endColumn: 21
+            }]
+        },
+        {
+            code: "export { foo } from 'foo';",
+            output: "export { foo } from 'foo'",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportNamedDeclaration"
+            }]
+        },
+        {
+            code: "var foo = 0;export { foo };",
+            output: "var foo = 0;export { foo }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportNamedDeclaration"
+            }]
+        },
+        {
+            code: "export var foo;",
+            output: "export var foo",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export let foo;",
+            output: "export let foo",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export const FOO = 42;",
+            output: "export const FOO = 42",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "VariableDeclaration"
+            }]
+        },
+        {
+            code: "export default foo || bar;",
+            output: "export default foo || bar",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default (foo) => foo.bar();",
+            output: "export default (foo) => foo.bar()",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default foo = 42;",
+            output: "export default foo = 42",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "export default foo += 42;",
+            output: "export default foo += 42",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "extraSemi",
+                type: "ExportDefaultDeclaration"
+            }]
+        },
+        {
+            code: "a;\n++b",
+            output: "a\n++b",
+            options: ["never"],
+            errors: [{
+                messageId: "extraSemi",
+                column: 2,
+                endColumn: 3
+            }]
+        },
+
+        // https://github.com/eslint/eslint/issues/7928
+        {
+            code: [
+                "/*eslint no-extra-semi: error */",
+                "foo();",
+                ";[0,1,2].forEach(bar)"
+            ].join("\n"),
+            output: [
+                "/*eslint no-extra-semi: error */",
+                "foo()",
+                ";[0,1,2].forEach(bar)"
+            ].join("\n"),
+            options: ["never"],
+            errors: [
+                "Extra semicolon.",
+                "Unnecessary semicolon."
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/9521
+        {
+            code: `
+                import a from "a"
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                import a from "a";
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                var a = 0; export {a}
+                [a] = b
+            `,
+            output: `
+                var a = 0; export {a};
+                [a] = b
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                function wrap() {
+                    return
+                    ({a} = b)
+                }
+            `,
+            output: `
+                function wrap() {
+                    return;
+                    ({a} = b)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    break
+                   +i
+                }
+            `,
+            output: `
+                while (true) {
+                    break;
+                   +i
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    continue
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            output: `
+                while (true) {
+                    continue;
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                do; while(a)
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                do; while(a);
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                const f = () => {}
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                const f = () => {};
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "always" }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: ["Missing semicolon."]
+        },
+        {
+            code: `
+                import a from "a";
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                import a from "a"
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                var a = 0; export {a};
+                [a] = b
+            `,
+            output: `
+                var a = 0; export {a}
+                [a] = b
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                function wrap() {
+                    return;
+                    ({a} = b)
+                }
+            `,
+            output: `
+                function wrap() {
+                    return
+                    ({a} = b)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    break;
+                    +i
+                }
+            `,
+            output: `
+                while (true) {
+                    break
+                    +i
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    continue;
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            output: `
+                while (true) {
+                    continue
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                do; while(a);
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                do; while(a)
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                const f = () => {};
+                [1,2,3].forEach(doSomething)
+            `,
+            output: `
+                const f = () => {}
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                import a from "a"
+                ;[1,2,3].forEach(doSomething)
+            `,
+            output: `
+                import a from "a"
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                var a = 0; export {a}
+                ;[1,2,3].forEach(doSomething)
+            `,
+            output: `
+                var a = 0; export {a}
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                function wrap() {
+                    return
+                    ;[1,2,3].forEach(doSomething)
+                }
+            `,
+            output: `
+                function wrap() {
+                    return
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    break
+                    ;[1,2,3].forEach(doSomething)
+                }
+            `,
+            output: `
+                while (true) {
+                    break
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                while (true) {
+                    continue
+                    ;[1,2,3].forEach(doSomething)
+                }
+            `,
+            output: `
+                while (true) {
+                    continue
+                    [1,2,3].forEach(doSomething)
+                }
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                do; while(a)
+                ;[1,2,3].forEach(doSomething)
+            `,
+            output: `
+                do; while(a)
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            errors: ["Extra semicolon."]
+        },
+        {
+            code: `
+                const f = () => {}
+                ;[1,2,3].forEach(doSomething)
+            `,
+            output: `
+                const f = () => {}
+                [1,2,3].forEach(doSomething)
+            `,
+            options: ["never", { beforeStatementContinuationChars: "never" }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: ["Extra semicolon."]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/sort-imports.js b/eslint/tests/lib/rules/sort-imports.js
new file mode 100644
index 0000000..51f3ee3
--- /dev/null
+++ b/eslint/tests/lib/rules/sort-imports.js
@@ -0,0 +1,292 @@
+/**
+ * @fileoverview Tests for sort-imports rule.
+ * @author Christian Schuller
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/sort-imports"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6, sourceType: "module" } }),
+    expectedError = {
+        messageId: "sortImportsAlphabetically",
+        type: "ImportDeclaration"
+    },
+    ignoreCaseArgs = [{ ignoreCase: true }];
+
+ruleTester.run("sort-imports", rule, {
+    valid: [
+        "import a from 'foo.js';\n" +
+                "import b from 'bar.js';\n" +
+                "import c from 'baz.js';\n",
+        "import * as B from 'foo.js';\n" +
+                "import A from 'bar.js';",
+        "import * as B from 'foo.js';\n" +
+                "import {a, b} from 'bar.js';",
+        "import {b, c} from 'bar.js';\n" +
+                "import A from 'foo.js';",
+        {
+            code:
+                "import A from 'bar.js';\n" +
+                "import {b, c} from 'foo.js';",
+            options: [{
+                memberSyntaxSortOrder: ["single", "multiple", "none", "all"]
+            }]
+        },
+        "import {a, b} from 'bar.js';\n" +
+                "import {c, d} from 'foo.js';",
+        "import A from 'foo.js';\n" +
+                "import B from 'bar.js';",
+        "import A from 'foo.js';\n" +
+                "import a from 'bar.js';",
+        "import a, * as b from 'foo.js';\n" +
+                "import c from 'bar.js';",
+        "import 'foo.js';\n" +
+                " import a from 'bar.js';",
+        "import B from 'foo.js';\n" +
+                "import a from 'bar.js';",
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import B from 'bar.js';",
+            options: ignoreCaseArgs
+        },
+        "import {a, b, c, d} from 'foo.js';",
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import B from 'bar.js';",
+            options: [{
+                ignoreDeclarationSort: true
+            }]
+        },
+        {
+            code: "import {b, A, C, d} from 'foo.js';",
+            options: [{
+                ignoreMemberSort: true
+            }]
+        },
+        {
+            code: "import {B, a, C, d} from 'foo.js';",
+            options: [{
+                ignoreMemberSort: true
+            }]
+        },
+        {
+            code: "import {a, B, c, D} from 'foo.js';",
+            options: ignoreCaseArgs
+        },
+        "import a, * as b from 'foo.js';",
+        "import * as a from 'foo.js';\n" +
+                "\n" +
+                "import b from 'bar.js';",
+        "import * as bar from 'bar.js';\n" +
+                "import * as foo from 'foo.js';",
+
+        // https://github.com/eslint/eslint/issues/5130
+        {
+            code:
+                "import 'foo';\n" +
+                "import bar from 'bar';",
+            options: ignoreCaseArgs
+        },
+
+        // https://github.com/eslint/eslint/issues/5305
+        "import React, {Component} from 'react';"
+    ],
+    invalid: [
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import A from 'bar.js';",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code:
+                "import b from 'foo.js';\n" +
+                "import a from 'bar.js';",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code:
+                "import {b, c} from 'foo.js';\n" +
+                "import {a, d} from 'bar.js';",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code:
+                "import * as foo from 'foo.js';\n" +
+                "import * as bar from 'bar.js';",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import {b, c} from 'bar.js';",
+            output: null,
+            errors: [{
+                messageId: "unexpectedSyntaxOrder",
+                data: {
+                    syntaxA: "multiple",
+                    syntaxB: "single"
+                },
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import * as b from 'bar.js';",
+            output: null,
+            errors: [{
+                messageId: "unexpectedSyntaxOrder",
+                data: {
+                    syntaxA: "all",
+                    syntaxB: "single"
+                },
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code:
+                "import a from 'foo.js';\n" +
+                "import 'bar.js';",
+            output: null,
+            errors: [{
+                messageId: "unexpectedSyntaxOrder",
+                data: {
+                    syntaxA: "none",
+                    syntaxB: "single"
+                },
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code:
+                "import b from 'bar.js';\n" +
+                "import * as a from 'foo.js';",
+            output: null,
+            options: [{
+                memberSyntaxSortOrder: ["all", "single", "multiple", "none"]
+            }],
+            errors: [{
+                messageId: "unexpectedSyntaxOrder",
+                data: {
+                    syntaxA: "all",
+                    syntaxB: "single"
+                },
+                type: "ImportDeclaration"
+            }]
+        },
+        {
+            code: "import {b, a, d, c} from 'foo.js';",
+            output: "import {a, b, c, d} from 'foo.js';",
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "a" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code:
+                "import {b, a, d, c} from 'foo.js';\n" +
+                "import {e, f, g, h} from 'bar.js';",
+            output:
+                "import {a, b, c, d} from 'foo.js';\n" +
+                "import {e, f, g, h} from 'bar.js';",
+            options: [{
+                ignoreDeclarationSort: true
+            }],
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "a" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "import {a, B, c, D} from 'foo.js';",
+            output: "import {B, D, a, c} from 'foo.js';",
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "B" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "import {zzzzz, /* comment */ aaaaa} from 'foo.js';",
+            output: null, // not fixed due to comment
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "aaaaa" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "import {zzzzz /* comment */, aaaaa} from 'foo.js';",
+            output: null, // not fixed due to comment
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "aaaaa" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "import {/* comment */ zzzzz, aaaaa} from 'foo.js';",
+            output: null, // not fixed due to comment
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "aaaaa" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: "import {zzzzz, aaaaa /* comment */} from 'foo.js';",
+            output: null, // not fixed due to comment
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "aaaaa" },
+                type: "ImportSpecifier"
+            }]
+        },
+        {
+            code: `
+              import {
+                boop,
+                foo,
+                zoo,
+                baz as qux,
+                bar,
+                beep
+              } from 'foo.js';
+            `,
+            output: `
+              import {
+                bar,
+                beep,
+                boop,
+                foo,
+                baz as qux,
+                zoo
+              } from 'foo.js';
+            `,
+            errors: [{
+                messageId: "sortMembersAlphabetically",
+                data: { memberName: "qux" },
+                type: "ImportSpecifier"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/sort-keys.js b/eslint/tests/lib/rules/sort-keys.js
new file mode 100644
index 0000000..ff64827
--- /dev/null
+++ b/eslint/tests/lib/rules/sort-keys.js
@@ -0,0 +1,1766 @@
+/**
+ * @fileoverview Tests for sort-keys rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/sort-keys"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("sort-keys", rule, {
+    valid: [
+
+        // default (asc)
+        { code: "var obj = {'':1, [``]:2}", options: [], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {[``]:1, '':2}", options: [], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {'':1, a:2}", options: [] },
+        { code: "var obj = {[``]:1, a:2}", options: [], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {_:2, a:1, b:3} // default", options: [] },
+        { code: "var obj = {a:1, b:3, c:2}", options: [] },
+        { code: "var obj = {a:2, b:3, b_:1}", options: [] },
+        { code: "var obj = {C:3, b_:1, c:2}", options: [] },
+        { code: "var obj = {$:1, A:3, _:2, a:4}", options: [] },
+        { code: "var obj = {1:1, '11':2, 2:4, A:3}", options: [] },
+        { code: "var obj = {'#':1, 'Z':2, À:3, è:4}", options: [] },
+        { code: "var obj = { [/(?<zero>0)/]: 1, '/(?<zero>0)/': 2 }", options: [], parserOptions: { ecmaVersion: 2018 } },
+
+        // ignore non-simple computed properties.
+        { code: "var obj = {a:1, b:3, [a + b]: -1, c:2}", options: [], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {'':1, [f()]:2, a:3}", options: [], parserOptions: { ecmaVersion: 6 } },
+        { code: "var obj = {a:1, [b++]:2, '':3}", options: ["desc"], parserOptions: { ecmaVersion: 6 } },
+
+        // ignore properties separated by spread properties
+        { code: "var obj = {a:1, ...z, b:1}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {b:1, ...z, a:1}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {...a, b:1, ...c, d:1}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {...a, b:1, ...d, ...c, e:2, z:5}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {b:1, ...c, ...d, e:2}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {a:1, ...z, '':2}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {'':1, ...z, 'a':2}", options: ["desc"], parserOptions: { ecmaVersion: 2018 } },
+
+        // not ignore properties not separated by spread properties
+        { code: "var obj = {...z, a:1, b:1}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {...z, ...c, a:1, b:1}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {a:1, b:1, ...z}", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "var obj = {...z, ...x, a:1, ...c, ...d, f:5, e:4}", options: ["desc"], parserOptions: { ecmaVersion: 2018 } },
+
+        // works when spread occurs somewhere other than an object literal
+        { code: "function fn(...args) { return [...args].length; }", options: [], parserOptions: { ecmaVersion: 2018 } },
+        { code: "function g() {}; function f(...args) { return g(...args); }", options: [], parserOptions: { ecmaVersion: 2018 } },
+
+        // ignore destructuring patterns.
+        { code: "let {a, b} = {}", options: [], parserOptions: { ecmaVersion: 6 } },
+
+        // nested
+        { code: "var obj = {a:1, b:{x:1, y:1}, c:1}", options: [] },
+
+        // asc
+        { code: "var obj = {_:2, a:1, b:3} // asc", options: ["asc"] },
+        { code: "var obj = {a:1, b:3, c:2}", options: ["asc"] },
+        { code: "var obj = {a:2, b:3, b_:1}", options: ["asc"] },
+        { code: "var obj = {C:3, b_:1, c:2}", options: ["asc"] },
+        { code: "var obj = {$:1, A:3, _:2, a:4}", options: ["asc"] },
+        { code: "var obj = {1:1, '11':2, 2:4, A:3}", options: ["asc"] },
+        { code: "var obj = {'#':1, 'Z':2, À:3, è:4}", options: ["asc"] },
+
+        // asc, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {a:1, c:2, b:3}", options: ["asc", { minKeys: 4 }] },
+
+        // asc, insensitive
+        { code: "var obj = {_:2, a:1, b:3} // asc, insensitive", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {a:1, b:3, c:2}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {a:2, b:3, b_:1}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {b_:1, C:3, c:2}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {b_:1, c:3, C:2}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {$:1, _:2, A:3, a:4}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {1:1, '11':2, 2:4, A:3}", options: ["asc", { caseSensitive: false }] },
+        { code: "var obj = {'#':1, 'Z':2, À:3, è:4}", options: ["asc", { caseSensitive: false }] },
+
+        // asc, insensitive, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {$:1, A:3, _:2, a:4}", options: ["asc", { caseSensitive: false, minKeys: 5 }] },
+
+        // asc, natural
+        { code: "var obj = {_:2, a:1, b:3} // asc, natural", options: ["asc", { natural: true }] },
+        { code: "var obj = {a:1, b:3, c:2}", options: ["asc", { natural: true }] },
+        { code: "var obj = {a:2, b:3, b_:1}", options: ["asc", { natural: true }] },
+        { code: "var obj = {C:3, b_:1, c:2}", options: ["asc", { natural: true }] },
+        { code: "var obj = {$:1, _:2, A:3, a:4}", options: ["asc", { natural: true }] },
+        { code: "var obj = {1:1, 2:4, '11':2, A:3}", options: ["asc", { natural: true }] },
+        { code: "var obj = {'#':1, 'Z':2, À:3, è:4}", options: ["asc", { natural: true }] },
+
+        // asc, natural, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {b_:1, a:2, b:3}", options: ["asc", { natural: true, minKeys: 4 }] },
+
+        // asc, natural, insensitive
+        { code: "var obj = {_:2, a:1, b:3} // asc, natural, insensitive", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {a:1, b:3, c:2}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {a:2, b:3, b_:1}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {b_:1, C:3, c:2}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {b_:1, c:3, C:2}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {$:1, _:2, A:3, a:4}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {1:1, 2:4, '11':2, A:3}", options: ["asc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {'#':1, 'Z':2, À:3, è:4}", options: ["asc", { natural: true, caseSensitive: false }] },
+
+        // asc, natural, insensitive, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {a:1, _:2, b:3}", options: ["asc", { natural: true, caseSensitive: false, minKeys: 4 }] },
+
+        // desc
+        { code: "var obj = {b:3, a:1, _:2} // desc", options: ["desc"] },
+        { code: "var obj = {c:2, b:3, a:1}", options: ["desc"] },
+        { code: "var obj = {b_:1, b:3, a:2}", options: ["desc"] },
+        { code: "var obj = {c:2, b_:1, C:3}", options: ["desc"] },
+        { code: "var obj = {a:4, _:2, A:3, $:1}", options: ["desc"] },
+        { code: "var obj = {A:3, 2:4, '11':2, 1:1}", options: ["desc"] },
+        { code: "var obj = {è:4, À:3, 'Z':2, '#':1}", options: ["desc"] },
+
+        // desc, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {a:1, c:2, b:3}", options: ["desc", { minKeys: 4 }] },
+
+        // desc, insensitive
+        { code: "var obj = {b:3, a:1, _:2} // desc, insensitive", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {c:2, b:3, a:1}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {b_:1, b:3, a:2}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {c:2, C:3, b_:1}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {C:2, c:3, b_:1}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {a:4, A:3, _:2, $:1}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {A:3, 2:4, '11':2, 1:1}", options: ["desc", { caseSensitive: false }] },
+        { code: "var obj = {è:4, À:3, 'Z':2, '#':1}", options: ["desc", { caseSensitive: false }] },
+
+        // desc, insensitive, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {$:1, _:2, A:3, a:4}", options: ["desc", { caseSensitive: false, minKeys: 5 }] },
+
+        // desc, natural
+        { code: "var obj = {b:3, a:1, _:2} // desc, natural", options: ["desc", { natural: true }] },
+        { code: "var obj = {c:2, b:3, a:1}", options: ["desc", { natural: true }] },
+        { code: "var obj = {b_:1, b:3, a:2}", options: ["desc", { natural: true }] },
+        { code: "var obj = {c:2, b_:1, C:3}", options: ["desc", { natural: true }] },
+        { code: "var obj = {a:4, A:3, _:2, $:1}", options: ["desc", { natural: true }] },
+        { code: "var obj = {A:3, '11':2, 2:4, 1:1}", options: ["desc", { natural: true }] },
+        { code: "var obj = {è:4, À:3, 'Z':2, '#':1}", options: ["desc", { natural: true }] },
+
+        // desc, natural, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {b_:1, a:2, b:3}", options: ["desc", { natural: true, minKeys: 4 }] },
+
+        // desc, natural, insensitive
+        { code: "var obj = {b:3, a:1, _:2} // desc, natural, insensitive", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {c:2, b:3, a:1}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {b_:1, b:3, a:2}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {c:2, C:3, b_:1}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {C:2, c:3, b_:1}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {a:4, A:3, _:2, $:1}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {A:3, '11':2, 2:4, 1:1}", options: ["desc", { natural: true, caseSensitive: false }] },
+        { code: "var obj = {è:4, À:3, 'Z':2, '#':1}", options: ["desc", { natural: true, caseSensitive: false }] },
+
+        // desc, natural, insensitive, minKeys should ignore unsorted keys when number of keys is less than minKeys
+        { code: "var obj = {a:1, _:2, b:3}", options: ["desc", { natural: true, caseSensitive: false, minKeys: 4 }] }
+    ],
+    invalid: [
+
+        // default (asc)
+        {
+            code: "var obj = {a:1, '':2} // default",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, [``]:2} // default",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, _:2, b:3} // default",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "C",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "A",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "11",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "Z",
+                        prevName: "À"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = { null: 1, [/(?<zero>0)/]: 2 }",
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "/(?<zero>0)/",
+                        prevName: "null"
+                    }
+                }
+            ]
+        },
+
+        // not ignore properties not separated by spread properties
+        {
+            code: "var obj = {...z, c:1, b:1}",
+            options: [],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, ...c, d:4, b:1, ...y, ...f, e:2, a:1}",
+            options: [],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "d"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "e"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {c:1, b:1, ...a}",
+            options: [],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, ...a, c:1, b:1}",
+            options: [],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, b:1, a:1, ...d, ...c}",
+            options: [],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, a:2, b:0, ...x, ...c}",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, a:2, b:0, ...x}",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {...z, '':1, a:2}",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: ""
+                    }
+                }
+            ]
+        },
+
+        // ignore non-simple computed properties, but their position shouldn't affect other comparisons.
+        {
+            code: "var obj = {a:1, [b+c]:2, '':3}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'':1, [b+c]:2, a:3}",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b:1, [f()]:2, '':3, a:4}",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: ""
+                    }
+                }
+            ]
+        },
+
+        // not ignore simple computed properties.
+        {
+            code: "var obj = {a:1, b:3, [a]: -1, c:2}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b"
+                    }
+                }
+            ]
+        },
+
+        // nested
+        {
+            code: "var obj = {a:1, c:{y:1, x:1}, b:1}",
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "x",
+                        prevName: "y"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+
+        // asc
+        {
+            code: "var obj = {a:1, _:2, b:3} // asc",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "C",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "A",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "11",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["asc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "Z",
+                        prevName: "À"
+                    }
+                }
+            ]
+        },
+
+        // asc, minKeys should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["asc", { minKeys: 3 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+
+        // asc, insensitive
+        {
+            code: "var obj = {a:1, _:2, b:3} // asc, insensitive",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, A:3, _:2, a:4}",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "11",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["asc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "Z",
+                        prevName: "À"
+                    }
+                }
+            ]
+        },
+
+        // asc, insensitive, minKeys should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["asc", { caseSensitive: false, minKeys: 3 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+
+        // asc, natural
+        {
+            code: "var obj = {a:1, _:2, b:3} // asc, natural",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "C",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, A:3, _:2, a:4}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "11",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["asc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "Z",
+                        prevName: "À"
+                    }
+                }
+            ]
+        },
+
+        // asc, natural, minKeys should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["asc", { natural: true, minKeys: 2 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+
+        // asc, natural, insensitive
+        {
+            code: "var obj = {a:1, _:2, b:3} // asc, natural, insensitive",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "b",
+                        prevName: "c"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "a",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, A:3, _:2, a:4}",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, '11':2, 2:4, A:3}",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "2",
+                        prevName: "11"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["asc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "Z",
+                        prevName: "À"
+                    }
+                }
+            ]
+        },
+
+        // asc, natural, insensitive, minKeys should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["asc", { natural: true, caseSensitive: false, minKeys: 3 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "asc",
+                        thisName: "_",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+
+        // desc
+        {
+            code: "var obj = {'':1, a:'2'} // desc",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {[``]:1, a:'2'} // desc",
+            options: ["desc"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: ""
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, _:2, b:3} // desc",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "_",
+                        prevName: "$"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "2",
+                        prevName: "1"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "2"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["desc"],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "À",
+                        prevName: "#"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "è",
+                        prevName: "Z"
+                    }
+                }
+            ]
+        },
+
+        // desc, minKeys should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["desc", { minKeys: 3 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+
+        // desc, insensitive
+        {
+            code: "var obj = {a:1, _:2, b:3} // desc, insensitive",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "_",
+                        prevName: "$"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "2",
+                        prevName: "1"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "2"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["desc", { caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "À",
+                        prevName: "#"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "è",
+                        prevName: "Z"
+                    }
+                }
+            ]
+        },
+
+        // desc, insensitive should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["desc", { caseSensitive: false, minKeys: 2 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+
+        // desc, natural
+        {
+            code: "var obj = {a:1, _:2, b:3} // desc, natural",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "_",
+                        prevName: "$"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "_"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "a",
+                        prevName: "A"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, A:3, '11':2}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "2",
+                        prevName: "1"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "2"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["desc", { natural: true }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "À",
+                        prevName: "#"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "è",
+                        prevName: "Z"
+                    }
+                }
+            ]
+        },
+
+        // desc, natural should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["desc", { natural: true, minKeys: 3 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+
+        // desc, natural, insensitive
+        {
+            code: "var obj = {a:1, _:2, b:3} // desc, natural, insensitive",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {a:1, c:2, b:3}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, a:2, b:3}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "a"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {b_:1, c:2, C:3}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "c",
+                        prevName: "b_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {$:1, _:2, A:3, a:4}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "_",
+                        prevName: "$"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "_"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {1:1, 2:4, '11':2, A:3}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "2",
+                        prevName: "1"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "11",
+                        prevName: "2"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "A",
+                        prevName: "11"
+                    }
+                }
+            ]
+        },
+        {
+            code: "var obj = {'#':1, À:3, 'Z':2, è:4}",
+            options: ["desc", { natural: true, caseSensitive: false }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "À",
+                        prevName: "#"
+                    }
+                },
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "è",
+                        prevName: "Z"
+                    }
+                }
+            ]
+        },
+
+        // desc, natural, insensitive should error when number of keys is greater than or equal to minKeys
+        {
+            code: "var obj = {a:1, _:2, b:3}",
+            options: ["desc", { natural: true, caseSensitive: false, minKeys: 2 }],
+            errors: [
+                {
+                    messageId: "sortKeys",
+                    data: {
+                        natural: "natural ",
+                        insensitive: "insensitive ",
+                        order: "desc",
+                        thisName: "b",
+                        prevName: "_"
+                    }
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/sort-vars.js b/eslint/tests/lib/rules/sort-vars.js
new file mode 100644
index 0000000..fb12b1f
--- /dev/null
+++ b/eslint/tests/lib/rules/sort-vars.js
@@ -0,0 +1,259 @@
+/**
+ * @fileoverview Tests for sort-vars rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/sort-vars"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester(),
+    expectedError = {
+        messageId: "sortVars",
+        type: "VariableDeclarator"
+    },
+    ignoreCaseArgs = [{ ignoreCase: true }];
+
+ruleTester.run("sort-vars", rule, {
+    valid: [
+        "var a=10, b=4, c='abc'",
+        "var a, b, c, d",
+        "var b; var a; var d;",
+        "var _a, a",
+        "var A, a",
+        "var A, b",
+        { code: "var a, A;", options: ignoreCaseArgs },
+        { code: "var A, a;", options: ignoreCaseArgs },
+        { code: "var a, B, c;", options: ignoreCaseArgs },
+        { code: "var A, b, C;", options: ignoreCaseArgs },
+        { code: "var {a, b, c} = x;", options: ignoreCaseArgs, parserOptions: { ecmaVersion: 6 } },
+        { code: "var {A, b, C} = x;", options: ignoreCaseArgs, parserOptions: { ecmaVersion: 6 } },
+        { code: "var test = [1,2,3];", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a,b} = [1,2];", parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "var [a, B, c] = [1, 2, 3];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [A, B, c] = [1, 2, 3];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var [A, b, C] = [1, 2, 3];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "let {a, b, c} = x;", parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "let [a, b, c] = [1, 2, 3];",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const {a, b, c} = {a: 1, b: true, c: \"Moo\"};",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const [a, b, c] = [1, true, \"Moo\"];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "const [c, a, b] = [1, true, \"Moo\"];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "var {a, x: {b, c}} = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {c, x: {a, c}} = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a, x: [b, c]} = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, {b, c}] = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [a, {x: {b, c}}] = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var a = 42, {b, c } = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var b = 42, {a, c } = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [b, {x: {a, c}}] = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var [b, d, a, c] = {};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var e, [a, c, d] = {};", parserOptions: { ecmaVersion: 6 } },
+        {
+            code: "var a, [E, c, D] = [];",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "var a, f, [e, c, d] = [1,2,3];", parserOptions: { ecmaVersion: 6 } },
+        {
+            code: [
+                "export default class {",
+                "    render () {",
+                "        let {",
+                "            b",
+                "        } = this,",
+                "            a,",
+                "            c;",
+                "    }",
+                "}"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            env: { es6: true }
+        },
+
+        {
+            code: "var {} = 1, a",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+    invalid: [
+        {
+            code: "var b, a",
+            output: "var a, b",
+            errors: [expectedError]
+        },
+        {
+            code: "var b , a",
+            output: "var a , b",
+            errors: [expectedError]
+        },
+        {
+            code: [
+                "var b,",
+                "    a;"
+            ].join("\n"),
+            output: [
+                "var a,",
+                "    b;"
+            ].join("\n"),
+            errors: [expectedError]
+        },
+        {
+            code: "var b=10, a=20;",
+            output: "var a=20, b=10;",
+            errors: [expectedError]
+        },
+        {
+            code: "var b=10, a=20, c=30;",
+            output: "var a=20, b=10, c=30;",
+            errors: [expectedError]
+        },
+        {
+            code: "var all=10, a = 1",
+            output: "var a = 1, all=10",
+            errors: [expectedError]
+        },
+        {
+            code: "var b, c, a, d",
+            output: "var a, b, c, d",
+            errors: [expectedError]
+        },
+        {
+            code: "var c, d, a, b",
+            output: "var a, b, c, d",
+            errors: 2
+        },
+        {
+            code: "var a, A;",
+            output: "var A, a;",
+            errors: [expectedError]
+        },
+        {
+            code: "var a, B;",
+            output: "var B, a;",
+            errors: [expectedError]
+        },
+        {
+            code: "var a, B, c;",
+            output: "var B, a, c;",
+            errors: [expectedError]
+        },
+        {
+            code: "var B, a;",
+            output: "var a, B;",
+            options: ignoreCaseArgs,
+            errors: [expectedError]
+        },
+        {
+            code: "var B, A, c;",
+            output: "var A, B, c;",
+            options: ignoreCaseArgs,
+            errors: [expectedError]
+        },
+        {
+            code: "var d, a, [b, c] = {};",
+            output: "var a, d, [b, c] = {};",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var d, a, [b, {x: {c, e}}] = {};",
+            output: "var a, d, [b, {x: {c, e}}] = {};",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var {} = 1, b, a",
+            output: "var {} = 1, a, b",
+            options: ignoreCaseArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var b=10, a=f();",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code: "var b=10, a=b;",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code: "var b = 0, a = `${b}`;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var b = 0, a = `${f()}`",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var b = 0, c = b, a;",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code: "var b = 0, c = 0, a = b + c;",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code: "var b = f(), c, d, a;",
+            output: null,
+            errors: [expectedError]
+        },
+        {
+            code: "var b = `${f()}`, c, d, a;",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedError]
+        },
+        {
+            code: "var c, a = b = 0",
+            output: null,
+            errors: [expectedError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/space-before-blocks.js b/eslint/tests/lib/rules/space-before-blocks.js
new file mode 100644
index 0000000..7b36d9f
--- /dev/null
+++ b/eslint/tests/lib/rules/space-before-blocks.js
@@ -0,0 +1,560 @@
+/**
+ * @fileoverview Tests for space-before-block rule.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/space-before-blocks"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester(),
+    neverArgs = ["never"],
+    functionsOnlyArgs = [{ functions: "always", keywords: "never", classes: "never" }],
+    keywordOnlyArgs = [{ functions: "never", keywords: "always", classes: "never" }],
+    classesOnlyArgs = [{ functions: "never", keywords: "never", classes: "always" }],
+    functionsAlwaysOthersOffArgs = [{ functions: "always", keywords: "off", classes: "off" }],
+    keywordAlwaysOthersOffArgs = [{ functions: "off", keywords: "always", classes: "off" }],
+    classesAlwaysOthersOffArgs = [{ functions: "off", keywords: "off", classes: "always" }],
+    functionsNeverOthersOffArgs = [{ functions: "never", keywords: "off", classes: "off" }],
+    keywordNeverOthersOffArgs = [{ functions: "off", keywords: "never", classes: "off" }],
+    classesNeverOthersOffArgs = [{ functions: "off", keywords: "off", classes: "never" }],
+    expectedSpacingError = { messageId: "missingSpace" },
+    expectedNoSpacingError = { messageId: "unexpectedSpace" };
+
+ruleTester.run("space-before-blocks", rule, {
+    valid: [
+        "if(a) {}",
+        "if(a)  {}",
+        { code: "if(a){}", options: neverArgs },
+        { code: "if(a){}", options: functionsOnlyArgs },
+        { code: "if(a) {}", options: keywordOnlyArgs },
+        { code: "if(a){ function b() {} }", options: functionsOnlyArgs },
+        { code: "if(a) { function b(){} }", options: keywordOnlyArgs },
+        "if(a)\n{}",
+        { code: "if(a)\n{}", options: neverArgs },
+        "if(a) {}else {}",
+        { code: "if(a){}else{}", options: neverArgs },
+        { code: "if(a){}else{}", options: functionsOnlyArgs },
+        { code: "if(a) {} else {}", options: keywordOnlyArgs },
+        { code: "if(a){ function b() {} }else{}", options: functionsOnlyArgs },
+        { code: "if(a) { function b(){} } else {}", options: keywordOnlyArgs },
+        "function a() {}",
+        { code: "function a(){}", options: neverArgs },
+        {
+            code: "export default class{}",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export default class {}",
+            options: classesOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export default function a() {}",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        {
+            code: "export default function a(){}",
+            options: keywordOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" }
+        },
+        { code: "export function a(){}", options: keywordOnlyArgs, parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "export function a() {}", options: functionsOnlyArgs, parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function a(){}", options: keywordOnlyArgs },
+        { code: "function a() {}", options: functionsOnlyArgs },
+        { code: "function a(){ if(b) {} }", options: keywordOnlyArgs },
+        { code: "function a() { if(b){} }", options: functionsOnlyArgs },
+        "switch(a.b(c < d)) { case 'foo': foo(); break; default: if (a) { bar(); } }",
+        "switch(a) { }",
+        "switch(a)  {}",
+        { code: "switch(a.b(c < d)){ case 'foo': foo(); break; default: if (a){ bar(); } }", options: neverArgs },
+        { code: "switch(a.b(c < d)){ case 'foo': foo(); break; default: if (a){ bar(); } }", options: functionsOnlyArgs },
+        { code: "switch(a){}", options: neverArgs },
+        { code: "switch(a){}", options: functionsOnlyArgs },
+        { code: "switch(a) {}", options: keywordOnlyArgs },
+        "try {}catch(a) {}",
+        { code: "try{}catch(a){}", options: neverArgs },
+        { code: "try{}catch(a){}", options: functionsOnlyArgs },
+        { code: "try {} catch(a) {}", options: keywordOnlyArgs },
+        { code: "try{ function b() {} }catch(a){}", options: functionsOnlyArgs },
+        { code: "try { function b(){} } catch(a) {}", options: keywordOnlyArgs },
+        "for(;;) {}",
+        { code: "for(;;){}", options: neverArgs },
+        { code: "for(;;){}", options: functionsOnlyArgs },
+        { code: "for(;;) {}", options: keywordOnlyArgs },
+        { code: "for(;;){ function a() {} }", options: functionsOnlyArgs },
+        { code: "for(;;) { function a(){} }", options: keywordOnlyArgs },
+        "while(a) {}",
+        { code: "while(a){}", options: neverArgs },
+        { code: "while(a){}", options: functionsOnlyArgs },
+        { code: "while(a) {}", options: keywordOnlyArgs },
+        { code: "while(a){ function b() {} }", options: functionsOnlyArgs },
+        { code: "while(a) { function b(){} }", options: keywordOnlyArgs },
+        {
+            code: "class test { constructor() {} }",
+            options: [{ functions: "always", keywords: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test { constructor(){} }",
+            options: classesOnlyArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{ constructor() {} }",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test {}",
+            options: classesOnlyArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{}",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{}",
+            options: neverArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test {}",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "function a(){if(b) {}}", options: keywordAlwaysOthersOffArgs },
+        { code: "function a() {if(b) {}}", options: keywordAlwaysOthersOffArgs },
+        { code: "function a() {if(b){}}", options: functionsAlwaysOthersOffArgs },
+        { code: "function a() {if(b) {}}", options: functionsAlwaysOthersOffArgs },
+        {
+            code: "class test { constructor(){if(a){}} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test { constructor() {if(a){}} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test { constructor(){if(a) {}} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test { constructor() {if(a) {}} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "function a(){if(b){}}", options: keywordNeverOthersOffArgs },
+        { code: "function a() {if(b){}}", options: keywordNeverOthersOffArgs },
+        { code: "function a(){if(b){}}", options: functionsNeverOthersOffArgs },
+        { code: "function a(){if(b) {}}", options: functionsNeverOthersOffArgs },
+        {
+            code: "class test{ constructor(){if(a){}} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{ constructor() {if(a){}} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{ constructor(){if(a) {}} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class test{ constructor() {if(a) {}} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/3769
+        { code: "()=>{};", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "() => {};", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // https://github.com/eslint/eslint/issues/1338
+        "if(a) {}else{}",
+        { code: "if(a){}else {}", options: neverArgs },
+        { code: "try {}catch(a){}", options: functionsOnlyArgs },
+        { code: "export default class{}", options: classesOnlyArgs, parserOptions: { ecmaVersion: 6, sourceType: "module" } }
+    ],
+    invalid: [
+        {
+            code: "if(a){}",
+            output: "if(a) {}",
+            errors: [{ messageId: "missingSpace", line: 1, column: 6 }]
+        },
+        {
+            code: "if(a){}",
+            output: "if(a) {}",
+            options: keywordOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "if(a) {}",
+            output: "if(a){}",
+            options: functionsOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "if(a) { function a() {} }",
+            output: "if(a){ function a() {} }",
+            options: functionsOnlyArgs,
+            errors: [{ messageId: "unexpectedSpace", line: 1, column: 7 }]
+        },
+        {
+            code: "if(a) { function a() {} }",
+            output: "if(a) { function a(){} }",
+            options: keywordOnlyArgs,
+            errors: [{ messageId: "unexpectedSpace", line: 1, column: 22 }]
+        },
+        {
+            code: "if(a) {}",
+            output: "if(a){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "function a(){}",
+            output: "function a() {}",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "function a() {}",
+            output: "function a(){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "function a()    {}",
+            output: "function a(){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "function a(){ if (a){} }",
+            output: "function a() { if (a){} }",
+            options: functionsOnlyArgs,
+            errors: [{ messageId: "missingSpace", line: 1, column: 13 }]
+        },
+        {
+            code: "function a() { if (a) {} }",
+            output: "function a(){ if (a) {} }",
+            options: keywordOnlyArgs,
+            errors: [{ messageId: "unexpectedSpace", line: 1, column: 14 }]
+        },
+        {
+            code: "function a(){}",
+            output: "function a() {}",
+            options: functionsOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "function a() {}",
+            output: "function a(){}",
+            options: keywordOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "switch(a){}",
+            output: "switch(a) {}",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "switch(a) {}",
+            output: "switch(a){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "switch(a){}",
+            output: "switch(a) {}",
+            options: keywordOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "switch(a) {}",
+            output: "switch(a){}",
+            options: functionsOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "switch(a.b()){ case 'foo': foo(); break; default: if (a) { bar(); } }",
+            output: "switch(a.b()) { case 'foo': foo(); break; default: if (a) { bar(); } }",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "switch(a.b()) { case 'foo': foo(); break; default: if (a){ bar(); } }",
+            output: "switch(a.b()){ case 'foo': foo(); break; default: if (a){ bar(); } }",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "try{}catch(a){}",
+            output: "try{}catch(a) {}",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "try {}catch(a) {}",
+            output: "try {}catch(a){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "try {} catch(a){}",
+            output: "try {} catch(a) {}",
+            options: keywordOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "try { function b() {} } catch(a) {}",
+            output: "try { function b(){} } catch(a) {}",
+            options: keywordOnlyArgs,
+            errors: [{ messageId: "unexpectedSpace", line: 1, column: 20 }]
+        },
+        {
+            code: "try{ function b(){} }catch(a){}",
+            output: "try{ function b() {} }catch(a){}",
+            options: functionsOnlyArgs,
+            errors: [{ messageId: "missingSpace", line: 1, column: 18 }]
+        },
+        {
+            code: "for(;;){}",
+            output: "for(;;) {}",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "for(;;) {}",
+            output: "for(;;){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "for(;;){}",
+            output: "for(;;) {}",
+            options: keywordOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "for(;;) {}",
+            output: "for(;;){}",
+            options: functionsOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "for(;;){ function a(){} }",
+            output: "for(;;){ function a() {} }",
+            options: functionsOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "for(;;) { function a() {} }",
+            output: "for(;;) { function a(){} }",
+            options: keywordOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "while(a){}",
+            output: "while(a) {}",
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "while(a) {}",
+            output: "while(a){}",
+            options: neverArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "while(a){}",
+            output: "while(a) {}",
+            options: keywordOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "while(a) {}",
+            output: "while(a){}",
+            options: functionsOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "while(a){ function a(){} }",
+            output: "while(a){ function a() {} }",
+            options: functionsOnlyArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "while(a) { function a() {} }",
+            output: "while(a) { function a(){} }",
+            options: keywordOnlyArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "export function a() { if(b) {} }",
+            output: "export function a() { if(b){} }",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "export function a(){ if(b){} }",
+            output: "export function a(){ if(b) {} }",
+            options: keywordOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "export function a(){}",
+            output: "export function a() {}",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "export default function (a) {}",
+            output: "export default function (a){}",
+            options: keywordOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "export function a() {}",
+            output: "export function a(){}",
+            options: keywordOnlyArgs,
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "class test{}",
+            output: "class test {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "class test{}",
+            output: "class test {}",
+            options: classesOnlyArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "class test{ constructor(){} }",
+            output: "class test{ constructor() {} }",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "class test { constructor() {} }",
+            output: "class test { constructor(){} }",
+            options: classesOnlyArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "class test {}",
+            output: "class test{}",
+            options: functionsOnlyArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "class test {}",
+            output: "class test{}",
+            options: neverArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "if(a){ function a(){} }",
+            output: "if(a){ function a() {} }",
+            options: functionsAlwaysOthersOffArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "if(a) { function a(){} }",
+            output: "if(a) { function a() {} }",
+            options: functionsAlwaysOthersOffArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "if(a){ function a(){} }",
+            output: "if(a) { function a(){} }",
+            options: keywordAlwaysOthersOffArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "if(a){ function a() {} }",
+            output: "if(a) { function a() {} }",
+            options: keywordAlwaysOthersOffArgs,
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "class test{ constructor(){} }",
+            output: "class test { constructor(){} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "class test{ constructor() {} }",
+            output: "class test { constructor() {} }",
+            options: classesAlwaysOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedSpacingError]
+        },
+        {
+            code: "if(a){ function a() {} }",
+            output: "if(a){ function a(){} }",
+            options: functionsNeverOthersOffArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "if(a) { function a() {} }",
+            output: "if(a) { function a(){} }",
+            options: functionsNeverOthersOffArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "if(a) { function a(){} }",
+            output: "if(a){ function a(){} }",
+            options: keywordNeverOthersOffArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "if(a) { function a() {} }",
+            output: "if(a){ function a() {} }",
+            options: keywordNeverOthersOffArgs,
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "class test { constructor(){} }",
+            output: "class test{ constructor(){} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedNoSpacingError]
+        },
+        {
+            code: "class test { constructor() {} }",
+            output: "class test{ constructor() {} }",
+            options: classesNeverOthersOffArgs,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [expectedNoSpacingError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/space-before-function-paren.js b/eslint/tests/lib/rules/space-before-function-paren.js
new file mode 100644
index 0000000..bc19239
--- /dev/null
+++ b/eslint/tests/lib/rules/space-before-function-paren.js
@@ -0,0 +1,604 @@
+/**
+ * @fileoverview Tests for space-before-function-paren.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/space-before-function-paren");
+const { RuleTester } = require("../../../lib/rule-tester");
+const baseParser = require("../../fixtures/fixture-parser");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("space-before-function-paren", rule, {
+
+    valid: [
+        "function foo () {}",
+        "var foo = function () {}",
+        "var bar = function foo () {}",
+        "var bar = function foo/**/ () {}",
+        "var bar = function foo /**/() {}",
+        "var bar = function foo/**/\n() {}",
+        "var bar = function foo\n/**/() {}",
+        "var bar = function foo//\n() {}",
+        "var obj = { get foo () {}, set foo (val) {} };",
+        {
+            code: "var obj = { foo () {} };",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        { code: "function* foo () {}", parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = function *() {};", parserOptions: { ecmaVersion: 6 } },
+
+        { code: "function foo() {}", options: ["never"] },
+        { code: "var foo = function() {}", options: ["never"] },
+        { code: "var foo = function/**/() {}", options: ["never"] },
+        { code: "var foo = function/* */() {}", options: ["never"] },
+        { code: "var foo = function/* *//*  */() {}", options: ["never"] },
+        { code: "var bar = function foo() {}", options: ["never"] },
+        { code: "var obj = { get foo() {}, set foo(val) {} };", options: ["never"] },
+        {
+            code: "var obj = { foo() {} };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function* foo() {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function*() {};",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        {
+            code: [
+                "function foo() {}",
+                "var bar = function () {}",
+                "function* baz() {}",
+                "var bat = function*() {};",
+                "var obj = { get foo() {}, set foo(val) {}, bar() {} };"
+            ].join("\n"),
+            options: [{ named: "never", anonymous: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "function foo () {}",
+                "var bar = function() {}",
+                "function* baz () {}",
+                "var bat = function* () {};",
+                "var obj = { get foo () {}, set foo (val) {}, bar () {} };"
+            ].join("\n"),
+            options: [{ named: "always", anonymous: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class Foo { constructor() {} *method() {} }",
+            options: [{ named: "never", anonymous: "always" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class Foo { constructor () {} *method () {} }",
+            options: [{ named: "always", anonymous: "never" }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "var foo = function() {}",
+            options: [{ named: "always", anonymous: "ignore" }]
+        },
+        {
+            code: "var foo = function () {}",
+            options: [{ named: "always", anonymous: "ignore" }]
+        },
+        {
+            code: "var bar = function foo() {}",
+            options: [{ named: "ignore", anonymous: "always" }]
+        },
+        {
+            code: "var bar = function foo () {}",
+            options: [{ named: "ignore", anonymous: "always" }]
+        },
+        {
+            code: "type TransformFunction = (el: ASTElement, code: string) => string;",
+            parser: baseParser("babel-eslint7", "function-type-annotation")
+        },
+
+        // Async arrow functions
+        { code: "() => 1", parserOptions: { ecmaVersion: 6 } },
+        { code: "async a => a", parserOptions: { ecmaVersion: 8 } },
+        { code: "async a => a", options: [{ asyncArrow: "always" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async a => a", options: [{ asyncArrow: "never" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => 1", options: [{ asyncArrow: "always" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async() => 1", options: [{ asyncArrow: "never" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => 1", options: [{ asyncArrow: "ignore" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async() => 1", options: [{ asyncArrow: "ignore" }], parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => 1", parserOptions: { ecmaVersion: 8 } },
+        { code: "async () => 1", options: ["always"], parserOptions: { ecmaVersion: 8 } },
+        { code: "async() => 1", options: ["never"], parserOptions: { ecmaVersion: 8 } }
+    ],
+
+    invalid: [
+        {
+            code: "function foo() {}",
+            output: "function foo () {}",
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo/* */() {}",
+            output: "function foo /* */() {}",
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = function() {}",
+            output: "var foo = function () {}",
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var bar = function foo() {}",
+            output: "var bar = function foo () {}",
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "var obj = { get foo() {}, set foo(val) {} };",
+            output: "var obj = { get foo () {}, set foo (val) {} };",
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 20
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 34
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo() {} };",
+            output: "var obj = { foo () {} };",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "function* foo() {}",
+            output: "function* foo () {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+
+        {
+            code: "function foo () {}",
+            output: "function foo() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo /* */ () {}",
+            output: "function foo/* */() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo/* block comment */ () {}",
+            output: "function foo/* block comment */() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo/* 1 */ /* 2 */ \n /* 3 */\n/* 4 */ () {}",
+            output: "function foo/* 1 *//* 2 *//* 3 *//* 4 */() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo//\n() {}",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo // line comment \n () {}",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "function foo\n//\n() {}",
+            output: null,
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                }
+            ]
+        },
+        {
+            code: "var foo = function () {}",
+            output: "var foo = function() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var bar = function foo () {}",
+            output: "var bar = function foo() {}",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "var obj = { get foo () {}, set foo (val) {} };",
+            output: "var obj = { get foo() {}, set foo(val) {} };",
+            options: ["never"],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 20
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 35
+                }
+            ]
+        },
+        {
+            code: "var obj = { foo () {} };",
+            output: "var obj = { foo() {} };",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: "function* foo () {}",
+            output: "function* foo() {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 14
+                }
+            ]
+        },
+
+        {
+            code: [
+                "function foo () {}",
+                "var bar = function() {}",
+                "var obj = { get foo () {}, set foo (val) {}, bar () {} };"
+            ].join("\n"),
+            output: [
+                "function foo() {}",
+                "var bar = function () {}",
+                "var obj = { get foo() {}, set foo(val) {}, bar() {} };"
+            ].join("\n"),
+            options: [{ named: "never", anonymous: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 13
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 2,
+                    column: 19
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 3,
+                    column: 20
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 3,
+                    column: 35
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 3,
+                    column: 49
+                }
+            ]
+        },
+        {
+            code: "class Foo { constructor () {} *method () {} }",
+            output: "class Foo { constructor() {} *method() {} }",
+            options: [{ named: "never", anonymous: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 24
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 38
+                }
+            ]
+        },
+        {
+            code: "var foo = { bar () {} }",
+            output: "var foo = { bar() {} }",
+            options: [{ named: "never", anonymous: "always" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 16
+                }
+            ]
+        },
+        {
+            code: [
+                "function foo() {}",
+                "var bar = function () {}",
+                "var obj = { get foo() {}, set foo(val) {}, bar() {} };"
+            ].join("\n"),
+            output: [
+                "function foo () {}",
+                "var bar = function() {}",
+                "var obj = { get foo () {}, set foo (val) {}, bar () {} };"
+            ].join("\n"),
+            options: [{ named: "always", anonymous: "never" }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                {
+                    type: "FunctionDeclaration",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 13
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 2,
+                    column: 19
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 3,
+                    column: 20
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 3,
+                    column: 34
+                },
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 3,
+                    column: 47
+                }
+            ]
+        },
+        {
+            code: "var foo = function() {}",
+            output: "var foo = function () {}",
+            options: [{ named: "ignore", anonymous: "always" }],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var foo = function () {}",
+            output: "var foo = function() {}",
+            options: [{ named: "ignore", anonymous: "never" }],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 19
+                }
+            ]
+        },
+        {
+            code: "var bar = function foo() {}",
+            output: "var bar = function foo () {}",
+            options: [{ named: "always", anonymous: "ignore" }],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "missingSpace",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+        {
+            code: "var bar = function foo () {}",
+            output: "var bar = function foo() {}",
+            options: [{ named: "never", anonymous: "ignore" }],
+            errors: [
+                {
+                    type: "FunctionExpression",
+                    messageId: "unexpectedSpace",
+                    line: 1,
+                    column: 23
+                }
+            ]
+        },
+
+        // Async arrow functions
+        {
+            code: "async() => 1",
+            output: "async () => 1",
+            options: [{ asyncArrow: "always" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: ["Missing space before function parentheses."]
+        },
+        {
+            code: "async () => 1",
+            output: "async() => 1",
+            options: [{ asyncArrow: "never" }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: ["Unexpected space before function parentheses."]
+        },
+        {
+            code: "async() => 1",
+            output: "async () => 1",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missingSpace", type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "async() => 1",
+            output: "async () => 1",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "missingSpace", type: "ArrowFunctionExpression" }]
+        },
+        {
+            code: "async () => 1",
+            output: "async() => 1",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{ messageId: "unexpectedSpace", type: "ArrowFunctionExpression" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/space-in-parens.js b/eslint/tests/lib/rules/space-in-parens.js
new file mode 100644
index 0000000..a68c6ba
--- /dev/null
+++ b/eslint/tests/lib/rules/space-in-parens.js
@@ -0,0 +1,568 @@
+/**
+ * @fileoverview Disallows or enforces spaces inside of parentheses.
+ * @author Jonathan Rajavuori
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/space-in-parens"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("space-in-parens", rule, {
+
+    valid: [
+        { code: "foo()", options: ["never"] },
+        { code: "foo()", options: ["always"] },
+        { code: "foo( bar )", options: ["always"] },
+        { code: "foo\n(\nbar\n)\n", options: ["always"] },
+        { code: "foo\n(  \nbar\n )\n", options: ["always"] },
+        { code: "foo\n(\n bar  \n)\n", options: ["always"] },
+        { code: "foo\n( \n  bar \n  )\n", options: ["always"] },
+        { code: "foo\n(\t\nbar\n)", options: ["always"] },
+        { code: "\tfoo(\n\t\tbar\n\t)", options: ["always"] },
+        { code: "\tfoo\n(\t\n\t\tbar\t\n\t)", options: ["always"] },
+        { code: "var x = ( 1 + 2 ) * 3", options: ["always"] },
+        { code: "var x = 'foo(bar)'", options: ["always"] },
+        { code: "var x = 'bar( baz )'", options: ["always"] },
+        { code: "var foo = `(bar)`;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `(bar ${baz})`;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `(bar ${( 1 + 2 )})`;", options: ["always"], parserOptions: { ecmaVersion: 6 } },
+        { code: "bar(baz)", options: ["never"] },
+        { code: "var x = (4 + 5) * 6", options: ["never"] },
+        { code: "foo\n(\nbar\n)\n", options: ["never"] },
+        { code: "foo\n(  \nbar\n )\n", options: ["never"] },
+        { code: "foo\n(\n bar  \n)\n", options: ["never"] },
+        { code: "foo\n( \n  bar \n  )\n", options: ["never"] },
+        { code: "var foo = `( bar )`;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `( bar ${baz} )`;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = `(bar ${(1 + 2)})`;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+
+        // comments
+        { code: "foo( /* bar */ )", options: ["always"] },
+        { code: "foo( /* bar */baz )", options: ["always"] },
+        { code: "foo( /* bar */ baz )", options: ["always"] },
+        { code: "foo( baz/* bar */ )", options: ["always"] },
+        { code: "foo( baz /* bar */ )", options: ["always"] },
+        { code: "foo(/* bar */)", options: ["never"] },
+        { code: "foo(/* bar */ baz)", options: ["never"] },
+        "foo( //some comment\nbar\n)\n",
+        { code: "foo(//some comment\nbar\n)\n", options: ["never"] },
+        { code: "foo( //some comment\nbar\n)\n", options: ["never"] },
+
+        // exceptions
+        { code: "foo({ bar: 'baz' })", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo( { bar: 'baz' } )", options: ["always", { exceptions: ["[]", "()"] }] },
+        { code: "( (foo(bar() ) ) );", options: ["never", { exceptions: ["()"] }] },
+        { code: "foo( 1, { bar: 'baz' })", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo({ bar: 'baz' }, 1 )", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo({\nbar: 'baz',\nbaz: 'bar'\n})", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo({ bar: 'baz' })", options: ["never", { exceptions: ["[]", "()"] }] },
+        { code: "foo( { bar: 'baz' } )", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo(1, { bar: 'baz' } )", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo( { bar: 'baz' }, 1)", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo( {\nbar: 'baz',\nbaz: 'bar'\n} )", options: ["never", { exceptions: ["{}"] }] },
+
+        { code: "foo([ 1, 2 ])", options: ["always", { exceptions: ["[]"] }] },
+        { code: "foo( [ 1, 2 ] )", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo( 1, [ 1, 2 ])", options: ["always", { exceptions: ["[]"] }] },
+        { code: "foo([ 1, 2 ], 1 )", options: ["always", { exceptions: ["[]"] }] },
+        { code: "foo([\n1,\n2\n])", options: ["always", { exceptions: ["[]"] }] },
+        { code: "foo([ 1, 2 ])", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo( [ 1, 2 ] )", options: ["never", { exceptions: ["[]"] }] },
+        { code: "foo(1, [ 1, 2 ] )", options: ["never", { exceptions: ["[]"] }] },
+        { code: "foo( [ 1, 2 ], 1)", options: ["never", { exceptions: ["[]"] }] },
+        { code: "foo( [\n1,\n2\n] )", options: ["never", { exceptions: ["[]"] }] },
+
+        { code: "foo(( 1 + 2 ))", options: ["always", { exceptions: ["()"] }] },
+        { code: "foo( ( 1 + 2 ) )", options: ["always", { exceptions: ["{}"] }] },
+        { code: "foo( 1 / ( 1 + 2 ))", options: ["always", { exceptions: ["()"] }] },
+        { code: "foo(( 1 + 2 ) / 1 )", options: ["always", { exceptions: ["()"] }] },
+        { code: "foo((\n1 + 2\n))", options: ["always", { exceptions: ["()"] }] },
+        { code: "foo((1 + 2))", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo( (1 + 2) )", options: ["never", { exceptions: ["()"] }] },
+        { code: "foo(1 / (1 + 2) )", options: ["never", { exceptions: ["()"] }] },
+        { code: "foo( (1 + 2) / 1)", options: ["never", { exceptions: ["()"] }] },
+        { code: "foo( (\n1 + 2\n) )", options: ["never", { exceptions: ["()"] }] },
+
+        { code: "foo()", options: ["never", { exceptions: ["{}"] }] },
+        { code: "foo( )", options: ["never", { exceptions: ["empty"] }] },
+        { code: "foo()", options: ["always", { exceptions: ["empty"] }] },
+        { code: "foo( )", options: ["always", { exceptions: ["[]"] }] },
+        { code: "foo(( x, {bar:'baz'} ))", options: ["always", { exceptions: ["empty", "()"] }] },
+        { code: "foo( [1, 2], 1 )", options: ["always", { exceptions: ["empty", "()"] }] },
+        { code: "foo(\n1 + 2\n)", options: ["always", { exceptions: ["empty"] }] },
+        { code: "foo( \n1 + 2\n )", options: ["never", { exceptions: ["empty"] }] },
+
+        { code: "foo({ bar: 'baz' }, [ 1, 2 ])", options: ["always", { exceptions: ["{}", "[]"] }] },
+        { code: "foo({\nbar: 'baz'\n}, [\n1,\n2\n])", options: ["always", { exceptions: ["{}", "[]"] }] },
+        { code: "foo(); bar({bar:'baz'}); baz([1,2])", options: ["always", { exceptions: ["{}", "[]", "()", "empty"] }] },
+        { code: "foo( { bar: 'baz' }, [ 1, 2 ] )", options: ["never", { exceptions: ["{}", "[]"] }] },
+        { code: "foo( {\nbar: 'baz'\n}, [\n1,\n2\n] )", options: ["never", { exceptions: ["{}", "[]"] }] },
+        { code: "foo( ); bar( {bar:'baz'} ); baz( [1,2] )", options: ["never", { exceptions: ["{}", "[]", "empty"] }] },
+
+        // faulty exceptions option
+        { code: "foo( { bar: 'baz' } )", options: ["always", { exceptions: [] }] },
+        { code: "foo( { bar: 'baz' } )", options: ["always", {}] }
+    ],
+
+    invalid: [
+
+        // methods and functions
+        {
+            code: "bar(baz )",
+            output: "bar(baz)",
+            options: ["never"],
+            errors: [{ messageId: "rejectedClosingSpace" }]
+        },
+        {
+            code: "bar( baz )",
+            output: "bar(baz)",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5, endColumn: 6 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 9, endColumn: 10 }
+            ]
+        },
+        {
+            code: "bar(  baz  )",
+            output: "bar(baz)",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5, endColumn: 7 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 10, endColumn: 12 }
+            ]
+        },
+        {
+            code: "foo( )",
+            output: "foo()",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5, endColumn: 6 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 5, endColumn: 6 }
+            ]
+        },
+        {
+            code: "foo(  )",
+            output: "foo()",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5, endColumn: 7 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 5, endColumn: 7 }
+            ]
+        },
+        {
+            code: "foo(bar() )",
+            output: "foo(bar())",
+            options: ["never"],
+            errors: [{ messageId: "rejectedClosingSpace" }]
+        },
+        {
+            code: "foo\n(\nbar )",
+            output: "foo\n(\nbar)",
+            options: ["never"],
+            errors: [{ messageId: "rejectedClosingSpace", line: 3, column: 4 }]
+        },
+        {
+            code: "foo\n(bar\n)\n",
+            output: "foo\n( bar\n)\n",
+            options: ["always"],
+            errors: [{ messageId: "missingOpeningSpace", line: 2, column: 1 }]
+        },
+        {
+            code: "foo( bar)",
+            output: "foo( bar )",
+            options: ["always"],
+            errors: [{ messageId: "missingClosingSpace", line: 1, column: 9 }]
+        },
+        {
+            code: "foo(bar)",
+            output: "foo( bar )",
+            options: ["always"],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 4, endColumn: 5 },
+                { messageId: "missingClosingSpace", line: 1, column: 8, endColumn: 9 }
+            ]
+        },
+
+        // variable declaration and formulas
+        {
+            code: "var x = ( 1 + 2) * 3",
+            output: "var x = ( 1 + 2 ) * 3",
+            options: ["always"],
+            errors: [{ messageId: "missingClosingSpace", line: 1, column: 16 }]
+        },
+        {
+            code: "var x = (1 + 2 ) * 3",
+            output: "var x = ( 1 + 2 ) * 3",
+            options: ["always"],
+            errors: [{ messageId: "missingOpeningSpace", line: 1, column: 9 }]
+        },
+        {
+            code: "var x = ( 4 + 5) * 6",
+            output: "var x = (4 + 5) * 6",
+            options: ["never"],
+            errors: [{ messageId: "rejectedOpeningSpace" }]
+        },
+        {
+            code: "var x = (4 + 5 ) * 6",
+            output: "var x = (4 + 5) * 6",
+            options: ["never"],
+            errors: [{ messageId: "rejectedClosingSpace" }]
+        },
+
+        // comments
+        {
+            code: "foo(/* bar */)",
+            output: "foo( /* bar */ )",
+            options: ["always"],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "foo(/* bar */baz )",
+            output: "foo( /* bar */baz )",
+            options: ["always"],
+            errors: [{ messageId: "missingOpeningSpace" }]
+        },
+        {
+            code: "foo(/* bar */ baz )",
+            output: "foo( /* bar */ baz )",
+            options: ["always"],
+            errors: [{ messageId: "missingOpeningSpace" }]
+        },
+        {
+            code: "foo( baz/* bar */)",
+            output: "foo( baz/* bar */ )",
+            options: ["always"],
+            errors: [{ messageId: "missingClosingSpace" }]
+        },
+        {
+            code: "foo( baz /* bar */)",
+            output: "foo( baz /* bar */ )",
+            options: ["always"],
+            errors: [{ messageId: "missingClosingSpace" }]
+        },
+        {
+            code: "foo( /* bar */ )",
+            output: "foo(/* bar */)",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( /* bar */ baz)",
+            output: "foo(/* bar */ baz)",
+            options: ["never"],
+            errors: [{ messageId: "rejectedOpeningSpace", line: 1, column: 5 }]
+        },
+
+        // exceptions
+        {
+            code: "foo()",
+            output: "foo( )",
+            options: ["never", { exceptions: ["empty"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 4 },
+                { messageId: "missingClosingSpace", line: 1, column: 5 }
+            ]
+        },
+        {
+            code: "foo( )",
+            output: "foo()",
+            options: ["always", { exceptions: ["()", "empty"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 5 }
+            ]
+        },
+        {
+            code: "foo( )",
+            output: "foo()",
+            options: ["always", { exceptions: ["empty"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 5 }
+            ]
+        },
+        {
+            code: "foo( bar() )",
+            output: "foo( bar())",
+            options: ["always", { exceptions: ["()", "empty"] }],
+            errors: [
+                { messageId: "rejectedClosingSpace", line: 1, column: 11 }
+            ]
+        },
+        {
+            code: "foo(bar())",
+            output: "foo(bar() )",
+            options: ["never", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingClosingSpace", line: 1, column: 10 }
+            ]
+        },
+        {
+            code: "foo( bar() )",
+            output: "foo(bar( ))",
+            options: ["never", { exceptions: ["empty"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 5 },
+                { messageId: "missingOpeningSpace", line: 1, column: 9 },
+                { messageId: "missingClosingSpace", line: 1, column: 10 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 11 }
+            ]
+        },
+        {
+            code: "foo([1,2], bar() )",
+            output: "foo( [1,2], bar())",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 4 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 17 }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz' })",
+            output: "foo( { bar: 'baz' } )",
+            options: ["always", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( { bar: 'baz' } )",
+            output: "foo({ bar: 'baz' })",
+            options: ["always", { exceptions: ["{}"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "foo({ bar: 'baz' })",
+            output: "foo( { bar: 'baz' } )",
+            options: ["never", { exceptions: ["{}"] }],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( { bar: 'baz' } )",
+            output: "foo({ bar: 'baz' })",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( { bar: 'baz' })",
+            output: "foo({ bar: 'baz' })",
+            options: ["always", { exceptions: ["{}"] }],
+            errors: [{ messageId: "rejectedOpeningSpace" }]
+        },
+        {
+            code: "foo( { bar: 'baz' })",
+            output: "foo( { bar: 'baz' } )",
+            options: ["never", { exceptions: ["{}"] }],
+            errors: [{ messageId: "missingClosingSpace" }]
+        },
+        {
+            code: "foo({ bar: 'baz' } )",
+            output: "foo({ bar: 'baz' })",
+            options: ["always", { exceptions: ["{}"] }],
+            errors: [{ messageId: "rejectedClosingSpace" }]
+        },
+        {
+            code: "foo({ bar: 'baz' } )",
+            output: "foo( { bar: 'baz' } )",
+            options: ["never", { exceptions: ["{}"] }],
+            errors: [{ messageId: "missingOpeningSpace" }]
+        },
+        {
+            code: "foo([ 1, 2 ])",
+            output: "foo( [ 1, 2 ] )",
+            options: ["always", { exceptions: ["empty"] }],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( [ 1, 2 ] )",
+            output: "foo([ 1, 2 ])",
+            options: ["always", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "foo([ 1, 2 ])",
+            output: "foo( [ 1, 2 ] )",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "foo( [ 1, 2 ] )",
+            output: "foo([ 1, 2 ])",
+            options: ["never", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "foo([ 1, 2 ] )",
+            output: "foo([ 1, 2 ])",
+            options: ["always", { exceptions: ["[]"] }],
+            errors: [{ messageId: "rejectedClosingSpace" }]
+        },
+        {
+            code: "foo([ 1, 2 ] )",
+            output: "foo( [ 1, 2 ] )",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [{ messageId: "missingOpeningSpace" }]
+        },
+        {
+            code: "foo( [ 1, 2 ])",
+            output: "foo([ 1, 2 ])",
+            options: ["always", { exceptions: ["[]"] }],
+            errors: [{ messageId: "rejectedOpeningSpace" }]
+        },
+        {
+            code: "foo( [ 1, 2 ])",
+            output: "foo( [ 1, 2 ] )",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [{ messageId: "missingClosingSpace" }]
+        },
+        {
+            code: "(( 1 + 2 ))",
+            output: "( ( 1 + 2 ) )",
+            options: ["always", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "missingOpeningSpace" },
+                { messageId: "missingClosingSpace" }
+            ]
+        },
+        {
+            code: "( ( 1 + 2 ) )",
+            output: "(( 1 + 2 ))",
+            options: ["always", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 2 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 12 }
+            ]
+        },
+        {
+            code: "( ( 1 + 2 ) )",
+            output: "((1 + 2))",
+            options: ["never"],
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 2 },
+                { messageId: "rejectedOpeningSpace", line: 1, column: 4 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 10 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 12 }
+            ]
+        },
+        {
+            code: "( ( 1 + 2 ) )",
+            output: "((1 + 2))",
+            options: ["never", { exceptions: ["[]"] }],
+            errors: [
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedOpeningSpace" },
+                { messageId: "rejectedClosingSpace" },
+                { messageId: "rejectedClosingSpace" }
+            ]
+        },
+        {
+            code: "((1 + 2))",
+            output: "(( 1 + 2 ))",
+            options: ["always", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 2 },
+                { messageId: "missingClosingSpace", line: 1, column: 8 }
+            ]
+        },
+        {
+            code: "((1 + 2))",
+            output: "( (1 + 2) )",
+            options: ["never", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 1 },
+                { messageId: "missingClosingSpace", line: 1, column: 9 }
+            ]
+        },
+        {
+            code: "((1 + 2) )",
+            output: "( (1 + 2) )",
+            options: ["never", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 1 }
+            ]
+        },
+        {
+            code: "var result = ( 1 / ( 1 + 2 ) ) + 3",
+            output: "var result = ( 1 / ( 1 + 2 )) + 3",
+            options: ["always", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "rejectedClosingSpace", line: 1, column: 29 }
+            ]
+        },
+        {
+            code: "var result = (1 / (1 + 2)) + 3",
+            output: "var result = (1 / (1 + 2) ) + 3",
+            options: ["never", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingClosingSpace", line: 1, column: 26 }
+            ]
+        },
+        {
+            code: "var result = (1 / ( 1 + 2) ) + 3",
+            output: "var result = ( 1 / ( 1 + 2 )) + 3",
+            options: ["always", { exceptions: ["()"] }],
+            errors: [
+                { messageId: "missingOpeningSpace", line: 1, column: 14 },
+                { messageId: "missingClosingSpace", line: 1, column: 26 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 27 }
+            ]
+        },
+
+        // ES6
+        {
+            code: "var foo = `(bar ${( 1 + 2 )})`;",
+            output: "var foo = `(bar ${(1 + 2)})`;",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "rejectedOpeningSpace", line: 1, column: 20 },
+                { messageId: "rejectedClosingSpace", line: 1, column: 26 }
+            ]
+        },
+        {
+            code: "var foo = `(bar ${(1 + 2 )})`;",
+            output: "var foo = `(bar ${( 1 + 2 )})`;",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "missingOpeningSpace", line: 1, column: 19 }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/space-infix-ops.js b/eslint/tests/lib/rules/space-infix-ops.js
new file mode 100644
index 0000000..65c1e56
--- /dev/null
+++ b/eslint/tests/lib/rules/space-infix-ops.js
@@ -0,0 +1,438 @@
+/**
+ * @fileoverview Require spaces around infix operators
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/space-infix-ops"),
+    { RuleTester } = require("../../../lib/rule-tester"),
+    parser = require("../../fixtures/fixture-parser");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("space-infix-ops", rule, {
+    valid: [
+        "a + b",
+        "a + ++b",
+        "a++ + b",
+        "a++ + ++b",
+        "a     + b",
+        "(a) + (b)",
+        "((a)) + ((b))",
+        "(((a))) + (((b)))",
+        "a + +b",
+        "a + (b)",
+        "a + +(b)",
+        "a + (+(b))",
+        "(a + b) + (c + d)",
+        "a = b",
+        "a ? b : c",
+        "var a = b",
+        { code: "const my_object = {key: 'value'};", parserOptions: { ecmaVersion: 6 } },
+        { code: "var {a = 0} = bar;", parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(a = 0) { }", parserOptions: { ecmaVersion: 6 } },
+        { code: "a ** b", parserOptions: { ecmaVersion: 7 } },
+        { code: "a|0", options: [{ int32Hint: true }] },
+        { code: "a |0", options: [{ int32Hint: true }] },
+
+        // Type Annotations
+        { code: "function foo(a: number = 0) { }", parser: parser("type-annotations/function-parameter-type-annotation"), parserOptions: { ecmaVersion: 6 } },
+        { code: "function foo(): Bar { }", parser: parser("type-annotations/function-return-type-annotation"), parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo: Bar = '';", parser: parser("type-annotations/variable-declaration-init-type-annotation"), parserOptions: { ecmaVersion: 6 } },
+        { code: "const foo = function(a: number = 0): Bar { };", parser: parser("type-annotations/function-expression-type-annotation"), parserOptions: { ecmaVersion: 6 } },
+
+        // TypeScript Type Aliases
+        { code: "type Foo<T> = T;", parser: parser("typescript-parsers/type-alias"), parserOptions: { ecmaVersion: 6 } }
+    ],
+    invalid: [
+        {
+            code: "a+b",
+            output: "a + b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "a +b",
+            output: "a + b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 3,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a+ b",
+            output: "a + b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "+" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "a||b",
+            output: "a || b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 2,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a ||b",
+            output: "a || b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 3,
+                endColumn: 5
+            }]
+        },
+        {
+            code: "a|| b",
+            output: "a || b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 2,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a=b",
+            output: "a = b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 2
+            }]
+        },
+        {
+            code: "a= b",
+            output: "a = b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 2
+            }]
+        },
+        {
+            code: "a =b",
+            output: "a = b",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "AssignmentExpression",
+                line: 1,
+                column: 3
+            }]
+        },
+        {
+            code: "a?b:c",
+            output: "a ? b:c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "a?b : c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "a ? b:c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 6,
+                endColumn: 7
+            }]
+        },
+        {
+            code: "a? b : c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 2,
+                endColumn: 3
+            }]
+        },
+        {
+            code: "a ?b : c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "?" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 3,
+                endColumn: 4
+            }]
+        },
+        {
+            code: "a ? b: c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 6,
+                endColumn: 7
+            }]
+        },
+        {
+            code: "a ? b :c",
+            output: "a ? b : c",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: ":" },
+                type: "ConditionalExpression",
+                line: 1,
+                column: 7,
+                endColumn: 8
+            }]
+        },
+        {
+            code: "var a=b;",
+            output: "var a = b;",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 6
+            }]
+        },
+        {
+            code: "var a= b;",
+            output: "var a = b;",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 6
+            }]
+        },
+        {
+            code: "var a =b;",
+            output: "var a = b;",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 7
+            }]
+        },
+        {
+            code: "var a = b, c=d;",
+            output: "var a = b, c = d;",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 13
+            }]
+        },
+        {
+            code: "a| 0",
+            output: "a | 0",
+            options: [{
+                int32Hint: true
+            }],
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "|" },
+                type: "BinaryExpression",
+                line: 1,
+                column: 2
+            }]
+        },
+        {
+            code: "var output = test || (test && test.value) ||(test2 && test2.value);",
+            output: "var output = test || (test && test.value) || (test2 && test2.value);",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 43
+            }]
+        },
+        {
+            code: "var output = a ||(b && c.value) || (d && e.value);",
+            output: "var output = a || (b && c.value) || (d && e.value);",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 16
+            }]
+        },
+        {
+            code: "var output = a|| (b && c.value) || (d && e.value);",
+            output: "var output = a || (b && c.value) || (d && e.value);",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "||" },
+                type: "LogicalExpression",
+                line: 1,
+                column: 15
+            }]
+        },
+        {
+            code: "const my_object={key: 'value'}",
+            output: "const my_object = {key: 'value'}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 16
+            }]
+        },
+        {
+            code: "var {a=0}=bar;",
+            output: "var {a = 0} = bar;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                line: 1,
+                column: 7,
+                type: "AssignmentPattern"
+            }, {
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                line: 1,
+                column: 10,
+                type: "VariableDeclarator"
+            }]
+        },
+        {
+            code: "function foo(a=0) { }",
+            output: "function foo(a = 0) { }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                line: 1,
+                column: 15,
+                type: "AssignmentPattern"
+            }]
+        },
+        {
+            code: "a**b",
+            output: "a ** b",
+            parserOptions: { ecmaVersion: 7 },
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "**" },
+                line: 1,
+                column: 2,
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "'foo'in{}",
+            output: "'foo' in {}",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "in" },
+                line: 1,
+                column: 6,
+                type: "BinaryExpression"
+            }]
+        },
+        {
+            code: "'foo'instanceof{}",
+            output: "'foo' instanceof {}",
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "instanceof" },
+                line: 1,
+                column: 6,
+                type: "BinaryExpression"
+            }]
+        },
+
+        // Type Annotations
+
+        {
+            code: "var a: Foo= b;",
+            output: "var a: Foo = b;",
+            parser: parser("type-annotations/variable-declaration-init-type-annotation-no-space"),
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                type: "VariableDeclarator",
+                line: 1,
+                column: 11
+            }]
+        },
+        {
+            code: "function foo(a: number=0): Foo { }",
+            output: "function foo(a: number = 0): Foo { }",
+            parser: parser("type-annotations/function-declaration-type-annotation-no-space"),
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingSpace",
+                data: { operator: "=" },
+                line: 1,
+                column: 23,
+                type: "AssignmentPattern"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/space-unary-ops.js b/eslint/tests/lib/rules/space-unary-ops.js
new file mode 100644
index 0000000..c56e013
--- /dev/null
+++ b/eslint/tests/lib/rules/space-unary-ops.js
@@ -0,0 +1,810 @@
+/**
+ * @fileoverview This rule shoud require or disallow spaces before or after unary operations.
+ * @author Marcin Kumorek
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/space-unary-ops"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("space-unary-ops", rule, {
+
+    valid: [
+        {
+            code: "++this.a",
+            options: [{ words: true }]
+        },
+        {
+            code: "--this.a",
+            options: [{ words: true }]
+        },
+        {
+            code: "this.a++",
+            options: [{ words: true }]
+        },
+        {
+            code: "this.a--",
+            options: [{ words: true }]
+        },
+        "foo .bar++",
+        {
+            code: "foo.bar --",
+            options: [{ nonwords: true }]
+        },
+
+        {
+            code: "delete foo.bar",
+            options: [{ words: true }]
+        },
+        {
+            code: "delete foo[\"bar\"]",
+            options: [{ words: true }]
+        },
+        {
+            code: "delete foo.bar",
+            options: [{ words: false }]
+        },
+        {
+            code: "delete(foo.bar)",
+            options: [{ words: false }]
+        },
+
+        {
+            code: "new Foo",
+            options: [{ words: true }]
+        },
+        {
+            code: "new Foo()",
+            options: [{ words: true }]
+        },
+        {
+            code: "new [foo][0]",
+            options: [{ words: true }]
+        },
+        {
+            code: "new[foo][0]",
+            options: [{ words: false }]
+        },
+
+        {
+            code: "typeof foo",
+            options: [{ words: true }]
+        },
+        {
+            code: "typeof{foo:true}",
+            options: [{ words: false }]
+        },
+        {
+            code: "typeof {foo:true}",
+            options: [{ words: true }]
+        },
+        {
+            code: "typeof (foo)",
+            options: [{ words: true }]
+        },
+        {
+            code: "typeof(foo)",
+            options: [{ words: false }]
+        },
+        {
+            code: "typeof!foo",
+            options: [{ words: false }]
+        },
+
+        {
+            code: "void 0",
+            options: [{ words: true }]
+        },
+        {
+            code: "(void 0)",
+            options: [{ words: true }]
+        },
+        {
+            code: "(void (0))",
+            options: [{ words: true }]
+        },
+        {
+            code: "void foo",
+            options: [{ words: true }]
+        },
+        {
+            code: "void foo",
+            options: [{ words: false }]
+        },
+        {
+            code: "void(foo)",
+            options: [{ words: false }]
+        },
+
+        {
+            code: "-1",
+            options: [{ nonwords: false }]
+        },
+        {
+            code: "!foo",
+            options: [{ nonwords: false }]
+        },
+        {
+            code: "!!foo",
+            options: [{ nonwords: false }]
+        },
+        {
+            code: "foo++",
+            options: [{ nonwords: false }]
+        },
+        {
+            code: "foo ++",
+            options: [{ nonwords: true }]
+        },
+        {
+            code: "++foo",
+            options: [{ nonwords: false }]
+        },
+        {
+            code: "++ foo",
+            options: [{ nonwords: true }]
+        },
+        {
+            code: "function *foo () { yield (0) }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { yield +1 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { yield* 0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { yield * 0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { (yield)*0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { (yield) * 0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { yield*0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo() { yield *0 }",
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "async function foo() { await {foo: 1} }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { await {bar: 2} }",
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { await{baz: 3} }",
+            options: [{ words: false }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { await {qux: 4} }",
+            options: [{ words: false, overrides: { await: true } }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "async function foo() { await{foo: 5} }",
+            options: [{ words: true, overrides: { await: false } }],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo++",
+            options: [{ nonwords: true, overrides: { "++": false } }]
+        },
+        {
+            code: "foo++",
+            options: [{ nonwords: false, overrides: { "++": false } }]
+        },
+        {
+            code: "++foo",
+            options: [{ nonwords: true, overrides: { "++": false } }]
+        },
+        {
+            code: "++foo",
+            options: [{ nonwords: false, overrides: { "++": false } }]
+        },
+        {
+            code: "!foo",
+            options: [{ nonwords: true, overrides: { "!": false } }]
+        },
+        {
+            code: "!foo",
+            options: [{ nonwords: false, overrides: { "!": false } }]
+        },
+        {
+            code: "new foo",
+            options: [{ words: true, overrides: { new: false } }]
+        },
+        {
+            code: "new foo",
+            options: [{ words: false, overrides: { new: false } }]
+        },
+        {
+            code: "function *foo () { yield(0) }",
+            options: [{ words: true, overrides: { yield: false } }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "function *foo () { yield(0) }",
+            options: [{ words: false, overrides: { yield: false } }],
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "delete(foo.bar)",
+            output: "delete (foo.bar)",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "delete" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "delete(foo[\"bar\"]);",
+            output: "delete (foo[\"bar\"]);",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "delete" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "delete (foo.bar)",
+            output: "delete(foo.bar)",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "delete" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "new(Foo)",
+            output: "new (Foo)",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "new" },
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "new (Foo)",
+            output: "new(Foo)",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "new" },
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "new(Foo())",
+            output: "new (Foo())",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "new" },
+                type: "NewExpression"
+            }]
+        },
+        {
+            code: "new [foo][0]",
+            output: "new[foo][0]",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "new" },
+                type: "NewExpression"
+            }]
+        },
+
+        {
+            code: "typeof(foo)",
+            output: "typeof (foo)",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof (foo)",
+            output: "typeof(foo)",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof[foo]",
+            output: "typeof [foo]",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof [foo]",
+            output: "typeof[foo]",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof{foo:true}",
+            output: "typeof {foo:true}",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof {foo:true}",
+            output: "typeof{foo:true}",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "typeof!foo",
+            output: "typeof !foo",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "typeof" },
+                type: "UnaryExpression"
+            }]
+        },
+
+        {
+            code: "void(0);",
+            output: "void (0);",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void(foo);",
+            output: "void (foo);",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void[foo];",
+            output: "void [foo];",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void{a:0};",
+            output: "void {a:0};",
+            options: [{ words: true }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void (foo)",
+            output: "void(foo)",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "void [foo]",
+            output: "void[foo]",
+            options: [{ words: false }],
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "void" },
+                type: "UnaryExpression"
+            }]
+        },
+
+        {
+            code: "! foo",
+            output: "!foo",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "!" }
+            }]
+        },
+        {
+            code: "!foo",
+            output: "! foo",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "!" }
+            }]
+        },
+
+        {
+            code: "!! foo",
+            output: "!!foo",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "!" },
+                type: "UnaryExpression",
+                line: 1,
+                column: 2
+            }]
+        },
+        {
+            code: "!!foo",
+            output: "!! foo",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "!" },
+                type: "UnaryExpression",
+                line: 1,
+                column: 2
+            }]
+        },
+
+        {
+            code: "- 1",
+            output: "-1",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "-" },
+                type: "UnaryExpression"
+            }]
+        },
+        {
+            code: "-1",
+            output: "- 1",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "-" },
+                type: "UnaryExpression"
+            }]
+        },
+
+        {
+            code: "foo++",
+            output: "foo ++",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "beforeUnaryExpressions",
+                data: { token: "++" }
+            }]
+        },
+        {
+            code: "foo ++",
+            output: "foo++",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedBefore",
+                data: { operator: "++" }
+            }]
+        },
+        {
+            code: "++ foo",
+            output: "++foo",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "++" }
+            }]
+        },
+        {
+            code: "++foo",
+            output: "++ foo",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "++" }
+            }]
+        },
+        {
+            code: "foo .bar++",
+            output: "foo .bar ++",
+            options: [{ nonwords: true }],
+            errors: [{
+                messageId: "beforeUnaryExpressions",
+                data: { token: "++" }
+            }]
+        },
+        {
+            code: "foo.bar --",
+            output: "foo.bar--",
+            errors: [{
+                messageId: "unexpectedBefore",
+                data: { operator: "--" }
+            }]
+        },
+        {
+            code: "+ +foo",
+            output: null,
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "+" }
+            }]
+        },
+        {
+            code: "+ ++foo",
+            output: null,
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "+" }
+            }]
+        },
+        {
+            code: "- -foo",
+            output: null,
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "-" }
+            }]
+        },
+        {
+            code: "- --foo",
+            output: null,
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "-" }
+            }]
+        },
+        {
+            code: "+ -foo",
+            output: "+-foo",
+            options: [{ nonwords: false }],
+            errors: [{
+                messageId: "unexpectedAfter",
+                data: { operator: "+" }
+            }]
+        },
+        {
+            code: "function *foo() { yield(0) }",
+            output: "function *foo() { yield (0) }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "yield" },
+                type: "YieldExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "function *foo() { yield (0) }",
+            output: "function *foo() { yield(0) }",
+            options: [{ words: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "yield" },
+                type: "YieldExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "function *foo() { yield+0 }",
+            output: "function *foo() { yield +0 }",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "yield" },
+                type: "YieldExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "foo++",
+            output: "foo ++",
+            options: [{ nonwords: true, overrides: { "++": true } }],
+            errors: [{
+                messageId: "beforeUnaryExpressions",
+                data: { token: "++" }
+            }]
+        },
+        {
+            code: "foo++",
+            output: "foo ++",
+            options: [{ nonwords: false, overrides: { "++": true } }],
+            errors: [{
+                messageId: "beforeUnaryExpressions",
+                data: { token: "++" }
+            }]
+        },
+        {
+            code: "++foo",
+            output: "++ foo",
+            options: [{ nonwords: true, overrides: { "++": true } }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "++" }
+            }]
+        },
+        {
+            code: "++foo",
+            output: "++ foo",
+            options: [{ nonwords: false, overrides: { "++": true } }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "++" }
+            }]
+        },
+        {
+            code: "!foo",
+            output: "! foo",
+            options: [{ nonwords: true, overrides: { "!": true } }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "!" }
+            }]
+        },
+        {
+            code: "!foo",
+            output: "! foo",
+            options: [{ nonwords: false, overrides: { "!": true } }],
+            errors: [{
+                messageId: "operator",
+                data: { operator: "!" }
+            }]
+        },
+        {
+            code: "new(Foo)",
+            output: "new (Foo)",
+            options: [{ words: true, overrides: { new: true } }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "new" }
+            }]
+        },
+        {
+            code: "new(Foo)",
+            output: "new (Foo)",
+            options: [{ words: false, overrides: { new: true } }],
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "new" }
+            }]
+        },
+        {
+            code: "function *foo() { yield(0) }",
+            output: "function *foo() { yield (0) }",
+            options: [{ words: true, overrides: { yield: true } }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "yield" },
+                type: "YieldExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "function *foo() { yield(0) }",
+            output: "function *foo() { yield (0) }",
+            options: [{ words: false, overrides: { yield: true } }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "yield" },
+                type: "YieldExpression",
+                line: 1,
+                column: 19
+            }]
+        },
+        {
+            code: "async function foo() { await{foo: 'bar'} }",
+            output: "async function foo() { await {foo: 'bar'} }",
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "await" },
+                type: "AwaitExpression",
+                line: 1,
+                column: 24
+            }]
+        },
+        {
+            code: "async function foo() { await{baz: 'qux'} }",
+            output: "async function foo() { await {baz: 'qux'} }",
+            options: [{ words: false, overrides: { await: true } }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "wordOperator",
+                data: { word: "await" },
+                type: "AwaitExpression",
+                line: 1,
+                column: 24
+            }]
+        },
+        {
+            code: "async function foo() { await {foo: 1} }",
+            output: "async function foo() { await{foo: 1} }",
+            options: [{ words: false }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "await" },
+                type: "AwaitExpression",
+                line: 1,
+                column: 24
+            }]
+        },
+        {
+            code: "async function foo() { await {bar: 2} }",
+            output: "async function foo() { await{bar: 2} }",
+            options: [{ words: true, overrides: { await: false } }],
+            parserOptions: { ecmaVersion: 8 },
+            errors: [{
+                messageId: "unexpectedAfterWord",
+                data: { word: "await" },
+                type: "AwaitExpression",
+                line: 1,
+                column: 24
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/spaced-comment.js b/eslint/tests/lib/rules/spaced-comment.js
new file mode 100644
index 0000000..5d3d68f
--- /dev/null
+++ b/eslint/tests/lib/rules/spaced-comment.js
@@ -0,0 +1,706 @@
+/**
+ * @fileoverview Test for spaced-comments
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+const rule = require("../../../lib/rules/spaced-comment"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester(),
+    validShebangProgram = "#!/path/to/node\nvar a = 3;";
+
+ruleTester.run("spaced-comment", rule, {
+
+    valid: [
+        {
+            code: "// A valid comment starting with space\nvar a = 1;",
+            options: ["always"]
+        },
+        {
+            code: "//   A valid comment starting with tab\nvar a = 1;",
+            options: ["always"]
+        },
+        {
+            code: "//A valid comment NOT starting with space\nvar a = 2;",
+            options: ["never"]
+        },
+
+        // exceptions - line comments
+        {
+            code: "//-----------------------\n// A comment\n//-----------------------",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }]
+        },
+        {
+            code: "//-----------------------\n// A comment\n//-----------------------",
+            options: ["always", {
+                line: { exceptions: ["-", "=", "*", "#", "!@#"] }
+            }]
+        },
+        {
+            code: "//===========\n// A comment\n//*************",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }]
+        },
+        {
+            code: "//######\n// A comment",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }]
+        },
+        {
+            code: "//!@#!@#!@#\n// A comment\n//!@#",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }]
+        },
+
+        // exceptions - block comments
+        {
+            code: "var a = 1; /*######*/",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }]
+        },
+        {
+            code: "var a = 1; /*######*/",
+            options: ["always", {
+                block: { exceptions: ["-", "=", "*", "#", "!@#"] }
+            }]
+        },
+        {
+            code: "/*****************\n * A comment\n *****************/",
+            options: ["always", {
+                exceptions: ["*"]
+            }]
+        },
+        {
+            code: "/*++++++++++++++\n * A comment\n +++++++++++++++++*/",
+            options: ["always", {
+                exceptions: ["+"]
+            }]
+        },
+        {
+            code: "/*++++++++++++++\n + A comment\n * B comment\n - C comment\n----------------*/",
+            options: ["always", {
+                exceptions: ["+", "-"]
+            }]
+        },
+
+        // markers - line comments
+        {
+            code: "//!< docblock style comment",
+            options: ["always", {
+                markers: ["/", "!<"]
+            }]
+        },
+        {
+            code: "//!< docblock style comment",
+            options: ["always", {
+                line: { markers: ["/", "!<"] }
+            }]
+        },
+        {
+            code: "//----\n// a comment\n//----\n/// xmldoc style comment\n//!< docblock style comment",
+            options: ["always", {
+                exceptions: ["-"],
+                markers: ["/", "!<"]
+            }]
+        },
+        {
+            code: "/*\u2028x*/",
+            options: ["always", {
+                markers: ["/", "!<"]
+            }]
+        },
+        {
+            code: "///xmldoc style comment",
+            options: ["never", {
+                markers: ["/", "!<"]
+            }]
+        },
+
+        // markers - block comments
+        {
+            code: "var a = 1; /*# This is an example of a marker in a block comment\nsubsequent lines do not count*/",
+            options: ["always", {
+                markers: ["#"]
+            }]
+        },
+        {
+            code: "/*!\n *comment\n */",
+            options: ["always", { markers: ["!"] }]
+        },
+        {
+            code: "/*!\n *comment\n */",
+            options: ["always", { block: { markers: ["!"] } }]
+        },
+        {
+            code: "/**\n *jsdoc\n */",
+            options: ["always", { markers: ["*"] }]
+        },
+        {
+            code: "/*global ABC*/",
+            options: ["always", { markers: ["global"] }]
+        },
+        {
+            code: "/*eslint-env node*/",
+            options: ["always", { markers: ["eslint-env"] }]
+        },
+        {
+            code: "/*eslint eqeqeq:0, curly: 2*/",
+            options: ["always", { markers: ["eslint"] }]
+        },
+        {
+            code: "/*eslint-disable no-alert, no-console */\nalert()\nconsole.log()\n/*eslint-enable no-alert */",
+            options: ["always", { markers: ["eslint-enable", "eslint-disable"] }]
+        },
+
+        // misc. variations
+        {
+            code: validShebangProgram,
+            options: ["always"]
+        },
+        {
+            code: validShebangProgram,
+            options: ["never"]
+        },
+        {
+            code: "//",
+            options: ["always"]
+        },
+        {
+            code: "//\n",
+            options: ["always"]
+        },
+        {
+            code: "// space only at start; valid since balanced doesn't apply to line comments",
+            options: ["always", { block: { balanced: true } }]
+        },
+        {
+            code: "//space only at end; valid since balanced doesn't apply to line comments ",
+            options: ["never", { block: { balanced: true } }]
+        },
+
+        // block comments
+        {
+            code: "var a = 1; /* A valid comment starting with space */",
+            options: ["always"]
+        },
+        {
+            code: "var a = 1; /*A valid comment NOT starting with space */",
+            options: ["never"]
+        },
+        {
+            code: "function foo(/* height */a) { \n }",
+            options: ["always"]
+        },
+        {
+            code: "function foo(/*height */a) { \n }",
+            options: ["never"]
+        },
+        {
+            code: "function foo(a/* height */) { \n }",
+            options: ["always"]
+        },
+        {
+            code: "/*\n * Test\n */",
+            options: ["always"]
+        },
+        {
+            code: "/*\n *Test\n */",
+            options: ["never"]
+        },
+        {
+            code: "/*     \n *Test\n */",
+            options: ["always"]
+        },
+        {
+            code: "/*\r\n *Test\r\n */",
+            options: ["never"]
+        },
+        {
+            code: "/*     \r\n *Test\r\n */",
+            options: ["always"]
+        },
+        {
+            code: "/**\n *jsdoc\n */",
+            options: ["always"]
+        },
+        {
+            code: "/**\r\n *jsdoc\r\n */",
+            options: ["always"]
+        },
+        {
+            code: "/**\n *jsdoc\n */",
+            options: ["never"]
+        },
+        {
+            code: "/**   \n *jsdoc \n */",
+            options: ["always"]
+        },
+
+        // balanced block comments
+        {
+            code: "var a = 1; /* comment */",
+            options: ["always", { block: { balanced: true } }]
+        },
+        {
+            code: "var a = 1; /*comment*/",
+            options: ["never", { block: { balanced: true } }]
+        },
+        {
+            code: "function foo(/* height */a) { \n }",
+            options: ["always", { block: { balanced: true } }]
+        },
+        {
+            code: "function foo(/*height*/a) { \n }",
+            options: ["never", { block: { balanced: true } }]
+        },
+        {
+            code: "var a = 1; /*######*/",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"],
+                block: { balanced: true }
+            }]
+        },
+        {
+            code: "/*****************\n * A comment\n *****************/",
+            options: ["always", {
+                exceptions: ["*"],
+                block: { balanced: true }
+            }]
+        },
+        {
+            code: "/*! comment */",
+            options: ["always", { markers: ["!"], block: { balanced: true } }]
+        },
+        {
+            code: "/*!comment*/",
+            options: ["never", { markers: ["!"], block: { balanced: true } }]
+        },
+        {
+            code: "/*!\n *comment\n */",
+            options: ["always", { markers: ["!"], block: { balanced: true } }]
+        },
+        {
+            code: "/*global ABC */",
+            options: ["always", { markers: ["global"], block: { balanced: true } }]
+        },
+
+        // markers & exceptions
+        {
+            code: "///--------\r\n/// test\r\n///--------",
+            options: ["always", { markers: ["/"], exceptions: ["-"] }]
+        },
+        {
+            code: "///--------\r\n/// test\r\n///--------\r\n/* blah */",
+            options: ["always", { markers: ["/"], exceptions: ["-"], block: { markers: [] } }]
+        },
+        {
+            code: "/***\u2028*/",
+            options: ["always", { exceptions: ["*"] }]
+        },
+
+        // ignore marker-only comments, https://github.com/eslint/eslint/issues/12036
+        {
+            code: "//#endregion",
+            options: ["always", { line: { markers: ["#endregion"] } }]
+        },
+        {
+            code: "/*foo*/",
+            options: ["always", { block: { markers: ["foo"] } }]
+        },
+        {
+            code: "/*foo*/",
+            options: ["always", { block: { markers: ["foo"], balanced: true } }]
+        },
+        {
+            code: "/*foo*/ /*bar*/",
+            options: ["always", { markers: ["foo", "bar"] }]
+        },
+        {
+            code: "//foo\n//bar",
+            options: ["always", { markers: ["foo", "bar"] }]
+        },
+        {
+            code: "/* foo */",
+            options: ["never", { markers: [" foo "] }]
+        },
+        {
+            code: "// foo ",
+            options: ["never", { markers: [" foo "] }]
+        },
+        {
+            code: "//*", // "*" is a marker by default
+            options: ["always"]
+        },
+        {
+            code: "/***/", // "*" is a marker by default
+            options: ["always"]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "//An invalid comment NOT starting with space\nvar a = 1;",
+            output: "// An invalid comment NOT starting with space\nvar a = 1;",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "//" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "// An invalid comment starting with space\nvar a = 2;",
+            output: "//An invalid comment starting with space\nvar a = 2;",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: { refChar: "//" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "//   An invalid comment starting with tab\nvar a = 2;",
+            output: "//An invalid comment starting with tab\nvar a = 2;",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: { refChar: "//" },
+                type: "Line"
+            }]
+        },
+        {
+
+            /*
+             * note that the first line in the comment is not a valid exception
+             * block pattern because of the minus sign at the end of the line:
+             * `//*********************-`
+             */
+            code: "//*********************-\n// Comment Block 3\n//***********************",
+            output: "//* ********************-\n// Comment Block 3\n//***********************",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }],
+            errors: [{
+                messageId: "expectedExceptionAfter",
+                data: { refChar: "//*" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "//-=-=-=-=-=-=\n// A comment\n//-=-=-=-=-=-=",
+            output: "// -=-=-=-=-=-=\n// A comment\n// -=-=-=-=-=-=",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "#", "!@#"]
+            }],
+            errors: [
+                {
+                    messageId: "expectedExceptionAfter",
+                    data: { refChar: "//" },
+                    type: "Line"
+                },
+                {
+                    messageId: "expectedExceptionAfter",
+                    data: { refChar: "//" },
+                    type: "Line"
+                }
+            ]
+        },
+        {
+            code: "//!<docblock style comment",
+            output: "//!< docblock style comment",
+            options: ["always", {
+                markers: ["/", "!<"]
+            }],
+            errors: 1
+        },
+        {
+            code: "//!< docblock style comment",
+            output: "//!<docblock style comment",
+            options: ["never", {
+                markers: ["/", "!<"]
+            }],
+            errors: 1
+        },
+        {
+            code: "var a = 1; /* A valid comment starting with space */",
+            output: "var a = 1; /*A valid comment starting with space */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var a = 1; /*######*/",
+            output: "var a = 1; /* ######*/",
+            options: ["always", {
+                exceptions: ["-", "=", "*", "!@#"]
+            }],
+            errors: [{
+                messageId: "expectedExceptionAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var a = 1; /*A valid comment NOT starting with space */",
+            output: "var a = 1; /* A valid comment NOT starting with space */",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "function foo(/* height */a) { \n }",
+            output: "function foo(/*height */a) { \n }",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "function foo(/*height */a) { \n }",
+            output: "function foo(/* height */a) { \n }",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "function foo(a/*height */) { \n }",
+            output: "function foo(a/* height */) { \n }",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/*     \n *Test\n */",
+            output: "/*\n *Test\n */",
+            options: ["never"],
+            errors: [{
+                messageId: "unexpectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "//-----------------------\n// A comment\n//-----------------------",
+            output: "// -----------------------\n// A comment\n// -----------------------",
+            options: ["always", {
+                block: { exceptions: ["-", "=", "*", "#", "!@#"] }
+            }],
+            errors: [
+                { messageId: "expectedSpaceAfter", data: { refChar: "//" }, type: "Line" },
+                { messageId: "expectedSpaceAfter", data: { refChar: "//" }, type: "Line" }
+            ]
+        },
+        {
+            code: "var a = 1; /*######*/",
+            output: "var a = 1; /* ######*/",
+            options: ["always", {
+                line: { exceptions: ["-", "=", "*", "#", "!@#"] }
+            }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "//!< docblock style comment",
+            output: "// !< docblock style comment",
+            options: ["always", {
+                block: { markers: ["/", "!<"] }
+            }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "//" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "/*!\n *comment\n */",
+            output: "/* !\n *comment\n */",
+            options: ["always", { line: { markers: ["!"] } }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "///--------\r\n/// test\r\n///--------\r\n/*/ blah *//*-----*/",
+            output: "///--------\r\n/// test\r\n///--------\r\n/* / blah *//*-----*/",
+            options: ["always", { markers: ["/"], exceptions: ["-"], block: { markers: [] } }],
+            errors: [{
+                messageId: "expectedExceptionAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "///--------\r\n/// test\r\n///--------\r\n/*/ blah */ /*-----*/",
+            output: "///--------\r\n/// test\r\n///--------\r\n/* / blah */ /* -----*/",
+            options: ["always", { line: { markers: ["/"], exceptions: ["-"] } }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block",
+                line: 4,
+                column: 1
+            }, {
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block",
+                line: 4,
+                column: 13
+            }]
+        },
+
+        // balanced block comments
+        {
+            code: "var a = 1; /* A balanced comment starting with space*/",
+            output: "var a = 1; /* A balanced comment starting with space */",
+            options: ["always", { block: { balanced: true } }],
+            errors: [{
+                messageId: "expectedSpaceBefore",
+                data: { refChar: "/**" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "var a = 1; /*A balanced comment NOT starting with space */",
+            output: "var a = 1; /*A balanced comment NOT starting with space*/",
+            options: ["never", { block: { balanced: true } }],
+            errors: [{
+                messageId: "unexpectedSpaceBefore",
+                data: { refChar: "*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "function foo(/* height*/a) { \n }",
+            output: "function foo(/* height */a) { \n }",
+            options: ["always", { block: { balanced: true } }],
+            errors: [{
+                messageId: "expectedSpaceBefore",
+                data: { refChar: "/**" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "function foo(/*height */a) { \n }",
+            output: "function foo(/*height*/a) { \n }",
+            options: ["never", { block: { balanced: true } }],
+            errors: [{
+                messageId: "unexpectedSpaceBefore",
+                data: { refChar: "*/" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/*! comment*/",
+            output: "/*! comment */",
+            options: ["always", { markers: ["!"], block: { balanced: true } }],
+            errors: [{
+                messageId: "expectedSpaceBefore",
+                data: { refChar: "/**" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/*!comment */",
+            output: "/*!comment*/",
+            options: ["never", { markers: ["!"], block: { balanced: true } }],
+            errors: [{
+                messageId: "unexpectedSpaceBefore",
+                data: { refChar: "*/" },
+                type: "Block"
+            }]
+        },
+
+        // not a marker-only comment, regression tests for https://github.com/eslint/eslint/issues/12036
+        {
+            code: "//#endregionfoo",
+            output: "//#endregion foo",
+            options: ["always", { line: { markers: ["#endregion"] } }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "//#endregion" },
+                type: "Line"
+            }]
+        },
+        {
+            code: "/*#endregion*/",
+            output: "/* #endregion*/", // not an allowed marker for block comments
+            options: ["always", { line: { markers: ["#endregion"] } }],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/*" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/****/",
+            output: "/** **/",
+            options: ["always"],
+            errors: [{
+                messageId: "expectedSpaceAfter",
+                data: { refChar: "/**" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/****/",
+            output: "/** * */",
+            options: ["always", { block: { balanced: true } }],
+            errors: [
+                {
+                    messageId: "expectedSpaceAfter",
+                    data: { refChar: "/**" },
+                    type: "Block"
+                },
+                {
+                    messageId: "expectedSpaceBefore",
+                    data: { refChar: "*/" },
+                    type: "Block"
+                }
+            ]
+        },
+        {
+            code: "/* foo */",
+            output: "/*foo*/",
+            options: ["never", { block: { markers: ["foo"], balanced: true } }], // not " foo "
+            errors: [
+                {
+                    messageId: "unexpectedSpaceAfter",
+                    data: { refChar: "/*" },
+                    type: "Block"
+                },
+                {
+                    messageId: "unexpectedSpaceBefore",
+                    data: { refChar: "*/" },
+                    type: "Block"
+                }
+            ]
+        }
+    ]
+
+});
diff --git a/eslint/tests/lib/rules/strict.js b/eslint/tests/lib/rules/strict.js
new file mode 100644
index 0000000..92abffd
--- /dev/null
+++ b/eslint/tests/lib/rules/strict.js
@@ -0,0 +1,578 @@
+/**
+ * @fileoverview Tests for strict rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/strict"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("strict", rule, {
+    valid: [
+
+        // "never" mode
+        { code: "foo();", options: ["never"] },
+        { code: "function foo() { return; }", options: ["never"] },
+        { code: "var foo = function() { return; };", options: ["never"] },
+        { code: "foo(); 'use strict';", options: ["never"] },
+        { code: "function foo() { bar(); 'use strict'; return; }", options: ["never"] },
+        { code: "var foo = function() { { 'use strict'; } return; };", options: ["never"] },
+        { code: "(function() { bar('use strict'); return; }());", options: ["never"] },
+        { code: "var fn = x => 1;", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var fn = x => { return; };", options: ["never"], parserOptions: { ecmaVersion: 6 } },
+        { code: "foo();", options: ["never"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { return; }", options: ["never"], parserOptions: { ecmaFeatures: { impliedStrict: true } } },
+
+        // "global" mode
+        { code: "// Intentionally empty", options: ["global"] },
+        { code: "\"use strict\"; foo();", options: ["global"] },
+        { code: "foo();", options: ["global"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { return; }", options: ["global"], parserOptions: { ecmaFeatures: { impliedStrict: true } } },
+        { code: "'use strict'; function foo() { return; }", options: ["global"] },
+        { code: "'use strict'; var foo = function() { return; };", options: ["global"] },
+        { code: "'use strict'; function foo() { bar(); 'use strict'; return; }", options: ["global"] },
+        { code: "'use strict'; var foo = function() { bar(); 'use strict'; return; };", options: ["global"] },
+        { code: "'use strict'; function foo() { return function() { bar(); 'use strict'; return; }; }", options: ["global"] },
+        { code: "'use strict'; var foo = () => { return () => { bar(); 'use strict'; return; }; }", options: ["global"], parserOptions: { ecmaVersion: 6 } },
+
+        // "function" mode
+        { code: "function foo() { 'use strict'; return; }", options: ["function"] },
+        { code: "function foo() { return; }", options: ["function"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { return; }", options: ["function"], parserOptions: { ecmaFeatures: { impliedStrict: true } } },
+        { code: "var foo = function() { return; }", options: ["function"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "var foo = function() { 'use strict'; return; }", options: ["function"] },
+        { code: "function foo() { 'use strict'; return; } var bar = function() { 'use strict'; bar(); };", options: ["function"] },
+        { code: "var foo = function() { 'use strict'; function bar() { return; } bar(); };", options: ["function"] },
+        { code: "var foo = () => { 'use strict'; var bar = () => 1; bar(); };", options: ["function"], parserOptions: { ecmaVersion: 6 } },
+        { code: "var foo = () => { var bar = () => 1; bar(); };", options: ["function"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        {
+            code: "class A { constructor() { } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { foo() { } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "class A { foo() { function bar() { } } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "(function() { 'use strict'; function foo(a = 0) { } }())",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+
+        // "safe" mode corresponds to "global" if ecmaFeatures.globalReturn is true, otherwise "function"
+        { code: "function foo() { 'use strict'; return; }", options: ["safe"] },
+        { code: "'use strict'; function foo() { return; }", options: ["safe"], parserOptions: { ecmaFeatures: { globalReturn: true } } },
+        { code: "function foo() { return; }", options: ["safe"], parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { return; }", options: ["safe"], parserOptions: { ecmaFeatures: { impliedStrict: true } } },
+
+        // defaults to "safe" mode
+        "function foo() { 'use strict'; return; }",
+        { code: "'use strict'; function foo() { return; }", parserOptions: { ecmaFeatures: { globalReturn: true } } },
+        { code: "function foo() { return; }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "function foo() { return; }", parserOptions: { ecmaFeatures: { impliedStrict: true } } }
+
+    ],
+    invalid: [
+
+        // "never" mode
+        {
+            code: "\"use strict\"; foo();",
+            output: null,
+            options: ["never"],
+            errors: [
+                { messageId: "never", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "function foo() { 'use strict'; return; }",
+            output: null,
+            options: ["never"],
+            errors: [
+                { messageId: "never", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = function() { 'use strict'; return; };",
+            output: null,
+            options: ["never"],
+            errors: [
+                { messageId: "never", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "function foo() { return function() { 'use strict'; return; }; }",
+            output: null,
+            options: ["never"],
+            errors: [
+                { messageId: "never", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { \"use strict\"; return; }",
+            output: null,
+            options: ["never"],
+            errors: [
+                { messageId: "never", type: "ExpressionStatement" },
+                { messageId: "never", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "\"use strict\"; foo();",
+            output: " foo();",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["never"],
+            parserOptions: { ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "implied", type: "ExpressionStatement" },
+                { messageId: "implied", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module", ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" },
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        },
+
+        // "global" mode
+        {
+            code: "foo();",
+            output: null,
+            options: ["global"],
+            errors: [
+                { messageId: "global", type: "Program" }
+            ]
+        }, {
+            code: "function foo() { 'use strict'; return; }",
+            output: null,
+            options: ["global"],
+            errors: [
+                { messageId: "global", type: "Program" },
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = function() { 'use strict'; return; }",
+            output: null,
+            options: ["global"],
+            errors: [
+                { messageId: "global", type: "Program" },
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = () => { 'use strict'; return () => 1; }",
+            output: null,
+            options: ["global"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "global", type: "Program" },
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: null,
+            options: ["global"],
+            errors: [
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; var foo = function() { 'use strict'; return; };",
+            output: null,
+            options: ["global"],
+            errors: [
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; 'use strict'; foo();",
+            output: "'use strict';  foo();",
+            options: ["global"],
+            errors: [
+                { messageId: "multiple", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; foo();",
+            output: " foo();",
+            options: ["global"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["global"],
+            parserOptions: { ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "implied", type: "ExpressionStatement" },
+                { messageId: "implied", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["global"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module", ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" },
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        },
+
+        // "function" mode
+        {
+            code: "'use strict'; foo();",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; (function() { 'use strict'; return true; }());",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "(function() { 'use strict'; function f() { 'use strict'; return } return true; }());",
+            output: "(function() { 'use strict'; function f() {  return } return true; }());",
+            options: ["function"],
+            errors: [
+                { messageId: "unnecessary", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "(function() { return true; }());",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionExpression" }
+            ]
+        }, {
+            code: "(() => { return true; })();",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "function", type: "ArrowFunctionExpression" }
+            ]
+        }, {
+            code: "(() => true)();",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                { messageId: "function", type: "ArrowFunctionExpression" }
+            ]
+        }, {
+            code: "var foo = function() { foo(); 'use strict'; return; }; function bar() { foo(); 'use strict'; }",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionExpression" },
+                { messageId: "function", type: "FunctionDeclaration" }
+            ]
+        }, {
+            code: "function foo() { 'use strict'; 'use strict'; return; }",
+            output: "function foo() { 'use strict';  return; }",
+            options: ["function"],
+            errors: [
+                { messageId: "multiple", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = function() { 'use strict'; 'use strict'; return; }",
+            output: "var foo = function() { 'use strict';  return; }",
+            options: ["function"],
+            errors: [
+                { messageId: "multiple", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = function() {  'use strict'; return; }",
+            output: "var foo = function() {   return; }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["function"],
+            parserOptions: { ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "implied", type: "ExpressionStatement" },
+                { messageId: "implied", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module", ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" },
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "function foo() { return function() { 'use strict'; return; }; }",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionDeclaration" }
+            ]
+        }, {
+            code: "var foo = function() { function bar() { 'use strict'; return; } return; }",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionExpression" }
+            ]
+        }, {
+            code: "function foo() { 'use strict'; return; } var bar = function() { return; };",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionExpression" }
+            ]
+        }, {
+            code: "var foo = function() { 'use strict'; return; }; function bar() { return; };",
+            output: null,
+            options: ["function"],
+            errors: [
+                { messageId: "function", type: "FunctionDeclaration" }
+            ]
+        }, {
+            code: "function foo() { 'use strict'; return function() { 'use strict'; 'use strict'; return; }; }",
+            output: "function foo() { 'use strict'; return function() {   return; }; }",
+            options: ["function"],
+            errors: [
+                { messageId: "unnecessary", type: "ExpressionStatement" },
+                { messageId: "multiple", type: "ExpressionStatement" }
+            ]
+        }, {
+            code: "var foo = function() { 'use strict'; function bar() { 'use strict'; 'use strict'; return; } }",
+            output: "var foo = function() { 'use strict'; function bar() {   return; } }",
+            options: ["function"],
+            errors: [
+                { messageId: "unnecessary", type: "ExpressionStatement" },
+                { messageId: "multiple", type: "ExpressionStatement" }
+            ]
+        },
+        {
+            code: "var foo = () => { return; };",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "function", type: "ArrowFunctionExpression" }]
+        },
+
+        // Classes
+        {
+            code: "class A { constructor() { \"use strict\"; } }",
+            output: "class A { constructor() {  } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryInClasses", type: "ExpressionStatement" }]
+        },
+        {
+            code: "class A { foo() { \"use strict\"; } }",
+            output: "class A { foo() {  } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryInClasses", type: "ExpressionStatement" }]
+        },
+        {
+            code: "class A { foo() { function bar() { \"use strict\"; } } }",
+            output: "class A { foo() { function bar() {  } } }",
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "unnecessaryInClasses", type: "ExpressionStatement" }]
+        },
+
+
+        // "safe" mode corresponds to "global" if ecmaFeatures.globalReturn is true, otherwise "function"
+        {
+            code: "'use strict'; function foo() { return; }",
+            output: null,
+            options: ["safe"],
+            errors: [
+                { messageId: "function", type: "ExpressionStatement" },
+                { messageId: "function", type: "FunctionDeclaration" }
+            ]
+        },
+        {
+            code: "function foo() { 'use strict'; return; }",
+            output: null,
+            options: ["safe"],
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "global", type: "Program" },
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["safe"],
+            parserOptions: { ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "implied", type: "ExpressionStatement" },
+                { messageId: "implied", type: "ExpressionStatement" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            options: ["safe"],
+            parserOptions: { ecmaVersion: 6, sourceType: "module", ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" },
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        },
+
+        // Default to "safe" mode
+        {
+            code: "'use strict'; function foo() { return; }",
+            output: null,
+            errors: [
+                { messageId: "function", type: "ExpressionStatement" },
+                { messageId: "function", type: "FunctionDeclaration" }
+            ]
+        },
+        {
+            code: "function foo() { return; }",
+            output: null,
+            errors: [{ messageId: "function", type: "FunctionDeclaration" }]
+        },
+        {
+            code: "function foo() { 'use strict'; return; }",
+            output: null,
+            parserOptions: { ecmaFeatures: { globalReturn: true } },
+            errors: [
+                { messageId: "global", type: "Program" },
+                { messageId: "global", type: "ExpressionStatement" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            parserOptions: { ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "implied", type: "ExpressionStatement" },
+                { messageId: "implied", type: "ExpressionStatement" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo() { 'use strict'; return; }",
+            output: " function foo() {  return; }",
+            parserOptions: { ecmaVersion: 6, sourceType: "module", ecmaFeatures: { impliedStrict: true } },
+            errors: [
+                { messageId: "module", type: "ExpressionStatement" },
+                { messageId: "module", type: "ExpressionStatement" }
+            ]
+        },
+
+        // Reports deprecated syntax: https://github.com/eslint/eslint/issues/6405
+        {
+            code: "function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: [],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "(function() { 'use strict'; function foo(a = 0) { 'use strict' } }())",
+            output: null,
+            options: [],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: [],
+            parserOptions: { ecmaVersion: 6, ecmaFeatures: { globalReturn: true } },
+            errors: [
+                "Use the global form of 'use strict'.",
+                { messageId: "nonSimpleParameterList" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: [],
+            parserOptions: { ecmaVersion: 6, ecmaFeatures: { globalReturn: true } },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: ["never"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: ["global"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [
+                "Use the global form of 'use strict'.",
+                { messageId: "nonSimpleParameterList" }
+            ]
+        },
+        {
+            code: "'use strict'; function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: ["global"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "function foo(a = 0) { 'use strict' }",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "(function() { 'use strict'; function foo(a = 0) { 'use strict' } }())",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "nonSimpleParameterList" }]
+        },
+        {
+            code: "function foo(a = 0) { }",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "wrap", data: { name: "function 'foo'" } }]
+        },
+        {
+            code: "(function() { function foo(a = 0) { } }())",
+            output: null,
+            options: ["function"],
+            parserOptions: { ecmaVersion: 6 },
+            errors: ["Use the function form of 'use strict'."]
+        }
+
+    ]
+});
diff --git a/eslint/tests/lib/rules/switch-colon-spacing.js b/eslint/tests/lib/rules/switch-colon-spacing.js
new file mode 100644
index 0000000..8ceb3bd
--- /dev/null
+++ b/eslint/tests/lib/rules/switch-colon-spacing.js
@@ -0,0 +1,176 @@
+/**
+ * @fileoverview Tests for switch-colon-spacing rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/switch-colon-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const expectedBeforeError = { messageId: "expectedBefore" };
+const expectedAfterError = { messageId: "expectedAfter" };
+const unexpectedBeforeError = { messageId: "unexpectedBefore" };
+const unexpectedAfterError = { messageId: "unexpectedAfter" };
+
+ruleTester.run("switch-colon-spacing", rule, {
+    valid: [
+        "switch(a){}",
+        "({foo:1,bar : 2});",
+        "A:foo(); B : foo();",
+        "switch(a){case 0: break;}",
+        "switch(a){case 0:}",
+        "switch(a){case 0\n:\nbreak;}",
+        "switch(a){default: break;}",
+        "switch(a){default:}",
+        "switch(a){default\n:\nbreak;}",
+        { code: "switch(a){case 0:break;}", options: [{ before: false, after: false }] },
+        { code: "switch(a){case 0:}", options: [{ before: false, after: false }] },
+        { code: "switch(a){case 0\n:\nbreak;}", options: [{ before: false, after: false }] },
+        { code: "switch(a){default:break;}", options: [{ before: false, after: false }] },
+        { code: "switch(a){default:}", options: [{ before: false, after: false }] },
+        { code: "switch(a){default\n:\nbreak;}", options: [{ before: false, after: false }] },
+        { code: "switch(a){case 0: break;}", options: [{ before: false, after: true }] },
+        { code: "switch(a){case 0:}", options: [{ before: false, after: true }] },
+        { code: "switch(a){case 0\n:\nbreak;}", options: [{ before: false, after: true }] },
+        { code: "switch(a){default: break;}", options: [{ before: false, after: true }] },
+        { code: "switch(a){default:}", options: [{ before: false, after: true }] },
+        { code: "switch(a){default\n:\nbreak;}", options: [{ before: false, after: true }] },
+        { code: "switch(a){case 0 :break;}", options: [{ before: true, after: false }] },
+        { code: "switch(a){case 0 :}", options: [{ before: true, after: false }] },
+        { code: "switch(a){case 0\n:\nbreak;}", options: [{ before: true, after: false }] },
+        { code: "switch(a){default :break;}", options: [{ before: true, after: false }] },
+        { code: "switch(a){default :}", options: [{ before: true, after: false }] },
+        { code: "switch(a){default\n:\nbreak;}", options: [{ before: true, after: false }] },
+        { code: "switch(a){case 0 : break;}", options: [{ before: true, after: true }] },
+        { code: "switch(a){case 0 :}", options: [{ before: true, after: true }] },
+        { code: "switch(a){case 0\n:\nbreak;}", options: [{ before: true, after: true }] },
+        { code: "switch(a){default : break;}", options: [{ before: true, after: true }] },
+        { code: "switch(a){default :}", options: [{ before: true, after: true }] },
+        { code: "switch(a){default\n:\nbreak;}", options: [{ before: true, after: true }] }
+    ],
+    invalid: [
+        {
+            code: "switch(a){case 0 :break;}",
+            output: "switch(a){case 0: break;}",
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){default :break;}",
+            output: "switch(a){default: break;}",
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0 : break;}",
+            output: "switch(a){case 0:break;}",
+            options: [{ before: false, after: false }],
+            errors: [
+                unexpectedBeforeError,
+                unexpectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){default : break;}",
+            output: "switch(a){default:break;}",
+            options: [{ before: false, after: false }],
+            errors: [
+                unexpectedBeforeError,
+                unexpectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0 :break;}",
+            output: "switch(a){case 0: break;}",
+            options: [{ before: false, after: true }],
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){default :break;}",
+            output: "switch(a){default: break;}",
+            options: [{ before: false, after: true }],
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0: break;}",
+            output: "switch(a){case 0 :break;}",
+            options: [{ before: true, after: false }],
+            errors: [
+                expectedBeforeError,
+                unexpectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){default: break;}",
+            output: "switch(a){default :break;}",
+            options: [{ before: true, after: false }],
+            errors: [
+                expectedBeforeError,
+                unexpectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0:break;}",
+            output: "switch(a){case 0 : break;}",
+            options: [{ before: true, after: true }],
+            errors: [
+                expectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){default:break;}",
+            output: "switch(a){default : break;}",
+            options: [{ before: true, after: true }],
+            errors: [
+                expectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0 /**/ :break;}",
+            output: "switch(a){case 0 /**/ : break;}",
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case 0 :/**/break;}",
+            output: "switch(a){case 0:/**/break;}",
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        },
+        {
+            code: "switch(a){case (0) :break;}",
+            output: "switch(a){case (0): break;}",
+            errors: [
+                unexpectedBeforeError,
+                expectedAfterError
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/symbol-description.js b/eslint/tests/lib/rules/symbol-description.js
new file mode 100644
index 0000000..36391fc
--- /dev/null
+++ b/eslint/tests/lib/rules/symbol-description.js
@@ -0,0 +1,48 @@
+/**
+ * @fileoverview Tests for symbol-description rule.
+ * @author Jarek Rencz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/symbol-description");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+const ruleTester = new RuleTester({ env: { es6: true } });
+
+ruleTester.run("symbol-description", rule, {
+
+    valid: [
+        "Symbol(\"Foo\");",
+        "var foo = \"foo\"; Symbol(foo);",
+
+        // Ignore if it's shadowed.
+        "var Symbol = function () {}; Symbol();",
+        "Symbol(); var Symbol = function () {};",
+        "function bar() { var Symbol = function () {}; Symbol(); }",
+
+        // Ignore if it's an argument.
+        "function bar(Symbol) { Symbol(); }"
+    ],
+
+    invalid: [
+        {
+            code: "Symbol();",
+            errors: [{
+                messageId: "expected",
+                type: "CallExpression"
+            }]
+        },
+        {
+            code: "Symbol(); Symbol = function () {};",
+            errors: [{
+                messageId: "expected",
+                type: "CallExpression"
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/template-curly-spacing.js b/eslint/tests/lib/rules/template-curly-spacing.js
new file mode 100644
index 0000000..ac672a5
--- /dev/null
+++ b/eslint/tests/lib/rules/template-curly-spacing.js
@@ -0,0 +1,354 @@
+/**
+ * @fileoverview Tests for template-curly-spacing rule.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/template-curly-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+ruleTester.run("template-curly-spacing", rule, {
+    valid: [
+        "{ foo }",
+        "`${foo} ${bar}`",
+        { code: "`${foo} ${bar} ${\n  baz\n}`", options: ["never"] },
+        { code: "`${ foo } ${ bar } ${\n  baz\n}`", options: ["always"] },
+        "tag`${foo} ${bar}`",
+        { code: "tag`${foo} ${bar} ${\n  baz\n}`", options: ["never"] },
+        { code: "tag`${ foo } ${ bar } ${\n  baz\n}`", options: ["always"] },
+
+        "`${/*  */ foo} ${bar /*  */}`",
+        "`${/*  */foo/*  */} ${/*  */  bar  /*  */}`",
+        "`${\n  /*  */  foo  /*  */  \n} ${/*\n  */  bar  /*  \n*/}`",
+        "tag`${/*  */ foo} ${bar /*  */}}`",
+        "tag`${/*  */foo/*  */} ${/*  */  bar  /*  */}`",
+        "tag`${\n  /*  */  foo  /*  */  \n} ${/*\n  */  bar  /*  \n*/}`",
+        "`${// comment\n foo} ${bar // comment \n}`",
+
+        { code: "`${/*  */ foo} ${bar /*  */}`", options: ["never"] },
+        { code: "`${/*  */foo/*  */} ${/*  */  bar  /*  */}`", options: ["never"] },
+        { code: "`${\n  /*  */  foo  /*  */  \n} ${/*\n  */  bar  /*  \n*/}`", options: ["never"] },
+        { code: "tag`${/*  */ foo} ${bar /*  */}}`", options: ["never"] },
+        { code: "tag`${/*  */foo/*  */} ${/*  */  bar  /*  */}`", options: ["never"] },
+        { code: "tag`${\n  /*  */  foo  /*  */  \n} ${/*\n  */  bar  /*  \n*/}`", options: ["never"] },
+        { code: "`${// comment\n foo} ${bar // comment \n}`", options: ["never"] },
+
+        { code: "`${ /*  */ foo } ${ bar /*  */ }`", options: ["always"] },
+        { code: "`${ /*  */foo/*  */ } ${ /*  */  bar  /*  */ }`", options: ["always"] },
+        { code: "`${\n  /*  */  foo  /*  */  \n} ${ /*\n  */  bar  /*  \n*/ }`", options: ["always"] },
+        { code: "tag`${ /*  */ foo } ${ bar /*  */ }`", options: ["always"] },
+        { code: "tag`${ /*  */foo/*  */ } ${ /*  */  bar  /*  */ }`", options: ["always"] },
+        { code: "tag`${\n  /*  */  foo  /*  */  \n} ${ /*\n  */  bar  /*  \n*/ }`", options: ["always"] },
+        { code: "`${ // comment\n foo } ${ bar // comment \n}`", options: ["always"] }
+    ],
+    invalid: [
+        {
+            code: "`${ foo } ${ bar }`",
+            output: "`${foo} ${bar}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 1, column: 8, endLine: 1, endColumn: 9 },
+                { messageId: "unexpectedAfter", line: 1, column: 13, endLine: 1, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 }
+            ]
+        },
+        {
+            code: "`${ foo } ${ bar }`",
+            output: "`${foo} ${bar}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 1, column: 8, endLine: 1, endColumn: 9 },
+                { messageId: "unexpectedAfter", line: 1, column: 13, endLine: 1, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 }
+            ]
+        },
+        {
+            code: "` ${ foo }${ bar }` ",
+            output: "` ${foo}${bar}` ",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 5, endLine: 1, endColumn: 6 },
+                { messageId: "unexpectedBefore", line: 1, column: 9, endLine: 1, endColumn: 10 },
+                { messageId: "unexpectedAfter", line: 1, column: 13, endLine: 1, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 }
+            ]
+        },
+        {
+            code: "`${  foo } ${ bar  }`",
+            output: "`${foo} ${bar}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 6 },
+                { messageId: "unexpectedBefore", line: 1, column: 9, endLine: 1, endColumn: 10 },
+                { messageId: "unexpectedAfter", line: 1, column: 14, endLine: 1, endColumn: 15 },
+                { messageId: "unexpectedBefore", line: 1, column: 18, endLine: 1, endColumn: 20 }
+            ]
+        },
+        {
+            code: "`${foo   }${   bar}`",
+            output: "`${foo}${bar}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedBefore", line: 1, column: 7, endLine: 1, endColumn: 10 },
+                { messageId: "unexpectedAfter", line: 1, column: 13, endLine: 1, endColumn: 16 }
+            ]
+        },
+        {
+            code: "`${   foo \t}${\t\tbar   }`",
+            output: "`${foo}${bar}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 7 },
+                { messageId: "unexpectedBefore", line: 1, column: 10, endLine: 1, endColumn: 12 },
+                { messageId: "unexpectedAfter", line: 1, column: 15, endLine: 1, endColumn: 17 },
+                { messageId: "unexpectedBefore", line: 1, column: 20, endLine: 1, endColumn: 23 }
+            ]
+        },
+        {
+            code: "`${foo} ${bar}`",
+            output: "`${ foo } ${ bar }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 2, endLine: 1, endColumn: 4 },
+                { messageId: "expectedBefore", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "expectedAfter", line: 1, column: 9, endLine: 1, endColumn: 11 },
+                { messageId: "expectedBefore", line: 1, column: 14, endLine: 1, endColumn: 15 }
+            ]
+        },
+        {
+            code: "`${foo}${bar}`",
+            output: "`${ foo }${ bar }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 2, endLine: 1, endColumn: 4 },
+                { messageId: "expectedBefore", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "expectedAfter", line: 1, column: 8, endLine: 1, endColumn: 10 },
+                { messageId: "expectedBefore", line: 1, column: 13, endLine: 1, endColumn: 14 }
+            ]
+        },
+        {
+            code: "`a${foo}b${bar}c`",
+            output: "`a${ foo }b${ bar }c`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 3, endLine: 1, endColumn: 5 },
+                { messageId: "expectedBefore", line: 1, column: 8, endLine: 1, endColumn: 9 },
+                { messageId: "expectedAfter", line: 1, column: 10, endLine: 1, endColumn: 12 },
+                { messageId: "expectedBefore", line: 1, column: 15, endLine: 1, endColumn: 16 }
+            ]
+        },
+        {
+            code: "tag`${ foo } ${ bar }`",
+            output: "tag`${foo} ${bar}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 1, column: 11, endLine: 1, endColumn: 12 },
+                { messageId: "unexpectedAfter", line: 1, column: 16, endLine: 1, endColumn: 17 },
+                { messageId: "unexpectedBefore", line: 1, column: 20, endLine: 1, endColumn: 21 }
+            ]
+        },
+        {
+            code: "tag`${ foo } ${ bar }`",
+            output: "tag`${foo} ${bar}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 1, column: 11, endLine: 1, endColumn: 12 },
+                { messageId: "unexpectedAfter", line: 1, column: 16, endLine: 1, endColumn: 17 },
+                { messageId: "unexpectedBefore", line: 1, column: 20, endLine: 1, endColumn: 21 }
+            ]
+        },
+        {
+            code: "tag`${foo} ${bar}`",
+            output: "tag`${ foo } ${ bar }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 5, endLine: 1, endColumn: 7 },
+                { messageId: "expectedBefore", line: 1, column: 10, endLine: 1, endColumn: 11 },
+                { messageId: "expectedAfter", line: 1, column: 12, endLine: 1, endColumn: 14 },
+                { messageId: "expectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 }
+            ]
+        },
+        {
+            code: "`${ /*  */foo } ${ bar/*  */ }`",
+            output: "`${/*  */foo} ${bar/*  */}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 1, column: 14, endLine: 1, endColumn: 15 },
+                { messageId: "unexpectedAfter", line: 1, column: 19, endLine: 1, endColumn: 20 },
+                { messageId: "unexpectedBefore", line: 1, column: 29, endLine: 1, endColumn: 30 }
+            ]
+        },
+        {
+            code: "`${ /*\n  */foo } ${ bar/*  \n*/ }`",
+            output: "`${/*\n  */foo} ${bar/*  \n*/}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 2, column: 8, endLine: 2, endColumn: 9 },
+                { messageId: "unexpectedAfter", line: 2, column: 13, endLine: 2, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "`${ /*  */ foo } ${ bar /*  */ }`",
+            output: "`${/*  */ foo} ${bar /*  */}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 1, column: 15, endLine: 1, endColumn: 16 },
+                { messageId: "unexpectedAfter", line: 1, column: 20, endLine: 1, endColumn: 21 },
+                { messageId: "unexpectedBefore", line: 1, column: 31, endLine: 1, endColumn: 32 }
+            ]
+        },
+        {
+            code: "`${ /*\n  */ foo } ${ bar /*  \n*/ }`",
+            output: "`${/*\n  */ foo} ${bar /*  \n*/}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 },
+                { messageId: "unexpectedBefore", line: 2, column: 9, endLine: 2, endColumn: 10 },
+                { messageId: "unexpectedAfter", line: 2, column: 14, endLine: 2, endColumn: 15 },
+                { messageId: "unexpectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "`${/*  */foo} ${bar/*  */}`",
+            output: "`${ /*  */foo } ${ bar/*  */ }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 2, endLine: 1, endColumn: 4 },
+                { messageId: "expectedBefore", line: 1, column: 13, endLine: 1, endColumn: 14 },
+                { messageId: "expectedAfter", line: 1, column: 15, endLine: 1, endColumn: 17 },
+                { messageId: "expectedBefore", line: 1, column: 26, endLine: 1, endColumn: 27 }
+            ]
+        },
+        {
+            code: "`${/*\n  */foo} ${bar/*  \n*/}`",
+            output: "`${ /*\n  */foo } ${ bar/*  \n*/ }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 2, endLine: 1, endColumn: 4 },
+                { messageId: "expectedBefore", line: 2, column: 8, endLine: 2, endColumn: 9 },
+                { messageId: "expectedAfter", line: 2, column: 10, endLine: 2, endColumn: 12 },
+                { messageId: "expectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "tag`${ /*  */foo } ${ bar/*  */ }`",
+            output: "tag`${/*  */foo} ${bar/*  */}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 },
+                { messageId: "unexpectedAfter", line: 1, column: 22, endLine: 1, endColumn: 23 },
+                { messageId: "unexpectedBefore", line: 1, column: 32, endLine: 1, endColumn: 33 }
+            ]
+        },
+        {
+            code: "tag`${ /*\n  */foo } ${ bar/*  \n*/ }`",
+            output: "tag`${/*\n  */foo} ${bar/*  \n*/}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 2, column: 8, endLine: 2, endColumn: 9 },
+                { messageId: "unexpectedAfter", line: 2, column: 13, endLine: 2, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "tag`${ /*  */foo } ${ bar/*  */ }`",
+            output: "tag`${/*  */foo} ${bar/*  */}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 1, column: 17, endLine: 1, endColumn: 18 },
+                { messageId: "unexpectedAfter", line: 1, column: 22, endLine: 1, endColumn: 23 },
+                { messageId: "unexpectedBefore", line: 1, column: 32, endLine: 1, endColumn: 33 }
+            ]
+        },
+        {
+            code: "tag`${ /*\n  */foo } ${ bar/*  \n*/ }`",
+            output: "tag`${/*\n  */foo} ${bar/*  \n*/}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 7, endLine: 1, endColumn: 8 },
+                { messageId: "unexpectedBefore", line: 2, column: 8, endLine: 2, endColumn: 9 },
+                { messageId: "unexpectedAfter", line: 2, column: 13, endLine: 2, endColumn: 14 },
+                { messageId: "unexpectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "tag`${/*  */foo} ${bar/*  */}`",
+            output: "tag`${ /*  */foo } ${ bar/*  */ }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 5, endLine: 1, endColumn: 7 },
+                { messageId: "expectedBefore", line: 1, column: 16, endLine: 1, endColumn: 17 },
+                { messageId: "expectedAfter", line: 1, column: 18, endLine: 1, endColumn: 20 },
+                { messageId: "expectedBefore", line: 1, column: 29, endLine: 1, endColumn: 30 }
+            ]
+        },
+        {
+            code: "tag`${/*\n  */foo} ${bar/*  \n*/}`",
+            output: "tag`${ /*\n  */foo } ${ bar/*  \n*/ }`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 5, endLine: 1, endColumn: 7 },
+                { messageId: "expectedBefore", line: 2, column: 8, endLine: 2, endColumn: 9 },
+                { messageId: "expectedAfter", line: 2, column: 10, endLine: 2, endColumn: 12 },
+                { messageId: "expectedBefore", line: 3, column: 3, endLine: 3, endColumn: 4 }
+            ]
+        },
+        {
+            code: "`${ // comment\n foo} ${bar // comment \n}`",
+            output: "`${// comment\n foo} ${bar // comment \n}`",
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 }
+            ]
+        },
+        {
+            code: "`${ // comment\n foo} ${bar // comment \n}`",
+            output: "`${// comment\n foo} ${bar // comment \n}`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 1, column: 4, endLine: 1, endColumn: 5 }
+            ]
+        },
+        {
+            code: "`${// comment\n foo } ${ bar // comment \n}`",
+            output: "`${ // comment\n foo } ${ bar // comment \n}`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 1, column: 2, endLine: 1, endColumn: 4 }
+            ]
+        },
+        {
+            code: "`\n${ foo }\n`",
+            output: "`\n${foo}\n`",
+            options: ["never"],
+            errors: [
+                { messageId: "unexpectedAfter", line: 2, column: 3, endLine: 2, endColumn: 4 },
+                { messageId: "unexpectedBefore", line: 2, column: 7, endLine: 2, endColumn: 8 }
+            ]
+        },
+        {
+            code: "`\n${foo}\n`",
+            output: "`\n${ foo }\n`",
+            options: ["always"],
+            errors: [
+                { messageId: "expectedAfter", line: 2, column: 1, endLine: 2, endColumn: 3 },
+                { messageId: "expectedBefore", line: 2, column: 6, endLine: 2, endColumn: 7 }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/template-tag-spacing.js b/eslint/tests/lib/rules/template-tag-spacing.js
new file mode 100644
index 0000000..0885936
--- /dev/null
+++ b/eslint/tests/lib/rules/template-tag-spacing.js
@@ -0,0 +1,221 @@
+/**
+ * @fileoverview Tests for template-tag-spacing rule.
+ * @author Jonathan Wilsson
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/template-tag-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+const unexpectedError = { messageId: "unexpected" };
+const missingError = { messageId: "missing" };
+
+ruleTester.run("template-tag-spacing", rule, {
+    valid: [
+        "tag`name`",
+        { code: "tag`name`", options: ["never"] },
+        { code: "tag `name`", options: ["always"] },
+        "tag`hello ${name}`",
+        { code: "tag`hello ${name}`", options: ["never"] },
+        { code: "tag `hello ${name}`", options: ["always"] },
+        "tag/*here's a comment*/`Hello world`",
+        { code: "tag/*here's a comment*/`Hello world`", options: ["never"] },
+        { code: "tag /*here's a comment*/`Hello world`", options: ["always"] },
+        { code: "tag/*here's a comment*/ `Hello world`", options: ["always"] },
+        "new tag`name`",
+        { code: "new tag`name`", options: ["never"] },
+        { code: "new tag `name`", options: ["always"] },
+        "new tag`hello ${name}`",
+        { code: "new tag`hello ${name}`", options: ["never"] },
+        { code: "new tag `hello ${name}`", options: ["always"] },
+        "(tag)`name`",
+        { code: "(tag)`name`", options: ["never"] },
+        { code: "(tag) `name`", options: ["always"] },
+        "(tag)`hello ${name}`",
+        { code: "(tag)`hello ${name}`", options: ["never"] },
+        { code: "(tag) `hello ${name}`", options: ["always"] },
+        "new (tag)`name`",
+        { code: "new (tag)`name`", options: ["never"] },
+        { code: "new (tag) `name`", options: ["always"] },
+        "new (tag)`hello ${name}`",
+        { code: "new (tag)`hello ${name}`", options: ["never"] },
+        { code: "new (tag) `hello ${name}`", options: ["always"] }
+    ],
+    invalid: [
+        {
+            code: "tag `name`",
+            output: "tag`name`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag `name`",
+            output: "tag`name`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag`name`",
+            output: "tag `name`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "tag /*here's a comment*/`Hello world`",
+            output: "tag/*here's a comment*/`Hello world`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag/*here's a comment*/ `Hello world`",
+            output: "tag/*here's a comment*/`Hello world`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag/*here's a comment*/`Hello world`",
+            output: "tag /*here's a comment*/`Hello world`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "tag // here's a comment \n`bar`",
+            output: null,
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag // here's a comment \n`bar`",
+            output: null,
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag `hello ${name}`",
+            output: "tag`hello ${name}`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag `hello ${name}`",
+            output: "tag`hello ${name}`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "tag`hello ${name}`",
+            output: "tag `hello ${name}`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "new tag `name`",
+            output: "new tag`name`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "new tag `name`",
+            output: "new tag`name`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "new tag`name`",
+            output: "new tag `name`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "new tag `hello ${name}`",
+            output: "new tag`hello ${name}`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "new tag `hello ${name}`",
+            output: "new tag`hello ${name}`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "new tag`hello ${name}`",
+            output: "new tag `hello ${name}`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "(tag) `name`",
+            output: "(tag)`name`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "(tag) `name`",
+            output: "(tag)`name`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "(tag)`name`",
+            output: "(tag) `name`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "(tag) `hello ${name}`",
+            output: "(tag)`hello ${name}`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "(tag) `hello ${name}`",
+            output: "(tag)`hello ${name}`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "(tag)`hello ${name}`",
+            output: "(tag) `hello ${name}`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "new (tag) `name`",
+            output: "new (tag)`name`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "new (tag) `name`",
+            output: "new (tag)`name`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "new (tag)`name`",
+            output: "new (tag) `name`",
+            options: ["always"],
+            errors: [missingError]
+        },
+        {
+            code: "new (tag) `hello ${name}`",
+            output: "new (tag)`hello ${name}`",
+            errors: [unexpectedError]
+        },
+        {
+            code: "new (tag) `hello ${name}`",
+            output: "new (tag)`hello ${name}`",
+            options: ["never"],
+            errors: [unexpectedError]
+        },
+        {
+            code: "new (tag)`hello ${name}`",
+            output: "new (tag) `hello ${name}`",
+            options: ["always"],
+            errors: [missingError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/unicode-bom.js b/eslint/tests/lib/rules/unicode-bom.js
new file mode 100644
index 0000000..0b94a69
--- /dev/null
+++ b/eslint/tests/lib/rules/unicode-bom.js
@@ -0,0 +1,64 @@
+/**
+ * @fileoverview Check that the Unicode BOM can be required and disallowed
+ * @author Andrew Johnston <https://github.com/ehjay>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/unicode-bom"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const expectedError = { messageId: "expected", type: "Program" };
+const unexpectedError = { messageId: "unexpected", type: "Program" };
+
+ruleTester.run("unicode-bom", rule, {
+
+    valid: [
+        {
+            code: "\uFEFF var a = 123;",
+            options: ["always"]
+        },
+        {
+            code: "var a = 123;",
+            options: ["never"]
+        },
+        {
+            code: "var a = 123; \uFEFF",
+            options: ["never"]
+        }
+    ],
+
+    invalid: [
+        {
+            code: "var a = 123;",
+            output: "\uFEFFvar a = 123;",
+            options: ["always"],
+            errors: [expectedError]
+        },
+        {
+            code: " // here's a comment \nvar a = 123;",
+            output: "\uFEFF // here's a comment \nvar a = 123;",
+            options: ["always"],
+            errors: [expectedError]
+        },
+        {
+            code: "\uFEFF var a = 123;",
+            output: " var a = 123;",
+            errors: [unexpectedError]
+        },
+        {
+            code: "\uFEFF var a = 123;",
+            output: " var a = 123;",
+            options: ["never"],
+            errors: [unexpectedError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/use-isnan.js b/eslint/tests/lib/rules/use-isnan.js
new file mode 100644
index 0000000..aa1b174
--- /dev/null
+++ b/eslint/tests/lib/rules/use-isnan.js
@@ -0,0 +1,390 @@
+/**
+ * @fileoverview Tests for use-isnan rule.
+ * @author James Allardice, Michael Paulukonis
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/use-isnan"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const comparisonError = { messageId: "comparisonWithNaN", type: "BinaryExpression" };
+
+ruleTester.run("use-isnan", rule, {
+    valid: [
+        "var x = NaN;",
+        "isNaN(NaN) === true;",
+        "isNaN(123) !== true;",
+        "Number.isNaN(NaN) === true;",
+        "Number.isNaN(123) !== true;",
+        "foo(NaN + 1);",
+        "foo(1 + NaN);",
+        "foo(NaN - 1)",
+        "foo(1 - NaN)",
+        "foo(NaN * 2)",
+        "foo(2 * NaN)",
+        "foo(NaN / 2)",
+        "foo(2 / NaN)",
+        "var x; if (x = NaN) { }",
+
+        //------------------------------------------------------------------------------
+        // enforceForSwitchCase
+        //------------------------------------------------------------------------------
+
+        {
+            code: "switch(NaN) { case foo: break; }",
+            options: [{ enforceForSwitchCase: false }]
+        },
+        {
+            code: "switch(foo) { case NaN: break; }",
+            options: [{ enforceForSwitchCase: false }]
+        },
+        {
+            code: "switch(NaN) { case NaN: break; }",
+            options: [{ enforceForSwitchCase: false }]
+        },
+        {
+            code: "switch(foo) { case bar: break; case NaN: break; default: break; }",
+            options: [{ enforceForSwitchCase: false }]
+        },
+        {
+            code: "switch(foo) {}",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case bar: NaN; }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { default: NaN; }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(Nan) {}",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch('NaN') { default: break; }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo(NaN)) {}",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo.NaN) {}",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case Nan: break }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case 'NaN': break }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case foo(NaN): break }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case foo.NaN: break }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+        {
+            code: "switch(foo) { case bar: break; case 1: break; default: break; }",
+            options: [{ enforceForSwitchCase: true }]
+        },
+
+        //------------------------------------------------------------------------------
+        // enforceForIndexOf
+        //------------------------------------------------------------------------------
+
+        "foo.indexOf(NaN)",
+        "foo.lastIndexOf(NaN)",
+        {
+            code: "foo.indexOf(NaN)",
+            options: [{}]
+        },
+        {
+            code: "foo.lastIndexOf(NaN)",
+            options: [{}]
+        },
+        {
+            code: "foo.indexOf(NaN)",
+            options: [{ enforceForIndexOf: false }]
+        },
+        {
+            code: "foo.lastIndexOf(NaN)",
+            options: [{ enforceForIndexOf: false }]
+        },
+        {
+            code: "indexOf(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "lastIndexOf(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "new foo.indexOf(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.bar(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.IndexOf(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo[indexOf](NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo[lastIndexOf](NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "indexOf.foo(NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.indexOf()",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.lastIndexOf()",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.indexOf(a)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.lastIndexOf(Nan)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.indexOf(a, NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.lastIndexOf(NaN, b)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.indexOf(a, b)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.lastIndexOf(NaN, NaN)",
+            options: [{ enforceForIndexOf: true }]
+        },
+        {
+            code: "foo.indexOf(...NaN)",
+            options: [{ enforceForIndexOf: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "foo.lastIndexOf(NaN())",
+            options: [{ enforceForIndexOf: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "123 == NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "123 === NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN === \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN == \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "123 != NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "123 !== NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN !== \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN != \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN < \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "\"abc\" < NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN > \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "\"abc\" > NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN <= \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "\"abc\" <= NaN;",
+            errors: [comparisonError]
+        },
+        {
+            code: "NaN >= \"abc\";",
+            errors: [comparisonError]
+        },
+        {
+            code: "\"abc\" >= NaN;",
+            errors: [comparisonError]
+        },
+
+        //------------------------------------------------------------------------------
+        // enforceForSwitchCase
+        //------------------------------------------------------------------------------
+
+        {
+            code: "switch(NaN) { case foo: break; }",
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(foo) { case NaN: break; }",
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 15 }]
+        },
+        {
+            code: "switch(NaN) { case foo: break; }",
+            options: [{}],
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(foo) { case NaN: break; }",
+            options: [{}],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 15 }]
+        },
+        {
+            code: "switch(NaN) {}",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(NaN) { case foo: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(NaN) { default: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(NaN) { case foo: break; default: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "switchNaN", type: "SwitchStatement", column: 1 }]
+        },
+        {
+            code: "switch(foo) { case NaN: }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 15 }]
+        },
+        {
+            code: "switch(foo) { case NaN: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 15 }]
+        },
+        {
+            code: "switch(foo) { case (NaN): break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 15 }]
+        },
+        {
+            code: "switch(foo) { case bar: break; case NaN: break; default: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 32 }]
+        },
+        {
+            code: "switch(foo) { case bar: case NaN: default: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [{ messageId: "caseNaN", type: "SwitchCase", column: 25 }]
+        },
+        {
+            code: "switch(foo) { case bar: break; case NaN: break; case baz: break; case NaN: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [
+                { messageId: "caseNaN", type: "SwitchCase", column: 32 },
+                { messageId: "caseNaN", type: "SwitchCase", column: 66 }
+            ]
+        },
+        {
+            code: "switch(NaN) { case NaN: break; }",
+            options: [{ enforceForSwitchCase: true }],
+            errors: [
+                { messageId: "switchNaN", type: "SwitchStatement", column: 1 },
+                { messageId: "caseNaN", type: "SwitchCase", column: 15 }
+            ]
+        },
+
+        //------------------------------------------------------------------------------
+        // enforceForIndexOf
+        //------------------------------------------------------------------------------
+
+        {
+            code: "foo.indexOf(NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "indexOf" } }]
+        },
+        {
+            code: "foo.lastIndexOf(NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "lastIndexOf" } }]
+        },
+        {
+            code: "foo['indexOf'](NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "indexOf" } }]
+        },
+        {
+            code: "foo['lastIndexOf'](NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "lastIndexOf" } }]
+        },
+        {
+            code: "foo().indexOf(NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "indexOf" } }]
+        },
+        {
+            code: "foo.bar.lastIndexOf(NaN)",
+            options: [{ enforceForIndexOf: true }],
+            errors: [{ messageId: "indexOfNaN", type: "CallExpression", data: { methodName: "lastIndexOf" } }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/utils/ast-utils.js b/eslint/tests/lib/rules/utils/ast-utils.js
new file mode 100644
index 0000000..dfa494f
--- /dev/null
+++ b/eslint/tests/lib/rules/utils/ast-utils.js
@@ -0,0 +1,1480 @@
+/**
+ * @fileoverview Tests for ast utils.
+ * @author Gyandeep Singh
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    espree = require("espree"),
+    astUtils = require("../../../../lib/rules/utils/ast-utils"),
+    { Linter } = require("../../../../lib/linter"),
+    { SourceCode } = require("../../../../lib/source-code");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ESPREE_CONFIG = {
+    ecmaVersion: 6,
+    comment: true,
+    tokens: true,
+    range: true,
+    loc: true
+};
+const linter = new Linter();
+
+describe("ast-utils", () => {
+    let callCounts;
+
+    beforeEach(() => {
+        callCounts = new Map();
+    });
+
+    /**
+     * Asserts that a given function is called at least once during a test
+     * @param {Function} func The function that must be called at least once
+     * @returns {Function} A wrapper around the same function
+     */
+    function mustCall(func) {
+        callCounts.set(func, 0);
+        return function Wrapper(...args) {
+            callCounts.set(func, callCounts.get(func) + 1);
+
+            return func.call(this, ...args);
+        };
+    }
+
+    afterEach(() => {
+        callCounts.forEach((callCount, func) => {
+            assert(
+                callCount > 0,
+                `Expected ${func.toString()} to be called at least once but it was not called`
+            );
+        });
+    });
+
+    describe("isTokenOnSameLine", () => {
+        it("should return false if the tokens are not on the same line", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                BlockStatement: mustCall(node => {
+                    assert.isFalse(astUtils.isTokenOnSameLine(context.getTokenBefore(node), node));
+                })
+            })));
+
+            linter.verify("if(a)\n{}", { rules: { checker: "error" } });
+        });
+
+        it("should return true if the tokens are on the same line", () => {
+
+            linter.defineRule("checker", mustCall(context => ({
+                BlockStatement: mustCall(node => {
+                    assert.isTrue(astUtils.isTokenOnSameLine(context.getTokenBefore(node), node));
+                })
+            })));
+
+            linter.verify("if(a){}", { rules: { checker: "error" } });
+        });
+    });
+
+    describe("isNullOrUndefined", () => {
+        it("should return true if the argument is null", () => {
+            assert.isTrue(astUtils.isNullOrUndefined(espree.parse("null").body[0].expression));
+        });
+
+        it("should return true if the argument is undefined", () => {
+            assert.isTrue(astUtils.isNullOrUndefined(espree.parse("undefined").body[0].expression));
+        });
+
+        it("should return false if the argument is a number", () => {
+            assert.isFalse(astUtils.isNullOrUndefined(espree.parse("1").body[0].expression));
+        });
+
+        it("should return false if the argument is a string", () => {
+            assert.isFalse(astUtils.isNullOrUndefined(espree.parse("'test'").body[0].expression));
+        });
+
+        it("should return false if the argument is a boolean", () => {
+            assert.isFalse(astUtils.isNullOrUndefined(espree.parse("true").body[0].expression));
+        });
+
+        it("should return false if the argument is an object", () => {
+            assert.isFalse(astUtils.isNullOrUndefined(espree.parse("({})").body[0].expression));
+        });
+
+        it("should return false if the argument is a unicode regex", () => {
+            assert.isFalse(astUtils.isNullOrUndefined(espree.parse("/abc/u", { ecmaVersion: 6 }).body[0].expression));
+        });
+    });
+
+    describe("checkReference", () => {
+
+        // catch
+        it("should return true if reference is assigned for catch", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                CatchClause: mustCall(node => {
+                    const variables = context.getDeclaredVariables(node);
+
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[0].references), 1);
+                })
+            })));
+
+            linter.verify("try { } catch (e) { e = 10; }", { rules: { checker: "error" } });
+        });
+
+        // const
+        it("should return true if reference is assigned for const", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                VariableDeclaration: mustCall(node => {
+                    const variables = context.getDeclaredVariables(node);
+
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[0].references), 1);
+                })
+            })));
+
+            linter.verify("const a = 1; a = 2;", { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+        });
+
+        it("should return false if reference is not assigned for const", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                VariableDeclaration: mustCall(node => {
+                    const variables = context.getDeclaredVariables(node);
+
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[0].references), 0);
+                })
+            })));
+
+            linter.verify("const a = 1; c = 2;", { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+        });
+
+        // class
+        it("should return true if reference is assigned for class", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                ClassDeclaration: mustCall(node => {
+                    const variables = context.getDeclaredVariables(node);
+
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[0].references), 1);
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[1].references), 0);
+                })
+            })));
+
+            linter.verify("class A { }\n A = 1;", { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+        });
+
+        it("should return false if reference is not assigned for class", () => {
+            linter.defineRule("checker", mustCall(context => ({
+                ClassDeclaration: mustCall(node => {
+                    const variables = context.getDeclaredVariables(node);
+
+                    assert.lengthOf(astUtils.getModifyingReferences(variables[0].references), 0);
+                })
+            })));
+
+            linter.verify("class A { } foo(A);", { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+        });
+    });
+
+    describe("isDirectiveComment", () => {
+
+        /**
+         * Asserts the node is NOT a directive comment
+         * @param {ASTNode} node node to assert
+         * @returns {void}
+         *
+         */
+        function assertFalse(node) {
+            assert.isFalse(astUtils.isDirectiveComment(node));
+        }
+
+        /**
+         * Asserts the node is a directive comment
+         * @param {ASTNode} node node to assert
+         * @returns {void}
+         *
+         */
+        function assertTrue(node) {
+            assert.isTrue(astUtils.isDirectiveComment(node));
+        }
+
+        it("should return false if it is not a directive line comment", () => {
+            const code = [
+                "// lalala I'm a normal comment",
+                "// trying to confuse eslint ",
+                "//trying to confuse eslint-directive-detection",
+                "//eslint is awesome"
+            ].join("\n");
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+            const comments = sourceCode.getAllComments();
+
+            comments.forEach(assertFalse);
+        });
+
+        it("should return false if it is not a directive block comment", () => {
+            const code = [
+                "/* lalala I'm a normal comment */",
+                "/* trying to confuse eslint */",
+                "/* trying to confuse eslint-directive-detection */",
+                "/*eSlInT is awesome*/"
+            ].join("\n");
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+            const comments = sourceCode.getAllComments();
+
+            comments.forEach(assertFalse);
+        });
+
+        it("should return true if it is a directive line comment", () => {
+            const code = [
+                "// eslint-disable-line no-undef",
+                "// eslint-secret-directive 4 8 15 16 23 42   ",
+                "// eslint-directive-without-argument",
+                "//eslint-directive-without-padding"
+            ].join("\n");
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+            const comments = sourceCode.getAllComments();
+
+            comments.forEach(assertTrue);
+        });
+
+        it("should return true if it is a directive block comment", () => {
+            const code = [
+                "/* eslint-disable no-undef */",
+                "/*eslint-enable no-undef*/",
+                "/* eslint-env {\"es6\": true} */",
+                "/* eslint foo */",
+                "/*eslint bar*/"
+            ].join("\n");
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+            const comments = sourceCode.getAllComments();
+
+            comments.forEach(assertTrue);
+        });
+    });
+
+    describe("isParenthesised", () => {
+        it("should return false for not parenthesised nodes", () => {
+            const code = "condition ? 1 : 2";
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+
+            assert.isFalse(astUtils.isParenthesised(sourceCode, ast.body[0].expression));
+        });
+
+        it("should return true for not parenthesised nodes", () => {
+            const code = "(condition ? 1 : 2)";
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+
+            assert.isTrue(astUtils.isParenthesised(sourceCode, ast.body[0].expression));
+        });
+    });
+
+    describe("isFunction", () => {
+        it("should return true for FunctionDeclaration", () => {
+            const ast = espree.parse("function a() {}");
+            const node = ast.body[0];
+
+            assert(astUtils.isFunction(node));
+        });
+
+        it("should return true for FunctionExpression", () => {
+            const ast = espree.parse("(function a() {})");
+            const node = ast.body[0].expression;
+
+            assert(astUtils.isFunction(node));
+        });
+
+        it("should return true for AllowFunctionExpression", () => {
+            const ast = espree.parse("(() => {})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression;
+
+            assert(astUtils.isFunction(node));
+        });
+
+        it("should return false for Program, VariableDeclaration, BlockStatement", () => {
+            const ast = espree.parse("var a; { }");
+
+            assert(!astUtils.isFunction(ast));
+            assert(!astUtils.isFunction(ast.body[0]));
+            assert(!astUtils.isFunction(ast.body[1]));
+        });
+    });
+
+    describe("isLoop", () => {
+        it("should return true for DoWhileStatement", () => {
+            const ast = espree.parse("do {} while (a)");
+            const node = ast.body[0];
+
+            assert(astUtils.isLoop(node));
+        });
+
+        it("should return true for ForInStatement", () => {
+            const ast = espree.parse("for (var k in obj) {}");
+            const node = ast.body[0];
+
+            assert(astUtils.isLoop(node));
+        });
+
+        it("should return true for ForOfStatement", () => {
+            const ast = espree.parse("for (var x of list) {}", { ecmaVersion: 6 });
+            const node = ast.body[0];
+
+            assert(astUtils.isLoop(node));
+        });
+
+        it("should return true for ForStatement", () => {
+            const ast = espree.parse("for (var i = 0; i < 10; ++i) {}");
+            const node = ast.body[0];
+
+            assert(astUtils.isLoop(node));
+        });
+
+        it("should return true for WhileStatement", () => {
+            const ast = espree.parse("while (a) {}");
+            const node = ast.body[0];
+
+            assert(astUtils.isLoop(node));
+        });
+
+        it("should return false for Program, VariableDeclaration, BlockStatement", () => {
+            const ast = espree.parse("var a; { }");
+
+            assert(!astUtils.isLoop(ast));
+            assert(!astUtils.isLoop(ast.body[0]));
+            assert(!astUtils.isLoop(ast.body[1]));
+        });
+    });
+
+    describe("isInLoop", () => {
+
+        /**
+         * Asserts that the unique node of the given type in the code is either
+         * in a loop or not in a loop.
+         * @param {string} code the code to check.
+         * @param {string} nodeType the type of the node to consider. The code
+         *      must have exactly one node of ths type.
+         * @param {boolean} expectedInLoop the expected result for whether the
+         *      node is in a loop.
+         * @returns {void}
+         */
+        function assertNodeTypeInLoop(code, nodeType, expectedInLoop) {
+            const results = [];
+
+            linter.defineRule("checker", mustCall(() => ({
+                [nodeType]: mustCall(node => {
+                    results.push(astUtils.isInLoop(node));
+                })
+            })));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+
+            assert.lengthOf(results, 1);
+            assert.strictEqual(results[0], expectedInLoop);
+        }
+
+        it("should return true for a loop itself", () => {
+            assertNodeTypeInLoop("while (a) {}", "WhileStatement", true);
+        });
+
+        it("should return true for a loop condition", () => {
+            assertNodeTypeInLoop("while (a) {}", "Identifier", true);
+        });
+
+        it("should return true for a loop assignee", () => {
+            assertNodeTypeInLoop("for (var a in b) {}", "VariableDeclaration", true);
+        });
+
+        it("should return true for a node within a loop body", () => {
+            assertNodeTypeInLoop("for (var a of b) { console.log('Hello'); }", "Literal", true);
+        });
+
+        it("should return false for a node outside a loop body", () => {
+            assertNodeTypeInLoop("while (true) {} a(b);", "CallExpression", false);
+        });
+
+        it("should return false when the loop is not in the current function", () => {
+            assertNodeTypeInLoop("while (true) { funcs.push(() => { var a; }); }", "VariableDeclaration", false);
+        });
+    });
+
+    describe("getStaticStringValue", () => {
+
+        /* eslint-disable quote-props */
+        const expectedResults = {
+
+            // string literals
+            "''": "",
+            "'foo'": "foo",
+
+            // boolean literals
+            "false": "false",
+            "true": "true",
+
+            // null literal
+            "null": "null",
+
+            // number literals
+            "0": "0",
+            "0.": "0",
+            ".0": "0",
+            "1": "1",
+            "1.": "1",
+            ".1": "0.1",
+            "12": "12",
+            ".12": "0.12",
+            "0.12": "0.12",
+            "12.34": "12.34",
+            "12e3": "12000",
+            "12e-3": "0.012",
+            "12.34e5": "1234000",
+            "12.34e-5": "0.0001234",
+            "011": "9",
+            "081": "81",
+            "0b11": "3",
+            "0b011": "3",
+            "0o11": "9",
+            "0o011": "9",
+            "0x11": "17",
+            "0x011": "17",
+
+            // regexp literals
+            "/a/": "/a/",
+            "/a/i": "/a/i",
+            "/[0-9]/": "/[0-9]/",
+            "/(?<zero>0)/": "/(?<zero>0)/",
+            "/(?<zero>0)/s": "/(?<zero>0)/s",
+            "/(?<=a)b/s": "/(?<=a)b/s",
+
+            // simple template literals
+            "``": "",
+            "`foo`": "foo",
+
+            // unsupported
+            "`${''}`": null,
+            "`${0}`": null,
+            "tag``": null,
+            "-0": null,
+            "-1": null,
+            "1 + 2": null,
+            "[]": null,
+            "({})": null,
+            "foo": null,
+            "undefined": null,
+            "this": null,
+            "(function () {})": null
+        };
+        /* eslint-enable quote-props */
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return ${expectedResults[key]} for ${key}`, () => {
+                const ast = espree.parse(key, { ecmaVersion: 2018 });
+
+                assert.strictEqual(astUtils.getStaticStringValue(ast.body[0].expression), expectedResults[key]);
+            });
+        });
+    });
+
+    describe("getStaticPropertyName", () => {
+        it("should return 'b' for `a.b`", () => {
+            const ast = espree.parse("a.b");
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `a['b']`", () => {
+            const ast = espree.parse("a['b']");
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `a[`b`]`", () => {
+            const ast = espree.parse("a[`b`]", { ecmaVersion: 6 });
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return '100' for `a[100]`", () => {
+            const ast = espree.parse("a[100]");
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "100");
+        });
+
+        it("should return null for `a[b]`", () => {
+            const ast = espree.parse("a[b]");
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `a['a' + 'b']`", () => {
+            const ast = espree.parse("a['a' + 'b']");
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `a[tag`b`]`", () => {
+            const ast = espree.parse("a[tag`b`]", { ecmaVersion: 6 });
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `a[`${b}`]`", () => {
+            const ast = espree.parse("a[`${b}`]", { ecmaVersion: 6 });
+            const node = ast.body[0].expression;
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return 'b' for `b: 1`", () => {
+            const ast = espree.parse("({b: 1})");
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `b() {}`", () => {
+            const ast = espree.parse("({b() {}})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `get b() {}`", () => {
+            const ast = espree.parse("({get b() {}})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `['b']: 1`", () => {
+            const ast = espree.parse("({['b']: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `['b']() {}`", () => {
+            const ast = espree.parse("({['b']() {}})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return 'b' for `[`b`]: 1`", () => {
+            const ast = espree.parse("({[`b`]: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "b");
+        });
+
+        it("should return '100' for` [100]: 1`", () => {
+            const ast = espree.parse("({[100]: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "100");
+        });
+
+        it("should return '/(?<zero>0)/' for `[/(?<zero>0)/]: 1`", () => {
+            const ast = espree.parse("({[/(?<zero>0)/]: 1})", { ecmaVersion: 2018 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), "/(?<zero>0)/");
+        });
+
+        it("should return null for `[b]: 1`", () => {
+            const ast = espree.parse("({[b]: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `['a' + 'b']: 1`", () => {
+            const ast = espree.parse("({['a' + 'b']: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `[tag`b`]: 1`", () => {
+            const ast = espree.parse("({[tag`b`]: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for `[`${b}`]: 1`", () => {
+            const ast = espree.parse("({[`${b}`]: 1})", { ecmaVersion: 6 });
+            const node = ast.body[0].expression.properties[0];
+
+            assert.strictEqual(astUtils.getStaticPropertyName(node), null);
+        });
+
+        it("should return null for non member expressions", () => {
+            const ast = espree.parse("foo()");
+
+            assert.strictEqual(astUtils.getStaticPropertyName(ast.body[0].expression), null);
+            assert.strictEqual(astUtils.getStaticPropertyName(ast.body[0]), null);
+            assert.strictEqual(astUtils.getStaticPropertyName(ast.body), null);
+            assert.strictEqual(astUtils.getStaticPropertyName(ast), null);
+            assert.strictEqual(astUtils.getStaticPropertyName(null), null);
+        });
+    });
+
+    describe("getDirectivePrologue", () => {
+        it("should return empty array if node is not a Program, FunctionDeclaration, FunctionExpression, or ArrowFunctionExpression", () => {
+            const ast = espree.parse("if (a) { b(); }");
+            const node = ast.body[0];
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return empty array if node is a braceless ArrowFunctionExpression node", () => {
+            const ast = espree.parse("var foo = () => 'use strict';", { ecmaVersion: 6 });
+            const node = ast.body[0].declarations[0].init;
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return empty array if there are no directives in Program body", () => {
+            const ast = espree.parse("var foo;");
+            const node = ast;
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return empty array if there are no directives in FunctionDeclaration body", () => {
+            const ast = espree.parse("function foo() { return bar; }");
+            const node = ast.body[0];
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return empty array if there are no directives in FunctionExpression body", () => {
+            const ast = espree.parse("var foo = function() { return bar; }");
+            const node = ast.body[0].declarations[0].init;
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return empty array if there are no directives in ArrowFunctionExpression body", () => {
+            const ast = espree.parse("var foo = () => { return bar; };", { ecmaVersion: 6 });
+            const node = ast.body[0].declarations[0].init;
+
+            assert.deepStrictEqual(astUtils.getDirectivePrologue(node), []);
+        });
+
+        it("should return directives in Program body", () => {
+            const ast = espree.parse("'use strict'; 'use asm'; var foo;");
+            const result = astUtils.getDirectivePrologue(ast);
+
+            assert.strictEqual(result.length, 2);
+            assert.strictEqual(result[0].expression.value, "use strict");
+            assert.strictEqual(result[1].expression.value, "use asm");
+        });
+
+        it("should return directives in FunctionDeclaration body", () => {
+            const ast = espree.parse("function foo() { 'use strict'; 'use asm'; return bar; }");
+            const result = astUtils.getDirectivePrologue(ast.body[0]);
+
+            assert.strictEqual(result.length, 2);
+            assert.strictEqual(result[0].expression.value, "use strict");
+            assert.strictEqual(result[1].expression.value, "use asm");
+        });
+
+        it("should return directives in FunctionExpression body", () => {
+            const ast = espree.parse("var foo = function() { 'use strict'; 'use asm'; return bar; }");
+            const result = astUtils.getDirectivePrologue(ast.body[0].declarations[0].init);
+
+            assert.strictEqual(result.length, 2);
+            assert.strictEqual(result[0].expression.value, "use strict");
+            assert.strictEqual(result[1].expression.value, "use asm");
+        });
+
+        it("should return directives in ArrowFunctionExpression body", () => {
+            const ast = espree.parse("var foo = () => { 'use strict'; 'use asm'; return bar; };", { ecmaVersion: 6 });
+            const result = astUtils.getDirectivePrologue(ast.body[0].declarations[0].init);
+
+            assert.strictEqual(result.length, 2);
+            assert.strictEqual(result[0].expression.value, "use strict");
+            assert.strictEqual(result[1].expression.value, "use asm");
+        });
+    });
+
+    {
+        const expectedResults = {
+            5: true,
+            0: true,
+            "5.": false,
+            "5.0": false,
+            "05": false,
+            "0x5": false,
+            "5e0": false,
+            "5e-0": false,
+            "'5'": false
+        };
+
+        describe("isDecimalInteger", () => {
+            Object.keys(expectedResults).forEach(key => {
+                it(`should return ${expectedResults[key]} for ${key}`, () => {
+                    assert.strictEqual(astUtils.isDecimalInteger(espree.parse(key).body[0].expression), expectedResults[key]);
+                });
+            });
+        });
+
+        describe("isDecimalIntegerNumericToken", () => {
+            Object.keys(expectedResults).forEach(key => {
+                it(`should return ${expectedResults[key]} for ${key}`, () => {
+                    assert.strictEqual(astUtils.isDecimalIntegerNumericToken(espree.tokenize(key)[0]), expectedResults[key]);
+                });
+            });
+        });
+    }
+
+    describe("getFunctionNameWithKind", () => {
+        const expectedResults = {
+            "function foo() {}": "function 'foo'",
+            "(function foo() {})": "function 'foo'",
+            "(function() {})": "function",
+            "function* foo() {}": "generator function 'foo'",
+            "(function* foo() {})": "generator function 'foo'",
+            "(function*() {})": "generator function",
+            "() => {}": "arrow function",
+            "async () => {}": "async arrow function",
+            "({ foo: function foo() {} })": "method 'foo'",
+            "({ foo: function() {} })": "method 'foo'",
+            "({ '': function() {} })": "method ''",
+            "({ ['foo']: function() {} })": "method 'foo'",
+            "({ ['']: function() {} })": "method ''",
+            "({ [foo]: function() {} })": "method",
+            "({ foo() {} })": "method 'foo'",
+            "({ foo: function* foo() {} })": "generator method 'foo'",
+            "({ foo: function*() {} })": "generator method 'foo'",
+            "({ ['foo']: function*() {} })": "generator method 'foo'",
+            "({ [foo]: function*() {} })": "generator method",
+            "({ *foo() {} })": "generator method 'foo'",
+            "({ foo: async function foo() {} })": "async method 'foo'",
+            "({ foo: async function() {} })": "async method 'foo'",
+            "({ ['foo']: async function() {} })": "async method 'foo'",
+            "({ [foo]: async function() {} })": "async method",
+            "({ async foo() {} })": "async method 'foo'",
+            "({ get foo() {} })": "getter 'foo'",
+            "({ set foo(a) {} })": "setter 'foo'",
+            "class A { constructor() {} }": "constructor",
+            "class A { foo() {} }": "method 'foo'",
+            "class A { *foo() {} }": "generator method 'foo'",
+            "class A { async foo() {} }": "async method 'foo'",
+            "class A { ['foo']() {} }": "method 'foo'",
+            "class A { *['foo']() {} }": "generator method 'foo'",
+            "class A { async ['foo']() {} }": "async method 'foo'",
+            "class A { [foo]() {} }": "method",
+            "class A { *[foo]() {} }": "generator method",
+            "class A { async [foo]() {} }": "async method",
+            "class A { get foo() {} }": "getter 'foo'",
+            "class A { set foo(a) {} }": "setter 'foo'",
+            "class A { static foo() {} }": "static method 'foo'",
+            "class A { static *foo() {} }": "static generator method 'foo'",
+            "class A { static async foo() {} }": "static async method 'foo'",
+            "class A { static get foo() {} }": "static getter 'foo'",
+            "class A { static set foo(a) {} }": "static setter 'foo'"
+        };
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return "${expectedResults[key]}" for "${key}".`, () => {
+                linter.defineRule("checker", mustCall(() => ({
+                    ":function": mustCall(node => {
+                        assert.strictEqual(
+                            astUtils.getFunctionNameWithKind(node),
+                            expectedResults[key]
+                        );
+                    })
+                })));
+
+                linter.verify(key, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 8 } });
+            });
+        });
+    });
+
+    describe("getFunctionHeadLoc", () => {
+        const expectedResults = {
+            "function foo() {}": [0, 12],
+            "(function foo() {})": [1, 13],
+            "(function() {})": [1, 9],
+            "function* foo() {}": [0, 13],
+            "(function* foo() {})": [1, 14],
+            "(function*() {})": [1, 10],
+            "() => {}": [3, 5],
+            "async () => {}": [9, 11],
+            "({ foo: function foo() {} })": [3, 20],
+            "({ foo: function() {} })": [3, 16],
+            "({ ['foo']: function() {} })": [3, 20],
+            "({ [foo]: function() {} })": [3, 18],
+            "({ foo() {} })": [3, 6],
+            "({ foo: function* foo() {} })": [3, 21],
+            "({ foo: function*() {} })": [3, 17],
+            "({ ['foo']: function*() {} })": [3, 21],
+            "({ [foo]: function*() {} })": [3, 19],
+            "({ *foo() {} })": [3, 7],
+            "({ foo: async function foo() {} })": [3, 26],
+            "({ foo: async function() {} })": [3, 22],
+            "({ ['foo']: async function() {} })": [3, 26],
+            "({ [foo]: async function() {} })": [3, 24],
+            "({ async foo() {} })": [3, 12],
+            "({ get foo() {} })": [3, 10],
+            "({ set foo(a) {} })": [3, 10],
+            "class A { constructor() {} }": [10, 21],
+            "class A { foo() {} }": [10, 13],
+            "class A { *foo() {} }": [10, 14],
+            "class A { async foo() {} }": [10, 19],
+            "class A { ['foo']() {} }": [10, 17],
+            "class A { *['foo']() {} }": [10, 18],
+            "class A { async ['foo']() {} }": [10, 23],
+            "class A { [foo]() {} }": [10, 15],
+            "class A { *[foo]() {} }": [10, 16],
+            "class A { async [foo]() {} }": [10, 21],
+            "class A { get foo() {} }": [10, 17],
+            "class A { set foo(a) {} }": [10, 17],
+            "class A { static foo() {} }": [10, 20],
+            "class A { static *foo() {} }": [10, 21],
+            "class A { static async foo() {} }": [10, 26],
+            "class A { static get foo() {} }": [10, 24],
+            "class A { static set foo(a) {} }": [10, 24]
+        };
+
+        Object.keys(expectedResults).forEach(key => {
+            const expectedLoc = {
+                start: {
+                    line: 1,
+                    column: expectedResults[key][0]
+                },
+                end: {
+                    line: 1,
+                    column: expectedResults[key][1]
+                }
+            };
+
+            it(`should return "${JSON.stringify(expectedLoc)}" for "${key}".`, () => {
+                linter.defineRule("checker", mustCall(() => ({
+                    ":function": mustCall(node => {
+                        assert.deepStrictEqual(
+                            astUtils.getFunctionHeadLoc(node, linter.getSourceCode()),
+                            expectedLoc
+                        );
+                    })
+                })));
+
+                linter.verify(key, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 8 } }, "test.js", true);
+            });
+        });
+    });
+
+    describe("isEmptyBlock", () => {
+        const expectedResults = {
+            "{}": true,
+            "{ a }": false,
+            a: false
+        };
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return ${expectedResults[key]} for ${key}`, () => {
+                const ast = espree.parse(key);
+
+                assert.strictEqual(astUtils.isEmptyBlock(ast.body[0]), expectedResults[key]);
+            });
+        });
+    });
+
+    describe("isEmptyFunction", () => {
+        const expectedResults = {
+            "(function foo() {})": true,
+            "(function foo() { a })": false,
+            "(a) => {}": true,
+            "(a) => { a }": false,
+            "(a) => a": false
+        };
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return ${expectedResults[key]} for ${key}`, () => {
+                const ast = espree.parse(key, { ecmaVersion: 6 });
+
+                assert.strictEqual(astUtils.isEmptyFunction(ast.body[0].expression), expectedResults[key]);
+            });
+        });
+    });
+
+    describe("getNextLocation", () => {
+        const code = "foo;\n";
+        const ast = espree.parse(code, ESPREE_CONFIG);
+        const sourceCode = new SourceCode(code, ast);
+
+        it("should handle normal case", () => {
+            assert.deepStrictEqual(
+                astUtils.getNextLocation(
+                    sourceCode,
+                    { line: 1, column: 0 }
+                ),
+                { line: 1, column: 1 }
+            );
+        });
+
+        it("should handle linebreaks", () => {
+            assert.deepStrictEqual(
+                astUtils.getNextLocation(
+                    sourceCode,
+                    { line: 1, column: 4 }
+                ),
+                { line: 2, column: 0 }
+            );
+        });
+
+        it("should return null when result is out of bound", () => {
+            assert.strictEqual(
+                astUtils.getNextLocation(
+                    sourceCode,
+                    { line: 2, column: 0 }
+                ),
+                null
+            );
+        });
+    });
+
+    describe("getParenthesisedText", () => {
+        const expectedResults = {
+            "(((foo))); bar;": "(((foo)))",
+            "(/* comment */(((foo.bar())))); baz();": "(/* comment */(((foo.bar()))))",
+            "(foo, bar)": "(foo, bar)"
+        };
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return ${expectedResults[key]} for ${key}`, () => {
+                const ast = espree.parse(key, { tokens: true, comment: true, range: true, loc: true });
+                const sourceCode = new SourceCode(key, ast);
+
+                assert.strictEqual(astUtils.getParenthesisedText(sourceCode, ast.body[0].expression), expectedResults[key]);
+            });
+        });
+    });
+
+    describe("couldBeError", () => {
+        const EXPECTED_RESULTS = {
+            5: false,
+            null: false,
+            true: false,
+            "'foo'": false,
+            "`foo`": false,
+            foo: true,
+            "new Foo": true,
+            "Foo()": true,
+            "foo`bar`": true,
+            "foo.bar": true,
+            "(foo = bar)": true,
+            "(foo = 1)": false,
+            "(1, 2, 3)": false,
+            "(foo, 2, 3)": false,
+            "(1, 2, foo)": true,
+            "1 && 2": false,
+            "1 && foo": true,
+            "foo && 2": true,
+            "foo ? 1 : 2": false,
+            "foo ? bar : 2": true,
+            "foo ? 1 : bar": true,
+            "[1, 2, 3]": false,
+            "({ foo: 1 })": false
+        };
+
+        Object.keys(EXPECTED_RESULTS).forEach(key => {
+            it(`returns ${EXPECTED_RESULTS[key]} for ${key}`, () => {
+                const ast = espree.parse(key, { ecmaVersion: 6 });
+
+                assert.strictEqual(astUtils.couldBeError(ast.body[0].expression), EXPECTED_RESULTS[key]);
+            });
+        });
+    });
+
+    describe("isArrowToken", () => {
+        const code = "() => 5";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, true, false];
+
+        tokens.forEach((token, index) => {
+            it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                assert.strictEqual(astUtils.isArrowToken(token), expected[index]);
+            });
+        });
+    });
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, false, false, false, false, false, false, false, true];
+
+        describe("isClosingBraceToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isClosingBraceToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotClosingBraceToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotClosingBraceToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, false, false, false, true, false, false, false, false];
+
+        describe("isClosingBracketToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isClosingBracketToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotClosingBracketToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotClosingBracketToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, true, false, false, false, false, false, false, true, false, false];
+
+        describe("isClosingParenToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isClosingParenToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotClosingParenToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotClosingParenToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "const obj = {foo: 1, bar: 2};";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, true, false, false, false, true, false, false, false];
+
+        describe("isColonToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isColonToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotColonToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotColonToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "const obj = {foo: 1, bar: 2};";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, true, false, false, false, false, false];
+
+        describe("isCommaToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isCommaToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotCommaToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotCommaToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "const obj = {foo: 1.5, bar: a.b};";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, false, false, false, false, true, false, false, false];
+
+        describe("isDotToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isDotToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotDotToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${!expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotDotToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    describe("isCommentToken", () => {
+        const code = "const obj = /*block*/ {foo: 1, bar: 2}; //line";
+        const ast = espree.parse(code, { ecmaVersion: 6, tokens: true, comment: true });
+
+        ast.tokens.forEach(token => {
+            it(`should return false for '${token.value}'.`, () => {
+                assert.strictEqual(astUtils.isCommentToken(token), false);
+            });
+        });
+        ast.comments.forEach(comment => {
+            it(`should return true for '${comment.value}'.`, () => {
+                assert.strictEqual(astUtils.isCommentToken(comment), true);
+            });
+        });
+    });
+
+    describe("isKeywordToken", () => {
+        const code = "const obj = {foo: 1, bar: 2};";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [true, false, false, false, false, false, false, false, false, false, false, false, false];
+
+        tokens.forEach((token, index) => {
+            it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                assert.strictEqual(astUtils.isKeywordToken(token), expected[index]);
+            });
+        });
+    });
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, true, false, false, false, false, false, false, false, false];
+
+        describe("isOpeningBraceToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isOpeningBraceToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotOpeningBraceToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotOpeningBraceToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, false, true, false, false, false, false, false, false];
+
+        describe("isOpeningBracketToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isOpeningBracketToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotOpeningBracketToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotOpeningBracketToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, true, false, false, false, false, false, false, false, false, false, true, false, false, false];
+
+        describe("isOpeningParenToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isOpeningParenToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotOpeningParenToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotOpeningParenToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    {
+        const code = "if (obj && foo) { obj[foo](); }";
+        const tokens = espree.parse(code, { ecmaVersion: 6, tokens: true }).tokens;
+        const expected = [false, false, false, false, false, false, false, false, false, false, false, false, false, true, false];
+
+        describe("isSemicolonToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isSemicolonToken(token), expected[index]);
+                });
+            });
+        });
+
+        describe("isNotSemicolonToken", () => {
+            tokens.forEach((token, index) => {
+                it(`should return ${expected[index]} for '${token.value}'.`, () => {
+                    assert.strictEqual(astUtils.isNotSemicolonToken(token), !expected[index]);
+                });
+            });
+        });
+    }
+
+    describe("isNullLiteral", () => {
+        const EXPECTED_RESULTS = {
+            null: true,
+            "/abc/u": false,
+            5: false,
+            true: false,
+            "'null'": false,
+            foo: false
+        };
+
+        Object.keys(EXPECTED_RESULTS).forEach(key => {
+            it(`returns ${EXPECTED_RESULTS[key]} for ${key}`, () => {
+                const ast = espree.parse(key, { ecmaVersion: 6 });
+
+                assert.strictEqual(astUtils.isNullLiteral(ast.body[0].expression), EXPECTED_RESULTS[key]);
+            });
+        });
+    });
+
+    describe("createGlobalLinebreakMatcher", () => {
+        it("returns a regular expression with the g flag", () => {
+            assert.instanceOf(astUtils.createGlobalLinebreakMatcher(), RegExp);
+            assert(astUtils.createGlobalLinebreakMatcher().toString().endsWith("/gu"));
+        });
+        it("returns unique objects on each call", () => {
+            const firstObject = astUtils.createGlobalLinebreakMatcher();
+            const secondObject = astUtils.createGlobalLinebreakMatcher();
+
+            assert.notStrictEqual(firstObject, secondObject);
+        });
+        describe("correctly matches linebreaks", () => {
+            const LINE_COUNTS = {
+                foo: 1,
+                "foo\rbar": 2,
+                "foo\n": 2,
+                "foo\nbar": 2,
+                "foo\r\nbar": 2,
+                "foo\r\u2028bar": 3,
+                "foo\u2029bar": 2
+            };
+
+            Object.keys(LINE_COUNTS).forEach(text => {
+                it(text, () => {
+                    assert.strictEqual(text.split(astUtils.createGlobalLinebreakMatcher()).length, LINE_COUNTS[text]);
+                });
+            });
+        });
+    });
+
+    describe("canTokensBeAdjacent", () => {
+        const CASES = new Map([
+            [["foo", "bar"], false],
+            [[";foo", "bar"], false],
+            [[";", "bar"], true],
+            [[")", "bar"], true],
+            [["foo0", "bar"], false],
+            [["foo;", "bar"], true],
+            [["foo", "0"], false],
+            [["of", ".2"], true],
+            [["2", ".2"], false],
+            [["of", "'foo'"], true],
+            [["foo", "`bar`"], true],
+            [["`foo`", "in"], true],
+            [["of", "0.2"], false],
+            [["of", "0."], false],
+            [[".2", "foo"], false],
+            [["2.", "foo"], false],
+            [["+", "-"], true],
+            [["++", "-"], true],
+            [["+", "--"], true],
+            [["++", "--"], true],
+            [["-", "+"], true],
+            [["--", "+"], true],
+            [["-", "++"], true],
+            [["--", "++"], true],
+            [["+", "+"], false],
+            [["-", "-"], false],
+            [["++", "+"], false],
+            [["--", "-"], false],
+            [["+", "++"], false],
+            [["-", "--"], false],
+            [["a/", "b"], true],
+            [["a/", "+b"], true],
+            [["a+", "/^regex$/"], true],
+            [["a/", "/^regex$/"], false],
+            [["a+", "/**/b"], true],
+            [["a/", "/**/b"], false],
+            [["a+", "//\nb"], true],
+            [["a/", "//\nb"], false],
+            [["a/**/", "b"], true],
+            [["/**/a", "b"], false],
+            [["a", "/**/b"], true],
+            [["a", "b/**/"], false],
+            [["a", "//\nb"], true],
+            [["a", "b//"], false],
+            [["#!/usr/bin/env node", "("], false],
+            [["123invalidtoken", "("], false],
+            [["(", "123invalidtoken"], false],
+            [["(", "1n"], true],
+            [["1n", "+"], true],
+            [["1n", "in"], false]
+        ]);
+
+        CASES.forEach((expectedResult, tokenStrings) => {
+            it(tokenStrings.join(", "), () => {
+                assert.strictEqual(astUtils.canTokensBeAdjacent(tokenStrings[0], tokenStrings[1]), expectedResult);
+            });
+        });
+
+        it("#!/usr/bin/env node, (", () => {
+            assert.strictEqual(
+                astUtils.canTokensBeAdjacent(
+                    { type: "Shebang", value: "#!/usr/bin/env node" },
+                    { type: "Punctuator", value: "(" }
+                ),
+                false
+            );
+        });
+    });
+
+    describe("equalTokens", () => {
+        it("should return true if tokens are equal", () => {
+            const code = "a=0;a=0;";
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+
+            assert.strictEqual(astUtils.equalTokens(ast.body[0], ast.body[1], sourceCode), true);
+        });
+
+        it("should return false if tokens are not equal", () => {
+            const code = "a=0;a=1;";
+            const ast = espree.parse(code, ESPREE_CONFIG);
+            const sourceCode = new SourceCode(code, ast);
+
+            assert.strictEqual(astUtils.equalTokens(ast.body[0], ast.body[1], sourceCode), false);
+        });
+    });
+
+    describe("hasOctalEscapeSequence", () => {
+
+        /* eslint-disable quote-props */
+        const expectedResults = {
+            "\\1": true,
+            "\\2": true,
+            "\\7": true,
+            "\\00": true,
+            "\\01": true,
+            "\\02": true,
+            "\\07": true,
+            "\\08": true,
+            "\\09": true,
+            "\\10": true,
+            "\\12": true,
+            " \\1": true,
+            "\\1 ": true,
+            "a\\1": true,
+            "\\1a": true,
+            "a\\1a": true,
+            " \\01": true,
+            "\\01 ": true,
+            "a\\01": true,
+            "\\01a": true,
+            "a\\01a": true,
+            "a\\08a": true,
+            "\\0\\1": true,
+            "\\0\\01": true,
+            "\\0\\08": true,
+            "\\n\\1": true,
+            "\\n\\01": true,
+            "\\n\\08": true,
+            "\\\\\\1": true,
+            "\\\\\\01": true,
+            "\\\\\\08": true,
+
+            "\\0": false,
+            "\\8": false,
+            "\\9": false,
+            " \\0": false,
+            "\\0 ": false,
+            "a\\0": false,
+            "\\0a": false,
+            "a\\8a": false,
+            "\\0\\8": false,
+            "\\8\\0": false,
+            "\\80": false,
+            "\\81": false,
+            "\\\\": false,
+            "\\\\0": false,
+            "\\\\01": false,
+            "\\\\08": false,
+            "\\\\1": false,
+            "\\\\12": false,
+            "\\\\\\0": false,
+            "\\\\\\8": false,
+            "\\0\\\\": false,
+            "0": false,
+            "1": false,
+            "8": false,
+            "01": false,
+            "08": false,
+            "80": false,
+            "12": false,
+            "\\a": false,
+            "\\n": false
+        };
+        /* eslint-enable quote-props */
+
+        Object.keys(expectedResults).forEach(key => {
+            it(`should return ${expectedResults[key]} for ${key}`, () => {
+                const ast = espree.parse(`"${key}"`);
+
+                assert.strictEqual(astUtils.hasOctalEscapeSequence(ast.body[0].expression.raw), expectedResults[key]);
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/rules/utils/fix-tracker.js b/eslint/tests/lib/rules/utils/fix-tracker.js
new file mode 100644
index 0000000..33fe23e
--- /dev/null
+++ b/eslint/tests/lib/rules/utils/fix-tracker.js
@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Tests for FixTracker.
+ * @author Alan Pierce
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    espree = require("espree"),
+    FixTracker = require("../../../../lib/rules/utils/fix-tracker"),
+    ruleFixer = require("../../../../lib/linter/rule-fixer"),
+    { SourceCode } = require("../../../../lib/source-code"),
+    Traverser = require("../../../../lib/shared/traverser");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_CONFIG = {
+    ecmaVersion: 6,
+    comment: true,
+    tokens: true,
+    range: true,
+    loc: true
+};
+
+/**
+ * Create a SourceCode instance from the given code. Also add parent pointers in
+ * the AST so that parent traversals will work.
+ * @param {string} text The text of the code.
+ * @returns {SourceCode} The SourceCode.
+ */
+function createSourceCode(text) {
+    const ast = espree.parse(text, DEFAULT_CONFIG);
+
+    Traverser.traverse(ast, {
+        enter(node, parent) {
+            node.parent = parent;
+        }
+    });
+
+    return new SourceCode(text, ast);
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("FixTracker", () => {
+    describe("replaceTextRange", () => {
+        it("should expand to include an explicitly retained range", () => {
+            const sourceCode = createSourceCode("var foo = +bar;");
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainRange([4, 14])
+                .replaceTextRange([10, 11], "-");
+
+            assert.deepStrictEqual(result, {
+                range: [4, 14],
+                text: "foo = -bar"
+            });
+        });
+
+        it("ignores a retained range that's smaller than the replaced range", () => {
+            const sourceCode = createSourceCode("abcdefghij");
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainRange([5, 7])
+                .replaceTextRange([4, 8], "123");
+
+            assert.deepStrictEqual(result, {
+                range: [4, 8],
+                text: "123"
+            });
+        });
+
+        it("allows an unspecified retained range", () => {
+            const sourceCode = createSourceCode("abcdefghij");
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .replaceTextRange([4, 8], "123");
+
+            assert.deepStrictEqual(result, {
+                range: [4, 8],
+                text: "123"
+            });
+        });
+    });
+
+    describe("remove", () => {
+        it("should expand to include an explicitly retained range", () => {
+            const sourceCode = createSourceCode("a = b + +c");
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainRange([4, 10])
+                .remove(sourceCode.ast.tokens[4]);
+
+            assert.deepStrictEqual(result, {
+                range: [4, 10],
+                text: "b + c"
+            });
+        });
+    });
+
+    describe("retainEnclosingFunction", () => {
+        it("handles a normal enclosing function", () => {
+            const sourceCode = createSourceCode("f = function() { return x; }");
+            const xNode = sourceCode.ast.body[0].expression.right.body.body[0].argument;
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainEnclosingFunction(xNode)
+                .replaceTextRange(xNode.range, "y");
+
+            assert.deepStrictEqual(result, {
+                range: [4, 28],
+                text: "function() { return y; }"
+            });
+        });
+
+        it("handles the case when there is no enclosing function", () => {
+            const sourceCode = createSourceCode("const a = b;");
+            const bNode = sourceCode.ast.body[0].declarations[0].init;
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainEnclosingFunction(bNode)
+                .replaceTextRange(bNode.range, "c");
+
+            assert.deepStrictEqual(result, {
+                range: [0, 12],
+                text: "const a = c;"
+            });
+        });
+    });
+
+    describe("retainSurroungingTokens", () => {
+        it("handles a change to a binary operator", () => {
+            const sourceCode = createSourceCode("const i = j + k;");
+            const plusToken = sourceCode.ast.tokens[4];
+            const result = new FixTracker(ruleFixer, sourceCode)
+                .retainSurroundingTokens(plusToken)
+                .replaceTextRange(plusToken.range, "*");
+
+            assert.deepStrictEqual(result, {
+                range: [10, 15],
+                text: "j * k"
+            });
+        });
+    });
+});
diff --git a/eslint/tests/lib/rules/valid-jsdoc.js b/eslint/tests/lib/rules/valid-jsdoc.js
new file mode 100644
index 0000000..3b9d9d0
--- /dev/null
+++ b/eslint/tests/lib/rules/valid-jsdoc.js
@@ -0,0 +1,2116 @@
+/**
+ * @fileoverview Validates JSDoc comments are syntactically correct
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/valid-jsdoc"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("valid-jsdoc", rule, {
+
+    valid: [
+        "/**\n* Description\n * @param {Object[]} screenings Array of screenings.\n * @param {Number} screenings[].timestamp its a time stamp \n @return {void} */\nfunction foo(){}",
+        "/**\n* Description\n */\nvar x = new Foo(function foo(){})",
+        "/**\n* Description\n* @returns {void} */\nfunction foo(){}",
+        "/**\n* Description\n* @returns {undefined} */\nfunction foo(){}",
+        "/**\n* Description\n* @alias Test#test\n* @returns {void} */\nfunction foo(){}",
+        "/**\n* Description\n*@extends MyClass\n* @returns {void} */\nfunction foo(){}",
+        "/**\n* Description\n* @constructor */\nfunction Foo(){}",
+        "/**\n* Description\n* @class */\nfunction Foo(){}",
+        "/**\n* Description\n* @param {string} p bar\n* @returns {string} desc */\nfunction foo(p){}",
+        "/**\n* Description\n* @arg {string} p bar\n* @returns {string} desc */\nfunction foo(p){}",
+        "/**\n* Description\n* @argument {string} p bar\n* @returns {string} desc */\nfunction foo(p){}",
+        "/**\n* Description\n* @param {string} [p] bar\n* @returns {string} desc */\nfunction foo(p){}",
+        "/**\n* Description\n* @param {Object} p bar\n* @param {string} p.name bar\n* @returns {string} desc */\nFoo.bar = function(p){};",
+        "(function(){\n/**\n* Description\n* @param {string} p bar\n* @returns {string} desc */\nfunction foo(p){}\n}())",
+        "var o = {\n/**\n* Description\n* @param {string} p bar\n* @returns {string} desc */\nfoo: function(p){}\n};",
+        "/**\n* Description\n* @param {Object} p bar\n* @param {string[]} p.files qux\n* @param {Function} cb baz\n* @returns {void} */\nfunction foo(p, cb){}",
+        "/**\n* Description\n* @override */\nfunction foo(arg1, arg2){ return ''; }",
+        "/**\n* Description\n* @inheritdoc */\nfunction foo(arg1, arg2){ return ''; }",
+        "/**\n* Description\n* @inheritDoc */\nfunction foo(arg1, arg2){ return ''; }",
+        "/**\n* Description\n* @Returns {void} */\nfunction foo(){}",
+        {
+            code:
+                "call(\n" +
+                "  /**\n" +
+                "   * Doc for a function expression in a call expression.\n" +
+                "   * @param {string} argName This is the param description.\n" +
+                "   * @return {string} This is the return description.\n" +
+                "   */\n" +
+                "  function(argName) {\n" +
+                "    return 'the return';\n" +
+                "  }\n" +
+                ");\n",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+                "/**\n" +
+                "* Create a new thing.\n" +
+                "*/\n" +
+                "var thing = new Thing({\n" +
+                "  foo: function() {\n" +
+                "    return 'bar';\n" +
+                "  }\n" +
+                "});\n",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+                "/**\n" +
+                "* Create a new thing.\n" +
+                "*/\n" +
+                "var thing = new Thing({\n" +
+                "  /**\n" +
+                "   * @return {string} A string.\n" +
+                "   */\n" +
+                "  foo: function() {\n" +
+                "    return 'bar';\n" +
+                "  }\n" +
+                "});\n",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @return {void} */\nfunction foo(){}",
+            options: [{}]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p bar\n*/\nFoo.bar = (p) => {};",
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p bar\n*/\nFoo.bar = function({p}){};",
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p bar\n*/\nFoo.bar = function(p){};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n*/\nFoo.bar = function(p){var t = function(){return p;}};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n*/\nFoo.bar = function(p){function func(){return p;}};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n*/\nFoo.bar = function(p){var t = false; if(t){ return; }};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n* @returns {void} */\nFoo.bar = function(p){var t = false; if(t){ return; }};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n*/\nFoo.bar = function(p){var t = function(){function name(){return p;}}};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n*/\nFoo.bar = function(p){var t = function(){function name(){}; return name;}};",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p\n* @returns {void}*/\nFoo.bar = function(p){var t = function(){function name(){}; return name;}};",
+            options: [{ requireParamDescription: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} p mytest\n* @returns {Object}*/\nFoo.bar = function(p){return name;};",
+            options: [{ requireReturnDescription: false }]
+        },
+        "var obj = {\n /**\n * Getter\n * @type {string}\n */\n get location() {\n return this._location;\n }\n }",
+        "var obj = {\n /**\n * Setter\n * @param {string} value The location\n */\n set location(value) {\n this._location = value;\n }\n }",
+        {
+            code: "/**\n * Description for A.\n */\n class A {\n /**\n * Description for constructor.\n * @param {object[]} xs - xs\n */\n constructor(xs) {\n /**\n * Description for this.xs;\n * @type {object[]}\n */\n this.xs = xs.filter(x => x != null);\n }\n}",
+            options: [{ requireReturn: false }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "/** @returns {object} foo */ var foo = () => bar();",
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/** @returns {object} foo */ var foo = () => { return bar(); };",
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/** foo */ var foo = () => { bar(); };",
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "/**\n* Start with caps and end with period.\n* @return {void} */\nfunction foo(){}",
+            options: [{
+                matchDescription: "^[A-Z][A-Za-z0-9\\s]*[.]$"
+            }]
+        },
+        {
+            code: "/** Foo \n@return {void} Foo\n */\nfunction foo(){}",
+            options: [{ prefer: { return: "return" } }]
+        },
+        {
+            code: "/** Foo \n@return Foo\n */\nfunction foo(){}",
+            options: [{ requireReturnType: false }]
+        },
+        {
+            code: "/**\n* Description\n* @param p bar\n* @returns {void}*/\nFoo.bar = function(p){var t = function(){function name(){}; return name;}};",
+            options: [{ requireParamType: false }]
+        },
+        {
+            code:
+                "/**\n" +
+                " * A thing interface. \n" +
+                " * @interface\n" +
+                " */\n" +
+                "function Thing() {}",
+            options: [{ requireReturn: true }]
+        },
+
+        // classes
+        {
+            code:
+                "/**\n" +
+                " * Description for A.\n" +
+                " */\n" +
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            options: [{ requireReturn: true }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code:
+            "/**\n" +
+            " * Description for A.\n" +
+            " */\n" +
+            "class A {\n" +
+            "    /**\n" +
+            "     * Description for method.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    print(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "}",
+            options: [{ requireReturn: false }],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code:
+                "/**\n" +
+                " * Description for A.\n" +
+                " */\n" +
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     * @returns {void}\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "    /**\n" +
+                "     * Description for method.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     * @returns {void}\n" +
+                "     */\n" +
+                "    print(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            options: [],
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+
+
+        {
+            code:
+                "/**\n" +
+                " * Use of this with a 'namepath'.\n" +
+                " * @this some.name\n" +
+                " */\n" +
+                "function foo() {}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Use of this with a type expression.\n" +
+                " * @this {some.name}\n" +
+                " */\n" +
+                "function foo() {}",
+            options: [{ requireReturn: false }]
+        },
+
+        // async function
+        {
+            code:
+              "/**\n" +
+              " * An async function. Options requires return.\n" +
+              " * @returns {Promise} that is empty\n" +
+              " */\n" +
+              "async function a() {}",
+            options: [{ requireReturn: true }],
+            parserOptions: {
+                ecmaVersion: 2017
+            }
+        },
+        {
+            code:
+              "/**\n" +
+              " * An async function. Options do not require return.\n" +
+              " * @returns {Promise} that is empty\n" +
+              " */\n" +
+              "async function a() {}",
+            options: [{ requireReturn: false }],
+            parserOptions: {
+                ecmaVersion: 2017
+            }
+        },
+        {
+            code:
+              "/**\n" +
+              " * An async function. Options do not require return.\n" +
+              " */\n" +
+              "async function a() {}",
+            options: [{ requireReturn: false }],
+            parserOptions: {
+                ecmaVersion: 2017
+            }
+        },
+
+        // type validations
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<*>} hi - desc\n" +
+            "* @returns {*} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    Astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {string} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    Astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{20:string}} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{String:foo}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {String|number|Test} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    test: "Test"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<string>} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            " * Test dash and slash.\n" +
+            " * @extends module:stb/emitter~Emitter\n" +
+            " */\n" +
+            "function foo() {}",
+            options: [{
+                requireReturn: false
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            " * Test dash and slash.\n" +
+            " * @requires module:config\n" +
+            " * @requires module:modules/notifications\n" +
+            " */\n" +
+            "function foo() {}",
+            options: [{
+                requireReturn: false
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            " * Foo\n" +
+            " * @module module-name\n" +
+            " */\n" +
+            "function foo() {}",
+            options: [{
+                requireReturn: false
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            " * Foo\n" +
+            " * @alias module:module-name\n" +
+            " */\n" +
+            "function foo() {}",
+            options: [{
+                requireReturn: false
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<string>} hi - desc\n" +
+            "* @returns {Array.<string|number>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<string|number>} hi - desc\n" +
+            "* @returns {Array.<string>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<{id: number, votes: number}>} hi - desc\n" +
+            "* @returns {Array.<{summary: string}>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<[string, number]>} hi - desc\n" +
+            "* @returns {Array.<[string, string]>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Object<string,Object<string, number>>} hi - because why not\n" +
+            "* @returns {Boolean} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string"
+                }
+            }]
+        },
+        {
+            code: "/**\n* Description\n* @param {string} a bar\n* @returns {string} desc */\nfunction foo(a = 1){}",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        {
+            code: "/**\n* Description\n* @param {string} b bar\n* @param {string} a bar\n* @returns {string} desc */\nfunction foo(b, a = 1){}",
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+
+        // abstract
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @abstract\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(){ throw new Error('Not Implemented'); }",
+            options: [{ requireReturn: false }]
+        },
+
+        // https://github.com/eslint/eslint/issues/9412 - different orders for jsodc tags
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @returns {Number} desc\n" +
+            "* @class \n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @returns {Number} desc\n" +
+            "* @class \n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @argument {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @returns {Number} desc\n" +
+            "* @class \n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @argument {string} hi - desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @class \n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @class \n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @constructor\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @constructor\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @class\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @inheritdoc\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @class \n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor\n" +
+            "* @override\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "* @override\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @override\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor\n" +
+            "* @inheritdoc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "* @inheritdoc\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @inheritdoc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor\n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @abstract\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @interface\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor\n" +
+            "* @override\n" +
+            "* @virtual\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @interface\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "* @override\n" +
+            "* @virtual\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @virtual\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @param {string} hi - desc\n" +
+            "* @return {Number} desc\n" +
+            "* @constructor \n" +
+            "* @override\n" +
+            "* @abstract\n" +
+            "* @interface\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @arg {string} hi - desc\n" +
+            "* @returns {Number} desc\n" +
+            "* @class\n" +
+            "* @override\n" +
+            "* @virtual\n" +
+            "* @interface\n" +
+            "*/\n" +
+            "function foo(hi){ return 1; }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @argument {string} hi - desc\n" +
+            "* @interface\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @virtual\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(){ throw new Error('Not Implemented'); }",
+            options: [{ requireReturn: false }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @abstract\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(){ throw new Error('Not Implemented'); }",
+            options: [{ requireReturn: true }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Description\n" +
+            "* @abstract\n" +
+            "* @returns {Number} desc\n" +
+            "*/\n" +
+            "function foo(){}",
+            options: [{ requireReturn: true }]
+        },
+        {
+            code: [
+                "/**",
+                " * @param {string} a - a.",
+                " * @param {object} [obj] - obj.",
+                " * @param {string} obj.b - b.",
+                " * @param {string} obj.c - c.",
+                " * @returns {void}",
+                " */",
+                "function foo(a, {b, c} = {}) {",
+                "    // empty",
+                "}"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: [
+                "/**",
+                " * @param {string} a - a.",
+                " * @param {any[]} [list] - list.",
+                " * @returns {void}",
+                " */",
+                "function foo(a, [b, c] = []) {",
+                "    // empty",
+                "}"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 }
+        },
+
+        // https://github.com/eslint/eslint/issues/7184
+        "/**\n" +
+            "* Foo\n" +
+            "* @param {{foo}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+        "/**\n" +
+            "* Foo\n" +
+            "* @param {{foo:String, bar, baz:Array}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{String}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{foo:string, astnode:Object, bar}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }]
+        }
+    ],
+
+    invalid: [
+        {
+            code:
+                "call(\n" +
+                "  /**\n" +
+                "   * Doc for a function expression in a call expression.\n" +
+                "   * @param {string} bogusName This is the param description.\n" +
+                "   * @return {string} This is the return description.\n" +
+                "   */\n" +
+                "  function(argName) {\n" +
+                "    return 'the return';\n" +
+                "  }\n" +
+                ");\n",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "expected",
+                data: { name: "argName", jsdocName: "bogusName" },
+                type: "Block",
+                line: 4,
+                column: 6,
+                endLine: 4,
+                endColumn: 62
+            }]
+        },
+        {
+            code: "/** @@foo */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "syntaxError",
+                type: "Block"
+            }]
+        },
+        {
+            code:
+                "/**\n" +
+                "* Create a new thing.\n" +
+                "*/\n" +
+                "var thing = new Thing({\n" +
+                "  /**\n" +
+                "   * Missing return tag.\n" +
+                "   */\n" +
+                "  foo: function() {\n" +
+                "    return 'bar';\n" +
+                "  }\n" +
+                "});\n",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** @@returns {void} Foo */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "syntaxError",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@returns {void Foo\n */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingBrace",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@return {void} Foo\n */\nfunction foo(){}",
+            output: "/** Foo \n@returns {void} Foo\n */\nfunction foo(){}",
+            options: [{ prefer: { return: "returns" } }],
+            errors: [{
+                messageId: "use",
+                data: { name: "returns" },
+                type: "Block",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 8
+            }]
+        },
+        {
+            code: "/** Foo \n@argument {int} bar baz\n */\nfunction foo(bar){}",
+            output: "/** Foo \n@arg {int} bar baz\n */\nfunction foo(bar){}",
+            options: [{ prefer: { argument: "arg" } }],
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "use",
+                data: { name: "arg" },
+                type: "Block",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "/** Foo \n */\nfunction foo(){}",
+            output: null,
+            options: [{ prefer: { returns: "return" } }],
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "return" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@return {void} Foo\n */\nfoo.bar = () => {}",
+            output: "/** Foo \n@returns {void} Foo\n */\nfoo.bar = () => {}",
+            options: [{ prefer: { return: "returns" } }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "use",
+                data: { name: "returns" },
+                type: "Block",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 8
+            }]
+        },
+        {
+            code: "/** Foo \n@param {void Foo\n */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingBrace",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@param {} p Bar\n */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "syntaxError",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@param {void Foo */\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingBrace",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo\n* @param p Desc \n*/\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "missingParamType",
+                data: { name: "p" },
+                type: "Block",
+                line: 2,
+                column: 3,
+                endLine: 2,
+                endColumn: 16
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} p \n*/\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "missingParamDesc",
+                data: { name: "p" },
+                type: "Block",
+                line: 3,
+                column: 3,
+                endLine: 3,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} p \n*/\nvar foo = function(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "missingParamDesc",
+                data: { name: "p" },
+                type: "Block",
+                line: 3,
+                column: 3,
+                endLine: 3,
+                endColumn: 20
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} p \n*/\nvar foo = \nfunction(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "missingParamDesc",
+                data: { name: "p" },
+                type: "Block",
+                line: 3,
+                column: 3,
+                endLine: 3,
+                endColumn: 20
+            }]
+        },
+        {
+            code:
+            "/**\n" +
+            " * Description for a\n" +
+            " */\n" +
+            "var A = \n" +
+            "  class {\n" +
+            "    /**\n" +
+            "     * Description for method.\n" +
+            "     * @param {object[]} xs - xs\n" +
+            "     */\n" +
+            "    print(xs) {\n" +
+            "        this.a = xs;" +
+            "    }\n" +
+            "};",
+            output: null,
+            options: [{
+                requireReturn: true,
+                matchDescription: "^[A-Z][A-Za-z0-9\\s]*[.]$"
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unsatisfiedDesc",
+                    type: "Block"
+                },
+                {
+                    messageId: "missingReturn",
+                    data: { returns: "returns" },
+                    type: "Block"
+                }
+            ]
+        },
+        {
+            code: "/**\n* Foo\n* @returns {string} \n*/\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturnDesc",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @returns {string} something \n*/\nfunction foo(p){}",
+            output: null,
+            errors: [{
+                messageId: "missingParam",
+                data: { name: "p" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @returns {string} something \n*/\nvar foo = \nfunction foo(a = 1){}",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingParam",
+                data: { name: "a" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} a Description \n* @param {string} b Description \n* @returns {string} something \n*/\nvar foo = \nfunction foo(b, a = 1){}",
+            output: null,
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "expected",
+                data: { name: "b", jsdocName: "a" },
+                type: "Block",
+                line: 3,
+                column: 3,
+                endLine: 3,
+                endColumn: 32
+            },
+            {
+                messageId: "expected",
+                data: { name: "a", jsdocName: "b" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 32
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} p desc\n* @param {string} p desc \n*/\nfunction foo(){}",
+            output: null,
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }, {
+                messageId: "duplicateParam",
+                data: { name: "p" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} a desc\n@returns {void}*/\nfunction foo(b){}",
+            output: null,
+            errors: [{
+                messageId: "expected",
+                data: { name: "b", jsdocName: "a" },
+                type: "Block",
+                line: 3,
+                column: 3,
+                endLine: 3,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @override\n* @param {string} a desc\n */\nfunction foo(b){}",
+            output: null,
+            errors: [{
+                messageId: "expected",
+                data: { name: "b", jsdocName: "a" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @inheritdoc\n* @param {string} a desc\n */\nfunction foo(b){}",
+            output: null,
+            errors: [{
+                messageId: "expected",
+                data: { name: "b", jsdocName: "a" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 25
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} a desc\n*/\nfunction foo(a){var t = false; if(t) {return t;}}",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} a desc\n*/\nfunction foo(a){var t = false; if(t) {return null;}}",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/**\n* Foo\n* @param {string} a desc\n@returns {MyClass}*/\nfunction foo(a){var t = false; if(t) {process(t);}}",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "unexpectedTag",
+                data: { title: "returns" },
+                type: "Block",
+                line: 4,
+                column: 1,
+                endLine: 4,
+                endColumn: 19
+            }]
+        },
+        {
+            code: "/**\n * Does something. \n* @param {string} a - this is a \n* @return {Array<number>} The result of doing it \n*/\n export function doSomething(a) { }",
+            output: "/**\n * Does something. \n* @param {string} a - this is a \n* @returns {Array<number>} The result of doing it \n*/\n export function doSomething(a) { }",
+            options: [{ prefer: { return: "returns" } }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "use",
+                data: { name: "returns" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "/**\n * Does something. \n* @param {string} a - this is a \n* @return {Array<number>} The result of doing it \n*/\n export default function doSomething(a) { }",
+            output: "/**\n * Does something. \n* @param {string} a - this is a \n* @returns {Array<number>} The result of doing it \n*/\n export default function doSomething(a) { }",
+            options: [{ prefer: { return: "returns" } }],
+            parserOptions: { ecmaVersion: 6, sourceType: "module" },
+            errors: [{
+                messageId: "use",
+                data: { name: "returns" },
+                type: "Block",
+                line: 4,
+                column: 3,
+                endLine: 4,
+                endColumn: 10
+            }]
+        },
+        {
+            code: "/** foo */ var foo = () => bar();",
+            output: null,
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** foo */ var foo = () => { return bar(); };",
+            output: null,
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** @returns {object} foo */ var foo = () => { bar(); };",
+            output: null,
+            options: [{ requireReturn: false }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "unexpectedTag",
+                data: { title: "returns" },
+                type: "Block",
+                line: 1,
+                column: 5,
+                endLine: 1,
+                endColumn: 26
+            }]
+        },
+        {
+            code: "/**\n* @param fields [Array]\n */\n function foo(){}",
+            output: null,
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { returns: "returns" },
+                    type: "Block"
+                },
+                {
+                    messageId: "missingParamType",
+                    data: { name: "fields" },
+                    type: "Block",
+                    line: 2,
+                    column: 3,
+                    endLine: 2,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code: "/**\n* Start with caps and end with period\n* @return {void} */\nfunction foo(){}",
+            output: null,
+            options: [{
+                matchDescription: "^[A-Z][A-Za-z0-9\\s]*[.]$"
+            }],
+            errors: [{
+                messageId: "unsatisfiedDesc",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@return Foo\n */\nfunction foo(){}",
+            output: null,
+            options: [{ prefer: { return: "return" } }],
+            errors: [{
+                messageId: "missingReturnType",
+                type: "Block"
+            }]
+        },
+        {
+            code: "/** Foo \n@return sdf\n */\nfunction foo(){}",
+            output: null,
+            options: [{
+                prefer: { return: "return" },
+                requireReturn: false
+            }],
+            errors: [{
+                messageId: "unexpectedTag",
+                data: { title: "return" },
+                type: "Block",
+                line: 2,
+                column: 1,
+                endLine: 2,
+                endColumn: 12
+            }]
+        },
+
+        // classes
+        {
+            code:
+                "/**\n" +
+                " * Description for A\n" +
+                " */\n" +
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            output: null,
+            options: [{
+                requireReturn: false,
+                matchDescription: "^[A-Z][A-Za-z0-9\\s]*[.]$"
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unsatisfiedDesc",
+                    type: "Block"
+                },
+                {
+                    messageId: "unsatisfiedDesc",
+                    type: "Block"
+                }
+            ]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Description for a\n" +
+                " */\n" +
+                "var A = class {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     */\n" +
+                "    print(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "};",
+            output: null,
+            options: [{
+                requireReturn: true,
+                matchDescription: "^[A-Z][A-Za-z0-9\\s]*[.]$"
+            }],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "unsatisfiedDesc",
+                    type: "Block"
+                },
+                {
+                    messageId: "missingReturn",
+                    data: { returns: "returns" },
+                    type: "Block"
+                }
+            ]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Description for A.\n" +
+                " */\n" +
+                "class A {\n" +
+                "    /**\n" +
+                "     * Description for constructor.\n" +
+                "     * @param {object[]} xs - xs\n" +
+                "     * @returns {void}\n" +
+                "     */\n" +
+                "    constructor(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "    /**\n" +
+                "     * Description for method.\n" +
+                "     */\n" +
+                "    print(xs) {\n" +
+                "        this.a = xs;" +
+                "    }\n" +
+                "}",
+            output: null,
+            options: [],
+            parserOptions: {
+                ecmaVersion: 6
+            },
+            errors: [
+                {
+                    messageId: "missingReturn",
+                    data: { returns: "returns" },
+                    type: "Block"
+                },
+                {
+                    messageId: "missingParam",
+                    data: { name: "xs" },
+                    type: "Block"
+                }
+            ]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Use of this with an invalid type expression\n" +
+                " * @this {not.a.valid.type.expression\n" +
+                " */\n" +
+                "function foo() {}",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "missingBrace",
+                type: "Block"
+            }]
+        },
+        {
+            code:
+                "/**\n" +
+                " * Use of this with a type that is not a member expression\n" +
+                " * @this {Array<string>}\n" +
+                " */\n" +
+                "function foo() {}",
+            output: null,
+            options: [{ requireReturn: false }],
+            errors: [{
+                messageId: "syntaxError",
+                type: "Block"
+            }]
+        },
+
+        // async function
+        {
+            code:
+              "/**\n" +
+              " * An async function. Options requires return.\n" +
+              " */\n" +
+              "async function a() {}",
+            output: null,
+            options: [{ requireReturn: true }],
+            parserOptions: {
+                ecmaVersion: 2017
+            },
+            errors: [{
+                messageId: "missingReturn",
+                data: { returns: "returns" },
+                type: "Block"
+            }]
+        },
+
+        // type validations
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {String} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {string} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    Astnode: "ASTNode"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 11,
+                    endLine: 3,
+                    endColumn: 17
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "ASTNode", currentTypeName: "Astnode" },
+                    type: "Block",
+                    line: 4,
+                    column: 13,
+                    endLine: 4,
+                    endColumn: 20
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{20:String}} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{20:string}} hi - desc\n" +
+            "* @returns {ASTNode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    Astnode: "ASTNode"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 15,
+                    endLine: 3,
+                    endColumn: 21
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "ASTNode", currentTypeName: "Astnode" },
+                    type: "Block",
+                    line: 4,
+                    column: 13,
+                    endLine: 4,
+                    endColumn: 20
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {String|number|test} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {String|number|Test} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    test: "Test"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "Test", currentTypeName: "test" },
+                    type: "Block",
+                    line: 3,
+                    column: 25,
+                    endLine: 3,
+                    endColumn: 29
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<String>} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<string>} hi - desc\n" +
+            "* @returns {Astnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 18,
+                    endLine: 3,
+                    endColumn: 24
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<{id: Number, votes: Number}>} hi - desc\n" +
+            "* @returns {Array.<{summary: String}>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<{id: number, votes: number}>} hi - desc\n" +
+            "* @returns {Array.<{summary: string}>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "number", currentTypeName: "Number" },
+                    type: "Block",
+                    line: 3,
+                    column: 23,
+                    endLine: 3,
+                    endColumn: 29
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "number", currentTypeName: "Number" },
+                    type: "Block",
+                    line: 3,
+                    column: 38,
+                    endLine: 3,
+                    endColumn: 44
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 4,
+                    column: 30,
+                    endLine: 4,
+                    endColumn: 36
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<[String, Number]>} hi - desc\n" +
+            "* @returns {Array.<[String, String]>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Array.<[string, number]>} hi - desc\n" +
+            "* @returns {Array.<[string, string]>} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 19,
+                    endLine: 3,
+                    endColumn: 25
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "number", currentTypeName: "Number" },
+                    type: "Block",
+                    line: 3,
+                    column: 27,
+                    endLine: 3,
+                    endColumn: 33
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 4,
+                    column: 21,
+                    endLine: 4,
+                    endColumn: 27
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 4,
+                    column: 29,
+                    endLine: 4,
+                    endColumn: 35
+                }
+            ]
+        },
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {object<String,object<String, Number>>} hi - because why not\n" +
+            "* @returns {Boolean} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {Object<string,Object<string, number>>} hi - because why not\n" +
+            "* @returns {Boolean} desc\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    Number: "number",
+                    String: "string",
+                    object: "Object"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "Object", currentTypeName: "object" },
+                    type: "Block",
+                    line: 3,
+                    column: 11,
+                    endLine: 3,
+                    endColumn: 17
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 18,
+                    endLine: 3,
+                    endColumn: 24
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "Object", currentTypeName: "object" },
+                    type: "Block",
+                    line: 3,
+                    column: 25,
+                    endLine: 3,
+                    endColumn: 31
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 32,
+                    endLine: 3,
+                    endColumn: 38
+                },
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "number", currentTypeName: "Number" },
+                    type: "Block",
+                    line: 3,
+                    column: 40,
+                    endLine: 3,
+                    endColumn: 46
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7184
+        {
+            code:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{foo:String, astnode:Object, bar}} hi - desc\n" +
+            "* @returns {ASTnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            output:
+            "/**\n" +
+            "* Foo\n" +
+            "* @param {{foo:string, astnode:Object, bar}} hi - desc\n" +
+            "* @returns {ASTnode} returns a node\n" +
+            "*/\n" +
+            "function foo(hi){}",
+            options: [{
+                preferType: {
+                    String: "string",
+                    astnode: "ASTNode"
+                }
+            }],
+            errors: [
+                {
+                    messageId: "useType",
+                    data: { expectedTypeName: "string", currentTypeName: "String" },
+                    type: "Block",
+                    line: 3,
+                    column: 16,
+                    endLine: 3,
+                    endColumn: 22
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/valid-typeof.js b/eslint/tests/lib/rules/valid-typeof.js
new file mode 100644
index 0000000..cd28088
--- /dev/null
+++ b/eslint/tests/lib/rules/valid-typeof.js
@@ -0,0 +1,172 @@
+/**
+ * @fileoverview Ensures that the results of typeof are compared against a valid string
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/valid-typeof"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("valid-typeof", rule, {
+
+    valid: [
+        "typeof foo === 'string'",
+        "typeof foo === 'object'",
+        "typeof foo === 'function'",
+        "typeof foo === 'undefined'",
+        "typeof foo === 'boolean'",
+        "typeof foo === 'number'",
+        "typeof foo === 'bigint'",
+        "'string' === typeof foo",
+        "'object' === typeof foo",
+        "'function' === typeof foo",
+        "'undefined' === typeof foo",
+        "'boolean' === typeof foo",
+        "'number' === typeof foo",
+        "typeof foo === typeof bar",
+        "typeof foo === baz",
+        "typeof foo !== someType",
+        "typeof bar != someType",
+        "someType === typeof bar",
+        "someType == typeof bar",
+        "typeof foo == 'string'",
+        "typeof(foo) === 'string'",
+        "typeof(foo) !== 'string'",
+        "typeof(foo) == 'string'",
+        "typeof(foo) != 'string'",
+        "var oddUse = typeof foo + 'thing'",
+        {
+            code: "typeof foo === 'number'",
+            options: [{ requireStringLiterals: true }]
+        },
+        {
+            code: "typeof foo === \"number\"",
+            options: [{ requireStringLiterals: true }]
+        },
+        {
+            code: "var baz = typeof foo + 'thing'",
+            options: [{ requireStringLiterals: true }]
+        },
+        {
+            code: "typeof foo === typeof bar",
+            options: [{ requireStringLiterals: true }]
+        },
+        {
+            code: "typeof foo === `string`",
+            options: [{ requireStringLiterals: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "`object` === typeof foo",
+            options: [{ requireStringLiterals: true }],
+            parserOptions: { ecmaVersion: 6 }
+        },
+        {
+            code: "typeof foo === `str${somethingElse}`",
+            parserOptions: { ecmaVersion: 6 }
+        }
+    ],
+
+    invalid: [
+        {
+            code: "typeof foo === 'strnig'",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "'strnig' === typeof foo",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "if (typeof bar === 'umdefined') {}",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "typeof foo !== 'strnig'",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "'strnig' !== typeof foo",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "if (typeof bar !== 'umdefined') {}",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "typeof foo != 'strnig'",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "'strnig' != typeof foo",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "if (typeof bar != 'umdefined') {}",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "typeof foo == 'strnig'",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "'strnig' == typeof foo",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "if (typeof bar == 'umdefined') {}",
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "if (typeof bar === `umdefined`) {}",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "invalidValue", type: "TemplateLiteral" }]
+        },
+        {
+            code: "typeof foo == 'invalid string'",
+            options: [{ requireStringLiterals: true }],
+            errors: [{ messageId: "invalidValue", type: "Literal" }]
+        },
+        {
+            code: "typeof foo == Object",
+            options: [{ requireStringLiterals: true }],
+            errors: [{ messageId: "notString", type: "Identifier" }]
+        },
+        {
+            code: "typeof foo === undefined",
+            options: [{ requireStringLiterals: true }],
+            errors: [{ messageId: "notString", type: "Identifier" }]
+        },
+        {
+            code: "undefined === typeof foo",
+            options: [{ requireStringLiterals: true }],
+            errors: [{ messageId: "notString", type: "Identifier" }]
+        },
+        {
+            code: "undefined == typeof foo",
+            options: [{ requireStringLiterals: true }],
+            errors: [{ messageId: "notString", type: "Identifier" }]
+        },
+        {
+            code: "typeof foo === `undefined${foo}`",
+            options: [{ requireStringLiterals: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "notString", type: "TemplateLiteral" }]
+        },
+        {
+            code: "typeof foo === `${string}`",
+            options: [{ requireStringLiterals: true }],
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{ messageId: "notString", type: "TemplateLiteral" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/vars-on-top.js b/eslint/tests/lib/rules/vars-on-top.js
new file mode 100644
index 0000000..92e1a0d
--- /dev/null
+++ b/eslint/tests/lib/rules/vars-on-top.js
@@ -0,0 +1,432 @@
+/**
+ * @fileoverview Tests for vars-on-top rule.
+ * @author Danny Fritz
+ * @author Gyandeep Singh
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/vars-on-top"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+const error = { messageId: "top", type: "VariableDeclaration" };
+
+ruleTester.run("vars-on-top", rule, {
+
+    valid: [
+        [
+            "var first = 0;",
+            "function foo() {",
+            "    first = 2;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   if (true) {",
+            "       first = true;",
+            "   } else {",
+            "       first = 1;",
+            "   }",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   var second = 1;",
+            "   var third;",
+            "   var fourth = 1, fifth, sixth = third;",
+            "   var seventh;",
+            "   if (true) {",
+            "       third = true;",
+            "   }",
+            "   first = second;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var i;",
+            "   for (i = 0; i < 10; i++) {",
+            "       alert(i);",
+            "   }",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var outer;",
+            "   function inner() {",
+            "       var inner = 1;",
+            "       var outer = inner;",
+            "   }",
+            "   outer = 1;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   //Hello",
+            "   var second = 1;",
+            "   first = second;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   /*",
+            "       Hello Clarice",
+            "   */",
+            "   var second = 1;",
+            "   first = second;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   var second = 1;",
+            "   function bar(){",
+            "       var first;",
+            "       first = 5;",
+            "   }",
+            "   first = second;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   var second = 1;",
+            "   function bar(){",
+            "       var third;",
+            "       third = 5;",
+            "   }",
+            "   first = second;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   var bar = function(){",
+            "       var third;",
+            "       third = 5;",
+            "   }",
+            "   first = 5;",
+            "}"
+        ].join("\n"),
+        [
+            "function foo() {",
+            "   var first;",
+            "   first.onclick(function(){",
+            "       var third;",
+            "       third = 5;",
+            "   });",
+            "   first = 5;",
+            "}"
+        ].join("\n"),
+        {
+            code: [
+                "function foo() {",
+                "   var i = 0;",
+                "   for (let j = 0; j < 10; j++) {",
+                "       alert(j);",
+                "   }",
+                "   i = i + 1;",
+                "}"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6
+            }
+        },
+        "'use strict'; var x; f();",
+        "'use strict'; 'directive'; var x; var y; f();",
+        "function f() { 'use strict'; var x; f(); }",
+        "function f() { 'use strict'; 'directive'; var x; var y; f(); }",
+        { code: "import React from 'react'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "'use strict'; import React from 'react'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import React from 'react'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import * as foo from 'mod.js'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { square, diag } from 'lib'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import { default as foo } from 'lib'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import 'src/mylib'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        { code: "import theDefault, { named1, named2 } from 'src/mylib'; 'use strict'; var y; function f() { 'use strict'; var x; var y; f(); }", parserOptions: { ecmaVersion: 6, sourceType: "module" } },
+        {
+            code: [
+                "export var x;",
+                "var y;",
+                "var z;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            }
+        },
+        {
+            code: [
+                "var x;",
+                "export var y;",
+                "var z;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            }
+        },
+        {
+            code: [
+                "var x;",
+                "var y;",
+                "export var z;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            }
+        }
+    ],
+
+    invalid: [
+        {
+            code: [
+                "var first = 0;",
+                "function foo() {",
+                "    first = 2;",
+                "    second = 2;",
+                "}",
+                "var second = 0;"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first;",
+                "   first = 1;",
+                "   first = 2;",
+                "   first = 3;",
+                "   first = 4;",
+                "   var second = 1;",
+                "   second = 2;",
+                "   first = second;",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first;",
+                "   if (true) {",
+                "       var second = true;",
+                "   }",
+                "   first = second;",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   for (var i = 0; i < 10; i++) {",
+                "       alert(i);",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   var i;",
+                "   for (i = 0; i < first; i ++) {",
+                "       var second = i;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   var i;",
+                "   switch (first) {",
+                "       case 10:",
+                "           var hello = 1;",
+                "           break;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   var i;",
+                "   try {",
+                "       var hello = 1;",
+                "   } catch (e) {",
+                "       alert('error');",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   var i;",
+                "   try {",
+                "       asdf;",
+                "   } catch (e) {",
+                "       var hello = 1;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   while (first) {",
+                "       var hello = 1;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = 10;",
+                "   do {",
+                "       var hello = 1;",
+                "   } while (first == 10);",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = [1,2,3];",
+                "   for (var item in first) {",
+                "       item++;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "function foo() {",
+                "   var first = [1,2,3];",
+                "   var item;",
+                "   for (item in first) {",
+                "       var hello = item;",
+                "   }",
+                "}"
+            ].join("\n"),
+            errors: [error]
+        },
+        {
+            code: [
+                "var foo = () => {",
+                "   var first = [1,2,3];",
+                "   var item;",
+                "   for (item in first) {",
+                "       var hello = item;",
+                "   }",
+                "}"
+            ].join("\n"),
+            parserOptions: { ecmaVersion: 6 },
+            errors: [error]
+        },
+        {
+            code: "'use strict'; 0; var x; f();",
+            errors: [error]
+        },
+        {
+            code: "'use strict'; var x; 'directive'; var y; f();",
+            errors: [error]
+        },
+        {
+            code: "function f() { 'use strict'; 0; var x; f(); }",
+            errors: [error]
+        },
+        {
+            code: "function f() { 'use strict'; var x; 'directive';  var y; f(); }",
+            errors: [error]
+        },
+        {
+            code: [
+                "export function f() {}",
+                "var x;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [error]
+        },
+        {
+            code: [
+                "var x;",
+                "export function f() {}",
+                "var y;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [error]
+        },
+        {
+            code: [
+                "import {foo} from 'foo';",
+                "export {foo};",
+                "var test = 1;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [error]
+        },
+        {
+            code: [
+                "export {foo} from 'foo';",
+                "var test = 1;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [error]
+        },
+        {
+            code: [
+                "export * from 'foo';",
+                "var test = 1;"
+            ].join("\n"),
+            parserOptions: {
+                ecmaVersion: 6,
+                sourceType: "module"
+            },
+            errors: [error]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/wrap-iife.js b/eslint/tests/lib/rules/wrap-iife.js
new file mode 100644
index 0000000..d18948f
--- /dev/null
+++ b/eslint/tests/lib/rules/wrap-iife.js
@@ -0,0 +1,608 @@
+/**
+ * @fileoverview Tests for wrap-iife rule.
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/wrap-iife"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+const wrapInvocationError = { messageId: "wrapInvocation", type: "CallExpression" };
+const wrapExpressionError = { messageId: "wrapExpression", type: "CallExpression" };
+const moveInvocationError = { messageId: "moveInvocation", type: "CallExpression" };
+
+ruleTester.run("wrap-iife", rule, {
+    valid: [
+        {
+            code: "(function(){ }());",
+            options: ["any"]
+        },
+        {
+            code: "(function(){ })();",
+            options: ["any"]
+        },
+        {
+            code: "(function a(){ }());",
+            options: ["any"]
+        },
+        {
+            code: "(function a(){ })();",
+            options: ["any"]
+        },
+        {
+            code: "(function(){ }())",
+            options: ["any"]
+        },
+        {
+            code: "(function(){ })()",
+            options: ["any"]
+        },
+        {
+            code: "(function a(){ }());",
+            options: ["outside"]
+        },
+        {
+            code: "(function a(){ })();",
+            options: ["inside"]
+        },
+        {
+            code: "foo.bar();",
+            options: ["any"]
+        },
+        {
+            code: "var a = function(){return 1;};",
+            options: ["any"]
+        },
+        {
+            code: "var a = ((function(){return 1;})());", // always allows existing extra parens (parens both inside and outside)
+            options: ["any"]
+        },
+        {
+            code: "var a = ((function(){return 1;})());", // always allows existing extra parens (parens both inside and outside)
+            options: ["inside"]
+        },
+        {
+            code: "var a = ((function(){return 1;})());", // always allows existing extra parens (parens both inside and outside)
+            options: ["outside"]
+        },
+        {
+            code: "if (function (){}()) {}",
+            options: ["any"]
+        },
+        {
+            code: "while (function (){}()) {}",
+            options: ["any"]
+        },
+        {
+            code: "do {} while (function (){}())",
+            options: ["any"]
+        },
+        {
+            code: "switch (function (){}()) {}",
+            options: ["any"]
+        },
+        {
+            code: "with (function (){}()) {}",
+            options: ["any"]
+        },
+        {
+            code: "foo(function (){}());",
+            options: ["any"]
+        },
+        {
+            code: "new foo(function (){}());",
+            options: ["any"]
+        },
+        {
+            code: "import(function (){}());",
+            options: ["any"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "if ((function (){})()) {}",
+            options: ["any"]
+        },
+        {
+            code: "while (((function (){})())) {}",
+            options: ["any"]
+        },
+        {
+            code: "if (function (){}()) {}",
+            options: ["outside"]
+        },
+        {
+            code: "while (function (){}()) {}",
+            options: ["outside"]
+        },
+        {
+            code: "do {} while (function (){}())",
+            options: ["outside"]
+        },
+        {
+            code: "switch (function (){}()) {}",
+            options: ["outside"]
+        },
+        {
+            code: "with (function (){}()) {}",
+            options: ["outside"]
+        },
+        {
+            code: "foo(function (){}());",
+            options: ["outside"]
+        },
+        {
+            code: "new foo(function (){}());",
+            options: ["outside"]
+        },
+        {
+            code: "import(function (){}());",
+            options: ["outside"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "if ((function (){})()) {}",
+            options: ["outside"]
+        },
+        {
+            code: "while (((function (){})())) {}",
+            options: ["outside"]
+        },
+        {
+            code: "if ((function (){})()) {}",
+            options: ["inside"]
+        },
+        {
+            code: "while ((function (){})()) {}",
+            options: ["inside"]
+        },
+        {
+            code: "do {} while ((function (){})())",
+            options: ["inside"]
+        },
+        {
+            code: "switch ((function (){})()) {}",
+            options: ["inside"]
+        },
+        {
+            code: "with ((function (){})()) {}",
+            options: ["inside"]
+        },
+        {
+            code: "foo((function (){})());",
+            options: ["inside"]
+        },
+        {
+            code: "new foo((function (){})());",
+            options: ["inside"]
+        },
+        {
+            code: "import((function (){})());",
+            options: ["inside"],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "while (((function (){})())) {}",
+            options: ["inside"]
+        },
+        {
+            code: "window.bar = (function() { return 3; }.call(this, arg1));",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = (function() { return 3; }).call(this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = (function() { return 3; }.apply(this, arg1));",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = (function() { return 3; }).apply(this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = function() { return 3; }.call(this, arg1);",
+            options: ["inside"]
+        },
+        {
+            code: "window.bar = function() { return 3; }.call(this, arg1);",
+            options: ["inside", {}]
+        },
+        {
+            code: "window.bar = function() { return 3; }.call(this, arg1);",
+            options: ["inside", { functionPrototypeMethods: false }]
+        },
+        {
+            code: "window.bar = function() { return 3; }[call](this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = function() { return 3; }[apply](this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "window.bar = function() { return 3; }[foo](this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "var a = function(){return 1;}.bind(this);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "var a = function(){return 1;}.bind(this).apply(that);",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "var a = ((function(){return 1;}).call());", // always allows existing extra parens (parens both inside and outside)
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "var a = ((function(){return 1;}).call());", // always allows existing extra parens (parens both inside and outside)
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "var a = ((function(){return 1;}).call());", // always allows existing extra parens (parens both inside and outside)
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "if (function (){}.call()) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "while (function (){}.call()) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "do {} while (function (){}.call())",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "switch (function (){}.call()) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "with (function (){}.call()) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "foo(function (){}.call())",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "new foo(function (){}.call())",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "import(function (){}.call())",
+            options: ["any", { functionPrototypeMethods: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "if ((function (){}).call()) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "while (((function (){}).call())) {}",
+            options: ["any", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "if (function (){}.call()) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "while (function (){}.call()) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "do {} while (function (){}.call())",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "switch (function (){}.call()) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "with (function (){}.call()) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "foo(function (){}.call())",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "new foo(function (){}.call())",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "import(function (){}.call())",
+            options: ["outside", { functionPrototypeMethods: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "if ((function (){}).call()) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "while (((function (){}).call())) {}",
+            options: ["outside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "if ((function (){}).call()) {}",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "while ((function (){}).call()) {}",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "do {} while ((function (){}).call())",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "switch ((function (){}).call()) {}",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "with ((function (){}).call()) {}",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "foo((function (){}).call())",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "new foo((function (){}).call())",
+            options: ["inside", { functionPrototypeMethods: true }]
+        },
+        {
+            code: "import((function (){}).call())",
+            options: ["inside", { functionPrototypeMethods: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        },
+        {
+            code: "if (((function (){}).call())) {}",
+            options: ["inside", { functionPrototypeMethods: true }]
+        }
+    ],
+    invalid: [
+        {
+            code: "0, function(){ }();",
+            output: "0, (function(){ }());",
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "[function(){ }()];",
+            output: "[(function(){ }())];",
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "var a = function(){ }();",
+            output: "var a = (function(){ }());",
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "(function(){ }(), 0);",
+            output: "((function(){ }()), 0);",
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "(function a(){ })();",
+            output: "(function a(){ }());",
+            options: ["outside"],
+            errors: [moveInvocationError]
+        },
+        {
+            code: "(function a(){ }());",
+            output: "(function a(){ })();",
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new foo((function (){}()))",
+            output: "new foo((function (){})())",
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new (function (){}())",
+            output: "new ((function (){})())", // wrap function expression, but don't remove necessary grouping parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new (function (){}())()",
+            output: "new ((function (){})())()", // wrap function expression, but don't remove necessary grouping parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "if (function (){}()) {}",
+            output: "if ((function (){})()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "if ((function (){}())) {}",
+            output: "if ((function (){})()) {}", // wrap function expression and remove unnecessary grouping parens aroung the call expression
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "while (function (){}()) {}",
+            output: "while ((function (){})()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "do {} while (function (){}())",
+            output: "do {} while ((function (){})())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "switch (function (){}()) {}",
+            output: "switch ((function (){})()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "with (function (){}()) {}",
+            output: "with ((function (){})()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "foo(function (){}())",
+            output: "foo((function (){})())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new foo(function (){}())",
+            output: "new foo((function (){})())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "import(function (){}())",
+            output: "import((function (){})())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [wrapExpressionError]
+        },
+        {
+
+            // Ensure all comments get preserved when autofixing.
+            code: "( /* a */ function /* b */ foo /* c */ ( /* d */ bar /* e */ ) /* f */ { /* g */ return; /* h */ } /* i */ ( /* j */ baz /* k */) /* l */ ) /* m */ ;",
+            output: "( /* a */ function /* b */ foo /* c */ ( /* d */ bar /* e */ ) /* f */ { /* g */ return; /* h */ }) /* i */ ( /* j */ baz /* k */) /* l */  /* m */ ;",
+            options: ["inside"],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "( /* a */ function /* b */ foo /* c */ ( /* d */ bar /* e */ ) /* f */ { /* g */ return; /* h */ } /* i */ ) /* j */ ( /* k */ baz /* l */) /* m */ ;",
+            output: "( /* a */ function /* b */ foo /* c */ ( /* d */ bar /* e */ ) /* f */ { /* g */ return; /* h */ } /* i */  /* j */ ( /* k */ baz /* l */)) /* m */ ;",
+            options: ["outside"],
+            errors: [moveInvocationError]
+        },
+        {
+            code: "+function(){return 1;}()",
+            output: "+(function(){return 1;}())",
+            options: ["outside"],
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "+function(){return 1;}()",
+            output: "+(function(){return 1;})()",
+            options: ["inside"],
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "window.bar = function() { return 3; }.call(this, arg1);",
+            output: "window.bar = (function() { return 3; }).call(this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "window.bar = function() { return 3; }['call'](this, arg1);",
+            output: "window.bar = (function() { return 3; })['call'](this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "window.bar = function() { return 3; }.call(this, arg1);",
+            output: "window.bar = (function() { return 3; }.call(this, arg1));",
+            options: ["outside", { functionPrototypeMethods: true }],
+            errors: [wrapInvocationError]
+        },
+        {
+            code: "window.bar = (function() { return 3; }.call(this, arg1));",
+            output: "window.bar = (function() { return 3; }).call(this, arg1);",
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "window.bar = (function() { return 3; }).call(this, arg1);",
+            output: "window.bar = (function() { return 3; }.call(this, arg1));",
+            options: ["outside", { functionPrototypeMethods: true }],
+            errors: [moveInvocationError]
+        },
+        {
+            code: "new (function (){}.call())",
+            output: "new ((function (){}).call())", // wrap function expression, but don't remove necessary grouping parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new (function (){}.call())()",
+            output: "new ((function (){}).call())()", // wrap function expression, but don't remove necessary grouping parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "if (function (){}.call()) {}",
+            output: "if ((function (){}).call()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "if ((function (){}.call())) {}",
+            output: "if ((function (){}).call()) {}", // wrap function expression and remove unnecessary grouping parens aroung the call expression
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "while (function (){}.call()) {}",
+            output: "while ((function (){}).call()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "do {} while (function (){}.call())",
+            output: "do {} while ((function (){}).call())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "switch (function (){}.call()) {}",
+            output: "switch ((function (){}).call()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "with (function (){}.call()) {}",
+            output: "with ((function (){}).call()) {}", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "foo(function (){}.call())",
+            output: "foo((function (){}).call())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "new foo(function (){}.call())",
+            output: "new foo((function (){}).call())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            errors: [wrapExpressionError]
+        },
+        {
+            code: "import(function (){}.call())",
+            output: "import((function (){}).call())", // wrap function expression, but don't remove mandatory parens
+            options: ["inside", { functionPrototypeMethods: true }],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [wrapExpressionError]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/wrap-regex.js b/eslint/tests/lib/rules/wrap-regex.js
new file mode 100644
index 0000000..0ac92f2
--- /dev/null
+++ b/eslint/tests/lib/rules/wrap-regex.js
@@ -0,0 +1,49 @@
+/**
+ * @fileoverview Tests for wrap-regex rule.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/wrap-regex"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("wrap-regex", rule, {
+    valid: [
+        "(/foo/).test(bar);",
+        "(/foo/ig).test(bar);",
+        "/foo/;",
+        "var f = 0;",
+        "a[/b/];"
+    ],
+    invalid: [
+        {
+            code: "/foo/.test(bar);",
+            output: "(/foo/).test(bar);",
+            errors: [{ messageId: "requireParens", type: "Literal" }]
+        },
+        {
+            code: "/foo/ig.test(bar);",
+            output: "(/foo/ig).test(bar);",
+            errors: [{ messageId: "requireParens", type: "Literal" }]
+        },
+
+        // https://github.com/eslint/eslint/issues/10573
+        {
+            code: "if(/foo/ig.test(bar));",
+            output: "if((/foo/ig).test(bar));",
+            errors: [{ messageId: "requireParens", type: "Literal" }]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/rules/yield-star-spacing.js b/eslint/tests/lib/rules/yield-star-spacing.js
new file mode 100644
index 0000000..9c8aaff
--- /dev/null
+++ b/eslint/tests/lib/rules/yield-star-spacing.js
@@ -0,0 +1,277 @@
+/**
+ * @fileoverview Tests for yield-star-spacing rule.
+ * @author Bryan Smith
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../lib/rules/yield-star-spacing"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
+
+const missingBeforeError = { messageId: "missingBefore", type: "Punctuator" };
+const missingAfterError = { messageId: "missingAfter", type: "Punctuator" };
+const unexpectedBeforeError = { messageId: "unexpectedBefore", type: "Punctuator" };
+const unexpectedAfterError = { messageId: "unexpectedAfter", type: "Punctuator" };
+
+ruleTester.run("yield-star-spacing", rule, {
+
+    valid: [
+
+        // default (after)
+        "function *foo(){ yield foo; }",
+        "function *foo(){ yield* foo; }",
+
+        // after
+        {
+            code: "function *foo(){ yield foo; }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ yield* foo; }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ yield* foo(); }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ yield* 0 }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ yield* []; }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ var result = yield* foo(); }",
+            options: ["after"]
+        },
+        {
+            code: "function *foo(){ var result = yield* (foo()); }",
+            options: ["after"]
+        },
+
+        // before
+        {
+            code: "function *foo(){ yield foo; }",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){ yield *foo; }",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){ yield *foo(); }",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){ yield *0 }",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){ yield *[]; }",
+            options: ["before"]
+        },
+        {
+            code: "function *foo(){ var result = yield *foo(); }",
+            options: ["before"]
+        },
+
+        // both
+        {
+            code: "function *foo(){ yield foo; }",
+            options: ["both"]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            options: ["both"]
+        },
+        {
+            code: "function *foo(){ yield * foo(); }",
+            options: ["both"]
+        },
+        {
+            code: "function *foo(){ yield * 0 }",
+            options: ["both"]
+        },
+        {
+            code: "function *foo(){ yield * []; }",
+            options: ["both"]
+        },
+        {
+            code: "function *foo(){ var result = yield * foo(); }",
+            options: ["both"]
+        },
+
+        // neither
+        {
+            code: "function *foo(){ yield foo; }",
+            options: ["neither"]
+        },
+        {
+            code: "function *foo(){ yield*foo; }",
+            options: ["neither"]
+        },
+        {
+            code: "function *foo(){ yield*foo(); }",
+            options: ["neither"]
+        },
+        {
+            code: "function *foo(){ yield*0 }",
+            options: ["neither"]
+        },
+        {
+            code: "function *foo(){ yield*[]; }",
+            options: ["neither"]
+        },
+        {
+            code: "function *foo(){ var result = yield*foo(); }",
+            options: ["neither"]
+        },
+
+        // object option
+        {
+            code: "function *foo(){ yield* foo; }",
+            options: [{ before: false, after: true }]
+        },
+        {
+            code: "function *foo(){ yield *foo; }",
+            options: [{ before: true, after: false }]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            options: [{ before: true, after: true }]
+        },
+        {
+            code: "function *foo(){ yield*foo; }",
+            options: [{ before: false, after: false }]
+        }
+    ],
+
+    invalid: [
+
+        // default (after)
+        {
+            code: "function *foo(){ yield *foo1; }",
+            output: "function *foo(){ yield* foo1; }",
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+
+        // after
+        {
+            code: "function *foo(){ yield *foo1; }",
+            output: "function *foo(){ yield* foo1; }",
+            options: ["after"],
+            errors: [unexpectedBeforeError, missingAfterError]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            output: "function *foo(){ yield* foo; }",
+            options: ["after"],
+            errors: [unexpectedBeforeError]
+        },
+        {
+            code: "function *foo(){ yield*foo2; }",
+            output: "function *foo(){ yield* foo2; }",
+            options: ["after"],
+            errors: [missingAfterError]
+        },
+
+        // before
+        {
+            code: "function *foo(){ yield* foo; }",
+            output: "function *foo(){ yield *foo; }",
+            options: ["before"],
+            errors: [missingBeforeError, unexpectedAfterError]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            output: "function *foo(){ yield *foo; }",
+            options: ["before"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "function *foo(){ yield*foo; }",
+            output: "function *foo(){ yield *foo; }",
+            options: ["before"],
+            errors: [missingBeforeError]
+        },
+
+        // both
+        {
+            code: "function *foo(){ yield* foo; }",
+            output: "function *foo(){ yield * foo; }",
+            options: ["both"],
+            errors: [missingBeforeError]
+        },
+        {
+            code: "function *foo(){ yield *foo3; }",
+            output: "function *foo(){ yield * foo3; }",
+            options: ["both"],
+            errors: [missingAfterError]
+        },
+        {
+            code: "function *foo(){ yield*foo4; }",
+            output: "function *foo(){ yield * foo4; }",
+            options: ["both"],
+            errors: [missingBeforeError, missingAfterError]
+        },
+
+        // neither
+        {
+            code: "function *foo(){ yield* foo; }",
+            output: "function *foo(){ yield*foo; }",
+            options: ["neither"],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "function *foo(){ yield *foo; }",
+            output: "function *foo(){ yield*foo; }",
+            options: ["neither"],
+            errors: [unexpectedBeforeError]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            output: "function *foo(){ yield*foo; }",
+            options: ["neither"],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        },
+
+        // object option
+        {
+            code: "function *foo(){ yield*foo; }",
+            output: "function *foo(){ yield* foo; }",
+            options: [{ before: false, after: true }],
+            errors: [missingAfterError]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            output: "function *foo(){ yield *foo; }",
+            options: [{ before: true, after: false }],
+            errors: [unexpectedAfterError]
+        },
+        {
+            code: "function *foo(){ yield*foo; }",
+            output: "function *foo(){ yield * foo; }",
+            options: [{ before: true, after: true }],
+            errors: [missingBeforeError, missingAfterError]
+        },
+        {
+            code: "function *foo(){ yield * foo; }",
+            output: "function *foo(){ yield*foo; }",
+            options: [{ before: false, after: false }],
+            errors: [unexpectedBeforeError, unexpectedAfterError]
+        }
+    ]
+
+});
diff --git a/eslint/tests/lib/rules/yoda.js b/eslint/tests/lib/rules/yoda.js
new file mode 100644
index 0000000..c0d76ca
--- /dev/null
+++ b/eslint/tests/lib/rules/yoda.js
@@ -0,0 +1,997 @@
+/**
+ * @fileoverview Tests for yoda rule.
+ * @author Raphael Pigulla
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+const rule = require("../../../lib/rules/yoda"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("yoda", rule, {
+    valid: [
+
+        // "never" mode
+        { code: "if (value === \"red\") {}", options: ["never"] },
+        { code: "if (value === value) {}", options: ["never"] },
+        { code: "if (value != 5) {}", options: ["never"] },
+        { code: "if (5 & foo) {}", options: ["never"] },
+        { code: "if (5 === 4) {}", options: ["never"] },
+        { code: "if (value === `red`) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`red` === `red`) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`${foo}` === `red`) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`${\"\"}` === `red`) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`${\"red\"}` === foo) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (b > `a` && b > `a`) {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`b` > `a` && \"b\" > \"a\") {}", options: ["never"], parserOptions: { ecmaVersion: 2015 } },
+
+        // "always" mode
+        { code: "if (\"blue\" === value) {}", options: ["always"] },
+        { code: "if (value === value) {}", options: ["always"] },
+        { code: "if (4 != value) {}", options: ["always"] },
+        { code: "if (foo & 4) {}", options: ["always"] },
+        { code: "if (5 === 4) {}", options: ["always"] },
+        { code: "if (`red` === value) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`red` === `red`) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`red` === `${foo}`) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`red` === `${\"\"}`) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (foo === `${\"red\"}`) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`a` > b && `a` > b) {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (`b` > `a` && \"b\" > \"a\") {}", options: ["always"], parserOptions: { ecmaVersion: 2015 } },
+
+        // Range exception
+        {
+            code: "if (0 < x && x <= 1) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (x < 0 || 1 <= x) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 <= x && x < 1) {}",
+            options: ["always", { exceptRange: true }]
+        }, {
+            code: "if (x <= 'bar' || 'foo' < x) {}",
+            options: ["always", { exceptRange: true }]
+        }, {
+            code: "if ('blue' < x.y && x.y < 'green') {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 < x[``] && x[``] < 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (0 < x[''] && x[``] < 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (0 <= x['y'] && x['y'] <= 100) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (a < 0 && (0 < b && b < 1)) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if ((0 < a && a < 1) && b < 0) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (a < 4 || (b[c[0]].d['e'] < 0 || 1 <= b[c[0]].d['e'])) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (-1 < x && x < 0) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 <= this.prop && this.prop <= 1) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 <= index && index < list.length) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (ZERO <= index && index < 100) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (value <= MIN || 10 < value) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (value <= 0 || MAX < value) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 <= a.b && a[\"b\"] <= 100) {}",
+            options: ["never", { exceptRange: true }]
+        }, {
+            code: "if (0 <= a.b && a[`b`] <= 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (-1n < x && x <= 1n) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }, {
+            code: "if (x < -1n || 1n <= x) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }, {
+            code: "if (-1n <= x && x < 1n) {}",
+            options: ["always", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }, {
+            code: "if (x < -1n || 1n <= x) {}",
+            options: ["always", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }, {
+            code: "if (x < `1` || `1` < x) {}",
+            options: ["always", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2020 }
+        }, {
+            code: "if (1 <= a['/(?<zero>0)/'] && a[/(?<zero>0)/] <= 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2018 }
+        }, {
+            code: "if (x <= `bar` || `foo` < x) {}",
+            options: ["always", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (`blue` < x.y && x.y < `green`) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (0 <= x[`y`] && x[`y`] <= 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        }, {
+            code: "if (0 <= x[`y`] && x[\"y\"] <= 100) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 }
+        },
+
+        // onlyEquality
+        { code: "if (0 < x && x <= 1) {}", options: ["never", { onlyEquality: true }] },
+        { code: "if (x !== 'foo' && 'foo' !== x) {}", options: ["never", { onlyEquality: true }] },
+        { code: "if (x < 2 && x !== -3) {}", options: ["always", { onlyEquality: true }] },
+        { code: "if (x !== `foo` && `foo` !== x) {}", options: ["never", { onlyEquality: true }], parserOptions: { ecmaVersion: 2015 } },
+        { code: "if (x < `2` && x !== `-3`) {}", options: ["always", { onlyEquality: true }], parserOptions: { ecmaVersion: 2015 } }
+    ],
+    invalid: [
+
+        {
+            code: "if (\"red\" == value) {}",
+            output: "if (value == \"red\") {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "==" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (true === value) {}",
+            output: "if (value === true) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (5 != value) {}",
+            output: "if (value != 5) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "!=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (5n != value) {}",
+            output: "if (value != 5n) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "!=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (null !== value) {}",
+            output: "if (value !== null) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "!==" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (\"red\" <= value) {}",
+            output: "if (value >= \"red\") {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`red` <= value) {}",
+            output: "if (value >= `red`) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`red` <= `${foo}`) {}",
+            output: "if (`${foo}` >= `red`) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`red` <= `${\"red\"}`) {}",
+            output: "if (`${\"red\"}` >= `red`) {}",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (true >= value) {}",
+            output: "if (value <= true) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: ">=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "var foo = (5 < value) ? true : false",
+            output: "var foo = (value > 5) ? true : false",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function foo() { return (null > value); }",
+            output: "function foo() { return (value < null); }",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: ">" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (-1 < str.indexOf(substr)) {}",
+            output: "if (str.indexOf(substr) > -1) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (value == \"red\") {}",
+            output: "if (\"red\" == value) {}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "==" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (value == `red`) {}",
+            output: "if (`red` == value) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "==" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (value === true) {}",
+            output: "if (true === value) {}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (value === 5n) {}",
+            output: "if (5n === value) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2020 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`${\"red\"}` <= `red`) {}",
+            output: "if (`red` >= `${\"red\"}`) {}",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (a < 0 && 0 <= b && b < 1) {}",
+            output: "if (a < 0 && b >= 0 && b < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a && a < 1 && b < 1) {}",
+            output: "if (a >= 0 && a < 1 && b < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (1 < a && a < 0) {}",
+            output: "if (a > 1 && a < 0) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "0 < a && a < 1",
+            output: "a > 0 && a < 1",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "var a = b < 0 || 1 <= b;",
+            output: "var a = b < 0 || b >= 1;",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= x && x < -1) {}",
+            output: "if (x >= 0 && x < -1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "var a = (b < 0 && 0 <= b);",
+            output: "var a = (0 > b && 0 <= b);",
+            options: ["always", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "var a = (b < `0` && `0` <= b);",
+            output: "var a = (`0` > b && `0` <= b);",
+            options: ["always", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[b] && a['b'] < 1) {}",
+            output: "if (a[b] >= 0 && a['b'] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[b] && a[`b`] < 1) {}",
+            output: "if (a[b] >= 0 && a[`b`] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`0` <= a[b] && a[`b`] < `1`) {}",
+            output: "if (a[b] >= `0` && a[`b`] < `1`) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[b] && a.b < 1) {}",
+            output: "if (a[b] >= 0 && a.b < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[''] && a.b < 1) {}",
+            output: "if (a[''] >= 0 && a.b < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[''] && a[' '] < 1) {}",
+            output: "if (a[''] >= 0 && a[' '] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[''] && a[null] < 1) {}",
+            output: "if (a[''] >= 0 && a[null] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[``] && a[null] < 1) {}",
+            output: "if (a[``] >= 0 && a[null] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[''] && a[b] < 1) {}",
+            output: "if (a[''] >= 0 && a[b] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[''] && a[b()] < 1) {}",
+            output: "if (a[''] >= 0 && a[b()] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[``] && a[b()] < 1) {}",
+            output: "if (a[``] >= 0 && a[b()] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a[b()] && a[b()] < 1) {}",
+            output: "if (a[b()] >= 0 && a[b()] < 1) {}",
+            options: ["never", { exceptRange: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= a.null && a[/(?<zero>0)/] <= 1) {}",
+            output: "if (a.null >= 0 && a[/(?<zero>0)/] <= 1) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2018 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (`green` < x.y && x.y < `blue`) {}",
+            output: "if (x.y > `green` && x.y < `blue`) {}",
+            options: ["never", { exceptRange: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (3 == a) {}",
+            output: "if (a == 3) {}",
+            options: ["never", { onlyEquality: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "==" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "foo(3 === a);",
+            output: "foo(a === 3);",
+            options: ["never", { onlyEquality: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "foo(a === 3);",
+            output: "foo(3 === a);",
+            options: ["always", { onlyEquality: true }],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "foo(a === `3`);",
+            output: "foo(`3` === a);",
+            options: ["always", { onlyEquality: true }],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (0 <= x && x < 1) {}",
+            output: "if (x >= 0 && x < 1) {}",
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<=" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if ( /* a */ 0 /* b */ < /* c */ foo /* d */ ) {}",
+            output: "if ( /* a */ foo /* b */ > /* c */ 0 /* d */ ) {}",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if ( /* a */ foo /* b */ > /* c */ 0 /* d */ ) {}",
+            output: "if ( /* a */ 0 /* b */ < /* c */ foo /* d */ ) {}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: ">" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (foo()===1) {}",
+            output: "if (1===foo()) {}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (foo()     === 1) {}",
+            output: "if (1     === foo()) {}",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+
+        // https://github.com/eslint/eslint/issues/7326
+        {
+            code: "while (0 === (a));",
+            output: "while ((a) === 0);",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "while (0 === (a = b));",
+            output: "while ((a = b) === 0);",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "while ((a) === 0);",
+            output: "while (0 === (a));",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "while ((a = b) === 0);",
+            output: "while (0 === (a = b));",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "if (((((((((((foo)))))))))) === ((((((5)))))));",
+            output: "if (((((((5)))))) === ((((((((((foo)))))))))));",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "===" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+
+        // Adjacent tokens tests
+        {
+            code: "function *foo() { yield(1) < a }",
+            output: "function *foo() { yield a > (1) }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield((1)) < a }",
+            output: "function *foo() { yield a > ((1)) }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield 1 < a }",
+            output: "function *foo() { yield a > 1 }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield/**/1 < a }",
+            output: "function *foo() { yield/**/a > 1 }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield(1) < ++a }",
+            output: "function *foo() { yield++a > (1) }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield(1) < (a) }",
+            output: "function *foo() { yield(a) > (1) }",
+            options: ["never"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "x=1 < a",
+            output: "x=a > 1",
+            options: ["never"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "right", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield++a < 1 }",
+            output: "function *foo() { yield 1 > ++a }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield(a) < 1 }",
+            output: "function *foo() { yield 1 > (a) }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield a < 1 }",
+            output: "function *foo() { yield 1 > a }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield/**/a < 1 }",
+            output: "function *foo() { yield/**/1 > a }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "function *foo() { yield++a < (1) }",
+            output: "function *foo() { yield(1) > ++a }",
+            options: ["always"],
+            parserOptions: { ecmaVersion: 2015 },
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        },
+        {
+            code: "x=a < 1",
+            output: "x=1 > a",
+            options: ["always"],
+            errors: [
+                {
+                    messageId: "expected",
+                    data: { expectedSide: "left", operator: "<" },
+                    type: "BinaryExpression"
+                }
+            ]
+        }
+    ]
+});
diff --git a/eslint/tests/lib/shared/config-ops.js b/eslint/tests/lib/shared/config-ops.js
new file mode 100644
index 0000000..73f3415
--- /dev/null
+++ b/eslint/tests/lib/shared/config-ops.js
@@ -0,0 +1,250 @@
+/**
+ * @fileoverview Tests for ConfigOps
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    leche = require("leche"),
+    util = require("util"),
+    ConfigOps = require("../../../lib/shared/config-ops");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("ConfigOps", () => {
+
+    describe("getRuleSeverity()", () => {
+        const EXPECTED_RESULTS = new Map([
+            [0, 0],
+            [1, 1],
+            [2, 2],
+            [[0], 0],
+            [[1], 1],
+            [[2], 2],
+            ["off", 0],
+            ["warn", 1],
+            ["error", 2],
+            [["off"], 0],
+            [["warn"], 1],
+            [["error"], 2],
+            ["OFF", 0],
+            ["wArN", 1],
+            [["ErRoR"], 2],
+            ["invalid config", 0],
+            [["invalid config"], 0],
+            [3, 0],
+            [[3], 0],
+            [1.5, 0],
+            [[1.5], 0]
+        ]);
+
+        for (const key of EXPECTED_RESULTS.keys()) {
+            it(`returns ${util.inspect(EXPECTED_RESULTS.get(key))} for ${util.inspect(key)}`, () => {
+                assert.strictEqual(ConfigOps.getRuleSeverity(key), EXPECTED_RESULTS.get(key));
+            });
+        }
+    });
+
+    describe("normalizeToStrings()", () => {
+        it("should convert 2 rule setting to error when rule has just a severity", () => {
+            const config = {
+                rules: {
+                    foo: 2,
+                    bar: 2
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: "error",
+                    bar: "error"
+                }
+            });
+        });
+
+        it("should convert 2 rule setting to error when rule has array with severity", () => {
+            const config = {
+                rules: {
+                    foo: [2, "something"],
+                    bar: 2
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: ["error", "something"],
+                    bar: "error"
+                }
+            });
+        });
+
+        it("should convert 1 rule setting to warn when rule has just a severity", () => {
+            const config = {
+                rules: {
+                    foo: 1,
+                    bar: 1
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: "warn",
+                    bar: "warn"
+                }
+            });
+        });
+
+        it("should convert 1 rule setting to warn when rule has array with severity", () => {
+            const config = {
+                rules: {
+                    foo: [1, "something"],
+                    bar: 1
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: ["warn", "something"],
+                    bar: "warn"
+                }
+            });
+        });
+
+        it("should convert 0 rule setting to off when rule has just a severity", () => {
+            const config = {
+                rules: {
+                    foo: 0,
+                    bar: 0
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: "off",
+                    bar: "off"
+                }
+            });
+        });
+
+        it("should convert 0 rule setting to off when rule has array with severity", () => {
+            const config = {
+                rules: {
+                    foo: [0, "something"],
+                    bar: 0
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: ["off", "something"],
+                    bar: "off"
+                }
+            });
+        });
+
+        it("should convert 256 rule setting to off when rule has just a severity", () => {
+            const config = {
+                rules: {
+                    foo: 256,
+                    bar: 256
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: "off",
+                    bar: "off"
+                }
+            });
+        });
+
+        it("should convert 256 rule setting to off when rule has array with severity", () => {
+            const config = {
+                rules: {
+                    foo: [256, "something"],
+                    bar: 256
+                }
+            };
+
+            ConfigOps.normalizeToStrings(config);
+
+            assert.deepStrictEqual(config, {
+                rules: {
+                    foo: ["off", "something"],
+                    bar: "off"
+                }
+            });
+        });
+    });
+
+    describe("isError()", () => {
+
+        leche.withData([
+            ["error", true],
+            ["Error", true],
+            [2, true],
+            [["error"], true],
+            [["erRor"], true],
+            [[2], true],
+            [["error", "foo"], true],
+            [["eRror", "bar"], true],
+            [[2, "baz"], true]
+        ], (input, expected) => {
+
+            it(`should return ${expected}when passed ${input}`, () => {
+                const result = ConfigOps.isErrorSeverity(input);
+
+                assert.strictEqual(result, expected);
+            });
+
+        });
+
+    });
+
+    describe("normalizeConfigGlobal", () => {
+        [
+            ["off", "off"],
+            [true, "writable"],
+            ["true", "writable"],
+            [false, "readonly"],
+            ["false", "readonly"],
+            [null, "readonly"],
+            ["writeable", "writable"],
+            ["writable", "writable"],
+            ["readable", "readonly"],
+            ["readonly", "readonly"],
+            ["writable", "writable"]
+        ].forEach(([input, output]) => {
+            it(util.inspect(input), () => {
+                assert.strictEqual(ConfigOps.normalizeConfigGlobal(input), output);
+            });
+        });
+
+        it("throws on other inputs", () => {
+            assert.throws(
+                () => ConfigOps.normalizeConfigGlobal("something else"),
+                /^'something else' is not a valid configuration for a global \(use 'readonly', 'writable', or 'off'\)$/u
+            );
+        });
+    });
+});
diff --git a/eslint/tests/lib/shared/config-validator.js b/eslint/tests/lib/shared/config-validator.js
new file mode 100644
index 0000000..95976fc
--- /dev/null
+++ b/eslint/tests/lib/shared/config-validator.js
@@ -0,0 +1,469 @@
+/**
+ * @fileoverview Tests for config validator.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    { Linter } = require("../../../lib/linter"),
+    validator = require("../../../lib/shared/config-validator"),
+    Rules = require("../../../lib/linter/rules");
+const linter = new Linter();
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+/**
+ * Fake a rule object
+ * @param {Object} context context passed to the rules by eslint
+ * @returns {Object} mocked rule listeners
+ * @private
+ */
+function mockRule(context) {
+    return {
+        Program(node) {
+            context.report(node, "Expected a validation error.");
+        }
+    };
+}
+
+mockRule.schema = [
+    {
+        enum: ["first", "second"]
+    }
+];
+
+/**
+ * Fake a rule object
+ * @param {Object} context context passed to the rules by eslint
+ * @returns {Object} mocked rule listeners
+ * @private
+ */
+function mockObjectRule(context) {
+    return {
+        Program(node) {
+            context.report(node, "Expected a validation error.");
+        }
+    };
+}
+
+mockObjectRule.schema = {
+    enum: ["first", "second"]
+};
+
+/**
+ * Fake a rule with no options
+ * @param {Object} context context passed to the rules by eslint
+ * @returns {Object} mocked rule listeners
+ * @private
+ */
+function mockNoOptionsRule(context) {
+    return {
+        Program(node) {
+            context.report(node, "Expected a validation error.");
+        }
+    };
+}
+
+mockNoOptionsRule.schema = [];
+
+const mockRequiredOptionsRule = {
+    meta: {
+        schema: {
+            type: "array",
+            minItems: 1
+        }
+    },
+    create(context) {
+        return {
+            Program(node) {
+                context.report(node, "Expected a validation error.");
+            }
+        };
+    }
+};
+
+describe("Validator", () => {
+
+    /**
+     * Gets a loaded rule given a rule ID
+     * @param {string} ruleId The ID of the rule
+     * @returns {{create: Function}} The loaded rule
+     */
+    function ruleMapper(ruleId) {
+        return linter.getRules().get(ruleId) || new Rules().get(ruleId);
+    }
+
+    beforeEach(() => {
+        linter.defineRule("mock-rule", mockRule);
+        linter.defineRule("mock-required-options-rule", mockRequiredOptionsRule);
+    });
+
+    describe("validate", () => {
+
+        it("should do nothing with an empty config", () => {
+            validator.validate({}, "tests", ruleMapper);
+        });
+
+        it("should do nothing with a valid eslint config", () => {
+            validator.validate(
+                {
+                    $schema: "http://json.schemastore.org/eslintrc",
+                    root: true,
+                    globals: { globalFoo: "readonly" },
+                    parser: "parserFoo",
+                    env: { browser: true },
+                    plugins: ["pluginFoo", "pluginBar"],
+                    settings: { foo: "bar" },
+                    extends: ["configFoo", "configBar"],
+                    parserOptions: { foo: "bar" },
+                    rules: {}
+                },
+                "tests",
+                ruleMapper
+            );
+        });
+
+        it("should throw with an unknown property", () => {
+            const fn = validator.validate.bind(
+                null,
+                {
+                    foo: true
+                },
+                "tests",
+                ruleMapper
+            );
+
+            assert.throws(fn, "Unexpected top-level property \"foo\".");
+        });
+
+        describe("root", () => {
+            it("should throw with a string value", () => {
+                const fn = validator.validate.bind(null, { root: "true" }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"root\" is the wrong type (expected boolean but got `\"true\"`).");
+            });
+
+            it("should throw with a numeric value", () => {
+                const fn = validator.validate.bind(null, { root: 0 }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"root\" is the wrong type (expected boolean but got `0`).");
+            });
+        });
+
+        describe("globals", () => {
+            it("should throw with a string value", () => {
+                const fn = validator.validate.bind(null, { globals: "jQuery" }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"globals\" is the wrong type (expected object but got `\"jQuery\"`).");
+            });
+
+            it("should throw with an array value", () => {
+                const fn = validator.validate.bind(null, { globals: ["jQuery"] }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"globals\" is the wrong type (expected object but got `[\"jQuery\"]`).");
+            });
+        });
+
+        describe("parser", () => {
+            it("should not throw with a null value", () => {
+                validator.validate({ parser: null }, null, ruleMapper);
+            });
+        });
+
+        describe("env", () => {
+
+            it("should throw with an array environment", () => {
+                const fn = validator.validate.bind(null, { env: [] }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"env\" is the wrong type (expected object but got `[]`).");
+            });
+
+            it("should throw with a primitive environment", () => {
+                const fn = validator.validate.bind(null, { env: 1 }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"env\" is the wrong type (expected object but got `1`).");
+            });
+
+            it("should catch invalid environments", () => {
+                const fn = validator.validate.bind(null, { env: { browser: true, invalid: true } }, null, ruleMapper);
+
+                assert.throws(fn, "Environment key \"invalid\" is unknown\n");
+            });
+
+            it("should catch disabled invalid environments", () => {
+                const fn = validator.validate.bind(null, { env: { browser: true, invalid: false } }, null, ruleMapper);
+
+                assert.throws(fn, "Environment key \"invalid\" is unknown\n");
+            });
+
+            it("should do nothing with an undefined environment", () => {
+                validator.validate({}, null, ruleMapper);
+            });
+
+        });
+
+        describe("plugins", () => {
+            it("should not throw with an empty array", () => {
+                validator.validate({ plugins: [] }, null, ruleMapper);
+            });
+
+            it("should throw with a string", () => {
+                const fn = validator.validate.bind(null, { plugins: "react" }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"plugins\" is the wrong type (expected array but got `\"react\"`).");
+            });
+        });
+
+        describe("settings", () => {
+            it("should not throw with an empty object", () => {
+                validator.validate({ settings: {} }, null, ruleMapper);
+            });
+
+            it("should throw with an array", () => {
+                const fn = validator.validate.bind(null, { settings: ["foo"] }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"settings\" is the wrong type (expected object but got `[\"foo\"]`).");
+            });
+        });
+
+        describe("extends", () => {
+            it("should not throw with an empty array", () => {
+                validator.validate({ extends: [] }, null, ruleMapper);
+            });
+
+            it("should not throw with a string", () => {
+                validator.validate({ extends: "react" }, null, ruleMapper);
+            });
+
+            it("should throw with an object", () => {
+                const fn = validator.validate.bind(null, { extends: {} }, null, ruleMapper);
+
+                assert.throws(fn, "ESLint configuration in null is invalid:\n\t- Property \"extends\" is the wrong type (expected string but got `{}`).\n\t- Property \"extends\" is the wrong type (expected array but got `{}`).\n\t- \"extends\" should match exactly one schema in oneOf. Value: {}.");
+            });
+        });
+
+        describe("parserOptions", () => {
+            it("should not throw with an empty object", () => {
+                validator.validate({ parserOptions: {} }, null, ruleMapper);
+            });
+
+            it("should throw with an array", () => {
+                const fn = validator.validate.bind(null, { parserOptions: ["foo"] }, null, ruleMapper);
+
+                assert.throws(fn, "Property \"parserOptions\" is the wrong type (expected object but got `[\"foo\"]`).");
+            });
+        });
+
+        describe("rules", () => {
+
+            it("should do nothing with an empty rules object", () => {
+                validator.validate({ rules: {} }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config with rules", () => {
+                validator.validate({ rules: { "mock-rule": [2, "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is off", () => {
+                validator.validate({ rules: { "mock-rule": ["off", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with an invalid config when severity is off", () => {
+                validator.validate({ rules: { "mock-required-options-rule": "off" } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with an invalid config when severity is an array with 'off'", () => {
+                validator.validate({ rules: { "mock-required-options-rule": ["off"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is warn", () => {
+                validator.validate({ rules: { "mock-rule": ["warn", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is error", () => {
+                validator.validate({ rules: { "mock-rule": ["error", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is Off", () => {
+                validator.validate({ rules: { "mock-rule": ["Off", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is Warn", () => {
+                validator.validate({ rules: { "mock-rule": ["Warn", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should do nothing with a valid config when severity is Error", () => {
+                validator.validate({ rules: { "mock-rule": ["Error", "second"] } }, "tests", ruleMapper);
+            });
+
+            it("should catch invalid rule options", () => {
+                const fn = validator.validate.bind(null, { rules: { "mock-rule": [3, "third"] } }, "tests", ruleMapper);
+
+                assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '3').\n");
+            });
+
+            it("should allow for rules with no options", () => {
+                linter.defineRule("mock-no-options-rule", mockNoOptionsRule);
+
+                validator.validate({ rules: { "mock-no-options-rule": 2 } }, "tests", ruleMapper);
+            });
+
+            it("should not allow options for rules with no options", () => {
+                linter.defineRule("mock-no-options-rule", mockNoOptionsRule);
+
+                const fn = validator.validate.bind(null, { rules: { "mock-no-options-rule": [2, "extra"] } }, "tests", ruleMapper);
+
+                assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-no-options-rule\" is invalid:\n\tValue [\"extra\"] should NOT have more than 0 items.\n");
+            });
+        });
+
+        describe("globals", () => {
+            it("should disallow globals set to invalid values", () => {
+                assert.throws(
+                    () => validator.validate({ globals: { foo: "AAAAA" } }, "tests", ruleMapper),
+                    "ESLint configuration of global 'foo' in tests is invalid:\n'AAAAA' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')"
+                );
+            });
+        });
+
+        describe("overrides", () => {
+            it("should not throw with an empty overrides array", () => {
+                validator.validate({ overrides: [] }, "tests", ruleMapper);
+            });
+
+            it("should not throw with a valid overrides array", () => {
+                validator.validate({ overrides: [{ files: "*", rules: {} }] }, "tests", ruleMapper);
+            });
+
+            it("should throw if override does not specify files", () => {
+                const fn = validator.validate.bind(null, { overrides: [{ rules: {} }] }, "tests", ruleMapper);
+
+                assert.throws(fn, "ESLint configuration in tests is invalid:\n\t- \"overrides[0]\" should have required property 'files'. Value: {\"rules\":{}}.\n");
+            });
+
+            it("should throw if override has an empty files array", () => {
+                const fn = validator.validate.bind(null, { overrides: [{ files: [] }] }, "tests", ruleMapper);
+
+                assert.throws(fn, "ESLint configuration in tests is invalid:\n\t- Property \"overrides[0].files\" is the wrong type (expected string but got `[]`).\n\t- \"overrides[0].files\" should NOT have fewer than 1 items. Value: [].\n\t- \"overrides[0].files\" should match exactly one schema in oneOf. Value: [].\n");
+            });
+
+            it("should not throw if override has nested overrides", () => {
+                validator.validate({ overrides: [{ files: "*", overrides: [{ files: "*", rules: {} }] }] }, "tests", ruleMapper);
+            });
+
+            it("should not throw if override extends", () => {
+                validator.validate({ overrides: [{ files: "*", extends: "eslint-recommended" }] }, "tests", ruleMapper);
+            });
+
+            it("should throw if override tries to set root", () => {
+                const fn = validator.validate.bind(null, { overrides: [{ files: "*", root: "true" }] }, "tests", ruleMapper);
+
+                assert.throws(fn, "ESLint configuration in tests is invalid:\n\t- Unexpected top-level property \"overrides[0].root\".\n");
+            });
+
+            describe("env", () => {
+
+                it("should catch invalid environments", () => {
+                    const fn = validator.validate.bind(null, { overrides: [{ files: "*", env: { browser: true, invalid: true } }] }, null, ruleMapper);
+
+                    assert.throws(fn, "Environment key \"invalid\" is unknown\n");
+                });
+
+                it("should catch disabled invalid environments", () => {
+                    const fn = validator.validate.bind(null, { overrides: [{ files: "*", env: { browser: true, invalid: false } }] }, null, ruleMapper);
+
+                    assert.throws(fn, "Environment key \"invalid\" is unknown\n");
+                });
+
+            });
+
+            describe("rules", () => {
+
+                it("should catch invalid rule options", () => {
+                    const fn = validator.validate.bind(null, { overrides: [{ files: "*", rules: { "mock-rule": [3, "third"] } }] }, "tests", ruleMapper);
+
+                    assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '3').\n");
+                });
+
+                it("should not allow options for rules with no options", () => {
+                    linter.defineRule("mock-no-options-rule", mockNoOptionsRule);
+
+                    const fn = validator.validate.bind(null, { overrides: [{ files: "*", rules: { "mock-no-options-rule": [2, "extra"] } }] }, "tests", ruleMapper);
+
+                    assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-no-options-rule\" is invalid:\n\tValue [\"extra\"] should NOT have more than 0 items.\n");
+                });
+            });
+
+        });
+
+    });
+
+    describe("getRuleOptionsSchema", () => {
+
+        it("should return null for a missing rule", () => {
+            assert.strictEqual(validator.getRuleOptionsSchema(ruleMapper("non-existent-rule")), null);
+        });
+
+        it("should not modify object schema", () => {
+            linter.defineRule("mock-object-rule", mockObjectRule);
+            assert.deepStrictEqual(validator.getRuleOptionsSchema(ruleMapper("mock-object-rule")), {
+                enum: ["first", "second"]
+            });
+        });
+
+    });
+
+    describe("validateRuleOptions", () => {
+
+        it("should throw for incorrect warning level number", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("mock-rule"), "mock-rule", 3, "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '3').\n");
+        });
+
+        it("should throw for incorrect warning level string", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("mock-rule"), "mock-rule", "booya", "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '\"booya\"').\n");
+        });
+
+        it("should throw for invalid-type warning level", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("mock-rule"), "mock-rule", [["error"]], "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '[ \"error\" ]').\n");
+        });
+
+        it("should only check warning level for nonexistent rules", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("non-existent-rule"), "non-existent-rule", [3, "foobar"], "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"non-existent-rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '3').\n");
+        });
+
+        it("should only check warning level for plugin rules", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("plugin/rule"), "plugin/rule", 3, "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"plugin/rule\" is invalid:\n\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '3').\n");
+        });
+
+        it("should throw for incorrect configuration values", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("mock-rule"), "mock-rule", [2, "frist"], "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tValue \"frist\" should be equal to one of the allowed values.\n");
+        });
+
+        it("should throw for too many configuration values", () => {
+            const fn = validator.validateRuleOptions.bind(null, ruleMapper("mock-rule"), "mock-rule", [2, "first", "second"], "tests");
+
+            assert.throws(fn, "tests:\n\tConfiguration for rule \"mock-rule\" is invalid:\n\tValue [\"first\",\"second\"] should NOT have more than 1 items.\n");
+        });
+
+    });
+
+});
diff --git a/eslint/tests/lib/shared/naming.js b/eslint/tests/lib/shared/naming.js
new file mode 100644
index 0000000..0a868a8
--- /dev/null
+++ b/eslint/tests/lib/shared/naming.js
@@ -0,0 +1,65 @@
+/**
+ * @fileoverview Tests for naming util
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    leche = require("leche"),
+    naming = require("../../../lib/shared/naming");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("naming", () => {
+    describe("normalizePackageName()", () => {
+
+        leche.withData([
+            ["foo", "eslint-config-foo"],
+            ["eslint-config-foo", "eslint-config-foo"],
+            ["@z/foo", "@z/eslint-config-foo"],
+            ["@z\\foo", "@z/eslint-config-foo"],
+            ["@z\\foo\\bar.js", "@z/eslint-config-foo/bar.js"],
+            ["@z/eslint-config", "@z/eslint-config"],
+            ["@z/eslint-config-foo", "@z/eslint-config-foo"]
+        ], (input, expected) => {
+            it(`should return ${expected} when passed ${input}`, () => {
+                const result = naming.normalizePackageName(input, "eslint-config");
+
+                assert.strictEqual(result, expected);
+            });
+        });
+
+    });
+
+    describe("getShorthandName()", () => {
+
+        leche.withData([
+            ["foo", "foo"],
+            ["eslint-config-foo", "foo"],
+            ["@z", "@z"],
+            ["@z/eslint-config", "@z"],
+            ["@z/foo", "@z/foo"],
+            ["@z/eslint-config-foo", "@z/foo"]
+        ], (input, expected) => {
+            it(`should return ${expected} when passed ${input}`, () => {
+                const result = naming.getShorthandName(input, "eslint-config");
+
+                assert.strictEqual(result, expected);
+            });
+        });
+
+    });
+
+    describe("getNamespaceFromTerm()", () => {
+        it("should remove namespace when passed with namespace", () => {
+            const namespace = naming.getNamespaceFromTerm("@namespace/eslint-plugin-test");
+
+            assert.strictEqual(namespace, "@namespace/");
+        });
+    });
+});
diff --git a/eslint/tests/lib/shared/runtime-info.js b/eslint/tests/lib/shared/runtime-info.js
new file mode 100644
index 0000000..79c50a4
--- /dev/null
+++ b/eslint/tests/lib/shared/runtime-info.js
@@ -0,0 +1,216 @@
+/**
+ * @fileoverview Tests for RuntimeInfo util.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert;
+const sinon = require("sinon");
+const spawn = require("cross-spawn");
+const { unIndent } = require("../_utils");
+const RuntimeInfo = require("../../../lib/shared/runtime-info");
+const log = require("../../../lib/shared/logging");
+const packageJson = require("../../../package.json");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Sets up spawn.sync() stub calls to return values and throw errors in the order in which they are given.
+ * @param {Function} stub The stub to set up.
+ * @param {Array} returnVals Values to be returned by subsequent stub calls.
+ * @returns {Function} The set up stub.
+ */
+function setupSpawnSyncStubReturnVals(stub, returnVals) {
+    let stubChain = stub;
+
+    for (const [i, val] of returnVals.entries()) {
+        const returnVal = val instanceof Error
+            ? { error: val }
+            : { stdout: val };
+
+        stubChain = stubChain.onCall(i).returns(returnVal);
+    }
+
+    return stubChain;
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const LOCAL_ESLINT_BIN_PATH = "/Users/username/code/project/node_modules/eslint/bin/eslint.js";
+const GLOBAL_ESLINT_BIN_PATH = "/usr/local/bin/npm/node_modules/eslint/bin/eslint.js";
+const NPM_BIN_PATH = "/usr/local/bin/npm";
+
+describe("RuntimeInfo", () => {
+    describe("environment()", () => {
+        let spawnSyncStub;
+        let logErrorStub;
+        let originalProcessArgv;
+        let spawnSyncStubArgs;
+
+        beforeEach(() => {
+            spawnSyncStub = sinon.stub(spawn, "sync");
+            logErrorStub = sinon.stub(log, "error");
+            originalProcessArgv = process.argv;
+            process.argv[1] = LOCAL_ESLINT_BIN_PATH;
+            spawnSyncStubArgs = [
+                "v12.8.0",
+                "6.11.3",
+                unIndent`
+                    {
+                        "name": "project",
+                        "version": "1.0.0",
+                        "dependencies": {
+                            "eslint": {
+                                "version": "6.3.0"
+                            }
+                        }
+                    }
+                `,
+                NPM_BIN_PATH,
+                unIndent`
+                    {
+                        "dependencies": {
+                            "eslint": {
+                                "version": "5.16.0",
+                                "from": "eslint",
+                                "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.16.0.tgz"
+                            }
+                        }
+                    }
+                `
+            ];
+        });
+
+        afterEach(() => {
+            spawnSyncStub.restore();
+            logErrorStub.restore();
+            process.argv = originalProcessArgv;
+        });
+
+
+        it("should return a string containing environment information when running local installation", () => {
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.strictEqual(
+                RuntimeInfo.environment(),
+                unIndent`
+                    Environment Info:
+
+                    Node version: v12.8.0
+                    npm version: v6.11.3
+                    Local ESLint version: v6.3.0 (Currently used)
+                    Global ESLint version: v5.16.0
+                `
+            );
+        });
+
+        it("should return a string containing environment information when running global installation", () => {
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+            process.argv[1] = GLOBAL_ESLINT_BIN_PATH;
+
+            assert.strictEqual(
+                RuntimeInfo.environment(),
+                unIndent`
+                    Environment Info:
+
+                    Node version: v12.8.0
+                    npm version: v6.11.3
+                    Local ESLint version: v6.3.0
+                    Global ESLint version: v5.16.0 (Currently used)
+                `
+            );
+        });
+
+        it("should return a string containing environment information when not installed locally", () => {
+            spawnSyncStubArgs.splice(2, 2, unIndent`
+                {
+                    "name": "project",
+                    "version": "1.0.0"
+                }
+            `);
+            spawnSyncStubArgs.push(NPM_BIN_PATH);
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+            process.argv[1] = GLOBAL_ESLINT_BIN_PATH;
+
+            assert.strictEqual(
+                RuntimeInfo.environment(),
+                unIndent`
+                    Environment Info:
+
+                    Node version: v12.8.0
+                    npm version: v6.11.3
+                    Local ESLint version: Not found
+                    Global ESLint version: v5.16.0 (Currently used)
+                `
+            );
+        });
+
+        it("should return a string containing environment information when not installed globally", () => {
+            spawnSyncStubArgs[4] = "{}";
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.strictEqual(
+                RuntimeInfo.environment(),
+                unIndent`
+                    Environment Info:
+
+                    Node version: v12.8.0
+                    npm version: v6.11.3
+                    Local ESLint version: v6.3.0 (Currently used)
+                    Global ESLint version: Not found
+                `
+            );
+        });
+
+        it("log and throw an error when npm version can not be found", () => {
+            const expectedErr = new Error("npm can not be found");
+
+            spawnSyncStubArgs[1] = expectedErr;
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.throws(RuntimeInfo.environment, expectedErr);
+            assert.strictEqual(logErrorStub.args[0][0], "Error finding npm version running the command `npm --version`");
+        });
+
+        it("log and throw an error when npm binary path can not be found", () => {
+            const expectedErr = new Error("npm can not be found");
+
+            spawnSyncStubArgs[3] = expectedErr;
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.throws(RuntimeInfo.environment, expectedErr);
+            assert.strictEqual(logErrorStub.args[0][0], "Error finding npm binary path when running command `npm bin -g`");
+        });
+
+        it("log and throw an error when checking for local ESLint version when returned output of command is malformed", () => {
+            spawnSyncStubArgs[2] = "This is not JSON";
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.throws(RuntimeInfo.environment, "Unexpected token T in JSON at position 0");
+            assert.strictEqual(logErrorStub.args[0][0], "Error finding eslint version running the command `npm ls --depth=0 --json eslint`");
+        });
+
+        it("log and throw an error when checking for global ESLint version when returned output of command is malformed", () => {
+            spawnSyncStubArgs[4] = "This is not JSON";
+            setupSpawnSyncStubReturnVals(spawnSyncStub, spawnSyncStubArgs);
+
+            assert.throws(RuntimeInfo.environment, "Unexpected token T in JSON at position 0");
+            assert.strictEqual(logErrorStub.args[0][0], "Error finding eslint version running the command `npm ls --depth=0 --json eslint -g`");
+        });
+    });
+
+    describe("version()", () => {
+        it("should return the version of the package defined in package.json", () => {
+            assert.strictEqual(RuntimeInfo.version(), `v${packageJson.version}`);
+        });
+    });
+});
diff --git a/eslint/tests/lib/shared/traverser.js b/eslint/tests/lib/shared/traverser.js
new file mode 100644
index 0000000..5fbfb86
--- /dev/null
+++ b/eslint/tests/lib/shared/traverser.js
@@ -0,0 +1,82 @@
+"use strict";
+
+const assert = require("chai").assert;
+const Traverser = require("../../../lib/shared/traverser");
+
+describe("Traverser", () => {
+    it("traverses all keys except 'parent', 'leadingComments', and 'trailingComments'", () => {
+        const traverser = new Traverser();
+        const fakeAst = {
+            type: "Program",
+            body: [
+                {
+                    type: "ExpressionStatement",
+                    leadingComments: {
+                        type: "Line"
+                    },
+                    trailingComments: {
+                        type: "Block"
+                    }
+                },
+                {
+                    type: "FooStatement",
+                    foo: {
+                        type: "BarStatement"
+                    }
+                }
+            ]
+        };
+
+        fakeAst.body[0].parent = fakeAst;
+
+        const enteredNodes = [];
+        const exitedNodes = [];
+
+        traverser.traverse(fakeAst, {
+            enter: node => enteredNodes.push(node),
+            leave: node => exitedNodes.push(node)
+        });
+
+        assert.deepStrictEqual(enteredNodes, [fakeAst, fakeAst.body[0], fakeAst.body[1], fakeAst.body[1].foo]);
+        assert.deepStrictEqual(exitedNodes, [fakeAst.body[0], fakeAst.body[1].foo, fakeAst.body[1], fakeAst]);
+    });
+
+    it("traverses AST as using 'visitorKeys' option if given", () => {
+        const traverser = new Traverser();
+        const fakeAst = {
+            type: "Program",
+            body: [
+                {
+                    type: "ClassDeclaration",
+                    id: {
+                        type: "Identifier"
+                    },
+                    superClass: null,
+                    body: {
+                        type: "ClassBody",
+                        body: []
+                    },
+                    experimentalDecorators: [
+                        {
+                            type: "Decorator",
+                            expression: {}
+                        }
+                    ]
+                }
+            ]
+        };
+
+        fakeAst.body[0].parent = fakeAst;
+
+        const visited = [];
+
+        // with 'visitorKeys' option to traverse decorators.
+        traverser.traverse(fakeAst, {
+            enter: node => visited.push(node.type),
+            visitorKeys: Object.assign({}, Traverser.DEFAULT_VISITOR_KEYS, {
+                ClassDeclaration: Traverser.DEFAULT_VISITOR_KEYS.ClassDeclaration.concat(["experimentalDecorators"])
+            })
+        });
+        assert.deepStrictEqual(visited, ["Program", "ClassDeclaration", "Identifier", "ClassBody", "Decorator"]);
+    });
+});
diff --git a/eslint/tests/lib/source-code/source-code.js b/eslint/tests/lib/source-code/source-code.js
new file mode 100644
index 0000000..e89f9a3
--- /dev/null
+++ b/eslint/tests/lib/source-code/source-code.js
@@ -0,0 +1,2741 @@
+/**
+ * @fileoverview Abstraction of JavaScript source code.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    assert = require("chai").assert,
+    espree = require("espree"),
+    sinon = require("sinon"),
+    leche = require("leche"),
+    { Linter } = require("../../../lib/linter"),
+    SourceCode = require("../../../lib/source-code/source-code"),
+    astUtils = require("../../../lib/shared/ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_CONFIG = {
+    ecmaVersion: 6,
+    comment: true,
+    tokens: true,
+    range: true,
+    loc: true
+};
+const linter = new Linter();
+const AST = espree.parse("let foo = bar;", DEFAULT_CONFIG),
+    TEST_CODE = "var answer = 6 * 7;",
+    SHEBANG_TEST_CODE = `#!/usr/bin/env node\n${TEST_CODE}`;
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("SourceCode", () => {
+
+    describe("new SourceCode()", () => {
+
+        it("should create a new instance when called with valid data", () => {
+            const ast = { comments: [], tokens: [], loc: {}, range: [] };
+            const sourceCode = new SourceCode("foo;", ast);
+
+            assert.isObject(sourceCode);
+            assert.strictEqual(sourceCode.text, "foo;");
+            assert.strictEqual(sourceCode.ast, ast);
+        });
+
+        it("should create a new instance when called with valid optional data", () => {
+            const parserServices = {};
+            const scopeManager = {};
+            const visitorKeys = {};
+            const ast = { comments: [], tokens: [], loc: {}, range: [] };
+            const sourceCode = new SourceCode({ text: "foo;", ast, parserServices, scopeManager, visitorKeys });
+
+            assert.isObject(sourceCode);
+            assert.strictEqual(sourceCode.text, "foo;");
+            assert.strictEqual(sourceCode.ast, ast);
+            assert.strictEqual(sourceCode.parserServices, parserServices);
+            assert.strictEqual(sourceCode.scopeManager, scopeManager);
+            assert.strictEqual(sourceCode.visitorKeys, visitorKeys);
+        });
+
+        it("should split text into lines when called with valid data", () => {
+            const ast = { comments: [], tokens: [], loc: {}, range: [] };
+            const sourceCode = new SourceCode("foo;\nbar;", ast);
+
+            assert.isObject(sourceCode);
+            assert.strictEqual(sourceCode.lines.length, 2);
+            assert.strictEqual(sourceCode.lines[0], "foo;");
+            assert.strictEqual(sourceCode.lines[1], "bar;");
+        });
+
+        it("should throw an error when called with an AST that's missing tokens", () => {
+
+            assert.throws(
+                () => new SourceCode("foo;", { comments: [], loc: {}, range: [] }),
+                /missing the tokens array/u
+            );
+
+        });
+
+        it("should throw an error when called with an AST that's missing comments", () => {
+
+            assert.throws(
+                () => new SourceCode("foo;", { tokens: [], loc: {}, range: [] }),
+                /missing the comments array/u
+            );
+
+        });
+
+        it("should throw an error when called with an AST that's missing location", () => {
+
+            assert.throws(
+                () => new SourceCode("foo;", { comments: [], tokens: [], range: [] }),
+                /missing location information/u
+            );
+
+        });
+
+        it("should throw an error when called with an AST that's missing range", () => {
+
+            assert.throws(
+                () => new SourceCode("foo;", { comments: [], tokens: [], loc: {} }),
+                /missing range information/u
+            );
+        });
+
+        it("should store all tokens and comments sorted by range", () => {
+            const comments = [
+                { range: [0, 2] },
+                { range: [10, 12] }
+            ];
+            const tokens = [
+                { range: [3, 8] },
+                { range: [8, 10] },
+                { range: [12, 20] }
+            ];
+            const sourceCode = new SourceCode("", { comments, tokens, loc: {}, range: [] });
+
+            const actual = sourceCode.tokensAndComments;
+            const expected = [comments[0], tokens[0], tokens[1], comments[1], tokens[2]];
+
+            assert.deepStrictEqual(actual, expected);
+        });
+
+        describe("if a text has BOM,", () => {
+            let sourceCode;
+
+            beforeEach(() => {
+                const ast = { comments: [], tokens: [], loc: {}, range: [] };
+
+                sourceCode = new SourceCode("\uFEFFconsole.log('hello');", ast);
+            });
+
+            it("should has true at `hasBOM` property.", () => {
+                assert.strictEqual(sourceCode.hasBOM, true);
+            });
+
+            it("should not has BOM in `text` property.", () => {
+                assert.strictEqual(sourceCode.text, "console.log('hello');");
+            });
+        });
+
+        describe("if a text doesn't have BOM,", () => {
+            let sourceCode;
+
+            beforeEach(() => {
+                const ast = { comments: [], tokens: [], loc: {}, range: [] };
+
+                sourceCode = new SourceCode("console.log('hello');", ast);
+            });
+
+            it("should has false at `hasBOM` property.", () => {
+                assert.strictEqual(sourceCode.hasBOM, false);
+            });
+
+            it("should not has BOM in `text` property.", () => {
+                assert.strictEqual(sourceCode.text, "console.log('hello');");
+            });
+        });
+
+        describe("when a text has a shebang", () => {
+            let sourceCode;
+
+            beforeEach(() => {
+                const ast = { comments: [{ type: "Line", value: "/usr/bin/env node", range: [0, 19] }], tokens: [], loc: {}, range: [] };
+
+                sourceCode = new SourceCode(SHEBANG_TEST_CODE, ast);
+            });
+
+            it("should change the type of the first comment to \"Shebang\"", () => {
+                const firstToken = sourceCode.getAllComments()[0];
+
+                assert.strictEqual(firstToken.type, "Shebang");
+            });
+        });
+
+        describe("when a text does not have a shebang", () => {
+            it("should not change the type of the first comment", () => {
+                const ast = { comments: [{ type: "Line", value: "comment", range: [0, 9] }], tokens: [], loc: {}, range: [] };
+                const sourceCode = new SourceCode("//comment\nconsole.log('hello');", ast);
+                const firstToken = sourceCode.getAllComments()[0];
+
+                assert.strictEqual(firstToken.type, "Line");
+            });
+        });
+
+        describe("when it read a UTF-8 file (has BOM), SourceCode", () => {
+            const UTF8_FILE = path.resolve(__dirname, "../../fixtures/utf8-bom.js");
+            const text = fs.readFileSync(
+                UTF8_FILE,
+                "utf8"
+            ).replace(/\r\n/gu, "\n"); // <-- For autocrlf of "git for Windows"
+            let sourceCode;
+
+            beforeEach(() => {
+                const ast = { comments: [], tokens: [], loc: {}, range: [] };
+
+                sourceCode = new SourceCode(text, ast);
+            });
+
+            it("to be clear, check the file has UTF-8 BOM.", () => {
+                const buffer = fs.readFileSync(UTF8_FILE);
+
+                assert.strictEqual(buffer[0], 0xEF);
+                assert.strictEqual(buffer[1], 0xBB);
+                assert.strictEqual(buffer[2], 0xBF);
+            });
+
+            it("should has true at `hasBOM` property.", () => {
+                assert.strictEqual(sourceCode.hasBOM, true);
+            });
+
+            it("should not has BOM in `text` property.", () => {
+                assert.strictEqual(
+                    sourceCode.text,
+                    "\"use strict\";\n\nconsole.log(\"This file has [0xEF, 0xBB, 0xBF] as BOM.\");\n"
+                );
+            });
+        });
+    });
+
+
+    describe("getJSDocComment()", () => {
+        afterEach(() => {
+            sinon.verifyAndRestore();
+        });
+
+        it("should not take a JSDoc comment from a FunctionDeclaration parent node when the node is a FunctionExpression", () => {
+
+            const code = [
+                "/** Desc*/",
+                "function Foo(){var t = function(){}}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc, null);
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+        it("should not take a JSDoc comment from a VariableDeclaration parent node when the node is a FunctionExpression inside a NewExpression", () => {
+
+            const code = [
+                "/** Desc*/",
+                "var x = new Foo(function(){});"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc, null);
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+        it("should not take a JSDoc comment from a FunctionExpression parent node when the node is a FunctionExpression", () => {
+
+            const code = [
+                "/** Desc*/",
+                "var f = function(){var t = function(arg){}}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                if (node.params.length === 1) {
+                    const sourceCode = linter.getSourceCode();
+                    const jsdoc = sourceCode.getJSDocComment(node);
+
+                    assert.strictEqual(jsdoc, null);
+                }
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledTwice, "Event handler should be called twice.");
+
+        });
+
+        it("should get JSDoc comment for FunctionExpression in a CallExpression", () => {
+            const code = [
+                "call(",
+                "  /** Documentation. */",
+                "  function(argName) {",
+                "    return 'the return';",
+                "  }",
+                ");"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Documentation. ");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionDeclaration", () => {
+
+            const code = [
+                "/** Desc*/",
+                "function Foo(){}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionDeclaration but its parent is an export", () => {
+
+            const code = [
+                "/** Desc*/",
+                "export function Foo(){}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, sourceType: "module" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+
+        it("should get JSDoc comment for node when the node is a FunctionDeclaration but not the first statement", () => {
+
+            const code = [
+                "'use strict';",
+                "/** Desc*/",
+                "function Foo(){}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+
+        it("should not get JSDoc comment for node when the node is a FunctionDeclaration inside of an IIFE without a JSDoc comment", () => {
+
+            const code = [
+                "/** Desc*/",
+                "(function(){",
+                "function Foo(){}",
+                "}())"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.isNull(jsdoc);
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionDeclaration and there are multiple comments", () => {
+
+            const code = [
+                "/* Code is good */",
+                "/** Desc*/",
+                "function Foo(){}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionDeclaration inside of an IIFE", () => {
+
+            const code = [
+                "/** Code is good */",
+                "(function() {",
+                "/** Desc*/",
+                "function Foo(){}",
+                "}())"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionExpression inside of an object literal", () => {
+
+            const code = [
+                "/** Code is good */",
+                "var o = {",
+                "/** Desc*/",
+                "foo: function(){}",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a ArrowFunctionExpression inside of an object literal", () => {
+
+            const code = [
+                "/** Code is good */",
+                "var o = {",
+                "/** Desc*/",
+                "foo: () => {}",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ ArrowFunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionExpression in an assignment", () => {
+
+            const code = [
+                "/** Code is good */",
+                "/** Desc*/",
+                "Foo.bar = function(){}"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Desc");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a FunctionExpression in an assignment inside an IIFE", () => {
+
+            const code = [
+                "/** Code is good */",
+                "(function iife() {",
+                "/** Desc*/",
+                "Foo.bar = function(){}",
+                "}());"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                if (!node.id) {
+                    const sourceCode = linter.getSourceCode();
+                    const jsdoc = sourceCode.getJSDocComment(node);
+
+                    assert.strictEqual(jsdoc.type, "Block");
+                    assert.strictEqual(jsdoc.value, "* Desc");
+                }
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledTwice, "Event handler should be called.");
+        });
+
+        it("should not get JSDoc comment for node when the node is a FunctionExpression in an assignment inside an IIFE without a JSDoc comment", () => {
+
+            const code = [
+                "/** Code is good */",
+                "(function iife() {",
+                "//* whatever",
+                "Foo.bar = function(){}",
+                "}());"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                if (!node.id) {
+                    const sourceCode = linter.getSourceCode();
+                    const jsdoc = sourceCode.getJSDocComment(node);
+
+                    assert.isNull(jsdoc);
+                }
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledTwice, "Event handler should be called.");
+        });
+
+        it("should not get JSDoc comment for node when the node is a FunctionExpression inside of a CallExpression", () => {
+
+            const code = [
+                "/** Code is good */",
+                "module.exports = (function() {",
+                "}());"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                if (!node.id) {
+                    const sourceCode = linter.getSourceCode();
+                    const jsdoc = sourceCode.getJSDocComment(node);
+
+                    assert.isNull(jsdoc);
+                }
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should not get JSDoc comment for node when the node is a FunctionExpression in an assignment inside an IIFE without a JSDoc comment", () => {
+
+            const code = [
+                "/**",
+                " * Merges two objects together.",
+                " * @param {Object} target of the cloning operation",
+                " * @param {Object} [source] object",
+                " * @returns {void}",
+                " */",
+                "exports.mixin = function(target, source) {",
+                "    Object.keys(source).forEach(function forEach(key) {",
+                "        target[key] = source[key];",
+                "    });",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                if (node.id) {
+                    const sourceCode = linter.getSourceCode();
+                    const jsdoc = sourceCode.getJSDocComment(node);
+
+                    assert.isNull(jsdoc);
+                }
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" } });
+            assert.isTrue(spy.calledTwice, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a ClassExpression", () => {
+
+            const code = [
+                "/** Merges two objects together.*/",
+                "var A = class {",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Merges two objects together.");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ ClassExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for node when the node is a ClassDeclaration", () => {
+
+            const code = [
+                "/** Merges two objects together.*/",
+                "class A {",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Merges two objects together.");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ ClassDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should not get JSDoc comment for class method even if the class has jsdoc present", () => {
+
+            const code = [
+                "/** Merges two objects together.*/",
+                "var A = class {",
+                "    constructor(xs) {}",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.isNull(jsdoc);
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should get JSDoc comment for function expression even if function has blank lines on top", () => {
+
+            const code = [
+                "/** Merges two objects together.*/",
+                "var A = ",
+                " ",
+                " ",
+                " ",
+                "     function() {",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.strictEqual(jsdoc.type, "Block");
+                assert.strictEqual(jsdoc.value, "* Merges two objects together.");
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionExpression: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+        it("should not get JSDoc comment for function declaration when the function has blank lines on top", () => {
+
+            const code = [
+                "/** Merges two objects together.*/",
+                " ",
+                " ",
+                " ",
+                "function test() {",
+                "};"
+            ].join("\n");
+
+            /**
+             * Check jsdoc presence
+             * @param {ASTNode} node not to check
+             * @returns {void}
+             * @private
+             */
+            function assertJSDoc(node) {
+                const sourceCode = linter.getSourceCode();
+                const jsdoc = sourceCode.getJSDocComment(node);
+
+                assert.isNull(jsdoc);
+            }
+
+            const spy = sinon.spy(assertJSDoc);
+
+            linter.defineRule("checker", () => ({ FunctionDeclaration: spy }));
+            linter.verify(code, { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6 } });
+            assert.isTrue(spy.calledOnce, "Event handler should be called.");
+        });
+
+    });
+
+    describe("getComments()", () => {
+        const config = { rules: { checker: "error" }, parserOptions: { ecmaVersion: 6, sourceType: "module" } };
+        let unusedAssertionFuncs;
+
+
+        beforeEach(() => {
+            unusedAssertionFuncs = new Set();
+        });
+
+        /**
+         * Check comment count
+         * @param {int} leading Leading comment count
+         * @param {int} trailing Trailing comment count
+         * @returns {Function} function to execute
+         * @private
+         */
+        function assertCommentCount(leading, trailing) {
+
+            /**
+             * Asserts the comment count for a node
+             * @param {ASTNode} node the node being traversed
+             * @returns {void}
+             */
+            function assertionFunc(node) {
+                unusedAssertionFuncs.delete(assertionFunc);
+                const sourceCode = linter.getSourceCode();
+                const comments = sourceCode.getComments(node);
+
+                assert.strictEqual(comments.leading.length, leading);
+                assert.strictEqual(comments.trailing.length, trailing);
+            }
+            unusedAssertionFuncs.add(assertionFunc);
+            return assertionFunc;
+        }
+
+        afterEach(() => {
+            assert.strictEqual(
+                unusedAssertionFuncs.size,
+                0,
+                "An assertion function was created with assertCommentCount, but the function was not called."
+            );
+        });
+
+        it("should return comments around nodes", () => {
+            const code = [
+                "// Leading comment for VariableDeclaration",
+                "var a = 42;",
+                "/* Trailing comment for VariableDeclaration */"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(1, 1),
+                VariableDeclarator: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments inside a block", () => {
+            const code = [
+                "{",
+                "    a();",
+                "    // Trailing comment for ExpressionStatement",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 1),
+                CallExpression: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments within a conditional", () => {
+            const code = [
+                "/* Leading comment for IfStatement */",
+                "if (/* Leading comment for Identifier */ a) {}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                IfStatement: assertCommentCount(1, 0),
+                Identifier: assertCommentCount(1, 0),
+                BlockStatement: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should not return comments within a previous node", () => {
+            const code = [
+                "function a() {",
+                "    var b = {",
+                "        // Trailing comment for ObjectExpression",
+                "    };",
+                "    return b;",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(0, 0),
+                VariableDeclarator: assertCommentCount(0, 0),
+                ObjectExpression: assertCommentCount(0, 1),
+                ReturnStatement: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments only for children of parent node", () => {
+            const code = [
+                "var foo = {",
+                "    bar: 'bar'",
+                "    // Trailing comment for Property",
+                "};",
+                "var baz;"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(0, 0),
+                VariableDeclarator: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                ObjectExpression: assertCommentCount(0, 0),
+                Property: assertCommentCount(0, 1),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments for an export default anonymous class", () => {
+            const code = [
+                "/**",
+                " * Leading comment for ExportDefaultDeclaration",
+                " */",
+                "export default class {",
+                "    /**",
+                "     * Leading comment for MethodDefinition",
+                "     */",
+                "    method1(){",
+                "    }",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ExportDefaultDeclaration: assertCommentCount(1, 0),
+                ClassDeclaration: assertCommentCount(0, 0),
+                ClassBody: assertCommentCount(0, 0),
+                MethodDefinition: assertCommentCount(1, 0),
+                Identifier: assertCommentCount(0, 0),
+                FunctionExpression: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return leading comments", () => {
+            const code = [
+                "// Leading comment for first VariableDeclaration",
+                "var a;",
+                "// Leading comment for previous VariableDeclaration and trailing comment for next VariableDeclaration",
+                "var b;"
+            ].join("\n");
+            let varDeclCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration(node) {
+                    if (varDeclCount === 0) {
+                        assertCommentCount(1, 1)(node);
+                    } else {
+                        assertCommentCount(1, 0)(node);
+                    }
+                    varDeclCount++;
+                },
+                VariableDeclarator: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return shebang comments", () => {
+            const code = [
+                "#!/usr/bin/env node", // Leading comment for following VariableDeclaration
+                "var a;",
+                "// Leading comment for previous VariableDeclaration and trailing comment for next VariableDeclaration",
+                "var b;"
+            ].join("\n");
+            let varDeclCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration(node) {
+                    if (varDeclCount === 0) {
+                        assertCommentCount(1, 1)(node);
+                    } else {
+                        assertCommentCount(1, 0)(node);
+                    }
+                    varDeclCount++;
+                },
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should include shebang comment when program only contains shebang", () => {
+            const code = "#!/usr/bin/env node";
+
+            linter.defineRule("checker", () => ({ Program: assertCommentCount(1, 0) }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return mixture of line and block comments", () => {
+            const code = [
+                "// Leading comment for VariableDeclaration",
+                "var zzz /* Trailing comment for Identifier */ = 777;",
+                "// Trailing comment for VariableDeclaration"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(1, 1),
+                VariableDeclarator: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 1),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments surrounding a call expression", () => {
+            const code = [
+                "function a() {",
+                "    /* Leading comment for ExpressionStatement */",
+                "    foo();",
+                "    /* Trailing comment for ExpressionStatement */",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(1, 1),
+                CallExpression: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments surrounding a debugger statement", () => {
+            const code = [
+                "function a() {",
+                "    /* Leading comment for DebuggerStatement */",
+                "    debugger;",
+                "    /* Trailing comment for DebuggerStatement */",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                DebuggerStatement: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments surrounding a return statement", () => {
+            const code = [
+                "function a() {",
+                "    /* Leading comment for ReturnStatement */",
+                "    return;",
+                "    /* Trailing comment for ReturnStatement */",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                ReturnStatement: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments surrounding a throw statement", () => {
+            const code = [
+                "function a() {",
+                "    /* Leading comment for ThrowStatement */",
+                "    throw 55;",
+                "    /* Trailing comment for ThrowStatement */",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                ThrowStatement: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments surrounding a while loop", () => {
+            const code = [
+                "function f() {",
+                "    /* Leading comment for WhileStatement */",
+                "    while (true) {}",
+                "    /* Trailing comment for WhileStatement and leading comment for VariableDeclaration */",
+                "    var each;",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                WhileStatement: assertCommentCount(1, 1),
+                Literal: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(1, 0),
+                VariableDeclarator: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return switch case fallthrough comments in functions", () => {
+            const code = [
+                "function bar(foo) {",
+                "    switch(foo) {",
+                "    /* Leading comment for SwitchCase */",
+                "    case 1:",
+                "        // falls through", // Trailing comment for previous SwitchCase and leading comment for next SwitchCase
+                "    case 2:",
+                "        doIt();",
+                "    }",
+                "}"
+            ].join("\n");
+            let switchCaseCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 0),
+                SwitchCase: node => {
+                    if (switchCaseCount === 0) {
+                        assertCommentCount(1, 1)(node);
+                    } else {
+                        assertCommentCount(1, 0)(node);
+                    }
+                    switchCaseCount++;
+                },
+                Literal: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 0),
+                CallExpression: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return switch case fallthrough comments", () => {
+            const code = [
+                "switch(foo) {",
+                "    /* Leading comment for SwitchCase */",
+                "case 1:",
+                "    // falls through", // Trailing comment for previous SwitchCase and leading comment for next SwitchCase
+                "case 2:",
+                "    doIt();",
+                "}"
+            ].join("\n");
+            let switchCaseCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 0),
+                SwitchCase: node => {
+                    if (switchCaseCount === 0) {
+                        assertCommentCount(1, 1)(node);
+                    } else {
+                        assertCommentCount(1, 0)(node);
+                    }
+                    switchCaseCount++;
+                },
+                Literal: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 0),
+                CallExpression: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return switch case no-default comments in functions", () => {
+            const code = [
+                "function bar(a) {",
+                "    switch (a) {",
+                "        case 2:",
+                "            break;",
+                "        case 1:",
+                "            break;",
+                "        // no default", // Trailing comment for SwitchCase
+                "    }",
+                "}"
+            ].join("\n");
+            let breakStatementCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 0),
+                SwitchCase: node => {
+                    if (breakStatementCount === 0) {
+                        assertCommentCount(0, 0)(node);
+                    } else {
+                        assertCommentCount(0, 1)(node);
+                    }
+                    breakStatementCount++;
+                },
+                BreakStatement: assertCommentCount(0, 0),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return switch case no-default comments", () => {
+            const code = [
+                "switch (a) {",
+                "    case 1:",
+                "        break;",
+                "    // no default", // Trailing comment for SwitchCase
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                SwitchCase: assertCommentCount(0, 1),
+                BreakStatement: assertCommentCount(0, 0),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return switch case no-default comments in nested functions", () => {
+            const code = [
+                "module.exports = function(context) {",
+                "    function isConstant(node) {",
+                "        switch (node.type) {",
+                "            case 'SequenceExpression':",
+                "                return isConstant(node.expressions[node.expressions.length - 1]);",
+                "            // no default", // Trailing comment for SwitchCase
+                "        }",
+                "        return false;",
+                "    }",
+                "};"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 0),
+                AssignmentExpression: assertCommentCount(0, 0),
+                MemberExpression: assertCommentCount(0, 0),
+                Identifier: assertCommentCount(0, 0),
+                FunctionExpression: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 0),
+                SwitchCase: assertCommentCount(0, 1),
+                ReturnStatement: assertCommentCount(0, 0),
+                CallExpression: assertCommentCount(0, 0),
+                BinaryExpression: assertCommentCount(0, 0),
+                Literal: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return leading comments if the code only contains comments", () => {
+            const code = [
+                "//comment",
+                "/*another comment*/"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({ Program: assertCommentCount(2, 0) }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments if a block statement only contains comments", () => {
+            const code = [
+                "{",
+                "    //comment",
+                "    /*another comment*/",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                BlockStatement: assertCommentCount(0, 2)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments if a class body only contains comments", () => {
+            const code = [
+                "class Foo {",
+                "    //comment",
+                "    /*another comment*/",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ClassDeclaration: assertCommentCount(0, 0),
+                ClassBody: assertCommentCount(0, 2)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments if an object only contains comments", () => {
+            const code = [
+                "({",
+                "    //comment",
+                "    /*another comment*/",
+                "})"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 0),
+                ObjectExpression: assertCommentCount(0, 2)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments if an array only contains comments", () => {
+            const code = [
+                "[",
+                "    //comment",
+                "    /*another comment*/",
+                "]"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ExpressionStatement: assertCommentCount(0, 0),
+                ArrayExpression: assertCommentCount(0, 2)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return trailing comments if a switch statement only contains comments", () => {
+            const code = [
+                "switch (foo) {",
+                "    //comment",
+                "    /*another comment*/",
+                "}"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(0, 2),
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments for multiple declarations with a single variable", () => {
+            const code = [
+                "// Leading comment for VariableDeclaration",
+                "var a, // Leading comment for next VariableDeclarator",
+                "    b, // Leading comment for next VariableDeclarator",
+                "    c; // Trailing comment for VariableDeclaration",
+                "// Trailing comment for VariableDeclaration"
+            ].join("\n");
+            let varDeclCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(1, 2),
+                VariableDeclarator: node => {
+                    if (varDeclCount === 0) {
+                        assertCommentCount(0, 0)(node);
+                    } else if (varDeclCount === 1) {
+                        assertCommentCount(1, 0)(node);
+                    } else {
+                        assertCommentCount(1, 0)(node);
+                    }
+                    varDeclCount++;
+                },
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return comments when comments exist between var keyword and VariableDeclarator", () => {
+            const code = [
+                "var // Leading comment for VariableDeclarator",
+                "    // Leading comment for VariableDeclarator",
+                "    a;"
+            ].join("\n");
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                VariableDeclaration: assertCommentCount(0, 0),
+                VariableDeclarator: assertCommentCount(2, 0),
+                Identifier: assertCommentCount(0, 0)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return attached comments between tokens to the correct nodes for empty function declarations", () => {
+            const code = "/* 1 */ function /* 2 */ foo(/* 3 */) /* 4 */ { /* 5 */ } /* 6 */";
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                FunctionDeclaration: assertCommentCount(1, 1),
+                Identifier: assertCommentCount(1, 0),
+                BlockStatement: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return attached comments between tokens to the correct nodes for empty class declarations", () => {
+            const code = "/* 1 */ class /* 2 */ Foo /* 3 */ extends /* 4 */ Bar /* 5 */ { /* 6 */ } /* 7 */";
+            let idCount = 0;
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                ClassDeclaration: assertCommentCount(1, 1),
+                Identifier: node => {
+                    if (idCount === 0) {
+                        assertCommentCount(1, 1)(node);
+                    } else {
+                        assertCommentCount(1, 1)(node);
+                    }
+                    idCount++;
+                },
+                ClassBody: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+
+        it("should return attached comments between tokens to the correct nodes for empty switch statements", () => {
+            const code = "/* 1 */ switch /* 2 */ (/* 3 */ foo /* 4 */) /* 5 */ { /* 6 */ } /* 7 */";
+
+            linter.defineRule("checker", () => ({
+                Program: assertCommentCount(0, 0),
+                SwitchStatement: assertCommentCount(1, 6),
+                Identifier: assertCommentCount(1, 1)
+            }));
+
+            assert.isEmpty(linter.verify(code, config));
+        });
+    });
+
+    describe("getLines()", () => {
+
+        it("should get proper lines when using \\n as a line break", () => {
+            const code = "a;\nb;",
+                ast = espree.parse(code, DEFAULT_CONFIG),
+                sourceCode = new SourceCode(code, ast);
+
+            const lines = sourceCode.getLines();
+
+            assert.strictEqual(lines[0], "a;");
+            assert.strictEqual(lines[1], "b;");
+        });
+
+        it("should get proper lines when using \\r\\n as a line break", () => {
+            const code = "a;\r\nb;",
+                ast = espree.parse(code, DEFAULT_CONFIG),
+                sourceCode = new SourceCode(code, ast);
+
+            const lines = sourceCode.getLines();
+
+            assert.strictEqual(lines[0], "a;");
+            assert.strictEqual(lines[1], "b;");
+        });
+
+        it("should get proper lines when using \\r as a line break", () => {
+            const code = "a;\rb;",
+                ast = espree.parse(code, DEFAULT_CONFIG),
+                sourceCode = new SourceCode(code, ast);
+
+            const lines = sourceCode.getLines();
+
+            assert.strictEqual(lines[0], "a;");
+            assert.strictEqual(lines[1], "b;");
+        });
+
+        it("should get proper lines when using \\u2028 as a line break", () => {
+            const code = "a;\u2028b;",
+                ast = espree.parse(code, DEFAULT_CONFIG),
+                sourceCode = new SourceCode(code, ast);
+
+            const lines = sourceCode.getLines();
+
+            assert.strictEqual(lines[0], "a;");
+            assert.strictEqual(lines[1], "b;");
+        });
+
+        it("should get proper lines when using \\u2029 as a line break", () => {
+            const code = "a;\u2029b;",
+                ast = espree.parse(code, DEFAULT_CONFIG),
+                sourceCode = new SourceCode(code, ast);
+
+            const lines = sourceCode.getLines();
+
+            assert.strictEqual(lines[0], "a;");
+            assert.strictEqual(lines[1], "b;");
+        });
+    });
+
+    describe("getText()", () => {
+
+        let sourceCode,
+            ast;
+
+        describe("when text begins with a shebang", () => {
+            it("should retrieve unaltered shebang text", () => {
+
+                // Shebangs are normalized to line comments before parsing.
+                ast = espree.parse(SHEBANG_TEST_CODE.replace(astUtils.shebangPattern, (match, captured) => `//${captured}`), DEFAULT_CONFIG);
+                sourceCode = new SourceCode(SHEBANG_TEST_CODE, ast);
+
+                const shebangToken = sourceCode.getAllComments()[0];
+                const shebangText = sourceCode.getText(shebangToken);
+
+                assert.strictEqual(shebangToken.type, "Shebang");
+                assert.strictEqual(shebangText, "#!/usr/bin/env node");
+            });
+        });
+
+        beforeEach(() => {
+            ast = espree.parse(TEST_CODE, DEFAULT_CONFIG);
+            sourceCode = new SourceCode(TEST_CODE, ast);
+        });
+
+        it("should retrieve all text when used without parameters", () => {
+            const text = sourceCode.getText();
+
+            assert.strictEqual(text, TEST_CODE);
+        });
+
+        it("should retrieve all text for root node", () => {
+            const text = sourceCode.getText(ast);
+
+            assert.strictEqual(text, TEST_CODE);
+        });
+
+        it("should clamp to valid range when retrieving characters before start of source", () => {
+            const text = sourceCode.getText(ast, 2, 0);
+
+            assert.strictEqual(text, TEST_CODE);
+        });
+
+        it("should retrieve all text for binary expression", () => {
+
+            const node = ast.body[0].declarations[0].init;
+            const text = sourceCode.getText(node);
+
+            assert.strictEqual(text, "6 * 7");
+        });
+
+        it("should retrieve all text plus two characters before for binary expression", () => {
+
+            const node = ast.body[0].declarations[0].init;
+            const text = sourceCode.getText(node, 2);
+
+            assert.strictEqual(text, "= 6 * 7");
+        });
+
+        it("should retrieve all text plus one character after for binary expression", () => {
+            const node = ast.body[0].declarations[0].init;
+            const text = sourceCode.getText(node, 0, 1);
+
+            assert.strictEqual(text, "6 * 7;");
+        });
+
+        it("should retrieve all text plus two characters before and one character after for binary expression", () => {
+            const node = ast.body[0].declarations[0].init;
+            const text = sourceCode.getText(node, 2, 1);
+
+            assert.strictEqual(text, "= 6 * 7;");
+        });
+
+    });
+
+
+    describe("getNodeByRangeIndex()", () => {
+
+        let sourceCode;
+
+        beforeEach(() => {
+            const ast = espree.parse(TEST_CODE, DEFAULT_CONFIG);
+
+            sourceCode = new SourceCode(TEST_CODE, ast);
+        });
+
+        it("should retrieve a node starting at the given index", () => {
+            const node = sourceCode.getNodeByRangeIndex(4);
+
+            assert.strictEqual(node.type, "Identifier");
+        });
+
+        it("should retrieve a node containing the given index", () => {
+            const node = sourceCode.getNodeByRangeIndex(6);
+
+            assert.strictEqual(node.type, "Identifier");
+        });
+
+        it("should retrieve a node that is exactly the given index", () => {
+            const node = sourceCode.getNodeByRangeIndex(13);
+
+            assert.strictEqual(node.type, "Literal");
+            assert.strictEqual(node.value, 6);
+        });
+
+        it("should retrieve a node ending with the given index", () => {
+            const node = sourceCode.getNodeByRangeIndex(9);
+
+            assert.strictEqual(node.type, "Identifier");
+        });
+
+        it("should retrieve the deepest node containing the given index", () => {
+            let node = sourceCode.getNodeByRangeIndex(14);
+
+            assert.strictEqual(node.type, "BinaryExpression");
+            node = sourceCode.getNodeByRangeIndex(3);
+            assert.strictEqual(node.type, "VariableDeclaration");
+        });
+
+        it("should return null if the index is outside the range of any node", () => {
+            let node = sourceCode.getNodeByRangeIndex(-1);
+
+            assert.isNull(node);
+            node = sourceCode.getNodeByRangeIndex(-99);
+            assert.isNull(node);
+        });
+    });
+
+    describe("isSpaceBetween()", () => {
+        describe("should return true when there is at least one whitespace character between two tokens", () => {
+            leche.withData([
+                ["let foo", true],
+                ["let  foo", true],
+                ["let /**/ foo", true],
+                ["let/**/foo", false],
+                ["let/*\n*/foo", false]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+
+            leche.withData([
+                ["a+b", false],
+                ["a +b", true],
+                ["a/**/+b", false],
+                ["a/* */+b", false],
+                ["a/**/ +b", true],
+                ["a/**/ /**/+b", true],
+                ["a/* */ /* */+b", true],
+                ["a/**/\n/**/+b", true],
+                ["a/* */\n/* */+b", true],
+                ["a/**/+b/**/+c", false],
+                ["a/* */+b/* */+c", false],
+                ["a/**/+b /**/+c", true],
+                ["a/* */+b /* */+c", true],
+                ["a/**/ +b/**/+c", true],
+                ["a/* */ +b/* */+c", true],
+                ["a/**/+b\t/**/+c", true],
+                ["a/* */+b\t/* */+c", true],
+                ["a/**/\t+b/**/+c", true],
+                ["a/* */\t+b/* */+c", true],
+                ["a/**/+b\n/**/+c", true],
+                ["a/* */+b\n/* */+c", true],
+                ["a/**/\n+b/**/+c", true],
+                ["a/* */\n+b/* */+c", true],
+                ["a/* */+' /**/ '/* */+c", false],
+                ["a/* */+ ' /**/ '/* */+c", true],
+                ["a/* */+' /**/ ' /* */+c", true],
+                ["a/* */+ ' /**/ ' /* */+c", true],
+                ["a/* */+` /*\n*/ `/* */+c", false],
+                ["a/* */+ ` /*\n*/ `/* */+c", true],
+                ["a/* */+` /*\n*/ ` /* */+c", true],
+                ["a/* */+ ` /*\n*/ ` /* */+c", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 2]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 2],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between a token and a node", () => {
+            leche.withData([
+                [";let foo = bar", false],
+                [";/**/let foo = bar", false],
+                [";/* */let foo = bar", false],
+                ["; let foo = bar", true],
+                ["; let foo = bar", true],
+                ["; /**/let foo = bar", true],
+                ["; /* */let foo = bar", true],
+                [";/**/ let foo = bar", true],
+                [";/* */ let foo = bar", true],
+                ["; /**/ let foo = bar", true],
+                ["; /* */ let foo = bar", true],
+                [";\tlet foo = bar", true],
+                [";\tlet foo = bar", true],
+                [";\t/**/let foo = bar", true],
+                [";\t/* */let foo = bar", true],
+                [";/**/\tlet foo = bar", true],
+                [";/* */\tlet foo = bar", true],
+                [";\t/**/\tlet foo = bar", true],
+                [";\t/* */\tlet foo = bar", true],
+                [";\nlet foo = bar", true],
+                [";\nlet foo = bar", true],
+                [";\n/**/let foo = bar", true],
+                [";\n/* */let foo = bar", true],
+                [";/**/\nlet foo = bar", true],
+                [";/* */\nlet foo = bar", true],
+                [";\n/**/\nlet foo = bar", true],
+                [";\n/* */\nlet foo = bar", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between a node and a token", () => {
+            leche.withData([
+                ["let foo = bar;;", false],
+                ["let foo = bar;;;", false],
+                ["let foo = 1; let bar = 2;;", true],
+                ["let foo = bar;/**/;", false],
+                ["let foo = bar;/* */;", false],
+                ["let foo = bar;;;", false],
+                ["let foo = bar; ;", true],
+                ["let foo = bar; /**/;", true],
+                ["let foo = bar; /* */;", true],
+                ["let foo = bar;/**/ ;", true],
+                ["let foo = bar;/* */ ;", true],
+                ["let foo = bar; /**/ ;", true],
+                ["let foo = bar; /* */ ;", true],
+                ["let foo = bar;\t;", true],
+                ["let foo = bar;\t/**/;", true],
+                ["let foo = bar;\t/* */;", true],
+                ["let foo = bar;/**/\t;", true],
+                ["let foo = bar;/* */\t;", true],
+                ["let foo = bar;\t/**/\t;", true],
+                ["let foo = bar;\t/* */\t;", true],
+                ["let foo = bar;\n;", true],
+                ["let foo = bar;\n/**/;", true],
+                ["let foo = bar;\n/* */;", true],
+                ["let foo = bar;/**/\n;", true],
+                ["let foo = bar;/* */\n;", true],
+                ["let foo = bar;\n/**/\n;", true],
+                ["let foo = bar;\n/* */\n;", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.body[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                                sourceCode.ast.body[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between two nodes", () => {
+            leche.withData([
+                ["let foo = bar;let baz = qux;", false],
+                ["let foo = bar;/**/let baz = qux;", false],
+                ["let foo = bar;/* */let baz = qux;", false],
+                ["let foo = bar; let baz = qux;", true],
+                ["let foo = bar; /**/let baz = qux;", true],
+                ["let foo = bar; /* */let baz = qux;", true],
+                ["let foo = bar;/**/ let baz = qux;", true],
+                ["let foo = bar;/* */ let baz = qux;", true],
+                ["let foo = bar; /**/ let baz = qux;", true],
+                ["let foo = bar; /* */ let baz = qux;", true],
+                ["let foo = bar;\tlet baz = qux;", true],
+                ["let foo = bar;\t/**/let baz = qux;", true],
+                ["let foo = bar;\t/* */let baz = qux;", true],
+                ["let foo = bar;/**/\tlet baz = qux;", true],
+                ["let foo = bar;/* */\tlet baz = qux;", true],
+                ["let foo = bar;\t/**/\tlet baz = qux;", true],
+                ["let foo = bar;\t/* */\tlet baz = qux;", true],
+                ["let foo = bar;\nlet baz = qux;", true],
+                ["let foo = bar;\n/**/let baz = qux;", true],
+                ["let foo = bar;\n/* */let baz = qux;", true],
+                ["let foo = bar;/**/\nlet baz = qux;", true],
+                ["let foo = bar;/* */\nlet baz = qux;", true],
+                ["let foo = bar;\n/**/\nlet baz = qux;", true],
+                ["let foo = bar;\n/* */\nlet baz = qux;", true],
+                ["let foo = 1;let foo2 = 2; let foo3 = 3;", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.body[0],
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetween(
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1],
+                                sourceCode.ast.body[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+
+            it("JSXText tokens that contain only whitespaces should NOT be handled as space", () => {
+                const code = "let jsx = <div>\n   {content}\n</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+                const interpolation = jsx.children[1];
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.openingElement, interpolation),
+                    false
+                );
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(interpolation, jsx.closingElement),
+                    false
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(interpolation, jsx.openingElement),
+                    false
+                );
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.closingElement, interpolation),
+                    false
+                );
+            });
+
+            it("JSXText tokens that contain both letters and whitespaces should NOT be handled as space", () => {
+                const code = "let jsx = <div>\n   Hello\n</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.openingElement, jsx.closingElement),
+                    false
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.closingElement, jsx.openingElement),
+                    false
+                );
+            });
+
+            it("JSXText tokens that contain only letters should NOT be handled as space", () => {
+                const code = "let jsx = <div>Hello</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.openingElement, jsx.closingElement),
+                    false
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetween(jsx.closingElement, jsx.openingElement),
+                    false
+                );
+            });
+        });
+
+        describe("should return false either of the arguments' location is inside the other one", () => {
+            leche.withData([
+                ["let foo = bar;", false]
+            ], (code, expected) => {
+                it(code, () => {
+                    const ast = espree.parse(code, DEFAULT_CONFIG),
+                        sourceCode = new SourceCode(code, ast);
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetween(
+                            sourceCode.ast.tokens[0],
+                            sourceCode.ast.body[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetween(
+                            sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                            sourceCode.ast.body[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetween(
+                            sourceCode.ast.body[0],
+                            sourceCode.ast.tokens[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetween(
+                            sourceCode.ast.body[0],
+                            sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                        ),
+                        expected
+                    );
+                });
+            });
+        });
+    });
+
+    describe("isSpaceBetweenTokens()", () => {
+        describe("should return true when there is at least one whitespace character between two tokens", () => {
+            leche.withData([
+                ["let foo", true],
+                ["let  foo", true],
+                ["let /**/ foo", true],
+                ["let/**/foo", false],
+                ["let/*\n*/foo", false]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+
+            leche.withData([
+                ["a+b", false],
+                ["a +b", true],
+                ["a/**/+b", false],
+                ["a/* */+b", false],
+                ["a/**/ +b", true],
+                ["a/**/ /**/+b", true],
+                ["a/* */ /* */+b", true],
+                ["a/**/\n/**/+b", true],
+                ["a/* */\n/* */+b", true],
+                ["a/**/+b/**/+c", false],
+                ["a/* */+b/* */+c", false],
+                ["a/**/+b /**/+c", true],
+                ["a/* */+b /* */+c", true],
+                ["a/**/ +b/**/+c", true],
+                ["a/* */ +b/* */+c", true],
+                ["a/**/+b\t/**/+c", true],
+                ["a/* */+b\t/* */+c", true],
+                ["a/**/\t+b/**/+c", true],
+                ["a/* */\t+b/* */+c", true],
+                ["a/**/+b\n/**/+c", true],
+                ["a/* */+b\n/* */+c", true],
+                ["a/**/\n+b/**/+c", true],
+                ["a/* */\n+b/* */+c", true],
+                ["a/* */+' /**/ '/* */+c", false],
+                ["a/* */+ ' /**/ '/* */+c", true],
+                ["a/* */+' /**/ ' /* */+c", true],
+                ["a/* */+ ' /**/ ' /* */+c", true],
+                ["a/* */+` /*\n*/ `/* */+c", false],
+                ["a/* */+ ` /*\n*/ `/* */+c", true],
+                ["a/* */+` /*\n*/ ` /* */+c", true],
+                ["a/* */+ ` /*\n*/ ` /* */+c", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 2]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 2],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between a token and a node", () => {
+            leche.withData([
+                [";let foo = bar", false],
+                [";/**/let foo = bar", false],
+                [";/* */let foo = bar", false],
+                ["; let foo = bar", true],
+                ["; let foo = bar", true],
+                ["; /**/let foo = bar", true],
+                ["; /* */let foo = bar", true],
+                [";/**/ let foo = bar", true],
+                [";/* */ let foo = bar", true],
+                ["; /**/ let foo = bar", true],
+                ["; /* */ let foo = bar", true],
+                [";\tlet foo = bar", true],
+                [";\tlet foo = bar", true],
+                [";\t/**/let foo = bar", true],
+                [";\t/* */let foo = bar", true],
+                [";/**/\tlet foo = bar", true],
+                [";/* */\tlet foo = bar", true],
+                [";\t/**/\tlet foo = bar", true],
+                [";\t/* */\tlet foo = bar", true],
+                [";\nlet foo = bar", true],
+                [";\nlet foo = bar", true],
+                [";\n/**/let foo = bar", true],
+                [";\n/* */let foo = bar", true],
+                [";/**/\nlet foo = bar", true],
+                [";/* */\nlet foo = bar", true],
+                [";\n/**/\nlet foo = bar", true],
+                [";\n/* */\nlet foo = bar", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[0],
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1],
+                                sourceCode.ast.tokens[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between a node and a token", () => {
+            leche.withData([
+                ["let foo = bar;;", false],
+                ["let foo = bar;;;", false],
+                ["let foo = 1; let bar = 2;;", true],
+                ["let foo = bar;/**/;", false],
+                ["let foo = bar;/* */;", false],
+                ["let foo = bar;;;", false],
+                ["let foo = bar; ;", true],
+                ["let foo = bar; /**/;", true],
+                ["let foo = bar; /* */;", true],
+                ["let foo = bar;/**/ ;", true],
+                ["let foo = bar;/* */ ;", true],
+                ["let foo = bar; /**/ ;", true],
+                ["let foo = bar; /* */ ;", true],
+                ["let foo = bar;\t;", true],
+                ["let foo = bar;\t/**/;", true],
+                ["let foo = bar;\t/* */;", true],
+                ["let foo = bar;/**/\t;", true],
+                ["let foo = bar;/* */\t;", true],
+                ["let foo = bar;\t/**/\t;", true],
+                ["let foo = bar;\t/* */\t;", true],
+                ["let foo = bar;\n;", true],
+                ["let foo = bar;\n/**/;", true],
+                ["let foo = bar;\n/* */;", true],
+                ["let foo = bar;/**/\n;", true],
+                ["let foo = bar;/* */\n;", true],
+                ["let foo = bar;\n/**/\n;", true],
+                ["let foo = bar;\n/* */\n;", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.body[0],
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                                sourceCode.ast.body[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+        });
+
+        describe("should return true when there is at least one whitespace character between two nodes", () => {
+            leche.withData([
+                ["let foo = bar;let baz = qux;", false],
+                ["let foo = bar;/**/let baz = qux;", false],
+                ["let foo = bar;/* */let baz = qux;", false],
+                ["let foo = bar; let baz = qux;", true],
+                ["let foo = bar; /**/let baz = qux;", true],
+                ["let foo = bar; /* */let baz = qux;", true],
+                ["let foo = bar;/**/ let baz = qux;", true],
+                ["let foo = bar;/* */ let baz = qux;", true],
+                ["let foo = bar; /**/ let baz = qux;", true],
+                ["let foo = bar; /* */ let baz = qux;", true],
+                ["let foo = bar;\tlet baz = qux;", true],
+                ["let foo = bar;\t/**/let baz = qux;", true],
+                ["let foo = bar;\t/* */let baz = qux;", true],
+                ["let foo = bar;/**/\tlet baz = qux;", true],
+                ["let foo = bar;/* */\tlet baz = qux;", true],
+                ["let foo = bar;\t/**/\tlet baz = qux;", true],
+                ["let foo = bar;\t/* */\tlet baz = qux;", true],
+                ["let foo = bar;\nlet baz = qux;", true],
+                ["let foo = bar;\n/**/let baz = qux;", true],
+                ["let foo = bar;\n/* */let baz = qux;", true],
+                ["let foo = bar;/**/\nlet baz = qux;", true],
+                ["let foo = bar;/* */\nlet baz = qux;", true],
+                ["let foo = bar;\n/**/\nlet baz = qux;", true],
+                ["let foo = bar;\n/* */\nlet baz = qux;", true],
+                ["let foo = 1;let foo2 = 2; let foo3 = 3;", true]
+            ], (code, expected) => {
+                describe("when the first given is located before the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.body[0],
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1]
+                            ),
+                            expected
+                        );
+                    });
+                });
+
+                describe("when the first given is located after the second", () => {
+                    it(code, () => {
+                        const ast = espree.parse(code, DEFAULT_CONFIG),
+                            sourceCode = new SourceCode(code, ast);
+
+                        assert.strictEqual(
+                            sourceCode.isSpaceBetweenTokens(
+                                sourceCode.ast.body[sourceCode.ast.body.length - 1],
+                                sourceCode.ast.body[0]
+                            ),
+                            expected
+                        );
+                    });
+                });
+            });
+
+            it("JSXText tokens that contain only whitespaces should be handled as space", () => {
+                const code = "let jsx = <div>\n   {content}\n</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+                const interpolation = jsx.children[1];
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.openingElement, interpolation),
+                    true
+                );
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(interpolation, jsx.closingElement),
+                    true
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(interpolation, jsx.openingElement),
+                    true
+                );
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.closingElement, interpolation),
+                    true
+                );
+            });
+
+            it("JSXText tokens that contain both letters and whitespaces should be handled as space", () => {
+                const code = "let jsx = <div>\n   Hello\n</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.openingElement, jsx.closingElement),
+                    true
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.closingElement, jsx.openingElement),
+                    true
+                );
+            });
+
+            it("JSXText tokens that contain only letters should NOT be handled as space", () => {
+                const code = "let jsx = <div>Hello</div>";
+                const ast = espree.parse(code, { ...DEFAULT_CONFIG, ecmaFeatures: { jsx: true } });
+                const sourceCode = new SourceCode(code, ast);
+                const jsx = ast.body[0].declarations[0].init;
+
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.openingElement, jsx.closingElement),
+                    false
+                );
+
+                // Reversed order
+                assert.strictEqual(
+                    sourceCode.isSpaceBetweenTokens(jsx.closingElement, jsx.openingElement),
+                    false
+                );
+            });
+        });
+
+        describe("should return false either of the arguments' location is inside the other one", () => {
+            leche.withData([
+                ["let foo = bar;", false]
+            ], (code, expected) => {
+                it(code, () => {
+                    const ast = espree.parse(code, DEFAULT_CONFIG),
+                        sourceCode = new SourceCode(code, ast);
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetweenTokens(
+                            sourceCode.ast.tokens[0],
+                            sourceCode.ast.body[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetweenTokens(
+                            sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1],
+                            sourceCode.ast.body[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetweenTokens(
+                            sourceCode.ast.body[0],
+                            sourceCode.ast.tokens[0]
+                        ),
+                        expected
+                    );
+
+                    assert.strictEqual(
+                        sourceCode.isSpaceBetweenTokens(
+                            sourceCode.ast.body[0],
+                            sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1]
+                        ),
+                        expected
+                    );
+                });
+            });
+        });
+    });
+
+    // need to check that linter.verify() works with SourceCode
+
+    describe("linter.verify()", () => {
+
+        const CONFIG = {
+            parserOptions: { ecmaVersion: 6 }
+        };
+
+        it("should work when passed a SourceCode object without a config", () => {
+            const ast = espree.parse(TEST_CODE, DEFAULT_CONFIG);
+
+            const sourceCode = new SourceCode(TEST_CODE, ast),
+                messages = linter.verify(sourceCode);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should work when passed a SourceCode object containing ES6 syntax and config", () => {
+            const sourceCode = new SourceCode("let foo = bar;", AST),
+                messages = linter.verify(sourceCode, CONFIG);
+
+            assert.strictEqual(messages.length, 0);
+        });
+
+        it("should report an error when using let and ecmaVersion is 6", () => {
+            const sourceCode = new SourceCode("let foo = bar;", AST),
+                messages = linter.verify(sourceCode, {
+                    parserOptions: { ecmaVersion: 6 },
+                    rules: { "no-unused-vars": 2 }
+                });
+
+            assert.strictEqual(messages.length, 1);
+            assert.strictEqual(messages[0].message, "'foo' is assigned a value but never used.");
+        });
+    });
+
+    describe("getLocFromIndex()", () => {
+        const CODE =
+            "foo\n" +
+            "bar\r\n" +
+            "baz\r" +
+            "qux\u2028" +
+            "foo\u2029" +
+            "\n" +
+            "qux\n";
+
+        let sourceCode;
+
+        beforeEach(() => {
+            sourceCode = new SourceCode(CODE, espree.parse(CODE, DEFAULT_CONFIG));
+        });
+
+        it("should return the location of a range index", () => {
+            assert.deepStrictEqual(sourceCode.getLocFromIndex(5), { line: 2, column: 1 });
+            assert.deepStrictEqual(sourceCode.getLocFromIndex(3), { line: 1, column: 3 });
+            assert.deepStrictEqual(sourceCode.getLocFromIndex(4), { line: 2, column: 0 });
+            assert.deepStrictEqual(sourceCode.getLocFromIndex(21), { line: 6, column: 0 });
+        });
+
+        it("should throw if given a bad input", () => {
+            assert.throws(
+                () => sourceCode.getLocFromIndex({ line: 1, column: 1 }),
+                /Expected `index` to be a number\./u
+            );
+        });
+
+        it("should not throw if given sourceCode.text.length", () => {
+            assert.deepStrictEqual(sourceCode.getLocFromIndex(CODE.length), { line: 8, column: 0 });
+        });
+
+        it("should throw if given an out-of-range input", () => {
+            assert.throws(
+                () => sourceCode.getLocFromIndex(CODE.length + 1),
+                /Index out of range \(requested index 27, but source text has length 26\)\./u
+            );
+        });
+
+        it("is symmetric with getIndexFromLoc()", () => {
+            for (let index = 0; index <= CODE.length; index++) {
+                assert.strictEqual(index, sourceCode.getIndexFromLoc(sourceCode.getLocFromIndex(index)));
+            }
+        });
+    });
+
+    describe("getIndexFromLoc()", () => {
+        const CODE =
+            "foo\n" +
+            "bar\r\n" +
+            "baz\r" +
+            "qux\u2028" +
+            "foo\u2029" +
+            "\n" +
+            "qux\n";
+
+        let sourceCode;
+
+        beforeEach(() => {
+            sourceCode = new SourceCode(CODE, espree.parse(CODE, DEFAULT_CONFIG));
+        });
+        it("should return the range index of a location", () => {
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 2, column: 1 }), 5);
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 1, column: 3 }), 3);
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 2, column: 0 }), 4);
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 7, column: 0 }), 22);
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 7, column: 3 }), 25);
+        });
+
+        it("should throw a useful error if given a malformed location", () => {
+            assert.throws(
+                () => sourceCode.getIndexFromLoc(5),
+                /Expected `loc` to be an object with numeric `line` and `column` properties\./u
+            );
+
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: "three", column: "four" }),
+                /Expected `loc` to be an object with numeric `line` and `column` properties\./u
+            );
+        });
+
+        it("should throw a useful error if `line` is out of range", () => {
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 9, column: 0 }),
+                /Line number out of range \(line 9 requested, but only 8 lines present\)\./u
+            );
+
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 50, column: 3 }),
+                /Line number out of range \(line 50 requested, but only 8 lines present\)\./u
+            );
+
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 0, column: 0 }),
+                /Line number out of range \(line 0 requested\)\. Line numbers should be 1-based\./u
+            );
+        });
+
+        it("should throw a useful error if `column` is out of range", () => {
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 3, column: 4 }),
+                /Column number out of range \(column 4 requested, but the length of line 3 is 4\)\./u
+            );
+
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 3, column: 50 }),
+                /Column number out of range \(column 50 requested, but the length of line 3 is 4\)\./u
+            );
+
+            assert.throws(
+                () => sourceCode.getIndexFromLoc({ line: 8, column: 1 }),
+                /Column number out of range \(column 1 requested, but the length of line 8 is 0\)\./u
+            );
+        });
+
+        it("should not throw if the location one spot past the last character is given", () => {
+            assert.strictEqual(sourceCode.getIndexFromLoc({ line: 8, column: 0 }), CODE.length);
+        });
+    });
+});
diff --git a/eslint/tests/lib/source-code/token-store.js b/eslint/tests/lib/source-code/token-store.js
new file mode 100644
index 0000000..ff54a6a
--- /dev/null
+++ b/eslint/tests/lib/source-code/token-store.js
@@ -0,0 +1,1407 @@
+/**
+ * @fileoverview Tests for TokenStore class.
+ * @author Brandon Mills
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("chai").assert,
+    espree = require("espree"),
+    TokenStore = require("../../../lib/source-code/token-store");
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const SOURCE_CODE = "/*A*/var answer/*B*/=/*C*/a/*D*/* b/*E*///F\n    call();\n/*Z*/",
+    AST = espree.parse(SOURCE_CODE, { loc: true, range: true, tokens: true, comment: true }),
+    TOKENS = AST.tokens,
+    COMMENTS = AST.comments,
+    Program = AST,
+    VariableDeclaration = Program.body[0],
+    VariableDeclarator = VariableDeclaration.declarations[0],
+    BinaryExpression = VariableDeclarator.init,
+    CallExpression = Program.body[1].expression;
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks the values of tokens against an array of expected values.
+ * @param {Token[]} tokens Tokens returned from the API.
+ * @param {string[]} expected Expected token values
+ * @returns {void}
+ */
+function check(tokens, expected) {
+    const length = tokens.length;
+
+    assert.strictEqual(length, expected.length);
+    for (let i = 0; i < length; i++) {
+        assert.strictEqual(tokens[i].value, expected[i]);
+    }
+}
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("TokenStore", () => {
+    const store = new TokenStore(TOKENS, COMMENTS);
+
+    describe("when calling getTokens", () => {
+
+        it("should retrieve all tokens for root node", () => {
+            check(
+                store.getTokens(Program),
+                ["var", "answer", "=", "a", "*", "b", "call", "(", ")", ";"]
+            );
+        });
+
+        it("should retrieve all tokens for binary expression", () => {
+            check(
+                store.getTokens(BinaryExpression),
+                ["a", "*", "b"]
+            );
+        });
+
+        it("should retrieve all tokens plus one before for binary expression", () => {
+            check(
+                store.getTokens(BinaryExpression, 1),
+                ["=", "a", "*", "b"]
+            );
+        });
+
+        it("should retrieve all tokens plus one after for binary expression", () => {
+            check(
+                store.getTokens(BinaryExpression, 0, 1),
+                ["a", "*", "b", "call"]
+            );
+        });
+
+        it("should retrieve all tokens plus two before and one after for binary expression", () => {
+            check(
+                store.getTokens(BinaryExpression, 2, 1),
+                ["answer", "=", "a", "*", "b", "call"]
+            );
+        });
+
+        it("should retrieve all matched tokens for root node with filter", () => {
+            check(
+                store.getTokens(Program, t => t.type === "Identifier"),
+                ["answer", "a", "b", "call"]
+            );
+            check(
+                store.getTokens(Program, { filter: t => t.type === "Identifier" }),
+                ["answer", "a", "b", "call"]
+            );
+        });
+
+        it("should retrieve all tokens and comments in the node for root node with includeComments option", () => {
+            check(
+                store.getTokens(Program, { includeComments: true }),
+                ["var", "answer", "B", "=", "C", "a", "D", "*", "b", "E", "F", "call", "(", ")", ";"]
+            );
+        });
+
+        it("should retrieve matched tokens and comments in the node for root node with includeComments and filter options", () => {
+            check(
+                store.getTokens(Program, { includeComments: true, filter: t => t.type.startsWith("Block") }),
+                ["B", "C", "D", "E"]
+            );
+        });
+
+        it("should retrieve all tokens and comments in the node for binary expression with includeComments option", () => {
+            check(
+                store.getTokens(BinaryExpression, { includeComments: true }),
+                ["a", "D", "*", "b"]
+            );
+        });
+
+    });
+
+    describe("when calling getTokensBefore", () => {
+
+        it("should retrieve zero tokens before a node", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, 0),
+                []
+            );
+        });
+
+        it("should retrieve one token before a node", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, 1),
+                ["="]
+            );
+        });
+
+        it("should retrieve more than one token before a node", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, 2),
+                ["answer", "="]
+            );
+        });
+
+        it("should retrieve all tokens before a node", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, 9e9),
+                ["var", "answer", "="]
+            );
+        });
+
+        it("should retrieve more than one token before a node with count option", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { count: 2 }),
+                ["answer", "="]
+            );
+        });
+
+        it("should retrieve matched tokens before a node with count and filter options", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { count: 1, filter: t => t.value !== "=" }),
+                ["answer"]
+            );
+        });
+
+        it("should retrieve all matched tokens before a node with filter option", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { filter: t => t.value !== "answer" }),
+                ["var", "="]
+            );
+        });
+
+        it("should retrieve no tokens before the root node", () => {
+            check(
+                store.getTokensBefore(Program, { count: 1 }),
+                []
+            );
+        });
+
+        it("should retrieve tokens and comments before a node with count and includeComments option", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { count: 3, includeComments: true }),
+                ["B", "=", "C"]
+            );
+        });
+
+        it("should retrieve all tokens and comments before a node with includeComments option only", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { includeComments: true }),
+                ["A", "var", "answer", "B", "=", "C"]
+            );
+        });
+
+        it("should retrieve all tokens and comments before a node with includeComments and filter options", () => {
+            check(
+                store.getTokensBefore(BinaryExpression, { includeComments: true, filter: t => t.type.startsWith("Block") }),
+                ["A", "B", "C"]
+            );
+        });
+
+    });
+
+    describe("when calling getTokenBefore", () => {
+
+        it("should retrieve one token before a node", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression).value,
+                "="
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, 1).value,
+                "answer"
+            );
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, 2).value,
+                "var"
+            );
+        });
+
+        it("should skip a given number of tokens with skip option", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { skip: 1 }).value,
+                "answer"
+            );
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { skip: 2 }).value,
+                "var"
+            );
+        });
+
+        it("should retrieve matched token with filter option", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, t => t.value !== "=").value,
+                "answer"
+            );
+        });
+
+        it("should retrieve matched token with skip and filter options", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { skip: 1, filter: t => t.value !== "=" }).value,
+                "var"
+            );
+        });
+
+        it("should retrieve one token or comment before a node with includeComments option", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { includeComments: true }).value,
+                "C"
+            );
+        });
+
+        it("should retrieve one token or comment before a node with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { includeComments: true, skip: 1 }).value,
+                "="
+            );
+        });
+
+        it("should retrieve one token or comment before a node with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getTokenBefore(BinaryExpression, { includeComments: true, skip: 1, filter: t => t.type.startsWith("Block") }).value,
+                "B"
+            );
+        });
+
+        it("should retrieve the previous node if the comment at the end of source code is specified.", () => {
+            const code = "a + b /*comment*/";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenBefore(ast.comments[0]);
+
+            assert.strictEqual(token.value, "b");
+        });
+
+        it("should retrieve the previous comment if the first token is specified.", () => {
+            const code = "/*comment*/ a + b";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenBefore(ast.tokens[0], { includeComments: true });
+
+            assert.strictEqual(token.value, "comment");
+        });
+
+        it("should retrieve null if the first comment is specified.", () => {
+            const code = "/*comment*/ a + b";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenBefore(ast.comments[0], { includeComments: true });
+
+            assert.strictEqual(token, null);
+        });
+
+    });
+
+    describe("when calling getTokensAfter", () => {
+
+        it("should retrieve zero tokens after a node", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, 0),
+                []
+            );
+        });
+
+        it("should retrieve one token after a node", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, 1),
+                ["="]
+            );
+        });
+
+        it("should retrieve more than one token after a node", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, 2),
+                ["=", "a"]
+            );
+        });
+
+        it("should retrieve all tokens after a node", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, 9e9),
+                ["=", "a", "*", "b", "call", "(", ")", ";"]
+            );
+        });
+
+        it("should retrieve more than one token after a node with count option", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { count: 2 }),
+                ["=", "a"]
+            );
+        });
+
+        it("should retrieve all matched tokens after a node with filter option", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { filter: t => t.type === "Identifier" }),
+                ["a", "b", "call"]
+            );
+        });
+
+        it("should retrieve matched tokens after a node with count and filter options", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { count: 2, filter: t => t.type === "Identifier" }),
+                ["a", "b"]
+            );
+        });
+
+        it("should retrieve all tokens and comments after a node with includeComments option", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { includeComments: true }),
+                ["B", "=", "C", "a", "D", "*", "b", "E", "F", "call", "(", ")", ";", "Z"]
+            );
+        });
+
+        it("should retrieve several tokens and comments after a node with includeComments and count options", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { includeComments: true, count: 3 }),
+                ["B", "=", "C"]
+            );
+        });
+
+        it("should retrieve matched tokens and comments after a node with includeComments and count and filter options", () => {
+            check(
+                store.getTokensAfter(VariableDeclarator.id, { includeComments: true, count: 3, filter: t => t.type.startsWith("Block") }),
+                ["B", "C", "D"]
+            );
+        });
+
+    });
+
+    describe("when calling getTokenAfter", () => {
+
+        it("should retrieve one token after a node", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id).value,
+                "="
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, 1).value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, 2).value,
+                "*"
+            );
+        });
+
+        it("should skip a given number of tokens with skip option", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { skip: 1 }).value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { skip: 2 }).value,
+                "*"
+            );
+        });
+
+        it("should retrieve matched token with filter option", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, t => t.type === "Identifier").value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { filter: t => t.type === "Identifier" }).value,
+                "a"
+            );
+        });
+
+        it("should retrieve matched token with filter and skip options", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { skip: 1, filter: t => t.type === "Identifier" }).value,
+                "b"
+            );
+        });
+
+        it("should retrieve one token or comment after a node with includeComments option", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { includeComments: true }).value,
+                "B"
+            );
+        });
+
+        it("should retrieve one token or comment after a node with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { includeComments: true, skip: 2 }).value,
+                "C"
+            );
+        });
+
+        it("should retrieve one token or comment after a node with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getTokenAfter(VariableDeclarator.id, { includeComments: true, skip: 2, filter: t => t.type.startsWith("Block") }).value,
+                "D"
+            );
+        });
+
+        it("should retrieve the next node if the comment at the first of source code is specified.", () => {
+            const code = "/*comment*/ a + b";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenAfter(ast.comments[0]);
+
+            assert.strictEqual(token.value, "a");
+        });
+
+        it("should retrieve the next comment if the last token is specified.", () => {
+            const code = "a + b /*comment*/";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenAfter(ast.tokens[2], { includeComments: true });
+
+            assert.strictEqual(token.value, "comment");
+        });
+
+        it("should retrieve null if the last comment is specified.", () => {
+            const code = "a + b /*comment*/";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const token = tokenStore.getTokenAfter(ast.comments[0], { includeComments: true });
+
+            assert.strictEqual(token, null);
+        });
+
+    });
+
+    describe("when calling getFirstTokens", () => {
+
+        it("should retrieve zero tokens from a node's token stream", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, 0),
+                []
+            );
+        });
+
+        it("should retrieve one token from a node's token stream", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, 1),
+                ["a"]
+            );
+        });
+
+        it("should retrieve more than one token from a node's token stream", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, 2),
+                ["a", "*"]
+            );
+        });
+
+        it("should retrieve all tokens from a node's token stream", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, 9e9),
+                ["a", "*", "b"]
+            );
+        });
+
+        it("should retrieve more than one token from a node's token stream with count option", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, { count: 2 }),
+                ["a", "*"]
+            );
+        });
+
+        it("should retrieve matched tokens from a node's token stream with filter option", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, t => t.type === "Identifier"),
+                ["a", "b"]
+            );
+            check(
+                store.getFirstTokens(BinaryExpression, { filter: t => t.type === "Identifier" }),
+                ["a", "b"]
+            );
+        });
+
+        it("should retrieve matched tokens from a node's token stream with filter and count options", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, { count: 1, filter: t => t.type === "Identifier" }),
+                ["a"]
+            );
+        });
+
+        it("should retrieve all tokens and comments from a node's token stream with includeComments option", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, { includeComments: true }),
+                ["a", "D", "*", "b"]
+            );
+        });
+
+        it("should retrieve several tokens and comments from a node's token stream with includeComments and count options", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, { includeComments: true, count: 3 }),
+                ["a", "D", "*"]
+            );
+        });
+
+        it("should retrieve several tokens and comments from a node's token stream with includeComments and count and filter options", () => {
+            check(
+                store.getFirstTokens(BinaryExpression, { includeComments: true, count: 3, filter: t => t.value !== "a" }),
+                ["D", "*", "b"]
+            );
+        });
+
+    });
+
+    describe("when calling getFirstToken", () => {
+
+        it("should retrieve the first token of a node's token stream", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression).value,
+                "a"
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, 1).value,
+                "*"
+            );
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, 2).value,
+                "b"
+            );
+        });
+
+        it("should skip a given number of tokens with skip option", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { skip: 1 }).value,
+                "*"
+            );
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { skip: 2 }).value,
+                "b"
+            );
+        });
+
+        it("should retrieve matched token with filter option", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, t => t.type === "Identifier").value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { filter: t => t.type === "Identifier" }).value,
+                "a"
+            );
+        });
+
+        it("should retrieve matched token with filter and skip options", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { skip: 1, filter: t => t.type === "Identifier" }).value,
+                "b"
+            );
+        });
+
+        it("should retrieve the first token or comment of a node's token stream with includeComments option", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { includeComments: true }).value,
+                "a"
+            );
+        });
+
+        it("should retrieve the first matched token or comment of a node's token stream with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { includeComments: true, skip: 1 }).value,
+                "D"
+            );
+        });
+
+        it("should retrieve the first matched token or comment of a node's token stream with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getFirstToken(BinaryExpression, { includeComments: true, skip: 1, filter: t => t.value !== "a" }).value,
+                "*"
+            );
+        });
+
+        it("should retrieve the first comment if the comment is at the last of nodes", () => {
+            const code = "a + b\n/*comment*/ c + d";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+
+            /*
+             * Actually, the first of nodes is always tokens, not comments.
+             * But I think this test case is needed for completeness.
+             */
+            const token = tokenStore.getFirstToken(
+                { range: [ast.comments[0].range[0], ast.tokens[5].range[1]] },
+                { includeComments: true }
+            );
+
+            assert.strictEqual(token.value, "comment");
+        });
+
+        it("should retrieve the first token (without includeComments option) if the comment is at the last of nodes", () => {
+            const code = "a + b\n/*comment*/ c + d";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+
+            /*
+             * Actually, the first of nodes is always tokens, not comments.
+             * But I think this test case is needed for completeness.
+             */
+            const token = tokenStore.getFirstToken(
+                { range: [ast.comments[0].range[0], ast.tokens[5].range[1]] }
+            );
+
+            assert.strictEqual(token.value, "c");
+        });
+
+    });
+
+    describe("when calling getLastTokens", () => {
+
+        it("should retrieve zero tokens from the end of a node's token stream", () => {
+            check(
+                store.getLastTokens(BinaryExpression, 0),
+                []
+            );
+        });
+
+        it("should retrieve one token from the end of a node's token stream", () => {
+            check(
+                store.getLastTokens(BinaryExpression, 1),
+                ["b"]
+            );
+        });
+
+        it("should retrieve more than one token from the end of a node's token stream", () => {
+            check(
+                store.getLastTokens(BinaryExpression, 2),
+                ["*", "b"]
+            );
+        });
+
+        it("should retrieve all tokens from the end of a node's token stream", () => {
+            check(
+                store.getLastTokens(BinaryExpression, 9e9),
+                ["a", "*", "b"]
+            );
+        });
+
+        it("should retrieve more than one token from the end of a node's token stream with count option", () => {
+            check(
+                store.getLastTokens(BinaryExpression, { count: 2 }),
+                ["*", "b"]
+            );
+        });
+
+        it("should retrieve matched tokens from the end of a node's token stream with filter option", () => {
+            check(
+                store.getLastTokens(BinaryExpression, t => t.type === "Identifier"),
+                ["a", "b"]
+            );
+            check(
+                store.getLastTokens(BinaryExpression, { filter: t => t.type === "Identifier" }),
+                ["a", "b"]
+            );
+        });
+
+        it("should retrieve matched tokens from the end of a node's token stream with filter and count options", () => {
+            check(
+                store.getLastTokens(BinaryExpression, { count: 1, filter: t => t.type === "Identifier" }),
+                ["b"]
+            );
+        });
+
+        it("should retrieve all tokens from the end of a node's token stream with includeComments option", () => {
+            check(
+                store.getLastTokens(BinaryExpression, { includeComments: true }),
+                ["a", "D", "*", "b"]
+            );
+        });
+
+        it("should retrieve matched tokens from the end of a node's token stream with includeComments and count options", () => {
+            check(
+                store.getLastTokens(BinaryExpression, { includeComments: true, count: 3 }),
+                ["D", "*", "b"]
+            );
+        });
+
+        it("should retrieve matched tokens from the end of a node's token stream with includeComments and count and filter options", () => {
+            check(
+                store.getLastTokens(BinaryExpression, { includeComments: true, count: 3, filter: t => t.type !== "Punctuator" }),
+                ["a", "D", "b"]
+            );
+        });
+
+    });
+
+    describe("when calling getLastToken", () => {
+
+        it("should retrieve the last token of a node's token stream", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression).value,
+                "b"
+            );
+            assert.strictEqual(
+                store.getLastToken(VariableDeclaration).value,
+                "b"
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, 1).value,
+                "*"
+            );
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, 2).value,
+                "a"
+            );
+        });
+
+        it("should skip a given number of tokens with skip option", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { skip: 1 }).value,
+                "*"
+            );
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { skip: 2 }).value,
+                "a"
+            );
+        });
+
+        it("should retrieve the last matched token of a node's token stream with filter option", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, t => t.value !== "b").value,
+                "*"
+            );
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { filter: t => t.value !== "b" }).value,
+                "*"
+            );
+        });
+
+        it("should retrieve the last matched token of a node's token stream with filter and skip options", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { skip: 1, filter: t => t.type === "Identifier" }).value,
+                "a"
+            );
+        });
+
+        it("should retrieve the last token of a node's token stream with includeComments option", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { includeComments: true }).value,
+                "b"
+            );
+        });
+
+        it("should retrieve the last token of a node's token stream with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { includeComments: true, skip: 2 }).value,
+                "D"
+            );
+        });
+
+        it("should retrieve the last token of a node's token stream with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getLastToken(BinaryExpression, { includeComments: true, skip: 1, filter: t => t.type !== "Identifier" }).value,
+                "D"
+            );
+        });
+
+        it("should retrieve the last comment if the comment is at the last of nodes", () => {
+            const code = "a + b /*comment*/\nc + d";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+
+            /*
+             * Actually, the last of nodes is always tokens, not comments.
+             * But I think this test case is needed for completeness.
+             */
+            const token = tokenStore.getLastToken(
+                { range: [ast.tokens[0].range[0], ast.comments[0].range[1]] },
+                { includeComments: true }
+            );
+
+            assert.strictEqual(token.value, "comment");
+        });
+
+        it("should retrieve the last token (without includeComments option) if the comment is at the last of nodes", () => {
+            const code = "a + b /*comment*/\nc + d";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+
+            /*
+             * Actually, the last of nodes is always tokens, not comments.
+             * But I think this test case is needed for completeness.
+             */
+            const token = tokenStore.getLastToken(
+                { range: [ast.tokens[0].range[0], ast.comments[0].range[1]] }
+            );
+
+            assert.strictEqual(token.value, "b");
+        });
+
+    });
+
+    describe("when calling getFirstTokensBetween", () => {
+
+        it("should retrieve zero tokens between adjacent nodes", () => {
+            check(
+                store.getFirstTokensBetween(BinaryExpression, CallExpression),
+                []
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes with count option", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, 2),
+                ["=", "a"]
+            );
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, { count: 2 }),
+                ["=", "a"]
+            );
+        });
+
+        it("should retrieve matched tokens between non-adjacent nodes with filter option", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, { filter: t => t.type !== "Punctuator" }),
+                ["a"]
+            );
+        });
+
+        it("should retrieve all tokens between non-adjacent nodes with empty object option", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, {}),
+                ["=", "a", "*"]
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes with includeComments option", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true }),
+                ["B", "=", "C", "a", "D", "*"]
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes with includeComments and count options", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, count: 3 }),
+                ["B", "=", "C"]
+            );
+        });
+
+        it("should retrieve multiple tokens and comments between non-adjacent nodes with includeComments and filter options", () => {
+            check(
+                store.getFirstTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, filter: t => t.type !== "Punctuator" }),
+                ["B", "C", "a", "D"]
+            );
+        });
+
+    });
+
+    describe("when calling getFirstTokenBetween", () => {
+
+        it("should return null between adjacent nodes", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(BinaryExpression, CallExpression),
+                null
+            );
+        });
+
+        it("should retrieve one token between non-adjacent nodes with count option", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right).value,
+                "="
+            );
+        });
+
+        it("should retrieve one token between non-adjacent nodes with skip option", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, 1).value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 2 }).value,
+                "*"
+            );
+        });
+
+        it("should return null if it's skipped beyond the right token", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 3 }),
+                null
+            );
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 4 }),
+                null
+            );
+        });
+
+        it("should retrieve the first matched token between non-adjacent nodes with filter option", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { filter: t => t.type !== "Identifier" }).value,
+                "="
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments option", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true }).value,
+                "B"
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, skip: 1 }).value,
+                "="
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getFirstTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, skip: 1, filter: t => t.type !== "Punctuator" }).value,
+                "C"
+            );
+        });
+
+    });
+
+    describe("when calling getLastTokensBetween", () => {
+
+        it("should retrieve zero tokens between adjacent nodes", () => {
+            check(
+                store.getLastTokensBetween(BinaryExpression, CallExpression),
+                []
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes with count option", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, 2),
+                ["a", "*"]
+            );
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, { count: 2 }),
+                ["a", "*"]
+            );
+        });
+
+        it("should retrieve matched tokens between non-adjacent nodes with filter option", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, { filter: t => t.type !== "Punctuator" }),
+                ["a"]
+            );
+        });
+
+        it("should retrieve all tokens between non-adjacent nodes with empty object option", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, {}),
+                ["=", "a", "*"]
+            );
+        });
+
+        it("should retrieve all tokens and comments between non-adjacent nodes with includeComments option", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true }),
+                ["B", "=", "C", "a", "D", "*"]
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes with includeComments and count options", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, count: 3 }),
+                ["a", "D", "*"]
+            );
+        });
+
+        it("should retrieve multiple tokens and comments between non-adjacent nodes with includeComments and filter options", () => {
+            check(
+                store.getLastTokensBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, filter: t => t.type !== "Punctuator" }),
+                ["B", "C", "a", "D"]
+            );
+        });
+
+    });
+
+    describe("when calling getLastTokenBetween", () => {
+
+        it("should return null between adjacent nodes", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(BinaryExpression, CallExpression),
+                null
+            );
+        });
+
+        it("should retrieve one token between non-adjacent nodes with count option", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right).value,
+                "*"
+            );
+        });
+
+        it("should retrieve one token between non-adjacent nodes with skip option", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, 1).value,
+                "a"
+            );
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 2 }).value,
+                "="
+            );
+        });
+
+        it("should return null if it's skipped beyond the right token", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 3 }),
+                null
+            );
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { skip: 4 }),
+                null
+            );
+        });
+
+        it("should retrieve the first matched token between non-adjacent nodes with filter option", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { filter: t => t.type !== "Identifier" }).value,
+                "*"
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments option", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true }).value,
+                "*"
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments and skip options", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, skip: 1 }).value,
+                "D"
+            );
+        });
+
+        it("should retrieve first token or comment between non-adjacent nodes with includeComments and skip and filter options", () => {
+            assert.strictEqual(
+                store.getLastTokenBetween(VariableDeclarator.id, BinaryExpression.right, { includeComments: true, skip: 1, filter: t => t.type !== "Punctuator" }).value,
+                "a"
+            );
+        });
+
+    });
+
+    describe("when calling getTokensBetween", () => {
+
+        it("should retrieve zero tokens between adjacent nodes", () => {
+            check(
+                store.getTokensBetween(BinaryExpression, CallExpression),
+                []
+            );
+        });
+
+        it("should retrieve one token between nodes", () => {
+            check(
+                store.getTokensBetween(BinaryExpression.left, BinaryExpression.right),
+                ["*"]
+            );
+        });
+
+        it("should retrieve multiple tokens between non-adjacent nodes", () => {
+            check(
+                store.getTokensBetween(VariableDeclarator.id, BinaryExpression.right),
+                ["=", "a", "*"]
+            );
+        });
+
+        it("should retrieve surrounding tokens when asked for padding", () => {
+            check(
+                store.getTokensBetween(VariableDeclarator.id, BinaryExpression.left, 2),
+                ["var", "answer", "=", "a", "*"]
+            );
+        });
+
+    });
+
+    describe("when calling getTokenByRangeStart", () => {
+
+        it("should return identifier token", () => {
+            const result = store.getTokenByRangeStart(9);
+
+            assert.strictEqual(result.type, "Identifier");
+            assert.strictEqual(result.value, "answer");
+        });
+
+        it("should return null when token doesn't exist", () => {
+            const result = store.getTokenByRangeStart(10);
+
+            assert.isNull(result);
+        });
+
+        it("should return a comment token when includeComments is true", () => {
+            const result = store.getTokenByRangeStart(15, { includeComments: true });
+
+            assert.strictEqual(result.type, "Block");
+            assert.strictEqual(result.value, "B");
+        });
+
+        it("should not return a comment token at the supplied index when includeComments is false", () => {
+            const result = store.getTokenByRangeStart(15, { includeComments: false });
+
+            assert.isNull(result);
+        });
+
+        it("should not return comment tokens by default", () => {
+            const result = store.getTokenByRangeStart(15);
+
+            assert.isNull(result);
+        });
+
+    });
+
+    describe("when calling getTokenOrCommentBefore", () => {
+
+        it("should retrieve one token or comment before a node", () => {
+            assert.strictEqual(
+                store.getTokenOrCommentBefore(BinaryExpression).value,
+                "C"
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getTokenOrCommentBefore(BinaryExpression, 1).value,
+                "="
+            );
+            assert.strictEqual(
+                store.getTokenOrCommentBefore(BinaryExpression, 2).value,
+                "B"
+            );
+        });
+
+    });
+
+    describe("when calling getTokenOrCommentAfter", () => {
+
+        it("should retrieve one token or comment after a node", () => {
+            assert.strictEqual(
+                store.getTokenOrCommentAfter(VariableDeclarator.id).value,
+                "B"
+            );
+        });
+
+        it("should skip a given number of tokens", () => {
+            assert.strictEqual(
+                store.getTokenOrCommentAfter(VariableDeclarator.id, 1).value,
+                "="
+            );
+            assert.strictEqual(
+                store.getTokenOrCommentAfter(VariableDeclarator.id, 2).value,
+                "C"
+            );
+        });
+
+    });
+
+    describe("when calling getFirstToken & getTokenAfter", () => {
+        it("should retrieve all tokens and comments in the node", () => {
+            const code = "(function(a, /*b,*/ c){})";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const tokens = [];
+            let token = tokenStore.getFirstToken(ast);
+
+            while (token) {
+                tokens.push(token);
+                token = tokenStore.getTokenAfter(token, { includeComments: true });
+            }
+
+            check(
+                tokens,
+                ["(", "function", "(", "a", ",", "b,", "c", ")", "{", "}", ")"]
+            );
+        });
+
+        it("should retrieve all tokens and comments in the node (no spaces)", () => {
+            const code = "(function(a,/*b,*/c){})";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const tokens = [];
+            let token = tokenStore.getFirstToken(ast);
+
+            while (token) {
+                tokens.push(token);
+                token = tokenStore.getTokenAfter(token, { includeComments: true });
+            }
+
+            check(
+                tokens,
+                ["(", "function", "(", "a", ",", "b,", "c", ")", "{", "}", ")"]
+            );
+        });
+    });
+
+    describe("when calling getLastToken & getTokenBefore", () => {
+        it("should retrieve all tokens and comments in the node", () => {
+            const code = "(function(a, /*b,*/ c){})";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const tokens = [];
+            let token = tokenStore.getLastToken(ast);
+
+            while (token) {
+                tokens.push(token);
+                token = tokenStore.getTokenBefore(token, { includeComments: true });
+            }
+
+            check(
+                tokens.reverse(),
+                ["(", "function", "(", "a", ",", "b,", "c", ")", "{", "}", ")"]
+            );
+        });
+
+        it("should retrieve all tokens and comments in the node (no spaces)", () => {
+            const code = "(function(a,/*b,*/c){})";
+            const ast = espree.parse(code, { loc: true, range: true, tokens: true, comment: true });
+            const tokenStore = new TokenStore(ast.tokens, ast.comments);
+            const tokens = [];
+            let token = tokenStore.getLastToken(ast);
+
+            while (token) {
+                tokens.push(token);
+                token = tokenStore.getTokenBefore(token, { includeComments: true });
+            }
+
+            check(
+                tokens.reverse(),
+                ["(", "function", "(", "a", ",", "b,", "c", ")", "{", "}", ")"]
+            );
+        });
+    });
+
+    describe("when calling commentsExistBetween", () => {
+
+        it("should retrieve false if comments don't exist", () => {
+            assert.isFalse(store.commentsExistBetween(AST.tokens[0], AST.tokens[1]));
+        });
+
+        it("should retrieve true if comments exist", () => {
+            assert.isTrue(store.commentsExistBetween(AST.tokens[1], AST.tokens[2]));
+        });
+
+    });
+
+    describe("getCommentsBefore", () => {
+        it("should retrieve comments before a node", () => {
+            assert.strictEqual(
+                store.getCommentsBefore(VariableDeclaration)[0].value,
+                "A"
+            );
+        });
+
+        it("should retrieve comments before a token", () => {
+            assert.strictEqual(
+                store.getCommentsBefore(TOKENS[2] /* "=" token */)[0].value,
+                "B"
+            );
+        });
+
+        it("should retrieve multiple comments before a node", () => {
+            const comments = store.getCommentsBefore(CallExpression);
+
+            assert.strictEqual(comments.length, 2);
+            assert.strictEqual(comments[0].value, "E");
+            assert.strictEqual(comments[1].value, "F");
+        });
+
+        it("should retrieve comments before a Program node", () => {
+            assert.strictEqual(
+                store.getCommentsBefore(Program)[0].value,
+                "A"
+            );
+        });
+
+        it("should return an empty array if there are no comments before a node or token", () => {
+            check(
+                store.getCommentsBefore(BinaryExpression.right),
+                []
+            );
+            check(
+                store.getCommentsBefore(TOKENS[1]),
+                []
+            );
+        });
+    });
+
+    describe("getCommentsAfter", () => {
+        it("should retrieve comments after a node", () => {
+            assert.strictEqual(
+                store.getCommentsAfter(VariableDeclarator.id)[0].value,
+                "B"
+            );
+        });
+
+        it("should retrieve comments after a token", () => {
+            assert.strictEqual(
+                store.getCommentsAfter(TOKENS[2] /* "=" token */)[0].value,
+                "C"
+            );
+        });
+
+        it("should retrieve multiple comments after a node", () => {
+            const comments = store.getCommentsAfter(VariableDeclaration);
+
+            assert.strictEqual(comments.length, 2);
+            assert.strictEqual(comments[0].value, "E");
+            assert.strictEqual(comments[1].value, "F");
+        });
+
+        it("should retrieve comments after a Program node", () => {
+            assert.strictEqual(
+                store.getCommentsAfter(Program)[0].value,
+                "Z"
+            );
+        });
+
+        it("should return an empty array if there are no comments after a node or token", () => {
+            check(
+                store.getCommentsAfter(CallExpression.callee),
+                []
+            );
+            check(
+                store.getCommentsAfter(TOKENS[0]),
+                []
+            );
+        });
+    });
+
+    describe("getCommentsInside", () => {
+        it("should retrieve comments inside a node", () => {
+            check(
+                store.getCommentsInside(Program),
+                ["B", "C", "D", "E", "F"]
+            );
+            check(
+                store.getCommentsInside(VariableDeclaration),
+                ["B", "C", "D"]
+            );
+            check(
+                store.getCommentsInside(VariableDeclarator),
+                ["B", "C", "D"]
+            );
+            check(
+                store.getCommentsInside(BinaryExpression),
+                ["D"]
+            );
+        });
+
+        it("should return an empty array if a node does not contain any comments", () => {
+            check(
+                store.getCommentsInside(TOKENS[2]),
+                []
+            );
+        });
+    });
+});
diff --git a/eslint/tests/performance/jshint.js b/eslint/tests/performance/jshint.js
new file mode 100644
index 0000000..6ebb5fb
--- /dev/null
+++ b/eslint/tests/performance/jshint.js
@@ -0,0 +1,11293 @@
+//2.1.8
+var JSHINT;
+(function () {
+var require;
+require=(function(e,t,n){function i(n,s){if(!t[n]){if(!e[n]){var o=typeof require=="function"&&require;if(!s&&o)return o(n,!0);if(r)return r(n,!0);throw new Error("Cannot find module '"+n+"'")}var u=t[n]={exports:{}};e[n][0].call(u.exports,function(t){var r=e[n][1][t];return i(r?r:t)},u,u.exports)}return t[n].exports}var r=typeof require=="function"&&require;for(var s=0;s<n.length;s++)i(n[s]);return i})({1:[function(require,module,exports){
+// shim for using process in browser
+
+var process = module.exports = {};
+
+process.nextTick = (function () {
+    var canSetImmediate = typeof window !== 'undefined'
+    && window.setImmediate;
+    var canPost = typeof window !== 'undefined'
+    && window.postMessage && window.addEventListener
+    ;
+
+    if (canSetImmediate) {
+        return function (f) { return window.setImmediate(f) };
+    }
+
+    if (canPost) {
+        var queue = [];
+        window.addEventListener('message', function (ev) {
+            if (ev.source === window && ev.data === 'process-tick') {
+                ev.stopPropagation();
+                if (queue.length > 0) {
+                    var fn = queue.shift();
+                    fn();
+                }
+            }
+        }, true);
+
+        return function nextTick(fn) {
+            queue.push(fn);
+            window.postMessage('process-tick', '*');
+        };
+    }
+
+    return function nextTick(fn) {
+        setTimeout(fn, 0);
+    };
+})();
+
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+
+process.binding = function (name) {
+    throw new Error('process.binding is not supported');
+}
+
+// TODO(shtylman)
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+    throw new Error('process.chdir is not supported');
+};
+
+},{}],2:[function(require,module,exports){
+(function(process){if (!process.EventEmitter) process.EventEmitter = function () {};
+
+var EventEmitter = exports.EventEmitter = process.EventEmitter;
+var isArray = typeof Array.isArray === 'function'
+    ? Array.isArray
+    : function (xs) {
+        return Object.prototype.toString.call(xs) === '[object Array]'
+    }
+;
+function indexOf (xs, x) {
+    if (xs.indexOf) return xs.indexOf(x);
+    for (var i = 0; i < xs.length; i++) {
+        if (x === xs[i]) return i;
+    }
+    return -1;
+}
+
+// By default EventEmitters will print a warning if more than
+// 10 listeners are added to it. This is a useful default which
+// helps finding memory leaks.
+//
+// Obviously not all Emitters should be limited to 10. This function allows
+// that to be increased. Set to zero for unlimited.
+var defaultMaxListeners = 10;
+EventEmitter.prototype.setMaxListeners = function(n) {
+  if (!this._events) this._events = {};
+  this._events.maxListeners = n;
+};
+
+
+EventEmitter.prototype.emit = function(type) {
+  // If there is no 'error' event listener then throw.
+  if (type === 'error') {
+    if (!this._events || !this._events.error ||
+        (isArray(this._events.error) && !this._events.error.length))
+    {
+      if (arguments[1] instanceof Error) {
+        throw arguments[1]; // Unhandled 'error' event
+      } else {
+        throw new Error("Uncaught, unspecified 'error' event.");
+      }
+      return false;
+    }
+  }
+
+  if (!this._events) return false;
+  var handler = this._events[type];
+  if (!handler) return false;
+
+  if (typeof handler == 'function') {
+    switch (arguments.length) {
+      // fast cases
+      case 1:
+        handler.call(this);
+        break;
+      case 2:
+        handler.call(this, arguments[1]);
+        break;
+      case 3:
+        handler.call(this, arguments[1], arguments[2]);
+        break;
+      // slower
+      default:
+        var args = Array.prototype.slice.call(arguments, 1);
+        handler.apply(this, args);
+    }
+    return true;
+
+  } else if (isArray(handler)) {
+    var args = Array.prototype.slice.call(arguments, 1);
+
+    var listeners = handler.slice();
+    for (var i = 0, l = listeners.length; i < l; i++) {
+      listeners[i].apply(this, args);
+    }
+    return true;
+
+  } else {
+    return false;
+  }
+};
+
+// EventEmitter is defined in src/node_events.cc
+// EventEmitter.prototype.emit() is also defined there.
+EventEmitter.prototype.addListener = function(type, listener) {
+  if ('function' !== typeof listener) {
+    throw new Error('addListener only takes instances of Function');
+  }
+
+  if (!this._events) this._events = {};
+
+  // To avoid recursion in the case that type == "newListeners"! Before
+  // adding it to the listeners, first emit "newListeners".
+  this.emit('newListener', type, listener);
+
+  if (!this._events[type]) {
+    // Optimize the case of one listener. Don't need the extra array object.
+    this._events[type] = listener;
+  } else if (isArray(this._events[type])) {
+
+    // Check for listener leak
+    if (!this._events[type].warned) {
+      var m;
+      if (this._events.maxListeners !== undefined) {
+        m = this._events.maxListeners;
+      } else {
+        m = defaultMaxListeners;
+      }
+
+      if (m && m > 0 && this._events[type].length > m) {
+        this._events[type].warned = true;
+        console.error('(node) warning: possible EventEmitter memory ' +
+                      'leak detected. %d listeners added. ' +
+                      'Use emitter.setMaxListeners() to increase limit.',
+                      this._events[type].length);
+        console.trace();
+      }
+    }
+
+    // If we've already got an array, just append.
+    this._events[type].push(listener);
+  } else {
+    // Adding the second element, need to change to array.
+    this._events[type] = [this._events[type], listener];
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.on = EventEmitter.prototype.addListener;
+
+EventEmitter.prototype.once = function(type, listener) {
+  var self = this;
+  self.on(type, function g() {
+    self.removeListener(type, g);
+    listener.apply(this, arguments);
+  });
+
+  return this;
+};
+
+EventEmitter.prototype.removeListener = function(type, listener) {
+  if ('function' !== typeof listener) {
+    throw new Error('removeListener only takes instances of Function');
+  }
+
+  // does not use listeners(), so no side effect of creating _events[type]
+  if (!this._events || !this._events[type]) return this;
+
+  var list = this._events[type];
+
+  if (isArray(list)) {
+    var i = indexOf(list, listener);
+    if (i < 0) return this;
+    list.splice(i, 1);
+    if (list.length == 0)
+      delete this._events[type];
+  } else if (this._events[type] === listener) {
+    delete this._events[type];
+  }
+
+  return this;
+};
+
+EventEmitter.prototype.removeAllListeners = function(type) {
+  if (arguments.length === 0) {
+    this._events = {};
+    return this;
+  }
+
+  // does not use listeners(), so no side effect of creating _events[type]
+  if (type && this._events && this._events[type]) this._events[type] = null;
+  return this;
+};
+
+EventEmitter.prototype.listeners = function(type) {
+  if (!this._events) this._events = {};
+  if (!this._events[type]) this._events[type] = [];
+  if (!isArray(this._events[type])) {
+    this._events[type] = [this._events[type]];
+  }
+  return this._events[type];
+};
+
+})(require("__browserify_process"))
+},{"__browserify_process":1}],3:[function(require,module,exports){
+(function(){// jshint -W001
+
+"use strict";
+
+// Identifiers provided by the ECMAScript standard.
+
+exports.reservedVars = {
+	arguments : false,
+	NaN       : false
+};
+
+exports.ecmaIdentifiers = {
+	Array              : false,
+	Boolean            : false,
+	Date               : false,
+	decodeURI          : false,
+	decodeURIComponent : false,
+	encodeURI          : false,
+	encodeURIComponent : false,
+	Error              : false,
+	"eval"             : false,
+	EvalError          : false,
+	Function           : false,
+	hasOwnProperty     : false,
+	isFinite           : false,
+	isNaN              : false,
+	JSON               : false,
+	Math               : false,
+	Map                : false,
+	Number             : false,
+	Object             : false,
+	parseInt           : false,
+	parseFloat         : false,
+	RangeError         : false,
+	ReferenceError     : false,
+	RegExp             : false,
+	Set                : false,
+	String             : false,
+	SyntaxError        : false,
+	TypeError          : false,
+	URIError           : false,
+	WeakMap            : false
+};
+
+// Global variables commonly provided by a web browser environment.
+
+exports.browser = {
+	ArrayBuffer          : false,
+	ArrayBufferView      : false,
+	Audio                : false,
+	Blob                 : false,
+	addEventListener     : false,
+	applicationCache     : false,
+	atob                 : false,
+	blur                 : false,
+	btoa                 : false,
+	clearInterval        : false,
+	clearTimeout         : false,
+	close                : false,
+	closed               : false,
+	CustomEvent          : false,
+	DataView             : false,
+	DOMParser            : false,
+	defaultStatus        : false,
+	document             : false,
+	Element              : false,
+	ElementTimeControl   : false,
+	event                : false,
+	FileReader           : false,
+	Float32Array         : false,
+	Float64Array         : false,
+	FormData             : false,
+	focus                : false,
+	frames               : false,
+	getComputedStyle     : false,
+	HTMLElement          : false,
+	HTMLAnchorElement    : false,
+	HTMLBaseElement      : false,
+	HTMLBlockquoteElement: false,
+	HTMLBodyElement      : false,
+	HTMLBRElement        : false,
+	HTMLButtonElement    : false,
+	HTMLCanvasElement    : false,
+	HTMLDirectoryElement : false,
+	HTMLDivElement       : false,
+	HTMLDListElement     : false,
+	HTMLFieldSetElement  : false,
+	HTMLFontElement      : false,
+	HTMLFormElement      : false,
+	HTMLFrameElement     : false,
+	HTMLFrameSetElement  : false,
+	HTMLHeadElement      : false,
+	HTMLHeadingElement   : false,
+	HTMLHRElement        : false,
+	HTMLHtmlElement      : false,
+	HTMLIFrameElement    : false,
+	HTMLImageElement     : false,
+	HTMLInputElement     : false,
+	HTMLIsIndexElement   : false,
+	HTMLLabelElement     : false,
+	HTMLLayerElement     : false,
+	HTMLLegendElement    : false,
+	HTMLLIElement        : false,
+	HTMLLinkElement      : false,
+	HTMLMapElement       : false,
+	HTMLMenuElement      : false,
+	HTMLMetaElement      : false,
+	HTMLModElement       : false,
+	HTMLObjectElement    : false,
+	HTMLOListElement     : false,
+	HTMLOptGroupElement  : false,
+	HTMLOptionElement    : false,
+	HTMLParagraphElement : false,
+	HTMLParamElement     : false,
+	HTMLPreElement       : false,
+	HTMLQuoteElement     : false,
+	HTMLScriptElement    : false,
+	HTMLSelectElement    : false,
+	HTMLStyleElement     : false,
+	HTMLTableCaptionElement: false,
+	HTMLTableCellElement : false,
+	HTMLTableColElement  : false,
+	HTMLTableElement     : false,
+	HTMLTableRowElement  : false,
+	HTMLTableSectionElement: false,
+	HTMLTextAreaElement  : false,
+	HTMLTitleElement     : false,
+	HTMLUListElement     : false,
+	HTMLVideoElement     : false,
+	history              : false,
+	Int16Array           : false,
+	Int32Array           : false,
+	Int8Array            : false,
+	Image                : false,
+	length               : false,
+	localStorage         : false,
+	location             : false,
+	MessageChannel       : false,
+	MessageEvent         : false,
+	MessagePort          : false,
+	MouseEvent           : false,
+	moveBy               : false,
+	moveTo               : false,
+	MutationObserver     : false,
+	name                 : false,
+	Node                 : false,
+	NodeFilter           : false,
+	navigator            : false,
+	onbeforeunload       : true,
+	onblur               : true,
+	onerror              : true,
+	onfocus              : true,
+	onload               : true,
+	onresize             : true,
+	onunload             : true,
+	open                 : false,
+	openDatabase         : false,
+	opener               : false,
+	Option               : false,
+	parent               : false,
+	print                : false,
+	removeEventListener  : false,
+	resizeBy             : false,
+	resizeTo             : false,
+	screen               : false,
+	scroll               : false,
+	scrollBy             : false,
+	scrollTo             : false,
+	sessionStorage       : false,
+	setInterval          : false,
+	setTimeout           : false,
+	SharedWorker         : false,
+	status               : false,
+	SVGAElement          : false,
+	SVGAltGlyphDefElement: false,
+	SVGAltGlyphElement   : false,
+	SVGAltGlyphItemElement: false,
+	SVGAngle             : false,
+	SVGAnimateColorElement: false,
+	SVGAnimateElement    : false,
+	SVGAnimateMotionElement: false,
+	SVGAnimateTransformElement: false,
+	SVGAnimatedAngle     : false,
+	SVGAnimatedBoolean   : false,
+	SVGAnimatedEnumeration: false,
+	SVGAnimatedInteger   : false,
+	SVGAnimatedLength    : false,
+	SVGAnimatedLengthList: false,
+	SVGAnimatedNumber    : false,
+	SVGAnimatedNumberList: false,
+	SVGAnimatedPathData  : false,
+	SVGAnimatedPoints    : false,
+	SVGAnimatedPreserveAspectRatio: false,
+	SVGAnimatedRect      : false,
+	SVGAnimatedString    : false,
+	SVGAnimatedTransformList: false,
+	SVGAnimationElement  : false,
+	SVGCSSRule           : false,
+	SVGCircleElement     : false,
+	SVGClipPathElement   : false,
+	SVGColor             : false,
+	SVGColorProfileElement: false,
+	SVGColorProfileRule  : false,
+	SVGComponentTransferFunctionElement: false,
+	SVGCursorElement     : false,
+	SVGDefsElement       : false,
+	SVGDescElement       : false,
+	SVGDocument          : false,
+	SVGElement           : false,
+	SVGElementInstance   : false,
+	SVGElementInstanceList: false,
+	SVGEllipseElement    : false,
+	SVGExternalResourcesRequired: false,
+	SVGFEBlendElement    : false,
+	SVGFEColorMatrixElement: false,
+	SVGFEComponentTransferElement: false,
+	SVGFECompositeElement: false,
+	SVGFEConvolveMatrixElement: false,
+	SVGFEDiffuseLightingElement: false,
+	SVGFEDisplacementMapElement: false,
+	SVGFEDistantLightElement: false,
+	SVGFEFloodElement    : false,
+	SVGFEFuncAElement    : false,
+	SVGFEFuncBElement    : false,
+	SVGFEFuncGElement    : false,
+	SVGFEFuncRElement    : false,
+	SVGFEGaussianBlurElement: false,
+	SVGFEImageElement    : false,
+	SVGFEMergeElement    : false,
+	SVGFEMergeNodeElement: false,
+	SVGFEMorphologyElement: false,
+	SVGFEOffsetElement   : false,
+	SVGFEPointLightElement: false,
+	SVGFESpecularLightingElement: false,
+	SVGFESpotLightElement: false,
+	SVGFETileElement     : false,
+	SVGFETurbulenceElement: false,
+	SVGFilterElement     : false,
+	SVGFilterPrimitiveStandardAttributes: false,
+	SVGFitToViewBox      : false,
+	SVGFontElement       : false,
+	SVGFontFaceElement   : false,
+	SVGFontFaceFormatElement: false,
+	SVGFontFaceNameElement: false,
+	SVGFontFaceSrcElement: false,
+	SVGFontFaceUriElement: false,
+	SVGForeignObjectElement: false,
+	SVGGElement          : false,
+	SVGGlyphElement      : false,
+	SVGGlyphRefElement   : false,
+	SVGGradientElement   : false,
+	SVGHKernElement      : false,
+	SVGICCColor          : false,
+	SVGImageElement      : false,
+	SVGLangSpace         : false,
+	SVGLength            : false,
+	SVGLengthList        : false,
+	SVGLineElement       : false,
+	SVGLinearGradientElement: false,
+	SVGLocatable         : false,
+	SVGMPathElement      : false,
+	SVGMarkerElement     : false,
+	SVGMaskElement       : false,
+	SVGMatrix            : false,
+	SVGMetadataElement   : false,
+	SVGMissingGlyphElement: false,
+	SVGNumber            : false,
+	SVGNumberList        : false,
+	SVGPaint             : false,
+	SVGPathElement       : false,
+	SVGPathSeg           : false,
+	SVGPathSegArcAbs     : false,
+	SVGPathSegArcRel     : false,
+	SVGPathSegClosePath  : false,
+	SVGPathSegCurvetoCubicAbs: false,
+	SVGPathSegCurvetoCubicRel: false,
+	SVGPathSegCurvetoCubicSmoothAbs: false,
+	SVGPathSegCurvetoCubicSmoothRel: false,
+	SVGPathSegCurvetoQuadraticAbs: false,
+	SVGPathSegCurvetoQuadraticRel: false,
+	SVGPathSegCurvetoQuadraticSmoothAbs: false,
+	SVGPathSegCurvetoQuadraticSmoothRel: false,
+	SVGPathSegLinetoAbs  : false,
+	SVGPathSegLinetoHorizontalAbs: false,
+	SVGPathSegLinetoHorizontalRel: false,
+	SVGPathSegLinetoRel  : false,
+	SVGPathSegLinetoVerticalAbs: false,
+	SVGPathSegLinetoVerticalRel: false,
+	SVGPathSegList       : false,
+	SVGPathSegMovetoAbs  : false,
+	SVGPathSegMovetoRel  : false,
+	SVGPatternElement    : false,
+	SVGPoint             : false,
+	SVGPointList         : false,
+	SVGPolygonElement    : false,
+	SVGPolylineElement   : false,
+	SVGPreserveAspectRatio: false,
+	SVGRadialGradientElement: false,
+	SVGRect              : false,
+	SVGRectElement       : false,
+	SVGRenderingIntent   : false,
+	SVGSVGElement        : false,
+	SVGScriptElement     : false,
+	SVGSetElement        : false,
+	SVGStopElement       : false,
+	SVGStringList        : false,
+	SVGStylable          : false,
+	SVGStyleElement      : false,
+	SVGSwitchElement     : false,
+	SVGSymbolElement     : false,
+	SVGTRefElement       : false,
+	SVGTSpanElement      : false,
+	SVGTests             : false,
+	SVGTextContentElement: false,
+	SVGTextElement       : false,
+	SVGTextPathElement   : false,
+	SVGTextPositioningElement: false,
+	SVGTitleElement      : false,
+	SVGTransform         : false,
+	SVGTransformList     : false,
+	SVGTransformable     : false,
+	SVGURIReference      : false,
+	SVGUnitTypes         : false,
+	SVGUseElement        : false,
+	SVGVKernElement      : false,
+	SVGViewElement       : false,
+	SVGViewSpec          : false,
+	SVGZoomAndPan        : false,
+	TimeEvent            : false,
+	top                  : false,
+	Uint16Array          : false,
+	Uint32Array          : false,
+	Uint8Array           : false,
+	Uint8ClampedArray    : false,
+	WebSocket            : false,
+	window               : false,
+	Worker               : false,
+	XMLHttpRequest       : false,
+	XMLSerializer        : false,
+	XPathEvaluator       : false,
+	XPathException       : false,
+	XPathExpression      : false,
+	XPathNamespace       : false,
+	XPathNSResolver      : false,
+	XPathResult          : false
+};
+
+exports.devel = {
+	alert  : false,
+	confirm: false,
+	console: false,
+	Debug  : false,
+	opera  : false,
+	prompt : false
+};
+
+exports.worker = {
+	importScripts: true,
+	postMessage  : true,
+	self         : true
+};
+
+// Widely adopted global names that are not part of ECMAScript standard
+exports.nonstandard = {
+	escape  : false,
+	unescape: false
+};
+
+// Globals provided by popular JavaScript environments.
+
+exports.couch = {
+	"require" : false,
+	respond   : false,
+	getRow    : false,
+	emit      : false,
+	send      : false,
+	start     : false,
+	sum       : false,
+	log       : false,
+	exports   : false,
+	module    : false,
+	provides  : false
+};
+
+exports.node = {
+	__filename    : false,
+	__dirname     : false,
+	Buffer        : false,
+	DataView      : false,
+	console       : false,
+	exports       : true,  // In Node it is ok to exports = module.exports = foo();
+	GLOBAL        : false,
+	global        : false,
+	module        : false,
+	process       : false,
+	require       : false,
+	setTimeout    : false,
+	clearTimeout  : false,
+	setInterval   : false,
+	clearInterval : false,
+	setImmediate  : false, // v0.9.1+
+	clearImmediate: false  // v0.9.1+
+};
+
+exports.phantom = {
+	phantom      : true,
+	require      : true,
+	WebPage      : true
+};
+
+exports.rhino = {
+	defineClass  : false,
+	deserialize  : false,
+	gc           : false,
+	help         : false,
+	importPackage: false,
+	"java"       : false,
+	load         : false,
+	loadClass    : false,
+	print        : false,
+	quit         : false,
+	readFile     : false,
+	readUrl      : false,
+	runCommand   : false,
+	seal         : false,
+	serialize    : false,
+	spawn        : false,
+	sync         : false,
+	toint32      : false,
+	version      : false
+};
+
+exports.shelljs = {
+	target       : false,
+	echo         : false,
+	exit         : false,
+	cd           : false,
+	pwd          : false,
+	ls           : false,
+	find         : false,
+	cp           : false,
+	rm           : false,
+	mv           : false,
+	mkdir        : false,
+	test         : false,
+	cat          : false,
+	sed          : false,
+	grep         : false,
+	which        : false,
+	dirs         : false,
+	pushd        : false,
+	popd         : false,
+	env          : false,
+	exec         : false,
+	chmod        : false,
+	config       : false,
+	error        : false,
+	tempdir      : false
+};
+
+exports.wsh = {
+	ActiveXObject            : true,
+	Enumerator               : true,
+	GetObject                : true,
+	ScriptEngine             : true,
+	ScriptEngineBuildVersion : true,
+	ScriptEngineMajorVersion : true,
+	ScriptEngineMinorVersion : true,
+	VBArray                  : true,
+	WSH                      : true,
+	WScript                  : true,
+	XDomainRequest           : true
+};
+
+// Globals provided by popular JavaScript libraries.
+
+exports.dojo = {
+	dojo     : false,
+	dijit    : false,
+	dojox    : false,
+	define	 : false,
+	"require": false
+};
+
+exports.jquery = {
+	"$"    : false,
+	jQuery : false
+};
+
+exports.mootools = {
+	"$"           : false,
+	"$$"          : false,
+	Asset         : false,
+	Browser       : false,
+	Chain         : false,
+	Class         : false,
+	Color         : false,
+	Cookie        : false,
+	Core          : false,
+	Document      : false,
+	DomReady      : false,
+	DOMEvent      : false,
+	DOMReady      : false,
+	Drag          : false,
+	Element       : false,
+	Elements      : false,
+	Event         : false,
+	Events        : false,
+	Fx            : false,
+	Group         : false,
+	Hash          : false,
+	HtmlTable     : false,
+	Iframe        : false,
+	IframeShim    : false,
+	InputValidator: false,
+	instanceOf    : false,
+	Keyboard      : false,
+	Locale        : false,
+	Mask          : false,
+	MooTools      : false,
+	Native        : false,
+	Options       : false,
+	OverText      : false,
+	Request       : false,
+	Scroller      : false,
+	Slick         : false,
+	Slider        : false,
+	Sortables     : false,
+	Spinner       : false,
+	Swiff         : false,
+	Tips          : false,
+	Type          : false,
+	typeOf        : false,
+	URI           : false,
+	Window        : false
+};
+
+exports.prototypejs = {
+	"$"               : false,
+	"$$"              : false,
+	"$A"              : false,
+	"$F"              : false,
+	"$H"              : false,
+	"$R"              : false,
+	"$break"          : false,
+	"$continue"       : false,
+	"$w"              : false,
+	Abstract          : false,
+	Ajax              : false,
+	Class             : false,
+	Enumerable        : false,
+	Element           : false,
+	Event             : false,
+	Field             : false,
+	Form              : false,
+	Hash              : false,
+	Insertion         : false,
+	ObjectRange       : false,
+	PeriodicalExecuter: false,
+	Position          : false,
+	Prototype         : false,
+	Selector          : false,
+	Template          : false,
+	Toggle            : false,
+	Try               : false,
+	Autocompleter     : false,
+	Builder           : false,
+	Control           : false,
+	Draggable         : false,
+	Draggables        : false,
+	Droppables        : false,
+	Effect            : false,
+	Sortable          : false,
+	SortableObserver  : false,
+	Sound             : false,
+	Scriptaculous     : false
+};
+
+exports.yui = {
+	YUI       : false,
+	Y         : false,
+	YUI_config: false
+};
+
+
+})()
+},{}],4:[function(require,module,exports){
+/*
+ * Regular expressions. Some of these are stupidly long.
+ */
+
+/*jshint maxlen:1000 */
+
+"use string";
+
+// Unsafe comment or string (ax)
+exports.unsafeString =
+	/@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
+
+// Unsafe characters that are silently deleted by one or more browsers (cx)
+exports.unsafeChars =
+	/[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+// Characters in strings that need escaping (nx and nxg)
+exports.needEsc =
+	/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+exports.needEscGlobal =
+	/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+
+// Star slash (lx)
+exports.starSlash = /\*\//;
+
+// Identifier (ix)
+exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
+
+// JavaScript URL (jx)
+exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
+
+// Catches /* falls through */ comments (ft)
+exports.fallsThrough = /^\s*\/\*\s*falls?\sthrough\s*\*\/\s*$/;
+
+},{}],5:[function(require,module,exports){
+(function(){"use strict";
+
+exports.register = function (linter) {
+	// Check for properties named __proto__. This special property was
+	// deprecated and then re-introduced for ES6.
+
+	linter.on("Identifier", function style_scanProto(data) {
+		if (linter.getOption("proto")) {
+			return;
+		}
+
+		if (data.name === "__proto__") {
+			linter.warn("W103", {
+				line: data.line,
+				char: data.char,
+				data: [ data.name ]
+			});
+		}
+	});
+
+	// Check for properties named __iterator__. This is a special property
+	// available only in browsers with JavaScript 1.7 implementation.
+
+	linter.on("Identifier", function style_scanIterator(data) {
+		if (linter.getOption("iterator")) {
+			return;
+		}
+
+		if (data.name === "__iterator__") {
+			linter.warn("W104", {
+				line: data.line,
+				char: data.char,
+				data: [ data.name ]
+			});
+		}
+	});
+
+	// Check for dangling underscores.
+
+	linter.on("Identifier", function style_scanDangling(data) {
+		if (!linter.getOption("nomen")) {
+			return;
+		}
+
+		// Underscore.js
+		if (data.name === "_") {
+			return;
+		}
+
+		// In Node, __dirname and __filename should be ignored.
+		if (linter.getOption("node")) {
+			if (/^(__dirname|__filename)$/.test(data.name) && !data.isProperty) {
+				return;
+			}
+		}
+
+		if (/^(_+.*|.*_+)$/.test(data.name)) {
+			linter.warn("W105", {
+				line: data.line,
+				char: data.from,
+				data: [ "dangling '_'", data.name ]
+			});
+		}
+	});
+
+	// Check that all identifiers are using camelCase notation.
+	// Exceptions: names like MY_VAR and _myVar.
+
+	linter.on("Identifier", function style_scanCamelCase(data) {
+		if (!linter.getOption("camelcase")) {
+			return;
+		}
+
+		if (data.name.replace(/^_+/, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
+			linter.warn("W106", {
+				line: data.line,
+				char: data.from,
+				data: [ data.name ]
+			});
+		}
+	});
+
+	// Enforce consistency in style of quoting.
+
+	linter.on("String", function style_scanQuotes(data) {
+		var quotmark = linter.getOption("quotmark");
+		var code;
+
+		if (!quotmark) {
+			return;
+		}
+
+		// If quotmark is set to 'single' warn about all double-quotes.
+
+		if (quotmark === "single" && data.quote !== "'") {
+			code = "W109";
+		}
+
+		// If quotmark is set to 'double' warn about all single-quotes.
+
+		if (quotmark === "double" && data.quote !== "\"") {
+			code = "W108";
+		}
+
+		// If quotmark is set to true, remember the first quotation style
+		// and then warn about all others.
+
+		if (quotmark === true) {
+			if (!linter.getCache("quotmark")) {
+				linter.setCache("quotmark", data.quote);
+			}
+
+			if (linter.getCache("quotmark") !== data.quote) {
+				code = "W110";
+			}
+		}
+
+		if (code) {
+			linter.warn(code, {
+				line: data.line,
+				char: data.char,
+			});
+		}
+	});
+
+	linter.on("Number", function style_scanNumbers(data) {
+		if (data.value.charAt(0) === ".") {
+			// Warn about a leading decimal point.
+			linter.warn("W008", {
+				line: data.line,
+				char: data.char,
+				data: [ data.value ]
+			});
+		}
+
+		if (data.value.substr(data.value.length - 1) === ".") {
+			// Warn about a trailing decimal point.
+			linter.warn("W047", {
+				line: data.line,
+				char: data.char,
+				data: [ data.value ]
+			});
+		}
+
+		if (/^00+/.test(data.value)) {
+			// Multiple leading zeroes.
+			linter.warn("W046", {
+				line: data.line,
+				char: data.char,
+				data: [ data.value ]
+			});
+		}
+	});
+
+	// Warn about script URLs.
+
+	linter.on("String", function style_scanJavaScriptURLs(data) {
+		var re = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
+
+		if (linter.getOption("scripturl")) {
+			return;
+		}
+
+		if (re.test(data.value)) {
+			linter.warn("W107", {
+				line: data.line,
+				char: data.char
+			});
+		}
+	});
+};
+})()
+},{}],6:[function(require,module,exports){
+"use strict";
+
+var state = {
+	syntax: {},
+
+	reset: function () {
+		this.tokens = {
+			prev: null,
+			next: null,
+			curr: null
+		};
+
+		this.option = {};
+		this.ignored = {};
+		this.directive = {};
+		this.jsonMode = false;
+		this.jsonWarnings = [];
+		this.lines = [];
+		this.tab = "";
+		this.cache = {}; // Node.JS doesn't have Map. Sniff.
+	}
+};
+
+exports.state = state;
+
+},{}],"jshint":[function(require,module,exports){
+module.exports=require('E/GbHF');
+},{}],"E/GbHF":[function(require,module,exports){
+(function(){/*!
+ * JSHint, by JSHint Community.
+ *
+ * This file (and this file only) is licensed under the same slightly modified
+ * MIT license that JSLint is. It stops evil-doers everywhere:
+ *
+ *	 Copyright (c) 2002 Douglas Crockford  (www.JSLint.com)
+ *
+ *	 Permission is hereby granted, free of charge, to any person obtaining
+ *	 a copy of this software and associated documentation files (the "Software"),
+ *	 to deal in the Software without restriction, including without limitation
+ *	 the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ *	 and/or sell copies of the Software, and to permit persons to whom
+ *	 the Software is furnished to do so, subject to the following conditions:
+ *
+ *	 The above copyright notice and this permission notice shall be included
+ *	 in all copies or substantial portions of the Software.
+ *
+ *	 The Software shall be used for Good, not Evil.
+ *
+ *	 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *	 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *	 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *	 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *	 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *	 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *	 DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*jshint quotmark:double */
+/*global console:true */
+/*exported console */
+
+var _        = require("underscore");
+var events   = require("events");
+var vars     = require("../shared/vars.js");
+var messages = require("../shared/messages.js");
+var Lexer    = require("./lex.js").Lexer;
+var reg      = require("./reg.js");
+var state    = require("./state.js").state;
+var style    = require("./style.js");
+
+// We need this module here because environments such as IE and Rhino
+// don't necessarilly expose the 'console' API and browserify uses
+// it to log things. It's a sad state of affair, really.
+var console = require("console-browserify");
+
+// We build the application inside a function so that we produce only a singleton
+// variable. That function will be invoked immediately, and its return value is
+// the JSHINT function itself.
+
+var JSHINT = (function () {
+	"use strict";
+
+	var anonname, // The guessed name for anonymous functions.
+		api, // Extension API
+
+		// These are operators that should not be used with the ! operator.
+		bang = {
+			"<"  : true,
+			"<=" : true,
+			"==" : true,
+			"===": true,
+			"!==": true,
+			"!=" : true,
+			">"  : true,
+			">=" : true,
+			"+"  : true,
+			"-"  : true,
+			"*"  : true,
+			"/"  : true,
+			"%"  : true
+		},
+
+		// These are the JSHint boolean options.
+		boolOptions = {
+			asi         : true, // if automatic semicolon insertion should be tolerated
+			bitwise     : true, // if bitwise operators should not be allowed
+			boss        : true, // if advanced usage of assignments should be allowed
+			browser     : true, // if the standard browser globals should be predefined
+			camelcase   : true, // if identifiers should be required in camel case
+			couch       : true, // if CouchDB globals should be predefined
+			curly       : true, // if curly braces around all blocks should be required
+			debug       : true, // if debugger statements should be allowed
+			devel       : true, // if logging globals should be predefined (console, alert, etc.)
+			dojo        : true, // if Dojo Toolkit globals should be predefined
+			eqeqeq      : true, // if === should be required
+			eqnull      : true, // if == null comparisons should be tolerated
+			es3         : true, // if ES3 syntax should be allowed
+			es5         : true, // if ES5 syntax should be allowed (is now set per default)
+			esnext      : true, // if es.next specific syntax should be allowed
+			moz         : true, // if mozilla specific syntax should be allowed
+			evil        : true, // if eval should be allowed
+			expr        : true, // if ExpressionStatement should be allowed as Programs
+			forin       : true, // if for in statements must filter
+			funcscope   : true, // if only function scope should be used for scope tests
+			gcl         : true, // if JSHint should be compatible with Google Closure Linter
+			globalstrict: true, // if global "use strict"; should be allowed (also enables 'strict')
+			immed       : true, // if immediate invocations must be wrapped in parens
+			iterator    : true, // if the `__iterator__` property should be allowed
+			jquery      : true, // if jQuery globals should be predefined
+			lastsemic   : true, // if semicolons may be ommitted for the trailing
+			                    // statements inside of a one-line blocks.
+			laxbreak    : true, // if line breaks should not be checked
+			laxcomma    : true, // if line breaks should not be checked around commas
+			loopfunc    : true, // if functions should be allowed to be defined within
+			                    // loops
+			mootools    : true, // if MooTools globals should be predefined
+			multistr    : true, // allow multiline strings
+			newcap      : true, // if constructor names must be capitalized
+			noarg       : true, // if arguments.caller and arguments.callee should be
+			                    // disallowed
+			node        : true, // if the Node.js environment globals should be
+			                    // predefined
+			noempty     : true, // if empty blocks should be disallowed
+			nonew       : true, // if using `new` for side-effects should be disallowed
+			nonstandard : true, // if non-standard (but widely adopted) globals should
+			                    // be predefined
+			nomen       : true, // if names should be checked
+			onevar      : true, // if only one var statement per function should be
+			                    // allowed
+			passfail    : true, // if the scan should stop on first error
+			phantom     : true, // if PhantomJS symbols should be allowed
+			plusplus    : true, // if increment/decrement should not be allowed
+			proto       : true, // if the `__proto__` property should be allowed
+			prototypejs : true, // if Prototype and Scriptaculous globals should be
+			                    // predefined
+			rhino       : true, // if the Rhino environment globals should be predefined
+			shelljs     : true, // if ShellJS globals should be predefined
+			undef       : true, // if variables should be declared before used
+			scripturl   : true, // if script-targeted URLs should be tolerated
+			shadow      : true, // if variable shadowing should be tolerated
+			smarttabs   : true, // if smarttabs should be tolerated
+			                    // (http://www.emacswiki.org/emacs/SmartTabs)
+			strict      : true, // require the "use strict"; pragma
+			sub         : true, // if all forms of subscript notation are tolerated
+			supernew    : true, // if `new function () { ... };` and `new Object;`
+			                    // should be tolerated
+			trailing    : true, // if trailing whitespace rules apply
+			validthis   : true, // if 'this' inside a non-constructor function is valid.
+			                    // This is a function scoped option only.
+			withstmt    : true, // if with statements should be allowed
+			white       : true, // if strict whitespace rules apply
+			worker      : true, // if Web Worker script symbols should be allowed
+			wsh         : true, // if the Windows Scripting Host environment globals
+			                    // should be predefined
+			yui         : true, // YUI variables should be predefined
+
+			// Obsolete options
+			onecase     : true, // if one case switch statements should be allowed
+			regexp      : true, // if the . should not be allowed in regexp literals
+			regexdash   : true  // if unescaped first/last dash (-) inside brackets
+			                    // should be tolerated
+		},
+
+		// These are the JSHint options that can take any value
+		// (we use this object to detect invalid options)
+		valOptions = {
+			maxlen       : false,
+			indent       : false,
+			maxerr       : false,
+			predef       : false,
+			quotmark     : false, //'single'|'double'|true
+			scope        : false,
+			maxstatements: false, // {int} max statements per function
+			maxdepth     : false, // {int} max nested block depth per function
+			maxparams    : false, // {int} max params per function
+			maxcomplexity: false, // {int} max cyclomatic complexity per function
+			unused       : true,  // warn if variables are unused. Available options:
+			                      //   false    - don't check for unused variables
+			                      //   true     - "vars" + check last function param
+			                      //   "vars"   - skip checking unused function params
+			                      //   "strict" - "vars" + check all function params
+			latedef      : false  // warn if the variable is used before its definition
+			                      //   false    - don't emit any warnings
+			                      //   true     - warn if any variable is used before its definition
+			                      //   "nofunc" - warn for any variable but function declarations
+		},
+
+		// These are JSHint boolean options which are shared with JSLint
+		// where the definition in JSHint is opposite JSLint
+		invertedOptions = {
+			bitwise : true,
+			forin   : true,
+			newcap  : true,
+			nomen   : true,
+			plusplus: true,
+			regexp  : true,
+			undef   : true,
+			white   : true,
+
+			// Inverted and renamed, use JSHint name here
+			eqeqeq  : true,
+			onevar  : true,
+			strict  : true
+		},
+
+		// These are JSHint boolean options which are shared with JSLint
+		// where the name has been changed but the effect is unchanged
+		renamedOptions = {
+			eqeq   : "eqeqeq",
+			vars   : "onevar",
+			windows: "wsh",
+			sloppy : "strict"
+		},
+
+		declared, // Globals that were declared using /*global ... */ syntax.
+		exported, // Variables that are used outside of the current file.
+
+		functionicity = [
+			"closure", "exception", "global", "label",
+			"outer", "unused", "var"
+		],
+
+		funct, // The current function
+		functions, // All of the functions
+
+		global, // The global scope
+		implied, // Implied globals
+		inblock,
+		indent,
+		lookahead,
+		lex,
+		member,
+		membersOnly,
+		noreach,
+		predefined,		// Global variables defined by option
+
+		scope,  // The current scope
+		stack,
+		unuseds,
+		urls,
+		warnings,
+
+		extraModules = [],
+		emitter = new events.EventEmitter();
+
+	function checkOption(name, t) {
+		name = name.trim();
+
+		if (/^[+-]W\d{3}$/g.test(name)) {
+			return true;
+		}
+
+		if (valOptions[name] === undefined && boolOptions[name] === undefined) {
+			if (t.type !== "jslint") {
+				error("E001", t, name);
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	function isString(obj) {
+		return Object.prototype.toString.call(obj) === "[object String]";
+	}
+
+	function isIdentifier(tkn, value) {
+		if (!tkn)
+			return false;
+
+		if (!tkn.identifier || tkn.value !== value)
+			return false;
+
+		return true;
+	}
+
+	function isReserved(token) {
+		if (!token.reserved) {
+			return false;
+		}
+		var meta = token.meta;
+
+		if (meta && meta.isFutureReservedWord && state.option.inES5()) {
+			// ES3 FutureReservedWord in an ES5 environment.
+			if (!meta.es5) {
+				return false;
+			}
+
+			// Some ES5 FutureReservedWord identifiers are active only
+			// within a strict mode environment.
+			if (meta.strictOnly) {
+				if (!state.option.strict && !state.directive["use strict"]) {
+					return false;
+				}
+			}
+
+			if (token.isProperty) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	function supplant(str, data) {
+		return str.replace(/\{([^{}]*)\}/g, function (a, b) {
+			var r = data[b];
+			return typeof r === "string" || typeof r === "number" ? r : a;
+		});
+	}
+
+	function combine(t, o) {
+		var n;
+		for (n in o) {
+			if (_.has(o, n) && !_.has(JSHINT.blacklist, n)) {
+				t[n] = o[n];
+			}
+		}
+	}
+
+	function updatePredefined() {
+		Object.keys(JSHINT.blacklist).forEach(function (key) {
+			delete predefined[key];
+		});
+	}
+
+	function assume() {
+		if (state.option.es5) {
+			warning("I003");
+		}
+		if (state.option.couch) {
+			combine(predefined, vars.couch);
+		}
+
+		if (state.option.rhino) {
+			combine(predefined, vars.rhino);
+		}
+
+		if (state.option.shelljs) {
+			combine(predefined, vars.shelljs);
+			combine(predefined, vars.node);
+		}
+
+		if (state.option.phantom) {
+			combine(predefined, vars.phantom);
+		}
+
+		if (state.option.prototypejs) {
+			combine(predefined, vars.prototypejs);
+		}
+
+		if (state.option.node) {
+			combine(predefined, vars.node);
+		}
+
+		if (state.option.devel) {
+			combine(predefined, vars.devel);
+		}
+
+		if (state.option.dojo) {
+			combine(predefined, vars.dojo);
+		}
+
+		if (state.option.browser) {
+			combine(predefined, vars.browser);
+		}
+
+		if (state.option.nonstandard) {
+			combine(predefined, vars.nonstandard);
+		}
+
+		if (state.option.jquery) {
+			combine(predefined, vars.jquery);
+		}
+
+		if (state.option.mootools) {
+			combine(predefined, vars.mootools);
+		}
+
+		if (state.option.worker) {
+			combine(predefined, vars.worker);
+		}
+
+		if (state.option.wsh) {
+			combine(predefined, vars.wsh);
+		}
+
+		if (state.option.globalstrict && state.option.strict !== false) {
+			state.option.strict = true;
+		}
+
+		if (state.option.yui) {
+			combine(predefined, vars.yui);
+		}
+
+		// Let's assume that chronologically ES3 < ES5 < ES6/ESNext < Moz
+
+		state.option.inMoz = function (strict) {
+			if (strict) {
+				return state.option.moz && !state.option.esnext;
+			}
+			return state.option.moz;
+		};
+
+		state.option.inESNext = function (strict) {
+			if (strict) {
+				return !state.option.moz && state.option.esnext;
+			}
+			return state.option.moz || state.option.esnext;
+		};
+
+		state.option.inES5 = function (/* strict */) {
+			return !state.option.es3;
+		};
+
+		state.option.inES3 = function (strict) {
+			if (strict) {
+				return !state.option.moz && !state.option.esnext && state.option.es3;
+			}
+			return state.option.es3;
+		};
+	}
+
+	// Produce an error warning.
+	function quit(code, line, chr) {
+		var percentage = Math.floor((line / state.lines.length) * 100);
+		var message = messages.errors[code].desc;
+
+		throw {
+			name: "JSHintError",
+			line: line,
+			character: chr,
+			message: message + " (" + percentage + "% scanned).",
+			raw: message,
+			code: code
+		};
+	}
+
+	function isundef(scope, code, token, a) {
+		return JSHINT.undefs.push([scope, code, token, a]);
+	}
+
+	function warning(code, t, a, b, c, d) {
+		var ch, l, w, msg;
+
+		if (/^W\d{3}$/.test(code)) {
+			if (state.ignored[code])
+				return;
+
+			msg = messages.warnings[code];
+		} else if (/E\d{3}/.test(code)) {
+			msg = messages.errors[code];
+		} else if (/I\d{3}/.test(code)) {
+			msg = messages.info[code];
+		}
+
+		t = t || state.tokens.next;
+		if (t.id === "(end)") {  // `~
+			t = state.tokens.curr;
+		}
+
+		l = t.line || 0;
+		ch = t.from || 0;
+
+		w = {
+			id: "(error)",
+			raw: msg.desc,
+			code: msg.code,
+			evidence: state.lines[l - 1] || "",
+			line: l,
+			character: ch,
+			scope: JSHINT.scope,
+			a: a,
+			b: b,
+			c: c,
+			d: d
+		};
+
+		w.reason = supplant(msg.desc, w);
+		JSHINT.errors.push(w);
+
+		if (state.option.passfail) {
+			quit("E042", l, ch);
+		}
+
+		warnings += 1;
+		if (warnings >= state.option.maxerr) {
+			quit("E043", l, ch);
+		}
+
+		return w;
+	}
+
+	function warningAt(m, l, ch, a, b, c, d) {
+		return warning(m, {
+			line: l,
+			from: ch
+		}, a, b, c, d);
+	}
+
+	function error(m, t, a, b, c, d) {
+		warning(m, t, a, b, c, d);
+	}
+
+	function errorAt(m, l, ch, a, b, c, d) {
+		return error(m, {
+			line: l,
+			from: ch
+		}, a, b, c, d);
+	}
+
+	// Tracking of "internal" scripts, like eval containing a static string
+	function addInternalSrc(elem, src) {
+		var i;
+		i = {
+			id: "(internal)",
+			elem: elem,
+			value: src
+		};
+		JSHINT.internals.push(i);
+		return i;
+	}
+
+	function addlabel(t, type, tkn, islet) {
+		// Define t in the current function in the current scope.
+		if (type === "exception") {
+			if (_.has(funct["(context)"], t)) {
+				if (funct[t] !== true && !state.option.node) {
+					warning("W002", state.tokens.next, t);
+				}
+			}
+		}
+
+		if (_.has(funct, t) && !funct["(global)"]) {
+			if (funct[t] === true) {
+				if (state.option.latedef) {
+					if ((state.option.latedef === true && _.contains([funct[t], type], "unction")) ||
+							!_.contains([funct[t], type], "unction")) {
+						warning("W003", state.tokens.next, t);
+					}
+				}
+			} else {
+				if (!state.option.shadow && type !== "exception" ||
+							(funct["(blockscope)"].getlabel(t))) {
+					warning("W004", state.tokens.next, t);
+				}
+			}
+		}
+
+		// a double definition of a let variable in same block throws a TypeError
+		if (funct["(blockscope)"] && funct["(blockscope)"].current.has(t)) {
+			error("E044", state.tokens.next, t);
+		}
+
+		// if the identifier is from a let, adds it only to the current blockscope
+		if (islet) {
+			funct["(blockscope)"].current.add(t, type, state.tokens.curr);
+		} else {
+
+			funct[t] = type;
+
+			if (tkn) {
+				funct["(tokens)"][t] = tkn;
+			}
+
+			if (funct["(global)"]) {
+				global[t] = funct;
+				if (_.has(implied, t)) {
+					if (state.option.latedef) {
+						if ((state.option.latedef === true && _.contains([funct[t], type], "unction")) ||
+								!_.contains([funct[t], type], "unction")) {
+							warning("W003", state.tokens.next, t);
+						}
+					}
+
+					delete implied[t];
+				}
+			} else {
+				scope[t] = funct;
+			}
+		}
+	}
+
+	function doOption() {
+		var nt = state.tokens.next;
+		var body = nt.body.split(",").map(function (s) { return s.trim(); });
+		var predef = {};
+
+		if (nt.type === "globals") {
+			body.forEach(function (g) {
+				g = g.split(":");
+				var key = g[0];
+				var val = g[1];
+
+				if (key.charAt(0) === "-") {
+					key = key.slice(1);
+					val = false;
+
+					JSHINT.blacklist[key] = key;
+					updatePredefined();
+				} else {
+					predef[key] = (val === "true");
+				}
+			});
+
+			combine(predefined, predef);
+
+			for (var key in predef) {
+				if (_.has(predef, key)) {
+					declared[key] = nt;
+				}
+			}
+		}
+
+		if (nt.type === "exported") {
+			body.forEach(function (e) {
+				exported[e] = true;
+			});
+		}
+
+		if (nt.type === "members") {
+			membersOnly = membersOnly || {};
+
+			body.forEach(function (m) {
+				var ch1 = m.charAt(0);
+				var ch2 = m.charAt(m.length - 1);
+
+				if (ch1 === ch2 && (ch1 === "\"" || ch1 === "'")) {
+					m = m
+						.substr(1, m.length - 2)
+						.replace("\\b", "\b")
+						.replace("\\t", "\t")
+						.replace("\\n", "\n")
+						.replace("\\v", "\v")
+						.replace("\\f", "\f")
+						.replace("\\r", "\r")
+						.replace("\\\\", "\\")
+						.replace("\\\"", "\"");
+				}
+
+				membersOnly[m] = false;
+			});
+		}
+
+		var numvals = [
+			"maxstatements",
+			"maxparams",
+			"maxdepth",
+			"maxcomplexity",
+			"maxerr",
+			"maxlen",
+			"indent"
+		];
+
+		if (nt.type === "jshint" || nt.type === "jslint") {
+			body.forEach(function (g) {
+				g = g.split(":");
+				var key = (g[0] || "").trim();
+				var val = (g[1] || "").trim();
+
+				if (!checkOption(key, nt)) {
+					return;
+				}
+
+				if (numvals.indexOf(key) >= 0) {
+
+					// GH988 - numeric options can be disabled by setting them to `false`
+					if (val !== "false") {
+						val = +val;
+
+						if (typeof val !== "number" || !isFinite(val) || val <= 0 || Math.floor(val) !== val) {
+							error("E032", nt, g[1].trim());
+							return;
+						}
+
+						if (key === "indent") {
+							state.option["(explicitIndent)"] = true;
+						}
+						state.option[key] = val;
+					} else {
+						if (key === "indent") {
+							state.option["(explicitIndent)"] = false;
+						} else {
+							state.option[key] = false;
+						}
+					}
+
+					return;
+				}
+
+				if (key === "validthis") {
+					// `validthis` is valid only within a function scope.
+					if (funct["(global)"]) {
+						error("E009");
+					} else {
+						if (val === "true" || val === "false") {
+							state.option.validthis = (val === "true");
+						} else {
+							error("E002", nt);
+						}
+					}
+					return;
+				}
+
+				if (key === "quotmark") {
+					switch (val) {
+					case "true":
+					case "false":
+						state.option.quotmark = (val === "true");
+						break;
+					case "double":
+					case "single":
+						state.option.quotmark = val;
+						break;
+					default:
+						error("E002", nt);
+					}
+					return;
+				}
+
+				if (key === "unused") {
+					switch (val) {
+					case "true":
+						state.option.unused = true;
+						break;
+					case "false":
+						state.option.unused = false;
+						break;
+					case "vars":
+					case "strict":
+						state.option.unused = val;
+						break;
+					default:
+						error("E002", nt);
+					}
+					return;
+				}
+
+				if (key === "latedef") {
+					switch (val) {
+					case "true":
+						state.option.latedef = true;
+						break;
+					case "false":
+						state.option.latedef = false;
+						break;
+					case "nofunc":
+						state.option.latedef = "nofunc";
+						break;
+					default:
+						error("E002", nt);
+					}
+					return;
+				}
+
+				var match = /^([+-])(W\d{3})$/g.exec(key);
+				if (match) {
+					// ignore for -W..., unignore for +W...
+					state.ignored[match[2]] = (match[1] === "-");
+					return;
+				}
+
+				var tn;
+				if (val === "true" || val === "false") {
+					if (nt.type === "jslint") {
+						tn = renamedOptions[key] || key;
+						state.option[tn] = (val === "true");
+
+						if (invertedOptions[tn] !== undefined) {
+							state.option[tn] = !state.option[tn];
+						}
+					} else {
+						state.option[key] = (val === "true");
+					}
+
+					if (key === "newcap") {
+						state.option["(explicitNewcap)"] = true;
+					}
+					return;
+				}
+
+				error("E002", nt);
+			});
+
+			assume();
+		}
+	}
+
+	// We need a peek function. If it has an argument, it peeks that much farther
+	// ahead. It is used to distinguish
+	//	   for ( var i in ...
+	// from
+	//	   for ( var i = ...
+
+	function peek(p) {
+		var i = p || 0, j = 0, t;
+
+		while (j <= i) {
+			t = lookahead[j];
+			if (!t) {
+				t = lookahead[j] = lex.token();
+			}
+			j += 1;
+		}
+		return t;
+	}
+
+	// Produce the next token. It looks for programming errors.
+
+	function advance(id, t) {
+		switch (state.tokens.curr.id) {
+		case "(number)":
+			if (state.tokens.next.id === ".") {
+				warning("W005", state.tokens.curr);
+			}
+			break;
+		case "-":
+			if (state.tokens.next.id === "-" || state.tokens.next.id === "--") {
+				warning("W006");
+			}
+			break;
+		case "+":
+			if (state.tokens.next.id === "+" || state.tokens.next.id === "++") {
+				warning("W007");
+			}
+			break;
+		}
+
+		if (state.tokens.curr.type === "(string)" || state.tokens.curr.identifier) {
+			anonname = state.tokens.curr.value;
+		}
+
+		if (id && state.tokens.next.id !== id) {
+			if (t) {
+				if (state.tokens.next.id === "(end)") {
+					error("E019", t, t.id);
+				} else {
+					error("E020", state.tokens.next, id, t.id, t.line, state.tokens.next.value);
+				}
+			} else if (state.tokens.next.type !== "(identifier)" || state.tokens.next.value !== id) {
+				warning("W116", state.tokens.next, id, state.tokens.next.value);
+			}
+		}
+
+		state.tokens.prev = state.tokens.curr;
+		state.tokens.curr = state.tokens.next;
+		for (;;) {
+			state.tokens.next = lookahead.shift() || lex.token();
+
+			if (!state.tokens.next) { // No more tokens left, give up
+				quit("E041", state.tokens.curr.line);
+			}
+
+			if (state.tokens.next.id === "(end)" || state.tokens.next.id === "(error)") {
+				return;
+			}
+
+			if (state.tokens.next.check) {
+				state.tokens.next.check();
+			}
+
+			if (state.tokens.next.isSpecial) {
+				doOption();
+			} else {
+				if (state.tokens.next.id !== "(endline)") {
+					break;
+				}
+			}
+		}
+	}
+
+	function isInfix(token) {
+		return token.infix || (!token.identifier && !!token.led);
+	}
+
+	function isEndOfExpr() {
+		var curr = state.tokens.curr;
+		var next = state.tokens.next;
+		if (next.id === ";" || next.id === "}" || next.id === ":") {
+			return true;
+		}
+		if (isInfix(next) === isInfix(curr) || (curr.id === "yield" && state.option.inMoz(true))) {
+			return curr.line !== next.line;
+		}
+		return false;
+	}
+
+	// This is the heart of JSHINT, the Pratt parser. In addition to parsing, it
+	// is looking for ad hoc lint patterns. We add .fud to Pratt's model, which is
+	// like .nud except that it is only used on the first token of a statement.
+	// Having .fud makes it much easier to define statement-oriented languages like
+	// JavaScript. I retained Pratt's nomenclature.
+
+	// .nud  Null denotation
+	// .fud  First null denotation
+	// .led  Left denotation
+	//  lbp  Left binding power
+	//  rbp  Right binding power
+
+	// They are elements of the parsing method called Top Down Operator Precedence.
+
+	function expression(rbp, initial) {
+		var left, isArray = false, isObject = false, isLetExpr = false;
+
+		// if current expression is a let expression
+		if (!initial && state.tokens.next.value === "let" && peek(0).value === "(") {
+			if (!state.option.inMoz(true)) {
+				warning("W118", state.tokens.next, "let expressions");
+			}
+			isLetExpr = true;
+			// create a new block scope we use only for the current expression
+			funct["(blockscope)"].stack();
+			advance("let");
+			advance("(");
+			state.syntax["let"].fud.call(state.syntax["let"].fud, false);
+			advance(")");
+		}
+
+		if (state.tokens.next.id === "(end)")
+			error("E006", state.tokens.curr);
+
+		advance();
+
+		if (initial) {
+			anonname = "anonymous";
+			funct["(verb)"] = state.tokens.curr.value;
+		}
+
+		if (initial === true && state.tokens.curr.fud) {
+			left = state.tokens.curr.fud();
+		} else {
+			if (state.tokens.curr.nud) {
+				left = state.tokens.curr.nud();
+			} else {
+				error("E030", state.tokens.curr, state.tokens.curr.id);
+			}
+
+			while (rbp < state.tokens.next.lbp && !isEndOfExpr()) {
+				isArray = state.tokens.curr.value === "Array";
+				isObject = state.tokens.curr.value === "Object";
+
+				// #527, new Foo.Array(), Foo.Array(), new Foo.Object(), Foo.Object()
+				// Line breaks in IfStatement heads exist to satisfy the checkJSHint
+				// "Line too long." error.
+				if (left && (left.value || (left.first && left.first.value))) {
+					// If the left.value is not "new", or the left.first.value is a "."
+					// then safely assume that this is not "new Array()" and possibly
+					// not "new Object()"...
+					if (left.value !== "new" ||
+					  (left.first && left.first.value && left.first.value === ".")) {
+						isArray = false;
+						// ...In the case of Object, if the left.value and state.tokens.curr.value
+						// are not equal, then safely assume that this not "new Object()"
+						if (left.value !== state.tokens.curr.value) {
+							isObject = false;
+						}
+					}
+				}
+
+				advance();
+
+				if (isArray && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
+					warning("W009", state.tokens.curr);
+				}
+
+				if (isObject && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
+					warning("W010", state.tokens.curr);
+				}
+
+				if (left && state.tokens.curr.led) {
+					left = state.tokens.curr.led(left);
+				} else {
+					error("E033", state.tokens.curr, state.tokens.curr.id);
+				}
+			}
+		}
+		if (isLetExpr) {
+			funct["(blockscope)"].unstack();
+		}
+		return left;
+	}
+
+
+// Functions for conformance of style.
+
+	function adjacent(left, right) {
+		left = left || state.tokens.curr;
+		right = right || state.tokens.next;
+		if (state.option.white) {
+			if (left.character !== right.from && left.line === right.line) {
+				left.from += (left.character - left.from);
+				warning("W011", left, left.value);
+			}
+		}
+	}
+
+	function nobreak(left, right) {
+		left = left || state.tokens.curr;
+		right = right || state.tokens.next;
+		if (state.option.white && (left.character !== right.from || left.line !== right.line)) {
+			warning("W012", right, right.value);
+		}
+	}
+
+	function nospace(left, right) {
+		left = left || state.tokens.curr;
+		right = right || state.tokens.next;
+		if (state.option.white && !left.comment) {
+			if (left.line === right.line) {
+				adjacent(left, right);
+			}
+		}
+	}
+
+	function nonadjacent(left, right) {
+		if (state.option.white) {
+			left = left || state.tokens.curr;
+			right = right || state.tokens.next;
+
+			if (left.value === ";" && right.value === ";") {
+				return;
+			}
+
+			if (left.line === right.line && left.character === right.from) {
+				left.from += (left.character - left.from);
+				warning("W013", left, left.value);
+			}
+		}
+	}
+
+	function nobreaknonadjacent(left, right) {
+		left = left || state.tokens.curr;
+		right = right || state.tokens.next;
+		if (!state.option.laxbreak && left.line !== right.line) {
+			warning("W014", right, right.value);
+		} else if (state.option.white) {
+			left = left || state.tokens.curr;
+			right = right || state.tokens.next;
+			if (left.character === right.from) {
+				left.from += (left.character - left.from);
+				warning("W013", left, left.value);
+			}
+		}
+	}
+
+	function indentation(bias) {
+		if (!state.option.white && !state.option["(explicitIndent)"]) {
+			return;
+		}
+
+		if (state.tokens.next.id === "(end)") {
+			return;
+		}
+
+		var i = indent + (bias || 0);
+		if (state.tokens.next.from !== i) {
+			warning("W015", state.tokens.next, state.tokens.next.value, i, state.tokens.next.from);
+		}
+	}
+
+	function nolinebreak(t) {
+		t = t || state.tokens.curr;
+		if (t.line !== state.tokens.next.line) {
+			warning("E022", t, t.value);
+		}
+	}
+
+	function nobreakcomma(left, right) {
+		if (left.line !== right.line) {
+			if (!state.option.laxcomma) {
+				if (comma.first) {
+					warning("I001");
+					comma.first = false;
+				}
+				warning("W014", left, right.value);
+			}
+		} else if (!left.comment && left.character !== right.from && state.option.white) {
+			left.from += (left.character - left.from);
+			warning("W011", left, left.value);
+		}
+	}
+
+	function comma(opts) {
+		opts = opts || {};
+
+		if (!opts.peek) {
+			nobreakcomma(state.tokens.curr, state.tokens.next);
+			advance(",");
+		} else {
+			nobreakcomma(state.tokens.prev, state.tokens.curr);
+		}
+
+		// TODO: This is a temporary solution to fight against false-positives in
+		// arrays and objects with trailing commas (see GH-363). The best solution
+		// would be to extract all whitespace rules out of parser.
+
+		if (state.tokens.next.value !== "]" && state.tokens.next.value !== "}") {
+			nonadjacent(state.tokens.curr, state.tokens.next);
+		}
+
+		if (state.tokens.next.identifier && !(opts.property && state.option.inES5())) {
+			// Keywords that cannot follow a comma operator.
+			switch (state.tokens.next.value) {
+			case "break":
+			case "case":
+			case "catch":
+			case "continue":
+			case "default":
+			case "do":
+			case "else":
+			case "finally":
+			case "for":
+			case "if":
+			case "in":
+			case "instanceof":
+			case "return":
+			case "switch":
+			case "throw":
+			case "try":
+			case "var":
+			case "let":
+			case "while":
+			case "with":
+				error("E024", state.tokens.next, state.tokens.next.value);
+				return false;
+			}
+		}
+
+		if (state.tokens.next.type === "(punctuator)") {
+			switch (state.tokens.next.value) {
+			case "}":
+			case "]":
+			case ",":
+				if (opts.allowTrailing) {
+					return true;
+				}
+
+				/* falls through */
+			case ")":
+				error("E024", state.tokens.next, state.tokens.next.value);
+				return false;
+			}
+		}
+		return true;
+	}
+
+	// Functional constructors for making the symbols that will be inherited by
+	// tokens.
+
+	function symbol(s, p) {
+		var x = state.syntax[s];
+		if (!x || typeof x !== "object") {
+			state.syntax[s] = x = {
+				id: s,
+				lbp: p,
+				value: s
+			};
+		}
+		return x;
+	}
+
+	function delim(s) {
+		return symbol(s, 0);
+	}
+
+	function stmt(s, f) {
+		var x = delim(s);
+		x.identifier = x.reserved = true;
+		x.fud = f;
+		return x;
+	}
+
+	function blockstmt(s, f) {
+		var x = stmt(s, f);
+		x.block = true;
+		return x;
+	}
+
+	function reserveName(x) {
+		var c = x.id.charAt(0);
+		if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
+			x.identifier = x.reserved = true;
+		}
+		return x;
+	}
+
+	function prefix(s, f) {
+		var x = symbol(s, 150);
+		reserveName(x);
+		x.nud = (typeof f === "function") ? f : function () {
+			this.right = expression(150);
+			this.arity = "unary";
+			if (this.id === "++" || this.id === "--") {
+				if (state.option.plusplus) {
+					warning("W016", this, this.id);
+				} else if ((!this.right.identifier || isReserved(this.right)) &&
+						this.right.id !== "." && this.right.id !== "[") {
+					warning("W017", this);
+				}
+			}
+			return this;
+		};
+		return x;
+	}
+
+	function type(s, f) {
+		var x = delim(s);
+		x.type = s;
+		x.nud = f;
+		return x;
+	}
+
+	function reserve(name, func) {
+		var x = type(name, func);
+		x.identifier = true;
+		x.reserved = true;
+		return x;
+	}
+
+	function FutureReservedWord(name, meta) {
+		var x = type(name, (meta && meta.nud) || function () {
+			return this;
+		});
+
+		meta = meta || {};
+		meta.isFutureReservedWord = true;
+
+		x.value = name;
+		x.identifier = true;
+		x.reserved = true;
+		x.meta = meta;
+
+		return x;
+	}
+
+	function reservevar(s, v) {
+		return reserve(s, function () {
+			if (typeof v === "function") {
+				v(this);
+			}
+			return this;
+		});
+	}
+
+	function infix(s, f, p, w) {
+		var x = symbol(s, p);
+		reserveName(x);
+		x.infix = true;
+		x.led = function (left) {
+			if (!w) {
+				nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+				nonadjacent(state.tokens.curr, state.tokens.next);
+			}
+			if (s === "in" && left.id === "!") {
+				warning("W018", left, "!");
+			}
+			if (typeof f === "function") {
+				return f(left, this);
+			} else {
+				this.left = left;
+				this.right = expression(p);
+				return this;
+			}
+		};
+		return x;
+	}
+
+
+	function application(s) {
+		var x = symbol(s, 42);
+
+		x.led = function (left) {
+			if (!state.option.inESNext()) {
+				warning("W104", state.tokens.curr, "arrow function syntax (=>)");
+			}
+
+			nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+			nonadjacent(state.tokens.curr, state.tokens.next);
+
+			this.left = left;
+			this.right = doFunction(undefined, undefined, false, left);
+			return this;
+		};
+		return x;
+	}
+
+	function relation(s, f) {
+		var x = symbol(s, 100);
+
+		x.led = function (left) {
+			nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			var right = expression(100);
+
+			if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
+				warning("W019", this);
+			} else if (f) {
+				f.apply(this, [left, right]);
+			}
+
+			if (!left || !right) {
+				quit("E041", state.tokens.curr.line);
+			}
+
+			if (left.id === "!") {
+				warning("W018", left, "!");
+			}
+
+			if (right.id === "!") {
+				warning("W018", right, "!");
+			}
+
+			this.left = left;
+			this.right = right;
+			return this;
+		};
+		return x;
+	}
+
+	function isPoorRelation(node) {
+		return node &&
+			  ((node.type === "(number)" && +node.value === 0) ||
+			   (node.type === "(string)" && node.value === "") ||
+			   (node.type === "null" && !state.option.eqnull) ||
+				node.type === "true" ||
+				node.type === "false" ||
+				node.type === "undefined");
+	}
+
+	function assignop(s, f, p) {
+		var x = infix(s, typeof f === "function" ? f : function (left, that) {
+			that.left = left;
+
+			if (left) {
+				if (predefined[left.value] === false &&
+						scope[left.value]["(global)"] === true) {
+					warning("W020", left);
+				} else if (left["function"]) {
+					warning("W021", left, left.value);
+				}
+
+				if (funct[left.value] === "const") {
+					error("E013", left, left.value);
+				}
+
+				if (left.id === ".") {
+					if (!left.left) {
+						warning("E031", that);
+					} else if (left.left.value === "arguments" && !state.directive["use strict"]) {
+						warning("E031", that);
+					}
+
+					that.right = expression(10);
+					return that;
+				} else if (left.id === "[") {
+					if (state.tokens.curr.left.first) {
+						state.tokens.curr.left.first.forEach(function (t) {
+							if (funct[t.value] === "const") {
+								error("E013", t, t.value);
+							}
+						});
+					} else if (!left.left) {
+						warning("E031", that);
+					} else if (left.left.value === "arguments" && !state.directive["use strict"]) {
+						warning("E031", that);
+					}
+					that.right = expression(10);
+					return that;
+				} else if (left.identifier && !isReserved(left)) {
+					if (funct[left.value] === "exception") {
+						warning("W022", left);
+					}
+					that.right = expression(10);
+					return that;
+				}
+
+				if (left === state.syntax["function"]) {
+					warning("W023", state.tokens.curr);
+				}
+			}
+
+			error("E031", that);
+		}, p);
+
+		x.exps = true;
+		x.assign = true;
+		return x;
+	}
+
+
+	function bitwise(s, f, p) {
+		var x = symbol(s, p);
+		reserveName(x);
+		x.led = (typeof f === "function") ? f : function (left) {
+			if (state.option.bitwise) {
+				warning("W016", this, this.id);
+			}
+			this.left = left;
+			this.right = expression(p);
+			return this;
+		};
+		return x;
+	}
+
+
+	function bitwiseassignop(s) {
+		return assignop(s, function (left, that) {
+			if (state.option.bitwise) {
+				warning("W016", that, that.id);
+			}
+			nonadjacent(state.tokens.prev, state.tokens.curr);
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			if (left) {
+				if (left.id === "." || left.id === "[" ||
+						(left.identifier && !isReserved(left))) {
+					expression(10);
+					return that;
+				}
+				if (left === state.syntax["function"]) {
+					warning("W023", state.tokens.curr);
+				}
+				return that;
+			}
+			error("E031", that);
+		}, 20);
+	}
+
+
+	function suffix(s) {
+		var x = symbol(s, 150);
+
+		x.led = function (left) {
+			if (state.option.plusplus) {
+				warning("W016", this, this.id);
+			} else if ((!left.identifier || isReserved(left)) && left.id !== "." && left.id !== "[") {
+				warning("W017", this);
+			}
+
+			this.left = left;
+			return this;
+		};
+		return x;
+	}
+
+	// fnparam means that this identifier is being defined as a function
+	// argument (see identifier())
+	// prop means that this identifier is that of an object property
+
+	function optionalidentifier(fnparam, prop) {
+		if (!state.tokens.next.identifier) {
+			return;
+		}
+
+		advance();
+
+		var curr = state.tokens.curr;
+		var val  = state.tokens.curr.value;
+
+		if (!isReserved(curr)) {
+			return val;
+		}
+
+		if (prop) {
+			if (state.option.inES5()) {
+				return val;
+			}
+		}
+
+		if (fnparam && val === "undefined") {
+			return val;
+		}
+
+		// Display an info message about reserved words as properties
+		// and ES5 but do it only once.
+		if (prop && !api.getCache("displayed:I002")) {
+			api.setCache("displayed:I002", true);
+			warning("I002");
+		}
+
+		warning("W024", state.tokens.curr, state.tokens.curr.id);
+		return val;
+	}
+
+	// fnparam means that this identifier is being defined as a function
+	// argument
+	// prop means that this identifier is that of an object property
+	function identifier(fnparam, prop) {
+		var i = optionalidentifier(fnparam, prop);
+		if (i) {
+			return i;
+		}
+		if (state.tokens.curr.id === "function" && state.tokens.next.id === "(") {
+			warning("W025");
+		} else {
+			error("E030", state.tokens.next, state.tokens.next.value);
+		}
+	}
+
+
+	function reachable(s) {
+		var i = 0, t;
+		if (state.tokens.next.id !== ";" || noreach) {
+			return;
+		}
+		for (;;) {
+			t = peek(i);
+			if (t.reach) {
+				return;
+			}
+			if (t.id !== "(endline)") {
+				if (t.id === "function") {
+					if (!state.option.latedef) {
+						break;
+					}
+
+					warning("W026", t);
+					break;
+				}
+
+				warning("W027", t, t.value, s);
+				break;
+			}
+			i += 1;
+		}
+	}
+
+
+	function statement(noindent) {
+		var values;
+		var i = indent, r, s = scope, t = state.tokens.next;
+
+		if (t.id === ";") {
+			advance(";");
+			return;
+		}
+
+		// Is this a labelled statement?
+		var res = isReserved(t);
+
+		// We're being more tolerant here: if someone uses
+		// a FutureReservedWord as a label, we warn but proceed
+		// anyway.
+
+		if (res && t.meta && t.meta.isFutureReservedWord && peek().id === ":") {
+			warning("W024", t, t.id);
+			res = false;
+		}
+
+		// detect a destructuring assignment
+		if (_.has(["[", "{"], t.value)) {
+			if (lookupBlockType().isDestAssign) {
+				if (!state.option.inESNext()) {
+					warning("W104", state.tokens.curr, "destructuring expression");
+				}
+				values = destructuringExpression();
+				values.forEach(function (tok) {
+					isundef(funct, "W117", tok.token, tok.id);
+				});
+				advance("=");
+				destructuringExpressionMatch(values, expression(10, true));
+				advance(";");
+				return;
+			}
+		}
+		if (t.identifier && !res && peek().id === ":") {
+			advance();
+			advance(":");
+			scope = Object.create(s);
+			addlabel(t.value, "label");
+
+			if (!state.tokens.next.labelled && state.tokens.next.value !== "{") {
+				warning("W028", state.tokens.next, t.value, state.tokens.next.value);
+			}
+
+			state.tokens.next.label = t.value;
+			t = state.tokens.next;
+		}
+
+		// Is it a lonely block?
+
+		if (t.id === "{") {
+			block(true, true);
+			return;
+		}
+
+		// Parse the statement.
+
+		if (!noindent) {
+			indentation();
+		}
+		r = expression(0, true);
+
+		// Look for the final semicolon.
+
+		if (!t.block) {
+			if (!state.option.expr && (!r || !r.exps)) {
+				warning("W030", state.tokens.curr);
+			} else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
+				warning("W031", t);
+			}
+
+			if (state.tokens.next.id !== ";") {
+				if (!state.option.asi) {
+					// If this is the last statement in a block that ends on
+					// the same line *and* option lastsemic is on, ignore the warning.
+					// Otherwise, complain about missing semicolon.
+					if (!state.option.lastsemic || state.tokens.next.id !== "}" ||
+						state.tokens.next.line !== state.tokens.curr.line) {
+						warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
+					}
+				}
+			} else {
+				adjacent(state.tokens.curr, state.tokens.next);
+				advance(";");
+				nonadjacent(state.tokens.curr, state.tokens.next);
+			}
+		}
+
+		// Restore the indentation.
+
+		indent = i;
+		scope = s;
+		return r;
+	}
+
+
+	function statements(startLine) {
+		var a = [], p;
+
+		while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
+			if (state.tokens.next.id === ";") {
+				p = peek();
+
+				if (!p || (p.id !== "(" && p.id !== "[")) {
+					warning("W032");
+				}
+
+				advance(";");
+			} else {
+				a.push(statement(startLine === state.tokens.next.line));
+			}
+		}
+		return a;
+	}
+
+
+	/*
+	 * read all directives
+	 * recognizes a simple form of asi, but always
+	 * warns, if it is used
+	 */
+	function directives() {
+		var i, p, pn;
+
+		for (;;) {
+			if (state.tokens.next.id === "(string)") {
+				p = peek(0);
+				if (p.id === "(endline)") {
+					i = 1;
+					do {
+						pn = peek(i);
+						i = i + 1;
+					} while (pn.id === "(endline)");
+
+					if (pn.id !== ";") {
+						if (pn.id !== "(string)" && pn.id !== "(number)" &&
+							pn.id !== "(regexp)" && pn.identifier !== true &&
+							pn.id !== "}") {
+							break;
+						}
+						warning("W033", state.tokens.next);
+					} else {
+						p = pn;
+					}
+				} else if (p.id === "}") {
+					// Directive with no other statements, warn about missing semicolon
+					warning("W033", p);
+				} else if (p.id !== ";") {
+					break;
+				}
+
+				indentation();
+				advance();
+				if (state.directive[state.tokens.curr.value]) {
+					warning("W034", state.tokens.curr, state.tokens.curr.value);
+				}
+
+				if (state.tokens.curr.value === "use strict") {
+					if (!state.option["(explicitNewcap)"])
+						state.option.newcap = true;
+					state.option.undef = true;
+				}
+
+				// there's no directive negation, so always set to true
+				state.directive[state.tokens.curr.value] = true;
+
+				if (p.id === ";") {
+					advance(";");
+				}
+				continue;
+			}
+			break;
+		}
+	}
+
+
+	/*
+	 * Parses a single block. A block is a sequence of statements wrapped in
+	 * braces.
+	 *
+	 * ordinary - true for everything but function bodies and try blocks.
+	 * stmt		- true if block can be a single statement (e.g. in if/for/while).
+	 * isfunc	- true if block is a function body
+	 */
+	function block(ordinary, stmt, isfunc, isfatarrow) {
+		var a,
+			b = inblock,
+			old_indent = indent,
+			m,
+			s = scope,
+			t,
+			line,
+			d;
+
+		inblock = ordinary;
+
+		if (!ordinary || !state.option.funcscope)
+			scope = Object.create(scope);
+
+		nonadjacent(state.tokens.curr, state.tokens.next);
+		t = state.tokens.next;
+
+		var metrics = funct["(metrics)"];
+		metrics.nestedBlockDepth += 1;
+		metrics.verifyMaxNestedBlockDepthPerFunction();
+
+		if (state.tokens.next.id === "{") {
+			advance("{");
+
+			// create a new block scope
+			funct["(blockscope)"].stack();
+
+			line = state.tokens.curr.line;
+			if (state.tokens.next.id !== "}") {
+				indent += state.option.indent;
+				while (!ordinary && state.tokens.next.from > indent) {
+					indent += state.option.indent;
+				}
+
+				if (isfunc) {
+					m = {};
+					for (d in state.directive) {
+						if (_.has(state.directive, d)) {
+							m[d] = state.directive[d];
+						}
+					}
+					directives();
+
+					if (state.option.strict && funct["(context)"]["(global)"]) {
+						if (!m["use strict"] && !state.directive["use strict"]) {
+							warning("E007");
+						}
+					}
+				}
+
+				a = statements(line);
+
+				metrics.statementCount += a.length;
+
+				if (isfunc) {
+					state.directive = m;
+				}
+
+				indent -= state.option.indent;
+				if (line !== state.tokens.next.line) {
+					indentation();
+				}
+			} else if (line !== state.tokens.next.line) {
+				indentation();
+			}
+			advance("}", t);
+
+			funct["(blockscope)"].unstack();
+
+			indent = old_indent;
+		} else if (!ordinary) {
+			if (isfunc) {
+				m = {};
+				if (stmt && !isfatarrow && !state.option.inMoz(true)) {
+					error("W118", state.tokens.curr, "function closure expressions");
+				}
+
+				if (!stmt) {
+					for (d in state.directive) {
+						if (_.has(state.directive, d)) {
+							m[d] = state.directive[d];
+						}
+					}
+				}
+				expression(10);
+
+				if (state.option.strict && funct["(context)"]["(global)"]) {
+					if (!m["use strict"] && !state.directive["use strict"]) {
+						warning("E007");
+					}
+				}
+			} else {
+				error("E021", state.tokens.next, "{", state.tokens.next.value);
+			}
+		} else {
+
+			// check to avoid let declaration not within a block
+			funct["(nolet)"] = true;
+
+			if (!stmt || state.option.curly) {
+				warning("W116", state.tokens.next, "{", state.tokens.next.value);
+			}
+
+			noreach = true;
+			indent += state.option.indent;
+			// test indentation only if statement is in new line
+			a = [statement(state.tokens.next.line === state.tokens.curr.line)];
+			indent -= state.option.indent;
+			noreach = false;
+
+			delete funct["(nolet)"];
+		}
+		funct["(verb)"] = null;
+		if (!ordinary || !state.option.funcscope) scope = s;
+		inblock = b;
+		if (ordinary && state.option.noempty && (!a || a.length === 0)) {
+			warning("W035");
+		}
+		metrics.nestedBlockDepth -= 1;
+		return a;
+	}
+
+
+	function countMember(m) {
+		if (membersOnly && typeof membersOnly[m] !== "boolean") {
+			warning("W036", state.tokens.curr, m);
+		}
+		if (typeof member[m] === "number") {
+			member[m] += 1;
+		} else {
+			member[m] = 1;
+		}
+	}
+
+
+	function note_implied(tkn) {
+		var name = tkn.value, line = tkn.line, a = implied[name];
+		if (typeof a === "function") {
+			a = false;
+		}
+
+		if (!a) {
+			a = [line];
+			implied[name] = a;
+		} else if (a[a.length - 1] !== line) {
+			a.push(line);
+		}
+	}
+
+
+	// Build the syntax table by declaring the syntactic elements of the language.
+
+	type("(number)", function () {
+		return this;
+	});
+
+	type("(string)", function () {
+		return this;
+	});
+
+	state.syntax["(identifier)"] = {
+		type: "(identifier)",
+		lbp: 0,
+		identifier: true,
+		nud: function () {
+			var v = this.value,
+				s = scope[v],
+				f;
+
+			if (typeof s === "function") {
+				// Protection against accidental inheritance.
+				s = undefined;
+			} else if (typeof s === "boolean") {
+				f = funct;
+				funct = functions[0];
+				addlabel(v, "var");
+				s = funct;
+				funct = f;
+			}
+			var block;
+			if (_.has(funct, "(blockscope)")) {
+				block = funct["(blockscope)"].getlabel(v);
+			}
+
+			// The name is in scope and defined in the current function.
+			if (funct === s || block) {
+				// Change 'unused' to 'var', and reject labels.
+				// the name is in a block scope
+				switch (block ? block[v]["(type)"] : funct[v]) {
+				case "unused":
+					if (block) block[v]["(type)"] = "var";
+					else funct[v] = "var";
+					break;
+				case "unction":
+					if (block) block[v]["(type)"] = "function";
+					else funct[v] = "function";
+					this["function"] = true;
+					break;
+				case "function":
+					this["function"] = true;
+					break;
+				case "label":
+					warning("W037", state.tokens.curr, v);
+					break;
+				}
+			} else if (funct["(global)"]) {
+				// The name is not defined in the function.  If we are in the global
+				// scope, then we have an undefined variable.
+				//
+				// Operators typeof and delete do not raise runtime errors even if
+				// the base object of a reference is null so no need to display warning
+				// if we're inside of typeof or delete.
+
+				if (typeof predefined[v] !== "boolean") {
+					// Attempting to subscript a null reference will throw an
+					// error, even within the typeof and delete operators
+					if (!(anonname === "typeof" || anonname === "delete") ||
+						(state.tokens.next && (state.tokens.next.value === "." ||
+							state.tokens.next.value === "["))) {
+
+						// if we're in a list comprehension, variables are declared
+						// locally and used before being defined. So we check
+						// the presence of the given variable in the comp array
+						// before declaring it undefined.
+
+						if (!funct["(comparray)"].check(v)) {
+							isundef(funct, "W117", state.tokens.curr, v);
+						}
+					}
+				}
+
+				note_implied(state.tokens.curr);
+			} else {
+				// If the name is already defined in the current
+				// function, but not as outer, then there is a scope error.
+
+				switch (funct[v]) {
+				case "closure":
+				case "function":
+				case "var":
+				case "unused":
+					warning("W038", state.tokens.curr, v);
+					break;
+				case "label":
+					warning("W037", state.tokens.curr, v);
+					break;
+				case "outer":
+				case "global":
+					break;
+				default:
+					// If the name is defined in an outer function, make an outer entry,
+					// and if it was unused, make it var.
+					if (s === true) {
+						funct[v] = true;
+					} else if (s === null) {
+						warning("W039", state.tokens.curr, v);
+						note_implied(state.tokens.curr);
+					} else if (typeof s !== "object") {
+						// Operators typeof and delete do not raise runtime errors even
+						// if the base object of a reference is null so no need to
+						//
+						// display warning if we're inside of typeof or delete.
+						// Attempting to subscript a null reference will throw an
+						// error, even within the typeof and delete operators
+						if (!(anonname === "typeof" || anonname === "delete") ||
+							(state.tokens.next &&
+								(state.tokens.next.value === "." || state.tokens.next.value === "["))) {
+
+							isundef(funct, "W117", state.tokens.curr, v);
+						}
+						funct[v] = true;
+						note_implied(state.tokens.curr);
+					} else {
+						switch (s[v]) {
+						case "function":
+						case "unction":
+							this["function"] = true;
+							s[v] = "closure";
+							funct[v] = s["(global)"] ? "global" : "outer";
+							break;
+						case "var":
+						case "unused":
+							s[v] = "closure";
+							funct[v] = s["(global)"] ? "global" : "outer";
+							break;
+						case "closure":
+							funct[v] = s["(global)"] ? "global" : "outer";
+							break;
+						case "label":
+							warning("W037", state.tokens.curr, v);
+						}
+					}
+				}
+			}
+			return this;
+		},
+		led: function () {
+			error("E033", state.tokens.next, state.tokens.next.value);
+		}
+	};
+
+	type("(regexp)", function () {
+		return this;
+	});
+
+	// ECMAScript parser
+
+	delim("(endline)");
+	delim("(begin)");
+	delim("(end)").reach = true;
+	delim("(error)").reach = true;
+	delim("}").reach = true;
+	delim(")");
+	delim("]");
+	delim("\"").reach = true;
+	delim("'").reach = true;
+	delim(";");
+	delim(":").reach = true;
+	delim("#");
+
+	reserve("else");
+	reserve("case").reach = true;
+	reserve("catch");
+	reserve("default").reach = true;
+	reserve("finally");
+	reservevar("arguments", function (x) {
+		if (state.directive["use strict"] && funct["(global)"]) {
+			warning("E008", x);
+		}
+	});
+	reservevar("eval");
+	reservevar("false");
+	reservevar("Infinity");
+	reservevar("null");
+	reservevar("this", function (x) {
+		if (state.directive["use strict"] && !state.option.validthis && ((funct["(statement)"] &&
+				funct["(name)"].charAt(0) > "Z") || funct["(global)"])) {
+			warning("W040", x);
+		}
+	});
+	reservevar("true");
+	reservevar("undefined");
+
+	assignop("=", "assign", 20);
+	assignop("+=", "assignadd", 20);
+	assignop("-=", "assignsub", 20);
+	assignop("*=", "assignmult", 20);
+	assignop("/=", "assigndiv", 20).nud = function () {
+		error("E014");
+	};
+	assignop("%=", "assignmod", 20);
+
+	bitwiseassignop("&=", "assignbitand", 20);
+	bitwiseassignop("|=", "assignbitor", 20);
+	bitwiseassignop("^=", "assignbitxor", 20);
+	bitwiseassignop("<<=", "assignshiftleft", 20);
+	bitwiseassignop(">>=", "assignshiftright", 20);
+	bitwiseassignop(">>>=", "assignshiftrightunsigned", 20);
+	infix(",", function (left, that) {
+		var expr;
+		that.exprs = [left];
+		if (!comma({peek: true})) {
+			return that;
+		}
+		while (true) {
+			if (!(expr = expression(10)))  {
+				break;
+			}
+			that.exprs.push(expr);
+			if (state.tokens.next.value !== "," || !comma()) {
+				break;
+			}
+		}
+		return that;
+	}, 10, true);
+
+	infix("?", function (left, that) {
+		increaseComplexityCount();
+		that.left = left;
+		that.right = expression(10);
+		advance(":");
+		that["else"] = expression(10);
+		return that;
+	}, 30);
+
+	var orPrecendence = 40;
+	infix("||", function (left, that) {
+		increaseComplexityCount();
+		that.left = left;
+		that.right = expression(orPrecendence);
+		return that;
+	}, orPrecendence);
+	infix("&&", "and", 50);
+	bitwise("|", "bitor", 70);
+	bitwise("^", "bitxor", 80);
+	bitwise("&", "bitand", 90);
+	relation("==", function (left, right) {
+		var eqnull = state.option.eqnull && (left.value === "null" || right.value === "null");
+
+		if (!eqnull && state.option.eqeqeq)
+			warning("W116", this, "===", "==");
+		else if (isPoorRelation(left))
+			warning("W041", this, "===", left.value);
+		else if (isPoorRelation(right))
+			warning("W041", this, "===", right.value);
+
+		return this;
+	});
+	relation("===");
+	relation("!=", function (left, right) {
+		var eqnull = state.option.eqnull &&
+				(left.value === "null" || right.value === "null");
+
+		if (!eqnull && state.option.eqeqeq) {
+			warning("W116", this, "!==", "!=");
+		} else if (isPoorRelation(left)) {
+			warning("W041", this, "!==", left.value);
+		} else if (isPoorRelation(right)) {
+			warning("W041", this, "!==", right.value);
+		}
+		return this;
+	});
+	relation("!==");
+	relation("<");
+	relation(">");
+	relation("<=");
+	relation(">=");
+	bitwise("<<", "shiftleft", 120);
+	bitwise(">>", "shiftright", 120);
+	bitwise(">>>", "shiftrightunsigned", 120);
+	infix("in", "in", 120);
+	infix("instanceof", "instanceof", 120);
+	infix("+", function (left, that) {
+		var right = expression(130);
+		if (left && right && left.id === "(string)" && right.id === "(string)") {
+			left.value += right.value;
+			left.character = right.character;
+			if (!state.option.scripturl && reg.javascriptURL.test(left.value)) {
+				warning("W050", left);
+			}
+			return left;
+		}
+		that.left = left;
+		that.right = right;
+		return that;
+	}, 130);
+	prefix("+", "num");
+	prefix("+++", function () {
+		warning("W007");
+		this.right = expression(150);
+		this.arity = "unary";
+		return this;
+	});
+	infix("+++", function (left) {
+		warning("W007");
+		this.left = left;
+		this.right = expression(130);
+		return this;
+	}, 130);
+	infix("-", "sub", 130);
+	prefix("-", "neg");
+	prefix("---", function () {
+		warning("W006");
+		this.right = expression(150);
+		this.arity = "unary";
+		return this;
+	});
+	infix("---", function (left) {
+		warning("W006");
+		this.left = left;
+		this.right = expression(130);
+		return this;
+	}, 130);
+	infix("*", "mult", 140);
+	infix("/", "div", 140);
+	infix("%", "mod", 140);
+
+	suffix("++", "postinc");
+	prefix("++", "preinc");
+	state.syntax["++"].exps = true;
+
+	suffix("--", "postdec");
+	prefix("--", "predec");
+	state.syntax["--"].exps = true;
+	prefix("delete", function () {
+		var p = expression(10);
+		if (!p || (p.id !== "." && p.id !== "[")) {
+			warning("W051");
+		}
+		this.first = p;
+		return this;
+	}).exps = true;
+
+	prefix("~", function () {
+		if (state.option.bitwise) {
+			warning("W052", this, "~");
+		}
+		expression(150);
+		return this;
+	});
+
+	prefix("...", function () {
+		if (!state.option.inESNext()) {
+			warning("W104", this, "spread/rest operator");
+		}
+		if (!state.tokens.next.identifier) {
+			error("E030", state.tokens.next, state.tokens.next.value);
+		}
+		expression(150);
+		return this;
+	});
+
+	prefix("!", function () {
+		this.right = expression(150);
+		this.arity = "unary";
+
+		if (!this.right) { // '!' followed by nothing? Give up.
+			quit("E041", this.line || 0);
+		}
+
+		if (bang[this.right.id] === true) {
+			warning("W018", this, "!");
+		}
+		return this;
+	});
+
+	prefix("typeof", "typeof");
+	prefix("new", function () {
+		var c = expression(155), i;
+		if (c && c.id !== "function") {
+			if (c.identifier) {
+				c["new"] = true;
+				switch (c.value) {
+				case "Number":
+				case "String":
+				case "Boolean":
+				case "Math":
+				case "JSON":
+					warning("W053", state.tokens.prev, c.value);
+					break;
+				case "Function":
+					if (!state.option.evil) {
+						warning("W054");
+					}
+					break;
+				case "Date":
+				case "RegExp":
+					break;
+				default:
+					if (c.id !== "function") {
+						i = c.value.substr(0, 1);
+						if (state.option.newcap && (i < "A" || i > "Z") && !_.has(global, c.value)) {
+							warning("W055", state.tokens.curr);
+						}
+					}
+				}
+			} else {
+				if (c.id !== "." && c.id !== "[" && c.id !== "(") {
+					warning("W056", state.tokens.curr);
+				}
+			}
+		} else {
+			if (!state.option.supernew)
+				warning("W057", this);
+		}
+		adjacent(state.tokens.curr, state.tokens.next);
+		if (state.tokens.next.id !== "(" && !state.option.supernew) {
+			warning("W058", state.tokens.curr, state.tokens.curr.value);
+		}
+		this.first = c;
+		return this;
+	});
+	state.syntax["new"].exps = true;
+
+	prefix("void").exps = true;
+
+	infix(".", function (left, that) {
+		adjacent(state.tokens.prev, state.tokens.curr);
+		nobreak();
+		var m = identifier(false, true);
+
+		if (typeof m === "string") {
+			countMember(m);
+		}
+
+		that.left = left;
+		that.right = m;
+
+		if (m && m === "hasOwnProperty" && state.tokens.next.value === "=") {
+			warning("W001");
+		}
+
+		if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
+			if (state.option.noarg)
+				warning("W059", left, m);
+			else if (state.directive["use strict"])
+				error("E008");
+		} else if (!state.option.evil && left && left.value === "document" &&
+				(m === "write" || m === "writeln")) {
+			warning("W060", left);
+		}
+
+		if (!state.option.evil && (m === "eval" || m === "execScript")) {
+			warning("W061");
+		}
+
+		return that;
+	}, 160, true);
+
+	infix("(", function (left, that) {
+		if (state.tokens.prev.id !== "}" && state.tokens.prev.id !== ")") {
+			nobreak(state.tokens.prev, state.tokens.curr);
+		}
+
+		nospace();
+		if (state.option.immed && left && !left.immed && left.id === "function") {
+			warning("W062");
+		}
+
+		var n = 0;
+		var p = [];
+
+		if (left) {
+			if (left.type === "(identifier)") {
+				if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
+					if ("Number String Boolean Date Object".indexOf(left.value) === -1) {
+						if (left.value === "Math") {
+							warning("W063", left);
+						} else if (state.option.newcap) {
+							warning("W064", left);
+						}
+					}
+				}
+			}
+		}
+
+		if (state.tokens.next.id !== ")") {
+			for (;;) {
+				p[p.length] = expression(10);
+				n += 1;
+				if (state.tokens.next.id !== ",") {
+					break;
+				}
+				comma();
+			}
+		}
+
+		advance(")");
+		nospace(state.tokens.prev, state.tokens.curr);
+
+		if (typeof left === "object") {
+			if (left.value === "parseInt" && n === 1) {
+				warning("W065", state.tokens.curr);
+			}
+			if (!state.option.evil) {
+				if (left.value === "eval" || left.value === "Function" ||
+						left.value === "execScript") {
+					warning("W061", left);
+
+					if (p[0] && [0].id === "(string)") {
+						addInternalSrc(left, p[0].value);
+					}
+				} else if (p[0] && p[0].id === "(string)" &&
+					   (left.value === "setTimeout" ||
+						left.value === "setInterval")) {
+					warning("W066", left);
+					addInternalSrc(left, p[0].value);
+
+				// window.setTimeout/setInterval
+				} else if (p[0] && p[0].id === "(string)" &&
+					   left.value === "." &&
+					   left.left.value === "window" &&
+					   (left.right === "setTimeout" ||
+						left.right === "setInterval")) {
+					warning("W066", left);
+					addInternalSrc(left, p[0].value);
+				}
+			}
+			if (!left.identifier && left.id !== "." && left.id !== "[" &&
+					left.id !== "(" && left.id !== "&&" && left.id !== "||" &&
+					left.id !== "?") {
+				warning("W067", left);
+			}
+		}
+
+		that.left = left;
+		return that;
+	}, 155, true).exps = true;
+
+	prefix("(", function () {
+		nospace();
+		var bracket, brackets = [];
+		var pn, pn1, i = 0;
+		var ret;
+
+		do {
+			pn = peek(i);
+			i += 1;
+			pn1 = peek(i);
+			i += 1;
+		} while (pn.value !== ")" && pn1.value !== "=>" && pn1.value !== ";" && pn1.type !== "(end)");
+
+		if (state.tokens.next.id === "function") {
+			state.tokens.next.immed = true;
+		}
+
+		var exprs = [];
+
+		if (state.tokens.next.id !== ")") {
+			for (;;) {
+				if (pn1.value === "=>" && state.tokens.next.value === "{") {
+					bracket = state.tokens.next;
+					bracket.left = destructuringExpression();
+					brackets.push(bracket);
+					for (var t in bracket.left) {
+						exprs.push(bracket.left[t].token);
+					}
+				} else {
+					exprs.push(expression(10));
+				}
+				if (state.tokens.next.id !== ",") {
+					break;
+				}
+				comma();
+			}
+		}
+
+		advance(")", this);
+		nospace(state.tokens.prev, state.tokens.curr);
+		if (state.option.immed && exprs[0] && exprs[0].id === "function") {
+			if (state.tokens.next.id !== "(" &&
+			  (state.tokens.next.id !== "." || (peek().value !== "call" && peek().value !== "apply"))) {
+				warning("W068", this);
+			}
+		}
+
+		if (state.tokens.next.value === "=>") {
+			return exprs;
+		}
+		if (!exprs.length) {
+			return;
+		}
+		if (exprs.length > 1) {
+			ret = Object.create(state.syntax[","]);
+			ret.exprs = exprs;
+		} else {
+			ret = exprs[0];
+		}
+		if (ret) {
+			ret.paren = true;
+		}
+		return ret;
+	});
+
+	application("=>");
+
+	infix("[", function (left, that) {
+		nobreak(state.tokens.prev, state.tokens.curr);
+		nospace();
+		var e = expression(10), s;
+		if (e && e.type === "(string)") {
+			if (!state.option.evil && (e.value === "eval" || e.value === "execScript")) {
+				warning("W061", that);
+			}
+
+			countMember(e.value);
+			if (!state.option.sub && reg.identifier.test(e.value)) {
+				s = state.syntax[e.value];
+				if (!s || !isReserved(s)) {
+					warning("W069", state.tokens.prev, e.value);
+				}
+			}
+		}
+		advance("]", that);
+
+		if (e && e.value === "hasOwnProperty" && state.tokens.next.value === "=") {
+			warning("W001");
+		}
+
+		nospace(state.tokens.prev, state.tokens.curr);
+		that.left = left;
+		that.right = e;
+		return that;
+	}, 160, true);
+
+	function comprehensiveArrayExpression() {
+		var res = {};
+		res.exps = true;
+		funct["(comparray)"].stack();
+
+		res.right = expression(10);
+		advance("for");
+		if (state.tokens.next.value === "each") {
+			advance("each");
+			if (!state.option.inMoz(true)) {
+				warning("W118", state.tokens.curr, "for each");
+			}
+		}
+		advance("(");
+		funct["(comparray)"].setState("define");
+		res.left = expression(10);
+		advance(")");
+		if (state.tokens.next.value === "if") {
+			advance("if");
+			advance("(");
+			funct["(comparray)"].setState("filter");
+			res.filter = expression(10);
+			advance(")");
+		}
+		advance("]");
+		funct["(comparray)"].unstack();
+		return res;
+	}
+
+	prefix("[", function () {
+		var blocktype = lookupBlockType(true);
+		if (blocktype.isCompArray) {
+			if (!state.option.inMoz(true)) {
+				warning("W118", state.tokens.curr, "array comprehension");
+			}
+			return comprehensiveArrayExpression();
+		} else if (blocktype.isDestAssign && !state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "destructuring assignment");
+		}
+		var b = state.tokens.curr.line !== state.tokens.next.line;
+		this.first = [];
+		if (b) {
+			indent += state.option.indent;
+			if (state.tokens.next.from === indent + state.option.indent) {
+				indent += state.option.indent;
+			}
+		}
+		while (state.tokens.next.id !== "(end)") {
+			while (state.tokens.next.id === ",") {
+				if (!state.option.inES5())
+					warning("W070");
+				advance(",");
+			}
+			if (state.tokens.next.id === "]") {
+				break;
+			}
+			if (b && state.tokens.curr.line !== state.tokens.next.line) {
+				indentation();
+			}
+			this.first.push(expression(10));
+			if (state.tokens.next.id === ",") {
+				comma({ allowTrailing: true });
+				if (state.tokens.next.id === "]" && !state.option.inES5(true)) {
+					warning("W070", state.tokens.curr);
+					break;
+				}
+			} else {
+				break;
+			}
+		}
+		if (b) {
+			indent -= state.option.indent;
+			indentation();
+		}
+		advance("]", this);
+		return this;
+	}, 160);
+
+
+	function property_name() {
+		var id = optionalidentifier(false, true);
+
+		if (!id) {
+			if (state.tokens.next.id === "(string)") {
+				id = state.tokens.next.value;
+				advance();
+			} else if (state.tokens.next.id === "(number)") {
+				id = state.tokens.next.value.toString();
+				advance();
+			}
+		}
+
+		if (id === "hasOwnProperty") {
+			warning("W001");
+		}
+
+		return id;
+	}
+
+
+	function functionparams(parsed) {
+		var curr, next;
+		var params = [];
+		var ident;
+		var tokens = [];
+		var t;
+		var pastDefault = false;
+
+		if (parsed) {
+			if (parsed instanceof Array) {
+				for (var i in parsed) {
+					curr = parsed[i];
+					if (_.contains(["{", "["], curr.id)) {
+						for (t in curr.left) {
+							t = tokens[t];
+							if (t.id) {
+								params.push(t.id);
+								addlabel(t.id, "unused", t.token);
+							}
+						}
+					} else if (curr.value === "...") {
+						if (!state.option.inESNext()) {
+							warning("W104", curr, "spread/rest operator");
+						}
+						continue;
+					} else {
+						addlabel(curr.value, "unused", curr);
+					}
+				}
+				return params;
+			} else {
+				if (parsed.identifier === true) {
+					addlabel(parsed.value, "unused", parsed);
+					return [parsed];
+				}
+			}
+		}
+
+		next = state.tokens.next;
+
+		advance("(");
+		nospace();
+
+		if (state.tokens.next.id === ")") {
+			advance(")");
+			return;
+		}
+
+		for (;;) {
+			if (_.contains(["{", "["], state.tokens.next.id)) {
+				tokens = destructuringExpression();
+				for (t in tokens) {
+					t = tokens[t];
+					if (t.id) {
+						params.push(t.id);
+						addlabel(t.id, "unused", t.token);
+					}
+				}
+			} else if (state.tokens.next.value === "...") {
+				if (!state.option.inESNext()) {
+					warning("W104", state.tokens.next, "spread/rest operator");
+				}
+				advance("...");
+				nospace();
+				ident = identifier(true);
+				params.push(ident);
+				addlabel(ident, "unused", state.tokens.curr);
+			} else {
+				ident = identifier(true);
+				params.push(ident);
+				addlabel(ident, "unused", state.tokens.curr);
+			}
+
+			// it is a syntax error to have a regular argument after a default argument
+			if (pastDefault) {
+				if (state.tokens.next.id !== "=") {
+					error("E051", state.tokens.current);
+				}
+			}
+			if (state.tokens.next.id === "=") {
+				if (!state.option.inESNext()) {
+					warning("W119", state.tokens.next, "default parameters");
+				}
+				advance("=");
+				pastDefault = true;
+				expression(10);
+			}
+			if (state.tokens.next.id === ",") {
+				comma();
+			} else {
+				advance(")", next);
+				nospace(state.tokens.prev, state.tokens.curr);
+				return params;
+			}
+		}
+	}
+
+
+	function doFunction(name, statement, generator, fatarrowparams) {
+		var f;
+		var oldOption = state.option;
+		var oldIgnored = state.ignored;
+		var oldScope  = scope;
+
+		state.option = Object.create(state.option);
+		state.ignored = Object.create(state.ignored);
+		scope  = Object.create(scope);
+
+		funct = {
+			"(name)"      : name || "\"" + anonname + "\"",
+			"(line)"      : state.tokens.next.line,
+			"(character)" : state.tokens.next.character,
+			"(context)"   : funct,
+			"(breakage)"  : 0,
+			"(loopage)"   : 0,
+			"(metrics)"   : createMetrics(state.tokens.next),
+			"(scope)"     : scope,
+			"(statement)" : statement,
+			"(tokens)"    : {},
+			"(blockscope)": funct["(blockscope)"],
+			"(comparray)" : funct["(comparray)"]
+		};
+
+		if (generator) {
+			funct["(generator)"] = true;
+		}
+
+		f = funct;
+		state.tokens.curr.funct = funct;
+
+		functions.push(funct);
+
+		if (name) {
+			addlabel(name, "function");
+		}
+
+		funct["(params)"] = functionparams(fatarrowparams);
+
+		funct["(metrics)"].verifyMaxParametersPerFunction(funct["(params)"]);
+
+		block(false, true, true, fatarrowparams ? true:false);
+
+		if (generator && funct["(generator)"] !== "yielded") {
+			error("E047", state.tokens.curr);
+		}
+
+		funct["(metrics)"].verifyMaxStatementsPerFunction();
+		funct["(metrics)"].verifyMaxComplexityPerFunction();
+		funct["(unusedOption)"] = state.option.unused;
+
+		scope = oldScope;
+		state.option = oldOption;
+		state.ignored = oldIgnored;
+		funct["(last)"] = state.tokens.curr.line;
+		funct["(lastcharacter)"] = state.tokens.curr.character;
+		funct = funct["(context)"];
+
+		return f;
+	}
+
+	function createMetrics(functionStartToken) {
+		return {
+			statementCount: 0,
+			nestedBlockDepth: -1,
+			ComplexityCount: 1,
+			verifyMaxStatementsPerFunction: function () {
+				if (state.option.maxstatements &&
+					this.statementCount > state.option.maxstatements) {
+					warning("W071", functionStartToken, this.statementCount);
+				}
+			},
+
+			verifyMaxParametersPerFunction: function (params) {
+				params = params || [];
+
+				if (state.option.maxparams && params.length > state.option.maxparams) {
+					warning("W072", functionStartToken, params.length);
+				}
+			},
+
+			verifyMaxNestedBlockDepthPerFunction: function () {
+				if (state.option.maxdepth &&
+					this.nestedBlockDepth > 0 &&
+					this.nestedBlockDepth === state.option.maxdepth + 1) {
+					warning("W073", null, this.nestedBlockDepth);
+				}
+			},
+
+			verifyMaxComplexityPerFunction: function () {
+				var max = state.option.maxcomplexity;
+				var cc = this.ComplexityCount;
+				if (max && cc > max) {
+					warning("W074", functionStartToken, cc);
+				}
+			}
+		};
+	}
+
+	function increaseComplexityCount() {
+		funct["(metrics)"].ComplexityCount += 1;
+	}
+
+	// Parse assignments that were found instead of conditionals.
+	// For example: if (a = 1) { ... }
+
+	function checkCondAssignment(expr) {
+		var id, paren;
+		if (expr) {
+			id = expr.id;
+			paren = expr.paren;
+			if (id === "," && (expr = expr.exprs[expr.exprs.length - 1])) {
+				id = expr.id;
+				paren = paren || expr.paren;
+			}
+		}
+		switch (id) {
+		case "=":
+		case "+=":
+		case "-=":
+		case "*=":
+		case "%=":
+		case "&=":
+		case "|=":
+		case "^=":
+		case "/=":
+			if (!paren && !state.option.boss) {
+				warning("W084");
+			}
+		}
+	}
+
+
+	(function (x) {
+		x.nud = function (isclassdef) {
+			var b, f, i, p, t, g;
+			var props = {}; // All properties, including accessors
+			var tag = "";
+
+			function saveProperty(name, tkn) {
+				if (props[name] && _.has(props, name))
+					warning("W075", state.tokens.next, i);
+				else
+					props[name] = {};
+
+				props[name].basic = true;
+				props[name].basictkn = tkn;
+			}
+
+			function saveSetter(name, tkn) {
+				if (props[name] && _.has(props, name)) {
+					if (props[name].basic || props[name].setter)
+						warning("W075", state.tokens.next, i);
+				} else {
+					props[name] = {};
+				}
+
+				props[name].setter = true;
+				props[name].setterToken = tkn;
+			}
+
+			function saveGetter(name) {
+				if (props[name] && _.has(props, name)) {
+					if (props[name].basic || props[name].getter)
+						warning("W075", state.tokens.next, i);
+				} else {
+					props[name] = {};
+				}
+
+				props[name].getter = true;
+				props[name].getterToken = state.tokens.curr;
+			}
+
+			b = state.tokens.curr.line !== state.tokens.next.line;
+			if (b) {
+				indent += state.option.indent;
+				if (state.tokens.next.from === indent + state.option.indent) {
+					indent += state.option.indent;
+				}
+			}
+
+			for (;;) {
+				if (state.tokens.next.id === "}") {
+					break;
+				}
+
+				if (b) {
+					indentation();
+				}
+
+				if (isclassdef && state.tokens.next.value === "static") {
+					advance("static");
+					tag = "static ";
+				}
+
+				if (state.tokens.next.value === "get" && peek().id !== ":") {
+					advance("get");
+
+					if (!state.option.inES5(!isclassdef)) {
+						error("E034");
+					}
+
+					i = property_name();
+					if (!i) {
+						error("E035");
+					}
+
+					// It is a Syntax Error if PropName of MethodDefinition is
+					// "constructor" and SpecialMethod of MethodDefinition is true.
+					if (isclassdef && i === "constructor") {
+						error("E049", state.tokens.next, "class getter method", i);
+					}
+
+					saveGetter(tag + i);
+					t = state.tokens.next;
+					adjacent(state.tokens.curr, state.tokens.next);
+					f = doFunction();
+					p = f["(params)"];
+
+					if (p) {
+						warning("W076", t, p[0], i);
+					}
+
+					adjacent(state.tokens.curr, state.tokens.next);
+				} else if (state.tokens.next.value === "set" && peek().id !== ":") {
+					advance("set");
+
+					if (!state.option.inES5(!isclassdef)) {
+						error("E034");
+					}
+
+					i = property_name();
+					if (!i) {
+						error("E035");
+					}
+
+					// It is a Syntax Error if PropName of MethodDefinition is
+					// "constructor" and SpecialMethod of MethodDefinition is true.
+					if (isclassdef && i === "constructor") {
+						error("E049", state.tokens.next, "class setter method", i);
+					}
+
+					saveSetter(tag + i, state.tokens.next);
+					t = state.tokens.next;
+					adjacent(state.tokens.curr, state.tokens.next);
+					f = doFunction();
+					p = f["(params)"];
+
+					if (!p || p.length !== 1) {
+						warning("W077", t, i);
+					}
+				} else {
+					g = false;
+					if (state.tokens.next.value === "*" && state.tokens.next.type === "(punctuator)") {
+						if (!state.option.inESNext()) {
+							warning("W104", state.tokens.next, "generator functions");
+						}
+						advance("*");
+						g = true;
+					}
+					i = property_name();
+					saveProperty(tag + i, state.tokens.next);
+
+					if (typeof i !== "string") {
+						break;
+					}
+
+					if (state.tokens.next.value === "(") {
+						if (!state.option.inESNext()) {
+							warning("W104", state.tokens.curr, "concise methods");
+						}
+						doFunction(i, undefined, g);
+					} else if (!isclassdef) {
+						advance(":");
+						nonadjacent(state.tokens.curr, state.tokens.next);
+						expression(10);
+					}
+				}
+				// It is a Syntax Error if PropName of MethodDefinition is "prototype".
+				if (isclassdef && i === "prototype") {
+					error("E049", state.tokens.next, "class method", i);
+				}
+
+				countMember(i);
+				if (isclassdef) {
+					tag = "";
+					continue;
+				}
+				if (state.tokens.next.id === ",") {
+					comma({ allowTrailing: true, property: true });
+					if (state.tokens.next.id === ",") {
+						warning("W070", state.tokens.curr);
+					} else if (state.tokens.next.id === "}" && !state.option.inES5(true)) {
+						warning("W070", state.tokens.curr);
+					}
+				} else {
+					break;
+				}
+			}
+			if (b) {
+				indent -= state.option.indent;
+				indentation();
+			}
+			advance("}", this);
+
+			// Check for lonely setters if in the ES5 mode.
+			if (state.option.inES5()) {
+				for (var name in props) {
+					if (_.has(props, name) && props[name].setter && !props[name].getter) {
+						warning("W078", props[name].setterToken);
+					}
+				}
+			}
+			return this;
+		};
+		x.fud = function () {
+			error("E036", state.tokens.curr);
+		};
+	}(delim("{")));
+
+	function destructuringExpression() {
+		var id, ids;
+		var identifiers = [];
+		if (!state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "destructuring expression");
+		}
+		var nextInnerDE = function () {
+			var ident;
+			if (_.contains(["[", "{"], state.tokens.next.value)) {
+				ids = destructuringExpression();
+				for (var id in ids) {
+					id = ids[id];
+					identifiers.push({ id: id.id, token: id.token });
+				}
+			} else if (state.tokens.next.value === ",") {
+				identifiers.push({ id: null, token: state.tokens.curr });
+			} else {
+				ident = identifier();
+				if (ident)
+					identifiers.push({ id: ident, token: state.tokens.curr });
+			}
+		};
+		if (state.tokens.next.value === "[") {
+			advance("[");
+			nextInnerDE();
+			while (state.tokens.next.value !== "]") {
+				advance(",");
+				nextInnerDE();
+			}
+			advance("]");
+		} else if (state.tokens.next.value === "{") {
+			advance("{");
+			id = identifier();
+			if (state.tokens.next.value === ":") {
+				advance(":");
+				nextInnerDE();
+			} else {
+				identifiers.push({ id: id, token: state.tokens.curr });
+			}
+			while (state.tokens.next.value !== "}") {
+				advance(",");
+				id = identifier();
+				if (state.tokens.next.value === ":") {
+					advance(":");
+					nextInnerDE();
+				} else {
+					identifiers.push({ id: id, token: state.tokens.curr });
+				}
+			}
+			advance("}");
+		}
+		return identifiers;
+	}
+	function destructuringExpressionMatch(tokens, value) {
+		if (value.first) {
+			_.zip(tokens, value.first).forEach(function (val) {
+				var token = val[0];
+				var value = val[1];
+				if (token && value) {
+					token.first = value;
+				} else if (token && token.first && !value) {
+					warning("W080", token.first, token.first.value);
+				} /* else {
+					XXX value is discarded: wouldn't it need a warning ?
+				} */
+			});
+		}
+	}
+
+	var conststatement = stmt("const", function (prefix) {
+		var tokens, value;
+		// state variable to know if it is a lone identifier, or a destructuring statement.
+		var lone;
+
+		if (!state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "const");
+		}
+
+		this.first = [];
+		for (;;) {
+			var names = [];
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			if (_.contains(["{", "["], state.tokens.next.value)) {
+				tokens = destructuringExpression();
+				lone = false;
+			} else {
+				tokens = [ { id: identifier(), token: state.tokens.curr } ];
+				lone = true;
+			}
+			for (var t in tokens) {
+				t = tokens[t];
+				if (funct[t.id] === "const") {
+					warning("E011", null, t.id);
+				}
+				if (funct["(global)"] && predefined[t.id] === false) {
+					warning("W079", t.token, t.id);
+				}
+				if (t.id) {
+					addlabel(t.id, "const");
+					names.push(t.token);
+				}
+			}
+			if (prefix) {
+				break;
+			}
+
+			this.first = this.first.concat(names);
+
+			if (state.tokens.next.id !== "=") {
+				warning("E012", state.tokens.curr, state.tokens.curr.value);
+			}
+
+			if (state.tokens.next.id === "=") {
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				advance("=");
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				if (state.tokens.next.id === "undefined") {
+					warning("W080", state.tokens.prev, state.tokens.prev.value);
+				}
+				if (peek(0).id === "=" && state.tokens.next.identifier) {
+					warning("W120", state.tokens.next, state.tokens.next.value);
+				}
+				value = expression(10);
+				if (lone) {
+					tokens[0].first = value;
+				} else {
+					destructuringExpressionMatch(names, value);
+				}
+			}
+
+			if (state.tokens.next.id !== ",") {
+				break;
+			}
+			comma();
+		}
+		return this;
+	});
+	conststatement.exps = true;
+	var varstatement = stmt("var", function (prefix) {
+		// JavaScript does not have block scope. It only has function scope. So,
+		// declaring a variable in a block can have unexpected consequences.
+		var tokens, lone, value;
+
+		if (funct["(onevar)"] && state.option.onevar) {
+			warning("W081");
+		} else if (!funct["(global)"]) {
+			funct["(onevar)"] = true;
+		}
+
+		this.first = [];
+		for (;;) {
+			var names = [];
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			if (_.contains(["{", "["], state.tokens.next.value)) {
+				tokens = destructuringExpression();
+				lone = false;
+			} else {
+				tokens = [ { id: identifier(), token: state.tokens.curr } ];
+				lone = true;
+			}
+			for (var t in tokens) {
+				t = tokens[t];
+				if (state.option.inESNext() && funct[t.id] === "const") {
+					warning("E011", null, t.id);
+				}
+				if (funct["(global)"] && predefined[t.id] === false) {
+					warning("W079", t.token, t.id);
+				}
+				if (t.id) {
+					addlabel(t.id, "unused", t.token);
+					names.push(t.token);
+				}
+			}
+			if (prefix) {
+				break;
+			}
+
+			this.first = this.first.concat(names);
+
+			if (state.tokens.next.id === "=") {
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				advance("=");
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				if (state.tokens.next.id === "undefined") {
+					warning("W080", state.tokens.prev, state.tokens.prev.value);
+				}
+				if (peek(0).id === "=" && state.tokens.next.identifier) {
+					warning("W120", state.tokens.next, state.tokens.next.value);
+				}
+				value = expression(10);
+				if (lone) {
+					tokens[0].first = value;
+				} else {
+					destructuringExpressionMatch(names, value);
+				}
+			}
+
+			if (state.tokens.next.id !== ",") {
+				break;
+			}
+			comma();
+		}
+		return this;
+	});
+	varstatement.exps = true;
+	var letstatement = stmt("let", function (prefix) {
+		var tokens, lone, value, letblock;
+
+		if (!state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "let");
+		}
+
+		if (state.tokens.next.value === "(") {
+			if (!state.option.inMoz(true)) {
+				warning("W118", state.tokens.next, "let block");
+			}
+			advance("(");
+			funct["(blockscope)"].stack();
+			letblock = true;
+		} else if (funct["(nolet)"]) {
+			error("E048", state.tokens.curr);
+		}
+
+		if (funct["(onevar)"] && state.option.onevar) {
+			warning("W081");
+		} else if (!funct["(global)"]) {
+			funct["(onevar)"] = true;
+		}
+
+		this.first = [];
+		for (;;) {
+			var names = [];
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			if (_.contains(["{", "["], state.tokens.next.value)) {
+				tokens = destructuringExpression();
+				lone = false;
+			} else {
+				tokens = [ { id: identifier(), token: state.tokens.curr.value } ];
+				lone = true;
+			}
+			for (var t in tokens) {
+				t = tokens[t];
+				if (state.option.inESNext() && funct[t.id] === "const") {
+					warning("E011", null, t.id);
+				}
+				if (funct["(global)"] && predefined[t.id] === false) {
+					warning("W079", t.token, t.id);
+				}
+				if (t.id && !funct["(nolet)"]) {
+					addlabel(t.id, "unused", t.token, true);
+					names.push(t.token);
+				}
+			}
+			if (prefix) {
+				break;
+			}
+
+			this.first = this.first.concat(names);
+
+			if (state.tokens.next.id === "=") {
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				advance("=");
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				if (state.tokens.next.id === "undefined") {
+					warning("W080", state.tokens.prev, state.tokens.prev.value);
+				}
+				if (peek(0).id === "=" && state.tokens.next.identifier) {
+					warning("W120", state.tokens.next, state.tokens.next.value);
+				}
+				value = expression(10);
+				if (lone) {
+					tokens[0].first = value;
+				} else {
+					destructuringExpressionMatch(names, value);
+				}
+			}
+
+			if (state.tokens.next.id !== ",") {
+				break;
+			}
+			comma();
+		}
+		if (letblock) {
+			advance(")");
+			block(true, true);
+			this.block = true;
+			funct["(blockscope)"].unstack();
+		}
+
+		return this;
+	});
+	letstatement.exps = true;
+
+	blockstmt("class", function () {
+		return classdef.call(this, true);
+	});
+
+	function classdef(stmt) {
+		/*jshint validthis:true */
+		if (!state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "class");
+		}
+		if (stmt) {
+			// BindingIdentifier
+			this.name = identifier();
+			addlabel(this.name, "unused", state.tokens.curr);
+		} else if (state.tokens.next.identifier && state.tokens.next.value !== "extends") {
+			// BindingIdentifier(opt)
+			this.name = identifier();
+		}
+		classtail(this);
+		return this;
+	}
+
+	function classtail(c) {
+		var strictness = state.directive["use strict"];
+
+		// ClassHeritage(opt)
+		if (state.tokens.next.value === "extends") {
+			advance("extends");
+			c.heritage = expression(10);
+		}
+
+		// A ClassBody is always strict code.
+		state.directive["use strict"] = true;
+		advance("{");
+		// ClassBody(opt)
+		c.body = state.syntax["{"].nud(true);
+		state.directive["use strict"] = strictness;
+	}
+
+	blockstmt("function", function () {
+		var generator = false;
+		if (state.tokens.next.value === "*") {
+			advance("*");
+			if (state.option.inESNext(true)) {
+				generator = true;
+			} else {
+				warning("W119", state.tokens.curr, "function*");
+			}
+		}
+		if (inblock) {
+			warning("W082", state.tokens.curr);
+
+		}
+		var i = identifier();
+		if (funct[i] === "const") {
+			warning("E011", null, i);
+		}
+		adjacent(state.tokens.curr, state.tokens.next);
+		addlabel(i, "unction", state.tokens.curr);
+
+		doFunction(i, { statement: true }, generator);
+		if (state.tokens.next.id === "(" && state.tokens.next.line === state.tokens.curr.line) {
+			error("E039");
+		}
+		return this;
+	});
+
+	prefix("function", function () {
+		var generator = false;
+		if (state.tokens.next.value === "*") {
+			if (!state.option.inESNext()) {
+				warning("W119", state.tokens.curr, "function*");
+			}
+			advance("*");
+			generator = true;
+		}
+		var i = optionalidentifier();
+		if (i || state.option.gcl) {
+			adjacent(state.tokens.curr, state.tokens.next);
+		} else {
+			nonadjacent(state.tokens.curr, state.tokens.next);
+		}
+		doFunction(i, undefined, generator);
+		if (!state.option.loopfunc && funct["(loopage)"]) {
+			warning("W083");
+		}
+		return this;
+	});
+
+	blockstmt("if", function () {
+		var t = state.tokens.next;
+		increaseComplexityCount();
+		state.condition = true;
+		advance("(");
+		nonadjacent(this, t);
+		nospace();
+		checkCondAssignment(expression(0));
+		advance(")", t);
+		state.condition = false;
+		nospace(state.tokens.prev, state.tokens.curr);
+		block(true, true);
+		if (state.tokens.next.id === "else") {
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			advance("else");
+			if (state.tokens.next.id === "if" || state.tokens.next.id === "switch") {
+				statement(true);
+			} else {
+				block(true, true);
+			}
+		}
+		return this;
+	});
+
+	blockstmt("try", function () {
+		var b;
+
+		function doCatch() {
+			var oldScope = scope;
+			var e;
+
+			advance("catch");
+			nonadjacent(state.tokens.curr, state.tokens.next);
+			advance("(");
+
+			scope = Object.create(oldScope);
+
+			e = state.tokens.next.value;
+			if (state.tokens.next.type !== "(identifier)") {
+				e = null;
+				warning("E030", state.tokens.next, e);
+			}
+
+			advance();
+
+			funct = {
+				"(name)"     : "(catch)",
+				"(line)"     : state.tokens.next.line,
+				"(character)": state.tokens.next.character,
+				"(context)"  : funct,
+				"(breakage)" : funct["(breakage)"],
+				"(loopage)"  : funct["(loopage)"],
+				"(scope)"    : scope,
+				"(statement)": false,
+				"(metrics)"  : createMetrics(state.tokens.next),
+				"(catch)"    : true,
+				"(tokens)"   : {},
+				"(blockscope)": funct["(blockscope)"],
+				"(comparray)": funct["(comparray)"]
+			};
+
+			if (e) {
+				addlabel(e, "exception");
+			}
+
+			if (state.tokens.next.value === "if") {
+				if (!state.option.inMoz(true)) {
+					warning("W118", state.tokens.curr, "catch filter");
+				}
+				advance("if");
+				expression(0);
+			}
+
+			advance(")");
+
+			state.tokens.curr.funct = funct;
+			functions.push(funct);
+
+			block(false);
+
+			scope = oldScope;
+
+			funct["(last)"] = state.tokens.curr.line;
+			funct["(lastcharacter)"] = state.tokens.curr.character;
+			funct = funct["(context)"];
+		}
+
+		block(false);
+
+		while (state.tokens.next.id === "catch") {
+			increaseComplexityCount();
+			if (b && (!state.option.inMoz(true))) {
+				warning("W118", state.tokens.next, "multiple catch blocks");
+			}
+			doCatch();
+			b = true;
+		}
+
+		if (state.tokens.next.id === "finally") {
+			advance("finally");
+			block(false);
+			return;
+		}
+
+		if (!b) {
+			error("E021", state.tokens.next, "catch", state.tokens.next.value);
+		}
+
+		return this;
+	});
+
+	blockstmt("while", function () {
+		var t = state.tokens.next;
+		funct["(breakage)"] += 1;
+		funct["(loopage)"] += 1;
+		increaseComplexityCount();
+		advance("(");
+		nonadjacent(this, t);
+		nospace();
+		checkCondAssignment(expression(0));
+		advance(")", t);
+		nospace(state.tokens.prev, state.tokens.curr);
+		block(true, true);
+		funct["(breakage)"] -= 1;
+		funct["(loopage)"] -= 1;
+		return this;
+	}).labelled = true;
+
+	blockstmt("with", function () {
+		var t = state.tokens.next;
+		if (state.directive["use strict"]) {
+			error("E010", state.tokens.curr);
+		} else if (!state.option.withstmt) {
+			warning("W085", state.tokens.curr);
+		}
+
+		advance("(");
+		nonadjacent(this, t);
+		nospace();
+		expression(0);
+		advance(")", t);
+		nospace(state.tokens.prev, state.tokens.curr);
+		block(true, true);
+
+		return this;
+	});
+
+	blockstmt("switch", function () {
+		var t = state.tokens.next,
+			g = false;
+		funct["(breakage)"] += 1;
+		advance("(");
+		nonadjacent(this, t);
+		nospace();
+		checkCondAssignment(expression(0));
+		advance(")", t);
+		nospace(state.tokens.prev, state.tokens.curr);
+		nonadjacent(state.tokens.curr, state.tokens.next);
+		t = state.tokens.next;
+		advance("{");
+		nonadjacent(state.tokens.curr, state.tokens.next);
+		indent += state.option.indent;
+		this.cases = [];
+
+		for (;;) {
+			switch (state.tokens.next.id) {
+			case "case":
+				switch (funct["(verb)"]) {
+				case "yield":
+				case "break":
+				case "case":
+				case "continue":
+				case "return":
+				case "switch":
+				case "throw":
+					break;
+				default:
+					// You can tell JSHint that you don't use break intentionally by
+					// adding a comment /* falls through */ on a line just before
+					// the next `case`.
+					if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
+						warning("W086", state.tokens.curr, "case");
+					}
+				}
+				indentation(-state.option.indent);
+				advance("case");
+				this.cases.push(expression(20));
+				increaseComplexityCount();
+				g = true;
+				advance(":");
+				funct["(verb)"] = "case";
+				break;
+			case "default":
+				switch (funct["(verb)"]) {
+				case "yield":
+				case "break":
+				case "continue":
+				case "return":
+				case "throw":
+					break;
+				default:
+					// Do not display a warning if 'default' is the first statement or if
+					// there is a special /* falls through */ comment.
+					if (this.cases.length) {
+						if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
+							warning("W086", state.tokens.curr, "default");
+						}
+					}
+				}
+				indentation(-state.option.indent);
+				advance("default");
+				g = true;
+				advance(":");
+				break;
+			case "}":
+				indent -= state.option.indent;
+				indentation();
+				advance("}", t);
+				funct["(breakage)"] -= 1;
+				funct["(verb)"] = undefined;
+				return;
+			case "(end)":
+				error("E023", state.tokens.next, "}");
+				return;
+			default:
+				if (g) {
+					switch (state.tokens.curr.id) {
+					case ",":
+						error("E040");
+						return;
+					case ":":
+						g = false;
+						statements();
+						break;
+					default:
+						error("E025", state.tokens.curr);
+						return;
+					}
+				} else {
+					if (state.tokens.curr.id === ":") {
+						advance(":");
+						error("E024", state.tokens.curr, ":");
+						statements();
+					} else {
+						error("E021", state.tokens.next, "case", state.tokens.next.value);
+						return;
+					}
+				}
+			}
+		}
+	}).labelled = true;
+
+	stmt("debugger", function () {
+		if (!state.option.debug) {
+			warning("W087");
+		}
+		return this;
+	}).exps = true;
+
+	(function () {
+		var x = stmt("do", function () {
+			funct["(breakage)"] += 1;
+			funct["(loopage)"] += 1;
+			increaseComplexityCount();
+
+			this.first = block(true, true);
+			advance("while");
+			var t = state.tokens.next;
+			nonadjacent(state.tokens.curr, t);
+			advance("(");
+			nospace();
+			checkCondAssignment(expression(0));
+			advance(")", t);
+			nospace(state.tokens.prev, state.tokens.curr);
+			funct["(breakage)"] -= 1;
+			funct["(loopage)"] -= 1;
+			return this;
+		});
+		x.labelled = true;
+		x.exps = true;
+	}());
+
+	blockstmt("for", function () {
+		var s, t = state.tokens.next;
+		var letscope = false;
+		var foreachtok = null;
+
+		if (t.value === "each") {
+			foreachtok = t;
+			advance("each");
+			if (!state.option.inMoz(true)) {
+				warning("W118", state.tokens.curr, "for each");
+			}
+		}
+
+		funct["(breakage)"] += 1;
+		funct["(loopage)"] += 1;
+		increaseComplexityCount();
+		advance("(");
+		nonadjacent(this, t);
+		nospace();
+
+		// what kind of for(…) statement it is? for(…of…)? for(…in…)? for(…;…;…)?
+		var nextop; // contains the token of the "in" or "of" operator
+		var i = 0;
+		var inof = ["in", "of"];
+		do {
+			nextop = peek(i);
+			++i;
+		} while (!_.contains(inof, nextop.value) && nextop.value !== ";" &&
+					nextop.type !== "(end)");
+
+		// if we're in a for (… in|of …) statement
+		if (_.contains(inof, nextop.value)) {
+			if (!state.option.inESNext() && nextop.value === "of") {
+				error("W104", nextop, "for of");
+			}
+			if (state.tokens.next.id === "var") {
+				advance("var");
+				state.syntax["var"].fud.call(state.syntax["var"].fud, true);
+			} else if (state.tokens.next.id === "let") {
+				advance("let");
+				// create a new block scope
+				letscope = true;
+				funct["(blockscope)"].stack();
+				state.syntax["let"].fud.call(state.syntax["let"].fud, true);
+			} else {
+				switch (funct[state.tokens.next.value]) {
+				case "unused":
+					funct[state.tokens.next.value] = "var";
+					break;
+				case "var":
+					break;
+				default:
+					if (!funct["(blockscope)"].getlabel(state.tokens.next.value))
+						warning("W088", state.tokens.next, state.tokens.next.value);
+				}
+				advance();
+			}
+			advance(nextop.value);
+			expression(20);
+			advance(")", t);
+			s = block(true, true);
+			if (state.option.forin && s && (s.length > 1 || typeof s[0] !== "object" ||
+					s[0].value !== "if")) {
+				warning("W089", this);
+			}
+			funct["(breakage)"] -= 1;
+			funct["(loopage)"] -= 1;
+		} else {
+			if (foreachtok) {
+				error("E045", foreachtok);
+			}
+			if (state.tokens.next.id !== ";") {
+				if (state.tokens.next.id === "var") {
+					advance("var");
+					state.syntax["var"].fud.call(state.syntax["var"].fud);
+				} else if (state.tokens.next.id === "let") {
+					advance("let");
+					// create a new block scope
+					letscope = true;
+					funct["(blockscope)"].stack();
+					state.syntax["let"].fud.call(state.syntax["let"].fud);
+				} else {
+					for (;;) {
+						expression(0, "for");
+						if (state.tokens.next.id !== ",") {
+							break;
+						}
+						comma();
+					}
+				}
+			}
+			nolinebreak(state.tokens.curr);
+			advance(";");
+			if (state.tokens.next.id !== ";") {
+				checkCondAssignment(expression(0));
+			}
+			nolinebreak(state.tokens.curr);
+			advance(";");
+			if (state.tokens.next.id === ";") {
+				error("E021", state.tokens.next, ")", ";");
+			}
+			if (state.tokens.next.id !== ")") {
+				for (;;) {
+					expression(0, "for");
+					if (state.tokens.next.id !== ",") {
+						break;
+					}
+					comma();
+				}
+			}
+			advance(")", t);
+			nospace(state.tokens.prev, state.tokens.curr);
+			block(true, true);
+			funct["(breakage)"] -= 1;
+			funct["(loopage)"] -= 1;
+
+		}
+		// unstack loop blockscope
+		if (letscope) {
+			funct["(blockscope)"].unstack();
+		}
+		return this;
+	}).labelled = true;
+
+
+	stmt("break", function () {
+		var v = state.tokens.next.value;
+
+		if (funct["(breakage)"] === 0)
+			warning("W052", state.tokens.next, this.value);
+
+		if (!state.option.asi)
+			nolinebreak(this);
+
+		if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+			if (state.tokens.curr.line === state.tokens.next.line) {
+				if (funct[v] !== "label") {
+					warning("W090", state.tokens.next, v);
+				} else if (scope[v] !== funct) {
+					warning("W091", state.tokens.next, v);
+				}
+				this.first = state.tokens.next;
+				advance();
+			}
+		}
+		reachable("break");
+		return this;
+	}).exps = true;
+
+
+	stmt("continue", function () {
+		var v = state.tokens.next.value;
+
+		if (funct["(breakage)"] === 0)
+			warning("W052", state.tokens.next, this.value);
+
+		if (!state.option.asi)
+			nolinebreak(this);
+
+		if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+			if (state.tokens.curr.line === state.tokens.next.line) {
+				if (funct[v] !== "label") {
+					warning("W090", state.tokens.next, v);
+				} else if (scope[v] !== funct) {
+					warning("W091", state.tokens.next, v);
+				}
+				this.first = state.tokens.next;
+				advance();
+			}
+		} else if (!funct["(loopage)"]) {
+			warning("W052", state.tokens.next, this.value);
+		}
+		reachable("continue");
+		return this;
+	}).exps = true;
+
+
+	stmt("return", function () {
+		if (this.line === state.tokens.next.line) {
+			if (state.tokens.next.id === "(regexp)")
+				warning("W092");
+
+			if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
+				nonadjacent(state.tokens.curr, state.tokens.next);
+				this.first = expression(0);
+
+				if (this.first &&
+						this.first.type === "(punctuator)" && this.first.value === "=" && !state.option.boss) {
+					warningAt("W093", this.first.line, this.first.character);
+				}
+			}
+		} else {
+			if (state.tokens.next.type === "(punctuator)" &&
+				["[", "{", "+", "-"].indexOf(state.tokens.next.value) > -1) {
+				nolinebreak(this); // always warn (Line breaking error)
+			}
+		}
+		reachable("return");
+		return this;
+	}).exps = true;
+
+	(function (x) {
+		x.exps = true;
+		x.lbp = 25;
+	}(prefix("yield", function () {
+		var prev = state.tokens.prev;
+		if (state.option.inESNext(true) && !funct["(generator)"]) {
+			error("E046", state.tokens.curr, "yield");
+		} else if (!state.option.inESNext()) {
+			warning("W104", state.tokens.curr, "yield");
+		}
+		funct["(generator)"] = "yielded";
+		if (this.line === state.tokens.next.line || !state.option.inMoz(true)) {
+			if (state.tokens.next.id === "(regexp)")
+				warning("W092");
+
+			if (state.tokens.next.id !== ";" && !state.tokens.next.reach && state.tokens.next.nud) {
+				nobreaknonadjacent(state.tokens.curr, state.tokens.next);
+				this.first = expression(10);
+
+				if (this.first.type === "(punctuator)" && this.first.value === "=" && !state.option.boss) {
+					warningAt("W093", this.first.line, this.first.character);
+				}
+			}
+
+			if (state.option.inMoz(true) && state.tokens.next.id !== ")" &&
+					(prev.lbp > 30 || (!prev.assign && !isEndOfExpr()) || prev.id === "yield")) {
+				error("E050", this);
+			}
+		} else if (!state.option.asi) {
+			nolinebreak(this); // always warn (Line breaking error)
+		}
+		return this;
+	})));
+
+
+	stmt("throw", function () {
+		nolinebreak(this);
+		nonadjacent(state.tokens.curr, state.tokens.next);
+		this.first = expression(20);
+		reachable("throw");
+		return this;
+	}).exps = true;
+
+	stmt("import", function () {
+		if (!state.option.inESNext()) {
+			warning("W119", state.tokens.curr, "import");
+		}
+
+		if (state.tokens.next.identifier) {
+			this.name = identifier();
+			addlabel(this.name, "unused", state.tokens.curr);
+		} else {
+			advance("{");
+			for (;;) {
+				var importName;
+				if (state.tokens.next.type === "default") {
+					importName = "default";
+					advance("default");
+				} else {
+					importName = identifier();
+				}
+				if (state.tokens.next.value === "as") {
+					advance("as");
+					importName = identifier();
+				}
+				addlabel(importName, "unused", state.tokens.curr);
+
+				if (state.tokens.next.value === ",") {
+					advance(",");
+				} else if (state.tokens.next.value === "}") {
+					advance("}");
+					break;
+				} else {
+					error("E024", state.tokens.next, state.tokens.next.value);
+					break;
+				}
+			}
+		}
+
+		advance("from");
+		advance("(string)");
+		return this;
+	}).exps = true;
+
+	stmt("export", function () {
+		if (!state.option.inESNext()) {
+			warning("W119", state.tokens.curr, "export");
+		}
+
+		if (state.tokens.next.type === "default") {
+			advance("default");
+			if (state.tokens.next.id === "function" || state.tokens.next.id === "class") {
+				this.block = true;
+			}
+			this.exportee = expression(10);
+
+			return this;
+		}
+
+		if (state.tokens.next.value === "{") {
+			advance("{");
+			for (;;) {
+				identifier();
+
+				if (state.tokens.next.value === ",") {
+					advance(",");
+				} else if (state.tokens.next.value === "}") {
+					advance("}");
+					break;
+				} else {
+					error("E024", state.tokens.next, state.tokens.next.value);
+					break;
+				}
+			}
+			return this;
+		}
+
+		if (state.tokens.next.id === "var") {
+			advance("var");
+			state.syntax["var"].fud.call(state.syntax["var"].fud);
+		} else if (state.tokens.next.id === "let") {
+			advance("let");
+			state.syntax["let"].fud.call(state.syntax["let"].fud);
+		} else if (state.tokens.next.id === "const") {
+			advance("const");
+			state.syntax["const"].fud.call(state.syntax["const"].fud);
+		} else if (state.tokens.next.id === "function") {
+			this.block = true;
+			advance("function");
+			state.syntax["function"].fud();
+		} else if (state.tokens.next.id === "class") {
+			this.block = true;
+			advance("class");
+			state.syntax["class"].fud();
+		} else {
+			error("E024", state.tokens.next, state.tokens.next.value);
+		}
+
+		return this;
+	}).exps = true;
+
+	// Future Reserved Words
+
+	FutureReservedWord("abstract");
+	FutureReservedWord("boolean");
+	FutureReservedWord("byte");
+	FutureReservedWord("char");
+	FutureReservedWord("class", { es5: true, nud: classdef });
+	FutureReservedWord("double");
+	FutureReservedWord("enum", { es5: true });
+	FutureReservedWord("export", { es5: true });
+	FutureReservedWord("extends", { es5: true });
+	FutureReservedWord("final");
+	FutureReservedWord("float");
+	FutureReservedWord("goto");
+	FutureReservedWord("implements", { es5: true, strictOnly: true });
+	FutureReservedWord("import", { es5: true });
+	FutureReservedWord("int");
+	FutureReservedWord("interface", { es5: true, strictOnly: true });
+	FutureReservedWord("long");
+	FutureReservedWord("native");
+	FutureReservedWord("package", { es5: true, strictOnly: true });
+	FutureReservedWord("private", { es5: true, strictOnly: true });
+	FutureReservedWord("protected", { es5: true, strictOnly: true });
+	FutureReservedWord("public", { es5: true, strictOnly: true });
+	FutureReservedWord("short");
+	FutureReservedWord("static", { es5: true, strictOnly: true });
+	FutureReservedWord("super", { es5: true });
+	FutureReservedWord("synchronized");
+	FutureReservedWord("throws");
+	FutureReservedWord("transient");
+	FutureReservedWord("volatile");
+
+	// this function is used to determine wether a squarebracket or a curlybracket
+	// expression is a comprehension array, destructuring assignment or a json value.
+
+	var lookupBlockType = function () {
+		var pn, pn1;
+		var i = 0;
+		var bracketStack = 0;
+		var ret = {};
+		if (_.contains(["[", "{"], state.tokens.curr.value))
+			bracketStack += 1;
+		if (_.contains(["[", "{"], state.tokens.next.value))
+			bracketStack += 1;
+		if (_.contains(["]", "}"], state.tokens.next.value))
+			bracketStack -= 1;
+		do {
+			pn = peek(i);
+			pn1 = peek(i + 1);
+			i = i + 1;
+			if (_.contains(["[", "{"], pn.value)) {
+				bracketStack += 1;
+			} else if (_.contains(["]", "}"], pn.value)) {
+				bracketStack -= 1;
+			}
+			if (pn.identifier && pn.value === "for" && bracketStack === 1) {
+				ret.isCompArray = true;
+				ret.notJson = true;
+				break;
+			}
+			if (_.contains(["}", "]"], pn.value) && pn1.value === "=") {
+				ret.isDestAssign = true;
+				ret.notJson = true;
+				break;
+			}
+			if (pn.value === ";") {
+				ret.isBlock = true;
+				ret.notJson = true;
+			}
+		} while (bracketStack > 0 && pn.id !== "(end)" && i < 15);
+		return ret;
+	};
+
+	// Check whether this function has been reached for a destructuring assign with undeclared values
+	function destructuringAssignOrJsonValue() {
+		// lookup for the assignment (esnext only)
+		// if it has semicolons, it is a block, so go parse it as a block
+		// or it's not a block, but there are assignments, check for undeclared variables
+
+		var block = lookupBlockType();
+		if (block.notJson) {
+			if (!state.option.inESNext() && block.isDestAssign) {
+				warning("W104", state.tokens.curr, "destructuring assignment");
+			}
+			statements();
+		// otherwise parse json value
+		} else {
+			state.option.laxbreak = true;
+			state.jsonMode = true;
+			jsonValue();
+		}
+	}
+
+	// array comprehension parsing function
+	// parses and defines the three states of the list comprehension in order
+	// to avoid defining global variables, but keeping them to the list comprehension scope
+	// only. The order of the states are as follows:
+	//  * "use" which will be the returned iterative part of the list comprehension
+	//  * "define" which will define the variables local to the list comprehension
+	//  * "filter" which will help filter out values
+
+	var arrayComprehension = function () {
+		var CompArray = function () {
+			this.mode = "use";
+			this.variables = [];
+		};
+		var _carrays = [];
+		var _current;
+		function declare(v) {
+			var l = _current.variables.filter(function (elt) {
+				// if it has, change its undef state
+				if (elt.value === v) {
+					elt.undef = false;
+					return v;
+				}
+			}).length;
+			return l !== 0;
+		}
+		function use(v) {
+			var l = _current.variables.filter(function (elt) {
+				// and if it has been defined
+				if (elt.value === v && !elt.undef) {
+					if (elt.unused === true) {
+						elt.unused = false;
+					}
+					return v;
+				}
+			}).length;
+			// otherwise we warn about it
+			return (l === 0);
+		}
+		return {stack: function () {
+					_current = new CompArray();
+					_carrays.push(_current);
+				},
+				unstack: function () {
+					_current.variables.filter(function (v) {
+						if (v.unused)
+							warning("W098", v.token, v.value);
+						if (v.undef)
+							isundef(v.funct, "W117", v.token, v.value);
+					});
+					_carrays.splice(_carrays[_carrays.length - 1], 1);
+					_current = _carrays[_carrays.length - 1];
+				},
+				setState: function (s) {
+					if (_.contains(["use", "define", "filter"], s))
+						_current.mode = s;
+				},
+				check: function (v) {
+					// When we are in "use" state of the list comp, we enqueue that var
+					if (_current && _current.mode === "use") {
+						_current.variables.push({funct: funct,
+													token: state.tokens.curr,
+													value: v,
+													undef: true,
+													unused: false});
+						return true;
+					// When we are in "define" state of the list comp,
+					} else if (_current && _current.mode === "define") {
+						// check if the variable has been used previously
+						if (!declare(v)) {
+							_current.variables.push({funct: funct,
+														token: state.tokens.curr,
+														value: v,
+														undef: false,
+														unused: true});
+						}
+						return true;
+					// When we are in "filter" state,
+					} else if (_current && _current.mode === "filter") {
+						// we check whether current variable has been declared
+						if (use(v)) {
+							// if not we warn about it
+							isundef(funct, "W117", state.tokens.curr, v);
+						}
+						return true;
+					}
+					return false;
+				}
+				};
+	};
+
+
+	// Parse JSON
+
+	function jsonValue() {
+
+		function jsonObject() {
+			var o = {}, t = state.tokens.next;
+			advance("{");
+			if (state.tokens.next.id !== "}") {
+				for (;;) {
+					if (state.tokens.next.id === "(end)") {
+						error("E026", state.tokens.next, t.line);
+					} else if (state.tokens.next.id === "}") {
+						warning("W094", state.tokens.curr);
+						break;
+					} else if (state.tokens.next.id === ",") {
+						error("E028", state.tokens.next);
+					} else if (state.tokens.next.id !== "(string)") {
+						warning("W095", state.tokens.next, state.tokens.next.value);
+					}
+					if (o[state.tokens.next.value] === true) {
+						warning("W075", state.tokens.next, state.tokens.next.value);
+					} else if ((state.tokens.next.value === "__proto__" &&
+						!state.option.proto) || (state.tokens.next.value === "__iterator__" &&
+						!state.option.iterator)) {
+						warning("W096", state.tokens.next, state.tokens.next.value);
+					} else {
+						o[state.tokens.next.value] = true;
+					}
+					advance();
+					advance(":");
+					jsonValue();
+					if (state.tokens.next.id !== ",") {
+						break;
+					}
+					advance(",");
+				}
+			}
+			advance("}");
+		}
+
+		function jsonArray() {
+			var t = state.tokens.next;
+			advance("[");
+			if (state.tokens.next.id !== "]") {
+				for (;;) {
+					if (state.tokens.next.id === "(end)") {
+						error("E027", state.tokens.next, t.line);
+					} else if (state.tokens.next.id === "]") {
+						warning("W094", state.tokens.curr);
+						break;
+					} else if (state.tokens.next.id === ",") {
+						error("E028", state.tokens.next);
+					}
+					jsonValue();
+					if (state.tokens.next.id !== ",") {
+						break;
+					}
+					advance(",");
+				}
+			}
+			advance("]");
+		}
+
+		switch (state.tokens.next.id) {
+		case "{":
+			jsonObject();
+			break;
+		case "[":
+			jsonArray();
+			break;
+		case "true":
+		case "false":
+		case "null":
+		case "(number)":
+		case "(string)":
+			advance();
+			break;
+		case "-":
+			advance("-");
+			if (state.tokens.curr.character !== state.tokens.next.from) {
+				warning("W011", state.tokens.curr);
+			}
+			adjacent(state.tokens.curr, state.tokens.next);
+			advance("(number)");
+			break;
+		default:
+			error("E003", state.tokens.next);
+		}
+	}
+
+	var blockScope = function () {
+		var _current = {};
+		var _variables = [_current];
+
+		function _checkBlockLabels() {
+			for (var t in _current) {
+				if (_current[t]["(type)"] === "unused") {
+					if (state.option.unused) {
+						var tkn = _current[t]["(token)"];
+						var line = tkn.line;
+						var chr  = tkn.character;
+						warningAt("W098", line, chr, t);
+					}
+				}
+			}
+		}
+
+		return {
+			stack: function () {
+				_current = {};
+				_variables.push(_current);
+			},
+
+			unstack: function () {
+				_checkBlockLabels();
+				_variables.splice(_variables.length - 1, 1);
+				_current = _.last(_variables);
+			},
+
+			getlabel: function (l) {
+				for (var i = _variables.length - 1 ; i >= 0; --i) {
+					if (_.has(_variables[i], l)) {
+						return _variables[i];
+					}
+				}
+			},
+
+			current: {
+				has: function (t) {
+					return _.has(_current, t);
+				},
+				add: function (t, type, tok) {
+					_current[t] = { "(type)" : type,
+									"(token)": tok };
+				}
+			}
+		};
+	};
+
+	// The actual JSHINT function itself.
+	var itself = function (s, o, g) {
+		var i, k, x;
+		var optionKeys;
+		var newOptionObj = {};
+		var newIgnoredObj = {};
+
+		state.reset();
+
+		if (o && o.scope) {
+			JSHINT.scope = o.scope;
+		} else {
+			JSHINT.errors = [];
+			JSHINT.undefs = [];
+			JSHINT.internals = [];
+			JSHINT.blacklist = {};
+			JSHINT.scope = "(main)";
+		}
+
+		predefined = Object.create(null);
+		combine(predefined, vars.ecmaIdentifiers);
+		combine(predefined, vars.reservedVars);
+
+		combine(predefined, g || {});
+
+		declared = Object.create(null);
+		exported = Object.create(null);
+
+		function each(obj, cb) {
+			if (!obj)
+				return;
+
+			if (!Array.isArray(obj) && typeof obj === "object")
+				obj = Object.keys(obj);
+
+			obj.forEach(cb);
+		}
+
+		if (o) {
+			each(o.predef || null, function (item) {
+				var slice, prop;
+
+				if (item[0] === "-") {
+					slice = item.slice(1);
+					JSHINT.blacklist[slice] = slice;
+				} else {
+					prop = Object.getOwnPropertyDescriptor(o.predef, item);
+					predefined[item] = prop ? prop.value : false;
+				}
+			});
+
+			each(o.exported || null, function (item) {
+				exported[item] = true;
+			});
+
+			delete o.predef;
+			delete o.exported;
+
+			optionKeys = Object.keys(o);
+			for (x = 0; x < optionKeys.length; x++) {
+				if (/^-W\d{3}$/g.test(optionKeys[x])) {
+					newIgnoredObj[optionKeys[x].slice(1)] = true;
+				} else {
+					newOptionObj[optionKeys[x]] = o[optionKeys[x]];
+
+					if (optionKeys[x] === "newcap" && o[optionKeys[x]] === false)
+						newOptionObj["(explicitNewcap)"] = true;
+
+					if (optionKeys[x] === "indent")
+						newOptionObj["(explicitIndent)"] = o[optionKeys[x]] === false ? false : true;
+				}
+			}
+		}
+
+		state.option = newOptionObj;
+		state.ignored = newIgnoredObj;
+
+		state.option.indent = state.option.indent || 4;
+		state.option.maxerr = state.option.maxerr || 50;
+
+		indent = 1;
+		global = Object.create(predefined);
+		scope = global;
+		funct = {
+			"(global)":   true,
+			"(name)":	  "(global)",
+			"(scope)":	  scope,
+			"(breakage)": 0,
+			"(loopage)":  0,
+			"(tokens)":   {},
+			"(metrics)":   createMetrics(state.tokens.next),
+			"(blockscope)": blockScope(),
+			"(comparray)": arrayComprehension()
+		};
+		functions = [funct];
+		urls = [];
+		stack = null;
+		member = {};
+		membersOnly = null;
+		implied = {};
+		inblock = false;
+		lookahead = [];
+		warnings = 0;
+		unuseds = [];
+
+		if (!isString(s) && !Array.isArray(s)) {
+			errorAt("E004", 0);
+			return false;
+		}
+
+		api = {
+			get isJSON() {
+				return state.jsonMode;
+			},
+
+			getOption: function (name) {
+				return state.option[name] || null;
+			},
+
+			getCache: function (name) {
+				return state.cache[name];
+			},
+
+			setCache: function (name, value) {
+				state.cache[name] = value;
+			},
+
+			warn: function (code, data) {
+				warningAt.apply(null, [ code, data.line, data.char ].concat(data.data));
+			},
+
+			on: function (names, listener) {
+				names.split(" ").forEach(function (name) {
+					emitter.on(name, listener);
+				}.bind(this));
+			}
+		};
+
+		emitter.removeAllListeners();
+		(extraModules || []).forEach(function (func) {
+			func(api);
+		});
+
+		state.tokens.prev = state.tokens.curr = state.tokens.next = state.syntax["(begin)"];
+
+		lex = new Lexer(s);
+
+		lex.on("warning", function (ev) {
+			warningAt.apply(null, [ ev.code, ev.line, ev.character].concat(ev.data));
+		});
+
+		lex.on("error", function (ev) {
+			errorAt.apply(null, [ ev.code, ev.line, ev.character ].concat(ev.data));
+		});
+
+		lex.on("fatal", function (ev) {
+			quit("E041", ev.line, ev.from);
+		});
+
+		lex.on("Identifier", function (ev) {
+			emitter.emit("Identifier", ev);
+		});
+
+		lex.on("String", function (ev) {
+			emitter.emit("String", ev);
+		});
+
+		lex.on("Number", function (ev) {
+			emitter.emit("Number", ev);
+		});
+
+		lex.start();
+
+		// Check options
+		for (var name in o) {
+			if (_.has(o, name)) {
+				checkOption(name, state.tokens.curr);
+			}
+		}
+
+		assume();
+
+		// combine the passed globals after we've assumed all our options
+		combine(predefined, g || {});
+
+		//reset values
+		comma.first = true;
+
+		try {
+			advance();
+			switch (state.tokens.next.id) {
+			case "{":
+			case "[":
+				destructuringAssignOrJsonValue();
+				break;
+			default:
+				directives();
+
+				if (state.directive["use strict"]) {
+					if (!state.option.globalstrict && !state.option.node) {
+						warning("W097", state.tokens.prev);
+					}
+				}
+
+				statements();
+			}
+			advance((state.tokens.next && state.tokens.next.value !== ".")	? "(end)" : undefined);
+			funct["(blockscope)"].unstack();
+
+			var markDefined = function (name, context) {
+				do {
+					if (typeof context[name] === "string") {
+						// JSHINT marks unused variables as 'unused' and
+						// unused function declaration as 'unction'. This
+						// code changes such instances back 'var' and
+						// 'closure' so that the code in JSHINT.data()
+						// doesn't think they're unused.
+
+						if (context[name] === "unused")
+							context[name] = "var";
+						else if (context[name] === "unction")
+							context[name] = "closure";
+
+						return true;
+					}
+
+					context = context["(context)"];
+				} while (context);
+
+				return false;
+			};
+
+			var clearImplied = function (name, line) {
+				if (!implied[name])
+					return;
+
+				var newImplied = [];
+				for (var i = 0; i < implied[name].length; i += 1) {
+					if (implied[name][i] !== line)
+						newImplied.push(implied[name][i]);
+				}
+
+				if (newImplied.length === 0)
+					delete implied[name];
+				else
+					implied[name] = newImplied;
+			};
+
+			var warnUnused = function (name, tkn, type, unused_opt) {
+				var line = tkn.line;
+				var chr  = tkn.character;
+
+				if (unused_opt === undefined) {
+					unused_opt = state.option.unused;
+				}
+
+				if (unused_opt === true) {
+					unused_opt = "last-param";
+				}
+
+				var warnable_types = {
+					"vars": ["var"],
+					"last-param": ["var", "param"],
+					"strict": ["var", "param", "last-param"]
+				};
+
+				if (unused_opt) {
+					if (warnable_types[unused_opt] && warnable_types[unused_opt].indexOf(type) !== -1) {
+						warningAt("W098", line, chr, name);
+					}
+				}
+
+				unuseds.push({
+					name: name,
+					line: line,
+					character: chr
+				});
+			};
+
+			var checkUnused = function (func, key) {
+				var type = func[key];
+				var tkn = func["(tokens)"][key];
+
+				if (key.charAt(0) === "(")
+					return;
+
+				if (type !== "unused" && type !== "unction")
+					return;
+
+				// Params are checked separately from other variables.
+				if (func["(params)"] && func["(params)"].indexOf(key) !== -1)
+					return;
+
+				// Variable is in global scope and defined as exported.
+				if (func["(global)"] && _.has(exported, key)) {
+					return;
+				}
+
+				warnUnused(key, tkn, "var");
+			};
+
+			// Check queued 'x is not defined' instances to see if they're still undefined.
+			for (i = 0; i < JSHINT.undefs.length; i += 1) {
+				k = JSHINT.undefs[i].slice(0);
+
+				if (markDefined(k[2].value, k[0])) {
+					clearImplied(k[2].value, k[2].line);
+				} else if (state.option.undef) {
+					warning.apply(warning, k.slice(1));
+				}
+			}
+
+			functions.forEach(function (func) {
+				if (func["(unusedOption)"] === false) {
+					return;
+				}
+
+				for (var key in func) {
+					if (_.has(func, key)) {
+						checkUnused(func, key);
+					}
+				}
+
+				if (!func["(params)"])
+					return;
+
+				var params = func["(params)"].slice();
+				var param  = params.pop();
+				var type, unused_opt;
+
+				while (param) {
+					type = func[param];
+					unused_opt = func["(unusedOption)"] || state.option.unused;
+					unused_opt = unused_opt === true ? "last-param" : unused_opt;
+
+					// 'undefined' is a special case for (function (window, undefined) { ... })();
+					// patterns.
+
+					if (param === "undefined")
+						return;
+
+					if (type === "unused" || type === "unction") {
+						warnUnused(param, func["(tokens)"][param], "param", func["(unusedOption)"]);
+					} else if (unused_opt === "last-param") {
+						return;
+					}
+
+					param = params.pop();
+				}
+			});
+
+			for (var key in declared) {
+				if (_.has(declared, key) && !_.has(global, key)) {
+					warnUnused(key, declared[key], "var");
+				}
+			}
+
+		} catch (err) {
+			if (err && err.name === "JSHintError") {
+				var nt = state.tokens.next || {};
+				JSHINT.errors.push({
+					scope     : "(main)",
+					raw       : err.raw,
+					code      : err.code,
+					reason    : err.message,
+					line      : err.line || nt.line,
+					character : err.character || nt.from
+				}, null);
+			} else {
+				throw err;
+			}
+		}
+
+		// Loop over the listed "internals", and check them as well.
+
+		if (JSHINT.scope === "(main)") {
+			o = o || {};
+
+			for (i = 0; i < JSHINT.internals.length; i += 1) {
+				k = JSHINT.internals[i];
+				o.scope = k.elem;
+				itself(k.value, o, g);
+			}
+		}
+
+		return JSHINT.errors.length === 0;
+	};
+
+	// Modules.
+	itself.addModule = function (func) {
+		extraModules.push(func);
+	};
+
+	itself.addModule(style.register);
+
+	// Data summary.
+	itself.data = function () {
+		var data = {
+			functions: [],
+			options: state.option
+		};
+		var implieds = [];
+		var members = [];
+		var fu, f, i, j, n, globals;
+
+		if (itself.errors.length) {
+			data.errors = itself.errors;
+		}
+
+		if (state.jsonMode) {
+			data.json = true;
+		}
+
+		for (n in implied) {
+			if (_.has(implied, n)) {
+				implieds.push({
+					name: n,
+					line: implied[n]
+				});
+			}
+		}
+
+		if (implieds.length > 0) {
+			data.implieds = implieds;
+		}
+
+		if (urls.length > 0) {
+			data.urls = urls;
+		}
+
+		globals = Object.keys(scope);
+		if (globals.length > 0) {
+			data.globals = globals;
+		}
+
+		for (i = 1; i < functions.length; i += 1) {
+			f = functions[i];
+			fu = {};
+
+			for (j = 0; j < functionicity.length; j += 1) {
+				fu[functionicity[j]] = [];
+			}
+
+			for (j = 0; j < functionicity.length; j += 1) {
+				if (fu[functionicity[j]].length === 0) {
+					delete fu[functionicity[j]];
+				}
+			}
+
+			fu.name = f["(name)"];
+			fu.param = f["(params)"];
+			fu.line = f["(line)"];
+			fu.character = f["(character)"];
+			fu.last = f["(last)"];
+			fu.lastcharacter = f["(lastcharacter)"];
+			data.functions.push(fu);
+		}
+
+		if (unuseds.length > 0) {
+			data.unused = unuseds;
+		}
+
+		members = [];
+		for (n in member) {
+			if (typeof member[n] === "number") {
+				data.member = member;
+				break;
+			}
+		}
+
+		return data;
+	};
+
+	itself.jshint = itself;
+
+	return itself;
+}());
+
+// Make JSHINT a Node module, if possible.
+if (typeof exports === "object" && exports) {
+	exports.JSHINT = JSHINT;
+}
+
+})()
+},{"events":2,"../shared/vars.js":3,"../shared/messages.js":7,"./reg.js":4,"./state.js":6,"./style.js":5,"./lex.js":8,"console-browserify":9,"underscore":10}],7:[function(require,module,exports){
+(function(){"use strict";
+
+var _ = require("underscore");
+
+var errors = {
+	// JSHint options
+	E001: "Bad option: '{a}'.",
+	E002: "Bad option value.",
+
+	// JSHint input
+	E003: "Expected a JSON value.",
+	E004: "Input is neither a string nor an array of strings.",
+	E005: "Input is empty.",
+	E006: "Unexpected early end of program.",
+
+	// Strict mode
+	E007: "Missing \"use strict\" statement.",
+	E008: "Strict violation.",
+	E009: "Option 'validthis' can't be used in a global scope.",
+	E010: "'with' is not allowed in strict mode.",
+
+	// Constants
+	E011: "const '{a}' has already been declared.",
+	E012: "const '{a}' is initialized to 'undefined'.",
+	E013: "Attempting to override '{a}' which is a constant.",
+
+	// Regular expressions
+	E014: "A regular expression literal can be confused with '/='.",
+	E015: "Unclosed regular expression.",
+	E016: "Invalid regular expression.",
+
+	// Tokens
+	E017: "Unclosed comment.",
+	E018: "Unbegun comment.",
+	E019: "Unmatched '{a}'.",
+	E020: "Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
+	E021: "Expected '{a}' and instead saw '{b}'.",
+	E022: "Line breaking error '{a}'.",
+	E023: "Missing '{a}'.",
+	E024: "Unexpected '{a}'.",
+	E025: "Missing ':' on a case clause.",
+	E026: "Missing '}' to match '{' from line {a}.",
+	E027: "Missing ']' to match '[' form line {a}.",
+	E028: "Illegal comma.",
+	E029: "Unclosed string.",
+
+	// Everything else
+	E030: "Expected an identifier and instead saw '{a}'.",
+	E031: "Bad assignment.", // FIXME: Rephrase
+	E032: "Expected a small integer or 'false' and instead saw '{a}'.",
+	E033: "Expected an operator and instead saw '{a}'.",
+	E034: "get/set are ES5 features.",
+	E035: "Missing property name.",
+	E036: "Expected to see a statement and instead saw a block.",
+	E037: null, // Vacant
+	E038: null, // Vacant
+	E039: "Function declarations are not invocable. Wrap the whole function invocation in parens.",
+	E040: "Each value should have its own case label.",
+	E041: "Unrecoverable syntax error.",
+	E042: "Stopping.",
+	E043: "Too many errors.",
+	E044: "'{a}' is already defined and can't be redefined.",
+	E045: "Invalid for each loop.",
+	E046: "A yield statement shall be within a generator function (with syntax: `function*`)",
+	E047: "A generator function shall contain a yield statement.",
+	E048: "Let declaration not directly within block.",
+	E049: "A {a} cannot be named '{b}'.",
+	E050: "Mozilla requires the yield expression to be parenthesized here.",
+	E051: "Regular parameters cannot come after default parameters."
+};
+
+var warnings = {
+	W001: "'hasOwnProperty' is a really bad name.",
+	W002: "Value of '{a}' may be overwritten in IE 8 and earlier.",
+	W003: "'{a}' was used before it was defined.",
+	W004: "'{a}' is already defined.",
+	W005: "A dot following a number can be confused with a decimal point.",
+	W006: "Confusing minuses.",
+	W007: "Confusing pluses.",
+	W008: "A leading decimal point can be confused with a dot: '{a}'.",
+	W009: "The array literal notation [] is preferrable.",
+	W010: "The object literal notation {} is preferrable.",
+	W011: "Unexpected space after '{a}'.",
+	W012: "Unexpected space before '{a}'.",
+	W013: "Missing space after '{a}'.",
+	W014: "Bad line breaking before '{a}'.",
+	W015: "Expected '{a}' to have an indentation at {b} instead at {c}.",
+	W016: "Unexpected use of '{a}'.",
+	W017: "Bad operand.",
+	W018: "Confusing use of '{a}'.",
+	W019: "Use the isNaN function to compare with NaN.",
+	W020: "Read only.",
+	W021: "'{a}' is a function.",
+	W022: "Do not assign to the exception parameter.",
+	W023: "Expected an identifier in an assignment and instead saw a function invocation.",
+	W024: "Expected an identifier and instead saw '{a}' (a reserved word).",
+	W025: "Missing name in function declaration.",
+	W026: "Inner functions should be listed at the top of the outer function.",
+	W027: "Unreachable '{a}' after '{b}'.",
+	W028: "Label '{a}' on {b} statement.",
+	W030: "Expected an assignment or function call and instead saw an expression.",
+	W031: "Do not use 'new' for side effects.",
+	W032: "Unnecessary semicolon.",
+	W033: "Missing semicolon.",
+	W034: "Unnecessary directive \"{a}\".",
+	W035: "Empty block.",
+	W036: "Unexpected /*member '{a}'.",
+	W037: "'{a}' is a statement label.",
+	W038: "'{a}' used out of scope.",
+	W039: "'{a}' is not allowed.",
+	W040: "Possible strict violation.",
+	W041: "Use '{a}' to compare with '{b}'.",
+	W042: "Avoid EOL escaping.",
+	W043: "Bad escaping of EOL. Use option multistr if needed.",
+	W044: "Bad or unnecessary escaping.",
+	W045: "Bad number '{a}'.",
+	W046: "Don't use extra leading zeros '{a}'.",
+	W047: "A trailing decimal point can be confused with a dot: '{a}'.",
+	W048: "Unexpected control character in regular expression.",
+	W049: "Unexpected escaped character '{a}' in regular expression.",
+	W050: "JavaScript URL.",
+	W051: "Variables should not be deleted.",
+	W052: "Unexpected '{a}'.",
+	W053: "Do not use {a} as a constructor.",
+	W054: "The Function constructor is a form of eval.",
+	W055: "A constructor name should start with an uppercase letter.",
+	W056: "Bad constructor.",
+	W057: "Weird construction. Is 'new' unnecessary?",
+	W058: "Missing '()' invoking a constructor.",
+	W059: "Avoid arguments.{a}.",
+	W060: "document.write can be a form of eval.",
+	W061: "eval can be harmful.",
+	W062: "Wrap an immediate function invocation in parens " +
+		"to assist the reader in understanding that the expression " +
+		"is the result of a function, and not the function itself.",
+	W063: "Math is not a function.",
+	W064: "Missing 'new' prefix when invoking a constructor.",
+	W065: "Missing radix parameter.",
+	W066: "Implied eval. Consider passing a function instead of a string.",
+	W067: "Bad invocation.",
+	W068: "Wrapping non-IIFE function literals in parens is unnecessary.",
+	W069: "['{a}'] is better written in dot notation.",
+	W070: "Extra comma. (it breaks older versions of IE)",
+	W071: "This function has too many statements. ({a})",
+	W072: "This function has too many parameters. ({a})",
+	W073: "Blocks are nested too deeply. ({a})",
+	W074: "This function's cyclomatic complexity is too high. ({a})",
+	W075: "Duplicate key '{a}'.",
+	W076: "Unexpected parameter '{a}' in get {b} function.",
+	W077: "Expected a single parameter in set {a} function.",
+	W078: "Setter is defined without getter.",
+	W079: "Redefinition of '{a}'.",
+	W080: "It's not necessary to initialize '{a}' to 'undefined'.",
+	W081: "Too many var statements.",
+	W082: "Function declarations should not be placed in blocks. " +
+		"Use a function expression or move the statement to the top of " +
+		"the outer function.",
+	W083: "Don't make functions within a loop.",
+	W084: "Expected a conditional expression and instead saw an assignment.",
+	W085: "Don't use 'with'.",
+	W086: "Expected a 'break' statement before '{a}'.",
+	W087: "Forgotten 'debugger' statement?",
+	W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
+	W089: "The body of a for in should be wrapped in an if statement to filter " +
+		"unwanted properties from the prototype.",
+	W090: "'{a}' is not a statement label.",
+	W091: "'{a}' is out of scope.",
+	W092: "Wrap the /regexp/ literal in parens to disambiguate the slash operator.",
+	W093: "Did you mean to return a conditional instead of an assignment?",
+	W094: "Unexpected comma.",
+	W095: "Expected a string and instead saw {a}.",
+	W096: "The '{a}' key may produce unexpected results.",
+	W097: "Use the function form of \"use strict\".",
+	W098: "'{a}' is defined but never used.",
+	W099: "Mixed spaces and tabs.",
+	W100: "This character may get silently deleted by one or more browsers.",
+	W101: "Line is too long.",
+	W102: "Trailing whitespace.",
+	W103: "The '{a}' property is deprecated.",
+	W104: "'{a}' is only available in JavaScript 1.7.",
+	W105: "Unexpected {a} in '{b}'.",
+	W106: "Identifier '{a}' is not in camel case.",
+	W107: "Script URL.",
+	W108: "Strings must use doublequote.",
+	W109: "Strings must use singlequote.",
+	W110: "Mixed double and single quotes.",
+	W112: "Unclosed string.",
+	W113: "Control character in string: {a}.",
+	W114: "Avoid {a}.",
+	W115: "Octal literals are not allowed in strict mode.",
+	W116: "Expected '{a}' and instead saw '{b}'.",
+	W117: "'{a}' is not defined.",
+	W118: "'{a}' is only available in Mozilla JavaScript extensions (use moz option).",
+	W119: "'{a}' is only available in ES6 (use esnext option).",
+	W120: "You might be leaking a variable ({a}) here."
+};
+
+var info = {
+	I001: "Comma warnings can be turned off with 'laxcomma'.",
+	I002: "Reserved words as properties can be used under the 'es5' option.",
+	I003: "ES5 option is now set per default"
+};
+
+exports.errors = {};
+exports.warnings = {};
+exports.info = {};
+
+_.each(errors, function (desc, code) {
+	exports.errors[code] = { code: code, desc: desc };
+});
+
+_.each(warnings, function (desc, code) {
+	exports.warnings[code] = { code: code, desc: desc };
+});
+
+_.each(info, function (desc, code) {
+	exports.info[code] = { code: code, desc: desc };
+});
+
+})()
+},{"underscore":10}],8:[function(require,module,exports){
+(function(){/*
+ * Lexical analysis and token construction.
+ */
+
+"use strict";
+
+var _      = require("underscore");
+var events = require("events");
+var reg    = require("./reg.js");
+var state  = require("./state.js").state;
+
+// Some of these token types are from JavaScript Parser API
+// while others are specific to JSHint parser.
+// JS Parser API: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
+
+var Token = {
+	Identifier: 1,
+	Punctuator: 2,
+	NumericLiteral: 3,
+	StringLiteral: 4,
+	Comment: 5,
+	Keyword: 6,
+	NullLiteral: 7,
+	BooleanLiteral: 8,
+	RegExp: 9
+};
+
+// This is auto generated from the unicode tables.
+// The tables are at:
+// http://www.fileformat.info/info/unicode/category/Lu/list.htm
+// http://www.fileformat.info/info/unicode/category/Ll/list.htm
+// http://www.fileformat.info/info/unicode/category/Lt/list.htm
+// http://www.fileformat.info/info/unicode/category/Lm/list.htm
+// http://www.fileformat.info/info/unicode/category/Lo/list.htm
+// http://www.fileformat.info/info/unicode/category/Nl/list.htm
+
+var unicodeLetterTable = [
+	170, 170, 181, 181, 186, 186, 192, 214,
+	216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750,
+	880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908,
+	910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366,
+	1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610,
+	1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775,
+	1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957,
+	1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069,
+	2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2308, 2361,
+	2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431,
+	2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482,
+	2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529,
+	2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608,
+	2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654,
+	2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736,
+	2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785,
+	2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867,
+	2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929,
+	2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970,
+	2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001,
+	3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123,
+	3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212,
+	3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261,
+	3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344,
+	3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455,
+	3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526,
+	3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716,
+	3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743,
+	3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760,
+	3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805,
+	3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138,
+	4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198,
+	4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4304, 4346,
+	4348, 4348, 4352, 4680, 4682, 4685, 4688, 4694, 4696, 4696,
+	4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789,
+	4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880,
+	4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740,
+	5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900,
+	5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000,
+	6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312,
+	6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516,
+	6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823,
+	6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7104, 7141,
+	7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409,
+	7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013,
+	8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061,
+	8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140,
+	8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188,
+	8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455,
+	8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486,
+	8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521,
+	8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358,
+	11360, 11492, 11499, 11502, 11520, 11557, 11568, 11621,
+	11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694,
+	11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726,
+	11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295,
+	12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438,
+	12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589,
+	12593, 12686, 12704, 12730, 12784, 12799, 13312, 13312,
+	19893, 19893, 19968, 19968, 40907, 40907, 40960, 42124,
+	42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539,
+	42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783,
+	42786, 42888, 42891, 42894, 42896, 42897, 42912, 42921,
+	43002, 43009, 43011, 43013, 43015, 43018, 43020, 43042,
+	43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259,
+	43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442,
+	43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595,
+	43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697,
+	43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714,
+	43739, 43741, 43777, 43782, 43785, 43790, 43793, 43798,
+	43808, 43814, 43816, 43822, 43968, 44002, 44032, 44032,
+	55203, 55203, 55216, 55238, 55243, 55291, 63744, 64045,
+	64048, 64109, 64112, 64217, 64256, 64262, 64275, 64279,
+	64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316,
+	64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433,
+	64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019,
+	65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370,
+	65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495,
+	65498, 65500, 65536, 65547, 65549, 65574, 65576, 65594,
+	65596, 65597, 65599, 65613, 65616, 65629, 65664, 65786,
+	65856, 65908, 66176, 66204, 66208, 66256, 66304, 66334,
+	66352, 66378, 66432, 66461, 66464, 66499, 66504, 66511,
+	66513, 66517, 66560, 66717, 67584, 67589, 67592, 67592,
+	67594, 67637, 67639, 67640, 67644, 67644, 67647, 67669,
+	67840, 67861, 67872, 67897, 68096, 68096, 68112, 68115,
+	68117, 68119, 68121, 68147, 68192, 68220, 68352, 68405,
+	68416, 68437, 68448, 68466, 68608, 68680, 69635, 69687,
+	69763, 69807, 73728, 74606, 74752, 74850, 77824, 78894,
+	92160, 92728, 110592, 110593, 119808, 119892, 119894, 119964,
+	119966, 119967, 119970, 119970, 119973, 119974, 119977, 119980,
+	119982, 119993, 119995, 119995, 119997, 120003, 120005, 120069,
+	120071, 120074, 120077, 120084, 120086, 120092, 120094, 120121,
+	120123, 120126, 120128, 120132, 120134, 120134, 120138, 120144,
+	120146, 120485, 120488, 120512, 120514, 120538, 120540, 120570,
+	120572, 120596, 120598, 120628, 120630, 120654, 120656, 120686,
+	120688, 120712, 120714, 120744, 120746, 120770, 120772, 120779,
+	131072, 131072, 173782, 173782, 173824, 173824, 177972, 177972,
+	177984, 177984, 178205, 178205, 194560, 195101
+];
+
+var identifierStartTable = [];
+
+for (var i = 0; i < 128; i++) {
+	identifierStartTable[i] =
+		i === 36 ||           // $
+		i >= 65 && i <= 90 || // A-Z
+		i === 95 ||           // _
+		i >= 97 && i <= 122;  // a-z
+}
+
+var identifierPartTable = [];
+
+for (var i = 0; i < 128; i++) {
+	identifierPartTable[i] =
+		identifierStartTable[i] || // $, _, A-Z, a-z
+		i >= 48 && i <= 57;        // 0-9
+}
+
+// Object that handles postponed lexing verifications that checks the parsed
+// environment state.
+
+function asyncTrigger() {
+	var _checks = [];
+
+	return {
+		push: function (fn) {
+			_checks.push(fn);
+		},
+
+		check: function () {
+			for (var check = 0; check < _checks.length; ++check) {
+				_checks[check]();
+			}
+
+			_checks.splice(0, _checks.length);
+		}
+	};
+}
+
+/*
+ * Lexer for JSHint.
+ *
+ * This object does a char-by-char scan of the provided source code
+ * and produces a sequence of tokens.
+ *
+ *   var lex = new Lexer("var i = 0;");
+ *   lex.start();
+ *   lex.token(); // returns the next token
+ *
+ * You have to use the token() method to move the lexer forward
+ * but you don't have to use its return value to get tokens. In addition
+ * to token() method returning the next token, the Lexer object also
+ * emits events.
+ *
+ *   lex.on("Identifier", function (data) {
+ *     if (data.name.indexOf("_") >= 0) {
+ *       // Produce a warning.
+ *     }
+ *   });
+ *
+ * Note that the token() method returns tokens in a JSLint-compatible
+ * format while the event emitter uses a slightly modified version of
+ * Mozilla's JavaScript Parser API. Eventually, we will move away from
+ * JSLint format.
+ */
+function Lexer(source) {
+	var lines = source;
+
+	if (typeof lines === "string") {
+		lines = lines
+			.replace(/\r\n/g, "\n")
+			.replace(/\r/g, "\n")
+			.split("\n");
+	}
+
+	// If the first line is a shebang (#!), make it a blank and move on.
+	// Shebangs are used by Node scripts.
+
+	if (lines[0] && lines[0].substr(0, 2) === "#!") {
+		lines[0] = "";
+	}
+
+	this.emitter = new events.EventEmitter();
+	this.source = source;
+	this.setLines(lines);
+	this.prereg = true;
+
+	this.line = 0;
+	this.char = 1;
+	this.from = 1;
+	this.input = "";
+
+	for (var i = 0; i < state.option.indent; i += 1) {
+		state.tab += " ";
+	}
+}
+
+Lexer.prototype = {
+	_lines: [],
+
+	getLines: function () {
+		this._lines = state.lines;
+		return this._lines;
+	},
+
+	setLines: function (val) {
+		this._lines = val;
+		state.lines = this._lines;
+	},
+
+	/*
+	 * Return the next i character without actually moving the
+	 * char pointer.
+	 */
+	peek: function (i) {
+		return this.input.charAt(i || 0);
+	},
+
+	/*
+	 * Move the char pointer forward i times.
+	 */
+	skip: function (i) {
+		i = i || 1;
+		this.char += i;
+		this.input = this.input.slice(i);
+	},
+
+	/*
+	 * Subscribe to a token event. The API for this method is similar
+	 * Underscore.js i.e. you can subscribe to multiple events with
+	 * one call:
+	 *
+	 *   lex.on("Identifier Number", function (data) {
+	 *     // ...
+	 *   });
+	 */
+	on: function (names, listener) {
+		names.split(" ").forEach(function (name) {
+			this.emitter.on(name, listener);
+		}.bind(this));
+	},
+
+	/*
+	 * Trigger a token event. All arguments will be passed to each
+	 * listener.
+	 */
+	trigger: function () {
+		this.emitter.emit.apply(this.emitter, Array.prototype.slice.call(arguments));
+	},
+
+	/*
+	 * Postpone a token event. the checking condition is set as
+	 * last parameter, and the trigger function is called in a
+	 * stored callback. To be later called using the check() function
+	 * by the parser. This avoids parser's peek() to give the lexer
+	 * a false context.
+	 */
+	triggerAsync: function (type, args, checks, fn) {
+		checks.push(function () {
+			if (fn()) {
+				this.trigger(type, args);
+			}
+		}.bind(this));
+	},
+
+	/*
+	 * Extract a punctuator out of the next sequence of characters
+	 * or return 'null' if its not possible.
+	 *
+	 * This method's implementation was heavily influenced by the
+	 * scanPunctuator function in the Esprima parser's source code.
+	 */
+	scanPunctuator: function () {
+		var ch1 = this.peek();
+		var ch2, ch3, ch4;
+
+		switch (ch1) {
+		// Most common single-character punctuators
+		case ".":
+			if ((/^[0-9]$/).test(this.peek(1))) {
+				return null;
+			}
+			if (this.peek(1) === "." && this.peek(2) === ".") {
+				return {
+					type: Token.Punctuator,
+					value: "..."
+				};
+			}
+			/* falls through */
+		case "(":
+		case ")":
+		case ";":
+		case ",":
+		case "{":
+		case "}":
+		case "[":
+		case "]":
+		case ":":
+		case "~":
+		case "?":
+			return {
+				type: Token.Punctuator,
+				value: ch1
+			};
+
+		// A pound sign (for Node shebangs)
+		case "#":
+			return {
+				type: Token.Punctuator,
+				value: ch1
+			};
+
+		// We're at the end of input
+		case "":
+			return null;
+		}
+
+		// Peek more characters
+
+		ch2 = this.peek(1);
+		ch3 = this.peek(2);
+		ch4 = this.peek(3);
+
+		// 4-character punctuator: >>>=
+
+		if (ch1 === ">" && ch2 === ">" && ch3 === ">" && ch4 === "=") {
+			return {
+				type: Token.Punctuator,
+				value: ">>>="
+			};
+		}
+
+		// 3-character punctuators: === !== >>> <<= >>=
+
+		if (ch1 === "=" && ch2 === "=" && ch3 === "=") {
+			return {
+				type: Token.Punctuator,
+				value: "==="
+			};
+		}
+
+		if (ch1 === "!" && ch2 === "=" && ch3 === "=") {
+			return {
+				type: Token.Punctuator,
+				value: "!=="
+			};
+		}
+
+		if (ch1 === ">" && ch2 === ">" && ch3 === ">") {
+			return {
+				type: Token.Punctuator,
+				value: ">>>"
+			};
+		}
+
+		if (ch1 === "<" && ch2 === "<" && ch3 === "=") {
+			return {
+				type: Token.Punctuator,
+				value: "<<="
+			};
+		}
+
+		if (ch1 === ">" && ch2 === ">" && ch3 === "=") {
+			return {
+				type: Token.Punctuator,
+				value: ">>="
+			};
+		}
+
+		// Fat arrow punctuator
+		if (ch1 === "=" && ch2 === ">") {
+			return {
+				type: Token.Punctuator,
+				value: ch1 + ch2
+			};
+		}
+
+		// 2-character punctuators: <= >= == != ++ -- << >> && ||
+		// += -= *= %= &= |= ^= (but not /=, see below)
+		if (ch1 === ch2 && ("+-<>&|".indexOf(ch1) >= 0)) {
+			return {
+				type: Token.Punctuator,
+				value: ch1 + ch2
+			};
+		}
+
+		if ("<>=!+-*%&|^".indexOf(ch1) >= 0) {
+			if (ch2 === "=") {
+				return {
+					type: Token.Punctuator,
+					value: ch1 + ch2
+				};
+			}
+
+			return {
+				type: Token.Punctuator,
+				value: ch1
+			};
+		}
+
+		// Special case: /=. We need to make sure that this is an
+		// operator and not a regular expression.
+
+		if (ch1 === "/") {
+			if (ch2 === "=" && /\/=(?!(\S*\/[gim]?))/.test(this.input)) {
+				// /= is not a part of a regular expression, return it as a
+				// punctuator.
+				return {
+					type: Token.Punctuator,
+					value: "/="
+				};
+			}
+
+			return {
+				type: Token.Punctuator,
+				value: "/"
+			};
+		}
+
+		return null;
+	},
+
+	/*
+	 * Extract a comment out of the next sequence of characters and/or
+	 * lines or return 'null' if its not possible. Since comments can
+	 * span across multiple lines this method has to move the char
+	 * pointer.
+	 *
+	 * In addition to normal JavaScript comments (// and /*) this method
+	 * also recognizes JSHint- and JSLint-specific comments such as
+	 * /*jshint, /*jslint, /*globals and so on.
+	 */
+	scanComments: function () {
+		var ch1 = this.peek();
+		var ch2 = this.peek(1);
+		var rest = this.input.substr(2);
+		var startLine = this.line;
+		var startChar = this.char;
+
+		// Create a comment token object and make sure it
+		// has all the data JSHint needs to work with special
+		// comments.
+
+		function commentToken(label, body, opt) {
+			var special = ["jshint", "jslint", "members", "member", "globals", "global", "exported"];
+			var isSpecial = false;
+			var value = label + body;
+			var commentType = "plain";
+			opt = opt || {};
+
+			if (opt.isMultiline) {
+				value += "*/";
+			}
+
+			special.forEach(function (str) {
+				if (isSpecial) {
+					return;
+				}
+
+				// Don't recognize any special comments other than jshint for single-line
+				// comments. This introduced many problems with legit comments.
+				if (label === "//" && str !== "jshint") {
+					return;
+				}
+
+				if (body.substr(0, str.length) === str) {
+					isSpecial = true;
+					label = label + str;
+					body = body.substr(str.length);
+				}
+
+				if (!isSpecial && body.charAt(0) === " " && body.substr(1, str.length) === str) {
+					isSpecial = true;
+					label = label + " " + str;
+					body = body.substr(str.length + 1);
+				}
+
+				if (!isSpecial) {
+					return;
+				}
+
+				switch (str) {
+				case "member":
+					commentType = "members";
+					break;
+				case "global":
+					commentType = "globals";
+					break;
+				default:
+					commentType = str;
+				}
+			});
+
+			return {
+				type: Token.Comment,
+				commentType: commentType,
+				value: value,
+				body: body,
+				isSpecial: isSpecial,
+				isMultiline: opt.isMultiline || false,
+				isMalformed: opt.isMalformed || false
+			};
+		}
+
+		// End of unbegun comment. Raise an error and skip that input.
+		if (ch1 === "*" && ch2 === "/") {
+			this.trigger("error", {
+				code: "E018",
+				line: startLine,
+				character: startChar
+			});
+
+			this.skip(2);
+			return null;
+		}
+
+		// Comments must start either with // or /*
+		if (ch1 !== "/" || (ch2 !== "*" && ch2 !== "/")) {
+			return null;
+		}
+
+		// One-line comment
+		if (ch2 === "/") {
+			this.skip(this.input.length); // Skip to the EOL.
+			return commentToken("//", rest);
+		}
+
+		var body = "";
+
+		/* Multi-line comment */
+		if (ch2 === "*") {
+			this.skip(2);
+
+			while (this.peek() !== "*" || this.peek(1) !== "/") {
+				if (this.peek() === "") { // End of Line
+					body += "\n";
+
+					// If we hit EOF and our comment is still unclosed,
+					// trigger an error and end the comment implicitly.
+					if (!this.nextLine()) {
+						this.trigger("error", {
+							code: "E017",
+							line: startLine,
+							character: startChar
+						});
+
+						return commentToken("/*", body, {
+							isMultiline: true,
+							isMalformed: true
+						});
+					}
+				} else {
+					body += this.peek();
+					this.skip();
+				}
+			}
+
+			this.skip(2);
+			return commentToken("/*", body, { isMultiline: true });
+		}
+	},
+
+	/*
+	 * Extract a keyword out of the next sequence of characters or
+	 * return 'null' if its not possible.
+	 */
+	scanKeyword: function () {
+		var result = /^[a-zA-Z_$][a-zA-Z0-9_$]*/.exec(this.input);
+		var keywords = [
+			"if", "in", "do", "var", "for", "new",
+			"try", "let", "this", "else", "case",
+			"void", "with", "enum", "while", "break",
+			"catch", "throw", "const", "yield", "class",
+			"super", "return", "typeof", "delete",
+			"switch", "export", "import", "default",
+			"finally", "extends", "function", "continue",
+			"debugger", "instanceof"
+		];
+
+		if (result && keywords.indexOf(result[0]) >= 0) {
+			return {
+				type: Token.Keyword,
+				value: result[0]
+			};
+		}
+
+		return null;
+	},
+
+	/*
+	 * Extract a JavaScript identifier out of the next sequence of
+	 * characters or return 'null' if its not possible. In addition,
+	 * to Identifier this method can also produce BooleanLiteral
+	 * (true/false) and NullLiteral (null).
+	 */
+	scanIdentifier: function () {
+		var id = "";
+		var index = 0;
+		var type, char;
+
+		// Detects any character in the Unicode categories "Uppercase
+		// letter (Lu)", "Lowercase letter (Ll)", "Titlecase letter
+		// (Lt)", "Modifier letter (Lm)", "Other letter (Lo)", or
+		// "Letter number (Nl)".
+		//
+		// Both approach and unicodeLetterTable were borrowed from
+		// Google's Traceur.
+
+		function isUnicodeLetter(code) {
+			for (var i = 0; i < unicodeLetterTable.length;) {
+				if (code < unicodeLetterTable[i++]) {
+					return false;
+				}
+
+				if (code <= unicodeLetterTable[i++]) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+
+		function isHexDigit(str) {
+			return (/^[0-9a-fA-F]$/).test(str);
+		}
+
+		var readUnicodeEscapeSequence = function () {
+			/*jshint validthis:true */
+			index += 1;
+
+			if (this.peek(index) !== "u") {
+				return null;
+			}
+
+			var ch1 = this.peek(index + 1);
+			var ch2 = this.peek(index + 2);
+			var ch3 = this.peek(index + 3);
+			var ch4 = this.peek(index + 4);
+			var code;
+
+			if (isHexDigit(ch1) && isHexDigit(ch2) && isHexDigit(ch3) && isHexDigit(ch4)) {
+				code = parseInt(ch1 + ch2 + ch3 + ch4, 16);
+
+				if (isUnicodeLetter(code)) {
+					index += 5;
+					return "\\u" + ch1 + ch2 + ch3 + ch4;
+				}
+
+				return null;
+			}
+
+			return null;
+		}.bind(this);
+
+		var getIdentifierStart = function () {
+			/*jshint validthis:true */
+			var chr = this.peek(index);
+			var code = chr.charCodeAt(0);
+
+			if (code === 92) {
+				return readUnicodeEscapeSequence();
+			}
+
+			if (code < 128) {
+				if (identifierStartTable[code]) {
+					index += 1;
+					return chr;
+				}
+
+				return null;
+			}
+
+			if (isUnicodeLetter(code)) {
+				index += 1;
+				return chr;
+			}
+
+			return null;
+		}.bind(this);
+
+		var getIdentifierPart = function () {
+			/*jshint validthis:true */
+			var chr = this.peek(index);
+			var code = chr.charCodeAt(0);
+
+			if (code === 92) {
+				return readUnicodeEscapeSequence();
+			}
+
+			if (code < 128) {
+				if (identifierPartTable[code]) {
+					index += 1;
+					return chr;
+				}
+
+				return null;
+			}
+
+			if (isUnicodeLetter(code)) {
+				index += 1;
+				return chr;
+			}
+
+			return null;
+		}.bind(this);
+
+		char = getIdentifierStart();
+		if (char === null) {
+			return null;
+		}
+
+		id = char;
+		for (;;) {
+			char = getIdentifierPart();
+
+			if (char === null) {
+				break;
+			}
+
+			id += char;
+		}
+
+		switch (id) {
+		case "true":
+		case "false":
+			type = Token.BooleanLiteral;
+			break;
+		case "null":
+			type = Token.NullLiteral;
+			break;
+		default:
+			type = Token.Identifier;
+		}
+
+		return {
+			type: type,
+			value: id
+		};
+	},
+
+	/*
+	 * Extract a numeric literal out of the next sequence of
+	 * characters or return 'null' if its not possible. This method
+	 * supports all numeric literals described in section 7.8.3
+	 * of the EcmaScript 5 specification.
+	 *
+	 * This method's implementation was heavily influenced by the
+	 * scanNumericLiteral function in the Esprima parser's source code.
+	 */
+	scanNumericLiteral: function () {
+		var index = 0;
+		var value = "";
+		var length = this.input.length;
+		var char = this.peek(index);
+		var bad;
+
+		function isDecimalDigit(str) {
+			return (/^[0-9]$/).test(str);
+		}
+
+		function isOctalDigit(str) {
+			return (/^[0-7]$/).test(str);
+		}
+
+		function isHexDigit(str) {
+			return (/^[0-9a-fA-F]$/).test(str);
+		}
+
+		function isIdentifierStart(ch) {
+			return (ch === "$") || (ch === "_") || (ch === "\\") ||
+				(ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z");
+		}
+
+		// Numbers must start either with a decimal digit or a point.
+
+		if (char !== "." && !isDecimalDigit(char)) {
+			return null;
+		}
+
+		if (char !== ".") {
+			value = this.peek(index);
+			index += 1;
+			char = this.peek(index);
+
+			if (value === "0") {
+				// Base-16 numbers.
+				if (char === "x" || char === "X") {
+					index += 1;
+					value += char;
+
+					while (index < length) {
+						char = this.peek(index);
+						if (!isHexDigit(char)) {
+							break;
+						}
+						value += char;
+						index += 1;
+					}
+
+					if (value.length <= 2) { // 0x
+						return {
+							type: Token.NumericLiteral,
+							value: value,
+							isMalformed: true
+						};
+					}
+
+					if (index < length) {
+						char = this.peek(index);
+						if (isIdentifierStart(char)) {
+							return null;
+						}
+					}
+
+					return {
+						type: Token.NumericLiteral,
+						value: value,
+						base: 16,
+						isMalformed: false
+					};
+				}
+
+				// Base-8 numbers.
+				if (isOctalDigit(char)) {
+					index += 1;
+					value += char;
+					bad = false;
+
+					while (index < length) {
+						char = this.peek(index);
+
+						// Numbers like '019' (note the 9) are not valid octals
+						// but we still parse them and mark as malformed.
+
+						if (isDecimalDigit(char)) {
+							bad = true;
+						} else if (!isOctalDigit(char)) {
+							break;
+						}
+						value += char;
+						index += 1;
+					}
+
+					if (index < length) {
+						char = this.peek(index);
+						if (isIdentifierStart(char)) {
+							return null;
+						}
+					}
+
+					return {
+						type: Token.NumericLiteral,
+						value: value,
+						base: 8,
+						isMalformed: false
+					};
+				}
+
+				// Decimal numbers that start with '0' such as '09' are illegal
+				// but we still parse them and return as malformed.
+
+				if (isDecimalDigit(char)) {
+					index += 1;
+					value += char;
+				}
+			}
+
+			while (index < length) {
+				char = this.peek(index);
+				if (!isDecimalDigit(char)) {
+					break;
+				}
+				value += char;
+				index += 1;
+			}
+		}
+
+		// Decimal digits.
+
+		if (char === ".") {
+			value += char;
+			index += 1;
+
+			while (index < length) {
+				char = this.peek(index);
+				if (!isDecimalDigit(char)) {
+					break;
+				}
+				value += char;
+				index += 1;
+			}
+		}
+
+		// Exponent part.
+
+		if (char === "e" || char === "E") {
+			value += char;
+			index += 1;
+			char = this.peek(index);
+
+			if (char === "+" || char === "-") {
+				value += this.peek(index);
+				index += 1;
+			}
+
+			char = this.peek(index);
+			if (isDecimalDigit(char)) {
+				value += char;
+				index += 1;
+
+				while (index < length) {
+					char = this.peek(index);
+					if (!isDecimalDigit(char)) {
+						break;
+					}
+					value += char;
+					index += 1;
+				}
+			} else {
+				return null;
+			}
+		}
+
+		if (index < length) {
+			char = this.peek(index);
+			if (isIdentifierStart(char)) {
+				return null;
+			}
+		}
+
+		return {
+			type: Token.NumericLiteral,
+			value: value,
+			base: 10,
+			isMalformed: !isFinite(value)
+		};
+	},
+
+	/*
+	 * Extract a string out of the next sequence of characters and/or
+	 * lines or return 'null' if its not possible. Since strings can
+	 * span across multiple lines this method has to move the char
+	 * pointer.
+	 *
+	 * This method recognizes pseudo-multiline JavaScript strings:
+	 *
+	 *   var str = "hello\
+	 *   world";
+	 */
+	scanStringLiteral: function (checks) {
+		/*jshint loopfunc:true */
+		var quote = this.peek();
+
+		// String must start with a quote.
+		if (quote !== "\"" && quote !== "'") {
+			return null;
+		}
+
+		// In JSON strings must always use double quotes.
+		this.triggerAsync("warning", {
+			code: "W108",
+			line: this.line,
+			character: this.char // +1?
+		}, checks, function () { return state.jsonMode && quote !== "\""; });
+
+		var value = "";
+		var startLine = this.line;
+		var startChar = this.char;
+		var allowNewLine = false;
+
+		this.skip();
+
+		while (this.peek() !== quote) {
+			while (this.peek() === "") { // End Of Line
+
+				// If an EOL is not preceded by a backslash, show a warning
+				// and proceed like it was a legit multi-line string where
+				// author simply forgot to escape the newline symbol.
+				//
+				// Another approach is to implicitly close a string on EOL
+				// but it generates too many false positives.
+
+				if (!allowNewLine) {
+					this.trigger("warning", {
+						code: "W112",
+						line: this.line,
+						character: this.char
+					});
+				} else {
+					allowNewLine = false;
+
+					// Otherwise show a warning if multistr option was not set.
+					// For JSON, show warning no matter what.
+
+					this.triggerAsync("warning", {
+						code: "W043",
+						line: this.line,
+						character: this.char
+					}, checks, function () { return !state.option.multistr; });
+
+					this.triggerAsync("warning", {
+						code: "W042",
+						line: this.line,
+						character: this.char
+					}, checks, function () { return state.jsonMode && state.option.multistr; });
+				}
+
+				// If we get an EOF inside of an unclosed string, show an
+				// error and implicitly close it at the EOF point.
+
+				if (!this.nextLine()) {
+					this.trigger("error", {
+						code: "E029",
+						line: startLine,
+						character: startChar
+					});
+
+					return {
+						type: Token.StringLiteral,
+						value: value,
+						isUnclosed: true,
+						quote: quote
+					};
+				}
+			}
+
+			allowNewLine = false;
+			var char = this.peek();
+			var jump = 1; // A length of a jump, after we're done
+			              // parsing this character.
+
+			if (char < " ") {
+				// Warn about a control character in a string.
+				this.trigger("warning", {
+					code: "W113",
+					line: this.line,
+					character: this.char,
+					data: [ "<non-printable>" ]
+				});
+			}
+
+			// Special treatment for some escaped characters.
+
+			if (char === "\\") {
+				this.skip();
+				char = this.peek();
+
+				switch (char) {
+				case "'":
+					this.triggerAsync("warning", {
+						code: "W114",
+						line: this.line,
+						character: this.char,
+						data: [ "\\'" ]
+					}, checks, function () {return state.jsonMode; });
+					break;
+				case "b":
+					char = "\b";
+					break;
+				case "f":
+					char = "\f";
+					break;
+				case "n":
+					char = "\n";
+					break;
+				case "r":
+					char = "\r";
+					break;
+				case "t":
+					char = "\t";
+					break;
+				case "0":
+					char = "\0";
+
+					// Octal literals fail in strict mode.
+					// Check if the number is between 00 and 07.
+					var n = parseInt(this.peek(1), 10);
+					this.triggerAsync("warning", {
+						code: "W115",
+						line: this.line,
+						character: this.char
+					}, checks,
+					function () { return n >= 0 && n <= 7 && state.directive["use strict"]; });
+					break;
+				case "u":
+					char = String.fromCharCode(parseInt(this.input.substr(1, 4), 16));
+					jump = 5;
+					break;
+				case "v":
+					this.triggerAsync("warning", {
+						code: "W114",
+						line: this.line,
+						character: this.char,
+						data: [ "\\v" ]
+					}, checks, function () { return state.jsonMode; });
+
+					char = "\v";
+					break;
+				case "x":
+					var	x = parseInt(this.input.substr(1, 2), 16);
+
+					this.triggerAsync("warning", {
+						code: "W114",
+						line: this.line,
+						character: this.char,
+						data: [ "\\x-" ]
+					}, checks, function () { return state.jsonMode; });
+
+					char = String.fromCharCode(x);
+					jump = 3;
+					break;
+				case "\\":
+				case "\"":
+				case "/":
+					break;
+				case "":
+					allowNewLine = true;
+					char = "";
+					break;
+				case "!":
+					if (value.slice(value.length - 2) === "<") {
+						break;
+					}
+
+					/*falls through */
+				default:
+					// Weird escaping.
+					this.trigger("warning", {
+						code: "W044",
+						line: this.line,
+						character: this.char
+					});
+				}
+			}
+
+			value += char;
+			this.skip(jump);
+		}
+
+		this.skip();
+		return {
+			type: Token.StringLiteral,
+			value: value,
+			isUnclosed: false,
+			quote: quote
+		};
+	},
+
+	/*
+	 * Extract a regular expression out of the next sequence of
+	 * characters and/or lines or return 'null' if its not possible.
+	 *
+	 * This method is platform dependent: it accepts almost any
+	 * regular expression values but then tries to compile and run
+	 * them using system's RegExp object. This means that there are
+	 * rare edge cases where one JavaScript engine complains about
+	 * your regular expression while others don't.
+	 */
+	scanRegExp: function () {
+		var index = 0;
+		var length = this.input.length;
+		var char = this.peek();
+		var value = char;
+		var body = "";
+		var flags = [];
+		var malformed = false;
+		var isCharSet = false;
+		var terminated;
+
+		var scanUnexpectedChars = function () {
+			// Unexpected control character
+			if (char < " ") {
+				malformed = true;
+				this.trigger("warning", {
+					code: "W048",
+					line: this.line,
+					character: this.char
+				});
+			}
+
+			// Unexpected escaped character
+			if (char === "<") {
+				malformed = true;
+				this.trigger("warning", {
+					code: "W049",
+					line: this.line,
+					character: this.char,
+					data: [ char ]
+				});
+			}
+		}.bind(this);
+
+		// Regular expressions must start with '/'
+		if (!this.prereg || char !== "/") {
+			return null;
+		}
+
+		index += 1;
+		terminated = false;
+
+		// Try to get everything in between slashes. A couple of
+		// cases aside (see scanUnexpectedChars) we don't really
+		// care whether the resulting expression is valid or not.
+		// We will check that later using the RegExp object.
+
+		while (index < length) {
+			char = this.peek(index);
+			value += char;
+			body += char;
+
+			if (isCharSet) {
+				if (char === "]") {
+					if (this.peek(index - 1) !== "\\" || this.peek(index - 2) === "\\") {
+						isCharSet = false;
+					}
+				}
+
+				if (char === "\\") {
+					index += 1;
+					char = this.peek(index);
+					body += char;
+					value += char;
+
+					scanUnexpectedChars();
+				}
+
+				index += 1;
+				continue;
+			}
+
+			if (char === "\\") {
+				index += 1;
+				char = this.peek(index);
+				body += char;
+				value += char;
+
+				scanUnexpectedChars();
+
+				if (char === "/") {
+					index += 1;
+					continue;
+				}
+
+				if (char === "[") {
+					index += 1;
+					continue;
+				}
+			}
+
+			if (char === "[") {
+				isCharSet = true;
+				index += 1;
+				continue;
+			}
+
+			if (char === "/") {
+				body = body.substr(0, body.length - 1);
+				terminated = true;
+				index += 1;
+				break;
+			}
+
+			index += 1;
+		}
+
+		// A regular expression that was never closed is an
+		// error from which we cannot recover.
+
+		if (!terminated) {
+			this.trigger("error", {
+				code: "E015",
+				line: this.line,
+				character: this.from
+			});
+
+			return void this.trigger("fatal", {
+				line: this.line,
+				from: this.from
+			});
+		}
+
+		// Parse flags (if any).
+
+		while (index < length) {
+			char = this.peek(index);
+			if (!/[gim]/.test(char)) {
+				break;
+			}
+			flags.push(char);
+			value += char;
+			index += 1;
+		}
+
+		// Check regular expression for correctness.
+
+		try {
+			new RegExp(body, flags.join(""));
+		} catch (err) {
+			malformed = true;
+			this.trigger("error", {
+				code: "E016",
+				line: this.line,
+				character: this.char,
+				data: [ err.message ] // Platform dependent!
+			});
+		}
+
+		return {
+			type: Token.RegExp,
+			value: value,
+			flags: flags,
+			isMalformed: malformed
+		};
+	},
+
+	/*
+	 * Scan for any occurence of mixed tabs and spaces. If smarttabs option
+	 * is on, ignore tabs followed by spaces.
+	 *
+	 * Tabs followed by one space followed by a block comment are allowed.
+	 */
+	scanMixedSpacesAndTabs: function () {
+		var at, match;
+
+		if (state.option.smarttabs) {
+			// Negative look-behind for "//"
+			match = this.input.match(/(\/\/|^\s?\*)? \t/);
+			at = match && !match[1] ? 0 : -1;
+		} else {
+			at = this.input.search(/ \t|\t [^\*]/);
+		}
+
+		return at;
+	},
+
+	/*
+	 * Scan for characters that get silently deleted by one or more browsers.
+	 */
+	scanUnsafeChars: function () {
+		return this.input.search(reg.unsafeChars);
+	},
+
+	/*
+	 * Produce the next raw token or return 'null' if no tokens can be matched.
+	 * This method skips over all space characters.
+	 */
+	next: function (checks) {
+		this.from = this.char;
+
+		// Move to the next non-space character.
+		var start;
+		if (/\s/.test(this.peek())) {
+			start = this.char;
+
+			while (/\s/.test(this.peek())) {
+				this.from += 1;
+				this.skip();
+			}
+
+			if (this.peek() === "") { // EOL
+				if (!/^\s*$/.test(this.getLines()[this.line - 1]) && state.option.trailing) {
+					this.trigger("warning", { code: "W102", line: this.line, character: start });
+				}
+			}
+		}
+
+		// Methods that work with multi-line structures and move the
+		// character pointer.
+
+		var match = this.scanComments() ||
+			this.scanStringLiteral(checks);
+
+		if (match) {
+			return match;
+		}
+
+		// Methods that don't move the character pointer.
+
+		match =
+			this.scanRegExp() ||
+			this.scanPunctuator() ||
+			this.scanKeyword() ||
+			this.scanIdentifier() ||
+			this.scanNumericLiteral();
+
+		if (match) {
+			this.skip(match.value.length);
+			return match;
+		}
+
+		// No token could be matched, give up.
+
+		return null;
+	},
+
+	/*
+	 * Switch to the next line and reset all char pointers. Once
+	 * switched, this method also checks for mixed spaces and tabs
+	 * and other minor warnings.
+	 */
+	nextLine: function () {
+		var char;
+
+		if (this.line >= this.getLines().length) {
+			return false;
+		}
+
+		this.input = this.getLines()[this.line];
+		this.line += 1;
+		this.char = 1;
+		this.from = 1;
+
+		char = this.scanMixedSpacesAndTabs();
+		if (char >= 0) {
+			this.trigger("warning", { code: "W099", line: this.line, character: char + 1 });
+		}
+
+		this.input = this.input.replace(/\t/g, state.tab);
+		char = this.scanUnsafeChars();
+
+		if (char >= 0) {
+			this.trigger("warning", { code: "W100", line: this.line, character: char });
+		}
+
+		// If there is a limit on line length, warn when lines get too
+		// long.
+
+		if (state.option.maxlen && state.option.maxlen < this.input.length) {
+			this.trigger("warning", { code: "W101", line: this.line, character: this.input.length });
+		}
+
+		return true;
+	},
+
+	/*
+	 * This is simply a synonym for nextLine() method with a friendlier
+	 * public name.
+	 */
+	start: function () {
+		this.nextLine();
+	},
+
+	/*
+	 * Produce the next token. This function is called by advance() to get
+	 * the next token. It retuns a token in a JSLint-compatible format.
+	 */
+	token: function () {
+		/*jshint loopfunc:true */
+		var checks = asyncTrigger();
+		var token;
+
+
+		function isReserved(token, isProperty) {
+			if (!token.reserved) {
+				return false;
+			}
+			var meta = token.meta;
+
+			if (meta && meta.isFutureReservedWord && state.option.inES5()) {
+				// ES3 FutureReservedWord in an ES5 environment.
+				if (!meta.es5) {
+					return false;
+				}
+
+				// Some ES5 FutureReservedWord identifiers are active only
+				// within a strict mode environment.
+				if (meta.strictOnly) {
+					if (!state.option.strict && !state.directive["use strict"]) {
+						return false;
+					}
+				}
+
+				if (isProperty) {
+					return false;
+				}
+			}
+
+			return true;
+		}
+
+		// Produce a token object.
+		var create = function (type, value, isProperty) {
+			/*jshint validthis:true */
+			var obj;
+
+			if (type !== "(endline)" && type !== "(end)") {
+				this.prereg = false;
+			}
+
+			if (type === "(punctuator)") {
+				switch (value) {
+				case ".":
+				case ")":
+				case "~":
+				case "#":
+				case "]":
+					this.prereg = false;
+					break;
+				default:
+					this.prereg = true;
+				}
+
+				obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
+			}
+
+			if (type === "(identifier)") {
+				if (value === "return" || value === "case" || value === "typeof") {
+					this.prereg = true;
+				}
+
+				if (_.has(state.syntax, value)) {
+					obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
+
+					// If this can't be a reserved keyword, reset the object.
+					if (!isReserved(obj, isProperty && type === "(identifier)")) {
+						obj = null;
+					}
+				}
+			}
+
+			if (!obj) {
+				obj = Object.create(state.syntax[type]);
+			}
+
+			obj.identifier = (type === "(identifier)");
+			obj.type = obj.type || type;
+			obj.value = value;
+			obj.line = this.line;
+			obj.character = this.char;
+			obj.from = this.from;
+
+			if (isProperty && obj.identifier) {
+				obj.isProperty = isProperty;
+			}
+
+			obj.check = checks.check;
+
+			return obj;
+		}.bind(this);
+
+		for (;;) {
+			if (!this.input.length) {
+				return create(this.nextLine() ? "(endline)" : "(end)", "");
+			}
+
+			token = this.next(checks);
+
+			if (!token) {
+				if (this.input.length) {
+					// Unexpected character.
+					this.trigger("error", {
+						code: "E024",
+						line: this.line,
+						character: this.char,
+						data: [ this.peek() ]
+					});
+
+					this.input = "";
+				}
+
+				continue;
+			}
+
+			switch (token.type) {
+			case Token.StringLiteral:
+				this.triggerAsync("String", {
+					line: this.line,
+					char: this.char,
+					from: this.from,
+					value: token.value,
+					quote: token.quote
+				}, checks, function () { return true; });
+
+				return create("(string)", token.value);
+			case Token.Identifier:
+				this.trigger("Identifier", {
+					line: this.line,
+					char: this.char,
+					from: this.form,
+					name: token.value,
+					isProperty: state.tokens.curr.id === "."
+				});
+
+				/* falls through */
+			case Token.Keyword:
+			case Token.NullLiteral:
+			case Token.BooleanLiteral:
+				return create("(identifier)", token.value, state.tokens.curr.id === ".");
+
+			case Token.NumericLiteral:
+				if (token.isMalformed) {
+					this.trigger("warning", {
+						code: "W045",
+						line: this.line,
+						character: this.char,
+						data: [ token.value ]
+					});
+				}
+
+				this.triggerAsync("warning", {
+					code: "W114",
+					line: this.line,
+					character: this.char,
+					data: [ "0x-" ]
+				}, checks, function () { return token.base === 16 && state.jsonMode; });
+
+				this.triggerAsync("warning", {
+					code: "W115",
+					line: this.line,
+					character: this.char
+				}, checks, function () {
+					return state.directive["use strict"] && token.base === 8; 
+				});
+
+				this.trigger("Number", {
+					line: this.line,
+					char: this.char,
+					from: this.from,
+					value: token.value,
+					base: token.base,
+					isMalformed: token.malformed
+				});
+
+				return create("(number)", token.value);
+
+			case Token.RegExp:
+				return create("(regexp)", token.value);
+
+			case Token.Comment:
+				state.tokens.curr.comment = true;
+
+				if (token.isSpecial) {
+					return {
+						value: token.value,
+						body: token.body,
+						type: token.commentType,
+						isSpecial: token.isSpecial,
+						line: this.line,
+						character: this.char,
+						from: this.from
+					};
+				}
+
+				break;
+
+			case "":
+				break;
+
+			default:
+				return create("(punctuator)", token.value);
+			}
+		}
+	}
+};
+
+exports.Lexer = Lexer;
+
+})()
+},{"events":2,"./state.js":6,"./reg.js":4,"underscore":10}],9:[function(require,module,exports){
+(function(global){/*global window, global*/
+var util = require("util")
+var assert = require("assert")
+
+var slice = Array.prototype.slice
+var console
+var times = {}
+
+if (typeof global !== "undefined" && global.console) {
+    console = global.console
+} else if (typeof window !== "undefined" && window.console) {
+    console = window.console
+} else {
+    console = window.console = {}
+}
+
+var functions = [
+    [log, "log"]
+    , [info, "info"]
+    , [warn, "warn"]
+    , [error, "error"]
+    , [time, "time"]
+    , [timeEnd, "timeEnd"]
+    , [trace, "trace"]
+    , [dir, "dir"]
+    , [assert, "assert"]
+]
+
+for (var i = 0; i < functions.length; i++) {
+    var tuple = functions[i]
+    var f = tuple[0]
+    var name = tuple[1]
+
+    if (!console[name]) {
+        console[name] = f
+    }
+}
+
+module.exports = console
+
+function log() {}
+
+function info() {
+    console.log.apply(console, arguments)
+}
+
+function warn() {
+    console.log.apply(console, arguments)
+}
+
+function error() {
+    console.warn.apply(console, arguments)
+}
+
+function time(label) {
+    times[label] = Date.now()
+}
+
+function timeEnd(label) {
+    var time = times[label]
+    if (!time) {
+        throw new Error("No such label: " + label)
+    }
+
+    var duration = Date.now() - time
+    console.log(label + ": " + duration + "ms")
+}
+
+function trace() {
+    var err = new Error()
+    err.name = "Trace"
+    err.message = util.format.apply(null, arguments)
+    console.error(err.stack)
+}
+
+function dir(object) {
+    console.log(util.inspect(object) + "\n")
+}
+
+function assert(expression) {
+    if (!expression) {
+        var arr = slice.call(arguments, 1)
+        assert.ok(false, util.format.apply(null, arr))
+    }
+}
+
+})(window)
+},{"util":11,"assert":12}],10:[function(require,module,exports){
+(function(){//     Underscore.js 1.4.4
+//     http://underscorejs.org
+//     (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
+//     Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `global` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Establish the object that gets returned to break out of a loop iteration.
+  var breaker = {};
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var push             = ArrayProto.push,
+      slice            = ArrayProto.slice,
+      concat           = ArrayProto.concat,
+      toString         = ObjProto.toString,
+      hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeForEach      = ArrayProto.forEach,
+    nativeMap          = ArrayProto.map,
+    nativeReduce       = ArrayProto.reduce,
+    nativeReduceRight  = ArrayProto.reduceRight,
+    nativeFilter       = ArrayProto.filter,
+    nativeEvery        = ArrayProto.every,
+    nativeSome         = ArrayProto.some,
+    nativeIndexOf      = ArrayProto.indexOf,
+    nativeLastIndexOf  = ArrayProto.lastIndexOf,
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind;
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object via a string identifier,
+  // for Closure Compiler "advanced" mode.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.4.4';
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles objects with the built-in `forEach`, arrays, and raw objects.
+  // Delegates to **ECMAScript 5**'s native `forEach` if available.
+  var each = _.each = _.forEach = function(obj, iterator, context) {
+    if (obj == null) return;
+    if (nativeForEach && obj.forEach === nativeForEach) {
+      obj.forEach(iterator, context);
+    } else if (obj.length === +obj.length) {
+      for (var i = 0, l = obj.length; i < l; i++) {
+        if (iterator.call(context, obj[i], i, obj) === breaker) return;
+      }
+    } else {
+      for (var key in obj) {
+        if (_.has(obj, key)) {
+          if (iterator.call(context, obj[key], key, obj) === breaker) return;
+        }
+      }
+    }
+  };
+
+  // Return the results of applying the iterator to each element.
+  // Delegates to **ECMAScript 5**'s native `map` if available.
+  _.map = _.collect = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+    each(obj, function(value, index, list) {
+      results[results.length] = iterator.call(context, value, index, list);
+    });
+    return results;
+  };
+
+  var reduceError = 'Reduce of empty array with no initial value';
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduce && obj.reduce === nativeReduce) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+    }
+    each(obj, function(value, index, list) {
+      if (!initial) {
+        memo = value;
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, value, index, list);
+      }
+    });
+    if (!initial) throw new TypeError(reduceError);
+    return memo;
+  };
+
+  // The right-associative version of reduce, also known as `foldr`.
+  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+    var initial = arguments.length > 2;
+    if (obj == null) obj = [];
+    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+    }
+    var length = obj.length;
+    if (length !== +length) {
+      var keys = _.keys(obj);
+      length = keys.length;
+    }
+    each(obj, function(value, index, list) {
+      index = keys ? keys[--length] : --length;
+      if (!initial) {
+        memo = obj[index];
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, obj[index], index, list);
+      }
+    });
+    if (!initial) throw new TypeError(reduceError);
+    return memo;
+  };
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, iterator, context) {
+    var result;
+    any(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) {
+        result = value;
+        return true;
+      }
+    });
+    return result;
+  };
+
+  // Return all the elements that pass a truth test.
+  // Delegates to **ECMAScript 5**'s native `filter` if available.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+    each(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, iterator, context) {
+    return _.filter(obj, function(value, index, list) {
+      return !iterator.call(context, value, index, list);
+    }, context);
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Delegates to **ECMAScript 5**'s native `every` if available.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, iterator, context) {
+    iterator || (iterator = _.identity);
+    var result = true;
+    if (obj == null) return result;
+    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+    each(obj, function(value, index, list) {
+      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+    });
+    return !!result;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Delegates to **ECMAScript 5**'s native `some` if available.
+  // Aliased as `any`.
+  var any = _.some = _.any = function(obj, iterator, context) {
+    iterator || (iterator = _.identity);
+    var result = false;
+    if (obj == null) return result;
+    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+    each(obj, function(value, index, list) {
+      if (result || (result = iterator.call(context, value, index, list))) return breaker;
+    });
+    return !!result;
+  };
+
+  // Determine if the array or object contains a given value (using `===`).
+  // Aliased as `include`.
+  _.contains = _.include = function(obj, target) {
+    if (obj == null) return false;
+    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+    return any(obj, function(value) {
+      return value === target;
+    });
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
+    return _.map(obj, function(value) {
+      return (isFunc ? method : value[method]).apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, function(value){ return value[key]; });
+  };
+
+  // Convenience version of a common use case of `filter`: selecting only objects
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs, first) {
+    if (_.isEmpty(attrs)) return first ? null : [];
+    return _[first ? 'find' : 'filter'](obj, function(value) {
+      for (var key in attrs) {
+        if (attrs[key] !== value[key]) return false;
+      }
+      return true;
+    });
+  };
+
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.where(obj, attrs, true);
+  };
+
+  // Return the maximum element or (element-based computation).
+  // Can't optimize arrays of integers longer than 65,535 elements.
+  // See: https://bugs.webkit.org/show_bug.cgi?id=80797
+  _.max = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+      return Math.max.apply(Math, obj);
+    }
+    if (!iterator && _.isEmpty(obj)) return -Infinity;
+    var result = {computed : -Infinity, value: -Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed >= result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+      return Math.min.apply(Math, obj);
+    }
+    if (!iterator && _.isEmpty(obj)) return Infinity;
+    var result = {computed : Infinity, value: Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed < result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Shuffle an array.
+  _.shuffle = function(obj) {
+    var rand;
+    var index = 0;
+    var shuffled = [];
+    each(obj, function(value) {
+      rand = _.random(index++);
+      shuffled[index - 1] = shuffled[rand];
+      shuffled[rand] = value;
+    });
+    return shuffled;
+  };
+
+  // An internal function to generate lookup iterators.
+  var lookupIterator = function(value) {
+    return _.isFunction(value) ? value : function(obj){ return obj[value]; };
+  };
+
+  // Sort the object's values by a criterion produced by an iterator.
+  _.sortBy = function(obj, value, context) {
+    var iterator = lookupIterator(value);
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value : value,
+        index : index,
+        criteria : iterator.call(context, value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria;
+      var b = right.criteria;
+      if (a !== b) {
+        if (a > b || a === void 0) return 1;
+        if (a < b || b === void 0) return -1;
+      }
+      return left.index < right.index ? -1 : 1;
+    }), 'value');
+  };
+
+  // An internal function used for aggregate "group by" operations.
+  var group = function(obj, value, context, behavior) {
+    var result = {};
+    var iterator = lookupIterator(value || _.identity);
+    each(obj, function(value, index) {
+      var key = iterator.call(context, value, index, obj);
+      behavior(result, key, value);
+    });
+    return result;
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = function(obj, value, context) {
+    return group(obj, value, context, function(result, key, value) {
+      (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
+    });
+  };
+
+  // Counts instances of an object that group by a certain criterion. Pass
+  // either a string attribute to count by, or a function that returns the
+  // criterion.
+  _.countBy = function(obj, value, context) {
+    return group(obj, value, context, function(result, key) {
+      if (!_.has(result, key)) result[key] = 0;
+      result[key]++;
+    });
+  };
+
+  // Use a comparator function to figure out the smallest index at which
+  // an object should be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iterator, context) {
+    iterator = iterator == null ? _.identity : lookupIterator(iterator);
+    var value = iterator.call(context, obj);
+    var low = 0, high = array.length;
+    while (low < high) {
+      var mid = (low + high) >>> 1;
+      iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
+    }
+    return low;
+  };
+
+  // Safely convert anything iterable into a real, live array.
+  _.toArray = function(obj) {
+    if (!obj) return [];
+    if (_.isArray(obj)) return slice.call(obj);
+    if (obj.length === +obj.length) return _.map(obj, _.identity);
+    return _.values(obj);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    if (obj == null) return 0;
+    return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head` and `take`. The **guard** check
+  // allows it to work with `_.map`.
+  _.first = _.head = _.take = function(array, n, guard) {
+    if (array == null) return void 0;
+    return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
+  };
+
+  // Returns everything but the last entry of the array. Especially useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N. The **guard** check allows it to work with
+  // `_.map`.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array. The **guard** check allows it to work with `_.map`.
+  _.last = function(array, n, guard) {
+    if (array == null) return void 0;
+    if ((n != null) && !guard) {
+      return slice.call(array, Math.max(array.length - n, 0));
+    } else {
+      return array[array.length - 1];
+    }
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+  // Especially useful on the arguments object. Passing an **n** will return
+  // the rest N values in the array. The **guard**
+  // check allows it to work with `_.map`.
+  _.rest = _.tail = _.drop = function(array, n, guard) {
+    return slice.call(array, (n == null) || guard ? 1 : n);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, _.identity);
+  };
+
+  // Internal implementation of a recursive `flatten` function.
+  var flatten = function(input, shallow, output) {
+    each(input, function(value) {
+      if (_.isArray(value)) {
+        shallow ? push.apply(output, value) : flatten(value, shallow, output);
+      } else {
+        output.push(value);
+      }
+    });
+    return output;
+  };
+
+  // Return a completely flattened version of an array.
+  _.flatten = function(array, shallow) {
+    return flatten(array, shallow, []);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iterator, context) {
+    if (_.isFunction(isSorted)) {
+      context = iterator;
+      iterator = isSorted;
+      isSorted = false;
+    }
+    var initial = iterator ? _.map(array, iterator, context) : array;
+    var results = [];
+    var seen = [];
+    each(initial, function(value, index) {
+      if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
+        seen.push(value);
+        results.push(array[index]);
+      }
+    });
+    return results;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(concat.apply(ArrayProto, arguments));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersection = function(array) {
+    var rest = slice.call(arguments, 1);
+    return _.filter(_.uniq(array), function(item) {
+      return _.every(rest, function(other) {
+        return _.indexOf(other, item) >= 0;
+      });
+    });
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
+    return _.filter(array, function(value){ return !_.contains(rest, value); });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    var args = slice.call(arguments);
+    var length = _.max(_.pluck(args, 'length'));
+    var results = new Array(length);
+    for (var i = 0; i < length; i++) {
+      results[i] = _.pluck(args, "" + i);
+    }
+    return results;
+  };
+
+  // Converts lists into objects. Pass either a single array of `[key, value]`
+  // pairs, or two parallel arrays of the same length -- one of keys, and one of
+  // the corresponding values.
+  _.object = function(list, values) {
+    if (list == null) return {};
+    var result = {};
+    for (var i = 0, l = list.length; i < l; i++) {
+      if (values) {
+        result[list[i]] = values[i];
+      } else {
+        result[list[i][0]] = list[i][1];
+      }
+    }
+    return result;
+  };
+
+  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+  // we need this function. Return the position of the first occurrence of an
+  // item in an array, or -1 if the item is not included in the array.
+  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = function(array, item, isSorted) {
+    if (array == null) return -1;
+    var i = 0, l = array.length;
+    if (isSorted) {
+      if (typeof isSorted == 'number') {
+        i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
+      } else {
+        i = _.sortedIndex(array, item);
+        return array[i] === item ? i : -1;
+      }
+    }
+    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
+    for (; i < l; i++) if (array[i] === item) return i;
+    return -1;
+  };
+
+  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+  _.lastIndexOf = function(array, item, from) {
+    if (array == null) return -1;
+    var hasIndex = from != null;
+    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
+      return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
+    }
+    var i = (hasIndex ? from : array.length);
+    while (i--) if (array[i] === item) return i;
+    return -1;
+  };
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (arguments.length <= 1) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = arguments[2] || 1;
+
+    var len = Math.max(Math.ceil((stop - start) / step), 0);
+    var idx = 0;
+    var range = new Array(len);
+
+    while(idx < len) {
+      range[idx++] = start;
+      start += step;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
+  _.bind = function(func, context) {
+    if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    var args = slice.call(arguments, 2);
+    return function() {
+      return func.apply(context, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context.
+  _.partial = function(func) {
+    var args = slice.call(arguments, 1);
+    return function() {
+      return func.apply(this, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Bind all of an object's methods to that object. Useful for ensuring that
+  // all callbacks defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var funcs = slice.call(arguments, 1);
+    if (funcs.length === 0) funcs = _.functions(obj);
+    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memo = {};
+    hasher || (hasher = _.identity);
+    return function() {
+      var key = hasher.apply(this, arguments);
+      return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
+    };
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){ return func.apply(null, args); }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = function(func) {
+    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+  };
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time.
+  _.throttle = function(func, wait) {
+    var context, args, timeout, result;
+    var previous = 0;
+    var later = function() {
+      previous = new Date;
+      timeout = null;
+      result = func.apply(context, args);
+    };
+    return function() {
+      var now = new Date;
+      var remaining = wait - (now - previous);
+      context = this;
+      args = arguments;
+      if (remaining <= 0) {
+        clearTimeout(timeout);
+        timeout = null;
+        previous = now;
+        result = func.apply(context, args);
+      } else if (!timeout) {
+        timeout = setTimeout(later, remaining);
+      }
+      return result;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds. If `immediate` is passed, trigger the function on the
+  // leading edge, instead of the trailing.
+  _.debounce = function(func, wait, immediate) {
+    var timeout, result;
+    return function() {
+      var context = this, args = arguments;
+      var later = function() {
+        timeout = null;
+        if (!immediate) result = func.apply(context, args);
+      };
+      var callNow = immediate && !timeout;
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+      if (callNow) result = func.apply(context, args);
+      return result;
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = function(func) {
+    var ran = false, memo;
+    return function() {
+      if (ran) return memo;
+      ran = true;
+      memo = func.apply(this, arguments);
+      func = null;
+      return memo;
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return function() {
+      var args = [func];
+      push.apply(args, arguments);
+      return wrapper.apply(this, args);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var funcs = arguments;
+    return function() {
+      var args = arguments;
+      for (var i = funcs.length - 1; i >= 0; i--) {
+        args = [funcs[i].apply(this, args)];
+      }
+      return args[0];
+    };
+  };
+
+  // Returns a function that will only be executed after being called N times.
+  _.after = function(times, func) {
+    if (times <= 0) return func();
+    return function() {
+      if (--times < 1) {
+        return func.apply(this, arguments);
+      }
+    };
+  };
+
+  // Object Functions
+  // ----------------
+
+  // Retrieve the names of an object's properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = nativeKeys || function(obj) {
+    if (obj !== Object(obj)) throw new TypeError('Invalid object');
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    var values = [];
+    for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
+    return values;
+  };
+
+  // Convert an object into a list of `[key, value]` pairs.
+  _.pairs = function(obj) {
+    var pairs = [];
+    for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
+    return pairs;
+  };
+
+  // Invert the keys and values of an object. The values must be serializable.
+  _.invert = function(obj) {
+    var result = {};
+    for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
+    return result;
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      if (source) {
+        for (var prop in source) {
+          obj[prop] = source[prop];
+        }
+      }
+    });
+    return obj;
+  };
+
+  // Return a copy of the object only containing the whitelisted properties.
+  _.pick = function(obj) {
+    var copy = {};
+    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+    each(keys, function(key) {
+      if (key in obj) copy[key] = obj[key];
+    });
+    return copy;
+  };
+
+   // Return a copy of the object without the blacklisted properties.
+  _.omit = function(obj) {
+    var copy = {};
+    var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+    for (var key in obj) {
+      if (!_.contains(keys, key)) copy[key] = obj[key];
+    }
+    return copy;
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      if (source) {
+        for (var prop in source) {
+          if (obj[prop] == null) obj[prop] = source[prop];
+        }
+      }
+    });
+    return obj;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Internal recursive comparison function for `isEqual`.
+  var eq = function(a, b, aStack, bStack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+    if (a === b) return a !== 0 || 1 / a == 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className != toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, dates, and booleans are compared by value.
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return a == String(b);
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
+        // other numeric values.
+        return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a == +b;
+      // RegExps are compared by their source patterns and flags.
+      case '[object RegExp]':
+        return a.source == b.source &&
+               a.global == b.global &&
+               a.multiline == b.multiline &&
+               a.ignoreCase == b.ignoreCase;
+    }
+    if (typeof a != 'object' || typeof b != 'object') return false;
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+    var length = aStack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (aStack[length] == a) return bStack[length] == b;
+    }
+    // Add the first object to the stack of traversed objects.
+    aStack.push(a);
+    bStack.push(b);
+    var size = 0, result = true;
+    // Recursively compare objects and arrays.
+    if (className == '[object Array]') {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      size = a.length;
+      result = size == b.length;
+      if (result) {
+        // Deep compare the contents, ignoring non-numeric properties.
+        while (size--) {
+          if (!(result = eq(a[size], b[size], aStack, bStack))) break;
+        }
+      }
+    } else {
+      // Objects with different constructors are not equivalent, but `Object`s
+      // from different frames are.
+      var aCtor = a.constructor, bCtor = b.constructor;
+      if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
+                               _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
+        return false;
+      }
+      // Deep compare objects.
+      for (var key in a) {
+        if (_.has(a, key)) {
+          // Count the expected number of properties.
+          size++;
+          // Deep compare each member.
+          if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
+        }
+      }
+      // Ensure that both objects contain the same number of properties.
+      if (result) {
+        for (key in b) {
+          if (_.has(b, key) && !(size--)) break;
+        }
+        result = !size;
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    aStack.pop();
+    bStack.pop();
+    return result;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b, [], []);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (obj == null) return true;
+    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+    for (var key in obj) if (_.has(obj, key)) return false;
+    return true;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType === 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) == '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    return obj === Object(obj);
+  };
+
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
+  each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
+    _['is' + name] = function(obj) {
+      return toString.call(obj) == '[object ' + name + ']';
+    };
+  });
+
+  // Define a fallback version of the method in browsers (ahem, IE), where
+  // there isn't any inspectable "Arguments" type.
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return !!(obj && _.has(obj, 'callee'));
+    };
+  }
+
+  // Optimize `isFunction` if appropriate.
+  if (typeof (/./) !== 'function') {
+    _.isFunction = function(obj) {
+      return typeof obj === 'function';
+    };
+  }
+
+  // Is a given object a finite number?
+  _.isFinite = function(obj) {
+    return isFinite(obj) && !isNaN(parseFloat(obj));
+  };
+
+  // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+  _.isNaN = function(obj) {
+    return _.isNumber(obj) && obj != +obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Shortcut function for checking if an object has a given property directly
+  // on itself (in other words, not on a prototype).
+  _.has = function(obj, key) {
+    return hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iterators.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Run a function **n** times.
+  _.times = function(n, iterator, context) {
+    var accum = Array(n);
+    for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
+    return accum;
+  };
+
+  // Return a random integer between min and max (inclusive).
+  _.random = function(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  };
+
+  // List of HTML entities for escaping.
+  var entityMap = {
+    escape: {
+      '&': '&amp;',
+      '<': '&lt;',
+      '>': '&gt;',
+      '"': '&quot;',
+      "'": '&#x27;',
+      '/': '&#x2F;'
+    }
+  };
+  entityMap.unescape = _.invert(entityMap.escape);
+
+  // Regexes containing the keys and values listed immediately above.
+  var entityRegexes = {
+    escape:   new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
+    unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
+  };
+
+  // Functions for escaping and unescaping strings to/from HTML interpolation.
+  _.each(['escape', 'unescape'], function(method) {
+    _[method] = function(string) {
+      if (string == null) return '';
+      return ('' + string).replace(entityRegexes[method], function(match) {
+        return entityMap[method][match];
+      });
+    };
+  });
+
+  // If the value of the named property is a function then invoke it;
+  // otherwise, return it.
+  _.result = function(object, property) {
+    if (object == null) return null;
+    var value = object[property];
+    return _.isFunction(value) ? value.call(object) : value;
+  };
+
+  // Add your own custom functions to the Underscore object.
+  _.mixin = function(obj) {
+    each(_.functions(obj), function(name){
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = [this._wrapped];
+        push.apply(args, arguments);
+        return result.call(this, func.apply(_, args));
+      };
+    });
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = ++idCounter + '';
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /(.)^/;
+
+  // Certain characters need to be escaped so that they can be put into a
+  // string literal.
+  var escapes = {
+    "'":      "'",
+    '\\':     '\\',
+    '\r':     'r',
+    '\n':     'n',
+    '\t':     't',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  _.template = function(text, data, settings) {
+    var render;
+    settings = _.defaults({}, settings, _.templateSettings);
+
+    // Combine delimiters into one regular expression via alternation.
+    var matcher = new RegExp([
+      (settings.escape || noMatch).source,
+      (settings.interpolate || noMatch).source,
+      (settings.evaluate || noMatch).source
+    ].join('|') + '|$', 'g');
+
+    // Compile the template source, escaping string literals appropriately.
+    var index = 0;
+    var source = "__p+='";
+    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+      source += text.slice(index, offset)
+        .replace(escaper, function(match) { return '\\' + escapes[match]; });
+
+      if (escape) {
+        source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+      }
+      if (interpolate) {
+        source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+      }
+      if (evaluate) {
+        source += "';\n" + evaluate + "\n__p+='";
+      }
+      index = offset + match.length;
+      return match;
+    });
+    source += "';\n";
+
+    // If a variable is not specified, place data values in local scope.
+    if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+    source = "var __t,__p='',__j=Array.prototype.join," +
+      "print=function(){__p+=__j.call(arguments,'');};\n" +
+      source + "return __p;\n";
+
+    try {
+      render = new Function(settings.variable || 'obj', '_', source);
+    } catch (e) {
+      e.source = source;
+      throw e;
+    }
+
+    if (data) return render(data, _);
+    var template = function(data) {
+      return render.call(this, data, _);
+    };
+
+    // Provide the compiled function source as a convenience for precompilation.
+    template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
+
+    return template;
+  };
+
+  // Add a "chain" function, which will delegate to the wrapper.
+  _.chain = function(obj) {
+    return _(obj).chain();
+  };
+
+  // OOP
+  // ---------------
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(obj) {
+    return this._chain ? _(obj).chain() : obj;
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      var obj = this._wrapped;
+      method.apply(obj, arguments);
+      if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
+      return result.call(this, obj);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      return result.call(this, method.apply(this._wrapped, arguments));
+    };
+  });
+
+  _.extend(_.prototype, {
+
+    // Start chaining a wrapped Underscore object.
+    chain: function() {
+      this._chain = true;
+      return this;
+    },
+
+    // Extracts the result from a wrapped and chained object.
+    value: function() {
+      return this._wrapped;
+    }
+
+  });
+
+}).call(this);
+
+})()
+},{}],11:[function(require,module,exports){
+var events = require('events');
+
+exports.isArray = isArray;
+exports.isDate = function(obj){return Object.prototype.toString.call(obj) === '[object Date]'};
+exports.isRegExp = function(obj){return Object.prototype.toString.call(obj) === '[object RegExp]'};
+
+
+exports.print = function () {};
+exports.puts = function () {};
+exports.debug = function() {};
+
+exports.inspect = function(obj, showHidden, depth, colors) {
+  var seen = [];
+
+  var stylize = function(str, styleType) {
+    // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+    var styles =
+        { 'bold' : [1, 22],
+          'italic' : [3, 23],
+          'underline' : [4, 24],
+          'inverse' : [7, 27],
+          'white' : [37, 39],
+          'grey' : [90, 39],
+          'black' : [30, 39],
+          'blue' : [34, 39],
+          'cyan' : [36, 39],
+          'green' : [32, 39],
+          'magenta' : [35, 39],
+          'red' : [31, 39],
+          'yellow' : [33, 39] };
+
+    var style =
+        { 'special': 'cyan',
+          'number': 'blue',
+          'boolean': 'yellow',
+          'undefined': 'grey',
+          'null': 'bold',
+          'string': 'green',
+          'date': 'magenta',
+          // "name": intentionally not styling
+          'regexp': 'red' }[styleType];
+
+    if (style) {
+      return '\033[' + styles[style][0] + 'm' + str +
+             '\033[' + styles[style][1] + 'm';
+    } else {
+      return str;
+    }
+  };
+  if (! colors) {
+    stylize = function(str, styleType) { return str; };
+  }
+
+  function format(value, recurseTimes) {
+    // Provide a hook for user-specified inspect functions.
+    // Check that value is an object with an inspect function on it
+    if (value && typeof value.inspect === 'function' &&
+        // Filter out the util module, it's inspect function is special
+        value !== exports &&
+        // Also filter out any prototype objects using the circular check.
+        !(value.constructor && value.constructor.prototype === value)) {
+      return value.inspect(recurseTimes);
+    }
+
+    // Primitive types cannot have properties
+    switch (typeof value) {
+      case 'undefined':
+        return stylize('undefined', 'undefined');
+
+      case 'string':
+        var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+                                                 .replace(/'/g, "\\'")
+                                                 .replace(/\\"/g, '"') + '\'';
+        return stylize(simple, 'string');
+
+      case 'number':
+        return stylize('' + value, 'number');
+
+      case 'boolean':
+        return stylize('' + value, 'boolean');
+    }
+    // For some reason typeof null is "object", so special case here.
+    if (value === null) {
+      return stylize('null', 'null');
+    }
+
+    // Look up the keys of the object.
+    var visible_keys = Object_keys(value);
+    var keys = showHidden ? Object_getOwnPropertyNames(value) : visible_keys;
+
+    // Functions without properties can be shortcutted.
+    if (typeof value === 'function' && keys.length === 0) {
+      if (isRegExp(value)) {
+        return stylize('' + value, 'regexp');
+      } else {
+        var name = value.name ? ': ' + value.name : '';
+        return stylize('[Function' + name + ']', 'special');
+      }
+    }
+
+    // Dates without properties can be shortcutted
+    if (isDate(value) && keys.length === 0) {
+      return stylize(value.toUTCString(), 'date');
+    }
+
+    var base, type, braces;
+    // Determine the object type
+    if (isArray(value)) {
+      type = 'Array';
+      braces = ['[', ']'];
+    } else {
+      type = 'Object';
+      braces = ['{', '}'];
+    }
+
+    // Make functions say that they are functions
+    if (typeof value === 'function') {
+      var n = value.name ? ': ' + value.name : '';
+      base = (isRegExp(value)) ? ' ' + value : ' [Function' + n + ']';
+    } else {
+      base = '';
+    }
+
+    // Make dates with properties first say the date
+    if (isDate(value)) {
+      base = ' ' + value.toUTCString();
+    }
+
+    if (keys.length === 0) {
+      return braces[0] + base + braces[1];
+    }
+
+    if (recurseTimes < 0) {
+      if (isRegExp(value)) {
+        return stylize('' + value, 'regexp');
+      } else {
+        return stylize('[Object]', 'special');
+      }
+    }
+
+    seen.push(value);
+
+    var output = keys.map(function(key) {
+      var name, str;
+      if (value.__lookupGetter__) {
+        if (value.__lookupGetter__(key)) {
+          if (value.__lookupSetter__(key)) {
+            str = stylize('[Getter/Setter]', 'special');
+          } else {
+            str = stylize('[Getter]', 'special');
+          }
+        } else {
+          if (value.__lookupSetter__(key)) {
+            str = stylize('[Setter]', 'special');
+          }
+        }
+      }
+      if (visible_keys.indexOf(key) < 0) {
+        name = '[' + key + ']';
+      }
+      if (!str) {
+        if (seen.indexOf(value[key]) < 0) {
+          if (recurseTimes === null) {
+            str = format(value[key]);
+          } else {
+            str = format(value[key], recurseTimes - 1);
+          }
+          if (str.indexOf('\n') > -1) {
+            if (isArray(value)) {
+              str = str.split('\n').map(function(line) {
+                return '  ' + line;
+              }).join('\n').substr(2);
+            } else {
+              str = '\n' + str.split('\n').map(function(line) {
+                return '   ' + line;
+              }).join('\n');
+            }
+          }
+        } else {
+          str = stylize('[Circular]', 'special');
+        }
+      }
+      if (typeof name === 'undefined') {
+        if (type === 'Array' && key.match(/^\d+$/)) {
+          return str;
+        }
+        name = JSON.stringify('' + key);
+        if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+          name = name.substr(1, name.length - 2);
+          name = stylize(name, 'name');
+        } else {
+          name = name.replace(/'/g, "\\'")
+                     .replace(/\\"/g, '"')
+                     .replace(/(^"|"$)/g, "'");
+          name = stylize(name, 'string');
+        }
+      }
+
+      return name + ': ' + str;
+    });
+
+    seen.pop();
+
+    var numLinesEst = 0;
+    var length = output.reduce(function(prev, cur) {
+      numLinesEst++;
+      if (cur.indexOf('\n') >= 0) numLinesEst++;
+      return prev + cur.length + 1;
+    }, 0);
+
+    if (length > 50) {
+      output = braces[0] +
+               (base === '' ? '' : base + '\n ') +
+               ' ' +
+               output.join(',\n  ') +
+               ' ' +
+               braces[1];
+
+    } else {
+      output = braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+    }
+
+    return output;
+  }
+  return format(obj, (typeof depth === 'undefined' ? 2 : depth));
+};
+
+
+function isArray(ar) {
+  return ar instanceof Array ||
+         Array.isArray(ar) ||
+         (ar && ar !== Object.prototype && isArray(ar.__proto__));
+}
+
+
+function isRegExp(re) {
+  return re instanceof RegExp ||
+    (typeof re === 'object' && Object.prototype.toString.call(re) === '[object RegExp]');
+}
+
+
+function isDate(d) {
+  if (d instanceof Date) return true;
+  if (typeof d !== 'object') return false;
+  var properties = Date.prototype && Object_getOwnPropertyNames(Date.prototype);
+  var proto = d.__proto__ && Object_getOwnPropertyNames(d.__proto__);
+  return JSON.stringify(proto) === JSON.stringify(properties);
+}
+
+function pad(n) {
+  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+              'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+  var d = new Date();
+  var time = [pad(d.getHours()),
+              pad(d.getMinutes()),
+              pad(d.getSeconds())].join(':');
+  return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+exports.log = function (msg) {};
+
+exports.pump = null;
+
+var Object_keys = Object.keys || function (obj) {
+    var res = [];
+    for (var key in obj) res.push(key);
+    return res;
+};
+
+var Object_getOwnPropertyNames = Object.getOwnPropertyNames || function (obj) {
+    var res = [];
+    for (var key in obj) {
+        if (Object.hasOwnProperty.call(obj, key)) res.push(key);
+    }
+    return res;
+};
+
+var Object_create = Object.create || function (prototype, properties) {
+    // from es5-shim
+    var object;
+    if (prototype === null) {
+        object = { '__proto__' : null };
+    }
+    else {
+        if (typeof prototype !== 'object') {
+            throw new TypeError(
+                'typeof prototype[' + (typeof prototype) + '] != \'object\''
+            );
+        }
+        var Type = function () {};
+        Type.prototype = prototype;
+        object = new Type();
+        object.__proto__ = prototype;
+    }
+    if (typeof properties !== 'undefined' && Object.defineProperties) {
+        Object.defineProperties(object, properties);
+    }
+    return object;
+};
+
+exports.inherits = function(ctor, superCtor) {
+  ctor.super_ = superCtor;
+  ctor.prototype = Object_create(superCtor.prototype, {
+    constructor: {
+      value: ctor,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+};
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function(f) {
+  if (typeof f !== 'string') {
+    var objects = [];
+    for (var i = 0; i < arguments.length; i++) {
+      objects.push(exports.inspect(arguments[i]));
+    }
+    return objects.join(' ');
+  }
+
+  var i = 1;
+  var args = arguments;
+  var len = args.length;
+  var str = String(f).replace(formatRegExp, function(x) {
+    if (x === '%%') return '%';
+    if (i >= len) return x;
+    switch (x) {
+      case '%s': return String(args[i++]);
+      case '%d': return Number(args[i++]);
+      case '%j': return JSON.stringify(args[i++]);
+      default:
+        return x;
+    }
+  });
+  for(var x = args[i]; i < len; x = args[++i]){
+    if (x === null || typeof x !== 'object') {
+      str += ' ' + x;
+    } else {
+      str += ' ' + exports.inspect(x);
+    }
+  }
+  return str;
+};
+
+},{"events":2}],12:[function(require,module,exports){
+(function(){// UTILITY
+var util = require('util');
+var Buffer = require("buffer").Buffer;
+var pSlice = Array.prototype.slice;
+
+function objectKeys(object) {
+  if (Object.keys) return Object.keys(object);
+  var result = [];
+  for (var name in object) {
+    if (Object.prototype.hasOwnProperty.call(object, name)) {
+      result.push(name);
+    }
+  }
+  return result;
+}
+
+// 1. The assert module provides functions that throw
+// AssertionError's when particular conditions are not met. The
+// assert module must conform to the following interface.
+
+var assert = module.exports = ok;
+
+// 2. The AssertionError is defined in assert.
+// new assert.AssertionError({ message: message,
+//                             actual: actual,
+//                             expected: expected })
+
+assert.AssertionError = function AssertionError(options) {
+  this.name = 'AssertionError';
+  this.message = options.message;
+  this.actual = options.actual;
+  this.expected = options.expected;
+  this.operator = options.operator;
+  var stackStartFunction = options.stackStartFunction || fail;
+
+  if (Error.captureStackTrace) {
+    Error.captureStackTrace(this, stackStartFunction);
+  }
+};
+util.inherits(assert.AssertionError, Error);
+
+function replacer(key, value) {
+  if (value === undefined) {
+    return '' + value;
+  }
+  if (typeof value === 'number' && (isNaN(value) || !isFinite(value))) {
+    return value.toString();
+  }
+  if (typeof value === 'function' || value instanceof RegExp) {
+    return value.toString();
+  }
+  return value;
+}
+
+function truncate(s, n) {
+  if (typeof s == 'string') {
+    return s.length < n ? s : s.slice(0, n);
+  } else {
+    return s;
+  }
+}
+
+assert.AssertionError.prototype.toString = function() {
+  if (this.message) {
+    return [this.name + ':', this.message].join(' ');
+  } else {
+    return [
+      this.name + ':',
+      truncate(JSON.stringify(this.actual, replacer), 128),
+      this.operator,
+      truncate(JSON.stringify(this.expected, replacer), 128)
+    ].join(' ');
+  }
+};
+
+// assert.AssertionError instanceof Error
+
+assert.AssertionError.__proto__ = Error.prototype;
+
+// At present only the three keys mentioned above are used and
+// understood by the spec. Implementations or sub modules can pass
+// other keys to the AssertionError's constructor - they will be
+// ignored.
+
+// 3. All of the following functions must throw an AssertionError
+// when a corresponding condition is not met, with a message that
+// may be undefined if not provided.  All assertion methods provide
+// both the actual and expected values to the assertion error for
+// display purposes.
+
+function fail(actual, expected, message, operator, stackStartFunction) {
+  throw new assert.AssertionError({
+    message: message,
+    actual: actual,
+    expected: expected,
+    operator: operator,
+    stackStartFunction: stackStartFunction
+  });
+}
+
+// EXTENSION! allows for well behaved errors defined elsewhere.
+assert.fail = fail;
+
+// 4. Pure assertion tests whether a value is truthy, as determined
+// by !!guard.
+// assert.ok(guard, message_opt);
+// This statement is equivalent to assert.equal(true, guard,
+// message_opt);. To test strictly for the value true, use
+// assert.strictEqual(true, guard, message_opt);.
+
+function ok(value, message) {
+  if (!!!value) fail(value, true, message, '==', assert.ok);
+}
+assert.ok = ok;
+
+// 5. The equality assertion tests shallow, coercive equality with
+// ==.
+// assert.equal(actual, expected, message_opt);
+
+assert.equal = function equal(actual, expected, message) {
+  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
+};
+
+// 6. The non-equality assertion tests for whether two objects are not equal
+// with != assert.notEqual(actual, expected, message_opt);
+
+assert.notEqual = function notEqual(actual, expected, message) {
+  if (actual == expected) {
+    fail(actual, expected, message, '!=', assert.notEqual);
+  }
+};
+
+// 7. The equivalence assertion tests a deep equality relation.
+// assert.deepEqual(actual, expected, message_opt);
+
+assert.deepEqual = function deepEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
+  }
+};
+
+function _deepEqual(actual, expected) {
+  // 7.1. All identical values are equivalent, as determined by ===.
+  if (actual === expected) {
+    return true;
+
+  } else if (Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
+    if (actual.length != expected.length) return false;
+
+    for (var i = 0; i < actual.length; i++) {
+      if (actual[i] !== expected[i]) return false;
+    }
+
+    return true;
+
+  // 7.2. If the expected value is a Date object, the actual value is
+  // equivalent if it is also a Date object that refers to the same time.
+  } else if (actual instanceof Date && expected instanceof Date) {
+    return actual.getTime() === expected.getTime();
+
+  // 7.3. Other pairs that do not both pass typeof value == 'object',
+  // equivalence is determined by ==.
+  } else if (typeof actual != 'object' && typeof expected != 'object') {
+    return actual == expected;
+
+  // 7.4. For all other Object pairs, including Array objects, equivalence is
+  // determined by having the same number of owned properties (as verified
+  // with Object.prototype.hasOwnProperty.call), the same set of keys
+  // (although not necessarily the same order), equivalent values for every
+  // corresponding key, and an identical 'prototype' property. Note: this
+  // accounts for both named and indexed properties on Arrays.
+  } else {
+    return objEquiv(actual, expected);
+  }
+}
+
+function isUndefinedOrNull(value) {
+  return value === null || value === undefined;
+}
+
+function isArguments(object) {
+  return Object.prototype.toString.call(object) == '[object Arguments]';
+}
+
+function objEquiv(a, b) {
+  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
+    return false;
+  // an identical 'prototype' property.
+  if (a.prototype !== b.prototype) return false;
+  //~~~I've managed to break Object.keys through screwy arguments passing.
+  //   Converting to array solves the problem.
+  if (isArguments(a)) {
+    if (!isArguments(b)) {
+      return false;
+    }
+    a = pSlice.call(a);
+    b = pSlice.call(b);
+    return _deepEqual(a, b);
+  }
+  try {
+    var ka = objectKeys(a),
+        kb = objectKeys(b),
+        key, i;
+  } catch (e) {//happens when one is a string literal and the other isn't
+    return false;
+  }
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (ka.length != kb.length)
+    return false;
+  //the same set of keys (although not necessarily the same order),
+  ka.sort();
+  kb.sort();
+  //~~~cheap key test
+  for (i = ka.length - 1; i >= 0; i--) {
+    if (ka[i] != kb[i])
+      return false;
+  }
+  //equivalent values for every corresponding key, and
+  //~~~possibly expensive deep test
+  for (i = ka.length - 1; i >= 0; i--) {
+    key = ka[i];
+    if (!_deepEqual(a[key], b[key])) return false;
+  }
+  return true;
+}
+
+// 8. The non-equivalence assertion tests for any deep inequality.
+// assert.notDeepEqual(actual, expected, message_opt);
+
+assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected)) {
+    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
+  }
+};
+
+// 9. The strict equality assertion tests strict equality, as determined by ===.
+// assert.strictEqual(actual, expected, message_opt);
+
+assert.strictEqual = function strictEqual(actual, expected, message) {
+  if (actual !== expected) {
+    fail(actual, expected, message, '===', assert.strictEqual);
+  }
+};
+
+// 10. The strict non-equality assertion tests for strict inequality, as
+// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);
+
+assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
+  if (actual === expected) {
+    fail(actual, expected, message, '!==', assert.notStrictEqual);
+  }
+};
+
+function expectedException(actual, expected) {
+  if (!actual || !expected) {
+    return false;
+  }
+
+  if (expected instanceof RegExp) {
+    return expected.test(actual);
+  } else if (actual instanceof expected) {
+    return true;
+  } else if (expected.call({}, actual) === true) {
+    return true;
+  }
+
+  return false;
+}
+
+function _throws(shouldThrow, block, expected, message) {
+  var actual;
+
+  if (typeof expected === 'string') {
+    message = expected;
+    expected = null;
+  }
+
+  try {
+    block();
+  } catch (e) {
+    actual = e;
+  }
+
+  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
+            (message ? ' ' + message : '.');
+
+  if (shouldThrow && !actual) {
+    fail('Missing expected exception' + message);
+  }
+
+  if (!shouldThrow && expectedException(actual, expected)) {
+    fail('Got unwanted exception' + message);
+  }
+
+  if ((shouldThrow && actual && expected &&
+      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
+    throw actual;
+  }
+}
+
+// 11. Expected to throw an error:
+// assert.throws(block, Error_opt, message_opt);
+
+assert.throws = function(block, /*optional*/error, /*optional*/message) {
+  _throws.apply(this, [true].concat(pSlice.call(arguments)));
+};
+
+// EXTENSION! This is annoying to write outside this module.
+assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
+  _throws.apply(this, [false].concat(pSlice.call(arguments)));
+};
+
+assert.ifError = function(err) { if (err) {throw err;}};
+
+})()
+},{"util":11,"buffer":13}],14:[function(require,module,exports){
+exports.readIEEE754 = function(buffer, offset, isBE, mLen, nBytes) {
+  var e, m,
+      eLen = nBytes * 8 - mLen - 1,
+      eMax = (1 << eLen) - 1,
+      eBias = eMax >> 1,
+      nBits = -7,
+      i = isBE ? 0 : (nBytes - 1),
+      d = isBE ? 1 : -1,
+      s = buffer[offset + i];
+
+  i += d;
+
+  e = s & ((1 << (-nBits)) - 1);
+  s >>= (-nBits);
+  nBits += eLen;
+  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8);
+
+  m = e & ((1 << (-nBits)) - 1);
+  e >>= (-nBits);
+  nBits += mLen;
+  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8);
+
+  if (e === 0) {
+    e = 1 - eBias;
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity);
+  } else {
+    m = m + Math.pow(2, mLen);
+    e = e - eBias;
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
+};
+
+exports.writeIEEE754 = function(buffer, value, offset, isBE, mLen, nBytes) {
+  var e, m, c,
+      eLen = nBytes * 8 - mLen - 1,
+      eMax = (1 << eLen) - 1,
+      eBias = eMax >> 1,
+      rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0),
+      i = isBE ? (nBytes - 1) : 0,
+      d = isBE ? -1 : 1,
+      s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
+
+  value = Math.abs(value);
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0;
+    e = eMax;
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2);
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--;
+      c *= 2;
+    }
+    if (e + eBias >= 1) {
+      value += rt / c;
+    } else {
+      value += rt * Math.pow(2, 1 - eBias);
+    }
+    if (value * c >= 2) {
+      e++;
+      c /= 2;
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0;
+      e = eMax;
+    } else if (e + eBias >= 1) {
+      m = (value * c - 1) * Math.pow(2, mLen);
+      e = e + eBias;
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+      e = 0;
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8);
+
+  e = (e << mLen) | m;
+  eLen += mLen;
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8);
+
+  buffer[offset + i - d] |= s * 128;
+};
+
+},{}],13:[function(require,module,exports){
+(function(){function SlowBuffer (size) {
+    this.length = size;
+};
+
+var assert = require('assert');
+
+exports.INSPECT_MAX_BYTES = 50;
+
+
+function toHex(n) {
+  if (n < 16) return '0' + n.toString(16);
+  return n.toString(16);
+}
+
+function utf8ToBytes(str) {
+  var byteArray = [];
+  for (var i = 0; i < str.length; i++)
+    if (str.charCodeAt(i) <= 0x7F)
+      byteArray.push(str.charCodeAt(i));
+    else {
+      var h = encodeURIComponent(str.charAt(i)).substr(1).split('%');
+      for (var j = 0; j < h.length; j++)
+        byteArray.push(parseInt(h[j], 16));
+    }
+
+  return byteArray;
+}
+
+function asciiToBytes(str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; i++ )
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push( str.charCodeAt(i) & 0xFF );
+
+  return byteArray;
+}
+
+function base64ToBytes(str) {
+  return require("base64-js").toByteArray(str);
+}
+
+SlowBuffer.byteLength = function (str, encoding) {
+  switch (encoding || "utf8") {
+    case 'hex':
+      return str.length / 2;
+
+    case 'utf8':
+    case 'utf-8':
+      return utf8ToBytes(str).length;
+
+    case 'ascii':
+    case 'binary':
+      return str.length;
+
+    case 'base64':
+      return base64ToBytes(str).length;
+
+    default:
+      throw new Error('Unknown encoding');
+  }
+};
+
+function blitBuffer(src, dst, offset, length) {
+  var pos, i = 0;
+  while (i < length) {
+    if ((i+offset >= dst.length) || (i >= src.length))
+      break;
+
+    dst[i + offset] = src[i];
+    i++;
+  }
+  return i;
+}
+
+SlowBuffer.prototype.utf8Write = function (string, offset, length) {
+  var bytes, pos;
+  return SlowBuffer._charsWritten =  blitBuffer(utf8ToBytes(string), this, offset, length);
+};
+
+SlowBuffer.prototype.asciiWrite = function (string, offset, length) {
+  var bytes, pos;
+  return SlowBuffer._charsWritten =  blitBuffer(asciiToBytes(string), this, offset, length);
+};
+
+SlowBuffer.prototype.binaryWrite = SlowBuffer.prototype.asciiWrite;
+
+SlowBuffer.prototype.base64Write = function (string, offset, length) {
+  var bytes, pos;
+  return SlowBuffer._charsWritten = blitBuffer(base64ToBytes(string), this, offset, length);
+};
+
+SlowBuffer.prototype.base64Slice = function (start, end) {
+  var bytes = Array.prototype.slice.apply(this, arguments)
+  return require("base64-js").fromByteArray(bytes);
+}
+
+function decodeUtf8Char(str) {
+  try {
+    return decodeURIComponent(str);
+  } catch (err) {
+    return String.fromCharCode(0xFFFD); // UTF 8 invalid char
+  }
+}
+
+SlowBuffer.prototype.utf8Slice = function () {
+  var bytes = Array.prototype.slice.apply(this, arguments);
+  var res = "";
+  var tmp = "";
+  var i = 0;
+  while (i < bytes.length) {
+    if (bytes[i] <= 0x7F) {
+      res += decodeUtf8Char(tmp) + String.fromCharCode(bytes[i]);
+      tmp = "";
+    } else
+      tmp += "%" + bytes[i].toString(16);
+
+    i++;
+  }
+
+  return res + decodeUtf8Char(tmp);
+}
+
+SlowBuffer.prototype.asciiSlice = function () {
+  var bytes = Array.prototype.slice.apply(this, arguments);
+  var ret = "";
+  for (var i = 0; i < bytes.length; i++)
+    ret += String.fromCharCode(bytes[i]);
+  return ret;
+}
+
+SlowBuffer.prototype.binarySlice = SlowBuffer.prototype.asciiSlice;
+
+SlowBuffer.prototype.inspect = function() {
+  var out = [],
+      len = this.length;
+  for (var i = 0; i < len; i++) {
+    out[i] = toHex(this[i]);
+    if (i == exports.INSPECT_MAX_BYTES) {
+      out[i + 1] = '...';
+      break;
+    }
+  }
+  return '<SlowBuffer ' + out.join(' ') + '>';
+};
+
+
+SlowBuffer.prototype.hexSlice = function(start, end) {
+  var len = this.length;
+
+  if (!start || start < 0) start = 0;
+  if (!end || end < 0 || end > len) end = len;
+
+  var out = '';
+  for (var i = start; i < end; i++) {
+    out += toHex(this[i]);
+  }
+  return out;
+};
+
+
+SlowBuffer.prototype.toString = function(encoding, start, end) {
+  encoding = String(encoding || 'utf8').toLowerCase();
+  start = +start || 0;
+  if (typeof end == 'undefined') end = this.length;
+
+  // Fastpath empty strings
+  if (+end == start) {
+    return '';
+  }
+
+  switch (encoding) {
+    case 'hex':
+      return this.hexSlice(start, end);
+
+    case 'utf8':
+    case 'utf-8':
+      return this.utf8Slice(start, end);
+
+    case 'ascii':
+      return this.asciiSlice(start, end);
+
+    case 'binary':
+      return this.binarySlice(start, end);
+
+    case 'base64':
+      return this.base64Slice(start, end);
+
+    case 'ucs2':
+    case 'ucs-2':
+      return this.ucs2Slice(start, end);
+
+    default:
+      throw new Error('Unknown encoding');
+  }
+};
+
+
+SlowBuffer.prototype.hexWrite = function(string, offset, length) {
+  offset = +offset || 0;
+  var remaining = this.length - offset;
+  if (!length) {
+    length = remaining;
+  } else {
+    length = +length;
+    if (length > remaining) {
+      length = remaining;
+    }
+  }
+
+  // must be an even number of digits
+  var strLen = string.length;
+  if (strLen % 2) {
+    throw new Error('Invalid hex string');
+  }
+  if (length > strLen / 2) {
+    length = strLen / 2;
+  }
+  for (var i = 0; i < length; i++) {
+    var byte = parseInt(string.substr(i * 2, 2), 16);
+    if (isNaN(byte)) throw new Error('Invalid hex string');
+    this[offset + i] = byte;
+  }
+  SlowBuffer._charsWritten = i * 2;
+  return i;
+};
+
+
+SlowBuffer.prototype.write = function(string, offset, length, encoding) {
+  // Support both (string, offset, length, encoding)
+  // and the legacy (string, encoding, offset, length)
+  if (isFinite(offset)) {
+    if (!isFinite(length)) {
+      encoding = length;
+      length = undefined;
+    }
+  } else {  // legacy
+    var swap = encoding;
+    encoding = offset;
+    offset = length;
+    length = swap;
+  }
+
+  offset = +offset || 0;
+  var remaining = this.length - offset;
+  if (!length) {
+    length = remaining;
+  } else {
+    length = +length;
+    if (length > remaining) {
+      length = remaining;
+    }
+  }
+  encoding = String(encoding || 'utf8').toLowerCase();
+
+  switch (encoding) {
+    case 'hex':
+      return this.hexWrite(string, offset, length);
+
+    case 'utf8':
+    case 'utf-8':
+      return this.utf8Write(string, offset, length);
+
+    case 'ascii':
+      return this.asciiWrite(string, offset, length);
+
+    case 'binary':
+      return this.binaryWrite(string, offset, length);
+
+    case 'base64':
+      return this.base64Write(string, offset, length);
+
+    case 'ucs2':
+    case 'ucs-2':
+      return this.ucs2Write(string, offset, length);
+
+    default:
+      throw new Error('Unknown encoding');
+  }
+};
+
+
+// slice(start, end)
+SlowBuffer.prototype.slice = function(start, end) {
+  if (end === undefined) end = this.length;
+
+  if (end > this.length) {
+    throw new Error('oob');
+  }
+  if (start > end) {
+    throw new Error('oob');
+  }
+
+  return new Buffer(this, end - start, +start);
+};
+
+SlowBuffer.prototype.copy = function(target, targetstart, sourcestart, sourceend) {
+  var temp = [];
+  for (var i=sourcestart; i<sourceend; i++) {
+    assert.ok(typeof this[i] !== 'undefined', "copying undefined buffer bytes!");
+    temp.push(this[i]);
+  }
+
+  for (var i=targetstart; i<targetstart+temp.length; i++) {
+    target[i] = temp[i-targetstart];
+  }
+};
+
+SlowBuffer.prototype.fill = function(value, start, end) {
+  if (end > this.length) {
+    throw new Error('oob');
+  }
+  if (start > end) {
+    throw new Error('oob');
+  }
+
+  for (var i = start; i < end; i++) {
+    this[i] = value;
+  }
+}
+
+function coerce(length) {
+  // Coerce length to a number (possibly NaN), round up
+  // in case it's fractional (e.g. 123.456) then do a
+  // double negate to coerce a NaN to 0. Easy, right?
+  length = ~~Math.ceil(+length);
+  return length < 0 ? 0 : length;
+}
+
+
+// Buffer
+
+function Buffer(subject, encoding, offset) {
+  if (!(this instanceof Buffer)) {
+    return new Buffer(subject, encoding, offset);
+  }
+
+  var type;
+
+  // Are we slicing?
+  if (typeof offset === 'number') {
+    this.length = coerce(encoding);
+    this.parent = subject;
+    this.offset = offset;
+  } else {
+    // Find the length
+    switch (type = typeof subject) {
+      case 'number':
+        this.length = coerce(subject);
+        break;
+
+      case 'string':
+        this.length = Buffer.byteLength(subject, encoding);
+        break;
+
+      case 'object': // Assume object is an array
+        this.length = coerce(subject.length);
+        break;
+
+      default:
+        throw new Error('First argument needs to be a number, ' +
+                        'array or string.');
+    }
+
+    if (this.length > Buffer.poolSize) {
+      // Big buffer, just alloc one.
+      this.parent = new SlowBuffer(this.length);
+      this.offset = 0;
+
+    } else {
+      // Small buffer.
+      if (!pool || pool.length - pool.used < this.length) allocPool();
+      this.parent = pool;
+      this.offset = pool.used;
+      pool.used += this.length;
+    }
+
+    // Treat array-ish objects as a byte array.
+    if (isArrayIsh(subject)) {
+      for (var i = 0; i < this.length; i++) {
+        if (subject instanceof Buffer) {
+          this.parent[i + this.offset] = subject.readUInt8(i);
+        }
+        else {
+          this.parent[i + this.offset] = subject[i];
+        }
+      }
+    } else if (type == 'string') {
+      // We are a string
+      this.length = this.write(subject, 0, encoding);
+    }
+  }
+
+}
+
+function isArrayIsh(subject) {
+  return Array.isArray(subject) || Buffer.isBuffer(subject) ||
+         subject && typeof subject === 'object' &&
+         typeof subject.length === 'number';
+}
+
+exports.SlowBuffer = SlowBuffer;
+exports.Buffer = Buffer;
+
+Buffer.poolSize = 8 * 1024;
+var pool;
+
+function allocPool() {
+  pool = new SlowBuffer(Buffer.poolSize);
+  pool.used = 0;
+}
+
+
+// Static methods
+Buffer.isBuffer = function isBuffer(b) {
+  return b instanceof Buffer || b instanceof SlowBuffer;
+};
+
+Buffer.concat = function (list, totalLength) {
+  if (!Array.isArray(list)) {
+    throw new Error("Usage: Buffer.concat(list, [totalLength])\n \
+      list should be an Array.");
+  }
+
+  if (list.length === 0) {
+    return new Buffer(0);
+  } else if (list.length === 1) {
+    return list[0];
+  }
+
+  if (typeof totalLength !== 'number') {
+    totalLength = 0;
+    for (var i = 0; i < list.length; i++) {
+      var buf = list[i];
+      totalLength += buf.length;
+    }
+  }
+
+  var buffer = new Buffer(totalLength);
+  var pos = 0;
+  for (var i = 0; i < list.length; i++) {
+    var buf = list[i];
+    buf.copy(buffer, pos);
+    pos += buf.length;
+  }
+  return buffer;
+};
+
+// Inspect
+Buffer.prototype.inspect = function inspect() {
+  var out = [],
+      len = this.length;
+
+  for (var i = 0; i < len; i++) {
+    out[i] = toHex(this.parent[i + this.offset]);
+    if (i == exports.INSPECT_MAX_BYTES) {
+      out[i + 1] = '...';
+      break;
+    }
+  }
+
+  return '<Buffer ' + out.join(' ') + '>';
+};
+
+
+Buffer.prototype.get = function get(i) {
+  if (i < 0 || i >= this.length) throw new Error('oob');
+  return this.parent[this.offset + i];
+};
+
+
+Buffer.prototype.set = function set(i, v) {
+  if (i < 0 || i >= this.length) throw new Error('oob');
+  return this.parent[this.offset + i] = v;
+};
+
+
+// write(string, offset = 0, length = buffer.length-offset, encoding = 'utf8')
+Buffer.prototype.write = function(string, offset, length, encoding) {
+  // Support both (string, offset, length, encoding)
+  // and the legacy (string, encoding, offset, length)
+  if (isFinite(offset)) {
+    if (!isFinite(length)) {
+      encoding = length;
+      length = undefined;
+    }
+  } else {  // legacy
+    var swap = encoding;
+    encoding = offset;
+    offset = length;
+    length = swap;
+  }
+
+  offset = +offset || 0;
+  var remaining = this.length - offset;
+  if (!length) {
+    length = remaining;
+  } else {
+    length = +length;
+    if (length > remaining) {
+      length = remaining;
+    }
+  }
+  encoding = String(encoding || 'utf8').toLowerCase();
+
+  var ret;
+  switch (encoding) {
+    case 'hex':
+      ret = this.parent.hexWrite(string, this.offset + offset, length);
+      break;
+
+    case 'utf8':
+    case 'utf-8':
+      ret = this.parent.utf8Write(string, this.offset + offset, length);
+      break;
+
+    case 'ascii':
+      ret = this.parent.asciiWrite(string, this.offset + offset, length);
+      break;
+
+    case 'binary':
+      ret = this.parent.binaryWrite(string, this.offset + offset, length);
+      break;
+
+    case 'base64':
+      // Warning: maxLength not taken into account in base64Write
+      ret = this.parent.base64Write(string, this.offset + offset, length);
+      break;
+
+    case 'ucs2':
+    case 'ucs-2':
+      ret = this.parent.ucs2Write(string, this.offset + offset, length);
+      break;
+
+    default:
+      throw new Error('Unknown encoding');
+  }
+
+  Buffer._charsWritten = SlowBuffer._charsWritten;
+
+  return ret;
+};
+
+
+// toString(encoding, start=0, end=buffer.length)
+Buffer.prototype.toString = function(encoding, start, end) {
+  encoding = String(encoding || 'utf8').toLowerCase();
+
+  if (typeof start == 'undefined' || start < 0) {
+    start = 0;
+  } else if (start > this.length) {
+    start = this.length;
+  }
+
+  if (typeof end == 'undefined' || end > this.length) {
+    end = this.length;
+  } else if (end < 0) {
+    end = 0;
+  }
+
+  start = start + this.offset;
+  end = end + this.offset;
+
+  switch (encoding) {
+    case 'hex':
+      return this.parent.hexSlice(start, end);
+
+    case 'utf8':
+    case 'utf-8':
+      return this.parent.utf8Slice(start, end);
+
+    case 'ascii':
+      return this.parent.asciiSlice(start, end);
+
+    case 'binary':
+      return this.parent.binarySlice(start, end);
+
+    case 'base64':
+      return this.parent.base64Slice(start, end);
+
+    case 'ucs2':
+    case 'ucs-2':
+      return this.parent.ucs2Slice(start, end);
+
+    default:
+      throw new Error('Unknown encoding');
+  }
+};
+
+
+// byteLength
+Buffer.byteLength = SlowBuffer.byteLength;
+
+
+// fill(value, start=0, end=buffer.length)
+Buffer.prototype.fill = function fill(value, start, end) {
+  value || (value = 0);
+  start || (start = 0);
+  end || (end = this.length);
+
+  if (typeof value === 'string') {
+    value = value.charCodeAt(0);
+  }
+  if (!(typeof value === 'number') || isNaN(value)) {
+    throw new Error('value is not a number');
+  }
+
+  if (end < start) throw new Error('end < start');
+
+  // Fill 0 bytes; we're done
+  if (end === start) return 0;
+  if (this.length == 0) return 0;
+
+  if (start < 0 || start >= this.length) {
+    throw new Error('start out of bounds');
+  }
+
+  if (end < 0 || end > this.length) {
+    throw new Error('end out of bounds');
+  }
+
+  return this.parent.fill(value,
+                          start + this.offset,
+                          end + this.offset);
+};
+
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function(target, target_start, start, end) {
+  var source = this;
+  start || (start = 0);
+  end || (end = this.length);
+  target_start || (target_start = 0);
+
+  if (end < start) throw new Error('sourceEnd < sourceStart');
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0;
+  if (target.length == 0 || source.length == 0) return 0;
+
+  if (target_start < 0 || target_start >= target.length) {
+    throw new Error('targetStart out of bounds');
+  }
+
+  if (start < 0 || start >= source.length) {
+    throw new Error('sourceStart out of bounds');
+  }
+
+  if (end < 0 || end > source.length) {
+    throw new Error('sourceEnd out of bounds');
+  }
+
+  // Are we oob?
+  if (end > this.length) {
+    end = this.length;
+  }
+
+  if (target.length - target_start < end - start) {
+    end = target.length - target_start + start;
+  }
+
+  return this.parent.copy(target.parent,
+                          target_start + target.offset,
+                          start + this.offset,
+                          end + this.offset);
+};
+
+
+// slice(start, end)
+Buffer.prototype.slice = function(start, end) {
+  if (end === undefined) end = this.length;
+  if (end > this.length) throw new Error('oob');
+  if (start > end) throw new Error('oob');
+
+  return new Buffer(this.parent, end - start, +start + this.offset);
+};
+
+
+// Legacy methods for backwards compatibility.
+
+Buffer.prototype.utf8Slice = function(start, end) {
+  return this.toString('utf8', start, end);
+};
+
+Buffer.prototype.binarySlice = function(start, end) {
+  return this.toString('binary', start, end);
+};
+
+Buffer.prototype.asciiSlice = function(start, end) {
+  return this.toString('ascii', start, end);
+};
+
+Buffer.prototype.utf8Write = function(string, offset) {
+  return this.write(string, offset, 'utf8');
+};
+
+Buffer.prototype.binaryWrite = function(string, offset) {
+  return this.write(string, offset, 'binary');
+};
+
+Buffer.prototype.asciiWrite = function(string, offset) {
+  return this.write(string, offset, 'ascii');
+};
+
+Buffer.prototype.readUInt8 = function(offset, noAssert) {
+  var buffer = this;
+
+  if (!noAssert) {
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  if (offset >= buffer.length) return;
+
+  return buffer.parent[buffer.offset + offset];
+};
+
+function readUInt16(buffer, offset, isBigEndian, noAssert) {
+  var val = 0;
+
+
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 1 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  if (offset >= buffer.length) return 0;
+
+  if (isBigEndian) {
+    val = buffer.parent[buffer.offset + offset] << 8;
+    if (offset + 1 < buffer.length) {
+      val |= buffer.parent[buffer.offset + offset + 1];
+    }
+  } else {
+    val = buffer.parent[buffer.offset + offset];
+    if (offset + 1 < buffer.length) {
+      val |= buffer.parent[buffer.offset + offset + 1] << 8;
+    }
+  }
+
+  return val;
+}
+
+Buffer.prototype.readUInt16LE = function(offset, noAssert) {
+  return readUInt16(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readUInt16BE = function(offset, noAssert) {
+  return readUInt16(this, offset, true, noAssert);
+};
+
+function readUInt32(buffer, offset, isBigEndian, noAssert) {
+  var val = 0;
+
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 3 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  if (offset >= buffer.length) return 0;
+
+  if (isBigEndian) {
+    if (offset + 1 < buffer.length)
+      val = buffer.parent[buffer.offset + offset + 1] << 16;
+    if (offset + 2 < buffer.length)
+      val |= buffer.parent[buffer.offset + offset + 2] << 8;
+    if (offset + 3 < buffer.length)
+      val |= buffer.parent[buffer.offset + offset + 3];
+    val = val + (buffer.parent[buffer.offset + offset] << 24 >>> 0);
+  } else {
+    if (offset + 2 < buffer.length)
+      val = buffer.parent[buffer.offset + offset + 2] << 16;
+    if (offset + 1 < buffer.length)
+      val |= buffer.parent[buffer.offset + offset + 1] << 8;
+    val |= buffer.parent[buffer.offset + offset];
+    if (offset + 3 < buffer.length)
+      val = val + (buffer.parent[buffer.offset + offset + 3] << 24 >>> 0);
+  }
+
+  return val;
+}
+
+Buffer.prototype.readUInt32LE = function(offset, noAssert) {
+  return readUInt32(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readUInt32BE = function(offset, noAssert) {
+  return readUInt32(this, offset, true, noAssert);
+};
+
+
+/*
+ * Signed integer types, yay team! A reminder on how two's complement actually
+ * works. The first bit is the signed bit, i.e. tells us whether or not the
+ * number should be positive or negative. If the two's complement value is
+ * positive, then we're done, as it's equivalent to the unsigned representation.
+ *
+ * Now if the number is positive, you're pretty much done, you can just leverage
+ * the unsigned translations and return those. Unfortunately, negative numbers
+ * aren't quite that straightforward.
+ *
+ * At first glance, one might be inclined to use the traditional formula to
+ * translate binary numbers between the positive and negative values in two's
+ * complement. (Though it doesn't quite work for the most negative value)
+ * Mainly:
+ *  - invert all the bits
+ *  - add one to the result
+ *
+ * Of course, this doesn't quite work in Javascript. Take for example the value
+ * of -128. This could be represented in 16 bits (big-endian) as 0xff80. But of
+ * course, Javascript will do the following:
+ *
+ * > ~0xff80
+ * -65409
+ *
+ * Whoh there, Javascript, that's not quite right. But wait, according to
+ * Javascript that's perfectly correct. When Javascript ends up seeing the
+ * constant 0xff80, it has no notion that it is actually a signed number. It
+ * assumes that we've input the unsigned value 0xff80. Thus, when it does the
+ * binary negation, it casts it into a signed value, (positive 0xff80). Then
+ * when you perform binary negation on that, it turns it into a negative number.
+ *
+ * Instead, we're going to have to use the following general formula, that works
+ * in a rather Javascript friendly way. I'm glad we don't support this kind of
+ * weird numbering scheme in the kernel.
+ *
+ * (BIT-MAX - (unsigned)val + 1) * -1
+ *
+ * The astute observer, may think that this doesn't make sense for 8-bit numbers
+ * (really it isn't necessary for them). However, when you get 16-bit numbers,
+ * you do. Let's go back to our prior example and see how this will look:
+ *
+ * (0xffff - 0xff80 + 1) * -1
+ * (0x007f + 1) * -1
+ * (0x0080) * -1
+ */
+Buffer.prototype.readInt8 = function(offset, noAssert) {
+  var buffer = this;
+  var neg;
+
+  if (!noAssert) {
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  if (offset >= buffer.length) return;
+
+  neg = buffer.parent[buffer.offset + offset] & 0x80;
+  if (!neg) {
+    return (buffer.parent[buffer.offset + offset]);
+  }
+
+  return ((0xff - buffer.parent[buffer.offset + offset] + 1) * -1);
+};
+
+function readInt16(buffer, offset, isBigEndian, noAssert) {
+  var neg, val;
+
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 1 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  val = readUInt16(buffer, offset, isBigEndian, noAssert);
+  neg = val & 0x8000;
+  if (!neg) {
+    return val;
+  }
+
+  return (0xffff - val + 1) * -1;
+}
+
+Buffer.prototype.readInt16LE = function(offset, noAssert) {
+  return readInt16(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readInt16BE = function(offset, noAssert) {
+  return readInt16(this, offset, true, noAssert);
+};
+
+function readInt32(buffer, offset, isBigEndian, noAssert) {
+  var neg, val;
+
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 3 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  val = readUInt32(buffer, offset, isBigEndian, noAssert);
+  neg = val & 0x80000000;
+  if (!neg) {
+    return (val);
+  }
+
+  return (0xffffffff - val + 1) * -1;
+}
+
+Buffer.prototype.readInt32LE = function(offset, noAssert) {
+  return readInt32(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readInt32BE = function(offset, noAssert) {
+  return readInt32(this, offset, true, noAssert);
+};
+
+function readFloat(buffer, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset + 3 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
+      23, 4);
+}
+
+Buffer.prototype.readFloatLE = function(offset, noAssert) {
+  return readFloat(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readFloatBE = function(offset, noAssert) {
+  return readFloat(this, offset, true, noAssert);
+};
+
+function readDouble(buffer, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset + 7 < buffer.length,
+        'Trying to read beyond buffer length');
+  }
+
+  return require('./buffer_ieee754').readIEEE754(buffer, offset, isBigEndian,
+      52, 8);
+}
+
+Buffer.prototype.readDoubleLE = function(offset, noAssert) {
+  return readDouble(this, offset, false, noAssert);
+};
+
+Buffer.prototype.readDoubleBE = function(offset, noAssert) {
+  return readDouble(this, offset, true, noAssert);
+};
+
+
+/*
+ * We have to make sure that the value is a valid integer. This means that it is
+ * non-negative. It has no fractional component and that it does not exceed the
+ * maximum allowed value.
+ *
+ *      value           The number to check for validity
+ *
+ *      max             The maximum value
+ */
+function verifuint(value, max) {
+  assert.ok(typeof (value) == 'number',
+      'cannot write a non-number as a number');
+
+  assert.ok(value >= 0,
+      'specified a negative value for writing an unsigned value');
+
+  assert.ok(value <= max, 'value is larger than maximum value for type');
+
+  assert.ok(Math.floor(value) === value, 'value has a fractional component');
+}
+
+Buffer.prototype.writeUInt8 = function(value, offset, noAssert) {
+  var buffer = this;
+
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset < buffer.length,
+        'trying to write beyond buffer length');
+
+    verifuint(value, 0xff);
+  }
+
+  if (offset < buffer.length) {
+    buffer.parent[buffer.offset + offset] = value;
+  }
+};
+
+function writeUInt16(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 1 < buffer.length,
+        'trying to write beyond buffer length');
+
+    verifuint(value, 0xffff);
+  }
+
+  for (var i = 0; i < Math.min(buffer.length - offset, 2); i++) {
+    buffer.parent[buffer.offset + offset + i] =
+        (value & (0xff << (8 * (isBigEndian ? 1 - i : i)))) >>>
+            (isBigEndian ? 1 - i : i) * 8;
+  }
+
+}
+
+Buffer.prototype.writeUInt16LE = function(value, offset, noAssert) {
+  writeUInt16(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeUInt16BE = function(value, offset, noAssert) {
+  writeUInt16(this, value, offset, true, noAssert);
+};
+
+function writeUInt32(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 3 < buffer.length,
+        'trying to write beyond buffer length');
+
+    verifuint(value, 0xffffffff);
+  }
+
+  for (var i = 0; i < Math.min(buffer.length - offset, 4); i++) {
+    buffer.parent[buffer.offset + offset + i] =
+        (value >>> (isBigEndian ? 3 - i : i) * 8) & 0xff;
+  }
+}
+
+Buffer.prototype.writeUInt32LE = function(value, offset, noAssert) {
+  writeUInt32(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeUInt32BE = function(value, offset, noAssert) {
+  writeUInt32(this, value, offset, true, noAssert);
+};
+
+
+/*
+ * We now move onto our friends in the signed number category. Unlike unsigned
+ * numbers, we're going to have to worry a bit more about how we put values into
+ * arrays. Since we are only worrying about signed 32-bit values, we're in
+ * slightly better shape. Unfortunately, we really can't do our favorite binary
+ * & in this system. It really seems to do the wrong thing. For example:
+ *
+ * > -32 & 0xff
+ * 224
+ *
+ * What's happening above is really: 0xe0 & 0xff = 0xe0. However, the results of
+ * this aren't treated as a signed number. Ultimately a bad thing.
+ *
+ * What we're going to want to do is basically create the unsigned equivalent of
+ * our representation and pass that off to the wuint* functions. To do that
+ * we're going to do the following:
+ *
+ *  - if the value is positive
+ *      we can pass it directly off to the equivalent wuint
+ *  - if the value is negative
+ *      we do the following computation:
+ *         mb + val + 1, where
+ *         mb   is the maximum unsigned value in that byte size
+ *         val  is the Javascript negative integer
+ *
+ *
+ * As a concrete value, take -128. In signed 16 bits this would be 0xff80. If
+ * you do out the computations:
+ *
+ * 0xffff - 128 + 1
+ * 0xffff - 127
+ * 0xff80
+ *
+ * You can then encode this value as the signed version. This is really rather
+ * hacky, but it should work and get the job done which is our goal here.
+ */
+
+/*
+ * A series of checks to make sure we actually have a signed 32-bit number
+ */
+function verifsint(value, max, min) {
+  assert.ok(typeof (value) == 'number',
+      'cannot write a non-number as a number');
+
+  assert.ok(value <= max, 'value larger than maximum allowed value');
+
+  assert.ok(value >= min, 'value smaller than minimum allowed value');
+
+  assert.ok(Math.floor(value) === value, 'value has a fractional component');
+}
+
+function verifIEEE754(value, max, min) {
+  assert.ok(typeof (value) == 'number',
+      'cannot write a non-number as a number');
+
+  assert.ok(value <= max, 'value larger than maximum allowed value');
+
+  assert.ok(value >= min, 'value smaller than minimum allowed value');
+}
+
+Buffer.prototype.writeInt8 = function(value, offset, noAssert) {
+  var buffer = this;
+
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset < buffer.length,
+        'Trying to write beyond buffer length');
+
+    verifsint(value, 0x7f, -0x80);
+  }
+
+  if (value >= 0) {
+    buffer.writeUInt8(value, offset, noAssert);
+  } else {
+    buffer.writeUInt8(0xff + value + 1, offset, noAssert);
+  }
+};
+
+function writeInt16(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 1 < buffer.length,
+        'Trying to write beyond buffer length');
+
+    verifsint(value, 0x7fff, -0x8000);
+  }
+
+  if (value >= 0) {
+    writeUInt16(buffer, value, offset, isBigEndian, noAssert);
+  } else {
+    writeUInt16(buffer, 0xffff + value + 1, offset, isBigEndian, noAssert);
+  }
+}
+
+Buffer.prototype.writeInt16LE = function(value, offset, noAssert) {
+  writeInt16(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeInt16BE = function(value, offset, noAssert) {
+  writeInt16(this, value, offset, true, noAssert);
+};
+
+function writeInt32(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 3 < buffer.length,
+        'Trying to write beyond buffer length');
+
+    verifsint(value, 0x7fffffff, -0x80000000);
+  }
+
+  if (value >= 0) {
+    writeUInt32(buffer, value, offset, isBigEndian, noAssert);
+  } else {
+    writeUInt32(buffer, 0xffffffff + value + 1, offset, isBigEndian, noAssert);
+  }
+}
+
+Buffer.prototype.writeInt32LE = function(value, offset, noAssert) {
+  writeInt32(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeInt32BE = function(value, offset, noAssert) {
+  writeInt32(this, value, offset, true, noAssert);
+};
+
+function writeFloat(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 3 < buffer.length,
+        'Trying to write beyond buffer length');
+
+    verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38);
+  }
+
+  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
+      23, 4);
+}
+
+Buffer.prototype.writeFloatLE = function(value, offset, noAssert) {
+  writeFloat(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeFloatBE = function(value, offset, noAssert) {
+  writeFloat(this, value, offset, true, noAssert);
+};
+
+function writeDouble(buffer, value, offset, isBigEndian, noAssert) {
+  if (!noAssert) {
+    assert.ok(value !== undefined && value !== null,
+        'missing value');
+
+    assert.ok(typeof (isBigEndian) === 'boolean',
+        'missing or invalid endian');
+
+    assert.ok(offset !== undefined && offset !== null,
+        'missing offset');
+
+    assert.ok(offset + 7 < buffer.length,
+        'Trying to write beyond buffer length');
+
+    verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308);
+  }
+
+  require('./buffer_ieee754').writeIEEE754(buffer, value, offset, isBigEndian,
+      52, 8);
+}
+
+Buffer.prototype.writeDoubleLE = function(value, offset, noAssert) {
+  writeDouble(this, value, offset, false, noAssert);
+};
+
+Buffer.prototype.writeDoubleBE = function(value, offset, noAssert) {
+  writeDouble(this, value, offset, true, noAssert);
+};
+
+SlowBuffer.prototype.readUInt8 = Buffer.prototype.readUInt8;
+SlowBuffer.prototype.readUInt16LE = Buffer.prototype.readUInt16LE;
+SlowBuffer.prototype.readUInt16BE = Buffer.prototype.readUInt16BE;
+SlowBuffer.prototype.readUInt32LE = Buffer.prototype.readUInt32LE;
+SlowBuffer.prototype.readUInt32BE = Buffer.prototype.readUInt32BE;
+SlowBuffer.prototype.readInt8 = Buffer.prototype.readInt8;
+SlowBuffer.prototype.readInt16LE = Buffer.prototype.readInt16LE;
+SlowBuffer.prototype.readInt16BE = Buffer.prototype.readInt16BE;
+SlowBuffer.prototype.readInt32LE = Buffer.prototype.readInt32LE;
+SlowBuffer.prototype.readInt32BE = Buffer.prototype.readInt32BE;
+SlowBuffer.prototype.readFloatLE = Buffer.prototype.readFloatLE;
+SlowBuffer.prototype.readFloatBE = Buffer.prototype.readFloatBE;
+SlowBuffer.prototype.readDoubleLE = Buffer.prototype.readDoubleLE;
+SlowBuffer.prototype.readDoubleBE = Buffer.prototype.readDoubleBE;
+SlowBuffer.prototype.writeUInt8 = Buffer.prototype.writeUInt8;
+SlowBuffer.prototype.writeUInt16LE = Buffer.prototype.writeUInt16LE;
+SlowBuffer.prototype.writeUInt16BE = Buffer.prototype.writeUInt16BE;
+SlowBuffer.prototype.writeUInt32LE = Buffer.prototype.writeUInt32LE;
+SlowBuffer.prototype.writeUInt32BE = Buffer.prototype.writeUInt32BE;
+SlowBuffer.prototype.writeInt8 = Buffer.prototype.writeInt8;
+SlowBuffer.prototype.writeInt16LE = Buffer.prototype.writeInt16LE;
+SlowBuffer.prototype.writeInt16BE = Buffer.prototype.writeInt16BE;
+SlowBuffer.prototype.writeInt32LE = Buffer.prototype.writeInt32LE;
+SlowBuffer.prototype.writeInt32BE = Buffer.prototype.writeInt32BE;
+SlowBuffer.prototype.writeFloatLE = Buffer.prototype.writeFloatLE;
+SlowBuffer.prototype.writeFloatBE = Buffer.prototype.writeFloatBE;
+SlowBuffer.prototype.writeDoubleLE = Buffer.prototype.writeDoubleLE;
+SlowBuffer.prototype.writeDoubleBE = Buffer.prototype.writeDoubleBE;
+
+})()
+},{"assert":12,"./buffer_ieee754":14,"base64-js":15}],15:[function(require,module,exports){
+(function (exports) {
+	'use strict';
+
+	var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+	function b64ToByteArray(b64) {
+		var i, j, l, tmp, placeHolders, arr;
+	
+		if (b64.length % 4 > 0) {
+			throw 'Invalid string. Length must be a multiple of 4';
+		}
+
+		// the number of equal signs (place holders)
+		// if there are two placeholders, than the two characters before it
+		// represent one byte
+		// if there is only one, then the three characters before it represent 2 bytes
+		// this is just a cheap hack to not do indexOf twice
+		placeHolders = b64.indexOf('=');
+		placeHolders = placeHolders > 0 ? b64.length - placeHolders : 0;
+
+		// base64 is 4/3 + up to two characters of the original data
+		arr = [];//new Uint8Array(b64.length * 3 / 4 - placeHolders);
+
+		// if there are placeholders, only get up to the last complete 4 chars
+		l = placeHolders > 0 ? b64.length - 4 : b64.length;
+
+		for (i = 0, j = 0; i < l; i += 4, j += 3) {
+			tmp = (lookup.indexOf(b64[i]) << 18) | (lookup.indexOf(b64[i + 1]) << 12) | (lookup.indexOf(b64[i + 2]) << 6) | lookup.indexOf(b64[i + 3]);
+			arr.push((tmp & 0xFF0000) >> 16);
+			arr.push((tmp & 0xFF00) >> 8);
+			arr.push(tmp & 0xFF);
+		}
+
+		if (placeHolders === 2) {
+			tmp = (lookup.indexOf(b64[i]) << 2) | (lookup.indexOf(b64[i + 1]) >> 4);
+			arr.push(tmp & 0xFF);
+		} else if (placeHolders === 1) {
+			tmp = (lookup.indexOf(b64[i]) << 10) | (lookup.indexOf(b64[i + 1]) << 4) | (lookup.indexOf(b64[i + 2]) >> 2);
+			arr.push((tmp >> 8) & 0xFF);
+			arr.push(tmp & 0xFF);
+		}
+
+		return arr;
+	}
+
+	function uint8ToBase64(uint8) {
+		var i,
+			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
+			output = "",
+			temp, length;
+
+		function tripletToBase64 (num) {
+			return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
+		};
+
+		// go through the array every three bytes, we'll deal with trailing stuff later
+		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
+			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
+			output += tripletToBase64(temp);
+		}
+
+		// pad the end with zeros, but make sure to not forget the extra bytes
+		switch (extraBytes) {
+			case 1:
+				temp = uint8[uint8.length - 1];
+				output += lookup[temp >> 2];
+				output += lookup[(temp << 4) & 0x3F];
+				output += '==';
+				break;
+			case 2:
+				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]);
+				output += lookup[temp >> 10];
+				output += lookup[(temp >> 4) & 0x3F];
+				output += lookup[(temp << 2) & 0x3F];
+				output += '=';
+				break;
+		}
+
+		return output;
+	}
+
+	module.exports.toByteArray = b64ToByteArray;
+	module.exports.fromByteArray = uint8ToBase64;
+}());
+
+},{}]},{},["E/GbHF"])
+;
+JSHINT = require('jshint').JSHINT;
+}());
\ No newline at end of file
diff --git a/eslint/tests/tests.htm b/eslint/tests/tests.htm
new file mode 100644
index 0000000..0357d05
--- /dev/null
+++ b/eslint/tests/tests.htm
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Browser smoke test</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="../node_modules/mocha/mocha.css" />
+  </head>
+  <body>
+    <div id="mocha"></div>
+    <!-- test framework -->
+    <script src="../node_modules/mocha/mocha.js"></script>
+    <script src="../node_modules/chai/chai.js"></script>
+    <script src="../node_modules/sinon/pkg/sinon.js"></script>
+    <script src="../node_modules/phantomjs-polyfill/bind-polyfill.js"></script>
+
+    <!-- source -->
+    <script src="../build/eslint.js"></script>
+
+    <!-- mocha setup -->
+    <script>
+        mocha.ui('bdd');
+        mocha.reporter('html');
+    </script>
+
+    <!-- test suite -->
+    <script src="lib/eslint.js"></script>
+
+    <!-- runner -->
+    <script>
+        window.mochaPhantomJS
+          ? mochaPhantomJS.run()
+          : mocha.run();
+    </script>
+  </body>
+</html>
diff --git a/eslint/tests/tools/code-sample-minimizer.js b/eslint/tests/tools/code-sample-minimizer.js
new file mode 100644
index 0000000..9a56c8c
--- /dev/null
+++ b/eslint/tests/tools/code-sample-minimizer.js
@@ -0,0 +1,73 @@
+"use strict";
+
+const { assert } = require("chai");
+const reduceBadExampleSize = require("../../tools/code-sample-minimizer");
+
+describe("reduceBadExampleSize()", () => {
+    it("extracts relevant part of deeply nested code", () => {
+        const initialCode = `
+            if (true) {
+                while (false) {
+                    for (let i = 1; i < 10; i++) {
+                        let j = foo
+                            ? bar
+                            : THIS_EXPRESSION_CAUSES_A_BUG
+                    }
+                }
+            }
+        `;
+
+        const expectedFinalCode = "THIS_EXPRESSION_CAUSES_A_BUG";
+
+        assert.strictEqual(
+            reduceBadExampleSize({
+                sourceText: initialCode,
+                predicate: code => code.includes("THIS_EXPRESSION_CAUSES_A_BUG")
+            }),
+            expectedFinalCode
+        );
+    });
+
+    it("removes irrelevant parts of AST nodes with many children", () => {
+        const initialCode = `
+            foo;
+            bar;
+            baz;
+            let x = [
+                1,
+                2,
+                ,
+                3,
+                THIS_EXPRESSION_CAUSES_A_BUG,
+                4
+            ]
+            quux;
+        `;
+
+        const expectedFinalCode = "THIS_EXPRESSION_CAUSES_A_BUG";
+
+        assert.strictEqual(
+            reduceBadExampleSize({
+                sourceText: initialCode,
+                predicate: code => code.includes("THIS_EXPRESSION_CAUSES_A_BUG")
+            }),
+            expectedFinalCode
+        );
+    });
+
+    it("removes irrelevant comments from the source code", () => {
+        const initialCode = `
+        var /* aaa */foo = bar;
+    `;
+
+        const expectedFinalCode = "var foo = bar;";
+
+        assert.strictEqual(
+            reduceBadExampleSize({
+                sourceText: initialCode,
+                predicate: code => code.includes("var") && code.includes("foo = bar")
+            }),
+            expectedFinalCode
+        );
+    });
+});
diff --git a/eslint/tests/tools/internal-rules/consistent-docs-url.js b/eslint/tests/tools/internal-rules/consistent-docs-url.js
new file mode 100644
index 0000000..3c61a18
--- /dev/null
+++ b/eslint/tests/tools/internal-rules/consistent-docs-url.js
@@ -0,0 +1,101 @@
+/**
+ * @fileoverview Tests for internal-consistent-docs-url rule.
+ * @author Patrick McElhaney
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../tools/internal-rules/consistent-docs-url"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("consistent-docs-url", rule, {
+    valid: [
+
+        // wrong exports format: "internal-no-invalid-meta" reports this already
+        [
+            "module.exports = function(context) {",
+            "    return {",
+            "        Program: function(node) {}",
+            "    };",
+            "};"
+        ].join("\n"),
+        [
+            "module.exports = {",
+            "    meta: {",
+            "        docs: {",
+            "            url: 'https://eslint.org/docs/rules/<input>'",
+            "        }",
+            "    },",
+            "    create: function(context) {",
+            "        return {};",
+            "    }",
+            "};"
+        ].join("\n")
+    ],
+    invalid: [
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {};",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                message: "Rule is missing a meta.docs property",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {}",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {};",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                message: "Rule is missing a meta.docs.url property",
+                line: 3,
+                column: 9
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {",
+                "            url: 'http://example.com/wrong-url'",
+                "        }",
+                "    },",
+                "    create: function(context) {",
+                "        return {};",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                message: "Incorrect url. Expected \"https://eslint.org/docs/rules/<input>\" but got \"http://example.com/wrong-url\"",
+                line: 4,
+                column: 18
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/tools/internal-rules/consistent-meta-messages.js b/eslint/tests/tools/internal-rules/consistent-meta-messages.js
new file mode 100644
index 0000000..4df8be9
--- /dev/null
+++ b/eslint/tests/tools/internal-rules/consistent-meta-messages.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Tests for consistent-meta-messages rule.
+ * @author 薛定谔的猫<hh_2013@foxmail.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../tools/internal-rules/consistent-meta-messages");
+const { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("consistent-meta-messages", rule, {
+    valid: [
+        `module.exports = {
+            meta: {
+                messages: {unexpected: "an error occurs."}
+            }
+        };`
+    ],
+    invalid: [
+        {
+            code: `
+            module.exports = {
+                meta: {}
+            };`,
+            errors: [{ messageId: "expectedMessages" }]
+        }
+    ]
+});
diff --git a/eslint/tests/tools/internal-rules/multiline-comment-style.js b/eslint/tests/tools/internal-rules/multiline-comment-style.js
new file mode 100644
index 0000000..d6dcff7
--- /dev/null
+++ b/eslint/tests/tools/internal-rules/multiline-comment-style.js
@@ -0,0 +1,38 @@
+"use strict";
+
+const rule = require("../../../tools/internal-rules/multiline-comment-style");
+const { RuleTester } = require("../../../lib/rule-tester");
+const ruleTester = new RuleTester();
+
+ruleTester.run("internal-rules/multiline-comment-style", rule, {
+    valid: [
+        `
+            //----------------
+            // Rule Description
+            //----------------
+        `,
+        `
+            /*
+             * Block comment
+             */
+        `,
+        `
+            // single-line comment
+        `
+    ],
+    invalid: [
+        {
+            code: `
+                // foo
+                // bar
+            `,
+            output: `
+                /*
+                 * foo
+                 * bar
+                 */
+            `,
+            errors: [{ message: "Expected a block comment instead of consecutive line comments." }]
+        }
+    ]
+});
diff --git a/eslint/tests/tools/internal-rules/no-invalid-meta.js b/eslint/tests/tools/internal-rules/no-invalid-meta.js
new file mode 100644
index 0000000..a5ff4d5
--- /dev/null
+++ b/eslint/tests/tools/internal-rules/no-invalid-meta.js
@@ -0,0 +1,288 @@
+/**
+ * @fileoverview Tests for internal no-valid-meta rule.
+ * @author Vitor Balocco
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("../../../tools/internal-rules/no-invalid-meta"),
+    { RuleTester } = require("../../../lib/rule-tester");
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-invalid-meta", rule, {
+    valid: [
+
+        // context.report() call with no fix
+        [
+            "module.exports = {",
+            "    meta: {",
+            "        docs: {",
+            "            description: 'some rule',",
+            "            category: 'Internal',",
+            "            recommended: false",
+            "        },",
+            "        schema: []",
+            "    },",
+
+            "    create: function(context) {",
+            "        return {",
+            "            Program: function(node) {",
+            "                context.report({",
+            "                    node: node",
+            "                });",
+            "            }",
+            "        };",
+            "    }",
+            "};"
+        ].join("\n"),
+
+        // context.report() call in old style
+        [
+            "module.exports = {",
+            "    meta: {",
+            "        docs: {",
+            "            description: 'some rule',",
+            "            category: 'Internal',",
+            "            recommended: false",
+            "        },",
+            "        schema: []",
+            "    },",
+
+            "    create: function(context) {",
+            "        return {",
+            "            Program: function(node) {",
+            "                context.report(node, 'Getter is not present');",
+            "            }",
+            "        };",
+            "    }",
+            "};"
+        ].join("\n"),
+
+        // context.report() call with a fix property
+        [
+            "module.exports = {",
+            "    meta: {",
+            "        docs: {",
+            "            description: 'some rule',",
+            "            category: 'Internal',",
+            "            recommended: false",
+            "        },",
+            "        schema: [],",
+            "        fixable: 'whitespace'",
+            "    },",
+
+            "    create: function(context) {",
+            "        return {",
+            "            Program: function(node) {",
+            "                context.report({",
+            "                    node: node,",
+            "                    fix: function(fixer) {",
+            "                        return fixer.insertTextAfter(node, ' ');",
+            "                    }",
+            "                });",
+            "            }",
+            "        };",
+            "    }",
+            "};"
+        ].join("\n")
+    ],
+    invalid: [
+        {
+            code: [
+                "module.exports = function(context) {",
+                "    return {",
+                "        Program: function(node) {}",
+                "    };",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "incorrectExport",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMeta",
+                line: 1,
+                column: 18
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: [],",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaDocs",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        schema: []",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaDocs",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {",
+                "            category: 'Internal',",
+                "            recommended: false",
+                "        },",
+                "        schema: []",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaDocsDescription",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {",
+                "            description: 'some rule',",
+                "            recommended: false",
+                "        },",
+                "        schema: []",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaDocsCategory",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {",
+                "            description: 'some rule',",
+                "            category: 'Internal'",
+                "        },",
+                "        schema: []",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaDocsRecommended",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: [
+                "module.exports = {",
+                "    meta: {",
+                "        docs: {",
+                "            description: 'some rule',",
+                "            category: 'Internal',",
+                "            recommended: false",
+                "        }",
+                "    },",
+
+                "    create: function(context) {",
+                "        return {",
+                "            Program: function(node) {}",
+                "        };",
+                "    }",
+                "};"
+            ].join("\n"),
+            errors: [{
+                messageId: "missingMetaSchema",
+                line: 2,
+                column: 5
+            }]
+        },
+        {
+            code: "",
+            errors: [{
+                messageId: "noExport",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "foo();",
+            errors: [{
+                messageId: "noExport",
+                line: 1,
+                column: 1
+            }]
+        },
+        {
+            code: "foo = bar;",
+            errors: [{
+                messageId: "noExport",
+                line: 1,
+                column: 1
+            }]
+        }
+    ]
+});
diff --git a/eslint/tests/tools/loose-parser.js b/eslint/tests/tools/loose-parser.js
new file mode 100644
index 0000000..98e97cc
--- /dev/null
+++ b/eslint/tests/tools/loose-parser.js
@@ -0,0 +1,30 @@
+/**
+ * @fileoverview Define a custom parser to ignore recoverable syntax errors.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ *
+ * no-redeclare rule uses this parser to check redeclarations.
+ */
+"use strict";
+
+const acorn = require("acorn");
+const espree = require("espree/lib/espree");
+
+/**
+ * Define the parser which ignores recoverable errors.
+ * @returns {(parser:acorn.Parser) => acorn.Parser} The function that defines loose parser.
+ */
+function loose() {
+    return Parser => class LooseParser extends Parser {
+        raiseRecoverable() { // eslint-disable-line class-methods-use-this
+            // ignore
+        }
+    };
+}
+
+const LooseEspree = acorn.Parser.extend(espree(), loose());
+
+module.exports = {
+    parse(code, options) {
+        return new LooseEspree(options, code).parse();
+    }
+};
diff --git a/eslint/tools/code-sample-minimizer.js b/eslint/tools/code-sample-minimizer.js
new file mode 100644
index 0000000..2954bf0
--- /dev/null
+++ b/eslint/tools/code-sample-minimizer.js
@@ -0,0 +1,207 @@
+"use strict";
+
+const evk = require("eslint-visitor-keys");
+const recast = require("recast");
+const espree = require("espree");
+const assert = require("assert");
+
+/**
+ * Determines whether an AST node could be an expression, based on the type
+ * @param {ASTNode} node The node
+ * @returns {boolean} `true` if the node could be an expression
+ */
+function isMaybeExpression(node) {
+    return node.type.endsWith("Expression") ||
+        node.type === "Identifier" ||
+        node.type === "MetaProperty" ||
+        node.type.endsWith("Literal");
+}
+
+/**
+ * Determines whether an AST node is a statement
+ * @param {ASTNode} node The node
+ * @returns {boolean} `true` if the node is a statement
+ */
+function isStatement(node) {
+    return node.type.endsWith("Statement") || node.type.endsWith("Declaration");
+}
+
+/**
+ * Given "bad" source text (e.g. an code sample that causes a rule to crash), tries to return a smaller
+ * piece of source text which is also "bad", to make it easier for a human to figure out where the
+ * problem is.
+ * @param {Object} options Options to process
+ * @param {string} options.sourceText Initial piece of "bad" source text
+ * @param {function(string): boolean} options.predicate A predicate that returns `true` for bad source text and `false` for good source text
+ * @param {Parser} [options.parser] The parser used to parse the source text. Defaults to a modified
+ * version of espree that uses recent parser options.
+ * @param {Object} [options.visitorKeys] The visitor keys of the AST. Defaults to eslint-visitor-keys.
+ * @returns {string} Another piece of "bad" source text, which may or may not be smaller than the original source text.
+ */
+function reduceBadExampleSize({
+    sourceText,
+    predicate,
+    parser = {
+        parse: (code, options) =>
+            espree.parse(code, {
+                ...options,
+                loc: true,
+                range: true,
+                raw: true,
+                tokens: true,
+                comment: true,
+                eslintVisitorKeys: true,
+                eslintScopeManager: true,
+                ecmaVersion: 2018,
+                sourceType: "script"
+            })
+    },
+    visitorKeys = evk.KEYS
+}) {
+    let counter = 0;
+
+    /**
+     * Returns a new unique identifier
+     * @returns {string} A name for a new identifier
+     */
+    function generateNewIdentifierName() {
+        return `$${(counter++)}`;
+    }
+
+    /**
+     * Determines whether a source text sample is "bad"
+     * @param {string} updatedSourceText The sample
+     * @returns {boolean} `true` if the sample is "bad"
+     */
+    function reproducesBadCase(updatedSourceText) {
+        try {
+            parser.parse(updatedSourceText);
+        } catch (err) {
+            return false;
+        }
+
+        return predicate(updatedSourceText);
+    }
+
+    assert(reproducesBadCase(sourceText), "Original source text should reproduce issue");
+    const parseResult = recast.parse(sourceText, { parser });
+
+    /**
+     * Recursively removes descendant subtrees of the given AST node and replaces
+     * them with simplified variants to produce a simplified AST which is still considered "bad".
+     * @param {ASTNode} node An AST node to prune. May be mutated by this call, but the
+     * resulting AST will still produce "bad" source code.
+     * @returns {void}
+     */
+    function pruneIrrelevantSubtrees(node) {
+        for (const key of visitorKeys[node.type]) {
+            if (Array.isArray(node[key])) {
+                for (let index = node[key].length - 1; index >= 0; index--) {
+                    const [childNode] = node[key].splice(index, 1);
+
+                    if (!reproducesBadCase(recast.print(parseResult).code)) {
+                        node[key].splice(index, 0, childNode);
+                        if (childNode) {
+                            pruneIrrelevantSubtrees(childNode);
+                        }
+                    }
+                }
+            } else if (typeof node[key] === "object" && node[key] !== null) {
+
+                const childNode = node[key];
+
+                if (isMaybeExpression(childNode)) {
+                    node[key] = { type: "Identifier", name: generateNewIdentifierName(), range: childNode.range };
+                    if (!reproducesBadCase(recast.print(parseResult).code)) {
+                        node[key] = childNode;
+                        pruneIrrelevantSubtrees(childNode);
+                    }
+                } else if (isStatement(childNode)) {
+                    node[key] = { type: "EmptyStatement", range: childNode.range };
+                    if (!reproducesBadCase(recast.print(parseResult).code)) {
+                        node[key] = childNode;
+                        pruneIrrelevantSubtrees(childNode);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Recursively tries to extract a descendant node from the AST that is "bad" on its own
+     * @param {ASTNode} node A node which produces "bad" source code
+     * @returns {ASTNode} A descendent of `node` which is also bad
+     */
+    function extractRelevantChild(node) {
+        const childNodes = [].concat(
+            ...visitorKeys[node.type]
+                .map(key => (Array.isArray(node[key]) ? node[key] : [node[key]]))
+        );
+
+        for (const childNode of childNodes) {
+            if (!childNode) {
+                continue;
+            }
+
+            if (isMaybeExpression(childNode)) {
+                if (reproducesBadCase(recast.print(childNode).code)) {
+                    return extractRelevantChild(childNode);
+                }
+
+            } else if (isStatement(childNode)) {
+                if (reproducesBadCase(recast.print(childNode).code)) {
+                    return extractRelevantChild(childNode);
+                }
+            } else {
+                const childResult = extractRelevantChild(childNode);
+
+                if (reproducesBadCase(recast.print(childResult).code)) {
+                    return childResult;
+                }
+            }
+        }
+        return node;
+    }
+
+    /**
+     * Removes and simplifies comments from the source text
+     * @param {string} text A piece of "bad" source text
+     * @returns {string} A piece of "bad" source text with fewer and/or simpler comments.
+     */
+    function removeIrrelevantComments(text) {
+        const ast = parser.parse(text);
+
+        if (ast.comments) {
+            for (const comment of ast.comments) {
+                for (const potentialSimplification of [
+
+                    // Try deleting the comment
+                    `${text.slice(0, comment.range[0])}${text.slice(comment.range[1])}`,
+
+                    // Try replacing the comment with a space
+                    `${text.slice(0, comment.range[0])} ${text.slice(comment.range[1])}`,
+
+                    // Try deleting the contents of the comment
+                    text.slice(0, comment.range[0] + 2) + text.slice(comment.type === "Block" ? comment.range[1] - 2 : comment.range[1])
+                ]) {
+                    if (reproducesBadCase(potentialSimplification)) {
+                        return removeIrrelevantComments(potentialSimplification);
+                    }
+                }
+            }
+        }
+
+        return text;
+    }
+
+    pruneIrrelevantSubtrees(parseResult.program);
+    const relevantChild = recast.print(extractRelevantChild(parseResult.program)).code;
+
+    assert(reproducesBadCase(relevantChild), "Extracted relevant source text should reproduce issue");
+    const result = removeIrrelevantComments(relevantChild);
+
+    assert(reproducesBadCase(result), "Source text with irrelevant comments removed should reproduce issue");
+    return result;
+}
+
+module.exports = reduceBadExampleSize;
diff --git a/eslint/tools/fuzzer-runner.js b/eslint/tools/fuzzer-runner.js
new file mode 100644
index 0000000..b056c70
--- /dev/null
+++ b/eslint/tools/fuzzer-runner.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview An opinionated wrapper around eslint-fuzzer
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const ProgressBar = require("progress");
+const fuzz = require("./eslint-fuzzer");
+const eslint = require("..");
+const linter = new eslint.Linter();
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+// An estimate of how many times faster it is to do a crash-only fuzzer run versus an autofixing run.
+const ESTIMATED_CRASH_AUTOFIX_PERFORMANCE_RATIO = 4;
+
+// The number of crash-only tests to run for each autofix test. Right now, this is mostly arbitrary.
+const CRASH_AUTOFIX_TEST_COUNT_RATIO = 3;
+
+//------------------------------------------------------------------------------
+// Public API
+//------------------------------------------------------------------------------
+
+/**
+ * Runs the fuzzer and outputs a progress bar
+ * @param {Object} [options] Options for the fuzzer
+ * @param {number} [options.amount=300] A positive integer indicating how much testing to do. Larger values result in a higher
+ * chance of finding bugs, but cause the testing to take longer (linear increase). With the default value, the fuzzer
+ * takes about 15 seconds to run.
+ * @param {boolean} [options.fuzzBrokenAutofixes=true] true if the fuzzer should look for invalid autofixes in addition to rule crashes
+ * @returns {Object[]} A list of objects, where each object represents a problem detected by the fuzzer. The objects have the same
+ * schema as objects returned from eslint-fuzzer.
+ */
+function run({ amount = 300, fuzzBrokenAutofixes = true } = {}) {
+    const crashTestCount = amount * CRASH_AUTOFIX_TEST_COUNT_RATIO;
+    const autofixTestCount = fuzzBrokenAutofixes ? amount : 0;
+
+    /*
+     * To keep the progress bar moving at a roughly constant speed, apply a different weight for finishing
+     * a crash-only fuzzer run versus an autofix fuzzer run.
+     */
+    const progressBar = new ProgressBar(
+        "Fuzzing rules [:bar] :percent, :elapseds elapsed, eta :etas, errors so far: :elapsedErrors",
+        { width: 30, total: crashTestCount + autofixTestCount * ESTIMATED_CRASH_AUTOFIX_PERFORMANCE_RATIO }
+    );
+
+    // Start displaying the progress bar.
+    progressBar.tick(0, { elapsedErrors: 0 });
+
+    const crashTestResults = fuzz({
+        linter,
+        count: crashTestCount,
+        checkAutofixes: false,
+        progressCallback: elapsedErrors => {
+            progressBar.tick(1, { elapsedErrors });
+            progressBar.render();
+        }
+    });
+
+    const autofixTestResults = fuzz({
+        linter,
+        count: autofixTestCount,
+        checkAutofixes: true,
+        progressCallback: elapsedErrors => {
+            progressBar.tick(ESTIMATED_CRASH_AUTOFIX_PERFORMANCE_RATIO, { elapsedErrors: crashTestResults.length + elapsedErrors });
+            progressBar.render();
+        }
+    });
+
+    return crashTestResults.concat(autofixTestResults);
+
+}
+
+module.exports = { run };
diff --git a/eslint/tools/internal-rules/consistent-docs-url.js b/eslint/tools/internal-rules/consistent-docs-url.js
new file mode 100644
index 0000000..1a52bd5
--- /dev/null
+++ b/eslint/tools/internal-rules/consistent-docs-url.js
@@ -0,0 +1,113 @@
+/**
+ * @fileoverview Internal rule to enforce meta.docs.url conventions.
+ * @author Patrick McElhaney
+ */
+
+"use strict";
+
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the property of the Object node passed in that has the name specified.
+ * @param {string} property Name of the property to return.
+ * @param {ASTNode} node The ObjectExpression node.
+ * @returns {ASTNode} The Property node or null if not found.
+ */
+function getPropertyFromObject(property, node) {
+    const properties = node.properties;
+
+    if (!Array.isArray(properties)) {
+
+        // if properties is not an array, "internal-no-invalid-meta" will already report this.
+        return null;
+    }
+
+    for (let i = 0; i < properties.length; i++) {
+        if (properties[i].key.name === property) {
+            return properties[i];
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Verifies that the meta.docs.url property is present and has the correct value.
+ * @param {RuleContext} context The ESLint rule context.
+ * @param {ASTNode} exportsNode ObjectExpression node that the rule exports.
+ * @returns {void}
+ */
+function checkMetaDocsUrl(context, exportsNode) {
+    if (exportsNode.type !== "ObjectExpression") {
+
+        // if the exported node is not the correct format, "internal-no-invalid-meta" will already report this.
+        return;
+    }
+
+    const metaProperty = getPropertyFromObject("meta", exportsNode);
+    const metaDocs = metaProperty && getPropertyFromObject("docs", metaProperty.value);
+    const metaDocsUrl = metaDocs && getPropertyFromObject("url", metaDocs.value);
+
+    if (!metaDocs) {
+        context.report({
+            node: metaProperty,
+            message: "Rule is missing a meta.docs property"
+        });
+        return;
+    }
+
+    if (!metaDocsUrl) {
+        context.report({
+            node: metaDocs,
+            message: "Rule is missing a meta.docs.url property"
+        });
+        return;
+    }
+
+    const ruleId = path.basename(context.getFilename().replace(/.js$/u, ""));
+    const expected = `https://eslint.org/docs/rules/${ruleId}`;
+    const url = metaDocsUrl.value.value;
+
+    if (url !== expected) {
+        context.report({
+            node: metaDocsUrl.value,
+            message: `Incorrect url. Expected "${expected}" but got "${url}"`
+        });
+    }
+
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "enforce correct conventions of `meta.docs.url` property in core rules",
+            category: "Internal",
+            recommended: false
+        },
+        type: "suggestion",
+        schema: []
+    },
+
+    create(context) {
+        return {
+            AssignmentExpression(node) {
+                if (node.left &&
+                    node.right &&
+                    node.left.type === "MemberExpression" &&
+                    node.left.object.name === "module" &&
+                    node.left.property.name === "exports") {
+
+                    checkMetaDocsUrl(context, node.right);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/tools/internal-rules/consistent-meta-messages.js b/eslint/tools/internal-rules/consistent-meta-messages.js
new file mode 100644
index 0000000..b094c86
--- /dev/null
+++ b/eslint/tools/internal-rules/consistent-meta-messages.js
@@ -0,0 +1,80 @@
+/**
+ * @fileoverview A rule to enforce using `meta.messages` property in core rules
+ * @author 薛定谔的猫<hh_2013@foxmail.com>
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the property of the Object node passed in that has the name specified.
+ * @param {string} property Name of the property to return.
+ * @param {ASTNode} node The ObjectExpression node.
+ * @returns {ASTNode} The Property node or null if not found.
+ */
+function getPropertyFromObject(property, node) {
+    const properties = node.properties;
+
+    for (let i = 0; i < properties.length; i++) {
+        if (properties[i].key.name === property) {
+            return properties[i];
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Verifies that the meta.messages property is present.
+ * TODO: check it has the correct value
+ * @param {RuleContext} context The ESLint rule context.
+ * @param {ASTNode} exportsNode ObjectExpression node that the rule exports.
+ * @returns {void}
+ */
+function checkMetaMessages(context, exportsNode) {
+    if (exportsNode.type !== "ObjectExpression") {
+
+        // if the exported node is not the correct format, "internal-no-invalid-meta" will already report this.
+        return;
+    }
+
+    const metaProperty = getPropertyFromObject("meta", exportsNode);
+    const messages = metaProperty && getPropertyFromObject("messages", metaProperty.value);
+
+    if (!messages) {
+        context.report({
+            node: metaProperty,
+            messageId: "expectedMessages"
+        });
+    }
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "enforce using `meta.messages` property in core rules",
+            category: "Internal",
+            recommended: false
+        },
+        schema: [],
+        type: "suggestion",
+        messages: {
+            expectedMessages: "Expected `meta.messages` property."
+        }
+    },
+
+    create(context) {
+        return {
+            "AssignmentExpression[left.object.name='module'][left.property.name='exports']"(node) {
+                checkMetaMessages(context, node.right);
+            }
+        };
+    }
+};
diff --git a/eslint/tools/internal-rules/index.js b/eslint/tools/internal-rules/index.js
new file mode 100644
index 0000000..a3a3cd1
--- /dev/null
+++ b/eslint/tools/internal-rules/index.js
@@ -0,0 +1,13 @@
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+
+module.exports = {
+    rules: Object.assign(
+        {},
+        ...fs.readdirSync(__dirname)
+            .filter(filename => filename.endsWith(".js") && filename !== "index.js")
+            .map(filename => ({ [filename.replace(/\.js$/u, "")]: require(path.resolve(__dirname, filename)) }))
+    )
+};
diff --git a/eslint/tools/internal-rules/multiline-comment-style.js b/eslint/tools/internal-rules/multiline-comment-style.js
new file mode 100644
index 0000000..b0a0c9d
--- /dev/null
+++ b/eslint/tools/internal-rules/multiline-comment-style.js
@@ -0,0 +1,25 @@
+/**
+ * @fileoverview A modified version of the `multiline-comment-style` rule that ignores banner comments.
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+const ruleComposer = require("eslint-rule-composer");
+const multilineCommentStyle = require("../../lib/rules/multiline-comment-style");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+// The `no-invalid-meta` internal rule has a false positive here.
+// eslint-disable-next-line internal-rules/no-invalid-meta
+module.exports = ruleComposer.filterReports(
+    multilineCommentStyle,
+    (problem, metadata) => {
+        const problemIndex = metadata.sourceCode.getIndexFromLoc(problem.loc.start);
+        const reportedToken = metadata.sourceCode.getTokenByRangeStart(problemIndex, { includeComments: true });
+
+        return !(reportedToken && reportedToken.type === "Line" && /^-{2,}$/u.test(reportedToken.value));
+    }
+);
diff --git a/eslint/tools/internal-rules/no-invalid-meta.js b/eslint/tools/internal-rules/no-invalid-meta.js
new file mode 100644
index 0000000..e5a74b3
--- /dev/null
+++ b/eslint/tools/internal-rules/no-invalid-meta.js
@@ -0,0 +1,200 @@
+/**
+ * @fileoverview Internal rule to prevent missing or invalid meta property in core rules.
+ * @author Vitor Balocco
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the property of the Object node passed in that has the name specified.
+ * @param {string} property Name of the property to return.
+ * @param {ASTNode} node The ObjectExpression node.
+ * @returns {ASTNode} The Property node or null if not found.
+ */
+function getPropertyFromObject(property, node) {
+    const properties = node.properties;
+
+    if (!Array.isArray(properties)) {
+
+        return null;
+    }
+
+    for (let i = 0; i < properties.length; i++) {
+        if (properties[i].key.name === property) {
+            return properties[i];
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Extracts the `meta` property from the ObjectExpression that all rules export.
+ * @param {ASTNode} exportsNode ObjectExpression node that the rule exports.
+ * @returns {ASTNode} The `meta` Property node or null if not found.
+ */
+function getMetaPropertyFromExportsNode(exportsNode) {
+    return getPropertyFromObject("meta", exportsNode);
+}
+
+/**
+ * Whether this `meta` ObjectExpression has a `docs` property defined or not.
+ * @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
+ * @returns {boolean} `true` if a `docs` property exists.
+ */
+function hasMetaDocs(metaPropertyNode) {
+    return Boolean(getPropertyFromObject("docs", metaPropertyNode.value));
+}
+
+/**
+ * Whether this `meta` ObjectExpression has a `docs.description` property defined or not.
+ * @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
+ * @returns {boolean} `true` if a `docs.description` property exists.
+ */
+function hasMetaDocsDescription(metaPropertyNode) {
+    const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value);
+
+    return metaDocs && getPropertyFromObject("description", metaDocs.value);
+}
+
+/**
+ * Whether this `meta` ObjectExpression has a `docs.category` property defined or not.
+ * @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
+ * @returns {boolean} `true` if a `docs.category` property exists.
+ */
+function hasMetaDocsCategory(metaPropertyNode) {
+    const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value);
+
+    return metaDocs && getPropertyFromObject("category", metaDocs.value);
+}
+
+/**
+ * Whether this `meta` ObjectExpression has a `docs.recommended` property defined or not.
+ * @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
+ * @returns {boolean} `true` if a `docs.recommended` property exists.
+ */
+function hasMetaDocsRecommended(metaPropertyNode) {
+    const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value);
+
+    return metaDocs && getPropertyFromObject("recommended", metaDocs.value);
+}
+
+/**
+ * Whether this `meta` ObjectExpression has a `schema` property defined or not.
+ * @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
+ * @returns {boolean} `true` if a `schema` property exists.
+ */
+function hasMetaSchema(metaPropertyNode) {
+    return getPropertyFromObject("schema", metaPropertyNode.value);
+}
+
+/**
+ * Checks the validity of the meta definition of this rule and reports any errors found.
+ * @param {RuleContext} context The ESLint rule context.
+ * @param {ASTNode} exportsNode ObjectExpression node that the rule exports.
+ * @returns {void}
+ */
+function checkMetaValidity(context, exportsNode) {
+    const metaProperty = getMetaPropertyFromExportsNode(exportsNode);
+
+    if (!metaProperty) {
+        context.report({ node: exportsNode, messageId: "missingMeta" });
+        return;
+    }
+
+    if (!hasMetaDocs(metaProperty)) {
+        context.report({ node: metaProperty, messageId: "missingMetaDocs" });
+        return;
+    }
+
+    if (!hasMetaDocsDescription(metaProperty)) {
+        context.report({ node: metaProperty, messageId: "missingMetaDocsDescription" });
+        return;
+    }
+
+    if (!hasMetaDocsCategory(metaProperty)) {
+        context.report({ node: metaProperty, messageId: "missingMetaDocsCategory" });
+        return;
+    }
+
+    if (!hasMetaDocsRecommended(metaProperty)) {
+        context.report({ node: metaProperty, messageId: "missingMetaDocsRecommended" });
+        return;
+    }
+
+    if (!hasMetaSchema(metaProperty)) {
+        context.report({ node: metaProperty, messageId: "missingMetaSchema" });
+    }
+}
+
+/**
+ * Whether this node is the correct format for a rule definition or not.
+ * @param {ASTNode} node node that the rule exports.
+ * @returns {boolean} `true` if the exported node is the correct format for a rule definition
+ */
+function isCorrectExportsFormat(node) {
+    return node.type === "ObjectExpression";
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "enforce correct use of `meta` property in core rules",
+            category: "Internal",
+            recommended: false
+        },
+        type: "problem",
+        schema: [],
+        messages: {
+            missingMeta: "Rule is missing a meta property.",
+            missingMetaDocs: "Rule is missing a meta.docs property.",
+            missingMetaDocsDescription: "Rule is missing a meta.docs.description property.",
+            missingMetaDocsCategory: "Rule is missing a meta.docs.category property.",
+            missingMetaDocsRecommended: "Rule is missing a meta.docs.recommended property.",
+            missingMetaSchema: "Rule is missing a meta.schema property.",
+            noExport: "Rule does not export anything. Make sure rule exports an object according to new rule format.",
+            incorrectExport: "Rule does not export an Object. Make sure the rule follows the new rule format."
+        }
+    },
+
+    create(context) {
+        let exportsNode;
+
+        return {
+            AssignmentExpression(node) {
+                if (node.left &&
+                    node.right &&
+                    node.left.type === "MemberExpression" &&
+                    node.left.object.name === "module" &&
+                    node.left.property.name === "exports") {
+
+                    exportsNode = node.right;
+                }
+            },
+
+            "Program:exit"(node) {
+                if (!exportsNode) {
+                    context.report({
+                        node,
+                        messageId: "noExport"
+                    });
+                } else if (!isCorrectExportsFormat(exportsNode)) {
+                    context.report({
+                        node: exportsNode,
+                        messageId: "incorrectExport"
+                    });
+                } else {
+                    checkMetaValidity(context, exportsNode);
+                }
+            }
+        };
+    }
+};
diff --git a/eslint/tools/internal-rules/package.json b/eslint/tools/internal-rules/package.json
new file mode 100644
index 0000000..30287c6
--- /dev/null
+++ b/eslint/tools/internal-rules/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "eslint-plugin-internal-rules",
+  "version": "0.0.0",
+  "private": true,
+  "files": [],
+  "dependencies": {
+    "eslint-rule-composer": "^0.3.0"
+  }
+}
diff --git a/eslint/tools/internal-testers/event-generator-tester.js b/eslint/tools/internal-testers/event-generator-tester.js
new file mode 100644
index 0000000..a5ec8e1
--- /dev/null
+++ b/eslint/tools/internal-testers/event-generator-tester.js
@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Helpers to test EventGenerator interface.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+/* global describe, it */
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+
+    /**
+     * Overridable `describe` function to test.
+     * @param {string} text A description.
+     * @param {Function} method A test logic.
+     * @returns {any} The returned value with the test logic.
+     */
+    describe: (typeof describe === "function") ? describe : /* istanbul ignore next */ function(text, method) {
+        return method.apply(this);
+    },
+
+    /**
+     * Overridable `it` function to test.
+     * @param {string} text A description.
+     * @param {Function} method A test logic.
+     * @returns {any} The returned value with the test logic.
+     */
+    it: (typeof it === "function") ? it : /* istanbul ignore next */ function(text, method) {
+        return method.apply(this);
+    },
+
+    /**
+     * Does some tests to check a given object implements the EventGenerator interface.
+     * @param {Object} instance An object to check.
+     * @returns {void}
+     */
+    testEventGeneratorInterface(instance) {
+        this.describe("should implement EventGenerator interface", () => {
+            this.it("should have `emitter` property.", () => {
+                assert.strictEqual(typeof instance.emitter, "object");
+                assert.strictEqual(typeof instance.emitter.emit, "function");
+            });
+
+            this.it("should have `enterNode` property.", () => {
+                assert.strictEqual(typeof instance.enterNode, "function");
+            });
+
+            this.it("should have `leaveNode` property.", () => {
+                assert.strictEqual(typeof instance.leaveNode, "function");
+            });
+        });
+    }
+};
diff --git a/eslint/tools/internal-testers/test-parser.js b/eslint/tools/internal-testers/test-parser.js
new file mode 100644
index 0000000..939705e
--- /dev/null
+++ b/eslint/tools/internal-testers/test-parser.js
@@ -0,0 +1,48 @@
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+const espree = require("espree");
+const Traverser = require("../../lib/shared/traverser");
+
+/**
+ * Define `start`/`end` properties as throwing error.
+ * @param {ASTNode} node The node to define.
+ * @returns {void}
+ */
+function defineStartEndAsError(node) {
+    Object.defineProperty(node, "start", {
+        get() {
+            throw new Error("Use node.range[0] instead of node.start");
+        },
+        configurable: true,
+        enumerable: false
+    });
+    Object.defineProperty(node, "end", {
+        get() {
+            throw new Error("Use node.range[1] instead of node.end");
+        },
+        configurable: true,
+        enumerable: false
+    });
+}
+
+/**
+ * Define `start`/`end` properties of all nodes of the given AST as throwing error.
+ * @param {ASTNode} ast The root node to errorize `start`/`end` properties.
+ * @returns {void}
+ */
+function defineStartEndAsErrorInTree(ast) {
+    Traverser.traverse(ast, { enter: defineStartEndAsError });
+    ast.tokens.forEach(defineStartEndAsError);
+    ast.comments.forEach(defineStartEndAsError);
+}
+
+module.exports.parse = (code, options) => {
+    const ret = espree.parse(code, options);
+
+    defineStartEndAsErrorInTree(ret.ast || ret);
+
+    return ret;
+};
diff --git a/eslint/tools/rule-types.json b/eslint/tools/rule-types.json
new file mode 100644
index 0000000..c3c2498
--- /dev/null
+++ b/eslint/tools/rule-types.json
@@ -0,0 +1,280 @@
+{
+    "accessor-pairs": "suggestion",
+    "array-bracket-newline": "layout",
+    "array-bracket-spacing": "layout",
+    "array-callback-return": "problem",
+    "array-element-newline": "layout",
+    "arrow-body-style": "suggestion",
+    "arrow-parens": "layout",
+    "arrow-spacing": "layout",
+    "block-scoped-var": "suggestion",
+    "block-spacing": "layout",
+    "brace-style": "layout",
+    "callback-return": "suggestion",
+    "camelcase": "suggestion",
+    "capitalized-comments": "suggestion",
+    "class-methods-use-this": "suggestion",
+    "comma-dangle": "layout",
+    "comma-spacing": "layout",
+    "comma-style": "layout",
+    "complexity": "suggestion",
+    "computed-property-spacing": "layout",
+    "consistent-return": "suggestion",
+    "consistent-this": "suggestion",
+    "constructor-super": "problem",
+    "curly": "suggestion",
+    "default-case": "suggestion",
+    "default-case-last": "suggestion",
+    "default-param-last": "suggestion",
+    "dot-location": "layout",
+    "dot-notation": "suggestion",
+    "eol-last": "layout",
+    "eqeqeq": "suggestion",
+    "for-direction": "problem",
+    "func-call-spacing": "layout",
+    "func-name-matching": "suggestion",
+    "func-names": "suggestion",
+    "func-style": "suggestion",
+    "function-call-argument-newline": "layout",
+    "function-paren-newline": "layout",
+    "generator-star-spacing": "layout",
+    "getter-return": "problem",
+    "global-require": "suggestion",
+    "grouped-accessor-pairs": "suggestion",
+    "guard-for-in": "suggestion",
+    "handle-callback-err": "suggestion",
+    "id-blacklist": "suggestion",
+    "id-length": "suggestion",
+    "id-match": "suggestion",
+    "implicit-arrow-linebreak": "layout",
+    "indent": "layout",
+    "indent-legacy": "layout",
+    "init-declarations": "suggestion",
+    "jsx-quotes": "layout",
+    "key-spacing": "layout",
+    "keyword-spacing": "layout",
+    "line-comment-position": "layout",
+    "linebreak-style": "layout",
+    "lines-around-comment": "layout",
+    "lines-around-directive": "layout",
+    "lines-between-class-members": "layout",
+    "max-classes-per-file": "suggestion",
+    "max-depth": "suggestion",
+    "max-len": "layout",
+    "max-lines": "suggestion",
+    "max-lines-per-function": "suggestion",
+    "max-nested-callbacks": "suggestion",
+    "max-params": "suggestion",
+    "max-statements": "suggestion",
+    "max-statements-per-line": "layout",
+    "multiline-comment-style": "suggestion",
+    "multiline-ternary": "layout",
+    "new-cap": "suggestion",
+    "new-parens": "layout",
+    "newline-after-var": "layout",
+    "newline-before-return": "layout",
+    "newline-per-chained-call": "layout",
+    "no-alert": "suggestion",
+    "no-array-constructor": "suggestion",
+    "no-async-promise-executor": "problem",
+    "no-await-in-loop": "problem",
+    "no-bitwise": "suggestion",
+    "no-buffer-constructor": "problem",
+    "no-caller": "suggestion",
+    "no-case-declarations": "suggestion",
+    "no-catch-shadow": "suggestion",
+    "no-class-assign": "problem",
+    "no-compare-neg-zero": "problem",
+    "no-cond-assign": "problem",
+    "no-confusing-arrow": "suggestion",
+    "no-console": "suggestion",
+    "no-const-assign": "problem",
+    "no-constant-condition": "problem",
+    "no-constructor-return": "problem",
+    "no-continue": "suggestion",
+    "no-control-regex": "problem",
+    "no-debugger": "problem",
+    "no-delete-var": "suggestion",
+    "no-div-regex": "suggestion",
+    "no-dupe-args": "problem",
+    "no-dupe-class-members": "problem",
+    "no-dupe-else-if": "problem",
+    "no-dupe-keys": "problem",
+    "no-duplicate-case": "problem",
+    "no-duplicate-imports": "problem",
+    "no-else-return": "suggestion",
+    "no-empty": "suggestion",
+    "no-empty-character-class": "problem",
+    "no-empty-function": "suggestion",
+    "no-empty-pattern": "problem",
+    "no-eq-null": "suggestion",
+    "no-eval": "suggestion",
+    "no-ex-assign": "problem",
+    "no-extend-native": "suggestion",
+    "no-extra-bind": "suggestion",
+    "no-extra-boolean-cast": "suggestion",
+    "no-extra-label": "suggestion",
+    "no-extra-parens": "layout",
+    "no-extra-semi": "suggestion",
+    "no-fallthrough": "problem",
+    "no-floating-decimal": "suggestion",
+    "no-func-assign": "problem",
+    "no-global-assign": "suggestion",
+    "no-implicit-coercion": "suggestion",
+    "no-implicit-globals": "suggestion",
+    "no-implied-eval": "suggestion",
+    "no-import-assign": "problem",
+    "no-inline-comments": "suggestion",
+    "no-inner-declarations": "problem",
+    "no-invalid-regexp": "problem",
+    "no-invalid-this": "suggestion",
+    "no-irregular-whitespace": "problem",
+    "no-iterator": "suggestion",
+    "no-label-var": "suggestion",
+    "no-labels": "suggestion",
+    "no-lone-blocks": "suggestion",
+    "no-lonely-if": "suggestion",
+    "no-loop-func": "suggestion",
+    "no-magic-numbers": "suggestion",
+    "no-misleading-character-class": "problem",
+    "no-mixed-operators": "suggestion",
+    "no-mixed-requires": "suggestion",
+    "no-mixed-spaces-and-tabs": "layout",
+    "no-multi-assign": "suggestion",
+    "no-multi-spaces": "layout",
+    "no-multi-str": "suggestion",
+    "no-multiple-empty-lines": "layout",
+    "no-native-reassign": "suggestion",
+    "no-negated-condition": "suggestion",
+    "no-negated-in-lhs": "problem",
+    "no-nested-ternary": "suggestion",
+    "no-new": "suggestion",
+    "no-new-func": "suggestion",
+    "no-new-object": "suggestion",
+    "no-new-require": "suggestion",
+    "no-new-symbol": "problem",
+    "no-new-wrappers": "suggestion",
+    "no-obj-calls": "problem",
+    "no-octal": "suggestion",
+    "no-octal-escape": "suggestion",
+    "no-param-reassign": "suggestion",
+    "no-path-concat": "suggestion",
+    "no-plusplus": "suggestion",
+    "no-process-env": "suggestion",
+    "no-process-exit": "suggestion",
+    "no-proto": "suggestion",
+    "no-prototype-builtins": "problem",
+    "no-redeclare": "suggestion",
+    "no-regex-spaces": "suggestion",
+    "no-restricted-exports": "suggestion",
+    "no-restricted-globals": "suggestion",
+    "no-restricted-imports": "suggestion",
+    "no-restricted-modules": "suggestion",
+    "no-restricted-properties": "suggestion",
+    "no-restricted-syntax": "suggestion",
+    "no-return-assign": "suggestion",
+    "no-return-await": "suggestion",
+    "no-script-url": "suggestion",
+    "no-self-assign": "problem",
+    "no-self-compare": "problem",
+    "no-sequences": "suggestion",
+    "no-setter-return": "problem",
+    "no-shadow": "suggestion",
+    "no-shadow-restricted-names": "suggestion",
+    "no-spaced-func": "layout",
+    "no-sparse-arrays": "problem",
+    "no-sync": "suggestion",
+    "no-tabs": "layout",
+    "no-template-curly-in-string": "problem",
+    "no-ternary": "suggestion",
+    "no-this-before-super": "problem",
+    "no-throw-literal": "suggestion",
+    "no-trailing-spaces": "layout",
+    "no-undef": "problem",
+    "no-undef-init": "suggestion",
+    "no-undefined": "suggestion",
+    "no-underscore-dangle": "suggestion",
+    "no-unexpected-multiline": "problem",
+    "no-unmodified-loop-condition": "problem",
+    "no-unneeded-ternary": "suggestion",
+    "no-unreachable": "problem",
+    "no-unsafe-finally": "problem",
+    "no-unsafe-negation": "problem",
+    "no-unused-expressions": "suggestion",
+    "no-unused-labels": "suggestion",
+    "no-unused-vars": "problem",
+    "no-use-before-define": "problem",
+    "no-useless-backreference": "problem",
+    "no-useless-call": "suggestion",
+    "no-useless-catch": "suggestion",
+    "no-useless-computed-key": "suggestion",
+    "no-useless-concat": "suggestion",
+    "no-useless-constructor": "suggestion",
+    "no-useless-escape": "suggestion",
+    "no-useless-rename": "suggestion",
+    "no-useless-return": "suggestion",
+    "no-var": "suggestion",
+    "no-void": "suggestion",
+    "no-warning-comments": "suggestion",
+    "no-whitespace-before-property": "layout",
+    "no-with": "suggestion",
+    "nonblock-statement-body-position": "layout",
+    "object-curly-newline": "layout",
+    "object-curly-spacing": "layout",
+    "object-property-newline": "layout",
+    "object-shorthand": "suggestion",
+    "one-var": "suggestion",
+    "one-var-declaration-per-line": "suggestion",
+    "operator-assignment": "suggestion",
+    "operator-linebreak": "layout",
+    "padded-blocks": "layout",
+    "padding-line-between-statements": "layout",
+    "prefer-arrow-callback": "suggestion",
+    "prefer-const": "suggestion",
+    "prefer-destructuring": "suggestion",
+    "prefer-exponentiation-operator": "suggestion",
+    "prefer-named-capture-group": "suggestion",
+    "prefer-numeric-literals": "suggestion",
+    "prefer-object-spread": "suggestion",
+    "prefer-promise-reject-errors": "suggestion",
+    "prefer-reflect": "suggestion",
+    "prefer-regex-literals": "suggestion",
+    "prefer-rest-params": "suggestion",
+    "prefer-spread": "suggestion",
+    "prefer-template": "suggestion",
+    "quote-props": "suggestion",
+    "quotes": "layout",
+    "radix": "suggestion",
+    "require-atomic-updates": "problem",
+    "require-await": "suggestion",
+    "require-jsdoc": "suggestion",
+    "require-unicode-regexp": "suggestion",
+    "require-yield": "suggestion",
+    "rest-spread-spacing": "layout",
+    "semi": "layout",
+    "semi-spacing": "layout",
+    "semi-style": "layout",
+    "sort-imports": "suggestion",
+    "sort-keys": "suggestion",
+    "sort-vars": "suggestion",
+    "space-before-blocks": "layout",
+    "space-before-function-paren": "layout",
+    "space-in-parens": "layout",
+    "space-infix-ops": "layout",
+    "space-unary-ops": "layout",
+    "spaced-comment": "suggestion",
+    "strict": "suggestion",
+    "switch-colon-spacing": "layout",
+    "symbol-description": "suggestion",
+    "template-curly-spacing": "layout",
+    "template-tag-spacing": "layout",
+    "unicode-bom": "layout",
+    "use-isnan": "problem",
+    "valid-jsdoc": "suggestion",
+    "valid-typeof": "problem",
+    "vars-on-top": "suggestion",
+    "wrap-iife": "layout",
+    "wrap-regex": "layout",
+    "yield-star-spacing": "layout",
+    "yoda": "suggestion"
+}
diff --git a/eslint/tools/update-readme.js b/eslint/tools/update-readme.js
new file mode 100644
index 0000000..24fe3c0
--- /dev/null
+++ b/eslint/tools/update-readme.js
@@ -0,0 +1,127 @@
+/**
+ * @fileoverview Script to update the README with team and sponsors.
+ * Note that this requires eslint/website to be available in the same
+ * directory as the eslint repo.
+ *
+ *   node tools/update-readme.js
+ *
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const path = require("path");
+const fs = require("fs");
+const { stripIndents } = require("common-tags");
+const ejs = require("ejs");
+
+//-----------------------------------------------------------------------------
+// Data
+//-----------------------------------------------------------------------------
+
+const README_FILE_PATH = path.resolve(__dirname, "../README.md");
+const WEBSITE_DATA_PATH = path.resolve(__dirname, "../../website/_data");
+
+const team = JSON.parse(fs.readFileSync(path.join(WEBSITE_DATA_PATH, "team.json")));
+const allSponsors = JSON.parse(fs.readFileSync(path.join(WEBSITE_DATA_PATH, "sponsors.json")));
+const readme = fs.readFileSync(README_FILE_PATH, "utf8");
+
+const heights = {
+    gold: 96,
+    silver: 64,
+    bronze: 32
+};
+
+// remove backers from sponsors list - not shown on readme
+delete allSponsors.backers;
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+/**
+ * Formats an array of team members for inclusion in the readme.
+ * @param {Array} members The array of members to format.
+ * @returns {string} The HTML for the members list.
+ */
+function formatTeamMembers(members) {
+    /* eslint-disable indent*/
+    return stripIndents`
+        <table><tbody><tr>${
+        members.map((member, index) => `<td align="center" valign="top" width="11%">
+            <a href="https://github.com/${member.username}">
+                <img src="https://github.com/${member.username}.png?s=75" width="75" height="75"><br />
+                ${member.name}
+            </a>
+            </td>${(index + 1) % 9 === 0 ? "</tr><tr>" : ""}`).join("")
+        }</tr></tbody></table>`;
+    /* eslint-enable indent*/
+}
+
+/**
+ * Formats an array of sponsors into HTML for the readme.
+ * @param {Array} sponsors The array of sponsors.
+ * @returns {string} The HTML for the readme.
+ */
+function formatSponsors(sponsors) {
+    const nonEmptySponsors = Object.keys(sponsors).filter(tier => sponsors[tier].length > 0);
+
+    /* eslint-disable indent*/
+    return stripIndents`<!--sponsorsstart-->
+        ${
+            nonEmptySponsors.map(tier => `<h3>${tier[0].toUpperCase()}${tier.slice(1)} Sponsors</h3>
+            <p>${
+                sponsors[tier].map(sponsor => `<a href="${sponsor.url}"><img src="${sponsor.image}" alt="${sponsor.name}" height="${heights[tier]}"></a>`).join(" ")
+            }</p>`).join("")
+        }
+    <!--sponsorsend-->`;
+    /* eslint-enable indent*/
+}
+
+//-----------------------------------------------------------------------------
+// Main
+//-----------------------------------------------------------------------------
+
+const HTML_TEMPLATE = stripIndents`
+
+    <!--teamstart-->
+
+    ### Technical Steering Committee (TSC)
+
+    The people who manage releases, review feature requests, and meet regularly to ensure ESLint is properly maintained.
+
+    <%- formatTeamMembers(team.tsc) %>
+
+    <% if (team.reviewers.length > 0) { %>
+    ### Reviewers
+
+    The people who review and implement new features.
+
+    <%- formatTeamMembers(team.reviewers) %>
+
+    <% } %>
+
+    <% if (team.committers.length > 0) { %>
+    ### Committers
+
+    The people who review and fix bugs and help triage issues.
+
+    <%- formatTeamMembers(team.committers) %>
+
+    <% } %>
+    <!--teamend-->
+`;
+
+// replace all of the section
+let newReadme = readme.replace(/<!--teamstart-->[\w\W]*?<!--teamend-->/u, ejs.render(HTML_TEMPLATE, {
+    team,
+    formatTeamMembers
+}));
+
+newReadme = newReadme.replace(/<!--sponsorsstart-->[\w\W]*?<!--sponsorsend-->/u, formatSponsors(allSponsors));
+
+// output to the file
+fs.writeFileSync(README_FILE_PATH, newReadme, "utf8");
diff --git a/eslint/tools/update-rule-types.js b/eslint/tools/update-rule-types.js
new file mode 100644
index 0000000..0cb40a7
--- /dev/null
+++ b/eslint/tools/update-rule-types.js
@@ -0,0 +1,76 @@
+/**
+ * JSCodeShift script to update meta.type in rules.
+ * Run over the rules directory only. Use this command:
+ *
+ *   jscodeshift -t tools/update-rule-types.js lib/rules/
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+const path = require("path");
+const ruleTypes = require("./rule-types.json");
+
+module.exports = (fileInfo, api) => {
+    const j = api.jscodeshift;
+    const source = fileInfo.source;
+    const ruleName = path.basename(fileInfo.path, ".js");
+
+    // get the object literal representing the rule
+    const nodes = j(source).find(j.ObjectExpression).filter(p => p.node.properties.some(node => node.key.name === "meta"));
+
+    // updating logic
+    return nodes.replaceWith(p => {
+
+        // gather important nodes from the rule
+        const metaNode = p.node.properties.find(node => node.key.name === "meta");
+
+        // if there's no properties, just exit
+        if (!metaNode.value.properties) {
+            return p.node;
+        }
+
+        const typeNode = metaNode.value.properties.find(node => node.key.name === "type");
+        const docsNode = metaNode.value.properties.find(node => node.key.name === "docs");
+        const categoryNode = docsNode.value.properties.find(node => node.key.name === "category").value;
+
+        let ruleType;
+
+        // the rule-types.json file takes highest priority
+        if (ruleName in ruleTypes) {
+            ruleType = ruleTypes[ruleName];
+        } else {
+
+            // otherwise fallback to category
+            switch (categoryNode.value) {
+                case "Stylistic Issues":
+                    ruleType = "style";
+                    break;
+
+                case "Possible Errors":
+                    ruleType = "problem";
+                    break;
+
+                default:
+                    ruleType = "suggestion";
+            }
+        }
+
+        if (typeNode) {
+
+            // update existing type node
+            typeNode.value = j.literal(ruleType);
+        } else {
+
+            // add new type node if one doesn't exist
+            const newProp = j.property(
+                "init",
+                j.identifier("type"),
+                j.literal(ruleType)
+            );
+
+            p.node.properties[0].value.properties.unshift(newProp);
+        }
+
+        return p.node;
+    }).toSource();
+};
diff --git a/eslint/webpack.config.js b/eslint/webpack.config.js
new file mode 100644
index 0000000..29d60cb
--- /dev/null
+++ b/eslint/webpack.config.js
@@ -0,0 +1,49 @@
+"use strict";
+
+module.exports = {
+    mode: "none",
+    entry: {
+        eslint: ["core-js/stable", "regenerator-runtime/runtime", "./lib/linter/linter.js"]
+    },
+    output: {
+        filename: "[name].js",
+        library: "[name]",
+        libraryTarget: "umd",
+        globalObject: "this"
+    },
+    module: {
+        rules: [
+            {
+                test: /\.m?js$/u,
+                loader: "babel-loader",
+                options: {
+                    presets: [
+                        ["@babel/preset-env", {
+                            debug: true, // ← to print actual browser versions
+
+                            /*
+                             * We want to remove `transform-unicode-regex` convert because of https://github.com/eslint/eslint/pull/12662.
+                             *
+                             * With `>0.5%`, `@babel/preset-env@7.7.6` prints below:
+                             *
+                             *     transform-unicode-regex { "chrome":"49", "ie":"11", "safari":"5.1" }
+                             *
+                             * So this excludes those versions:
+                             *
+                             * - IE 11
+                             * - Chrome 49 (2016; the last version on Windows XP)
+                             * - Safari 5.1 (2011-2013; the last version on Windows)
+                             */
+                            targets: ">0.5%, not chrome 49, not ie 11, not safari 5.1"
+                        }]
+                    ]
+                },
+                exclude: /node_modules[\\/]lodash/u
+            }
+        ]
+    },
+    resolve: {
+        mainFields: ["main", "module"]
+    },
+    stats: "errors-only"
+};
diff --git a/patches/0001-adapt-webpack-config.patch b/patches/0001-adapt-webpack-config.patch
new file mode 100644
index 0000000..4698e74
--- /dev/null
+++ b/patches/0001-adapt-webpack-config.patch
@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Dominik Csapak <d.csapak@proxmox.com>
+Date: Thu, 2 Apr 2020 07:10:18 +0000
+Subject: [PATCH] adapt webpack config
+
+changes to 'var' from 'umd' since we want to use it in the same file
+adds 'cli-engine' to build (we use it in our wrapper)
+and target 'node' since we will use it on the cli
+
+Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
+---
+ webpack.config.js | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/webpack.config.js b/webpack.config.js
+index 29d60cb4..95027075 100644
+--- a/webpack.config.js
++++ b/webpack.config.js
+@@ -2,14 +2,14 @@
+ 
+ module.exports = {
+     mode: "none",
++    target: "node",
+     entry: {
+-        eslint: ["core-js/stable", "regenerator-runtime/runtime", "./lib/linter/linter.js"]
++        eslint: ["core-js/stable", "regenerator-runtime/runtime", "./lib/linter/linter.js", "./lib/cli-engine/index.js"]
+     },
+     output: {
+         filename: "[name].js",
+         library: "[name]",
+-        libraryTarget: "umd",
+-        globalObject: "this"
++        libraryTarget: "var"
+     },
+     module: {
+         rules: [
+-- 
+2.20.1
+
diff --git a/patches/series b/patches/series
new file mode 100644
index 0000000..c26de68
--- /dev/null
+++ b/patches/series
@@ -0,0 +1 @@
+0001-adapt-webpack-config.patch
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..bef1c57
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,15 @@
+eslint: app.js eslint.js
+	echo "#!/usr/bin/env node" >$@.tmp
+	cat eslint.js >>$@.tmp
+	cat app.js >>$@.tmp
+	mv $@.tmp $@
+
+install: eslint
+	install -D -m 0755 $< ${DESTDIR}/usr/bin/$<
+
+.PHONY: distclean
+distclean: clean
+
+.PHONY: clean
+clean:
+	rm -rf *~ eslint eslint.tmp
diff --git a/src/app.js b/src/app.js
new file mode 100644
index 0000000..59a15c6
--- /dev/null
+++ b/src/app.js
@@ -0,0 +1,329 @@
+(function () {
+'use strict';
+
+const color = require('colors');
+const program = require('commander');
+
+program
+    .usage('[options] [<file(s) ...>]')
+    .option('-c, --config <configfile>', 'uses <configfile> for eslint config instead.')
+    .option('-f, --fix', 'if set, fixes will be applied.');
+
+program.on('--help', function() {
+    console.log('');
+    console.log('  Description:');
+    console.log('');
+    console.log('    lints javascript files');
+    console.log('    if no files are given, lints the current working directory');
+    console.log('');
+});
+
+program.parse(process.argv);
+
+let paths = program.args;
+
+if (!paths.length) {
+    paths = [process.cwd()];
+}
+
+const defaultConfig = {
+    parserOptions: {
+	ecmaVersion: 2017,
+	ecmaFeatures: {
+	    impliedStrict: true,
+	}
+    },
+    env: {
+	browser: true,
+	node: true,
+	es2017: true,
+    },
+    globals: {
+	eslint: "writable",
+	Ext: "writable",
+	PVE: "writable",
+	PMG: "writable",
+	PVE_vnc_console_event: "writable",
+	FormData: "writable",
+	gettext: "writable",
+	Proxmox: "writable",
+	console: "writable",
+    },
+    rules: {
+	// from eslint:recommend, with tweaks for our source
+	"constructor-super": "error",
+	"for-direction": "error",
+	"getter-return": "error",
+	"no-async-promise-executor": "error",
+	"no-case-declarations": "error",
+	"no-class-assign": "error",
+	"no-compare-neg-zero": "error",
+	"no-cond-assign": "error",
+	"no-const-assign": "error",
+	"no-constant-condition": "error",
+	"no-control-regex": "error",
+	"no-debugger": "error",
+	"no-delete-var": "error",
+	"no-dupe-args": "error",
+	"no-dupe-class-members": "error",
+	"no-dupe-else-if": "error",
+	"no-dupe-keys": "error",
+	"no-duplicate-case": "error",
+	"no-empty": "error",
+	"no-empty-character-class": "error",
+	"no-empty-pattern": "error",
+	"no-ex-assign": "error",
+	"no-extra-boolean-cast": "error",
+	"no-extra-semi": "error",
+	"no-fallthrough": "error",
+	"no-func-assign": "error",
+	"no-global-assign": "error",
+	"no-import-assign": "error",
+	"no-inner-declarations": "error",
+	"no-invalid-regexp": "error",
+	"no-irregular-whitespace": "error",
+	"no-misleading-character-class": "error",
+	"no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
+	"no-new-symbol": "error",
+	"no-obj-calls": "error",
+	"no-octal": "error",
+	"no-prototype-builtins": "error",
+	"no-redeclare": "error",
+	"no-regex-spaces": "error",
+	"no-self-assign": "error",
+	"no-setter-return": "error",
+	"no-shadow-restricted-names": "error",
+	"no-sparse-arrays": "error",
+	"no-this-before-super": "error",
+	"no-undef": "error",
+	"no-unexpected-multiline": "error",
+	"no-unreachable": "error",
+	"no-unsafe-finally": "error",
+	"no-unsafe-negation": "error",
+	"no-unused-labels": "error",
+	"no-unused-vars": ["error", { vars: "all", args: "none" } ],
+	"no-useless-catch": "error",
+	"no-useless-escape": "error",
+	"no-with": "error",
+	"require-yield": "error",
+	"use-isnan": "error",
+	"valid-typeof": "error",
+
+	// selection of best practices
+	"accessor-pairs": "error",
+	"array-callback-return": "error",
+	"block-scoped-var": "error",
+	"consistent-return": "error",
+	"curly": ["error", "multi-line"],
+	"dot-location": "error",
+	"dot-notation": "error",
+	"eqeqeq": "error",
+	"grouped-accessor-pairs": "error",
+	"guard-for-in": "error",
+	"no-alert": "error",
+	"no-await-in-loop": "error",
+	"no-caller": "error",
+	"no-constructor-return": "error",
+	"no-div-regex": "error",
+	"no-else-return": "error",
+	"no-empty-function": "error",
+	"no-eq-null": "error",
+	"no-eval": "error",
+	"no-extend-native": "error",
+	"no-extra-bind": "error",
+	"no-extra-label": "error",
+	"no-extra-parens": "error",
+	"no-floating-decimal": "error",
+	"no-implicit-coercion": "error",
+	"no-implicit-globals": "error",
+	"no-implied-eval": "error",
+	"no-invalid-this": "error",
+	"no-lone-blocks": "error",
+	"no-loop-func": "error",
+	"no-multi-spaces": "error",
+	"no-multi-str": "error",
+	"no-new": "error",
+	"no-new-func": "error",
+	"no-new-wrappers": "error",
+	"no-octal-escape": "error",
+	"no-proto": "error",
+	"no-return-assign": "error",
+	"no-return-await": "error",
+	"no-script-url": "error",
+	"no-self-compare": "error",
+	"no-sequences": "error",
+	"no-template-curly-in-string": "error",
+	"no-unmodified-loop-condition": "error",
+	"no-unused-expressions": "error",
+	"no-useless-call": "error",
+	"no-useless-concat": "error",
+	"no-useless-return": "error",
+	"no-void": "error",
+	"prefer-regex-literals": "error",
+	"radix": "error",
+	"require-atomic-updates": "error",
+	"wrap-iife": "error",
+	"yoda": "error",
+
+	// variable issues
+	"no-label-var": "error",
+	"no-shadow": "error",
+	"no-undef-init": "error",
+	"no-use-before-define": "error",
+
+	// stylistic issues, only warn, most can be auto-fixed
+	// those are quite opinionated...
+	"array-bracket-spacing": [ "warn", "never" ],
+	"brace-style": [ "warn", "1tbs", { allowSingleLine: true }],
+	"comma-dangle": [ "warn", "always-multiline" ], // maybe only-multiline?
+	"comma-spacing": "warn",
+	"comma-style": "warn",
+	"computed-property-spacing": "warn",
+	"consistent-this": [ "warn", "me" ],
+	"eol-last": "warn",
+	"func-call-spacing": "warn",
+	"func-name-matching": "warn",
+	"func-style": "warn",
+	"key-spacing": "warn",
+	"keyword-spacing": "warn",
+	"linebreak-style": "warn",
+	"max-len": [ "warn", { code: 110, tabWidth: 8, ignoreComments: true, ignoreStrings: true, ignoreRegExpLiterals: true }],
+	"no-array-constructor": "warn",
+	"no-lonely-if": "warn",
+	"no-mixed-operators": "warn",
+	"no-multiple-empty-lines": "warn",
+	"no-trailing-spaces": "warn",
+	"no-underscore-dangle": [ "warn", { allowAfterThis: true, }],
+	"no-unneeded-ternary": "warn",
+	"no-whitespace-before-property": "warn",
+	"object-curly-newline": "warn",
+	"object-curly-spacing": [ "warn", "always" ],
+	"operator-linebreak" : [ "warn", "after", { overrides: { "?": "after" }}],
+	"padded-blocks": ["warn", "never"], // not sure ...
+	"quote-props": [ "warn", "as-needed", { keywords: true, unnecessary: false }], // does nothing, maybe deactivate unnecessary
+	"semi": "warn",
+	"semi-spacing": "warn",
+	"semi-style": "warn",
+	"space-before-blocks": "warn",
+	"space-before-function-paren": ["warn", "never"],
+	"space-in-parens": "warn",
+	"space-unary-ops": "warn",
+	"switch-colon-spacing": "warn",
+	"unicode-bom": "warn",
+	"arrow-body-style": "warn",
+	"arrow-spacing": "warn",
+	"no-confusing-arrow": "warn",
+	"prefer-numeric-literals": "warn",
+	"template-curly-spacing": "warn",
+     },
+};
+
+let config = defaultConfig;
+if (program.config) {
+    let path = program.config;
+    if (program.config.match(/^[^/]/)) {
+	path = process.cwd() + "/" + path;
+    }
+    config = {
+	extends: path
+    }
+}
+
+const cli = new eslint.CLIEngine({
+    baseConfig: config,
+    useEslintrc: true,
+    fix: !!program.fix,
+});
+
+const report = cli.executeOnFiles(paths);
+let exitcode = 0;
+let files_err = [];
+let files_warn = [];
+let files_ok = [];
+let fixes = 0;
+console.log('------------------------------------------------------------');
+report.results.forEach(function(result) {
+    let filename = result.filePath;
+    let msgs = result.messages;
+    let max_sev = 0;
+    if (!!program.fix && result.output) {
+	fixes++;
+    }
+    if (msgs.length > 0) {
+	console.error('[' + color.bold(filename) + ']:');
+	msgs.forEach(function(e) {
+	    let msg = 'at line ' + color.bold(e.line) + ' column ' +
+			  color.bold(e.column) + ': ' + e.ruleId;
+	    if (e.severity === 1) {
+		console.error(color.yellow("Warning " + msg));
+		if (max_sev < 1) {
+		    max_sev = 1;
+		}
+	    } else if (e.severity === 2) {
+		console.error(color.red("Error " + msg));
+		if (exitcode < 1) {
+		    exitcode = 1;
+		}
+		if (max_sev < 2) {
+		    max_sev = 2;
+		}
+	    } else {
+		console.error("Info " + msg);
+	    }
+	    if (e.message) {
+		console.error(e.message);
+	    }
+	    if (e.suggestion) {
+		console.error(e.suggestion);
+	    }
+	    if (!program.fix && e.fix) {
+		fixes++;
+		console.error("Could be auto-fixed");
+	    }
+	});
+
+	if (max_sev === 1) {
+	    files_warn.push(filename);
+	} else if (max_sev === 2) {
+	    files_err.push(filename);
+	}
+    } else {
+	files_ok.push(filename);
+	return;
+    }
+
+    console.log('------------------------------------------------------------');
+});
+
+if (report.results.length > 1) {
+    console.log((`${color.bold(files_ok.length + files_err.length)} files:`));
+    if (files_err.length > 0) {
+	console.log(color.red(`${color.bold(files_err.length)} files have Errors`));
+    }
+    if (files_warn.length > 0) {
+	console.log(color.yellow(`${color.bold(files_warn.length)} files have Warnings`));
+    }
+    if (files_ok.length > 0) {
+	console.log(color.green(`${color.bold(files_ok.length)} files are OK`));
+    }
+    console.log('------------------------------------------------------------');
+} else if (files_ok.length > 0) {
+    console.log(color.green(`${files_ok[0]} OK`));
+    console.log('------------------------------------------------------------');
+}
+
+if (program.fix) {
+    if (fixes > 0) {
+	console.log(`Writing ${color.bold(fixes)} fixed files...`);
+	eslint.CLIEngine.outputFixes(report);
+	console.log('Done');
+    } else {
+	console.log("No fixable Errors/Warnings found.");
+    }
+} else {
+	console.log(`${color.bold(fixes)} Errors/Warnings could be auto-fixed.`);
+}
+
+process.exit(exitcode);
+
+}());
diff --git a/src/eslint.js b/src/eslint.js
new file mode 100755
index 0000000..cb7b803
--- /dev/null
+++ b/src/eslint.js
@@ -0,0 +1,148541 @@
+var eslint =
+/******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(__webpack_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+__webpack_require__(1);
+__webpack_require__(375);
+__webpack_require__(376);
+module.exports = __webpack_require__(822);
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+__webpack_require__(2);
+
+__webpack_require__(362);
+
+var path = __webpack_require__(37);
+
+module.exports = path;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+__webpack_require__(3);
+
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+
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+
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+
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+
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+
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+
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+
+__webpack_require__(75);
+
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+
+__webpack_require__(77);
+
+__webpack_require__(78);
+
+__webpack_require__(80);
+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
+__webpack_require__(301);
+
+__webpack_require__(306);
+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
+__webpack_require__(340);
+
+__webpack_require__(341);
+
+__webpack_require__(342);
+
+__webpack_require__(343);
+
+__webpack_require__(344);
+
+__webpack_require__(345);
+
+__webpack_require__(346);
+
+__webpack_require__(347);
+
+__webpack_require__(348);
+
+__webpack_require__(349);
+
+__webpack_require__(350);
+
+__webpack_require__(351);
+
+__webpack_require__(352);
+
+__webpack_require__(353);
+
+__webpack_require__(354);
+
+__webpack_require__(355);
+
+__webpack_require__(356);
+
+__webpack_require__(357);
+
+__webpack_require__(358);
+
+__webpack_require__(359);
+
+__webpack_require__(360);
+
+__webpack_require__(361);
+
+var path = __webpack_require__(37);
+
+module.exports = path;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var getBuiltIn = __webpack_require__(36);
+
+var IS_PURE = __webpack_require__(31);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var NATIVE_SYMBOL = __webpack_require__(47);
+
+var USE_SYMBOL_AS_UID = __webpack_require__(48);
+
+var fails = __webpack_require__(8);
+
+var has = __webpack_require__(17);
+
+var isArray = __webpack_require__(49);
+
+var isObject = __webpack_require__(16);
+
+var anObject = __webpack_require__(22);
+
+var toObject = __webpack_require__(50);
+
+var toIndexedObject = __webpack_require__(11);
+
+var toPrimitive = __webpack_require__(15);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+var nativeObjectCreate = __webpack_require__(51);
+
+var objectKeys = __webpack_require__(53);
+
+var getOwnPropertyNamesModule = __webpack_require__(38);
+
+var getOwnPropertyNamesExternal = __webpack_require__(55);
+
+var getOwnPropertySymbolsModule = __webpack_require__(45);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var definePropertyModule = __webpack_require__(21);
+
+var propertyIsEnumerableModule = __webpack_require__(9);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var redefine = __webpack_require__(23);
+
+var shared = __webpack_require__(30);
+
+var sharedKey = __webpack_require__(29);
+
+var hiddenKeys = __webpack_require__(33);
+
+var uid = __webpack_require__(32);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var wrappedWellKnownSymbolModule = __webpack_require__(57);
+
+var defineWellKnownSymbol = __webpack_require__(58);
+
+var setToStringTag = __webpack_require__(59);
+
+var InternalStateModule = __webpack_require__(27);
+
+var $forEach = __webpack_require__(60).forEach;
+
+var HIDDEN = sharedKey('hidden');
+var SYMBOL = 'Symbol';
+var PROTOTYPE = 'prototype';
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(SYMBOL);
+var ObjectPrototype = Object[PROTOTYPE];
+var $Symbol = global.Symbol;
+var $stringify = getBuiltIn('JSON', 'stringify');
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;
+var nativePropertyIsEnumerable = propertyIsEnumerableModule.f;
+var AllSymbols = shared('symbols');
+var ObjectPrototypeSymbols = shared('op-symbols');
+var StringToSymbolRegistry = shared('string-to-symbol-registry');
+var SymbolToStringRegistry = shared('symbol-to-string-registry');
+var WellKnownSymbolsStore = shared('wks');
+var QObject = global.QObject; // Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
+
+var USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild; // fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
+
+var setSymbolDescriptor = DESCRIPTORS && fails(function () {
+  return nativeObjectCreate(nativeDefineProperty({}, 'a', {
+    get: function get() {
+      return nativeDefineProperty(this, 'a', {
+        value: 7
+      }).a;
+    }
+  })).a != 7;
+}) ? function (O, P, Attributes) {
+  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, P);
+  if (ObjectPrototypeDescriptor) delete ObjectPrototype[P];
+  nativeDefineProperty(O, P, Attributes);
+
+  if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
+    nativeDefineProperty(ObjectPrototype, P, ObjectPrototypeDescriptor);
+  }
+} : nativeDefineProperty;
+
+var wrap = function wrap(tag, description) {
+  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);
+  setInternalState(symbol, {
+    type: SYMBOL,
+    tag: tag,
+    description: description
+  });
+  if (!DESCRIPTORS) symbol.description = description;
+  return symbol;
+};
+
+var isSymbol = USE_SYMBOL_AS_UID ? function (it) {
+  return typeof it == 'symbol';
+} : function (it) {
+  return Object(it) instanceof $Symbol;
+};
+
+var $defineProperty = function defineProperty(O, P, Attributes) {
+  if (O === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
+  anObject(O);
+  var key = toPrimitive(P, true);
+  anObject(Attributes);
+
+  if (has(AllSymbols, key)) {
+    if (!Attributes.enumerable) {
+      if (!has(O, HIDDEN)) nativeDefineProperty(O, HIDDEN, createPropertyDescriptor(1, {}));
+      O[HIDDEN][key] = true;
+    } else {
+      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
+      Attributes = nativeObjectCreate(Attributes, {
+        enumerable: createPropertyDescriptor(0, false)
+      });
+    }
+
+    return setSymbolDescriptor(O, key, Attributes);
+  }
+
+  return nativeDefineProperty(O, key, Attributes);
+};
+
+var $defineProperties = function defineProperties(O, Properties) {
+  anObject(O);
+  var properties = toIndexedObject(Properties);
+  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
+  $forEach(keys, function (key) {
+    if (!DESCRIPTORS || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
+  });
+  return O;
+};
+
+var $create = function create(O, Properties) {
+  return Properties === undefined ? nativeObjectCreate(O) : $defineProperties(nativeObjectCreate(O), Properties);
+};
+
+var $propertyIsEnumerable = function propertyIsEnumerable(V) {
+  var P = toPrimitive(V, true);
+  var enumerable = nativePropertyIsEnumerable.call(this, P);
+  if (this === ObjectPrototype && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
+  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
+};
+
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
+  var it = toIndexedObject(O);
+  var key = toPrimitive(P, true);
+  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
+  var descriptor = nativeGetOwnPropertyDescriptor(it, key);
+
+  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
+    descriptor.enumerable = true;
+  }
+
+  return descriptor;
+};
+
+var $getOwnPropertyNames = function getOwnPropertyNames(O) {
+  var names = nativeGetOwnPropertyNames(toIndexedObject(O));
+  var result = [];
+  $forEach(names, function (key) {
+    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
+  });
+  return result;
+};
+
+var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
+  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype;
+  var names = nativeGetOwnPropertyNames(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
+  var result = [];
+  $forEach(names, function (key) {
+    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, key))) {
+      result.push(AllSymbols[key]);
+    }
+  });
+  return result;
+}; // `Symbol` constructor
+// https://tc39.github.io/ecma262/#sec-symbol-constructor
+
+
+if (!NATIVE_SYMBOL) {
+  $Symbol = function Symbol() {
+    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
+    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
+    var tag = uid(description);
+
+    var setter = function setter(value) {
+      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);
+      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
+      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
+    };
+
+    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, {
+      configurable: true,
+      set: setter
+    });
+    return wrap(tag, description);
+  };
+
+  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+    return getInternalState(this).tag;
+  });
+  redefine($Symbol, 'withoutSetter', function (description) {
+    return wrap(uid(description), description);
+  });
+  propertyIsEnumerableModule.f = $propertyIsEnumerable;
+  definePropertyModule.f = $defineProperty;
+  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;
+  getOwnPropertyNamesModule.f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;
+  getOwnPropertySymbolsModule.f = $getOwnPropertySymbols;
+
+  wrappedWellKnownSymbolModule.f = function (name) {
+    return wrap(wellKnownSymbol(name), name);
+  };
+
+  if (DESCRIPTORS) {
+    // https://github.com/tc39/proposal-Symbol-description
+    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {
+      configurable: true,
+      get: function description() {
+        return getInternalState(this).description;
+      }
+    });
+
+    if (!IS_PURE) {
+      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, {
+        unsafe: true
+      });
+    }
+  }
+}
+
+$({
+  global: true,
+  wrap: true,
+  forced: !NATIVE_SYMBOL,
+  sham: !NATIVE_SYMBOL
+}, {
+  Symbol: $Symbol
+});
+$forEach(objectKeys(WellKnownSymbolsStore), function (name) {
+  defineWellKnownSymbol(name);
+});
+$({
+  target: SYMBOL,
+  stat: true,
+  forced: !NATIVE_SYMBOL
+}, {
+  // `Symbol.for` method
+  // https://tc39.github.io/ecma262/#sec-symbol.for
+  'for': function _for(key) {
+    var string = String(key);
+    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
+    var symbol = $Symbol(string);
+    StringToSymbolRegistry[string] = symbol;
+    SymbolToStringRegistry[symbol] = string;
+    return symbol;
+  },
+  // `Symbol.keyFor` method
+  // https://tc39.github.io/ecma262/#sec-symbol.keyfor
+  keyFor: function keyFor(sym) {
+    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
+    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
+  },
+  useSetter: function useSetter() {
+    USE_SETTER = true;
+  },
+  useSimple: function useSimple() {
+    USE_SETTER = false;
+  }
+});
+$({
+  target: 'Object',
+  stat: true,
+  forced: !NATIVE_SYMBOL,
+  sham: !DESCRIPTORS
+}, {
+  // `Object.create` method
+  // https://tc39.github.io/ecma262/#sec-object.create
+  create: $create,
+  // `Object.defineProperty` method
+  // https://tc39.github.io/ecma262/#sec-object.defineproperty
+  defineProperty: $defineProperty,
+  // `Object.defineProperties` method
+  // https://tc39.github.io/ecma262/#sec-object.defineproperties
+  defineProperties: $defineProperties,
+  // `Object.getOwnPropertyDescriptor` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
+  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
+});
+$({
+  target: 'Object',
+  stat: true,
+  forced: !NATIVE_SYMBOL
+}, {
+  // `Object.getOwnPropertyNames` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames
+  getOwnPropertyNames: $getOwnPropertyNames,
+  // `Object.getOwnPropertySymbols` method
+  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols
+  getOwnPropertySymbols: $getOwnPropertySymbols
+}); // Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
+// https://bugs.chromium.org/p/v8/issues/detail?id=3443
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: fails(function () {
+    getOwnPropertySymbolsModule.f(1);
+  })
+}, {
+  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+    return getOwnPropertySymbolsModule.f(toObject(it));
+  }
+}); // `JSON.stringify` method behavior with symbols
+// https://tc39.github.io/ecma262/#sec-json.stringify
+
+if ($stringify) {
+  var FORCED_JSON_STRINGIFY = !NATIVE_SYMBOL || fails(function () {
+    var symbol = $Symbol(); // MS Edge converts symbol values to JSON as {}
+
+    return $stringify([symbol]) != '[null]' // WebKit converts symbol values to JSON as null
+    || $stringify({
+      a: symbol
+    }) != '{}' // V8 throws on boxed symbols
+    || $stringify(Object(symbol)) != '{}';
+  });
+  $({
+    target: 'JSON',
+    stat: true,
+    forced: FORCED_JSON_STRINGIFY
+  }, {
+    // eslint-disable-next-line no-unused-vars
+    stringify: function stringify(it, replacer, space) {
+      var args = [it];
+      var index = 1;
+      var $replacer;
+
+      while (arguments.length > index) args.push(arguments[index++]);
+
+      $replacer = replacer;
+      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
+
+      if (!isArray(replacer)) replacer = function replacer(key, value) {
+        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
+        if (!isSymbol(value)) return value;
+      };
+      args[1] = replacer;
+      return $stringify.apply(null, args);
+    }
+  });
+} // `Symbol.prototype[@@toPrimitive]` method
+// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive
+
+
+if (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) {
+  createNonEnumerableProperty($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+} // `Symbol.prototype[@@toStringTag]` property
+// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag
+
+
+setToStringTag($Symbol, SYMBOL);
+hiddenKeys[HIDDEN] = true;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var redefine = __webpack_require__(23);
+
+var setGlobal = __webpack_require__(24);
+
+var copyConstructorProperties = __webpack_require__(34);
+
+var isForced = __webpack_require__(46);
+/*
+  options.target      - name of the target object
+  options.global      - target is the global object
+  options.stat        - export as static methods of target
+  options.proto       - export as prototype methods of target
+  options.real        - real prototype method for the `pure` version
+  options.forced      - export even if the native feature is available
+  options.bind        - bind methods to the target, required for the `pure` version
+  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
+  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
+  options.sham        - add a flag to not completely full polyfills
+  options.enumerable  - export as enumerable property
+  options.noTargetGet - prevent calling a getter on target
+*/
+
+
+module.exports = function (options, source) {
+  var TARGET = options.target;
+  var GLOBAL = options.global;
+  var STATIC = options.stat;
+  var FORCED, target, key, targetProperty, sourceProperty, descriptor;
+
+  if (GLOBAL) {
+    target = global;
+  } else if (STATIC) {
+    target = global[TARGET] || setGlobal(TARGET, {});
+  } else {
+    target = (global[TARGET] || {}).prototype;
+  }
+
+  if (target) for (key in source) {
+    sourceProperty = source[key];
+
+    if (options.noTargetGet) {
+      descriptor = getOwnPropertyDescriptor(target, key);
+      targetProperty = descriptor && descriptor.value;
+    } else targetProperty = target[key];
+
+    FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced); // contained in target
+
+    if (!FORCED && targetProperty !== undefined) {
+      if (typeof sourceProperty === typeof targetProperty) continue;
+      copyConstructorProperties(sourceProperty, targetProperty);
+    } // add a flag to not completely full polyfills
+
+
+    if (options.sham || targetProperty && targetProperty.sham) {
+      createNonEnumerableProperty(sourceProperty, 'sham', true);
+    } // extend global
+
+
+    redefine(target, key, sourceProperty, options);
+  }
+};
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports) {
+
+var check = function check(it) {
+  return it && it.Math == Math && it;
+}; // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+
+
+module.exports = // eslint-disable-next-line no-undef
+check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || // eslint-disable-next-line no-new-func
+Function('return this')();
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var propertyIsEnumerableModule = __webpack_require__(9);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+var toIndexedObject = __webpack_require__(11);
+
+var toPrimitive = __webpack_require__(15);
+
+var has = __webpack_require__(17);
+
+var IE8_DOM_DEFINE = __webpack_require__(18);
+
+var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; // `Object.getOwnPropertyDescriptor` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
+
+exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
+  O = toIndexedObject(O);
+  P = toPrimitive(P, true);
+  if (IE8_DOM_DEFINE) try {
+    return nativeGetOwnPropertyDescriptor(O, P);
+  } catch (error) {
+    /* empty */
+  }
+  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
+};
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8); // Thank's IE8 for his funny defineProperty
+
+
+module.exports = !fails(function () {
+  return Object.defineProperty({}, 1, {
+    get: function get() {
+      return 7;
+    }
+  })[1] != 7;
+});
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+  try {
+    return !!exec();
+  } catch (error) {
+    return true;
+  }
+};
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
+var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; // Nashorn ~ JDK8 bug
+
+var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({
+  1: 2
+}, 1); // `Object.prototype.propertyIsEnumerable` method implementation
+// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable
+
+exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
+  var descriptor = getOwnPropertyDescriptor(this, V);
+  return !!descriptor && descriptor.enumerable;
+} : nativePropertyIsEnumerable;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports) {
+
+module.exports = function (bitmap, value) {
+  return {
+    enumerable: !(bitmap & 1),
+    configurable: !(bitmap & 2),
+    writable: !(bitmap & 4),
+    value: value
+  };
+};
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// toObject with fallback for non-array-like ES3 strings
+var IndexedObject = __webpack_require__(12);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+module.exports = function (it) {
+  return IndexedObject(requireObjectCoercible(it));
+};
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+var classof = __webpack_require__(13);
+
+var split = ''.split; // fallback for non-array-like ES3 and non-enumerable old V8 strings
+
+module.exports = fails(function () {
+  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
+  // eslint-disable-next-line no-prototype-builtins
+  return !Object('z').propertyIsEnumerable(0);
+}) ? function (it) {
+  return classof(it) == 'String' ? split.call(it, '') : Object(it);
+} : Object;
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports) {
+
+var toString = {}.toString;
+
+module.exports = function (it) {
+  return toString.call(it).slice(8, -1);
+};
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports) {
+
+// `RequireObjectCoercible` abstract operation
+// https://tc39.github.io/ecma262/#sec-requireobjectcoercible
+module.exports = function (it) {
+  if (it == undefined) throw TypeError("Can't call method on " + it);
+  return it;
+};
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16); // `ToPrimitive` abstract operation
+// https://tc39.github.io/ecma262/#sec-toprimitive
+// instead of the ES6 spec version, we didn't implement @@toPrimitive case
+// and the second argument - flag - preferred type is a string
+
+
+module.exports = function (input, PREFERRED_STRING) {
+  if (!isObject(input)) return input;
+  var fn, val;
+  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
+  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
+  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
+  throw TypeError("Can't convert object to primitive value");
+};
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+  return typeof it === 'object' ? it !== null : typeof it === 'function';
+};
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports) {
+
+var hasOwnProperty = {}.hasOwnProperty;
+
+module.exports = function (it, key) {
+  return hasOwnProperty.call(it, key);
+};
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var fails = __webpack_require__(8);
+
+var createElement = __webpack_require__(19); // Thank's IE8 for his funny defineProperty
+
+
+module.exports = !DESCRIPTORS && !fails(function () {
+  return Object.defineProperty(createElement('div'), 'a', {
+    get: function get() {
+      return 7;
+    }
+  }).a != 7;
+});
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var isObject = __webpack_require__(16);
+
+var document = global.document; // typeof document.createElement is 'object' in old IE
+
+var EXISTS = isObject(document) && isObject(document.createElement);
+
+module.exports = function (it) {
+  return EXISTS ? document.createElement(it) : {};
+};
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var definePropertyModule = __webpack_require__(21);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+module.exports = DESCRIPTORS ? function (object, key, value) {
+  return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
+} : function (object, key, value) {
+  object[key] = value;
+  return object;
+};
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var IE8_DOM_DEFINE = __webpack_require__(18);
+
+var anObject = __webpack_require__(22);
+
+var toPrimitive = __webpack_require__(15);
+
+var nativeDefineProperty = Object.defineProperty; // `Object.defineProperty` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperty
+
+exports.f = DESCRIPTORS ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
+  anObject(O);
+  P = toPrimitive(P, true);
+  anObject(Attributes);
+  if (IE8_DOM_DEFINE) try {
+    return nativeDefineProperty(O, P, Attributes);
+  } catch (error) {
+    /* empty */
+  }
+  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
+  if ('value' in Attributes) O[P] = Attributes.value;
+  return O;
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+module.exports = function (it) {
+  if (!isObject(it)) {
+    throw TypeError(String(it) + ' is not an object');
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var has = __webpack_require__(17);
+
+var setGlobal = __webpack_require__(24);
+
+var inspectSource = __webpack_require__(25);
+
+var InternalStateModule = __webpack_require__(27);
+
+var getInternalState = InternalStateModule.get;
+var enforceInternalState = InternalStateModule.enforce;
+var TEMPLATE = String(String).split('String');
+(module.exports = function (O, key, value, options) {
+  var unsafe = options ? !!options.unsafe : false;
+  var simple = options ? !!options.enumerable : false;
+  var noTargetGet = options ? !!options.noTargetGet : false;
+
+  if (typeof value == 'function') {
+    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);
+    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
+  }
+
+  if (O === global) {
+    if (simple) O[key] = value;else setGlobal(key, value);
+    return;
+  } else if (!unsafe) {
+    delete O[key];
+  } else if (!noTargetGet && O[key]) {
+    simple = true;
+  }
+
+  if (simple) O[key] = value;else createNonEnumerableProperty(O, key, value); // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
+})(Function.prototype, 'toString', function toString() {
+  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
+});
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+module.exports = function (key, value) {
+  try {
+    createNonEnumerableProperty(global, key, value);
+  } catch (error) {
+    global[key] = value;
+  }
+
+  return value;
+};
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var store = __webpack_require__(26);
+
+var functionToString = Function.toString; // this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper
+
+if (typeof store.inspectSource != 'function') {
+  store.inspectSource = function (it) {
+    return functionToString.call(it);
+  };
+}
+
+module.exports = store.inspectSource;
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var setGlobal = __webpack_require__(24);
+
+var SHARED = '__core-js_shared__';
+var store = global[SHARED] || setGlobal(SHARED, {});
+module.exports = store;
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var NATIVE_WEAK_MAP = __webpack_require__(28);
+
+var global = __webpack_require__(5);
+
+var isObject = __webpack_require__(16);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var objectHas = __webpack_require__(17);
+
+var sharedKey = __webpack_require__(29);
+
+var hiddenKeys = __webpack_require__(33);
+
+var WeakMap = global.WeakMap;
+var set, get, has;
+
+var enforce = function enforce(it) {
+  return has(it) ? get(it) : set(it, {});
+};
+
+var getterFor = function getterFor(TYPE) {
+  return function (it) {
+    var state;
+
+    if (!isObject(it) || (state = get(it)).type !== TYPE) {
+      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
+    }
+
+    return state;
+  };
+};
+
+if (NATIVE_WEAK_MAP) {
+  var store = new WeakMap();
+  var wmget = store.get;
+  var wmhas = store.has;
+  var wmset = store.set;
+
+  set = function set(it, metadata) {
+    wmset.call(store, it, metadata);
+    return metadata;
+  };
+
+  get = function get(it) {
+    return wmget.call(store, it) || {};
+  };
+
+  has = function has(it) {
+    return wmhas.call(store, it);
+  };
+} else {
+  var STATE = sharedKey('state');
+  hiddenKeys[STATE] = true;
+
+  set = function set(it, metadata) {
+    createNonEnumerableProperty(it, STATE, metadata);
+    return metadata;
+  };
+
+  get = function get(it) {
+    return objectHas(it, STATE) ? it[STATE] : {};
+  };
+
+  has = function has(it) {
+    return objectHas(it, STATE);
+  };
+}
+
+module.exports = {
+  set: set,
+  get: get,
+  has: has,
+  enforce: enforce,
+  getterFor: getterFor
+};
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var inspectSource = __webpack_require__(25);
+
+var WeakMap = global.WeakMap;
+module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var shared = __webpack_require__(30);
+
+var uid = __webpack_require__(32);
+
+var keys = shared('keys');
+
+module.exports = function (key) {
+  return keys[key] || (keys[key] = uid(key));
+};
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var IS_PURE = __webpack_require__(31);
+
+var store = __webpack_require__(26);
+
+(module.exports = function (key, value) {
+  return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+  version: '3.6.4',
+  mode: IS_PURE ? 'pure' : 'global',
+  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
+});
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports) {
+
+module.exports = false;
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports) {
+
+var id = 0;
+var postfix = Math.random();
+
+module.exports = function (key) {
+  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
+};
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var has = __webpack_require__(17);
+
+var ownKeys = __webpack_require__(35);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var definePropertyModule = __webpack_require__(21);
+
+module.exports = function (target, source) {
+  var keys = ownKeys(source);
+  var defineProperty = definePropertyModule.f;
+  var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
+  }
+};
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var getBuiltIn = __webpack_require__(36);
+
+var getOwnPropertyNamesModule = __webpack_require__(38);
+
+var getOwnPropertySymbolsModule = __webpack_require__(45);
+
+var anObject = __webpack_require__(22); // all object keys, includes non-enumerable and symbols
+
+
+module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
+  var keys = getOwnPropertyNamesModule.f(anObject(it));
+  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
+};
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var path = __webpack_require__(37);
+
+var global = __webpack_require__(5);
+
+var aFunction = function aFunction(variable) {
+  return typeof variable == 'function' ? variable : undefined;
+};
+
+module.exports = function (namespace, method) {
+  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace]) : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
+};
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+module.exports = global;
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var internalObjectKeys = __webpack_require__(39);
+
+var enumBugKeys = __webpack_require__(44);
+
+var hiddenKeys = enumBugKeys.concat('length', 'prototype'); // `Object.getOwnPropertyNames` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
+
+exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
+  return internalObjectKeys(O, hiddenKeys);
+};
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var has = __webpack_require__(17);
+
+var toIndexedObject = __webpack_require__(11);
+
+var indexOf = __webpack_require__(40).indexOf;
+
+var hiddenKeys = __webpack_require__(33);
+
+module.exports = function (object, names) {
+  var O = toIndexedObject(object);
+  var i = 0;
+  var result = [];
+  var key;
+
+  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key); // Don't enum bug & hidden keys
+
+
+  while (names.length > i) if (has(O, key = names[i++])) {
+    ~indexOf(result, key) || result.push(key);
+  }
+
+  return result;
+};
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toIndexedObject = __webpack_require__(11);
+
+var toLength = __webpack_require__(41);
+
+var toAbsoluteIndex = __webpack_require__(43); // `Array.prototype.{ indexOf, includes }` methods implementation
+
+
+var createMethod = function createMethod(IS_INCLUDES) {
+  return function ($this, el, fromIndex) {
+    var O = toIndexedObject($this);
+    var length = toLength(O.length);
+    var index = toAbsoluteIndex(fromIndex, length);
+    var value; // Array#includes uses SameValueZero equality algorithm
+    // eslint-disable-next-line no-self-compare
+
+    if (IS_INCLUDES && el != el) while (length > index) {
+      value = O[index++]; // eslint-disable-next-line no-self-compare
+
+      if (value != value) return true; // Array#indexOf ignores holes, Array#includes - not
+    } else for (; length > index; index++) {
+      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
+    }
+    return !IS_INCLUDES && -1;
+  };
+};
+
+module.exports = {
+  // `Array.prototype.includes` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.includes
+  includes: createMethod(true),
+  // `Array.prototype.indexOf` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
+  indexOf: createMethod(false)
+};
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toInteger = __webpack_require__(42);
+
+var min = Math.min; // `ToLength` abstract operation
+// https://tc39.github.io/ecma262/#sec-tolength
+
+module.exports = function (argument) {
+  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
+};
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports) {
+
+var ceil = Math.ceil;
+var floor = Math.floor; // `ToInteger` abstract operation
+// https://tc39.github.io/ecma262/#sec-tointeger
+
+module.exports = function (argument) {
+  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
+};
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toInteger = __webpack_require__(42);
+
+var max = Math.max;
+var min = Math.min; // Helper for a popular repeating case of the spec:
+// Let integer be ? ToInteger(index).
+// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).
+
+module.exports = function (index, length) {
+  var integer = toInteger(index);
+  return integer < 0 ? max(integer + length, 0) : min(integer, length);
+};
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports) {
+
+// IE8- don't enum bug keys
+module.exports = ['constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf'];
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports) {
+
+exports.f = Object.getOwnPropertySymbols;
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+var replacement = /#|\.prototype\./;
+
+var isForced = function isForced(feature, detection) {
+  var value = data[normalize(feature)];
+  return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
+};
+
+var normalize = isForced.normalize = function (string) {
+  return String(string).replace(replacement, '.').toLowerCase();
+};
+
+var data = isForced.data = {};
+var NATIVE = isForced.NATIVE = 'N';
+var POLYFILL = isForced.POLYFILL = 'P';
+module.exports = isForced;
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
+  // Chrome 38 Symbol has incorrect toString conversion
+  // eslint-disable-next-line no-undef
+  return !String(Symbol());
+});
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var NATIVE_SYMBOL = __webpack_require__(47);
+
+module.exports = NATIVE_SYMBOL // eslint-disable-next-line no-undef
+&& !Symbol.sham // eslint-disable-next-line no-undef
+&& typeof Symbol.iterator == 'symbol';
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var classof = __webpack_require__(13); // `IsArray` abstract operation
+// https://tc39.github.io/ecma262/#sec-isarray
+
+
+module.exports = Array.isArray || function isArray(arg) {
+  return classof(arg) == 'Array';
+};
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var requireObjectCoercible = __webpack_require__(14); // `ToObject` abstract operation
+// https://tc39.github.io/ecma262/#sec-toobject
+
+
+module.exports = function (argument) {
+  return Object(requireObjectCoercible(argument));
+};
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var defineProperties = __webpack_require__(52);
+
+var enumBugKeys = __webpack_require__(44);
+
+var hiddenKeys = __webpack_require__(33);
+
+var html = __webpack_require__(54);
+
+var documentCreateElement = __webpack_require__(19);
+
+var sharedKey = __webpack_require__(29);
+
+var GT = '>';
+var LT = '<';
+var PROTOTYPE = 'prototype';
+var SCRIPT = 'script';
+var IE_PROTO = sharedKey('IE_PROTO');
+
+var EmptyConstructor = function EmptyConstructor() {
+  /* empty */
+};
+
+var scriptTag = function scriptTag(content) {
+  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
+}; // Create object with fake `null` prototype: use ActiveX Object with cleared prototype
+
+
+var NullProtoObjectViaActiveX = function NullProtoObjectViaActiveX(activeXDocument) {
+  activeXDocument.write(scriptTag(''));
+  activeXDocument.close();
+  var temp = activeXDocument.parentWindow.Object;
+  activeXDocument = null; // avoid memory leak
+
+  return temp;
+}; // Create object with fake `null` prototype: use iframe Object with cleared prototype
+
+
+var NullProtoObjectViaIFrame = function NullProtoObjectViaIFrame() {
+  // Thrash, waste and sodomy: IE GC bug
+  var iframe = documentCreateElement('iframe');
+  var JS = 'java' + SCRIPT + ':';
+  var iframeDocument;
+  iframe.style.display = 'none';
+  html.appendChild(iframe); // https://github.com/zloirock/core-js/issues/475
+
+  iframe.src = String(JS);
+  iframeDocument = iframe.contentWindow.document;
+  iframeDocument.open();
+  iframeDocument.write(scriptTag('document.F=Object'));
+  iframeDocument.close();
+  return iframeDocument.F;
+}; // Check for document.domain and active x support
+// No need to use active x approach when document.domain is not set
+// see https://github.com/es-shims/es5-shim/issues/150
+// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
+// avoid IE GC bug
+
+
+var activeXDocument;
+
+var _NullProtoObject = function NullProtoObject() {
+  try {
+    /* global ActiveXObject */
+    activeXDocument = document.domain && new ActiveXObject('htmlfile');
+  } catch (error) {
+    /* ignore */
+  }
+
+  _NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
+  var length = enumBugKeys.length;
+
+  while (length--) delete _NullProtoObject[PROTOTYPE][enumBugKeys[length]];
+
+  return _NullProtoObject();
+};
+
+hiddenKeys[IE_PROTO] = true; // `Object.create` method
+// https://tc39.github.io/ecma262/#sec-object.create
+
+module.exports = Object.create || function create(O, Properties) {
+  var result;
+
+  if (O !== null) {
+    EmptyConstructor[PROTOTYPE] = anObject(O);
+    result = new EmptyConstructor();
+    EmptyConstructor[PROTOTYPE] = null; // add "__proto__" for Object.getPrototypeOf polyfill
+
+    result[IE_PROTO] = O;
+  } else result = _NullProtoObject();
+
+  return Properties === undefined ? result : defineProperties(result, Properties);
+};
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var definePropertyModule = __webpack_require__(21);
+
+var anObject = __webpack_require__(22);
+
+var objectKeys = __webpack_require__(53); // `Object.defineProperties` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperties
+
+
+module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
+  anObject(O);
+  var keys = objectKeys(Properties);
+  var length = keys.length;
+  var index = 0;
+  var key;
+
+  while (length > index) definePropertyModule.f(O, key = keys[index++], Properties[key]);
+
+  return O;
+};
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var internalObjectKeys = __webpack_require__(39);
+
+var enumBugKeys = __webpack_require__(44); // `Object.keys` method
+// https://tc39.github.io/ecma262/#sec-object.keys
+
+
+module.exports = Object.keys || function keys(O) {
+  return internalObjectKeys(O, enumBugKeys);
+};
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var getBuiltIn = __webpack_require__(36);
+
+module.exports = getBuiltIn('document', 'documentElement');
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toIndexedObject = __webpack_require__(11);
+
+var nativeGetOwnPropertyNames = __webpack_require__(38).f;
+
+var toString = {}.toString;
+var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
+
+var getWindowNames = function getWindowNames(it) {
+  try {
+    return nativeGetOwnPropertyNames(it);
+  } catch (error) {
+    return windowNames.slice();
+  }
+}; // fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
+
+
+module.exports.f = function getOwnPropertyNames(it) {
+  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : nativeGetOwnPropertyNames(toIndexedObject(it));
+};
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var shared = __webpack_require__(30);
+
+var has = __webpack_require__(17);
+
+var uid = __webpack_require__(32);
+
+var NATIVE_SYMBOL = __webpack_require__(47);
+
+var USE_SYMBOL_AS_UID = __webpack_require__(48);
+
+var WellKnownSymbolsStore = shared('wks');
+var Symbol = global.Symbol;
+var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
+
+module.exports = function (name) {
+  if (!has(WellKnownSymbolsStore, name)) {
+    if (NATIVE_SYMBOL && has(Symbol, name)) WellKnownSymbolsStore[name] = Symbol[name];else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
+  }
+
+  return WellKnownSymbolsStore[name];
+};
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+exports.f = wellKnownSymbol;
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var path = __webpack_require__(37);
+
+var has = __webpack_require__(17);
+
+var wrappedWellKnownSymbolModule = __webpack_require__(57);
+
+var defineProperty = __webpack_require__(21).f;
+
+module.exports = function (NAME) {
+  var Symbol = path.Symbol || (path.Symbol = {});
+  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {
+    value: wrappedWellKnownSymbolModule.f(NAME)
+  });
+};
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineProperty = __webpack_require__(21).f;
+
+var has = __webpack_require__(17);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+
+module.exports = function (it, TAG, STATIC) {
+  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
+    defineProperty(it, TO_STRING_TAG, {
+      configurable: true,
+      value: TAG
+    });
+  }
+};
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var bind = __webpack_require__(61);
+
+var IndexedObject = __webpack_require__(12);
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var arraySpeciesCreate = __webpack_require__(63);
+
+var push = [].push; // `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
+
+var createMethod = function createMethod(TYPE) {
+  var IS_MAP = TYPE == 1;
+  var IS_FILTER = TYPE == 2;
+  var IS_SOME = TYPE == 3;
+  var IS_EVERY = TYPE == 4;
+  var IS_FIND_INDEX = TYPE == 6;
+  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+  return function ($this, callbackfn, that, specificCreate) {
+    var O = toObject($this);
+    var self = IndexedObject(O);
+    var boundFunction = bind(callbackfn, that, 3);
+    var length = toLength(self.length);
+    var index = 0;
+    var create = specificCreate || arraySpeciesCreate;
+    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+    var value, result;
+
+    for (; length > index; index++) if (NO_HOLES || index in self) {
+      value = self[index];
+      result = boundFunction(value, index, O);
+
+      if (TYPE) {
+        if (IS_MAP) target[index] = result; // map
+        else if (result) switch (TYPE) {
+            case 3:
+              return true;
+            // some
+
+            case 5:
+              return value;
+            // find
+
+            case 6:
+              return index;
+            // findIndex
+
+            case 2:
+              push.call(target, value);
+            // filter
+          } else if (IS_EVERY) return false; // every
+      }
+    }
+
+    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
+  };
+};
+
+module.exports = {
+  // `Array.prototype.forEach` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
+  forEach: createMethod(0),
+  // `Array.prototype.map` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.map
+  map: createMethod(1),
+  // `Array.prototype.filter` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.filter
+  filter: createMethod(2),
+  // `Array.prototype.some` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.some
+  some: createMethod(3),
+  // `Array.prototype.every` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.every
+  every: createMethod(4),
+  // `Array.prototype.find` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.find
+  find: createMethod(5),
+  // `Array.prototype.findIndex` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
+  findIndex: createMethod(6)
+};
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var aFunction = __webpack_require__(62); // optional / simple context binding
+
+
+module.exports = function (fn, that, length) {
+  aFunction(fn);
+  if (that === undefined) return fn;
+
+  switch (length) {
+    case 0:
+      return function () {
+        return fn.call(that);
+      };
+
+    case 1:
+      return function (a) {
+        return fn.call(that, a);
+      };
+
+    case 2:
+      return function (a, b) {
+        return fn.call(that, a, b);
+      };
+
+    case 3:
+      return function (a, b, c) {
+        return fn.call(that, a, b, c);
+      };
+  }
+
+  return function ()
+  /* ...args */
+  {
+    return fn.apply(that, arguments);
+  };
+};
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports) {
+
+module.exports = function (it) {
+  if (typeof it != 'function') {
+    throw TypeError(String(it) + ' is not a function');
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+var isArray = __webpack_require__(49);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var SPECIES = wellKnownSymbol('species'); // `ArraySpeciesCreate` abstract operation
+// https://tc39.github.io/ecma262/#sec-arrayspeciescreate
+
+module.exports = function (originalArray, length) {
+  var C;
+
+  if (isArray(originalArray)) {
+    C = originalArray.constructor; // cross-realm fallback
+
+    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;else if (isObject(C)) {
+      C = C[SPECIES];
+      if (C === null) C = undefined;
+    }
+  }
+
+  return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
+};
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.asyncIterator` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.asynciterator
+
+
+defineWellKnownSymbol('asyncIterator');
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// `Symbol.prototype.description` getter
+// https://tc39.github.io/ecma262/#sec-symbol.prototype.description
+
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var global = __webpack_require__(5);
+
+var has = __webpack_require__(17);
+
+var isObject = __webpack_require__(16);
+
+var defineProperty = __webpack_require__(21).f;
+
+var copyConstructorProperties = __webpack_require__(34);
+
+var NativeSymbol = global.Symbol;
+
+if (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) || // Safari 12 bug
+NativeSymbol().description !== undefined)) {
+  var EmptyStringDescriptionStore = {}; // wrap Symbol constructor for correct work with undefined description
+
+  var SymbolWrapper = function Symbol() {
+    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
+    var result = this instanceof SymbolWrapper ? new NativeSymbol(description) // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'
+    : description === undefined ? NativeSymbol() : NativeSymbol(description);
+    if (description === '') EmptyStringDescriptionStore[result] = true;
+    return result;
+  };
+
+  copyConstructorProperties(SymbolWrapper, NativeSymbol);
+  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
+  symbolPrototype.constructor = SymbolWrapper;
+  var symbolToString = symbolPrototype.toString;
+  var native = String(NativeSymbol('test')) == 'Symbol(test)';
+  var regexp = /^Symbol\((.*)\)[^)]+$/;
+  defineProperty(symbolPrototype, 'description', {
+    configurable: true,
+    get: function description() {
+      var symbol = isObject(this) ? this.valueOf() : this;
+      var string = symbolToString.call(symbol);
+      if (has(EmptyStringDescriptionStore, symbol)) return '';
+      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
+      return desc === '' ? undefined : desc;
+    }
+  });
+  $({
+    global: true,
+    forced: true
+  }, {
+    Symbol: SymbolWrapper
+  });
+}
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.hasInstance` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.hasinstance
+
+
+defineWellKnownSymbol('hasInstance');
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.isConcatSpreadable` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.isconcatspreadable
+
+
+defineWellKnownSymbol('isConcatSpreadable');
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.iterator` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.iterator
+
+
+defineWellKnownSymbol('iterator');
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.match` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.match
+
+
+defineWellKnownSymbol('match');
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.matchAll` well-known symbol
+
+
+defineWellKnownSymbol('matchAll');
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.replace` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.replace
+
+
+defineWellKnownSymbol('replace');
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.search` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.search
+
+
+defineWellKnownSymbol('search');
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.species` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.species
+
+
+defineWellKnownSymbol('species');
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.split` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.split
+
+
+defineWellKnownSymbol('split');
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.toPrimitive` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.toprimitive
+
+
+defineWellKnownSymbol('toPrimitive');
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.toStringTag` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.tostringtag
+
+
+defineWellKnownSymbol('toStringTag');
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var defineWellKnownSymbol = __webpack_require__(58); // `Symbol.unscopables` well-known symbol
+// https://tc39.github.io/ecma262/#sec-symbol.unscopables
+
+
+defineWellKnownSymbol('unscopables');
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var assign = __webpack_require__(79); // `Object.assign` method
+// https://tc39.github.io/ecma262/#sec-object.assign
+
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: Object.assign !== assign
+}, {
+  assign: assign
+});
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var fails = __webpack_require__(8);
+
+var objectKeys = __webpack_require__(53);
+
+var getOwnPropertySymbolsModule = __webpack_require__(45);
+
+var propertyIsEnumerableModule = __webpack_require__(9);
+
+var toObject = __webpack_require__(50);
+
+var IndexedObject = __webpack_require__(12);
+
+var nativeAssign = Object.assign;
+var defineProperty = Object.defineProperty; // `Object.assign` method
+// https://tc39.github.io/ecma262/#sec-object.assign
+
+module.exports = !nativeAssign || fails(function () {
+  // should have correct order of operations (Edge bug)
+  if (DESCRIPTORS && nativeAssign({
+    b: 1
+  }, nativeAssign(defineProperty({}, 'a', {
+    enumerable: true,
+    get: function get() {
+      defineProperty(this, 'b', {
+        value: 3,
+        enumerable: false
+      });
+    }
+  }), {
+    b: 2
+  })).b !== 1) return true; // should work with symbols and should have deterministic property order (V8 bug)
+
+  var A = {};
+  var B = {}; // eslint-disable-next-line no-undef
+
+  var symbol = Symbol();
+  var alphabet = 'abcdefghijklmnopqrst';
+  A[symbol] = 7;
+  alphabet.split('').forEach(function (chr) {
+    B[chr] = chr;
+  });
+  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
+}) ? function assign(target, source) {
+  // eslint-disable-line no-unused-vars
+  var T = toObject(target);
+  var argumentsLength = arguments.length;
+  var index = 1;
+  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
+  var propertyIsEnumerable = propertyIsEnumerableModule.f;
+
+  while (argumentsLength > index) {
+    var S = IndexedObject(arguments[index++]);
+    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
+    var length = keys.length;
+    var j = 0;
+    var key;
+
+    while (length > j) {
+      key = keys[j++];
+      if (!DESCRIPTORS || propertyIsEnumerable.call(S, key)) T[key] = S[key];
+    }
+  }
+
+  return T;
+} : nativeAssign;
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var create = __webpack_require__(51); // `Object.create` method
+// https://tc39.github.io/ecma262/#sec-object.create
+
+
+$({
+  target: 'Object',
+  stat: true,
+  sham: !DESCRIPTORS
+}, {
+  create: create
+});
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var objectDefinePropertyModile = __webpack_require__(21); // `Object.defineProperty` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperty
+
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: !DESCRIPTORS,
+  sham: !DESCRIPTORS
+}, {
+  defineProperty: objectDefinePropertyModile.f
+});
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var defineProperties = __webpack_require__(52); // `Object.defineProperties` method
+// https://tc39.github.io/ecma262/#sec-object.defineproperties
+
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: !DESCRIPTORS,
+  sham: !DESCRIPTORS
+}, {
+  defineProperties: defineProperties
+});
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var $entries = __webpack_require__(84).entries; // `Object.entries` method
+// https://tc39.github.io/ecma262/#sec-object.entries
+
+
+$({
+  target: 'Object',
+  stat: true
+}, {
+  entries: function entries(O) {
+    return $entries(O);
+  }
+});
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var objectKeys = __webpack_require__(53);
+
+var toIndexedObject = __webpack_require__(11);
+
+var propertyIsEnumerable = __webpack_require__(9).f; // `Object.{ entries, values }` methods implementation
+
+
+var createMethod = function createMethod(TO_ENTRIES) {
+  return function (it) {
+    var O = toIndexedObject(it);
+    var keys = objectKeys(O);
+    var length = keys.length;
+    var i = 0;
+    var result = [];
+    var key;
+
+    while (length > i) {
+      key = keys[i++];
+
+      if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {
+        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);
+      }
+    }
+
+    return result;
+  };
+};
+
+module.exports = {
+  // `Object.entries` method
+  // https://tc39.github.io/ecma262/#sec-object.entries
+  entries: createMethod(true),
+  // `Object.values` method
+  // https://tc39.github.io/ecma262/#sec-object.values
+  values: createMethod(false)
+};
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var FREEZING = __webpack_require__(86);
+
+var fails = __webpack_require__(8);
+
+var isObject = __webpack_require__(16);
+
+var onFreeze = __webpack_require__(87).onFreeze;
+
+var nativeFreeze = Object.freeze;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeFreeze(1);
+}); // `Object.freeze` method
+// https://tc39.github.io/ecma262/#sec-object.freeze
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES,
+  sham: !FREEZING
+}, {
+  freeze: function freeze(it) {
+    return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;
+  }
+});
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+module.exports = !fails(function () {
+  return Object.isExtensible(Object.preventExtensions({}));
+});
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var hiddenKeys = __webpack_require__(33);
+
+var isObject = __webpack_require__(16);
+
+var has = __webpack_require__(17);
+
+var defineProperty = __webpack_require__(21).f;
+
+var uid = __webpack_require__(32);
+
+var FREEZING = __webpack_require__(86);
+
+var METADATA = uid('meta');
+var id = 0;
+
+var isExtensible = Object.isExtensible || function () {
+  return true;
+};
+
+var setMetadata = function setMetadata(it) {
+  defineProperty(it, METADATA, {
+    value: {
+      objectID: 'O' + ++id,
+      // object ID
+      weakData: {} // weak collections IDs
+
+    }
+  });
+};
+
+var fastKey = function fastKey(it, create) {
+  // return a primitive with prefix
+  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
+
+  if (!has(it, METADATA)) {
+    // can't set metadata to uncaught frozen object
+    if (!isExtensible(it)) return 'F'; // not necessary to add metadata
+
+    if (!create) return 'E'; // add missing metadata
+
+    setMetadata(it); // return object ID
+  }
+
+  return it[METADATA].objectID;
+};
+
+var getWeakData = function getWeakData(it, create) {
+  if (!has(it, METADATA)) {
+    // can't set metadata to uncaught frozen object
+    if (!isExtensible(it)) return true; // not necessary to add metadata
+
+    if (!create) return false; // add missing metadata
+
+    setMetadata(it); // return the store of weak collections IDs
+  }
+
+  return it[METADATA].weakData;
+}; // add metadata on freeze-family methods calling
+
+
+var onFreeze = function onFreeze(it) {
+  if (FREEZING && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);
+  return it;
+};
+
+var meta = module.exports = {
+  REQUIRED: false,
+  fastKey: fastKey,
+  getWeakData: getWeakData,
+  onFreeze: onFreeze
+};
+hiddenKeys[METADATA] = true;
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var iterate = __webpack_require__(89);
+
+var createProperty = __webpack_require__(96); // `Object.fromEntries` method
+// https://github.com/tc39/proposal-object-from-entries
+
+
+$({
+  target: 'Object',
+  stat: true
+}, {
+  fromEntries: function fromEntries(iterable) {
+    var obj = {};
+    iterate(iterable, function (k, v) {
+      createProperty(obj, k, v);
+    }, undefined, true);
+    return obj;
+  }
+});
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var isArrayIteratorMethod = __webpack_require__(90);
+
+var toLength = __webpack_require__(41);
+
+var bind = __webpack_require__(61);
+
+var getIteratorMethod = __webpack_require__(92);
+
+var callWithSafeIterationClosing = __webpack_require__(95);
+
+var Result = function Result(stopped, result) {
+  this.stopped = stopped;
+  this.result = result;
+};
+
+var iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
+  var boundFunction = bind(fn, that, AS_ENTRIES ? 2 : 1);
+  var iterator, iterFn, index, length, result, next, step;
+
+  if (IS_ITERATOR) {
+    iterator = iterable;
+  } else {
+    iterFn = getIteratorMethod(iterable);
+    if (typeof iterFn != 'function') throw TypeError('Target is not iterable'); // optimisation for array iterators
+
+    if (isArrayIteratorMethod(iterFn)) {
+      for (index = 0, length = toLength(iterable.length); length > index; index++) {
+        result = AS_ENTRIES ? boundFunction(anObject(step = iterable[index])[0], step[1]) : boundFunction(iterable[index]);
+        if (result && result instanceof Result) return result;
+      }
+
+      return new Result(false);
+    }
+
+    iterator = iterFn.call(iterable);
+  }
+
+  next = iterator.next;
+
+  while (!(step = next.call(iterator)).done) {
+    result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
+    if (typeof result == 'object' && result && result instanceof Result) return result;
+  }
+
+  return new Result(false);
+};
+
+iterate.stop = function (result) {
+  return new Result(true, result);
+};
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var Iterators = __webpack_require__(91);
+
+var ITERATOR = wellKnownSymbol('iterator');
+var ArrayPrototype = Array.prototype; // check on default Array iterator
+
+module.exports = function (it) {
+  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
+};
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports) {
+
+module.exports = {};
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var classof = __webpack_require__(93);
+
+var Iterators = __webpack_require__(91);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var ITERATOR = wellKnownSymbol('iterator');
+
+module.exports = function (it) {
+  if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
+};
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var TO_STRING_TAG_SUPPORT = __webpack_require__(94);
+
+var classofRaw = __webpack_require__(13);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var TO_STRING_TAG = wellKnownSymbol('toStringTag'); // ES3 wrong here
+
+var CORRECT_ARGUMENTS = classofRaw(function () {
+  return arguments;
+}()) == 'Arguments'; // fallback for IE11 Script Access Denied error
+
+var tryGet = function tryGet(it, key) {
+  try {
+    return it[key];
+  } catch (error) {
+    /* empty */
+  }
+}; // getting tag from ES6+ `Object.prototype.toString`
+
+
+module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
+  var O, tag, result;
+  return it === undefined ? 'Undefined' : it === null ? 'Null' // @@toStringTag case
+  : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag // builtinTag case
+  : CORRECT_ARGUMENTS ? classofRaw(O) // ES3 arguments fallback
+  : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
+};
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var test = {};
+test[TO_STRING_TAG] = 'z';
+module.exports = String(test) === '[object z]';
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22); // call something on iterator step with safe closing on error
+
+
+module.exports = function (iterator, fn, value, ENTRIES) {
+  try {
+    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value); // 7.4.6 IteratorClose(iterator, completion)
+  } catch (error) {
+    var returnMethod = iterator['return'];
+    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
+    throw error;
+  }
+};
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toPrimitive = __webpack_require__(15);
+
+var definePropertyModule = __webpack_require__(21);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+module.exports = function (object, key, value) {
+  var propertyKey = toPrimitive(key);
+  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));else object[propertyKey] = value;
+};
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var toIndexedObject = __webpack_require__(11);
+
+var nativeGetOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeGetOwnPropertyDescriptor(1);
+});
+var FORCED = !DESCRIPTORS || FAILS_ON_PRIMITIVES; // `Object.getOwnPropertyDescriptor` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FORCED,
+  sham: !DESCRIPTORS
+}, {
+  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
+    return nativeGetOwnPropertyDescriptor(toIndexedObject(it), key);
+  }
+});
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var ownKeys = __webpack_require__(35);
+
+var toIndexedObject = __webpack_require__(11);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var createProperty = __webpack_require__(96); // `Object.getOwnPropertyDescriptors` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
+
+
+$({
+  target: 'Object',
+  stat: true,
+  sham: !DESCRIPTORS
+}, {
+  getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
+    var O = toIndexedObject(object);
+    var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+    var keys = ownKeys(O);
+    var result = {};
+    var index = 0;
+    var key, descriptor;
+
+    while (keys.length > index) {
+      descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
+      if (descriptor !== undefined) createProperty(result, key, descriptor);
+    }
+
+    return result;
+  }
+});
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var nativeGetOwnPropertyNames = __webpack_require__(55).f;
+
+var FAILS_ON_PRIMITIVES = fails(function () {
+  return !Object.getOwnPropertyNames(1);
+}); // `Object.getOwnPropertyNames` method
+// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES
+}, {
+  getOwnPropertyNames: nativeGetOwnPropertyNames
+});
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var toObject = __webpack_require__(50);
+
+var nativeGetPrototypeOf = __webpack_require__(101);
+
+var CORRECT_PROTOTYPE_GETTER = __webpack_require__(102);
+
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeGetPrototypeOf(1);
+}); // `Object.getPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.getprototypeof
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES,
+  sham: !CORRECT_PROTOTYPE_GETTER
+}, {
+  getPrototypeOf: function getPrototypeOf(it) {
+    return nativeGetPrototypeOf(toObject(it));
+  }
+});
+
+/***/ }),
+/* 101 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var has = __webpack_require__(17);
+
+var toObject = __webpack_require__(50);
+
+var sharedKey = __webpack_require__(29);
+
+var CORRECT_PROTOTYPE_GETTER = __webpack_require__(102);
+
+var IE_PROTO = sharedKey('IE_PROTO');
+var ObjectPrototype = Object.prototype; // `Object.getPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.getprototypeof
+
+module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
+  O = toObject(O);
+  if (has(O, IE_PROTO)) return O[IE_PROTO];
+
+  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
+    return O.constructor.prototype;
+  }
+
+  return O instanceof Object ? ObjectPrototype : null;
+};
+
+/***/ }),
+/* 102 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+module.exports = !fails(function () {
+  function F() {
+    /* empty */
+  }
+
+  F.prototype.constructor = null;
+  return Object.getPrototypeOf(new F()) !== F.prototype;
+});
+
+/***/ }),
+/* 103 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var is = __webpack_require__(104); // `Object.is` method
+// https://tc39.github.io/ecma262/#sec-object.is
+
+
+$({
+  target: 'Object',
+  stat: true
+}, {
+  is: is
+});
+
+/***/ }),
+/* 104 */
+/***/ (function(module, exports) {
+
+// `SameValue` abstract operation
+// https://tc39.github.io/ecma262/#sec-samevalue
+module.exports = Object.is || function is(x, y) {
+  // eslint-disable-next-line no-self-compare
+  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
+};
+
+/***/ }),
+/* 105 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var isObject = __webpack_require__(16);
+
+var nativeIsExtensible = Object.isExtensible;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeIsExtensible(1);
+}); // `Object.isExtensible` method
+// https://tc39.github.io/ecma262/#sec-object.isextensible
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES
+}, {
+  isExtensible: function isExtensible(it) {
+    return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false;
+  }
+});
+
+/***/ }),
+/* 106 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var isObject = __webpack_require__(16);
+
+var nativeIsFrozen = Object.isFrozen;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeIsFrozen(1);
+}); // `Object.isFrozen` method
+// https://tc39.github.io/ecma262/#sec-object.isfrozen
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES
+}, {
+  isFrozen: function isFrozen(it) {
+    return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
+  }
+});
+
+/***/ }),
+/* 107 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var isObject = __webpack_require__(16);
+
+var nativeIsSealed = Object.isSealed;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeIsSealed(1);
+}); // `Object.isSealed` method
+// https://tc39.github.io/ecma262/#sec-object.issealed
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES
+}, {
+  isSealed: function isSealed(it) {
+    return isObject(it) ? nativeIsSealed ? nativeIsSealed(it) : false : true;
+  }
+});
+
+/***/ }),
+/* 108 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var toObject = __webpack_require__(50);
+
+var nativeKeys = __webpack_require__(53);
+
+var fails = __webpack_require__(8);
+
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeKeys(1);
+}); // `Object.keys` method
+// https://tc39.github.io/ecma262/#sec-object.keys
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES
+}, {
+  keys: function keys(it) {
+    return nativeKeys(toObject(it));
+  }
+});
+
+/***/ }),
+/* 109 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isObject = __webpack_require__(16);
+
+var onFreeze = __webpack_require__(87).onFreeze;
+
+var FREEZING = __webpack_require__(86);
+
+var fails = __webpack_require__(8);
+
+var nativePreventExtensions = Object.preventExtensions;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativePreventExtensions(1);
+}); // `Object.preventExtensions` method
+// https://tc39.github.io/ecma262/#sec-object.preventextensions
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES,
+  sham: !FREEZING
+}, {
+  preventExtensions: function preventExtensions(it) {
+    return nativePreventExtensions && isObject(it) ? nativePreventExtensions(onFreeze(it)) : it;
+  }
+});
+
+/***/ }),
+/* 110 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isObject = __webpack_require__(16);
+
+var onFreeze = __webpack_require__(87).onFreeze;
+
+var FREEZING = __webpack_require__(86);
+
+var fails = __webpack_require__(8);
+
+var nativeSeal = Object.seal;
+var FAILS_ON_PRIMITIVES = fails(function () {
+  nativeSeal(1);
+}); // `Object.seal` method
+// https://tc39.github.io/ecma262/#sec-object.seal
+
+$({
+  target: 'Object',
+  stat: true,
+  forced: FAILS_ON_PRIMITIVES,
+  sham: !FREEZING
+}, {
+  seal: function seal(it) {
+    return nativeSeal && isObject(it) ? nativeSeal(onFreeze(it)) : it;
+  }
+});
+
+/***/ }),
+/* 111 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var setPrototypeOf = __webpack_require__(112); // `Object.setPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.setprototypeof
+
+
+$({
+  target: 'Object',
+  stat: true
+}, {
+  setPrototypeOf: setPrototypeOf
+});
+
+/***/ }),
+/* 112 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var aPossiblePrototype = __webpack_require__(113); // `Object.setPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-object.setprototypeof
+// Works with __proto__ only. Old v8 can't work with null proto objects.
+
+/* eslint-disable no-proto */
+
+
+module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
+  var CORRECT_SETTER = false;
+  var test = {};
+  var setter;
+
+  try {
+    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
+    setter.call(test, []);
+    CORRECT_SETTER = test instanceof Array;
+  } catch (error) {
+    /* empty */
+  }
+
+  return function setPrototypeOf(O, proto) {
+    anObject(O);
+    aPossiblePrototype(proto);
+    if (CORRECT_SETTER) setter.call(O, proto);else O.__proto__ = proto;
+    return O;
+  };
+}() : undefined);
+
+/***/ }),
+/* 113 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+module.exports = function (it) {
+  if (!isObject(it) && it !== null) {
+    throw TypeError("Can't set " + String(it) + ' as a prototype');
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 114 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var $values = __webpack_require__(84).values; // `Object.values` method
+// https://tc39.github.io/ecma262/#sec-object.values
+
+
+$({
+  target: 'Object',
+  stat: true
+}, {
+  values: function values(O) {
+    return $values(O);
+  }
+});
+
+/***/ }),
+/* 115 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var TO_STRING_TAG_SUPPORT = __webpack_require__(94);
+
+var redefine = __webpack_require__(23);
+
+var toString = __webpack_require__(116); // `Object.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
+
+
+if (!TO_STRING_TAG_SUPPORT) {
+  redefine(Object.prototype, 'toString', toString, {
+    unsafe: true
+  });
+}
+
+/***/ }),
+/* 116 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var TO_STRING_TAG_SUPPORT = __webpack_require__(94);
+
+var classof = __webpack_require__(93); // `Object.prototype.toString` method implementation
+// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
+
+
+module.exports = TO_STRING_TAG_SUPPORT ? {}.toString : function toString() {
+  return '[object ' + classof(this) + ']';
+};
+
+/***/ }),
+/* 117 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var FORCED = __webpack_require__(118);
+
+var toObject = __webpack_require__(50);
+
+var aFunction = __webpack_require__(62);
+
+var definePropertyModule = __webpack_require__(21); // `Object.prototype.__defineGetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__defineGetter__
+
+
+if (DESCRIPTORS) {
+  $({
+    target: 'Object',
+    proto: true,
+    forced: FORCED
+  }, {
+    __defineGetter__: function __defineGetter__(P, getter) {
+      definePropertyModule.f(toObject(this), P, {
+        get: aFunction(getter),
+        enumerable: true,
+        configurable: true
+      });
+    }
+  });
+}
+
+/***/ }),
+/* 118 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var IS_PURE = __webpack_require__(31);
+
+var global = __webpack_require__(5);
+
+var fails = __webpack_require__(8); // Forced replacement object prototype accessors methods
+
+
+module.exports = IS_PURE || !fails(function () {
+  var key = Math.random(); // In FF throws only define methods
+  // eslint-disable-next-line no-undef, no-useless-call
+
+  __defineSetter__.call(null, key, function () {
+    /* empty */
+  });
+
+  delete global[key];
+});
+
+/***/ }),
+/* 119 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var FORCED = __webpack_require__(118);
+
+var toObject = __webpack_require__(50);
+
+var aFunction = __webpack_require__(62);
+
+var definePropertyModule = __webpack_require__(21); // `Object.prototype.__defineSetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__defineSetter__
+
+
+if (DESCRIPTORS) {
+  $({
+    target: 'Object',
+    proto: true,
+    forced: FORCED
+  }, {
+    __defineSetter__: function __defineSetter__(P, setter) {
+      definePropertyModule.f(toObject(this), P, {
+        set: aFunction(setter),
+        enumerable: true,
+        configurable: true
+      });
+    }
+  });
+}
+
+/***/ }),
+/* 120 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var FORCED = __webpack_require__(118);
+
+var toObject = __webpack_require__(50);
+
+var toPrimitive = __webpack_require__(15);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f; // `Object.prototype.__lookupGetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__lookupGetter__
+
+
+if (DESCRIPTORS) {
+  $({
+    target: 'Object',
+    proto: true,
+    forced: FORCED
+  }, {
+    __lookupGetter__: function __lookupGetter__(P) {
+      var O = toObject(this);
+      var key = toPrimitive(P, true);
+      var desc;
+
+      do {
+        if (desc = getOwnPropertyDescriptor(O, key)) return desc.get;
+      } while (O = getPrototypeOf(O));
+    }
+  });
+}
+
+/***/ }),
+/* 121 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var FORCED = __webpack_require__(118);
+
+var toObject = __webpack_require__(50);
+
+var toPrimitive = __webpack_require__(15);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f; // `Object.prototype.__lookupSetter__` method
+// https://tc39.github.io/ecma262/#sec-object.prototype.__lookupSetter__
+
+
+if (DESCRIPTORS) {
+  $({
+    target: 'Object',
+    proto: true,
+    forced: FORCED
+  }, {
+    __lookupSetter__: function __lookupSetter__(P) {
+      var O = toObject(this);
+      var key = toPrimitive(P, true);
+      var desc;
+
+      do {
+        if (desc = getOwnPropertyDescriptor(O, key)) return desc.set;
+      } while (O = getPrototypeOf(O));
+    }
+  });
+}
+
+/***/ }),
+/* 122 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var bind = __webpack_require__(123); // `Function.prototype.bind` method
+// https://tc39.github.io/ecma262/#sec-function.prototype.bind
+
+
+$({
+  target: 'Function',
+  proto: true
+}, {
+  bind: bind
+});
+
+/***/ }),
+/* 123 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var aFunction = __webpack_require__(62);
+
+var isObject = __webpack_require__(16);
+
+var slice = [].slice;
+var factories = {};
+
+var construct = function construct(C, argsLength, args) {
+  if (!(argsLength in factories)) {
+    for (var list = [], i = 0; i < argsLength; i++) list[i] = 'a[' + i + ']'; // eslint-disable-next-line no-new-func
+
+
+    factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
+  }
+
+  return factories[argsLength](C, args);
+}; // `Function.prototype.bind` method implementation
+// https://tc39.github.io/ecma262/#sec-function.prototype.bind
+
+
+module.exports = Function.bind || function bind(that
+/* , ...args */
+) {
+  var fn = aFunction(this);
+  var partArgs = slice.call(arguments, 1);
+
+  var boundFunction = function bound()
+  /* args... */
+  {
+    var args = partArgs.concat(slice.call(arguments));
+    return this instanceof boundFunction ? construct(fn, args.length, args) : fn.apply(that, args);
+  };
+
+  if (isObject(fn.prototype)) boundFunction.prototype = fn.prototype;
+  return boundFunction;
+};
+
+/***/ }),
+/* 124 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var defineProperty = __webpack_require__(21).f;
+
+var FunctionPrototype = Function.prototype;
+var FunctionPrototypeToString = FunctionPrototype.toString;
+var nameRE = /^\s*function ([^ (]*)/;
+var NAME = 'name'; // Function instances `.name` property
+// https://tc39.github.io/ecma262/#sec-function-instances-name
+
+if (DESCRIPTORS && !(NAME in FunctionPrototype)) {
+  defineProperty(FunctionPrototype, NAME, {
+    configurable: true,
+    get: function get() {
+      try {
+        return FunctionPrototypeToString.call(this).match(nameRE)[1];
+      } catch (error) {
+        return '';
+      }
+    }
+  });
+}
+
+/***/ }),
+/* 125 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var isObject = __webpack_require__(16);
+
+var definePropertyModule = __webpack_require__(21);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var HAS_INSTANCE = wellKnownSymbol('hasInstance');
+var FunctionPrototype = Function.prototype; // `Function.prototype[@@hasInstance]` method
+// https://tc39.github.io/ecma262/#sec-function.prototype-@@hasinstance
+
+if (!(HAS_INSTANCE in FunctionPrototype)) {
+  definePropertyModule.f(FunctionPrototype, HAS_INSTANCE, {
+    value: function value(O) {
+      if (typeof this != 'function' || !isObject(O)) return false;
+      if (!isObject(this.prototype)) return O instanceof this; // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
+
+      while (O = getPrototypeOf(O)) if (this.prototype === O) return true;
+
+      return false;
+    }
+  });
+}
+
+/***/ }),
+/* 126 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5); // `globalThis` object
+// https://github.com/tc39/proposal-global
+
+
+$({
+  global: true
+}, {
+  globalThis: global
+});
+
+/***/ }),
+/* 127 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var from = __webpack_require__(128);
+
+var checkCorrectnessOfIteration = __webpack_require__(129);
+
+var INCORRECT_ITERATION = !checkCorrectnessOfIteration(function (iterable) {
+  Array.from(iterable);
+}); // `Array.from` method
+// https://tc39.github.io/ecma262/#sec-array.from
+
+$({
+  target: 'Array',
+  stat: true,
+  forced: INCORRECT_ITERATION
+}, {
+  from: from
+});
+
+/***/ }),
+/* 128 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var bind = __webpack_require__(61);
+
+var toObject = __webpack_require__(50);
+
+var callWithSafeIterationClosing = __webpack_require__(95);
+
+var isArrayIteratorMethod = __webpack_require__(90);
+
+var toLength = __webpack_require__(41);
+
+var createProperty = __webpack_require__(96);
+
+var getIteratorMethod = __webpack_require__(92); // `Array.from` method implementation
+// https://tc39.github.io/ecma262/#sec-array.from
+
+
+module.exports = function from(arrayLike
+/* , mapfn = undefined, thisArg = undefined */
+) {
+  var O = toObject(arrayLike);
+  var C = typeof this == 'function' ? this : Array;
+  var argumentsLength = arguments.length;
+  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+  var mapping = mapfn !== undefined;
+  var iteratorMethod = getIteratorMethod(O);
+  var index = 0;
+  var length, result, step, iterator, next, value;
+  if (mapping) mapfn = bind(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2); // if the target is not iterable or it's an array with the default iterator - use a simple case
+
+  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
+    iterator = iteratorMethod.call(O);
+    next = iterator.next;
+    result = new C();
+
+    for (; !(step = next.call(iterator)).done; index++) {
+      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;
+      createProperty(result, index, value);
+    }
+  } else {
+    length = toLength(O.length);
+    result = new C(length);
+
+    for (; length > index; index++) {
+      value = mapping ? mapfn(O[index], index) : O[index];
+      createProperty(result, index, value);
+    }
+  }
+
+  result.length = index;
+  return result;
+};
+
+/***/ }),
+/* 129 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var ITERATOR = wellKnownSymbol('iterator');
+var SAFE_CLOSING = false;
+
+try {
+  var called = 0;
+  var iteratorWithReturn = {
+    next: function next() {
+      return {
+        done: !!called++
+      };
+    },
+    'return': function _return() {
+      SAFE_CLOSING = true;
+    }
+  };
+
+  iteratorWithReturn[ITERATOR] = function () {
+    return this;
+  }; // eslint-disable-next-line no-throw-literal
+
+
+  Array.from(iteratorWithReturn, function () {
+    throw 2;
+  });
+} catch (error) {
+  /* empty */
+}
+
+module.exports = function (exec, SKIP_CLOSING) {
+  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
+  var ITERATION_SUPPORT = false;
+
+  try {
+    var object = {};
+
+    object[ITERATOR] = function () {
+      return {
+        next: function next() {
+          return {
+            done: ITERATION_SUPPORT = true
+          };
+        }
+      };
+    };
+
+    exec(object);
+  } catch (error) {
+    /* empty */
+  }
+
+  return ITERATION_SUPPORT;
+};
+
+/***/ }),
+/* 130 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isArray = __webpack_require__(49); // `Array.isArray` method
+// https://tc39.github.io/ecma262/#sec-array.isarray
+
+
+$({
+  target: 'Array',
+  stat: true
+}, {
+  isArray: isArray
+});
+
+/***/ }),
+/* 131 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var createProperty = __webpack_require__(96);
+
+var ISNT_GENERIC = fails(function () {
+  function F() {
+    /* empty */
+  }
+
+  return !(Array.of.call(F) instanceof F);
+}); // `Array.of` method
+// https://tc39.github.io/ecma262/#sec-array.of
+// WebKit Array.of isn't generic
+
+$({
+  target: 'Array',
+  stat: true,
+  forced: ISNT_GENERIC
+}, {
+  of: function of()
+  /* ...args */
+  {
+    var index = 0;
+    var argumentsLength = arguments.length;
+    var result = new (typeof this == 'function' ? this : Array)(argumentsLength);
+
+    while (argumentsLength > index) createProperty(result, index, arguments[index++]);
+
+    result.length = argumentsLength;
+    return result;
+  }
+});
+
+/***/ }),
+/* 132 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var isArray = __webpack_require__(49);
+
+var isObject = __webpack_require__(16);
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var createProperty = __webpack_require__(96);
+
+var arraySpeciesCreate = __webpack_require__(63);
+
+var arrayMethodHasSpeciesSupport = __webpack_require__(133);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var V8_VERSION = __webpack_require__(134);
+
+var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded'; // We can't use this feature detection in V8 since it causes
+// deoptimization and serious performance degradation
+// https://github.com/zloirock/core-js/issues/679
+
+var IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {
+  var array = [];
+  array[IS_CONCAT_SPREADABLE] = false;
+  return array.concat()[0] !== array;
+});
+var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');
+
+var isConcatSpreadable = function isConcatSpreadable(O) {
+  if (!isObject(O)) return false;
+  var spreadable = O[IS_CONCAT_SPREADABLE];
+  return spreadable !== undefined ? !!spreadable : isArray(O);
+};
+
+var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT; // `Array.prototype.concat` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.concat
+// with adding support of @@isConcatSpreadable and @@species
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: FORCED
+}, {
+  concat: function concat(arg) {
+    // eslint-disable-line no-unused-vars
+    var O = toObject(this);
+    var A = arraySpeciesCreate(O, 0);
+    var n = 0;
+    var i, k, length, len, E;
+
+    for (i = -1, length = arguments.length; i < length; i++) {
+      E = i === -1 ? O : arguments[i];
+
+      if (isConcatSpreadable(E)) {
+        len = toLength(E.length);
+        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+
+        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
+      } else {
+        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
+        createProperty(A, n++, E);
+      }
+    }
+
+    A.length = n;
+    return A;
+  }
+});
+
+/***/ }),
+/* 133 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var V8_VERSION = __webpack_require__(134);
+
+var SPECIES = wellKnownSymbol('species');
+
+module.exports = function (METHOD_NAME) {
+  // We can't use this feature detection in V8 since it causes
+  // deoptimization and serious performance degradation
+  // https://github.com/zloirock/core-js/issues/677
+  return V8_VERSION >= 51 || !fails(function () {
+    var array = [];
+    var constructor = array.constructor = {};
+
+    constructor[SPECIES] = function () {
+      return {
+        foo: 1
+      };
+    };
+
+    return array[METHOD_NAME](Boolean).foo !== 1;
+  });
+};
+
+/***/ }),
+/* 134 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var userAgent = __webpack_require__(135);
+
+var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8;
+var match, version;
+
+if (v8) {
+  match = v8.split('.');
+  version = match[0] + match[1];
+} else if (userAgent) {
+  match = userAgent.match(/Edge\/(\d+)/);
+
+  if (!match || match[1] >= 74) {
+    match = userAgent.match(/Chrome\/(\d+)/);
+    if (match) version = match[1];
+  }
+}
+
+module.exports = version && +version;
+
+/***/ }),
+/* 135 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var getBuiltIn = __webpack_require__(36);
+
+module.exports = getBuiltIn('navigator', 'userAgent') || '';
+
+/***/ }),
+/* 136 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var copyWithin = __webpack_require__(137);
+
+var addToUnscopables = __webpack_require__(138); // `Array.prototype.copyWithin` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin
+
+
+$({
+  target: 'Array',
+  proto: true
+}, {
+  copyWithin: copyWithin
+}); // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables('copyWithin');
+
+/***/ }),
+/* 137 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toObject = __webpack_require__(50);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var toLength = __webpack_require__(41);
+
+var min = Math.min; // `Array.prototype.copyWithin` method implementation
+// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin
+
+module.exports = [].copyWithin || function copyWithin(target
+/* = 0 */
+, start
+/* = 0, end = @length */
+) {
+  var O = toObject(this);
+  var len = toLength(O.length);
+  var to = toAbsoluteIndex(target, len);
+  var from = toAbsoluteIndex(start, len);
+  var end = arguments.length > 2 ? arguments[2] : undefined;
+  var count = min((end === undefined ? len : toAbsoluteIndex(end, len)) - from, len - to);
+  var inc = 1;
+
+  if (from < to && to < from + count) {
+    inc = -1;
+    from += count - 1;
+    to += count - 1;
+  }
+
+  while (count-- > 0) {
+    if (from in O) O[to] = O[from];else delete O[to];
+    to += inc;
+    from += inc;
+  }
+
+  return O;
+};
+
+/***/ }),
+/* 138 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var create = __webpack_require__(51);
+
+var definePropertyModule = __webpack_require__(21);
+
+var UNSCOPABLES = wellKnownSymbol('unscopables');
+var ArrayPrototype = Array.prototype; // Array.prototype[@@unscopables]
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+if (ArrayPrototype[UNSCOPABLES] == undefined) {
+  definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
+    configurable: true,
+    value: create(null)
+  });
+} // add a key to Array.prototype[@@unscopables]
+
+
+module.exports = function (key) {
+  ArrayPrototype[UNSCOPABLES][key] = true;
+};
+
+/***/ }),
+/* 139 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $every = __webpack_require__(60).every;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var STRICT_METHOD = arrayMethodIsStrict('every');
+var USES_TO_LENGTH = arrayMethodUsesToLength('every'); // `Array.prototype.every` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.every
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !STRICT_METHOD || !USES_TO_LENGTH
+}, {
+  every: function every(callbackfn
+  /* , thisArg */
+  ) {
+    return $every(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 140 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fails = __webpack_require__(8);
+
+module.exports = function (METHOD_NAME, argument) {
+  var method = [][METHOD_NAME];
+  return !!method && fails(function () {
+    // eslint-disable-next-line no-useless-call,no-throw-literal
+    method.call(null, argument || function () {
+      throw 1;
+    }, 1);
+  });
+};
+
+/***/ }),
+/* 141 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var fails = __webpack_require__(8);
+
+var has = __webpack_require__(17);
+
+var defineProperty = Object.defineProperty;
+var cache = {};
+
+var thrower = function thrower(it) {
+  throw it;
+};
+
+module.exports = function (METHOD_NAME, options) {
+  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];
+  if (!options) options = {};
+  var method = [][METHOD_NAME];
+  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
+  var argument0 = has(options, 0) ? options[0] : thrower;
+  var argument1 = has(options, 1) ? options[1] : undefined;
+  return cache[METHOD_NAME] = !!method && !fails(function () {
+    if (ACCESSORS && !DESCRIPTORS) return true;
+    var O = {
+      length: -1
+    };
+    if (ACCESSORS) defineProperty(O, 1, {
+      enumerable: true,
+      get: thrower
+    });else O[1] = 1;
+    method.call(O, argument0, argument1);
+  });
+};
+
+/***/ }),
+/* 142 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fill = __webpack_require__(143);
+
+var addToUnscopables = __webpack_require__(138); // `Array.prototype.fill` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.fill
+
+
+$({
+  target: 'Array',
+  proto: true
+}, {
+  fill: fill
+}); // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables('fill');
+
+/***/ }),
+/* 143 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toObject = __webpack_require__(50);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var toLength = __webpack_require__(41); // `Array.prototype.fill` method implementation
+// https://tc39.github.io/ecma262/#sec-array.prototype.fill
+
+
+module.exports = function fill(value
+/* , start = 0, end = @length */
+) {
+  var O = toObject(this);
+  var length = toLength(O.length);
+  var argumentsLength = arguments.length;
+  var index = toAbsoluteIndex(argumentsLength > 1 ? arguments[1] : undefined, length);
+  var end = argumentsLength > 2 ? arguments[2] : undefined;
+  var endPos = end === undefined ? length : toAbsoluteIndex(end, length);
+
+  while (endPos > index) O[index++] = value;
+
+  return O;
+};
+
+/***/ }),
+/* 144 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $filter = __webpack_require__(60).filter;
+
+var arrayMethodHasSpeciesSupport = __webpack_require__(133);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter'); // Edge 14- issue
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('filter'); // `Array.prototype.filter` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.filter
+// with adding support of @@species
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH
+}, {
+  filter: function filter(callbackfn
+  /* , thisArg */
+  ) {
+    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 145 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $find = __webpack_require__(60).find;
+
+var addToUnscopables = __webpack_require__(138);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var FIND = 'find';
+var SKIPS_HOLES = true;
+var USES_TO_LENGTH = arrayMethodUsesToLength(FIND); // Shouldn't skip holes
+
+if (FIND in []) Array(1)[FIND](function () {
+  SKIPS_HOLES = false;
+}); // `Array.prototype.find` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.find
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: SKIPS_HOLES || !USES_TO_LENGTH
+}, {
+  find: function find(callbackfn
+  /* , that = undefined */
+  ) {
+    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+}); // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables(FIND);
+
+/***/ }),
+/* 146 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $findIndex = __webpack_require__(60).findIndex;
+
+var addToUnscopables = __webpack_require__(138);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var FIND_INDEX = 'findIndex';
+var SKIPS_HOLES = true;
+var USES_TO_LENGTH = arrayMethodUsesToLength(FIND_INDEX); // Shouldn't skip holes
+
+if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () {
+  SKIPS_HOLES = false;
+}); // `Array.prototype.findIndex` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.findindex
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: SKIPS_HOLES || !USES_TO_LENGTH
+}, {
+  findIndex: function findIndex(callbackfn
+  /* , that = undefined */
+  ) {
+    return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+}); // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables(FIND_INDEX);
+
+/***/ }),
+/* 147 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var flattenIntoArray = __webpack_require__(148);
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var toInteger = __webpack_require__(42);
+
+var arraySpeciesCreate = __webpack_require__(63); // `Array.prototype.flat` method
+// https://github.com/tc39/proposal-flatMap
+
+
+$({
+  target: 'Array',
+  proto: true
+}, {
+  flat: function flat()
+  /* depthArg = 1 */
+  {
+    var depthArg = arguments.length ? arguments[0] : undefined;
+    var O = toObject(this);
+    var sourceLen = toLength(O.length);
+    var A = arraySpeciesCreate(O, 0);
+    A.length = flattenIntoArray(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg));
+    return A;
+  }
+});
+
+/***/ }),
+/* 148 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var isArray = __webpack_require__(49);
+
+var toLength = __webpack_require__(41);
+
+var bind = __webpack_require__(61); // `FlattenIntoArray` abstract operation
+// https://tc39.github.io/proposal-flatMap/#sec-FlattenIntoArray
+
+
+var flattenIntoArray = function flattenIntoArray(target, original, source, sourceLen, start, depth, mapper, thisArg) {
+  var targetIndex = start;
+  var sourceIndex = 0;
+  var mapFn = mapper ? bind(mapper, thisArg, 3) : false;
+  var element;
+
+  while (sourceIndex < sourceLen) {
+    if (sourceIndex in source) {
+      element = mapFn ? mapFn(source[sourceIndex], sourceIndex, original) : source[sourceIndex];
+
+      if (depth > 0 && isArray(element)) {
+        targetIndex = flattenIntoArray(target, original, element, toLength(element.length), targetIndex, depth - 1) - 1;
+      } else {
+        if (targetIndex >= 0x1FFFFFFFFFFFFF) throw TypeError('Exceed the acceptable array length');
+        target[targetIndex] = element;
+      }
+
+      targetIndex++;
+    }
+
+    sourceIndex++;
+  }
+
+  return targetIndex;
+};
+
+module.exports = flattenIntoArray;
+
+/***/ }),
+/* 149 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var flattenIntoArray = __webpack_require__(148);
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var aFunction = __webpack_require__(62);
+
+var arraySpeciesCreate = __webpack_require__(63); // `Array.prototype.flatMap` method
+// https://github.com/tc39/proposal-flatMap
+
+
+$({
+  target: 'Array',
+  proto: true
+}, {
+  flatMap: function flatMap(callbackfn
+  /* , thisArg */
+  ) {
+    var O = toObject(this);
+    var sourceLen = toLength(O.length);
+    var A;
+    aFunction(callbackfn);
+    A = arraySpeciesCreate(O, 0);
+    A.length = flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+    return A;
+  }
+});
+
+/***/ }),
+/* 150 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var forEach = __webpack_require__(151); // `Array.prototype.forEach` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
+
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: [].forEach != forEach
+}, {
+  forEach: forEach
+});
+
+/***/ }),
+/* 151 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $forEach = __webpack_require__(60).forEach;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var STRICT_METHOD = arrayMethodIsStrict('forEach');
+var USES_TO_LENGTH = arrayMethodUsesToLength('forEach'); // `Array.prototype.forEach` method implementation
+// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
+
+module.exports = !STRICT_METHOD || !USES_TO_LENGTH ? function forEach(callbackfn
+/* , thisArg */
+) {
+  return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+} : [].forEach;
+
+/***/ }),
+/* 152 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $includes = __webpack_require__(40).includes;
+
+var addToUnscopables = __webpack_require__(138);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+  ACCESSORS: true,
+  1: 0
+}); // `Array.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.includes
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !USES_TO_LENGTH
+}, {
+  includes: function includes(el
+  /* , fromIndex = 0 */
+  ) {
+    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+  }
+}); // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables('includes');
+
+/***/ }),
+/* 153 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $indexOf = __webpack_require__(40).indexOf;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var nativeIndexOf = [].indexOf;
+var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
+var STRICT_METHOD = arrayMethodIsStrict('indexOf');
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+  ACCESSORS: true,
+  1: 0
+}); // `Array.prototype.indexOf` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH
+}, {
+  indexOf: function indexOf(searchElement
+  /* , fromIndex = 0 */
+  ) {
+    return NEGATIVE_ZERO // convert -0 to +0
+    ? nativeIndexOf.apply(this, arguments) || 0 : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 154 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var IndexedObject = __webpack_require__(12);
+
+var toIndexedObject = __webpack_require__(11);
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var nativeJoin = [].join;
+var ES3_STRINGS = IndexedObject != Object;
+var STRICT_METHOD = arrayMethodIsStrict('join', ','); // `Array.prototype.join` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.join
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: ES3_STRINGS || !STRICT_METHOD
+}, {
+  join: function join(separator) {
+    return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
+  }
+});
+
+/***/ }),
+/* 155 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var lastIndexOf = __webpack_require__(156); // `Array.prototype.lastIndexOf` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof
+
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: lastIndexOf !== [].lastIndexOf
+}, {
+  lastIndexOf: lastIndexOf
+});
+
+/***/ }),
+/* 156 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toIndexedObject = __webpack_require__(11);
+
+var toInteger = __webpack_require__(42);
+
+var toLength = __webpack_require__(41);
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var min = Math.min;
+var nativeLastIndexOf = [].lastIndexOf;
+var NEGATIVE_ZERO = !!nativeLastIndexOf && 1 / [1].lastIndexOf(1, -0) < 0;
+var STRICT_METHOD = arrayMethodIsStrict('lastIndexOf'); // For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', {
+  ACCESSORS: true,
+  1: 0
+});
+var FORCED = NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH; // `Array.prototype.lastIndexOf` method implementation
+// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof
+
+module.exports = FORCED ? function lastIndexOf(searchElement
+/* , fromIndex = @[*-1] */
+) {
+  // convert -0 to +0
+  if (NEGATIVE_ZERO) return nativeLastIndexOf.apply(this, arguments) || 0;
+  var O = toIndexedObject(this);
+  var length = toLength(O.length);
+  var index = length - 1;
+  if (arguments.length > 1) index = min(index, toInteger(arguments[1]));
+  if (index < 0) index = length + index;
+
+  for (; index >= 0; index--) if (index in O && O[index] === searchElement) return index || 0;
+
+  return -1;
+} : nativeLastIndexOf;
+
+/***/ }),
+/* 157 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $map = __webpack_require__(60).map;
+
+var arrayMethodHasSpeciesSupport = __webpack_require__(133);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('map'); // FF49- issue
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('map'); // `Array.prototype.map` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.map
+// with adding support of @@species
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH
+}, {
+  map: function map(callbackfn
+  /* , thisArg */
+  ) {
+    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 158 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $reduce = __webpack_require__(159).left;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var STRICT_METHOD = arrayMethodIsStrict('reduce');
+var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', {
+  1: 0
+}); // `Array.prototype.reduce` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reduce
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !STRICT_METHOD || !USES_TO_LENGTH
+}, {
+  reduce: function reduce(callbackfn
+  /* , initialValue */
+  ) {
+    return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 159 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var aFunction = __webpack_require__(62);
+
+var toObject = __webpack_require__(50);
+
+var IndexedObject = __webpack_require__(12);
+
+var toLength = __webpack_require__(41); // `Array.prototype.{ reduce, reduceRight }` methods implementation
+
+
+var createMethod = function createMethod(IS_RIGHT) {
+  return function (that, callbackfn, argumentsLength, memo) {
+    aFunction(callbackfn);
+    var O = toObject(that);
+    var self = IndexedObject(O);
+    var length = toLength(O.length);
+    var index = IS_RIGHT ? length - 1 : 0;
+    var i = IS_RIGHT ? -1 : 1;
+    if (argumentsLength < 2) while (true) {
+      if (index in self) {
+        memo = self[index];
+        index += i;
+        break;
+      }
+
+      index += i;
+
+      if (IS_RIGHT ? index < 0 : length <= index) {
+        throw TypeError('Reduce of empty array with no initial value');
+      }
+    }
+
+    for (; IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {
+      memo = callbackfn(memo, self[index], index, O);
+    }
+
+    return memo;
+  };
+};
+
+module.exports = {
+  // `Array.prototype.reduce` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.reduce
+  left: createMethod(false),
+  // `Array.prototype.reduceRight` method
+  // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
+  right: createMethod(true)
+};
+
+/***/ }),
+/* 160 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $reduceRight = __webpack_require__(159).right;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var STRICT_METHOD = arrayMethodIsStrict('reduceRight'); // For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
+
+var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', {
+  1: 0
+}); // `Array.prototype.reduceRight` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !STRICT_METHOD || !USES_TO_LENGTH
+}, {
+  reduceRight: function reduceRight(callbackfn
+  /* , initialValue */
+  ) {
+    return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 161 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var isArray = __webpack_require__(49);
+
+var nativeReverse = [].reverse;
+var test = [1, 2]; // `Array.prototype.reverse` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reverse
+// fix for Safari 12.0 bug
+// https://bugs.webkit.org/show_bug.cgi?id=188794
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: String(test) === String(test.reverse())
+}, {
+  reverse: function reverse() {
+    // eslint-disable-next-line no-self-assign
+    if (isArray(this)) this.length = this.length;
+    return nativeReverse.call(this);
+  }
+});
+
+/***/ }),
+/* 162 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var isObject = __webpack_require__(16);
+
+var isArray = __webpack_require__(49);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var toLength = __webpack_require__(41);
+
+var toIndexedObject = __webpack_require__(11);
+
+var createProperty = __webpack_require__(96);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var arrayMethodHasSpeciesSupport = __webpack_require__(133);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('slice');
+var USES_TO_LENGTH = arrayMethodUsesToLength('slice', {
+  ACCESSORS: true,
+  0: 0,
+  1: 2
+});
+var SPECIES = wellKnownSymbol('species');
+var nativeSlice = [].slice;
+var max = Math.max; // `Array.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.slice
+// fallback for not array-like ES3 strings and DOM objects
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH
+}, {
+  slice: function slice(start, end) {
+    var O = toIndexedObject(this);
+    var length = toLength(O.length);
+    var k = toAbsoluteIndex(start, length);
+    var fin = toAbsoluteIndex(end === undefined ? length : end, length); // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
+
+    var Constructor, result, n;
+
+    if (isArray(O)) {
+      Constructor = O.constructor; // cross-realm fallback
+
+      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
+        Constructor = undefined;
+      } else if (isObject(Constructor)) {
+        Constructor = Constructor[SPECIES];
+        if (Constructor === null) Constructor = undefined;
+      }
+
+      if (Constructor === Array || Constructor === undefined) {
+        return nativeSlice.call(O, k, fin);
+      }
+    }
+
+    result = new (Constructor === undefined ? Array : Constructor)(max(fin - k, 0));
+
+    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
+
+    result.length = n;
+    return result;
+  }
+});
+
+/***/ }),
+/* 163 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $some = __webpack_require__(60).some;
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var STRICT_METHOD = arrayMethodIsStrict('some');
+var USES_TO_LENGTH = arrayMethodUsesToLength('some'); // `Array.prototype.some` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.some
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !STRICT_METHOD || !USES_TO_LENGTH
+}, {
+  some: function some(callbackfn
+  /* , thisArg */
+  ) {
+    return $some(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 164 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var aFunction = __webpack_require__(62);
+
+var toObject = __webpack_require__(50);
+
+var fails = __webpack_require__(8);
+
+var arrayMethodIsStrict = __webpack_require__(140);
+
+var test = [];
+var nativeSort = test.sort; // IE8-
+
+var FAILS_ON_UNDEFINED = fails(function () {
+  test.sort(undefined);
+}); // V8 bug
+
+var FAILS_ON_NULL = fails(function () {
+  test.sort(null);
+}); // Old WebKit
+
+var STRICT_METHOD = arrayMethodIsStrict('sort');
+var FORCED = FAILS_ON_UNDEFINED || !FAILS_ON_NULL || !STRICT_METHOD; // `Array.prototype.sort` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.sort
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: FORCED
+}, {
+  sort: function sort(comparefn) {
+    return comparefn === undefined ? nativeSort.call(toObject(this)) : nativeSort.call(toObject(this), aFunction(comparefn));
+  }
+});
+
+/***/ }),
+/* 165 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var toInteger = __webpack_require__(42);
+
+var toLength = __webpack_require__(41);
+
+var toObject = __webpack_require__(50);
+
+var arraySpeciesCreate = __webpack_require__(63);
+
+var createProperty = __webpack_require__(96);
+
+var arrayMethodHasSpeciesSupport = __webpack_require__(133);
+
+var arrayMethodUsesToLength = __webpack_require__(141);
+
+var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('splice');
+var USES_TO_LENGTH = arrayMethodUsesToLength('splice', {
+  ACCESSORS: true,
+  0: 0,
+  1: 2
+});
+var max = Math.max;
+var min = Math.min;
+var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
+var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded'; // `Array.prototype.splice` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.splice
+// with adding support of @@species
+
+$({
+  target: 'Array',
+  proto: true,
+  forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH
+}, {
+  splice: function splice(start, deleteCount
+  /* , ...items */
+  ) {
+    var O = toObject(this);
+    var len = toLength(O.length);
+    var actualStart = toAbsoluteIndex(start, len);
+    var argumentsLength = arguments.length;
+    var insertCount, actualDeleteCount, A, k, from, to;
+
+    if (argumentsLength === 0) {
+      insertCount = actualDeleteCount = 0;
+    } else if (argumentsLength === 1) {
+      insertCount = 0;
+      actualDeleteCount = len - actualStart;
+    } else {
+      insertCount = argumentsLength - 2;
+      actualDeleteCount = min(max(toInteger(deleteCount), 0), len - actualStart);
+    }
+
+    if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
+      throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
+    }
+
+    A = arraySpeciesCreate(O, actualDeleteCount);
+
+    for (k = 0; k < actualDeleteCount; k++) {
+      from = actualStart + k;
+      if (from in O) createProperty(A, k, O[from]);
+    }
+
+    A.length = actualDeleteCount;
+
+    if (insertCount < actualDeleteCount) {
+      for (k = actualStart; k < len - actualDeleteCount; k++) {
+        from = k + actualDeleteCount;
+        to = k + insertCount;
+        if (from in O) O[to] = O[from];else delete O[to];
+      }
+
+      for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
+    } else if (insertCount > actualDeleteCount) {
+      for (k = len - actualDeleteCount; k > actualStart; k--) {
+        from = k + actualDeleteCount - 1;
+        to = k + insertCount - 1;
+        if (from in O) O[to] = O[from];else delete O[to];
+      }
+    }
+
+    for (k = 0; k < insertCount; k++) {
+      O[k + actualStart] = arguments[k + 2];
+    }
+
+    O.length = len - actualDeleteCount + insertCount;
+    return A;
+  }
+});
+
+/***/ }),
+/* 166 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var setSpecies = __webpack_require__(167); // `Array[@@species]` getter
+// https://tc39.github.io/ecma262/#sec-get-array-@@species
+
+
+setSpecies('Array');
+
+/***/ }),
+/* 167 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var getBuiltIn = __webpack_require__(36);
+
+var definePropertyModule = __webpack_require__(21);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var SPECIES = wellKnownSymbol('species');
+
+module.exports = function (CONSTRUCTOR_NAME) {
+  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
+  var defineProperty = definePropertyModule.f;
+
+  if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {
+    defineProperty(Constructor, SPECIES, {
+      configurable: true,
+      get: function get() {
+        return this;
+      }
+    });
+  }
+};
+
+/***/ }),
+/* 168 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// this method was added to unscopables after implementation
+// in popular engines, so it's moved to a separate module
+var addToUnscopables = __webpack_require__(138);
+
+addToUnscopables('flat');
+
+/***/ }),
+/* 169 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// this method was added to unscopables after implementation
+// in popular engines, so it's moved to a separate module
+var addToUnscopables = __webpack_require__(138);
+
+addToUnscopables('flatMap');
+
+/***/ }),
+/* 170 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toIndexedObject = __webpack_require__(11);
+
+var addToUnscopables = __webpack_require__(138);
+
+var Iterators = __webpack_require__(91);
+
+var InternalStateModule = __webpack_require__(27);
+
+var defineIterator = __webpack_require__(171);
+
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR); // `Array.prototype.entries` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.entries
+// `Array.prototype.keys` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.keys
+// `Array.prototype.values` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.values
+// `Array.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
+// `CreateArrayIterator` internal method
+// https://tc39.github.io/ecma262/#sec-createarrayiterator
+
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+  setInternalState(this, {
+    type: ARRAY_ITERATOR,
+    target: toIndexedObject(iterated),
+    // target
+    index: 0,
+    // next index
+    kind: kind // kind
+
+  }); // `%ArrayIteratorPrototype%.next` method
+  // https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
+}, function () {
+  var state = getInternalState(this);
+  var target = state.target;
+  var kind = state.kind;
+  var index = state.index++;
+
+  if (!target || index >= target.length) {
+    state.target = undefined;
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  if (kind == 'keys') return {
+    value: index,
+    done: false
+  };
+  if (kind == 'values') return {
+    value: target[index],
+    done: false
+  };
+  return {
+    value: [index, target[index]],
+    done: false
+  };
+}, 'values'); // argumentsList[@@iterator] is %ArrayProto_values%
+// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
+// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
+
+Iterators.Arguments = Iterators.Array; // https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
+
+/***/ }),
+/* 171 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createIteratorConstructor = __webpack_require__(172);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var setPrototypeOf = __webpack_require__(112);
+
+var setToStringTag = __webpack_require__(59);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var redefine = __webpack_require__(23);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var IS_PURE = __webpack_require__(31);
+
+var Iterators = __webpack_require__(91);
+
+var IteratorsCore = __webpack_require__(173);
+
+var IteratorPrototype = IteratorsCore.IteratorPrototype;
+var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
+var ITERATOR = wellKnownSymbol('iterator');
+var KEYS = 'keys';
+var VALUES = 'values';
+var ENTRIES = 'entries';
+
+var returnThis = function returnThis() {
+  return this;
+};
+
+module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
+  createIteratorConstructor(IteratorConstructor, NAME, next);
+
+  var getIterationMethod = function getIterationMethod(KIND) {
+    if (KIND === DEFAULT && defaultIterator) return defaultIterator;
+    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];
+
+    switch (KIND) {
+      case KEYS:
+        return function keys() {
+          return new IteratorConstructor(this, KIND);
+        };
+
+      case VALUES:
+        return function values() {
+          return new IteratorConstructor(this, KIND);
+        };
+
+      case ENTRIES:
+        return function entries() {
+          return new IteratorConstructor(this, KIND);
+        };
+    }
+
+    return function () {
+      return new IteratorConstructor(this);
+    };
+  };
+
+  var TO_STRING_TAG = NAME + ' Iterator';
+  var INCORRECT_VALUES_NAME = false;
+  var IterablePrototype = Iterable.prototype;
+  var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
+  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
+  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
+  var CurrentIteratorPrototype, methods, KEY; // fix native
+
+  if (anyNativeIterator) {
+    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
+
+    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
+      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
+        if (setPrototypeOf) {
+          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
+        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
+          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
+        }
+      } // Set @@toStringTag to native iterators
+
+
+      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
+      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;
+    }
+  } // fix Array#{values, @@iterator}.name in V8 / FF
+
+
+  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
+    INCORRECT_VALUES_NAME = true;
+
+    defaultIterator = function values() {
+      return nativeIterator.call(this);
+    };
+  } // define iterator
+
+
+  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
+    createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
+  }
+
+  Iterators[NAME] = defaultIterator; // export additional methods
+
+  if (DEFAULT) {
+    methods = {
+      values: getIterationMethod(VALUES),
+      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
+      entries: getIterationMethod(ENTRIES)
+    };
+    if (FORCED) for (KEY in methods) {
+      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
+        redefine(IterablePrototype, KEY, methods[KEY]);
+      }
+    } else $({
+      target: NAME,
+      proto: true,
+      forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
+    }, methods);
+  }
+
+  return methods;
+};
+
+/***/ }),
+/* 172 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var IteratorPrototype = __webpack_require__(173).IteratorPrototype;
+
+var create = __webpack_require__(51);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+var setToStringTag = __webpack_require__(59);
+
+var Iterators = __webpack_require__(91);
+
+var returnThis = function returnThis() {
+  return this;
+};
+
+module.exports = function (IteratorConstructor, NAME, next) {
+  var TO_STRING_TAG = NAME + ' Iterator';
+  IteratorConstructor.prototype = create(IteratorPrototype, {
+    next: createPropertyDescriptor(1, next)
+  });
+  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
+  Iterators[TO_STRING_TAG] = returnThis;
+  return IteratorConstructor;
+};
+
+/***/ }),
+/* 173 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var getPrototypeOf = __webpack_require__(101);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var has = __webpack_require__(17);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var IS_PURE = __webpack_require__(31);
+
+var ITERATOR = wellKnownSymbol('iterator');
+var BUGGY_SAFARI_ITERATORS = false;
+
+var returnThis = function returnThis() {
+  return this;
+}; // `%IteratorPrototype%` object
+// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object
+
+
+var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
+
+if ([].keys) {
+  arrayIterator = [].keys(); // Safari 8 has buggy iterators w/o `next`
+
+  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;else {
+    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
+    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
+  }
+}
+
+if (IteratorPrototype == undefined) IteratorPrototype = {}; // 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
+
+if (!IS_PURE && !has(IteratorPrototype, ITERATOR)) {
+  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
+}
+
+module.exports = {
+  IteratorPrototype: IteratorPrototype,
+  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
+};
+
+/***/ }),
+/* 174 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var fromCharCode = String.fromCharCode;
+var nativeFromCodePoint = String.fromCodePoint; // length should be 1, old FF problem
+
+var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1; // `String.fromCodePoint` method
+// https://tc39.github.io/ecma262/#sec-string.fromcodepoint
+
+$({
+  target: 'String',
+  stat: true,
+  forced: INCORRECT_LENGTH
+}, {
+  fromCodePoint: function fromCodePoint(x) {
+    // eslint-disable-line no-unused-vars
+    var elements = [];
+    var length = arguments.length;
+    var i = 0;
+    var code;
+
+    while (length > i) {
+      code = +arguments[i++];
+      if (toAbsoluteIndex(code, 0x10FFFF) !== code) throw RangeError(code + ' is not a valid code point');
+      elements.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00));
+    }
+
+    return elements.join('');
+  }
+});
+
+/***/ }),
+/* 175 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var toIndexedObject = __webpack_require__(11);
+
+var toLength = __webpack_require__(41); // `String.raw` method
+// https://tc39.github.io/ecma262/#sec-string.raw
+
+
+$({
+  target: 'String',
+  stat: true
+}, {
+  raw: function raw(template) {
+    var rawTemplate = toIndexedObject(template.raw);
+    var literalSegments = toLength(rawTemplate.length);
+    var argumentsLength = arguments.length;
+    var elements = [];
+    var i = 0;
+
+    while (literalSegments > i) {
+      elements.push(String(rawTemplate[i++]));
+      if (i < argumentsLength) elements.push(String(arguments[i]));
+    }
+
+    return elements.join('');
+  }
+});
+
+/***/ }),
+/* 176 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var codeAt = __webpack_require__(177).codeAt; // `String.prototype.codePointAt` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
+
+
+$({
+  target: 'String',
+  proto: true
+}, {
+  codePointAt: function codePointAt(pos) {
+    return codeAt(this, pos);
+  }
+});
+
+/***/ }),
+/* 177 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toInteger = __webpack_require__(42);
+
+var requireObjectCoercible = __webpack_require__(14); // `String.prototype.{ codePointAt, at }` methods implementation
+
+
+var createMethod = function createMethod(CONVERT_TO_STRING) {
+  return function ($this, pos) {
+    var S = String(requireObjectCoercible($this));
+    var position = toInteger(pos);
+    var size = S.length;
+    var first, second;
+    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
+    first = S.charCodeAt(position);
+    return first < 0xD800 || first > 0xDBFF || position + 1 === size || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF ? CONVERT_TO_STRING ? S.charAt(position) : first : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
+  };
+};
+
+module.exports = {
+  // `String.prototype.codePointAt` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
+  codeAt: createMethod(false),
+  // `String.prototype.at` method
+  // https://github.com/mathiasbynens/String.prototype.at
+  charAt: createMethod(true)
+};
+
+/***/ }),
+/* 178 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var toLength = __webpack_require__(41);
+
+var notARegExp = __webpack_require__(179);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var correctIsRegExpLogic = __webpack_require__(181);
+
+var IS_PURE = __webpack_require__(31);
+
+var nativeEndsWith = ''.endsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('endsWith'); // https://github.com/zloirock/core-js/pull/702
+
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+  var descriptor = getOwnPropertyDescriptor(String.prototype, 'endsWith');
+  return descriptor && !descriptor.writable;
+}(); // `String.prototype.endsWith` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.endswith
+
+$({
+  target: 'String',
+  proto: true,
+  forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+  endsWith: function endsWith(searchString
+  /* , endPosition = @length */
+  ) {
+    var that = String(requireObjectCoercible(this));
+    notARegExp(searchString);
+    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+    var len = toLength(that.length);
+    var end = endPosition === undefined ? len : min(toLength(endPosition), len);
+    var search = String(searchString);
+    return nativeEndsWith ? nativeEndsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
+  }
+});
+
+/***/ }),
+/* 179 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isRegExp = __webpack_require__(180);
+
+module.exports = function (it) {
+  if (isRegExp(it)) {
+    throw TypeError("The method doesn't accept regular expressions");
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 180 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+var classof = __webpack_require__(13);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var MATCH = wellKnownSymbol('match'); // `IsRegExp` abstract operation
+// https://tc39.github.io/ecma262/#sec-isregexp
+
+module.exports = function (it) {
+  var isRegExp;
+  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
+};
+
+/***/ }),
+/* 181 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var MATCH = wellKnownSymbol('match');
+
+module.exports = function (METHOD_NAME) {
+  var regexp = /./;
+
+  try {
+    '/./'[METHOD_NAME](regexp);
+  } catch (e) {
+    try {
+      regexp[MATCH] = false;
+      return '/./'[METHOD_NAME](regexp);
+    } catch (f) {
+      /* empty */
+    }
+  }
+
+  return false;
+};
+
+/***/ }),
+/* 182 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var notARegExp = __webpack_require__(179);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var correctIsRegExpLogic = __webpack_require__(181); // `String.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.includes
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: !correctIsRegExpLogic('includes')
+}, {
+  includes: function includes(searchString
+  /* , position = 0 */
+  ) {
+    return !!~String(requireObjectCoercible(this)).indexOf(notARegExp(searchString), arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 183 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fixRegExpWellKnownSymbolLogic = __webpack_require__(184);
+
+var anObject = __webpack_require__(22);
+
+var toLength = __webpack_require__(41);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var advanceStringIndex = __webpack_require__(189);
+
+var regExpExec = __webpack_require__(190); // @@match logic
+
+
+fixRegExpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
+  return [// `String.prototype.match` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.match
+  function match(regexp) {
+    var O = requireObjectCoercible(this);
+    var matcher = regexp == undefined ? undefined : regexp[MATCH];
+    return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
+  }, // `RegExp.prototype[@@match]` method
+  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
+  function (regexp) {
+    var res = maybeCallNative(nativeMatch, regexp, this);
+    if (res.done) return res.value;
+    var rx = anObject(regexp);
+    var S = String(this);
+    if (!rx.global) return regExpExec(rx, S);
+    var fullUnicode = rx.unicode;
+    rx.lastIndex = 0;
+    var A = [];
+    var n = 0;
+    var result;
+
+    while ((result = regExpExec(rx, S)) !== null) {
+      var matchStr = String(result[0]);
+      A[n] = matchStr;
+      if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
+      n++;
+    }
+
+    return n === 0 ? null : A;
+  }];
+});
+
+/***/ }),
+/* 184 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // TODO: Remove from `core-js@4` since it's moved to entry points
+
+__webpack_require__(185);
+
+var redefine = __webpack_require__(23);
+
+var fails = __webpack_require__(8);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var regexpExec = __webpack_require__(186);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var SPECIES = wellKnownSymbol('species');
+var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
+  // #replace needs built-in support for named groups.
+  // #match works fine because it just return the exec results, even if it has
+  // a "grops" property.
+  var re = /./;
+
+  re.exec = function () {
+    var result = [];
+    result.groups = {
+      a: '7'
+    };
+    return result;
+  };
+
+  return ''.replace(re, '$<a>') !== '7';
+}); // IE <= 11 replaces $0 with the whole match, as if it was $&
+// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
+
+var REPLACE_KEEPS_$0 = function () {
+  return 'a'.replace(/./, '$0') === '$0';
+}();
+
+var REPLACE = wellKnownSymbol('replace'); // Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
+
+var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = function () {
+  if (/./[REPLACE]) {
+    return /./[REPLACE]('a', '$0') === '';
+  }
+
+  return false;
+}(); // Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
+// Weex JS has frozen built-in prototypes, so use try / catch wrapper
+
+
+var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
+  var re = /(?:)/;
+  var originalExec = re.exec;
+
+  re.exec = function () {
+    return originalExec.apply(this, arguments);
+  };
+
+  var result = 'ab'.split(re);
+  return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
+});
+
+module.exports = function (KEY, length, exec, sham) {
+  var SYMBOL = wellKnownSymbol(KEY);
+  var DELEGATES_TO_SYMBOL = !fails(function () {
+    // String methods call symbol-named RegEp methods
+    var O = {};
+
+    O[SYMBOL] = function () {
+      return 7;
+    };
+
+    return ''[KEY](O) != 7;
+  });
+  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails(function () {
+    // Symbol-named RegExp methods call .exec
+    var execCalled = false;
+    var re = /a/;
+
+    if (KEY === 'split') {
+      // We can't use real regex here since it causes deoptimization
+      // and serious performance degradation in V8
+      // https://github.com/zloirock/core-js/issues/306
+      re = {}; // RegExp[@@split] doesn't call the regex's exec method, but first creates
+      // a new one. We need to return the patched regex when creating the new one.
+
+      re.constructor = {};
+
+      re.constructor[SPECIES] = function () {
+        return re;
+      };
+
+      re.flags = '';
+      re[SYMBOL] = /./[SYMBOL];
+    }
+
+    re.exec = function () {
+      execCalled = true;
+      return null;
+    };
+
+    re[SYMBOL]('');
+    return !execCalled;
+  });
+
+  if (!DELEGATES_TO_SYMBOL || !DELEGATES_TO_EXEC || KEY === 'replace' && !(REPLACE_SUPPORTS_NAMED_GROUPS && REPLACE_KEEPS_$0 && !REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE) || KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC) {
+    var nativeRegExpMethod = /./[SYMBOL];
+    var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
+      if (regexp.exec === regexpExec) {
+        if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
+          // The native String method already delegates to @@method (this
+          // polyfilled function), leasing to infinite recursion.
+          // We avoid it by directly calling the native @@method method.
+          return {
+            done: true,
+            value: nativeRegExpMethod.call(regexp, str, arg2)
+          };
+        }
+
+        return {
+          done: true,
+          value: nativeMethod.call(str, regexp, arg2)
+        };
+      }
+
+      return {
+        done: false
+      };
+    }, {
+      REPLACE_KEEPS_$0: REPLACE_KEEPS_$0,
+      REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE: REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
+    });
+    var stringMethod = methods[0];
+    var regexMethod = methods[1];
+    redefine(String.prototype, KEY, stringMethod);
+    redefine(RegExp.prototype, SYMBOL, length == 2 // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
+    // 21.2.5.11 RegExp.prototype[@@split](string, limit)
+    ? function (string, arg) {
+      return regexMethod.call(string, this, arg);
+    } // 21.2.5.6 RegExp.prototype[@@match](string)
+    // 21.2.5.9 RegExp.prototype[@@search](string)
+    : function (string) {
+      return regexMethod.call(string, this);
+    });
+  }
+
+  if (sham) createNonEnumerableProperty(RegExp.prototype[SYMBOL], 'sham', true);
+};
+
+/***/ }),
+/* 185 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var exec = __webpack_require__(186);
+
+$({
+  target: 'RegExp',
+  proto: true,
+  forced: /./.exec !== exec
+}, {
+  exec: exec
+});
+
+/***/ }),
+/* 186 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var regexpFlags = __webpack_require__(187);
+
+var stickyHelpers = __webpack_require__(188);
+
+var nativeExec = RegExp.prototype.exec; // This always refers to the native implementation, because the
+// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
+// which loads this file before patching the method.
+
+var nativeReplace = String.prototype.replace;
+var patchedExec = nativeExec;
+
+var UPDATES_LAST_INDEX_WRONG = function () {
+  var re1 = /a/;
+  var re2 = /b*/g;
+  nativeExec.call(re1, 'a');
+  nativeExec.call(re2, 'a');
+  return re1.lastIndex !== 0 || re2.lastIndex !== 0;
+}();
+
+var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y || stickyHelpers.BROKEN_CARET; // nonparticipating capturing group, copied from es5-shim's String#split patch.
+
+var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;
+var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y;
+
+if (PATCH) {
+  patchedExec = function exec(str) {
+    var re = this;
+    var lastIndex, reCopy, match, i;
+    var sticky = UNSUPPORTED_Y && re.sticky;
+    var flags = regexpFlags.call(re);
+    var source = re.source;
+    var charsAdded = 0;
+    var strCopy = str;
+
+    if (sticky) {
+      flags = flags.replace('y', '');
+
+      if (flags.indexOf('g') === -1) {
+        flags += 'g';
+      }
+
+      strCopy = String(str).slice(re.lastIndex); // Support anchored sticky behavior.
+
+      if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\n')) {
+        source = '(?: ' + source + ')';
+        strCopy = ' ' + strCopy;
+        charsAdded++;
+      } // ^(? + rx + ) is needed, in combination with some str slicing, to
+      // simulate the 'y' flag.
+
+
+      reCopy = new RegExp('^(?:' + source + ')', flags);
+    }
+
+    if (NPCG_INCLUDED) {
+      reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
+    }
+
+    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;
+    match = nativeExec.call(sticky ? reCopy : re, strCopy);
+
+    if (sticky) {
+      if (match) {
+        match.input = match.input.slice(charsAdded);
+        match[0] = match[0].slice(charsAdded);
+        match.index = re.lastIndex;
+        re.lastIndex += match[0].length;
+      } else re.lastIndex = 0;
+    } else if (UPDATES_LAST_INDEX_WRONG && match) {
+      re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
+    }
+
+    if (NPCG_INCLUDED && match && match.length > 1) {
+      // Fix browsers whose `exec` methods don't consistently return `undefined`
+      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
+      nativeReplace.call(match[0], reCopy, function () {
+        for (i = 1; i < arguments.length - 2; i++) {
+          if (arguments[i] === undefined) match[i] = undefined;
+        }
+      });
+    }
+
+    return match;
+  };
+}
+
+module.exports = patchedExec;
+
+/***/ }),
+/* 187 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var anObject = __webpack_require__(22); // `RegExp.prototype.flags` getter implementation
+// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
+
+
+module.exports = function () {
+  var that = anObject(this);
+  var result = '';
+  if (that.global) result += 'g';
+  if (that.ignoreCase) result += 'i';
+  if (that.multiline) result += 'm';
+  if (that.dotAll) result += 's';
+  if (that.unicode) result += 'u';
+  if (that.sticky) result += 'y';
+  return result;
+};
+
+/***/ }),
+/* 188 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fails = __webpack_require__(8); // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
+// so we use an intermediate function.
+
+
+function RE(s, f) {
+  return RegExp(s, f);
+}
+
+exports.UNSUPPORTED_Y = fails(function () {
+  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
+  var re = RE('a', 'y');
+  re.lastIndex = 2;
+  return re.exec('abcd') != null;
+});
+exports.BROKEN_CARET = fails(function () {
+  // https://bugzilla.mozilla.org/show_bug.cgi?id=773687
+  var re = RE('^r', 'gy');
+  re.lastIndex = 2;
+  return re.exec('str') != null;
+});
+
+/***/ }),
+/* 189 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var charAt = __webpack_require__(177).charAt; // `AdvanceStringIndex` abstract operation
+// https://tc39.github.io/ecma262/#sec-advancestringindex
+
+
+module.exports = function (S, index, unicode) {
+  return index + (unicode ? charAt(S, index).length : 1);
+};
+
+/***/ }),
+/* 190 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var classof = __webpack_require__(13);
+
+var regexpExec = __webpack_require__(186); // `RegExpExec` abstract operation
+// https://tc39.github.io/ecma262/#sec-regexpexec
+
+
+module.exports = function (R, S) {
+  var exec = R.exec;
+
+  if (typeof exec === 'function') {
+    var result = exec.call(R, S);
+
+    if (typeof result !== 'object') {
+      throw TypeError('RegExp exec method returned something other than an Object or null');
+    }
+
+    return result;
+  }
+
+  if (classof(R) !== 'RegExp') {
+    throw TypeError('RegExp#exec called on incompatible receiver');
+  }
+
+  return regexpExec.call(R, S);
+};
+
+/***/ }),
+/* 191 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createIteratorConstructor = __webpack_require__(172);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var toLength = __webpack_require__(41);
+
+var aFunction = __webpack_require__(62);
+
+var anObject = __webpack_require__(22);
+
+var classof = __webpack_require__(13);
+
+var isRegExp = __webpack_require__(180);
+
+var getRegExpFlags = __webpack_require__(187);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var fails = __webpack_require__(8);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var speciesConstructor = __webpack_require__(192);
+
+var advanceStringIndex = __webpack_require__(189);
+
+var InternalStateModule = __webpack_require__(27);
+
+var IS_PURE = __webpack_require__(31);
+
+var MATCH_ALL = wellKnownSymbol('matchAll');
+var REGEXP_STRING = 'RegExp String';
+var REGEXP_STRING_ITERATOR = REGEXP_STRING + ' Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(REGEXP_STRING_ITERATOR);
+var RegExpPrototype = RegExp.prototype;
+var regExpBuiltinExec = RegExpPrototype.exec;
+var nativeMatchAll = ''.matchAll;
+var WORKS_WITH_NON_GLOBAL_REGEX = !!nativeMatchAll && !fails(function () {
+  'a'.matchAll(/./);
+});
+
+var regExpExec = function regExpExec(R, S) {
+  var exec = R.exec;
+  var result;
+
+  if (typeof exec == 'function') {
+    result = exec.call(R, S);
+    if (typeof result != 'object') throw TypeError('Incorrect exec result');
+    return result;
+  }
+
+  return regExpBuiltinExec.call(R, S);
+}; // eslint-disable-next-line max-len
+
+
+var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, global, fullUnicode) {
+  setInternalState(this, {
+    type: REGEXP_STRING_ITERATOR,
+    regexp: regexp,
+    string: string,
+    global: global,
+    unicode: fullUnicode,
+    done: false
+  });
+}, REGEXP_STRING, function next() {
+  var state = getInternalState(this);
+  if (state.done) return {
+    value: undefined,
+    done: true
+  };
+  var R = state.regexp;
+  var S = state.string;
+  var match = regExpExec(R, S);
+  if (match === null) return {
+    value: undefined,
+    done: state.done = true
+  };
+
+  if (state.global) {
+    if (String(match[0]) == '') R.lastIndex = advanceStringIndex(S, toLength(R.lastIndex), state.unicode);
+    return {
+      value: match,
+      done: false
+    };
+  }
+
+  state.done = true;
+  return {
+    value: match,
+    done: false
+  };
+});
+
+var $matchAll = function $matchAll(string) {
+  var R = anObject(this);
+  var S = String(string);
+  var C, flagsValue, flags, matcher, global, fullUnicode;
+  C = speciesConstructor(R, RegExp);
+  flagsValue = R.flags;
+
+  if (flagsValue === undefined && R instanceof RegExp && !('flags' in RegExpPrototype)) {
+    flagsValue = getRegExpFlags.call(R);
+  }
+
+  flags = flagsValue === undefined ? '' : String(flagsValue);
+  matcher = new C(C === RegExp ? R.source : R, flags);
+  global = !!~flags.indexOf('g');
+  fullUnicode = !!~flags.indexOf('u');
+  matcher.lastIndex = toLength(R.lastIndex);
+  return new $RegExpStringIterator(matcher, S, global, fullUnicode);
+}; // `String.prototype.matchAll` method
+// https://github.com/tc39/proposal-string-matchall
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: WORKS_WITH_NON_GLOBAL_REGEX
+}, {
+  matchAll: function matchAll(regexp) {
+    var O = requireObjectCoercible(this);
+    var flags, S, matcher, rx;
+
+    if (regexp != null) {
+      if (isRegExp(regexp)) {
+        flags = String(requireObjectCoercible('flags' in RegExpPrototype ? regexp.flags : getRegExpFlags.call(regexp)));
+        if (!~flags.indexOf('g')) throw TypeError('`.matchAll` does not allow non-global regexes');
+      }
+
+      if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
+      matcher = regexp[MATCH_ALL];
+      if (matcher === undefined && IS_PURE && classof(regexp) == 'RegExp') matcher = $matchAll;
+      if (matcher != null) return aFunction(matcher).call(regexp, O);
+    } else if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
+
+    S = String(O);
+    rx = new RegExp(regexp, 'g');
+    return IS_PURE ? $matchAll.call(rx, S) : rx[MATCH_ALL](S);
+  }
+});
+IS_PURE || MATCH_ALL in RegExpPrototype || createNonEnumerableProperty(RegExpPrototype, MATCH_ALL, $matchAll);
+
+/***/ }),
+/* 192 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var aFunction = __webpack_require__(62);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var SPECIES = wellKnownSymbol('species'); // `SpeciesConstructor` abstract operation
+// https://tc39.github.io/ecma262/#sec-speciesconstructor
+
+module.exports = function (O, defaultConstructor) {
+  var C = anObject(O).constructor;
+  var S;
+  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
+};
+
+/***/ }),
+/* 193 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $padEnd = __webpack_require__(194).end;
+
+var WEBKIT_BUG = __webpack_require__(196); // `String.prototype.padEnd` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.padend
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: WEBKIT_BUG
+}, {
+  padEnd: function padEnd(maxLength
+  /* , fillString = ' ' */
+  ) {
+    return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 194 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// https://github.com/tc39/proposal-string-pad-start-end
+var toLength = __webpack_require__(41);
+
+var repeat = __webpack_require__(195);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var ceil = Math.ceil; // `String.prototype.{ padStart, padEnd }` methods implementation
+
+var createMethod = function createMethod(IS_END) {
+  return function ($this, maxLength, fillString) {
+    var S = String(requireObjectCoercible($this));
+    var stringLength = S.length;
+    var fillStr = fillString === undefined ? ' ' : String(fillString);
+    var intMaxLength = toLength(maxLength);
+    var fillLen, stringFiller;
+    if (intMaxLength <= stringLength || fillStr == '') return S;
+    fillLen = intMaxLength - stringLength;
+    stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));
+    if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);
+    return IS_END ? S + stringFiller : stringFiller + S;
+  };
+};
+
+module.exports = {
+  // `String.prototype.padStart` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.padstart
+  start: createMethod(false),
+  // `String.prototype.padEnd` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.padend
+  end: createMethod(true)
+};
+
+/***/ }),
+/* 195 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var toInteger = __webpack_require__(42);
+
+var requireObjectCoercible = __webpack_require__(14); // `String.prototype.repeat` method implementation
+// https://tc39.github.io/ecma262/#sec-string.prototype.repeat
+
+
+module.exports = ''.repeat || function repeat(count) {
+  var str = String(requireObjectCoercible(this));
+  var result = '';
+  var n = toInteger(count);
+  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');
+
+  for (; n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;
+
+  return result;
+};
+
+/***/ }),
+/* 196 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// https://github.com/zloirock/core-js/issues/280
+var userAgent = __webpack_require__(135); // eslint-disable-next-line unicorn/no-unsafe-regex
+
+
+module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+
+/***/ }),
+/* 197 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $padStart = __webpack_require__(194).start;
+
+var WEBKIT_BUG = __webpack_require__(196); // `String.prototype.padStart` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.padstart
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: WEBKIT_BUG
+}, {
+  padStart: function padStart(maxLength
+  /* , fillString = ' ' */
+  ) {
+    return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 198 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var repeat = __webpack_require__(195); // `String.prototype.repeat` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.repeat
+
+
+$({
+  target: 'String',
+  proto: true
+}, {
+  repeat: repeat
+});
+
+/***/ }),
+/* 199 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fixRegExpWellKnownSymbolLogic = __webpack_require__(184);
+
+var anObject = __webpack_require__(22);
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var toInteger = __webpack_require__(42);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var advanceStringIndex = __webpack_require__(189);
+
+var regExpExec = __webpack_require__(190);
+
+var max = Math.max;
+var min = Math.min;
+var floor = Math.floor;
+var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
+var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;
+
+var maybeToString = function maybeToString(it) {
+  return it === undefined ? it : String(it);
+}; // @@replace logic
+
+
+fixRegExpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
+  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
+  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
+  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';
+  return [// `String.prototype.replace` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.replace
+  function replace(searchValue, replaceValue) {
+    var O = requireObjectCoercible(this);
+    var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
+    return replacer !== undefined ? replacer.call(searchValue, O, replaceValue) : nativeReplace.call(String(O), searchValue, replaceValue);
+  }, // `RegExp.prototype[@@replace]` method
+  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
+  function (regexp, replaceValue) {
+    if (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0 || typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1) {
+      var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
+      if (res.done) return res.value;
+    }
+
+    var rx = anObject(regexp);
+    var S = String(this);
+    var functionalReplace = typeof replaceValue === 'function';
+    if (!functionalReplace) replaceValue = String(replaceValue);
+    var global = rx.global;
+
+    if (global) {
+      var fullUnicode = rx.unicode;
+      rx.lastIndex = 0;
+    }
+
+    var results = [];
+
+    while (true) {
+      var result = regExpExec(rx, S);
+      if (result === null) break;
+      results.push(result);
+      if (!global) break;
+      var matchStr = String(result[0]);
+      if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
+    }
+
+    var accumulatedResult = '';
+    var nextSourcePosition = 0;
+
+    for (var i = 0; i < results.length; i++) {
+      result = results[i];
+      var matched = String(result[0]);
+      var position = max(min(toInteger(result.index), S.length), 0);
+      var captures = []; // NOTE: This is equivalent to
+      //   captures = result.slice(1).map(maybeToString)
+      // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
+      // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
+      // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
+
+      for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
+
+      var namedCaptures = result.groups;
+
+      if (functionalReplace) {
+        var replacerArgs = [matched].concat(captures, position, S);
+        if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
+        var replacement = String(replaceValue.apply(undefined, replacerArgs));
+      } else {
+        replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
+      }
+
+      if (position >= nextSourcePosition) {
+        accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
+        nextSourcePosition = position + matched.length;
+      }
+    }
+
+    return accumulatedResult + S.slice(nextSourcePosition);
+  }]; // https://tc39.github.io/ecma262/#sec-getsubstitution
+
+  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
+    var tailPos = position + matched.length;
+    var m = captures.length;
+    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
+
+    if (namedCaptures !== undefined) {
+      namedCaptures = toObject(namedCaptures);
+      symbols = SUBSTITUTION_SYMBOLS;
+    }
+
+    return nativeReplace.call(replacement, symbols, function (match, ch) {
+      var capture;
+
+      switch (ch.charAt(0)) {
+        case '$':
+          return '$';
+
+        case '&':
+          return matched;
+
+        case '`':
+          return str.slice(0, position);
+
+        case "'":
+          return str.slice(tailPos);
+
+        case '<':
+          capture = namedCaptures[ch.slice(1, -1)];
+          break;
+
+        default:
+          // \d\d?
+          var n = +ch;
+          if (n === 0) return match;
+
+          if (n > m) {
+            var f = floor(n / 10);
+            if (f === 0) return match;
+            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
+            return match;
+          }
+
+          capture = captures[n - 1];
+      }
+
+      return capture === undefined ? '' : capture;
+    });
+  }
+});
+
+/***/ }),
+/* 200 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fixRegExpWellKnownSymbolLogic = __webpack_require__(184);
+
+var anObject = __webpack_require__(22);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var sameValue = __webpack_require__(104);
+
+var regExpExec = __webpack_require__(190); // @@search logic
+
+
+fixRegExpWellKnownSymbolLogic('search', 1, function (SEARCH, nativeSearch, maybeCallNative) {
+  return [// `String.prototype.search` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.search
+  function search(regexp) {
+    var O = requireObjectCoercible(this);
+    var searcher = regexp == undefined ? undefined : regexp[SEARCH];
+    return searcher !== undefined ? searcher.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
+  }, // `RegExp.prototype[@@search]` method
+  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
+  function (regexp) {
+    var res = maybeCallNative(nativeSearch, regexp, this);
+    if (res.done) return res.value;
+    var rx = anObject(regexp);
+    var S = String(this);
+    var previousLastIndex = rx.lastIndex;
+    if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
+    var result = regExpExec(rx, S);
+    if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
+    return result === null ? -1 : result.index;
+  }];
+});
+
+/***/ }),
+/* 201 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fixRegExpWellKnownSymbolLogic = __webpack_require__(184);
+
+var isRegExp = __webpack_require__(180);
+
+var anObject = __webpack_require__(22);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var speciesConstructor = __webpack_require__(192);
+
+var advanceStringIndex = __webpack_require__(189);
+
+var toLength = __webpack_require__(41);
+
+var callRegExpExec = __webpack_require__(190);
+
+var regexpExec = __webpack_require__(186);
+
+var fails = __webpack_require__(8);
+
+var arrayPush = [].push;
+var min = Math.min;
+var MAX_UINT32 = 0xFFFFFFFF; // babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
+
+var SUPPORTS_Y = !fails(function () {
+  return !RegExp(MAX_UINT32, 'y');
+}); // @@split logic
+
+fixRegExpWellKnownSymbolLogic('split', 2, function (SPLIT, nativeSplit, maybeCallNative) {
+  var internalSplit;
+
+  if ('abbc'.split(/(b)*/)[1] == 'c' || 'test'.split(/(?:)/, -1).length != 4 || 'ab'.split(/(?:ab)*/).length != 2 || '.'.split(/(.?)(.?)/).length != 4 || '.'.split(/()()/).length > 1 || ''.split(/.?/).length) {
+    // based on es5-shim implementation, need to rework it
+    internalSplit = function internalSplit(separator, limit) {
+      var string = String(requireObjectCoercible(this));
+      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
+      if (lim === 0) return [];
+      if (separator === undefined) return [string]; // If `separator` is not a regex, use native split
+
+      if (!isRegExp(separator)) {
+        return nativeSplit.call(string, separator, lim);
+      }
+
+      var output = [];
+      var flags = (separator.ignoreCase ? 'i' : '') + (separator.multiline ? 'm' : '') + (separator.unicode ? 'u' : '') + (separator.sticky ? 'y' : '');
+      var lastLastIndex = 0; // Make `global` and avoid `lastIndex` issues by working with a copy
+
+      var separatorCopy = new RegExp(separator.source, flags + 'g');
+      var match, lastIndex, lastLength;
+
+      while (match = regexpExec.call(separatorCopy, string)) {
+        lastIndex = separatorCopy.lastIndex;
+
+        if (lastIndex > lastLastIndex) {
+          output.push(string.slice(lastLastIndex, match.index));
+          if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
+          lastLength = match[0].length;
+          lastLastIndex = lastIndex;
+          if (output.length >= lim) break;
+        }
+
+        if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
+      }
+
+      if (lastLastIndex === string.length) {
+        if (lastLength || !separatorCopy.test('')) output.push('');
+      } else output.push(string.slice(lastLastIndex));
+
+      return output.length > lim ? output.slice(0, lim) : output;
+    }; // Chakra, V8
+
+  } else if ('0'.split(undefined, 0).length) {
+    internalSplit = function internalSplit(separator, limit) {
+      return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
+    };
+  } else internalSplit = nativeSplit;
+
+  return [// `String.prototype.split` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.split
+  function split(separator, limit) {
+    var O = requireObjectCoercible(this);
+    var splitter = separator == undefined ? undefined : separator[SPLIT];
+    return splitter !== undefined ? splitter.call(separator, O, limit) : internalSplit.call(String(O), separator, limit);
+  }, // `RegExp.prototype[@@split]` method
+  // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
+  //
+  // NOTE: This cannot be properly polyfilled in engines that don't support
+  // the 'y' flag.
+  function (regexp, limit) {
+    var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
+    if (res.done) return res.value;
+    var rx = anObject(regexp);
+    var S = String(this);
+    var C = speciesConstructor(rx, RegExp);
+    var unicodeMatching = rx.unicode;
+    var flags = (rx.ignoreCase ? 'i' : '') + (rx.multiline ? 'm' : '') + (rx.unicode ? 'u' : '') + (SUPPORTS_Y ? 'y' : 'g'); // ^(? + rx + ) is needed, in combination with some S slicing, to
+    // simulate the 'y' flag.
+
+    var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
+    var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
+    if (lim === 0) return [];
+    if (S.length === 0) return callRegExpExec(splitter, S) === null ? [S] : [];
+    var p = 0;
+    var q = 0;
+    var A = [];
+
+    while (q < S.length) {
+      splitter.lastIndex = SUPPORTS_Y ? q : 0;
+      var z = callRegExpExec(splitter, SUPPORTS_Y ? S : S.slice(q));
+      var e;
+
+      if (z === null || (e = min(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p) {
+        q = advanceStringIndex(S, q, unicodeMatching);
+      } else {
+        A.push(S.slice(p, q));
+        if (A.length === lim) return A;
+
+        for (var i = 1; i <= z.length - 1; i++) {
+          A.push(z[i]);
+          if (A.length === lim) return A;
+        }
+
+        q = p = e;
+      }
+    }
+
+    A.push(S.slice(p));
+    return A;
+  }];
+}, !SUPPORTS_Y);
+
+/***/ }),
+/* 202 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var toLength = __webpack_require__(41);
+
+var notARegExp = __webpack_require__(179);
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var correctIsRegExpLogic = __webpack_require__(181);
+
+var IS_PURE = __webpack_require__(31);
+
+var nativeStartsWith = ''.startsWith;
+var min = Math.min;
+var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith'); // https://github.com/zloirock/core-js/pull/702
+
+var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
+  var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
+  return descriptor && !descriptor.writable;
+}(); // `String.prototype.startsWith` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.startswith
+
+$({
+  target: 'String',
+  proto: true,
+  forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC
+}, {
+  startsWith: function startsWith(searchString
+  /* , position = 0 */
+  ) {
+    var that = String(requireObjectCoercible(this));
+    notARegExp(searchString);
+    var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+    var search = String(searchString);
+    return nativeStartsWith ? nativeStartsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
+  }
+});
+
+/***/ }),
+/* 203 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $trim = __webpack_require__(204).trim;
+
+var forcedStringTrimMethod = __webpack_require__(206); // `String.prototype.trim` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.trim
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringTrimMethod('trim')
+}, {
+  trim: function trim() {
+    return $trim(this);
+  }
+});
+
+/***/ }),
+/* 204 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var whitespaces = __webpack_require__(205);
+
+var whitespace = '[' + whitespaces + ']';
+var ltrim = RegExp('^' + whitespace + whitespace + '*');
+var rtrim = RegExp(whitespace + whitespace + '*$'); // `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
+
+var createMethod = function createMethod(TYPE) {
+  return function ($this) {
+    var string = String(requireObjectCoercible($this));
+    if (TYPE & 1) string = string.replace(ltrim, '');
+    if (TYPE & 2) string = string.replace(rtrim, '');
+    return string;
+  };
+};
+
+module.exports = {
+  // `String.prototype.{ trimLeft, trimStart }` methods
+  // https://tc39.github.io/ecma262/#sec-string.prototype.trimstart
+  start: createMethod(1),
+  // `String.prototype.{ trimRight, trimEnd }` methods
+  // https://tc39.github.io/ecma262/#sec-string.prototype.trimend
+  end: createMethod(2),
+  // `String.prototype.trim` method
+  // https://tc39.github.io/ecma262/#sec-string.prototype.trim
+  trim: createMethod(3)
+};
+
+/***/ }),
+/* 205 */
+/***/ (function(module, exports) {
+
+// a string of all valid unicode whitespaces
+// eslint-disable-next-line max-len
+module.exports = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
+
+/***/ }),
+/* 206 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+var whitespaces = __webpack_require__(205);
+
+var non = '\u200B\u0085\u180E'; // check that a method works with the correct list
+// of whitespaces and has a correct name
+
+module.exports = function (METHOD_NAME) {
+  return fails(function () {
+    return !!whitespaces[METHOD_NAME]() || non[METHOD_NAME]() != non || whitespaces[METHOD_NAME].name !== METHOD_NAME;
+  });
+};
+
+/***/ }),
+/* 207 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $trimStart = __webpack_require__(204).start;
+
+var forcedStringTrimMethod = __webpack_require__(206);
+
+var FORCED = forcedStringTrimMethod('trimStart');
+var trimStart = FORCED ? function trimStart() {
+  return $trimStart(this);
+} : ''.trimStart; // `String.prototype.{ trimStart, trimLeft }` methods
+// https://github.com/tc39/ecmascript-string-left-right-trim
+
+$({
+  target: 'String',
+  proto: true,
+  forced: FORCED
+}, {
+  trimStart: trimStart,
+  trimLeft: trimStart
+});
+
+/***/ }),
+/* 208 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var $trimEnd = __webpack_require__(204).end;
+
+var forcedStringTrimMethod = __webpack_require__(206);
+
+var FORCED = forcedStringTrimMethod('trimEnd');
+var trimEnd = FORCED ? function trimEnd() {
+  return $trimEnd(this);
+} : ''.trimEnd; // `String.prototype.{ trimEnd, trimRight }` methods
+// https://github.com/tc39/ecmascript-string-left-right-trim
+
+$({
+  target: 'String',
+  proto: true,
+  forced: FORCED
+}, {
+  trimEnd: trimEnd,
+  trimRight: trimEnd
+});
+
+/***/ }),
+/* 209 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var charAt = __webpack_require__(177).charAt;
+
+var InternalStateModule = __webpack_require__(27);
+
+var defineIterator = __webpack_require__(171);
+
+var STRING_ITERATOR = 'String Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR); // `String.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
+
+defineIterator(String, 'String', function (iterated) {
+  setInternalState(this, {
+    type: STRING_ITERATOR,
+    string: String(iterated),
+    index: 0
+  }); // `%StringIteratorPrototype%.next` method
+  // https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
+}, function next() {
+  var state = getInternalState(this);
+  var string = state.string;
+  var index = state.index;
+  var point;
+  if (index >= string.length) return {
+    value: undefined,
+    done: true
+  };
+  point = charAt(string, index);
+  state.index += point.length;
+  return {
+    value: point,
+    done: false
+  };
+});
+
+/***/ }),
+/* 210 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.anchor` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.anchor
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('anchor')
+}, {
+  anchor: function anchor(name) {
+    return createHTML(this, 'a', 'name', name);
+  }
+});
+
+/***/ }),
+/* 211 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var requireObjectCoercible = __webpack_require__(14);
+
+var quot = /"/g; // B.2.3.2.1 CreateHTML(string, tag, attribute, value)
+// https://tc39.github.io/ecma262/#sec-createhtml
+
+module.exports = function (string, tag, attribute, value) {
+  var S = String(requireObjectCoercible(string));
+  var p1 = '<' + tag;
+  if (attribute !== '') p1 += ' ' + attribute + '="' + String(value).replace(quot, '&quot;') + '"';
+  return p1 + '>' + S + '</' + tag + '>';
+};
+
+/***/ }),
+/* 212 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8); // check the existence of a method, lowercase
+// of a tag and escaping quotes in arguments
+
+
+module.exports = function (METHOD_NAME) {
+  return fails(function () {
+    var test = ''[METHOD_NAME]('"');
+    return test !== test.toLowerCase() || test.split('"').length > 3;
+  });
+};
+
+/***/ }),
+/* 213 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.big` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.big
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('big')
+}, {
+  big: function big() {
+    return createHTML(this, 'big', '', '');
+  }
+});
+
+/***/ }),
+/* 214 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.blink` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.blink
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('blink')
+}, {
+  blink: function blink() {
+    return createHTML(this, 'blink', '', '');
+  }
+});
+
+/***/ }),
+/* 215 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.bold` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.bold
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('bold')
+}, {
+  bold: function bold() {
+    return createHTML(this, 'b', '', '');
+  }
+});
+
+/***/ }),
+/* 216 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.fixed` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fixed
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('fixed')
+}, {
+  fixed: function fixed() {
+    return createHTML(this, 'tt', '', '');
+  }
+});
+
+/***/ }),
+/* 217 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.fontcolor` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fontcolor
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('fontcolor')
+}, {
+  fontcolor: function fontcolor(color) {
+    return createHTML(this, 'font', 'color', color);
+  }
+});
+
+/***/ }),
+/* 218 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.fontsize` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.fontsize
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('fontsize')
+}, {
+  fontsize: function fontsize(size) {
+    return createHTML(this, 'font', 'size', size);
+  }
+});
+
+/***/ }),
+/* 219 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.italics` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.italics
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('italics')
+}, {
+  italics: function italics() {
+    return createHTML(this, 'i', '', '');
+  }
+});
+
+/***/ }),
+/* 220 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.link` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.link
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('link')
+}, {
+  link: function link(url) {
+    return createHTML(this, 'a', 'href', url);
+  }
+});
+
+/***/ }),
+/* 221 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.small` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.small
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('small')
+}, {
+  small: function small() {
+    return createHTML(this, 'small', '', '');
+  }
+});
+
+/***/ }),
+/* 222 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.strike` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.strike
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('strike')
+}, {
+  strike: function strike() {
+    return createHTML(this, 'strike', '', '');
+  }
+});
+
+/***/ }),
+/* 223 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.sub` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.sub
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('sub')
+}, {
+  sub: function sub() {
+    return createHTML(this, 'sub', '', '');
+  }
+});
+
+/***/ }),
+/* 224 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var createHTML = __webpack_require__(211);
+
+var forcedStringHTMLMethod = __webpack_require__(212); // `String.prototype.sup` method
+// https://tc39.github.io/ecma262/#sec-string.prototype.sup
+
+
+$({
+  target: 'String',
+  proto: true,
+  forced: forcedStringHTMLMethod('sup')
+}, {
+  sup: function sup() {
+    return createHTML(this, 'sup', '', '');
+  }
+});
+
+/***/ }),
+/* 225 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var global = __webpack_require__(5);
+
+var isForced = __webpack_require__(46);
+
+var inheritIfRequired = __webpack_require__(226);
+
+var defineProperty = __webpack_require__(21).f;
+
+var getOwnPropertyNames = __webpack_require__(38).f;
+
+var isRegExp = __webpack_require__(180);
+
+var getFlags = __webpack_require__(187);
+
+var stickyHelpers = __webpack_require__(188);
+
+var redefine = __webpack_require__(23);
+
+var fails = __webpack_require__(8);
+
+var setInternalState = __webpack_require__(27).set;
+
+var setSpecies = __webpack_require__(167);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var MATCH = wellKnownSymbol('match');
+var NativeRegExp = global.RegExp;
+var RegExpPrototype = NativeRegExp.prototype;
+var re1 = /a/g;
+var re2 = /a/g; // "new" should create a new object, old webkit bug
+
+var CORRECT_NEW = new NativeRegExp(re1) !== re1;
+var UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;
+var FORCED = DESCRIPTORS && isForced('RegExp', !CORRECT_NEW || UNSUPPORTED_Y || fails(function () {
+  re2[MATCH] = false; // RegExp constructor can alter flags and IsRegExp works correct with @@match
+
+  return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';
+})); // `RegExp` constructor
+// https://tc39.github.io/ecma262/#sec-regexp-constructor
+
+if (FORCED) {
+  var RegExpWrapper = function RegExp(pattern, flags) {
+    var thisIsRegExp = this instanceof RegExpWrapper;
+    var patternIsRegExp = isRegExp(pattern);
+    var flagsAreUndefined = flags === undefined;
+    var sticky;
+
+    if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {
+      return pattern;
+    }
+
+    if (CORRECT_NEW) {
+      if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;
+    } else if (pattern instanceof RegExpWrapper) {
+      if (flagsAreUndefined) flags = getFlags.call(pattern);
+      pattern = pattern.source;
+    }
+
+    if (UNSUPPORTED_Y) {
+      sticky = !!flags && flags.indexOf('y') > -1;
+      if (sticky) flags = flags.replace(/y/g, '');
+    }
+
+    var result = inheritIfRequired(CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags), thisIsRegExp ? this : RegExpPrototype, RegExpWrapper);
+    if (UNSUPPORTED_Y && sticky) setInternalState(result, {
+      sticky: sticky
+    });
+    return result;
+  };
+
+  var proxy = function proxy(key) {
+    key in RegExpWrapper || defineProperty(RegExpWrapper, key, {
+      configurable: true,
+      get: function get() {
+        return NativeRegExp[key];
+      },
+      set: function set(it) {
+        NativeRegExp[key] = it;
+      }
+    });
+  };
+
+  var keys = getOwnPropertyNames(NativeRegExp);
+  var index = 0;
+
+  while (keys.length > index) proxy(keys[index++]);
+
+  RegExpPrototype.constructor = RegExpWrapper;
+  RegExpWrapper.prototype = RegExpPrototype;
+  redefine(global, 'RegExp', RegExpWrapper);
+} // https://tc39.github.io/ecma262/#sec-get-regexp-@@species
+
+
+setSpecies('RegExp');
+
+/***/ }),
+/* 226 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+var setPrototypeOf = __webpack_require__(112); // makes subclassing work correct for wrapped built-ins
+
+
+module.exports = function ($this, dummy, Wrapper) {
+  var NewTarget, NewTargetPrototype;
+  if ( // it can work only with native `setPrototypeOf`
+  setPrototypeOf && // we haven't completely correct pre-ES6 way for getting `new.target`, so use this
+  typeof (NewTarget = dummy.constructor) == 'function' && NewTarget !== Wrapper && isObject(NewTargetPrototype = NewTarget.prototype) && NewTargetPrototype !== Wrapper.prototype) setPrototypeOf($this, NewTargetPrototype);
+  return $this;
+};
+
+/***/ }),
+/* 227 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var objectDefinePropertyModule = __webpack_require__(21);
+
+var regExpFlags = __webpack_require__(187);
+
+var UNSUPPORTED_Y = __webpack_require__(188).UNSUPPORTED_Y; // `RegExp.prototype.flags` getter
+// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
+
+
+if (DESCRIPTORS && (/./g.flags != 'g' || UNSUPPORTED_Y)) {
+  objectDefinePropertyModule.f(RegExp.prototype, 'flags', {
+    configurable: true,
+    get: regExpFlags
+  });
+}
+
+/***/ }),
+/* 228 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var UNSUPPORTED_Y = __webpack_require__(188).UNSUPPORTED_Y;
+
+var defineProperty = __webpack_require__(21).f;
+
+var getInternalState = __webpack_require__(27).get;
+
+var RegExpPrototype = RegExp.prototype; // `RegExp.prototype.sticky` getter
+
+if (DESCRIPTORS && UNSUPPORTED_Y) {
+  defineProperty(RegExp.prototype, 'sticky', {
+    configurable: true,
+    get: function get() {
+      if (this === RegExpPrototype) return undefined; // We can't use InternalStateModule.getterFor because
+      // we don't add metadata for regexps created by a literal.
+
+      if (this instanceof RegExp) {
+        return !!getInternalState(this).sticky;
+      }
+
+      throw TypeError('Incompatible receiver, RegExp required');
+    }
+  });
+}
+
+/***/ }),
+/* 229 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // TODO: Remove from `core-js@4` since it's moved to entry points
+
+__webpack_require__(185);
+
+var $ = __webpack_require__(4);
+
+var isObject = __webpack_require__(16);
+
+var DELEGATES_TO_EXEC = function () {
+  var execCalled = false;
+  var re = /[ac]/;
+
+  re.exec = function () {
+    execCalled = true;
+    return /./.exec.apply(this, arguments);
+  };
+
+  return re.test('abc') === true && execCalled;
+}();
+
+var nativeTest = /./.test;
+$({
+  target: 'RegExp',
+  proto: true,
+  forced: !DELEGATES_TO_EXEC
+}, {
+  test: function test(str) {
+    if (typeof this.exec !== 'function') {
+      return nativeTest.call(this, str);
+    }
+
+    var result = this.exec(str);
+
+    if (result !== null && !isObject(result)) {
+      throw new Error('RegExp exec method returned something other than an Object or null');
+    }
+
+    return !!result;
+  }
+});
+
+/***/ }),
+/* 230 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var redefine = __webpack_require__(23);
+
+var anObject = __webpack_require__(22);
+
+var fails = __webpack_require__(8);
+
+var flags = __webpack_require__(187);
+
+var TO_STRING = 'toString';
+var RegExpPrototype = RegExp.prototype;
+var nativeToString = RegExpPrototype[TO_STRING];
+var NOT_GENERIC = fails(function () {
+  return nativeToString.call({
+    source: 'a',
+    flags: 'b'
+  }) != '/a/b';
+}); // FF44- RegExp#toString has a wrong name
+
+var INCORRECT_NAME = nativeToString.name != TO_STRING; // `RegExp.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring
+
+if (NOT_GENERIC || INCORRECT_NAME) {
+  redefine(RegExp.prototype, TO_STRING, function toString() {
+    var R = anObject(this);
+    var p = String(R.source);
+    var rf = R.flags;
+    var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? flags.call(R) : rf);
+    return '/' + p + '/' + f;
+  }, {
+    unsafe: true
+  });
+}
+
+/***/ }),
+/* 231 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var parseIntImplementation = __webpack_require__(232); // `parseInt` method
+// https://tc39.github.io/ecma262/#sec-parseint-string-radix
+
+
+$({
+  global: true,
+  forced: parseInt != parseIntImplementation
+}, {
+  parseInt: parseIntImplementation
+});
+
+/***/ }),
+/* 232 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var trim = __webpack_require__(204).trim;
+
+var whitespaces = __webpack_require__(205);
+
+var $parseInt = global.parseInt;
+var hex = /^[+-]?0[Xx]/;
+var FORCED = $parseInt(whitespaces + '08') !== 8 || $parseInt(whitespaces + '0x16') !== 22; // `parseInt` method
+// https://tc39.github.io/ecma262/#sec-parseint-string-radix
+
+module.exports = FORCED ? function parseInt(string, radix) {
+  var S = trim(String(string));
+  return $parseInt(S, radix >>> 0 || (hex.test(S) ? 16 : 10));
+} : $parseInt;
+
+/***/ }),
+/* 233 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var parseFloatImplementation = __webpack_require__(234); // `parseFloat` method
+// https://tc39.github.io/ecma262/#sec-parsefloat-string
+
+
+$({
+  global: true,
+  forced: parseFloat != parseFloatImplementation
+}, {
+  parseFloat: parseFloatImplementation
+});
+
+/***/ }),
+/* 234 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var trim = __webpack_require__(204).trim;
+
+var whitespaces = __webpack_require__(205);
+
+var $parseFloat = global.parseFloat;
+var FORCED = 1 / $parseFloat(whitespaces + '-0') !== -Infinity; // `parseFloat` method
+// https://tc39.github.io/ecma262/#sec-parsefloat-string
+
+module.exports = FORCED ? function parseFloat(string) {
+  var trimmedString = trim(String(string));
+  var result = $parseFloat(trimmedString);
+  return result === 0 && trimmedString.charAt(0) == '-' ? -0 : result;
+} : $parseFloat;
+
+/***/ }),
+/* 235 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var global = __webpack_require__(5);
+
+var isForced = __webpack_require__(46);
+
+var redefine = __webpack_require__(23);
+
+var has = __webpack_require__(17);
+
+var classof = __webpack_require__(13);
+
+var inheritIfRequired = __webpack_require__(226);
+
+var toPrimitive = __webpack_require__(15);
+
+var fails = __webpack_require__(8);
+
+var create = __webpack_require__(51);
+
+var getOwnPropertyNames = __webpack_require__(38).f;
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var defineProperty = __webpack_require__(21).f;
+
+var trim = __webpack_require__(204).trim;
+
+var NUMBER = 'Number';
+var NativeNumber = global[NUMBER];
+var NumberPrototype = NativeNumber.prototype; // Opera ~12 has broken Object#toString
+
+var BROKEN_CLASSOF = classof(create(NumberPrototype)) == NUMBER; // `ToNumber` abstract operation
+// https://tc39.github.io/ecma262/#sec-tonumber
+
+var toNumber = function toNumber(argument) {
+  var it = toPrimitive(argument, false);
+  var first, third, radix, maxCode, digits, length, index, code;
+
+  if (typeof it == 'string' && it.length > 2) {
+    it = trim(it);
+    first = it.charCodeAt(0);
+
+    if (first === 43 || first === 45) {
+      third = it.charCodeAt(2);
+      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
+    } else if (first === 48) {
+      switch (it.charCodeAt(1)) {
+        case 66:
+        case 98:
+          radix = 2;
+          maxCode = 49;
+          break;
+        // fast equal of /^0b[01]+$/i
+
+        case 79:
+        case 111:
+          radix = 8;
+          maxCode = 55;
+          break;
+        // fast equal of /^0o[0-7]+$/i
+
+        default:
+          return +it;
+      }
+
+      digits = it.slice(2);
+      length = digits.length;
+
+      for (index = 0; index < length; index++) {
+        code = digits.charCodeAt(index); // parseInt parses a string to a first unavailable symbol
+        // but ToNumber should return NaN if a string contains unavailable symbols
+
+        if (code < 48 || code > maxCode) return NaN;
+      }
+
+      return parseInt(digits, radix);
+    }
+  }
+
+  return +it;
+}; // `Number` constructor
+// https://tc39.github.io/ecma262/#sec-number-constructor
+
+
+if (isForced(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
+  var NumberWrapper = function Number(value) {
+    var it = arguments.length < 1 ? 0 : value;
+    var dummy = this;
+    return dummy instanceof NumberWrapper // check on 1..constructor(foo) case
+    && (BROKEN_CLASSOF ? fails(function () {
+      NumberPrototype.valueOf.call(dummy);
+    }) : classof(dummy) != NUMBER) ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
+  };
+
+  for (var keys = DESCRIPTORS ? getOwnPropertyNames(NativeNumber) : ( // ES3:
+  'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' + // ES2015 (in case, if modules with ES2015 Number statics required before):
+  'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' + 'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger').split(','), j = 0, key; keys.length > j; j++) {
+    if (has(NativeNumber, key = keys[j]) && !has(NumberWrapper, key)) {
+      defineProperty(NumberWrapper, key, getOwnPropertyDescriptor(NativeNumber, key));
+    }
+  }
+
+  NumberWrapper.prototype = NumberPrototype;
+  NumberPrototype.constructor = NumberWrapper;
+  redefine(global, NUMBER, NumberWrapper);
+}
+
+/***/ }),
+/* 236 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Number.EPSILON` constant
+// https://tc39.github.io/ecma262/#sec-number.epsilon
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  EPSILON: Math.pow(2, -52)
+});
+
+/***/ }),
+/* 237 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var numberIsFinite = __webpack_require__(238); // `Number.isFinite` method
+// https://tc39.github.io/ecma262/#sec-number.isfinite
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  isFinite: numberIsFinite
+});
+
+/***/ }),
+/* 238 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var globalIsFinite = global.isFinite; // `Number.isFinite` method
+// https://tc39.github.io/ecma262/#sec-number.isfinite
+
+module.exports = Number.isFinite || function isFinite(it) {
+  return typeof it == 'number' && globalIsFinite(it);
+};
+
+/***/ }),
+/* 239 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isInteger = __webpack_require__(240); // `Number.isInteger` method
+// https://tc39.github.io/ecma262/#sec-number.isinteger
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  isInteger: isInteger
+});
+
+/***/ }),
+/* 240 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var isObject = __webpack_require__(16);
+
+var floor = Math.floor; // `Number.isInteger` method implementation
+// https://tc39.github.io/ecma262/#sec-number.isinteger
+
+module.exports = function isInteger(it) {
+  return !isObject(it) && isFinite(it) && floor(it) === it;
+};
+
+/***/ }),
+/* 241 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Number.isNaN` method
+// https://tc39.github.io/ecma262/#sec-number.isnan
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  isNaN: function isNaN(number) {
+    // eslint-disable-next-line no-self-compare
+    return number != number;
+  }
+});
+
+/***/ }),
+/* 242 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isInteger = __webpack_require__(240);
+
+var abs = Math.abs; // `Number.isSafeInteger` method
+// https://tc39.github.io/ecma262/#sec-number.issafeinteger
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  isSafeInteger: function isSafeInteger(number) {
+    return isInteger(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
+  }
+});
+
+/***/ }),
+/* 243 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Number.MAX_SAFE_INTEGER` constant
+// https://tc39.github.io/ecma262/#sec-number.max_safe_integer
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  MAX_SAFE_INTEGER: 0x1FFFFFFFFFFFFF
+});
+
+/***/ }),
+/* 244 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Number.MIN_SAFE_INTEGER` constant
+// https://tc39.github.io/ecma262/#sec-number.min_safe_integer
+
+
+$({
+  target: 'Number',
+  stat: true
+}, {
+  MIN_SAFE_INTEGER: -0x1FFFFFFFFFFFFF
+});
+
+/***/ }),
+/* 245 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var parseFloat = __webpack_require__(234); // `Number.parseFloat` method
+// https://tc39.github.io/ecma262/#sec-number.parseFloat
+
+
+$({
+  target: 'Number',
+  stat: true,
+  forced: Number.parseFloat != parseFloat
+}, {
+  parseFloat: parseFloat
+});
+
+/***/ }),
+/* 246 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var parseInt = __webpack_require__(232); // `Number.parseInt` method
+// https://tc39.github.io/ecma262/#sec-number.parseint
+
+
+$({
+  target: 'Number',
+  stat: true,
+  forced: Number.parseInt != parseInt
+}, {
+  parseInt: parseInt
+});
+
+/***/ }),
+/* 247 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var toInteger = __webpack_require__(42);
+
+var thisNumberValue = __webpack_require__(248);
+
+var repeat = __webpack_require__(195);
+
+var fails = __webpack_require__(8);
+
+var nativeToFixed = 1.0.toFixed;
+var floor = Math.floor;
+
+var pow = function pow(x, n, acc) {
+  return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
+};
+
+var log = function log(x) {
+  var n = 0;
+  var x2 = x;
+
+  while (x2 >= 4096) {
+    n += 12;
+    x2 /= 4096;
+  }
+
+  while (x2 >= 2) {
+    n += 1;
+    x2 /= 2;
+  }
+
+  return n;
+};
+
+var FORCED = nativeToFixed && (0.00008.toFixed(3) !== '0.000' || 0.9.toFixed(0) !== '1' || 1.255.toFixed(2) !== '1.25' || 1000000000000000128.0.toFixed(0) !== '1000000000000000128') || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToFixed.call({});
+}); // `Number.prototype.toFixed` method
+// https://tc39.github.io/ecma262/#sec-number.prototype.tofixed
+
+$({
+  target: 'Number',
+  proto: true,
+  forced: FORCED
+}, {
+  // eslint-disable-next-line max-statements
+  toFixed: function toFixed(fractionDigits) {
+    var number = thisNumberValue(this);
+    var fractDigits = toInteger(fractionDigits);
+    var data = [0, 0, 0, 0, 0, 0];
+    var sign = '';
+    var result = '0';
+    var e, z, j, k;
+
+    var multiply = function multiply(n, c) {
+      var index = -1;
+      var c2 = c;
+
+      while (++index < 6) {
+        c2 += n * data[index];
+        data[index] = c2 % 1e7;
+        c2 = floor(c2 / 1e7);
+      }
+    };
+
+    var divide = function divide(n) {
+      var index = 6;
+      var c = 0;
+
+      while (--index >= 0) {
+        c += data[index];
+        data[index] = floor(c / n);
+        c = c % n * 1e7;
+      }
+    };
+
+    var dataToString = function dataToString() {
+      var index = 6;
+      var s = '';
+
+      while (--index >= 0) {
+        if (s !== '' || index === 0 || data[index] !== 0) {
+          var t = String(data[index]);
+          s = s === '' ? t : s + repeat.call('0', 7 - t.length) + t;
+        }
+      }
+
+      return s;
+    };
+
+    if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits'); // eslint-disable-next-line no-self-compare
+
+    if (number != number) return 'NaN';
+    if (number <= -1e21 || number >= 1e21) return String(number);
+
+    if (number < 0) {
+      sign = '-';
+      number = -number;
+    }
+
+    if (number > 1e-21) {
+      e = log(number * pow(2, 69, 1)) - 69;
+      z = e < 0 ? number * pow(2, -e, 1) : number / pow(2, e, 1);
+      z *= 0x10000000000000;
+      e = 52 - e;
+
+      if (e > 0) {
+        multiply(0, z);
+        j = fractDigits;
+
+        while (j >= 7) {
+          multiply(1e7, 0);
+          j -= 7;
+        }
+
+        multiply(pow(10, j, 1), 0);
+        j = e - 1;
+
+        while (j >= 23) {
+          divide(1 << 23);
+          j -= 23;
+        }
+
+        divide(1 << j);
+        multiply(1, 1);
+        divide(2);
+        result = dataToString();
+      } else {
+        multiply(0, z);
+        multiply(1 << -e, 0);
+        result = dataToString() + repeat.call('0', fractDigits);
+      }
+    }
+
+    if (fractDigits > 0) {
+      k = result.length;
+      result = sign + (k <= fractDigits ? '0.' + repeat.call('0', fractDigits - k) + result : result.slice(0, k - fractDigits) + '.' + result.slice(k - fractDigits));
+    } else {
+      result = sign + result;
+    }
+
+    return result;
+  }
+});
+
+/***/ }),
+/* 248 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var classof = __webpack_require__(13); // `thisNumberValue` abstract operation
+// https://tc39.github.io/ecma262/#sec-thisnumbervalue
+
+
+module.exports = function (value) {
+  if (typeof value != 'number' && classof(value) != 'Number') {
+    throw TypeError('Incorrect invocation');
+  }
+
+  return +value;
+};
+
+/***/ }),
+/* 249 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var thisNumberValue = __webpack_require__(248);
+
+var nativeToPrecision = 1.0.toPrecision;
+var FORCED = fails(function () {
+  // IE7-
+  return nativeToPrecision.call(1, undefined) !== '1';
+}) || !fails(function () {
+  // V8 ~ Android 4.3-
+  nativeToPrecision.call({});
+}); // `Number.prototype.toPrecision` method
+// https://tc39.github.io/ecma262/#sec-number.prototype.toprecision
+
+$({
+  target: 'Number',
+  proto: true,
+  forced: FORCED
+}, {
+  toPrecision: function toPrecision(precision) {
+    return precision === undefined ? nativeToPrecision.call(thisNumberValue(this)) : nativeToPrecision.call(thisNumberValue(this), precision);
+  }
+});
+
+/***/ }),
+/* 250 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var log1p = __webpack_require__(251);
+
+var nativeAcosh = Math.acosh;
+var log = Math.log;
+var sqrt = Math.sqrt;
+var LN2 = Math.LN2;
+var FORCED = !nativeAcosh // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
+|| Math.floor(nativeAcosh(Number.MAX_VALUE)) != 710 // Tor Browser bug: Math.acosh(Infinity) -> NaN
+|| nativeAcosh(Infinity) != Infinity; // `Math.acosh` method
+// https://tc39.github.io/ecma262/#sec-math.acosh
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: FORCED
+}, {
+  acosh: function acosh(x) {
+    return (x = +x) < 1 ? NaN : x > 94906265.62425156 ? log(x) + LN2 : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
+  }
+});
+
+/***/ }),
+/* 251 */
+/***/ (function(module, exports) {
+
+var log = Math.log; // `Math.log1p` method implementation
+// https://tc39.github.io/ecma262/#sec-math.log1p
+
+module.exports = Math.log1p || function log1p(x) {
+  return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : log(1 + x);
+};
+
+/***/ }),
+/* 252 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var nativeAsinh = Math.asinh;
+var log = Math.log;
+var sqrt = Math.sqrt;
+
+function asinh(x) {
+  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
+} // `Math.asinh` method
+// https://tc39.github.io/ecma262/#sec-math.asinh
+// Tor Browser bug: Math.asinh(0) -> -0
+
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: !(nativeAsinh && 1 / nativeAsinh(0) > 0)
+}, {
+  asinh: asinh
+});
+
+/***/ }),
+/* 253 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var nativeAtanh = Math.atanh;
+var log = Math.log; // `Math.atanh` method
+// https://tc39.github.io/ecma262/#sec-math.atanh
+// Tor Browser bug: Math.atanh(-0) -> 0
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: !(nativeAtanh && 1 / nativeAtanh(-0) < 0)
+}, {
+  atanh: function atanh(x) {
+    return (x = +x) == 0 ? x : log((1 + x) / (1 - x)) / 2;
+  }
+});
+
+/***/ }),
+/* 254 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var sign = __webpack_require__(255);
+
+var abs = Math.abs;
+var pow = Math.pow; // `Math.cbrt` method
+// https://tc39.github.io/ecma262/#sec-math.cbrt
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  cbrt: function cbrt(x) {
+    return sign(x = +x) * pow(abs(x), 1 / 3);
+  }
+});
+
+/***/ }),
+/* 255 */
+/***/ (function(module, exports) {
+
+// `Math.sign` method implementation
+// https://tc39.github.io/ecma262/#sec-math.sign
+module.exports = Math.sign || function sign(x) {
+  // eslint-disable-next-line no-self-compare
+  return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
+};
+
+/***/ }),
+/* 256 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var floor = Math.floor;
+var log = Math.log;
+var LOG2E = Math.LOG2E; // `Math.clz32` method
+// https://tc39.github.io/ecma262/#sec-math.clz32
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  clz32: function clz32(x) {
+    return (x >>>= 0) ? 31 - floor(log(x + 0.5) * LOG2E) : 32;
+  }
+});
+
+/***/ }),
+/* 257 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var expm1 = __webpack_require__(258);
+
+var nativeCosh = Math.cosh;
+var abs = Math.abs;
+var E = Math.E; // `Math.cosh` method
+// https://tc39.github.io/ecma262/#sec-math.cosh
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: !nativeCosh || nativeCosh(710) === Infinity
+}, {
+  cosh: function cosh(x) {
+    var t = expm1(abs(x) - 1) + 1;
+    return (t + 1 / (t * E * E)) * (E / 2);
+  }
+});
+
+/***/ }),
+/* 258 */
+/***/ (function(module, exports) {
+
+var nativeExpm1 = Math.expm1;
+var exp = Math.exp; // `Math.expm1` method implementation
+// https://tc39.github.io/ecma262/#sec-math.expm1
+
+module.exports = !nativeExpm1 // Old FF bug
+|| nativeExpm1(10) > 22025.465794806719 || nativeExpm1(10) < 22025.4657948067165168 // Tor Browser bug
+|| nativeExpm1(-2e-17) != -2e-17 ? function expm1(x) {
+  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;
+} : nativeExpm1;
+
+/***/ }),
+/* 259 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var expm1 = __webpack_require__(258); // `Math.expm1` method
+// https://tc39.github.io/ecma262/#sec-math.expm1
+
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: expm1 != Math.expm1
+}, {
+  expm1: expm1
+});
+
+/***/ }),
+/* 260 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fround = __webpack_require__(261); // `Math.fround` method
+// https://tc39.github.io/ecma262/#sec-math.fround
+
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  fround: fround
+});
+
+/***/ }),
+/* 261 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var sign = __webpack_require__(255);
+
+var abs = Math.abs;
+var pow = Math.pow;
+var EPSILON = pow(2, -52);
+var EPSILON32 = pow(2, -23);
+var MAX32 = pow(2, 127) * (2 - EPSILON32);
+var MIN32 = pow(2, -126);
+
+var roundTiesToEven = function roundTiesToEven(n) {
+  return n + 1 / EPSILON - 1 / EPSILON;
+}; // `Math.fround` method implementation
+// https://tc39.github.io/ecma262/#sec-math.fround
+
+
+module.exports = Math.fround || function fround(x) {
+  var $abs = abs(x);
+  var $sign = sign(x);
+  var a, result;
+  if ($abs < MIN32) return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;
+  a = (1 + EPSILON32 / EPSILON) * $abs;
+  result = a - (a - $abs); // eslint-disable-next-line no-self-compare
+
+  if (result > MAX32 || result != result) return $sign * Infinity;
+  return $sign * result;
+};
+
+/***/ }),
+/* 262 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var $hypot = Math.hypot;
+var abs = Math.abs;
+var sqrt = Math.sqrt; // Chrome 77 bug
+// https://bugs.chromium.org/p/v8/issues/detail?id=9546
+
+var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity; // `Math.hypot` method
+// https://tc39.github.io/ecma262/#sec-math.hypot
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: BUGGY
+}, {
+  hypot: function hypot(value1, value2) {
+    // eslint-disable-line no-unused-vars
+    var sum = 0;
+    var i = 0;
+    var aLen = arguments.length;
+    var larg = 0;
+    var arg, div;
+
+    while (i < aLen) {
+      arg = abs(arguments[i++]);
+
+      if (larg < arg) {
+        div = larg / arg;
+        sum = sum * div * div + 1;
+        larg = arg;
+      } else if (arg > 0) {
+        div = arg / larg;
+        sum += div * div;
+      } else sum += arg;
+    }
+
+    return larg === Infinity ? Infinity : larg * sqrt(sum);
+  }
+});
+
+/***/ }),
+/* 263 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var nativeImul = Math.imul;
+var FORCED = fails(function () {
+  return nativeImul(0xFFFFFFFF, 5) != -5 || nativeImul.length != 2;
+}); // `Math.imul` method
+// https://tc39.github.io/ecma262/#sec-math.imul
+// some WebKit versions fails with big numbers, some has wrong arity
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: FORCED
+}, {
+  imul: function imul(x, y) {
+    var UINT16 = 0xFFFF;
+    var xn = +x;
+    var yn = +y;
+    var xl = UINT16 & xn;
+    var yl = UINT16 & yn;
+    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
+  }
+});
+
+/***/ }),
+/* 264 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var log = Math.log;
+var LOG10E = Math.LOG10E; // `Math.log10` method
+// https://tc39.github.io/ecma262/#sec-math.log10
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  log10: function log10(x) {
+    return log(x) * LOG10E;
+  }
+});
+
+/***/ }),
+/* 265 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var log1p = __webpack_require__(251); // `Math.log1p` method
+// https://tc39.github.io/ecma262/#sec-math.log1p
+
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  log1p: log1p
+});
+
+/***/ }),
+/* 266 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var log = Math.log;
+var LN2 = Math.LN2; // `Math.log2` method
+// https://tc39.github.io/ecma262/#sec-math.log2
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  log2: function log2(x) {
+    return log(x) / LN2;
+  }
+});
+
+/***/ }),
+/* 267 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var sign = __webpack_require__(255); // `Math.sign` method
+// https://tc39.github.io/ecma262/#sec-math.sign
+
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  sign: sign
+});
+
+/***/ }),
+/* 268 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var expm1 = __webpack_require__(258);
+
+var abs = Math.abs;
+var exp = Math.exp;
+var E = Math.E;
+var FORCED = fails(function () {
+  return Math.sinh(-2e-17) != -2e-17;
+}); // `Math.sinh` method
+// https://tc39.github.io/ecma262/#sec-math.sinh
+// V8 near Chromium 38 has a problem with very small numbers
+
+$({
+  target: 'Math',
+  stat: true,
+  forced: FORCED
+}, {
+  sinh: function sinh(x) {
+    return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2);
+  }
+});
+
+/***/ }),
+/* 269 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var expm1 = __webpack_require__(258);
+
+var exp = Math.exp; // `Math.tanh` method
+// https://tc39.github.io/ecma262/#sec-math.tanh
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  tanh: function tanh(x) {
+    var a = expm1(x = +x);
+    var b = expm1(-x);
+    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
+  }
+});
+
+/***/ }),
+/* 270 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var setToStringTag = __webpack_require__(59); // Math[@@toStringTag] property
+// https://tc39.github.io/ecma262/#sec-math-@@tostringtag
+
+
+setToStringTag(Math, 'Math', true);
+
+/***/ }),
+/* 271 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var ceil = Math.ceil;
+var floor = Math.floor; // `Math.trunc` method
+// https://tc39.github.io/ecma262/#sec-math.trunc
+
+$({
+  target: 'Math',
+  stat: true
+}, {
+  trunc: function trunc(it) {
+    return (it > 0 ? floor : ceil)(it);
+  }
+});
+
+/***/ }),
+/* 272 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Date.now` method
+// https://tc39.github.io/ecma262/#sec-date.now
+
+
+$({
+  target: 'Date',
+  stat: true
+}, {
+  now: function now() {
+    return new Date().getTime();
+  }
+});
+
+/***/ }),
+/* 273 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var toObject = __webpack_require__(50);
+
+var toPrimitive = __webpack_require__(15);
+
+var FORCED = fails(function () {
+  return new Date(NaN).toJSON() !== null || Date.prototype.toJSON.call({
+    toISOString: function toISOString() {
+      return 1;
+    }
+  }) !== 1;
+}); // `Date.prototype.toJSON` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.tojson
+
+$({
+  target: 'Date',
+  proto: true,
+  forced: FORCED
+}, {
+  // eslint-disable-next-line no-unused-vars
+  toJSON: function toJSON(key) {
+    var O = toObject(this);
+    var pv = toPrimitive(O);
+    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
+  }
+});
+
+/***/ }),
+/* 274 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var toISOString = __webpack_require__(275); // `Date.prototype.toISOString` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.toisostring
+// PhantomJS / old WebKit has a broken implementations
+
+
+$({
+  target: 'Date',
+  proto: true,
+  forced: Date.prototype.toISOString !== toISOString
+}, {
+  toISOString: toISOString
+});
+
+/***/ }),
+/* 275 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var fails = __webpack_require__(8);
+
+var padStart = __webpack_require__(194).start;
+
+var abs = Math.abs;
+var DatePrototype = Date.prototype;
+var getTime = DatePrototype.getTime;
+var nativeDateToISOString = DatePrototype.toISOString; // `Date.prototype.toISOString` method implementation
+// https://tc39.github.io/ecma262/#sec-date.prototype.toisostring
+// PhantomJS / old WebKit fails here:
+
+module.exports = fails(function () {
+  return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
+}) || !fails(function () {
+  nativeDateToISOString.call(new Date(NaN));
+}) ? function toISOString() {
+  if (!isFinite(getTime.call(this))) throw RangeError('Invalid time value');
+  var date = this;
+  var year = date.getUTCFullYear();
+  var milliseconds = date.getUTCMilliseconds();
+  var sign = year < 0 ? '-' : year > 9999 ? '+' : '';
+  return sign + padStart(abs(year), sign ? 6 : 4, 0) + '-' + padStart(date.getUTCMonth() + 1, 2, 0) + '-' + padStart(date.getUTCDate(), 2, 0) + 'T' + padStart(date.getUTCHours(), 2, 0) + ':' + padStart(date.getUTCMinutes(), 2, 0) + ':' + padStart(date.getUTCSeconds(), 2, 0) + '.' + padStart(milliseconds, 3, 0) + 'Z';
+} : nativeDateToISOString;
+
+/***/ }),
+/* 276 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var redefine = __webpack_require__(23);
+
+var DatePrototype = Date.prototype;
+var INVALID_DATE = 'Invalid Date';
+var TO_STRING = 'toString';
+var nativeDateToString = DatePrototype[TO_STRING];
+var getTime = DatePrototype.getTime; // `Date.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-date.prototype.tostring
+
+if (new Date(NaN) + '' != INVALID_DATE) {
+  redefine(DatePrototype, TO_STRING, function toString() {
+    var value = getTime.call(this); // eslint-disable-next-line no-self-compare
+
+    return value === value ? nativeDateToString.call(this) : INVALID_DATE;
+  });
+}
+
+/***/ }),
+/* 277 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var dateToPrimitive = __webpack_require__(278);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
+var DatePrototype = Date.prototype; // `Date.prototype[@@toPrimitive]` method
+// https://tc39.github.io/ecma262/#sec-date.prototype-@@toprimitive
+
+if (!(TO_PRIMITIVE in DatePrototype)) {
+  createNonEnumerableProperty(DatePrototype, TO_PRIMITIVE, dateToPrimitive);
+}
+
+/***/ }),
+/* 278 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var anObject = __webpack_require__(22);
+
+var toPrimitive = __webpack_require__(15);
+
+module.exports = function (hint) {
+  if (hint !== 'string' && hint !== 'number' && hint !== 'default') {
+    throw TypeError('Incorrect hint');
+  }
+
+  return toPrimitive(anObject(this), hint !== 'number');
+};
+
+/***/ }),
+/* 279 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var getBuiltIn = __webpack_require__(36);
+
+var fails = __webpack_require__(8);
+
+var $stringify = getBuiltIn('JSON', 'stringify');
+var re = /[\uD800-\uDFFF]/g;
+var low = /^[\uD800-\uDBFF]$/;
+var hi = /^[\uDC00-\uDFFF]$/;
+
+var fix = function fix(match, offset, string) {
+  var prev = string.charAt(offset - 1);
+  var next = string.charAt(offset + 1);
+
+  if (low.test(match) && !hi.test(next) || hi.test(match) && !low.test(prev)) {
+    return '\\u' + match.charCodeAt(0).toString(16);
+  }
+
+  return match;
+};
+
+var FORCED = fails(function () {
+  return $stringify('\uDF06\uD834') !== '"\\udf06\\ud834"' || $stringify('\uDEAD') !== '"\\udead"';
+});
+
+if ($stringify) {
+  // https://github.com/tc39/proposal-well-formed-stringify
+  $({
+    target: 'JSON',
+    stat: true,
+    forced: FORCED
+  }, {
+    // eslint-disable-next-line no-unused-vars
+    stringify: function stringify(it, replacer, space) {
+      var result = $stringify.apply(null, arguments);
+      return typeof result == 'string' ? result.replace(re, fix) : result;
+    }
+  });
+}
+
+/***/ }),
+/* 280 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var setToStringTag = __webpack_require__(59); // JSON[@@toStringTag] property
+// https://tc39.github.io/ecma262/#sec-json-@@tostringtag
+
+
+setToStringTag(global.JSON, 'JSON', true);
+
+/***/ }),
+/* 281 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var IS_PURE = __webpack_require__(31);
+
+var global = __webpack_require__(5);
+
+var getBuiltIn = __webpack_require__(36);
+
+var NativePromise = __webpack_require__(282);
+
+var redefine = __webpack_require__(23);
+
+var redefineAll = __webpack_require__(283);
+
+var setToStringTag = __webpack_require__(59);
+
+var setSpecies = __webpack_require__(167);
+
+var isObject = __webpack_require__(16);
+
+var aFunction = __webpack_require__(62);
+
+var anInstance = __webpack_require__(284);
+
+var classof = __webpack_require__(13);
+
+var inspectSource = __webpack_require__(25);
+
+var iterate = __webpack_require__(89);
+
+var checkCorrectnessOfIteration = __webpack_require__(129);
+
+var speciesConstructor = __webpack_require__(192);
+
+var task = __webpack_require__(285).set;
+
+var microtask = __webpack_require__(287);
+
+var promiseResolve = __webpack_require__(288);
+
+var hostReportErrors = __webpack_require__(290);
+
+var newPromiseCapabilityModule = __webpack_require__(289);
+
+var perform = __webpack_require__(291);
+
+var InternalStateModule = __webpack_require__(27);
+
+var isForced = __webpack_require__(46);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var V8_VERSION = __webpack_require__(134);
+
+var SPECIES = wellKnownSymbol('species');
+var PROMISE = 'Promise';
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var getInternalPromiseState = InternalStateModule.getterFor(PROMISE);
+var PromiseConstructor = NativePromise;
+var TypeError = global.TypeError;
+var document = global.document;
+var process = global.process;
+var $fetch = getBuiltIn('fetch');
+var newPromiseCapability = newPromiseCapabilityModule.f;
+var newGenericPromiseCapability = newPromiseCapability;
+var IS_NODE = classof(process) == 'process';
+var DISPATCH_EVENT = !!(document && document.createEvent && global.dispatchEvent);
+var UNHANDLED_REJECTION = 'unhandledrejection';
+var REJECTION_HANDLED = 'rejectionhandled';
+var PENDING = 0;
+var FULFILLED = 1;
+var REJECTED = 2;
+var HANDLED = 1;
+var UNHANDLED = 2;
+var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;
+var FORCED = isForced(PROMISE, function () {
+  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
+
+  if (!GLOBAL_CORE_JS_PROMISE) {
+    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
+    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
+    // We can't detect it synchronously, so just check versions
+    if (V8_VERSION === 66) return true; // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test
+
+    if (!IS_NODE && typeof PromiseRejectionEvent != 'function') return true;
+  } // We need Promise#finally in the pure version for preventing prototype pollution
+
+
+  if (IS_PURE && !PromiseConstructor.prototype['finally']) return true; // We can't use @@species feature detection in V8 since it causes
+  // deoptimization and performance degradation
+  // https://github.com/zloirock/core-js/issues/679
+
+  if (V8_VERSION >= 51 && /native code/.test(PromiseConstructor)) return false; // Detect correctness of subclassing with @@species support
+
+  var promise = PromiseConstructor.resolve(1);
+
+  var FakePromise = function FakePromise(exec) {
+    exec(function () {
+      /* empty */
+    }, function () {
+      /* empty */
+    });
+  };
+
+  var constructor = promise.constructor = {};
+  constructor[SPECIES] = FakePromise;
+  return !(promise.then(function () {
+    /* empty */
+  }) instanceof FakePromise);
+});
+var INCORRECT_ITERATION = FORCED || !checkCorrectnessOfIteration(function (iterable) {
+  PromiseConstructor.all(iterable)['catch'](function () {
+    /* empty */
+  });
+}); // helpers
+
+var isThenable = function isThenable(it) {
+  var then;
+  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
+};
+
+var notify = function notify(promise, state, isReject) {
+  if (state.notified) return;
+  state.notified = true;
+  var chain = state.reactions;
+  microtask(function () {
+    var value = state.value;
+    var ok = state.state == FULFILLED;
+    var index = 0; // variable length - can't use forEach
+
+    while (chain.length > index) {
+      var reaction = chain[index++];
+      var handler = ok ? reaction.ok : reaction.fail;
+      var resolve = reaction.resolve;
+      var reject = reaction.reject;
+      var domain = reaction.domain;
+      var result, then, exited;
+
+      try {
+        if (handler) {
+          if (!ok) {
+            if (state.rejection === UNHANDLED) onHandleUnhandled(promise, state);
+            state.rejection = HANDLED;
+          }
+
+          if (handler === true) result = value;else {
+            if (domain) domain.enter();
+            result = handler(value); // can throw
+
+            if (domain) {
+              domain.exit();
+              exited = true;
+            }
+          }
+
+          if (result === reaction.promise) {
+            reject(TypeError('Promise-chain cycle'));
+          } else if (then = isThenable(result)) {
+            then.call(result, resolve, reject);
+          } else resolve(result);
+        } else reject(value);
+      } catch (error) {
+        if (domain && !exited) domain.exit();
+        reject(error);
+      }
+    }
+
+    state.reactions = [];
+    state.notified = false;
+    if (isReject && !state.rejection) onUnhandled(promise, state);
+  });
+};
+
+var dispatchEvent = function dispatchEvent(name, promise, reason) {
+  var event, handler;
+
+  if (DISPATCH_EVENT) {
+    event = document.createEvent('Event');
+    event.promise = promise;
+    event.reason = reason;
+    event.initEvent(name, false, true);
+    global.dispatchEvent(event);
+  } else event = {
+    promise: promise,
+    reason: reason
+  };
+
+  if (handler = global['on' + name]) handler(event);else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);
+};
+
+var onUnhandled = function onUnhandled(promise, state) {
+  task.call(global, function () {
+    var value = state.value;
+    var IS_UNHANDLED = isUnhandled(state);
+    var result;
+
+    if (IS_UNHANDLED) {
+      result = perform(function () {
+        if (IS_NODE) {
+          process.emit('unhandledRejection', value, promise);
+        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);
+      }); // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
+
+      state.rejection = IS_NODE || isUnhandled(state) ? UNHANDLED : HANDLED;
+      if (result.error) throw result.value;
+    }
+  });
+};
+
+var isUnhandled = function isUnhandled(state) {
+  return state.rejection !== HANDLED && !state.parent;
+};
+
+var onHandleUnhandled = function onHandleUnhandled(promise, state) {
+  task.call(global, function () {
+    if (IS_NODE) {
+      process.emit('rejectionHandled', promise);
+    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);
+  });
+};
+
+var bind = function bind(fn, promise, state, unwrap) {
+  return function (value) {
+    fn(promise, state, value, unwrap);
+  };
+};
+
+var internalReject = function internalReject(promise, state, value, unwrap) {
+  if (state.done) return;
+  state.done = true;
+  if (unwrap) state = unwrap;
+  state.value = value;
+  state.state = REJECTED;
+  notify(promise, state, true);
+};
+
+var internalResolve = function internalResolve(promise, state, value, unwrap) {
+  if (state.done) return;
+  state.done = true;
+  if (unwrap) state = unwrap;
+
+  try {
+    if (promise === value) throw TypeError("Promise can't be resolved itself");
+    var then = isThenable(value);
+
+    if (then) {
+      microtask(function () {
+        var wrapper = {
+          done: false
+        };
+
+        try {
+          then.call(value, bind(internalResolve, promise, wrapper, state), bind(internalReject, promise, wrapper, state));
+        } catch (error) {
+          internalReject(promise, wrapper, error, state);
+        }
+      });
+    } else {
+      state.value = value;
+      state.state = FULFILLED;
+      notify(promise, state, false);
+    }
+  } catch (error) {
+    internalReject(promise, {
+      done: false
+    }, error, state);
+  }
+}; // constructor polyfill
+
+
+if (FORCED) {
+  // 25.4.3.1 Promise(executor)
+  PromiseConstructor = function Promise(executor) {
+    anInstance(this, PromiseConstructor, PROMISE);
+    aFunction(executor);
+    Internal.call(this);
+    var state = getInternalState(this);
+
+    try {
+      executor(bind(internalResolve, this, state), bind(internalReject, this, state));
+    } catch (error) {
+      internalReject(this, state, error);
+    }
+  }; // eslint-disable-next-line no-unused-vars
+
+
+  Internal = function Promise(executor) {
+    setInternalState(this, {
+      type: PROMISE,
+      done: false,
+      notified: false,
+      parent: false,
+      reactions: [],
+      rejection: false,
+      state: PENDING,
+      value: undefined
+    });
+  };
+
+  Internal.prototype = redefineAll(PromiseConstructor.prototype, {
+    // `Promise.prototype.then` method
+    // https://tc39.github.io/ecma262/#sec-promise.prototype.then
+    then: function then(onFulfilled, onRejected) {
+      var state = getInternalPromiseState(this);
+      var reaction = newPromiseCapability(speciesConstructor(this, PromiseConstructor));
+      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
+      reaction.fail = typeof onRejected == 'function' && onRejected;
+      reaction.domain = IS_NODE ? process.domain : undefined;
+      state.parent = true;
+      state.reactions.push(reaction);
+      if (state.state != PENDING) notify(this, state, false);
+      return reaction.promise;
+    },
+    // `Promise.prototype.catch` method
+    // https://tc39.github.io/ecma262/#sec-promise.prototype.catch
+    'catch': function _catch(onRejected) {
+      return this.then(undefined, onRejected);
+    }
+  });
+
+  OwnPromiseCapability = function OwnPromiseCapability() {
+    var promise = new Internal();
+    var state = getInternalState(promise);
+    this.promise = promise;
+    this.resolve = bind(internalResolve, promise, state);
+    this.reject = bind(internalReject, promise, state);
+  };
+
+  newPromiseCapabilityModule.f = newPromiseCapability = function newPromiseCapability(C) {
+    return C === PromiseConstructor || C === PromiseWrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
+  };
+
+  if (!IS_PURE && typeof NativePromise == 'function') {
+    nativeThen = NativePromise.prototype.then; // wrap native Promise#then for native async functions
+
+    redefine(NativePromise.prototype, 'then', function then(onFulfilled, onRejected) {
+      var that = this;
+      return new PromiseConstructor(function (resolve, reject) {
+        nativeThen.call(that, resolve, reject);
+      }).then(onFulfilled, onRejected); // https://github.com/zloirock/core-js/issues/640
+    }, {
+      unsafe: true
+    }); // wrap fetch result
+
+    if (typeof $fetch == 'function') $({
+      global: true,
+      enumerable: true,
+      forced: true
+    }, {
+      // eslint-disable-next-line no-unused-vars
+      fetch: function fetch(input
+      /* , init */
+      ) {
+        return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));
+      }
+    });
+  }
+}
+
+$({
+  global: true,
+  wrap: true,
+  forced: FORCED
+}, {
+  Promise: PromiseConstructor
+});
+setToStringTag(PromiseConstructor, PROMISE, false, true);
+setSpecies(PROMISE);
+PromiseWrapper = getBuiltIn(PROMISE); // statics
+
+$({
+  target: PROMISE,
+  stat: true,
+  forced: FORCED
+}, {
+  // `Promise.reject` method
+  // https://tc39.github.io/ecma262/#sec-promise.reject
+  reject: function reject(r) {
+    var capability = newPromiseCapability(this);
+    capability.reject.call(undefined, r);
+    return capability.promise;
+  }
+});
+$({
+  target: PROMISE,
+  stat: true,
+  forced: IS_PURE || FORCED
+}, {
+  // `Promise.resolve` method
+  // https://tc39.github.io/ecma262/#sec-promise.resolve
+  resolve: function resolve(x) {
+    return promiseResolve(IS_PURE && this === PromiseWrapper ? PromiseConstructor : this, x);
+  }
+});
+$({
+  target: PROMISE,
+  stat: true,
+  forced: INCORRECT_ITERATION
+}, {
+  // `Promise.all` method
+  // https://tc39.github.io/ecma262/#sec-promise.all
+  all: function all(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var $promiseResolve = aFunction(C.resolve);
+      var values = [];
+      var counter = 0;
+      var remaining = 1;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
+        $promiseResolve.call(C, promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = value;
+          --remaining || resolve(values);
+        }, reject);
+      });
+      --remaining || resolve(values);
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  },
+  // `Promise.race` method
+  // https://tc39.github.io/ecma262/#sec-promise.race
+  race: function race(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var reject = capability.reject;
+    var result = perform(function () {
+      var $promiseResolve = aFunction(C.resolve);
+      iterate(iterable, function (promise) {
+        $promiseResolve.call(C, promise).then(capability.resolve, reject);
+      });
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});
+
+/***/ }),
+/* 282 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+module.exports = global.Promise;
+
+/***/ }),
+/* 283 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var redefine = __webpack_require__(23);
+
+module.exports = function (target, src, options) {
+  for (var key in src) redefine(target, key, src[key], options);
+
+  return target;
+};
+
+/***/ }),
+/* 284 */
+/***/ (function(module, exports) {
+
+module.exports = function (it, Constructor, name) {
+  if (!(it instanceof Constructor)) {
+    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 285 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var fails = __webpack_require__(8);
+
+var classof = __webpack_require__(13);
+
+var bind = __webpack_require__(61);
+
+var html = __webpack_require__(54);
+
+var createElement = __webpack_require__(19);
+
+var IS_IOS = __webpack_require__(286);
+
+var location = global.location;
+var set = global.setImmediate;
+var clear = global.clearImmediate;
+var process = global.process;
+var MessageChannel = global.MessageChannel;
+var Dispatch = global.Dispatch;
+var counter = 0;
+var queue = {};
+var ONREADYSTATECHANGE = 'onreadystatechange';
+var defer, channel, port;
+
+var run = function run(id) {
+  // eslint-disable-next-line no-prototype-builtins
+  if (queue.hasOwnProperty(id)) {
+    var fn = queue[id];
+    delete queue[id];
+    fn();
+  }
+};
+
+var runner = function runner(id) {
+  return function () {
+    run(id);
+  };
+};
+
+var listener = function listener(event) {
+  run(event.data);
+};
+
+var post = function post(id) {
+  // old engines have not location.origin
+  global.postMessage(id + '', location.protocol + '//' + location.host);
+}; // Node.js 0.9+ & IE10+ has setImmediate, otherwise:
+
+
+if (!set || !clear) {
+  set = function setImmediate(fn) {
+    var args = [];
+    var i = 1;
+
+    while (arguments.length > i) args.push(arguments[i++]);
+
+    queue[++counter] = function () {
+      // eslint-disable-next-line no-new-func
+      (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
+    };
+
+    defer(counter);
+    return counter;
+  };
+
+  clear = function clearImmediate(id) {
+    delete queue[id];
+  }; // Node.js 0.8-
+
+
+  if (classof(process) == 'process') {
+    defer = function defer(id) {
+      process.nextTick(runner(id));
+    }; // Sphere (JS game engine) Dispatch API
+
+  } else if (Dispatch && Dispatch.now) {
+    defer = function defer(id) {
+      Dispatch.now(runner(id));
+    }; // Browsers with MessageChannel, includes WebWorkers
+    // except iOS - https://github.com/zloirock/core-js/issues/624
+
+  } else if (MessageChannel && !IS_IOS) {
+    channel = new MessageChannel();
+    port = channel.port2;
+    channel.port1.onmessage = listener;
+    defer = bind(port.postMessage, port, 1); // Browsers with postMessage, skip WebWorkers
+    // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
+  } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts && !fails(post)) {
+    defer = post;
+    global.addEventListener('message', listener, false); // IE8-
+  } else if (ONREADYSTATECHANGE in createElement('script')) {
+    defer = function defer(id) {
+      html.appendChild(createElement('script'))[ONREADYSTATECHANGE] = function () {
+        html.removeChild(this);
+        run(id);
+      };
+    }; // Rest old browsers
+
+  } else {
+    defer = function defer(id) {
+      setTimeout(runner(id), 0);
+    };
+  }
+}
+
+module.exports = {
+  set: set,
+  clear: clear
+};
+
+/***/ }),
+/* 286 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var userAgent = __webpack_require__(135);
+
+module.exports = /(iphone|ipod|ipad).*applewebkit/i.test(userAgent);
+
+/***/ }),
+/* 287 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f;
+
+var classof = __webpack_require__(13);
+
+var macrotask = __webpack_require__(285).set;
+
+var IS_IOS = __webpack_require__(286);
+
+var MutationObserver = global.MutationObserver || global.WebKitMutationObserver;
+var process = global.process;
+var Promise = global.Promise;
+var IS_NODE = classof(process) == 'process'; // Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`
+
+var queueMicrotaskDescriptor = getOwnPropertyDescriptor(global, 'queueMicrotask');
+var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;
+var flush, head, last, notify, toggle, node, promise, then; // modern engines have queueMicrotask method
+
+if (!queueMicrotask) {
+  flush = function flush() {
+    var parent, fn;
+    if (IS_NODE && (parent = process.domain)) parent.exit();
+
+    while (head) {
+      fn = head.fn;
+      head = head.next;
+
+      try {
+        fn();
+      } catch (error) {
+        if (head) notify();else last = undefined;
+        throw error;
+      }
+    }
+
+    last = undefined;
+    if (parent) parent.enter();
+  }; // Node.js
+
+
+  if (IS_NODE) {
+    notify = function notify() {
+      process.nextTick(flush);
+    }; // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339
+
+  } else if (MutationObserver && !IS_IOS) {
+    toggle = true;
+    node = document.createTextNode('');
+    new MutationObserver(flush).observe(node, {
+      characterData: true
+    });
+
+    notify = function notify() {
+      node.data = toggle = !toggle;
+    }; // environments with maybe non-completely correct, but existent Promise
+
+  } else if (Promise && Promise.resolve) {
+    // Promise.resolve without an argument throws an error in LG WebOS 2
+    promise = Promise.resolve(undefined);
+    then = promise.then;
+
+    notify = function notify() {
+      then.call(promise, flush);
+    }; // for other environments - macrotask based on:
+    // - setImmediate
+    // - MessageChannel
+    // - window.postMessag
+    // - onreadystatechange
+    // - setTimeout
+
+  } else {
+    notify = function notify() {
+      // strange IE + webpack dev server bug - use .call(global)
+      macrotask.call(global, flush);
+    };
+  }
+}
+
+module.exports = queueMicrotask || function (fn) {
+  var task = {
+    fn: fn,
+    next: undefined
+  };
+  if (last) last.next = task;
+
+  if (!head) {
+    head = task;
+    notify();
+  }
+
+  last = task;
+};
+
+/***/ }),
+/* 288 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var isObject = __webpack_require__(16);
+
+var newPromiseCapability = __webpack_require__(289);
+
+module.exports = function (C, x) {
+  anObject(C);
+  if (isObject(x) && x.constructor === C) return x;
+  var promiseCapability = newPromiseCapability.f(C);
+  var resolve = promiseCapability.resolve;
+  resolve(x);
+  return promiseCapability.promise;
+};
+
+/***/ }),
+/* 289 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var aFunction = __webpack_require__(62);
+
+var PromiseCapability = function PromiseCapability(C) {
+  var resolve, reject;
+  this.promise = new C(function ($$resolve, $$reject) {
+    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
+    resolve = $$resolve;
+    reject = $$reject;
+  });
+  this.resolve = aFunction(resolve);
+  this.reject = aFunction(reject);
+}; // 25.4.1.5 NewPromiseCapability(C)
+
+
+module.exports.f = function (C) {
+  return new PromiseCapability(C);
+};
+
+/***/ }),
+/* 290 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+module.exports = function (a, b) {
+  var console = global.console;
+
+  if (console && console.error) {
+    arguments.length === 1 ? console.error(a) : console.error(a, b);
+  }
+};
+
+/***/ }),
+/* 291 */
+/***/ (function(module, exports) {
+
+module.exports = function (exec) {
+  try {
+    return {
+      error: false,
+      value: exec()
+    };
+  } catch (error) {
+    return {
+      error: true,
+      value: error
+    };
+  }
+};
+
+/***/ }),
+/* 292 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var aFunction = __webpack_require__(62);
+
+var newPromiseCapabilityModule = __webpack_require__(289);
+
+var perform = __webpack_require__(291);
+
+var iterate = __webpack_require__(89); // `Promise.allSettled` method
+// https://github.com/tc39/proposal-promise-allSettled
+
+
+$({
+  target: 'Promise',
+  stat: true
+}, {
+  allSettled: function allSettled(iterable) {
+    var C = this;
+    var capability = newPromiseCapabilityModule.f(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var promiseResolve = aFunction(C.resolve);
+      var values = [];
+      var counter = 0;
+      var remaining = 1;
+      iterate(iterable, function (promise) {
+        var index = counter++;
+        var alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
+        promiseResolve.call(C, promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = {
+            status: 'fulfilled',
+            value: value
+          };
+          --remaining || resolve(values);
+        }, function (e) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[index] = {
+            status: 'rejected',
+            reason: e
+          };
+          --remaining || resolve(values);
+        });
+      });
+      --remaining || resolve(values);
+    });
+    if (result.error) reject(result.value);
+    return capability.promise;
+  }
+});
+
+/***/ }),
+/* 293 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var IS_PURE = __webpack_require__(31);
+
+var NativePromise = __webpack_require__(282);
+
+var fails = __webpack_require__(8);
+
+var getBuiltIn = __webpack_require__(36);
+
+var speciesConstructor = __webpack_require__(192);
+
+var promiseResolve = __webpack_require__(288);
+
+var redefine = __webpack_require__(23); // Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829
+
+
+var NON_GENERIC = !!NativePromise && fails(function () {
+  NativePromise.prototype['finally'].call({
+    then: function then() {
+      /* empty */
+    }
+  }, function () {
+    /* empty */
+  });
+}); // `Promise.prototype.finally` method
+// https://tc39.github.io/ecma262/#sec-promise.prototype.finally
+
+$({
+  target: 'Promise',
+  proto: true,
+  real: true,
+  forced: NON_GENERIC
+}, {
+  'finally': function _finally(onFinally) {
+    var C = speciesConstructor(this, getBuiltIn('Promise'));
+    var isFunction = typeof onFinally == 'function';
+    return this.then(isFunction ? function (x) {
+      return promiseResolve(C, onFinally()).then(function () {
+        return x;
+      });
+    } : onFinally, isFunction ? function (e) {
+      return promiseResolve(C, onFinally()).then(function () {
+        throw e;
+      });
+    } : onFinally);
+  }
+}); // patch native Promise.prototype for native async functions
+
+if (!IS_PURE && typeof NativePromise == 'function' && !NativePromise.prototype['finally']) {
+  redefine(NativePromise.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);
+}
+
+/***/ }),
+/* 294 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var collection = __webpack_require__(295);
+
+var collectionStrong = __webpack_require__(296); // `Map` constructor
+// https://tc39.github.io/ecma262/#sec-map-objects
+
+
+module.exports = collection('Map', function (init) {
+  return function Map() {
+    return init(this, arguments.length ? arguments[0] : undefined);
+  };
+}, collectionStrong);
+
+/***/ }),
+/* 295 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var isForced = __webpack_require__(46);
+
+var redefine = __webpack_require__(23);
+
+var InternalMetadataModule = __webpack_require__(87);
+
+var iterate = __webpack_require__(89);
+
+var anInstance = __webpack_require__(284);
+
+var isObject = __webpack_require__(16);
+
+var fails = __webpack_require__(8);
+
+var checkCorrectnessOfIteration = __webpack_require__(129);
+
+var setToStringTag = __webpack_require__(59);
+
+var inheritIfRequired = __webpack_require__(226);
+
+module.exports = function (CONSTRUCTOR_NAME, wrapper, common) {
+  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
+  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
+  var ADDER = IS_MAP ? 'set' : 'add';
+  var NativeConstructor = global[CONSTRUCTOR_NAME];
+  var NativePrototype = NativeConstructor && NativeConstructor.prototype;
+  var Constructor = NativeConstructor;
+  var exported = {};
+
+  var fixMethod = function fixMethod(KEY) {
+    var nativeMethod = NativePrototype[KEY];
+    redefine(NativePrototype, KEY, KEY == 'add' ? function add(value) {
+      nativeMethod.call(this, value === 0 ? 0 : value);
+      return this;
+    } : KEY == 'delete' ? function (key) {
+      return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+    } : KEY == 'get' ? function get(key) {
+      return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
+    } : KEY == 'has' ? function has(key) {
+      return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
+    } : function set(key, value) {
+      nativeMethod.call(this, key === 0 ? 0 : key, value);
+      return this;
+    });
+  }; // eslint-disable-next-line max-len
+
+
+  if (isForced(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
+    new NativeConstructor().entries().next();
+  })))) {
+    // create collection constructor
+    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
+    InternalMetadataModule.REQUIRED = true;
+  } else if (isForced(CONSTRUCTOR_NAME, true)) {
+    var instance = new Constructor(); // early implementations not supports chaining
+
+    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance; // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false
+
+    var THROWS_ON_PRIMITIVES = fails(function () {
+      instance.has(1);
+    }); // most early implementations doesn't supports iterables, most modern - not close it correctly
+    // eslint-disable-next-line no-new
+
+    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) {
+      new NativeConstructor(iterable);
+    }); // for early implementations -0 and +0 not the same
+
+    var BUGGY_ZERO = !IS_WEAK && fails(function () {
+      // V8 ~ Chromium 42- fails only with 5+ elements
+      var $instance = new NativeConstructor();
+      var index = 5;
+
+      while (index--) $instance[ADDER](index, index);
+
+      return !$instance.has(-0);
+    });
+
+    if (!ACCEPT_ITERABLES) {
+      Constructor = wrapper(function (dummy, iterable) {
+        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
+        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
+        if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);
+        return that;
+      });
+      Constructor.prototype = NativePrototype;
+      NativePrototype.constructor = Constructor;
+    }
+
+    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+      fixMethod('delete');
+      fixMethod('has');
+      IS_MAP && fixMethod('get');
+    }
+
+    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER); // weak collections should not contains .clear method
+
+    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;
+  }
+
+  exported[CONSTRUCTOR_NAME] = Constructor;
+  $({
+    global: true,
+    forced: Constructor != NativeConstructor
+  }, exported);
+  setToStringTag(Constructor, CONSTRUCTOR_NAME);
+  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);
+  return Constructor;
+};
+
+/***/ }),
+/* 296 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var defineProperty = __webpack_require__(21).f;
+
+var create = __webpack_require__(51);
+
+var redefineAll = __webpack_require__(283);
+
+var bind = __webpack_require__(61);
+
+var anInstance = __webpack_require__(284);
+
+var iterate = __webpack_require__(89);
+
+var defineIterator = __webpack_require__(171);
+
+var setSpecies = __webpack_require__(167);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var fastKey = __webpack_require__(87).fastKey;
+
+var InternalStateModule = __webpack_require__(27);
+
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+module.exports = {
+  getConstructor: function getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+    var C = wrapper(function (that, iterable) {
+      anInstance(that, C, CONSTRUCTOR_NAME);
+      setInternalState(that, {
+        type: CONSTRUCTOR_NAME,
+        index: create(null),
+        first: undefined,
+        last: undefined,
+        size: 0
+      });
+      if (!DESCRIPTORS) that.size = 0;
+      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);
+    });
+    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+
+    var define = function define(that, key, value) {
+      var state = getInternalState(that);
+      var entry = getEntry(that, key);
+      var previous, index; // change existing entry
+
+      if (entry) {
+        entry.value = value; // create new entry
+      } else {
+        state.last = entry = {
+          index: index = fastKey(key, true),
+          key: key,
+          value: value,
+          previous: previous = state.last,
+          next: undefined,
+          removed: false
+        };
+        if (!state.first) state.first = entry;
+        if (previous) previous.next = entry;
+        if (DESCRIPTORS) state.size++;else that.size++; // add to index
+
+        if (index !== 'F') state.index[index] = entry;
+      }
+
+      return that;
+    };
+
+    var getEntry = function getEntry(that, key) {
+      var state = getInternalState(that); // fast case
+
+      var index = fastKey(key);
+      var entry;
+      if (index !== 'F') return state.index[index]; // frozen object case
+
+      for (entry = state.first; entry; entry = entry.next) {
+        if (entry.key == key) return entry;
+      }
+    };
+
+    redefineAll(C.prototype, {
+      // 23.1.3.1 Map.prototype.clear()
+      // 23.2.3.2 Set.prototype.clear()
+      clear: function clear() {
+        var that = this;
+        var state = getInternalState(that);
+        var data = state.index;
+        var entry = state.first;
+
+        while (entry) {
+          entry.removed = true;
+          if (entry.previous) entry.previous = entry.previous.next = undefined;
+          delete data[entry.index];
+          entry = entry.next;
+        }
+
+        state.first = state.last = undefined;
+        if (DESCRIPTORS) state.size = 0;else that.size = 0;
+      },
+      // 23.1.3.3 Map.prototype.delete(key)
+      // 23.2.3.4 Set.prototype.delete(value)
+      'delete': function _delete(key) {
+        var that = this;
+        var state = getInternalState(that);
+        var entry = getEntry(that, key);
+
+        if (entry) {
+          var next = entry.next;
+          var prev = entry.previous;
+          delete state.index[entry.index];
+          entry.removed = true;
+          if (prev) prev.next = next;
+          if (next) next.previous = prev;
+          if (state.first == entry) state.first = next;
+          if (state.last == entry) state.last = prev;
+          if (DESCRIPTORS) state.size--;else that.size--;
+        }
+
+        return !!entry;
+      },
+      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
+      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
+      forEach: function forEach(callbackfn
+      /* , that = undefined */
+      ) {
+        var state = getInternalState(this);
+        var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
+        var entry;
+
+        while (entry = entry ? entry.next : state.first) {
+          boundFunction(entry.value, entry.key, this); // revert to the last existing entry
+
+          while (entry && entry.removed) entry = entry.previous;
+        }
+      },
+      // 23.1.3.7 Map.prototype.has(key)
+      // 23.2.3.7 Set.prototype.has(value)
+      has: function has(key) {
+        return !!getEntry(this, key);
+      }
+    });
+    redefineAll(C.prototype, IS_MAP ? {
+      // 23.1.3.6 Map.prototype.get(key)
+      get: function get(key) {
+        var entry = getEntry(this, key);
+        return entry && entry.value;
+      },
+      // 23.1.3.9 Map.prototype.set(key, value)
+      set: function set(key, value) {
+        return define(this, key === 0 ? 0 : key, value);
+      }
+    } : {
+      // 23.2.3.1 Set.prototype.add(value)
+      add: function add(value) {
+        return define(this, value = value === 0 ? 0 : value, value);
+      }
+    });
+    if (DESCRIPTORS) defineProperty(C.prototype, 'size', {
+      get: function get() {
+        return getInternalState(this).size;
+      }
+    });
+    return C;
+  },
+  setStrong: function setStrong(C, CONSTRUCTOR_NAME, IS_MAP) {
+    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
+    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
+    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME); // add .keys, .values, .entries, [@@iterator]
+    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
+
+    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
+      setInternalState(this, {
+        type: ITERATOR_NAME,
+        target: iterated,
+        state: getInternalCollectionState(iterated),
+        kind: kind,
+        last: undefined
+      });
+    }, function () {
+      var state = getInternalIteratorState(this);
+      var kind = state.kind;
+      var entry = state.last; // revert to the last existing entry
+
+      while (entry && entry.removed) entry = entry.previous; // get next entry
+
+
+      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
+        // or finish the iteration
+        state.target = undefined;
+        return {
+          value: undefined,
+          done: true
+        };
+      } // return step by kind
+
+
+      if (kind == 'keys') return {
+        value: entry.key,
+        done: false
+      };
+      if (kind == 'values') return {
+        value: entry.value,
+        done: false
+      };
+      return {
+        value: [entry.key, entry.value],
+        done: false
+      };
+    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true); // add [@@species], 23.1.2.2, 23.2.2.2
+
+    setSpecies(CONSTRUCTOR_NAME);
+  }
+};
+
+/***/ }),
+/* 297 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var collection = __webpack_require__(295);
+
+var collectionStrong = __webpack_require__(296); // `Set` constructor
+// https://tc39.github.io/ecma262/#sec-set-objects
+
+
+module.exports = collection('Set', function (init) {
+  return function Set() {
+    return init(this, arguments.length ? arguments[0] : undefined);
+  };
+}, collectionStrong);
+
+/***/ }),
+/* 298 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var global = __webpack_require__(5);
+
+var redefineAll = __webpack_require__(283);
+
+var InternalMetadataModule = __webpack_require__(87);
+
+var collection = __webpack_require__(295);
+
+var collectionWeak = __webpack_require__(299);
+
+var isObject = __webpack_require__(16);
+
+var enforceIternalState = __webpack_require__(27).enforce;
+
+var NATIVE_WEAK_MAP = __webpack_require__(28);
+
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var isExtensible = Object.isExtensible;
+var InternalWeakMap;
+
+var wrapper = function wrapper(init) {
+  return function WeakMap() {
+    return init(this, arguments.length ? arguments[0] : undefined);
+  };
+}; // `WeakMap` constructor
+// https://tc39.github.io/ecma262/#sec-weakmap-constructor
+
+
+var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak); // IE11 WeakMap frozen keys fix
+// We can't use feature detection because it crash some old IE builds
+// https://github.com/zloirock/core-js/issues/485
+
+if (NATIVE_WEAK_MAP && IS_IE11) {
+  InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
+  InternalMetadataModule.REQUIRED = true;
+  var WeakMapPrototype = $WeakMap.prototype;
+  var nativeDelete = WeakMapPrototype['delete'];
+  var nativeHas = WeakMapPrototype.has;
+  var nativeGet = WeakMapPrototype.get;
+  var nativeSet = WeakMapPrototype.set;
+  redefineAll(WeakMapPrototype, {
+    'delete': function _delete(key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeDelete.call(this, key) || state.frozen['delete'](key);
+      }
+
+      return nativeDelete.call(this, key);
+    },
+    has: function has(key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeHas.call(this, key) || state.frozen.has(key);
+      }
+
+      return nativeHas.call(this, key);
+    },
+    get: function get(key) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
+      }
+
+      return nativeGet.call(this, key);
+    },
+    set: function set(key, value) {
+      if (isObject(key) && !isExtensible(key)) {
+        var state = enforceIternalState(this);
+        if (!state.frozen) state.frozen = new InternalWeakMap();
+        nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
+      } else nativeSet.call(this, key, value);
+
+      return this;
+    }
+  });
+}
+
+/***/ }),
+/* 299 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var redefineAll = __webpack_require__(283);
+
+var getWeakData = __webpack_require__(87).getWeakData;
+
+var anObject = __webpack_require__(22);
+
+var isObject = __webpack_require__(16);
+
+var anInstance = __webpack_require__(284);
+
+var iterate = __webpack_require__(89);
+
+var ArrayIterationModule = __webpack_require__(60);
+
+var $has = __webpack_require__(17);
+
+var InternalStateModule = __webpack_require__(27);
+
+var setInternalState = InternalStateModule.set;
+var internalStateGetterFor = InternalStateModule.getterFor;
+var find = ArrayIterationModule.find;
+var findIndex = ArrayIterationModule.findIndex;
+var id = 0; // fallback for uncaught frozen keys
+
+var uncaughtFrozenStore = function uncaughtFrozenStore(store) {
+  return store.frozen || (store.frozen = new UncaughtFrozenStore());
+};
+
+var UncaughtFrozenStore = function UncaughtFrozenStore() {
+  this.entries = [];
+};
+
+var findUncaughtFrozen = function findUncaughtFrozen(store, key) {
+  return find(store.entries, function (it) {
+    return it[0] === key;
+  });
+};
+
+UncaughtFrozenStore.prototype = {
+  get: function get(key) {
+    var entry = findUncaughtFrozen(this, key);
+    if (entry) return entry[1];
+  },
+  has: function has(key) {
+    return !!findUncaughtFrozen(this, key);
+  },
+  set: function set(key, value) {
+    var entry = findUncaughtFrozen(this, key);
+    if (entry) entry[1] = value;else this.entries.push([key, value]);
+  },
+  'delete': function _delete(key) {
+    var index = findIndex(this.entries, function (it) {
+      return it[0] === key;
+    });
+    if (~index) this.entries.splice(index, 1);
+    return !!~index;
+  }
+};
+module.exports = {
+  getConstructor: function getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
+    var C = wrapper(function (that, iterable) {
+      anInstance(that, C, CONSTRUCTOR_NAME);
+      setInternalState(that, {
+        type: CONSTRUCTOR_NAME,
+        id: id++,
+        frozen: undefined
+      });
+      if (iterable != undefined) iterate(iterable, that[ADDER], that, IS_MAP);
+    });
+    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);
+
+    var define = function define(that, key, value) {
+      var state = getInternalState(that);
+      var data = getWeakData(anObject(key), true);
+      if (data === true) uncaughtFrozenStore(state).set(key, value);else data[state.id] = value;
+      return that;
+    };
+
+    redefineAll(C.prototype, {
+      // 23.3.3.2 WeakMap.prototype.delete(key)
+      // 23.4.3.3 WeakSet.prototype.delete(value)
+      'delete': function _delete(key) {
+        var state = getInternalState(this);
+        if (!isObject(key)) return false;
+        var data = getWeakData(key);
+        if (data === true) return uncaughtFrozenStore(state)['delete'](key);
+        return data && $has(data, state.id) && delete data[state.id];
+      },
+      // 23.3.3.4 WeakMap.prototype.has(key)
+      // 23.4.3.4 WeakSet.prototype.has(value)
+      has: function has(key) {
+        var state = getInternalState(this);
+        if (!isObject(key)) return false;
+        var data = getWeakData(key);
+        if (data === true) return uncaughtFrozenStore(state).has(key);
+        return data && $has(data, state.id);
+      }
+    });
+    redefineAll(C.prototype, IS_MAP ? {
+      // 23.3.3.3 WeakMap.prototype.get(key)
+      get: function get(key) {
+        var state = getInternalState(this);
+
+        if (isObject(key)) {
+          var data = getWeakData(key);
+          if (data === true) return uncaughtFrozenStore(state).get(key);
+          return data ? data[state.id] : undefined;
+        }
+      },
+      // 23.3.3.5 WeakMap.prototype.set(key, value)
+      set: function set(key, value) {
+        return define(this, key, value);
+      }
+    } : {
+      // 23.4.3.1 WeakSet.prototype.add(value)
+      add: function add(value) {
+        return define(this, value, true);
+      }
+    });
+    return C;
+  }
+};
+
+/***/ }),
+/* 300 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var collection = __webpack_require__(295);
+
+var collectionWeak = __webpack_require__(299); // `WeakSet` constructor
+// https://tc39.github.io/ecma262/#sec-weakset-constructor
+
+
+collection('WeakSet', function (init) {
+  return function WeakSet() {
+    return init(this, arguments.length ? arguments[0] : undefined);
+  };
+}, collectionWeak);
+
+/***/ }),
+/* 301 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var arrayBufferModule = __webpack_require__(302);
+
+var setSpecies = __webpack_require__(167);
+
+var ARRAY_BUFFER = 'ArrayBuffer';
+var ArrayBuffer = arrayBufferModule[ARRAY_BUFFER];
+var NativeArrayBuffer = global[ARRAY_BUFFER]; // `ArrayBuffer` constructor
+// https://tc39.github.io/ecma262/#sec-arraybuffer-constructor
+
+$({
+  global: true,
+  forced: NativeArrayBuffer !== ArrayBuffer
+}, {
+  ArrayBuffer: ArrayBuffer
+});
+setSpecies(ARRAY_BUFFER);
+
+/***/ }),
+/* 302 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var global = __webpack_require__(5);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var NATIVE_ARRAY_BUFFER = __webpack_require__(303);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var redefineAll = __webpack_require__(283);
+
+var fails = __webpack_require__(8);
+
+var anInstance = __webpack_require__(284);
+
+var toInteger = __webpack_require__(42);
+
+var toLength = __webpack_require__(41);
+
+var toIndex = __webpack_require__(304);
+
+var IEEE754 = __webpack_require__(305);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var setPrototypeOf = __webpack_require__(112);
+
+var getOwnPropertyNames = __webpack_require__(38).f;
+
+var defineProperty = __webpack_require__(21).f;
+
+var arrayFill = __webpack_require__(143);
+
+var setToStringTag = __webpack_require__(59);
+
+var InternalStateModule = __webpack_require__(27);
+
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var ARRAY_BUFFER = 'ArrayBuffer';
+var DATA_VIEW = 'DataView';
+var PROTOTYPE = 'prototype';
+var WRONG_LENGTH = 'Wrong length';
+var WRONG_INDEX = 'Wrong index';
+var NativeArrayBuffer = global[ARRAY_BUFFER];
+var $ArrayBuffer = NativeArrayBuffer;
+var $DataView = global[DATA_VIEW];
+var $DataViewPrototype = $DataView && $DataView[PROTOTYPE];
+var ObjectPrototype = Object.prototype;
+var RangeError = global.RangeError;
+var packIEEE754 = IEEE754.pack;
+var unpackIEEE754 = IEEE754.unpack;
+
+var packInt8 = function packInt8(number) {
+  return [number & 0xFF];
+};
+
+var packInt16 = function packInt16(number) {
+  return [number & 0xFF, number >> 8 & 0xFF];
+};
+
+var packInt32 = function packInt32(number) {
+  return [number & 0xFF, number >> 8 & 0xFF, number >> 16 & 0xFF, number >> 24 & 0xFF];
+};
+
+var unpackInt32 = function unpackInt32(buffer) {
+  return buffer[3] << 24 | buffer[2] << 16 | buffer[1] << 8 | buffer[0];
+};
+
+var packFloat32 = function packFloat32(number) {
+  return packIEEE754(number, 23, 4);
+};
+
+var packFloat64 = function packFloat64(number) {
+  return packIEEE754(number, 52, 8);
+};
+
+var addGetter = function addGetter(Constructor, key) {
+  defineProperty(Constructor[PROTOTYPE], key, {
+    get: function get() {
+      return getInternalState(this)[key];
+    }
+  });
+};
+
+var get = function get(view, count, index, isLittleEndian) {
+  var intIndex = toIndex(index);
+  var store = getInternalState(view);
+  if (intIndex + count > store.byteLength) throw RangeError(WRONG_INDEX);
+  var bytes = getInternalState(store.buffer).bytes;
+  var start = intIndex + store.byteOffset;
+  var pack = bytes.slice(start, start + count);
+  return isLittleEndian ? pack : pack.reverse();
+};
+
+var set = function set(view, count, index, conversion, value, isLittleEndian) {
+  var intIndex = toIndex(index);
+  var store = getInternalState(view);
+  if (intIndex + count > store.byteLength) throw RangeError(WRONG_INDEX);
+  var bytes = getInternalState(store.buffer).bytes;
+  var start = intIndex + store.byteOffset;
+  var pack = conversion(+value);
+
+  for (var i = 0; i < count; i++) bytes[start + i] = pack[isLittleEndian ? i : count - i - 1];
+};
+
+if (!NATIVE_ARRAY_BUFFER) {
+  $ArrayBuffer = function ArrayBuffer(length) {
+    anInstance(this, $ArrayBuffer, ARRAY_BUFFER);
+    var byteLength = toIndex(length);
+    setInternalState(this, {
+      bytes: arrayFill.call(new Array(byteLength), 0),
+      byteLength: byteLength
+    });
+    if (!DESCRIPTORS) this.byteLength = byteLength;
+  };
+
+  $DataView = function DataView(buffer, byteOffset, byteLength) {
+    anInstance(this, $DataView, DATA_VIEW);
+    anInstance(buffer, $ArrayBuffer, DATA_VIEW);
+    var bufferLength = getInternalState(buffer).byteLength;
+    var offset = toInteger(byteOffset);
+    if (offset < 0 || offset > bufferLength) throw RangeError('Wrong offset');
+    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
+    if (offset + byteLength > bufferLength) throw RangeError(WRONG_LENGTH);
+    setInternalState(this, {
+      buffer: buffer,
+      byteLength: byteLength,
+      byteOffset: offset
+    });
+
+    if (!DESCRIPTORS) {
+      this.buffer = buffer;
+      this.byteLength = byteLength;
+      this.byteOffset = offset;
+    }
+  };
+
+  if (DESCRIPTORS) {
+    addGetter($ArrayBuffer, 'byteLength');
+    addGetter($DataView, 'buffer');
+    addGetter($DataView, 'byteLength');
+    addGetter($DataView, 'byteOffset');
+  }
+
+  redefineAll($DataView[PROTOTYPE], {
+    getInt8: function getInt8(byteOffset) {
+      return get(this, 1, byteOffset)[0] << 24 >> 24;
+    },
+    getUint8: function getUint8(byteOffset) {
+      return get(this, 1, byteOffset)[0];
+    },
+    getInt16: function getInt16(byteOffset
+    /* , littleEndian */
+    ) {
+      var bytes = get(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
+      return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
+    },
+    getUint16: function getUint16(byteOffset
+    /* , littleEndian */
+    ) {
+      var bytes = get(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
+      return bytes[1] << 8 | bytes[0];
+    },
+    getInt32: function getInt32(byteOffset
+    /* , littleEndian */
+    ) {
+      return unpackInt32(get(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined));
+    },
+    getUint32: function getUint32(byteOffset
+    /* , littleEndian */
+    ) {
+      return unpackInt32(get(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined)) >>> 0;
+    },
+    getFloat32: function getFloat32(byteOffset
+    /* , littleEndian */
+    ) {
+      return unpackIEEE754(get(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 23);
+    },
+    getFloat64: function getFloat64(byteOffset
+    /* , littleEndian */
+    ) {
+      return unpackIEEE754(get(this, 8, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 52);
+    },
+    setInt8: function setInt8(byteOffset, value) {
+      set(this, 1, byteOffset, packInt8, value);
+    },
+    setUint8: function setUint8(byteOffset, value) {
+      set(this, 1, byteOffset, packInt8, value);
+    },
+    setInt16: function setInt16(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
+    },
+    setUint16: function setUint16(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
+    },
+    setInt32: function setInt32(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
+    },
+    setUint32: function setUint32(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
+    },
+    setFloat32: function setFloat32(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 4, byteOffset, packFloat32, value, arguments.length > 2 ? arguments[2] : undefined);
+    },
+    setFloat64: function setFloat64(byteOffset, value
+    /* , littleEndian */
+    ) {
+      set(this, 8, byteOffset, packFloat64, value, arguments.length > 2 ? arguments[2] : undefined);
+    }
+  });
+} else {
+  if (!fails(function () {
+    NativeArrayBuffer(1);
+  }) || !fails(function () {
+    new NativeArrayBuffer(-1); // eslint-disable-line no-new
+  }) || fails(function () {
+    new NativeArrayBuffer(); // eslint-disable-line no-new
+
+    new NativeArrayBuffer(1.5); // eslint-disable-line no-new
+
+    new NativeArrayBuffer(NaN); // eslint-disable-line no-new
+
+    return NativeArrayBuffer.name != ARRAY_BUFFER;
+  })) {
+    $ArrayBuffer = function ArrayBuffer(length) {
+      anInstance(this, $ArrayBuffer);
+      return new NativeArrayBuffer(toIndex(length));
+    };
+
+    var ArrayBufferPrototype = $ArrayBuffer[PROTOTYPE] = NativeArrayBuffer[PROTOTYPE];
+
+    for (var keys = getOwnPropertyNames(NativeArrayBuffer), j = 0, key; keys.length > j;) {
+      if (!((key = keys[j++]) in $ArrayBuffer)) {
+        createNonEnumerableProperty($ArrayBuffer, key, NativeArrayBuffer[key]);
+      }
+    }
+
+    ArrayBufferPrototype.constructor = $ArrayBuffer;
+  } // WebKit bug - the same parent prototype for typed arrays and data view
+
+
+  if (setPrototypeOf && getPrototypeOf($DataViewPrototype) !== ObjectPrototype) {
+    setPrototypeOf($DataViewPrototype, ObjectPrototype);
+  } // iOS Safari 7.x bug
+
+
+  var testView = new $DataView(new $ArrayBuffer(2));
+  var nativeSetInt8 = $DataViewPrototype.setInt8;
+  testView.setInt8(0, 2147483648);
+  testView.setInt8(1, 2147483649);
+  if (testView.getInt8(0) || !testView.getInt8(1)) redefineAll($DataViewPrototype, {
+    setInt8: function setInt8(byteOffset, value) {
+      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
+    },
+    setUint8: function setUint8(byteOffset, value) {
+      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
+    }
+  }, {
+    unsafe: true
+  });
+}
+
+setToStringTag($ArrayBuffer, ARRAY_BUFFER);
+setToStringTag($DataView, DATA_VIEW);
+module.exports = {
+  ArrayBuffer: $ArrayBuffer,
+  DataView: $DataView
+};
+
+/***/ }),
+/* 303 */
+/***/ (function(module, exports) {
+
+module.exports = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';
+
+/***/ }),
+/* 304 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toInteger = __webpack_require__(42);
+
+var toLength = __webpack_require__(41); // `ToIndex` abstract operation
+// https://tc39.github.io/ecma262/#sec-toindex
+
+
+module.exports = function (it) {
+  if (it === undefined) return 0;
+  var number = toInteger(it);
+  var length = toLength(number);
+  if (number !== length) throw RangeError('Wrong length or index');
+  return length;
+};
+
+/***/ }),
+/* 305 */
+/***/ (function(module, exports) {
+
+// IEEE754 conversions based on https://github.com/feross/ieee754
+// eslint-disable-next-line no-shadow-restricted-names
+var Infinity = 1 / 0;
+var abs = Math.abs;
+var pow = Math.pow;
+var floor = Math.floor;
+var log = Math.log;
+var LN2 = Math.LN2;
+
+var pack = function pack(number, mantissaLength, bytes) {
+  var buffer = new Array(bytes);
+  var exponentLength = bytes * 8 - mantissaLength - 1;
+  var eMax = (1 << exponentLength) - 1;
+  var eBias = eMax >> 1;
+  var rt = mantissaLength === 23 ? pow(2, -24) - pow(2, -77) : 0;
+  var sign = number < 0 || number === 0 && 1 / number < 0 ? 1 : 0;
+  var index = 0;
+  var exponent, mantissa, c;
+  number = abs(number); // eslint-disable-next-line no-self-compare
+
+  if (number != number || number === Infinity) {
+    // eslint-disable-next-line no-self-compare
+    mantissa = number != number ? 1 : 0;
+    exponent = eMax;
+  } else {
+    exponent = floor(log(number) / LN2);
+
+    if (number * (c = pow(2, -exponent)) < 1) {
+      exponent--;
+      c *= 2;
+    }
+
+    if (exponent + eBias >= 1) {
+      number += rt / c;
+    } else {
+      number += rt * pow(2, 1 - eBias);
+    }
+
+    if (number * c >= 2) {
+      exponent++;
+      c /= 2;
+    }
+
+    if (exponent + eBias >= eMax) {
+      mantissa = 0;
+      exponent = eMax;
+    } else if (exponent + eBias >= 1) {
+      mantissa = (number * c - 1) * pow(2, mantissaLength);
+      exponent = exponent + eBias;
+    } else {
+      mantissa = number * pow(2, eBias - 1) * pow(2, mantissaLength);
+      exponent = 0;
+    }
+  }
+
+  for (; mantissaLength >= 8; buffer[index++] = mantissa & 255, mantissa /= 256, mantissaLength -= 8);
+
+  exponent = exponent << mantissaLength | mantissa;
+  exponentLength += mantissaLength;
+
+  for (; exponentLength > 0; buffer[index++] = exponent & 255, exponent /= 256, exponentLength -= 8);
+
+  buffer[--index] |= sign * 128;
+  return buffer;
+};
+
+var unpack = function unpack(buffer, mantissaLength) {
+  var bytes = buffer.length;
+  var exponentLength = bytes * 8 - mantissaLength - 1;
+  var eMax = (1 << exponentLength) - 1;
+  var eBias = eMax >> 1;
+  var nBits = exponentLength - 7;
+  var index = bytes - 1;
+  var sign = buffer[index--];
+  var exponent = sign & 127;
+  var mantissa;
+  sign >>= 7;
+
+  for (; nBits > 0; exponent = exponent * 256 + buffer[index], index--, nBits -= 8);
+
+  mantissa = exponent & (1 << -nBits) - 1;
+  exponent >>= -nBits;
+  nBits += mantissaLength;
+
+  for (; nBits > 0; mantissa = mantissa * 256 + buffer[index], index--, nBits -= 8);
+
+  if (exponent === 0) {
+    exponent = 1 - eBias;
+  } else if (exponent === eMax) {
+    return mantissa ? NaN : sign ? -Infinity : Infinity;
+  } else {
+    mantissa = mantissa + pow(2, mantissaLength);
+    exponent = exponent - eBias;
+  }
+
+  return (sign ? -1 : 1) * mantissa * pow(2, exponent - mantissaLength);
+};
+
+module.exports = {
+  pack: pack,
+  unpack: unpack
+};
+
+/***/ }),
+/* 306 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var NATIVE_ARRAY_BUFFER_VIEWS = ArrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS; // `ArrayBuffer.isView` method
+// https://tc39.github.io/ecma262/#sec-arraybuffer.isview
+
+$({
+  target: 'ArrayBuffer',
+  stat: true,
+  forced: !NATIVE_ARRAY_BUFFER_VIEWS
+}, {
+  isView: ArrayBufferViewCore.isView
+});
+
+/***/ }),
+/* 307 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var NATIVE_ARRAY_BUFFER = __webpack_require__(303);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var global = __webpack_require__(5);
+
+var isObject = __webpack_require__(16);
+
+var has = __webpack_require__(17);
+
+var classof = __webpack_require__(93);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var redefine = __webpack_require__(23);
+
+var defineProperty = __webpack_require__(21).f;
+
+var getPrototypeOf = __webpack_require__(101);
+
+var setPrototypeOf = __webpack_require__(112);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var uid = __webpack_require__(32);
+
+var Int8Array = global.Int8Array;
+var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
+var Uint8ClampedArray = global.Uint8ClampedArray;
+var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
+var TypedArray = Int8Array && getPrototypeOf(Int8Array);
+var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
+var ObjectPrototype = Object.prototype;
+var isPrototypeOf = ObjectPrototype.isPrototypeOf;
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG'); // Fixing native typed arrays in Opera Presto crashes the browser, see #595
+
+var NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';
+var TYPED_ARRAY_TAG_REQIRED = false;
+var NAME;
+var TypedArrayConstructorsList = {
+  Int8Array: 1,
+  Uint8Array: 1,
+  Uint8ClampedArray: 1,
+  Int16Array: 2,
+  Uint16Array: 2,
+  Int32Array: 4,
+  Uint32Array: 4,
+  Float32Array: 4,
+  Float64Array: 8
+};
+
+var isView = function isView(it) {
+  var klass = classof(it);
+  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
+};
+
+var isTypedArray = function isTypedArray(it) {
+  return isObject(it) && has(TypedArrayConstructorsList, classof(it));
+};
+
+var aTypedArray = function aTypedArray(it) {
+  if (isTypedArray(it)) return it;
+  throw TypeError('Target is not a typed array');
+};
+
+var aTypedArrayConstructor = function aTypedArrayConstructor(C) {
+  if (setPrototypeOf) {
+    if (isPrototypeOf.call(TypedArray, C)) return C;
+  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME)) {
+    var TypedArrayConstructor = global[ARRAY];
+
+    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
+      return C;
+    }
+  }
+
+  throw TypeError('Target is not a typed array constructor');
+};
+
+var exportTypedArrayMethod = function exportTypedArrayMethod(KEY, property, forced) {
+  if (!DESCRIPTORS) return;
+  if (forced) for (var ARRAY in TypedArrayConstructorsList) {
+    var TypedArrayConstructor = global[ARRAY];
+
+    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
+      delete TypedArrayConstructor.prototype[KEY];
+    }
+  }
+
+  if (!TypedArrayPrototype[KEY] || forced) {
+    redefine(TypedArrayPrototype, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
+  }
+};
+
+var exportTypedArrayStaticMethod = function exportTypedArrayStaticMethod(KEY, property, forced) {
+  var ARRAY, TypedArrayConstructor;
+  if (!DESCRIPTORS) return;
+
+  if (setPrototypeOf) {
+    if (forced) for (ARRAY in TypedArrayConstructorsList) {
+      TypedArrayConstructor = global[ARRAY];
+
+      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
+        delete TypedArrayConstructor[KEY];
+      }
+    }
+
+    if (!TypedArray[KEY] || forced) {
+      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable
+      try {
+        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array[KEY] || property);
+      } catch (error) {
+        /* empty */
+      }
+    } else return;
+  }
+
+  for (ARRAY in TypedArrayConstructorsList) {
+    TypedArrayConstructor = global[ARRAY];
+
+    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
+      redefine(TypedArrayConstructor, KEY, property);
+    }
+  }
+};
+
+for (NAME in TypedArrayConstructorsList) {
+  if (!global[NAME]) NATIVE_ARRAY_BUFFER_VIEWS = false;
+} // WebKit bug - typed arrays constructors prototype is Object.prototype
+
+
+if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
+  // eslint-disable-next-line no-shadow
+  TypedArray = function TypedArray() {
+    throw TypeError('Incorrect invocation');
+  };
+
+  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {
+    if (global[NAME]) setPrototypeOf(global[NAME], TypedArray);
+  }
+}
+
+if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {
+  TypedArrayPrototype = TypedArray.prototype;
+  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {
+    if (global[NAME]) setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);
+  }
+} // WebKit bug - one more object in Uint8ClampedArray prototype chain
+
+
+if (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
+  setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
+}
+
+if (DESCRIPTORS && !has(TypedArrayPrototype, TO_STRING_TAG)) {
+  TYPED_ARRAY_TAG_REQIRED = true;
+  defineProperty(TypedArrayPrototype, TO_STRING_TAG, {
+    get: function get() {
+      return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
+    }
+  });
+
+  for (NAME in TypedArrayConstructorsList) if (global[NAME]) {
+    createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);
+  }
+}
+
+module.exports = {
+  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
+  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
+  aTypedArray: aTypedArray,
+  aTypedArrayConstructor: aTypedArrayConstructor,
+  exportTypedArrayMethod: exportTypedArrayMethod,
+  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
+  isView: isView,
+  isTypedArray: isTypedArray,
+  TypedArray: TypedArray,
+  TypedArrayPrototype: TypedArrayPrototype
+};
+
+/***/ }),
+/* 308 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var fails = __webpack_require__(8);
+
+var ArrayBufferModule = __webpack_require__(302);
+
+var anObject = __webpack_require__(22);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var toLength = __webpack_require__(41);
+
+var speciesConstructor = __webpack_require__(192);
+
+var ArrayBuffer = ArrayBufferModule.ArrayBuffer;
+var DataView = ArrayBufferModule.DataView;
+var nativeArrayBufferSlice = ArrayBuffer.prototype.slice;
+var INCORRECT_SLICE = fails(function () {
+  return !new ArrayBuffer(2).slice(1, undefined).byteLength;
+}); // `ArrayBuffer.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-arraybuffer.prototype.slice
+
+$({
+  target: 'ArrayBuffer',
+  proto: true,
+  unsafe: true,
+  forced: INCORRECT_SLICE
+}, {
+  slice: function slice(start, end) {
+    if (nativeArrayBufferSlice !== undefined && end === undefined) {
+      return nativeArrayBufferSlice.call(anObject(this), start); // FF fix
+    }
+
+    var length = anObject(this).byteLength;
+    var first = toAbsoluteIndex(start, length);
+    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
+    var result = new (speciesConstructor(this, ArrayBuffer))(toLength(fin - first));
+    var viewSource = new DataView(this);
+    var viewTarget = new DataView(result);
+    var index = 0;
+
+    while (first < fin) {
+      viewTarget.setUint8(index++, viewSource.getUint8(first++));
+    }
+
+    return result;
+  }
+});
+
+/***/ }),
+/* 309 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var ArrayBufferModule = __webpack_require__(302);
+
+var NATIVE_ARRAY_BUFFER = __webpack_require__(303); // `DataView` constructor
+// https://tc39.github.io/ecma262/#sec-dataview-constructor
+
+
+$({
+  global: true,
+  forced: !NATIVE_ARRAY_BUFFER
+}, {
+  DataView: ArrayBufferModule.DataView
+});
+
+/***/ }),
+/* 310 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Int8Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Int8', function (init) {
+  return function Int8Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 311 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS = __webpack_require__(312);
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var ArrayBufferModule = __webpack_require__(302);
+
+var anInstance = __webpack_require__(284);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var toLength = __webpack_require__(41);
+
+var toIndex = __webpack_require__(304);
+
+var toOffset = __webpack_require__(313);
+
+var toPrimitive = __webpack_require__(15);
+
+var has = __webpack_require__(17);
+
+var classof = __webpack_require__(93);
+
+var isObject = __webpack_require__(16);
+
+var create = __webpack_require__(51);
+
+var setPrototypeOf = __webpack_require__(112);
+
+var getOwnPropertyNames = __webpack_require__(38).f;
+
+var typedArrayFrom = __webpack_require__(315);
+
+var forEach = __webpack_require__(60).forEach;
+
+var setSpecies = __webpack_require__(167);
+
+var definePropertyModule = __webpack_require__(21);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var InternalStateModule = __webpack_require__(27);
+
+var inheritIfRequired = __webpack_require__(226);
+
+var getInternalState = InternalStateModule.get;
+var setInternalState = InternalStateModule.set;
+var nativeDefineProperty = definePropertyModule.f;
+var nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
+var round = Math.round;
+var RangeError = global.RangeError;
+var ArrayBuffer = ArrayBufferModule.ArrayBuffer;
+var DataView = ArrayBufferModule.DataView;
+var NATIVE_ARRAY_BUFFER_VIEWS = ArrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;
+var TYPED_ARRAY_TAG = ArrayBufferViewCore.TYPED_ARRAY_TAG;
+var TypedArray = ArrayBufferViewCore.TypedArray;
+var TypedArrayPrototype = ArrayBufferViewCore.TypedArrayPrototype;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var isTypedArray = ArrayBufferViewCore.isTypedArray;
+var BYTES_PER_ELEMENT = 'BYTES_PER_ELEMENT';
+var WRONG_LENGTH = 'Wrong length';
+
+var fromList = function fromList(C, list) {
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+
+  while (length > index) result[index] = list[index++];
+
+  return result;
+};
+
+var addGetter = function addGetter(it, key) {
+  nativeDefineProperty(it, key, {
+    get: function get() {
+      return getInternalState(this)[key];
+    }
+  });
+};
+
+var isArrayBuffer = function isArrayBuffer(it) {
+  var klass;
+  return it instanceof ArrayBuffer || (klass = classof(it)) == 'ArrayBuffer' || klass == 'SharedArrayBuffer';
+};
+
+var isTypedArrayIndex = function isTypedArrayIndex(target, key) {
+  return isTypedArray(target) && typeof key != 'symbol' && key in target && String(+key) == String(key);
+};
+
+var wrappedGetOwnPropertyDescriptor = function getOwnPropertyDescriptor(target, key) {
+  return isTypedArrayIndex(target, key = toPrimitive(key, true)) ? createPropertyDescriptor(2, target[key]) : nativeGetOwnPropertyDescriptor(target, key);
+};
+
+var wrappedDefineProperty = function defineProperty(target, key, descriptor) {
+  if (isTypedArrayIndex(target, key = toPrimitive(key, true)) && isObject(descriptor) && has(descriptor, 'value') && !has(descriptor, 'get') && !has(descriptor, 'set') // TODO: add validation descriptor w/o calling accessors
+  && !descriptor.configurable && (!has(descriptor, 'writable') || descriptor.writable) && (!has(descriptor, 'enumerable') || descriptor.enumerable)) {
+    target[key] = descriptor.value;
+    return target;
+  }
+
+  return nativeDefineProperty(target, key, descriptor);
+};
+
+if (DESCRIPTORS) {
+  if (!NATIVE_ARRAY_BUFFER_VIEWS) {
+    getOwnPropertyDescriptorModule.f = wrappedGetOwnPropertyDescriptor;
+    definePropertyModule.f = wrappedDefineProperty;
+    addGetter(TypedArrayPrototype, 'buffer');
+    addGetter(TypedArrayPrototype, 'byteOffset');
+    addGetter(TypedArrayPrototype, 'byteLength');
+    addGetter(TypedArrayPrototype, 'length');
+  }
+
+  $({
+    target: 'Object',
+    stat: true,
+    forced: !NATIVE_ARRAY_BUFFER_VIEWS
+  }, {
+    getOwnPropertyDescriptor: wrappedGetOwnPropertyDescriptor,
+    defineProperty: wrappedDefineProperty
+  });
+
+  module.exports = function (TYPE, wrapper, CLAMPED) {
+    var BYTES = TYPE.match(/\d+$/)[0] / 8;
+    var CONSTRUCTOR_NAME = TYPE + (CLAMPED ? 'Clamped' : '') + 'Array';
+    var GETTER = 'get' + TYPE;
+    var SETTER = 'set' + TYPE;
+    var NativeTypedArrayConstructor = global[CONSTRUCTOR_NAME];
+    var TypedArrayConstructor = NativeTypedArrayConstructor;
+    var TypedArrayConstructorPrototype = TypedArrayConstructor && TypedArrayConstructor.prototype;
+    var exported = {};
+
+    var getter = function getter(that, index) {
+      var data = getInternalState(that);
+      return data.view[GETTER](index * BYTES + data.byteOffset, true);
+    };
+
+    var setter = function setter(that, index, value) {
+      var data = getInternalState(that);
+      if (CLAMPED) value = (value = round(value)) < 0 ? 0 : value > 0xFF ? 0xFF : value & 0xFF;
+      data.view[SETTER](index * BYTES + data.byteOffset, value, true);
+    };
+
+    var addElement = function addElement(that, index) {
+      nativeDefineProperty(that, index, {
+        get: function get() {
+          return getter(this, index);
+        },
+        set: function set(value) {
+          return setter(this, index, value);
+        },
+        enumerable: true
+      });
+    };
+
+    if (!NATIVE_ARRAY_BUFFER_VIEWS) {
+      TypedArrayConstructor = wrapper(function (that, data, offset, $length) {
+        anInstance(that, TypedArrayConstructor, CONSTRUCTOR_NAME);
+        var index = 0;
+        var byteOffset = 0;
+        var buffer, byteLength, length;
+
+        if (!isObject(data)) {
+          length = toIndex(data);
+          byteLength = length * BYTES;
+          buffer = new ArrayBuffer(byteLength);
+        } else if (isArrayBuffer(data)) {
+          buffer = data;
+          byteOffset = toOffset(offset, BYTES);
+          var $len = data.byteLength;
+
+          if ($length === undefined) {
+            if ($len % BYTES) throw RangeError(WRONG_LENGTH);
+            byteLength = $len - byteOffset;
+            if (byteLength < 0) throw RangeError(WRONG_LENGTH);
+          } else {
+            byteLength = toLength($length) * BYTES;
+            if (byteLength + byteOffset > $len) throw RangeError(WRONG_LENGTH);
+          }
+
+          length = byteLength / BYTES;
+        } else if (isTypedArray(data)) {
+          return fromList(TypedArrayConstructor, data);
+        } else {
+          return typedArrayFrom.call(TypedArrayConstructor, data);
+        }
+
+        setInternalState(that, {
+          buffer: buffer,
+          byteOffset: byteOffset,
+          byteLength: byteLength,
+          length: length,
+          view: new DataView(buffer)
+        });
+
+        while (index < length) addElement(that, index++);
+      });
+      if (setPrototypeOf) setPrototypeOf(TypedArrayConstructor, TypedArray);
+      TypedArrayConstructorPrototype = TypedArrayConstructor.prototype = create(TypedArrayPrototype);
+    } else if (TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS) {
+      TypedArrayConstructor = wrapper(function (dummy, data, typedArrayOffset, $length) {
+        anInstance(dummy, TypedArrayConstructor, CONSTRUCTOR_NAME);
+        return inheritIfRequired(function () {
+          if (!isObject(data)) return new NativeTypedArrayConstructor(toIndex(data));
+          if (isArrayBuffer(data)) return $length !== undefined ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES), $length) : typedArrayOffset !== undefined ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES)) : new NativeTypedArrayConstructor(data);
+          if (isTypedArray(data)) return fromList(TypedArrayConstructor, data);
+          return typedArrayFrom.call(TypedArrayConstructor, data);
+        }(), dummy, TypedArrayConstructor);
+      });
+      if (setPrototypeOf) setPrototypeOf(TypedArrayConstructor, TypedArray);
+      forEach(getOwnPropertyNames(NativeTypedArrayConstructor), function (key) {
+        if (!(key in TypedArrayConstructor)) {
+          createNonEnumerableProperty(TypedArrayConstructor, key, NativeTypedArrayConstructor[key]);
+        }
+      });
+      TypedArrayConstructor.prototype = TypedArrayConstructorPrototype;
+    }
+
+    if (TypedArrayConstructorPrototype.constructor !== TypedArrayConstructor) {
+      createNonEnumerableProperty(TypedArrayConstructorPrototype, 'constructor', TypedArrayConstructor);
+    }
+
+    if (TYPED_ARRAY_TAG) {
+      createNonEnumerableProperty(TypedArrayConstructorPrototype, TYPED_ARRAY_TAG, CONSTRUCTOR_NAME);
+    }
+
+    exported[CONSTRUCTOR_NAME] = TypedArrayConstructor;
+    $({
+      global: true,
+      forced: TypedArrayConstructor != NativeTypedArrayConstructor,
+      sham: !NATIVE_ARRAY_BUFFER_VIEWS
+    }, exported);
+
+    if (!(BYTES_PER_ELEMENT in TypedArrayConstructor)) {
+      createNonEnumerableProperty(TypedArrayConstructor, BYTES_PER_ELEMENT, BYTES);
+    }
+
+    if (!(BYTES_PER_ELEMENT in TypedArrayConstructorPrototype)) {
+      createNonEnumerableProperty(TypedArrayConstructorPrototype, BYTES_PER_ELEMENT, BYTES);
+    }
+
+    setSpecies(CONSTRUCTOR_NAME);
+  };
+} else module.exports = function () {
+  /* empty */
+};
+
+/***/ }),
+/* 312 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* eslint-disable no-new */
+var global = __webpack_require__(5);
+
+var fails = __webpack_require__(8);
+
+var checkCorrectnessOfIteration = __webpack_require__(129);
+
+var NATIVE_ARRAY_BUFFER_VIEWS = __webpack_require__(307).NATIVE_ARRAY_BUFFER_VIEWS;
+
+var ArrayBuffer = global.ArrayBuffer;
+var Int8Array = global.Int8Array;
+module.exports = !NATIVE_ARRAY_BUFFER_VIEWS || !fails(function () {
+  Int8Array(1);
+}) || !fails(function () {
+  new Int8Array(-1);
+}) || !checkCorrectnessOfIteration(function (iterable) {
+  new Int8Array();
+  new Int8Array(null);
+  new Int8Array(1.5);
+  new Int8Array(iterable);
+}, true) || fails(function () {
+  // Safari (11+) bug - a reason why even Safari 13 should load a typed array polyfill
+  return new Int8Array(new ArrayBuffer(2), 1, undefined).length !== 1;
+});
+
+/***/ }),
+/* 313 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toPositiveInteger = __webpack_require__(314);
+
+module.exports = function (it, BYTES) {
+  var offset = toPositiveInteger(it);
+  if (offset % BYTES) throw RangeError('Wrong offset');
+  return offset;
+};
+
+/***/ }),
+/* 314 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toInteger = __webpack_require__(42);
+
+module.exports = function (it) {
+  var result = toInteger(it);
+  if (result < 0) throw RangeError("The argument can't be less than 0");
+  return result;
+};
+
+/***/ }),
+/* 315 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var toObject = __webpack_require__(50);
+
+var toLength = __webpack_require__(41);
+
+var getIteratorMethod = __webpack_require__(92);
+
+var isArrayIteratorMethod = __webpack_require__(90);
+
+var bind = __webpack_require__(61);
+
+var aTypedArrayConstructor = __webpack_require__(307).aTypedArrayConstructor;
+
+module.exports = function from(source
+/* , mapfn, thisArg */
+) {
+  var O = toObject(source);
+  var argumentsLength = arguments.length;
+  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
+  var mapping = mapfn !== undefined;
+  var iteratorMethod = getIteratorMethod(O);
+  var i, length, result, step, iterator, next;
+
+  if (iteratorMethod != undefined && !isArrayIteratorMethod(iteratorMethod)) {
+    iterator = iteratorMethod.call(O);
+    next = iterator.next;
+    O = [];
+
+    while (!(step = next.call(iterator)).done) {
+      O.push(step.value);
+    }
+  }
+
+  if (mapping && argumentsLength > 2) {
+    mapfn = bind(mapfn, arguments[2], 2);
+  }
+
+  length = toLength(O.length);
+  result = new (aTypedArrayConstructor(this))(length);
+
+  for (i = 0; length > i; i++) {
+    result[i] = mapping ? mapfn(O[i], i) : O[i];
+  }
+
+  return result;
+};
+
+/***/ }),
+/* 316 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Uint8Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Uint8', function (init) {
+  return function Uint8Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 317 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Uint8ClampedArray` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Uint8', function (init) {
+  return function Uint8ClampedArray(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+}, true);
+
+/***/ }),
+/* 318 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Int16Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Int16', function (init) {
+  return function Int16Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 319 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Uint16Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Uint16', function (init) {
+  return function Uint16Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 320 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Int32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Int32', function (init) {
+  return function Int32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 321 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Uint32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Uint32', function (init) {
+  return function Uint32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 322 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Float32Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Float32', function (init) {
+  return function Float32Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 323 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var createTypedArrayConstructor = __webpack_require__(311); // `Float64Array` constructor
+// https://tc39.github.io/ecma262/#sec-typedarray-objects
+
+
+createTypedArrayConstructor('Float64', function (init) {
+  return function Float64Array(data, byteOffset, length) {
+    return init(this, data, byteOffset, length);
+  };
+});
+
+/***/ }),
+/* 324 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS = __webpack_require__(312);
+
+var exportTypedArrayStaticMethod = __webpack_require__(307).exportTypedArrayStaticMethod;
+
+var typedArrayFrom = __webpack_require__(315); // `%TypedArray%.from` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.from
+
+
+exportTypedArrayStaticMethod('from', typedArrayFrom, TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS);
+
+/***/ }),
+/* 325 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS = __webpack_require__(312);
+
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayStaticMethod = ArrayBufferViewCore.exportTypedArrayStaticMethod; // `%TypedArray%.of` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.of
+
+exportTypedArrayStaticMethod('of', function of()
+/* ...items */
+{
+  var index = 0;
+  var length = arguments.length;
+  var result = new (aTypedArrayConstructor(this))(length);
+
+  while (length > index) result[index] = arguments[index++];
+
+  return result;
+}, TYPED_ARRAYS_CONSTRUCTORS_REQUIRES_WRAPPERS);
+
+/***/ }),
+/* 326 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $copyWithin = __webpack_require__(137);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.copyWithin` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.copywithin
+
+exportTypedArrayMethod('copyWithin', function copyWithin(target, start
+/* , end */
+) {
+  return $copyWithin.call(aTypedArray(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
+});
+
+/***/ }),
+/* 327 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $every = __webpack_require__(60).every;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.every` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.every
+
+exportTypedArrayMethod('every', function every(callbackfn
+/* , thisArg */
+) {
+  return $every(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 328 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $fill = __webpack_require__(143);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.fill` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.fill
+// eslint-disable-next-line no-unused-vars
+
+exportTypedArrayMethod('fill', function fill(value
+/* , start, end */
+) {
+  return $fill.apply(aTypedArray(this), arguments);
+});
+
+/***/ }),
+/* 329 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $filter = __webpack_require__(60).filter;
+
+var speciesConstructor = __webpack_require__(192);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.filter` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.filter
+
+exportTypedArrayMethod('filter', function filter(callbackfn
+/* , thisArg */
+) {
+  var list = $filter(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+  var C = speciesConstructor(this, this.constructor);
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+
+  while (length > index) result[index] = list[index++];
+
+  return result;
+});
+
+/***/ }),
+/* 330 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $find = __webpack_require__(60).find;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.find` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.find
+
+exportTypedArrayMethod('find', function find(predicate
+/* , thisArg */
+) {
+  return $find(aTypedArray(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 331 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $findIndex = __webpack_require__(60).findIndex;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.findIndex` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.findindex
+
+exportTypedArrayMethod('findIndex', function findIndex(predicate
+/* , thisArg */
+) {
+  return $findIndex(aTypedArray(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 332 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $forEach = __webpack_require__(60).forEach;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.forEach` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.foreach
+
+exportTypedArrayMethod('forEach', function forEach(callbackfn
+/* , thisArg */
+) {
+  $forEach(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 333 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $includes = __webpack_require__(40).includes;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.includes` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.includes
+
+exportTypedArrayMethod('includes', function includes(searchElement
+/* , fromIndex */
+) {
+  return $includes(aTypedArray(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 334 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $indexOf = __webpack_require__(40).indexOf;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.indexOf` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.indexof
+
+exportTypedArrayMethod('indexOf', function indexOf(searchElement
+/* , fromIndex */
+) {
+  return $indexOf(aTypedArray(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 335 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var global = __webpack_require__(5);
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var ArrayIterators = __webpack_require__(170);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var ITERATOR = wellKnownSymbol('iterator');
+var Uint8Array = global.Uint8Array;
+var arrayValues = ArrayIterators.values;
+var arrayKeys = ArrayIterators.keys;
+var arrayEntries = ArrayIterators.entries;
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var nativeTypedArrayIterator = Uint8Array && Uint8Array.prototype[ITERATOR];
+var CORRECT_ITER_NAME = !!nativeTypedArrayIterator && (nativeTypedArrayIterator.name == 'values' || nativeTypedArrayIterator.name == undefined);
+
+var typedArrayValues = function values() {
+  return arrayValues.call(aTypedArray(this));
+}; // `%TypedArray%.prototype.entries` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.entries
+
+
+exportTypedArrayMethod('entries', function entries() {
+  return arrayEntries.call(aTypedArray(this));
+}); // `%TypedArray%.prototype.keys` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.keys
+
+exportTypedArrayMethod('keys', function keys() {
+  return arrayKeys.call(aTypedArray(this));
+}); // `%TypedArray%.prototype.values` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.values
+
+exportTypedArrayMethod('values', typedArrayValues, !CORRECT_ITER_NAME); // `%TypedArray%.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype-@@iterator
+
+exportTypedArrayMethod(ITERATOR, typedArrayValues, !CORRECT_ITER_NAME);
+
+/***/ }),
+/* 336 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $join = [].join; // `%TypedArray%.prototype.join` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.join
+// eslint-disable-next-line no-unused-vars
+
+exportTypedArrayMethod('join', function join(separator) {
+  return $join.apply(aTypedArray(this), arguments);
+});
+
+/***/ }),
+/* 337 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $lastIndexOf = __webpack_require__(156);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.lastIndexOf` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.lastindexof
+// eslint-disable-next-line no-unused-vars
+
+exportTypedArrayMethod('lastIndexOf', function lastIndexOf(searchElement
+/* , fromIndex */
+) {
+  return $lastIndexOf.apply(aTypedArray(this), arguments);
+});
+
+/***/ }),
+/* 338 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $map = __webpack_require__(60).map;
+
+var speciesConstructor = __webpack_require__(192);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.map` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.map
+
+exportTypedArrayMethod('map', function map(mapfn
+/* , thisArg */
+) {
+  return $map(aTypedArray(this), mapfn, arguments.length > 1 ? arguments[1] : undefined, function (O, length) {
+    return new (aTypedArrayConstructor(speciesConstructor(O, O.constructor)))(length);
+  });
+});
+
+/***/ }),
+/* 339 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $reduce = __webpack_require__(159).left;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.reduce` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduce
+
+exportTypedArrayMethod('reduce', function reduce(callbackfn
+/* , initialValue */
+) {
+  return $reduce(aTypedArray(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 340 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $reduceRight = __webpack_require__(159).right;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.reduceRicht` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduceright
+
+exportTypedArrayMethod('reduceRight', function reduceRight(callbackfn
+/* , initialValue */
+) {
+  return $reduceRight(aTypedArray(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 341 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var floor = Math.floor; // `%TypedArray%.prototype.reverse` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reverse
+
+exportTypedArrayMethod('reverse', function reverse() {
+  var that = this;
+  var length = aTypedArray(that).length;
+  var middle = floor(length / 2);
+  var index = 0;
+  var value;
+
+  while (index < middle) {
+    value = that[index];
+    that[index++] = that[--length];
+    that[length] = value;
+  }
+
+  return that;
+});
+
+/***/ }),
+/* 342 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var toLength = __webpack_require__(41);
+
+var toOffset = __webpack_require__(313);
+
+var toObject = __webpack_require__(50);
+
+var fails = __webpack_require__(8);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var FORCED = fails(function () {
+  // eslint-disable-next-line no-undef
+  new Int8Array(1).set({});
+}); // `%TypedArray%.prototype.set` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.set
+
+exportTypedArrayMethod('set', function set(arrayLike
+/* , offset */
+) {
+  aTypedArray(this);
+  var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
+  var length = this.length;
+  var src = toObject(arrayLike);
+  var len = toLength(src.length);
+  var index = 0;
+  if (len + offset > length) throw RangeError('Wrong length');
+
+  while (index < len) this[offset + index] = src[index++];
+}, FORCED);
+
+/***/ }),
+/* 343 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var speciesConstructor = __webpack_require__(192);
+
+var fails = __webpack_require__(8);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $slice = [].slice;
+var FORCED = fails(function () {
+  // eslint-disable-next-line no-undef
+  new Int8Array(1).slice();
+}); // `%TypedArray%.prototype.slice` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice
+
+exportTypedArrayMethod('slice', function slice(start, end) {
+  var list = $slice.call(aTypedArray(this), start, end);
+  var C = speciesConstructor(this, this.constructor);
+  var index = 0;
+  var length = list.length;
+  var result = new (aTypedArrayConstructor(C))(length);
+
+  while (length > index) result[index] = list[index++];
+
+  return result;
+}, FORCED);
+
+/***/ }),
+/* 344 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var $some = __webpack_require__(60).some;
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.some` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.some
+
+exportTypedArrayMethod('some', function some(callbackfn
+/* , thisArg */
+) {
+  return $some(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
+});
+
+/***/ }),
+/* 345 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $sort = [].sort; // `%TypedArray%.prototype.sort` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.sort
+
+exportTypedArrayMethod('sort', function sort(comparefn) {
+  return $sort.call(aTypedArray(this), comparefn);
+});
+
+/***/ }),
+/* 346 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var toLength = __webpack_require__(41);
+
+var toAbsoluteIndex = __webpack_require__(43);
+
+var speciesConstructor = __webpack_require__(192);
+
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; // `%TypedArray%.prototype.subarray` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.subarray
+
+exportTypedArrayMethod('subarray', function subarray(begin, end) {
+  var O = aTypedArray(this);
+  var length = O.length;
+  var beginIndex = toAbsoluteIndex(begin, length);
+  return new (speciesConstructor(O, O.constructor))(O.buffer, O.byteOffset + beginIndex * O.BYTES_PER_ELEMENT, toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - beginIndex));
+});
+
+/***/ }),
+/* 347 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var global = __webpack_require__(5);
+
+var ArrayBufferViewCore = __webpack_require__(307);
+
+var fails = __webpack_require__(8);
+
+var Int8Array = global.Int8Array;
+var aTypedArray = ArrayBufferViewCore.aTypedArray;
+var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
+var $toLocaleString = [].toLocaleString;
+var $slice = [].slice; // iOS Safari 6.x fails here
+
+var TO_LOCALE_STRING_BUG = !!Int8Array && fails(function () {
+  $toLocaleString.call(new Int8Array(1));
+});
+var FORCED = fails(function () {
+  return [1, 2].toLocaleString() != new Int8Array([1, 2]).toLocaleString();
+}) || !fails(function () {
+  Int8Array.prototype.toLocaleString.call([1, 2]);
+}); // `%TypedArray%.prototype.toLocaleString` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tolocalestring
+
+exportTypedArrayMethod('toLocaleString', function toLocaleString() {
+  return $toLocaleString.apply(TO_LOCALE_STRING_BUG ? $slice.call(aTypedArray(this)) : aTypedArray(this), arguments);
+}, FORCED);
+
+/***/ }),
+/* 348 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var exportTypedArrayMethod = __webpack_require__(307).exportTypedArrayMethod;
+
+var fails = __webpack_require__(8);
+
+var global = __webpack_require__(5);
+
+var Uint8Array = global.Uint8Array;
+var Uint8ArrayPrototype = Uint8Array && Uint8Array.prototype || {};
+var arrayToString = [].toString;
+var arrayJoin = [].join;
+
+if (fails(function () {
+  arrayToString.call({});
+})) {
+  arrayToString = function toString() {
+    return arrayJoin.call(this);
+  };
+}
+
+var IS_NOT_ARRAY_METHOD = Uint8ArrayPrototype.toString != arrayToString; // `%TypedArray%.prototype.toString` method
+// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tostring
+
+exportTypedArrayMethod('toString', arrayToString, IS_NOT_ARRAY_METHOD);
+
+/***/ }),
+/* 349 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var getBuiltIn = __webpack_require__(36);
+
+var aFunction = __webpack_require__(62);
+
+var anObject = __webpack_require__(22);
+
+var fails = __webpack_require__(8);
+
+var nativeApply = getBuiltIn('Reflect', 'apply');
+var functionApply = Function.apply; // MS Edge argumentsList argument is optional
+
+var OPTIONAL_ARGUMENTS_LIST = !fails(function () {
+  nativeApply(function () {
+    /* empty */
+  });
+}); // `Reflect.apply` method
+// https://tc39.github.io/ecma262/#sec-reflect.apply
+
+$({
+  target: 'Reflect',
+  stat: true,
+  forced: OPTIONAL_ARGUMENTS_LIST
+}, {
+  apply: function apply(target, thisArgument, argumentsList) {
+    aFunction(target);
+    anObject(argumentsList);
+    return nativeApply ? nativeApply(target, thisArgument, argumentsList) : functionApply.call(target, thisArgument, argumentsList);
+  }
+});
+
+/***/ }),
+/* 350 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var getBuiltIn = __webpack_require__(36);
+
+var aFunction = __webpack_require__(62);
+
+var anObject = __webpack_require__(22);
+
+var isObject = __webpack_require__(16);
+
+var create = __webpack_require__(51);
+
+var bind = __webpack_require__(123);
+
+var fails = __webpack_require__(8);
+
+var nativeConstruct = getBuiltIn('Reflect', 'construct'); // `Reflect.construct` method
+// https://tc39.github.io/ecma262/#sec-reflect.construct
+// MS Edge supports only 2 arguments and argumentsList argument is optional
+// FF Nightly sets third argument as `new.target`, but does not create `this` from it
+
+var NEW_TARGET_BUG = fails(function () {
+  function F() {
+    /* empty */
+  }
+
+  return !(nativeConstruct(function () {
+    /* empty */
+  }, [], F) instanceof F);
+});
+var ARGS_BUG = !fails(function () {
+  nativeConstruct(function () {
+    /* empty */
+  });
+});
+var FORCED = NEW_TARGET_BUG || ARGS_BUG;
+$({
+  target: 'Reflect',
+  stat: true,
+  forced: FORCED,
+  sham: FORCED
+}, {
+  construct: function construct(Target, args
+  /* , newTarget */
+  ) {
+    aFunction(Target);
+    anObject(args);
+    var newTarget = arguments.length < 3 ? Target : aFunction(arguments[2]);
+    if (ARGS_BUG && !NEW_TARGET_BUG) return nativeConstruct(Target, args, newTarget);
+
+    if (Target == newTarget) {
+      // w/o altered newTarget, optimization for 0-4 arguments
+      switch (args.length) {
+        case 0:
+          return new Target();
+
+        case 1:
+          return new Target(args[0]);
+
+        case 2:
+          return new Target(args[0], args[1]);
+
+        case 3:
+          return new Target(args[0], args[1], args[2]);
+
+        case 4:
+          return new Target(args[0], args[1], args[2], args[3]);
+      } // w/o altered newTarget, lot of arguments case
+
+
+      var $args = [null];
+      $args.push.apply($args, args);
+      return new (bind.apply(Target, $args))();
+    } // with altered newTarget, not support built-in constructors
+
+
+    var proto = newTarget.prototype;
+    var instance = create(isObject(proto) ? proto : Object.prototype);
+    var result = Function.apply.call(Target, instance, args);
+    return isObject(result) ? result : instance;
+  }
+});
+
+/***/ }),
+/* 351 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var anObject = __webpack_require__(22);
+
+var toPrimitive = __webpack_require__(15);
+
+var definePropertyModule = __webpack_require__(21);
+
+var fails = __webpack_require__(8); // MS Edge has broken Reflect.defineProperty - throwing instead of returning false
+
+
+var ERROR_INSTEAD_OF_FALSE = fails(function () {
+  // eslint-disable-next-line no-undef
+  Reflect.defineProperty(definePropertyModule.f({}, 1, {
+    value: 1
+  }), 1, {
+    value: 2
+  });
+}); // `Reflect.defineProperty` method
+// https://tc39.github.io/ecma262/#sec-reflect.defineproperty
+
+$({
+  target: 'Reflect',
+  stat: true,
+  forced: ERROR_INSTEAD_OF_FALSE,
+  sham: !DESCRIPTORS
+}, {
+  defineProperty: function defineProperty(target, propertyKey, attributes) {
+    anObject(target);
+    var key = toPrimitive(propertyKey, true);
+    anObject(attributes);
+
+    try {
+      definePropertyModule.f(target, key, attributes);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
+
+/***/ }),
+/* 352 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var anObject = __webpack_require__(22);
+
+var getOwnPropertyDescriptor = __webpack_require__(6).f; // `Reflect.deleteProperty` method
+// https://tc39.github.io/ecma262/#sec-reflect.deleteproperty
+
+
+$({
+  target: 'Reflect',
+  stat: true
+}, {
+  deleteProperty: function deleteProperty(target, propertyKey) {
+    var descriptor = getOwnPropertyDescriptor(anObject(target), propertyKey);
+    return descriptor && !descriptor.configurable ? false : delete target[propertyKey];
+  }
+});
+
+/***/ }),
+/* 353 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var isObject = __webpack_require__(16);
+
+var anObject = __webpack_require__(22);
+
+var has = __webpack_require__(17);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var getPrototypeOf = __webpack_require__(101); // `Reflect.get` method
+// https://tc39.github.io/ecma262/#sec-reflect.get
+
+
+function get(target, propertyKey
+/* , receiver */
+) {
+  var receiver = arguments.length < 3 ? target : arguments[2];
+  var descriptor, prototype;
+  if (anObject(target) === receiver) return target[propertyKey];
+  if (descriptor = getOwnPropertyDescriptorModule.f(target, propertyKey)) return has(descriptor, 'value') ? descriptor.value : descriptor.get === undefined ? undefined : descriptor.get.call(receiver);
+  if (isObject(prototype = getPrototypeOf(target))) return get(prototype, propertyKey, receiver);
+}
+
+$({
+  target: 'Reflect',
+  stat: true
+}, {
+  get: get
+});
+
+/***/ }),
+/* 354 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var anObject = __webpack_require__(22);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6); // `Reflect.getOwnPropertyDescriptor` method
+// https://tc39.github.io/ecma262/#sec-reflect.getownpropertydescriptor
+
+
+$({
+  target: 'Reflect',
+  stat: true,
+  sham: !DESCRIPTORS
+}, {
+  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
+    return getOwnPropertyDescriptorModule.f(anObject(target), propertyKey);
+  }
+});
+
+/***/ }),
+/* 355 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var anObject = __webpack_require__(22);
+
+var objectGetPrototypeOf = __webpack_require__(101);
+
+var CORRECT_PROTOTYPE_GETTER = __webpack_require__(102); // `Reflect.getPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-reflect.getprototypeof
+
+
+$({
+  target: 'Reflect',
+  stat: true,
+  sham: !CORRECT_PROTOTYPE_GETTER
+}, {
+  getPrototypeOf: function getPrototypeOf(target) {
+    return objectGetPrototypeOf(anObject(target));
+  }
+});
+
+/***/ }),
+/* 356 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4); // `Reflect.has` method
+// https://tc39.github.io/ecma262/#sec-reflect.has
+
+
+$({
+  target: 'Reflect',
+  stat: true
+}, {
+  has: function has(target, propertyKey) {
+    return propertyKey in target;
+  }
+});
+
+/***/ }),
+/* 357 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var anObject = __webpack_require__(22);
+
+var objectIsExtensible = Object.isExtensible; // `Reflect.isExtensible` method
+// https://tc39.github.io/ecma262/#sec-reflect.isextensible
+
+$({
+  target: 'Reflect',
+  stat: true
+}, {
+  isExtensible: function isExtensible(target) {
+    anObject(target);
+    return objectIsExtensible ? objectIsExtensible(target) : true;
+  }
+});
+
+/***/ }),
+/* 358 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var ownKeys = __webpack_require__(35); // `Reflect.ownKeys` method
+// https://tc39.github.io/ecma262/#sec-reflect.ownkeys
+
+
+$({
+  target: 'Reflect',
+  stat: true
+}, {
+  ownKeys: ownKeys
+});
+
+/***/ }),
+/* 359 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var getBuiltIn = __webpack_require__(36);
+
+var anObject = __webpack_require__(22);
+
+var FREEZING = __webpack_require__(86); // `Reflect.preventExtensions` method
+// https://tc39.github.io/ecma262/#sec-reflect.preventextensions
+
+
+$({
+  target: 'Reflect',
+  stat: true,
+  sham: !FREEZING
+}, {
+  preventExtensions: function preventExtensions(target) {
+    anObject(target);
+
+    try {
+      var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions');
+      if (objectPreventExtensions) objectPreventExtensions(target);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
+
+/***/ }),
+/* 360 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var anObject = __webpack_require__(22);
+
+var isObject = __webpack_require__(16);
+
+var has = __webpack_require__(17);
+
+var fails = __webpack_require__(8);
+
+var definePropertyModule = __webpack_require__(21);
+
+var getOwnPropertyDescriptorModule = __webpack_require__(6);
+
+var getPrototypeOf = __webpack_require__(101);
+
+var createPropertyDescriptor = __webpack_require__(10); // `Reflect.set` method
+// https://tc39.github.io/ecma262/#sec-reflect.set
+
+
+function set(target, propertyKey, V
+/* , receiver */
+) {
+  var receiver = arguments.length < 4 ? target : arguments[3];
+  var ownDescriptor = getOwnPropertyDescriptorModule.f(anObject(target), propertyKey);
+  var existingDescriptor, prototype;
+
+  if (!ownDescriptor) {
+    if (isObject(prototype = getPrototypeOf(target))) {
+      return set(prototype, propertyKey, V, receiver);
+    }
+
+    ownDescriptor = createPropertyDescriptor(0);
+  }
+
+  if (has(ownDescriptor, 'value')) {
+    if (ownDescriptor.writable === false || !isObject(receiver)) return false;
+
+    if (existingDescriptor = getOwnPropertyDescriptorModule.f(receiver, propertyKey)) {
+      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
+      existingDescriptor.value = V;
+      definePropertyModule.f(receiver, propertyKey, existingDescriptor);
+    } else definePropertyModule.f(receiver, propertyKey, createPropertyDescriptor(0, V));
+
+    return true;
+  }
+
+  return ownDescriptor.set === undefined ? false : (ownDescriptor.set.call(receiver, V), true);
+} // MS Edge 17-18 Reflect.set allows setting the property to object
+// with non-writable property on the prototype
+
+
+var MS_EDGE_BUG = fails(function () {
+  var object = definePropertyModule.f({}, 'a', {
+    configurable: true
+  }); // eslint-disable-next-line no-undef
+
+  return Reflect.set(getPrototypeOf(object), 'a', 1, object) !== false;
+});
+$({
+  target: 'Reflect',
+  stat: true,
+  forced: MS_EDGE_BUG
+}, {
+  set: set
+});
+
+/***/ }),
+/* 361 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var anObject = __webpack_require__(22);
+
+var aPossiblePrototype = __webpack_require__(113);
+
+var objectSetPrototypeOf = __webpack_require__(112); // `Reflect.setPrototypeOf` method
+// https://tc39.github.io/ecma262/#sec-reflect.setprototypeof
+
+
+if (objectSetPrototypeOf) $({
+  target: 'Reflect',
+  stat: true
+}, {
+  setPrototypeOf: function setPrototypeOf(target, proto) {
+    anObject(target);
+    aPossiblePrototype(proto);
+
+    try {
+      objectSetPrototypeOf(target, proto);
+      return true;
+    } catch (error) {
+      return false;
+    }
+  }
+});
+
+/***/ }),
+/* 362 */
+/***/ (function(module, exports, __webpack_require__) {
+
+__webpack_require__(363);
+
+__webpack_require__(365);
+
+__webpack_require__(366);
+
+__webpack_require__(367);
+
+__webpack_require__(368);
+
+__webpack_require__(369);
+
+__webpack_require__(374);
+
+__webpack_require__(372);
+
+var path = __webpack_require__(37);
+
+module.exports = path;
+
+/***/ }),
+/* 363 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var DOMIterables = __webpack_require__(364);
+
+var forEach = __webpack_require__(151);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+for (var COLLECTION_NAME in DOMIterables) {
+  var Collection = global[COLLECTION_NAME];
+  var CollectionPrototype = Collection && Collection.prototype; // some Chrome versions have non-configurable methods on DOMTokenList
+
+  if (CollectionPrototype && CollectionPrototype.forEach !== forEach) try {
+    createNonEnumerableProperty(CollectionPrototype, 'forEach', forEach);
+  } catch (error) {
+    CollectionPrototype.forEach = forEach;
+  }
+}
+
+/***/ }),
+/* 364 */
+/***/ (function(module, exports) {
+
+// iterable DOM collections
+// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
+module.exports = {
+  CSSRuleList: 0,
+  CSSStyleDeclaration: 0,
+  CSSValueList: 0,
+  ClientRectList: 0,
+  DOMRectList: 0,
+  DOMStringList: 0,
+  DOMTokenList: 1,
+  DataTransferItemList: 0,
+  FileList: 0,
+  HTMLAllCollection: 0,
+  HTMLCollection: 0,
+  HTMLFormElement: 0,
+  HTMLSelectElement: 0,
+  MediaList: 0,
+  MimeTypeArray: 0,
+  NamedNodeMap: 0,
+  NodeList: 1,
+  PaintRequestList: 0,
+  Plugin: 0,
+  PluginArray: 0,
+  SVGLengthList: 0,
+  SVGNumberList: 0,
+  SVGPathSegList: 0,
+  SVGPointList: 0,
+  SVGStringList: 0,
+  SVGTransformList: 0,
+  SourceBufferList: 0,
+  StyleSheetList: 0,
+  TextTrackCueList: 0,
+  TextTrackList: 0,
+  TouchList: 0
+};
+
+/***/ }),
+/* 365 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var global = __webpack_require__(5);
+
+var DOMIterables = __webpack_require__(364);
+
+var ArrayIteratorMethods = __webpack_require__(170);
+
+var createNonEnumerableProperty = __webpack_require__(20);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+
+for (var COLLECTION_NAME in DOMIterables) {
+  var Collection = global[COLLECTION_NAME];
+  var CollectionPrototype = Collection && Collection.prototype;
+
+  if (CollectionPrototype) {
+    // some Chrome versions have non-configurable methods on DOMTokenList
+    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {
+      createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
+    } catch (error) {
+      CollectionPrototype[ITERATOR] = ArrayValues;
+    }
+
+    if (!CollectionPrototype[TO_STRING_TAG]) {
+      createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+    }
+
+    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {
+      // some Chrome versions have non-configurable methods on DOMTokenList
+      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {
+        createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
+      } catch (error) {
+        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
+      }
+    }
+  }
+}
+
+/***/ }),
+/* 366 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var task = __webpack_require__(285);
+
+var FORCED = !global.setImmediate || !global.clearImmediate; // http://w3c.github.io/setImmediate/
+
+$({
+  global: true,
+  bind: true,
+  enumerable: true,
+  forced: FORCED
+}, {
+  // `setImmediate` method
+  // http://w3c.github.io/setImmediate/#si-setImmediate
+  setImmediate: task.set,
+  // `clearImmediate` method
+  // http://w3c.github.io/setImmediate/#si-clearImmediate
+  clearImmediate: task.clear
+});
+
+/***/ }),
+/* 367 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var microtask = __webpack_require__(287);
+
+var classof = __webpack_require__(13);
+
+var process = global.process;
+var isNode = classof(process) == 'process'; // `queueMicrotask` method
+// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-queuemicrotask
+
+$({
+  global: true,
+  enumerable: true,
+  noTargetGet: true
+}, {
+  queueMicrotask: function queueMicrotask(fn) {
+    var domain = isNode && process.domain;
+    microtask(domain ? domain.bind(fn) : fn);
+  }
+});
+
+/***/ }),
+/* 368 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var $ = __webpack_require__(4);
+
+var global = __webpack_require__(5);
+
+var userAgent = __webpack_require__(135);
+
+var slice = [].slice;
+var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check
+
+var wrap = function wrap(scheduler) {
+  return function (handler, timeout
+  /* , ...arguments */
+  ) {
+    var boundArgs = arguments.length > 2;
+    var args = boundArgs ? slice.call(arguments, 2) : undefined;
+    return scheduler(boundArgs ? function () {
+      // eslint-disable-next-line no-new-func
+      (typeof handler == 'function' ? handler : Function(handler)).apply(this, args);
+    } : handler, timeout);
+  };
+}; // ie9- setTimeout & setInterval additional parameters fix
+// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
+
+
+$({
+  global: true,
+  bind: true,
+  forced: MSIE
+}, {
+  // `setTimeout` method
+  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-settimeout
+  setTimeout: wrap(global.setTimeout),
+  // `setInterval` method
+  // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-setinterval
+  setInterval: wrap(global.setInterval)
+});
+
+/***/ }),
+/* 369 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
+
+__webpack_require__(209);
+
+var $ = __webpack_require__(4);
+
+var DESCRIPTORS = __webpack_require__(7);
+
+var USE_NATIVE_URL = __webpack_require__(370);
+
+var global = __webpack_require__(5);
+
+var defineProperties = __webpack_require__(52);
+
+var redefine = __webpack_require__(23);
+
+var anInstance = __webpack_require__(284);
+
+var has = __webpack_require__(17);
+
+var assign = __webpack_require__(79);
+
+var arrayFrom = __webpack_require__(128);
+
+var codeAt = __webpack_require__(177).codeAt;
+
+var toASCII = __webpack_require__(371);
+
+var setToStringTag = __webpack_require__(59);
+
+var URLSearchParamsModule = __webpack_require__(372);
+
+var InternalStateModule = __webpack_require__(27);
+
+var NativeURL = global.URL;
+var URLSearchParams = URLSearchParamsModule.URLSearchParams;
+var getInternalSearchParamsState = URLSearchParamsModule.getState;
+var setInternalState = InternalStateModule.set;
+var getInternalURLState = InternalStateModule.getterFor('URL');
+var floor = Math.floor;
+var pow = Math.pow;
+var INVALID_AUTHORITY = 'Invalid authority';
+var INVALID_SCHEME = 'Invalid scheme';
+var INVALID_HOST = 'Invalid host';
+var INVALID_PORT = 'Invalid port';
+var ALPHA = /[A-Za-z]/;
+var ALPHANUMERIC = /[\d+\-.A-Za-z]/;
+var DIGIT = /\d/;
+var HEX_START = /^(0x|0X)/;
+var OCT = /^[0-7]+$/;
+var DEC = /^\d+$/;
+var HEX = /^[\dA-Fa-f]+$/; // eslint-disable-next-line no-control-regex
+
+var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/; // eslint-disable-next-line no-control-regex
+
+var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/; // eslint-disable-next-line no-control-regex
+
+var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g; // eslint-disable-next-line no-control-regex
+
+var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
+var EOF;
+
+var parseHost = function parseHost(url, input) {
+  var result, codePoints, index;
+
+  if (input.charAt(0) == '[') {
+    if (input.charAt(input.length - 1) != ']') return INVALID_HOST;
+    result = parseIPv6(input.slice(1, -1));
+    if (!result) return INVALID_HOST;
+    url.host = result; // opaque host
+  } else if (!isSpecial(url)) {
+    if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) return INVALID_HOST;
+    result = '';
+    codePoints = arrayFrom(input);
+
+    for (index = 0; index < codePoints.length; index++) {
+      result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
+    }
+
+    url.host = result;
+  } else {
+    input = toASCII(input);
+    if (FORBIDDEN_HOST_CODE_POINT.test(input)) return INVALID_HOST;
+    result = parseIPv4(input);
+    if (result === null) return INVALID_HOST;
+    url.host = result;
+  }
+};
+
+var parseIPv4 = function parseIPv4(input) {
+  var parts = input.split('.');
+  var partsLength, numbers, index, part, radix, number, ipv4;
+
+  if (parts.length && parts[parts.length - 1] == '') {
+    parts.pop();
+  }
+
+  partsLength = parts.length;
+  if (partsLength > 4) return input;
+  numbers = [];
+
+  for (index = 0; index < partsLength; index++) {
+    part = parts[index];
+    if (part == '') return input;
+    radix = 10;
+
+    if (part.length > 1 && part.charAt(0) == '0') {
+      radix = HEX_START.test(part) ? 16 : 8;
+      part = part.slice(radix == 8 ? 1 : 2);
+    }
+
+    if (part === '') {
+      number = 0;
+    } else {
+      if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) return input;
+      number = parseInt(part, radix);
+    }
+
+    numbers.push(number);
+  }
+
+  for (index = 0; index < partsLength; index++) {
+    number = numbers[index];
+
+    if (index == partsLength - 1) {
+      if (number >= pow(256, 5 - partsLength)) return null;
+    } else if (number > 255) return null;
+  }
+
+  ipv4 = numbers.pop();
+
+  for (index = 0; index < numbers.length; index++) {
+    ipv4 += numbers[index] * pow(256, 3 - index);
+  }
+
+  return ipv4;
+}; // eslint-disable-next-line max-statements
+
+
+var parseIPv6 = function parseIPv6(input) {
+  var address = [0, 0, 0, 0, 0, 0, 0, 0];
+  var pieceIndex = 0;
+  var compress = null;
+  var pointer = 0;
+  var value, length, numbersSeen, ipv4Piece, number, swaps, swap;
+
+  var char = function char() {
+    return input.charAt(pointer);
+  };
+
+  if (char() == ':') {
+    if (input.charAt(1) != ':') return;
+    pointer += 2;
+    pieceIndex++;
+    compress = pieceIndex;
+  }
+
+  while (char()) {
+    if (pieceIndex == 8) return;
+
+    if (char() == ':') {
+      if (compress !== null) return;
+      pointer++;
+      pieceIndex++;
+      compress = pieceIndex;
+      continue;
+    }
+
+    value = length = 0;
+
+    while (length < 4 && HEX.test(char())) {
+      value = value * 16 + parseInt(char(), 16);
+      pointer++;
+      length++;
+    }
+
+    if (char() == '.') {
+      if (length == 0) return;
+      pointer -= length;
+      if (pieceIndex > 6) return;
+      numbersSeen = 0;
+
+      while (char()) {
+        ipv4Piece = null;
+
+        if (numbersSeen > 0) {
+          if (char() == '.' && numbersSeen < 4) pointer++;else return;
+        }
+
+        if (!DIGIT.test(char())) return;
+
+        while (DIGIT.test(char())) {
+          number = parseInt(char(), 10);
+          if (ipv4Piece === null) ipv4Piece = number;else if (ipv4Piece == 0) return;else ipv4Piece = ipv4Piece * 10 + number;
+          if (ipv4Piece > 255) return;
+          pointer++;
+        }
+
+        address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
+        numbersSeen++;
+        if (numbersSeen == 2 || numbersSeen == 4) pieceIndex++;
+      }
+
+      if (numbersSeen != 4) return;
+      break;
+    } else if (char() == ':') {
+      pointer++;
+      if (!char()) return;
+    } else if (char()) return;
+
+    address[pieceIndex++] = value;
+  }
+
+  if (compress !== null) {
+    swaps = pieceIndex - compress;
+    pieceIndex = 7;
+
+    while (pieceIndex != 0 && swaps > 0) {
+      swap = address[pieceIndex];
+      address[pieceIndex--] = address[compress + swaps - 1];
+      address[compress + --swaps] = swap;
+    }
+  } else if (pieceIndex != 8) return;
+
+  return address;
+};
+
+var findLongestZeroSequence = function findLongestZeroSequence(ipv6) {
+  var maxIndex = null;
+  var maxLength = 1;
+  var currStart = null;
+  var currLength = 0;
+  var index = 0;
+
+  for (; index < 8; index++) {
+    if (ipv6[index] !== 0) {
+      if (currLength > maxLength) {
+        maxIndex = currStart;
+        maxLength = currLength;
+      }
+
+      currStart = null;
+      currLength = 0;
+    } else {
+      if (currStart === null) currStart = index;
+      ++currLength;
+    }
+  }
+
+  if (currLength > maxLength) {
+    maxIndex = currStart;
+    maxLength = currLength;
+  }
+
+  return maxIndex;
+};
+
+var serializeHost = function serializeHost(host) {
+  var result, index, compress, ignore0; // ipv4
+
+  if (typeof host == 'number') {
+    result = [];
+
+    for (index = 0; index < 4; index++) {
+      result.unshift(host % 256);
+      host = floor(host / 256);
+    }
+
+    return result.join('.'); // ipv6
+  } else if (typeof host == 'object') {
+    result = '';
+    compress = findLongestZeroSequence(host);
+
+    for (index = 0; index < 8; index++) {
+      if (ignore0 && host[index] === 0) continue;
+      if (ignore0) ignore0 = false;
+
+      if (compress === index) {
+        result += index ? ':' : '::';
+        ignore0 = true;
+      } else {
+        result += host[index].toString(16);
+        if (index < 7) result += ':';
+      }
+    }
+
+    return '[' + result + ']';
+  }
+
+  return host;
+};
+
+var C0ControlPercentEncodeSet = {};
+var fragmentPercentEncodeSet = assign({}, C0ControlPercentEncodeSet, {
+  ' ': 1,
+  '"': 1,
+  '<': 1,
+  '>': 1,
+  '`': 1
+});
+var pathPercentEncodeSet = assign({}, fragmentPercentEncodeSet, {
+  '#': 1,
+  '?': 1,
+  '{': 1,
+  '}': 1
+});
+var userinfoPercentEncodeSet = assign({}, pathPercentEncodeSet, {
+  '/': 1,
+  ':': 1,
+  ';': 1,
+  '=': 1,
+  '@': 1,
+  '[': 1,
+  '\\': 1,
+  ']': 1,
+  '^': 1,
+  '|': 1
+});
+
+var percentEncode = function percentEncode(char, set) {
+  var code = codeAt(char, 0);
+  return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
+};
+
+var specialSchemes = {
+  ftp: 21,
+  file: null,
+  http: 80,
+  https: 443,
+  ws: 80,
+  wss: 443
+};
+
+var isSpecial = function isSpecial(url) {
+  return has(specialSchemes, url.scheme);
+};
+
+var includesCredentials = function includesCredentials(url) {
+  return url.username != '' || url.password != '';
+};
+
+var cannotHaveUsernamePasswordPort = function cannotHaveUsernamePasswordPort(url) {
+  return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
+};
+
+var isWindowsDriveLetter = function isWindowsDriveLetter(string, normalized) {
+  var second;
+  return string.length == 2 && ALPHA.test(string.charAt(0)) && ((second = string.charAt(1)) == ':' || !normalized && second == '|');
+};
+
+var startsWithWindowsDriveLetter = function startsWithWindowsDriveLetter(string) {
+  var third;
+  return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (string.length == 2 || (third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#');
+};
+
+var shortenURLsPath = function shortenURLsPath(url) {
+  var path = url.path;
+  var pathSize = path.length;
+
+  if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
+    path.pop();
+  }
+};
+
+var isSingleDot = function isSingleDot(segment) {
+  return segment === '.' || segment.toLowerCase() === '%2e';
+};
+
+var isDoubleDot = function isDoubleDot(segment) {
+  segment = segment.toLowerCase();
+  return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
+}; // States:
+
+
+var SCHEME_START = {};
+var SCHEME = {};
+var NO_SCHEME = {};
+var SPECIAL_RELATIVE_OR_AUTHORITY = {};
+var PATH_OR_AUTHORITY = {};
+var RELATIVE = {};
+var RELATIVE_SLASH = {};
+var SPECIAL_AUTHORITY_SLASHES = {};
+var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
+var AUTHORITY = {};
+var HOST = {};
+var HOSTNAME = {};
+var PORT = {};
+var FILE = {};
+var FILE_SLASH = {};
+var FILE_HOST = {};
+var PATH_START = {};
+var PATH = {};
+var CANNOT_BE_A_BASE_URL_PATH = {};
+var QUERY = {};
+var FRAGMENT = {}; // eslint-disable-next-line max-statements
+
+var parseURL = function parseURL(url, input, stateOverride, base) {
+  var state = stateOverride || SCHEME_START;
+  var pointer = 0;
+  var buffer = '';
+  var seenAt = false;
+  var seenBracket = false;
+  var seenPasswordToken = false;
+  var codePoints, char, bufferCodePoints, failure;
+
+  if (!stateOverride) {
+    url.scheme = '';
+    url.username = '';
+    url.password = '';
+    url.host = null;
+    url.port = null;
+    url.path = [];
+    url.query = null;
+    url.fragment = null;
+    url.cannotBeABaseURL = false;
+    input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
+  }
+
+  input = input.replace(TAB_AND_NEW_LINE, '');
+  codePoints = arrayFrom(input);
+
+  while (pointer <= codePoints.length) {
+    char = codePoints[pointer];
+
+    switch (state) {
+      case SCHEME_START:
+        if (char && ALPHA.test(char)) {
+          buffer += char.toLowerCase();
+          state = SCHEME;
+        } else if (!stateOverride) {
+          state = NO_SCHEME;
+          continue;
+        } else return INVALID_SCHEME;
+
+        break;
+
+      case SCHEME:
+        if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
+          buffer += char.toLowerCase();
+        } else if (char == ':') {
+          if (stateOverride && (isSpecial(url) != has(specialSchemes, buffer) || buffer == 'file' && (includesCredentials(url) || url.port !== null) || url.scheme == 'file' && !url.host)) return;
+          url.scheme = buffer;
+
+          if (stateOverride) {
+            if (isSpecial(url) && specialSchemes[url.scheme] == url.port) url.port = null;
+            return;
+          }
+
+          buffer = '';
+
+          if (url.scheme == 'file') {
+            state = FILE;
+          } else if (isSpecial(url) && base && base.scheme == url.scheme) {
+            state = SPECIAL_RELATIVE_OR_AUTHORITY;
+          } else if (isSpecial(url)) {
+            state = SPECIAL_AUTHORITY_SLASHES;
+          } else if (codePoints[pointer + 1] == '/') {
+            state = PATH_OR_AUTHORITY;
+            pointer++;
+          } else {
+            url.cannotBeABaseURL = true;
+            url.path.push('');
+            state = CANNOT_BE_A_BASE_URL_PATH;
+          }
+        } else if (!stateOverride) {
+          buffer = '';
+          state = NO_SCHEME;
+          pointer = 0;
+          continue;
+        } else return INVALID_SCHEME;
+
+        break;
+
+      case NO_SCHEME:
+        if (!base || base.cannotBeABaseURL && char != '#') return INVALID_SCHEME;
+
+        if (base.cannotBeABaseURL && char == '#') {
+          url.scheme = base.scheme;
+          url.path = base.path.slice();
+          url.query = base.query;
+          url.fragment = '';
+          url.cannotBeABaseURL = true;
+          state = FRAGMENT;
+          break;
+        }
+
+        state = base.scheme == 'file' ? FILE : RELATIVE;
+        continue;
+
+      case SPECIAL_RELATIVE_OR_AUTHORITY:
+        if (char == '/' && codePoints[pointer + 1] == '/') {
+          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+          pointer++;
+        } else {
+          state = RELATIVE;
+          continue;
+        }
+
+        break;
+
+      case PATH_OR_AUTHORITY:
+        if (char == '/') {
+          state = AUTHORITY;
+          break;
+        } else {
+          state = PATH;
+          continue;
+        }
+
+      case RELATIVE:
+        url.scheme = base.scheme;
+
+        if (char == EOF) {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = base.query;
+        } else if (char == '/' || char == '\\' && isSpecial(url)) {
+          state = RELATIVE_SLASH;
+        } else if (char == '?') {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = '';
+          state = QUERY;
+        } else if (char == '#') {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.query = base.query;
+          url.fragment = '';
+          state = FRAGMENT;
+        } else {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          url.path = base.path.slice();
+          url.path.pop();
+          state = PATH;
+          continue;
+        }
+
+        break;
+
+      case RELATIVE_SLASH:
+        if (isSpecial(url) && (char == '/' || char == '\\')) {
+          state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+        } else if (char == '/') {
+          state = AUTHORITY;
+        } else {
+          url.username = base.username;
+          url.password = base.password;
+          url.host = base.host;
+          url.port = base.port;
+          state = PATH;
+          continue;
+        }
+
+        break;
+
+      case SPECIAL_AUTHORITY_SLASHES:
+        state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
+        if (char != '/' || buffer.charAt(pointer + 1) != '/') continue;
+        pointer++;
+        break;
+
+      case SPECIAL_AUTHORITY_IGNORE_SLASHES:
+        if (char != '/' && char != '\\') {
+          state = AUTHORITY;
+          continue;
+        }
+
+        break;
+
+      case AUTHORITY:
+        if (char == '@') {
+          if (seenAt) buffer = '%40' + buffer;
+          seenAt = true;
+          bufferCodePoints = arrayFrom(buffer);
+
+          for (var i = 0; i < bufferCodePoints.length; i++) {
+            var codePoint = bufferCodePoints[i];
+
+            if (codePoint == ':' && !seenPasswordToken) {
+              seenPasswordToken = true;
+              continue;
+            }
+
+            var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
+            if (seenPasswordToken) url.password += encodedCodePoints;else url.username += encodedCodePoints;
+          }
+
+          buffer = '';
+        } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+          if (seenAt && buffer == '') return INVALID_AUTHORITY;
+          pointer -= arrayFrom(buffer).length + 1;
+          buffer = '';
+          state = HOST;
+        } else buffer += char;
+
+        break;
+
+      case HOST:
+      case HOSTNAME:
+        if (stateOverride && url.scheme == 'file') {
+          state = FILE_HOST;
+          continue;
+        } else if (char == ':' && !seenBracket) {
+          if (buffer == '') return INVALID_HOST;
+          failure = parseHost(url, buffer);
+          if (failure) return failure;
+          buffer = '';
+          state = PORT;
+          if (stateOverride == HOSTNAME) return;
+        } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url)) {
+          if (isSpecial(url) && buffer == '') return INVALID_HOST;
+          if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) return;
+          failure = parseHost(url, buffer);
+          if (failure) return failure;
+          buffer = '';
+          state = PATH_START;
+          if (stateOverride) return;
+          continue;
+        } else {
+          if (char == '[') seenBracket = true;else if (char == ']') seenBracket = false;
+          buffer += char;
+        }
+
+        break;
+
+      case PORT:
+        if (DIGIT.test(char)) {
+          buffer += char;
+        } else if (char == EOF || char == '/' || char == '?' || char == '#' || char == '\\' && isSpecial(url) || stateOverride) {
+          if (buffer != '') {
+            var port = parseInt(buffer, 10);
+            if (port > 0xFFFF) return INVALID_PORT;
+            url.port = isSpecial(url) && port === specialSchemes[url.scheme] ? null : port;
+            buffer = '';
+          }
+
+          if (stateOverride) return;
+          state = PATH_START;
+          continue;
+        } else return INVALID_PORT;
+
+        break;
+
+      case FILE:
+        url.scheme = 'file';
+        if (char == '/' || char == '\\') state = FILE_SLASH;else if (base && base.scheme == 'file') {
+          if (char == EOF) {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = base.query;
+          } else if (char == '?') {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = '';
+            state = QUERY;
+          } else if (char == '#') {
+            url.host = base.host;
+            url.path = base.path.slice();
+            url.query = base.query;
+            url.fragment = '';
+            state = FRAGMENT;
+          } else {
+            if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+              url.host = base.host;
+              url.path = base.path.slice();
+              shortenURLsPath(url);
+            }
+
+            state = PATH;
+            continue;
+          }
+        } else {
+          state = PATH;
+          continue;
+        }
+        break;
+
+      case FILE_SLASH:
+        if (char == '/' || char == '\\') {
+          state = FILE_HOST;
+          break;
+        }
+
+        if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
+          if (isWindowsDriveLetter(base.path[0], true)) url.path.push(base.path[0]);else url.host = base.host;
+        }
+
+        state = PATH;
+        continue;
+
+      case FILE_HOST:
+        if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
+          if (!stateOverride && isWindowsDriveLetter(buffer)) {
+            state = PATH;
+          } else if (buffer == '') {
+            url.host = '';
+            if (stateOverride) return;
+            state = PATH_START;
+          } else {
+            failure = parseHost(url, buffer);
+            if (failure) return failure;
+            if (url.host == 'localhost') url.host = '';
+            if (stateOverride) return;
+            buffer = '';
+            state = PATH_START;
+          }
+
+          continue;
+        } else buffer += char;
+
+        break;
+
+      case PATH_START:
+        if (isSpecial(url)) {
+          state = PATH;
+          if (char != '/' && char != '\\') continue;
+        } else if (!stateOverride && char == '?') {
+          url.query = '';
+          state = QUERY;
+        } else if (!stateOverride && char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          state = PATH;
+          if (char != '/') continue;
+        }
+
+        break;
+
+      case PATH:
+        if (char == EOF || char == '/' || char == '\\' && isSpecial(url) || !stateOverride && (char == '?' || char == '#')) {
+          if (isDoubleDot(buffer)) {
+            shortenURLsPath(url);
+
+            if (char != '/' && !(char == '\\' && isSpecial(url))) {
+              url.path.push('');
+            }
+          } else if (isSingleDot(buffer)) {
+            if (char != '/' && !(char == '\\' && isSpecial(url))) {
+              url.path.push('');
+            }
+          } else {
+            if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
+              if (url.host) url.host = '';
+              buffer = buffer.charAt(0) + ':'; // normalize windows drive letter
+            }
+
+            url.path.push(buffer);
+          }
+
+          buffer = '';
+
+          if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
+            while (url.path.length > 1 && url.path[0] === '') {
+              url.path.shift();
+            }
+          }
+
+          if (char == '?') {
+            url.query = '';
+            state = QUERY;
+          } else if (char == '#') {
+            url.fragment = '';
+            state = FRAGMENT;
+          }
+        } else {
+          buffer += percentEncode(char, pathPercentEncodeSet);
+        }
+
+        break;
+
+      case CANNOT_BE_A_BASE_URL_PATH:
+        if (char == '?') {
+          url.query = '';
+          state = QUERY;
+        } else if (char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
+        }
+
+        break;
+
+      case QUERY:
+        if (!stateOverride && char == '#') {
+          url.fragment = '';
+          state = FRAGMENT;
+        } else if (char != EOF) {
+          if (char == "'" && isSpecial(url)) url.query += '%27';else if (char == '#') url.query += '%23';else url.query += percentEncode(char, C0ControlPercentEncodeSet);
+        }
+
+        break;
+
+      case FRAGMENT:
+        if (char != EOF) url.fragment += percentEncode(char, fragmentPercentEncodeSet);
+        break;
+    }
+
+    pointer++;
+  }
+}; // `URL` constructor
+// https://url.spec.whatwg.org/#url-class
+
+
+var URLConstructor = function URL(url
+/* , base */
+) {
+  var that = anInstance(this, URLConstructor, 'URL');
+  var base = arguments.length > 1 ? arguments[1] : undefined;
+  var urlString = String(url);
+  var state = setInternalState(that, {
+    type: 'URL'
+  });
+  var baseState, failure;
+
+  if (base !== undefined) {
+    if (base instanceof URLConstructor) baseState = getInternalURLState(base);else {
+      failure = parseURL(baseState = {}, String(base));
+      if (failure) throw TypeError(failure);
+    }
+  }
+
+  failure = parseURL(state, urlString, null, baseState);
+  if (failure) throw TypeError(failure);
+  var searchParams = state.searchParams = new URLSearchParams();
+  var searchParamsState = getInternalSearchParamsState(searchParams);
+  searchParamsState.updateSearchParams(state.query);
+
+  searchParamsState.updateURL = function () {
+    state.query = String(searchParams) || null;
+  };
+
+  if (!DESCRIPTORS) {
+    that.href = serializeURL.call(that);
+    that.origin = getOrigin.call(that);
+    that.protocol = getProtocol.call(that);
+    that.username = getUsername.call(that);
+    that.password = getPassword.call(that);
+    that.host = getHost.call(that);
+    that.hostname = getHostname.call(that);
+    that.port = getPort.call(that);
+    that.pathname = getPathname.call(that);
+    that.search = getSearch.call(that);
+    that.searchParams = getSearchParams.call(that);
+    that.hash = getHash.call(that);
+  }
+};
+
+var URLPrototype = URLConstructor.prototype;
+
+var serializeURL = function serializeURL() {
+  var url = getInternalURLState(this);
+  var scheme = url.scheme;
+  var username = url.username;
+  var password = url.password;
+  var host = url.host;
+  var port = url.port;
+  var path = url.path;
+  var query = url.query;
+  var fragment = url.fragment;
+  var output = scheme + ':';
+
+  if (host !== null) {
+    output += '//';
+
+    if (includesCredentials(url)) {
+      output += username + (password ? ':' + password : '') + '@';
+    }
+
+    output += serializeHost(host);
+    if (port !== null) output += ':' + port;
+  } else if (scheme == 'file') output += '//';
+
+  output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+  if (query !== null) output += '?' + query;
+  if (fragment !== null) output += '#' + fragment;
+  return output;
+};
+
+var getOrigin = function getOrigin() {
+  var url = getInternalURLState(this);
+  var scheme = url.scheme;
+  var port = url.port;
+  if (scheme == 'blob') try {
+    return new URL(scheme.path[0]).origin;
+  } catch (error) {
+    return 'null';
+  }
+  if (scheme == 'file' || !isSpecial(url)) return 'null';
+  return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
+};
+
+var getProtocol = function getProtocol() {
+  return getInternalURLState(this).scheme + ':';
+};
+
+var getUsername = function getUsername() {
+  return getInternalURLState(this).username;
+};
+
+var getPassword = function getPassword() {
+  return getInternalURLState(this).password;
+};
+
+var getHost = function getHost() {
+  var url = getInternalURLState(this);
+  var host = url.host;
+  var port = url.port;
+  return host === null ? '' : port === null ? serializeHost(host) : serializeHost(host) + ':' + port;
+};
+
+var getHostname = function getHostname() {
+  var host = getInternalURLState(this).host;
+  return host === null ? '' : serializeHost(host);
+};
+
+var getPort = function getPort() {
+  var port = getInternalURLState(this).port;
+  return port === null ? '' : String(port);
+};
+
+var getPathname = function getPathname() {
+  var url = getInternalURLState(this);
+  var path = url.path;
+  return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
+};
+
+var getSearch = function getSearch() {
+  var query = getInternalURLState(this).query;
+  return query ? '?' + query : '';
+};
+
+var getSearchParams = function getSearchParams() {
+  return getInternalURLState(this).searchParams;
+};
+
+var getHash = function getHash() {
+  var fragment = getInternalURLState(this).fragment;
+  return fragment ? '#' + fragment : '';
+};
+
+var accessorDescriptor = function accessorDescriptor(getter, setter) {
+  return {
+    get: getter,
+    set: setter,
+    configurable: true,
+    enumerable: true
+  };
+};
+
+if (DESCRIPTORS) {
+  defineProperties(URLPrototype, {
+    // `URL.prototype.href` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-href
+    href: accessorDescriptor(serializeURL, function (href) {
+      var url = getInternalURLState(this);
+      var urlString = String(href);
+      var failure = parseURL(url, urlString);
+      if (failure) throw TypeError(failure);
+      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+    }),
+    // `URL.prototype.origin` getter
+    // https://url.spec.whatwg.org/#dom-url-origin
+    origin: accessorDescriptor(getOrigin),
+    // `URL.prototype.protocol` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-protocol
+    protocol: accessorDescriptor(getProtocol, function (protocol) {
+      var url = getInternalURLState(this);
+      parseURL(url, String(protocol) + ':', SCHEME_START);
+    }),
+    // `URL.prototype.username` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-username
+    username: accessorDescriptor(getUsername, function (username) {
+      var url = getInternalURLState(this);
+      var codePoints = arrayFrom(String(username));
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      url.username = '';
+
+      for (var i = 0; i < codePoints.length; i++) {
+        url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+      }
+    }),
+    // `URL.prototype.password` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-password
+    password: accessorDescriptor(getPassword, function (password) {
+      var url = getInternalURLState(this);
+      var codePoints = arrayFrom(String(password));
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      url.password = '';
+
+      for (var i = 0; i < codePoints.length; i++) {
+        url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
+      }
+    }),
+    // `URL.prototype.host` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-host
+    host: accessorDescriptor(getHost, function (host) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      parseURL(url, String(host), HOST);
+    }),
+    // `URL.prototype.hostname` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-hostname
+    hostname: accessorDescriptor(getHostname, function (hostname) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      parseURL(url, String(hostname), HOSTNAME);
+    }),
+    // `URL.prototype.port` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-port
+    port: accessorDescriptor(getPort, function (port) {
+      var url = getInternalURLState(this);
+      if (cannotHaveUsernamePasswordPort(url)) return;
+      port = String(port);
+      if (port == '') url.port = null;else parseURL(url, port, PORT);
+    }),
+    // `URL.prototype.pathname` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-pathname
+    pathname: accessorDescriptor(getPathname, function (pathname) {
+      var url = getInternalURLState(this);
+      if (url.cannotBeABaseURL) return;
+      url.path = [];
+      parseURL(url, pathname + '', PATH_START);
+    }),
+    // `URL.prototype.search` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-search
+    search: accessorDescriptor(getSearch, function (search) {
+      var url = getInternalURLState(this);
+      search = String(search);
+
+      if (search == '') {
+        url.query = null;
+      } else {
+        if ('?' == search.charAt(0)) search = search.slice(1);
+        url.query = '';
+        parseURL(url, search, QUERY);
+      }
+
+      getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
+    }),
+    // `URL.prototype.searchParams` getter
+    // https://url.spec.whatwg.org/#dom-url-searchparams
+    searchParams: accessorDescriptor(getSearchParams),
+    // `URL.prototype.hash` accessors pair
+    // https://url.spec.whatwg.org/#dom-url-hash
+    hash: accessorDescriptor(getHash, function (hash) {
+      var url = getInternalURLState(this);
+      hash = String(hash);
+
+      if (hash == '') {
+        url.fragment = null;
+        return;
+      }
+
+      if ('#' == hash.charAt(0)) hash = hash.slice(1);
+      url.fragment = '';
+      parseURL(url, hash, FRAGMENT);
+    })
+  });
+} // `URL.prototype.toJSON` method
+// https://url.spec.whatwg.org/#dom-url-tojson
+
+
+redefine(URLPrototype, 'toJSON', function toJSON() {
+  return serializeURL.call(this);
+}, {
+  enumerable: true
+}); // `URL.prototype.toString` method
+// https://url.spec.whatwg.org/#URL-stringification-behavior
+
+redefine(URLPrototype, 'toString', function toString() {
+  return serializeURL.call(this);
+}, {
+  enumerable: true
+});
+
+if (NativeURL) {
+  var nativeCreateObjectURL = NativeURL.createObjectURL;
+  var nativeRevokeObjectURL = NativeURL.revokeObjectURL; // `URL.createObjectURL` method
+  // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
+  // eslint-disable-next-line no-unused-vars
+
+  if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
+    return nativeCreateObjectURL.apply(NativeURL, arguments);
+  }); // `URL.revokeObjectURL` method
+  // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
+  // eslint-disable-next-line no-unused-vars
+
+  if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
+    return nativeRevokeObjectURL.apply(NativeURL, arguments);
+  });
+}
+
+setToStringTag(URLConstructor, 'URL');
+$({
+  global: true,
+  forced: !USE_NATIVE_URL,
+  sham: !DESCRIPTORS
+}, {
+  URL: URLConstructor
+});
+
+/***/ }),
+/* 370 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fails = __webpack_require__(8);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var IS_PURE = __webpack_require__(31);
+
+var ITERATOR = wellKnownSymbol('iterator');
+module.exports = !fails(function () {
+  var url = new URL('b?a=1&b=2&c=3', 'http://a');
+  var searchParams = url.searchParams;
+  var result = '';
+  url.pathname = 'c%20d';
+  searchParams.forEach(function (value, key) {
+    searchParams['delete']('b');
+    result += key + value;
+  });
+  return IS_PURE && !url.toJSON || !searchParams.sort || url.href !== 'http://a/c%20d?a=1&c=3' || searchParams.get('c') !== '3' || String(new URLSearchParams('?a=1')) !== 'a=1' || !searchParams[ITERATOR] // throws in Edge
+  || new URL('https://a@b').username !== 'a' || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b' // not punycoded in Edge
+  || new URL('http://тест').host !== 'xn--e1aybc' // not escaped in Chrome 62-
+  || new URL('http://a#б').hash !== '#%D0%B1' // fails in Chrome 66-
+  || result !== 'a1c3' // throws in Safari
+  || new URL('http://x', undefined).host !== 'x';
+});
+
+/***/ }),
+/* 371 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // based on https://github.com/bestiejs/punycode.js/blob/master/punycode.js
+
+var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+var base = 36;
+var tMin = 1;
+var tMax = 26;
+var skew = 38;
+var damp = 700;
+var initialBias = 72;
+var initialN = 128; // 0x80
+
+var delimiter = '-'; // '\x2D'
+
+var regexNonASCII = /[^\0-\u007E]/; // non-ASCII chars
+
+var regexSeparators = /[.\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+var OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';
+var baseMinusTMin = base - tMin;
+var floor = Math.floor;
+var stringFromCharCode = String.fromCharCode;
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ */
+
+var ucs2decode = function ucs2decode(string) {
+  var output = [];
+  var counter = 0;
+  var length = string.length;
+
+  while (counter < length) {
+    var value = string.charCodeAt(counter++);
+
+    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+      // It's a high surrogate, and there is a next character.
+      var extra = string.charCodeAt(counter++);
+
+      if ((extra & 0xFC00) == 0xDC00) {
+        // Low surrogate.
+        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+      } else {
+        // It's an unmatched surrogate; only append this code unit, in case the
+        // next code unit is the high surrogate of a surrogate pair.
+        output.push(value);
+        counter--;
+      }
+    } else {
+      output.push(value);
+    }
+  }
+
+  return output;
+};
+/**
+ * Converts a digit/integer into a basic code point.
+ */
+
+
+var digitToBasic = function digitToBasic(digit) {
+  //  0..25 map to ASCII a..z or A..Z
+  // 26..35 map to ASCII 0..9
+  return digit + 22 + 75 * (digit < 26);
+};
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ */
+
+
+var adapt = function adapt(delta, numPoints, firstTime) {
+  var k = 0;
+  delta = firstTime ? floor(delta / damp) : delta >> 1;
+  delta += floor(delta / numPoints);
+
+  for (; delta > baseMinusTMin * tMax >> 1; k += base) {
+    delta = floor(delta / baseMinusTMin);
+  }
+
+  return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ */
+// eslint-disable-next-line  max-statements
+
+
+var encode = function encode(input) {
+  var output = []; // Convert the input in UCS-2 to an array of Unicode code points.
+
+  input = ucs2decode(input); // Cache the length.
+
+  var inputLength = input.length; // Initialize the state.
+
+  var n = initialN;
+  var delta = 0;
+  var bias = initialBias;
+  var i, currentValue; // Handle the basic code points.
+
+  for (i = 0; i < input.length; i++) {
+    currentValue = input[i];
+
+    if (currentValue < 0x80) {
+      output.push(stringFromCharCode(currentValue));
+    }
+  }
+
+  var basicLength = output.length; // number of basic code points.
+
+  var handledCPCount = basicLength; // number of code points that have been handled;
+  // Finish the basic string with a delimiter unless it's empty.
+
+  if (basicLength) {
+    output.push(delimiter);
+  } // Main encoding loop:
+
+
+  while (handledCPCount < inputLength) {
+    // All non-basic code points < n have been handled already. Find the next larger one:
+    var m = maxInt;
+
+    for (i = 0; i < input.length; i++) {
+      currentValue = input[i];
+
+      if (currentValue >= n && currentValue < m) {
+        m = currentValue;
+      }
+    } // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, but guard against overflow.
+
+
+    var handledCPCountPlusOne = handledCPCount + 1;
+
+    if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+      throw RangeError(OVERFLOW_ERROR);
+    }
+
+    delta += (m - n) * handledCPCountPlusOne;
+    n = m;
+
+    for (i = 0; i < input.length; i++) {
+      currentValue = input[i];
+
+      if (currentValue < n && ++delta > maxInt) {
+        throw RangeError(OVERFLOW_ERROR);
+      }
+
+      if (currentValue == n) {
+        // Represent delta as a generalized variable-length integer.
+        var q = delta;
+
+        for (var k = base;;
+        /* no condition */
+        k += base) {
+          var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+          if (q < t) break;
+          var qMinusT = q - t;
+          var baseMinusT = base - t;
+          output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));
+          q = floor(qMinusT / baseMinusT);
+        }
+
+        output.push(stringFromCharCode(digitToBasic(q)));
+        bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+        delta = 0;
+        ++handledCPCount;
+      }
+    }
+
+    ++delta;
+    ++n;
+  }
+
+  return output.join('');
+};
+
+module.exports = function (input) {
+  var encoded = [];
+  var labels = input.toLowerCase().replace(regexSeparators, '\u002E').split('.');
+  var i, label;
+
+  for (i = 0; i < labels.length; i++) {
+    label = labels[i];
+    encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);
+  }
+
+  return encoded.join('.');
+};
+
+/***/ }),
+/* 372 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
+
+__webpack_require__(170);
+
+var $ = __webpack_require__(4);
+
+var getBuiltIn = __webpack_require__(36);
+
+var USE_NATIVE_URL = __webpack_require__(370);
+
+var redefine = __webpack_require__(23);
+
+var redefineAll = __webpack_require__(283);
+
+var setToStringTag = __webpack_require__(59);
+
+var createIteratorConstructor = __webpack_require__(172);
+
+var InternalStateModule = __webpack_require__(27);
+
+var anInstance = __webpack_require__(284);
+
+var hasOwn = __webpack_require__(17);
+
+var bind = __webpack_require__(61);
+
+var classof = __webpack_require__(93);
+
+var anObject = __webpack_require__(22);
+
+var isObject = __webpack_require__(16);
+
+var create = __webpack_require__(51);
+
+var createPropertyDescriptor = __webpack_require__(10);
+
+var getIterator = __webpack_require__(373);
+
+var getIteratorMethod = __webpack_require__(92);
+
+var wellKnownSymbol = __webpack_require__(56);
+
+var $fetch = getBuiltIn('fetch');
+var Headers = getBuiltIn('Headers');
+var ITERATOR = wellKnownSymbol('iterator');
+var URL_SEARCH_PARAMS = 'URLSearchParams';
+var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
+var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);
+var plus = /\+/g;
+var sequences = Array(4);
+
+var percentSequence = function percentSequence(bytes) {
+  return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
+};
+
+var percentDecode = function percentDecode(sequence) {
+  try {
+    return decodeURIComponent(sequence);
+  } catch (error) {
+    return sequence;
+  }
+};
+
+var deserialize = function deserialize(it) {
+  var result = it.replace(plus, ' ');
+  var bytes = 4;
+
+  try {
+    return decodeURIComponent(result);
+  } catch (error) {
+    while (bytes) {
+      result = result.replace(percentSequence(bytes--), percentDecode);
+    }
+
+    return result;
+  }
+};
+
+var find = /[!'()~]|%20/g;
+var replace = {
+  '!': '%21',
+  "'": '%27',
+  '(': '%28',
+  ')': '%29',
+  '~': '%7E',
+  '%20': '+'
+};
+
+var replacer = function replacer(match) {
+  return replace[match];
+};
+
+var serialize = function serialize(it) {
+  return encodeURIComponent(it).replace(find, replacer);
+};
+
+var parseSearchParams = function parseSearchParams(result, query) {
+  if (query) {
+    var attributes = query.split('&');
+    var index = 0;
+    var attribute, entry;
+
+    while (index < attributes.length) {
+      attribute = attributes[index++];
+
+      if (attribute.length) {
+        entry = attribute.split('=');
+        result.push({
+          key: deserialize(entry.shift()),
+          value: deserialize(entry.join('='))
+        });
+      }
+    }
+  }
+};
+
+var updateSearchParams = function updateSearchParams(query) {
+  this.entries.length = 0;
+  parseSearchParams(this.entries, query);
+};
+
+var validateArgumentsLength = function validateArgumentsLength(passed, required) {
+  if (passed < required) throw TypeError('Not enough arguments');
+};
+
+var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
+  setInternalState(this, {
+    type: URL_SEARCH_PARAMS_ITERATOR,
+    iterator: getIterator(getInternalParamsState(params).entries),
+    kind: kind
+  });
+}, 'Iterator', function next() {
+  var state = getInternalIteratorState(this);
+  var kind = state.kind;
+  var step = state.iterator.next();
+  var entry = step.value;
+
+  if (!step.done) {
+    step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];
+  }
+
+  return step;
+}); // `URLSearchParams` constructor
+// https://url.spec.whatwg.org/#interface-urlsearchparams
+
+var URLSearchParamsConstructor = function URLSearchParams()
+/* init */
+{
+  anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+  var init = arguments.length > 0 ? arguments[0] : undefined;
+  var that = this;
+  var entries = [];
+  var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;
+  setInternalState(that, {
+    type: URL_SEARCH_PARAMS,
+    entries: entries,
+    updateURL: function updateURL() {
+      /* empty */
+    },
+    updateSearchParams: updateSearchParams
+  });
+
+  if (init !== undefined) {
+    if (isObject(init)) {
+      iteratorMethod = getIteratorMethod(init);
+
+      if (typeof iteratorMethod === 'function') {
+        iterator = iteratorMethod.call(init);
+        next = iterator.next;
+
+        while (!(step = next.call(iterator)).done) {
+          entryIterator = getIterator(anObject(step.value));
+          entryNext = entryIterator.next;
+          if ((first = entryNext.call(entryIterator)).done || (second = entryNext.call(entryIterator)).done || !entryNext.call(entryIterator).done) throw TypeError('Expected sequence with length 2');
+          entries.push({
+            key: first.value + '',
+            value: second.value + ''
+          });
+        }
+      } else for (key in init) if (hasOwn(init, key)) entries.push({
+        key: key,
+        value: init[key] + ''
+      });
+    } else {
+      parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
+    }
+  }
+};
+
+var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;
+redefineAll(URLSearchParamsPrototype, {
+  // `URLSearchParams.prototype.appent` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-append
+  append: function append(name, value) {
+    validateArgumentsLength(arguments.length, 2);
+    var state = getInternalParamsState(this);
+    state.entries.push({
+      key: name + '',
+      value: value + ''
+    });
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.delete` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-delete
+  'delete': function _delete(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var state = getInternalParamsState(this);
+    var entries = state.entries;
+    var key = name + '';
+    var index = 0;
+
+    while (index < entries.length) {
+      if (entries[index].key === key) entries.splice(index, 1);else index++;
+    }
+
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.get` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-get
+  get: function get(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var index = 0;
+
+    for (; index < entries.length; index++) {
+      if (entries[index].key === key) return entries[index].value;
+    }
+
+    return null;
+  },
+  // `URLSearchParams.prototype.getAll` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-getall
+  getAll: function getAll(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var result = [];
+    var index = 0;
+
+    for (; index < entries.length; index++) {
+      if (entries[index].key === key) result.push(entries[index].value);
+    }
+
+    return result;
+  },
+  // `URLSearchParams.prototype.has` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-has
+  has: function has(name) {
+    validateArgumentsLength(arguments.length, 1);
+    var entries = getInternalParamsState(this).entries;
+    var key = name + '';
+    var index = 0;
+
+    while (index < entries.length) {
+      if (entries[index++].key === key) return true;
+    }
+
+    return false;
+  },
+  // `URLSearchParams.prototype.set` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-set
+  set: function set(name, value) {
+    validateArgumentsLength(arguments.length, 1);
+    var state = getInternalParamsState(this);
+    var entries = state.entries;
+    var found = false;
+    var key = name + '';
+    var val = value + '';
+    var index = 0;
+    var entry;
+
+    for (; index < entries.length; index++) {
+      entry = entries[index];
+
+      if (entry.key === key) {
+        if (found) entries.splice(index--, 1);else {
+          found = true;
+          entry.value = val;
+        }
+      }
+    }
+
+    if (!found) entries.push({
+      key: key,
+      value: val
+    });
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.sort` method
+  // https://url.spec.whatwg.org/#dom-urlsearchparams-sort
+  sort: function sort() {
+    var state = getInternalParamsState(this);
+    var entries = state.entries; // Array#sort is not stable in some engines
+
+    var slice = entries.slice();
+    var entry, entriesIndex, sliceIndex;
+    entries.length = 0;
+
+    for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
+      entry = slice[sliceIndex];
+
+      for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
+        if (entries[entriesIndex].key > entry.key) {
+          entries.splice(entriesIndex, 0, entry);
+          break;
+        }
+      }
+
+      if (entriesIndex === sliceIndex) entries.push(entry);
+    }
+
+    state.updateURL();
+  },
+  // `URLSearchParams.prototype.forEach` method
+  forEach: function forEach(callback
+  /* , thisArg */
+  ) {
+    var entries = getInternalParamsState(this).entries;
+    var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
+    var index = 0;
+    var entry;
+
+    while (index < entries.length) {
+      entry = entries[index++];
+      boundFunction(entry.value, entry.key, this);
+    }
+  },
+  // `URLSearchParams.prototype.keys` method
+  keys: function keys() {
+    return new URLSearchParamsIterator(this, 'keys');
+  },
+  // `URLSearchParams.prototype.values` method
+  values: function values() {
+    return new URLSearchParamsIterator(this, 'values');
+  },
+  // `URLSearchParams.prototype.entries` method
+  entries: function entries() {
+    return new URLSearchParamsIterator(this, 'entries');
+  }
+}, {
+  enumerable: true
+}); // `URLSearchParams.prototype[@@iterator]` method
+
+redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries); // `URLSearchParams.prototype.toString` method
+// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
+
+redefine(URLSearchParamsPrototype, 'toString', function toString() {
+  var entries = getInternalParamsState(this).entries;
+  var result = [];
+  var index = 0;
+  var entry;
+
+  while (index < entries.length) {
+    entry = entries[index++];
+    result.push(serialize(entry.key) + '=' + serialize(entry.value));
+  }
+
+  return result.join('&');
+}, {
+  enumerable: true
+});
+setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);
+$({
+  global: true,
+  forced: !USE_NATIVE_URL
+}, {
+  URLSearchParams: URLSearchParamsConstructor
+}); // Wrap `fetch` for correct work with polyfilled `URLSearchParams`
+// https://github.com/zloirock/core-js/issues/674
+
+if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
+  $({
+    global: true,
+    enumerable: true,
+    forced: true
+  }, {
+    fetch: function fetch(input
+    /* , init */
+    ) {
+      var args = [input];
+      var init, body, headers;
+
+      if (arguments.length > 1) {
+        init = arguments[1];
+
+        if (isObject(init)) {
+          body = init.body;
+
+          if (classof(body) === URL_SEARCH_PARAMS) {
+            headers = init.headers ? new Headers(init.headers) : new Headers();
+
+            if (!headers.has('content-type')) {
+              headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
+            }
+
+            init = create(init, {
+              body: createPropertyDescriptor(0, String(body)),
+              headers: createPropertyDescriptor(0, headers)
+            });
+          }
+        }
+
+        args.push(init);
+      }
+
+      return $fetch.apply(this, args);
+    }
+  });
+}
+
+module.exports = {
+  URLSearchParams: URLSearchParamsConstructor,
+  getState: getInternalParamsState
+};
+
+/***/ }),
+/* 373 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var anObject = __webpack_require__(22);
+
+var getIteratorMethod = __webpack_require__(92);
+
+module.exports = function (it) {
+  var iteratorMethod = getIteratorMethod(it);
+
+  if (typeof iteratorMethod != 'function') {
+    throw TypeError(String(it) + ' is not iterable');
+  }
+
+  return anObject(iteratorMethod.call(it));
+};
+
+/***/ }),
+/* 374 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var $ = __webpack_require__(4); // `URL.prototype.toJSON` method
+// https://url.spec.whatwg.org/#dom-url-tojson
+
+
+$({
+  target: 'URL',
+  proto: true,
+  enumerable: true
+}, {
+  toJSON: function toJSON() {
+    return URL.prototype.toString.call(this);
+  }
+});
+
+/***/ }),
+/* 375 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+var runtime = function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined; // More compressible than void 0.
+
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []); // The ._invoke method unifies the implementations of the .next,
+    // .throw, and .return methods.
+
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+    return generator;
+  }
+
+  exports.wrap = wrap; // Try/catch helper to minimize deoptimizations. Returns a completion
+  // record like context.tryEntries[i].completion. This interface could
+  // have been (and was previously) designed to take a closure to be
+  // invoked without arguments, but in all the cases we care about we
+  // already have an existing method we want to call, so there's no need
+  // to create a new function object. We can even get away with assuming
+  // the method takes exactly one argument, since that happens to be true
+  // in every case, so we don't have to touch the arguments object. The
+  // only additional allocation required is the completion record, which
+  // has a stable shape and so hopefully should be cheap to allocate.
+
+  function tryCatch(fn, obj, arg) {
+    try {
+      return {
+        type: "normal",
+        arg: fn.call(obj, arg)
+      };
+    } catch (err) {
+      return {
+        type: "throw",
+        arg: err
+      };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed"; // Returning this object from the innerFn has the same effect as
+  // breaking out of the dispatch switch statement.
+
+  var ContinueSentinel = {}; // Dummy constructor functions that we use as the .constructor and
+  // .constructor.prototype properties for functions that return Generator
+  // objects. For full spec compliance, you may wish to configure your
+  // minifier not to mangle the names of these two functions.
+
+  function Generator() {}
+
+  function GeneratorFunction() {}
+
+  function GeneratorFunctionPrototype() {} // This is a polyfill for %IteratorPrototype% for environments that
+  // don't natively support it.
+
+
+  var IteratorPrototype = {};
+
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+
+  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    // This environment has a native %IteratorPrototype%; use it instead
+    // of the polyfill.
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction"; // Helper for defining the .next, .throw, and .return methods of the
+  // Iterator interface in terms of a single ._invoke method.
+
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function (method) {
+      prototype[method] = function (arg) {
+        return this._invoke(method, arg);
+      };
+    });
+  }
+
+  exports.isGeneratorFunction = function (genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor ? ctor === GeneratorFunction || // For the native GeneratorFunction constructor, the best we can
+    // do is to check its .name property.
+    (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
+  };
+
+  exports.mark = function (genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+
+      if (!(toStringTagSymbol in genFun)) {
+        genFun[toStringTagSymbol] = "GeneratorFunction";
+      }
+    }
+
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  }; // Within the body of any async function, `await x` is transformed to
+  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
+  // `hasOwn.call(value, "__await")` to determine if the yielded value is
+  // meant to be awaited.
+
+
+  exports.awrap = function (arg) {
+    return {
+      __await: arg
+    };
+  };
+
+  function AsyncIterator(generator, PromiseImpl) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+
+        if (value && typeof value === "object" && hasOwn.call(value, "__await")) {
+          return PromiseImpl.resolve(value.__await).then(function (value) {
+            invoke("next", value, resolve, reject);
+          }, function (err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return PromiseImpl.resolve(value).then(function (unwrapped) {
+          // When a yielded Promise is resolved, its final value becomes
+          // the .value of the Promise<{value,done}> result for the
+          // current iteration.
+          result.value = unwrapped;
+          resolve(result);
+        }, function (error) {
+          // If a rejected Promise was yielded, throw the rejection back
+          // into the async generator function so it can be handled there.
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new PromiseImpl(function (resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise = // If enqueue has been called before, then we want to wait until
+      // all previous Promises have been resolved before calling invoke,
+      // so that results are always delivered in the correct order. If
+      // enqueue has not been called before, then it is important to
+      // call invoke immediately, without waiting on a callback to fire,
+      // so that the async generator function has the opportunity to do
+      // any necessary setup in a predictable way. This predictability
+      // is why the Promise constructor synchronously invokes its
+      // executor callback, and why async functions synchronously
+      // execute code before the first await. Since we implement simple
+      // async functions in terms of async generators, it is especially
+      // important to get this right, even though it requires care.
+      previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, // Avoid propagating failures to Promises returned by later
+      // invocations of the iterator.
+      callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
+    } // Define the unified helper method that is used to implement .next,
+    // .throw, and .return (see defineIteratorMethods).
+
+
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+
+  exports.AsyncIterator = AsyncIterator; // Note that simple async functions are implemented on top of
+  // AsyncIterator objects; they just return a Promise for the value of
+  // the final result produced by the iterator.
+
+  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
+    if (PromiseImpl === void 0) PromiseImpl = Promise;
+    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
+    return exports.isGeneratorFunction(outerFn) ? iter // If outerFn is a generator, return the full iterator.
+    : iter.next().then(function (result) {
+      return result.done ? result.value : iter.next();
+    });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        } // Be forgiving, per 25.3.3.3.3 of the spec:
+        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
+
+
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          // Setting context._sent for legacy support of Babel's
+          // function.sent implementation.
+          context.sent = context._sent = context.arg;
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+        var record = tryCatch(innerFn, self, context);
+
+        if (record.type === "normal") {
+          // If an exception is thrown from innerFn, we leave state ===
+          // GenStateExecuting and loop back for another invocation.
+          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+        } else if (record.type === "throw") {
+          state = GenStateCompleted; // Dispatch the exception by looping back around to the
+          // context.dispatchException(context.arg) call above.
+
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  } // Call delegate.iterator[context.method](context.arg) and handle the
+  // result, either by returning a { value, done } result from the
+  // delegate iterator, or by modifying context.method and context.arg,
+  // setting context.delegate to null, and returning the ContinueSentinel.
+
+
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+
+    if (method === undefined) {
+      // A .throw or .return when the delegate iterator has no .throw
+      // method always terminates the yield* loop.
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        // Note: ["return"] must be used for ES3 parsing compatibility.
+        if (delegate.iterator["return"]) {
+          // If the delegate iterator has a return method, give it a
+          // chance to clean up.
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            // If maybeInvokeDelegate(context) changed context.method from
+            // "return" to "throw", let that override the TypeError below.
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError("The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (!info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      // Assign the result of the finished delegate to the temporary
+      // variable specified by delegate.resultName (see delegateYield).
+      context[delegate.resultName] = info.value; // Resume execution at the desired location (see delegateYield).
+
+      context.next = delegate.nextLoc; // If context.method was "throw" but the delegate handled the
+      // exception, let the outer generator proceed normally. If
+      // context.method was "next", forget context.arg since it has been
+      // "consumed" by the delegate iterator. If context.method was
+      // "return", allow the original .return call to continue in the
+      // outer generator.
+
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+    } else {
+      // Re-yield the result returned by the delegate method.
+      return info;
+    } // The delegate iterator is finished, so forget it and continue with
+    // the outer generator.
+
+
+    context.delegate = null;
+    return ContinueSentinel;
+  } // Define Generator.prototype.{next,throw,return} in terms of the
+  // unified ._invoke helper method.
+
+
+  defineIteratorMethods(Gp);
+  Gp[toStringTagSymbol] = "Generator"; // A Generator should always return itself as the iterator object when the
+  // @@iterator function is called on it. Some browsers' implementations of the
+  // iterator prototype chain incorrectly implement this, causing the Generator
+  // object to not be returned from this call. This ensures that doesn't happen.
+  // See https://github.com/facebook/regenerator/issues/274 for more details.
+
+  Gp[iteratorSymbol] = function () {
+    return this;
+  };
+
+  Gp.toString = function () {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = {
+      tryLoc: locs[0]
+    };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    // The root entry object (effectively a try statement without a catch
+    // or a finally block) gives us a place to store values thrown from
+    // locations where there is no enclosing try statement.
+    this.tryEntries = [{
+      tryLoc: "root"
+    }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function (object) {
+    var keys = [];
+
+    for (var key in object) {
+      keys.push(key);
+    }
+
+    keys.reverse(); // Rather than returning an object with a next method, we keep
+    // things simple and return the next function itself.
+
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      } // To avoid creating an additional object, we just hang the .value
+      // and .done properties off the next function object itself. This
+      // also ensures that the minifier will not anonymize the function.
+
+
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1,
+            next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+          return next;
+        };
+
+        return next.next = next;
+      }
+    } // Return an iterator with no values.
+
+
+    return {
+      next: doneResult
+    };
+  }
+
+  exports.values = values;
+
+  function doneResult() {
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+    reset: function reset(skipTempReset) {
+      this.prev = 0;
+      this.next = 0; // Resetting context._sent for legacy support of Babel's
+      // function.sent implementation.
+
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+      this.method = "next";
+      this.arg = undefined;
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          // Not sure about the optimal order of these conditions:
+          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+    stop: function stop() {
+      this.done = true;
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+    dispatchException: function dispatchException(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          // If the dispatched exception was caught by a catch block,
+          // then let that catch block handle the exception normally.
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          // Exception thrown outside of any try block that could handle
+          // it, so set the completion value of the entire function to
+          // throw the exception.
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+    abrupt: function abrupt(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
+        // Ignore the finally entry if control is not jumping to a
+        // location outside the try/catch block.
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+    complete: function complete(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" || record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+    finish: function finish(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+    "catch": function _catch(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+
+          return thrown;
+        }
+      } // The context.catch method must only be called with a location
+      // argument that corresponds to a known catch block.
+
+
+      throw new Error("illegal catch attempt");
+    },
+    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        // Deliberately forget the last sent value so that we don't
+        // accidentally pass it on to the delegate.
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  }; // Regardless of whether this script is executing as a CommonJS module
+  // or not, return the runtime object so that we can declare the variable
+  // regeneratorRuntime in the outer scope, which allows this module to be
+  // injected easily by `bin/regenerator --include-runtime script.js`.
+
+  return exports;
+}( // If this script is executing as a CommonJS module, use module.exports
+// as the regeneratorRuntime namespace. Otherwise create a new empty
+// object. Either way, the resulting object will be used to initialize
+// the regeneratorRuntime variable at the top of this file.
+ true ? module.exports : undefined);
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  // This module should not be running in strict mode, so the above
+  // assignment should always work unless something is misconfigured. Just
+  // in case runtime.js accidentally runs in strict mode, we can escape
+  // strict mode using a global Function call. This could conceivably fail
+  // if a Content Security Policy forbids using Function, but in that case
+  // the proper solution is to fix the accidental strict mode problem. If
+  // you've misconfigured your bundler to force strict mode and applied a
+  // CSP to forbid Function, and you're not willing to fix either of those
+  // problems, please detail your unique predicament in a GitHub issue.
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
+
+/***/ }),
+/* 376 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Main Linter Class
+ * @author Gyandeep Singh
+ * @author aladdin-add
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const path = __webpack_require__(377),
+      eslintScope = __webpack_require__(378),
+      evk = __webpack_require__(392),
+      espree = __webpack_require__(394),
+      lodash = __webpack_require__(403),
+      BuiltInEnvironments = __webpack_require__(405),
+      pkg = __webpack_require__(408),
+      astUtils = __webpack_require__(409),
+      ConfigOps = __webpack_require__(410),
+      validator = __webpack_require__(411),
+      Traverser = __webpack_require__(639),
+      {
+  SourceCode
+} = __webpack_require__(775),
+      CodePathAnalyzer = __webpack_require__(790),
+      applyDisableDirectives = __webpack_require__(797),
+      ConfigCommentParser = __webpack_require__(798),
+      NodeEventGenerator = __webpack_require__(811),
+      createReportTranslator = __webpack_require__(813),
+      Rules = __webpack_require__(816),
+      createEmitter = __webpack_require__(818),
+      SourceCodeFixer = __webpack_require__(819),
+      timing = __webpack_require__(820),
+      ruleReplacements = __webpack_require__(821);
+
+const debug = __webpack_require__(416)("eslint:linter");
+
+const MAX_AUTOFIX_PASSES = 10;
+const DEFAULT_PARSER_NAME = "espree";
+const commentParser = new ConfigCommentParser();
+const DEFAULT_ERROR_LOC = {
+  start: {
+    line: 1,
+    column: 0
+  },
+  end: {
+    line: 1,
+    column: 1
+  }
+}; //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/** @typedef {InstanceType<import("../cli-engine/config-array")["ConfigArray"]>} ConfigArray */
+
+/** @typedef {InstanceType<import("../cli-engine/config-array")["ExtractedConfig"]>} ExtractedConfig */
+
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+
+/** @typedef {import("../shared/types").Environment} Environment */
+
+/** @typedef {import("../shared/types").GlobalConf} GlobalConf */
+
+/** @typedef {import("../shared/types").LintMessage} LintMessage */
+
+/** @typedef {import("../shared/types").ParserOptions} ParserOptions */
+
+/** @typedef {import("../shared/types").Processor} Processor */
+
+/** @typedef {import("../shared/types").Rule} Rule */
+
+/**
+ * @template T
+ * @typedef {{ [P in keyof T]-?: T[P] }} Required
+ */
+
+/**
+ * @typedef {Object} DisableDirective
+ * @property {("disable"|"enable"|"disable-line"|"disable-next-line")} type
+ * @property {number} line
+ * @property {number} column
+ * @property {(string|null)} ruleId
+ */
+
+/**
+ * The private data for `Linter` instance.
+ * @typedef {Object} LinterInternalSlots
+ * @property {ConfigArray|null} lastConfigArray The `ConfigArray` instance that the last `verify()` call used.
+ * @property {SourceCode|null} lastSourceCode The `SourceCode` instance that the last `verify()` call used.
+ * @property {Map<string, Parser>} parserMap The loaded parsers.
+ * @property {Rules} ruleMap The loaded rules.
+ */
+
+/**
+ * @typedef {Object} VerifyOptions
+ * @property {boolean} [allowInlineConfig] Allow/disallow inline comments' ability
+ *      to change config once it is set. Defaults to true if not supplied.
+ *      Useful if you want to validate JS without comments overriding rules.
+ * @property {boolean} [disableFixes] if `true` then the linter doesn't make `fix`
+ *      properties into the lint result.
+ * @property {string} [filename] the filename of the source code.
+ * @property {boolean | "off" | "warn" | "error"} [reportUnusedDisableDirectives] Adds reported errors for
+ *      unused `eslint-disable` directives.
+ */
+
+/**
+ * @typedef {Object} ProcessorOptions
+ * @property {(filename:string, text:string) => boolean} [filterCodeBlock] the
+ *      predicate function that selects adopt code blocks.
+ * @property {Processor["postprocess"]} [postprocess] postprocessor for report
+ *      messages. If provided, this should accept an array of the message lists
+ *      for each code block returned from the preprocessor, apply a mapping to
+ *      the messages as appropriate, and return a one-dimensional array of
+ *      messages.
+ * @property {Processor["preprocess"]} [preprocess] preprocessor for source text.
+ *      If provided, this should accept a string of source text, and return an
+ *      array of code blocks to lint.
+ */
+
+/**
+ * @typedef {Object} FixOptions
+ * @property {boolean | ((message: LintMessage) => boolean)} [fix] Determines
+ *      whether fixes should be applied.
+ */
+
+/**
+ * @typedef {Object} InternalOptions
+ * @property {string | null} warnInlineConfig The config name what `noInlineConfig` setting came from. If `noInlineConfig` setting didn't exist, this is null. If this is a config name, then the linter warns directive comments.
+ * @property {"off" | "warn" | "error"} reportUnusedDisableDirectives (boolean values were normalized)
+ */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Ensures that variables representing built-in properties of the Global Object,
+ * and any globals declared by special block comments, are present in the global
+ * scope.
+ * @param {Scope} globalScope The global scope.
+ * @param {Object} configGlobals The globals declared in configuration
+ * @param {{exportedVariables: Object, enabledGlobals: Object}} commentDirectives Directives from comment configuration
+ * @returns {void}
+ */
+
+function addDeclaredGlobals(globalScope, configGlobals, {
+  exportedVariables,
+  enabledGlobals
+}) {
+  // Define configured global variables.
+  for (const id of new Set([...Object.keys(configGlobals), ...Object.keys(enabledGlobals)])) {
+    /*
+     * `ConfigOps.normalizeConfigGlobal` will throw an error if a configured global value is invalid. However, these errors would
+     * typically be caught when validating a config anyway (validity for inline global comments is checked separately).
+     */
+    const configValue = configGlobals[id] === void 0 ? void 0 : ConfigOps.normalizeConfigGlobal(configGlobals[id]);
+    const commentValue = enabledGlobals[id] && enabledGlobals[id].value;
+    const value = commentValue || configValue;
+    const sourceComments = enabledGlobals[id] && enabledGlobals[id].comments;
+
+    if (value === "off") {
+      continue;
+    }
+
+    let variable = globalScope.set.get(id);
+
+    if (!variable) {
+      variable = new eslintScope.Variable(id, globalScope);
+      globalScope.variables.push(variable);
+      globalScope.set.set(id, variable);
+    }
+
+    variable.eslintImplicitGlobalSetting = configValue;
+    variable.eslintExplicitGlobal = sourceComments !== void 0;
+    variable.eslintExplicitGlobalComments = sourceComments;
+    variable.writeable = value === "writable";
+  } // mark all exported variables as such
+
+
+  Object.keys(exportedVariables).forEach(name => {
+    const variable = globalScope.set.get(name);
+
+    if (variable) {
+      variable.eslintUsed = true;
+    }
+  });
+  /*
+   * "through" contains all references which definitions cannot be found.
+   * Since we augment the global scope using configuration, we need to update
+   * references and remove the ones that were added by configuration.
+   */
+
+  globalScope.through = globalScope.through.filter(reference => {
+    const name = reference.identifier.name;
+    const variable = globalScope.set.get(name);
+
+    if (variable) {
+      /*
+       * Links the variable and the reference.
+       * And this reference is removed from `Scope#through`.
+       */
+      reference.resolved = variable;
+      variable.references.push(reference);
+      return false;
+    }
+
+    return true;
+  });
+}
+/**
+ * creates a missing-rule message.
+ * @param {string} ruleId the ruleId to create
+ * @returns {string} created error message
+ * @private
+ */
+
+
+function createMissingRuleMessage(ruleId) {
+  return Object.prototype.hasOwnProperty.call(ruleReplacements.rules, ruleId) ? "Rule '".concat(ruleId, "' was removed and replaced by: ").concat(ruleReplacements.rules[ruleId].join(", ")) : "Definition for rule '".concat(ruleId, "' was not found.");
+}
+/**
+ * creates a linting problem
+ * @param {Object} options to create linting error
+ * @param {string} [options.ruleId] the ruleId to report
+ * @param {Object} [options.loc] the loc to report
+ * @param {string} [options.message] the error message to report
+ * @param {string} [options.severity] the error message to report
+ * @returns {LintMessage} created problem, returns a missing-rule problem if only provided ruleId.
+ * @private
+ */
+
+
+function createLintingProblem(options) {
+  const {
+    ruleId = null,
+    loc = DEFAULT_ERROR_LOC,
+    message = createMissingRuleMessage(options.ruleId),
+    severity = 2
+  } = options;
+  return {
+    ruleId,
+    message,
+    line: loc.start.line,
+    column: loc.start.column + 1,
+    endLine: loc.end.line,
+    endColumn: loc.end.column + 1,
+    severity,
+    nodeType: null
+  };
+}
+/**
+ * Creates a collection of disable directives from a comment
+ * @param {Object} options to create disable directives
+ * @param {("disable"|"enable"|"disable-line"|"disable-next-line")} options.type The type of directive comment
+ * @param {{line: number, column: number}} options.loc The 0-based location of the comment token
+ * @param {string} options.value The value after the directive in the comment
+ * comment specified no specific rules, so it applies to all rules (e.g. `eslint-disable`)
+ * @param {function(string): {create: Function}} options.ruleMapper A map from rule IDs to defined rules
+ * @returns {Object} Directives and problems from the comment
+ */
+
+
+function createDisableDirectives(options) {
+  const {
+    type,
+    loc,
+    value,
+    ruleMapper
+  } = options;
+  const ruleIds = Object.keys(commentParser.parseListConfig(value));
+  const directiveRules = ruleIds.length ? ruleIds : [null];
+  const result = {
+    directives: [],
+    // valid disable directives
+    directiveProblems: [] // problems in directives
+
+  };
+
+  for (const ruleId of directiveRules) {
+    // push to directives, if the rule is defined(including null, e.g. /*eslint enable*/)
+    if (ruleId === null || ruleMapper(ruleId) !== null) {
+      result.directives.push({
+        type,
+        line: loc.start.line,
+        column: loc.start.column + 1,
+        ruleId
+      });
+    } else {
+      result.directiveProblems.push(createLintingProblem({
+        ruleId,
+        loc
+      }));
+    }
+  }
+
+  return result;
+}
+/**
+ * Remove the ignored part from a given directive comment and trim it.
+ * @param {string} value The comment text to strip.
+ * @returns {string} The stripped text.
+ */
+
+
+function stripDirectiveComment(value) {
+  return value.split(/\s-{2,}\s/u)[0].trim();
+}
+/**
+ * Parses comments in file to extract file-specific config of rules, globals
+ * and environments and merges them with global config; also code blocks
+ * where reporting is disabled or enabled and merges them with reporting config.
+ * @param {string} filename The file being checked.
+ * @param {ASTNode} ast The top node of the AST.
+ * @param {function(string): {create: Function}} ruleMapper A map from rule IDs to defined rules
+ * @param {string|null} warnInlineConfig If a string then it should warn directive comments as disabled. The string value is the config name what the setting came from.
+ * @returns {{configuredRules: Object, enabledGlobals: {value:string,comment:Token}[], exportedVariables: Object, problems: Problem[], disableDirectives: DisableDirective[]}}
+ * A collection of the directive comments that were found, along with any problems that occurred when parsing
+ */
+
+
+function getDirectiveComments(filename, ast, ruleMapper, warnInlineConfig) {
+  const configuredRules = {};
+  const enabledGlobals = Object.create(null);
+  const exportedVariables = {};
+  const problems = [];
+  const disableDirectives = [];
+  ast.comments.filter(token => token.type !== "Shebang").forEach(comment => {
+    const trimmedCommentText = stripDirectiveComment(comment.value);
+    const match = /^(eslint(?:-env|-enable|-disable(?:(?:-next)?-line)?)?|exported|globals?)(?:\s|$)/u.exec(trimmedCommentText);
+
+    if (!match) {
+      return;
+    }
+
+    const directiveText = match[1];
+    const lineCommentSupported = /^eslint-disable-(next-)?line$/u.test(directiveText);
+
+    if (comment.type === "Line" && !lineCommentSupported) {
+      return;
+    }
+
+    if (warnInlineConfig) {
+      const kind = comment.type === "Block" ? "/*".concat(directiveText, "*/") : "//".concat(directiveText);
+      problems.push(createLintingProblem({
+        ruleId: null,
+        message: "'".concat(kind, "' has no effect because you have 'noInlineConfig' setting in ").concat(warnInlineConfig, "."),
+        loc: comment.loc,
+        severity: 1
+      }));
+      return;
+    }
+
+    if (lineCommentSupported && comment.loc.start.line !== comment.loc.end.line) {
+      const message = "".concat(directiveText, " comment should not span multiple lines.");
+      problems.push(createLintingProblem({
+        ruleId: null,
+        message,
+        loc: comment.loc
+      }));
+      return;
+    }
+
+    const directiveValue = trimmedCommentText.slice(match.index + directiveText.length);
+
+    switch (directiveText) {
+      case "eslint-disable":
+      case "eslint-enable":
+      case "eslint-disable-next-line":
+      case "eslint-disable-line":
+        {
+          const directiveType = directiveText.slice("eslint-".length);
+          const options = {
+            type: directiveType,
+            loc: comment.loc,
+            value: directiveValue,
+            ruleMapper
+          };
+          const {
+            directives,
+            directiveProblems
+          } = createDisableDirectives(options);
+          disableDirectives.push(...directives);
+          problems.push(...directiveProblems);
+          break;
+        }
+
+      case "exported":
+        Object.assign(exportedVariables, commentParser.parseStringConfig(directiveValue, comment));
+        break;
+
+      case "globals":
+      case "global":
+        for (const [id, {
+          value
+        }] of Object.entries(commentParser.parseStringConfig(directiveValue, comment))) {
+          let normalizedValue;
+
+          try {
+            normalizedValue = ConfigOps.normalizeConfigGlobal(value);
+          } catch (err) {
+            problems.push(createLintingProblem({
+              ruleId: null,
+              loc: comment.loc,
+              message: err.message
+            }));
+            continue;
+          }
+
+          if (enabledGlobals[id]) {
+            enabledGlobals[id].comments.push(comment);
+            enabledGlobals[id].value = normalizedValue;
+          } else {
+            enabledGlobals[id] = {
+              comments: [comment],
+              value: normalizedValue
+            };
+          }
+        }
+
+        break;
+
+      case "eslint":
+        {
+          const parseResult = commentParser.parseJsonConfig(directiveValue, comment.loc);
+
+          if (parseResult.success) {
+            Object.keys(parseResult.config).forEach(name => {
+              const rule = ruleMapper(name);
+              const ruleValue = parseResult.config[name];
+
+              if (rule === null) {
+                problems.push(createLintingProblem({
+                  ruleId: name,
+                  loc: comment.loc
+                }));
+                return;
+              }
+
+              try {
+                validator.validateRuleOptions(rule, name, ruleValue);
+              } catch (err) {
+                problems.push(createLintingProblem({
+                  ruleId: name,
+                  message: err.message,
+                  loc: comment.loc
+                })); // do not apply the config, if found invalid options.
+
+                return;
+              }
+
+              configuredRules[name] = ruleValue;
+            });
+          } else {
+            problems.push(parseResult.error);
+          }
+
+          break;
+        }
+      // no default
+    }
+  });
+  return {
+    configuredRules,
+    enabledGlobals,
+    exportedVariables,
+    problems,
+    disableDirectives
+  };
+}
+/**
+ * Normalize ECMAScript version from the initial config
+ * @param  {number} ecmaVersion ECMAScript version from the initial config
+ * @returns {number} normalized ECMAScript version
+ */
+
+
+function normalizeEcmaVersion(ecmaVersion) {
+  /*
+   * Calculate ECMAScript edition number from official year version starting with
+   * ES2015, which corresponds with ES6 (or a difference of 2009).
+   */
+  return ecmaVersion >= 2015 ? ecmaVersion - 2009 : ecmaVersion;
+}
+
+const eslintEnvPattern = /\/\*\s*eslint-env\s(.+?)\*\//gu;
+/**
+ * Checks whether or not there is a comment which has "eslint-env *" in a given text.
+ * @param {string} text A source code text to check.
+ * @returns {Object|null} A result of parseListConfig() with "eslint-env *" comment.
+ */
+
+function findEslintEnv(text) {
+  let match, retv;
+  eslintEnvPattern.lastIndex = 0;
+
+  while ((match = eslintEnvPattern.exec(text)) !== null) {
+    retv = Object.assign(retv || {}, commentParser.parseListConfig(stripDirectiveComment(match[1])));
+  }
+
+  return retv;
+}
+/**
+ * Convert "/path/to/<text>" to "<text>".
+ * `CLIEngine#executeOnText()` method gives "/path/to/<text>" if the filename
+ * was omitted because `configArray.extractConfig()` requires an absolute path.
+ * But the linter should pass `<text>` to `RuleContext#getFilename()` in that
+ * case.
+ * Also, code blocks can have their virtual filename. If the parent filename was
+ * `<text>`, the virtual filename is `<text>/0_foo.js` or something like (i.e.,
+ * it's not an absolute path).
+ * @param {string} filename The filename to normalize.
+ * @returns {string} The normalized filename.
+ */
+
+
+function normalizeFilename(filename) {
+  const parts = filename.split(path.sep);
+  const index = parts.lastIndexOf("<text>");
+  return index === -1 ? filename : parts.slice(index).join(path.sep);
+}
+/**
+ * Normalizes the possible options for `linter.verify` and `linter.verifyAndFix` to a
+ * consistent shape.
+ * @param {VerifyOptions} providedOptions Options
+ * @param {ConfigData} config Config.
+ * @returns {Required<VerifyOptions> & InternalOptions} Normalized options
+ */
+
+
+function normalizeVerifyOptions(providedOptions, config) {
+  const disableInlineConfig = config.noInlineConfig === true;
+  const ignoreInlineConfig = providedOptions.allowInlineConfig === false;
+  const configNameOfNoInlineConfig = config.configNameOfNoInlineConfig ? " (".concat(config.configNameOfNoInlineConfig, ")") : "";
+  let reportUnusedDisableDirectives = providedOptions.reportUnusedDisableDirectives;
+
+  if (typeof reportUnusedDisableDirectives === "boolean") {
+    reportUnusedDisableDirectives = reportUnusedDisableDirectives ? "error" : "off";
+  }
+
+  if (typeof reportUnusedDisableDirectives !== "string") {
+    reportUnusedDisableDirectives = config.reportUnusedDisableDirectives ? "warn" : "off";
+  }
+
+  return {
+    filename: normalizeFilename(providedOptions.filename || "<input>"),
+    allowInlineConfig: !ignoreInlineConfig,
+    warnInlineConfig: disableInlineConfig && !ignoreInlineConfig ? "your config".concat(configNameOfNoInlineConfig) : null,
+    reportUnusedDisableDirectives,
+    disableFixes: Boolean(providedOptions.disableFixes)
+  };
+}
+/**
+ * Combines the provided parserOptions with the options from environments
+ * @param {string} parserName The parser name which uses this options.
+ * @param {ParserOptions} providedOptions The provided 'parserOptions' key in a config
+ * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments
+ * @returns {ParserOptions} Resulting parser options after merge
+ */
+
+
+function resolveParserOptions(parserName, providedOptions, enabledEnvironments) {
+  const parserOptionsFromEnv = enabledEnvironments.filter(env => env.parserOptions).reduce((parserOptions, env) => lodash.merge(parserOptions, env.parserOptions), {});
+  const mergedParserOptions = lodash.merge(parserOptionsFromEnv, providedOptions || {});
+  const isModule = mergedParserOptions.sourceType === "module";
+
+  if (isModule) {
+    /*
+     * can't have global return inside of modules
+     * TODO: espree validate parserOptions.globalReturn when sourceType is setting to module.(@aladdin-add)
+     */
+    mergedParserOptions.ecmaFeatures = Object.assign({}, mergedParserOptions.ecmaFeatures, {
+      globalReturn: false
+    });
+  }
+  /*
+   * TODO: @aladdin-add
+   * 1. for a 3rd-party parser, do not normalize parserOptions
+   * 2. for espree, no need to do this (espree will do it)
+   */
+
+
+  mergedParserOptions.ecmaVersion = normalizeEcmaVersion(mergedParserOptions.ecmaVersion);
+  return mergedParserOptions;
+}
+/**
+ * Combines the provided globals object with the globals from environments
+ * @param {Record<string, GlobalConf>} providedGlobals The 'globals' key in a config
+ * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments
+ * @returns {Record<string, GlobalConf>} The resolved globals object
+ */
+
+
+function resolveGlobals(providedGlobals, enabledEnvironments) {
+  return Object.assign({}, ...enabledEnvironments.filter(env => env.globals).map(env => env.globals), providedGlobals);
+}
+/**
+ * Strips Unicode BOM from a given text.
+ * @param {string} text A text to strip.
+ * @returns {string} The stripped text.
+ */
+
+
+function stripUnicodeBOM(text) {
+  /*
+   * Check Unicode BOM.
+   * In JavaScript, string data is stored as UTF-16, so BOM is 0xFEFF.
+   * http://www.ecma-international.org/ecma-262/6.0/#sec-unicode-format-control-characters
+   */
+  if (text.charCodeAt(0) === 0xFEFF) {
+    return text.slice(1);
+  }
+
+  return text;
+}
+/**
+ * Get the options for a rule (not including severity), if any
+ * @param {Array|number} ruleConfig rule configuration
+ * @returns {Array} of rule options, empty Array if none
+ */
+
+
+function getRuleOptions(ruleConfig) {
+  if (Array.isArray(ruleConfig)) {
+    return ruleConfig.slice(1);
+  }
+
+  return [];
+}
+/**
+ * Analyze scope of the given AST.
+ * @param {ASTNode} ast The `Program` node to analyze.
+ * @param {ParserOptions} parserOptions The parser options.
+ * @param {Record<string, string[]>} visitorKeys The visitor keys.
+ * @returns {ScopeManager} The analysis result.
+ */
+
+
+function analyzeScope(ast, parserOptions, visitorKeys) {
+  const ecmaFeatures = parserOptions.ecmaFeatures || {};
+  const ecmaVersion = parserOptions.ecmaVersion || 5;
+  return eslintScope.analyze(ast, {
+    ignoreEval: true,
+    nodejsScope: ecmaFeatures.globalReturn,
+    impliedStrict: ecmaFeatures.impliedStrict,
+    ecmaVersion,
+    sourceType: parserOptions.sourceType || "script",
+    childVisitorKeys: visitorKeys || evk.KEYS,
+    fallback: Traverser.getKeys
+  });
+}
+/**
+ * Parses text into an AST. Moved out here because the try-catch prevents
+ * optimization of functions, so it's best to keep the try-catch as isolated
+ * as possible
+ * @param {string} text The text to parse.
+ * @param {Parser} parser The parser to parse.
+ * @param {ParserOptions} providedParserOptions Options to pass to the parser
+ * @param {string} filePath The path to the file being parsed.
+ * @returns {{success: false, error: Problem}|{success: true, sourceCode: SourceCode}}
+ * An object containing the AST and parser services if parsing was successful, or the error if parsing failed
+ * @private
+ */
+
+
+function parse(text, parser, providedParserOptions, filePath) {
+  const textToParse = stripUnicodeBOM(text).replace(astUtils.shebangPattern, (match, captured) => "//".concat(captured));
+  const parserOptions = Object.assign({}, providedParserOptions, {
+    loc: true,
+    range: true,
+    raw: true,
+    tokens: true,
+    comment: true,
+    eslintVisitorKeys: true,
+    eslintScopeManager: true,
+    filePath
+  });
+  /*
+   * Check for parsing errors first. If there's a parsing error, nothing
+   * else can happen. However, a parsing error does not throw an error
+   * from this method - it's just considered a fatal error message, a
+   * problem that ESLint identified just like any other.
+   */
+
+  try {
+    const parseResult = typeof parser.parseForESLint === "function" ? parser.parseForESLint(textToParse, parserOptions) : {
+      ast: parser.parse(textToParse, parserOptions)
+    };
+    const ast = parseResult.ast;
+    const parserServices = parseResult.services || {};
+    const visitorKeys = parseResult.visitorKeys || evk.KEYS;
+    const scopeManager = parseResult.scopeManager || analyzeScope(ast, parserOptions, visitorKeys);
+    return {
+      success: true,
+
+      /*
+       * Save all values that `parseForESLint()` returned.
+       * If a `SourceCode` object is given as the first parameter instead of source code text,
+       * linter skips the parsing process and reuses the source code object.
+       * In that case, linter needs all the values that `parseForESLint()` returned.
+       */
+      sourceCode: new SourceCode({
+        text,
+        ast,
+        parserServices,
+        scopeManager,
+        visitorKeys
+      })
+    };
+  } catch (ex) {
+    // If the message includes a leading line number, strip it:
+    const message = "Parsing error: ".concat(ex.message.replace(/^line \d+:/iu, "").trim());
+    debug("%s\n%s", message, ex.stack);
+    return {
+      success: false,
+      error: {
+        ruleId: null,
+        fatal: true,
+        severity: 2,
+        message,
+        line: ex.lineNumber,
+        column: ex.column
+      }
+    };
+  }
+}
+/**
+ * Gets the scope for the current node
+ * @param {ScopeManager} scopeManager The scope manager for this AST
+ * @param {ASTNode} currentNode The node to get the scope of
+ * @returns {eslint-scope.Scope} The scope information for this node
+ */
+
+
+function _getScope(scopeManager, currentNode) {
+  // On Program node, get the outermost scope to avoid return Node.js special function scope or ES modules scope.
+  const inner = currentNode.type !== "Program";
+
+  for (let node = currentNode; node; node = node.parent) {
+    const scope = scopeManager.acquire(node, inner);
+
+    if (scope) {
+      if (scope.type === "function-expression-name") {
+        return scope.childScopes[0];
+      }
+
+      return scope;
+    }
+  }
+
+  return scopeManager.scopes[0];
+}
+/**
+ * Marks a variable as used in the current scope
+ * @param {ScopeManager} scopeManager The scope manager for this AST. The scope may be mutated by this function.
+ * @param {ASTNode} currentNode The node currently being traversed
+ * @param {Object} parserOptions The options used to parse this text
+ * @param {string} name The name of the variable that should be marked as used.
+ * @returns {boolean} True if the variable was found and marked as used, false if not.
+ */
+
+
+function _markVariableAsUsed(scopeManager, currentNode, parserOptions, name) {
+  const hasGlobalReturn = parserOptions.ecmaFeatures && parserOptions.ecmaFeatures.globalReturn;
+  const specialScope = hasGlobalReturn || parserOptions.sourceType === "module";
+
+  const currentScope = _getScope(scopeManager, currentNode); // Special Node.js scope means we need to start one level deeper
+
+
+  const initialScope = currentScope.type === "global" && specialScope ? currentScope.childScopes[0] : currentScope;
+
+  for (let scope = initialScope; scope; scope = scope.upper) {
+    const variable = scope.variables.find(scopeVar => scopeVar.name === name);
+
+    if (variable) {
+      variable.eslintUsed = true;
+      return true;
+    }
+  }
+
+  return false;
+}
+/**
+ * Runs a rule, and gets its listeners
+ * @param {Rule} rule A normalized rule with a `create` method
+ * @param {Context} ruleContext The context that should be passed to the rule
+ * @returns {Object} A map of selector listeners provided by the rule
+ */
+
+
+function createRuleListeners(rule, ruleContext) {
+  try {
+    return rule.create(ruleContext);
+  } catch (ex) {
+    ex.message = "Error while loading rule '".concat(ruleContext.id, "': ").concat(ex.message);
+    throw ex;
+  }
+}
+/**
+ * Gets all the ancestors of a given node
+ * @param {ASTNode} node The node
+ * @returns {ASTNode[]} All the ancestor nodes in the AST, not including the provided node, starting
+ * from the root node and going inwards to the parent node.
+ */
+
+
+function _getAncestors(node) {
+  const ancestorsStartingAtParent = [];
+
+  for (let ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
+    ancestorsStartingAtParent.push(ancestor);
+  }
+
+  return ancestorsStartingAtParent.reverse();
+} // methods that exist on SourceCode object
+
+
+const DEPRECATED_SOURCECODE_PASSTHROUGHS = {
+  getSource: "getText",
+  getSourceLines: "getLines",
+  getAllComments: "getAllComments",
+  getNodeByRangeIndex: "getNodeByRangeIndex",
+  getComments: "getComments",
+  getCommentsBefore: "getCommentsBefore",
+  getCommentsAfter: "getCommentsAfter",
+  getCommentsInside: "getCommentsInside",
+  getJSDocComment: "getJSDocComment",
+  getFirstToken: "getFirstToken",
+  getFirstTokens: "getFirstTokens",
+  getLastToken: "getLastToken",
+  getLastTokens: "getLastTokens",
+  getTokenAfter: "getTokenAfter",
+  getTokenBefore: "getTokenBefore",
+  getTokenByRangeStart: "getTokenByRangeStart",
+  getTokens: "getTokens",
+  getTokensAfter: "getTokensAfter",
+  getTokensBefore: "getTokensBefore",
+  getTokensBetween: "getTokensBetween"
+};
+const BASE_TRAVERSAL_CONTEXT = Object.freeze(Object.keys(DEPRECATED_SOURCECODE_PASSTHROUGHS).reduce((contextInfo, methodName) => Object.assign(contextInfo, {
+  [methodName](...args) {
+    return this.getSourceCode()[DEPRECATED_SOURCECODE_PASSTHROUGHS[methodName]](...args);
+  }
+
+}), {}));
+/**
+ * Runs the given rules on the given SourceCode object
+ * @param {SourceCode} sourceCode A SourceCode object for the given text
+ * @param {Object} configuredRules The rules configuration
+ * @param {function(string): Rule} ruleMapper A mapper function from rule names to rules
+ * @param {Object} parserOptions The options that were passed to the parser
+ * @param {string} parserName The name of the parser in the config
+ * @param {Object} settings The settings that were enabled in the config
+ * @param {string} filename The reported filename of the code
+ * @param {boolean} disableFixes If true, it doesn't make `fix` properties.
+ * @param {string | undefined} cwd cwd of the cli
+ * @returns {Problem[]} An array of reported problems
+ */
+
+function runRules(sourceCode, configuredRules, ruleMapper, parserOptions, parserName, settings, filename, disableFixes, cwd) {
+  const emitter = createEmitter();
+  const nodeQueue = [];
+  let currentNode = sourceCode.ast;
+  Traverser.traverse(sourceCode.ast, {
+    enter(node, parent) {
+      node.parent = parent;
+      nodeQueue.push({
+        isEntering: true,
+        node
+      });
+    },
+
+    leave(node) {
+      nodeQueue.push({
+        isEntering: false,
+        node
+      });
+    },
+
+    visitorKeys: sourceCode.visitorKeys
+  });
+  /*
+   * Create a frozen object with the ruleContext properties and methods that are shared by all rules.
+   * All rule contexts will inherit from this object. This avoids the performance penalty of copying all the
+   * properties once for each rule.
+   */
+
+  const sharedTraversalContext = Object.freeze(Object.assign(Object.create(BASE_TRAVERSAL_CONTEXT), {
+    getAncestors: () => _getAncestors(currentNode),
+    getDeclaredVariables: sourceCode.scopeManager.getDeclaredVariables.bind(sourceCode.scopeManager),
+    getCwd: () => cwd,
+    getFilename: () => filename,
+    getScope: () => _getScope(sourceCode.scopeManager, currentNode),
+    getSourceCode: () => sourceCode,
+    markVariableAsUsed: name => _markVariableAsUsed(sourceCode.scopeManager, currentNode, parserOptions, name),
+    parserOptions,
+    parserPath: parserName,
+    parserServices: sourceCode.parserServices,
+    settings
+  }));
+  const lintingProblems = [];
+  Object.keys(configuredRules).forEach(ruleId => {
+    const severity = ConfigOps.getRuleSeverity(configuredRules[ruleId]); // not load disabled rules
+
+    if (severity === 0) {
+      return;
+    }
+
+    const rule = ruleMapper(ruleId);
+
+    if (rule === null) {
+      lintingProblems.push(createLintingProblem({
+        ruleId
+      }));
+      return;
+    }
+
+    const messageIds = rule.meta && rule.meta.messages;
+    let reportTranslator = null;
+    const ruleContext = Object.freeze(Object.assign(Object.create(sharedTraversalContext), {
+      id: ruleId,
+      options: getRuleOptions(configuredRules[ruleId]),
+
+      report(...args) {
+        /*
+         * Create a report translator lazily.
+         * In a vast majority of cases, any given rule reports zero errors on a given
+         * piece of code. Creating a translator lazily avoids the performance cost of
+         * creating a new translator function for each rule that usually doesn't get
+         * called.
+         *
+         * Using lazy report translators improves end-to-end performance by about 3%
+         * with Node 8.4.0.
+         */
+        if (reportTranslator === null) {
+          reportTranslator = createReportTranslator({
+            ruleId,
+            severity,
+            sourceCode,
+            messageIds,
+            disableFixes
+          });
+        }
+
+        const problem = reportTranslator(...args);
+
+        if (problem.fix && rule.meta && !rule.meta.fixable) {
+          throw new Error("Fixable rules should export a `meta.fixable` property.");
+        }
+
+        lintingProblems.push(problem);
+      }
+
+    }));
+    const ruleListeners = createRuleListeners(rule, ruleContext); // add all the selectors from the rule as listeners
+
+    Object.keys(ruleListeners).forEach(selector => {
+      emitter.on(selector, timing.enabled ? timing.time(ruleId, ruleListeners[selector]) : ruleListeners[selector]);
+    });
+  });
+  const eventGenerator = new CodePathAnalyzer(new NodeEventGenerator(emitter));
+  nodeQueue.forEach(traversalInfo => {
+    currentNode = traversalInfo.node;
+
+    try {
+      if (traversalInfo.isEntering) {
+        eventGenerator.enterNode(currentNode);
+      } else {
+        eventGenerator.leaveNode(currentNode);
+      }
+    } catch (err) {
+      err.currentNode = currentNode;
+      throw err;
+    }
+  });
+  return lintingProblems;
+}
+/**
+ * Ensure the source code to be a string.
+ * @param {string|SourceCode} textOrSourceCode The text or source code object.
+ * @returns {string} The source code text.
+ */
+
+
+function ensureText(textOrSourceCode) {
+  if (typeof textOrSourceCode === "object") {
+    const {
+      hasBOM,
+      text
+    } = textOrSourceCode;
+    const bom = hasBOM ? "\uFEFF" : "";
+    return bom + text;
+  }
+
+  return String(textOrSourceCode);
+}
+/**
+ * Get an environment.
+ * @param {LinterInternalSlots} slots The internal slots of Linter.
+ * @param {string} envId The environment ID to get.
+ * @returns {Environment|null} The environment.
+ */
+
+
+function getEnv(slots, envId) {
+  return slots.lastConfigArray && slots.lastConfigArray.pluginEnvironments.get(envId) || BuiltInEnvironments.get(envId) || null;
+}
+/**
+ * Get a rule.
+ * @param {LinterInternalSlots} slots The internal slots of Linter.
+ * @param {string} ruleId The rule ID to get.
+ * @returns {Rule|null} The rule.
+ */
+
+
+function getRule(slots, ruleId) {
+  return slots.lastConfigArray && slots.lastConfigArray.pluginRules.get(ruleId) || slots.ruleMap.get(ruleId);
+}
+/**
+ * Normalize the value of the cwd
+ * @param {string | undefined} cwd raw value of the cwd, path to a directory that should be considered as the current working directory, can be undefined.
+ * @returns {string | undefined} normalized cwd
+ */
+
+
+function normalizeCwd(cwd) {
+  if (cwd) {
+    return cwd;
+  }
+
+  if (typeof process === "object") {
+    return process.cwd();
+  } // It's more explicit to assign the undefined
+  // eslint-disable-next-line no-undefined
+
+
+  return undefined;
+}
+/**
+ * The map to store private data.
+ * @type {WeakMap<Linter, LinterInternalSlots>}
+ */
+
+
+const internalSlotsMap = new WeakMap(); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Object that is responsible for verifying JavaScript text
+ * @name eslint
+ */
+
+class Linter {
+  /**
+   * Initialize the Linter.
+   * @param {Object} [config] the config object
+   * @param {string} [config.cwd]  path to a directory that should be considered as the current working directory, can be undefined.
+   */
+  constructor({
+    cwd
+  } = {}) {
+    internalSlotsMap.set(this, {
+      cwd: normalizeCwd(cwd),
+      lastConfigArray: null,
+      lastSourceCode: null,
+      parserMap: new Map([["espree", espree]]),
+      ruleMap: new Rules()
+    });
+    this.version = pkg.version;
+  }
+  /**
+   * Getter for package version.
+   * @static
+   * @returns {string} The version from package.json.
+   */
+
+
+  static get version() {
+    return pkg.version;
+  }
+  /**
+   * Same as linter.verify, except without support for processors.
+   * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object.
+   * @param {ConfigData} providedConfig An ESLintConfig instance to configure everything.
+   * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked.
+   * @returns {LintMessage[]} The results as an array of messages or an empty array if no messages.
+   */
+
+
+  _verifyWithoutProcessors(textOrSourceCode, providedConfig, providedOptions) {
+    const slots = internalSlotsMap.get(this);
+    const config = providedConfig || {};
+    const options = normalizeVerifyOptions(providedOptions, config);
+    let text; // evaluate arguments
+
+    if (typeof textOrSourceCode === "string") {
+      slots.lastSourceCode = null;
+      text = textOrSourceCode;
+    } else {
+      slots.lastSourceCode = textOrSourceCode;
+      text = textOrSourceCode.text;
+    } // Resolve parser.
+
+
+    let parserName = DEFAULT_PARSER_NAME;
+    let parser = espree;
+
+    if (typeof config.parser === "object" && config.parser !== null) {
+      parserName = config.parser.filePath;
+      parser = config.parser.definition;
+    } else if (typeof config.parser === "string") {
+      if (!slots.parserMap.has(config.parser)) {
+        return [{
+          ruleId: null,
+          fatal: true,
+          severity: 2,
+          message: "Configured parser '".concat(config.parser, "' was not found."),
+          line: 0,
+          column: 0
+        }];
+      }
+
+      parserName = config.parser;
+      parser = slots.parserMap.get(config.parser);
+    } // search and apply "eslint-env *".
+
+
+    const envInFile = options.allowInlineConfig && !options.warnInlineConfig ? findEslintEnv(text) : {};
+    const resolvedEnvConfig = Object.assign({
+      builtin: true
+    }, config.env, envInFile);
+    const enabledEnvs = Object.keys(resolvedEnvConfig).filter(envName => resolvedEnvConfig[envName]).map(envName => getEnv(slots, envName)).filter(env => env);
+    const parserOptions = resolveParserOptions(parserName, config.parserOptions || {}, enabledEnvs);
+    const configuredGlobals = resolveGlobals(config.globals || {}, enabledEnvs);
+    const settings = config.settings || {};
+
+    if (!slots.lastSourceCode) {
+      const parseResult = parse(text, parser, parserOptions, options.filename);
+
+      if (!parseResult.success) {
+        return [parseResult.error];
+      }
+
+      slots.lastSourceCode = parseResult.sourceCode;
+    } else {
+      /*
+       * If the given source code object as the first argument does not have scopeManager, analyze the scope.
+       * This is for backward compatibility (SourceCode is frozen so it cannot rebind).
+       */
+      if (!slots.lastSourceCode.scopeManager) {
+        slots.lastSourceCode = new SourceCode({
+          text: slots.lastSourceCode.text,
+          ast: slots.lastSourceCode.ast,
+          parserServices: slots.lastSourceCode.parserServices,
+          visitorKeys: slots.lastSourceCode.visitorKeys,
+          scopeManager: analyzeScope(slots.lastSourceCode.ast, parserOptions)
+        });
+      }
+    }
+
+    const sourceCode = slots.lastSourceCode;
+    const commentDirectives = options.allowInlineConfig ? getDirectiveComments(options.filename, sourceCode.ast, ruleId => getRule(slots, ruleId), options.warnInlineConfig) : {
+      configuredRules: {},
+      enabledGlobals: {},
+      exportedVariables: {},
+      problems: [],
+      disableDirectives: []
+    }; // augment global scope with declared global variables
+
+    addDeclaredGlobals(sourceCode.scopeManager.scopes[0], configuredGlobals, {
+      exportedVariables: commentDirectives.exportedVariables,
+      enabledGlobals: commentDirectives.enabledGlobals
+    });
+    const configuredRules = Object.assign({}, config.rules, commentDirectives.configuredRules);
+    let lintingProblems;
+
+    try {
+      lintingProblems = runRules(sourceCode, configuredRules, ruleId => getRule(slots, ruleId), parserOptions, parserName, settings, options.filename, options.disableFixes, slots.cwd);
+    } catch (err) {
+      err.message += "\nOccurred while linting ".concat(options.filename);
+      debug("An error occurred while traversing");
+      debug("Filename:", options.filename);
+
+      if (err.currentNode) {
+        const {
+          line
+        } = err.currentNode.loc.start;
+        debug("Line:", line);
+        err.message += ":".concat(line);
+      }
+
+      debug("Parser Options:", parserOptions);
+      debug("Parser Path:", parserName);
+      debug("Settings:", settings);
+      throw err;
+    }
+
+    return applyDisableDirectives({
+      directives: commentDirectives.disableDirectives,
+      problems: lintingProblems.concat(commentDirectives.problems).sort((problemA, problemB) => problemA.line - problemB.line || problemA.column - problemB.column),
+      reportUnusedDisableDirectives: options.reportUnusedDisableDirectives
+    });
+  }
+  /**
+   * Verifies the text against the rules specified by the second argument.
+   * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object.
+   * @param {ConfigData|ConfigArray} config An ESLintConfig instance to configure everything.
+   * @param {(string|(VerifyOptions&ProcessorOptions))} [filenameOrOptions] The optional filename of the file being checked.
+   *      If this is not set, the filename will default to '<input>' in the rule context. If
+   *      an object, then it has "filename", "allowInlineConfig", and some properties.
+   * @returns {LintMessage[]} The results as an array of messages or an empty array if no messages.
+   */
+
+
+  verify(textOrSourceCode, config, filenameOrOptions) {
+    debug("Verify");
+    const options = typeof filenameOrOptions === "string" ? {
+      filename: filenameOrOptions
+    } : filenameOrOptions || {}; // CLIEngine passes a `ConfigArray` object.
+
+    if (config && typeof config.extractConfig === "function") {
+      return this._verifyWithConfigArray(textOrSourceCode, config, options);
+    }
+    /*
+     * `Linter` doesn't support `overrides` property in configuration.
+     * So we cannot apply multiple processors.
+     */
+
+
+    if (options.preprocess || options.postprocess) {
+      return this._verifyWithProcessor(textOrSourceCode, config, options);
+    }
+
+    return this._verifyWithoutProcessors(textOrSourceCode, config, options);
+  }
+  /**
+   * Verify a given code with `ConfigArray`.
+   * @param {string|SourceCode} textOrSourceCode The source code.
+   * @param {ConfigArray} configArray The config array.
+   * @param {VerifyOptions&ProcessorOptions} options The options.
+   * @returns {LintMessage[]} The found problems.
+   */
+
+
+  _verifyWithConfigArray(textOrSourceCode, configArray, options) {
+    debug("With ConfigArray: %s", options.filename); // Store the config array in order to get plugin envs and rules later.
+
+    internalSlotsMap.get(this).lastConfigArray = configArray; // Extract the final config for this file.
+
+    const config = configArray.extractConfig(options.filename);
+    const processor = config.processor && configArray.pluginProcessors.get(config.processor); // Verify.
+
+    if (processor) {
+      debug("Apply the processor: %o", config.processor);
+      const {
+        preprocess,
+        postprocess,
+        supportsAutofix
+      } = processor;
+      const disableFixes = options.disableFixes || !supportsAutofix;
+      return this._verifyWithProcessor(textOrSourceCode, config, _objectSpread({}, options, {
+        disableFixes,
+        postprocess,
+        preprocess
+      }), configArray);
+    }
+
+    return this._verifyWithoutProcessors(textOrSourceCode, config, options);
+  }
+  /**
+   * Verify with a processor.
+   * @param {string|SourceCode} textOrSourceCode The source code.
+   * @param {ConfigData|ExtractedConfig} config The config array.
+   * @param {VerifyOptions&ProcessorOptions} options The options.
+   * @param {ConfigArray} [configForRecursive] The `ConfigArray` object to apply multiple processors recursively.
+   * @returns {LintMessage[]} The found problems.
+   */
+
+
+  _verifyWithProcessor(textOrSourceCode, config, options, configForRecursive) {
+    const filename = options.filename || "<input>";
+    const filenameToExpose = normalizeFilename(filename);
+    const text = ensureText(textOrSourceCode);
+
+    const preprocess = options.preprocess || (rawText => [rawText]);
+
+    const postprocess = options.postprocess || lodash.flatten;
+
+    const filterCodeBlock = options.filterCodeBlock || (blockFilename => blockFilename.endsWith(".js"));
+
+    const originalExtname = path.extname(filename);
+    const messageLists = preprocess(text, filenameToExpose).map((block, i) => {
+      debug("A code block was found: %o", block.filename || "(unnamed)"); // Keep the legacy behavior.
+
+      if (typeof block === "string") {
+        return this._verifyWithoutProcessors(block, config, options);
+      }
+
+      const blockText = block.text;
+      const blockName = path.join(filename, "".concat(i, "_").concat(block.filename)); // Skip this block if filtered.
+
+      if (!filterCodeBlock(blockName, blockText)) {
+        debug("This code block was skipped.");
+        return [];
+      } // Resolve configuration again if the file extension was changed.
+
+
+      if (configForRecursive && path.extname(blockName) !== originalExtname) {
+        debug("Resolving configuration again because the file extension was changed.");
+        return this._verifyWithConfigArray(blockText, configForRecursive, _objectSpread({}, options, {
+          filename: blockName
+        }));
+      } // Does lint.
+
+
+      return this._verifyWithoutProcessors(blockText, config, _objectSpread({}, options, {
+        filename: blockName
+      }));
+    });
+    return postprocess(messageLists, filenameToExpose);
+  }
+  /**
+   * Gets the SourceCode object representing the parsed source.
+   * @returns {SourceCode} The SourceCode object.
+   */
+
+
+  getSourceCode() {
+    return internalSlotsMap.get(this).lastSourceCode;
+  }
+  /**
+   * Defines a new linting rule.
+   * @param {string} ruleId A unique rule identifier
+   * @param {Function | Rule} ruleModule Function from context to object mapping AST node types to event handlers
+   * @returns {void}
+   */
+
+
+  defineRule(ruleId, ruleModule) {
+    internalSlotsMap.get(this).ruleMap.define(ruleId, ruleModule);
+  }
+  /**
+   * Defines many new linting rules.
+   * @param {Record<string, Function | Rule>} rulesToDefine map from unique rule identifier to rule
+   * @returns {void}
+   */
+
+
+  defineRules(rulesToDefine) {
+    Object.getOwnPropertyNames(rulesToDefine).forEach(ruleId => {
+      this.defineRule(ruleId, rulesToDefine[ruleId]);
+    });
+  }
+  /**
+   * Gets an object with all loaded rules.
+   * @returns {Map<string, Rule>} All loaded rules
+   */
+
+
+  getRules() {
+    const {
+      lastConfigArray,
+      ruleMap
+    } = internalSlotsMap.get(this);
+    return new Map(function* () {
+      yield* ruleMap;
+
+      if (lastConfigArray) {
+        yield* lastConfigArray.pluginRules;
+      }
+    }());
+  }
+  /**
+   * Define a new parser module
+   * @param {string} parserId Name of the parser
+   * @param {Parser} parserModule The parser object
+   * @returns {void}
+   */
+
+
+  defineParser(parserId, parserModule) {
+    internalSlotsMap.get(this).parserMap.set(parserId, parserModule);
+  }
+  /**
+   * Performs multiple autofix passes over the text until as many fixes as possible
+   * have been applied.
+   * @param {string} text The source text to apply fixes to.
+   * @param {ConfigData|ConfigArray} config The ESLint config object to use.
+   * @param {VerifyOptions&ProcessorOptions&FixOptions} options The ESLint options object to use.
+   * @returns {{fixed:boolean,messages:LintMessage[],output:string}} The result of the fix operation as returned from the
+   *      SourceCodeFixer.
+   */
+
+
+  verifyAndFix(text, config, options) {
+    let messages = [],
+        fixedResult,
+        fixed = false,
+        passNumber = 0,
+        currentText = text;
+    const debugTextDescription = options && options.filename || "".concat(text.slice(0, 10), "...");
+    const shouldFix = options && typeof options.fix !== "undefined" ? options.fix : true;
+    /**
+     * This loop continues until one of the following is true:
+     *
+     * 1. No more fixes have been applied.
+     * 2. Ten passes have been made.
+     *
+     * That means anytime a fix is successfully applied, there will be another pass.
+     * Essentially, guaranteeing a minimum of two passes.
+     */
+
+    do {
+      passNumber++;
+      debug("Linting code for ".concat(debugTextDescription, " (pass ").concat(passNumber, ")"));
+      messages = this.verify(currentText, config, options);
+      debug("Generating fixed text for ".concat(debugTextDescription, " (pass ").concat(passNumber, ")"));
+      fixedResult = SourceCodeFixer.applyFixes(currentText, messages, shouldFix);
+      /*
+       * stop if there are any syntax errors.
+       * 'fixedResult.output' is a empty string.
+       */
+
+      if (messages.length === 1 && messages[0].fatal) {
+        break;
+      } // keep track if any fixes were ever applied - important for return value
+
+
+      fixed = fixed || fixedResult.fixed; // update to use the fixed output instead of the original text
+
+      currentText = fixedResult.output;
+    } while (fixedResult.fixed && passNumber < MAX_AUTOFIX_PASSES);
+    /*
+     * If the last result had fixes, we need to lint again to be sure we have
+     * the most up-to-date information.
+     */
+
+
+    if (fixedResult.fixed) {
+      fixedResult.messages = this.verify(currentText, config, options);
+    } // ensure the last result properly reflects if fixes were done
+
+
+    fixedResult.fixed = fixed;
+    fixedResult.output = currentText;
+    return fixedResult;
+  }
+
+}
+
+module.exports = {
+  Linter,
+
+  /**
+   * Get the internal slots of a given Linter instance for tests.
+   * @param {Linter} instance The Linter instance to get.
+   * @returns {LinterInternalSlots} The internal slots.
+   */
+  getLinterInternalSlots(instance) {
+    return internalSlotsMap.get(instance);
+  }
+
+};
+
+/***/ }),
+/* 377 */
+/***/ (function(module, exports) {
+
+module.exports = require("path");
+
+/***/ }),
+/* 378 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2013 Alex Seville <hi@alexanderseville.com>
+  Copyright (C) 2014 Thiago de Arruda <tpadilha84@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ * Escope (<a href="http://github.com/estools/escope">escope</a>) is an <a
+ * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a>
+ * scope analyzer extracted from the <a
+ * href="http://github.com/estools/esmangle">esmangle project</a/>.
+ * <p>
+ * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that
+ * program where different occurrences of the same identifier refer to the same
+ * variable. With each scope the contained variables are collected, and each
+ * identifier reference in code is linked to its corresponding variable (if
+ * possible).
+ * <p>
+ * <em>escope</em> works on a syntax tree of the parsed source code which has
+ * to adhere to the <a
+ * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API">
+ * Mozilla Parser API</a>. E.g. <a href="https://github.com/eslint/espree">espree</a> is a parser
+ * that produces such syntax trees.
+ * <p>
+ * The main interface is the {@link analyze} function.
+ * @module escope
+ */
+
+/* eslint no-underscore-dangle: ["error", { "allow": ["__currentScope"] }] */
+
+const assert = __webpack_require__(379);
+
+const ScopeManager = __webpack_require__(380);
+
+const Referencer = __webpack_require__(387);
+
+const Reference = __webpack_require__(384);
+
+const Variable = __webpack_require__(385);
+
+const Scope = __webpack_require__(381).Scope;
+
+const version = __webpack_require__(391).version;
+/**
+ * Set the default options
+ * @returns {Object} options
+ */
+
+
+function defaultOptions() {
+  return {
+    optimistic: false,
+    directive: false,
+    nodejsScope: false,
+    impliedStrict: false,
+    sourceType: "script",
+    // one of ['script', 'module']
+    ecmaVersion: 5,
+    childVisitorKeys: null,
+    fallback: "iteration"
+  };
+}
+/**
+ * Preform deep update on option object
+ * @param {Object} target - Options
+ * @param {Object} override - Updates
+ * @returns {Object} Updated options
+ */
+
+
+function updateDeeply(target, override) {
+  /**
+   * Is hash object
+   * @param {Object} value - Test value
+   * @returns {boolean} Result
+   */
+  function isHashObject(value) {
+    return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp);
+  }
+
+  for (const key in override) {
+    if (Object.prototype.hasOwnProperty.call(override, key)) {
+      const val = override[key];
+
+      if (isHashObject(val)) {
+        if (isHashObject(target[key])) {
+          updateDeeply(target[key], val);
+        } else {
+          target[key] = updateDeeply({}, val);
+        }
+      } else {
+        target[key] = val;
+      }
+    }
+  }
+
+  return target;
+}
+/**
+ * Main interface function. Takes an Espree syntax tree and returns the
+ * analyzed scopes.
+ * @function analyze
+ * @param {espree.Tree} tree - Abstract Syntax Tree
+ * @param {Object} providedOptions - Options that tailor the scope analysis
+ * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag
+ * @param {boolean} [providedOptions.directive=false]- the directive flag
+ * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls
+ * @param {boolean} [providedOptions.nodejsScope=false]- whether the whole
+ * script is executed under node.js environment. When enabled, escope adds
+ * a function scope immediately following the global scope.
+ * @param {boolean} [providedOptions.impliedStrict=false]- implied strict mode
+ * (if ecmaVersion >= 5).
+ * @param {string} [providedOptions.sourceType='script']- the source type of the script. one of 'script' and 'module'
+ * @param {number} [providedOptions.ecmaVersion=5]- which ECMAScript version is considered
+ * @param {Object} [providedOptions.childVisitorKeys=null] - Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option.
+ * @param {string} [providedOptions.fallback='iteration'] - A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option.
+ * @returns {ScopeManager} ScopeManager
+ */
+
+
+function analyze(tree, providedOptions) {
+  const options = updateDeeply(defaultOptions(), providedOptions);
+  const scopeManager = new ScopeManager(options);
+  const referencer = new Referencer(options, scopeManager);
+  referencer.visit(tree);
+  assert(scopeManager.__currentScope === null, "currentScope should be null.");
+  return scopeManager;
+}
+
+module.exports = {
+  /** @name module:escope.version */
+  version,
+
+  /** @name module:escope.Reference */
+  Reference,
+
+  /** @name module:escope.Variable */
+  Variable,
+
+  /** @name module:escope.Scope */
+  Scope,
+
+  /** @name module:escope.ScopeManager */
+  ScopeManager,
+  analyze
+};
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 379 */
+/***/ (function(module, exports) {
+
+module.exports = require("assert");
+
+/***/ }),
+/* 380 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* eslint-disable no-underscore-dangle */
+
+const Scope = __webpack_require__(381);
+
+const assert = __webpack_require__(379);
+
+const GlobalScope = Scope.GlobalScope;
+const CatchScope = Scope.CatchScope;
+const WithScope = Scope.WithScope;
+const ModuleScope = Scope.ModuleScope;
+const ClassScope = Scope.ClassScope;
+const SwitchScope = Scope.SwitchScope;
+const FunctionScope = Scope.FunctionScope;
+const ForScope = Scope.ForScope;
+const FunctionExpressionNameScope = Scope.FunctionExpressionNameScope;
+const BlockScope = Scope.BlockScope;
+/**
+ * @class ScopeManager
+ */
+
+class ScopeManager {
+  constructor(options) {
+    this.scopes = [];
+    this.globalScope = null;
+    this.__nodeToScope = new WeakMap();
+    this.__currentScope = null;
+    this.__options = options;
+    this.__declaredVariables = new WeakMap();
+  }
+
+  __useDirective() {
+    return this.__options.directive;
+  }
+
+  __isOptimistic() {
+    return this.__options.optimistic;
+  }
+
+  __ignoreEval() {
+    return this.__options.ignoreEval;
+  }
+
+  __isNodejsScope() {
+    return this.__options.nodejsScope;
+  }
+
+  isModule() {
+    return this.__options.sourceType === "module";
+  }
+
+  isImpliedStrict() {
+    return this.__options.impliedStrict;
+  }
+
+  isStrictModeSupported() {
+    return this.__options.ecmaVersion >= 5;
+  } // Returns appropriate scope for this node.
+
+
+  __get(node) {
+    return this.__nodeToScope.get(node);
+  }
+  /**
+   * Get variables that are declared by the node.
+   *
+   * "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`.
+   * If the node declares nothing, this method returns an empty array.
+   * CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details.
+   *
+   * @param {Espree.Node} node - a node to get.
+   * @returns {Variable[]} variables that declared by the node.
+   */
+
+
+  getDeclaredVariables(node) {
+    return this.__declaredVariables.get(node) || [];
+  }
+  /**
+   * acquire scope from node.
+   * @method ScopeManager#acquire
+   * @param {Espree.Node} node - node for the acquired scope.
+   * @param {boolean=} inner - look up the most inner scope, default value is false.
+   * @returns {Scope?} Scope from node
+   */
+
+
+  acquire(node, inner) {
+    /**
+     * predicate
+     * @param {Scope} testScope - scope to test
+     * @returns {boolean} predicate
+     */
+    function predicate(testScope) {
+      if (testScope.type === "function" && testScope.functionExpressionScope) {
+        return false;
+      }
+
+      return true;
+    }
+
+    const scopes = this.__get(node);
+
+    if (!scopes || scopes.length === 0) {
+      return null;
+    } // Heuristic selection from all scopes.
+    // If you would like to get all scopes, please use ScopeManager#acquireAll.
+
+
+    if (scopes.length === 1) {
+      return scopes[0];
+    }
+
+    if (inner) {
+      for (let i = scopes.length - 1; i >= 0; --i) {
+        const scope = scopes[i];
+
+        if (predicate(scope)) {
+          return scope;
+        }
+      }
+    } else {
+      for (let i = 0, iz = scopes.length; i < iz; ++i) {
+        const scope = scopes[i];
+
+        if (predicate(scope)) {
+          return scope;
+        }
+      }
+    }
+
+    return null;
+  }
+  /**
+   * acquire all scopes from node.
+   * @method ScopeManager#acquireAll
+   * @param {Espree.Node} node - node for the acquired scope.
+   * @returns {Scopes?} Scope array
+   */
+
+
+  acquireAll(node) {
+    return this.__get(node);
+  }
+  /**
+   * release the node.
+   * @method ScopeManager#release
+   * @param {Espree.Node} node - releasing node.
+   * @param {boolean=} inner - look up the most inner scope, default value is false.
+   * @returns {Scope?} upper scope for the node.
+   */
+
+
+  release(node, inner) {
+    const scopes = this.__get(node);
+
+    if (scopes && scopes.length) {
+      const scope = scopes[0].upper;
+
+      if (!scope) {
+        return null;
+      }
+
+      return this.acquire(scope.block, inner);
+    }
+
+    return null;
+  }
+
+  attach() {} // eslint-disable-line class-methods-use-this
+
+
+  detach() {} // eslint-disable-line class-methods-use-this
+
+
+  __nestScope(scope) {
+    if (scope instanceof GlobalScope) {
+      assert(this.__currentScope === null);
+      this.globalScope = scope;
+    }
+
+    this.__currentScope = scope;
+    return scope;
+  }
+
+  __nestGlobalScope(node) {
+    return this.__nestScope(new GlobalScope(this, node));
+  }
+
+  __nestBlockScope(node) {
+    return this.__nestScope(new BlockScope(this, this.__currentScope, node));
+  }
+
+  __nestFunctionScope(node, isMethodDefinition) {
+    return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition));
+  }
+
+  __nestForScope(node) {
+    return this.__nestScope(new ForScope(this, this.__currentScope, node));
+  }
+
+  __nestCatchScope(node) {
+    return this.__nestScope(new CatchScope(this, this.__currentScope, node));
+  }
+
+  __nestWithScope(node) {
+    return this.__nestScope(new WithScope(this, this.__currentScope, node));
+  }
+
+  __nestClassScope(node) {
+    return this.__nestScope(new ClassScope(this, this.__currentScope, node));
+  }
+
+  __nestSwitchScope(node) {
+    return this.__nestScope(new SwitchScope(this, this.__currentScope, node));
+  }
+
+  __nestModuleScope(node) {
+    return this.__nestScope(new ModuleScope(this, this.__currentScope, node));
+  }
+
+  __nestFunctionExpressionNameScope(node) {
+    return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node));
+  }
+
+  __isES6() {
+    return this.__options.ecmaVersion >= 6;
+  }
+
+}
+
+module.exports = ScopeManager;
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 381 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* eslint-disable no-underscore-dangle */
+
+/* eslint-disable no-undefined */
+
+const Syntax = __webpack_require__(382).Syntax;
+
+const Reference = __webpack_require__(384);
+
+const Variable = __webpack_require__(385);
+
+const Definition = __webpack_require__(386).Definition;
+
+const assert = __webpack_require__(379);
+/**
+ * Test if scope is struct
+ * @param {Scope} scope - scope
+ * @param {Block} block - block
+ * @param {boolean} isMethodDefinition - is method definiton
+ * @param {boolean} useDirective - use directive
+ * @returns {boolean} is strict scope
+ */
+
+
+function isStrictScope(scope, block, isMethodDefinition, useDirective) {
+  let body; // When upper scope is exists and strict, inner scope is also strict.
+
+  if (scope.upper && scope.upper.isStrict) {
+    return true;
+  }
+
+  if (isMethodDefinition) {
+    return true;
+  }
+
+  if (scope.type === "class" || scope.type === "module") {
+    return true;
+  }
+
+  if (scope.type === "block" || scope.type === "switch") {
+    return false;
+  }
+
+  if (scope.type === "function") {
+    if (block.type === Syntax.ArrowFunctionExpression && block.body.type !== Syntax.BlockStatement) {
+      return false;
+    }
+
+    if (block.type === Syntax.Program) {
+      body = block;
+    } else {
+      body = block.body;
+    }
+
+    if (!body) {
+      return false;
+    }
+  } else if (scope.type === "global") {
+    body = block;
+  } else {
+    return false;
+  } // Search 'use strict' directive.
+
+
+  if (useDirective) {
+    for (let i = 0, iz = body.body.length; i < iz; ++i) {
+      const stmt = body.body[i];
+
+      if (stmt.type !== Syntax.DirectiveStatement) {
+        break;
+      }
+
+      if (stmt.raw === "\"use strict\"" || stmt.raw === "'use strict'") {
+        return true;
+      }
+    }
+  } else {
+    for (let i = 0, iz = body.body.length; i < iz; ++i) {
+      const stmt = body.body[i];
+
+      if (stmt.type !== Syntax.ExpressionStatement) {
+        break;
+      }
+
+      const expr = stmt.expression;
+
+      if (expr.type !== Syntax.Literal || typeof expr.value !== "string") {
+        break;
+      }
+
+      if (expr.raw !== null && expr.raw !== undefined) {
+        if (expr.raw === "\"use strict\"" || expr.raw === "'use strict'") {
+          return true;
+        }
+      } else {
+        if (expr.value === "use strict") {
+          return true;
+        }
+      }
+    }
+  }
+
+  return false;
+}
+/**
+ * Register scope
+ * @param {ScopeManager} scopeManager - scope manager
+ * @param {Scope} scope - scope
+ * @returns {void}
+ */
+
+
+function registerScope(scopeManager, scope) {
+  scopeManager.scopes.push(scope);
+
+  const scopes = scopeManager.__nodeToScope.get(scope.block);
+
+  if (scopes) {
+    scopes.push(scope);
+  } else {
+    scopeManager.__nodeToScope.set(scope.block, [scope]);
+  }
+}
+/**
+ * Should be statically
+ * @param {Object} def - def
+ * @returns {boolean} should be statically
+ */
+
+
+function shouldBeStatically(def) {
+  return def.type === Variable.ClassName || def.type === Variable.Variable && def.parent.kind !== "var";
+}
+/**
+ * @class Scope
+ */
+
+
+class Scope {
+  constructor(scopeManager, type, upperScope, block, isMethodDefinition) {
+    /**
+     * One of 'module', 'block', 'switch', 'function', 'catch', 'with', 'function', 'class', 'global'.
+     * @member {String} Scope#type
+     */
+    this.type = type;
+    /**
+     * The scoped {@link Variable}s of this scope, as <code>{ Variable.name
+     * : Variable }</code>.
+     * @member {Map} Scope#set
+     */
+
+    this.set = new Map();
+    /**
+     * The tainted variables of this scope, as <code>{ Variable.name :
+     * boolean }</code>.
+     * @member {Map} Scope#taints */
+
+    this.taints = new Map();
+    /**
+     * Generally, through the lexical scoping of JS you can always know
+     * which variable an identifier in the source code refers to. There are
+     * a few exceptions to this rule. With 'global' and 'with' scopes you
+     * can only decide at runtime which variable a reference refers to.
+     * Moreover, if 'eval()' is used in a scope, it might introduce new
+     * bindings in this or its parent scopes.
+     * All those scopes are considered 'dynamic'.
+     * @member {boolean} Scope#dynamic
+     */
+
+    this.dynamic = this.type === "global" || this.type === "with";
+    /**
+     * A reference to the scope-defining syntax node.
+     * @member {espree.Node} Scope#block
+     */
+
+    this.block = block;
+    /**
+     * The {@link Reference|references} that are not resolved with this scope.
+     * @member {Reference[]} Scope#through
+     */
+
+    this.through = [];
+    /**
+     * The scoped {@link Variable}s of this scope. In the case of a
+     * 'function' scope this includes the automatic argument <em>arguments</em> as
+     * its first element, as well as all further formal arguments.
+     * @member {Variable[]} Scope#variables
+     */
+
+    this.variables = [];
+    /**
+     * Any variable {@link Reference|reference} found in this scope. This
+     * includes occurrences of local variables as well as variables from
+     * parent scopes (including the global scope). For local variables
+     * this also includes defining occurrences (like in a 'var' statement).
+     * In a 'function' scope this does not include the occurrences of the
+     * formal parameter in the parameter list.
+     * @member {Reference[]} Scope#references
+     */
+
+    this.references = [];
+    /**
+     * For 'global' and 'function' scopes, this is a self-reference. For
+     * other scope types this is the <em>variableScope</em> value of the
+     * parent scope.
+     * @member {Scope} Scope#variableScope
+     */
+
+    this.variableScope = this.type === "global" || this.type === "function" || this.type === "module" ? this : upperScope.variableScope;
+    /**
+     * Whether this scope is created by a FunctionExpression.
+     * @member {boolean} Scope#functionExpressionScope
+     */
+
+    this.functionExpressionScope = false;
+    /**
+     * Whether this is a scope that contains an 'eval()' invocation.
+     * @member {boolean} Scope#directCallToEvalScope
+     */
+
+    this.directCallToEvalScope = false;
+    /**
+     * @member {boolean} Scope#thisFound
+     */
+
+    this.thisFound = false;
+    this.__left = [];
+    /**
+     * Reference to the parent {@link Scope|scope}.
+     * @member {Scope} Scope#upper
+     */
+
+    this.upper = upperScope;
+    /**
+     * Whether 'use strict' is in effect in this scope.
+     * @member {boolean} Scope#isStrict
+     */
+
+    this.isStrict = isStrictScope(this, block, isMethodDefinition, scopeManager.__useDirective());
+    /**
+     * List of nested {@link Scope}s.
+     * @member {Scope[]} Scope#childScopes
+     */
+
+    this.childScopes = [];
+
+    if (this.upper) {
+      this.upper.childScopes.push(this);
+    }
+
+    this.__declaredVariables = scopeManager.__declaredVariables;
+    registerScope(scopeManager, this);
+  }
+
+  __shouldStaticallyClose(scopeManager) {
+    return !this.dynamic || scopeManager.__isOptimistic();
+  }
+
+  __shouldStaticallyCloseForGlobal(ref) {
+    // On global scope, let/const/class declarations should be resolved statically.
+    const name = ref.identifier.name;
+
+    if (!this.set.has(name)) {
+      return false;
+    }
+
+    const variable = this.set.get(name);
+    const defs = variable.defs;
+    return defs.length > 0 && defs.every(shouldBeStatically);
+  }
+
+  __staticCloseRef(ref) {
+    if (!this.__resolve(ref)) {
+      this.__delegateToUpperScope(ref);
+    }
+  }
+
+  __dynamicCloseRef(ref) {
+    // notify all names are through to global
+    let current = this;
+
+    do {
+      current.through.push(ref);
+      current = current.upper;
+    } while (current);
+  }
+
+  __globalCloseRef(ref) {
+    // let/const/class declarations should be resolved statically.
+    // others should be resolved dynamically.
+    if (this.__shouldStaticallyCloseForGlobal(ref)) {
+      this.__staticCloseRef(ref);
+    } else {
+      this.__dynamicCloseRef(ref);
+    }
+  }
+
+  __close(scopeManager) {
+    let closeRef;
+
+    if (this.__shouldStaticallyClose(scopeManager)) {
+      closeRef = this.__staticCloseRef;
+    } else if (this.type !== "global") {
+      closeRef = this.__dynamicCloseRef;
+    } else {
+      closeRef = this.__globalCloseRef;
+    } // Try Resolving all references in this scope.
+
+
+    for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+      const ref = this.__left[i];
+      closeRef.call(this, ref);
+    }
+
+    this.__left = null;
+    return this.upper;
+  } // To override by function scopes.
+  // References in default parameters isn't resolved to variables which are in their function body.
+
+
+  __isValidResolution(ref, variable) {
+    // eslint-disable-line class-methods-use-this, no-unused-vars
+    return true;
+  }
+
+  __resolve(ref) {
+    const name = ref.identifier.name;
+
+    if (!this.set.has(name)) {
+      return false;
+    }
+
+    const variable = this.set.get(name);
+
+    if (!this.__isValidResolution(ref, variable)) {
+      return false;
+    }
+
+    variable.references.push(ref);
+    variable.stack = variable.stack && ref.from.variableScope === this.variableScope;
+
+    if (ref.tainted) {
+      variable.tainted = true;
+      this.taints.set(variable.name, true);
+    }
+
+    ref.resolved = variable;
+    return true;
+  }
+
+  __delegateToUpperScope(ref) {
+    if (this.upper) {
+      this.upper.__left.push(ref);
+    }
+
+    this.through.push(ref);
+  }
+
+  __addDeclaredVariablesOfNode(variable, node) {
+    if (node === null || node === undefined) {
+      return;
+    }
+
+    let variables = this.__declaredVariables.get(node);
+
+    if (variables === null || variables === undefined) {
+      variables = [];
+
+      this.__declaredVariables.set(node, variables);
+    }
+
+    if (variables.indexOf(variable) === -1) {
+      variables.push(variable);
+    }
+  }
+
+  __defineGeneric(name, set, variables, node, def) {
+    let variable;
+    variable = set.get(name);
+
+    if (!variable) {
+      variable = new Variable(name, this);
+      set.set(name, variable);
+      variables.push(variable);
+    }
+
+    if (def) {
+      variable.defs.push(def);
+
+      this.__addDeclaredVariablesOfNode(variable, def.node);
+
+      this.__addDeclaredVariablesOfNode(variable, def.parent);
+    }
+
+    if (node) {
+      variable.identifiers.push(node);
+    }
+  }
+
+  __define(node, def) {
+    if (node && node.type === Syntax.Identifier) {
+      this.__defineGeneric(node.name, this.set, this.variables, node, def);
+    }
+  }
+
+  __referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) {
+    // because Array element may be null
+    if (!node || node.type !== Syntax.Identifier) {
+      return;
+    } // Specially handle like `this`.
+
+
+    if (node.name === "super") {
+      return;
+    }
+
+    const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init);
+    this.references.push(ref);
+
+    this.__left.push(ref);
+  }
+
+  __detectEval() {
+    let current = this;
+    this.directCallToEvalScope = true;
+
+    do {
+      current.dynamic = true;
+      current = current.upper;
+    } while (current);
+  }
+
+  __detectThis() {
+    this.thisFound = true;
+  }
+
+  __isClosed() {
+    return this.__left === null;
+  }
+  /**
+   * returns resolved {Reference}
+   * @method Scope#resolve
+   * @param {Espree.Identifier} ident - identifier to be resolved.
+   * @returns {Reference} reference
+   */
+
+
+  resolve(ident) {
+    let ref, i, iz;
+    assert(this.__isClosed(), "Scope should be closed.");
+    assert(ident.type === Syntax.Identifier, "Target should be identifier.");
+
+    for (i = 0, iz = this.references.length; i < iz; ++i) {
+      ref = this.references[i];
+
+      if (ref.identifier === ident) {
+        return ref;
+      }
+    }
+
+    return null;
+  }
+  /**
+   * returns this scope is static
+   * @method Scope#isStatic
+   * @returns {boolean} static
+   */
+
+
+  isStatic() {
+    return !this.dynamic;
+  }
+  /**
+   * returns this scope has materialized arguments
+   * @method Scope#isArgumentsMaterialized
+   * @returns {boolean} arguemnts materialized
+   */
+
+
+  isArgumentsMaterialized() {
+    // eslint-disable-line class-methods-use-this
+    return true;
+  }
+  /**
+   * returns this scope has materialized `this` reference
+   * @method Scope#isThisMaterialized
+   * @returns {boolean} this materialized
+   */
+
+
+  isThisMaterialized() {
+    // eslint-disable-line class-methods-use-this
+    return true;
+  }
+
+  isUsedName(name) {
+    if (this.set.has(name)) {
+      return true;
+    }
+
+    for (let i = 0, iz = this.through.length; i < iz; ++i) {
+      if (this.through[i].identifier.name === name) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+}
+
+class GlobalScope extends Scope {
+  constructor(scopeManager, block) {
+    super(scopeManager, "global", null, block, false);
+    this.implicit = {
+      set: new Map(),
+      variables: [],
+
+      /**
+      * List of {@link Reference}s that are left to be resolved (i.e. which
+      * need to be linked to the variable they refer to).
+      * @member {Reference[]} Scope#implicit#left
+      */
+      left: []
+    };
+  }
+
+  __close(scopeManager) {
+    const implicit = [];
+
+    for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+      const ref = this.__left[i];
+
+      if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) {
+        implicit.push(ref.__maybeImplicitGlobal);
+      }
+    } // create an implicit global variable from assignment expression
+
+
+    for (let i = 0, iz = implicit.length; i < iz; ++i) {
+      const info = implicit[i];
+
+      this.__defineImplicit(info.pattern, new Definition(Variable.ImplicitGlobalVariable, info.pattern, info.node, null, null, null));
+    }
+
+    this.implicit.left = this.__left;
+    return super.__close(scopeManager);
+  }
+
+  __defineImplicit(node, def) {
+    if (node && node.type === Syntax.Identifier) {
+      this.__defineGeneric(node.name, this.implicit.set, this.implicit.variables, node, def);
+    }
+  }
+
+}
+
+class ModuleScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "module", upperScope, block, false);
+  }
+
+}
+
+class FunctionExpressionNameScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "function-expression-name", upperScope, block, false);
+
+    this.__define(block.id, new Definition(Variable.FunctionName, block.id, block, null, null, null));
+
+    this.functionExpressionScope = true;
+  }
+
+}
+
+class CatchScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "catch", upperScope, block, false);
+  }
+
+}
+
+class WithScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "with", upperScope, block, false);
+  }
+
+  __close(scopeManager) {
+    if (this.__shouldStaticallyClose(scopeManager)) {
+      return super.__close(scopeManager);
+    }
+
+    for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+      const ref = this.__left[i];
+      ref.tainted = true;
+
+      this.__delegateToUpperScope(ref);
+    }
+
+    this.__left = null;
+    return this.upper;
+  }
+
+}
+
+class BlockScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "block", upperScope, block, false);
+  }
+
+}
+
+class SwitchScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "switch", upperScope, block, false);
+  }
+
+}
+
+class FunctionScope extends Scope {
+  constructor(scopeManager, upperScope, block, isMethodDefinition) {
+    super(scopeManager, "function", upperScope, block, isMethodDefinition); // section 9.2.13, FunctionDeclarationInstantiation.
+    // NOTE Arrow functions never have an arguments objects.
+
+    if (this.block.type !== Syntax.ArrowFunctionExpression) {
+      this.__defineArguments();
+    }
+  }
+
+  isArgumentsMaterialized() {
+    // TODO(Constellation)
+    // We can more aggressive on this condition like this.
+    //
+    // function t() {
+    //     // arguments of t is always hidden.
+    //     function arguments() {
+    //     }
+    // }
+    if (this.block.type === Syntax.ArrowFunctionExpression) {
+      return false;
+    }
+
+    if (!this.isStatic()) {
+      return true;
+    }
+
+    const variable = this.set.get("arguments");
+    assert(variable, "Always have arguments variable.");
+    return variable.tainted || variable.references.length !== 0;
+  }
+
+  isThisMaterialized() {
+    if (!this.isStatic()) {
+      return true;
+    }
+
+    return this.thisFound;
+  }
+
+  __defineArguments() {
+    this.__defineGeneric("arguments", this.set, this.variables, null, null);
+
+    this.taints.set("arguments", true);
+  } // References in default parameters isn't resolved to variables which are in their function body.
+  //     const x = 1
+  //     function f(a = x) { // This `x` is resolved to the `x` in the outer scope.
+  //         const x = 2
+  //         console.log(a)
+  //     }
+
+
+  __isValidResolution(ref, variable) {
+    // If `options.nodejsScope` is true, `this.block` becomes a Program node.
+    if (this.block.type === "Program") {
+      return true;
+    }
+
+    const bodyStart = this.block.body.range[0]; // It's invalid resolution in the following case:
+
+    return !(variable.scope === this && ref.identifier.range[0] < bodyStart && // the reference is in the parameter part.
+    variable.defs.every(d => d.name.range[0] >= bodyStart) // the variable is in the body.
+    );
+  }
+
+}
+
+class ForScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "for", upperScope, block, false);
+  }
+
+}
+
+class ClassScope extends Scope {
+  constructor(scopeManager, upperScope, block) {
+    super(scopeManager, "class", upperScope, block, false);
+  }
+
+}
+
+module.exports = {
+  Scope,
+  GlobalScope,
+  ModuleScope,
+  FunctionExpressionNameScope,
+  CatchScope,
+  WithScope,
+  BlockScope,
+  SwitchScope,
+  FunctionScope,
+  ForScope,
+  ClassScope
+};
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 382 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*jslint vars:false, bitwise:true*/
+
+/*jshint indent:4*/
+
+/*global exports:true*/
+(function clone(exports) {
+  'use strict';
+
+  var Syntax, VisitorOption, VisitorKeys, BREAK, SKIP, REMOVE;
+
+  function deepCopy(obj) {
+    var ret = {},
+        key,
+        val;
+
+    for (key in obj) {
+      if (obj.hasOwnProperty(key)) {
+        val = obj[key];
+
+        if (typeof val === 'object' && val !== null) {
+          ret[key] = deepCopy(val);
+        } else {
+          ret[key] = val;
+        }
+      }
+    }
+
+    return ret;
+  } // based on LLVM libc++ upper_bound / lower_bound
+  // MIT License
+
+
+  function upperBound(array, func) {
+    var diff, len, i, current;
+    len = array.length;
+    i = 0;
+
+    while (len) {
+      diff = len >>> 1;
+      current = i + diff;
+
+      if (func(array[current])) {
+        len = diff;
+      } else {
+        i = current + 1;
+        len -= diff + 1;
+      }
+    }
+
+    return i;
+  }
+
+  Syntax = {
+    AssignmentExpression: 'AssignmentExpression',
+    AssignmentPattern: 'AssignmentPattern',
+    ArrayExpression: 'ArrayExpression',
+    ArrayPattern: 'ArrayPattern',
+    ArrowFunctionExpression: 'ArrowFunctionExpression',
+    AwaitExpression: 'AwaitExpression',
+    // CAUTION: It's deferred to ES7.
+    BlockStatement: 'BlockStatement',
+    BinaryExpression: 'BinaryExpression',
+    BreakStatement: 'BreakStatement',
+    CallExpression: 'CallExpression',
+    CatchClause: 'CatchClause',
+    ClassBody: 'ClassBody',
+    ClassDeclaration: 'ClassDeclaration',
+    ClassExpression: 'ClassExpression',
+    ComprehensionBlock: 'ComprehensionBlock',
+    // CAUTION: It's deferred to ES7.
+    ComprehensionExpression: 'ComprehensionExpression',
+    // CAUTION: It's deferred to ES7.
+    ConditionalExpression: 'ConditionalExpression',
+    ContinueStatement: 'ContinueStatement',
+    DebuggerStatement: 'DebuggerStatement',
+    DirectiveStatement: 'DirectiveStatement',
+    DoWhileStatement: 'DoWhileStatement',
+    EmptyStatement: 'EmptyStatement',
+    ExportAllDeclaration: 'ExportAllDeclaration',
+    ExportDefaultDeclaration: 'ExportDefaultDeclaration',
+    ExportNamedDeclaration: 'ExportNamedDeclaration',
+    ExportSpecifier: 'ExportSpecifier',
+    ExpressionStatement: 'ExpressionStatement',
+    ForStatement: 'ForStatement',
+    ForInStatement: 'ForInStatement',
+    ForOfStatement: 'ForOfStatement',
+    FunctionDeclaration: 'FunctionDeclaration',
+    FunctionExpression: 'FunctionExpression',
+    GeneratorExpression: 'GeneratorExpression',
+    // CAUTION: It's deferred to ES7.
+    Identifier: 'Identifier',
+    IfStatement: 'IfStatement',
+    ImportExpression: 'ImportExpression',
+    ImportDeclaration: 'ImportDeclaration',
+    ImportDefaultSpecifier: 'ImportDefaultSpecifier',
+    ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
+    ImportSpecifier: 'ImportSpecifier',
+    Literal: 'Literal',
+    LabeledStatement: 'LabeledStatement',
+    LogicalExpression: 'LogicalExpression',
+    MemberExpression: 'MemberExpression',
+    MetaProperty: 'MetaProperty',
+    MethodDefinition: 'MethodDefinition',
+    ModuleSpecifier: 'ModuleSpecifier',
+    NewExpression: 'NewExpression',
+    ObjectExpression: 'ObjectExpression',
+    ObjectPattern: 'ObjectPattern',
+    Program: 'Program',
+    Property: 'Property',
+    RestElement: 'RestElement',
+    ReturnStatement: 'ReturnStatement',
+    SequenceExpression: 'SequenceExpression',
+    SpreadElement: 'SpreadElement',
+    Super: 'Super',
+    SwitchStatement: 'SwitchStatement',
+    SwitchCase: 'SwitchCase',
+    TaggedTemplateExpression: 'TaggedTemplateExpression',
+    TemplateElement: 'TemplateElement',
+    TemplateLiteral: 'TemplateLiteral',
+    ThisExpression: 'ThisExpression',
+    ThrowStatement: 'ThrowStatement',
+    TryStatement: 'TryStatement',
+    UnaryExpression: 'UnaryExpression',
+    UpdateExpression: 'UpdateExpression',
+    VariableDeclaration: 'VariableDeclaration',
+    VariableDeclarator: 'VariableDeclarator',
+    WhileStatement: 'WhileStatement',
+    WithStatement: 'WithStatement',
+    YieldExpression: 'YieldExpression'
+  };
+  VisitorKeys = {
+    AssignmentExpression: ['left', 'right'],
+    AssignmentPattern: ['left', 'right'],
+    ArrayExpression: ['elements'],
+    ArrayPattern: ['elements'],
+    ArrowFunctionExpression: ['params', 'body'],
+    AwaitExpression: ['argument'],
+    // CAUTION: It's deferred to ES7.
+    BlockStatement: ['body'],
+    BinaryExpression: ['left', 'right'],
+    BreakStatement: ['label'],
+    CallExpression: ['callee', 'arguments'],
+    CatchClause: ['param', 'body'],
+    ClassBody: ['body'],
+    ClassDeclaration: ['id', 'superClass', 'body'],
+    ClassExpression: ['id', 'superClass', 'body'],
+    ComprehensionBlock: ['left', 'right'],
+    // CAUTION: It's deferred to ES7.
+    ComprehensionExpression: ['blocks', 'filter', 'body'],
+    // CAUTION: It's deferred to ES7.
+    ConditionalExpression: ['test', 'consequent', 'alternate'],
+    ContinueStatement: ['label'],
+    DebuggerStatement: [],
+    DirectiveStatement: [],
+    DoWhileStatement: ['body', 'test'],
+    EmptyStatement: [],
+    ExportAllDeclaration: ['source'],
+    ExportDefaultDeclaration: ['declaration'],
+    ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
+    ExportSpecifier: ['exported', 'local'],
+    ExpressionStatement: ['expression'],
+    ForStatement: ['init', 'test', 'update', 'body'],
+    ForInStatement: ['left', 'right', 'body'],
+    ForOfStatement: ['left', 'right', 'body'],
+    FunctionDeclaration: ['id', 'params', 'body'],
+    FunctionExpression: ['id', 'params', 'body'],
+    GeneratorExpression: ['blocks', 'filter', 'body'],
+    // CAUTION: It's deferred to ES7.
+    Identifier: [],
+    IfStatement: ['test', 'consequent', 'alternate'],
+    ImportExpression: ['source'],
+    ImportDeclaration: ['specifiers', 'source'],
+    ImportDefaultSpecifier: ['local'],
+    ImportNamespaceSpecifier: ['local'],
+    ImportSpecifier: ['imported', 'local'],
+    Literal: [],
+    LabeledStatement: ['label', 'body'],
+    LogicalExpression: ['left', 'right'],
+    MemberExpression: ['object', 'property'],
+    MetaProperty: ['meta', 'property'],
+    MethodDefinition: ['key', 'value'],
+    ModuleSpecifier: [],
+    NewExpression: ['callee', 'arguments'],
+    ObjectExpression: ['properties'],
+    ObjectPattern: ['properties'],
+    Program: ['body'],
+    Property: ['key', 'value'],
+    RestElement: ['argument'],
+    ReturnStatement: ['argument'],
+    SequenceExpression: ['expressions'],
+    SpreadElement: ['argument'],
+    Super: [],
+    SwitchStatement: ['discriminant', 'cases'],
+    SwitchCase: ['test', 'consequent'],
+    TaggedTemplateExpression: ['tag', 'quasi'],
+    TemplateElement: [],
+    TemplateLiteral: ['quasis', 'expressions'],
+    ThisExpression: [],
+    ThrowStatement: ['argument'],
+    TryStatement: ['block', 'handler', 'finalizer'],
+    UnaryExpression: ['argument'],
+    UpdateExpression: ['argument'],
+    VariableDeclaration: ['declarations'],
+    VariableDeclarator: ['id', 'init'],
+    WhileStatement: ['test', 'body'],
+    WithStatement: ['object', 'body'],
+    YieldExpression: ['argument']
+  }; // unique id
+
+  BREAK = {};
+  SKIP = {};
+  REMOVE = {};
+  VisitorOption = {
+    Break: BREAK,
+    Skip: SKIP,
+    Remove: REMOVE
+  };
+
+  function Reference(parent, key) {
+    this.parent = parent;
+    this.key = key;
+  }
+
+  Reference.prototype.replace = function replace(node) {
+    this.parent[this.key] = node;
+  };
+
+  Reference.prototype.remove = function remove() {
+    if (Array.isArray(this.parent)) {
+      this.parent.splice(this.key, 1);
+      return true;
+    } else {
+      this.replace(null);
+      return false;
+    }
+  };
+
+  function Element(node, path, wrap, ref) {
+    this.node = node;
+    this.path = path;
+    this.wrap = wrap;
+    this.ref = ref;
+  }
+
+  function Controller() {} // API:
+  // return property path array from root to current node
+
+
+  Controller.prototype.path = function path() {
+    var i, iz, j, jz, result, element;
+
+    function addToPath(result, path) {
+      if (Array.isArray(path)) {
+        for (j = 0, jz = path.length; j < jz; ++j) {
+          result.push(path[j]);
+        }
+      } else {
+        result.push(path);
+      }
+    } // root node
+
+
+    if (!this.__current.path) {
+      return null;
+    } // first node is sentinel, second node is root element
+
+
+    result = [];
+
+    for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
+      element = this.__leavelist[i];
+      addToPath(result, element.path);
+    }
+
+    addToPath(result, this.__current.path);
+    return result;
+  }; // API:
+  // return type of current node
+
+
+  Controller.prototype.type = function () {
+    var node = this.current();
+    return node.type || this.__current.wrap;
+  }; // API:
+  // return array of parent elements
+
+
+  Controller.prototype.parents = function parents() {
+    var i, iz, result; // first node is sentinel
+
+    result = [];
+
+    for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
+      result.push(this.__leavelist[i].node);
+    }
+
+    return result;
+  }; // API:
+  // return current node
+
+
+  Controller.prototype.current = function current() {
+    return this.__current.node;
+  };
+
+  Controller.prototype.__execute = function __execute(callback, element) {
+    var previous, result;
+    result = undefined;
+    previous = this.__current;
+    this.__current = element;
+    this.__state = null;
+
+    if (callback) {
+      result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
+    }
+
+    this.__current = previous;
+    return result;
+  }; // API:
+  // notify control skip / break
+
+
+  Controller.prototype.notify = function notify(flag) {
+    this.__state = flag;
+  }; // API:
+  // skip child nodes of current node
+
+
+  Controller.prototype.skip = function () {
+    this.notify(SKIP);
+  }; // API:
+  // break traversals
+
+
+  Controller.prototype['break'] = function () {
+    this.notify(BREAK);
+  }; // API:
+  // remove node
+
+
+  Controller.prototype.remove = function () {
+    this.notify(REMOVE);
+  };
+
+  Controller.prototype.__initialize = function (root, visitor) {
+    this.visitor = visitor;
+    this.root = root;
+    this.__worklist = [];
+    this.__leavelist = [];
+    this.__current = null;
+    this.__state = null;
+    this.__fallback = null;
+
+    if (visitor.fallback === 'iteration') {
+      this.__fallback = Object.keys;
+    } else if (typeof visitor.fallback === 'function') {
+      this.__fallback = visitor.fallback;
+    }
+
+    this.__keys = VisitorKeys;
+
+    if (visitor.keys) {
+      this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);
+    }
+  };
+
+  function isNode(node) {
+    if (node == null) {
+      return false;
+    }
+
+    return typeof node === 'object' && typeof node.type === 'string';
+  }
+
+  function isProperty(nodeType, key) {
+    return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
+  }
+
+  Controller.prototype.traverse = function traverse(root, visitor) {
+    var worklist, leavelist, element, node, nodeType, ret, key, current, current2, candidates, candidate, sentinel;
+
+    this.__initialize(root, visitor);
+
+    sentinel = {}; // reference
+
+    worklist = this.__worklist;
+    leavelist = this.__leavelist; // initialize
+
+    worklist.push(new Element(root, null, null, null));
+    leavelist.push(new Element(null, null, null, null));
+
+    while (worklist.length) {
+      element = worklist.pop();
+
+      if (element === sentinel) {
+        element = leavelist.pop();
+        ret = this.__execute(visitor.leave, element);
+
+        if (this.__state === BREAK || ret === BREAK) {
+          return;
+        }
+
+        continue;
+      }
+
+      if (element.node) {
+        ret = this.__execute(visitor.enter, element);
+
+        if (this.__state === BREAK || ret === BREAK) {
+          return;
+        }
+
+        worklist.push(sentinel);
+        leavelist.push(element);
+
+        if (this.__state === SKIP || ret === SKIP) {
+          continue;
+        }
+
+        node = element.node;
+        nodeType = node.type || element.wrap;
+        candidates = this.__keys[nodeType];
+
+        if (!candidates) {
+          if (this.__fallback) {
+            candidates = this.__fallback(node);
+          } else {
+            throw new Error('Unknown node type ' + nodeType + '.');
+          }
+        }
+
+        current = candidates.length;
+
+        while ((current -= 1) >= 0) {
+          key = candidates[current];
+          candidate = node[key];
+
+          if (!candidate) {
+            continue;
+          }
+
+          if (Array.isArray(candidate)) {
+            current2 = candidate.length;
+
+            while ((current2 -= 1) >= 0) {
+              if (!candidate[current2]) {
+                continue;
+              }
+
+              if (isProperty(nodeType, candidates[current])) {
+                element = new Element(candidate[current2], [key, current2], 'Property', null);
+              } else if (isNode(candidate[current2])) {
+                element = new Element(candidate[current2], [key, current2], null, null);
+              } else {
+                continue;
+              }
+
+              worklist.push(element);
+            }
+          } else if (isNode(candidate)) {
+            worklist.push(new Element(candidate, key, null, null));
+          }
+        }
+      }
+    }
+  };
+
+  Controller.prototype.replace = function replace(root, visitor) {
+    var worklist, leavelist, node, nodeType, target, element, current, current2, candidates, candidate, sentinel, outer, key;
+
+    function removeElem(element) {
+      var i, key, nextElem, parent;
+
+      if (element.ref.remove()) {
+        // When the reference is an element of an array.
+        key = element.ref.key;
+        parent = element.ref.parent; // If removed from array, then decrease following items' keys.
+
+        i = worklist.length;
+
+        while (i--) {
+          nextElem = worklist[i];
+
+          if (nextElem.ref && nextElem.ref.parent === parent) {
+            if (nextElem.ref.key < key) {
+              break;
+            }
+
+            --nextElem.ref.key;
+          }
+        }
+      }
+    }
+
+    this.__initialize(root, visitor);
+
+    sentinel = {}; // reference
+
+    worklist = this.__worklist;
+    leavelist = this.__leavelist; // initialize
+
+    outer = {
+      root: root
+    };
+    element = new Element(root, null, null, new Reference(outer, 'root'));
+    worklist.push(element);
+    leavelist.push(element);
+
+    while (worklist.length) {
+      element = worklist.pop();
+
+      if (element === sentinel) {
+        element = leavelist.pop();
+        target = this.__execute(visitor.leave, element); // node may be replaced with null,
+        // so distinguish between undefined and null in this place
+
+        if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+          // replace
+          element.ref.replace(target);
+        }
+
+        if (this.__state === REMOVE || target === REMOVE) {
+          removeElem(element);
+        }
+
+        if (this.__state === BREAK || target === BREAK) {
+          return outer.root;
+        }
+
+        continue;
+      }
+
+      target = this.__execute(visitor.enter, element); // node may be replaced with null,
+      // so distinguish between undefined and null in this place
+
+      if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
+        // replace
+        element.ref.replace(target);
+        element.node = target;
+      }
+
+      if (this.__state === REMOVE || target === REMOVE) {
+        removeElem(element);
+        element.node = null;
+      }
+
+      if (this.__state === BREAK || target === BREAK) {
+        return outer.root;
+      } // node may be null
+
+
+      node = element.node;
+
+      if (!node) {
+        continue;
+      }
+
+      worklist.push(sentinel);
+      leavelist.push(element);
+
+      if (this.__state === SKIP || target === SKIP) {
+        continue;
+      }
+
+      nodeType = node.type || element.wrap;
+      candidates = this.__keys[nodeType];
+
+      if (!candidates) {
+        if (this.__fallback) {
+          candidates = this.__fallback(node);
+        } else {
+          throw new Error('Unknown node type ' + nodeType + '.');
+        }
+      }
+
+      current = candidates.length;
+
+      while ((current -= 1) >= 0) {
+        key = candidates[current];
+        candidate = node[key];
+
+        if (!candidate) {
+          continue;
+        }
+
+        if (Array.isArray(candidate)) {
+          current2 = candidate.length;
+
+          while ((current2 -= 1) >= 0) {
+            if (!candidate[current2]) {
+              continue;
+            }
+
+            if (isProperty(nodeType, candidates[current])) {
+              element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
+            } else if (isNode(candidate[current2])) {
+              element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
+            } else {
+              continue;
+            }
+
+            worklist.push(element);
+          }
+        } else if (isNode(candidate)) {
+          worklist.push(new Element(candidate, key, null, new Reference(node, key)));
+        }
+      }
+    }
+
+    return outer.root;
+  };
+
+  function traverse(root, visitor) {
+    var controller = new Controller();
+    return controller.traverse(root, visitor);
+  }
+
+  function replace(root, visitor) {
+    var controller = new Controller();
+    return controller.replace(root, visitor);
+  }
+
+  function extendCommentRange(comment, tokens) {
+    var target;
+    target = upperBound(tokens, function search(token) {
+      return token.range[0] > comment.range[0];
+    });
+    comment.extendedRange = [comment.range[0], comment.range[1]];
+
+    if (target !== tokens.length) {
+      comment.extendedRange[1] = tokens[target].range[0];
+    }
+
+    target -= 1;
+
+    if (target >= 0) {
+      comment.extendedRange[0] = tokens[target].range[1];
+    }
+
+    return comment;
+  }
+
+  function attachComments(tree, providedComments, tokens) {
+    // At first, we should calculate extended comment ranges.
+    var comments = [],
+        comment,
+        len,
+        i,
+        cursor;
+
+    if (!tree.range) {
+      throw new Error('attachComments needs range information');
+    } // tokens array is empty, we attach comments to tree as 'leadingComments'
+
+
+    if (!tokens.length) {
+      if (providedComments.length) {
+        for (i = 0, len = providedComments.length; i < len; i += 1) {
+          comment = deepCopy(providedComments[i]);
+          comment.extendedRange = [0, tree.range[0]];
+          comments.push(comment);
+        }
+
+        tree.leadingComments = comments;
+      }
+
+      return tree;
+    }
+
+    for (i = 0, len = providedComments.length; i < len; i += 1) {
+      comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
+    } // This is based on John Freeman's implementation.
+
+
+    cursor = 0;
+    traverse(tree, {
+      enter: function enter(node) {
+        var comment;
+
+        while (cursor < comments.length) {
+          comment = comments[cursor];
+
+          if (comment.extendedRange[1] > node.range[0]) {
+            break;
+          }
+
+          if (comment.extendedRange[1] === node.range[0]) {
+            if (!node.leadingComments) {
+              node.leadingComments = [];
+            }
+
+            node.leadingComments.push(comment);
+            comments.splice(cursor, 1);
+          } else {
+            cursor += 1;
+          }
+        } // already out of owned node
+
+
+        if (cursor === comments.length) {
+          return VisitorOption.Break;
+        }
+
+        if (comments[cursor].extendedRange[0] > node.range[1]) {
+          return VisitorOption.Skip;
+        }
+      }
+    });
+    cursor = 0;
+    traverse(tree, {
+      leave: function leave(node) {
+        var comment;
+
+        while (cursor < comments.length) {
+          comment = comments[cursor];
+
+          if (node.range[1] < comment.extendedRange[0]) {
+            break;
+          }
+
+          if (node.range[1] === comment.extendedRange[0]) {
+            if (!node.trailingComments) {
+              node.trailingComments = [];
+            }
+
+            node.trailingComments.push(comment);
+            comments.splice(cursor, 1);
+          } else {
+            cursor += 1;
+          }
+        } // already out of owned node
+
+
+        if (cursor === comments.length) {
+          return VisitorOption.Break;
+        }
+
+        if (comments[cursor].extendedRange[0] > node.range[1]) {
+          return VisitorOption.Skip;
+        }
+      }
+    });
+    return tree;
+  }
+
+  exports.version = __webpack_require__(383).version;
+  exports.Syntax = Syntax;
+  exports.traverse = traverse;
+  exports.replace = replace;
+  exports.attachComments = attachComments;
+  exports.VisitorKeys = VisitorKeys;
+  exports.VisitorOption = VisitorOption;
+  exports.Controller = Controller;
+
+  exports.cloneEnvironment = function () {
+    return clone({});
+  };
+
+  return exports;
+})(exports);
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 383 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"_from\":\"estraverse@^4.1.1\",\"_id\":\"estraverse@4.3.0\",\"_inBundle\":false,\"_integrity\":\"sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==\",\"_location\":\"/estraverse\",\"_phantomChildren\":{},\"_requested\":{\"type\":\"range\",\"registry\":true,\"raw\":\"estraverse@^4.1.1\",\"name\":\"estraverse\",\"escapedName\":\"estraverse\",\"rawSpec\":\"^4.1.1\",\"saveSpec\":null,\"fetchSpec\":\"^4.1.1\"},\"_requiredBy\":[\"/babel-eslint/eslint-scope\",\"/eslint-scope\",\"/esrecurse\",\"/webpack/eslint-scope\"],\"_resolved\":\"https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz\",\"_shasum\":\"398ad3f3c5a24948be7725e83d11a7de28cdbd1d\",\"_spec\":\"estraverse@^4.1.1\",\"_where\":\"/home/dcsapak/git/pve-eslint/eslint-v7.0.0-alpha.3/node_modules/eslint-scope\",\"bugs\":{\"url\":\"https://github.com/estools/estraverse/issues\"},\"bundleDependencies\":false,\"deprecated\":false,\"description\":\"ECMAScript JS AST traversal functions\",\"devDependencies\":{\"babel-preset-env\":\"^1.6.1\",\"babel-register\":\"^6.3.13\",\"chai\":\"^2.1.1\",\"espree\":\"^1.11.0\",\"gulp\":\"^3.8.10\",\"gulp-bump\":\"^0.2.2\",\"gulp-filter\":\"^2.0.0\",\"gulp-git\":\"^1.0.1\",\"gulp-tag-version\":\"^1.3.0\",\"jshint\":\"^2.5.6\",\"mocha\":\"^2.1.0\"},\"engines\":{\"node\":\">=4.0\"},\"homepage\":\"https://github.com/estools/estraverse\",\"license\":\"BSD-2-Clause\",\"main\":\"estraverse.js\",\"maintainers\":[{\"name\":\"Yusuke Suzuki\",\"email\":\"utatane.tea@gmail.com\",\"url\":\"http://github.com/Constellation\"}],\"name\":\"estraverse\",\"repository\":{\"type\":\"git\",\"url\":\"git+ssh://git@github.com/estools/estraverse.git\"},\"scripts\":{\"lint\":\"jshint estraverse.js\",\"test\":\"npm run-script lint && npm run-script unit-test\",\"unit-test\":\"mocha --compilers js:babel-register\"},\"version\":\"4.3.0\"}");
+
+/***/ }),
+/* 384 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+const READ = 0x1;
+const WRITE = 0x2;
+const RW = READ | WRITE;
+/**
+ * A Reference represents a single occurrence of an identifier in code.
+ * @class Reference
+ */
+
+class Reference {
+  constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) {
+    /**
+     * Identifier syntax node.
+     * @member {espreeIdentifier} Reference#identifier
+     */
+    this.identifier = ident;
+    /**
+     * Reference to the enclosing Scope.
+     * @member {Scope} Reference#from
+     */
+
+    this.from = scope;
+    /**
+     * Whether the reference comes from a dynamic scope (such as 'eval',
+     * 'with', etc.), and may be trapped by dynamic scopes.
+     * @member {boolean} Reference#tainted
+     */
+
+    this.tainted = false;
+    /**
+     * The variable this reference is resolved with.
+     * @member {Variable} Reference#resolved
+     */
+
+    this.resolved = null;
+    /**
+     * The read-write mode of the reference. (Value is one of {@link
+     * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}).
+     * @member {number} Reference#flag
+     * @private
+     */
+
+    this.flag = flag;
+
+    if (this.isWrite()) {
+      /**
+       * If reference is writeable, this is the tree being written to it.
+       * @member {espreeNode} Reference#writeExpr
+       */
+      this.writeExpr = writeExpr;
+      /**
+       * Whether the Reference might refer to a partial value of writeExpr.
+       * @member {boolean} Reference#partial
+       */
+
+      this.partial = partial;
+      /**
+       * Whether the Reference is to write of initialization.
+       * @member {boolean} Reference#init
+       */
+
+      this.init = init;
+    }
+
+    this.__maybeImplicitGlobal = maybeImplicitGlobal;
+  }
+  /**
+   * Whether the reference is static.
+   * @method Reference#isStatic
+   * @returns {boolean} static
+   */
+
+
+  isStatic() {
+    return !this.tainted && this.resolved && this.resolved.scope.isStatic();
+  }
+  /**
+   * Whether the reference is writeable.
+   * @method Reference#isWrite
+   * @returns {boolean} write
+   */
+
+
+  isWrite() {
+    return !!(this.flag & Reference.WRITE);
+  }
+  /**
+   * Whether the reference is readable.
+   * @method Reference#isRead
+   * @returns {boolean} read
+   */
+
+
+  isRead() {
+    return !!(this.flag & Reference.READ);
+  }
+  /**
+   * Whether the reference is read-only.
+   * @method Reference#isReadOnly
+   * @returns {boolean} read only
+   */
+
+
+  isReadOnly() {
+    return this.flag === Reference.READ;
+  }
+  /**
+   * Whether the reference is write-only.
+   * @method Reference#isWriteOnly
+   * @returns {boolean} write only
+   */
+
+
+  isWriteOnly() {
+    return this.flag === Reference.WRITE;
+  }
+  /**
+   * Whether the reference is read-write.
+   * @method Reference#isReadWrite
+   * @returns {boolean} read write
+   */
+
+
+  isReadWrite() {
+    return this.flag === Reference.RW;
+  }
+
+}
+/**
+ * @constant Reference.READ
+ * @private
+ */
+
+
+Reference.READ = READ;
+/**
+ * @constant Reference.WRITE
+ * @private
+ */
+
+Reference.WRITE = WRITE;
+/**
+ * @constant Reference.RW
+ * @private
+ */
+
+Reference.RW = RW;
+module.exports = Reference;
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 385 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ * A Variable represents a locally scoped identifier. These include arguments to
+ * functions.
+ * @class Variable
+ */
+
+class Variable {
+  constructor(name, scope) {
+    /**
+     * The variable name, as given in the source code.
+     * @member {String} Variable#name
+     */
+    this.name = name;
+    /**
+     * List of defining occurrences of this variable (like in 'var ...'
+     * statements or as parameter), as AST nodes.
+     * @member {espree.Identifier[]} Variable#identifiers
+     */
+
+    this.identifiers = [];
+    /**
+     * List of {@link Reference|references} of this variable (excluding parameter entries)
+     * in its defining scope and all nested scopes. For defining
+     * occurrences only see {@link Variable#defs}.
+     * @member {Reference[]} Variable#references
+     */
+
+    this.references = [];
+    /**
+     * List of defining occurrences of this variable (like in 'var ...'
+     * statements or as parameter), as custom objects.
+     * @member {Definition[]} Variable#defs
+     */
+
+    this.defs = [];
+    this.tainted = false;
+    /**
+     * Whether this is a stack variable.
+     * @member {boolean} Variable#stack
+     */
+
+    this.stack = true;
+    /**
+     * Reference to the enclosing Scope.
+     * @member {Scope} Variable#scope
+     */
+
+    this.scope = scope;
+  }
+
+}
+
+Variable.CatchClause = "CatchClause";
+Variable.Parameter = "Parameter";
+Variable.FunctionName = "FunctionName";
+Variable.ClassName = "ClassName";
+Variable.Variable = "Variable";
+Variable.ImportBinding = "ImportBinding";
+Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable";
+module.exports = Variable;
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 386 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+const Variable = __webpack_require__(385);
+/**
+ * @class Definition
+ */
+
+
+class Definition {
+  constructor(type, name, node, parent, index, kind) {
+    /**
+     * @member {String} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...).
+     */
+    this.type = type;
+    /**
+     * @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence.
+     */
+
+    this.name = name;
+    /**
+     * @member {espree.Node} Definition#node - the enclosing node of the identifier.
+     */
+
+    this.node = node;
+    /**
+     * @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier.
+     */
+
+    this.parent = parent;
+    /**
+     * @member {Number?} Definition#index - the index in the declaration statement.
+     */
+
+    this.index = index;
+    /**
+     * @member {String?} Definition#kind - the kind of the declaration statement.
+     */
+
+    this.kind = kind;
+  }
+
+}
+/**
+ * @class ParameterDefinition
+ */
+
+
+class ParameterDefinition extends Definition {
+  constructor(name, node, index, rest) {
+    super(Variable.Parameter, name, node, null, index, null);
+    /**
+     * Whether the parameter definition is a part of a rest parameter.
+     * @member {boolean} ParameterDefinition#rest
+     */
+
+    this.rest = rest;
+  }
+
+}
+
+module.exports = {
+  ParameterDefinition,
+  Definition
+};
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 387 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* eslint-disable no-underscore-dangle */
+
+/* eslint-disable no-undefined */
+
+const Syntax = __webpack_require__(382).Syntax;
+
+const esrecurse = __webpack_require__(388);
+
+const Reference = __webpack_require__(384);
+
+const Variable = __webpack_require__(385);
+
+const PatternVisitor = __webpack_require__(390);
+
+const definition = __webpack_require__(386);
+
+const assert = __webpack_require__(379);
+
+const ParameterDefinition = definition.ParameterDefinition;
+const Definition = definition.Definition;
+/**
+ * Traverse identifier in pattern
+ * @param {Object} options - options
+ * @param {pattern} rootPattern - root pattern
+ * @param {Refencer} referencer - referencer
+ * @param {callback} callback - callback
+ * @returns {void}
+ */
+
+function traverseIdentifierInPattern(options, rootPattern, referencer, callback) {
+  // Call the callback at left hand identifier nodes, and Collect right hand nodes.
+  const visitor = new PatternVisitor(options, rootPattern, callback);
+  visitor.visit(rootPattern); // Process the right hand nodes recursively.
+
+  if (referencer !== null && referencer !== undefined) {
+    visitor.rightHandNodes.forEach(referencer.visit, referencer);
+  }
+} // Importing ImportDeclaration.
+// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation
+// https://github.com/estree/estree/blob/master/es6.md#importdeclaration
+// FIXME: Now, we don't create module environment, because the context is
+// implementation dependent.
+
+
+class Importer extends esrecurse.Visitor {
+  constructor(declaration, referencer) {
+    super(null, referencer.options);
+    this.declaration = declaration;
+    this.referencer = referencer;
+  }
+
+  visitImport(id, specifier) {
+    this.referencer.visitPattern(id, pattern => {
+      this.referencer.currentScope().__define(pattern, new Definition(Variable.ImportBinding, pattern, specifier, this.declaration, null, null));
+    });
+  }
+
+  ImportNamespaceSpecifier(node) {
+    const local = node.local || node.id;
+
+    if (local) {
+      this.visitImport(local, node);
+    }
+  }
+
+  ImportDefaultSpecifier(node) {
+    const local = node.local || node.id;
+    this.visitImport(local, node);
+  }
+
+  ImportSpecifier(node) {
+    const local = node.local || node.id;
+
+    if (node.name) {
+      this.visitImport(node.name, node);
+    } else {
+      this.visitImport(local, node);
+    }
+  }
+
+} // Referencing variables and creating bindings.
+
+
+class Referencer extends esrecurse.Visitor {
+  constructor(options, scopeManager) {
+    super(null, options);
+    this.options = options;
+    this.scopeManager = scopeManager;
+    this.parent = null;
+    this.isInnerMethodDefinition = false;
+  }
+
+  currentScope() {
+    return this.scopeManager.__currentScope;
+  }
+
+  close(node) {
+    while (this.currentScope() && node === this.currentScope().block) {
+      this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager);
+    }
+  }
+
+  pushInnerMethodDefinition(isInnerMethodDefinition) {
+    const previous = this.isInnerMethodDefinition;
+    this.isInnerMethodDefinition = isInnerMethodDefinition;
+    return previous;
+  }
+
+  popInnerMethodDefinition(isInnerMethodDefinition) {
+    this.isInnerMethodDefinition = isInnerMethodDefinition;
+  }
+
+  referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) {
+    const scope = this.currentScope();
+    assignments.forEach(assignment => {
+      scope.__referencing(pattern, Reference.WRITE, assignment.right, maybeImplicitGlobal, pattern !== assignment.left, init);
+    });
+  }
+
+  visitPattern(node, options, callback) {
+    let visitPatternOptions = options;
+    let visitPatternCallback = callback;
+
+    if (typeof options === "function") {
+      visitPatternCallback = options;
+      visitPatternOptions = {
+        processRightHandNodes: false
+      };
+    }
+
+    traverseIdentifierInPattern(this.options, node, visitPatternOptions.processRightHandNodes ? this : null, visitPatternCallback);
+  }
+
+  visitFunction(node) {
+    let i, iz; // FunctionDeclaration name is defined in upper scope
+    // NOTE: Not referring variableScope. It is intended.
+    // Since
+    //  in ES5, FunctionDeclaration should be in FunctionBody.
+    //  in ES6, FunctionDeclaration should be block scoped.
+
+    if (node.type === Syntax.FunctionDeclaration) {
+      // id is defined in upper scope
+      this.currentScope().__define(node.id, new Definition(Variable.FunctionName, node.id, node, null, null, null));
+    } // FunctionExpression with name creates its special scope;
+    // FunctionExpressionNameScope.
+
+
+    if (node.type === Syntax.FunctionExpression && node.id) {
+      this.scopeManager.__nestFunctionExpressionNameScope(node);
+    } // Consider this function is in the MethodDefinition.
+
+
+    this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition);
+
+    const that = this;
+    /**
+     * Visit pattern callback
+     * @param {pattern} pattern - pattern
+     * @param {Object} info - info
+     * @returns {void}
+     */
+
+    function visitPatternCallback(pattern, info) {
+      that.currentScope().__define(pattern, new ParameterDefinition(pattern, node, i, info.rest));
+
+      that.referencingDefaultValue(pattern, info.assignments, null, true);
+    } // Process parameter declarations.
+
+
+    for (i = 0, iz = node.params.length; i < iz; ++i) {
+      this.visitPattern(node.params[i], {
+        processRightHandNodes: true
+      }, visitPatternCallback);
+    } // if there's a rest argument, add that
+
+
+    if (node.rest) {
+      this.visitPattern({
+        type: "RestElement",
+        argument: node.rest
+      }, pattern => {
+        this.currentScope().__define(pattern, new ParameterDefinition(pattern, node, node.params.length, true));
+      });
+    } // In TypeScript there are a number of function-like constructs which have no body,
+    // so check it exists before traversing
+
+
+    if (node.body) {
+      // Skip BlockStatement to prevent creating BlockStatement scope.
+      if (node.body.type === Syntax.BlockStatement) {
+        this.visitChildren(node.body);
+      } else {
+        this.visit(node.body);
+      }
+    }
+
+    this.close(node);
+  }
+
+  visitClass(node) {
+    if (node.type === Syntax.ClassDeclaration) {
+      this.currentScope().__define(node.id, new Definition(Variable.ClassName, node.id, node, null, null, null));
+    }
+
+    this.visit(node.superClass);
+
+    this.scopeManager.__nestClassScope(node);
+
+    if (node.id) {
+      this.currentScope().__define(node.id, new Definition(Variable.ClassName, node.id, node));
+    }
+
+    this.visit(node.body);
+    this.close(node);
+  }
+
+  visitProperty(node) {
+    let previous;
+
+    if (node.computed) {
+      this.visit(node.key);
+    }
+
+    const isMethodDefinition = node.type === Syntax.MethodDefinition;
+
+    if (isMethodDefinition) {
+      previous = this.pushInnerMethodDefinition(true);
+    }
+
+    this.visit(node.value);
+
+    if (isMethodDefinition) {
+      this.popInnerMethodDefinition(previous);
+    }
+  }
+
+  visitForIn(node) {
+    if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") {
+      this.scopeManager.__nestForScope(node);
+    }
+
+    if (node.left.type === Syntax.VariableDeclaration) {
+      this.visit(node.left);
+      this.visitPattern(node.left.declarations[0].id, pattern => {
+        this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true);
+      });
+    } else {
+      this.visitPattern(node.left, {
+        processRightHandNodes: true
+      }, (pattern, info) => {
+        let maybeImplicitGlobal = null;
+
+        if (!this.currentScope().isStrict) {
+          maybeImplicitGlobal = {
+            pattern,
+            node
+          };
+        }
+
+        this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+
+        this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false);
+      });
+    }
+
+    this.visit(node.right);
+    this.visit(node.body);
+    this.close(node);
+  }
+
+  visitVariableDeclaration(variableTargetScope, type, node, index) {
+    const decl = node.declarations[index];
+    const init = decl.init;
+    this.visitPattern(decl.id, {
+      processRightHandNodes: true
+    }, (pattern, info) => {
+      variableTargetScope.__define(pattern, new Definition(type, pattern, decl, node, index, node.kind));
+
+      this.referencingDefaultValue(pattern, info.assignments, null, true);
+
+      if (init) {
+        this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true);
+      }
+    });
+  }
+
+  AssignmentExpression(node) {
+    if (PatternVisitor.isPattern(node.left)) {
+      if (node.operator === "=") {
+        this.visitPattern(node.left, {
+          processRightHandNodes: true
+        }, (pattern, info) => {
+          let maybeImplicitGlobal = null;
+
+          if (!this.currentScope().isStrict) {
+            maybeImplicitGlobal = {
+              pattern,
+              node
+            };
+          }
+
+          this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+
+          this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false);
+        });
+      } else {
+        this.currentScope().__referencing(node.left, Reference.RW, node.right);
+      }
+    } else {
+      this.visit(node.left);
+    }
+
+    this.visit(node.right);
+  }
+
+  CatchClause(node) {
+    this.scopeManager.__nestCatchScope(node);
+
+    this.visitPattern(node.param, {
+      processRightHandNodes: true
+    }, (pattern, info) => {
+      this.currentScope().__define(pattern, new Definition(Variable.CatchClause, node.param, node, null, null, null));
+
+      this.referencingDefaultValue(pattern, info.assignments, null, true);
+    });
+    this.visit(node.body);
+    this.close(node);
+  }
+
+  Program(node) {
+    this.scopeManager.__nestGlobalScope(node);
+
+    if (this.scopeManager.__isNodejsScope()) {
+      // Force strictness of GlobalScope to false when using node.js scope.
+      this.currentScope().isStrict = false;
+
+      this.scopeManager.__nestFunctionScope(node, false);
+    }
+
+    if (this.scopeManager.__isES6() && this.scopeManager.isModule()) {
+      this.scopeManager.__nestModuleScope(node);
+    }
+
+    if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) {
+      this.currentScope().isStrict = true;
+    }
+
+    this.visitChildren(node);
+    this.close(node);
+  }
+
+  Identifier(node) {
+    this.currentScope().__referencing(node);
+  }
+
+  UpdateExpression(node) {
+    if (PatternVisitor.isPattern(node.argument)) {
+      this.currentScope().__referencing(node.argument, Reference.RW, null);
+    } else {
+      this.visitChildren(node);
+    }
+  }
+
+  MemberExpression(node) {
+    this.visit(node.object);
+
+    if (node.computed) {
+      this.visit(node.property);
+    }
+  }
+
+  Property(node) {
+    this.visitProperty(node);
+  }
+
+  MethodDefinition(node) {
+    this.visitProperty(node);
+  }
+
+  BreakStatement() {} // eslint-disable-line class-methods-use-this
+
+
+  ContinueStatement() {} // eslint-disable-line class-methods-use-this
+
+
+  LabeledStatement(node) {
+    this.visit(node.body);
+  }
+
+  ForStatement(node) {
+    // Create ForStatement declaration.
+    // NOTE: In ES6, ForStatement dynamically generates
+    // per iteration environment. However, escope is
+    // a static analyzer, we only generate one scope for ForStatement.
+    if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") {
+      this.scopeManager.__nestForScope(node);
+    }
+
+    this.visitChildren(node);
+    this.close(node);
+  }
+
+  ClassExpression(node) {
+    this.visitClass(node);
+  }
+
+  ClassDeclaration(node) {
+    this.visitClass(node);
+  }
+
+  CallExpression(node) {
+    // Check this is direct call to eval
+    if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") {
+      // NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and
+      // let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment.
+      this.currentScope().variableScope.__detectEval();
+    }
+
+    this.visitChildren(node);
+  }
+
+  BlockStatement(node) {
+    if (this.scopeManager.__isES6()) {
+      this.scopeManager.__nestBlockScope(node);
+    }
+
+    this.visitChildren(node);
+    this.close(node);
+  }
+
+  ThisExpression() {
+    this.currentScope().variableScope.__detectThis();
+  }
+
+  WithStatement(node) {
+    this.visit(node.object); // Then nest scope for WithStatement.
+
+    this.scopeManager.__nestWithScope(node);
+
+    this.visit(node.body);
+    this.close(node);
+  }
+
+  VariableDeclaration(node) {
+    const variableTargetScope = node.kind === "var" ? this.currentScope().variableScope : this.currentScope();
+
+    for (let i = 0, iz = node.declarations.length; i < iz; ++i) {
+      const decl = node.declarations[i];
+      this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i);
+
+      if (decl.init) {
+        this.visit(decl.init);
+      }
+    }
+  } // sec 13.11.8
+
+
+  SwitchStatement(node) {
+    this.visit(node.discriminant);
+
+    if (this.scopeManager.__isES6()) {
+      this.scopeManager.__nestSwitchScope(node);
+    }
+
+    for (let i = 0, iz = node.cases.length; i < iz; ++i) {
+      this.visit(node.cases[i]);
+    }
+
+    this.close(node);
+  }
+
+  FunctionDeclaration(node) {
+    this.visitFunction(node);
+  }
+
+  FunctionExpression(node) {
+    this.visitFunction(node);
+  }
+
+  ForOfStatement(node) {
+    this.visitForIn(node);
+  }
+
+  ForInStatement(node) {
+    this.visitForIn(node);
+  }
+
+  ArrowFunctionExpression(node) {
+    this.visitFunction(node);
+  }
+
+  ImportDeclaration(node) {
+    assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context.");
+    const importer = new Importer(node, this);
+    importer.visit(node);
+  }
+
+  visitExportDeclaration(node) {
+    if (node.source) {
+      return;
+    }
+
+    if (node.declaration) {
+      this.visit(node.declaration);
+      return;
+    }
+
+    this.visitChildren(node);
+  }
+
+  ExportDeclaration(node) {
+    this.visitExportDeclaration(node);
+  }
+
+  ExportNamedDeclaration(node) {
+    this.visitExportDeclaration(node);
+  }
+
+  ExportSpecifier(node) {
+    const local = node.id || node.local;
+    this.visit(local);
+  }
+
+  MetaProperty() {// eslint-disable-line class-methods-use-this
+    // do nothing.
+  }
+
+}
+
+module.exports = Referencer;
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 388 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+  'use strict';
+
+  var estraverse = __webpack_require__(382);
+
+  function isNode(node) {
+    if (node == null) {
+      return false;
+    }
+
+    return typeof node === 'object' && typeof node.type === 'string';
+  }
+
+  function isProperty(nodeType, key) {
+    return (nodeType === estraverse.Syntax.ObjectExpression || nodeType === estraverse.Syntax.ObjectPattern) && key === 'properties';
+  }
+
+  function Visitor(visitor, options) {
+    options = options || {};
+    this.__visitor = visitor || this;
+    this.__childVisitorKeys = options.childVisitorKeys ? Object.assign({}, estraverse.VisitorKeys, options.childVisitorKeys) : estraverse.VisitorKeys;
+
+    if (options.fallback === 'iteration') {
+      this.__fallback = Object.keys;
+    } else if (typeof options.fallback === 'function') {
+      this.__fallback = options.fallback;
+    }
+  }
+  /* Default method for visiting children.
+   * When you need to call default visiting operation inside custom visiting
+   * operation, you can use it with `this.visitChildren(node)`.
+   */
+
+
+  Visitor.prototype.visitChildren = function (node) {
+    var type, children, i, iz, j, jz, child;
+
+    if (node == null) {
+      return;
+    }
+
+    type = node.type || estraverse.Syntax.Property;
+    children = this.__childVisitorKeys[type];
+
+    if (!children) {
+      if (this.__fallback) {
+        children = this.__fallback(node);
+      } else {
+        throw new Error('Unknown node type ' + type + '.');
+      }
+    }
+
+    for (i = 0, iz = children.length; i < iz; ++i) {
+      child = node[children[i]];
+
+      if (child) {
+        if (Array.isArray(child)) {
+          for (j = 0, jz = child.length; j < jz; ++j) {
+            if (child[j]) {
+              if (isNode(child[j]) || isProperty(type, children[i])) {
+                this.visit(child[j]);
+              }
+            }
+          }
+        } else if (isNode(child)) {
+          this.visit(child);
+        }
+      }
+    }
+  };
+  /* Dispatching node. */
+
+
+  Visitor.prototype.visit = function (node) {
+    var type;
+
+    if (node == null) {
+      return;
+    }
+
+    type = node.type || estraverse.Syntax.Property;
+
+    if (this.__visitor[type]) {
+      this.__visitor[type].call(this, node);
+
+      return;
+    }
+
+    this.visitChildren(node);
+  };
+
+  exports.version = __webpack_require__(389).version;
+  exports.Visitor = Visitor;
+
+  exports.visit = function (node, visitor, options) {
+    var v = new Visitor(visitor, options);
+    v.visit(node);
+  };
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 389 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"_from\":\"esrecurse@^4.1.0\",\"_id\":\"esrecurse@4.2.1\",\"_inBundle\":false,\"_integrity\":\"sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==\",\"_location\":\"/esrecurse\",\"_phantomChildren\":{},\"_requested\":{\"type\":\"range\",\"registry\":true,\"raw\":\"esrecurse@^4.1.0\",\"name\":\"esrecurse\",\"escapedName\":\"esrecurse\",\"rawSpec\":\"^4.1.0\",\"saveSpec\":null,\"fetchSpec\":\"^4.1.0\"},\"_requiredBy\":[\"/babel-eslint/eslint-scope\",\"/eslint-scope\",\"/webpack/eslint-scope\"],\"_resolved\":\"https://registry.npmjs.org/esrecurse/-/esrecurse-4.2.1.tgz\",\"_shasum\":\"007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf\",\"_spec\":\"esrecurse@^4.1.0\",\"_where\":\"/home/dcsapak/git/pve-eslint/eslint-v7.0.0-alpha.3/node_modules/eslint-scope\",\"babel\":{\"presets\":[\"es2015\"]},\"bugs\":{\"url\":\"https://github.com/estools/esrecurse/issues\"},\"bundleDependencies\":false,\"dependencies\":{\"estraverse\":\"^4.1.0\"},\"deprecated\":false,\"description\":\"ECMAScript AST recursive visitor\",\"devDependencies\":{\"babel-cli\":\"^6.24.1\",\"babel-eslint\":\"^7.2.3\",\"babel-preset-es2015\":\"^6.24.1\",\"babel-register\":\"^6.24.1\",\"chai\":\"^4.0.2\",\"esprima\":\"^4.0.0\",\"gulp\":\"^3.9.0\",\"gulp-bump\":\"^2.7.0\",\"gulp-eslint\":\"^4.0.0\",\"gulp-filter\":\"^5.0.0\",\"gulp-git\":\"^2.4.1\",\"gulp-mocha\":\"^4.3.1\",\"gulp-tag-version\":\"^1.2.1\",\"jsdoc\":\"^3.3.0-alpha10\",\"minimist\":\"^1.1.0\"},\"engines\":{\"node\":\">=4.0\"},\"homepage\":\"https://github.com/estools/esrecurse\",\"license\":\"BSD-2-Clause\",\"main\":\"esrecurse.js\",\"maintainers\":[{\"name\":\"Yusuke Suzuki\",\"email\":\"utatane.tea@gmail.com\",\"url\":\"https://github.com/Constellation\"}],\"name\":\"esrecurse\",\"repository\":{\"type\":\"git\",\"url\":\"git+https://github.com/estools/esrecurse.git\"},\"scripts\":{\"lint\":\"gulp lint\",\"test\":\"gulp travis\",\"unit-test\":\"gulp test\"},\"version\":\"4.2.1\"}");
+
+/***/ }),
+/* 390 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*
+  Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* eslint-disable no-undefined */
+
+const Syntax = __webpack_require__(382).Syntax;
+
+const esrecurse = __webpack_require__(388);
+/**
+ * Get last array element
+ * @param {array} xs - array
+ * @returns {any} Last elment
+ */
+
+
+function getLast(xs) {
+  return xs[xs.length - 1] || null;
+}
+
+class PatternVisitor extends esrecurse.Visitor {
+  static isPattern(node) {
+    const nodeType = node.type;
+    return nodeType === Syntax.Identifier || nodeType === Syntax.ObjectPattern || nodeType === Syntax.ArrayPattern || nodeType === Syntax.SpreadElement || nodeType === Syntax.RestElement || nodeType === Syntax.AssignmentPattern;
+  }
+
+  constructor(options, rootPattern, callback) {
+    super(null, options);
+    this.rootPattern = rootPattern;
+    this.callback = callback;
+    this.assignments = [];
+    this.rightHandNodes = [];
+    this.restElements = [];
+  }
+
+  Identifier(pattern) {
+    const lastRestElement = getLast(this.restElements);
+    this.callback(pattern, {
+      topLevel: pattern === this.rootPattern,
+      rest: lastRestElement !== null && lastRestElement !== undefined && lastRestElement.argument === pattern,
+      assignments: this.assignments
+    });
+  }
+
+  Property(property) {
+    // Computed property's key is a right hand node.
+    if (property.computed) {
+      this.rightHandNodes.push(property.key);
+    } // If it's shorthand, its key is same as its value.
+    // If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern).
+    // If it's not shorthand, the name of new variable is its value's.
+
+
+    this.visit(property.value);
+  }
+
+  ArrayPattern(pattern) {
+    for (let i = 0, iz = pattern.elements.length; i < iz; ++i) {
+      const element = pattern.elements[i];
+      this.visit(element);
+    }
+  }
+
+  AssignmentPattern(pattern) {
+    this.assignments.push(pattern);
+    this.visit(pattern.left);
+    this.rightHandNodes.push(pattern.right);
+    this.assignments.pop();
+  }
+
+  RestElement(pattern) {
+    this.restElements.push(pattern);
+    this.visit(pattern.argument);
+    this.restElements.pop();
+  }
+
+  MemberExpression(node) {
+    // Computed property's key is a right hand node.
+    if (node.computed) {
+      this.rightHandNodes.push(node.property);
+    } // the object is only read, write to its property.
+
+
+    this.rightHandNodes.push(node.object);
+  } //
+  // ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression.
+  // By spec, LeftHandSideExpression is Pattern or MemberExpression.
+  //   (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758)
+  // But espree 2.0 parses to ArrayExpression, ObjectExpression, etc...
+  //
+
+
+  SpreadElement(node) {
+    this.visit(node.argument);
+  }
+
+  ArrayExpression(node) {
+    node.elements.forEach(this.visit, this);
+  }
+
+  AssignmentExpression(node) {
+    this.assignments.push(node);
+    this.visit(node.left);
+    this.rightHandNodes.push(node.right);
+    this.assignments.pop();
+  }
+
+  CallExpression(node) {
+    // arguments are right hand nodes.
+    node.arguments.forEach(a => {
+      this.rightHandNodes.push(a);
+    });
+    this.visit(node.callee);
+  }
+
+}
+
+module.exports = PatternVisitor;
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 391 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"_from\":\"eslint-scope@^5.0.0\",\"_id\":\"eslint-scope@5.0.0\",\"_inBundle\":false,\"_integrity\":\"sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==\",\"_location\":\"/eslint-scope\",\"_phantomChildren\":{},\"_requested\":{\"type\":\"range\",\"registry\":true,\"raw\":\"eslint-scope@^5.0.0\",\"name\":\"eslint-scope\",\"escapedName\":\"eslint-scope\",\"rawSpec\":\"^5.0.0\",\"saveSpec\":null,\"fetchSpec\":\"^5.0.0\"},\"_requiredBy\":[\"/\",\"/eslint\"],\"_resolved\":\"https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz\",\"_shasum\":\"e87c8887c73e8d1ec84f1ca591645c358bfc8fb9\",\"_spec\":\"eslint-scope@^5.0.0\",\"_where\":\"/home/dcsapak/git/pve-eslint/eslint-v7.0.0-alpha.3\",\"bugs\":{\"url\":\"https://github.com/eslint/eslint-scope/issues\"},\"bundleDependencies\":false,\"dependencies\":{\"esrecurse\":\"^4.1.0\",\"estraverse\":\"^4.1.1\"},\"deprecated\":false,\"description\":\"ECMAScript scope analyzer for ESLint\",\"devDependencies\":{\"@typescript-eslint/parser\":\"^1.11.0\",\"chai\":\"^4.2.0\",\"eslint\":\"^6.0.1\",\"eslint-config-eslint\":\"^5.0.1\",\"eslint-plugin-node\":\"^9.1.0\",\"eslint-release\":\"^1.0.0\",\"espree\":\"^6.0.0\",\"istanbul\":\"^0.4.5\",\"mocha\":\"^6.1.4\",\"npm-license\":\"^0.3.3\",\"shelljs\":\"^0.8.3\",\"typescript\":\"^3.5.2\"},\"engines\":{\"node\":\">=8.0.0\"},\"files\":[\"LICENSE\",\"README.md\",\"lib\"],\"homepage\":\"http://github.com/eslint/eslint-scope\",\"license\":\"BSD-2-Clause\",\"main\":\"lib/index.js\",\"name\":\"eslint-scope\",\"repository\":{\"type\":\"git\",\"url\":\"git+https://github.com/eslint/eslint-scope.git\"},\"scripts\":{\"generate-alpharelease\":\"eslint-generate-prerelease alpha\",\"generate-betarelease\":\"eslint-generate-prerelease beta\",\"generate-rcrelease\":\"eslint-generate-prerelease rc\",\"generate-release\":\"eslint-generate-release\",\"lint\":\"node Makefile.js lint\",\"publish-release\":\"eslint-publish-release\",\"test\":\"node Makefile.js test\"},\"version\":\"5.0.0\"}");
+
+/***/ }),
+/* 392 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * See LICENSE file in root directory for full license.
+ */
+
+
+const KEYS = __webpack_require__(393); // Types.
+
+
+const NODE_TYPES = Object.freeze(Object.keys(KEYS)); // Freeze the keys.
+
+for (const type of NODE_TYPES) {
+  Object.freeze(KEYS[type]);
+}
+
+Object.freeze(KEYS); // List to ignore keys.
+
+const KEY_BLACKLIST = new Set(["parent", "leadingComments", "trailingComments"]);
+/**
+ * Check whether a given key should be used or not.
+ * @param {string} key The key to check.
+ * @returns {boolean} `true` if the key should be used.
+ */
+
+function filterKey(key) {
+  return !KEY_BLACKLIST.has(key) && key[0] !== "_";
+} //------------------------------------------------------------------------------
+// Public interfaces
+//------------------------------------------------------------------------------
+
+
+module.exports = Object.freeze({
+  /**
+   * Visitor keys.
+   * @type {{ [type: string]: string[] | undefined }}
+   */
+  KEYS,
+
+  /**
+   * Get visitor keys of a given node.
+   * @param {Object} node The AST node to get keys.
+   * @returns {string[]} Visitor keys of the node.
+   */
+  getKeys(node) {
+    return Object.keys(node).filter(filterKey);
+  },
+
+  // Disable valid-jsdoc rule because it reports syntax error on the type of @returns.
+  // eslint-disable-next-line valid-jsdoc
+
+  /**
+   * Make the union set with `KEYS` and given keys.
+   * @param {Object} additionalKeys The additional keys.
+   * @returns {{ [type: string]: string[] | undefined }} The union set.
+   */
+  unionWith(additionalKeys) {
+    const retv = Object.assign({}, KEYS);
+
+    for (const type of Object.keys(additionalKeys)) {
+      if (retv.hasOwnProperty(type)) {
+        const keys = new Set(additionalKeys[type]);
+
+        for (const key of retv[type]) {
+          keys.add(key);
+        }
+
+        retv[type] = Object.freeze(Array.from(keys));
+      } else {
+        retv[type] = Object.freeze(Array.from(additionalKeys[type]));
+      }
+    }
+
+    return Object.freeze(retv);
+  }
+
+});
+
+/***/ }),
+/* 393 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"AssignmentExpression\":[\"left\",\"right\"],\"AssignmentPattern\":[\"left\",\"right\"],\"ArrayExpression\":[\"elements\"],\"ArrayPattern\":[\"elements\"],\"ArrowFunctionExpression\":[\"params\",\"body\"],\"AwaitExpression\":[\"argument\"],\"BlockStatement\":[\"body\"],\"BinaryExpression\":[\"left\",\"right\"],\"BreakStatement\":[\"label\"],\"CallExpression\":[\"callee\",\"arguments\"],\"CatchClause\":[\"param\",\"body\"],\"ClassBody\":[\"body\"],\"ClassDeclaration\":[\"id\",\"superClass\",\"body\"],\"ClassExpression\":[\"id\",\"superClass\",\"body\"],\"ConditionalExpression\":[\"test\",\"consequent\",\"alternate\"],\"ContinueStatement\":[\"label\"],\"DebuggerStatement\":[],\"DoWhileStatement\":[\"body\",\"test\"],\"EmptyStatement\":[],\"ExportAllDeclaration\":[\"source\"],\"ExportDefaultDeclaration\":[\"declaration\"],\"ExportNamedDeclaration\":[\"declaration\",\"specifiers\",\"source\"],\"ExportSpecifier\":[\"exported\",\"local\"],\"ExpressionStatement\":[\"expression\"],\"ExperimentalRestProperty\":[\"argument\"],\"ExperimentalSpreadProperty\":[\"argument\"],\"ForStatement\":[\"init\",\"test\",\"update\",\"body\"],\"ForInStatement\":[\"left\",\"right\",\"body\"],\"ForOfStatement\":[\"left\",\"right\",\"body\"],\"FunctionDeclaration\":[\"id\",\"params\",\"body\"],\"FunctionExpression\":[\"id\",\"params\",\"body\"],\"Identifier\":[],\"IfStatement\":[\"test\",\"consequent\",\"alternate\"],\"ImportDeclaration\":[\"specifiers\",\"source\"],\"ImportDefaultSpecifier\":[\"local\"],\"ImportExpression\":[\"source\"],\"ImportNamespaceSpecifier\":[\"local\"],\"ImportSpecifier\":[\"imported\",\"local\"],\"JSXAttribute\":[\"name\",\"value\"],\"JSXClosingElement\":[\"name\"],\"JSXElement\":[\"openingElement\",\"children\",\"closingElement\"],\"JSXEmptyExpression\":[],\"JSXExpressionContainer\":[\"expression\"],\"JSXIdentifier\":[],\"JSXMemberExpression\":[\"object\",\"property\"],\"JSXNamespacedName\":[\"namespace\",\"name\"],\"JSXOpeningElement\":[\"name\",\"attributes\"],\"JSXSpreadAttribute\":[\"argument\"],\"JSXText\":[],\"JSXFragment\":[\"openingFragment\",\"children\",\"closingFragment\"],\"Literal\":[],\"LabeledStatement\":[\"label\",\"body\"],\"LogicalExpression\":[\"left\",\"right\"],\"MemberExpression\":[\"object\",\"property\"],\"MetaProperty\":[\"meta\",\"property\"],\"MethodDefinition\":[\"key\",\"value\"],\"NewExpression\":[\"callee\",\"arguments\"],\"ObjectExpression\":[\"properties\"],\"ObjectPattern\":[\"properties\"],\"Program\":[\"body\"],\"Property\":[\"key\",\"value\"],\"RestElement\":[\"argument\"],\"ReturnStatement\":[\"argument\"],\"SequenceExpression\":[\"expressions\"],\"SpreadElement\":[\"argument\"],\"Super\":[],\"SwitchStatement\":[\"discriminant\",\"cases\"],\"SwitchCase\":[\"test\",\"consequent\"],\"TaggedTemplateExpression\":[\"tag\",\"quasi\"],\"TemplateElement\":[],\"TemplateLiteral\":[\"quasis\",\"expressions\"],\"ThisExpression\":[],\"ThrowStatement\":[\"argument\"],\"TryStatement\":[\"block\",\"handler\",\"finalizer\"],\"UnaryExpression\":[\"argument\"],\"UpdateExpression\":[\"argument\"],\"VariableDeclaration\":[\"declarations\"],\"VariableDeclarator\":[\"id\",\"init\"],\"WhileStatement\":[\"test\",\"body\"],\"WithStatement\":[\"object\",\"body\"],\"YieldExpression\":[\"argument\"]}");
+
+/***/ }),
+/* 394 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Main Espree file that converts Acorn into Esprima output.
+ *
+ * This file contains code from the following MIT-licensed projects:
+ * 1. Acorn
+ * 2. Babylon
+ * 3. Babel-ESLint
+ *
+ * This file also contains code from Esprima, which is BSD licensed.
+ *
+ * Acorn is Copyright 2012-2015 Acorn Contributors (https://github.com/marijnh/acorn/blob/master/AUTHORS)
+ * Babylon is Copyright 2014-2015 various contributors (https://github.com/babel/babel/blob/master/packages/babylon/AUTHORS)
+ * Babel-ESLint is Copyright 2014-2015 Sebastian McKenzie <sebmck@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Esprima is Copyright (c) jQuery Foundation, Inc. and Contributors, All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* eslint no-undefined:0, no-use-before-define: 0 */
+
+
+const acorn = __webpack_require__(395);
+
+const jsx = __webpack_require__(396);
+
+const astNodeTypes = __webpack_require__(398);
+
+const espree = __webpack_require__(399);
+
+const {
+  getLatestEcmaVersion,
+  getSupportedEcmaVersions
+} = __webpack_require__(401); // To initialize lazily.
+
+
+const parsers = {
+  _regular: null,
+  _jsx: null,
+
+  get regular() {
+    if (this._regular === null) {
+      this._regular = acorn.Parser.extend(espree());
+    }
+
+    return this._regular;
+  },
+
+  get jsx() {
+    if (this._jsx === null) {
+      this._jsx = acorn.Parser.extend(jsx(), espree());
+    }
+
+    return this._jsx;
+  },
+
+  get(options) {
+    const useJsx = Boolean(options && options.ecmaFeatures && options.ecmaFeatures.jsx);
+    return useJsx ? this.jsx : this.regular;
+  }
+
+}; //------------------------------------------------------------------------------
+// Tokenizer
+//------------------------------------------------------------------------------
+
+/**
+ * Tokenizes the given code.
+ * @param {string} code The code to tokenize.
+ * @param {Object} options Options defining how to tokenize.
+ * @returns {Token[]} An array of tokens.
+ * @throws {SyntaxError} If the input code is invalid.
+ * @private
+ */
+
+function tokenize(code, options) {
+  const Parser = parsers.get(options); // Ensure to collect tokens.
+
+  if (!options || options.tokens !== true) {
+    options = Object.assign({}, options, {
+      tokens: true
+    }); // eslint-disable-line no-param-reassign
+  }
+
+  return new Parser(options, code).tokenize();
+} //------------------------------------------------------------------------------
+// Parser
+//------------------------------------------------------------------------------
+
+/**
+ * Parses the given code.
+ * @param {string} code The code to tokenize.
+ * @param {Object} options Options defining how to tokenize.
+ * @returns {ASTNode} The "Program" AST node.
+ * @throws {SyntaxError} If the input code is invalid.
+ */
+
+
+function parse(code, options) {
+  const Parser = parsers.get(options);
+  return new Parser(options, code).parse();
+} //------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+
+exports.version = __webpack_require__(402).version;
+exports.tokenize = tokenize;
+exports.parse = parse; // Deep copy.
+
+/* istanbul ignore next */
+
+exports.Syntax = function () {
+  let name,
+      types = {};
+
+  if (typeof Object.create === "function") {
+    types = Object.create(null);
+  }
+
+  for (name in astNodeTypes) {
+    if (Object.hasOwnProperty.call(astNodeTypes, name)) {
+      types[name] = astNodeTypes[name];
+    }
+  }
+
+  if (typeof Object.freeze === "function") {
+    Object.freeze(types);
+  }
+
+  return types;
+}();
+/* istanbul ignore next */
+
+
+exports.VisitorKeys = function () {
+  return __webpack_require__(392).KEYS;
+}();
+
+exports.latestEcmaVersion = getLatestEcmaVersion();
+exports.supportedEcmaVersions = getSupportedEcmaVersions();
+
+/***/ }),
+/* 395 */
+/***/ (function(module, exports, __webpack_require__) {
+
+(function (global, factory) {
+   true ? factory(exports) : undefined;
+})(this, function (exports) {
+  'use strict'; // Reserved word lists for various dialects of the language
+
+  var reservedWords = {
+    3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
+    5: "class enum extends super const export import",
+    6: "enum",
+    strict: "implements interface let package private protected public static yield",
+    strictBind: "eval arguments"
+  }; // And the keywords
+
+  var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";
+  var keywords = {
+    5: ecma5AndLessKeywords,
+    "5module": ecma5AndLessKeywords + " export import",
+    6: ecma5AndLessKeywords + " const class extends export import super"
+  };
+  var keywordRelationalOperator = /^in(stanceof)?$/; // ## Character categories
+  // Big ugly regular expressions that match characters in the
+  // whitespace, identifier, and identifier-start categories. These
+  // are only applied when a character is found to actually have a
+  // code point above 128.
+  // Generated by `bin/generate-identifier-regex.js`.
+
+  var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fef\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7bf\ua7c2-\ua7c6\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab67\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc";
+  var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d3-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f";
+  var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
+  var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
+  nonASCIIidentifierStartChars = nonASCIIidentifierChars = null; // These are a run-length and offset encoded representation of the
+  // >0xffff code points that are a valid part of identifiers. The
+  // offset starts at 0x10000, and each pair of numbers represents an
+  // offset to the next range, and then a size of the range. They were
+  // generated by bin/generate-identifier-regex.js
+  // eslint-disable-next-line comma-spacing
+
+  var astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 157, 310, 10, 21, 11, 7, 153, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 477, 28, 11, 0, 9, 21, 155, 22, 13, 52, 76, 44, 33, 24, 27, 35, 30, 0, 12, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 85, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 159, 52, 19, 3, 21, 0, 33, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 230, 43, 117, 63, 32, 0, 161, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 35, 56, 264, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 270, 921, 103, 110, 18, 195, 2749, 1070, 4050, 582, 8634, 568, 8, 30, 114, 29, 19, 47, 17, 3, 32, 20, 6, 18, 689, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 754, 9486, 286, 50, 2, 18, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 2357, 44, 11, 6, 17, 0, 370, 43, 1301, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42710, 42, 4148, 12, 221, 3, 5761, 15, 7472, 3104, 541]; // eslint-disable-next-line comma-spacing
+
+  var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 525, 10, 176, 2, 54, 14, 32, 9, 16, 3, 46, 10, 54, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 4, 9, 83, 11, 7, 0, 161, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 193, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 84, 14, 5, 9, 243, 14, 166, 9, 232, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 406, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 19306, 9, 135, 4, 60, 6, 26, 9, 1014, 0, 2, 54, 8, 3, 19723, 1, 5319, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 262, 6, 10, 9, 419, 13, 1495, 6, 110, 6, 6, 9, 792487, 239]; // This has a complexity linear to the value of the code. The
+  // assumption is that looking up astral identifier characters is
+  // rare.
+
+  function isInAstralSet(code, set) {
+    var pos = 0x10000;
+
+    for (var i = 0; i < set.length; i += 2) {
+      pos += set[i];
+
+      if (pos > code) {
+        return false;
+      }
+
+      pos += set[i + 1];
+
+      if (pos >= code) {
+        return true;
+      }
+    }
+  } // Test whether a given character code starts an identifier.
+
+
+  function isIdentifierStart(code, astral) {
+    if (code < 65) {
+      return code === 36;
+    }
+
+    if (code < 91) {
+      return true;
+    }
+
+    if (code < 97) {
+      return code === 95;
+    }
+
+    if (code < 123) {
+      return true;
+    }
+
+    if (code <= 0xffff) {
+      return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));
+    }
+
+    if (astral === false) {
+      return false;
+    }
+
+    return isInAstralSet(code, astralIdentifierStartCodes);
+  } // Test whether a given character is part of an identifier.
+
+
+  function isIdentifierChar(code, astral) {
+    if (code < 48) {
+      return code === 36;
+    }
+
+    if (code < 58) {
+      return true;
+    }
+
+    if (code < 65) {
+      return false;
+    }
+
+    if (code < 91) {
+      return true;
+    }
+
+    if (code < 97) {
+      return code === 95;
+    }
+
+    if (code < 123) {
+      return true;
+    }
+
+    if (code <= 0xffff) {
+      return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));
+    }
+
+    if (astral === false) {
+      return false;
+    }
+
+    return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes);
+  } // ## Token types
+  // The assignment of fine-grained, information-carrying type objects
+  // allows the tokenizer to store the information it has about a
+  // token in a way that is very cheap for the parser to look up.
+  // All token type variables start with an underscore, to make them
+  // easy to recognize.
+  // The `beforeExpr` property is used to disambiguate between regular
+  // expressions and divisions. It is set on all token types that can
+  // be followed by an expression (thus, a slash after them would be a
+  // regular expression).
+  //
+  // The `startsExpr` property is used to check if the token ends a
+  // `yield` expression. It is set on all token types that either can
+  // directly start an expression (like a quotation mark) or can
+  // continue an expression (like the body of a string).
+  //
+  // `isLoop` marks a keyword as starting a loop, which is important
+  // to know when parsing a label, in order to allow or disallow
+  // continue jumps to that label.
+
+
+  var TokenType = function TokenType(label, conf) {
+    if (conf === void 0) conf = {};
+    this.label = label;
+    this.keyword = conf.keyword;
+    this.beforeExpr = !!conf.beforeExpr;
+    this.startsExpr = !!conf.startsExpr;
+    this.isLoop = !!conf.isLoop;
+    this.isAssign = !!conf.isAssign;
+    this.prefix = !!conf.prefix;
+    this.postfix = !!conf.postfix;
+    this.binop = conf.binop || null;
+    this.updateContext = null;
+  };
+
+  function binop(name, prec) {
+    return new TokenType(name, {
+      beforeExpr: true,
+      binop: prec
+    });
+  }
+
+  var beforeExpr = {
+    beforeExpr: true
+  },
+      startsExpr = {
+    startsExpr: true
+  }; // Map keyword names to token types.
+
+  var keywords$1 = {}; // Succinct definitions of keyword token types
+
+  function kw(name, options) {
+    if (options === void 0) options = {};
+    options.keyword = name;
+    return keywords$1[name] = new TokenType(name, options);
+  }
+
+  var types = {
+    num: new TokenType("num", startsExpr),
+    regexp: new TokenType("regexp", startsExpr),
+    string: new TokenType("string", startsExpr),
+    name: new TokenType("name", startsExpr),
+    eof: new TokenType("eof"),
+    // Punctuation token types.
+    bracketL: new TokenType("[", {
+      beforeExpr: true,
+      startsExpr: true
+    }),
+    bracketR: new TokenType("]"),
+    braceL: new TokenType("{", {
+      beforeExpr: true,
+      startsExpr: true
+    }),
+    braceR: new TokenType("}"),
+    parenL: new TokenType("(", {
+      beforeExpr: true,
+      startsExpr: true
+    }),
+    parenR: new TokenType(")"),
+    comma: new TokenType(",", beforeExpr),
+    semi: new TokenType(";", beforeExpr),
+    colon: new TokenType(":", beforeExpr),
+    dot: new TokenType("."),
+    question: new TokenType("?", beforeExpr),
+    arrow: new TokenType("=>", beforeExpr),
+    template: new TokenType("template"),
+    invalidTemplate: new TokenType("invalidTemplate"),
+    ellipsis: new TokenType("...", beforeExpr),
+    backQuote: new TokenType("`", startsExpr),
+    dollarBraceL: new TokenType("${", {
+      beforeExpr: true,
+      startsExpr: true
+    }),
+    // Operators. These carry several kinds of properties to help the
+    // parser use them properly (the presence of these properties is
+    // what categorizes them as operators).
+    //
+    // `binop`, when present, specifies that this operator is a binary
+    // operator, and will refer to its precedence.
+    //
+    // `prefix` and `postfix` mark the operator as a prefix or postfix
+    // unary operator.
+    //
+    // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as
+    // binary operators with a very low precedence, that should result
+    // in AssignmentExpression nodes.
+    eq: new TokenType("=", {
+      beforeExpr: true,
+      isAssign: true
+    }),
+    assign: new TokenType("_=", {
+      beforeExpr: true,
+      isAssign: true
+    }),
+    incDec: new TokenType("++/--", {
+      prefix: true,
+      postfix: true,
+      startsExpr: true
+    }),
+    prefix: new TokenType("!/~", {
+      beforeExpr: true,
+      prefix: true,
+      startsExpr: true
+    }),
+    logicalOR: binop("||", 1),
+    logicalAND: binop("&&", 2),
+    bitwiseOR: binop("|", 3),
+    bitwiseXOR: binop("^", 4),
+    bitwiseAND: binop("&", 5),
+    equality: binop("==/!=/===/!==", 6),
+    relational: binop("</>/<=/>=", 7),
+    bitShift: binop("<</>>/>>>", 8),
+    plusMin: new TokenType("+/-", {
+      beforeExpr: true,
+      binop: 9,
+      prefix: true,
+      startsExpr: true
+    }),
+    modulo: binop("%", 10),
+    star: binop("*", 10),
+    slash: binop("/", 10),
+    starstar: new TokenType("**", {
+      beforeExpr: true
+    }),
+    // Keyword token types.
+    _break: kw("break"),
+    _case: kw("case", beforeExpr),
+    _catch: kw("catch"),
+    _continue: kw("continue"),
+    _debugger: kw("debugger"),
+    _default: kw("default", beforeExpr),
+    _do: kw("do", {
+      isLoop: true,
+      beforeExpr: true
+    }),
+    _else: kw("else", beforeExpr),
+    _finally: kw("finally"),
+    _for: kw("for", {
+      isLoop: true
+    }),
+    _function: kw("function", startsExpr),
+    _if: kw("if"),
+    _return: kw("return", beforeExpr),
+    _switch: kw("switch"),
+    _throw: kw("throw", beforeExpr),
+    _try: kw("try"),
+    _var: kw("var"),
+    _const: kw("const"),
+    _while: kw("while", {
+      isLoop: true
+    }),
+    _with: kw("with"),
+    _new: kw("new", {
+      beforeExpr: true,
+      startsExpr: true
+    }),
+    _this: kw("this", startsExpr),
+    _super: kw("super", startsExpr),
+    _class: kw("class", startsExpr),
+    _extends: kw("extends", beforeExpr),
+    _export: kw("export"),
+    _import: kw("import", startsExpr),
+    _null: kw("null", startsExpr),
+    _true: kw("true", startsExpr),
+    _false: kw("false", startsExpr),
+    _in: kw("in", {
+      beforeExpr: true,
+      binop: 7
+    }),
+    _instanceof: kw("instanceof", {
+      beforeExpr: true,
+      binop: 7
+    }),
+    _typeof: kw("typeof", {
+      beforeExpr: true,
+      prefix: true,
+      startsExpr: true
+    }),
+    _void: kw("void", {
+      beforeExpr: true,
+      prefix: true,
+      startsExpr: true
+    }),
+    _delete: kw("delete", {
+      beforeExpr: true,
+      prefix: true,
+      startsExpr: true
+    })
+  }; // Matches a whole line break (where CRLF is considered a single
+  // line break). Used to count lines.
+
+  var lineBreak = /\r\n?|\n|\u2028|\u2029/;
+  var lineBreakG = new RegExp(lineBreak.source, "g");
+
+  function isNewLine(code, ecma2019String) {
+    return code === 10 || code === 13 || !ecma2019String && (code === 0x2028 || code === 0x2029);
+  }
+
+  var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/;
+  var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g;
+  var ref = Object.prototype;
+  var hasOwnProperty = ref.hasOwnProperty;
+  var toString = ref.toString; // Checks if an object has a property.
+
+  function has(obj, propName) {
+    return hasOwnProperty.call(obj, propName);
+  }
+
+  var isArray = Array.isArray || function (obj) {
+    return toString.call(obj) === "[object Array]";
+  };
+
+  function wordsRegexp(words) {
+    return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$");
+  } // These are used when `options.locations` is on, for the
+  // `startLoc` and `endLoc` properties.
+
+
+  var Position = function Position(line, col) {
+    this.line = line;
+    this.column = col;
+  };
+
+  Position.prototype.offset = function offset(n) {
+    return new Position(this.line, this.column + n);
+  };
+
+  var SourceLocation = function SourceLocation(p, start, end) {
+    this.start = start;
+    this.end = end;
+
+    if (p.sourceFile !== null) {
+      this.source = p.sourceFile;
+    }
+  }; // The `getLineInfo` function is mostly useful when the
+  // `locations` option is off (for performance reasons) and you
+  // want to find the line/column position for a given character
+  // offset. `input` should be the code string that the offset refers
+  // into.
+
+
+  function getLineInfo(input, offset) {
+    for (var line = 1, cur = 0;;) {
+      lineBreakG.lastIndex = cur;
+      var match = lineBreakG.exec(input);
+
+      if (match && match.index < offset) {
+        ++line;
+        cur = match.index + match[0].length;
+      } else {
+        return new Position(line, offset - cur);
+      }
+    }
+  } // A second optional argument can be given to further configure
+  // the parser process. These options are recognized:
+
+
+  var defaultOptions = {
+    // `ecmaVersion` indicates the ECMAScript version to parse. Must be
+    // either 3, 5, 6 (2015), 7 (2016), 8 (2017), 9 (2018), or 10
+    // (2019). This influences support for strict mode, the set of
+    // reserved words, and support for new syntax features. The default
+    // is 10.
+    ecmaVersion: 10,
+    // `sourceType` indicates the mode the code should be parsed in.
+    // Can be either `"script"` or `"module"`. This influences global
+    // strict mode and parsing of `import` and `export` declarations.
+    sourceType: "script",
+    // `onInsertedSemicolon` can be a callback that will be called
+    // when a semicolon is automatically inserted. It will be passed
+    // the position of the comma as an offset, and if `locations` is
+    // enabled, it is given the location as a `{line, column}` object
+    // as second argument.
+    onInsertedSemicolon: null,
+    // `onTrailingComma` is similar to `onInsertedSemicolon`, but for
+    // trailing commas.
+    onTrailingComma: null,
+    // By default, reserved words are only enforced if ecmaVersion >= 5.
+    // Set `allowReserved` to a boolean value to explicitly turn this on
+    // an off. When this option has the value "never", reserved words
+    // and keywords can also not be used as property names.
+    allowReserved: null,
+    // When enabled, a return at the top level is not considered an
+    // error.
+    allowReturnOutsideFunction: false,
+    // When enabled, import/export statements are not constrained to
+    // appearing at the top of the program.
+    allowImportExportEverywhere: false,
+    // When enabled, await identifiers are allowed to appear at the top-level scope,
+    // but they are still not allowed in non-async functions.
+    allowAwaitOutsideFunction: false,
+    // When enabled, hashbang directive in the beginning of file
+    // is allowed and treated as a line comment.
+    allowHashBang: false,
+    // When `locations` is on, `loc` properties holding objects with
+    // `start` and `end` properties in `{line, column}` form (with
+    // line being 1-based and column 0-based) will be attached to the
+    // nodes.
+    locations: false,
+    // A function can be passed as `onToken` option, which will
+    // cause Acorn to call that function with object in the same
+    // format as tokens returned from `tokenizer().getToken()`. Note
+    // that you are not allowed to call the parser from the
+    // callback—that will corrupt its internal state.
+    onToken: null,
+    // A function can be passed as `onComment` option, which will
+    // cause Acorn to call that function with `(block, text, start,
+    // end)` parameters whenever a comment is skipped. `block` is a
+    // boolean indicating whether this is a block (`/* */`) comment,
+    // `text` is the content of the comment, and `start` and `end` are
+    // character offsets that denote the start and end of the comment.
+    // When the `locations` option is on, two more parameters are
+    // passed, the full `{line, column}` locations of the start and
+    // end of the comments. Note that you are not allowed to call the
+    // parser from the callback—that will corrupt its internal state.
+    onComment: null,
+    // Nodes have their start and end characters offsets recorded in
+    // `start` and `end` properties (directly on the node, rather than
+    // the `loc` object, which holds line/column data. To also add a
+    // [semi-standardized][range] `range` property holding a `[start,
+    // end]` array with the same numbers, set the `ranges` option to
+    // `true`.
+    //
+    // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
+    ranges: false,
+    // It is possible to parse multiple files into a single AST by
+    // passing the tree produced by parsing the first file as
+    // `program` option in subsequent parses. This will add the
+    // toplevel forms of the parsed file to the `Program` (top) node
+    // of an existing parse tree.
+    program: null,
+    // When `locations` is on, you can pass this to record the source
+    // file in every node's `loc` object.
+    sourceFile: null,
+    // This value, if given, is stored in every node, whether
+    // `locations` is on or off.
+    directSourceFile: null,
+    // When enabled, parenthesized expressions are represented by
+    // (non-standard) ParenthesizedExpression nodes
+    preserveParens: false
+  }; // Interpret and default an options object
+
+  function getOptions(opts) {
+    var options = {};
+
+    for (var opt in defaultOptions) {
+      options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt];
+    }
+
+    if (options.ecmaVersion >= 2015) {
+      options.ecmaVersion -= 2009;
+    }
+
+    if (options.allowReserved == null) {
+      options.allowReserved = options.ecmaVersion < 5;
+    }
+
+    if (isArray(options.onToken)) {
+      var tokens = options.onToken;
+
+      options.onToken = function (token) {
+        return tokens.push(token);
+      };
+    }
+
+    if (isArray(options.onComment)) {
+      options.onComment = pushComment(options, options.onComment);
+    }
+
+    return options;
+  }
+
+  function pushComment(options, array) {
+    return function (block, text, start, end, startLoc, endLoc) {
+      var comment = {
+        type: block ? "Block" : "Line",
+        value: text,
+        start: start,
+        end: end
+      };
+
+      if (options.locations) {
+        comment.loc = new SourceLocation(this, startLoc, endLoc);
+      }
+
+      if (options.ranges) {
+        comment.range = [start, end];
+      }
+
+      array.push(comment);
+    };
+  } // Each scope gets a bitset that may contain these flags
+
+
+  var SCOPE_TOP = 1,
+      SCOPE_FUNCTION = 2,
+      SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION,
+      SCOPE_ASYNC = 4,
+      SCOPE_GENERATOR = 8,
+      SCOPE_ARROW = 16,
+      SCOPE_SIMPLE_CATCH = 32,
+      SCOPE_SUPER = 64,
+      SCOPE_DIRECT_SUPER = 128;
+
+  function functionFlags(async, generator) {
+    return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0);
+  } // Used in checkLVal and declareName to determine the type of a binding
+
+
+  var BIND_NONE = 0,
+      // Not a binding
+  BIND_VAR = 1,
+      // Var-style binding
+  BIND_LEXICAL = 2,
+      // Let- or const-style binding
+  BIND_FUNCTION = 3,
+      // Function declaration
+  BIND_SIMPLE_CATCH = 4,
+      // Simple (identifier pattern) catch binding
+  BIND_OUTSIDE = 5; // Special case for function names as bound inside the function
+
+  var Parser = function Parser(options, input, startPos) {
+    this.options = options = getOptions(options);
+    this.sourceFile = options.sourceFile;
+    this.keywords = wordsRegexp(keywords[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]);
+    var reserved = "";
+
+    if (options.allowReserved !== true) {
+      for (var v = options.ecmaVersion;; v--) {
+        if (reserved = reservedWords[v]) {
+          break;
+        }
+      }
+
+      if (options.sourceType === "module") {
+        reserved += " await";
+      }
+    }
+
+    this.reservedWords = wordsRegexp(reserved);
+    var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict;
+    this.reservedWordsStrict = wordsRegexp(reservedStrict);
+    this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind);
+    this.input = String(input); // Used to signal to callers of `readWord1` whether the word
+    // contained any escape sequences. This is needed because words with
+    // escape sequences must not be interpreted as keywords.
+
+    this.containsEsc = false; // Set up token state
+    // The current position of the tokenizer in the input.
+
+    if (startPos) {
+      this.pos = startPos;
+      this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;
+      this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;
+    } else {
+      this.pos = this.lineStart = 0;
+      this.curLine = 1;
+    } // Properties of the current token:
+    // Its type
+
+
+    this.type = types.eof; // For tokens that include more information than their type, the value
+
+    this.value = null; // Its start and end offset
+
+    this.start = this.end = this.pos; // And, if locations are used, the {line, column} object
+    // corresponding to those offsets
+
+    this.startLoc = this.endLoc = this.curPosition(); // Position information for the previous token
+
+    this.lastTokEndLoc = this.lastTokStartLoc = null;
+    this.lastTokStart = this.lastTokEnd = this.pos; // The context stack is used to superficially track syntactic
+    // context to predict whether a regular expression is allowed in a
+    // given position.
+
+    this.context = this.initialContext();
+    this.exprAllowed = true; // Figure out if it's a module code.
+
+    this.inModule = options.sourceType === "module";
+    this.strict = this.inModule || this.strictDirective(this.pos); // Used to signify the start of a potential arrow function
+
+    this.potentialArrowAt = -1; // Positions to delayed-check that yield/await does not exist in default parameters.
+
+    this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; // Labels in scope.
+
+    this.labels = []; // Thus-far undefined exports.
+
+    this.undefinedExports = {}; // If enabled, skip leading hashbang line.
+
+    if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") {
+      this.skipLineComment(2);
+    } // Scope tracking for duplicate variable names (see scope.js)
+
+
+    this.scopeStack = [];
+    this.enterScope(SCOPE_TOP); // For RegExp validation
+
+    this.regexpState = null;
+  };
+
+  var prototypeAccessors = {
+    inFunction: {
+      configurable: true
+    },
+    inGenerator: {
+      configurable: true
+    },
+    inAsync: {
+      configurable: true
+    },
+    allowSuper: {
+      configurable: true
+    },
+    allowDirectSuper: {
+      configurable: true
+    },
+    treatFunctionsAsVar: {
+      configurable: true
+    }
+  };
+
+  Parser.prototype.parse = function parse() {
+    var node = this.options.program || this.startNode();
+    this.nextToken();
+    return this.parseTopLevel(node);
+  };
+
+  prototypeAccessors.inFunction.get = function () {
+    return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0;
+  };
+
+  prototypeAccessors.inGenerator.get = function () {
+    return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0;
+  };
+
+  prototypeAccessors.inAsync.get = function () {
+    return (this.currentVarScope().flags & SCOPE_ASYNC) > 0;
+  };
+
+  prototypeAccessors.allowSuper.get = function () {
+    return (this.currentThisScope().flags & SCOPE_SUPER) > 0;
+  };
+
+  prototypeAccessors.allowDirectSuper.get = function () {
+    return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0;
+  };
+
+  prototypeAccessors.treatFunctionsAsVar.get = function () {
+    return this.treatFunctionsAsVarInScope(this.currentScope());
+  }; // Switch to a getter for 7.0.0.
+
+
+  Parser.prototype.inNonArrowFunction = function inNonArrowFunction() {
+    return (this.currentThisScope().flags & SCOPE_FUNCTION) > 0;
+  };
+
+  Parser.extend = function extend() {
+    var plugins = [],
+        len = arguments.length;
+
+    while (len--) plugins[len] = arguments[len];
+
+    var cls = this;
+
+    for (var i = 0; i < plugins.length; i++) {
+      cls = plugins[i](cls);
+    }
+
+    return cls;
+  };
+
+  Parser.parse = function parse(input, options) {
+    return new this(options, input).parse();
+  };
+
+  Parser.parseExpressionAt = function parseExpressionAt(input, pos, options) {
+    var parser = new this(options, input, pos);
+    parser.nextToken();
+    return parser.parseExpression();
+  };
+
+  Parser.tokenizer = function tokenizer(input, options) {
+    return new this(options, input);
+  };
+
+  Object.defineProperties(Parser.prototype, prototypeAccessors);
+  var pp = Parser.prototype; // ## Parser utilities
+
+  var literal = /^(?:'((?:\\.|[^'])*?)'|"((?:\\.|[^"])*?)")/;
+
+  pp.strictDirective = function (start) {
+    for (;;) {
+      // Try to find string literal.
+      skipWhiteSpace.lastIndex = start;
+      start += skipWhiteSpace.exec(this.input)[0].length;
+      var match = literal.exec(this.input.slice(start));
+
+      if (!match) {
+        return false;
+      }
+
+      if ((match[1] || match[2]) === "use strict") {
+        return true;
+      }
+
+      start += match[0].length; // Skip semicolon, if any.
+
+      skipWhiteSpace.lastIndex = start;
+      start += skipWhiteSpace.exec(this.input)[0].length;
+
+      if (this.input[start] === ";") {
+        start++;
+      }
+    }
+  }; // Predicate that tests whether the next token is of the given
+  // type, and if yes, consumes it as a side effect.
+
+
+  pp.eat = function (type) {
+    if (this.type === type) {
+      this.next();
+      return true;
+    } else {
+      return false;
+    }
+  }; // Tests whether parsed token is a contextual keyword.
+
+
+  pp.isContextual = function (name) {
+    return this.type === types.name && this.value === name && !this.containsEsc;
+  }; // Consumes contextual keyword if possible.
+
+
+  pp.eatContextual = function (name) {
+    if (!this.isContextual(name)) {
+      return false;
+    }
+
+    this.next();
+    return true;
+  }; // Asserts that following token is given contextual keyword.
+
+
+  pp.expectContextual = function (name) {
+    if (!this.eatContextual(name)) {
+      this.unexpected();
+    }
+  }; // Test whether a semicolon can be inserted at the current position.
+
+
+  pp.canInsertSemicolon = function () {
+    return this.type === types.eof || this.type === types.braceR || lineBreak.test(this.input.slice(this.lastTokEnd, this.start));
+  };
+
+  pp.insertSemicolon = function () {
+    if (this.canInsertSemicolon()) {
+      if (this.options.onInsertedSemicolon) {
+        this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc);
+      }
+
+      return true;
+    }
+  }; // Consume a semicolon, or, failing that, see if we are allowed to
+  // pretend that there is a semicolon at this position.
+
+
+  pp.semicolon = function () {
+    if (!this.eat(types.semi) && !this.insertSemicolon()) {
+      this.unexpected();
+    }
+  };
+
+  pp.afterTrailingComma = function (tokType, notNext) {
+    if (this.type === tokType) {
+      if (this.options.onTrailingComma) {
+        this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc);
+      }
+
+      if (!notNext) {
+        this.next();
+      }
+
+      return true;
+    }
+  }; // Expect a token of a given type. If found, consume it, otherwise,
+  // raise an unexpected token error.
+
+
+  pp.expect = function (type) {
+    this.eat(type) || this.unexpected();
+  }; // Raise an unexpected token error.
+
+
+  pp.unexpected = function (pos) {
+    this.raise(pos != null ? pos : this.start, "Unexpected token");
+  };
+
+  function DestructuringErrors() {
+    this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = this.doubleProto = -1;
+  }
+
+  pp.checkPatternErrors = function (refDestructuringErrors, isAssign) {
+    if (!refDestructuringErrors) {
+      return;
+    }
+
+    if (refDestructuringErrors.trailingComma > -1) {
+      this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element");
+    }
+
+    var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind;
+
+    if (parens > -1) {
+      this.raiseRecoverable(parens, "Parenthesized pattern");
+    }
+  };
+
+  pp.checkExpressionErrors = function (refDestructuringErrors, andThrow) {
+    if (!refDestructuringErrors) {
+      return false;
+    }
+
+    var shorthandAssign = refDestructuringErrors.shorthandAssign;
+    var doubleProto = refDestructuringErrors.doubleProto;
+
+    if (!andThrow) {
+      return shorthandAssign >= 0 || doubleProto >= 0;
+    }
+
+    if (shorthandAssign >= 0) {
+      this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns");
+    }
+
+    if (doubleProto >= 0) {
+      this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property");
+    }
+  };
+
+  pp.checkYieldAwaitInDefaultParams = function () {
+    if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) {
+      this.raise(this.yieldPos, "Yield expression cannot be a default value");
+    }
+
+    if (this.awaitPos) {
+      this.raise(this.awaitPos, "Await expression cannot be a default value");
+    }
+  };
+
+  pp.isSimpleAssignTarget = function (expr) {
+    if (expr.type === "ParenthesizedExpression") {
+      return this.isSimpleAssignTarget(expr.expression);
+    }
+
+    return expr.type === "Identifier" || expr.type === "MemberExpression";
+  };
+
+  var pp$1 = Parser.prototype; // ### Statement parsing
+  // Parse a program. Initializes the parser, reads any number of
+  // statements, and wraps them in a Program node.  Optionally takes a
+  // `program` argument.  If present, the statements will be appended
+  // to its body instead of creating a new node.
+
+  pp$1.parseTopLevel = function (node) {
+    var exports = {};
+
+    if (!node.body) {
+      node.body = [];
+    }
+
+    while (this.type !== types.eof) {
+      var stmt = this.parseStatement(null, true, exports);
+      node.body.push(stmt);
+    }
+
+    if (this.inModule) {
+      for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) {
+        var name = list[i];
+        this.raiseRecoverable(this.undefinedExports[name].start, "Export '" + name + "' is not defined");
+      }
+    }
+
+    this.adaptDirectivePrologue(node.body);
+    this.next();
+    node.sourceType = this.options.sourceType;
+    return this.finishNode(node, "Program");
+  };
+
+  var loopLabel = {
+    kind: "loop"
+  },
+      switchLabel = {
+    kind: "switch"
+  };
+
+  pp$1.isLet = function (context) {
+    if (this.options.ecmaVersion < 6 || !this.isContextual("let")) {
+      return false;
+    }
+
+    skipWhiteSpace.lastIndex = this.pos;
+    var skip = skipWhiteSpace.exec(this.input);
+    var next = this.pos + skip[0].length,
+        nextCh = this.input.charCodeAt(next); // For ambiguous cases, determine if a LexicalDeclaration (or only a
+    // Statement) is allowed here. If context is not empty then only a Statement
+    // is allowed. However, `let [` is an explicit negative lookahead for
+    // ExpressionStatement, so special-case it first.
+
+    if (nextCh === 91) {
+      return true;
+    } // '['
+
+
+    if (context) {
+      return false;
+    }
+
+    if (nextCh === 123) {
+      return true;
+    } // '{'
+
+
+    if (isIdentifierStart(nextCh, true)) {
+      var pos = next + 1;
+
+      while (isIdentifierChar(this.input.charCodeAt(pos), true)) {
+        ++pos;
+      }
+
+      var ident = this.input.slice(next, pos);
+
+      if (!keywordRelationalOperator.test(ident)) {
+        return true;
+      }
+    }
+
+    return false;
+  }; // check 'async [no LineTerminator here] function'
+  // - 'async /*foo*/ function' is OK.
+  // - 'async /*\n*/ function' is invalid.
+
+
+  pp$1.isAsyncFunction = function () {
+    if (this.options.ecmaVersion < 8 || !this.isContextual("async")) {
+      return false;
+    }
+
+    skipWhiteSpace.lastIndex = this.pos;
+    var skip = skipWhiteSpace.exec(this.input);
+    var next = this.pos + skip[0].length;
+    return !lineBreak.test(this.input.slice(this.pos, next)) && this.input.slice(next, next + 8) === "function" && (next + 8 === this.input.length || !isIdentifierChar(this.input.charAt(next + 8)));
+  }; // Parse a single statement.
+  //
+  // If expecting a statement and finding a slash operator, parse a
+  // regular expression literal. This is to handle cases like
+  // `if (foo) /blah/.exec(foo)`, where looking at the previous token
+  // does not help.
+
+
+  pp$1.parseStatement = function (context, topLevel, exports) {
+    var starttype = this.type,
+        node = this.startNode(),
+        kind;
+
+    if (this.isLet(context)) {
+      starttype = types._var;
+      kind = "let";
+    } // Most types of statements are recognized by the keyword they
+    // start with. Many are trivial to parse, some require a bit of
+    // complexity.
+
+
+    switch (starttype) {
+      case types._break:
+      case types._continue:
+        return this.parseBreakContinueStatement(node, starttype.keyword);
+
+      case types._debugger:
+        return this.parseDebuggerStatement(node);
+
+      case types._do:
+        return this.parseDoStatement(node);
+
+      case types._for:
+        return this.parseForStatement(node);
+
+      case types._function:
+        // Function as sole body of either an if statement or a labeled statement
+        // works, but not when it is part of a labeled statement that is the sole
+        // body of an if statement.
+        if (context && (this.strict || context !== "if" && context !== "label") && this.options.ecmaVersion >= 6) {
+          this.unexpected();
+        }
+
+        return this.parseFunctionStatement(node, false, !context);
+
+      case types._class:
+        if (context) {
+          this.unexpected();
+        }
+
+        return this.parseClass(node, true);
+
+      case types._if:
+        return this.parseIfStatement(node);
+
+      case types._return:
+        return this.parseReturnStatement(node);
+
+      case types._switch:
+        return this.parseSwitchStatement(node);
+
+      case types._throw:
+        return this.parseThrowStatement(node);
+
+      case types._try:
+        return this.parseTryStatement(node);
+
+      case types._const:
+      case types._var:
+        kind = kind || this.value;
+
+        if (context && kind !== "var") {
+          this.unexpected();
+        }
+
+        return this.parseVarStatement(node, kind);
+
+      case types._while:
+        return this.parseWhileStatement(node);
+
+      case types._with:
+        return this.parseWithStatement(node);
+
+      case types.braceL:
+        return this.parseBlock(true, node);
+
+      case types.semi:
+        return this.parseEmptyStatement(node);
+
+      case types._export:
+      case types._import:
+        if (this.options.ecmaVersion > 10 && starttype === types._import) {
+          skipWhiteSpace.lastIndex = this.pos;
+          var skip = skipWhiteSpace.exec(this.input);
+          var next = this.pos + skip[0].length,
+              nextCh = this.input.charCodeAt(next);
+
+          if (nextCh === 40) // '('
+            {
+              return this.parseExpressionStatement(node, this.parseExpression());
+            }
+        }
+
+        if (!this.options.allowImportExportEverywhere) {
+          if (!topLevel) {
+            this.raise(this.start, "'import' and 'export' may only appear at the top level");
+          }
+
+          if (!this.inModule) {
+            this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'");
+          }
+        }
+
+        return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports);
+      // If the statement does not start with a statement keyword or a
+      // brace, it's an ExpressionStatement or LabeledStatement. We
+      // simply start parsing an expression, and afterwards, if the
+      // next token is a colon and the expression was a simple
+      // Identifier node, we switch to interpreting it as a label.
+
+      default:
+        if (this.isAsyncFunction()) {
+          if (context) {
+            this.unexpected();
+          }
+
+          this.next();
+          return this.parseFunctionStatement(node, true, !context);
+        }
+
+        var maybeName = this.value,
+            expr = this.parseExpression();
+
+        if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon)) {
+          return this.parseLabeledStatement(node, maybeName, expr, context);
+        } else {
+          return this.parseExpressionStatement(node, expr);
+        }
+
+    }
+  };
+
+  pp$1.parseBreakContinueStatement = function (node, keyword) {
+    var isBreak = keyword === "break";
+    this.next();
+
+    if (this.eat(types.semi) || this.insertSemicolon()) {
+      node.label = null;
+    } else if (this.type !== types.name) {
+      this.unexpected();
+    } else {
+      node.label = this.parseIdent();
+      this.semicolon();
+    } // Verify that there is an actual destination to break or
+    // continue to.
+
+
+    var i = 0;
+
+    for (; i < this.labels.length; ++i) {
+      var lab = this.labels[i];
+
+      if (node.label == null || lab.name === node.label.name) {
+        if (lab.kind != null && (isBreak || lab.kind === "loop")) {
+          break;
+        }
+
+        if (node.label && isBreak) {
+          break;
+        }
+      }
+    }
+
+    if (i === this.labels.length) {
+      this.raise(node.start, "Unsyntactic " + keyword);
+    }
+
+    return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement");
+  };
+
+  pp$1.parseDebuggerStatement = function (node) {
+    this.next();
+    this.semicolon();
+    return this.finishNode(node, "DebuggerStatement");
+  };
+
+  pp$1.parseDoStatement = function (node) {
+    this.next();
+    this.labels.push(loopLabel);
+    node.body = this.parseStatement("do");
+    this.labels.pop();
+    this.expect(types._while);
+    node.test = this.parseParenExpression();
+
+    if (this.options.ecmaVersion >= 6) {
+      this.eat(types.semi);
+    } else {
+      this.semicolon();
+    }
+
+    return this.finishNode(node, "DoWhileStatement");
+  }; // Disambiguating between a `for` and a `for`/`in` or `for`/`of`
+  // loop is non-trivial. Basically, we have to parse the init `var`
+  // statement or expression, disallowing the `in` operator (see
+  // the second parameter to `parseExpression`), and then check
+  // whether the next token is `in` or `of`. When there is no init
+  // part (semicolon immediately after the opening parenthesis), it
+  // is a regular `for` loop.
+
+
+  pp$1.parseForStatement = function (node) {
+    this.next();
+    var awaitAt = this.options.ecmaVersion >= 9 && (this.inAsync || !this.inFunction && this.options.allowAwaitOutsideFunction) && this.eatContextual("await") ? this.lastTokStart : -1;
+    this.labels.push(loopLabel);
+    this.enterScope(0);
+    this.expect(types.parenL);
+
+    if (this.type === types.semi) {
+      if (awaitAt > -1) {
+        this.unexpected(awaitAt);
+      }
+
+      return this.parseFor(node, null);
+    }
+
+    var isLet = this.isLet();
+
+    if (this.type === types._var || this.type === types._const || isLet) {
+      var init$1 = this.startNode(),
+          kind = isLet ? "let" : this.value;
+      this.next();
+      this.parseVar(init$1, true, kind);
+      this.finishNode(init$1, "VariableDeclaration");
+
+      if ((this.type === types._in || this.options.ecmaVersion >= 6 && this.isContextual("of")) && init$1.declarations.length === 1) {
+        if (this.options.ecmaVersion >= 9) {
+          if (this.type === types._in) {
+            if (awaitAt > -1) {
+              this.unexpected(awaitAt);
+            }
+          } else {
+            node.await = awaitAt > -1;
+          }
+        }
+
+        return this.parseForIn(node, init$1);
+      }
+
+      if (awaitAt > -1) {
+        this.unexpected(awaitAt);
+      }
+
+      return this.parseFor(node, init$1);
+    }
+
+    var refDestructuringErrors = new DestructuringErrors();
+    var init = this.parseExpression(true, refDestructuringErrors);
+
+    if (this.type === types._in || this.options.ecmaVersion >= 6 && this.isContextual("of")) {
+      if (this.options.ecmaVersion >= 9) {
+        if (this.type === types._in) {
+          if (awaitAt > -1) {
+            this.unexpected(awaitAt);
+          }
+        } else {
+          node.await = awaitAt > -1;
+        }
+      }
+
+      this.toAssignable(init, false, refDestructuringErrors);
+      this.checkLVal(init);
+      return this.parseForIn(node, init);
+    } else {
+      this.checkExpressionErrors(refDestructuringErrors, true);
+    }
+
+    if (awaitAt > -1) {
+      this.unexpected(awaitAt);
+    }
+
+    return this.parseFor(node, init);
+  };
+
+  pp$1.parseFunctionStatement = function (node, isAsync, declarationPosition) {
+    this.next();
+    return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync);
+  };
+
+  pp$1.parseIfStatement = function (node) {
+    this.next();
+    node.test = this.parseParenExpression(); // allow function declarations in branches, but only in non-strict mode
+
+    node.consequent = this.parseStatement("if");
+    node.alternate = this.eat(types._else) ? this.parseStatement("if") : null;
+    return this.finishNode(node, "IfStatement");
+  };
+
+  pp$1.parseReturnStatement = function (node) {
+    if (!this.inFunction && !this.options.allowReturnOutsideFunction) {
+      this.raise(this.start, "'return' outside of function");
+    }
+
+    this.next(); // In `return` (and `break`/`continue`), the keywords with
+    // optional arguments, we eagerly look for a semicolon or the
+    // possibility to insert one.
+
+    if (this.eat(types.semi) || this.insertSemicolon()) {
+      node.argument = null;
+    } else {
+      node.argument = this.parseExpression();
+      this.semicolon();
+    }
+
+    return this.finishNode(node, "ReturnStatement");
+  };
+
+  pp$1.parseSwitchStatement = function (node) {
+    this.next();
+    node.discriminant = this.parseParenExpression();
+    node.cases = [];
+    this.expect(types.braceL);
+    this.labels.push(switchLabel);
+    this.enterScope(0); // Statements under must be grouped (by label) in SwitchCase
+    // nodes. `cur` is used to keep the node that we are currently
+    // adding statements to.
+
+    var cur;
+
+    for (var sawDefault = false; this.type !== types.braceR;) {
+      if (this.type === types._case || this.type === types._default) {
+        var isCase = this.type === types._case;
+
+        if (cur) {
+          this.finishNode(cur, "SwitchCase");
+        }
+
+        node.cases.push(cur = this.startNode());
+        cur.consequent = [];
+        this.next();
+
+        if (isCase) {
+          cur.test = this.parseExpression();
+        } else {
+          if (sawDefault) {
+            this.raiseRecoverable(this.lastTokStart, "Multiple default clauses");
+          }
+
+          sawDefault = true;
+          cur.test = null;
+        }
+
+        this.expect(types.colon);
+      } else {
+        if (!cur) {
+          this.unexpected();
+        }
+
+        cur.consequent.push(this.parseStatement(null));
+      }
+    }
+
+    this.exitScope();
+
+    if (cur) {
+      this.finishNode(cur, "SwitchCase");
+    }
+
+    this.next(); // Closing brace
+
+    this.labels.pop();
+    return this.finishNode(node, "SwitchStatement");
+  };
+
+  pp$1.parseThrowStatement = function (node) {
+    this.next();
+
+    if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) {
+      this.raise(this.lastTokEnd, "Illegal newline after throw");
+    }
+
+    node.argument = this.parseExpression();
+    this.semicolon();
+    return this.finishNode(node, "ThrowStatement");
+  }; // Reused empty array added for node fields that are always empty.
+
+
+  var empty = [];
+
+  pp$1.parseTryStatement = function (node) {
+    this.next();
+    node.block = this.parseBlock();
+    node.handler = null;
+
+    if (this.type === types._catch) {
+      var clause = this.startNode();
+      this.next();
+
+      if (this.eat(types.parenL)) {
+        clause.param = this.parseBindingAtom();
+        var simple = clause.param.type === "Identifier";
+        this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0);
+        this.checkLVal(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL);
+        this.expect(types.parenR);
+      } else {
+        if (this.options.ecmaVersion < 10) {
+          this.unexpected();
+        }
+
+        clause.param = null;
+        this.enterScope(0);
+      }
+
+      clause.body = this.parseBlock(false);
+      this.exitScope();
+      node.handler = this.finishNode(clause, "CatchClause");
+    }
+
+    node.finalizer = this.eat(types._finally) ? this.parseBlock() : null;
+
+    if (!node.handler && !node.finalizer) {
+      this.raise(node.start, "Missing catch or finally clause");
+    }
+
+    return this.finishNode(node, "TryStatement");
+  };
+
+  pp$1.parseVarStatement = function (node, kind) {
+    this.next();
+    this.parseVar(node, false, kind);
+    this.semicolon();
+    return this.finishNode(node, "VariableDeclaration");
+  };
+
+  pp$1.parseWhileStatement = function (node) {
+    this.next();
+    node.test = this.parseParenExpression();
+    this.labels.push(loopLabel);
+    node.body = this.parseStatement("while");
+    this.labels.pop();
+    return this.finishNode(node, "WhileStatement");
+  };
+
+  pp$1.parseWithStatement = function (node) {
+    if (this.strict) {
+      this.raise(this.start, "'with' in strict mode");
+    }
+
+    this.next();
+    node.object = this.parseParenExpression();
+    node.body = this.parseStatement("with");
+    return this.finishNode(node, "WithStatement");
+  };
+
+  pp$1.parseEmptyStatement = function (node) {
+    this.next();
+    return this.finishNode(node, "EmptyStatement");
+  };
+
+  pp$1.parseLabeledStatement = function (node, maybeName, expr, context) {
+    for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) {
+      var label = list[i$1];
+
+      if (label.name === maybeName) {
+        this.raise(expr.start, "Label '" + maybeName + "' is already declared");
+      }
+    }
+
+    var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null;
+
+    for (var i = this.labels.length - 1; i >= 0; i--) {
+      var label$1 = this.labels[i];
+
+      if (label$1.statementStart === node.start) {
+        // Update information about previous labels on this node
+        label$1.statementStart = this.start;
+        label$1.kind = kind;
+      } else {
+        break;
+      }
+    }
+
+    this.labels.push({
+      name: maybeName,
+      kind: kind,
+      statementStart: this.start
+    });
+    node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label");
+    this.labels.pop();
+    node.label = expr;
+    return this.finishNode(node, "LabeledStatement");
+  };
+
+  pp$1.parseExpressionStatement = function (node, expr) {
+    node.expression = expr;
+    this.semicolon();
+    return this.finishNode(node, "ExpressionStatement");
+  }; // Parse a semicolon-enclosed block of statements, handling `"use
+  // strict"` declarations when `allowStrict` is true (used for
+  // function bodies).
+
+
+  pp$1.parseBlock = function (createNewLexicalScope, node) {
+    if (createNewLexicalScope === void 0) createNewLexicalScope = true;
+    if (node === void 0) node = this.startNode();
+    node.body = [];
+    this.expect(types.braceL);
+
+    if (createNewLexicalScope) {
+      this.enterScope(0);
+    }
+
+    while (!this.eat(types.braceR)) {
+      var stmt = this.parseStatement(null);
+      node.body.push(stmt);
+    }
+
+    if (createNewLexicalScope) {
+      this.exitScope();
+    }
+
+    return this.finishNode(node, "BlockStatement");
+  }; // Parse a regular `for` loop. The disambiguation code in
+  // `parseStatement` will already have parsed the init statement or
+  // expression.
+
+
+  pp$1.parseFor = function (node, init) {
+    node.init = init;
+    this.expect(types.semi);
+    node.test = this.type === types.semi ? null : this.parseExpression();
+    this.expect(types.semi);
+    node.update = this.type === types.parenR ? null : this.parseExpression();
+    this.expect(types.parenR);
+    node.body = this.parseStatement("for");
+    this.exitScope();
+    this.labels.pop();
+    return this.finishNode(node, "ForStatement");
+  }; // Parse a `for`/`in` and `for`/`of` loop, which are almost
+  // same from parser's perspective.
+
+
+  pp$1.parseForIn = function (node, init) {
+    var isForIn = this.type === types._in;
+    this.next();
+
+    if (init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || this.options.ecmaVersion < 8 || this.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier")) {
+      this.raise(init.start, (isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer");
+    } else if (init.type === "AssignmentPattern") {
+      this.raise(init.start, "Invalid left-hand side in for-loop");
+    }
+
+    node.left = init;
+    node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign();
+    this.expect(types.parenR);
+    node.body = this.parseStatement("for");
+    this.exitScope();
+    this.labels.pop();
+    return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement");
+  }; // Parse a list of variable declarations.
+
+
+  pp$1.parseVar = function (node, isFor, kind) {
+    node.declarations = [];
+    node.kind = kind;
+
+    for (;;) {
+      var decl = this.startNode();
+      this.parseVarId(decl, kind);
+
+      if (this.eat(types.eq)) {
+        decl.init = this.parseMaybeAssign(isFor);
+      } else if (kind === "const" && !(this.type === types._in || this.options.ecmaVersion >= 6 && this.isContextual("of"))) {
+        this.unexpected();
+      } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types._in || this.isContextual("of")))) {
+        this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value");
+      } else {
+        decl.init = null;
+      }
+
+      node.declarations.push(this.finishNode(decl, "VariableDeclarator"));
+
+      if (!this.eat(types.comma)) {
+        break;
+      }
+    }
+
+    return node;
+  };
+
+  pp$1.parseVarId = function (decl, kind) {
+    decl.id = this.parseBindingAtom();
+    this.checkLVal(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false);
+  };
+
+  var FUNC_STATEMENT = 1,
+      FUNC_HANGING_STATEMENT = 2,
+      FUNC_NULLABLE_ID = 4; // Parse a function declaration or literal (depending on the
+  // `statement & FUNC_STATEMENT`).
+  // Remove `allowExpressionBody` for 7.0.0, as it is only called with false
+
+  pp$1.parseFunction = function (node, statement, allowExpressionBody, isAsync) {
+    this.initFunction(node);
+
+    if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) {
+      if (this.type === types.star && statement & FUNC_HANGING_STATEMENT) {
+        this.unexpected();
+      }
+
+      node.generator = this.eat(types.star);
+    }
+
+    if (this.options.ecmaVersion >= 8) {
+      node.async = !!isAsync;
+    }
+
+    if (statement & FUNC_STATEMENT) {
+      node.id = statement & FUNC_NULLABLE_ID && this.type !== types.name ? null : this.parseIdent();
+
+      if (node.id && !(statement & FUNC_HANGING_STATEMENT)) // If it is a regular function declaration in sloppy mode, then it is
+        // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding
+        // mode depends on properties of the current scope (see
+        // treatFunctionsAsVar).
+        {
+          this.checkLVal(node.id, this.strict || node.generator || node.async ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION);
+        }
+    }
+
+    var oldYieldPos = this.yieldPos,
+        oldAwaitPos = this.awaitPos,
+        oldAwaitIdentPos = this.awaitIdentPos;
+    this.yieldPos = 0;
+    this.awaitPos = 0;
+    this.awaitIdentPos = 0;
+    this.enterScope(functionFlags(node.async, node.generator));
+
+    if (!(statement & FUNC_STATEMENT)) {
+      node.id = this.type === types.name ? this.parseIdent() : null;
+    }
+
+    this.parseFunctionParams(node);
+    this.parseFunctionBody(node, allowExpressionBody, false);
+    this.yieldPos = oldYieldPos;
+    this.awaitPos = oldAwaitPos;
+    this.awaitIdentPos = oldAwaitIdentPos;
+    return this.finishNode(node, statement & FUNC_STATEMENT ? "FunctionDeclaration" : "FunctionExpression");
+  };
+
+  pp$1.parseFunctionParams = function (node) {
+    this.expect(types.parenL);
+    node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);
+    this.checkYieldAwaitInDefaultParams();
+  }; // Parse a class declaration or literal (depending on the
+  // `isStatement` parameter).
+
+
+  pp$1.parseClass = function (node, isStatement) {
+    this.next(); // ecma-262 14.6 Class Definitions
+    // A class definition is always strict mode code.
+
+    var oldStrict = this.strict;
+    this.strict = true;
+    this.parseClassId(node, isStatement);
+    this.parseClassSuper(node);
+    var classBody = this.startNode();
+    var hadConstructor = false;
+    classBody.body = [];
+    this.expect(types.braceL);
+
+    while (!this.eat(types.braceR)) {
+      var element = this.parseClassElement(node.superClass !== null);
+
+      if (element) {
+        classBody.body.push(element);
+
+        if (element.type === "MethodDefinition" && element.kind === "constructor") {
+          if (hadConstructor) {
+            this.raise(element.start, "Duplicate constructor in the same class");
+          }
+
+          hadConstructor = true;
+        }
+      }
+    }
+
+    node.body = this.finishNode(classBody, "ClassBody");
+    this.strict = oldStrict;
+    return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression");
+  };
+
+  pp$1.parseClassElement = function (constructorAllowsSuper) {
+    var this$1 = this;
+
+    if (this.eat(types.semi)) {
+      return null;
+    }
+
+    var method = this.startNode();
+
+    var tryContextual = function tryContextual(k, noLineBreak) {
+      if (noLineBreak === void 0) noLineBreak = false;
+      var start = this$1.start,
+          startLoc = this$1.startLoc;
+
+      if (!this$1.eatContextual(k)) {
+        return false;
+      }
+
+      if (this$1.type !== types.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) {
+        return true;
+      }
+
+      if (method.key) {
+        this$1.unexpected();
+      }
+
+      method.computed = false;
+      method.key = this$1.startNodeAt(start, startLoc);
+      method.key.name = k;
+      this$1.finishNode(method.key, "Identifier");
+      return false;
+    };
+
+    method.kind = "method";
+    method.static = tryContextual("static");
+    var isGenerator = this.eat(types.star);
+    var isAsync = false;
+
+    if (!isGenerator) {
+      if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) {
+        isAsync = true;
+        isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);
+      } else if (tryContextual("get")) {
+        method.kind = "get";
+      } else if (tryContextual("set")) {
+        method.kind = "set";
+      }
+    }
+
+    if (!method.key) {
+      this.parsePropertyName(method);
+    }
+
+    var key = method.key;
+    var allowsDirectSuper = false;
+
+    if (!method.computed && !method.static && (key.type === "Identifier" && key.name === "constructor" || key.type === "Literal" && key.value === "constructor")) {
+      if (method.kind !== "method") {
+        this.raise(key.start, "Constructor can't have get/set modifier");
+      }
+
+      if (isGenerator) {
+        this.raise(key.start, "Constructor can't be a generator");
+      }
+
+      if (isAsync) {
+        this.raise(key.start, "Constructor can't be an async method");
+      }
+
+      method.kind = "constructor";
+      allowsDirectSuper = constructorAllowsSuper;
+    } else if (method.static && key.type === "Identifier" && key.name === "prototype") {
+      this.raise(key.start, "Classes may not have a static property named prototype");
+    }
+
+    this.parseClassMethod(method, isGenerator, isAsync, allowsDirectSuper);
+
+    if (method.kind === "get" && method.value.params.length !== 0) {
+      this.raiseRecoverable(method.value.start, "getter should have no params");
+    }
+
+    if (method.kind === "set" && method.value.params.length !== 1) {
+      this.raiseRecoverable(method.value.start, "setter should have exactly one param");
+    }
+
+    if (method.kind === "set" && method.value.params[0].type === "RestElement") {
+      this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params");
+    }
+
+    return method;
+  };
+
+  pp$1.parseClassMethod = function (method, isGenerator, isAsync, allowsDirectSuper) {
+    method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper);
+    return this.finishNode(method, "MethodDefinition");
+  };
+
+  pp$1.parseClassId = function (node, isStatement) {
+    if (this.type === types.name) {
+      node.id = this.parseIdent();
+
+      if (isStatement) {
+        this.checkLVal(node.id, BIND_LEXICAL, false);
+      }
+    } else {
+      if (isStatement === true) {
+        this.unexpected();
+      }
+
+      node.id = null;
+    }
+  };
+
+  pp$1.parseClassSuper = function (node) {
+    node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null;
+  }; // Parses module export declaration.
+
+
+  pp$1.parseExport = function (node, exports) {
+    this.next(); // export * from '...'
+
+    if (this.eat(types.star)) {
+      this.expectContextual("from");
+
+      if (this.type !== types.string) {
+        this.unexpected();
+      }
+
+      node.source = this.parseExprAtom();
+      this.semicolon();
+      return this.finishNode(node, "ExportAllDeclaration");
+    }
+
+    if (this.eat(types._default)) {
+      // export default ...
+      this.checkExport(exports, "default", this.lastTokStart);
+      var isAsync;
+
+      if (this.type === types._function || (isAsync = this.isAsyncFunction())) {
+        var fNode = this.startNode();
+        this.next();
+
+        if (isAsync) {
+          this.next();
+        }
+
+        node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync);
+      } else if (this.type === types._class) {
+        var cNode = this.startNode();
+        node.declaration = this.parseClass(cNode, "nullableID");
+      } else {
+        node.declaration = this.parseMaybeAssign();
+        this.semicolon();
+      }
+
+      return this.finishNode(node, "ExportDefaultDeclaration");
+    } // export var|const|let|function|class ...
+
+
+    if (this.shouldParseExportStatement()) {
+      node.declaration = this.parseStatement(null);
+
+      if (node.declaration.type === "VariableDeclaration") {
+        this.checkVariableExport(exports, node.declaration.declarations);
+      } else {
+        this.checkExport(exports, node.declaration.id.name, node.declaration.id.start);
+      }
+
+      node.specifiers = [];
+      node.source = null;
+    } else {
+      // export { x, y as z } [from '...']
+      node.declaration = null;
+      node.specifiers = this.parseExportSpecifiers(exports);
+
+      if (this.eatContextual("from")) {
+        if (this.type !== types.string) {
+          this.unexpected();
+        }
+
+        node.source = this.parseExprAtom();
+      } else {
+        for (var i = 0, list = node.specifiers; i < list.length; i += 1) {
+          // check for keywords used as local names
+          var spec = list[i];
+          this.checkUnreserved(spec.local); // check if export is defined
+
+          this.checkLocalExport(spec.local);
+        }
+
+        node.source = null;
+      }
+
+      this.semicolon();
+    }
+
+    return this.finishNode(node, "ExportNamedDeclaration");
+  };
+
+  pp$1.checkExport = function (exports, name, pos) {
+    if (!exports) {
+      return;
+    }
+
+    if (has(exports, name)) {
+      this.raiseRecoverable(pos, "Duplicate export '" + name + "'");
+    }
+
+    exports[name] = true;
+  };
+
+  pp$1.checkPatternExport = function (exports, pat) {
+    var type = pat.type;
+
+    if (type === "Identifier") {
+      this.checkExport(exports, pat.name, pat.start);
+    } else if (type === "ObjectPattern") {
+      for (var i = 0, list = pat.properties; i < list.length; i += 1) {
+        var prop = list[i];
+        this.checkPatternExport(exports, prop);
+      }
+    } else if (type === "ArrayPattern") {
+      for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) {
+        var elt = list$1[i$1];
+
+        if (elt) {
+          this.checkPatternExport(exports, elt);
+        }
+      }
+    } else if (type === "Property") {
+      this.checkPatternExport(exports, pat.value);
+    } else if (type === "AssignmentPattern") {
+      this.checkPatternExport(exports, pat.left);
+    } else if (type === "RestElement") {
+      this.checkPatternExport(exports, pat.argument);
+    } else if (type === "ParenthesizedExpression") {
+      this.checkPatternExport(exports, pat.expression);
+    }
+  };
+
+  pp$1.checkVariableExport = function (exports, decls) {
+    if (!exports) {
+      return;
+    }
+
+    for (var i = 0, list = decls; i < list.length; i += 1) {
+      var decl = list[i];
+      this.checkPatternExport(exports, decl.id);
+    }
+  };
+
+  pp$1.shouldParseExportStatement = function () {
+    return this.type.keyword === "var" || this.type.keyword === "const" || this.type.keyword === "class" || this.type.keyword === "function" || this.isLet() || this.isAsyncFunction();
+  }; // Parses a comma-separated list of module exports.
+
+
+  pp$1.parseExportSpecifiers = function (exports) {
+    var nodes = [],
+        first = true; // export { x, y as z } [from '...']
+
+    this.expect(types.braceL);
+
+    while (!this.eat(types.braceR)) {
+      if (!first) {
+        this.expect(types.comma);
+
+        if (this.afterTrailingComma(types.braceR)) {
+          break;
+        }
+      } else {
+        first = false;
+      }
+
+      var node = this.startNode();
+      node.local = this.parseIdent(true);
+      node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local;
+      this.checkExport(exports, node.exported.name, node.exported.start);
+      nodes.push(this.finishNode(node, "ExportSpecifier"));
+    }
+
+    return nodes;
+  }; // Parses import declaration.
+
+
+  pp$1.parseImport = function (node) {
+    this.next(); // import '...'
+
+    if (this.type === types.string) {
+      node.specifiers = empty;
+      node.source = this.parseExprAtom();
+    } else {
+      node.specifiers = this.parseImportSpecifiers();
+      this.expectContextual("from");
+      node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected();
+    }
+
+    this.semicolon();
+    return this.finishNode(node, "ImportDeclaration");
+  }; // Parses a comma-separated list of module imports.
+
+
+  pp$1.parseImportSpecifiers = function () {
+    var nodes = [],
+        first = true;
+
+    if (this.type === types.name) {
+      // import defaultObj, { x, y as z } from '...'
+      var node = this.startNode();
+      node.local = this.parseIdent();
+      this.checkLVal(node.local, BIND_LEXICAL);
+      nodes.push(this.finishNode(node, "ImportDefaultSpecifier"));
+
+      if (!this.eat(types.comma)) {
+        return nodes;
+      }
+    }
+
+    if (this.type === types.star) {
+      var node$1 = this.startNode();
+      this.next();
+      this.expectContextual("as");
+      node$1.local = this.parseIdent();
+      this.checkLVal(node$1.local, BIND_LEXICAL);
+      nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier"));
+      return nodes;
+    }
+
+    this.expect(types.braceL);
+
+    while (!this.eat(types.braceR)) {
+      if (!first) {
+        this.expect(types.comma);
+
+        if (this.afterTrailingComma(types.braceR)) {
+          break;
+        }
+      } else {
+        first = false;
+      }
+
+      var node$2 = this.startNode();
+      node$2.imported = this.parseIdent(true);
+
+      if (this.eatContextual("as")) {
+        node$2.local = this.parseIdent();
+      } else {
+        this.checkUnreserved(node$2.imported);
+        node$2.local = node$2.imported;
+      }
+
+      this.checkLVal(node$2.local, BIND_LEXICAL);
+      nodes.push(this.finishNode(node$2, "ImportSpecifier"));
+    }
+
+    return nodes;
+  }; // Set `ExpressionStatement#directive` property for directive prologues.
+
+
+  pp$1.adaptDirectivePrologue = function (statements) {
+    for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) {
+      statements[i].directive = statements[i].expression.raw.slice(1, -1);
+    }
+  };
+
+  pp$1.isDirectiveCandidate = function (statement) {
+    return statement.type === "ExpressionStatement" && statement.expression.type === "Literal" && typeof statement.expression.value === "string" && ( // Reject parenthesized strings.
+    this.input[statement.start] === "\"" || this.input[statement.start] === "'");
+  };
+
+  var pp$2 = Parser.prototype; // Convert existing expression atom to assignable pattern
+  // if possible.
+
+  pp$2.toAssignable = function (node, isBinding, refDestructuringErrors) {
+    if (this.options.ecmaVersion >= 6 && node) {
+      switch (node.type) {
+        case "Identifier":
+          if (this.inAsync && node.name === "await") {
+            this.raise(node.start, "Cannot use 'await' as identifier inside an async function");
+          }
+
+          break;
+
+        case "ObjectPattern":
+        case "ArrayPattern":
+        case "RestElement":
+          break;
+
+        case "ObjectExpression":
+          node.type = "ObjectPattern";
+
+          if (refDestructuringErrors) {
+            this.checkPatternErrors(refDestructuringErrors, true);
+          }
+
+          for (var i = 0, list = node.properties; i < list.length; i += 1) {
+            var prop = list[i];
+            this.toAssignable(prop, isBinding); // Early error:
+            //   AssignmentRestProperty[Yield, Await] :
+            //     `...` DestructuringAssignmentTarget[Yield, Await]
+            //
+            //   It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|.
+
+            if (prop.type === "RestElement" && (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern")) {
+              this.raise(prop.argument.start, "Unexpected token");
+            }
+          }
+
+          break;
+
+        case "Property":
+          // AssignmentProperty has type === "Property"
+          if (node.kind !== "init") {
+            this.raise(node.key.start, "Object pattern can't contain getter or setter");
+          }
+
+          this.toAssignable(node.value, isBinding);
+          break;
+
+        case "ArrayExpression":
+          node.type = "ArrayPattern";
+
+          if (refDestructuringErrors) {
+            this.checkPatternErrors(refDestructuringErrors, true);
+          }
+
+          this.toAssignableList(node.elements, isBinding);
+          break;
+
+        case "SpreadElement":
+          node.type = "RestElement";
+          this.toAssignable(node.argument, isBinding);
+
+          if (node.argument.type === "AssignmentPattern") {
+            this.raise(node.argument.start, "Rest elements cannot have a default value");
+          }
+
+          break;
+
+        case "AssignmentExpression":
+          if (node.operator !== "=") {
+            this.raise(node.left.end, "Only '=' operator can be used for specifying default value.");
+          }
+
+          node.type = "AssignmentPattern";
+          delete node.operator;
+          this.toAssignable(node.left, isBinding);
+        // falls through to AssignmentPattern
+
+        case "AssignmentPattern":
+          break;
+
+        case "ParenthesizedExpression":
+          this.toAssignable(node.expression, isBinding, refDestructuringErrors);
+          break;
+
+        case "MemberExpression":
+          if (!isBinding) {
+            break;
+          }
+
+        default:
+          this.raise(node.start, "Assigning to rvalue");
+      }
+    } else if (refDestructuringErrors) {
+      this.checkPatternErrors(refDestructuringErrors, true);
+    }
+
+    return node;
+  }; // Convert list of expression atoms to binding list.
+
+
+  pp$2.toAssignableList = function (exprList, isBinding) {
+    var end = exprList.length;
+
+    for (var i = 0; i < end; i++) {
+      var elt = exprList[i];
+
+      if (elt) {
+        this.toAssignable(elt, isBinding);
+      }
+    }
+
+    if (end) {
+      var last = exprList[end - 1];
+
+      if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") {
+        this.unexpected(last.argument.start);
+      }
+    }
+
+    return exprList;
+  }; // Parses spread element.
+
+
+  pp$2.parseSpread = function (refDestructuringErrors) {
+    var node = this.startNode();
+    this.next();
+    node.argument = this.parseMaybeAssign(false, refDestructuringErrors);
+    return this.finishNode(node, "SpreadElement");
+  };
+
+  pp$2.parseRestBinding = function () {
+    var node = this.startNode();
+    this.next(); // RestElement inside of a function parameter must be an identifier
+
+    if (this.options.ecmaVersion === 6 && this.type !== types.name) {
+      this.unexpected();
+    }
+
+    node.argument = this.parseBindingAtom();
+    return this.finishNode(node, "RestElement");
+  }; // Parses lvalue (assignable) atom.
+
+
+  pp$2.parseBindingAtom = function () {
+    if (this.options.ecmaVersion >= 6) {
+      switch (this.type) {
+        case types.bracketL:
+          var node = this.startNode();
+          this.next();
+          node.elements = this.parseBindingList(types.bracketR, true, true);
+          return this.finishNode(node, "ArrayPattern");
+
+        case types.braceL:
+          return this.parseObj(true);
+      }
+    }
+
+    return this.parseIdent();
+  };
+
+  pp$2.parseBindingList = function (close, allowEmpty, allowTrailingComma) {
+    var elts = [],
+        first = true;
+
+    while (!this.eat(close)) {
+      if (first) {
+        first = false;
+      } else {
+        this.expect(types.comma);
+      }
+
+      if (allowEmpty && this.type === types.comma) {
+        elts.push(null);
+      } else if (allowTrailingComma && this.afterTrailingComma(close)) {
+        break;
+      } else if (this.type === types.ellipsis) {
+        var rest = this.parseRestBinding();
+        this.parseBindingListItem(rest);
+        elts.push(rest);
+
+        if (this.type === types.comma) {
+          this.raise(this.start, "Comma is not permitted after the rest element");
+        }
+
+        this.expect(close);
+        break;
+      } else {
+        var elem = this.parseMaybeDefault(this.start, this.startLoc);
+        this.parseBindingListItem(elem);
+        elts.push(elem);
+      }
+    }
+
+    return elts;
+  };
+
+  pp$2.parseBindingListItem = function (param) {
+    return param;
+  }; // Parses assignment pattern around given atom if possible.
+
+
+  pp$2.parseMaybeDefault = function (startPos, startLoc, left) {
+    left = left || this.parseBindingAtom();
+
+    if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) {
+      return left;
+    }
+
+    var node = this.startNodeAt(startPos, startLoc);
+    node.left = left;
+    node.right = this.parseMaybeAssign();
+    return this.finishNode(node, "AssignmentPattern");
+  }; // Verify that a node is an lval — something that can be assigned
+  // to.
+  // bindingType can be either:
+  // 'var' indicating that the lval creates a 'var' binding
+  // 'let' indicating that the lval creates a lexical ('let' or 'const') binding
+  // 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references
+
+
+  pp$2.checkLVal = function (expr, bindingType, checkClashes) {
+    if (bindingType === void 0) bindingType = BIND_NONE;
+
+    switch (expr.type) {
+      case "Identifier":
+        if (bindingType === BIND_LEXICAL && expr.name === "let") {
+          this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name");
+        }
+
+        if (this.strict && this.reservedWordsStrictBind.test(expr.name)) {
+          this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode");
+        }
+
+        if (checkClashes) {
+          if (has(checkClashes, expr.name)) {
+            this.raiseRecoverable(expr.start, "Argument name clash");
+          }
+
+          checkClashes[expr.name] = true;
+        }
+
+        if (bindingType !== BIND_NONE && bindingType !== BIND_OUTSIDE) {
+          this.declareName(expr.name, bindingType, expr.start);
+        }
+
+        break;
+
+      case "MemberExpression":
+        if (bindingType) {
+          this.raiseRecoverable(expr.start, "Binding member expression");
+        }
+
+        break;
+
+      case "ObjectPattern":
+        for (var i = 0, list = expr.properties; i < list.length; i += 1) {
+          var prop = list[i];
+          this.checkLVal(prop, bindingType, checkClashes);
+        }
+
+        break;
+
+      case "Property":
+        // AssignmentProperty has type === "Property"
+        this.checkLVal(expr.value, bindingType, checkClashes);
+        break;
+
+      case "ArrayPattern":
+        for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) {
+          var elem = list$1[i$1];
+
+          if (elem) {
+            this.checkLVal(elem, bindingType, checkClashes);
+          }
+        }
+
+        break;
+
+      case "AssignmentPattern":
+        this.checkLVal(expr.left, bindingType, checkClashes);
+        break;
+
+      case "RestElement":
+        this.checkLVal(expr.argument, bindingType, checkClashes);
+        break;
+
+      case "ParenthesizedExpression":
+        this.checkLVal(expr.expression, bindingType, checkClashes);
+        break;
+
+      default:
+        this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue");
+    }
+  }; // A recursive descent parser operates by defining functions for all
+
+
+  var pp$3 = Parser.prototype; // Check if property name clashes with already added.
+  // Object/class getters and setters are not allowed to clash —
+  // either with each other or with an init property — and in
+  // strict mode, init properties are also not allowed to be repeated.
+
+  pp$3.checkPropClash = function (prop, propHash, refDestructuringErrors) {
+    if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") {
+      return;
+    }
+
+    if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) {
+      return;
+    }
+
+    var key = prop.key;
+    var name;
+
+    switch (key.type) {
+      case "Identifier":
+        name = key.name;
+        break;
+
+      case "Literal":
+        name = String(key.value);
+        break;
+
+      default:
+        return;
+    }
+
+    var kind = prop.kind;
+
+    if (this.options.ecmaVersion >= 6) {
+      if (name === "__proto__" && kind === "init") {
+        if (propHash.proto) {
+          if (refDestructuringErrors) {
+            if (refDestructuringErrors.doubleProto < 0) {
+              refDestructuringErrors.doubleProto = key.start;
+            } // Backwards-compat kludge. Can be removed in version 6.0
+
+          } else {
+            this.raiseRecoverable(key.start, "Redefinition of __proto__ property");
+          }
+        }
+
+        propHash.proto = true;
+      }
+
+      return;
+    }
+
+    name = "$" + name;
+    var other = propHash[name];
+
+    if (other) {
+      var redefinition;
+
+      if (kind === "init") {
+        redefinition = this.strict && other.init || other.get || other.set;
+      } else {
+        redefinition = other.init || other[kind];
+      }
+
+      if (redefinition) {
+        this.raiseRecoverable(key.start, "Redefinition of property");
+      }
+    } else {
+      other = propHash[name] = {
+        init: false,
+        get: false,
+        set: false
+      };
+    }
+
+    other[kind] = true;
+  }; // ### Expression parsing
+  // These nest, from the most general expression type at the top to
+  // 'atomic', nondivisible expression types at the bottom. Most of
+  // the functions will simply let the function(s) below them parse,
+  // and, *if* the syntactic construct they handle is present, wrap
+  // the AST node that the inner parser gave them in another node.
+  // Parse a full expression. The optional arguments are used to
+  // forbid the `in` operator (in for loops initalization expressions)
+  // and provide reference for storing '=' operator inside shorthand
+  // property assignment in contexts where both object expression
+  // and object pattern might appear (so it's possible to raise
+  // delayed syntax error at correct position).
+
+
+  pp$3.parseExpression = function (noIn, refDestructuringErrors) {
+    var startPos = this.start,
+        startLoc = this.startLoc;
+    var expr = this.parseMaybeAssign(noIn, refDestructuringErrors);
+
+    if (this.type === types.comma) {
+      var node = this.startNodeAt(startPos, startLoc);
+      node.expressions = [expr];
+
+      while (this.eat(types.comma)) {
+        node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors));
+      }
+
+      return this.finishNode(node, "SequenceExpression");
+    }
+
+    return expr;
+  }; // Parse an assignment expression. This includes applications of
+  // operators like `+=`.
+
+
+  pp$3.parseMaybeAssign = function (noIn, refDestructuringErrors, afterLeftParse) {
+    if (this.isContextual("yield")) {
+      if (this.inGenerator) {
+        return this.parseYield(noIn);
+      } // The tokenizer will assume an expression is allowed after
+      // `yield`, but this isn't that kind of yield
+      else {
+          this.exprAllowed = false;
+        }
+    }
+
+    var ownDestructuringErrors = false,
+        oldParenAssign = -1,
+        oldTrailingComma = -1;
+
+    if (refDestructuringErrors) {
+      oldParenAssign = refDestructuringErrors.parenthesizedAssign;
+      oldTrailingComma = refDestructuringErrors.trailingComma;
+      refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1;
+    } else {
+      refDestructuringErrors = new DestructuringErrors();
+      ownDestructuringErrors = true;
+    }
+
+    var startPos = this.start,
+        startLoc = this.startLoc;
+
+    if (this.type === types.parenL || this.type === types.name) {
+      this.potentialArrowAt = this.start;
+    }
+
+    var left = this.parseMaybeConditional(noIn, refDestructuringErrors);
+
+    if (afterLeftParse) {
+      left = afterLeftParse.call(this, left, startPos, startLoc);
+    }
+
+    if (this.type.isAssign) {
+      var node = this.startNodeAt(startPos, startLoc);
+      node.operator = this.value;
+      node.left = this.type === types.eq ? this.toAssignable(left, false, refDestructuringErrors) : left;
+
+      if (!ownDestructuringErrors) {
+        refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1;
+      }
+
+      if (refDestructuringErrors.shorthandAssign >= node.left.start) {
+        refDestructuringErrors.shorthandAssign = -1;
+      } // reset because shorthand default was used correctly
+
+
+      this.checkLVal(left);
+      this.next();
+      node.right = this.parseMaybeAssign(noIn);
+      return this.finishNode(node, "AssignmentExpression");
+    } else {
+      if (ownDestructuringErrors) {
+        this.checkExpressionErrors(refDestructuringErrors, true);
+      }
+    }
+
+    if (oldParenAssign > -1) {
+      refDestructuringErrors.parenthesizedAssign = oldParenAssign;
+    }
+
+    if (oldTrailingComma > -1) {
+      refDestructuringErrors.trailingComma = oldTrailingComma;
+    }
+
+    return left;
+  }; // Parse a ternary conditional (`?:`) operator.
+
+
+  pp$3.parseMaybeConditional = function (noIn, refDestructuringErrors) {
+    var startPos = this.start,
+        startLoc = this.startLoc;
+    var expr = this.parseExprOps(noIn, refDestructuringErrors);
+
+    if (this.checkExpressionErrors(refDestructuringErrors)) {
+      return expr;
+    }
+
+    if (this.eat(types.question)) {
+      var node = this.startNodeAt(startPos, startLoc);
+      node.test = expr;
+      node.consequent = this.parseMaybeAssign();
+      this.expect(types.colon);
+      node.alternate = this.parseMaybeAssign(noIn);
+      return this.finishNode(node, "ConditionalExpression");
+    }
+
+    return expr;
+  }; // Start the precedence parser.
+
+
+  pp$3.parseExprOps = function (noIn, refDestructuringErrors) {
+    var startPos = this.start,
+        startLoc = this.startLoc;
+    var expr = this.parseMaybeUnary(refDestructuringErrors, false);
+
+    if (this.checkExpressionErrors(refDestructuringErrors)) {
+      return expr;
+    }
+
+    return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn);
+  }; // Parse binary operators with the operator precedence parsing
+  // algorithm. `left` is the left-hand side of the operator.
+  // `minPrec` provides context that allows the function to stop and
+  // defer further parser to one of its callers when it encounters an
+  // operator that has a lower precedence than the set it is parsing.
+
+
+  pp$3.parseExprOp = function (left, leftStartPos, leftStartLoc, minPrec, noIn) {
+    var prec = this.type.binop;
+
+    if (prec != null && (!noIn || this.type !== types._in)) {
+      if (prec > minPrec) {
+        var logical = this.type === types.logicalOR || this.type === types.logicalAND;
+        var op = this.value;
+        this.next();
+        var startPos = this.start,
+            startLoc = this.startLoc;
+        var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn);
+        var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical);
+        return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn);
+      }
+    }
+
+    return left;
+  };
+
+  pp$3.buildBinary = function (startPos, startLoc, left, right, op, logical) {
+    var node = this.startNodeAt(startPos, startLoc);
+    node.left = left;
+    node.operator = op;
+    node.right = right;
+    return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression");
+  }; // Parse unary operators, both prefix and postfix.
+
+
+  pp$3.parseMaybeUnary = function (refDestructuringErrors, sawUnary) {
+    var startPos = this.start,
+        startLoc = this.startLoc,
+        expr;
+
+    if (this.isContextual("await") && (this.inAsync || !this.inFunction && this.options.allowAwaitOutsideFunction)) {
+      expr = this.parseAwait();
+      sawUnary = true;
+    } else if (this.type.prefix) {
+      var node = this.startNode(),
+          update = this.type === types.incDec;
+      node.operator = this.value;
+      node.prefix = true;
+      this.next();
+      node.argument = this.parseMaybeUnary(null, true);
+      this.checkExpressionErrors(refDestructuringErrors, true);
+
+      if (update) {
+        this.checkLVal(node.argument);
+      } else if (this.strict && node.operator === "delete" && node.argument.type === "Identifier") {
+        this.raiseRecoverable(node.start, "Deleting local variable in strict mode");
+      } else {
+        sawUnary = true;
+      }
+
+      expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
+    } else {
+      expr = this.parseExprSubscripts(refDestructuringErrors);
+
+      if (this.checkExpressionErrors(refDestructuringErrors)) {
+        return expr;
+      }
+
+      while (this.type.postfix && !this.canInsertSemicolon()) {
+        var node$1 = this.startNodeAt(startPos, startLoc);
+        node$1.operator = this.value;
+        node$1.prefix = false;
+        node$1.argument = expr;
+        this.checkLVal(expr);
+        this.next();
+        expr = this.finishNode(node$1, "UpdateExpression");
+      }
+    }
+
+    if (!sawUnary && this.eat(types.starstar)) {
+      return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false);
+    } else {
+      return expr;
+    }
+  }; // Parse call, dot, and `[]`-subscript expressions.
+
+
+  pp$3.parseExprSubscripts = function (refDestructuringErrors) {
+    var startPos = this.start,
+        startLoc = this.startLoc;
+    var expr = this.parseExprAtom(refDestructuringErrors);
+
+    if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") {
+      return expr;
+    }
+
+    var result = this.parseSubscripts(expr, startPos, startLoc);
+
+    if (refDestructuringErrors && result.type === "MemberExpression") {
+      if (refDestructuringErrors.parenthesizedAssign >= result.start) {
+        refDestructuringErrors.parenthesizedAssign = -1;
+      }
+
+      if (refDestructuringErrors.parenthesizedBind >= result.start) {
+        refDestructuringErrors.parenthesizedBind = -1;
+      }
+    }
+
+    return result;
+  };
+
+  pp$3.parseSubscripts = function (base, startPos, startLoc, noCalls) {
+    var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && this.lastTokEnd === base.end && !this.canInsertSemicolon() && this.input.slice(base.start, base.end) === "async";
+
+    while (true) {
+      var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow);
+
+      if (element === base || element.type === "ArrowFunctionExpression") {
+        return element;
+      }
+
+      base = element;
+    }
+  };
+
+  pp$3.parseSubscript = function (base, startPos, startLoc, noCalls, maybeAsyncArrow) {
+    var computed = this.eat(types.bracketL);
+
+    if (computed || this.eat(types.dot)) {
+      var node = this.startNodeAt(startPos, startLoc);
+      node.object = base;
+      node.property = computed ? this.parseExpression() : this.parseIdent(this.options.allowReserved !== "never");
+      node.computed = !!computed;
+
+      if (computed) {
+        this.expect(types.bracketR);
+      }
+
+      base = this.finishNode(node, "MemberExpression");
+    } else if (!noCalls && this.eat(types.parenL)) {
+      var refDestructuringErrors = new DestructuringErrors(),
+          oldYieldPos = this.yieldPos,
+          oldAwaitPos = this.awaitPos,
+          oldAwaitIdentPos = this.awaitIdentPos;
+      this.yieldPos = 0;
+      this.awaitPos = 0;
+      this.awaitIdentPos = 0;
+      var exprList = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors);
+
+      if (maybeAsyncArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) {
+        this.checkPatternErrors(refDestructuringErrors, false);
+        this.checkYieldAwaitInDefaultParams();
+
+        if (this.awaitIdentPos > 0) {
+          this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function");
+        }
+
+        this.yieldPos = oldYieldPos;
+        this.awaitPos = oldAwaitPos;
+        this.awaitIdentPos = oldAwaitIdentPos;
+        return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true);
+      }
+
+      this.checkExpressionErrors(refDestructuringErrors, true);
+      this.yieldPos = oldYieldPos || this.yieldPos;
+      this.awaitPos = oldAwaitPos || this.awaitPos;
+      this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos;
+      var node$1 = this.startNodeAt(startPos, startLoc);
+      node$1.callee = base;
+      node$1.arguments = exprList;
+      base = this.finishNode(node$1, "CallExpression");
+    } else if (this.type === types.backQuote) {
+      var node$2 = this.startNodeAt(startPos, startLoc);
+      node$2.tag = base;
+      node$2.quasi = this.parseTemplate({
+        isTagged: true
+      });
+      base = this.finishNode(node$2, "TaggedTemplateExpression");
+    }
+
+    return base;
+  }; // Parse an atomic expression — either a single token that is an
+  // expression, an expression started by a keyword like `function` or
+  // `new`, or an expression wrapped in punctuation like `()`, `[]`,
+  // or `{}`.
+
+
+  pp$3.parseExprAtom = function (refDestructuringErrors) {
+    // If a division operator appears in an expression position, the
+    // tokenizer got confused, and we force it to read a regexp instead.
+    if (this.type === types.slash) {
+      this.readRegexp();
+    }
+
+    var node,
+        canBeArrow = this.potentialArrowAt === this.start;
+
+    switch (this.type) {
+      case types._super:
+        if (!this.allowSuper) {
+          this.raise(this.start, "'super' keyword outside a method");
+        }
+
+        node = this.startNode();
+        this.next();
+
+        if (this.type === types.parenL && !this.allowDirectSuper) {
+          this.raise(node.start, "super() call outside constructor of a subclass");
+        } // The `super` keyword can appear at below:
+        // SuperProperty:
+        //     super [ Expression ]
+        //     super . IdentifierName
+        // SuperCall:
+        //     super ( Arguments )
+
+
+        if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL) {
+          this.unexpected();
+        }
+
+        return this.finishNode(node, "Super");
+
+      case types._this:
+        node = this.startNode();
+        this.next();
+        return this.finishNode(node, "ThisExpression");
+
+      case types.name:
+        var startPos = this.start,
+            startLoc = this.startLoc,
+            containsEsc = this.containsEsc;
+        var id = this.parseIdent(false);
+
+        if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function)) {
+          return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true);
+        }
+
+        if (canBeArrow && !this.canInsertSemicolon()) {
+          if (this.eat(types.arrow)) {
+            return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false);
+          }
+
+          if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name && !containsEsc) {
+            id = this.parseIdent(false);
+
+            if (this.canInsertSemicolon() || !this.eat(types.arrow)) {
+              this.unexpected();
+            }
+
+            return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true);
+          }
+        }
+
+        return id;
+
+      case types.regexp:
+        var value = this.value;
+        node = this.parseLiteral(value.value);
+        node.regex = {
+          pattern: value.pattern,
+          flags: value.flags
+        };
+        return node;
+
+      case types.num:
+      case types.string:
+        return this.parseLiteral(this.value);
+
+      case types._null:
+      case types._true:
+      case types._false:
+        node = this.startNode();
+        node.value = this.type === types._null ? null : this.type === types._true;
+        node.raw = this.type.keyword;
+        this.next();
+        return this.finishNode(node, "Literal");
+
+      case types.parenL:
+        var start = this.start,
+            expr = this.parseParenAndDistinguishExpression(canBeArrow);
+
+        if (refDestructuringErrors) {
+          if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) {
+            refDestructuringErrors.parenthesizedAssign = start;
+          }
+
+          if (refDestructuringErrors.parenthesizedBind < 0) {
+            refDestructuringErrors.parenthesizedBind = start;
+          }
+        }
+
+        return expr;
+
+      case types.bracketL:
+        node = this.startNode();
+        this.next();
+        node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors);
+        return this.finishNode(node, "ArrayExpression");
+
+      case types.braceL:
+        return this.parseObj(false, refDestructuringErrors);
+
+      case types._function:
+        node = this.startNode();
+        this.next();
+        return this.parseFunction(node, 0);
+
+      case types._class:
+        return this.parseClass(this.startNode(), false);
+
+      case types._new:
+        return this.parseNew();
+
+      case types.backQuote:
+        return this.parseTemplate();
+
+      case types._import:
+        if (this.options.ecmaVersion >= 11) {
+          return this.parseExprImport();
+        } else {
+          return this.unexpected();
+        }
+
+      default:
+        this.unexpected();
+    }
+  };
+
+  pp$3.parseExprImport = function () {
+    var node = this.startNode();
+    this.next(); // skip `import`
+
+    switch (this.type) {
+      case types.parenL:
+        return this.parseDynamicImport(node);
+
+      default:
+        this.unexpected();
+    }
+  };
+
+  pp$3.parseDynamicImport = function (node) {
+    this.next(); // skip `(`
+    // Parse node.source.
+
+    node.source = this.parseMaybeAssign(); // Verify ending.
+
+    if (!this.eat(types.parenR)) {
+      var errorPos = this.start;
+
+      if (this.eat(types.comma) && this.eat(types.parenR)) {
+        this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()");
+      } else {
+        this.unexpected(errorPos);
+      }
+    }
+
+    return this.finishNode(node, "ImportExpression");
+  };
+
+  pp$3.parseLiteral = function (value) {
+    var node = this.startNode();
+    node.value = value;
+    node.raw = this.input.slice(this.start, this.end);
+
+    if (node.raw.charCodeAt(node.raw.length - 1) === 110) {
+      node.bigint = node.raw.slice(0, -1);
+    }
+
+    this.next();
+    return this.finishNode(node, "Literal");
+  };
+
+  pp$3.parseParenExpression = function () {
+    this.expect(types.parenL);
+    var val = this.parseExpression();
+    this.expect(types.parenR);
+    return val;
+  };
+
+  pp$3.parseParenAndDistinguishExpression = function (canBeArrow) {
+    var startPos = this.start,
+        startLoc = this.startLoc,
+        val,
+        allowTrailingComma = this.options.ecmaVersion >= 8;
+
+    if (this.options.ecmaVersion >= 6) {
+      this.next();
+      var innerStartPos = this.start,
+          innerStartLoc = this.startLoc;
+      var exprList = [],
+          first = true,
+          lastIsComma = false;
+      var refDestructuringErrors = new DestructuringErrors(),
+          oldYieldPos = this.yieldPos,
+          oldAwaitPos = this.awaitPos,
+          spreadStart;
+      this.yieldPos = 0;
+      this.awaitPos = 0; // Do not save awaitIdentPos to allow checking awaits nested in parameters
+
+      while (this.type !== types.parenR) {
+        first ? first = false : this.expect(types.comma);
+
+        if (allowTrailingComma && this.afterTrailingComma(types.parenR, true)) {
+          lastIsComma = true;
+          break;
+        } else if (this.type === types.ellipsis) {
+          spreadStart = this.start;
+          exprList.push(this.parseParenItem(this.parseRestBinding()));
+
+          if (this.type === types.comma) {
+            this.raise(this.start, "Comma is not permitted after the rest element");
+          }
+
+          break;
+        } else {
+          exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem));
+        }
+      }
+
+      var innerEndPos = this.start,
+          innerEndLoc = this.startLoc;
+      this.expect(types.parenR);
+
+      if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) {
+        this.checkPatternErrors(refDestructuringErrors, false);
+        this.checkYieldAwaitInDefaultParams();
+        this.yieldPos = oldYieldPos;
+        this.awaitPos = oldAwaitPos;
+        return this.parseParenArrowList(startPos, startLoc, exprList);
+      }
+
+      if (!exprList.length || lastIsComma) {
+        this.unexpected(this.lastTokStart);
+      }
+
+      if (spreadStart) {
+        this.unexpected(spreadStart);
+      }
+
+      this.checkExpressionErrors(refDestructuringErrors, true);
+      this.yieldPos = oldYieldPos || this.yieldPos;
+      this.awaitPos = oldAwaitPos || this.awaitPos;
+
+      if (exprList.length > 1) {
+        val = this.startNodeAt(innerStartPos, innerStartLoc);
+        val.expressions = exprList;
+        this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc);
+      } else {
+        val = exprList[0];
+      }
+    } else {
+      val = this.parseParenExpression();
+    }
+
+    if (this.options.preserveParens) {
+      var par = this.startNodeAt(startPos, startLoc);
+      par.expression = val;
+      return this.finishNode(par, "ParenthesizedExpression");
+    } else {
+      return val;
+    }
+  };
+
+  pp$3.parseParenItem = function (item) {
+    return item;
+  };
+
+  pp$3.parseParenArrowList = function (startPos, startLoc, exprList) {
+    return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList);
+  }; // New's precedence is slightly tricky. It must allow its argument to
+  // be a `[]` or dot subscript expression, but not a call — at least,
+  // not without wrapping it in parentheses. Thus, it uses the noCalls
+  // argument to parseSubscripts to prevent it from consuming the
+  // argument list.
+
+
+  var empty$1 = [];
+
+  pp$3.parseNew = function () {
+    if (this.containsEsc) {
+      this.raiseRecoverable(this.start, "Escape sequence in keyword new");
+    }
+
+    var node = this.startNode();
+    var meta = this.parseIdent(true);
+
+    if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) {
+      node.meta = meta;
+      var containsEsc = this.containsEsc;
+      node.property = this.parseIdent(true);
+
+      if (node.property.name !== "target" || containsEsc) {
+        this.raiseRecoverable(node.property.start, "The only valid meta property for new is new.target");
+      }
+
+      if (!this.inNonArrowFunction()) {
+        this.raiseRecoverable(node.start, "new.target can only be used in functions");
+      }
+
+      return this.finishNode(node, "MetaProperty");
+    }
+
+    var startPos = this.start,
+        startLoc = this.startLoc,
+        isImport = this.type === types._import;
+    node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true);
+
+    if (isImport && node.callee.type === "ImportExpression") {
+      this.raise(startPos, "Cannot use new with import()");
+    }
+
+    if (this.eat(types.parenL)) {
+      node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false);
+    } else {
+      node.arguments = empty$1;
+    }
+
+    return this.finishNode(node, "NewExpression");
+  }; // Parse template expression.
+
+
+  pp$3.parseTemplateElement = function (ref) {
+    var isTagged = ref.isTagged;
+    var elem = this.startNode();
+
+    if (this.type === types.invalidTemplate) {
+      if (!isTagged) {
+        this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal");
+      }
+
+      elem.value = {
+        raw: this.value,
+        cooked: null
+      };
+    } else {
+      elem.value = {
+        raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"),
+        cooked: this.value
+      };
+    }
+
+    this.next();
+    elem.tail = this.type === types.backQuote;
+    return this.finishNode(elem, "TemplateElement");
+  };
+
+  pp$3.parseTemplate = function (ref) {
+    if (ref === void 0) ref = {};
+    var isTagged = ref.isTagged;
+    if (isTagged === void 0) isTagged = false;
+    var node = this.startNode();
+    this.next();
+    node.expressions = [];
+    var curElt = this.parseTemplateElement({
+      isTagged: isTagged
+    });
+    node.quasis = [curElt];
+
+    while (!curElt.tail) {
+      if (this.type === types.eof) {
+        this.raise(this.pos, "Unterminated template literal");
+      }
+
+      this.expect(types.dollarBraceL);
+      node.expressions.push(this.parseExpression());
+      this.expect(types.braceR);
+      node.quasis.push(curElt = this.parseTemplateElement({
+        isTagged: isTagged
+      }));
+    }
+
+    this.next();
+    return this.finishNode(node, "TemplateLiteral");
+  };
+
+  pp$3.isAsyncProp = function (prop) {
+    return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || this.options.ecmaVersion >= 9 && this.type === types.star) && !lineBreak.test(this.input.slice(this.lastTokEnd, this.start));
+  }; // Parse an object literal or binding pattern.
+
+
+  pp$3.parseObj = function (isPattern, refDestructuringErrors) {
+    var node = this.startNode(),
+        first = true,
+        propHash = {};
+    node.properties = [];
+    this.next();
+
+    while (!this.eat(types.braceR)) {
+      if (!first) {
+        this.expect(types.comma);
+
+        if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types.braceR)) {
+          break;
+        }
+      } else {
+        first = false;
+      }
+
+      var prop = this.parseProperty(isPattern, refDestructuringErrors);
+
+      if (!isPattern) {
+        this.checkPropClash(prop, propHash, refDestructuringErrors);
+      }
+
+      node.properties.push(prop);
+    }
+
+    return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression");
+  };
+
+  pp$3.parseProperty = function (isPattern, refDestructuringErrors) {
+    var prop = this.startNode(),
+        isGenerator,
+        isAsync,
+        startPos,
+        startLoc;
+
+    if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) {
+      if (isPattern) {
+        prop.argument = this.parseIdent(false);
+
+        if (this.type === types.comma) {
+          this.raise(this.start, "Comma is not permitted after the rest element");
+        }
+
+        return this.finishNode(prop, "RestElement");
+      } // To disallow parenthesized identifier via `this.toAssignable()`.
+
+
+      if (this.type === types.parenL && refDestructuringErrors) {
+        if (refDestructuringErrors.parenthesizedAssign < 0) {
+          refDestructuringErrors.parenthesizedAssign = this.start;
+        }
+
+        if (refDestructuringErrors.parenthesizedBind < 0) {
+          refDestructuringErrors.parenthesizedBind = this.start;
+        }
+      } // Parse argument.
+
+
+      prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); // To disallow trailing comma via `this.toAssignable()`.
+
+      if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) {
+        refDestructuringErrors.trailingComma = this.start;
+      } // Finish
+
+
+      return this.finishNode(prop, "SpreadElement");
+    }
+
+    if (this.options.ecmaVersion >= 6) {
+      prop.method = false;
+      prop.shorthand = false;
+
+      if (isPattern || refDestructuringErrors) {
+        startPos = this.start;
+        startLoc = this.startLoc;
+      }
+
+      if (!isPattern) {
+        isGenerator = this.eat(types.star);
+      }
+    }
+
+    var containsEsc = this.containsEsc;
+    this.parsePropertyName(prop);
+
+    if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) {
+      isAsync = true;
+      isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star);
+      this.parsePropertyName(prop, refDestructuringErrors);
+    } else {
+      isAsync = false;
+    }
+
+    this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc);
+    return this.finishNode(prop, "Property");
+  };
+
+  pp$3.parsePropertyValue = function (prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) {
+    if ((isGenerator || isAsync) && this.type === types.colon) {
+      this.unexpected();
+    }
+
+    if (this.eat(types.colon)) {
+      prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors);
+      prop.kind = "init";
+    } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) {
+      if (isPattern) {
+        this.unexpected();
+      }
+
+      prop.kind = "init";
+      prop.method = true;
+      prop.value = this.parseMethod(isGenerator, isAsync);
+    } else if (!isPattern && !containsEsc && this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && this.type !== types.comma && this.type !== types.braceR) {
+      if (isGenerator || isAsync) {
+        this.unexpected();
+      }
+
+      prop.kind = prop.key.name;
+      this.parsePropertyName(prop);
+      prop.value = this.parseMethod(false);
+      var paramCount = prop.kind === "get" ? 0 : 1;
+
+      if (prop.value.params.length !== paramCount) {
+        var start = prop.value.start;
+
+        if (prop.kind === "get") {
+          this.raiseRecoverable(start, "getter should have no params");
+        } else {
+          this.raiseRecoverable(start, "setter should have exactly one param");
+        }
+      } else {
+        if (prop.kind === "set" && prop.value.params[0].type === "RestElement") {
+          this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params");
+        }
+      }
+    } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") {
+      if (isGenerator || isAsync) {
+        this.unexpected();
+      }
+
+      this.checkUnreserved(prop.key);
+
+      if (prop.key.name === "await" && !this.awaitIdentPos) {
+        this.awaitIdentPos = startPos;
+      }
+
+      prop.kind = "init";
+
+      if (isPattern) {
+        prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);
+      } else if (this.type === types.eq && refDestructuringErrors) {
+        if (refDestructuringErrors.shorthandAssign < 0) {
+          refDestructuringErrors.shorthandAssign = this.start;
+        }
+
+        prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key);
+      } else {
+        prop.value = prop.key;
+      }
+
+      prop.shorthand = true;
+    } else {
+      this.unexpected();
+    }
+  };
+
+  pp$3.parsePropertyName = function (prop) {
+    if (this.options.ecmaVersion >= 6) {
+      if (this.eat(types.bracketL)) {
+        prop.computed = true;
+        prop.key = this.parseMaybeAssign();
+        this.expect(types.bracketR);
+        return prop.key;
+      } else {
+        prop.computed = false;
+      }
+    }
+
+    return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never");
+  }; // Initialize empty function node.
+
+
+  pp$3.initFunction = function (node) {
+    node.id = null;
+
+    if (this.options.ecmaVersion >= 6) {
+      node.generator = node.expression = false;
+    }
+
+    if (this.options.ecmaVersion >= 8) {
+      node.async = false;
+    }
+  }; // Parse object or class method.
+
+
+  pp$3.parseMethod = function (isGenerator, isAsync, allowDirectSuper) {
+    var node = this.startNode(),
+        oldYieldPos = this.yieldPos,
+        oldAwaitPos = this.awaitPos,
+        oldAwaitIdentPos = this.awaitIdentPos;
+    this.initFunction(node);
+
+    if (this.options.ecmaVersion >= 6) {
+      node.generator = isGenerator;
+    }
+
+    if (this.options.ecmaVersion >= 8) {
+      node.async = !!isAsync;
+    }
+
+    this.yieldPos = 0;
+    this.awaitPos = 0;
+    this.awaitIdentPos = 0;
+    this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0));
+    this.expect(types.parenL);
+    node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8);
+    this.checkYieldAwaitInDefaultParams();
+    this.parseFunctionBody(node, false, true);
+    this.yieldPos = oldYieldPos;
+    this.awaitPos = oldAwaitPos;
+    this.awaitIdentPos = oldAwaitIdentPos;
+    return this.finishNode(node, "FunctionExpression");
+  }; // Parse arrow function expression with given parameters.
+
+
+  pp$3.parseArrowExpression = function (node, params, isAsync) {
+    var oldYieldPos = this.yieldPos,
+        oldAwaitPos = this.awaitPos,
+        oldAwaitIdentPos = this.awaitIdentPos;
+    this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW);
+    this.initFunction(node);
+
+    if (this.options.ecmaVersion >= 8) {
+      node.async = !!isAsync;
+    }
+
+    this.yieldPos = 0;
+    this.awaitPos = 0;
+    this.awaitIdentPos = 0;
+    node.params = this.toAssignableList(params, true);
+    this.parseFunctionBody(node, true, false);
+    this.yieldPos = oldYieldPos;
+    this.awaitPos = oldAwaitPos;
+    this.awaitIdentPos = oldAwaitIdentPos;
+    return this.finishNode(node, "ArrowFunctionExpression");
+  }; // Parse function body and check parameters.
+
+
+  pp$3.parseFunctionBody = function (node, isArrowFunction, isMethod) {
+    var isExpression = isArrowFunction && this.type !== types.braceL;
+    var oldStrict = this.strict,
+        useStrict = false;
+
+    if (isExpression) {
+      node.body = this.parseMaybeAssign();
+      node.expression = true;
+      this.checkParams(node, false);
+    } else {
+      var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params);
+
+      if (!oldStrict || nonSimple) {
+        useStrict = this.strictDirective(this.end); // If this is a strict mode function, verify that argument names
+        // are not repeated, and it does not try to bind the words `eval`
+        // or `arguments`.
+
+        if (useStrict && nonSimple) {
+          this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list");
+        }
+      } // Start a new scope with regard to labels and the `inFunction`
+      // flag (restore them to their old value afterwards).
+
+
+      var oldLabels = this.labels;
+      this.labels = [];
+
+      if (useStrict) {
+        this.strict = true;
+      } // Add the params to varDeclaredNames to ensure that an error is thrown
+      // if a let/const declaration in the function clashes with one of the params.
+
+
+      this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params));
+      node.body = this.parseBlock(false);
+      node.expression = false;
+      this.adaptDirectivePrologue(node.body.body);
+      this.labels = oldLabels;
+    }
+
+    this.exitScope(); // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval'
+
+    if (this.strict && node.id) {
+      this.checkLVal(node.id, BIND_OUTSIDE);
+    }
+
+    this.strict = oldStrict;
+  };
+
+  pp$3.isSimpleParamList = function (params) {
+    for (var i = 0, list = params; i < list.length; i += 1) {
+      var param = list[i];
+
+      if (param.type !== "Identifier") {
+        return false;
+      }
+    }
+
+    return true;
+  }; // Checks function params for various disallowed patterns such as using "eval"
+  // or "arguments" and duplicate parameters.
+
+
+  pp$3.checkParams = function (node, allowDuplicates) {
+    var nameHash = {};
+
+    for (var i = 0, list = node.params; i < list.length; i += 1) {
+      var param = list[i];
+      this.checkLVal(param, BIND_VAR, allowDuplicates ? null : nameHash);
+    }
+  }; // Parses a comma-separated list of expressions, and returns them as
+  // an array. `close` is the token type that ends the list, and
+  // `allowEmpty` can be turned on to allow subsequent commas with
+  // nothing in between them to be parsed as `null` (which is needed
+  // for array literals).
+
+
+  pp$3.parseExprList = function (close, allowTrailingComma, allowEmpty, refDestructuringErrors) {
+    var elts = [],
+        first = true;
+
+    while (!this.eat(close)) {
+      if (!first) {
+        this.expect(types.comma);
+
+        if (allowTrailingComma && this.afterTrailingComma(close)) {
+          break;
+        }
+      } else {
+        first = false;
+      }
+
+      var elt = void 0;
+
+      if (allowEmpty && this.type === types.comma) {
+        elt = null;
+      } else if (this.type === types.ellipsis) {
+        elt = this.parseSpread(refDestructuringErrors);
+
+        if (refDestructuringErrors && this.type === types.comma && refDestructuringErrors.trailingComma < 0) {
+          refDestructuringErrors.trailingComma = this.start;
+        }
+      } else {
+        elt = this.parseMaybeAssign(false, refDestructuringErrors);
+      }
+
+      elts.push(elt);
+    }
+
+    return elts;
+  };
+
+  pp$3.checkUnreserved = function (ref) {
+    var start = ref.start;
+    var end = ref.end;
+    var name = ref.name;
+
+    if (this.inGenerator && name === "yield") {
+      this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator");
+    }
+
+    if (this.inAsync && name === "await") {
+      this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function");
+    }
+
+    if (this.keywords.test(name)) {
+      this.raise(start, "Unexpected keyword '" + name + "'");
+    }
+
+    if (this.options.ecmaVersion < 6 && this.input.slice(start, end).indexOf("\\") !== -1) {
+      return;
+    }
+
+    var re = this.strict ? this.reservedWordsStrict : this.reservedWords;
+
+    if (re.test(name)) {
+      if (!this.inAsync && name === "await") {
+        this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function");
+      }
+
+      this.raiseRecoverable(start, "The keyword '" + name + "' is reserved");
+    }
+  }; // Parse the next token as an identifier. If `liberal` is true (used
+  // when parsing properties), it will also convert keywords into
+  // identifiers.
+
+
+  pp$3.parseIdent = function (liberal, isBinding) {
+    var node = this.startNode();
+
+    if (this.type === types.name) {
+      node.name = this.value;
+    } else if (this.type.keyword) {
+      node.name = this.type.keyword; // To fix https://github.com/acornjs/acorn/issues/575
+      // `class` and `function` keywords push new context into this.context.
+      // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name.
+      // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword
+
+      if ((node.name === "class" || node.name === "function") && (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) {
+        this.context.pop();
+      }
+    } else {
+      this.unexpected();
+    }
+
+    this.next(!!liberal);
+    this.finishNode(node, "Identifier");
+
+    if (!liberal) {
+      this.checkUnreserved(node);
+
+      if (node.name === "await" && !this.awaitIdentPos) {
+        this.awaitIdentPos = node.start;
+      }
+    }
+
+    return node;
+  }; // Parses yield expression inside generator.
+
+
+  pp$3.parseYield = function (noIn) {
+    if (!this.yieldPos) {
+      this.yieldPos = this.start;
+    }
+
+    var node = this.startNode();
+    this.next();
+
+    if (this.type === types.semi || this.canInsertSemicolon() || this.type !== types.star && !this.type.startsExpr) {
+      node.delegate = false;
+      node.argument = null;
+    } else {
+      node.delegate = this.eat(types.star);
+      node.argument = this.parseMaybeAssign(noIn);
+    }
+
+    return this.finishNode(node, "YieldExpression");
+  };
+
+  pp$3.parseAwait = function () {
+    if (!this.awaitPos) {
+      this.awaitPos = this.start;
+    }
+
+    var node = this.startNode();
+    this.next();
+    node.argument = this.parseMaybeUnary(null, false);
+    return this.finishNode(node, "AwaitExpression");
+  };
+
+  var pp$4 = Parser.prototype; // This function is used to raise exceptions on parse errors. It
+  // takes an offset integer (into the current `input`) to indicate
+  // the location of the error, attaches the position to the end
+  // of the error message, and then raises a `SyntaxError` with that
+  // message.
+
+  pp$4.raise = function (pos, message) {
+    var loc = getLineInfo(this.input, pos);
+    message += " (" + loc.line + ":" + loc.column + ")";
+    var err = new SyntaxError(message);
+    err.pos = pos;
+    err.loc = loc;
+    err.raisedAt = this.pos;
+    throw err;
+  };
+
+  pp$4.raiseRecoverable = pp$4.raise;
+
+  pp$4.curPosition = function () {
+    if (this.options.locations) {
+      return new Position(this.curLine, this.pos - this.lineStart);
+    }
+  };
+
+  var pp$5 = Parser.prototype;
+
+  var Scope = function Scope(flags) {
+    this.flags = flags; // A list of var-declared names in the current lexical scope
+
+    this.var = []; // A list of lexically-declared names in the current lexical scope
+
+    this.lexical = []; // A list of lexically-declared FunctionDeclaration names in the current lexical scope
+
+    this.functions = [];
+  }; // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names.
+
+
+  pp$5.enterScope = function (flags) {
+    this.scopeStack.push(new Scope(flags));
+  };
+
+  pp$5.exitScope = function () {
+    this.scopeStack.pop();
+  }; // The spec says:
+  // > At the top level of a function, or script, function declarations are
+  // > treated like var declarations rather than like lexical declarations.
+
+
+  pp$5.treatFunctionsAsVarInScope = function (scope) {
+    return scope.flags & SCOPE_FUNCTION || !this.inModule && scope.flags & SCOPE_TOP;
+  };
+
+  pp$5.declareName = function (name, bindingType, pos) {
+    var redeclared = false;
+
+    if (bindingType === BIND_LEXICAL) {
+      var scope = this.currentScope();
+      redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1;
+      scope.lexical.push(name);
+
+      if (this.inModule && scope.flags & SCOPE_TOP) {
+        delete this.undefinedExports[name];
+      }
+    } else if (bindingType === BIND_SIMPLE_CATCH) {
+      var scope$1 = this.currentScope();
+      scope$1.lexical.push(name);
+    } else if (bindingType === BIND_FUNCTION) {
+      var scope$2 = this.currentScope();
+
+      if (this.treatFunctionsAsVar) {
+        redeclared = scope$2.lexical.indexOf(name) > -1;
+      } else {
+        redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1;
+      }
+
+      scope$2.functions.push(name);
+    } else {
+      for (var i = this.scopeStack.length - 1; i >= 0; --i) {
+        var scope$3 = this.scopeStack[i];
+
+        if (scope$3.lexical.indexOf(name) > -1 && !(scope$3.flags & SCOPE_SIMPLE_CATCH && scope$3.lexical[0] === name) || !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) {
+          redeclared = true;
+          break;
+        }
+
+        scope$3.var.push(name);
+
+        if (this.inModule && scope$3.flags & SCOPE_TOP) {
+          delete this.undefinedExports[name];
+        }
+
+        if (scope$3.flags & SCOPE_VAR) {
+          break;
+        }
+      }
+    }
+
+    if (redeclared) {
+      this.raiseRecoverable(pos, "Identifier '" + name + "' has already been declared");
+    }
+  };
+
+  pp$5.checkLocalExport = function (id) {
+    // scope.functions must be empty as Module code is always strict.
+    if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && this.scopeStack[0].var.indexOf(id.name) === -1) {
+      this.undefinedExports[id.name] = id;
+    }
+  };
+
+  pp$5.currentScope = function () {
+    return this.scopeStack[this.scopeStack.length - 1];
+  };
+
+  pp$5.currentVarScope = function () {
+    for (var i = this.scopeStack.length - 1;; i--) {
+      var scope = this.scopeStack[i];
+
+      if (scope.flags & SCOPE_VAR) {
+        return scope;
+      }
+    }
+  }; // Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`.
+
+
+  pp$5.currentThisScope = function () {
+    for (var i = this.scopeStack.length - 1;; i--) {
+      var scope = this.scopeStack[i];
+
+      if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) {
+        return scope;
+      }
+    }
+  };
+
+  var Node = function Node(parser, pos, loc) {
+    this.type = "";
+    this.start = pos;
+    this.end = 0;
+
+    if (parser.options.locations) {
+      this.loc = new SourceLocation(parser, loc);
+    }
+
+    if (parser.options.directSourceFile) {
+      this.sourceFile = parser.options.directSourceFile;
+    }
+
+    if (parser.options.ranges) {
+      this.range = [pos, 0];
+    }
+  }; // Start an AST node, attaching a start offset.
+
+
+  var pp$6 = Parser.prototype;
+
+  pp$6.startNode = function () {
+    return new Node(this, this.start, this.startLoc);
+  };
+
+  pp$6.startNodeAt = function (pos, loc) {
+    return new Node(this, pos, loc);
+  }; // Finish an AST node, adding `type` and `end` properties.
+
+
+  function finishNodeAt(node, type, pos, loc) {
+    node.type = type;
+    node.end = pos;
+
+    if (this.options.locations) {
+      node.loc.end = loc;
+    }
+
+    if (this.options.ranges) {
+      node.range[1] = pos;
+    }
+
+    return node;
+  }
+
+  pp$6.finishNode = function (node, type) {
+    return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc);
+  }; // Finish node at given position
+
+
+  pp$6.finishNodeAt = function (node, type, pos, loc) {
+    return finishNodeAt.call(this, node, type, pos, loc);
+  }; // The algorithm used to determine whether a regexp can appear at a
+
+
+  var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) {
+    this.token = token;
+    this.isExpr = !!isExpr;
+    this.preserveSpace = !!preserveSpace;
+    this.override = override;
+    this.generator = !!generator;
+  };
+
+  var types$1 = {
+    b_stat: new TokContext("{", false),
+    b_expr: new TokContext("{", true),
+    b_tmpl: new TokContext("${", false),
+    p_stat: new TokContext("(", false),
+    p_expr: new TokContext("(", true),
+    q_tmpl: new TokContext("`", true, true, function (p) {
+      return p.tryReadTemplateToken();
+    }),
+    f_stat: new TokContext("function", false),
+    f_expr: new TokContext("function", true),
+    f_expr_gen: new TokContext("function", true, false, null, true),
+    f_gen: new TokContext("function", false, false, null, true)
+  };
+  var pp$7 = Parser.prototype;
+
+  pp$7.initialContext = function () {
+    return [types$1.b_stat];
+  };
+
+  pp$7.braceIsBlock = function (prevType) {
+    var parent = this.curContext();
+
+    if (parent === types$1.f_expr || parent === types$1.f_stat) {
+      return true;
+    }
+
+    if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr)) {
+      return !parent.isExpr;
+    } // The check for `tt.name && exprAllowed` detects whether we are
+    // after a `yield` or `of` construct. See the `updateContext` for
+    // `tt.name`.
+
+
+    if (prevType === types._return || prevType === types.name && this.exprAllowed) {
+      return lineBreak.test(this.input.slice(this.lastTokEnd, this.start));
+    }
+
+    if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType === types.arrow) {
+      return true;
+    }
+
+    if (prevType === types.braceL) {
+      return parent === types$1.b_stat;
+    }
+
+    if (prevType === types._var || prevType === types._const || prevType === types.name) {
+      return false;
+    }
+
+    return !this.exprAllowed;
+  };
+
+  pp$7.inGeneratorContext = function () {
+    for (var i = this.context.length - 1; i >= 1; i--) {
+      var context = this.context[i];
+
+      if (context.token === "function") {
+        return context.generator;
+      }
+    }
+
+    return false;
+  };
+
+  pp$7.updateContext = function (prevType) {
+    var update,
+        type = this.type;
+
+    if (type.keyword && prevType === types.dot) {
+      this.exprAllowed = false;
+    } else if (update = type.updateContext) {
+      update.call(this, prevType);
+    } else {
+      this.exprAllowed = type.beforeExpr;
+    }
+  }; // Token-specific context update code
+
+
+  types.parenR.updateContext = types.braceR.updateContext = function () {
+    if (this.context.length === 1) {
+      this.exprAllowed = true;
+      return;
+    }
+
+    var out = this.context.pop();
+
+    if (out === types$1.b_stat && this.curContext().token === "function") {
+      out = this.context.pop();
+    }
+
+    this.exprAllowed = !out.isExpr;
+  };
+
+  types.braceL.updateContext = function (prevType) {
+    this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr);
+    this.exprAllowed = true;
+  };
+
+  types.dollarBraceL.updateContext = function () {
+    this.context.push(types$1.b_tmpl);
+    this.exprAllowed = true;
+  };
+
+  types.parenL.updateContext = function (prevType) {
+    var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while;
+    this.context.push(statementParens ? types$1.p_stat : types$1.p_expr);
+    this.exprAllowed = true;
+  };
+
+  types.incDec.updateContext = function () {// tokExprAllowed stays unchanged
+  };
+
+  types._function.updateContext = types._class.updateContext = function (prevType) {
+    if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else && !(prevType === types._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat)) {
+      this.context.push(types$1.f_expr);
+    } else {
+      this.context.push(types$1.f_stat);
+    }
+
+    this.exprAllowed = false;
+  };
+
+  types.backQuote.updateContext = function () {
+    if (this.curContext() === types$1.q_tmpl) {
+      this.context.pop();
+    } else {
+      this.context.push(types$1.q_tmpl);
+    }
+
+    this.exprAllowed = false;
+  };
+
+  types.star.updateContext = function (prevType) {
+    if (prevType === types._function) {
+      var index = this.context.length - 1;
+
+      if (this.context[index] === types$1.f_expr) {
+        this.context[index] = types$1.f_expr_gen;
+      } else {
+        this.context[index] = types$1.f_gen;
+      }
+    }
+
+    this.exprAllowed = true;
+  };
+
+  types.name.updateContext = function (prevType) {
+    var allowed = false;
+
+    if (this.options.ecmaVersion >= 6 && prevType !== types.dot) {
+      if (this.value === "of" && !this.exprAllowed || this.value === "yield" && this.inGeneratorContext()) {
+        allowed = true;
+      }
+    }
+
+    this.exprAllowed = allowed;
+  }; // This file contains Unicode properties extracted from the ECMAScript
+  // specification. The lists are extracted like so:
+  // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText)
+  // #table-binary-unicode-properties
+
+
+  var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS";
+  var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic";
+  var ecma11BinaryProperties = ecma10BinaryProperties;
+  var unicodeBinaryProperties = {
+    9: ecma9BinaryProperties,
+    10: ecma10BinaryProperties,
+    11: ecma11BinaryProperties
+  }; // #table-unicode-general-category-values
+
+  var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; // #table-unicode-script-values
+
+  var ecma9ScriptValues = "Adlam Adlm Ahom Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb";
+  var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd";
+  var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho";
+  var unicodeScriptValues = {
+    9: ecma9ScriptValues,
+    10: ecma10ScriptValues,
+    11: ecma11ScriptValues
+  };
+  var data = {};
+
+  function buildUnicodeData(ecmaVersion) {
+    var d = data[ecmaVersion] = {
+      binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues),
+      nonBinary: {
+        General_Category: wordsRegexp(unicodeGeneralCategoryValues),
+        Script: wordsRegexp(unicodeScriptValues[ecmaVersion])
+      }
+    };
+    d.nonBinary.Script_Extensions = d.nonBinary.Script;
+    d.nonBinary.gc = d.nonBinary.General_Category;
+    d.nonBinary.sc = d.nonBinary.Script;
+    d.nonBinary.scx = d.nonBinary.Script_Extensions;
+  }
+
+  buildUnicodeData(9);
+  buildUnicodeData(10);
+  buildUnicodeData(11);
+  var pp$8 = Parser.prototype;
+
+  var RegExpValidationState = function RegExpValidationState(parser) {
+    this.parser = parser;
+    this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "");
+    this.unicodeProperties = data[parser.options.ecmaVersion >= 11 ? 11 : parser.options.ecmaVersion];
+    this.source = "";
+    this.flags = "";
+    this.start = 0;
+    this.switchU = false;
+    this.switchN = false;
+    this.pos = 0;
+    this.lastIntValue = 0;
+    this.lastStringValue = "";
+    this.lastAssertionIsQuantifiable = false;
+    this.numCapturingParens = 0;
+    this.maxBackReference = 0;
+    this.groupNames = [];
+    this.backReferenceNames = [];
+  };
+
+  RegExpValidationState.prototype.reset = function reset(start, pattern, flags) {
+    var unicode = flags.indexOf("u") !== -1;
+    this.start = start | 0;
+    this.source = pattern + "";
+    this.flags = flags;
+    this.switchU = unicode && this.parser.options.ecmaVersion >= 6;
+    this.switchN = unicode && this.parser.options.ecmaVersion >= 9;
+  };
+
+  RegExpValidationState.prototype.raise = function raise(message) {
+    this.parser.raiseRecoverable(this.start, "Invalid regular expression: /" + this.source + "/: " + message);
+  }; // If u flag is given, this returns the code point at the index (it combines a surrogate pair).
+  // Otherwise, this returns the code unit of the index (can be a part of a surrogate pair).
+
+
+  RegExpValidationState.prototype.at = function at(i) {
+    var s = this.source;
+    var l = s.length;
+
+    if (i >= l) {
+      return -1;
+    }
+
+    var c = s.charCodeAt(i);
+
+    if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) {
+      return c;
+    }
+
+    var next = s.charCodeAt(i + 1);
+    return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c;
+  };
+
+  RegExpValidationState.prototype.nextIndex = function nextIndex(i) {
+    var s = this.source;
+    var l = s.length;
+
+    if (i >= l) {
+      return l;
+    }
+
+    var c = s.charCodeAt(i),
+        next;
+
+    if (!this.switchU || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) {
+      return i + 1;
+    }
+
+    return i + 2;
+  };
+
+  RegExpValidationState.prototype.current = function current() {
+    return this.at(this.pos);
+  };
+
+  RegExpValidationState.prototype.lookahead = function lookahead() {
+    return this.at(this.nextIndex(this.pos));
+  };
+
+  RegExpValidationState.prototype.advance = function advance() {
+    this.pos = this.nextIndex(this.pos);
+  };
+
+  RegExpValidationState.prototype.eat = function eat(ch) {
+    if (this.current() === ch) {
+      this.advance();
+      return true;
+    }
+
+    return false;
+  };
+
+  function codePointToString(ch) {
+    if (ch <= 0xFFFF) {
+      return String.fromCharCode(ch);
+    }
+
+    ch -= 0x10000;
+    return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00);
+  }
+  /**
+   * Validate the flags part of a given RegExpLiteral.
+   *
+   * @param {RegExpValidationState} state The state to validate RegExp.
+   * @returns {void}
+   */
+
+
+  pp$8.validateRegExpFlags = function (state) {
+    var validFlags = state.validFlags;
+    var flags = state.flags;
+
+    for (var i = 0; i < flags.length; i++) {
+      var flag = flags.charAt(i);
+
+      if (validFlags.indexOf(flag) === -1) {
+        this.raise(state.start, "Invalid regular expression flag");
+      }
+
+      if (flags.indexOf(flag, i + 1) > -1) {
+        this.raise(state.start, "Duplicate regular expression flag");
+      }
+    }
+  };
+  /**
+   * Validate the pattern part of a given RegExpLiteral.
+   *
+   * @param {RegExpValidationState} state The state to validate RegExp.
+   * @returns {void}
+   */
+
+
+  pp$8.validateRegExpPattern = function (state) {
+    this.regexp_pattern(state); // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of
+    // parsing contains a |GroupName|, reparse with the goal symbol
+    // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError*
+    // exception if _P_ did not conform to the grammar, if any elements of _P_
+    // were not matched by the parse, or if any Early Error conditions exist.
+
+    if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) {
+      state.switchN = true;
+      this.regexp_pattern(state);
+    }
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern
+
+
+  pp$8.regexp_pattern = function (state) {
+    state.pos = 0;
+    state.lastIntValue = 0;
+    state.lastStringValue = "";
+    state.lastAssertionIsQuantifiable = false;
+    state.numCapturingParens = 0;
+    state.maxBackReference = 0;
+    state.groupNames.length = 0;
+    state.backReferenceNames.length = 0;
+    this.regexp_disjunction(state);
+
+    if (state.pos !== state.source.length) {
+      // Make the same messages as V8.
+      if (state.eat(0x29
+      /* ) */
+      )) {
+        state.raise("Unmatched ')'");
+      }
+
+      if (state.eat(0x5D
+      /* ] */
+      ) || state.eat(0x7D
+      /* } */
+      )) {
+        state.raise("Lone quantifier brackets");
+      }
+    }
+
+    if (state.maxBackReference > state.numCapturingParens) {
+      state.raise("Invalid escape");
+    }
+
+    for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) {
+      var name = list[i];
+
+      if (state.groupNames.indexOf(name) === -1) {
+        state.raise("Invalid named capture referenced");
+      }
+    }
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction
+
+
+  pp$8.regexp_disjunction = function (state) {
+    this.regexp_alternative(state);
+
+    while (state.eat(0x7C
+    /* | */
+    )) {
+      this.regexp_alternative(state);
+    } // Make the same message as V8.
+
+
+    if (this.regexp_eatQuantifier(state, true)) {
+      state.raise("Nothing to repeat");
+    }
+
+    if (state.eat(0x7B
+    /* { */
+    )) {
+      state.raise("Lone quantifier brackets");
+    }
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative
+
+
+  pp$8.regexp_alternative = function (state) {
+    while (state.pos < state.source.length && this.regexp_eatTerm(state)) {}
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term
+
+
+  pp$8.regexp_eatTerm = function (state) {
+    if (this.regexp_eatAssertion(state)) {
+      // Handle `QuantifiableAssertion Quantifier` alternative.
+      // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion
+      // is a QuantifiableAssertion.
+      if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) {
+        // Make the same message as V8.
+        if (state.switchU) {
+          state.raise("Invalid quantifier");
+        }
+      }
+
+      return true;
+    }
+
+    if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) {
+      this.regexp_eatQuantifier(state);
+      return true;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion
+
+
+  pp$8.regexp_eatAssertion = function (state) {
+    var start = state.pos;
+    state.lastAssertionIsQuantifiable = false; // ^, $
+
+    if (state.eat(0x5E
+    /* ^ */
+    ) || state.eat(0x24
+    /* $ */
+    )) {
+      return true;
+    } // \b \B
+
+
+    if (state.eat(0x5C
+    /* \ */
+    )) {
+      if (state.eat(0x42
+      /* B */
+      ) || state.eat(0x62
+      /* b */
+      )) {
+        return true;
+      }
+
+      state.pos = start;
+    } // Lookahead / Lookbehind
+
+
+    if (state.eat(0x28
+    /* ( */
+    ) && state.eat(0x3F
+    /* ? */
+    )) {
+      var lookbehind = false;
+
+      if (this.options.ecmaVersion >= 9) {
+        lookbehind = state.eat(0x3C
+        /* < */
+        );
+      }
+
+      if (state.eat(0x3D
+      /* = */
+      ) || state.eat(0x21
+      /* ! */
+      )) {
+        this.regexp_disjunction(state);
+
+        if (!state.eat(0x29
+        /* ) */
+        )) {
+          state.raise("Unterminated group");
+        }
+
+        state.lastAssertionIsQuantifiable = !lookbehind;
+        return true;
+      }
+    }
+
+    state.pos = start;
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier
+
+
+  pp$8.regexp_eatQuantifier = function (state, noError) {
+    if (noError === void 0) noError = false;
+
+    if (this.regexp_eatQuantifierPrefix(state, noError)) {
+      state.eat(0x3F
+      /* ? */
+      );
+      return true;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix
+
+
+  pp$8.regexp_eatQuantifierPrefix = function (state, noError) {
+    return state.eat(0x2A
+    /* * */
+    ) || state.eat(0x2B
+    /* + */
+    ) || state.eat(0x3F
+    /* ? */
+    ) || this.regexp_eatBracedQuantifier(state, noError);
+  };
+
+  pp$8.regexp_eatBracedQuantifier = function (state, noError) {
+    var start = state.pos;
+
+    if (state.eat(0x7B
+    /* { */
+    )) {
+      var min = 0,
+          max = -1;
+
+      if (this.regexp_eatDecimalDigits(state)) {
+        min = state.lastIntValue;
+
+        if (state.eat(0x2C
+        /* , */
+        ) && this.regexp_eatDecimalDigits(state)) {
+          max = state.lastIntValue;
+        }
+
+        if (state.eat(0x7D
+        /* } */
+        )) {
+          // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term
+          if (max !== -1 && max < min && !noError) {
+            state.raise("numbers out of order in {} quantifier");
+          }
+
+          return true;
+        }
+      }
+
+      if (state.switchU && !noError) {
+        state.raise("Incomplete quantifier");
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Atom
+
+
+  pp$8.regexp_eatAtom = function (state) {
+    return this.regexp_eatPatternCharacters(state) || state.eat(0x2E
+    /* . */
+    ) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state);
+  };
+
+  pp$8.regexp_eatReverseSolidusAtomEscape = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x5C
+    /* \ */
+    )) {
+      if (this.regexp_eatAtomEscape(state)) {
+        return true;
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_eatUncapturingGroup = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x28
+    /* ( */
+    )) {
+      if (state.eat(0x3F
+      /* ? */
+      ) && state.eat(0x3A
+      /* : */
+      )) {
+        this.regexp_disjunction(state);
+
+        if (state.eat(0x29
+        /* ) */
+        )) {
+          return true;
+        }
+
+        state.raise("Unterminated group");
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_eatCapturingGroup = function (state) {
+    if (state.eat(0x28
+    /* ( */
+    )) {
+      if (this.options.ecmaVersion >= 9) {
+        this.regexp_groupSpecifier(state);
+      } else if (state.current() === 0x3F
+      /* ? */
+      ) {
+          state.raise("Invalid group");
+        }
+
+      this.regexp_disjunction(state);
+
+      if (state.eat(0x29
+      /* ) */
+      )) {
+        state.numCapturingParens += 1;
+        return true;
+      }
+
+      state.raise("Unterminated group");
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom
+
+
+  pp$8.regexp_eatExtendedAtom = function (state) {
+    return state.eat(0x2E
+    /* . */
+    ) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state) || this.regexp_eatInvalidBracedQuantifier(state) || this.regexp_eatExtendedPatternCharacter(state);
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier
+
+
+  pp$8.regexp_eatInvalidBracedQuantifier = function (state) {
+    if (this.regexp_eatBracedQuantifier(state, true)) {
+      state.raise("Nothing to repeat");
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter
+
+
+  pp$8.regexp_eatSyntaxCharacter = function (state) {
+    var ch = state.current();
+
+    if (isSyntaxCharacter(ch)) {
+      state.lastIntValue = ch;
+      state.advance();
+      return true;
+    }
+
+    return false;
+  };
+
+  function isSyntaxCharacter(ch) {
+    return ch === 0x24
+    /* $ */
+    || ch >= 0x28
+    /* ( */
+    && ch <= 0x2B
+    /* + */
+    || ch === 0x2E
+    /* . */
+    || ch === 0x3F
+    /* ? */
+    || ch >= 0x5B
+    /* [ */
+    && ch <= 0x5E
+    /* ^ */
+    || ch >= 0x7B
+    /* { */
+    && ch <= 0x7D
+    /* } */
+    ;
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter
+  // But eat eager.
+
+
+  pp$8.regexp_eatPatternCharacters = function (state) {
+    var start = state.pos;
+    var ch = 0;
+
+    while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) {
+      state.advance();
+    }
+
+    return state.pos !== start;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter
+
+
+  pp$8.regexp_eatExtendedPatternCharacter = function (state) {
+    var ch = state.current();
+
+    if (ch !== -1 && ch !== 0x24
+    /* $ */
+    && !(ch >= 0x28
+    /* ( */
+    && ch <= 0x2B
+    /* + */
+    ) && ch !== 0x2E
+    /* . */
+    && ch !== 0x3F
+    /* ? */
+    && ch !== 0x5B
+    /* [ */
+    && ch !== 0x5E
+    /* ^ */
+    && ch !== 0x7C
+    /* | */
+    ) {
+        state.advance();
+        return true;
+      }
+
+    return false;
+  }; // GroupSpecifier[U] ::
+  //   [empty]
+  //   `?` GroupName[?U]
+
+
+  pp$8.regexp_groupSpecifier = function (state) {
+    if (state.eat(0x3F
+    /* ? */
+    )) {
+      if (this.regexp_eatGroupName(state)) {
+        if (state.groupNames.indexOf(state.lastStringValue) !== -1) {
+          state.raise("Duplicate capture group name");
+        }
+
+        state.groupNames.push(state.lastStringValue);
+        return;
+      }
+
+      state.raise("Invalid group");
+    }
+  }; // GroupName[U] ::
+  //   `<` RegExpIdentifierName[?U] `>`
+  // Note: this updates `state.lastStringValue` property with the eaten name.
+
+
+  pp$8.regexp_eatGroupName = function (state) {
+    state.lastStringValue = "";
+
+    if (state.eat(0x3C
+    /* < */
+    )) {
+      if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E
+      /* > */
+      )) {
+        return true;
+      }
+
+      state.raise("Invalid capture group name");
+    }
+
+    return false;
+  }; // RegExpIdentifierName[U] ::
+  //   RegExpIdentifierStart[?U]
+  //   RegExpIdentifierName[?U] RegExpIdentifierPart[?U]
+  // Note: this updates `state.lastStringValue` property with the eaten name.
+
+
+  pp$8.regexp_eatRegExpIdentifierName = function (state) {
+    state.lastStringValue = "";
+
+    if (this.regexp_eatRegExpIdentifierStart(state)) {
+      state.lastStringValue += codePointToString(state.lastIntValue);
+
+      while (this.regexp_eatRegExpIdentifierPart(state)) {
+        state.lastStringValue += codePointToString(state.lastIntValue);
+      }
+
+      return true;
+    }
+
+    return false;
+  }; // RegExpIdentifierStart[U] ::
+  //   UnicodeIDStart
+  //   `$`
+  //   `_`
+  //   `\` RegExpUnicodeEscapeSequence[?U]
+
+
+  pp$8.regexp_eatRegExpIdentifierStart = function (state) {
+    var start = state.pos;
+    var ch = state.current();
+    state.advance();
+
+    if (ch === 0x5C
+    /* \ */
+    && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {
+      ch = state.lastIntValue;
+    }
+
+    if (isRegExpIdentifierStart(ch)) {
+      state.lastIntValue = ch;
+      return true;
+    }
+
+    state.pos = start;
+    return false;
+  };
+
+  function isRegExpIdentifierStart(ch) {
+    return isIdentifierStart(ch, true) || ch === 0x24
+    /* $ */
+    || ch === 0x5F;
+    /* _ */
+  } // RegExpIdentifierPart[U] ::
+  //   UnicodeIDContinue
+  //   `$`
+  //   `_`
+  //   `\` RegExpUnicodeEscapeSequence[?U]
+  //   <ZWNJ>
+  //   <ZWJ>
+
+
+  pp$8.regexp_eatRegExpIdentifierPart = function (state) {
+    var start = state.pos;
+    var ch = state.current();
+    state.advance();
+
+    if (ch === 0x5C
+    /* \ */
+    && this.regexp_eatRegExpUnicodeEscapeSequence(state)) {
+      ch = state.lastIntValue;
+    }
+
+    if (isRegExpIdentifierPart(ch)) {
+      state.lastIntValue = ch;
+      return true;
+    }
+
+    state.pos = start;
+    return false;
+  };
+
+  function isRegExpIdentifierPart(ch) {
+    return isIdentifierChar(ch, true) || ch === 0x24
+    /* $ */
+    || ch === 0x5F
+    /* _ */
+    || ch === 0x200C
+    /* <ZWNJ> */
+    || ch === 0x200D;
+    /* <ZWJ> */
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape
+
+
+  pp$8.regexp_eatAtomEscape = function (state) {
+    if (this.regexp_eatBackReference(state) || this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state) || state.switchN && this.regexp_eatKGroupName(state)) {
+      return true;
+    }
+
+    if (state.switchU) {
+      // Make the same message as V8.
+      if (state.current() === 0x63
+      /* c */
+      ) {
+          state.raise("Invalid unicode escape");
+        }
+
+      state.raise("Invalid escape");
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_eatBackReference = function (state) {
+    var start = state.pos;
+
+    if (this.regexp_eatDecimalEscape(state)) {
+      var n = state.lastIntValue;
+
+      if (state.switchU) {
+        // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape
+        if (n > state.maxBackReference) {
+          state.maxBackReference = n;
+        }
+
+        return true;
+      }
+
+      if (n <= state.numCapturingParens) {
+        return true;
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_eatKGroupName = function (state) {
+    if (state.eat(0x6B
+    /* k */
+    )) {
+      if (this.regexp_eatGroupName(state)) {
+        state.backReferenceNames.push(state.lastStringValue);
+        return true;
+      }
+
+      state.raise("Invalid named reference");
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape
+
+
+  pp$8.regexp_eatCharacterEscape = function (state) {
+    return this.regexp_eatControlEscape(state) || this.regexp_eatCControlLetter(state) || this.regexp_eatZero(state) || this.regexp_eatHexEscapeSequence(state) || this.regexp_eatRegExpUnicodeEscapeSequence(state) || !state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state) || this.regexp_eatIdentityEscape(state);
+  };
+
+  pp$8.regexp_eatCControlLetter = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x63
+    /* c */
+    )) {
+      if (this.regexp_eatControlLetter(state)) {
+        return true;
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_eatZero = function (state) {
+    if (state.current() === 0x30
+    /* 0 */
+    && !isDecimalDigit(state.lookahead())) {
+      state.lastIntValue = 0;
+      state.advance();
+      return true;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape
+
+
+  pp$8.regexp_eatControlEscape = function (state) {
+    var ch = state.current();
+
+    if (ch === 0x74
+    /* t */
+    ) {
+        state.lastIntValue = 0x09;
+        /* \t */
+
+        state.advance();
+        return true;
+      }
+
+    if (ch === 0x6E
+    /* n */
+    ) {
+        state.lastIntValue = 0x0A;
+        /* \n */
+
+        state.advance();
+        return true;
+      }
+
+    if (ch === 0x76
+    /* v */
+    ) {
+        state.lastIntValue = 0x0B;
+        /* \v */
+
+        state.advance();
+        return true;
+      }
+
+    if (ch === 0x66
+    /* f */
+    ) {
+        state.lastIntValue = 0x0C;
+        /* \f */
+
+        state.advance();
+        return true;
+      }
+
+    if (ch === 0x72
+    /* r */
+    ) {
+        state.lastIntValue = 0x0D;
+        /* \r */
+
+        state.advance();
+        return true;
+      }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter
+
+
+  pp$8.regexp_eatControlLetter = function (state) {
+    var ch = state.current();
+
+    if (isControlLetter(ch)) {
+      state.lastIntValue = ch % 0x20;
+      state.advance();
+      return true;
+    }
+
+    return false;
+  };
+
+  function isControlLetter(ch) {
+    return ch >= 0x41
+    /* A */
+    && ch <= 0x5A
+    /* Z */
+    || ch >= 0x61
+    /* a */
+    && ch <= 0x7A
+    /* z */
+    ;
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence
+
+
+  pp$8.regexp_eatRegExpUnicodeEscapeSequence = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x75
+    /* u */
+    )) {
+      if (this.regexp_eatFixedHexDigits(state, 4)) {
+        var lead = state.lastIntValue;
+
+        if (state.switchU && lead >= 0xD800 && lead <= 0xDBFF) {
+          var leadSurrogateEnd = state.pos;
+
+          if (state.eat(0x5C
+          /* \ */
+          ) && state.eat(0x75
+          /* u */
+          ) && this.regexp_eatFixedHexDigits(state, 4)) {
+            var trail = state.lastIntValue;
+
+            if (trail >= 0xDC00 && trail <= 0xDFFF) {
+              state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
+              return true;
+            }
+          }
+
+          state.pos = leadSurrogateEnd;
+          state.lastIntValue = lead;
+        }
+
+        return true;
+      }
+
+      if (state.switchU && state.eat(0x7B
+      /* { */
+      ) && this.regexp_eatHexDigits(state) && state.eat(0x7D
+      /* } */
+      ) && isValidUnicode(state.lastIntValue)) {
+        return true;
+      }
+
+      if (state.switchU) {
+        state.raise("Invalid unicode escape");
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  };
+
+  function isValidUnicode(ch) {
+    return ch >= 0 && ch <= 0x10FFFF;
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape
+
+
+  pp$8.regexp_eatIdentityEscape = function (state) {
+    if (state.switchU) {
+      if (this.regexp_eatSyntaxCharacter(state)) {
+        return true;
+      }
+
+      if (state.eat(0x2F
+      /* / */
+      )) {
+        state.lastIntValue = 0x2F;
+        /* / */
+
+        return true;
+      }
+
+      return false;
+    }
+
+    var ch = state.current();
+
+    if (ch !== 0x63
+    /* c */
+    && (!state.switchN || ch !== 0x6B
+    /* k */
+    )) {
+      state.lastIntValue = ch;
+      state.advance();
+      return true;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape
+
+
+  pp$8.regexp_eatDecimalEscape = function (state) {
+    state.lastIntValue = 0;
+    var ch = state.current();
+
+    if (ch >= 0x31
+    /* 1 */
+    && ch <= 0x39
+    /* 9 */
+    ) {
+        do {
+          state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30
+          /* 0 */
+          );
+          state.advance();
+        } while ((ch = state.current()) >= 0x30
+        /* 0 */
+        && ch <= 0x39
+        /* 9 */
+        );
+
+        return true;
+      }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape
+
+
+  pp$8.regexp_eatCharacterClassEscape = function (state) {
+    var ch = state.current();
+
+    if (isCharacterClassEscape(ch)) {
+      state.lastIntValue = -1;
+      state.advance();
+      return true;
+    }
+
+    if (state.switchU && this.options.ecmaVersion >= 9 && (ch === 0x50
+    /* P */
+    || ch === 0x70
+    /* p */
+    )) {
+      state.lastIntValue = -1;
+      state.advance();
+
+      if (state.eat(0x7B
+      /* { */
+      ) && this.regexp_eatUnicodePropertyValueExpression(state) && state.eat(0x7D
+      /* } */
+      )) {
+        return true;
+      }
+
+      state.raise("Invalid property name");
+    }
+
+    return false;
+  };
+
+  function isCharacterClassEscape(ch) {
+    return ch === 0x64
+    /* d */
+    || ch === 0x44
+    /* D */
+    || ch === 0x73
+    /* s */
+    || ch === 0x53
+    /* S */
+    || ch === 0x77
+    /* w */
+    || ch === 0x57
+    /* W */
+    ;
+  } // UnicodePropertyValueExpression ::
+  //   UnicodePropertyName `=` UnicodePropertyValue
+  //   LoneUnicodePropertyNameOrValue
+
+
+  pp$8.regexp_eatUnicodePropertyValueExpression = function (state) {
+    var start = state.pos; // UnicodePropertyName `=` UnicodePropertyValue
+
+    if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D
+    /* = */
+    )) {
+      var name = state.lastStringValue;
+
+      if (this.regexp_eatUnicodePropertyValue(state)) {
+        var value = state.lastStringValue;
+        this.regexp_validateUnicodePropertyNameAndValue(state, name, value);
+        return true;
+      }
+    }
+
+    state.pos = start; // LoneUnicodePropertyNameOrValue
+
+    if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) {
+      var nameOrValue = state.lastStringValue;
+      this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue);
+      return true;
+    }
+
+    return false;
+  };
+
+  pp$8.regexp_validateUnicodePropertyNameAndValue = function (state, name, value) {
+    if (!has(state.unicodeProperties.nonBinary, name)) {
+      state.raise("Invalid property name");
+    }
+
+    if (!state.unicodeProperties.nonBinary[name].test(value)) {
+      state.raise("Invalid property value");
+    }
+  };
+
+  pp$8.regexp_validateUnicodePropertyNameOrValue = function (state, nameOrValue) {
+    if (!state.unicodeProperties.binary.test(nameOrValue)) {
+      state.raise("Invalid property name");
+    }
+  }; // UnicodePropertyName ::
+  //   UnicodePropertyNameCharacters
+
+
+  pp$8.regexp_eatUnicodePropertyName = function (state) {
+    var ch = 0;
+    state.lastStringValue = "";
+
+    while (isUnicodePropertyNameCharacter(ch = state.current())) {
+      state.lastStringValue += codePointToString(ch);
+      state.advance();
+    }
+
+    return state.lastStringValue !== "";
+  };
+
+  function isUnicodePropertyNameCharacter(ch) {
+    return isControlLetter(ch) || ch === 0x5F;
+    /* _ */
+  } // UnicodePropertyValue ::
+  //   UnicodePropertyValueCharacters
+
+
+  pp$8.regexp_eatUnicodePropertyValue = function (state) {
+    var ch = 0;
+    state.lastStringValue = "";
+
+    while (isUnicodePropertyValueCharacter(ch = state.current())) {
+      state.lastStringValue += codePointToString(ch);
+      state.advance();
+    }
+
+    return state.lastStringValue !== "";
+  };
+
+  function isUnicodePropertyValueCharacter(ch) {
+    return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch);
+  } // LoneUnicodePropertyNameOrValue ::
+  //   UnicodePropertyValueCharacters
+
+
+  pp$8.regexp_eatLoneUnicodePropertyNameOrValue = function (state) {
+    return this.regexp_eatUnicodePropertyValue(state);
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass
+
+
+  pp$8.regexp_eatCharacterClass = function (state) {
+    if (state.eat(0x5B
+    /* [ */
+    )) {
+      state.eat(0x5E
+      /* ^ */
+      );
+      this.regexp_classRanges(state);
+
+      if (state.eat(0x5D
+      /* ] */
+      )) {
+        return true;
+      } // Unreachable since it threw "unterminated regular expression" error before.
+
+
+      state.raise("Unterminated character class");
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges
+  // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges
+  // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash
+
+
+  pp$8.regexp_classRanges = function (state) {
+    while (this.regexp_eatClassAtom(state)) {
+      var left = state.lastIntValue;
+
+      if (state.eat(0x2D
+      /* - */
+      ) && this.regexp_eatClassAtom(state)) {
+        var right = state.lastIntValue;
+
+        if (state.switchU && (left === -1 || right === -1)) {
+          state.raise("Invalid character class");
+        }
+
+        if (left !== -1 && right !== -1 && left > right) {
+          state.raise("Range out of order in character class");
+        }
+      }
+    }
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom
+  // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash
+
+
+  pp$8.regexp_eatClassAtom = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x5C
+    /* \ */
+    )) {
+      if (this.regexp_eatClassEscape(state)) {
+        return true;
+      }
+
+      if (state.switchU) {
+        // Make the same message as V8.
+        var ch$1 = state.current();
+
+        if (ch$1 === 0x63
+        /* c */
+        || isOctalDigit(ch$1)) {
+          state.raise("Invalid class escape");
+        }
+
+        state.raise("Invalid escape");
+      }
+
+      state.pos = start;
+    }
+
+    var ch = state.current();
+
+    if (ch !== 0x5D
+    /* ] */
+    ) {
+        state.lastIntValue = ch;
+        state.advance();
+        return true;
+      }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape
+
+
+  pp$8.regexp_eatClassEscape = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x62
+    /* b */
+    )) {
+      state.lastIntValue = 0x08;
+      /* <BS> */
+
+      return true;
+    }
+
+    if (state.switchU && state.eat(0x2D
+    /* - */
+    )) {
+      state.lastIntValue = 0x2D;
+      /* - */
+
+      return true;
+    }
+
+    if (!state.switchU && state.eat(0x63
+    /* c */
+    )) {
+      if (this.regexp_eatClassControlLetter(state)) {
+        return true;
+      }
+
+      state.pos = start;
+    }
+
+    return this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state);
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter
+
+
+  pp$8.regexp_eatClassControlLetter = function (state) {
+    var ch = state.current();
+
+    if (isDecimalDigit(ch) || ch === 0x5F
+    /* _ */
+    ) {
+        state.lastIntValue = ch % 0x20;
+        state.advance();
+        return true;
+      }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence
+
+
+  pp$8.regexp_eatHexEscapeSequence = function (state) {
+    var start = state.pos;
+
+    if (state.eat(0x78
+    /* x */
+    )) {
+      if (this.regexp_eatFixedHexDigits(state, 2)) {
+        return true;
+      }
+
+      if (state.switchU) {
+        state.raise("Invalid escape");
+      }
+
+      state.pos = start;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits
+
+
+  pp$8.regexp_eatDecimalDigits = function (state) {
+    var start = state.pos;
+    var ch = 0;
+    state.lastIntValue = 0;
+
+    while (isDecimalDigit(ch = state.current())) {
+      state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30
+      /* 0 */
+      );
+      state.advance();
+    }
+
+    return state.pos !== start;
+  };
+
+  function isDecimalDigit(ch) {
+    return ch >= 0x30
+    /* 0 */
+    && ch <= 0x39;
+    /* 9 */
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits
+
+
+  pp$8.regexp_eatHexDigits = function (state) {
+    var start = state.pos;
+    var ch = 0;
+    state.lastIntValue = 0;
+
+    while (isHexDigit(ch = state.current())) {
+      state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);
+      state.advance();
+    }
+
+    return state.pos !== start;
+  };
+
+  function isHexDigit(ch) {
+    return ch >= 0x30
+    /* 0 */
+    && ch <= 0x39
+    /* 9 */
+    || ch >= 0x41
+    /* A */
+    && ch <= 0x46
+    /* F */
+    || ch >= 0x61
+    /* a */
+    && ch <= 0x66
+    /* f */
+    ;
+  }
+
+  function hexToInt(ch) {
+    if (ch >= 0x41
+    /* A */
+    && ch <= 0x46
+    /* F */
+    ) {
+        return 10 + (ch - 0x41
+        /* A */
+        );
+      }
+
+    if (ch >= 0x61
+    /* a */
+    && ch <= 0x66
+    /* f */
+    ) {
+        return 10 + (ch - 0x61
+        /* a */
+        );
+      }
+
+    return ch - 0x30;
+    /* 0 */
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence
+  // Allows only 0-377(octal) i.e. 0-255(decimal).
+
+
+  pp$8.regexp_eatLegacyOctalEscapeSequence = function (state) {
+    if (this.regexp_eatOctalDigit(state)) {
+      var n1 = state.lastIntValue;
+
+      if (this.regexp_eatOctalDigit(state)) {
+        var n2 = state.lastIntValue;
+
+        if (n1 <= 3 && this.regexp_eatOctalDigit(state)) {
+          state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue;
+        } else {
+          state.lastIntValue = n1 * 8 + n2;
+        }
+      } else {
+        state.lastIntValue = n1;
+      }
+
+      return true;
+    }
+
+    return false;
+  }; // https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit
+
+
+  pp$8.regexp_eatOctalDigit = function (state) {
+    var ch = state.current();
+
+    if (isOctalDigit(ch)) {
+      state.lastIntValue = ch - 0x30;
+      /* 0 */
+
+      state.advance();
+      return true;
+    }
+
+    state.lastIntValue = 0;
+    return false;
+  };
+
+  function isOctalDigit(ch) {
+    return ch >= 0x30
+    /* 0 */
+    && ch <= 0x37;
+    /* 7 */
+  } // https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits
+  // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit
+  // And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence
+
+
+  pp$8.regexp_eatFixedHexDigits = function (state, length) {
+    var start = state.pos;
+    state.lastIntValue = 0;
+
+    for (var i = 0; i < length; ++i) {
+      var ch = state.current();
+
+      if (!isHexDigit(ch)) {
+        state.pos = start;
+        return false;
+      }
+
+      state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch);
+      state.advance();
+    }
+
+    return true;
+  }; // Object type used to represent tokens. Note that normally, tokens
+  // simply exist as properties on the parser object. This is only
+  // used for the onToken callback and the external tokenizer.
+
+
+  var Token = function Token(p) {
+    this.type = p.type;
+    this.value = p.value;
+    this.start = p.start;
+    this.end = p.end;
+
+    if (p.options.locations) {
+      this.loc = new SourceLocation(p, p.startLoc, p.endLoc);
+    }
+
+    if (p.options.ranges) {
+      this.range = [p.start, p.end];
+    }
+  }; // ## Tokenizer
+
+
+  var pp$9 = Parser.prototype; // Move to the next token
+
+  pp$9.next = function (ignoreEscapeSequenceInKeyword) {
+    if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) {
+      this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword);
+    }
+
+    if (this.options.onToken) {
+      this.options.onToken(new Token(this));
+    }
+
+    this.lastTokEnd = this.end;
+    this.lastTokStart = this.start;
+    this.lastTokEndLoc = this.endLoc;
+    this.lastTokStartLoc = this.startLoc;
+    this.nextToken();
+  };
+
+  pp$9.getToken = function () {
+    this.next();
+    return new Token(this);
+  }; // If we're in an ES6 environment, make parsers iterable
+
+
+  if (typeof Symbol !== "undefined") {
+    pp$9[Symbol.iterator] = function () {
+      var this$1 = this;
+      return {
+        next: function next() {
+          var token = this$1.getToken();
+          return {
+            done: token.type === types.eof,
+            value: token
+          };
+        }
+      };
+    };
+  } // Toggle strict mode. Re-reads the next number or string to please
+  // pedantic tests (`"use strict"; 010;` should fail).
+
+
+  pp$9.curContext = function () {
+    return this.context[this.context.length - 1];
+  }; // Read a single token, updating the parser object's token-related
+  // properties.
+
+
+  pp$9.nextToken = function () {
+    var curContext = this.curContext();
+
+    if (!curContext || !curContext.preserveSpace) {
+      this.skipSpace();
+    }
+
+    this.start = this.pos;
+
+    if (this.options.locations) {
+      this.startLoc = this.curPosition();
+    }
+
+    if (this.pos >= this.input.length) {
+      return this.finishToken(types.eof);
+    }
+
+    if (curContext.override) {
+      return curContext.override(this);
+    } else {
+      this.readToken(this.fullCharCodeAtPos());
+    }
+  };
+
+  pp$9.readToken = function (code) {
+    // Identifier or keyword. '\uXXXX' sequences are allowed in
+    // identifiers, so '\' also dispatches to that.
+    if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92
+    /* '\' */
+    ) {
+        return this.readWord();
+      }
+
+    return this.getTokenFromCode(code);
+  };
+
+  pp$9.fullCharCodeAtPos = function () {
+    var code = this.input.charCodeAt(this.pos);
+
+    if (code <= 0xd7ff || code >= 0xe000) {
+      return code;
+    }
+
+    var next = this.input.charCodeAt(this.pos + 1);
+    return (code << 10) + next - 0x35fdc00;
+  };
+
+  pp$9.skipBlockComment = function () {
+    var startLoc = this.options.onComment && this.curPosition();
+    var start = this.pos,
+        end = this.input.indexOf("*/", this.pos += 2);
+
+    if (end === -1) {
+      this.raise(this.pos - 2, "Unterminated comment");
+    }
+
+    this.pos = end + 2;
+
+    if (this.options.locations) {
+      lineBreakG.lastIndex = start;
+      var match;
+
+      while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {
+        ++this.curLine;
+        this.lineStart = match.index + match[0].length;
+      }
+    }
+
+    if (this.options.onComment) {
+      this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, startLoc, this.curPosition());
+    }
+  };
+
+  pp$9.skipLineComment = function (startSkip) {
+    var start = this.pos;
+    var startLoc = this.options.onComment && this.curPosition();
+    var ch = this.input.charCodeAt(this.pos += startSkip);
+
+    while (this.pos < this.input.length && !isNewLine(ch)) {
+      ch = this.input.charCodeAt(++this.pos);
+    }
+
+    if (this.options.onComment) {
+      this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, startLoc, this.curPosition());
+    }
+  }; // Called at the start of the parse and after every token. Skips
+  // whitespace and comments, and.
+
+
+  pp$9.skipSpace = function () {
+    loop: while (this.pos < this.input.length) {
+      var ch = this.input.charCodeAt(this.pos);
+
+      switch (ch) {
+        case 32:
+        case 160:
+          // ' '
+          ++this.pos;
+          break;
+
+        case 13:
+          if (this.input.charCodeAt(this.pos + 1) === 10) {
+            ++this.pos;
+          }
+
+        case 10:
+        case 8232:
+        case 8233:
+          ++this.pos;
+
+          if (this.options.locations) {
+            ++this.curLine;
+            this.lineStart = this.pos;
+          }
+
+          break;
+
+        case 47:
+          // '/'
+          switch (this.input.charCodeAt(this.pos + 1)) {
+            case 42:
+              // '*'
+              this.skipBlockComment();
+              break;
+
+            case 47:
+              this.skipLineComment(2);
+              break;
+
+            default:
+              break loop;
+          }
+
+          break;
+
+        default:
+          if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {
+            ++this.pos;
+          } else {
+            break loop;
+          }
+
+      }
+    }
+  }; // Called at the end of every token. Sets `end`, `val`, and
+  // maintains `context` and `exprAllowed`, and skips the space after
+  // the token, so that the next one's `start` will point at the
+  // right position.
+
+
+  pp$9.finishToken = function (type, val) {
+    this.end = this.pos;
+
+    if (this.options.locations) {
+      this.endLoc = this.curPosition();
+    }
+
+    var prevType = this.type;
+    this.type = type;
+    this.value = val;
+    this.updateContext(prevType);
+  }; // ### Token reading
+  // This is the function that is called to fetch the next token. It
+  // is somewhat obscure, because it works in character codes rather
+  // than characters, and because operator parsing has been inlined
+  // into it.
+  //
+  // All in the name of speed.
+  //
+
+
+  pp$9.readToken_dot = function () {
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (next >= 48 && next <= 57) {
+      return this.readNumber(true);
+    }
+
+    var next2 = this.input.charCodeAt(this.pos + 2);
+
+    if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) {
+      // 46 = dot '.'
+      this.pos += 3;
+      return this.finishToken(types.ellipsis);
+    } else {
+      ++this.pos;
+      return this.finishToken(types.dot);
+    }
+  };
+
+  pp$9.readToken_slash = function () {
+    // '/'
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (this.exprAllowed) {
+      ++this.pos;
+      return this.readRegexp();
+    }
+
+    if (next === 61) {
+      return this.finishOp(types.assign, 2);
+    }
+
+    return this.finishOp(types.slash, 1);
+  };
+
+  pp$9.readToken_mult_modulo_exp = function (code) {
+    // '%*'
+    var next = this.input.charCodeAt(this.pos + 1);
+    var size = 1;
+    var tokentype = code === 42 ? types.star : types.modulo; // exponentiation operator ** and **=
+
+    if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) {
+      ++size;
+      tokentype = types.starstar;
+      next = this.input.charCodeAt(this.pos + 2);
+    }
+
+    if (next === 61) {
+      return this.finishOp(types.assign, size + 1);
+    }
+
+    return this.finishOp(tokentype, size);
+  };
+
+  pp$9.readToken_pipe_amp = function (code) {
+    // '|&'
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (next === code) {
+      return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2);
+    }
+
+    if (next === 61) {
+      return this.finishOp(types.assign, 2);
+    }
+
+    return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1);
+  };
+
+  pp$9.readToken_caret = function () {
+    // '^'
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (next === 61) {
+      return this.finishOp(types.assign, 2);
+    }
+
+    return this.finishOp(types.bitwiseXOR, 1);
+  };
+
+  pp$9.readToken_plus_min = function (code) {
+    // '+-'
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (next === code) {
+      if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) {
+        // A `-->` line comment
+        this.skipLineComment(3);
+        this.skipSpace();
+        return this.nextToken();
+      }
+
+      return this.finishOp(types.incDec, 2);
+    }
+
+    if (next === 61) {
+      return this.finishOp(types.assign, 2);
+    }
+
+    return this.finishOp(types.plusMin, 1);
+  };
+
+  pp$9.readToken_lt_gt = function (code) {
+    // '<>'
+    var next = this.input.charCodeAt(this.pos + 1);
+    var size = 1;
+
+    if (next === code) {
+      size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2;
+
+      if (this.input.charCodeAt(this.pos + size) === 61) {
+        return this.finishOp(types.assign, size + 1);
+      }
+
+      return this.finishOp(types.bitShift, size);
+    }
+
+    if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && this.input.charCodeAt(this.pos + 3) === 45) {
+      // `<!--`, an XML-style comment that should be interpreted as a line comment
+      this.skipLineComment(4);
+      this.skipSpace();
+      return this.nextToken();
+    }
+
+    if (next === 61) {
+      size = 2;
+    }
+
+    return this.finishOp(types.relational, size);
+  };
+
+  pp$9.readToken_eq_excl = function (code) {
+    // '=!'
+    var next = this.input.charCodeAt(this.pos + 1);
+
+    if (next === 61) {
+      return this.finishOp(types.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2);
+    }
+
+    if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) {
+      // '=>'
+      this.pos += 2;
+      return this.finishToken(types.arrow);
+    }
+
+    return this.finishOp(code === 61 ? types.eq : types.prefix, 1);
+  };
+
+  pp$9.getTokenFromCode = function (code) {
+    switch (code) {
+      // The interpretation of a dot depends on whether it is followed
+      // by a digit or another two dots.
+      case 46:
+        // '.'
+        return this.readToken_dot();
+      // Punctuation tokens.
+
+      case 40:
+        ++this.pos;
+        return this.finishToken(types.parenL);
+
+      case 41:
+        ++this.pos;
+        return this.finishToken(types.parenR);
+
+      case 59:
+        ++this.pos;
+        return this.finishToken(types.semi);
+
+      case 44:
+        ++this.pos;
+        return this.finishToken(types.comma);
+
+      case 91:
+        ++this.pos;
+        return this.finishToken(types.bracketL);
+
+      case 93:
+        ++this.pos;
+        return this.finishToken(types.bracketR);
+
+      case 123:
+        ++this.pos;
+        return this.finishToken(types.braceL);
+
+      case 125:
+        ++this.pos;
+        return this.finishToken(types.braceR);
+
+      case 58:
+        ++this.pos;
+        return this.finishToken(types.colon);
+
+      case 63:
+        ++this.pos;
+        return this.finishToken(types.question);
+
+      case 96:
+        // '`'
+        if (this.options.ecmaVersion < 6) {
+          break;
+        }
+
+        ++this.pos;
+        return this.finishToken(types.backQuote);
+
+      case 48:
+        // '0'
+        var next = this.input.charCodeAt(this.pos + 1);
+
+        if (next === 120 || next === 88) {
+          return this.readRadixNumber(16);
+        } // '0x', '0X' - hex number
+
+
+        if (this.options.ecmaVersion >= 6) {
+          if (next === 111 || next === 79) {
+            return this.readRadixNumber(8);
+          } // '0o', '0O' - octal number
+
+
+          if (next === 98 || next === 66) {
+            return this.readRadixNumber(2);
+          } // '0b', '0B' - binary number
+
+        }
+
+      // Anything else beginning with a digit is an integer, octal
+      // number, or float.
+
+      case 49:
+      case 50:
+      case 51:
+      case 52:
+      case 53:
+      case 54:
+      case 55:
+      case 56:
+      case 57:
+        // 1-9
+        return this.readNumber(false);
+      // Quotes produce strings.
+
+      case 34:
+      case 39:
+        // '"', "'"
+        return this.readString(code);
+      // Operators are parsed inline in tiny state machines. '=' (61) is
+      // often referred to. `finishOp` simply skips the amount of
+      // characters it is given as second argument, and returns a token
+      // of the type given by its first argument.
+
+      case 47:
+        // '/'
+        return this.readToken_slash();
+
+      case 37:
+      case 42:
+        // '%*'
+        return this.readToken_mult_modulo_exp(code);
+
+      case 124:
+      case 38:
+        // '|&'
+        return this.readToken_pipe_amp(code);
+
+      case 94:
+        // '^'
+        return this.readToken_caret();
+
+      case 43:
+      case 45:
+        // '+-'
+        return this.readToken_plus_min(code);
+
+      case 60:
+      case 62:
+        // '<>'
+        return this.readToken_lt_gt(code);
+
+      case 61:
+      case 33:
+        // '=!'
+        return this.readToken_eq_excl(code);
+
+      case 126:
+        // '~'
+        return this.finishOp(types.prefix, 1);
+    }
+
+    this.raise(this.pos, "Unexpected character '" + codePointToString$1(code) + "'");
+  };
+
+  pp$9.finishOp = function (type, size) {
+    var str = this.input.slice(this.pos, this.pos + size);
+    this.pos += size;
+    return this.finishToken(type, str);
+  };
+
+  pp$9.readRegexp = function () {
+    var escaped,
+        inClass,
+        start = this.pos;
+
+    for (;;) {
+      if (this.pos >= this.input.length) {
+        this.raise(start, "Unterminated regular expression");
+      }
+
+      var ch = this.input.charAt(this.pos);
+
+      if (lineBreak.test(ch)) {
+        this.raise(start, "Unterminated regular expression");
+      }
+
+      if (!escaped) {
+        if (ch === "[") {
+          inClass = true;
+        } else if (ch === "]" && inClass) {
+          inClass = false;
+        } else if (ch === "/" && !inClass) {
+          break;
+        }
+
+        escaped = ch === "\\";
+      } else {
+        escaped = false;
+      }
+
+      ++this.pos;
+    }
+
+    var pattern = this.input.slice(start, this.pos);
+    ++this.pos;
+    var flagsStart = this.pos;
+    var flags = this.readWord1();
+
+    if (this.containsEsc) {
+      this.unexpected(flagsStart);
+    } // Validate pattern
+
+
+    var state = this.regexpState || (this.regexpState = new RegExpValidationState(this));
+    state.reset(start, pattern, flags);
+    this.validateRegExpFlags(state);
+    this.validateRegExpPattern(state); // Create Literal#value property value.
+
+    var value = null;
+
+    try {
+      value = new RegExp(pattern, flags);
+    } catch (e) {// ESTree requires null if it failed to instantiate RegExp object.
+      // https://github.com/estree/estree/blob/a27003adf4fd7bfad44de9cef372a2eacd527b1c/es5.md#regexpliteral
+    }
+
+    return this.finishToken(types.regexp, {
+      pattern: pattern,
+      flags: flags,
+      value: value
+    });
+  }; // Read an integer in the given radix. Return null if zero digits
+  // were read, the integer value otherwise. When `len` is given, this
+  // will return `null` unless the integer has exactly `len` digits.
+
+
+  pp$9.readInt = function (radix, len) {
+    var start = this.pos,
+        total = 0;
+
+    for (var i = 0, e = len == null ? Infinity : len; i < e; ++i) {
+      var code = this.input.charCodeAt(this.pos),
+          val = void 0;
+
+      if (code >= 97) {
+        val = code - 97 + 10;
+      } // a
+      else if (code >= 65) {
+          val = code - 65 + 10;
+        } // A
+        else if (code >= 48 && code <= 57) {
+            val = code - 48;
+          } // 0-9
+          else {
+              val = Infinity;
+            }
+
+      if (val >= radix) {
+        break;
+      }
+
+      ++this.pos;
+      total = total * radix + val;
+    }
+
+    if (this.pos === start || len != null && this.pos - start !== len) {
+      return null;
+    }
+
+    return total;
+  };
+
+  pp$9.readRadixNumber = function (radix) {
+    var start = this.pos;
+    this.pos += 2; // 0x
+
+    var val = this.readInt(radix);
+
+    if (val == null) {
+      this.raise(this.start + 2, "Expected number in radix " + radix);
+    }
+
+    if (this.options.ecmaVersion >= 11 && this.input.charCodeAt(this.pos) === 110) {
+      val = typeof BigInt !== "undefined" ? BigInt(this.input.slice(start, this.pos)) : null;
+      ++this.pos;
+    } else if (isIdentifierStart(this.fullCharCodeAtPos())) {
+      this.raise(this.pos, "Identifier directly after number");
+    }
+
+    return this.finishToken(types.num, val);
+  }; // Read an integer, octal integer, or floating-point number.
+
+
+  pp$9.readNumber = function (startsWithDot) {
+    var start = this.pos;
+
+    if (!startsWithDot && this.readInt(10) === null) {
+      this.raise(start, "Invalid number");
+    }
+
+    var octal = this.pos - start >= 2 && this.input.charCodeAt(start) === 48;
+
+    if (octal && this.strict) {
+      this.raise(start, "Invalid number");
+    }
+
+    var next = this.input.charCodeAt(this.pos);
+
+    if (!octal && !startsWithDot && this.options.ecmaVersion >= 11 && next === 110) {
+      var str$1 = this.input.slice(start, this.pos);
+      var val$1 = typeof BigInt !== "undefined" ? BigInt(str$1) : null;
+      ++this.pos;
+
+      if (isIdentifierStart(this.fullCharCodeAtPos())) {
+        this.raise(this.pos, "Identifier directly after number");
+      }
+
+      return this.finishToken(types.num, val$1);
+    }
+
+    if (octal && /[89]/.test(this.input.slice(start, this.pos))) {
+      octal = false;
+    }
+
+    if (next === 46 && !octal) {
+      // '.'
+      ++this.pos;
+      this.readInt(10);
+      next = this.input.charCodeAt(this.pos);
+    }
+
+    if ((next === 69 || next === 101) && !octal) {
+      // 'eE'
+      next = this.input.charCodeAt(++this.pos);
+
+      if (next === 43 || next === 45) {
+        ++this.pos;
+      } // '+-'
+
+
+      if (this.readInt(10) === null) {
+        this.raise(start, "Invalid number");
+      }
+    }
+
+    if (isIdentifierStart(this.fullCharCodeAtPos())) {
+      this.raise(this.pos, "Identifier directly after number");
+    }
+
+    var str = this.input.slice(start, this.pos);
+    var val = octal ? parseInt(str, 8) : parseFloat(str);
+    return this.finishToken(types.num, val);
+  }; // Read a string value, interpreting backslash-escapes.
+
+
+  pp$9.readCodePoint = function () {
+    var ch = this.input.charCodeAt(this.pos),
+        code;
+
+    if (ch === 123) {
+      // '{'
+      if (this.options.ecmaVersion < 6) {
+        this.unexpected();
+      }
+
+      var codePos = ++this.pos;
+      code = this.readHexChar(this.input.indexOf("}", this.pos) - this.pos);
+      ++this.pos;
+
+      if (code > 0x10FFFF) {
+        this.invalidStringToken(codePos, "Code point out of bounds");
+      }
+    } else {
+      code = this.readHexChar(4);
+    }
+
+    return code;
+  };
+
+  function codePointToString$1(code) {
+    // UTF-16 Decoding
+    if (code <= 0xFFFF) {
+      return String.fromCharCode(code);
+    }
+
+    code -= 0x10000;
+    return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00);
+  }
+
+  pp$9.readString = function (quote) {
+    var out = "",
+        chunkStart = ++this.pos;
+
+    for (;;) {
+      if (this.pos >= this.input.length) {
+        this.raise(this.start, "Unterminated string constant");
+      }
+
+      var ch = this.input.charCodeAt(this.pos);
+
+      if (ch === quote) {
+        break;
+      }
+
+      if (ch === 92) {
+        // '\'
+        out += this.input.slice(chunkStart, this.pos);
+        out += this.readEscapedChar(false);
+        chunkStart = this.pos;
+      } else {
+        if (isNewLine(ch, this.options.ecmaVersion >= 10)) {
+          this.raise(this.start, "Unterminated string constant");
+        }
+
+        ++this.pos;
+      }
+    }
+
+    out += this.input.slice(chunkStart, this.pos++);
+    return this.finishToken(types.string, out);
+  }; // Reads template string tokens.
+
+
+  var INVALID_TEMPLATE_ESCAPE_ERROR = {};
+
+  pp$9.tryReadTemplateToken = function () {
+    this.inTemplateElement = true;
+
+    try {
+      this.readTmplToken();
+    } catch (err) {
+      if (err === INVALID_TEMPLATE_ESCAPE_ERROR) {
+        this.readInvalidTemplateToken();
+      } else {
+        throw err;
+      }
+    }
+
+    this.inTemplateElement = false;
+  };
+
+  pp$9.invalidStringToken = function (position, message) {
+    if (this.inTemplateElement && this.options.ecmaVersion >= 9) {
+      throw INVALID_TEMPLATE_ESCAPE_ERROR;
+    } else {
+      this.raise(position, message);
+    }
+  };
+
+  pp$9.readTmplToken = function () {
+    var out = "",
+        chunkStart = this.pos;
+
+    for (;;) {
+      if (this.pos >= this.input.length) {
+        this.raise(this.start, "Unterminated template");
+      }
+
+      var ch = this.input.charCodeAt(this.pos);
+
+      if (ch === 96 || ch === 36 && this.input.charCodeAt(this.pos + 1) === 123) {
+        // '`', '${'
+        if (this.pos === this.start && (this.type === types.template || this.type === types.invalidTemplate)) {
+          if (ch === 36) {
+            this.pos += 2;
+            return this.finishToken(types.dollarBraceL);
+          } else {
+            ++this.pos;
+            return this.finishToken(types.backQuote);
+          }
+        }
+
+        out += this.input.slice(chunkStart, this.pos);
+        return this.finishToken(types.template, out);
+      }
+
+      if (ch === 92) {
+        // '\'
+        out += this.input.slice(chunkStart, this.pos);
+        out += this.readEscapedChar(true);
+        chunkStart = this.pos;
+      } else if (isNewLine(ch)) {
+        out += this.input.slice(chunkStart, this.pos);
+        ++this.pos;
+
+        switch (ch) {
+          case 13:
+            if (this.input.charCodeAt(this.pos) === 10) {
+              ++this.pos;
+            }
+
+          case 10:
+            out += "\n";
+            break;
+
+          default:
+            out += String.fromCharCode(ch);
+            break;
+        }
+
+        if (this.options.locations) {
+          ++this.curLine;
+          this.lineStart = this.pos;
+        }
+
+        chunkStart = this.pos;
+      } else {
+        ++this.pos;
+      }
+    }
+  }; // Reads a template token to search for the end, without validating any escape sequences
+
+
+  pp$9.readInvalidTemplateToken = function () {
+    for (; this.pos < this.input.length; this.pos++) {
+      switch (this.input[this.pos]) {
+        case "\\":
+          ++this.pos;
+          break;
+
+        case "$":
+          if (this.input[this.pos + 1] !== "{") {
+            break;
+          }
+
+        // falls through
+
+        case "`":
+          return this.finishToken(types.invalidTemplate, this.input.slice(this.start, this.pos));
+        // no default
+      }
+    }
+
+    this.raise(this.start, "Unterminated template");
+  }; // Used to read escaped characters
+
+
+  pp$9.readEscapedChar = function (inTemplate) {
+    var ch = this.input.charCodeAt(++this.pos);
+    ++this.pos;
+
+    switch (ch) {
+      case 110:
+        return "\n";
+      // 'n' -> '\n'
+
+      case 114:
+        return "\r";
+      // 'r' -> '\r'
+
+      case 120:
+        return String.fromCharCode(this.readHexChar(2));
+      // 'x'
+
+      case 117:
+        return codePointToString$1(this.readCodePoint());
+      // 'u'
+
+      case 116:
+        return "\t";
+      // 't' -> '\t'
+
+      case 98:
+        return "\b";
+      // 'b' -> '\b'
+
+      case 118:
+        return "\u000b";
+      // 'v' -> '\u000b'
+
+      case 102:
+        return "\f";
+      // 'f' -> '\f'
+
+      case 13:
+        if (this.input.charCodeAt(this.pos) === 10) {
+          ++this.pos;
+        }
+
+      // '\r\n'
+
+      case 10:
+        // ' \n'
+        if (this.options.locations) {
+          this.lineStart = this.pos;
+          ++this.curLine;
+        }
+
+        return "";
+
+      case 56:
+      case 57:
+        if (inTemplate) {
+          var codePos = this.pos - 1;
+          this.invalidStringToken(codePos, "Invalid escape sequence in template string");
+          return null;
+        }
+
+      default:
+        if (ch >= 48 && ch <= 55) {
+          var octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0];
+          var octal = parseInt(octalStr, 8);
+
+          if (octal > 255) {
+            octalStr = octalStr.slice(0, -1);
+            octal = parseInt(octalStr, 8);
+          }
+
+          this.pos += octalStr.length - 1;
+          ch = this.input.charCodeAt(this.pos);
+
+          if ((octalStr !== "0" || ch === 56 || ch === 57) && (this.strict || inTemplate)) {
+            this.invalidStringToken(this.pos - 1 - octalStr.length, inTemplate ? "Octal literal in template string" : "Octal literal in strict mode");
+          }
+
+          return String.fromCharCode(octal);
+        }
+
+        if (isNewLine(ch)) {
+          // Unicode new line characters after \ get removed from output in both
+          // template literals and strings
+          return "";
+        }
+
+        return String.fromCharCode(ch);
+    }
+  }; // Used to read character escape sequences ('\x', '\u', '\U').
+
+
+  pp$9.readHexChar = function (len) {
+    var codePos = this.pos;
+    var n = this.readInt(16, len);
+
+    if (n === null) {
+      this.invalidStringToken(codePos, "Bad character escape sequence");
+    }
+
+    return n;
+  }; // Read an identifier, and return it as a string. Sets `this.containsEsc`
+  // to whether the word contained a '\u' escape.
+  //
+  // Incrementally adds only escaped chars, adding other chunks as-is
+  // as a micro-optimization.
+
+
+  pp$9.readWord1 = function () {
+    this.containsEsc = false;
+    var word = "",
+        first = true,
+        chunkStart = this.pos;
+    var astral = this.options.ecmaVersion >= 6;
+
+    while (this.pos < this.input.length) {
+      var ch = this.fullCharCodeAtPos();
+
+      if (isIdentifierChar(ch, astral)) {
+        this.pos += ch <= 0xffff ? 1 : 2;
+      } else if (ch === 92) {
+        // "\"
+        this.containsEsc = true;
+        word += this.input.slice(chunkStart, this.pos);
+        var escStart = this.pos;
+
+        if (this.input.charCodeAt(++this.pos) !== 117) // "u"
+          {
+            this.invalidStringToken(this.pos, "Expecting Unicode escape sequence \\uXXXX");
+          }
+
+        ++this.pos;
+        var esc = this.readCodePoint();
+
+        if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral)) {
+          this.invalidStringToken(escStart, "Invalid Unicode escape");
+        }
+
+        word += codePointToString$1(esc);
+        chunkStart = this.pos;
+      } else {
+        break;
+      }
+
+      first = false;
+    }
+
+    return word + this.input.slice(chunkStart, this.pos);
+  }; // Read an identifier or keyword token. Will check for reserved
+  // words when necessary.
+
+
+  pp$9.readWord = function () {
+    var word = this.readWord1();
+    var type = types.name;
+
+    if (this.keywords.test(word)) {
+      type = keywords$1[word];
+    }
+
+    return this.finishToken(type, word);
+  }; // Acorn is a tiny, fast JavaScript parser written in JavaScript.
+
+
+  var version = "7.1.0";
+  Parser.acorn = {
+    Parser: Parser,
+    version: version,
+    defaultOptions: defaultOptions,
+    Position: Position,
+    SourceLocation: SourceLocation,
+    getLineInfo: getLineInfo,
+    Node: Node,
+    TokenType: TokenType,
+    tokTypes: types,
+    keywordTypes: keywords$1,
+    TokContext: TokContext,
+    tokContexts: types$1,
+    isIdentifierChar: isIdentifierChar,
+    isIdentifierStart: isIdentifierStart,
+    Token: Token,
+    isNewLine: isNewLine,
+    lineBreak: lineBreak,
+    lineBreakG: lineBreakG,
+    nonASCIIwhitespace: nonASCIIwhitespace
+  }; // The main exported interface (under `self.acorn` when in the
+  // browser) is a `parse` function that takes a code string and
+  // returns an abstract syntax tree as specified by [Mozilla parser
+  // API][api].
+  //
+  // [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
+
+  function parse(input, options) {
+    return Parser.parse(input, options);
+  } // This function tries to parse a single expression at a given
+  // offset in a string. Useful for parsing mixed-language formats
+  // that embed JavaScript expressions.
+
+
+  function parseExpressionAt(input, pos, options) {
+    return Parser.parseExpressionAt(input, pos, options);
+  } // Acorn is organized as a tokenizer and a recursive-descent parser.
+  // The `tokenizer` export provides an interface to the tokenizer.
+
+
+  function tokenizer(input, options) {
+    return Parser.tokenizer(input, options);
+  }
+
+  exports.Node = Node;
+  exports.Parser = Parser;
+  exports.Position = Position;
+  exports.SourceLocation = SourceLocation;
+  exports.TokContext = TokContext;
+  exports.Token = Token;
+  exports.TokenType = TokenType;
+  exports.defaultOptions = defaultOptions;
+  exports.getLineInfo = getLineInfo;
+  exports.isIdentifierChar = isIdentifierChar;
+  exports.isIdentifierStart = isIdentifierStart;
+  exports.isNewLine = isNewLine;
+  exports.keywordTypes = keywords$1;
+  exports.lineBreak = lineBreak;
+  exports.lineBreakG = lineBreakG;
+  exports.nonASCIIwhitespace = nonASCIIwhitespace;
+  exports.parse = parse;
+  exports.parseExpressionAt = parseExpressionAt;
+  exports.tokContexts = types$1;
+  exports.tokTypes = types;
+  exports.tokenizer = tokenizer;
+  exports.version = version;
+  Object.defineProperty(exports, '__esModule', {
+    value: true
+  });
+});
+
+/***/ }),
+/* 396 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const XHTMLEntities = __webpack_require__(397);
+
+const hexNumber = /^[\da-fA-F]+$/;
+const decimalNumber = /^\d+$/; // The map to `acorn-jsx` tokens from `acorn` namespace objects.
+
+const acornJsxMap = new WeakMap(); // Get the original tokens for the given `acorn` namespace object.
+
+function getJsxTokens(acorn) {
+  acorn = acorn.Parser.acorn || acorn;
+  let acornJsx = acornJsxMap.get(acorn);
+
+  if (!acornJsx) {
+    const tt = acorn.tokTypes;
+    const TokContext = acorn.TokContext;
+    const TokenType = acorn.TokenType;
+    const tc_oTag = new TokContext('<tag', false);
+    const tc_cTag = new TokContext('</tag', false);
+    const tc_expr = new TokContext('<tag>...</tag>', true, true);
+    const tokContexts = {
+      tc_oTag: tc_oTag,
+      tc_cTag: tc_cTag,
+      tc_expr: tc_expr
+    };
+    const tokTypes = {
+      jsxName: new TokenType('jsxName'),
+      jsxText: new TokenType('jsxText', {
+        beforeExpr: true
+      }),
+      jsxTagStart: new TokenType('jsxTagStart'),
+      jsxTagEnd: new TokenType('jsxTagEnd')
+    };
+
+    tokTypes.jsxTagStart.updateContext = function () {
+      this.context.push(tc_expr); // treat as beginning of JSX expression
+
+      this.context.push(tc_oTag); // start opening tag context
+
+      this.exprAllowed = false;
+    };
+
+    tokTypes.jsxTagEnd.updateContext = function (prevType) {
+      let out = this.context.pop();
+
+      if (out === tc_oTag && prevType === tt.slash || out === tc_cTag) {
+        this.context.pop();
+        this.exprAllowed = this.curContext() === tc_expr;
+      } else {
+        this.exprAllowed = true;
+      }
+    };
+
+    acornJsx = {
+      tokContexts: tokContexts,
+      tokTypes: tokTypes
+    };
+    acornJsxMap.set(acorn, acornJsx);
+  }
+
+  return acornJsx;
+} // Transforms JSX element name to string.
+
+
+function getQualifiedJSXName(object) {
+  if (!object) return object;
+  if (object.type === 'JSXIdentifier') return object.name;
+  if (object.type === 'JSXNamespacedName') return object.namespace.name + ':' + object.name.name;
+  if (object.type === 'JSXMemberExpression') return getQualifiedJSXName(object.object) + '.' + getQualifiedJSXName(object.property);
+}
+
+module.exports = function (options) {
+  options = options || {};
+  return function (Parser) {
+    return plugin({
+      allowNamespaces: options.allowNamespaces !== false,
+      allowNamespacedObjects: !!options.allowNamespacedObjects
+    }, Parser);
+  };
+}; // This is `tokTypes` of the peer dep.
+// This can be different instances from the actual `tokTypes` this plugin uses.
+
+
+Object.defineProperty(module.exports, "tokTypes", {
+  get: function get_tokTypes() {
+    return getJsxTokens(__webpack_require__(395)).tokTypes;
+  },
+  configurable: true,
+  enumerable: true
+});
+
+function plugin(options, Parser) {
+  const acorn = Parser.acorn || __webpack_require__(395);
+
+  const acornJsx = getJsxTokens(acorn);
+  const tt = acorn.tokTypes;
+  const tok = acornJsx.tokTypes;
+  const tokContexts = acorn.tokContexts;
+  const tc_oTag = acornJsx.tokContexts.tc_oTag;
+  const tc_cTag = acornJsx.tokContexts.tc_cTag;
+  const tc_expr = acornJsx.tokContexts.tc_expr;
+  const isNewLine = acorn.isNewLine;
+  const isIdentifierStart = acorn.isIdentifierStart;
+  const isIdentifierChar = acorn.isIdentifierChar;
+  return class extends Parser {
+    // Expose actual `tokTypes` and `tokContexts` to other plugins.
+    static get acornJsx() {
+      return acornJsx;
+    } // Reads inline JSX contents token.
+
+
+    jsx_readToken() {
+      let out = '',
+          chunkStart = this.pos;
+
+      for (;;) {
+        if (this.pos >= this.input.length) this.raise(this.start, 'Unterminated JSX contents');
+        let ch = this.input.charCodeAt(this.pos);
+
+        switch (ch) {
+          case 60: // '<'
+
+          case 123:
+            // '{'
+            if (this.pos === this.start) {
+              if (ch === 60 && this.exprAllowed) {
+                ++this.pos;
+                return this.finishToken(tok.jsxTagStart);
+              }
+
+              return this.getTokenFromCode(ch);
+            }
+
+            out += this.input.slice(chunkStart, this.pos);
+            return this.finishToken(tok.jsxText, out);
+
+          case 38:
+            // '&'
+            out += this.input.slice(chunkStart, this.pos);
+            out += this.jsx_readEntity();
+            chunkStart = this.pos;
+            break;
+
+          case 62: // '>'
+
+          case 125:
+            // '}'
+            this.raise(this.pos, "Unexpected token `" + this.input[this.pos] + "`. Did you mean `" + (ch === 62 ? "&gt;" : "&rbrace;") + "` or " + "`{\"" + this.input[this.pos] + "\"}" + "`?");
+
+          default:
+            if (isNewLine(ch)) {
+              out += this.input.slice(chunkStart, this.pos);
+              out += this.jsx_readNewLine(true);
+              chunkStart = this.pos;
+            } else {
+              ++this.pos;
+            }
+
+        }
+      }
+    }
+
+    jsx_readNewLine(normalizeCRLF) {
+      let ch = this.input.charCodeAt(this.pos);
+      let out;
+      ++this.pos;
+
+      if (ch === 13 && this.input.charCodeAt(this.pos) === 10) {
+        ++this.pos;
+        out = normalizeCRLF ? '\n' : '\r\n';
+      } else {
+        out = String.fromCharCode(ch);
+      }
+
+      if (this.options.locations) {
+        ++this.curLine;
+        this.lineStart = this.pos;
+      }
+
+      return out;
+    }
+
+    jsx_readString(quote) {
+      let out = '',
+          chunkStart = ++this.pos;
+
+      for (;;) {
+        if (this.pos >= this.input.length) this.raise(this.start, 'Unterminated string constant');
+        let ch = this.input.charCodeAt(this.pos);
+        if (ch === quote) break;
+
+        if (ch === 38) {
+          // '&'
+          out += this.input.slice(chunkStart, this.pos);
+          out += this.jsx_readEntity();
+          chunkStart = this.pos;
+        } else if (isNewLine(ch)) {
+          out += this.input.slice(chunkStart, this.pos);
+          out += this.jsx_readNewLine(false);
+          chunkStart = this.pos;
+        } else {
+          ++this.pos;
+        }
+      }
+
+      out += this.input.slice(chunkStart, this.pos++);
+      return this.finishToken(tt.string, out);
+    }
+
+    jsx_readEntity() {
+      let str = '',
+          count = 0,
+          entity;
+      let ch = this.input[this.pos];
+      if (ch !== '&') this.raise(this.pos, 'Entity must start with an ampersand');
+      let startPos = ++this.pos;
+
+      while (this.pos < this.input.length && count++ < 10) {
+        ch = this.input[this.pos++];
+
+        if (ch === ';') {
+          if (str[0] === '#') {
+            if (str[1] === 'x') {
+              str = str.substr(2);
+              if (hexNumber.test(str)) entity = String.fromCharCode(parseInt(str, 16));
+            } else {
+              str = str.substr(1);
+              if (decimalNumber.test(str)) entity = String.fromCharCode(parseInt(str, 10));
+            }
+          } else {
+            entity = XHTMLEntities[str];
+          }
+
+          break;
+        }
+
+        str += ch;
+      }
+
+      if (!entity) {
+        this.pos = startPos;
+        return '&';
+      }
+
+      return entity;
+    } // Read a JSX identifier (valid tag or attribute name).
+    //
+    // Optimized version since JSX identifiers can't contain
+    // escape characters and so can be read as single slice.
+    // Also assumes that first character was already checked
+    // by isIdentifierStart in readToken.
+
+
+    jsx_readWord() {
+      let ch,
+          start = this.pos;
+
+      do {
+        ch = this.input.charCodeAt(++this.pos);
+      } while (isIdentifierChar(ch) || ch === 45); // '-'
+
+
+      return this.finishToken(tok.jsxName, this.input.slice(start, this.pos));
+    } // Parse next token as JSX identifier
+
+
+    jsx_parseIdentifier() {
+      let node = this.startNode();
+      if (this.type === tok.jsxName) node.name = this.value;else if (this.type.keyword) node.name = this.type.keyword;else this.unexpected();
+      this.next();
+      return this.finishNode(node, 'JSXIdentifier');
+    } // Parse namespaced identifier.
+
+
+    jsx_parseNamespacedName() {
+      let startPos = this.start,
+          startLoc = this.startLoc;
+      let name = this.jsx_parseIdentifier();
+      if (!options.allowNamespaces || !this.eat(tt.colon)) return name;
+      var node = this.startNodeAt(startPos, startLoc);
+      node.namespace = name;
+      node.name = this.jsx_parseIdentifier();
+      return this.finishNode(node, 'JSXNamespacedName');
+    } // Parses element name in any form - namespaced, member
+    // or single identifier.
+
+
+    jsx_parseElementName() {
+      if (this.type === tok.jsxTagEnd) return '';
+      let startPos = this.start,
+          startLoc = this.startLoc;
+      let node = this.jsx_parseNamespacedName();
+
+      if (this.type === tt.dot && node.type === 'JSXNamespacedName' && !options.allowNamespacedObjects) {
+        this.unexpected();
+      }
+
+      while (this.eat(tt.dot)) {
+        let newNode = this.startNodeAt(startPos, startLoc);
+        newNode.object = node;
+        newNode.property = this.jsx_parseIdentifier();
+        node = this.finishNode(newNode, 'JSXMemberExpression');
+      }
+
+      return node;
+    } // Parses any type of JSX attribute value.
+
+
+    jsx_parseAttributeValue() {
+      switch (this.type) {
+        case tt.braceL:
+          let node = this.jsx_parseExpressionContainer();
+          if (node.expression.type === 'JSXEmptyExpression') this.raise(node.start, 'JSX attributes must only be assigned a non-empty expression');
+          return node;
+
+        case tok.jsxTagStart:
+        case tt.string:
+          return this.parseExprAtom();
+
+        default:
+          this.raise(this.start, 'JSX value should be either an expression or a quoted JSX text');
+      }
+    } // JSXEmptyExpression is unique type since it doesn't actually parse anything,
+    // and so it should start at the end of last read token (left brace) and finish
+    // at the beginning of the next one (right brace).
+
+
+    jsx_parseEmptyExpression() {
+      let node = this.startNodeAt(this.lastTokEnd, this.lastTokEndLoc);
+      return this.finishNodeAt(node, 'JSXEmptyExpression', this.start, this.startLoc);
+    } // Parses JSX expression enclosed into curly brackets.
+
+
+    jsx_parseExpressionContainer() {
+      let node = this.startNode();
+      this.next();
+      node.expression = this.type === tt.braceR ? this.jsx_parseEmptyExpression() : this.parseExpression();
+      this.expect(tt.braceR);
+      return this.finishNode(node, 'JSXExpressionContainer');
+    } // Parses following JSX attribute name-value pair.
+
+
+    jsx_parseAttribute() {
+      let node = this.startNode();
+
+      if (this.eat(tt.braceL)) {
+        this.expect(tt.ellipsis);
+        node.argument = this.parseMaybeAssign();
+        this.expect(tt.braceR);
+        return this.finishNode(node, 'JSXSpreadAttribute');
+      }
+
+      node.name = this.jsx_parseNamespacedName();
+      node.value = this.eat(tt.eq) ? this.jsx_parseAttributeValue() : null;
+      return this.finishNode(node, 'JSXAttribute');
+    } // Parses JSX opening tag starting after '<'.
+
+
+    jsx_parseOpeningElementAt(startPos, startLoc) {
+      let node = this.startNodeAt(startPos, startLoc);
+      node.attributes = [];
+      let nodeName = this.jsx_parseElementName();
+      if (nodeName) node.name = nodeName;
+
+      while (this.type !== tt.slash && this.type !== tok.jsxTagEnd) node.attributes.push(this.jsx_parseAttribute());
+
+      node.selfClosing = this.eat(tt.slash);
+      this.expect(tok.jsxTagEnd);
+      return this.finishNode(node, nodeName ? 'JSXOpeningElement' : 'JSXOpeningFragment');
+    } // Parses JSX closing tag starting after '</'.
+
+
+    jsx_parseClosingElementAt(startPos, startLoc) {
+      let node = this.startNodeAt(startPos, startLoc);
+      let nodeName = this.jsx_parseElementName();
+      if (nodeName) node.name = nodeName;
+      this.expect(tok.jsxTagEnd);
+      return this.finishNode(node, nodeName ? 'JSXClosingElement' : 'JSXClosingFragment');
+    } // Parses entire JSX element, including it's opening tag
+    // (starting after '<'), attributes, contents and closing tag.
+
+
+    jsx_parseElementAt(startPos, startLoc) {
+      let node = this.startNodeAt(startPos, startLoc);
+      let children = [];
+      let openingElement = this.jsx_parseOpeningElementAt(startPos, startLoc);
+      let closingElement = null;
+
+      if (!openingElement.selfClosing) {
+        contents: for (;;) {
+          switch (this.type) {
+            case tok.jsxTagStart:
+              startPos = this.start;
+              startLoc = this.startLoc;
+              this.next();
+
+              if (this.eat(tt.slash)) {
+                closingElement = this.jsx_parseClosingElementAt(startPos, startLoc);
+                break contents;
+              }
+
+              children.push(this.jsx_parseElementAt(startPos, startLoc));
+              break;
+
+            case tok.jsxText:
+              children.push(this.parseExprAtom());
+              break;
+
+            case tt.braceL:
+              children.push(this.jsx_parseExpressionContainer());
+              break;
+
+            default:
+              this.unexpected();
+          }
+        }
+
+        if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) {
+          this.raise(closingElement.start, 'Expected corresponding JSX closing tag for <' + getQualifiedJSXName(openingElement.name) + '>');
+        }
+      }
+
+      let fragmentOrElement = openingElement.name ? 'Element' : 'Fragment';
+      node['opening' + fragmentOrElement] = openingElement;
+      node['closing' + fragmentOrElement] = closingElement;
+      node.children = children;
+
+      if (this.type === tt.relational && this.value === "<") {
+        this.raise(this.start, "Adjacent JSX elements must be wrapped in an enclosing tag");
+      }
+
+      return this.finishNode(node, 'JSX' + fragmentOrElement);
+    } // Parse JSX text
+
+
+    jsx_parseText() {
+      let node = this.parseLiteral(this.value);
+      node.type = "JSXText";
+      return node;
+    } // Parses entire JSX element from current position.
+
+
+    jsx_parseElement() {
+      let startPos = this.start,
+          startLoc = this.startLoc;
+      this.next();
+      return this.jsx_parseElementAt(startPos, startLoc);
+    }
+
+    parseExprAtom(refShortHandDefaultPos) {
+      if (this.type === tok.jsxText) return this.jsx_parseText();else if (this.type === tok.jsxTagStart) return this.jsx_parseElement();else return super.parseExprAtom(refShortHandDefaultPos);
+    }
+
+    readToken(code) {
+      let context = this.curContext();
+      if (context === tc_expr) return this.jsx_readToken();
+
+      if (context === tc_oTag || context === tc_cTag) {
+        if (isIdentifierStart(code)) return this.jsx_readWord();
+
+        if (code == 62) {
+          ++this.pos;
+          return this.finishToken(tok.jsxTagEnd);
+        }
+
+        if ((code === 34 || code === 39) && context == tc_oTag) return this.jsx_readString(code);
+      }
+
+      if (code === 60 && this.exprAllowed && this.input.charCodeAt(this.pos + 1) !== 33) {
+        ++this.pos;
+        return this.finishToken(tok.jsxTagStart);
+      }
+
+      return super.readToken(code);
+    }
+
+    updateContext(prevType) {
+      if (this.type == tt.braceL) {
+        var curContext = this.curContext();
+        if (curContext == tc_oTag) this.context.push(tokContexts.b_expr);else if (curContext == tc_expr) this.context.push(tokContexts.b_tmpl);else super.updateContext(prevType);
+        this.exprAllowed = true;
+      } else if (this.type === tt.slash && prevType === tok.jsxTagStart) {
+        this.context.length -= 2; // do not consider JSX expr -> JSX open tag -> ... anymore
+
+        this.context.push(tc_cTag); // reconsider as closing tag context
+
+        this.exprAllowed = false;
+      } else {
+        return super.updateContext(prevType);
+      }
+    }
+
+  };
+}
+
+/***/ }),
+/* 397 */
+/***/ (function(module, exports) {
+
+module.exports = {
+  quot: '\u0022',
+  amp: '&',
+  apos: '\u0027',
+  lt: '<',
+  gt: '>',
+  nbsp: '\u00A0',
+  iexcl: '\u00A1',
+  cent: '\u00A2',
+  pound: '\u00A3',
+  curren: '\u00A4',
+  yen: '\u00A5',
+  brvbar: '\u00A6',
+  sect: '\u00A7',
+  uml: '\u00A8',
+  copy: '\u00A9',
+  ordf: '\u00AA',
+  laquo: '\u00AB',
+  not: '\u00AC',
+  shy: '\u00AD',
+  reg: '\u00AE',
+  macr: '\u00AF',
+  deg: '\u00B0',
+  plusmn: '\u00B1',
+  sup2: '\u00B2',
+  sup3: '\u00B3',
+  acute: '\u00B4',
+  micro: '\u00B5',
+  para: '\u00B6',
+  middot: '\u00B7',
+  cedil: '\u00B8',
+  sup1: '\u00B9',
+  ordm: '\u00BA',
+  raquo: '\u00BB',
+  frac14: '\u00BC',
+  frac12: '\u00BD',
+  frac34: '\u00BE',
+  iquest: '\u00BF',
+  Agrave: '\u00C0',
+  Aacute: '\u00C1',
+  Acirc: '\u00C2',
+  Atilde: '\u00C3',
+  Auml: '\u00C4',
+  Aring: '\u00C5',
+  AElig: '\u00C6',
+  Ccedil: '\u00C7',
+  Egrave: '\u00C8',
+  Eacute: '\u00C9',
+  Ecirc: '\u00CA',
+  Euml: '\u00CB',
+  Igrave: '\u00CC',
+  Iacute: '\u00CD',
+  Icirc: '\u00CE',
+  Iuml: '\u00CF',
+  ETH: '\u00D0',
+  Ntilde: '\u00D1',
+  Ograve: '\u00D2',
+  Oacute: '\u00D3',
+  Ocirc: '\u00D4',
+  Otilde: '\u00D5',
+  Ouml: '\u00D6',
+  times: '\u00D7',
+  Oslash: '\u00D8',
+  Ugrave: '\u00D9',
+  Uacute: '\u00DA',
+  Ucirc: '\u00DB',
+  Uuml: '\u00DC',
+  Yacute: '\u00DD',
+  THORN: '\u00DE',
+  szlig: '\u00DF',
+  agrave: '\u00E0',
+  aacute: '\u00E1',
+  acirc: '\u00E2',
+  atilde: '\u00E3',
+  auml: '\u00E4',
+  aring: '\u00E5',
+  aelig: '\u00E6',
+  ccedil: '\u00E7',
+  egrave: '\u00E8',
+  eacute: '\u00E9',
+  ecirc: '\u00EA',
+  euml: '\u00EB',
+  igrave: '\u00EC',
+  iacute: '\u00ED',
+  icirc: '\u00EE',
+  iuml: '\u00EF',
+  eth: '\u00F0',
+  ntilde: '\u00F1',
+  ograve: '\u00F2',
+  oacute: '\u00F3',
+  ocirc: '\u00F4',
+  otilde: '\u00F5',
+  ouml: '\u00F6',
+  divide: '\u00F7',
+  oslash: '\u00F8',
+  ugrave: '\u00F9',
+  uacute: '\u00FA',
+  ucirc: '\u00FB',
+  uuml: '\u00FC',
+  yacute: '\u00FD',
+  thorn: '\u00FE',
+  yuml: '\u00FF',
+  OElig: '\u0152',
+  oelig: '\u0153',
+  Scaron: '\u0160',
+  scaron: '\u0161',
+  Yuml: '\u0178',
+  fnof: '\u0192',
+  circ: '\u02C6',
+  tilde: '\u02DC',
+  Alpha: '\u0391',
+  Beta: '\u0392',
+  Gamma: '\u0393',
+  Delta: '\u0394',
+  Epsilon: '\u0395',
+  Zeta: '\u0396',
+  Eta: '\u0397',
+  Theta: '\u0398',
+  Iota: '\u0399',
+  Kappa: '\u039A',
+  Lambda: '\u039B',
+  Mu: '\u039C',
+  Nu: '\u039D',
+  Xi: '\u039E',
+  Omicron: '\u039F',
+  Pi: '\u03A0',
+  Rho: '\u03A1',
+  Sigma: '\u03A3',
+  Tau: '\u03A4',
+  Upsilon: '\u03A5',
+  Phi: '\u03A6',
+  Chi: '\u03A7',
+  Psi: '\u03A8',
+  Omega: '\u03A9',
+  alpha: '\u03B1',
+  beta: '\u03B2',
+  gamma: '\u03B3',
+  delta: '\u03B4',
+  epsilon: '\u03B5',
+  zeta: '\u03B6',
+  eta: '\u03B7',
+  theta: '\u03B8',
+  iota: '\u03B9',
+  kappa: '\u03BA',
+  lambda: '\u03BB',
+  mu: '\u03BC',
+  nu: '\u03BD',
+  xi: '\u03BE',
+  omicron: '\u03BF',
+  pi: '\u03C0',
+  rho: '\u03C1',
+  sigmaf: '\u03C2',
+  sigma: '\u03C3',
+  tau: '\u03C4',
+  upsilon: '\u03C5',
+  phi: '\u03C6',
+  chi: '\u03C7',
+  psi: '\u03C8',
+  omega: '\u03C9',
+  thetasym: '\u03D1',
+  upsih: '\u03D2',
+  piv: '\u03D6',
+  ensp: '\u2002',
+  emsp: '\u2003',
+  thinsp: '\u2009',
+  zwnj: '\u200C',
+  zwj: '\u200D',
+  lrm: '\u200E',
+  rlm: '\u200F',
+  ndash: '\u2013',
+  mdash: '\u2014',
+  lsquo: '\u2018',
+  rsquo: '\u2019',
+  sbquo: '\u201A',
+  ldquo: '\u201C',
+  rdquo: '\u201D',
+  bdquo: '\u201E',
+  dagger: '\u2020',
+  Dagger: '\u2021',
+  bull: '\u2022',
+  hellip: '\u2026',
+  permil: '\u2030',
+  prime: '\u2032',
+  Prime: '\u2033',
+  lsaquo: '\u2039',
+  rsaquo: '\u203A',
+  oline: '\u203E',
+  frasl: '\u2044',
+  euro: '\u20AC',
+  image: '\u2111',
+  weierp: '\u2118',
+  real: '\u211C',
+  trade: '\u2122',
+  alefsym: '\u2135',
+  larr: '\u2190',
+  uarr: '\u2191',
+  rarr: '\u2192',
+  darr: '\u2193',
+  harr: '\u2194',
+  crarr: '\u21B5',
+  lArr: '\u21D0',
+  uArr: '\u21D1',
+  rArr: '\u21D2',
+  dArr: '\u21D3',
+  hArr: '\u21D4',
+  forall: '\u2200',
+  part: '\u2202',
+  exist: '\u2203',
+  empty: '\u2205',
+  nabla: '\u2207',
+  isin: '\u2208',
+  notin: '\u2209',
+  ni: '\u220B',
+  prod: '\u220F',
+  sum: '\u2211',
+  minus: '\u2212',
+  lowast: '\u2217',
+  radic: '\u221A',
+  prop: '\u221D',
+  infin: '\u221E',
+  ang: '\u2220',
+  and: '\u2227',
+  or: '\u2228',
+  cap: '\u2229',
+  cup: '\u222A',
+  'int': '\u222B',
+  there4: '\u2234',
+  sim: '\u223C',
+  cong: '\u2245',
+  asymp: '\u2248',
+  ne: '\u2260',
+  equiv: '\u2261',
+  le: '\u2264',
+  ge: '\u2265',
+  sub: '\u2282',
+  sup: '\u2283',
+  nsub: '\u2284',
+  sube: '\u2286',
+  supe: '\u2287',
+  oplus: '\u2295',
+  otimes: '\u2297',
+  perp: '\u22A5',
+  sdot: '\u22C5',
+  lceil: '\u2308',
+  rceil: '\u2309',
+  lfloor: '\u230A',
+  rfloor: '\u230B',
+  lang: '\u2329',
+  rang: '\u232A',
+  loz: '\u25CA',
+  spades: '\u2660',
+  clubs: '\u2663',
+  hearts: '\u2665',
+  diams: '\u2666'
+};
+
+/***/ }),
+/* 398 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview The AST node types produced by the parser.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+// None!
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = {
+  AssignmentExpression: "AssignmentExpression",
+  AssignmentPattern: "AssignmentPattern",
+  ArrayExpression: "ArrayExpression",
+  ArrayPattern: "ArrayPattern",
+  ArrowFunctionExpression: "ArrowFunctionExpression",
+  AwaitExpression: "AwaitExpression",
+  BlockStatement: "BlockStatement",
+  BinaryExpression: "BinaryExpression",
+  BreakStatement: "BreakStatement",
+  CallExpression: "CallExpression",
+  CatchClause: "CatchClause",
+  ClassBody: "ClassBody",
+  ClassDeclaration: "ClassDeclaration",
+  ClassExpression: "ClassExpression",
+  ConditionalExpression: "ConditionalExpression",
+  ContinueStatement: "ContinueStatement",
+  DoWhileStatement: "DoWhileStatement",
+  DebuggerStatement: "DebuggerStatement",
+  EmptyStatement: "EmptyStatement",
+  ExpressionStatement: "ExpressionStatement",
+  ForStatement: "ForStatement",
+  ForInStatement: "ForInStatement",
+  ForOfStatement: "ForOfStatement",
+  FunctionDeclaration: "FunctionDeclaration",
+  FunctionExpression: "FunctionExpression",
+  Identifier: "Identifier",
+  IfStatement: "IfStatement",
+  Literal: "Literal",
+  LabeledStatement: "LabeledStatement",
+  LogicalExpression: "LogicalExpression",
+  MemberExpression: "MemberExpression",
+  MetaProperty: "MetaProperty",
+  MethodDefinition: "MethodDefinition",
+  NewExpression: "NewExpression",
+  ObjectExpression: "ObjectExpression",
+  ObjectPattern: "ObjectPattern",
+  Program: "Program",
+  Property: "Property",
+  RestElement: "RestElement",
+  ReturnStatement: "ReturnStatement",
+  SequenceExpression: "SequenceExpression",
+  SpreadElement: "SpreadElement",
+  Super: "Super",
+  SwitchCase: "SwitchCase",
+  SwitchStatement: "SwitchStatement",
+  TaggedTemplateExpression: "TaggedTemplateExpression",
+  TemplateElement: "TemplateElement",
+  TemplateLiteral: "TemplateLiteral",
+  ThisExpression: "ThisExpression",
+  ThrowStatement: "ThrowStatement",
+  TryStatement: "TryStatement",
+  UnaryExpression: "UnaryExpression",
+  UpdateExpression: "UpdateExpression",
+  VariableDeclaration: "VariableDeclaration",
+  VariableDeclarator: "VariableDeclarator",
+  WhileStatement: "WhileStatement",
+  WithStatement: "WithStatement",
+  YieldExpression: "YieldExpression",
+  JSXIdentifier: "JSXIdentifier",
+  JSXNamespacedName: "JSXNamespacedName",
+  JSXMemberExpression: "JSXMemberExpression",
+  JSXEmptyExpression: "JSXEmptyExpression",
+  JSXExpressionContainer: "JSXExpressionContainer",
+  JSXElement: "JSXElement",
+  JSXClosingElement: "JSXClosingElement",
+  JSXOpeningElement: "JSXOpeningElement",
+  JSXAttribute: "JSXAttribute",
+  JSXSpreadAttribute: "JSXSpreadAttribute",
+  JSXText: "JSXText",
+  ExportDefaultDeclaration: "ExportDefaultDeclaration",
+  ExportNamedDeclaration: "ExportNamedDeclaration",
+  ExportAllDeclaration: "ExportAllDeclaration",
+  ExportSpecifier: "ExportSpecifier",
+  ImportDeclaration: "ImportDeclaration",
+  ImportSpecifier: "ImportSpecifier",
+  ImportDefaultSpecifier: "ImportDefaultSpecifier",
+  ImportNamespaceSpecifier: "ImportNamespaceSpecifier"
+};
+
+/***/ }),
+/* 399 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+/* eslint-disable no-param-reassign*/
+
+const TokenTranslator = __webpack_require__(400);
+
+const {
+  normalizeOptions
+} = __webpack_require__(401);
+
+const STATE = Symbol("espree's internal state");
+const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode");
+/**
+ * Converts an Acorn comment to a Esprima comment.
+ * @param {boolean} block True if it's a block comment, false if not.
+ * @param {string} text The text of the comment.
+ * @param {int} start The index at which the comment starts.
+ * @param {int} end The index at which the comment ends.
+ * @param {Location} startLoc The location at which the comment starts.
+ * @param {Location} endLoc The location at which the comment ends.
+ * @returns {Object} The comment object.
+ * @private
+ */
+
+function convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc) {
+  const comment = {
+    type: block ? "Block" : "Line",
+    value: text
+  };
+
+  if (typeof start === "number") {
+    comment.start = start;
+    comment.end = end;
+    comment.range = [start, end];
+  }
+
+  if (typeof startLoc === "object") {
+    comment.loc = {
+      start: startLoc,
+      end: endLoc
+    };
+  }
+
+  return comment;
+}
+
+module.exports = () => Parser => {
+  const tokTypes = Object.assign({}, Parser.acorn.tokTypes);
+
+  if (Parser.acornJsx) {
+    Object.assign(tokTypes, Parser.acornJsx.tokTypes);
+  }
+
+  return class Espree extends Parser {
+    constructor(opts, code) {
+      if (typeof opts !== "object" || opts === null) {
+        opts = {};
+      }
+
+      if (typeof code !== "string" && !(code instanceof String)) {
+        code = String(code);
+      }
+
+      const options = normalizeOptions(opts);
+      const ecmaFeatures = options.ecmaFeatures || {};
+      const tokenTranslator = options.tokens === true ? new TokenTranslator(tokTypes, code) : null; // Initialize acorn parser.
+
+      super({
+        // TODO: use {...options} when spread is supported(Node.js >= 8.3.0).
+        ecmaVersion: options.ecmaVersion,
+        sourceType: options.sourceType,
+        ranges: options.ranges,
+        locations: options.locations,
+        // Truthy value is true for backward compatibility.
+        allowReturnOutsideFunction: Boolean(ecmaFeatures.globalReturn),
+        // Collect tokens
+        onToken: token => {
+          if (tokenTranslator) {
+            // Use `tokens`, `ecmaVersion`, and `jsxAttrValueToken` in the state.
+            tokenTranslator.onToken(token, this[STATE]);
+          }
+
+          if (token.type !== tokTypes.eof) {
+            this[STATE].lastToken = token;
+          }
+        },
+        // Collect comments
+        onComment: (block, text, start, end, startLoc, endLoc) => {
+          if (this[STATE].comments) {
+            const comment = convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc);
+            this[STATE].comments.push(comment);
+          }
+        }
+      }, code); // Initialize internal state.
+
+      this[STATE] = {
+        tokens: tokenTranslator ? [] : null,
+        comments: options.comment === true ? [] : null,
+        impliedStrict: ecmaFeatures.impliedStrict === true && this.options.ecmaVersion >= 5,
+        ecmaVersion: this.options.ecmaVersion,
+        jsxAttrValueToken: false,
+        lastToken: null
+      };
+    }
+
+    tokenize() {
+      do {
+        this.next();
+      } while (this.type !== tokTypes.eof); // Consume the final eof token
+
+
+      this.next();
+      const extra = this[STATE];
+      const tokens = extra.tokens;
+
+      if (extra.comments) {
+        tokens.comments = extra.comments;
+      }
+
+      return tokens;
+    }
+
+    finishNode(...args) {
+      const result = super.finishNode(...args);
+      return this[ESPRIMA_FINISH_NODE](result);
+    }
+
+    finishNodeAt(...args) {
+      const result = super.finishNodeAt(...args);
+      return this[ESPRIMA_FINISH_NODE](result);
+    }
+
+    parse() {
+      const extra = this[STATE];
+      const program = super.parse();
+      program.sourceType = this.options.sourceType;
+
+      if (extra.comments) {
+        program.comments = extra.comments;
+      }
+
+      if (extra.tokens) {
+        program.tokens = extra.tokens;
+      }
+      /*
+       * Adjust opening and closing position of program to match Esprima.
+       * Acorn always starts programs at range 0 whereas Esprima starts at the
+       * first AST node's start (the only real difference is when there's leading
+       * whitespace or leading comments). Acorn also counts trailing whitespace
+       * as part of the program whereas Esprima only counts up to the last token.
+       */
+
+
+      if (program.range) {
+        program.range[0] = program.body.length ? program.body[0].range[0] : program.range[0];
+        program.range[1] = extra.lastToken ? extra.lastToken.range[1] : program.range[1];
+      }
+
+      if (program.loc) {
+        program.loc.start = program.body.length ? program.body[0].loc.start : program.loc.start;
+        program.loc.end = extra.lastToken ? extra.lastToken.loc.end : program.loc.end;
+      }
+
+      return program;
+    }
+
+    parseTopLevel(node) {
+      if (this[STATE].impliedStrict) {
+        this.strict = true;
+      }
+
+      return super.parseTopLevel(node);
+    }
+    /**
+     * Overwrites the default raise method to throw Esprima-style errors.
+     * @param {int} pos The position of the error.
+     * @param {string} message The error message.
+     * @throws {SyntaxError} A syntax error.
+     * @returns {void}
+     */
+
+
+    raise(pos, message) {
+      const loc = Parser.acorn.getLineInfo(this.input, pos);
+      const err = new SyntaxError(message);
+      err.index = pos;
+      err.lineNumber = loc.line;
+      err.column = loc.column + 1; // acorn uses 0-based columns
+
+      throw err;
+    }
+    /**
+     * Overwrites the default raise method to throw Esprima-style errors.
+     * @param {int} pos The position of the error.
+     * @param {string} message The error message.
+     * @throws {SyntaxError} A syntax error.
+     * @returns {void}
+     */
+
+
+    raiseRecoverable(pos, message) {
+      this.raise(pos, message);
+    }
+    /**
+     * Overwrites the default unexpected method to throw Esprima-style errors.
+     * @param {int} pos The position of the error.
+     * @throws {SyntaxError} A syntax error.
+     * @returns {void}
+     */
+
+
+    unexpected(pos) {
+      let message = "Unexpected token";
+
+      if (pos !== null && pos !== void 0) {
+        this.pos = pos;
+
+        if (this.options.locations) {
+          while (this.pos < this.lineStart) {
+            this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1;
+            --this.curLine;
+          }
+        }
+
+        this.nextToken();
+      }
+
+      if (this.end > this.start) {
+        message += " ".concat(this.input.slice(this.start, this.end));
+      }
+
+      this.raise(this.start, message);
+    }
+    /*
+    * Esprima-FB represents JSX strings as tokens called "JSXText", but Acorn-JSX
+    * uses regular tt.string without any distinction between this and regular JS
+    * strings. As such, we intercept an attempt to read a JSX string and set a flag
+    * on extra so that when tokens are converted, the next token will be switched
+    * to JSXText via onToken.
+    */
+
+
+    jsx_readString(quote) {
+      // eslint-disable-line camelcase
+      const result = super.jsx_readString(quote);
+
+      if (this.type === tokTypes.string) {
+        this[STATE].jsxAttrValueToken = true;
+      }
+
+      return result;
+    }
+    /**
+     * Performs last-minute Esprima-specific compatibility checks and fixes.
+     * @param {ASTNode} result The node to check.
+     * @returns {ASTNode} The finished node.
+     */
+
+
+    [ESPRIMA_FINISH_NODE](result) {
+      // Acorn doesn't count the opening and closing backticks as part of templates
+      // so we have to adjust ranges/locations appropriately.
+      if (result.type === "TemplateElement") {
+        // additional adjustment needed if ${ is the last token
+        const terminalDollarBraceL = this.input.slice(result.end, result.end + 2) === "${";
+
+        if (result.range) {
+          result.range[0]--;
+          result.range[1] += terminalDollarBraceL ? 2 : 1;
+        }
+
+        if (result.loc) {
+          result.loc.start.column--;
+          result.loc.end.column += terminalDollarBraceL ? 2 : 1;
+        }
+      }
+
+      if (result.type.indexOf("Function") > -1 && !result.generator) {
+        result.generator = false;
+      }
+
+      return result;
+    }
+
+  };
+};
+
+/***/ }),
+/* 400 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Translates tokens between Acorn format and Esprima format.
+ * @author Nicholas C. Zakas
+ */
+
+/* eslint no-underscore-dangle: 0 */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+// none!
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+// Esprima Token Types
+
+const Token = {
+  Boolean: "Boolean",
+  EOF: "<end>",
+  Identifier: "Identifier",
+  Keyword: "Keyword",
+  Null: "Null",
+  Numeric: "Numeric",
+  Punctuator: "Punctuator",
+  String: "String",
+  RegularExpression: "RegularExpression",
+  Template: "Template",
+  JSXIdentifier: "JSXIdentifier",
+  JSXText: "JSXText"
+};
+/**
+ * Converts part of a template into an Esprima token.
+ * @param {AcornToken[]} tokens The Acorn tokens representing the template.
+ * @param {string} code The source code.
+ * @returns {EsprimaToken} The Esprima equivalent of the template token.
+ * @private
+ */
+
+function convertTemplatePart(tokens, code) {
+  const firstToken = tokens[0],
+        lastTemplateToken = tokens[tokens.length - 1];
+  const token = {
+    type: Token.Template,
+    value: code.slice(firstToken.start, lastTemplateToken.end)
+  };
+
+  if (firstToken.loc) {
+    token.loc = {
+      start: firstToken.loc.start,
+      end: lastTemplateToken.loc.end
+    };
+  }
+
+  if (firstToken.range) {
+    token.start = firstToken.range[0];
+    token.end = lastTemplateToken.range[1];
+    token.range = [token.start, token.end];
+  }
+
+  return token;
+}
+/**
+ * Contains logic to translate Acorn tokens into Esprima tokens.
+ * @param {Object} acornTokTypes The Acorn token types.
+ * @param {string} code The source code Acorn is parsing. This is necessary
+ *      to correct the "value" property of some tokens.
+ * @constructor
+ */
+
+
+function TokenTranslator(acornTokTypes, code) {
+  // token types
+  this._acornTokTypes = acornTokTypes; // token buffer for templates
+
+  this._tokens = []; // track the last curly brace
+
+  this._curlyBrace = null; // the source code
+
+  this._code = code;
+}
+
+TokenTranslator.prototype = {
+  constructor: TokenTranslator,
+
+  /**
+   * Translates a single Esprima token to a single Acorn token. This may be
+   * inaccurate due to how templates are handled differently in Esprima and
+   * Acorn, but should be accurate for all other tokens.
+   * @param {AcornToken} token The Acorn token to translate.
+   * @param {Object} extra Espree extra object.
+   * @returns {EsprimaToken} The Esprima version of the token.
+   */
+  translate(token, extra) {
+    const type = token.type,
+          tt = this._acornTokTypes;
+
+    if (type === tt.name) {
+      token.type = Token.Identifier; // TODO: See if this is an Acorn bug
+
+      if (token.value === "static") {
+        token.type = Token.Keyword;
+      }
+
+      if (extra.ecmaVersion > 5 && (token.value === "yield" || token.value === "let")) {
+        token.type = Token.Keyword;
+      }
+    } else if (type === tt.semi || type === tt.comma || type === tt.parenL || type === tt.parenR || type === tt.braceL || type === tt.braceR || type === tt.dot || type === tt.bracketL || type === tt.colon || type === tt.question || type === tt.bracketR || type === tt.ellipsis || type === tt.arrow || type === tt.jsxTagStart || type === tt.incDec || type === tt.starstar || type === tt.jsxTagEnd || type === tt.prefix || type.binop && !type.keyword || type.isAssign) {
+      token.type = Token.Punctuator;
+      token.value = this._code.slice(token.start, token.end);
+    } else if (type === tt.jsxName) {
+      token.type = Token.JSXIdentifier;
+    } else if (type.label === "jsxText" || type === tt.jsxAttrValueToken) {
+      token.type = Token.JSXText;
+    } else if (type.keyword) {
+      if (type.keyword === "true" || type.keyword === "false") {
+        token.type = Token.Boolean;
+      } else if (type.keyword === "null") {
+        token.type = Token.Null;
+      } else {
+        token.type = Token.Keyword;
+      }
+    } else if (type === tt.num) {
+      token.type = Token.Numeric;
+      token.value = this._code.slice(token.start, token.end);
+    } else if (type === tt.string) {
+      if (extra.jsxAttrValueToken) {
+        extra.jsxAttrValueToken = false;
+        token.type = Token.JSXText;
+      } else {
+        token.type = Token.String;
+      }
+
+      token.value = this._code.slice(token.start, token.end);
+    } else if (type === tt.regexp) {
+      token.type = Token.RegularExpression;
+      const value = token.value;
+      token.regex = {
+        flags: value.flags,
+        pattern: value.pattern
+      };
+      token.value = "/".concat(value.pattern, "/").concat(value.flags);
+    }
+
+    return token;
+  },
+
+  /**
+   * Function to call during Acorn's onToken handler.
+   * @param {AcornToken} token The Acorn token.
+   * @param {Object} extra The Espree extra object.
+   * @returns {void}
+   */
+  onToken(token, extra) {
+    const that = this,
+          tt = this._acornTokTypes,
+          tokens = extra.tokens,
+          templateTokens = this._tokens;
+    /**
+     * Flushes the buffered template tokens and resets the template
+     * tracking.
+     * @returns {void}
+     * @private
+     */
+
+    function translateTemplateTokens() {
+      tokens.push(convertTemplatePart(that._tokens, that._code));
+      that._tokens = [];
+    }
+
+    if (token.type === tt.eof) {
+      // might be one last curlyBrace
+      if (this._curlyBrace) {
+        tokens.push(this.translate(this._curlyBrace, extra));
+      }
+
+      return;
+    }
+
+    if (token.type === tt.backQuote) {
+      // if there's already a curly, it's not part of the template
+      if (this._curlyBrace) {
+        tokens.push(this.translate(this._curlyBrace, extra));
+        this._curlyBrace = null;
+      }
+
+      templateTokens.push(token); // it's the end
+
+      if (templateTokens.length > 1) {
+        translateTemplateTokens();
+      }
+
+      return;
+    }
+
+    if (token.type === tt.dollarBraceL) {
+      templateTokens.push(token);
+      translateTemplateTokens();
+      return;
+    }
+
+    if (token.type === tt.braceR) {
+      // if there's already a curly, it's not part of the template
+      if (this._curlyBrace) {
+        tokens.push(this.translate(this._curlyBrace, extra));
+      } // store new curly for later
+
+
+      this._curlyBrace = token;
+      return;
+    }
+
+    if (token.type === tt.template || token.type === tt.invalidTemplate) {
+      if (this._curlyBrace) {
+        templateTokens.push(this._curlyBrace);
+        this._curlyBrace = null;
+      }
+
+      templateTokens.push(token);
+      return;
+    }
+
+    if (this._curlyBrace) {
+      tokens.push(this.translate(this._curlyBrace, extra));
+      this._curlyBrace = null;
+    }
+
+    tokens.push(this.translate(token, extra));
+  }
+
+}; //------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = TokenTranslator;
+
+/***/ }),
+/* 401 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A collection of methods for processing Espree's options.
+ * @author Kai Cataldo
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_ECMA_VERSION = 5;
+const SUPPORTED_VERSIONS = [3, 5, 6, 7, 8, 9, 10, 11];
+/**
+ * Normalize ECMAScript version from the initial config
+ * @param {number} ecmaVersion ECMAScript version from the initial config
+ * @throws {Error} throws an error if the ecmaVersion is invalid.
+ * @returns {number} normalized ECMAScript version
+ */
+
+function normalizeEcmaVersion(ecmaVersion = DEFAULT_ECMA_VERSION) {
+  if (typeof ecmaVersion !== "number") {
+    throw new Error("ecmaVersion must be a number. Received value of type ".concat(typeof ecmaVersion, " instead."));
+  }
+
+  let version = ecmaVersion; // Calculate ECMAScript edition number from official year version starting with
+  // ES2015, which corresponds with ES6 (or a difference of 2009).
+
+  if (version >= 2015) {
+    version -= 2009;
+  }
+
+  if (!SUPPORTED_VERSIONS.includes(version)) {
+    throw new Error("Invalid ecmaVersion.");
+  }
+
+  return version;
+}
+/**
+ * Normalize sourceType from the initial config
+ * @param {string} sourceType to normalize
+ * @throws {Error} throw an error if sourceType is invalid
+ * @returns {string} normalized sourceType
+ */
+
+
+function normalizeSourceType(sourceType = "script") {
+  if (sourceType === "script" || sourceType === "module") {
+    return sourceType;
+  }
+
+  throw new Error("Invalid sourceType.");
+}
+/**
+ * Normalize parserOptions
+ * @param {Object} options the parser options to normalize
+ * @throws {Error} throw an error if found invalid option.
+ * @returns {Object} normalized options
+ */
+
+
+function normalizeOptions(options) {
+  const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion);
+  const sourceType = normalizeSourceType(options.sourceType);
+  const ranges = options.range === true;
+  const locations = options.loc === true;
+
+  if (sourceType === "module" && ecmaVersion < 6) {
+    throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options.");
+  }
+
+  return Object.assign({}, options, {
+    ecmaVersion,
+    sourceType,
+    ranges,
+    locations
+  });
+}
+/**
+ * Get the latest ECMAScript version supported by Espree.
+ * @returns {number} The latest ECMAScript version.
+ */
+
+
+function getLatestEcmaVersion() {
+  return SUPPORTED_VERSIONS[SUPPORTED_VERSIONS.length - 1];
+}
+/**
+ * Get the list of ECMAScript versions supported by Espree.
+ * @returns {number[]} An array containing the supported ECMAScript versions.
+ */
+
+
+function getSupportedEcmaVersions() {
+  return [...SUPPORTED_VERSIONS];
+} //------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  normalizeOptions,
+  getLatestEcmaVersion,
+  getSupportedEcmaVersions
+};
+
+/***/ }),
+/* 402 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"_from\":\"espree@^6.2.1\",\"_id\":\"espree@6.2.1\",\"_inBundle\":false,\"_integrity\":\"sha512-ysCxRQY3WaXJz9tdbWOwuWr5Y/XrPTGX9Kiz3yoUXwW0VZ4w30HTkQLaGx/+ttFjF8i+ACbArnB4ce68a9m5hw==\",\"_location\":\"/espree\",\"_phantomChildren\":{},\"_requested\":{\"type\":\"range\",\"registry\":true,\"raw\":\"espree@^6.2.1\",\"name\":\"espree\",\"escapedName\":\"espree\",\"rawSpec\":\"^6.2.1\",\"saveSpec\":null,\"fetchSpec\":\"^6.2.1\"},\"_requiredBy\":[\"/\",\"/eslint\"],\"_resolved\":\"https://registry.npmjs.org/espree/-/espree-6.2.1.tgz\",\"_shasum\":\"77fc72e1fd744a2052c20f38a5b575832e82734a\",\"_spec\":\"espree@^6.2.1\",\"_where\":\"/home/dcsapak/git/pve-eslint/eslint-v7.0.0-alpha.3\",\"author\":{\"name\":\"Nicholas C. Zakas\",\"email\":\"nicholas+npm@nczconsulting.com\"},\"bugs\":{\"url\":\"http://github.com/eslint/espree.git\"},\"bundleDependencies\":false,\"dependencies\":{\"acorn\":\"^7.1.1\",\"acorn-jsx\":\"^5.2.0\",\"eslint-visitor-keys\":\"^1.1.0\"},\"deprecated\":false,\"description\":\"An Esprima-compatible JavaScript parser built on Acorn\",\"devDependencies\":{\"browserify\":\"^16.5.0\",\"chai\":\"^4.2.0\",\"eslint\":\"^6.0.1\",\"eslint-config-eslint\":\"^5.0.1\",\"eslint-plugin-node\":\"^9.1.0\",\"eslint-release\":\"^1.0.0\",\"esprima\":\"latest\",\"esprima-fb\":\"^8001.2001.0-dev-harmony-fb\",\"json-diff\":\"^0.5.4\",\"leche\":\"^2.3.0\",\"mocha\":\"^6.2.0\",\"nyc\":\"^14.1.1\",\"regenerate\":\"^1.4.0\",\"shelljs\":\"^0.3.0\",\"shelljs-nodecli\":\"^0.1.1\",\"unicode-6.3.0\":\"^0.7.5\"},\"engines\":{\"node\":\">=6.0.0\"},\"files\":[\"lib\",\"espree.js\"],\"homepage\":\"https://github.com/eslint/espree\",\"keywords\":[\"ast\",\"ecmascript\",\"javascript\",\"parser\",\"syntax\",\"acorn\"],\"license\":\"BSD-2-Clause\",\"main\":\"espree.js\",\"name\":\"espree\",\"repository\":{\"type\":\"git\",\"url\":\"git+https://github.com/eslint/espree.git\"},\"scripts\":{\"browserify\":\"node Makefile.js browserify\",\"generate-alpharelease\":\"eslint-generate-prerelease alpha\",\"generate-betarelease\":\"eslint-generate-prerelease beta\",\"generate-rcrelease\":\"eslint-generate-prerelease rc\",\"generate-regex\":\"node tools/generate-identifier-regex.js\",\"generate-release\":\"eslint-generate-release\",\"lint\":\"node Makefile.js lint\",\"publish-release\":\"eslint-publish-release\",\"test\":\"npm run-script lint && node Makefile.js test\"},\"version\":\"6.2.1\"}");
+
+/***/ }),
+/* 403 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* WEBPACK VAR INJECTION */(function(module) {var __WEBPACK_AMD_DEFINE_RESULT__;/**
+ * @license
+ * Lodash <https://lodash.com/>
+ * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
+ * Released under MIT license <https://lodash.com/license>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ */
+;(function() {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /** Used as the semantic version number. */
+  var VERSION = '4.17.15';
+
+  /** Used as the size to enable large array optimizations. */
+  var LARGE_ARRAY_SIZE = 200;
+
+  /** Error message constants. */
+  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
+      FUNC_ERROR_TEXT = 'Expected a function';
+
+  /** Used to stand-in for `undefined` hash values. */
+  var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+  /** Used as the maximum memoize cache size. */
+  var MAX_MEMOIZE_SIZE = 500;
+
+  /** Used as the internal argument placeholder. */
+  var PLACEHOLDER = '__lodash_placeholder__';
+
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_FLAT_FLAG = 2,
+      CLONE_SYMBOLS_FLAG = 4;
+
+  /** Used to compose bitmasks for value comparisons. */
+  var COMPARE_PARTIAL_FLAG = 1,
+      COMPARE_UNORDERED_FLAG = 2;
+
+  /** Used to compose bitmasks for function metadata. */
+  var WRAP_BIND_FLAG = 1,
+      WRAP_BIND_KEY_FLAG = 2,
+      WRAP_CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_FLAG = 8,
+      WRAP_CURRY_RIGHT_FLAG = 16,
+      WRAP_PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_RIGHT_FLAG = 64,
+      WRAP_ARY_FLAG = 128,
+      WRAP_REARG_FLAG = 256,
+      WRAP_FLIP_FLAG = 512;
+
+  /** Used as default options for `_.truncate`. */
+  var DEFAULT_TRUNC_LENGTH = 30,
+      DEFAULT_TRUNC_OMISSION = '...';
+
+  /** Used to detect hot functions by number of calls within a span of milliseconds. */
+  var HOT_COUNT = 800,
+      HOT_SPAN = 16;
+
+  /** Used to indicate the type of lazy iteratees. */
+  var LAZY_FILTER_FLAG = 1,
+      LAZY_MAP_FLAG = 2,
+      LAZY_WHILE_FLAG = 3;
+
+  /** Used as references for various `Number` constants. */
+  var INFINITY = 1 / 0,
+      MAX_SAFE_INTEGER = 9007199254740991,
+      MAX_INTEGER = 1.7976931348623157e+308,
+      NAN = 0 / 0;
+
+  /** Used as references for the maximum length and index of an array. */
+  var MAX_ARRAY_LENGTH = 4294967295,
+      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
+      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+
+  /** Used to associate wrap methods with their bit flags. */
+  var wrapFlags = [
+    ['ary', WRAP_ARY_FLAG],
+    ['bind', WRAP_BIND_FLAG],
+    ['bindKey', WRAP_BIND_KEY_FLAG],
+    ['curry', WRAP_CURRY_FLAG],
+    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
+    ['flip', WRAP_FLIP_FLAG],
+    ['partial', WRAP_PARTIAL_FLAG],
+    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
+    ['rearg', WRAP_REARG_FLAG]
+  ];
+
+  /** `Object#toString` result references. */
+  var argsTag = '[object Arguments]',
+      arrayTag = '[object Array]',
+      asyncTag = '[object AsyncFunction]',
+      boolTag = '[object Boolean]',
+      dateTag = '[object Date]',
+      domExcTag = '[object DOMException]',
+      errorTag = '[object Error]',
+      funcTag = '[object Function]',
+      genTag = '[object GeneratorFunction]',
+      mapTag = '[object Map]',
+      numberTag = '[object Number]',
+      nullTag = '[object Null]',
+      objectTag = '[object Object]',
+      promiseTag = '[object Promise]',
+      proxyTag = '[object Proxy]',
+      regexpTag = '[object RegExp]',
+      setTag = '[object Set]',
+      stringTag = '[object String]',
+      symbolTag = '[object Symbol]',
+      undefinedTag = '[object Undefined]',
+      weakMapTag = '[object WeakMap]',
+      weakSetTag = '[object WeakSet]';
+
+  var arrayBufferTag = '[object ArrayBuffer]',
+      dataViewTag = '[object DataView]',
+      float32Tag = '[object Float32Array]',
+      float64Tag = '[object Float64Array]',
+      int8Tag = '[object Int8Array]',
+      int16Tag = '[object Int16Array]',
+      int32Tag = '[object Int32Array]',
+      uint8Tag = '[object Uint8Array]',
+      uint8ClampedTag = '[object Uint8ClampedArray]',
+      uint16Tag = '[object Uint16Array]',
+      uint32Tag = '[object Uint32Array]';
+
+  /** Used to match empty string literals in compiled template source. */
+  var reEmptyStringLeading = /\b__p \+= '';/g,
+      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+
+  /** Used to match HTML entities and HTML characters. */
+  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+      reUnescapedHtml = /[&<>"']/g,
+      reHasEscapedHtml = RegExp(reEscapedHtml.source),
+      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+
+  /** Used to match template delimiters. */
+  var reEscape = /<%-([\s\S]+?)%>/g,
+      reEvaluate = /<%([\s\S]+?)%>/g,
+      reInterpolate = /<%=([\s\S]+?)%>/g;
+
+  /** Used to match property names within property paths. */
+  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+      reIsPlainProp = /^\w*$/,
+      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+
+  /**
+   * Used to match `RegExp`
+   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+   */
+  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+      reHasRegExpChar = RegExp(reRegExpChar.source);
+
+  /** Used to match leading and trailing whitespace. */
+  var reTrim = /^\s+|\s+$/g,
+      reTrimStart = /^\s+/,
+      reTrimEnd = /\s+$/;
+
+  /** Used to match wrap detail comments. */
+  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
+      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
+      reSplitDetails = /,? & /;
+
+  /** Used to match words composed of alphanumeric characters. */
+  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+
+  /** Used to match backslashes in property paths. */
+  var reEscapeChar = /\\(\\)?/g;
+
+  /**
+   * Used to match
+   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
+   */
+  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+
+  /** Used to match `RegExp` flags from their coerced string values. */
+  var reFlags = /\w*$/;
+
+  /** Used to detect bad signed hexadecimal string values. */
+  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+
+  /** Used to detect binary string values. */
+  var reIsBinary = /^0b[01]+$/i;
+
+  /** Used to detect host constructors (Safari). */
+  var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+  /** Used to detect octal string values. */
+  var reIsOctal = /^0o[0-7]+$/i;
+
+  /** Used to detect unsigned integer values. */
+  var reIsUint = /^(?:0|[1-9]\d*)$/;
+
+  /** Used to match Latin Unicode letters (excluding mathematical operators). */
+  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+
+  /** Used to ensure capturing order of template delimiters. */
+  var reNoMatch = /($^)/;
+
+  /** Used to match unescaped characters in compiled string literals. */
+  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+
+  /** Used to compose unicode character classes. */
+  var rsAstralRange = '\\ud800-\\udfff',
+      rsComboMarksRange = '\\u0300-\\u036f',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+      rsDingbatRange = '\\u2700-\\u27bf',
+      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
+      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
+      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
+      rsPunctuationRange = '\\u2000-\\u206f',
+      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
+      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
+      rsVarRange = '\\ufe0e\\ufe0f',
+      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+
+  /** Used to compose unicode capture groups. */
+  var rsApos = "['\u2019]",
+      rsAstral = '[' + rsAstralRange + ']',
+      rsBreak = '[' + rsBreakRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
+      rsDigits = '\\d+',
+      rsDingbat = '[' + rsDingbatRange + ']',
+      rsLower = '[' + rsLowerRange + ']',
+      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
+      rsFitz = '\\ud83c[\\udffb-\\udfff]',
+      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+      rsNonAstral = '[^' + rsAstralRange + ']',
+      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+      rsUpper = '[' + rsUpperRange + ']',
+      rsZWJ = '\\u200d';
+
+  /** Used to compose unicode regexes. */
+  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
+      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
+      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
+      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
+      reOptMod = rsModifier + '?',
+      rsOptVar = '[' + rsVarRange + ']?',
+      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
+      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
+      rsSeq = rsOptVar + reOptMod + rsOptJoin,
+      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
+      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+
+  /** Used to match apostrophes. */
+  var reApos = RegExp(rsApos, 'g');
+
+  /**
+   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
+   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
+   */
+  var reComboMark = RegExp(rsCombo, 'g');
+
+  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+
+  /** Used to match complex or compound words. */
+  var reUnicodeWord = RegExp([
+    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
+    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
+    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
+    rsUpper + '+' + rsOptContrUpper,
+    rsOrdUpper,
+    rsOrdLower,
+    rsDigits,
+    rsEmoji
+  ].join('|'), 'g');
+
+  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+
+  /** Used to detect strings that need a more robust regexp to match words. */
+  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+
+  /** Used to assign default `context` object properties. */
+  var contextProps = [
+    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
+    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
+    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
+    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
+    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
+  ];
+
+  /** Used to make template sourceURLs easier to identify. */
+  var templateCounter = -1;
+
+  /** Used to identify `toStringTag` values of typed arrays. */
+  var typedArrayTags = {};
+  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+  typedArrayTags[uint32Tag] = true;
+  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+  typedArrayTags[setTag] = typedArrayTags[stringTag] =
+  typedArrayTags[weakMapTag] = false;
+
+  /** Used to identify `toStringTag` values supported by `_.clone`. */
+  var cloneableTags = {};
+  cloneableTags[argsTag] = cloneableTags[arrayTag] =
+  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+  cloneableTags[boolTag] = cloneableTags[dateTag] =
+  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+  cloneableTags[int32Tag] = cloneableTags[mapTag] =
+  cloneableTags[numberTag] = cloneableTags[objectTag] =
+  cloneableTags[regexpTag] = cloneableTags[setTag] =
+  cloneableTags[stringTag] = cloneableTags[symbolTag] =
+  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+  cloneableTags[errorTag] = cloneableTags[funcTag] =
+  cloneableTags[weakMapTag] = false;
+
+  /** Used to map Latin Unicode letters to basic Latin letters. */
+  var deburredLetters = {
+    // Latin-1 Supplement block.
+    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+    '\xc7': 'C',  '\xe7': 'c',
+    '\xd0': 'D',  '\xf0': 'd',
+    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+    '\xd1': 'N',  '\xf1': 'n',
+    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+    '\xc6': 'Ae', '\xe6': 'ae',
+    '\xde': 'Th', '\xfe': 'th',
+    '\xdf': 'ss',
+    // Latin Extended-A block.
+    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
+    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
+    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
+    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
+    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
+    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
+    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
+    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
+    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
+    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
+    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
+    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
+    '\u0134': 'J',  '\u0135': 'j',
+    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
+    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
+    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
+    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
+    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
+    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
+    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
+    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
+    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
+    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
+    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
+    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
+    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
+    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
+    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
+    '\u0174': 'W',  '\u0175': 'w',
+    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
+    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
+    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
+    '\u0132': 'IJ', '\u0133': 'ij',
+    '\u0152': 'Oe', '\u0153': 'oe',
+    '\u0149': "'n", '\u017f': 's'
+  };
+
+  /** Used to map characters to HTML entities. */
+  var htmlEscapes = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#39;'
+  };
+
+  /** Used to map HTML entities to characters. */
+  var htmlUnescapes = {
+    '&amp;': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&#39;': "'"
+  };
+
+  /** Used to escape characters for inclusion in compiled string literals. */
+  var stringEscapes = {
+    '\\': '\\',
+    "'": "'",
+    '\n': 'n',
+    '\r': 'r',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  /** Built-in method references without a dependency on `root`. */
+  var freeParseFloat = parseFloat,
+      freeParseInt = parseInt;
+
+  /** Detect free variable `global` from Node.js. */
+  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+  /** Detect free variable `self`. */
+  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+  /** Used as a reference to the global object. */
+  var root = freeGlobal || freeSelf || Function('return this')();
+
+  /** Detect free variable `exports`. */
+  var freeExports =  true && exports && !exports.nodeType && exports;
+
+  /** Detect free variable `module`. */
+  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+
+  /** Detect the popular CommonJS extension `module.exports`. */
+  var moduleExports = freeModule && freeModule.exports === freeExports;
+
+  /** Detect free variable `process` from Node.js. */
+  var freeProcess = moduleExports && freeGlobal.process;
+
+  /** Used to access faster Node.js helpers. */
+  var nodeUtil = (function() {
+    try {
+      // Use `util.types` for Node.js 10+.
+      var types = freeModule && freeModule.require && freeModule.require('util').types;
+
+      if (types) {
+        return types;
+      }
+
+      // Legacy `process.binding('util')` for Node.js < 10.
+      return freeProcess && freeProcess.binding && freeProcess.binding('util');
+    } catch (e) {}
+  }());
+
+  /* Node.js helper references. */
+  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
+      nodeIsDate = nodeUtil && nodeUtil.isDate,
+      nodeIsMap = nodeUtil && nodeUtil.isMap,
+      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
+      nodeIsSet = nodeUtil && nodeUtil.isSet,
+      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * A faster alternative to `Function#apply`, this function invokes `func`
+   * with the `this` binding of `thisArg` and the arguments of `args`.
+   *
+   * @private
+   * @param {Function} func The function to invoke.
+   * @param {*} thisArg The `this` binding of `func`.
+   * @param {Array} args The arguments to invoke `func` with.
+   * @returns {*} Returns the result of `func`.
+   */
+  function apply(func, thisArg, args) {
+    switch (args.length) {
+      case 0: return func.call(thisArg);
+      case 1: return func.call(thisArg, args[0]);
+      case 2: return func.call(thisArg, args[0], args[1]);
+      case 3: return func.call(thisArg, args[0], args[1], args[2]);
+    }
+    return func.apply(thisArg, args);
+  }
+
+  /**
+   * A specialized version of `baseAggregator` for arrays.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} setter The function to set `accumulator` values.
+   * @param {Function} iteratee The iteratee to transform keys.
+   * @param {Object} accumulator The initial aggregated object.
+   * @returns {Function} Returns `accumulator`.
+   */
+  function arrayAggregator(array, setter, iteratee, accumulator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      var value = array[index];
+      setter(accumulator, value, iteratee(value), array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.forEach` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEach(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (iteratee(array[index], index, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.forEachRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayEachRight(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+
+    while (length--) {
+      if (iteratee(array[length], length, array) === false) {
+        break;
+      }
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.every` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+   *  else `false`.
+   */
+  function arrayEvery(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (!predicate(array[index], index, array)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * A specialized version of `_.filter` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {Array} Returns the new filtered array.
+   */
+  function arrayFilter(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (predicate(value, index, array)) {
+        result[resIndex++] = value;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.includes` for arrays without support for
+   * specifying an index to search from.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludes(array, value) {
+    var length = array == null ? 0 : array.length;
+    return !!length && baseIndexOf(array, value, 0) > -1;
+  }
+
+  /**
+   * This function is like `arrayIncludes` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} [array] The array to inspect.
+   * @param {*} target The value to search for.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+   */
+  function arrayIncludesWith(array, value, comparator) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (comparator(value, array[index])) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * A specialized version of `_.map` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the new mapped array.
+   */
+  function arrayMap(array, iteratee) {
+    var index = -1,
+        length = array == null ? 0 : array.length,
+        result = Array(length);
+
+    while (++index < length) {
+      result[index] = iteratee(array[index], index, array);
+    }
+    return result;
+  }
+
+  /**
+   * Appends the elements of `values` to `array`.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {Array} values The values to append.
+   * @returns {Array} Returns `array`.
+   */
+  function arrayPush(array, values) {
+    var index = -1,
+        length = values.length,
+        offset = array.length;
+
+    while (++index < length) {
+      array[offset + index] = values[index];
+    }
+    return array;
+  }
+
+  /**
+   * A specialized version of `_.reduce` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the first element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduce(array, iteratee, accumulator, initAccum) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    if (initAccum && length) {
+      accumulator = array[++index];
+    }
+    while (++index < length) {
+      accumulator = iteratee(accumulator, array[index], index, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.reduceRight` for arrays without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} [accumulator] The initial value.
+   * @param {boolean} [initAccum] Specify using the last element of `array` as
+   *  the initial value.
+   * @returns {*} Returns the accumulated value.
+   */
+  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
+    var length = array == null ? 0 : array.length;
+    if (initAccum && length) {
+      accumulator = array[--length];
+    }
+    while (length--) {
+      accumulator = iteratee(accumulator, array[length], length, array);
+    }
+    return accumulator;
+  }
+
+  /**
+   * A specialized version of `_.some` for arrays without support for iteratee
+   * shorthands.
+   *
+   * @private
+   * @param {Array} [array] The array to iterate over.
+   * @param {Function} predicate The function invoked per iteration.
+   * @returns {boolean} Returns `true` if any element passes the predicate check,
+   *  else `false`.
+   */
+  function arraySome(array, predicate) {
+    var index = -1,
+        length = array == null ? 0 : array.length;
+
+    while (++index < length) {
+      if (predicate(array[index], index, array)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Gets the size of an ASCII `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  var asciiSize = baseProperty('length');
+
+  /**
+   * Converts an ASCII `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function asciiToArray(string) {
+    return string.split('');
+  }
+
+  /**
+   * Splits an ASCII `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function asciiWords(string) {
+    return string.match(reAsciiWord) || [];
+  }
+
+  /**
+   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+   * without support for iteratee shorthands, which iterates over `collection`
+   * using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the found element or its key, else `undefined`.
+   */
+  function baseFindKey(collection, predicate, eachFunc) {
+    var result;
+    eachFunc(collection, function(value, key, collection) {
+      if (predicate(value, key, collection)) {
+        result = key;
+        return false;
+      }
+    });
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+   * support for iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {Function} predicate The function invoked per iteration.
+   * @param {number} fromIndex The index to search from.
+   * @param {boolean} [fromRight] Specify iterating from right to left.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseFindIndex(array, predicate, fromIndex, fromRight) {
+    var length = array.length,
+        index = fromIndex + (fromRight ? 1 : -1);
+
+    while ((fromRight ? index-- : ++index < length)) {
+      if (predicate(array[index], index, array)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOf(array, value, fromIndex) {
+    return value === value
+      ? strictIndexOf(array, value, fromIndex)
+      : baseFindIndex(array, baseIsNaN, fromIndex);
+  }
+
+  /**
+   * This function is like `baseIndexOf` except that it accepts a comparator.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @param {Function} comparator The comparator invoked per element.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function baseIndexOfWith(array, value, fromIndex, comparator) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (comparator(array[index], value)) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * The base implementation of `_.isNaN` without support for number objects.
+   *
+   * @private
+   * @param {*} value The value to check.
+   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+   */
+  function baseIsNaN(value) {
+    return value !== value;
+  }
+
+  /**
+   * The base implementation of `_.mean` and `_.meanBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the mean.
+   */
+  function baseMean(array, iteratee) {
+    var length = array == null ? 0 : array.length;
+    return length ? (baseSum(array, iteratee) / length) : NAN;
+  }
+
+  /**
+   * The base implementation of `_.property` without support for deep paths.
+   *
+   * @private
+   * @param {string} key The key of the property to get.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function baseProperty(key) {
+    return function(object) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.propertyOf` without support for deep paths.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @returns {Function} Returns the new accessor function.
+   */
+  function basePropertyOf(object) {
+    return function(key) {
+      return object == null ? undefined : object[key];
+    };
+  }
+
+  /**
+   * The base implementation of `_.reduce` and `_.reduceRight`, without support
+   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+   *
+   * @private
+   * @param {Array|Object} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @param {*} accumulator The initial value.
+   * @param {boolean} initAccum Specify using the first or last element of
+   *  `collection` as the initial value.
+   * @param {Function} eachFunc The function to iterate over `collection`.
+   * @returns {*} Returns the accumulated value.
+   */
+  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+    eachFunc(collection, function(value, index, collection) {
+      accumulator = initAccum
+        ? (initAccum = false, value)
+        : iteratee(accumulator, value, index, collection);
+    });
+    return accumulator;
+  }
+
+  /**
+   * The base implementation of `_.sortBy` which uses `comparer` to define the
+   * sort order of `array` and replaces criteria objects with their corresponding
+   * values.
+   *
+   * @private
+   * @param {Array} array The array to sort.
+   * @param {Function} comparer The function to define sort order.
+   * @returns {Array} Returns `array`.
+   */
+  function baseSortBy(array, comparer) {
+    var length = array.length;
+
+    array.sort(comparer);
+    while (length--) {
+      array[length] = array[length].value;
+    }
+    return array;
+  }
+
+  /**
+   * The base implementation of `_.sum` and `_.sumBy` without support for
+   * iteratee shorthands.
+   *
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the sum.
+   */
+  function baseSum(array, iteratee) {
+    var result,
+        index = -1,
+        length = array.length;
+
+    while (++index < length) {
+      var current = iteratee(array[index]);
+      if (current !== undefined) {
+        result = result === undefined ? current : (result + current);
+      }
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.times` without support for iteratee shorthands
+   * or max array length checks.
+   *
+   * @private
+   * @param {number} n The number of times to invoke `iteratee`.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {Array} Returns the array of results.
+   */
+  function baseTimes(n, iteratee) {
+    var index = -1,
+        result = Array(n);
+
+    while (++index < n) {
+      result[index] = iteratee(index);
+    }
+    return result;
+  }
+
+  /**
+   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
+   * of key-value pairs for `object` corresponding to the property names of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the key-value pairs.
+   */
+  function baseToPairs(object, props) {
+    return arrayMap(props, function(key) {
+      return [key, object[key]];
+    });
+  }
+
+  /**
+   * The base implementation of `_.unary` without support for storing metadata.
+   *
+   * @private
+   * @param {Function} func The function to cap arguments for.
+   * @returns {Function} Returns the new capped function.
+   */
+  function baseUnary(func) {
+    return function(value) {
+      return func(value);
+    };
+  }
+
+  /**
+   * The base implementation of `_.values` and `_.valuesIn` which creates an
+   * array of `object` property values corresponding to the property names
+   * of `props`.
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array} props The property names to get values for.
+   * @returns {Object} Returns the array of property values.
+   */
+  function baseValues(object, props) {
+    return arrayMap(props, function(key) {
+      return object[key];
+    });
+  }
+
+  /**
+   * Checks if a `cache` value for `key` exists.
+   *
+   * @private
+   * @param {Object} cache The cache to query.
+   * @param {string} key The key of the entry to check.
+   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+   */
+  function cacheHas(cache, key) {
+    return cache.has(key);
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the first unmatched string symbol.
+   */
+  function charsStartIndex(strSymbols, chrSymbols) {
+    var index = -1,
+        length = strSymbols.length;
+
+    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+   * that is not found in the character symbols.
+   *
+   * @private
+   * @param {Array} strSymbols The string symbols to inspect.
+   * @param {Array} chrSymbols The character symbols to find.
+   * @returns {number} Returns the index of the last unmatched string symbol.
+   */
+  function charsEndIndex(strSymbols, chrSymbols) {
+    var index = strSymbols.length;
+
+    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+    return index;
+  }
+
+  /**
+   * Gets the number of `placeholder` occurrences in `array`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} placeholder The placeholder to search for.
+   * @returns {number} Returns the placeholder count.
+   */
+  function countHolders(array, placeholder) {
+    var length = array.length,
+        result = 0;
+
+    while (length--) {
+      if (array[length] === placeholder) {
+        ++result;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
+   * letters to basic Latin letters.
+   *
+   * @private
+   * @param {string} letter The matched letter to deburr.
+   * @returns {string} Returns the deburred letter.
+   */
+  var deburrLetter = basePropertyOf(deburredLetters);
+
+  /**
+   * Used by `_.escape` to convert characters to HTML entities.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  var escapeHtmlChar = basePropertyOf(htmlEscapes);
+
+  /**
+   * Used by `_.template` to escape characters for inclusion in compiled string literals.
+   *
+   * @private
+   * @param {string} chr The matched character to escape.
+   * @returns {string} Returns the escaped character.
+   */
+  function escapeStringChar(chr) {
+    return '\\' + stringEscapes[chr];
+  }
+
+  /**
+   * Gets the value at `key` of `object`.
+   *
+   * @private
+   * @param {Object} [object] The object to query.
+   * @param {string} key The key of the property to get.
+   * @returns {*} Returns the property value.
+   */
+  function getValue(object, key) {
+    return object == null ? undefined : object[key];
+  }
+
+  /**
+   * Checks if `string` contains Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+   */
+  function hasUnicode(string) {
+    return reHasUnicode.test(string);
+  }
+
+  /**
+   * Checks if `string` contains a word composed of Unicode symbols.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {boolean} Returns `true` if a word is found, else `false`.
+   */
+  function hasUnicodeWord(string) {
+    return reHasUnicodeWord.test(string);
+  }
+
+  /**
+   * Converts `iterator` to an array.
+   *
+   * @private
+   * @param {Object} iterator The iterator to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function iteratorToArray(iterator) {
+    var data,
+        result = [];
+
+    while (!(data = iterator.next()).done) {
+      result.push(data.value);
+    }
+    return result;
+  }
+
+  /**
+   * Converts `map` to its key-value pairs.
+   *
+   * @private
+   * @param {Object} map The map to convert.
+   * @returns {Array} Returns the key-value pairs.
+   */
+  function mapToArray(map) {
+    var index = -1,
+        result = Array(map.size);
+
+    map.forEach(function(value, key) {
+      result[++index] = [key, value];
+    });
+    return result;
+  }
+
+  /**
+   * Creates a unary function that invokes `func` with its argument transformed.
+   *
+   * @private
+   * @param {Function} func The function to wrap.
+   * @param {Function} transform The argument transform.
+   * @returns {Function} Returns the new function.
+   */
+  function overArg(func, transform) {
+    return function(arg) {
+      return func(transform(arg));
+    };
+  }
+
+  /**
+   * Replaces all `placeholder` elements in `array` with an internal placeholder
+   * and returns an array of their indexes.
+   *
+   * @private
+   * @param {Array} array The array to modify.
+   * @param {*} placeholder The placeholder to replace.
+   * @returns {Array} Returns the new array of placeholder indexes.
+   */
+  function replaceHolders(array, placeholder) {
+    var index = -1,
+        length = array.length,
+        resIndex = 0,
+        result = [];
+
+    while (++index < length) {
+      var value = array[index];
+      if (value === placeholder || value === PLACEHOLDER) {
+        array[index] = PLACEHOLDER;
+        result[resIndex++] = index;
+      }
+    }
+    return result;
+  }
+
+  /**
+   * Converts `set` to an array of its values.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the values.
+   */
+  function setToArray(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = value;
+    });
+    return result;
+  }
+
+  /**
+   * Converts `set` to its value-value pairs.
+   *
+   * @private
+   * @param {Object} set The set to convert.
+   * @returns {Array} Returns the value-value pairs.
+   */
+  function setToPairs(set) {
+    var index = -1,
+        result = Array(set.size);
+
+    set.forEach(function(value) {
+      result[++index] = [value, value];
+    });
+    return result;
+  }
+
+  /**
+   * A specialized version of `_.indexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictIndexOf(array, value, fromIndex) {
+    var index = fromIndex - 1,
+        length = array.length;
+
+    while (++index < length) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * A specialized version of `_.lastIndexOf` which performs strict equality
+   * comparisons of values, i.e. `===`.
+   *
+   * @private
+   * @param {Array} array The array to inspect.
+   * @param {*} value The value to search for.
+   * @param {number} fromIndex The index to search from.
+   * @returns {number} Returns the index of the matched value, else `-1`.
+   */
+  function strictLastIndexOf(array, value, fromIndex) {
+    var index = fromIndex + 1;
+    while (index--) {
+      if (array[index] === value) {
+        return index;
+      }
+    }
+    return index;
+  }
+
+  /**
+   * Gets the number of symbols in `string`.
+   *
+   * @private
+   * @param {string} string The string to inspect.
+   * @returns {number} Returns the string size.
+   */
+  function stringSize(string) {
+    return hasUnicode(string)
+      ? unicodeSize(string)
+      : asciiSize(string);
+  }
+
+  /**
+   * Converts `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function stringToArray(string) {
+    return hasUnicode(string)
+      ? unicodeToArray(string)
+      : asciiToArray(string);
+  }
+
+  /**
+   * Used by `_.unescape` to convert HTML entities to characters.
+   *
+   * @private
+   * @param {string} chr The matched character to unescape.
+   * @returns {string} Returns the unescaped character.
+   */
+  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+
+  /**
+   * Gets the size of a Unicode `string`.
+   *
+   * @private
+   * @param {string} string The string inspect.
+   * @returns {number} Returns the string size.
+   */
+  function unicodeSize(string) {
+    var result = reUnicode.lastIndex = 0;
+    while (reUnicode.test(string)) {
+      ++result;
+    }
+    return result;
+  }
+
+  /**
+   * Converts a Unicode `string` to an array.
+   *
+   * @private
+   * @param {string} string The string to convert.
+   * @returns {Array} Returns the converted array.
+   */
+  function unicodeToArray(string) {
+    return string.match(reUnicode) || [];
+  }
+
+  /**
+   * Splits a Unicode `string` into an array of its words.
+   *
+   * @private
+   * @param {string} The string to inspect.
+   * @returns {Array} Returns the words of `string`.
+   */
+  function unicodeWords(string) {
+    return string.match(reUnicodeWord) || [];
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Create a new pristine `lodash` function using the `context` object.
+   *
+   * @static
+   * @memberOf _
+   * @since 1.1.0
+   * @category Util
+   * @param {Object} [context=root] The context object.
+   * @returns {Function} Returns a new `lodash` function.
+   * @example
+   *
+   * _.mixin({ 'foo': _.constant('foo') });
+   *
+   * var lodash = _.runInContext();
+   * lodash.mixin({ 'bar': lodash.constant('bar') });
+   *
+   * _.isFunction(_.foo);
+   * // => true
+   * _.isFunction(_.bar);
+   * // => false
+   *
+   * lodash.isFunction(lodash.foo);
+   * // => false
+   * lodash.isFunction(lodash.bar);
+   * // => true
+   *
+   * // Create a suped-up `defer` in Node.js.
+   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+   */
+  var runInContext = (function runInContext(context) {
+    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
+
+    /** Built-in constructor references. */
+    var Array = context.Array,
+        Date = context.Date,
+        Error = context.Error,
+        Function = context.Function,
+        Math = context.Math,
+        Object = context.Object,
+        RegExp = context.RegExp,
+        String = context.String,
+        TypeError = context.TypeError;
+
+    /** Used for built-in method references. */
+    var arrayProto = Array.prototype,
+        funcProto = Function.prototype,
+        objectProto = Object.prototype;
+
+    /** Used to detect overreaching core-js shims. */
+    var coreJsData = context['__core-js_shared__'];
+
+    /** Used to resolve the decompiled source of functions. */
+    var funcToString = funcProto.toString;
+
+    /** Used to check objects for own properties. */
+    var hasOwnProperty = objectProto.hasOwnProperty;
+
+    /** Used to generate unique IDs. */
+    var idCounter = 0;
+
+    /** Used to detect methods masquerading as native. */
+    var maskSrcKey = (function() {
+      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+      return uid ? ('Symbol(src)_1.' + uid) : '';
+    }());
+
+    /**
+     * Used to resolve the
+     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+     * of values.
+     */
+    var nativeObjectToString = objectProto.toString;
+
+    /** Used to infer the `Object` constructor. */
+    var objectCtorString = funcToString.call(Object);
+
+    /** Used to restore the original `_` reference in `_.noConflict`. */
+    var oldDash = root._;
+
+    /** Used to detect if a method is native. */
+    var reIsNative = RegExp('^' +
+      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+    );
+
+    /** Built-in value references. */
+    var Buffer = moduleExports ? context.Buffer : undefined,
+        Symbol = context.Symbol,
+        Uint8Array = context.Uint8Array,
+        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
+        getPrototype = overArg(Object.getPrototypeOf, Object),
+        objectCreate = Object.create,
+        propertyIsEnumerable = objectProto.propertyIsEnumerable,
+        splice = arrayProto.splice,
+        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
+        symIterator = Symbol ? Symbol.iterator : undefined,
+        symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+    var defineProperty = (function() {
+      try {
+        var func = getNative(Object, 'defineProperty');
+        func({}, '', {});
+        return func;
+      } catch (e) {}
+    }());
+
+    /** Mocked built-ins. */
+    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
+        ctxNow = Date && Date.now !== root.Date.now && Date.now,
+        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
+
+    /* Built-in method references for those with the same name as other `lodash` methods. */
+    var nativeCeil = Math.ceil,
+        nativeFloor = Math.floor,
+        nativeGetSymbols = Object.getOwnPropertySymbols,
+        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
+        nativeIsFinite = context.isFinite,
+        nativeJoin = arrayProto.join,
+        nativeKeys = overArg(Object.keys, Object),
+        nativeMax = Math.max,
+        nativeMin = Math.min,
+        nativeNow = Date.now,
+        nativeParseInt = context.parseInt,
+        nativeRandom = Math.random,
+        nativeReverse = arrayProto.reverse;
+
+    /* Built-in method references that are verified to be native. */
+    var DataView = getNative(context, 'DataView'),
+        Map = getNative(context, 'Map'),
+        Promise = getNative(context, 'Promise'),
+        Set = getNative(context, 'Set'),
+        WeakMap = getNative(context, 'WeakMap'),
+        nativeCreate = getNative(Object, 'create');
+
+    /** Used to store function metadata. */
+    var metaMap = WeakMap && new WeakMap;
+
+    /** Used to lookup unminified function names. */
+    var realNames = {};
+
+    /** Used to detect maps, sets, and weakmaps. */
+    var dataViewCtorString = toSource(DataView),
+        mapCtorString = toSource(Map),
+        promiseCtorString = toSource(Promise),
+        setCtorString = toSource(Set),
+        weakMapCtorString = toSource(WeakMap);
+
+    /** Used to convert symbols to primitives and strings. */
+    var symbolProto = Symbol ? Symbol.prototype : undefined,
+        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
+        symbolToString = symbolProto ? symbolProto.toString : undefined;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` object which wraps `value` to enable implicit method
+     * chain sequences. Methods that operate on and return arrays, collections,
+     * and functions can be chained together. Methods that retrieve a single value
+     * or may return a primitive value will automatically end the chain sequence
+     * and return the unwrapped value. Otherwise, the value must be unwrapped
+     * with `_#value`.
+     *
+     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+     * enabled using `_.chain`.
+     *
+     * The execution of chained methods is lazy, that is, it's deferred until
+     * `_#value` is implicitly or explicitly called.
+     *
+     * Lazy evaluation allows several methods to support shortcut fusion.
+     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+     * the creation of intermediate arrays and can greatly reduce the number of
+     * iteratee executions. Sections of a chain sequence qualify for shortcut
+     * fusion if the section is applied to an array and iteratees accept only
+     * one argument. The heuristic for whether a section qualifies for shortcut
+     * fusion is subject to change.
+     *
+     * Chaining is supported in custom builds as long as the `_#value` method is
+     * directly or indirectly included in the build.
+     *
+     * In addition to lodash methods, wrappers have `Array` and `String` methods.
+     *
+     * The wrapper `Array` methods are:
+     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+     *
+     * The wrapper `String` methods are:
+     * `replace` and `split`
+     *
+     * The wrapper methods that support shortcut fusion are:
+     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+     *
+     * The chainable wrapper methods are:
+     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+     * `zipObject`, `zipObjectDeep`, and `zipWith`
+     *
+     * The wrapper methods that are **not** chainable by default are:
+     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+     * `upperFirst`, `value`, and `words`
+     *
+     * @name _
+     * @constructor
+     * @category Seq
+     * @param {*} value The value to wrap in a `lodash` instance.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2, 3]);
+     *
+     * // Returns an unwrapped value.
+     * wrapped.reduce(_.add);
+     * // => 6
+     *
+     * // Returns a wrapped value.
+     * var squares = wrapped.map(square);
+     *
+     * _.isArray(squares);
+     * // => false
+     *
+     * _.isArray(squares.value());
+     * // => true
+     */
+    function lodash(value) {
+      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+        if (value instanceof LodashWrapper) {
+          return value;
+        }
+        if (hasOwnProperty.call(value, '__wrapped__')) {
+          return wrapperClone(value);
+        }
+      }
+      return new LodashWrapper(value);
+    }
+
+    /**
+     * The base implementation of `_.create` without support for assigning
+     * properties to the created object.
+     *
+     * @private
+     * @param {Object} proto The object to inherit from.
+     * @returns {Object} Returns the new object.
+     */
+    var baseCreate = (function() {
+      function object() {}
+      return function(proto) {
+        if (!isObject(proto)) {
+          return {};
+        }
+        if (objectCreate) {
+          return objectCreate(proto);
+        }
+        object.prototype = proto;
+        var result = new object;
+        object.prototype = undefined;
+        return result;
+      };
+    }());
+
+    /**
+     * The function whose prototype chain sequence wrappers inherit from.
+     *
+     * @private
+     */
+    function baseLodash() {
+      // No operation performed.
+    }
+
+    /**
+     * The base constructor for creating `lodash` wrapper objects.
+     *
+     * @private
+     * @param {*} value The value to wrap.
+     * @param {boolean} [chainAll] Enable explicit method chain sequences.
+     */
+    function LodashWrapper(value, chainAll) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__chain__ = !!chainAll;
+      this.__index__ = 0;
+      this.__values__ = undefined;
+    }
+
+    /**
+     * By default, the template delimiters used by lodash are like those in
+     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
+     * following template settings to use alternative delimiters.
+     *
+     * @static
+     * @memberOf _
+     * @type {Object}
+     */
+    lodash.templateSettings = {
+
+      /**
+       * Used to detect `data` property values to be HTML-escaped.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'escape': reEscape,
+
+      /**
+       * Used to detect code to be evaluated.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'evaluate': reEvaluate,
+
+      /**
+       * Used to detect `data` property values to inject.
+       *
+       * @memberOf _.templateSettings
+       * @type {RegExp}
+       */
+      'interpolate': reInterpolate,
+
+      /**
+       * Used to reference the data object in the template text.
+       *
+       * @memberOf _.templateSettings
+       * @type {string}
+       */
+      'variable': '',
+
+      /**
+       * Used to import variables into the compiled template.
+       *
+       * @memberOf _.templateSettings
+       * @type {Object}
+       */
+      'imports': {
+
+        /**
+         * A reference to the `lodash` function.
+         *
+         * @memberOf _.templateSettings.imports
+         * @type {Function}
+         */
+        '_': lodash
+      }
+    };
+
+    // Ensure wrappers are instances of `baseLodash`.
+    lodash.prototype = baseLodash.prototype;
+    lodash.prototype.constructor = lodash;
+
+    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+    LodashWrapper.prototype.constructor = LodashWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+     *
+     * @private
+     * @constructor
+     * @param {*} value The value to wrap.
+     */
+    function LazyWrapper(value) {
+      this.__wrapped__ = value;
+      this.__actions__ = [];
+      this.__dir__ = 1;
+      this.__filtered__ = false;
+      this.__iteratees__ = [];
+      this.__takeCount__ = MAX_ARRAY_LENGTH;
+      this.__views__ = [];
+    }
+
+    /**
+     * Creates a clone of the lazy wrapper object.
+     *
+     * @private
+     * @name clone
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the cloned `LazyWrapper` object.
+     */
+    function lazyClone() {
+      var result = new LazyWrapper(this.__wrapped__);
+      result.__actions__ = copyArray(this.__actions__);
+      result.__dir__ = this.__dir__;
+      result.__filtered__ = this.__filtered__;
+      result.__iteratees__ = copyArray(this.__iteratees__);
+      result.__takeCount__ = this.__takeCount__;
+      result.__views__ = copyArray(this.__views__);
+      return result;
+    }
+
+    /**
+     * Reverses the direction of lazy iteration.
+     *
+     * @private
+     * @name reverse
+     * @memberOf LazyWrapper
+     * @returns {Object} Returns the new reversed `LazyWrapper` object.
+     */
+    function lazyReverse() {
+      if (this.__filtered__) {
+        var result = new LazyWrapper(this);
+        result.__dir__ = -1;
+        result.__filtered__ = true;
+      } else {
+        result = this.clone();
+        result.__dir__ *= -1;
+      }
+      return result;
+    }
+
+    /**
+     * Extracts the unwrapped value from its lazy wrapper.
+     *
+     * @private
+     * @name value
+     * @memberOf LazyWrapper
+     * @returns {*} Returns the unwrapped value.
+     */
+    function lazyValue() {
+      var array = this.__wrapped__.value(),
+          dir = this.__dir__,
+          isArr = isArray(array),
+          isRight = dir < 0,
+          arrLength = isArr ? array.length : 0,
+          view = getView(0, arrLength, this.__views__),
+          start = view.start,
+          end = view.end,
+          length = end - start,
+          index = isRight ? end : (start - 1),
+          iteratees = this.__iteratees__,
+          iterLength = iteratees.length,
+          resIndex = 0,
+          takeCount = nativeMin(length, this.__takeCount__);
+
+      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
+        return baseWrapperValue(array, this.__actions__);
+      }
+      var result = [];
+
+      outer:
+      while (length-- && resIndex < takeCount) {
+        index += dir;
+
+        var iterIndex = -1,
+            value = array[index];
+
+        while (++iterIndex < iterLength) {
+          var data = iteratees[iterIndex],
+              iteratee = data.iteratee,
+              type = data.type,
+              computed = iteratee(value);
+
+          if (type == LAZY_MAP_FLAG) {
+            value = computed;
+          } else if (!computed) {
+            if (type == LAZY_FILTER_FLAG) {
+              continue outer;
+            } else {
+              break outer;
+            }
+          }
+        }
+        result[resIndex++] = value;
+      }
+      return result;
+    }
+
+    // Ensure `LazyWrapper` is an instance of `baseLodash`.
+    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+    LazyWrapper.prototype.constructor = LazyWrapper;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a hash object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Hash(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the hash.
+     *
+     * @private
+     * @name clear
+     * @memberOf Hash
+     */
+    function hashClear() {
+      this.__data__ = nativeCreate ? nativeCreate(null) : {};
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the hash.
+     *
+     * @private
+     * @name delete
+     * @memberOf Hash
+     * @param {Object} hash The hash to modify.
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function hashDelete(key) {
+      var result = this.has(key) && delete this.__data__[key];
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the hash value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Hash
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function hashGet(key) {
+      var data = this.__data__;
+      if (nativeCreate) {
+        var result = data[key];
+        return result === HASH_UNDEFINED ? undefined : result;
+      }
+      return hasOwnProperty.call(data, key) ? data[key] : undefined;
+    }
+
+    /**
+     * Checks if a hash value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Hash
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function hashHas(key) {
+      var data = this.__data__;
+      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
+    }
+
+    /**
+     * Sets the hash `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Hash
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the hash instance.
+     */
+    function hashSet(key, value) {
+      var data = this.__data__;
+      this.size += this.has(key) ? 0 : 1;
+      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+      return this;
+    }
+
+    // Add methods to `Hash`.
+    Hash.prototype.clear = hashClear;
+    Hash.prototype['delete'] = hashDelete;
+    Hash.prototype.get = hashGet;
+    Hash.prototype.has = hashHas;
+    Hash.prototype.set = hashSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an list cache object.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function ListCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the list cache.
+     *
+     * @private
+     * @name clear
+     * @memberOf ListCache
+     */
+    function listCacheClear() {
+      this.__data__ = [];
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the list cache.
+     *
+     * @private
+     * @name delete
+     * @memberOf ListCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function listCacheDelete(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        return false;
+      }
+      var lastIndex = data.length - 1;
+      if (index == lastIndex) {
+        data.pop();
+      } else {
+        splice.call(data, index, 1);
+      }
+      --this.size;
+      return true;
+    }
+
+    /**
+     * Gets the list cache value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf ListCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function listCacheGet(key) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      return index < 0 ? undefined : data[index][1];
+    }
+
+    /**
+     * Checks if a list cache value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf ListCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function listCacheHas(key) {
+      return assocIndexOf(this.__data__, key) > -1;
+    }
+
+    /**
+     * Sets the list cache `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf ListCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the list cache instance.
+     */
+    function listCacheSet(key, value) {
+      var data = this.__data__,
+          index = assocIndexOf(data, key);
+
+      if (index < 0) {
+        ++this.size;
+        data.push([key, value]);
+      } else {
+        data[index][1] = value;
+      }
+      return this;
+    }
+
+    // Add methods to `ListCache`.
+    ListCache.prototype.clear = listCacheClear;
+    ListCache.prototype['delete'] = listCacheDelete;
+    ListCache.prototype.get = listCacheGet;
+    ListCache.prototype.has = listCacheHas;
+    ListCache.prototype.set = listCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a map cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function MapCache(entries) {
+      var index = -1,
+          length = entries == null ? 0 : entries.length;
+
+      this.clear();
+      while (++index < length) {
+        var entry = entries[index];
+        this.set(entry[0], entry[1]);
+      }
+    }
+
+    /**
+     * Removes all key-value entries from the map.
+     *
+     * @private
+     * @name clear
+     * @memberOf MapCache
+     */
+    function mapCacheClear() {
+      this.size = 0;
+      this.__data__ = {
+        'hash': new Hash,
+        'map': new (Map || ListCache),
+        'string': new Hash
+      };
+    }
+
+    /**
+     * Removes `key` and its value from the map.
+     *
+     * @private
+     * @name delete
+     * @memberOf MapCache
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function mapCacheDelete(key) {
+      var result = getMapData(this, key)['delete'](key);
+      this.size -= result ? 1 : 0;
+      return result;
+    }
+
+    /**
+     * Gets the map value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf MapCache
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function mapCacheGet(key) {
+      return getMapData(this, key).get(key);
+    }
+
+    /**
+     * Checks if a map value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf MapCache
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function mapCacheHas(key) {
+      return getMapData(this, key).has(key);
+    }
+
+    /**
+     * Sets the map `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf MapCache
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the map cache instance.
+     */
+    function mapCacheSet(key, value) {
+      var data = getMapData(this, key),
+          size = data.size;
+
+      data.set(key, value);
+      this.size += data.size == size ? 0 : 1;
+      return this;
+    }
+
+    // Add methods to `MapCache`.
+    MapCache.prototype.clear = mapCacheClear;
+    MapCache.prototype['delete'] = mapCacheDelete;
+    MapCache.prototype.get = mapCacheGet;
+    MapCache.prototype.has = mapCacheHas;
+    MapCache.prototype.set = mapCacheSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     *
+     * Creates an array cache object to store unique values.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [values] The values to cache.
+     */
+    function SetCache(values) {
+      var index = -1,
+          length = values == null ? 0 : values.length;
+
+      this.__data__ = new MapCache;
+      while (++index < length) {
+        this.add(values[index]);
+      }
+    }
+
+    /**
+     * Adds `value` to the array cache.
+     *
+     * @private
+     * @name add
+     * @memberOf SetCache
+     * @alias push
+     * @param {*} value The value to cache.
+     * @returns {Object} Returns the cache instance.
+     */
+    function setCacheAdd(value) {
+      this.__data__.set(value, HASH_UNDEFINED);
+      return this;
+    }
+
+    /**
+     * Checks if `value` is in the array cache.
+     *
+     * @private
+     * @name has
+     * @memberOf SetCache
+     * @param {*} value The value to search for.
+     * @returns {number} Returns `true` if `value` is found, else `false`.
+     */
+    function setCacheHas(value) {
+      return this.__data__.has(value);
+    }
+
+    // Add methods to `SetCache`.
+    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+    SetCache.prototype.has = setCacheHas;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a stack cache object to store key-value pairs.
+     *
+     * @private
+     * @constructor
+     * @param {Array} [entries] The key-value pairs to cache.
+     */
+    function Stack(entries) {
+      var data = this.__data__ = new ListCache(entries);
+      this.size = data.size;
+    }
+
+    /**
+     * Removes all key-value entries from the stack.
+     *
+     * @private
+     * @name clear
+     * @memberOf Stack
+     */
+    function stackClear() {
+      this.__data__ = new ListCache;
+      this.size = 0;
+    }
+
+    /**
+     * Removes `key` and its value from the stack.
+     *
+     * @private
+     * @name delete
+     * @memberOf Stack
+     * @param {string} key The key of the value to remove.
+     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+     */
+    function stackDelete(key) {
+      var data = this.__data__,
+          result = data['delete'](key);
+
+      this.size = data.size;
+      return result;
+    }
+
+    /**
+     * Gets the stack value for `key`.
+     *
+     * @private
+     * @name get
+     * @memberOf Stack
+     * @param {string} key The key of the value to get.
+     * @returns {*} Returns the entry value.
+     */
+    function stackGet(key) {
+      return this.__data__.get(key);
+    }
+
+    /**
+     * Checks if a stack value for `key` exists.
+     *
+     * @private
+     * @name has
+     * @memberOf Stack
+     * @param {string} key The key of the entry to check.
+     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+     */
+    function stackHas(key) {
+      return this.__data__.has(key);
+    }
+
+    /**
+     * Sets the stack `key` to `value`.
+     *
+     * @private
+     * @name set
+     * @memberOf Stack
+     * @param {string} key The key of the value to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns the stack cache instance.
+     */
+    function stackSet(key, value) {
+      var data = this.__data__;
+      if (data instanceof ListCache) {
+        var pairs = data.__data__;
+        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+          pairs.push([key, value]);
+          this.size = ++data.size;
+          return this;
+        }
+        data = this.__data__ = new MapCache(pairs);
+      }
+      data.set(key, value);
+      this.size = data.size;
+      return this;
+    }
+
+    // Add methods to `Stack`.
+    Stack.prototype.clear = stackClear;
+    Stack.prototype['delete'] = stackDelete;
+    Stack.prototype.get = stackGet;
+    Stack.prototype.has = stackHas;
+    Stack.prototype.set = stackSet;
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of the enumerable property names of the array-like `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @param {boolean} inherited Specify returning inherited property names.
+     * @returns {Array} Returns the array of property names.
+     */
+    function arrayLikeKeys(value, inherited) {
+      var isArr = isArray(value),
+          isArg = !isArr && isArguments(value),
+          isBuff = !isArr && !isArg && isBuffer(value),
+          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+          skipIndexes = isArr || isArg || isBuff || isType,
+          result = skipIndexes ? baseTimes(value.length, String) : [],
+          length = result.length;
+
+      for (var key in value) {
+        if ((inherited || hasOwnProperty.call(value, key)) &&
+            !(skipIndexes && (
+               // Safari 9 has enumerable `arguments.length` in strict mode.
+               key == 'length' ||
+               // Node.js 0.10 has enumerable non-index properties on buffers.
+               (isBuff && (key == 'offset' || key == 'parent')) ||
+               // PhantomJS 2 has enumerable non-index properties on typed arrays.
+               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+               // Skip index properties.
+               isIndex(key, length)
+            ))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `_.sample` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @returns {*} Returns the random element.
+     */
+    function arraySample(array) {
+      var length = array.length;
+      return length ? array[baseRandom(0, length - 1)] : undefined;
+    }
+
+    /**
+     * A specialized version of `_.sampleSize` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function arraySampleSize(array, n) {
+      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * A specialized version of `_.shuffle` for arrays.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function arrayShuffle(array) {
+      return shuffleSelf(copyArray(array));
+    }
+
+    /**
+     * This function is like `assignValue` except that it doesn't assign
+     * `undefined` values.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignMergeValue(object, key, value) {
+      if ((value !== undefined && !eq(object[key], value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Assigns `value` to `key` of `object` if the existing value is not equivalent
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function assignValue(object, key, value) {
+      var objValue = object[key];
+      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+          (value === undefined && !(key in object))) {
+        baseAssignValue(object, key, value);
+      }
+    }
+
+    /**
+     * Gets the index at which the `key` is found in `array` of key-value pairs.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {*} key The key to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     */
+    function assocIndexOf(array, key) {
+      var length = array.length;
+      while (length--) {
+        if (eq(array[length][0], key)) {
+          return length;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * Aggregates elements of `collection` on `accumulator` with keys transformed
+     * by `iteratee` and values set by `setter`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform keys.
+     * @param {Object} accumulator The initial aggregated object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseAggregator(collection, setter, iteratee, accumulator) {
+      baseEach(collection, function(value, key, collection) {
+        setter(accumulator, value, iteratee(value), collection);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.assign` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssign(object, source) {
+      return object && copyObject(source, keys(source), object);
+    }
+
+    /**
+     * The base implementation of `_.assignIn` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssignIn(object, source) {
+      return object && copyObject(source, keysIn(source), object);
+    }
+
+    /**
+     * The base implementation of `assignValue` and `assignMergeValue` without
+     * value checks.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {string} key The key of the property to assign.
+     * @param {*} value The value to assign.
+     */
+    function baseAssignValue(object, key, value) {
+      if (key == '__proto__' && defineProperty) {
+        defineProperty(object, key, {
+          'configurable': true,
+          'enumerable': true,
+          'value': value,
+          'writable': true
+        });
+      } else {
+        object[key] = value;
+      }
+    }
+
+    /**
+     * The base implementation of `_.at` without support for individual paths.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Array} Returns the picked elements.
+     */
+    function baseAt(object, paths) {
+      var index = -1,
+          length = paths.length,
+          result = Array(length),
+          skip = object == null;
+
+      while (++index < length) {
+        result[index] = skip ? undefined : get(object, paths[index]);
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.clamp` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     */
+    function baseClamp(number, lower, upper) {
+      if (number === number) {
+        if (upper !== undefined) {
+          number = number <= upper ? number : upper;
+        }
+        if (lower !== undefined) {
+          number = number >= lower ? number : lower;
+        }
+      }
+      return number;
+    }
+
+    /**
+     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+     * traversed objects.
+     *
+     * @private
+     * @param {*} value The value to clone.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Deep clone
+     *  2 - Flatten inherited properties
+     *  4 - Clone symbols
+     * @param {Function} [customizer] The function to customize cloning.
+     * @param {string} [key] The key of `value`.
+     * @param {Object} [object] The parent object of `value`.
+     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+     * @returns {*} Returns the cloned value.
+     */
+    function baseClone(value, bitmask, customizer, key, object, stack) {
+      var result,
+          isDeep = bitmask & CLONE_DEEP_FLAG,
+          isFlat = bitmask & CLONE_FLAT_FLAG,
+          isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
+      if (customizer) {
+        result = object ? customizer(value, key, object, stack) : customizer(value);
+      }
+      if (result !== undefined) {
+        return result;
+      }
+      if (!isObject(value)) {
+        return value;
+      }
+      var isArr = isArray(value);
+      if (isArr) {
+        result = initCloneArray(value);
+        if (!isDeep) {
+          return copyArray(value, result);
+        }
+      } else {
+        var tag = getTag(value),
+            isFunc = tag == funcTag || tag == genTag;
+
+        if (isBuffer(value)) {
+          return cloneBuffer(value, isDeep);
+        }
+        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+          result = (isFlat || isFunc) ? {} : initCloneObject(value);
+          if (!isDeep) {
+            return isFlat
+              ? copySymbolsIn(value, baseAssignIn(result, value))
+              : copySymbols(value, baseAssign(result, value));
+          }
+        } else {
+          if (!cloneableTags[tag]) {
+            return object ? value : {};
+          }
+          result = initCloneByTag(value, tag, isDeep);
+        }
+      }
+      // Check for circular references and return its corresponding clone.
+      stack || (stack = new Stack);
+      var stacked = stack.get(value);
+      if (stacked) {
+        return stacked;
+      }
+      stack.set(value, result);
+
+      if (isSet(value)) {
+        value.forEach(function(subValue) {
+          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+        });
+      } else if (isMap(value)) {
+        value.forEach(function(subValue, key) {
+          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
+        });
+      }
+
+      var keysFunc = isFull
+        ? (isFlat ? getAllKeysIn : getAllKeys)
+        : (isFlat ? keysIn : keys);
+
+      var props = isArr ? undefined : keysFunc(value);
+      arrayEach(props || value, function(subValue, key) {
+        if (props) {
+          key = subValue;
+          subValue = value[key];
+        }
+        // Recursively populate clone (susceptible to call stack limits).
+        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.conforms` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseConforms(source) {
+      var props = keys(source);
+      return function(object) {
+        return baseConformsTo(object, source, props);
+      };
+    }
+
+    /**
+     * The base implementation of `_.conformsTo` which accepts `props` to check.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     */
+    function baseConformsTo(object, source, props) {
+      var length = props.length;
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (length--) {
+        var key = props[length],
+            predicate = source[key],
+            value = object[key];
+
+        if ((value === undefined && !(key in object)) || !predicate(value)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.delay` and `_.defer` which accepts `args`
+     * to provide to `func`.
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {Array} args The arguments to provide to `func`.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    function baseDelay(func, wait, args) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return setTimeout(function() { func.apply(undefined, args); }, wait);
+    }
+
+    /**
+     * The base implementation of methods like `_.difference` without support
+     * for excluding multiple arrays or iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Array} values The values to exclude.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     */
+    function baseDifference(array, values, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          isCommon = true,
+          length = array.length,
+          result = [],
+          valuesLength = values.length;
+
+      if (!length) {
+        return result;
+      }
+      if (iteratee) {
+        values = arrayMap(values, baseUnary(iteratee));
+      }
+      if (comparator) {
+        includes = arrayIncludesWith;
+        isCommon = false;
+      }
+      else if (values.length >= LARGE_ARRAY_SIZE) {
+        includes = cacheHas;
+        isCommon = false;
+        values = new SetCache(values);
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee == null ? value : iteratee(value);
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var valuesIndex = valuesLength;
+          while (valuesIndex--) {
+            if (values[valuesIndex] === computed) {
+              continue outer;
+            }
+          }
+          result.push(value);
+        }
+        else if (!includes(values, computed, comparator)) {
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.forEach` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEach = createBaseEach(baseForOwn);
+
+    /**
+     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     */
+    var baseEachRight = createBaseEach(baseForOwnRight, true);
+
+    /**
+     * The base implementation of `_.every` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`
+     */
+    function baseEvery(collection, predicate) {
+      var result = true;
+      baseEach(collection, function(value, index, collection) {
+        result = !!predicate(value, index, collection);
+        return result;
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of methods like `_.max` and `_.min` which accepts a
+     * `comparator` to determine the extremum value.
+     *
+     * @private
+     * @param {Array} array The array to iterate over.
+     * @param {Function} iteratee The iteratee invoked per iteration.
+     * @param {Function} comparator The comparator used to compare values.
+     * @returns {*} Returns the extremum value.
+     */
+    function baseExtremum(array, iteratee, comparator) {
+      var index = -1,
+          length = array.length;
+
+      while (++index < length) {
+        var value = array[index],
+            current = iteratee(value);
+
+        if (current != null && (computed === undefined
+              ? (current === current && !isSymbol(current))
+              : comparator(current, computed)
+            )) {
+          var computed = current,
+              result = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.fill` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     */
+    function baseFill(array, value, start, end) {
+      var length = array.length;
+
+      start = toInteger(start);
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = (end === undefined || end > length) ? length : toInteger(end);
+      if (end < 0) {
+        end += length;
+      }
+      end = start > end ? 0 : toLength(end);
+      while (start < end) {
+        array[start++] = value;
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.filter` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     */
+    function baseFilter(collection, predicate) {
+      var result = [];
+      baseEach(collection, function(value, index, collection) {
+        if (predicate(value, index, collection)) {
+          result.push(value);
+        }
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.flatten` with support for restricting flattening.
+     *
+     * @private
+     * @param {Array} array The array to flatten.
+     * @param {number} depth The maximum recursion depth.
+     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+     * @param {Array} [result=[]] The initial result value.
+     * @returns {Array} Returns the new flattened array.
+     */
+    function baseFlatten(array, depth, predicate, isStrict, result) {
+      var index = -1,
+          length = array.length;
+
+      predicate || (predicate = isFlattenable);
+      result || (result = []);
+
+      while (++index < length) {
+        var value = array[index];
+        if (depth > 0 && predicate(value)) {
+          if (depth > 1) {
+            // Recursively flatten arrays (susceptible to call stack limits).
+            baseFlatten(value, depth - 1, predicate, isStrict, result);
+          } else {
+            arrayPush(result, value);
+          }
+        } else if (!isStrict) {
+          result[result.length] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `baseForOwn` which iterates over `object`
+     * properties returned by `keysFunc` and invokes `iteratee` for each property.
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseFor = createBaseFor();
+
+    /**
+     * This function is like `baseFor` except that it iterates over properties
+     * in the opposite order.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @returns {Object} Returns `object`.
+     */
+    var baseForRight = createBaseFor(true);
+
+    /**
+     * The base implementation of `_.forOwn` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwn(object, iteratee) {
+      return object && baseFor(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     */
+    function baseForOwnRight(object, iteratee) {
+      return object && baseForRight(object, iteratee, keys);
+    }
+
+    /**
+     * The base implementation of `_.functions` which creates an array of
+     * `object` function property names filtered from `props`.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Array} props The property names to filter.
+     * @returns {Array} Returns the function names.
+     */
+    function baseFunctions(object, props) {
+      return arrayFilter(props, function(key) {
+        return isFunction(object[key]);
+      });
+    }
+
+    /**
+     * The base implementation of `_.get` without support for default values.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseGet(object, path) {
+      path = castPath(path, object);
+
+      var index = 0,
+          length = path.length;
+
+      while (object != null && index < length) {
+        object = object[toKey(path[index++])];
+      }
+      return (index && index == length) ? object : undefined;
+    }
+
+    /**
+     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Function} keysFunc The function to get the keys of `object`.
+     * @param {Function} symbolsFunc The function to get the symbols of `object`.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+      var result = keysFunc(object);
+      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+    }
+
+    /**
+     * The base implementation of `getTag` without fallbacks for buggy environments.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    function baseGetTag(value) {
+      if (value == null) {
+        return value === undefined ? undefinedTag : nullTag;
+      }
+      return (symToStringTag && symToStringTag in Object(value))
+        ? getRawTag(value)
+        : objectToString(value);
+    }
+
+    /**
+     * The base implementation of `_.gt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     */
+    function baseGt(value, other) {
+      return value > other;
+    }
+
+    /**
+     * The base implementation of `_.has` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHas(object, key) {
+      return object != null && hasOwnProperty.call(object, key);
+    }
+
+    /**
+     * The base implementation of `_.hasIn` without support for deep paths.
+     *
+     * @private
+     * @param {Object} [object] The object to query.
+     * @param {Array|string} key The key to check.
+     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+     */
+    function baseHasIn(object, key) {
+      return object != null && key in Object(object);
+    }
+
+    /**
+     * The base implementation of `_.inRange` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {number} number The number to check.
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     */
+    function baseInRange(number, start, end) {
+      return number >= nativeMin(start, end) && number < nativeMax(start, end);
+    }
+
+    /**
+     * The base implementation of methods like `_.intersection`, without support
+     * for iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of shared values.
+     */
+    function baseIntersection(arrays, iteratee, comparator) {
+      var includes = comparator ? arrayIncludesWith : arrayIncludes,
+          length = arrays[0].length,
+          othLength = arrays.length,
+          othIndex = othLength,
+          caches = Array(othLength),
+          maxLength = Infinity,
+          result = [];
+
+      while (othIndex--) {
+        var array = arrays[othIndex];
+        if (othIndex && iteratee) {
+          array = arrayMap(array, baseUnary(iteratee));
+        }
+        maxLength = nativeMin(array.length, maxLength);
+        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
+          ? new SetCache(othIndex && array)
+          : undefined;
+      }
+      array = arrays[0];
+
+      var index = -1,
+          seen = caches[0];
+
+      outer:
+      while (++index < length && result.length < maxLength) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (!(seen
+              ? cacheHas(seen, computed)
+              : includes(result, computed, comparator)
+            )) {
+          othIndex = othLength;
+          while (--othIndex) {
+            var cache = caches[othIndex];
+            if (!(cache
+                  ? cacheHas(cache, computed)
+                  : includes(arrays[othIndex], computed, comparator))
+                ) {
+              continue outer;
+            }
+          }
+          if (seen) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.invert` and `_.invertBy` which inverts
+     * `object` with values transformed by `iteratee` and set by `setter`.
+     *
+     * @private
+     * @param {Object} object The object to iterate over.
+     * @param {Function} setter The function to set `accumulator` values.
+     * @param {Function} iteratee The iteratee to transform values.
+     * @param {Object} accumulator The initial inverted object.
+     * @returns {Function} Returns `accumulator`.
+     */
+    function baseInverter(object, setter, iteratee, accumulator) {
+      baseForOwn(object, function(value, key, object) {
+        setter(accumulator, iteratee(value), key, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * The base implementation of `_.invoke` without support for individual
+     * method arguments.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {Array} args The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     */
+    function baseInvoke(object, path, args) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      var func = object == null ? object : object[toKey(last(path))];
+      return func == null ? undefined : apply(func, object, args);
+    }
+
+    /**
+     * The base implementation of `_.isArguments`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     */
+    function baseIsArguments(value) {
+      return isObjectLike(value) && baseGetTag(value) == argsTag;
+    }
+
+    /**
+     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     */
+    function baseIsArrayBuffer(value) {
+      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
+    }
+
+    /**
+     * The base implementation of `_.isDate` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     */
+    function baseIsDate(value) {
+      return isObjectLike(value) && baseGetTag(value) == dateTag;
+    }
+
+    /**
+     * The base implementation of `_.isEqual` which supports partial comparisons
+     * and tracks traversed objects.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Unordered comparison
+     *  2 - Partial comparison
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     */
+    function baseIsEqual(value, other, bitmask, customizer, stack) {
+      if (value === other) {
+        return true;
+      }
+      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+        return value !== value && other !== other;
+      }
+      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+    }
+
+    /**
+     * A specialized version of `baseIsEqual` for arrays and objects which performs
+     * deep comparisons and tracks traversed objects enabling objects with circular
+     * references to be compared.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+      var objIsArr = isArray(object),
+          othIsArr = isArray(other),
+          objTag = objIsArr ? arrayTag : getTag(object),
+          othTag = othIsArr ? arrayTag : getTag(other);
+
+      objTag = objTag == argsTag ? objectTag : objTag;
+      othTag = othTag == argsTag ? objectTag : othTag;
+
+      var objIsObj = objTag == objectTag,
+          othIsObj = othTag == objectTag,
+          isSameTag = objTag == othTag;
+
+      if (isSameTag && isBuffer(object)) {
+        if (!isBuffer(other)) {
+          return false;
+        }
+        objIsArr = true;
+        objIsObj = false;
+      }
+      if (isSameTag && !objIsObj) {
+        stack || (stack = new Stack);
+        return (objIsArr || isTypedArray(object))
+          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+      }
+      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+
+        if (objIsWrapped || othIsWrapped) {
+          var objUnwrapped = objIsWrapped ? object.value() : object,
+              othUnwrapped = othIsWrapped ? other.value() : other;
+
+          stack || (stack = new Stack);
+          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+        }
+      }
+      if (!isSameTag) {
+        return false;
+      }
+      stack || (stack = new Stack);
+      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+    }
+
+    /**
+     * The base implementation of `_.isMap` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     */
+    function baseIsMap(value) {
+      return isObjectLike(value) && getTag(value) == mapTag;
+    }
+
+    /**
+     * The base implementation of `_.isMatch` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Array} matchData The property names, values, and compare flags to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     */
+    function baseIsMatch(object, source, matchData, customizer) {
+      var index = matchData.length,
+          length = index,
+          noCustomizer = !customizer;
+
+      if (object == null) {
+        return !length;
+      }
+      object = Object(object);
+      while (index--) {
+        var data = matchData[index];
+        if ((noCustomizer && data[2])
+              ? data[1] !== object[data[0]]
+              : !(data[0] in object)
+            ) {
+          return false;
+        }
+      }
+      while (++index < length) {
+        data = matchData[index];
+        var key = data[0],
+            objValue = object[key],
+            srcValue = data[1];
+
+        if (noCustomizer && data[2]) {
+          if (objValue === undefined && !(key in object)) {
+            return false;
+          }
+        } else {
+          var stack = new Stack;
+          if (customizer) {
+            var result = customizer(objValue, srcValue, key, object, source, stack);
+          }
+          if (!(result === undefined
+                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
+                : result
+              )) {
+            return false;
+          }
+        }
+      }
+      return true;
+    }
+
+    /**
+     * The base implementation of `_.isNative` without bad shim checks.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     */
+    function baseIsNative(value) {
+      if (!isObject(value) || isMasked(value)) {
+        return false;
+      }
+      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+      return pattern.test(toSource(value));
+    }
+
+    /**
+     * The base implementation of `_.isRegExp` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     */
+    function baseIsRegExp(value) {
+      return isObjectLike(value) && baseGetTag(value) == regexpTag;
+    }
+
+    /**
+     * The base implementation of `_.isSet` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     */
+    function baseIsSet(value) {
+      return isObjectLike(value) && getTag(value) == setTag;
+    }
+
+    /**
+     * The base implementation of `_.isTypedArray` without Node.js optimizations.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     */
+    function baseIsTypedArray(value) {
+      return isObjectLike(value) &&
+        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+    }
+
+    /**
+     * The base implementation of `_.iteratee`.
+     *
+     * @private
+     * @param {*} [value=_.identity] The value to convert to an iteratee.
+     * @returns {Function} Returns the iteratee.
+     */
+    function baseIteratee(value) {
+      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+      if (typeof value == 'function') {
+        return value;
+      }
+      if (value == null) {
+        return identity;
+      }
+      if (typeof value == 'object') {
+        return isArray(value)
+          ? baseMatchesProperty(value[0], value[1])
+          : baseMatches(value);
+      }
+      return property(value);
+    }
+
+    /**
+     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeys(object) {
+      if (!isPrototype(object)) {
+        return nativeKeys(object);
+      }
+      var result = [];
+      for (var key in Object(object)) {
+        if (hasOwnProperty.call(object, key) && key != 'constructor') {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function baseKeysIn(object) {
+      if (!isObject(object)) {
+        return nativeKeysIn(object);
+      }
+      var isProto = isPrototype(object),
+          result = [];
+
+      for (var key in object) {
+        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.lt` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     */
+    function baseLt(value, other) {
+      return value < other;
+    }
+
+    /**
+     * The base implementation of `_.map` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} iteratee The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     */
+    function baseMap(collection, iteratee) {
+      var index = -1,
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value, key, collection) {
+        result[++index] = iteratee(value, key, collection);
+      });
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.matches` which doesn't clone `source`.
+     *
+     * @private
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatches(source) {
+      var matchData = getMatchData(source);
+      if (matchData.length == 1 && matchData[0][2]) {
+        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+      }
+      return function(object) {
+        return object === source || baseIsMatch(object, source, matchData);
+      };
+    }
+
+    /**
+     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+     *
+     * @private
+     * @param {string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function baseMatchesProperty(path, srcValue) {
+      if (isKey(path) && isStrictComparable(srcValue)) {
+        return matchesStrictComparable(toKey(path), srcValue);
+      }
+      return function(object) {
+        var objValue = get(object, path);
+        return (objValue === undefined && objValue === srcValue)
+          ? hasIn(object, path)
+          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+      };
+    }
+
+    /**
+     * The base implementation of `_.merge` without support for multiple sources.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} [customizer] The function to customize merged values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMerge(object, source, srcIndex, customizer, stack) {
+      if (object === source) {
+        return;
+      }
+      baseFor(source, function(srcValue, key) {
+        stack || (stack = new Stack);
+        if (isObject(srcValue)) {
+          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+        }
+        else {
+          var newValue = customizer
+            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
+            : undefined;
+
+          if (newValue === undefined) {
+            newValue = srcValue;
+          }
+          assignMergeValue(object, key, newValue);
+        }
+      }, keysIn);
+    }
+
+    /**
+     * A specialized version of `baseMerge` for arrays and objects which performs
+     * deep merges and tracks traversed objects enabling objects with circular
+     * references to be merged.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @param {string} key The key of the value to merge.
+     * @param {number} srcIndex The index of `source`.
+     * @param {Function} mergeFunc The function to merge values.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     */
+    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+      var objValue = safeGet(object, key),
+          srcValue = safeGet(source, key),
+          stacked = stack.get(srcValue);
+
+      if (stacked) {
+        assignMergeValue(object, key, stacked);
+        return;
+      }
+      var newValue = customizer
+        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+        : undefined;
+
+      var isCommon = newValue === undefined;
+
+      if (isCommon) {
+        var isArr = isArray(srcValue),
+            isBuff = !isArr && isBuffer(srcValue),
+            isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+
+        newValue = srcValue;
+        if (isArr || isBuff || isTyped) {
+          if (isArray(objValue)) {
+            newValue = objValue;
+          }
+          else if (isArrayLikeObject(objValue)) {
+            newValue = copyArray(objValue);
+          }
+          else if (isBuff) {
+            isCommon = false;
+            newValue = cloneBuffer(srcValue, true);
+          }
+          else if (isTyped) {
+            isCommon = false;
+            newValue = cloneTypedArray(srcValue, true);
+          }
+          else {
+            newValue = [];
+          }
+        }
+        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+          newValue = objValue;
+          if (isArguments(objValue)) {
+            newValue = toPlainObject(objValue);
+          }
+          else if (!isObject(objValue) || isFunction(objValue)) {
+            newValue = initCloneObject(srcValue);
+          }
+        }
+        else {
+          isCommon = false;
+        }
+      }
+      if (isCommon) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, newValue);
+        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+        stack['delete'](srcValue);
+      }
+      assignMergeValue(object, key, newValue);
+    }
+
+    /**
+     * The base implementation of `_.nth` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {number} n The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     */
+    function baseNth(array, n) {
+      var length = array.length;
+      if (!length) {
+        return;
+      }
+      n += n < 0 ? length : 0;
+      return isIndex(n, length) ? array[n] : undefined;
+    }
+
+    /**
+     * The base implementation of `_.orderBy` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+     * @param {string[]} orders The sort orders of `iteratees`.
+     * @returns {Array} Returns the new sorted array.
+     */
+    function baseOrderBy(collection, iteratees, orders) {
+      var index = -1;
+      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));
+
+      var result = baseMap(collection, function(value, key, collection) {
+        var criteria = arrayMap(iteratees, function(iteratee) {
+          return iteratee(value);
+        });
+        return { 'criteria': criteria, 'index': ++index, 'value': value };
+      });
+
+      return baseSortBy(result, function(object, other) {
+        return compareMultiple(object, other, orders);
+      });
+    }
+
+    /**
+     * The base implementation of `_.pick` without support for individual
+     * property identifiers.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @returns {Object} Returns the new object.
+     */
+    function basePick(object, paths) {
+      return basePickBy(object, paths, function(value, path) {
+        return hasIn(object, path);
+      });
+    }
+
+    /**
+     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Object} object The source object.
+     * @param {string[]} paths The property paths to pick.
+     * @param {Function} predicate The function invoked per property.
+     * @returns {Object} Returns the new object.
+     */
+    function basePickBy(object, paths, predicate) {
+      var index = -1,
+          length = paths.length,
+          result = {};
+
+      while (++index < length) {
+        var path = paths[index],
+            value = baseGet(object, path);
+
+        if (predicate(value, path)) {
+          baseSet(result, castPath(path, object), value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseProperty` which supports deep paths.
+     *
+     * @private
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     */
+    function basePropertyDeep(path) {
+      return function(object) {
+        return baseGet(object, path);
+      };
+    }
+
+    /**
+     * The base implementation of `_.pullAllBy` without support for iteratee
+     * shorthands.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAll(array, values, iteratee, comparator) {
+      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
+          index = -1,
+          length = values.length,
+          seen = array;
+
+      if (array === values) {
+        values = copyArray(values);
+      }
+      if (iteratee) {
+        seen = arrayMap(array, baseUnary(iteratee));
+      }
+      while (++index < length) {
+        var fromIndex = 0,
+            value = values[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
+          if (seen !== array) {
+            splice.call(seen, fromIndex, 1);
+          }
+          splice.call(array, fromIndex, 1);
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.pullAt` without support for individual
+     * indexes or capturing the removed elements.
+     *
+     * @private
+     * @param {Array} array The array to modify.
+     * @param {number[]} indexes The indexes of elements to remove.
+     * @returns {Array} Returns `array`.
+     */
+    function basePullAt(array, indexes) {
+      var length = array ? indexes.length : 0,
+          lastIndex = length - 1;
+
+      while (length--) {
+        var index = indexes[length];
+        if (length == lastIndex || index !== previous) {
+          var previous = index;
+          if (isIndex(index)) {
+            splice.call(array, index, 1);
+          } else {
+            baseUnset(array, index);
+          }
+        }
+      }
+      return array;
+    }
+
+    /**
+     * The base implementation of `_.random` without support for returning
+     * floating-point numbers.
+     *
+     * @private
+     * @param {number} lower The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the random number.
+     */
+    function baseRandom(lower, upper) {
+      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
+    }
+
+    /**
+     * The base implementation of `_.range` and `_.rangeRight` which doesn't
+     * coerce arguments.
+     *
+     * @private
+     * @param {number} start The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} step The value to increment or decrement by.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the range of numbers.
+     */
+    function baseRange(start, end, step, fromRight) {
+      var index = -1,
+          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+          result = Array(length);
+
+      while (length--) {
+        result[fromRight ? length : ++index] = start;
+        start += step;
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.repeat` which doesn't coerce arguments.
+     *
+     * @private
+     * @param {string} string The string to repeat.
+     * @param {number} n The number of times to repeat the string.
+     * @returns {string} Returns the repeated string.
+     */
+    function baseRepeat(string, n) {
+      var result = '';
+      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+        return result;
+      }
+      // Leverage the exponentiation by squaring algorithm for a faster repeat.
+      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+      do {
+        if (n % 2) {
+          result += string;
+        }
+        n = nativeFloor(n / 2);
+        if (n) {
+          string += string;
+        }
+      } while (n);
+
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     */
+    function baseRest(func, start) {
+      return setToString(overRest(func, start, identity), func + '');
+    }
+
+    /**
+     * The base implementation of `_.sample`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     */
+    function baseSample(collection) {
+      return arraySample(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.sampleSize` without param guards.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} n The number of elements to sample.
+     * @returns {Array} Returns the random elements.
+     */
+    function baseSampleSize(collection, n) {
+      var array = values(collection);
+      return shuffleSelf(array, baseClamp(n, 0, array.length));
+    }
+
+    /**
+     * The base implementation of `_.set`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseSet(object, path, value, customizer) {
+      if (!isObject(object)) {
+        return object;
+      }
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          lastIndex = length - 1,
+          nested = object;
+
+      while (nested != null && ++index < length) {
+        var key = toKey(path[index]),
+            newValue = value;
+
+        if (index != lastIndex) {
+          var objValue = nested[key];
+          newValue = customizer ? customizer(objValue, key, nested) : undefined;
+          if (newValue === undefined) {
+            newValue = isObject(objValue)
+              ? objValue
+              : (isIndex(path[index + 1]) ? [] : {});
+          }
+        }
+        assignValue(nested, key, newValue);
+        nested = nested[key];
+      }
+      return object;
+    }
+
+    /**
+     * The base implementation of `setData` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetData = !metaMap ? identity : function(func, data) {
+      metaMap.set(func, data);
+      return func;
+    };
+
+    /**
+     * The base implementation of `setToString` without support for hot loop shorting.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var baseSetToString = !defineProperty ? identity : function(func, string) {
+      return defineProperty(func, 'toString', {
+        'configurable': true,
+        'enumerable': false,
+        'value': constant(string),
+        'writable': true
+      });
+    };
+
+    /**
+     * The base implementation of `_.shuffle`.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     */
+    function baseShuffle(collection) {
+      return shuffleSelf(values(collection));
+    }
+
+    /**
+     * The base implementation of `_.slice` without an iteratee call guard.
+     *
+     * @private
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseSlice(array, start, end) {
+      var index = -1,
+          length = array.length;
+
+      if (start < 0) {
+        start = -start > length ? 0 : (length + start);
+      }
+      end = end > length ? length : end;
+      if (end < 0) {
+        end += length;
+      }
+      length = start > end ? 0 : ((end - start) >>> 0);
+      start >>>= 0;
+
+      var result = Array(length);
+      while (++index < length) {
+        result[index] = array[index + start];
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.some` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} predicate The function invoked per iteration.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     */
+    function baseSome(collection, predicate) {
+      var result;
+
+      baseEach(collection, function(value, index, collection) {
+        result = predicate(value, index, collection);
+        return !result;
+      });
+      return !!result;
+    }
+
+    /**
+     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
+     * performs a binary search of `array` to determine the index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndex(array, value, retHighest) {
+      var low = 0,
+          high = array == null ? low : array.length;
+
+      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+        while (low < high) {
+          var mid = (low + high) >>> 1,
+              computed = array[mid];
+
+          if (computed !== null && !isSymbol(computed) &&
+              (retHighest ? (computed <= value) : (computed < value))) {
+            low = mid + 1;
+          } else {
+            high = mid;
+          }
+        }
+        return high;
+      }
+      return baseSortedIndexBy(array, value, identity, retHighest);
+    }
+
+    /**
+     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
+     * which invokes `iteratee` for `value` and each element of `array` to compute
+     * their sort ranking. The iteratee is invoked with one argument; (value).
+     *
+     * @private
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} iteratee The iteratee invoked per element.
+     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     */
+    function baseSortedIndexBy(array, value, iteratee, retHighest) {
+      value = iteratee(value);
+
+      var low = 0,
+          high = array == null ? 0 : array.length,
+          valIsNaN = value !== value,
+          valIsNull = value === null,
+          valIsSymbol = isSymbol(value),
+          valIsUndefined = value === undefined;
+
+      while (low < high) {
+        var mid = nativeFloor((low + high) / 2),
+            computed = iteratee(array[mid]),
+            othIsDefined = computed !== undefined,
+            othIsNull = computed === null,
+            othIsReflexive = computed === computed,
+            othIsSymbol = isSymbol(computed);
+
+        if (valIsNaN) {
+          var setLow = retHighest || othIsReflexive;
+        } else if (valIsUndefined) {
+          setLow = othIsReflexive && (retHighest || othIsDefined);
+        } else if (valIsNull) {
+          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+        } else if (valIsSymbol) {
+          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+        } else if (othIsNull || othIsSymbol) {
+          setLow = false;
+        } else {
+          setLow = retHighest ? (computed <= value) : (computed < value);
+        }
+        if (setLow) {
+          low = mid + 1;
+        } else {
+          high = mid;
+        }
+      }
+      return nativeMin(high, MAX_ARRAY_INDEX);
+    }
+
+    /**
+     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
+     * support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseSortedUniq(array, iteratee) {
+      var index = -1,
+          length = array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        if (!index || !eq(computed, seen)) {
+          var seen = computed;
+          result[resIndex++] = value === 0 ? 0 : value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.toNumber` which doesn't ensure correct
+     * conversions of binary, hexadecimal, or octal string values.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     */
+    function baseToNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      return +value;
+    }
+
+    /**
+     * The base implementation of `_.toString` which doesn't convert nullish
+     * values to empty strings.
+     *
+     * @private
+     * @param {*} value The value to process.
+     * @returns {string} Returns the string.
+     */
+    function baseToString(value) {
+      // Exit early for strings to avoid a performance hit in some environments.
+      if (typeof value == 'string') {
+        return value;
+      }
+      if (isArray(value)) {
+        // Recursively convert values (susceptible to call stack limits).
+        return arrayMap(value, baseToString) + '';
+      }
+      if (isSymbol(value)) {
+        return symbolToString ? symbolToString.call(value) : '';
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     */
+    function baseUniq(array, iteratee, comparator) {
+      var index = -1,
+          includes = arrayIncludes,
+          length = array.length,
+          isCommon = true,
+          result = [],
+          seen = result;
+
+      if (comparator) {
+        isCommon = false;
+        includes = arrayIncludesWith;
+      }
+      else if (length >= LARGE_ARRAY_SIZE) {
+        var set = iteratee ? null : createSet(array);
+        if (set) {
+          return setToArray(set);
+        }
+        isCommon = false;
+        includes = cacheHas;
+        seen = new SetCache;
+      }
+      else {
+        seen = iteratee ? [] : result;
+      }
+      outer:
+      while (++index < length) {
+        var value = array[index],
+            computed = iteratee ? iteratee(value) : value;
+
+        value = (comparator || value !== 0) ? value : 0;
+        if (isCommon && computed === computed) {
+          var seenIndex = seen.length;
+          while (seenIndex--) {
+            if (seen[seenIndex] === computed) {
+              continue outer;
+            }
+          }
+          if (iteratee) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+        else if (!includes(seen, computed, comparator)) {
+          if (seen !== result) {
+            seen.push(computed);
+          }
+          result.push(value);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * The base implementation of `_.unset`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The property path to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     */
+    function baseUnset(object, path) {
+      path = castPath(path, object);
+      object = parent(object, path);
+      return object == null || delete object[toKey(last(path))];
+    }
+
+    /**
+     * The base implementation of `_.update`.
+     *
+     * @private
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to update.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize path creation.
+     * @returns {Object} Returns `object`.
+     */
+    function baseUpdate(object, path, updater, customizer) {
+      return baseSet(object, path, updater(baseGet(object, path)), customizer);
+    }
+
+    /**
+     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
+     * without support for iteratee shorthands.
+     *
+     * @private
+     * @param {Array} array The array to query.
+     * @param {Function} predicate The function invoked per iteration.
+     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function baseWhile(array, predicate, isDrop, fromRight) {
+      var length = array.length,
+          index = fromRight ? length : -1;
+
+      while ((fromRight ? index-- : ++index < length) &&
+        predicate(array[index], index, array)) {}
+
+      return isDrop
+        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
+        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
+    }
+
+    /**
+     * The base implementation of `wrapperValue` which returns the result of
+     * performing a sequence of actions on the unwrapped `value`, where each
+     * successive action is supplied the return value of the previous.
+     *
+     * @private
+     * @param {*} value The unwrapped value.
+     * @param {Array} actions Actions to perform to resolve the unwrapped value.
+     * @returns {*} Returns the resolved value.
+     */
+    function baseWrapperValue(value, actions) {
+      var result = value;
+      if (result instanceof LazyWrapper) {
+        result = result.value();
+      }
+      return arrayReduce(actions, function(result, action) {
+        return action.func.apply(action.thisArg, arrayPush([result], action.args));
+      }, result);
+    }
+
+    /**
+     * The base implementation of methods like `_.xor`, without support for
+     * iteratee shorthands, that accepts an array of arrays to inspect.
+     *
+     * @private
+     * @param {Array} arrays The arrays to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of values.
+     */
+    function baseXor(arrays, iteratee, comparator) {
+      var length = arrays.length;
+      if (length < 2) {
+        return length ? baseUniq(arrays[0]) : [];
+      }
+      var index = -1,
+          result = Array(length);
+
+      while (++index < length) {
+        var array = arrays[index],
+            othIndex = -1;
+
+        while (++othIndex < length) {
+          if (othIndex != index) {
+            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+          }
+        }
+      }
+      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
+    }
+
+    /**
+     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+     *
+     * @private
+     * @param {Array} props The property identifiers.
+     * @param {Array} values The property values.
+     * @param {Function} assignFunc The function to assign values.
+     * @returns {Object} Returns the new object.
+     */
+    function baseZipObject(props, values, assignFunc) {
+      var index = -1,
+          length = props.length,
+          valsLength = values.length,
+          result = {};
+
+      while (++index < length) {
+        var value = index < valsLength ? values[index] : undefined;
+        assignFunc(result, props[index], value);
+      }
+      return result;
+    }
+
+    /**
+     * Casts `value` to an empty array if it's not an array like object.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Array|Object} Returns the cast array-like object.
+     */
+    function castArrayLikeObject(value) {
+      return isArrayLikeObject(value) ? value : [];
+    }
+
+    /**
+     * Casts `value` to `identity` if it's not a function.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {Function} Returns cast function.
+     */
+    function castFunction(value) {
+      return typeof value == 'function' ? value : identity;
+    }
+
+    /**
+     * Casts `value` to a path array if it's not one.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {Array} Returns the cast property path array.
+     */
+    function castPath(value, object) {
+      if (isArray(value)) {
+        return value;
+      }
+      return isKey(value, object) ? [value] : stringToPath(toString(value));
+    }
+
+    /**
+     * A `baseRest` alias which can be replaced with `identity` by module
+     * replacement plugins.
+     *
+     * @private
+     * @type {Function}
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    var castRest = baseRest;
+
+    /**
+     * Casts `array` to a slice if it's needed.
+     *
+     * @private
+     * @param {Array} array The array to inspect.
+     * @param {number} start The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the cast slice.
+     */
+    function castSlice(array, start, end) {
+      var length = array.length;
+      end = end === undefined ? length : end;
+      return (!start && end >= length) ? array : baseSlice(array, start, end);
+    }
+
+    /**
+     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
+     *
+     * @private
+     * @param {number|Object} id The timer id or timeout object of the timer to clear.
+     */
+    var clearTimeout = ctxClearTimeout || function(id) {
+      return root.clearTimeout(id);
+    };
+
+    /**
+     * Creates a clone of  `buffer`.
+     *
+     * @private
+     * @param {Buffer} buffer The buffer to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Buffer} Returns the cloned buffer.
+     */
+    function cloneBuffer(buffer, isDeep) {
+      if (isDeep) {
+        return buffer.slice();
+      }
+      var length = buffer.length,
+          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+
+      buffer.copy(result);
+      return result;
+    }
+
+    /**
+     * Creates a clone of `arrayBuffer`.
+     *
+     * @private
+     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+     * @returns {ArrayBuffer} Returns the cloned array buffer.
+     */
+    function cloneArrayBuffer(arrayBuffer) {
+      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
+      return result;
+    }
+
+    /**
+     * Creates a clone of `dataView`.
+     *
+     * @private
+     * @param {Object} dataView The data view to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned data view.
+     */
+    function cloneDataView(dataView, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+    }
+
+    /**
+     * Creates a clone of `regexp`.
+     *
+     * @private
+     * @param {Object} regexp The regexp to clone.
+     * @returns {Object} Returns the cloned regexp.
+     */
+    function cloneRegExp(regexp) {
+      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+      result.lastIndex = regexp.lastIndex;
+      return result;
+    }
+
+    /**
+     * Creates a clone of the `symbol` object.
+     *
+     * @private
+     * @param {Object} symbol The symbol object to clone.
+     * @returns {Object} Returns the cloned symbol object.
+     */
+    function cloneSymbol(symbol) {
+      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
+    }
+
+    /**
+     * Creates a clone of `typedArray`.
+     *
+     * @private
+     * @param {Object} typedArray The typed array to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the cloned typed array.
+     */
+    function cloneTypedArray(typedArray, isDeep) {
+      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+    }
+
+    /**
+     * Compares values to sort them in ascending order.
+     *
+     * @private
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {number} Returns the sort order indicator for `value`.
+     */
+    function compareAscending(value, other) {
+      if (value !== other) {
+        var valIsDefined = value !== undefined,
+            valIsNull = value === null,
+            valIsReflexive = value === value,
+            valIsSymbol = isSymbol(value);
+
+        var othIsDefined = other !== undefined,
+            othIsNull = other === null,
+            othIsReflexive = other === other,
+            othIsSymbol = isSymbol(other);
+
+        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+            (valIsNull && othIsDefined && othIsReflexive) ||
+            (!valIsDefined && othIsReflexive) ||
+            !valIsReflexive) {
+          return 1;
+        }
+        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+            (othIsNull && valIsDefined && valIsReflexive) ||
+            (!othIsDefined && valIsReflexive) ||
+            !othIsReflexive) {
+          return -1;
+        }
+      }
+      return 0;
+    }
+
+    /**
+     * Used by `_.orderBy` to compare multiple properties of a value to another
+     * and stable sort them.
+     *
+     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+     * specify an order of "desc" for descending or "asc" for ascending sort order
+     * of corresponding values.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {boolean[]|string[]} orders The order to sort by for each property.
+     * @returns {number} Returns the sort order indicator for `object`.
+     */
+    function compareMultiple(object, other, orders) {
+      var index = -1,
+          objCriteria = object.criteria,
+          othCriteria = other.criteria,
+          length = objCriteria.length,
+          ordersLength = orders.length;
+
+      while (++index < length) {
+        var result = compareAscending(objCriteria[index], othCriteria[index]);
+        if (result) {
+          if (index >= ordersLength) {
+            return result;
+          }
+          var order = orders[index];
+          return result * (order == 'desc' ? -1 : 1);
+        }
+      }
+      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+      // that causes it, under certain circumstances, to provide the same value for
+      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+      // for more details.
+      //
+      // This also ensures a stable sort in V8 and other engines.
+      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+      return object.index - other.index;
+    }
+
+    /**
+     * Creates an array that is the composition of partially applied arguments,
+     * placeholders, and provided arguments into a single array of arguments.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to prepend to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgs(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersLength = holders.length,
+          leftIndex = -1,
+          leftLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(leftLength + rangeLength),
+          isUncurried = !isCurried;
+
+      while (++leftIndex < leftLength) {
+        result[leftIndex] = partials[leftIndex];
+      }
+      while (++argsIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[holders[argsIndex]] = args[argsIndex];
+        }
+      }
+      while (rangeLength--) {
+        result[leftIndex++] = args[argsIndex++];
+      }
+      return result;
+    }
+
+    /**
+     * This function is like `composeArgs` except that the arguments composition
+     * is tailored for `_.partialRight`.
+     *
+     * @private
+     * @param {Array} args The provided arguments.
+     * @param {Array} partials The arguments to append to those provided.
+     * @param {Array} holders The `partials` placeholder indexes.
+     * @params {boolean} [isCurried] Specify composing for a curried function.
+     * @returns {Array} Returns the new array of composed arguments.
+     */
+    function composeArgsRight(args, partials, holders, isCurried) {
+      var argsIndex = -1,
+          argsLength = args.length,
+          holdersIndex = -1,
+          holdersLength = holders.length,
+          rightIndex = -1,
+          rightLength = partials.length,
+          rangeLength = nativeMax(argsLength - holdersLength, 0),
+          result = Array(rangeLength + rightLength),
+          isUncurried = !isCurried;
+
+      while (++argsIndex < rangeLength) {
+        result[argsIndex] = args[argsIndex];
+      }
+      var offset = argsIndex;
+      while (++rightIndex < rightLength) {
+        result[offset + rightIndex] = partials[rightIndex];
+      }
+      while (++holdersIndex < holdersLength) {
+        if (isUncurried || argsIndex < argsLength) {
+          result[offset + holders[holdersIndex]] = args[argsIndex++];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Copies the values of `source` to `array`.
+     *
+     * @private
+     * @param {Array} source The array to copy values from.
+     * @param {Array} [array=[]] The array to copy values to.
+     * @returns {Array} Returns `array`.
+     */
+    function copyArray(source, array) {
+      var index = -1,
+          length = source.length;
+
+      array || (array = Array(length));
+      while (++index < length) {
+        array[index] = source[index];
+      }
+      return array;
+    }
+
+    /**
+     * Copies properties of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy properties from.
+     * @param {Array} props The property identifiers to copy.
+     * @param {Object} [object={}] The object to copy properties to.
+     * @param {Function} [customizer] The function to customize copied values.
+     * @returns {Object} Returns `object`.
+     */
+    function copyObject(source, props, object, customizer) {
+      var isNew = !object;
+      object || (object = {});
+
+      var index = -1,
+          length = props.length;
+
+      while (++index < length) {
+        var key = props[index];
+
+        var newValue = customizer
+          ? customizer(object[key], source[key], key, object, source)
+          : undefined;
+
+        if (newValue === undefined) {
+          newValue = source[key];
+        }
+        if (isNew) {
+          baseAssignValue(object, key, newValue);
+        } else {
+          assignValue(object, key, newValue);
+        }
+      }
+      return object;
+    }
+
+    /**
+     * Copies own symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbols(source, object) {
+      return copyObject(source, getSymbols(source), object);
+    }
+
+    /**
+     * Copies own and inherited symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbolsIn(source, object) {
+      return copyObject(source, getSymbolsIn(source), object);
+    }
+
+    /**
+     * Creates a function like `_.groupBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} [initializer] The accumulator object initializer.
+     * @returns {Function} Returns the new aggregator function.
+     */
+    function createAggregator(setter, initializer) {
+      return function(collection, iteratee) {
+        var func = isArray(collection) ? arrayAggregator : baseAggregator,
+            accumulator = initializer ? initializer() : {};
+
+        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
+      };
+    }
+
+    /**
+     * Creates a function like `_.assign`.
+     *
+     * @private
+     * @param {Function} assigner The function to assign values.
+     * @returns {Function} Returns the new assigner function.
+     */
+    function createAssigner(assigner) {
+      return baseRest(function(object, sources) {
+        var index = -1,
+            length = sources.length,
+            customizer = length > 1 ? sources[length - 1] : undefined,
+            guard = length > 2 ? sources[2] : undefined;
+
+        customizer = (assigner.length > 3 && typeof customizer == 'function')
+          ? (length--, customizer)
+          : undefined;
+
+        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+          customizer = length < 3 ? undefined : customizer;
+          length = 1;
+        }
+        object = Object(object);
+        while (++index < length) {
+          var source = sources[index];
+          if (source) {
+            assigner(object, source, index, customizer);
+          }
+        }
+        return object;
+      });
+    }
+
+    /**
+     * Creates a `baseEach` or `baseEachRight` function.
+     *
+     * @private
+     * @param {Function} eachFunc The function to iterate over a collection.
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseEach(eachFunc, fromRight) {
+      return function(collection, iteratee) {
+        if (collection == null) {
+          return collection;
+        }
+        if (!isArrayLike(collection)) {
+          return eachFunc(collection, iteratee);
+        }
+        var length = collection.length,
+            index = fromRight ? length : -1,
+            iterable = Object(collection);
+
+        while ((fromRight ? index-- : ++index < length)) {
+          if (iteratee(iterable[index], index, iterable) === false) {
+            break;
+          }
+        }
+        return collection;
+      };
+    }
+
+    /**
+     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new base function.
+     */
+    function createBaseFor(fromRight) {
+      return function(object, iteratee, keysFunc) {
+        var index = -1,
+            iterable = Object(object),
+            props = keysFunc(object),
+            length = props.length;
+
+        while (length--) {
+          var key = props[fromRight ? length : ++index];
+          if (iteratee(iterable[key], key, iterable) === false) {
+            break;
+          }
+        }
+        return object;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the optional `this`
+     * binding of `thisArg`.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createBind(func, bitmask, thisArg) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return fn.apply(isBind ? thisArg : this, arguments);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.lowerFirst`.
+     *
+     * @private
+     * @param {string} methodName The name of the `String` case method to use.
+     * @returns {Function} Returns the new case function.
+     */
+    function createCaseFirst(methodName) {
+      return function(string) {
+        string = toString(string);
+
+        var strSymbols = hasUnicode(string)
+          ? stringToArray(string)
+          : undefined;
+
+        var chr = strSymbols
+          ? strSymbols[0]
+          : string.charAt(0);
+
+        var trailing = strSymbols
+          ? castSlice(strSymbols, 1).join('')
+          : string.slice(1);
+
+        return chr[methodName]() + trailing;
+      };
+    }
+
+    /**
+     * Creates a function like `_.camelCase`.
+     *
+     * @private
+     * @param {Function} callback The function to combine each word.
+     * @returns {Function} Returns the new compounder function.
+     */
+    function createCompounder(callback) {
+      return function(string) {
+        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
+      };
+    }
+
+    /**
+     * Creates a function that produces an instance of `Ctor` regardless of
+     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+     *
+     * @private
+     * @param {Function} Ctor The constructor to wrap.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCtor(Ctor) {
+      return function() {
+        // Use a `switch` statement to work with class constructors. See
+        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+        // for more details.
+        var args = arguments;
+        switch (args.length) {
+          case 0: return new Ctor;
+          case 1: return new Ctor(args[0]);
+          case 2: return new Ctor(args[0], args[1]);
+          case 3: return new Ctor(args[0], args[1], args[2]);
+          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+        }
+        var thisBinding = baseCreate(Ctor.prototype),
+            result = Ctor.apply(thisBinding, args);
+
+        // Mimic the constructor's `return` behavior.
+        // See https://es5.github.io/#x13.2.2 for more details.
+        return isObject(result) ? result : thisBinding;
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to enable currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {number} arity The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createCurry(func, bitmask, arity) {
+      var Ctor = createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length,
+            placeholder = getHolder(wrapper);
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
+          ? []
+          : replaceHolders(args, placeholder);
+
+        length -= holders.length;
+        if (length < arity) {
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, undefined,
+            args, holders, undefined, undefined, arity - length);
+        }
+        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+        return apply(fn, this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.find` or `_.findLast` function.
+     *
+     * @private
+     * @param {Function} findIndexFunc The function to find the collection index.
+     * @returns {Function} Returns the new find function.
+     */
+    function createFind(findIndexFunc) {
+      return function(collection, predicate, fromIndex) {
+        var iterable = Object(collection);
+        if (!isArrayLike(collection)) {
+          var iteratee = getIteratee(predicate, 3);
+          collection = keys(collection);
+          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+        }
+        var index = findIndexFunc(collection, predicate, fromIndex);
+        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+      };
+    }
+
+    /**
+     * Creates a `_.flow` or `_.flowRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new flow function.
+     */
+    function createFlow(fromRight) {
+      return flatRest(function(funcs) {
+        var length = funcs.length,
+            index = length,
+            prereq = LodashWrapper.prototype.thru;
+
+        if (fromRight) {
+          funcs.reverse();
+        }
+        while (index--) {
+          var func = funcs[index];
+          if (typeof func != 'function') {
+            throw new TypeError(FUNC_ERROR_TEXT);
+          }
+          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
+            var wrapper = new LodashWrapper([], true);
+          }
+        }
+        index = wrapper ? index : length;
+        while (++index < length) {
+          func = funcs[index];
+
+          var funcName = getFuncName(func),
+              data = funcName == 'wrapper' ? getData(func) : undefined;
+
+          if (data && isLaziable(data[0]) &&
+                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
+                !data[4].length && data[9] == 1
+              ) {
+            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+          } else {
+            wrapper = (func.length == 1 && isLaziable(func))
+              ? wrapper[funcName]()
+              : wrapper.thru(func);
+          }
+        }
+        return function() {
+          var args = arguments,
+              value = args[0];
+
+          if (wrapper && args.length == 1 && isArray(value)) {
+            return wrapper.plant(value).value();
+          }
+          var index = 0,
+              result = length ? funcs[index].apply(this, args) : value;
+
+          while (++index < length) {
+            result = funcs[index].call(this, result);
+          }
+          return result;
+        };
+      });
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with optional `this`
+     * binding of `thisArg`, partial application, and currying.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [partialsRight] The arguments to append to those provided
+     *  to the new function.
+     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+      var isAry = bitmask & WRAP_ARY_FLAG,
+          isBind = bitmask & WRAP_BIND_FLAG,
+          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
+          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
+          isFlip = bitmask & WRAP_FLIP_FLAG,
+          Ctor = isBindKey ? undefined : createCtor(func);
+
+      function wrapper() {
+        var length = arguments.length,
+            args = Array(length),
+            index = length;
+
+        while (index--) {
+          args[index] = arguments[index];
+        }
+        if (isCurried) {
+          var placeholder = getHolder(wrapper),
+              holdersCount = countHolders(args, placeholder);
+        }
+        if (partials) {
+          args = composeArgs(args, partials, holders, isCurried);
+        }
+        if (partialsRight) {
+          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+        }
+        length -= holdersCount;
+        if (isCurried && length < arity) {
+          var newHolders = replaceHolders(args, placeholder);
+          return createRecurry(
+            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
+            args, newHolders, argPos, ary, arity - length
+          );
+        }
+        var thisBinding = isBind ? thisArg : this,
+            fn = isBindKey ? thisBinding[func] : func;
+
+        length = args.length;
+        if (argPos) {
+          args = reorder(args, argPos);
+        } else if (isFlip && length > 1) {
+          args.reverse();
+        }
+        if (isAry && ary < length) {
+          args.length = ary;
+        }
+        if (this && this !== root && this instanceof wrapper) {
+          fn = Ctor || createCtor(fn);
+        }
+        return fn.apply(thisBinding, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a function like `_.invertBy`.
+     *
+     * @private
+     * @param {Function} setter The function to set accumulator values.
+     * @param {Function} toIteratee The function to resolve iteratees.
+     * @returns {Function} Returns the new inverter function.
+     */
+    function createInverter(setter, toIteratee) {
+      return function(object, iteratee) {
+        return baseInverter(object, setter, toIteratee(iteratee), {});
+      };
+    }
+
+    /**
+     * Creates a function that performs a mathematical operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @param {number} [defaultValue] The value used for `undefined` arguments.
+     * @returns {Function} Returns the new mathematical operation function.
+     */
+    function createMathOperation(operator, defaultValue) {
+      return function(value, other) {
+        var result;
+        if (value === undefined && other === undefined) {
+          return defaultValue;
+        }
+        if (value !== undefined) {
+          result = value;
+        }
+        if (other !== undefined) {
+          if (result === undefined) {
+            return other;
+          }
+          if (typeof value == 'string' || typeof other == 'string') {
+            value = baseToString(value);
+            other = baseToString(other);
+          } else {
+            value = baseToNumber(value);
+            other = baseToNumber(other);
+          }
+          result = operator(value, other);
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function like `_.over`.
+     *
+     * @private
+     * @param {Function} arrayFunc The function to iterate over iteratees.
+     * @returns {Function} Returns the new over function.
+     */
+    function createOver(arrayFunc) {
+      return flatRest(function(iteratees) {
+        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
+        return baseRest(function(args) {
+          var thisArg = this;
+          return arrayFunc(iteratees, function(iteratee) {
+            return apply(iteratee, thisArg, args);
+          });
+        });
+      });
+    }
+
+    /**
+     * Creates the padding for `string` based on `length`. The `chars` string
+     * is truncated if the number of characters exceeds `length`.
+     *
+     * @private
+     * @param {number} length The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padding for `string`.
+     */
+    function createPadding(length, chars) {
+      chars = chars === undefined ? ' ' : baseToString(chars);
+
+      var charsLength = chars.length;
+      if (charsLength < 2) {
+        return charsLength ? baseRepeat(chars, length) : chars;
+      }
+      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+      return hasUnicode(chars)
+        ? castSlice(stringToArray(result), 0, length).join('')
+        : result.slice(0, length);
+    }
+
+    /**
+     * Creates a function that wraps `func` to invoke it with the `this` binding
+     * of `thisArg` and `partials` prepended to the arguments it receives.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {Array} partials The arguments to prepend to those provided to
+     *  the new function.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createPartial(func, bitmask, thisArg, partials) {
+      var isBind = bitmask & WRAP_BIND_FLAG,
+          Ctor = createCtor(func);
+
+      function wrapper() {
+        var argsIndex = -1,
+            argsLength = arguments.length,
+            leftIndex = -1,
+            leftLength = partials.length,
+            args = Array(leftLength + argsLength),
+            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+
+        while (++leftIndex < leftLength) {
+          args[leftIndex] = partials[leftIndex];
+        }
+        while (argsLength--) {
+          args[leftIndex++] = arguments[++argsIndex];
+        }
+        return apply(fn, isBind ? thisArg : this, args);
+      }
+      return wrapper;
+    }
+
+    /**
+     * Creates a `_.range` or `_.rangeRight` function.
+     *
+     * @private
+     * @param {boolean} [fromRight] Specify iterating from right to left.
+     * @returns {Function} Returns the new range function.
+     */
+    function createRange(fromRight) {
+      return function(start, end, step) {
+        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
+          end = step = undefined;
+        }
+        // Ensure the sign of `-0` is preserved.
+        start = toFinite(start);
+        if (end === undefined) {
+          end = start;
+          start = 0;
+        } else {
+          end = toFinite(end);
+        }
+        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
+        return baseRange(start, end, step, fromRight);
+      };
+    }
+
+    /**
+     * Creates a function that performs a relational operation on two values.
+     *
+     * @private
+     * @param {Function} operator The function to perform the operation.
+     * @returns {Function} Returns the new relational operation function.
+     */
+    function createRelationalOperation(operator) {
+      return function(value, other) {
+        if (!(typeof value == 'string' && typeof other == 'string')) {
+          value = toNumber(value);
+          other = toNumber(other);
+        }
+        return operator(value, other);
+      };
+    }
+
+    /**
+     * Creates a function that wraps `func` to continue currying.
+     *
+     * @private
+     * @param {Function} func The function to wrap.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @param {Function} wrapFunc The function to create the `func` wrapper.
+     * @param {*} placeholder The placeholder value.
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to prepend to those provided to
+     *  the new function.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
+      var isCurry = bitmask & WRAP_CURRY_FLAG,
+          newHolders = isCurry ? holders : undefined,
+          newHoldersRight = isCurry ? undefined : holders,
+          newPartials = isCurry ? partials : undefined,
+          newPartialsRight = isCurry ? undefined : partials;
+
+      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
+      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+
+      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+      }
+      var newData = [
+        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
+        newHoldersRight, argPos, ary, arity
+      ];
+
+      var result = wrapFunc.apply(undefined, newData);
+      if (isLaziable(func)) {
+        setData(result, newData);
+      }
+      result.placeholder = placeholder;
+      return setWrapToString(result, func, bitmask);
+    }
+
+    /**
+     * Creates a function like `_.round`.
+     *
+     * @private
+     * @param {string} methodName The name of the `Math` method to use when rounding.
+     * @returns {Function} Returns the new round function.
+     */
+    function createRound(methodName) {
+      var func = Math[methodName];
+      return function(number, precision) {
+        number = toNumber(number);
+        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
+        if (precision && nativeIsFinite(number)) {
+          // Shift with exponential notation to avoid floating-point issues.
+          // See [MDN](https://mdn.io/round#Examples) for more details.
+          var pair = (toString(number) + 'e').split('e'),
+              value = func(pair[0] + 'e' + (+pair[1] + precision));
+
+          pair = (toString(value) + 'e').split('e');
+          return +(pair[0] + 'e' + (+pair[1] - precision));
+        }
+        return func(number);
+      };
+    }
+
+    /**
+     * Creates a set object of `values`.
+     *
+     * @private
+     * @param {Array} values The values to add to the set.
+     * @returns {Object} Returns the new set.
+     */
+    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
+      return new Set(values);
+    };
+
+    /**
+     * Creates a `_.toPairs` or `_.toPairsIn` function.
+     *
+     * @private
+     * @param {Function} keysFunc The function to get the keys of a given object.
+     * @returns {Function} Returns the new pairs function.
+     */
+    function createToPairs(keysFunc) {
+      return function(object) {
+        var tag = getTag(object);
+        if (tag == mapTag) {
+          return mapToArray(object);
+        }
+        if (tag == setTag) {
+          return setToPairs(object);
+        }
+        return baseToPairs(object, keysFunc(object));
+      };
+    }
+
+    /**
+     * Creates a function that either curries or invokes `func` with optional
+     * `this` binding and partially applied arguments.
+     *
+     * @private
+     * @param {Function|string} func The function or method name to wrap.
+     * @param {number} bitmask The bitmask flags.
+     *    1 - `_.bind`
+     *    2 - `_.bindKey`
+     *    4 - `_.curry` or `_.curryRight` of a bound function
+     *    8 - `_.curry`
+     *   16 - `_.curryRight`
+     *   32 - `_.partial`
+     *   64 - `_.partialRight`
+     *  128 - `_.rearg`
+     *  256 - `_.ary`
+     *  512 - `_.flip`
+     * @param {*} [thisArg] The `this` binding of `func`.
+     * @param {Array} [partials] The arguments to be partially applied.
+     * @param {Array} [holders] The `partials` placeholder indexes.
+     * @param {Array} [argPos] The argument positions of the new function.
+     * @param {number} [ary] The arity cap of `func`.
+     * @param {number} [arity] The arity of `func`.
+     * @returns {Function} Returns the new wrapped function.
+     */
+    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+      if (!isBindKey && typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var length = partials ? partials.length : 0;
+      if (!length) {
+        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+        partials = holders = undefined;
+      }
+      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
+      arity = arity === undefined ? arity : toInteger(arity);
+      length -= holders ? holders.length : 0;
+
+      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+        var partialsRight = partials,
+            holdersRight = holders;
+
+        partials = holders = undefined;
+      }
+      var data = isBindKey ? undefined : getData(func);
+
+      var newData = [
+        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
+        argPos, ary, arity
+      ];
+
+      if (data) {
+        mergeData(newData, data);
+      }
+      func = newData[0];
+      bitmask = newData[1];
+      thisArg = newData[2];
+      partials = newData[3];
+      holders = newData[4];
+      arity = newData[9] = newData[9] === undefined
+        ? (isBindKey ? 0 : func.length)
+        : nativeMax(newData[9] - length, 0);
+
+      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+      }
+      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+        var result = createBind(func, bitmask, thisArg);
+      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+        result = createCurry(func, bitmask, arity);
+      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+        result = createPartial(func, bitmask, thisArg, partials);
+      } else {
+        result = createHybrid.apply(undefined, newData);
+      }
+      var setter = data ? baseSetData : setData;
+      return setWrapToString(setter(result, newData), func, bitmask);
+    }
+
+    /**
+     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+     * of source objects to the destination object for all destination properties
+     * that resolve to `undefined`.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to assign.
+     * @param {Object} object The parent object of `objValue`.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsAssignIn(objValue, srcValue, key, object) {
+      if (objValue === undefined ||
+          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+        return srcValue;
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+     * objects into destination objects that are passed thru.
+     *
+     * @private
+     * @param {*} objValue The destination value.
+     * @param {*} srcValue The source value.
+     * @param {string} key The key of the property to merge.
+     * @param {Object} object The parent object of `objValue`.
+     * @param {Object} source The parent object of `srcValue`.
+     * @param {Object} [stack] Tracks traversed source values and their merged
+     *  counterparts.
+     * @returns {*} Returns the value to assign.
+     */
+    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+      if (isObject(objValue) && isObject(srcValue)) {
+        // Recursively merge objects and arrays (susceptible to call stack limits).
+        stack.set(srcValue, objValue);
+        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+        stack['delete'](srcValue);
+      }
+      return objValue;
+    }
+
+    /**
+     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+     * objects.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @param {string} key The key of the property to inspect.
+     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
+     */
+    function customOmitClone(value) {
+      return isPlainObject(value) ? undefined : value;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for arrays with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Array} array The array to compare.
+     * @param {Array} other The other array to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `array` and `other` objects.
+     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+     */
+    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          arrLength = array.length,
+          othLength = other.length;
+
+      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+        return false;
+      }
+      // Assume cyclic values are equal.
+      var stacked = stack.get(array);
+      if (stacked && stack.get(other)) {
+        return stacked == other;
+      }
+      var index = -1,
+          result = true,
+          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+
+      stack.set(array, other);
+      stack.set(other, array);
+
+      // Ignore non-index properties.
+      while (++index < arrLength) {
+        var arrValue = array[index],
+            othValue = other[index];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, arrValue, index, other, array, stack)
+            : customizer(arrValue, othValue, index, array, other, stack);
+        }
+        if (compared !== undefined) {
+          if (compared) {
+            continue;
+          }
+          result = false;
+          break;
+        }
+        // Recursively compare arrays (susceptible to call stack limits).
+        if (seen) {
+          if (!arraySome(other, function(othValue, othIndex) {
+                if (!cacheHas(seen, othIndex) &&
+                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+                  return seen.push(othIndex);
+                }
+              })) {
+            result = false;
+            break;
+          }
+        } else if (!(
+              arrValue === othValue ||
+                equalFunc(arrValue, othValue, bitmask, customizer, stack)
+            )) {
+          result = false;
+          break;
+        }
+      }
+      stack['delete'](array);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for comparing objects of
+     * the same `toStringTag`.
+     *
+     * **Note:** This function only supports comparing values with tags of
+     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {string} tag The `toStringTag` of the objects to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+      switch (tag) {
+        case dataViewTag:
+          if ((object.byteLength != other.byteLength) ||
+              (object.byteOffset != other.byteOffset)) {
+            return false;
+          }
+          object = object.buffer;
+          other = other.buffer;
+
+        case arrayBufferTag:
+          if ((object.byteLength != other.byteLength) ||
+              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+            return false;
+          }
+          return true;
+
+        case boolTag:
+        case dateTag:
+        case numberTag:
+          // Coerce booleans to `1` or `0` and dates to milliseconds.
+          // Invalid dates are coerced to `NaN`.
+          return eq(+object, +other);
+
+        case errorTag:
+          return object.name == other.name && object.message == other.message;
+
+        case regexpTag:
+        case stringTag:
+          // Coerce regexes to strings and treat strings, primitives and objects,
+          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+          // for more details.
+          return object == (other + '');
+
+        case mapTag:
+          var convert = mapToArray;
+
+        case setTag:
+          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
+          convert || (convert = setToArray);
+
+          if (object.size != other.size && !isPartial) {
+            return false;
+          }
+          // Assume cyclic values are equal.
+          var stacked = stack.get(object);
+          if (stacked) {
+            return stacked == other;
+          }
+          bitmask |= COMPARE_UNORDERED_FLAG;
+
+          // Recursively compare objects (susceptible to call stack limits).
+          stack.set(object, other);
+          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+          stack['delete'](object);
+          return result;
+
+        case symbolTag:
+          if (symbolValueOf) {
+            return symbolValueOf.call(object) == symbolValueOf.call(other);
+          }
+      }
+      return false;
+    }
+
+    /**
+     * A specialized version of `baseIsEqualDeep` for objects with support for
+     * partial deep comparisons.
+     *
+     * @private
+     * @param {Object} object The object to compare.
+     * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
+     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {Object} stack Tracks traversed `object` and `other` objects.
+     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+     */
+    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+          objProps = getAllKeys(object),
+          objLength = objProps.length,
+          othProps = getAllKeys(other),
+          othLength = othProps.length;
+
+      if (objLength != othLength && !isPartial) {
+        return false;
+      }
+      var index = objLength;
+      while (index--) {
+        var key = objProps[index];
+        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+          return false;
+        }
+      }
+      // Assume cyclic values are equal.
+      var stacked = stack.get(object);
+      if (stacked && stack.get(other)) {
+        return stacked == other;
+      }
+      var result = true;
+      stack.set(object, other);
+      stack.set(other, object);
+
+      var skipCtor = isPartial;
+      while (++index < objLength) {
+        key = objProps[index];
+        var objValue = object[key],
+            othValue = other[key];
+
+        if (customizer) {
+          var compared = isPartial
+            ? customizer(othValue, objValue, key, other, object, stack)
+            : customizer(objValue, othValue, key, object, other, stack);
+        }
+        // Recursively compare objects (susceptible to call stack limits).
+        if (!(compared === undefined
+              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+              : compared
+            )) {
+          result = false;
+          break;
+        }
+        skipCtor || (skipCtor = key == 'constructor');
+      }
+      if (result && !skipCtor) {
+        var objCtor = object.constructor,
+            othCtor = other.constructor;
+
+        // Non `Object` object instances with different constructors are not equal.
+        if (objCtor != othCtor &&
+            ('constructor' in object && 'constructor' in other) &&
+            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+          result = false;
+        }
+      }
+      stack['delete'](object);
+      stack['delete'](other);
+      return result;
+    }
+
+    /**
+     * A specialized version of `baseRest` which flattens the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @returns {Function} Returns the new function.
+     */
+    function flatRest(func) {
+      return setToString(overRest(func, undefined, flatten), func + '');
+    }
+
+    /**
+     * Creates an array of own enumerable property names and symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeys(object) {
+      return baseGetAllKeys(object, keys, getSymbols);
+    }
+
+    /**
+     * Creates an array of own and inherited enumerable property names and
+     * symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names and symbols.
+     */
+    function getAllKeysIn(object) {
+      return baseGetAllKeys(object, keysIn, getSymbolsIn);
+    }
+
+    /**
+     * Gets metadata for `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {*} Returns the metadata for `func`.
+     */
+    var getData = !metaMap ? noop : function(func) {
+      return metaMap.get(func);
+    };
+
+    /**
+     * Gets the name of `func`.
+     *
+     * @private
+     * @param {Function} func The function to query.
+     * @returns {string} Returns the function name.
+     */
+    function getFuncName(func) {
+      var result = (func.name + ''),
+          array = realNames[result],
+          length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+
+      while (length--) {
+        var data = array[length],
+            otherFunc = data.func;
+        if (otherFunc == null || otherFunc == func) {
+          return data.name;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Gets the argument placeholder value for `func`.
+     *
+     * @private
+     * @param {Function} func The function to inspect.
+     * @returns {*} Returns the placeholder value.
+     */
+    function getHolder(func) {
+      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
+      return object.placeholder;
+    }
+
+    /**
+     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
+     * this function returns the custom method, otherwise it returns `baseIteratee`.
+     * If arguments are provided, the chosen function is invoked with them and
+     * its result is returned.
+     *
+     * @private
+     * @param {*} [value] The value to convert to an iteratee.
+     * @param {number} [arity] The arity of the created iteratee.
+     * @returns {Function} Returns the chosen function or its result.
+     */
+    function getIteratee() {
+      var result = lodash.iteratee || iteratee;
+      result = result === iteratee ? baseIteratee : result;
+      return arguments.length ? result(arguments[0], arguments[1]) : result;
+    }
+
+    /**
+     * Gets the data for `map`.
+     *
+     * @private
+     * @param {Object} map The map to query.
+     * @param {string} key The reference key.
+     * @returns {*} Returns the map data.
+     */
+    function getMapData(map, key) {
+      var data = map.__data__;
+      return isKeyable(key)
+        ? data[typeof key == 'string' ? 'string' : 'hash']
+        : data.map;
+    }
+
+    /**
+     * Gets the property names, values, and compare flags of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the match data of `object`.
+     */
+    function getMatchData(object) {
+      var result = keys(object),
+          length = result.length;
+
+      while (length--) {
+        var key = result[length],
+            value = object[key];
+
+        result[length] = [key, value, isStrictComparable(value)];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the native function at `key` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the method to get.
+     * @returns {*} Returns the function if it's native, else `undefined`.
+     */
+    function getNative(object, key) {
+      var value = getValue(object, key);
+      return baseIsNative(value) ? value : undefined;
+    }
+
+    /**
+     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the raw `toStringTag`.
+     */
+    function getRawTag(value) {
+      var isOwn = hasOwnProperty.call(value, symToStringTag),
+          tag = value[symToStringTag];
+
+      try {
+        value[symToStringTag] = undefined;
+        var unmasked = true;
+      } catch (e) {}
+
+      var result = nativeObjectToString.call(value);
+      if (unmasked) {
+        if (isOwn) {
+          value[symToStringTag] = tag;
+        } else {
+          delete value[symToStringTag];
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array of the own enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+      if (object == null) {
+        return [];
+      }
+      object = Object(object);
+      return arrayFilter(nativeGetSymbols(object), function(symbol) {
+        return propertyIsEnumerable.call(object, symbol);
+      });
+    };
+
+    /**
+     * Creates an array of the own and inherited enumerable symbols of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of symbols.
+     */
+    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
+      var result = [];
+      while (object) {
+        arrayPush(result, getSymbols(object));
+        object = getPrototype(object);
+      }
+      return result;
+    };
+
+    /**
+     * Gets the `toStringTag` of `value`.
+     *
+     * @private
+     * @param {*} value The value to query.
+     * @returns {string} Returns the `toStringTag`.
+     */
+    var getTag = baseGetTag;
+
+    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+        (Map && getTag(new Map) != mapTag) ||
+        (Promise && getTag(Promise.resolve()) != promiseTag) ||
+        (Set && getTag(new Set) != setTag) ||
+        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+      getTag = function(value) {
+        var result = baseGetTag(value),
+            Ctor = result == objectTag ? value.constructor : undefined,
+            ctorString = Ctor ? toSource(Ctor) : '';
+
+        if (ctorString) {
+          switch (ctorString) {
+            case dataViewCtorString: return dataViewTag;
+            case mapCtorString: return mapTag;
+            case promiseCtorString: return promiseTag;
+            case setCtorString: return setTag;
+            case weakMapCtorString: return weakMapTag;
+          }
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Gets the view, applying any `transforms` to the `start` and `end` positions.
+     *
+     * @private
+     * @param {number} start The start of the view.
+     * @param {number} end The end of the view.
+     * @param {Array} transforms The transformations to apply to the view.
+     * @returns {Object} Returns an object containing the `start` and `end`
+     *  positions of the view.
+     */
+    function getView(start, end, transforms) {
+      var index = -1,
+          length = transforms.length;
+
+      while (++index < length) {
+        var data = transforms[index],
+            size = data.size;
+
+        switch (data.type) {
+          case 'drop':      start += size; break;
+          case 'dropRight': end -= size; break;
+          case 'take':      end = nativeMin(end, start + size); break;
+          case 'takeRight': start = nativeMax(start, end - size); break;
+        }
+      }
+      return { 'start': start, 'end': end };
+    }
+
+    /**
+     * Extracts wrapper details from the `source` body comment.
+     *
+     * @private
+     * @param {string} source The source to inspect.
+     * @returns {Array} Returns the wrapper details.
+     */
+    function getWrapDetails(source) {
+      var match = source.match(reWrapDetails);
+      return match ? match[1].split(reSplitDetails) : [];
+    }
+
+    /**
+     * Checks if `path` exists on `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @param {Function} hasFunc The function to check properties.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     */
+    function hasPath(object, path, hasFunc) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length,
+          result = false;
+
+      while (++index < length) {
+        var key = toKey(path[index]);
+        if (!(result = object != null && hasFunc(object, key))) {
+          break;
+        }
+        object = object[key];
+      }
+      if (result || ++index != length) {
+        return result;
+      }
+      length = object == null ? 0 : object.length;
+      return !!length && isLength(length) && isIndex(key, length) &&
+        (isArray(object) || isArguments(object));
+    }
+
+    /**
+     * Initializes an array clone.
+     *
+     * @private
+     * @param {Array} array The array to clone.
+     * @returns {Array} Returns the initialized clone.
+     */
+    function initCloneArray(array) {
+      var length = array.length,
+          result = new array.constructor(length);
+
+      // Add properties assigned by `RegExp#exec`.
+      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+        result.index = array.index;
+        result.input = array.input;
+      }
+      return result;
+    }
+
+    /**
+     * Initializes an object clone.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneObject(object) {
+      return (typeof object.constructor == 'function' && !isPrototype(object))
+        ? baseCreate(getPrototype(object))
+        : {};
+    }
+
+    /**
+     * Initializes an object clone based on its `toStringTag`.
+     *
+     * **Note:** This function only supports cloning values with tags of
+     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
+     *
+     * @private
+     * @param {Object} object The object to clone.
+     * @param {string} tag The `toStringTag` of the object to clone.
+     * @param {boolean} [isDeep] Specify a deep clone.
+     * @returns {Object} Returns the initialized clone.
+     */
+    function initCloneByTag(object, tag, isDeep) {
+      var Ctor = object.constructor;
+      switch (tag) {
+        case arrayBufferTag:
+          return cloneArrayBuffer(object);
+
+        case boolTag:
+        case dateTag:
+          return new Ctor(+object);
+
+        case dataViewTag:
+          return cloneDataView(object, isDeep);
+
+        case float32Tag: case float64Tag:
+        case int8Tag: case int16Tag: case int32Tag:
+        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+          return cloneTypedArray(object, isDeep);
+
+        case mapTag:
+          return new Ctor;
+
+        case numberTag:
+        case stringTag:
+          return new Ctor(object);
+
+        case regexpTag:
+          return cloneRegExp(object);
+
+        case setTag:
+          return new Ctor;
+
+        case symbolTag:
+          return cloneSymbol(object);
+      }
+    }
+
+    /**
+     * Inserts wrapper `details` in a comment at the top of the `source` body.
+     *
+     * @private
+     * @param {string} source The source to modify.
+     * @returns {Array} details The details to insert.
+     * @returns {string} Returns the modified source.
+     */
+    function insertWrapDetails(source, details) {
+      var length = details.length;
+      if (!length) {
+        return source;
+      }
+      var lastIndex = length - 1;
+      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
+      details = details.join(length > 2 ? ', ' : ' ');
+      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
+    }
+
+    /**
+     * Checks if `value` is a flattenable `arguments` object or array.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+     */
+    function isFlattenable(value) {
+      return isArray(value) || isArguments(value) ||
+        !!(spreadableSymbol && value && value[spreadableSymbol]);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like index.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+     */
+    function isIndex(value, length) {
+      var type = typeof value;
+      length = length == null ? MAX_SAFE_INTEGER : length;
+
+      return !!length &&
+        (type == 'number' ||
+          (type != 'symbol' && reIsUint.test(value))) &&
+            (value > -1 && value % 1 == 0 && value < length);
+    }
+
+    /**
+     * Checks if the given arguments are from an iteratee call.
+     *
+     * @private
+     * @param {*} value The potential iteratee value argument.
+     * @param {*} index The potential iteratee index or key argument.
+     * @param {*} object The potential iteratee object argument.
+     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+     *  else `false`.
+     */
+    function isIterateeCall(value, index, object) {
+      if (!isObject(object)) {
+        return false;
+      }
+      var type = typeof index;
+      if (type == 'number'
+            ? (isArrayLike(object) && isIndex(index, object.length))
+            : (type == 'string' && index in object)
+          ) {
+        return eq(object[index], value);
+      }
+      return false;
+    }
+
+    /**
+     * Checks if `value` is a property name and not a property path.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @param {Object} [object] The object to query keys on.
+     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+     */
+    function isKey(value, object) {
+      if (isArray(value)) {
+        return false;
+      }
+      var type = typeof value;
+      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+          value == null || isSymbol(value)) {
+        return true;
+      }
+      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+        (object != null && value in Object(object));
+    }
+
+    /**
+     * Checks if `value` is suitable for use as unique object key.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+     */
+    function isKeyable(value) {
+      var type = typeof value;
+      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+        ? (value !== '__proto__')
+        : (value === null);
+    }
+
+    /**
+     * Checks if `func` has a lazy counterpart.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
+     *  else `false`.
+     */
+    function isLaziable(func) {
+      var funcName = getFuncName(func),
+          other = lodash[funcName];
+
+      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+        return false;
+      }
+      if (func === other) {
+        return true;
+      }
+      var data = getData(other);
+      return !!data && func === data[0];
+    }
+
+    /**
+     * Checks if `func` has its source masked.
+     *
+     * @private
+     * @param {Function} func The function to check.
+     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+     */
+    function isMasked(func) {
+      return !!maskSrcKey && (maskSrcKey in func);
+    }
+
+    /**
+     * Checks if `func` is capable of being masked.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
+     */
+    var isMaskable = coreJsData ? isFunction : stubFalse;
+
+    /**
+     * Checks if `value` is likely a prototype object.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+     */
+    function isPrototype(value) {
+      var Ctor = value && value.constructor,
+          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+
+      return value === proto;
+    }
+
+    /**
+     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` if suitable for strict
+     *  equality comparisons, else `false`.
+     */
+    function isStrictComparable(value) {
+      return value === value && !isObject(value);
+    }
+
+    /**
+     * A specialized version of `matchesProperty` for source values suitable
+     * for strict equality comparisons, i.e. `===`.
+     *
+     * @private
+     * @param {string} key The key of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     */
+    function matchesStrictComparable(key, srcValue) {
+      return function(object) {
+        if (object == null) {
+          return false;
+        }
+        return object[key] === srcValue &&
+          (srcValue !== undefined || (key in Object(object)));
+      };
+    }
+
+    /**
+     * A specialized version of `_.memoize` which clears the memoized function's
+     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+     *
+     * @private
+     * @param {Function} func The function to have its output memoized.
+     * @returns {Function} Returns the new memoized function.
+     */
+    function memoizeCapped(func) {
+      var result = memoize(func, function(key) {
+        if (cache.size === MAX_MEMOIZE_SIZE) {
+          cache.clear();
+        }
+        return key;
+      });
+
+      var cache = result.cache;
+      return result;
+    }
+
+    /**
+     * Merges the function metadata of `source` into `data`.
+     *
+     * Merging metadata reduces the number of wrappers used to invoke a function.
+     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+     * may be applied regardless of execution order. Methods like `_.ary` and
+     * `_.rearg` modify function arguments, making the order in which they are
+     * executed important, preventing the merging of metadata. However, we make
+     * an exception for a safe combined case where curried functions have `_.ary`
+     * and or `_.rearg` applied.
+     *
+     * @private
+     * @param {Array} data The destination metadata.
+     * @param {Array} source The source metadata.
+     * @returns {Array} Returns `data`.
+     */
+    function mergeData(data, source) {
+      var bitmask = data[1],
+          srcBitmask = source[1],
+          newBitmask = bitmask | srcBitmask,
+          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+
+      var isCombo =
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
+        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
+
+      // Exit early if metadata can't be merged.
+      if (!(isCommon || isCombo)) {
+        return data;
+      }
+      // Use source `thisArg` if available.
+      if (srcBitmask & WRAP_BIND_FLAG) {
+        data[2] = source[2];
+        // Set when currying a bound function.
+        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+      }
+      // Compose partial arguments.
+      var value = source[3];
+      if (value) {
+        var partials = data[3];
+        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+      }
+      // Compose partial right arguments.
+      value = source[5];
+      if (value) {
+        partials = data[5];
+        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+      }
+      // Use source `argPos` if available.
+      value = source[7];
+      if (value) {
+        data[7] = value;
+      }
+      // Use source `ary` if it's smaller.
+      if (srcBitmask & WRAP_ARY_FLAG) {
+        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+      }
+      // Use source `arity` if one is not provided.
+      if (data[9] == null) {
+        data[9] = source[9];
+      }
+      // Use source `func` and merge bitmasks.
+      data[0] = source[0];
+      data[1] = newBitmask;
+
+      return data;
+    }
+
+    /**
+     * This function is like
+     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * except that it includes inherited enumerable properties.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     */
+    function nativeKeysIn(object) {
+      var result = [];
+      if (object != null) {
+        for (var key in Object(object)) {
+          result.push(key);
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a string using `Object.prototype.toString`.
+     *
+     * @private
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     */
+    function objectToString(value) {
+      return nativeObjectToString.call(value);
+    }
+
+    /**
+     * A specialized version of `baseRest` which transforms the rest array.
+     *
+     * @private
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @param {Function} transform The rest array transform.
+     * @returns {Function} Returns the new function.
+     */
+    function overRest(func, start, transform) {
+      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+      return function() {
+        var args = arguments,
+            index = -1,
+            length = nativeMax(args.length - start, 0),
+            array = Array(length);
+
+        while (++index < length) {
+          array[index] = args[start + index];
+        }
+        index = -1;
+        var otherArgs = Array(start + 1);
+        while (++index < start) {
+          otherArgs[index] = args[index];
+        }
+        otherArgs[start] = transform(array);
+        return apply(func, this, otherArgs);
+      };
+    }
+
+    /**
+     * Gets the parent value at `path` of `object`.
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {Array} path The path to get the parent value of.
+     * @returns {*} Returns the parent value.
+     */
+    function parent(object, path) {
+      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+    }
+
+    /**
+     * Reorder `array` according to the specified indexes where the element at
+     * the first index is assigned as the first element, the element at
+     * the second index is assigned as the second element, and so on.
+     *
+     * @private
+     * @param {Array} array The array to reorder.
+     * @param {Array} indexes The arranged array indexes.
+     * @returns {Array} Returns `array`.
+     */
+    function reorder(array, indexes) {
+      var arrLength = array.length,
+          length = nativeMin(indexes.length, arrLength),
+          oldArray = copyArray(array);
+
+      while (length--) {
+        var index = indexes[length];
+        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+      }
+      return array;
+    }
+
+    /**
+     * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
+     *
+     * @private
+     * @param {Object} object The object to query.
+     * @param {string} key The key of the property to get.
+     * @returns {*} Returns the property value.
+     */
+    function safeGet(object, key) {
+      if (key === 'constructor' && typeof object[key] === 'function') {
+        return;
+      }
+
+      if (key == '__proto__') {
+        return;
+      }
+
+      return object[key];
+    }
+
+    /**
+     * Sets metadata for `func`.
+     *
+     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+     * period of time, it will trip its breaker and transition to an identity
+     * function to avoid garbage collection pauses in V8. See
+     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
+     * for more details.
+     *
+     * @private
+     * @param {Function} func The function to associate metadata with.
+     * @param {*} data The metadata.
+     * @returns {Function} Returns `func`.
+     */
+    var setData = shortOut(baseSetData);
+
+    /**
+     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
+     *
+     * @private
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @returns {number|Object} Returns the timer id or timeout object.
+     */
+    var setTimeout = ctxSetTimeout || function(func, wait) {
+      return root.setTimeout(func, wait);
+    };
+
+    /**
+     * Sets the `toString` method of `func` to return `string`.
+     *
+     * @private
+     * @param {Function} func The function to modify.
+     * @param {Function} string The `toString` result.
+     * @returns {Function} Returns `func`.
+     */
+    var setToString = shortOut(baseSetToString);
+
+    /**
+     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
+     * with wrapper details in a comment at the top of the source body.
+     *
+     * @private
+     * @param {Function} wrapper The function to modify.
+     * @param {Function} reference The reference function.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Function} Returns `wrapper`.
+     */
+    function setWrapToString(wrapper, reference, bitmask) {
+      var source = (reference + '');
+      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+    }
+
+    /**
+     * Creates a function that'll short out and invoke `identity` instead
+     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+     * milliseconds.
+     *
+     * @private
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new shortable function.
+     */
+    function shortOut(func) {
+      var count = 0,
+          lastCalled = 0;
+
+      return function() {
+        var stamp = nativeNow(),
+            remaining = HOT_SPAN - (stamp - lastCalled);
+
+        lastCalled = stamp;
+        if (remaining > 0) {
+          if (++count >= HOT_COUNT) {
+            return arguments[0];
+          }
+        } else {
+          count = 0;
+        }
+        return func.apply(undefined, arguments);
+      };
+    }
+
+    /**
+     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
+     *
+     * @private
+     * @param {Array} array The array to shuffle.
+     * @param {number} [size=array.length] The size of `array`.
+     * @returns {Array} Returns `array`.
+     */
+    function shuffleSelf(array, size) {
+      var index = -1,
+          length = array.length,
+          lastIndex = length - 1;
+
+      size = size === undefined ? length : size;
+      while (++index < size) {
+        var rand = baseRandom(index, lastIndex),
+            value = array[rand];
+
+        array[rand] = array[index];
+        array[index] = value;
+      }
+      array.length = size;
+      return array;
+    }
+
+    /**
+     * Converts `string` to a property path array.
+     *
+     * @private
+     * @param {string} string The string to convert.
+     * @returns {Array} Returns the property path array.
+     */
+    var stringToPath = memoizeCapped(function(string) {
+      var result = [];
+      if (string.charCodeAt(0) === 46 /* . */) {
+        result.push('');
+      }
+      string.replace(rePropName, function(match, number, quote, subString) {
+        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
+      });
+      return result;
+    });
+
+    /**
+     * Converts `value` to a string key if it's not a string or symbol.
+     *
+     * @private
+     * @param {*} value The value to inspect.
+     * @returns {string|symbol} Returns the key.
+     */
+    function toKey(value) {
+      if (typeof value == 'string' || isSymbol(value)) {
+        return value;
+      }
+      var result = (value + '');
+      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+    }
+
+    /**
+     * Converts `func` to its source code.
+     *
+     * @private
+     * @param {Function} func The function to convert.
+     * @returns {string} Returns the source code.
+     */
+    function toSource(func) {
+      if (func != null) {
+        try {
+          return funcToString.call(func);
+        } catch (e) {}
+        try {
+          return (func + '');
+        } catch (e) {}
+      }
+      return '';
+    }
+
+    /**
+     * Updates wrapper `details` based on `bitmask` flags.
+     *
+     * @private
+     * @returns {Array} details The details to modify.
+     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+     * @returns {Array} Returns `details`.
+     */
+    function updateWrapDetails(details, bitmask) {
+      arrayEach(wrapFlags, function(pair) {
+        var value = '_.' + pair[0];
+        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
+          details.push(value);
+        }
+      });
+      return details.sort();
+    }
+
+    /**
+     * Creates a clone of `wrapper`.
+     *
+     * @private
+     * @param {Object} wrapper The wrapper to clone.
+     * @returns {Object} Returns the cloned wrapper.
+     */
+    function wrapperClone(wrapper) {
+      if (wrapper instanceof LazyWrapper) {
+        return wrapper.clone();
+      }
+      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+      result.__actions__ = copyArray(wrapper.__actions__);
+      result.__index__  = wrapper.__index__;
+      result.__values__ = wrapper.__values__;
+      return result;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an array of elements split into groups the length of `size`.
+     * If `array` can't be split evenly, the final chunk will be the remaining
+     * elements.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to process.
+     * @param {number} [size=1] The length of each chunk
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the new array of chunks.
+     * @example
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 2);
+     * // => [['a', 'b'], ['c', 'd']]
+     *
+     * _.chunk(['a', 'b', 'c', 'd'], 3);
+     * // => [['a', 'b', 'c'], ['d']]
+     */
+    function chunk(array, size, guard) {
+      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+        size = 1;
+      } else {
+        size = nativeMax(toInteger(size), 0);
+      }
+      var length = array == null ? 0 : array.length;
+      if (!length || size < 1) {
+        return [];
+      }
+      var index = 0,
+          resIndex = 0,
+          result = Array(nativeCeil(length / size));
+
+      while (index < length) {
+        result[resIndex++] = baseSlice(array, index, (index += size));
+      }
+      return result;
+    }
+
+    /**
+     * Creates an array with all falsey values removed. The values `false`, `null`,
+     * `0`, `""`, `undefined`, and `NaN` are falsey.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to compact.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.compact([0, 1, false, 2, '', 3]);
+     * // => [1, 2, 3]
+     */
+    function compact(array) {
+      var index = -1,
+          length = array == null ? 0 : array.length,
+          resIndex = 0,
+          result = [];
+
+      while (++index < length) {
+        var value = array[index];
+        if (value) {
+          result[resIndex++] = value;
+        }
+      }
+      return result;
+    }
+
+    /**
+     * Creates a new array concatenating `array` with any additional arrays
+     * and/or values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to concatenate.
+     * @param {...*} [values] The values to concatenate.
+     * @returns {Array} Returns the new concatenated array.
+     * @example
+     *
+     * var array = [1];
+     * var other = _.concat(array, 2, [3], [[4]]);
+     *
+     * console.log(other);
+     * // => [1, 2, 3, [4]]
+     *
+     * console.log(array);
+     * // => [1]
+     */
+    function concat() {
+      var length = arguments.length;
+      if (!length) {
+        return [];
+      }
+      var args = Array(length - 1),
+          array = arguments[0],
+          index = length;
+
+      while (index--) {
+        args[index - 1] = arguments[index];
+      }
+      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+    }
+
+    /**
+     * Creates an array of `array` values not included in the other given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * **Note:** Unlike `_.pullAll`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.without, _.xor
+     * @example
+     *
+     * _.difference([2, 1], [2, 3]);
+     * // => [1]
+     */
+    var difference = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `iteratee` which
+     * is invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var differenceBy = baseRest(function(array, values) {
+      var iteratee = last(values);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.difference` except that it accepts `comparator`
+     * which is invoked to compare elements of `array` to `values`. The order and
+     * references of result values are determined by the first array. The comparator
+     * is invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...Array} [values] The values to exclude.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     *
+     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }]
+     */
+    var differenceWith = baseRest(function(array, values) {
+      var comparator = last(values);
+      if (isArrayLikeObject(comparator)) {
+        comparator = undefined;
+      }
+      return isArrayLikeObject(array)
+        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.drop([1, 2, 3]);
+     * // => [2, 3]
+     *
+     * _.drop([1, 2, 3], 2);
+     * // => [3]
+     *
+     * _.drop([1, 2, 3], 5);
+     * // => []
+     *
+     * _.drop([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function drop(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements dropped from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to drop.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.dropRight([1, 2, 3]);
+     * // => [1, 2]
+     *
+     * _.dropRight([1, 2, 3], 2);
+     * // => [1]
+     *
+     * _.dropRight([1, 2, 3], 5);
+     * // => []
+     *
+     * _.dropRight([1, 2, 3], 0);
+     * // => [1, 2, 3]
+     */
+    function dropRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the end.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.dropRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropRightWhile(users, ['active', false]);
+     * // => objects for ['barney']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropRightWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` excluding elements dropped from the beginning.
+     * Elements are dropped until `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.dropWhile(users, function(o) { return !o.active; });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.dropWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.dropWhile(users, ['active', false]);
+     * // => objects for ['pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.dropWhile(users, 'active');
+     * // => objects for ['barney', 'fred', 'pebbles']
+     */
+    function dropWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), true)
+        : [];
+    }
+
+    /**
+     * Fills elements of `array` with `value` from `start` up to, but not
+     * including, `end`.
+     *
+     * **Note:** This method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Array
+     * @param {Array} array The array to fill.
+     * @param {*} value The value to fill `array` with.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.fill(array, 'a');
+     * console.log(array);
+     * // => ['a', 'a', 'a']
+     *
+     * _.fill(Array(3), 2);
+     * // => [2, 2, 2]
+     *
+     * _.fill([4, 6, 8, 10], '*', 1, 3);
+     * // => [4, '*', '*', 10]
+     */
+    function fill(array, value, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+        start = 0;
+        end = length;
+      }
+      return baseFill(array, value, start, end);
+    }
+
+    /**
+     * This method is like `_.find` except that it returns the index of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.findIndex(users, function(o) { return o.user == 'barney'; });
+     * // => 0
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findIndex(users, { 'user': 'fred', 'active': false });
+     * // => 1
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findIndex(users, ['active', false]);
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findIndex(users, 'active');
+     * // => 2
+     */
+    function findIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index);
+    }
+
+    /**
+     * This method is like `_.findIndex` except that it iterates over elements
+     * of `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the found element, else `-1`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
+     * // => 2
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+     * // => 0
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastIndex(users, ['active', false]);
+     * // => 2
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastIndex(users, 'active');
+     * // => 0
+     */
+    function findLastIndex(array, predicate, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length - 1;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = fromIndex < 0
+          ? nativeMax(length + index, 0)
+          : nativeMin(index, length - 1);
+      }
+      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
+    }
+
+    /**
+     * Flattens `array` a single level deep.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flatten([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, [3, [4]], 5]
+     */
+    function flatten(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, 1) : [];
+    }
+
+    /**
+     * Recursively flattens `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * _.flattenDeep([1, [2, [3, [4]], 5]]);
+     * // => [1, 2, 3, 4, 5]
+     */
+    function flattenDeep(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseFlatten(array, INFINITY) : [];
+    }
+
+    /**
+     * Recursively flatten `array` up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Array
+     * @param {Array} array The array to flatten.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * var array = [1, [2, [3, [4]], 5]];
+     *
+     * _.flattenDepth(array, 1);
+     * // => [1, 2, [3, [4]], 5]
+     *
+     * _.flattenDepth(array, 2);
+     * // => [1, 2, 3, [4], 5]
+     */
+    function flattenDepth(array, depth) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(array, depth);
+    }
+
+    /**
+     * The inverse of `_.toPairs`; this method returns an object composed
+     * from key-value `pairs`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} pairs The key-value pairs.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.fromPairs([['a', 1], ['b', 2]]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function fromPairs(pairs) {
+      var index = -1,
+          length = pairs == null ? 0 : pairs.length,
+          result = {};
+
+      while (++index < length) {
+        var pair = pairs[index];
+        result[pair[0]] = pair[1];
+      }
+      return result;
+    }
+
+    /**
+     * Gets the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias first
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the first element of `array`.
+     * @example
+     *
+     * _.head([1, 2, 3]);
+     * // => 1
+     *
+     * _.head([]);
+     * // => undefined
+     */
+    function head(array) {
+      return (array && array.length) ? array[0] : undefined;
+    }
+
+    /**
+     * Gets the index at which the first occurrence of `value` is found in `array`
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. If `fromIndex` is negative, it's used as the
+     * offset from the end of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.indexOf([1, 2, 1, 2], 2);
+     * // => 1
+     *
+     * // Search from the `fromIndex`.
+     * _.indexOf([1, 2, 1, 2], 2, 2);
+     * // => 3
+     */
+    function indexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+      if (index < 0) {
+        index = nativeMax(length + index, 0);
+      }
+      return baseIndexOf(array, value, index);
+    }
+
+    /**
+     * Gets all but the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.initial([1, 2, 3]);
+     * // => [1, 2]
+     */
+    function initial(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 0, -1) : [];
+    }
+
+    /**
+     * Creates an array of unique values that are included in all given arrays
+     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons. The order and references of result values are
+     * determined by the first array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersection([2, 1], [2, 3]);
+     * // => [2]
+     */
+    var intersection = baseRest(function(arrays) {
+      var mapped = arrayMap(arrays, castArrayLikeObject);
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped)
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `iteratee`
+     * which is invoked for each element of each `arrays` to generate the criterion
+     * by which they're compared. The order and references of result values are
+     * determined by the first array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [2.1]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }]
+     */
+    var intersectionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      if (iteratee === last(mapped)) {
+        iteratee = undefined;
+      } else {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, getIteratee(iteratee, 2))
+        : [];
+    });
+
+    /**
+     * This method is like `_.intersection` except that it accepts `comparator`
+     * which is invoked to compare elements of `arrays`. The order and references
+     * of result values are determined by the first array. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of intersecting values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.intersectionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }]
+     */
+    var intersectionWith = baseRest(function(arrays) {
+      var comparator = last(arrays),
+          mapped = arrayMap(arrays, castArrayLikeObject);
+
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      if (comparator) {
+        mapped.pop();
+      }
+      return (mapped.length && mapped[0] === arrays[0])
+        ? baseIntersection(mapped, undefined, comparator)
+        : [];
+    });
+
+    /**
+     * Converts all elements in `array` into a string separated by `separator`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to convert.
+     * @param {string} [separator=','] The element separator.
+     * @returns {string} Returns the joined string.
+     * @example
+     *
+     * _.join(['a', 'b', 'c'], '~');
+     * // => 'a~b~c'
+     */
+    function join(array, separator) {
+      return array == null ? '' : nativeJoin.call(array, separator);
+    }
+
+    /**
+     * Gets the last element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {*} Returns the last element of `array`.
+     * @example
+     *
+     * _.last([1, 2, 3]);
+     * // => 3
+     */
+    function last(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? array[length - 1] : undefined;
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it iterates over elements of
+     * `array` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=array.length-1] The index to search from.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.lastIndexOf([1, 2, 1, 2], 2);
+     * // => 3
+     *
+     * // Search from the `fromIndex`.
+     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+     * // => 1
+     */
+    function lastIndexOf(array, value, fromIndex) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return -1;
+      }
+      var index = length;
+      if (fromIndex !== undefined) {
+        index = toInteger(fromIndex);
+        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+      }
+      return value === value
+        ? strictLastIndexOf(array, value, index)
+        : baseFindIndex(array, baseIsNaN, index, true);
+    }
+
+    /**
+     * Gets the element at index `n` of `array`. If `n` is negative, the nth
+     * element from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.11.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=0] The index of the element to return.
+     * @returns {*} Returns the nth element of `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     *
+     * _.nth(array, 1);
+     * // => 'b'
+     *
+     * _.nth(array, -2);
+     * // => 'c';
+     */
+    function nth(array, n) {
+      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+    }
+
+    /**
+     * Removes all given values from `array` using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
+     * to remove elements from an array by predicate.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...*} [values] The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pull(array, 'a', 'c');
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    var pull = baseRest(pullAll);
+
+    /**
+     * This method is like `_.pull` except that it accepts an array of values to remove.
+     *
+     * **Note:** Unlike `_.difference`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+     *
+     * _.pullAll(array, ['a', 'c']);
+     * console.log(array);
+     * // => ['b', 'b']
+     */
+    function pullAll(array, values) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values)
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `iteratee` which is
+     * invoked for each element of `array` and `values` to generate the criterion
+     * by which they're compared. The iteratee is invoked with one argument: (value).
+     *
+     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+     *
+     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
+     * console.log(array);
+     * // => [{ 'x': 2 }]
+     */
+    function pullAllBy(array, values, iteratee) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, getIteratee(iteratee, 2))
+        : array;
+    }
+
+    /**
+     * This method is like `_.pullAll` except that it accepts `comparator` which
+     * is invoked to compare elements of `array` to `values`. The comparator is
+     * invoked with two arguments: (arrVal, othVal).
+     *
+     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Array} values The values to remove.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
+     *
+     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
+     * console.log(array);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
+     */
+    function pullAllWith(array, values, comparator) {
+      return (array && array.length && values && values.length)
+        ? basePullAll(array, values, undefined, comparator)
+        : array;
+    }
+
+    /**
+     * Removes elements from `array` corresponding to `indexes` and returns an
+     * array of removed elements.
+     *
+     * **Note:** Unlike `_.at`, this method mutates `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = ['a', 'b', 'c', 'd'];
+     * var pulled = _.pullAt(array, [1, 3]);
+     *
+     * console.log(array);
+     * // => ['a', 'c']
+     *
+     * console.log(pulled);
+     * // => ['b', 'd']
+     */
+    var pullAt = flatRest(function(array, indexes) {
+      var length = array == null ? 0 : array.length,
+          result = baseAt(array, indexes);
+
+      basePullAt(array, arrayMap(indexes, function(index) {
+        return isIndex(index, length) ? +index : index;
+      }).sort(compareAscending));
+
+      return result;
+    });
+
+    /**
+     * Removes all elements from `array` that `predicate` returns truthy for
+     * and returns an array of the removed elements. The predicate is invoked
+     * with three arguments: (value, index, array).
+     *
+     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
+     * to pull elements from an array by value.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new array of removed elements.
+     * @example
+     *
+     * var array = [1, 2, 3, 4];
+     * var evens = _.remove(array, function(n) {
+     *   return n % 2 == 0;
+     * });
+     *
+     * console.log(array);
+     * // => [1, 3]
+     *
+     * console.log(evens);
+     * // => [2, 4]
+     */
+    function remove(array, predicate) {
+      var result = [];
+      if (!(array && array.length)) {
+        return result;
+      }
+      var index = -1,
+          indexes = [],
+          length = array.length;
+
+      predicate = getIteratee(predicate, 3);
+      while (++index < length) {
+        var value = array[index];
+        if (predicate(value, index, array)) {
+          result.push(value);
+          indexes.push(index);
+        }
+      }
+      basePullAt(array, indexes);
+      return result;
+    }
+
+    /**
+     * Reverses `array` so that the first element becomes the last, the second
+     * element becomes the second to last, and so on.
+     *
+     * **Note:** This method mutates `array` and is based on
+     * [`Array#reverse`](https://mdn.io/Array/reverse).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to modify.
+     * @returns {Array} Returns `array`.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _.reverse(array);
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function reverse(array) {
+      return array == null ? array : nativeReverse.call(array);
+    }
+
+    /**
+     * Creates a slice of `array` from `start` up to, but not including, `end`.
+     *
+     * **Note:** This method is used instead of
+     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+     * returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to slice.
+     * @param {number} [start=0] The start position.
+     * @param {number} [end=array.length] The end position.
+     * @returns {Array} Returns the slice of `array`.
+     */
+    function slice(array, start, end) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+        start = 0;
+        end = length;
+      }
+      else {
+        start = start == null ? 0 : toInteger(start);
+        end = end === undefined ? length : toInteger(end);
+      }
+      return baseSlice(array, start, end);
+    }
+
+    /**
+     * Uses a binary search to determine the lowest index at which `value`
+     * should be inserted into `array` in order to maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedIndex([30, 50], 40);
+     * // => 1
+     */
+    function sortedIndex(array, value) {
+      return baseSortedIndex(array, value);
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 0
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 0
+     */
+    function sortedIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * This method is like `_.indexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 1
+     */
+    function sortedIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value);
+        if (index < length && eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.sortedIndex` except that it returns the highest
+     * index at which `value` should be inserted into `array` in order to
+     * maintain its sort order.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
+     * // => 4
+     */
+    function sortedLastIndex(array, value) {
+      return baseSortedIndex(array, value, true);
+    }
+
+    /**
+     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
+     * which is invoked for `value` and each element of `array` to compute their
+     * sort ranking. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The sorted array to inspect.
+     * @param {*} value The value to evaluate.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the index at which `value` should be inserted
+     *  into `array`.
+     * @example
+     *
+     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+     *
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+     * // => 1
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
+     * // => 1
+     */
+    function sortedLastIndexBy(array, value, iteratee) {
+      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
+    }
+
+    /**
+     * This method is like `_.lastIndexOf` except that it performs a binary
+     * search on a sorted `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {*} value The value to search for.
+     * @returns {number} Returns the index of the matched value, else `-1`.
+     * @example
+     *
+     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
+     * // => 3
+     */
+    function sortedLastIndexOf(array, value) {
+      var length = array == null ? 0 : array.length;
+      if (length) {
+        var index = baseSortedIndex(array, value, true) - 1;
+        if (eq(array[index], value)) {
+          return index;
+        }
+      }
+      return -1;
+    }
+
+    /**
+     * This method is like `_.uniq` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniq([1, 1, 2]);
+     * // => [1, 2]
+     */
+    function sortedUniq(array) {
+      return (array && array.length)
+        ? baseSortedUniq(array)
+        : [];
+    }
+
+    /**
+     * This method is like `_.uniqBy` except that it's designed and optimized
+     * for sorted arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
+     * // => [1.1, 2.3]
+     */
+    function sortedUniqBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSortedUniq(array, getIteratee(iteratee, 2))
+        : [];
+    }
+
+    /**
+     * Gets all but the first element of `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.tail([1, 2, 3]);
+     * // => [2, 3]
+     */
+    function tail(array) {
+      var length = array == null ? 0 : array.length;
+      return length ? baseSlice(array, 1, length) : [];
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the beginning.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.take([1, 2, 3]);
+     * // => [1]
+     *
+     * _.take([1, 2, 3], 2);
+     * // => [1, 2]
+     *
+     * _.take([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.take([1, 2, 3], 0);
+     * // => []
+     */
+    function take(array, n, guard) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      return baseSlice(array, 0, n < 0 ? 0 : n);
+    }
+
+    /**
+     * Creates a slice of `array` with `n` elements taken from the end.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {number} [n=1] The number of elements to take.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * _.takeRight([1, 2, 3]);
+     * // => [3]
+     *
+     * _.takeRight([1, 2, 3], 2);
+     * // => [2, 3]
+     *
+     * _.takeRight([1, 2, 3], 5);
+     * // => [1, 2, 3]
+     *
+     * _.takeRight([1, 2, 3], 0);
+     * // => []
+     */
+    function takeRight(array, n, guard) {
+      var length = array == null ? 0 : array.length;
+      if (!length) {
+        return [];
+      }
+      n = (guard || n === undefined) ? 1 : toInteger(n);
+      n = length - n;
+      return baseSlice(array, n < 0 ? 0 : n, length);
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the end. Elements are
+     * taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': true },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': false }
+     * ];
+     *
+     * _.takeRightWhile(users, function(o) { return !o.active; });
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
+     * // => objects for ['pebbles']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeRightWhile(users, ['active', false]);
+     * // => objects for ['fred', 'pebbles']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeRightWhile(users, 'active');
+     * // => []
+     */
+    function takeRightWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3), false, true)
+        : [];
+    }
+
+    /**
+     * Creates a slice of `array` with elements taken from the beginning. Elements
+     * are taken until `predicate` returns falsey. The predicate is invoked with
+     * three arguments: (value, index, array).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Array
+     * @param {Array} array The array to query.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the slice of `array`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'active': false },
+     *   { 'user': 'fred',    'active': false },
+     *   { 'user': 'pebbles', 'active': true }
+     * ];
+     *
+     * _.takeWhile(users, function(o) { return !o.active; });
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.takeWhile(users, { 'user': 'barney', 'active': false });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.takeWhile(users, ['active', false]);
+     * // => objects for ['barney', 'fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.takeWhile(users, 'active');
+     * // => []
+     */
+    function takeWhile(array, predicate) {
+      return (array && array.length)
+        ? baseWhile(array, getIteratee(predicate, 3))
+        : [];
+    }
+
+    /**
+     * Creates an array of unique values, in order, from all given arrays using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.union([2], [1, 2]);
+     * // => [2, 1]
+     */
+    var union = baseRest(function(arrays) {
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which uniqueness is computed. Result values are chosen from the first
+     * array in which the value occurs. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    var unionBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.union` except that it accepts `comparator` which
+     * is invoked to compare elements of `arrays`. Result values are chosen from
+     * the first array in which the value occurs. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of combined values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.unionWith(objects, others, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var unionWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
+    });
+
+    /**
+     * Creates a duplicate-free version of an array, using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons, in which only the first occurrence of each element
+     * is kept. The order of result values is determined by the order they occur
+     * in the array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniq([2, 1, 2]);
+     * // => [2, 1]
+     */
+    function uniq(array) {
+      return (array && array.length) ? baseUniq(array) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * uniqueness is computed. The order of result values is determined by the
+     * order they occur in the array. The iteratee is invoked with one argument:
+     * (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
+     * // => [2.1, 1.2]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 1 }, { 'x': 2 }]
+     */
+    function uniqBy(array, iteratee) {
+      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
+    }
+
+    /**
+     * This method is like `_.uniq` except that it accepts `comparator` which
+     * is invoked to compare elements of `array`. The order of result values is
+     * determined by the order they occur in the array.The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new duplicate free array.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.uniqWith(objects, _.isEqual);
+     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
+     */
+    function uniqWith(array, comparator) {
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts an array of grouped
+     * elements and creates an array regrouping the elements to their pre-zip
+     * configuration.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.2.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     *
+     * _.unzip(zipped);
+     * // => [['a', 'b'], [1, 2], [true, false]]
+     */
+    function unzip(array) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var length = 0;
+      array = arrayFilter(array, function(group) {
+        if (isArrayLikeObject(group)) {
+          length = nativeMax(group.length, length);
+          return true;
+        }
+      });
+      return baseTimes(length, function(index) {
+        return arrayMap(array, baseProperty(index));
+      });
+    }
+
+    /**
+     * This method is like `_.unzip` except that it accepts `iteratee` to specify
+     * how regrouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {Array} array The array of grouped elements to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  regrouped values.
+     * @returns {Array} Returns the new array of regrouped elements.
+     * @example
+     *
+     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+     * // => [[1, 10, 100], [2, 20, 200]]
+     *
+     * _.unzipWith(zipped, _.add);
+     * // => [3, 30, 300]
+     */
+    function unzipWith(array, iteratee) {
+      if (!(array && array.length)) {
+        return [];
+      }
+      var result = unzip(array);
+      if (iteratee == null) {
+        return result;
+      }
+      return arrayMap(result, function(group) {
+        return apply(iteratee, undefined, group);
+      });
+    }
+
+    /**
+     * Creates an array excluding all given values using
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * for equality comparisons.
+     *
+     * **Note:** Unlike `_.pull`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {Array} array The array to inspect.
+     * @param {...*} [values] The values to exclude.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.xor
+     * @example
+     *
+     * _.without([2, 1, 2, 3], 1, 2);
+     * // => [3]
+     */
+    var without = baseRest(function(array, values) {
+      return isArrayLikeObject(array)
+        ? baseDifference(array, values)
+        : [];
+    });
+
+    /**
+     * Creates an array of unique values that is the
+     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+     * of the given arrays. The order of result values is determined by the order
+     * they occur in the arrays.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @returns {Array} Returns the new array of filtered values.
+     * @see _.difference, _.without
+     * @example
+     *
+     * _.xor([2, 1], [2, 3]);
+     * // => [1, 3]
+     */
+    var xor = baseRest(function(arrays) {
+      return baseXor(arrayFilter(arrays, isArrayLikeObject));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `iteratee` which is
+     * invoked for each element of each `arrays` to generate the criterion by
+     * which by which they're compared. The order of result values is determined
+     * by the order they occur in the arrays. The iteratee is invoked with one
+     * argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+     * // => [1.2, 3.4]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+     * // => [{ 'x': 2 }]
+     */
+    var xorBy = baseRest(function(arrays) {
+      var iteratee = last(arrays);
+      if (isArrayLikeObject(iteratee)) {
+        iteratee = undefined;
+      }
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
+    });
+
+    /**
+     * This method is like `_.xor` except that it accepts `comparator` which is
+     * invoked to compare elements of `arrays`. The order of result values is
+     * determined by the order they occur in the arrays. The comparator is invoked
+     * with two arguments: (arrVal, othVal).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to inspect.
+     * @param {Function} [comparator] The comparator invoked per element.
+     * @returns {Array} Returns the new array of filtered values.
+     * @example
+     *
+     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+     *
+     * _.xorWith(objects, others, _.isEqual);
+     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+     */
+    var xorWith = baseRest(function(arrays) {
+      var comparator = last(arrays);
+      comparator = typeof comparator == 'function' ? comparator : undefined;
+      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
+    });
+
+    /**
+     * Creates an array of grouped elements, the first of which contains the
+     * first elements of the given arrays, the second of which contains the
+     * second elements of the given arrays, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zip(['a', 'b'], [1, 2], [true, false]);
+     * // => [['a', 1, true], ['b', 2, false]]
+     */
+    var zip = baseRest(unzip);
+
+    /**
+     * This method is like `_.fromPairs` except that it accepts two arrays,
+     * one of property identifiers and one of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.4.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObject(['a', 'b'], [1, 2]);
+     * // => { 'a': 1, 'b': 2 }
+     */
+    function zipObject(props, values) {
+      return baseZipObject(props || [], values || [], assignValue);
+    }
+
+    /**
+     * This method is like `_.zipObject` except that it supports property paths.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Array
+     * @param {Array} [props=[]] The property identifiers.
+     * @param {Array} [values=[]] The property values.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+     */
+    function zipObjectDeep(props, values) {
+      return baseZipObject(props || [], values || [], baseSet);
+    }
+
+    /**
+     * This method is like `_.zip` except that it accepts `iteratee` to specify
+     * how grouped values should be combined. The iteratee is invoked with the
+     * elements of each group: (...group).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Array
+     * @param {...Array} [arrays] The arrays to process.
+     * @param {Function} [iteratee=_.identity] The function to combine
+     *  grouped values.
+     * @returns {Array} Returns the new array of grouped elements.
+     * @example
+     *
+     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
+     *   return a + b + c;
+     * });
+     * // => [111, 222]
+     */
+    var zipWith = baseRest(function(arrays) {
+      var length = arrays.length,
+          iteratee = length > 1 ? arrays[length - 1] : undefined;
+
+      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
+      return unzipWith(arrays, iteratee);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+     * chain sequences enabled. The result of such sequences must be unwrapped
+     * with `_#value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Seq
+     * @param {*} value The value to wrap.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36 },
+     *   { 'user': 'fred',    'age': 40 },
+     *   { 'user': 'pebbles', 'age': 1 }
+     * ];
+     *
+     * var youngest = _
+     *   .chain(users)
+     *   .sortBy('age')
+     *   .map(function(o) {
+     *     return o.user + ' is ' + o.age;
+     *   })
+     *   .head()
+     *   .value();
+     * // => 'pebbles is 1'
+     */
+    function chain(value) {
+      var result = lodash(value);
+      result.__chain__ = true;
+      return result;
+    }
+
+    /**
+     * This method invokes `interceptor` and returns `value`. The interceptor
+     * is invoked with one argument; (value). The purpose of this method is to
+     * "tap into" a method chain sequence in order to modify intermediate results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * _([1, 2, 3])
+     *  .tap(function(array) {
+     *    // Mutate input array.
+     *    array.pop();
+     *  })
+     *  .reverse()
+     *  .value();
+     * // => [2, 1]
+     */
+    function tap(value, interceptor) {
+      interceptor(value);
+      return value;
+    }
+
+    /**
+     * This method is like `_.tap` except that it returns the result of `interceptor`.
+     * The purpose of this method is to "pass thru" values replacing intermediate
+     * results in a method chain sequence.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Seq
+     * @param {*} value The value to provide to `interceptor`.
+     * @param {Function} interceptor The function to invoke.
+     * @returns {*} Returns the result of `interceptor`.
+     * @example
+     *
+     * _('  abc  ')
+     *  .chain()
+     *  .trim()
+     *  .thru(function(value) {
+     *    return [value];
+     *  })
+     *  .value();
+     * // => ['abc']
+     */
+    function thru(value, interceptor) {
+      return interceptor(value);
+    }
+
+    /**
+     * This method is the wrapper version of `_.at`.
+     *
+     * @name at
+     * @memberOf _
+     * @since 1.0.0
+     * @category Seq
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _(object).at(['a[0].b.c', 'a[1]']).value();
+     * // => [3, 4]
+     */
+    var wrapperAt = flatRest(function(paths) {
+      var length = paths.length,
+          start = length ? paths[0] : 0,
+          value = this.__wrapped__,
+          interceptor = function(object) { return baseAt(object, paths); };
+
+      if (length > 1 || this.__actions__.length ||
+          !(value instanceof LazyWrapper) || !isIndex(start)) {
+        return this.thru(interceptor);
+      }
+      value = value.slice(start, +start + (length ? 1 : 0));
+      value.__actions__.push({
+        'func': thru,
+        'args': [interceptor],
+        'thisArg': undefined
+      });
+      return new LodashWrapper(value, this.__chain__).thru(function(array) {
+        if (length && !array.length) {
+          array.push(undefined);
+        }
+        return array;
+      });
+    });
+
+    /**
+     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+     *
+     * @name chain
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 }
+     * ];
+     *
+     * // A sequence without explicit chaining.
+     * _(users).head();
+     * // => { 'user': 'barney', 'age': 36 }
+     *
+     * // A sequence with explicit chaining.
+     * _(users)
+     *   .chain()
+     *   .head()
+     *   .pick('user')
+     *   .value();
+     * // => { 'user': 'barney' }
+     */
+    function wrapperChain() {
+      return chain(this);
+    }
+
+    /**
+     * Executes the chain sequence and returns the wrapped result.
+     *
+     * @name commit
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2];
+     * var wrapped = _(array).push(3);
+     *
+     * console.log(array);
+     * // => [1, 2]
+     *
+     * wrapped = wrapped.commit();
+     * console.log(array);
+     * // => [1, 2, 3]
+     *
+     * wrapped.last();
+     * // => 3
+     *
+     * console.log(array);
+     * // => [1, 2, 3]
+     */
+    function wrapperCommit() {
+      return new LodashWrapper(this.value(), this.__chain__);
+    }
+
+    /**
+     * Gets the next value on a wrapped object following the
+     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
+     *
+     * @name next
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the next iterator value.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 1 }
+     *
+     * wrapped.next();
+     * // => { 'done': false, 'value': 2 }
+     *
+     * wrapped.next();
+     * // => { 'done': true, 'value': undefined }
+     */
+    function wrapperNext() {
+      if (this.__values__ === undefined) {
+        this.__values__ = toArray(this.value());
+      }
+      var done = this.__index__ >= this.__values__.length,
+          value = done ? undefined : this.__values__[this.__index__++];
+
+      return { 'done': done, 'value': value };
+    }
+
+    /**
+     * Enables the wrapper to be iterable.
+     *
+     * @name Symbol.iterator
+     * @memberOf _
+     * @since 4.0.0
+     * @category Seq
+     * @returns {Object} Returns the wrapper object.
+     * @example
+     *
+     * var wrapped = _([1, 2]);
+     *
+     * wrapped[Symbol.iterator]() === wrapped;
+     * // => true
+     *
+     * Array.from(wrapped);
+     * // => [1, 2]
+     */
+    function wrapperToIterator() {
+      return this;
+    }
+
+    /**
+     * Creates a clone of the chain sequence planting `value` as the wrapped value.
+     *
+     * @name plant
+     * @memberOf _
+     * @since 3.2.0
+     * @category Seq
+     * @param {*} value The value to plant.
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var wrapped = _([1, 2]).map(square);
+     * var other = wrapped.plant([3, 4]);
+     *
+     * other.value();
+     * // => [9, 16]
+     *
+     * wrapped.value();
+     * // => [1, 4]
+     */
+    function wrapperPlant(value) {
+      var result,
+          parent = this;
+
+      while (parent instanceof baseLodash) {
+        var clone = wrapperClone(parent);
+        clone.__index__ = 0;
+        clone.__values__ = undefined;
+        if (result) {
+          previous.__wrapped__ = clone;
+        } else {
+          result = clone;
+        }
+        var previous = clone;
+        parent = parent.__wrapped__;
+      }
+      previous.__wrapped__ = value;
+      return result;
+    }
+
+    /**
+     * This method is the wrapper version of `_.reverse`.
+     *
+     * **Note:** This method mutates the wrapped array.
+     *
+     * @name reverse
+     * @memberOf _
+     * @since 0.1.0
+     * @category Seq
+     * @returns {Object} Returns the new `lodash` wrapper instance.
+     * @example
+     *
+     * var array = [1, 2, 3];
+     *
+     * _(array).reverse().value()
+     * // => [3, 2, 1]
+     *
+     * console.log(array);
+     * // => [3, 2, 1]
+     */
+    function wrapperReverse() {
+      var value = this.__wrapped__;
+      if (value instanceof LazyWrapper) {
+        var wrapped = value;
+        if (this.__actions__.length) {
+          wrapped = new LazyWrapper(this);
+        }
+        wrapped = wrapped.reverse();
+        wrapped.__actions__.push({
+          'func': thru,
+          'args': [reverse],
+          'thisArg': undefined
+        });
+        return new LodashWrapper(wrapped, this.__chain__);
+      }
+      return this.thru(reverse);
+    }
+
+    /**
+     * Executes the chain sequence to resolve the unwrapped value.
+     *
+     * @name value
+     * @memberOf _
+     * @since 0.1.0
+     * @alias toJSON, valueOf
+     * @category Seq
+     * @returns {*} Returns the resolved unwrapped value.
+     * @example
+     *
+     * _([1, 2, 3]).value();
+     * // => [1, 2, 3]
+     */
+    function wrapperValue() {
+      return baseWrapperValue(this.__wrapped__, this.__actions__);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the number of times the key was returned by `iteratee`. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.countBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': 1, '6': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.countBy(['one', 'two', 'three'], 'length');
+     * // => { '3': 2, '5': 1 }
+     */
+    var countBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        ++result[key];
+      } else {
+        baseAssignValue(result, key, 1);
+      }
+    });
+
+    /**
+     * Checks if `predicate` returns truthy for **all** elements of `collection`.
+     * Iteration is stopped once `predicate` returns falsey. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * **Note:** This method returns `true` for
+     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+     * elements of empty collections.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.every([true, 1, null, 'yes'], Boolean);
+     * // => false
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.every(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.every(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.every(users, 'active');
+     * // => false
+     */
+    function every(collection, predicate, guard) {
+      var func = isArray(collection) ? arrayEvery : baseEvery;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning an array of all elements
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * **Note:** Unlike `_.remove`, this method returns a new array.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.reject
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * _.filter(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, { 'age': 36, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.filter(users, 'active');
+     * // => objects for ['barney']
+     */
+    function filter(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Iterates over elements of `collection`, returning the first element
+     * `predicate` returns truthy for. The predicate is invoked with three
+     * arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': true },
+     *   { 'user': 'fred',    'age': 40, 'active': false },
+     *   { 'user': 'pebbles', 'age': 1,  'active': true }
+     * ];
+     *
+     * _.find(users, function(o) { return o.age < 40; });
+     * // => object for 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.find(users, { 'age': 1, 'active': true });
+     * // => object for 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.find(users, ['active', false]);
+     * // => object for 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.find(users, 'active');
+     * // => object for 'barney'
+     */
+    var find = createFind(findIndex);
+
+    /**
+     * This method is like `_.find` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param {number} [fromIndex=collection.length-1] The index to search from.
+     * @returns {*} Returns the matched element, else `undefined`.
+     * @example
+     *
+     * _.findLast([1, 2, 3, 4], function(n) {
+     *   return n % 2 == 1;
+     * });
+     * // => 3
+     */
+    var findLast = createFind(findLastIndex);
+
+    /**
+     * Creates a flattened array of values by running each element in `collection`
+     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
+     * with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [n, n];
+     * }
+     *
+     * _.flatMap([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMap(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), 1);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDeep([1, 2], duplicate);
+     * // => [1, 1, 2, 2]
+     */
+    function flatMapDeep(collection, iteratee) {
+      return baseFlatten(map(collection, iteratee), INFINITY);
+    }
+
+    /**
+     * This method is like `_.flatMap` except that it recursively flattens the
+     * mapped results up to `depth` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {number} [depth=1] The maximum recursion depth.
+     * @returns {Array} Returns the new flattened array.
+     * @example
+     *
+     * function duplicate(n) {
+     *   return [[[n, n]]];
+     * }
+     *
+     * _.flatMapDepth([1, 2], duplicate, 2);
+     * // => [[1, 1], [2, 2]]
+     */
+    function flatMapDepth(collection, iteratee, depth) {
+      depth = depth === undefined ? 1 : toInteger(depth);
+      return baseFlatten(map(collection, iteratee), depth);
+    }
+
+    /**
+     * Iterates over elements of `collection` and invokes `iteratee` for each element.
+     * The iteratee is invoked with three arguments: (value, index|key, collection).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * **Note:** As with other "Collections" methods, objects with a "length"
+     * property are iterated like arrays. To avoid this behavior use `_.forIn`
+     * or `_.forOwn` for object iteration.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @alias each
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEachRight
+     * @example
+     *
+     * _.forEach([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `1` then `2`.
+     *
+     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forEach(collection, iteratee) {
+      var func = isArray(collection) ? arrayEach : baseEach;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forEach` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @alias eachRight
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array|Object} Returns `collection`.
+     * @see _.forEach
+     * @example
+     *
+     * _.forEachRight([1, 2], function(value) {
+     *   console.log(value);
+     * });
+     * // => Logs `2` then `1`.
+     */
+    function forEachRight(collection, iteratee) {
+      var func = isArray(collection) ? arrayEachRight : baseEachRight;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The order of grouped values
+     * is determined by the order they occur in `collection`. The corresponding
+     * value of each key is an array of elements responsible for generating the
+     * key. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
+     * // => { '4': [4.2], '6': [6.1, 6.3] }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.groupBy(['one', 'two', 'three'], 'length');
+     * // => { '3': ['one', 'two'], '5': ['three'] }
+     */
+    var groupBy = createAggregator(function(result, value, key) {
+      if (hasOwnProperty.call(result, key)) {
+        result[key].push(value);
+      } else {
+        baseAssignValue(result, key, [value]);
+      }
+    });
+
+    /**
+     * Checks if `value` is in `collection`. If `collection` is a string, it's
+     * checked for a substring of `value`, otherwise
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * is used for equality comparisons. If `fromIndex` is negative, it's used as
+     * the offset from the end of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @param {*} value The value to search for.
+     * @param {number} [fromIndex=0] The index to search from.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {boolean} Returns `true` if `value` is found, else `false`.
+     * @example
+     *
+     * _.includes([1, 2, 3], 1);
+     * // => true
+     *
+     * _.includes([1, 2, 3], 1, 2);
+     * // => false
+     *
+     * _.includes({ 'a': 1, 'b': 2 }, 1);
+     * // => true
+     *
+     * _.includes('abcd', 'bc');
+     * // => true
+     */
+    function includes(collection, value, fromIndex, guard) {
+      collection = isArrayLike(collection) ? collection : values(collection);
+      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+
+      var length = collection.length;
+      if (fromIndex < 0) {
+        fromIndex = nativeMax(length + fromIndex, 0);
+      }
+      return isString(collection)
+        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
+        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
+    }
+
+    /**
+     * Invokes the method at `path` of each element in `collection`, returning
+     * an array of the results of each invoked method. Any additional arguments
+     * are provided to each invoked method. If `path` is a function, it's invoked
+     * for, and `this` bound to, each element in `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array|Function|string} path The path of the method to invoke or
+     *  the function invoked per iteration.
+     * @param {...*} [args] The arguments to invoke each method with.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
+     * // => [[1, 5, 7], [1, 2, 3]]
+     *
+     * _.invokeMap([123, 456], String.prototype.split, '');
+     * // => [['1', '2', '3'], ['4', '5', '6']]
+     */
+    var invokeMap = baseRest(function(collection, path, args) {
+      var index = -1,
+          isFunc = typeof path == 'function',
+          result = isArrayLike(collection) ? Array(collection.length) : [];
+
+      baseEach(collection, function(value) {
+        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+      });
+      return result;
+    });
+
+    /**
+     * Creates an object composed of keys generated from the results of running
+     * each element of `collection` thru `iteratee`. The corresponding value of
+     * each key is the last element responsible for generating the key. The
+     * iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+     * @returns {Object} Returns the composed aggregate object.
+     * @example
+     *
+     * var array = [
+     *   { 'dir': 'left', 'code': 97 },
+     *   { 'dir': 'right', 'code': 100 }
+     * ];
+     *
+     * _.keyBy(array, function(o) {
+     *   return String.fromCharCode(o.code);
+     * });
+     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+     *
+     * _.keyBy(array, 'dir');
+     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+     */
+    var keyBy = createAggregator(function(result, value, key) {
+      baseAssignValue(result, key, value);
+    });
+
+    /**
+     * Creates an array of values by running each element in `collection` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+     *
+     * The guarded methods are:
+     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new mapped array.
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * _.map([4, 8], square);
+     * // => [16, 64]
+     *
+     * _.map({ 'a': 4, 'b': 8 }, square);
+     * // => [16, 64] (iteration order is not guaranteed)
+     *
+     * var users = [
+     *   { 'user': 'barney' },
+     *   { 'user': 'fred' }
+     * ];
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, 'user');
+     * // => ['barney', 'fred']
+     */
+    function map(collection, iteratee) {
+      var func = isArray(collection) ? arrayMap : baseMap;
+      return func(collection, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.sortBy` except that it allows specifying the sort
+     * orders of the iteratees to sort by. If `orders` is unspecified, all values
+     * are sorted in ascending order. Otherwise, specify an order of "desc" for
+     * descending or "asc" for ascending sort order of corresponding values.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @param {string[]} [orders] The sort orders of `iteratees`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 34 },
+     *   { 'user': 'fred',   'age': 40 },
+     *   { 'user': 'barney', 'age': 36 }
+     * ];
+     *
+     * // Sort by `user` in ascending order and by `age` in descending order.
+     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+     */
+    function orderBy(collection, iteratees, orders, guard) {
+      if (collection == null) {
+        return [];
+      }
+      if (!isArray(iteratees)) {
+        iteratees = iteratees == null ? [] : [iteratees];
+      }
+      orders = guard ? undefined : orders;
+      if (!isArray(orders)) {
+        orders = orders == null ? [] : [orders];
+      }
+      return baseOrderBy(collection, iteratees, orders);
+    }
+
+    /**
+     * Creates an array of elements split into two groups, the first of which
+     * contains elements `predicate` returns truthy for, the second of which
+     * contains elements `predicate` returns falsey for. The predicate is
+     * invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of grouped elements.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney',  'age': 36, 'active': false },
+     *   { 'user': 'fred',    'age': 40, 'active': true },
+     *   { 'user': 'pebbles', 'age': 1,  'active': false }
+     * ];
+     *
+     * _.partition(users, function(o) { return o.active; });
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.partition(users, { 'age': 1, 'active': false });
+     * // => objects for [['pebbles'], ['barney', 'fred']]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.partition(users, ['active', false]);
+     * // => objects for [['barney', 'pebbles'], ['fred']]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.partition(users, 'active');
+     * // => objects for [['fred'], ['barney', 'pebbles']]
+     */
+    var partition = createAggregator(function(result, value, key) {
+      result[key ? 0 : 1].push(value);
+    }, function() { return [[], []]; });
+
+    /**
+     * Reduces `collection` to a value which is the accumulated result of running
+     * each element in `collection` thru `iteratee`, where each successive
+     * invocation is supplied the return value of the previous. If `accumulator`
+     * is not given, the first element of `collection` is used as the initial
+     * value. The iteratee is invoked with four arguments:
+     * (accumulator, value, index|key, collection).
+     *
+     * Many lodash methods are guarded to work as iteratees for methods like
+     * `_.reduce`, `_.reduceRight`, and `_.transform`.
+     *
+     * The guarded methods are:
+     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+     * and `sortBy`
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduceRight
+     * @example
+     *
+     * _.reduce([1, 2], function(sum, n) {
+     *   return sum + n;
+     * }, 0);
+     * // => 3
+     *
+     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     *   return result;
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+     */
+    function reduce(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduce : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
+    }
+
+    /**
+     * This method is like `_.reduce` except that it iterates over elements of
+     * `collection` from right to left.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The initial value.
+     * @returns {*} Returns the accumulated value.
+     * @see _.reduce
+     * @example
+     *
+     * var array = [[0, 1], [2, 3], [4, 5]];
+     *
+     * _.reduceRight(array, function(flattened, other) {
+     *   return flattened.concat(other);
+     * }, []);
+     * // => [4, 5, 2, 3, 0, 1]
+     */
+    function reduceRight(collection, iteratee, accumulator) {
+      var func = isArray(collection) ? arrayReduceRight : baseReduce,
+          initAccum = arguments.length < 3;
+
+      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
+    }
+
+    /**
+     * The opposite of `_.filter`; this method returns the elements of `collection`
+     * that `predicate` does **not** return truthy for.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the new filtered array.
+     * @see _.filter
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': false },
+     *   { 'user': 'fred',   'age': 40, 'active': true }
+     * ];
+     *
+     * _.reject(users, function(o) { return !o.active; });
+     * // => objects for ['fred']
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.reject(users, { 'age': 40, 'active': true });
+     * // => objects for ['barney']
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.reject(users, ['active', false]);
+     * // => objects for ['fred']
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.reject(users, 'active');
+     * // => objects for ['barney']
+     */
+    function reject(collection, predicate) {
+      var func = isArray(collection) ? arrayFilter : baseFilter;
+      return func(collection, negate(getIteratee(predicate, 3)));
+    }
+
+    /**
+     * Gets a random element from `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @returns {*} Returns the random element.
+     * @example
+     *
+     * _.sample([1, 2, 3, 4]);
+     * // => 2
+     */
+    function sample(collection) {
+      var func = isArray(collection) ? arraySample : baseSample;
+      return func(collection);
+    }
+
+    /**
+     * Gets `n` random elements at unique keys from `collection` up to the
+     * size of `collection`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to sample.
+     * @param {number} [n=1] The number of elements to sample.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the random elements.
+     * @example
+     *
+     * _.sampleSize([1, 2, 3], 2);
+     * // => [3, 1]
+     *
+     * _.sampleSize([1, 2, 3], 4);
+     * // => [2, 3, 1]
+     */
+    function sampleSize(collection, n, guard) {
+      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
+      return func(collection, n);
+    }
+
+    /**
+     * Creates an array of shuffled values, using a version of the
+     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to shuffle.
+     * @returns {Array} Returns the new shuffled array.
+     * @example
+     *
+     * _.shuffle([1, 2, 3, 4]);
+     * // => [4, 1, 3, 2]
+     */
+    function shuffle(collection) {
+      var func = isArray(collection) ? arrayShuffle : baseShuffle;
+      return func(collection);
+    }
+
+    /**
+     * Gets the size of `collection` by returning its length for array-like
+     * values or the number of own enumerable string keyed properties for objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object|string} collection The collection to inspect.
+     * @returns {number} Returns the collection size.
+     * @example
+     *
+     * _.size([1, 2, 3]);
+     * // => 3
+     *
+     * _.size({ 'a': 1, 'b': 2 });
+     * // => 2
+     *
+     * _.size('pebbles');
+     * // => 7
+     */
+    function size(collection) {
+      if (collection == null) {
+        return 0;
+      }
+      if (isArrayLike(collection)) {
+        return isString(collection) ? stringSize(collection) : collection.length;
+      }
+      var tag = getTag(collection);
+      if (tag == mapTag || tag == setTag) {
+        return collection.size;
+      }
+      return baseKeys(collection).length;
+    }
+
+    /**
+     * Checks if `predicate` returns truthy for **any** element of `collection`.
+     * Iteration is stopped once `predicate` returns truthy. The predicate is
+     * invoked with three arguments: (value, index|key, collection).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {boolean} Returns `true` if any element passes the predicate check,
+     *  else `false`.
+     * @example
+     *
+     * _.some([null, 0, 'yes', false], Boolean);
+     * // => true
+     *
+     * var users = [
+     *   { 'user': 'barney', 'active': true },
+     *   { 'user': 'fred',   'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.some(users, { 'user': 'barney', 'active': false });
+     * // => false
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.some(users, ['active', false]);
+     * // => true
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.some(users, 'active');
+     * // => true
+     */
+    function some(collection, predicate, guard) {
+      var func = isArray(collection) ? arraySome : baseSome;
+      if (guard && isIterateeCall(collection, predicate, guard)) {
+        predicate = undefined;
+      }
+      return func(collection, getIteratee(predicate, 3));
+    }
+
+    /**
+     * Creates an array of elements, sorted in ascending order by the results of
+     * running each element in a collection thru each iteratee. This method
+     * performs a stable sort, that is, it preserves the original sort order of
+     * equal elements. The iteratees are invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Collection
+     * @param {Array|Object} collection The collection to iterate over.
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to sort by.
+     * @returns {Array} Returns the new sorted array.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'fred',   'age': 48 },
+     *   { 'user': 'barney', 'age': 36 },
+     *   { 'user': 'fred',   'age': 40 },
+     *   { 'user': 'barney', 'age': 34 }
+     * ];
+     *
+     * _.sortBy(users, [function(o) { return o.user; }]);
+     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+     *
+     * _.sortBy(users, ['user', 'age']);
+     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
+     */
+    var sortBy = baseRest(function(collection, iteratees) {
+      if (collection == null) {
+        return [];
+      }
+      var length = iteratees.length;
+      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+        iteratees = [];
+      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+        iteratees = [iteratees[0]];
+      }
+      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+    });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Gets the timestamp of the number of milliseconds that have elapsed since
+     * the Unix epoch (1 January 1970 00:00:00 UTC).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Date
+     * @returns {number} Returns the timestamp.
+     * @example
+     *
+     * _.defer(function(stamp) {
+     *   console.log(_.now() - stamp);
+     * }, _.now());
+     * // => Logs the number of milliseconds it took for the deferred invocation.
+     */
+    var now = ctxNow || function() {
+      return root.Date.now();
+    };
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The opposite of `_.before`; this method creates a function that invokes
+     * `func` once it's called `n` or more times.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {number} n The number of calls before `func` is invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var saves = ['profile', 'settings'];
+     *
+     * var done = _.after(saves.length, function() {
+     *   console.log('done saving!');
+     * });
+     *
+     * _.forEach(saves, function(type) {
+     *   asyncSave({ 'type': type, 'complete': done });
+     * });
+     * // => Logs 'done saving!' after the two async saves have completed.
+     */
+    function after(n, func) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n < 1) {
+          return func.apply(this, arguments);
+        }
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func`, with up to `n` arguments,
+     * ignoring any additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @param {number} [n=func.length] The arity cap.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+     * // => [6, 8, 10]
+     */
+    function ary(func, n, guard) {
+      n = guard ? undefined : n;
+      n = (func && n == null) ? func.length : n;
+      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
+    }
+
+    /**
+     * Creates a function that invokes `func`, with the `this` binding and arguments
+     * of the created function, while it's called less than `n` times. Subsequent
+     * calls to the created function return the result of the last `func` invocation.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {number} n The number of calls at which `func` is no longer invoked.
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * jQuery(element).on('click', _.before(5, addContactToList));
+     * // => Allows adding up to 4 contacts to the list.
+     */
+    function before(n, func) {
+      var result;
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      n = toInteger(n);
+      return function() {
+        if (--n > 0) {
+          result = func.apply(this, arguments);
+        }
+        if (n <= 1) {
+          func = undefined;
+        }
+        return result;
+      };
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+     * and `partials` prepended to the arguments it receives.
+     *
+     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+     * property of bound functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to bind.
+     * @param {*} thisArg The `this` binding of `func`.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * function greet(greeting, punctuation) {
+     *   return greeting + ' ' + this.user + punctuation;
+     * }
+     *
+     * var object = { 'user': 'fred' };
+     *
+     * var bound = _.bind(greet, object, 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bind(greet, object, _, '!');
+     * bound('hi');
+     * // => 'hi fred!'
+     */
+    var bind = baseRest(function(func, thisArg, partials) {
+      var bitmask = WRAP_BIND_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bind));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(func, bitmask, thisArg, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes the method at `object[key]` with `partials`
+     * prepended to the arguments it receives.
+     *
+     * This method differs from `_.bind` by allowing bound functions to reference
+     * methods that may be redefined or don't yet exist. See
+     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+     * for more details.
+     *
+     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Function
+     * @param {Object} object The object to invoke the method on.
+     * @param {string} key The key of the method.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new bound function.
+     * @example
+     *
+     * var object = {
+     *   'user': 'fred',
+     *   'greet': function(greeting, punctuation) {
+     *     return greeting + ' ' + this.user + punctuation;
+     *   }
+     * };
+     *
+     * var bound = _.bindKey(object, 'greet', 'hi');
+     * bound('!');
+     * // => 'hi fred!'
+     *
+     * object.greet = function(greeting, punctuation) {
+     *   return greeting + 'ya ' + this.user + punctuation;
+     * };
+     *
+     * bound('!');
+     * // => 'hiya fred!'
+     *
+     * // Bound with placeholders.
+     * var bound = _.bindKey(object, 'greet', _, '!');
+     * bound('hi');
+     * // => 'hiya fred!'
+     */
+    var bindKey = baseRest(function(object, key, partials) {
+      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+      if (partials.length) {
+        var holders = replaceHolders(partials, getHolder(bindKey));
+        bitmask |= WRAP_PARTIAL_FLAG;
+      }
+      return createWrap(key, bitmask, object, partials, holders);
+    });
+
+    /**
+     * Creates a function that accepts arguments of `func` and either invokes
+     * `func` returning its result, if at least `arity` number of arguments have
+     * been provided, or returns a function that accepts the remaining `func`
+     * arguments, and so on. The arity of `func` may be specified if `func.length`
+     * is not sufficient.
+     *
+     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+     * may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curry(abc);
+     *
+     * curried(1)(2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2)(3);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(1)(_, 3)(2);
+     * // => [1, 2, 3]
+     */
+    function curry(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curry.placeholder;
+      return result;
+    }
+
+    /**
+     * This method is like `_.curry` except that arguments are applied to `func`
+     * in the manner of `_.partialRight` instead of `_.partial`.
+     *
+     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for provided arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of curried functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to curry.
+     * @param {number} [arity=func.length] The arity of `func`.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the new curried function.
+     * @example
+     *
+     * var abc = function(a, b, c) {
+     *   return [a, b, c];
+     * };
+     *
+     * var curried = _.curryRight(abc);
+     *
+     * curried(3)(2)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(2, 3)(1);
+     * // => [1, 2, 3]
+     *
+     * curried(1, 2, 3);
+     * // => [1, 2, 3]
+     *
+     * // Curried with placeholders.
+     * curried(3)(1, _)(2);
+     * // => [1, 2, 3]
+     */
+    function curryRight(func, arity, guard) {
+      arity = guard ? undefined : arity;
+      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      result.placeholder = curryRight.placeholder;
+      return result;
+    }
+
+    /**
+     * Creates a debounced function that delays invoking `func` until after `wait`
+     * milliseconds have elapsed since the last time the debounced function was
+     * invoked. The debounced function comes with a `cancel` method to cancel
+     * delayed `func` invocations and a `flush` method to immediately invoke them.
+     * Provide `options` to indicate whether `func` should be invoked on the
+     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
+     * with the last arguments provided to the debounced function. Subsequent
+     * calls to the debounced function return the result of the last `func`
+     * invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the debounced function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.debounce` and `_.throttle`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to debounce.
+     * @param {number} [wait=0] The number of milliseconds to delay.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=false]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {number} [options.maxWait]
+     *  The maximum time `func` is allowed to be delayed before it's invoked.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new debounced function.
+     * @example
+     *
+     * // Avoid costly calculations while the window size is in flux.
+     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+     *
+     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
+     * jQuery(element).on('click', _.debounce(sendMail, 300, {
+     *   'leading': true,
+     *   'trailing': false
+     * }));
+     *
+     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
+     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
+     * var source = new EventSource('/stream');
+     * jQuery(source).on('message', debounced);
+     *
+     * // Cancel the trailing debounced invocation.
+     * jQuery(window).on('popstate', debounced.cancel);
+     */
+    function debounce(func, wait, options) {
+      var lastArgs,
+          lastThis,
+          maxWait,
+          result,
+          timerId,
+          lastCallTime,
+          lastInvokeTime = 0,
+          leading = false,
+          maxing = false,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      wait = toNumber(wait) || 0;
+      if (isObject(options)) {
+        leading = !!options.leading;
+        maxing = 'maxWait' in options;
+        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+
+      function invokeFunc(time) {
+        var args = lastArgs,
+            thisArg = lastThis;
+
+        lastArgs = lastThis = undefined;
+        lastInvokeTime = time;
+        result = func.apply(thisArg, args);
+        return result;
+      }
+
+      function leadingEdge(time) {
+        // Reset any `maxWait` timer.
+        lastInvokeTime = time;
+        // Start the timer for the trailing edge.
+        timerId = setTimeout(timerExpired, wait);
+        // Invoke the leading edge.
+        return leading ? invokeFunc(time) : result;
+      }
+
+      function remainingWait(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime,
+            timeWaiting = wait - timeSinceLastCall;
+
+        return maxing
+          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
+          : timeWaiting;
+      }
+
+      function shouldInvoke(time) {
+        var timeSinceLastCall = time - lastCallTime,
+            timeSinceLastInvoke = time - lastInvokeTime;
+
+        // Either this is the first call, activity has stopped and we're at the
+        // trailing edge, the system time has gone backwards and we're treating
+        // it as the trailing edge, or we've hit the `maxWait` limit.
+        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
+          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
+      }
+
+      function timerExpired() {
+        var time = now();
+        if (shouldInvoke(time)) {
+          return trailingEdge(time);
+        }
+        // Restart the timer.
+        timerId = setTimeout(timerExpired, remainingWait(time));
+      }
+
+      function trailingEdge(time) {
+        timerId = undefined;
+
+        // Only invoke if we have `lastArgs` which means `func` has been
+        // debounced at least once.
+        if (trailing && lastArgs) {
+          return invokeFunc(time);
+        }
+        lastArgs = lastThis = undefined;
+        return result;
+      }
+
+      function cancel() {
+        if (timerId !== undefined) {
+          clearTimeout(timerId);
+        }
+        lastInvokeTime = 0;
+        lastArgs = lastCallTime = lastThis = timerId = undefined;
+      }
+
+      function flush() {
+        return timerId === undefined ? result : trailingEdge(now());
+      }
+
+      function debounced() {
+        var time = now(),
+            isInvoking = shouldInvoke(time);
+
+        lastArgs = arguments;
+        lastThis = this;
+        lastCallTime = time;
+
+        if (isInvoking) {
+          if (timerId === undefined) {
+            return leadingEdge(lastCallTime);
+          }
+          if (maxing) {
+            // Handle invocations in a tight loop.
+            clearTimeout(timerId);
+            timerId = setTimeout(timerExpired, wait);
+            return invokeFunc(lastCallTime);
+          }
+        }
+        if (timerId === undefined) {
+          timerId = setTimeout(timerExpired, wait);
+        }
+        return result;
+      }
+      debounced.cancel = cancel;
+      debounced.flush = flush;
+      return debounced;
+    }
+
+    /**
+     * Defers invoking the `func` until the current call stack has cleared. Any
+     * additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to defer.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.defer(function(text) {
+     *   console.log(text);
+     * }, 'deferred');
+     * // => Logs 'deferred' after one millisecond.
+     */
+    var defer = baseRest(function(func, args) {
+      return baseDelay(func, 1, args);
+    });
+
+    /**
+     * Invokes `func` after `wait` milliseconds. Any additional arguments are
+     * provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to delay.
+     * @param {number} wait The number of milliseconds to delay invocation.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {number} Returns the timer id.
+     * @example
+     *
+     * _.delay(function(text) {
+     *   console.log(text);
+     * }, 1000, 'later');
+     * // => Logs 'later' after one second.
+     */
+    var delay = baseRest(function(func, wait, args) {
+      return baseDelay(func, toNumber(wait) || 0, args);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments reversed.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to flip arguments for.
+     * @returns {Function} Returns the new flipped function.
+     * @example
+     *
+     * var flipped = _.flip(function() {
+     *   return _.toArray(arguments);
+     * });
+     *
+     * flipped('a', 'b', 'c', 'd');
+     * // => ['d', 'c', 'b', 'a']
+     */
+    function flip(func) {
+      return createWrap(func, WRAP_FLIP_FLAG);
+    }
+
+    /**
+     * Creates a function that memoizes the result of `func`. If `resolver` is
+     * provided, it determines the cache key for storing the result based on the
+     * arguments provided to the memoized function. By default, the first argument
+     * provided to the memoized function is used as the map cache key. The `func`
+     * is invoked with the `this` binding of the memoized function.
+     *
+     * **Note:** The cache is exposed as the `cache` property on the memoized
+     * function. Its creation may be customized by replacing the `_.memoize.Cache`
+     * constructor with one whose instances implement the
+     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to have its output memoized.
+     * @param {Function} [resolver] The function to resolve the cache key.
+     * @returns {Function} Returns the new memoized function.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     * var other = { 'c': 3, 'd': 4 };
+     *
+     * var values = _.memoize(_.values);
+     * values(object);
+     * // => [1, 2]
+     *
+     * values(other);
+     * // => [3, 4]
+     *
+     * object.a = 2;
+     * values(object);
+     * // => [1, 2]
+     *
+     * // Modify the result cache.
+     * values.cache.set(object, ['a', 'b']);
+     * values(object);
+     * // => ['a', 'b']
+     *
+     * // Replace `_.memoize.Cache`.
+     * _.memoize.Cache = WeakMap;
+     */
+    function memoize(func, resolver) {
+      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      var memoized = function() {
+        var args = arguments,
+            key = resolver ? resolver.apply(this, args) : args[0],
+            cache = memoized.cache;
+
+        if (cache.has(key)) {
+          return cache.get(key);
+        }
+        var result = func.apply(this, args);
+        memoized.cache = cache.set(key, result) || cache;
+        return result;
+      };
+      memoized.cache = new (memoize.Cache || MapCache);
+      return memoized;
+    }
+
+    // Expose `MapCache`.
+    memoize.Cache = MapCache;
+
+    /**
+     * Creates a function that negates the result of the predicate `func`. The
+     * `func` predicate is invoked with the `this` binding and arguments of the
+     * created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} predicate The predicate to negate.
+     * @returns {Function} Returns the new negated function.
+     * @example
+     *
+     * function isEven(n) {
+     *   return n % 2 == 0;
+     * }
+     *
+     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+     * // => [1, 3, 5]
+     */
+    function negate(predicate) {
+      if (typeof predicate != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      return function() {
+        var args = arguments;
+        switch (args.length) {
+          case 0: return !predicate.call(this);
+          case 1: return !predicate.call(this, args[0]);
+          case 2: return !predicate.call(this, args[0], args[1]);
+          case 3: return !predicate.call(this, args[0], args[1], args[2]);
+        }
+        return !predicate.apply(this, args);
+      };
+    }
+
+    /**
+     * Creates a function that is restricted to invoking `func` once. Repeat calls
+     * to the function return the value of the first invocation. The `func` is
+     * invoked with the `this` binding and arguments of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to restrict.
+     * @returns {Function} Returns the new restricted function.
+     * @example
+     *
+     * var initialize = _.once(createApplication);
+     * initialize();
+     * initialize();
+     * // => `createApplication` is invoked once
+     */
+    function once(func) {
+      return before(2, func);
+    }
+
+    /**
+     * Creates a function that invokes `func` with its arguments transformed.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Function
+     * @param {Function} func The function to wrap.
+     * @param {...(Function|Function[])} [transforms=[_.identity]]
+     *  The argument transforms.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * function doubled(n) {
+     *   return n * 2;
+     * }
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var func = _.overArgs(function(x, y) {
+     *   return [x, y];
+     * }, [square, doubled]);
+     *
+     * func(9, 3);
+     * // => [81, 6]
+     *
+     * func(10, 5);
+     * // => [100, 10]
+     */
+    var overArgs = castRest(function(func, transforms) {
+      transforms = (transforms.length == 1 && isArray(transforms[0]))
+        ? arrayMap(transforms[0], baseUnary(getIteratee()))
+        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
+
+      var funcsLength = transforms.length;
+      return baseRest(function(args) {
+        var index = -1,
+            length = nativeMin(args.length, funcsLength);
+
+        while (++index < length) {
+          args[index] = transforms[index].call(this, args[index]);
+        }
+        return apply(func, this, args);
+      });
+    });
+
+    /**
+     * Creates a function that invokes `func` with `partials` prepended to the
+     * arguments it receives. This method is like `_.bind` except it does **not**
+     * alter the `this` binding.
+     *
+     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.2.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var sayHelloTo = _.partial(greet, 'hello');
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     *
+     * // Partially applied with placeholders.
+     * var greetFred = _.partial(greet, _, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     */
+    var partial = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partial));
+      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * This method is like `_.partial` except that partially applied arguments
+     * are appended to the arguments it receives.
+     *
+     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+     * builds, may be used as a placeholder for partially applied arguments.
+     *
+     * **Note:** This method doesn't set the "length" property of partially
+     * applied functions.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Function
+     * @param {Function} func The function to partially apply arguments to.
+     * @param {...*} [partials] The arguments to be partially applied.
+     * @returns {Function} Returns the new partially applied function.
+     * @example
+     *
+     * function greet(greeting, name) {
+     *   return greeting + ' ' + name;
+     * }
+     *
+     * var greetFred = _.partialRight(greet, 'fred');
+     * greetFred('hi');
+     * // => 'hi fred'
+     *
+     * // Partially applied with placeholders.
+     * var sayHelloTo = _.partialRight(greet, 'hello', _);
+     * sayHelloTo('fred');
+     * // => 'hello fred'
+     */
+    var partialRight = baseRest(function(func, partials) {
+      var holders = replaceHolders(partials, getHolder(partialRight));
+      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+    });
+
+    /**
+     * Creates a function that invokes `func` with arguments arranged according
+     * to the specified `indexes` where the argument value at the first index is
+     * provided as the first argument, the argument value at the second index is
+     * provided as the second argument, and so on.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Function
+     * @param {Function} func The function to rearrange arguments for.
+     * @param {...(number|number[])} indexes The arranged argument indexes.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var rearged = _.rearg(function(a, b, c) {
+     *   return [a, b, c];
+     * }, [2, 0, 1]);
+     *
+     * rearged('b', 'c', 'a')
+     * // => ['a', 'b', 'c']
+     */
+    var rearg = flatRest(function(func, indexes) {
+      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+    });
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * created function and arguments from `start` and beyond provided as
+     * an array.
+     *
+     * **Note:** This method is based on the
+     * [rest parameter](https://mdn.io/rest_parameters).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to apply a rest parameter to.
+     * @param {number} [start=func.length-1] The start position of the rest parameter.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.rest(function(what, names) {
+     *   return what + ' ' + _.initial(names).join(', ') +
+     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+     * });
+     *
+     * say('hello', 'fred', 'barney', 'pebbles');
+     * // => 'hello fred, barney, & pebbles'
+     */
+    function rest(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start === undefined ? start : toInteger(start);
+      return baseRest(func, start);
+    }
+
+    /**
+     * Creates a function that invokes `func` with the `this` binding of the
+     * create function and an array of arguments much like
+     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
+     *
+     * **Note:** This method is based on the
+     * [spread operator](https://mdn.io/spread_operator).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Function
+     * @param {Function} func The function to spread arguments over.
+     * @param {number} [start=0] The start position of the spread.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var say = _.spread(function(who, what) {
+     *   return who + ' says ' + what;
+     * });
+     *
+     * say(['fred', 'hello']);
+     * // => 'fred says hello'
+     *
+     * var numbers = Promise.all([
+     *   Promise.resolve(40),
+     *   Promise.resolve(36)
+     * ]);
+     *
+     * numbers.then(_.spread(function(x, y) {
+     *   return x + y;
+     * }));
+     * // => a Promise of 76
+     */
+    function spread(func, start) {
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      start = start == null ? 0 : nativeMax(toInteger(start), 0);
+      return baseRest(function(args) {
+        var array = args[start],
+            otherArgs = castSlice(args, 0, start);
+
+        if (array) {
+          arrayPush(otherArgs, array);
+        }
+        return apply(func, this, otherArgs);
+      });
+    }
+
+    /**
+     * Creates a throttled function that only invokes `func` at most once per
+     * every `wait` milliseconds. The throttled function comes with a `cancel`
+     * method to cancel delayed `func` invocations and a `flush` method to
+     * immediately invoke them. Provide `options` to indicate whether `func`
+     * should be invoked on the leading and/or trailing edge of the `wait`
+     * timeout. The `func` is invoked with the last arguments provided to the
+     * throttled function. Subsequent calls to the throttled function return the
+     * result of the last `func` invocation.
+     *
+     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+     * invoked on the trailing edge of the timeout only if the throttled function
+     * is invoked more than once during the `wait` timeout.
+     *
+     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+     *
+     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+     * for details over the differences between `_.throttle` and `_.debounce`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {Function} func The function to throttle.
+     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.leading=true]
+     *  Specify invoking on the leading edge of the timeout.
+     * @param {boolean} [options.trailing=true]
+     *  Specify invoking on the trailing edge of the timeout.
+     * @returns {Function} Returns the new throttled function.
+     * @example
+     *
+     * // Avoid excessively updating the position while scrolling.
+     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+     *
+     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
+     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
+     * jQuery(element).on('click', throttled);
+     *
+     * // Cancel the trailing throttled invocation.
+     * jQuery(window).on('popstate', throttled.cancel);
+     */
+    function throttle(func, wait, options) {
+      var leading = true,
+          trailing = true;
+
+      if (typeof func != 'function') {
+        throw new TypeError(FUNC_ERROR_TEXT);
+      }
+      if (isObject(options)) {
+        leading = 'leading' in options ? !!options.leading : leading;
+        trailing = 'trailing' in options ? !!options.trailing : trailing;
+      }
+      return debounce(func, wait, {
+        'leading': leading,
+        'maxWait': wait,
+        'trailing': trailing
+      });
+    }
+
+    /**
+     * Creates a function that accepts up to one argument, ignoring any
+     * additional arguments.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Function
+     * @param {Function} func The function to cap arguments for.
+     * @returns {Function} Returns the new capped function.
+     * @example
+     *
+     * _.map(['6', '8', '10'], _.unary(parseInt));
+     * // => [6, 8, 10]
+     */
+    function unary(func) {
+      return ary(func, 1);
+    }
+
+    /**
+     * Creates a function that provides `value` to `wrapper` as its first
+     * argument. Any additional arguments provided to the function are appended
+     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
+     * binding of the created function.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Function
+     * @param {*} value The value to wrap.
+     * @param {Function} [wrapper=identity] The wrapper function.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var p = _.wrap(_.escape, function(func, text) {
+     *   return '<p>' + func(text) + '</p>';
+     * });
+     *
+     * p('fred, barney, & pebbles');
+     * // => '<p>fred, barney, &amp; pebbles</p>'
+     */
+    function wrap(value, wrapper) {
+      return partial(castFunction(wrapper), value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Casts `value` as an array if it's not one.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.4.0
+     * @category Lang
+     * @param {*} value The value to inspect.
+     * @returns {Array} Returns the cast array.
+     * @example
+     *
+     * _.castArray(1);
+     * // => [1]
+     *
+     * _.castArray({ 'a': 1 });
+     * // => [{ 'a': 1 }]
+     *
+     * _.castArray('abc');
+     * // => ['abc']
+     *
+     * _.castArray(null);
+     * // => [null]
+     *
+     * _.castArray(undefined);
+     * // => [undefined]
+     *
+     * _.castArray();
+     * // => []
+     *
+     * var array = [1, 2, 3];
+     * console.log(_.castArray(array) === array);
+     * // => true
+     */
+    function castArray() {
+      if (!arguments.length) {
+        return [];
+      }
+      var value = arguments[0];
+      return isArray(value) ? value : [value];
+    }
+
+    /**
+     * Creates a shallow clone of `value`.
+     *
+     * **Note:** This method is loosely based on the
+     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+     * and supports cloning arrays, array buffers, booleans, date objects, maps,
+     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+     * arrays. The own enumerable properties of `arguments` objects are cloned
+     * as plain objects. An empty object is returned for uncloneable values such
+     * as error objects, functions, DOM nodes, and WeakMaps.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeep
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var shallow = _.clone(objects);
+     * console.log(shallow[0] === objects[0]);
+     * // => true
+     */
+    function clone(value) {
+      return baseClone(value, CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.clone` except that it accepts `customizer` which
+     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
+     * cloning is handled by the method instead. The `customizer` is invoked with
+     * up to four arguments; (value [, index|key, object, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the cloned value.
+     * @see _.cloneDeepWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(false);
+     *   }
+     * }
+     *
+     * var el = _.cloneWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 0
+     */
+    function cloneWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * This method is like `_.clone` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.clone
+     * @example
+     *
+     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+     *
+     * var deep = _.cloneDeep(objects);
+     * console.log(deep[0] === objects[0]);
+     * // => false
+     */
+    function cloneDeep(value) {
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+    }
+
+    /**
+     * This method is like `_.cloneWith` except that it recursively clones `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to recursively clone.
+     * @param {Function} [customizer] The function to customize cloning.
+     * @returns {*} Returns the deep cloned value.
+     * @see _.cloneWith
+     * @example
+     *
+     * function customizer(value) {
+     *   if (_.isElement(value)) {
+     *     return value.cloneNode(true);
+     *   }
+     * }
+     *
+     * var el = _.cloneDeepWith(document.body, customizer);
+     *
+     * console.log(el === document.body);
+     * // => false
+     * console.log(el.nodeName);
+     * // => 'BODY'
+     * console.log(el.childNodes.length);
+     * // => 20
+     */
+    function cloneDeepWith(value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+    }
+
+    /**
+     * Checks if `object` conforms to `source` by invoking the predicate
+     * properties of `source` with the corresponding property values of `object`.
+     *
+     * **Note:** This method is equivalent to `_.conforms` when `source` is
+     * partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
+     * // => true
+     *
+     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
+     * // => false
+     */
+    function conformsTo(object, source) {
+      return source == null || baseConformsTo(object, source, keys(source));
+    }
+
+    /**
+     * Performs a
+     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+     * comparison between two values to determine if they are equivalent.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.eq(object, object);
+     * // => true
+     *
+     * _.eq(object, other);
+     * // => false
+     *
+     * _.eq('a', 'a');
+     * // => true
+     *
+     * _.eq('a', Object('a'));
+     * // => false
+     *
+     * _.eq(NaN, NaN);
+     * // => true
+     */
+    function eq(value, other) {
+      return value === other || (value !== value && other !== other);
+    }
+
+    /**
+     * Checks if `value` is greater than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+     *  else `false`.
+     * @see _.lt
+     * @example
+     *
+     * _.gt(3, 1);
+     * // => true
+     *
+     * _.gt(3, 3);
+     * // => false
+     *
+     * _.gt(1, 3);
+     * // => false
+     */
+    var gt = createRelationalOperation(baseGt);
+
+    /**
+     * Checks if `value` is greater than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is greater than or equal to
+     *  `other`, else `false`.
+     * @see _.lte
+     * @example
+     *
+     * _.gte(3, 1);
+     * // => true
+     *
+     * _.gte(3, 3);
+     * // => true
+     *
+     * _.gte(1, 3);
+     * // => false
+     */
+    var gte = createRelationalOperation(function(value, other) {
+      return value >= other;
+    });
+
+    /**
+     * Checks if `value` is likely an `arguments` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArguments(function() { return arguments; }());
+     * // => true
+     *
+     * _.isArguments([1, 2, 3]);
+     * // => false
+     */
+    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+        !propertyIsEnumerable.call(value, 'callee');
+    };
+
+    /**
+     * Checks if `value` is classified as an `Array` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+     * @example
+     *
+     * _.isArray([1, 2, 3]);
+     * // => true
+     *
+     * _.isArray(document.body.children);
+     * // => false
+     *
+     * _.isArray('abc');
+     * // => false
+     *
+     * _.isArray(_.noop);
+     * // => false
+     */
+    var isArray = Array.isArray;
+
+    /**
+     * Checks if `value` is classified as an `ArrayBuffer` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+     * @example
+     *
+     * _.isArrayBuffer(new ArrayBuffer(2));
+     * // => true
+     *
+     * _.isArrayBuffer(new Array(2));
+     * // => false
+     */
+    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+
+    /**
+     * Checks if `value` is array-like. A value is considered array-like if it's
+     * not a function and has a `value.length` that's an integer greater than or
+     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+     * @example
+     *
+     * _.isArrayLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLike(document.body.children);
+     * // => true
+     *
+     * _.isArrayLike('abc');
+     * // => true
+     *
+     * _.isArrayLike(_.noop);
+     * // => false
+     */
+    function isArrayLike(value) {
+      return value != null && isLength(value.length) && !isFunction(value);
+    }
+
+    /**
+     * This method is like `_.isArrayLike` except that it also checks if `value`
+     * is an object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an array-like object,
+     *  else `false`.
+     * @example
+     *
+     * _.isArrayLikeObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isArrayLikeObject(document.body.children);
+     * // => true
+     *
+     * _.isArrayLikeObject('abc');
+     * // => false
+     *
+     * _.isArrayLikeObject(_.noop);
+     * // => false
+     */
+    function isArrayLikeObject(value) {
+      return isObjectLike(value) && isArrayLike(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a boolean primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+     * @example
+     *
+     * _.isBoolean(false);
+     * // => true
+     *
+     * _.isBoolean(null);
+     * // => false
+     */
+    function isBoolean(value) {
+      return value === true || value === false ||
+        (isObjectLike(value) && baseGetTag(value) == boolTag);
+    }
+
+    /**
+     * Checks if `value` is a buffer.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+     * @example
+     *
+     * _.isBuffer(new Buffer(2));
+     * // => true
+     *
+     * _.isBuffer(new Uint8Array(2));
+     * // => false
+     */
+    var isBuffer = nativeIsBuffer || stubFalse;
+
+    /**
+     * Checks if `value` is classified as a `Date` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+     * @example
+     *
+     * _.isDate(new Date);
+     * // => true
+     *
+     * _.isDate('Mon April 23 2012');
+     * // => false
+     */
+    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+
+    /**
+     * Checks if `value` is likely a DOM element.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+     * @example
+     *
+     * _.isElement(document.body);
+     * // => true
+     *
+     * _.isElement('<body>');
+     * // => false
+     */
+    function isElement(value) {
+      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
+    }
+
+    /**
+     * Checks if `value` is an empty object, collection, map, or set.
+     *
+     * Objects are considered empty if they have no own enumerable string keyed
+     * properties.
+     *
+     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+     * jQuery-like collections are considered empty if they have a `length` of `0`.
+     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+     * @example
+     *
+     * _.isEmpty(null);
+     * // => true
+     *
+     * _.isEmpty(true);
+     * // => true
+     *
+     * _.isEmpty(1);
+     * // => true
+     *
+     * _.isEmpty([1, 2, 3]);
+     * // => false
+     *
+     * _.isEmpty({ 'a': 1 });
+     * // => false
+     */
+    function isEmpty(value) {
+      if (value == null) {
+        return true;
+      }
+      if (isArrayLike(value) &&
+          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
+            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
+        return !value.length;
+      }
+      var tag = getTag(value);
+      if (tag == mapTag || tag == setTag) {
+        return !value.size;
+      }
+      if (isPrototype(value)) {
+        return !baseKeys(value).length;
+      }
+      for (var key in value) {
+        if (hasOwnProperty.call(value, key)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
+    /**
+     * Performs a deep comparison between two values to determine if they are
+     * equivalent.
+     *
+     * **Note:** This method supports comparing arrays, array buffers, booleans,
+     * date objects, error objects, maps, numbers, `Object` objects, regexes,
+     * sets, strings, symbols, and typed arrays. `Object` objects are compared
+     * by their own, not inherited, enumerable properties. Functions and DOM
+     * nodes are compared by strict equality, i.e. `===`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     * var other = { 'a': 1 };
+     *
+     * _.isEqual(object, other);
+     * // => true
+     *
+     * object === other;
+     * // => false
+     */
+    function isEqual(value, other) {
+      return baseIsEqual(value, other);
+    }
+
+    /**
+     * This method is like `_.isEqual` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with up to
+     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, othValue) {
+     *   if (isGreeting(objValue) && isGreeting(othValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var array = ['hello', 'goodbye'];
+     * var other = ['hi', 'goodbye'];
+     *
+     * _.isEqualWith(array, other, customizer);
+     * // => true
+     */
+    function isEqualWith(value, other, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      var result = customizer ? customizer(value, other) : undefined;
+      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+    }
+
+    /**
+     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+     * `SyntaxError`, `TypeError`, or `URIError` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+     * @example
+     *
+     * _.isError(new Error);
+     * // => true
+     *
+     * _.isError(Error);
+     * // => false
+     */
+    function isError(value) {
+      if (!isObjectLike(value)) {
+        return false;
+      }
+      var tag = baseGetTag(value);
+      return tag == errorTag || tag == domExcTag ||
+        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+    }
+
+    /**
+     * Checks if `value` is a finite primitive number.
+     *
+     * **Note:** This method is based on
+     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+     * @example
+     *
+     * _.isFinite(3);
+     * // => true
+     *
+     * _.isFinite(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isFinite(Infinity);
+     * // => false
+     *
+     * _.isFinite('3');
+     * // => false
+     */
+    function isFinite(value) {
+      return typeof value == 'number' && nativeIsFinite(value);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Function` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+     * @example
+     *
+     * _.isFunction(_);
+     * // => true
+     *
+     * _.isFunction(/abc/);
+     * // => false
+     */
+    function isFunction(value) {
+      if (!isObject(value)) {
+        return false;
+      }
+      // The use of `Object#toString` avoids issues with the `typeof` operator
+      // in Safari 9 which returns 'object' for typed arrays and other constructors.
+      var tag = baseGetTag(value);
+      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+    }
+
+    /**
+     * Checks if `value` is an integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
+     * @example
+     *
+     * _.isInteger(3);
+     * // => true
+     *
+     * _.isInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isInteger(Infinity);
+     * // => false
+     *
+     * _.isInteger('3');
+     * // => false
+     */
+    function isInteger(value) {
+      return typeof value == 'number' && value == toInteger(value);
+    }
+
+    /**
+     * Checks if `value` is a valid array-like length.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+     * @example
+     *
+     * _.isLength(3);
+     * // => true
+     *
+     * _.isLength(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isLength(Infinity);
+     * // => false
+     *
+     * _.isLength('3');
+     * // => false
+     */
+    function isLength(value) {
+      return typeof value == 'number' &&
+        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is the
+     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+     * @example
+     *
+     * _.isObject({});
+     * // => true
+     *
+     * _.isObject([1, 2, 3]);
+     * // => true
+     *
+     * _.isObject(_.noop);
+     * // => true
+     *
+     * _.isObject(null);
+     * // => false
+     */
+    function isObject(value) {
+      var type = typeof value;
+      return value != null && (type == 'object' || type == 'function');
+    }
+
+    /**
+     * Checks if `value` is object-like. A value is object-like if it's not `null`
+     * and has a `typeof` result of "object".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+     * @example
+     *
+     * _.isObjectLike({});
+     * // => true
+     *
+     * _.isObjectLike([1, 2, 3]);
+     * // => true
+     *
+     * _.isObjectLike(_.noop);
+     * // => false
+     *
+     * _.isObjectLike(null);
+     * // => false
+     */
+    function isObjectLike(value) {
+      return value != null && typeof value == 'object';
+    }
+
+    /**
+     * Checks if `value` is classified as a `Map` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+     * @example
+     *
+     * _.isMap(new Map);
+     * // => true
+     *
+     * _.isMap(new WeakMap);
+     * // => false
+     */
+    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+
+    /**
+     * Performs a partial deep comparison between `object` and `source` to
+     * determine if `object` contains equivalent property values.
+     *
+     * **Note:** This method is equivalent to `_.matches` when `source` is
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2 };
+     *
+     * _.isMatch(object, { 'b': 2 });
+     * // => true
+     *
+     * _.isMatch(object, { 'b': 1 });
+     * // => false
+     */
+    function isMatch(object, source) {
+      return object === source || baseIsMatch(object, source, getMatchData(source));
+    }
+
+    /**
+     * This method is like `_.isMatch` except that it accepts `customizer` which
+     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+     * are handled by the method instead. The `customizer` is invoked with five
+     * arguments: (objValue, srcValue, index|key, object, source).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {Object} object The object to inspect.
+     * @param {Object} source The object of property values to match.
+     * @param {Function} [customizer] The function to customize comparisons.
+     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+     * @example
+     *
+     * function isGreeting(value) {
+     *   return /^h(?:i|ello)$/.test(value);
+     * }
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
+     *     return true;
+     *   }
+     * }
+     *
+     * var object = { 'greeting': 'hello' };
+     * var source = { 'greeting': 'hi' };
+     *
+     * _.isMatchWith(object, source, customizer);
+     * // => true
+     */
+    function isMatchWith(object, source, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return baseIsMatch(object, source, getMatchData(source), customizer);
+    }
+
+    /**
+     * Checks if `value` is `NaN`.
+     *
+     * **Note:** This method is based on
+     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+     * `undefined` and other non-number values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+     * @example
+     *
+     * _.isNaN(NaN);
+     * // => true
+     *
+     * _.isNaN(new Number(NaN));
+     * // => true
+     *
+     * isNaN(undefined);
+     * // => true
+     *
+     * _.isNaN(undefined);
+     * // => false
+     */
+    function isNaN(value) {
+      // An `NaN` primitive is the only value that is not equal to itself.
+      // Perform the `toStringTag` check first to avoid errors with some
+      // ActiveX objects in IE.
+      return isNumber(value) && value != +value;
+    }
+
+    /**
+     * Checks if `value` is a pristine native function.
+     *
+     * **Note:** This method can't reliably detect native functions in the presence
+     * of the core-js package because core-js circumvents this kind of detection.
+     * Despite multiple requests, the core-js maintainer has made it clear: any
+     * attempt to fix the detection will be obstructed. As a result, we're left
+     * with little choice but to throw an error. Unfortunately, this also affects
+     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
+     * which rely on core-js.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a native function,
+     *  else `false`.
+     * @example
+     *
+     * _.isNative(Array.prototype.push);
+     * // => true
+     *
+     * _.isNative(_);
+     * // => false
+     */
+    function isNative(value) {
+      if (isMaskable(value)) {
+        throw new Error(CORE_ERROR_TEXT);
+      }
+      return baseIsNative(value);
+    }
+
+    /**
+     * Checks if `value` is `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+     * @example
+     *
+     * _.isNull(null);
+     * // => true
+     *
+     * _.isNull(void 0);
+     * // => false
+     */
+    function isNull(value) {
+      return value === null;
+    }
+
+    /**
+     * Checks if `value` is `null` or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
+     * @example
+     *
+     * _.isNil(null);
+     * // => true
+     *
+     * _.isNil(void 0);
+     * // => true
+     *
+     * _.isNil(NaN);
+     * // => false
+     */
+    function isNil(value) {
+      return value == null;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Number` primitive or object.
+     *
+     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+     * classified as numbers, use the `_.isFinite` method.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+     * @example
+     *
+     * _.isNumber(3);
+     * // => true
+     *
+     * _.isNumber(Number.MIN_VALUE);
+     * // => true
+     *
+     * _.isNumber(Infinity);
+     * // => true
+     *
+     * _.isNumber('3');
+     * // => false
+     */
+    function isNumber(value) {
+      return typeof value == 'number' ||
+        (isObjectLike(value) && baseGetTag(value) == numberTag);
+    }
+
+    /**
+     * Checks if `value` is a plain object, that is, an object created by the
+     * `Object` constructor or one with a `[[Prototype]]` of `null`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.8.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * _.isPlainObject(new Foo);
+     * // => false
+     *
+     * _.isPlainObject([1, 2, 3]);
+     * // => false
+     *
+     * _.isPlainObject({ 'x': 0, 'y': 0 });
+     * // => true
+     *
+     * _.isPlainObject(Object.create(null));
+     * // => true
+     */
+    function isPlainObject(value) {
+      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+        return false;
+      }
+      var proto = getPrototype(value);
+      if (proto === null) {
+        return true;
+      }
+      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+        funcToString.call(Ctor) == objectCtorString;
+    }
+
+    /**
+     * Checks if `value` is classified as a `RegExp` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.1.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+     * @example
+     *
+     * _.isRegExp(/abc/);
+     * // => true
+     *
+     * _.isRegExp('/abc/');
+     * // => false
+     */
+    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+
+    /**
+     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
+     * double precision number which isn't the result of a rounded unsafe integer.
+     *
+     * **Note:** This method is based on
+     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
+     * @example
+     *
+     * _.isSafeInteger(3);
+     * // => true
+     *
+     * _.isSafeInteger(Number.MIN_VALUE);
+     * // => false
+     *
+     * _.isSafeInteger(Infinity);
+     * // => false
+     *
+     * _.isSafeInteger('3');
+     * // => false
+     */
+    function isSafeInteger(value) {
+      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
+    }
+
+    /**
+     * Checks if `value` is classified as a `Set` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+     * @example
+     *
+     * _.isSet(new Set);
+     * // => true
+     *
+     * _.isSet(new WeakSet);
+     * // => false
+     */
+    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+
+    /**
+     * Checks if `value` is classified as a `String` primitive or object.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+     * @example
+     *
+     * _.isString('abc');
+     * // => true
+     *
+     * _.isString(1);
+     * // => false
+     */
+    function isString(value) {
+      return typeof value == 'string' ||
+        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a `Symbol` primitive or object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+     * @example
+     *
+     * _.isSymbol(Symbol.iterator);
+     * // => true
+     *
+     * _.isSymbol('abc');
+     * // => false
+     */
+    function isSymbol(value) {
+      return typeof value == 'symbol' ||
+        (isObjectLike(value) && baseGetTag(value) == symbolTag);
+    }
+
+    /**
+     * Checks if `value` is classified as a typed array.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+     * @example
+     *
+     * _.isTypedArray(new Uint8Array);
+     * // => true
+     *
+     * _.isTypedArray([]);
+     * // => false
+     */
+    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+
+    /**
+     * Checks if `value` is `undefined`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+     * @example
+     *
+     * _.isUndefined(void 0);
+     * // => true
+     *
+     * _.isUndefined(null);
+     * // => false
+     */
+    function isUndefined(value) {
+      return value === undefined;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakMap` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
+     * @example
+     *
+     * _.isWeakMap(new WeakMap);
+     * // => true
+     *
+     * _.isWeakMap(new Map);
+     * // => false
+     */
+    function isWeakMap(value) {
+      return isObjectLike(value) && getTag(value) == weakMapTag;
+    }
+
+    /**
+     * Checks if `value` is classified as a `WeakSet` object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.3.0
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
+     * @example
+     *
+     * _.isWeakSet(new WeakSet);
+     * // => true
+     *
+     * _.isWeakSet(new Set);
+     * // => false
+     */
+    function isWeakSet(value) {
+      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+    }
+
+    /**
+     * Checks if `value` is less than `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than `other`,
+     *  else `false`.
+     * @see _.gt
+     * @example
+     *
+     * _.lt(1, 3);
+     * // => true
+     *
+     * _.lt(3, 3);
+     * // => false
+     *
+     * _.lt(3, 1);
+     * // => false
+     */
+    var lt = createRelationalOperation(baseLt);
+
+    /**
+     * Checks if `value` is less than or equal to `other`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.9.0
+     * @category Lang
+     * @param {*} value The value to compare.
+     * @param {*} other The other value to compare.
+     * @returns {boolean} Returns `true` if `value` is less than or equal to
+     *  `other`, else `false`.
+     * @see _.gte
+     * @example
+     *
+     * _.lte(1, 3);
+     * // => true
+     *
+     * _.lte(3, 3);
+     * // => true
+     *
+     * _.lte(3, 1);
+     * // => false
+     */
+    var lte = createRelationalOperation(function(value, other) {
+      return value <= other;
+    });
+
+    /**
+     * Converts `value` to an array.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the converted array.
+     * @example
+     *
+     * _.toArray({ 'a': 1, 'b': 2 });
+     * // => [1, 2]
+     *
+     * _.toArray('abc');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toArray(1);
+     * // => []
+     *
+     * _.toArray(null);
+     * // => []
+     */
+    function toArray(value) {
+      if (!value) {
+        return [];
+      }
+      if (isArrayLike(value)) {
+        return isString(value) ? stringToArray(value) : copyArray(value);
+      }
+      if (symIterator && value[symIterator]) {
+        return iteratorToArray(value[symIterator]());
+      }
+      var tag = getTag(value),
+          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+
+      return func(value);
+    }
+
+    /**
+     * Converts `value` to a finite number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.12.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted number.
+     * @example
+     *
+     * _.toFinite(3.2);
+     * // => 3.2
+     *
+     * _.toFinite(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toFinite(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toFinite('3.2');
+     * // => 3.2
+     */
+    function toFinite(value) {
+      if (!value) {
+        return value === 0 ? value : 0;
+      }
+      value = toNumber(value);
+      if (value === INFINITY || value === -INFINITY) {
+        var sign = (value < 0 ? -1 : 1);
+        return sign * MAX_INTEGER;
+      }
+      return value === value ? value : 0;
+    }
+
+    /**
+     * Converts `value` to an integer.
+     *
+     * **Note:** This method is loosely based on
+     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toInteger(3.2);
+     * // => 3
+     *
+     * _.toInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toInteger(Infinity);
+     * // => 1.7976931348623157e+308
+     *
+     * _.toInteger('3.2');
+     * // => 3
+     */
+    function toInteger(value) {
+      var result = toFinite(value),
+          remainder = result % 1;
+
+      return result === result ? (remainder ? result - remainder : result) : 0;
+    }
+
+    /**
+     * Converts `value` to an integer suitable for use as the length of an
+     * array-like object.
+     *
+     * **Note:** This method is based on
+     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toLength(3.2);
+     * // => 3
+     *
+     * _.toLength(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toLength(Infinity);
+     * // => 4294967295
+     *
+     * _.toLength('3.2');
+     * // => 3
+     */
+    function toLength(value) {
+      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+    }
+
+    /**
+     * Converts `value` to a number.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to process.
+     * @returns {number} Returns the number.
+     * @example
+     *
+     * _.toNumber(3.2);
+     * // => 3.2
+     *
+     * _.toNumber(Number.MIN_VALUE);
+     * // => 5e-324
+     *
+     * _.toNumber(Infinity);
+     * // => Infinity
+     *
+     * _.toNumber('3.2');
+     * // => 3.2
+     */
+    function toNumber(value) {
+      if (typeof value == 'number') {
+        return value;
+      }
+      if (isSymbol(value)) {
+        return NAN;
+      }
+      if (isObject(value)) {
+        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
+        value = isObject(other) ? (other + '') : other;
+      }
+      if (typeof value != 'string') {
+        return value === 0 ? value : +value;
+      }
+      value = value.replace(reTrim, '');
+      var isBinary = reIsBinary.test(value);
+      return (isBinary || reIsOctal.test(value))
+        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+        : (reIsBadHex.test(value) ? NAN : +value);
+    }
+
+    /**
+     * Converts `value` to a plain object flattening inherited enumerable string
+     * keyed properties of `value` to own properties of the plain object.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {Object} Returns the converted plain object.
+     * @example
+     *
+     * function Foo() {
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.assign({ 'a': 1 }, new Foo);
+     * // => { 'a': 1, 'b': 2 }
+     *
+     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+     * // => { 'a': 1, 'b': 2, 'c': 3 }
+     */
+    function toPlainObject(value) {
+      return copyObject(value, keysIn(value));
+    }
+
+    /**
+     * Converts `value` to a safe integer. A safe integer can be compared and
+     * represented correctly.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.toSafeInteger(3.2);
+     * // => 3
+     *
+     * _.toSafeInteger(Number.MIN_VALUE);
+     * // => 0
+     *
+     * _.toSafeInteger(Infinity);
+     * // => 9007199254740991
+     *
+     * _.toSafeInteger('3.2');
+     * // => 3
+     */
+    function toSafeInteger(value) {
+      return value
+        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+        : (value === 0 ? value : 0);
+    }
+
+    /**
+     * Converts `value` to a string. An empty string is returned for `null`
+     * and `undefined` values. The sign of `-0` is preserved.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Lang
+     * @param {*} value The value to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.toString(null);
+     * // => ''
+     *
+     * _.toString(-0);
+     * // => '-0'
+     *
+     * _.toString([1, 2, 3]);
+     * // => '1,2,3'
+     */
+    function toString(value) {
+      return value == null ? '' : baseToString(value);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Assigns own enumerable string keyed properties of source objects to the
+     * destination object. Source objects are applied from left to right.
+     * Subsequent sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object` and is loosely based on
+     * [`Object.assign`](https://mdn.io/Object/assign).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assignIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assign({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var assign = createAssigner(function(object, source) {
+      if (isPrototype(source) || isArrayLike(source)) {
+        copyObject(source, keys(source), object);
+        return;
+      }
+      for (var key in source) {
+        if (hasOwnProperty.call(source, key)) {
+          assignValue(object, key, source[key]);
+        }
+      }
+    });
+
+    /**
+     * This method is like `_.assign` except that it iterates over own and
+     * inherited source properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extend
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.assign
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     * }
+     *
+     * function Bar() {
+     *   this.c = 3;
+     * }
+     *
+     * Foo.prototype.b = 2;
+     * Bar.prototype.d = 4;
+     *
+     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+     */
+    var assignIn = createAssigner(function(object, source) {
+      copyObject(source, keysIn(source), object);
+    });
+
+    /**
+     * This method is like `_.assignIn` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias extendWith
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignInWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keysIn(source), object, customizer);
+    });
+
+    /**
+     * This method is like `_.assign` except that it accepts `customizer`
+     * which is invoked to produce the assigned values. If `customizer` returns
+     * `undefined`, assignment is handled by the method instead. The `customizer`
+     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @see _.assignInWith
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   return _.isUndefined(objValue) ? srcValue : objValue;
+     * }
+     *
+     * var defaults = _.partialRight(_.assignWith, customizer);
+     *
+     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+      copyObject(source, keys(source), object, customizer);
+    });
+
+    /**
+     * Creates an array of values corresponding to `paths` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Array} Returns the picked values.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+     *
+     * _.at(object, ['a[0].b.c', 'a[1]']);
+     * // => [3, 4]
+     */
+    var at = flatRest(baseAt);
+
+    /**
+     * Creates an object that inherits from the `prototype` object. If a
+     * `properties` object is given, its own enumerable string keyed properties
+     * are assigned to the created object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Object
+     * @param {Object} prototype The object to inherit from.
+     * @param {Object} [properties] The properties to assign to the object.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * function Shape() {
+     *   this.x = 0;
+     *   this.y = 0;
+     * }
+     *
+     * function Circle() {
+     *   Shape.call(this);
+     * }
+     *
+     * Circle.prototype = _.create(Shape.prototype, {
+     *   'constructor': Circle
+     * });
+     *
+     * var circle = new Circle;
+     * circle instanceof Circle;
+     * // => true
+     *
+     * circle instanceof Shape;
+     * // => true
+     */
+    function create(prototype, properties) {
+      var result = baseCreate(prototype);
+      return properties == null ? result : baseAssign(result, properties);
+    }
+
+    /**
+     * Assigns own and inherited enumerable string keyed properties of source
+     * objects to the destination object for all destination properties that
+     * resolve to `undefined`. Source objects are applied from left to right.
+     * Once a property is set, additional values of the same property are ignored.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaultsDeep
+     * @example
+     *
+     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+     * // => { 'a': 1, 'b': 2 }
+     */
+    var defaults = baseRest(function(object, sources) {
+      object = Object(object);
+
+      var index = -1;
+      var length = sources.length;
+      var guard = length > 2 ? sources[2] : undefined;
+
+      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+        length = 1;
+      }
+
+      while (++index < length) {
+        var source = sources[index];
+        var props = keysIn(source);
+        var propsIndex = -1;
+        var propsLength = props.length;
+
+        while (++propsIndex < propsLength) {
+          var key = props[propsIndex];
+          var value = object[key];
+
+          if (value === undefined ||
+              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+            object[key] = source[key];
+          }
+        }
+      }
+
+      return object;
+    });
+
+    /**
+     * This method is like `_.defaults` except that it recursively assigns
+     * default properties.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @see _.defaults
+     * @example
+     *
+     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
+     * // => { 'a': { 'b': 2, 'c': 3 } }
+     */
+    var defaultsDeep = baseRest(function(args) {
+      args.push(undefined, customDefaultsMerge);
+      return apply(mergeWith, undefined, args);
+    });
+
+    /**
+     * This method is like `_.find` except that it returns the key of the first
+     * element `predicate` returns truthy for instead of the element itself.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findKey(users, function(o) { return o.age < 40; });
+     * // => 'barney' (iteration order is not guaranteed)
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findKey(users, { 'age': 1, 'active': true });
+     * // => 'pebbles'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findKey(users, 'active');
+     * // => 'barney'
+     */
+    function findKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
+    }
+
+    /**
+     * This method is like `_.findKey` except that it iterates over elements of
+     * a collection in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+     * @returns {string|undefined} Returns the key of the matched element,
+     *  else `undefined`.
+     * @example
+     *
+     * var users = {
+     *   'barney':  { 'age': 36, 'active': true },
+     *   'fred':    { 'age': 40, 'active': false },
+     *   'pebbles': { 'age': 1,  'active': true }
+     * };
+     *
+     * _.findLastKey(users, function(o) { return o.age < 40; });
+     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.findLastKey(users, { 'age': 36, 'active': true });
+     * // => 'barney'
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.findLastKey(users, ['active', false]);
+     * // => 'fred'
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.findLastKey(users, 'active');
+     * // => 'pebbles'
+     */
+    function findLastKey(object, predicate) {
+      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
+    }
+
+    /**
+     * Iterates over own and inherited enumerable string keyed properties of an
+     * object and invokes `iteratee` for each property. The iteratee is invoked
+     * with three arguments: (value, key, object). Iteratee functions may exit
+     * iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forInRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forIn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
+     */
+    function forIn(object, iteratee) {
+      return object == null
+        ? object
+        : baseFor(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * This method is like `_.forIn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forInRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
+     */
+    function forInRight(object, iteratee) {
+      return object == null
+        ? object
+        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
+    }
+
+    /**
+     * Iterates over own enumerable string keyed properties of an object and
+     * invokes `iteratee` for each property. The iteratee is invoked with three
+     * arguments: (value, key, object). Iteratee functions may exit iteration
+     * early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwnRight
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwn(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+     */
+    function forOwn(object, iteratee) {
+      return object && baseForOwn(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * This method is like `_.forOwn` except that it iterates over properties of
+     * `object` in the opposite order.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.0.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns `object`.
+     * @see _.forOwn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.forOwnRight(new Foo, function(value, key) {
+     *   console.log(key);
+     * });
+     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
+     */
+    function forOwnRight(object, iteratee) {
+      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
+    }
+
+    /**
+     * Creates an array of function property names from own enumerable properties
+     * of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functionsIn
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functions(new Foo);
+     * // => ['a', 'b']
+     */
+    function functions(object) {
+      return object == null ? [] : baseFunctions(object, keys(object));
+    }
+
+    /**
+     * Creates an array of function property names from own and inherited
+     * enumerable properties of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to inspect.
+     * @returns {Array} Returns the function names.
+     * @see _.functions
+     * @example
+     *
+     * function Foo() {
+     *   this.a = _.constant('a');
+     *   this.b = _.constant('b');
+     * }
+     *
+     * Foo.prototype.c = _.constant('c');
+     *
+     * _.functionsIn(new Foo);
+     * // => ['a', 'b', 'c']
+     */
+    function functionsIn(object) {
+      return object == null ? [] : baseFunctions(object, keysIn(object));
+    }
+
+    /**
+     * Gets the value at `path` of `object`. If the resolved value is
+     * `undefined`, the `defaultValue` is returned in its place.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.get(object, 'a[0].b.c');
+     * // => 3
+     *
+     * _.get(object, ['a', '0', 'b', 'c']);
+     * // => 3
+     *
+     * _.get(object, 'a.b.c', 'default');
+     * // => 'default'
+     */
+    function get(object, path, defaultValue) {
+      var result = object == null ? undefined : baseGet(object, path);
+      return result === undefined ? defaultValue : result;
+    }
+
+    /**
+     * Checks if `path` is a direct property of `object`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = { 'a': { 'b': 2 } };
+     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.has(object, 'a');
+     * // => true
+     *
+     * _.has(object, 'a.b');
+     * // => true
+     *
+     * _.has(object, ['a', 'b']);
+     * // => true
+     *
+     * _.has(other, 'a');
+     * // => false
+     */
+    function has(object, path) {
+      return object != null && hasPath(object, path, baseHas);
+    }
+
+    /**
+     * Checks if `path` is a direct or inherited property of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path to check.
+     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+     * @example
+     *
+     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+     *
+     * _.hasIn(object, 'a');
+     * // => true
+     *
+     * _.hasIn(object, 'a.b');
+     * // => true
+     *
+     * _.hasIn(object, ['a', 'b']);
+     * // => true
+     *
+     * _.hasIn(object, 'b');
+     * // => false
+     */
+    function hasIn(object, path) {
+      return object != null && hasPath(object, path, baseHasIn);
+    }
+
+    /**
+     * Creates an object composed of the inverted keys and values of `object`.
+     * If `object` contains duplicate values, subsequent values overwrite
+     * property assignments of previous values.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invert(object);
+     * // => { '1': 'c', '2': 'b' }
+     */
+    var invert = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
+      result[value] = key;
+    }, constant(identity));
+
+    /**
+     * This method is like `_.invert` except that the inverted object is generated
+     * from the results of running each element of `object` thru `iteratee`. The
+     * corresponding inverted value of each inverted key is an array of keys
+     * responsible for generating the inverted value. The iteratee is invoked
+     * with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.1.0
+     * @category Object
+     * @param {Object} object The object to invert.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {Object} Returns the new inverted object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+     *
+     * _.invertBy(object);
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     *
+     * _.invertBy(object, function(value) {
+     *   return 'group' + value;
+     * });
+     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
+     */
+    var invertBy = createInverter(function(result, value, key) {
+      if (value != null &&
+          typeof value.toString != 'function') {
+        value = nativeObjectToString.call(value);
+      }
+
+      if (hasOwnProperty.call(result, value)) {
+        result[value].push(key);
+      } else {
+        result[value] = [key];
+      }
+    }, getIteratee);
+
+    /**
+     * Invokes the method at `path` of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {*} Returns the result of the invoked method.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
+     *
+     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
+     * // => [2, 3]
+     */
+    var invoke = baseRest(baseInvoke);
+
+    /**
+     * Creates an array of the own enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects. See the
+     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+     * for more details.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keys(new Foo);
+     * // => ['a', 'b'] (iteration order is not guaranteed)
+     *
+     * _.keys('hi');
+     * // => ['0', '1']
+     */
+    function keys(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable property names of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property names.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.keysIn(new Foo);
+     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+     */
+    function keysIn(object) {
+      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+    }
+
+    /**
+     * The opposite of `_.mapValues`; this method creates an object with the
+     * same values as `object` and keys generated by running each own enumerable
+     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+     * with three arguments: (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.8.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapValues
+     * @example
+     *
+     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+     *   return key + value;
+     * });
+     * // => { 'a1': 1, 'b2': 2 }
+     */
+    function mapKeys(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, iteratee(value, key, object), value);
+      });
+      return result;
+    }
+
+    /**
+     * Creates an object with the same keys as `object` and values generated
+     * by running each own enumerable string keyed property of `object` thru
+     * `iteratee`. The iteratee is invoked with three arguments:
+     * (value, key, object).
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Object} Returns the new mapped object.
+     * @see _.mapKeys
+     * @example
+     *
+     * var users = {
+     *   'fred':    { 'user': 'fred',    'age': 40 },
+     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+     * };
+     *
+     * _.mapValues(users, function(o) { return o.age; });
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.mapValues(users, 'age');
+     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+     */
+    function mapValues(object, iteratee) {
+      var result = {};
+      iteratee = getIteratee(iteratee, 3);
+
+      baseForOwn(object, function(value, key, object) {
+        baseAssignValue(result, key, iteratee(value, key, object));
+      });
+      return result;
+    }
+
+    /**
+     * This method is like `_.assign` except that it recursively merges own and
+     * inherited enumerable string keyed properties of source objects into the
+     * destination object. Source properties that resolve to `undefined` are
+     * skipped if a destination value exists. Array and plain object properties
+     * are merged recursively. Other objects and value types are overridden by
+     * assignment. Source objects are applied from left to right. Subsequent
+     * sources overwrite property assignments of previous sources.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.5.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} [sources] The source objects.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {
+     *   'a': [{ 'b': 2 }, { 'd': 4 }]
+     * };
+     *
+     * var other = {
+     *   'a': [{ 'c': 3 }, { 'e': 5 }]
+     * };
+     *
+     * _.merge(object, other);
+     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+     */
+    var merge = createAssigner(function(object, source, srcIndex) {
+      baseMerge(object, source, srcIndex);
+    });
+
+    /**
+     * This method is like `_.merge` except that it accepts `customizer` which
+     * is invoked to produce the merged values of the destination and source
+     * properties. If `customizer` returns `undefined`, merging is handled by the
+     * method instead. The `customizer` is invoked with six arguments:
+     * (objValue, srcValue, key, object, source, stack).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The destination object.
+     * @param {...Object} sources The source objects.
+     * @param {Function} customizer The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * function customizer(objValue, srcValue) {
+     *   if (_.isArray(objValue)) {
+     *     return objValue.concat(srcValue);
+     *   }
+     * }
+     *
+     * var object = { 'a': [1], 'b': [2] };
+     * var other = { 'a': [3], 'b': [4] };
+     *
+     * _.mergeWith(object, other, customizer);
+     * // => { 'a': [1, 3], 'b': [2, 4] }
+     */
+    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+      baseMerge(object, source, srcIndex, customizer);
+    });
+
+    /**
+     * The opposite of `_.pick`; this method creates an object composed of the
+     * own and inherited enumerable property paths of `object` that are not omitted.
+     *
+     * **Note:** This method is considerably slower than `_.pick`.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to omit.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omit(object, ['a', 'c']);
+     * // => { 'b': '2' }
+     */
+    var omit = flatRest(function(object, paths) {
+      var result = {};
+      if (object == null) {
+        return result;
+      }
+      var isDeep = false;
+      paths = arrayMap(paths, function(path) {
+        path = castPath(path, object);
+        isDeep || (isDeep = path.length > 1);
+        return path;
+      });
+      copyObject(object, getAllKeysIn(object), result);
+      if (isDeep) {
+        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+      }
+      var length = paths.length;
+      while (length--) {
+        baseUnset(result, paths[length]);
+      }
+      return result;
+    });
+
+    /**
+     * The opposite of `_.pickBy`; this method creates an object composed of
+     * the own and inherited enumerable string keyed properties of `object` that
+     * `predicate` doesn't return truthy for. The predicate is invoked with two
+     * arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.omitBy(object, _.isNumber);
+     * // => { 'b': '2' }
+     */
+    function omitBy(object, predicate) {
+      return pickBy(object, negate(getIteratee(predicate)));
+    }
+
+    /**
+     * Creates an object composed of the picked `object` properties.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {...(string|string[])} [paths] The property paths to pick.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pick(object, ['a', 'c']);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    var pick = flatRest(function(object, paths) {
+      return object == null ? {} : basePick(object, paths);
+    });
+
+    /**
+     * Creates an object composed of the `object` properties `predicate` returns
+     * truthy for. The predicate is invoked with two arguments: (value, key).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The source object.
+     * @param {Function} [predicate=_.identity] The function invoked per property.
+     * @returns {Object} Returns the new object.
+     * @example
+     *
+     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+     *
+     * _.pickBy(object, _.isNumber);
+     * // => { 'a': 1, 'c': 3 }
+     */
+    function pickBy(object, predicate) {
+      if (object == null) {
+        return {};
+      }
+      var props = arrayMap(getAllKeysIn(object), function(prop) {
+        return [prop];
+      });
+      predicate = getIteratee(predicate);
+      return basePickBy(object, props, function(value, path) {
+        return predicate(value, path[0]);
+      });
+    }
+
+    /**
+     * This method is like `_.get` except that if the resolved value is a
+     * function it's invoked with the `this` binding of its parent object and
+     * its result is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @param {Array|string} path The path of the property to resolve.
+     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+     *
+     * _.result(object, 'a[0].b.c1');
+     * // => 3
+     *
+     * _.result(object, 'a[0].b.c2');
+     * // => 4
+     *
+     * _.result(object, 'a[0].b.c3', 'default');
+     * // => 'default'
+     *
+     * _.result(object, 'a[0].b.c3', _.constant('default'));
+     * // => 'default'
+     */
+    function result(object, path, defaultValue) {
+      path = castPath(path, object);
+
+      var index = -1,
+          length = path.length;
+
+      // Ensure the loop is entered when path is empty.
+      if (!length) {
+        length = 1;
+        object = undefined;
+      }
+      while (++index < length) {
+        var value = object == null ? undefined : object[toKey(path[index])];
+        if (value === undefined) {
+          index = length;
+          value = defaultValue;
+        }
+        object = isFunction(value) ? value.call(object) : value;
+      }
+      return object;
+    }
+
+    /**
+     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
+     * it's created. Arrays are created for missing index properties while objects
+     * are created for all other missing properties. Use `_.setWith` to customize
+     * `path` creation.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.set(object, 'a[0].b.c', 4);
+     * console.log(object.a[0].b.c);
+     * // => 4
+     *
+     * _.set(object, ['x', '0', 'y', 'z'], 5);
+     * console.log(object.x[0].y.z);
+     * // => 5
+     */
+    function set(object, path, value) {
+      return object == null ? object : baseSet(object, path, value);
+    }
+
+    /**
+     * This method is like `_.set` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {*} value The value to set.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.setWith(object, '[0][1]', 'a', Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function setWith(object, path, value, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseSet(object, path, value, customizer);
+    }
+
+    /**
+     * Creates an array of own enumerable string keyed-value pairs for `object`
+     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
+     * entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entries
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairs(new Foo);
+     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
+     */
+    var toPairs = createToPairs(keys);
+
+    /**
+     * Creates an array of own and inherited enumerable string keyed-value pairs
+     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
+     * or set, its entries are returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @alias entriesIn
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the key-value pairs.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.toPairsIn(new Foo);
+     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
+     */
+    var toPairsIn = createToPairs(keysIn);
+
+    /**
+     * An alternative to `_.reduce`; this method transforms `object` to a new
+     * `accumulator` object which is the result of running each of its own
+     * enumerable string keyed properties thru `iteratee`, with each invocation
+     * potentially mutating the `accumulator` object. If `accumulator` is not
+     * provided, a new object with the same `[[Prototype]]` will be used. The
+     * iteratee is invoked with four arguments: (accumulator, value, key, object).
+     * Iteratee functions may exit iteration early by explicitly returning `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.3.0
+     * @category Object
+     * @param {Object} object The object to iterate over.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @param {*} [accumulator] The custom accumulator value.
+     * @returns {*} Returns the accumulated value.
+     * @example
+     *
+     * _.transform([2, 3, 4], function(result, n) {
+     *   result.push(n *= n);
+     *   return n % 2 == 0;
+     * }, []);
+     * // => [4, 9]
+     *
+     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+     *   (result[value] || (result[value] = [])).push(key);
+     * }, {});
+     * // => { '1': ['a', 'c'], '2': ['b'] }
+     */
+    function transform(object, iteratee, accumulator) {
+      var isArr = isArray(object),
+          isArrLike = isArr || isBuffer(object) || isTypedArray(object);
+
+      iteratee = getIteratee(iteratee, 4);
+      if (accumulator == null) {
+        var Ctor = object && object.constructor;
+        if (isArrLike) {
+          accumulator = isArr ? new Ctor : [];
+        }
+        else if (isObject(object)) {
+          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
+        }
+        else {
+          accumulator = {};
+        }
+      }
+      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
+        return iteratee(accumulator, value, index, object);
+      });
+      return accumulator;
+    }
+
+    /**
+     * Removes the property at `path` of `object`.
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to unset.
+     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
+     * _.unset(object, 'a[0].b.c');
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     *
+     * _.unset(object, ['a', '0', 'b', 'c']);
+     * // => true
+     *
+     * console.log(object);
+     * // => { 'a': [{ 'b': {} }] };
+     */
+    function unset(object, path) {
+      return object == null ? true : baseUnset(object, path);
+    }
+
+    /**
+     * This method is like `_.set` except that accepts `updater` to produce the
+     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
+     * is invoked with one argument: (value).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+     *
+     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
+     * console.log(object.a[0].b.c);
+     * // => 9
+     *
+     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
+     * console.log(object.x[0].y.z);
+     * // => 0
+     */
+    function update(object, path, updater) {
+      return object == null ? object : baseUpdate(object, path, castFunction(updater));
+    }
+
+    /**
+     * This method is like `_.update` except that it accepts `customizer` which is
+     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+     * path creation is handled by the method instead. The `customizer` is invoked
+     * with three arguments: (nsValue, key, nsObject).
+     *
+     * **Note:** This method mutates `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.6.0
+     * @category Object
+     * @param {Object} object The object to modify.
+     * @param {Array|string} path The path of the property to set.
+     * @param {Function} updater The function to produce the updated value.
+     * @param {Function} [customizer] The function to customize assigned values.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var object = {};
+     *
+     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+     * // => { '0': { '1': 'a' } }
+     */
+    function updateWith(object, path, updater, customizer) {
+      customizer = typeof customizer == 'function' ? customizer : undefined;
+      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+    }
+
+    /**
+     * Creates an array of the own enumerable string keyed property values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.values(new Foo);
+     * // => [1, 2] (iteration order is not guaranteed)
+     *
+     * _.values('hi');
+     * // => ['h', 'i']
+     */
+    function values(object) {
+      return object == null ? [] : baseValues(object, keys(object));
+    }
+
+    /**
+     * Creates an array of the own and inherited enumerable string keyed property
+     * values of `object`.
+     *
+     * **Note:** Non-object values are coerced to objects.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Object
+     * @param {Object} object The object to query.
+     * @returns {Array} Returns the array of property values.
+     * @example
+     *
+     * function Foo() {
+     *   this.a = 1;
+     *   this.b = 2;
+     * }
+     *
+     * Foo.prototype.c = 3;
+     *
+     * _.valuesIn(new Foo);
+     * // => [1, 2, 3] (iteration order is not guaranteed)
+     */
+    function valuesIn(object) {
+      return object == null ? [] : baseValues(object, keysIn(object));
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Clamps `number` within the inclusive `lower` and `upper` bounds.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Number
+     * @param {number} number The number to clamp.
+     * @param {number} [lower] The lower bound.
+     * @param {number} upper The upper bound.
+     * @returns {number} Returns the clamped number.
+     * @example
+     *
+     * _.clamp(-10, -5, 5);
+     * // => -5
+     *
+     * _.clamp(10, -5, 5);
+     * // => 5
+     */
+    function clamp(number, lower, upper) {
+      if (upper === undefined) {
+        upper = lower;
+        lower = undefined;
+      }
+      if (upper !== undefined) {
+        upper = toNumber(upper);
+        upper = upper === upper ? upper : 0;
+      }
+      if (lower !== undefined) {
+        lower = toNumber(lower);
+        lower = lower === lower ? lower : 0;
+      }
+      return baseClamp(toNumber(number), lower, upper);
+    }
+
+    /**
+     * Checks if `n` is between `start` and up to, but not including, `end`. If
+     * `end` is not specified, it's set to `start` with `start` then set to `0`.
+     * If `start` is greater than `end` the params are swapped to support
+     * negative ranges.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.3.0
+     * @category Number
+     * @param {number} number The number to check.
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+     * @see _.range, _.rangeRight
+     * @example
+     *
+     * _.inRange(3, 2, 4);
+     * // => true
+     *
+     * _.inRange(4, 8);
+     * // => true
+     *
+     * _.inRange(4, 2);
+     * // => false
+     *
+     * _.inRange(2, 2);
+     * // => false
+     *
+     * _.inRange(1.2, 2);
+     * // => true
+     *
+     * _.inRange(5.2, 4);
+     * // => false
+     *
+     * _.inRange(-3, -2, -6);
+     * // => true
+     */
+    function inRange(number, start, end) {
+      start = toFinite(start);
+      if (end === undefined) {
+        end = start;
+        start = 0;
+      } else {
+        end = toFinite(end);
+      }
+      number = toNumber(number);
+      return baseInRange(number, start, end);
+    }
+
+    /**
+     * Produces a random number between the inclusive `lower` and `upper` bounds.
+     * If only one argument is provided a number between `0` and the given number
+     * is returned. If `floating` is `true`, or either `lower` or `upper` are
+     * floats, a floating-point number is returned instead of an integer.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @memberOf _
+     * @since 0.7.0
+     * @category Number
+     * @param {number} [lower=0] The lower bound.
+     * @param {number} [upper=1] The upper bound.
+     * @param {boolean} [floating] Specify returning a floating-point number.
+     * @returns {number} Returns the random number.
+     * @example
+     *
+     * _.random(0, 5);
+     * // => an integer between 0 and 5
+     *
+     * _.random(5);
+     * // => also an integer between 0 and 5
+     *
+     * _.random(5, true);
+     * // => a floating-point number between 0 and 5
+     *
+     * _.random(1.2, 5.2);
+     * // => a floating-point number between 1.2 and 5.2
+     */
+    function random(lower, upper, floating) {
+      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
+        upper = floating = undefined;
+      }
+      if (floating === undefined) {
+        if (typeof upper == 'boolean') {
+          floating = upper;
+          upper = undefined;
+        }
+        else if (typeof lower == 'boolean') {
+          floating = lower;
+          lower = undefined;
+        }
+      }
+      if (lower === undefined && upper === undefined) {
+        lower = 0;
+        upper = 1;
+      }
+      else {
+        lower = toFinite(lower);
+        if (upper === undefined) {
+          upper = lower;
+          lower = 0;
+        } else {
+          upper = toFinite(upper);
+        }
+      }
+      if (lower > upper) {
+        var temp = lower;
+        lower = upper;
+        upper = temp;
+      }
+      if (floating || lower % 1 || upper % 1) {
+        var rand = nativeRandom();
+        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
+      }
+      return baseRandom(lower, upper);
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the camel cased string.
+     * @example
+     *
+     * _.camelCase('Foo Bar');
+     * // => 'fooBar'
+     *
+     * _.camelCase('--foo-bar--');
+     * // => 'fooBar'
+     *
+     * _.camelCase('__FOO_BAR__');
+     * // => 'fooBar'
+     */
+    var camelCase = createCompounder(function(result, word, index) {
+      word = word.toLowerCase();
+      return result + (index ? capitalize(word) : word);
+    });
+
+    /**
+     * Converts the first character of `string` to upper case and the remaining
+     * to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to capitalize.
+     * @returns {string} Returns the capitalized string.
+     * @example
+     *
+     * _.capitalize('FRED');
+     * // => 'Fred'
+     */
+    function capitalize(string) {
+      return upperFirst(toString(string).toLowerCase());
+    }
+
+    /**
+     * Deburrs `string` by converting
+     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
+     * letters to basic Latin letters and removing
+     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to deburr.
+     * @returns {string} Returns the deburred string.
+     * @example
+     *
+     * _.deburr('déjà vu');
+     * // => 'deja vu'
+     */
+    function deburr(string) {
+      string = toString(string);
+      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+    }
+
+    /**
+     * Checks if `string` ends with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=string.length] The position to search up to.
+     * @returns {boolean} Returns `true` if `string` ends with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.endsWith('abc', 'c');
+     * // => true
+     *
+     * _.endsWith('abc', 'b');
+     * // => false
+     *
+     * _.endsWith('abc', 'b', 2);
+     * // => true
+     */
+    function endsWith(string, target, position) {
+      string = toString(string);
+      target = baseToString(target);
+
+      var length = string.length;
+      position = position === undefined
+        ? length
+        : baseClamp(toInteger(position), 0, length);
+
+      var end = position;
+      position -= target.length;
+      return position >= 0 && string.slice(position, end) == target;
+    }
+
+    /**
+     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+     * corresponding HTML entities.
+     *
+     * **Note:** No other characters are escaped. To escape additional
+     * characters use a third-party library like [_he_](https://mths.be/he).
+     *
+     * Though the ">" character is escaped for symmetry, characters like
+     * ">" and "/" don't need escaping in HTML and have no special meaning
+     * unless they're part of a tag or unquoted attribute value. See
+     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+     * (under "semi-related fun fact") for more details.
+     *
+     * When working with HTML you should always
+     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+     * XSS vectors.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escape('fred, barney, & pebbles');
+     * // => 'fred, barney, &amp; pebbles'
+     */
+    function escape(string) {
+      string = toString(string);
+      return (string && reHasUnescapedHtml.test(string))
+        ? string.replace(reUnescapedHtml, escapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
+     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to escape.
+     * @returns {string} Returns the escaped string.
+     * @example
+     *
+     * _.escapeRegExp('[lodash](https://lodash.com/)');
+     * // => '\[lodash\]\(https://lodash\.com/\)'
+     */
+    function escapeRegExp(string) {
+      string = toString(string);
+      return (string && reHasRegExpChar.test(string))
+        ? string.replace(reRegExpChar, '\\$&')
+        : string;
+    }
+
+    /**
+     * Converts `string` to
+     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the kebab cased string.
+     * @example
+     *
+     * _.kebabCase('Foo Bar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('fooBar');
+     * // => 'foo-bar'
+     *
+     * _.kebabCase('__FOO_BAR__');
+     * // => 'foo-bar'
+     */
+    var kebabCase = createCompounder(function(result, word, index) {
+      return result + (index ? '-' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts `string`, as space separated words, to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.lowerCase('--Foo-Bar--');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('fooBar');
+     * // => 'foo bar'
+     *
+     * _.lowerCase('__FOO_BAR__');
+     * // => 'foo bar'
+     */
+    var lowerCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Converts the first character of `string` to lower case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.lowerFirst('Fred');
+     * // => 'fred'
+     *
+     * _.lowerFirst('FRED');
+     * // => 'fRED'
+     */
+    var lowerFirst = createCaseFirst('toLowerCase');
+
+    /**
+     * Pads `string` on the left and right sides if it's shorter than `length`.
+     * Padding characters are truncated if they can't be evenly divided by `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.pad('abc', 8);
+     * // => '  abc   '
+     *
+     * _.pad('abc', 8, '_-');
+     * // => '_-abc_-_'
+     *
+     * _.pad('abc', 3);
+     * // => 'abc'
+     */
+    function pad(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      if (!length || strLength >= length) {
+        return string;
+      }
+      var mid = (length - strLength) / 2;
+      return (
+        createPadding(nativeFloor(mid), chars) +
+        string +
+        createPadding(nativeCeil(mid), chars)
+      );
+    }
+
+    /**
+     * Pads `string` on the right side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padEnd('abc', 6);
+     * // => 'abc   '
+     *
+     * _.padEnd('abc', 6, '_-');
+     * // => 'abc_-_'
+     *
+     * _.padEnd('abc', 3);
+     * // => 'abc'
+     */
+    function padEnd(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (string + createPadding(length - strLength, chars))
+        : string;
+    }
+
+    /**
+     * Pads `string` on the left side if it's shorter than `length`. Padding
+     * characters are truncated if they exceed `length`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to pad.
+     * @param {number} [length=0] The padding length.
+     * @param {string} [chars=' '] The string used as padding.
+     * @returns {string} Returns the padded string.
+     * @example
+     *
+     * _.padStart('abc', 6);
+     * // => '   abc'
+     *
+     * _.padStart('abc', 6, '_-');
+     * // => '_-_abc'
+     *
+     * _.padStart('abc', 3);
+     * // => 'abc'
+     */
+    function padStart(string, length, chars) {
+      string = toString(string);
+      length = toInteger(length);
+
+      var strLength = length ? stringSize(string) : 0;
+      return (length && strLength < length)
+        ? (createPadding(length - strLength, chars) + string)
+        : string;
+    }
+
+    /**
+     * Converts `string` to an integer of the specified radix. If `radix` is
+     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
+     * hexadecimal, in which case a `radix` of `16` is used.
+     *
+     * **Note:** This method aligns with the
+     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
+     *
+     * @static
+     * @memberOf _
+     * @since 1.1.0
+     * @category String
+     * @param {string} string The string to convert.
+     * @param {number} [radix=10] The radix to interpret `value` by.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {number} Returns the converted integer.
+     * @example
+     *
+     * _.parseInt('08');
+     * // => 8
+     *
+     * _.map(['6', '08', '10'], _.parseInt);
+     * // => [6, 8, 10]
+     */
+    function parseInt(string, radix, guard) {
+      if (guard || radix == null) {
+        radix = 0;
+      } else if (radix) {
+        radix = +radix;
+      }
+      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
+    }
+
+    /**
+     * Repeats the given string `n` times.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to repeat.
+     * @param {number} [n=1] The number of times to repeat the string.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the repeated string.
+     * @example
+     *
+     * _.repeat('*', 3);
+     * // => '***'
+     *
+     * _.repeat('abc', 2);
+     * // => 'abcabc'
+     *
+     * _.repeat('abc', 0);
+     * // => ''
+     */
+    function repeat(string, n, guard) {
+      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
+        n = 1;
+      } else {
+        n = toInteger(n);
+      }
+      return baseRepeat(toString(string), n);
+    }
+
+    /**
+     * Replaces matches for `pattern` in `string` with `replacement`.
+     *
+     * **Note:** This method is based on
+     * [`String#replace`](https://mdn.io/String/replace).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to modify.
+     * @param {RegExp|string} pattern The pattern to replace.
+     * @param {Function|string} replacement The match replacement.
+     * @returns {string} Returns the modified string.
+     * @example
+     *
+     * _.replace('Hi Fred', 'Fred', 'Barney');
+     * // => 'Hi Barney'
+     */
+    function replace() {
+      var args = arguments,
+          string = toString(args[0]);
+
+      return args.length < 3 ? string : string.replace(args[1], args[2]);
+    }
+
+    /**
+     * Converts `string` to
+     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the snake cased string.
+     * @example
+     *
+     * _.snakeCase('Foo Bar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('fooBar');
+     * // => 'foo_bar'
+     *
+     * _.snakeCase('--FOO-BAR--');
+     * // => 'foo_bar'
+     */
+    var snakeCase = createCompounder(function(result, word, index) {
+      return result + (index ? '_' : '') + word.toLowerCase();
+    });
+
+    /**
+     * Splits `string` by `separator`.
+     *
+     * **Note:** This method is based on
+     * [`String#split`](https://mdn.io/String/split).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to split.
+     * @param {RegExp|string} separator The separator pattern to split by.
+     * @param {number} [limit] The length to truncate results to.
+     * @returns {Array} Returns the string segments.
+     * @example
+     *
+     * _.split('a-b-c', '-', 2);
+     * // => ['a', 'b']
+     */
+    function split(string, separator, limit) {
+      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
+        separator = limit = undefined;
+      }
+      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
+      if (!limit) {
+        return [];
+      }
+      string = toString(string);
+      if (string && (
+            typeof separator == 'string' ||
+            (separator != null && !isRegExp(separator))
+          )) {
+        separator = baseToString(separator);
+        if (!separator && hasUnicode(string)) {
+          return castSlice(stringToArray(string), 0, limit);
+        }
+      }
+      return string.split(separator, limit);
+    }
+
+    /**
+     * Converts `string` to
+     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+     *
+     * @static
+     * @memberOf _
+     * @since 3.1.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the start cased string.
+     * @example
+     *
+     * _.startCase('--foo-bar--');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('fooBar');
+     * // => 'Foo Bar'
+     *
+     * _.startCase('__FOO_BAR__');
+     * // => 'FOO BAR'
+     */
+    var startCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + upperFirst(word);
+    });
+
+    /**
+     * Checks if `string` starts with the given target string.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {string} [target] The string to search for.
+     * @param {number} [position=0] The position to search from.
+     * @returns {boolean} Returns `true` if `string` starts with `target`,
+     *  else `false`.
+     * @example
+     *
+     * _.startsWith('abc', 'a');
+     * // => true
+     *
+     * _.startsWith('abc', 'b');
+     * // => false
+     *
+     * _.startsWith('abc', 'b', 1);
+     * // => true
+     */
+    function startsWith(string, target, position) {
+      string = toString(string);
+      position = position == null
+        ? 0
+        : baseClamp(toInteger(position), 0, string.length);
+
+      target = baseToString(target);
+      return string.slice(position, position + target.length) == target;
+    }
+
+    /**
+     * Creates a compiled template function that can interpolate data properties
+     * in "interpolate" delimiters, HTML-escape interpolated data properties in
+     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+     * properties may be accessed as free variables in the template. If a setting
+     * object is given, it takes precedence over `_.templateSettings` values.
+     *
+     * **Note:** In the development build `_.template` utilizes
+     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+     * for easier debugging.
+     *
+     * For more information on precompiling templates see
+     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+     *
+     * For more information on Chrome extension sandboxes see
+     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category String
+     * @param {string} [string=''] The template string.
+     * @param {Object} [options={}] The options object.
+     * @param {RegExp} [options.escape=_.templateSettings.escape]
+     *  The HTML "escape" delimiter.
+     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
+     *  The "evaluate" delimiter.
+     * @param {Object} [options.imports=_.templateSettings.imports]
+     *  An object to import into the template as free variables.
+     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
+     *  The "interpolate" delimiter.
+     * @param {string} [options.sourceURL='lodash.templateSources[n]']
+     *  The sourceURL of the compiled template.
+     * @param {string} [options.variable='obj']
+     *  The data object variable name.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Function} Returns the compiled template function.
+     * @example
+     *
+     * // Use the "interpolate" delimiter to create a compiled template.
+     * var compiled = _.template('hello <%= user %>!');
+     * compiled({ 'user': 'fred' });
+     * // => 'hello fred!'
+     *
+     * // Use the HTML "escape" delimiter to escape data property values.
+     * var compiled = _.template('<b><%- value %></b>');
+     * compiled({ 'value': '<script>' });
+     * // => '<b>&lt;script&gt;</b>'
+     *
+     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
+     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the internal `print` function in "evaluate" delimiters.
+     * var compiled = _.template('<% print("hello " + user); %>!');
+     * compiled({ 'user': 'barney' });
+     * // => 'hello barney!'
+     *
+     * // Use the ES template literal delimiter as an "interpolate" delimiter.
+     * // Disable support by replacing the "interpolate" delimiter.
+     * var compiled = _.template('hello ${ user }!');
+     * compiled({ 'user': 'pebbles' });
+     * // => 'hello pebbles!'
+     *
+     * // Use backslashes to treat delimiters as plain text.
+     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+     * compiled({ 'value': 'ignored' });
+     * // => '<%- value %>'
+     *
+     * // Use the `imports` option to import `jQuery` as `jq`.
+     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+     * compiled({ 'users': ['fred', 'barney'] });
+     * // => '<li>fred</li><li>barney</li>'
+     *
+     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
+     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+     * compiled(data);
+     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
+     *
+     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
+     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+     * compiled.source;
+     * // => function(data) {
+     * //   var __t, __p = '';
+     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+     * //   return __p;
+     * // }
+     *
+     * // Use custom template delimiters.
+     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+     * var compiled = _.template('hello {{ user }}!');
+     * compiled({ 'user': 'mustache' });
+     * // => 'hello mustache!'
+     *
+     * // Use the `source` property to inline compiled templates for meaningful
+     * // line numbers in error messages and stack traces.
+     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
+     *   var JST = {\
+     *     "main": ' + _.template(mainText).source + '\
+     *   };\
+     * ');
+     */
+    function template(string, options, guard) {
+      // Based on John Resig's `tmpl` implementation
+      // (http://ejohn.org/blog/javascript-micro-templating/)
+      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+      var settings = lodash.templateSettings;
+
+      if (guard && isIterateeCall(string, options, guard)) {
+        options = undefined;
+      }
+      string = toString(string);
+      options = assignInWith({}, options, settings, customDefaultsAssignIn);
+
+      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
+          importsKeys = keys(imports),
+          importsValues = baseValues(imports, importsKeys);
+
+      var isEscaping,
+          isEvaluating,
+          index = 0,
+          interpolate = options.interpolate || reNoMatch,
+          source = "__p += '";
+
+      // Compile the regexp to match each delimiter.
+      var reDelimiters = RegExp(
+        (options.escape || reNoMatch).source + '|' +
+        interpolate.source + '|' +
+        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
+        (options.evaluate || reNoMatch).source + '|$'
+      , 'g');
+
+      // Use a sourceURL for easier debugging.
+      // The sourceURL gets injected into the source that's eval-ed, so be careful
+      // with lookup (in case of e.g. prototype pollution), and strip newlines if any.
+      // A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.
+      var sourceURL = '//# sourceURL=' +
+        (hasOwnProperty.call(options, 'sourceURL')
+          ? (options.sourceURL + '').replace(/[\r\n]/g, ' ')
+          : ('lodash.templateSources[' + (++templateCounter) + ']')
+        ) + '\n';
+
+      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+        interpolateValue || (interpolateValue = esTemplateValue);
+
+        // Escape characters that can't be included in string literals.
+        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+
+        // Replace delimiters with snippets.
+        if (escapeValue) {
+          isEscaping = true;
+          source += "' +\n__e(" + escapeValue + ") +\n'";
+        }
+        if (evaluateValue) {
+          isEvaluating = true;
+          source += "';\n" + evaluateValue + ";\n__p += '";
+        }
+        if (interpolateValue) {
+          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+        }
+        index = offset + match.length;
+
+        // The JS engine embedded in Adobe products needs `match` returned in
+        // order to produce the correct `offset` value.
+        return match;
+      });
+
+      source += "';\n";
+
+      // If `variable` is not specified wrap a with-statement around the generated
+      // code to add the data object to the top of the scope chain.
+      // Like with sourceURL, we take care to not check the option's prototype,
+      // as this configuration is a code injection vector.
+      var variable = hasOwnProperty.call(options, 'variable') && options.variable;
+      if (!variable) {
+        source = 'with (obj) {\n' + source + '\n}\n';
+      }
+      // Cleanup code by stripping empty strings.
+      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
+        .replace(reEmptyStringMiddle, '$1')
+        .replace(reEmptyStringTrailing, '$1;');
+
+      // Frame code as the function body.
+      source = 'function(' + (variable || 'obj') + ') {\n' +
+        (variable
+          ? ''
+          : 'obj || (obj = {});\n'
+        ) +
+        "var __t, __p = ''" +
+        (isEscaping
+           ? ', __e = _.escape'
+           : ''
+        ) +
+        (isEvaluating
+          ? ', __j = Array.prototype.join;\n' +
+            "function print() { __p += __j.call(arguments, '') }\n"
+          : ';\n'
+        ) +
+        source +
+        'return __p\n}';
+
+      var result = attempt(function() {
+        return Function(importsKeys, sourceURL + 'return ' + source)
+          .apply(undefined, importsValues);
+      });
+
+      // Provide the compiled function's source by its `toString` method or
+      // the `source` property as a convenience for inlining compiled templates.
+      result.source = source;
+      if (isError(result)) {
+        throw result;
+      }
+      return result;
+    }
+
+    /**
+     * Converts `string`, as a whole, to lower case just like
+     * [String#toLowerCase](https://mdn.io/toLowerCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the lower cased string.
+     * @example
+     *
+     * _.toLower('--Foo-Bar--');
+     * // => '--foo-bar--'
+     *
+     * _.toLower('fooBar');
+     * // => 'foobar'
+     *
+     * _.toLower('__FOO_BAR__');
+     * // => '__foo_bar__'
+     */
+    function toLower(value) {
+      return toString(value).toLowerCase();
+    }
+
+    /**
+     * Converts `string`, as a whole, to upper case just like
+     * [String#toUpperCase](https://mdn.io/toUpperCase).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.toUpper('--foo-bar--');
+     * // => '--FOO-BAR--'
+     *
+     * _.toUpper('fooBar');
+     * // => 'FOOBAR'
+     *
+     * _.toUpper('__foo_bar__');
+     * // => '__FOO_BAR__'
+     */
+    function toUpper(value) {
+      return toString(value).toUpperCase();
+    }
+
+    /**
+     * Removes leading and trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trim('  abc  ');
+     * // => 'abc'
+     *
+     * _.trim('-_-abc-_-', '_-');
+     * // => 'abc'
+     *
+     * _.map(['  foo  ', '  bar  '], _.trim);
+     * // => ['foo', 'bar']
+     */
+    function trim(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrim, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          chrSymbols = stringToArray(chars),
+          start = charsStartIndex(strSymbols, chrSymbols),
+          end = charsEndIndex(strSymbols, chrSymbols) + 1;
+
+      return castSlice(strSymbols, start, end).join('');
+    }
+
+    /**
+     * Removes trailing whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimEnd('  abc  ');
+     * // => '  abc'
+     *
+     * _.trimEnd('-_-abc-_-', '_-');
+     * // => '-_-abc'
+     */
+    function trimEnd(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrimEnd, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+
+      return castSlice(strSymbols, 0, end).join('');
+    }
+
+    /**
+     * Removes leading whitespace or specified characters from `string`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to trim.
+     * @param {string} [chars=whitespace] The characters to trim.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {string} Returns the trimmed string.
+     * @example
+     *
+     * _.trimStart('  abc  ');
+     * // => 'abc  '
+     *
+     * _.trimStart('-_-abc-_-', '_-');
+     * // => 'abc-_-'
+     */
+    function trimStart(string, chars, guard) {
+      string = toString(string);
+      if (string && (guard || chars === undefined)) {
+        return string.replace(reTrimStart, '');
+      }
+      if (!string || !(chars = baseToString(chars))) {
+        return string;
+      }
+      var strSymbols = stringToArray(string),
+          start = charsStartIndex(strSymbols, stringToArray(chars));
+
+      return castSlice(strSymbols, start).join('');
+    }
+
+    /**
+     * Truncates `string` if it's longer than the given maximum string length.
+     * The last characters of the truncated string are replaced with the omission
+     * string which defaults to "...".
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to truncate.
+     * @param {Object} [options={}] The options object.
+     * @param {number} [options.length=30] The maximum string length.
+     * @param {string} [options.omission='...'] The string to indicate text is omitted.
+     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+     * @returns {string} Returns the truncated string.
+     * @example
+     *
+     * _.truncate('hi-diddly-ho there, neighborino');
+     * // => 'hi-diddly-ho there, neighbo...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': ' '
+     * });
+     * // => 'hi-diddly-ho there,...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'length': 24,
+     *   'separator': /,? +/
+     * });
+     * // => 'hi-diddly-ho there...'
+     *
+     * _.truncate('hi-diddly-ho there, neighborino', {
+     *   'omission': ' [...]'
+     * });
+     * // => 'hi-diddly-ho there, neig [...]'
+     */
+    function truncate(string, options) {
+      var length = DEFAULT_TRUNC_LENGTH,
+          omission = DEFAULT_TRUNC_OMISSION;
+
+      if (isObject(options)) {
+        var separator = 'separator' in options ? options.separator : separator;
+        length = 'length' in options ? toInteger(options.length) : length;
+        omission = 'omission' in options ? baseToString(options.omission) : omission;
+      }
+      string = toString(string);
+
+      var strLength = string.length;
+      if (hasUnicode(string)) {
+        var strSymbols = stringToArray(string);
+        strLength = strSymbols.length;
+      }
+      if (length >= strLength) {
+        return string;
+      }
+      var end = length - stringSize(omission);
+      if (end < 1) {
+        return omission;
+      }
+      var result = strSymbols
+        ? castSlice(strSymbols, 0, end).join('')
+        : string.slice(0, end);
+
+      if (separator === undefined) {
+        return result + omission;
+      }
+      if (strSymbols) {
+        end += (result.length - end);
+      }
+      if (isRegExp(separator)) {
+        if (string.slice(end).search(separator)) {
+          var match,
+              substring = result;
+
+          if (!separator.global) {
+            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
+          }
+          separator.lastIndex = 0;
+          while ((match = separator.exec(substring))) {
+            var newEnd = match.index;
+          }
+          result = result.slice(0, newEnd === undefined ? end : newEnd);
+        }
+      } else if (string.indexOf(baseToString(separator), end) != end) {
+        var index = result.lastIndexOf(separator);
+        if (index > -1) {
+          result = result.slice(0, index);
+        }
+      }
+      return result + omission;
+    }
+
+    /**
+     * The inverse of `_.escape`; this method converts the HTML entities
+     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
+     * their corresponding characters.
+     *
+     * **Note:** No other HTML entities are unescaped. To unescape additional
+     * HTML entities use a third-party library like [_he_](https://mths.be/he).
+     *
+     * @static
+     * @memberOf _
+     * @since 0.6.0
+     * @category String
+     * @param {string} [string=''] The string to unescape.
+     * @returns {string} Returns the unescaped string.
+     * @example
+     *
+     * _.unescape('fred, barney, &amp; pebbles');
+     * // => 'fred, barney, & pebbles'
+     */
+    function unescape(string) {
+      string = toString(string);
+      return (string && reHasEscapedHtml.test(string))
+        ? string.replace(reEscapedHtml, unescapeHtmlChar)
+        : string;
+    }
+
+    /**
+     * Converts `string`, as space separated words, to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the upper cased string.
+     * @example
+     *
+     * _.upperCase('--foo-bar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('fooBar');
+     * // => 'FOO BAR'
+     *
+     * _.upperCase('__foo_bar__');
+     * // => 'FOO BAR'
+     */
+    var upperCase = createCompounder(function(result, word, index) {
+      return result + (index ? ' ' : '') + word.toUpperCase();
+    });
+
+    /**
+     * Converts the first character of `string` to upper case.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category String
+     * @param {string} [string=''] The string to convert.
+     * @returns {string} Returns the converted string.
+     * @example
+     *
+     * _.upperFirst('fred');
+     * // => 'Fred'
+     *
+     * _.upperFirst('FRED');
+     * // => 'FRED'
+     */
+    var upperFirst = createCaseFirst('toUpperCase');
+
+    /**
+     * Splits `string` into an array of its words.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category String
+     * @param {string} [string=''] The string to inspect.
+     * @param {RegExp|string} [pattern] The pattern to match words.
+     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+     * @returns {Array} Returns the words of `string`.
+     * @example
+     *
+     * _.words('fred, barney, & pebbles');
+     * // => ['fred', 'barney', 'pebbles']
+     *
+     * _.words('fred, barney, & pebbles', /[^, ]+/g);
+     * // => ['fred', 'barney', '&', 'pebbles']
+     */
+    function words(string, pattern, guard) {
+      string = toString(string);
+      pattern = guard ? undefined : pattern;
+
+      if (pattern === undefined) {
+        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+      }
+      return string.match(pattern) || [];
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Attempts to invoke `func`, returning either the result or the caught error
+     * object. Any additional arguments are provided to `func` when it's invoked.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Function} func The function to attempt.
+     * @param {...*} [args] The arguments to invoke `func` with.
+     * @returns {*} Returns the `func` result or error object.
+     * @example
+     *
+     * // Avoid throwing errors for invalid selectors.
+     * var elements = _.attempt(function(selector) {
+     *   return document.querySelectorAll(selector);
+     * }, '>_>');
+     *
+     * if (_.isError(elements)) {
+     *   elements = [];
+     * }
+     */
+    var attempt = baseRest(function(func, args) {
+      try {
+        return apply(func, undefined, args);
+      } catch (e) {
+        return isError(e) ? e : new Error(e);
+      }
+    });
+
+    /**
+     * Binds methods of an object to the object itself, overwriting the existing
+     * method.
+     *
+     * **Note:** This method doesn't set the "length" property of bound functions.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Object} object The object to bind and assign the bound methods to.
+     * @param {...(string|string[])} methodNames The object method names to bind.
+     * @returns {Object} Returns `object`.
+     * @example
+     *
+     * var view = {
+     *   'label': 'docs',
+     *   'click': function() {
+     *     console.log('clicked ' + this.label);
+     *   }
+     * };
+     *
+     * _.bindAll(view, ['click']);
+     * jQuery(element).on('click', view.click);
+     * // => Logs 'clicked docs' when clicked.
+     */
+    var bindAll = flatRest(function(object, methodNames) {
+      arrayEach(methodNames, function(key) {
+        key = toKey(key);
+        baseAssignValue(object, key, bind(object[key], object));
+      });
+      return object;
+    });
+
+    /**
+     * Creates a function that iterates over `pairs` and invokes the corresponding
+     * function of the first predicate to return truthy. The predicate-function
+     * pairs are invoked with the `this` binding and arguments of the created
+     * function.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Array} pairs The predicate-function pairs.
+     * @returns {Function} Returns the new composite function.
+     * @example
+     *
+     * var func = _.cond([
+     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
+     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
+     *   [_.stubTrue,                      _.constant('no match')]
+     * ]);
+     *
+     * func({ 'a': 1, 'b': 2 });
+     * // => 'matches A'
+     *
+     * func({ 'a': 0, 'b': 1 });
+     * // => 'matches B'
+     *
+     * func({ 'a': '1', 'b': '2' });
+     * // => 'no match'
+     */
+    function cond(pairs) {
+      var length = pairs == null ? 0 : pairs.length,
+          toIteratee = getIteratee();
+
+      pairs = !length ? [] : arrayMap(pairs, function(pair) {
+        if (typeof pair[1] != 'function') {
+          throw new TypeError(FUNC_ERROR_TEXT);
+        }
+        return [toIteratee(pair[0]), pair[1]];
+      });
+
+      return baseRest(function(args) {
+        var index = -1;
+        while (++index < length) {
+          var pair = pairs[index];
+          if (apply(pair[0], this, args)) {
+            return apply(pair[1], this, args);
+          }
+        }
+      });
+    }
+
+    /**
+     * Creates a function that invokes the predicate properties of `source` with
+     * the corresponding property values of a given object, returning `true` if
+     * all predicates return truthy, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.conformsTo` with
+     * `source` partially applied.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {Object} source The object of property predicates to conform to.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 2, 'b': 1 },
+     *   { 'a': 1, 'b': 2 }
+     * ];
+     *
+     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
+     * // => [{ 'a': 1, 'b': 2 }]
+     */
+    function conforms(source) {
+      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that returns `value`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {*} value The value to return from the new function.
+     * @returns {Function} Returns the new constant function.
+     * @example
+     *
+     * var objects = _.times(2, _.constant({ 'a': 1 }));
+     *
+     * console.log(objects);
+     * // => [{ 'a': 1 }, { 'a': 1 }]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => true
+     */
+    function constant(value) {
+      return function() {
+        return value;
+      };
+    }
+
+    /**
+     * Checks `value` to determine whether a default value should be returned in
+     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
+     * or `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.14.0
+     * @category Util
+     * @param {*} value The value to check.
+     * @param {*} defaultValue The default value.
+     * @returns {*} Returns the resolved value.
+     * @example
+     *
+     * _.defaultTo(1, 10);
+     * // => 1
+     *
+     * _.defaultTo(undefined, 10);
+     * // => 10
+     */
+    function defaultTo(value, defaultValue) {
+      return (value == null || value !== value) ? defaultValue : value;
+    }
+
+    /**
+     * Creates a function that returns the result of invoking the given functions
+     * with the `this` binding of the created function, where each successive
+     * invocation is supplied the return value of the previous.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flowRight
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flow([_.add, square]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flow = createFlow();
+
+    /**
+     * This method is like `_.flow` except that it creates a function that
+     * invokes the given functions from right to left.
+     *
+     * @static
+     * @since 3.0.0
+     * @memberOf _
+     * @category Util
+     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+     * @returns {Function} Returns the new composite function.
+     * @see _.flow
+     * @example
+     *
+     * function square(n) {
+     *   return n * n;
+     * }
+     *
+     * var addSquare = _.flowRight([square, _.add]);
+     * addSquare(1, 2);
+     * // => 9
+     */
+    var flowRight = createFlow(true);
+
+    /**
+     * This method returns the first argument it receives.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {*} value Any value.
+     * @returns {*} Returns `value`.
+     * @example
+     *
+     * var object = { 'a': 1 };
+     *
+     * console.log(_.identity(object) === object);
+     * // => true
+     */
+    function identity(value) {
+      return value;
+    }
+
+    /**
+     * Creates a function that invokes `func` with the arguments of the created
+     * function. If `func` is a property name, the created function returns the
+     * property value for a given element. If `func` is an array or object, the
+     * created function returns `true` for elements that contain the equivalent
+     * source properties, otherwise it returns `false`.
+     *
+     * @static
+     * @since 4.0.0
+     * @memberOf _
+     * @category Util
+     * @param {*} [func=_.identity] The value to convert to a callback.
+     * @returns {Function} Returns the callback.
+     * @example
+     *
+     * var users = [
+     *   { 'user': 'barney', 'age': 36, 'active': true },
+     *   { 'user': 'fred',   'age': 40, 'active': false }
+     * ];
+     *
+     * // The `_.matches` iteratee shorthand.
+     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+     *
+     * // The `_.matchesProperty` iteratee shorthand.
+     * _.filter(users, _.iteratee(['user', 'fred']));
+     * // => [{ 'user': 'fred', 'age': 40 }]
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.map(users, _.iteratee('user'));
+     * // => ['barney', 'fred']
+     *
+     * // Create custom iteratee shorthands.
+     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+     *     return func.test(string);
+     *   };
+     * });
+     *
+     * _.filter(['abc', 'def'], /ef/);
+     * // => ['def']
+     */
+    function iteratee(func) {
+      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between a given
+     * object and `source`, returning `true` if the given object has equivalent
+     * property values, else `false`.
+     *
+     * **Note:** The created function is equivalent to `_.isMatch` with `source`
+     * partially applied.
+     *
+     * Partial comparisons will match empty array and empty object `source`
+     * values against any array or object value, respectively. See `_.isEqual`
+     * for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} source The object of property values to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+     */
+    function matches(source) {
+      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that performs a partial deep comparison between the
+     * value at `path` of a given object to `srcValue`, returning `true` if the
+     * object value is equivalent, else `false`.
+     *
+     * **Note:** Partial comparisons will match empty array and empty object
+     * `srcValue` values against any array or object value, respectively. See
+     * `_.isEqual` for a list of supported value comparisons.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.2.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @param {*} srcValue The value to match.
+     * @returns {Function} Returns the new spec function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': 1, 'b': 2, 'c': 3 },
+     *   { 'a': 4, 'b': 5, 'c': 6 }
+     * ];
+     *
+     * _.find(objects, _.matchesProperty('a', 4));
+     * // => { 'a': 4, 'b': 5, 'c': 6 }
+     */
+    function matchesProperty(path, srcValue) {
+      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+    }
+
+    /**
+     * Creates a function that invokes the method at `path` of a given object.
+     * Any additional arguments are provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Array|string} path The path of the method to invoke.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': _.constant(2) } },
+     *   { 'a': { 'b': _.constant(1) } }
+     * ];
+     *
+     * _.map(objects, _.method('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(objects, _.method(['a', 'b']));
+     * // => [2, 1]
+     */
+    var method = baseRest(function(path, args) {
+      return function(object) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * The opposite of `_.method`; this method creates a function that invokes
+     * the method at a given path of `object`. Any additional arguments are
+     * provided to the invoked method.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.7.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @param {...*} [args] The arguments to invoke the method with.
+     * @returns {Function} Returns the new invoker function.
+     * @example
+     *
+     * var array = _.times(3, _.constant),
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+     * // => [2, 0]
+     */
+    var methodOf = baseRest(function(object, args) {
+      return function(path) {
+        return baseInvoke(object, path, args);
+      };
+    });
+
+    /**
+     * Adds all own enumerable string keyed function properties of a source
+     * object to the destination object. If `object` is a function, then methods
+     * are added to its prototype as well.
+     *
+     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+     * avoid conflicts caused by modifying the original.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {Function|Object} [object=lodash] The destination object.
+     * @param {Object} source The object of functions to add.
+     * @param {Object} [options={}] The options object.
+     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+     * @returns {Function|Object} Returns `object`.
+     * @example
+     *
+     * function vowels(string) {
+     *   return _.filter(string, function(v) {
+     *     return /[aeiou]/i.test(v);
+     *   });
+     * }
+     *
+     * _.mixin({ 'vowels': vowels });
+     * _.vowels('fred');
+     * // => ['e']
+     *
+     * _('fred').vowels().value();
+     * // => ['e']
+     *
+     * _.mixin({ 'vowels': vowels }, { 'chain': false });
+     * _('fred').vowels();
+     * // => ['e']
+     */
+    function mixin(object, source, options) {
+      var props = keys(source),
+          methodNames = baseFunctions(source, props);
+
+      if (options == null &&
+          !(isObject(source) && (methodNames.length || !props.length))) {
+        options = source;
+        source = object;
+        object = this;
+        methodNames = baseFunctions(source, keys(source));
+      }
+      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+          isFunc = isFunction(object);
+
+      arrayEach(methodNames, function(methodName) {
+        var func = source[methodName];
+        object[methodName] = func;
+        if (isFunc) {
+          object.prototype[methodName] = function() {
+            var chainAll = this.__chain__;
+            if (chain || chainAll) {
+              var result = object(this.__wrapped__),
+                  actions = result.__actions__ = copyArray(this.__actions__);
+
+              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+              result.__chain__ = chainAll;
+              return result;
+            }
+            return func.apply(object, arrayPush([this.value()], arguments));
+          };
+        }
+      });
+
+      return object;
+    }
+
+    /**
+     * Reverts the `_` variable to its previous value and returns a reference to
+     * the `lodash` function.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @returns {Function} Returns the `lodash` function.
+     * @example
+     *
+     * var lodash = _.noConflict();
+     */
+    function noConflict() {
+      if (root._ === this) {
+        root._ = oldDash;
+      }
+      return this;
+    }
+
+    /**
+     * This method returns `undefined`.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.3.0
+     * @category Util
+     * @example
+     *
+     * _.times(2, _.noop);
+     * // => [undefined, undefined]
+     */
+    function noop() {
+      // No operation performed.
+    }
+
+    /**
+     * Creates a function that gets the argument at index `n`. If `n` is negative,
+     * the nth argument from the end is returned.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [n=0] The index of the argument to return.
+     * @returns {Function} Returns the new pass-thru function.
+     * @example
+     *
+     * var func = _.nthArg(1);
+     * func('a', 'b', 'c', 'd');
+     * // => 'b'
+     *
+     * var func = _.nthArg(-2);
+     * func('a', 'b', 'c', 'd');
+     * // => 'c'
+     */
+    function nthArg(n) {
+      n = toInteger(n);
+      return baseRest(function(args) {
+        return baseNth(args, n);
+      });
+    }
+
+    /**
+     * Creates a function that invokes `iteratees` with the arguments it receives
+     * and returns their results.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+     *  The iteratees to invoke.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.over([Math.max, Math.min]);
+     *
+     * func(1, 2, 3, 4);
+     * // => [4, 1]
+     */
+    var over = createOver(arrayMap);
+
+    /**
+     * Creates a function that checks if **all** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overEvery([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => false
+     *
+     * func(NaN);
+     * // => false
+     */
+    var overEvery = createOver(arrayEvery);
+
+    /**
+     * Creates a function that checks if **any** of the `predicates` return
+     * truthy when invoked with the arguments it receives.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {...(Function|Function[])} [predicates=[_.identity]]
+     *  The predicates to check.
+     * @returns {Function} Returns the new function.
+     * @example
+     *
+     * var func = _.overSome([Boolean, isFinite]);
+     *
+     * func('1');
+     * // => true
+     *
+     * func(null);
+     * // => true
+     *
+     * func(NaN);
+     * // => false
+     */
+    var overSome = createOver(arraySome);
+
+    /**
+     * Creates a function that returns the value at `path` of a given object.
+     *
+     * @static
+     * @memberOf _
+     * @since 2.4.0
+     * @category Util
+     * @param {Array|string} path The path of the property to get.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var objects = [
+     *   { 'a': { 'b': 2 } },
+     *   { 'a': { 'b': 1 } }
+     * ];
+     *
+     * _.map(objects, _.property('a.b'));
+     * // => [2, 1]
+     *
+     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+     * // => [1, 2]
+     */
+    function property(path) {
+      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+    }
+
+    /**
+     * The opposite of `_.property`; this method creates a function that returns
+     * the value at a given path of `object`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.0.0
+     * @category Util
+     * @param {Object} object The object to query.
+     * @returns {Function} Returns the new accessor function.
+     * @example
+     *
+     * var array = [0, 1, 2],
+     *     object = { 'a': array, 'b': array, 'c': array };
+     *
+     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+     * // => [2, 0]
+     *
+     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+     * // => [2, 0]
+     */
+    function propertyOf(object) {
+      return function(path) {
+        return object == null ? undefined : baseGet(object, path);
+      };
+    }
+
+    /**
+     * Creates an array of numbers (positive and/or negative) progressing from
+     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
+     * `start` is specified without an `end` or `step`. If `end` is not specified,
+     * it's set to `start` with `start` then set to `0`.
+     *
+     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+     * floating-point values which can produce unexpected results.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.rangeRight
+     * @example
+     *
+     * _.range(4);
+     * // => [0, 1, 2, 3]
+     *
+     * _.range(-4);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 5);
+     * // => [1, 2, 3, 4]
+     *
+     * _.range(0, 20, 5);
+     * // => [0, 5, 10, 15]
+     *
+     * _.range(0, -4, -1);
+     * // => [0, -1, -2, -3]
+     *
+     * _.range(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.range(0);
+     * // => []
+     */
+    var range = createRange();
+
+    /**
+     * This method is like `_.range` except that it populates values in
+     * descending order.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {number} [start=0] The start of the range.
+     * @param {number} end The end of the range.
+     * @param {number} [step=1] The value to increment or decrement by.
+     * @returns {Array} Returns the range of numbers.
+     * @see _.inRange, _.range
+     * @example
+     *
+     * _.rangeRight(4);
+     * // => [3, 2, 1, 0]
+     *
+     * _.rangeRight(-4);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 5);
+     * // => [4, 3, 2, 1]
+     *
+     * _.rangeRight(0, 20, 5);
+     * // => [15, 10, 5, 0]
+     *
+     * _.rangeRight(0, -4, -1);
+     * // => [-3, -2, -1, 0]
+     *
+     * _.rangeRight(1, 4, 0);
+     * // => [1, 1, 1]
+     *
+     * _.rangeRight(0);
+     * // => []
+     */
+    var rangeRight = createRange(true);
+
+    /**
+     * This method returns a new empty array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Array} Returns the new empty array.
+     * @example
+     *
+     * var arrays = _.times(2, _.stubArray);
+     *
+     * console.log(arrays);
+     * // => [[], []]
+     *
+     * console.log(arrays[0] === arrays[1]);
+     * // => false
+     */
+    function stubArray() {
+      return [];
+    }
+
+    /**
+     * This method returns `false`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `false`.
+     * @example
+     *
+     * _.times(2, _.stubFalse);
+     * // => [false, false]
+     */
+    function stubFalse() {
+      return false;
+    }
+
+    /**
+     * This method returns a new empty object.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {Object} Returns the new empty object.
+     * @example
+     *
+     * var objects = _.times(2, _.stubObject);
+     *
+     * console.log(objects);
+     * // => [{}, {}]
+     *
+     * console.log(objects[0] === objects[1]);
+     * // => false
+     */
+    function stubObject() {
+      return {};
+    }
+
+    /**
+     * This method returns an empty string.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {string} Returns the empty string.
+     * @example
+     *
+     * _.times(2, _.stubString);
+     * // => ['', '']
+     */
+    function stubString() {
+      return '';
+    }
+
+    /**
+     * This method returns `true`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.13.0
+     * @category Util
+     * @returns {boolean} Returns `true`.
+     * @example
+     *
+     * _.times(2, _.stubTrue);
+     * // => [true, true]
+     */
+    function stubTrue() {
+      return true;
+    }
+
+    /**
+     * Invokes the iteratee `n` times, returning an array of the results of
+     * each invocation. The iteratee is invoked with one argument; (index).
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {number} n The number of times to invoke `iteratee`.
+     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+     * @returns {Array} Returns the array of results.
+     * @example
+     *
+     * _.times(3, String);
+     * // => ['0', '1', '2']
+     *
+     *  _.times(4, _.constant(0));
+     * // => [0, 0, 0, 0]
+     */
+    function times(n, iteratee) {
+      n = toInteger(n);
+      if (n < 1 || n > MAX_SAFE_INTEGER) {
+        return [];
+      }
+      var index = MAX_ARRAY_LENGTH,
+          length = nativeMin(n, MAX_ARRAY_LENGTH);
+
+      iteratee = getIteratee(iteratee);
+      n -= MAX_ARRAY_LENGTH;
+
+      var result = baseTimes(length, iteratee);
+      while (++index < n) {
+        iteratee(index);
+      }
+      return result;
+    }
+
+    /**
+     * Converts `value` to a property path array.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Util
+     * @param {*} value The value to convert.
+     * @returns {Array} Returns the new property path array.
+     * @example
+     *
+     * _.toPath('a.b.c');
+     * // => ['a', 'b', 'c']
+     *
+     * _.toPath('a[0].b.c');
+     * // => ['a', '0', 'b', 'c']
+     */
+    function toPath(value) {
+      if (isArray(value)) {
+        return arrayMap(value, toKey);
+      }
+      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+    }
+
+    /**
+     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Util
+     * @param {string} [prefix=''] The value to prefix the ID with.
+     * @returns {string} Returns the unique ID.
+     * @example
+     *
+     * _.uniqueId('contact_');
+     * // => 'contact_104'
+     *
+     * _.uniqueId();
+     * // => '105'
+     */
+    function uniqueId(prefix) {
+      var id = ++idCounter;
+      return toString(prefix) + id;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * Adds two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {number} augend The first number in an addition.
+     * @param {number} addend The second number in an addition.
+     * @returns {number} Returns the total.
+     * @example
+     *
+     * _.add(6, 4);
+     * // => 10
+     */
+    var add = createMathOperation(function(augend, addend) {
+      return augend + addend;
+    }, 0);
+
+    /**
+     * Computes `number` rounded up to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round up.
+     * @param {number} [precision=0] The precision to round up to.
+     * @returns {number} Returns the rounded up number.
+     * @example
+     *
+     * _.ceil(4.006);
+     * // => 5
+     *
+     * _.ceil(6.004, 2);
+     * // => 6.01
+     *
+     * _.ceil(6040, -2);
+     * // => 6100
+     */
+    var ceil = createRound('ceil');
+
+    /**
+     * Divide two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} dividend The first number in a division.
+     * @param {number} divisor The second number in a division.
+     * @returns {number} Returns the quotient.
+     * @example
+     *
+     * _.divide(6, 4);
+     * // => 1.5
+     */
+    var divide = createMathOperation(function(dividend, divisor) {
+      return dividend / divisor;
+    }, 1);
+
+    /**
+     * Computes `number` rounded down to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round down.
+     * @param {number} [precision=0] The precision to round down to.
+     * @returns {number} Returns the rounded down number.
+     * @example
+     *
+     * _.floor(4.006);
+     * // => 4
+     *
+     * _.floor(0.046, 2);
+     * // => 0.04
+     *
+     * _.floor(4060, -2);
+     * // => 4000
+     */
+    var floor = createRound('floor');
+
+    /**
+     * Computes the maximum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * _.max([4, 2, 8, 6]);
+     * // => 8
+     *
+     * _.max([]);
+     * // => undefined
+     */
+    function max(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseGt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.max` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the maximum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.maxBy(objects, function(o) { return o.n; });
+     * // => { 'n': 2 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.maxBy(objects, 'n');
+     * // => { 'n': 2 }
+     */
+    function maxBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
+        : undefined;
+    }
+
+    /**
+     * Computes the mean of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * _.mean([4, 2, 8, 6]);
+     * // => 5
+     */
+    function mean(array) {
+      return baseMean(array, identity);
+    }
+
+    /**
+     * This method is like `_.mean` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be averaged.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the mean.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.meanBy(objects, function(o) { return o.n; });
+     * // => 5
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.meanBy(objects, 'n');
+     * // => 5
+     */
+    function meanBy(array, iteratee) {
+      return baseMean(array, getIteratee(iteratee, 2));
+    }
+
+    /**
+     * Computes the minimum value of `array`. If `array` is empty or falsey,
+     * `undefined` is returned.
+     *
+     * @static
+     * @since 0.1.0
+     * @memberOf _
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * _.min([4, 2, 8, 6]);
+     * // => 2
+     *
+     * _.min([]);
+     * // => undefined
+     */
+    function min(array) {
+      return (array && array.length)
+        ? baseExtremum(array, identity, baseLt)
+        : undefined;
+    }
+
+    /**
+     * This method is like `_.min` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the criterion by which
+     * the value is ranked. The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {*} Returns the minimum value.
+     * @example
+     *
+     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+     *
+     * _.minBy(objects, function(o) { return o.n; });
+     * // => { 'n': 1 }
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.minBy(objects, 'n');
+     * // => { 'n': 1 }
+     */
+    function minBy(array, iteratee) {
+      return (array && array.length)
+        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
+        : undefined;
+    }
+
+    /**
+     * Multiply two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.7.0
+     * @category Math
+     * @param {number} multiplier The first number in a multiplication.
+     * @param {number} multiplicand The second number in a multiplication.
+     * @returns {number} Returns the product.
+     * @example
+     *
+     * _.multiply(6, 4);
+     * // => 24
+     */
+    var multiply = createMathOperation(function(multiplier, multiplicand) {
+      return multiplier * multiplicand;
+    }, 1);
+
+    /**
+     * Computes `number` rounded to `precision`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.10.0
+     * @category Math
+     * @param {number} number The number to round.
+     * @param {number} [precision=0] The precision to round to.
+     * @returns {number} Returns the rounded number.
+     * @example
+     *
+     * _.round(4.006);
+     * // => 4
+     *
+     * _.round(4.006, 2);
+     * // => 4.01
+     *
+     * _.round(4060, -2);
+     * // => 4100
+     */
+    var round = createRound('round');
+
+    /**
+     * Subtract two numbers.
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {number} minuend The first number in a subtraction.
+     * @param {number} subtrahend The second number in a subtraction.
+     * @returns {number} Returns the difference.
+     * @example
+     *
+     * _.subtract(6, 4);
+     * // => 2
+     */
+    var subtract = createMathOperation(function(minuend, subtrahend) {
+      return minuend - subtrahend;
+    }, 0);
+
+    /**
+     * Computes the sum of the values in `array`.
+     *
+     * @static
+     * @memberOf _
+     * @since 3.4.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * _.sum([4, 2, 8, 6]);
+     * // => 20
+     */
+    function sum(array) {
+      return (array && array.length)
+        ? baseSum(array, identity)
+        : 0;
+    }
+
+    /**
+     * This method is like `_.sum` except that it accepts `iteratee` which is
+     * invoked for each element in `array` to generate the value to be summed.
+     * The iteratee is invoked with one argument: (value).
+     *
+     * @static
+     * @memberOf _
+     * @since 4.0.0
+     * @category Math
+     * @param {Array} array The array to iterate over.
+     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+     * @returns {number} Returns the sum.
+     * @example
+     *
+     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+     *
+     * _.sumBy(objects, function(o) { return o.n; });
+     * // => 20
+     *
+     * // The `_.property` iteratee shorthand.
+     * _.sumBy(objects, 'n');
+     * // => 20
+     */
+    function sumBy(array, iteratee) {
+      return (array && array.length)
+        ? baseSum(array, getIteratee(iteratee, 2))
+        : 0;
+    }
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return wrapped values in chain sequences.
+    lodash.after = after;
+    lodash.ary = ary;
+    lodash.assign = assign;
+    lodash.assignIn = assignIn;
+    lodash.assignInWith = assignInWith;
+    lodash.assignWith = assignWith;
+    lodash.at = at;
+    lodash.before = before;
+    lodash.bind = bind;
+    lodash.bindAll = bindAll;
+    lodash.bindKey = bindKey;
+    lodash.castArray = castArray;
+    lodash.chain = chain;
+    lodash.chunk = chunk;
+    lodash.compact = compact;
+    lodash.concat = concat;
+    lodash.cond = cond;
+    lodash.conforms = conforms;
+    lodash.constant = constant;
+    lodash.countBy = countBy;
+    lodash.create = create;
+    lodash.curry = curry;
+    lodash.curryRight = curryRight;
+    lodash.debounce = debounce;
+    lodash.defaults = defaults;
+    lodash.defaultsDeep = defaultsDeep;
+    lodash.defer = defer;
+    lodash.delay = delay;
+    lodash.difference = difference;
+    lodash.differenceBy = differenceBy;
+    lodash.differenceWith = differenceWith;
+    lodash.drop = drop;
+    lodash.dropRight = dropRight;
+    lodash.dropRightWhile = dropRightWhile;
+    lodash.dropWhile = dropWhile;
+    lodash.fill = fill;
+    lodash.filter = filter;
+    lodash.flatMap = flatMap;
+    lodash.flatMapDeep = flatMapDeep;
+    lodash.flatMapDepth = flatMapDepth;
+    lodash.flatten = flatten;
+    lodash.flattenDeep = flattenDeep;
+    lodash.flattenDepth = flattenDepth;
+    lodash.flip = flip;
+    lodash.flow = flow;
+    lodash.flowRight = flowRight;
+    lodash.fromPairs = fromPairs;
+    lodash.functions = functions;
+    lodash.functionsIn = functionsIn;
+    lodash.groupBy = groupBy;
+    lodash.initial = initial;
+    lodash.intersection = intersection;
+    lodash.intersectionBy = intersectionBy;
+    lodash.intersectionWith = intersectionWith;
+    lodash.invert = invert;
+    lodash.invertBy = invertBy;
+    lodash.invokeMap = invokeMap;
+    lodash.iteratee = iteratee;
+    lodash.keyBy = keyBy;
+    lodash.keys = keys;
+    lodash.keysIn = keysIn;
+    lodash.map = map;
+    lodash.mapKeys = mapKeys;
+    lodash.mapValues = mapValues;
+    lodash.matches = matches;
+    lodash.matchesProperty = matchesProperty;
+    lodash.memoize = memoize;
+    lodash.merge = merge;
+    lodash.mergeWith = mergeWith;
+    lodash.method = method;
+    lodash.methodOf = methodOf;
+    lodash.mixin = mixin;
+    lodash.negate = negate;
+    lodash.nthArg = nthArg;
+    lodash.omit = omit;
+    lodash.omitBy = omitBy;
+    lodash.once = once;
+    lodash.orderBy = orderBy;
+    lodash.over = over;
+    lodash.overArgs = overArgs;
+    lodash.overEvery = overEvery;
+    lodash.overSome = overSome;
+    lodash.partial = partial;
+    lodash.partialRight = partialRight;
+    lodash.partition = partition;
+    lodash.pick = pick;
+    lodash.pickBy = pickBy;
+    lodash.property = property;
+    lodash.propertyOf = propertyOf;
+    lodash.pull = pull;
+    lodash.pullAll = pullAll;
+    lodash.pullAllBy = pullAllBy;
+    lodash.pullAllWith = pullAllWith;
+    lodash.pullAt = pullAt;
+    lodash.range = range;
+    lodash.rangeRight = rangeRight;
+    lodash.rearg = rearg;
+    lodash.reject = reject;
+    lodash.remove = remove;
+    lodash.rest = rest;
+    lodash.reverse = reverse;
+    lodash.sampleSize = sampleSize;
+    lodash.set = set;
+    lodash.setWith = setWith;
+    lodash.shuffle = shuffle;
+    lodash.slice = slice;
+    lodash.sortBy = sortBy;
+    lodash.sortedUniq = sortedUniq;
+    lodash.sortedUniqBy = sortedUniqBy;
+    lodash.split = split;
+    lodash.spread = spread;
+    lodash.tail = tail;
+    lodash.take = take;
+    lodash.takeRight = takeRight;
+    lodash.takeRightWhile = takeRightWhile;
+    lodash.takeWhile = takeWhile;
+    lodash.tap = tap;
+    lodash.throttle = throttle;
+    lodash.thru = thru;
+    lodash.toArray = toArray;
+    lodash.toPairs = toPairs;
+    lodash.toPairsIn = toPairsIn;
+    lodash.toPath = toPath;
+    lodash.toPlainObject = toPlainObject;
+    lodash.transform = transform;
+    lodash.unary = unary;
+    lodash.union = union;
+    lodash.unionBy = unionBy;
+    lodash.unionWith = unionWith;
+    lodash.uniq = uniq;
+    lodash.uniqBy = uniqBy;
+    lodash.uniqWith = uniqWith;
+    lodash.unset = unset;
+    lodash.unzip = unzip;
+    lodash.unzipWith = unzipWith;
+    lodash.update = update;
+    lodash.updateWith = updateWith;
+    lodash.values = values;
+    lodash.valuesIn = valuesIn;
+    lodash.without = without;
+    lodash.words = words;
+    lodash.wrap = wrap;
+    lodash.xor = xor;
+    lodash.xorBy = xorBy;
+    lodash.xorWith = xorWith;
+    lodash.zip = zip;
+    lodash.zipObject = zipObject;
+    lodash.zipObjectDeep = zipObjectDeep;
+    lodash.zipWith = zipWith;
+
+    // Add aliases.
+    lodash.entries = toPairs;
+    lodash.entriesIn = toPairsIn;
+    lodash.extend = assignIn;
+    lodash.extendWith = assignInWith;
+
+    // Add methods to `lodash.prototype`.
+    mixin(lodash, lodash);
+
+    /*------------------------------------------------------------------------*/
+
+    // Add methods that return unwrapped values in chain sequences.
+    lodash.add = add;
+    lodash.attempt = attempt;
+    lodash.camelCase = camelCase;
+    lodash.capitalize = capitalize;
+    lodash.ceil = ceil;
+    lodash.clamp = clamp;
+    lodash.clone = clone;
+    lodash.cloneDeep = cloneDeep;
+    lodash.cloneDeepWith = cloneDeepWith;
+    lodash.cloneWith = cloneWith;
+    lodash.conformsTo = conformsTo;
+    lodash.deburr = deburr;
+    lodash.defaultTo = defaultTo;
+    lodash.divide = divide;
+    lodash.endsWith = endsWith;
+    lodash.eq = eq;
+    lodash.escape = escape;
+    lodash.escapeRegExp = escapeRegExp;
+    lodash.every = every;
+    lodash.find = find;
+    lodash.findIndex = findIndex;
+    lodash.findKey = findKey;
+    lodash.findLast = findLast;
+    lodash.findLastIndex = findLastIndex;
+    lodash.findLastKey = findLastKey;
+    lodash.floor = floor;
+    lodash.forEach = forEach;
+    lodash.forEachRight = forEachRight;
+    lodash.forIn = forIn;
+    lodash.forInRight = forInRight;
+    lodash.forOwn = forOwn;
+    lodash.forOwnRight = forOwnRight;
+    lodash.get = get;
+    lodash.gt = gt;
+    lodash.gte = gte;
+    lodash.has = has;
+    lodash.hasIn = hasIn;
+    lodash.head = head;
+    lodash.identity = identity;
+    lodash.includes = includes;
+    lodash.indexOf = indexOf;
+    lodash.inRange = inRange;
+    lodash.invoke = invoke;
+    lodash.isArguments = isArguments;
+    lodash.isArray = isArray;
+    lodash.isArrayBuffer = isArrayBuffer;
+    lodash.isArrayLike = isArrayLike;
+    lodash.isArrayLikeObject = isArrayLikeObject;
+    lodash.isBoolean = isBoolean;
+    lodash.isBuffer = isBuffer;
+    lodash.isDate = isDate;
+    lodash.isElement = isElement;
+    lodash.isEmpty = isEmpty;
+    lodash.isEqual = isEqual;
+    lodash.isEqualWith = isEqualWith;
+    lodash.isError = isError;
+    lodash.isFinite = isFinite;
+    lodash.isFunction = isFunction;
+    lodash.isInteger = isInteger;
+    lodash.isLength = isLength;
+    lodash.isMap = isMap;
+    lodash.isMatch = isMatch;
+    lodash.isMatchWith = isMatchWith;
+    lodash.isNaN = isNaN;
+    lodash.isNative = isNative;
+    lodash.isNil = isNil;
+    lodash.isNull = isNull;
+    lodash.isNumber = isNumber;
+    lodash.isObject = isObject;
+    lodash.isObjectLike = isObjectLike;
+    lodash.isPlainObject = isPlainObject;
+    lodash.isRegExp = isRegExp;
+    lodash.isSafeInteger = isSafeInteger;
+    lodash.isSet = isSet;
+    lodash.isString = isString;
+    lodash.isSymbol = isSymbol;
+    lodash.isTypedArray = isTypedArray;
+    lodash.isUndefined = isUndefined;
+    lodash.isWeakMap = isWeakMap;
+    lodash.isWeakSet = isWeakSet;
+    lodash.join = join;
+    lodash.kebabCase = kebabCase;
+    lodash.last = last;
+    lodash.lastIndexOf = lastIndexOf;
+    lodash.lowerCase = lowerCase;
+    lodash.lowerFirst = lowerFirst;
+    lodash.lt = lt;
+    lodash.lte = lte;
+    lodash.max = max;
+    lodash.maxBy = maxBy;
+    lodash.mean = mean;
+    lodash.meanBy = meanBy;
+    lodash.min = min;
+    lodash.minBy = minBy;
+    lodash.stubArray = stubArray;
+    lodash.stubFalse = stubFalse;
+    lodash.stubObject = stubObject;
+    lodash.stubString = stubString;
+    lodash.stubTrue = stubTrue;
+    lodash.multiply = multiply;
+    lodash.nth = nth;
+    lodash.noConflict = noConflict;
+    lodash.noop = noop;
+    lodash.now = now;
+    lodash.pad = pad;
+    lodash.padEnd = padEnd;
+    lodash.padStart = padStart;
+    lodash.parseInt = parseInt;
+    lodash.random = random;
+    lodash.reduce = reduce;
+    lodash.reduceRight = reduceRight;
+    lodash.repeat = repeat;
+    lodash.replace = replace;
+    lodash.result = result;
+    lodash.round = round;
+    lodash.runInContext = runInContext;
+    lodash.sample = sample;
+    lodash.size = size;
+    lodash.snakeCase = snakeCase;
+    lodash.some = some;
+    lodash.sortedIndex = sortedIndex;
+    lodash.sortedIndexBy = sortedIndexBy;
+    lodash.sortedIndexOf = sortedIndexOf;
+    lodash.sortedLastIndex = sortedLastIndex;
+    lodash.sortedLastIndexBy = sortedLastIndexBy;
+    lodash.sortedLastIndexOf = sortedLastIndexOf;
+    lodash.startCase = startCase;
+    lodash.startsWith = startsWith;
+    lodash.subtract = subtract;
+    lodash.sum = sum;
+    lodash.sumBy = sumBy;
+    lodash.template = template;
+    lodash.times = times;
+    lodash.toFinite = toFinite;
+    lodash.toInteger = toInteger;
+    lodash.toLength = toLength;
+    lodash.toLower = toLower;
+    lodash.toNumber = toNumber;
+    lodash.toSafeInteger = toSafeInteger;
+    lodash.toString = toString;
+    lodash.toUpper = toUpper;
+    lodash.trim = trim;
+    lodash.trimEnd = trimEnd;
+    lodash.trimStart = trimStart;
+    lodash.truncate = truncate;
+    lodash.unescape = unescape;
+    lodash.uniqueId = uniqueId;
+    lodash.upperCase = upperCase;
+    lodash.upperFirst = upperFirst;
+
+    // Add aliases.
+    lodash.each = forEach;
+    lodash.eachRight = forEachRight;
+    lodash.first = head;
+
+    mixin(lodash, (function() {
+      var source = {};
+      baseForOwn(lodash, function(func, methodName) {
+        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
+          source[methodName] = func;
+        }
+      });
+      return source;
+    }()), { 'chain': false });
+
+    /*------------------------------------------------------------------------*/
+
+    /**
+     * The semantic version number.
+     *
+     * @static
+     * @memberOf _
+     * @type {string}
+     */
+    lodash.VERSION = VERSION;
+
+    // Assign default placeholders.
+    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
+      lodash[methodName].placeholder = lodash;
+    });
+
+    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
+    arrayEach(['drop', 'take'], function(methodName, index) {
+      LazyWrapper.prototype[methodName] = function(n) {
+        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
+
+        var result = (this.__filtered__ && !index)
+          ? new LazyWrapper(this)
+          : this.clone();
+
+        if (result.__filtered__) {
+          result.__takeCount__ = nativeMin(n, result.__takeCount__);
+        } else {
+          result.__views__.push({
+            'size': nativeMin(n, MAX_ARRAY_LENGTH),
+            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
+          });
+        }
+        return result;
+      };
+
+      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
+        return this.reverse()[methodName](n).reverse();
+      };
+    });
+
+    // Add `LazyWrapper` methods that accept an `iteratee` value.
+    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
+      var type = index + 1,
+          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;
+
+      LazyWrapper.prototype[methodName] = function(iteratee) {
+        var result = this.clone();
+        result.__iteratees__.push({
+          'iteratee': getIteratee(iteratee, 3),
+          'type': type
+        });
+        result.__filtered__ = result.__filtered__ || isFilter;
+        return result;
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.head` and `_.last`.
+    arrayEach(['head', 'last'], function(methodName, index) {
+      var takeName = 'take' + (index ? 'Right' : '');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this[takeName](1).value()[0];
+      };
+    });
+
+    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
+    arrayEach(['initial', 'tail'], function(methodName, index) {
+      var dropName = 'drop' + (index ? '' : 'Right');
+
+      LazyWrapper.prototype[methodName] = function() {
+        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+      };
+    });
+
+    LazyWrapper.prototype.compact = function() {
+      return this.filter(identity);
+    };
+
+    LazyWrapper.prototype.find = function(predicate) {
+      return this.filter(predicate).head();
+    };
+
+    LazyWrapper.prototype.findLast = function(predicate) {
+      return this.reverse().find(predicate);
+    };
+
+    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
+      if (typeof path == 'function') {
+        return new LazyWrapper(this);
+      }
+      return this.map(function(value) {
+        return baseInvoke(value, path, args);
+      });
+    });
+
+    LazyWrapper.prototype.reject = function(predicate) {
+      return this.filter(negate(getIteratee(predicate)));
+    };
+
+    LazyWrapper.prototype.slice = function(start, end) {
+      start = toInteger(start);
+
+      var result = this;
+      if (result.__filtered__ && (start > 0 || end < 0)) {
+        return new LazyWrapper(result);
+      }
+      if (start < 0) {
+        result = result.takeRight(-start);
+      } else if (start) {
+        result = result.drop(start);
+      }
+      if (end !== undefined) {
+        end = toInteger(end);
+        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
+      }
+      return result;
+    };
+
+    LazyWrapper.prototype.takeRightWhile = function(predicate) {
+      return this.reverse().takeWhile(predicate).reverse();
+    };
+
+    LazyWrapper.prototype.toArray = function() {
+      return this.take(MAX_ARRAY_LENGTH);
+    };
+
+    // Add `LazyWrapper` methods to `lodash.prototype`.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
+          isTaker = /^(?:head|last)$/.test(methodName),
+          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
+          retUnwrapped = isTaker || /^find/.test(methodName);
+
+      if (!lodashFunc) {
+        return;
+      }
+      lodash.prototype[methodName] = function() {
+        var value = this.__wrapped__,
+            args = isTaker ? [1] : arguments,
+            isLazy = value instanceof LazyWrapper,
+            iteratee = args[0],
+            useLazy = isLazy || isArray(value);
+
+        var interceptor = function(value) {
+          var result = lodashFunc.apply(lodash, arrayPush([value], args));
+          return (isTaker && chainAll) ? result[0] : result;
+        };
+
+        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
+          // Avoid lazy use if the iteratee has a "length" value other than `1`.
+          isLazy = useLazy = false;
+        }
+        var chainAll = this.__chain__,
+            isHybrid = !!this.__actions__.length,
+            isUnwrapped = retUnwrapped && !chainAll,
+            onlyLazy = isLazy && !isHybrid;
+
+        if (!retUnwrapped && useLazy) {
+          value = onlyLazy ? value : new LazyWrapper(this);
+          var result = func.apply(value, args);
+          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
+          return new LodashWrapper(result, chainAll);
+        }
+        if (isUnwrapped && onlyLazy) {
+          return func.apply(this, args);
+        }
+        result = this.thru(interceptor);
+        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
+      };
+    });
+
+    // Add `Array` methods to `lodash.prototype`.
+    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+      var func = arrayProto[methodName],
+          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
+          retUnwrapped = /^(?:pop|shift)$/.test(methodName);
+
+      lodash.prototype[methodName] = function() {
+        var args = arguments;
+        if (retUnwrapped && !this.__chain__) {
+          var value = this.value();
+          return func.apply(isArray(value) ? value : [], args);
+        }
+        return this[chainName](function(value) {
+          return func.apply(isArray(value) ? value : [], args);
+        });
+      };
+    });
+
+    // Map minified method names to their real names.
+    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+      var lodashFunc = lodash[methodName];
+      if (lodashFunc) {
+        var key = lodashFunc.name + '';
+        if (!hasOwnProperty.call(realNames, key)) {
+          realNames[key] = [];
+        }
+        realNames[key].push({ 'name': methodName, 'func': lodashFunc });
+      }
+    });
+
+    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
+      'name': 'wrapper',
+      'func': undefined
+    }];
+
+    // Add methods to `LazyWrapper`.
+    LazyWrapper.prototype.clone = lazyClone;
+    LazyWrapper.prototype.reverse = lazyReverse;
+    LazyWrapper.prototype.value = lazyValue;
+
+    // Add chain sequence methods to the `lodash` wrapper.
+    lodash.prototype.at = wrapperAt;
+    lodash.prototype.chain = wrapperChain;
+    lodash.prototype.commit = wrapperCommit;
+    lodash.prototype.next = wrapperNext;
+    lodash.prototype.plant = wrapperPlant;
+    lodash.prototype.reverse = wrapperReverse;
+    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+
+    // Add lazy aliases.
+    lodash.prototype.first = lodash.prototype.head;
+
+    if (symIterator) {
+      lodash.prototype[symIterator] = wrapperToIterator;
+    }
+    return lodash;
+  });
+
+  /*--------------------------------------------------------------------------*/
+
+  // Export lodash.
+  var _ = runInContext();
+
+  // Some AMD build optimizers, like r.js, check for condition patterns like:
+  if (true) {
+    // Expose Lodash on the global object to prevent errors when Lodash is
+    // loaded by a script tag in the presence of an AMD loader.
+    // See http://requirejs.org/docs/errors.html#mismatch for more details.
+    // Use `_.noConflict` to remove Lodash from the global object.
+    root._ = _;
+
+    // Define as an anonymous module so, through path mapping, it can be
+    // referenced as the "underscore" module.
+    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
+      return _;
+    }).call(exports, __webpack_require__, exports, module),
+				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+  }
+  // Check for `exports` after `define` in case a build optimizer adds it.
+  else {}
+}.call(this));
+
+/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(404)(module)))
+
+/***/ }),
+/* 404 */
+/***/ (function(module, exports) {
+
+module.exports = function (module) {
+  if (!module.webpackPolyfill) {
+    module.deprecate = function () {};
+
+    module.paths = []; // module.parent = undefined by default
+
+    if (!module.children) module.children = [];
+    Object.defineProperty(module, "loaded", {
+      enumerable: true,
+      get: function get() {
+        return module.l;
+      }
+    });
+    Object.defineProperty(module, "id", {
+      enumerable: true,
+      get: function get() {
+        return module.i;
+      }
+    });
+    module.webpackPolyfill = 1;
+  }
+
+  return module;
+};
+
+/***/ }),
+/* 405 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Defines environment settings and globals.
+ * @author Elan Shanker
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const globals = __webpack_require__(406); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the object that has difference.
+ * @param {Record<string,boolean>} current The newer object.
+ * @param {Record<string,boolean>} prev The older object.
+ * @returns {Record<string,boolean>} The difference object.
+ */
+
+
+function getDiff(current, prev) {
+  const retv = {};
+
+  for (const [key, value] of Object.entries(current)) {
+    if (!Object.hasOwnProperty.call(prev, key)) {
+      retv[key] = value;
+    }
+  }
+
+  return retv;
+}
+
+const newGlobals2015 = getDiff(globals.es2015, globals.es5); // 19 variables such as Promise, Map, ...
+
+const newGlobals2017 = {
+  Atomics: false,
+  SharedArrayBuffer: false
+};
+const newGlobals2020 = {
+  BigInt: false,
+  BigInt64Array: false,
+  BigUint64Array: false,
+  globalThis: false
+}; //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/** @type {Map<string, import("../lib/shared/types").Environment>} */
+
+module.exports = new Map(Object.entries({
+  // Language
+  builtin: {
+    globals: globals.es5
+  },
+  es6: {
+    globals: newGlobals2015,
+    parserOptions: {
+      ecmaVersion: 6
+    }
+  },
+  es2015: {
+    globals: newGlobals2015,
+    parserOptions: {
+      ecmaVersion: 6
+    }
+  },
+  es2017: {
+    globals: _objectSpread({}, newGlobals2015, {}, newGlobals2017),
+    parserOptions: {
+      ecmaVersion: 8
+    }
+  },
+  es2020: {
+    globals: _objectSpread({}, newGlobals2015, {}, newGlobals2017, {}, newGlobals2020),
+    parserOptions: {
+      ecmaVersion: 11
+    }
+  },
+  // Platforms
+  browser: {
+    globals: globals.browser
+  },
+  node: {
+    globals: globals.node,
+    parserOptions: {
+      ecmaFeatures: {
+        globalReturn: true
+      }
+    }
+  },
+  "shared-node-browser": {
+    globals: globals["shared-node-browser"]
+  },
+  worker: {
+    globals: globals.worker
+  },
+  serviceworker: {
+    globals: globals.serviceworker
+  },
+  // Frameworks
+  commonjs: {
+    globals: globals.commonjs,
+    parserOptions: {
+      ecmaFeatures: {
+        globalReturn: true
+      }
+    }
+  },
+  amd: {
+    globals: globals.amd
+  },
+  mocha: {
+    globals: globals.mocha
+  },
+  jasmine: {
+    globals: globals.jasmine
+  },
+  jest: {
+    globals: globals.jest
+  },
+  phantomjs: {
+    globals: globals.phantomjs
+  },
+  jquery: {
+    globals: globals.jquery
+  },
+  qunit: {
+    globals: globals.qunit
+  },
+  prototypejs: {
+    globals: globals.prototypejs
+  },
+  shelljs: {
+    globals: globals.shelljs
+  },
+  meteor: {
+    globals: globals.meteor
+  },
+  mongo: {
+    globals: globals.mongo
+  },
+  protractor: {
+    globals: globals.protractor
+  },
+  applescript: {
+    globals: globals.applescript
+  },
+  nashorn: {
+    globals: globals.nashorn
+  },
+  atomtest: {
+    globals: globals.atomtest
+  },
+  embertest: {
+    globals: globals.embertest
+  },
+  webextensions: {
+    globals: globals.webextensions
+  },
+  greasemonkey: {
+    globals: globals.greasemonkey
+  }
+}));
+
+/***/ }),
+/* 406 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = __webpack_require__(407);
+
+/***/ }),
+/* 407 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"builtin\":{\"Array\":false,\"ArrayBuffer\":false,\"Atomics\":false,\"BigInt\":false,\"BigInt64Array\":false,\"BigUint64Array\":false,\"Boolean\":false,\"constructor\":false,\"DataView\":false,\"Date\":false,\"decodeURI\":false,\"decodeURIComponent\":false,\"encodeURI\":false,\"encodeURIComponent\":false,\"Error\":false,\"escape\":false,\"eval\":false,\"EvalError\":false,\"Float32Array\":false,\"Float64Array\":false,\"Function\":false,\"globalThis\":false,\"hasOwnProperty\":false,\"Infinity\":false,\"Int16Array\":false,\"Int32Array\":false,\"Int8Array\":false,\"isFinite\":false,\"isNaN\":false,\"isPrototypeOf\":false,\"JSON\":false,\"Map\":false,\"Math\":false,\"NaN\":false,\"Number\":false,\"Object\":false,\"parseFloat\":false,\"parseInt\":false,\"Promise\":false,\"propertyIsEnumerable\":false,\"Proxy\":false,\"RangeError\":false,\"ReferenceError\":false,\"Reflect\":false,\"RegExp\":false,\"Set\":false,\"SharedArrayBuffer\":false,\"String\":false,\"Symbol\":false,\"SyntaxError\":false,\"toLocaleString\":false,\"toString\":false,\"TypeError\":false,\"Uint16Array\":false,\"Uint32Array\":false,\"Uint8Array\":false,\"Uint8ClampedArray\":false,\"undefined\":false,\"unescape\":false,\"URIError\":false,\"valueOf\":false,\"WeakMap\":false,\"WeakSet\":false},\"es5\":{\"Array\":false,\"Boolean\":false,\"constructor\":false,\"Date\":false,\"decodeURI\":false,\"decodeURIComponent\":false,\"encodeURI\":false,\"encodeURIComponent\":false,\"Error\":false,\"escape\":false,\"eval\":false,\"EvalError\":false,\"Function\":false,\"hasOwnProperty\":false,\"Infinity\":false,\"isFinite\":false,\"isNaN\":false,\"isPrototypeOf\":false,\"JSON\":false,\"Math\":false,\"NaN\":false,\"Number\":false,\"Object\":false,\"parseFloat\":false,\"parseInt\":false,\"propertyIsEnumerable\":false,\"RangeError\":false,\"ReferenceError\":false,\"RegExp\":false,\"String\":false,\"SyntaxError\":false,\"toLocaleString\":false,\"toString\":false,\"TypeError\":false,\"undefined\":false,\"unescape\":false,\"URIError\":false,\"valueOf\":false},\"es2015\":{\"Array\":false,\"ArrayBuffer\":false,\"Boolean\":false,\"constructor\":false,\"DataView\":false,\"Date\":false,\"decodeURI\":false,\"decodeURIComponent\":false,\"encodeURI\":false,\"encodeURIComponent\":false,\"Error\":false,\"escape\":false,\"eval\":false,\"EvalError\":false,\"Float32Array\":false,\"Float64Array\":false,\"Function\":false,\"hasOwnProperty\":false,\"Infinity\":false,\"Int16Array\":false,\"Int32Array\":false,\"Int8Array\":false,\"isFinite\":false,\"isNaN\":false,\"isPrototypeOf\":false,\"JSON\":false,\"Map\":false,\"Math\":false,\"NaN\":false,\"Number\":false,\"Object\":false,\"parseFloat\":false,\"parseInt\":false,\"Promise\":false,\"propertyIsEnumerable\":false,\"Proxy\":false,\"RangeError\":false,\"ReferenceError\":false,\"Reflect\":false,\"RegExp\":false,\"Set\":false,\"String\":false,\"Symbol\":false,\"SyntaxError\":false,\"toLocaleString\":false,\"toString\":false,\"TypeError\":false,\"Uint16Array\":false,\"Uint32Array\":false,\"Uint8Array\":false,\"Uint8ClampedArray\":false,\"undefined\":false,\"unescape\":false,\"URIError\":false,\"valueOf\":false,\"WeakMap\":false,\"WeakSet\":false},\"es2017\":{\"Array\":false,\"ArrayBuffer\":false,\"Atomics\":false,\"Boolean\":false,\"constructor\":false,\"DataView\":false,\"Date\":false,\"decodeURI\":false,\"decodeURIComponent\":false,\"encodeURI\":false,\"encodeURIComponent\":false,\"Error\":false,\"escape\":false,\"eval\":false,\"EvalError\":false,\"Float32Array\":false,\"Float64Array\":false,\"Function\":false,\"hasOwnProperty\":false,\"Infinity\":false,\"Int16Array\":false,\"Int32Array\":false,\"Int8Array\":false,\"isFinite\":false,\"isNaN\":false,\"isPrototypeOf\":false,\"JSON\":false,\"Map\":false,\"Math\":false,\"NaN\":false,\"Number\":false,\"Object\":false,\"parseFloat\":false,\"parseInt\":false,\"Promise\":false,\"propertyIsEnumerable\":false,\"Proxy\":false,\"RangeError\":false,\"ReferenceError\":false,\"Reflect\":false,\"RegExp\":false,\"Set\":false,\"SharedArrayBuffer\":false,\"String\":false,\"Symbol\":false,\"SyntaxError\":false,\"toLocaleString\":false,\"toString\":false,\"TypeError\":false,\"Uint16Array\":false,\"Uint32Array\":false,\"Uint8Array\":false,\"Uint8ClampedArray\":false,\"undefined\":false,\"unescape\":false,\"URIError\":false,\"valueOf\":false,\"WeakMap\":false,\"WeakSet\":false},\"browser\":{\"AbortController\":false,\"AbortSignal\":false,\"addEventListener\":false,\"alert\":false,\"AnalyserNode\":false,\"Animation\":false,\"AnimationEffectReadOnly\":false,\"AnimationEffectTiming\":false,\"AnimationEffectTimingReadOnly\":false,\"AnimationEvent\":false,\"AnimationPlaybackEvent\":false,\"AnimationTimeline\":false,\"applicationCache\":false,\"ApplicationCache\":false,\"ApplicationCacheErrorEvent\":false,\"atob\":false,\"Attr\":false,\"Audio\":false,\"AudioBuffer\":false,\"AudioBufferSourceNode\":false,\"AudioContext\":false,\"AudioDestinationNode\":false,\"AudioListener\":false,\"AudioNode\":false,\"Aud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alse,\"Cache\":false,\"caches\":false,\"CacheStorage\":false,\"clearInterval\":false,\"clearTimeout\":false,\"Client\":false,\"clients\":false,\"Clients\":false,\"close\":true,\"console\":false,\"ExtendableEvent\":false,\"ExtendableMessageEvent\":false,\"fetch\":false,\"FetchEvent\":false,\"FileReaderSync\":false,\"FormData\":false,\"Headers\":false,\"IDBCursor\":false,\"IDBCursorWithValue\":false,\"IDBDatabase\":false,\"IDBFactory\":false,\"IDBIndex\":false,\"IDBKeyRange\":false,\"IDBObjectStore\":false,\"IDBOpenDBRequest\":false,\"IDBRequest\":false,\"IDBTransaction\":false,\"IDBVersionChangeEvent\":false,\"ImageData\":false,\"importScripts\":false,\"indexedDB\":false,\"location\":false,\"MessageChannel\":false,\"MessagePort\":false,\"name\":false,\"navigator\":false,\"Notification\":false,\"onclose\":true,\"onconnect\":true,\"onerror\":true,\"onfetch\":true,\"oninstall\":true,\"onlanguagechange\":true,\"onmessage\":true,\"onmessageerror\":true,\"onnotificationclick\":true,\"onnotificationclose\":true,\"onoffline\":true,\"ononline\":true,\"onpush\":true,\"onpushsubscriptionchange\":true,\"onrejectionhandled\":true,\"onsync\":true,\"onunhandledrejection\":true,\"performance\":false,\"Performance\":false,\"PerformanceEntry\":false,\"PerformanceMark\":false,\"PerformanceMeasure\":false,\"PerformanceNavigation\":false,\"PerformanceResourceTiming\":false,\"PerformanceTiming\":false,\"postMessage\":true,\"Promise\":false,\"queueMicrotask\":false,\"registration\":false,\"removeEventListener\":false,\"Request\":false,\"Response\":false,\"self\":false,\"ServiceWorker\":false,\"ServiceWorkerContainer\":false,\"ServiceWorkerGlobalScope\":false,\"ServiceWorkerMessageEvent\":false,\"ServiceWorkerRegistration\":false,\"setInterval\":false,\"setTimeout\":false,\"skipWaiting\":false,\"TextDecoder\":false,\"TextEncoder\":false,\"URL\":false,\"URLSearchParams\":false,\"WebSocket\":false,\"WindowClient\":false,\"Worker\":false,\"WorkerGlobalScope\":false,\"XMLHttpRequest\":false},\"atomtest\":{\"advanceClock\":false,\"fakeClearInterval\":false,\"fakeClearTimeout\":false,\"fakeSetInterval\":false,\"fakeSetTimeout\":false,\"resetTimeouts\":false,\"waitsForPromise\":false},\"embertest\":{\"andThen\":false,\"click\":false,\"currentPath\":false,\"currentRouteName\":false,\"currentURL\":false,\"fillIn\":false,\"find\":false,\"findAll\":false,\"findWithAssert\":false,\"keyEvent\":false,\"pauseTest\":false,\"resumeTest\":false,\"triggerEvent\":false,\"visit\":false,\"wait\":false},\"protractor\":{\"$\":false,\"$$\":false,\"browser\":false,\"by\":false,\"By\":false,\"DartObject\":false,\"element\":false,\"protractor\":false},\"shared-node-browser\":{\"clearInterval\":false,\"clearTimeout\":false,\"console\":false,\"setInterval\":false,\"setTimeout\":false,\"URL\":false,\"URLSearchParams\":false},\"webextensions\":{\"browser\":false,\"chrome\":false,\"opr\":false},\"greasemonkey\":{\"cloneInto\":false,\"createObjectIn\":false,\"exportFunction\":false,\"GM\":false,\"GM_addStyle\":false,\"GM_deleteValue\":false,\"GM_getResourceText\":false,\"GM_getResourceURL\":false,\"GM_getValue\":false,\"GM_info\":false,\"GM_listValues\":false,\"GM_log\":false,\"GM_openInTab\":false,\"GM_registerMenuCommand\":false,\"GM_setClipboard\":false,\"GM_setValue\":false,\"GM_xmlhttpRequest\":false,\"unsafeWindow\":false},\"devtools\":{\"$\":false,\"$_\":false,\"$$\":false,\"$0\":false,\"$1\":false,\"$2\":false,\"$3\":false,\"$4\":false,\"$x\":false,\"chrome\":false,\"clear\":false,\"copy\":false,\"debug\":false,\"dir\":false,\"dirxml\":false,\"getEventListeners\":false,\"inspect\":false,\"keys\":false,\"monitor\":false,\"monitorEvents\":false,\"profile\":false,\"profileEnd\":false,\"queryObjects\":false,\"table\":false,\"undebug\":false,\"unmonitor\":false,\"unmonitorEvents\":false,\"values\":false}}");
+
+/***/ }),
+/* 408 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"name\":\"eslint\",\"version\":\"7.0.0-alpha.3\",\"author\":\"Nicholas C. Zakas <nicholas+npm@nczconsulting.com>\",\"description\":\"An AST-based pattern checker for JavaScript.\",\"bin\":{\"eslint\":\"./bin/eslint.js\"},\"main\":\"./lib/api.js\",\"scripts\":{\"test\":\"node Makefile.js test\",\"test:cli\":\"mocha\",\"lint\":\"node Makefile.js lint\",\"fix\":\"node Makefile.js lint -- fix\",\"fuzz\":\"node Makefile.js fuzz\",\"generate-release\":\"node Makefile.js generateRelease\",\"generate-alpharelease\":\"node Makefile.js generatePrerelease -- alpha\",\"generate-betarelease\":\"node Makefile.js generatePrerelease -- beta\",\"generate-rcrelease\":\"node Makefile.js generatePrerelease -- rc\",\"publish-release\":\"node Makefile.js publishRelease\",\"docs\":\"node Makefile.js docs\",\"gensite\":\"node Makefile.js gensite\",\"webpack\":\"node Makefile.js webpack\",\"perf\":\"node Makefile.js perf\"},\"gitHooks\":{\"pre-commit\":\"lint-staged\"},\"lint-staged\":{\"*.js\":[\"eslint --fix\",\"git add\"],\"*.md\":\"markdownlint\"},\"files\":[\"LICENSE\",\"README.md\",\"bin\",\"conf\",\"lib\",\"messages\"],\"repository\":\"eslint/eslint\",\"funding\":\"https://opencollective.com/eslint\",\"homepage\":\"https://eslint.org\",\"bugs\":\"https://github.com/eslint/eslint/issues/\",\"dependencies\":{\"@babel/code-frame\":\"^7.0.0\",\"ajv\":\"^6.10.0\",\"chalk\":\"^3.0.0\",\"cross-spawn\":\"^7.0.1\",\"debug\":\"^4.0.1\",\"doctrine\":\"^3.0.0\",\"eslint-scope\":\"^5.0.0\",\"eslint-utils\":\"^2.0.0\",\"eslint-visitor-keys\":\"^1.1.0\",\"espree\":\"^6.2.1\",\"esquery\":\"^1.2.0\",\"esutils\":\"^2.0.2\",\"file-entry-cache\":\"^5.0.1\",\"functional-red-black-tree\":\"^1.0.1\",\"glob-parent\":\"^5.0.0\",\"globals\":\"^12.1.0\",\"ignore\":\"^4.0.6\",\"import-fresh\":\"^3.0.0\",\"imurmurhash\":\"^0.1.4\",\"inquirer\":\"^7.0.0\",\"is-glob\":\"^4.0.0\",\"js-yaml\":\"^3.13.1\",\"json-stable-stringify-without-jsonify\":\"^1.0.1\",\"levn\":\"^0.3.0\",\"lodash\":\"^4.17.14\",\"minimatch\":\"^3.0.4\",\"natural-compare\":\"^1.4.0\",\"optionator\":\"^0.8.3\",\"progress\":\"^2.0.0\",\"regexpp\":\"^3.0.0\",\"semver\":\"^7.1.1\",\"strip-ansi\":\"^6.0.0\",\"strip-json-comments\":\"^3.0.1\",\"table\":\"^5.2.3\",\"text-table\":\"^0.2.0\",\"v8-compile-cache\":\"^2.0.3\"},\"devDependencies\":{\"@babel/core\":\"^7.4.3\",\"@babel/preset-env\":\"^7.4.3\",\"acorn\":\"^7.1.1\",\"babel-loader\":\"^8.0.5\",\"chai\":\"^4.0.1\",\"cheerio\":\"^0.22.0\",\"common-tags\":\"^1.8.0\",\"core-js\":\"^3.1.3\",\"dateformat\":\"^3.0.3\",\"ejs\":\"^2.6.1\",\"eslint\":\"file:.\",\"eslint-config-eslint\":\"file:packages/eslint-config-eslint\",\"eslint-plugin-eslint-plugin\":\"^2.2.1\",\"eslint-plugin-internal-rules\":\"file:tools/internal-rules\",\"eslint-plugin-jsdoc\":\"^15.9.5\",\"eslint-plugin-node\":\"^9.0.0\",\"eslint-release\":\"^1.2.0\",\"eslump\":\"^2.0.0\",\"esprima\":\"^4.0.1\",\"glob\":\"^7.1.3\",\"jsdoc\":\"^3.5.5\",\"karma\":\"^4.0.1\",\"karma-chrome-launcher\":\"^2.2.0\",\"karma-mocha\":\"^1.3.0\",\"karma-mocha-reporter\":\"^2.2.3\",\"karma-webpack\":\"^4.0.0-rc.6\",\"leche\":\"^2.2.3\",\"lint-staged\":\"^8.1.5\",\"load-perf\":\"^0.2.0\",\"markdownlint\":\"^0.15.0\",\"markdownlint-cli\":\"^0.17.0\",\"memfs\":\"^3.0.1\",\"mocha\":\"^6.1.2\",\"mocha-junit-reporter\":\"^1.23.0\",\"npm-license\":\"^0.3.3\",\"nyc\":\"^14.1.1\",\"proxyquire\":\"^2.0.1\",\"puppeteer\":\"^1.18.0\",\"recast\":\"^0.18.1\",\"regenerator-runtime\":\"^0.13.2\",\"shelljs\":\"^0.8.2\",\"sinon\":\"^7.3.2\",\"temp\":\"^0.9.0\",\"webpack\":\"^4.35.0\",\"webpack-cli\":\"^3.3.5\",\"yorkie\":\"^2.0.0\"},\"keywords\":[\"ast\",\"lint\",\"javascript\",\"ecmascript\",\"espree\"],\"license\":\"MIT\",\"engines\":{\"node\":\"^10.12.0 || >=12.0.0\"}}");
+
+/***/ }),
+/* 409 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Common utils for AST.
+ *
+ * This file contains only shared items for core and rules.
+ * If you make a utility for rules, please see `../rules/utils/ast-utils.js`.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+const breakableTypePattern = /^(?:(?:Do)?While|For(?:In|Of)?|Switch)Statement$/u;
+const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u;
+const shebangPattern = /^#!([^\r\n]+)/u;
+/**
+ * Creates a version of the `lineBreakPattern` regex with the global flag.
+ * Global regexes are mutable, so this needs to be a function instead of a constant.
+ * @returns {RegExp} A global regular expression that matches line terminators
+ */
+
+function createGlobalLinebreakMatcher() {
+  return new RegExp(lineBreakPattern.source, "gu");
+}
+
+module.exports = {
+  breakableTypePattern,
+  lineBreakPattern,
+  createGlobalLinebreakMatcher,
+  shebangPattern
+};
+
+/***/ }),
+/* 410 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Config file operations. This file must be usable in the browser,
+ * so no Node-specific code can be here.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+const RULE_SEVERITY_STRINGS = ["off", "warn", "error"],
+      RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => {
+  map[value] = index;
+  return map;
+}, {}),
+      VALID_SEVERITIES = [0, 1, 2, "off", "warn", "error"]; //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+  /**
+   * Normalizes the severity value of a rule's configuration to a number
+   * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally
+   * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0),
+   * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array
+   * whose first element is one of the above values. Strings are matched case-insensitively.
+   * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0.
+   */
+  getRuleSeverity(ruleConfig) {
+    const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
+
+    if (severityValue === 0 || severityValue === 1 || severityValue === 2) {
+      return severityValue;
+    }
+
+    if (typeof severityValue === "string") {
+      return RULE_SEVERITY[severityValue.toLowerCase()] || 0;
+    }
+
+    return 0;
+  },
+
+  /**
+   * Converts old-style severity settings (0, 1, 2) into new-style
+   * severity settings (off, warn, error) for all rules. Assumption is that severity
+   * values have already been validated as correct.
+   * @param {Object} config The config object to normalize.
+   * @returns {void}
+   */
+  normalizeToStrings(config) {
+    if (config.rules) {
+      Object.keys(config.rules).forEach(ruleId => {
+        const ruleConfig = config.rules[ruleId];
+
+        if (typeof ruleConfig === "number") {
+          config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0];
+        } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") {
+          ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0];
+        }
+      });
+    }
+  },
+
+  /**
+   * Determines if the severity for the given rule configuration represents an error.
+   * @param {int|string|Array} ruleConfig The configuration for an individual rule.
+   * @returns {boolean} True if the rule represents an error, false if not.
+   */
+  isErrorSeverity(ruleConfig) {
+    return module.exports.getRuleSeverity(ruleConfig) === 2;
+  },
+
+  /**
+   * Checks whether a given config has valid severity or not.
+   * @param {number|string|Array} ruleConfig The configuration for an individual rule.
+   * @returns {boolean} `true` if the configuration has valid severity.
+   */
+  isValidSeverity(ruleConfig) {
+    let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;
+
+    if (typeof severity === "string") {
+      severity = severity.toLowerCase();
+    }
+
+    return VALID_SEVERITIES.indexOf(severity) !== -1;
+  },
+
+  /**
+   * Checks whether every rule of a given config has valid severity or not.
+   * @param {Object} config The configuration for rules.
+   * @returns {boolean} `true` if the configuration has valid severity.
+   */
+  isEverySeverityValid(config) {
+    return Object.keys(config).every(ruleId => this.isValidSeverity(config[ruleId]));
+  },
+
+  /**
+   * Normalizes a value for a global in a config
+   * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in
+   * a global directive comment
+   * @returns {("readable"|"writeable"|"off")} The value normalized as a string
+   * @throws Error if global value is invalid
+   */
+  normalizeConfigGlobal(configuredValue) {
+    switch (configuredValue) {
+      case "off":
+        return "off";
+
+      case true:
+      case "true":
+      case "writeable":
+      case "writable":
+        return "writable";
+
+      case null:
+      case false:
+      case "false":
+      case "readable":
+      case "readonly":
+        return "readonly";
+
+      default:
+        throw new Error("'".concat(configuredValue, "' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')"));
+    }
+  }
+
+};
+
+/***/ }),
+/* 411 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Validates configs.
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const util = __webpack_require__(412),
+      configSchema = __webpack_require__(413),
+      BuiltInEnvironments = __webpack_require__(405),
+      BuiltInRules = __webpack_require__(414),
+      ConfigOps = __webpack_require__(410),
+      {
+  emitDeprecationWarning
+} = __webpack_require__(726);
+
+const ajv = __webpack_require__(727)();
+
+const ruleValidators = new WeakMap();
+const noop = Function.prototype; //------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+let validateSchema;
+const severityMap = {
+  error: 2,
+  warn: 1,
+  off: 0
+};
+/**
+ * Gets a complete options schema for a rule.
+ * @param {{create: Function, schema: (Array|null)}} rule A new-style rule object
+ * @returns {Object} JSON Schema for the rule's options.
+ */
+
+function getRuleOptionsSchema(rule) {
+  if (!rule) {
+    return null;
+  }
+
+  const schema = rule.schema || rule.meta && rule.meta.schema; // Given a tuple of schemas, insert warning level at the beginning
+
+  if (Array.isArray(schema)) {
+    if (schema.length) {
+      return {
+        type: "array",
+        items: schema,
+        minItems: 0,
+        maxItems: schema.length
+      };
+    }
+
+    return {
+      type: "array",
+      minItems: 0,
+      maxItems: 0
+    };
+  } // Given a full schema, leave it alone
+
+
+  return schema || null;
+}
+/**
+ * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid.
+ * @param {options} options The given options for the rule.
+ * @returns {number|string} The rule's severity value
+ */
+
+
+function validateRuleSeverity(options) {
+  const severity = Array.isArray(options) ? options[0] : options;
+  const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity;
+
+  if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) {
+    return normSeverity;
+  }
+
+  throw new Error("\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '".concat(util.inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, ""), "').\n"));
+}
+/**
+ * Validates the non-severity options passed to a rule, based on its schema.
+ * @param {{create: Function}} rule The rule to validate
+ * @param {Array} localOptions The options for the rule, excluding severity
+ * @returns {void}
+ */
+
+
+function validateRuleSchema(rule, localOptions) {
+  if (!ruleValidators.has(rule)) {
+    const schema = getRuleOptionsSchema(rule);
+
+    if (schema) {
+      ruleValidators.set(rule, ajv.compile(schema));
+    }
+  }
+
+  const validateRule = ruleValidators.get(rule);
+
+  if (validateRule) {
+    validateRule(localOptions);
+
+    if (validateRule.errors) {
+      throw new Error(validateRule.errors.map(error => "\tValue ".concat(JSON.stringify(error.data), " ").concat(error.message, ".\n")).join(""));
+    }
+  }
+}
+/**
+ * Validates a rule's options against its schema.
+ * @param {{create: Function}|null} rule The rule that the config is being validated for
+ * @param {string} ruleId The rule's unique name.
+ * @param {Array|number} options The given options for the rule.
+ * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined,
+ * no source is prepended to the message.
+ * @returns {void}
+ */
+
+
+function validateRuleOptions(rule, ruleId, options, source = null) {
+  try {
+    const severity = validateRuleSeverity(options);
+
+    if (severity !== 0) {
+      validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []);
+    }
+  } catch (err) {
+    const enhancedMessage = "Configuration for rule \"".concat(ruleId, "\" is invalid:\n").concat(err.message);
+
+    if (typeof source === "string") {
+      throw new Error("".concat(source, ":\n\t").concat(enhancedMessage));
+    } else {
+      throw new Error(enhancedMessage);
+    }
+  }
+}
+/**
+ * Validates an environment object
+ * @param {Object} environment The environment config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded environments.
+ * @returns {void}
+ */
+
+
+function validateEnvironment(environment, source, getAdditionalEnv = noop) {
+  // not having an environment is ok
+  if (!environment) {
+    return;
+  }
+
+  Object.keys(environment).forEach(id => {
+    const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null;
+
+    if (!env) {
+      const message = "".concat(source, ":\n\tEnvironment key \"").concat(id, "\" is unknown\n");
+      throw new Error(message);
+    }
+  });
+}
+/**
+ * Validates a rules config object
+ * @param {Object} rulesConfig The rules config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(ruleId:string): Object} getAdditionalRule A map from strings to loaded rules
+ * @returns {void}
+ */
+
+
+function validateRules(rulesConfig, source, getAdditionalRule = noop) {
+  if (!rulesConfig) {
+    return;
+  }
+
+  Object.keys(rulesConfig).forEach(id => {
+    const rule = getAdditionalRule(id) || BuiltInRules.get(id) || null;
+    validateRuleOptions(rule, id, rulesConfig[id], source);
+  });
+}
+/**
+ * Validates a `globals` section of a config file
+ * @param {Object} globalsConfig The `globals` section
+ * @param {string|null} source The name of the configuration source to report in the event of an error.
+ * @returns {void}
+ */
+
+
+function validateGlobals(globalsConfig, source = null) {
+  if (!globalsConfig) {
+    return;
+  }
+
+  Object.entries(globalsConfig).forEach(([configuredGlobal, configuredValue]) => {
+    try {
+      ConfigOps.normalizeConfigGlobal(configuredValue);
+    } catch (err) {
+      throw new Error("ESLint configuration of global '".concat(configuredGlobal, "' in ").concat(source, " is invalid:\n").concat(err.message));
+    }
+  });
+}
+/**
+ * Validate `processor` configuration.
+ * @param {string|undefined} processorName The processor name.
+ * @param {string} source The name of config file.
+ * @param {function(id:string): Processor} getProcessor The getter of defined processors.
+ * @returns {void}
+ */
+
+
+function validateProcessor(processorName, source, getProcessor) {
+  if (processorName && !getProcessor(processorName)) {
+    throw new Error("ESLint configuration of processor in '".concat(source, "' is invalid: '").concat(processorName, "' was not found."));
+  }
+}
+/**
+ * Formats an array of schema validation errors.
+ * @param {Array} errors An array of error messages to format.
+ * @returns {string} Formatted error message
+ */
+
+
+function formatErrors(errors) {
+  return errors.map(error => {
+    if (error.keyword === "additionalProperties") {
+      const formattedPropertyPath = error.dataPath.length ? "".concat(error.dataPath.slice(1), ".").concat(error.params.additionalProperty) : error.params.additionalProperty;
+      return "Unexpected top-level property \"".concat(formattedPropertyPath, "\"");
+    }
+
+    if (error.keyword === "type") {
+      const formattedField = error.dataPath.slice(1);
+      const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema;
+      const formattedValue = JSON.stringify(error.data);
+      return "Property \"".concat(formattedField, "\" is the wrong type (expected ").concat(formattedExpectedType, " but got `").concat(formattedValue, "`)");
+    }
+
+    const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
+    return "\"".concat(field, "\" ").concat(error.message, ". Value: ").concat(JSON.stringify(error.data));
+  }).map(message => "\t- ".concat(message, ".\n")).join("");
+}
+/**
+ * Validates the top level properties of the config object.
+ * @param {Object} config The config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @returns {void}
+ */
+
+
+function validateConfigSchema(config, source = null) {
+  validateSchema = validateSchema || ajv.compile(configSchema);
+
+  if (!validateSchema(config)) {
+    throw new Error("ESLint configuration in ".concat(source, " is invalid:\n").concat(formatErrors(validateSchema.errors)));
+  }
+
+  if (Object.hasOwnProperty.call(config, "ecmaFeatures")) {
+    emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES");
+  }
+}
+/**
+ * Validates an entire config object.
+ * @param {Object} config The config object to validate.
+ * @param {string} source The name of the configuration source to report in any errors.
+ * @param {function(ruleId:string): Object} [getAdditionalRule] A map from strings to loaded rules.
+ * @param {function(envId:string): Object} [getAdditionalEnv] A map from strings to loaded envs.
+ * @returns {void}
+ */
+
+
+function validate(config, source, getAdditionalRule, getAdditionalEnv) {
+  validateConfigSchema(config, source);
+  validateRules(config.rules, source, getAdditionalRule);
+  validateEnvironment(config.env, source, getAdditionalEnv);
+  validateGlobals(config.globals, source);
+
+  for (const override of config.overrides || []) {
+    validateRules(override.rules, source, getAdditionalRule);
+    validateEnvironment(override.env, source, getAdditionalEnv);
+    validateGlobals(config.globals, source);
+  }
+}
+
+const validated = new WeakSet();
+/**
+ * Validate config array object.
+ * @param {ConfigArray} configArray The config array to validate.
+ * @returns {void}
+ */
+
+function validateConfigArray(configArray) {
+  const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments);
+  const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors);
+  const getPluginRule = Map.prototype.get.bind(configArray.pluginRules); // Validate.
+
+  for (const element of configArray) {
+    if (validated.has(element)) {
+      continue;
+    }
+
+    validated.add(element);
+    validateEnvironment(element.env, element.name, getPluginEnv);
+    validateGlobals(element.globals, element.name);
+    validateProcessor(element.processor, element.name, getPluginProcessor);
+    validateRules(element.rules, element.name, getPluginRule);
+  }
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  getRuleOptionsSchema,
+  validate,
+  validateConfigArray,
+  validateConfigSchema,
+  validateRuleOptions
+};
+
+/***/ }),
+/* 412 */
+/***/ (function(module, exports) {
+
+module.exports = require("util");
+
+/***/ }),
+/* 413 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Defines a schema for configs.
+ * @author Sylvan Mably
+ */
+
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const baseConfigProperties = {
+  $schema: {
+    type: "string"
+  },
+  env: {
+    type: "object"
+  },
+  extends: {
+    $ref: "#/definitions/stringOrStrings"
+  },
+  globals: {
+    type: "object"
+  },
+  overrides: {
+    type: "array",
+    items: {
+      $ref: "#/definitions/overrideConfig"
+    },
+    additionalItems: false
+  },
+  parser: {
+    type: ["string", "null"]
+  },
+  parserOptions: {
+    type: "object"
+  },
+  plugins: {
+    type: "array"
+  },
+  processor: {
+    type: "string"
+  },
+  rules: {
+    type: "object"
+  },
+  settings: {
+    type: "object"
+  },
+  noInlineConfig: {
+    type: "boolean"
+  },
+  reportUnusedDisableDirectives: {
+    type: "boolean"
+  },
+  ecmaFeatures: {
+    type: "object"
+  } // deprecated; logs a warning when used
+
+};
+const configSchema = {
+  definitions: {
+    stringOrStrings: {
+      oneOf: [{
+        type: "string"
+      }, {
+        type: "array",
+        items: {
+          type: "string"
+        },
+        additionalItems: false
+      }]
+    },
+    stringOrStringsRequired: {
+      oneOf: [{
+        type: "string"
+      }, {
+        type: "array",
+        items: {
+          type: "string"
+        },
+        additionalItems: false,
+        minItems: 1
+      }]
+    },
+    // Config at top-level.
+    objectConfig: {
+      type: "object",
+      properties: _objectSpread({
+        root: {
+          type: "boolean"
+        },
+        ignorePatterns: {
+          $ref: "#/definitions/stringOrStrings"
+        }
+      }, baseConfigProperties),
+      additionalProperties: false
+    },
+    // Config in `overrides`.
+    overrideConfig: {
+      type: "object",
+      properties: _objectSpread({
+        excludedFiles: {
+          $ref: "#/definitions/stringOrStrings"
+        },
+        files: {
+          $ref: "#/definitions/stringOrStringsRequired"
+        }
+      }, baseConfigProperties),
+      required: ["files"],
+      additionalProperties: false
+    }
+  },
+  $ref: "#/definitions/objectConfig"
+};
+module.exports = configSchema;
+
+/***/ }),
+/* 414 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Collects the built-in rules into a map structure so that they can be imported all at once and without
+ * using the file-system directly.
+ * @author Peter (Somogyvari) Metz
+ */
+
+/* eslint sort-keys: ["error", "asc"] */
+
+const {
+  LazyLoadingRuleMap
+} = __webpack_require__(415);
+/** @type {Map<string, import("../shared/types").Rule>} */
+
+
+module.exports = new LazyLoadingRuleMap(Object.entries({
+  "accessor-pairs": () => __webpack_require__(425),
+  "array-bracket-newline": () => __webpack_require__(431),
+  "array-bracket-spacing": () => __webpack_require__(432),
+  "array-callback-return": () => __webpack_require__(433),
+  "array-element-newline": () => __webpack_require__(434),
+  "arrow-body-style": () => __webpack_require__(435),
+  "arrow-parens": () => __webpack_require__(436),
+  "arrow-spacing": () => __webpack_require__(437),
+  "block-scoped-var": () => __webpack_require__(438),
+  "block-spacing": () => __webpack_require__(439),
+  "brace-style": () => __webpack_require__(440),
+  "callback-return": () => __webpack_require__(441),
+  camelcase: () => __webpack_require__(442),
+  "capitalized-comments": () => __webpack_require__(443),
+  "class-methods-use-this": () => __webpack_require__(445),
+  "comma-dangle": () => __webpack_require__(446),
+  "comma-spacing": () => __webpack_require__(447),
+  "comma-style": () => __webpack_require__(448),
+  complexity: () => __webpack_require__(449),
+  "computed-property-spacing": () => __webpack_require__(450),
+  "consistent-return": () => __webpack_require__(451),
+  "consistent-this": () => __webpack_require__(452),
+  "constructor-super": () => __webpack_require__(453),
+  curly: () => __webpack_require__(454),
+  "default-case": () => __webpack_require__(455),
+  "default-case-last": () => __webpack_require__(456),
+  "default-param-last": () => __webpack_require__(457),
+  "dot-location": () => __webpack_require__(458),
+  "dot-notation": () => __webpack_require__(459),
+  "eol-last": () => __webpack_require__(461),
+  eqeqeq: () => __webpack_require__(462),
+  "for-direction": () => __webpack_require__(463),
+  "func-call-spacing": () => __webpack_require__(464),
+  "func-name-matching": () => __webpack_require__(465),
+  "func-names": () => __webpack_require__(466),
+  "func-style": () => __webpack_require__(467),
+  "function-call-argument-newline": () => __webpack_require__(468),
+  "function-paren-newline": () => __webpack_require__(469),
+  "generator-star-spacing": () => __webpack_require__(470),
+  "getter-return": () => __webpack_require__(471),
+  "global-require": () => __webpack_require__(472),
+  "grouped-accessor-pairs": () => __webpack_require__(473),
+  "guard-for-in": () => __webpack_require__(474),
+  "handle-callback-err": () => __webpack_require__(475),
+  "id-blacklist": () => __webpack_require__(476),
+  "id-length": () => __webpack_require__(477),
+  "id-match": () => __webpack_require__(478),
+  "implicit-arrow-linebreak": () => __webpack_require__(479),
+  indent: () => __webpack_require__(480),
+  "indent-legacy": () => __webpack_require__(482),
+  "init-declarations": () => __webpack_require__(483),
+  "jsx-quotes": () => __webpack_require__(484),
+  "key-spacing": () => __webpack_require__(485),
+  "keyword-spacing": () => __webpack_require__(486),
+  "line-comment-position": () => __webpack_require__(487),
+  "linebreak-style": () => __webpack_require__(488),
+  "lines-around-comment": () => __webpack_require__(489),
+  "lines-around-directive": () => __webpack_require__(490),
+  "lines-between-class-members": () => __webpack_require__(491),
+  "max-classes-per-file": () => __webpack_require__(492),
+  "max-depth": () => __webpack_require__(493),
+  "max-len": () => __webpack_require__(494),
+  "max-lines": () => __webpack_require__(495),
+  "max-lines-per-function": () => __webpack_require__(496),
+  "max-nested-callbacks": () => __webpack_require__(497),
+  "max-params": () => __webpack_require__(498),
+  "max-statements": () => __webpack_require__(499),
+  "max-statements-per-line": () => __webpack_require__(500),
+  "multiline-comment-style": () => __webpack_require__(501),
+  "multiline-ternary": () => __webpack_require__(502),
+  "new-cap": () => __webpack_require__(503),
+  "new-parens": () => __webpack_require__(504),
+  "newline-after-var": () => __webpack_require__(505),
+  "newline-before-return": () => __webpack_require__(506),
+  "newline-per-chained-call": () => __webpack_require__(507),
+  "no-alert": () => __webpack_require__(508),
+  "no-array-constructor": () => __webpack_require__(509),
+  "no-async-promise-executor": () => __webpack_require__(510),
+  "no-await-in-loop": () => __webpack_require__(511),
+  "no-bitwise": () => __webpack_require__(512),
+  "no-buffer-constructor": () => __webpack_require__(513),
+  "no-caller": () => __webpack_require__(514),
+  "no-case-declarations": () => __webpack_require__(515),
+  "no-catch-shadow": () => __webpack_require__(516),
+  "no-class-assign": () => __webpack_require__(517),
+  "no-compare-neg-zero": () => __webpack_require__(518),
+  "no-cond-assign": () => __webpack_require__(519),
+  "no-confusing-arrow": () => __webpack_require__(520),
+  "no-console": () => __webpack_require__(521),
+  "no-const-assign": () => __webpack_require__(522),
+  "no-constant-condition": () => __webpack_require__(523),
+  "no-constructor-return": () => __webpack_require__(524),
+  "no-continue": () => __webpack_require__(525),
+  "no-control-regex": () => __webpack_require__(526),
+  "no-debugger": () => __webpack_require__(528),
+  "no-delete-var": () => __webpack_require__(529),
+  "no-div-regex": () => __webpack_require__(530),
+  "no-dupe-args": () => __webpack_require__(531),
+  "no-dupe-class-members": () => __webpack_require__(532),
+  "no-dupe-else-if": () => __webpack_require__(533),
+  "no-dupe-keys": () => __webpack_require__(534),
+  "no-duplicate-case": () => __webpack_require__(535),
+  "no-duplicate-imports": () => __webpack_require__(536),
+  "no-else-return": () => __webpack_require__(537),
+  "no-empty": () => __webpack_require__(539),
+  "no-empty-character-class": () => __webpack_require__(540),
+  "no-empty-function": () => __webpack_require__(541),
+  "no-empty-pattern": () => __webpack_require__(542),
+  "no-eq-null": () => __webpack_require__(543),
+  "no-eval": () => __webpack_require__(544),
+  "no-ex-assign": () => __webpack_require__(545),
+  "no-extend-native": () => __webpack_require__(546),
+  "no-extra-bind": () => __webpack_require__(547),
+  "no-extra-boolean-cast": () => __webpack_require__(548),
+  "no-extra-label": () => __webpack_require__(550),
+  "no-extra-parens": () => __webpack_require__(551),
+  "no-extra-semi": () => __webpack_require__(552),
+  "no-fallthrough": () => __webpack_require__(553),
+  "no-floating-decimal": () => __webpack_require__(554),
+  "no-func-assign": () => __webpack_require__(555),
+  "no-global-assign": () => __webpack_require__(556),
+  "no-implicit-coercion": () => __webpack_require__(557),
+  "no-implicit-globals": () => __webpack_require__(558),
+  "no-implied-eval": () => __webpack_require__(559),
+  "no-import-assign": () => __webpack_require__(560),
+  "no-inline-comments": () => __webpack_require__(561),
+  "no-inner-declarations": () => __webpack_require__(562),
+  "no-invalid-regexp": () => __webpack_require__(563),
+  "no-invalid-this": () => __webpack_require__(564),
+  "no-irregular-whitespace": () => __webpack_require__(565),
+  "no-iterator": () => __webpack_require__(566),
+  "no-label-var": () => __webpack_require__(567),
+  "no-labels": () => __webpack_require__(568),
+  "no-lone-blocks": () => __webpack_require__(569),
+  "no-lonely-if": () => __webpack_require__(570),
+  "no-loop-func": () => __webpack_require__(571),
+  "no-magic-numbers": () => __webpack_require__(572),
+  "no-misleading-character-class": () => __webpack_require__(573),
+  "no-mixed-operators": () => __webpack_require__(579),
+  "no-mixed-requires": () => __webpack_require__(580),
+  "no-mixed-spaces-and-tabs": () => __webpack_require__(581),
+  "no-multi-assign": () => __webpack_require__(582),
+  "no-multi-spaces": () => __webpack_require__(583),
+  "no-multi-str": () => __webpack_require__(584),
+  "no-multiple-empty-lines": () => __webpack_require__(585),
+  "no-native-reassign": () => __webpack_require__(586),
+  "no-negated-condition": () => __webpack_require__(587),
+  "no-negated-in-lhs": () => __webpack_require__(588),
+  "no-nested-ternary": () => __webpack_require__(589),
+  "no-new": () => __webpack_require__(590),
+  "no-new-func": () => __webpack_require__(591),
+  "no-new-object": () => __webpack_require__(592),
+  "no-new-require": () => __webpack_require__(593),
+  "no-new-symbol": () => __webpack_require__(594),
+  "no-new-wrappers": () => __webpack_require__(595),
+  "no-obj-calls": () => __webpack_require__(596),
+  "no-octal": () => __webpack_require__(597),
+  "no-octal-escape": () => __webpack_require__(598),
+  "no-param-reassign": () => __webpack_require__(599),
+  "no-path-concat": () => __webpack_require__(600),
+  "no-plusplus": () => __webpack_require__(601),
+  "no-process-env": () => __webpack_require__(602),
+  "no-process-exit": () => __webpack_require__(603),
+  "no-proto": () => __webpack_require__(604),
+  "no-prototype-builtins": () => __webpack_require__(605),
+  "no-redeclare": () => __webpack_require__(606),
+  "no-regex-spaces": () => __webpack_require__(607),
+  "no-restricted-exports": () => __webpack_require__(608),
+  "no-restricted-globals": () => __webpack_require__(609),
+  "no-restricted-imports": () => __webpack_require__(610),
+  "no-restricted-modules": () => __webpack_require__(612),
+  "no-restricted-properties": () => __webpack_require__(613),
+  "no-restricted-syntax": () => __webpack_require__(614),
+  "no-return-assign": () => __webpack_require__(615),
+  "no-return-await": () => __webpack_require__(616),
+  "no-script-url": () => __webpack_require__(617),
+  "no-self-assign": () => __webpack_require__(618),
+  "no-self-compare": () => __webpack_require__(619),
+  "no-sequences": () => __webpack_require__(620),
+  "no-setter-return": () => __webpack_require__(621),
+  "no-shadow": () => __webpack_require__(622),
+  "no-shadow-restricted-names": () => __webpack_require__(623),
+  "no-spaced-func": () => __webpack_require__(624),
+  "no-sparse-arrays": () => __webpack_require__(625),
+  "no-sync": () => __webpack_require__(626),
+  "no-tabs": () => __webpack_require__(627),
+  "no-template-curly-in-string": () => __webpack_require__(628),
+  "no-ternary": () => __webpack_require__(629),
+  "no-this-before-super": () => __webpack_require__(630),
+  "no-throw-literal": () => __webpack_require__(631),
+  "no-trailing-spaces": () => __webpack_require__(632),
+  "no-undef": () => __webpack_require__(633),
+  "no-undef-init": () => __webpack_require__(634),
+  "no-undefined": () => __webpack_require__(635),
+  "no-underscore-dangle": () => __webpack_require__(636),
+  "no-unexpected-multiline": () => __webpack_require__(637),
+  "no-unmodified-loop-condition": () => __webpack_require__(638),
+  "no-unneeded-ternary": () => __webpack_require__(640),
+  "no-unreachable": () => __webpack_require__(641),
+  "no-unsafe-finally": () => __webpack_require__(642),
+  "no-unsafe-negation": () => __webpack_require__(643),
+  "no-unused-expressions": () => __webpack_require__(644),
+  "no-unused-labels": () => __webpack_require__(645),
+  "no-unused-vars": () => __webpack_require__(646),
+  "no-use-before-define": () => __webpack_require__(647),
+  "no-useless-backreference": () => __webpack_require__(648),
+  "no-useless-call": () => __webpack_require__(649),
+  "no-useless-catch": () => __webpack_require__(650),
+  "no-useless-computed-key": () => __webpack_require__(651),
+  "no-useless-concat": () => __webpack_require__(652),
+  "no-useless-constructor": () => __webpack_require__(653),
+  "no-useless-escape": () => __webpack_require__(654),
+  "no-useless-rename": () => __webpack_require__(655),
+  "no-useless-return": () => __webpack_require__(656),
+  "no-var": () => __webpack_require__(657),
+  "no-void": () => __webpack_require__(658),
+  "no-warning-comments": () => __webpack_require__(659),
+  "no-whitespace-before-property": () => __webpack_require__(660),
+  "no-with": () => __webpack_require__(661),
+  "nonblock-statement-body-position": () => __webpack_require__(662),
+  "object-curly-newline": () => __webpack_require__(663),
+  "object-curly-spacing": () => __webpack_require__(664),
+  "object-property-newline": () => __webpack_require__(665),
+  "object-shorthand": () => __webpack_require__(666),
+  "one-var": () => __webpack_require__(667),
+  "one-var-declaration-per-line": () => __webpack_require__(668),
+  "operator-assignment": () => __webpack_require__(669),
+  "operator-linebreak": () => __webpack_require__(670),
+  "padded-blocks": () => __webpack_require__(671),
+  "padding-line-between-statements": () => __webpack_require__(672),
+  "prefer-arrow-callback": () => __webpack_require__(673),
+  "prefer-const": () => __webpack_require__(674),
+  "prefer-destructuring": () => __webpack_require__(675),
+  "prefer-exponentiation-operator": () => __webpack_require__(676),
+  "prefer-named-capture-group": () => __webpack_require__(677),
+  "prefer-numeric-literals": () => __webpack_require__(678),
+  "prefer-object-spread": () => __webpack_require__(679),
+  "prefer-promise-reject-errors": () => __webpack_require__(680),
+  "prefer-reflect": () => __webpack_require__(681),
+  "prefer-regex-literals": () => __webpack_require__(682),
+  "prefer-rest-params": () => __webpack_require__(683),
+  "prefer-spread": () => __webpack_require__(684),
+  "prefer-template": () => __webpack_require__(685),
+  "quote-props": () => __webpack_require__(686),
+  quotes: () => __webpack_require__(687),
+  radix: () => __webpack_require__(688),
+  "require-atomic-updates": () => __webpack_require__(689),
+  "require-await": () => __webpack_require__(690),
+  "require-jsdoc": () => __webpack_require__(691),
+  "require-unicode-regexp": () => __webpack_require__(692),
+  "require-yield": () => __webpack_require__(693),
+  "rest-spread-spacing": () => __webpack_require__(694),
+  semi: () => __webpack_require__(695),
+  "semi-spacing": () => __webpack_require__(696),
+  "semi-style": () => __webpack_require__(697),
+  "sort-imports": () => __webpack_require__(698),
+  "sort-keys": () => __webpack_require__(699),
+  "sort-vars": () => __webpack_require__(701),
+  "space-before-blocks": () => __webpack_require__(702),
+  "space-before-function-paren": () => __webpack_require__(703),
+  "space-in-parens": () => __webpack_require__(704),
+  "space-infix-ops": () => __webpack_require__(705),
+  "space-unary-ops": () => __webpack_require__(706),
+  "spaced-comment": () => __webpack_require__(707),
+  strict: () => __webpack_require__(708),
+  "switch-colon-spacing": () => __webpack_require__(709),
+  "symbol-description": () => __webpack_require__(710),
+  "template-curly-spacing": () => __webpack_require__(711),
+  "template-tag-spacing": () => __webpack_require__(712),
+  "unicode-bom": () => __webpack_require__(713),
+  "use-isnan": () => __webpack_require__(714),
+  "valid-jsdoc": () => __webpack_require__(715),
+  "valid-typeof": () => __webpack_require__(720),
+  "vars-on-top": () => __webpack_require__(721),
+  "wrap-iife": () => __webpack_require__(722),
+  "wrap-regex": () => __webpack_require__(723),
+  "yield-star-spacing": () => __webpack_require__(724),
+  yoda: () => __webpack_require__(725)
+}));
+
+/***/ }),
+/* 415 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `Map` to load rules lazily.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+const debug = __webpack_require__(416)("eslint:rules");
+/** @typedef {import("./types").Rule} Rule */
+
+/**
+ * The `Map` object that loads each rule when it's accessed.
+ * @example
+ * const rules = new LazyLoadingRuleMap([
+ *     ["eqeqeq", () => require("eqeqeq")],
+ *     ["semi", () => require("semi")],
+ *     ["no-unused-vars", () => require("no-unused-vars")],
+ * ])
+ *
+ * rules.get("semi") // call `() => require("semi")` here.
+ *
+ * @extends {Map<string, () => Rule>}
+ */
+
+
+class LazyLoadingRuleMap extends Map {
+  /**
+   * Initialize this map.
+   * @param {Array<[string, function(): Rule]>} loaders The rule loaders.
+   */
+  constructor(loaders) {
+    let remaining = loaders.length;
+    super(debug.enabled ? loaders.map(([ruleId, load]) => {
+      let cache = null;
+      return [ruleId, () => {
+        if (!cache) {
+          debug("Loading rule %o (remaining=%d)", ruleId, --remaining);
+          cache = load();
+        }
+
+        return cache;
+      }];
+    }) : loaders); // `super(...iterable)` uses `this.set()`, so disable it here.
+
+    Object.defineProperty(LazyLoadingRuleMap.prototype, "set", {
+      configurable: true,
+      value: void 0
+    });
+  }
+  /**
+   * Get a rule.
+   * Each rule will be loaded on the first access.
+   * @param {string} ruleId The rule ID to get.
+   * @returns {Rule|undefined} The rule.
+   */
+
+
+  get(ruleId) {
+    const load = super.get(ruleId);
+    return load && load();
+  }
+  /**
+   * Iterate rules.
+   * @returns {IterableIterator<Rule>} Rules.
+   */
+
+
+  *values() {
+    for (const load of super.values()) {
+      yield load();
+    }
+  }
+  /**
+   * Iterate rules.
+   * @returns {IterableIterator<[string, Rule]>} Rules.
+   */
+
+
+  *entries() {
+    for (const [ruleId, load] of super.entries()) {
+      yield [ruleId, load()];
+    }
+  }
+  /**
+   * Call a function with each rule.
+   * @param {Function} callbackFn The callback function.
+   * @param {any} [thisArg] The object to pass to `this` of the callback function.
+   * @returns {void}
+   */
+
+
+  forEach(callbackFn, thisArg) {
+    for (const [ruleId, load] of super.entries()) {
+      callbackFn.call(thisArg, load(), ruleId, this);
+    }
+  }
+
+} // Forbid mutation.
+
+
+Object.defineProperties(LazyLoadingRuleMap.prototype, {
+  clear: {
+    configurable: true,
+    value: void 0
+  },
+  delete: {
+    configurable: true,
+    value: void 0
+  },
+  [Symbol.iterator]: {
+    configurable: true,
+    writable: true,
+    value: LazyLoadingRuleMap.prototype.entries
+  }
+});
+module.exports = {
+  LazyLoadingRuleMap
+};
+
+/***/ }),
+/* 416 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * Detect Electron renderer / nwjs process, which is node, but we should
+ * treat as a browser.
+ */
+if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
+  module.exports = __webpack_require__(417);
+} else {
+  module.exports = __webpack_require__(420);
+}
+
+/***/ }),
+/* 417 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* eslint-env browser */
+
+/**
+ * This is the web browser implementation of `debug()`.
+ */
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = localstorage();
+/**
+ * Colors.
+ */
+
+exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+// eslint-disable-next-line complexity
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
+    return true;
+  } // Internet Explorer and Edge do not support colors.
+
+
+  if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+    return false;
+  } // Is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+
+
+  return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
+  typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
+  // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
+  typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
+}
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+
+function formatArgs(args) {
+  args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);
+
+  if (!this.useColors) {
+    return;
+  }
+
+  const c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+
+  let index = 0;
+  let lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, match => {
+    if (match === '%%') {
+      return;
+    }
+
+    index++;
+
+    if (match === '%c') {
+      // We only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+  args.splice(lastC, 0, c);
+}
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+
+function log(...args) {
+  // This hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return typeof console === 'object' && console.log && console.log(...args);
+}
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+
+function save(namespaces) {
+  try {
+    if (namespaces) {
+      exports.storage.setItem('debug', namespaces);
+    } else {
+      exports.storage.removeItem('debug');
+    }
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+
+function load() {
+  let r;
+
+  try {
+    r = exports.storage.getItem('debug');
+  } catch (error) {} // Swallow
+  // XXX (@Qix-) should we be logging these?
+  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+
+
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+
+function localstorage() {
+  try {
+    // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
+    // The Browser also has localStorage in the global context.
+    return localStorage;
+  } catch (error) {// Swallow
+    // XXX (@Qix-) should we be logging these?
+  }
+}
+
+module.exports = __webpack_require__(418)(exports);
+const {
+  formatters
+} = module.exports;
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+formatters.j = function (v) {
+  try {
+    return JSON.stringify(v);
+  } catch (error) {
+    return '[UnexpectedJSONParseError]: ' + error.message;
+  }
+};
+
+/***/ }),
+/* 418 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ */
+function setup(env) {
+  createDebug.debug = createDebug;
+  createDebug.default = createDebug;
+  createDebug.coerce = coerce;
+  createDebug.disable = disable;
+  createDebug.enable = enable;
+  createDebug.enabled = enabled;
+  createDebug.humanize = __webpack_require__(419);
+  Object.keys(env).forEach(key => {
+    createDebug[key] = env[key];
+  });
+  /**
+  * Active `debug` instances.
+  */
+
+  createDebug.instances = [];
+  /**
+  * The currently active debug mode names, and names to skip.
+  */
+
+  createDebug.names = [];
+  createDebug.skips = [];
+  /**
+  * Map of special "%n" handling functions, for the debug "format" argument.
+  *
+  * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+  */
+
+  createDebug.formatters = {};
+  /**
+  * Selects a color for a debug namespace
+  * @param {String} namespace The namespace string for the for the debug instance to be colored
+  * @return {Number|String} An ANSI color code for the given namespace
+  * @api private
+  */
+
+  function selectColor(namespace) {
+    let hash = 0;
+
+    for (let i = 0; i < namespace.length; i++) {
+      hash = (hash << 5) - hash + namespace.charCodeAt(i);
+      hash |= 0; // Convert to 32bit integer
+    }
+
+    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
+  }
+
+  createDebug.selectColor = selectColor;
+  /**
+  * Create a debugger with the given `namespace`.
+  *
+  * @param {String} namespace
+  * @return {Function}
+  * @api public
+  */
+
+  function createDebug(namespace) {
+    let prevTime;
+
+    function debug(...args) {
+      // Disabled?
+      if (!debug.enabled) {
+        return;
+      }
+
+      const self = debug; // Set `diff` timestamp
+
+      const curr = Number(new Date());
+      const ms = curr - (prevTime || curr);
+      self.diff = ms;
+      self.prev = prevTime;
+      self.curr = curr;
+      prevTime = curr;
+      args[0] = createDebug.coerce(args[0]);
+
+      if (typeof args[0] !== 'string') {
+        // Anything else let's inspect with %O
+        args.unshift('%O');
+      } // Apply any `formatters` transformations
+
+
+      let index = 0;
+      args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
+        // If we encounter an escaped % then don't increase the array index
+        if (match === '%%') {
+          return match;
+        }
+
+        index++;
+        const formatter = createDebug.formatters[format];
+
+        if (typeof formatter === 'function') {
+          const val = args[index];
+          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`
+
+          args.splice(index, 1);
+          index--;
+        }
+
+        return match;
+      }); // Apply env-specific formatting (colors, etc.)
+
+      createDebug.formatArgs.call(self, args);
+      const logFn = self.log || createDebug.log;
+      logFn.apply(self, args);
+    }
+
+    debug.namespace = namespace;
+    debug.enabled = createDebug.enabled(namespace);
+    debug.useColors = createDebug.useColors();
+    debug.color = selectColor(namespace);
+    debug.destroy = destroy;
+    debug.extend = extend; // Debug.formatArgs = formatArgs;
+    // debug.rawLog = rawLog;
+    // env-specific initialization logic for debug instances
+
+    if (typeof createDebug.init === 'function') {
+      createDebug.init(debug);
+    }
+
+    createDebug.instances.push(debug);
+    return debug;
+  }
+
+  function destroy() {
+    const index = createDebug.instances.indexOf(this);
+
+    if (index !== -1) {
+      createDebug.instances.splice(index, 1);
+      return true;
+    }
+
+    return false;
+  }
+
+  function extend(namespace, delimiter) {
+    const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
+    newDebug.log = this.log;
+    return newDebug;
+  }
+  /**
+  * Enables a debug mode by namespaces. This can include modes
+  * separated by a colon and wildcards.
+  *
+  * @param {String} namespaces
+  * @api public
+  */
+
+
+  function enable(namespaces) {
+    createDebug.save(namespaces);
+    createDebug.names = [];
+    createDebug.skips = [];
+    let i;
+    const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+    const len = split.length;
+
+    for (i = 0; i < len; i++) {
+      if (!split[i]) {
+        // ignore empty strings
+        continue;
+      }
+
+      namespaces = split[i].replace(/\*/g, '.*?');
+
+      if (namespaces[0] === '-') {
+        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+      } else {
+        createDebug.names.push(new RegExp('^' + namespaces + '$'));
+      }
+    }
+
+    for (i = 0; i < createDebug.instances.length; i++) {
+      const instance = createDebug.instances[i];
+      instance.enabled = createDebug.enabled(instance.namespace);
+    }
+  }
+  /**
+  * Disable debug output.
+  *
+  * @return {String} namespaces
+  * @api public
+  */
+
+
+  function disable() {
+    const namespaces = [...createDebug.names.map(toNamespace), ...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)].join(',');
+    createDebug.enable('');
+    return namespaces;
+  }
+  /**
+  * Returns true if the given mode name is enabled, false otherwise.
+  *
+  * @param {String} name
+  * @return {Boolean}
+  * @api public
+  */
+
+
+  function enabled(name) {
+    if (name[name.length - 1] === '*') {
+      return true;
+    }
+
+    let i;
+    let len;
+
+    for (i = 0, len = createDebug.skips.length; i < len; i++) {
+      if (createDebug.skips[i].test(name)) {
+        return false;
+      }
+    }
+
+    for (i = 0, len = createDebug.names.length; i < len; i++) {
+      if (createDebug.names[i].test(name)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+  /**
+  * Convert regexp to namespace
+  *
+  * @param {RegExp} regxep
+  * @return {String} namespace
+  * @api private
+  */
+
+
+  function toNamespace(regexp) {
+    return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
+  }
+  /**
+  * Coerce `val`.
+  *
+  * @param {Mixed} val
+  * @return {Mixed}
+  * @api private
+  */
+
+
+  function coerce(val) {
+    if (val instanceof Error) {
+      return val.stack || val.message;
+    }
+
+    return val;
+  }
+
+  createDebug.enable(createDebug.load());
+  return createDebug;
+}
+
+module.exports = setup;
+
+/***/ }),
+/* 419 */
+/***/ (function(module, exports) {
+
+/**
+ * Helpers.
+ */
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {};
+  var type = typeof val;
+
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+
+  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
+};
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+
+function parse(str) {
+  str = String(str);
+
+  if (str.length > 100) {
+    return;
+  }
+
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);
+
+  if (!match) {
+    return;
+  }
+
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+
+    default:
+      return undefined;
+  }
+}
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+
+  return ms + 'ms';
+}
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+
+  return ms + ' ms';
+}
+/**
+ * Pluralization helper.
+ */
+
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
+
+/***/ }),
+/* 420 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * Module dependencies.
+ */
+const tty = __webpack_require__(421);
+
+const util = __webpack_require__(412);
+/**
+ * This is the Node.js implementation of `debug()`.
+ */
+
+
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+try {
+  // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
+  // eslint-disable-next-line import/no-extraneous-dependencies
+  const supportsColor = __webpack_require__(422);
+
+  if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
+    exports.colors = [20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62, 63, 68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112, 113, 128, 129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 178, 179, 184, 185, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 214, 215, 220, 221];
+  }
+} catch (error) {} // Swallow - we only care if `supports-color` is available; it doesn't have to be.
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+
+exports.inspectOpts = Object.keys(process.env).filter(key => {
+  return /^debug_/i.test(key);
+}).reduce((obj, key) => {
+  // Camel-case
+  const prop = key.substring(6).toLowerCase().replace(/_([a-z])/g, (_, k) => {
+    return k.toUpperCase();
+  }); // Coerce string value into JS value
+
+  let val = process.env[key];
+
+  if (/^(yes|on|true|enabled)$/i.test(val)) {
+    val = true;
+  } else if (/^(no|off|false|disabled)$/i.test(val)) {
+    val = false;
+  } else if (val === 'null') {
+    val = null;
+  } else {
+    val = Number(val);
+  }
+
+  obj[prop] = val;
+  return obj;
+}, {});
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+  return 'colors' in exports.inspectOpts ? Boolean(exports.inspectOpts.colors) : tty.isatty(process.stderr.fd);
+}
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+
+function formatArgs(args) {
+  const {
+    namespace: name,
+    useColors
+  } = this;
+
+  if (useColors) {
+    const c = this.color;
+    const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
+    const prefix = "  ".concat(colorCode, ";1m").concat(name, " \x1B[0m");
+    args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+    args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
+  } else {
+    args[0] = getDate() + name + ' ' + args[0];
+  }
+}
+
+function getDate() {
+  if (exports.inspectOpts.hideDate) {
+    return '';
+  }
+
+  return new Date().toISOString() + ' ';
+}
+/**
+ * Invokes `util.format()` with the specified arguments and writes to stderr.
+ */
+
+
+function log(...args) {
+  return process.stderr.write(util.format(...args) + '\n');
+}
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+
+function save(namespaces) {
+  if (namespaces) {
+    process.env.DEBUG = namespaces;
+  } else {
+    // If you set a process.env field to null or undefined, it gets cast to the
+    // string 'null' or 'undefined'. Just delete instead.
+    delete process.env.DEBUG;
+  }
+}
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+
+function load() {
+  return process.env.DEBUG;
+}
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+
+function init(debug) {
+  debug.inspectOpts = {};
+  const keys = Object.keys(exports.inspectOpts);
+
+  for (let i = 0; i < keys.length; i++) {
+    debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+  }
+}
+
+module.exports = __webpack_require__(418)(exports);
+const {
+  formatters
+} = module.exports;
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+formatters.o = function (v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts).replace(/\s*\n\s*/g, ' ');
+};
+/**
+ * Map %O to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+
+formatters.O = function (v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts);
+};
+
+/***/ }),
+/* 421 */
+/***/ (function(module, exports) {
+
+module.exports = require("tty");
+
+/***/ }),
+/* 422 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const os = __webpack_require__(423);
+
+const hasFlag = __webpack_require__(424);
+
+const env = process.env;
+let forceColor;
+
+if (hasFlag('no-color') || hasFlag('no-colors') || hasFlag('color=false')) {
+  forceColor = false;
+} else if (hasFlag('color') || hasFlag('colors') || hasFlag('color=true') || hasFlag('color=always')) {
+  forceColor = true;
+}
+
+if ('FORCE_COLOR' in env) {
+  forceColor = env.FORCE_COLOR.length === 0 || parseInt(env.FORCE_COLOR, 10) !== 0;
+}
+
+function translateLevel(level) {
+  if (level === 0) {
+    return false;
+  }
+
+  return {
+    level,
+    hasBasic: true,
+    has256: level >= 2,
+    has16m: level >= 3
+  };
+}
+
+function supportsColor(stream) {
+  if (forceColor === false) {
+    return 0;
+  }
+
+  if (hasFlag('color=16m') || hasFlag('color=full') || hasFlag('color=truecolor')) {
+    return 3;
+  }
+
+  if (hasFlag('color=256')) {
+    return 2;
+  }
+
+  if (stream && !stream.isTTY && forceColor !== true) {
+    return 0;
+  }
+
+  const min = forceColor ? 1 : 0;
+
+  if (process.platform === 'win32') {
+    // Node.js 7.5.0 is the first version of Node.js to include a patch to
+    // libuv that enables 256 color output on Windows. Anything earlier and it
+    // won't work. However, here we target Node.js 8 at minimum as it is an LTS
+    // release, and Node.js 7 is not. Windows 10 build 10586 is the first Windows
+    // release that supports 256 colors. Windows 10 build 14931 is the first release
+    // that supports 16m/TrueColor.
+    const osRelease = os.release().split('.');
+
+    if (Number(process.versions.node.split('.')[0]) >= 8 && Number(osRelease[0]) >= 10 && Number(osRelease[2]) >= 10586) {
+      return Number(osRelease[2]) >= 14931 ? 3 : 2;
+    }
+
+    return 1;
+  }
+
+  if ('CI' in env) {
+    if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
+      return 1;
+    }
+
+    return min;
+  }
+
+  if ('TEAMCITY_VERSION' in env) {
+    return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0;
+  }
+
+  if (env.COLORTERM === 'truecolor') {
+    return 3;
+  }
+
+  if ('TERM_PROGRAM' in env) {
+    const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10);
+
+    switch (env.TERM_PROGRAM) {
+      case 'iTerm.app':
+        return version >= 3 ? 3 : 2;
+
+      case 'Apple_Terminal':
+        return 2;
+      // No default
+    }
+  }
+
+  if (/-256(color)?$/i.test(env.TERM)) {
+    return 2;
+  }
+
+  if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) {
+    return 1;
+  }
+
+  if ('COLORTERM' in env) {
+    return 1;
+  }
+
+  if (env.TERM === 'dumb') {
+    return min;
+  }
+
+  return min;
+}
+
+function getSupportLevel(stream) {
+  const level = supportsColor(stream);
+  return translateLevel(level);
+}
+
+module.exports = {
+  supportsColor: getSupportLevel,
+  stdout: getSupportLevel(process.stdout),
+  stderr: getSupportLevel(process.stderr)
+};
+
+/***/ }),
+/* 423 */
+/***/ (function(module, exports) {
+
+module.exports = require("os");
+
+/***/ }),
+/* 424 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = (flag, argv) => {
+  argv = argv || process.argv;
+  const prefix = flag.startsWith('-') ? '' : flag.length === 1 ? '-' : '--';
+  const pos = argv.indexOf(prefix + flag);
+  const terminatorPos = argv.indexOf('--');
+  return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos);
+};
+
+/***/ }),
+/* 425 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag wrapping non-iife in parens
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Property name if it can be computed statically, otherwise the list of the tokens of the key node.
+ * @typedef {string|Token[]} Key
+ */
+
+/**
+ * Accessor nodes with the same key.
+ * @typedef {Object} AccessorData
+ * @property {Key} key Accessor's key
+ * @property {ASTNode[]} getters List of getter nodes.
+ * @property {ASTNode[]} setters List of setter nodes.
+ */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not the given lists represent the equal tokens in the same order.
+ * Tokens are compared by their properties, not by instance.
+ * @param {Token[]} left First list of tokens.
+ * @param {Token[]} right Second list of tokens.
+ * @returns {boolean} `true` if the lists have same tokens.
+ */
+
+
+function areEqualTokenLists(left, right) {
+  if (left.length !== right.length) {
+    return false;
+  }
+
+  for (let i = 0; i < left.length; i++) {
+    const leftToken = left[i],
+          rightToken = right[i];
+
+    if (leftToken.type !== rightToken.type || leftToken.value !== rightToken.value) {
+      return false;
+    }
+  }
+
+  return true;
+}
+/**
+ * Checks whether or not the given keys are equal.
+ * @param {Key} left First key.
+ * @param {Key} right Second key.
+ * @returns {boolean} `true` if the keys are equal.
+ */
+
+
+function areEqualKeys(left, right) {
+  if (typeof left === "string" && typeof right === "string") {
+    // Statically computed names.
+    return left === right;
+  }
+
+  if (Array.isArray(left) && Array.isArray(right)) {
+    // Token lists.
+    return areEqualTokenLists(left, right);
+  }
+
+  return false;
+}
+/**
+ * Checks whether or not a given node is of an accessor kind ('get' or 'set').
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is of an accessor kind.
+ */
+
+
+function isAccessorKind(node) {
+  return node.kind === "get" || node.kind === "set";
+}
+/**
+ * Checks whether or not a given node is an `Identifier` node which was named a given name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name An expected name of the node.
+ * @returns {boolean} `true` if the node is an `Identifier` node which was named as expected.
+ */
+
+
+function isIdentifier(node, name) {
+  return node.type === "Identifier" && node.name === name;
+}
+/**
+ * Checks whether or not a given node is an argument of a specified method call.
+ * @param {ASTNode} node A node to check.
+ * @param {number} index An expected index of the node in arguments.
+ * @param {string} object An expected name of the object of the method.
+ * @param {string} property An expected name of the method.
+ * @returns {boolean} `true` if the node is an argument of the specified method call.
+ */
+
+
+function isArgumentOfMethodCall(node, index, object, property) {
+  const parent = node.parent;
+  return parent.type === "CallExpression" && parent.callee.type === "MemberExpression" && parent.callee.computed === false && isIdentifier(parent.callee.object, object) && isIdentifier(parent.callee.property, property) && parent.arguments[index] === node;
+}
+/**
+ * Checks whether or not a given node is a property descriptor.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a property descriptor.
+ */
+
+
+function isPropertyDescriptor(node) {
+  // Object.defineProperty(obj, "foo", {set: ...})
+  if (isArgumentOfMethodCall(node, 2, "Object", "defineProperty") || isArgumentOfMethodCall(node, 2, "Reflect", "defineProperty")) {
+    return true;
+  }
+  /*
+   * Object.defineProperties(obj, {foo: {set: ...}})
+   * Object.create(proto, {foo: {set: ...}})
+   */
+
+
+  const grandparent = node.parent.parent;
+  return grandparent.type === "ObjectExpression" && (isArgumentOfMethodCall(grandparent, 1, "Object", "create") || isArgumentOfMethodCall(grandparent, 1, "Object", "defineProperties"));
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce getter and setter pairs in objects and classes",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/accessor-pairs"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        getWithoutSet: {
+          type: "boolean",
+          default: false
+        },
+        setWithoutGet: {
+          type: "boolean",
+          default: true
+        },
+        enforceForClassMembers: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingGetterInPropertyDescriptor: "Getter is not present in property descriptor.",
+      missingSetterInPropertyDescriptor: "Setter is not present in property descriptor.",
+      missingGetterInObjectLiteral: "Getter is not present for {{ name }}.",
+      missingSetterInObjectLiteral: "Setter is not present for {{ name }}.",
+      missingGetterInClass: "Getter is not present for class {{ name }}.",
+      missingSetterInClass: "Setter is not present for class {{ name }}."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || {};
+    const checkGetWithoutSet = config.getWithoutSet === true;
+    const checkSetWithoutGet = config.setWithoutGet !== false;
+    const enforceForClassMembers = config.enforceForClassMembers !== false;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports the given node.
+     * @param {ASTNode} node The node to report.
+     * @param {string} messageKind "missingGetter" or "missingSetter".
+     * @returns {void}
+     * @private
+     */
+
+    function report(node, messageKind) {
+      if (node.type === "Property") {
+        context.report({
+          node,
+          messageId: "".concat(messageKind, "InObjectLiteral"),
+          loc: astUtils.getFunctionHeadLoc(node.value, sourceCode),
+          data: {
+            name: astUtils.getFunctionNameWithKind(node.value)
+          }
+        });
+      } else if (node.type === "MethodDefinition") {
+        context.report({
+          node,
+          messageId: "".concat(messageKind, "InClass"),
+          loc: astUtils.getFunctionHeadLoc(node.value, sourceCode),
+          data: {
+            name: astUtils.getFunctionNameWithKind(node.value)
+          }
+        });
+      } else {
+        context.report({
+          node,
+          messageId: "".concat(messageKind, "InPropertyDescriptor")
+        });
+      }
+    }
+    /**
+     * Reports each of the nodes in the given list using the same messageId.
+     * @param {ASTNode[]} nodes Nodes to report.
+     * @param {string} messageKind "missingGetter" or "missingSetter".
+     * @returns {void}
+     * @private
+     */
+
+
+    function reportList(nodes, messageKind) {
+      for (const node of nodes) {
+        report(node, messageKind);
+      }
+    }
+    /**
+     * Creates a new `AccessorData` object for the given getter or setter node.
+     * @param {ASTNode} node A getter or setter node.
+     * @returns {AccessorData} New `AccessorData` object that contains the given node.
+     * @private
+     */
+
+
+    function createAccessorData(node) {
+      const name = astUtils.getStaticPropertyName(node);
+      const key = name !== null ? name : sourceCode.getTokens(node.key);
+      return {
+        key,
+        getters: node.kind === "get" ? [node] : [],
+        setters: node.kind === "set" ? [node] : []
+      };
+    }
+    /**
+     * Merges the given `AccessorData` object into the given accessors list.
+     * @param {AccessorData[]} accessors The list to merge into.
+     * @param {AccessorData} accessorData The object to merge.
+     * @returns {AccessorData[]} The same instance with the merged object.
+     * @private
+     */
+
+
+    function mergeAccessorData(accessors, accessorData) {
+      const equalKeyElement = accessors.find(a => areEqualKeys(a.key, accessorData.key));
+
+      if (equalKeyElement) {
+        equalKeyElement.getters.push(...accessorData.getters);
+        equalKeyElement.setters.push(...accessorData.setters);
+      } else {
+        accessors.push(accessorData);
+      }
+
+      return accessors;
+    }
+    /**
+     * Checks accessor pairs in the given list of nodes.
+     * @param {ASTNode[]} nodes The list to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkList(nodes) {
+      const accessors = nodes.filter(isAccessorKind).map(createAccessorData).reduce(mergeAccessorData, []);
+
+      for (const {
+        getters,
+        setters
+      } of accessors) {
+        if (checkSetWithoutGet && setters.length && !getters.length) {
+          reportList(setters, "missingGetter");
+        }
+
+        if (checkGetWithoutSet && getters.length && !setters.length) {
+          reportList(getters, "missingSetter");
+        }
+      }
+    }
+    /**
+     * Checks accessor pairs in an object literal.
+     * @param {ASTNode} node `ObjectExpression` node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkObjectLiteral(node) {
+      checkList(node.properties.filter(p => p.type === "Property"));
+    }
+    /**
+     * Checks accessor pairs in a property descriptor.
+     * @param {ASTNode} node Property descriptor `ObjectExpression` node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkPropertyDescriptor(node) {
+      const namesToCheck = node.properties.filter(p => p.type === "Property" && p.kind === "init" && !p.computed).map(({
+        key
+      }) => key.name);
+      const hasGetter = namesToCheck.includes("get");
+      const hasSetter = namesToCheck.includes("set");
+
+      if (checkSetWithoutGet && hasSetter && !hasGetter) {
+        report(node, "missingGetter");
+      }
+
+      if (checkGetWithoutSet && hasGetter && !hasSetter) {
+        report(node, "missingSetter");
+      }
+    }
+    /**
+     * Checks the given object expression as an object literal and as a possible property descriptor.
+     * @param {ASTNode} node `ObjectExpression` node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkObjectExpression(node) {
+      checkObjectLiteral(node);
+
+      if (isPropertyDescriptor(node)) {
+        checkPropertyDescriptor(node);
+      }
+    }
+    /**
+     * Checks the given class body.
+     * @param {ASTNode} node `ClassBody` node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkClassBody(node) {
+      const methodDefinitions = node.body.filter(m => m.type === "MethodDefinition");
+      checkList(methodDefinitions.filter(m => m.static));
+      checkList(methodDefinitions.filter(m => !m.static));
+    }
+
+    const listeners = {};
+
+    if (checkSetWithoutGet || checkGetWithoutSet) {
+      listeners.ObjectExpression = checkObjectExpression;
+
+      if (enforceForClassMembers) {
+        listeners.ClassBody = checkClassBody;
+      }
+    }
+
+    return listeners;
+  }
+
+};
+
+/***/ }),
+/* 426 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Common utils for AST.
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const esutils = __webpack_require__(427);
+
+const espree = __webpack_require__(394);
+
+const lodash = __webpack_require__(403);
+
+const {
+  breakableTypePattern,
+  createGlobalLinebreakMatcher,
+  lineBreakPattern,
+  shebangPattern
+} = __webpack_require__(409); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const anyFunctionPattern = /^(?:Function(?:Declaration|Expression)|ArrowFunctionExpression)$/u;
+const anyLoopPattern = /^(?:DoWhile|For|ForIn|ForOf|While)Statement$/u;
+const arrayOrTypedArrayPattern = /Array$/u;
+const arrayMethodPattern = /^(?:every|filter|find|findIndex|forEach|map|some)$/u;
+const bindOrCallOrApplyPattern = /^(?:bind|call|apply)$/u;
+const thisTagPattern = /^[\s*]*@this/mu;
+const COMMENTS_IGNORE_PATTERN = /^\s*(?:eslint|jshint\s+|jslint\s+|istanbul\s+|globals?\s+|exported\s+|jscs)/u;
+const LINEBREAKS = new Set(["\r\n", "\r", "\n", "\u2028", "\u2029"]); // A set of node types that can contain a list of statements
+
+const STATEMENT_LIST_PARENTS = new Set(["Program", "BlockStatement", "SwitchCase"]);
+const DECIMAL_INTEGER_PATTERN = /^(0|[1-9]\d*)$/u;
+const OCTAL_ESCAPE_PATTERN = /^(?:[^\\]|\\[^0-7]|\\0(?![0-9]))*\\(?:[1-7]|0[0-9])/u;
+/**
+ * Checks reference if is non initializer and writable.
+ * @param {Reference} reference A reference to check.
+ * @param {int} index The index of the reference in the references.
+ * @param {Reference[]} references The array that the reference belongs to.
+ * @returns {boolean} Success/Failure
+ * @private
+ */
+
+function isModifyingReference(reference, index, references) {
+  const identifier = reference.identifier;
+  /*
+   * Destructuring assignments can have multiple default value, so
+   * possibly there are multiple writeable references for the same
+   * identifier.
+   */
+
+  const modifyingDifferentIdentifier = index === 0 || references[index - 1].identifier !== identifier;
+  return identifier && reference.init === false && reference.isWrite() && modifyingDifferentIdentifier;
+}
+/**
+ * Checks whether the given string starts with uppercase or not.
+ * @param {string} s The string to check.
+ * @returns {boolean} `true` if the string starts with uppercase.
+ */
+
+
+function startsWithUpperCase(s) {
+  return s[0] !== s[0].toLocaleLowerCase();
+}
+/**
+ * Checks whether or not a node is a constructor.
+ * @param {ASTNode} node A function node to check.
+ * @returns {boolean} Wehether or not a node is a constructor.
+ */
+
+
+function isES5Constructor(node) {
+  return node.id && startsWithUpperCase(node.id.name);
+}
+/**
+ * Finds a function node from ancestors of a node.
+ * @param {ASTNode} node A start node to find.
+ * @returns {Node|null} A found function node.
+ */
+
+
+function getUpperFunction(node) {
+  for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+    if (anyFunctionPattern.test(currentNode.type)) {
+      return currentNode;
+    }
+  }
+
+  return null;
+}
+/**
+ * Checks whether a given node is a function node or not.
+ * The following types are function nodes:
+ *
+ * - ArrowFunctionExpression
+ * - FunctionDeclaration
+ * - FunctionExpression
+ * @param {ASTNode|null} node A node to check.
+ * @returns {boolean} `true` if the node is a function node.
+ */
+
+
+function isFunction(node) {
+  return Boolean(node && anyFunctionPattern.test(node.type));
+}
+/**
+ * Checks whether a given node is a loop node or not.
+ * The following types are loop nodes:
+ *
+ * - DoWhileStatement
+ * - ForInStatement
+ * - ForOfStatement
+ * - ForStatement
+ * - WhileStatement
+ * @param {ASTNode|null} node A node to check.
+ * @returns {boolean} `true` if the node is a loop node.
+ */
+
+
+function isLoop(node) {
+  return Boolean(node && anyLoopPattern.test(node.type));
+}
+/**
+ * Checks whether the given node is in a loop or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is in a loop.
+ */
+
+
+function isInLoop(node) {
+  for (let currentNode = node; currentNode && !isFunction(currentNode); currentNode = currentNode.parent) {
+    if (isLoop(currentNode)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+/**
+ * Checks whether or not a node is `null` or `undefined`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `null` or `undefined`.
+ * @public
+ */
+
+
+function isNullOrUndefined(node) {
+  return module.exports.isNullLiteral(node) || node.type === "Identifier" && node.name === "undefined" || node.type === "UnaryExpression" && node.operator === "void";
+}
+/**
+ * Checks whether or not a node is callee.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is callee.
+ */
+
+
+function isCallee(node) {
+  return node.parent.type === "CallExpression" && node.parent.callee === node;
+}
+/**
+ * Checks whether or not a node is `Reflect.apply`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `Reflect.apply`.
+ */
+
+
+function isReflectApply(node) {
+  return node.type === "MemberExpression" && node.object.type === "Identifier" && node.object.name === "Reflect" && node.property.type === "Identifier" && node.property.name === "apply" && node.computed === false;
+}
+/**
+ * Checks whether or not a node is `Array.from`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a `Array.from`.
+ */
+
+
+function isArrayFromMethod(node) {
+  return node.type === "MemberExpression" && node.object.type === "Identifier" && arrayOrTypedArrayPattern.test(node.object.name) && node.property.type === "Identifier" && node.property.name === "from" && node.computed === false;
+}
+/**
+ * Checks whether or not a node is a method which has `thisArg`.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} Whether or not the node is a method which has `thisArg`.
+ */
+
+
+function isMethodWhichHasThisArg(node) {
+  for (let currentNode = node; currentNode.type === "MemberExpression" && !currentNode.computed; currentNode = currentNode.property) {
+    if (currentNode.property.type === "Identifier") {
+      return arrayMethodPattern.test(currentNode.property.name);
+    }
+  }
+
+  return false;
+}
+/**
+ * Creates the negate function of the given function.
+ * @param {Function} f The function to negate.
+ * @returns {Function} Negated function.
+ */
+
+
+function negate(f) {
+  return token => !f(token);
+}
+/**
+ * Checks whether or not a node has a `@this` tag in its comments.
+ * @param {ASTNode} node A node to check.
+ * @param {SourceCode} sourceCode A SourceCode instance to get comments.
+ * @returns {boolean} Whether or not the node has a `@this` tag in its comments.
+ */
+
+
+function hasJSDocThisTag(node, sourceCode) {
+  const jsdocComment = sourceCode.getJSDocComment(node);
+
+  if (jsdocComment && thisTagPattern.test(jsdocComment.value)) {
+    return true;
+  } // Checks `@this` in its leading comments for callbacks,
+  // because callbacks don't have its JSDoc comment.
+  // e.g.
+  //     sinon.test(/* @this sinon.Sandbox */function() { this.spy(); });
+
+
+  return sourceCode.getCommentsBefore(node).some(comment => thisTagPattern.test(comment.value));
+}
+/**
+ * Determines if a node is surrounded by parentheses.
+ * @param {SourceCode} sourceCode The ESLint source code object
+ * @param {ASTNode} node The node to be checked.
+ * @returns {boolean} True if the node is parenthesised.
+ * @private
+ */
+
+
+function isParenthesised(sourceCode, node) {
+  const previousToken = sourceCode.getTokenBefore(node),
+        nextToken = sourceCode.getTokenAfter(node);
+  return Boolean(previousToken && nextToken) && previousToken.value === "(" && previousToken.range[1] <= node.range[0] && nextToken.value === ")" && nextToken.range[0] >= node.range[1];
+}
+/**
+ * Checks if the given token is an arrow token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an arrow token.
+ */
+
+
+function isArrowToken(token) {
+  return token.value === "=>" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a comma token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a comma token.
+ */
+
+
+function isCommaToken(token) {
+  return token.value === "," && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a dot token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a dot token.
+ */
+
+
+function isDotToken(token) {
+  return token.value === "." && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a semicolon token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a semicolon token.
+ */
+
+
+function isSemicolonToken(token) {
+  return token.value === ";" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a colon token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a colon token.
+ */
+
+
+function isColonToken(token) {
+  return token.value === ":" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening parenthesis token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening parenthesis token.
+ */
+
+
+function isOpeningParenToken(token) {
+  return token.value === "(" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing parenthesis token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing parenthesis token.
+ */
+
+
+function isClosingParenToken(token) {
+  return token.value === ")" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening square bracket token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening square bracket token.
+ */
+
+
+function isOpeningBracketToken(token) {
+  return token.value === "[" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing square bracket token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing square bracket token.
+ */
+
+
+function isClosingBracketToken(token) {
+  return token.value === "]" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening brace token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is an opening brace token.
+ */
+
+
+function isOpeningBraceToken(token) {
+  return token.value === "{" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing brace token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a closing brace token.
+ */
+
+
+function isClosingBraceToken(token) {
+  return token.value === "}" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a comment token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a comment token.
+ */
+
+
+function isCommentToken(token) {
+  return token.type === "Line" || token.type === "Block" || token.type === "Shebang";
+}
+/**
+ * Checks if the given token is a keyword token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a keyword token.
+ */
+
+
+function isKeywordToken(token) {
+  return token.type === "Keyword";
+}
+/**
+ * Gets the `(` token of the given function node.
+ * @param {ASTNode} node The function node to get.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {Token} `(` token.
+ */
+
+
+function getOpeningParenOfParams(node, sourceCode) {
+  return node.id ? sourceCode.getTokenAfter(node.id, isOpeningParenToken) : sourceCode.getFirstToken(node, isOpeningParenToken);
+}
+/**
+ * Checks whether or not the tokens of two given nodes are same.
+ * @param {ASTNode} left A node 1 to compare.
+ * @param {ASTNode} right A node 2 to compare.
+ * @param {SourceCode} sourceCode The ESLint source code object.
+ * @returns {boolean} the source code for the given node.
+ */
+
+
+function equalTokens(left, right, sourceCode) {
+  const tokensL = sourceCode.getTokens(left);
+  const tokensR = sourceCode.getTokens(right);
+
+  if (tokensL.length !== tokensR.length) {
+    return false;
+  }
+
+  for (let i = 0; i < tokensL.length; ++i) {
+    if (tokensL[i].type !== tokensR[i].type || tokensL[i].value !== tokensR[i].value) {
+      return false;
+    }
+  }
+
+  return true;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  COMMENTS_IGNORE_PATTERN,
+  LINEBREAKS,
+  LINEBREAK_MATCHER: lineBreakPattern,
+  SHEBANG_MATCHER: shebangPattern,
+  STATEMENT_LIST_PARENTS,
+
+  /**
+   * Determines whether two adjacent tokens are on the same line.
+   * @param {Object} left The left token object.
+   * @param {Object} right The right token object.
+   * @returns {boolean} Whether or not the tokens are on the same line.
+   * @public
+   */
+  isTokenOnSameLine(left, right) {
+    return left.loc.end.line === right.loc.start.line;
+  },
+
+  isNullOrUndefined,
+  isCallee,
+  isES5Constructor,
+  getUpperFunction,
+  isFunction,
+  isLoop,
+  isInLoop,
+  isArrayFromMethod,
+  isParenthesised,
+  createGlobalLinebreakMatcher,
+  equalTokens,
+  isArrowToken,
+  isClosingBraceToken,
+  isClosingBracketToken,
+  isClosingParenToken,
+  isColonToken,
+  isCommaToken,
+  isCommentToken,
+  isDotToken,
+  isKeywordToken,
+  isNotClosingBraceToken: negate(isClosingBraceToken),
+  isNotClosingBracketToken: negate(isClosingBracketToken),
+  isNotClosingParenToken: negate(isClosingParenToken),
+  isNotColonToken: negate(isColonToken),
+  isNotCommaToken: negate(isCommaToken),
+  isNotDotToken: negate(isDotToken),
+  isNotOpeningBraceToken: negate(isOpeningBraceToken),
+  isNotOpeningBracketToken: negate(isOpeningBracketToken),
+  isNotOpeningParenToken: negate(isOpeningParenToken),
+  isNotSemicolonToken: negate(isSemicolonToken),
+  isOpeningBraceToken,
+  isOpeningBracketToken,
+  isOpeningParenToken,
+  isSemicolonToken,
+
+  /**
+   * Checks whether or not a given node is a string literal.
+   * @param {ASTNode} node A node to check.
+   * @returns {boolean} `true` if the node is a string literal.
+   */
+  isStringLiteral(node) {
+    return node.type === "Literal" && typeof node.value === "string" || node.type === "TemplateLiteral";
+  },
+
+  /**
+   * Checks whether a given node is a breakable statement or not.
+   * The node is breakable if the node is one of the following type:
+   *
+   * - DoWhileStatement
+   * - ForInStatement
+   * - ForOfStatement
+   * - ForStatement
+   * - SwitchStatement
+   * - WhileStatement
+   * @param {ASTNode} node A node to check.
+   * @returns {boolean} `true` if the node is breakable.
+   */
+  isBreakableStatement(node) {
+    return breakableTypePattern.test(node.type);
+  },
+
+  /**
+   * Gets references which are non initializer and writable.
+   * @param {Reference[]} references An array of references.
+   * @returns {Reference[]} An array of only references which are non initializer and writable.
+   * @public
+   */
+  getModifyingReferences(references) {
+    return references.filter(isModifyingReference);
+  },
+
+  /**
+   * Validate that a string passed in is surrounded by the specified character
+   * @param  {string} val The text to check.
+   * @param  {string} character The character to see if it's surrounded by.
+   * @returns {boolean} True if the text is surrounded by the character, false if not.
+   * @private
+   */
+  isSurroundedBy(val, character) {
+    return val[0] === character && val[val.length - 1] === character;
+  },
+
+  /**
+   * Returns whether the provided node is an ESLint directive comment or not
+   * @param {Line|Block} node The comment token to be checked
+   * @returns {boolean} `true` if the node is an ESLint directive comment
+   */
+  isDirectiveComment(node) {
+    const comment = node.value.trim();
+    return node.type === "Line" && comment.indexOf("eslint-") === 0 || node.type === "Block" && (comment.indexOf("global ") === 0 || comment.indexOf("eslint ") === 0 || comment.indexOf("eslint-") === 0);
+  },
+
+  /**
+   * Gets the trailing statement of a given node.
+   *
+   *     if (code)
+   *         consequent;
+   *
+   * When taking this `IfStatement`, returns `consequent;` statement.
+   * @param {ASTNode} A node to get.
+   * @returns {ASTNode|null} The trailing statement's node.
+   */
+  getTrailingStatement: esutils.ast.trailingStatement,
+
+  /**
+   * Finds the variable by a given name in a given scope and its upper scopes.
+   * @param {eslint-scope.Scope} initScope A scope to start find.
+   * @param {string} name A variable name to find.
+   * @returns {eslint-scope.Variable|null} A found variable or `null`.
+   */
+  getVariableByName(initScope, name) {
+    let scope = initScope;
+
+    while (scope) {
+      const variable = scope.set.get(name);
+
+      if (variable) {
+        return variable;
+      }
+
+      scope = scope.upper;
+    }
+
+    return null;
+  },
+
+  /**
+   * Checks whether or not a given function node is the default `this` binding.
+   *
+   * First, this checks the node:
+   *
+   * - The function name does not start with uppercase. It's a convention to capitalize the names
+   *   of constructor functions. This check is not performed if `capIsConstructor` is set to `false`.
+   * - The function does not have a JSDoc comment that has a @this tag.
+   *
+   * Next, this checks the location of the node.
+   * If the location is below, this judges `this` is valid.
+   *
+   * - The location is not on an object literal.
+   * - The location is not assigned to a variable which starts with an uppercase letter. Applies to anonymous
+   *   functions only, as the name of the variable is considered to be the name of the function in this case.
+   *   This check is not performed if `capIsConstructor` is set to `false`.
+   * - The location is not on an ES2015 class.
+   * - Its `bind`/`call`/`apply` method is not called directly.
+   * - The function is not a callback of array methods (such as `.forEach()`) if `thisArg` is given.
+   * @param {ASTNode} node A function node to check.
+   * @param {SourceCode} sourceCode A SourceCode instance to get comments.
+   * @param {boolean} [capIsConstructor = true] `false` disables the assumption that functions which name starts
+   * with an uppercase or are assigned to a variable which name starts with an uppercase are constructors.
+   * @returns {boolean} The function node is the default `this` binding.
+   */
+  isDefaultThisBinding(node, sourceCode, {
+    capIsConstructor = true
+  } = {}) {
+    if (capIsConstructor && isES5Constructor(node) || hasJSDocThisTag(node, sourceCode)) {
+      return false;
+    }
+
+    const isAnonymous = node.id === null;
+    let currentNode = node;
+
+    while (currentNode) {
+      const parent = currentNode.parent;
+
+      switch (parent.type) {
+        /*
+         * Looks up the destination.
+         * e.g., obj.foo = nativeFoo || function foo() { ... };
+         */
+        case "LogicalExpression":
+        case "ConditionalExpression":
+          currentNode = parent;
+          break;
+
+        /*
+         * If the upper function is IIFE, checks the destination of the return value.
+         * e.g.
+         *   obj.foo = (function() {
+         *     // setup...
+         *     return function foo() { ... };
+         *   })();
+         *   obj.foo = (() =>
+         *     function foo() { ... }
+         *   )();
+         */
+
+        case "ReturnStatement":
+          {
+            const func = getUpperFunction(parent);
+
+            if (func === null || !isCallee(func)) {
+              return true;
+            }
+
+            currentNode = func.parent;
+            break;
+          }
+
+        case "ArrowFunctionExpression":
+          if (currentNode !== parent.body || !isCallee(parent)) {
+            return true;
+          }
+
+          currentNode = parent.parent;
+          break;
+
+        /*
+         * e.g.
+         *   var obj = { foo() { ... } };
+         *   var obj = { foo: function() { ... } };
+         *   class A { constructor() { ... } }
+         *   class A { foo() { ... } }
+         *   class A { get foo() { ... } }
+         *   class A { set foo() { ... } }
+         *   class A { static foo() { ... } }
+         */
+
+        case "Property":
+        case "MethodDefinition":
+          return parent.value !== currentNode;
+
+        /*
+         * e.g.
+         *   obj.foo = function foo() { ... };
+         *   Foo = function() { ... };
+         *   [obj.foo = function foo() { ... }] = a;
+         *   [Foo = function() { ... }] = a;
+         */
+
+        case "AssignmentExpression":
+        case "AssignmentPattern":
+          if (parent.left.type === "MemberExpression") {
+            return false;
+          }
+
+          if (capIsConstructor && isAnonymous && parent.left.type === "Identifier" && startsWithUpperCase(parent.left.name)) {
+            return false;
+          }
+
+          return true;
+
+        /*
+         * e.g.
+         *   var Foo = function() { ... };
+         */
+
+        case "VariableDeclarator":
+          return !(capIsConstructor && isAnonymous && parent.init === currentNode && parent.id.type === "Identifier" && startsWithUpperCase(parent.id.name));
+
+        /*
+         * e.g.
+         *   var foo = function foo() { ... }.bind(obj);
+         *   (function foo() { ... }).call(obj);
+         *   (function foo() { ... }).apply(obj, []);
+         */
+
+        case "MemberExpression":
+          return parent.object !== currentNode || parent.property.type !== "Identifier" || !bindOrCallOrApplyPattern.test(parent.property.name) || !isCallee(parent) || parent.parent.arguments.length === 0 || isNullOrUndefined(parent.parent.arguments[0]);
+
+        /*
+         * e.g.
+         *   Reflect.apply(function() {}, obj, []);
+         *   Array.from([], function() {}, obj);
+         *   list.forEach(function() {}, obj);
+         */
+
+        case "CallExpression":
+          if (isReflectApply(parent.callee)) {
+            return parent.arguments.length !== 3 || parent.arguments[0] !== currentNode || isNullOrUndefined(parent.arguments[1]);
+          }
+
+          if (isArrayFromMethod(parent.callee)) {
+            return parent.arguments.length !== 3 || parent.arguments[1] !== currentNode || isNullOrUndefined(parent.arguments[2]);
+          }
+
+          if (isMethodWhichHasThisArg(parent.callee)) {
+            return parent.arguments.length !== 2 || parent.arguments[0] !== currentNode || isNullOrUndefined(parent.arguments[1]);
+          }
+
+          return true;
+        // Otherwise `this` is default.
+
+        default:
+          return true;
+      }
+    }
+    /* istanbul ignore next */
+
+
+    return true;
+  },
+
+  /**
+   * Get the precedence level based on the node type
+   * @param {ASTNode} node node to evaluate
+   * @returns {int} precedence level
+   * @private
+   */
+  getPrecedence(node) {
+    switch (node.type) {
+      case "SequenceExpression":
+        return 0;
+
+      case "AssignmentExpression":
+      case "ArrowFunctionExpression":
+      case "YieldExpression":
+        return 1;
+
+      case "ConditionalExpression":
+        return 3;
+
+      case "LogicalExpression":
+        switch (node.operator) {
+          case "||":
+            return 4;
+
+          case "&&":
+            return 5;
+          // no default
+        }
+
+      /* falls through */
+
+      case "BinaryExpression":
+        switch (node.operator) {
+          case "|":
+            return 6;
+
+          case "^":
+            return 7;
+
+          case "&":
+            return 8;
+
+          case "==":
+          case "!=":
+          case "===":
+          case "!==":
+            return 9;
+
+          case "<":
+          case "<=":
+          case ">":
+          case ">=":
+          case "in":
+          case "instanceof":
+            return 10;
+
+          case "<<":
+          case ">>":
+          case ">>>":
+            return 11;
+
+          case "+":
+          case "-":
+            return 12;
+
+          case "*":
+          case "/":
+          case "%":
+            return 13;
+
+          case "**":
+            return 15;
+          // no default
+        }
+
+      /* falls through */
+
+      case "UnaryExpression":
+      case "AwaitExpression":
+        return 16;
+
+      case "UpdateExpression":
+        return 17;
+
+      case "CallExpression":
+      case "ImportExpression":
+        return 18;
+
+      case "NewExpression":
+        return 19;
+
+      default:
+        return 20;
+    }
+  },
+
+  /**
+   * Checks whether the given node is an empty block node or not.
+   * @param {ASTNode|null} node The node to check.
+   * @returns {boolean} `true` if the node is an empty block.
+   */
+  isEmptyBlock(node) {
+    return Boolean(node && node.type === "BlockStatement" && node.body.length === 0);
+  },
+
+  /**
+   * Checks whether the given node is an empty function node or not.
+   * @param {ASTNode|null} node The node to check.
+   * @returns {boolean} `true` if the node is an empty function.
+   */
+  isEmptyFunction(node) {
+    return isFunction(node) && module.exports.isEmptyBlock(node.body);
+  },
+
+  /**
+   * Returns the result of the string conversion applied to the evaluated value of the given expression node,
+   * if it can be determined statically.
+   *
+   * This function returns a `string` value for all `Literal` nodes and simple `TemplateLiteral` nodes only.
+   * In all other cases, this function returns `null`.
+   * @param {ASTNode} node Expression node.
+   * @returns {string|null} String value if it can be determined. Otherwise, `null`.
+   */
+  getStaticStringValue(node) {
+    switch (node.type) {
+      case "Literal":
+        if (node.value === null) {
+          if (module.exports.isNullLiteral(node)) {
+            return String(node.value); // "null"
+          }
+
+          if (node.regex) {
+            return "/".concat(node.regex.pattern, "/").concat(node.regex.flags);
+          }
+
+          if (node.bigint) {
+            return node.bigint;
+          } // Otherwise, this is an unknown literal. The function will return null.
+
+        } else {
+          return String(node.value);
+        }
+
+        break;
+
+      case "TemplateLiteral":
+        if (node.expressions.length === 0 && node.quasis.length === 1) {
+          return node.quasis[0].value.cooked;
+        }
+
+        break;
+      // no default
+    }
+
+    return null;
+  },
+
+  /**
+   * Gets the property name of a given node.
+   * The node can be a MemberExpression, a Property, or a MethodDefinition.
+   *
+   * If the name is dynamic, this returns `null`.
+   *
+   * For examples:
+   *
+   *     a.b           // => "b"
+   *     a["b"]        // => "b"
+   *     a['b']        // => "b"
+   *     a[`b`]        // => "b"
+   *     a[100]        // => "100"
+   *     a[b]          // => null
+   *     a["a" + "b"]  // => null
+   *     a[tag`b`]     // => null
+   *     a[`${b}`]     // => null
+   *
+   *     let a = {b: 1}            // => "b"
+   *     let a = {["b"]: 1}        // => "b"
+   *     let a = {['b']: 1}        // => "b"
+   *     let a = {[`b`]: 1}        // => "b"
+   *     let a = {[100]: 1}        // => "100"
+   *     let a = {[b]: 1}          // => null
+   *     let a = {["a" + "b"]: 1}  // => null
+   *     let a = {[tag`b`]: 1}     // => null
+   *     let a = {[`${b}`]: 1}     // => null
+   * @param {ASTNode} node The node to get.
+   * @returns {string|null} The property name if static. Otherwise, null.
+   */
+  getStaticPropertyName(node) {
+    let prop;
+
+    switch (node && node.type) {
+      case "Property":
+      case "MethodDefinition":
+        prop = node.key;
+        break;
+
+      case "MemberExpression":
+        prop = node.property;
+        break;
+      // no default
+    }
+
+    if (prop) {
+      if (prop.type === "Identifier" && !node.computed) {
+        return prop.name;
+      }
+
+      return module.exports.getStaticStringValue(prop);
+    }
+
+    return null;
+  },
+
+  /**
+   * Get directives from directive prologue of a Program or Function node.
+   * @param {ASTNode} node The node to check.
+   * @returns {ASTNode[]} The directives found in the directive prologue.
+   */
+  getDirectivePrologue(node) {
+    const directives = []; // Directive prologues only occur at the top of files or functions.
+
+    if (node.type === "Program" || node.type === "FunctionDeclaration" || node.type === "FunctionExpression" ||
+    /*
+     * Do not check arrow functions with implicit return.
+     * `() => "use strict";` returns the string `"use strict"`.
+     */
+    node.type === "ArrowFunctionExpression" && node.body.type === "BlockStatement") {
+      const statements = node.type === "Program" ? node.body : node.body.body;
+
+      for (const statement of statements) {
+        if (statement.type === "ExpressionStatement" && statement.expression.type === "Literal") {
+          directives.push(statement);
+        } else {
+          break;
+        }
+      }
+    }
+
+    return directives;
+  },
+
+  /**
+   * Determines whether this node is a decimal integer literal. If a node is a decimal integer literal, a dot added
+   * after the node will be parsed as a decimal point, rather than a property-access dot.
+   * @param {ASTNode} node The node to check.
+   * @returns {boolean} `true` if this node is a decimal integer.
+   * @example
+   *
+   * 5       // true
+   * 5.      // false
+   * 5.0     // false
+   * 05      // false
+   * 0x5     // false
+   * 0b101   // false
+   * 0o5     // false
+   * 5e0     // false
+   * '5'     // false
+   * 5n      // false
+   */
+  isDecimalInteger(node) {
+    return node.type === "Literal" && typeof node.value === "number" && DECIMAL_INTEGER_PATTERN.test(node.raw);
+  },
+
+  /**
+   * Determines whether this token is a decimal integer numeric token.
+   * This is similar to isDecimalInteger(), but for tokens.
+   * @param {Token} token The token to check.
+   * @returns {boolean} `true` if this token is a decimal integer.
+   */
+  isDecimalIntegerNumericToken(token) {
+    return token.type === "Numeric" && DECIMAL_INTEGER_PATTERN.test(token.value);
+  },
+
+  /**
+   * Gets the name and kind of the given function node.
+   *
+   * - `function foo() {}`  .................... `function 'foo'`
+   * - `(function foo() {})`  .................. `function 'foo'`
+   * - `(function() {})`  ...................... `function`
+   * - `function* foo() {}`  ................... `generator function 'foo'`
+   * - `(function* foo() {})`  ................. `generator function 'foo'`
+   * - `(function*() {})`  ..................... `generator function`
+   * - `() => {}`  ............................. `arrow function`
+   * - `async () => {}`  ....................... `async arrow function`
+   * - `({ foo: function foo() {} })`  ......... `method 'foo'`
+   * - `({ foo: function() {} })`  ............. `method 'foo'`
+   * - `({ ['foo']: function() {} })`  ......... `method 'foo'`
+   * - `({ [foo]: function() {} })`  ........... `method`
+   * - `({ foo() {} })`  ....................... `method 'foo'`
+   * - `({ foo: function* foo() {} })`  ........ `generator method 'foo'`
+   * - `({ foo: function*() {} })`  ............ `generator method 'foo'`
+   * - `({ ['foo']: function*() {} })`  ........ `generator method 'foo'`
+   * - `({ [foo]: function*() {} })`  .......... `generator method`
+   * - `({ *foo() {} })`  ...................... `generator method 'foo'`
+   * - `({ foo: async function foo() {} })`  ... `async method 'foo'`
+   * - `({ foo: async function() {} })`  ....... `async method 'foo'`
+   * - `({ ['foo']: async function() {} })`  ... `async method 'foo'`
+   * - `({ [foo]: async function() {} })`  ..... `async method`
+   * - `({ async foo() {} })`  ................. `async method 'foo'`
+   * - `({ get foo() {} })`  ................... `getter 'foo'`
+   * - `({ set foo(a) {} })`  .................. `setter 'foo'`
+   * - `class A { constructor() {} }`  ......... `constructor`
+   * - `class A { foo() {} }`  ................. `method 'foo'`
+   * - `class A { *foo() {} }`  ................ `generator method 'foo'`
+   * - `class A { async foo() {} }`  ........... `async method 'foo'`
+   * - `class A { ['foo']() {} }`  ............. `method 'foo'`
+   * - `class A { *['foo']() {} }`  ............ `generator method 'foo'`
+   * - `class A { async ['foo']() {} }`  ....... `async method 'foo'`
+   * - `class A { [foo]() {} }`  ............... `method`
+   * - `class A { *[foo]() {} }`  .............. `generator method`
+   * - `class A { async [foo]() {} }`  ......... `async method`
+   * - `class A { get foo() {} }`  ............. `getter 'foo'`
+   * - `class A { set foo(a) {} }`  ............ `setter 'foo'`
+   * - `class A { static foo() {} }`  .......... `static method 'foo'`
+   * - `class A { static *foo() {} }`  ......... `static generator method 'foo'`
+   * - `class A { static async foo() {} }`  .... `static async method 'foo'`
+   * - `class A { static get foo() {} }`  ...... `static getter 'foo'`
+   * - `class A { static set foo(a) {} }`  ..... `static setter 'foo'`
+   * @param {ASTNode} node The function node to get.
+   * @returns {string} The name and kind of the function node.
+   */
+  getFunctionNameWithKind(node) {
+    const parent = node.parent;
+    const tokens = [];
+
+    if (parent.type === "MethodDefinition" && parent.static) {
+      tokens.push("static");
+    }
+
+    if (node.async) {
+      tokens.push("async");
+    }
+
+    if (node.generator) {
+      tokens.push("generator");
+    }
+
+    if (node.type === "ArrowFunctionExpression") {
+      tokens.push("arrow", "function");
+    } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+      if (parent.kind === "constructor") {
+        return "constructor";
+      }
+
+      if (parent.kind === "get") {
+        tokens.push("getter");
+      } else if (parent.kind === "set") {
+        tokens.push("setter");
+      } else {
+        tokens.push("method");
+      }
+    } else {
+      tokens.push("function");
+    }
+
+    if (node.id) {
+      tokens.push("'".concat(node.id.name, "'"));
+    } else {
+      const name = module.exports.getStaticPropertyName(parent);
+
+      if (name !== null) {
+        tokens.push("'".concat(name, "'"));
+      }
+    }
+
+    return tokens.join(" ");
+  },
+
+  /**
+   * Gets the location of the given function node for reporting.
+   *
+   * - `function foo() {}`
+   *    ^^^^^^^^^^^^
+   * - `(function foo() {})`
+   *     ^^^^^^^^^^^^
+   * - `(function() {})`
+   *     ^^^^^^^^
+   * - `function* foo() {}`
+   *    ^^^^^^^^^^^^^
+   * - `(function* foo() {})`
+   *     ^^^^^^^^^^^^^
+   * - `(function*() {})`
+   *     ^^^^^^^^^
+   * - `() => {}`
+   *       ^^
+   * - `async () => {}`
+   *             ^^
+   * - `({ foo: function foo() {} })`
+   *       ^^^^^^^^^^^^^^^^^
+   * - `({ foo: function() {} })`
+   *       ^^^^^^^^^^^^^
+   * - `({ ['foo']: function() {} })`
+   *       ^^^^^^^^^^^^^^^^^
+   * - `({ [foo]: function() {} })`
+   *       ^^^^^^^^^^^^^^^
+   * - `({ foo() {} })`
+   *       ^^^
+   * - `({ foo: function* foo() {} })`
+   *       ^^^^^^^^^^^^^^^^^^
+   * - `({ foo: function*() {} })`
+   *       ^^^^^^^^^^^^^^
+   * - `({ ['foo']: function*() {} })`
+   *       ^^^^^^^^^^^^^^^^^^
+   * - `({ [foo]: function*() {} })`
+   *       ^^^^^^^^^^^^^^^^
+   * - `({ *foo() {} })`
+   *       ^^^^
+   * - `({ foo: async function foo() {} })`
+   *       ^^^^^^^^^^^^^^^^^^^^^^^
+   * - `({ foo: async function() {} })`
+   *       ^^^^^^^^^^^^^^^^^^^
+   * - `({ ['foo']: async function() {} })`
+   *       ^^^^^^^^^^^^^^^^^^^^^^^
+   * - `({ [foo]: async function() {} })`
+   *       ^^^^^^^^^^^^^^^^^^^^^
+   * - `({ async foo() {} })`
+   *       ^^^^^^^^^
+   * - `({ get foo() {} })`
+   *       ^^^^^^^
+   * - `({ set foo(a) {} })`
+   *       ^^^^^^^
+   * - `class A { constructor() {} }`
+   *              ^^^^^^^^^^^
+   * - `class A { foo() {} }`
+   *              ^^^
+   * - `class A { *foo() {} }`
+   *              ^^^^
+   * - `class A { async foo() {} }`
+   *              ^^^^^^^^^
+   * - `class A { ['foo']() {} }`
+   *              ^^^^^^^
+   * - `class A { *['foo']() {} }`
+   *              ^^^^^^^^
+   * - `class A { async ['foo']() {} }`
+   *              ^^^^^^^^^^^^^
+   * - `class A { [foo]() {} }`
+   *              ^^^^^
+   * - `class A { *[foo]() {} }`
+   *              ^^^^^^
+   * - `class A { async [foo]() {} }`
+   *              ^^^^^^^^^^^
+   * - `class A { get foo() {} }`
+   *              ^^^^^^^
+   * - `class A { set foo(a) {} }`
+   *              ^^^^^^^
+   * - `class A { static foo() {} }`
+   *              ^^^^^^^^^^
+   * - `class A { static *foo() {} }`
+   *              ^^^^^^^^^^^
+   * - `class A { static async foo() {} }`
+   *              ^^^^^^^^^^^^^^^^
+   * - `class A { static get foo() {} }`
+   *              ^^^^^^^^^^^^^^
+   * - `class A { static set foo(a) {} }`
+   *              ^^^^^^^^^^^^^^
+   * @param {ASTNode} node The function node to get.
+   * @param {SourceCode} sourceCode The source code object to get tokens.
+   * @returns {string} The location of the function node for reporting.
+   */
+  getFunctionHeadLoc(node, sourceCode) {
+    const parent = node.parent;
+    let start = null;
+    let end = null;
+
+    if (node.type === "ArrowFunctionExpression") {
+      const arrowToken = sourceCode.getTokenBefore(node.body, isArrowToken);
+      start = arrowToken.loc.start;
+      end = arrowToken.loc.end;
+    } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+      start = parent.loc.start;
+      end = getOpeningParenOfParams(node, sourceCode).loc.start;
+    } else {
+      start = node.loc.start;
+      end = getOpeningParenOfParams(node, sourceCode).loc.start;
+    }
+
+    return {
+      start: Object.assign({}, start),
+      end: Object.assign({}, end)
+    };
+  },
+
+  /**
+   * Gets next location when the result is not out of bound, otherwise returns null.
+   * @param {SourceCode} sourceCode The sourceCode
+   * @param {{line: number, column: number}} location The location
+   * @returns {{line: number, column: number} | null} Next location
+   */
+  getNextLocation(sourceCode, location) {
+    const index = sourceCode.getIndexFromLoc(location); // Avoid out of bound location
+
+    if (index + 1 > sourceCode.text.length) {
+      return null;
+    }
+
+    return sourceCode.getLocFromIndex(index + 1);
+  },
+
+  /**
+   * Gets the parenthesized text of a node. This is similar to sourceCode.getText(node), but it also includes any parentheses
+   * surrounding the node.
+   * @param {SourceCode} sourceCode The source code object
+   * @param {ASTNode} node An expression node
+   * @returns {string} The text representing the node, with all surrounding parentheses included
+   */
+  getParenthesisedText(sourceCode, node) {
+    let leftToken = sourceCode.getFirstToken(node);
+    let rightToken = sourceCode.getLastToken(node);
+
+    while (sourceCode.getTokenBefore(leftToken) && sourceCode.getTokenBefore(leftToken).type === "Punctuator" && sourceCode.getTokenBefore(leftToken).value === "(" && sourceCode.getTokenAfter(rightToken) && sourceCode.getTokenAfter(rightToken).type === "Punctuator" && sourceCode.getTokenAfter(rightToken).value === ")") {
+      leftToken = sourceCode.getTokenBefore(leftToken);
+      rightToken = sourceCode.getTokenAfter(rightToken);
+    }
+
+    return sourceCode.getText().slice(leftToken.range[0], rightToken.range[1]);
+  },
+
+  /*
+   * Determine if a node has a possiblity to be an Error object
+   * @param  {ASTNode} node  ASTNode to check
+   * @returns {boolean} True if there is a chance it contains an Error obj
+   */
+  couldBeError(node) {
+    switch (node.type) {
+      case "Identifier":
+      case "CallExpression":
+      case "NewExpression":
+      case "MemberExpression":
+      case "TaggedTemplateExpression":
+      case "YieldExpression":
+      case "AwaitExpression":
+        return true;
+      // possibly an error object.
+
+      case "AssignmentExpression":
+        return module.exports.couldBeError(node.right);
+
+      case "SequenceExpression":
+        {
+          const exprs = node.expressions;
+          return exprs.length !== 0 && module.exports.couldBeError(exprs[exprs.length - 1]);
+        }
+
+      case "LogicalExpression":
+        return module.exports.couldBeError(node.left) || module.exports.couldBeError(node.right);
+
+      case "ConditionalExpression":
+        return module.exports.couldBeError(node.consequent) || module.exports.couldBeError(node.alternate);
+
+      default:
+        return false;
+    }
+  },
+
+  /**
+   * Determines whether the given node is a `null` literal.
+   * @param {ASTNode} node The node to check
+   * @returns {boolean} `true` if the node is a `null` literal
+   */
+  isNullLiteral(node) {
+    /*
+     * Checking `node.value === null` does not guarantee that a literal is a null literal.
+     * When parsing values that cannot be represented in the current environment (e.g. unicode
+     * regexes in Node 4), `node.value` is set to `null` because it wouldn't be possible to
+     * set `node.value` to a unicode regex. To make sure a literal is actually `null`, check
+     * `node.regex` instead. Also see: https://github.com/eslint/eslint/issues/8020
+     */
+    return node.type === "Literal" && node.value === null && !node.regex && !node.bigint;
+  },
+
+  /**
+   * Check if a given node is a numeric literal or not.
+   * @param {ASTNode} node The node to check.
+   * @returns {boolean} `true` if the node is a number or bigint literal.
+   */
+  isNumericLiteral(node) {
+    return node.type === "Literal" && (typeof node.value === "number" || Boolean(node.bigint));
+  },
+
+  /**
+   * Determines whether two tokens can safely be placed next to each other without merging into a single token
+   * @param {Token|string} leftValue The left token. If this is a string, it will be tokenized and the last token will be used.
+   * @param {Token|string} rightValue The right token. If this is a string, it will be tokenized and the first token will be used.
+   * @returns {boolean} If the tokens cannot be safely placed next to each other, returns `false`. If the tokens can be placed
+   * next to each other, behavior is undefined (although it should return `true` in most cases).
+   */
+  canTokensBeAdjacent(leftValue, rightValue) {
+    const espreeOptions = {
+      ecmaVersion: espree.latestEcmaVersion,
+      comment: true,
+      range: true
+    };
+    let leftToken;
+
+    if (typeof leftValue === "string") {
+      let tokens;
+
+      try {
+        tokens = espree.tokenize(leftValue, espreeOptions);
+      } catch (e) {
+        return false;
+      }
+
+      const comments = tokens.comments;
+      leftToken = tokens[tokens.length - 1];
+
+      if (comments.length) {
+        const lastComment = comments[comments.length - 1];
+
+        if (lastComment.range[0] > leftToken.range[0]) {
+          leftToken = lastComment;
+        }
+      }
+    } else {
+      leftToken = leftValue;
+    }
+
+    if (leftToken.type === "Shebang") {
+      return false;
+    }
+
+    let rightToken;
+
+    if (typeof rightValue === "string") {
+      let tokens;
+
+      try {
+        tokens = espree.tokenize(rightValue, espreeOptions);
+      } catch (e) {
+        return false;
+      }
+
+      const comments = tokens.comments;
+      rightToken = tokens[0];
+
+      if (comments.length) {
+        const firstComment = comments[0];
+
+        if (firstComment.range[0] < rightToken.range[0]) {
+          rightToken = firstComment;
+        }
+      }
+    } else {
+      rightToken = rightValue;
+    }
+
+    if (leftToken.type === "Punctuator" || rightToken.type === "Punctuator") {
+      if (leftToken.type === "Punctuator" && rightToken.type === "Punctuator") {
+        const PLUS_TOKENS = new Set(["+", "++"]);
+        const MINUS_TOKENS = new Set(["-", "--"]);
+        return !(PLUS_TOKENS.has(leftToken.value) && PLUS_TOKENS.has(rightToken.value) || MINUS_TOKENS.has(leftToken.value) && MINUS_TOKENS.has(rightToken.value));
+      }
+
+      if (leftToken.type === "Punctuator" && leftToken.value === "/") {
+        return !["Block", "Line", "RegularExpression"].includes(rightToken.type);
+      }
+
+      return true;
+    }
+
+    if (leftToken.type === "String" || rightToken.type === "String" || leftToken.type === "Template" || rightToken.type === "Template") {
+      return true;
+    }
+
+    if (leftToken.type !== "Numeric" && rightToken.type === "Numeric" && rightToken.value.startsWith(".")) {
+      return true;
+    }
+
+    if (leftToken.type === "Block" || rightToken.type === "Block" || rightToken.type === "Line") {
+      return true;
+    }
+
+    return false;
+  },
+
+  /**
+   * Get the `loc` object of a given name in a `/*globals` directive comment.
+   * @param {SourceCode} sourceCode The source code to convert index to loc.
+   * @param {Comment} comment The `/*globals` directive comment which include the name.
+   * @param {string} name The name to find.
+   * @returns {SourceLocation} The `loc` object.
+   */
+  getNameLocationInGlobalDirectiveComment(sourceCode, comment, name) {
+    const namePattern = new RegExp("[\\s,]".concat(lodash.escapeRegExp(name), "(?:$|[\\s,:])"), "gu"); // To ignore the first text "global".
+
+    namePattern.lastIndex = comment.value.indexOf("global") + 6; // Search a given variable name.
+
+    const match = namePattern.exec(comment.value); // Convert the index to loc.
+
+    const start = sourceCode.getLocFromIndex(comment.range[0] + "/*".length + (match ? match.index + 1 : 0));
+    const end = {
+      line: start.line,
+      column: start.column + (match ? name.length : 1)
+    };
+    return {
+      start,
+      end
+    };
+  },
+
+  /**
+   * Determines whether the given raw string contains an octal escape sequence.
+   *
+   * "\1", "\2" ... "\7"
+   * "\00", "\01" ... "\09"
+   *
+   * "\0", when not followed by a digit, is not an octal escape sequence.
+   * @param {string} rawString A string in its raw representation.
+   * @returns {boolean} `true` if the string contains at least one octal escape sequence.
+   */
+  hasOctalEscapeSequence(rawString) {
+    return OCTAL_ESCAPE_PATTERN.test(rawString);
+  }
+
+};
+
+/***/ }),
+/* 427 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+  Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+  'use strict';
+
+  exports.ast = __webpack_require__(428);
+  exports.code = __webpack_require__(429);
+  exports.keyword = __webpack_require__(430);
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 428 */
+/***/ (function(module, exports) {
+
+/*
+  Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+  'use strict';
+
+  function isExpression(node) {
+    if (node == null) {
+      return false;
+    }
+
+    switch (node.type) {
+      case 'ArrayExpression':
+      case 'AssignmentExpression':
+      case 'BinaryExpression':
+      case 'CallExpression':
+      case 'ConditionalExpression':
+      case 'FunctionExpression':
+      case 'Identifier':
+      case 'Literal':
+      case 'LogicalExpression':
+      case 'MemberExpression':
+      case 'NewExpression':
+      case 'ObjectExpression':
+      case 'SequenceExpression':
+      case 'ThisExpression':
+      case 'UnaryExpression':
+      case 'UpdateExpression':
+        return true;
+    }
+
+    return false;
+  }
+
+  function isIterationStatement(node) {
+    if (node == null) {
+      return false;
+    }
+
+    switch (node.type) {
+      case 'DoWhileStatement':
+      case 'ForInStatement':
+      case 'ForStatement':
+      case 'WhileStatement':
+        return true;
+    }
+
+    return false;
+  }
+
+  function isStatement(node) {
+    if (node == null) {
+      return false;
+    }
+
+    switch (node.type) {
+      case 'BlockStatement':
+      case 'BreakStatement':
+      case 'ContinueStatement':
+      case 'DebuggerStatement':
+      case 'DoWhileStatement':
+      case 'EmptyStatement':
+      case 'ExpressionStatement':
+      case 'ForInStatement':
+      case 'ForStatement':
+      case 'IfStatement':
+      case 'LabeledStatement':
+      case 'ReturnStatement':
+      case 'SwitchStatement':
+      case 'ThrowStatement':
+      case 'TryStatement':
+      case 'VariableDeclaration':
+      case 'WhileStatement':
+      case 'WithStatement':
+        return true;
+    }
+
+    return false;
+  }
+
+  function isSourceElement(node) {
+    return isStatement(node) || node != null && node.type === 'FunctionDeclaration';
+  }
+
+  function trailingStatement(node) {
+    switch (node.type) {
+      case 'IfStatement':
+        if (node.alternate != null) {
+          return node.alternate;
+        }
+
+        return node.consequent;
+
+      case 'LabeledStatement':
+      case 'ForStatement':
+      case 'ForInStatement':
+      case 'WhileStatement':
+      case 'WithStatement':
+        return node.body;
+    }
+
+    return null;
+  }
+
+  function isProblematicIfStatement(node) {
+    var current;
+
+    if (node.type !== 'IfStatement') {
+      return false;
+    }
+
+    if (node.alternate == null) {
+      return false;
+    }
+
+    current = node.consequent;
+
+    do {
+      if (current.type === 'IfStatement') {
+        if (current.alternate == null) {
+          return true;
+        }
+      }
+
+      current = trailingStatement(current);
+    } while (current);
+
+    return false;
+  }
+
+  module.exports = {
+    isExpression: isExpression,
+    isStatement: isStatement,
+    isIterationStatement: isIterationStatement,
+    isSourceElement: isSourceElement,
+    isProblematicIfStatement: isProblematicIfStatement,
+    trailingStatement: trailingStatement
+  };
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 429 */
+/***/ (function(module, exports) {
+
+/*
+  Copyright (C) 2013-2014 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2014 Ivan Nikulin <ifaaan@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+  'use strict';
+
+  var ES6Regex, ES5Regex, NON_ASCII_WHITESPACES, IDENTIFIER_START, IDENTIFIER_PART, ch; // See `tools/generate-identifier-regex.js`.
+
+  ES5Regex = {
+    // ECMAScript 5.1/Unicode v9.0.0 NonAsciiIdentifierStart:
+    NonAsciiIdentifierStart: /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B4\u08B6-\u08BD\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C80\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D54-\u0D56\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1C80-\u1C88\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]/,
+    // ECMAScript 5.1/Unicode v9.0.0 NonAsciiIdentifierPart:
+    NonAsciiIdentifierPart: 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+  };
+  ES6Regex = {
+    // ECMAScript 6/Unicode v9.0.0 NonAsciiIdentifierStart:
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+    // ECMAScript 6/Unicode v9.0.0 NonAsciiIdentifierPart:
+    NonAsciiIdentifierPart: /[\xAA\xB5\xB7\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D01-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1369-\u1371\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF6\u1CF8\u1CF9\u1D00-\u1DF5\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/
+  };
+
+  function isDecimalDigit(ch) {
+    return 0x30 <= ch && ch <= 0x39; // 0..9
+  }
+
+  function isHexDigit(ch) {
+    return 0x30 <= ch && ch <= 0x39 || // 0..9
+    0x61 <= ch && ch <= 0x66 || // a..f
+    0x41 <= ch && ch <= 0x46; // A..F
+  }
+
+  function isOctalDigit(ch) {
+    return ch >= 0x30 && ch <= 0x37; // 0..7
+  } // 7.2 White Space
+
+
+  NON_ASCII_WHITESPACES = [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF];
+
+  function isWhiteSpace(ch) {
+    return ch === 0x20 || ch === 0x09 || ch === 0x0B || ch === 0x0C || ch === 0xA0 || ch >= 0x1680 && NON_ASCII_WHITESPACES.indexOf(ch) >= 0;
+  } // 7.3 Line Terminators
+
+
+  function isLineTerminator(ch) {
+    return ch === 0x0A || ch === 0x0D || ch === 0x2028 || ch === 0x2029;
+  } // 7.6 Identifier Names and Identifiers
+
+
+  function fromCodePoint(cp) {
+    if (cp <= 0xFFFF) {
+      return String.fromCharCode(cp);
+    }
+
+    var cu1 = String.fromCharCode(Math.floor((cp - 0x10000) / 0x400) + 0xD800);
+    var cu2 = String.fromCharCode((cp - 0x10000) % 0x400 + 0xDC00);
+    return cu1 + cu2;
+  }
+
+  IDENTIFIER_START = new Array(0x80);
+
+  for (ch = 0; ch < 0x80; ++ch) {
+    IDENTIFIER_START[ch] = ch >= 0x61 && ch <= 0x7A || // a..z
+    ch >= 0x41 && ch <= 0x5A || // A..Z
+    ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore)
+  }
+
+  IDENTIFIER_PART = new Array(0x80);
+
+  for (ch = 0; ch < 0x80; ++ch) {
+    IDENTIFIER_PART[ch] = ch >= 0x61 && ch <= 0x7A || // a..z
+    ch >= 0x41 && ch <= 0x5A || // A..Z
+    ch >= 0x30 && ch <= 0x39 || // 0..9
+    ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore)
+  }
+
+  function isIdentifierStartES5(ch) {
+    return ch < 0x80 ? IDENTIFIER_START[ch] : ES5Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch));
+  }
+
+  function isIdentifierPartES5(ch) {
+    return ch < 0x80 ? IDENTIFIER_PART[ch] : ES5Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch));
+  }
+
+  function isIdentifierStartES6(ch) {
+    return ch < 0x80 ? IDENTIFIER_START[ch] : ES6Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch));
+  }
+
+  function isIdentifierPartES6(ch) {
+    return ch < 0x80 ? IDENTIFIER_PART[ch] : ES6Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch));
+  }
+
+  module.exports = {
+    isDecimalDigit: isDecimalDigit,
+    isHexDigit: isHexDigit,
+    isOctalDigit: isOctalDigit,
+    isWhiteSpace: isWhiteSpace,
+    isLineTerminator: isLineTerminator,
+    isIdentifierStartES5: isIdentifierStartES5,
+    isIdentifierPartES5: isIdentifierPartES5,
+    isIdentifierStartES6: isIdentifierStartES6,
+    isIdentifierPartES6: isIdentifierPartES6
+  };
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 430 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+  Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+(function () {
+  'use strict';
+
+  var code = __webpack_require__(429);
+
+  function isStrictModeReservedWordES6(id) {
+    switch (id) {
+      case 'implements':
+      case 'interface':
+      case 'package':
+      case 'private':
+      case 'protected':
+      case 'public':
+      case 'static':
+      case 'let':
+        return true;
+
+      default:
+        return false;
+    }
+  }
+
+  function isKeywordES5(id, strict) {
+    // yield should not be treated as keyword under non-strict mode.
+    if (!strict && id === 'yield') {
+      return false;
+    }
+
+    return isKeywordES6(id, strict);
+  }
+
+  function isKeywordES6(id, strict) {
+    if (strict && isStrictModeReservedWordES6(id)) {
+      return true;
+    }
+
+    switch (id.length) {
+      case 2:
+        return id === 'if' || id === 'in' || id === 'do';
+
+      case 3:
+        return id === 'var' || id === 'for' || id === 'new' || id === 'try';
+
+      case 4:
+        return id === 'this' || id === 'else' || id === 'case' || id === 'void' || id === 'with' || id === 'enum';
+
+      case 5:
+        return id === 'while' || id === 'break' || id === 'catch' || id === 'throw' || id === 'const' || id === 'yield' || id === 'class' || id === 'super';
+
+      case 6:
+        return id === 'return' || id === 'typeof' || id === 'delete' || id === 'switch' || id === 'export' || id === 'import';
+
+      case 7:
+        return id === 'default' || id === 'finally' || id === 'extends';
+
+      case 8:
+        return id === 'function' || id === 'continue' || id === 'debugger';
+
+      case 10:
+        return id === 'instanceof';
+
+      default:
+        return false;
+    }
+  }
+
+  function isReservedWordES5(id, strict) {
+    return id === 'null' || id === 'true' || id === 'false' || isKeywordES5(id, strict);
+  }
+
+  function isReservedWordES6(id, strict) {
+    return id === 'null' || id === 'true' || id === 'false' || isKeywordES6(id, strict);
+  }
+
+  function isRestrictedWord(id) {
+    return id === 'eval' || id === 'arguments';
+  }
+
+  function isIdentifierNameES5(id) {
+    var i, iz, ch;
+
+    if (id.length === 0) {
+      return false;
+    }
+
+    ch = id.charCodeAt(0);
+
+    if (!code.isIdentifierStartES5(ch)) {
+      return false;
+    }
+
+    for (i = 1, iz = id.length; i < iz; ++i) {
+      ch = id.charCodeAt(i);
+
+      if (!code.isIdentifierPartES5(ch)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  function decodeUtf16(lead, trail) {
+    return (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
+  }
+
+  function isIdentifierNameES6(id) {
+    var i, iz, ch, lowCh, check;
+
+    if (id.length === 0) {
+      return false;
+    }
+
+    check = code.isIdentifierStartES6;
+
+    for (i = 0, iz = id.length; i < iz; ++i) {
+      ch = id.charCodeAt(i);
+
+      if (0xD800 <= ch && ch <= 0xDBFF) {
+        ++i;
+
+        if (i >= iz) {
+          return false;
+        }
+
+        lowCh = id.charCodeAt(i);
+
+        if (!(0xDC00 <= lowCh && lowCh <= 0xDFFF)) {
+          return false;
+        }
+
+        ch = decodeUtf16(ch, lowCh);
+      }
+
+      if (!check(ch)) {
+        return false;
+      }
+
+      check = code.isIdentifierPartES6;
+    }
+
+    return true;
+  }
+
+  function isIdentifierES5(id, strict) {
+    return isIdentifierNameES5(id) && !isReservedWordES5(id, strict);
+  }
+
+  function isIdentifierES6(id, strict) {
+    return isIdentifierNameES6(id) && !isReservedWordES6(id, strict);
+  }
+
+  module.exports = {
+    isKeywordES5: isKeywordES5,
+    isKeywordES6: isKeywordES6,
+    isReservedWordES5: isReservedWordES5,
+    isReservedWordES6: isReservedWordES6,
+    isRestrictedWord: isRestrictedWord,
+    isIdentifierNameES5: isIdentifierNameES5,
+    isIdentifierNameES6: isIdentifierNameES6,
+    isIdentifierES5: isIdentifierES5,
+    isIdentifierES6: isIdentifierES6
+  };
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 431 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce linebreaks after open and before close array brackets
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce linebreaks after opening and before closing array brackets",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/array-bracket-newline"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never", "consistent"]
+      }, {
+        type: "object",
+        properties: {
+          multiline: {
+            type: "boolean"
+          },
+          minItems: {
+            type: ["integer", "null"],
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      unexpectedOpeningLinebreak: "There should be no linebreak after '['.",
+      unexpectedClosingLinebreak: "There should be no linebreak before ']'.",
+      missingOpeningLinebreak: "A linebreak is required after '['.",
+      missingClosingLinebreak: "A linebreak is required before ']'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Normalizes a given option value.
+     * @param {string|Object|undefined} option An option value to parse.
+     * @returns {{multiline: boolean, minItems: number}} Normalized option object.
+     */
+
+    function normalizeOptionValue(option) {
+      let consistent = false;
+      let multiline = false;
+      let minItems = 0;
+
+      if (option) {
+        if (option === "consistent") {
+          consistent = true;
+          minItems = Number.POSITIVE_INFINITY;
+        } else if (option === "always" || option.minItems === 0) {
+          minItems = 0;
+        } else if (option === "never") {
+          minItems = Number.POSITIVE_INFINITY;
+        } else {
+          multiline = Boolean(option.multiline);
+          minItems = option.minItems || Number.POSITIVE_INFINITY;
+        }
+      } else {
+        consistent = false;
+        multiline = true;
+        minItems = Number.POSITIVE_INFINITY;
+      }
+
+      return {
+        consistent,
+        multiline,
+        minItems
+      };
+    }
+    /**
+     * Normalizes a given option value.
+     * @param {string|Object|undefined} options An option value to parse.
+     * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object.
+     */
+
+
+    function normalizeOptions(options) {
+      const value = normalizeOptionValue(options);
+      return {
+        ArrayExpression: value,
+        ArrayPattern: value
+      };
+    }
+    /**
+     * Reports that there shouldn't be a linebreak after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportNoBeginningLinebreak(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "unexpectedOpeningLinebreak",
+
+        fix(fixer) {
+          const nextToken = sourceCode.getTokenAfter(token, {
+            includeComments: true
+          });
+
+          if (astUtils.isCommentToken(nextToken)) {
+            return null;
+          }
+
+          return fixer.removeRange([token.range[1], nextToken.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there shouldn't be a linebreak before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportNoEndingLinebreak(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "unexpectedClosingLinebreak",
+
+        fix(fixer) {
+          const previousToken = sourceCode.getTokenBefore(token, {
+            includeComments: true
+          });
+
+          if (astUtils.isCommentToken(previousToken)) {
+            return null;
+          }
+
+          return fixer.removeRange([previousToken.range[1], token.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a linebreak after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredBeginningLinebreak(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingOpeningLinebreak",
+
+        fix(fixer) {
+          return fixer.insertTextAfter(token, "\n");
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a linebreak before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredEndingLinebreak(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingClosingLinebreak",
+
+        fix(fixer) {
+          return fixer.insertTextBefore(token, "\n");
+        }
+
+      });
+    }
+    /**
+     * Reports a given node if it violated this rule.
+     * @param {ASTNode} node A node to check. This is an ArrayExpression node or an ArrayPattern node.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      const elements = node.elements;
+      const normalizedOptions = normalizeOptions(context.options[0]);
+      const options = normalizedOptions[node.type];
+      const openBracket = sourceCode.getFirstToken(node);
+      const closeBracket = sourceCode.getLastToken(node);
+      const firstIncComment = sourceCode.getTokenAfter(openBracket, {
+        includeComments: true
+      });
+      const lastIncComment = sourceCode.getTokenBefore(closeBracket, {
+        includeComments: true
+      });
+      const first = sourceCode.getTokenAfter(openBracket);
+      const last = sourceCode.getTokenBefore(closeBracket);
+      const needsLinebreaks = elements.length >= options.minItems || options.multiline && elements.length > 0 && firstIncComment.loc.start.line !== lastIncComment.loc.end.line || elements.length === 0 && firstIncComment.type === "Block" && firstIncComment.loc.start.line !== lastIncComment.loc.end.line && firstIncComment === lastIncComment || options.consistent && openBracket.loc.end.line !== first.loc.start.line;
+      /*
+       * Use tokens or comments to check multiline or not.
+       * But use only tokens to check whether linebreaks are needed.
+       * This allows:
+       *     var arr = [ // eslint-disable-line foo
+       *         'a'
+       *     ]
+       */
+
+      if (needsLinebreaks) {
+        if (astUtils.isTokenOnSameLine(openBracket, first)) {
+          reportRequiredBeginningLinebreak(node, openBracket);
+        }
+
+        if (astUtils.isTokenOnSameLine(last, closeBracket)) {
+          reportRequiredEndingLinebreak(node, closeBracket);
+        }
+      } else {
+        if (!astUtils.isTokenOnSameLine(openBracket, first)) {
+          reportNoBeginningLinebreak(node, openBracket);
+        }
+
+        if (!astUtils.isTokenOnSameLine(last, closeBracket)) {
+          reportNoEndingLinebreak(node, closeBracket);
+        }
+      }
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      ArrayPattern: check,
+      ArrayExpression: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 432 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows or enforces spaces inside of array brackets.
+ * @author Jamund Ferguson
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing inside array brackets",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/array-bracket-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        singleValue: {
+          type: "boolean"
+        },
+        objectsInArrays: {
+          type: "boolean"
+        },
+        arraysInArrays: {
+          type: "boolean"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
+      unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
+      missingSpaceAfter: "A space is required after '{{tokenValue}}'.",
+      missingSpaceBefore: "A space is required before '{{tokenValue}}'."
+    }
+  },
+
+  create(context) {
+    const spaced = context.options[0] === "always",
+          sourceCode = context.getSourceCode();
+    /**
+     * Determines whether an option is set, relative to the spacing option.
+     * If spaced is "always", then check whether option is set to false.
+     * If spaced is "never", then check whether option is set to true.
+     * @param {Object} option The option to exclude.
+     * @returns {boolean} Whether or not the property is excluded.
+     */
+
+    function isOptionSet(option) {
+      return context.options[1] ? context.options[1][option] === !spaced : false;
+    }
+
+    const options = {
+      spaced,
+      singleElementException: isOptionSet("singleValue"),
+      objectsInArraysException: isOptionSet("objectsInArrays"),
+      arraysInArraysException: isOptionSet("arraysInArrays")
+    }; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports that there shouldn't be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+    function reportNoBeginningSpace(node, token) {
+      const nextToken = sourceCode.getTokenAfter(token);
+      context.report({
+        node,
+        loc: {
+          start: token.loc.end,
+          end: nextToken.loc.start
+        },
+        messageId: "unexpectedSpaceAfter",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([token.range[1], nextToken.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there shouldn't be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportNoEndingSpace(node, token) {
+      const previousToken = sourceCode.getTokenBefore(token);
+      context.report({
+        node,
+        loc: {
+          start: previousToken.loc.end,
+          end: token.loc.start
+        },
+        messageId: "unexpectedSpaceBefore",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([previousToken.range[1], token.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredBeginningSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingSpaceAfter",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextAfter(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredEndingSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingSpaceBefore",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextBefore(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Determines if a node is an object type
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} Whether or not the node is an object type.
+     */
+
+
+    function isObjectType(node) {
+      return node && (node.type === "ObjectExpression" || node.type === "ObjectPattern");
+    }
+    /**
+     * Determines if a node is an array type
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} Whether or not the node is an array type.
+     */
+
+
+    function isArrayType(node) {
+      return node && (node.type === "ArrayExpression" || node.type === "ArrayPattern");
+    }
+    /**
+     * Validates the spacing around array brackets
+     * @param {ASTNode} node The node we're checking for spacing
+     * @returns {void}
+     */
+
+
+    function validateArraySpacing(node) {
+      if (options.spaced && node.elements.length === 0) {
+        return;
+      }
+
+      const first = sourceCode.getFirstToken(node),
+            second = sourceCode.getFirstToken(node, 1),
+            last = node.typeAnnotation ? sourceCode.getTokenBefore(node.typeAnnotation) : sourceCode.getLastToken(node),
+            penultimate = sourceCode.getTokenBefore(last),
+            firstElement = node.elements[0],
+            lastElement = node.elements[node.elements.length - 1];
+      const openingBracketMustBeSpaced = options.objectsInArraysException && isObjectType(firstElement) || options.arraysInArraysException && isArrayType(firstElement) || options.singleElementException && node.elements.length === 1 ? !options.spaced : options.spaced;
+      const closingBracketMustBeSpaced = options.objectsInArraysException && isObjectType(lastElement) || options.arraysInArraysException && isArrayType(lastElement) || options.singleElementException && node.elements.length === 1 ? !options.spaced : options.spaced;
+
+      if (astUtils.isTokenOnSameLine(first, second)) {
+        if (openingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(first, second)) {
+          reportRequiredBeginningSpace(node, first);
+        }
+
+        if (!openingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(first, second)) {
+          reportNoBeginningSpace(node, first);
+        }
+      }
+
+      if (first !== penultimate && astUtils.isTokenOnSameLine(penultimate, last)) {
+        if (closingBracketMustBeSpaced && !sourceCode.isSpaceBetweenTokens(penultimate, last)) {
+          reportRequiredEndingSpace(node, last);
+        }
+
+        if (!closingBracketMustBeSpaced && sourceCode.isSpaceBetweenTokens(penultimate, last)) {
+          reportNoEndingSpace(node, last);
+        }
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ArrayPattern: validateArraySpacing,
+      ArrayExpression: validateArraySpacing
+    };
+  }
+
+};
+
+/***/ }),
+/* 433 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce return statements in callbacks of array's methods
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u;
+const TARGET_METHODS = /^(?:every|filter|find(?:Index)?|flatMap|forEach|map|reduce(?:Right)?|some|sort)$/u;
+/**
+ * Checks a given code path segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+function isReachable(segment) {
+  return segment.reachable;
+}
+/**
+ * Gets a readable location.
+ *
+ * - FunctionExpression -> the function name or `function` keyword.
+ * - ArrowFunctionExpression -> `=>` token.
+ * @param {ASTNode} node A function node to get.
+ * @param {SourceCode} sourceCode A source code to get tokens.
+ * @returns {ASTNode|Token} The node or the token of a location.
+ */
+
+
+function getLocation(node, sourceCode) {
+  if (node.type === "ArrowFunctionExpression") {
+    return sourceCode.getTokenBefore(node.body);
+  }
+
+  return node.id || node;
+}
+/**
+ * Checks a given node is a MemberExpression node which has the specified name's
+ * property.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a MemberExpression node which has
+ *      the specified name's property
+ */
+
+
+function isTargetMethod(node) {
+  return node.type === "MemberExpression" && TARGET_METHODS.test(astUtils.getStaticPropertyName(node) || "");
+}
+/**
+ * Checks whether or not a given node is a function expression which is the
+ * callback of an array method, returning the method name.
+ * @param {ASTNode} node A node to check. This is one of
+ *      FunctionExpression or ArrowFunctionExpression.
+ * @returns {string} The method name if the node is a callback method,
+ *      null otherwise.
+ */
+
+
+function getArrayMethodName(node) {
+  let currentNode = node;
+
+  while (currentNode) {
+    const parent = currentNode.parent;
+
+    switch (parent.type) {
+      /*
+       * Looks up the destination. e.g.,
+       * foo.every(nativeFoo || function foo() { ... });
+       */
+      case "LogicalExpression":
+      case "ConditionalExpression":
+        currentNode = parent;
+        break;
+
+      /*
+       * If the upper function is IIFE, checks the destination of the return value.
+       * e.g.
+       *   foo.every((function() {
+       *     // setup...
+       *     return function callback() { ... };
+       *   })());
+       */
+
+      case "ReturnStatement":
+        {
+          const func = astUtils.getUpperFunction(parent);
+
+          if (func === null || !astUtils.isCallee(func)) {
+            return null;
+          }
+
+          currentNode = func.parent;
+          break;
+        }
+
+      /*
+       * e.g.
+       *   Array.from([], function() {});
+       *   list.every(function() {});
+       */
+
+      case "CallExpression":
+        if (astUtils.isArrayFromMethod(parent.callee)) {
+          if (parent.arguments.length >= 2 && parent.arguments[1] === currentNode) {
+            return "from";
+          }
+        }
+
+        if (isTargetMethod(parent.callee)) {
+          if (parent.arguments.length >= 1 && parent.arguments[0] === currentNode) {
+            return astUtils.getStaticPropertyName(parent.callee);
+          }
+        }
+
+        return null;
+      // Otherwise this node is not target.
+
+      default:
+        return null;
+    }
+  }
+  /* istanbul ignore next: unreachable */
+
+
+  return null;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "enforce `return` statements in callbacks of array methods",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/array-callback-return"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowImplicit: {
+          type: "boolean",
+          default: false
+        },
+        checkForEach: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expectedAtEnd: "Expected to return a value at the end of {{name}}.",
+      expectedInside: "Expected to return a value in {{name}}.",
+      expectedReturnValue: "{{name}} expected a return value.",
+      expectedNoReturnValue: "{{name}} did not expect a return value."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {
+      allowImplicit: false,
+      checkForEach: false
+    };
+    let funcInfo = {
+      arrayMethodName: null,
+      upper: null,
+      codePath: null,
+      hasReturn: false,
+      shouldCheck: false,
+      node: null
+    };
+    /**
+     * Checks whether or not the last code path segment is reachable.
+     * Then reports this function if the segment is reachable.
+     *
+     * If the last code path segment is reachable, there are paths which are not
+     * returned or thrown.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+    function checkLastSegment(node) {
+      if (!funcInfo.shouldCheck) {
+        return;
+      }
+
+      let messageId = null;
+
+      if (funcInfo.arrayMethodName === "forEach") {
+        if (options.checkForEach && node.type === "ArrowFunctionExpression" && node.expression) {
+          messageId = "expectedNoReturnValue";
+        }
+      } else {
+        if (node.body.type === "BlockStatement" && funcInfo.codePath.currentSegments.some(isReachable)) {
+          messageId = funcInfo.hasReturn ? "expectedAtEnd" : "expectedInside";
+        }
+      }
+
+      if (messageId) {
+        let name = astUtils.getFunctionNameWithKind(funcInfo.node);
+        name = messageId === "expectedNoReturnValue" ? lodash.upperFirst(name) : name;
+        context.report({
+          node,
+          loc: getLocation(node, context.getSourceCode()).loc.start,
+          messageId,
+          data: {
+            name
+          }
+        });
+      }
+    }
+
+    return {
+      // Stacks this function's information.
+      onCodePathStart(codePath, node) {
+        let methodName = null;
+
+        if (TARGET_NODE_TYPE.test(node.type)) {
+          methodName = getArrayMethodName(node);
+        }
+
+        funcInfo = {
+          arrayMethodName: methodName,
+          upper: funcInfo,
+          codePath,
+          hasReturn: false,
+          shouldCheck: methodName && !node.async && !node.generator,
+          node
+        };
+      },
+
+      // Pops this function's information.
+      onCodePathEnd() {
+        funcInfo = funcInfo.upper;
+      },
+
+      // Checks the return statement is valid.
+      ReturnStatement(node) {
+        if (!funcInfo.shouldCheck) {
+          return;
+        }
+
+        funcInfo.hasReturn = true;
+        let messageId = null;
+
+        if (funcInfo.arrayMethodName === "forEach") {
+          // if checkForEach: true, returning a value at any path inside a forEach is not allowed
+          if (options.checkForEach && node.argument) {
+            messageId = "expectedNoReturnValue";
+          }
+        } else {
+          // if allowImplicit: false, should also check node.argument
+          if (!options.allowImplicit && !node.argument) {
+            messageId = "expectedReturnValue";
+          }
+        }
+
+        if (messageId) {
+          context.report({
+            node,
+            messageId,
+            data: {
+              name: lodash.upperFirst(astUtils.getFunctionNameWithKind(funcInfo.node))
+            }
+          });
+        }
+      },
+
+      // Reports a given function if the last path is reachable.
+      "FunctionExpression:exit": checkLastSegment,
+      "ArrowFunctionExpression:exit": checkLastSegment
+    };
+  }
+
+};
+
+/***/ }),
+/* 434 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce line breaks after each array element
+ * @author Jan Peer Stöcklmair <https://github.com/JPeer264>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce line breaks after each array element",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/array-element-newline"
+    },
+    fixable: "whitespace",
+    schema: {
+      definitions: {
+        basicConfig: {
+          oneOf: [{
+            enum: ["always", "never", "consistent"]
+          }, {
+            type: "object",
+            properties: {
+              multiline: {
+                type: "boolean"
+              },
+              minItems: {
+                type: ["integer", "null"],
+                minimum: 0
+              }
+            },
+            additionalProperties: false
+          }]
+        }
+      },
+      items: [{
+        oneOf: [{
+          $ref: "#/definitions/basicConfig"
+        }, {
+          type: "object",
+          properties: {
+            ArrayExpression: {
+              $ref: "#/definitions/basicConfig"
+            },
+            ArrayPattern: {
+              $ref: "#/definitions/basicConfig"
+            }
+          },
+          additionalProperties: false,
+          minProperties: 1
+        }]
+      }]
+    },
+    messages: {
+      unexpectedLineBreak: "There should be no linebreak here.",
+      missingLineBreak: "There should be a linebreak after this element."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Normalizes a given option value.
+     * @param {string|Object|undefined} providedOption An option value to parse.
+     * @returns {{multiline: boolean, minItems: number}} Normalized option object.
+     */
+
+    function normalizeOptionValue(providedOption) {
+      let consistent = false;
+      let multiline = false;
+      let minItems;
+      const option = providedOption || "always";
+
+      if (!option || option === "always" || option.minItems === 0) {
+        minItems = 0;
+      } else if (option === "never") {
+        minItems = Number.POSITIVE_INFINITY;
+      } else if (option === "consistent") {
+        consistent = true;
+        minItems = Number.POSITIVE_INFINITY;
+      } else {
+        multiline = Boolean(option.multiline);
+        minItems = option.minItems || Number.POSITIVE_INFINITY;
+      }
+
+      return {
+        consistent,
+        multiline,
+        minItems
+      };
+    }
+    /**
+     * Normalizes a given option value.
+     * @param {string|Object|undefined} options An option value to parse.
+     * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object.
+     */
+
+
+    function normalizeOptions(options) {
+      if (options && (options.ArrayExpression || options.ArrayPattern)) {
+        let expressionOptions, patternOptions;
+
+        if (options.ArrayExpression) {
+          expressionOptions = normalizeOptionValue(options.ArrayExpression);
+        }
+
+        if (options.ArrayPattern) {
+          patternOptions = normalizeOptionValue(options.ArrayPattern);
+        }
+
+        return {
+          ArrayExpression: expressionOptions,
+          ArrayPattern: patternOptions
+        };
+      }
+
+      const value = normalizeOptionValue(options);
+      return {
+        ArrayExpression: value,
+        ArrayPattern: value
+      };
+    }
+    /**
+     * Reports that there shouldn't be a line break after the first token
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportNoLineBreak(token) {
+      const tokenBefore = sourceCode.getTokenBefore(token, {
+        includeComments: true
+      });
+      context.report({
+        loc: {
+          start: tokenBefore.loc.end,
+          end: token.loc.start
+        },
+        messageId: "unexpectedLineBreak",
+
+        fix(fixer) {
+          if (astUtils.isCommentToken(tokenBefore)) {
+            return null;
+          }
+
+          if (!astUtils.isTokenOnSameLine(tokenBefore, token)) {
+            return fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], " ");
+          }
+          /*
+           * This will check if the comma is on the same line as the next element
+           * Following array:
+           * [
+           *     1
+           *     , 2
+           *     , 3
+           * ]
+           *
+           * will be fixed to:
+           * [
+           *     1, 2, 3
+           * ]
+           */
+
+
+          const twoTokensBefore = sourceCode.getTokenBefore(tokenBefore, {
+            includeComments: true
+          });
+
+          if (astUtils.isCommentToken(twoTokensBefore)) {
+            return null;
+          }
+
+          return fixer.replaceTextRange([twoTokensBefore.range[1], tokenBefore.range[0]], "");
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a line break after the first token
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredLineBreak(token) {
+      const tokenBefore = sourceCode.getTokenBefore(token, {
+        includeComments: true
+      });
+      context.report({
+        loc: {
+          start: tokenBefore.loc.end,
+          end: token.loc.start
+        },
+        messageId: "missingLineBreak",
+
+        fix(fixer) {
+          return fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], "\n");
+        }
+
+      });
+    }
+    /**
+     * Reports a given node if it violated this rule.
+     * @param {ASTNode} node A node to check. This is an ObjectExpression node or an ObjectPattern node.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      const elements = node.elements;
+      const normalizedOptions = normalizeOptions(context.options[0]);
+      const options = normalizedOptions[node.type];
+
+      if (!options) {
+        return;
+      }
+
+      let elementBreak = false;
+      /*
+       * MULTILINE: true
+       * loop through every element and check
+       * if at least one element has linebreaks inside
+       * this ensures that following is not valid (due to elements are on the same line):
+       *
+       * [
+       *      1,
+       *      2,
+       *      3
+       * ]
+       */
+
+      if (options.multiline) {
+        elementBreak = elements.filter(element => element !== null).some(element => element.loc.start.line !== element.loc.end.line);
+      }
+
+      const linebreaksCount = node.elements.map((element, i) => {
+        const previousElement = elements[i - 1];
+
+        if (i === 0 || element === null || previousElement === null) {
+          return false;
+        }
+
+        const commaToken = sourceCode.getFirstTokenBetween(previousElement, element, astUtils.isCommaToken);
+        const lastTokenOfPreviousElement = sourceCode.getTokenBefore(commaToken);
+        const firstTokenOfCurrentElement = sourceCode.getTokenAfter(commaToken);
+        return !astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement);
+      }).filter(isBreak => isBreak === true).length;
+      const needsLinebreaks = elements.length >= options.minItems || options.multiline && elementBreak || options.consistent && linebreaksCount > 0 && linebreaksCount < node.elements.length;
+      elements.forEach((element, i) => {
+        const previousElement = elements[i - 1];
+
+        if (i === 0 || element === null || previousElement === null) {
+          return;
+        }
+
+        const commaToken = sourceCode.getFirstTokenBetween(previousElement, element, astUtils.isCommaToken);
+        const lastTokenOfPreviousElement = sourceCode.getTokenBefore(commaToken);
+        const firstTokenOfCurrentElement = sourceCode.getTokenAfter(commaToken);
+
+        if (needsLinebreaks) {
+          if (astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement)) {
+            reportRequiredLineBreak(firstTokenOfCurrentElement);
+          }
+        } else {
+          if (!astUtils.isTokenOnSameLine(lastTokenOfPreviousElement, firstTokenOfCurrentElement)) {
+            reportNoLineBreak(firstTokenOfCurrentElement);
+          }
+        }
+      });
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      ArrayPattern: check,
+      ArrayExpression: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 435 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require braces in arrow function body.
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require braces around arrow function bodies",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/arrow-body-style"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always", "never"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["as-needed"]
+        }, {
+          type: "object",
+          properties: {
+            requireReturnForObjectLiteral: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    fixable: "code",
+    messages: {
+      unexpectedOtherBlock: "Unexpected block statement surrounding arrow body.",
+      unexpectedEmptyBlock: "Unexpected block statement surrounding arrow body; put a value of `undefined` immediately after the `=>`.",
+      unexpectedObjectBlock: "Unexpected block statement surrounding arrow body; parenthesize the returned value and move it immediately after the `=>`.",
+      unexpectedSingleBlock: "Unexpected block statement surrounding arrow body; move the returned value immediately after the `=>`.",
+      expectedBlock: "Expected block statement surrounding arrow body."
+    }
+  },
+
+  create(context) {
+    const options = context.options;
+    const always = options[0] === "always";
+    const asNeeded = !options[0] || options[0] === "as-needed";
+    const never = options[0] === "never";
+    const requireReturnForObjectLiteral = options[1] && options[1].requireReturnForObjectLiteral;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Checks whether the given node has ASI problem or not.
+     * @param {Token} token The token to check.
+     * @returns {boolean} `true` if it changes semantics if `;` or `}` followed by the token are removed.
+     */
+
+    function hasASIProblem(token) {
+      return token && token.type === "Punctuator" && /^[([/`+-]/u.test(token.value);
+    }
+    /**
+     * Gets the closing parenthesis which is the pair of the given opening parenthesis.
+     * @param {Token} token The opening parenthesis token to get.
+     * @returns {Token} The found closing parenthesis token.
+     */
+
+
+    function findClosingParen(token) {
+      let node = sourceCode.getNodeByRangeIndex(token.range[0]);
+
+      while (!astUtils.isParenthesised(sourceCode, node)) {
+        node = node.parent;
+      }
+
+      return sourceCode.getTokenAfter(node);
+    }
+    /**
+     * Determines whether a arrow function body needs braces
+     * @param {ASTNode} node The arrow function node.
+     * @returns {void}
+     */
+
+
+    function validate(node) {
+      const arrowBody = node.body;
+
+      if (arrowBody.type === "BlockStatement") {
+        const blockBody = arrowBody.body;
+
+        if (blockBody.length !== 1 && !never) {
+          return;
+        }
+
+        if (asNeeded && requireReturnForObjectLiteral && blockBody[0].type === "ReturnStatement" && blockBody[0].argument && blockBody[0].argument.type === "ObjectExpression") {
+          return;
+        }
+
+        if (never || asNeeded && blockBody[0].type === "ReturnStatement") {
+          let messageId;
+
+          if (blockBody.length === 0) {
+            messageId = "unexpectedEmptyBlock";
+          } else if (blockBody.length > 1) {
+            messageId = "unexpectedOtherBlock";
+          } else if (blockBody[0].argument === null) {
+            messageId = "unexpectedSingleBlock";
+          } else if (astUtils.isOpeningBraceToken(sourceCode.getFirstToken(blockBody[0], {
+            skip: 1
+          }))) {
+            messageId = "unexpectedObjectBlock";
+          } else {
+            messageId = "unexpectedSingleBlock";
+          }
+
+          context.report({
+            node,
+            loc: arrowBody.loc.start,
+            messageId,
+
+            fix(fixer) {
+              const fixes = [];
+
+              if (blockBody.length !== 1 || blockBody[0].type !== "ReturnStatement" || !blockBody[0].argument || hasASIProblem(sourceCode.getTokenAfter(arrowBody))) {
+                return fixes;
+              }
+
+              const openingBrace = sourceCode.getFirstToken(arrowBody);
+              const closingBrace = sourceCode.getLastToken(arrowBody);
+              const firstValueToken = sourceCode.getFirstToken(blockBody[0], 1);
+              const lastValueToken = sourceCode.getLastToken(blockBody[0]);
+              const commentsExist = sourceCode.commentsExistBetween(openingBrace, firstValueToken) || sourceCode.commentsExistBetween(lastValueToken, closingBrace);
+              /*
+               * Remove tokens around the return value.
+               * If comments don't exist, remove extra spaces as well.
+               */
+
+              if (commentsExist) {
+                fixes.push(fixer.remove(openingBrace), fixer.remove(closingBrace), fixer.remove(sourceCode.getTokenAfter(openingBrace)) // return keyword
+                );
+              } else {
+                fixes.push(fixer.removeRange([openingBrace.range[0], firstValueToken.range[0]]), fixer.removeRange([lastValueToken.range[1], closingBrace.range[1]]));
+              }
+              /*
+               * If the first token of the reutrn value is `{` or the return value is a sequence expression,
+               * enclose the return value by parentheses to avoid syntax error.
+               */
+
+
+              if (astUtils.isOpeningBraceToken(firstValueToken) || blockBody[0].argument.type === "SequenceExpression") {
+                fixes.push(fixer.insertTextBefore(firstValueToken, "("), fixer.insertTextAfter(lastValueToken, ")"));
+              }
+              /*
+               * If the last token of the return statement is semicolon, remove it.
+               * Non-block arrow body is an expression, not a statement.
+               */
+
+
+              if (astUtils.isSemicolonToken(lastValueToken)) {
+                fixes.push(fixer.remove(lastValueToken));
+              }
+
+              return fixes;
+            }
+
+          });
+        }
+      } else {
+        if (always || asNeeded && requireReturnForObjectLiteral && arrowBody.type === "ObjectExpression") {
+          context.report({
+            node,
+            loc: arrowBody.loc.start,
+            messageId: "expectedBlock",
+
+            fix(fixer) {
+              const fixes = [];
+              const arrowToken = sourceCode.getTokenBefore(arrowBody, astUtils.isArrowToken);
+              const [firstTokenAfterArrow, secondTokenAfterArrow] = sourceCode.getTokensAfter(arrowToken, {
+                count: 2
+              });
+              const lastToken = sourceCode.getLastToken(node);
+              const isParenthesisedObjectLiteral = astUtils.isOpeningParenToken(firstTokenAfterArrow) && astUtils.isOpeningBraceToken(secondTokenAfterArrow); // If the value is object literal, remove parentheses which were forced by syntax.
+
+              if (isParenthesisedObjectLiteral) {
+                const openingParenToken = firstTokenAfterArrow;
+                const openingBraceToken = secondTokenAfterArrow;
+
+                if (astUtils.isTokenOnSameLine(openingParenToken, openingBraceToken)) {
+                  fixes.push(fixer.replaceText(openingParenToken, "{return "));
+                } else {
+                  // Avoid ASI
+                  fixes.push(fixer.replaceText(openingParenToken, "{"), fixer.insertTextBefore(openingBraceToken, "return "));
+                } // Closing paren for the object doesn't have to be lastToken, e.g.: () => ({}).foo()
+
+
+                fixes.push(fixer.remove(findClosingParen(openingBraceToken)));
+                fixes.push(fixer.insertTextAfter(lastToken, "}"));
+              } else {
+                fixes.push(fixer.insertTextBefore(firstTokenAfterArrow, "{return "));
+                fixes.push(fixer.insertTextAfter(lastToken, "}"));
+              }
+
+              return fixes;
+            }
+
+          });
+        }
+      }
+    }
+
+    return {
+      "ArrowFunctionExpression:exit": validate
+    };
+  }
+
+};
+
+/***/ }),
+/* 436 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require parens in arrow function arguments.
+ * @author Jxck
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get location should be reported by AST node.
+ * @param {ASTNode} node AST Node.
+ * @returns {Location} Location information.
+ */
+
+
+function getLocation(node) {
+  return {
+    start: node.params[0].loc.start,
+    end: node.params[node.params.length - 1].loc.end
+  };
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require parentheses around arrow function arguments",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/arrow-parens"
+    },
+    fixable: "code",
+    schema: [{
+      enum: ["always", "as-needed"]
+    }, {
+      type: "object",
+      properties: {
+        requireForBlockBody: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedParens: "Unexpected parentheses around single function argument.",
+      expectedParens: "Expected parentheses around arrow function argument.",
+      unexpectedParensInline: "Unexpected parentheses around single function argument having a body with no curly braces.",
+      expectedParensBlock: "Expected parentheses around arrow function argument having a body with curly braces."
+    }
+  },
+
+  create(context) {
+    const asNeeded = context.options[0] === "as-needed";
+    const requireForBlockBody = asNeeded && context.options[1] && context.options[1].requireForBlockBody === true;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Determines whether a arrow function argument end with `)`
+     * @param {ASTNode} node The arrow function node.
+     * @returns {void}
+     */
+
+    function parens(node) {
+      const isAsync = node.async;
+      const firstTokenOfParam = sourceCode.getFirstToken(node, isAsync ? 1 : 0);
+      /**
+       * Remove the parenthesis around a parameter
+       * @param {Fixer} fixer Fixer
+       * @returns {string} fixed parameter
+       */
+
+      function fixParamsWithParenthesis(fixer) {
+        const paramToken = sourceCode.getTokenAfter(firstTokenOfParam);
+        /*
+         * ES8 allows Trailing commas in function parameter lists and calls
+         * https://github.com/eslint/eslint/issues/8834
+         */
+
+        const closingParenToken = sourceCode.getTokenAfter(paramToken, astUtils.isClosingParenToken);
+        const asyncToken = isAsync ? sourceCode.getTokenBefore(firstTokenOfParam) : null;
+        const shouldAddSpaceForAsync = asyncToken && asyncToken.range[1] === firstTokenOfParam.range[0];
+        return fixer.replaceTextRange([firstTokenOfParam.range[0], closingParenToken.range[1]], "".concat(shouldAddSpaceForAsync ? " " : "").concat(paramToken.value));
+      } // "as-needed", { "requireForBlockBody": true }: x => x
+
+
+      if (requireForBlockBody && node.params.length === 1 && node.params[0].type === "Identifier" && !node.params[0].typeAnnotation && node.body.type !== "BlockStatement" && !node.returnType) {
+        if (astUtils.isOpeningParenToken(firstTokenOfParam)) {
+          context.report({
+            node,
+            messageId: "unexpectedParensInline",
+            loc: getLocation(node),
+            fix: fixParamsWithParenthesis
+          });
+        }
+
+        return;
+      }
+
+      if (requireForBlockBody && node.body.type === "BlockStatement") {
+        if (!astUtils.isOpeningParenToken(firstTokenOfParam)) {
+          context.report({
+            node,
+            messageId: "expectedParensBlock",
+            loc: getLocation(node),
+
+            fix(fixer) {
+              return fixer.replaceText(firstTokenOfParam, "(".concat(firstTokenOfParam.value, ")"));
+            }
+
+          });
+        }
+
+        return;
+      } // "as-needed": x => x
+
+
+      if (asNeeded && node.params.length === 1 && node.params[0].type === "Identifier" && !node.params[0].typeAnnotation && !node.returnType) {
+        if (astUtils.isOpeningParenToken(firstTokenOfParam)) {
+          context.report({
+            node,
+            messageId: "unexpectedParens",
+            loc: getLocation(node),
+            fix: fixParamsWithParenthesis
+          });
+        }
+
+        return;
+      }
+
+      if (firstTokenOfParam.type === "Identifier") {
+        const after = sourceCode.getTokenAfter(firstTokenOfParam); // (x) => x
+
+        if (after.value !== ")") {
+          context.report({
+            node,
+            messageId: "expectedParens",
+            loc: getLocation(node),
+
+            fix(fixer) {
+              return fixer.replaceText(firstTokenOfParam, "(".concat(firstTokenOfParam.value, ")"));
+            }
+
+          });
+        }
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: parens
+    };
+  }
+
+};
+
+/***/ }),
+/* 437 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to define spacing before/after arrow function's arrow.
+ * @author Jxck
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before and after the arrow in arrow functions",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/arrow-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        before: {
+          type: "boolean",
+          default: true
+        },
+        after: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expectedBefore: "Missing space before =>.",
+      unexpectedBefore: "Unexpected space before =>.",
+      expectedAfter: "Missing space after =>.",
+      unexpectedAfter: "Unexpected space after =>."
+    }
+  },
+
+  create(context) {
+    // merge rules with default
+    const rule = Object.assign({}, context.options[0]);
+    rule.before = rule.before !== false;
+    rule.after = rule.after !== false;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Get tokens of arrow(`=>`) and before/after arrow.
+     * @param {ASTNode} node The arrow function node.
+     * @returns {Object} Tokens of arrow and before/after arrow.
+     */
+
+    function getTokens(node) {
+      const arrow = sourceCode.getTokenBefore(node.body, astUtils.isArrowToken);
+      return {
+        before: sourceCode.getTokenBefore(arrow),
+        arrow,
+        after: sourceCode.getTokenAfter(arrow)
+      };
+    }
+    /**
+     * Count spaces before/after arrow(`=>`) token.
+     * @param {Object} tokens Tokens before/after arrow.
+     * @returns {Object} count of space before/after arrow.
+     */
+
+
+    function countSpaces(tokens) {
+      const before = tokens.arrow.range[0] - tokens.before.range[1];
+      const after = tokens.after.range[0] - tokens.arrow.range[1];
+      return {
+        before,
+        after
+      };
+    }
+    /**
+     * Determines whether space(s) before after arrow(`=>`) is satisfy rule.
+     * if before/after value is `true`, there should be space(s).
+     * if before/after value is `false`, there should be no space.
+     * @param {ASTNode} node The arrow function node.
+     * @returns {void}
+     */
+
+
+    function spaces(node) {
+      const tokens = getTokens(node);
+      const countSpace = countSpaces(tokens);
+
+      if (rule.before) {
+        // should be space(s) before arrow
+        if (countSpace.before === 0) {
+          context.report({
+            node: tokens.before,
+            messageId: "expectedBefore",
+
+            fix(fixer) {
+              return fixer.insertTextBefore(tokens.arrow, " ");
+            }
+
+          });
+        }
+      } else {
+        // should be no space before arrow
+        if (countSpace.before > 0) {
+          context.report({
+            node: tokens.before,
+            messageId: "unexpectedBefore",
+
+            fix(fixer) {
+              return fixer.removeRange([tokens.before.range[1], tokens.arrow.range[0]]);
+            }
+
+          });
+        }
+      }
+
+      if (rule.after) {
+        // should be space(s) after arrow
+        if (countSpace.after === 0) {
+          context.report({
+            node: tokens.after,
+            messageId: "expectedAfter",
+
+            fix(fixer) {
+              return fixer.insertTextAfter(tokens.arrow, " ");
+            }
+
+          });
+        }
+      } else {
+        // should be no space after arrow
+        if (countSpace.after > 0) {
+          context.report({
+            node: tokens.after,
+            messageId: "unexpectedAfter",
+
+            fix(fixer) {
+              return fixer.removeRange([tokens.arrow.range[1], tokens.after.range[0]]);
+            }
+
+          });
+        }
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: spaces
+    };
+  }
+
+};
+
+/***/ }),
+/* 438 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for "block scoped" variables by binding context
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce the use of variables within the scope they are defined",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/block-scoped-var"
+    },
+    schema: [],
+    messages: {
+      outOfScope: "'{{name}}' used outside of binding context."
+    }
+  },
+
+  create(context) {
+    let stack = [];
+    /**
+     * Makes a block scope.
+     * @param {ASTNode} node A node of a scope.
+     * @returns {void}
+     */
+
+    function enterScope(node) {
+      stack.push(node.range);
+    }
+    /**
+     * Pops the last block scope.
+     * @returns {void}
+     */
+
+
+    function exitScope() {
+      stack.pop();
+    }
+    /**
+     * Reports a given reference.
+     * @param {eslint-scope.Reference} reference A reference to report.
+     * @returns {void}
+     */
+
+
+    function report(reference) {
+      const identifier = reference.identifier;
+      context.report({
+        node: identifier,
+        messageId: "outOfScope",
+        data: {
+          name: identifier.name
+        }
+      });
+    }
+    /**
+     * Finds and reports references which are outside of valid scopes.
+     * @param {ASTNode} node A node to get variables.
+     * @returns {void}
+     */
+
+
+    function checkForVariables(node) {
+      if (node.kind !== "var") {
+        return;
+      } // Defines a predicate to check whether or not a given reference is outside of valid scope.
+
+
+      const scopeRange = stack[stack.length - 1];
+      /**
+       * Check if a reference is out of scope
+       * @param {ASTNode} reference node to examine
+       * @returns {boolean} True is its outside the scope
+       * @private
+       */
+
+      function isOutsideOfScope(reference) {
+        const idRange = reference.identifier.range;
+        return idRange[0] < scopeRange[0] || idRange[1] > scopeRange[1];
+      } // Gets declared variables, and checks its references.
+
+
+      const variables = context.getDeclaredVariables(node);
+
+      for (let i = 0; i < variables.length; ++i) {
+        // Reports.
+        variables[i].references.filter(isOutsideOfScope).forEach(report);
+      }
+    }
+
+    return {
+      Program(node) {
+        stack = [node.range];
+      },
+
+      // Manages scopes.
+      BlockStatement: enterScope,
+      "BlockStatement:exit": exitScope,
+      ForStatement: enterScope,
+      "ForStatement:exit": exitScope,
+      ForInStatement: enterScope,
+      "ForInStatement:exit": exitScope,
+      ForOfStatement: enterScope,
+      "ForOfStatement:exit": exitScope,
+      SwitchStatement: enterScope,
+      "SwitchStatement:exit": exitScope,
+      CatchClause: enterScope,
+      "CatchClause:exit": exitScope,
+      // Finds and reports references which are outside of valid scope.
+      VariableDeclaration: checkForVariables
+    };
+  }
+
+};
+
+/***/ }),
+/* 439 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow or enforce spaces inside of single line blocks.
+ * @author Toru Nagashima
+ */
+
+
+const util = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow or enforce spaces inside of blocks after opening block and before closing block",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/block-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    messages: {
+      missing: "Requires a space {{location}} '{{token}}'.",
+      extra: "Unexpected space(s) {{location}} '{{token}}'."
+    }
+  },
+
+  create(context) {
+    const always = context.options[0] !== "never",
+          messageId = always ? "missing" : "extra",
+          sourceCode = context.getSourceCode();
+    /**
+     * Gets the open brace token from a given node.
+     * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+     * @returns {Token} The token of the open brace.
+     */
+
+    function getOpenBrace(node) {
+      if (node.type === "SwitchStatement") {
+        if (node.cases.length > 0) {
+          return sourceCode.getTokenBefore(node.cases[0]);
+        }
+
+        return sourceCode.getLastToken(node, 1);
+      }
+
+      return sourceCode.getFirstToken(node);
+    }
+    /**
+     * Checks whether or not:
+     *   - given tokens are on same line.
+     *   - there is/isn't a space between given tokens.
+     * @param {Token} left A token to check.
+     * @param {Token} right The token which is next to `left`.
+     * @returns {boolean}
+     *    When the option is `"always"`, `true` if there are one or more spaces between given tokens.
+     *    When the option is `"never"`, `true` if there are not any spaces between given tokens.
+     *    If given tokens are not on same line, it's always `true`.
+     */
+
+
+    function isValid(left, right) {
+      return !util.isTokenOnSameLine(left, right) || sourceCode.isSpaceBetweenTokens(left, right) === always;
+    }
+    /**
+     * Reports invalid spacing style inside braces.
+     * @param {ASTNode} node A BlockStatement/SwitchStatement node to get.
+     * @returns {void}
+     */
+
+
+    function checkSpacingInsideBraces(node) {
+      // Gets braces and the first/last token of content.
+      const openBrace = getOpenBrace(node);
+      const closeBrace = sourceCode.getLastToken(node);
+      const firstToken = sourceCode.getTokenAfter(openBrace, {
+        includeComments: true
+      });
+      const lastToken = sourceCode.getTokenBefore(closeBrace, {
+        includeComments: true
+      }); // Skip if the node is invalid or empty.
+
+      if (openBrace.type !== "Punctuator" || openBrace.value !== "{" || closeBrace.type !== "Punctuator" || closeBrace.value !== "}" || firstToken === closeBrace) {
+        return;
+      } // Skip line comments for option never
+
+
+      if (!always && firstToken.type === "Line") {
+        return;
+      } // Check.
+
+
+      if (!isValid(openBrace, firstToken)) {
+        context.report({
+          node,
+          loc: openBrace.loc.start,
+          messageId,
+          data: {
+            location: "after",
+            token: openBrace.value
+          },
+
+          fix(fixer) {
+            if (always) {
+              return fixer.insertTextBefore(firstToken, " ");
+            }
+
+            return fixer.removeRange([openBrace.range[1], firstToken.range[0]]);
+          }
+
+        });
+      }
+
+      if (!isValid(lastToken, closeBrace)) {
+        context.report({
+          node,
+          loc: closeBrace.loc.start,
+          messageId,
+          data: {
+            location: "before",
+            token: closeBrace.value
+          },
+
+          fix(fixer) {
+            if (always) {
+              return fixer.insertTextAfter(lastToken, " ");
+            }
+
+            return fixer.removeRange([lastToken.range[1], closeBrace.range[0]]);
+          }
+
+        });
+      }
+    }
+
+    return {
+      BlockStatement: checkSpacingInsideBraces,
+      SwitchStatement: checkSpacingInsideBraces
+    };
+  }
+
+};
+
+/***/ }),
+/* 440 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag block statements that do not use the one true brace style
+ * @author Ian Christian Myers
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent brace style for blocks",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/brace-style"
+    },
+    schema: [{
+      enum: ["1tbs", "stroustrup", "allman"]
+    }, {
+      type: "object",
+      properties: {
+        allowSingleLine: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "whitespace",
+    messages: {
+      nextLineOpen: "Opening curly brace does not appear on the same line as controlling statement.",
+      sameLineOpen: "Opening curly brace appears on the same line as controlling statement.",
+      blockSameLine: "Statement inside of curly braces should be on next line.",
+      nextLineClose: "Closing curly brace does not appear on the same line as the subsequent block.",
+      singleLineClose: "Closing curly brace should be on the same line as opening curly brace or on the line after the previous block.",
+      sameLineClose: "Closing curly brace appears on the same line as the subsequent block."
+    }
+  },
+
+  create(context) {
+    const style = context.options[0] || "1tbs",
+          params = context.options[1] || {},
+          sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Fixes a place where a newline unexpectedly appears
+     * @param {Token} firstToken The token before the unexpected newline
+     * @param {Token} secondToken The token after the unexpected newline
+     * @returns {Function} A fixer function to remove the newlines between the tokens
+     */
+
+    function removeNewlineBetween(firstToken, secondToken) {
+      const textRange = [firstToken.range[1], secondToken.range[0]];
+      const textBetween = sourceCode.text.slice(textRange[0], textRange[1]); // Don't do a fix if there is a comment between the tokens
+
+      if (textBetween.trim()) {
+        return null;
+      }
+
+      return fixer => fixer.replaceTextRange(textRange, " ");
+    }
+    /**
+     * Validates a pair of curly brackets based on the user's config
+     * @param {Token} openingCurly The opening curly bracket
+     * @param {Token} closingCurly The closing curly bracket
+     * @returns {void}
+     */
+
+
+    function validateCurlyPair(openingCurly, closingCurly) {
+      const tokenBeforeOpeningCurly = sourceCode.getTokenBefore(openingCurly);
+      const tokenAfterOpeningCurly = sourceCode.getTokenAfter(openingCurly);
+      const tokenBeforeClosingCurly = sourceCode.getTokenBefore(closingCurly);
+      const singleLineException = params.allowSingleLine && astUtils.isTokenOnSameLine(openingCurly, closingCurly);
+
+      if (style !== "allman" && !astUtils.isTokenOnSameLine(tokenBeforeOpeningCurly, openingCurly)) {
+        context.report({
+          node: openingCurly,
+          messageId: "nextLineOpen",
+          fix: removeNewlineBetween(tokenBeforeOpeningCurly, openingCurly)
+        });
+      }
+
+      if (style === "allman" && astUtils.isTokenOnSameLine(tokenBeforeOpeningCurly, openingCurly) && !singleLineException) {
+        context.report({
+          node: openingCurly,
+          messageId: "sameLineOpen",
+          fix: fixer => fixer.insertTextBefore(openingCurly, "\n")
+        });
+      }
+
+      if (astUtils.isTokenOnSameLine(openingCurly, tokenAfterOpeningCurly) && tokenAfterOpeningCurly !== closingCurly && !singleLineException) {
+        context.report({
+          node: openingCurly,
+          messageId: "blockSameLine",
+          fix: fixer => fixer.insertTextAfter(openingCurly, "\n")
+        });
+      }
+
+      if (tokenBeforeClosingCurly !== openingCurly && !singleLineException && astUtils.isTokenOnSameLine(tokenBeforeClosingCurly, closingCurly)) {
+        context.report({
+          node: closingCurly,
+          messageId: "singleLineClose",
+          fix: fixer => fixer.insertTextBefore(closingCurly, "\n")
+        });
+      }
+    }
+    /**
+     * Validates the location of a token that appears before a keyword (e.g. a newline before `else`)
+     * @param {Token} curlyToken The closing curly token. This is assumed to precede a keyword token (such as `else` or `finally`).
+     * @returns {void}
+     */
+
+
+    function validateCurlyBeforeKeyword(curlyToken) {
+      const keywordToken = sourceCode.getTokenAfter(curlyToken);
+
+      if (style === "1tbs" && !astUtils.isTokenOnSameLine(curlyToken, keywordToken)) {
+        context.report({
+          node: curlyToken,
+          messageId: "nextLineClose",
+          fix: removeNewlineBetween(curlyToken, keywordToken)
+        });
+      }
+
+      if (style !== "1tbs" && astUtils.isTokenOnSameLine(curlyToken, keywordToken)) {
+        context.report({
+          node: curlyToken,
+          messageId: "sameLineClose",
+          fix: fixer => fixer.insertTextAfter(curlyToken, "\n")
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      BlockStatement(node) {
+        if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+          validateCurlyPair(sourceCode.getFirstToken(node), sourceCode.getLastToken(node));
+        }
+      },
+
+      ClassBody(node) {
+        validateCurlyPair(sourceCode.getFirstToken(node), sourceCode.getLastToken(node));
+      },
+
+      SwitchStatement(node) {
+        const closingCurly = sourceCode.getLastToken(node);
+        const openingCurly = sourceCode.getTokenBefore(node.cases.length ? node.cases[0] : closingCurly);
+        validateCurlyPair(openingCurly, closingCurly);
+      },
+
+      IfStatement(node) {
+        if (node.consequent.type === "BlockStatement" && node.alternate) {
+          // Handle the keyword after the `if` block (before `else`)
+          validateCurlyBeforeKeyword(sourceCode.getLastToken(node.consequent));
+        }
+      },
+
+      TryStatement(node) {
+        // Handle the keyword after the `try` block (before `catch` or `finally`)
+        validateCurlyBeforeKeyword(sourceCode.getLastToken(node.block));
+
+        if (node.handler && node.finalizer) {
+          // Handle the keyword after the `catch` block (before `finally`)
+          validateCurlyBeforeKeyword(sourceCode.getLastToken(node.handler.body));
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 441 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforce return after a callback.
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `return` statements after callbacks",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/callback-return"
+    },
+    schema: [{
+      type: "array",
+      items: {
+        type: "string"
+      }
+    }],
+    messages: {
+      missingReturn: "Expected return with your callback function."
+    }
+  },
+
+  create(context) {
+    const callbacks = context.options[0] || ["callback", "cb", "next"],
+          sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Find the closest parent matching a list of types.
+     * @param {ASTNode} node The node whose parents we are searching
+     * @param {Array} types The node types to match
+     * @returns {ASTNode} The matched node or undefined.
+     */
+
+    function findClosestParentOfType(node, types) {
+      if (!node.parent) {
+        return null;
+      }
+
+      if (types.indexOf(node.parent.type) === -1) {
+        return findClosestParentOfType(node.parent, types);
+      }
+
+      return node.parent;
+    }
+    /**
+     * Check to see if a node contains only identifers
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} Whether or not the node contains only identifers
+     */
+
+
+    function containsOnlyIdentifiers(node) {
+      if (node.type === "Identifier") {
+        return true;
+      }
+
+      if (node.type === "MemberExpression") {
+        if (node.object.type === "Identifier") {
+          return true;
+        }
+
+        if (node.object.type === "MemberExpression") {
+          return containsOnlyIdentifiers(node.object);
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Check to see if a CallExpression is in our callback list.
+     * @param {ASTNode} node The node to check against our callback names list.
+     * @returns {boolean} Whether or not this function matches our callback name.
+     */
+
+
+    function isCallback(node) {
+      return containsOnlyIdentifiers(node.callee) && callbacks.indexOf(sourceCode.getText(node.callee)) > -1;
+    }
+    /**
+     * Determines whether or not the callback is part of a callback expression.
+     * @param {ASTNode} node The callback node
+     * @param {ASTNode} parentNode The expression node
+     * @returns {boolean} Whether or not this is part of a callback expression
+     */
+
+
+    function isCallbackExpression(node, parentNode) {
+      // ensure the parent node exists and is an expression
+      if (!parentNode || parentNode.type !== "ExpressionStatement") {
+        return false;
+      } // cb()
+
+
+      if (parentNode.expression === node) {
+        return true;
+      } // special case for cb && cb() and similar
+
+
+      if (parentNode.expression.type === "BinaryExpression" || parentNode.expression.type === "LogicalExpression") {
+        if (parentNode.expression.right === node) {
+          return true;
+        }
+      }
+
+      return false;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      CallExpression(node) {
+        // if we're not a callback we can return
+        if (!isCallback(node)) {
+          return;
+        } // find the closest block, return or loop
+
+
+        const closestBlock = findClosestParentOfType(node, ["BlockStatement", "ReturnStatement", "ArrowFunctionExpression"]) || {}; // if our parent is a return we know we're ok
+
+        if (closestBlock.type === "ReturnStatement") {
+          return;
+        } // arrow functions don't always have blocks and implicitly return
+
+
+        if (closestBlock.type === "ArrowFunctionExpression") {
+          return;
+        } // block statements are part of functions and most if statements
+
+
+        if (closestBlock.type === "BlockStatement") {
+          // find the last item in the block
+          const lastItem = closestBlock.body[closestBlock.body.length - 1]; // if the callback is the last thing in a block that might be ok
+
+          if (isCallbackExpression(node, lastItem)) {
+            const parentType = closestBlock.parent.type; // but only if the block is part of a function
+
+            if (parentType === "FunctionExpression" || parentType === "FunctionDeclaration" || parentType === "ArrowFunctionExpression") {
+              return;
+            }
+          } // ending a block with a return is also ok
+
+
+          if (lastItem.type === "ReturnStatement") {
+            // but only if the callback is immediately before
+            if (isCallbackExpression(node, closestBlock.body[closestBlock.body.length - 2])) {
+              return;
+            }
+          }
+        } // as long as you're the child of a function at this point you should be asked to return
+
+
+        if (findClosestParentOfType(node, ["FunctionDeclaration", "FunctionExpression", "ArrowFunctionExpression"])) {
+          context.report({
+            node,
+            messageId: "missingReturn"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 442 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag non-camelcased identifiers
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce camelcase naming convention",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/camelcase"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        ignoreDestructuring: {
+          type: "boolean",
+          default: false
+        },
+        ignoreImports: {
+          type: "boolean",
+          default: false
+        },
+        properties: {
+          enum: ["always", "never"]
+        },
+        allow: {
+          type: "array",
+          items: [{
+            type: "string"
+          }],
+          minItems: 0,
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      notCamelCase: "Identifier '{{name}}' is not in camel case."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    let properties = options.properties || "";
+    const ignoreDestructuring = options.ignoreDestructuring;
+    const ignoreImports = options.ignoreImports;
+    const allow = options.allow || [];
+
+    if (properties !== "always" && properties !== "never") {
+      properties = "always";
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // contains reported nodes to avoid reporting twice on destructuring with shorthand notation
+
+
+    const reported = [];
+    const ALLOWED_PARENT_TYPES = new Set(["CallExpression", "NewExpression"]);
+    /**
+     * Checks if a string contains an underscore and isn't all upper-case
+     * @param {string} name The string to check.
+     * @returns {boolean} if the string is underscored
+     * @private
+     */
+
+    function isUnderscored(name) {
+      // if there's an underscore, it might be A_CONSTANT, which is okay
+      return name.includes("_") && name !== name.toUpperCase();
+    }
+    /**
+     * Checks if a string match the ignore list
+     * @param {string} name The string to check.
+     * @returns {boolean} if the string is ignored
+     * @private
+     */
+
+
+    function isAllowed(name) {
+      return allow.some(entry => name === entry || name.match(new RegExp(entry, "u")));
+    }
+    /**
+     * Checks if a parent of a node is an ObjectPattern.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} if the node is inside an ObjectPattern
+     * @private
+     */
+
+
+    function isInsideObjectPattern(node) {
+      let current = node;
+
+      while (current) {
+        const parent = current.parent;
+
+        if (parent && parent.type === "Property" && parent.computed && parent.key === current) {
+          return false;
+        }
+
+        if (current.type === "ObjectPattern") {
+          return true;
+        }
+
+        current = parent;
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether the given node represents assignment target property in destructuring.
+     *
+     * For examples:
+     *    ({a: b.foo} = c);  // => true for `foo`
+     *    ([a.foo] = b);     // => true for `foo`
+     *    ([a.foo = 1] = b); // => true for `foo`
+     *    ({...a.foo} = b);  // => true for `foo`
+     * @param {ASTNode} node An Identifier node to check
+     * @returns {boolean} True if the node is an assignment target property in destructuring.
+     */
+
+
+    function isAssignmentTargetPropertyInDestructuring(node) {
+      if (node.parent.type === "MemberExpression" && node.parent.property === node && !node.parent.computed) {
+        const effectiveParent = node.parent.parent;
+        return effectiveParent.type === "Property" && effectiveParent.value === node.parent && effectiveParent.parent.type === "ObjectPattern" || effectiveParent.type === "ArrayPattern" || effectiveParent.type === "RestElement" || effectiveParent.type === "AssignmentPattern" && effectiveParent.left === node.parent;
+      }
+
+      return false;
+    }
+    /**
+     * Reports an AST node as a rule violation.
+     * @param {ASTNode} node The node to report.
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(node) {
+      if (!reported.includes(node)) {
+        reported.push(node);
+        context.report({
+          node,
+          messageId: "notCamelCase",
+          data: {
+            name: node.name
+          }
+        });
+      }
+    }
+
+    return {
+      Identifier(node) {
+        /*
+         * Leading and trailing underscores are commonly used to flag
+         * private/protected identifiers, strip them before checking if underscored
+         */
+        const name = node.name,
+              nameIsUnderscored = isUnderscored(name.replace(/^_+|_+$/gu, "")),
+              effectiveParent = node.parent.type === "MemberExpression" ? node.parent.parent : node.parent; // First, we ignore the node if it match the ignore list
+
+        if (isAllowed(name)) {
+          return;
+        } // MemberExpressions get special rules
+
+
+        if (node.parent.type === "MemberExpression") {
+          // "never" check properties
+          if (properties === "never") {
+            return;
+          } // Always report underscored object names
+
+
+          if (node.parent.object.type === "Identifier" && node.parent.object.name === node.name && nameIsUnderscored) {
+            report(node); // Report AssignmentExpressions only if they are the left side of the assignment
+          } else if (effectiveParent.type === "AssignmentExpression" && nameIsUnderscored && (effectiveParent.right.type !== "MemberExpression" || effectiveParent.left.type === "MemberExpression" && effectiveParent.left.property.name === node.name)) {
+            report(node);
+          } else if (isAssignmentTargetPropertyInDestructuring(node) && nameIsUnderscored) {
+            report(node);
+          }
+          /*
+           * Properties have their own rules, and
+           * AssignmentPattern nodes can be treated like Properties:
+           * e.g.: const { no_camelcased = false } = bar;
+           */
+
+        } else if (node.parent.type === "Property" || node.parent.type === "AssignmentPattern") {
+          if (node.parent.parent && node.parent.parent.type === "ObjectPattern") {
+            if (node.parent.shorthand && node.parent.value.left && nameIsUnderscored) {
+              report(node);
+            }
+
+            const assignmentKeyEqualsValue = node.parent.key.name === node.parent.value.name;
+
+            if (nameIsUnderscored && node.parent.computed) {
+              report(node);
+            } // prevent checking righthand side of destructured object
+
+
+            if (node.parent.key === node && node.parent.value !== node) {
+              return;
+            }
+
+            const valueIsUnderscored = node.parent.value.name && nameIsUnderscored; // ignore destructuring if the option is set, unless a new identifier is created
+
+            if (valueIsUnderscored && !(assignmentKeyEqualsValue && ignoreDestructuring)) {
+              report(node);
+            }
+          } // "never" check properties or always ignore destructuring
+
+
+          if (properties === "never" || ignoreDestructuring && isInsideObjectPattern(node)) {
+            return;
+          } // don't check right hand side of AssignmentExpression to prevent duplicate warnings
+
+
+          if (nameIsUnderscored && !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && !(node.parent.right === node)) {
+            report(node);
+          } // Check if it's an import specifier
+
+        } else if (["ImportSpecifier", "ImportNamespaceSpecifier", "ImportDefaultSpecifier"].includes(node.parent.type)) {
+          if (node.parent.type === "ImportSpecifier" && ignoreImports) {
+            return;
+          } // Report only if the local imported identifier is underscored
+
+
+          if (node.parent.local && node.parent.local.name === node.name && nameIsUnderscored) {
+            report(node);
+          } // Report anything that is underscored that isn't a CallExpression
+
+        } else if (nameIsUnderscored && !ALLOWED_PARENT_TYPES.has(effectiveParent.type)) {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 443 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce or disallow capitalization of the first letter of a comment
+ * @author Kevin Partington
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const LETTER_PATTERN = __webpack_require__(444);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const DEFAULT_IGNORE_PATTERN = astUtils.COMMENTS_IGNORE_PATTERN,
+      WHITESPACE = /\s/gu,
+      MAYBE_URL = /^\s*[^:/?#\s]+:\/\/[^?#]/u; // TODO: Combine w/ max-len pattern?
+
+/*
+ * Base schema body for defining the basic capitalization rule, ignorePattern,
+ * and ignoreInlineComments values.
+ * This can be used in a few different ways in the actual schema.
+ */
+
+const SCHEMA_BODY = {
+  type: "object",
+  properties: {
+    ignorePattern: {
+      type: "string"
+    },
+    ignoreInlineComments: {
+      type: "boolean"
+    },
+    ignoreConsecutiveComments: {
+      type: "boolean"
+    }
+  },
+  additionalProperties: false
+};
+const DEFAULTS = {
+  ignorePattern: "",
+  ignoreInlineComments: false,
+  ignoreConsecutiveComments: false
+};
+/**
+ * Get normalized options for either block or line comments from the given
+ * user-provided options.
+ * - If the user-provided options is just a string, returns a normalized
+ *   set of options using default values for all other options.
+ * - If the user-provided options is an object, then a normalized option
+ *   set is returned. Options specified in overrides will take priority
+ *   over options specified in the main options object, which will in
+ *   turn take priority over the rule's defaults.
+ * @param {Object|string} rawOptions The user-provided options.
+ * @param {string} which Either "line" or "block".
+ * @returns {Object} The normalized options.
+ */
+
+function getNormalizedOptions(rawOptions, which) {
+  return Object.assign({}, DEFAULTS, rawOptions[which] || rawOptions);
+}
+/**
+ * Get normalized options for block and line comments.
+ * @param {Object|string} rawOptions The user-provided options.
+ * @returns {Object} An object with "Line" and "Block" keys and corresponding
+ * normalized options objects.
+ */
+
+
+function getAllNormalizedOptions(rawOptions = {}) {
+  return {
+    Line: getNormalizedOptions(rawOptions, "line"),
+    Block: getNormalizedOptions(rawOptions, "block")
+  };
+}
+/**
+ * Creates a regular expression for each ignorePattern defined in the rule
+ * options.
+ *
+ * This is done in order to avoid invoking the RegExp constructor repeatedly.
+ * @param {Object} normalizedOptions The normalized rule options.
+ * @returns {void}
+ */
+
+
+function createRegExpForIgnorePatterns(normalizedOptions) {
+  Object.keys(normalizedOptions).forEach(key => {
+    const ignorePatternStr = normalizedOptions[key].ignorePattern;
+
+    if (ignorePatternStr) {
+      const regExp = RegExp("^\\s*(?:".concat(ignorePatternStr, ")"), "u");
+      normalizedOptions[key].ignorePatternRegExp = regExp;
+    }
+  });
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce or disallow capitalization of the first letter of a comment",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/capitalized-comments"
+    },
+    fixable: "code",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      oneOf: [SCHEMA_BODY, {
+        type: "object",
+        properties: {
+          line: SCHEMA_BODY,
+          block: SCHEMA_BODY
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      unexpectedLowercaseComment: "Comments should not begin with a lowercase character.",
+      unexpectedUppercaseComment: "Comments should not begin with an uppercase character."
+    }
+  },
+
+  create(context) {
+    const capitalize = context.options[0] || "always",
+          normalizedOptions = getAllNormalizedOptions(context.options[1]),
+          sourceCode = context.getSourceCode();
+    createRegExpForIgnorePatterns(normalizedOptions); //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Checks whether a comment is an inline comment.
+     *
+     * For the purpose of this rule, a comment is inline if:
+     * 1. The comment is preceded by a token on the same line; and
+     * 2. The command is followed by a token on the same line.
+     *
+     * Note that the comment itself need not be single-line!
+     *
+     * Also, it follows from this definition that only block comments can
+     * be considered as possibly inline. This is because line comments
+     * would consume any following tokens on the same line as the comment.
+     * @param {ASTNode} comment The comment node to check.
+     * @returns {boolean} True if the comment is an inline comment, false
+     * otherwise.
+     */
+
+    function isInlineComment(comment) {
+      const previousToken = sourceCode.getTokenBefore(comment, {
+        includeComments: true
+      }),
+            nextToken = sourceCode.getTokenAfter(comment, {
+        includeComments: true
+      });
+      return Boolean(previousToken && nextToken && comment.loc.start.line === previousToken.loc.end.line && comment.loc.end.line === nextToken.loc.start.line);
+    }
+    /**
+     * Determine if a comment follows another comment.
+     * @param {ASTNode} comment The comment to check.
+     * @returns {boolean} True if the comment follows a valid comment.
+     */
+
+
+    function isConsecutiveComment(comment) {
+      const previousTokenOrComment = sourceCode.getTokenBefore(comment, {
+        includeComments: true
+      });
+      return Boolean(previousTokenOrComment && ["Block", "Line"].indexOf(previousTokenOrComment.type) !== -1);
+    }
+    /**
+     * Check a comment to determine if it is valid for this rule.
+     * @param {ASTNode} comment The comment node to process.
+     * @param {Object} options The options for checking this comment.
+     * @returns {boolean} True if the comment is valid, false otherwise.
+     */
+
+
+    function isCommentValid(comment, options) {
+      // 1. Check for default ignore pattern.
+      if (DEFAULT_IGNORE_PATTERN.test(comment.value)) {
+        return true;
+      } // 2. Check for custom ignore pattern.
+
+
+      const commentWithoutAsterisks = comment.value.replace(/\*/gu, "");
+
+      if (options.ignorePatternRegExp && options.ignorePatternRegExp.test(commentWithoutAsterisks)) {
+        return true;
+      } // 3. Check for inline comments.
+
+
+      if (options.ignoreInlineComments && isInlineComment(comment)) {
+        return true;
+      } // 4. Is this a consecutive comment (and are we tolerating those)?
+
+
+      if (options.ignoreConsecutiveComments && isConsecutiveComment(comment)) {
+        return true;
+      } // 5. Does the comment start with a possible URL?
+
+
+      if (MAYBE_URL.test(commentWithoutAsterisks)) {
+        return true;
+      } // 6. Is the initial word character a letter?
+
+
+      const commentWordCharsOnly = commentWithoutAsterisks.replace(WHITESPACE, "");
+
+      if (commentWordCharsOnly.length === 0) {
+        return true;
+      }
+
+      const firstWordChar = commentWordCharsOnly[0];
+
+      if (!LETTER_PATTERN.test(firstWordChar)) {
+        return true;
+      } // 7. Check the case of the initial word character.
+
+
+      const isUppercase = firstWordChar !== firstWordChar.toLocaleLowerCase(),
+            isLowercase = firstWordChar !== firstWordChar.toLocaleUpperCase();
+
+      if (capitalize === "always" && isLowercase) {
+        return false;
+      }
+
+      if (capitalize === "never" && isUppercase) {
+        return false;
+      }
+
+      return true;
+    }
+    /**
+     * Process a comment to determine if it needs to be reported.
+     * @param {ASTNode} comment The comment node to process.
+     * @returns {void}
+     */
+
+
+    function processComment(comment) {
+      const options = normalizedOptions[comment.type],
+            commentValid = isCommentValid(comment, options);
+
+      if (!commentValid) {
+        const messageId = capitalize === "always" ? "unexpectedLowercaseComment" : "unexpectedUppercaseComment";
+        context.report({
+          node: null,
+          // Intentionally using loc instead
+          loc: comment.loc,
+          messageId,
+
+          fix(fixer) {
+            const match = comment.value.match(LETTER_PATTERN);
+            return fixer.replaceTextRange( // Offset match.index by 2 to account for the first 2 characters that start the comment (// or /*)
+            [comment.range[0] + match.index + 2, comment.range[0] + match.index + 3], capitalize === "always" ? match[0].toLocaleUpperCase() : match[0].toLocaleLowerCase());
+          }
+
+        });
+      }
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      Program() {
+        const comments = sourceCode.getAllComments();
+        comments.filter(token => token.type !== "Shebang").forEach(processComment);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 444 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Pattern for detecting any letter (even letters outside of ASCII).
+ * NOTE: This file was generated using this script in JSCS based on the Unicode 7.0.0 standard: https://github.com/jscs-dev/node-jscs/blob/f5ed14427deb7e7aac84f3056a5aab2d9f3e563e/publish/helpers/generate-patterns.js
+ * Do not edit this file by hand-- please use https://github.com/mathiasbynens/regenerate to regenerate the regular expression exported from this file.
+ * @author Kevin Partington
+ * @license MIT License (from JSCS). See below.
+ */
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright 2013-2016 Dulin Marat and other contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+module.exports = 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+
+/***/ }),
+/* 445 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce that all class methods use 'this'.
+ * @author Patrick Williams
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce that class methods utilize `this`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/class-methods-use-this"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        exceptMethods: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingThis: "Expected 'this' to be used by class {{name}}."
+    }
+  },
+
+  create(context) {
+    const config = Object.assign({}, context.options[0]);
+    const exceptMethods = new Set(config.exceptMethods || []);
+    const stack = [];
+    /**
+     * Initializes the current context to false and pushes it onto the stack.
+     * These booleans represent whether 'this' has been used in the context.
+     * @returns {void}
+     * @private
+     */
+
+    function enterFunction() {
+      stack.push(false);
+    }
+    /**
+     * Check if the node is an instance method
+     * @param {ASTNode} node node to check
+     * @returns {boolean} True if its an instance method
+     * @private
+     */
+
+
+    function isInstanceMethod(node) {
+      return !node.static && node.kind !== "constructor" && node.type === "MethodDefinition";
+    }
+    /**
+     * Check if the node is an instance method not excluded by config
+     * @param {ASTNode} node node to check
+     * @returns {boolean} True if it is an instance method, and not excluded by config
+     * @private
+     */
+
+
+    function isIncludedInstanceMethod(node) {
+      return isInstanceMethod(node) && (node.computed || !exceptMethods.has(node.key.name));
+    }
+    /**
+     * Checks if we are leaving a function that is a method, and reports if 'this' has not been used.
+     * Static methods and the constructor are exempt.
+     * Then pops the context off the stack.
+     * @param {ASTNode} node A function node that was entered.
+     * @returns {void}
+     * @private
+     */
+
+
+    function exitFunction(node) {
+      const methodUsesThis = stack.pop();
+
+      if (isIncludedInstanceMethod(node.parent) && !methodUsesThis) {
+        context.report({
+          node,
+          messageId: "missingThis",
+          data: {
+            name: astUtils.getFunctionNameWithKind(node)
+          }
+        });
+      }
+    }
+    /**
+     * Mark the current context as having used 'this'.
+     * @returns {void}
+     * @private
+     */
+
+
+    function markThisUsed() {
+      if (stack.length) {
+        stack[stack.length - 1] = true;
+      }
+    }
+
+    return {
+      FunctionDeclaration: enterFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      FunctionExpression: enterFunction,
+      "FunctionExpression:exit": exitFunction,
+      ThisExpression: markThisUsed,
+      Super: markThisUsed
+    };
+  }
+
+};
+
+/***/ }),
+/* 446 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to forbid or enforce dangling commas.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const DEFAULT_OPTIONS = Object.freeze({
+  arrays: "never",
+  objects: "never",
+  imports: "never",
+  exports: "never",
+  functions: "never"
+});
+/**
+ * Checks whether or not a trailing comma is allowed in a given node.
+ * If the `lastItem` is `RestElement` or `RestProperty`, it disallows trailing commas.
+ * @param {ASTNode} lastItem The node of the last element in the given node.
+ * @returns {boolean} `true` if a trailing comma is allowed.
+ */
+
+function isTrailingCommaAllowed(lastItem) {
+  return !(lastItem.type === "RestElement" || lastItem.type === "RestProperty" || lastItem.type === "ExperimentalRestProperty");
+}
+/**
+ * Normalize option value.
+ * @param {string|Object|undefined} optionValue The 1st option value to normalize.
+ * @param {number} ecmaVersion The normalized ECMAScript version.
+ * @returns {Object} The normalized option value.
+ */
+
+
+function normalizeOptions(optionValue, ecmaVersion) {
+  if (typeof optionValue === "string") {
+    return {
+      arrays: optionValue,
+      objects: optionValue,
+      imports: optionValue,
+      exports: optionValue,
+      functions: !ecmaVersion || ecmaVersion < 8 ? "ignore" : optionValue
+    };
+  }
+
+  if (typeof optionValue === "object" && optionValue !== null) {
+    return {
+      arrays: optionValue.arrays || DEFAULT_OPTIONS.arrays,
+      objects: optionValue.objects || DEFAULT_OPTIONS.objects,
+      imports: optionValue.imports || DEFAULT_OPTIONS.imports,
+      exports: optionValue.exports || DEFAULT_OPTIONS.exports,
+      functions: optionValue.functions || DEFAULT_OPTIONS.functions
+    };
+  }
+
+  return DEFAULT_OPTIONS;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow trailing commas",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/comma-dangle"
+    },
+    fixable: "code",
+    schema: {
+      definitions: {
+        value: {
+          enum: ["always-multiline", "always", "never", "only-multiline"]
+        },
+        valueWithIgnore: {
+          enum: ["always-multiline", "always", "ignore", "never", "only-multiline"]
+        }
+      },
+      type: "array",
+      items: [{
+        oneOf: [{
+          $ref: "#/definitions/value"
+        }, {
+          type: "object",
+          properties: {
+            arrays: {
+              $ref: "#/definitions/valueWithIgnore"
+            },
+            objects: {
+              $ref: "#/definitions/valueWithIgnore"
+            },
+            imports: {
+              $ref: "#/definitions/valueWithIgnore"
+            },
+            exports: {
+              $ref: "#/definitions/valueWithIgnore"
+            },
+            functions: {
+              $ref: "#/definitions/valueWithIgnore"
+            }
+          },
+          additionalProperties: false
+        }]
+      }]
+    },
+    messages: {
+      unexpected: "Unexpected trailing comma.",
+      missing: "Missing trailing comma."
+    }
+  },
+
+  create(context) {
+    const options = normalizeOptions(context.options[0], context.parserOptions.ecmaVersion);
+    const sourceCode = context.getSourceCode();
+    /**
+     * Gets the last item of the given node.
+     * @param {ASTNode} node The node to get.
+     * @returns {ASTNode|null} The last node or null.
+     */
+
+    function getLastItem(node) {
+      switch (node.type) {
+        case "ObjectExpression":
+        case "ObjectPattern":
+          return lodash.last(node.properties);
+
+        case "ArrayExpression":
+        case "ArrayPattern":
+          return lodash.last(node.elements);
+
+        case "ImportDeclaration":
+        case "ExportNamedDeclaration":
+          return lodash.last(node.specifiers);
+
+        case "FunctionDeclaration":
+        case "FunctionExpression":
+        case "ArrowFunctionExpression":
+          return lodash.last(node.params);
+
+        case "CallExpression":
+        case "NewExpression":
+          return lodash.last(node.arguments);
+
+        default:
+          return null;
+      }
+    }
+    /**
+     * Gets the trailing comma token of the given node.
+     * If the trailing comma does not exist, this returns the token which is
+     * the insertion point of the trailing comma token.
+     * @param {ASTNode} node The node to get.
+     * @param {ASTNode} lastItem The last item of the node.
+     * @returns {Token} The trailing comma token or the insertion point.
+     */
+
+
+    function getTrailingToken(node, lastItem) {
+      switch (node.type) {
+        case "ObjectExpression":
+        case "ArrayExpression":
+        case "CallExpression":
+        case "NewExpression":
+          return sourceCode.getLastToken(node, 1);
+
+        default:
+          {
+            const nextToken = sourceCode.getTokenAfter(lastItem);
+
+            if (astUtils.isCommaToken(nextToken)) {
+              return nextToken;
+            }
+
+            return sourceCode.getLastToken(lastItem);
+          }
+      }
+    }
+    /**
+     * Checks whether or not a given node is multiline.
+     * This rule handles a given node as multiline when the closing parenthesis
+     * and the last element are not on the same line.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} `true` if the node is multiline.
+     */
+
+
+    function isMultiline(node) {
+      const lastItem = getLastItem(node);
+
+      if (!lastItem) {
+        return false;
+      }
+
+      const penultimateToken = getTrailingToken(node, lastItem);
+      const lastToken = sourceCode.getTokenAfter(penultimateToken);
+      return lastToken.loc.end.line !== penultimateToken.loc.end.line;
+    }
+    /**
+     * Reports a trailing comma if it exists.
+     * @param {ASTNode} node A node to check. Its type is one of
+     *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+     *   ImportDeclaration, and ExportNamedDeclaration.
+     * @returns {void}
+     */
+
+
+    function forbidTrailingComma(node) {
+      const lastItem = getLastItem(node);
+
+      if (!lastItem || node.type === "ImportDeclaration" && lastItem.type !== "ImportSpecifier") {
+        return;
+      }
+
+      const trailingToken = getTrailingToken(node, lastItem);
+
+      if (astUtils.isCommaToken(trailingToken)) {
+        context.report({
+          node: lastItem,
+          loc: trailingToken.loc,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            return fixer.remove(trailingToken);
+          }
+
+        });
+      }
+    }
+    /**
+     * Reports the last element of a given node if it does not have a trailing
+     * comma.
+     *
+     * If a given node is `ArrayPattern` which has `RestElement`, the trailing
+     * comma is disallowed, so report if it exists.
+     * @param {ASTNode} node A node to check. Its type is one of
+     *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+     *   ImportDeclaration, and ExportNamedDeclaration.
+     * @returns {void}
+     */
+
+
+    function forceTrailingComma(node) {
+      const lastItem = getLastItem(node);
+
+      if (!lastItem || node.type === "ImportDeclaration" && lastItem.type !== "ImportSpecifier") {
+        return;
+      }
+
+      if (!isTrailingCommaAllowed(lastItem)) {
+        forbidTrailingComma(node);
+        return;
+      }
+
+      const trailingToken = getTrailingToken(node, lastItem);
+
+      if (trailingToken.value !== ",") {
+        context.report({
+          node: lastItem,
+          loc: {
+            start: trailingToken.loc.end,
+            end: astUtils.getNextLocation(sourceCode, trailingToken.loc.end)
+          },
+          messageId: "missing",
+
+          fix(fixer) {
+            return fixer.insertTextAfter(trailingToken, ",");
+          }
+
+        });
+      }
+    }
+    /**
+     * If a given node is multiline, reports the last element of a given node
+     * when it does not have a trailing comma.
+     * Otherwise, reports a trailing comma if it exists.
+     * @param {ASTNode} node A node to check. Its type is one of
+     *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+     *   ImportDeclaration, and ExportNamedDeclaration.
+     * @returns {void}
+     */
+
+
+    function forceTrailingCommaIfMultiline(node) {
+      if (isMultiline(node)) {
+        forceTrailingComma(node);
+      } else {
+        forbidTrailingComma(node);
+      }
+    }
+    /**
+     * Only if a given node is not multiline, reports the last element of a given node
+     * when it does not have a trailing comma.
+     * Otherwise, reports a trailing comma if it exists.
+     * @param {ASTNode} node A node to check. Its type is one of
+     *   ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern,
+     *   ImportDeclaration, and ExportNamedDeclaration.
+     * @returns {void}
+     */
+
+
+    function allowTrailingCommaIfMultiline(node) {
+      if (!isMultiline(node)) {
+        forbidTrailingComma(node);
+      }
+    }
+
+    const predicate = {
+      always: forceTrailingComma,
+      "always-multiline": forceTrailingCommaIfMultiline,
+      "only-multiline": allowTrailingCommaIfMultiline,
+      never: forbidTrailingComma,
+      ignore: lodash.noop
+    };
+    return {
+      ObjectExpression: predicate[options.objects],
+      ObjectPattern: predicate[options.objects],
+      ArrayExpression: predicate[options.arrays],
+      ArrayPattern: predicate[options.arrays],
+      ImportDeclaration: predicate[options.imports],
+      ExportNamedDeclaration: predicate[options.exports],
+      FunctionDeclaration: predicate[options.functions],
+      FunctionExpression: predicate[options.functions],
+      ArrowFunctionExpression: predicate[options.functions],
+      CallExpression: predicate[options.functions],
+      NewExpression: predicate[options.functions]
+    };
+  }
+
+};
+
+/***/ }),
+/* 447 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Comma spacing - validates spacing before and after comma
+ * @author Vignesh Anand aka vegetableman.
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before and after commas",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/comma-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        before: {
+          type: "boolean",
+          default: false
+        },
+        after: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missing: "A space is required {{loc}} ','.",
+      unexpected: "There should be no space {{loc}} ','."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const tokensAndComments = sourceCode.tokensAndComments;
+    const options = {
+      before: context.options[0] ? context.options[0].before : false,
+      after: context.options[0] ? context.options[0].after : true
+    }; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // list of comma tokens to ignore for the check of leading whitespace
+
+    const commaTokensToIgnore = [];
+    /**
+     * Reports a spacing error with an appropriate message.
+     * @param {ASTNode} node The binary expression node to report.
+     * @param {string} loc Is the error "before" or "after" the comma?
+     * @param {ASTNode} otherNode The node at the left or right of `node`
+     * @returns {void}
+     * @private
+     */
+
+    function report(node, loc, otherNode) {
+      context.report({
+        node,
+
+        fix(fixer) {
+          if (options[loc]) {
+            if (loc === "before") {
+              return fixer.insertTextBefore(node, " ");
+            }
+
+            return fixer.insertTextAfter(node, " ");
+          }
+
+          let start, end;
+          const newText = "";
+
+          if (loc === "before") {
+            start = otherNode.range[1];
+            end = node.range[0];
+          } else {
+            start = node.range[1];
+            end = otherNode.range[0];
+          }
+
+          return fixer.replaceTextRange([start, end], newText);
+        },
+
+        messageId: options[loc] ? "missing" : "unexpected",
+        data: {
+          loc
+        }
+      });
+    }
+    /**
+     * Validates the spacing around a comma token.
+     * @param {Object} tokens The tokens to be validated.
+     * @param {Token} tokens.comma The token representing the comma.
+     * @param {Token} [tokens.left] The last token before the comma.
+     * @param {Token} [tokens.right] The first token after the comma.
+     * @param {Token|ASTNode} reportItem The item to use when reporting an error.
+     * @returns {void}
+     * @private
+     */
+
+
+    function validateCommaItemSpacing(tokens, reportItem) {
+      if (tokens.left && astUtils.isTokenOnSameLine(tokens.left, tokens.comma) && options.before !== sourceCode.isSpaceBetweenTokens(tokens.left, tokens.comma)) {
+        report(reportItem, "before", tokens.left);
+      }
+
+      if (tokens.right && astUtils.isClosingParenToken(tokens.right)) {
+        return;
+      }
+
+      if (tokens.right && !options.after && tokens.right.type === "Line") {
+        return;
+      }
+
+      if (tokens.right && astUtils.isTokenOnSameLine(tokens.comma, tokens.right) && options.after !== sourceCode.isSpaceBetweenTokens(tokens.comma, tokens.right)) {
+        report(reportItem, "after", tokens.right);
+      }
+    }
+    /**
+     * Adds null elements of the given ArrayExpression or ArrayPattern node to the ignore list.
+     * @param {ASTNode} node An ArrayExpression or ArrayPattern node.
+     * @returns {void}
+     */
+
+
+    function addNullElementsToIgnoreList(node) {
+      let previousToken = sourceCode.getFirstToken(node);
+      node.elements.forEach(element => {
+        let token;
+
+        if (element === null) {
+          token = sourceCode.getTokenAfter(previousToken);
+
+          if (astUtils.isCommaToken(token)) {
+            commaTokensToIgnore.push(token);
+          }
+        } else {
+          token = sourceCode.getTokenAfter(element);
+        }
+
+        previousToken = token;
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      "Program:exit"() {
+        tokensAndComments.forEach((token, i) => {
+          if (!astUtils.isCommaToken(token)) {
+            return;
+          }
+
+          if (token && token.type === "JSXText") {
+            return;
+          }
+
+          const previousToken = tokensAndComments[i - 1];
+          const nextToken = tokensAndComments[i + 1];
+          validateCommaItemSpacing({
+            comma: token,
+            left: astUtils.isCommaToken(previousToken) || commaTokensToIgnore.indexOf(token) > -1 ? null : previousToken,
+            right: astUtils.isCommaToken(nextToken) ? null : nextToken
+          }, token);
+        });
+      },
+
+      ArrayExpression: addNullElementsToIgnoreList,
+      ArrayPattern: addNullElementsToIgnoreList
+    };
+  }
+
+};
+
+/***/ }),
+/* 448 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Comma style - enforces comma styles of two types: last and first
+ * @author Vignesh Anand aka vegetableman
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent comma style",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/comma-style"
+    },
+    fixable: "code",
+    schema: [{
+      enum: ["first", "last"]
+    }, {
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "object",
+          additionalProperties: {
+            type: "boolean"
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedLineBeforeAndAfterComma: "Bad line breaking before and after ','.",
+      expectedCommaFirst: "',' should be placed first.",
+      expectedCommaLast: "',' should be placed last."
+    }
+  },
+
+  create(context) {
+    const style = context.options[0] || "last",
+          sourceCode = context.getSourceCode();
+    const exceptions = {
+      ArrayPattern: true,
+      ArrowFunctionExpression: true,
+      CallExpression: true,
+      FunctionDeclaration: true,
+      FunctionExpression: true,
+      ImportDeclaration: true,
+      ObjectPattern: true,
+      NewExpression: true
+    };
+
+    if (context.options.length === 2 && Object.prototype.hasOwnProperty.call(context.options[1], "exceptions")) {
+      const keys = Object.keys(context.options[1].exceptions);
+
+      for (let i = 0; i < keys.length; i++) {
+        exceptions[keys[i]] = context.options[1].exceptions[keys[i]];
+      }
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Modified text based on the style
+     * @param {string} styleType Style type
+     * @param {string} text Source code text
+     * @returns {string} modified text
+     * @private
+     */
+
+
+    function getReplacedText(styleType, text) {
+      switch (styleType) {
+        case "between":
+          return ",".concat(text.replace(astUtils.LINEBREAK_MATCHER, ""));
+
+        case "first":
+          return "".concat(text, ",");
+
+        case "last":
+          return ",".concat(text);
+
+        default:
+          return "";
+      }
+    }
+    /**
+     * Determines the fixer function for a given style.
+     * @param {string} styleType comma style
+     * @param {ASTNode} previousItemToken The token to check.
+     * @param {ASTNode} commaToken The token to check.
+     * @param {ASTNode} currentItemToken The token to check.
+     * @returns {Function} Fixer function
+     * @private
+     */
+
+
+    function getFixerFunction(styleType, previousItemToken, commaToken, currentItemToken) {
+      const text = sourceCode.text.slice(previousItemToken.range[1], commaToken.range[0]) + sourceCode.text.slice(commaToken.range[1], currentItemToken.range[0]);
+      const range = [previousItemToken.range[1], currentItemToken.range[0]];
+      return function (fixer) {
+        return fixer.replaceTextRange(range, getReplacedText(styleType, text));
+      };
+    }
+    /**
+     * Validates the spacing around single items in lists.
+     * @param {Token} previousItemToken The last token from the previous item.
+     * @param {Token} commaToken The token representing the comma.
+     * @param {Token} currentItemToken The first token of the current item.
+     * @param {Token} reportItem The item to use when reporting an error.
+     * @returns {void}
+     * @private
+     */
+
+
+    function validateCommaItemSpacing(previousItemToken, commaToken, currentItemToken, reportItem) {
+      // if single line
+      if (astUtils.isTokenOnSameLine(commaToken, currentItemToken) && astUtils.isTokenOnSameLine(previousItemToken, commaToken)) {// do nothing.
+      } else if (!astUtils.isTokenOnSameLine(commaToken, currentItemToken) && !astUtils.isTokenOnSameLine(previousItemToken, commaToken)) {
+        const comment = sourceCode.getCommentsAfter(commaToken)[0];
+        const styleType = comment && comment.type === "Block" && astUtils.isTokenOnSameLine(commaToken, comment) ? style : "between"; // lone comma
+
+        context.report({
+          node: reportItem,
+          loc: {
+            line: commaToken.loc.end.line,
+            column: commaToken.loc.start.column
+          },
+          messageId: "unexpectedLineBeforeAndAfterComma",
+          fix: getFixerFunction(styleType, previousItemToken, commaToken, currentItemToken)
+        });
+      } else if (style === "first" && !astUtils.isTokenOnSameLine(commaToken, currentItemToken)) {
+        context.report({
+          node: reportItem,
+          messageId: "expectedCommaFirst",
+          fix: getFixerFunction(style, previousItemToken, commaToken, currentItemToken)
+        });
+      } else if (style === "last" && astUtils.isTokenOnSameLine(commaToken, currentItemToken)) {
+        context.report({
+          node: reportItem,
+          loc: {
+            line: commaToken.loc.end.line,
+            column: commaToken.loc.end.column
+          },
+          messageId: "expectedCommaLast",
+          fix: getFixerFunction(style, previousItemToken, commaToken, currentItemToken)
+        });
+      }
+    }
+    /**
+     * Checks the comma placement with regards to a declaration/property/element
+     * @param {ASTNode} node The binary expression node to check
+     * @param {string} property The property of the node containing child nodes.
+     * @private
+     * @returns {void}
+     */
+
+
+    function validateComma(node, property) {
+      const items = node[property],
+            arrayLiteral = node.type === "ArrayExpression" || node.type === "ArrayPattern";
+
+      if (items.length > 1 || arrayLiteral) {
+        // seed as opening [
+        let previousItemToken = sourceCode.getFirstToken(node);
+        items.forEach(item => {
+          const commaToken = item ? sourceCode.getTokenBefore(item) : previousItemToken,
+                currentItemToken = item ? sourceCode.getFirstToken(item) : sourceCode.getTokenAfter(commaToken),
+                reportItem = item || currentItemToken;
+          /*
+           * This works by comparing three token locations:
+           * - previousItemToken is the last token of the previous item
+           * - commaToken is the location of the comma before the current item
+           * - currentItemToken is the first token of the current item
+           *
+           * These values get switched around if item is undefined.
+           * previousItemToken will refer to the last token not belonging
+           * to the current item, which could be a comma or an opening
+           * square bracket. currentItemToken could be a comma.
+           *
+           * All comparisons are done based on these tokens directly, so
+           * they are always valid regardless of an undefined item.
+           */
+
+          if (astUtils.isCommaToken(commaToken)) {
+            validateCommaItemSpacing(previousItemToken, commaToken, currentItemToken, reportItem);
+          }
+
+          if (item) {
+            const tokenAfterItem = sourceCode.getTokenAfter(item, astUtils.isNotClosingParenToken);
+            previousItemToken = tokenAfterItem ? sourceCode.getTokenBefore(tokenAfterItem) : sourceCode.ast.tokens[sourceCode.ast.tokens.length - 1];
+          }
+        });
+        /*
+         * Special case for array literals that have empty last items, such
+         * as [ 1, 2, ]. These arrays only have two items show up in the
+         * AST, so we need to look at the token to verify that there's no
+         * dangling comma.
+         */
+
+        if (arrayLiteral) {
+          const lastToken = sourceCode.getLastToken(node),
+                nextToLastToken = sourceCode.getTokenBefore(lastToken);
+
+          if (astUtils.isCommaToken(nextToLastToken)) {
+            validateCommaItemSpacing(sourceCode.getTokenBefore(nextToLastToken), nextToLastToken, lastToken, lastToken);
+          }
+        }
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    const nodes = {};
+
+    if (!exceptions.VariableDeclaration) {
+      nodes.VariableDeclaration = function (node) {
+        validateComma(node, "declarations");
+      };
+    }
+
+    if (!exceptions.ObjectExpression) {
+      nodes.ObjectExpression = function (node) {
+        validateComma(node, "properties");
+      };
+    }
+
+    if (!exceptions.ObjectPattern) {
+      nodes.ObjectPattern = function (node) {
+        validateComma(node, "properties");
+      };
+    }
+
+    if (!exceptions.ArrayExpression) {
+      nodes.ArrayExpression = function (node) {
+        validateComma(node, "elements");
+      };
+    }
+
+    if (!exceptions.ArrayPattern) {
+      nodes.ArrayPattern = function (node) {
+        validateComma(node, "elements");
+      };
+    }
+
+    if (!exceptions.FunctionDeclaration) {
+      nodes.FunctionDeclaration = function (node) {
+        validateComma(node, "params");
+      };
+    }
+
+    if (!exceptions.FunctionExpression) {
+      nodes.FunctionExpression = function (node) {
+        validateComma(node, "params");
+      };
+    }
+
+    if (!exceptions.ArrowFunctionExpression) {
+      nodes.ArrowFunctionExpression = function (node) {
+        validateComma(node, "params");
+      };
+    }
+
+    if (!exceptions.CallExpression) {
+      nodes.CallExpression = function (node) {
+        validateComma(node, "arguments");
+      };
+    }
+
+    if (!exceptions.ImportDeclaration) {
+      nodes.ImportDeclaration = function (node) {
+        validateComma(node, "specifiers");
+      };
+    }
+
+    if (!exceptions.NewExpression) {
+      nodes.NewExpression = function (node) {
+        validateComma(node, "arguments");
+      };
+    }
+
+    return nodes;
+  }
+
+};
+
+/***/ }),
+/* 449 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Counts the cyclomatic complexity of each function of the script. See http://en.wikipedia.org/wiki/Cyclomatic_complexity.
+ * Counts the number of if, conditional, for, while, try, switch/case,
+ * @author Patrick Brosset
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum cyclomatic complexity allowed in a program",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/complexity"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          maximum: {
+            type: "integer",
+            minimum: 0
+          },
+          max: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      complex: "{{name}} has a complexity of {{complexity}}. Maximum allowed is {{max}}."
+    }
+  },
+
+  create(context) {
+    const option = context.options[0];
+    let THRESHOLD = 20;
+
+    if (typeof option === "object" && (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))) {
+      THRESHOLD = option.maximum || option.max;
+    } else if (typeof option === "number") {
+      THRESHOLD = option;
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // Using a stack to store complexity (handling nested functions)
+
+
+    const fns = [];
+    /**
+     * When parsing a new function, store it in our function stack
+     * @returns {void}
+     * @private
+     */
+
+    function startFunction() {
+      fns.push(1);
+    }
+    /**
+     * Evaluate the node at the end of function
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function endFunction(node) {
+      const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(node));
+      const complexity = fns.pop();
+
+      if (complexity > THRESHOLD) {
+        context.report({
+          node,
+          messageId: "complex",
+          data: {
+            name,
+            complexity,
+            max: THRESHOLD
+          }
+        });
+      }
+    }
+    /**
+     * Increase the complexity of the function in context
+     * @returns {void}
+     * @private
+     */
+
+
+    function increaseComplexity() {
+      if (fns.length) {
+        fns[fns.length - 1]++;
+      }
+    }
+    /**
+     * Increase the switch complexity in context
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function increaseSwitchComplexity(node) {
+      // Avoiding `default`
+      if (node.test) {
+        increaseComplexity();
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      FunctionDeclaration: startFunction,
+      FunctionExpression: startFunction,
+      ArrowFunctionExpression: startFunction,
+      "FunctionDeclaration:exit": endFunction,
+      "FunctionExpression:exit": endFunction,
+      "ArrowFunctionExpression:exit": endFunction,
+      CatchClause: increaseComplexity,
+      ConditionalExpression: increaseComplexity,
+      LogicalExpression: increaseComplexity,
+      ForStatement: increaseComplexity,
+      ForInStatement: increaseComplexity,
+      ForOfStatement: increaseComplexity,
+      IfStatement: increaseComplexity,
+      SwitchCase: increaseSwitchComplexity,
+      WhileStatement: increaseComplexity,
+      DoWhileStatement: increaseComplexity
+    };
+  }
+
+};
+
+/***/ }),
+/* 450 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows or enforces spaces inside computed properties.
+ * @author Jamund Ferguson
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing inside computed property brackets",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/computed-property-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        enforceForClassMembers: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
+      unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
+      missingSpaceBefore: "A space is required before '{{tokenValue}}'.",
+      missingSpaceAfter: "A space is required after '{{tokenValue}}'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const propertyNameMustBeSpaced = context.options[0] === "always"; // default is "never"
+
+    const enforceForClassMembers = !context.options[1] || context.options[1].enforceForClassMembers; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports that there shouldn't be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @param {Token} tokenAfter The token after `token`.
+     * @returns {void}
+     */
+
+    function reportNoBeginningSpace(node, token, tokenAfter) {
+      context.report({
+        node,
+        loc: {
+          start: token.loc.end,
+          end: tokenAfter.loc.start
+        },
+        messageId: "unexpectedSpaceAfter",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there shouldn't be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @param {Token} tokenBefore The token before `token`.
+     * @returns {void}
+     */
+
+
+    function reportNoEndingSpace(node, token, tokenBefore) {
+      context.report({
+        node,
+        loc: {
+          start: tokenBefore.loc.end,
+          end: token.loc.start
+        },
+        messageId: "unexpectedSpaceBefore",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredBeginningSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingSpaceAfter",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextAfter(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredEndingSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "missingSpaceBefore",
+        data: {
+          tokenValue: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextBefore(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Returns a function that checks the spacing of a node on the property name
+     * that was passed in.
+     * @param {string} propertyName The property on the node to check for spacing
+     * @returns {Function} A function that will check spacing on a node
+     */
+
+
+    function checkSpacing(propertyName) {
+      return function (node) {
+        if (!node.computed) {
+          return;
+        }
+
+        const property = node[propertyName];
+        const before = sourceCode.getTokenBefore(property, astUtils.isOpeningBracketToken),
+              first = sourceCode.getTokenAfter(before, {
+          includeComments: true
+        }),
+              after = sourceCode.getTokenAfter(property, astUtils.isClosingBracketToken),
+              last = sourceCode.getTokenBefore(after, {
+          includeComments: true
+        });
+
+        if (astUtils.isTokenOnSameLine(before, first)) {
+          if (propertyNameMustBeSpaced) {
+            if (!sourceCode.isSpaceBetweenTokens(before, first) && astUtils.isTokenOnSameLine(before, first)) {
+              reportRequiredBeginningSpace(node, before);
+            }
+          } else {
+            if (sourceCode.isSpaceBetweenTokens(before, first)) {
+              reportNoBeginningSpace(node, before, first);
+            }
+          }
+        }
+
+        if (astUtils.isTokenOnSameLine(last, after)) {
+          if (propertyNameMustBeSpaced) {
+            if (!sourceCode.isSpaceBetweenTokens(last, after) && astUtils.isTokenOnSameLine(last, after)) {
+              reportRequiredEndingSpace(node, after);
+            }
+          } else {
+            if (sourceCode.isSpaceBetweenTokens(last, after)) {
+              reportNoEndingSpace(node, after, last);
+            }
+          }
+        }
+      };
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    const listeners = {
+      Property: checkSpacing("key"),
+      MemberExpression: checkSpacing("property")
+    };
+
+    if (enforceForClassMembers) {
+      listeners.MethodDefinition = checkSpacing("key");
+    }
+
+    return listeners;
+  }
+
+};
+
+/***/ }),
+/* 451 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag consistent return values
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is an `Identifier` node which was named a given name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name An expected name of the node.
+ * @returns {boolean} `true` if the node is an `Identifier` node which was named as expected.
+ */
+
+
+function isIdentifier(node, name) {
+  return node.type === "Identifier" && node.name === name;
+}
+/**
+ * Checks whether or not a given code path segment is unreachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is unreachable.
+ */
+
+
+function isUnreachable(segment) {
+  return !segment.reachable;
+}
+/**
+ * Checks whether a given node is a `constructor` method in an ES6 class
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node is a `constructor` method
+ */
+
+
+function isClassConstructor(node) {
+  return node.type === "FunctionExpression" && node.parent && node.parent.type === "MethodDefinition" && node.parent.kind === "constructor";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `return` statements to either always or never specify values",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/consistent-return"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        treatUndefinedAsUnspecified: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingReturn: "Expected to return a value at the end of {{name}}.",
+      missingReturnValue: "{{name}} expected a return value.",
+      unexpectedReturnValue: "{{name}} expected no return value."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const treatUndefinedAsUnspecified = options.treatUndefinedAsUnspecified === true;
+    let funcInfo = null;
+    /**
+     * Checks whether of not the implicit returning is consistent if the last
+     * code path segment is reachable.
+     * @param {ASTNode} node A program/function node to check.
+     * @returns {void}
+     */
+
+    function checkLastSegment(node) {
+      let loc, name;
+      /*
+       * Skip if it expected no return value or unreachable.
+       * When unreachable, all paths are returned or thrown.
+       */
+
+      if (!funcInfo.hasReturnValue || funcInfo.codePath.currentSegments.every(isUnreachable) || astUtils.isES5Constructor(node) || isClassConstructor(node)) {
+        return;
+      } // Adjust a location and a message.
+
+
+      if (node.type === "Program") {
+        // The head of program.
+        loc = {
+          line: 1,
+          column: 0
+        };
+        name = "program";
+      } else if (node.type === "ArrowFunctionExpression") {
+        // `=>` token
+        loc = context.getSourceCode().getTokenBefore(node.body, astUtils.isArrowToken).loc.start;
+      } else if (node.parent.type === "MethodDefinition" || node.parent.type === "Property" && node.parent.method) {
+        // Method name.
+        loc = node.parent.key.loc.start;
+      } else {
+        // Function name or `function` keyword.
+        loc = (node.id || node).loc.start;
+      }
+
+      if (!name) {
+        name = astUtils.getFunctionNameWithKind(node);
+      } // Reports.
+
+
+      context.report({
+        node,
+        loc,
+        messageId: "missingReturn",
+        data: {
+          name
+        }
+      });
+    }
+
+    return {
+      // Initializes/Disposes state of each code path.
+      onCodePathStart(codePath, node) {
+        funcInfo = {
+          upper: funcInfo,
+          codePath,
+          hasReturn: false,
+          hasReturnValue: false,
+          messageId: "",
+          node
+        };
+      },
+
+      onCodePathEnd() {
+        funcInfo = funcInfo.upper;
+      },
+
+      // Reports a given return statement if it's inconsistent.
+      ReturnStatement(node) {
+        const argument = node.argument;
+        let hasReturnValue = Boolean(argument);
+
+        if (treatUndefinedAsUnspecified && hasReturnValue) {
+          hasReturnValue = !isIdentifier(argument, "undefined") && argument.operator !== "void";
+        }
+
+        if (!funcInfo.hasReturn) {
+          funcInfo.hasReturn = true;
+          funcInfo.hasReturnValue = hasReturnValue;
+          funcInfo.messageId = hasReturnValue ? "missingReturnValue" : "unexpectedReturnValue";
+          funcInfo.data = {
+            name: funcInfo.node.type === "Program" ? "Program" : lodash.upperFirst(astUtils.getFunctionNameWithKind(funcInfo.node))
+          };
+        } else if (funcInfo.hasReturnValue !== hasReturnValue) {
+          context.report({
+            node,
+            messageId: funcInfo.messageId,
+            data: funcInfo.data
+          });
+        }
+      },
+
+      // Reports a given program/function if the implicit returning is not consistent.
+      "Program:exit": checkLastSegment,
+      "FunctionDeclaration:exit": checkLastSegment,
+      "FunctionExpression:exit": checkLastSegment,
+      "ArrowFunctionExpression:exit": checkLastSegment
+    };
+  }
+
+};
+
+/***/ }),
+/* 452 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce consistent naming of "this" context variables
+ * @author Raphael Pigulla
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce consistent naming when capturing the current execution context",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/consistent-this"
+    },
+    schema: {
+      type: "array",
+      items: {
+        type: "string",
+        minLength: 1
+      },
+      uniqueItems: true
+    },
+    messages: {
+      aliasNotAssignedToThis: "Designated alias '{{name}}' is not assigned to 'this'.",
+      unexpectedAlias: "Unexpected alias '{{name}}' for 'this'."
+    }
+  },
+
+  create(context) {
+    let aliases = [];
+
+    if (context.options.length === 0) {
+      aliases.push("that");
+    } else {
+      aliases = context.options;
+    }
+    /**
+     * Reports that a variable declarator or assignment expression is assigning
+     * a non-'this' value to the specified alias.
+     * @param {ASTNode} node The assigning node.
+     * @param {string}  name the name of the alias that was incorrectly used.
+     * @returns {void}
+     */
+
+
+    function reportBadAssignment(node, name) {
+      context.report({
+        node,
+        messageId: "aliasNotAssignedToThis",
+        data: {
+          name
+        }
+      });
+    }
+    /**
+     * Checks that an assignment to an identifier only assigns 'this' to the
+     * appropriate alias, and the alias is only assigned to 'this'.
+     * @param {ASTNode} node The assigning node.
+     * @param {Identifier} name The name of the variable assigned to.
+     * @param {Expression} value The value of the assignment.
+     * @returns {void}
+     */
+
+
+    function checkAssignment(node, name, value) {
+      const isThis = value.type === "ThisExpression";
+
+      if (aliases.indexOf(name) !== -1) {
+        if (!isThis || node.operator && node.operator !== "=") {
+          reportBadAssignment(node, name);
+        }
+      } else if (isThis) {
+        context.report({
+          node,
+          messageId: "unexpectedAlias",
+          data: {
+            name
+          }
+        });
+      }
+    }
+    /**
+     * Ensures that a variable declaration of the alias in a program or function
+     * is assigned to the correct value.
+     * @param {string} alias alias the check the assignment of.
+     * @param {Object} scope scope of the current code we are checking.
+     * @private
+     * @returns {void}
+     */
+
+
+    function checkWasAssigned(alias, scope) {
+      const variable = scope.set.get(alias);
+
+      if (!variable) {
+        return;
+      }
+
+      if (variable.defs.some(def => def.node.type === "VariableDeclarator" && def.node.init !== null)) {
+        return;
+      }
+      /*
+       * The alias has been declared and not assigned: check it was
+       * assigned later in the same scope.
+       */
+
+
+      if (!variable.references.some(reference => {
+        const write = reference.writeExpr;
+        return reference.from === scope && write && write.type === "ThisExpression" && write.parent.operator === "=";
+      })) {
+        variable.defs.map(def => def.node).forEach(node => {
+          reportBadAssignment(node, alias);
+        });
+      }
+    }
+    /**
+     * Check each alias to ensure that is was assigned to the correct value.
+     * @returns {void}
+     */
+
+
+    function ensureWasAssigned() {
+      const scope = context.getScope();
+      aliases.forEach(alias => {
+        checkWasAssigned(alias, scope);
+      });
+    }
+
+    return {
+      "Program:exit": ensureWasAssigned,
+      "FunctionExpression:exit": ensureWasAssigned,
+      "FunctionDeclaration:exit": ensureWasAssigned,
+
+      VariableDeclarator(node) {
+        const id = node.id;
+        const isDestructuring = id.type === "ArrayPattern" || id.type === "ObjectPattern";
+
+        if (node.init !== null && !isDestructuring) {
+          checkAssignment(node, id.name, node.init);
+        }
+      },
+
+      AssignmentExpression(node) {
+        if (node.left.type === "Identifier") {
+          checkAssignment(node, node.left.name, node.right);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 453 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to verify `super()` callings in constructor.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a given code path segment is reachable or not.
+ * @param {CodePathSegment} segment A code path segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+function isReachable(segment) {
+  return segment.reachable;
+}
+/**
+ * Checks whether or not a given node is a constructor.
+ * @param {ASTNode} node A node to check. This node type is one of
+ *   `Program`, `FunctionDeclaration`, `FunctionExpression`, and
+ *   `ArrowFunctionExpression`.
+ * @returns {boolean} `true` if the node is a constructor.
+ */
+
+
+function isConstructorFunction(node) {
+  return node.type === "FunctionExpression" && node.parent.type === "MethodDefinition" && node.parent.kind === "constructor";
+}
+/**
+ * Checks whether a given node can be a constructor or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node can be a constructor.
+ */
+
+
+function isPossibleConstructor(node) {
+  if (!node) {
+    return false;
+  }
+
+  switch (node.type) {
+    case "ClassExpression":
+    case "FunctionExpression":
+    case "ThisExpression":
+    case "MemberExpression":
+    case "CallExpression":
+    case "NewExpression":
+    case "YieldExpression":
+    case "TaggedTemplateExpression":
+    case "MetaProperty":
+      return true;
+
+    case "Identifier":
+      return node.name !== "undefined";
+
+    case "AssignmentExpression":
+      return isPossibleConstructor(node.right);
+
+    case "LogicalExpression":
+      return isPossibleConstructor(node.left) || isPossibleConstructor(node.right);
+
+    case "ConditionalExpression":
+      return isPossibleConstructor(node.alternate) || isPossibleConstructor(node.consequent);
+
+    case "SequenceExpression":
+      {
+        const lastExpression = node.expressions[node.expressions.length - 1];
+        return isPossibleConstructor(lastExpression);
+      }
+
+    default:
+      return false;
+  }
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "require `super()` calls in constructors",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/constructor-super"
+    },
+    schema: [],
+    messages: {
+      missingSome: "Lacked a call of 'super()' in some code paths.",
+      missingAll: "Expected to call 'super()'.",
+      duplicate: "Unexpected duplicate 'super()'.",
+      badSuper: "Unexpected 'super()' because 'super' is not a constructor.",
+      unexpected: "Unexpected 'super()'."
+    }
+  },
+
+  create(context) {
+    /*
+     * {{hasExtends: boolean, scope: Scope, codePath: CodePath}[]}
+     * Information for each constructor.
+     * - upper:      Information of the upper constructor.
+     * - hasExtends: A flag which shows whether own class has a valid `extends`
+     *               part.
+     * - scope:      The scope of own class.
+     * - codePath:   The code path object of the constructor.
+     */
+    let funcInfo = null;
+    /*
+     * {Map<string, {calledInSomePaths: boolean, calledInEveryPaths: boolean}>}
+     * Information for each code path segment.
+     * - calledInSomePaths:  A flag of be called `super()` in some code paths.
+     * - calledInEveryPaths: A flag of be called `super()` in all code paths.
+     * - validNodes:
+     */
+
+    let segInfoMap = Object.create(null);
+    /**
+     * Gets the flag which shows `super()` is called in some paths.
+     * @param {CodePathSegment} segment A code path segment to get.
+     * @returns {boolean} The flag which shows `super()` is called in some paths
+     */
+
+    function isCalledInSomePath(segment) {
+      return segment.reachable && segInfoMap[segment.id].calledInSomePaths;
+    }
+    /**
+     * Gets the flag which shows `super()` is called in all paths.
+     * @param {CodePathSegment} segment A code path segment to get.
+     * @returns {boolean} The flag which shows `super()` is called in all paths.
+     */
+
+
+    function isCalledInEveryPath(segment) {
+      /*
+       * If specific segment is the looped segment of the current segment,
+       * skip the segment.
+       * If not skipped, this never becomes true after a loop.
+       */
+      if (segment.nextSegments.length === 1 && segment.nextSegments[0].isLoopedPrevSegment(segment)) {
+        return true;
+      }
+
+      return segment.reachable && segInfoMap[segment.id].calledInEveryPaths;
+    }
+
+    return {
+      /**
+       * Stacks a constructor information.
+       * @param {CodePath} codePath A code path which was started.
+       * @param {ASTNode} node The current node.
+       * @returns {void}
+       */
+      onCodePathStart(codePath, node) {
+        if (isConstructorFunction(node)) {
+          // Class > ClassBody > MethodDefinition > FunctionExpression
+          const classNode = node.parent.parent.parent;
+          const superClass = classNode.superClass;
+          funcInfo = {
+            upper: funcInfo,
+            isConstructor: true,
+            hasExtends: Boolean(superClass),
+            superIsConstructor: isPossibleConstructor(superClass),
+            codePath
+          };
+        } else {
+          funcInfo = {
+            upper: funcInfo,
+            isConstructor: false,
+            hasExtends: false,
+            superIsConstructor: false,
+            codePath
+          };
+        }
+      },
+
+      /**
+       * Pops a constructor information.
+       * And reports if `super()` lacked.
+       * @param {CodePath} codePath A code path which was ended.
+       * @param {ASTNode} node The current node.
+       * @returns {void}
+       */
+      onCodePathEnd(codePath, node) {
+        const hasExtends = funcInfo.hasExtends; // Pop.
+
+        funcInfo = funcInfo.upper;
+
+        if (!hasExtends) {
+          return;
+        } // Reports if `super()` lacked.
+
+
+        const segments = codePath.returnedSegments;
+        const calledInEveryPaths = segments.every(isCalledInEveryPath);
+        const calledInSomePaths = segments.some(isCalledInSomePath);
+
+        if (!calledInEveryPaths) {
+          context.report({
+            messageId: calledInSomePaths ? "missingSome" : "missingAll",
+            node: node.parent
+          });
+        }
+      },
+
+      /**
+       * Initialize information of a given code path segment.
+       * @param {CodePathSegment} segment A code path segment to initialize.
+       * @returns {void}
+       */
+      onCodePathSegmentStart(segment) {
+        if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+          return;
+        } // Initialize info.
+
+
+        const info = segInfoMap[segment.id] = {
+          calledInSomePaths: false,
+          calledInEveryPaths: false,
+          validNodes: []
+        }; // When there are previous segments, aggregates these.
+
+        const prevSegments = segment.prevSegments;
+
+        if (prevSegments.length > 0) {
+          info.calledInSomePaths = prevSegments.some(isCalledInSomePath);
+          info.calledInEveryPaths = prevSegments.every(isCalledInEveryPath);
+        }
+      },
+
+      /**
+       * Update information of the code path segment when a code path was
+       * looped.
+       * @param {CodePathSegment} fromSegment The code path segment of the
+       *      end of a loop.
+       * @param {CodePathSegment} toSegment A code path segment of the head
+       *      of a loop.
+       * @returns {void}
+       */
+      onCodePathSegmentLoop(fromSegment, toSegment) {
+        if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+          return;
+        } // Update information inside of the loop.
+
+
+        const isRealLoop = toSegment.prevSegments.length >= 2;
+        funcInfo.codePath.traverseSegments({
+          first: toSegment,
+          last: fromSegment
+        }, segment => {
+          const info = segInfoMap[segment.id];
+          const prevSegments = segment.prevSegments; // Updates flags.
+
+          info.calledInSomePaths = prevSegments.some(isCalledInSomePath);
+          info.calledInEveryPaths = prevSegments.every(isCalledInEveryPath); // If flags become true anew, reports the valid nodes.
+
+          if (info.calledInSomePaths || isRealLoop) {
+            const nodes = info.validNodes;
+            info.validNodes = [];
+
+            for (let i = 0; i < nodes.length; ++i) {
+              const node = nodes[i];
+              context.report({
+                messageId: "duplicate",
+                node
+              });
+            }
+          }
+        });
+      },
+
+      /**
+       * Checks for a call of `super()`.
+       * @param {ASTNode} node A CallExpression node to check.
+       * @returns {void}
+       */
+      "CallExpression:exit"(node) {
+        if (!(funcInfo && funcInfo.isConstructor)) {
+          return;
+        } // Skips except `super()`.
+
+
+        if (node.callee.type !== "Super") {
+          return;
+        } // Reports if needed.
+
+
+        if (funcInfo.hasExtends) {
+          const segments = funcInfo.codePath.currentSegments;
+          let duplicate = false;
+          let info = null;
+
+          for (let i = 0; i < segments.length; ++i) {
+            const segment = segments[i];
+
+            if (segment.reachable) {
+              info = segInfoMap[segment.id];
+              duplicate = duplicate || info.calledInSomePaths;
+              info.calledInSomePaths = info.calledInEveryPaths = true;
+            }
+          }
+
+          if (info) {
+            if (duplicate) {
+              context.report({
+                messageId: "duplicate",
+                node
+              });
+            } else if (!funcInfo.superIsConstructor) {
+              context.report({
+                messageId: "badSuper",
+                node
+              });
+            } else {
+              info.validNodes.push(node);
+            }
+          }
+        } else if (funcInfo.codePath.currentSegments.some(isReachable)) {
+          context.report({
+            messageId: "unexpected",
+            node
+          });
+        }
+      },
+
+      /**
+       * Set the mark to the returned path as `super()` was called.
+       * @param {ASTNode} node A ReturnStatement node to check.
+       * @returns {void}
+       */
+      ReturnStatement(node) {
+        if (!(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends)) {
+          return;
+        } // Skips if no argument.
+
+
+        if (!node.argument) {
+          return;
+        } // Returning argument is a substitute of 'super()'.
+
+
+        const segments = funcInfo.codePath.currentSegments;
+
+        for (let i = 0; i < segments.length; ++i) {
+          const segment = segments[i];
+
+          if (segment.reachable) {
+            const info = segInfoMap[segment.id];
+            info.calledInSomePaths = info.calledInEveryPaths = true;
+          }
+        }
+      },
+
+      /**
+       * Resets state.
+       * @returns {void}
+       */
+      "Program:exit"() {
+        segInfoMap = Object.create(null);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 454 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag statements without curly braces
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce consistent brace style for all control statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/curly"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["all"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["multi", "multi-line", "multi-or-nest"]
+        }, {
+          enum: ["consistent"]
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    fixable: "code",
+    messages: {
+      missingCurlyAfter: "Expected { after '{{name}}'.",
+      missingCurlyAfterCondition: "Expected { after '{{name}}' condition.",
+      unexpectedCurlyAfter: "Unnecessary { after '{{name}}'.",
+      unexpectedCurlyAfterCondition: "Unnecessary { after '{{name}}' condition."
+    }
+  },
+
+  create(context) {
+    const multiOnly = context.options[0] === "multi";
+    const multiLine = context.options[0] === "multi-line";
+    const multiOrNest = context.options[0] === "multi-or-nest";
+    const consistent = context.options[1] === "consistent";
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Determines if a given node is a one-liner that's on the same line as it's preceding code.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} True if the node is a one-liner that's on the same line as it's preceding code.
+     * @private
+     */
+
+    function isCollapsedOneLiner(node) {
+      const before = sourceCode.getTokenBefore(node);
+      const last = sourceCode.getLastToken(node);
+      const lastExcludingSemicolon = astUtils.isSemicolonToken(last) ? sourceCode.getTokenBefore(last) : last;
+      return before.loc.start.line === lastExcludingSemicolon.loc.end.line;
+    }
+    /**
+     * Determines if a given node is a one-liner.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} True if the node is a one-liner.
+     * @private
+     */
+
+
+    function isOneLiner(node) {
+      if (node.type === "EmptyStatement") {
+        return true;
+      }
+
+      const first = sourceCode.getFirstToken(node);
+      const last = sourceCode.getLastToken(node);
+      const lastExcludingSemicolon = astUtils.isSemicolonToken(last) ? sourceCode.getTokenBefore(last) : last;
+      return first.loc.start.line === lastExcludingSemicolon.loc.end.line;
+    }
+    /**
+     * Determines if the given node is a lexical declaration (let, const, function, or class)
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} True if the node is a lexical declaration
+     * @private
+     */
+
+
+    function isLexicalDeclaration(node) {
+      if (node.type === "VariableDeclaration") {
+        return node.kind === "const" || node.kind === "let";
+      }
+
+      return node.type === "FunctionDeclaration" || node.type === "ClassDeclaration";
+    }
+    /**
+     * Checks if the given token is an `else` token or not.
+     * @param {Token} token The token to check.
+     * @returns {boolean} `true` if the token is an `else` token.
+     */
+
+
+    function isElseKeywordToken(token) {
+      return token.value === "else" && token.type === "Keyword";
+    }
+    /**
+     * Gets the `else` keyword token of a given `IfStatement` node.
+     * @param {ASTNode} node A `IfStatement` node to get.
+     * @returns {Token} The `else` keyword token.
+     */
+
+
+    function getElseKeyword(node) {
+      return node.alternate && sourceCode.getFirstTokenBetween(node.consequent, node.alternate, isElseKeywordToken);
+    }
+    /**
+     * Determines whether the given node has an `else` keyword token as the first token after.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if the node is followed by an `else` keyword token.
+     */
+
+
+    function isFollowedByElseKeyword(node) {
+      const nextToken = sourceCode.getTokenAfter(node);
+      return Boolean(nextToken) && isElseKeywordToken(nextToken);
+    }
+    /**
+     * Determines if a semicolon needs to be inserted after removing a set of curly brackets, in order to avoid a SyntaxError.
+     * @param {Token} closingBracket The } token
+     * @returns {boolean} `true` if a semicolon needs to be inserted after the last statement in the block.
+     */
+
+
+    function needsSemicolon(closingBracket) {
+      const tokenBefore = sourceCode.getTokenBefore(closingBracket);
+      const tokenAfter = sourceCode.getTokenAfter(closingBracket);
+      const lastBlockNode = sourceCode.getNodeByRangeIndex(tokenBefore.range[0]);
+
+      if (astUtils.isSemicolonToken(tokenBefore)) {
+        // If the last statement already has a semicolon, don't add another one.
+        return false;
+      }
+
+      if (!tokenAfter) {
+        // If there are no statements after this block, there is no need to add a semicolon.
+        return false;
+      }
+
+      if (lastBlockNode.type === "BlockStatement" && lastBlockNode.parent.type !== "FunctionExpression" && lastBlockNode.parent.type !== "ArrowFunctionExpression") {
+        /*
+         * If the last node surrounded by curly brackets is a BlockStatement (other than a FunctionExpression or an ArrowFunctionExpression),
+         * don't insert a semicolon. Otherwise, the semicolon would be parsed as a separate statement, which would cause
+         * a SyntaxError if it was followed by `else`.
+         */
+        return false;
+      }
+
+      if (tokenBefore.loc.end.line === tokenAfter.loc.start.line) {
+        // If the next token is on the same line, insert a semicolon.
+        return true;
+      }
+
+      if (/^[([/`+-]/u.test(tokenAfter.value)) {
+        // If the next token starts with a character that would disrupt ASI, insert a semicolon.
+        return true;
+      }
+
+      if (tokenBefore.type === "Punctuator" && (tokenBefore.value === "++" || tokenBefore.value === "--")) {
+        // If the last token is ++ or --, insert a semicolon to avoid disrupting ASI.
+        return true;
+      } // Otherwise, do not insert a semicolon.
+
+
+      return false;
+    }
+    /**
+     * Determines whether the code represented by the given node contains an `if` statement
+     * that would become associated with an `else` keyword directly appended to that code.
+     *
+     * Examples where it returns `true`:
+     *
+     *    if (a)
+     *        foo();
+     *
+     *    if (a) {
+     *        foo();
+     *    }
+     *
+     *    if (a)
+     *        foo();
+     *    else if (b)
+     *        bar();
+     *
+     *    while (a)
+     *        if (b)
+     *            if(c)
+     *                foo();
+     *            else
+     *                bar();
+     *
+     * Examples where it returns `false`:
+     *
+     *    if (a)
+     *        foo();
+     *    else
+     *        bar();
+     *
+     *    while (a) {
+     *        if (b)
+     *            if(c)
+     *                foo();
+     *            else
+     *                bar();
+     *    }
+     *
+     *    while (a)
+     *        if (b) {
+     *            if(c)
+     *                foo();
+     *        }
+     *        else
+     *            bar();
+     * @param {ASTNode} node Node representing the code to check.
+     * @returns {boolean} `true` if an `if` statement within the code would become associated with an `else` appended to that code.
+     */
+
+
+    function hasUnsafeIf(node) {
+      switch (node.type) {
+        case "IfStatement":
+          if (!node.alternate) {
+            return true;
+          }
+
+          return hasUnsafeIf(node.alternate);
+
+        case "ForStatement":
+        case "ForInStatement":
+        case "ForOfStatement":
+        case "LabeledStatement":
+        case "WithStatement":
+        case "WhileStatement":
+          return hasUnsafeIf(node.body);
+
+        default:
+          return false;
+      }
+    }
+    /**
+     * Determines whether the existing curly braces around the single statement are necessary to preserve the semantics of the code.
+     * The braces, which make the given block body, are necessary in either of the following situations:
+     *
+     * 1. The statement is a lexical declaration.
+     * 2. Without the braces, an `if` within the statement would become associated with an `else` after the closing brace:
+     *
+     *     if (a) {
+     *         if (b)
+     *             foo();
+     *     }
+     *     else
+     *         bar();
+     *
+     *     if (a)
+     *         while (b)
+     *             while (c) {
+     *                 while (d)
+     *                     if (e)
+     *                         while(f)
+     *                             foo();
+     *            }
+     *     else
+     *         bar();
+     * @param {ASTNode} node `BlockStatement` body with exactly one statement directly inside. The statement can have its own nested statements.
+     * @returns {boolean} `true` if the braces are necessary - removing them (replacing the given `BlockStatement` body with its single statement content)
+     * would change the semantics of the code or produce a syntax error.
+     */
+
+
+    function areBracesNecessary(node) {
+      const statement = node.body[0];
+      return isLexicalDeclaration(statement) || hasUnsafeIf(statement) && isFollowedByElseKeyword(node);
+    }
+    /**
+     * Prepares to check the body of a node to see if it's a block statement.
+     * @param {ASTNode} node The node to report if there's a problem.
+     * @param {ASTNode} body The body node to check for blocks.
+     * @param {string} name The name to report if there's a problem.
+     * @param {{ condition: boolean }} opts Options to pass to the report functions
+     * @returns {Object} a prepared check object, with "actual", "expected", "check" properties.
+     *   "actual" will be `true` or `false` whether the body is already a block statement.
+     *   "expected" will be `true` or `false` if the body should be a block statement or not, or
+     *   `null` if it doesn't matter, depending on the rule options. It can be modified to change
+     *   the final behavior of "check".
+     *   "check" will be a function reporting appropriate problems depending on the other
+     *   properties.
+     */
+
+
+    function prepareCheck(node, body, name, opts) {
+      const hasBlock = body.type === "BlockStatement";
+      let expected = null;
+
+      if (hasBlock && (body.body.length !== 1 || areBracesNecessary(body))) {
+        expected = true;
+      } else if (multiOnly) {
+        expected = false;
+      } else if (multiLine) {
+        if (!isCollapsedOneLiner(body)) {
+          expected = true;
+        } // otherwise, the body is allowed to have braces or not to have braces
+
+      } else if (multiOrNest) {
+        if (hasBlock) {
+          const statement = body.body[0];
+          const leadingCommentsInBlock = sourceCode.getCommentsBefore(statement);
+          expected = !isOneLiner(statement) || leadingCommentsInBlock.length > 0;
+        } else {
+          expected = !isOneLiner(body);
+        }
+      } else {
+        // default "all"
+        expected = true;
+      }
+
+      return {
+        actual: hasBlock,
+        expected,
+
+        check() {
+          if (this.expected !== null && this.expected !== this.actual) {
+            if (this.expected) {
+              context.report({
+                node,
+                loc: (name !== "else" ? node : getElseKeyword(node)).loc.start,
+                messageId: opts && opts.condition ? "missingCurlyAfterCondition" : "missingCurlyAfter",
+                data: {
+                  name
+                },
+                fix: fixer => fixer.replaceText(body, "{".concat(sourceCode.getText(body), "}"))
+              });
+            } else {
+              context.report({
+                node,
+                loc: (name !== "else" ? node : getElseKeyword(node)).loc.start,
+                messageId: opts && opts.condition ? "unexpectedCurlyAfterCondition" : "unexpectedCurlyAfter",
+                data: {
+                  name
+                },
+
+                fix(fixer) {
+                  /*
+                   * `do while` expressions sometimes need a space to be inserted after `do`.
+                   * e.g. `do{foo()} while (bar)` should be corrected to `do foo() while (bar)`
+                   */
+                  const needsPrecedingSpace = node.type === "DoWhileStatement" && sourceCode.getTokenBefore(body).range[1] === body.range[0] && !astUtils.canTokensBeAdjacent("do", sourceCode.getFirstToken(body, {
+                    skip: 1
+                  }));
+                  const openingBracket = sourceCode.getFirstToken(body);
+                  const closingBracket = sourceCode.getLastToken(body);
+                  const lastTokenInBlock = sourceCode.getTokenBefore(closingBracket);
+
+                  if (needsSemicolon(closingBracket)) {
+                    /*
+                     * If removing braces would cause a SyntaxError due to multiple statements on the same line (or
+                     * change the semantics of the code due to ASI), don't perform a fix.
+                     */
+                    return null;
+                  }
+
+                  const resultingBodyText = sourceCode.getText().slice(openingBracket.range[1], lastTokenInBlock.range[0]) + sourceCode.getText(lastTokenInBlock) + sourceCode.getText().slice(lastTokenInBlock.range[1], closingBracket.range[0]);
+                  return fixer.replaceText(body, (needsPrecedingSpace ? " " : "") + resultingBodyText);
+                }
+
+              });
+            }
+          }
+        }
+
+      };
+    }
+    /**
+     * Prepares to check the bodies of a "if", "else if" and "else" chain.
+     * @param {ASTNode} node The first IfStatement node of the chain.
+     * @returns {Object[]} prepared checks for each body of the chain. See `prepareCheck` for more
+     *   information.
+     */
+
+
+    function prepareIfChecks(node) {
+      const preparedChecks = [];
+
+      for (let currentNode = node; currentNode; currentNode = currentNode.alternate) {
+        preparedChecks.push(prepareCheck(currentNode, currentNode.consequent, "if", {
+          condition: true
+        }));
+
+        if (currentNode.alternate && currentNode.alternate.type !== "IfStatement") {
+          preparedChecks.push(prepareCheck(currentNode, currentNode.alternate, "else"));
+          break;
+        }
+      }
+
+      if (consistent) {
+        /*
+         * If any node should have or already have braces, make sure they
+         * all have braces.
+         * If all nodes shouldn't have braces, make sure they don't.
+         */
+        const expected = preparedChecks.some(preparedCheck => {
+          if (preparedCheck.expected !== null) {
+            return preparedCheck.expected;
+          }
+
+          return preparedCheck.actual;
+        });
+        preparedChecks.forEach(preparedCheck => {
+          preparedCheck.expected = expected;
+        });
+      }
+
+      return preparedChecks;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      IfStatement(node) {
+        if (node.parent.type !== "IfStatement") {
+          prepareIfChecks(node).forEach(preparedCheck => {
+            preparedCheck.check();
+          });
+        }
+      },
+
+      WhileStatement(node) {
+        prepareCheck(node, node.body, "while", {
+          condition: true
+        }).check();
+      },
+
+      DoWhileStatement(node) {
+        prepareCheck(node, node.body, "do").check();
+      },
+
+      ForStatement(node) {
+        prepareCheck(node, node.body, "for", {
+          condition: true
+        }).check();
+      },
+
+      ForInStatement(node) {
+        prepareCheck(node, node.body, "for-in").check();
+      },
+
+      ForOfStatement(node) {
+        prepareCheck(node, node.body, "for-of").check();
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 455 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview require default case in switch statements
+ * @author Aliaksei Shytkin
+ */
+
+
+const DEFAULT_COMMENT_PATTERN = /^no default$/iu; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `default` cases in `switch` statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/default-case"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        commentPattern: {
+          type: "string"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingDefaultCase: "Expected a default case."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const commentPattern = options.commentPattern ? new RegExp(options.commentPattern, "u") : DEFAULT_COMMENT_PATTERN;
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Shortcut to get last element of array
+     * @param  {*[]} collection Array
+     * @returns {*} Last element
+     */
+
+    function last(collection) {
+      return collection[collection.length - 1];
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      SwitchStatement(node) {
+        if (!node.cases.length) {
+          /*
+           * skip check of empty switch because there is no easy way
+           * to extract comments inside it now
+           */
+          return;
+        }
+
+        const hasDefault = node.cases.some(v => v.test === null);
+
+        if (!hasDefault) {
+          let comment;
+          const lastCase = last(node.cases);
+          const comments = sourceCode.getCommentsAfter(lastCase);
+
+          if (comments.length) {
+            comment = last(comments);
+          }
+
+          if (!comment || !commentPattern.test(comment.value.trim())) {
+            context.report({
+              node,
+              messageId: "missingDefaultCase"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 456 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce default clauses in switch statements to be last
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce default clauses in switch statements to be last",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/default-case-last"
+    },
+    schema: [],
+    messages: {
+      notLast: "Default clause should be the last clause."
+    }
+  },
+
+  create(context) {
+    return {
+      SwitchStatement(node) {
+        const cases = node.cases,
+              indexOfDefault = cases.findIndex(c => c.test === null);
+
+        if (indexOfDefault !== -1 && indexOfDefault !== cases.length - 1) {
+          const defaultClause = cases[indexOfDefault];
+          context.report({
+            node: defaultClause,
+            messageId: "notLast"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 457 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce default parameters to be last
+ * @author Chiawen Chen
+ */
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce default parameters to be last",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/default-param-last"
+    },
+    schema: [],
+    messages: {
+      shouldBeLast: "Default parameters should be last."
+    }
+  },
+
+  create(context) {
+    // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {ASTNode} node function node
+     * @returns {void}
+     */
+    function handleFunction(node) {
+      let hasSeenPlainParam = false;
+
+      for (let i = node.params.length - 1; i >= 0; i -= 1) {
+        const param = node.params[i];
+
+        if (param.type !== "AssignmentPattern" && param.type !== "RestElement") {
+          hasSeenPlainParam = true;
+          continue;
+        }
+
+        if (hasSeenPlainParam && param.type === "AssignmentPattern") {
+          context.report({
+            node: param,
+            messageId: "shouldBeLast"
+          });
+        }
+      }
+    }
+
+    return {
+      FunctionDeclaration: handleFunction,
+      FunctionExpression: handleFunction,
+      ArrowFunctionExpression: handleFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 458 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Validates newlines before and after dots
+ * @author Greg Cochard
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent newlines before and after dots",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/dot-location"
+    },
+    schema: [{
+      enum: ["object", "property"]
+    }],
+    fixable: "code",
+    messages: {
+      expectedDotAfterObject: "Expected dot to be on same line as object.",
+      expectedDotBeforeProperty: "Expected dot to be on same line as property."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0]; // default to onObject if no preference is passed
+
+    const onObject = config === "object" || !config;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports if the dot between object and property is on the correct loccation.
+     * @param {ASTNode} node The `MemberExpression` node.
+     * @returns {void}
+     */
+
+    function checkDotLocation(node) {
+      const property = node.property;
+      const dot = sourceCode.getTokenBefore(property); // `obj` expression can be parenthesized, but those paren tokens are not a part of the `obj` node.
+
+      const tokenBeforeDot = sourceCode.getTokenBefore(dot);
+      const textBeforeDot = sourceCode.getText().slice(tokenBeforeDot.range[1], dot.range[0]);
+      const textAfterDot = sourceCode.getText().slice(dot.range[1], property.range[0]);
+
+      if (onObject) {
+        if (!astUtils.isTokenOnSameLine(tokenBeforeDot, dot)) {
+          const neededTextAfterToken = astUtils.isDecimalIntegerNumericToken(tokenBeforeDot) ? " " : "";
+          context.report({
+            node,
+            loc: dot.loc,
+            messageId: "expectedDotAfterObject",
+            fix: fixer => fixer.replaceTextRange([tokenBeforeDot.range[1], property.range[0]], "".concat(neededTextAfterToken, ".").concat(textBeforeDot).concat(textAfterDot))
+          });
+        }
+      } else if (!astUtils.isTokenOnSameLine(dot, property)) {
+        context.report({
+          node,
+          loc: dot.loc,
+          messageId: "expectedDotBeforeProperty",
+          fix: fixer => fixer.replaceTextRange([tokenBeforeDot.range[1], property.range[0]], "".concat(textBeforeDot).concat(textAfterDot, "."))
+        });
+      }
+    }
+    /**
+     * Checks the spacing of the dot within a member expression.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkNode(node) {
+      if (!node.computed) {
+        checkDotLocation(node);
+      }
+    }
+
+    return {
+      MemberExpression: checkNode
+    };
+  }
+
+};
+
+/***/ }),
+/* 459 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to warn about using dot notation instead of square bracket notation when possible.
+ * @author Josh Perez
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const keywords = __webpack_require__(460); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+const validIdentifier = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/u; // `null` literal must be handled separately.
+
+const literalTypesToCheck = new Set(["string", "boolean"]);
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce dot notation whenever possible",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/dot-notation"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowKeywords: {
+          type: "boolean",
+          default: true
+        },
+        allowPattern: {
+          type: "string",
+          default: ""
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      useDot: "[{{key}}] is better written in dot notation.",
+      useBrackets: ".{{key}} is a syntax error."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const allowKeywords = options.allowKeywords === void 0 || options.allowKeywords;
+    const sourceCode = context.getSourceCode();
+    let allowPattern;
+
+    if (options.allowPattern) {
+      allowPattern = new RegExp(options.allowPattern, "u");
+    }
+    /**
+     * Check if the property is valid dot notation
+     * @param {ASTNode} node The dot notation node
+     * @param {string} value Value which is to be checked
+     * @returns {void}
+     */
+
+
+    function checkComputedProperty(node, value) {
+      if (validIdentifier.test(value) && (allowKeywords || keywords.indexOf(String(value)) === -1) && !(allowPattern && allowPattern.test(value))) {
+        const formattedValue = node.property.type === "Literal" ? JSON.stringify(value) : "`".concat(value, "`");
+        context.report({
+          node: node.property,
+          messageId: "useDot",
+          data: {
+            key: formattedValue
+          },
+
+          fix(fixer) {
+            const leftBracket = sourceCode.getTokenAfter(node.object, astUtils.isOpeningBracketToken);
+            const rightBracket = sourceCode.getLastToken(node);
+
+            if (sourceCode.getFirstTokenBetween(leftBracket, rightBracket, {
+              includeComments: true,
+              filter: astUtils.isCommentToken
+            })) {
+              // Don't perform any fixes if there are comments inside the brackets.
+              return null;
+            }
+
+            const tokenAfterProperty = sourceCode.getTokenAfter(rightBracket);
+            const needsSpaceAfterProperty = tokenAfterProperty && rightBracket.range[1] === tokenAfterProperty.range[0] && !astUtils.canTokensBeAdjacent(String(value), tokenAfterProperty);
+            const textBeforeDot = astUtils.isDecimalInteger(node.object) ? " " : "";
+            const textAfterProperty = needsSpaceAfterProperty ? " " : "";
+            return fixer.replaceTextRange([leftBracket.range[0], rightBracket.range[1]], "".concat(textBeforeDot, ".").concat(value).concat(textAfterProperty));
+          }
+
+        });
+      }
+    }
+
+    return {
+      MemberExpression(node) {
+        if (node.computed && node.property.type === "Literal" && (literalTypesToCheck.has(typeof node.property.value) || astUtils.isNullLiteral(node.property))) {
+          checkComputedProperty(node, node.property.value);
+        }
+
+        if (node.computed && node.property.type === "TemplateLiteral" && node.property.expressions.length === 0) {
+          checkComputedProperty(node, node.property.quasis[0].value.cooked);
+        }
+
+        if (!allowKeywords && !node.computed && keywords.indexOf(String(node.property.name)) !== -1) {
+          context.report({
+            node: node.property,
+            messageId: "useBrackets",
+            data: {
+              key: node.property.name
+            },
+
+            fix(fixer) {
+              const dot = sourceCode.getTokenBefore(node.property);
+              const textAfterDot = sourceCode.text.slice(dot.range[1], node.property.range[0]);
+
+              if (textAfterDot.trim()) {
+                // Don't perform any fixes if there are comments between the dot and the property name.
+                return null;
+              }
+
+              if (node.object.type === "Identifier" && node.object.name === "let") {
+                /*
+                 * A statement that starts with `let[` is parsed as a destructuring variable declaration, not
+                 * a MemberExpression.
+                 */
+                return null;
+              }
+
+              return fixer.replaceTextRange([dot.range[0], node.property.range[1]], "[".concat(textAfterDot, "\"").concat(node.property.name, "\"]"));
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 460 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A shared list of ES3 keywords.
+ * @author Josh Perez
+ */
+
+
+module.exports = ["abstract", "boolean", "break", "byte", "case", "catch", "char", "class", "const", "continue", "debugger", "default", "delete", "do", "double", "else", "enum", "export", "extends", "false", "final", "finally", "float", "for", "function", "goto", "if", "implements", "import", "in", "instanceof", "int", "interface", "long", "native", "new", "null", "package", "private", "protected", "public", "return", "short", "static", "super", "switch", "synchronized", "this", "throw", "throws", "transient", "true", "try", "typeof", "var", "void", "volatile", "while", "with"];
+
+/***/ }),
+/* 461 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Require or disallow newline at the end of files
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow newline at the end of files",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/eol-last"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never", "unix", "windows"]
+    }],
+    messages: {
+      missing: "Newline required at end of file but not found.",
+      unexpected: "Newline not allowed at end of file."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+    return {
+      Program: function checkBadEOF(node) {
+        const sourceCode = context.getSourceCode(),
+              src = sourceCode.getText(),
+              location = {
+          column: lodash.last(sourceCode.lines).length,
+          line: sourceCode.lines.length
+        },
+              LF = "\n",
+              CRLF = "\r".concat(LF),
+              endsWithNewline = lodash.endsWith(src, LF);
+        /*
+         * Empty source is always valid: No content in file so we don't
+         * need to lint for a newline on the last line of content.
+         */
+
+        if (!src.length) {
+          return;
+        }
+
+        let mode = context.options[0] || "always",
+            appendCRLF = false;
+
+        if (mode === "unix") {
+          // `"unix"` should behave exactly as `"always"`
+          mode = "always";
+        }
+
+        if (mode === "windows") {
+          // `"windows"` should behave exactly as `"always"`, but append CRLF in the fixer for backwards compatibility
+          mode = "always";
+          appendCRLF = true;
+        }
+
+        if (mode === "always" && !endsWithNewline) {
+          // File is not newline-terminated, but should be
+          context.report({
+            node,
+            loc: location,
+            messageId: "missing",
+
+            fix(fixer) {
+              return fixer.insertTextAfterRange([0, src.length], appendCRLF ? CRLF : LF);
+            }
+
+          });
+        } else if (mode === "never" && endsWithNewline) {
+          // File is newline-terminated, but shouldn't be
+          context.report({
+            node,
+            loc: location,
+            messageId: "unexpected",
+
+            fix(fixer) {
+              const finalEOLs = /(?:\r?\n)+$/u,
+                    match = finalEOLs.exec(sourceCode.text),
+                    start = match.index,
+                    end = sourceCode.text.length;
+              return fixer.replaceTextRange([start, end], "");
+            }
+
+          });
+        }
+      }
+    };
+  }
+
+};
+
+/***/ }),
+/* 462 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag statements that use != and == instead of !== and ===
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require the use of `===` and `!==`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/eqeqeq"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always"]
+        }, {
+          type: "object",
+          properties: {
+            null: {
+              enum: ["always", "never", "ignore"]
+            }
+          },
+          additionalProperties: false
+        }],
+        additionalItems: false
+      }, {
+        type: "array",
+        items: [{
+          enum: ["smart", "allow-null"]
+        }],
+        additionalItems: false
+      }]
+    },
+    fixable: "code",
+    messages: {
+      unexpected: "Expected '{{expectedOperator}}' and instead saw '{{actualOperator}}'."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || "always";
+    const options = context.options[1] || {};
+    const sourceCode = context.getSourceCode();
+    const nullOption = config === "always" ? options.null || "always" : "ignore";
+    const enforceRuleForNull = nullOption === "always";
+    const enforceInverseRuleForNull = nullOption === "never";
+    /**
+     * Checks if an expression is a typeof expression
+     * @param  {ASTNode} node The node to check
+     * @returns {boolean} if the node is a typeof expression
+     */
+
+    function isTypeOf(node) {
+      return node.type === "UnaryExpression" && node.operator === "typeof";
+    }
+    /**
+     * Checks if either operand of a binary expression is a typeof operation
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} if one of the operands is typeof
+     * @private
+     */
+
+
+    function isTypeOfBinary(node) {
+      return isTypeOf(node.left) || isTypeOf(node.right);
+    }
+    /**
+     * Checks if operands are literals of the same type (via typeof)
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} if operands are of same type
+     * @private
+     */
+
+
+    function areLiteralsAndSameType(node) {
+      return node.left.type === "Literal" && node.right.type === "Literal" && typeof node.left.value === typeof node.right.value;
+    }
+    /**
+     * Checks if one of the operands is a literal null
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} if operands are null
+     * @private
+     */
+
+
+    function isNullCheck(node) {
+      return astUtils.isNullLiteral(node.right) || astUtils.isNullLiteral(node.left);
+    }
+    /**
+     * Reports a message for this rule.
+     * @param {ASTNode} node The binary expression node that was checked
+     * @param {string} expectedOperator The operator that was expected (either '==', '!=', '===', or '!==')
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(node, expectedOperator) {
+      const operatorToken = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+      context.report({
+        node,
+        loc: operatorToken.loc,
+        messageId: "unexpected",
+        data: {
+          expectedOperator,
+          actualOperator: node.operator
+        },
+
+        fix(fixer) {
+          // If the comparison is a `typeof` comparison or both sides are literals with the same type, then it's safe to fix.
+          if (isTypeOfBinary(node) || areLiteralsAndSameType(node)) {
+            return fixer.replaceText(operatorToken, expectedOperator);
+          }
+
+          return null;
+        }
+
+      });
+    }
+
+    return {
+      BinaryExpression(node) {
+        const isNull = isNullCheck(node);
+
+        if (node.operator !== "==" && node.operator !== "!=") {
+          if (enforceInverseRuleForNull && isNull) {
+            report(node, node.operator.slice(0, -1));
+          }
+
+          return;
+        }
+
+        if (config === "smart" && (isTypeOfBinary(node) || areLiteralsAndSameType(node) || isNull)) {
+          return;
+        }
+
+        if (!enforceRuleForNull && isNull) {
+          return;
+        }
+
+        report(node, "".concat(node.operator, "="));
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 463 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce "for" loop update clause moving the counter in the right direction.(for-direction)
+ * @author Aladdin-ADD<hh_2013@foxmail.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "enforce \"for\" loop update clause moving the counter in the right direction.",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/for-direction"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      incorrectDirection: "The update clause in this loop moves the variable in the wrong direction."
+    }
+  },
+
+  create(context) {
+    /**
+     * report an error.
+     * @param {ASTNode} node the node to report.
+     * @returns {void}
+     */
+    function report(node) {
+      context.report({
+        node,
+        messageId: "incorrectDirection"
+      });
+    }
+    /**
+     * check the right side of the assignment
+     * @param {ASTNode} update UpdateExpression to check
+     * @param {int} dir expected direction that could either be turned around or invalidated
+     * @returns {int} return dir, the negated dir or zero if it's not clear for identifiers
+     */
+
+
+    function getRightDirection(update, dir) {
+      if (update.right.type === "UnaryExpression") {
+        if (update.right.operator === "-") {
+          return -dir;
+        }
+      } else if (update.right.type === "Identifier") {
+        return 0;
+      }
+
+      return dir;
+    }
+    /**
+     * check UpdateExpression add/sub the counter
+     * @param {ASTNode} update UpdateExpression to check
+     * @param {string} counter variable name to check
+     * @returns {int} if add return 1, if sub return -1, if nochange, return 0
+     */
+
+
+    function getUpdateDirection(update, counter) {
+      if (update.argument.type === "Identifier" && update.argument.name === counter) {
+        if (update.operator === "++") {
+          return 1;
+        }
+
+        if (update.operator === "--") {
+          return -1;
+        }
+      }
+
+      return 0;
+    }
+    /**
+     * check AssignmentExpression add/sub the counter
+     * @param {ASTNode} update AssignmentExpression to check
+     * @param {string} counter variable name to check
+     * @returns {int} if add return 1, if sub return -1, if nochange, return 0
+     */
+
+
+    function getAssignmentDirection(update, counter) {
+      if (update.left.name === counter) {
+        if (update.operator === "+=") {
+          return getRightDirection(update, 1);
+        }
+
+        if (update.operator === "-=") {
+          return getRightDirection(update, -1);
+        }
+      }
+
+      return 0;
+    }
+
+    return {
+      ForStatement(node) {
+        if (node.test && node.test.type === "BinaryExpression" && node.test.left.type === "Identifier" && node.update) {
+          const counter = node.test.left.name;
+          const operator = node.test.operator;
+          const update = node.update;
+          let wrongDirection;
+
+          if (operator === "<" || operator === "<=") {
+            wrongDirection = -1;
+          } else if (operator === ">" || operator === ">=") {
+            wrongDirection = 1;
+          } else {
+            return;
+          }
+
+          if (update.type === "UpdateExpression") {
+            if (getUpdateDirection(update, counter) === wrongDirection) {
+              report(node);
+            }
+          } else if (update.type === "AssignmentExpression" && getAssignmentDirection(update, counter) === wrongDirection) {
+            report(node);
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 464 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to control spacing within function calls
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow spacing between function identifiers and their invocations",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/func-call-spacing"
+    },
+    fixable: "whitespace",
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["never"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["always"]
+        }, {
+          type: "object",
+          properties: {
+            allowNewlines: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    messages: {
+      unexpected: "Unexpected newline between function name and paren.",
+      missing: "Missing space between function name and paren."
+    }
+  },
+
+  create(context) {
+    const never = context.options[0] !== "always";
+    const allowNewlines = !never && context.options[1] && context.options[1].allowNewlines;
+    const sourceCode = context.getSourceCode();
+    const text = sourceCode.getText();
+    /**
+     * Check if open space is present in a function name
+     * @param {ASTNode} node node to evaluate
+     * @param {Token} leftToken The last token of the callee. This may be the closing parenthesis that encloses the callee.
+     * @param {Token} rightToken Tha first token of the arguments. this is the opening parenthesis that encloses the arguments.
+     * @returns {void}
+     * @private
+     */
+
+    function checkSpacing(node, leftToken, rightToken) {
+      const textBetweenTokens = text.slice(leftToken.range[1], rightToken.range[0]).replace(/\/\*.*?\*\//gu, "");
+      const hasWhitespace = /\s/u.test(textBetweenTokens);
+      const hasNewline = hasWhitespace && astUtils.LINEBREAK_MATCHER.test(textBetweenTokens);
+      /*
+       * never allowNewlines hasWhitespace hasNewline message
+       * F     F             F             F          Missing space between function name and paren.
+       * F     F             F             T          (Invalid `!hasWhitespace && hasNewline`)
+       * F     F             T             T          Unexpected newline between function name and paren.
+       * F     F             T             F          (OK)
+       * F     T             T             F          (OK)
+       * F     T             T             T          (OK)
+       * F     T             F             T          (Invalid `!hasWhitespace && hasNewline`)
+       * F     T             F             F          Missing space between function name and paren.
+       * T     T             F             F          (Invalid `never && allowNewlines`)
+       * T     T             F             T          (Invalid `!hasWhitespace && hasNewline`)
+       * T     T             T             T          (Invalid `never && allowNewlines`)
+       * T     T             T             F          (Invalid `never && allowNewlines`)
+       * T     F             T             F          Unexpected space between function name and paren.
+       * T     F             T             T          Unexpected space between function name and paren.
+       * T     F             F             T          (Invalid `!hasWhitespace && hasNewline`)
+       * T     F             F             F          (OK)
+       *
+       * T                   T                        Unexpected space between function name and paren.
+       * F                   F                        Missing space between function name and paren.
+       * F     F                           T          Unexpected newline between function name and paren.
+       */
+
+      if (never && hasWhitespace) {
+        context.report({
+          node,
+          loc: leftToken.loc.start,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            /*
+             * Only autofix if there is no newline
+             * https://github.com/eslint/eslint/issues/7787
+             */
+            if (!hasNewline) {
+              return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+            }
+
+            return null;
+          }
+
+        });
+      } else if (!never && !hasWhitespace) {
+        context.report({
+          node,
+          loc: leftToken.loc.start,
+          messageId: "missing",
+
+          fix(fixer) {
+            return fixer.insertTextBefore(rightToken, " ");
+          }
+
+        });
+      } else if (!never && !allowNewlines && hasNewline) {
+        context.report({
+          node,
+          loc: leftToken.loc.start,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], " ");
+          }
+
+        });
+      }
+    }
+
+    return {
+      "CallExpression, NewExpression"(node) {
+        const lastToken = sourceCode.getLastToken(node);
+        const lastCalleeToken = sourceCode.getLastToken(node.callee);
+        const parenToken = sourceCode.getFirstTokenBetween(lastCalleeToken, lastToken, astUtils.isOpeningParenToken);
+        const prevToken = parenToken && sourceCode.getTokenBefore(parenToken); // Parens in NewExpression are optional
+
+        if (!(parenToken && parenToken.range[1] < node.range[1])) {
+          return;
+        }
+
+        checkSpacing(node, prevToken, parenToken);
+      },
+
+      ImportExpression(node) {
+        const leftToken = sourceCode.getFirstToken(node);
+        const rightToken = sourceCode.getTokenAfter(leftToken);
+        checkSpacing(node, leftToken, rightToken);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 465 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require function names to match the name of the variable or property to which they are assigned.
+ * @author Annie Zhang, Pavel Strashkin
+ */
+ //--------------------------------------------------------------------------
+// Requirements
+//--------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const esutils = __webpack_require__(427); //--------------------------------------------------------------------------
+// Helpers
+//--------------------------------------------------------------------------
+
+/**
+ * Determines if a pattern is `module.exports` or `module["exports"]`
+ * @param {ASTNode} pattern The left side of the AssignmentExpression
+ * @returns {boolean} True if the pattern is `module.exports` or `module["exports"]`
+ */
+
+
+function isModuleExports(pattern) {
+  if (pattern.type === "MemberExpression" && pattern.object.type === "Identifier" && pattern.object.name === "module") {
+    // module.exports
+    if (pattern.property.type === "Identifier" && pattern.property.name === "exports") {
+      return true;
+    } // module["exports"]
+
+
+    if (pattern.property.type === "Literal" && pattern.property.value === "exports") {
+      return true;
+    }
+  }
+
+  return false;
+}
+/**
+ * Determines if a string name is a valid identifier
+ * @param {string} name The string to be checked
+ * @param {int} ecmaVersion The ECMAScript version if specified in the parserOptions config
+ * @returns {boolean} True if the string is a valid identifier
+ */
+
+
+function isIdentifier(name, ecmaVersion) {
+  if (ecmaVersion >= 6) {
+    return esutils.keyword.isIdentifierES6(name);
+  }
+
+  return esutils.keyword.isIdentifierES5(name);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+const alwaysOrNever = {
+  enum: ["always", "never"]
+};
+const optionsObject = {
+  type: "object",
+  properties: {
+    considerPropertyDescriptor: {
+      type: "boolean"
+    },
+    includeCommonJSModuleExports: {
+      type: "boolean"
+    }
+  },
+  additionalProperties: false
+};
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require function names to match the name of the variable or property to which they are assigned",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/func-name-matching"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        additionalItems: false,
+        items: [alwaysOrNever, optionsObject]
+      }, {
+        type: "array",
+        additionalItems: false,
+        items: [optionsObject]
+      }]
+    },
+    messages: {
+      matchProperty: "Function name `{{funcName}}` should match property name `{{name}}`.",
+      matchVariable: "Function name `{{funcName}}` should match variable name `{{name}}`.",
+      notMatchProperty: "Function name `{{funcName}}` should not match property name `{{name}}`.",
+      notMatchVariable: "Function name `{{funcName}}` should not match variable name `{{name}}`."
+    }
+  },
+
+  create(context) {
+    const options = (typeof context.options[0] === "object" ? context.options[0] : context.options[1]) || {};
+    const nameMatches = typeof context.options[0] === "string" ? context.options[0] : "always";
+    const considerPropertyDescriptor = options.considerPropertyDescriptor;
+    const includeModuleExports = options.includeCommonJSModuleExports;
+    const ecmaVersion = context.parserOptions && context.parserOptions.ecmaVersion ? context.parserOptions.ecmaVersion : 5;
+    /**
+     * Check whether node is a certain CallExpression.
+     * @param {string} objName object name
+     * @param {string} funcName function name
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} `true` if node matches CallExpression
+     */
+
+    function isPropertyCall(objName, funcName, node) {
+      if (!node) {
+        return false;
+      }
+
+      return node.type === "CallExpression" && node.callee.type === "MemberExpression" && node.callee.object.name === objName && node.callee.property.name === funcName;
+    }
+    /**
+     * Compares identifiers based on the nameMatches option
+     * @param {string} x the first identifier
+     * @param {string} y the second identifier
+     * @returns {boolean} whether the two identifiers should warn.
+     */
+
+
+    function shouldWarn(x, y) {
+      return nameMatches === "always" && x !== y || nameMatches === "never" && x === y;
+    }
+    /**
+     * Reports
+     * @param {ASTNode} node The node to report
+     * @param {string} name The variable or property name
+     * @param {string} funcName The function name
+     * @param {boolean} isProp True if the reported node is a property assignment
+     * @returns {void}
+     */
+
+
+    function report(node, name, funcName, isProp) {
+      let messageId;
+
+      if (nameMatches === "always" && isProp) {
+        messageId = "matchProperty";
+      } else if (nameMatches === "always") {
+        messageId = "matchVariable";
+      } else if (isProp) {
+        messageId = "notMatchProperty";
+      } else {
+        messageId = "notMatchVariable";
+      }
+
+      context.report({
+        node,
+        messageId,
+        data: {
+          name,
+          funcName
+        }
+      });
+    }
+    /**
+     * Determines whether a given node is a string literal
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} `true` if the node is a string literal
+     */
+
+
+    function isStringLiteral(node) {
+      return node.type === "Literal" && typeof node.value === "string";
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      VariableDeclarator(node) {
+        if (!node.init || node.init.type !== "FunctionExpression" || node.id.type !== "Identifier") {
+          return;
+        }
+
+        if (node.init.id && shouldWarn(node.id.name, node.init.id.name)) {
+          report(node, node.id.name, node.init.id.name, false);
+        }
+      },
+
+      AssignmentExpression(node) {
+        if (node.right.type !== "FunctionExpression" || node.left.computed && node.left.property.type !== "Literal" || !includeModuleExports && isModuleExports(node.left) || node.left.type !== "Identifier" && node.left.type !== "MemberExpression") {
+          return;
+        }
+
+        const isProp = node.left.type === "MemberExpression";
+        const name = isProp ? astUtils.getStaticPropertyName(node.left) : node.left.name;
+
+        if (node.right.id && isIdentifier(name) && shouldWarn(name, node.right.id.name)) {
+          report(node, name, node.right.id.name, isProp);
+        }
+      },
+
+      Property(node) {
+        if (node.value.type !== "FunctionExpression" || !node.value.id || node.computed && !isStringLiteral(node.key)) {
+          return;
+        }
+
+        if (node.key.type === "Identifier") {
+          const functionName = node.value.id.name;
+          let propertyName = node.key.name;
+
+          if (considerPropertyDescriptor && propertyName === "value") {
+            if (isPropertyCall("Object", "defineProperty", node.parent.parent) || isPropertyCall("Reflect", "defineProperty", node.parent.parent)) {
+              const property = node.parent.parent.arguments[1];
+
+              if (isStringLiteral(property) && shouldWarn(property.value, functionName)) {
+                report(node, property.value, functionName, true);
+              }
+            } else if (isPropertyCall("Object", "defineProperties", node.parent.parent.parent.parent)) {
+              propertyName = node.parent.parent.key.name;
+
+              if (!node.parent.parent.computed && shouldWarn(propertyName, functionName)) {
+                report(node, propertyName, functionName, true);
+              }
+            } else if (isPropertyCall("Object", "create", node.parent.parent.parent.parent)) {
+              propertyName = node.parent.parent.key.name;
+
+              if (!node.parent.parent.computed && shouldWarn(propertyName, functionName)) {
+                report(node, propertyName, functionName, true);
+              }
+            } else if (shouldWarn(propertyName, functionName)) {
+              report(node, propertyName, functionName, true);
+            }
+          } else if (shouldWarn(propertyName, functionName)) {
+            report(node, propertyName, functionName, true);
+          }
+
+          return;
+        }
+
+        if (isStringLiteral(node.key) && isIdentifier(node.key.value, ecmaVersion) && shouldWarn(node.key.value, node.value.id.name)) {
+          report(node, node.key.value, node.value.id.name, true);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 466 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to warn when a function expression does not have a name.
+ * @author Kyle T. Nunery
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+/**
+ * Checks whether or not a given variable is a function name.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function name.
+ */
+
+
+function isFunctionName(variable) {
+  return variable && variable.defs[0].type === "FunctionName";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow named `function` expressions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/func-names"
+    },
+    schema: {
+      definitions: {
+        value: {
+          enum: ["always", "as-needed", "never"]
+        }
+      },
+      items: [{
+        $ref: "#/definitions/value"
+      }, {
+        type: "object",
+        properties: {
+          generators: {
+            $ref: "#/definitions/value"
+          }
+        },
+        additionalProperties: false
+      }]
+    },
+    messages: {
+      unnamed: "Unexpected unnamed {{name}}.",
+      named: "Unexpected named {{name}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Returns the config option for the given node.
+     * @param {ASTNode} node A node to get the config for.
+     * @returns {string} The config option.
+     */
+
+    function getConfigForNode(node) {
+      if (node.generator && context.options.length > 1 && context.options[1].generators) {
+        return context.options[1].generators;
+      }
+
+      return context.options[0] || "always";
+    }
+    /**
+     * Determines whether the current FunctionExpression node is a get, set, or
+     * shorthand method in an object literal or a class.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} True if the node is a get, set, or shorthand method.
+     */
+
+
+    function isObjectOrClassMethod(node) {
+      const parent = node.parent;
+      return parent.type === "MethodDefinition" || parent.type === "Property" && (parent.method || parent.kind === "get" || parent.kind === "set");
+    }
+    /**
+     * Determines whether the current FunctionExpression node has a name that would be
+     * inferred from context in a conforming ES6 environment.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} True if the node would have a name assigned automatically.
+     */
+
+
+    function hasInferredName(node) {
+      const parent = node.parent;
+      return isObjectOrClassMethod(node) || parent.type === "VariableDeclarator" && parent.id.type === "Identifier" && parent.init === node || parent.type === "Property" && parent.value === node || parent.type === "AssignmentExpression" && parent.left.type === "Identifier" && parent.right === node || parent.type === "AssignmentPattern" && parent.left.type === "Identifier" && parent.right === node;
+    }
+    /**
+     * Reports that an unnamed function should be named
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @returns {void}
+     */
+
+
+    function reportUnexpectedUnnamedFunction(node) {
+      context.report({
+        node,
+        messageId: "unnamed",
+        loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+        data: {
+          name: astUtils.getFunctionNameWithKind(node)
+        }
+      });
+    }
+    /**
+     * Reports that a named function should be unnamed
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @returns {void}
+     */
+
+
+    function reportUnexpectedNamedFunction(node) {
+      context.report({
+        node,
+        messageId: "named",
+        loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+        data: {
+          name: astUtils.getFunctionNameWithKind(node)
+        }
+      });
+    }
+    /**
+     * The listener for function nodes.
+     * @param {ASTNode} node function node
+     * @returns {void}
+     */
+
+
+    function handleFunction(node) {
+      // Skip recursive functions.
+      const nameVar = context.getDeclaredVariables(node)[0];
+
+      if (isFunctionName(nameVar) && nameVar.references.length > 0) {
+        return;
+      }
+
+      const hasName = Boolean(node.id && node.id.name);
+      const config = getConfigForNode(node);
+
+      if (config === "never") {
+        if (hasName && node.type !== "FunctionDeclaration") {
+          reportUnexpectedNamedFunction(node);
+        }
+      } else if (config === "as-needed") {
+        if (!hasName && !hasInferredName(node)) {
+          reportUnexpectedUnnamedFunction(node);
+        }
+      } else {
+        if (!hasName && !isObjectOrClassMethod(node)) {
+          reportUnexpectedUnnamedFunction(node);
+        }
+      }
+    }
+
+    return {
+      "FunctionExpression:exit": handleFunction,
+      "ExportDefaultDeclaration > FunctionDeclaration": handleFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 467 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce a particular function style
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce the consistent use of either `function` declarations or expressions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/func-style"
+    },
+    schema: [{
+      enum: ["declaration", "expression"]
+    }, {
+      type: "object",
+      properties: {
+        allowArrowFunctions: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expression: "Expected a function expression.",
+      declaration: "Expected a function declaration."
+    }
+  },
+
+  create(context) {
+    const style = context.options[0],
+          allowArrowFunctions = context.options[1] && context.options[1].allowArrowFunctions,
+          enforceDeclarations = style === "declaration",
+          stack = [];
+    const nodesToCheck = {
+      FunctionDeclaration(node) {
+        stack.push(false);
+
+        if (!enforceDeclarations && node.parent.type !== "ExportDefaultDeclaration") {
+          context.report({
+            node,
+            messageId: "expression"
+          });
+        }
+      },
+
+      "FunctionDeclaration:exit"() {
+        stack.pop();
+      },
+
+      FunctionExpression(node) {
+        stack.push(false);
+
+        if (enforceDeclarations && node.parent.type === "VariableDeclarator") {
+          context.report({
+            node: node.parent,
+            messageId: "declaration"
+          });
+        }
+      },
+
+      "FunctionExpression:exit"() {
+        stack.pop();
+      },
+
+      ThisExpression() {
+        if (stack.length > 0) {
+          stack[stack.length - 1] = true;
+        }
+      }
+
+    };
+
+    if (!allowArrowFunctions) {
+      nodesToCheck.ArrowFunctionExpression = function () {
+        stack.push(false);
+      };
+
+      nodesToCheck["ArrowFunctionExpression:exit"] = function (node) {
+        const hasThisExpr = stack.pop();
+
+        if (enforceDeclarations && !hasThisExpr && node.parent.type === "VariableDeclarator") {
+          context.report({
+            node: node.parent,
+            messageId: "declaration"
+          });
+        }
+      };
+    }
+
+    return nodesToCheck;
+  }
+
+};
+
+/***/ }),
+/* 468 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce line breaks between arguments of a function call
+ * @author Alexey Gonchar <https://github.com/finico>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce line breaks between arguments of a function call",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/function-call-argument-newline"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never", "consistent"]
+    }],
+    messages: {
+      unexpectedLineBreak: "There should be no line break here.",
+      missingLineBreak: "There should be a line break after this argument."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const checkers = {
+      unexpected: {
+        messageId: "unexpectedLineBreak",
+        check: (prevToken, currentToken) => prevToken.loc.end.line !== currentToken.loc.start.line,
+        createFix: (token, tokenBefore) => fixer => fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], " ")
+      },
+      missing: {
+        messageId: "missingLineBreak",
+        check: (prevToken, currentToken) => prevToken.loc.end.line === currentToken.loc.start.line,
+        createFix: (token, tokenBefore) => fixer => fixer.replaceTextRange([tokenBefore.range[1], token.range[0]], "\n")
+      }
+    };
+    /**
+     * Check all arguments for line breaks in the CallExpression
+     * @param {CallExpression} node node to evaluate
+     * @param {{ messageId: string, check: Function }} checker selected checker
+     * @returns {void}
+     * @private
+     */
+
+    function checkArguments(node, checker) {
+      for (let i = 1; i < node.arguments.length; i++) {
+        const prevArgToken = sourceCode.getLastToken(node.arguments[i - 1]);
+        const currentArgToken = sourceCode.getFirstToken(node.arguments[i]);
+
+        if (checker.check(prevArgToken, currentArgToken)) {
+          const tokenBefore = sourceCode.getTokenBefore(currentArgToken, {
+            includeComments: true
+          });
+          const hasLineCommentBefore = tokenBefore.type === "Line";
+          context.report({
+            node,
+            loc: {
+              start: tokenBefore.loc.end,
+              end: currentArgToken.loc.start
+            },
+            messageId: checker.messageId,
+            fix: hasLineCommentBefore ? null : checker.createFix(currentArgToken, tokenBefore)
+          });
+        }
+      }
+    }
+    /**
+     * Check if open space is present in a function name
+     * @param {CallExpression} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function check(node) {
+      if (node.arguments.length < 2) {
+        return;
+      }
+
+      const option = context.options[0] || "always";
+
+      if (option === "never") {
+        checkArguments(node, checkers.unexpected);
+      } else if (option === "always") {
+        checkArguments(node, checkers.missing);
+      } else if (option === "consistent") {
+        const firstArgToken = sourceCode.getLastToken(node.arguments[0]);
+        const secondArgToken = sourceCode.getFirstToken(node.arguments[1]);
+
+        if (firstArgToken.loc.end.line === secondArgToken.loc.start.line) {
+          checkArguments(node, checkers.unexpected);
+        } else {
+          checkArguments(node, checkers.missing);
+        }
+      }
+    }
+
+    return {
+      CallExpression: check,
+      NewExpression: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 469 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce consistent line breaks inside function parentheses
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent line breaks inside function parentheses",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/function-paren-newline"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never", "consistent", "multiline", "multiline-arguments"]
+      }, {
+        type: "object",
+        properties: {
+          minItems: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      expectedBefore: "Expected newline before ')'.",
+      expectedAfter: "Expected newline after '('.",
+      expectedBetween: "Expected newline between arguments/params.",
+      unexpectedBefore: "Unexpected newline before ')'.",
+      unexpectedAfter: "Unexpected newline after '('."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const rawOption = context.options[0] || "multiline";
+    const multilineOption = rawOption === "multiline";
+    const multilineArgumentsOption = rawOption === "multiline-arguments";
+    const consistentOption = rawOption === "consistent";
+    let minItems;
+
+    if (typeof rawOption === "object") {
+      minItems = rawOption.minItems;
+    } else if (rawOption === "always") {
+      minItems = 0;
+    } else if (rawOption === "never") {
+      minItems = Infinity;
+    } else {
+      minItems = null;
+    } //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Determines whether there should be newlines inside function parens
+     * @param {ASTNode[]} elements The arguments or parameters in the list
+     * @param {boolean} hasLeftNewline `true` if the left paren has a newline in the current code.
+     * @returns {boolean} `true` if there should be newlines inside the function parens
+     */
+
+
+    function shouldHaveNewlines(elements, hasLeftNewline) {
+      if (multilineArgumentsOption && elements.length === 1) {
+        return hasLeftNewline;
+      }
+
+      if (multilineOption || multilineArgumentsOption) {
+        return elements.some((element, index) => index !== elements.length - 1 && element.loc.end.line !== elements[index + 1].loc.start.line);
+      }
+
+      if (consistentOption) {
+        return hasLeftNewline;
+      }
+
+      return elements.length >= minItems;
+    }
+    /**
+     * Validates parens
+     * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token
+     * @param {ASTNode[]} elements The arguments or parameters in the list
+     * @returns {void}
+     */
+
+
+    function validateParens(parens, elements) {
+      const leftParen = parens.leftParen;
+      const rightParen = parens.rightParen;
+      const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen);
+      const tokenBeforeRightParen = sourceCode.getTokenBefore(rightParen);
+      const hasLeftNewline = !astUtils.isTokenOnSameLine(leftParen, tokenAfterLeftParen);
+      const hasRightNewline = !astUtils.isTokenOnSameLine(tokenBeforeRightParen, rightParen);
+      const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline);
+
+      if (hasLeftNewline && !needsNewlines) {
+        context.report({
+          node: leftParen,
+          messageId: "unexpectedAfter",
+
+          fix(fixer) {
+            return sourceCode.getText().slice(leftParen.range[1], tokenAfterLeftParen.range[0]).trim() // If there is a comment between the ( and the first element, don't do a fix.
+            ? null : fixer.removeRange([leftParen.range[1], tokenAfterLeftParen.range[0]]);
+          }
+
+        });
+      } else if (!hasLeftNewline && needsNewlines) {
+        context.report({
+          node: leftParen,
+          messageId: "expectedAfter",
+          fix: fixer => fixer.insertTextAfter(leftParen, "\n")
+        });
+      }
+
+      if (hasRightNewline && !needsNewlines) {
+        context.report({
+          node: rightParen,
+          messageId: "unexpectedBefore",
+
+          fix(fixer) {
+            return sourceCode.getText().slice(tokenBeforeRightParen.range[1], rightParen.range[0]).trim() // If there is a comment between the last element and the ), don't do a fix.
+            ? null : fixer.removeRange([tokenBeforeRightParen.range[1], rightParen.range[0]]);
+          }
+
+        });
+      } else if (!hasRightNewline && needsNewlines) {
+        context.report({
+          node: rightParen,
+          messageId: "expectedBefore",
+          fix: fixer => fixer.insertTextBefore(rightParen, "\n")
+        });
+      }
+    }
+    /**
+     * Validates a list of arguments or parameters
+     * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token
+     * @param {ASTNode[]} elements The arguments or parameters in the list
+     * @returns {void}
+     */
+
+
+    function validateArguments(parens, elements) {
+      const leftParen = parens.leftParen;
+      const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen);
+      const hasLeftNewline = !astUtils.isTokenOnSameLine(leftParen, tokenAfterLeftParen);
+      const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline);
+
+      for (let i = 0; i <= elements.length - 2; i++) {
+        const currentElement = elements[i];
+        const nextElement = elements[i + 1];
+        const hasNewLine = currentElement.loc.end.line !== nextElement.loc.start.line;
+
+        if (!hasNewLine && needsNewlines) {
+          context.report({
+            node: currentElement,
+            messageId: "expectedBetween",
+            fix: fixer => fixer.insertTextBefore(nextElement, "\n")
+          });
+        }
+      }
+    }
+    /**
+     * Gets the left paren and right paren tokens of a node.
+     * @param {ASTNode} node The node with parens
+     * @returns {Object} An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token.
+     * Can also return `null` if an expression has no parens (e.g. a NewExpression with no arguments, or an ArrowFunctionExpression
+     * with a single parameter)
+     */
+
+
+    function getParenTokens(node) {
+      switch (node.type) {
+        case "NewExpression":
+          if (!node.arguments.length && !(astUtils.isOpeningParenToken(sourceCode.getLastToken(node, {
+            skip: 1
+          })) && astUtils.isClosingParenToken(sourceCode.getLastToken(node)))) {
+            // If the NewExpression does not have parens (e.g. `new Foo`), return null.
+            return null;
+          }
+
+        // falls through
+
+        case "CallExpression":
+          return {
+            leftParen: sourceCode.getTokenAfter(node.callee, astUtils.isOpeningParenToken),
+            rightParen: sourceCode.getLastToken(node)
+          };
+
+        case "FunctionDeclaration":
+        case "FunctionExpression":
+          {
+            const leftParen = sourceCode.getFirstToken(node, astUtils.isOpeningParenToken);
+            const rightParen = node.params.length ? sourceCode.getTokenAfter(node.params[node.params.length - 1], astUtils.isClosingParenToken) : sourceCode.getTokenAfter(leftParen);
+            return {
+              leftParen,
+              rightParen
+            };
+          }
+
+        case "ArrowFunctionExpression":
+          {
+            const firstToken = sourceCode.getFirstToken(node);
+
+            if (!astUtils.isOpeningParenToken(firstToken)) {
+              // If the ArrowFunctionExpression has a single param without parens, return null.
+              return null;
+            }
+
+            return {
+              leftParen: firstToken,
+              rightParen: sourceCode.getTokenBefore(node.body, astUtils.isClosingParenToken)
+            };
+          }
+
+        case "ImportExpression":
+          {
+            const leftParen = sourceCode.getFirstToken(node, 1);
+            const rightParen = sourceCode.getLastToken(node);
+            return {
+              leftParen,
+              rightParen
+            };
+          }
+
+        default:
+          throw new TypeError("unexpected node with type ".concat(node.type));
+      }
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      [["ArrowFunctionExpression", "CallExpression", "FunctionDeclaration", "FunctionExpression", "ImportExpression", "NewExpression"]](node) {
+        const parens = getParenTokens(node);
+        let params;
+
+        if (node.type === "ImportExpression") {
+          params = [node.source];
+        } else if (astUtils.isFunction(node)) {
+          params = node.params;
+        } else {
+          params = node.arguments;
+        }
+
+        if (parens) {
+          validateParens(parens, params);
+
+          if (multilineArgumentsOption) {
+            validateArguments(parens, params);
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 470 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check the spacing around the * in generator functions.
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const OVERRIDE_SCHEMA = {
+  oneOf: [{
+    enum: ["before", "after", "both", "neither"]
+  }, {
+    type: "object",
+    properties: {
+      before: {
+        type: "boolean"
+      },
+      after: {
+        type: "boolean"
+      }
+    },
+    additionalProperties: false
+  }]
+};
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing around `*` operators in generator functions",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/generator-star-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["before", "after", "both", "neither"]
+      }, {
+        type: "object",
+        properties: {
+          before: {
+            type: "boolean"
+          },
+          after: {
+            type: "boolean"
+          },
+          named: OVERRIDE_SCHEMA,
+          anonymous: OVERRIDE_SCHEMA,
+          method: OVERRIDE_SCHEMA
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      missingBefore: "Missing space before *.",
+      missingAfter: "Missing space after *.",
+      unexpectedBefore: "Unexpected space before *.",
+      unexpectedAfter: "Unexpected space after *."
+    }
+  },
+
+  create(context) {
+    const optionDefinitions = {
+      before: {
+        before: true,
+        after: false
+      },
+      after: {
+        before: false,
+        after: true
+      },
+      both: {
+        before: true,
+        after: true
+      },
+      neither: {
+        before: false,
+        after: false
+      }
+    };
+    /**
+     * Returns resolved option definitions based on an option and defaults
+     * @param {any} option The option object or string value
+     * @param {Object} defaults The defaults to use if options are not present
+     * @returns {Object} the resolved object definition
+     */
+
+    function optionToDefinition(option, defaults) {
+      if (!option) {
+        return defaults;
+      }
+
+      return typeof option === "string" ? optionDefinitions[option] : Object.assign({}, defaults, option);
+    }
+
+    const modes = function (option) {
+      const defaults = optionToDefinition(option, optionDefinitions.before);
+      return {
+        named: optionToDefinition(option.named, defaults),
+        anonymous: optionToDefinition(option.anonymous, defaults),
+        method: optionToDefinition(option.method, defaults)
+      };
+    }(context.options[0] || {});
+
+    const sourceCode = context.getSourceCode();
+    /**
+     * Checks if the given token is a star token or not.
+     * @param {Token} token The token to check.
+     * @returns {boolean} `true` if the token is a star token.
+     */
+
+    function isStarToken(token) {
+      return token.value === "*" && token.type === "Punctuator";
+    }
+    /**
+     * Gets the generator star token of the given function node.
+     * @param {ASTNode} node The function node to get.
+     * @returns {Token} Found star token.
+     */
+
+
+    function getStarToken(node) {
+      return sourceCode.getFirstToken(node.parent.method || node.parent.type === "MethodDefinition" ? node.parent : node, isStarToken);
+    }
+    /**
+     * capitalize a given string.
+     * @param {string} str the given string.
+     * @returns {string} the capitalized string.
+     */
+
+
+    function capitalize(str) {
+      return str[0].toUpperCase() + str.slice(1);
+    }
+    /**
+     * Checks the spacing between two tokens before or after the star token.
+     * @param {string} kind Either "named", "anonymous", or "method"
+     * @param {string} side Either "before" or "after".
+     * @param {Token} leftToken `function` keyword token if side is "before", or
+     *     star token if side is "after".
+     * @param {Token} rightToken Star token if side is "before", or identifier
+     *     token if side is "after".
+     * @returns {void}
+     */
+
+
+    function checkSpacing(kind, side, leftToken, rightToken) {
+      if (!!(rightToken.range[0] - leftToken.range[1]) !== modes[kind][side]) {
+        const after = leftToken.value === "*";
+        const spaceRequired = modes[kind][side];
+        const node = after ? leftToken : rightToken;
+        const messageId = "".concat(spaceRequired ? "missing" : "unexpected").concat(capitalize(side));
+        context.report({
+          node,
+          messageId,
+
+          fix(fixer) {
+            if (spaceRequired) {
+              if (after) {
+                return fixer.insertTextAfter(node, " ");
+              }
+
+              return fixer.insertTextBefore(node, " ");
+            }
+
+            return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+          }
+
+        });
+      }
+    }
+    /**
+     * Enforces the spacing around the star if node is a generator function.
+     * @param {ASTNode} node A function expression or declaration node.
+     * @returns {void}
+     */
+
+
+    function checkFunction(node) {
+      if (!node.generator) {
+        return;
+      }
+
+      const starToken = getStarToken(node);
+      const prevToken = sourceCode.getTokenBefore(starToken);
+      const nextToken = sourceCode.getTokenAfter(starToken);
+      let kind = "named";
+
+      if (node.parent.type === "MethodDefinition" || node.parent.type === "Property" && node.parent.method) {
+        kind = "method";
+      } else if (!node.id) {
+        kind = "anonymous";
+      } // Only check before when preceded by `function`|`static` keyword
+
+
+      if (!(kind === "method" && starToken === sourceCode.getFirstToken(node.parent))) {
+        checkSpacing(kind, "before", prevToken, starToken);
+      }
+
+      checkSpacing(kind, "after", starToken, nextToken);
+    }
+
+    return {
+      FunctionDeclaration: checkFunction,
+      FunctionExpression: checkFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 471 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforces that a return statement is present in property getters.
+ * @author Aladdin-ADD(hh_2013@foxmail.com)
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u;
+/**
+ * Checks a given code path segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+function isReachable(segment) {
+  return segment.reachable;
+}
+/**
+ * Gets a readable location.
+ *
+ * - FunctionExpression -> the function name or `function` keyword.
+ * @param {ASTNode} node A function node to get.
+ * @returns {ASTNode|Token} The node or the token of a location.
+ */
+
+
+function getId(node) {
+  return node.id || node;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "enforce `return` statements in getters",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/getter-return"
+    },
+    fixable: null,
+    schema: [{
+      type: "object",
+      properties: {
+        allowImplicit: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expected: "Expected to return a value in {{name}}.",
+      expectedAlways: "Expected {{name}} to always return a value."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {
+      allowImplicit: false
+    };
+    let funcInfo = {
+      upper: null,
+      codePath: null,
+      hasReturn: false,
+      shouldCheck: false,
+      node: null
+    };
+    /**
+     * Checks whether or not the last code path segment is reachable.
+     * Then reports this function if the segment is reachable.
+     *
+     * If the last code path segment is reachable, there are paths which are not
+     * returned or thrown.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+    function checkLastSegment(node) {
+      if (funcInfo.shouldCheck && funcInfo.codePath.currentSegments.some(isReachable)) {
+        context.report({
+          node,
+          loc: getId(node).loc.start,
+          messageId: funcInfo.hasReturn ? "expectedAlways" : "expected",
+          data: {
+            name: astUtils.getFunctionNameWithKind(funcInfo.node)
+          }
+        });
+      }
+    }
+    /**
+     * Checks whether a node means a getter function.
+     * @param {ASTNode} node a node to check.
+     * @returns {boolean} if node means a getter, return true; else return false.
+     */
+
+
+    function isGetter(node) {
+      const parent = node.parent;
+
+      if (TARGET_NODE_TYPE.test(node.type) && node.body.type === "BlockStatement") {
+        if (parent.kind === "get") {
+          return true;
+        }
+
+        if (parent.type === "Property" && astUtils.getStaticPropertyName(parent) === "get" && parent.parent.type === "ObjectExpression") {
+          // Object.defineProperty()
+          if (parent.parent.parent.type === "CallExpression" && astUtils.getStaticPropertyName(parent.parent.parent.callee) === "defineProperty") {
+            return true;
+          } // Object.defineProperties()
+
+
+          if (parent.parent.parent.type === "Property" && parent.parent.parent.parent.type === "ObjectExpression" && parent.parent.parent.parent.parent.type === "CallExpression" && astUtils.getStaticPropertyName(parent.parent.parent.parent.parent.callee) === "defineProperties") {
+            return true;
+          }
+        }
+      }
+
+      return false;
+    }
+
+    return {
+      // Stacks this function's information.
+      onCodePathStart(codePath, node) {
+        funcInfo = {
+          upper: funcInfo,
+          codePath,
+          hasReturn: false,
+          shouldCheck: isGetter(node),
+          node
+        };
+      },
+
+      // Pops this function's information.
+      onCodePathEnd() {
+        funcInfo = funcInfo.upper;
+      },
+
+      // Checks the return statement is valid.
+      ReturnStatement(node) {
+        if (funcInfo.shouldCheck) {
+          funcInfo.hasReturn = true; // if allowImplicit: false, should also check node.argument
+
+          if (!options.allowImplicit && !node.argument) {
+            context.report({
+              node,
+              messageId: "expected",
+              data: {
+                name: astUtils.getFunctionNameWithKind(funcInfo.node)
+              }
+            });
+          }
+        }
+      },
+
+      // Reports a given function if the last path is reachable.
+      "FunctionExpression:exit": checkLastSegment,
+      "ArrowFunctionExpression:exit": checkLastSegment
+    };
+  }
+
+};
+
+/***/ }),
+/* 472 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule for disallowing require() outside of the top-level module context
+ * @author Jamund Ferguson
+ */
+
+
+const ACCEPTABLE_PARENTS = ["AssignmentExpression", "VariableDeclarator", "MemberExpression", "ExpressionStatement", "CallExpression", "ConditionalExpression", "Program", "VariableDeclaration"];
+/**
+ * Finds the eslint-scope reference in the given scope.
+ * @param {Object} scope The scope to search.
+ * @param {ASTNode} node The identifier node.
+ * @returns {Reference|null} Returns the found reference or null if none were found.
+ */
+
+function findReference(scope, node) {
+  const references = scope.references.filter(reference => reference.identifier.range[0] === node.range[0] && reference.identifier.range[1] === node.range[1]);
+  /* istanbul ignore else: correctly returns null */
+
+  if (references.length === 1) {
+    return references[0];
+  }
+
+  return null;
+}
+/**
+ * Checks if the given identifier node is shadowed in the given scope.
+ * @param {Object} scope The current scope.
+ * @param {ASTNode} node The identifier node to check.
+ * @returns {boolean} Whether or not the name is shadowed.
+ */
+
+
+function isShadowed(scope, node) {
+  const reference = findReference(scope, node);
+  return reference && reference.resolved && reference.resolved.defs.length > 0;
+}
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `require()` calls to be placed at top-level module scope",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/global-require"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected require()."
+    }
+  },
+
+  create(context) {
+    return {
+      CallExpression(node) {
+        const currentScope = context.getScope();
+
+        if (node.callee.name === "require" && !isShadowed(currentScope, node.callee)) {
+          const isGoodRequire = context.getAncestors().every(parent => ACCEPTABLE_PARENTS.indexOf(parent.type) > -1);
+
+          if (!isGoodRequire) {
+            context.report({
+              node,
+              messageId: "unexpected"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 473 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require grouped accessor pairs in object literals and classes
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Property name if it can be computed statically, otherwise the list of the tokens of the key node.
+ * @typedef {string|Token[]} Key
+ */
+
+/**
+ * Accessor nodes with the same key.
+ * @typedef {Object} AccessorData
+ * @property {Key} key Accessor's key
+ * @property {ASTNode[]} getters List of getter nodes.
+ * @property {ASTNode[]} setters List of setter nodes.
+ */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not the given lists represent the equal tokens in the same order.
+ * Tokens are compared by their properties, not by instance.
+ * @param {Token[]} left First list of tokens.
+ * @param {Token[]} right Second list of tokens.
+ * @returns {boolean} `true` if the lists have same tokens.
+ */
+
+
+function areEqualTokenLists(left, right) {
+  if (left.length !== right.length) {
+    return false;
+  }
+
+  for (let i = 0; i < left.length; i++) {
+    const leftToken = left[i],
+          rightToken = right[i];
+
+    if (leftToken.type !== rightToken.type || leftToken.value !== rightToken.value) {
+      return false;
+    }
+  }
+
+  return true;
+}
+/**
+ * Checks whether or not the given keys are equal.
+ * @param {Key} left First key.
+ * @param {Key} right Second key.
+ * @returns {boolean} `true` if the keys are equal.
+ */
+
+
+function areEqualKeys(left, right) {
+  if (typeof left === "string" && typeof right === "string") {
+    // Statically computed names.
+    return left === right;
+  }
+
+  if (Array.isArray(left) && Array.isArray(right)) {
+    // Token lists.
+    return areEqualTokenLists(left, right);
+  }
+
+  return false;
+}
+/**
+ * Checks whether or not a given node is of an accessor kind ('get' or 'set').
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is of an accessor kind.
+ */
+
+
+function isAccessorKind(node) {
+  return node.kind === "get" || node.kind === "set";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require grouped accessor pairs in object literals and classes",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/grouped-accessor-pairs"
+    },
+    schema: [{
+      enum: ["anyOrder", "getBeforeSet", "setBeforeGet"]
+    }],
+    messages: {
+      notGrouped: "Accessor pair {{ formerName }} and {{ latterName }} should be grouped.",
+      invalidOrder: "Expected {{ latterName }} to be before {{ formerName }}."
+    }
+  },
+
+  create(context) {
+    const order = context.options[0] || "anyOrder";
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports the given accessor pair.
+     * @param {string} messageId messageId to report.
+     * @param {ASTNode} formerNode getter/setter node that is defined before `latterNode`.
+     * @param {ASTNode} latterNode getter/setter node that is defined after `formerNode`.
+     * @returns {void}
+     * @private
+     */
+
+    function report(messageId, formerNode, latterNode) {
+      context.report({
+        node: latterNode,
+        messageId,
+        loc: astUtils.getFunctionHeadLoc(latterNode.value, sourceCode),
+        data: {
+          formerName: astUtils.getFunctionNameWithKind(formerNode.value),
+          latterName: astUtils.getFunctionNameWithKind(latterNode.value)
+        }
+      });
+    }
+    /**
+     * Creates a new `AccessorData` object for the given getter or setter node.
+     * @param {ASTNode} node A getter or setter node.
+     * @returns {AccessorData} New `AccessorData` object that contains the given node.
+     * @private
+     */
+
+
+    function createAccessorData(node) {
+      const name = astUtils.getStaticPropertyName(node);
+      const key = name !== null ? name : sourceCode.getTokens(node.key);
+      return {
+        key,
+        getters: node.kind === "get" ? [node] : [],
+        setters: node.kind === "set" ? [node] : []
+      };
+    }
+    /**
+     * Merges the given `AccessorData` object into the given accessors list.
+     * @param {AccessorData[]} accessors The list to merge into.
+     * @param {AccessorData} accessorData The object to merge.
+     * @returns {AccessorData[]} The same instance with the merged object.
+     * @private
+     */
+
+
+    function mergeAccessorData(accessors, accessorData) {
+      const equalKeyElement = accessors.find(a => areEqualKeys(a.key, accessorData.key));
+
+      if (equalKeyElement) {
+        equalKeyElement.getters.push(...accessorData.getters);
+        equalKeyElement.setters.push(...accessorData.setters);
+      } else {
+        accessors.push(accessorData);
+      }
+
+      return accessors;
+    }
+    /**
+     * Checks accessor pairs in the given list of nodes.
+     * @param {ASTNode[]} nodes The list to check.
+     * @param {Function} shouldCheck – Predicate that returns `true` if the node should be checked.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkList(nodes, shouldCheck) {
+      const accessors = nodes.filter(shouldCheck).filter(isAccessorKind).map(createAccessorData).reduce(mergeAccessorData, []);
+
+      for (const {
+        getters,
+        setters
+      } of accessors) {
+        // Don't report accessor properties that have duplicate getters or setters.
+        if (getters.length === 1 && setters.length === 1) {
+          const [getter] = getters,
+                [setter] = setters,
+                getterIndex = nodes.indexOf(getter),
+                setterIndex = nodes.indexOf(setter),
+                formerNode = getterIndex < setterIndex ? getter : setter,
+                latterNode = getterIndex < setterIndex ? setter : getter;
+
+          if (Math.abs(getterIndex - setterIndex) > 1) {
+            report("notGrouped", formerNode, latterNode);
+          } else if (order === "getBeforeSet" && getterIndex > setterIndex || order === "setBeforeGet" && getterIndex < setterIndex) {
+            report("invalidOrder", formerNode, latterNode);
+          }
+        }
+      }
+    }
+
+    return {
+      ObjectExpression(node) {
+        checkList(node.properties, n => n.type === "Property");
+      },
+
+      ClassBody(node) {
+        checkList(node.body, n => n.type === "MethodDefinition" && !n.static);
+        checkList(node.body, n => n.type === "MethodDefinition" && n.static);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 474 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag for-in loops without if statements inside
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `for-in` loops to include an `if` statement",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/guard-for-in"
+    },
+    schema: [],
+    messages: {
+      wrap: "The body of a for-in should be wrapped in an if statement to filter unwanted properties from the prototype."
+    }
+  },
+
+  create(context) {
+    return {
+      ForInStatement(node) {
+        const body = node.body; // empty statement
+
+        if (body.type === "EmptyStatement") {
+          return;
+        } // if statement
+
+
+        if (body.type === "IfStatement") {
+          return;
+        } // empty block
+
+
+        if (body.type === "BlockStatement" && body.body.length === 0) {
+          return;
+        } // block with just if statement
+
+
+        if (body.type === "BlockStatement" && body.body.length === 1 && body.body[0].type === "IfStatement") {
+          return;
+        } // block that starts with if statement
+
+
+        if (body.type === "BlockStatement" && body.body.length >= 1 && body.body[0].type === "IfStatement") {
+          const i = body.body[0]; // ... whose consequent is a continue
+
+          if (i.consequent.type === "ContinueStatement") {
+            return;
+          } // ... whose consequent is a block that contains only a continue
+
+
+          if (i.consequent.type === "BlockStatement" && i.consequent.body.length === 1 && i.consequent.body[0].type === "ContinueStatement") {
+            return;
+          }
+        }
+
+        context.report({
+          node,
+          messageId: "wrap"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 475 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Ensure handling of errors when we know they exist.
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require error handling in callbacks",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/handle-callback-err"
+    },
+    schema: [{
+      type: "string"
+    }],
+    messages: {
+      expected: "Expected error to be handled."
+    }
+  },
+
+  create(context) {
+    const errorArgument = context.options[0] || "err";
+    /**
+     * Checks if the given argument should be interpreted as a regexp pattern.
+     * @param {string} stringToCheck The string which should be checked.
+     * @returns {boolean} Whether or not the string should be interpreted as a pattern.
+     */
+
+    function isPattern(stringToCheck) {
+      const firstChar = stringToCheck[0];
+      return firstChar === "^";
+    }
+    /**
+     * Checks if the given name matches the configured error argument.
+     * @param {string} name The name which should be compared.
+     * @returns {boolean} Whether or not the given name matches the configured error variable name.
+     */
+
+
+    function matchesConfiguredErrorName(name) {
+      if (isPattern(errorArgument)) {
+        const regexp = new RegExp(errorArgument, "u");
+        return regexp.test(name);
+      }
+
+      return name === errorArgument;
+    }
+    /**
+     * Get the parameters of a given function scope.
+     * @param {Object} scope The function scope.
+     * @returns {Array} All parameters of the given scope.
+     */
+
+
+    function getParameters(scope) {
+      return scope.variables.filter(variable => variable.defs[0] && variable.defs[0].type === "Parameter");
+    }
+    /**
+     * Check to see if we're handling the error object properly.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     */
+
+
+    function checkForError(node) {
+      const scope = context.getScope(),
+            parameters = getParameters(scope),
+            firstParameter = parameters[0];
+
+      if (firstParameter && matchesConfiguredErrorName(firstParameter.name)) {
+        if (firstParameter.references.length === 0) {
+          context.report({
+            node,
+            messageId: "expected"
+          });
+        }
+      }
+    }
+
+    return {
+      FunctionDeclaration: checkForError,
+      FunctionExpression: checkForError,
+      ArrowFunctionExpression: checkForError
+    };
+  }
+
+};
+
+/***/ }),
+/* 476 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule that warns when identifier names that are
+ * blacklisted in the configuration are used.
+ * @author Keith Cirkel (http://keithcirkel.co.uk)
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether the given node represents assignment target in a normal assignment or destructuring.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is assignment target.
+ */
+
+function isAssignmentTarget(node) {
+  const parent = node.parent;
+  return (// normal assignment
+    parent.type === "AssignmentExpression" && parent.left === node || // destructuring
+    parent.type === "ArrayPattern" || parent.type === "RestElement" || parent.type === "Property" && parent.value === node && parent.parent.type === "ObjectPattern" || parent.type === "AssignmentPattern" && parent.left === node
+  );
+}
+/**
+ * Checks whether the given node represents an imported name that is renamed in the same import/export specifier.
+ *
+ * Examples:
+ * import { a as b } from 'mod'; // node `a` is renamed import
+ * export { a as b } from 'mod'; // node `a` is renamed import
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a renamed import.
+ */
+
+
+function isRenamedImport(node) {
+  const parent = node.parent;
+  return parent.type === "ImportSpecifier" && parent.imported !== parent.local && parent.imported === node || parent.type === "ExportSpecifier" && parent.parent.source && // re-export
+  parent.local !== parent.exported && parent.local === node;
+}
+/**
+ * Checks whether the given node is a renamed identifier node in an ObjectPattern destructuring.
+ *
+ * Examples:
+ * const { a : b } = foo; // node `a` is renamed node.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a renamed node in an ObjectPattern destructuring.
+ */
+
+
+function isRenamedInDestructuring(node) {
+  const parent = node.parent;
+  return !parent.computed && parent.type === "Property" && parent.parent.type === "ObjectPattern" && parent.value !== node && parent.key === node;
+}
+/**
+ * Checks whether the given node represents shorthand definition of a property in an object literal.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @returns {boolean} `true` if the node is a shorthand property definition.
+ */
+
+
+function isShorthandPropertyDefinition(node) {
+  const parent = node.parent;
+  return parent.type === "Property" && parent.parent.type === "ObjectExpression" && parent.shorthand;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified identifiers",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/id-blacklist"
+    },
+    schema: {
+      type: "array",
+      items: {
+        type: "string"
+      },
+      uniqueItems: true
+    },
+    messages: {
+      blacklisted: "Identifier '{{name}}' is blacklisted."
+    }
+  },
+
+  create(context) {
+    const blacklist = new Set(context.options);
+    const reportedNodes = new Set();
+    let globalScope;
+    /**
+     * Checks whether the given name is blacklisted.
+     * @param {string} name The name to check.
+     * @returns {boolean} `true` if the name is blacklisted.
+     * @private
+     */
+
+    function isBlacklisted(name) {
+      return blacklist.has(name);
+    }
+    /**
+     * Checks whether the given node represents a reference to a global variable that is not declared in the source code.
+     * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables.
+     * @param {ASTNode} node `Identifier` node to check.
+     * @returns {boolean} `true` if the node is a reference to a global variable.
+     */
+
+
+    function isReferenceToGlobalVariable(node) {
+      const variable = globalScope.set.get(node.name);
+      return variable && variable.defs.length === 0 && variable.references.some(ref => ref.identifier === node);
+    }
+    /**
+     * Determines whether the given node should be checked.
+     * @param {ASTNode} node `Identifier` node.
+     * @returns {boolean} `true` if the node should be checked.
+     */
+
+
+    function shouldCheck(node) {
+      const parent = node.parent;
+      /*
+       * Member access has special rules for checking property names.
+       * Read access to a property with a blacklisted name is allowed, because it can be on an object that user has no control over.
+       * Write access isn't allowed, because it potentially creates a new property with a blacklisted name.
+       */
+
+      if (parent.type === "MemberExpression" && parent.property === node && !parent.computed) {
+        return isAssignmentTarget(parent);
+      }
+
+      return parent.type !== "CallExpression" && parent.type !== "NewExpression" && !isRenamedImport(node) && !isRenamedInDestructuring(node) && !(isReferenceToGlobalVariable(node) && !isShorthandPropertyDefinition(node));
+    }
+    /**
+     * Reports an AST node as a rule violation.
+     * @param {ASTNode} node The node to report.
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(node) {
+      if (!reportedNodes.has(node)) {
+        context.report({
+          node,
+          messageId: "blacklisted",
+          data: {
+            name: node.name
+          }
+        });
+        reportedNodes.add(node);
+      }
+    }
+
+    return {
+      Program() {
+        globalScope = context.getScope();
+      },
+
+      Identifier(node) {
+        if (isBlacklisted(node.name) && shouldCheck(node)) {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 477 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule that warns when identifier names are shorter or longer
+ * than the values provided in configuration.
+ * @author Burak Yigit Kaya aka BYK
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce minimum and maximum identifier lengths",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/id-length"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        min: {
+          type: "integer",
+          default: 2
+        },
+        max: {
+          type: "integer"
+        },
+        exceptions: {
+          type: "array",
+          uniqueItems: true,
+          items: {
+            type: "string"
+          }
+        },
+        properties: {
+          enum: ["always", "never"]
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      tooShort: "Identifier name '{{name}}' is too short (< {{min}}).",
+      tooLong: "Identifier name '{{name}}' is too long (> {{max}})."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const minLength = typeof options.min !== "undefined" ? options.min : 2;
+    const maxLength = typeof options.max !== "undefined" ? options.max : Infinity;
+    const properties = options.properties !== "never";
+    const exceptions = (options.exceptions ? options.exceptions : []).reduce((obj, item) => {
+      obj[item] = true;
+      return obj;
+    }, {});
+    const reportedNode = new Set();
+    const SUPPORTED_EXPRESSIONS = {
+      MemberExpression: properties && function (parent) {
+        return !parent.computed && ( // regular property assignment
+        parent.parent.left === parent && parent.parent.type === "AssignmentExpression" || // or the last identifier in an ObjectPattern destructuring
+        parent.parent.type === "Property" && parent.parent.value === parent && parent.parent.parent.type === "ObjectPattern" && parent.parent.parent.parent.left === parent.parent.parent);
+      },
+
+      AssignmentPattern(parent, node) {
+        return parent.left === node;
+      },
+
+      VariableDeclarator(parent, node) {
+        return parent.id === node;
+      },
+
+      Property(parent, node) {
+        if (parent.parent.type === "ObjectPattern") {
+          return parent.value !== parent.key && parent.value === node || parent.value === parent.key && parent.key === node && properties;
+        }
+
+        return properties && !parent.computed && parent.key === node;
+      },
+
+      ImportDefaultSpecifier: true,
+      RestElement: true,
+      FunctionExpression: true,
+      ArrowFunctionExpression: true,
+      ClassDeclaration: true,
+      FunctionDeclaration: true,
+      MethodDefinition: true,
+      CatchClause: true,
+      ArrayPattern: true
+    };
+    return {
+      Identifier(node) {
+        const name = node.name;
+        const parent = node.parent;
+        const isShort = name.length < minLength;
+        const isLong = name.length > maxLength;
+
+        if (!(isShort || isLong) || exceptions[name]) {
+          return; // Nothing to report
+        }
+
+        const isValidExpression = SUPPORTED_EXPRESSIONS[parent.type];
+
+        if (isValidExpression && !reportedNode.has(node) && (isValidExpression === true || isValidExpression(parent, node))) {
+          reportedNode.add(node);
+          context.report({
+            node,
+            messageId: isShort ? "tooShort" : "tooLong",
+            data: {
+              name,
+              min: minLength,
+              max: maxLength
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 478 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag non-matching identifiers
+ * @author Matthieu Larcher
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require identifiers to match a specified regular expression",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/id-match"
+    },
+    schema: [{
+      type: "string"
+    }, {
+      type: "object",
+      properties: {
+        properties: {
+          type: "boolean",
+          default: false
+        },
+        onlyDeclarations: {
+          type: "boolean",
+          default: false
+        },
+        ignoreDestructuring: {
+          type: "boolean",
+          default: false
+        }
+      }
+    }],
+    messages: {
+      notMatch: "Identifier '{{name}}' does not match the pattern '{{pattern}}'."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Options
+    //--------------------------------------------------------------------------
+    const pattern = context.options[0] || "^.+$",
+          regexp = new RegExp(pattern, "u");
+    const options = context.options[1] || {},
+          properties = !!options.properties,
+          onlyDeclarations = !!options.onlyDeclarations,
+          ignoreDestructuring = !!options.ignoreDestructuring; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // contains reported nodes to avoid reporting twice on destructuring with shorthand notation
+
+    const reported = new Map();
+    const ALLOWED_PARENT_TYPES = new Set(["CallExpression", "NewExpression"]);
+    const DECLARATION_TYPES = new Set(["FunctionDeclaration", "VariableDeclarator"]);
+    const IMPORT_TYPES = new Set(["ImportSpecifier", "ImportNamespaceSpecifier", "ImportDefaultSpecifier"]);
+    /**
+     * Checks if a string matches the provided pattern
+     * @param {string} name The string to check.
+     * @returns {boolean} if the string is a match
+     * @private
+     */
+
+    function isInvalid(name) {
+      return !regexp.test(name);
+    }
+    /**
+     * Checks if a parent of a node is an ObjectPattern.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} if the node is inside an ObjectPattern
+     * @private
+     */
+
+
+    function isInsideObjectPattern(node) {
+      let {
+        parent
+      } = node;
+
+      while (parent) {
+        if (parent.type === "ObjectPattern") {
+          return true;
+        }
+
+        parent = parent.parent;
+      }
+
+      return false;
+    }
+    /**
+     * Verifies if we should report an error or not based on the effective
+     * parent node and the identifier name.
+     * @param {ASTNode} effectiveParent The effective parent node of the node to be reported
+     * @param {string} name The identifier name of the identifier node
+     * @returns {boolean} whether an error should be reported or not
+     */
+
+
+    function shouldReport(effectiveParent, name) {
+      return (!onlyDeclarations || DECLARATION_TYPES.has(effectiveParent.type)) && !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && isInvalid(name);
+    }
+    /**
+     * Reports an AST node as a rule violation.
+     * @param {ASTNode} node The node to report.
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(node) {
+      if (!reported.has(node)) {
+        context.report({
+          node,
+          messageId: "notMatch",
+          data: {
+            name: node.name,
+            pattern
+          }
+        });
+        reported.set(node, true);
+      }
+    }
+
+    return {
+      Identifier(node) {
+        const name = node.name,
+              parent = node.parent,
+              effectiveParent = parent.type === "MemberExpression" ? parent.parent : parent;
+
+        if (parent.type === "MemberExpression") {
+          if (!properties) {
+            return;
+          } // Always check object names
+
+
+          if (parent.object.type === "Identifier" && parent.object.name === name) {
+            if (isInvalid(name)) {
+              report(node);
+            } // Report AssignmentExpressions left side's assigned variable id
+
+          } else if (effectiveParent.type === "AssignmentExpression" && effectiveParent.left.type === "MemberExpression" && effectiveParent.left.property.name === node.name) {
+            if (isInvalid(name)) {
+              report(node);
+            } // Report AssignmentExpressions only if they are the left side of the assignment
+
+          } else if (effectiveParent.type === "AssignmentExpression" && effectiveParent.right.type !== "MemberExpression") {
+            if (isInvalid(name)) {
+              report(node);
+            }
+          }
+          /*
+           * Properties have their own rules, and
+           * AssignmentPattern nodes can be treated like Properties:
+           * e.g.: const { no_camelcased = false } = bar;
+           */
+
+        } else if (parent.type === "Property" || parent.type === "AssignmentPattern") {
+          if (parent.parent && parent.parent.type === "ObjectPattern") {
+            if (parent.shorthand && parent.value.left && isInvalid(name)) {
+              report(node);
+            }
+
+            const assignmentKeyEqualsValue = parent.key.name === parent.value.name; // prevent checking righthand side of destructured object
+
+            if (!assignmentKeyEqualsValue && parent.key === node) {
+              return;
+            }
+
+            const valueIsInvalid = parent.value.name && isInvalid(name); // ignore destructuring if the option is set, unless a new identifier is created
+
+            if (valueIsInvalid && !(assignmentKeyEqualsValue && ignoreDestructuring)) {
+              report(node);
+            }
+          } // never check properties or always ignore destructuring
+
+
+          if (!properties || ignoreDestructuring && isInsideObjectPattern(node)) {
+            return;
+          } // don't check right hand side of AssignmentExpression to prevent duplicate warnings
+
+
+          if (parent.right !== node && shouldReport(effectiveParent, name)) {
+            report(node);
+          } // Check if it's an import specifier
+
+        } else if (IMPORT_TYPES.has(parent.type)) {
+          // Report only if the local imported identifier is invalid
+          if (parent.local && parent.local.name === node.name && isInvalid(name)) {
+            report(node);
+          } // Report anything that is invalid that isn't a CallExpression
+
+        } else if (shouldReport(effectiveParent, name)) {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 479 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce the location of arrow function bodies
+ * @author Sharmila Jesupaul
+ */
+
+
+const {
+  isCommentToken,
+  isNotOpeningParenToken
+} = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce the location of arrow function bodies",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/implicit-arrow-linebreak"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["beside", "below"]
+    }],
+    messages: {
+      expected: "Expected a linebreak before this expression.",
+      unexpected: "Expected no linebreak before this expression."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const option = context.options[0] || "beside";
+    /**
+     * Validates the location of an arrow function body
+     * @param {ASTNode} node The arrow function body
+     * @returns {void}
+     */
+
+    function validateExpression(node) {
+      if (node.body.type === "BlockStatement") {
+        return;
+      }
+
+      const arrowToken = sourceCode.getTokenBefore(node.body, isNotOpeningParenToken);
+      const firstTokenOfBody = sourceCode.getTokenAfter(arrowToken);
+
+      if (arrowToken.loc.end.line === firstTokenOfBody.loc.start.line && option === "below") {
+        context.report({
+          node: firstTokenOfBody,
+          messageId: "expected",
+          fix: fixer => fixer.insertTextBefore(firstTokenOfBody, "\n")
+        });
+      } else if (arrowToken.loc.end.line !== firstTokenOfBody.loc.start.line && option === "beside") {
+        context.report({
+          node: firstTokenOfBody,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            if (sourceCode.getFirstTokenBetween(arrowToken, firstTokenOfBody, {
+              includeComments: true,
+              filter: isCommentToken
+            })) {
+              return null;
+            }
+
+            return fixer.replaceTextRange([arrowToken.range[1], firstTokenOfBody.range[0]], " ");
+          }
+
+        });
+      }
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      ArrowFunctionExpression: node => validateExpression(node)
+    };
+  }
+
+};
+
+/***/ }),
+/* 480 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview This rule sets a specific indentation style and width for your code
+ *
+ * @author Teddy Katz
+ * @author Vitaly Puzrin
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426);
+
+const createTree = __webpack_require__(481); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+const KNOWN_NODES = new Set(["AssignmentExpression", "AssignmentPattern", "ArrayExpression", "ArrayPattern", "ArrowFunctionExpression", "AwaitExpression", "BlockStatement", "BinaryExpression", "BreakStatement", "CallExpression", "CatchClause", "ClassBody", "ClassDeclaration", "ClassExpression", "ConditionalExpression", "ContinueStatement", "DoWhileStatement", "DebuggerStatement", "EmptyStatement", "ExperimentalRestProperty", "ExperimentalSpreadProperty", "ExpressionStatement", "ForStatement", "ForInStatement", "ForOfStatement", "FunctionDeclaration", "FunctionExpression", "Identifier", "IfStatement", "Literal", "LabeledStatement", "LogicalExpression", "MemberExpression", "MetaProperty", "MethodDefinition", "NewExpression", "ObjectExpression", "ObjectPattern", "Program", "Property", "RestElement", "ReturnStatement", "SequenceExpression", "SpreadElement", "Super", "SwitchCase", "SwitchStatement", "TaggedTemplateExpression", "TemplateElement", "TemplateLiteral", "ThisExpression", "ThrowStatement", "TryStatement", "UnaryExpression", "UpdateExpression", "VariableDeclaration", "VariableDeclarator", "WhileStatement", "WithStatement", "YieldExpression", "JSXFragment", "JSXOpeningFragment", "JSXClosingFragment", "JSXIdentifier", "JSXNamespacedName", "JSXMemberExpression", "JSXEmptyExpression", "JSXExpressionContainer", "JSXElement", "JSXClosingElement", "JSXOpeningElement", "JSXAttribute", "JSXSpreadAttribute", "JSXText", "ExportDefaultDeclaration", "ExportNamedDeclaration", "ExportAllDeclaration", "ExportSpecifier", "ImportDeclaration", "ImportSpecifier", "ImportDefaultSpecifier", "ImportNamespaceSpecifier", "ImportExpression"]);
+/*
+ * General rule strategy:
+ * 1. An OffsetStorage instance stores a map of desired offsets, where each token has a specified offset from another
+ *    specified token or to the first column.
+ * 2. As the AST is traversed, modify the desired offsets of tokens accordingly. For example, when entering a
+ *    BlockStatement, offset all of the tokens in the BlockStatement by 1 indent level from the opening curly
+ *    brace of the BlockStatement.
+ * 3. After traversing the AST, calculate the expected indentation levels of every token according to the
+ *    OffsetStorage container.
+ * 4. For each line, compare the expected indentation of the first token to the actual indentation in the file,
+ *    and report the token if the two values are not equal.
+ */
+
+/**
+ * A mutable balanced binary search tree that stores (key, value) pairs. The keys are numeric, and must be unique.
+ * This is intended to be a generic wrapper around a balanced binary search tree library, so that the underlying implementation
+ * can easily be swapped out.
+ */
+
+class BinarySearchTree {
+  /**
+   * Creates an empty tree
+   */
+  constructor() {
+    this._rbTree = createTree();
+  }
+  /**
+   * Inserts an entry into the tree.
+   * @param {number} key The entry's key
+   * @param {*} value The entry's value
+   * @returns {void}
+   */
+
+
+  insert(key, value) {
+    const iterator = this._rbTree.find(key);
+
+    if (iterator.valid) {
+      this._rbTree = iterator.update(value);
+    } else {
+      this._rbTree = this._rbTree.insert(key, value);
+    }
+  }
+  /**
+   * Finds the entry with the largest key less than or equal to the provided key
+   * @param {number} key The provided key
+   * @returns {{key: number, value: *}|null} The found entry, or null if no such entry exists.
+   */
+
+
+  findLe(key) {
+    const iterator = this._rbTree.le(key);
+
+    return iterator && {
+      key: iterator.key,
+      value: iterator.value
+    };
+  }
+  /**
+   * Deletes all of the keys in the interval [start, end)
+   * @param {number} start The start of the range
+   * @param {number} end The end of the range
+   * @returns {void}
+   */
+
+
+  deleteRange(start, end) {
+    // Exit without traversing the tree if the range has zero size.
+    if (start === end) {
+      return;
+    }
+
+    const iterator = this._rbTree.ge(start);
+
+    while (iterator.valid && iterator.key < end) {
+      this._rbTree = this._rbTree.remove(iterator.key);
+      iterator.next();
+    }
+  }
+
+}
+/**
+ * A helper class to get token-based info related to indentation
+ */
+
+
+class TokenInfo {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {SourceCode} sourceCode A SourceCode object
+   */
+  constructor(sourceCode) {
+    this.sourceCode = sourceCode;
+    this.firstTokensByLineNumber = sourceCode.tokensAndComments.reduce((map, token) => {
+      if (!map.has(token.loc.start.line)) {
+        map.set(token.loc.start.line, token);
+      }
+
+      if (!map.has(token.loc.end.line) && sourceCode.text.slice(token.range[1] - token.loc.end.column, token.range[1]).trim()) {
+        map.set(token.loc.end.line, token);
+      }
+
+      return map;
+    }, new Map());
+  }
+  /**
+   * Gets the first token on a given token's line
+   * @param {Token|ASTNode} token a node or token
+   * @returns {Token} The first token on the given line
+   */
+
+
+  getFirstTokenOfLine(token) {
+    return this.firstTokensByLineNumber.get(token.loc.start.line);
+  }
+  /**
+   * Determines whether a token is the first token in its line
+   * @param {Token} token The token
+   * @returns {boolean} `true` if the token is the first on its line
+   */
+
+
+  isFirstTokenOfLine(token) {
+    return this.getFirstTokenOfLine(token) === token;
+  }
+  /**
+   * Get the actual indent of a token
+   * @param {Token} token Token to examine. This should be the first token on its line.
+   * @returns {string} The indentation characters that precede the token
+   */
+
+
+  getTokenIndent(token) {
+    return this.sourceCode.text.slice(token.range[0] - token.loc.start.column, token.range[0]);
+  }
+
+}
+/**
+ * A class to store information on desired offsets of tokens from each other
+ */
+
+
+class OffsetStorage {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {TokenInfo} tokenInfo a TokenInfo instance
+   * @param {number} indentSize The desired size of each indentation level
+   * @param {string} indentType The indentation character
+   */
+  constructor(tokenInfo, indentSize, indentType) {
+    this._tokenInfo = tokenInfo;
+    this._indentSize = indentSize;
+    this._indentType = indentType;
+    this._tree = new BinarySearchTree();
+
+    this._tree.insert(0, {
+      offset: 0,
+      from: null,
+      force: false
+    });
+
+    this._lockedFirstTokens = new WeakMap();
+    this._desiredIndentCache = new WeakMap();
+    this._ignoredTokens = new WeakSet();
+  }
+
+  _getOffsetDescriptor(token) {
+    return this._tree.findLe(token.range[0]).value;
+  }
+  /**
+   * Sets the offset column of token B to match the offset column of token A.
+   * **WARNING**: This matches a *column*, even if baseToken is not the first token on its line. In
+   * most cases, `setDesiredOffset` should be used instead.
+   * @param {Token} baseToken The first token
+   * @param {Token} offsetToken The second token, whose offset should be matched to the first token
+   * @returns {void}
+   */
+
+
+  matchOffsetOf(baseToken, offsetToken) {
+    /*
+     * lockedFirstTokens is a map from a token whose indentation is controlled by the "first" option to
+     * the token that it depends on. For example, with the `ArrayExpression: first` option, the first
+     * token of each element in the array after the first will be mapped to the first token of the first
+     * element. The desired indentation of each of these tokens is computed based on the desired indentation
+     * of the "first" element, rather than through the normal offset mechanism.
+     */
+    this._lockedFirstTokens.set(offsetToken, baseToken);
+  }
+  /**
+   * Sets the desired offset of a token.
+   *
+   * This uses a line-based offset collapsing behavior to handle tokens on the same line.
+   * For example, consider the following two cases:
+   *
+   * (
+   *     [
+   *         bar
+   *     ]
+   * )
+   *
+   * ([
+   *     bar
+   * ])
+   *
+   * Based on the first case, it's clear that the `bar` token needs to have an offset of 1 indent level (4 spaces) from
+   * the `[` token, and the `[` token has to have an offset of 1 indent level from the `(` token. Since the `(` token is
+   * the first on its line (with an indent of 0 spaces), the `bar` token needs to be offset by 2 indent levels (8 spaces)
+   * from the start of its line.
+   *
+   * However, in the second case `bar` should only be indented by 4 spaces. This is because the offset of 1 indent level
+   * between the `(` and the `[` tokens gets "collapsed" because the two tokens are on the same line. As a result, the
+   * `(` token is mapped to the `[` token with an offset of 0, and the rule correctly decides that `bar` should be indented
+   * by 1 indent level from the start of the line.
+   *
+   * This is useful because rule listeners can usually just call `setDesiredOffset` for all the tokens in the node,
+   * without needing to check which lines those tokens are on.
+   *
+   * Note that since collapsing only occurs when two tokens are on the same line, there are a few cases where non-intuitive
+   * behavior can occur. For example, consider the following cases:
+   *
+   * foo(
+   * ).
+   *     bar(
+   *         baz
+   *     )
+   *
+   * foo(
+   * ).bar(
+   *     baz
+   * )
+   *
+   * Based on the first example, it would seem that `bar` should be offset by 1 indent level from `foo`, and `baz`
+   * should be offset by 1 indent level from `bar`. However, this is not correct, because it would result in `baz`
+   * being indented by 2 indent levels in the second case (since `foo`, `bar`, and `baz` are all on separate lines, no
+   * collapsing would occur).
+   *
+   * Instead, the correct way would be to offset `baz` by 1 level from `bar`, offset `bar` by 1 level from the `)`, and
+   * offset the `)` by 0 levels from `foo`. This ensures that the offset between `bar` and the `)` are correctly collapsed
+   * in the second case.
+   * @param {Token} token The token
+   * @param {Token} fromToken The token that `token` should be offset from
+   * @param {number} offset The desired indent level
+   * @returns {void}
+   */
+
+
+  setDesiredOffset(token, fromToken, offset) {
+    return this.setDesiredOffsets(token.range, fromToken, offset);
+  }
+  /**
+   * Sets the desired offset of all tokens in a range
+   * It's common for node listeners in this file to need to apply the same offset to a large, contiguous range of tokens.
+   * Moreover, the offset of any given token is usually updated multiple times (roughly once for each node that contains
+   * it). This means that the offset of each token is updated O(AST depth) times.
+   * It would not be performant to store and update the offsets for each token independently, because the rule would end
+   * up having a time complexity of O(number of tokens * AST depth), which is quite slow for large files.
+   *
+   * Instead, the offset tree is represented as a collection of contiguous offset ranges in a file. For example, the following
+   * list could represent the state of the offset tree at a given point:
+   *
+   * * Tokens starting in the interval [0, 15) are aligned with the beginning of the file
+   * * Tokens starting in the interval [15, 30) are offset by 1 indent level from the `bar` token
+   * * Tokens starting in the interval [30, 43) are offset by 1 indent level from the `foo` token
+   * * Tokens starting in the interval [43, 820) are offset by 2 indent levels from the `bar` token
+   * * Tokens starting in the interval [820, ∞) are offset by 1 indent level from the `baz` token
+   *
+   * The `setDesiredOffsets` methods inserts ranges like the ones above. The third line above would be inserted by using:
+   * `setDesiredOffsets([30, 43], fooToken, 1);`
+   * @param {[number, number]} range A [start, end] pair. All tokens with range[0] <= token.start < range[1] will have the offset applied.
+   * @param {Token} fromToken The token that this is offset from
+   * @param {number} offset The desired indent level
+   * @param {boolean} force `true` if this offset should not use the normal collapsing behavior. This should almost always be false.
+   * @returns {void}
+   */
+
+
+  setDesiredOffsets(range, fromToken, offset, force) {
+    /*
+     * Offset ranges are stored as a collection of nodes, where each node maps a numeric key to an offset
+     * descriptor. The tree for the example above would have the following nodes:
+     *
+     * * key: 0, value: { offset: 0, from: null }
+     * * key: 15, value: { offset: 1, from: barToken }
+     * * key: 30, value: { offset: 1, from: fooToken }
+     * * key: 43, value: { offset: 2, from: barToken }
+     * * key: 820, value: { offset: 1, from: bazToken }
+     *
+     * To find the offset descriptor for any given token, one needs to find the node with the largest key
+     * which is <= token.start. To make this operation fast, the nodes are stored in a balanced binary
+     * search tree indexed by key.
+     */
+    const descriptorToInsert = {
+      offset,
+      from: fromToken,
+      force
+    };
+
+    const descriptorAfterRange = this._tree.findLe(range[1]).value;
+
+    const fromTokenIsInRange = fromToken && fromToken.range[0] >= range[0] && fromToken.range[1] <= range[1];
+
+    const fromTokenDescriptor = fromTokenIsInRange && this._getOffsetDescriptor(fromToken); // First, remove any existing nodes in the range from the tree.
+
+
+    this._tree.deleteRange(range[0] + 1, range[1]); // Insert a new node into the tree for this range
+
+
+    this._tree.insert(range[0], descriptorToInsert);
+    /*
+     * To avoid circular offset dependencies, keep the `fromToken` token mapped to whatever it was mapped to previously,
+     * even if it's in the current range.
+     */
+
+
+    if (fromTokenIsInRange) {
+      this._tree.insert(fromToken.range[0], fromTokenDescriptor);
+
+      this._tree.insert(fromToken.range[1], descriptorToInsert);
+    }
+    /*
+     * To avoid modifying the offset of tokens after the range, insert another node to keep the offset of the following
+     * tokens the same as it was before.
+     */
+
+
+    this._tree.insert(range[1], descriptorAfterRange);
+  }
+  /**
+   * Gets the desired indent of a token
+   * @param {Token} token The token
+   * @returns {string} The desired indent of the token
+   */
+
+
+  getDesiredIndent(token) {
+    if (!this._desiredIndentCache.has(token)) {
+      if (this._ignoredTokens.has(token)) {
+        /*
+         * If the token is ignored, use the actual indent of the token as the desired indent.
+         * This ensures that no errors are reported for this token.
+         */
+        this._desiredIndentCache.set(token, this._tokenInfo.getTokenIndent(token));
+      } else if (this._lockedFirstTokens.has(token)) {
+        const firstToken = this._lockedFirstTokens.get(token);
+
+        this._desiredIndentCache.set(token, // (indentation for the first element's line)
+        this.getDesiredIndent(this._tokenInfo.getFirstTokenOfLine(firstToken)) + // (space between the start of the first element's line and the first element)
+        this._indentType.repeat(firstToken.loc.start.column - this._tokenInfo.getFirstTokenOfLine(firstToken).loc.start.column));
+      } else {
+        const offsetInfo = this._getOffsetDescriptor(token);
+
+        const offset = offsetInfo.from && offsetInfo.from.loc.start.line === token.loc.start.line && !/^\s*?\n/u.test(token.value) && !offsetInfo.force ? 0 : offsetInfo.offset * this._indentSize;
+
+        this._desiredIndentCache.set(token, (offsetInfo.from ? this.getDesiredIndent(offsetInfo.from) : "") + this._indentType.repeat(offset));
+      }
+    }
+
+    return this._desiredIndentCache.get(token);
+  }
+  /**
+   * Ignores a token, preventing it from being reported.
+   * @param {Token} token The token
+   * @returns {void}
+   */
+
+
+  ignoreToken(token) {
+    if (this._tokenInfo.isFirstTokenOfLine(token)) {
+      this._ignoredTokens.add(token);
+    }
+  }
+  /**
+   * Gets the first token that the given token's indentation is dependent on
+   * @param {Token} token The token
+   * @returns {Token} The token that the given token depends on, or `null` if the given token is at the top level
+   */
+
+
+  getFirstDependency(token) {
+    return this._getOffsetDescriptor(token).from;
+  }
+
+}
+
+const ELEMENT_LIST_SCHEMA = {
+  oneOf: [{
+    type: "integer",
+    minimum: 0
+  }, {
+    enum: ["first", "off"]
+  }]
+};
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent indentation",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/indent"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["tab"]
+      }, {
+        type: "integer",
+        minimum: 0
+      }]
+    }, {
+      type: "object",
+      properties: {
+        SwitchCase: {
+          type: "integer",
+          minimum: 0,
+          default: 0
+        },
+        VariableDeclarator: {
+          oneOf: [ELEMENT_LIST_SCHEMA, {
+            type: "object",
+            properties: {
+              var: ELEMENT_LIST_SCHEMA,
+              let: ELEMENT_LIST_SCHEMA,
+              const: ELEMENT_LIST_SCHEMA
+            },
+            additionalProperties: false
+          }]
+        },
+        outerIIFEBody: {
+          oneOf: [{
+            type: "integer",
+            minimum: 0
+          }, {
+            enum: ["off"]
+          }]
+        },
+        MemberExpression: {
+          oneOf: [{
+            type: "integer",
+            minimum: 0
+          }, {
+            enum: ["off"]
+          }]
+        },
+        FunctionDeclaration: {
+          type: "object",
+          properties: {
+            parameters: ELEMENT_LIST_SCHEMA,
+            body: {
+              type: "integer",
+              minimum: 0
+            }
+          },
+          additionalProperties: false
+        },
+        FunctionExpression: {
+          type: "object",
+          properties: {
+            parameters: ELEMENT_LIST_SCHEMA,
+            body: {
+              type: "integer",
+              minimum: 0
+            }
+          },
+          additionalProperties: false
+        },
+        CallExpression: {
+          type: "object",
+          properties: {
+            arguments: ELEMENT_LIST_SCHEMA
+          },
+          additionalProperties: false
+        },
+        ArrayExpression: ELEMENT_LIST_SCHEMA,
+        ObjectExpression: ELEMENT_LIST_SCHEMA,
+        ImportDeclaration: ELEMENT_LIST_SCHEMA,
+        flatTernaryExpressions: {
+          type: "boolean",
+          default: false
+        },
+        offsetTernaryExpressions: {
+          type: "boolean",
+          default: false
+        },
+        ignoredNodes: {
+          type: "array",
+          items: {
+            type: "string",
+            not: {
+              pattern: ":exit$"
+            }
+          }
+        },
+        ignoreComments: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      wrongIndentation: "Expected indentation of {{expected}} but found {{actual}}."
+    }
+  },
+
+  create(context) {
+    const DEFAULT_VARIABLE_INDENT = 1;
+    const DEFAULT_PARAMETER_INDENT = 1;
+    const DEFAULT_FUNCTION_BODY_INDENT = 1;
+    let indentType = "space";
+    let indentSize = 4;
+    const options = {
+      SwitchCase: 0,
+      VariableDeclarator: {
+        var: DEFAULT_VARIABLE_INDENT,
+        let: DEFAULT_VARIABLE_INDENT,
+        const: DEFAULT_VARIABLE_INDENT
+      },
+      outerIIFEBody: 1,
+      FunctionDeclaration: {
+        parameters: DEFAULT_PARAMETER_INDENT,
+        body: DEFAULT_FUNCTION_BODY_INDENT
+      },
+      FunctionExpression: {
+        parameters: DEFAULT_PARAMETER_INDENT,
+        body: DEFAULT_FUNCTION_BODY_INDENT
+      },
+      CallExpression: {
+        arguments: DEFAULT_PARAMETER_INDENT
+      },
+      MemberExpression: 1,
+      ArrayExpression: 1,
+      ObjectExpression: 1,
+      ImportDeclaration: 1,
+      flatTernaryExpressions: false,
+      ignoredNodes: [],
+      ignoreComments: false
+    };
+
+    if (context.options.length) {
+      if (context.options[0] === "tab") {
+        indentSize = 1;
+        indentType = "tab";
+      } else {
+        indentSize = context.options[0];
+        indentType = "space";
+      }
+
+      if (context.options[1]) {
+        Object.assign(options, context.options[1]);
+
+        if (typeof options.VariableDeclarator === "number" || options.VariableDeclarator === "first") {
+          options.VariableDeclarator = {
+            var: options.VariableDeclarator,
+            let: options.VariableDeclarator,
+            const: options.VariableDeclarator
+          };
+        }
+      }
+    }
+
+    const sourceCode = context.getSourceCode();
+    const tokenInfo = new TokenInfo(sourceCode);
+    const offsets = new OffsetStorage(tokenInfo, indentSize, indentType === "space" ? " " : "\t");
+    const parameterParens = new WeakSet();
+    /**
+     * Creates an error message for a line, given the expected/actual indentation.
+     * @param {int} expectedAmount The expected amount of indentation characters for this line
+     * @param {int} actualSpaces The actual number of indentation spaces that were found on this line
+     * @param {int} actualTabs The actual number of indentation tabs that were found on this line
+     * @returns {string} An error message for this line
+     */
+
+    function createErrorMessageData(expectedAmount, actualSpaces, actualTabs) {
+      const expectedStatement = "".concat(expectedAmount, " ").concat(indentType).concat(expectedAmount === 1 ? "" : "s"); // e.g. "2 tabs"
+
+      const foundSpacesWord = "space".concat(actualSpaces === 1 ? "" : "s"); // e.g. "space"
+
+      const foundTabsWord = "tab".concat(actualTabs === 1 ? "" : "s"); // e.g. "tabs"
+
+      let foundStatement;
+
+      if (actualSpaces > 0) {
+        /*
+         * Abbreviate the message if the expected indentation is also spaces.
+         * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces'
+         */
+        foundStatement = indentType === "space" ? actualSpaces : "".concat(actualSpaces, " ").concat(foundSpacesWord);
+      } else if (actualTabs > 0) {
+        foundStatement = indentType === "tab" ? actualTabs : "".concat(actualTabs, " ").concat(foundTabsWord);
+      } else {
+        foundStatement = "0";
+      }
+
+      return {
+        expected: expectedStatement,
+        actual: foundStatement
+      };
+    }
+    /**
+     * Reports a given indent violation
+     * @param {Token} token Token violating the indent rule
+     * @param {string} neededIndent Expected indentation string
+     * @returns {void}
+     */
+
+
+    function report(token, neededIndent) {
+      const actualIndent = Array.from(tokenInfo.getTokenIndent(token));
+      const numSpaces = actualIndent.filter(char => char === " ").length;
+      const numTabs = actualIndent.filter(char => char === "\t").length;
+      context.report({
+        node: token,
+        messageId: "wrongIndentation",
+        data: createErrorMessageData(neededIndent.length, numSpaces, numTabs),
+        loc: {
+          start: {
+            line: token.loc.start.line,
+            column: 0
+          },
+          end: {
+            line: token.loc.start.line,
+            column: token.loc.start.column
+          }
+        },
+
+        fix(fixer) {
+          const range = [token.range[0] - token.loc.start.column, token.range[0]];
+          const newText = neededIndent;
+          return fixer.replaceTextRange(range, newText);
+        }
+
+      });
+    }
+    /**
+     * Checks if a token's indentation is correct
+     * @param {Token} token Token to examine
+     * @param {string} desiredIndent Desired indentation of the string
+     * @returns {boolean} `true` if the token's indentation is correct
+     */
+
+
+    function validateTokenIndent(token, desiredIndent) {
+      const indentation = tokenInfo.getTokenIndent(token);
+      return indentation === desiredIndent || // To avoid conflicts with no-mixed-spaces-and-tabs, don't report mixed spaces and tabs.
+      indentation.includes(" ") && indentation.includes("\t");
+    }
+    /**
+     * Check to see if the node is a file level IIFE
+     * @param {ASTNode} node The function node to check.
+     * @returns {boolean} True if the node is the outer IIFE
+     */
+
+
+    function isOuterIIFE(node) {
+      /*
+       * Verify that the node is an IIFE
+       */
+      if (!node.parent || node.parent.type !== "CallExpression" || node.parent.callee !== node) {
+        return false;
+      }
+      /*
+       * Navigate legal ancestors to determine whether this IIFE is outer.
+       * A "legal ancestor" is an expression or statement that causes the function to get executed immediately.
+       * For example, `!(function(){})()` is an outer IIFE even though it is preceded by a ! operator.
+       */
+
+
+      let statement = node.parent && node.parent.parent;
+
+      while (statement.type === "UnaryExpression" && ["!", "~", "+", "-"].indexOf(statement.operator) > -1 || statement.type === "AssignmentExpression" || statement.type === "LogicalExpression" || statement.type === "SequenceExpression" || statement.type === "VariableDeclarator") {
+        statement = statement.parent;
+      }
+
+      return (statement.type === "ExpressionStatement" || statement.type === "VariableDeclaration") && statement.parent.type === "Program";
+    }
+    /**
+     * Counts the number of linebreaks that follow the last non-whitespace character in a string
+     * @param {string} string The string to check
+     * @returns {number} The number of JavaScript linebreaks that follow the last non-whitespace character,
+     * or the total number of linebreaks if the string is all whitespace.
+     */
+
+
+    function countTrailingLinebreaks(string) {
+      const trailingWhitespace = string.match(/\s*$/u)[0];
+      const linebreakMatches = trailingWhitespace.match(astUtils.createGlobalLinebreakMatcher());
+      return linebreakMatches === null ? 0 : linebreakMatches.length;
+    }
+    /**
+     * Check indentation for lists of elements (arrays, objects, function params)
+     * @param {ASTNode[]} elements List of elements that should be offset
+     * @param {Token} startToken The start token of the list that element should be aligned against, e.g. '['
+     * @param {Token} endToken The end token of the list, e.g. ']'
+     * @param {number|string} offset The amount that the elements should be offset
+     * @returns {void}
+     */
+
+
+    function addElementListIndent(elements, startToken, endToken, offset) {
+      /**
+       * Gets the first token of a given element, including surrounding parentheses.
+       * @param {ASTNode} element A node in the `elements` list
+       * @returns {Token} The first token of this element
+       */
+      function getFirstToken(element) {
+        let token = sourceCode.getTokenBefore(element);
+
+        while (astUtils.isOpeningParenToken(token) && token !== startToken) {
+          token = sourceCode.getTokenBefore(token);
+        }
+
+        return sourceCode.getTokenAfter(token);
+      } // Run through all the tokens in the list, and offset them by one indent level (mainly for comments, other things will end up overridden)
+
+
+      offsets.setDesiredOffsets([startToken.range[1], endToken.range[0]], startToken, typeof offset === "number" ? offset : 1);
+      offsets.setDesiredOffset(endToken, startToken, 0); // If the preference is "first" but there is no first element (e.g. sparse arrays w/ empty first slot), fall back to 1 level.
+
+      if (offset === "first" && elements.length && !elements[0]) {
+        return;
+      }
+
+      elements.forEach((element, index) => {
+        if (!element) {
+          // Skip holes in arrays
+          return;
+        }
+
+        if (offset === "off") {
+          // Ignore the first token of every element if the "off" option is used
+          offsets.ignoreToken(getFirstToken(element));
+        } // Offset the following elements correctly relative to the first element
+
+
+        if (index === 0) {
+          return;
+        }
+
+        if (offset === "first" && tokenInfo.isFirstTokenOfLine(getFirstToken(element))) {
+          offsets.matchOffsetOf(getFirstToken(elements[0]), getFirstToken(element));
+        } else {
+          const previousElement = elements[index - 1];
+          const firstTokenOfPreviousElement = previousElement && getFirstToken(previousElement);
+          const previousElementLastToken = previousElement && sourceCode.getLastToken(previousElement);
+
+          if (previousElement && previousElementLastToken.loc.end.line - countTrailingLinebreaks(previousElementLastToken.value) > startToken.loc.end.line) {
+            offsets.setDesiredOffsets([previousElement.range[1], element.range[1]], firstTokenOfPreviousElement, 0);
+          }
+        }
+      });
+    }
+    /**
+     * Check and decide whether to check for indentation for blockless nodes
+     * Scenarios are for or while statements without braces around them
+     * @param {ASTNode} node node to examine
+     * @returns {void}
+     */
+
+
+    function addBlocklessNodeIndent(node) {
+      if (node.type !== "BlockStatement") {
+        const lastParentToken = sourceCode.getTokenBefore(node, astUtils.isNotOpeningParenToken);
+        let firstBodyToken = sourceCode.getFirstToken(node);
+        let lastBodyToken = sourceCode.getLastToken(node);
+
+        while (astUtils.isOpeningParenToken(sourceCode.getTokenBefore(firstBodyToken)) && astUtils.isClosingParenToken(sourceCode.getTokenAfter(lastBodyToken))) {
+          firstBodyToken = sourceCode.getTokenBefore(firstBodyToken);
+          lastBodyToken = sourceCode.getTokenAfter(lastBodyToken);
+        }
+
+        offsets.setDesiredOffsets([firstBodyToken.range[0], lastBodyToken.range[1]], lastParentToken, 1);
+        /*
+         * For blockless nodes with semicolon-first style, don't indent the semicolon.
+         * e.g.
+         * if (foo) bar()
+         * ; [1, 2, 3].map(foo)
+         */
+
+        const lastToken = sourceCode.getLastToken(node);
+
+        if (node.type !== "EmptyStatement" && astUtils.isSemicolonToken(lastToken)) {
+          offsets.setDesiredOffset(lastToken, lastParentToken, 0);
+        }
+      }
+    }
+    /**
+     * Checks the indentation for nodes that are like function calls (`CallExpression` and `NewExpression`)
+     * @param {ASTNode} node A CallExpression or NewExpression node
+     * @returns {void}
+     */
+
+
+    function addFunctionCallIndent(node) {
+      let openingParen;
+
+      if (node.arguments.length) {
+        openingParen = sourceCode.getFirstTokenBetween(node.callee, node.arguments[0], astUtils.isOpeningParenToken);
+      } else {
+        openingParen = sourceCode.getLastToken(node, 1);
+      }
+
+      const closingParen = sourceCode.getLastToken(node);
+      parameterParens.add(openingParen);
+      parameterParens.add(closingParen);
+      const offsetAfterToken = node.callee.type === "TaggedTemplateExpression" ? sourceCode.getFirstToken(node.callee.quasi) : openingParen;
+      const offsetToken = sourceCode.getTokenBefore(offsetAfterToken);
+      offsets.setDesiredOffset(openingParen, offsetToken, 0);
+      addElementListIndent(node.arguments, openingParen, closingParen, options.CallExpression.arguments);
+    }
+    /**
+     * Checks the indentation of parenthesized values, given a list of tokens in a program
+     * @param {Token[]} tokens A list of tokens
+     * @returns {void}
+     */
+
+
+    function addParensIndent(tokens) {
+      const parenStack = [];
+      const parenPairs = [];
+      tokens.forEach(nextToken => {
+        // Accumulate a list of parenthesis pairs
+        if (astUtils.isOpeningParenToken(nextToken)) {
+          parenStack.push(nextToken);
+        } else if (astUtils.isClosingParenToken(nextToken)) {
+          parenPairs.unshift({
+            left: parenStack.pop(),
+            right: nextToken
+          });
+        }
+      });
+      parenPairs.forEach(pair => {
+        const leftParen = pair.left;
+        const rightParen = pair.right; // We only want to handle parens around expressions, so exclude parentheses that are in function parameters and function call arguments.
+
+        if (!parameterParens.has(leftParen) && !parameterParens.has(rightParen)) {
+          const parenthesizedTokens = new Set(sourceCode.getTokensBetween(leftParen, rightParen));
+          parenthesizedTokens.forEach(token => {
+            if (!parenthesizedTokens.has(offsets.getFirstDependency(token))) {
+              offsets.setDesiredOffset(token, leftParen, 1);
+            }
+          });
+        }
+
+        offsets.setDesiredOffset(rightParen, leftParen, 0);
+      });
+    }
+    /**
+     * Ignore all tokens within an unknown node whose offset do not depend
+     * on another token's offset within the unknown node
+     * @param {ASTNode} node Unknown Node
+     * @returns {void}
+     */
+
+
+    function ignoreNode(node) {
+      const unknownNodeTokens = new Set(sourceCode.getTokens(node, {
+        includeComments: true
+      }));
+      unknownNodeTokens.forEach(token => {
+        if (!unknownNodeTokens.has(offsets.getFirstDependency(token))) {
+          const firstTokenOfLine = tokenInfo.getFirstTokenOfLine(token);
+
+          if (token === firstTokenOfLine) {
+            offsets.ignoreToken(token);
+          } else {
+            offsets.setDesiredOffset(token, firstTokenOfLine, 0);
+          }
+        }
+      });
+    }
+    /**
+     * Check whether the given token is on the first line of a statement.
+     * @param {Token} token The token to check.
+     * @param {ASTNode} leafNode The expression node that the token belongs directly.
+     * @returns {boolean} `true` if the token is on the first line of a statement.
+     */
+
+
+    function isOnFirstLineOfStatement(token, leafNode) {
+      let node = leafNode;
+
+      while (node.parent && !node.parent.type.endsWith("Statement") && !node.parent.type.endsWith("Declaration")) {
+        node = node.parent;
+      }
+
+      node = node.parent;
+      return !node || node.loc.start.line === token.loc.start.line;
+    }
+    /**
+     * Check whether there are any blank (whitespace-only) lines between
+     * two tokens on separate lines.
+     * @param {Token} firstToken The first token.
+     * @param {Token} secondToken The second token.
+     * @returns {boolean} `true` if the tokens are on separate lines and
+     *   there exists a blank line between them, `false` otherwise.
+     */
+
+
+    function hasBlankLinesBetween(firstToken, secondToken) {
+      const firstTokenLine = firstToken.loc.end.line;
+      const secondTokenLine = secondToken.loc.start.line;
+
+      if (firstTokenLine === secondTokenLine || firstTokenLine === secondTokenLine - 1) {
+        return false;
+      }
+
+      for (let line = firstTokenLine + 1; line < secondTokenLine; ++line) {
+        if (!tokenInfo.firstTokensByLineNumber.has(line)) {
+          return true;
+        }
+      }
+
+      return false;
+    }
+
+    const ignoredNodeFirstTokens = new Set();
+    const baseOffsetListeners = {
+      "ArrayExpression, ArrayPattern"(node) {
+        const openingBracket = sourceCode.getFirstToken(node);
+        const closingBracket = sourceCode.getTokenAfter(lodash.findLast(node.elements) || openingBracket, astUtils.isClosingBracketToken);
+        addElementListIndent(node.elements, openingBracket, closingBracket, options.ArrayExpression);
+      },
+
+      "ObjectExpression, ObjectPattern"(node) {
+        const openingCurly = sourceCode.getFirstToken(node);
+        const closingCurly = sourceCode.getTokenAfter(node.properties.length ? node.properties[node.properties.length - 1] : openingCurly, astUtils.isClosingBraceToken);
+        addElementListIndent(node.properties, openingCurly, closingCurly, options.ObjectExpression);
+      },
+
+      ArrowFunctionExpression(node) {
+        const firstToken = sourceCode.getFirstToken(node);
+
+        if (astUtils.isOpeningParenToken(firstToken)) {
+          const openingParen = firstToken;
+          const closingParen = sourceCode.getTokenBefore(node.body, astUtils.isClosingParenToken);
+          parameterParens.add(openingParen);
+          parameterParens.add(closingParen);
+          addElementListIndent(node.params, openingParen, closingParen, options.FunctionExpression.parameters);
+        }
+
+        addBlocklessNodeIndent(node.body);
+      },
+
+      AssignmentExpression(node) {
+        const operator = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+        offsets.setDesiredOffsets([operator.range[0], node.range[1]], sourceCode.getLastToken(node.left), 1);
+        offsets.ignoreToken(operator);
+        offsets.ignoreToken(sourceCode.getTokenAfter(operator));
+      },
+
+      "BinaryExpression, LogicalExpression"(node) {
+        const operator = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+        /*
+         * For backwards compatibility, don't check BinaryExpression indents, e.g.
+         * var foo = bar &&
+         *                   baz;
+         */
+
+        const tokenAfterOperator = sourceCode.getTokenAfter(operator);
+        offsets.ignoreToken(operator);
+        offsets.ignoreToken(tokenAfterOperator);
+        offsets.setDesiredOffset(tokenAfterOperator, operator, 0);
+      },
+
+      "BlockStatement, ClassBody"(node) {
+        let blockIndentLevel;
+
+        if (node.parent && isOuterIIFE(node.parent)) {
+          blockIndentLevel = options.outerIIFEBody;
+        } else if (node.parent && (node.parent.type === "FunctionExpression" || node.parent.type === "ArrowFunctionExpression")) {
+          blockIndentLevel = options.FunctionExpression.body;
+        } else if (node.parent && node.parent.type === "FunctionDeclaration") {
+          blockIndentLevel = options.FunctionDeclaration.body;
+        } else {
+          blockIndentLevel = 1;
+        }
+        /*
+         * For blocks that aren't lone statements, ensure that the opening curly brace
+         * is aligned with the parent.
+         */
+
+
+        if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+          offsets.setDesiredOffset(sourceCode.getFirstToken(node), sourceCode.getFirstToken(node.parent), 0);
+        }
+
+        addElementListIndent(node.body, sourceCode.getFirstToken(node), sourceCode.getLastToken(node), blockIndentLevel);
+      },
+
+      CallExpression: addFunctionCallIndent,
+
+      "ClassDeclaration[superClass], ClassExpression[superClass]"(node) {
+        const classToken = sourceCode.getFirstToken(node);
+        const extendsToken = sourceCode.getTokenBefore(node.superClass, astUtils.isNotOpeningParenToken);
+        offsets.setDesiredOffsets([extendsToken.range[0], node.body.range[0]], classToken, 1);
+      },
+
+      ConditionalExpression(node) {
+        const firstToken = sourceCode.getFirstToken(node); // `flatTernaryExpressions` option is for the following style:
+        // var a =
+        //     foo > 0 ? bar :
+        //     foo < 0 ? baz :
+        //     /*else*/ qiz ;
+
+        if (!options.flatTernaryExpressions || !astUtils.isTokenOnSameLine(node.test, node.consequent) || isOnFirstLineOfStatement(firstToken, node)) {
+          const questionMarkToken = sourceCode.getFirstTokenBetween(node.test, node.consequent, token => token.type === "Punctuator" && token.value === "?");
+          const colonToken = sourceCode.getFirstTokenBetween(node.consequent, node.alternate, token => token.type === "Punctuator" && token.value === ":");
+          const firstConsequentToken = sourceCode.getTokenAfter(questionMarkToken);
+          const lastConsequentToken = sourceCode.getTokenBefore(colonToken);
+          const firstAlternateToken = sourceCode.getTokenAfter(colonToken);
+          offsets.setDesiredOffset(questionMarkToken, firstToken, 1);
+          offsets.setDesiredOffset(colonToken, firstToken, 1);
+          offsets.setDesiredOffset(firstConsequentToken, firstToken, options.offsetTernaryExpressions ? 2 : 1);
+          /*
+           * The alternate and the consequent should usually have the same indentation.
+           * If they share part of a line, align the alternate against the first token of the consequent.
+           * This allows the alternate to be indented correctly in cases like this:
+           * foo ? (
+           *   bar
+           * ) : ( // this '(' is aligned with the '(' above, so it's considered to be aligned with `foo`
+           *   baz // as a result, `baz` is offset by 1 rather than 2
+           * )
+           */
+
+          if (lastConsequentToken.loc.end.line === firstAlternateToken.loc.start.line) {
+            offsets.setDesiredOffset(firstAlternateToken, firstConsequentToken, 0);
+          } else {
+            /**
+             * If the alternate and consequent do not share part of a line, offset the alternate from the first
+             * token of the conditional expression. For example:
+             * foo ? bar
+             *   : baz
+             *
+             * If `baz` were aligned with `bar` rather than being offset by 1 from `foo`, `baz` would end up
+             * having no expected indentation.
+             */
+            offsets.setDesiredOffset(firstAlternateToken, firstToken, firstAlternateToken.type === "Punctuator" && options.offsetTernaryExpressions ? 2 : 1);
+          }
+        }
+      },
+
+      "DoWhileStatement, WhileStatement, ForInStatement, ForOfStatement": node => addBlocklessNodeIndent(node.body),
+
+      ExportNamedDeclaration(node) {
+        if (node.declaration === null) {
+          const closingCurly = sourceCode.getLastToken(node, astUtils.isClosingBraceToken); // Indent the specifiers in `export {foo, bar, baz}`
+
+          addElementListIndent(node.specifiers, sourceCode.getFirstToken(node, {
+            skip: 1
+          }), closingCurly, 1);
+
+          if (node.source) {
+            // Indent everything after and including the `from` token in `export {foo, bar, baz} from 'qux'`
+            offsets.setDesiredOffsets([closingCurly.range[1], node.range[1]], sourceCode.getFirstToken(node), 1);
+          }
+        }
+      },
+
+      ForStatement(node) {
+        const forOpeningParen = sourceCode.getFirstToken(node, 1);
+
+        if (node.init) {
+          offsets.setDesiredOffsets(node.init.range, forOpeningParen, 1);
+        }
+
+        if (node.test) {
+          offsets.setDesiredOffsets(node.test.range, forOpeningParen, 1);
+        }
+
+        if (node.update) {
+          offsets.setDesiredOffsets(node.update.range, forOpeningParen, 1);
+        }
+
+        addBlocklessNodeIndent(node.body);
+      },
+
+      "FunctionDeclaration, FunctionExpression"(node) {
+        const closingParen = sourceCode.getTokenBefore(node.body);
+        const openingParen = sourceCode.getTokenBefore(node.params.length ? node.params[0] : closingParen);
+        parameterParens.add(openingParen);
+        parameterParens.add(closingParen);
+        addElementListIndent(node.params, openingParen, closingParen, options[node.type].parameters);
+      },
+
+      IfStatement(node) {
+        addBlocklessNodeIndent(node.consequent);
+
+        if (node.alternate && node.alternate.type !== "IfStatement") {
+          addBlocklessNodeIndent(node.alternate);
+        }
+      },
+
+      ImportDeclaration(node) {
+        if (node.specifiers.some(specifier => specifier.type === "ImportSpecifier")) {
+          const openingCurly = sourceCode.getFirstToken(node, astUtils.isOpeningBraceToken);
+          const closingCurly = sourceCode.getLastToken(node, astUtils.isClosingBraceToken);
+          addElementListIndent(node.specifiers.filter(specifier => specifier.type === "ImportSpecifier"), openingCurly, closingCurly, options.ImportDeclaration);
+        }
+
+        const fromToken = sourceCode.getLastToken(node, token => token.type === "Identifier" && token.value === "from");
+        const sourceToken = sourceCode.getLastToken(node, token => token.type === "String");
+        const semiToken = sourceCode.getLastToken(node, token => token.type === "Punctuator" && token.value === ";");
+
+        if (fromToken) {
+          const end = semiToken && semiToken.range[1] === sourceToken.range[1] ? node.range[1] : sourceToken.range[1];
+          offsets.setDesiredOffsets([fromToken.range[0], end], sourceCode.getFirstToken(node), 1);
+        }
+      },
+
+      ImportExpression(node) {
+        const openingParen = sourceCode.getFirstToken(node, 1);
+        const closingParen = sourceCode.getLastToken(node);
+        parameterParens.add(openingParen);
+        parameterParens.add(closingParen);
+        offsets.setDesiredOffset(openingParen, sourceCode.getTokenBefore(openingParen), 0);
+        addElementListIndent([node.source], openingParen, closingParen, options.CallExpression.arguments);
+      },
+
+      "MemberExpression, JSXMemberExpression, MetaProperty"(node) {
+        const object = node.type === "MetaProperty" ? node.meta : node.object;
+        const firstNonObjectToken = sourceCode.getFirstTokenBetween(object, node.property, astUtils.isNotClosingParenToken);
+        const secondNonObjectToken = sourceCode.getTokenAfter(firstNonObjectToken);
+        const objectParenCount = sourceCode.getTokensBetween(object, node.property, {
+          filter: astUtils.isClosingParenToken
+        }).length;
+        const firstObjectToken = objectParenCount ? sourceCode.getTokenBefore(object, {
+          skip: objectParenCount - 1
+        }) : sourceCode.getFirstToken(object);
+        const lastObjectToken = sourceCode.getTokenBefore(firstNonObjectToken);
+        const firstPropertyToken = node.computed ? firstNonObjectToken : secondNonObjectToken;
+
+        if (node.computed) {
+          // For computed MemberExpressions, match the closing bracket with the opening bracket.
+          offsets.setDesiredOffset(sourceCode.getLastToken(node), firstNonObjectToken, 0);
+          offsets.setDesiredOffsets(node.property.range, firstNonObjectToken, 1);
+        }
+        /*
+         * If the object ends on the same line that the property starts, match against the last token
+         * of the object, to ensure that the MemberExpression is not indented.
+         *
+         * Otherwise, match against the first token of the object, e.g.
+         * foo
+         *   .bar
+         *   .baz // <-- offset by 1 from `foo`
+         */
+
+
+        const offsetBase = lastObjectToken.loc.end.line === firstPropertyToken.loc.start.line ? lastObjectToken : firstObjectToken;
+
+        if (typeof options.MemberExpression === "number") {
+          // Match the dot (for non-computed properties) or the opening bracket (for computed properties) against the object.
+          offsets.setDesiredOffset(firstNonObjectToken, offsetBase, options.MemberExpression);
+          /*
+           * For computed MemberExpressions, match the first token of the property against the opening bracket.
+           * Otherwise, match the first token of the property against the object.
+           */
+
+          offsets.setDesiredOffset(secondNonObjectToken, node.computed ? firstNonObjectToken : offsetBase, options.MemberExpression);
+        } else {
+          // If the MemberExpression option is off, ignore the dot and the first token of the property.
+          offsets.ignoreToken(firstNonObjectToken);
+          offsets.ignoreToken(secondNonObjectToken); // To ignore the property indentation, ensure that the property tokens depend on the ignored tokens.
+
+          offsets.setDesiredOffset(firstNonObjectToken, offsetBase, 0);
+          offsets.setDesiredOffset(secondNonObjectToken, firstNonObjectToken, 0);
+        }
+      },
+
+      NewExpression(node) {
+        // Only indent the arguments if the NewExpression has parens (e.g. `new Foo(bar)` or `new Foo()`, but not `new Foo`
+        if (node.arguments.length > 0 || astUtils.isClosingParenToken(sourceCode.getLastToken(node)) && astUtils.isOpeningParenToken(sourceCode.getLastToken(node, 1))) {
+          addFunctionCallIndent(node);
+        }
+      },
+
+      Property(node) {
+        if (!node.shorthand && !node.method && node.kind === "init") {
+          const colon = sourceCode.getFirstTokenBetween(node.key, node.value, astUtils.isColonToken);
+          offsets.ignoreToken(sourceCode.getTokenAfter(colon));
+        }
+      },
+
+      SwitchStatement(node) {
+        const openingCurly = sourceCode.getTokenAfter(node.discriminant, astUtils.isOpeningBraceToken);
+        const closingCurly = sourceCode.getLastToken(node);
+        offsets.setDesiredOffsets([openingCurly.range[1], closingCurly.range[0]], openingCurly, options.SwitchCase);
+
+        if (node.cases.length) {
+          sourceCode.getTokensBetween(node.cases[node.cases.length - 1], closingCurly, {
+            includeComments: true,
+            filter: astUtils.isCommentToken
+          }).forEach(token => offsets.ignoreToken(token));
+        }
+      },
+
+      SwitchCase(node) {
+        if (!(node.consequent.length === 1 && node.consequent[0].type === "BlockStatement")) {
+          const caseKeyword = sourceCode.getFirstToken(node);
+          const tokenAfterCurrentCase = sourceCode.getTokenAfter(node);
+          offsets.setDesiredOffsets([caseKeyword.range[1], tokenAfterCurrentCase.range[0]], caseKeyword, 1);
+        }
+      },
+
+      TemplateLiteral(node) {
+        node.expressions.forEach((expression, index) => {
+          const previousQuasi = node.quasis[index];
+          const nextQuasi = node.quasis[index + 1];
+          const tokenToAlignFrom = previousQuasi.loc.start.line === previousQuasi.loc.end.line ? sourceCode.getFirstToken(previousQuasi) : null;
+          offsets.setDesiredOffsets([previousQuasi.range[1], nextQuasi.range[0]], tokenToAlignFrom, 1);
+          offsets.setDesiredOffset(sourceCode.getFirstToken(nextQuasi), tokenToAlignFrom, 0);
+        });
+      },
+
+      VariableDeclaration(node) {
+        let variableIndent = Object.prototype.hasOwnProperty.call(options.VariableDeclarator, node.kind) ? options.VariableDeclarator[node.kind] : DEFAULT_VARIABLE_INDENT;
+        const firstToken = sourceCode.getFirstToken(node),
+              lastToken = sourceCode.getLastToken(node);
+
+        if (options.VariableDeclarator[node.kind] === "first") {
+          if (node.declarations.length > 1) {
+            addElementListIndent(node.declarations, firstToken, lastToken, "first");
+            return;
+          }
+
+          variableIndent = DEFAULT_VARIABLE_INDENT;
+        }
+
+        if (node.declarations[node.declarations.length - 1].loc.start.line > node.loc.start.line) {
+          /*
+           * VariableDeclarator indentation is a bit different from other forms of indentation, in that the
+           * indentation of an opening bracket sometimes won't match that of a closing bracket. For example,
+           * the following indentations are correct:
+           *
+           * var foo = {
+           *   ok: true
+           * };
+           *
+           * var foo = {
+           *     ok: true,
+           *   },
+           *   bar = 1;
+           *
+           * Account for when exiting the AST (after indentations have already been set for the nodes in
+           * the declaration) by manually increasing the indentation level of the tokens in this declarator
+           * on the same line as the start of the declaration, provided that there are declarators that
+           * follow this one.
+           */
+          offsets.setDesiredOffsets(node.range, firstToken, variableIndent, true);
+        } else {
+          offsets.setDesiredOffsets(node.range, firstToken, variableIndent);
+        }
+
+        if (astUtils.isSemicolonToken(lastToken)) {
+          offsets.ignoreToken(lastToken);
+        }
+      },
+
+      VariableDeclarator(node) {
+        if (node.init) {
+          const equalOperator = sourceCode.getTokenBefore(node.init, astUtils.isNotOpeningParenToken);
+          const tokenAfterOperator = sourceCode.getTokenAfter(equalOperator);
+          offsets.ignoreToken(equalOperator);
+          offsets.ignoreToken(tokenAfterOperator);
+          offsets.setDesiredOffsets([tokenAfterOperator.range[0], node.range[1]], equalOperator, 1);
+          offsets.setDesiredOffset(equalOperator, sourceCode.getLastToken(node.id), 0);
+        }
+      },
+
+      "JSXAttribute[value]"(node) {
+        const equalsToken = sourceCode.getFirstTokenBetween(node.name, node.value, token => token.type === "Punctuator" && token.value === "=");
+        offsets.setDesiredOffsets([equalsToken.range[0], node.value.range[1]], sourceCode.getFirstToken(node.name), 1);
+      },
+
+      JSXElement(node) {
+        if (node.closingElement) {
+          addElementListIndent(node.children, sourceCode.getFirstToken(node.openingElement), sourceCode.getFirstToken(node.closingElement), 1);
+        }
+      },
+
+      JSXOpeningElement(node) {
+        const firstToken = sourceCode.getFirstToken(node);
+        let closingToken;
+
+        if (node.selfClosing) {
+          closingToken = sourceCode.getLastToken(node, {
+            skip: 1
+          });
+          offsets.setDesiredOffset(sourceCode.getLastToken(node), closingToken, 0);
+        } else {
+          closingToken = sourceCode.getLastToken(node);
+        }
+
+        offsets.setDesiredOffsets(node.name.range, sourceCode.getFirstToken(node));
+        addElementListIndent(node.attributes, firstToken, closingToken, 1);
+      },
+
+      JSXClosingElement(node) {
+        const firstToken = sourceCode.getFirstToken(node);
+        offsets.setDesiredOffsets(node.name.range, firstToken, 1);
+      },
+
+      JSXFragment(node) {
+        const firstOpeningToken = sourceCode.getFirstToken(node.openingFragment);
+        const firstClosingToken = sourceCode.getFirstToken(node.closingFragment);
+        addElementListIndent(node.children, firstOpeningToken, firstClosingToken, 1);
+      },
+
+      JSXOpeningFragment(node) {
+        const firstToken = sourceCode.getFirstToken(node);
+        const closingToken = sourceCode.getLastToken(node);
+        offsets.setDesiredOffsets(node.range, firstToken, 1);
+        offsets.matchOffsetOf(firstToken, closingToken);
+      },
+
+      JSXClosingFragment(node) {
+        const firstToken = sourceCode.getFirstToken(node);
+        const slashToken = sourceCode.getLastToken(node, {
+          skip: 1
+        });
+        const closingToken = sourceCode.getLastToken(node);
+        const tokenToMatch = astUtils.isTokenOnSameLine(slashToken, closingToken) ? slashToken : closingToken;
+        offsets.setDesiredOffsets(node.range, firstToken, 1);
+        offsets.matchOffsetOf(firstToken, tokenToMatch);
+      },
+
+      JSXExpressionContainer(node) {
+        const openingCurly = sourceCode.getFirstToken(node);
+        const closingCurly = sourceCode.getLastToken(node);
+        offsets.setDesiredOffsets([openingCurly.range[1], closingCurly.range[0]], openingCurly, 1);
+      },
+
+      JSXSpreadAttribute(node) {
+        const openingCurly = sourceCode.getFirstToken(node);
+        const closingCurly = sourceCode.getLastToken(node);
+        offsets.setDesiredOffsets([openingCurly.range[1], closingCurly.range[0]], openingCurly, 1);
+      },
+
+      "*"(node) {
+        const firstToken = sourceCode.getFirstToken(node); // Ensure that the children of every node are indented at least as much as the first token.
+
+        if (firstToken && !ignoredNodeFirstTokens.has(firstToken)) {
+          offsets.setDesiredOffsets(node.range, firstToken, 0);
+        }
+      }
+
+    };
+    const listenerCallQueue = [];
+    /*
+     * To ignore the indentation of a node:
+     * 1. Don't call the node's listener when entering it (if it has a listener)
+     * 2. Don't set any offsets against the first token of the node.
+     * 3. Call `ignoreNode` on the node sometime after exiting it and before validating offsets.
+     */
+
+    const offsetListeners = lodash.mapValues(baseOffsetListeners,
+    /*
+     * Offset listener calls are deferred until traversal is finished, and are called as
+     * part of the final `Program:exit` listener. This is necessary because a node might
+     * be matched by multiple selectors.
+     *
+     * Example: Suppose there is an offset listener for `Identifier`, and the user has
+     * specified in configuration that `MemberExpression > Identifier` should be ignored.
+     * Due to selector specificity rules, the `Identifier` listener will get called first. However,
+     * if a given Identifier node is supposed to be ignored, then the `Identifier` offset listener
+     * should not have been called at all. Without doing extra selector matching, we don't know
+     * whether the Identifier matches the `MemberExpression > Identifier` selector until the
+     * `MemberExpression > Identifier` listener is called.
+     *
+     * To avoid this, the `Identifier` listener isn't called until traversal finishes and all
+     * ignored nodes are known.
+     */
+    listener => node => listenerCallQueue.push({
+      listener,
+      node
+    })); // For each ignored node selector, set up a listener to collect it into the `ignoredNodes` set.
+
+    const ignoredNodes = new Set();
+    /**
+     * Ignores a node
+     * @param {ASTNode} node The node to ignore
+     * @returns {void}
+     */
+
+    function addToIgnoredNodes(node) {
+      ignoredNodes.add(node);
+      ignoredNodeFirstTokens.add(sourceCode.getFirstToken(node));
+    }
+
+    const ignoredNodeListeners = options.ignoredNodes.reduce((listeners, ignoredSelector) => Object.assign(listeners, {
+      [ignoredSelector]: addToIgnoredNodes
+    }), {});
+    /*
+     * Join the listeners, and add a listener to verify that all tokens actually have the correct indentation
+     * at the end.
+     *
+     * Using Object.assign will cause some offset listeners to be overwritten if the same selector also appears
+     * in `ignoredNodeListeners`. This isn't a problem because all of the matching nodes will be ignored,
+     * so those listeners wouldn't be called anyway.
+     */
+
+    return Object.assign(offsetListeners, ignoredNodeListeners, {
+      "*:exit"(node) {
+        // If a node's type is nonstandard, we can't tell how its children should be offset, so ignore it.
+        if (!KNOWN_NODES.has(node.type)) {
+          addToIgnoredNodes(node);
+        }
+      },
+
+      "Program:exit"() {
+        // If ignoreComments option is enabled, ignore all comment tokens.
+        if (options.ignoreComments) {
+          sourceCode.getAllComments().forEach(comment => offsets.ignoreToken(comment));
+        } // Invoke the queued offset listeners for the nodes that aren't ignored.
+
+
+        listenerCallQueue.filter(nodeInfo => !ignoredNodes.has(nodeInfo.node)).forEach(nodeInfo => nodeInfo.listener(nodeInfo.node)); // Update the offsets for ignored nodes to prevent their child tokens from being reported.
+
+        ignoredNodes.forEach(ignoreNode);
+        addParensIndent(sourceCode.ast.tokens);
+        /*
+         * Create a Map from (tokenOrComment) => (precedingToken).
+         * This is necessary because sourceCode.getTokenBefore does not handle a comment as an argument correctly.
+         */
+
+        const precedingTokens = sourceCode.ast.comments.reduce((commentMap, comment) => {
+          const tokenOrCommentBefore = sourceCode.getTokenBefore(comment, {
+            includeComments: true
+          });
+          return commentMap.set(comment, commentMap.has(tokenOrCommentBefore) ? commentMap.get(tokenOrCommentBefore) : tokenOrCommentBefore);
+        }, new WeakMap());
+        sourceCode.lines.forEach((line, lineIndex) => {
+          const lineNumber = lineIndex + 1;
+
+          if (!tokenInfo.firstTokensByLineNumber.has(lineNumber)) {
+            // Don't check indentation on blank lines
+            return;
+          }
+
+          const firstTokenOfLine = tokenInfo.firstTokensByLineNumber.get(lineNumber);
+
+          if (firstTokenOfLine.loc.start.line !== lineNumber) {
+            // Don't check the indentation of multi-line tokens (e.g. template literals or block comments) twice.
+            return;
+          }
+
+          if (astUtils.isCommentToken(firstTokenOfLine)) {
+            const tokenBefore = precedingTokens.get(firstTokenOfLine);
+            const tokenAfter = tokenBefore ? sourceCode.getTokenAfter(tokenBefore) : sourceCode.ast.tokens[0];
+            const mayAlignWithBefore = tokenBefore && !hasBlankLinesBetween(tokenBefore, firstTokenOfLine);
+            const mayAlignWithAfter = tokenAfter && !hasBlankLinesBetween(firstTokenOfLine, tokenAfter);
+            /*
+             * If a comment precedes a line that begins with a semicolon token, align to that token, i.e.
+             *
+             * let foo
+             * // comment
+             * ;(async () => {})()
+             */
+
+            if (tokenAfter && astUtils.isSemicolonToken(tokenAfter) && !astUtils.isTokenOnSameLine(firstTokenOfLine, tokenAfter)) {
+              offsets.setDesiredOffset(firstTokenOfLine, tokenAfter, 0);
+            } // If a comment matches the expected indentation of the token immediately before or after, don't report it.
+
+
+            if (mayAlignWithBefore && validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(tokenBefore)) || mayAlignWithAfter && validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(tokenAfter))) {
+              return;
+            }
+          } // If the token matches the expected indentation, don't report it.
+
+
+          if (validateTokenIndent(firstTokenOfLine, offsets.getDesiredIndent(firstTokenOfLine))) {
+            return;
+          } // Otherwise, report the token/comment.
+
+
+          report(firstTokenOfLine, offsets.getDesiredIndent(firstTokenOfLine));
+        });
+      }
+
+    });
+  }
+
+};
+
+/***/ }),
+/* 481 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = createRBTree;
+var RED = 0;
+var BLACK = 1;
+
+function RBNode(color, key, value, left, right, count) {
+  this._color = color;
+  this.key = key;
+  this.value = value;
+  this.left = left;
+  this.right = right;
+  this._count = count;
+}
+
+function cloneNode(node) {
+  return new RBNode(node._color, node.key, node.value, node.left, node.right, node._count);
+}
+
+function repaint(color, node) {
+  return new RBNode(color, node.key, node.value, node.left, node.right, node._count);
+}
+
+function recount(node) {
+  node._count = 1 + (node.left ? node.left._count : 0) + (node.right ? node.right._count : 0);
+}
+
+function RedBlackTree(compare, root) {
+  this._compare = compare;
+  this.root = root;
+}
+
+var proto = RedBlackTree.prototype;
+Object.defineProperty(proto, "keys", {
+  get: function get() {
+    var result = [];
+    this.forEach(function (k, v) {
+      result.push(k);
+    });
+    return result;
+  }
+});
+Object.defineProperty(proto, "values", {
+  get: function get() {
+    var result = [];
+    this.forEach(function (k, v) {
+      result.push(v);
+    });
+    return result;
+  }
+}); //Returns the number of nodes in the tree
+
+Object.defineProperty(proto, "length", {
+  get: function get() {
+    if (this.root) {
+      return this.root._count;
+    }
+
+    return 0;
+  }
+}); //Insert a new item into the tree
+
+proto.insert = function (key, value) {
+  var cmp = this._compare; //Find point to insert new node at
+
+  var n = this.root;
+  var n_stack = [];
+  var d_stack = [];
+
+  while (n) {
+    var d = cmp(key, n.key);
+    n_stack.push(n);
+    d_stack.push(d);
+
+    if (d <= 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  } //Rebuild path to leaf node
+
+
+  n_stack.push(new RBNode(RED, key, value, null, null, 1));
+
+  for (var s = n_stack.length - 2; s >= 0; --s) {
+    var n = n_stack[s];
+
+    if (d_stack[s] <= 0) {
+      n_stack[s] = new RBNode(n._color, n.key, n.value, n_stack[s + 1], n.right, n._count + 1);
+    } else {
+      n_stack[s] = new RBNode(n._color, n.key, n.value, n.left, n_stack[s + 1], n._count + 1);
+    }
+  } //Rebalance tree using rotations
+  //console.log("start insert", key, d_stack)
+
+
+  for (var s = n_stack.length - 1; s > 1; --s) {
+    var p = n_stack[s - 1];
+    var n = n_stack[s];
+
+    if (p._color === BLACK || n._color === BLACK) {
+      break;
+    }
+
+    var pp = n_stack[s - 2];
+
+    if (pp.left === p) {
+      if (p.left === n) {
+        var y = pp.right;
+
+        if (y && y._color === RED) {
+          //console.log("LLr")
+          p._color = BLACK;
+          pp.right = repaint(BLACK, y);
+          pp._color = RED;
+          s -= 1;
+        } else {
+          //console.log("LLb")
+          pp._color = RED;
+          pp.left = p.right;
+          p._color = BLACK;
+          p.right = pp;
+          n_stack[s - 2] = p;
+          n_stack[s - 1] = n;
+          recount(pp);
+          recount(p);
+
+          if (s >= 3) {
+            var ppp = n_stack[s - 3];
+
+            if (ppp.left === pp) {
+              ppp.left = p;
+            } else {
+              ppp.right = p;
+            }
+          }
+
+          break;
+        }
+      } else {
+        var y = pp.right;
+
+        if (y && y._color === RED) {
+          //console.log("LRr")
+          p._color = BLACK;
+          pp.right = repaint(BLACK, y);
+          pp._color = RED;
+          s -= 1;
+        } else {
+          //console.log("LRb")
+          p.right = n.left;
+          pp._color = RED;
+          pp.left = n.right;
+          n._color = BLACK;
+          n.left = p;
+          n.right = pp;
+          n_stack[s - 2] = n;
+          n_stack[s - 1] = p;
+          recount(pp);
+          recount(p);
+          recount(n);
+
+          if (s >= 3) {
+            var ppp = n_stack[s - 3];
+
+            if (ppp.left === pp) {
+              ppp.left = n;
+            } else {
+              ppp.right = n;
+            }
+          }
+
+          break;
+        }
+      }
+    } else {
+      if (p.right === n) {
+        var y = pp.left;
+
+        if (y && y._color === RED) {
+          //console.log("RRr", y.key)
+          p._color = BLACK;
+          pp.left = repaint(BLACK, y);
+          pp._color = RED;
+          s -= 1;
+        } else {
+          //console.log("RRb")
+          pp._color = RED;
+          pp.right = p.left;
+          p._color = BLACK;
+          p.left = pp;
+          n_stack[s - 2] = p;
+          n_stack[s - 1] = n;
+          recount(pp);
+          recount(p);
+
+          if (s >= 3) {
+            var ppp = n_stack[s - 3];
+
+            if (ppp.right === pp) {
+              ppp.right = p;
+            } else {
+              ppp.left = p;
+            }
+          }
+
+          break;
+        }
+      } else {
+        var y = pp.left;
+
+        if (y && y._color === RED) {
+          //console.log("RLr")
+          p._color = BLACK;
+          pp.left = repaint(BLACK, y);
+          pp._color = RED;
+          s -= 1;
+        } else {
+          //console.log("RLb")
+          p.left = n.right;
+          pp._color = RED;
+          pp.right = n.left;
+          n._color = BLACK;
+          n.right = p;
+          n.left = pp;
+          n_stack[s - 2] = n;
+          n_stack[s - 1] = p;
+          recount(pp);
+          recount(p);
+          recount(n);
+
+          if (s >= 3) {
+            var ppp = n_stack[s - 3];
+
+            if (ppp.right === pp) {
+              ppp.right = n;
+            } else {
+              ppp.left = n;
+            }
+          }
+
+          break;
+        }
+      }
+    }
+  } //Return new tree
+
+
+  n_stack[0]._color = BLACK;
+  return new RedBlackTree(cmp, n_stack[0]);
+}; //Visit all nodes inorder
+
+
+function doVisitFull(visit, node) {
+  if (node.left) {
+    var v = doVisitFull(visit, node.left);
+
+    if (v) {
+      return v;
+    }
+  }
+
+  var v = visit(node.key, node.value);
+
+  if (v) {
+    return v;
+  }
+
+  if (node.right) {
+    return doVisitFull(visit, node.right);
+  }
+} //Visit half nodes in order
+
+
+function doVisitHalf(lo, compare, visit, node) {
+  var l = compare(lo, node.key);
+
+  if (l <= 0) {
+    if (node.left) {
+      var v = doVisitHalf(lo, compare, visit, node.left);
+
+      if (v) {
+        return v;
+      }
+    }
+
+    var v = visit(node.key, node.value);
+
+    if (v) {
+      return v;
+    }
+  }
+
+  if (node.right) {
+    return doVisitHalf(lo, compare, visit, node.right);
+  }
+} //Visit all nodes within a range
+
+
+function doVisit(lo, hi, compare, visit, node) {
+  var l = compare(lo, node.key);
+  var h = compare(hi, node.key);
+  var v;
+
+  if (l <= 0) {
+    if (node.left) {
+      v = doVisit(lo, hi, compare, visit, node.left);
+
+      if (v) {
+        return v;
+      }
+    }
+
+    if (h > 0) {
+      v = visit(node.key, node.value);
+
+      if (v) {
+        return v;
+      }
+    }
+  }
+
+  if (h > 0 && node.right) {
+    return doVisit(lo, hi, compare, visit, node.right);
+  }
+}
+
+proto.forEach = function rbTreeForEach(visit, lo, hi) {
+  if (!this.root) {
+    return;
+  }
+
+  switch (arguments.length) {
+    case 1:
+      return doVisitFull(visit, this.root);
+      break;
+
+    case 2:
+      return doVisitHalf(lo, this._compare, visit, this.root);
+      break;
+
+    case 3:
+      if (this._compare(lo, hi) >= 0) {
+        return;
+      }
+
+      return doVisit(lo, hi, this._compare, visit, this.root);
+      break;
+  }
+}; //First item in list
+
+
+Object.defineProperty(proto, "begin", {
+  get: function get() {
+    var stack = [];
+    var n = this.root;
+
+    while (n) {
+      stack.push(n);
+      n = n.left;
+    }
+
+    return new RedBlackTreeIterator(this, stack);
+  }
+}); //Last item in list
+
+Object.defineProperty(proto, "end", {
+  get: function get() {
+    var stack = [];
+    var n = this.root;
+
+    while (n) {
+      stack.push(n);
+      n = n.right;
+    }
+
+    return new RedBlackTreeIterator(this, stack);
+  }
+}); //Find the ith item in the tree
+
+proto.at = function (idx) {
+  if (idx < 0) {
+    return new RedBlackTreeIterator(this, []);
+  }
+
+  var n = this.root;
+  var stack = [];
+
+  while (true) {
+    stack.push(n);
+
+    if (n.left) {
+      if (idx < n.left._count) {
+        n = n.left;
+        continue;
+      }
+
+      idx -= n.left._count;
+    }
+
+    if (!idx) {
+      return new RedBlackTreeIterator(this, stack);
+    }
+
+    idx -= 1;
+
+    if (n.right) {
+      if (idx >= n.right._count) {
+        break;
+      }
+
+      n = n.right;
+    } else {
+      break;
+    }
+  }
+
+  return new RedBlackTreeIterator(this, []);
+};
+
+proto.ge = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+  var stack = [];
+  var last_ptr = 0;
+
+  while (n) {
+    var d = cmp(key, n.key);
+    stack.push(n);
+
+    if (d <= 0) {
+      last_ptr = stack.length;
+    }
+
+    if (d <= 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  stack.length = last_ptr;
+  return new RedBlackTreeIterator(this, stack);
+};
+
+proto.gt = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+  var stack = [];
+  var last_ptr = 0;
+
+  while (n) {
+    var d = cmp(key, n.key);
+    stack.push(n);
+
+    if (d < 0) {
+      last_ptr = stack.length;
+    }
+
+    if (d < 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  stack.length = last_ptr;
+  return new RedBlackTreeIterator(this, stack);
+};
+
+proto.lt = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+  var stack = [];
+  var last_ptr = 0;
+
+  while (n) {
+    var d = cmp(key, n.key);
+    stack.push(n);
+
+    if (d > 0) {
+      last_ptr = stack.length;
+    }
+
+    if (d <= 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  stack.length = last_ptr;
+  return new RedBlackTreeIterator(this, stack);
+};
+
+proto.le = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+  var stack = [];
+  var last_ptr = 0;
+
+  while (n) {
+    var d = cmp(key, n.key);
+    stack.push(n);
+
+    if (d >= 0) {
+      last_ptr = stack.length;
+    }
+
+    if (d < 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  stack.length = last_ptr;
+  return new RedBlackTreeIterator(this, stack);
+}; //Finds the item with key if it exists
+
+
+proto.find = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+  var stack = [];
+
+  while (n) {
+    var d = cmp(key, n.key);
+    stack.push(n);
+
+    if (d === 0) {
+      return new RedBlackTreeIterator(this, stack);
+    }
+
+    if (d <= 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  return new RedBlackTreeIterator(this, []);
+}; //Removes item with key from tree
+
+
+proto.remove = function (key) {
+  var iter = this.find(key);
+
+  if (iter) {
+    return iter.remove();
+  }
+
+  return this;
+}; //Returns the item at `key`
+
+
+proto.get = function (key) {
+  var cmp = this._compare;
+  var n = this.root;
+
+  while (n) {
+    var d = cmp(key, n.key);
+
+    if (d === 0) {
+      return n.value;
+    }
+
+    if (d <= 0) {
+      n = n.left;
+    } else {
+      n = n.right;
+    }
+  }
+
+  return;
+}; //Iterator for red black tree
+
+
+function RedBlackTreeIterator(tree, stack) {
+  this.tree = tree;
+  this._stack = stack;
+}
+
+var iproto = RedBlackTreeIterator.prototype; //Test if iterator is valid
+
+Object.defineProperty(iproto, "valid", {
+  get: function get() {
+    return this._stack.length > 0;
+  }
+}); //Node of the iterator
+
+Object.defineProperty(iproto, "node", {
+  get: function get() {
+    if (this._stack.length > 0) {
+      return this._stack[this._stack.length - 1];
+    }
+
+    return null;
+  },
+  enumerable: true
+}); //Makes a copy of an iterator
+
+iproto.clone = function () {
+  return new RedBlackTreeIterator(this.tree, this._stack.slice());
+}; //Swaps two nodes
+
+
+function swapNode(n, v) {
+  n.key = v.key;
+  n.value = v.value;
+  n.left = v.left;
+  n.right = v.right;
+  n._color = v._color;
+  n._count = v._count;
+} //Fix up a double black node in a tree
+
+
+function fixDoubleBlack(stack) {
+  var n, p, s, z;
+
+  for (var i = stack.length - 1; i >= 0; --i) {
+    n = stack[i];
+
+    if (i === 0) {
+      n._color = BLACK;
+      return;
+    } //console.log("visit node:", n.key, i, stack[i].key, stack[i-1].key)
+
+
+    p = stack[i - 1];
+
+    if (p.left === n) {
+      //console.log("left child")
+      s = p.right;
+
+      if (s.right && s.right._color === RED) {
+        //console.log("case 1: right sibling child red")
+        s = p.right = cloneNode(s);
+        z = s.right = cloneNode(s.right);
+        p.right = s.left;
+        s.left = p;
+        s.right = z;
+        s._color = p._color;
+        n._color = BLACK;
+        p._color = BLACK;
+        z._color = BLACK;
+        recount(p);
+        recount(s);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.left === p) {
+            pp.left = s;
+          } else {
+            pp.right = s;
+          }
+        }
+
+        stack[i - 1] = s;
+        return;
+      } else if (s.left && s.left._color === RED) {
+        //console.log("case 1: left sibling child red")
+        s = p.right = cloneNode(s);
+        z = s.left = cloneNode(s.left);
+        p.right = z.left;
+        s.left = z.right;
+        z.left = p;
+        z.right = s;
+        z._color = p._color;
+        p._color = BLACK;
+        s._color = BLACK;
+        n._color = BLACK;
+        recount(p);
+        recount(s);
+        recount(z);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.left === p) {
+            pp.left = z;
+          } else {
+            pp.right = z;
+          }
+        }
+
+        stack[i - 1] = z;
+        return;
+      }
+
+      if (s._color === BLACK) {
+        if (p._color === RED) {
+          //console.log("case 2: black sibling, red parent", p.right.value)
+          p._color = BLACK;
+          p.right = repaint(RED, s);
+          return;
+        } else {
+          //console.log("case 2: black sibling, black parent", p.right.value)
+          p.right = repaint(RED, s);
+          continue;
+        }
+      } else {
+        //console.log("case 3: red sibling")
+        s = cloneNode(s);
+        p.right = s.left;
+        s.left = p;
+        s._color = p._color;
+        p._color = RED;
+        recount(p);
+        recount(s);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.left === p) {
+            pp.left = s;
+          } else {
+            pp.right = s;
+          }
+        }
+
+        stack[i - 1] = s;
+        stack[i] = p;
+
+        if (i + 1 < stack.length) {
+          stack[i + 1] = n;
+        } else {
+          stack.push(n);
+        }
+
+        i = i + 2;
+      }
+    } else {
+      //console.log("right child")
+      s = p.left;
+
+      if (s.left && s.left._color === RED) {
+        //console.log("case 1: left sibling child red", p.value, p._color)
+        s = p.left = cloneNode(s);
+        z = s.left = cloneNode(s.left);
+        p.left = s.right;
+        s.right = p;
+        s.left = z;
+        s._color = p._color;
+        n._color = BLACK;
+        p._color = BLACK;
+        z._color = BLACK;
+        recount(p);
+        recount(s);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.right === p) {
+            pp.right = s;
+          } else {
+            pp.left = s;
+          }
+        }
+
+        stack[i - 1] = s;
+        return;
+      } else if (s.right && s.right._color === RED) {
+        //console.log("case 1: right sibling child red")
+        s = p.left = cloneNode(s);
+        z = s.right = cloneNode(s.right);
+        p.left = z.right;
+        s.right = z.left;
+        z.right = p;
+        z.left = s;
+        z._color = p._color;
+        p._color = BLACK;
+        s._color = BLACK;
+        n._color = BLACK;
+        recount(p);
+        recount(s);
+        recount(z);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.right === p) {
+            pp.right = z;
+          } else {
+            pp.left = z;
+          }
+        }
+
+        stack[i - 1] = z;
+        return;
+      }
+
+      if (s._color === BLACK) {
+        if (p._color === RED) {
+          //console.log("case 2: black sibling, red parent")
+          p._color = BLACK;
+          p.left = repaint(RED, s);
+          return;
+        } else {
+          //console.log("case 2: black sibling, black parent")
+          p.left = repaint(RED, s);
+          continue;
+        }
+      } else {
+        //console.log("case 3: red sibling")
+        s = cloneNode(s);
+        p.left = s.right;
+        s.right = p;
+        s._color = p._color;
+        p._color = RED;
+        recount(p);
+        recount(s);
+
+        if (i > 1) {
+          var pp = stack[i - 2];
+
+          if (pp.right === p) {
+            pp.right = s;
+          } else {
+            pp.left = s;
+          }
+        }
+
+        stack[i - 1] = s;
+        stack[i] = p;
+
+        if (i + 1 < stack.length) {
+          stack[i + 1] = n;
+        } else {
+          stack.push(n);
+        }
+
+        i = i + 2;
+      }
+    }
+  }
+} //Removes item at iterator from tree
+
+
+iproto.remove = function () {
+  var stack = this._stack;
+
+  if (stack.length === 0) {
+    return this.tree;
+  } //First copy path to node
+
+
+  var cstack = new Array(stack.length);
+  var n = stack[stack.length - 1];
+  cstack[cstack.length - 1] = new RBNode(n._color, n.key, n.value, n.left, n.right, n._count);
+
+  for (var i = stack.length - 2; i >= 0; --i) {
+    var n = stack[i];
+
+    if (n.left === stack[i + 1]) {
+      cstack[i] = new RBNode(n._color, n.key, n.value, cstack[i + 1], n.right, n._count);
+    } else {
+      cstack[i] = new RBNode(n._color, n.key, n.value, n.left, cstack[i + 1], n._count);
+    }
+  } //Get node
+
+
+  n = cstack[cstack.length - 1]; //console.log("start remove: ", n.value)
+  //If not leaf, then swap with previous node
+
+  if (n.left && n.right) {
+    //console.log("moving to leaf")
+    //First walk to previous leaf
+    var split = cstack.length;
+    n = n.left;
+
+    while (n.right) {
+      cstack.push(n);
+      n = n.right;
+    } //Copy path to leaf
+
+
+    var v = cstack[split - 1];
+    cstack.push(new RBNode(n._color, v.key, v.value, n.left, n.right, n._count));
+    cstack[split - 1].key = n.key;
+    cstack[split - 1].value = n.value; //Fix up stack
+
+    for (var i = cstack.length - 2; i >= split; --i) {
+      n = cstack[i];
+      cstack[i] = new RBNode(n._color, n.key, n.value, n.left, cstack[i + 1], n._count);
+    }
+
+    cstack[split - 1].left = cstack[split];
+  } //console.log("stack=", cstack.map(function(v) { return v.value }))
+  //Remove leaf node
+
+
+  n = cstack[cstack.length - 1];
+
+  if (n._color === RED) {
+    //Easy case: removing red leaf
+    //console.log("RED leaf")
+    var p = cstack[cstack.length - 2];
+
+    if (p.left === n) {
+      p.left = null;
+    } else if (p.right === n) {
+      p.right = null;
+    }
+
+    cstack.pop();
+
+    for (var i = 0; i < cstack.length; ++i) {
+      cstack[i]._count--;
+    }
+
+    return new RedBlackTree(this.tree._compare, cstack[0]);
+  } else {
+    if (n.left || n.right) {
+      //Second easy case:  Single child black parent
+      //console.log("BLACK single child")
+      if (n.left) {
+        swapNode(n, n.left);
+      } else if (n.right) {
+        swapNode(n, n.right);
+      } //Child must be red, so repaint it black to balance color
+
+
+      n._color = BLACK;
+
+      for (var i = 0; i < cstack.length - 1; ++i) {
+        cstack[i]._count--;
+      }
+
+      return new RedBlackTree(this.tree._compare, cstack[0]);
+    } else if (cstack.length === 1) {
+      //Third easy case: root
+      //console.log("ROOT")
+      return new RedBlackTree(this.tree._compare, null);
+    } else {
+      //Hard case: Repaint n, and then do some nasty stuff
+      //console.log("BLACK leaf no children")
+      for (var i = 0; i < cstack.length; ++i) {
+        cstack[i]._count--;
+      }
+
+      var parent = cstack[cstack.length - 2];
+      fixDoubleBlack(cstack); //Fix up links
+
+      if (parent.left === n) {
+        parent.left = null;
+      } else {
+        parent.right = null;
+      }
+    }
+  }
+
+  return new RedBlackTree(this.tree._compare, cstack[0]);
+}; //Returns key
+
+
+Object.defineProperty(iproto, "key", {
+  get: function get() {
+    if (this._stack.length > 0) {
+      return this._stack[this._stack.length - 1].key;
+    }
+
+    return;
+  },
+  enumerable: true
+}); //Returns value
+
+Object.defineProperty(iproto, "value", {
+  get: function get() {
+    if (this._stack.length > 0) {
+      return this._stack[this._stack.length - 1].value;
+    }
+
+    return;
+  },
+  enumerable: true
+}); //Returns the position of this iterator in the sorted list
+
+Object.defineProperty(iproto, "index", {
+  get: function get() {
+    var idx = 0;
+    var stack = this._stack;
+
+    if (stack.length === 0) {
+      var r = this.tree.root;
+
+      if (r) {
+        return r._count;
+      }
+
+      return 0;
+    } else if (stack[stack.length - 1].left) {
+      idx = stack[stack.length - 1].left._count;
+    }
+
+    for (var s = stack.length - 2; s >= 0; --s) {
+      if (stack[s + 1] === stack[s].right) {
+        ++idx;
+
+        if (stack[s].left) {
+          idx += stack[s].left._count;
+        }
+      }
+    }
+
+    return idx;
+  },
+  enumerable: true
+}); //Advances iterator to next element in list
+
+iproto.next = function () {
+  var stack = this._stack;
+
+  if (stack.length === 0) {
+    return;
+  }
+
+  var n = stack[stack.length - 1];
+
+  if (n.right) {
+    n = n.right;
+
+    while (n) {
+      stack.push(n);
+      n = n.left;
+    }
+  } else {
+    stack.pop();
+
+    while (stack.length > 0 && stack[stack.length - 1].right === n) {
+      n = stack[stack.length - 1];
+      stack.pop();
+    }
+  }
+}; //Checks if iterator is at end of tree
+
+
+Object.defineProperty(iproto, "hasNext", {
+  get: function get() {
+    var stack = this._stack;
+
+    if (stack.length === 0) {
+      return false;
+    }
+
+    if (stack[stack.length - 1].right) {
+      return true;
+    }
+
+    for (var s = stack.length - 1; s > 0; --s) {
+      if (stack[s - 1].left === stack[s]) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+}); //Update value
+
+iproto.update = function (value) {
+  var stack = this._stack;
+
+  if (stack.length === 0) {
+    throw new Error("Can't update empty node!");
+  }
+
+  var cstack = new Array(stack.length);
+  var n = stack[stack.length - 1];
+  cstack[cstack.length - 1] = new RBNode(n._color, n.key, value, n.left, n.right, n._count);
+
+  for (var i = stack.length - 2; i >= 0; --i) {
+    n = stack[i];
+
+    if (n.left === stack[i + 1]) {
+      cstack[i] = new RBNode(n._color, n.key, n.value, cstack[i + 1], n.right, n._count);
+    } else {
+      cstack[i] = new RBNode(n._color, n.key, n.value, n.left, cstack[i + 1], n._count);
+    }
+  }
+
+  return new RedBlackTree(this.tree._compare, cstack[0]);
+}; //Moves iterator backward one element
+
+
+iproto.prev = function () {
+  var stack = this._stack;
+
+  if (stack.length === 0) {
+    return;
+  }
+
+  var n = stack[stack.length - 1];
+
+  if (n.left) {
+    n = n.left;
+
+    while (n) {
+      stack.push(n);
+      n = n.right;
+    }
+  } else {
+    stack.pop();
+
+    while (stack.length > 0 && stack[stack.length - 1].left === n) {
+      n = stack[stack.length - 1];
+      stack.pop();
+    }
+  }
+}; //Checks if iterator is at start of tree
+
+
+Object.defineProperty(iproto, "hasPrev", {
+  get: function get() {
+    var stack = this._stack;
+
+    if (stack.length === 0) {
+      return false;
+    }
+
+    if (stack[stack.length - 1].left) {
+      return true;
+    }
+
+    for (var s = stack.length - 1; s > 0; --s) {
+      if (stack[s - 1].right === stack[s]) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+}); //Default comparison function
+
+function defaultCompare(a, b) {
+  if (a < b) {
+    return -1;
+  }
+
+  if (a > b) {
+    return 1;
+  }
+
+  return 0;
+} //Build a tree
+
+
+function createRBTree(compare) {
+  return new RedBlackTree(compare || defaultCompare, null);
+}
+
+/***/ }),
+/* 482 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview This option sets a specific tab width for your code
+ *
+ * This rule has been ported and modified from nodeca.
+ * @author Vitaly Puzrin
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/* istanbul ignore next: this rule has known coverage issues, but it's deprecated and shouldn't be updated in the future anyway. */
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent indentation",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/indent-legacy"
+    },
+    deprecated: true,
+    replacedBy: ["indent"],
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["tab"]
+      }, {
+        type: "integer",
+        minimum: 0
+      }]
+    }, {
+      type: "object",
+      properties: {
+        SwitchCase: {
+          type: "integer",
+          minimum: 0
+        },
+        VariableDeclarator: {
+          oneOf: [{
+            type: "integer",
+            minimum: 0
+          }, {
+            type: "object",
+            properties: {
+              var: {
+                type: "integer",
+                minimum: 0
+              },
+              let: {
+                type: "integer",
+                minimum: 0
+              },
+              const: {
+                type: "integer",
+                minimum: 0
+              }
+            }
+          }]
+        },
+        outerIIFEBody: {
+          type: "integer",
+          minimum: 0
+        },
+        MemberExpression: {
+          type: "integer",
+          minimum: 0
+        },
+        FunctionDeclaration: {
+          type: "object",
+          properties: {
+            parameters: {
+              oneOf: [{
+                type: "integer",
+                minimum: 0
+              }, {
+                enum: ["first"]
+              }]
+            },
+            body: {
+              type: "integer",
+              minimum: 0
+            }
+          }
+        },
+        FunctionExpression: {
+          type: "object",
+          properties: {
+            parameters: {
+              oneOf: [{
+                type: "integer",
+                minimum: 0
+              }, {
+                enum: ["first"]
+              }]
+            },
+            body: {
+              type: "integer",
+              minimum: 0
+            }
+          }
+        },
+        CallExpression: {
+          type: "object",
+          properties: {
+            parameters: {
+              oneOf: [{
+                type: "integer",
+                minimum: 0
+              }, {
+                enum: ["first"]
+              }]
+            }
+          }
+        },
+        ArrayExpression: {
+          oneOf: [{
+            type: "integer",
+            minimum: 0
+          }, {
+            enum: ["first"]
+          }]
+        },
+        ObjectExpression: {
+          oneOf: [{
+            type: "integer",
+            minimum: 0
+          }, {
+            enum: ["first"]
+          }]
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expected: "Expected indentation of {{expected}} but found {{actual}}."
+    }
+  },
+
+  create(context) {
+    const DEFAULT_VARIABLE_INDENT = 1;
+    const DEFAULT_PARAMETER_INDENT = null; // For backwards compatibility, don't check parameter indentation unless specified in the config
+
+    const DEFAULT_FUNCTION_BODY_INDENT = 1;
+    let indentType = "space";
+    let indentSize = 4;
+    const options = {
+      SwitchCase: 0,
+      VariableDeclarator: {
+        var: DEFAULT_VARIABLE_INDENT,
+        let: DEFAULT_VARIABLE_INDENT,
+        const: DEFAULT_VARIABLE_INDENT
+      },
+      outerIIFEBody: null,
+      FunctionDeclaration: {
+        parameters: DEFAULT_PARAMETER_INDENT,
+        body: DEFAULT_FUNCTION_BODY_INDENT
+      },
+      FunctionExpression: {
+        parameters: DEFAULT_PARAMETER_INDENT,
+        body: DEFAULT_FUNCTION_BODY_INDENT
+      },
+      CallExpression: {
+        arguments: DEFAULT_PARAMETER_INDENT
+      },
+      ArrayExpression: 1,
+      ObjectExpression: 1
+    };
+    const sourceCode = context.getSourceCode();
+
+    if (context.options.length) {
+      if (context.options[0] === "tab") {
+        indentSize = 1;
+        indentType = "tab";
+      } else
+        /* istanbul ignore else : this will be caught by options validation */
+        if (typeof context.options[0] === "number") {
+          indentSize = context.options[0];
+          indentType = "space";
+        }
+
+      if (context.options[1]) {
+        const opts = context.options[1];
+        options.SwitchCase = opts.SwitchCase || 0;
+        const variableDeclaratorRules = opts.VariableDeclarator;
+
+        if (typeof variableDeclaratorRules === "number") {
+          options.VariableDeclarator = {
+            var: variableDeclaratorRules,
+            let: variableDeclaratorRules,
+            const: variableDeclaratorRules
+          };
+        } else if (typeof variableDeclaratorRules === "object") {
+          Object.assign(options.VariableDeclarator, variableDeclaratorRules);
+        }
+
+        if (typeof opts.outerIIFEBody === "number") {
+          options.outerIIFEBody = opts.outerIIFEBody;
+        }
+
+        if (typeof opts.MemberExpression === "number") {
+          options.MemberExpression = opts.MemberExpression;
+        }
+
+        if (typeof opts.FunctionDeclaration === "object") {
+          Object.assign(options.FunctionDeclaration, opts.FunctionDeclaration);
+        }
+
+        if (typeof opts.FunctionExpression === "object") {
+          Object.assign(options.FunctionExpression, opts.FunctionExpression);
+        }
+
+        if (typeof opts.CallExpression === "object") {
+          Object.assign(options.CallExpression, opts.CallExpression);
+        }
+
+        if (typeof opts.ArrayExpression === "number" || typeof opts.ArrayExpression === "string") {
+          options.ArrayExpression = opts.ArrayExpression;
+        }
+
+        if (typeof opts.ObjectExpression === "number" || typeof opts.ObjectExpression === "string") {
+          options.ObjectExpression = opts.ObjectExpression;
+        }
+      }
+    }
+
+    const caseIndentStore = {};
+    /**
+     * Creates an error message for a line, given the expected/actual indentation.
+     * @param {int} expectedAmount The expected amount of indentation characters for this line
+     * @param {int} actualSpaces The actual number of indentation spaces that were found on this line
+     * @param {int} actualTabs The actual number of indentation tabs that were found on this line
+     * @returns {string} An error message for this line
+     */
+
+    function createErrorMessageData(expectedAmount, actualSpaces, actualTabs) {
+      const expectedStatement = "".concat(expectedAmount, " ").concat(indentType).concat(expectedAmount === 1 ? "" : "s"); // e.g. "2 tabs"
+
+      const foundSpacesWord = "space".concat(actualSpaces === 1 ? "" : "s"); // e.g. "space"
+
+      const foundTabsWord = "tab".concat(actualTabs === 1 ? "" : "s"); // e.g. "tabs"
+
+      let foundStatement;
+
+      if (actualSpaces > 0 && actualTabs > 0) {
+        foundStatement = "".concat(actualSpaces, " ").concat(foundSpacesWord, " and ").concat(actualTabs, " ").concat(foundTabsWord); // e.g. "1 space and 2 tabs"
+      } else if (actualSpaces > 0) {
+        /*
+         * Abbreviate the message if the expected indentation is also spaces.
+         * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces'
+         */
+        foundStatement = indentType === "space" ? actualSpaces : "".concat(actualSpaces, " ").concat(foundSpacesWord);
+      } else if (actualTabs > 0) {
+        foundStatement = indentType === "tab" ? actualTabs : "".concat(actualTabs, " ").concat(foundTabsWord);
+      } else {
+        foundStatement = "0";
+      }
+
+      return {
+        expected: expectedStatement,
+        actual: foundStatement
+      };
+    }
+    /**
+     * Reports a given indent violation
+     * @param {ASTNode} node Node violating the indent rule
+     * @param {int} needed Expected indentation character count
+     * @param {int} gottenSpaces Indentation space count in the actual node/code
+     * @param {int} gottenTabs Indentation tab count in the actual node/code
+     * @param {Object} [loc] Error line and column location
+     * @param {boolean} isLastNodeCheck Is the error for last node check
+     * @returns {void}
+     */
+
+
+    function report(node, needed, gottenSpaces, gottenTabs, loc, isLastNodeCheck) {
+      if (gottenSpaces && gottenTabs) {
+        // To avoid conflicts with `no-mixed-spaces-and-tabs`, don't report lines that have both spaces and tabs.
+        return;
+      }
+
+      const desiredIndent = (indentType === "space" ? " " : "\t").repeat(needed);
+      const textRange = isLastNodeCheck ? [node.range[1] - node.loc.end.column, node.range[1] - node.loc.end.column + gottenSpaces + gottenTabs] : [node.range[0] - node.loc.start.column, node.range[0] - node.loc.start.column + gottenSpaces + gottenTabs];
+      context.report({
+        node,
+        loc,
+        messageId: "expected",
+        data: createErrorMessageData(needed, gottenSpaces, gottenTabs),
+        fix: fixer => fixer.replaceTextRange(textRange, desiredIndent)
+      });
+    }
+    /**
+     * Get the actual indent of node
+     * @param {ASTNode|Token} node Node to examine
+     * @param {boolean} [byLastLine=false] get indent of node's last line
+     * @returns {Object} The node's indent. Contains keys `space` and `tab`, representing the indent of each character. Also
+     * contains keys `goodChar` and `badChar`, where `goodChar` is the amount of the user's desired indentation character, and
+     * `badChar` is the amount of the other indentation character.
+     */
+
+
+    function getNodeIndent(node, byLastLine) {
+      const token = byLastLine ? sourceCode.getLastToken(node) : sourceCode.getFirstToken(node);
+      const srcCharsBeforeNode = sourceCode.getText(token, token.loc.start.column).split("");
+      const indentChars = srcCharsBeforeNode.slice(0, srcCharsBeforeNode.findIndex(char => char !== " " && char !== "\t"));
+      const spaces = indentChars.filter(char => char === " ").length;
+      const tabs = indentChars.filter(char => char === "\t").length;
+      return {
+        space: spaces,
+        tab: tabs,
+        goodChar: indentType === "space" ? spaces : tabs,
+        badChar: indentType === "space" ? tabs : spaces
+      };
+    }
+    /**
+     * Checks node is the first in its own start line. By default it looks by start line.
+     * @param {ASTNode} node The node to check
+     * @param {boolean} [byEndLocation=false] Lookup based on start position or end
+     * @returns {boolean} true if its the first in the its start line
+     */
+
+
+    function isNodeFirstInLine(node, byEndLocation) {
+      const firstToken = byEndLocation === true ? sourceCode.getLastToken(node, 1) : sourceCode.getTokenBefore(node),
+            startLine = byEndLocation === true ? node.loc.end.line : node.loc.start.line,
+            endLine = firstToken ? firstToken.loc.end.line : -1;
+      return startLine !== endLine;
+    }
+    /**
+     * Check indent for node
+     * @param {ASTNode} node Node to check
+     * @param {int} neededIndent needed indent
+     * @returns {void}
+     */
+
+
+    function checkNodeIndent(node, neededIndent) {
+      const actualIndent = getNodeIndent(node, false);
+
+      if (node.type !== "ArrayExpression" && node.type !== "ObjectExpression" && (actualIndent.goodChar !== neededIndent || actualIndent.badChar !== 0) && isNodeFirstInLine(node)) {
+        report(node, neededIndent, actualIndent.space, actualIndent.tab);
+      }
+
+      if (node.type === "IfStatement" && node.alternate) {
+        const elseToken = sourceCode.getTokenBefore(node.alternate);
+        checkNodeIndent(elseToken, neededIndent);
+
+        if (!isNodeFirstInLine(node.alternate)) {
+          checkNodeIndent(node.alternate, neededIndent);
+        }
+      }
+
+      if (node.type === "TryStatement" && node.handler) {
+        const catchToken = sourceCode.getFirstToken(node.handler);
+        checkNodeIndent(catchToken, neededIndent);
+      }
+
+      if (node.type === "TryStatement" && node.finalizer) {
+        const finallyToken = sourceCode.getTokenBefore(node.finalizer);
+        checkNodeIndent(finallyToken, neededIndent);
+      }
+
+      if (node.type === "DoWhileStatement") {
+        const whileToken = sourceCode.getTokenAfter(node.body);
+        checkNodeIndent(whileToken, neededIndent);
+      }
+    }
+    /**
+     * Check indent for nodes list
+     * @param {ASTNode[]} nodes list of node objects
+     * @param {int} indent needed indent
+     * @returns {void}
+     */
+
+
+    function checkNodesIndent(nodes, indent) {
+      nodes.forEach(node => checkNodeIndent(node, indent));
+    }
+    /**
+     * Check last node line indent this detects, that block closed correctly
+     * @param {ASTNode} node Node to examine
+     * @param {int} lastLineIndent needed indent
+     * @returns {void}
+     */
+
+
+    function checkLastNodeLineIndent(node, lastLineIndent) {
+      const lastToken = sourceCode.getLastToken(node);
+      const endIndent = getNodeIndent(lastToken, true);
+
+      if ((endIndent.goodChar !== lastLineIndent || endIndent.badChar !== 0) && isNodeFirstInLine(node, true)) {
+        report(node, lastLineIndent, endIndent.space, endIndent.tab, {
+          line: lastToken.loc.start.line,
+          column: lastToken.loc.start.column
+        }, true);
+      }
+    }
+    /**
+     * Check last node line indent this detects, that block closed correctly
+     * This function for more complicated return statement case, where closing parenthesis may be followed by ';'
+     * @param {ASTNode} node Node to examine
+     * @param {int} firstLineIndent first line needed indent
+     * @returns {void}
+     */
+
+
+    function checkLastReturnStatementLineIndent(node, firstLineIndent) {
+      /*
+       * in case if return statement ends with ');' we have traverse back to ')'
+       * otherwise we'll measure indent for ';' and replace ')'
+       */
+      const lastToken = sourceCode.getLastToken(node, astUtils.isClosingParenToken);
+      const textBeforeClosingParenthesis = sourceCode.getText(lastToken, lastToken.loc.start.column).slice(0, -1);
+
+      if (textBeforeClosingParenthesis.trim()) {
+        // There are tokens before the closing paren, don't report this case
+        return;
+      }
+
+      const endIndent = getNodeIndent(lastToken, true);
+
+      if (endIndent.goodChar !== firstLineIndent) {
+        report(node, firstLineIndent, endIndent.space, endIndent.tab, {
+          line: lastToken.loc.start.line,
+          column: lastToken.loc.start.column
+        }, true);
+      }
+    }
+    /**
+     * Check first node line indent is correct
+     * @param {ASTNode} node Node to examine
+     * @param {int} firstLineIndent needed indent
+     * @returns {void}
+     */
+
+
+    function checkFirstNodeLineIndent(node, firstLineIndent) {
+      const startIndent = getNodeIndent(node, false);
+
+      if ((startIndent.goodChar !== firstLineIndent || startIndent.badChar !== 0) && isNodeFirstInLine(node)) {
+        report(node, firstLineIndent, startIndent.space, startIndent.tab, {
+          line: node.loc.start.line,
+          column: node.loc.start.column
+        });
+      }
+    }
+    /**
+     * Returns a parent node of given node based on a specified type
+     * if not present then return null
+     * @param {ASTNode} node node to examine
+     * @param {string} type type that is being looked for
+     * @param {string} stopAtList end points for the evaluating code
+     * @returns {ASTNode|void} if found then node otherwise null
+     */
+
+
+    function getParentNodeByType(node, type, stopAtList) {
+      let parent = node.parent;
+      const stopAtSet = new Set(stopAtList || ["Program"]);
+
+      while (parent.type !== type && !stopAtSet.has(parent.type) && parent.type !== "Program") {
+        parent = parent.parent;
+      }
+
+      return parent.type === type ? parent : null;
+    }
+    /**
+     * Returns the VariableDeclarator based on the current node
+     * if not present then return null
+     * @param {ASTNode} node node to examine
+     * @returns {ASTNode|void} if found then node otherwise null
+     */
+
+
+    function getVariableDeclaratorNode(node) {
+      return getParentNodeByType(node, "VariableDeclarator");
+    }
+    /**
+     * Check to see if the node is part of the multi-line variable declaration.
+     * Also if its on the same line as the varNode
+     * @param {ASTNode} node node to check
+     * @param {ASTNode} varNode variable declaration node to check against
+     * @returns {boolean} True if all the above condition satisfy
+     */
+
+
+    function isNodeInVarOnTop(node, varNode) {
+      return varNode && varNode.parent.loc.start.line === node.loc.start.line && varNode.parent.declarations.length > 1;
+    }
+    /**
+     * Check to see if the argument before the callee node is multi-line and
+     * there should only be 1 argument before the callee node
+     * @param {ASTNode} node node to check
+     * @returns {boolean} True if arguments are multi-line
+     */
+
+
+    function isArgBeforeCalleeNodeMultiline(node) {
+      const parent = node.parent;
+
+      if (parent.arguments.length >= 2 && parent.arguments[1] === node) {
+        return parent.arguments[0].loc.end.line > parent.arguments[0].loc.start.line;
+      }
+
+      return false;
+    }
+    /**
+     * Check to see if the node is a file level IIFE
+     * @param {ASTNode} node The function node to check.
+     * @returns {boolean} True if the node is the outer IIFE
+     */
+
+
+    function isOuterIIFE(node) {
+      const parent = node.parent;
+      let stmt = parent.parent;
+      /*
+       * Verify that the node is an IIEF
+       */
+
+      if (parent.type !== "CallExpression" || parent.callee !== node) {
+        return false;
+      }
+      /*
+       * Navigate legal ancestors to determine whether this IIEF is outer
+       */
+
+
+      while (stmt.type === "UnaryExpression" && (stmt.operator === "!" || stmt.operator === "~" || stmt.operator === "+" || stmt.operator === "-") || stmt.type === "AssignmentExpression" || stmt.type === "LogicalExpression" || stmt.type === "SequenceExpression" || stmt.type === "VariableDeclarator") {
+        stmt = stmt.parent;
+      }
+
+      return (stmt.type === "ExpressionStatement" || stmt.type === "VariableDeclaration") && stmt.parent && stmt.parent.type === "Program";
+    }
+    /**
+     * Check indent for function block content
+     * @param {ASTNode} node A BlockStatement node that is inside of a function.
+     * @returns {void}
+     */
+
+
+    function checkIndentInFunctionBlock(node) {
+      /*
+       * Search first caller in chain.
+       * Ex.:
+       *
+       * Models <- Identifier
+       *   .User
+       *   .find()
+       *   .exec(function() {
+       *   // function body
+       * });
+       *
+       * Looks for 'Models'
+       */
+      const calleeNode = node.parent; // FunctionExpression
+
+      let indent;
+
+      if (calleeNode.parent && (calleeNode.parent.type === "Property" || calleeNode.parent.type === "ArrayExpression")) {
+        // If function is part of array or object, comma can be put at left
+        indent = getNodeIndent(calleeNode, false).goodChar;
+      } else {
+        // If function is standalone, simple calculate indent
+        indent = getNodeIndent(calleeNode).goodChar;
+      }
+
+      if (calleeNode.parent.type === "CallExpression") {
+        const calleeParent = calleeNode.parent;
+
+        if (calleeNode.type !== "FunctionExpression" && calleeNode.type !== "ArrowFunctionExpression") {
+          if (calleeParent && calleeParent.loc.start.line < node.loc.start.line) {
+            indent = getNodeIndent(calleeParent).goodChar;
+          }
+        } else {
+          if (isArgBeforeCalleeNodeMultiline(calleeNode) && calleeParent.callee.loc.start.line === calleeParent.callee.loc.end.line && !isNodeFirstInLine(calleeNode)) {
+            indent = getNodeIndent(calleeParent).goodChar;
+          }
+        }
+      }
+      /*
+       * function body indent should be indent + indent size, unless this
+       * is a FunctionDeclaration, FunctionExpression, or outer IIFE and the corresponding options are enabled.
+       */
+
+
+      let functionOffset = indentSize;
+
+      if (options.outerIIFEBody !== null && isOuterIIFE(calleeNode)) {
+        functionOffset = options.outerIIFEBody * indentSize;
+      } else if (calleeNode.type === "FunctionExpression") {
+        functionOffset = options.FunctionExpression.body * indentSize;
+      } else if (calleeNode.type === "FunctionDeclaration") {
+        functionOffset = options.FunctionDeclaration.body * indentSize;
+      }
+
+      indent += functionOffset; // check if the node is inside a variable
+
+      const parentVarNode = getVariableDeclaratorNode(node);
+
+      if (parentVarNode && isNodeInVarOnTop(node, parentVarNode)) {
+        indent += indentSize * options.VariableDeclarator[parentVarNode.parent.kind];
+      }
+
+      if (node.body.length > 0) {
+        checkNodesIndent(node.body, indent);
+      }
+
+      checkLastNodeLineIndent(node, indent - functionOffset);
+    }
+    /**
+     * Checks if the given node starts and ends on the same line
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} Whether or not the block starts and ends on the same line.
+     */
+
+
+    function isSingleLineNode(node) {
+      const lastToken = sourceCode.getLastToken(node),
+            startLine = node.loc.start.line,
+            endLine = lastToken.loc.end.line;
+      return startLine === endLine;
+    }
+    /**
+     * Check indent for array block content or object block content
+     * @param {ASTNode} node node to examine
+     * @returns {void}
+     */
+
+
+    function checkIndentInArrayOrObjectBlock(node) {
+      // Skip inline
+      if (isSingleLineNode(node)) {
+        return;
+      }
+
+      let elements = node.type === "ArrayExpression" ? node.elements : node.properties; // filter out empty elements example would be [ , 2] so remove first element as espree considers it as null
+
+      elements = elements.filter(elem => elem !== null);
+      let nodeIndent;
+      let elementsIndent;
+      const parentVarNode = getVariableDeclaratorNode(node); // TODO - come up with a better strategy in future
+
+      if (isNodeFirstInLine(node)) {
+        const parent = node.parent;
+        nodeIndent = getNodeIndent(parent).goodChar;
+
+        if (!parentVarNode || parentVarNode.loc.start.line !== node.loc.start.line) {
+          if (parent.type !== "VariableDeclarator" || parentVarNode === parentVarNode.parent.declarations[0]) {
+            if (parent.type === "VariableDeclarator" && parentVarNode.loc.start.line === parent.loc.start.line) {
+              nodeIndent += indentSize * options.VariableDeclarator[parentVarNode.parent.kind];
+            } else if (parent.type === "ObjectExpression" || parent.type === "ArrayExpression") {
+              const parentElements = node.parent.type === "ObjectExpression" ? node.parent.properties : node.parent.elements;
+
+              if (parentElements[0] && parentElements[0].loc.start.line === parent.loc.start.line && parentElements[0].loc.end.line !== parent.loc.start.line) {
+                /*
+                 * If the first element of the array spans multiple lines, don't increase the expected indentation of the rest.
+                 * e.g. [{
+                 *        foo: 1
+                 *      },
+                 *      {
+                 *        bar: 1
+                 *      }]
+                 * the second object is not indented.
+                 */
+              } else if (typeof options[parent.type] === "number") {
+                nodeIndent += options[parent.type] * indentSize;
+              } else {
+                nodeIndent = parentElements[0].loc.start.column;
+              }
+            } else if (parent.type === "CallExpression" || parent.type === "NewExpression") {
+              if (typeof options.CallExpression.arguments === "number") {
+                nodeIndent += options.CallExpression.arguments * indentSize;
+              } else if (options.CallExpression.arguments === "first") {
+                if (parent.arguments.indexOf(node) !== -1) {
+                  nodeIndent = parent.arguments[0].loc.start.column;
+                }
+              } else {
+                nodeIndent += indentSize;
+              }
+            } else if (parent.type === "LogicalExpression" || parent.type === "ArrowFunctionExpression") {
+              nodeIndent += indentSize;
+            }
+          }
+        }
+
+        checkFirstNodeLineIndent(node, nodeIndent);
+      } else {
+        nodeIndent = getNodeIndent(node).goodChar;
+      }
+
+      if (options[node.type] === "first") {
+        elementsIndent = elements.length ? elements[0].loc.start.column : 0; // If there are no elements, elementsIndent doesn't matter.
+      } else {
+        elementsIndent = nodeIndent + indentSize * options[node.type];
+      }
+      /*
+       * Check if the node is a multiple variable declaration; if so, then
+       * make sure indentation takes that into account.
+       */
+
+
+      if (isNodeInVarOnTop(node, parentVarNode)) {
+        elementsIndent += indentSize * options.VariableDeclarator[parentVarNode.parent.kind];
+      }
+
+      checkNodesIndent(elements, elementsIndent);
+
+      if (elements.length > 0) {
+        // Skip last block line check if last item in same line
+        if (elements[elements.length - 1].loc.end.line === node.loc.end.line) {
+          return;
+        }
+      }
+
+      checkLastNodeLineIndent(node, nodeIndent + (isNodeInVarOnTop(node, parentVarNode) ? options.VariableDeclarator[parentVarNode.parent.kind] * indentSize : 0));
+    }
+    /**
+     * Check if the node or node body is a BlockStatement or not
+     * @param {ASTNode} node node to test
+     * @returns {boolean} True if it or its body is a block statement
+     */
+
+
+    function isNodeBodyBlock(node) {
+      return node.type === "BlockStatement" || node.type === "ClassBody" || node.body && node.body.type === "BlockStatement" || node.consequent && node.consequent.type === "BlockStatement";
+    }
+    /**
+     * Check indentation for blocks
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+
+
+    function blockIndentationCheck(node) {
+      // Skip inline blocks
+      if (isSingleLineNode(node)) {
+        return;
+      }
+
+      if (node.parent && (node.parent.type === "FunctionExpression" || node.parent.type === "FunctionDeclaration" || node.parent.type === "ArrowFunctionExpression")) {
+        checkIndentInFunctionBlock(node);
+        return;
+      }
+
+      let indent;
+      let nodesToCheck = [];
+      /*
+       * For this statements we should check indent from statement beginning,
+       * not from the beginning of the block.
+       */
+
+      const statementsWithProperties = ["IfStatement", "WhileStatement", "ForStatement", "ForInStatement", "ForOfStatement", "DoWhileStatement", "ClassDeclaration", "TryStatement"];
+
+      if (node.parent && statementsWithProperties.indexOf(node.parent.type) !== -1 && isNodeBodyBlock(node)) {
+        indent = getNodeIndent(node.parent).goodChar;
+      } else if (node.parent && node.parent.type === "CatchClause") {
+        indent = getNodeIndent(node.parent.parent).goodChar;
+      } else {
+        indent = getNodeIndent(node).goodChar;
+      }
+
+      if (node.type === "IfStatement" && node.consequent.type !== "BlockStatement") {
+        nodesToCheck = [node.consequent];
+      } else if (Array.isArray(node.body)) {
+        nodesToCheck = node.body;
+      } else {
+        nodesToCheck = [node.body];
+      }
+
+      if (nodesToCheck.length > 0) {
+        checkNodesIndent(nodesToCheck, indent + indentSize);
+      }
+
+      if (node.type === "BlockStatement") {
+        checkLastNodeLineIndent(node, indent);
+      }
+    }
+    /**
+     * Filter out the elements which are on the same line of each other or the node.
+     * basically have only 1 elements from each line except the variable declaration line.
+     * @param {ASTNode} node Variable declaration node
+     * @returns {ASTNode[]} Filtered elements
+     */
+
+
+    function filterOutSameLineVars(node) {
+      return node.declarations.reduce((finalCollection, elem) => {
+        const lastElem = finalCollection[finalCollection.length - 1];
+
+        if (elem.loc.start.line !== node.loc.start.line && !lastElem || lastElem && lastElem.loc.start.line !== elem.loc.start.line) {
+          finalCollection.push(elem);
+        }
+
+        return finalCollection;
+      }, []);
+    }
+    /**
+     * Check indentation for variable declarations
+     * @param {ASTNode} node node to examine
+     * @returns {void}
+     */
+
+
+    function checkIndentInVariableDeclarations(node) {
+      const elements = filterOutSameLineVars(node);
+      const nodeIndent = getNodeIndent(node).goodChar;
+      const lastElement = elements[elements.length - 1];
+      const elementsIndent = nodeIndent + indentSize * options.VariableDeclarator[node.kind];
+      checkNodesIndent(elements, elementsIndent); // Only check the last line if there is any token after the last item
+
+      if (sourceCode.getLastToken(node).loc.end.line <= lastElement.loc.end.line) {
+        return;
+      }
+
+      const tokenBeforeLastElement = sourceCode.getTokenBefore(lastElement);
+
+      if (tokenBeforeLastElement.value === ",") {
+        // Special case for comma-first syntax where the semicolon is indented
+        checkLastNodeLineIndent(node, getNodeIndent(tokenBeforeLastElement).goodChar);
+      } else {
+        checkLastNodeLineIndent(node, elementsIndent - indentSize);
+      }
+    }
+    /**
+     * Check and decide whether to check for indentation for blockless nodes
+     * Scenarios are for or while statements without braces around them
+     * @param {ASTNode} node node to examine
+     * @returns {void}
+     */
+
+
+    function blockLessNodes(node) {
+      if (node.body.type !== "BlockStatement") {
+        blockIndentationCheck(node);
+      }
+    }
+    /**
+     * Returns the expected indentation for the case statement
+     * @param {ASTNode} node node to examine
+     * @param {int} [providedSwitchIndent] indent for switch statement
+     * @returns {int} indent size
+     */
+
+
+    function expectedCaseIndent(node, providedSwitchIndent) {
+      const switchNode = node.type === "SwitchStatement" ? node : node.parent;
+      const switchIndent = typeof providedSwitchIndent === "undefined" ? getNodeIndent(switchNode).goodChar : providedSwitchIndent;
+      let caseIndent;
+
+      if (caseIndentStore[switchNode.loc.start.line]) {
+        return caseIndentStore[switchNode.loc.start.line];
+      }
+
+      if (switchNode.cases.length > 0 && options.SwitchCase === 0) {
+        caseIndent = switchIndent;
+      } else {
+        caseIndent = switchIndent + indentSize * options.SwitchCase;
+      }
+
+      caseIndentStore[switchNode.loc.start.line] = caseIndent;
+      return caseIndent;
+    }
+    /**
+     * Checks wether a return statement is wrapped in ()
+     * @param {ASTNode} node node to examine
+     * @returns {boolean} the result
+     */
+
+
+    function isWrappedInParenthesis(node) {
+      const regex = /^return\s*?\(\s*?\);*?/u;
+      const statementWithoutArgument = sourceCode.getText(node).replace(sourceCode.getText(node.argument), "");
+      return regex.test(statementWithoutArgument);
+    }
+
+    return {
+      Program(node) {
+        if (node.body.length > 0) {
+          // Root nodes should have no indent
+          checkNodesIndent(node.body, getNodeIndent(node).goodChar);
+        }
+      },
+
+      ClassBody: blockIndentationCheck,
+      BlockStatement: blockIndentationCheck,
+      WhileStatement: blockLessNodes,
+      ForStatement: blockLessNodes,
+      ForInStatement: blockLessNodes,
+      ForOfStatement: blockLessNodes,
+      DoWhileStatement: blockLessNodes,
+
+      IfStatement(node) {
+        if (node.consequent.type !== "BlockStatement" && node.consequent.loc.start.line > node.loc.start.line) {
+          blockIndentationCheck(node);
+        }
+      },
+
+      VariableDeclaration(node) {
+        if (node.declarations[node.declarations.length - 1].loc.start.line > node.declarations[0].loc.start.line) {
+          checkIndentInVariableDeclarations(node);
+        }
+      },
+
+      ObjectExpression(node) {
+        checkIndentInArrayOrObjectBlock(node);
+      },
+
+      ArrayExpression(node) {
+        checkIndentInArrayOrObjectBlock(node);
+      },
+
+      MemberExpression(node) {
+        if (typeof options.MemberExpression === "undefined") {
+          return;
+        }
+
+        if (isSingleLineNode(node)) {
+          return;
+        }
+        /*
+         * The typical layout of variable declarations and assignments
+         * alter the expectation of correct indentation. Skip them.
+         * TODO: Add appropriate configuration options for variable
+         * declarations and assignments.
+         */
+
+
+        if (getParentNodeByType(node, "VariableDeclarator", ["FunctionExpression", "ArrowFunctionExpression"])) {
+          return;
+        }
+
+        if (getParentNodeByType(node, "AssignmentExpression", ["FunctionExpression"])) {
+          return;
+        }
+
+        const propertyIndent = getNodeIndent(node).goodChar + indentSize * options.MemberExpression;
+        const checkNodes = [node.property];
+        const dot = sourceCode.getTokenBefore(node.property);
+
+        if (dot.type === "Punctuator" && dot.value === ".") {
+          checkNodes.push(dot);
+        }
+
+        checkNodesIndent(checkNodes, propertyIndent);
+      },
+
+      SwitchStatement(node) {
+        // Switch is not a 'BlockStatement'
+        const switchIndent = getNodeIndent(node).goodChar;
+        const caseIndent = expectedCaseIndent(node, switchIndent);
+        checkNodesIndent(node.cases, caseIndent);
+        checkLastNodeLineIndent(node, switchIndent);
+      },
+
+      SwitchCase(node) {
+        // Skip inline cases
+        if (isSingleLineNode(node)) {
+          return;
+        }
+
+        const caseIndent = expectedCaseIndent(node);
+        checkNodesIndent(node.consequent, caseIndent + indentSize);
+      },
+
+      FunctionDeclaration(node) {
+        if (isSingleLineNode(node)) {
+          return;
+        }
+
+        if (options.FunctionDeclaration.parameters === "first" && node.params.length) {
+          checkNodesIndent(node.params.slice(1), node.params[0].loc.start.column);
+        } else if (options.FunctionDeclaration.parameters !== null) {
+          checkNodesIndent(node.params, getNodeIndent(node).goodChar + indentSize * options.FunctionDeclaration.parameters);
+        }
+      },
+
+      FunctionExpression(node) {
+        if (isSingleLineNode(node)) {
+          return;
+        }
+
+        if (options.FunctionExpression.parameters === "first" && node.params.length) {
+          checkNodesIndent(node.params.slice(1), node.params[0].loc.start.column);
+        } else if (options.FunctionExpression.parameters !== null) {
+          checkNodesIndent(node.params, getNodeIndent(node).goodChar + indentSize * options.FunctionExpression.parameters);
+        }
+      },
+
+      ReturnStatement(node) {
+        if (isSingleLineNode(node)) {
+          return;
+        }
+
+        const firstLineIndent = getNodeIndent(node).goodChar; // in case if return statement is wrapped in parenthesis
+
+        if (isWrappedInParenthesis(node)) {
+          checkLastReturnStatementLineIndent(node, firstLineIndent);
+        } else {
+          checkNodeIndent(node, firstLineIndent);
+        }
+      },
+
+      CallExpression(node) {
+        if (isSingleLineNode(node)) {
+          return;
+        }
+
+        if (options.CallExpression.arguments === "first" && node.arguments.length) {
+          checkNodesIndent(node.arguments.slice(1), node.arguments[0].loc.start.column);
+        } else if (options.CallExpression.arguments !== null) {
+          checkNodesIndent(node.arguments, getNodeIndent(node).goodChar + indentSize * options.CallExpression.arguments);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 483 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to control the style of variable initializations.
+ * @author Colin Ihrig
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a for loop.
+ * @param {ASTNode} block A node to check.
+ * @returns {boolean} `true` when the node is a for loop.
+ */
+
+function isForLoop(block) {
+  return block.type === "ForInStatement" || block.type === "ForOfStatement" || block.type === "ForStatement";
+}
+/**
+ * Checks whether or not a given declarator node has its initializer.
+ * @param {ASTNode} node A declarator node to check.
+ * @returns {boolean} `true` when the node has its initializer.
+ */
+
+
+function isInitialized(node) {
+  const declaration = node.parent;
+  const block = declaration.parent;
+
+  if (isForLoop(block)) {
+    if (block.type === "ForStatement") {
+      return block.init === declaration;
+    }
+
+    return block.left === declaration;
+  }
+
+  return Boolean(node.init);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow initialization in variable declarations",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/init-declarations"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["never"]
+        }, {
+          type: "object",
+          properties: {
+            ignoreForLoopInit: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    messages: {
+      initialized: "Variable '{{idName}}' should be initialized on declaration.",
+      notInitialized: "Variable '{{idName}}' should not be initialized on declaration."
+    }
+  },
+
+  create(context) {
+    const MODE_ALWAYS = "always",
+          MODE_NEVER = "never";
+    const mode = context.options[0] || MODE_ALWAYS;
+    const params = context.options[1] || {}; //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+    return {
+      "VariableDeclaration:exit"(node) {
+        const kind = node.kind,
+              declarations = node.declarations;
+
+        for (let i = 0; i < declarations.length; ++i) {
+          const declaration = declarations[i],
+                id = declaration.id,
+                initialized = isInitialized(declaration),
+                isIgnoredForLoop = params.ignoreForLoopInit && isForLoop(node.parent);
+          let messageId = "";
+
+          if (mode === MODE_ALWAYS && !initialized) {
+            messageId = "initialized";
+          } else if (mode === MODE_NEVER && kind !== "const" && initialized && !isIgnoredForLoop) {
+            messageId = "notInitialized";
+          }
+
+          if (id.type === "Identifier" && messageId) {
+            context.report({
+              node: declaration,
+              messageId,
+              data: {
+                idName: id.name
+              }
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 484 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to ensure consistent quotes used in jsx syntax.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+
+const QUOTE_SETTINGS = {
+  "prefer-double": {
+    quote: "\"",
+    description: "singlequote",
+
+    convert(str) {
+      return str.replace(/'/gu, "\"");
+    }
+
+  },
+  "prefer-single": {
+    quote: "'",
+    description: "doublequote",
+
+    convert(str) {
+      return str.replace(/"/gu, "'");
+    }
+
+  }
+}; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce the consistent use of either double or single quotes in JSX attributes",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/jsx-quotes"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["prefer-single", "prefer-double"]
+    }],
+    messages: {
+      unexpected: "Unexpected usage of {{description}}."
+    }
+  },
+
+  create(context) {
+    const quoteOption = context.options[0] || "prefer-double",
+          setting = QUOTE_SETTINGS[quoteOption];
+    /**
+     * Checks if the given string literal node uses the expected quotes
+     * @param {ASTNode} node A string literal node.
+     * @returns {boolean} Whether or not the string literal used the expected quotes.
+     * @public
+     */
+
+    function usesExpectedQuotes(node) {
+      return node.value.indexOf(setting.quote) !== -1 || astUtils.isSurroundedBy(node.raw, setting.quote);
+    }
+
+    return {
+      JSXAttribute(node) {
+        const attributeValue = node.value;
+
+        if (attributeValue && astUtils.isStringLiteral(attributeValue) && !usesExpectedQuotes(attributeValue)) {
+          context.report({
+            node: attributeValue,
+            messageId: "unexpected",
+            data: {
+              description: setting.description
+            },
+
+            fix(fixer) {
+              return fixer.replaceText(attributeValue, setting.convert(attributeValue.raw));
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 485 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to specify spacing of object literal keys and values
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a string contains a line terminator as defined in
+ * http://www.ecma-international.org/ecma-262/5.1/#sec-7.3
+ * @param {string} str String to test.
+ * @returns {boolean} True if str contains a line terminator.
+ */
+
+
+function containsLineTerminator(str) {
+  return astUtils.LINEBREAK_MATCHER.test(str);
+}
+/**
+ * Gets the last element of an array.
+ * @param {Array} arr An array.
+ * @returns {any} Last element of arr.
+ */
+
+
+function last(arr) {
+  return arr[arr.length - 1];
+}
+/**
+ * Checks whether a node is contained on a single line.
+ * @param {ASTNode} node AST Node being evaluated.
+ * @returns {boolean} True if the node is a single line.
+ */
+
+
+function isSingleLine(node) {
+  return node.loc.end.line === node.loc.start.line;
+}
+/**
+ * Checks whether the properties on a single line.
+ * @param {ASTNode[]} properties List of Property AST nodes.
+ * @returns {boolean} True if all properies is on a single line.
+ */
+
+
+function isSingleLineProperties(properties) {
+  const [firstProp] = properties,
+        lastProp = last(properties);
+  return firstProp.loc.start.line === lastProp.loc.end.line;
+}
+/**
+ * Initializes a single option property from the configuration with defaults for undefined values
+ * @param {Object} toOptions Object to be initialized
+ * @param {Object} fromOptions Object to be initialized from
+ * @returns {Object} The object with correctly initialized options and values
+ */
+
+
+function initOptionProperty(toOptions, fromOptions) {
+  toOptions.mode = fromOptions.mode || "strict"; // Set value of beforeColon
+
+  if (typeof fromOptions.beforeColon !== "undefined") {
+    toOptions.beforeColon = +fromOptions.beforeColon;
+  } else {
+    toOptions.beforeColon = 0;
+  } // Set value of afterColon
+
+
+  if (typeof fromOptions.afterColon !== "undefined") {
+    toOptions.afterColon = +fromOptions.afterColon;
+  } else {
+    toOptions.afterColon = 1;
+  } // Set align if exists
+
+
+  if (typeof fromOptions.align !== "undefined") {
+    if (typeof fromOptions.align === "object") {
+      toOptions.align = fromOptions.align;
+    } else {
+      // "string"
+      toOptions.align = {
+        on: fromOptions.align,
+        mode: toOptions.mode,
+        beforeColon: toOptions.beforeColon,
+        afterColon: toOptions.afterColon
+      };
+    }
+  }
+
+  return toOptions;
+}
+/**
+ * Initializes all the option values (singleLine, multiLine and align) from the configuration with defaults for undefined values
+ * @param {Object} toOptions Object to be initialized
+ * @param {Object} fromOptions Object to be initialized from
+ * @returns {Object} The object with correctly initialized options and values
+ */
+
+
+function initOptions(toOptions, fromOptions) {
+  if (typeof fromOptions.align === "object") {
+    // Initialize the alignment configuration
+    toOptions.align = initOptionProperty({}, fromOptions.align);
+    toOptions.align.on = fromOptions.align.on || "colon";
+    toOptions.align.mode = fromOptions.align.mode || "strict";
+    toOptions.multiLine = initOptionProperty({}, fromOptions.multiLine || fromOptions);
+    toOptions.singleLine = initOptionProperty({}, fromOptions.singleLine || fromOptions);
+  } else {
+    // string or undefined
+    toOptions.multiLine = initOptionProperty({}, fromOptions.multiLine || fromOptions);
+    toOptions.singleLine = initOptionProperty({}, fromOptions.singleLine || fromOptions); // If alignment options are defined in multiLine, pull them out into the general align configuration
+
+    if (toOptions.multiLine.align) {
+      toOptions.align = {
+        on: toOptions.multiLine.align.on,
+        mode: toOptions.multiLine.align.mode || toOptions.multiLine.mode,
+        beforeColon: toOptions.multiLine.align.beforeColon,
+        afterColon: toOptions.multiLine.align.afterColon
+      };
+    }
+  }
+
+  return toOptions;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing between keys and values in object literal properties",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/key-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      anyOf: [{
+        type: "object",
+        properties: {
+          align: {
+            anyOf: [{
+              enum: ["colon", "value"]
+            }, {
+              type: "object",
+              properties: {
+                mode: {
+                  enum: ["strict", "minimum"]
+                },
+                on: {
+                  enum: ["colon", "value"]
+                },
+                beforeColon: {
+                  type: "boolean"
+                },
+                afterColon: {
+                  type: "boolean"
+                }
+              },
+              additionalProperties: false
+            }]
+          },
+          mode: {
+            enum: ["strict", "minimum"]
+          },
+          beforeColon: {
+            type: "boolean"
+          },
+          afterColon: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }, {
+        type: "object",
+        properties: {
+          singleLine: {
+            type: "object",
+            properties: {
+              mode: {
+                enum: ["strict", "minimum"]
+              },
+              beforeColon: {
+                type: "boolean"
+              },
+              afterColon: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          },
+          multiLine: {
+            type: "object",
+            properties: {
+              align: {
+                anyOf: [{
+                  enum: ["colon", "value"]
+                }, {
+                  type: "object",
+                  properties: {
+                    mode: {
+                      enum: ["strict", "minimum"]
+                    },
+                    on: {
+                      enum: ["colon", "value"]
+                    },
+                    beforeColon: {
+                      type: "boolean"
+                    },
+                    afterColon: {
+                      type: "boolean"
+                    }
+                  },
+                  additionalProperties: false
+                }]
+              },
+              mode: {
+                enum: ["strict", "minimum"]
+              },
+              beforeColon: {
+                type: "boolean"
+              },
+              afterColon: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          }
+        },
+        additionalProperties: false
+      }, {
+        type: "object",
+        properties: {
+          singleLine: {
+            type: "object",
+            properties: {
+              mode: {
+                enum: ["strict", "minimum"]
+              },
+              beforeColon: {
+                type: "boolean"
+              },
+              afterColon: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          },
+          multiLine: {
+            type: "object",
+            properties: {
+              mode: {
+                enum: ["strict", "minimum"]
+              },
+              beforeColon: {
+                type: "boolean"
+              },
+              afterColon: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          },
+          align: {
+            type: "object",
+            properties: {
+              mode: {
+                enum: ["strict", "minimum"]
+              },
+              on: {
+                enum: ["colon", "value"]
+              },
+              beforeColon: {
+                type: "boolean"
+              },
+              afterColon: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      extraKey: "Extra space after {{computed}}key '{{key}}'.",
+      extraValue: "Extra space before value for {{computed}}key '{{key}}'.",
+      missingKey: "Missing space after {{computed}}key '{{key}}'.",
+      missingValue: "Missing space before value for {{computed}}key '{{key}}'."
+    }
+  },
+
+  create(context) {
+    /**
+     * OPTIONS
+     * "key-spacing": [2, {
+     *     beforeColon: false,
+     *     afterColon: true,
+     *     align: "colon" // Optional, or "value"
+     * }
+     */
+    const options = context.options[0] || {},
+          ruleOptions = initOptions({}, options),
+          multiLineOptions = ruleOptions.multiLine,
+          singleLineOptions = ruleOptions.singleLine,
+          alignmentOptions = ruleOptions.align || null;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Checks whether a property is a member of the property group it follows.
+     * @param {ASTNode} lastMember The last Property known to be in the group.
+     * @param {ASTNode} candidate The next Property that might be in the group.
+     * @returns {boolean} True if the candidate property is part of the group.
+     */
+
+    function continuesPropertyGroup(lastMember, candidate) {
+      const groupEndLine = lastMember.loc.start.line,
+            candidateStartLine = candidate.loc.start.line;
+
+      if (candidateStartLine - groupEndLine <= 1) {
+        return true;
+      }
+      /*
+       * Check that the first comment is adjacent to the end of the group, the
+       * last comment is adjacent to the candidate property, and that successive
+       * comments are adjacent to each other.
+       */
+
+
+      const leadingComments = sourceCode.getCommentsBefore(candidate);
+
+      if (leadingComments.length && leadingComments[0].loc.start.line - groupEndLine <= 1 && candidateStartLine - last(leadingComments).loc.end.line <= 1) {
+        for (let i = 1; i < leadingComments.length; i++) {
+          if (leadingComments[i].loc.start.line - leadingComments[i - 1].loc.end.line > 1) {
+            return false;
+          }
+        }
+
+        return true;
+      }
+
+      return false;
+    }
+    /**
+     * Determines if the given property is key-value property.
+     * @param {ASTNode} property Property node to check.
+     * @returns {boolean} Whether the property is a key-value property.
+     */
+
+
+    function isKeyValueProperty(property) {
+      return !(property.method || property.shorthand || property.kind !== "init" || property.type !== "Property");
+    }
+    /**
+     * Starting from the given a node (a property.key node here) looks forward
+     * until it finds the last token before a colon punctuator and returns it.
+     * @param {ASTNode} node The node to start looking from.
+     * @returns {ASTNode} The last token before a colon punctuator.
+     */
+
+
+    function getLastTokenBeforeColon(node) {
+      const colonToken = sourceCode.getTokenAfter(node, astUtils.isColonToken);
+      return sourceCode.getTokenBefore(colonToken);
+    }
+    /**
+     * Starting from the given a node (a property.key node here) looks forward
+     * until it finds the colon punctuator and returns it.
+     * @param {ASTNode} node The node to start looking from.
+     * @returns {ASTNode} The colon punctuator.
+     */
+
+
+    function getNextColon(node) {
+      return sourceCode.getTokenAfter(node, astUtils.isColonToken);
+    }
+    /**
+     * Gets an object literal property's key as the identifier name or string value.
+     * @param {ASTNode} property Property node whose key to retrieve.
+     * @returns {string} The property's key.
+     */
+
+
+    function getKey(property) {
+      const key = property.key;
+
+      if (property.computed) {
+        return sourceCode.getText().slice(key.range[0], key.range[1]);
+      }
+
+      return astUtils.getStaticPropertyName(property);
+    }
+    /**
+     * Reports an appropriately-formatted error if spacing is incorrect on one
+     * side of the colon.
+     * @param {ASTNode} property Key-value pair in an object literal.
+     * @param {string} side Side being verified - either "key" or "value".
+     * @param {string} whitespace Actual whitespace string.
+     * @param {int} expected Expected whitespace length.
+     * @param {string} mode Value of the mode as "strict" or "minimum"
+     * @returns {void}
+     */
+
+
+    function report(property, side, whitespace, expected, mode) {
+      const diff = whitespace.length - expected,
+            nextColon = getNextColon(property.key),
+            tokenBeforeColon = sourceCode.getTokenBefore(nextColon, {
+        includeComments: true
+      }),
+            tokenAfterColon = sourceCode.getTokenAfter(nextColon, {
+        includeComments: true
+      }),
+            isKeySide = side === "key",
+            locStart = isKeySide ? tokenBeforeColon.loc.start : tokenAfterColon.loc.start,
+            isExtra = diff > 0,
+            diffAbs = Math.abs(diff),
+            spaces = Array(diffAbs + 1).join(" ");
+
+      if ((diff && mode === "strict" || diff < 0 && mode === "minimum" || diff > 0 && !expected && mode === "minimum") && !(expected && containsLineTerminator(whitespace))) {
+        let fix;
+
+        if (isExtra) {
+          let range; // Remove whitespace
+
+          if (isKeySide) {
+            range = [tokenBeforeColon.range[1], tokenBeforeColon.range[1] + diffAbs];
+          } else {
+            range = [tokenAfterColon.range[0] - diffAbs, tokenAfterColon.range[0]];
+          }
+
+          fix = function fix(fixer) {
+            return fixer.removeRange(range);
+          };
+        } else {
+          // Add whitespace
+          if (isKeySide) {
+            fix = function fix(fixer) {
+              return fixer.insertTextAfter(tokenBeforeColon, spaces);
+            };
+          } else {
+            fix = function fix(fixer) {
+              return fixer.insertTextBefore(tokenAfterColon, spaces);
+            };
+          }
+        }
+
+        let messageId = "";
+
+        if (isExtra) {
+          messageId = side === "key" ? "extraKey" : "extraValue";
+        } else {
+          messageId = side === "key" ? "missingKey" : "missingValue";
+        }
+
+        context.report({
+          node: property[side],
+          loc: locStart,
+          messageId,
+          data: {
+            computed: property.computed ? "computed " : "",
+            key: getKey(property)
+          },
+          fix
+        });
+      }
+    }
+    /**
+     * Gets the number of characters in a key, including quotes around string
+     * keys and braces around computed property keys.
+     * @param {ASTNode} property Property of on object literal.
+     * @returns {int} Width of the key.
+     */
+
+
+    function getKeyWidth(property) {
+      const startToken = sourceCode.getFirstToken(property);
+      const endToken = getLastTokenBeforeColon(property.key);
+      return endToken.range[1] - startToken.range[0];
+    }
+    /**
+     * Gets the whitespace around the colon in an object literal property.
+     * @param {ASTNode} property Property node from an object literal.
+     * @returns {Object} Whitespace before and after the property's colon.
+     */
+
+
+    function getPropertyWhitespace(property) {
+      const whitespace = /(\s*):(\s*)/u.exec(sourceCode.getText().slice(property.key.range[1], property.value.range[0]));
+
+      if (whitespace) {
+        return {
+          beforeColon: whitespace[1],
+          afterColon: whitespace[2]
+        };
+      }
+
+      return null;
+    }
+    /**
+     * Creates groups of properties.
+     * @param  {ASTNode} node ObjectExpression node being evaluated.
+     * @returns {Array.<ASTNode[]>} Groups of property AST node lists.
+     */
+
+
+    function createGroups(node) {
+      if (node.properties.length === 1) {
+        return [node.properties];
+      }
+
+      return node.properties.reduce((groups, property) => {
+        const currentGroup = last(groups),
+              prev = last(currentGroup);
+
+        if (!prev || continuesPropertyGroup(prev, property)) {
+          currentGroup.push(property);
+        } else {
+          groups.push([property]);
+        }
+
+        return groups;
+      }, [[]]);
+    }
+    /**
+     * Verifies correct vertical alignment of a group of properties.
+     * @param {ASTNode[]} properties List of Property AST nodes.
+     * @returns {void}
+     */
+
+
+    function verifyGroupAlignment(properties) {
+      const length = properties.length,
+            widths = properties.map(getKeyWidth),
+            // Width of keys, including quotes
+      align = alignmentOptions.on; // "value" or "colon"
+
+      let targetWidth = Math.max(...widths),
+          beforeColon,
+          afterColon,
+          mode;
+
+      if (alignmentOptions && length > 1) {
+        // When aligning values within a group, use the alignment configuration.
+        beforeColon = alignmentOptions.beforeColon;
+        afterColon = alignmentOptions.afterColon;
+        mode = alignmentOptions.mode;
+      } else {
+        beforeColon = multiLineOptions.beforeColon;
+        afterColon = multiLineOptions.afterColon;
+        mode = alignmentOptions.mode;
+      } // Conditionally include one space before or after colon
+
+
+      targetWidth += align === "colon" ? beforeColon : afterColon;
+
+      for (let i = 0; i < length; i++) {
+        const property = properties[i];
+        const whitespace = getPropertyWhitespace(property);
+
+        if (whitespace) {
+          // Object literal getters/setters lack a colon
+          const width = widths[i];
+
+          if (align === "value") {
+            report(property, "key", whitespace.beforeColon, beforeColon, mode);
+            report(property, "value", whitespace.afterColon, targetWidth - width, mode);
+          } else {
+            // align = "colon"
+            report(property, "key", whitespace.beforeColon, targetWidth - width, mode);
+            report(property, "value", whitespace.afterColon, afterColon, mode);
+          }
+        }
+      }
+    }
+    /**
+     * Verifies spacing of property conforms to specified options.
+     * @param  {ASTNode} node Property node being evaluated.
+     * @param {Object} lineOptions Configured singleLine or multiLine options
+     * @returns {void}
+     */
+
+
+    function verifySpacing(node, lineOptions) {
+      const actual = getPropertyWhitespace(node);
+
+      if (actual) {
+        // Object literal getters/setters lack colons
+        report(node, "key", actual.beforeColon, lineOptions.beforeColon, lineOptions.mode);
+        report(node, "value", actual.afterColon, lineOptions.afterColon, lineOptions.mode);
+      }
+    }
+    /**
+     * Verifies spacing of each property in a list.
+     * @param {ASTNode[]} properties List of Property AST nodes.
+     * @param {Object} lineOptions Configured singleLine or multiLine options
+     * @returns {void}
+     */
+
+
+    function verifyListSpacing(properties, lineOptions) {
+      const length = properties.length;
+
+      for (let i = 0; i < length; i++) {
+        verifySpacing(properties[i], lineOptions);
+      }
+    }
+    /**
+     * Verifies vertical alignment, taking into account groups of properties.
+     * @param  {ASTNode} node ObjectExpression node being evaluated.
+     * @returns {void}
+     */
+
+
+    function verifyAlignment(node) {
+      createGroups(node).forEach(group => {
+        const properties = group.filter(isKeyValueProperty);
+
+        if (properties.length > 0 && isSingleLineProperties(properties)) {
+          verifyListSpacing(properties, multiLineOptions);
+        } else {
+          verifyGroupAlignment(properties);
+        }
+      });
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    if (alignmentOptions) {
+      // Verify vertical alignment
+      return {
+        ObjectExpression(node) {
+          if (isSingleLine(node)) {
+            verifyListSpacing(node.properties.filter(isKeyValueProperty), singleLineOptions);
+          } else {
+            verifyAlignment(node);
+          }
+        }
+
+      };
+    } // Obey beforeColon and afterColon in each property as configured
+
+
+    return {
+      Property(node) {
+        verifySpacing(node, isSingleLine(node.parent) ? singleLineOptions : multiLineOptions);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 486 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce spacing before and after keywords.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426),
+      keywords = __webpack_require__(460); //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+
+const PREV_TOKEN = /^[)\]}>]$/u;
+const NEXT_TOKEN = /^(?:[([{<~!]|\+\+?|--?)$/u;
+const PREV_TOKEN_M = /^[)\]}>*]$/u;
+const NEXT_TOKEN_M = /^[{*]$/u;
+const TEMPLATE_OPEN_PAREN = /\$\{$/u;
+const TEMPLATE_CLOSE_PAREN = /^\}/u;
+const CHECK_TYPE = /^(?:JSXElement|RegularExpression|String|Template)$/u;
+const KEYS = keywords.concat(["as", "async", "await", "from", "get", "let", "of", "set", "yield"]); // check duplications.
+
+(function () {
+  KEYS.sort();
+
+  for (let i = 1; i < KEYS.length; ++i) {
+    if (KEYS[i] === KEYS[i - 1]) {
+      throw new Error("Duplication was found in the keyword list: ".concat(KEYS[i]));
+    }
+  }
+})(); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given token is a "Template" token ends with "${".
+ * @param {Token} token A token to check.
+ * @returns {boolean} `true` if the token is a "Template" token ends with "${".
+ */
+
+
+function isOpenParenOfTemplate(token) {
+  return token.type === "Template" && TEMPLATE_OPEN_PAREN.test(token.value);
+}
+/**
+ * Checks whether or not a given token is a "Template" token starts with "}".
+ * @param {Token} token A token to check.
+ * @returns {boolean} `true` if the token is a "Template" token starts with "}".
+ */
+
+
+function isCloseParenOfTemplate(token) {
+  return token.type === "Template" && TEMPLATE_CLOSE_PAREN.test(token.value);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before and after keywords",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/keyword-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        before: {
+          type: "boolean",
+          default: true
+        },
+        after: {
+          type: "boolean",
+          default: true
+        },
+        overrides: {
+          type: "object",
+          properties: KEYS.reduce((retv, key) => {
+            retv[key] = {
+              type: "object",
+              properties: {
+                before: {
+                  type: "boolean"
+                },
+                after: {
+                  type: "boolean"
+                }
+              },
+              additionalProperties: false
+            };
+            return retv;
+          }, {}),
+          additionalProperties: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expectedBefore: "Expected space(s) before \"{{value}}\".",
+      expectedAfter: "Expected space(s) after \"{{value}}\".",
+      unexpectedBefore: "Unexpected space(s) before \"{{value}}\".",
+      unexpectedAfter: "Unexpected space(s) after \"{{value}}\"."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports a given token if there are not space(s) before the token.
+     * @param {Token} token A token to report.
+     * @param {RegExp} pattern A pattern of the previous token to check.
+     * @returns {void}
+     */
+
+    function expectSpaceBefore(token, pattern) {
+      const prevToken = sourceCode.getTokenBefore(token);
+
+      if (prevToken && (CHECK_TYPE.test(prevToken.type) || pattern.test(prevToken.value)) && !isOpenParenOfTemplate(prevToken) && astUtils.isTokenOnSameLine(prevToken, token) && !sourceCode.isSpaceBetweenTokens(prevToken, token)) {
+        context.report({
+          loc: token.loc.start,
+          messageId: "expectedBefore",
+          data: token,
+
+          fix(fixer) {
+            return fixer.insertTextBefore(token, " ");
+          }
+
+        });
+      }
+    }
+    /**
+     * Reports a given token if there are space(s) before the token.
+     * @param {Token} token A token to report.
+     * @param {RegExp} pattern A pattern of the previous token to check.
+     * @returns {void}
+     */
+
+
+    function unexpectSpaceBefore(token, pattern) {
+      const prevToken = sourceCode.getTokenBefore(token);
+
+      if (prevToken && (CHECK_TYPE.test(prevToken.type) || pattern.test(prevToken.value)) && !isOpenParenOfTemplate(prevToken) && astUtils.isTokenOnSameLine(prevToken, token) && sourceCode.isSpaceBetweenTokens(prevToken, token)) {
+        context.report({
+          loc: token.loc.start,
+          messageId: "unexpectedBefore",
+          data: token,
+
+          fix(fixer) {
+            return fixer.removeRange([prevToken.range[1], token.range[0]]);
+          }
+
+        });
+      }
+    }
+    /**
+     * Reports a given token if there are not space(s) after the token.
+     * @param {Token} token A token to report.
+     * @param {RegExp} pattern A pattern of the next token to check.
+     * @returns {void}
+     */
+
+
+    function expectSpaceAfter(token, pattern) {
+      const nextToken = sourceCode.getTokenAfter(token);
+
+      if (nextToken && (CHECK_TYPE.test(nextToken.type) || pattern.test(nextToken.value)) && !isCloseParenOfTemplate(nextToken) && astUtils.isTokenOnSameLine(token, nextToken) && !sourceCode.isSpaceBetweenTokens(token, nextToken)) {
+        context.report({
+          loc: token.loc.start,
+          messageId: "expectedAfter",
+          data: token,
+
+          fix(fixer) {
+            return fixer.insertTextAfter(token, " ");
+          }
+
+        });
+      }
+    }
+    /**
+     * Reports a given token if there are space(s) after the token.
+     * @param {Token} token A token to report.
+     * @param {RegExp} pattern A pattern of the next token to check.
+     * @returns {void}
+     */
+
+
+    function unexpectSpaceAfter(token, pattern) {
+      const nextToken = sourceCode.getTokenAfter(token);
+
+      if (nextToken && (CHECK_TYPE.test(nextToken.type) || pattern.test(nextToken.value)) && !isCloseParenOfTemplate(nextToken) && astUtils.isTokenOnSameLine(token, nextToken) && sourceCode.isSpaceBetweenTokens(token, nextToken)) {
+        context.report({
+          loc: token.loc.start,
+          messageId: "unexpectedAfter",
+          data: token,
+
+          fix(fixer) {
+            return fixer.removeRange([token.range[1], nextToken.range[0]]);
+          }
+
+        });
+      }
+    }
+    /**
+     * Parses the option object and determines check methods for each keyword.
+     * @param {Object|undefined} options The option object to parse.
+     * @returns {Object} - Normalized option object.
+     *      Keys are keywords (there are for every keyword).
+     *      Values are instances of `{"before": function, "after": function}`.
+     */
+
+
+    function parseOptions(options = {}) {
+      const before = options.before !== false;
+      const after = options.after !== false;
+      const defaultValue = {
+        before: before ? expectSpaceBefore : unexpectSpaceBefore,
+        after: after ? expectSpaceAfter : unexpectSpaceAfter
+      };
+      const overrides = options && options.overrides || {};
+      const retv = Object.create(null);
+
+      for (let i = 0; i < KEYS.length; ++i) {
+        const key = KEYS[i];
+        const override = overrides[key];
+
+        if (override) {
+          const thisBefore = "before" in override ? override.before : before;
+          const thisAfter = "after" in override ? override.after : after;
+          retv[key] = {
+            before: thisBefore ? expectSpaceBefore : unexpectSpaceBefore,
+            after: thisAfter ? expectSpaceAfter : unexpectSpaceAfter
+          };
+        } else {
+          retv[key] = defaultValue;
+        }
+      }
+
+      return retv;
+    }
+
+    const checkMethodMap = parseOptions(context.options[0]);
+    /**
+     * Reports a given token if usage of spacing followed by the token is
+     * invalid.
+     * @param {Token} token A token to report.
+     * @param {RegExp} [pattern] Optional. A pattern of the previous
+     *      token to check.
+     * @returns {void}
+     */
+
+    function checkSpacingBefore(token, pattern) {
+      checkMethodMap[token.value].before(token, pattern || PREV_TOKEN);
+    }
+    /**
+     * Reports a given token if usage of spacing preceded by the token is
+     * invalid.
+     * @param {Token} token A token to report.
+     * @param {RegExp} [pattern] Optional. A pattern of the next
+     *      token to check.
+     * @returns {void}
+     */
+
+
+    function checkSpacingAfter(token, pattern) {
+      checkMethodMap[token.value].after(token, pattern || NEXT_TOKEN);
+    }
+    /**
+     * Reports a given token if usage of spacing around the token is invalid.
+     * @param {Token} token A token to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingAround(token) {
+      checkSpacingBefore(token);
+      checkSpacingAfter(token);
+    }
+    /**
+     * Reports the first token of a given node if the first token is a keyword
+     * and usage of spacing around the token is invalid.
+     * @param {ASTNode|null} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingAroundFirstToken(node) {
+      const firstToken = node && sourceCode.getFirstToken(node);
+
+      if (firstToken && firstToken.type === "Keyword") {
+        checkSpacingAround(firstToken);
+      }
+    }
+    /**
+     * Reports the first token of a given node if the first token is a keyword
+     * and usage of spacing followed by the token is invalid.
+     *
+     * This is used for unary operators (e.g. `typeof`), `function`, and `super`.
+     * Other rules are handling usage of spacing preceded by those keywords.
+     * @param {ASTNode|null} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingBeforeFirstToken(node) {
+      const firstToken = node && sourceCode.getFirstToken(node);
+
+      if (firstToken && firstToken.type === "Keyword") {
+        checkSpacingBefore(firstToken);
+      }
+    }
+    /**
+     * Reports the previous token of a given node if the token is a keyword and
+     * usage of spacing around the token is invalid.
+     * @param {ASTNode|null} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingAroundTokenBefore(node) {
+      if (node) {
+        const token = sourceCode.getTokenBefore(node, astUtils.isKeywordToken);
+        checkSpacingAround(token);
+      }
+    }
+    /**
+     * Reports `async` or `function` keywords of a given node if usage of
+     * spacing around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForFunction(node) {
+      const firstToken = node && sourceCode.getFirstToken(node);
+
+      if (firstToken && (firstToken.type === "Keyword" && firstToken.value === "function" || firstToken.value === "async")) {
+        checkSpacingBefore(firstToken);
+      }
+    }
+    /**
+     * Reports `class` and `extends` keywords of a given node if usage of
+     * spacing around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForClass(node) {
+      checkSpacingAroundFirstToken(node);
+      checkSpacingAroundTokenBefore(node.superClass);
+    }
+    /**
+     * Reports `if` and `else` keywords of a given node if usage of spacing
+     * around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForIfStatement(node) {
+      checkSpacingAroundFirstToken(node);
+      checkSpacingAroundTokenBefore(node.alternate);
+    }
+    /**
+     * Reports `try`, `catch`, and `finally` keywords of a given node if usage
+     * of spacing around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForTryStatement(node) {
+      checkSpacingAroundFirstToken(node);
+      checkSpacingAroundFirstToken(node.handler);
+      checkSpacingAroundTokenBefore(node.finalizer);
+    }
+    /**
+     * Reports `do` and `while` keywords of a given node if usage of spacing
+     * around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForDoWhileStatement(node) {
+      checkSpacingAroundFirstToken(node);
+      checkSpacingAroundTokenBefore(node.test);
+    }
+    /**
+     * Reports `for` and `in` keywords of a given node if usage of spacing
+     * around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForForInStatement(node) {
+      checkSpacingAroundFirstToken(node);
+      checkSpacingAroundTokenBefore(node.right);
+    }
+    /**
+     * Reports `for` and `of` keywords of a given node if usage of spacing
+     * around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForForOfStatement(node) {
+      if (node.await) {
+        checkSpacingBefore(sourceCode.getFirstToken(node, 0));
+        checkSpacingAfter(sourceCode.getFirstToken(node, 1));
+      } else {
+        checkSpacingAroundFirstToken(node);
+      }
+
+      checkSpacingAround(sourceCode.getTokenBefore(node.right, astUtils.isNotOpeningParenToken));
+    }
+    /**
+     * Reports `import`, `export`, `as`, and `from` keywords of a given node if
+     * usage of spacing around those keywords is invalid.
+     *
+     * This rule handles the `*` token in module declarations.
+     *
+     *     import*as A from "./a"; /*error Expected space(s) after "import".
+     *                               error Expected space(s) before "as".
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForModuleDeclaration(node) {
+      const firstToken = sourceCode.getFirstToken(node);
+      checkSpacingBefore(firstToken, PREV_TOKEN_M);
+      checkSpacingAfter(firstToken, NEXT_TOKEN_M);
+
+      if (node.type === "ExportDefaultDeclaration") {
+        checkSpacingAround(sourceCode.getTokenAfter(firstToken));
+      }
+
+      if (node.source) {
+        const fromToken = sourceCode.getTokenBefore(node.source);
+        checkSpacingBefore(fromToken, PREV_TOKEN_M);
+        checkSpacingAfter(fromToken, NEXT_TOKEN_M);
+      }
+    }
+    /**
+     * Reports `as` keyword of a given node if usage of spacing around this
+     * keyword is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForImportNamespaceSpecifier(node) {
+      const asToken = sourceCode.getFirstToken(node, 1);
+      checkSpacingBefore(asToken, PREV_TOKEN_M);
+    }
+    /**
+     * Reports `static`, `get`, and `set` keywords of a given node if usage of
+     * spacing around those keywords is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForProperty(node) {
+      if (node.static) {
+        checkSpacingAroundFirstToken(node);
+      }
+
+      if (node.kind === "get" || node.kind === "set" || (node.method || node.type === "MethodDefinition") && node.value.async) {
+        const token = sourceCode.getTokenBefore(node.key, tok => {
+          switch (tok.value) {
+            case "get":
+            case "set":
+            case "async":
+              return true;
+
+            default:
+              return false;
+          }
+        });
+
+        if (!token) {
+          throw new Error("Failed to find token get, set, or async beside method name");
+        }
+
+        checkSpacingAround(token);
+      }
+    }
+    /**
+     * Reports `await` keyword of a given node if usage of spacing before
+     * this keyword is invalid.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function checkSpacingForAwaitExpression(node) {
+      checkSpacingBefore(sourceCode.getFirstToken(node));
+    }
+
+    return {
+      // Statements
+      DebuggerStatement: checkSpacingAroundFirstToken,
+      WithStatement: checkSpacingAroundFirstToken,
+      // Statements - Control flow
+      BreakStatement: checkSpacingAroundFirstToken,
+      ContinueStatement: checkSpacingAroundFirstToken,
+      ReturnStatement: checkSpacingAroundFirstToken,
+      ThrowStatement: checkSpacingAroundFirstToken,
+      TryStatement: checkSpacingForTryStatement,
+      // Statements - Choice
+      IfStatement: checkSpacingForIfStatement,
+      SwitchStatement: checkSpacingAroundFirstToken,
+      SwitchCase: checkSpacingAroundFirstToken,
+      // Statements - Loops
+      DoWhileStatement: checkSpacingForDoWhileStatement,
+      ForInStatement: checkSpacingForForInStatement,
+      ForOfStatement: checkSpacingForForOfStatement,
+      ForStatement: checkSpacingAroundFirstToken,
+      WhileStatement: checkSpacingAroundFirstToken,
+      // Statements - Declarations
+      ClassDeclaration: checkSpacingForClass,
+      ExportNamedDeclaration: checkSpacingForModuleDeclaration,
+      ExportDefaultDeclaration: checkSpacingForModuleDeclaration,
+      ExportAllDeclaration: checkSpacingForModuleDeclaration,
+      FunctionDeclaration: checkSpacingForFunction,
+      ImportDeclaration: checkSpacingForModuleDeclaration,
+      VariableDeclaration: checkSpacingAroundFirstToken,
+      // Expressions
+      ArrowFunctionExpression: checkSpacingForFunction,
+      AwaitExpression: checkSpacingForAwaitExpression,
+      ClassExpression: checkSpacingForClass,
+      FunctionExpression: checkSpacingForFunction,
+      NewExpression: checkSpacingBeforeFirstToken,
+      Super: checkSpacingBeforeFirstToken,
+      ThisExpression: checkSpacingBeforeFirstToken,
+      UnaryExpression: checkSpacingBeforeFirstToken,
+      YieldExpression: checkSpacingBeforeFirstToken,
+      // Others
+      ImportNamespaceSpecifier: checkSpacingForImportNamespaceSpecifier,
+      MethodDefinition: checkSpacingForProperty,
+      Property: checkSpacingForProperty
+    };
+  }
+
+};
+
+/***/ }),
+/* 487 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce the position of line comments
+ * @author Alberto Rodríguez
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce position of line comments",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/line-comment-position"
+    },
+    schema: [{
+      oneOf: [{
+        enum: ["above", "beside"]
+      }, {
+        type: "object",
+        properties: {
+          position: {
+            enum: ["above", "beside"]
+          },
+          ignorePattern: {
+            type: "string"
+          },
+          applyDefaultPatterns: {
+            type: "boolean"
+          },
+          applyDefaultIgnorePatterns: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      above: "Expected comment to be above code.",
+      beside: "Expected comment to be beside code."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0];
+    let above,
+        ignorePattern,
+        applyDefaultIgnorePatterns = true;
+
+    if (!options || typeof options === "string") {
+      above = !options || options === "above";
+    } else {
+      above = !options.position || options.position === "above";
+      ignorePattern = options.ignorePattern;
+
+      if (Object.prototype.hasOwnProperty.call(options, "applyDefaultIgnorePatterns")) {
+        applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns;
+      } else {
+        applyDefaultIgnorePatterns = options.applyDefaultPatterns !== false;
+      }
+    }
+
+    const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN;
+    const fallThroughRegExp = /^\s*falls?\s?through/u;
+    const customIgnoreRegExp = new RegExp(ignorePattern, "u");
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    return {
+      Program() {
+        const comments = sourceCode.getAllComments();
+        comments.filter(token => token.type === "Line").forEach(node => {
+          if (applyDefaultIgnorePatterns && (defaultIgnoreRegExp.test(node.value) || fallThroughRegExp.test(node.value))) {
+            return;
+          }
+
+          if (ignorePattern && customIgnoreRegExp.test(node.value)) {
+            return;
+          }
+
+          const previous = sourceCode.getTokenBefore(node, {
+            includeComments: true
+          });
+          const isOnSameLine = previous && previous.loc.end.line === node.loc.start.line;
+
+          if (above) {
+            if (isOnSameLine) {
+              context.report({
+                node,
+                messageId: "above"
+              });
+            }
+          } else {
+            if (!isOnSameLine) {
+              context.report({
+                node,
+                messageId: "beside"
+              });
+            }
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 488 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce a single linebreak style.
+ * @author Erik Mueller
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent linebreak style",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/linebreak-style"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["unix", "windows"]
+    }],
+    messages: {
+      expectedLF: "Expected linebreaks to be 'LF' but found 'CRLF'.",
+      expectedCRLF: "Expected linebreaks to be 'CRLF' but found 'LF'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Builds a fix function that replaces text at the specified range in the source text.
+     * @param {int[]} range The range to replace
+     * @param {string} text The text to insert.
+     * @returns {Function} Fixer function
+     * @private
+     */
+
+    function createFix(range, text) {
+      return function (fixer) {
+        return fixer.replaceTextRange(range, text);
+      };
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: function checkForLinebreakStyle(node) {
+        const linebreakStyle = context.options[0] || "unix",
+              expectedLF = linebreakStyle === "unix",
+              expectedLFChars = expectedLF ? "\n" : "\r\n",
+              source = sourceCode.getText(),
+              pattern = astUtils.createGlobalLinebreakMatcher();
+        let match;
+        let i = 0;
+
+        while ((match = pattern.exec(source)) !== null) {
+          i++;
+
+          if (match[0] === expectedLFChars) {
+            continue;
+          }
+
+          const index = match.index;
+          const range = [index, index + match[0].length];
+          context.report({
+            node,
+            loc: {
+              line: i,
+              column: sourceCode.lines[i - 1].length
+            },
+            messageId: expectedLF ? "expectedLF" : "expectedCRLF",
+            fix: createFix(range, expectedLFChars)
+          });
+        }
+      }
+    };
+  }
+
+};
+
+/***/ }),
+/* 489 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforces empty lines around comments.
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403),
+      astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Return an array with with any line numbers that are empty.
+ * @param {Array} lines An array of each line of the file.
+ * @returns {Array} An array of line numbers.
+ */
+
+
+function getEmptyLineNums(lines) {
+  const emptyLines = lines.map((line, i) => ({
+    code: line.trim(),
+    num: i + 1
+  })).filter(line => !line.code).map(line => line.num);
+  return emptyLines;
+}
+/**
+ * Return an array with with any line numbers that contain comments.
+ * @param {Array} comments An array of comment tokens.
+ * @returns {Array} An array of line numbers.
+ */
+
+
+function getCommentLineNums(comments) {
+  const lines = [];
+  comments.forEach(token => {
+    const start = token.loc.start.line;
+    const end = token.loc.end.line;
+    lines.push(start, end);
+  });
+  return lines;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require empty lines around comments",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/lines-around-comment"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        beforeBlockComment: {
+          type: "boolean",
+          default: true
+        },
+        afterBlockComment: {
+          type: "boolean",
+          default: false
+        },
+        beforeLineComment: {
+          type: "boolean",
+          default: false
+        },
+        afterLineComment: {
+          type: "boolean",
+          default: false
+        },
+        allowBlockStart: {
+          type: "boolean",
+          default: false
+        },
+        allowBlockEnd: {
+          type: "boolean",
+          default: false
+        },
+        allowClassStart: {
+          type: "boolean"
+        },
+        allowClassEnd: {
+          type: "boolean"
+        },
+        allowObjectStart: {
+          type: "boolean"
+        },
+        allowObjectEnd: {
+          type: "boolean"
+        },
+        allowArrayStart: {
+          type: "boolean"
+        },
+        allowArrayEnd: {
+          type: "boolean"
+        },
+        ignorePattern: {
+          type: "string"
+        },
+        applyDefaultIgnorePatterns: {
+          type: "boolean"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      after: "Expected line after comment.",
+      before: "Expected line before comment."
+    }
+  },
+
+  create(context) {
+    const options = Object.assign({}, context.options[0]);
+    const ignorePattern = options.ignorePattern;
+    const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN;
+    const customIgnoreRegExp = new RegExp(ignorePattern, "u");
+    const applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns !== false;
+    options.beforeBlockComment = typeof options.beforeBlockComment !== "undefined" ? options.beforeBlockComment : true;
+    const sourceCode = context.getSourceCode();
+    const lines = sourceCode.lines,
+          numLines = lines.length + 1,
+          comments = sourceCode.getAllComments(),
+          commentLines = getCommentLineNums(comments),
+          emptyLines = getEmptyLineNums(lines),
+          commentAndEmptyLines = commentLines.concat(emptyLines);
+    /**
+     * Returns whether or not comments are on lines starting with or ending with code
+     * @param {token} token The comment token to check.
+     * @returns {boolean} True if the comment is not alone.
+     */
+
+    function codeAroundComment(token) {
+      let currentToken = token;
+
+      do {
+        currentToken = sourceCode.getTokenBefore(currentToken, {
+          includeComments: true
+        });
+      } while (currentToken && astUtils.isCommentToken(currentToken));
+
+      if (currentToken && astUtils.isTokenOnSameLine(currentToken, token)) {
+        return true;
+      }
+
+      currentToken = token;
+
+      do {
+        currentToken = sourceCode.getTokenAfter(currentToken, {
+          includeComments: true
+        });
+      } while (currentToken && astUtils.isCommentToken(currentToken));
+
+      if (currentToken && astUtils.isTokenOnSameLine(token, currentToken)) {
+        return true;
+      }
+
+      return false;
+    }
+    /**
+     * Returns whether or not comments are inside a node type or not.
+     * @param {ASTNode} parent The Comment parent node.
+     * @param {string} nodeType The parent type to check against.
+     * @returns {boolean} True if the comment is inside nodeType.
+     */
+
+
+    function isParentNodeType(parent, nodeType) {
+      return parent.type === nodeType || parent.body && parent.body.type === nodeType || parent.consequent && parent.consequent.type === nodeType;
+    }
+    /**
+     * Returns the parent node that contains the given token.
+     * @param {token} token The token to check.
+     * @returns {ASTNode} The parent node that contains the given token.
+     */
+
+
+    function getParentNodeOfToken(token) {
+      return sourceCode.getNodeByRangeIndex(token.range[0]);
+    }
+    /**
+     * Returns whether or not comments are at the parent start or not.
+     * @param {token} token The Comment token.
+     * @param {string} nodeType The parent type to check against.
+     * @returns {boolean} True if the comment is at parent start.
+     */
+
+
+    function isCommentAtParentStart(token, nodeType) {
+      const parent = getParentNodeOfToken(token);
+      return parent && isParentNodeType(parent, nodeType) && token.loc.start.line - parent.loc.start.line === 1;
+    }
+    /**
+     * Returns whether or not comments are at the parent end or not.
+     * @param {token} token The Comment token.
+     * @param {string} nodeType The parent type to check against.
+     * @returns {boolean} True if the comment is at parent end.
+     */
+
+
+    function isCommentAtParentEnd(token, nodeType) {
+      const parent = getParentNodeOfToken(token);
+      return parent && isParentNodeType(parent, nodeType) && parent.loc.end.line - token.loc.end.line === 1;
+    }
+    /**
+     * Returns whether or not comments are at the block start or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at block start.
+     */
+
+
+    function isCommentAtBlockStart(token) {
+      return isCommentAtParentStart(token, "ClassBody") || isCommentAtParentStart(token, "BlockStatement") || isCommentAtParentStart(token, "SwitchCase");
+    }
+    /**
+     * Returns whether or not comments are at the block end or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at block end.
+     */
+
+
+    function isCommentAtBlockEnd(token) {
+      return isCommentAtParentEnd(token, "ClassBody") || isCommentAtParentEnd(token, "BlockStatement") || isCommentAtParentEnd(token, "SwitchCase") || isCommentAtParentEnd(token, "SwitchStatement");
+    }
+    /**
+     * Returns whether or not comments are at the class start or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at class start.
+     */
+
+
+    function isCommentAtClassStart(token) {
+      return isCommentAtParentStart(token, "ClassBody");
+    }
+    /**
+     * Returns whether or not comments are at the class end or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at class end.
+     */
+
+
+    function isCommentAtClassEnd(token) {
+      return isCommentAtParentEnd(token, "ClassBody");
+    }
+    /**
+     * Returns whether or not comments are at the object start or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at object start.
+     */
+
+
+    function isCommentAtObjectStart(token) {
+      return isCommentAtParentStart(token, "ObjectExpression") || isCommentAtParentStart(token, "ObjectPattern");
+    }
+    /**
+     * Returns whether or not comments are at the object end or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at object end.
+     */
+
+
+    function isCommentAtObjectEnd(token) {
+      return isCommentAtParentEnd(token, "ObjectExpression") || isCommentAtParentEnd(token, "ObjectPattern");
+    }
+    /**
+     * Returns whether or not comments are at the array start or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at array start.
+     */
+
+
+    function isCommentAtArrayStart(token) {
+      return isCommentAtParentStart(token, "ArrayExpression") || isCommentAtParentStart(token, "ArrayPattern");
+    }
+    /**
+     * Returns whether or not comments are at the array end or not.
+     * @param {token} token The Comment token.
+     * @returns {boolean} True if the comment is at array end.
+     */
+
+
+    function isCommentAtArrayEnd(token) {
+      return isCommentAtParentEnd(token, "ArrayExpression") || isCommentAtParentEnd(token, "ArrayPattern");
+    }
+    /**
+     * Checks if a comment token has lines around it (ignores inline comments)
+     * @param {token} token The Comment token.
+     * @param {Object} opts Options to determine the newline.
+     * @param {boolean} opts.after Should have a newline after this line.
+     * @param {boolean} opts.before Should have a newline before this line.
+     * @returns {void}
+     */
+
+
+    function checkForEmptyLine(token, opts) {
+      if (applyDefaultIgnorePatterns && defaultIgnoreRegExp.test(token.value)) {
+        return;
+      }
+
+      if (ignorePattern && customIgnoreRegExp.test(token.value)) {
+        return;
+      }
+
+      let after = opts.after,
+          before = opts.before;
+      const prevLineNum = token.loc.start.line - 1,
+            nextLineNum = token.loc.end.line + 1,
+            commentIsNotAlone = codeAroundComment(token);
+      const blockStartAllowed = options.allowBlockStart && isCommentAtBlockStart(token) && !(options.allowClassStart === false && isCommentAtClassStart(token)),
+            blockEndAllowed = options.allowBlockEnd && isCommentAtBlockEnd(token) && !(options.allowClassEnd === false && isCommentAtClassEnd(token)),
+            classStartAllowed = options.allowClassStart && isCommentAtClassStart(token),
+            classEndAllowed = options.allowClassEnd && isCommentAtClassEnd(token),
+            objectStartAllowed = options.allowObjectStart && isCommentAtObjectStart(token),
+            objectEndAllowed = options.allowObjectEnd && isCommentAtObjectEnd(token),
+            arrayStartAllowed = options.allowArrayStart && isCommentAtArrayStart(token),
+            arrayEndAllowed = options.allowArrayEnd && isCommentAtArrayEnd(token);
+      const exceptionStartAllowed = blockStartAllowed || classStartAllowed || objectStartAllowed || arrayStartAllowed;
+      const exceptionEndAllowed = blockEndAllowed || classEndAllowed || objectEndAllowed || arrayEndAllowed; // ignore top of the file and bottom of the file
+
+      if (prevLineNum < 1) {
+        before = false;
+      }
+
+      if (nextLineNum >= numLines) {
+        after = false;
+      } // we ignore all inline comments
+
+
+      if (commentIsNotAlone) {
+        return;
+      }
+
+      const previousTokenOrComment = sourceCode.getTokenBefore(token, {
+        includeComments: true
+      });
+      const nextTokenOrComment = sourceCode.getTokenAfter(token, {
+        includeComments: true
+      }); // check for newline before
+
+      if (!exceptionStartAllowed && before && !lodash.includes(commentAndEmptyLines, prevLineNum) && !(astUtils.isCommentToken(previousTokenOrComment) && astUtils.isTokenOnSameLine(previousTokenOrComment, token))) {
+        const lineStart = token.range[0] - token.loc.start.column;
+        const range = [lineStart, lineStart];
+        context.report({
+          node: token,
+          messageId: "before",
+
+          fix(fixer) {
+            return fixer.insertTextBeforeRange(range, "\n");
+          }
+
+        });
+      } // check for newline after
+
+
+      if (!exceptionEndAllowed && after && !lodash.includes(commentAndEmptyLines, nextLineNum) && !(astUtils.isCommentToken(nextTokenOrComment) && astUtils.isTokenOnSameLine(token, nextTokenOrComment))) {
+        context.report({
+          node: token,
+          messageId: "after",
+
+          fix(fixer) {
+            return fixer.insertTextAfter(token, "\n");
+          }
+
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program() {
+        comments.forEach(token => {
+          if (token.type === "Line") {
+            if (options.beforeLineComment || options.afterLineComment) {
+              checkForEmptyLine(token, {
+                after: options.afterLineComment,
+                before: options.beforeLineComment
+              });
+            }
+          } else if (token.type === "Block") {
+            if (options.beforeBlockComment || options.afterBlockComment) {
+              checkForEmptyLine(token, {
+                after: options.afterBlockComment,
+                before: options.beforeBlockComment
+              });
+            }
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 490 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Require or disallow newlines around directives.
+ * @author Kai Cataldo
+ * @deprecated
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow newlines around directives",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/lines-around-directive"
+    },
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never"]
+      }, {
+        type: "object",
+        properties: {
+          before: {
+            enum: ["always", "never"]
+          },
+          after: {
+            enum: ["always", "never"]
+          }
+        },
+        additionalProperties: false,
+        minProperties: 2
+      }]
+    }],
+    fixable: "whitespace",
+    messages: {
+      expected: "Expected newline {{location}} \"{{value}}\" directive.",
+      unexpected: "Unexpected newline {{location}} \"{{value}}\" directive."
+    },
+    deprecated: true,
+    replacedBy: ["padding-line-between-statements"]
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const config = context.options[0] || "always";
+    const expectLineBefore = typeof config === "string" ? config : config.before;
+    const expectLineAfter = typeof config === "string" ? config : config.after; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Check if node is preceded by a blank newline.
+     * @param {ASTNode} node Node to check.
+     * @returns {boolean} Whether or not the passed in node is preceded by a blank newline.
+     */
+
+    function hasNewlineBefore(node) {
+      const tokenBefore = sourceCode.getTokenBefore(node, {
+        includeComments: true
+      });
+      const tokenLineBefore = tokenBefore ? tokenBefore.loc.end.line : 0;
+      return node.loc.start.line - tokenLineBefore >= 2;
+    }
+    /**
+     * Gets the last token of a node that is on the same line as the rest of the node.
+     * This will usually be the last token of the node, but it will be the second-to-last token if the node has a trailing
+     * semicolon on a different line.
+     * @param {ASTNode} node A directive node
+     * @returns {Token} The last token of the node on the line
+     */
+
+
+    function getLastTokenOnLine(node) {
+      const lastToken = sourceCode.getLastToken(node);
+      const secondToLastToken = sourceCode.getTokenBefore(lastToken);
+      return astUtils.isSemicolonToken(lastToken) && lastToken.loc.start.line > secondToLastToken.loc.end.line ? secondToLastToken : lastToken;
+    }
+    /**
+     * Check if node is followed by a blank newline.
+     * @param {ASTNode} node Node to check.
+     * @returns {boolean} Whether or not the passed in node is followed by a blank newline.
+     */
+
+
+    function hasNewlineAfter(node) {
+      const lastToken = getLastTokenOnLine(node);
+      const tokenAfter = sourceCode.getTokenAfter(lastToken, {
+        includeComments: true
+      });
+      return tokenAfter.loc.start.line - lastToken.loc.end.line >= 2;
+    }
+    /**
+     * Report errors for newlines around directives.
+     * @param {ASTNode} node Node to check.
+     * @param {string} location Whether the error was found before or after the directive.
+     * @param {boolean} expected Whether or not a newline was expected or unexpected.
+     * @returns {void}
+     */
+
+
+    function reportError(node, location, expected) {
+      context.report({
+        node,
+        messageId: expected ? "expected" : "unexpected",
+        data: {
+          value: node.expression.value,
+          location
+        },
+
+        fix(fixer) {
+          const lastToken = getLastTokenOnLine(node);
+
+          if (expected) {
+            return location === "before" ? fixer.insertTextBefore(node, "\n") : fixer.insertTextAfter(lastToken, "\n");
+          }
+
+          return fixer.removeRange(location === "before" ? [node.range[0] - 1, node.range[0]] : [lastToken.range[1], lastToken.range[1] + 1]);
+        }
+
+      });
+    }
+    /**
+     * Check lines around directives in node
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+
+
+    function checkDirectives(node) {
+      const directives = astUtils.getDirectivePrologue(node);
+
+      if (!directives.length) {
+        return;
+      }
+
+      const firstDirective = directives[0];
+      const leadingComments = sourceCode.getCommentsBefore(firstDirective);
+      /*
+       * Only check before the first directive if it is preceded by a comment or if it is at the top of
+       * the file and expectLineBefore is set to "never". This is to not force a newline at the top of
+       * the file if there are no comments as well as for compatibility with padded-blocks.
+       */
+
+      if (leadingComments.length) {
+        if (expectLineBefore === "always" && !hasNewlineBefore(firstDirective)) {
+          reportError(firstDirective, "before", true);
+        }
+
+        if (expectLineBefore === "never" && hasNewlineBefore(firstDirective)) {
+          reportError(firstDirective, "before", false);
+        }
+      } else if (node.type === "Program" && expectLineBefore === "never" && !leadingComments.length && hasNewlineBefore(firstDirective)) {
+        reportError(firstDirective, "before", false);
+      }
+
+      const lastDirective = directives[directives.length - 1];
+      const statements = node.type === "Program" ? node.body : node.body.body;
+      /*
+       * Do not check after the last directive if the body only
+       * contains a directive prologue and isn't followed by a comment to ensure
+       * this rule behaves well with padded-blocks.
+       */
+
+      if (lastDirective === statements[statements.length - 1] && !lastDirective.trailingComments) {
+        return;
+      }
+
+      if (expectLineAfter === "always" && !hasNewlineAfter(lastDirective)) {
+        reportError(lastDirective, "after", true);
+      }
+
+      if (expectLineAfter === "never" && hasNewlineAfter(lastDirective)) {
+        reportError(lastDirective, "after", false);
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: checkDirectives,
+      FunctionDeclaration: checkDirectives,
+      FunctionExpression: checkDirectives,
+      ArrowFunctionExpression: checkDirectives
+    };
+  }
+
+};
+
+/***/ }),
+/* 491 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check empty newline between class members
+ * @author 薛定谔的猫<hh_2013@foxmail.com>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow an empty line between class members",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/lines-between-class-members"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        exceptAfterSingleLine: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      never: "Unexpected blank line between class members.",
+      always: "Expected blank line between class members."
+    }
+  },
+
+  create(context) {
+    const options = [];
+    options[0] = context.options[0] || "always";
+    options[1] = context.options[1] || {
+      exceptAfterSingleLine: false
+    };
+    const sourceCode = context.getSourceCode();
+    /**
+     * Return the last token among the consecutive tokens that have no exceed max line difference in between, before the first token in the next member.
+     * @param {Token} prevLastToken The last token in the previous member node.
+     * @param {Token} nextFirstToken The first token in the next member node.
+     * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens.
+     * @returns {Token} The last token among the consecutive tokens.
+     */
+
+    function findLastConsecutiveTokenAfter(prevLastToken, nextFirstToken, maxLine) {
+      const after = sourceCode.getTokenAfter(prevLastToken, {
+        includeComments: true
+      });
+
+      if (after !== nextFirstToken && after.loc.start.line - prevLastToken.loc.end.line <= maxLine) {
+        return findLastConsecutiveTokenAfter(after, nextFirstToken, maxLine);
+      }
+
+      return prevLastToken;
+    }
+    /**
+     * Return the first token among the consecutive tokens that have no exceed max line difference in between, after the last token in the previous member.
+     * @param {Token} nextFirstToken The first token in the next member node.
+     * @param {Token} prevLastToken The last token in the previous member node.
+     * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens.
+     * @returns {Token} The first token among the consecutive tokens.
+     */
+
+
+    function findFirstConsecutiveTokenBefore(nextFirstToken, prevLastToken, maxLine) {
+      const before = sourceCode.getTokenBefore(nextFirstToken, {
+        includeComments: true
+      });
+
+      if (before !== prevLastToken && nextFirstToken.loc.start.line - before.loc.end.line <= maxLine) {
+        return findFirstConsecutiveTokenBefore(before, prevLastToken, maxLine);
+      }
+
+      return nextFirstToken;
+    }
+    /**
+     * Checks if there is a token or comment between two tokens.
+     * @param {Token} before The token before.
+     * @param {Token} after The token after.
+     * @returns {boolean} True if there is a token or comment between two tokens.
+     */
+
+
+    function hasTokenOrCommentBetween(before, after) {
+      return sourceCode.getTokensBetween(before, after, {
+        includeComments: true
+      }).length !== 0;
+    }
+
+    return {
+      ClassBody(node) {
+        const body = node.body;
+
+        for (let i = 0; i < body.length - 1; i++) {
+          const curFirst = sourceCode.getFirstToken(body[i]);
+          const curLast = sourceCode.getLastToken(body[i]);
+          const nextFirst = sourceCode.getFirstToken(body[i + 1]);
+          const isMulti = !astUtils.isTokenOnSameLine(curFirst, curLast);
+          const skip = !isMulti && options[1].exceptAfterSingleLine;
+          const beforePadding = findLastConsecutiveTokenAfter(curLast, nextFirst, 1);
+          const afterPadding = findFirstConsecutiveTokenBefore(nextFirst, curLast, 1);
+          const isPadded = afterPadding.loc.start.line - beforePadding.loc.end.line > 1;
+          const hasTokenInPadding = hasTokenOrCommentBetween(beforePadding, afterPadding);
+          const curLineLastToken = findLastConsecutiveTokenAfter(curLast, nextFirst, 0);
+
+          if (options[0] === "always" && !skip && !isPadded || options[0] === "never" && isPadded) {
+            context.report({
+              node: body[i + 1],
+              messageId: isPadded ? "never" : "always",
+
+              fix(fixer) {
+                if (hasTokenInPadding) {
+                  return null;
+                }
+
+                return isPadded ? fixer.replaceTextRange([beforePadding.range[1], afterPadding.range[0]], "\n") : fixer.insertTextAfter(curLineLastToken, "\n");
+              }
+
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 492 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforce a maximum number of classes per file
+ * @author James Garbutt <https://github.com/43081j>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum number of classes per file",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-classes-per-file"
+    },
+    schema: [{
+      type: "integer",
+      minimum: 1
+    }],
+    messages: {
+      maximumExceeded: "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}."
+    }
+  },
+
+  create(context) {
+    const maxClasses = context.options[0] || 1;
+    let classCount = 0;
+    return {
+      Program() {
+        classCount = 0;
+      },
+
+      "Program:exit"(node) {
+        if (classCount > maxClasses) {
+          context.report({
+            node,
+            messageId: "maximumExceeded",
+            data: {
+              classCount,
+              max: maxClasses
+            }
+          });
+        }
+      },
+
+      "ClassDeclaration, ClassExpression"() {
+        classCount++;
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 493 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to set the maximum depth block can be nested in a function.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum depth that blocks can be nested",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-depth"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          maximum: {
+            type: "integer",
+            minimum: 0
+          },
+          max: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      tooDeeply: "Blocks are nested too deeply ({{depth}}). Maximum allowed is {{maxDepth}}."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    const functionStack = [],
+          option = context.options[0];
+    let maxDepth = 4;
+
+    if (typeof option === "object" && (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))) {
+      maxDepth = option.maximum || option.max;
+    }
+
+    if (typeof option === "number") {
+      maxDepth = option;
+    }
+    /**
+     * When parsing a new function, store it in our function stack
+     * @returns {void}
+     * @private
+     */
+
+
+    function startFunction() {
+      functionStack.push(0);
+    }
+    /**
+     * When parsing is done then pop out the reference
+     * @returns {void}
+     * @private
+     */
+
+
+    function endFunction() {
+      functionStack.pop();
+    }
+    /**
+     * Save the block and Evaluate the node
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function pushBlock(node) {
+      const len = ++functionStack[functionStack.length - 1];
+
+      if (len > maxDepth) {
+        context.report({
+          node,
+          messageId: "tooDeeply",
+          data: {
+            depth: len,
+            maxDepth
+          }
+        });
+      }
+    }
+    /**
+     * Pop the saved block
+     * @returns {void}
+     * @private
+     */
+
+
+    function popBlock() {
+      functionStack[functionStack.length - 1]--;
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: startFunction,
+      FunctionDeclaration: startFunction,
+      FunctionExpression: startFunction,
+      ArrowFunctionExpression: startFunction,
+
+      IfStatement(node) {
+        if (node.parent.type !== "IfStatement") {
+          pushBlock(node);
+        }
+      },
+
+      SwitchStatement: pushBlock,
+      TryStatement: pushBlock,
+      DoWhileStatement: pushBlock,
+      WhileStatement: pushBlock,
+      WithStatement: pushBlock,
+      ForStatement: pushBlock,
+      ForInStatement: pushBlock,
+      ForOfStatement: pushBlock,
+      "IfStatement:exit": popBlock,
+      "SwitchStatement:exit": popBlock,
+      "TryStatement:exit": popBlock,
+      "DoWhileStatement:exit": popBlock,
+      "WhileStatement:exit": popBlock,
+      "WithStatement:exit": popBlock,
+      "ForStatement:exit": popBlock,
+      "ForInStatement:exit": popBlock,
+      "ForOfStatement:exit": popBlock,
+      "FunctionDeclaration:exit": endFunction,
+      "FunctionExpression:exit": endFunction,
+      "ArrowFunctionExpression:exit": endFunction,
+      "Program:exit": endFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 494 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for max length on a line.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const OPTIONS_SCHEMA = {
+  type: "object",
+  properties: {
+    code: {
+      type: "integer",
+      minimum: 0
+    },
+    comments: {
+      type: "integer",
+      minimum: 0
+    },
+    tabWidth: {
+      type: "integer",
+      minimum: 0
+    },
+    ignorePattern: {
+      type: "string"
+    },
+    ignoreComments: {
+      type: "boolean"
+    },
+    ignoreStrings: {
+      type: "boolean"
+    },
+    ignoreUrls: {
+      type: "boolean"
+    },
+    ignoreTemplateLiterals: {
+      type: "boolean"
+    },
+    ignoreRegExpLiterals: {
+      type: "boolean"
+    },
+    ignoreTrailingComments: {
+      type: "boolean"
+    }
+  },
+  additionalProperties: false
+};
+const OPTIONS_OR_INTEGER_SCHEMA = {
+  anyOf: [OPTIONS_SCHEMA, {
+    type: "integer",
+    minimum: 0
+  }]
+}; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce a maximum line length",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-len"
+    },
+    schema: [OPTIONS_OR_INTEGER_SCHEMA, OPTIONS_OR_INTEGER_SCHEMA, OPTIONS_SCHEMA],
+    messages: {
+      max: "This line has a length of {{lineLength}}. Maximum allowed is {{maxLength}}.",
+      maxComment: "This line has a comment length of {{lineLength}}. Maximum allowed is {{maxCommentLength}}."
+    }
+  },
+
+  create(context) {
+    /*
+     * Inspired by http://tools.ietf.org/html/rfc3986#appendix-B, however:
+     * - They're matching an entire string that we know is a URI
+     * - We're matching part of a string where we think there *might* be a URL
+     * - We're only concerned about URLs, as picking out any URI would cause
+     *   too many false positives
+     * - We don't care about matching the entire URL, any small segment is fine
+     */
+    const URL_REGEXP = /[^:/?#]:\/\/[^?#]/u;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Computes the length of a line that may contain tabs. The width of each
+     * tab will be the number of spaces to the next tab stop.
+     * @param {string} line The line.
+     * @param {int} tabWidth The width of each tab stop in spaces.
+     * @returns {int} The computed line length.
+     * @private
+     */
+
+    function computeLineLength(line, tabWidth) {
+      let extraCharacterCount = 0;
+      line.replace(/\t/gu, (match, offset) => {
+        const totalOffset = offset + extraCharacterCount,
+              previousTabStopOffset = tabWidth ? totalOffset % tabWidth : 0,
+              spaceCount = tabWidth - previousTabStopOffset;
+        extraCharacterCount += spaceCount - 1; // -1 for the replaced tab
+      });
+      return Array.from(line).length + extraCharacterCount;
+    } // The options object must be the last option specified…
+
+
+    const options = Object.assign({}, context.options[context.options.length - 1]); // …but max code length…
+
+    if (typeof context.options[0] === "number") {
+      options.code = context.options[0];
+    } // …and tabWidth can be optionally specified directly as integers.
+
+
+    if (typeof context.options[1] === "number") {
+      options.tabWidth = context.options[1];
+    }
+
+    const maxLength = typeof options.code === "number" ? options.code : 80,
+          tabWidth = typeof options.tabWidth === "number" ? options.tabWidth : 4,
+          ignoreComments = !!options.ignoreComments,
+          ignoreStrings = !!options.ignoreStrings,
+          ignoreTemplateLiterals = !!options.ignoreTemplateLiterals,
+          ignoreRegExpLiterals = !!options.ignoreRegExpLiterals,
+          ignoreTrailingComments = !!options.ignoreTrailingComments || !!options.ignoreComments,
+          ignoreUrls = !!options.ignoreUrls,
+          maxCommentLength = options.comments;
+    let ignorePattern = options.ignorePattern || null;
+
+    if (ignorePattern) {
+      ignorePattern = new RegExp(ignorePattern, "u");
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Tells if a given comment is trailing: it starts on the current line and
+     * extends to or past the end of the current line.
+     * @param {string} line The source line we want to check for a trailing comment on
+     * @param {number} lineNumber The one-indexed line number for line
+     * @param {ASTNode} comment The comment to inspect
+     * @returns {boolean} If the comment is trailing on the given line
+     */
+
+
+    function isTrailingComment(line, lineNumber, comment) {
+      return comment && comment.loc.start.line === lineNumber && lineNumber <= comment.loc.end.line && (comment.loc.end.line > lineNumber || comment.loc.end.column === line.length);
+    }
+    /**
+     * Tells if a comment encompasses the entire line.
+     * @param {string} line The source line with a trailing comment
+     * @param {number} lineNumber The one-indexed line number this is on
+     * @param {ASTNode} comment The comment to remove
+     * @returns {boolean} If the comment covers the entire line
+     */
+
+
+    function isFullLineComment(line, lineNumber, comment) {
+      const start = comment.loc.start,
+            end = comment.loc.end,
+            isFirstTokenOnLine = !line.slice(0, comment.loc.start.column).trim();
+      return comment && (start.line < lineNumber || start.line === lineNumber && isFirstTokenOnLine) && (end.line > lineNumber || end.line === lineNumber && end.column === line.length);
+    }
+    /**
+     * Check if a node is a JSXEmptyExpression contained in a single line JSXExpressionContainer.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} True if the node is a JSXEmptyExpression contained in a single line JSXExpressionContainer.
+     */
+
+
+    function isJSXEmptyExpressionInSingleLineContainer(node) {
+      if (!node || !node.parent || node.type !== "JSXEmptyExpression" || node.parent.type !== "JSXExpressionContainer") {
+        return false;
+      }
+
+      const parent = node.parent;
+      return parent.loc.start.line === parent.loc.end.line;
+    }
+    /**
+     * Gets the line after the comment and any remaining trailing whitespace is
+     * stripped.
+     * @param {string} line The source line with a trailing comment
+     * @param {ASTNode} comment The comment to remove
+     * @returns {string} Line without comment and trailing whitespace
+     */
+
+
+    function stripTrailingComment(line, comment) {
+      // loc.column is zero-indexed
+      return line.slice(0, comment.loc.start.column).replace(/\s+$/u, "");
+    }
+    /**
+     * Ensure that an array exists at [key] on `object`, and add `value` to it.
+     * @param {Object} object the object to mutate
+     * @param {string} key the object's key
+     * @param {*} value the value to add
+     * @returns {void}
+     * @private
+     */
+
+
+    function ensureArrayAndPush(object, key, value) {
+      if (!Array.isArray(object[key])) {
+        object[key] = [];
+      }
+
+      object[key].push(value);
+    }
+    /**
+     * Retrieves an array containing all strings (" or ') in the source code.
+     * @returns {ASTNode[]} An array of string nodes.
+     */
+
+
+    function getAllStrings() {
+      return sourceCode.ast.tokens.filter(token => token.type === "String" || token.type === "JSXText" && sourceCode.getNodeByRangeIndex(token.range[0] - 1).type === "JSXAttribute");
+    }
+    /**
+     * Retrieves an array containing all template literals in the source code.
+     * @returns {ASTNode[]} An array of template literal nodes.
+     */
+
+
+    function getAllTemplateLiterals() {
+      return sourceCode.ast.tokens.filter(token => token.type === "Template");
+    }
+    /**
+     * Retrieves an array containing all RegExp literals in the source code.
+     * @returns {ASTNode[]} An array of RegExp literal nodes.
+     */
+
+
+    function getAllRegExpLiterals() {
+      return sourceCode.ast.tokens.filter(token => token.type === "RegularExpression");
+    }
+    /**
+     * A reducer to group an AST node by line number, both start and end.
+     * @param {Object} acc the accumulator
+     * @param {ASTNode} node the AST node in question
+     * @returns {Object} the modified accumulator
+     * @private
+     */
+
+
+    function groupByLineNumber(acc, node) {
+      for (let i = node.loc.start.line; i <= node.loc.end.line; ++i) {
+        ensureArrayAndPush(acc, i, node);
+      }
+
+      return acc;
+    }
+    /**
+     * Returns an array of all comments in the source code.
+     * If the element in the array is a JSXEmptyExpression contained with a single line JSXExpressionContainer,
+     * the element is changed with JSXExpressionContainer node.
+     * @returns {ASTNode[]} An array of comment nodes
+     */
+
+
+    function getAllComments() {
+      const comments = [];
+      sourceCode.getAllComments().forEach(commentNode => {
+        const containingNode = sourceCode.getNodeByRangeIndex(commentNode.range[0]);
+
+        if (isJSXEmptyExpressionInSingleLineContainer(containingNode)) {
+          // push a unique node only
+          if (comments[comments.length - 1] !== containingNode.parent) {
+            comments.push(containingNode.parent);
+          }
+        } else {
+          comments.push(commentNode);
+        }
+      });
+      return comments;
+    }
+    /**
+     * Check the program for max length
+     * @param {ASTNode} node Node to examine
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkProgramForMaxLength(node) {
+      // split (honors line-ending)
+      const lines = sourceCode.lines,
+            // list of comments to ignore
+      comments = ignoreComments || maxCommentLength || ignoreTrailingComments ? getAllComments() : []; // we iterate over comments in parallel with the lines
+
+      let commentsIndex = 0;
+      const strings = getAllStrings();
+      const stringsByLine = strings.reduce(groupByLineNumber, {});
+      const templateLiterals = getAllTemplateLiterals();
+      const templateLiteralsByLine = templateLiterals.reduce(groupByLineNumber, {});
+      const regExpLiterals = getAllRegExpLiterals();
+      const regExpLiteralsByLine = regExpLiterals.reduce(groupByLineNumber, {});
+      lines.forEach((line, i) => {
+        // i is zero-indexed, line numbers are one-indexed
+        const lineNumber = i + 1;
+        /*
+         * if we're checking comment length; we need to know whether this
+         * line is a comment
+         */
+
+        let lineIsComment = false;
+        let textToMeasure;
+        /*
+         * We can short-circuit the comment checks if we're already out of
+         * comments to check.
+         */
+
+        if (commentsIndex < comments.length) {
+          let comment = null; // iterate over comments until we find one past the current line
+
+          do {
+            comment = comments[++commentsIndex];
+          } while (comment && comment.loc.start.line <= lineNumber); // and step back by one
+
+
+          comment = comments[--commentsIndex];
+
+          if (isFullLineComment(line, lineNumber, comment)) {
+            lineIsComment = true;
+            textToMeasure = line;
+          } else if (ignoreTrailingComments && isTrailingComment(line, lineNumber, comment)) {
+            textToMeasure = stripTrailingComment(line, comment); // ignore multiple trailing comments in the same line
+
+            let lastIndex = commentsIndex;
+
+            while (isTrailingComment(textToMeasure, lineNumber, comments[--lastIndex])) {
+              textToMeasure = stripTrailingComment(textToMeasure, comments[lastIndex]);
+            }
+          } else {
+            textToMeasure = line;
+          }
+        } else {
+          textToMeasure = line;
+        }
+
+        if (ignorePattern && ignorePattern.test(textToMeasure) || ignoreUrls && URL_REGEXP.test(textToMeasure) || ignoreStrings && stringsByLine[lineNumber] || ignoreTemplateLiterals && templateLiteralsByLine[lineNumber] || ignoreRegExpLiterals && regExpLiteralsByLine[lineNumber]) {
+          // ignore this line
+          return;
+        }
+
+        const lineLength = computeLineLength(textToMeasure, tabWidth);
+        const commentLengthApplies = lineIsComment && maxCommentLength;
+
+        if (lineIsComment && ignoreComments) {
+          return;
+        }
+
+        if (commentLengthApplies) {
+          if (lineLength > maxCommentLength) {
+            context.report({
+              node,
+              loc: {
+                line: lineNumber,
+                column: 0
+              },
+              messageId: "maxComment",
+              data: {
+                lineLength,
+                maxCommentLength
+              }
+            });
+          }
+        } else if (lineLength > maxLength) {
+          context.report({
+            node,
+            loc: {
+              line: lineNumber,
+              column: 0
+            },
+            messageId: "max",
+            data: {
+              lineLength,
+              maxLength
+            }
+          });
+        }
+      });
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: checkProgramForMaxLength
+    };
+  }
+
+};
+
+/***/ }),
+/* 495 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce a maximum file length
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum number of lines per file",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-lines"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          max: {
+            type: "integer",
+            minimum: 0
+          },
+          skipComments: {
+            type: "boolean"
+          },
+          skipBlankLines: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      exceed: "File has too many lines ({{actual}}). Maximum allowed is {{max}}."
+    }
+  },
+
+  create(context) {
+    const option = context.options[0];
+    let max = 300;
+
+    if (typeof option === "object" && Object.prototype.hasOwnProperty.call(option, "max")) {
+      max = option.max;
+    } else if (typeof option === "number") {
+      max = option;
+    }
+
+    const skipComments = option && option.skipComments;
+    const skipBlankLines = option && option.skipBlankLines;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Returns whether or not a token is a comment node type
+     * @param {Token} token The token to check
+     * @returns {boolean} True if the token is a comment node
+     */
+
+    function isCommentNodeType(token) {
+      return token && (token.type === "Block" || token.type === "Line");
+    }
+    /**
+     * Returns the line numbers of a comment that don't have any code on the same line
+     * @param {Node} comment The comment node to check
+     * @returns {number[]} The line numbers
+     */
+
+
+    function getLinesWithoutCode(comment) {
+      let start = comment.loc.start.line;
+      let end = comment.loc.end.line;
+      let token;
+      token = comment;
+
+      do {
+        token = sourceCode.getTokenBefore(token, {
+          includeComments: true
+        });
+      } while (isCommentNodeType(token));
+
+      if (token && astUtils.isTokenOnSameLine(token, comment)) {
+        start += 1;
+      }
+
+      token = comment;
+
+      do {
+        token = sourceCode.getTokenAfter(token, {
+          includeComments: true
+        });
+      } while (isCommentNodeType(token));
+
+      if (token && astUtils.isTokenOnSameLine(comment, token)) {
+        end -= 1;
+      }
+
+      if (start <= end) {
+        return lodash.range(start, end + 1);
+      }
+
+      return [];
+    }
+
+    return {
+      "Program:exit"() {
+        let lines = sourceCode.lines.map((text, i) => ({
+          lineNumber: i + 1,
+          text
+        }));
+
+        if (skipBlankLines) {
+          lines = lines.filter(l => l.text.trim() !== "");
+        }
+
+        if (skipComments) {
+          const comments = sourceCode.getAllComments();
+          const commentLines = lodash.flatten(comments.map(comment => getLinesWithoutCode(comment)));
+          lines = lines.filter(l => !lodash.includes(commentLines, l.lineNumber));
+        }
+
+        if (lines.length > max) {
+          context.report({
+            loc: {
+              line: 1,
+              column: 0
+            },
+            messageId: "exceed",
+            data: {
+              max,
+              actual: lines.length
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 496 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to set the maximum number of line of code in a function.
+ * @author Pete Ward <peteward44@gmail.com>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+
+const OPTIONS_SCHEMA = {
+  type: "object",
+  properties: {
+    max: {
+      type: "integer",
+      minimum: 0
+    },
+    skipComments: {
+      type: "boolean"
+    },
+    skipBlankLines: {
+      type: "boolean"
+    },
+    IIFEs: {
+      type: "boolean"
+    }
+  },
+  additionalProperties: false
+};
+const OPTIONS_OR_INTEGER_SCHEMA = {
+  oneOf: [OPTIONS_SCHEMA, {
+    type: "integer",
+    minimum: 1
+  }]
+};
+/**
+ * Given a list of comment nodes, return a map with numeric keys (source code line numbers) and comment token values.
+ * @param {Array} comments An array of comment nodes.
+ * @returns {Map.<string,Node>} A map with numeric keys (source code line numbers) and comment token values.
+ */
+
+function getCommentLineNumbers(comments) {
+  const map = new Map();
+  comments.forEach(comment => {
+    for (let i = comment.loc.start.line; i <= comment.loc.end.line; i++) {
+      map.set(i, comment);
+    }
+  });
+  return map;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum number of line of code in a function",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-lines-per-function"
+    },
+    schema: [OPTIONS_OR_INTEGER_SCHEMA],
+    messages: {
+      exceed: "{{name}} has too many lines ({{lineCount}}). Maximum allowed is {{maxLines}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const lines = sourceCode.lines;
+    const option = context.options[0];
+    let maxLines = 50;
+    let skipComments = false;
+    let skipBlankLines = false;
+    let IIFEs = false;
+
+    if (typeof option === "object") {
+      maxLines = typeof option.max === "number" ? option.max : 50;
+      skipComments = !!option.skipComments;
+      skipBlankLines = !!option.skipBlankLines;
+      IIFEs = !!option.IIFEs;
+    } else if (typeof option === "number") {
+      maxLines = option;
+    }
+
+    const commentLineNumbers = getCommentLineNumbers(sourceCode.getAllComments()); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Tells if a comment encompasses the entire line.
+     * @param {string} line The source line with a trailing comment
+     * @param {number} lineNumber The one-indexed line number this is on
+     * @param {ASTNode} comment The comment to remove
+     * @returns {boolean} If the comment covers the entire line
+     */
+
+    function isFullLineComment(line, lineNumber, comment) {
+      const start = comment.loc.start,
+            end = comment.loc.end,
+            isFirstTokenOnLine = start.line === lineNumber && !line.slice(0, start.column).trim(),
+            isLastTokenOnLine = end.line === lineNumber && !line.slice(end.column).trim();
+      return comment && (start.line < lineNumber || isFirstTokenOnLine) && (end.line > lineNumber || isLastTokenOnLine);
+    }
+    /**
+     * Identifies is a node is a FunctionExpression which is part of an IIFE
+     * @param {ASTNode} node Node to test
+     * @returns {boolean} True if it's an IIFE
+     */
+
+
+    function isIIFE(node) {
+      return node.type === "FunctionExpression" && node.parent && node.parent.type === "CallExpression" && node.parent.callee === node;
+    }
+    /**
+     * Identifies is a node is a FunctionExpression which is embedded within a MethodDefinition or Property
+     * @param {ASTNode} node Node to test
+     * @returns {boolean} True if it's a FunctionExpression embedded within a MethodDefinition or Property
+     */
+
+
+    function isEmbedded(node) {
+      if (!node.parent) {
+        return false;
+      }
+
+      if (node !== node.parent.value) {
+        return false;
+      }
+
+      if (node.parent.type === "MethodDefinition") {
+        return true;
+      }
+
+      if (node.parent.type === "Property") {
+        return node.parent.method === true || node.parent.kind === "get" || node.parent.kind === "set";
+      }
+
+      return false;
+    }
+    /**
+     * Count the lines in the function
+     * @param {ASTNode} funcNode Function AST node
+     * @returns {void}
+     * @private
+     */
+
+
+    function processFunction(funcNode) {
+      const node = isEmbedded(funcNode) ? funcNode.parent : funcNode;
+
+      if (!IIFEs && isIIFE(node)) {
+        return;
+      }
+
+      let lineCount = 0;
+
+      for (let i = node.loc.start.line - 1; i < node.loc.end.line; ++i) {
+        const line = lines[i];
+
+        if (skipComments) {
+          if (commentLineNumbers.has(i + 1) && isFullLineComment(line, i + 1, commentLineNumbers.get(i + 1))) {
+            continue;
+          }
+        }
+
+        if (skipBlankLines) {
+          if (line.match(/^\s*$/u)) {
+            continue;
+          }
+        }
+
+        lineCount++;
+      }
+
+      if (lineCount > maxLines) {
+        const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(funcNode));
+        context.report({
+          node,
+          messageId: "exceed",
+          data: {
+            name,
+            lineCount,
+            maxLines
+          }
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      FunctionDeclaration: processFunction,
+      FunctionExpression: processFunction,
+      ArrowFunctionExpression: processFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 497 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce a maximum number of nested callbacks.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum depth that callbacks can be nested",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-nested-callbacks"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          maximum: {
+            type: "integer",
+            minimum: 0
+          },
+          max: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      exceed: "Too many nested callbacks ({{num}}). Maximum allowed is {{max}}."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Constants
+    //--------------------------------------------------------------------------
+    const option = context.options[0];
+    let THRESHOLD = 10;
+
+    if (typeof option === "object" && (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))) {
+      THRESHOLD = option.maximum || option.max;
+    } else if (typeof option === "number") {
+      THRESHOLD = option;
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+
+    const callbackStack = [];
+    /**
+     * Checks a given function node for too many callbacks.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     * @private
+     */
+
+    function checkFunction(node) {
+      const parent = node.parent;
+
+      if (parent.type === "CallExpression") {
+        callbackStack.push(node);
+      }
+
+      if (callbackStack.length > THRESHOLD) {
+        const opts = {
+          num: callbackStack.length,
+          max: THRESHOLD
+        };
+        context.report({
+          node,
+          messageId: "exceed",
+          data: opts
+        });
+      }
+    }
+    /**
+     * Pops the call stack.
+     * @returns {void}
+     * @private
+     */
+
+
+    function popStack() {
+      callbackStack.pop();
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ArrowFunctionExpression: checkFunction,
+      "ArrowFunctionExpression:exit": popStack,
+      FunctionExpression: checkFunction,
+      "FunctionExpression:exit": popStack
+    };
+  }
+
+};
+
+/***/ }),
+/* 498 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when a function has too many parameters
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum number of parameters in function definitions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-params"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          maximum: {
+            type: "integer",
+            minimum: 0
+          },
+          max: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      exceed: "{{name}} has too many parameters ({{count}}). Maximum allowed is {{max}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const option = context.options[0];
+    let numParams = 3;
+
+    if (typeof option === "object" && (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))) {
+      numParams = option.maximum || option.max;
+    }
+
+    if (typeof option === "number") {
+      numParams = option;
+    }
+    /**
+     * Checks a function to see if it has too many parameters.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkFunction(node) {
+      if (node.params.length > numParams) {
+        context.report({
+          loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+          node,
+          messageId: "exceed",
+          data: {
+            name: lodash.upperFirst(astUtils.getFunctionNameWithKind(node)),
+            count: node.params.length,
+            max: numParams
+          }
+        });
+      }
+    }
+
+    return {
+      FunctionDeclaration: checkFunction,
+      ArrowFunctionExpression: checkFunction,
+      FunctionExpression: checkFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 499 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to set the maximum number of statements in a function.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a maximum number of statements allowed in function blocks",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-statements"
+    },
+    schema: [{
+      oneOf: [{
+        type: "integer",
+        minimum: 0
+      }, {
+        type: "object",
+        properties: {
+          maximum: {
+            type: "integer",
+            minimum: 0
+          },
+          max: {
+            type: "integer",
+            minimum: 0
+          }
+        },
+        additionalProperties: false
+      }]
+    }, {
+      type: "object",
+      properties: {
+        ignoreTopLevelFunctions: {
+          type: "boolean"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      exceed: "{{name}} has too many statements ({{count}}). Maximum allowed is {{max}}."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    const functionStack = [],
+          option = context.options[0],
+          ignoreTopLevelFunctions = context.options[1] && context.options[1].ignoreTopLevelFunctions || false,
+          topLevelFunctions = [];
+    let maxStatements = 10;
+
+    if (typeof option === "object" && (Object.prototype.hasOwnProperty.call(option, "maximum") || Object.prototype.hasOwnProperty.call(option, "max"))) {
+      maxStatements = option.maximum || option.max;
+    } else if (typeof option === "number") {
+      maxStatements = option;
+    }
+    /**
+     * Reports a node if it has too many statements
+     * @param {ASTNode} node node to evaluate
+     * @param {int} count Number of statements in node
+     * @param {int} max Maximum number of statements allowed
+     * @returns {void}
+     * @private
+     */
+
+
+    function reportIfTooManyStatements(node, count, max) {
+      if (count > max) {
+        const name = lodash.upperFirst(astUtils.getFunctionNameWithKind(node));
+        context.report({
+          node,
+          messageId: "exceed",
+          data: {
+            name,
+            count,
+            max
+          }
+        });
+      }
+    }
+    /**
+     * When parsing a new function, store it in our function stack
+     * @returns {void}
+     * @private
+     */
+
+
+    function startFunction() {
+      functionStack.push(0);
+    }
+    /**
+     * Evaluate the node at the end of function
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function endFunction(node) {
+      const count = functionStack.pop();
+
+      if (ignoreTopLevelFunctions && functionStack.length === 0) {
+        topLevelFunctions.push({
+          node,
+          count
+        });
+      } else {
+        reportIfTooManyStatements(node, count, maxStatements);
+      }
+    }
+    /**
+     * Increment the count of the functions
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function countStatements(node) {
+      functionStack[functionStack.length - 1] += node.body.length;
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      FunctionDeclaration: startFunction,
+      FunctionExpression: startFunction,
+      ArrowFunctionExpression: startFunction,
+      BlockStatement: countStatements,
+      "FunctionDeclaration:exit": endFunction,
+      "FunctionExpression:exit": endFunction,
+      "ArrowFunctionExpression:exit": endFunction,
+
+      "Program:exit"() {
+        if (topLevelFunctions.length === 1) {
+          return;
+        }
+
+        topLevelFunctions.forEach(element => {
+          const count = element.count;
+          const node = element.node;
+          reportIfTooManyStatements(node, count, maxStatements);
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 500 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Specify the maximum number of statements allowed per line.
+ * @author Kenneth Williams
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce a maximum number of statements allowed per line",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/max-statements-per-line"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        max: {
+          type: "integer",
+          minimum: 1,
+          default: 1
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      exceed: "This line has {{numberOfStatementsOnThisLine}} {{statements}}. Maximum allowed is {{maxStatementsPerLine}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(),
+          options = context.options[0] || {},
+          maxStatementsPerLine = typeof options.max !== "undefined" ? options.max : 1;
+    let lastStatementLine = 0,
+        numberOfStatementsOnThisLine = 0,
+        firstExtraStatement; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    const SINGLE_CHILD_ALLOWED = /^(?:(?:DoWhile|For|ForIn|ForOf|If|Labeled|While)Statement|Export(?:Default|Named)Declaration)$/u;
+    /**
+     * Reports with the first extra statement, and clears it.
+     * @returns {void}
+     */
+
+    function reportFirstExtraStatementAndClear() {
+      if (firstExtraStatement) {
+        context.report({
+          node: firstExtraStatement,
+          messageId: "exceed",
+          data: {
+            numberOfStatementsOnThisLine,
+            maxStatementsPerLine,
+            statements: numberOfStatementsOnThisLine === 1 ? "statement" : "statements"
+          }
+        });
+      }
+
+      firstExtraStatement = null;
+    }
+    /**
+     * Gets the actual last token of a given node.
+     * @param {ASTNode} node A node to get. This is a node except EmptyStatement.
+     * @returns {Token} The actual last token.
+     */
+
+
+    function getActualLastToken(node) {
+      return sourceCode.getLastToken(node, astUtils.isNotSemicolonToken);
+    }
+    /**
+     * Addresses a given node.
+     * It updates the state of this rule, then reports the node if the node violated this rule.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+
+    function enterStatement(node) {
+      const line = node.loc.start.line;
+      /*
+       * Skip to allow non-block statements if this is direct child of control statements.
+       * `if (a) foo();` is counted as 1.
+       * But `if (a) foo(); else foo();` should be counted as 2.
+       */
+
+      if (SINGLE_CHILD_ALLOWED.test(node.parent.type) && node.parent.alternate !== node) {
+        return;
+      } // Update state.
+
+
+      if (line === lastStatementLine) {
+        numberOfStatementsOnThisLine += 1;
+      } else {
+        reportFirstExtraStatementAndClear();
+        numberOfStatementsOnThisLine = 1;
+        lastStatementLine = line;
+      } // Reports if the node violated this rule.
+
+
+      if (numberOfStatementsOnThisLine === maxStatementsPerLine + 1) {
+        firstExtraStatement = firstExtraStatement || node;
+      }
+    }
+    /**
+     * Updates the state of this rule with the end line of leaving node to check with the next statement.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+
+    function leaveStatement(node) {
+      const line = getActualLastToken(node).loc.end.line; // Update state.
+
+      if (line !== lastStatementLine) {
+        reportFirstExtraStatementAndClear();
+        numberOfStatementsOnThisLine = 1;
+        lastStatementLine = line;
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      BreakStatement: enterStatement,
+      ClassDeclaration: enterStatement,
+      ContinueStatement: enterStatement,
+      DebuggerStatement: enterStatement,
+      DoWhileStatement: enterStatement,
+      ExpressionStatement: enterStatement,
+      ForInStatement: enterStatement,
+      ForOfStatement: enterStatement,
+      ForStatement: enterStatement,
+      FunctionDeclaration: enterStatement,
+      IfStatement: enterStatement,
+      ImportDeclaration: enterStatement,
+      LabeledStatement: enterStatement,
+      ReturnStatement: enterStatement,
+      SwitchStatement: enterStatement,
+      ThrowStatement: enterStatement,
+      TryStatement: enterStatement,
+      VariableDeclaration: enterStatement,
+      WhileStatement: enterStatement,
+      WithStatement: enterStatement,
+      ExportNamedDeclaration: enterStatement,
+      ExportDefaultDeclaration: enterStatement,
+      ExportAllDeclaration: enterStatement,
+      "BreakStatement:exit": leaveStatement,
+      "ClassDeclaration:exit": leaveStatement,
+      "ContinueStatement:exit": leaveStatement,
+      "DebuggerStatement:exit": leaveStatement,
+      "DoWhileStatement:exit": leaveStatement,
+      "ExpressionStatement:exit": leaveStatement,
+      "ForInStatement:exit": leaveStatement,
+      "ForOfStatement:exit": leaveStatement,
+      "ForStatement:exit": leaveStatement,
+      "FunctionDeclaration:exit": leaveStatement,
+      "IfStatement:exit": leaveStatement,
+      "ImportDeclaration:exit": leaveStatement,
+      "LabeledStatement:exit": leaveStatement,
+      "ReturnStatement:exit": leaveStatement,
+      "SwitchStatement:exit": leaveStatement,
+      "ThrowStatement:exit": leaveStatement,
+      "TryStatement:exit": leaveStatement,
+      "VariableDeclaration:exit": leaveStatement,
+      "WhileStatement:exit": leaveStatement,
+      "WithStatement:exit": leaveStatement,
+      "ExportNamedDeclaration:exit": leaveStatement,
+      "ExportDefaultDeclaration:exit": leaveStatement,
+      "ExportAllDeclaration:exit": leaveStatement,
+      "Program:exit": reportFirstExtraStatementAndClear
+    };
+  }
+
+};
+
+/***/ }),
+/* 501 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce a particular style for multiline comments
+ * @author Teddy Katz
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce a particular style for multiline comments",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/multiline-comment-style"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["starred-block", "separate-lines", "bare-block"]
+    }],
+    messages: {
+      expectedBlock: "Expected a block comment instead of consecutive line comments.",
+      expectedBareBlock: "Expected a block comment without padding stars.",
+      startNewline: "Expected a linebreak after '/*'.",
+      endNewline: "Expected a linebreak before '*/'.",
+      missingStar: "Expected a '*' at the start of this line.",
+      alignment: "Expected this line to be aligned with the start of the comment.",
+      expectedLines: "Expected multiple line comments instead of a block comment."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const option = context.options[0] || "starred-block"; //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Checks if a comment line is starred.
+     * @param {string} line A string representing a comment line.
+     * @returns {boolean} Whether or not the comment line is starred.
+     */
+
+    function isStarredCommentLine(line) {
+      return /^\s*\*/u.test(line);
+    }
+    /**
+     * Checks if a comment group is in starred-block form.
+     * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment.
+     * @returns {boolean} Whether or not the comment group is in starred block form.
+     */
+
+
+    function isStarredBlockComment([firstComment]) {
+      if (firstComment.type !== "Block") {
+        return false;
+      }
+
+      const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER); // The first and last lines can only contain whitespace.
+
+      return lines.length > 0 && lines.every((line, i) => (i === 0 || i === lines.length - 1 ? /^\s*$/u : /^\s*\*/u).test(line));
+    }
+    /**
+     * Checks if a comment group is in JSDoc form.
+     * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment.
+     * @returns {boolean} Whether or not the comment group is in JSDoc form.
+     */
+
+
+    function isJSDocComment([firstComment]) {
+      if (firstComment.type !== "Block") {
+        return false;
+      }
+
+      const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);
+      return /^\*\s*$/u.test(lines[0]) && lines.slice(1, -1).every(line => /^\s* /u.test(line)) && /^\s*$/u.test(lines[lines.length - 1]);
+    }
+    /**
+     * Processes a comment group that is currently in separate-line form, calculating the offset for each line.
+     * @param {Token[]} commentGroup A group of comments containing multiple line comments.
+     * @returns {string[]} An array of the processed lines.
+     */
+
+
+    function processSeparateLineComments(commentGroup) {
+      const allLinesHaveLeadingSpace = commentGroup.map(({
+        value
+      }) => value).filter(line => line.trim().length).every(line => line.startsWith(" "));
+      return commentGroup.map(({
+        value
+      }) => allLinesHaveLeadingSpace ? value.replace(/^ /u, "") : value);
+    }
+    /**
+     * Processes a comment group that is currently in starred-block form, calculating the offset for each line.
+     * @param {Token} comment A single block comment token in starred-block form.
+     * @returns {string[]} An array of the processed lines.
+     */
+
+
+    function processStarredBlockComment(comment) {
+      const lines = comment.value.split(astUtils.LINEBREAK_MATCHER).filter((line, i, linesArr) => !(i === 0 || i === linesArr.length - 1)).map(line => line.replace(/^\s*$/u, ""));
+      const allLinesHaveLeadingSpace = lines.map(line => line.replace(/\s*\*/u, "")).filter(line => line.trim().length).every(line => line.startsWith(" "));
+      return lines.map(line => line.replace(allLinesHaveLeadingSpace ? /\s*\* ?/u : /\s*\*/u, ""));
+    }
+    /**
+     * Processes a comment group that is currently in bare-block form, calculating the offset for each line.
+     * @param {Token} comment A single block comment token in bare-block form.
+     * @returns {string[]} An array of the processed lines.
+     */
+
+
+    function processBareBlockComment(comment) {
+      const lines = comment.value.split(astUtils.LINEBREAK_MATCHER).map(line => line.replace(/^\s*$/u, ""));
+      const leadingWhitespace = "".concat(sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0]), "   ");
+      let offset = "";
+      /*
+       * Calculate the offset of the least indented line and use that as the basis for offsetting all the lines.
+       * The first line should not be checked because it is inline with the opening block comment delimiter.
+       */
+
+      for (const [i, line] of lines.entries()) {
+        if (!line.trim().length || i === 0) {
+          continue;
+        }
+
+        const [, lineOffset] = line.match(/^(\s*\*?\s*)/u);
+
+        if (lineOffset.length < leadingWhitespace.length) {
+          const newOffset = leadingWhitespace.slice(lineOffset.length - leadingWhitespace.length);
+
+          if (newOffset.length > offset.length) {
+            offset = newOffset;
+          }
+        }
+      }
+
+      return lines.map(line => {
+        const match = line.match(/^(\s*\*?\s*)(.*)/u);
+        const [, lineOffset, lineContents] = match;
+
+        if (lineOffset.length > leadingWhitespace.length) {
+          return "".concat(lineOffset.slice(leadingWhitespace.length - (offset.length + lineOffset.length))).concat(lineContents);
+        }
+
+        if (lineOffset.length < leadingWhitespace.length) {
+          return "".concat(lineOffset.slice(leadingWhitespace.length)).concat(lineContents);
+        }
+
+        return lineContents;
+      });
+    }
+    /**
+     * Gets a list of comment lines in a group, formatting leading whitespace as necessary.
+     * @param {Token[]} commentGroup A group of comments containing either multiple line comments or a single block comment.
+     * @returns {string[]} A list of comment lines.
+     */
+
+
+    function getCommentLines(commentGroup) {
+      const [firstComment] = commentGroup;
+
+      if (firstComment.type === "Line") {
+        return processSeparateLineComments(commentGroup);
+      }
+
+      if (isStarredBlockComment(commentGroup)) {
+        return processStarredBlockComment(firstComment);
+      }
+
+      return processBareBlockComment(firstComment);
+    }
+    /**
+     * Gets the initial offset (whitespace) from the beginning of a line to a given comment token.
+     * @param {Token} comment The token to check.
+     * @returns {string} The offset from the beginning of a line to the token.
+     */
+
+
+    function getInitialOffset(comment) {
+      return sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0]);
+    }
+    /**
+     * Converts a comment into starred-block form
+     * @param {Token} firstComment The first comment of the group being converted
+     * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+     * @returns {string} A representation of the comment value in starred-block form, excluding start and end markers
+     */
+
+
+    function convertToStarredBlock(firstComment, commentLinesList) {
+      const initialOffset = getInitialOffset(firstComment);
+      return "/*\n".concat(commentLinesList.map(line => "".concat(initialOffset, " * ").concat(line)).join("\n"), "\n").concat(initialOffset, " */");
+    }
+    /**
+     * Converts a comment into separate-line form
+     * @param {Token} firstComment The first comment of the group being converted
+     * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+     * @returns {string} A representation of the comment value in separate-line form
+     */
+
+
+    function convertToSeparateLines(firstComment, commentLinesList) {
+      return commentLinesList.map(line => "// ".concat(line)).join("\n".concat(getInitialOffset(firstComment)));
+    }
+    /**
+     * Converts a comment into bare-block form
+     * @param {Token} firstComment The first comment of the group being converted
+     * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment
+     * @returns {string} A representation of the comment value in bare-block form
+     */
+
+
+    function convertToBlock(firstComment, commentLinesList) {
+      return "/* ".concat(commentLinesList.join("\n".concat(getInitialOffset(firstComment), "   ")), " */");
+    }
+    /**
+     * Each method checks a group of comments to see if it's valid according to the given option.
+     * @param {Token[]} commentGroup A list of comments that appear together. This will either contain a single
+     * block comment or multiple line comments.
+     * @returns {void}
+     */
+
+
+    const commentGroupCheckers = {
+      "starred-block"(commentGroup) {
+        const [firstComment] = commentGroup;
+        const commentLines = getCommentLines(commentGroup);
+
+        if (commentLines.some(value => value.includes("*/"))) {
+          return;
+        }
+
+        if (commentGroup.length > 1) {
+          context.report({
+            loc: {
+              start: firstComment.loc.start,
+              end: commentGroup[commentGroup.length - 1].loc.end
+            },
+            messageId: "expectedBlock",
+
+            fix(fixer) {
+              const range = [firstComment.range[0], commentGroup[commentGroup.length - 1].range[1]];
+              return commentLines.some(value => value.startsWith("/")) ? null : fixer.replaceTextRange(range, convertToStarredBlock(firstComment, commentLines));
+            }
+
+          });
+        } else {
+          const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER);
+          const expectedLeadingWhitespace = getInitialOffset(firstComment);
+          const expectedLinePrefix = "".concat(expectedLeadingWhitespace, " *");
+
+          if (!/^\*?\s*$/u.test(lines[0])) {
+            const start = firstComment.value.startsWith("*") ? firstComment.range[0] + 1 : firstComment.range[0];
+            context.report({
+              loc: {
+                start: firstComment.loc.start,
+                end: {
+                  line: firstComment.loc.start.line,
+                  column: firstComment.loc.start.column + 2
+                }
+              },
+              messageId: "startNewline",
+              fix: fixer => fixer.insertTextAfterRange([start, start + 2], "\n".concat(expectedLinePrefix))
+            });
+          }
+
+          if (!/^\s*$/u.test(lines[lines.length - 1])) {
+            context.report({
+              loc: {
+                start: {
+                  line: firstComment.loc.end.line,
+                  column: firstComment.loc.end.column - 2
+                },
+                end: firstComment.loc.end
+              },
+              messageId: "endNewline",
+              fix: fixer => fixer.replaceTextRange([firstComment.range[1] - 2, firstComment.range[1]], "\n".concat(expectedLinePrefix, "/"))
+            });
+          }
+
+          for (let lineNumber = firstComment.loc.start.line + 1; lineNumber <= firstComment.loc.end.line; lineNumber++) {
+            const lineText = sourceCode.lines[lineNumber - 1];
+            const errorType = isStarredCommentLine(lineText) ? "alignment" : "missingStar";
+
+            if (!lineText.startsWith(expectedLinePrefix)) {
+              context.report({
+                loc: {
+                  start: {
+                    line: lineNumber,
+                    column: 0
+                  },
+                  end: {
+                    line: lineNumber,
+                    column: lineText.length
+                  }
+                },
+                messageId: errorType,
+
+                fix(fixer) {
+                  const lineStartIndex = sourceCode.getIndexFromLoc({
+                    line: lineNumber,
+                    column: 0
+                  });
+
+                  if (errorType === "alignment") {
+                    const [, commentTextPrefix = ""] = lineText.match(/^(\s*\*)/u) || [];
+                    const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
+                    return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], expectedLinePrefix);
+                  }
+
+                  const [, commentTextPrefix = ""] = lineText.match(/^(\s*)/u) || [];
+                  const commentTextStartIndex = lineStartIndex + commentTextPrefix.length;
+                  let offset;
+
+                  for (const [idx, line] of lines.entries()) {
+                    if (!/\S+/u.test(line)) {
+                      continue;
+                    }
+
+                    const lineTextToAlignWith = sourceCode.lines[firstComment.loc.start.line - 1 + idx];
+                    const [, prefix = "", initialOffset = ""] = lineTextToAlignWith.match(/^(\s*(?:\/?\*)?(\s*))/u) || [];
+                    offset = "".concat(commentTextPrefix.slice(prefix.length)).concat(initialOffset);
+
+                    if (/^\s*\//u.test(lineText) && offset.length === 0) {
+                      offset += " ";
+                    }
+
+                    break;
+                  }
+
+                  return fixer.replaceTextRange([lineStartIndex, commentTextStartIndex], "".concat(expectedLinePrefix).concat(offset));
+                }
+
+              });
+            }
+          }
+        }
+      },
+
+      "separate-lines"(commentGroup) {
+        const [firstComment] = commentGroup;
+
+        if (firstComment.type !== "Block" || isJSDocComment(commentGroup)) {
+          return;
+        }
+
+        const commentLines = getCommentLines(commentGroup);
+        const tokenAfter = sourceCode.getTokenAfter(firstComment, {
+          includeComments: true
+        });
+
+        if (tokenAfter && firstComment.loc.end.line === tokenAfter.loc.start.line) {
+          return;
+        }
+
+        context.report({
+          loc: {
+            start: firstComment.loc.start,
+            end: {
+              line: firstComment.loc.start.line,
+              column: firstComment.loc.start.column + 2
+            }
+          },
+          messageId: "expectedLines",
+
+          fix(fixer) {
+            return fixer.replaceText(firstComment, convertToSeparateLines(firstComment, commentLines));
+          }
+
+        });
+      },
+
+      "bare-block"(commentGroup) {
+        if (isJSDocComment(commentGroup)) {
+          return;
+        }
+
+        const [firstComment] = commentGroup;
+        const commentLines = getCommentLines(commentGroup); // Disallows consecutive line comments in favor of using a block comment.
+
+        if (firstComment.type === "Line" && commentLines.length > 1 && !commentLines.some(value => value.includes("*/"))) {
+          context.report({
+            loc: {
+              start: firstComment.loc.start,
+              end: commentGroup[commentGroup.length - 1].loc.end
+            },
+            messageId: "expectedBlock",
+
+            fix(fixer) {
+              return fixer.replaceTextRange([firstComment.range[0], commentGroup[commentGroup.length - 1].range[1]], convertToBlock(firstComment, commentLines));
+            }
+
+          });
+        } // Prohibits block comments from having a * at the beginning of each line.
+
+
+        if (isStarredBlockComment(commentGroup)) {
+          context.report({
+            loc: {
+              start: firstComment.loc.start,
+              end: {
+                line: firstComment.loc.start.line,
+                column: firstComment.loc.start.column + 2
+              }
+            },
+            messageId: "expectedBareBlock",
+
+            fix(fixer) {
+              return fixer.replaceText(firstComment, convertToBlock(firstComment, commentLines));
+            }
+
+          });
+        }
+      }
+
+    }; //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+    return {
+      Program() {
+        return sourceCode.getAllComments().filter(comment => comment.type !== "Shebang").filter(comment => !astUtils.COMMENTS_IGNORE_PATTERN.test(comment.value)).filter(comment => {
+          const tokenBefore = sourceCode.getTokenBefore(comment, {
+            includeComments: true
+          });
+          return !tokenBefore || tokenBefore.loc.end.line < comment.loc.start.line;
+        }).reduce((commentGroups, comment, index, commentList) => {
+          const tokenBefore = sourceCode.getTokenBefore(comment, {
+            includeComments: true
+          });
+
+          if (comment.type === "Line" && index && commentList[index - 1].type === "Line" && tokenBefore && tokenBefore.loc.end.line === comment.loc.start.line - 1 && tokenBefore === commentList[index - 1]) {
+            commentGroups[commentGroups.length - 1].push(comment);
+          } else {
+            commentGroups.push([comment]);
+          }
+
+          return commentGroups;
+        }, []).filter(commentGroup => !(commentGroup.length === 1 && commentGroup[0].loc.start.line === commentGroup[0].loc.end.line)).forEach(commentGroupCheckers[option]);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 502 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforce newlines between operands of ternary expressions
+ * @author Kai Cataldo
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce newlines between operands of ternary expressions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/multiline-ternary"
+    },
+    schema: [{
+      enum: ["always", "always-multiline", "never"]
+    }],
+    messages: {
+      expectedTestCons: "Expected newline between test and consequent of ternary expression.",
+      expectedConsAlt: "Expected newline between consequent and alternate of ternary expression.",
+      unexpectedTestCons: "Unexpected newline between test and consequent of ternary expression.",
+      unexpectedConsAlt: "Unexpected newline between consequent and alternate of ternary expression."
+    }
+  },
+
+  create(context) {
+    const option = context.options[0];
+    const multiline = option !== "never";
+    const allowSingleLine = option === "always-multiline"; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Tests whether node is preceded by supplied tokens
+     * @param {ASTNode} node node to check
+     * @param {ASTNode} parentNode parent of node to report
+     * @param {boolean} expected whether newline was expected or not
+     * @returns {void}
+     * @private
+     */
+
+    function reportError(node, parentNode, expected) {
+      context.report({
+        node,
+        messageId: "".concat(expected ? "expected" : "unexpected").concat(node === parentNode.test ? "TestCons" : "ConsAlt")
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ConditionalExpression(node) {
+        const areTestAndConsequentOnSameLine = astUtils.isTokenOnSameLine(node.test, node.consequent);
+        const areConsequentAndAlternateOnSameLine = astUtils.isTokenOnSameLine(node.consequent, node.alternate);
+
+        if (!multiline) {
+          if (!areTestAndConsequentOnSameLine) {
+            reportError(node.test, node, false);
+          }
+
+          if (!areConsequentAndAlternateOnSameLine) {
+            reportError(node.consequent, node, false);
+          }
+        } else {
+          if (allowSingleLine && node.loc.start.line === node.loc.end.line) {
+            return;
+          }
+
+          if (areTestAndConsequentOnSameLine) {
+            reportError(node.test, node, true);
+          }
+
+          if (areConsequentAndAlternateOnSameLine) {
+            reportError(node.consequent, node, true);
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 503 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of constructors without capital letters
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const CAPS_ALLOWED = ["Array", "Boolean", "Date", "Error", "Function", "Number", "Object", "RegExp", "String", "Symbol", "BigInt"];
+/**
+ * Ensure that if the key is provided, it must be an array.
+ * @param {Object} obj Object to check with `key`.
+ * @param {string} key Object key to check on `obj`.
+ * @param {*} fallback If obj[key] is not present, this will be returned.
+ * @returns {string[]} Returns obj[key] if it's an Array, otherwise `fallback`
+ */
+
+function checkArray(obj, key, fallback) {
+  /* istanbul ignore if */
+  if (Object.prototype.hasOwnProperty.call(obj, key) && !Array.isArray(obj[key])) {
+    throw new TypeError("".concat(key, ", if provided, must be an Array"));
+  }
+
+  return obj[key] || fallback;
+}
+/**
+ * A reducer function to invert an array to an Object mapping the string form of the key, to `true`.
+ * @param {Object} map Accumulator object for the reduce.
+ * @param {string} key Object key to set to `true`.
+ * @returns {Object} Returns the updated Object for further reduction.
+ */
+
+
+function invert(map, key) {
+  map[key] = true;
+  return map;
+}
+/**
+ * Creates an object with the cap is new exceptions as its keys and true as their values.
+ * @param {Object} config Rule configuration
+ * @returns {Object} Object with cap is new exceptions.
+ */
+
+
+function calculateCapIsNewExceptions(config) {
+  let capIsNewExceptions = checkArray(config, "capIsNewExceptions", CAPS_ALLOWED);
+
+  if (capIsNewExceptions !== CAPS_ALLOWED) {
+    capIsNewExceptions = capIsNewExceptions.concat(CAPS_ALLOWED);
+  }
+
+  return capIsNewExceptions.reduce(invert, {});
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require constructor names to begin with a capital letter",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/new-cap"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        newIsCap: {
+          type: "boolean",
+          default: true
+        },
+        capIsNew: {
+          type: "boolean",
+          default: true
+        },
+        newIsCapExceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        newIsCapExceptionPattern: {
+          type: "string"
+        },
+        capIsNewExceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        capIsNewExceptionPattern: {
+          type: "string"
+        },
+        properties: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      upper: "A function with a name starting with an uppercase letter should only be used as a constructor.",
+      lower: "A constructor name should not start with a lowercase letter."
+    }
+  },
+
+  create(context) {
+    const config = Object.assign({}, context.options[0]);
+    config.newIsCap = config.newIsCap !== false;
+    config.capIsNew = config.capIsNew !== false;
+    const skipProperties = config.properties === false;
+    const newIsCapExceptions = checkArray(config, "newIsCapExceptions", []).reduce(invert, {});
+    const newIsCapExceptionPattern = config.newIsCapExceptionPattern ? new RegExp(config.newIsCapExceptionPattern, "u") : null;
+    const capIsNewExceptions = calculateCapIsNewExceptions(config);
+    const capIsNewExceptionPattern = config.capIsNewExceptionPattern ? new RegExp(config.capIsNewExceptionPattern, "u") : null;
+    const listeners = {};
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Get exact callee name from expression
+     * @param {ASTNode} node CallExpression or NewExpression node
+     * @returns {string} name
+     */
+
+    function extractNameFromExpression(node) {
+      let name = "";
+
+      if (node.callee.type === "MemberExpression") {
+        name = astUtils.getStaticPropertyName(node.callee) || "";
+      } else {
+        name = node.callee.name;
+      }
+
+      return name;
+    }
+    /**
+     * Returns the capitalization state of the string -
+     * Whether the first character is uppercase, lowercase, or non-alphabetic
+     * @param {string} str String
+     * @returns {string} capitalization state: "non-alpha", "lower", or "upper"
+     */
+
+
+    function getCap(str) {
+      const firstChar = str.charAt(0);
+      const firstCharLower = firstChar.toLowerCase();
+      const firstCharUpper = firstChar.toUpperCase();
+
+      if (firstCharLower === firstCharUpper) {
+        // char has no uppercase variant, so it's non-alphabetic
+        return "non-alpha";
+      }
+
+      if (firstChar === firstCharLower) {
+        return "lower";
+      }
+
+      return "upper";
+    }
+    /**
+     * Check if capitalization is allowed for a CallExpression
+     * @param {Object} allowedMap Object mapping calleeName to a Boolean
+     * @param {ASTNode} node CallExpression node
+     * @param {string} calleeName Capitalized callee name from a CallExpression
+     * @param {Object} pattern RegExp object from options pattern
+     * @returns {boolean} Returns true if the callee may be capitalized
+     */
+
+
+    function isCapAllowed(allowedMap, node, calleeName, pattern) {
+      const sourceText = sourceCode.getText(node.callee);
+
+      if (allowedMap[calleeName] || allowedMap[sourceText]) {
+        return true;
+      }
+
+      if (pattern && pattern.test(sourceText)) {
+        return true;
+      }
+
+      if (calleeName === "UTC" && node.callee.type === "MemberExpression") {
+        // allow if callee is Date.UTC
+        return node.callee.object.type === "Identifier" && node.callee.object.name === "Date";
+      }
+
+      return skipProperties && node.callee.type === "MemberExpression";
+    }
+    /**
+     * Reports the given messageId for the given node. The location will be the start of the property or the callee.
+     * @param {ASTNode} node CallExpression or NewExpression node.
+     * @param {string} messageId The messageId to report.
+     * @returns {void}
+     */
+
+
+    function report(node, messageId) {
+      let callee = node.callee;
+
+      if (callee.type === "MemberExpression") {
+        callee = callee.property;
+      }
+
+      context.report({
+        node,
+        loc: callee.loc.start,
+        messageId
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    if (config.newIsCap) {
+      listeners.NewExpression = function (node) {
+        const constructorName = extractNameFromExpression(node);
+
+        if (constructorName) {
+          const capitalization = getCap(constructorName);
+          const isAllowed = capitalization !== "lower" || isCapAllowed(newIsCapExceptions, node, constructorName, newIsCapExceptionPattern);
+
+          if (!isAllowed) {
+            report(node, "lower");
+          }
+        }
+      };
+    }
+
+    if (config.capIsNew) {
+      listeners.CallExpression = function (node) {
+        const calleeName = extractNameFromExpression(node);
+
+        if (calleeName) {
+          const capitalization = getCap(calleeName);
+          const isAllowed = capitalization !== "upper" || isCapAllowed(capIsNewExceptions, node, calleeName, capIsNewExceptionPattern);
+
+          if (!isAllowed) {
+            report(node, "upper");
+          }
+        }
+      };
+    }
+
+    return listeners;
+  }
+
+};
+
+/***/ }),
+/* 504 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when using constructor without parentheses
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce or disallow parentheses when invoking a constructor with no arguments",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/new-parens"
+    },
+    fixable: "code",
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always", "never"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }]
+    },
+    messages: {
+      missing: "Missing '()' invoking a constructor.",
+      unnecessary: "Unnecessary '()' invoking a constructor with no arguments."
+    }
+  },
+
+  create(context) {
+    const options = context.options;
+    const always = options[0] !== "never"; // Default is always
+
+    const sourceCode = context.getSourceCode();
+    return {
+      NewExpression(node) {
+        if (node.arguments.length !== 0) {
+          return; // if there are arguments, there have to be parens
+        }
+
+        const lastToken = sourceCode.getLastToken(node);
+        const hasLastParen = lastToken && astUtils.isClosingParenToken(lastToken); // `hasParens` is true only if the new expression ends with its own parens, e.g., new new foo() does not end with its own parens
+
+        const hasParens = hasLastParen && astUtils.isOpeningParenToken(sourceCode.getTokenBefore(lastToken)) && node.callee.range[1] < node.range[1];
+
+        if (always) {
+          if (!hasParens) {
+            context.report({
+              node,
+              messageId: "missing",
+              fix: fixer => fixer.insertTextAfter(node, "()")
+            });
+          }
+        } else {
+          if (hasParens) {
+            context.report({
+              node,
+              messageId: "unnecessary",
+              fix: fixer => [fixer.remove(sourceCode.getTokenBefore(lastToken)), fixer.remove(lastToken), fixer.insertTextBefore(node, "("), fixer.insertTextAfter(node, ")")]
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 505 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check empty newline after "var" statement
+ * @author Gopal Venkatesan
+ * @deprecated
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow an empty line after variable declarations",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/newline-after-var"
+    },
+    schema: [{
+      enum: ["never", "always"]
+    }],
+    fixable: "whitespace",
+    messages: {
+      expected: "Expected blank line after variable declarations.",
+      unexpected: "Unexpected blank line after variable declarations."
+    },
+    deprecated: true,
+    replacedBy: ["padding-line-between-statements"]
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); // Default `mode` to "always".
+
+    const mode = context.options[0] === "never" ? "never" : "always"; // Cache starting and ending line numbers of comments for faster lookup
+
+    const commentEndLine = sourceCode.getAllComments().reduce((result, token) => {
+      result[token.loc.start.line] = token.loc.end.line;
+      return result;
+    }, {}); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets a token from the given node to compare line to the next statement.
+     *
+     * In general, the token is the last token of the node. However, the token is the second last token if the following conditions satisfy.
+     *
+     * - The last token is semicolon.
+     * - The semicolon is on a different line from the previous token of the semicolon.
+     *
+     * This behavior would address semicolon-less style code. e.g.:
+     *
+     *     var foo = 1
+     *
+     *     ;(a || b).doSomething()
+     * @param {ASTNode} node The node to get.
+     * @returns {Token} The token to compare line to the next statement.
+     */
+
+    function getLastToken(node) {
+      const lastToken = sourceCode.getLastToken(node);
+
+      if (lastToken.type === "Punctuator" && lastToken.value === ";") {
+        const prevToken = sourceCode.getTokenBefore(lastToken);
+
+        if (prevToken.loc.end.line !== lastToken.loc.start.line) {
+          return prevToken;
+        }
+      }
+
+      return lastToken;
+    }
+    /**
+     * Determine if provided keyword is a variable declaration
+     * @private
+     * @param {string} keyword keyword to test
+     * @returns {boolean} True if `keyword` is a type of var
+     */
+
+
+    function isVar(keyword) {
+      return keyword === "var" || keyword === "let" || keyword === "const";
+    }
+    /**
+     * Determine if provided keyword is a variant of for specifiers
+     * @private
+     * @param {string} keyword keyword to test
+     * @returns {boolean} True if `keyword` is a variant of for specifier
+     */
+
+
+    function isForTypeSpecifier(keyword) {
+      return keyword === "ForStatement" || keyword === "ForInStatement" || keyword === "ForOfStatement";
+    }
+    /**
+     * Determine if provided keyword is an export specifiers
+     * @private
+     * @param {string} nodeType nodeType to test
+     * @returns {boolean} True if `nodeType` is an export specifier
+     */
+
+
+    function isExportSpecifier(nodeType) {
+      return nodeType === "ExportNamedDeclaration" || nodeType === "ExportSpecifier" || nodeType === "ExportDefaultDeclaration" || nodeType === "ExportAllDeclaration";
+    }
+    /**
+     * Determine if provided node is the last of their parent block.
+     * @private
+     * @param {ASTNode} node node to test
+     * @returns {boolean} True if `node` is last of their parent block.
+     */
+
+
+    function isLastNode(node) {
+      const token = sourceCode.getTokenAfter(node);
+      return !token || token.type === "Punctuator" && token.value === "}";
+    }
+    /**
+     * Gets the last line of a group of consecutive comments
+     * @param {number} commentStartLine The starting line of the group
+     * @returns {number} The number of the last comment line of the group
+     */
+
+
+    function getLastCommentLineOfBlock(commentStartLine) {
+      const currentCommentEnd = commentEndLine[commentStartLine];
+      return commentEndLine[currentCommentEnd + 1] ? getLastCommentLineOfBlock(currentCommentEnd + 1) : currentCommentEnd;
+    }
+    /**
+     * Determine if a token starts more than one line after a comment ends
+     * @param  {token}   token            The token being checked
+     * @param {integer}  commentStartLine The line number on which the comment starts
+     * @returns {boolean}                 True if `token` does not start immediately after a comment
+     */
+
+
+    function hasBlankLineAfterComment(token, commentStartLine) {
+      return token.loc.start.line > getLastCommentLineOfBlock(commentStartLine) + 1;
+    }
+    /**
+     * Checks that a blank line exists after a variable declaration when mode is
+     * set to "always", or checks that there is no blank line when mode is set
+     * to "never"
+     * @private
+     * @param {ASTNode} node `VariableDeclaration` node to test
+     * @returns {void}
+     */
+
+
+    function checkForBlankLine(node) {
+      /*
+       * lastToken is the last token on the node's line. It will usually also be the last token of the node, but it will
+       * sometimes be second-last if there is a semicolon on a different line.
+       */
+      const lastToken = getLastToken(node),
+
+      /*
+       * If lastToken is the last token of the node, nextToken should be the token after the node. Otherwise, nextToken
+       * is the last token of the node.
+       */
+      nextToken = lastToken === sourceCode.getLastToken(node) ? sourceCode.getTokenAfter(node) : sourceCode.getLastToken(node),
+            nextLineNum = lastToken.loc.end.line + 1; // Ignore if there is no following statement
+
+      if (!nextToken) {
+        return;
+      } // Ignore if parent of node is a for variant
+
+
+      if (isForTypeSpecifier(node.parent.type)) {
+        return;
+      } // Ignore if parent of node is an export specifier
+
+
+      if (isExportSpecifier(node.parent.type)) {
+        return;
+      }
+      /*
+       * Some coding styles use multiple `var` statements, so do nothing if
+       * the next token is a `var` statement.
+       */
+
+
+      if (nextToken.type === "Keyword" && isVar(nextToken.value)) {
+        return;
+      } // Ignore if it is last statement in a block
+
+
+      if (isLastNode(node)) {
+        return;
+      } // Next statement is not a `var`...
+
+
+      const noNextLineToken = nextToken.loc.start.line > nextLineNum;
+      const hasNextLineComment = typeof commentEndLine[nextLineNum] !== "undefined";
+
+      if (mode === "never" && noNextLineToken && !hasNextLineComment) {
+        context.report({
+          node,
+          messageId: "unexpected",
+          data: {
+            identifier: node.name
+          },
+
+          fix(fixer) {
+            const linesBetween = sourceCode.getText().slice(lastToken.range[1], nextToken.range[0]).split(astUtils.LINEBREAK_MATCHER);
+            return fixer.replaceTextRange([lastToken.range[1], nextToken.range[0]], "".concat(linesBetween.slice(0, -1).join(""), "\n").concat(linesBetween[linesBetween.length - 1]));
+          }
+
+        });
+      } // Token on the next line, or comment without blank line
+
+
+      if (mode === "always" && (!noNextLineToken || hasNextLineComment && !hasBlankLineAfterComment(nextToken, nextLineNum))) {
+        context.report({
+          node,
+          messageId: "expected",
+          data: {
+            identifier: node.name
+          },
+
+          fix(fixer) {
+            if ((noNextLineToken ? getLastCommentLineOfBlock(nextLineNum) : lastToken.loc.end.line) === nextToken.loc.start.line) {
+              return fixer.insertTextBefore(nextToken, "\n\n");
+            }
+
+            return fixer.insertTextBeforeRange([nextToken.range[0] - nextToken.loc.start.column, nextToken.range[1]], "\n");
+          }
+
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      VariableDeclaration: checkForBlankLine
+    };
+  }
+
+};
+
+/***/ }),
+/* 506 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require newlines before `return` statement
+ * @author Kai Cataldo
+ * @deprecated
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require an empty line before `return` statements",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/newline-before-return"
+    },
+    fixable: "whitespace",
+    schema: [],
+    messages: {
+      expected: "Expected newline before return statement."
+    },
+    deprecated: true,
+    replacedBy: ["padding-line-between-statements"]
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Tests whether node is preceded by supplied tokens
+     * @param {ASTNode} node node to check
+     * @param {Array} testTokens array of tokens to test against
+     * @returns {boolean} Whether or not the node is preceded by one of the supplied tokens
+     * @private
+     */
+
+    function isPrecededByTokens(node, testTokens) {
+      const tokenBefore = sourceCode.getTokenBefore(node);
+      return testTokens.some(token => tokenBefore.value === token);
+    }
+    /**
+     * Checks whether node is the first node after statement or in block
+     * @param {ASTNode} node node to check
+     * @returns {boolean} Whether or not the node is the first node after statement or in block
+     * @private
+     */
+
+
+    function isFirstNode(node) {
+      const parentType = node.parent.type;
+
+      if (node.parent.body) {
+        return Array.isArray(node.parent.body) ? node.parent.body[0] === node : node.parent.body === node;
+      }
+
+      if (parentType === "IfStatement") {
+        return isPrecededByTokens(node, ["else", ")"]);
+      }
+
+      if (parentType === "DoWhileStatement") {
+        return isPrecededByTokens(node, ["do"]);
+      }
+
+      if (parentType === "SwitchCase") {
+        return isPrecededByTokens(node, [":"]);
+      }
+
+      return isPrecededByTokens(node, [")"]);
+    }
+    /**
+     * Returns the number of lines of comments that precede the node
+     * @param {ASTNode} node node to check for overlapping comments
+     * @param {number} lineNumTokenBefore line number of previous token, to check for overlapping comments
+     * @returns {number} Number of lines of comments that precede the node
+     * @private
+     */
+
+
+    function calcCommentLines(node, lineNumTokenBefore) {
+      const comments = sourceCode.getCommentsBefore(node);
+      let numLinesComments = 0;
+
+      if (!comments.length) {
+        return numLinesComments;
+      }
+
+      comments.forEach(comment => {
+        numLinesComments++;
+
+        if (comment.type === "Block") {
+          numLinesComments += comment.loc.end.line - comment.loc.start.line;
+        } // avoid counting lines with inline comments twice
+
+
+        if (comment.loc.start.line === lineNumTokenBefore) {
+          numLinesComments--;
+        }
+
+        if (comment.loc.end.line === node.loc.start.line) {
+          numLinesComments--;
+        }
+      });
+      return numLinesComments;
+    }
+    /**
+     * Returns the line number of the token before the node that is passed in as an argument
+     * @param {ASTNode} node The node to use as the start of the calculation
+     * @returns {number} Line number of the token before `node`
+     * @private
+     */
+
+
+    function getLineNumberOfTokenBefore(node) {
+      const tokenBefore = sourceCode.getTokenBefore(node);
+      let lineNumTokenBefore;
+      /**
+       * Global return (at the beginning of a script) is a special case.
+       * If there is no token before `return`, then we expect no line
+       * break before the return. Comments are allowed to occupy lines
+       * before the global return, just no blank lines.
+       * Setting lineNumTokenBefore to zero in that case results in the
+       * desired behavior.
+       */
+
+      if (tokenBefore) {
+        lineNumTokenBefore = tokenBefore.loc.end.line;
+      } else {
+        lineNumTokenBefore = 0; // global return at beginning of script
+      }
+
+      return lineNumTokenBefore;
+    }
+    /**
+     * Checks whether node is preceded by a newline
+     * @param {ASTNode} node node to check
+     * @returns {boolean} Whether or not the node is preceded by a newline
+     * @private
+     */
+
+
+    function hasNewlineBefore(node) {
+      const lineNumNode = node.loc.start.line;
+      const lineNumTokenBefore = getLineNumberOfTokenBefore(node);
+      const commentLines = calcCommentLines(node, lineNumTokenBefore);
+      return lineNumNode - lineNumTokenBefore - commentLines > 1;
+    }
+    /**
+     * Checks whether it is safe to apply a fix to a given return statement.
+     *
+     * The fix is not considered safe if the given return statement has leading comments,
+     * as we cannot safely determine if the newline should be added before or after the comments.
+     * For more information, see: https://github.com/eslint/eslint/issues/5958#issuecomment-222767211
+     * @param {ASTNode} node The return statement node to check.
+     * @returns {boolean} `true` if it can fix the node.
+     * @private
+     */
+
+
+    function canFix(node) {
+      const leadingComments = sourceCode.getCommentsBefore(node);
+      const lastLeadingComment = leadingComments[leadingComments.length - 1];
+      const tokenBefore = sourceCode.getTokenBefore(node);
+
+      if (leadingComments.length === 0) {
+        return true;
+      }
+      /*
+       * if the last leading comment ends in the same line as the previous token and
+       * does not share a line with the `return` node, we can consider it safe to fix.
+       * Example:
+       * function a() {
+       *     var b; //comment
+       *     return;
+       * }
+       */
+
+
+      if (lastLeadingComment.loc.end.line === tokenBefore.loc.end.line && lastLeadingComment.loc.end.line !== node.loc.start.line) {
+        return true;
+      }
+
+      return false;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ReturnStatement(node) {
+        if (!isFirstNode(node) && !hasNewlineBefore(node)) {
+          context.report({
+            node,
+            messageId: "expected",
+
+            fix(fixer) {
+              if (canFix(node)) {
+                const tokenBefore = sourceCode.getTokenBefore(node);
+                const newlines = node.loc.start.line === tokenBefore.loc.end.line ? "\n\n" : "\n";
+                return fixer.insertTextBefore(node, newlines);
+              }
+
+              return null;
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 507 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to ensure newline per method call when chaining calls
+ * @author Rajendra Patil
+ * @author Burak Yigit Kaya
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require a newline after each call in a method chain",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/newline-per-chained-call"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        ignoreChainWithDepth: {
+          type: "integer",
+          minimum: 1,
+          maximum: 10,
+          default: 2
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expected: "Expected line break before `{{callee}}`."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {},
+          ignoreChainWithDepth = options.ignoreChainWithDepth || 2;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Get the prefix of a given MemberExpression node.
+     * If the MemberExpression node is a computed value it returns a
+     * left bracket. If not it returns a period.
+     * @param  {ASTNode} node A MemberExpression node to get
+     * @returns {string} The prefix of the node.
+     */
+
+    function getPrefix(node) {
+      return node.computed ? "[" : ".";
+    }
+    /**
+     * Gets the property text of a given MemberExpression node.
+     * If the text is multiline, this returns only the first line.
+     * @param {ASTNode} node A MemberExpression node to get.
+     * @returns {string} The property text of the node.
+     */
+
+
+    function getPropertyText(node) {
+      const prefix = getPrefix(node);
+      const lines = sourceCode.getText(node.property).split(astUtils.LINEBREAK_MATCHER);
+      const suffix = node.computed && lines.length === 1 ? "]" : "";
+      return prefix + lines[0] + suffix;
+    }
+
+    return {
+      "CallExpression:exit"(node) {
+        if (!node.callee || node.callee.type !== "MemberExpression") {
+          return;
+        }
+
+        const callee = node.callee;
+        let parent = callee.object;
+        let depth = 1;
+
+        while (parent && parent.callee) {
+          depth += 1;
+          parent = parent.callee.object;
+        }
+
+        if (depth > ignoreChainWithDepth && astUtils.isTokenOnSameLine(callee.object, callee.property)) {
+          context.report({
+            node: callee.property,
+            loc: callee.property.loc.start,
+            messageId: "expected",
+            data: {
+              callee: getPropertyText(callee)
+            },
+
+            fix(fixer) {
+              const firstTokenAfterObject = sourceCode.getTokenAfter(callee.object, astUtils.isNotClosingParenToken);
+              return fixer.insertTextBefore(firstTokenAfterObject, "\n");
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 508 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of alert, confirm, prompt
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  getStaticPropertyName: getPropertyName,
+  getVariableByName
+} = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if the given name is a prohibited identifier.
+ * @param {string} name The name to check
+ * @returns {boolean} Whether or not the name is prohibited.
+ */
+
+
+function isProhibitedIdentifier(name) {
+  return /^(alert|confirm|prompt)$/u.test(name);
+}
+/**
+ * Finds the eslint-scope reference in the given scope.
+ * @param {Object} scope The scope to search.
+ * @param {ASTNode} node The identifier node.
+ * @returns {Reference|null} Returns the found reference or null if none were found.
+ */
+
+
+function findReference(scope, node) {
+  const references = scope.references.filter(reference => reference.identifier.range[0] === node.range[0] && reference.identifier.range[1] === node.range[1]);
+
+  if (references.length === 1) {
+    return references[0];
+  }
+
+  return null;
+}
+/**
+ * Checks if the given identifier node is shadowed in the given scope.
+ * @param {Object} scope The current scope.
+ * @param {string} node The identifier node to check
+ * @returns {boolean} Whether or not the name is shadowed.
+ */
+
+
+function isShadowed(scope, node) {
+  const reference = findReference(scope, node);
+  return reference && reference.resolved && reference.resolved.defs.length > 0;
+}
+/**
+ * Checks if the given identifier node is a ThisExpression in the global scope or the global window property.
+ * @param {Object} scope The current scope.
+ * @param {string} node The identifier node to check
+ * @returns {boolean} Whether or not the node is a reference to the global object.
+ */
+
+
+function isGlobalThisReferenceOrGlobalWindow(scope, node) {
+  if (scope.type === "global" && node.type === "ThisExpression") {
+    return true;
+  }
+
+  if (node.name === "window" || node.name === "globalThis" && getVariableByName(scope, "globalThis")) {
+    return !isShadowed(scope, node);
+  }
+
+  return false;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `alert`, `confirm`, and `prompt`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-alert"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected {{name}}."
+    }
+  },
+
+  create(context) {
+    return {
+      CallExpression(node) {
+        const callee = node.callee,
+              currentScope = context.getScope(); // without window.
+
+        if (callee.type === "Identifier") {
+          const name = callee.name;
+
+          if (!isShadowed(currentScope, callee) && isProhibitedIdentifier(callee.name)) {
+            context.report({
+              node,
+              messageId: "unexpected",
+              data: {
+                name
+              }
+            });
+          }
+        } else if (callee.type === "MemberExpression" && isGlobalThisReferenceOrGlobalWindow(currentScope, callee.object)) {
+          const name = getPropertyName(callee);
+
+          if (isProhibitedIdentifier(name)) {
+            context.report({
+              node,
+              messageId: "unexpected",
+              data: {
+                name
+              }
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 509 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow construction of dense arrays using the Array constructor
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `Array` constructors",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-array-constructor"
+    },
+    schema: [],
+    messages: {
+      preferLiteral: "The array literal notation [] is preferable."
+    }
+  },
+
+  create(context) {
+    /**
+     * Disallow construction of dense arrays using the Array constructor
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+    function check(node) {
+      if (node.arguments.length !== 1 && node.callee.type === "Identifier" && node.callee.name === "Array") {
+        context.report({
+          node,
+          messageId: "preferLiteral"
+        });
+      }
+    }
+
+    return {
+      CallExpression: check,
+      NewExpression: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 510 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview disallow using an async function as a Promise executor
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow using an async function as a Promise executor",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-async-promise-executor"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      async: "Promise executor functions should not be async."
+    }
+  },
+
+  create(context) {
+    return {
+      "NewExpression[callee.name='Promise'][arguments.0.async=true]"(node) {
+        context.report({
+          node: context.getSourceCode().getFirstToken(node.arguments[0], token => token.value === "async"),
+          messageId: "async"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 511 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow uses of await inside of loops.
+ * @author Nat Mote (nmote)
+ */
+
+/**
+ * Check whether it should stop traversing ancestors at the given node.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if it should stop traversing.
+ */
+
+function isBoundary(node) {
+  const t = node.type;
+  return t === "FunctionDeclaration" || t === "FunctionExpression" || t === "ArrowFunctionExpression" ||
+  /*
+   * Don't report the await expressions on for-await-of loop since it's
+   * asynchronous iteration intentionally.
+   */
+  t === "ForOfStatement" && node.await === true;
+}
+/**
+ * Check whether the given node is in loop.
+ * @param {ASTNode} node A node to check.
+ * @param {ASTNode} parent A parent node to check.
+ * @returns {boolean} `true` if the node is in loop.
+ */
+
+
+function isLooped(node, parent) {
+  switch (parent.type) {
+    case "ForStatement":
+      return node === parent.test || node === parent.update || node === parent.body;
+
+    case "ForOfStatement":
+    case "ForInStatement":
+      return node === parent.body;
+
+    case "WhileStatement":
+    case "DoWhileStatement":
+      return node === parent.test || node === parent.body;
+
+    default:
+      return false;
+  }
+}
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow `await` inside of loops",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-await-in-loop"
+    },
+    schema: [],
+    messages: {
+      unexpectedAwait: "Unexpected `await` inside a loop."
+    }
+  },
+
+  create(context) {
+    /**
+     * Validate an await expression.
+     * @param {ASTNode} awaitNode An AwaitExpression or ForOfStatement node to validate.
+     * @returns {void}
+     */
+    function validate(awaitNode) {
+      if (awaitNode.type === "ForOfStatement" && !awaitNode.await) {
+        return;
+      }
+
+      let node = awaitNode;
+      let parent = node.parent;
+
+      while (parent && !isBoundary(parent)) {
+        if (isLooped(node, parent)) {
+          context.report({
+            node: awaitNode,
+            messageId: "unexpectedAwait"
+          });
+          return;
+        }
+
+        node = parent;
+        parent = parent.parent;
+      }
+    }
+
+    return {
+      AwaitExpression: validate,
+      ForOfStatement: validate
+    };
+  }
+
+};
+
+/***/ }),
+/* 512 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag bitwise identifiers
+ * @author Nicholas C. Zakas
+ */
+
+/*
+ *
+ * Set of bitwise operators.
+ *
+ */
+
+const BITWISE_OPERATORS = ["^", "|", "&", "<<", ">>", ">>>", "^=", "|=", "&=", "<<=", ">>=", ">>>=", "~"]; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow bitwise operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-bitwise"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allow: {
+          type: "array",
+          items: {
+            enum: BITWISE_OPERATORS
+          },
+          uniqueItems: true
+        },
+        int32Hint: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "Unexpected use of '{{operator}}'."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const allowed = options.allow || [];
+    const int32Hint = options.int32Hint === true;
+    /**
+     * Reports an unexpected use of a bitwise operator.
+     * @param   {ASTNode} node Node which contains the bitwise operator.
+     * @returns {void}
+     */
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "unexpected",
+        data: {
+          operator: node.operator
+        }
+      });
+    }
+    /**
+     * Checks if the given node has a bitwise operator.
+     * @param   {ASTNode} node The node to check.
+     * @returns {boolean} Whether or not the node has a bitwise operator.
+     */
+
+
+    function hasBitwiseOperator(node) {
+      return BITWISE_OPERATORS.indexOf(node.operator) !== -1;
+    }
+    /**
+     * Checks if exceptions were provided, e.g. `{ allow: ['~', '|'] }`.
+     * @param   {ASTNode} node The node to check.
+     * @returns {boolean} Whether or not the node has a bitwise operator.
+     */
+
+
+    function allowedOperator(node) {
+      return allowed.indexOf(node.operator) !== -1;
+    }
+    /**
+     * Checks if the given bitwise operator is used for integer typecasting, i.e. "|0"
+     * @param   {ASTNode} node The node to check.
+     * @returns {boolean} whether the node is used in integer typecasting.
+     */
+
+
+    function isInt32Hint(node) {
+      return int32Hint && node.operator === "|" && node.right && node.right.type === "Literal" && node.right.value === 0;
+    }
+    /**
+     * Report if the given node contains a bitwise operator.
+     * @param   {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkNodeForBitwiseOperator(node) {
+      if (hasBitwiseOperator(node) && !allowedOperator(node) && !isInt32Hint(node)) {
+        report(node);
+      }
+    }
+
+    return {
+      AssignmentExpression: checkNodeForBitwiseOperator,
+      BinaryExpression: checkNodeForBitwiseOperator,
+      UnaryExpression: checkNodeForBitwiseOperator
+    };
+  }
+
+};
+
+/***/ }),
+/* 513 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview disallow use of the Buffer() constructor
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow use of the `Buffer()` constructor",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-buffer-constructor"
+    },
+    schema: [],
+    messages: {
+      deprecated: "{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead."
+    }
+  },
+
+  create(context) {
+    //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+    return {
+      "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(node) {
+        context.report({
+          node,
+          messageId: "deprecated",
+          data: {
+            expr: node.type === "CallExpression" ? "Buffer()" : "new Buffer()"
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 514 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of arguments.callee and arguments.caller.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `arguments.caller` or `arguments.callee`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-caller"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Avoid arguments.{{prop}}."
+    }
+  },
+
+  create(context) {
+    return {
+      MemberExpression(node) {
+        const objectName = node.object.name,
+              propertyName = node.property.name;
+
+        if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/u)) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              prop: propertyName
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 515 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of an lexical declarations inside a case clause
+ * @author Erik Arvidsson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow lexical declarations in case clauses",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-case-declarations"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected lexical declaration in case block."
+    }
+  },
+
+  create(context) {
+    /**
+     * Checks whether or not a node is a lexical declaration.
+     * @param {ASTNode} node A direct child statement of a switch case.
+     * @returns {boolean} Whether or not the node is a lexical declaration.
+     */
+    function isLexicalDeclaration(node) {
+      switch (node.type) {
+        case "FunctionDeclaration":
+        case "ClassDeclaration":
+          return true;
+
+        case "VariableDeclaration":
+          return node.kind !== "var";
+
+        default:
+          return false;
+      }
+    }
+
+    return {
+      SwitchCase(node) {
+        for (let i = 0; i < node.consequent.length; i++) {
+          const statement = node.consequent[i];
+
+          if (isLexicalDeclaration(statement)) {
+            context.report({
+              node: statement,
+              messageId: "unexpected"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 516 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag variable leak in CatchClauses in IE 8 and earlier
+ * @author Ian Christian Myers
+ * @deprecated in ESLint v5.1.0
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `catch` clause parameters from shadowing variables in the outer scope",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-catch-shadow"
+    },
+    replacedBy: ["no-shadow"],
+    deprecated: true,
+    schema: [],
+    messages: {
+      mutable: "Value of '{{name}}' may be overwritten in IE 8 and earlier."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Check if the parameters are been shadowed
+     * @param {Object} scope current scope
+     * @param {string} name parameter name
+     * @returns {boolean} True is its been shadowed
+     */
+    function paramIsShadowing(scope, name) {
+      return astUtils.getVariableByName(scope, name) !== null;
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      "CatchClause[param!=null]"(node) {
+        let scope = context.getScope();
+        /*
+         * When ecmaVersion >= 6, CatchClause creates its own scope
+         * so start from one upper scope to exclude the current node
+         */
+
+        if (scope.block === node) {
+          scope = scope.upper;
+        }
+
+        if (paramIsShadowing(scope, node.param.name)) {
+          context.report({
+            node,
+            messageId: "mutable",
+            data: {
+              name: node.param.name
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 517 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow modifying variables of class declarations
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow reassigning class members",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-class-assign"
+    },
+    schema: [],
+    messages: {
+      class: "'{{name}}' is a class."
+    }
+  },
+
+  create(context) {
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+    function checkVariable(variable) {
+      astUtils.getModifyingReferences(variable.references).forEach(reference => {
+        context.report({
+          node: reference.identifier,
+          messageId: "class",
+          data: {
+            name: reference.identifier.name
+          }
+        });
+      });
+    }
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {ASTNode} node A ClassDeclaration/ClassExpression node to check.
+     * @returns {void}
+     */
+
+
+    function checkForClass(node) {
+      context.getDeclaredVariables(node).forEach(checkVariable);
+    }
+
+    return {
+      ClassDeclaration: checkForClass,
+      ClassExpression: checkForClass
+    };
+  }
+
+};
+
+/***/ }),
+/* 518 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview The rule should warn against code that tries to compare against -0.
+ * @author Aladdin-ADD <hh_2013@foxmail.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow comparing against -0",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-compare-neg-zero"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      unexpected: "Do not use the '{{operator}}' operator to compare against -0."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks a given node is -0
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} `true` if the node is -0.
+     */
+    function isNegZero(node) {
+      return node.type === "UnaryExpression" && node.operator === "-" && node.argument.type === "Literal" && node.argument.value === 0;
+    }
+
+    const OPERATORS_TO_CHECK = new Set([">", ">=", "<", "<=", "==", "===", "!=", "!=="]);
+    return {
+      BinaryExpression(node) {
+        if (OPERATORS_TO_CHECK.has(node.operator)) {
+          if (isNegZero(node.left) || isNegZero(node.right)) {
+            context.report({
+              node,
+              messageId: "unexpected",
+              data: {
+                operator: node.operator
+              }
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 519 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag assignment in a conditional statement's test expression
+ * @author Stephen Murray <spmurrayzzz>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const TEST_CONDITION_PARENT_TYPES = new Set(["IfStatement", "WhileStatement", "DoWhileStatement", "ForStatement", "ConditionalExpression"]);
+const NODE_DESCRIPTIONS = {
+  DoWhileStatement: "a 'do...while' statement",
+  ForStatement: "a 'for' statement",
+  IfStatement: "an 'if' statement",
+  WhileStatement: "a 'while' statement"
+}; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow assignment operators in conditional expressions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-cond-assign"
+    },
+    schema: [{
+      enum: ["except-parens", "always"]
+    }],
+    messages: {
+      unexpected: "Unexpected assignment within {{type}}.",
+      // must match JSHint's error message
+      missing: "Expected a conditional expression and instead saw an assignment."
+    }
+  },
+
+  create(context) {
+    const prohibitAssign = context.options[0] || "except-parens";
+    const sourceCode = context.getSourceCode();
+    /**
+     * Check whether an AST node is the test expression for a conditional statement.
+     * @param {!Object} node The node to test.
+     * @returns {boolean} `true` if the node is the text expression for a conditional statement; otherwise, `false`.
+     */
+
+    function isConditionalTestExpression(node) {
+      return node.parent && TEST_CONDITION_PARENT_TYPES.has(node.parent.type) && node === node.parent.test;
+    }
+    /**
+     * Given an AST node, perform a bottom-up search for the first ancestor that represents a conditional statement.
+     * @param {!Object} node The node to use at the start of the search.
+     * @returns {?Object} The closest ancestor node that represents a conditional statement.
+     */
+
+
+    function findConditionalAncestor(node) {
+      let currentAncestor = node;
+
+      do {
+        if (isConditionalTestExpression(currentAncestor)) {
+          return currentAncestor.parent;
+        }
+      } while ((currentAncestor = currentAncestor.parent) && !astUtils.isFunction(currentAncestor));
+
+      return null;
+    }
+    /**
+     * Check whether the code represented by an AST node is enclosed in two sets of parentheses.
+     * @param {!Object} node The node to test.
+     * @returns {boolean} `true` if the code is enclosed in two sets of parentheses; otherwise, `false`.
+     */
+
+
+    function isParenthesisedTwice(node) {
+      const previousToken = sourceCode.getTokenBefore(node, 1),
+            nextToken = sourceCode.getTokenAfter(node, 1);
+      return astUtils.isParenthesised(sourceCode, node) && previousToken && astUtils.isOpeningParenToken(previousToken) && previousToken.range[1] <= node.range[0] && astUtils.isClosingParenToken(nextToken) && nextToken.range[0] >= node.range[1];
+    }
+    /**
+     * Check a conditional statement's test expression for top-level assignments that are not enclosed in parentheses.
+     * @param {!Object} node The node for the conditional statement.
+     * @returns {void}
+     */
+
+
+    function testForAssign(node) {
+      if (node.test && node.test.type === "AssignmentExpression" && (node.type === "ForStatement" ? !astUtils.isParenthesised(sourceCode, node.test) : !isParenthesisedTwice(node.test))) {
+        context.report({
+          node: node.test,
+          messageId: "missing"
+        });
+      }
+    }
+    /**
+     * Check whether an assignment expression is descended from a conditional statement's test expression.
+     * @param {!Object} node The node for the assignment expression.
+     * @returns {void}
+     */
+
+
+    function testForConditionalAncestor(node) {
+      const ancestor = findConditionalAncestor(node);
+
+      if (ancestor) {
+        context.report({
+          node,
+          messageId: "unexpected",
+          data: {
+            type: NODE_DESCRIPTIONS[ancestor.type] || ancestor.type
+          }
+        });
+      }
+    }
+
+    if (prohibitAssign === "always") {
+      return {
+        AssignmentExpression: testForConditionalAncestor
+      };
+    }
+
+    return {
+      DoWhileStatement: testForAssign,
+      ForStatement: testForAssign,
+      IfStatement: testForAssign,
+      WhileStatement: testForAssign,
+      ConditionalExpression: testForAssign
+    };
+  }
+
+};
+
+/***/ }),
+/* 520 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to warn against using arrow functions when they could be
+ * confused with comparisons
+ * @author Jxck <https://github.com/Jxck>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a conditional expression.
+ * @param {ASTNode} node node to test
+ * @returns {boolean} `true` if the node is a conditional expression.
+ */
+
+
+function isConditional(node) {
+  return node && node.type === "ConditionalExpression";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow arrow functions where they could be confused with comparisons",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-confusing-arrow"
+    },
+    fixable: "code",
+    schema: [{
+      type: "object",
+      properties: {
+        allowParens: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      confusing: "Arrow function used ambiguously with a conditional expression."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || {};
+    const allowParens = config.allowParens || config.allowParens === void 0;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports if an arrow function contains an ambiguous conditional.
+     * @param {ASTNode} node A node to check and report.
+     * @returns {void}
+     */
+
+    function checkArrowFunc(node) {
+      const body = node.body;
+
+      if (isConditional(body) && !(allowParens && astUtils.isParenthesised(sourceCode, body))) {
+        context.report({
+          node,
+          messageId: "confusing",
+
+          fix(fixer) {
+            // if `allowParens` is not set to true don't bother wrapping in parens
+            return allowParens && fixer.replaceText(node.body, "(".concat(sourceCode.getText(node.body), ")"));
+          }
+
+        });
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: checkArrowFunc
+    };
+  }
+
+};
+
+/***/ }),
+/* 521 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of console object
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `console`",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-console"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allow: {
+          type: "array",
+          items: {
+            type: "string"
+          },
+          minItems: 1,
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "Unexpected console statement."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const allowed = options.allow || [];
+    /**
+     * Checks whether the given reference is 'console' or not.
+     * @param {eslint-scope.Reference} reference The reference to check.
+     * @returns {boolean} `true` if the reference is 'console'.
+     */
+
+    function isConsole(reference) {
+      const id = reference.identifier;
+      return id && id.name === "console";
+    }
+    /**
+     * Checks whether the property name of the given MemberExpression node
+     * is allowed by options or not.
+     * @param {ASTNode} node The MemberExpression node to check.
+     * @returns {boolean} `true` if the property name of the node is allowed.
+     */
+
+
+    function isAllowed(node) {
+      const propertyName = astUtils.getStaticPropertyName(node);
+      return propertyName && allowed.indexOf(propertyName) !== -1;
+    }
+    /**
+     * Checks whether the given reference is a member access which is not
+     * allowed by options or not.
+     * @param {eslint-scope.Reference} reference The reference to check.
+     * @returns {boolean} `true` if the reference is a member access which
+     *      is not allowed by options.
+     */
+
+
+    function isMemberAccessExceptAllowed(reference) {
+      const node = reference.identifier;
+      const parent = node.parent;
+      return parent.type === "MemberExpression" && parent.object === node && !isAllowed(parent);
+    }
+    /**
+     * Reports the given reference as a violation.
+     * @param {eslint-scope.Reference} reference The reference to report.
+     * @returns {void}
+     */
+
+
+    function report(reference) {
+      const node = reference.identifier.parent;
+      context.report({
+        node,
+        loc: node.loc,
+        messageId: "unexpected"
+      });
+    }
+
+    return {
+      "Program:exit"() {
+        const scope = context.getScope();
+        const consoleVar = astUtils.getVariableByName(scope, "console");
+        const shadowed = consoleVar && consoleVar.defs.length > 0;
+        /*
+         * 'scope.through' includes all references to undefined
+         * variables. If the variable 'console' is not defined, it uses
+         * 'scope.through'.
+         */
+
+        const references = consoleVar ? consoleVar.references : scope.through.filter(isConsole);
+
+        if (!shadowed) {
+          references.filter(isMemberAccessExceptAllowed).forEach(report);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 522 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow modifying variables that are declared using `const`
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow reassigning `const` variables",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-const-assign"
+    },
+    schema: [],
+    messages: {
+      const: "'{{name}}' is constant."
+    }
+  },
+
+  create(context) {
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+    function checkVariable(variable) {
+      astUtils.getModifyingReferences(variable.references).forEach(reference => {
+        context.report({
+          node: reference.identifier,
+          messageId: "const",
+          data: {
+            name: reference.identifier.name
+          }
+        });
+      });
+    }
+
+    return {
+      VariableDeclaration(node) {
+        if (node.kind === "const") {
+          context.getDeclaredVariables(node).forEach(checkVariable);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 523 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use constant conditions
+ * @author Christian Schulz <http://rndm.de>
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const EQUALITY_OPERATORS = ["===", "!==", "==", "!="];
+const RELATIONAL_OPERATORS = [">", "<", ">=", "<=", "in", "instanceof"]; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow constant expressions in conditions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-constant-condition"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        checkLoops: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "Unexpected constant condition."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {},
+          checkLoops = options.checkLoops !== false,
+          loopSetStack = [];
+    let loopsInCurrentScope = new Set(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks if a branch node of LogicalExpression short circuits the whole condition
+     * @param {ASTNode} node The branch of main condition which needs to be checked
+     * @param {string} operator The operator of the main LogicalExpression.
+     * @returns {boolean} true when condition short circuits whole condition
+     */
+
+    function isLogicalIdentity(node, operator) {
+      switch (node.type) {
+        case "Literal":
+          return operator === "||" && node.value === true || operator === "&&" && node.value === false;
+
+        case "UnaryExpression":
+          return operator === "&&" && node.operator === "void";
+
+        case "LogicalExpression":
+          return isLogicalIdentity(node.left, node.operator) || isLogicalIdentity(node.right, node.operator);
+        // no default
+      }
+
+      return false;
+    }
+    /**
+     * Checks if a node has a constant truthiness value.
+     * @param {ASTNode} node The AST node to check.
+     * @param {boolean} inBooleanPosition `false` if checking branch of a condition.
+     *  `true` in all other cases
+     * @returns {Bool} true when node's truthiness is constant
+     * @private
+     */
+
+
+    function isConstant(node, inBooleanPosition) {
+      // node.elements can return null values in the case of sparse arrays ex. [,]
+      if (!node) {
+        return true;
+      }
+
+      switch (node.type) {
+        case "Literal":
+        case "ArrowFunctionExpression":
+        case "FunctionExpression":
+        case "ObjectExpression":
+          return true;
+
+        case "TemplateLiteral":
+          return inBooleanPosition && node.quasis.some(quasi => quasi.value.cooked.length) || node.expressions.every(exp => isConstant(exp, inBooleanPosition));
+
+        case "ArrayExpression":
+          {
+            if (node.parent.type === "BinaryExpression" && node.parent.operator === "+") {
+              return node.elements.every(element => isConstant(element, false));
+            }
+
+            return true;
+          }
+
+        case "UnaryExpression":
+          if (node.operator === "void") {
+            return true;
+          }
+
+          return node.operator === "typeof" && inBooleanPosition || isConstant(node.argument, true);
+
+        case "BinaryExpression":
+          return isConstant(node.left, false) && isConstant(node.right, false) && node.operator !== "in";
+
+        case "LogicalExpression":
+          {
+            const isLeftConstant = isConstant(node.left, inBooleanPosition);
+            const isRightConstant = isConstant(node.right, inBooleanPosition);
+            const isLeftShortCircuit = isLeftConstant && isLogicalIdentity(node.left, node.operator);
+            const isRightShortCircuit = isRightConstant && isLogicalIdentity(node.right, node.operator);
+            return isLeftConstant && isRightConstant || // in the case of an "OR", we need to know if the right constant value is truthy
+            node.operator === "||" && isRightConstant && node.right.value && (!node.parent || node.parent.type !== "BinaryExpression" || !(EQUALITY_OPERATORS.includes(node.parent.operator) || RELATIONAL_OPERATORS.includes(node.parent.operator))) || isLeftShortCircuit || isRightShortCircuit;
+          }
+
+        case "AssignmentExpression":
+          return node.operator === "=" && isConstant(node.right, inBooleanPosition);
+
+        case "SequenceExpression":
+          return isConstant(node.expressions[node.expressions.length - 1], inBooleanPosition);
+        // no default
+      }
+
+      return false;
+    }
+    /**
+     * Tracks when the given node contains a constant condition.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function trackConstantConditionLoop(node) {
+      if (node.test && isConstant(node.test, true)) {
+        loopsInCurrentScope.add(node);
+      }
+    }
+    /**
+     * Reports when the set contains the given constant condition node
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkConstantConditionLoopInSet(node) {
+      if (loopsInCurrentScope.has(node)) {
+        loopsInCurrentScope.delete(node);
+        context.report({
+          node: node.test,
+          messageId: "unexpected"
+        });
+      }
+    }
+    /**
+     * Reports when the given node contains a constant condition.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function reportIfConstant(node) {
+      if (node.test && isConstant(node.test, true)) {
+        context.report({
+          node: node.test,
+          messageId: "unexpected"
+        });
+      }
+    }
+    /**
+     * Stores current set of constant loops in loopSetStack temporarily
+     * and uses a new set to track constant loops
+     * @returns {void}
+     * @private
+     */
+
+
+    function enterFunction() {
+      loopSetStack.push(loopsInCurrentScope);
+      loopsInCurrentScope = new Set();
+    }
+    /**
+     * Reports when the set still contains stored constant conditions
+     * @returns {void}
+     * @private
+     */
+
+
+    function exitFunction() {
+      loopsInCurrentScope = loopSetStack.pop();
+    }
+    /**
+     * Checks node when checkLoops option is enabled
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkLoop(node) {
+      if (checkLoops) {
+        trackConstantConditionLoop(node);
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ConditionalExpression: reportIfConstant,
+      IfStatement: reportIfConstant,
+      WhileStatement: checkLoop,
+      "WhileStatement:exit": checkConstantConditionLoopInSet,
+      DoWhileStatement: checkLoop,
+      "DoWhileStatement:exit": checkConstantConditionLoopInSet,
+      ForStatement: checkLoop,
+      "ForStatement > .test": node => checkLoop(node.parent),
+      "ForStatement:exit": checkConstantConditionLoopInSet,
+      FunctionDeclaration: enterFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      FunctionExpression: enterFunction,
+      "FunctionExpression:exit": exitFunction,
+      YieldExpression: () => loopsInCurrentScope.clear()
+    };
+  }
+
+};
+
+/***/ }),
+/* 524 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow returning value from constructor.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow returning value from constructor",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-constructor-return"
+    },
+    schema: {},
+    fixable: null,
+    messages: {
+      unexpected: "Unexpected return statement in constructor."
+    }
+  },
+
+  create(context) {
+    const stack = [];
+    return {
+      onCodePathStart(_, node) {
+        stack.push(node);
+      },
+
+      onCodePathEnd() {
+        stack.pop();
+      },
+
+      ReturnStatement(node) {
+        const last = stack[stack.length - 1];
+
+        if (!last.parent) {
+          return;
+        }
+
+        if (last.parent.type === "MethodDefinition" && last.parent.kind === "constructor" && (node.parent.parent === last || node.argument)) {
+          context.report({
+            node,
+            messageId: "unexpected"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 525 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of continue statement
+ * @author Borislav Zhivkov
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `continue` statements",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-continue"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected use of continue statement."
+    }
+  },
+
+  create(context) {
+    return {
+      ContinueStatement(node) {
+        context.report({
+          node,
+          messageId: "unexpected"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 526 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to forbid control characters from regular expressions.
+ * @author Nicholas C. Zakas
+ */
+
+
+const RegExpValidator = __webpack_require__(527).RegExpValidator;
+
+const collector = new class {
+  constructor() {
+    this.ecmaVersion = 2018;
+    this._source = "";
+    this._controlChars = [];
+    this._validator = new RegExpValidator(this);
+  }
+
+  onPatternEnter() {
+    this._controlChars = [];
+  }
+
+  onCharacter(start, end, cp) {
+    if (cp >= 0x00 && cp <= 0x1F && (this._source.codePointAt(start) === cp || this._source.slice(start, end).startsWith("\\x") || this._source.slice(start, end).startsWith("\\u"))) {
+      this._controlChars.push("\\x".concat("0".concat(cp.toString(16)).slice(-2)));
+    }
+  }
+
+  collectControlChars(regexpStr) {
+    try {
+      this._source = regexpStr;
+
+      this._validator.validatePattern(regexpStr); // Call onCharacter hook
+
+    } catch (err) {// Ignore syntax errors in RegExp.
+    }
+
+    return this._controlChars;
+  }
+
+}(); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow control characters in regular expressions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-control-regex"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected control character(s) in regular expression: {{controlChars}}."
+    }
+  },
+
+  create(context) {
+    /**
+     * Get the regex expression
+     * @param {ASTNode} node node to evaluate
+     * @returns {RegExp|null} Regex if found else null
+     * @private
+     */
+    function getRegExpPattern(node) {
+      if (node.regex) {
+        return node.regex.pattern;
+      }
+
+      if (typeof node.value === "string" && (node.parent.type === "NewExpression" || node.parent.type === "CallExpression") && node.parent.callee.type === "Identifier" && node.parent.callee.name === "RegExp" && node.parent.arguments[0] === node) {
+        return node.value;
+      }
+
+      return null;
+    }
+
+    return {
+      Literal(node) {
+        const pattern = getRegExpPattern(node);
+
+        if (pattern) {
+          const controlCharacters = collector.collectControlChars(pattern);
+
+          if (controlCharacters.length > 0) {
+            context.report({
+              node,
+              messageId: "unexpected",
+              data: {
+                controlChars: controlCharacters.join(", ")
+              }
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 527 */
+/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "AST", function() { return ast; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "RegExpParser", function() { return RegExpParser; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "RegExpValidator", function() { return RegExpValidator; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "parseRegExpLiteral", function() { return parseRegExpLiteral; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "validateRegExpLiteral", function() { return validateRegExpLiteral; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "visitRegExpAST", function() { return visitRegExpAST; });
+/*! @author Toru Nagashima <https://github.com/mysticatea> */
+var ast = /*#__PURE__*/Object.freeze({});
+let largeIdStartPattern = null;
+let largeIdContinuePattern = null;
+
+function isIdStart(cp) {
+  if (cp < 0x41) return false;
+  if (cp < 0x5b) return true;
+  if (cp < 0x61) return false;
+  if (cp < 0x7b) return true;
+  return isLargeIdStart(cp);
+}
+
+function isIdContinue(cp) {
+  if (cp < 0x30) return false;
+  if (cp < 0x3a) return true;
+  if (cp < 0x41) return false;
+  if (cp < 0x5b) return true;
+  if (cp === 0x5f) return true;
+  if (cp < 0x61) return false;
+  if (cp < 0x7b) return true;
+  return isLargeIdStart(cp) || isLargeIdContinue(cp);
+}
+
+function isLargeIdStart(cp) {
+  if (!largeIdStartPattern) {
+    largeIdStartPattern = new RegExp("^[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1" + "\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377" + "\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1" + "\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559" + "\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a" + "\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef" + "\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1" + "\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824" + "\u0828\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08bd" + "\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980" + "\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2" + "\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1" + "\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28" + "\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39" + "\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91" + "\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd" + "\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10" + "\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d" + "\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a" + "\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f" + "\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c" + "\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a" + "\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8" + "\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1" + "\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d" + "\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96" + "\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30" + "\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a" + "\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd" + "\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47" + "\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055" + "\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081" + "\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248" + "\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288" + "\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0" + "\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315" + "\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd" + "\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea" + "\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731" + "\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7" + "\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5" + "\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab" + "\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33" + "\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5" + "\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88" + "\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3" + "\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d" + "\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d" + "\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4" + "\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec" + "\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102" + "\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128" + "\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188" + "\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee" + "\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f" + "\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6" + "\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6" + "\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035" + "\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa" + "\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31ba" + "\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fef\ua000-\ua48c" + "\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b" + "\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f" + "\ua722-\ua788\ua78b-\ua7bf\ua7c2-\ua7c6\ua7f7-\ua801" + "\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873" + "\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925" + "\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4" + "\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42" + "\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1" + "\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd" + "\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e" + "\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a" + "\uab5c-\uab67\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6" + "\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06" + "\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c" + "\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d" + "\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74" + "\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe" + "\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc" + "\u{10000}-\u{1000b}\u{1000d}-\u{10026}\u{10028}-\u{1003a}" + "\u{1003c}\u{1003d}\u{1003f}-\u{1004d}\u{10050}-\u{1005d}" + "\u{10080}-\u{100fa}\u{10140}-\u{10174}\u{10280}-\u{1029c}" + "\u{102a0}-\u{102d0}\u{10300}-\u{1031f}\u{1032d}-\u{1034a}" + "\u{10350}-\u{10375}\u{10380}-\u{1039d}\u{103a0}-\u{103c3}" + "\u{103c8}-\u{103cf}\u{103d1}-\u{103d5}\u{10400}-\u{1049d}" + "\u{104b0}-\u{104d3}\u{104d8}-\u{104fb}\u{10500}-\u{10527}" + "\u{10530}-\u{10563}\u{10600}-\u{10736}\u{10740}-\u{10755}" + "\u{10760}-\u{10767}\u{10800}-\u{10805}\u{10808}" + "\u{1080a}-\u{10835}\u{10837}\u{10838}\u{1083c}" + "\u{1083f}-\u{10855}\u{10860}-\u{10876}\u{10880}-\u{1089e}" + "\u{108e0}-\u{108f2}\u{108f4}\u{108f5}\u{10900}-\u{10915}" + "\u{10920}-\u{10939}\u{10980}-\u{109b7}\u{109be}\u{109bf}" + "\u{10a00}\u{10a10}-\u{10a13}\u{10a15}-\u{10a17}" + "\u{10a19}-\u{10a35}\u{10a60}-\u{10a7c}\u{10a80}-\u{10a9c}" + "\u{10ac0}-\u{10ac7}\u{10ac9}-\u{10ae4}\u{10b00}-\u{10b35}" + "\u{10b40}-\u{10b55}\u{10b60}-\u{10b72}\u{10b80}-\u{10b91}" + "\u{10c00}-\u{10c48}\u{10c80}-\u{10cb2}\u{10cc0}-\u{10cf2}" + "\u{10d00}-\u{10d23}\u{10f00}-\u{10f1c}\u{10f27}" + "\u{10f30}-\u{10f45}\u{10fe0}-\u{10ff6}\u{11003}-\u{11037}" + "\u{11083}-\u{110af}\u{110d0}-\u{110e8}\u{11103}-\u{11126}" + "\u{11144}\u{11150}-\u{11172}\u{11176}\u{11183}-\u{111b2}" + "\u{111c1}-\u{111c4}\u{111da}\u{111dc}\u{11200}-\u{11211}" + "\u{11213}-\u{1122b}\u{11280}-\u{11286}\u{11288}" + "\u{1128a}-\u{1128d}\u{1128f}-\u{1129d}\u{1129f}-\u{112a8}" + "\u{112b0}-\u{112de}\u{11305}-\u{1130c}\u{1130f}\u{11310}" + "\u{11313}-\u{11328}\u{1132a}-\u{11330}\u{11332}\u{11333}" + "\u{11335}-\u{11339}\u{1133d}\u{11350}\u{1135d}-\u{11361}" + "\u{11400}-\u{11434}\u{11447}-\u{1144a}\u{1145f}" + "\u{11480}-\u{114af}\u{114c4}\u{114c5}\u{114c7}" + "\u{11580}-\u{115ae}\u{115d8}-\u{115db}\u{11600}-\u{1162f}" + "\u{11644}\u{11680}-\u{116aa}\u{116b8}\u{11700}-\u{1171a}" + "\u{11800}-\u{1182b}\u{118a0}-\u{118df}\u{118ff}" + "\u{119a0}-\u{119a7}\u{119aa}-\u{119d0}\u{119e1}\u{119e3}" + "\u{11a00}\u{11a0b}-\u{11a32}\u{11a3a}\u{11a50}" + "\u{11a5c}-\u{11a89}\u{11a9d}\u{11ac0}-\u{11af8}" + "\u{11c00}-\u{11c08}\u{11c0a}-\u{11c2e}\u{11c40}" + "\u{11c72}-\u{11c8f}\u{11d00}-\u{11d06}\u{11d08}\u{11d09}" + "\u{11d0b}-\u{11d30}\u{11d46}\u{11d60}-\u{11d65}" + "\u{11d67}\u{11d68}\u{11d6a}-\u{11d89}\u{11d98}" + "\u{11ee0}-\u{11ef2}\u{12000}-\u{12399}\u{12400}-\u{1246e}" + "\u{12480}-\u{12543}\u{13000}-\u{1342e}\u{14400}-\u{14646}" + "\u{16800}-\u{16a38}\u{16a40}-\u{16a5e}\u{16ad0}-\u{16aed}" + "\u{16b00}-\u{16b2f}\u{16b40}-\u{16b43}\u{16b63}-\u{16b77}" + "\u{16b7d}-\u{16b8f}\u{16e40}-\u{16e7f}\u{16f00}-\u{16f4a}" + "\u{16f50}\u{16f93}-\u{16f9f}\u{16fe0}\u{16fe1}\u{16fe3}" + "\u{17000}-\u{187f7}\u{18800}-\u{18af2}\u{1b000}-\u{1b11e}" + "\u{1b150}-\u{1b152}\u{1b164}-\u{1b167}\u{1b170}-\u{1b2fb}" + "\u{1bc00}-\u{1bc6a}\u{1bc70}-\u{1bc7c}\u{1bc80}-\u{1bc88}" + "\u{1bc90}-\u{1bc99}\u{1d400}-\u{1d454}\u{1d456}-\u{1d49c}" + "\u{1d49e}\u{1d49f}\u{1d4a2}\u{1d4a5}\u{1d4a6}" + "\u{1d4a9}-\u{1d4ac}\u{1d4ae}-\u{1d4b9}\u{1d4bb}" + "\u{1d4bd}-\u{1d4c3}\u{1d4c5}-\u{1d505}\u{1d507}-\u{1d50a}" + "\u{1d50d}-\u{1d514}\u{1d516}-\u{1d51c}\u{1d51e}-\u{1d539}" + "\u{1d53b}-\u{1d53e}\u{1d540}-\u{1d544}\u{1d546}" + "\u{1d54a}-\u{1d550}\u{1d552}-\u{1d6a5}\u{1d6a8}-\u{1d6c0}" + "\u{1d6c2}-\u{1d6da}\u{1d6dc}-\u{1d6fa}\u{1d6fc}-\u{1d714}" + "\u{1d716}-\u{1d734}\u{1d736}-\u{1d74e}\u{1d750}-\u{1d76e}" + "\u{1d770}-\u{1d788}\u{1d78a}-\u{1d7a8}\u{1d7aa}-\u{1d7c2}" + "\u{1d7c4}-\u{1d7cb}\u{1e100}-\u{1e12c}\u{1e137}-\u{1e13d}" + "\u{1e14e}\u{1e2c0}-\u{1e2eb}\u{1e800}-\u{1e8c4}" + "\u{1e900}-\u{1e943}\u{1e94b}\u{1ee00}-\u{1ee03}" + "\u{1ee05}-\u{1ee1f}\u{1ee21}\u{1ee22}\u{1ee24}\u{1ee27}" + "\u{1ee29}-\u{1ee32}\u{1ee34}-\u{1ee37}\u{1ee39}\u{1ee3b}" + "\u{1ee42}\u{1ee47}\u{1ee49}\u{1ee4b}\u{1ee4d}-\u{1ee4f}" + "\u{1ee51}\u{1ee52}\u{1ee54}\u{1ee57}\u{1ee59}\u{1ee5b}" + "\u{1ee5d}\u{1ee5f}\u{1ee61}\u{1ee62}\u{1ee64}" + "\u{1ee67}-\u{1ee6a}\u{1ee6c}-\u{1ee72}\u{1ee74}-\u{1ee77}" + "\u{1ee79}-\u{1ee7c}\u{1ee7e}\u{1ee80}-\u{1ee89}" + "\u{1ee8b}-\u{1ee9b}\u{1eea1}-\u{1eea3}\u{1eea5}-\u{1eea9}" + "\u{1eeab}-\u{1eebb}\u{20000}-\u{2a6d6}\u{2a700}-\u{2b734}" + "\u{2b740}-\u{2b81d}\u{2b820}-\u{2cea1}\u{2ceb0}-\u{2ebe0}" + "\u{2f800}-\u{2fa1d}]$", "u");
+  }
+
+  return largeIdStartPattern.test(String.fromCodePoint(cp));
+}
+
+function isLargeIdContinue(cp) {
+  if (!largeIdContinuePattern) {
+    largeIdContinuePattern = new RegExp("^[\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf" + "\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669" + "\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed" + "\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9" + "\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827" + "\u0829-\u082d\u0859-\u085b\u08d3-\u08e1\u08e3-\u0903" + "\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963" + "\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8" + "\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe" + "\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d" + "\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5" + "\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef" + "\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48" + "\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82" + "\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef" + "\u0c00-\u0c04\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d" + "\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc" + "\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6" + "\u0ce2\u0ce3\u0ce6-\u0cef\u0d00-\u0d03\u0d3b\u0d3c" + "\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63" + "\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6" + "\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a" + "\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ecd" + "\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39" + "\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97" + "\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059" + "\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074" + "\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371" + "\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773" + "\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819" + "\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da" + "\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89" + "\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44" + "\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad" + "\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49" + "\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4" + "\u1cf7-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u203f\u2040\u2054" + "\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f" + "\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f" + "\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b" + "\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9" + "\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953" + "\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9" + "\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d" + "\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1" + "\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed" + "\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34" + "\ufe4d-\ufe4f\uff10-\uff19\uff3f\u{101fd}\u{102e0}" + "\u{10376}-\u{1037a}\u{104a0}-\u{104a9}\u{10a01}-\u{10a03}" + "\u{10a05}\u{10a06}\u{10a0c}-\u{10a0f}\u{10a38}-\u{10a3a}" + "\u{10a3f}\u{10ae5}\u{10ae6}\u{10d24}-\u{10d27}" + "\u{10d30}-\u{10d39}\u{10f46}-\u{10f50}\u{11000}-\u{11002}" + "\u{11038}-\u{11046}\u{11066}-\u{1106f}\u{1107f}-\u{11082}" + "\u{110b0}-\u{110ba}\u{110f0}-\u{110f9}\u{11100}-\u{11102}" + "\u{11127}-\u{11134}\u{11136}-\u{1113f}\u{11145}\u{11146}" + "\u{11173}\u{11180}-\u{11182}\u{111b3}-\u{111c0}" + "\u{111c9}-\u{111cc}\u{111d0}-\u{111d9}\u{1122c}-\u{11237}" + "\u{1123e}\u{112df}-\u{112ea}\u{112f0}-\u{112f9}" + "\u{11300}-\u{11303}\u{1133b}\u{1133c}\u{1133e}-\u{11344}" + "\u{11347}\u{11348}\u{1134b}-\u{1134d}\u{11357}" + "\u{11362}\u{11363}\u{11366}-\u{1136c}\u{11370}-\u{11374}" + "\u{11435}-\u{11446}\u{11450}-\u{11459}\u{1145e}" + "\u{114b0}-\u{114c3}\u{114d0}-\u{114d9}\u{115af}-\u{115b5}" + "\u{115b8}-\u{115c0}\u{115dc}\u{115dd}\u{11630}-\u{11640}" + "\u{11650}-\u{11659}\u{116ab}-\u{116b7}\u{116c0}-\u{116c9}" + "\u{1171d}-\u{1172b}\u{11730}-\u{11739}\u{1182c}-\u{1183a}" + "\u{118e0}-\u{118e9}\u{119d1}-\u{119d7}\u{119da}-\u{119e0}" + "\u{119e4}\u{11a01}-\u{11a0a}\u{11a33}-\u{11a39}" + "\u{11a3b}-\u{11a3e}\u{11a47}\u{11a51}-\u{11a5b}" + "\u{11a8a}-\u{11a99}\u{11c2f}-\u{11c36}\u{11c38}-\u{11c3f}" + "\u{11c50}-\u{11c59}\u{11c92}-\u{11ca7}\u{11ca9}-\u{11cb6}" + "\u{11d31}-\u{11d36}\u{11d3a}\u{11d3c}\u{11d3d}" + "\u{11d3f}-\u{11d45}\u{11d47}\u{11d50}-\u{11d59}" + "\u{11d8a}-\u{11d8e}\u{11d90}\u{11d91}\u{11d93}-\u{11d97}" + "\u{11da0}-\u{11da9}\u{11ef3}-\u{11ef6}\u{16a60}-\u{16a69}" + "\u{16af0}-\u{16af4}\u{16b30}-\u{16b36}\u{16b50}-\u{16b59}" + "\u{16f4f}\u{16f51}-\u{16f87}\u{16f8f}-\u{16f92}" + "\u{1bc9d}\u{1bc9e}\u{1d165}-\u{1d169}\u{1d16d}-\u{1d172}" + "\u{1d17b}-\u{1d182}\u{1d185}-\u{1d18b}\u{1d1aa}-\u{1d1ad}" + "\u{1d242}-\u{1d244}\u{1d7ce}-\u{1d7ff}\u{1da00}-\u{1da36}" + "\u{1da3b}-\u{1da6c}\u{1da75}\u{1da84}\u{1da9b}-\u{1da9f}" + "\u{1daa1}-\u{1daaf}\u{1e000}-\u{1e006}\u{1e008}-\u{1e018}" + "\u{1e01b}-\u{1e021}\u{1e023}\u{1e024}\u{1e026}-\u{1e02a}" + "\u{1e130}-\u{1e136}\u{1e140}-\u{1e149}\u{1e2ec}-\u{1e2f9}" + "\u{1e8d0}-\u{1e8d6}\u{1e944}-\u{1e94a}\u{1e950}-\u{1e959}" + "\u{e0100}-\u{e01ef}]$", "u");
+  }
+
+  return largeIdContinuePattern.test(String.fromCodePoint(cp));
+}
+
+const gcNamePattern = /^(?:General_Category|gc)$/u;
+const scNamePattern = /^(?:Script(?:_Extensions)?|scx?)$/u;
+const gcValuePatterns = {
+  es2018: null,
+  es2019: null,
+  es2020: null
+};
+const scValuePatterns = {
+  es2018: null,
+  es2019: null,
+  es2020: null
+};
+const binPropertyPatterns = {
+  es2018: null,
+  es2019: null,
+  es2020: null
+};
+
+function isValidUnicodeProperty(version, name, value) {
+  if (gcNamePattern.test(name)) {
+    if (version >= 2018) {
+      if (!gcValuePatterns.es2018) {
+        gcValuePatterns.es2018 = new RegExp("^(?:C|Cased_Letter|Cc|Cf|Close_Punctuation|Cn|Co|" + "Combining_Mark|Connector_Punctuation|Control|Cs|" + "Currency_Symbol|Dash_Punctuation|Decimal_Number|" + "Enclosing_Mark|Final_Punctuation|Format|" + "Initial_Punctuation|L|LC|Letter|Letter_Number|" + "Line_Separator|Ll|Lm|Lo|Lowercase_Letter|Lt|Lu|M|" + "Mark|Math_Symbol|Mc|Me|Mn|Modifier_Letter|" + "Modifier_Symbol|N|Nd|Nl|No|Nonspacing_Mark|Number|" + "Open_Punctuation|Other|Other_Letter|Other_Number|" + "Other_Punctuation|Other_Symbol|P|" + "Paragraph_Separator|Pc|Pd|Pe|Pf|Pi|Po|Private_Use|" + "Ps|Punctuation|S|Sc|Separator|Sk|Sm|So|" + "Space_Separator|Spacing_Mark|Surrogate|Symbol|" + "Titlecase_Letter|Unassigned|Uppercase_Letter|Z|Zl|" + "Zp|Zs|cntrl|digit|punct)$", "u");
+      }
+
+      if (gcValuePatterns.es2018.test(value)) {
+        return true;
+      }
+    }
+  }
+
+  if (scNamePattern.test(name)) {
+    if (version >= 2018) {
+      if (!scValuePatterns.es2018) {
+        scValuePatterns.es2018 = new RegExp("^(?:Adlam|Adlm|Aghb|Ahom|Anatolian_Hieroglyphs|Arab|" + "Arabic|Armenian|Armi|Armn|Avestan|Avst|Bali|" + "Balinese|Bamu|Bamum|Bass|Bassa_Vah|Batak|Batk|Beng|" + "Bengali|Bhaiksuki|Bhks|Bopo|Bopomofo|Brah|Brahmi|" + "Brai|Braille|Bugi|Buginese|Buhd|Buhid|Cakm|" + "Canadian_Aboriginal|Cans|Cari|Carian|" + "Caucasian_Albanian|Chakma|Cham|Cher|Cherokee|Common|" + "Copt|Coptic|Cprt|Cuneiform|Cypriot|Cyrillic|Cyrl|" + "Deseret|Deva|Devanagari|Dsrt|Dupl|Duployan|Egyp|" + "Egyptian_Hieroglyphs|Elba|Elbasan|Ethi|Ethiopic|" + "Geor|Georgian|Glag|Glagolitic|Gonm|Goth|Gothic|Gran|" + "Grantha|Greek|Grek|Gujarati|Gujr|Gurmukhi|Guru|Han|" + "Hang|Hangul|Hani|Hano|Hanunoo|Hatr|Hatran|Hebr|" + "Hebrew|Hira|Hiragana|Hluw|Hmng|Hung|" + "Imperial_Aramaic|Inherited|Inscriptional_Pahlavi|" + "Inscriptional_Parthian|Ital|Java|Javanese|Kaithi|" + "Kali|Kana|Kannada|Katakana|Kayah_Li|Khar|Kharoshthi|" + "Khmer|Khmr|Khoj|Khojki|Khudawadi|Knda|Kthi|Lana|Lao|" + "Laoo|Latin|Latn|Lepc|Lepcha|Limb|Limbu|Lina|Linb|" + "Linear_A|Linear_B|Lisu|Lyci|Lycian|Lydi|Lydian|" + "Mahajani|Mahj|Malayalam|Mand|Mandaic|Mani|" + "Manichaean|Marc|Marchen|Masaram_Gondi|Meetei_Mayek|" + "Mend|Mende_Kikakui|Merc|Mero|Meroitic_Cursive|" + "Meroitic_Hieroglyphs|Miao|Mlym|Modi|Mong|Mongolian|" + "Mro|Mroo|Mtei|Mult|Multani|Myanmar|Mymr|Nabataean|" + "Narb|Nbat|New_Tai_Lue|Newa|Nko|Nkoo|Nshu|Nushu|Ogam|" + "Ogham|Ol_Chiki|Olck|Old_Hungarian|Old_Italic|" + "Old_North_Arabian|Old_Permic|Old_Persian|" + "Old_South_Arabian|Old_Turkic|Oriya|Orkh|Orya|Osage|" + "Osge|Osma|Osmanya|Pahawh_Hmong|Palm|Palmyrene|" + "Pau_Cin_Hau|Pauc|Perm|Phag|Phags_Pa|Phli|Phlp|Phnx|" + "Phoenician|Plrd|Prti|Psalter_Pahlavi|Qaac|Qaai|" + "Rejang|Rjng|Runic|Runr|Samaritan|Samr|Sarb|Saur|" + "Saurashtra|Sgnw|Sharada|Shavian|Shaw|Shrd|Sidd|" + "Siddham|SignWriting|Sind|Sinh|Sinhala|Sora|" + "Sora_Sompeng|Soyo|Soyombo|Sund|Sundanese|Sylo|" + "Syloti_Nagri|Syrc|Syriac|Tagalog|Tagb|Tagbanwa|" + "Tai_Le|Tai_Tham|Tai_Viet|Takr|Takri|Tale|Talu|Tamil|" + "Taml|Tang|Tangut|Tavt|Telu|Telugu|Tfng|Tglg|Thaa|" + "Thaana|Thai|Tibetan|Tibt|Tifinagh|Tirh|Tirhuta|Ugar|" + "Ugaritic|Vai|Vaii|Wara|Warang_Citi|Xpeo|Xsux|Yi|" + "Yiii|Zanabazar_Square|Zanb|Zinh|Zyyy)$", "u");
+      }
+
+      if (scValuePatterns.es2018.test(value)) {
+        return true;
+      }
+    }
+
+    if (version >= 2019) {
+      if (!scValuePatterns.es2019) {
+        scValuePatterns.es2019 = new RegExp("^(?:Dogr|Dogra|Gong|Gunjala_Gondi|Hanifi_Rohingya|" + "Maka|Makasar|Medefaidrin|Medf|Old_Sogdian|Rohg|Sogd|" + "Sogdian|Sogo)$", "u");
+      }
+
+      if (scValuePatterns.es2019.test(value)) {
+        return true;
+      }
+    }
+
+    if (version >= 2020) {
+      if (!scValuePatterns.es2020) {
+        scValuePatterns.es2020 = new RegExp("^(?:Hmnp|Nand|Nandinagari|Nyiakeng_Puachue_Hmong|" + "Wancho|Wcho)$", "u");
+      }
+
+      if (scValuePatterns.es2020.test(value)) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
+function isValidLoneUnicodeProperty(version, value) {
+  if (version >= 2018) {
+    if (!binPropertyPatterns.es2018) {
+      binPropertyPatterns.es2018 = new RegExp("^(?:AHex|ASCII|ASCII_Hex_Digit|Alpha|Alphabetic|Any|" + "Assigned|Bidi_C|Bidi_Control|Bidi_M|Bidi_Mirrored|CI|" + "CWCF|CWCM|CWKCF|CWL|CWT|CWU|Case_Ignorable|Cased|" + "Changes_When_Casefolded|Changes_When_Casemapped|" + "Changes_When_Lowercased|Changes_When_NFKC_Casefolded|" + "Changes_When_Titlecased|Changes_When_Uppercased|DI|Dash|" + "Default_Ignorable_Code_Point|Dep|Deprecated|Dia|" + "Diacritic|Emoji|Emoji_Component|Emoji_Modifier|" + "Emoji_Modifier_Base|Emoji_Presentation|Ext|Extender|" + "Gr_Base|Gr_Ext|Grapheme_Base|Grapheme_Extend|Hex|" + "Hex_Digit|IDC|IDS|IDSB|IDST|IDS_Binary_Operator|" + "IDS_Trinary_Operator|ID_Continue|ID_Start|Ideo|" + "Ideographic|Join_C|Join_Control|LOE|" + "Logical_Order_Exception|Lower|Lowercase|Math|NChar|" + "Noncharacter_Code_Point|Pat_Syn|Pat_WS|Pattern_Syntax|" + "Pattern_White_Space|QMark|Quotation_Mark|RI|Radical|" + "Regional_Indicator|SD|STerm|Sentence_Terminal|" + "Soft_Dotted|Term|Terminal_Punctuation|UIdeo|" + "Unified_Ideograph|Upper|Uppercase|VS|Variation_Selector|" + "White_Space|XIDC|XIDS|XID_Continue|XID_Start|space)$", "u");
+    }
+
+    if (binPropertyPatterns.es2018.test(value)) {
+      return true;
+    }
+  }
+
+  if (version >= 2019) {
+    if (!binPropertyPatterns.es2019) {
+      binPropertyPatterns.es2019 = new RegExp("^(?:Extended_Pictographic)$", "u");
+    }
+
+    if (binPropertyPatterns.es2019.test(value)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+const Backspace = 0x08;
+const CharacterTabulation = 0x09;
+const LineFeed = 0x0a;
+const LineTabulation = 0x0b;
+const FormFeed = 0x0c;
+const CarriageReturn = 0x0d;
+const ExclamationMark = 0x21;
+const DollarSign = 0x24;
+const LeftParenthesis = 0x28;
+const RightParenthesis = 0x29;
+const Asterisk = 0x2a;
+const PlusSign = 0x2b;
+const Comma = 0x2c;
+const HyphenMinus = 0x2d;
+const FullStop = 0x2e;
+const Solidus = 0x2f;
+const DigitZero = 0x30;
+const DigitOne = 0x31;
+const DigitSeven = 0x37;
+const DigitNine = 0x39;
+const Colon = 0x3a;
+const LessThanSign = 0x3c;
+const EqualsSign = 0x3d;
+const GreaterThanSign = 0x3e;
+const QuestionMark = 0x3f;
+const LatinCapitalLetterA = 0x41;
+const LatinCapitalLetterB = 0x42;
+const LatinCapitalLetterD = 0x44;
+const LatinCapitalLetterF = 0x46;
+const LatinCapitalLetterP = 0x50;
+const LatinCapitalLetterS = 0x53;
+const LatinCapitalLetterW = 0x57;
+const LatinCapitalLetterZ = 0x5a;
+const LowLine = 0x5f;
+const LatinSmallLetterA = 0x61;
+const LatinSmallLetterB = 0x62;
+const LatinSmallLetterC = 0x63;
+const LatinSmallLetterD = 0x64;
+const LatinSmallLetterF = 0x66;
+const LatinSmallLetterG = 0x67;
+const LatinSmallLetterI = 0x69;
+const LatinSmallLetterK = 0x6b;
+const LatinSmallLetterM = 0x6d;
+const LatinSmallLetterN = 0x6e;
+const LatinSmallLetterP = 0x70;
+const LatinSmallLetterR = 0x72;
+const LatinSmallLetterS = 0x73;
+const LatinSmallLetterT = 0x74;
+const LatinSmallLetterU = 0x75;
+const LatinSmallLetterV = 0x76;
+const LatinSmallLetterW = 0x77;
+const LatinSmallLetterX = 0x78;
+const LatinSmallLetterY = 0x79;
+const LatinSmallLetterZ = 0x7a;
+const LeftSquareBracket = 0x5b;
+const ReverseSolidus = 0x5c;
+const RightSquareBracket = 0x5d;
+const CircumflexAccent = 0x5e;
+const LeftCurlyBracket = 0x7b;
+const VerticalLine = 0x7c;
+const RightCurlyBracket = 0x7d;
+const ZeroWidthNonJoiner = 0x200c;
+const ZeroWidthJoiner = 0x200d;
+const LineSeparator = 0x2028;
+const ParagraphSeparator = 0x2029;
+const MinCodePoint = 0x00;
+const MaxCodePoint = 0x10ffff;
+
+function isLatinLetter(code) {
+  return code >= LatinCapitalLetterA && code <= LatinCapitalLetterZ || code >= LatinSmallLetterA && code <= LatinSmallLetterZ;
+}
+
+function isDecimalDigit(code) {
+  return code >= DigitZero && code <= DigitNine;
+}
+
+function isOctalDigit(code) {
+  return code >= DigitZero && code <= DigitSeven;
+}
+
+function isHexDigit(code) {
+  return code >= DigitZero && code <= DigitNine || code >= LatinCapitalLetterA && code <= LatinCapitalLetterF || code >= LatinSmallLetterA && code <= LatinSmallLetterF;
+}
+
+function isLineTerminator(code) {
+  return code === LineFeed || code === CarriageReturn || code === LineSeparator || code === ParagraphSeparator;
+}
+
+function isValidUnicode(code) {
+  return code >= MinCodePoint && code <= MaxCodePoint;
+}
+
+function digitToInt(code) {
+  if (code >= LatinSmallLetterA && code <= LatinSmallLetterF) {
+    return code - LatinSmallLetterA + 10;
+  }
+
+  if (code >= LatinCapitalLetterA && code <= LatinCapitalLetterF) {
+    return code - LatinCapitalLetterA + 10;
+  }
+
+  return code - DigitZero;
+}
+
+const legacyImpl = {
+  at(s, end, i) {
+    return i < end ? s.charCodeAt(i) : -1;
+  },
+
+  width(c) {
+    return 1;
+  }
+
+};
+const unicodeImpl = {
+  at(s, end, i) {
+    return i < end ? s.codePointAt(i) : -1;
+  },
+
+  width(c) {
+    return c > 0xffff ? 2 : 1;
+  }
+
+};
+
+class Reader {
+  constructor() {
+    this._impl = legacyImpl;
+    this._s = "";
+    this._i = 0;
+    this._end = 0;
+    this._cp1 = -1;
+    this._w1 = 1;
+    this._cp2 = -1;
+    this._w2 = 1;
+    this._cp3 = -1;
+    this._w3 = 1;
+    this._cp4 = -1;
+  }
+
+  get source() {
+    return this._s;
+  }
+
+  get index() {
+    return this._i;
+  }
+
+  get currentCodePoint() {
+    return this._cp1;
+  }
+
+  get nextCodePoint() {
+    return this._cp2;
+  }
+
+  get nextCodePoint2() {
+    return this._cp3;
+  }
+
+  get nextCodePoint3() {
+    return this._cp4;
+  }
+
+  reset(source, start, end, uFlag) {
+    this._impl = uFlag ? unicodeImpl : legacyImpl;
+    this._s = source;
+    this._end = end;
+    this.rewind(start);
+  }
+
+  rewind(index) {
+    const impl = this._impl;
+    this._i = index;
+    this._cp1 = impl.at(this._s, this._end, index);
+    this._w1 = impl.width(this._cp1);
+    this._cp2 = impl.at(this._s, this._end, index + this._w1);
+    this._w2 = impl.width(this._cp2);
+    this._cp3 = impl.at(this._s, this._end, index + this._w1 + this._w2);
+    this._w3 = impl.width(this._cp3);
+    this._cp4 = impl.at(this._s, this._end, index + this._w1 + this._w2 + this._w3);
+  }
+
+  advance() {
+    if (this._cp1 !== -1) {
+      const impl = this._impl;
+      this._i += this._w1;
+      this._cp1 = this._cp2;
+      this._w1 = this._w2;
+      this._cp2 = this._cp3;
+      this._w2 = impl.width(this._cp2);
+      this._cp3 = this._cp4;
+      this._w3 = impl.width(this._cp3);
+      this._cp4 = impl.at(this._s, this._end, this._i + this._w1 + this._w2 + this._w3);
+    }
+  }
+
+  eat(cp) {
+    if (this._cp1 === cp) {
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+  eat2(cp1, cp2) {
+    if (this._cp1 === cp1 && this._cp2 === cp2) {
+      this.advance();
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+  eat3(cp1, cp2, cp3) {
+    if (this._cp1 === cp1 && this._cp2 === cp2 && this._cp3 === cp3) {
+      this.advance();
+      this.advance();
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+}
+
+class RegExpSyntaxError extends SyntaxError {
+  constructor(source, uFlag, index, message) {
+    if (source) {
+      if (!source.startsWith("/")) {
+        source = "/".concat(source, "/").concat(uFlag ? "u" : "");
+      }
+
+      source = ": ".concat(source);
+    }
+
+    super("Invalid regular expression".concat(source, ": ").concat(message));
+    this.index = index;
+  }
+
+}
+
+function isSyntaxCharacter(cp) {
+  return cp === CircumflexAccent || cp === DollarSign || cp === ReverseSolidus || cp === FullStop || cp === Asterisk || cp === PlusSign || cp === QuestionMark || cp === LeftParenthesis || cp === RightParenthesis || cp === LeftSquareBracket || cp === RightSquareBracket || cp === LeftCurlyBracket || cp === RightCurlyBracket || cp === VerticalLine;
+}
+
+function isRegExpIdentifierStart(cp) {
+  return isIdStart(cp) || cp === DollarSign || cp === LowLine;
+}
+
+function isRegExpIdentifierPart(cp) {
+  return isIdContinue(cp) || cp === DollarSign || cp === LowLine || cp === ZeroWidthNonJoiner || cp === ZeroWidthJoiner;
+}
+
+function isUnicodePropertyNameCharacter(cp) {
+  return isLatinLetter(cp) || cp === LowLine;
+}
+
+function isUnicodePropertyValueCharacter(cp) {
+  return isUnicodePropertyNameCharacter(cp) || isDecimalDigit(cp);
+}
+
+class RegExpValidator {
+  constructor(options) {
+    this._reader = new Reader();
+    this._uFlag = false;
+    this._nFlag = false;
+    this._lastIntValue = 0;
+    this._lastMinValue = 0;
+    this._lastMaxValue = 0;
+    this._lastStrValue = "";
+    this._lastKeyValue = "";
+    this._lastValValue = "";
+    this._lastAssertionIsQuantifiable = false;
+    this._numCapturingParens = 0;
+    this._groupNames = new Set();
+    this._backreferenceNames = new Set();
+    this._options = options || {};
+  }
+
+  validateLiteral(source, start = 0, end = source.length) {
+    this._uFlag = this._nFlag = false;
+    this.reset(source, start, end);
+    this.onLiteralEnter(start);
+
+    if (this.eat(Solidus) && this.eatRegExpBody() && this.eat(Solidus)) {
+      const flagStart = this.index;
+      const uFlag = source.includes("u", flagStart);
+      this.validateFlags(source, flagStart, end);
+      this.validatePattern(source, start + 1, flagStart - 1, uFlag);
+    } else if (start >= end) {
+      this.raise("Empty");
+    } else {
+      const c = String.fromCodePoint(this.currentCodePoint);
+      this.raise("Unexpected character '".concat(c, "'"));
+    }
+
+    this.onLiteralLeave(start, end);
+  }
+
+  validateFlags(source, start = 0, end = source.length) {
+    const existingFlags = new Set();
+    let global = false;
+    let ignoreCase = false;
+    let multiline = false;
+    let sticky = false;
+    let unicode = false;
+    let dotAll = false;
+
+    for (let i = start; i < end; ++i) {
+      const flag = source.charCodeAt(i);
+
+      if (existingFlags.has(flag)) {
+        this.raise("Duplicated flag '".concat(source[i], "'"));
+      }
+
+      existingFlags.add(flag);
+
+      if (flag === LatinSmallLetterG) {
+        global = true;
+      } else if (flag === LatinSmallLetterI) {
+        ignoreCase = true;
+      } else if (flag === LatinSmallLetterM) {
+        multiline = true;
+      } else if (flag === LatinSmallLetterU && this.ecmaVersion >= 2015) {
+        unicode = true;
+      } else if (flag === LatinSmallLetterY && this.ecmaVersion >= 2015) {
+        sticky = true;
+      } else if (flag === LatinSmallLetterS && this.ecmaVersion >= 2018) {
+        dotAll = true;
+      } else {
+        this.raise("Invalid flag '".concat(source[i], "'"));
+      }
+    }
+
+    this.onFlags(start, end, global, ignoreCase, multiline, unicode, sticky, dotAll);
+  }
+
+  validatePattern(source, start = 0, end = source.length, uFlag = false) {
+    this._uFlag = uFlag && this.ecmaVersion >= 2015;
+    this._nFlag = uFlag && this.ecmaVersion >= 2018;
+    this.reset(source, start, end);
+    this.pattern();
+
+    if (!this._nFlag && this.ecmaVersion >= 2018 && this._groupNames.size > 0) {
+      this._nFlag = true;
+      this.rewind(start);
+      this.pattern();
+    }
+  }
+
+  get strict() {
+    return Boolean(this._options.strict || this._uFlag);
+  }
+
+  get ecmaVersion() {
+    return this._options.ecmaVersion || 2020;
+  }
+
+  onLiteralEnter(start) {
+    if (this._options.onLiteralEnter) {
+      this._options.onLiteralEnter(start);
+    }
+  }
+
+  onLiteralLeave(start, end) {
+    if (this._options.onLiteralLeave) {
+      this._options.onLiteralLeave(start, end);
+    }
+  }
+
+  onFlags(start, end, global, ignoreCase, multiline, unicode, sticky, dotAll) {
+    if (this._options.onFlags) {
+      this._options.onFlags(start, end, global, ignoreCase, multiline, unicode, sticky, dotAll);
+    }
+  }
+
+  onPatternEnter(start) {
+    if (this._options.onPatternEnter) {
+      this._options.onPatternEnter(start);
+    }
+  }
+
+  onPatternLeave(start, end) {
+    if (this._options.onPatternLeave) {
+      this._options.onPatternLeave(start, end);
+    }
+  }
+
+  onDisjunctionEnter(start) {
+    if (this._options.onDisjunctionEnter) {
+      this._options.onDisjunctionEnter(start);
+    }
+  }
+
+  onDisjunctionLeave(start, end) {
+    if (this._options.onDisjunctionLeave) {
+      this._options.onDisjunctionLeave(start, end);
+    }
+  }
+
+  onAlternativeEnter(start, index) {
+    if (this._options.onAlternativeEnter) {
+      this._options.onAlternativeEnter(start, index);
+    }
+  }
+
+  onAlternativeLeave(start, end, index) {
+    if (this._options.onAlternativeLeave) {
+      this._options.onAlternativeLeave(start, end, index);
+    }
+  }
+
+  onGroupEnter(start) {
+    if (this._options.onGroupEnter) {
+      this._options.onGroupEnter(start);
+    }
+  }
+
+  onGroupLeave(start, end) {
+    if (this._options.onGroupLeave) {
+      this._options.onGroupLeave(start, end);
+    }
+  }
+
+  onCapturingGroupEnter(start, name) {
+    if (this._options.onCapturingGroupEnter) {
+      this._options.onCapturingGroupEnter(start, name);
+    }
+  }
+
+  onCapturingGroupLeave(start, end, name) {
+    if (this._options.onCapturingGroupLeave) {
+      this._options.onCapturingGroupLeave(start, end, name);
+    }
+  }
+
+  onQuantifier(start, end, min, max, greedy) {
+    if (this._options.onQuantifier) {
+      this._options.onQuantifier(start, end, min, max, greedy);
+    }
+  }
+
+  onLookaroundAssertionEnter(start, kind, negate) {
+    if (this._options.onLookaroundAssertionEnter) {
+      this._options.onLookaroundAssertionEnter(start, kind, negate);
+    }
+  }
+
+  onLookaroundAssertionLeave(start, end, kind, negate) {
+    if (this._options.onLookaroundAssertionLeave) {
+      this._options.onLookaroundAssertionLeave(start, end, kind, negate);
+    }
+  }
+
+  onEdgeAssertion(start, end, kind) {
+    if (this._options.onEdgeAssertion) {
+      this._options.onEdgeAssertion(start, end, kind);
+    }
+  }
+
+  onWordBoundaryAssertion(start, end, kind, negate) {
+    if (this._options.onWordBoundaryAssertion) {
+      this._options.onWordBoundaryAssertion(start, end, kind, negate);
+    }
+  }
+
+  onAnyCharacterSet(start, end, kind) {
+    if (this._options.onAnyCharacterSet) {
+      this._options.onAnyCharacterSet(start, end, kind);
+    }
+  }
+
+  onEscapeCharacterSet(start, end, kind, negate) {
+    if (this._options.onEscapeCharacterSet) {
+      this._options.onEscapeCharacterSet(start, end, kind, negate);
+    }
+  }
+
+  onUnicodePropertyCharacterSet(start, end, kind, key, value, negate) {
+    if (this._options.onUnicodePropertyCharacterSet) {
+      this._options.onUnicodePropertyCharacterSet(start, end, kind, key, value, negate);
+    }
+  }
+
+  onCharacter(start, end, value) {
+    if (this._options.onCharacter) {
+      this._options.onCharacter(start, end, value);
+    }
+  }
+
+  onBackreference(start, end, ref) {
+    if (this._options.onBackreference) {
+      this._options.onBackreference(start, end, ref);
+    }
+  }
+
+  onCharacterClassEnter(start, negate) {
+    if (this._options.onCharacterClassEnter) {
+      this._options.onCharacterClassEnter(start, negate);
+    }
+  }
+
+  onCharacterClassLeave(start, end, negate) {
+    if (this._options.onCharacterClassLeave) {
+      this._options.onCharacterClassLeave(start, end, negate);
+    }
+  }
+
+  onCharacterClassRange(start, end, min, max) {
+    if (this._options.onCharacterClassRange) {
+      this._options.onCharacterClassRange(start, end, min, max);
+    }
+  }
+
+  get source() {
+    return this._reader.source;
+  }
+
+  get index() {
+    return this._reader.index;
+  }
+
+  get currentCodePoint() {
+    return this._reader.currentCodePoint;
+  }
+
+  get nextCodePoint() {
+    return this._reader.nextCodePoint;
+  }
+
+  get nextCodePoint2() {
+    return this._reader.nextCodePoint2;
+  }
+
+  get nextCodePoint3() {
+    return this._reader.nextCodePoint3;
+  }
+
+  reset(source, start, end) {
+    this._reader.reset(source, start, end, this._uFlag);
+  }
+
+  rewind(index) {
+    this._reader.rewind(index);
+  }
+
+  advance() {
+    this._reader.advance();
+  }
+
+  eat(cp) {
+    return this._reader.eat(cp);
+  }
+
+  eat2(cp1, cp2) {
+    return this._reader.eat2(cp1, cp2);
+  }
+
+  eat3(cp1, cp2, cp3) {
+    return this._reader.eat3(cp1, cp2, cp3);
+  }
+
+  raise(message) {
+    throw new RegExpSyntaxError(this.source, this._uFlag, this.index, message);
+  }
+
+  eatRegExpBody() {
+    const start = this.index;
+    let inClass = false;
+    let escaped = false;
+
+    for (;;) {
+      const cp = this.currentCodePoint;
+
+      if (cp === -1 || isLineTerminator(cp)) {
+        const kind = inClass ? "character class" : "regular expression";
+        this.raise("Unterminated ".concat(kind));
+      }
+
+      if (escaped) {
+        escaped = false;
+      } else if (cp === ReverseSolidus) {
+        escaped = true;
+      } else if (cp === LeftSquareBracket) {
+        inClass = true;
+      } else if (cp === RightSquareBracket) {
+        inClass = false;
+      } else if (cp === Solidus && !inClass || cp === Asterisk && this.index === start) {
+        break;
+      }
+
+      this.advance();
+    }
+
+    return this.index !== start;
+  }
+
+  pattern() {
+    const start = this.index;
+    this._numCapturingParens = this.countCapturingParens();
+
+    this._groupNames.clear();
+
+    this._backreferenceNames.clear();
+
+    this.onPatternEnter(start);
+    this.disjunction();
+    const cp = this.currentCodePoint;
+
+    if (this.currentCodePoint !== -1) {
+      if (cp === RightParenthesis) {
+        this.raise("Unmatched ')'");
+      }
+
+      if (cp === ReverseSolidus) {
+        this.raise("\\ at end of pattern");
+      }
+
+      if (cp === RightSquareBracket || cp === RightCurlyBracket) {
+        this.raise("Lone quantifier brackets");
+      }
+
+      const c = String.fromCodePoint(cp);
+      this.raise("Unexpected character '".concat(c, "'"));
+    }
+
+    for (const name of this._backreferenceNames) {
+      if (!this._groupNames.has(name)) {
+        this.raise("Invalid named capture referenced");
+      }
+    }
+
+    this.onPatternLeave(start, this.index);
+  }
+
+  countCapturingParens() {
+    const start = this.index;
+    let inClass = false;
+    let escaped = false;
+    let count = 0;
+    let cp = 0;
+
+    while ((cp = this.currentCodePoint) !== -1) {
+      if (escaped) {
+        escaped = false;
+      } else if (cp === ReverseSolidus) {
+        escaped = true;
+      } else if (cp === LeftSquareBracket) {
+        inClass = true;
+      } else if (cp === RightSquareBracket) {
+        inClass = false;
+      } else if (cp === LeftParenthesis && !inClass && (this.nextCodePoint !== QuestionMark || this.nextCodePoint2 === LessThanSign && this.nextCodePoint3 !== EqualsSign && this.nextCodePoint3 !== ExclamationMark)) {
+        count += 1;
+      }
+
+      this.advance();
+    }
+
+    this.rewind(start);
+    return count;
+  }
+
+  disjunction() {
+    const start = this.index;
+    let i = 0;
+    this.onDisjunctionEnter(start);
+    this.alternative(i++);
+
+    while (this.eat(VerticalLine)) {
+      this.alternative(i++);
+    }
+
+    if (this.eatQuantifier(true)) {
+      this.raise("Nothing to repeat");
+    }
+
+    if (this.eat(LeftCurlyBracket)) {
+      this.raise("Lone quantifier brackets");
+    }
+
+    this.onDisjunctionLeave(start, this.index);
+  }
+
+  alternative(i) {
+    const start = this.index;
+    this.onAlternativeEnter(start, i);
+
+    while (this.currentCodePoint !== -1 && this.eatTerm()) {}
+
+    this.onAlternativeLeave(start, this.index, i);
+  }
+
+  eatTerm() {
+    if (this.eatAssertion()) {
+      if (this._lastAssertionIsQuantifiable) {
+        this.eatQuantifier();
+      }
+
+      return true;
+    }
+
+    if (this.strict ? this.eatAtom() : this.eatExtendedAtom()) {
+      this.eatQuantifier();
+      return true;
+    }
+
+    return false;
+  }
+
+  eatAssertion() {
+    const start = this.index;
+    this._lastAssertionIsQuantifiable = false;
+
+    if (this.eat(CircumflexAccent)) {
+      this.onEdgeAssertion(start, this.index, "start");
+      return true;
+    }
+
+    if (this.eat(DollarSign)) {
+      this.onEdgeAssertion(start, this.index, "end");
+      return true;
+    }
+
+    if (this.eat2(ReverseSolidus, LatinCapitalLetterB)) {
+      this.onWordBoundaryAssertion(start, this.index, "word", true);
+      return true;
+    }
+
+    if (this.eat2(ReverseSolidus, LatinSmallLetterB)) {
+      this.onWordBoundaryAssertion(start, this.index, "word", false);
+      return true;
+    }
+
+    if (this.eat2(LeftParenthesis, QuestionMark)) {
+      const lookbehind = this.ecmaVersion >= 2018 && this.eat(LessThanSign);
+      let negate = false;
+
+      if (this.eat(EqualsSign) || (negate = this.eat(ExclamationMark))) {
+        const kind = lookbehind ? "lookbehind" : "lookahead";
+        this.onLookaroundAssertionEnter(start, kind, negate);
+        this.disjunction();
+
+        if (!this.eat(RightParenthesis)) {
+          this.raise("Unterminated group");
+        }
+
+        this._lastAssertionIsQuantifiable = !lookbehind && !this.strict;
+        this.onLookaroundAssertionLeave(start, this.index, kind, negate);
+        return true;
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatQuantifier(noError = false) {
+    const start = this.index;
+    let min = 0;
+    let max = 0;
+    let greedy = false;
+
+    if (this.eat(Asterisk)) {
+      min = 0;
+      max = Number.POSITIVE_INFINITY;
+    } else if (this.eat(PlusSign)) {
+      min = 1;
+      max = Number.POSITIVE_INFINITY;
+    } else if (this.eat(QuestionMark)) {
+      min = 0;
+      max = 1;
+    } else if (this.eatBracedQuantifier(noError)) {
+      min = this._lastMinValue;
+      max = this._lastMaxValue;
+    } else {
+      return false;
+    }
+
+    greedy = !this.eat(QuestionMark);
+
+    if (!noError) {
+      this.onQuantifier(start, this.index, min, max, greedy);
+    }
+
+    return true;
+  }
+
+  eatBracedQuantifier(noError) {
+    const start = this.index;
+
+    if (this.eat(LeftCurlyBracket)) {
+      this._lastMinValue = 0;
+      this._lastMaxValue = Number.POSITIVE_INFINITY;
+
+      if (this.eatDecimalDigits()) {
+        this._lastMinValue = this._lastMaxValue = this._lastIntValue;
+
+        if (this.eat(Comma)) {
+          this._lastMaxValue = this.eatDecimalDigits() ? this._lastIntValue : Number.POSITIVE_INFINITY;
+        }
+
+        if (this.eat(RightCurlyBracket)) {
+          if (!noError && this._lastMaxValue < this._lastMinValue) {
+            this.raise("numbers out of order in {} quantifier");
+          }
+
+          return true;
+        }
+      }
+
+      if (!noError && this.strict) {
+        this.raise("Incomplete quantifier");
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatAtom() {
+    return this.eatPatternCharacter() || this.eatDot() || this.eatReverseSolidusAtomEscape() || this.eatCharacterClass() || this.eatUncapturingGroup() || this.eatCapturingGroup();
+  }
+
+  eatDot() {
+    if (this.eat(FullStop)) {
+      this.onAnyCharacterSet(this.index - 1, this.index, "any");
+      return true;
+    }
+
+    return false;
+  }
+
+  eatReverseSolidusAtomEscape() {
+    const start = this.index;
+
+    if (this.eat(ReverseSolidus)) {
+      if (this.eatAtomEscape()) {
+        return true;
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatUncapturingGroup() {
+    const start = this.index;
+
+    if (this.eat3(LeftParenthesis, QuestionMark, Colon)) {
+      this.onGroupEnter(start);
+      this.disjunction();
+
+      if (!this.eat(RightParenthesis)) {
+        this.raise("Unterminated group");
+      }
+
+      this.onGroupLeave(start, this.index);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatCapturingGroup() {
+    const start = this.index;
+
+    if (this.eat(LeftParenthesis)) {
+      this._lastStrValue = "";
+
+      if (this.ecmaVersion >= 2018) {
+        this.groupSpecifier();
+      } else if (this.currentCodePoint === QuestionMark) {
+        this.raise("Invalid group");
+      }
+
+      const name = this._lastStrValue || null;
+      this.onCapturingGroupEnter(start, name);
+      this.disjunction();
+
+      if (!this.eat(RightParenthesis)) {
+        this.raise("Unterminated group");
+      }
+
+      this.onCapturingGroupLeave(start, this.index, name);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatExtendedAtom() {
+    return this.eatDot() || this.eatReverseSolidusAtomEscape() || this.eatReverseSolidusFollowedByC() || this.eatCharacterClass() || this.eatUncapturingGroup() || this.eatCapturingGroup() || this.eatInvalidBracedQuantifier() || this.eatExtendedPatternCharacter();
+  }
+
+  eatReverseSolidusFollowedByC() {
+    if (this.currentCodePoint === ReverseSolidus && this.nextCodePoint === LatinSmallLetterC) {
+      this._lastIntValue = this.currentCodePoint;
+      this.advance();
+      this.onCharacter(this.index - 1, this.index, ReverseSolidus);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatInvalidBracedQuantifier() {
+    if (this.eatBracedQuantifier(true)) {
+      this.raise("Nothing to repeat");
+    }
+
+    return false;
+  }
+
+  eatSyntaxCharacter() {
+    if (isSyntaxCharacter(this.currentCodePoint)) {
+      this._lastIntValue = this.currentCodePoint;
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+  eatPatternCharacter() {
+    const start = this.index;
+    const cp = this.currentCodePoint;
+
+    if (cp !== -1 && !isSyntaxCharacter(cp)) {
+      this.advance();
+      this.onCharacter(start, this.index, cp);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatExtendedPatternCharacter() {
+    const start = this.index;
+    const cp = this.currentCodePoint;
+
+    if (cp !== -1 && cp !== CircumflexAccent && cp !== DollarSign && cp !== ReverseSolidus && cp !== FullStop && cp !== Asterisk && cp !== PlusSign && cp !== QuestionMark && cp !== LeftParenthesis && cp !== RightParenthesis && cp !== LeftSquareBracket && cp !== VerticalLine) {
+      this.advance();
+      this.onCharacter(start, this.index, cp);
+      return true;
+    }
+
+    return false;
+  }
+
+  groupSpecifier() {
+    this._lastStrValue = "";
+
+    if (this.eat(QuestionMark)) {
+      if (this.eatGroupName()) {
+        if (!this._groupNames.has(this._lastStrValue)) {
+          this._groupNames.add(this._lastStrValue);
+
+          return;
+        }
+
+        this.raise("Duplicate capture group name");
+      }
+
+      this.raise("Invalid group");
+    }
+  }
+
+  eatGroupName() {
+    this._lastStrValue = "";
+
+    if (this.eat(LessThanSign)) {
+      if (this.eatRegExpIdentifierName() && this.eat(GreaterThanSign)) {
+        return true;
+      }
+
+      this.raise("Invalid capture group name");
+    }
+
+    return false;
+  }
+
+  eatRegExpIdentifierName() {
+    this._lastStrValue = "";
+
+    if (this.eatRegExpIdentifierStart()) {
+      this._lastStrValue += String.fromCodePoint(this._lastIntValue);
+
+      while (this.eatRegExpIdentifierPart()) {
+        this._lastStrValue += String.fromCodePoint(this._lastIntValue);
+      }
+
+      return true;
+    }
+
+    return false;
+  }
+
+  eatRegExpIdentifierStart() {
+    const start = this.index;
+    let cp = this.currentCodePoint;
+    this.advance();
+
+    if (cp === ReverseSolidus && this.eatRegExpUnicodeEscapeSequence()) {
+      cp = this._lastIntValue;
+    }
+
+    if (isRegExpIdentifierStart(cp)) {
+      this._lastIntValue = cp;
+      return true;
+    }
+
+    if (this.index !== start) {
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatRegExpIdentifierPart() {
+    const start = this.index;
+    let cp = this.currentCodePoint;
+    this.advance();
+
+    if (cp === ReverseSolidus && this.eatRegExpUnicodeEscapeSequence()) {
+      cp = this._lastIntValue;
+    }
+
+    if (isRegExpIdentifierPart(cp)) {
+      this._lastIntValue = cp;
+      return true;
+    }
+
+    if (this.index !== start) {
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatAtomEscape() {
+    if (this.eatBackreference() || this.eatCharacterClassEscape() || this.eatCharacterEscape() || this._nFlag && this.eatKGroupName()) {
+      return true;
+    }
+
+    if (this.strict || this._uFlag) {
+      this.raise("Invalid escape");
+    }
+
+    return false;
+  }
+
+  eatBackreference() {
+    const start = this.index;
+
+    if (this.eatDecimalEscape()) {
+      const n = this._lastIntValue;
+
+      if (n <= this._numCapturingParens) {
+        this.onBackreference(start - 1, this.index, n);
+        return true;
+      }
+
+      if (this.strict) {
+        this.raise("Invalid escape");
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatKGroupName() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterK)) {
+      if (this.eatGroupName()) {
+        const groupName = this._lastStrValue;
+
+        this._backreferenceNames.add(groupName);
+
+        this.onBackreference(start - 1, this.index, groupName);
+        return true;
+      }
+
+      this.raise("Invalid named reference");
+    }
+
+    return false;
+  }
+
+  eatCharacterEscape() {
+    const start = this.index;
+
+    if (this.eatControlEscape() || this.eatCControlLetter() || this.eatZero() || this.eatHexEscapeSequence() || this.eatRegExpUnicodeEscapeSequence() || !this.strict && this.eatLegacyOctalEscapeSequence() || this.eatIdentityEscape()) {
+      this.onCharacter(start - 1, this.index, this._lastIntValue);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatCControlLetter() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterC)) {
+      if (this.eatControlLetter()) {
+        return true;
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatZero() {
+    if (this.currentCodePoint === DigitZero && !isDecimalDigit(this.nextCodePoint)) {
+      this._lastIntValue = 0;
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+  eatControlEscape() {
+    if (this.eat(LatinSmallLetterT)) {
+      this._lastIntValue = CharacterTabulation;
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterN)) {
+      this._lastIntValue = LineFeed;
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterV)) {
+      this._lastIntValue = LineTabulation;
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterF)) {
+      this._lastIntValue = FormFeed;
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterR)) {
+      this._lastIntValue = CarriageReturn;
+      return true;
+    }
+
+    return false;
+  }
+
+  eatControlLetter() {
+    const cp = this.currentCodePoint;
+
+    if (isLatinLetter(cp)) {
+      this.advance();
+      this._lastIntValue = cp % 0x20;
+      return true;
+    }
+
+    return false;
+  }
+
+  eatRegExpUnicodeEscapeSequence() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterU)) {
+      if (this.eatFixedHexDigits(4)) {
+        const lead = this._lastIntValue;
+
+        if (this._uFlag && lead >= 0xd800 && lead <= 0xdbff) {
+          const leadSurrogateEnd = this.index;
+
+          if (this.eat(ReverseSolidus) && this.eat(LatinSmallLetterU) && this.eatFixedHexDigits(4)) {
+            const trail = this._lastIntValue;
+
+            if (trail >= 0xdc00 && trail <= 0xdfff) {
+              this._lastIntValue = (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000;
+              return true;
+            }
+          }
+
+          this.rewind(leadSurrogateEnd);
+          this._lastIntValue = lead;
+        }
+
+        return true;
+      }
+
+      if (this._uFlag && this.eat(LeftCurlyBracket) && this.eatHexDigits() && this.eat(RightCurlyBracket) && isValidUnicode(this._lastIntValue)) {
+        return true;
+      }
+
+      if (this.strict || this._uFlag) {
+        this.raise("Invalid unicode escape");
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatIdentityEscape() {
+    if (this._uFlag) {
+      if (this.eatSyntaxCharacter()) {
+        return true;
+      }
+
+      if (this.eat(Solidus)) {
+        this._lastIntValue = Solidus;
+        return true;
+      }
+
+      return false;
+    }
+
+    if (this.isValidIdentityEscape(this.currentCodePoint)) {
+      this._lastIntValue = this.currentCodePoint;
+      this.advance();
+      return true;
+    }
+
+    return false;
+  }
+
+  isValidIdentityEscape(cp) {
+    if (cp === -1) {
+      return false;
+    }
+
+    if (this.strict) {
+      return !isIdContinue(cp);
+    }
+
+    return cp !== LatinSmallLetterC && (!this._nFlag || cp !== LatinSmallLetterK);
+  }
+
+  eatDecimalEscape() {
+    this._lastIntValue = 0;
+    let cp = this.currentCodePoint;
+
+    if (cp >= DigitOne && cp <= DigitNine) {
+      do {
+        this._lastIntValue = 10 * this._lastIntValue + (cp - DigitZero);
+        this.advance();
+      } while ((cp = this.currentCodePoint) >= DigitZero && cp <= DigitNine);
+
+      return true;
+    }
+
+    return false;
+  }
+
+  eatCharacterClassEscape() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterD)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "digit", false);
+      return true;
+    }
+
+    if (this.eat(LatinCapitalLetterD)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "digit", true);
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterS)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "space", false);
+      return true;
+    }
+
+    if (this.eat(LatinCapitalLetterS)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "space", true);
+      return true;
+    }
+
+    if (this.eat(LatinSmallLetterW)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "word", false);
+      return true;
+    }
+
+    if (this.eat(LatinCapitalLetterW)) {
+      this._lastIntValue = -1;
+      this.onEscapeCharacterSet(start - 1, this.index, "word", true);
+      return true;
+    }
+
+    let negate = false;
+
+    if (this._uFlag && this.ecmaVersion >= 2018 && (this.eat(LatinSmallLetterP) || (negate = this.eat(LatinCapitalLetterP)))) {
+      this._lastIntValue = -1;
+
+      if (this.eat(LeftCurlyBracket) && this.eatUnicodePropertyValueExpression() && this.eat(RightCurlyBracket)) {
+        this.onUnicodePropertyCharacterSet(start - 1, this.index, "property", this._lastKeyValue, this._lastValValue || null, negate);
+        return true;
+      }
+
+      this.raise("Invalid property name");
+    }
+
+    return false;
+  }
+
+  eatUnicodePropertyValueExpression() {
+    const start = this.index;
+
+    if (this.eatUnicodePropertyName() && this.eat(EqualsSign)) {
+      this._lastKeyValue = this._lastStrValue;
+
+      if (this.eatUnicodePropertyValue()) {
+        this._lastValValue = this._lastStrValue;
+
+        if (isValidUnicodeProperty(this.ecmaVersion, this._lastKeyValue, this._lastValValue)) {
+          return true;
+        }
+
+        this.raise("Invalid property name");
+      }
+    }
+
+    this.rewind(start);
+
+    if (this.eatLoneUnicodePropertyNameOrValue()) {
+      const nameOrValue = this._lastStrValue;
+
+      if (isValidUnicodeProperty(this.ecmaVersion, "General_Category", nameOrValue)) {
+        this._lastKeyValue = "General_Category";
+        this._lastValValue = nameOrValue;
+        return true;
+      }
+
+      if (isValidLoneUnicodeProperty(this.ecmaVersion, nameOrValue)) {
+        this._lastKeyValue = nameOrValue;
+        this._lastValValue = "";
+        return true;
+      }
+
+      this.raise("Invalid property name");
+    }
+
+    return false;
+  }
+
+  eatUnicodePropertyName() {
+    this._lastStrValue = "";
+
+    while (isUnicodePropertyNameCharacter(this.currentCodePoint)) {
+      this._lastStrValue += String.fromCodePoint(this.currentCodePoint);
+      this.advance();
+    }
+
+    return this._lastStrValue !== "";
+  }
+
+  eatUnicodePropertyValue() {
+    this._lastStrValue = "";
+
+    while (isUnicodePropertyValueCharacter(this.currentCodePoint)) {
+      this._lastStrValue += String.fromCodePoint(this.currentCodePoint);
+      this.advance();
+    }
+
+    return this._lastStrValue !== "";
+  }
+
+  eatLoneUnicodePropertyNameOrValue() {
+    return this.eatUnicodePropertyValue();
+  }
+
+  eatCharacterClass() {
+    const start = this.index;
+
+    if (this.eat(LeftSquareBracket)) {
+      const negate = this.eat(CircumflexAccent);
+      this.onCharacterClassEnter(start, negate);
+      this.classRanges();
+
+      if (!this.eat(RightSquareBracket)) {
+        this.raise("Unterminated character class");
+      }
+
+      this.onCharacterClassLeave(start, this.index, negate);
+      return true;
+    }
+
+    return false;
+  }
+
+  classRanges() {
+    let start = this.index;
+
+    while (this.eatClassAtom()) {
+      const left = this._lastIntValue;
+      const hyphenStart = this.index;
+
+      if (this.eat(HyphenMinus)) {
+        this.onCharacter(hyphenStart, this.index, HyphenMinus);
+
+        if (this.eatClassAtom()) {
+          const right = this._lastIntValue;
+
+          if (left === -1 || right === -1) {
+            if (this.strict) {
+              this.raise("Invalid character class");
+            }
+          } else if (left > right) {
+            this.raise("Range out of order in character class");
+          } else {
+            this.onCharacterClassRange(start, this.index, left, right);
+          }
+        }
+      }
+
+      start = this.index;
+    }
+  }
+
+  eatClassAtom() {
+    const start = this.index;
+
+    if (this.eat(ReverseSolidus)) {
+      if (this.eatClassEscape()) {
+        return true;
+      }
+
+      if (this._uFlag) {
+        this.raise("Invalid escape");
+      }
+
+      this.rewind(start);
+    }
+
+    const cp = this.currentCodePoint;
+
+    if (cp !== -1 && cp !== RightSquareBracket) {
+      this.advance();
+      this._lastIntValue = cp;
+      this.onCharacter(start, this.index, cp);
+      return true;
+    }
+
+    return false;
+  }
+
+  eatClassEscape() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterB)) {
+      this._lastIntValue = Backspace;
+      this.onCharacter(start - 1, this.index, Backspace);
+      return true;
+    }
+
+    if (this._uFlag && this.eat(HyphenMinus)) {
+      this._lastIntValue = HyphenMinus;
+      this.onCharacter(start - 1, this.index, HyphenMinus);
+      return true;
+    }
+
+    if (!this._uFlag && this.eat(LatinSmallLetterC)) {
+      if (this.eatClassControlLetter()) {
+        this.onCharacter(start - 1, this.index, this._lastIntValue);
+        return true;
+      }
+
+      this.rewind(start);
+    }
+
+    return this.eatCharacterClassEscape() || this.eatCharacterEscape();
+  }
+
+  eatClassControlLetter() {
+    const cp = this.currentCodePoint;
+
+    if (isDecimalDigit(cp) || cp === LowLine) {
+      this.advance();
+      this._lastIntValue = cp % 0x20;
+      return true;
+    }
+
+    return false;
+  }
+
+  eatHexEscapeSequence() {
+    const start = this.index;
+
+    if (this.eat(LatinSmallLetterX)) {
+      if (this.eatFixedHexDigits(2)) {
+        return true;
+      }
+
+      if (this._uFlag) {
+        this.raise("Invalid escape");
+      }
+
+      this.rewind(start);
+    }
+
+    return false;
+  }
+
+  eatDecimalDigits() {
+    const start = this.index;
+    this._lastIntValue = 0;
+
+    while (isDecimalDigit(this.currentCodePoint)) {
+      this._lastIntValue = 10 * this._lastIntValue + digitToInt(this.currentCodePoint);
+      this.advance();
+    }
+
+    return this.index !== start;
+  }
+
+  eatHexDigits() {
+    const start = this.index;
+    this._lastIntValue = 0;
+
+    while (isHexDigit(this.currentCodePoint)) {
+      this._lastIntValue = 16 * this._lastIntValue + digitToInt(this.currentCodePoint);
+      this.advance();
+    }
+
+    return this.index !== start;
+  }
+
+  eatLegacyOctalEscapeSequence() {
+    if (this.eatOctalDigit()) {
+      const n1 = this._lastIntValue;
+
+      if (this.eatOctalDigit()) {
+        const n2 = this._lastIntValue;
+
+        if (n1 <= 3 && this.eatOctalDigit()) {
+          this._lastIntValue = n1 * 64 + n2 * 8 + this._lastIntValue;
+        } else {
+          this._lastIntValue = n1 * 8 + n2;
+        }
+      } else {
+        this._lastIntValue = n1;
+      }
+
+      return true;
+    }
+
+    return false;
+  }
+
+  eatOctalDigit() {
+    const cp = this.currentCodePoint;
+
+    if (isOctalDigit(cp)) {
+      this.advance();
+      this._lastIntValue = cp - DigitZero;
+      return true;
+    }
+
+    this._lastIntValue = 0;
+    return false;
+  }
+
+  eatFixedHexDigits(length) {
+    const start = this.index;
+    this._lastIntValue = 0;
+
+    for (let i = 0; i < length; ++i) {
+      const cp = this.currentCodePoint;
+
+      if (!isHexDigit(cp)) {
+        this.rewind(start);
+        return false;
+      }
+
+      this._lastIntValue = 16 * this._lastIntValue + digitToInt(cp);
+      this.advance();
+    }
+
+    return true;
+  }
+
+}
+
+const DummyPattern = {};
+const DummyFlags = {};
+const DummyCapturingGroup = {};
+
+class RegExpParserState {
+  constructor(options) {
+    this._node = DummyPattern;
+    this._flags = DummyFlags;
+    this._backreferences = [];
+    this._capturingGroups = [];
+    this.source = "";
+    this.strict = Boolean(options && options.strict);
+    this.ecmaVersion = options && options.ecmaVersion || 2020;
+  }
+
+  get pattern() {
+    if (this._node.type !== "Pattern") {
+      throw new Error("UnknownError");
+    }
+
+    return this._node;
+  }
+
+  get flags() {
+    if (this._flags.type !== "Flags") {
+      throw new Error("UnknownError");
+    }
+
+    return this._flags;
+  }
+
+  onFlags(start, end, global, ignoreCase, multiline, unicode, sticky, dotAll) {
+    this._flags = {
+      type: "Flags",
+      parent: null,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      global,
+      ignoreCase,
+      multiline,
+      unicode,
+      sticky,
+      dotAll
+    };
+  }
+
+  onPatternEnter(start) {
+    this._node = {
+      type: "Pattern",
+      parent: null,
+      start,
+      end: start,
+      raw: "",
+      alternatives: []
+    };
+    this._backreferences.length = 0;
+    this._capturingGroups.length = 0;
+  }
+
+  onPatternLeave(start, end) {
+    this._node.end = end;
+    this._node.raw = this.source.slice(start, end);
+
+    for (const reference of this._backreferences) {
+      const ref = reference.ref;
+      const group = typeof ref === "number" ? this._capturingGroups[ref - 1] : this._capturingGroups.find(g => g.name === ref);
+      reference.resolved = group;
+      group.references.push(reference);
+    }
+  }
+
+  onAlternativeEnter(start) {
+    const parent = this._node;
+
+    if (parent.type !== "Assertion" && parent.type !== "CapturingGroup" && parent.type !== "Group" && parent.type !== "Pattern") {
+      throw new Error("UnknownError");
+    }
+
+    this._node = {
+      type: "Alternative",
+      parent,
+      start,
+      end: start,
+      raw: "",
+      elements: []
+    };
+    parent.alternatives.push(this._node);
+  }
+
+  onAlternativeLeave(start, end) {
+    const node = this._node;
+
+    if (node.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    node.end = end;
+    node.raw = this.source.slice(start, end);
+    this._node = node.parent;
+  }
+
+  onGroupEnter(start) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    this._node = {
+      type: "Group",
+      parent,
+      start,
+      end: start,
+      raw: "",
+      alternatives: []
+    };
+    parent.elements.push(this._node);
+  }
+
+  onGroupLeave(start, end) {
+    const node = this._node;
+
+    if (node.type !== "Group" || node.parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    node.end = end;
+    node.raw = this.source.slice(start, end);
+    this._node = node.parent;
+  }
+
+  onCapturingGroupEnter(start, name) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    this._node = {
+      type: "CapturingGroup",
+      parent,
+      start,
+      end: start,
+      raw: "",
+      name,
+      alternatives: [],
+      references: []
+    };
+    parent.elements.push(this._node);
+
+    this._capturingGroups.push(this._node);
+  }
+
+  onCapturingGroupLeave(start, end) {
+    const node = this._node;
+
+    if (node.type !== "CapturingGroup" || node.parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    node.end = end;
+    node.raw = this.source.slice(start, end);
+    this._node = node.parent;
+  }
+
+  onQuantifier(start, end, min, max, greedy) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    const element = parent.elements.pop();
+
+    if (element == null || element.type === "Quantifier" || element.type === "Assertion" && element.kind !== "lookahead") {
+      throw new Error("UnknownError");
+    }
+
+    const node = {
+      type: "Quantifier",
+      parent,
+      start: element.start,
+      end,
+      raw: this.source.slice(element.start, end),
+      min,
+      max,
+      greedy,
+      element
+    };
+    parent.elements.push(node);
+    element.parent = node;
+  }
+
+  onLookaroundAssertionEnter(start, kind, negate) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    const node = this._node = {
+      type: "Assertion",
+      parent,
+      start,
+      end: start,
+      raw: "",
+      kind,
+      negate,
+      alternatives: []
+    };
+    parent.elements.push(node);
+  }
+
+  onLookaroundAssertionLeave(start, end) {
+    const node = this._node;
+
+    if (node.type !== "Assertion" || node.parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    node.end = end;
+    node.raw = this.source.slice(start, end);
+    this._node = node.parent;
+  }
+
+  onEdgeAssertion(start, end, kind) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "Assertion",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      kind
+    });
+  }
+
+  onWordBoundaryAssertion(start, end, kind, negate) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "Assertion",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      kind,
+      negate
+    });
+  }
+
+  onAnyCharacterSet(start, end, kind) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "CharacterSet",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      kind
+    });
+  }
+
+  onEscapeCharacterSet(start, end, kind, negate) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative" && parent.type !== "CharacterClass") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "CharacterSet",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      kind,
+      negate
+    });
+  }
+
+  onUnicodePropertyCharacterSet(start, end, kind, key, value, negate) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative" && parent.type !== "CharacterClass") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "CharacterSet",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      kind,
+      key,
+      value,
+      negate
+    });
+  }
+
+  onCharacter(start, end, value) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative" && parent.type !== "CharacterClass") {
+      throw new Error("UnknownError");
+    }
+
+    parent.elements.push({
+      type: "Character",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      value
+    });
+  }
+
+  onBackreference(start, end, ref) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    const node = {
+      type: "Backreference",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      ref,
+      resolved: DummyCapturingGroup
+    };
+    parent.elements.push(node);
+
+    this._backreferences.push(node);
+  }
+
+  onCharacterClassEnter(start, negate) {
+    const parent = this._node;
+
+    if (parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    this._node = {
+      type: "CharacterClass",
+      parent,
+      start,
+      end: start,
+      raw: "",
+      negate,
+      elements: []
+    };
+    parent.elements.push(this._node);
+  }
+
+  onCharacterClassLeave(start, end) {
+    const node = this._node;
+
+    if (node.type !== "CharacterClass" || node.parent.type !== "Alternative") {
+      throw new Error("UnknownError");
+    }
+
+    node.end = end;
+    node.raw = this.source.slice(start, end);
+    this._node = node.parent;
+  }
+
+  onCharacterClassRange(start, end) {
+    const parent = this._node;
+
+    if (parent.type !== "CharacterClass") {
+      throw new Error("UnknownError");
+    }
+
+    const elements = parent.elements;
+    const max = elements.pop();
+    const hyphen = elements.pop();
+    const min = elements.pop();
+
+    if (!min || !max || !hyphen || min.type !== "Character" || max.type !== "Character" || hyphen.type !== "Character" || hyphen.value !== HyphenMinus) {
+      throw new Error("UnknownError");
+    }
+
+    const node = {
+      type: "CharacterClassRange",
+      parent,
+      start,
+      end,
+      raw: this.source.slice(start, end),
+      min,
+      max
+    };
+    min.parent = node;
+    max.parent = node;
+    elements.push(node);
+  }
+
+}
+
+class RegExpParser {
+  constructor(options) {
+    this._state = new RegExpParserState(options);
+    this._validator = new RegExpValidator(this._state);
+  }
+
+  parseLiteral(source, start = 0, end = source.length) {
+    this._state.source = source;
+
+    this._validator.validateLiteral(source, start, end);
+
+    const pattern = this._state.pattern;
+    const flags = this._state.flags;
+    const literal = {
+      type: "RegExpLiteral",
+      parent: null,
+      start,
+      end,
+      raw: source,
+      pattern,
+      flags
+    };
+    pattern.parent = literal;
+    flags.parent = literal;
+    return literal;
+  }
+
+  parseFlags(source, start = 0, end = source.length) {
+    this._state.source = source;
+
+    this._validator.validateFlags(source, start, end);
+
+    return this._state.flags;
+  }
+
+  parsePattern(source, start = 0, end = source.length, uFlag = false) {
+    this._state.source = source;
+
+    this._validator.validatePattern(source, start, end, uFlag);
+
+    return this._state.pattern;
+  }
+
+}
+
+class RegExpVisitor {
+  constructor(handlers) {
+    this._handlers = handlers;
+  }
+
+  visit(node) {
+    switch (node.type) {
+      case "Alternative":
+        this.visitAlternative(node);
+        break;
+
+      case "Assertion":
+        this.visitAssertion(node);
+        break;
+
+      case "Backreference":
+        this.visitBackreference(node);
+        break;
+
+      case "CapturingGroup":
+        this.visitCapturingGroup(node);
+        break;
+
+      case "Character":
+        this.visitCharacter(node);
+        break;
+
+      case "CharacterClass":
+        this.visitCharacterClass(node);
+        break;
+
+      case "CharacterClassRange":
+        this.visitCharacterClassRange(node);
+        break;
+
+      case "CharacterSet":
+        this.visitCharacterSet(node);
+        break;
+
+      case "Flags":
+        this.visitFlags(node);
+        break;
+
+      case "Group":
+        this.visitGroup(node);
+        break;
+
+      case "Pattern":
+        this.visitPattern(node);
+        break;
+
+      case "Quantifier":
+        this.visitQuantifier(node);
+        break;
+
+      case "RegExpLiteral":
+        this.visitRegExpLiteral(node);
+        break;
+
+      default:
+        throw new Error("Unknown type: ".concat(node.type));
+    }
+  }
+
+  visitAlternative(node) {
+    if (this._handlers.onAlternativeEnter) {
+      this._handlers.onAlternativeEnter(node);
+    }
+
+    node.elements.forEach(this.visit, this);
+
+    if (this._handlers.onAlternativeLeave) {
+      this._handlers.onAlternativeLeave(node);
+    }
+  }
+
+  visitAssertion(node) {
+    if (this._handlers.onAssertionEnter) {
+      this._handlers.onAssertionEnter(node);
+    }
+
+    if (node.kind === "lookahead" || node.kind === "lookbehind") {
+      node.alternatives.forEach(this.visit, this);
+    }
+
+    if (this._handlers.onAssertionLeave) {
+      this._handlers.onAssertionLeave(node);
+    }
+  }
+
+  visitBackreference(node) {
+    if (this._handlers.onBackreferenceEnter) {
+      this._handlers.onBackreferenceEnter(node);
+    }
+
+    if (this._handlers.onBackreferenceLeave) {
+      this._handlers.onBackreferenceLeave(node);
+    }
+  }
+
+  visitCapturingGroup(node) {
+    if (this._handlers.onCapturingGroupEnter) {
+      this._handlers.onCapturingGroupEnter(node);
+    }
+
+    node.alternatives.forEach(this.visit, this);
+
+    if (this._handlers.onCapturingGroupLeave) {
+      this._handlers.onCapturingGroupLeave(node);
+    }
+  }
+
+  visitCharacter(node) {
+    if (this._handlers.onCharacterEnter) {
+      this._handlers.onCharacterEnter(node);
+    }
+
+    if (this._handlers.onCharacterLeave) {
+      this._handlers.onCharacterLeave(node);
+    }
+  }
+
+  visitCharacterClass(node) {
+    if (this._handlers.onCharacterClassEnter) {
+      this._handlers.onCharacterClassEnter(node);
+    }
+
+    node.elements.forEach(this.visit, this);
+
+    if (this._handlers.onCharacterClassLeave) {
+      this._handlers.onCharacterClassLeave(node);
+    }
+  }
+
+  visitCharacterClassRange(node) {
+    if (this._handlers.onCharacterClassRangeEnter) {
+      this._handlers.onCharacterClassRangeEnter(node);
+    }
+
+    this.visitCharacter(node.min);
+    this.visitCharacter(node.max);
+
+    if (this._handlers.onCharacterClassRangeLeave) {
+      this._handlers.onCharacterClassRangeLeave(node);
+    }
+  }
+
+  visitCharacterSet(node) {
+    if (this._handlers.onCharacterSetEnter) {
+      this._handlers.onCharacterSetEnter(node);
+    }
+
+    if (this._handlers.onCharacterSetLeave) {
+      this._handlers.onCharacterSetLeave(node);
+    }
+  }
+
+  visitFlags(node) {
+    if (this._handlers.onFlagsEnter) {
+      this._handlers.onFlagsEnter(node);
+    }
+
+    if (this._handlers.onFlagsLeave) {
+      this._handlers.onFlagsLeave(node);
+    }
+  }
+
+  visitGroup(node) {
+    if (this._handlers.onGroupEnter) {
+      this._handlers.onGroupEnter(node);
+    }
+
+    node.alternatives.forEach(this.visit, this);
+
+    if (this._handlers.onGroupLeave) {
+      this._handlers.onGroupLeave(node);
+    }
+  }
+
+  visitPattern(node) {
+    if (this._handlers.onPatternEnter) {
+      this._handlers.onPatternEnter(node);
+    }
+
+    node.alternatives.forEach(this.visit, this);
+
+    if (this._handlers.onPatternLeave) {
+      this._handlers.onPatternLeave(node);
+    }
+  }
+
+  visitQuantifier(node) {
+    if (this._handlers.onQuantifierEnter) {
+      this._handlers.onQuantifierEnter(node);
+    }
+
+    this.visit(node.element);
+
+    if (this._handlers.onQuantifierLeave) {
+      this._handlers.onQuantifierLeave(node);
+    }
+  }
+
+  visitRegExpLiteral(node) {
+    if (this._handlers.onRegExpLiteralEnter) {
+      this._handlers.onRegExpLiteralEnter(node);
+    }
+
+    this.visitPattern(node.pattern);
+    this.visitFlags(node.flags);
+
+    if (this._handlers.onRegExpLiteralLeave) {
+      this._handlers.onRegExpLiteralLeave(node);
+    }
+  }
+
+}
+
+function parseRegExpLiteral(source, options) {
+  return new RegExpParser(options).parseLiteral(String(source));
+}
+
+function validateRegExpLiteral(source, options) {
+  return new RegExpValidator(options).validateLiteral(source);
+}
+
+function visitRegExpAST(node, handlers) {
+  new RegExpVisitor(handlers).visit(node);
+}
+
+
+
+/***/ }),
+/* 528 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of a debugger statement
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow the use of `debugger`",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-debugger"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      unexpected: "Unexpected 'debugger' statement."
+    }
+  },
+
+  create(context) {
+    return {
+      DebuggerStatement(node) {
+        context.report({
+          node,
+          messageId: "unexpected"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 529 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when deleting variables
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow deleting variables",
+      category: "Variables",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-delete-var"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Variables should not be deleted."
+    }
+  },
+
+  create(context) {
+    return {
+      UnaryExpression(node) {
+        if (node.operator === "delete" && node.argument.type === "Identifier") {
+          context.report({
+            node,
+            messageId: "unexpected"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 530 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for ambiguous div operator in regexes
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow division operators explicitly at the beginning of regular expressions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-div-regex"
+    },
+    fixable: "code",
+    schema: [],
+    messages: {
+      unexpected: "A regular expression literal can be confused with '/='."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      Literal(node) {
+        const token = sourceCode.getFirstToken(node);
+
+        if (token.type === "RegularExpression" && token.value[1] === "=") {
+          context.report({
+            node,
+            messageId: "unexpected",
+
+            fix(fixer) {
+              return fixer.replaceTextRange([token.range[0] + 1, token.range[0] + 2], "[=]");
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 531 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag duplicate arguments
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate arguments in `function` definitions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-dupe-args"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Duplicate param '{{name}}'."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks whether or not a given definition is a parameter's.
+     * @param {eslint-scope.DefEntry} def A definition to check.
+     * @returns {boolean} `true` if the definition is a parameter's.
+     */
+    function isParameter(def) {
+      return def.type === "Parameter";
+    }
+    /**
+     * Determines if a given node has duplicate parameters.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkParams(node) {
+      const variables = context.getDeclaredVariables(node);
+
+      for (let i = 0; i < variables.length; ++i) {
+        const variable = variables[i]; // Checks and reports duplications.
+
+        const defs = variable.defs.filter(isParameter);
+
+        if (defs.length >= 2) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              name: variable.name
+            }
+          });
+        }
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      FunctionDeclaration: checkParams,
+      FunctionExpression: checkParams
+    };
+  }
+
+};
+
+/***/ }),
+/* 532 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow duplicate name in class members.
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate class members",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-dupe-class-members"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Duplicate name '{{name}}'."
+    }
+  },
+
+  create(context) {
+    let stack = [];
+    /**
+     * Gets state of a given member name.
+     * @param {string} name A name of a member.
+     * @param {boolean} isStatic A flag which specifies that is a static member.
+     * @returns {Object} A state of a given member name.
+     *   - retv.init {boolean} A flag which shows the name is declared as normal member.
+     *   - retv.get {boolean} A flag which shows the name is declared as getter.
+     *   - retv.set {boolean} A flag which shows the name is declared as setter.
+     */
+
+    function getState(name, isStatic) {
+      const stateMap = stack[stack.length - 1];
+      const key = "$".concat(name); // to avoid "__proto__".
+
+      if (!stateMap[key]) {
+        stateMap[key] = {
+          nonStatic: {
+            init: false,
+            get: false,
+            set: false
+          },
+          static: {
+            init: false,
+            get: false,
+            set: false
+          }
+        };
+      }
+
+      return stateMap[key][isStatic ? "static" : "nonStatic"];
+    }
+
+    return {
+      // Initializes the stack of state of member declarations.
+      Program() {
+        stack = [];
+      },
+
+      // Initializes state of member declarations for the class.
+      ClassBody() {
+        stack.push(Object.create(null));
+      },
+
+      // Disposes the state for the class.
+      "ClassBody:exit"() {
+        stack.pop();
+      },
+
+      // Reports the node if its name has been declared already.
+      MethodDefinition(node) {
+        const name = astUtils.getStaticPropertyName(node);
+
+        if (name === null || node.kind === "constructor") {
+          return;
+        }
+
+        const state = getState(name, node.static);
+        let isDuplicate = false;
+
+        if (node.kind === "get") {
+          isDuplicate = state.init || state.get;
+          state.get = true;
+        } else if (node.kind === "set") {
+          isDuplicate = state.init || state.set;
+          state.set = true;
+        } else {
+          isDuplicate = state.init || state.get || state.set;
+          state.init = true;
+        }
+
+        if (isDuplicate) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              name
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 533 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow duplicate conditions in if-else-if chains
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the first given array is a subset of the second given array.
+ * @param {Function} comparator A function to compare two elements, should return `true` if they are equal.
+ * @param {Array} arrA The array to compare from.
+ * @param {Array} arrB The array to compare against.
+ * @returns {boolean} `true` if the array `arrA` is a subset of the array `arrB`.
+ */
+
+
+function isSubsetByComparator(comparator, arrA, arrB) {
+  return arrA.every(a => arrB.some(b => comparator(a, b)));
+}
+/**
+ * Splits the given node by the given logical operator.
+ * @param {string} operator Logical operator `||` or `&&`.
+ * @param {ASTNode} node The node to split.
+ * @returns {ASTNode[]} Array of conditions that makes the node when joined by the operator.
+ */
+
+
+function splitByLogicalOperator(operator, node) {
+  if (node.type === "LogicalExpression" && node.operator === operator) {
+    return [...splitByLogicalOperator(operator, node.left), ...splitByLogicalOperator(operator, node.right)];
+  }
+
+  return [node];
+}
+
+const splitByOr = splitByLogicalOperator.bind(null, "||");
+const splitByAnd = splitByLogicalOperator.bind(null, "&&"); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate conditions in if-else-if chains",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-dupe-else-if"
+    },
+    schema: [],
+    messages: {
+      unexpected: "This branch can never execute. Its condition is a duplicate or covered by previous conditions in the if-else-if chain."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Determines whether the two given nodes are considered to be equal. In particular, given that the nodes
+     * represent expressions in a boolean context, `||` and `&&` can be considered as commutative operators.
+     * @param {ASTNode} a First node.
+     * @param {ASTNode} b Second node.
+     * @returns {boolean} `true` if the nodes are considered to be equal.
+     */
+
+    function equal(a, b) {
+      if (a.type !== b.type) {
+        return false;
+      }
+
+      if (a.type === "LogicalExpression" && (a.operator === "||" || a.operator === "&&") && a.operator === b.operator) {
+        return equal(a.left, b.left) && equal(a.right, b.right) || equal(a.left, b.right) && equal(a.right, b.left);
+      }
+
+      return astUtils.equalTokens(a, b, sourceCode);
+    }
+
+    const isSubset = isSubsetByComparator.bind(null, equal);
+    return {
+      IfStatement(node) {
+        const test = node.test,
+              conditionsToCheck = test.type === "LogicalExpression" && test.operator === "&&" ? [test, ...splitByAnd(test)] : [test];
+        let current = node,
+            listToCheck = conditionsToCheck.map(c => splitByOr(c).map(splitByAnd));
+
+        while (current.parent && current.parent.type === "IfStatement" && current.parent.alternate === current) {
+          current = current.parent;
+          const currentOrOperands = splitByOr(current.test).map(splitByAnd);
+          listToCheck = listToCheck.map(orOperands => orOperands.filter(orOperand => !currentOrOperands.some(currentOrOperand => isSubset(currentOrOperand, orOperand))));
+
+          if (listToCheck.some(orOperands => orOperands.length === 0)) {
+            context.report({
+              node: test,
+              messageId: "unexpected"
+            });
+            break;
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 534 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of duplicate keys in an object.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const GET_KIND = /^(?:init|get)$/u;
+const SET_KIND = /^(?:init|set)$/u;
+/**
+ * The class which stores properties' information of an object.
+ */
+
+class ObjectInfo {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {ObjectInfo|null} upper The information of the outer object.
+   * @param {ASTNode} node The ObjectExpression node of this information.
+   */
+  constructor(upper, node) {
+    this.upper = upper;
+    this.node = node;
+    this.properties = new Map();
+  }
+  /**
+   * Gets the information of the given Property node.
+   * @param {ASTNode} node The Property node to get.
+   * @returns {{get: boolean, set: boolean}} The information of the property.
+   */
+
+
+  getPropertyInfo(node) {
+    const name = astUtils.getStaticPropertyName(node);
+
+    if (!this.properties.has(name)) {
+      this.properties.set(name, {
+        get: false,
+        set: false
+      });
+    }
+
+    return this.properties.get(name);
+  }
+  /**
+   * Checks whether the given property has been defined already or not.
+   * @param {ASTNode} node The Property node to check.
+   * @returns {boolean} `true` if the property has been defined.
+   */
+
+
+  isPropertyDefined(node) {
+    const entry = this.getPropertyInfo(node);
+    return GET_KIND.test(node.kind) && entry.get || SET_KIND.test(node.kind) && entry.set;
+  }
+  /**
+   * Defines the given property.
+   * @param {ASTNode} node The Property node to define.
+   * @returns {void}
+   */
+
+
+  defineProperty(node) {
+    const entry = this.getPropertyInfo(node);
+
+    if (GET_KIND.test(node.kind)) {
+      entry.get = true;
+    }
+
+    if (SET_KIND.test(node.kind)) {
+      entry.set = true;
+    }
+  }
+
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate keys in object literals",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-dupe-keys"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Duplicate key '{{name}}'."
+    }
+  },
+
+  create(context) {
+    let info = null;
+    return {
+      ObjectExpression(node) {
+        info = new ObjectInfo(info, node);
+      },
+
+      "ObjectExpression:exit"() {
+        info = info.upper;
+      },
+
+      Property(node) {
+        const name = astUtils.getStaticPropertyName(node); // Skip destructuring.
+
+        if (node.parent.type !== "ObjectExpression") {
+          return;
+        } // Skip if the name is not static.
+
+
+        if (name === null) {
+          return;
+        } // Reports if the name is defined already.
+
+
+        if (info.isPropertyDefined(node)) {
+          context.report({
+            node: info.node,
+            loc: node.key.loc,
+            messageId: "unexpected",
+            data: {
+              name
+            }
+          });
+        } // Update info.
+
+
+        info.defineProperty(node);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 535 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow a duplicate case label.
+ * @author Dieter Oberkofler
+ * @author Burak Yigit Kaya
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate case labels",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-duplicate-case"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Duplicate case label."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      SwitchStatement(node) {
+        const previousKeys = new Set();
+
+        for (const switchCase of node.cases) {
+          if (switchCase.test) {
+            const key = sourceCode.getText(switchCase.test);
+
+            if (previousKeys.has(key)) {
+              context.report({
+                node: switchCase,
+                messageId: "unexpected"
+              });
+            } else {
+              previousKeys.add(key);
+            }
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 536 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Restrict usage of duplicate imports.
+ * @author Simen Bekkhus
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the name of the module imported or re-exported.
+ * @param {ASTNode} node A node to get.
+ * @returns {string} the name of the module, or empty string if no name.
+ */
+
+function getValue(node) {
+  if (node && node.source && node.source.value) {
+    return node.source.value.trim();
+  }
+
+  return "";
+}
+/**
+ * Checks if the name of the import or export exists in the given array, and reports if so.
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {ASTNode} node A node to get.
+ * @param {string} value The name of the imported or exported module.
+ * @param {string[]} array The array containing other imports or exports in the file.
+ * @param {string} messageId A messageId to be reported after the name of the module
+ *
+ * @returns {void} No return value
+ */
+
+
+function checkAndReport(context, node, value, array, messageId) {
+  if (array.indexOf(value) !== -1) {
+    context.report({
+      node,
+      messageId,
+      data: {
+        module: value
+      }
+    });
+  }
+}
+/**
+ * @callback nodeCallback
+ * @param {ASTNode} node A node to handle.
+ */
+
+/**
+ * Returns a function handling the imports of a given file
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {boolean} includeExports Whether or not to check for exports in addition to imports.
+ * @param {string[]} importsInFile The array containing other imports in the file.
+ * @param {string[]} exportsInFile The array containing other exports in the file.
+ *
+ * @returns {nodeCallback} A function passed to ESLint to handle the statement.
+ */
+
+
+function handleImports(context, includeExports, importsInFile, exportsInFile) {
+  return function (node) {
+    const value = getValue(node);
+
+    if (value) {
+      checkAndReport(context, node, value, importsInFile, "import");
+
+      if (includeExports) {
+        checkAndReport(context, node, value, exportsInFile, "importAs");
+      }
+
+      importsInFile.push(value);
+    }
+  };
+}
+/**
+ * Returns a function handling the exports of a given file
+ * @param {RuleContext} context The ESLint rule context object.
+ * @param {string[]} importsInFile The array containing other imports in the file.
+ * @param {string[]} exportsInFile The array containing other exports in the file.
+ *
+ * @returns {nodeCallback} A function passed to ESLint to handle the statement.
+ */
+
+
+function handleExports(context, importsInFile, exportsInFile) {
+  return function (node) {
+    const value = getValue(node);
+
+    if (value) {
+      checkAndReport(context, node, value, exportsInFile, "export");
+      checkAndReport(context, node, value, importsInFile, "exportAs");
+      exportsInFile.push(value);
+    }
+  };
+}
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow duplicate module imports",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-duplicate-imports"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        includeExports: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      import: "'{{module}}' import is duplicated.",
+      importAs: "'{{module}}' import is duplicated as export.",
+      export: "'{{module}}' export is duplicated.",
+      exportAs: "'{{module}}' export is duplicated as import."
+    }
+  },
+
+  create(context) {
+    const includeExports = (context.options[0] || {}).includeExports,
+          importsInFile = [],
+          exportsInFile = [];
+    const handlers = {
+      ImportDeclaration: handleImports(context, includeExports, importsInFile, exportsInFile)
+    };
+
+    if (includeExports) {
+      handlers.ExportNamedDeclaration = handleExports(context, importsInFile, exportsInFile);
+      handlers.ExportAllDeclaration = handleExports(context, importsInFile, exportsInFile);
+    }
+
+    return handlers;
+  }
+
+};
+
+/***/ }),
+/* 537 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag `else` after a `return` in `if`
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const FixTracker = __webpack_require__(538); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `else` blocks after `return` statements in `if` statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-else-return"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowElseIf: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      unexpected: "Unnecessary 'else' after 'return'."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks whether the given names can be safely used to declare block-scoped variables
+     * in the given scope. Name collisions can produce redeclaration syntax errors,
+     * or silently change references and modify behavior of the original code.
+     *
+     * This is not a generic function. In particular, it is assumed that the scope is a function scope or
+     * a function's inner scope, and that the names can be valid identifiers in the given scope.
+     * @param {string[]} names Array of variable names.
+     * @param {eslint-scope.Scope} scope Function scope or a function's inner scope.
+     * @returns {boolean} True if all names can be safely declared, false otherwise.
+     */
+    function isSafeToDeclare(names, scope) {
+      if (names.length === 0) {
+        return true;
+      }
+
+      const functionScope = scope.variableScope;
+      /*
+       * If this is a function scope, scope.variables will contain parameters, implicit variables such as "arguments",
+       * all function-scoped variables ('var'), and block-scoped variables defined in the scope.
+       * If this is an inner scope, scope.variables will contain block-scoped variables defined in the scope.
+       *
+       * Redeclaring any of these would cause a syntax error, except for the implicit variables.
+       */
+
+      const declaredVariables = scope.variables.filter(({
+        defs
+      }) => defs.length > 0);
+
+      if (declaredVariables.some(({
+        name
+      }) => names.includes(name))) {
+        return false;
+      } // Redeclaring a catch variable would also cause a syntax error.
+
+
+      if (scope !== functionScope && scope.upper.type === "catch") {
+        if (scope.upper.variables.some(({
+          name
+        }) => names.includes(name))) {
+          return false;
+        }
+      }
+      /*
+       * Redeclaring an implicit variable, such as "arguments", would not cause a syntax error.
+       * However, if the variable was used, declaring a new one with the same name would change references
+       * and modify behavior.
+       */
+
+
+      const usedImplicitVariables = scope.variables.filter(({
+        defs,
+        references
+      }) => defs.length === 0 && references.length > 0);
+
+      if (usedImplicitVariables.some(({
+        name
+      }) => names.includes(name))) {
+        return false;
+      }
+      /*
+       * Declaring a variable with a name that was already used to reference a variable from an upper scope
+       * would change references and modify behavior.
+       */
+
+
+      if (scope.through.some(t => names.includes(t.identifier.name))) {
+        return false;
+      }
+      /*
+       * If the scope is an inner scope (not the function scope), an uninitialized `var` variable declared inside
+       * the scope node (directly or in one of its descendants) is neither declared nor 'through' in the scope.
+       *
+       * For example, this would be a syntax error "Identifier 'a' has already been declared":
+       * function foo() { if (bar) { let a; if (baz) { var a; } } }
+       */
+
+
+      if (scope !== functionScope) {
+        const scopeNodeRange = scope.block.range;
+        const variablesToCheck = functionScope.variables.filter(({
+          name
+        }) => names.includes(name));
+
+        if (variablesToCheck.some(v => v.defs.some(({
+          node: {
+            range
+          }
+        }) => scopeNodeRange[0] <= range[0] && range[1] <= scopeNodeRange[1]))) {
+          return false;
+        }
+      }
+
+      return true;
+    }
+    /**
+     * Checks whether the removal of `else` and its braces is safe from variable name collisions.
+     * @param {Node} node The 'else' node.
+     * @param {eslint-scope.Scope} scope The scope in which the node and the whole 'if' statement is.
+     * @returns {boolean} True if it is safe, false otherwise.
+     */
+
+
+    function isSafeFromNameCollisions(node, scope) {
+      if (node.type === "FunctionDeclaration") {
+        // Conditional function declaration. Scope and hoisting are unpredictable, different engines work differently.
+        return false;
+      }
+
+      if (node.type !== "BlockStatement") {
+        return true;
+      }
+
+      const elseBlockScope = scope.childScopes.find(({
+        block
+      }) => block === node);
+
+      if (!elseBlockScope) {
+        // ecmaVersion < 6, `else` block statement cannot have its own scope, no possible collisions.
+        return true;
+      }
+      /*
+       * elseBlockScope is supposed to merge into its upper scope. elseBlockScope.variables array contains
+       * only block-scoped variables (such as let and const variables or class and function declarations)
+       * defined directly in the elseBlockScope. These are exactly the only names that could cause collisions.
+       */
+
+
+      const namesToCheck = elseBlockScope.variables.map(({
+        name
+      }) => name);
+      return isSafeToDeclare(namesToCheck, scope);
+    }
+    /**
+     * Display the context report if rule is violated
+     * @param {Node} node The 'else' node
+     * @returns {void}
+     */
+
+
+    function displayReport(node) {
+      const currentScope = context.getScope();
+      context.report({
+        node,
+        messageId: "unexpected",
+        fix: fixer => {
+          if (!isSafeFromNameCollisions(node, currentScope)) {
+            return null;
+          }
+
+          const sourceCode = context.getSourceCode();
+          const startToken = sourceCode.getFirstToken(node);
+          const elseToken = sourceCode.getTokenBefore(startToken);
+          const source = sourceCode.getText(node);
+          const lastIfToken = sourceCode.getTokenBefore(elseToken);
+          let fixedSource, firstTokenOfElseBlock;
+
+          if (startToken.type === "Punctuator" && startToken.value === "{") {
+            firstTokenOfElseBlock = sourceCode.getTokenAfter(startToken);
+          } else {
+            firstTokenOfElseBlock = startToken;
+          }
+          /*
+           * If the if block does not have curly braces and does not end in a semicolon
+           * and the else block starts with (, [, /, +, ` or -, then it is not
+           * safe to remove the else keyword, because ASI will not add a semicolon
+           * after the if block
+           */
+
+
+          const ifBlockMaybeUnsafe = node.parent.consequent.type !== "BlockStatement" && lastIfToken.value !== ";";
+          const elseBlockUnsafe = /^[([/+`-]/u.test(firstTokenOfElseBlock.value);
+
+          if (ifBlockMaybeUnsafe && elseBlockUnsafe) {
+            return null;
+          }
+
+          const endToken = sourceCode.getLastToken(node);
+          const lastTokenOfElseBlock = sourceCode.getTokenBefore(endToken);
+
+          if (lastTokenOfElseBlock.value !== ";") {
+            const nextToken = sourceCode.getTokenAfter(endToken);
+            const nextTokenUnsafe = nextToken && /^[([/+`-]/u.test(nextToken.value);
+            const nextTokenOnSameLine = nextToken && nextToken.loc.start.line === lastTokenOfElseBlock.loc.start.line;
+            /*
+             * If the else block contents does not end in a semicolon,
+             * and the else block starts with (, [, /, +, ` or -, then it is not
+             * safe to remove the else block, because ASI will not add a semicolon
+             * after the remaining else block contents
+             */
+
+            if (nextTokenUnsafe || nextTokenOnSameLine && nextToken.value !== "}") {
+              return null;
+            }
+          }
+
+          if (startToken.type === "Punctuator" && startToken.value === "{") {
+            fixedSource = source.slice(1, -1);
+          } else {
+            fixedSource = source;
+          }
+          /*
+           * Extend the replacement range to include the entire
+           * function to avoid conflicting with no-useless-return.
+           * https://github.com/eslint/eslint/issues/8026
+           *
+           * Also, to avoid name collisions between two else blocks.
+           */
+
+
+          return new FixTracker(fixer, sourceCode).retainEnclosingFunction(node).replaceTextRange([elseToken.range[0], node.range[1]], fixedSource);
+        }
+      });
+    }
+    /**
+     * Check to see if the node is a ReturnStatement
+     * @param {Node} node The node being evaluated
+     * @returns {boolean} True if node is a return
+     */
+
+
+    function checkForReturn(node) {
+      return node.type === "ReturnStatement";
+    }
+    /**
+     * Naive return checking, does not iterate through the whole
+     * BlockStatement because we make the assumption that the ReturnStatement
+     * will be the last node in the body of the BlockStatement.
+     * @param {Node} node The consequent/alternate node
+     * @returns {boolean} True if it has a return
+     */
+
+
+    function naiveHasReturn(node) {
+      if (node.type === "BlockStatement") {
+        const body = node.body,
+              lastChildNode = body[body.length - 1];
+        return lastChildNode && checkForReturn(lastChildNode);
+      }
+
+      return checkForReturn(node);
+    }
+    /**
+     * Check to see if the node is valid for evaluation,
+     * meaning it has an else.
+     * @param {Node} node The node being evaluated
+     * @returns {boolean} True if the node is valid
+     */
+
+
+    function hasElse(node) {
+      return node.alternate && node.consequent;
+    }
+    /**
+     * If the consequent is an IfStatement, check to see if it has an else
+     * and both its consequent and alternate path return, meaning this is
+     * a nested case of rule violation.  If-Else not considered currently.
+     * @param {Node} node The consequent node
+     * @returns {boolean} True if this is a nested rule violation
+     */
+
+
+    function checkForIf(node) {
+      return node.type === "IfStatement" && hasElse(node) && naiveHasReturn(node.alternate) && naiveHasReturn(node.consequent);
+    }
+    /**
+     * Check the consequent/body node to make sure it is not
+     * a ReturnStatement or an IfStatement that returns on both
+     * code paths.
+     * @param {Node} node The consequent or body node
+     * @returns {boolean} `true` if it is a Return/If node that always returns.
+     */
+
+
+    function checkForReturnOrIf(node) {
+      return checkForReturn(node) || checkForIf(node);
+    }
+    /**
+     * Check whether a node returns in every codepath.
+     * @param {Node} node The node to be checked
+     * @returns {boolean} `true` if it returns on every codepath.
+     */
+
+
+    function alwaysReturns(node) {
+      if (node.type === "BlockStatement") {
+        // If we have a BlockStatement, check each consequent body node.
+        return node.body.some(checkForReturnOrIf);
+      }
+      /*
+       * If not a block statement, make sure the consequent isn't a
+       * ReturnStatement or an IfStatement with returns on both paths.
+       */
+
+
+      return checkForReturnOrIf(node);
+    }
+    /**
+     * Check the if statement, but don't catch else-if blocks.
+     * @returns {void}
+     * @param {Node} node The node for the if statement to check
+     * @private
+     */
+
+
+    function checkIfWithoutElse(node) {
+      const parent = node.parent;
+      /*
+       * Fixing this would require splitting one statement into two, so no error should
+       * be reported if this node is in a position where only one statement is allowed.
+       */
+
+      if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) {
+        return;
+      }
+
+      const consequents = [];
+      let alternate;
+
+      for (let currentNode = node; currentNode.type === "IfStatement"; currentNode = currentNode.alternate) {
+        if (!currentNode.alternate) {
+          return;
+        }
+
+        consequents.push(currentNode.consequent);
+        alternate = currentNode.alternate;
+      }
+
+      if (consequents.every(alwaysReturns)) {
+        displayReport(alternate);
+      }
+    }
+    /**
+     * Check the if statement
+     * @returns {void}
+     * @param {Node} node The node for the if statement to check
+     * @private
+     */
+
+
+    function checkIfWithElse(node) {
+      const parent = node.parent;
+      /*
+       * Fixing this would require splitting one statement into two, so no error should
+       * be reported if this node is in a position where only one statement is allowed.
+       */
+
+      if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) {
+        return;
+      }
+
+      const alternate = node.alternate;
+
+      if (alternate && alwaysReturns(node.consequent)) {
+        displayReport(alternate);
+      }
+    }
+
+    const allowElseIf = !(context.options[0] && context.options[0].allowElseIf === false); //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+    return {
+      "IfStatement:exit": allowElseIf ? checkIfWithoutElse : checkIfWithElse
+    };
+  }
+
+};
+
+/***/ }),
+/* 538 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Helper class to aid in constructing fix commands.
+ * @author Alan Pierce
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A helper class to combine fix options into a fix command. Currently, it
+ * exposes some "retain" methods that extend the range of the text being
+ * replaced so that other fixes won't touch that region in the same pass.
+ */
+
+
+class FixTracker {
+  /**
+   * Create a new FixTracker.
+   * @param {ruleFixer} fixer A ruleFixer instance.
+   * @param {SourceCode} sourceCode A SourceCode object for the current code.
+   */
+  constructor(fixer, sourceCode) {
+    this.fixer = fixer;
+    this.sourceCode = sourceCode;
+    this.retainedRange = null;
+  }
+  /**
+   * Mark the given range as "retained", meaning that other fixes may not
+   * may not modify this region in the same pass.
+   * @param {int[]} range The range to retain.
+   * @returns {FixTracker} The same RuleFixer, for chained calls.
+   */
+
+
+  retainRange(range) {
+    this.retainedRange = range;
+    return this;
+  }
+  /**
+   * Given a node, find the function containing it (or the entire program) and
+   * mark it as retained, meaning that other fixes may not modify it in this
+   * pass. This is useful for avoiding conflicts in fixes that modify control
+   * flow.
+   * @param {ASTNode} node The node to use as a starting point.
+   * @returns {FixTracker} The same RuleFixer, for chained calls.
+   */
+
+
+  retainEnclosingFunction(node) {
+    const functionNode = astUtils.getUpperFunction(node);
+    return this.retainRange(functionNode ? functionNode.range : this.sourceCode.ast.range);
+  }
+  /**
+   * Given a node or token, find the token before and afterward, and mark that
+   * range as retained, meaning that other fixes may not modify it in this
+   * pass. This is useful for avoiding conflicts in fixes that make a small
+   * change to the code where the AST should not be changed.
+   * @param {ASTNode|Token} nodeOrToken The node or token to use as a starting
+   *      point. The token to the left and right are use in the range.
+   * @returns {FixTracker} The same RuleFixer, for chained calls.
+   */
+
+
+  retainSurroundingTokens(nodeOrToken) {
+    const tokenBefore = this.sourceCode.getTokenBefore(nodeOrToken) || nodeOrToken;
+    const tokenAfter = this.sourceCode.getTokenAfter(nodeOrToken) || nodeOrToken;
+    return this.retainRange([tokenBefore.range[0], tokenAfter.range[1]]);
+  }
+  /**
+   * Create a fix command that replaces the given range with the given text,
+   * accounting for any retained ranges.
+   * @param {int[]} range The range to remove in the fix.
+   * @param {string} text The text to insert in place of the range.
+   * @returns {Object} The fix command.
+   */
+
+
+  replaceTextRange(range, text) {
+    let actualRange;
+
+    if (this.retainedRange) {
+      actualRange = [Math.min(this.retainedRange[0], range[0]), Math.max(this.retainedRange[1], range[1])];
+    } else {
+      actualRange = range;
+    }
+
+    return this.fixer.replaceTextRange(actualRange, this.sourceCode.text.slice(actualRange[0], range[0]) + text + this.sourceCode.text.slice(range[1], actualRange[1]));
+  }
+  /**
+   * Create a fix command that removes the given node or token, accounting for
+   * any retained ranges.
+   * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+   * @returns {Object} The fix command.
+   */
+
+
+  remove(nodeOrToken) {
+    return this.replaceTextRange(nodeOrToken.range, "");
+  }
+
+}
+
+module.exports = FixTracker;
+
+/***/ }),
+/* 539 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of an empty block statement
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow empty block statements",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-empty"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowEmptyCatch: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "Empty {{type}} statement."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {},
+          allowEmptyCatch = options.allowEmptyCatch || false;
+    const sourceCode = context.getSourceCode();
+    return {
+      BlockStatement(node) {
+        // if the body is not empty, we can just return immediately
+        if (node.body.length !== 0) {
+          return;
+        } // a function is generally allowed to be empty
+
+
+        if (astUtils.isFunction(node.parent)) {
+          return;
+        }
+
+        if (allowEmptyCatch && node.parent.type === "CatchClause") {
+          return;
+        } // any other block is only allowed to be empty, if it contains a comment
+
+
+        if (sourceCode.getCommentsInside(node).length > 0) {
+          return;
+        }
+
+        context.report({
+          node,
+          messageId: "unexpected",
+          data: {
+            type: "block"
+          }
+        });
+      },
+
+      SwitchStatement(node) {
+        if (typeof node.cases === "undefined" || node.cases.length === 0) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              type: "switch"
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 540 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag the use of empty character classes in regular expressions
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/*
+ * plain-English description of the following regexp:
+ * 0. `^` fix the match at the beginning of the string
+ * 1. `\/`: the `/` that begins the regexp
+ * 2. `([^\\[]|\\.|\[([^\\\]]|\\.)+\])*`: regexp contents; 0 or more of the following
+ * 2.0. `[^\\[]`: any character that's not a `\` or a `[` (anything but escape sequences and character classes)
+ * 2.1. `\\.`: an escape sequence
+ * 2.2. `\[([^\\\]]|\\.)+\]`: a character class that isn't empty
+ * 3. `\/` the `/` that ends the regexp
+ * 4. `[gimuy]*`: optional regexp flags
+ * 5. `$`: fix the match at the end of the string
+ */
+
+const regex = /^\/([^\\[]|\\.|\[([^\\\]]|\\.)+\])*\/[gimuys]*$/u; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow empty character classes in regular expressions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-empty-character-class"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Empty class."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      Literal(node) {
+        const token = sourceCode.getFirstToken(node);
+
+        if (token.type === "RegularExpression" && !regex.test(token.value)) {
+          context.report({
+            node,
+            messageId: "unexpected"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 541 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow empty functions.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const ALLOW_OPTIONS = Object.freeze(["functions", "arrowFunctions", "generatorFunctions", "methods", "generatorMethods", "getters", "setters", "constructors", "asyncFunctions", "asyncMethods"]);
+/**
+ * Gets the kind of a given function node.
+ * @param {ASTNode} node A function node to get. This is one of
+ *      an ArrowFunctionExpression, a FunctionDeclaration, or a
+ *      FunctionExpression.
+ * @returns {string} The kind of the function. This is one of "functions",
+ *      "arrowFunctions", "generatorFunctions", "asyncFunctions", "methods",
+ *      "generatorMethods", "asyncMethods", "getters", "setters", and
+ *      "constructors".
+ */
+
+function getKind(node) {
+  const parent = node.parent;
+  let kind = "";
+
+  if (node.type === "ArrowFunctionExpression") {
+    return "arrowFunctions";
+  } // Detects main kind.
+
+
+  if (parent.type === "Property") {
+    if (parent.kind === "get") {
+      return "getters";
+    }
+
+    if (parent.kind === "set") {
+      return "setters";
+    }
+
+    kind = parent.method ? "methods" : "functions";
+  } else if (parent.type === "MethodDefinition") {
+    if (parent.kind === "get") {
+      return "getters";
+    }
+
+    if (parent.kind === "set") {
+      return "setters";
+    }
+
+    if (parent.kind === "constructor") {
+      return "constructors";
+    }
+
+    kind = "methods";
+  } else {
+    kind = "functions";
+  } // Detects prefix.
+
+
+  let prefix = "";
+
+  if (node.generator) {
+    prefix = "generator";
+  } else if (node.async) {
+    prefix = "async";
+  } else {
+    return kind;
+  }
+
+  return prefix + kind[0].toUpperCase() + kind.slice(1);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow empty functions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-empty-function"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allow: {
+          type: "array",
+          items: {
+            enum: ALLOW_OPTIONS
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "Unexpected empty {{name}}."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const allowed = options.allow || [];
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports a given function node if the node matches the following patterns.
+     *
+     * - Not allowed by options.
+     * - The body is empty.
+     * - The body doesn't have any comments.
+     * @param {ASTNode} node A function node to report. This is one of
+     *      an ArrowFunctionExpression, a FunctionDeclaration, or a
+     *      FunctionExpression.
+     * @returns {void}
+     */
+
+    function reportIfEmpty(node) {
+      const kind = getKind(node);
+      const name = astUtils.getFunctionNameWithKind(node);
+      const innerComments = sourceCode.getTokens(node.body, {
+        includeComments: true,
+        filter: astUtils.isCommentToken
+      });
+
+      if (allowed.indexOf(kind) === -1 && node.body.type === "BlockStatement" && node.body.body.length === 0 && innerComments.length === 0) {
+        context.report({
+          node,
+          loc: node.body.loc.start,
+          messageId: "unexpected",
+          data: {
+            name
+          }
+        });
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: reportIfEmpty,
+      FunctionDeclaration: reportIfEmpty,
+      FunctionExpression: reportIfEmpty
+    };
+  }
+
+};
+
+/***/ }),
+/* 542 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow an empty pattern
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow empty destructuring patterns",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-empty-pattern"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Unexpected empty {{type}} pattern."
+    }
+  },
+
+  create(context) {
+    return {
+      ObjectPattern(node) {
+        if (node.properties.length === 0) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              type: "object"
+            }
+          });
+        }
+      },
+
+      ArrayPattern(node) {
+        if (node.elements.length === 0) {
+          context.report({
+            node,
+            messageId: "unexpected",
+            data: {
+              type: "array"
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 543 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag comparisons to null without a type-checking
+ * operator.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `null` comparisons without type-checking operators",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-eq-null"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Use '===' to compare with null."
+    }
+  },
+
+  create(context) {
+    return {
+      BinaryExpression(node) {
+        const badOperator = node.operator === "==" || node.operator === "!=";
+
+        if (node.right.type === "Literal" && node.right.raw === "null" && badOperator || node.left.type === "Literal" && node.left.raw === "null" && badOperator) {
+          context.report({
+            node,
+            messageId: "unexpected"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 544 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of eval() statement
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const candidatesOfGlobalObject = Object.freeze(["global", "window", "globalThis"]);
+/**
+ * Checks a given node is a Identifier node of the specified name.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a Identifier node of the name.
+ */
+
+function isIdentifier(node, name) {
+  return node.type === "Identifier" && node.name === name;
+}
+/**
+ * Checks a given node is a Literal node of the specified string value.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a Literal node of the name.
+ */
+
+
+function isConstant(node, name) {
+  switch (node.type) {
+    case "Literal":
+      return node.value === name;
+
+    case "TemplateLiteral":
+      return node.expressions.length === 0 && node.quasis[0].value.cooked === name;
+
+    default:
+      return false;
+  }
+}
+/**
+ * Checks a given node is a MemberExpression node which has the specified name's
+ * property.
+ * @param {ASTNode} node A node to check.
+ * @param {string} name A name to check.
+ * @returns {boolean} `true` if the node is a MemberExpression node which has
+ *      the specified name's property
+ */
+
+
+function isMember(node, name) {
+  return node.type === "MemberExpression" && (node.computed ? isConstant : isIdentifier)(node.property, name);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `eval()`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-eval"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowIndirect: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "eval can be harmful."
+    }
+  },
+
+  create(context) {
+    const allowIndirect = Boolean(context.options[0] && context.options[0].allowIndirect);
+    const sourceCode = context.getSourceCode();
+    let funcInfo = null;
+    /**
+     * Pushs a variable scope (Program or Function) information to the stack.
+     *
+     * This is used in order to check whether or not `this` binding is a
+     * reference to the global object.
+     * @param {ASTNode} node A node of the scope. This is one of Program,
+     *      FunctionDeclaration, FunctionExpression, and ArrowFunctionExpression.
+     * @returns {void}
+     */
+
+    function enterVarScope(node) {
+      const strict = context.getScope().isStrict;
+      funcInfo = {
+        upper: funcInfo,
+        node,
+        strict,
+        defaultThis: false,
+        initialized: strict
+      };
+    }
+    /**
+     * Pops a variable scope from the stack.
+     * @returns {void}
+     */
+
+
+    function exitVarScope() {
+      funcInfo = funcInfo.upper;
+    }
+    /**
+     * Reports a given node.
+     *
+     * `node` is `Identifier` or `MemberExpression`.
+     * The parent of `node` might be `CallExpression`.
+     *
+     * The location of the report is always `eval` `Identifier` (or possibly
+     * `Literal`). The type of the report is `CallExpression` if the parent is
+     * `CallExpression`. Otherwise, it's the given node type.
+     * @param {ASTNode} node A node to report.
+     * @returns {void}
+     */
+
+
+    function report(node) {
+      const parent = node.parent;
+      const locationNode = node.type === "MemberExpression" ? node.property : node;
+      const reportNode = parent.type === "CallExpression" && parent.callee === node ? parent : node;
+      context.report({
+        node: reportNode,
+        loc: locationNode.loc,
+        messageId: "unexpected"
+      });
+    }
+    /**
+     * Reports accesses of `eval` via the global object.
+     * @param {eslint-scope.Scope} globalScope The global scope.
+     * @returns {void}
+     */
+
+
+    function reportAccessingEvalViaGlobalObject(globalScope) {
+      for (let i = 0; i < candidatesOfGlobalObject.length; ++i) {
+        const name = candidatesOfGlobalObject[i];
+        const variable = astUtils.getVariableByName(globalScope, name);
+
+        if (!variable) {
+          continue;
+        }
+
+        const references = variable.references;
+
+        for (let j = 0; j < references.length; ++j) {
+          const identifier = references[j].identifier;
+          let node = identifier.parent; // To detect code like `window.window.eval`.
+
+          while (isMember(node, name)) {
+            node = node.parent;
+          } // Reports.
+
+
+          if (isMember(node, "eval")) {
+            report(node);
+          }
+        }
+      }
+    }
+    /**
+     * Reports all accesses of `eval` (excludes direct calls to eval).
+     * @param {eslint-scope.Scope} globalScope The global scope.
+     * @returns {void}
+     */
+
+
+    function reportAccessingEval(globalScope) {
+      const variable = astUtils.getVariableByName(globalScope, "eval");
+
+      if (!variable) {
+        return;
+      }
+
+      const references = variable.references;
+
+      for (let i = 0; i < references.length; ++i) {
+        const reference = references[i];
+        const id = reference.identifier;
+
+        if (id.name === "eval" && !astUtils.isCallee(id)) {
+          // Is accessing to eval (excludes direct calls to eval)
+          report(id);
+        }
+      }
+    }
+
+    if (allowIndirect) {
+      // Checks only direct calls to eval. It's simple!
+      return {
+        "CallExpression:exit"(node) {
+          const callee = node.callee;
+
+          if (isIdentifier(callee, "eval")) {
+            report(callee);
+          }
+        }
+
+      };
+    }
+
+    return {
+      "CallExpression:exit"(node) {
+        const callee = node.callee;
+
+        if (isIdentifier(callee, "eval")) {
+          report(callee);
+        }
+      },
+
+      Program(node) {
+        const scope = context.getScope(),
+              features = context.parserOptions.ecmaFeatures || {},
+              strict = scope.isStrict || node.sourceType === "module" || features.globalReturn && scope.childScopes[0].isStrict;
+        funcInfo = {
+          upper: null,
+          node,
+          strict,
+          defaultThis: true,
+          initialized: true
+        };
+      },
+
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        exitVarScope();
+        reportAccessingEval(globalScope);
+        reportAccessingEvalViaGlobalObject(globalScope);
+      },
+
+      FunctionDeclaration: enterVarScope,
+      "FunctionDeclaration:exit": exitVarScope,
+      FunctionExpression: enterVarScope,
+      "FunctionExpression:exit": exitVarScope,
+      ArrowFunctionExpression: enterVarScope,
+      "ArrowFunctionExpression:exit": exitVarScope,
+
+      ThisExpression(node) {
+        if (!isMember(node.parent, "eval")) {
+          return;
+        }
+        /*
+         * `this.eval` is found.
+         * Checks whether or not the value of `this` is the global object.
+         */
+
+
+        if (!funcInfo.initialized) {
+          funcInfo.initialized = true;
+          funcInfo.defaultThis = astUtils.isDefaultThisBinding(funcInfo.node, sourceCode);
+        }
+
+        if (!funcInfo.strict && funcInfo.defaultThis) {
+          // `this.eval` is possible built-in `eval`.
+          report(node.parent);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 545 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag assignment of the exception parameter
+ * @author Stephen Murray <spmurrayzzz>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow reassigning exceptions in `catch` clauses",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-ex-assign"
+    },
+    schema: [],
+    messages: {
+      unexpected: "Do not assign to the exception parameter."
+    }
+  },
+
+  create(context) {
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+    function checkVariable(variable) {
+      astUtils.getModifyingReferences(variable.references).forEach(reference => {
+        context.report({
+          node: reference.identifier,
+          messageId: "unexpected"
+        });
+      });
+    }
+
+    return {
+      CatchClause(node) {
+        context.getDeclaredVariables(node).forEach(checkVariable);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 546 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag adding properties to native object's prototypes.
+ * @author David Nelson
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const globals = __webpack_require__(406); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const propertyDefinitionMethods = new Set(["defineProperty", "defineProperties"]); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow extending native types",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-extend-native"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpected: "{{builtin}} prototype is read only, properties should not be added."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || {};
+    const exceptions = new Set(config.exceptions || []);
+    const modifiedBuiltins = new Set(Object.keys(globals.builtin).filter(builtin => builtin[0].toUpperCase() === builtin[0]).filter(builtin => !exceptions.has(builtin)));
+    /**
+     * Reports a lint error for the given node.
+     * @param {ASTNode} node The node to report.
+     * @param {string} builtin The name of the native builtin being extended.
+     * @returns {void}
+     */
+
+    function reportNode(node, builtin) {
+      context.report({
+        node,
+        messageId: "unexpected",
+        data: {
+          builtin
+        }
+      });
+    }
+    /**
+     * Check to see if the `prototype` property of the given object
+     * identifier node is being accessed.
+     * @param {ASTNode} identifierNode The Identifier representing the object
+     * to check.
+     * @returns {boolean} True if the identifier is the object of a
+     * MemberExpression and its `prototype` property is being accessed,
+     * false otherwise.
+     */
+
+
+    function isPrototypePropertyAccessed(identifierNode) {
+      return Boolean(identifierNode && identifierNode.parent && identifierNode.parent.type === "MemberExpression" && identifierNode.parent.object === identifierNode && astUtils.getStaticPropertyName(identifierNode.parent) === "prototype");
+    }
+    /**
+     * Checks that an identifier is an object of a prototype whose member
+     * is being assigned in an AssignmentExpression.
+     * Example: Object.prototype.foo = "bar"
+     * @param {ASTNode} identifierNode The identifier to check.
+     * @returns {boolean} True if the identifier's prototype is modified.
+     */
+
+
+    function isInPrototypePropertyAssignment(identifierNode) {
+      return Boolean(isPrototypePropertyAccessed(identifierNode) && identifierNode.parent.parent.type === "MemberExpression" && identifierNode.parent.parent.parent.type === "AssignmentExpression" && identifierNode.parent.parent.parent.left === identifierNode.parent.parent);
+    }
+    /**
+     * Checks that an identifier is an object of a prototype whose member
+     * is being extended via the Object.defineProperty() or
+     * Object.defineProperties() methods.
+     * Example: Object.defineProperty(Array.prototype, "foo", ...)
+     * Example: Object.defineProperties(Array.prototype, ...)
+     * @param {ASTNode} identifierNode The identifier to check.
+     * @returns {boolean} True if the identifier's prototype is modified.
+     */
+
+
+    function isInDefinePropertyCall(identifierNode) {
+      return Boolean(isPrototypePropertyAccessed(identifierNode) && identifierNode.parent.parent.type === "CallExpression" && identifierNode.parent.parent.arguments[0] === identifierNode.parent && identifierNode.parent.parent.callee.type === "MemberExpression" && identifierNode.parent.parent.callee.object.type === "Identifier" && identifierNode.parent.parent.callee.object.name === "Object" && identifierNode.parent.parent.callee.property.type === "Identifier" && propertyDefinitionMethods.has(identifierNode.parent.parent.callee.property.name));
+    }
+    /**
+     * Check to see if object prototype access is part of a prototype
+     * extension. There are three ways a prototype can be extended:
+     * 1. Assignment to prototype property (Object.prototype.foo = 1)
+     * 2. Object.defineProperty()/Object.defineProperties() on a prototype
+     * If prototype extension is detected, report the AssignmentExpression
+     * or CallExpression node.
+     * @param {ASTNode} identifierNode The Identifier representing the object
+     * which prototype is being accessed and possibly extended.
+     * @returns {void}
+     */
+
+
+    function checkAndReportPrototypeExtension(identifierNode) {
+      if (isInPrototypePropertyAssignment(identifierNode)) {
+        // Identifier --> MemberExpression --> MemberExpression --> AssignmentExpression
+        reportNode(identifierNode.parent.parent.parent, identifierNode.name);
+      } else if (isInDefinePropertyCall(identifierNode)) {
+        // Identifier --> MemberExpression --> CallExpression
+        reportNode(identifierNode.parent.parent, identifierNode.name);
+      }
+    }
+
+    return {
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        modifiedBuiltins.forEach(builtin => {
+          const builtinVar = globalScope.set.get(builtin);
+
+          if (builtinVar && builtinVar.references) {
+            builtinVar.references.map(ref => ref.identifier).forEach(checkAndReportPrototypeExtension);
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 547 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag unnecessary bind calls
+ * @author Bence Dányi <bence@danyi.me>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const SIDE_EFFECT_FREE_NODE_TYPES = new Set(["Literal", "Identifier", "ThisExpression", "FunctionExpression"]); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary calls to `.bind()`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-extra-bind"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unexpected: "The function binding is unnecessary."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let scopeInfo = null;
+    /**
+     * Checks if a node is free of side effects.
+     *
+     * This check is stricter than it needs to be, in order to keep the implementation simple.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} True if the node is known to be side-effect free, false otherwise.
+     */
+
+    function isSideEffectFree(node) {
+      return SIDE_EFFECT_FREE_NODE_TYPES.has(node.type);
+    }
+    /**
+     * Reports a given function node.
+     * @param {ASTNode} node A node to report. This is a FunctionExpression or
+     *      an ArrowFunctionExpression.
+     * @returns {void}
+     */
+
+
+    function report(node) {
+      context.report({
+        node: node.parent.parent,
+        messageId: "unexpected",
+        loc: node.parent.property.loc,
+
+        fix(fixer) {
+          if (node.parent.parent.arguments.length && !isSideEffectFree(node.parent.parent.arguments[0])) {
+            return null;
+          }
+
+          const firstTokenToRemove = sourceCode.getFirstTokenBetween(node.parent.object, node.parent.property, astUtils.isNotClosingParenToken);
+          const lastTokenToRemove = sourceCode.getLastToken(node.parent.parent);
+
+          if (sourceCode.commentsExistBetween(firstTokenToRemove, lastTokenToRemove)) {
+            return null;
+          }
+
+          return fixer.removeRange([firstTokenToRemove.range[0], node.parent.parent.range[1]]);
+        }
+
+      });
+    }
+    /**
+     * Checks whether or not a given function node is the callee of `.bind()`
+     * method.
+     *
+     * e.g. `(function() {}.bind(foo))`
+     * @param {ASTNode} node A node to report. This is a FunctionExpression or
+     *      an ArrowFunctionExpression.
+     * @returns {boolean} `true` if the node is the callee of `.bind()` method.
+     */
+
+
+    function isCalleeOfBindMethod(node) {
+      const parent = node.parent;
+      const grandparent = parent.parent;
+      return grandparent && grandparent.type === "CallExpression" && grandparent.callee === parent && grandparent.arguments.length === 1 && grandparent.arguments[0].type !== "SpreadElement" && parent.type === "MemberExpression" && parent.object === node && astUtils.getStaticPropertyName(parent) === "bind";
+    }
+    /**
+     * Adds a scope information object to the stack.
+     * @param {ASTNode} node A node to add. This node is a FunctionExpression
+     *      or a FunctionDeclaration node.
+     * @returns {void}
+     */
+
+
+    function enterFunction(node) {
+      scopeInfo = {
+        isBound: isCalleeOfBindMethod(node),
+        thisFound: false,
+        upper: scopeInfo
+      };
+    }
+    /**
+     * Removes the scope information object from the top of the stack.
+     * At the same time, this reports the function node if the function has
+     * `.bind()` and the `this` keywords found.
+     * @param {ASTNode} node A node to remove. This node is a
+     *      FunctionExpression or a FunctionDeclaration node.
+     * @returns {void}
+     */
+
+
+    function exitFunction(node) {
+      if (scopeInfo.isBound && !scopeInfo.thisFound) {
+        report(node);
+      }
+
+      scopeInfo = scopeInfo.upper;
+    }
+    /**
+     * Reports a given arrow function if the function is callee of `.bind()`
+     * method.
+     * @param {ASTNode} node A node to report. This node is an
+     *      ArrowFunctionExpression.
+     * @returns {void}
+     */
+
+
+    function exitArrowFunction(node) {
+      if (isCalleeOfBindMethod(node)) {
+        report(node);
+      }
+    }
+    /**
+     * Set the mark as the `this` keyword was found in this scope.
+     * @returns {void}
+     */
+
+
+    function markAsThisFound() {
+      if (scopeInfo) {
+        scopeInfo.thisFound = true;
+      }
+    }
+
+    return {
+      "ArrowFunctionExpression:exit": exitArrowFunction,
+      FunctionDeclaration: enterFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      FunctionExpression: enterFunction,
+      "FunctionExpression:exit": exitFunction,
+      ThisExpression: markAsThisFound
+    };
+  }
+
+};
+
+/***/ }),
+/* 548 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag unnecessary double negation in Boolean contexts
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const eslintUtils = __webpack_require__(549);
+
+const precedence = astUtils.getPrecedence; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary boolean casts",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-extra-boolean-cast"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        enforceForLogicalOperands: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      unexpectedCall: "Redundant Boolean call.",
+      unexpectedNegation: "Redundant double negation."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); // Node types which have a test which will coerce values to booleans.
+
+    const BOOLEAN_NODE_TYPES = ["IfStatement", "DoWhileStatement", "WhileStatement", "ConditionalExpression", "ForStatement"];
+    /**
+     * Check if a node is a Boolean function or constructor.
+     * @param {ASTNode} node the node
+     * @returns {boolean} If the node is Boolean function or constructor
+     */
+
+    function isBooleanFunctionOrConstructorCall(node) {
+      // Boolean(<bool>) and new Boolean(<bool>)
+      return (node.type === "CallExpression" || node.type === "NewExpression") && node.callee.type === "Identifier" && node.callee.name === "Boolean";
+    }
+    /**
+     * Checks whether the node is a logical expression and that the option is enabled
+     * @param {ASTNode} node the node
+     * @returns {boolean} if the node is a logical expression and option is enabled
+     */
+
+
+    function isLogicalContext(node) {
+      return node.type === "LogicalExpression" && (node.operator === "||" || node.operator === "&&") && context.options.length && context.options[0].enforceForLogicalOperands === true;
+    }
+    /**
+     * Check if a node is in a context where its value would be coerced to a boolean at runtime.
+     * @param {ASTNode} node The node
+     * @returns {boolean} If it is in a boolean context
+     */
+
+
+    function isInBooleanContext(node) {
+      return isBooleanFunctionOrConstructorCall(node.parent) && node === node.parent.arguments[0] || BOOLEAN_NODE_TYPES.indexOf(node.parent.type) !== -1 && node === node.parent.test || // !<bool>
+      node.parent.type === "UnaryExpression" && node.parent.operator === "!";
+    }
+    /**
+     * Checks whether the node is a context that should report an error
+     * Acts recursively if it is in a logical context
+     * @param {ASTNode} node the node
+     * @returns {boolean} If the node is in one of the flagged contexts
+     */
+
+
+    function isInFlaggedContext(node) {
+      return isInBooleanContext(node) || isLogicalContext(node.parent) && // For nested logical statements
+      isInFlaggedContext(node.parent);
+    }
+    /**
+     * Check if a node has comments inside.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if it has comments inside.
+     */
+
+
+    function hasCommentsInside(node) {
+      return Boolean(sourceCode.getCommentsInside(node).length);
+    }
+    /**
+     * Checks if the given node is wrapped in grouping parentheses. Parentheses for constructs such as if() don't count.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if the node is parenthesized.
+     * @private
+     */
+
+
+    function isParenthesized(node) {
+      return eslintUtils.isParenthesized(1, node, sourceCode);
+    }
+    /**
+     * Determines whether the given node needs to be parenthesized when replacing the previous node.
+     * It assumes that `previousNode` is the node to be reported by this rule, so it has a limited list
+     * of possible parent node types. By the same assumption, the node's role in a particular parent is already known.
+     * For example, if the parent is `ConditionalExpression`, `previousNode` must be its `test` child.
+     * @param {ASTNode} previousNode Previous node.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} `true` if the node needs to be parenthesized.
+     */
+
+
+    function needsParens(previousNode, node) {
+      if (isParenthesized(previousNode)) {
+        // parentheses around the previous node will stay, so there is no need for an additional pair
+        return false;
+      } // parent of the previous node will become parent of the replacement node
+
+
+      const parent = previousNode.parent;
+
+      switch (parent.type) {
+        case "CallExpression":
+        case "NewExpression":
+          return node.type === "SequenceExpression";
+
+        case "IfStatement":
+        case "DoWhileStatement":
+        case "WhileStatement":
+        case "ForStatement":
+          return false;
+
+        case "ConditionalExpression":
+          return precedence(node) <= precedence(parent);
+
+        case "UnaryExpression":
+          return precedence(node) < precedence(parent);
+
+        case "LogicalExpression":
+          if (previousNode === parent.left) {
+            return precedence(node) < precedence(parent);
+          }
+
+          return precedence(node) <= precedence(parent);
+
+        /* istanbul ignore next */
+
+        default:
+          throw new Error("Unexpected parent type: ".concat(parent.type));
+      }
+    }
+
+    return {
+      UnaryExpression(node) {
+        const parent = node.parent; // Exit early if it's guaranteed not to match
+
+        if (node.operator !== "!" || parent.type !== "UnaryExpression" || parent.operator !== "!") {
+          return;
+        }
+
+        if (isInFlaggedContext(parent)) {
+          context.report({
+            node: parent,
+            messageId: "unexpectedNegation",
+
+            fix(fixer) {
+              if (hasCommentsInside(parent)) {
+                return null;
+              }
+
+              if (needsParens(parent, node.argument)) {
+                return fixer.replaceText(parent, "(".concat(sourceCode.getText(node.argument), ")"));
+              }
+
+              let prefix = "";
+              const tokenBefore = sourceCode.getTokenBefore(parent);
+              const firstReplacementToken = sourceCode.getFirstToken(node.argument);
+
+              if (tokenBefore && tokenBefore.range[1] === parent.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, firstReplacementToken)) {
+                prefix = " ";
+              }
+
+              return fixer.replaceText(parent, prefix + sourceCode.getText(node.argument));
+            }
+
+          });
+        }
+      },
+
+      CallExpression(node) {
+        if (node.callee.type !== "Identifier" || node.callee.name !== "Boolean") {
+          return;
+        }
+
+        if (isInFlaggedContext(node)) {
+          context.report({
+            node,
+            messageId: "unexpectedCall",
+
+            fix(fixer) {
+              const parent = node.parent;
+
+              if (node.arguments.length === 0) {
+                if (parent.type === "UnaryExpression" && parent.operator === "!") {
+                  /*
+                   * !Boolean() -> true
+                   */
+                  if (hasCommentsInside(parent)) {
+                    return null;
+                  }
+
+                  const replacement = "true";
+                  let prefix = "";
+                  const tokenBefore = sourceCode.getTokenBefore(parent);
+
+                  if (tokenBefore && tokenBefore.range[1] === parent.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, replacement)) {
+                    prefix = " ";
+                  }
+
+                  return fixer.replaceText(parent, prefix + replacement);
+                }
+                /*
+                 * Boolean() -> false
+                 */
+
+
+                if (hasCommentsInside(node)) {
+                  return null;
+                }
+
+                return fixer.replaceText(node, "false");
+              }
+
+              if (node.arguments.length === 1) {
+                const argument = node.arguments[0];
+
+                if (argument.type === "SpreadElement" || hasCommentsInside(node)) {
+                  return null;
+                }
+                /*
+                 * Boolean(expression) -> expression
+                 */
+
+
+                if (needsParens(node, argument)) {
+                  return fixer.replaceText(node, "(".concat(sourceCode.getText(argument), ")"));
+                }
+
+                return fixer.replaceText(node, sourceCode.getText(argument));
+              } // two or more arguments
+
+
+              return null;
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 549 */
+/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "CALL", function() { return CALL; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "CONSTRUCT", function() { return CONSTRUCT; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ESM", function() { return ESM; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "PatternMatcher", function() { return PatternMatcher; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "READ", function() { return READ; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ReferenceTracker", function() { return ReferenceTracker; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "findVariable", function() { return findVariable; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getFunctionHeadLocation", function() { return getFunctionHeadLocation; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getFunctionNameWithKind", function() { return getFunctionNameWithKind; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getInnermostScope", function() { return getInnermostScope; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getPropertyName", function() { return getPropertyName; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getStaticValue", function() { return getStaticValue; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getStringIfConstant", function() { return getStringIfConstant; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "hasSideEffect", function() { return hasSideEffect; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isArrowToken", function() { return isArrowToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isClosingBraceToken", function() { return isClosingBraceToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isClosingBracketToken", function() { return isClosingBracketToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isClosingParenToken", function() { return isClosingParenToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isColonToken", function() { return isColonToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isCommaToken", function() { return isCommaToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isCommentToken", function() { return isCommentToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotArrowToken", function() { return isNotArrowToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotClosingBraceToken", function() { return isNotClosingBraceToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotClosingBracketToken", function() { return isNotClosingBracketToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotClosingParenToken", function() { return isNotClosingParenToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotColonToken", function() { return isNotColonToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotCommaToken", function() { return isNotCommaToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotCommentToken", function() { return isNotCommentToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotOpeningBraceToken", function() { return isNotOpeningBraceToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotOpeningBracketToken", function() { return isNotOpeningBracketToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotOpeningParenToken", function() { return isNotOpeningParenToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isNotSemicolonToken", function() { return isNotSemicolonToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isOpeningBraceToken", function() { return isOpeningBraceToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isOpeningBracketToken", function() { return isOpeningBracketToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isOpeningParenToken", function() { return isOpeningParenToken; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isParenthesized", function() { return isParenthesized; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isSemicolonToken", function() { return isSemicolonToken; });
+/* harmony import */ var eslint_visitor_keys__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(392);
+/*! @author Toru Nagashima <https://github.com/mysticatea> */
+
+/**
+ * Get the innermost scope which contains a given location.
+ * @param {Scope} initialScope The initial scope to search.
+ * @param {Node} node The location to search.
+ * @returns {Scope} The innermost scope.
+ */
+
+function getInnermostScope(initialScope, node) {
+  const location = node.range[0];
+  let scope = initialScope;
+  let found = false;
+
+  do {
+    found = false;
+
+    for (const childScope of scope.childScopes) {
+      const range = childScope.block.range;
+
+      if (range[0] <= location && location < range[1]) {
+        scope = childScope;
+        found = true;
+        break;
+      }
+    }
+  } while (found);
+
+  return scope;
+}
+/**
+ * Find the variable of a given name.
+ * @param {Scope} initialScope The scope to start finding.
+ * @param {string|Node} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node.
+ * @returns {Variable|null} The found variable or null.
+ */
+
+
+function findVariable(initialScope, nameOrNode) {
+  let name = "";
+  let scope = initialScope;
+
+  if (typeof nameOrNode === "string") {
+    name = nameOrNode;
+  } else {
+    name = nameOrNode.name;
+    scope = getInnermostScope(scope, nameOrNode);
+  }
+
+  while (scope != null) {
+    const variable = scope.set.get(name);
+
+    if (variable != null) {
+      return variable;
+    }
+
+    scope = scope.upper;
+  }
+
+  return null;
+}
+/**
+ * Negate the result of `this` calling.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the result of `this(token)` is `false`.
+ */
+
+
+function negate0(token) {
+  return !this(token); //eslint-disable-line no-invalid-this
+}
+/**
+ * Creates the negate function of the given function.
+ * @param {function(Token):boolean} f - The function to negate.
+ * @returns {function(Token):boolean} Negated function.
+ */
+
+
+function negate(f) {
+  return negate0.bind(f);
+}
+/**
+ * Checks if the given token is an arrow token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is an arrow token.
+ */
+
+
+function isArrowToken(token) {
+  return token.value === "=>" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a comma token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a comma token.
+ */
+
+
+function isCommaToken(token) {
+  return token.value === "," && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a semicolon token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a semicolon token.
+ */
+
+
+function isSemicolonToken(token) {
+  return token.value === ";" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a colon token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a colon token.
+ */
+
+
+function isColonToken(token) {
+  return token.value === ":" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening parenthesis token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is an opening parenthesis token.
+ */
+
+
+function isOpeningParenToken(token) {
+  return token.value === "(" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing parenthesis token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a closing parenthesis token.
+ */
+
+
+function isClosingParenToken(token) {
+  return token.value === ")" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening square bracket token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is an opening square bracket token.
+ */
+
+
+function isOpeningBracketToken(token) {
+  return token.value === "[" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing square bracket token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a closing square bracket token.
+ */
+
+
+function isClosingBracketToken(token) {
+  return token.value === "]" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is an opening brace token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is an opening brace token.
+ */
+
+
+function isOpeningBraceToken(token) {
+  return token.value === "{" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a closing brace token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a closing brace token.
+ */
+
+
+function isClosingBraceToken(token) {
+  return token.value === "}" && token.type === "Punctuator";
+}
+/**
+ * Checks if the given token is a comment token or not.
+ * @param {Token} token - The token to check.
+ * @returns {boolean} `true` if the token is a comment token.
+ */
+
+
+function isCommentToken(token) {
+  return token.type === "Line" || token.type === "Block" || token.type === "Shebang";
+}
+
+const isNotArrowToken = negate(isArrowToken);
+const isNotCommaToken = negate(isCommaToken);
+const isNotSemicolonToken = negate(isSemicolonToken);
+const isNotColonToken = negate(isColonToken);
+const isNotOpeningParenToken = negate(isOpeningParenToken);
+const isNotClosingParenToken = negate(isClosingParenToken);
+const isNotOpeningBracketToken = negate(isOpeningBracketToken);
+const isNotClosingBracketToken = negate(isClosingBracketToken);
+const isNotOpeningBraceToken = negate(isOpeningBraceToken);
+const isNotClosingBraceToken = negate(isClosingBraceToken);
+const isNotCommentToken = negate(isCommentToken);
+/**
+ * Get the `(` token of the given function node.
+ * @param {Node} node - The function node to get.
+ * @param {SourceCode} sourceCode - The source code object to get tokens.
+ * @returns {Token} `(` token.
+ */
+
+function getOpeningParenOfParams(node, sourceCode) {
+  return node.id ? sourceCode.getTokenAfter(node.id, isOpeningParenToken) : sourceCode.getFirstToken(node, isOpeningParenToken);
+}
+/**
+ * Get the location of the given function node for reporting.
+ * @param {Node} node - The function node to get.
+ * @param {SourceCode} sourceCode - The source code object to get tokens.
+ * @returns {string} The location of the function node for reporting.
+ */
+
+
+function getFunctionHeadLocation(node, sourceCode) {
+  const parent = node.parent;
+  let start = null;
+  let end = null;
+
+  if (node.type === "ArrowFunctionExpression") {
+    const arrowToken = sourceCode.getTokenBefore(node.body, isArrowToken);
+    start = arrowToken.loc.start;
+    end = arrowToken.loc.end;
+  } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+    start = parent.loc.start;
+    end = getOpeningParenOfParams(node, sourceCode).loc.start;
+  } else {
+    start = node.loc.start;
+    end = getOpeningParenOfParams(node, sourceCode).loc.start;
+  }
+
+  return {
+    start: Object.assign({}, start),
+    end: Object.assign({}, end)
+  };
+}
+/* globals BigInt, globalThis, global, self, window */
+
+
+const globalObject = typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {};
+const builtinNames = Object.freeze(new Set(["Array", "ArrayBuffer", "BigInt", "BigInt64Array", "BigUint64Array", "Boolean", "DataView", "Date", "decodeURI", "decodeURIComponent", "encodeURI", "encodeURIComponent", "escape", "Float32Array", "Float64Array", "Function", "Infinity", "Int16Array", "Int32Array", "Int8Array", "isFinite", "isNaN", "isPrototypeOf", "JSON", "Map", "Math", "NaN", "Number", "Object", "parseFloat", "parseInt", "Promise", "Proxy", "Reflect", "RegExp", "Set", "String", "Symbol", "Uint16Array", "Uint32Array", "Uint8Array", "Uint8ClampedArray", "undefined", "unescape", "WeakMap", "WeakSet"]));
+const callAllowed = new Set([Array.isArray, typeof BigInt === "function" ? BigInt : undefined, Boolean, Date, Date.parse, decodeURI, decodeURIComponent, encodeURI, encodeURIComponent, escape, isFinite, isNaN, isPrototypeOf, ...Object.getOwnPropertyNames(Math).map(k => Math[k]).filter(f => typeof f === "function"), Number, Number.isFinite, Number.isNaN, Number.parseFloat, Number.parseInt, Object, Object.entries, Object.is, Object.isExtensible, Object.isFrozen, Object.isSealed, Object.keys, Object.values, parseFloat, parseInt, RegExp, String, String.fromCharCode, String.fromCodePoint, String.raw, Symbol, Symbol.for, Symbol.keyFor, unescape].filter(f => typeof f === "function"));
+const callPassThrough = new Set([Object.freeze, Object.preventExtensions, Object.seal]);
+/**
+ * Get the property descriptor.
+ * @param {object} object The object to get.
+ * @param {string|number|symbol} name The property name to get.
+ */
+
+function getPropertyDescriptor(object, name) {
+  let x = object;
+
+  while ((typeof x === "object" || typeof x === "function") && x !== null) {
+    const d = Object.getOwnPropertyDescriptor(x, name);
+
+    if (d) {
+      return d;
+    }
+
+    x = Object.getPrototypeOf(x);
+  }
+
+  return null;
+}
+/**
+ * Check if a property is getter or not.
+ * @param {object} object The object to check.
+ * @param {string|number|symbol} name The property name to check.
+ */
+
+
+function isGetter(object, name) {
+  const d = getPropertyDescriptor(object, name);
+  return d != null && d.get != null;
+}
+/**
+ * Get the element values of a given node list.
+ * @param {Node[]} nodeList The node list to get values.
+ * @param {Scope|undefined} initialScope The initial scope to find variables.
+ * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null.
+ */
+
+
+function getElementValues(nodeList, initialScope) {
+  const valueList = [];
+
+  for (let i = 0; i < nodeList.length; ++i) {
+    const elementNode = nodeList[i];
+
+    if (elementNode == null) {
+      valueList.length = i + 1;
+    } else if (elementNode.type === "SpreadElement") {
+      const argument = getStaticValueR(elementNode.argument, initialScope);
+
+      if (argument == null) {
+        return null;
+      }
+
+      valueList.push(...argument.value);
+    } else {
+      const element = getStaticValueR(elementNode, initialScope);
+
+      if (element == null) {
+        return null;
+      }
+
+      valueList.push(element.value);
+    }
+  }
+
+  return valueList;
+}
+
+const operations = Object.freeze({
+  ArrayExpression(node, initialScope) {
+    const elements = getElementValues(node.elements, initialScope);
+    return elements != null ? {
+      value: elements
+    } : null;
+  },
+
+  AssignmentExpression(node, initialScope) {
+    if (node.operator === "=") {
+      return getStaticValueR(node.right, initialScope);
+    }
+
+    return null;
+  },
+
+  //eslint-disable-next-line complexity
+  BinaryExpression(node, initialScope) {
+    if (node.operator === "in" || node.operator === "instanceof") {
+      // Not supported.
+      return null;
+    }
+
+    const left = getStaticValueR(node.left, initialScope);
+    const right = getStaticValueR(node.right, initialScope);
+
+    if (left != null && right != null) {
+      switch (node.operator) {
+        case "==":
+          return {
+            value: left.value == right.value
+          };
+        //eslint-disable-line eqeqeq
+
+        case "!=":
+          return {
+            value: left.value != right.value
+          };
+        //eslint-disable-line eqeqeq
+
+        case "===":
+          return {
+            value: left.value === right.value
+          };
+
+        case "!==":
+          return {
+            value: left.value !== right.value
+          };
+
+        case "<":
+          return {
+            value: left.value < right.value
+          };
+
+        case "<=":
+          return {
+            value: left.value <= right.value
+          };
+
+        case ">":
+          return {
+            value: left.value > right.value
+          };
+
+        case ">=":
+          return {
+            value: left.value >= right.value
+          };
+
+        case "<<":
+          return {
+            value: left.value << right.value
+          };
+
+        case ">>":
+          return {
+            value: left.value >> right.value
+          };
+
+        case ">>>":
+          return {
+            value: left.value >>> right.value
+          };
+
+        case "+":
+          return {
+            value: left.value + right.value
+          };
+
+        case "-":
+          return {
+            value: left.value - right.value
+          };
+
+        case "*":
+          return {
+            value: left.value * right.value
+          };
+
+        case "/":
+          return {
+            value: left.value / right.value
+          };
+
+        case "%":
+          return {
+            value: left.value % right.value
+          };
+
+        case "**":
+          return {
+            value: Math.pow(left.value, right.value)
+          };
+
+        case "|":
+          return {
+            value: left.value | right.value
+          };
+
+        case "^":
+          return {
+            value: left.value ^ right.value
+          };
+
+        case "&":
+          return {
+            value: left.value & right.value
+          };
+        // no default
+      }
+    }
+
+    return null;
+  },
+
+  CallExpression(node, initialScope) {
+    const calleeNode = node.callee;
+    const args = getElementValues(node.arguments, initialScope);
+
+    if (args != null) {
+      if (calleeNode.type === "MemberExpression") {
+        const object = getStaticValueR(calleeNode.object, initialScope);
+        const property = calleeNode.computed ? getStaticValueR(calleeNode.property, initialScope) : {
+          value: calleeNode.property.name
+        };
+
+        if (object != null && property != null) {
+          const receiver = object.value;
+          const methodName = property.value;
+
+          if (callAllowed.has(receiver[methodName])) {
+            return {
+              value: receiver[methodName](...args)
+            };
+          }
+
+          if (callPassThrough.has(receiver[methodName])) {
+            return {
+              value: args[0]
+            };
+          }
+        }
+      } else {
+        const callee = getStaticValueR(calleeNode, initialScope);
+
+        if (callee != null) {
+          const func = callee.value;
+
+          if (callAllowed.has(func)) {
+            return {
+              value: func(...args)
+            };
+          }
+
+          if (callPassThrough.has(func)) {
+            return {
+              value: args[0]
+            };
+          }
+        }
+      }
+    }
+
+    return null;
+  },
+
+  ConditionalExpression(node, initialScope) {
+    const test = getStaticValueR(node.test, initialScope);
+
+    if (test != null) {
+      return test.value ? getStaticValueR(node.consequent, initialScope) : getStaticValueR(node.alternate, initialScope);
+    }
+
+    return null;
+  },
+
+  ExpressionStatement(node, initialScope) {
+    return getStaticValueR(node.expression, initialScope);
+  },
+
+  Identifier(node, initialScope) {
+    if (initialScope != null) {
+      const variable = findVariable(initialScope, node); // Built-in globals.
+
+      if (variable != null && variable.defs.length === 0 && builtinNames.has(variable.name) && variable.name in globalObject) {
+        return {
+          value: globalObject[variable.name]
+        };
+      } // Constants.
+
+
+      if (variable != null && variable.defs.length === 1) {
+        const def = variable.defs[0];
+
+        if (def.parent && def.parent.kind === "const" && // TODO(mysticatea): don't support destructuring here.
+        def.node.id.type === "Identifier") {
+          return getStaticValueR(def.node.init, initialScope);
+        }
+      }
+    }
+
+    return null;
+  },
+
+  Literal(node) {
+    //istanbul ignore if : this is implementation-specific behavior.
+    if ((node.regex != null || node.bigint != null) && node.value == null) {
+      // It was a RegExp/BigInt literal, but Node.js didn't support it.
+      return null;
+    }
+
+    return {
+      value: node.value
+    };
+  },
+
+  LogicalExpression(node, initialScope) {
+    const left = getStaticValueR(node.left, initialScope);
+
+    if (left != null) {
+      if (node.operator === "||" && Boolean(left.value) === true || node.operator === "&&" && Boolean(left.value) === false) {
+        return left;
+      }
+
+      const right = getStaticValueR(node.right, initialScope);
+
+      if (right != null) {
+        return right;
+      }
+    }
+
+    return null;
+  },
+
+  MemberExpression(node, initialScope) {
+    const object = getStaticValueR(node.object, initialScope);
+    const property = node.computed ? getStaticValueR(node.property, initialScope) : {
+      value: node.property.name
+    };
+
+    if (object != null && property != null && !isGetter(object.value, property.value)) {
+      return {
+        value: object.value[property.value]
+      };
+    }
+
+    return null;
+  },
+
+  NewExpression(node, initialScope) {
+    const callee = getStaticValueR(node.callee, initialScope);
+    const args = getElementValues(node.arguments, initialScope);
+
+    if (callee != null && args != null) {
+      const Func = callee.value;
+
+      if (callAllowed.has(Func)) {
+        return {
+          value: new Func(...args)
+        };
+      }
+    }
+
+    return null;
+  },
+
+  ObjectExpression(node, initialScope) {
+    const object = {};
+
+    for (const propertyNode of node.properties) {
+      if (propertyNode.type === "Property") {
+        if (propertyNode.kind !== "init") {
+          return null;
+        }
+
+        const key = propertyNode.computed ? getStaticValueR(propertyNode.key, initialScope) : {
+          value: propertyNode.key.name
+        };
+        const value = getStaticValueR(propertyNode.value, initialScope);
+
+        if (key == null || value == null) {
+          return null;
+        }
+
+        object[key.value] = value.value;
+      } else if (propertyNode.type === "SpreadElement" || propertyNode.type === "ExperimentalSpreadProperty") {
+        const argument = getStaticValueR(propertyNode.argument, initialScope);
+
+        if (argument == null) {
+          return null;
+        }
+
+        Object.assign(object, argument.value);
+      } else {
+        return null;
+      }
+    }
+
+    return {
+      value: object
+    };
+  },
+
+  SequenceExpression(node, initialScope) {
+    const last = node.expressions[node.expressions.length - 1];
+    return getStaticValueR(last, initialScope);
+  },
+
+  TaggedTemplateExpression(node, initialScope) {
+    const tag = getStaticValueR(node.tag, initialScope);
+    const expressions = getElementValues(node.quasi.expressions, initialScope);
+
+    if (tag != null && expressions != null) {
+      const func = tag.value;
+      const strings = node.quasi.quasis.map(q => q.value.cooked);
+      strings.raw = node.quasi.quasis.map(q => q.value.raw);
+
+      if (func === String.raw) {
+        return {
+          value: func(strings, ...expressions)
+        };
+      }
+    }
+
+    return null;
+  },
+
+  TemplateLiteral(node, initialScope) {
+    const expressions = getElementValues(node.expressions, initialScope);
+
+    if (expressions != null) {
+      let value = node.quasis[0].value.cooked;
+
+      for (let i = 0; i < expressions.length; ++i) {
+        value += expressions[i];
+        value += node.quasis[i + 1].value.cooked;
+      }
+
+      return {
+        value
+      };
+    }
+
+    return null;
+  },
+
+  UnaryExpression(node, initialScope) {
+    if (node.operator === "delete") {
+      // Not supported.
+      return null;
+    }
+
+    if (node.operator === "void") {
+      return {
+        value: undefined
+      };
+    }
+
+    const arg = getStaticValueR(node.argument, initialScope);
+
+    if (arg != null) {
+      switch (node.operator) {
+        case "-":
+          return {
+            value: -arg.value
+          };
+
+        case "+":
+          return {
+            value: +arg.value
+          };
+        //eslint-disable-line no-implicit-coercion
+
+        case "!":
+          return {
+            value: !arg.value
+          };
+
+        case "~":
+          return {
+            value: ~arg.value
+          };
+
+        case "typeof":
+          return {
+            value: typeof arg.value
+          };
+        // no default
+      }
+    }
+
+    return null;
+  }
+
+});
+/**
+ * Get the value of a given node if it's a static value.
+ * @param {Node} node The node to get.
+ * @param {Scope|undefined} initialScope The scope to start finding variable.
+ * @returns {{value:any}|null} The static value of the node, or `null`.
+ */
+
+function getStaticValueR(node, initialScope) {
+  if (node != null && Object.hasOwnProperty.call(operations, node.type)) {
+    return operations[node.type](node, initialScope);
+  }
+
+  return null;
+}
+/**
+ * Get the value of a given node if it's a static value.
+ * @param {Node} node The node to get.
+ * @param {Scope} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible.
+ * @returns {{value:any}|null} The static value of the node, or `null`.
+ */
+
+
+function getStaticValue(node, initialScope = null) {
+  try {
+    return getStaticValueR(node, initialScope);
+  } catch (_error) {
+    return null;
+  }
+}
+/**
+ * Get the value of a given node if it's a literal or a template literal.
+ * @param {Node} node The node to get.
+ * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant.
+ * @returns {string|null} The value of the node, or `null`.
+ */
+
+
+function getStringIfConstant(node, initialScope = null) {
+  // Handle the literals that the platform doesn't support natively.
+  if (node && node.type === "Literal" && node.value === null) {
+    if (node.regex) {
+      return "/".concat(node.regex.pattern, "/").concat(node.regex.flags);
+    }
+
+    if (node.bigint) {
+      return node.bigint;
+    }
+  }
+
+  const evaluated = getStaticValue(node, initialScope);
+  return evaluated && String(evaluated.value);
+}
+/**
+ * Get the property name from a MemberExpression node or a Property node.
+ * @param {Node} node The node to get.
+ * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.
+ * @returns {string|null} The property name of the node.
+ */
+
+
+function getPropertyName(node, initialScope) {
+  switch (node.type) {
+    case "MemberExpression":
+      if (node.computed) {
+        return getStringIfConstant(node.property, initialScope);
+      }
+
+      return node.property.name;
+
+    case "Property":
+    case "MethodDefinition":
+      if (node.computed) {
+        return getStringIfConstant(node.key, initialScope);
+      }
+
+      if (node.key.type === "Literal") {
+        return String(node.key.value);
+      }
+
+      return node.key.name;
+    // no default
+  }
+
+  return null;
+}
+/**
+ * Get the name and kind of the given function node.
+ * @param {ASTNode} node - The function node to get.
+ * @returns {string} The name and kind of the function node.
+ */
+
+
+function getFunctionNameWithKind(node) {
+  const parent = node.parent;
+  const tokens = [];
+
+  if (parent.type === "MethodDefinition" && parent.static) {
+    tokens.push("static");
+  }
+
+  if (node.async) {
+    tokens.push("async");
+  }
+
+  if (node.generator) {
+    tokens.push("generator");
+  }
+
+  if (node.type === "ArrowFunctionExpression") {
+    tokens.push("arrow", "function");
+  } else if (parent.type === "Property" || parent.type === "MethodDefinition") {
+    if (parent.kind === "constructor") {
+      return "constructor";
+    }
+
+    if (parent.kind === "get") {
+      tokens.push("getter");
+    } else if (parent.kind === "set") {
+      tokens.push("setter");
+    } else {
+      tokens.push("method");
+    }
+  } else {
+    tokens.push("function");
+  }
+
+  if (node.id) {
+    tokens.push("'".concat(node.id.name, "'"));
+  } else {
+    const name = getPropertyName(parent);
+
+    if (name) {
+      tokens.push("'".concat(name, "'"));
+    }
+  }
+
+  return tokens.join(" ");
+}
+
+const typeConversionBinaryOps = Object.freeze(new Set(["==", "!=", "<", "<=", ">", ">=", "<<", ">>", ">>>", "+", "-", "*", "/", "%", "|", "^", "&", "in"]));
+const typeConversionUnaryOps = Object.freeze(new Set(["-", "+", "!", "~"]));
+const visitor = Object.freeze(Object.assign(Object.create(null), {
+  $visit(node, options, visitorKeys) {
+    const {
+      type
+    } = node;
+
+    if (typeof this[type] === "function") {
+      return this[type](node, options, visitorKeys);
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  $visitChildren(node, options, visitorKeys) {
+    const {
+      type
+    } = node;
+
+    for (const key of visitorKeys[type] || eslint_visitor_keys__WEBPACK_IMPORTED_MODULE_0__.getKeys(node)) {
+      const value = node[key];
+
+      if (Array.isArray(value)) {
+        for (const element of value) {
+          if (element && this.$visit(element, options, visitorKeys)) {
+            return true;
+          }
+        }
+      } else if (value && this.$visit(value, options, visitorKeys)) {
+        return true;
+      }
+    }
+
+    return false;
+  },
+
+  ArrowFunctionExpression() {
+    return false;
+  },
+
+  AssignmentExpression() {
+    return true;
+  },
+
+  AwaitExpression() {
+    return true;
+  },
+
+  BinaryExpression(node, options, visitorKeys) {
+    if (options.considerImplicitTypeConversion && typeConversionBinaryOps.has(node.operator) && (node.left.type !== "Literal" || node.right.type !== "Literal")) {
+      return true;
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  CallExpression() {
+    return true;
+  },
+
+  FunctionExpression() {
+    return false;
+  },
+
+  ImportExpression() {
+    return true;
+  },
+
+  MemberExpression(node, options, visitorKeys) {
+    if (options.considerGetters) {
+      return true;
+    }
+
+    if (options.considerImplicitTypeConversion && node.computed && node.property.type !== "Literal") {
+      return true;
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  MethodDefinition(node, options, visitorKeys) {
+    if (options.considerImplicitTypeConversion && node.computed && node.key.type !== "Literal") {
+      return true;
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  NewExpression() {
+    return true;
+  },
+
+  Property(node, options, visitorKeys) {
+    if (options.considerImplicitTypeConversion && node.computed && node.key.type !== "Literal") {
+      return true;
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  UnaryExpression(node, options, visitorKeys) {
+    if (node.operator === "delete") {
+      return true;
+    }
+
+    if (options.considerImplicitTypeConversion && typeConversionUnaryOps.has(node.operator) && node.argument.type !== "Literal") {
+      return true;
+    }
+
+    return this.$visitChildren(node, options, visitorKeys);
+  },
+
+  UpdateExpression() {
+    return true;
+  },
+
+  YieldExpression() {
+    return true;
+  }
+
+}));
+/**
+ * Check whether a given node has any side effect or not.
+ * @param {Node} node The node to get.
+ * @param {SourceCode} sourceCode The source code object.
+ * @param {object} [options] The option object.
+ * @param {boolean} [options.considerGetters=false] If `true` then it considers member accesses as the node which has side effects.
+ * @param {boolean} [options.considerImplicitTypeConversion=false] If `true` then it considers implicit type conversion as the node which has side effects.
+ * @param {object} [options.visitorKeys=evk.KEYS] The keys to traverse nodes. Use `context.getSourceCode().visitorKeys`.
+ * @returns {boolean} `true` if the node has a certain side effect.
+ */
+
+function hasSideEffect(node, sourceCode, {
+  considerGetters = false,
+  considerImplicitTypeConversion = false
+} = {}) {
+  return visitor.$visit(node, {
+    considerGetters,
+    considerImplicitTypeConversion
+  }, sourceCode.visitorKeys || eslint_visitor_keys__WEBPACK_IMPORTED_MODULE_0__.KEYS);
+}
+/**
+ * Get the left parenthesis of the parent node syntax if it exists.
+ * E.g., `if (a) {}` then the `(`.
+ * @param {Node} node The AST node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {Token|null} The left parenthesis of the parent node syntax
+ */
+
+
+function getParentSyntaxParen(node, sourceCode) {
+  const parent = node.parent;
+
+  switch (parent.type) {
+    case "CallExpression":
+    case "NewExpression":
+      if (parent.arguments.length === 1 && parent.arguments[0] === node) {
+        return sourceCode.getTokenAfter(parent.callee, isOpeningParenToken);
+      }
+
+      return null;
+
+    case "DoWhileStatement":
+      if (parent.test === node) {
+        return sourceCode.getTokenAfter(parent.body, isOpeningParenToken);
+      }
+
+      return null;
+
+    case "IfStatement":
+    case "WhileStatement":
+      if (parent.test === node) {
+        return sourceCode.getFirstToken(parent, 1);
+      }
+
+      return null;
+
+    case "ImportExpression":
+      if (parent.source === node) {
+        return sourceCode.getFirstToken(parent, 1);
+      }
+
+      return null;
+
+    case "SwitchStatement":
+      if (parent.discriminant === node) {
+        return sourceCode.getFirstToken(parent, 1);
+      }
+
+      return null;
+
+    case "WithStatement":
+      if (parent.object === node) {
+        return sourceCode.getFirstToken(parent, 1);
+      }
+
+      return null;
+
+    default:
+      return null;
+  }
+}
+/**
+ * Check whether a given node is parenthesized or not.
+ * @param {number} times The number of parantheses.
+ * @param {Node} node The AST node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is parenthesized the given times.
+ */
+
+/**
+ * Check whether a given node is parenthesized or not.
+ * @param {Node} node The AST node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is parenthesized.
+ */
+
+
+function isParenthesized(timesOrNode, nodeOrSourceCode, optionalSourceCode) {
+  let times, node, sourceCode, maybeLeftParen, maybeRightParen;
+
+  if (typeof timesOrNode === "number") {
+    times = timesOrNode | 0;
+    node = nodeOrSourceCode;
+    sourceCode = optionalSourceCode;
+
+    if (!(times >= 1)) {
+      throw new TypeError("'times' should be a positive integer.");
+    }
+  } else {
+    times = 1;
+    node = timesOrNode;
+    sourceCode = nodeOrSourceCode;
+  }
+
+  if (node == null) {
+    return false;
+  }
+
+  maybeLeftParen = maybeRightParen = node;
+
+  do {
+    maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen);
+    maybeRightParen = sourceCode.getTokenAfter(maybeRightParen);
+  } while (maybeLeftParen != null && maybeRightParen != null && isOpeningParenToken(maybeLeftParen) && isClosingParenToken(maybeRightParen) && // Avoid false positive such as `if (a) {}`
+  maybeLeftParen !== getParentSyntaxParen(node, sourceCode) && --times > 0);
+
+  return times === 0;
+}
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * See LICENSE file in root directory for full license.
+ */
+
+
+const placeholder = /\$(?:[$&`']|[1-9][0-9]?)/gu;
+/** @type {WeakMap<PatternMatcher, {pattern:RegExp,escaped:boolean}>} */
+
+const internal = new WeakMap();
+/**
+ * Check whether a given character is escaped or not.
+ * @param {string} str The string to check.
+ * @param {number} index The location of the character to check.
+ * @returns {boolean} `true` if the character is escaped.
+ */
+
+function isEscaped(str, index) {
+  let escaped = false;
+
+  for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) {
+    escaped = !escaped;
+  }
+
+  return escaped;
+}
+/**
+ * Replace a given string by a given matcher.
+ * @param {PatternMatcher} matcher The pattern matcher.
+ * @param {string} str The string to be replaced.
+ * @param {string} replacement The new substring to replace each matched part.
+ * @returns {string} The replaced string.
+ */
+
+
+function replaceS(matcher, str, replacement) {
+  const chunks = [];
+  let index = 0;
+  /** @type {RegExpExecArray} */
+
+  let match = null;
+  /**
+   * @param {string} key The placeholder.
+   * @returns {string} The replaced string.
+   */
+
+  function replacer(key) {
+    switch (key) {
+      case "$$":
+        return "$";
+
+      case "$&":
+        return match[0];
+
+      case "$`":
+        return str.slice(0, match.index);
+
+      case "$'":
+        return str.slice(match.index + match[0].length);
+
+      default:
+        {
+          const i = key.slice(1);
+
+          if (i in match) {
+            return match[i];
+          }
+
+          return key;
+        }
+    }
+  }
+
+  for (match of matcher.execAll(str)) {
+    chunks.push(str.slice(index, match.index));
+    chunks.push(replacement.replace(placeholder, replacer));
+    index = match.index + match[0].length;
+  }
+
+  chunks.push(str.slice(index));
+  return chunks.join("");
+}
+/**
+ * Replace a given string by a given matcher.
+ * @param {PatternMatcher} matcher The pattern matcher.
+ * @param {string} str The string to be replaced.
+ * @param {(...strs[])=>string} replace The function to replace each matched part.
+ * @returns {string} The replaced string.
+ */
+
+
+function replaceF(matcher, str, replace) {
+  const chunks = [];
+  let index = 0;
+
+  for (const match of matcher.execAll(str)) {
+    chunks.push(str.slice(index, match.index));
+    chunks.push(String(replace(...match, match.index, match.input)));
+    index = match.index + match[0].length;
+  }
+
+  chunks.push(str.slice(index));
+  return chunks.join("");
+}
+/**
+ * The class to find patterns as considering escape sequences.
+ */
+
+
+class PatternMatcher {
+  /**
+   * Initialize this matcher.
+   * @param {RegExp} pattern The pattern to match.
+   * @param {{escaped:boolean}} options The options.
+   */
+  constructor(pattern, {
+    escaped = false
+  } = {}) {
+    if (!(pattern instanceof RegExp)) {
+      throw new TypeError("'pattern' should be a RegExp instance.");
+    }
+
+    if (!pattern.flags.includes("g")) {
+      throw new Error("'pattern' should contains 'g' flag.");
+    }
+
+    internal.set(this, {
+      pattern: new RegExp(pattern.source, pattern.flags),
+      escaped: Boolean(escaped)
+    });
+  }
+  /**
+   * Find the pattern in a given string.
+   * @param {string} str The string to find.
+   * @returns {IterableIterator<RegExpExecArray>} The iterator which iterate the matched information.
+   */
+
+
+  *execAll(str) {
+    const {
+      pattern,
+      escaped
+    } = internal.get(this);
+    let match = null;
+    let lastIndex = 0;
+    pattern.lastIndex = 0;
+
+    while ((match = pattern.exec(str)) != null) {
+      if (escaped || !isEscaped(str, match.index)) {
+        lastIndex = pattern.lastIndex;
+        yield match;
+        pattern.lastIndex = lastIndex;
+      }
+    }
+  }
+  /**
+   * Check whether the pattern is found in a given string.
+   * @param {string} str The string to check.
+   * @returns {boolean} `true` if the pattern was found in the string.
+   */
+
+
+  test(str) {
+    const it = this.execAll(str);
+    const ret = it.next();
+    return !ret.done;
+  }
+  /**
+   * Replace a given string.
+   * @param {string} str The string to be replaced.
+   * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`.
+   * @returns {string} The replaced string.
+   */
+
+
+  [Symbol.replace](str, replacer) {
+    return typeof replacer === "function" ? replaceF(this, String(str), replacer) : replaceS(this, String(str), String(replacer));
+  }
+
+}
+
+const IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u;
+const has = Function.call.bind(Object.hasOwnProperty);
+const READ = Symbol("read");
+const CALL = Symbol("call");
+const CONSTRUCT = Symbol("construct");
+const ESM = Symbol("esm");
+const requireCall = {
+  require: {
+    [CALL]: true
+  }
+};
+/**
+ * Check whether a given variable is modified or not.
+ * @param {Variable} variable The variable to check.
+ * @returns {boolean} `true` if the variable is modified.
+ */
+
+function isModifiedGlobal(variable) {
+  return variable == null || variable.defs.length !== 0 || variable.references.some(r => r.isWrite());
+}
+/**
+ * Check if the value of a given node is passed through to the parent syntax as-is.
+ * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through.
+ * @param {Node} node A node to check.
+ * @returns {boolean} `true` if the node is passed through.
+ */
+
+
+function isPassThrough(node) {
+  const parent = node.parent;
+
+  switch (parent && parent.type) {
+    case "ConditionalExpression":
+      return parent.consequent === node || parent.alternate === node;
+
+    case "LogicalExpression":
+      return true;
+
+    case "SequenceExpression":
+      return parent.expressions[parent.expressions.length - 1] === node;
+
+    default:
+      return false;
+  }
+}
+/**
+ * The reference tracker.
+ */
+
+
+class ReferenceTracker {
+  /**
+   * Initialize this tracker.
+   * @param {Scope} globalScope The global scope.
+   * @param {object} [options] The options.
+   * @param {"legacy"|"strict"} [options.mode="strict"] The mode to determine the ImportDeclaration's behavior for CJS modules.
+   * @param {string[]} [options.globalObjectNames=["global","globalThis","self","window"]] The variable names for Global Object.
+   */
+  constructor(globalScope, {
+    mode = "strict",
+    globalObjectNames = ["global", "globalThis", "self", "window"]
+  } = {}) {
+    this.variableStack = [];
+    this.globalScope = globalScope;
+    this.mode = mode;
+    this.globalObjectNames = globalObjectNames.slice(0);
+  }
+  /**
+   * Iterate the references of global variables.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *iterateGlobalReferences(traceMap) {
+    for (const key of Object.keys(traceMap)) {
+      const nextTraceMap = traceMap[key];
+      const path = [key];
+      const variable = this.globalScope.set.get(key);
+
+      if (isModifiedGlobal(variable)) {
+        continue;
+      }
+
+      yield* this._iterateVariableReferences(variable, path, nextTraceMap, true);
+    }
+
+    for (const key of this.globalObjectNames) {
+      const path = [];
+      const variable = this.globalScope.set.get(key);
+
+      if (isModifiedGlobal(variable)) {
+        continue;
+      }
+
+      yield* this._iterateVariableReferences(variable, path, traceMap, false);
+    }
+  }
+  /**
+   * Iterate the references of CommonJS modules.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *iterateCjsReferences(traceMap) {
+    for (const {
+      node
+    } of this.iterateGlobalReferences(requireCall)) {
+      const key = getStringIfConstant(node.arguments[0]);
+
+      if (key == null || !has(traceMap, key)) {
+        continue;
+      }
+
+      const nextTraceMap = traceMap[key];
+      const path = [key];
+
+      if (nextTraceMap[READ]) {
+        yield {
+          node,
+          path,
+          type: READ,
+          info: nextTraceMap[READ]
+        };
+      }
+
+      yield* this._iteratePropertyReferences(node, path, nextTraceMap);
+    }
+  }
+  /**
+   * Iterate the references of ES modules.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *iterateEsmReferences(traceMap) {
+    const programNode = this.globalScope.block;
+
+    for (const node of programNode.body) {
+      if (!IMPORT_TYPE.test(node.type) || node.source == null) {
+        continue;
+      }
+
+      const moduleId = node.source.value;
+
+      if (!has(traceMap, moduleId)) {
+        continue;
+      }
+
+      const nextTraceMap = traceMap[moduleId];
+      const path = [moduleId];
+
+      if (nextTraceMap[READ]) {
+        yield {
+          node,
+          path,
+          type: READ,
+          info: nextTraceMap[READ]
+        };
+      }
+
+      if (node.type === "ExportAllDeclaration") {
+        for (const key of Object.keys(nextTraceMap)) {
+          const exportTraceMap = nextTraceMap[key];
+
+          if (exportTraceMap[READ]) {
+            yield {
+              node,
+              path: path.concat(key),
+              type: READ,
+              info: exportTraceMap[READ]
+            };
+          }
+        }
+      } else {
+        for (const specifier of node.specifiers) {
+          const esm = has(nextTraceMap, ESM);
+
+          const it = this._iterateImportReferences(specifier, path, esm ? nextTraceMap : this.mode === "legacy" ? Object.assign({
+            default: nextTraceMap
+          }, nextTraceMap) : {
+            default: nextTraceMap
+          });
+
+          if (esm) {
+            yield* it;
+          } else {
+            for (const report of it) {
+              report.path = report.path.filter(exceptDefault);
+
+              if (report.path.length >= 2 || report.type !== READ) {
+                yield report;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  /**
+   * Iterate the references for a given variable.
+   * @param {Variable} variable The variable to iterate that references.
+   * @param {string[]} path The current path.
+   * @param {object} traceMap The trace map.
+   * @param {boolean} shouldReport = The flag to report those references.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *_iterateVariableReferences(variable, path, traceMap, shouldReport) {
+    if (this.variableStack.includes(variable)) {
+      return;
+    }
+
+    this.variableStack.push(variable);
+
+    try {
+      for (const reference of variable.references) {
+        if (!reference.isRead()) {
+          continue;
+        }
+
+        const node = reference.identifier;
+
+        if (shouldReport && traceMap[READ]) {
+          yield {
+            node,
+            path,
+            type: READ,
+            info: traceMap[READ]
+          };
+        }
+
+        yield* this._iteratePropertyReferences(node, path, traceMap);
+      }
+    } finally {
+      this.variableStack.pop();
+    }
+  }
+  /**
+   * Iterate the references for a given AST node.
+   * @param rootNode The AST node to iterate references.
+   * @param {string[]} path The current path.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+  //eslint-disable-next-line complexity
+
+
+  *_iteratePropertyReferences(rootNode, path, traceMap) {
+    let node = rootNode;
+
+    while (isPassThrough(node)) {
+      node = node.parent;
+    }
+
+    const parent = node.parent;
+
+    if (parent.type === "MemberExpression") {
+      if (parent.object === node) {
+        const key = getPropertyName(parent);
+
+        if (key == null || !has(traceMap, key)) {
+          return;
+        }
+
+        path = path.concat(key); //eslint-disable-line no-param-reassign
+
+        const nextTraceMap = traceMap[key];
+
+        if (nextTraceMap[READ]) {
+          yield {
+            node: parent,
+            path,
+            type: READ,
+            info: nextTraceMap[READ]
+          };
+        }
+
+        yield* this._iteratePropertyReferences(parent, path, nextTraceMap);
+      }
+
+      return;
+    }
+
+    if (parent.type === "CallExpression") {
+      if (parent.callee === node && traceMap[CALL]) {
+        yield {
+          node: parent,
+          path,
+          type: CALL,
+          info: traceMap[CALL]
+        };
+      }
+
+      return;
+    }
+
+    if (parent.type === "NewExpression") {
+      if (parent.callee === node && traceMap[CONSTRUCT]) {
+        yield {
+          node: parent,
+          path,
+          type: CONSTRUCT,
+          info: traceMap[CONSTRUCT]
+        };
+      }
+
+      return;
+    }
+
+    if (parent.type === "AssignmentExpression") {
+      if (parent.right === node) {
+        yield* this._iterateLhsReferences(parent.left, path, traceMap);
+        yield* this._iteratePropertyReferences(parent, path, traceMap);
+      }
+
+      return;
+    }
+
+    if (parent.type === "AssignmentPattern") {
+      if (parent.right === node) {
+        yield* this._iterateLhsReferences(parent.left, path, traceMap);
+      }
+
+      return;
+    }
+
+    if (parent.type === "VariableDeclarator") {
+      if (parent.init === node) {
+        yield* this._iterateLhsReferences(parent.id, path, traceMap);
+      }
+    }
+  }
+  /**
+   * Iterate the references for a given Pattern node.
+   * @param {Node} patternNode The Pattern node to iterate references.
+   * @param {string[]} path The current path.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *_iterateLhsReferences(patternNode, path, traceMap) {
+    if (patternNode.type === "Identifier") {
+      const variable = findVariable(this.globalScope, patternNode);
+
+      if (variable != null) {
+        yield* this._iterateVariableReferences(variable, path, traceMap, false);
+      }
+
+      return;
+    }
+
+    if (patternNode.type === "ObjectPattern") {
+      for (const property of patternNode.properties) {
+        const key = getPropertyName(property);
+
+        if (key == null || !has(traceMap, key)) {
+          continue;
+        }
+
+        const nextPath = path.concat(key);
+        const nextTraceMap = traceMap[key];
+
+        if (nextTraceMap[READ]) {
+          yield {
+            node: property,
+            path: nextPath,
+            type: READ,
+            info: nextTraceMap[READ]
+          };
+        }
+
+        yield* this._iterateLhsReferences(property.value, nextPath, nextTraceMap);
+      }
+
+      return;
+    }
+
+    if (patternNode.type === "AssignmentPattern") {
+      yield* this._iterateLhsReferences(patternNode.left, path, traceMap);
+    }
+  }
+  /**
+   * Iterate the references for a given ModuleSpecifier node.
+   * @param {Node} specifierNode The ModuleSpecifier node to iterate references.
+   * @param {string[]} path The current path.
+   * @param {object} traceMap The trace map.
+   * @returns {IterableIterator<{node:Node,path:string[],type:symbol,info:any}>} The iterator to iterate references.
+   */
+
+
+  *_iterateImportReferences(specifierNode, path, traceMap) {
+    const type = specifierNode.type;
+
+    if (type === "ImportSpecifier" || type === "ImportDefaultSpecifier") {
+      const key = type === "ImportDefaultSpecifier" ? "default" : specifierNode.imported.name;
+
+      if (!has(traceMap, key)) {
+        return;
+      }
+
+      path = path.concat(key); //eslint-disable-line no-param-reassign
+
+      const nextTraceMap = traceMap[key];
+
+      if (nextTraceMap[READ]) {
+        yield {
+          node: specifierNode,
+          path,
+          type: READ,
+          info: nextTraceMap[READ]
+        };
+      }
+
+      yield* this._iterateVariableReferences(findVariable(this.globalScope, specifierNode.local), path, nextTraceMap, false);
+      return;
+    }
+
+    if (type === "ImportNamespaceSpecifier") {
+      yield* this._iterateVariableReferences(findVariable(this.globalScope, specifierNode.local), path, traceMap, false);
+      return;
+    }
+
+    if (type === "ExportSpecifier") {
+      const key = specifierNode.local.name;
+
+      if (!has(traceMap, key)) {
+        return;
+      }
+
+      path = path.concat(key); //eslint-disable-line no-param-reassign
+
+      const nextTraceMap = traceMap[key];
+
+      if (nextTraceMap[READ]) {
+        yield {
+          node: specifierNode,
+          path,
+          type: READ,
+          info: nextTraceMap[READ]
+        };
+      }
+    }
+  }
+
+}
+
+ReferenceTracker.READ = READ;
+ReferenceTracker.CALL = CALL;
+ReferenceTracker.CONSTRUCT = CONSTRUCT;
+ReferenceTracker.ESM = ESM;
+/**
+ * This is a predicate function for Array#filter.
+ * @param {string} name A name part.
+ * @param {number} index The index of the name.
+ * @returns {boolean} `false` if it's default.
+ */
+
+function exceptDefault(name, index) {
+  return !(index === 1 && name === "default");
+}
+
+var index = {
+  CALL,
+  CONSTRUCT,
+  ESM,
+  findVariable,
+  getFunctionHeadLocation,
+  getFunctionNameWithKind,
+  getInnermostScope,
+  getPropertyName,
+  getStaticValue,
+  getStringIfConstant,
+  hasSideEffect,
+  isArrowToken,
+  isClosingBraceToken,
+  isClosingBracketToken,
+  isClosingParenToken,
+  isColonToken,
+  isCommaToken,
+  isCommentToken,
+  isNotArrowToken,
+  isNotClosingBraceToken,
+  isNotClosingBracketToken,
+  isNotClosingParenToken,
+  isNotColonToken,
+  isNotCommaToken,
+  isNotCommentToken,
+  isNotOpeningBraceToken,
+  isNotOpeningBracketToken,
+  isNotOpeningParenToken,
+  isNotSemicolonToken,
+  isOpeningBraceToken,
+  isOpeningBracketToken,
+  isOpeningParenToken,
+  isParenthesized,
+  isSemicolonToken,
+  PatternMatcher,
+  READ,
+  ReferenceTracker
+};
+/* harmony default export */ __webpack_exports__["default"] = (index);
+
+
+/***/ }),
+/* 550 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow unnecessary labels
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary labels",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-extra-label"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unexpected: "This label '{{name}}' is unnecessary."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let scopeInfo = null;
+    /**
+     * Creates a new scope with a breakable statement.
+     * @param {ASTNode} node A node to create. This is a BreakableStatement.
+     * @returns {void}
+     */
+
+    function enterBreakableStatement(node) {
+      scopeInfo = {
+        label: node.parent.type === "LabeledStatement" ? node.parent.label : null,
+        breakable: true,
+        upper: scopeInfo
+      };
+    }
+    /**
+     * Removes the top scope of the stack.
+     * @returns {void}
+     */
+
+
+    function exitBreakableStatement() {
+      scopeInfo = scopeInfo.upper;
+    }
+    /**
+     * Creates a new scope with a labeled statement.
+     *
+     * This ignores it if the body is a breakable statement.
+     * In this case it's handled in the `enterBreakableStatement` function.
+     * @param {ASTNode} node A node to create. This is a LabeledStatement.
+     * @returns {void}
+     */
+
+
+    function enterLabeledStatement(node) {
+      if (!astUtils.isBreakableStatement(node.body)) {
+        scopeInfo = {
+          label: node.label,
+          breakable: false,
+          upper: scopeInfo
+        };
+      }
+    }
+    /**
+     * Removes the top scope of the stack.
+     *
+     * This ignores it if the body is a breakable statement.
+     * In this case it's handled in the `exitBreakableStatement` function.
+     * @param {ASTNode} node A node. This is a LabeledStatement.
+     * @returns {void}
+     */
+
+
+    function exitLabeledStatement(node) {
+      if (!astUtils.isBreakableStatement(node.body)) {
+        scopeInfo = scopeInfo.upper;
+      }
+    }
+    /**
+     * Reports a given control node if it's unnecessary.
+     * @param {ASTNode} node A node. This is a BreakStatement or a
+     *      ContinueStatement.
+     * @returns {void}
+     */
+
+
+    function reportIfUnnecessary(node) {
+      if (!node.label) {
+        return;
+      }
+
+      const labelNode = node.label;
+
+      for (let info = scopeInfo; info !== null; info = info.upper) {
+        if (info.breakable || info.label && info.label.name === labelNode.name) {
+          if (info.breakable && info.label && info.label.name === labelNode.name) {
+            context.report({
+              node: labelNode,
+              messageId: "unexpected",
+              data: labelNode,
+
+              fix(fixer) {
+                const breakOrContinueToken = sourceCode.getFirstToken(node);
+
+                if (sourceCode.commentsExistBetween(breakOrContinueToken, labelNode)) {
+                  return null;
+                }
+
+                return fixer.removeRange([breakOrContinueToken.range[1], labelNode.range[1]]);
+              }
+
+            });
+          }
+
+          return;
+        }
+      }
+    }
+
+    return {
+      WhileStatement: enterBreakableStatement,
+      "WhileStatement:exit": exitBreakableStatement,
+      DoWhileStatement: enterBreakableStatement,
+      "DoWhileStatement:exit": exitBreakableStatement,
+      ForStatement: enterBreakableStatement,
+      "ForStatement:exit": exitBreakableStatement,
+      ForInStatement: enterBreakableStatement,
+      "ForInStatement:exit": exitBreakableStatement,
+      ForOfStatement: enterBreakableStatement,
+      "ForOfStatement:exit": exitBreakableStatement,
+      SwitchStatement: enterBreakableStatement,
+      "SwitchStatement:exit": exitBreakableStatement,
+      LabeledStatement: enterLabeledStatement,
+      "LabeledStatement:exit": exitLabeledStatement,
+      BreakStatement: reportIfUnnecessary,
+      ContinueStatement: reportIfUnnecessary
+    };
+  }
+
+};
+
+/***/ }),
+/* 551 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow parenthesising higher precedence subexpressions.
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const {
+  isParenthesized: isParenthesizedRaw
+} = __webpack_require__(549);
+
+const astUtils = __webpack_require__(426);
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow unnecessary parentheses",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-extra-parens"
+    },
+    fixable: "code",
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["functions"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["all"]
+        }, {
+          type: "object",
+          properties: {
+            conditionalAssign: {
+              type: "boolean"
+            },
+            nestedBinaryExpressions: {
+              type: "boolean"
+            },
+            returnAssign: {
+              type: "boolean"
+            },
+            ignoreJSX: {
+              enum: ["none", "all", "single-line", "multi-line"]
+            },
+            enforceForArrowConditionals: {
+              type: "boolean"
+            },
+            enforceForSequenceExpressions: {
+              type: "boolean"
+            },
+            enforceForNewInMemberExpressions: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    messages: {
+      unexpected: "Unnecessary parentheses around expression."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const tokensToIgnore = new WeakSet();
+    const precedence = astUtils.getPrecedence;
+    const ALL_NODES = context.options[0] !== "functions";
+    const EXCEPT_COND_ASSIGN = ALL_NODES && context.options[1] && context.options[1].conditionalAssign === false;
+    const NESTED_BINARY = ALL_NODES && context.options[1] && context.options[1].nestedBinaryExpressions === false;
+    const EXCEPT_RETURN_ASSIGN = ALL_NODES && context.options[1] && context.options[1].returnAssign === false;
+    const IGNORE_JSX = ALL_NODES && context.options[1] && context.options[1].ignoreJSX;
+    const IGNORE_ARROW_CONDITIONALS = ALL_NODES && context.options[1] && context.options[1].enforceForArrowConditionals === false;
+    const IGNORE_SEQUENCE_EXPRESSIONS = ALL_NODES && context.options[1] && context.options[1].enforceForSequenceExpressions === false;
+    const IGNORE_NEW_IN_MEMBER_EXPR = ALL_NODES && context.options[1] && context.options[1].enforceForNewInMemberExpressions === false;
+    const PRECEDENCE_OF_ASSIGNMENT_EXPR = precedence({
+      type: "AssignmentExpression"
+    });
+    const PRECEDENCE_OF_UPDATE_EXPR = precedence({
+      type: "UpdateExpression"
+    });
+    let reportsBuffer;
+    /**
+     * Determines if this rule should be enforced for a node given the current configuration.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the rule should be enforced for this node.
+     * @private
+     */
+
+    function ruleApplies(node) {
+      if (node.type === "JSXElement" || node.type === "JSXFragment") {
+        const isSingleLine = node.loc.start.line === node.loc.end.line;
+
+        switch (IGNORE_JSX) {
+          // Exclude this JSX element from linting
+          case "all":
+            return false;
+          // Exclude this JSX element if it is multi-line element
+
+          case "multi-line":
+            return isSingleLine;
+          // Exclude this JSX element if it is single-line element
+
+          case "single-line":
+            return !isSingleLine;
+          // Nothing special to be done for JSX elements
+
+          case "none":
+            break;
+          // no default
+        }
+      }
+
+      if (node.type === "SequenceExpression" && IGNORE_SEQUENCE_EXPRESSIONS) {
+        return false;
+      }
+
+      return ALL_NODES || node.type === "FunctionExpression" || node.type === "ArrowFunctionExpression";
+    }
+    /**
+     * Determines if a node is surrounded by parentheses.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is parenthesised.
+     * @private
+     */
+
+
+    function isParenthesised(node) {
+      return isParenthesizedRaw(1, node, sourceCode);
+    }
+    /**
+     * Determines if a node is surrounded by parentheses twice.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is doubly parenthesised.
+     * @private
+     */
+
+
+    function isParenthesisedTwice(node) {
+      return isParenthesizedRaw(2, node, sourceCode);
+    }
+    /**
+     * Determines if a node is surrounded by (potentially) invalid parentheses.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is incorrectly parenthesised.
+     * @private
+     */
+
+
+    function hasExcessParens(node) {
+      return ruleApplies(node) && isParenthesised(node);
+    }
+    /**
+     * Determines if a node that is expected to be parenthesised is surrounded by
+     * (potentially) invalid extra parentheses.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is has an unexpected extra pair of parentheses.
+     * @private
+     */
+
+
+    function hasDoubleExcessParens(node) {
+      return ruleApplies(node) && isParenthesisedTwice(node);
+    }
+    /**
+     * Determines if a node that is expected to be parenthesised is surrounded by
+     * (potentially) invalid extra parentheses with considering precedence level of the node.
+     * If the preference level of the node is not higher or equal to precedence lower limit, it also checks
+     * whether the node is surrounded by parentheses twice or not.
+     * @param {ASTNode} node The node to be checked.
+     * @param {number} precedenceLowerLimit The lower limit of precedence.
+     * @returns {boolean} True if the node is has an unexpected extra pair of parentheses.
+     * @private
+     */
+
+
+    function hasExcessParensWithPrecedence(node, precedenceLowerLimit) {
+      if (ruleApplies(node) && isParenthesised(node)) {
+        if (precedence(node) >= precedenceLowerLimit || isParenthesisedTwice(node)) {
+          return true;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Determines if a node test expression is allowed to have a parenthesised assignment
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the assignment can be parenthesised.
+     * @private
+     */
+
+
+    function isCondAssignException(node) {
+      return EXCEPT_COND_ASSIGN && node.test.type === "AssignmentExpression";
+    }
+    /**
+     * Determines if a node is in a return statement
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is in a return statement.
+     * @private
+     */
+
+
+    function isInReturnStatement(node) {
+      for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+        if (currentNode.type === "ReturnStatement" || currentNode.type === "ArrowFunctionExpression" && currentNode.body.type !== "BlockStatement") {
+          return true;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Determines if a constructor function is newed-up with parens
+     * @param {ASTNode} newExpression The NewExpression node to be checked.
+     * @returns {boolean} True if the constructor is called with parens.
+     * @private
+     */
+
+
+    function isNewExpressionWithParens(newExpression) {
+      const lastToken = sourceCode.getLastToken(newExpression);
+      const penultimateToken = sourceCode.getTokenBefore(lastToken);
+      return newExpression.arguments.length > 0 || // The expression should end with its own parens, e.g., new new foo() is not a new expression with parens
+      astUtils.isOpeningParenToken(penultimateToken) && astUtils.isClosingParenToken(lastToken) && newExpression.callee.range[1] < newExpression.range[1];
+    }
+    /**
+     * Determines if a node is or contains an assignment expression
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is or contains an assignment expression.
+     * @private
+     */
+
+
+    function containsAssignment(node) {
+      if (node.type === "AssignmentExpression") {
+        return true;
+      }
+
+      if (node.type === "ConditionalExpression" && (node.consequent.type === "AssignmentExpression" || node.alternate.type === "AssignmentExpression")) {
+        return true;
+      }
+
+      if (node.left && node.left.type === "AssignmentExpression" || node.right && node.right.type === "AssignmentExpression") {
+        return true;
+      }
+
+      return false;
+    }
+    /**
+     * Determines if a node is contained by or is itself a return statement and is allowed to have a parenthesised assignment
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the assignment can be parenthesised.
+     * @private
+     */
+
+
+    function isReturnAssignException(node) {
+      if (!EXCEPT_RETURN_ASSIGN || !isInReturnStatement(node)) {
+        return false;
+      }
+
+      if (node.type === "ReturnStatement") {
+        return node.argument && containsAssignment(node.argument);
+      }
+
+      if (node.type === "ArrowFunctionExpression" && node.body.type !== "BlockStatement") {
+        return containsAssignment(node.body);
+      }
+
+      return containsAssignment(node);
+    }
+    /**
+     * Determines if a node following a [no LineTerminator here] restriction is
+     * surrounded by (potentially) invalid extra parentheses.
+     * @param {Token} token The token preceding the [no LineTerminator here] restriction.
+     * @param {ASTNode} node The node to be checked.
+     * @returns {boolean} True if the node is incorrectly parenthesised.
+     * @private
+     */
+
+
+    function hasExcessParensNoLineTerminator(token, node) {
+      if (token.loc.end.line === node.loc.start.line) {
+        return hasExcessParens(node);
+      }
+
+      return hasDoubleExcessParens(node);
+    }
+    /**
+     * Determines whether a node should be preceded by an additional space when removing parens
+     * @param {ASTNode} node node to evaluate; must be surrounded by parentheses
+     * @returns {boolean} `true` if a space should be inserted before the node
+     * @private
+     */
+
+
+    function requiresLeadingSpace(node) {
+      const leftParenToken = sourceCode.getTokenBefore(node);
+      const tokenBeforeLeftParen = sourceCode.getTokenBefore(leftParenToken, {
+        includeComments: true
+      });
+      const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParenToken, {
+        includeComments: true
+      });
+      return tokenBeforeLeftParen && tokenBeforeLeftParen.range[1] === leftParenToken.range[0] && leftParenToken.range[1] === tokenAfterLeftParen.range[0] && !astUtils.canTokensBeAdjacent(tokenBeforeLeftParen, tokenAfterLeftParen);
+    }
+    /**
+     * Determines whether a node should be followed by an additional space when removing parens
+     * @param {ASTNode} node node to evaluate; must be surrounded by parentheses
+     * @returns {boolean} `true` if a space should be inserted after the node
+     * @private
+     */
+
+
+    function requiresTrailingSpace(node) {
+      const nextTwoTokens = sourceCode.getTokensAfter(node, {
+        count: 2
+      });
+      const rightParenToken = nextTwoTokens[0];
+      const tokenAfterRightParen = nextTwoTokens[1];
+      const tokenBeforeRightParen = sourceCode.getLastToken(node);
+      return rightParenToken && tokenAfterRightParen && !sourceCode.isSpaceBetweenTokens(rightParenToken, tokenAfterRightParen) && !astUtils.canTokensBeAdjacent(tokenBeforeRightParen, tokenAfterRightParen);
+    }
+    /**
+     * Determines if a given expression node is an IIFE
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} `true` if the given node is an IIFE
+     */
+
+
+    function isIIFE(node) {
+      return node.type === "CallExpression" && node.callee.type === "FunctionExpression";
+    }
+    /**
+     * Determines if the given node can be the assignment target in destructuring or the LHS of an assignment.
+     * This is to avoid an autofix that could change behavior because parsers mistakenly allow invalid syntax,
+     * such as `(a = b) = c` and `[(a = b) = c] = []`. Ideally, this function shouldn't be necessary.
+     * @param {ASTNode} [node] The node to check
+     * @returns {boolean} `true` if the given node can be a valid assignment target
+     */
+
+
+    function canBeAssignmentTarget(node) {
+      return node && (node.type === "Identifier" || node.type === "MemberExpression");
+    }
+    /**
+     * Report the node
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(node) {
+      const leftParenToken = sourceCode.getTokenBefore(node);
+      const rightParenToken = sourceCode.getTokenAfter(node);
+
+      if (!isParenthesisedTwice(node)) {
+        if (tokensToIgnore.has(sourceCode.getFirstToken(node))) {
+          return;
+        }
+
+        if (isIIFE(node) && !isParenthesised(node.callee)) {
+          return;
+        }
+      }
+      /**
+       * Finishes reporting
+       * @returns {void}
+       * @private
+       */
+
+
+      function finishReport() {
+        context.report({
+          node,
+          loc: leftParenToken.loc,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            const parenthesizedSource = sourceCode.text.slice(leftParenToken.range[1], rightParenToken.range[0]);
+            return fixer.replaceTextRange([leftParenToken.range[0], rightParenToken.range[1]], (requiresLeadingSpace(node) ? " " : "") + parenthesizedSource + (requiresTrailingSpace(node) ? " " : ""));
+          }
+
+        });
+      }
+
+      if (reportsBuffer) {
+        reportsBuffer.reports.push({
+          node,
+          finishReport
+        });
+        return;
+      }
+
+      finishReport();
+    }
+    /**
+     * Evaluate a argument of the node.
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkArgumentWithPrecedence(node) {
+      if (hasExcessParensWithPrecedence(node.argument, precedence(node))) {
+        report(node.argument);
+      }
+    }
+    /**
+     * Check if a member expression contains a call expression
+     * @param {ASTNode} node MemberExpression node to evaluate
+     * @returns {boolean} true if found, false if not
+     */
+
+
+    function doesMemberExpressionContainCallExpression(node) {
+      let currentNode = node.object;
+      let currentNodeType = node.object.type;
+
+      while (currentNodeType === "MemberExpression") {
+        currentNode = currentNode.object;
+        currentNodeType = currentNode.type;
+      }
+
+      return currentNodeType === "CallExpression";
+    }
+    /**
+     * Evaluate a new call
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkCallNew(node) {
+      const callee = node.callee;
+
+      if (hasExcessParensWithPrecedence(callee, precedence(node))) {
+        const hasNewParensException = callee.type === "NewExpression" && !isNewExpressionWithParens(callee);
+
+        if (hasDoubleExcessParens(callee) || !isIIFE(node) && !hasNewParensException && !( // Allow extra parens around a new expression if they are intervening parentheses.
+        node.type === "NewExpression" && callee.type === "MemberExpression" && doesMemberExpressionContainCallExpression(callee))) {
+          report(node.callee);
+        }
+      }
+
+      node.arguments.filter(arg => hasExcessParensWithPrecedence(arg, PRECEDENCE_OF_ASSIGNMENT_EXPR)).forEach(report);
+    }
+    /**
+     * Evaluate binary logicals
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkBinaryLogical(node) {
+      const prec = precedence(node);
+      const leftPrecedence = precedence(node.left);
+      const rightPrecedence = precedence(node.right);
+      const isExponentiation = node.operator === "**";
+      const shouldSkipLeft = NESTED_BINARY && (node.left.type === "BinaryExpression" || node.left.type === "LogicalExpression");
+      const shouldSkipRight = NESTED_BINARY && (node.right.type === "BinaryExpression" || node.right.type === "LogicalExpression");
+
+      if (!shouldSkipLeft && hasExcessParens(node.left)) {
+        if (!(node.left.type === "UnaryExpression" && isExponentiation) && (leftPrecedence > prec || leftPrecedence === prec && !isExponentiation) || isParenthesisedTwice(node.left)) {
+          report(node.left);
+        }
+      }
+
+      if (!shouldSkipRight && hasExcessParens(node.right)) {
+        if (rightPrecedence > prec || rightPrecedence === prec && isExponentiation || isParenthesisedTwice(node.right)) {
+          report(node.right);
+        }
+      }
+    }
+    /**
+     * Check the parentheses around the super class of the given class definition.
+     * @param {ASTNode} node The node of class declarations to check.
+     * @returns {void}
+     */
+
+
+    function checkClass(node) {
+      if (!node.superClass) {
+        return;
+      }
+      /*
+       * If `node.superClass` is a LeftHandSideExpression, parentheses are extra.
+       * Otherwise, parentheses are needed.
+       */
+
+
+      const hasExtraParens = precedence(node.superClass) > PRECEDENCE_OF_UPDATE_EXPR ? hasExcessParens(node.superClass) : hasDoubleExcessParens(node.superClass);
+
+      if (hasExtraParens) {
+        report(node.superClass);
+      }
+    }
+    /**
+     * Check the parentheses around the argument of the given spread operator.
+     * @param {ASTNode} node The node of spread elements/properties to check.
+     * @returns {void}
+     */
+
+
+    function checkSpreadOperator(node) {
+      if (hasExcessParensWithPrecedence(node.argument, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+        report(node.argument);
+      }
+    }
+    /**
+     * Checks the parentheses for an ExpressionStatement or ExportDefaultDeclaration
+     * @param {ASTNode} node The ExpressionStatement.expression or ExportDefaultDeclaration.declaration node
+     * @returns {void}
+     */
+
+
+    function checkExpressionOrExportStatement(node) {
+      const firstToken = isParenthesised(node) ? sourceCode.getTokenBefore(node) : sourceCode.getFirstToken(node);
+      const secondToken = sourceCode.getTokenAfter(firstToken, astUtils.isNotOpeningParenToken);
+      const thirdToken = secondToken ? sourceCode.getTokenAfter(secondToken) : null;
+      const tokenAfterClosingParens = secondToken ? sourceCode.getTokenAfter(secondToken, astUtils.isNotClosingParenToken) : null;
+
+      if (astUtils.isOpeningParenToken(firstToken) && (astUtils.isOpeningBraceToken(secondToken) || secondToken.type === "Keyword" && (secondToken.value === "function" || secondToken.value === "class" || secondToken.value === "let" && tokenAfterClosingParens && (astUtils.isOpeningBracketToken(tokenAfterClosingParens) || tokenAfterClosingParens.type === "Identifier")) || secondToken && secondToken.type === "Identifier" && secondToken.value === "async" && thirdToken && thirdToken.type === "Keyword" && thirdToken.value === "function")) {
+        tokensToIgnore.add(secondToken);
+      }
+
+      if (hasExcessParens(node)) {
+        report(node);
+      }
+    }
+    /**
+     * Finds the path from the given node to the specified ancestor.
+     * @param {ASTNode} node First node in the path.
+     * @param {ASTNode} ancestor Last node in the path.
+     * @returns {ASTNode[]} Path, including both nodes.
+     * @throws {Error} If the given node does not have the specified ancestor.
+     */
+
+
+    function pathToAncestor(node, ancestor) {
+      const path = [node];
+      let currentNode = node;
+
+      while (currentNode !== ancestor) {
+        currentNode = currentNode.parent;
+        /* istanbul ignore if */
+
+        if (currentNode === null) {
+          throw new Error("Nodes are not in the ancestor-descendant relationship.");
+        }
+
+        path.push(currentNode);
+      }
+
+      return path;
+    }
+    /**
+     * Finds the path from the given node to the specified descendant.
+     * @param {ASTNode} node First node in the path.
+     * @param {ASTNode} descendant Last node in the path.
+     * @returns {ASTNode[]} Path, including both nodes.
+     * @throws {Error} If the given node does not have the specified descendant.
+     */
+
+
+    function pathToDescendant(node, descendant) {
+      return pathToAncestor(descendant, node).reverse();
+    }
+    /**
+     * Checks whether the syntax of the given ancestor of an 'in' expression inside a for-loop initializer
+     * is preventing the 'in' keyword from being interpreted as a part of an ill-formed for-in loop.
+     * @param {ASTNode} node Ancestor of an 'in' expression.
+     * @param {ASTNode} child Child of the node, ancestor of the same 'in' expression or the 'in' expression itself.
+     * @returns {boolean} True if the keyword 'in' would be interpreted as the 'in' operator, without any parenthesis.
+     */
+
+
+    function isSafelyEnclosingInExpression(node, child) {
+      switch (node.type) {
+        case "ArrayExpression":
+        case "ArrayPattern":
+        case "BlockStatement":
+        case "ObjectExpression":
+        case "ObjectPattern":
+        case "TemplateLiteral":
+          return true;
+
+        case "ArrowFunctionExpression":
+        case "FunctionExpression":
+          return node.params.includes(child);
+
+        case "CallExpression":
+        case "NewExpression":
+          return node.arguments.includes(child);
+
+        case "MemberExpression":
+          return node.computed && node.property === child;
+
+        case "ConditionalExpression":
+          return node.consequent === child;
+
+        default:
+          return false;
+      }
+    }
+    /**
+     * Starts a new reports buffering. Warnings will be stored in a buffer instead of being reported immediately.
+     * An additional logic that requires multiple nodes (e.g. a whole subtree) may dismiss some of the stored warnings.
+     * @returns {void}
+     */
+
+
+    function startNewReportsBuffering() {
+      reportsBuffer = {
+        upper: reportsBuffer,
+        inExpressionNodes: [],
+        reports: []
+      };
+    }
+    /**
+     * Ends the current reports buffering.
+     * @returns {void}
+     */
+
+
+    function endCurrentReportsBuffering() {
+      const {
+        upper,
+        inExpressionNodes,
+        reports
+      } = reportsBuffer;
+
+      if (upper) {
+        upper.inExpressionNodes.push(...inExpressionNodes);
+        upper.reports.push(...reports);
+      } else {
+        // flush remaining reports
+        reports.forEach(({
+          finishReport
+        }) => finishReport());
+      }
+
+      reportsBuffer = upper;
+    }
+    /**
+     * Checks whether the given node is in the current reports buffer.
+     * @param {ASTNode} node Node to check.
+     * @returns {boolean} True if the node is in the current buffer, false otherwise.
+     */
+
+
+    function isInCurrentReportsBuffer(node) {
+      return reportsBuffer.reports.some(r => r.node === node);
+    }
+    /**
+     * Removes the given node from the current reports buffer.
+     * @param {ASTNode} node Node to remove.
+     * @returns {void}
+     */
+
+
+    function removeFromCurrentReportsBuffer(node) {
+      reportsBuffer.reports = reportsBuffer.reports.filter(r => r.node !== node);
+    }
+
+    return {
+      ArrayExpression(node) {
+        node.elements.filter(e => e && hasExcessParensWithPrecedence(e, PRECEDENCE_OF_ASSIGNMENT_EXPR)).forEach(report);
+      },
+
+      ArrayPattern(node) {
+        node.elements.filter(e => canBeAssignmentTarget(e) && hasExcessParens(e)).forEach(report);
+      },
+
+      ArrowFunctionExpression(node) {
+        if (isReturnAssignException(node)) {
+          return;
+        }
+
+        if (node.body.type === "ConditionalExpression" && IGNORE_ARROW_CONDITIONALS) {
+          return;
+        }
+
+        if (node.body.type !== "BlockStatement") {
+          const firstBodyToken = sourceCode.getFirstToken(node.body, astUtils.isNotOpeningParenToken);
+          const tokenBeforeFirst = sourceCode.getTokenBefore(firstBodyToken);
+
+          if (astUtils.isOpeningParenToken(tokenBeforeFirst) && astUtils.isOpeningBraceToken(firstBodyToken)) {
+            tokensToIgnore.add(firstBodyToken);
+          }
+
+          if (hasExcessParensWithPrecedence(node.body, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+            report(node.body);
+          }
+        }
+      },
+
+      AssignmentExpression(node) {
+        if (canBeAssignmentTarget(node.left) && hasExcessParens(node.left)) {
+          report(node.left);
+        }
+
+        if (!isReturnAssignException(node) && hasExcessParensWithPrecedence(node.right, precedence(node))) {
+          report(node.right);
+        }
+      },
+
+      BinaryExpression(node) {
+        if (reportsBuffer && node.operator === "in") {
+          reportsBuffer.inExpressionNodes.push(node);
+        }
+
+        checkBinaryLogical(node);
+      },
+
+      CallExpression: checkCallNew,
+
+      ClassBody(node) {
+        node.body.filter(member => member.type === "MethodDefinition" && member.computed && member.key).filter(member => hasExcessParensWithPrecedence(member.key, PRECEDENCE_OF_ASSIGNMENT_EXPR)).forEach(member => report(member.key));
+      },
+
+      ConditionalExpression(node) {
+        if (isReturnAssignException(node)) {
+          return;
+        }
+
+        if (!isCondAssignException(node) && hasExcessParensWithPrecedence(node.test, precedence({
+          type: "LogicalExpression",
+          operator: "||"
+        }))) {
+          report(node.test);
+        }
+
+        if (hasExcessParensWithPrecedence(node.consequent, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+          report(node.consequent);
+        }
+
+        if (hasExcessParensWithPrecedence(node.alternate, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+          report(node.alternate);
+        }
+      },
+
+      DoWhileStatement(node) {
+        if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+          report(node.test);
+        }
+      },
+
+      ExportDefaultDeclaration: node => checkExpressionOrExportStatement(node.declaration),
+      ExpressionStatement: node => checkExpressionOrExportStatement(node.expression),
+
+      "ForInStatement, ForOfStatement"(node) {
+        if (node.left.type !== "VariableDeclarator") {
+          const firstLeftToken = sourceCode.getFirstToken(node.left, astUtils.isNotOpeningParenToken);
+
+          if (firstLeftToken.value === "let" && (
+          /*
+           * If `let` is the only thing on the left side of the loop, it's the loop variable: `for ((let) of foo);`
+           * Removing it will cause a syntax error, because it will be parsed as the start of a VariableDeclarator.
+           */
+          firstLeftToken.range[1] === node.left.range[1] ||
+          /*
+          * If `let` is followed by a `[` token, it's a property access on the `let` value: `for ((let[foo]) of bar);`
+          * Removing it will cause the property access to be parsed as a destructuring declaration of `foo` instead.
+          */
+          astUtils.isOpeningBracketToken(sourceCode.getTokenAfter(firstLeftToken, astUtils.isNotClosingParenToken)))) {
+            tokensToIgnore.add(firstLeftToken);
+          }
+        }
+
+        if (node.type === "ForOfStatement") {
+          const hasExtraParens = node.right.type === "SequenceExpression" ? hasDoubleExcessParens(node.right) : hasExcessParens(node.right);
+
+          if (hasExtraParens) {
+            report(node.right);
+          }
+        } else if (hasExcessParens(node.right)) {
+          report(node.right);
+        }
+
+        if (hasExcessParens(node.left)) {
+          report(node.left);
+        }
+      },
+
+      ForStatement(node) {
+        if (node.test && hasExcessParens(node.test) && !isCondAssignException(node)) {
+          report(node.test);
+        }
+
+        if (node.update && hasExcessParens(node.update)) {
+          report(node.update);
+        }
+
+        if (node.init) {
+          startNewReportsBuffering();
+
+          if (hasExcessParens(node.init)) {
+            report(node.init);
+          }
+        }
+      },
+
+      "ForStatement > *.init:exit"(node) {
+        /*
+         * Removing parentheses around `in` expressions might change semantics and cause errors.
+         *
+         * For example, this valid for loop:
+         *      for (let a = (b in c); ;);
+         * after removing parentheses would be treated as an invalid for-in loop:
+         *      for (let a = b in c; ;);
+         */
+        if (reportsBuffer.reports.length) {
+          reportsBuffer.inExpressionNodes.forEach(inExpressionNode => {
+            const path = pathToDescendant(node, inExpressionNode);
+            let nodeToExclude;
+
+            for (let i = 0; i < path.length; i++) {
+              const pathNode = path[i];
+
+              if (i < path.length - 1) {
+                const nextPathNode = path[i + 1];
+
+                if (isSafelyEnclosingInExpression(pathNode, nextPathNode)) {
+                  // The 'in' expression in safely enclosed by the syntax of its ancestor nodes (e.g. by '{}' or '[]').
+                  return;
+                }
+              }
+
+              if (isParenthesised(pathNode)) {
+                if (isInCurrentReportsBuffer(pathNode)) {
+                  // This node was supposed to be reported, but parentheses might be necessary.
+                  if (isParenthesisedTwice(pathNode)) {
+                    /*
+                     * This node is parenthesised twice, it certainly has at least one pair of `extra` parentheses.
+                     * If the --fix option is on, the current fixing iteration will remove only one pair of parentheses.
+                     * The remaining pair is safely enclosing the 'in' expression.
+                     */
+                    return;
+                  } // Exclude the outermost node only.
+
+
+                  if (!nodeToExclude) {
+                    nodeToExclude = pathNode;
+                  } // Don't break the loop here, there might be some safe nodes or parentheses that will stay inside.
+
+                } else {
+                  // This node will stay parenthesised, the 'in' expression in safely enclosed by '()'.
+                  return;
+                }
+              }
+            } // Exclude the node from the list (i.e. treat parentheses as necessary)
+
+
+            removeFromCurrentReportsBuffer(nodeToExclude);
+          });
+        }
+
+        endCurrentReportsBuffering();
+      },
+
+      IfStatement(node) {
+        if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+          report(node.test);
+        }
+      },
+
+      ImportExpression(node) {
+        const {
+          source
+        } = node;
+
+        if (source.type === "SequenceExpression") {
+          if (hasDoubleExcessParens(source)) {
+            report(source);
+          }
+        } else if (hasExcessParens(source)) {
+          report(source);
+        }
+      },
+
+      LogicalExpression: checkBinaryLogical,
+
+      MemberExpression(node) {
+        const nodeObjHasExcessParens = hasExcessParens(node.object);
+
+        if (nodeObjHasExcessParens && precedence(node.object) >= precedence(node) && (node.computed || !(astUtils.isDecimalInteger(node.object) || // RegExp literal is allowed to have parens (#1589)
+        node.object.type === "Literal" && node.object.regex))) {
+          report(node.object);
+        }
+
+        if (nodeObjHasExcessParens && node.object.type === "CallExpression" && node.parent.type !== "NewExpression") {
+          report(node.object);
+        }
+
+        if (nodeObjHasExcessParens && !IGNORE_NEW_IN_MEMBER_EXPR && node.object.type === "NewExpression" && isNewExpressionWithParens(node.object)) {
+          report(node.object);
+        }
+
+        if (node.computed && hasExcessParens(node.property)) {
+          report(node.property);
+        }
+      },
+
+      NewExpression: checkCallNew,
+
+      ObjectExpression(node) {
+        node.properties.filter(property => property.value && hasExcessParensWithPrecedence(property.value, PRECEDENCE_OF_ASSIGNMENT_EXPR)).forEach(property => report(property.value));
+      },
+
+      ObjectPattern(node) {
+        node.properties.filter(property => {
+          const value = property.value;
+          return canBeAssignmentTarget(value) && hasExcessParens(value);
+        }).forEach(property => report(property.value));
+      },
+
+      Property(node) {
+        if (node.computed) {
+          const {
+            key
+          } = node;
+
+          if (key && hasExcessParensWithPrecedence(key, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+            report(key);
+          }
+        }
+      },
+
+      RestElement(node) {
+        const argument = node.argument;
+
+        if (canBeAssignmentTarget(argument) && hasExcessParens(argument)) {
+          report(argument);
+        }
+      },
+
+      ReturnStatement(node) {
+        const returnToken = sourceCode.getFirstToken(node);
+
+        if (isReturnAssignException(node)) {
+          return;
+        }
+
+        if (node.argument && hasExcessParensNoLineTerminator(returnToken, node.argument) && // RegExp literal is allowed to have parens (#1589)
+        !(node.argument.type === "Literal" && node.argument.regex)) {
+          report(node.argument);
+        }
+      },
+
+      SequenceExpression(node) {
+        const precedenceOfNode = precedence(node);
+        node.expressions.filter(e => hasExcessParensWithPrecedence(e, precedenceOfNode)).forEach(report);
+      },
+
+      SwitchCase(node) {
+        if (node.test && hasExcessParens(node.test)) {
+          report(node.test);
+        }
+      },
+
+      SwitchStatement(node) {
+        if (hasExcessParens(node.discriminant)) {
+          report(node.discriminant);
+        }
+      },
+
+      ThrowStatement(node) {
+        const throwToken = sourceCode.getFirstToken(node);
+
+        if (hasExcessParensNoLineTerminator(throwToken, node.argument)) {
+          report(node.argument);
+        }
+      },
+
+      UnaryExpression: checkArgumentWithPrecedence,
+      UpdateExpression: checkArgumentWithPrecedence,
+      AwaitExpression: checkArgumentWithPrecedence,
+
+      VariableDeclarator(node) {
+        if (node.init && hasExcessParensWithPrecedence(node.init, PRECEDENCE_OF_ASSIGNMENT_EXPR) && // RegExp literal is allowed to have parens (#1589)
+        !(node.init.type === "Literal" && node.init.regex)) {
+          report(node.init);
+        }
+      },
+
+      WhileStatement(node) {
+        if (hasExcessParens(node.test) && !isCondAssignException(node)) {
+          report(node.test);
+        }
+      },
+
+      WithStatement(node) {
+        if (hasExcessParens(node.object)) {
+          report(node.object);
+        }
+      },
+
+      YieldExpression(node) {
+        if (node.argument) {
+          const yieldToken = sourceCode.getFirstToken(node);
+
+          if (precedence(node.argument) >= precedence(node) && hasExcessParensNoLineTerminator(yieldToken, node.argument) || hasDoubleExcessParens(node.argument)) {
+            report(node.argument);
+          }
+        }
+      },
+
+      ClassDeclaration: checkClass,
+      ClassExpression: checkClass,
+      SpreadElement: checkSpreadOperator,
+      SpreadProperty: checkSpreadOperator,
+      ExperimentalSpreadProperty: checkSpreadOperator,
+
+      TemplateLiteral(node) {
+        node.expressions.filter(e => e && hasExcessParens(e)).forEach(report);
+      },
+
+      AssignmentPattern(node) {
+        const {
+          left,
+          right
+        } = node;
+
+        if (canBeAssignmentTarget(left) && hasExcessParens(left)) {
+          report(left);
+        }
+
+        if (right && hasExcessParensWithPrecedence(right, PRECEDENCE_OF_ASSIGNMENT_EXPR)) {
+          report(right);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 552 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of unnecessary semicolons
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const FixTracker = __webpack_require__(538);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary semicolons",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-extra-semi"
+    },
+    fixable: "code",
+    schema: [],
+    messages: {
+      unexpected: "Unnecessary semicolon."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports an unnecessary semicolon error.
+     * @param {Node|Token} nodeOrToken A node or a token to be reported.
+     * @returns {void}
+     */
+
+    function report(nodeOrToken) {
+      context.report({
+        node: nodeOrToken,
+        messageId: "unexpected",
+
+        fix(fixer) {
+          /*
+           * Expand the replacement range to include the surrounding
+           * tokens to avoid conflicting with semi.
+           * https://github.com/eslint/eslint/issues/7928
+           */
+          return new FixTracker(fixer, context.getSourceCode()).retainSurroundingTokens(nodeOrToken).remove(nodeOrToken);
+        }
+
+      });
+    }
+    /**
+     * Checks for a part of a class body.
+     * This checks tokens from a specified token to a next MethodDefinition or the end of class body.
+     * @param {Token} firstToken The first token to check.
+     * @returns {void}
+     */
+
+
+    function checkForPartOfClassBody(firstToken) {
+      for (let token = firstToken; token.type === "Punctuator" && !astUtils.isClosingBraceToken(token); token = sourceCode.getTokenAfter(token)) {
+        if (astUtils.isSemicolonToken(token)) {
+          report(token);
+        }
+      }
+    }
+
+    return {
+      /**
+       * Reports this empty statement, except if the parent node is a loop.
+       * @param {Node} node A EmptyStatement node to be reported.
+       * @returns {void}
+       */
+      EmptyStatement(node) {
+        const parent = node.parent,
+              allowedParentTypes = ["ForStatement", "ForInStatement", "ForOfStatement", "WhileStatement", "DoWhileStatement", "IfStatement", "LabeledStatement", "WithStatement"];
+
+        if (allowedParentTypes.indexOf(parent.type) === -1) {
+          report(node);
+        }
+      },
+
+      /**
+       * Checks tokens from the head of this class body to the first MethodDefinition or the end of this class body.
+       * @param {Node} node A ClassBody node to check.
+       * @returns {void}
+       */
+      ClassBody(node) {
+        checkForPartOfClassBody(sourceCode.getFirstToken(node, 1)); // 0 is `{`.
+      },
+
+      /**
+       * Checks tokens from this MethodDefinition to the next MethodDefinition or the end of this class body.
+       * @param {Node} node A MethodDefinition node of the start point.
+       * @returns {void}
+       */
+      MethodDefinition(node) {
+        checkForPartOfClassBody(sourceCode.getTokenAfter(node));
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 553 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag fall-through cases in switch statements.
+ * @author Matt DuVall <http://mattduvall.com/>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const DEFAULT_FALLTHROUGH_COMMENT = /falls?\s?through/iu;
+/**
+ * Checks whether or not a given node has a fallthrough comment.
+ * @param {ASTNode} node A SwitchCase node to get comments.
+ * @param {RuleContext} context A rule context which stores comments.
+ * @param {RegExp} fallthroughCommentPattern A pattern to match comment to.
+ * @returns {boolean} `true` if the node has a valid fallthrough comment.
+ */
+
+function hasFallthroughComment(node, context, fallthroughCommentPattern) {
+  const sourceCode = context.getSourceCode();
+  const comment = lodash.last(sourceCode.getCommentsBefore(node));
+  return Boolean(comment && fallthroughCommentPattern.test(comment.value));
+}
+/**
+ * Checks whether or not a given code path segment is reachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+
+function isReachable(segment) {
+  return segment.reachable;
+}
+/**
+ * Checks whether a node and a token are separated by blank lines
+ * @param {ASTNode} node The node to check
+ * @param {Token} token The token to compare against
+ * @returns {boolean} `true` if there are blank lines between node and token
+ */
+
+
+function hasBlankLinesBetween(node, token) {
+  return token.loc.start.line > node.loc.end.line + 1;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow fallthrough of `case` statements",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-fallthrough"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        commentPattern: {
+          type: "string",
+          default: ""
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      case: "Expected a 'break' statement before 'case'.",
+      default: "Expected a 'break' statement before 'default'."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    let currentCodePath = null;
+    const sourceCode = context.getSourceCode();
+    /*
+     * We need to use leading comments of the next SwitchCase node because
+     * trailing comments is wrong if semicolons are omitted.
+     */
+
+    let fallthroughCase = null;
+    let fallthroughCommentPattern = null;
+
+    if (options.commentPattern) {
+      fallthroughCommentPattern = new RegExp(options.commentPattern, "u");
+    } else {
+      fallthroughCommentPattern = DEFAULT_FALLTHROUGH_COMMENT;
+    }
+
+    return {
+      onCodePathStart(codePath) {
+        currentCodePath = codePath;
+      },
+
+      onCodePathEnd() {
+        currentCodePath = currentCodePath.upper;
+      },
+
+      SwitchCase(node) {
+        /*
+         * Checks whether or not there is a fallthrough comment.
+         * And reports the previous fallthrough node if that does not exist.
+         */
+        if (fallthroughCase && !hasFallthroughComment(node, context, fallthroughCommentPattern)) {
+          context.report({
+            messageId: node.test ? "case" : "default",
+            node
+          });
+        }
+
+        fallthroughCase = null;
+      },
+
+      "SwitchCase:exit"(node) {
+        const nextToken = sourceCode.getTokenAfter(node);
+        /*
+         * `reachable` meant fall through because statements preceded by
+         * `break`, `return`, or `throw` are unreachable.
+         * And allows empty cases and the last case.
+         */
+
+        if (currentCodePath.currentSegments.some(isReachable) && (node.consequent.length > 0 || hasBlankLinesBetween(node, nextToken)) && lodash.last(node.parent.cases) !== node) {
+          fallthroughCase = node;
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 554 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal
+ * @author James Allardice
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow leading or trailing decimal points in numeric literals",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-floating-decimal"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      leading: "A leading decimal point can be confused with a dot.",
+      trailing: "A trailing decimal point can be confused with a dot."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      Literal(node) {
+        if (typeof node.value === "number") {
+          if (node.raw.startsWith(".")) {
+            context.report({
+              node,
+              messageId: "leading",
+
+              fix(fixer) {
+                const tokenBefore = sourceCode.getTokenBefore(node);
+                const needsSpaceBefore = tokenBefore && tokenBefore.range[1] === node.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, "0".concat(node.raw));
+                return fixer.insertTextBefore(node, needsSpaceBefore ? " 0" : "0");
+              }
+
+            });
+          }
+
+          if (node.raw.indexOf(".") === node.raw.length - 1) {
+            context.report({
+              node,
+              messageId: "trailing",
+              fix: fixer => fixer.insertTextAfter(node, "0")
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 555 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of function declaration identifiers as variables.
+ * @author Ian Christian Myers
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow reassigning `function` declarations",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-func-assign"
+    },
+    schema: [],
+    messages: {
+      isAFunction: "'{{name}}' is a function."
+    }
+  },
+
+  create(context) {
+    /**
+     * Reports a reference if is non initializer and writable.
+     * @param {References} references Collection of reference to check.
+     * @returns {void}
+     */
+    function checkReference(references) {
+      astUtils.getModifyingReferences(references).forEach(reference => {
+        context.report({
+          node: reference.identifier,
+          messageId: "isAFunction",
+          data: {
+            name: reference.identifier.name
+          }
+        });
+      });
+    }
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+
+
+    function checkVariable(variable) {
+      if (variable.defs[0].type === "FunctionName") {
+        checkReference(variable.references);
+      }
+    }
+    /**
+     * Checks parameters of a given function node.
+     * @param {ASTNode} node A function node to check.
+     * @returns {void}
+     */
+
+
+    function checkForFunction(node) {
+      context.getDeclaredVariables(node).forEach(checkVariable);
+    }
+
+    return {
+      FunctionDeclaration: checkForFunction,
+      FunctionExpression: checkForFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 556 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow assignments to native objects or read-only global variables
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow assignments to native objects or read-only global variables",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-global-assign"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      globalShouldNotBeModified: "Read-only global '{{name}}' should not be modified."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0];
+    const exceptions = config && config.exceptions || [];
+    /**
+     * Reports write references.
+     * @param {Reference} reference A reference to check.
+     * @param {int} index The index of the reference in the references.
+     * @param {Reference[]} references The array that the reference belongs to.
+     * @returns {void}
+     */
+
+    function checkReference(reference, index, references) {
+      const identifier = reference.identifier;
+
+      if (reference.init === false && reference.isWrite() && (
+      /*
+       * Destructuring assignments can have multiple default value,
+       * so possibly there are multiple writeable references for the same identifier.
+       */
+      index === 0 || references[index - 1].identifier !== identifier)) {
+        context.report({
+          node: identifier,
+          messageId: "globalShouldNotBeModified",
+          data: {
+            name: identifier.name
+          }
+        });
+      }
+    }
+    /**
+     * Reports write references if a given variable is read-only builtin.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+
+
+    function checkVariable(variable) {
+      if (variable.writeable === false && exceptions.indexOf(variable.name) === -1) {
+        variable.references.forEach(checkReference);
+      }
+    }
+
+    return {
+      Program() {
+        const globalScope = context.getScope();
+        globalScope.variables.forEach(checkVariable);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 557 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow the type conversions with shorter notations.
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const INDEX_OF_PATTERN = /^(?:i|lastI)ndexOf$/u;
+const ALLOWABLE_OPERATORS = ["~", "!!", "+", "*"];
+/**
+ * Parses and normalizes an option object.
+ * @param {Object} options An option object to parse.
+ * @returns {Object} The parsed and normalized option object.
+ */
+
+function parseOptions(options) {
+  return {
+    boolean: "boolean" in options ? options.boolean : true,
+    number: "number" in options ? options.number : true,
+    string: "string" in options ? options.string : true,
+    allow: options.allow || []
+  };
+}
+/**
+ * Checks whether or not a node is a double logical nigating.
+ * @param {ASTNode} node An UnaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a double logical nigating.
+ */
+
+
+function isDoubleLogicalNegating(node) {
+  return node.operator === "!" && node.argument.type === "UnaryExpression" && node.argument.operator === "!";
+}
+/**
+ * Checks whether or not a node is a binary negating of `.indexOf()` method calling.
+ * @param {ASTNode} node An UnaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a binary negating of `.indexOf()` method calling.
+ */
+
+
+function isBinaryNegatingOfIndexOf(node) {
+  return node.operator === "~" && node.argument.type === "CallExpression" && node.argument.callee.type === "MemberExpression" && node.argument.callee.property.type === "Identifier" && INDEX_OF_PATTERN.test(node.argument.callee.property.name);
+}
+/**
+ * Checks whether or not a node is a multiplying by one.
+ * @param {BinaryExpression} node A BinaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a multiplying by one.
+ */
+
+
+function isMultiplyByOne(node) {
+  return node.operator === "*" && (node.left.type === "Literal" && node.left.value === 1 || node.right.type === "Literal" && node.right.value === 1);
+}
+/**
+ * Checks whether the result of a node is numeric or not
+ * @param {ASTNode} node The node to test
+ * @returns {boolean} true if the node is a number literal or a `Number()`, `parseInt` or `parseFloat` call
+ */
+
+
+function isNumeric(node) {
+  return node.type === "Literal" && typeof node.value === "number" || node.type === "CallExpression" && (node.callee.name === "Number" || node.callee.name === "parseInt" || node.callee.name === "parseFloat");
+}
+/**
+ * Returns the first non-numeric operand in a BinaryExpression. Designed to be
+ * used from bottom to up since it walks up the BinaryExpression trees using
+ * node.parent to find the result.
+ * @param {BinaryExpression} node The BinaryExpression node to be walked up on
+ * @returns {ASTNode|null} The first non-numeric item in the BinaryExpression tree or null
+ */
+
+
+function getNonNumericOperand(node) {
+  const left = node.left,
+        right = node.right;
+
+  if (right.type !== "BinaryExpression" && !isNumeric(right)) {
+    return right;
+  }
+
+  if (left.type !== "BinaryExpression" && !isNumeric(left)) {
+    return left;
+  }
+
+  return null;
+}
+/**
+ * Checks whether a node is an empty string literal or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} Whether or not the passed in node is an
+ * empty string literal or not.
+ */
+
+
+function isEmptyString(node) {
+  return astUtils.isStringLiteral(node) && (node.value === "" || node.type === "TemplateLiteral" && node.quasis.length === 1 && node.quasis[0].value.cooked === "");
+}
+/**
+ * Checks whether or not a node is a concatenating with an empty string.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {boolean} Whether or not the node is a concatenating with an empty string.
+ */
+
+
+function isConcatWithEmptyString(node) {
+  return node.operator === "+" && (isEmptyString(node.left) && !astUtils.isStringLiteral(node.right) || isEmptyString(node.right) && !astUtils.isStringLiteral(node.left));
+}
+/**
+ * Checks whether or not a node is appended with an empty string.
+ * @param {ASTNode} node An AssignmentExpression node to check.
+ * @returns {boolean} Whether or not the node is appended with an empty string.
+ */
+
+
+function isAppendEmptyString(node) {
+  return node.operator === "+=" && isEmptyString(node.right);
+}
+/**
+ * Returns the operand that is not an empty string from a flagged BinaryExpression.
+ * @param {ASTNode} node The flagged BinaryExpression node to check.
+ * @returns {ASTNode} The operand that is not an empty string from a flagged BinaryExpression.
+ */
+
+
+function getNonEmptyOperand(node) {
+  return isEmptyString(node.left) ? node.right : node.left;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow shorthand type conversions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-implicit-coercion"
+    },
+    fixable: "code",
+    schema: [{
+      type: "object",
+      properties: {
+        boolean: {
+          type: "boolean",
+          default: true
+        },
+        number: {
+          type: "boolean",
+          default: true
+        },
+        string: {
+          type: "boolean",
+          default: true
+        },
+        allow: {
+          type: "array",
+          items: {
+            enum: ALLOWABLE_OPERATORS
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      useRecommendation: "use `{{recommendation}}` instead."
+    }
+  },
+
+  create(context) {
+    const options = parseOptions(context.options[0] || {});
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports an error and autofixes the node
+     * @param {ASTNode} node An ast node to report the error on.
+     * @param {string} recommendation The recommended code for the issue
+     * @param {bool} shouldFix Whether this report should fix the node
+     * @returns {void}
+     */
+
+    function report(node, recommendation, shouldFix) {
+      context.report({
+        node,
+        messageId: "useRecommendation",
+        data: {
+          recommendation
+        },
+
+        fix(fixer) {
+          if (!shouldFix) {
+            return null;
+          }
+
+          const tokenBefore = sourceCode.getTokenBefore(node);
+
+          if (tokenBefore && tokenBefore.range[1] === node.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, recommendation)) {
+            return fixer.replaceText(node, " ".concat(recommendation));
+          }
+
+          return fixer.replaceText(node, recommendation);
+        }
+
+      });
+    }
+
+    return {
+      UnaryExpression(node) {
+        let operatorAllowed; // !!foo
+
+        operatorAllowed = options.allow.indexOf("!!") >= 0;
+
+        if (!operatorAllowed && options.boolean && isDoubleLogicalNegating(node)) {
+          const recommendation = "Boolean(".concat(sourceCode.getText(node.argument.argument), ")");
+          report(node, recommendation, true);
+        } // ~foo.indexOf(bar)
+
+
+        operatorAllowed = options.allow.indexOf("~") >= 0;
+
+        if (!operatorAllowed && options.boolean && isBinaryNegatingOfIndexOf(node)) {
+          const recommendation = "".concat(sourceCode.getText(node.argument), " !== -1");
+          report(node, recommendation, false);
+        } // +foo
+
+
+        operatorAllowed = options.allow.indexOf("+") >= 0;
+
+        if (!operatorAllowed && options.number && node.operator === "+" && !isNumeric(node.argument)) {
+          const recommendation = "Number(".concat(sourceCode.getText(node.argument), ")");
+          report(node, recommendation, true);
+        }
+      },
+
+      // Use `:exit` to prevent double reporting
+      "BinaryExpression:exit"(node) {
+        let operatorAllowed; // 1 * foo
+
+        operatorAllowed = options.allow.indexOf("*") >= 0;
+        const nonNumericOperand = !operatorAllowed && options.number && isMultiplyByOne(node) && getNonNumericOperand(node);
+
+        if (nonNumericOperand) {
+          const recommendation = "Number(".concat(sourceCode.getText(nonNumericOperand), ")");
+          report(node, recommendation, true);
+        } // "" + foo
+
+
+        operatorAllowed = options.allow.indexOf("+") >= 0;
+
+        if (!operatorAllowed && options.string && isConcatWithEmptyString(node)) {
+          const recommendation = "String(".concat(sourceCode.getText(getNonEmptyOperand(node)), ")");
+          report(node, recommendation, true);
+        }
+      },
+
+      AssignmentExpression(node) {
+        // foo += ""
+        const operatorAllowed = options.allow.indexOf("+") >= 0;
+
+        if (!operatorAllowed && options.string && isAppendEmptyString(node)) {
+          const code = sourceCode.getText(getNonEmptyOperand(node));
+          const recommendation = "".concat(code, " = String(").concat(code, ")");
+          report(node, recommendation, true);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 558 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for implicit global variables, functions and classes.
+ * @author Joshua Peek
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow declarations in the global scope",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-implicit-globals"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        lexicalBindings: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      globalNonLexicalBinding: "Unexpected {{kind}} declaration in the global scope, wrap in an IIFE for a local variable, assign as global property for a global variable.",
+      globalLexicalBinding: "Unexpected {{kind}} declaration in the global scope, wrap in a block or in an IIFE.",
+      globalVariableLeak: "Global variable leak, declare the variable if it is intended to be local.",
+      assignmentToReadonlyGlobal: "Unexpected assignment to read-only global variable.",
+      redeclarationOfReadonlyGlobal: "Unexpected redeclaration of read-only global variable."
+    }
+  },
+
+  create(context) {
+    const checkLexicalBindings = context.options[0] && context.options[0].lexicalBindings === true;
+    /**
+     * Reports the node.
+     * @param {ASTNode} node Node to report.
+     * @param {string} messageId Id of the message to report.
+     * @param {string|undefined} kind Declaration kind, can be 'var', 'const', 'let', function or class.
+     * @returns {void}
+     */
+
+    function report(node, messageId, kind) {
+      context.report({
+        node,
+        messageId,
+        data: {
+          kind
+        }
+      });
+    }
+
+    return {
+      Program() {
+        const scope = context.getScope();
+        scope.variables.forEach(variable => {
+          // Only ESLint global variables have the `writable` key.
+          const isReadonlyEslintGlobalVariable = variable.writeable === false;
+          const isWritableEslintGlobalVariable = variable.writeable === true;
+
+          if (isWritableEslintGlobalVariable) {
+            // Everything is allowed with writable ESLint global variables.
+            return;
+          }
+
+          variable.defs.forEach(def => {
+            const defNode = def.node;
+
+            if (def.type === "FunctionName" || def.type === "Variable" && def.parent.kind === "var") {
+              if (isReadonlyEslintGlobalVariable) {
+                report(defNode, "redeclarationOfReadonlyGlobal");
+              } else {
+                report(defNode, "globalNonLexicalBinding", def.type === "FunctionName" ? "function" : "'".concat(def.parent.kind, "'"));
+              }
+            }
+
+            if (checkLexicalBindings) {
+              if (def.type === "ClassName" || def.type === "Variable" && (def.parent.kind === "let" || def.parent.kind === "const")) {
+                if (isReadonlyEslintGlobalVariable) {
+                  report(defNode, "redeclarationOfReadonlyGlobal");
+                } else {
+                  report(defNode, "globalLexicalBinding", def.type === "ClassName" ? "class" : "'".concat(def.parent.kind, "'"));
+                }
+              }
+            }
+          });
+        }); // Undeclared assigned variables.
+
+        scope.implicit.variables.forEach(variable => {
+          const scopeVariable = scope.set.get(variable.name);
+          let messageId;
+
+          if (scopeVariable) {
+            // ESLint global variable
+            if (scopeVariable.writeable) {
+              return;
+            }
+
+            messageId = "assignmentToReadonlyGlobal";
+          } else {
+            // Reference to an unknown variable, possible global leak.
+            messageId = "globalVariableLeak";
+          } // def.node is an AssignmentExpression, ForInStatement or ForOfStatement.
+
+
+          variable.defs.forEach(def => {
+            report(def.node, messageId);
+          });
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 559 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of implied eval via setTimeout and setInterval
+ * @author James Allardice
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const {
+  getStaticValue
+} = __webpack_require__(549); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `eval()`-like methods",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-implied-eval"
+    },
+    schema: [],
+    messages: {
+      impliedEval: "Implied eval. Consider passing a function instead of a string."
+    }
+  },
+
+  create(context) {
+    const EVAL_LIKE_FUNCS = Object.freeze(["setTimeout", "execScript", "setInterval"]);
+    const GLOBAL_CANDIDATES = Object.freeze(["global", "window", "globalThis"]);
+    /**
+     * Checks whether a node is evaluated as a string or not.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} True if the node is evaluated as a string.
+     */
+
+    function isEvaluatedString(node) {
+      if (node.type === "Literal" && typeof node.value === "string" || node.type === "TemplateLiteral") {
+        return true;
+      }
+
+      if (node.type === "BinaryExpression" && node.operator === "+") {
+        return isEvaluatedString(node.left) || isEvaluatedString(node.right);
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether a node is an Identifier node named one of the specified names.
+     * @param {ASTNode} node A node to check.
+     * @param {string[]} specifiers Array of specified name.
+     * @returns {boolean} True if the node is a Identifier node which has specified name.
+     */
+
+
+    function isSpecifiedIdentifier(node, specifiers) {
+      return node.type === "Identifier" && specifiers.includes(node.name);
+    }
+    /**
+     * Checks a given node is a MemberExpression node which has the specified name's
+     * property.
+     * @param {ASTNode} node A node to check.
+     * @param {string[]} specifiers Array of specified name.
+     * @returns {boolean} `true` if the node is a MemberExpression node which has
+     *      the specified name's property
+     */
+
+
+    function isSpecifiedMember(node, specifiers) {
+      return node.type === "MemberExpression" && specifiers.includes(astUtils.getStaticPropertyName(node));
+    }
+    /**
+     * Reports if the `CallExpression` node has evaluated argument.
+     * @param {ASTNode} node A CallExpression to check.
+     * @returns {void}
+     */
+
+
+    function reportImpliedEvalCallExpression(node) {
+      const [firstArgument] = node.arguments;
+
+      if (firstArgument) {
+        const staticValue = getStaticValue(firstArgument, context.getScope());
+        const isStaticString = staticValue && typeof staticValue.value === "string";
+        const isString = isStaticString || isEvaluatedString(firstArgument);
+
+        if (isString) {
+          context.report({
+            node,
+            messageId: "impliedEval"
+          });
+        }
+      }
+    }
+    /**
+     * Reports calls of `implied eval` via the global references.
+     * @param {Variable} globalVar A global variable to check.
+     * @returns {void}
+     */
+
+
+    function reportImpliedEvalViaGlobal(globalVar) {
+      const {
+        references,
+        name
+      } = globalVar;
+      references.forEach(ref => {
+        const identifier = ref.identifier;
+        let node = identifier.parent;
+
+        while (isSpecifiedMember(node, [name])) {
+          node = node.parent;
+        }
+
+        if (isSpecifiedMember(node, EVAL_LIKE_FUNCS)) {
+          const parent = node.parent;
+
+          if (parent.type === "CallExpression" && parent.callee === node) {
+            reportImpliedEvalCallExpression(parent);
+          }
+        }
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      CallExpression(node) {
+        if (isSpecifiedIdentifier(node.callee, EVAL_LIKE_FUNCS)) {
+          reportImpliedEvalCallExpression(node);
+        }
+      },
+
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        GLOBAL_CANDIDATES.map(candidate => astUtils.getVariableByName(globalScope, candidate)).filter(globalVar => !!globalVar && globalVar.defs.length === 0).forEach(reportImpliedEvalViaGlobal);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 560 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag updates of imported bindings.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const {
+  findVariable,
+  getPropertyName
+} = __webpack_require__(549);
+
+const MutationMethods = {
+  Object: new Set(["assign", "defineProperties", "defineProperty", "freeze", "setPrototypeOf"]),
+  Reflect: new Set(["defineProperty", "deleteProperty", "set", "setPrototypeOf"])
+};
+/**
+ * Check if a given node is LHS of an assignment node.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is LHS.
+ */
+
+function isAssignmentLeft(node) {
+  const {
+    parent
+  } = node;
+  return parent.type === "AssignmentExpression" && parent.left === node || // Destructuring assignments
+  parent.type === "ArrayPattern" || parent.type === "Property" && parent.value === node && parent.parent.type === "ObjectPattern" || parent.type === "RestElement" || parent.type === "AssignmentPattern" && parent.left === node;
+}
+/**
+ * Check if a given node is the operand of mutation unary operator.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is the operand of mutation unary operator.
+ */
+
+
+function isOperandOfMutationUnaryOperator(node) {
+  const {
+    parent
+  } = node;
+  return parent.type === "UpdateExpression" && parent.argument === node || parent.type === "UnaryExpression" && parent.operator === "delete" && parent.argument === node;
+}
+/**
+ * Check if a given node is the iteration variable of `for-in`/`for-of` syntax.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is the iteration variable.
+ */
+
+
+function isIterationVariable(node) {
+  const {
+    parent
+  } = node;
+  return parent.type === "ForInStatement" && parent.left === node || parent.type === "ForOfStatement" && parent.left === node;
+}
+/**
+ * Check if a given node is the iteration variable of `for-in`/`for-of` syntax.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope A `escope.Scope` object to find variable (whichever).
+ * @returns {boolean} `true` if the node is the iteration variable.
+ */
+
+
+function isArgumentOfWellKnownMutationFunction(node, scope) {
+  const {
+    parent
+  } = node;
+
+  if (parent.type === "CallExpression" && parent.arguments[0] === node && parent.callee.type === "MemberExpression" && parent.callee.object.type === "Identifier") {
+    const {
+      callee
+    } = parent;
+    const {
+      object
+    } = callee;
+
+    if (Object.keys(MutationMethods).includes(object.name)) {
+      const variable = findVariable(scope, object);
+      return variable !== null && variable.scope.type === "global" && MutationMethods[object.name].has(getPropertyName(callee, scope));
+    }
+  }
+
+  return false;
+}
+/**
+ * Check if the identifier node is placed at to update members.
+ * @param {ASTNode} id The Identifier node to check.
+ * @param {Scope} scope A `escope.Scope` object to find variable (whichever).
+ * @returns {boolean} `true` if the member of `id` was updated.
+ */
+
+
+function isMemberWrite(id, scope) {
+  const {
+    parent
+  } = id;
+  return parent.type === "MemberExpression" && parent.object === id && (isAssignmentLeft(parent) || isOperandOfMutationUnaryOperator(parent) || isIterationVariable(parent)) || isArgumentOfWellKnownMutationFunction(id, scope);
+}
+/**
+ * Get the mutation node.
+ * @param {ASTNode} id The Identifier node to get.
+ * @returns {ASTNode} The mutation node.
+ */
+
+
+function getWriteNode(id) {
+  let node = id.parent;
+
+  while (node && node.type !== "AssignmentExpression" && node.type !== "UpdateExpression" && node.type !== "UnaryExpression" && node.type !== "CallExpression" && node.type !== "ForInStatement" && node.type !== "ForOfStatement") {
+    node = node.parent;
+  }
+
+  return node || id;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow assigning to imported bindings",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-import-assign"
+    },
+    schema: [],
+    messages: {
+      readonly: "'{{name}}' is read-only.",
+      readonlyMember: "The members of '{{name}}' are read-only."
+    }
+  },
+
+  create(context) {
+    return {
+      ImportDeclaration(node) {
+        const scope = context.getScope();
+
+        for (const variable of context.getDeclaredVariables(node)) {
+          const shouldCheckMembers = variable.defs.some(d => d.node.type === "ImportNamespaceSpecifier");
+          let prevIdNode = null;
+
+          for (const reference of variable.references) {
+            const idNode = reference.identifier;
+            /*
+             * AssignmentPattern (e.g. `[a = 0] = b`) makes two write
+             * references for the same identifier. This should skip
+             * the one of the two in order to prevent redundant reports.
+             */
+
+            if (idNode === prevIdNode) {
+              continue;
+            }
+
+            prevIdNode = idNode;
+
+            if (reference.isWrite()) {
+              context.report({
+                node: getWriteNode(idNode),
+                messageId: "readonly",
+                data: {
+                  name: idNode.name
+                }
+              });
+            } else if (shouldCheckMembers && isMemberWrite(idNode, scope)) {
+              context.report({
+                node: getWriteNode(idNode),
+                messageId: "readonlyMember",
+                data: {
+                  name: idNode.name
+                }
+              });
+            }
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 561 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforces or disallows inline comments.
+ * @author Greg Cochard
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow inline comments after code",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-inline-comments"
+    },
+    schema: [],
+    messages: {
+      unexpectedInlineComment: "Unexpected comment inline with code."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Will check that comments are not on lines starting with or ending with code
+     * @param {ASTNode} node The comment node to check
+     * @private
+     * @returns {void}
+     */
+
+    function testCodeAroundComment(node) {
+      const startLine = String(sourceCode.lines[node.loc.start.line - 1]),
+            endLine = String(sourceCode.lines[node.loc.end.line - 1]),
+            preamble = startLine.slice(0, node.loc.start.column).trim(),
+            postamble = endLine.slice(node.loc.end.column).trim(),
+            isPreambleEmpty = !preamble,
+            isPostambleEmpty = !postamble; // Nothing on both sides
+
+      if (isPreambleEmpty && isPostambleEmpty) {
+        return;
+      } // JSX Exception
+
+
+      if ((isPreambleEmpty || preamble === "{") && (isPostambleEmpty || postamble === "}")) {
+        const enclosingNode = sourceCode.getNodeByRangeIndex(node.range[0]);
+
+        if (enclosingNode && enclosingNode.type === "JSXEmptyExpression") {
+          return;
+        }
+      } // Don't report ESLint directive comments
+
+
+      if (astUtils.isDirectiveComment(node)) {
+        return;
+      }
+
+      context.report({
+        node,
+        messageId: "unexpectedInlineComment"
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program() {
+        const comments = sourceCode.getAllComments();
+        comments.filter(token => token.type !== "Shebang").forEach(testCodeAroundComment);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 562 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce declarations in program or function body root.
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow variable or `function` declarations in nested blocks",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-inner-declarations"
+    },
+    schema: [{
+      enum: ["functions", "both"]
+    }],
+    messages: {
+      moveDeclToRoot: "Move {{type}} declaration to {{body}} root."
+    }
+  },
+
+  create(context) {
+    /**
+     * Find the nearest Program or Function ancestor node.
+     * @returns {Object} Ancestor's type and distance from node.
+     */
+    function nearestBody() {
+      const ancestors = context.getAncestors();
+      let ancestor = ancestors.pop(),
+          generation = 1;
+
+      while (ancestor && ["Program", "FunctionDeclaration", "FunctionExpression", "ArrowFunctionExpression"].indexOf(ancestor.type) < 0) {
+        generation += 1;
+        ancestor = ancestors.pop();
+      }
+
+      return {
+        // Type of containing ancestor
+        type: ancestor.type,
+        // Separation between ancestor and node
+        distance: generation
+      };
+    }
+    /**
+     * Ensure that a given node is at a program or function body's root.
+     * @param {ASTNode} node Declaration node to check.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      const body = nearestBody(),
+            valid = body.type === "Program" && body.distance === 1 || body.distance === 2;
+
+      if (!valid) {
+        context.report({
+          node,
+          messageId: "moveDeclToRoot",
+          data: {
+            type: node.type === "FunctionDeclaration" ? "function" : "variable",
+            body: body.type === "Program" ? "program" : "function body"
+          }
+        });
+      }
+    }
+
+    return {
+      FunctionDeclaration: check,
+
+      VariableDeclaration(node) {
+        if (context.options[0] === "both" && node.kind === "var") {
+          check(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 563 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Validate strings passed to the RegExp constructor
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const RegExpValidator = __webpack_require__(527).RegExpValidator;
+
+const validator = new RegExpValidator({
+  ecmaVersion: 2018
+});
+const validFlags = /[gimuys]/gu;
+const undefined1 = void 0; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow invalid regular expression strings in `RegExp` constructors",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-invalid-regexp"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowConstructorFlags: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      regexMessage: "{{message}}."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0];
+    let allowedFlags = null;
+
+    if (options && options.allowConstructorFlags) {
+      const temp = options.allowConstructorFlags.join("").replace(validFlags, "");
+
+      if (temp) {
+        allowedFlags = new RegExp("[".concat(temp, "]"), "giu");
+      }
+    }
+    /**
+     * Check if node is a string
+     * @param {ASTNode} node node to evaluate
+     * @returns {boolean} True if its a string
+     * @private
+     */
+
+
+    function isString(node) {
+      return node && node.type === "Literal" && typeof node.value === "string";
+    }
+    /**
+     * Check syntax error in a given pattern.
+     * @param {string} pattern The RegExp pattern to validate.
+     * @param {boolean} uFlag The Unicode flag.
+     * @returns {string|null} The syntax error.
+     */
+
+
+    function validateRegExpPattern(pattern, uFlag) {
+      try {
+        validator.validatePattern(pattern, undefined1, undefined1, uFlag);
+        return null;
+      } catch (err) {
+        return err.message;
+      }
+    }
+    /**
+     * Check syntax error in a given flags.
+     * @param {string} flags The RegExp flags to validate.
+     * @returns {string|null} The syntax error.
+     */
+
+
+    function validateRegExpFlags(flags) {
+      try {
+        validator.validateFlags(flags);
+        return null;
+      } catch (err) {
+        return "Invalid flags supplied to RegExp constructor '".concat(flags, "'");
+      }
+    }
+
+    return {
+      "CallExpression, NewExpression"(node) {
+        if (node.callee.type !== "Identifier" || node.callee.name !== "RegExp" || !isString(node.arguments[0])) {
+          return;
+        }
+
+        const pattern = node.arguments[0].value;
+        let flags = isString(node.arguments[1]) ? node.arguments[1].value : "";
+
+        if (allowedFlags) {
+          flags = flags.replace(allowedFlags, "");
+        } // If flags are unknown, check both are errored or not.
+
+
+        const message = validateRegExpFlags(flags) || (flags ? validateRegExpPattern(pattern, flags.indexOf("u") !== -1) : validateRegExpPattern(pattern, true) && validateRegExpPattern(pattern, false));
+
+        if (message) {
+          context.report({
+            node,
+            messageId: "regexMessage",
+            data: {
+              message
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 564 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow `this` keywords outside of classes or class-like objects.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `this` keywords outside of classes or class-like objects",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-invalid-this"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        capIsConstructor: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedThis: "Unexpected 'this'."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const capIsConstructor = options.capIsConstructor !== false;
+    const stack = [],
+          sourceCode = context.getSourceCode();
+    /**
+     * Gets the current checking context.
+     *
+     * The return value has a flag that whether or not `this` keyword is valid.
+     * The flag is initialized when got at the first time.
+     * @returns {{valid: boolean}}
+     *   an object which has a flag that whether or not `this` keyword is valid.
+     */
+
+    stack.getCurrent = function () {
+      const current = this[this.length - 1];
+
+      if (!current.init) {
+        current.init = true;
+        current.valid = !astUtils.isDefaultThisBinding(current.node, sourceCode, {
+          capIsConstructor
+        });
+      }
+
+      return current;
+    };
+    /**
+     * Pushs new checking context into the stack.
+     *
+     * The checking context is not initialized yet.
+     * Because most functions don't have `this` keyword.
+     * When `this` keyword was found, the checking context is initialized.
+     * @param {ASTNode} node A function node that was entered.
+     * @returns {void}
+     */
+
+
+    function enterFunction(node) {
+      // `this` can be invalid only under strict mode.
+      stack.push({
+        init: !context.getScope().isStrict,
+        node,
+        valid: true
+      });
+    }
+    /**
+     * Pops the current checking context from the stack.
+     * @returns {void}
+     */
+
+
+    function exitFunction() {
+      stack.pop();
+    }
+
+    return {
+      /*
+       * `this` is invalid only under strict mode.
+       * Modules is always strict mode.
+       */
+      Program(node) {
+        const scope = context.getScope(),
+              features = context.parserOptions.ecmaFeatures || {};
+        stack.push({
+          init: true,
+          node,
+          valid: !(scope.isStrict || node.sourceType === "module" || features.globalReturn && scope.childScopes[0].isStrict)
+        });
+      },
+
+      "Program:exit"() {
+        stack.pop();
+      },
+
+      FunctionDeclaration: enterFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      FunctionExpression: enterFunction,
+      "FunctionExpression:exit": exitFunction,
+
+      // Reports if `this` of the current context is invalid.
+      ThisExpression(node) {
+        const current = stack.getCurrent();
+
+        if (current && !current.valid) {
+          context.report({
+            node,
+            messageId: "unexpectedThis"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 565 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow whitespace that is not a tab or space, whitespace inside strings and comments are allowed
+ * @author Jonathan Kingston
+ * @author Christophe Porteneuve
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+
+const ALL_IRREGULARS = /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000\u2028\u2029]/u;
+const IRREGULAR_WHITESPACE = /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000]+/mgu;
+const IRREGULAR_LINE_TERMINATORS = /[\u2028\u2029]/mgu;
+const LINE_BREAK = astUtils.createGlobalLinebreakMatcher(); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow irregular whitespace",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-irregular-whitespace"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        skipComments: {
+          type: "boolean",
+          default: false
+        },
+        skipStrings: {
+          type: "boolean",
+          default: true
+        },
+        skipTemplates: {
+          type: "boolean",
+          default: false
+        },
+        skipRegExps: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      noIrregularWhitespace: "Irregular whitespace not allowed."
+    }
+  },
+
+  create(context) {
+    // Module store of errors that we have found
+    let errors = []; // Lookup the `skipComments` option, which defaults to `false`.
+
+    const options = context.options[0] || {};
+    const skipComments = !!options.skipComments;
+    const skipStrings = options.skipStrings !== false;
+    const skipRegExps = !!options.skipRegExps;
+    const skipTemplates = !!options.skipTemplates;
+    const sourceCode = context.getSourceCode();
+    const commentNodes = sourceCode.getAllComments();
+    /**
+     * Removes errors that occur inside a string node
+     * @param {ASTNode} node to check for matching errors.
+     * @returns {void}
+     * @private
+     */
+
+    function removeWhitespaceError(node) {
+      const locStart = node.loc.start;
+      const locEnd = node.loc.end;
+      errors = errors.filter(({
+        loc: errorLoc
+      }) => {
+        if (errorLoc.line >= locStart.line && errorLoc.line <= locEnd.line) {
+          if (errorLoc.column >= locStart.column && (errorLoc.column <= locEnd.column || errorLoc.line < locEnd.line)) {
+            return false;
+          }
+        }
+
+        return true;
+      });
+    }
+    /**
+     * Checks identifier or literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+     * @param {ASTNode} node to check for matching errors.
+     * @returns {void}
+     * @private
+     */
+
+
+    function removeInvalidNodeErrorsInIdentifierOrLiteral(node) {
+      const shouldCheckStrings = skipStrings && typeof node.value === "string";
+      const shouldCheckRegExps = skipRegExps && Boolean(node.regex);
+
+      if (shouldCheckStrings || shouldCheckRegExps) {
+        // If we have irregular characters remove them from the errors list
+        if (ALL_IRREGULARS.test(node.raw)) {
+          removeWhitespaceError(node);
+        }
+      }
+    }
+    /**
+     * Checks template string literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+     * @param {ASTNode} node to check for matching errors.
+     * @returns {void}
+     * @private
+     */
+
+
+    function removeInvalidNodeErrorsInTemplateLiteral(node) {
+      if (typeof node.value.raw === "string") {
+        if (ALL_IRREGULARS.test(node.value.raw)) {
+          removeWhitespaceError(node);
+        }
+      }
+    }
+    /**
+     * Checks comment nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors
+     * @param {ASTNode} node to check for matching errors.
+     * @returns {void}
+     * @private
+     */
+
+
+    function removeInvalidNodeErrorsInComment(node) {
+      if (ALL_IRREGULARS.test(node.value)) {
+        removeWhitespaceError(node);
+      }
+    }
+    /**
+     * Checks the program source for irregular whitespace
+     * @param {ASTNode} node The program node
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForIrregularWhitespace(node) {
+      const sourceLines = sourceCode.lines;
+      sourceLines.forEach((sourceLine, lineIndex) => {
+        const lineNumber = lineIndex + 1;
+        let match;
+
+        while ((match = IRREGULAR_WHITESPACE.exec(sourceLine)) !== null) {
+          const location = {
+            line: lineNumber,
+            column: match.index
+          };
+          errors.push({
+            node,
+            messageId: "noIrregularWhitespace",
+            loc: location
+          });
+        }
+      });
+    }
+    /**
+     * Checks the program source for irregular line terminators
+     * @param {ASTNode} node The program node
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForIrregularLineTerminators(node) {
+      const source = sourceCode.getText(),
+            sourceLines = sourceCode.lines,
+            linebreaks = source.match(LINE_BREAK);
+      let lastLineIndex = -1,
+          match;
+
+      while ((match = IRREGULAR_LINE_TERMINATORS.exec(source)) !== null) {
+        const lineIndex = linebreaks.indexOf(match[0], lastLineIndex + 1) || 0;
+        const location = {
+          line: lineIndex + 1,
+          column: sourceLines[lineIndex].length
+        };
+        errors.push({
+          node,
+          messageId: "noIrregularWhitespace",
+          loc: location
+        });
+        lastLineIndex = lineIndex;
+      }
+    }
+    /**
+     * A no-op function to act as placeholder for comment accumulation when the `skipComments` option is `false`.
+     * @returns {void}
+     * @private
+     */
+
+
+    function noop() {}
+
+    const nodes = {};
+
+    if (ALL_IRREGULARS.test(sourceCode.getText())) {
+      nodes.Program = function (node) {
+        /*
+         * As we can easily fire warnings for all white space issues with
+         * all the source its simpler to fire them here.
+         * This means we can check all the application code without having
+         * to worry about issues caused in the parser tokens.
+         * When writing this code also evaluating per node was missing out
+         * connecting tokens in some cases.
+         * We can later filter the errors when they are found to be not an
+         * issue in nodes we don't care about.
+         */
+        checkForIrregularWhitespace(node);
+        checkForIrregularLineTerminators(node);
+      };
+
+      nodes.Identifier = removeInvalidNodeErrorsInIdentifierOrLiteral;
+      nodes.Literal = removeInvalidNodeErrorsInIdentifierOrLiteral;
+      nodes.TemplateElement = skipTemplates ? removeInvalidNodeErrorsInTemplateLiteral : noop;
+
+      nodes["Program:exit"] = function () {
+        if (skipComments) {
+          // First strip errors occurring in comment nodes.
+          commentNodes.forEach(removeInvalidNodeErrorsInComment);
+        } // If we have any errors remaining report on them
+
+
+        errors.forEach(error => context.report(error));
+      };
+    } else {
+      nodes.Program = noop;
+    }
+
+    return nodes;
+  }
+
+};
+
+/***/ }),
+/* 566 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag usage of __iterator__ property
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  getStaticPropertyName
+} = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of the `__iterator__` property",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-iterator"
+    },
+    schema: [],
+    messages: {
+      noIterator: "Reserved name '__iterator__'."
+    }
+  },
+
+  create(context) {
+    return {
+      MemberExpression(node) {
+        if (getStaticPropertyName(node) === "__iterator__") {
+          context.report({
+            node,
+            messageId: "noIterator"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 567 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag labels that are the same as an identifier
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow labels that share a name with a variable",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-label-var"
+    },
+    schema: [],
+    messages: {
+      identifierClashWithLabel: "Found identifier with same name as label."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Check if the identifier is present inside current scope
+     * @param {Object} scope current scope
+     * @param {string} name To evaluate
+     * @returns {boolean} True if its present
+     * @private
+     */
+    function findIdentifier(scope, name) {
+      return astUtils.getVariableByName(scope, name) !== null;
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      LabeledStatement(node) {
+        // Fetch the innermost scope.
+        const scope = context.getScope();
+        /*
+         * Recursively find the identifier walking up the scope, starting
+         * with the innermost scope.
+         */
+
+        if (findIdentifier(scope, node.label.name)) {
+          context.report({
+            node,
+            messageId: "identifierClashWithLabel"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 568 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow Labeled Statements
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow labeled statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-labels"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowLoop: {
+          type: "boolean",
+          default: false
+        },
+        allowSwitch: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedLabel: "Unexpected labeled statement.",
+      unexpectedLabelInBreak: "Unexpected label in break statement.",
+      unexpectedLabelInContinue: "Unexpected label in continue statement."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0];
+    const allowLoop = options && options.allowLoop;
+    const allowSwitch = options && options.allowSwitch;
+    let scopeInfo = null;
+    /**
+     * Gets the kind of a given node.
+     * @param {ASTNode} node A node to get.
+     * @returns {string} The kind of the node.
+     */
+
+    function getBodyKind(node) {
+      if (astUtils.isLoop(node)) {
+        return "loop";
+      }
+
+      if (node.type === "SwitchStatement") {
+        return "switch";
+      }
+
+      return "other";
+    }
+    /**
+     * Checks whether the label of a given kind is allowed or not.
+     * @param {string} kind A kind to check.
+     * @returns {boolean} `true` if the kind is allowed.
+     */
+
+
+    function isAllowed(kind) {
+      switch (kind) {
+        case "loop":
+          return allowLoop;
+
+        case "switch":
+          return allowSwitch;
+
+        default:
+          return false;
+      }
+    }
+    /**
+     * Checks whether a given name is a label of a loop or not.
+     * @param {string} label A name of a label to check.
+     * @returns {boolean} `true` if the name is a label of a loop.
+     */
+
+
+    function getKind(label) {
+      let info = scopeInfo;
+
+      while (info) {
+        if (info.label === label) {
+          return info.kind;
+        }
+
+        info = info.upper;
+      }
+      /* istanbul ignore next: syntax error */
+
+
+      return "other";
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      LabeledStatement(node) {
+        scopeInfo = {
+          label: node.label.name,
+          kind: getBodyKind(node.body),
+          upper: scopeInfo
+        };
+      },
+
+      "LabeledStatement:exit"(node) {
+        if (!isAllowed(scopeInfo.kind)) {
+          context.report({
+            node,
+            messageId: "unexpectedLabel"
+          });
+        }
+
+        scopeInfo = scopeInfo.upper;
+      },
+
+      BreakStatement(node) {
+        if (node.label && !isAllowed(getKind(node.label.name))) {
+          context.report({
+            node,
+            messageId: "unexpectedLabelInBreak"
+          });
+        }
+      },
+
+      ContinueStatement(node) {
+        if (node.label && !isAllowed(getKind(node.label.name))) {
+          context.report({
+            node,
+            messageId: "unexpectedLabelInContinue"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 569 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag blocks with no reason to exist
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary nested blocks",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-lone-blocks"
+    },
+    schema: [],
+    messages: {
+      redundantBlock: "Block is redundant.",
+      redundantNestedBlock: "Nested block is redundant."
+    }
+  },
+
+  create(context) {
+    // A stack of lone blocks to be checked for block-level bindings
+    const loneBlocks = [];
+    let ruleDef;
+    /**
+     * Reports a node as invalid.
+     * @param {ASTNode} node The node to be reported.
+     * @returns {void}
+     */
+
+    function report(node) {
+      const messageId = node.parent.type === "BlockStatement" ? "redundantNestedBlock" : "redundantBlock";
+      context.report({
+        node,
+        messageId
+      });
+    }
+    /**
+     * Checks for any ocurrence of a BlockStatement in a place where lists of statements can appear
+     * @param {ASTNode} node The node to check
+     * @returns {boolean} True if the node is a lone block.
+     */
+
+
+    function isLoneBlock(node) {
+      return node.parent.type === "BlockStatement" || node.parent.type === "Program" || // Don't report blocks in switch cases if the block is the only statement of the case.
+      node.parent.type === "SwitchCase" && !(node.parent.consequent[0] === node && node.parent.consequent.length === 1);
+    }
+    /**
+     * Checks the enclosing block of the current node for block-level bindings,
+     * and "marks it" as valid if any.
+     * @returns {void}
+     */
+
+
+    function markLoneBlock() {
+      if (loneBlocks.length === 0) {
+        return;
+      }
+
+      const block = context.getAncestors().pop();
+
+      if (loneBlocks[loneBlocks.length - 1] === block) {
+        loneBlocks.pop();
+      }
+    } // Default rule definition: report all lone blocks
+
+
+    ruleDef = {
+      BlockStatement(node) {
+        if (isLoneBlock(node)) {
+          report(node);
+        }
+      }
+
+    }; // ES6: report blocks without block-level bindings, or that's only child of another block
+
+    if (context.parserOptions.ecmaVersion >= 6) {
+      ruleDef = {
+        BlockStatement(node) {
+          if (isLoneBlock(node)) {
+            loneBlocks.push(node);
+          }
+        },
+
+        "BlockStatement:exit"(node) {
+          if (loneBlocks.length > 0 && loneBlocks[loneBlocks.length - 1] === node) {
+            loneBlocks.pop();
+            report(node);
+          } else if (node.parent.type === "BlockStatement" && node.parent.body.length === 1) {
+            report(node);
+          }
+        }
+
+      };
+
+      ruleDef.VariableDeclaration = function (node) {
+        if (node.kind === "let" || node.kind === "const") {
+          markLoneBlock();
+        }
+      };
+
+      ruleDef.FunctionDeclaration = function () {
+        if (context.getScope().isStrict) {
+          markLoneBlock();
+        }
+      };
+
+      ruleDef.ClassDeclaration = markLoneBlock;
+    }
+
+    return ruleDef;
+  }
+
+};
+
+/***/ }),
+/* 570 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow if as the only statement in an else block
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `if` statements as the only statement in `else` blocks",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-lonely-if"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unexpectedLonelyIf: "Unexpected if as the only statement in an else block."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      IfStatement(node) {
+        const ancestors = context.getAncestors(),
+              parent = ancestors.pop(),
+              grandparent = ancestors.pop();
+
+        if (parent && parent.type === "BlockStatement" && parent.body.length === 1 && grandparent && grandparent.type === "IfStatement" && parent === grandparent.alternate) {
+          context.report({
+            node,
+            messageId: "unexpectedLonelyIf",
+
+            fix(fixer) {
+              const openingElseCurly = sourceCode.getFirstToken(parent);
+              const closingElseCurly = sourceCode.getLastToken(parent);
+              const elseKeyword = sourceCode.getTokenBefore(openingElseCurly);
+              const tokenAfterElseBlock = sourceCode.getTokenAfter(closingElseCurly);
+              const lastIfToken = sourceCode.getLastToken(node.consequent);
+              const sourceText = sourceCode.getText();
+
+              if (sourceText.slice(openingElseCurly.range[1], node.range[0]).trim() || sourceText.slice(node.range[1], closingElseCurly.range[0]).trim()) {
+                // Don't fix if there are any non-whitespace characters interfering (e.g. comments)
+                return null;
+              }
+
+              if (node.consequent.type !== "BlockStatement" && lastIfToken.value !== ";" && tokenAfterElseBlock && (node.consequent.loc.end.line === tokenAfterElseBlock.loc.start.line || /^[([/+`-]/u.test(tokenAfterElseBlock.value) || lastIfToken.value === "++" || lastIfToken.value === "--")) {
+                /*
+                 * If the `if` statement has no block, and is not followed by a semicolon, make sure that fixing
+                 * the issue would not change semantics due to ASI. If this would happen, don't do a fix.
+                 */
+                return null;
+              }
+
+              return fixer.replaceTextRange([openingElseCurly.range[0], closingElseCurly.range[1]], (elseKeyword.range[1] === openingElseCurly.range[0] ? " " : "") + sourceCode.getText(node));
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 571 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag creation of function inside a loop
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the containing loop node of a specified node.
+ *
+ * We don't need to check nested functions, so this ignores those.
+ * `Scope.through` contains references of nested functions.
+ * @param {ASTNode} node An AST node to get.
+ * @returns {ASTNode|null} The containing loop node of the specified node, or
+ *      `null`.
+ */
+
+function getContainingLoopNode(node) {
+  for (let currentNode = node; currentNode.parent; currentNode = currentNode.parent) {
+    const parent = currentNode.parent;
+
+    switch (parent.type) {
+      case "WhileStatement":
+      case "DoWhileStatement":
+        return parent;
+
+      case "ForStatement":
+        // `init` is outside of the loop.
+        if (parent.init !== currentNode) {
+          return parent;
+        }
+
+        break;
+
+      case "ForInStatement":
+      case "ForOfStatement":
+        // `right` is outside of the loop.
+        if (parent.right !== currentNode) {
+          return parent;
+        }
+
+        break;
+
+      case "ArrowFunctionExpression":
+      case "FunctionExpression":
+      case "FunctionDeclaration":
+        // We don't need to check nested functions.
+        return null;
+
+      default:
+        break;
+    }
+  }
+
+  return null;
+}
+/**
+ * Gets the containing loop node of a given node.
+ * If the loop was nested, this returns the most outer loop.
+ * @param {ASTNode} node A node to get. This is a loop node.
+ * @param {ASTNode|null} excludedNode A node that the result node should not
+ *      include.
+ * @returns {ASTNode} The most outer loop node.
+ */
+
+
+function getTopLoopNode(node, excludedNode) {
+  const border = excludedNode ? excludedNode.range[1] : 0;
+  let retv = node;
+  let containingLoopNode = node;
+
+  while (containingLoopNode && containingLoopNode.range[0] >= border) {
+    retv = containingLoopNode;
+    containingLoopNode = getContainingLoopNode(containingLoopNode);
+  }
+
+  return retv;
+}
+/**
+ * Checks whether a given reference which refers to an upper scope's variable is
+ * safe or not.
+ * @param {ASTNode} loopNode A containing loop node.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is safe or not.
+ */
+
+
+function isSafe(loopNode, reference) {
+  const variable = reference.resolved;
+  const definition = variable && variable.defs[0];
+  const declaration = definition && definition.parent;
+  const kind = declaration && declaration.type === "VariableDeclaration" ? declaration.kind : ""; // Variables which are declared by `const` is safe.
+
+  if (kind === "const") {
+    return true;
+  }
+  /*
+   * Variables which are declared by `let` in the loop is safe.
+   * It's a different instance from the next loop step's.
+   */
+
+
+  if (kind === "let" && declaration.range[0] > loopNode.range[0] && declaration.range[1] < loopNode.range[1]) {
+    return true;
+  }
+  /*
+   * WriteReferences which exist after this border are unsafe because those
+   * can modify the variable.
+   */
+
+
+  const border = getTopLoopNode(loopNode, kind === "let" ? declaration : null).range[0];
+  /**
+   * Checks whether a given reference is safe or not.
+   * The reference is every reference of the upper scope's variable we are
+   * looking now.
+   *
+   * It's safeafe if the reference matches one of the following condition.
+   * - is readonly.
+   * - doesn't exist inside a local function and after the border.
+   * @param {eslint-scope.Reference} upperRef A reference to check.
+   * @returns {boolean} `true` if the reference is safe.
+   */
+
+  function isSafeReference(upperRef) {
+    const id = upperRef.identifier;
+    return !upperRef.isWrite() || variable.scope.variableScope === upperRef.from.variableScope && id.range[0] < border;
+  }
+
+  return Boolean(variable) && variable.references.every(isSafeReference);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow function declarations that contain unsafe references inside loop statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-loop-func"
+    },
+    schema: [],
+    messages: {
+      unsafeRefs: "Function declared in a loop contains unsafe references to variable(s) {{ varNames }}."
+    }
+  },
+
+  create(context) {
+    /**
+     * Reports functions which match the following condition:
+     *
+     * - has a loop node in ancestors.
+     * - has any references which refers to an unsafe variable.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {boolean} Whether or not the node is within a loop.
+     */
+    function checkForLoops(node) {
+      const loopNode = getContainingLoopNode(node);
+
+      if (!loopNode) {
+        return;
+      }
+
+      const references = context.getScope().through;
+      const unsafeRefs = references.filter(r => !isSafe(loopNode, r)).map(r => r.identifier.name);
+
+      if (unsafeRefs.length > 0) {
+        context.report({
+          node,
+          messageId: "unsafeRefs",
+          data: {
+            varNames: "'".concat(unsafeRefs.join("', '"), "'")
+          }
+        });
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: checkForLoops,
+      FunctionExpression: checkForLoops,
+      FunctionDeclaration: checkForLoops
+    };
+  }
+
+};
+
+/***/ }),
+/* 572 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag statements that use magic numbers (adapted from https://github.com/danielstjules/buddy.js)
+ * @author Vincent Lemeunier
+ */
+
+
+const {
+  isNumericLiteral
+} = __webpack_require__(426); // Maximum array length by the ECMAScript Specification.
+
+
+const MAX_ARRAY_LENGTH = 2 ** 32 - 1; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Convert the value to bigint if it's a string. Otherwise return the value as-is.
+ * @param {bigint|number|string} x The value to normalize.
+ * @returns {bigint|number} The normalized value.
+ */
+
+function normalizeIgnoreValue(x) {
+  if (typeof x === "string") {
+    return BigInt(x.slice(0, -1));
+  }
+
+  return x;
+}
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow magic numbers",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-magic-numbers"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        detectObjects: {
+          type: "boolean",
+          default: false
+        },
+        enforceConst: {
+          type: "boolean",
+          default: false
+        },
+        ignore: {
+          type: "array",
+          items: {
+            anyOf: [{
+              type: "number"
+            }, {
+              type: "string",
+              pattern: "^[+-]?(?:0|[1-9][0-9]*)n$"
+            }]
+          },
+          uniqueItems: true
+        },
+        ignoreArrayIndexes: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      useConst: "Number constants declarations must use 'const'.",
+      noMagic: "No magic number: {{raw}}."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || {},
+          detectObjects = !!config.detectObjects,
+          enforceConst = !!config.enforceConst,
+          ignore = (config.ignore || []).map(normalizeIgnoreValue),
+          ignoreArrayIndexes = !!config.ignoreArrayIndexes;
+    const okTypes = detectObjects ? [] : ["ObjectExpression", "Property", "AssignmentExpression"];
+    /**
+     * Returns whether the rule is configured to ignore the given value
+     * @param {bigint|number} value The value to check
+     * @returns {boolean} true if the value is ignored
+     */
+
+    function isIgnoredValue(value) {
+      return ignore.indexOf(value) !== -1;
+    }
+    /**
+     * Returns whether the given node is used as a radix within parseInt() or Number.parseInt()
+     * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+     * @returns {boolean} true if the node is radix
+     */
+
+
+    function isParseIntRadix(fullNumberNode) {
+      const parent = fullNumberNode.parent;
+      return parent.type === "CallExpression" && fullNumberNode === parent.arguments[1] && (parent.callee.name === "parseInt" || parent.callee.type === "MemberExpression" && parent.callee.object.name === "Number" && parent.callee.property.name === "parseInt");
+    }
+    /**
+     * Returns whether the given node is a direct child of a JSX node.
+     * In particular, it aims to detect numbers used as prop values in JSX tags.
+     * Example: <input maxLength={10} />
+     * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+     * @returns {boolean} true if the node is a JSX number
+     */
+
+
+    function isJSXNumber(fullNumberNode) {
+      return fullNumberNode.parent.type.indexOf("JSX") === 0;
+    }
+    /**
+     * Returns whether the given node is used as an array index.
+     * Value must coerce to a valid array index name: "0", "1", "2" ... "4294967294".
+     *
+     * All other values, like "-1", "2.5", or "4294967295", are just "normal" object properties,
+     * which can be created and accessed on an array in addition to the array index properties,
+     * but they don't affect array's length and are not considered by methods such as .map(), .forEach() etc.
+     *
+     * The maximum array length by the specification is 2 ** 32 - 1 = 4294967295,
+     * thus the maximum valid index is 2 ** 32 - 2 = 4294967294.
+     *
+     * All notations are allowed, as long as the value coerces to one of "0", "1", "2" ... "4294967294".
+     *
+     * Valid examples:
+     * a[0], a[1], a[1.2e1], a[0xAB], a[0n], a[1n]
+     * a[-0] (same as a[0] because -0 coerces to "0")
+     * a[-0n] (-0n evaluates to 0n)
+     *
+     * Invalid examples:
+     * a[-1], a[-0xAB], a[-1n], a[2.5], a[1.23e1], a[12e-1]
+     * a[4294967295] (above the max index, it's an access to a regular property a["4294967295"])
+     * a[999999999999999999999] (even if it wasn't above the max index, it would be a["1e+21"])
+     * a[1e310] (same as a["Infinity"])
+     * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
+     * @param {bigint|number} value Value expressed by the fullNumberNode
+     * @returns {boolean} true if the node is a valid array index
+     */
+
+
+    function isArrayIndex(fullNumberNode, value) {
+      const parent = fullNumberNode.parent;
+      return parent.type === "MemberExpression" && parent.property === fullNumberNode && (Number.isInteger(value) || typeof value === "bigint") && value >= 0 && value < MAX_ARRAY_LENGTH;
+    }
+
+    return {
+      Literal(node) {
+        if (!isNumericLiteral(node)) {
+          return;
+        }
+
+        let fullNumberNode;
+        let value;
+        let raw; // Treat unary minus as a part of the number
+
+        if (node.parent.type === "UnaryExpression" && node.parent.operator === "-") {
+          fullNumberNode = node.parent;
+          value = -node.value;
+          raw = "-".concat(node.raw);
+        } else {
+          fullNumberNode = node;
+          value = node.value;
+          raw = node.raw;
+        } // Always allow radix arguments and JSX props
+
+
+        if (isIgnoredValue(value) || isParseIntRadix(fullNumberNode) || isJSXNumber(fullNumberNode) || ignoreArrayIndexes && isArrayIndex(fullNumberNode, value)) {
+          return;
+        }
+
+        const parent = fullNumberNode.parent;
+
+        if (parent.type === "VariableDeclarator") {
+          if (enforceConst && parent.parent.kind !== "const") {
+            context.report({
+              node: fullNumberNode,
+              messageId: "useConst"
+            });
+          }
+        } else if (okTypes.indexOf(parent.type) === -1 || parent.type === "AssignmentExpression" && parent.left.type === "Identifier") {
+          context.report({
+            node: fullNumberNode,
+            messageId: "noMagic",
+            data: {
+              raw
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 573 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker,
+  getStringIfConstant
+} = __webpack_require__(549);
+
+const {
+  RegExpParser,
+  visitRegExpAST
+} = __webpack_require__(527);
+
+const {
+  isCombiningCharacter,
+  isEmojiModifier,
+  isRegionalIndicatorSymbol,
+  isSurrogatePair
+} = __webpack_require__(574); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Iterate character sequences of a given nodes.
+ *
+ * CharacterClassRange syntax can steal a part of character sequence,
+ * so this function reverts CharacterClassRange syntax and restore the sequence.
+ * @param {regexpp.AST.CharacterClassElement[]} nodes The node list to iterate character sequences.
+ * @returns {IterableIterator<number[]>} The list of character sequences.
+ */
+
+
+function* iterateCharacterSequence(nodes) {
+  let seq = [];
+
+  for (const node of nodes) {
+    switch (node.type) {
+      case "Character":
+        seq.push(node.value);
+        break;
+
+      case "CharacterClassRange":
+        seq.push(node.min.value);
+        yield seq;
+        seq = [node.max.value];
+        break;
+
+      case "CharacterSet":
+        if (seq.length > 0) {
+          yield seq;
+          seq = [];
+        }
+
+        break;
+      // no default
+    }
+  }
+
+  if (seq.length > 0) {
+    yield seq;
+  }
+}
+
+const hasCharacterSequence = {
+  surrogatePairWithoutUFlag(chars) {
+    return chars.some((c, i) => i !== 0 && isSurrogatePair(chars[i - 1], c));
+  },
+
+  combiningClass(chars) {
+    return chars.some((c, i) => i !== 0 && isCombiningCharacter(c) && !isCombiningCharacter(chars[i - 1]));
+  },
+
+  emojiModifier(chars) {
+    return chars.some((c, i) => i !== 0 && isEmojiModifier(c) && !isEmojiModifier(chars[i - 1]));
+  },
+
+  regionalIndicatorSymbol(chars) {
+    return chars.some((c, i) => i !== 0 && isRegionalIndicatorSymbol(c) && isRegionalIndicatorSymbol(chars[i - 1]));
+  },
+
+  zwj(chars) {
+    const lastIndex = chars.length - 1;
+    return chars.some((c, i) => i !== 0 && i !== lastIndex && c === 0x200d && chars[i - 1] !== 0x200d && chars[i + 1] !== 0x200d);
+  }
+
+};
+const kinds = Object.keys(hasCharacterSequence); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow characters which are made with multiple code points in character class syntax",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-misleading-character-class"
+    },
+    schema: [],
+    messages: {
+      surrogatePairWithoutUFlag: "Unexpected surrogate pair in character class. Use 'u' flag.",
+      combiningClass: "Unexpected combined character in character class.",
+      emojiModifier: "Unexpected modified Emoji in character class.",
+      regionalIndicatorSymbol: "Unexpected national flag in character class.",
+      zwj: "Unexpected joined character sequence in character class."
+    }
+  },
+
+  create(context) {
+    const parser = new RegExpParser();
+    /**
+     * Verify a given regular expression.
+     * @param {Node} node The node to report.
+     * @param {string} pattern The regular expression pattern to verify.
+     * @param {string} flags The flags of the regular expression.
+     * @returns {void}
+     */
+
+    function verify(node, pattern, flags) {
+      const has = {
+        surrogatePairWithoutUFlag: false,
+        combiningClass: false,
+        variationSelector: false,
+        emojiModifier: false,
+        regionalIndicatorSymbol: false,
+        zwj: false
+      };
+      let patternNode;
+
+      try {
+        patternNode = parser.parsePattern(pattern, 0, pattern.length, flags.includes("u"));
+      } catch (e) {
+        // Ignore regular expressions with syntax errors
+        return;
+      }
+
+      visitRegExpAST(patternNode, {
+        onCharacterClassEnter(ccNode) {
+          for (const chars of iterateCharacterSequence(ccNode.elements)) {
+            for (const kind of kinds) {
+              has[kind] = has[kind] || hasCharacterSequence[kind](chars);
+            }
+          }
+        }
+
+      });
+
+      for (const kind of kinds) {
+        if (has[kind]) {
+          context.report({
+            node,
+            messageId: kind
+          });
+        }
+      }
+    }
+
+    return {
+      "Literal[regex]"(node) {
+        verify(node, node.regex.pattern, node.regex.flags);
+      },
+
+      "Program"() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        /*
+         * Iterate calls of RegExp.
+         * E.g., `new RegExp()`, `RegExp()`, `new window.RegExp()`,
+         *       `const {RegExp: a} = window; new a()`, etc...
+         */
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences({
+          RegExp: {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          }
+        })) {
+          const [patternNode, flagsNode] = node.arguments;
+          const pattern = getStringIfConstant(patternNode, scope);
+          const flags = getStringIfConstant(flagsNode, scope);
+
+          if (typeof pattern === "string") {
+            verify(node, pattern, flags || "");
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 574 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+module.exports = {
+  isCombiningCharacter: __webpack_require__(575),
+  isEmojiModifier: __webpack_require__(576),
+  isRegionalIndicatorSymbol: __webpack_require__(577),
+  isSurrogatePair: __webpack_require__(578)
+};
+
+/***/ }),
+/* 575 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+/**
+ * Check whether a given character is a combining mark or not.
+ * @param {number} codePoint The character code to check.
+ * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`.
+ */
+
+module.exports = function isCombiningCharacter(codePoint) {
+  return /^[\u0300-\u036F\u0483-\u0489\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08D3-\u08E1\u08E3-\u0903\u093A-\u093C\u093E-\u094F\u0951-\u0957\u0962\u0963\u0981-\u0983\u09BC\u09BE-\u09C4\u09C7\u09C8\u09CB-\u09CD\u09D7\u09E2\u09E3\u09FE\u0A01-\u0A03\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81-\u0A83\u0ABC\u0ABE-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AE2\u0AE3\u0AFA-\u0AFF\u0B01-\u0B03\u0B3C\u0B3E-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B55-\u0B57\u0B62\u0B63\u0B82\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD7\u0C00-\u0C04\u0C3E-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C81-\u0C83\u0CBC\u0CBE-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CE2\u0CE3\u0D00-\u0D03\u0D3B\u0D3C\u0D3E-\u0D44\u0D46-\u0D48\u0D4A-\u0D4D\u0D57\u0D62\u0D63\u0D81-\u0D83\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DF2\u0DF3\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F3E\u0F3F\u0F71-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102B-\u103E\u1056-\u1059\u105E-\u1060\u1062-\u1064\u1067-\u106D\u1071-\u1074\u1082-\u108D\u108F\u109A-\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4-\u17D3\u17DD\u180B-\u180D\u1885\u1886\u18A9\u1920-\u192B\u1930-\u193B\u1A17-\u1A1B\u1A55-\u1A5E\u1A60-\u1A7C\u1A7F\u1AB0-\u1AC0\u1B00-\u1B04\u1B34-\u1B44\u1B6B-\u1B73\u1B80-\u1B82\u1BA1-\u1BAD\u1BE6-\u1BF3\u1C24-\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE8\u1CED\u1CF4\u1CF7-\u1CF9\u1DC0-\u1DF9\u1DFB-\u1DFF\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302F\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA823-\uA827\uA82C\uA880\uA881\uA8B4-\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA953\uA980-\uA983\uA9B3-\uA9C0\uA9E5\uAA29-\uAA36\uAA43\uAA4C\uAA4D\uAA7B-\uAA7D\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEB-\uAAEF\uAAF5\uAAF6\uABE3-\uABEA\uABEC\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\u{101FD}\u{102E0}\u{10376}-\u{1037A}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10D24}-\u{10D27}\u{10EAB}\u{10EAC}\u{10F46}-\u{10F50}\u{11000}-\u{11002}\u{11038}-\u{11046}\u{1107F}-\u{11082}\u{110B0}-\u{110BA}\u{11100}-\u{11102}\u{11127}-\u{11134}\u{11145}\u{11146}\u{11173}\u{11180}-\u{11182}\u{111B3}-\u{111C0}\u{111C9}-\u{111CC}\u{111CE}\u{111CF}\u{1122C}-\u{11237}\u{1123E}\u{112DF}-\u{112EA}\u{11300}-\u{11303}\u{1133B}\u{1133C}\u{1133E}-\u{11344}\u{11347}\u{11348}\u{1134B}-\u{1134D}\u{11357}\u{11362}\u{11363}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11435}-\u{11446}\u{1145E}\u{114B0}-\u{114C3}\u{115AF}-\u{115B5}\u{115B8}-\u{115C0}\u{115DC}\u{115DD}\u{11630}-\u{11640}\u{116AB}-\u{116B7}\u{1171D}-\u{1172B}\u{1182C}-\u{1183A}\u{11930}-\u{11935}\u{11937}\u{11938}\u{1193B}-\u{1193E}\u{11940}\u{11942}\u{11943}\u{119D1}-\u{119D7}\u{119DA}-\u{119E0}\u{119E4}\u{11A01}-\u{11A0A}\u{11A33}-\u{11A39}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A5B}\u{11A8A}-\u{11A99}\u{11C2F}-\u{11C36}\u{11C38}-\u{11C3F}\u{11C92}-\u{11CA7}\u{11CA9}-\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D8A}-\u{11D8E}\u{11D90}\u{11D91}\u{11D93}-\u{11D97}\u{11EF3}-\u{11EF6}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F51}-\u{16F87}\u{16F8F}-\u{16F92}\u{16FE4}\u{16FF0}\u{16FF1}\u{1BC9D}\u{1BC9E}\u{1D165}-\u{1D169}\u{1D16D}-\u{1D172}\u{1D17B}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D242}-\u{1D244}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2EC}-\u{1E2EF}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94A}\u{E0100}-\u{E01EF}]$/u.test(String.fromCodePoint(codePoint));
+};
+
+/***/ }),
+/* 576 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+/**
+ * Check whether a given character is an emoji modifier.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is an emoji modifier.
+ */
+
+module.exports = function isEmojiModifier(code) {
+  return code >= 0x1F3FB && code <= 0x1F3FF;
+};
+
+/***/ }),
+/* 577 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+/**
+ * Check whether a given character is a regional indicator symbol.
+ * @param {number} code The character code to check.
+ * @returns {boolean} `true` if the character is a regional indicator symbol.
+ */
+
+module.exports = function isRegionalIndicatorSymbol(code) {
+  return code >= 0x1F1E6 && code <= 0x1F1FF;
+};
+
+/***/ }),
+/* 578 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+/**
+ * Check whether given two characters are a surrogate pair.
+ * @param {number} lead The code of the lead character.
+ * @param {number} tail The code of the tail character.
+ * @returns {boolean} `true` if the character pair is a surrogate pair.
+ */
+
+module.exports = function isSurrogatePair(lead, tail) {
+  return lead >= 0xD800 && lead < 0xDC00 && tail >= 0xDC00 && tail < 0xE000;
+};
+
+/***/ }),
+/* 579 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow mixed binary operators.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const ARITHMETIC_OPERATORS = ["+", "-", "*", "/", "%", "**"];
+const BITWISE_OPERATORS = ["&", "|", "^", "~", "<<", ">>", ">>>"];
+const COMPARISON_OPERATORS = ["==", "!=", "===", "!==", ">", ">=", "<", "<="];
+const LOGICAL_OPERATORS = ["&&", "||"];
+const RELATIONAL_OPERATORS = ["in", "instanceof"];
+const TERNARY_OPERATOR = ["?:"];
+const ALL_OPERATORS = [].concat(ARITHMETIC_OPERATORS, BITWISE_OPERATORS, COMPARISON_OPERATORS, LOGICAL_OPERATORS, RELATIONAL_OPERATORS, TERNARY_OPERATOR);
+const DEFAULT_GROUPS = [ARITHMETIC_OPERATORS, BITWISE_OPERATORS, COMPARISON_OPERATORS, LOGICAL_OPERATORS, RELATIONAL_OPERATORS];
+const TARGET_NODE_TYPE = /^(?:Binary|Logical|Conditional)Expression$/u;
+/**
+ * Normalizes options.
+ * @param {Object|undefined} options A options object to normalize.
+ * @returns {Object} Normalized option object.
+ */
+
+function normalizeOptions(options = {}) {
+  const hasGroups = options.groups && options.groups.length > 0;
+  const groups = hasGroups ? options.groups : DEFAULT_GROUPS;
+  const allowSamePrecedence = options.allowSamePrecedence !== false;
+  return {
+    groups,
+    allowSamePrecedence
+  };
+}
+/**
+ * Checks whether any group which includes both given operator exists or not.
+ * @param {Array.<string[]>} groups A list of groups to check.
+ * @param {string} left An operator.
+ * @param {string} right Another operator.
+ * @returns {boolean} `true` if such group existed.
+ */
+
+
+function includesBothInAGroup(groups, left, right) {
+  return groups.some(group => group.indexOf(left) !== -1 && group.indexOf(right) !== -1);
+}
+/**
+ * Checks whether the given node is a conditional expression and returns the test node else the left node.
+ * @param {ASTNode} node A node which can be a BinaryExpression or a LogicalExpression node.
+ * This parent node can be BinaryExpression, LogicalExpression
+ *      , or a ConditionalExpression node
+ * @returns {ASTNode} node the appropriate node(left or test).
+ */
+
+
+function getChildNode(node) {
+  return node.type === "ConditionalExpression" ? node.test : node.left;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow mixed binary operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-mixed-operators"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        groups: {
+          type: "array",
+          items: {
+            type: "array",
+            items: {
+              enum: ALL_OPERATORS
+            },
+            minItems: 2,
+            uniqueItems: true
+          },
+          uniqueItems: true
+        },
+        allowSamePrecedence: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedMixedOperator: "Unexpected mix of '{{leftOperator}}' and '{{rightOperator}}'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const options = normalizeOptions(context.options[0]);
+    /**
+     * Checks whether a given node should be ignored by options or not.
+     * @param {ASTNode} node A node to check. This is a BinaryExpression
+     *      node or a LogicalExpression node. This parent node is one of
+     *      them, too.
+     * @returns {boolean} `true` if the node should be ignored.
+     */
+
+    function shouldIgnore(node) {
+      const a = node;
+      const b = node.parent;
+      return !includesBothInAGroup(options.groups, a.operator, b.type === "ConditionalExpression" ? "?:" : b.operator) || options.allowSamePrecedence && astUtils.getPrecedence(a) === astUtils.getPrecedence(b);
+    }
+    /**
+     * Checks whether the operator of a given node is mixed with parent
+     * node's operator or not.
+     * @param {ASTNode} node A node to check. This is a BinaryExpression
+     *      node or a LogicalExpression node. This parent node is one of
+     *      them, too.
+     * @returns {boolean} `true` if the node was mixed.
+     */
+
+
+    function isMixedWithParent(node) {
+      return node.operator !== node.parent.operator && !astUtils.isParenthesised(sourceCode, node);
+    }
+    /**
+     * Checks whether the operator of a given node is mixed with a
+     * conditional expression.
+     * @param {ASTNode} node A node to check. This is a conditional
+     *      expression node
+     * @returns {boolean} `true` if the node was mixed.
+     */
+
+
+    function isMixedWithConditionalParent(node) {
+      return !astUtils.isParenthesised(sourceCode, node) && !astUtils.isParenthesised(sourceCode, node.test);
+    }
+    /**
+     * Gets the operator token of a given node.
+     * @param {ASTNode} node A node to check. This is a BinaryExpression
+     *      node or a LogicalExpression node.
+     * @returns {Token} The operator token of the node.
+     */
+
+
+    function getOperatorToken(node) {
+      return sourceCode.getTokenAfter(getChildNode(node), astUtils.isNotClosingParenToken);
+    }
+    /**
+     * Reports both the operator of a given node and the operator of the
+     * parent node.
+     * @param {ASTNode} node A node to check. This is a BinaryExpression
+     *      node or a LogicalExpression node. This parent node is one of
+     *      them, too.
+     * @returns {void}
+     */
+
+
+    function reportBothOperators(node) {
+      const parent = node.parent;
+      const left = getChildNode(parent) === node ? node : parent;
+      const right = getChildNode(parent) !== node ? node : parent;
+      const data = {
+        leftOperator: left.operator || "?:",
+        rightOperator: right.operator || "?:"
+      };
+      context.report({
+        node: left,
+        loc: getOperatorToken(left).loc,
+        messageId: "unexpectedMixedOperator",
+        data
+      });
+      context.report({
+        node: right,
+        loc: getOperatorToken(right).loc,
+        messageId: "unexpectedMixedOperator",
+        data
+      });
+    }
+    /**
+     * Checks between the operator of this node and the operator of the
+     * parent node.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      if (TARGET_NODE_TYPE.test(node.parent.type)) {
+        if (node.parent.type === "ConditionalExpression" && !shouldIgnore(node) && isMixedWithConditionalParent(node.parent)) {
+          reportBothOperators(node);
+        } else {
+          if (TARGET_NODE_TYPE.test(node.parent.type) && isMixedWithParent(node) && !shouldIgnore(node)) {
+            reportBothOperators(node);
+          }
+        }
+      }
+    }
+
+    return {
+      BinaryExpression: check,
+      LogicalExpression: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 580 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce grouped require statements for Node.JS
+ * @author Raphael Pigulla
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `require` calls to be mixed with regular variable declarations",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-mixed-requires"
+    },
+    schema: [{
+      oneOf: [{
+        type: "boolean"
+      }, {
+        type: "object",
+        properties: {
+          grouping: {
+            type: "boolean"
+          },
+          allowCall: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      noMixRequire: "Do not mix 'require' and other declarations.",
+      noMixCoreModuleFileComputed: "Do not mix core, module, file and computed requires."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0];
+    let grouping = false,
+        allowCall = false;
+
+    if (typeof options === "object") {
+      grouping = options.grouping;
+      allowCall = options.allowCall;
+    } else {
+      grouping = !!options;
+    }
+    /**
+     * Returns the list of built-in modules.
+     * @returns {string[]} An array of built-in Node.js modules.
+     */
+
+
+    function getBuiltinModules() {
+      /*
+       * This list is generated using:
+       * `require("repl")._builtinLibs.concat('repl').sort()`
+       * This particular list is as per nodejs v0.12.2 and iojs v0.7.1
+       */
+      return ["assert", "buffer", "child_process", "cluster", "crypto", "dgram", "dns", "domain", "events", "fs", "http", "https", "net", "os", "path", "punycode", "querystring", "readline", "repl", "smalloc", "stream", "string_decoder", "tls", "tty", "url", "util", "v8", "vm", "zlib"];
+    }
+
+    const BUILTIN_MODULES = getBuiltinModules();
+    const DECL_REQUIRE = "require",
+          DECL_UNINITIALIZED = "uninitialized",
+          DECL_OTHER = "other";
+    const REQ_CORE = "core",
+          REQ_FILE = "file",
+          REQ_MODULE = "module",
+          REQ_COMPUTED = "computed";
+    /**
+     * Determines the type of a declaration statement.
+     * @param {ASTNode} initExpression The init node of the VariableDeclarator.
+     * @returns {string} The type of declaration represented by the expression.
+     */
+
+    function getDeclarationType(initExpression) {
+      if (!initExpression) {
+        // "var x;"
+        return DECL_UNINITIALIZED;
+      }
+
+      if (initExpression.type === "CallExpression" && initExpression.callee.type === "Identifier" && initExpression.callee.name === "require") {
+        // "var x = require('util');"
+        return DECL_REQUIRE;
+      }
+
+      if (allowCall && initExpression.type === "CallExpression" && initExpression.callee.type === "CallExpression") {
+        // "var x = require('diagnose')('sub-module');"
+        return getDeclarationType(initExpression.callee);
+      }
+
+      if (initExpression.type === "MemberExpression") {
+        // "var x = require('glob').Glob;"
+        return getDeclarationType(initExpression.object);
+      } // "var x = 42;"
+
+
+      return DECL_OTHER;
+    }
+    /**
+     * Determines the type of module that is loaded via require.
+     * @param {ASTNode} initExpression The init node of the VariableDeclarator.
+     * @returns {string} The module type.
+     */
+
+
+    function inferModuleType(initExpression) {
+      if (initExpression.type === "MemberExpression") {
+        // "var x = require('glob').Glob;"
+        return inferModuleType(initExpression.object);
+      }
+
+      if (initExpression.arguments.length === 0) {
+        // "var x = require();"
+        return REQ_COMPUTED;
+      }
+
+      const arg = initExpression.arguments[0];
+
+      if (arg.type !== "Literal" || typeof arg.value !== "string") {
+        // "var x = require(42);"
+        return REQ_COMPUTED;
+      }
+
+      if (BUILTIN_MODULES.indexOf(arg.value) !== -1) {
+        // "var fs = require('fs');"
+        return REQ_CORE;
+      }
+
+      if (/^\.{0,2}\//u.test(arg.value)) {
+        // "var utils = require('./utils');"
+        return REQ_FILE;
+      } // "var async = require('async');"
+
+
+      return REQ_MODULE;
+    }
+    /**
+     * Check if the list of variable declarations is mixed, i.e. whether it
+     * contains both require and other declarations.
+     * @param {ASTNode} declarations The list of VariableDeclarators.
+     * @returns {boolean} True if the declarations are mixed, false if not.
+     */
+
+
+    function isMixed(declarations) {
+      const contains = {};
+      declarations.forEach(declaration => {
+        const type = getDeclarationType(declaration.init);
+        contains[type] = true;
+      });
+      return !!(contains[DECL_REQUIRE] && (contains[DECL_UNINITIALIZED] || contains[DECL_OTHER]));
+    }
+    /**
+     * Check if all require declarations in the given list are of the same
+     * type.
+     * @param {ASTNode} declarations The list of VariableDeclarators.
+     * @returns {boolean} True if the declarations are grouped, false if not.
+     */
+
+
+    function isGrouped(declarations) {
+      const found = {};
+      declarations.forEach(declaration => {
+        if (getDeclarationType(declaration.init) === DECL_REQUIRE) {
+          found[inferModuleType(declaration.init)] = true;
+        }
+      });
+      return Object.keys(found).length <= 1;
+    }
+
+    return {
+      VariableDeclaration(node) {
+        if (isMixed(node.declarations)) {
+          context.report({
+            node,
+            messageId: "noMixRequire"
+          });
+        } else if (grouping && !isGrouped(node.declarations)) {
+          context.report({
+            node,
+            messageId: "noMixCoreModuleFileComputed"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 581 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow mixed spaces and tabs for indentation
+ * @author Jary Niebur
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow mixed spaces and tabs for indentation",
+      category: "Stylistic Issues",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-mixed-spaces-and-tabs"
+    },
+    schema: [{
+      enum: ["smart-tabs", true, false]
+    }],
+    messages: {
+      mixedSpacesAndTabs: "Mixed spaces and tabs."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let smartTabs;
+
+    switch (context.options[0]) {
+      case true: // Support old syntax, maybe add deprecation warning here
+
+      case "smart-tabs":
+        smartTabs = true;
+        break;
+
+      default:
+        smartTabs = false;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      "Program:exit"(node) {
+        const lines = sourceCode.lines,
+              comments = sourceCode.getAllComments(),
+              ignoredCommentLines = new Set(); // Add all lines except the first ones.
+
+        comments.forEach(comment => {
+          for (let i = comment.loc.start.line + 1; i <= comment.loc.end.line; i++) {
+            ignoredCommentLines.add(i);
+          }
+        });
+        /*
+         * At least one space followed by a tab
+         * or the reverse before non-tab/-space
+         * characters begin.
+         */
+
+        let regex = /^(?=[\t ]*(\t | \t))/u;
+
+        if (smartTabs) {
+          /*
+           * At least one space followed by a tab
+           * before non-tab/-space characters begin.
+           */
+          regex = /^(?=[\t ]* \t)/u;
+        }
+
+        lines.forEach((line, i) => {
+          const match = regex.exec(line);
+
+          if (match) {
+            const lineNumber = i + 1,
+                  column = match.index + 1,
+                  loc = {
+              line: lineNumber,
+              column
+            };
+
+            if (!ignoredCommentLines.has(lineNumber)) {
+              const containingNode = sourceCode.getNodeByRangeIndex(sourceCode.getIndexFromLoc(loc));
+
+              if (!(containingNode && ["Literal", "TemplateElement"].includes(containingNode.type))) {
+                context.report({
+                  node,
+                  loc,
+                  messageId: "mixedSpacesAndTabs"
+                });
+              }
+            }
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 582 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check use of chained assignment expressions
+ * @author Stewart Rand
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow use of chained assignment expressions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-multi-assign"
+    },
+    schema: [],
+    messages: {
+      unexpectedChain: "Unexpected chained assignment."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+    return {
+      AssignmentExpression(node) {
+        if (["AssignmentExpression", "VariableDeclarator"].indexOf(node.parent.type) !== -1) {
+          context.report({
+            node,
+            messageId: "unexpectedChain"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 583 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow use of multiple spaces.
+ * @author Nicholas C. Zakas
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow multiple spaces",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-multi-spaces"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "object",
+          patternProperties: {
+            "^([A-Z][a-z]*)+$": {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        },
+        ignoreEOLComments: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      multipleSpaces: "Multiple spaces found before '{{displayValue}}'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const options = context.options[0] || {};
+    const ignoreEOLComments = options.ignoreEOLComments;
+    const exceptions = Object.assign({
+      Property: true
+    }, options.exceptions);
+    const hasExceptions = Object.keys(exceptions).filter(key => exceptions[key]).length > 0;
+    /**
+     * Formats value of given comment token for error message by truncating its length.
+     * @param {Token} token comment token
+     * @returns {string} formatted value
+     * @private
+     */
+
+    function formatReportedCommentValue(token) {
+      const valueLines = token.value.split("\n");
+      const value = valueLines[0];
+      const formattedValue = "".concat(value.slice(0, 12), "...");
+      return valueLines.length === 1 && value.length <= 12 ? value : formattedValue;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program() {
+        sourceCode.tokensAndComments.forEach((leftToken, leftIndex, tokensAndComments) => {
+          if (leftIndex === tokensAndComments.length - 1) {
+            return;
+          }
+
+          const rightToken = tokensAndComments[leftIndex + 1]; // Ignore tokens that don't have 2 spaces between them or are on different lines
+
+          if (!sourceCode.text.slice(leftToken.range[1], rightToken.range[0]).includes("  ") || leftToken.loc.end.line < rightToken.loc.start.line) {
+            return;
+          } // Ignore comments that are the last token on their line if `ignoreEOLComments` is active.
+
+
+          if (ignoreEOLComments && astUtils.isCommentToken(rightToken) && (leftIndex === tokensAndComments.length - 2 || rightToken.loc.end.line < tokensAndComments[leftIndex + 2].loc.start.line)) {
+            return;
+          } // Ignore tokens that are in a node in the "exceptions" object
+
+
+          if (hasExceptions) {
+            const parentNode = sourceCode.getNodeByRangeIndex(rightToken.range[0] - 1);
+
+            if (parentNode && exceptions[parentNode.type]) {
+              return;
+            }
+          }
+
+          let displayValue;
+
+          if (rightToken.type === "Block") {
+            displayValue = "/*".concat(formatReportedCommentValue(rightToken), "*/");
+          } else if (rightToken.type === "Line") {
+            displayValue = "//".concat(formatReportedCommentValue(rightToken));
+          } else {
+            displayValue = rightToken.value;
+          }
+
+          context.report({
+            node: rightToken,
+            loc: {
+              start: leftToken.loc.end,
+              end: rightToken.loc.start
+            },
+            messageId: "multipleSpaces",
+            data: {
+              displayValue
+            },
+            fix: fixer => fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], " ")
+          });
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 584 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when using multiline strings
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow multiline strings",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-multi-str"
+    },
+    schema: [],
+    messages: {
+      multilineString: "Multiline support is limited to browsers supporting ES5 only."
+    }
+  },
+
+  create(context) {
+    /**
+     * Determines if a given node is part of JSX syntax.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} True if the node is a JSX node, false if not.
+     * @private
+     */
+    function isJSXElement(node) {
+      return node.type.indexOf("JSX") === 0;
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Literal(node) {
+        if (astUtils.LINEBREAK_MATCHER.test(node.raw) && !isJSXElement(node.parent)) {
+          context.report({
+            node,
+            messageId: "multilineString"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 585 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows multiple blank lines.
+ * implementation adapted from the no-trailing-spaces rule.
+ * @author Greg Cochard
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow multiple empty lines",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-multiple-empty-lines"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        max: {
+          type: "integer",
+          minimum: 0
+        },
+        maxEOF: {
+          type: "integer",
+          minimum: 0
+        },
+        maxBOF: {
+          type: "integer",
+          minimum: 0
+        }
+      },
+      required: ["max"],
+      additionalProperties: false
+    }],
+    messages: {
+      blankBeginningOfFile: "Too many blank lines at the beginning of file. Max of {{max}} allowed.",
+      blankEndOfFile: "Too many blank lines at the end of file. Max of {{max}} allowed.",
+      consecutiveBlank: "More than {{max}} blank {{pluralizedLines}} not allowed."
+    }
+  },
+
+  create(context) {
+    // Use options.max or 2 as default
+    let max = 2,
+        maxEOF = max,
+        maxBOF = max;
+
+    if (context.options.length) {
+      max = context.options[0].max;
+      maxEOF = typeof context.options[0].maxEOF !== "undefined" ? context.options[0].maxEOF : max;
+      maxBOF = typeof context.options[0].maxBOF !== "undefined" ? context.options[0].maxBOF : max;
+    }
+
+    const sourceCode = context.getSourceCode(); // Swallow the final newline, as some editors add it automatically and we don't want it to cause an issue
+
+    const allLines = sourceCode.lines[sourceCode.lines.length - 1] === "" ? sourceCode.lines.slice(0, -1) : sourceCode.lines;
+    const templateLiteralLines = new Set(); //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    return {
+      TemplateLiteral(node) {
+        node.quasis.forEach(literalPart => {
+          // Empty lines have a semantic meaning if they're inside template literals. Don't count these as empty lines.
+          for (let ignoredLine = literalPart.loc.start.line; ignoredLine < literalPart.loc.end.line; ignoredLine++) {
+            templateLiteralLines.add(ignoredLine);
+          }
+        });
+      },
+
+      "Program:exit"(node) {
+        return allLines // Given a list of lines, first get a list of line numbers that are non-empty.
+        .reduce((nonEmptyLineNumbers, line, index) => {
+          if (line.trim() || templateLiteralLines.has(index + 1)) {
+            nonEmptyLineNumbers.push(index + 1);
+          }
+
+          return nonEmptyLineNumbers;
+        }, []) // Add a value at the end to allow trailing empty lines to be checked.
+        .concat(allLines.length + 1) // Given two line numbers of non-empty lines, report the lines between if the difference is too large.
+        .reduce((lastLineNumber, lineNumber) => {
+          let messageId, maxAllowed;
+
+          if (lastLineNumber === 0) {
+            messageId = "blankBeginningOfFile";
+            maxAllowed = maxBOF;
+          } else if (lineNumber === allLines.length + 1) {
+            messageId = "blankEndOfFile";
+            maxAllowed = maxEOF;
+          } else {
+            messageId = "consecutiveBlank";
+            maxAllowed = max;
+          }
+
+          if (lineNumber - lastLineNumber - 1 > maxAllowed) {
+            context.report({
+              node,
+              loc: {
+                start: {
+                  line: lastLineNumber + maxAllowed + 1,
+                  column: 0
+                },
+                end: {
+                  line: lineNumber,
+                  column: 0
+                }
+              },
+              messageId,
+              data: {
+                max: maxAllowed,
+                pluralizedLines: maxAllowed === 1 ? "line" : "lines"
+              },
+
+              fix(fixer) {
+                const rangeStart = sourceCode.getIndexFromLoc({
+                  line: lastLineNumber + 1,
+                  column: 0
+                });
+                /*
+                 * The end of the removal range is usually the start index of the next line.
+                 * However, at the end of the file there is no next line, so the end of the
+                 * range is just the length of the text.
+                 */
+
+                const lineNumberAfterRemovedLines = lineNumber - maxAllowed;
+                const rangeEnd = lineNumberAfterRemovedLines <= allLines.length ? sourceCode.getIndexFromLoc({
+                  line: lineNumberAfterRemovedLines,
+                  column: 0
+                }) : sourceCode.text.length;
+                return fixer.removeRange([rangeStart, rangeEnd]);
+              }
+
+            });
+          }
+
+          return lineNumber;
+        }, 0);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 586 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow assignments to native objects or read-only global variables
+ * @author Ilya Volodin
+ * @deprecated in ESLint v3.3.0
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow assignments to native objects or read-only global variables",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-native-reassign"
+    },
+    deprecated: true,
+    replacedBy: ["no-global-assign"],
+    schema: [{
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      nativeReassign: "Read-only global '{{name}}' should not be modified."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0];
+    const exceptions = config && config.exceptions || [];
+    /**
+     * Reports write references.
+     * @param {Reference} reference A reference to check.
+     * @param {int} index The index of the reference in the references.
+     * @param {Reference[]} references The array that the reference belongs to.
+     * @returns {void}
+     */
+
+    function checkReference(reference, index, references) {
+      const identifier = reference.identifier;
+
+      if (reference.init === false && reference.isWrite() && (
+      /*
+       * Destructuring assignments can have multiple default value,
+       * so possibly there are multiple writeable references for the same identifier.
+       */
+      index === 0 || references[index - 1].identifier !== identifier)) {
+        context.report({
+          node: identifier,
+          messageId: "nativeReassign",
+          data: identifier
+        });
+      }
+    }
+    /**
+     * Reports write references if a given variable is read-only builtin.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+
+
+    function checkVariable(variable) {
+      if (variable.writeable === false && exceptions.indexOf(variable.name) === -1) {
+        variable.references.forEach(checkReference);
+      }
+    }
+
+    return {
+      Program() {
+        const globalScope = context.getScope();
+        globalScope.variables.forEach(checkVariable);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 587 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow a negated condition
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow negated conditions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-negated-condition"
+    },
+    schema: [],
+    messages: {
+      unexpectedNegated: "Unexpected negated condition."
+    }
+  },
+
+  create(context) {
+    /**
+     * Determines if a given node is an if-else without a condition on the else
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} True if the node has an else without an if.
+     * @private
+     */
+    function hasElseWithoutCondition(node) {
+      return node.alternate && node.alternate.type !== "IfStatement";
+    }
+    /**
+     * Determines if a given node is a negated unary expression
+     * @param {Object} test The test object to check.
+     * @returns {boolean} True if the node is a negated unary expression.
+     * @private
+     */
+
+
+    function isNegatedUnaryExpression(test) {
+      return test.type === "UnaryExpression" && test.operator === "!";
+    }
+    /**
+     * Determines if a given node is a negated binary expression
+     * @param {Test} test The test to check.
+     * @returns {boolean} True if the node is a negated binary expression.
+     * @private
+     */
+
+
+    function isNegatedBinaryExpression(test) {
+      return test.type === "BinaryExpression" && (test.operator === "!=" || test.operator === "!==");
+    }
+    /**
+     * Determines if a given node has a negated if expression
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} True if the node has a negated if expression.
+     * @private
+     */
+
+
+    function isNegatedIf(node) {
+      return isNegatedUnaryExpression(node.test) || isNegatedBinaryExpression(node.test);
+    }
+
+    return {
+      IfStatement(node) {
+        if (!hasElseWithoutCondition(node)) {
+          return;
+        }
+
+        if (isNegatedIf(node)) {
+          context.report({
+            node,
+            messageId: "unexpectedNegated"
+          });
+        }
+      },
+
+      ConditionalExpression(node) {
+        if (isNegatedIf(node)) {
+          context.report({
+            node,
+            messageId: "unexpectedNegated"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 588 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow negated left operands of the `in` operator
+ * @author Michael Ficarra
+ * @deprecated in ESLint v3.3.0
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow negating the left operand in `in` expressions",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-negated-in-lhs"
+    },
+    replacedBy: ["no-unsafe-negation"],
+    deprecated: true,
+    schema: [],
+    messages: {
+      negatedLHS: "The 'in' expression's left operand is negated."
+    }
+  },
+
+  create(context) {
+    return {
+      BinaryExpression(node) {
+        if (node.operator === "in" && node.left.type === "UnaryExpression" && node.left.operator === "!") {
+          context.report({
+            node,
+            messageId: "negatedLHS"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 589 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag nested ternary expressions
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow nested ternary expressions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-nested-ternary"
+    },
+    schema: [],
+    messages: {
+      noNestedTernary: "Do not nest ternary expressions."
+    }
+  },
+
+  create(context) {
+    return {
+      ConditionalExpression(node) {
+        if (node.alternate.type === "ConditionalExpression" || node.consequent.type === "ConditionalExpression") {
+          context.report({
+            node,
+            messageId: "noNestedTernary"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 590 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag statements with function invocation preceded by
+ * "new" and not part of assignment
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `new` operators outside of assignments or comparisons",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-new"
+    },
+    schema: [],
+    messages: {
+      noNewStatement: "Do not use 'new' for side effects."
+    }
+  },
+
+  create(context) {
+    return {
+      "ExpressionStatement > NewExpression"(node) {
+        context.report({
+          node: node.parent,
+          messageId: "noNewStatement"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 591 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when using new Function
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `new` operators with the `Function` object",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-new-func"
+    },
+    schema: [],
+    messages: {
+      noFunctionConstructor: "The Function constructor is eval."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports a node.
+     * @param {ASTNode} node The node to report
+     * @returns {void}
+     * @private
+     */
+    function report(node) {
+      context.report({
+        node,
+        messageId: "noFunctionConstructor"
+      });
+    }
+
+    return {
+      "NewExpression[callee.name = 'Function']": report,
+      "CallExpression[callee.name = 'Function']": report
+    };
+  }
+
+};
+
+/***/ }),
+/* 592 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow calls to the Object constructor
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `Object` constructors",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-new-object"
+    },
+    schema: [],
+    messages: {
+      preferLiteral: "The object literal notation {} is preferrable."
+    }
+  },
+
+  create(context) {
+    return {
+      NewExpression(node) {
+        if (node.callee.name === "Object") {
+          context.report({
+            node,
+            messageId: "preferLiteral"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 593 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of new operator with the `require` function
+ * @author Wil Moore III
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `new` operators with calls to `require`",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-new-require"
+    },
+    schema: [],
+    messages: {
+      noNewRequire: "Unexpected use of new with require."
+    }
+  },
+
+  create(context) {
+    return {
+      NewExpression(node) {
+        if (node.callee.type === "Identifier" && node.callee.name === "require") {
+          context.report({
+            node,
+            messageId: "noNewRequire"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 594 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of the new operator with the `Symbol` object
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow `new` operators with the `Symbol` object",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-new-symbol"
+    },
+    schema: [],
+    messages: {
+      noNewSymbol: "`Symbol` cannot be called as a constructor."
+    }
+  },
+
+  create(context) {
+    return {
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        const variable = globalScope.set.get("Symbol");
+
+        if (variable && variable.defs.length === 0) {
+          variable.references.forEach(ref => {
+            const node = ref.identifier;
+
+            if (node.parent && node.parent.type === "NewExpression") {
+              context.report({
+                node,
+                messageId: "noNewSymbol"
+              });
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 595 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when using constructor for wrapper objects
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `new` operators with the `String`, `Number`, and `Boolean` objects",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-new-wrappers"
+    },
+    schema: [],
+    messages: {
+      noConstructor: "Do not use {{fn}} as a constructor."
+    }
+  },
+
+  create(context) {
+    return {
+      NewExpression(node) {
+        const wrapperObjects = ["String", "Number", "Boolean"];
+
+        if (wrapperObjects.indexOf(node.callee.name) > -1) {
+          context.report({
+            node,
+            messageId: "noConstructor",
+            data: {
+              fn: node.callee.name
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 596 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of an object property of the global object (Math and JSON) as a function
+ * @author James Allardice
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker
+} = __webpack_require__(549);
+
+const getPropertyName = __webpack_require__(426).getStaticPropertyName; //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const nonCallableGlobals = ["Atomics", "JSON", "Math", "Reflect"];
+/**
+ * Returns the name of the node to report
+ * @param {ASTNode} node A node to report
+ * @returns {string} name to report
+ */
+
+function getReportNodeName(node) {
+  if (node.callee.type === "MemberExpression") {
+    return getPropertyName(node.callee);
+  }
+
+  return node.callee.name;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow calling global object properties as functions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-obj-calls"
+    },
+    schema: [],
+    messages: {
+      unexpectedCall: "'{{name}}' is not a function.",
+      unexpectedRefCall: "'{{name}}' is reference to '{{ref}}', which is not a function."
+    }
+  },
+
+  create(context) {
+    return {
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const traceMap = {};
+
+        for (const g of nonCallableGlobals) {
+          traceMap[g] = {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          };
+        }
+
+        for (const {
+          node,
+          path
+        } of tracker.iterateGlobalReferences(traceMap)) {
+          const name = getReportNodeName(node);
+          const ref = path[0];
+          const messageId = name === ref ? "unexpectedCall" : "unexpectedRefCall";
+          context.report({
+            node,
+            messageId,
+            data: {
+              name,
+              ref
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 597 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when initializing octal literal
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow octal literals",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-octal"
+    },
+    schema: [],
+    messages: {
+      noOcatal: "Octal literals should not be used."
+    }
+  },
+
+  create(context) {
+    return {
+      Literal(node) {
+        if (typeof node.value === "number" && /^0[0-9]/u.test(node.raw)) {
+          context.report({
+            node,
+            messageId: "noOcatal"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 598 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag octal escape sequences in string literals.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow octal escape sequences in string literals",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-octal-escape"
+    },
+    schema: [],
+    messages: {
+      octalEscapeSequence: "Don't use octal: '\\{{sequence}}'. Use '\\u....' instead."
+    }
+  },
+
+  create(context) {
+    return {
+      Literal(node) {
+        if (typeof node.value !== "string") {
+          return;
+        } // \0 represents a valid NULL character if it isn't followed by a digit.
+
+
+        const match = node.raw.match(/^(?:[\0-\[\]-\u{10FFFF}]|\\[\0-\u{10FFFF}])*?\\([0-3][0-7]{1,2}|[4-7][0-7]|0(?=[89])|[1-7])/u);
+
+        if (match) {
+          context.report({
+            node,
+            messageId: "octalEscapeSequence",
+            data: {
+              sequence: match[1]
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 599 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow reassignment of function parameters.
+ * @author Nat Burns
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const stopNodePattern = /(?:Statement|Declaration|Function(?:Expression)?|Program)$/u;
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow reassigning `function` parameters",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-param-reassign"
+    },
+    schema: [{
+      oneOf: [{
+        type: "object",
+        properties: {
+          props: {
+            enum: [false]
+          }
+        },
+        additionalProperties: false
+      }, {
+        type: "object",
+        properties: {
+          props: {
+            enum: [true]
+          },
+          ignorePropertyModificationsFor: {
+            type: "array",
+            items: {
+              type: "string"
+            },
+            uniqueItems: true
+          },
+          ignorePropertyModificationsForRegex: {
+            type: "array",
+            items: {
+              type: "string"
+            },
+            uniqueItems: true
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      assignmentToFunctionParam: "Assignment to function parameter '{{name}}'.",
+      assignmentToFunctionParamProp: "Assignment to property of function parameter '{{name}}'."
+    }
+  },
+
+  create(context) {
+    const props = context.options[0] && context.options[0].props;
+    const ignoredPropertyAssignmentsFor = context.options[0] && context.options[0].ignorePropertyModificationsFor || [];
+    const ignoredPropertyAssignmentsForRegex = context.options[0] && context.options[0].ignorePropertyModificationsForRegex || [];
+    /**
+     * Checks whether or not the reference modifies properties of its variable.
+     * @param {Reference} reference A reference to check.
+     * @returns {boolean} Whether or not the reference modifies properties of its variable.
+     */
+
+    function isModifyingProp(reference) {
+      let node = reference.identifier;
+      let parent = node.parent;
+
+      while (parent && (!stopNodePattern.test(parent.type) || parent.type === "ForInStatement" || parent.type === "ForOfStatement")) {
+        switch (parent.type) {
+          // e.g. foo.a = 0;
+          case "AssignmentExpression":
+            return parent.left === node;
+          // e.g. ++foo.a;
+
+          case "UpdateExpression":
+            return true;
+          // e.g. delete foo.a;
+
+          case "UnaryExpression":
+            if (parent.operator === "delete") {
+              return true;
+            }
+
+            break;
+          // e.g. for (foo.a in b) {}
+
+          case "ForInStatement":
+          case "ForOfStatement":
+            if (parent.left === node) {
+              return true;
+            } // this is a stop node for parent.right and parent.body
+
+
+            return false;
+          // EXCLUDES: e.g. cache.get(foo.a).b = 0;
+
+          case "CallExpression":
+            if (parent.callee !== node) {
+              return false;
+            }
+
+            break;
+          // EXCLUDES: e.g. cache[foo.a] = 0;
+
+          case "MemberExpression":
+            if (parent.property === node) {
+              return false;
+            }
+
+            break;
+          // EXCLUDES: e.g. ({ [foo]: a }) = bar;
+
+          case "Property":
+            if (parent.key === node) {
+              return false;
+            }
+
+            break;
+          // EXCLUDES: e.g. (foo ? a : b).c = bar;
+
+          case "ConditionalExpression":
+            if (parent.test === node) {
+              return false;
+            }
+
+            break;
+          // no default
+        }
+
+        node = parent;
+        parent = node.parent;
+      }
+
+      return false;
+    }
+    /**
+     * Tests that an identifier name matches any of the ignored property assignments.
+     * First we test strings in ignoredPropertyAssignmentsFor.
+     * Then we instantiate and test RegExp objects from ignoredPropertyAssignmentsForRegex strings.
+     * @param {string} identifierName A string that describes the name of an identifier to
+     * ignore property assignments for.
+     * @returns {boolean} Whether the string matches an ignored property assignment regular expression or not.
+     */
+
+
+    function isIgnoredPropertyAssignment(identifierName) {
+      return ignoredPropertyAssignmentsFor.includes(identifierName) || ignoredPropertyAssignmentsForRegex.some(ignored => new RegExp(ignored, "u").test(identifierName));
+    }
+    /**
+     * Reports a reference if is non initializer and writable.
+     * @param {Reference} reference A reference to check.
+     * @param {int} index The index of the reference in the references.
+     * @param {Reference[]} references The array that the reference belongs to.
+     * @returns {void}
+     */
+
+
+    function checkReference(reference, index, references) {
+      const identifier = reference.identifier;
+
+      if (identifier && !reference.init && (
+      /*
+       * Destructuring assignments can have multiple default value,
+       * so possibly there are multiple writeable references for the same identifier.
+       */
+      index === 0 || references[index - 1].identifier !== identifier)) {
+        if (reference.isWrite()) {
+          context.report({
+            node: identifier,
+            messageId: "assignmentToFunctionParam",
+            data: {
+              name: identifier.name
+            }
+          });
+        } else if (props && isModifyingProp(reference) && !isIgnoredPropertyAssignment(identifier.name)) {
+          context.report({
+            node: identifier,
+            messageId: "assignmentToFunctionParamProp",
+            data: {
+              name: identifier.name
+            }
+          });
+        }
+      }
+    }
+    /**
+     * Finds and reports references that are non initializer and writable.
+     * @param {Variable} variable A variable to check.
+     * @returns {void}
+     */
+
+
+    function checkVariable(variable) {
+      if (variable.defs[0].type === "Parameter") {
+        variable.references.forEach(checkReference);
+      }
+    }
+    /**
+     * Checks parameters of a given function node.
+     * @param {ASTNode} node A function node to check.
+     * @returns {void}
+     */
+
+
+    function checkForFunction(node) {
+      context.getDeclaredVariables(node).forEach(checkVariable);
+    }
+
+    return {
+      // `:exit` is needed for the `node.parent` property of identifier nodes.
+      "FunctionDeclaration:exit": checkForFunction,
+      "FunctionExpression:exit": checkForFunction,
+      "ArrowFunctionExpression:exit": checkForFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 600 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow string concatenation when using __dirname and __filename
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow string concatenation with `__dirname` and `__filename`",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-path-concat"
+    },
+    schema: [],
+    messages: {
+      usePathFunctions: "Use path.join() or path.resolve() instead of + to create paths."
+    }
+  },
+
+  create(context) {
+    const MATCHER = /^__(?:dir|file)name$/u; //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    return {
+      BinaryExpression(node) {
+        const left = node.left,
+              right = node.right;
+
+        if (node.operator === "+" && (left.type === "Identifier" && MATCHER.test(left.name) || right.type === "Identifier" && MATCHER.test(right.name))) {
+          context.report({
+            node,
+            messageId: "usePathFunctions"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 601 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of unary increment and decrement operators.
+ * @author Ian Christian Myers
+ * @author Brody McKee (github.com/mrmckeb)
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given node is the update node of a `ForStatement`.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is `ForStatement` update.
+ */
+
+function isForStatementUpdate(node) {
+  const parent = node.parent;
+  return parent.type === "ForStatement" && parent.update === node;
+}
+/**
+ * Determines whether the given node is considered to be a for loop "afterthought" by the logic of this rule.
+ * In particular, it returns `true` if the given node is either:
+ *   - The update node of a `ForStatement`: for (;; i++) {}
+ *   - An operand of a sequence expression that is the update node: for (;; foo(), i++) {}
+ *   - An operand of a sequence expression that is child of another sequence expression, etc.,
+ *     up to the sequence expression that is the update node: for (;; foo(), (bar(), (baz(), i++))) {}
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a for loop afterthought.
+ */
+
+
+function isForLoopAfterthought(node) {
+  const parent = node.parent;
+
+  if (parent.type === "SequenceExpression") {
+    return isForLoopAfterthought(parent);
+  }
+
+  return isForStatementUpdate(node);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the unary operators `++` and `--`",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-plusplus"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowForLoopAfterthoughts: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedUnaryOp: "Unary operator '{{operator}}' used."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0];
+    let allowForLoopAfterthoughts = false;
+
+    if (typeof config === "object") {
+      allowForLoopAfterthoughts = config.allowForLoopAfterthoughts === true;
+    }
+
+    return {
+      UpdateExpression(node) {
+        if (allowForLoopAfterthoughts && isForLoopAfterthought(node)) {
+          return;
+        }
+
+        context.report({
+          node,
+          messageId: "unexpectedUnaryOp",
+          data: {
+            operator: node.operator
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 602 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow the use of process.env()
+ * @author Vignesh Anand
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `process.env`",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-process-env"
+    },
+    schema: [],
+    messages: {
+      unexpectedProcessEnv: "Unexpected use of process.env."
+    }
+  },
+
+  create(context) {
+    return {
+      MemberExpression(node) {
+        const objectName = node.object.name,
+              propertyName = node.property.name;
+
+        if (objectName === "process" && !node.computed && propertyName && propertyName === "env") {
+          context.report({
+            node,
+            messageId: "unexpectedProcessEnv"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 603 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow the use of process.exit()
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `process.exit()`",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-process-exit"
+    },
+    schema: [],
+    messages: {
+      noProcessExit: "Don't use process.exit(); throw an error instead."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+    return {
+      "CallExpression > MemberExpression.callee[object.name = 'process'][property.name = 'exit']"(node) {
+        context.report({
+          node: node.parent,
+          messageId: "noProcessExit"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 604 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag usage of __proto__ property
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  getStaticPropertyName
+} = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of the `__proto__` property",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-proto"
+    },
+    schema: [],
+    messages: {
+      unexpectedProto: "The '__proto__' property is deprecated."
+    }
+  },
+
+  create(context) {
+    return {
+      MemberExpression(node) {
+        if (getStaticPropertyName(node) === "__proto__") {
+          context.report({
+            node,
+            messageId: "unexpectedProto"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 605 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of Object.prototype builtins on objects
+ * @author Andrew Levine
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow calling some `Object.prototype` methods directly on objects",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-prototype-builtins"
+    },
+    schema: [],
+    messages: {
+      prototypeBuildIn: "Do not access Object.prototype method '{{prop}}' from target object."
+    }
+  },
+
+  create(context) {
+    const DISALLOWED_PROPS = ["hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable"];
+    /**
+     * Reports if a disallowed property is used in a CallExpression
+     * @param {ASTNode} node The CallExpression node.
+     * @returns {void}
+     */
+
+    function disallowBuiltIns(node) {
+      if (node.callee.type !== "MemberExpression" || node.callee.computed) {
+        return;
+      }
+
+      const propName = node.callee.property.name;
+
+      if (DISALLOWED_PROPS.indexOf(propName) > -1) {
+        context.report({
+          messageId: "prototypeBuildIn",
+          loc: node.callee.property.loc,
+          data: {
+            prop: propName
+          },
+          node
+        });
+      }
+    }
+
+    return {
+      CallExpression: disallowBuiltIns
+    };
+  }
+
+};
+
+/***/ }),
+/* 606 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when the same variable is declared more then once.
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow variable redeclaration",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-redeclare"
+    },
+    messages: {
+      redeclared: "'{{id}}' is already defined.",
+      redeclaredAsBuiltin: "'{{id}}' is already defined as a built-in global variable.",
+      redeclaredBySyntax: "'{{id}}' is already defined by a variable declaration."
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        builtinGlobals: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }]
+  },
+
+  create(context) {
+    const options = {
+      builtinGlobals: Boolean(context.options.length === 0 || context.options[0].builtinGlobals)
+    };
+    const sourceCode = context.getSourceCode();
+    /**
+     * Iterate declarations of a given variable.
+     * @param {escope.variable} variable The variable object to iterate declarations.
+     * @returns {IterableIterator<{type:string,node:ASTNode,loc:SourceLocation}>} The declarations.
+     */
+
+    function* iterateDeclarations(variable) {
+      if (options.builtinGlobals && (variable.eslintImplicitGlobalSetting === "readonly" || variable.eslintImplicitGlobalSetting === "writable")) {
+        yield {
+          type: "builtin"
+        };
+      }
+
+      for (const id of variable.identifiers) {
+        yield {
+          type: "syntax",
+          node: id,
+          loc: id.loc
+        };
+      }
+
+      if (variable.eslintExplicitGlobalComments) {
+        for (const comment of variable.eslintExplicitGlobalComments) {
+          yield {
+            type: "comment",
+            node: comment,
+            loc: astUtils.getNameLocationInGlobalDirectiveComment(sourceCode, comment, variable.name)
+          };
+        }
+      }
+    }
+    /**
+     * Find variables in a given scope and flag redeclared ones.
+     * @param {Scope} scope An eslint-scope scope object.
+     * @returns {void}
+     * @private
+     */
+
+
+    function findVariablesInScope(scope) {
+      for (const variable of scope.variables) {
+        const [declaration, ...extraDeclarations] = iterateDeclarations(variable);
+
+        if (extraDeclarations.length === 0) {
+          continue;
+        }
+        /*
+         * If the type of a declaration is different from the type of
+         * the first declaration, it shows the location of the first
+         * declaration.
+         */
+
+
+        const detailMessageId = declaration.type === "builtin" ? "redeclaredAsBuiltin" : "redeclaredBySyntax";
+        const data = {
+          id: variable.name
+        }; // Report extra declarations.
+
+        for (const {
+          type,
+          node,
+          loc
+        } of extraDeclarations) {
+          const messageId = type === declaration.type ? "redeclared" : detailMessageId;
+          context.report({
+            node,
+            loc,
+            messageId,
+            data
+          });
+        }
+      }
+    }
+    /**
+     * Find variables in the current scope.
+     * @param {ASTNode} node The node of the current scope.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForBlock(node) {
+      const scope = context.getScope();
+      /*
+       * In ES5, some node type such as `BlockStatement` doesn't have that scope.
+       * `scope.block` is a different node in such a case.
+       */
+
+      if (scope.block === node) {
+        findVariablesInScope(scope);
+      }
+    }
+
+    return {
+      Program() {
+        const scope = context.getScope();
+        findVariablesInScope(scope); // Node.js or ES modules has a special scope.
+
+        if (scope.type === "global" && scope.childScopes[0] && // The special scope's block is the Program node.
+        scope.block === scope.childScopes[0].block) {
+          findVariablesInScope(scope.childScopes[0]);
+        }
+      },
+
+      FunctionDeclaration: checkForBlock,
+      FunctionExpression: checkForBlock,
+      ArrowFunctionExpression: checkForBlock,
+      BlockStatement: checkForBlock,
+      ForStatement: checkForBlock,
+      ForInStatement: checkForBlock,
+      ForOfStatement: checkForBlock,
+      SwitchStatement: checkForBlock
+    };
+  }
+
+};
+
+/***/ }),
+/* 607 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to count multiple spaces in regular expressions
+ * @author Matt DuVall <http://www.mattduvall.com/>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const regexpp = __webpack_require__(527); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const regExpParser = new regexpp.RegExpParser();
+const DOUBLE_SPACE = / {2}/u;
+/**
+ * Check if node is a string
+ * @param {ASTNode} node node to evaluate
+ * @returns {boolean} True if its a string
+ * @private
+ */
+
+function isString(node) {
+  return node && node.type === "Literal" && typeof node.value === "string";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow multiple spaces in regular expressions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-regex-spaces"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      multipleSpaces: "Spaces are hard to count. Use {{{length}}}."
+    }
+  },
+
+  create(context) {
+    /**
+     * Validate regular expression
+     * @param {ASTNode} nodeToReport Node to report.
+     * @param {string} pattern Regular expression pattern to validate.
+     * @param {string} rawPattern Raw representation of the pattern in the source code.
+     * @param {number} rawPatternStartRange Start range of the pattern in the source code.
+     * @param {string} flags Regular expression flags.
+     * @returns {void}
+     * @private
+     */
+    function checkRegex(nodeToReport, pattern, rawPattern, rawPatternStartRange, flags) {
+      // Skip if there are no consecutive spaces in the source code, to avoid reporting e.g., RegExp(' \ ').
+      if (!DOUBLE_SPACE.test(rawPattern)) {
+        return;
+      }
+
+      const characterClassNodes = [];
+      let regExpAST;
+
+      try {
+        regExpAST = regExpParser.parsePattern(pattern, 0, pattern.length, flags.includes("u"));
+      } catch (e) {
+        // Ignore regular expressions with syntax errors
+        return;
+      }
+
+      regexpp.visitRegExpAST(regExpAST, {
+        onCharacterClassEnter(ccNode) {
+          characterClassNodes.push(ccNode);
+        }
+
+      });
+      const spacesPattern = /( {2,})(?: [+*{?]|[^+*{?]|$)/gu;
+      let match;
+
+      while (match = spacesPattern.exec(pattern)) {
+        const {
+          1: {
+            length
+          },
+          index
+        } = match; // Report only consecutive spaces that are not in character classes.
+
+        if (characterClassNodes.every(({
+          start,
+          end
+        }) => index < start || end <= index)) {
+          context.report({
+            node: nodeToReport,
+            messageId: "multipleSpaces",
+            data: {
+              length
+            },
+
+            fix(fixer) {
+              if (pattern !== rawPattern) {
+                return null;
+              }
+
+              return fixer.replaceTextRange([rawPatternStartRange + index, rawPatternStartRange + index + length], " {".concat(length, "}"));
+            }
+
+          }); // Report only the first occurrence of consecutive spaces
+
+          return;
+        }
+      }
+    }
+    /**
+     * Validate regular expression literals
+     * @param {ASTNode} node node to validate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkLiteral(node) {
+      if (node.regex) {
+        const pattern = node.regex.pattern;
+        const rawPattern = node.raw.slice(1, node.raw.lastIndexOf("/"));
+        const rawPatternStartRange = node.range[0] + 1;
+        const flags = node.regex.flags;
+        checkRegex(node, pattern, rawPattern, rawPatternStartRange, flags);
+      }
+    }
+    /**
+     * Validate strings passed to the RegExp constructor
+     * @param {ASTNode} node node to validate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkFunction(node) {
+      const scope = context.getScope();
+      const regExpVar = astUtils.getVariableByName(scope, "RegExp");
+      const shadowed = regExpVar && regExpVar.defs.length > 0;
+      const patternNode = node.arguments[0];
+      const flagsNode = node.arguments[1];
+
+      if (node.callee.type === "Identifier" && node.callee.name === "RegExp" && isString(patternNode) && !shadowed) {
+        const pattern = patternNode.value;
+        const rawPattern = patternNode.raw.slice(1, -1);
+        const rawPatternStartRange = patternNode.range[0] + 1;
+        const flags = isString(flagsNode) ? flagsNode.value : "";
+        checkRegex(node, pattern, rawPattern, rawPatternStartRange, flags);
+      }
+    }
+
+    return {
+      Literal: checkLiteral,
+      CallExpression: checkFunction,
+      NewExpression: checkFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 608 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow specified names in exports
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified names in exports",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-exports"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        restrictedNamedExports: {
+          type: "array",
+          items: {
+            type: "string"
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      restrictedNamed: "'{{name}}' is restricted from being used as an exported name."
+    }
+  },
+
+  create(context) {
+    const restrictedNames = new Set(context.options[0] && context.options[0].restrictedNamedExports);
+    /**
+     * Checks and reports given exported identifier.
+     * @param {ASTNode} node exported `Identifer` node to check.
+     * @returns {void}
+     */
+
+    function checkExportedName(node) {
+      const name = node.name;
+
+      if (restrictedNames.has(name)) {
+        context.report({
+          node,
+          messageId: "restrictedNamed",
+          data: {
+            name
+          }
+        });
+      }
+    }
+
+    return {
+      ExportNamedDeclaration(node) {
+        const declaration = node.declaration;
+
+        if (declaration) {
+          if (declaration.type === "FunctionDeclaration" || declaration.type === "ClassDeclaration") {
+            checkExportedName(declaration.id);
+          } else if (declaration.type === "VariableDeclaration") {
+            context.getDeclaredVariables(declaration).map(v => v.defs.find(d => d.parent === declaration)).map(d => d.name) // Identifier nodes
+            .forEach(checkExportedName);
+          }
+        } else {
+          node.specifiers.map(s => s.exported).forEach(checkExportedName);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 609 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Restrict usage of specified globals.
+ * @author Benoît Zugmeyer
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified global variables",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-globals"
+    },
+    schema: {
+      type: "array",
+      items: {
+        oneOf: [{
+          type: "string"
+        }, {
+          type: "object",
+          properties: {
+            name: {
+              type: "string"
+            },
+            message: {
+              type: "string"
+            }
+          },
+          required: ["name"],
+          additionalProperties: false
+        }]
+      },
+      uniqueItems: true,
+      minItems: 0
+    },
+    messages: {
+      defaultMessage: "Unexpected use of '{{name}}'.",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      customMessage: "Unexpected use of '{{name}}'. {{customMessage}}"
+    }
+  },
+
+  create(context) {
+    // If no globals are restricted, we don't need to do anything
+    if (context.options.length === 0) {
+      return {};
+    }
+
+    const restrictedGlobalMessages = context.options.reduce((memo, option) => {
+      if (typeof option === "string") {
+        memo[option] = null;
+      } else {
+        memo[option.name] = option.message;
+      }
+
+      return memo;
+    }, {});
+    /**
+     * Report a variable to be used as a restricted global.
+     * @param {Reference} reference the variable reference
+     * @returns {void}
+     * @private
+     */
+
+    function reportReference(reference) {
+      const name = reference.identifier.name,
+            customMessage = restrictedGlobalMessages[name],
+            messageId = customMessage ? "customMessage" : "defaultMessage";
+      context.report({
+        node: reference.identifier,
+        messageId,
+        data: {
+          name,
+          customMessage
+        }
+      });
+    }
+    /**
+     * Check if the given name is a restricted global name.
+     * @param {string} name name of a variable
+     * @returns {boolean} whether the variable is a restricted global or not
+     * @private
+     */
+
+
+    function isRestricted(name) {
+      return Object.prototype.hasOwnProperty.call(restrictedGlobalMessages, name);
+    }
+
+    return {
+      Program() {
+        const scope = context.getScope(); // Report variables declared elsewhere (ex: variables defined as "global" by eslint)
+
+        scope.variables.forEach(variable => {
+          if (!variable.defs.length && isRestricted(variable.name)) {
+            variable.references.forEach(reportReference);
+          }
+        }); // Report variables not declared at all
+
+        scope.through.forEach(reference => {
+          if (isRestricted(reference.identifier.name)) {
+            reportReference(reference);
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 610 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Restrict usage of specified node imports.
+ * @author Guy Ellis
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const ignore = __webpack_require__(611);
+
+const arrayOfStrings = {
+  type: "array",
+  items: {
+    type: "string"
+  },
+  uniqueItems: true
+};
+const arrayOfStringsOrObjects = {
+  type: "array",
+  items: {
+    anyOf: [{
+      type: "string"
+    }, {
+      type: "object",
+      properties: {
+        name: {
+          type: "string"
+        },
+        message: {
+          type: "string",
+          minLength: 1
+        },
+        importNames: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        }
+      },
+      additionalProperties: false,
+      required: ["name"]
+    }]
+  },
+  uniqueItems: true
+};
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified modules when loaded by `import`",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-imports"
+    },
+    messages: {
+      path: "'{{importSource}}' import is restricted from being used.",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      pathWithCustomMessage: "'{{importSource}}' import is restricted from being used. {{customMessage}}",
+      patterns: "'{{importSource}}' import is restricted from being used by a pattern.",
+      everything: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted.",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      everythingWithCustomMessage: "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted. {{customMessage}}",
+      importName: "'{{importName}}' import from '{{importSource}}' is restricted.",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      importNameWithCustomMessage: "'{{importName}}' import from '{{importSource}}' is restricted. {{customMessage}}"
+    },
+    schema: {
+      anyOf: [arrayOfStringsOrObjects, {
+        type: "array",
+        items: [{
+          type: "object",
+          properties: {
+            paths: arrayOfStringsOrObjects,
+            patterns: arrayOfStrings
+          },
+          additionalProperties: false
+        }],
+        additionalItems: false
+      }]
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const options = Array.isArray(context.options) ? context.options : [];
+    const isPathAndPatternsObject = typeof options[0] === "object" && (Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns"));
+    const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
+    const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || []; // if no imports are restricted we don"t need to check
+
+    if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) {
+      return {};
+    }
+
+    const restrictedPathMessages = restrictedPaths.reduce((memo, importSource) => {
+      if (typeof importSource === "string") {
+        memo[importSource] = {
+          message: null
+        };
+      } else {
+        memo[importSource.name] = {
+          message: importSource.message,
+          importNames: importSource.importNames
+        };
+      }
+
+      return memo;
+    }, {});
+    const restrictedPatternsMatcher = ignore().add(restrictedPatterns);
+    /**
+     * Report a restricted path.
+     * @param {string} importSource path of the import
+     * @param {Map<string,Object[]>} importNames Map of import names that are being imported
+     * @param {node} node representing the restricted path reference
+     * @returns {void}
+     * @private
+     */
+
+    function checkRestrictedPathAndReport(importSource, importNames, node) {
+      if (!Object.prototype.hasOwnProperty.call(restrictedPathMessages, importSource)) {
+        return;
+      }
+
+      const customMessage = restrictedPathMessages[importSource].message;
+      const restrictedImportNames = restrictedPathMessages[importSource].importNames;
+
+      if (restrictedImportNames) {
+        if (importNames.has("*")) {
+          const specifierData = importNames.get("*")[0];
+          context.report({
+            node,
+            messageId: customMessage ? "everythingWithCustomMessage" : "everything",
+            loc: specifierData.loc,
+            data: {
+              importSource,
+              importNames: restrictedImportNames,
+              customMessage
+            }
+          });
+        }
+
+        restrictedImportNames.forEach(importName => {
+          if (importNames.has(importName)) {
+            const specifiers = importNames.get(importName);
+            specifiers.forEach(specifier => {
+              context.report({
+                node,
+                messageId: customMessage ? "importNameWithCustomMessage" : "importName",
+                loc: specifier.loc,
+                data: {
+                  importSource,
+                  customMessage,
+                  importName
+                }
+              });
+            });
+          }
+        });
+      } else {
+        context.report({
+          node,
+          messageId: customMessage ? "pathWithCustomMessage" : "path",
+          data: {
+            importSource,
+            customMessage
+          }
+        });
+      }
+    }
+    /**
+     * Report a restricted path specifically for patterns.
+     * @param {node} node representing the restricted path reference
+     * @returns {void}
+     * @private
+     */
+
+
+    function reportPathForPatterns(node) {
+      const importSource = node.source.value.trim();
+      context.report({
+        node,
+        messageId: "patterns",
+        data: {
+          importSource
+        }
+      });
+    }
+    /**
+     * Check if the given importSource is restricted by a pattern.
+     * @param {string} importSource path of the import
+     * @returns {boolean} whether the variable is a restricted pattern or not
+     * @private
+     */
+
+
+    function isRestrictedPattern(importSource) {
+      return restrictedPatterns.length > 0 && restrictedPatternsMatcher.ignores(importSource);
+    }
+    /**
+     * Checks a node to see if any problems should be reported.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkNode(node) {
+      const importSource = node.source.value.trim();
+      const importNames = new Map();
+
+      if (node.type === "ExportAllDeclaration") {
+        const starToken = sourceCode.getFirstToken(node, 1);
+        importNames.set("*", [{
+          loc: starToken.loc
+        }]);
+      } else if (node.specifiers) {
+        for (const specifier of node.specifiers) {
+          let name;
+          const specifierData = {
+            loc: specifier.loc
+          };
+
+          if (specifier.type === "ImportDefaultSpecifier") {
+            name = "default";
+          } else if (specifier.type === "ImportNamespaceSpecifier") {
+            name = "*";
+          } else if (specifier.imported) {
+            name = specifier.imported.name;
+          } else if (specifier.local) {
+            name = specifier.local.name;
+          }
+
+          if (name) {
+            if (importNames.has(name)) {
+              importNames.get(name).push(specifierData);
+            } else {
+              importNames.set(name, [specifierData]);
+            }
+          }
+        }
+      }
+
+      checkRestrictedPathAndReport(importSource, importNames, node);
+
+      if (isRestrictedPattern(importSource)) {
+        reportPathForPatterns(node);
+      }
+    }
+
+    return {
+      ImportDeclaration: checkNode,
+
+      ExportNamedDeclaration(node) {
+        if (node.source) {
+          checkNode(node);
+        }
+      },
+
+      ExportAllDeclaration: checkNode
+    };
+  }
+
+};
+
+/***/ }),
+/* 611 */
+/***/ (function(module, exports) {
+
+// A simple implementation of make-array
+function make_array(subject) {
+  return Array.isArray(subject) ? subject : [subject];
+}
+
+const REGEX_BLANK_LINE = /^\s+$/;
+const REGEX_LEADING_EXCAPED_EXCLAMATION = /^\\!/;
+const REGEX_LEADING_EXCAPED_HASH = /^\\#/;
+const SLASH = '/';
+const KEY_IGNORE = typeof Symbol !== 'undefined' ? Symbol.for('node-ignore')
+/* istanbul ignore next */
+: 'node-ignore';
+
+const define = (object, key, value) => Object.defineProperty(object, key, {
+  value
+});
+
+const REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g; // Sanitize the range of a regular expression
+// The cases are complicated, see test cases for details
+
+const sanitizeRange = range => range.replace(REGEX_REGEXP_RANGE, (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0) ? match // Invalid range (out of order) which is ok for gitignore rules but
+//   fatal for JavaScript regular expression, so eliminate it.
+: ''); // > If the pattern ends with a slash,
+// > it is removed for the purpose of the following description,
+// > but it would only find a match with a directory.
+// > In other words, foo/ will match a directory foo and paths underneath it,
+// > but will not match a regular file or a symbolic link foo
+// >  (this is consistent with the way how pathspec works in general in Git).
+// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`'
+// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call
+//      you could use option `mark: true` with `glob`
+// '`foo/`' should not continue with the '`..`'
+
+
+const DEFAULT_REPLACER_PREFIX = [// > Trailing spaces are ignored unless they are quoted with backslash ("\")
+[// (a\ ) -> (a )
+// (a  ) -> (a)
+// (a \ ) -> (a  )
+/\\?\s+$/, match => match.indexOf('\\') === 0 ? ' ' : ''], // replace (\ ) with ' '
+[/\\\s/g, () => ' '], // Escape metacharacters
+// which is written down by users but means special for regular expressions.
+// > There are 12 characters with special meanings:
+// > - the backslash \,
+// > - the caret ^,
+// > - the dollar sign $,
+// > - the period or dot .,
+// > - the vertical bar or pipe symbol |,
+// > - the question mark ?,
+// > - the asterisk or star *,
+// > - the plus sign +,
+// > - the opening parenthesis (,
+// > - the closing parenthesis ),
+// > - and the opening square bracket [,
+// > - the opening curly brace {,
+// > These special characters are often called "metacharacters".
+[/[\\^$.|*+(){]/g, match => "\\".concat(match)], [// > [abc] matches any character inside the brackets
+// >    (in this case a, b, or c);
+/\[([^\]/]*)($|\])/g, (match, p1, p2) => p2 === ']' ? "[".concat(sanitizeRange(p1), "]") : "\\".concat(match)], [// > a question mark (?) matches a single character
+/(?!\\)\?/g, () => '[^/]'], // leading slash
+[// > A leading slash matches the beginning of the pathname.
+// > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c".
+// A leading slash matches the beginning of the pathname
+/^\//, () => '^'], // replace special metacharacter slash after the leading slash
+[/\//g, () => '\\/'], [// > A leading "**" followed by a slash means match in all directories.
+// > For example, "**/foo" matches file or directory "foo" anywhere,
+// > the same as pattern "foo".
+// > "**/foo/bar" matches file or directory "bar" anywhere that is directly
+// >   under directory "foo".
+// Notice that the '*'s have been replaced as '\\*'
+/^\^*\\\*\\\*\\\//, // '**/foo' <-> 'foo'
+() => '^(?:.*\\/)?']];
+const DEFAULT_REPLACER_SUFFIX = [// starting
+[// there will be no leading '/'
+//   (which has been replaced by section "leading slash")
+// If starts with '**', adding a '^' to the regular expression also works
+/^(?=[^^])/, function startingReplacer() {
+  return !/\/(?!$)/.test(this) // > If the pattern does not contain a slash /,
+  // >   Git treats it as a shell glob pattern
+  // Actually, if there is only a trailing slash,
+  //   git also treats it as a shell glob pattern
+  ? '(?:^|\\/)' // > Otherwise, Git treats the pattern as a shell glob suitable for
+  // >   consumption by fnmatch(3)
+  : '^';
+}], // two globstars
+[// Use lookahead assertions so that we could match more than one `'/**'`
+/\\\/\\\*\\\*(?=\\\/|$)/g, // Zero, one or several directories
+// should not use '*', or it will be replaced by the next replacer
+// Check if it is not the last `'/**'`
+(match, index, str) => index + 6 < str.length // case: /**/
+// > A slash followed by two consecutive asterisks then a slash matches
+// >   zero or more directories.
+// > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on.
+// '/**/'
+? '(?:\\/[^\\/]+)*' // case: /**
+// > A trailing `"/**"` matches everything inside.
+// #21: everything inside but it should not include the current folder
+: '\\/.+'], // intermediate wildcards
+[// Never replace escaped '*'
+// ignore rule '\*' will match the path '*'
+// 'abc.*/' -> go
+// 'abc.*'  -> skip this rule
+/(^|[^\\]+)\\\*(?=.+)/g, // '*.js' matches '.js'
+// '*.js' doesn't match 'abc'
+(match, p1) => "".concat(p1, "[^\\/]*")], // trailing wildcard
+[/(\^|\\\/)?\\\*$/, (match, p1) => {
+  const prefix = p1 // '\^':
+  // '/*' does not match ''
+  // '/*' does not match everything
+  // '\\\/':
+  // 'abc/*' does not match 'abc/'
+  ? "".concat(p1, "[^/]+") // 'a*' matches 'a'
+  // 'a*' matches 'aa'
+  : '[^/]*';
+  return "".concat(prefix, "(?=$|\\/$)");
+}], [// unescape
+/\\\\\\/g, () => '\\']];
+const POSITIVE_REPLACERS = [...DEFAULT_REPLACER_PREFIX, // 'f'
+// matches
+// - /f(end)
+// - /f/
+// - (start)f(end)
+// - (start)f/
+// doesn't match
+// - oof
+// - foo
+// pseudo:
+// -> (^|/)f(/|$)
+// ending
+[// 'js' will not match 'js.'
+// 'ab' will not match 'abc'
+/(?:[^*/])$/, // 'js*' will not match 'a.js'
+// 'js/' will not match 'a.js'
+// 'js' will match 'a.js' and 'a.js/'
+match => "".concat(match, "(?=$|\\/)")], ...DEFAULT_REPLACER_SUFFIX];
+const NEGATIVE_REPLACERS = [...DEFAULT_REPLACER_PREFIX, // #24, #38
+// The MISSING rule of [gitignore docs](https://git-scm.com/docs/gitignore)
+// A negative pattern without a trailing wildcard should not
+// re-include the things inside that directory.
+// eg:
+// ['node_modules/*', '!node_modules']
+// should ignore `node_modules/a.js`
+[/(?:[^*])$/, match => "".concat(match, "(?=$|\\/$)")], ...DEFAULT_REPLACER_SUFFIX]; // A simple cache, because an ignore rule only has only one certain meaning
+
+const cache = Object.create(null); // @param {pattern}
+
+const make_regex = (pattern, negative, ignorecase) => {
+  const r = cache[pattern];
+
+  if (r) {
+    return r;
+  }
+
+  const replacers = negative ? NEGATIVE_REPLACERS : POSITIVE_REPLACERS;
+  const source = replacers.reduce((prev, current) => prev.replace(current[0], current[1].bind(pattern)), pattern);
+  return cache[pattern] = ignorecase ? new RegExp(source, 'i') : new RegExp(source);
+}; // > A blank line matches no files, so it can serve as a separator for readability.
+
+
+const checkPattern = pattern => pattern && typeof pattern === 'string' && !REGEX_BLANK_LINE.test(pattern) // > A line starting with # serves as a comment.
+&& pattern.indexOf('#') !== 0;
+
+const createRule = (pattern, ignorecase) => {
+  const origin = pattern;
+  let negative = false; // > An optional prefix "!" which negates the pattern;
+
+  if (pattern.indexOf('!') === 0) {
+    negative = true;
+    pattern = pattern.substr(1);
+  }
+
+  pattern = pattern // > Put a backslash ("\") in front of the first "!" for patterns that
+  // >   begin with a literal "!", for example, `"\!important!.txt"`.
+  .replace(REGEX_LEADING_EXCAPED_EXCLAMATION, '!') // > Put a backslash ("\") in front of the first hash for patterns that
+  // >   begin with a hash.
+  .replace(REGEX_LEADING_EXCAPED_HASH, '#');
+  const regex = make_regex(pattern, negative, ignorecase);
+  return {
+    origin,
+    pattern,
+    negative,
+    regex
+  };
+};
+
+class IgnoreBase {
+  constructor({
+    ignorecase = true
+  } = {}) {
+    this._rules = [];
+    this._ignorecase = ignorecase;
+    define(this, KEY_IGNORE, true);
+
+    this._initCache();
+  }
+
+  _initCache() {
+    this._cache = Object.create(null);
+  } // @param {Array.<string>|string|Ignore} pattern
+
+
+  add(pattern) {
+    this._added = false;
+
+    if (typeof pattern === 'string') {
+      pattern = pattern.split(/\r?\n/g);
+    }
+
+    make_array(pattern).forEach(this._addPattern, this); // Some rules have just added to the ignore,
+    // making the behavior changed.
+
+    if (this._added) {
+      this._initCache();
+    }
+
+    return this;
+  } // legacy
+
+
+  addPattern(pattern) {
+    return this.add(pattern);
+  }
+
+  _addPattern(pattern) {
+    // #32
+    if (pattern && pattern[KEY_IGNORE]) {
+      this._rules = this._rules.concat(pattern._rules);
+      this._added = true;
+      return;
+    }
+
+    if (checkPattern(pattern)) {
+      const rule = createRule(pattern, this._ignorecase);
+      this._added = true;
+
+      this._rules.push(rule);
+    }
+  }
+
+  filter(paths) {
+    return make_array(paths).filter(path => this._filter(path));
+  }
+
+  createFilter() {
+    return path => this._filter(path);
+  }
+
+  ignores(path) {
+    return !this._filter(path);
+  } // @returns `Boolean` true if the `path` is NOT ignored
+
+
+  _filter(path, slices) {
+    if (!path) {
+      return false;
+    }
+
+    if (path in this._cache) {
+      return this._cache[path];
+    }
+
+    if (!slices) {
+      // path/to/a.js
+      // ['path', 'to', 'a.js']
+      slices = path.split(SLASH);
+    }
+
+    slices.pop();
+    return this._cache[path] = slices.length // > It is not possible to re-include a file if a parent directory of
+    // >   that file is excluded.
+    // If the path contains a parent directory, check the parent first
+    ? this._filter(slices.join(SLASH) + SLASH, slices) && this._test(path) // Or only test the path
+    : this._test(path);
+  } // @returns {Boolean} true if a file is NOT ignored
+
+
+  _test(path) {
+    // Explicitly define variable type by setting matched to `0`
+    let matched = 0;
+
+    this._rules.forEach(rule => {
+      // if matched = true, then we only test negative rules
+      // if matched = false, then we test non-negative rules
+      if (!(matched ^ rule.negative)) {
+        matched = rule.negative ^ rule.regex.test(path);
+      }
+    });
+
+    return !matched;
+  }
+
+} // Windows
+// --------------------------------------------------------------
+
+/* istanbul ignore if  */
+
+
+if ( // Detect `process` so that it can run in browsers.
+typeof process !== 'undefined' && (process.env && process.env.IGNORE_TEST_WIN32 || process.platform === 'win32')) {
+  const filter = IgnoreBase.prototype._filter;
+  /* eslint no-control-regex: "off" */
+
+  const make_posix = str => /^\\\\\?\\/.test(str) || /[^\x00-\x80]+/.test(str) ? str : str.replace(/\\/g, '/');
+
+  IgnoreBase.prototype._filter = function filterWin32(path, slices) {
+    path = make_posix(path);
+    return filter.call(this, path, slices);
+  };
+}
+
+module.exports = options => new IgnoreBase(options);
+
+/***/ }),
+/* 612 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Restrict usage of specified node modules.
+ * @author Christian Schulz
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const ignore = __webpack_require__(611);
+
+const arrayOfStrings = {
+  type: "array",
+  items: {
+    type: "string"
+  },
+  uniqueItems: true
+};
+const arrayOfStringsOrObjects = {
+  type: "array",
+  items: {
+    anyOf: [{
+      type: "string"
+    }, {
+      type: "object",
+      properties: {
+        name: {
+          type: "string"
+        },
+        message: {
+          type: "string",
+          minLength: 1
+        }
+      },
+      additionalProperties: false,
+      required: ["name"]
+    }]
+  },
+  uniqueItems: true
+};
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified modules when loaded by `require`",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-modules"
+    },
+    schema: {
+      anyOf: [arrayOfStringsOrObjects, {
+        type: "array",
+        items: {
+          type: "object",
+          properties: {
+            paths: arrayOfStringsOrObjects,
+            patterns: arrayOfStrings
+          },
+          additionalProperties: false
+        },
+        additionalItems: false
+      }]
+    },
+    messages: {
+      defaultMessage: "'{{name}}' module is restricted from being used.",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      customMessage: "'{{name}}' module is restricted from being used. {{customMessage}}",
+      patternMessage: "'{{name}}' module is restricted from being used by a pattern."
+    }
+  },
+
+  create(context) {
+    const options = Array.isArray(context.options) ? context.options : [];
+    const isPathAndPatternsObject = typeof options[0] === "object" && (Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns"));
+    const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
+    const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || [];
+    const restrictedPathMessages = restrictedPaths.reduce((memo, importName) => {
+      if (typeof importName === "string") {
+        memo[importName] = null;
+      } else {
+        memo[importName.name] = importName.message;
+      }
+
+      return memo;
+    }, {}); // if no imports are restricted we don"t need to check
+
+    if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) {
+      return {};
+    }
+
+    const ig = ignore().add(restrictedPatterns);
+    /**
+     * Function to check if a node is a string literal.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} If the node is a string literal.
+     */
+
+    function isStringLiteral(node) {
+      return node && node.type === "Literal" && typeof node.value === "string";
+    }
+    /**
+     * Function to check if a node is a static string template literal.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} If the node is a string template literal.
+     */
+
+
+    function isStaticTemplateLiteral(node) {
+      return node && node.type === "TemplateLiteral" && node.expressions.length === 0;
+    }
+    /**
+     * Function to check if a node is a require call.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} If the node is a require call.
+     */
+
+
+    function isRequireCall(node) {
+      return node.callee.type === "Identifier" && node.callee.name === "require";
+    }
+    /**
+     * Extract string from Literal or TemplateLiteral node
+     * @param {ASTNode} node The node to extract from
+     * @returns {string|null} Extracted string or null if node doesn't represent a string
+     */
+
+
+    function getFirstArgumentString(node) {
+      if (isStringLiteral(node)) {
+        return node.value.trim();
+      }
+
+      if (isStaticTemplateLiteral(node)) {
+        return node.quasis[0].value.cooked.trim();
+      }
+
+      return null;
+    }
+    /**
+     * Report a restricted path.
+     * @param {node} node representing the restricted path reference
+     * @param {string} name restricted path
+     * @returns {void}
+     * @private
+     */
+
+
+    function reportPath(node, name) {
+      const customMessage = restrictedPathMessages[name];
+      const messageId = customMessage ? "customMessage" : "defaultMessage";
+      context.report({
+        node,
+        messageId,
+        data: {
+          name,
+          customMessage
+        }
+      });
+    }
+    /**
+     * Check if the given name is a restricted path name
+     * @param {string} name name of a variable
+     * @returns {boolean} whether the variable is a restricted path or not
+     * @private
+     */
+
+
+    function isRestrictedPath(name) {
+      return Object.prototype.hasOwnProperty.call(restrictedPathMessages, name);
+    }
+
+    return {
+      CallExpression(node) {
+        if (isRequireCall(node)) {
+          // node has arguments
+          if (node.arguments.length) {
+            const name = getFirstArgumentString(node.arguments[0]); // if first argument is a string literal or a static string template literal
+
+            if (name) {
+              // check if argument value is in restricted modules array
+              if (isRestrictedPath(name)) {
+                reportPath(node, name);
+              }
+
+              if (restrictedPatterns.length > 0 && ig.ignores(name)) {
+                context.report({
+                  node,
+                  messageId: "patternMessage",
+                  data: {
+                    name
+                  }
+                });
+              }
+            }
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 613 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow certain object properties
+ * @author Will Klein & Eli White
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow certain properties on certain objects",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-properties"
+    },
+    schema: {
+      type: "array",
+      items: {
+        anyOf: [// `object` and `property` are both optional, but at least one of them must be provided.
+        {
+          type: "object",
+          properties: {
+            object: {
+              type: "string"
+            },
+            property: {
+              type: "string"
+            },
+            message: {
+              type: "string"
+            }
+          },
+          additionalProperties: false,
+          required: ["object"]
+        }, {
+          type: "object",
+          properties: {
+            object: {
+              type: "string"
+            },
+            property: {
+              type: "string"
+            },
+            message: {
+              type: "string"
+            }
+          },
+          additionalProperties: false,
+          required: ["property"]
+        }]
+      },
+      uniqueItems: true
+    },
+    messages: {
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      restrictedObjectProperty: "'{{objectName}}.{{propertyName}}' is restricted from being used.{{message}}",
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      restrictedProperty: "'{{propertyName}}' is restricted from being used.{{message}}"
+    }
+  },
+
+  create(context) {
+    const restrictedCalls = context.options;
+
+    if (restrictedCalls.length === 0) {
+      return {};
+    }
+
+    const restrictedProperties = new Map();
+    const globallyRestrictedObjects = new Map();
+    const globallyRestrictedProperties = new Map();
+    restrictedCalls.forEach(option => {
+      const objectName = option.object;
+      const propertyName = option.property;
+
+      if (typeof objectName === "undefined") {
+        globallyRestrictedProperties.set(propertyName, {
+          message: option.message
+        });
+      } else if (typeof propertyName === "undefined") {
+        globallyRestrictedObjects.set(objectName, {
+          message: option.message
+        });
+      } else {
+        if (!restrictedProperties.has(objectName)) {
+          restrictedProperties.set(objectName, new Map());
+        }
+
+        restrictedProperties.get(objectName).set(propertyName, {
+          message: option.message
+        });
+      }
+    });
+    /**
+     * Checks to see whether a property access is restricted, and reports it if so.
+     * @param {ASTNode} node The node to report
+     * @param {string} objectName The name of the object
+     * @param {string} propertyName The name of the property
+     * @returns {undefined}
+     */
+
+    function checkPropertyAccess(node, objectName, propertyName) {
+      if (propertyName === null) {
+        return;
+      }
+
+      const matchedObject = restrictedProperties.get(objectName);
+      const matchedObjectProperty = matchedObject ? matchedObject.get(propertyName) : globallyRestrictedObjects.get(objectName);
+      const globalMatchedProperty = globallyRestrictedProperties.get(propertyName);
+
+      if (matchedObjectProperty) {
+        const message = matchedObjectProperty.message ? " ".concat(matchedObjectProperty.message) : "";
+        context.report({
+          node,
+          messageId: "restrictedObjectProperty",
+          data: {
+            objectName,
+            propertyName,
+            message
+          }
+        });
+      } else if (globalMatchedProperty) {
+        const message = globalMatchedProperty.message ? " ".concat(globalMatchedProperty.message) : "";
+        context.report({
+          node,
+          messageId: "restrictedProperty",
+          data: {
+            propertyName,
+            message
+          }
+        });
+      }
+    }
+    /**
+     * Checks property accesses in a destructuring assignment expression, e.g. `var foo; ({foo} = bar);`
+     * @param {ASTNode} node An AssignmentExpression or AssignmentPattern node
+     * @returns {undefined}
+     */
+
+
+    function checkDestructuringAssignment(node) {
+      if (node.right.type === "Identifier") {
+        const objectName = node.right.name;
+
+        if (node.left.type === "ObjectPattern") {
+          node.left.properties.forEach(property => {
+            checkPropertyAccess(node.left, objectName, astUtils.getStaticPropertyName(property));
+          });
+        }
+      }
+    }
+
+    return {
+      MemberExpression(node) {
+        checkPropertyAccess(node, node.object && node.object.name, astUtils.getStaticPropertyName(node));
+      },
+
+      VariableDeclarator(node) {
+        if (node.init && node.init.type === "Identifier") {
+          const objectName = node.init.name;
+
+          if (node.id.type === "ObjectPattern") {
+            node.id.properties.forEach(property => {
+              checkPropertyAccess(node.id, objectName, astUtils.getStaticPropertyName(property));
+            });
+          }
+        }
+      },
+
+      AssignmentExpression: checkDestructuringAssignment,
+      AssignmentPattern: checkDestructuringAssignment
+    };
+  }
+
+};
+
+/***/ }),
+/* 614 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of certain node types
+ * @author Burak Yigit Kaya
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified syntax",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-restricted-syntax"
+    },
+    schema: {
+      type: "array",
+      items: {
+        oneOf: [{
+          type: "string"
+        }, {
+          type: "object",
+          properties: {
+            selector: {
+              type: "string"
+            },
+            message: {
+              type: "string"
+            }
+          },
+          required: ["selector"],
+          additionalProperties: false
+        }]
+      },
+      uniqueItems: true,
+      minItems: 0
+    },
+    messages: {
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      restrictedSyntax: "{{message}}"
+    }
+  },
+
+  create(context) {
+    return context.options.reduce((result, selectorOrObject) => {
+      const isStringFormat = typeof selectorOrObject === "string";
+      const hasCustomMessage = !isStringFormat && Boolean(selectorOrObject.message);
+      const selector = isStringFormat ? selectorOrObject : selectorOrObject.selector;
+      const message = hasCustomMessage ? selectorOrObject.message : "Using '".concat(selector, "' is not allowed.");
+      return Object.assign(result, {
+        [selector](node) {
+          context.report({
+            node,
+            messageId: "restrictedSyntax",
+            data: {
+              message
+            }
+          });
+        }
+
+      });
+    }, {});
+  }
+
+};
+
+/***/ }),
+/* 615 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when return statement contains assignment
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const SENTINEL_TYPE = /^(?:[a-zA-Z]+?Statement|ArrowFunctionExpression|FunctionExpression|ClassExpression)$/u; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow assignment operators in `return` statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-return-assign"
+    },
+    schema: [{
+      enum: ["except-parens", "always"]
+    }],
+    messages: {
+      returnAssignment: "Return statement should not contain assignment.",
+      arrowAssignment: "Arrow function should not return assignment."
+    }
+  },
+
+  create(context) {
+    const always = (context.options[0] || "except-parens") !== "except-parens";
+    const sourceCode = context.getSourceCode();
+    return {
+      AssignmentExpression(node) {
+        if (!always && astUtils.isParenthesised(sourceCode, node)) {
+          return;
+        }
+
+        let currentChild = node;
+        let parent = currentChild.parent; // Find ReturnStatement or ArrowFunctionExpression in ancestors.
+
+        while (parent && !SENTINEL_TYPE.test(parent.type)) {
+          currentChild = parent;
+          parent = parent.parent;
+        } // Reports.
+
+
+        if (parent && parent.type === "ReturnStatement") {
+          context.report({
+            node: parent,
+            messageId: "returnAssignment"
+          });
+        } else if (parent && parent.type === "ArrowFunctionExpression" && parent.body === currentChild) {
+          context.report({
+            node: parent,
+            messageId: "arrowAssignment"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 616 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows unnecessary `return await`
+ * @author Jordan Harband
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary `return await`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-return-await"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      redundantUseOfAwait: "Redundant use of `await` on a return value."
+    }
+  },
+
+  create(context) {
+    /**
+     * Reports a found unnecessary `await` expression.
+     * @param {ASTNode} node The node representing the `await` expression to report
+     * @returns {void}
+     */
+    function reportUnnecessaryAwait(node) {
+      context.report({
+        node: context.getSourceCode().getFirstToken(node),
+        loc: node.loc,
+        messageId: "redundantUseOfAwait"
+      });
+    }
+    /**
+     * Determines whether a thrown error from this node will be caught/handled within this function rather than immediately halting
+     * this function. For example, a statement in a `try` block will always have an error handler. A statement in
+     * a `catch` block will only have an error handler if there is also a `finally` block.
+     * @param {ASTNode} node A node representing a location where an could be thrown
+     * @returns {boolean} `true` if a thrown error will be caught/handled in this function
+     */
+
+
+    function hasErrorHandler(node) {
+      let ancestor = node;
+
+      while (!astUtils.isFunction(ancestor) && ancestor.type !== "Program") {
+        if (ancestor.parent.type === "TryStatement" && (ancestor === ancestor.parent.block || ancestor === ancestor.parent.handler && ancestor.parent.finalizer)) {
+          return true;
+        }
+
+        ancestor = ancestor.parent;
+      }
+
+      return false;
+    }
+    /**
+     * Checks if a node is placed in tail call position. Once `return` arguments (or arrow function expressions) can be a complex expression,
+     * an `await` expression could or could not be unnecessary by the definition of this rule. So we're looking for `await` expressions that are in tail position.
+     * @param {ASTNode} node A node representing the `await` expression to check
+     * @returns {boolean} The checking result
+     */
+
+
+    function isInTailCallPosition(node) {
+      if (node.parent.type === "ArrowFunctionExpression") {
+        return true;
+      }
+
+      if (node.parent.type === "ReturnStatement") {
+        return !hasErrorHandler(node.parent);
+      }
+
+      if (node.parent.type === "ConditionalExpression" && (node === node.parent.consequent || node === node.parent.alternate)) {
+        return isInTailCallPosition(node.parent);
+      }
+
+      if (node.parent.type === "LogicalExpression" && node === node.parent.right) {
+        return isInTailCallPosition(node.parent);
+      }
+
+      if (node.parent.type === "SequenceExpression" && node === node.parent.expressions[node.parent.expressions.length - 1]) {
+        return isInTailCallPosition(node.parent);
+      }
+
+      return false;
+    }
+
+    return {
+      AwaitExpression(node) {
+        if (isInTailCallPosition(node) && !hasErrorHandler(node)) {
+          reportUnnecessaryAwait(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 617 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when using javascript: urls
+ * @author Ilya Volodin
+ */
+
+/* jshint scripturl: true */
+
+/* eslint no-script-url: 0 */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `javascript:` urls",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-script-url"
+    },
+    schema: [],
+    messages: {
+      unexpectedScriptURL: "Script URL is a form of eval."
+    }
+  },
+
+  create(context) {
+    return {
+      Literal(node) {
+        if (node.value && typeof node.value === "string") {
+          const value = node.value.toLowerCase();
+
+          if (value.indexOf("javascript:") === 0) {
+            context.report({
+              node,
+              messageId: "unexpectedScriptURL"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 618 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow assignments where both sides are exactly the same
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const SPACES = /\s+/gu;
+/**
+ * Checks whether the property of 2 given member expression nodes are the same
+ * property or not.
+ * @param {ASTNode} left A member expression node to check.
+ * @param {ASTNode} right Another member expression node to check.
+ * @returns {boolean} `true` if the member expressions have the same property.
+ */
+
+function isSameProperty(left, right) {
+  if (left.property.type === "Identifier" && left.property.type === right.property.type && left.property.name === right.property.name && left.computed === right.computed) {
+    return true;
+  }
+
+  const lname = astUtils.getStaticPropertyName(left);
+  const rname = astUtils.getStaticPropertyName(right);
+  return lname !== null && lname === rname;
+}
+/**
+ * Checks whether 2 given member expression nodes are the reference to the same
+ * property or not.
+ * @param {ASTNode} left A member expression node to check.
+ * @param {ASTNode} right Another member expression node to check.
+ * @returns {boolean} `true` if the member expressions are the reference to the
+ *  same property or not.
+ */
+
+
+function isSameMember(left, right) {
+  if (!isSameProperty(left, right)) {
+    return false;
+  }
+
+  const lobj = left.object;
+  const robj = right.object;
+
+  if (lobj.type !== robj.type) {
+    return false;
+  }
+
+  if (lobj.type === "MemberExpression") {
+    return isSameMember(lobj, robj);
+  }
+
+  if (lobj.type === "ThisExpression") {
+    return true;
+  }
+
+  return lobj.type === "Identifier" && lobj.name === robj.name;
+}
+/**
+ * Traverses 2 Pattern nodes in parallel, then reports self-assignments.
+ * @param {ASTNode|null} left A left node to traverse. This is a Pattern or
+ *      a Property.
+ * @param {ASTNode|null} right A right node to traverse. This is a Pattern or
+ *      a Property.
+ * @param {boolean} props The flag to check member expressions as well.
+ * @param {Function} report A callback function to report.
+ * @returns {void}
+ */
+
+
+function eachSelfAssignment(left, right, props, report) {
+  if (!left || !right) {// do nothing
+  } else if (left.type === "Identifier" && right.type === "Identifier" && left.name === right.name) {
+    report(right);
+  } else if (left.type === "ArrayPattern" && right.type === "ArrayExpression") {
+    const end = Math.min(left.elements.length, right.elements.length);
+
+    for (let i = 0; i < end; ++i) {
+      const leftElement = left.elements[i];
+      const rightElement = right.elements[i]; // Avoid cases such as [...a] = [...a, 1]
+
+      if (leftElement && leftElement.type === "RestElement" && i < right.elements.length - 1) {
+        break;
+      }
+
+      eachSelfAssignment(leftElement, rightElement, props, report); // After a spread element, those indices are unknown.
+
+      if (rightElement && rightElement.type === "SpreadElement") {
+        break;
+      }
+    }
+  } else if (left.type === "RestElement" && right.type === "SpreadElement") {
+    eachSelfAssignment(left.argument, right.argument, props, report);
+  } else if (left.type === "ObjectPattern" && right.type === "ObjectExpression" && right.properties.length >= 1) {
+    /*
+     * Gets the index of the last spread property.
+     * It's possible to overwrite properties followed by it.
+     */
+    let startJ = 0;
+
+    for (let i = right.properties.length - 1; i >= 0; --i) {
+      const propType = right.properties[i].type;
+
+      if (propType === "SpreadElement" || propType === "ExperimentalSpreadProperty") {
+        startJ = i + 1;
+        break;
+      }
+    }
+
+    for (let i = 0; i < left.properties.length; ++i) {
+      for (let j = startJ; j < right.properties.length; ++j) {
+        eachSelfAssignment(left.properties[i], right.properties[j], props, report);
+      }
+    }
+  } else if (left.type === "Property" && right.type === "Property" && right.kind === "init" && !right.method) {
+    const leftName = astUtils.getStaticPropertyName(left);
+
+    if (leftName !== null && leftName === astUtils.getStaticPropertyName(right)) {
+      eachSelfAssignment(left.value, right.value, props, report);
+    }
+  } else if (props && left.type === "MemberExpression" && right.type === "MemberExpression" && isSameMember(left, right)) {
+    report(right);
+  }
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow assignments where both sides are exactly the same",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-self-assign"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        props: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      selfAssignment: "'{{name}}' is assigned to itself."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const [{
+      props = true
+    } = {}] = context.options;
+    /**
+     * Reports a given node as self assignments.
+     * @param {ASTNode} node A node to report. This is an Identifier node.
+     * @returns {void}
+     */
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "selfAssignment",
+        data: {
+          name: sourceCode.getText(node).replace(SPACES, "")
+        }
+      });
+    }
+
+    return {
+      AssignmentExpression(node) {
+        if (node.operator === "=") {
+          eachSelfAssignment(node.left, node.right, props, report);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 619 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag comparison where left part is the same as the right
+ * part.
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow comparisons where both sides are exactly the same",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-self-compare"
+    },
+    schema: [],
+    messages: {
+      comparingToSelf: "Comparing to itself is potentially pointless."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Determines whether two nodes are composed of the same tokens.
+     * @param {ASTNode} nodeA The first node
+     * @param {ASTNode} nodeB The second node
+     * @returns {boolean} true if the nodes have identical token representations
+     */
+
+    function hasSameTokens(nodeA, nodeB) {
+      const tokensA = sourceCode.getTokens(nodeA);
+      const tokensB = sourceCode.getTokens(nodeB);
+      return tokensA.length === tokensB.length && tokensA.every((token, index) => token.type === tokensB[index].type && token.value === tokensB[index].value);
+    }
+
+    return {
+      BinaryExpression(node) {
+        const operators = new Set(["===", "==", "!==", "!=", ">", "<", ">=", "<="]);
+
+        if (operators.has(node.operator) && hasSameTokens(node.left, node.right)) {
+          context.report({
+            node,
+            messageId: "comparingToSelf"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 620 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of comma operator
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow comma operators",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-sequences"
+    },
+    schema: [],
+    messages: {
+      unexpectedCommaExpression: "Unexpected use of comma operator."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Parts of the grammar that are required to have parens.
+     */
+
+    const parenthesized = {
+      DoWhileStatement: "test",
+      IfStatement: "test",
+      SwitchStatement: "discriminant",
+      WhileStatement: "test",
+      WithStatement: "object",
+      ArrowFunctionExpression: "body"
+      /*
+       * Omitting CallExpression - commas are parsed as argument separators
+       * Omitting NewExpression - commas are parsed as argument separators
+       * Omitting ForInStatement - parts aren't individually parenthesised
+       * Omitting ForStatement - parts aren't individually parenthesised
+       */
+
+    };
+    /**
+     * Determines whether a node is required by the grammar to be wrapped in
+     * parens, e.g. the test of an if statement.
+     * @param {ASTNode} node The AST node
+     * @returns {boolean} True if parens around node belong to parent node.
+     */
+
+    function requiresExtraParens(node) {
+      return node.parent && parenthesized[node.parent.type] && node === node.parent[parenthesized[node.parent.type]];
+    }
+    /**
+     * Check if a node is wrapped in parens.
+     * @param {ASTNode} node The AST node
+     * @returns {boolean} True if the node has a paren on each side.
+     */
+
+
+    function isParenthesised(node) {
+      return astUtils.isParenthesised(sourceCode, node);
+    }
+    /**
+     * Check if a node is wrapped in two levels of parens.
+     * @param {ASTNode} node The AST node
+     * @returns {boolean} True if two parens surround the node on each side.
+     */
+
+
+    function isParenthesisedTwice(node) {
+      const previousToken = sourceCode.getTokenBefore(node, 1),
+            nextToken = sourceCode.getTokenAfter(node, 1);
+      return isParenthesised(node) && previousToken && nextToken && astUtils.isOpeningParenToken(previousToken) && previousToken.range[1] <= node.range[0] && astUtils.isClosingParenToken(nextToken) && nextToken.range[0] >= node.range[1];
+    }
+
+    return {
+      SequenceExpression(node) {
+        // Always allow sequences in for statement update
+        if (node.parent.type === "ForStatement" && (node === node.parent.init || node === node.parent.update)) {
+          return;
+        } // Wrapping a sequence in extra parens indicates intent
+
+
+        if (requiresExtraParens(node)) {
+          if (isParenthesisedTwice(node)) {
+            return;
+          }
+        } else {
+          if (isParenthesised(node)) {
+            return;
+          }
+        }
+
+        const firstCommaToken = sourceCode.getTokenAfter(node.expressions[0], astUtils.isCommaToken);
+        context.report({
+          node,
+          loc: firstCommaToken.loc,
+          messageId: "unexpectedCommaExpression"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 621 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow returning values from setters
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const {
+  findVariable
+} = __webpack_require__(549); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given identifier node is a reference to a global variable.
+ * @param {ASTNode} node `Identifier` node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} True if the identifier is a reference to a global variable.
+ */
+
+
+function isGlobalReference(node, scope) {
+  const variable = findVariable(scope, node);
+  return variable !== null && variable.scope.type === "global" && variable.defs.length === 0;
+}
+/**
+ * Determines whether the given node is an argument of the specified global method call, at the given `index` position.
+ * E.g., for given `index === 1`, this function checks for `objectName.methodName(foo, node)`, where objectName is a global variable.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @param {string} objectName Name of the global object.
+ * @param {string} methodName Name of the method.
+ * @param {number} index The given position.
+ * @returns {boolean} `true` if the node is argument at the given position.
+ */
+
+
+function isArgumentOfGlobalMethodCall(node, scope, objectName, methodName, index) {
+  const parent = node.parent;
+  return parent.type === "CallExpression" && parent.arguments[index] === node && parent.callee.type === "MemberExpression" && astUtils.getStaticPropertyName(parent.callee) === methodName && parent.callee.object.type === "Identifier" && parent.callee.object.name === objectName && isGlobalReference(parent.callee.object, scope);
+}
+/**
+ * Determines whether the given node is used as a property descriptor.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} `true` if the node is a property descriptor.
+ */
+
+
+function isPropertyDescriptor(node, scope) {
+  if (isArgumentOfGlobalMethodCall(node, scope, "Object", "defineProperty", 2) || isArgumentOfGlobalMethodCall(node, scope, "Reflect", "defineProperty", 2)) {
+    return true;
+  }
+
+  const parent = node.parent;
+
+  if (parent.type === "Property" && parent.value === node) {
+    const grandparent = parent.parent;
+
+    if (grandparent.type === "ObjectExpression" && (isArgumentOfGlobalMethodCall(grandparent, scope, "Object", "create", 1) || isArgumentOfGlobalMethodCall(grandparent, scope, "Object", "defineProperties", 1))) {
+      return true;
+    }
+  }
+
+  return false;
+}
+/**
+ * Determines whether the given function node is used as a setter function.
+ * @param {ASTNode} node The node to check.
+ * @param {Scope} scope Scope to which the node belongs.
+ * @returns {boolean} `true` if the node is a setter.
+ */
+
+
+function isSetter(node, scope) {
+  const parent = node.parent;
+
+  if (parent.kind === "set" && parent.value === node) {
+    // Setter in an object literal or in a class
+    return true;
+  }
+
+  if (parent.type === "Property" && parent.value === node && astUtils.getStaticPropertyName(parent) === "set" && parent.parent.type === "ObjectExpression" && isPropertyDescriptor(parent.parent, scope)) {
+    // Setter in a property descriptor
+    return true;
+  }
+
+  return false;
+}
+/**
+ * Finds function's outer scope.
+ * @param {Scope} scope Function's own scope.
+ * @returns {Scope} Function's outer scope.
+ */
+
+
+function getOuterScope(scope) {
+  const upper = scope.upper;
+
+  if (upper.type === "function-expression-name") {
+    return upper.upper;
+  }
+
+  return upper;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow returning values from setters",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-setter-return"
+    },
+    schema: [],
+    messages: {
+      returnsValue: "Setter cannot return a value."
+    }
+  },
+
+  create(context) {
+    let funcInfo = null;
+    /**
+     * Creates and pushes to the stack a function info object for the given function node.
+     * @param {ASTNode} node The function node.
+     * @returns {void}
+     */
+
+    function enterFunction(node) {
+      const outerScope = getOuterScope(context.getScope());
+      funcInfo = {
+        upper: funcInfo,
+        isSetter: isSetter(node, outerScope)
+      };
+    }
+    /**
+     * Pops the current function info object from the stack.
+     * @returns {void}
+     */
+
+
+    function exitFunction() {
+      funcInfo = funcInfo.upper;
+    }
+    /**
+     * Reports the given node.
+     * @param {ASTNode} node Node to report.
+     * @returns {void}
+     */
+
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "returnsValue"
+      });
+    }
+
+    return {
+      /*
+       * Function declarations cannot be setters, but we still have to track them in the `funcInfo` stack to avoid
+       * false positives, because a ReturnStatement node can belong to a function declaration inside a setter.
+       *
+       * Note: A previously declared function can be referenced and actually used as a setter in a property descriptor,
+       * but that's out of scope for this rule.
+       */
+      FunctionDeclaration: enterFunction,
+      FunctionExpression: enterFunction,
+
+      ArrowFunctionExpression(node) {
+        enterFunction(node);
+
+        if (funcInfo.isSetter && node.expression) {
+          // { set: foo => bar } property descriptor. Report implicit return 'bar' as the equivalent for a return statement.
+          report(node.body);
+        }
+      },
+
+      "FunctionDeclaration:exit": exitFunction,
+      "FunctionExpression:exit": exitFunction,
+      "ArrowFunctionExpression:exit": exitFunction,
+
+      ReturnStatement(node) {
+        // Global returns (e.g., at the top level of a Node module) don't have `funcInfo`.
+        if (funcInfo && funcInfo.isSetter && node.argument) {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 622 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag on declaring variables already declared in the outer scope
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow variable declarations from shadowing variables declared in the outer scope",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-shadow"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        builtinGlobals: {
+          type: "boolean",
+          default: false
+        },
+        hoist: {
+          enum: ["all", "functions", "never"],
+          default: "functions"
+        },
+        allow: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      noShadow: "'{{name}}' is already declared in the upper scope."
+    }
+  },
+
+  create(context) {
+    const options = {
+      builtinGlobals: context.options[0] && context.options[0].builtinGlobals,
+      hoist: context.options[0] && context.options[0].hoist || "functions",
+      allow: context.options[0] && context.options[0].allow || []
+    };
+    /**
+     * Check if variable name is allowed.
+     * @param  {ASTNode} variable The variable to check.
+     * @returns {boolean} Whether or not the variable name is allowed.
+     */
+
+    function isAllowed(variable) {
+      return options.allow.indexOf(variable.name) !== -1;
+    }
+    /**
+     * Checks if a variable of the class name in the class scope of ClassDeclaration.
+     *
+     * ClassDeclaration creates two variables of its name into its outer scope and its class scope.
+     * So we should ignore the variable in the class scope.
+     * @param {Object} variable The variable to check.
+     * @returns {boolean} Whether or not the variable of the class name in the class scope of ClassDeclaration.
+     */
+
+
+    function isDuplicatedClassNameVariable(variable) {
+      const block = variable.scope.block;
+      return block.type === "ClassDeclaration" && block.id === variable.identifiers[0];
+    }
+    /**
+     * Checks if a variable is inside the initializer of scopeVar.
+     *
+     * To avoid reporting at declarations such as `var a = function a() {};`.
+     * But it should report `var a = function(a) {};` or `var a = function() { function a() {} };`.
+     * @param {Object} variable The variable to check.
+     * @param {Object} scopeVar The scope variable to look for.
+     * @returns {boolean} Whether or not the variable is inside initializer of scopeVar.
+     */
+
+
+    function isOnInitializer(variable, scopeVar) {
+      const outerScope = scopeVar.scope;
+      const outerDef = scopeVar.defs[0];
+      const outer = outerDef && outerDef.parent && outerDef.parent.range;
+      const innerScope = variable.scope;
+      const innerDef = variable.defs[0];
+      const inner = innerDef && innerDef.name.range;
+      return outer && inner && outer[0] < inner[0] && inner[1] < outer[1] && (innerDef.type === "FunctionName" && innerDef.node.type === "FunctionExpression" || innerDef.node.type === "ClassExpression") && outerScope === innerScope.upper;
+    }
+    /**
+     * Get a range of a variable's identifier node.
+     * @param {Object} variable The variable to get.
+     * @returns {Array|undefined} The range of the variable's identifier node.
+     */
+
+
+    function getNameRange(variable) {
+      const def = variable.defs[0];
+      return def && def.name.range;
+    }
+    /**
+     * Checks if a variable is in TDZ of scopeVar.
+     * @param {Object} variable The variable to check.
+     * @param {Object} scopeVar The variable of TDZ.
+     * @returns {boolean} Whether or not the variable is in TDZ of scopeVar.
+     */
+
+
+    function isInTdz(variable, scopeVar) {
+      const outerDef = scopeVar.defs[0];
+      const inner = getNameRange(variable);
+      const outer = getNameRange(scopeVar);
+      return inner && outer && inner[1] < outer[0] && ( // Excepts FunctionDeclaration if is {"hoist":"function"}.
+      options.hoist !== "functions" || !outerDef || outerDef.node.type !== "FunctionDeclaration");
+    }
+    /**
+     * Checks the current context for shadowed variables.
+     * @param {Scope} scope Fixme
+     * @returns {void}
+     */
+
+
+    function checkForShadows(scope) {
+      const variables = scope.variables;
+
+      for (let i = 0; i < variables.length; ++i) {
+        const variable = variables[i]; // Skips "arguments" or variables of a class name in the class scope of ClassDeclaration.
+
+        if (variable.identifiers.length === 0 || isDuplicatedClassNameVariable(variable) || isAllowed(variable)) {
+          continue;
+        } // Gets shadowed variable.
+
+
+        const shadowed = astUtils.getVariableByName(scope.upper, variable.name);
+
+        if (shadowed && (shadowed.identifiers.length > 0 || options.builtinGlobals && "writeable" in shadowed) && !isOnInitializer(variable, shadowed) && !(options.hoist !== "all" && isInTdz(variable, shadowed))) {
+          context.report({
+            node: variable.identifiers[0],
+            messageId: "noShadow",
+            data: variable
+          });
+        }
+      }
+    }
+
+    return {
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        const stack = globalScope.childScopes.slice();
+
+        while (stack.length) {
+          const scope = stack.pop();
+          stack.push(...scope.childScopes);
+          checkForShadows(scope);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 623 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow shadowing of NaN, undefined, and Infinity (ES5 section 15.1.1)
+ * @author Michael Ficarra
+ */
+
+/**
+ * Determines if a variable safely shadows undefined.
+ * This is the case when a variable named `undefined` is never assigned to a value (i.e. it always shares the same value
+ * as the global).
+ * @param {eslintScope.Variable} variable The variable to check
+ * @returns {boolean} true if this variable safely shadows `undefined`
+ */
+
+function safelyShadowsUndefined(variable) {
+  return variable.name === "undefined" && variable.references.every(ref => !ref.isWrite()) && variable.defs.every(def => def.node.type === "VariableDeclarator" && def.node.init === null);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow identifiers from shadowing restricted names",
+      category: "Variables",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-shadow-restricted-names"
+    },
+    schema: [],
+    messages: {
+      shadowingRestrictedName: "Shadowing of global property '{{name}}'."
+    }
+  },
+
+  create(context) {
+    const RESTRICTED = new Set(["undefined", "NaN", "Infinity", "arguments", "eval"]);
+    return {
+      "VariableDeclaration, :function, CatchClause"(node) {
+        for (const variable of context.getDeclaredVariables(node)) {
+          if (variable.defs.length > 0 && RESTRICTED.has(variable.name) && !safelyShadowsUndefined(variable)) {
+            context.report({
+              node: variable.defs[0].name,
+              messageId: "shadowingRestrictedName",
+              data: {
+                name: variable.name
+              }
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 624 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check that spaced function application
+ * @author Matt DuVall <http://www.mattduvall.com>
+ * @deprecated in ESLint v3.3.0
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow spacing between function identifiers and their applications (deprecated)",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-spaced-func"
+    },
+    deprecated: true,
+    replacedBy: ["func-call-spacing"],
+    fixable: "whitespace",
+    schema: [],
+    messages: {
+      noSpacedFunction: "Unexpected space between function name and paren."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Check if open space is present in a function name
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+    function detectOpenSpaces(node) {
+      const lastCalleeToken = sourceCode.getLastToken(node.callee);
+      let prevToken = lastCalleeToken,
+          parenToken = sourceCode.getTokenAfter(lastCalleeToken); // advances to an open parenthesis.
+
+      while (parenToken && parenToken.range[1] < node.range[1] && parenToken.value !== "(") {
+        prevToken = parenToken;
+        parenToken = sourceCode.getTokenAfter(parenToken);
+      } // look for a space between the callee and the open paren
+
+
+      if (parenToken && parenToken.range[1] < node.range[1] && sourceCode.isSpaceBetweenTokens(prevToken, parenToken)) {
+        context.report({
+          node,
+          loc: lastCalleeToken.loc.start,
+          messageId: "noSpacedFunction",
+
+          fix(fixer) {
+            return fixer.removeRange([prevToken.range[1], parenToken.range[0]]);
+          }
+
+        });
+      }
+    }
+
+    return {
+      CallExpression: detectOpenSpaces,
+      NewExpression: detectOpenSpaces
+    };
+  }
+
+};
+
+/***/ }),
+/* 625 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow sparse arrays
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow sparse arrays",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-sparse-arrays"
+    },
+    schema: [],
+    messages: {
+      unexpectedSparseArray: "Unexpected comma in middle of array."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+    return {
+      ArrayExpression(node) {
+        const emptySpot = node.elements.indexOf(null) > -1;
+
+        if (emptySpot) {
+          context.report({
+            node,
+            messageId: "unexpectedSparseArray"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 626 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for properties whose identifier ends with the string Sync
+ * @author Matt DuVall<http://mattduvall.com/>
+ */
+
+/* jshint node:true */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow synchronous methods",
+      category: "Node.js and CommonJS",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-sync"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowAtRootLevel: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      noSync: "Unexpected sync method: '{{propertyName}}'."
+    }
+  },
+
+  create(context) {
+    const selector = context.options[0] && context.options[0].allowAtRootLevel ? ":function MemberExpression[property.name=/.*Sync$/]" : "MemberExpression[property.name=/.*Sync$/]";
+    return {
+      [selector](node) {
+        context.report({
+          node,
+          messageId: "noSync",
+          data: {
+            propertyName: node.property.name
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 627 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for tabs inside a file
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const tabRegex = /\t+/gu;
+const anyNonWhitespaceRegex = /\S/u; //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow all tabs",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-tabs"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowIndentationTabs: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedTab: "Unexpected tab character."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const allowIndentationTabs = context.options && context.options[0] && context.options[0].allowIndentationTabs;
+    return {
+      Program(node) {
+        sourceCode.getLines().forEach((line, index) => {
+          let match;
+
+          while ((match = tabRegex.exec(line)) !== null) {
+            if (allowIndentationTabs && !anyNonWhitespaceRegex.test(line.slice(0, match.index))) {
+              continue;
+            }
+
+            context.report({
+              node,
+              loc: {
+                start: {
+                  line: index + 1,
+                  column: match.index
+                },
+                end: {
+                  line: index + 1,
+                  column: match.index + match[0].length
+                }
+              },
+              messageId: "unexpectedTab"
+            });
+          }
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 628 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Warn when using template string syntax in regular strings
+ * @author Jeroen Engels
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow template literal placeholder syntax in regular strings",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-template-curly-in-string"
+    },
+    schema: [],
+    messages: {
+      unexpectedTemplateExpression: "Unexpected template string expression."
+    }
+  },
+
+  create(context) {
+    const regex = /\$\{[^}]+\}/u;
+    return {
+      Literal(node) {
+        if (typeof node.value === "string" && regex.test(node.value)) {
+          context.report({
+            node,
+            messageId: "unexpectedTemplateExpression"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 629 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of ternary operators.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow ternary operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-ternary"
+    },
+    schema: [],
+    messages: {
+      noTernaryOperator: "Ternary operator used."
+    }
+  },
+
+  create(context) {
+    return {
+      ConditionalExpression(node) {
+        context.report({
+          node,
+          messageId: "noTernaryOperator"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 630 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow using `this`/`super` before `super()`.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a constructor.
+ * @param {ASTNode} node A node to check. This node type is one of
+ *   `Program`, `FunctionDeclaration`, `FunctionExpression`, and
+ *   `ArrowFunctionExpression`.
+ * @returns {boolean} `true` if the node is a constructor.
+ */
+
+
+function isConstructorFunction(node) {
+  return node.type === "FunctionExpression" && node.parent.type === "MethodDefinition" && node.parent.kind === "constructor";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow `this`/`super` before calling `super()` in constructors",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-this-before-super"
+    },
+    schema: [],
+    messages: {
+      noBeforeSuper: "'{{kind}}' is not allowed before 'super()'."
+    }
+  },
+
+  create(context) {
+    /*
+     * Information for each constructor.
+     * - upper:      Information of the upper constructor.
+     * - hasExtends: A flag which shows whether the owner class has a valid
+     *   `extends` part.
+     * - scope:      The scope of the owner class.
+     * - codePath:   The code path of this constructor.
+     */
+    let funcInfo = null;
+    /*
+     * Information for each code path segment.
+     * Each key is the id of a code path segment.
+     * Each value is an object:
+     * - superCalled:  The flag which shows `super()` called in all code paths.
+     * - invalidNodes: The array of invalid ThisExpression and Super nodes.
+     */
+
+    let segInfoMap = Object.create(null);
+    /**
+     * Gets whether or not `super()` is called in a given code path segment.
+     * @param {CodePathSegment} segment A code path segment to get.
+     * @returns {boolean} `true` if `super()` is called.
+     */
+
+    function isCalled(segment) {
+      return !segment.reachable || segInfoMap[segment.id].superCalled;
+    }
+    /**
+     * Checks whether or not this is in a constructor.
+     * @returns {boolean} `true` if this is in a constructor.
+     */
+
+
+    function isInConstructorOfDerivedClass() {
+      return Boolean(funcInfo && funcInfo.isConstructor && funcInfo.hasExtends);
+    }
+    /**
+     * Checks whether or not this is before `super()` is called.
+     * @returns {boolean} `true` if this is before `super()` is called.
+     */
+
+
+    function isBeforeCallOfSuper() {
+      return isInConstructorOfDerivedClass() && !funcInfo.codePath.currentSegments.every(isCalled);
+    }
+    /**
+     * Sets a given node as invalid.
+     * @param {ASTNode} node A node to set as invalid. This is one of
+     *      a ThisExpression and a Super.
+     * @returns {void}
+     */
+
+
+    function setInvalid(node) {
+      const segments = funcInfo.codePath.currentSegments;
+
+      for (let i = 0; i < segments.length; ++i) {
+        const segment = segments[i];
+
+        if (segment.reachable) {
+          segInfoMap[segment.id].invalidNodes.push(node);
+        }
+      }
+    }
+    /**
+     * Sets the current segment as `super` was called.
+     * @returns {void}
+     */
+
+
+    function setSuperCalled() {
+      const segments = funcInfo.codePath.currentSegments;
+
+      for (let i = 0; i < segments.length; ++i) {
+        const segment = segments[i];
+
+        if (segment.reachable) {
+          segInfoMap[segment.id].superCalled = true;
+        }
+      }
+    }
+
+    return {
+      /**
+       * Adds information of a constructor into the stack.
+       * @param {CodePath} codePath A code path which was started.
+       * @param {ASTNode} node The current node.
+       * @returns {void}
+       */
+      onCodePathStart(codePath, node) {
+        if (isConstructorFunction(node)) {
+          // Class > ClassBody > MethodDefinition > FunctionExpression
+          const classNode = node.parent.parent.parent;
+          funcInfo = {
+            upper: funcInfo,
+            isConstructor: true,
+            hasExtends: Boolean(classNode.superClass && !astUtils.isNullOrUndefined(classNode.superClass)),
+            codePath
+          };
+        } else {
+          funcInfo = {
+            upper: funcInfo,
+            isConstructor: false,
+            hasExtends: false,
+            codePath
+          };
+        }
+      },
+
+      /**
+       * Removes the top of stack item.
+       *
+       * And this treverses all segments of this code path then reports every
+       * invalid node.
+       * @param {CodePath} codePath A code path which was ended.
+       * @returns {void}
+       */
+      onCodePathEnd(codePath) {
+        const isDerivedClass = funcInfo.hasExtends;
+        funcInfo = funcInfo.upper;
+
+        if (!isDerivedClass) {
+          return;
+        }
+
+        codePath.traverseSegments((segment, controller) => {
+          const info = segInfoMap[segment.id];
+
+          for (let i = 0; i < info.invalidNodes.length; ++i) {
+            const invalidNode = info.invalidNodes[i];
+            context.report({
+              messageId: "noBeforeSuper",
+              node: invalidNode,
+              data: {
+                kind: invalidNode.type === "Super" ? "super" : "this"
+              }
+            });
+          }
+
+          if (info.superCalled) {
+            controller.skip();
+          }
+        });
+      },
+
+      /**
+       * Initialize information of a given code path segment.
+       * @param {CodePathSegment} segment A code path segment to initialize.
+       * @returns {void}
+       */
+      onCodePathSegmentStart(segment) {
+        if (!isInConstructorOfDerivedClass()) {
+          return;
+        } // Initialize info.
+
+
+        segInfoMap[segment.id] = {
+          superCalled: segment.prevSegments.length > 0 && segment.prevSegments.every(isCalled),
+          invalidNodes: []
+        };
+      },
+
+      /**
+       * Update information of the code path segment when a code path was
+       * looped.
+       * @param {CodePathSegment} fromSegment The code path segment of the
+       *      end of a loop.
+       * @param {CodePathSegment} toSegment A code path segment of the head
+       *      of a loop.
+       * @returns {void}
+       */
+      onCodePathSegmentLoop(fromSegment, toSegment) {
+        if (!isInConstructorOfDerivedClass()) {
+          return;
+        } // Update information inside of the loop.
+
+
+        funcInfo.codePath.traverseSegments({
+          first: toSegment,
+          last: fromSegment
+        }, (segment, controller) => {
+          const info = segInfoMap[segment.id];
+
+          if (info.superCalled) {
+            info.invalidNodes = [];
+            controller.skip();
+          } else if (segment.prevSegments.length > 0 && segment.prevSegments.every(isCalled)) {
+            info.superCalled = true;
+            info.invalidNodes = [];
+          }
+        });
+      },
+
+      /**
+       * Reports if this is before `super()`.
+       * @param {ASTNode} node A target node.
+       * @returns {void}
+       */
+      ThisExpression(node) {
+        if (isBeforeCallOfSuper()) {
+          setInvalid(node);
+        }
+      },
+
+      /**
+       * Reports if this is before `super()`.
+       * @param {ASTNode} node A target node.
+       * @returns {void}
+       */
+      Super(node) {
+        if (!astUtils.isCallee(node) && isBeforeCallOfSuper()) {
+          setInvalid(node);
+        }
+      },
+
+      /**
+       * Marks `super()` called.
+       * @param {ASTNode} node A target node.
+       * @returns {void}
+       */
+      "CallExpression:exit"(node) {
+        if (node.callee.type === "Super" && isBeforeCallOfSuper()) {
+          setSuperCalled();
+        }
+      },
+
+      /**
+       * Resets state.
+       * @returns {void}
+       */
+      "Program:exit"() {
+        segInfoMap = Object.create(null);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 631 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to restrict what can be thrown as an exception.
+ * @author Dieter Oberkofler
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow throwing literals as exceptions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-throw-literal"
+    },
+    schema: [],
+    messages: {
+      object: "Expected an error object to be thrown.",
+      undef: "Do not throw undefined."
+    }
+  },
+
+  create(context) {
+    return {
+      ThrowStatement(node) {
+        if (!astUtils.couldBeError(node.argument)) {
+          context.report({
+            node,
+            messageId: "object"
+          });
+        } else if (node.argument.type === "Identifier") {
+          if (node.argument.name === "undefined") {
+            context.report({
+              node,
+              messageId: "undef"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 632 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow trailing spaces at the end of lines.
+ * @author Nodeca Team <https://github.com/nodeca>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow trailing whitespace at the end of lines",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-trailing-spaces"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        skipBlankLines: {
+          type: "boolean",
+          default: false
+        },
+        ignoreComments: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      trailingSpace: "Trailing spaces not allowed."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const BLANK_CLASS = "[ \t\u00a0\u2000-\u200b\u3000]",
+          SKIP_BLANK = "^".concat(BLANK_CLASS, "*$"),
+          NONBLANK = "".concat(BLANK_CLASS, "+$");
+    const options = context.options[0] || {},
+          skipBlankLines = options.skipBlankLines || false,
+          ignoreComments = options.ignoreComments || false;
+    /**
+     * Report the error message
+     * @param {ASTNode} node node to report
+     * @param {int[]} location range information
+     * @param {int[]} fixRange Range based on the whole program
+     * @returns {void}
+     */
+
+    function report(node, location, fixRange) {
+      /*
+       * Passing node is a bit dirty, because message data will contain big
+       * text in `source`. But... who cares :) ?
+       * One more kludge will not make worse the bloody wizardry of this
+       * plugin.
+       */
+      context.report({
+        node,
+        loc: location,
+        messageId: "trailingSpace",
+
+        fix(fixer) {
+          return fixer.removeRange(fixRange);
+        }
+
+      });
+    }
+    /**
+     * Given a list of comment nodes, return the line numbers for those comments.
+     * @param {Array} comments An array of comment nodes.
+     * @returns {number[]} An array of line numbers containing comments.
+     */
+
+
+    function getCommentLineNumbers(comments) {
+      const lines = new Set();
+      comments.forEach(comment => {
+        const endLine = comment.type === "Block" ? comment.loc.end.line - 1 : comment.loc.end.line;
+
+        for (let i = comment.loc.start.line; i <= endLine; i++) {
+          lines.add(i);
+        }
+      });
+      return lines;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: function checkTrailingSpaces(node) {
+        /*
+         * Let's hack. Since Espree does not return whitespace nodes,
+         * fetch the source code and do matching via regexps.
+         */
+        const re = new RegExp(NONBLANK, "u"),
+              skipMatch = new RegExp(SKIP_BLANK, "u"),
+              lines = sourceCode.lines,
+              linebreaks = sourceCode.getText().match(astUtils.createGlobalLinebreakMatcher()),
+              comments = sourceCode.getAllComments(),
+              commentLineNumbers = getCommentLineNumbers(comments);
+        let totalLength = 0,
+            fixRange = [];
+
+        for (let i = 0, ii = lines.length; i < ii; i++) {
+          const lineNumber = i + 1;
+          /*
+           * Always add linebreak length to line length to accommodate for line break (\n or \r\n)
+           * Because during the fix time they also reserve one spot in the array.
+           * Usually linebreak length is 2 for \r\n (CRLF) and 1 for \n (LF)
+           */
+
+          const linebreakLength = linebreaks && linebreaks[i] ? linebreaks[i].length : 1;
+          const lineLength = lines[i].length + linebreakLength;
+          const matches = re.exec(lines[i]);
+
+          if (matches) {
+            const location = {
+              start: {
+                line: lineNumber,
+                column: matches.index
+              },
+              end: {
+                line: lineNumber,
+                column: lineLength - linebreakLength
+              }
+            };
+            const rangeStart = totalLength + location.start.column;
+            const rangeEnd = totalLength + location.end.column;
+            const containingNode = sourceCode.getNodeByRangeIndex(rangeStart);
+
+            if (containingNode && containingNode.type === "TemplateElement" && rangeStart > containingNode.parent.range[0] && rangeEnd < containingNode.parent.range[1]) {
+              totalLength += lineLength;
+              continue;
+            }
+            /*
+             * If the line has only whitespace, and skipBlankLines
+             * is true, don't report it
+             */
+
+
+            if (skipBlankLines && skipMatch.test(lines[i])) {
+              totalLength += lineLength;
+              continue;
+            }
+
+            fixRange = [rangeStart, rangeEnd];
+
+            if (!ignoreComments || !commentLineNumbers.has(lineNumber)) {
+              report(node, location, fixRange);
+            }
+          }
+
+          totalLength += lineLength;
+        }
+      }
+    };
+  }
+
+};
+
+/***/ }),
+/* 633 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag references to undeclared variables.
+ * @author Mark Macdonald
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if the given node is the argument of a typeof operator.
+ * @param {ASTNode} node The AST node being checked.
+ * @returns {boolean} Whether or not the node is the argument of a typeof operator.
+ */
+
+function hasTypeOfOperator(node) {
+  const parent = node.parent;
+  return parent.type === "UnaryExpression" && parent.operator === "typeof";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow the use of undeclared variables unless mentioned in `/*global */` comments",
+      category: "Variables",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-undef"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        typeof: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      undef: "'{{name}}' is not defined."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0];
+    const considerTypeOf = options && options.typeof === true || false;
+    return {
+      "Program:exit"()
+      /* node */
+      {
+        const globalScope = context.getScope();
+        globalScope.through.forEach(ref => {
+          const identifier = ref.identifier;
+
+          if (!considerTypeOf && hasTypeOfOperator(identifier)) {
+            return;
+          }
+
+          context.report({
+            node: identifier,
+            messageId: "undef",
+            data: identifier
+          });
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 634 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when initializing to undefined
+ * @author Ilya Volodin
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow initializing variables to `undefined`",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-undef-init"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unnecessaryUndefinedInit: "It's not necessary to initialize '{{name}}' to undefined."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      VariableDeclarator(node) {
+        const name = sourceCode.getText(node.id),
+              init = node.init && node.init.name,
+              scope = context.getScope(),
+              undefinedVar = astUtils.getVariableByName(scope, "undefined"),
+              shadowed = undefinedVar && undefinedVar.defs.length > 0,
+              lastToken = sourceCode.getLastToken(node);
+
+        if (init === "undefined" && node.parent.kind !== "const" && !shadowed) {
+          context.report({
+            node,
+            messageId: "unnecessaryUndefinedInit",
+            data: {
+              name
+            },
+
+            fix(fixer) {
+              if (node.parent.kind === "var") {
+                return null;
+              }
+
+              if (node.id.type === "ArrayPattern" || node.id.type === "ObjectPattern") {
+                // Don't fix destructuring assignment to `undefined`.
+                return null;
+              }
+
+              if (sourceCode.commentsExistBetween(node.id, lastToken)) {
+                return null;
+              }
+
+              return fixer.removeRange([node.id.range[1], node.range[1]]);
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 635 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag references to the undefined variable.
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `undefined` as an identifier",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-undefined"
+    },
+    schema: [],
+    messages: {
+      unexpectedUndefined: "Unexpected use of undefined."
+    }
+  },
+
+  create(context) {
+    /**
+     * Report an invalid "undefined" identifier node.
+     * @param {ASTNode} node The node to report.
+     * @returns {void}
+     */
+    function report(node) {
+      context.report({
+        node,
+        messageId: "unexpectedUndefined"
+      });
+    }
+    /**
+     * Checks the given scope for references to `undefined` and reports
+     * all references found.
+     * @param {eslint-scope.Scope} scope The scope to check.
+     * @returns {void}
+     */
+
+
+    function checkScope(scope) {
+      const undefinedVar = scope.set.get("undefined");
+
+      if (!undefinedVar) {
+        return;
+      }
+
+      const references = undefinedVar.references;
+      const defs = undefinedVar.defs; // Report non-initializing references (those are covered in defs below)
+
+      references.filter(ref => !ref.init).forEach(ref => report(ref.identifier));
+      defs.forEach(def => report(def.name));
+    }
+
+    return {
+      "Program:exit"() {
+        const globalScope = context.getScope();
+        const stack = [globalScope];
+
+        while (stack.length) {
+          const scope = stack.pop();
+          stack.push(...scope.childScopes);
+          checkScope(scope);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 636 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag trailing underscores in variable declarations.
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow dangling underscores in identifiers",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-underscore-dangle"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allow: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        allowAfterThis: {
+          type: "boolean",
+          default: false
+        },
+        allowAfterSuper: {
+          type: "boolean",
+          default: false
+        },
+        allowAfterThisConstructor: {
+          type: "boolean",
+          default: false
+        },
+        enforceInMethodNames: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedUnderscore: "Unexpected dangling '_' in '{{identifier}}'."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const ALLOWED_VARIABLES = options.allow ? options.allow : [];
+    const allowAfterThis = typeof options.allowAfterThis !== "undefined" ? options.allowAfterThis : false;
+    const allowAfterSuper = typeof options.allowAfterSuper !== "undefined" ? options.allowAfterSuper : false;
+    const allowAfterThisConstructor = typeof options.allowAfterThisConstructor !== "undefined" ? options.allowAfterThisConstructor : false;
+    const enforceInMethodNames = typeof options.enforceInMethodNames !== "undefined" ? options.enforceInMethodNames : false; //-------------------------------------------------------------------------
+    // Helpers
+    //-------------------------------------------------------------------------
+
+    /**
+     * Check if identifier is present inside the allowed option
+     * @param {string} identifier name of the node
+     * @returns {boolean} true if its is present
+     * @private
+     */
+
+    function isAllowed(identifier) {
+      return ALLOWED_VARIABLES.some(ident => ident === identifier);
+    }
+    /**
+     * Check if identifier has a underscore at the end
+     * @param {string} identifier name of the node
+     * @returns {boolean} true if its is present
+     * @private
+     */
+
+
+    function hasTrailingUnderscore(identifier) {
+      const len = identifier.length;
+      return identifier !== "_" && (identifier[0] === "_" || identifier[len - 1] === "_");
+    }
+    /**
+     * Check if identifier is a special case member expression
+     * @param {string} identifier name of the node
+     * @returns {boolean} true if its is a special case
+     * @private
+     */
+
+
+    function isSpecialCaseIdentifierForMemberExpression(identifier) {
+      return identifier === "__proto__";
+    }
+    /**
+     * Check if identifier is a special case variable expression
+     * @param {string} identifier name of the node
+     * @returns {boolean} true if its is a special case
+     * @private
+     */
+
+
+    function isSpecialCaseIdentifierInVariableExpression(identifier) {
+      // Checks for the underscore library usage here
+      return identifier === "_";
+    }
+    /**
+     * Check if a node is a member reference of this.constructor
+     * @param {ASTNode} node node to evaluate
+     * @returns {boolean} true if it is a reference on this.constructor
+     * @private
+     */
+
+
+    function isThisConstructorReference(node) {
+      return node.object.type === "MemberExpression" && node.object.property.name === "constructor" && node.object.object.type === "ThisExpression";
+    }
+    /**
+     * Check if function has a underscore at the end
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForTrailingUnderscoreInFunctionDeclaration(node) {
+      if (node.id) {
+        const identifier = node.id.name;
+
+        if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && !isAllowed(identifier)) {
+          context.report({
+            node,
+            messageId: "unexpectedUnderscore",
+            data: {
+              identifier
+            }
+          });
+        }
+      }
+    }
+    /**
+     * Check if variable expression has a underscore at the end
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForTrailingUnderscoreInVariableExpression(node) {
+      const identifier = node.id.name;
+
+      if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && !isSpecialCaseIdentifierInVariableExpression(identifier) && !isAllowed(identifier)) {
+        context.report({
+          node,
+          messageId: "unexpectedUnderscore",
+          data: {
+            identifier
+          }
+        });
+      }
+    }
+    /**
+     * Check if member expression has a underscore at the end
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForTrailingUnderscoreInMemberExpression(node) {
+      const identifier = node.property.name,
+            isMemberOfThis = node.object.type === "ThisExpression",
+            isMemberOfSuper = node.object.type === "Super",
+            isMemberOfThisConstructor = isThisConstructorReference(node);
+
+      if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && !(isMemberOfThis && allowAfterThis) && !(isMemberOfSuper && allowAfterSuper) && !(isMemberOfThisConstructor && allowAfterThisConstructor) && !isSpecialCaseIdentifierForMemberExpression(identifier) && !isAllowed(identifier)) {
+        context.report({
+          node,
+          messageId: "unexpectedUnderscore",
+          data: {
+            identifier
+          }
+        });
+      }
+    }
+    /**
+     * Check if method declaration or method property has a underscore at the end
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkForTrailingUnderscoreInMethod(node) {
+      const identifier = node.key.name;
+      const isMethod = node.type === "MethodDefinition" || node.type === "Property" && node.method;
+
+      if (typeof identifier !== "undefined" && enforceInMethodNames && isMethod && hasTrailingUnderscore(identifier) && !isAllowed(identifier)) {
+        context.report({
+          node,
+          messageId: "unexpectedUnderscore",
+          data: {
+            identifier
+          }
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      FunctionDeclaration: checkForTrailingUnderscoreInFunctionDeclaration,
+      VariableDeclarator: checkForTrailingUnderscoreInVariableExpression,
+      MemberExpression: checkForTrailingUnderscoreInMemberExpression,
+      MethodDefinition: checkForTrailingUnderscoreInMethod,
+      Property: checkForTrailingUnderscoreInMethod
+    };
+  }
+
+};
+
+/***/ }),
+/* 637 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to spot scenarios where a newline looks like it is ending a statement, but is not.
+ * @author Glen Mailer
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow confusing multiline expressions",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unexpected-multiline"
+    },
+    schema: [],
+    messages: {
+      function: "Unexpected newline between function and ( of function call.",
+      property: "Unexpected newline between object and [ of property access.",
+      taggedTemplate: "Unexpected newline between template tag and template literal.",
+      division: "Unexpected newline between numerator and division operator."
+    }
+  },
+
+  create(context) {
+    const REGEX_FLAG_MATCHER = /^[gimsuy]+$/u;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Check to see if there is a newline between the node and the following open bracket
+     * line's expression
+     * @param {ASTNode} node The node to check.
+     * @param {string} messageId The error messageId to use.
+     * @returns {void}
+     * @private
+     */
+
+    function checkForBreakAfter(node, messageId) {
+      const openParen = sourceCode.getTokenAfter(node, astUtils.isNotClosingParenToken);
+      const nodeExpressionEnd = sourceCode.getTokenBefore(openParen);
+
+      if (openParen.loc.start.line !== nodeExpressionEnd.loc.end.line) {
+        context.report({
+          node,
+          loc: openParen.loc.start,
+          messageId,
+          data: {
+            char: openParen.value
+          }
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      MemberExpression(node) {
+        if (!node.computed) {
+          return;
+        }
+
+        checkForBreakAfter(node.object, "property");
+      },
+
+      TaggedTemplateExpression(node) {
+        if (node.tag.loc.end.line === node.quasi.loc.start.line) {
+          return;
+        } // handle generics type parameters on template tags
+
+
+        const tokenBefore = sourceCode.getTokenBefore(node.quasi);
+
+        if (tokenBefore.loc.end.line === node.quasi.loc.start.line) {
+          return;
+        }
+
+        context.report({
+          node,
+          loc: node.loc.start,
+          messageId: "taggedTemplate"
+        });
+      },
+
+      CallExpression(node) {
+        if (node.arguments.length === 0) {
+          return;
+        }
+
+        checkForBreakAfter(node.callee, "function");
+      },
+
+      "BinaryExpression[operator='/'] > BinaryExpression[operator='/'].left"(node) {
+        const secondSlash = sourceCode.getTokenAfter(node, token => token.value === "/");
+        const tokenAfterOperator = sourceCode.getTokenAfter(secondSlash);
+
+        if (tokenAfterOperator.type === "Identifier" && REGEX_FLAG_MATCHER.test(tokenAfterOperator.value) && secondSlash.range[1] === tokenAfterOperator.range[0]) {
+          checkForBreakAfter(node.left, "division");
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 638 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of unmodified expressions in loop conditions
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Traverser = __webpack_require__(639),
+      astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const SENTINEL_PATTERN = /(?:(?:Call|Class|Function|Member|New|Yield)Expression|Statement|Declaration)$/u;
+const LOOP_PATTERN = /^(?:DoWhile|For|While)Statement$/u; // for-in/of statements don't have `test` property.
+
+const GROUP_PATTERN = /^(?:BinaryExpression|ConditionalExpression)$/u;
+const SKIP_PATTERN = /^(?:ArrowFunction|Class|Function)Expression$/u;
+const DYNAMIC_PATTERN = /^(?:Call|Member|New|TaggedTemplate|Yield)Expression$/u;
+/**
+ * @typedef {Object} LoopConditionInfo
+ * @property {eslint-scope.Reference} reference - The reference.
+ * @property {ASTNode} group - BinaryExpression or ConditionalExpression nodes
+ *      that the reference is belonging to.
+ * @property {Function} isInLoop - The predicate which checks a given reference
+ *      is in this loop.
+ * @property {boolean} modified - The flag that the reference is modified in
+ *      this loop.
+ */
+
+/**
+ * Checks whether or not a given reference is a write reference.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is a write reference.
+ */
+
+function isWriteReference(reference) {
+  if (reference.init) {
+    const def = reference.resolved && reference.resolved.defs[0];
+
+    if (!def || def.type !== "Variable" || def.parent.kind !== "var") {
+      return false;
+    }
+  }
+
+  return reference.isWrite();
+}
+/**
+ * Checks whether or not a given loop condition info does not have the modified
+ * flag.
+ * @param {LoopConditionInfo} condition A loop condition info to check.
+ * @returns {boolean} `true` if the loop condition info is "unmodified".
+ */
+
+
+function isUnmodified(condition) {
+  return !condition.modified;
+}
+/**
+ * Checks whether or not a given loop condition info does not have the modified
+ * flag and does not have the group this condition belongs to.
+ * @param {LoopConditionInfo} condition A loop condition info to check.
+ * @returns {boolean} `true` if the loop condition info is "unmodified".
+ */
+
+
+function isUnmodifiedAndNotBelongToGroup(condition) {
+  return !(condition.modified || condition.group);
+}
+/**
+ * Checks whether or not a given reference is inside of a given node.
+ * @param {ASTNode} node A node to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the node.
+ */
+
+
+function isInRange(node, reference) {
+  const or = node.range;
+  const ir = reference.identifier.range;
+  return or[0] <= ir[0] && ir[1] <= or[1];
+}
+/**
+ * Checks whether or not a given reference is inside of a loop node's condition.
+ * @param {ASTNode} node A node to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the loop node's
+ *      condition.
+ */
+
+
+const isInLoop = {
+  WhileStatement: isInRange,
+  DoWhileStatement: isInRange,
+
+  ForStatement(node, reference) {
+    return isInRange(node, reference) && !(node.init && isInRange(node.init, reference));
+  }
+
+};
+/**
+ * Gets the function which encloses a given reference.
+ * This supports only FunctionDeclaration.
+ * @param {eslint-scope.Reference} reference A reference to get.
+ * @returns {ASTNode|null} The function node or null.
+ */
+
+function getEncloseFunctionDeclaration(reference) {
+  let node = reference.identifier;
+
+  while (node) {
+    if (node.type === "FunctionDeclaration") {
+      return node.id ? node : null;
+    }
+
+    node = node.parent;
+  }
+
+  return null;
+}
+/**
+ * Updates the "modified" flags of given loop conditions with given modifiers.
+ * @param {LoopConditionInfo[]} conditions The loop conditions to be updated.
+ * @param {eslint-scope.Reference[]} modifiers The references to update.
+ * @returns {void}
+ */
+
+
+function updateModifiedFlag(conditions, modifiers) {
+  for (let i = 0; i < conditions.length; ++i) {
+    const condition = conditions[i];
+
+    for (let j = 0; !condition.modified && j < modifiers.length; ++j) {
+      const modifier = modifiers[j];
+      let funcNode, funcVar;
+      /*
+       * Besides checking for the condition being in the loop, we want to
+       * check the function that this modifier is belonging to is called
+       * in the loop.
+       * FIXME: This should probably be extracted to a function.
+       */
+
+      const inLoop = condition.isInLoop(modifier) || Boolean((funcNode = getEncloseFunctionDeclaration(modifier)) && (funcVar = astUtils.getVariableByName(modifier.from.upper, funcNode.id.name)) && funcVar.references.some(condition.isInLoop));
+      condition.modified = inLoop;
+    }
+  }
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow unmodified loop conditions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-unmodified-loop-condition"
+    },
+    schema: [],
+    messages: {
+      loopConditionNotModified: "'{{name}}' is not modified in this loop."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let groupMap = null;
+    /**
+     * Reports a given condition info.
+     * @param {LoopConditionInfo} condition A loop condition info to report.
+     * @returns {void}
+     */
+
+    function report(condition) {
+      const node = condition.reference.identifier;
+      context.report({
+        node,
+        messageId: "loopConditionNotModified",
+        data: node
+      });
+    }
+    /**
+     * Registers given conditions to the group the condition belongs to.
+     * @param {LoopConditionInfo[]} conditions A loop condition info to
+     *      register.
+     * @returns {void}
+     */
+
+
+    function registerConditionsToGroup(conditions) {
+      for (let i = 0; i < conditions.length; ++i) {
+        const condition = conditions[i];
+
+        if (condition.group) {
+          let group = groupMap.get(condition.group);
+
+          if (!group) {
+            group = [];
+            groupMap.set(condition.group, group);
+          }
+
+          group.push(condition);
+        }
+      }
+    }
+    /**
+     * Reports references which are inside of unmodified groups.
+     * @param {LoopConditionInfo[]} conditions A loop condition info to report.
+     * @returns {void}
+     */
+
+
+    function checkConditionsInGroup(conditions) {
+      if (conditions.every(isUnmodified)) {
+        conditions.forEach(report);
+      }
+    }
+    /**
+     * Checks whether or not a given group node has any dynamic elements.
+     * @param {ASTNode} root A node to check.
+     *      This node is one of BinaryExpression or ConditionalExpression.
+     * @returns {boolean} `true` if the node is dynamic.
+     */
+
+
+    function hasDynamicExpressions(root) {
+      let retv = false;
+      Traverser.traverse(root, {
+        visitorKeys: sourceCode.visitorKeys,
+
+        enter(node) {
+          if (DYNAMIC_PATTERN.test(node.type)) {
+            retv = true;
+            this.break();
+          } else if (SKIP_PATTERN.test(node.type)) {
+            this.skip();
+          }
+        }
+
+      });
+      return retv;
+    }
+    /**
+     * Creates the loop condition information from a given reference.
+     * @param {eslint-scope.Reference} reference A reference to create.
+     * @returns {LoopConditionInfo|null} Created loop condition info, or null.
+     */
+
+
+    function toLoopCondition(reference) {
+      if (reference.init) {
+        return null;
+      }
+
+      let group = null;
+      let child = reference.identifier;
+      let node = child.parent;
+
+      while (node) {
+        if (SENTINEL_PATTERN.test(node.type)) {
+          if (LOOP_PATTERN.test(node.type) && node.test === child) {
+            // This reference is inside of a loop condition.
+            return {
+              reference,
+              group,
+              isInLoop: isInLoop[node.type].bind(null, node),
+              modified: false
+            };
+          } // This reference is outside of a loop condition.
+
+
+          break;
+        }
+        /*
+         * If it's inside of a group, OK if either operand is modified.
+         * So stores the group this reference belongs to.
+         */
+
+
+        if (GROUP_PATTERN.test(node.type)) {
+          // If this expression is dynamic, no need to check.
+          if (hasDynamicExpressions(node)) {
+            break;
+          } else {
+            group = node;
+          }
+        }
+
+        child = node;
+        node = node.parent;
+      }
+
+      return null;
+    }
+    /**
+     * Finds unmodified references which are inside of a loop condition.
+     * Then reports the references which are outside of groups.
+     * @param {eslint-scope.Variable} variable A variable to report.
+     * @returns {void}
+     */
+
+
+    function checkReferences(variable) {
+      // Gets references that exist in loop conditions.
+      const conditions = variable.references.map(toLoopCondition).filter(Boolean);
+
+      if (conditions.length === 0) {
+        return;
+      } // Registers the conditions to belonging groups.
+
+
+      registerConditionsToGroup(conditions); // Check the conditions are modified.
+
+      const modifiers = variable.references.filter(isWriteReference);
+
+      if (modifiers.length > 0) {
+        updateModifiedFlag(conditions, modifiers);
+      }
+      /*
+       * Reports the conditions which are not belonging to groups.
+       * Others will be reported after all variables are done.
+       */
+
+
+      conditions.filter(isUnmodifiedAndNotBelongToGroup).forEach(report);
+    }
+
+    return {
+      "Program:exit"() {
+        const queue = [context.getScope()];
+        groupMap = new Map();
+        let scope;
+
+        while (scope = queue.pop()) {
+          queue.push(...scope.childScopes);
+          scope.variables.forEach(checkReferences);
+        }
+
+        groupMap.forEach(checkConditionsInGroup);
+        groupMap = null;
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 639 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Traverser to traverse AST trees.
+ * @author Nicholas C. Zakas
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const vk = __webpack_require__(392);
+
+const debug = __webpack_require__(416)("eslint:traverser"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Do nothing.
+ * @returns {void}
+ */
+
+
+function noop() {} // do nothing.
+
+/**
+ * Check whether the given value is an ASTNode or not.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is an ASTNode.
+ */
+
+
+function isNode(x) {
+  return x !== null && typeof x === "object" && typeof x.type === "string";
+}
+/**
+ * Get the visitor keys of a given node.
+ * @param {Object} visitorKeys The map of visitor keys.
+ * @param {ASTNode} node The node to get their visitor keys.
+ * @returns {string[]} The visitor keys of the node.
+ */
+
+
+function getVisitorKeys(visitorKeys, node) {
+  let keys = visitorKeys[node.type];
+
+  if (!keys) {
+    keys = vk.getKeys(node);
+    debug("Unknown node type \"%s\": Estimated visitor keys %j", node.type, keys);
+  }
+
+  return keys;
+}
+/**
+ * The traverser class to traverse AST trees.
+ */
+
+
+class Traverser {
+  constructor() {
+    this._current = null;
+    this._parents = [];
+    this._skipped = false;
+    this._broken = false;
+    this._visitorKeys = null;
+    this._enter = null;
+    this._leave = null;
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {ASTNode} The current node.
+   */
+
+
+  current() {
+    return this._current;
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {ASTNode[]} The ancestor nodes.
+   */
+
+
+  parents() {
+    return this._parents.slice(0);
+  }
+  /**
+   * Break the current traversal.
+   * @returns {void}
+   */
+
+
+  break() {
+    this._broken = true;
+  }
+  /**
+   * Skip child nodes for the current traversal.
+   * @returns {void}
+   */
+
+
+  skip() {
+    this._skipped = true;
+  }
+  /**
+   * Traverse the given AST tree.
+   * @param {ASTNode} node The root node to traverse.
+   * @param {Object} options The option object.
+   * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`.
+   * @param {Function} [options.enter=noop] The callback function which is called on entering each node.
+   * @param {Function} [options.leave=noop] The callback function which is called on leaving each node.
+   * @returns {void}
+   */
+
+
+  traverse(node, options) {
+    this._current = null;
+    this._parents = [];
+    this._skipped = false;
+    this._broken = false;
+    this._visitorKeys = options.visitorKeys || vk.KEYS;
+    this._enter = options.enter || noop;
+    this._leave = options.leave || noop;
+
+    this._traverse(node, null);
+  }
+  /**
+   * Traverse the given AST tree recursively.
+   * @param {ASTNode} node The current node.
+   * @param {ASTNode|null} parent The parent node.
+   * @returns {void}
+   * @private
+   */
+
+
+  _traverse(node, parent) {
+    if (!isNode(node)) {
+      return;
+    }
+
+    this._current = node;
+    this._skipped = false;
+
+    this._enter(node, parent);
+
+    if (!this._skipped && !this._broken) {
+      const keys = getVisitorKeys(this._visitorKeys, node);
+
+      if (keys.length >= 1) {
+        this._parents.push(node);
+
+        for (let i = 0; i < keys.length && !this._broken; ++i) {
+          const child = node[keys[i]];
+
+          if (Array.isArray(child)) {
+            for (let j = 0; j < child.length && !this._broken; ++j) {
+              this._traverse(child[j], node);
+            }
+          } else {
+            this._traverse(child, node);
+          }
+        }
+
+        this._parents.pop();
+      }
+    }
+
+    if (!this._broken) {
+      this._leave(node, parent);
+    }
+
+    this._current = parent;
+  }
+  /**
+   * Calculates the keys to use for traversal.
+   * @param {ASTNode} node The node to read keys from.
+   * @returns {string[]} An array of keys to visit on the node.
+   * @private
+   */
+
+
+  static getKeys(node) {
+    return vk.getKeys(node);
+  }
+  /**
+   * Traverse the given AST tree.
+   * @param {ASTNode} node The root node to traverse.
+   * @param {Object} options The option object.
+   * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`.
+   * @param {Function} [options.enter=noop] The callback function which is called on entering each node.
+   * @param {Function} [options.leave=noop] The callback function which is called on leaving each node.
+   * @returns {void}
+   */
+
+
+  static traverse(node, options) {
+    new Traverser().traverse(node, options);
+  }
+  /**
+   * The default visitor keys.
+   * @type {Object}
+   */
+
+
+  static get DEFAULT_VISITOR_KEYS() {
+    return vk.KEYS;
+  }
+
+}
+
+module.exports = Traverser;
+
+/***/ }),
+/* 640 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag no-unneeded-ternary
+ * @author Gyandeep Singh
+ */
+
+
+const astUtils = __webpack_require__(426); // Operators that always result in a boolean value
+
+
+const BOOLEAN_OPERATORS = new Set(["==", "===", "!=", "!==", ">", ">=", "<", "<=", "in", "instanceof"]);
+const OPERATOR_INVERSES = {
+  "==": "!=",
+  "!=": "==",
+  "===": "!==",
+  "!==": "===" // Operators like < and >= are not true inverses, since both will return false with NaN.
+
+};
+const OR_PRECEDENCE = astUtils.getPrecedence({
+  type: "LogicalExpression",
+  operator: "||"
+}); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow ternary operators when simpler alternatives exist",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-unneeded-ternary"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        defaultAssignment: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      unnecessaryConditionalExpression: "Unnecessary use of boolean literals in conditional expression.",
+      unnecessaryConditionalAssignment: "Unnecessary use of conditional expression for default assignment."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const defaultAssignment = options.defaultAssignment !== false;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Test if the node is a boolean literal
+     * @param {ASTNode} node The node to report.
+     * @returns {boolean} True if the its a boolean literal
+     * @private
+     */
+
+    function isBooleanLiteral(node) {
+      return node.type === "Literal" && typeof node.value === "boolean";
+    }
+    /**
+     * Creates an expression that represents the boolean inverse of the expression represented by the original node
+     * @param {ASTNode} node A node representing an expression
+     * @returns {string} A string representing an inverted expression
+     */
+
+
+    function invertExpression(node) {
+      if (node.type === "BinaryExpression" && Object.prototype.hasOwnProperty.call(OPERATOR_INVERSES, node.operator)) {
+        const operatorToken = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+        const text = sourceCode.getText();
+        return text.slice(node.range[0], operatorToken.range[0]) + OPERATOR_INVERSES[node.operator] + text.slice(operatorToken.range[1], node.range[1]);
+      }
+
+      if (astUtils.getPrecedence(node) < astUtils.getPrecedence({
+        type: "UnaryExpression"
+      })) {
+        return "!(".concat(astUtils.getParenthesisedText(sourceCode, node), ")");
+      }
+
+      return "!".concat(astUtils.getParenthesisedText(sourceCode, node));
+    }
+    /**
+     * Tests if a given node always evaluates to a boolean value
+     * @param {ASTNode} node An expression node
+     * @returns {boolean} True if it is determined that the node will always evaluate to a boolean value
+     */
+
+
+    function isBooleanExpression(node) {
+      return node.type === "BinaryExpression" && BOOLEAN_OPERATORS.has(node.operator) || node.type === "UnaryExpression" && node.operator === "!";
+    }
+    /**
+     * Test if the node matches the pattern id ? id : expression
+     * @param {ASTNode} node The ConditionalExpression to check.
+     * @returns {boolean} True if the pattern is matched, and false otherwise
+     * @private
+     */
+
+
+    function matchesDefaultAssignment(node) {
+      return node.test.type === "Identifier" && node.consequent.type === "Identifier" && node.test.name === node.consequent.name;
+    }
+
+    return {
+      ConditionalExpression(node) {
+        if (isBooleanLiteral(node.alternate) && isBooleanLiteral(node.consequent)) {
+          context.report({
+            node,
+            loc: node.consequent.loc.start,
+            messageId: "unnecessaryConditionalExpression",
+
+            fix(fixer) {
+              if (node.consequent.value === node.alternate.value) {
+                // Replace `foo ? true : true` with just `true`, but don't replace `foo() ? true : true`
+                return node.test.type === "Identifier" ? fixer.replaceText(node, node.consequent.value.toString()) : null;
+              }
+
+              if (node.alternate.value) {
+                // Replace `foo() ? false : true` with `!(foo())`
+                return fixer.replaceText(node, invertExpression(node.test));
+              } // Replace `foo ? true : false` with `foo` if `foo` is guaranteed to be a boolean, or `!!foo` otherwise.
+
+
+              return fixer.replaceText(node, isBooleanExpression(node.test) ? astUtils.getParenthesisedText(sourceCode, node.test) : "!".concat(invertExpression(node.test)));
+            }
+
+          });
+        } else if (!defaultAssignment && matchesDefaultAssignment(node)) {
+          context.report({
+            node,
+            loc: node.consequent.loc.start,
+            messageId: "unnecessaryConditionalAssignment",
+            fix: fixer => {
+              const shouldParenthesizeAlternate = astUtils.getPrecedence(node.alternate) < OR_PRECEDENCE && !astUtils.isParenthesised(sourceCode, node.alternate);
+              const alternateText = shouldParenthesizeAlternate ? "(".concat(sourceCode.getText(node.alternate), ")") : astUtils.getParenthesisedText(sourceCode, node.alternate);
+              const testText = astUtils.getParenthesisedText(sourceCode, node.test);
+              return fixer.replaceText(node, "".concat(testText, " || ").concat(alternateText));
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 641 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Checks for unreachable code due to return, throws, break, and continue.
+ * @author Joel Feenstra
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given variable declarator has the initializer.
+ * @param {ASTNode} node A VariableDeclarator node to check.
+ * @returns {boolean} `true` if the node has the initializer.
+ */
+
+function isInitialized(node) {
+  return Boolean(node.init);
+}
+/**
+ * Checks whether or not a given code path segment is unreachable.
+ * @param {CodePathSegment} segment A CodePathSegment to check.
+ * @returns {boolean} `true` if the segment is unreachable.
+ */
+
+
+function isUnreachable(segment) {
+  return !segment.reachable;
+}
+/**
+ * The class to distinguish consecutive unreachable statements.
+ */
+
+
+class ConsecutiveRange {
+  constructor(sourceCode) {
+    this.sourceCode = sourceCode;
+    this.startNode = null;
+    this.endNode = null;
+  }
+  /**
+   * The location object of this range.
+   * @type {Object}
+   */
+
+
+  get location() {
+    return {
+      start: this.startNode.loc.start,
+      end: this.endNode.loc.end
+    };
+  }
+  /**
+   * `true` if this range is empty.
+   * @type {boolean}
+   */
+
+
+  get isEmpty() {
+    return !(this.startNode && this.endNode);
+  }
+  /**
+   * Checks whether the given node is inside of this range.
+   * @param {ASTNode|Token} node The node to check.
+   * @returns {boolean} `true` if the node is inside of this range.
+   */
+
+
+  contains(node) {
+    return node.range[0] >= this.startNode.range[0] && node.range[1] <= this.endNode.range[1];
+  }
+  /**
+   * Checks whether the given node is consecutive to this range.
+   * @param {ASTNode} node The node to check.
+   * @returns {boolean} `true` if the node is consecutive to this range.
+   */
+
+
+  isConsecutive(node) {
+    return this.contains(this.sourceCode.getTokenBefore(node));
+  }
+  /**
+   * Merges the given node to this range.
+   * @param {ASTNode} node The node to merge.
+   * @returns {void}
+   */
+
+
+  merge(node) {
+    this.endNode = node;
+  }
+  /**
+   * Resets this range by the given node or null.
+   * @param {ASTNode|null} node The node to reset, or null.
+   * @returns {void}
+   */
+
+
+  reset(node) {
+    this.startNode = this.endNode = node;
+  }
+
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow unreachable code after `return`, `throw`, `continue`, and `break` statements",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unreachable"
+    },
+    schema: [],
+    messages: {
+      unreachableCode: "Unreachable code."
+    }
+  },
+
+  create(context) {
+    let currentCodePath = null;
+    const range = new ConsecutiveRange(context.getSourceCode());
+    /**
+     * Reports a given node if it's unreachable.
+     * @param {ASTNode} node A statement node to report.
+     * @returns {void}
+     */
+
+    function reportIfUnreachable(node) {
+      let nextNode = null;
+
+      if (node && currentCodePath.currentSegments.every(isUnreachable)) {
+        // Store this statement to distinguish consecutive statements.
+        if (range.isEmpty) {
+          range.reset(node);
+          return;
+        } // Skip if this statement is inside of the current range.
+
+
+        if (range.contains(node)) {
+          return;
+        } // Merge if this statement is consecutive to the current range.
+
+
+        if (range.isConsecutive(node)) {
+          range.merge(node);
+          return;
+        }
+
+        nextNode = node;
+      }
+      /*
+       * Report the current range since this statement is reachable or is
+       * not consecutive to the current range.
+       */
+
+
+      if (!range.isEmpty) {
+        context.report({
+          messageId: "unreachableCode",
+          loc: range.location,
+          node: range.startNode
+        });
+      } // Update the current range.
+
+
+      range.reset(nextNode);
+    }
+
+    return {
+      // Manages the current code path.
+      onCodePathStart(codePath) {
+        currentCodePath = codePath;
+      },
+
+      onCodePathEnd() {
+        currentCodePath = currentCodePath.upper;
+      },
+
+      // Registers for all statement nodes (excludes FunctionDeclaration).
+      BlockStatement: reportIfUnreachable,
+      BreakStatement: reportIfUnreachable,
+      ClassDeclaration: reportIfUnreachable,
+      ContinueStatement: reportIfUnreachable,
+      DebuggerStatement: reportIfUnreachable,
+      DoWhileStatement: reportIfUnreachable,
+      ExpressionStatement: reportIfUnreachable,
+      ForInStatement: reportIfUnreachable,
+      ForOfStatement: reportIfUnreachable,
+      ForStatement: reportIfUnreachable,
+      IfStatement: reportIfUnreachable,
+      ImportDeclaration: reportIfUnreachable,
+      LabeledStatement: reportIfUnreachable,
+      ReturnStatement: reportIfUnreachable,
+      SwitchStatement: reportIfUnreachable,
+      ThrowStatement: reportIfUnreachable,
+      TryStatement: reportIfUnreachable,
+
+      VariableDeclaration(node) {
+        if (node.kind !== "var" || node.declarations.some(isInitialized)) {
+          reportIfUnreachable(node);
+        }
+      },
+
+      WhileStatement: reportIfUnreachable,
+      WithStatement: reportIfUnreachable,
+      ExportNamedDeclaration: reportIfUnreachable,
+      ExportDefaultDeclaration: reportIfUnreachable,
+      ExportAllDeclaration: reportIfUnreachable,
+
+      "Program:exit"() {
+        reportIfUnreachable();
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 642 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag unsafe statements in finally block
+ * @author Onur Temizkan
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_NODE_TYPE_RETURN_THROW = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression)$/u;
+const SENTINEL_NODE_TYPE_BREAK = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement|SwitchStatement)$/u;
+const SENTINEL_NODE_TYPE_CONTINUE = /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement)$/u; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow control flow statements in `finally` blocks",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unsafe-finally"
+    },
+    schema: [],
+    messages: {
+      unsafeUsage: "Unsafe usage of {{nodeType}}."
+    }
+  },
+
+  create(context) {
+    /**
+     * Checks if the node is the finalizer of a TryStatement
+     * @param {ASTNode} node node to check.
+     * @returns {boolean} - true if the node is the finalizer of a TryStatement
+     */
+    function isFinallyBlock(node) {
+      return node.parent.type === "TryStatement" && node.parent.finalizer === node;
+    }
+    /**
+     * Climbs up the tree if the node is not a sentinel node
+     * @param {ASTNode} node node to check.
+     * @param {string} label label of the break or continue statement
+     * @returns {boolean} - return whether the node is a finally block or a sentinel node
+     */
+
+
+    function isInFinallyBlock(node, label) {
+      let labelInside = false;
+      let sentinelNodeType;
+
+      if (node.type === "BreakStatement" && !node.label) {
+        sentinelNodeType = SENTINEL_NODE_TYPE_BREAK;
+      } else if (node.type === "ContinueStatement") {
+        sentinelNodeType = SENTINEL_NODE_TYPE_CONTINUE;
+      } else {
+        sentinelNodeType = SENTINEL_NODE_TYPE_RETURN_THROW;
+      }
+
+      for (let currentNode = node; currentNode && !sentinelNodeType.test(currentNode.type); currentNode = currentNode.parent) {
+        if (currentNode.parent.label && label && currentNode.parent.label.name === label.name) {
+          labelInside = true;
+        }
+
+        if (isFinallyBlock(currentNode)) {
+          if (label && labelInside) {
+            return false;
+          }
+
+          return true;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether the possibly-unsafe statement is inside a finally block.
+     * @param {ASTNode} node node to check.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      if (isInFinallyBlock(node, node.label)) {
+        context.report({
+          messageId: "unsafeUsage",
+          data: {
+            nodeType: node.type
+          },
+          node,
+          line: node.loc.line,
+          column: node.loc.column
+        });
+      }
+    }
+
+    return {
+      ReturnStatement: check,
+      ThrowStatement: check,
+      BreakStatement: check,
+      ContinueStatement: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 643 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow negating the left operand of relational operators
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether the given operator is `in` or `instanceof`
+ * @param {string} op The operator type to check.
+ * @returns {boolean} `true` if the operator is `in` or `instanceof`
+ */
+
+
+function isInOrInstanceOfOperator(op) {
+  return op === "in" || op === "instanceof";
+}
+/**
+ * Checks whether the given operator is an ordering relational operator or not.
+ * @param {string} op The operator type to check.
+ * @returns {boolean} `true` if the operator is an ordering relational operator.
+ */
+
+
+function isOrderingRelationalOperator(op) {
+  return op === "<" || op === ">" || op === ">=" || op === "<=";
+}
+/**
+ * Checks whether the given node is a logical negation expression or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a logical negation expression.
+ */
+
+
+function isNegation(node) {
+  return node.type === "UnaryExpression" && node.operator === "!";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow negating the left operand of relational operators",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unsafe-negation",
+      suggestion: true
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        enforceForOrderingRelations: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: null,
+    messages: {
+      unexpected: "Unexpected negating the left operand of '{{operator}}' operator.",
+      suggestNegatedExpression: "Negate '{{operator}}' expression instead of its left operand. This changes the current behavior.",
+      suggestParenthesisedNegation: "Wrap negation in '()' to make the intention explicit. This preserves the current behavior."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const options = context.options[0] || {};
+    const enforceForOrderingRelations = options.enforceForOrderingRelations === true;
+    return {
+      BinaryExpression(node) {
+        const operator = node.operator;
+        const orderingRelationRuleApplies = enforceForOrderingRelations && isOrderingRelationalOperator(operator);
+
+        if ((isInOrInstanceOfOperator(operator) || orderingRelationRuleApplies) && isNegation(node.left) && !astUtils.isParenthesised(sourceCode, node.left)) {
+          context.report({
+            node,
+            loc: node.left.loc,
+            messageId: "unexpected",
+            data: {
+              operator
+            },
+            suggest: [{
+              messageId: "suggestNegatedExpression",
+              data: {
+                operator
+              },
+
+              fix(fixer) {
+                const negationToken = sourceCode.getFirstToken(node.left);
+                const fixRange = [negationToken.range[1], node.range[1]];
+                const text = sourceCode.text.slice(fixRange[0], fixRange[1]);
+                return fixer.replaceTextRange(fixRange, "(".concat(text, ")"));
+              }
+
+            }, {
+              messageId: "suggestParenthesisedNegation",
+
+              fix(fixer) {
+                return fixer.replaceText(node.left, "(".concat(sourceCode.getText(node.left), ")"));
+              }
+
+            }]
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 644 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Flag expressions in statement position that do not side effect
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unused expressions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-unused-expressions"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowShortCircuit: {
+          type: "boolean",
+          default: false
+        },
+        allowTernary: {
+          type: "boolean",
+          default: false
+        },
+        allowTaggedTemplates: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unusedExpression: "Expected an assignment or function call and instead saw an expression."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0] || {},
+          allowShortCircuit = config.allowShortCircuit || false,
+          allowTernary = config.allowTernary || false,
+          allowTaggedTemplates = config.allowTaggedTemplates || false; // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {ASTNode} node any node
+     * @returns {boolean} whether the given node structurally represents a directive
+     */
+
+    function looksLikeDirective(node) {
+      return node.type === "ExpressionStatement" && node.expression.type === "Literal" && typeof node.expression.value === "string";
+    } // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {Function} predicate ([a] -> Boolean) the function used to make the determination
+     * @param {a[]} list the input list
+     * @returns {a[]} the leading sequence of members in the given list that pass the given predicate
+     */
+
+
+    function takeWhile(predicate, list) {
+      for (let i = 0; i < list.length; ++i) {
+        if (!predicate(list[i])) {
+          return list.slice(0, i);
+        }
+      }
+
+      return list.slice();
+    } // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {ASTNode} node a Program or BlockStatement node
+     * @returns {ASTNode[]} the leading sequence of directive nodes in the given node's body
+     */
+
+
+    function directives(node) {
+      return takeWhile(looksLikeDirective, node.body);
+    } // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {ASTNode} node any node
+     * @param {ASTNode[]} ancestors the given node's ancestors
+     * @returns {boolean} whether the given node is considered a directive in its current position
+     */
+
+
+    function isDirective(node, ancestors) {
+      const parent = ancestors[ancestors.length - 1],
+            grandparent = ancestors[ancestors.length - 2];
+      return (parent.type === "Program" || parent.type === "BlockStatement" && /Function/u.test(grandparent.type)) && directives(parent).indexOf(node) >= 0;
+    }
+    /**
+     * Determines whether or not a given node is a valid expression. Recurses on short circuit eval and ternary nodes if enabled by flags.
+     * @param {ASTNode} node any node
+     * @returns {boolean} whether the given node is a valid expression
+     */
+
+
+    function isValidExpression(node) {
+      if (allowTernary) {
+        // Recursive check for ternary and logical expressions
+        if (node.type === "ConditionalExpression") {
+          return isValidExpression(node.consequent) && isValidExpression(node.alternate);
+        }
+      }
+
+      if (allowShortCircuit) {
+        if (node.type === "LogicalExpression") {
+          return isValidExpression(node.right);
+        }
+      }
+
+      if (allowTaggedTemplates && node.type === "TaggedTemplateExpression") {
+        return true;
+      }
+
+      return /^(?:Assignment|Call|New|Update|Yield|Await)Expression$/u.test(node.type) || node.type === "UnaryExpression" && ["delete", "void"].indexOf(node.operator) >= 0;
+    }
+
+    return {
+      ExpressionStatement(node) {
+        if (!isValidExpression(node.expression) && !isDirective(node, context.getAncestors())) {
+          context.report({
+            node,
+            messageId: "unusedExpression"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 645 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow unused labels.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unused labels",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unused-labels"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unused: "'{{name}}:' is defined but never used."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let scopeInfo = null;
+    /**
+     * Adds a scope info to the stack.
+     * @param {ASTNode} node A node to add. This is a LabeledStatement.
+     * @returns {void}
+     */
+
+    function enterLabeledScope(node) {
+      scopeInfo = {
+        label: node.label.name,
+        used: false,
+        upper: scopeInfo
+      };
+    }
+    /**
+     * Removes the top of the stack.
+     * At the same time, this reports the label if it's never used.
+     * @param {ASTNode} node A node to report. This is a LabeledStatement.
+     * @returns {void}
+     */
+
+
+    function exitLabeledScope(node) {
+      if (!scopeInfo.used) {
+        context.report({
+          node: node.label,
+          messageId: "unused",
+          data: node.label,
+
+          fix(fixer) {
+            /*
+             * Only perform a fix if there are no comments between the label and the body. This will be the case
+             * when there is exactly one token/comment (the ":") between the label and the body.
+             */
+            if (sourceCode.getTokenAfter(node.label, {
+              includeComments: true
+            }) === sourceCode.getTokenBefore(node.body, {
+              includeComments: true
+            })) {
+              return fixer.removeRange([node.range[0], node.body.range[0]]);
+            }
+
+            return null;
+          }
+
+        });
+      }
+
+      scopeInfo = scopeInfo.upper;
+    }
+    /**
+     * Marks the label of a given node as used.
+     * @param {ASTNode} node A node to mark. This is a BreakStatement or
+     *      ContinueStatement.
+     * @returns {void}
+     */
+
+
+    function markAsUsed(node) {
+      if (!node.label) {
+        return;
+      }
+
+      const label = node.label.name;
+      let info = scopeInfo;
+
+      while (info) {
+        if (info.label === label) {
+          info.used = true;
+          break;
+        }
+
+        info = info.upper;
+      }
+    }
+
+    return {
+      LabeledStatement: enterLabeledScope,
+      "LabeledStatement:exit": exitLabeledScope,
+      BreakStatement: markAsUsed,
+      ContinueStatement: markAsUsed
+    };
+  }
+
+};
+
+/***/ }),
+/* 646 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag declared but unused variables
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * Bag of data used for formatting the `unusedVar` lint message.
+ * @typedef {Object} UnusedVarMessageData
+ * @property {string} varName The name of the unused var.
+ * @property {'defined'|'assigned a value'} action Description of the vars state.
+ * @property {string} additional Any additional info to be appended at the end.
+ */
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow unused variables",
+      category: "Variables",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-unused-vars"
+    },
+    schema: [{
+      oneOf: [{
+        enum: ["all", "local"]
+      }, {
+        type: "object",
+        properties: {
+          vars: {
+            enum: ["all", "local"]
+          },
+          varsIgnorePattern: {
+            type: "string"
+          },
+          args: {
+            enum: ["all", "after-used", "none"]
+          },
+          ignoreRestSiblings: {
+            type: "boolean"
+          },
+          argsIgnorePattern: {
+            type: "string"
+          },
+          caughtErrors: {
+            enum: ["all", "none"]
+          },
+          caughtErrorsIgnorePattern: {
+            type: "string"
+          }
+        }
+      }]
+    }],
+    messages: {
+      unusedVar: "'{{varName}}' is {{action}} but never used{{additional}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const REST_PROPERTY_TYPE = /^(?:RestElement|(?:Experimental)?RestProperty)$/u;
+    const config = {
+      vars: "all",
+      args: "after-used",
+      ignoreRestSiblings: false,
+      caughtErrors: "none"
+    };
+    const firstOption = context.options[0];
+
+    if (firstOption) {
+      if (typeof firstOption === "string") {
+        config.vars = firstOption;
+      } else {
+        config.vars = firstOption.vars || config.vars;
+        config.args = firstOption.args || config.args;
+        config.ignoreRestSiblings = firstOption.ignoreRestSiblings || config.ignoreRestSiblings;
+        config.caughtErrors = firstOption.caughtErrors || config.caughtErrors;
+
+        if (firstOption.varsIgnorePattern) {
+          config.varsIgnorePattern = new RegExp(firstOption.varsIgnorePattern, "u");
+        }
+
+        if (firstOption.argsIgnorePattern) {
+          config.argsIgnorePattern = new RegExp(firstOption.argsIgnorePattern, "u");
+        }
+
+        if (firstOption.caughtErrorsIgnorePattern) {
+          config.caughtErrorsIgnorePattern = new RegExp(firstOption.caughtErrorsIgnorePattern, "u");
+        }
+      }
+    }
+    /**
+     * Generates the message data about the variable being defined and unused,
+     * including the ignore pattern if configured.
+     * @param {Variable} unusedVar eslint-scope variable object.
+     * @returns {UnusedVarMessageData} The message data to be used with this unused variable.
+     */
+
+
+    function getDefinedMessageData(unusedVar) {
+      const defType = unusedVar.defs && unusedVar.defs[0] && unusedVar.defs[0].type;
+      let type;
+      let pattern;
+
+      if (defType === "CatchClause" && config.caughtErrorsIgnorePattern) {
+        type = "args";
+        pattern = config.caughtErrorsIgnorePattern.toString();
+      } else if (defType === "Parameter" && config.argsIgnorePattern) {
+        type = "args";
+        pattern = config.argsIgnorePattern.toString();
+      } else if (defType !== "Parameter" && config.varsIgnorePattern) {
+        type = "vars";
+        pattern = config.varsIgnorePattern.toString();
+      }
+
+      const additional = type ? ". Allowed unused ".concat(type, " must match ").concat(pattern) : "";
+      return {
+        varName: unusedVar.name,
+        action: "defined",
+        additional
+      };
+    }
+    /**
+     * Generate the warning message about the variable being
+     * assigned and unused, including the ignore pattern if configured.
+     * @param {Variable} unusedVar eslint-scope variable object.
+     * @returns {UnusedVarMessageData} The message data to be used with this unused variable.
+     */
+
+
+    function getAssignedMessageData(unusedVar) {
+      const additional = config.varsIgnorePattern ? ". Allowed unused vars must match ".concat(config.varsIgnorePattern.toString()) : "";
+      return {
+        varName: unusedVar.name,
+        action: "assigned a value",
+        additional
+      };
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+
+    const STATEMENT_TYPE = /(?:Statement|Declaration)$/u;
+    /**
+     * Determines if a given variable is being exported from a module.
+     * @param {Variable} variable eslint-scope variable object.
+     * @returns {boolean} True if the variable is exported, false if not.
+     * @private
+     */
+
+    function isExported(variable) {
+      const definition = variable.defs[0];
+
+      if (definition) {
+        let node = definition.node;
+
+        if (node.type === "VariableDeclarator") {
+          node = node.parent;
+        } else if (definition.type === "Parameter") {
+          return false;
+        }
+
+        return node.parent.type.indexOf("Export") === 0;
+      }
+
+      return false;
+    }
+    /**
+     * Determines if a variable has a sibling rest property
+     * @param {Variable} variable eslint-scope variable object.
+     * @returns {boolean} True if the variable is exported, false if not.
+     * @private
+     */
+
+
+    function hasRestSpreadSibling(variable) {
+      if (config.ignoreRestSiblings) {
+        return variable.defs.some(def => {
+          const propertyNode = def.name.parent;
+          const patternNode = propertyNode.parent;
+          return propertyNode.type === "Property" && patternNode.type === "ObjectPattern" && REST_PROPERTY_TYPE.test(patternNode.properties[patternNode.properties.length - 1].type);
+        });
+      }
+
+      return false;
+    }
+    /**
+     * Determines if a reference is a read operation.
+     * @param {Reference} ref An eslint-scope Reference
+     * @returns {boolean} whether the given reference represents a read operation
+     * @private
+     */
+
+
+    function isReadRef(ref) {
+      return ref.isRead();
+    }
+    /**
+     * Determine if an identifier is referencing an enclosing function name.
+     * @param {Reference} ref The reference to check.
+     * @param {ASTNode[]} nodes The candidate function nodes.
+     * @returns {boolean} True if it's a self-reference, false if not.
+     * @private
+     */
+
+
+    function isSelfReference(ref, nodes) {
+      let scope = ref.from;
+
+      while (scope) {
+        if (nodes.indexOf(scope.block) >= 0) {
+          return true;
+        }
+
+        scope = scope.upper;
+      }
+
+      return false;
+    }
+    /**
+     * Gets a list of function definitions for a specified variable.
+     * @param {Variable} variable eslint-scope variable object.
+     * @returns {ASTNode[]} Function nodes.
+     * @private
+     */
+
+
+    function getFunctionDefinitions(variable) {
+      const functionDefinitions = [];
+      variable.defs.forEach(def => {
+        const {
+          type,
+          node
+        } = def; // FunctionDeclarations
+
+        if (type === "FunctionName") {
+          functionDefinitions.push(node);
+        } // FunctionExpressions
+
+
+        if (type === "Variable" && node.init && (node.init.type === "FunctionExpression" || node.init.type === "ArrowFunctionExpression")) {
+          functionDefinitions.push(node.init);
+        }
+      });
+      return functionDefinitions;
+    }
+    /**
+     * Checks the position of given nodes.
+     * @param {ASTNode} inner A node which is expected as inside.
+     * @param {ASTNode} outer A node which is expected as outside.
+     * @returns {boolean} `true` if the `inner` node exists in the `outer` node.
+     * @private
+     */
+
+
+    function isInside(inner, outer) {
+      return inner.range[0] >= outer.range[0] && inner.range[1] <= outer.range[1];
+    }
+    /**
+     * If a given reference is left-hand side of an assignment, this gets
+     * the right-hand side node of the assignment.
+     *
+     * In the following cases, this returns null.
+     *
+     * - The reference is not the LHS of an assignment expression.
+     * - The reference is inside of a loop.
+     * - The reference is inside of a function scope which is different from
+     *   the declaration.
+     * @param {eslint-scope.Reference} ref A reference to check.
+     * @param {ASTNode} prevRhsNode The previous RHS node.
+     * @returns {ASTNode|null} The RHS node or null.
+     * @private
+     */
+
+
+    function getRhsNode(ref, prevRhsNode) {
+      const id = ref.identifier;
+      const parent = id.parent;
+      const grandparent = parent.parent;
+      const refScope = ref.from.variableScope;
+      const varScope = ref.resolved.scope.variableScope;
+      const canBeUsedLater = refScope !== varScope || astUtils.isInLoop(id);
+      /*
+       * Inherits the previous node if this reference is in the node.
+       * This is for `a = a + a`-like code.
+       */
+
+      if (prevRhsNode && isInside(id, prevRhsNode)) {
+        return prevRhsNode;
+      }
+
+      if (parent.type === "AssignmentExpression" && grandparent.type === "ExpressionStatement" && id === parent.left && !canBeUsedLater) {
+        return parent.right;
+      }
+
+      return null;
+    }
+    /**
+     * Checks whether a given function node is stored to somewhere or not.
+     * If the function node is stored, the function can be used later.
+     * @param {ASTNode} funcNode A function node to check.
+     * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+     * @returns {boolean} `true` if under the following conditions:
+     *      - the funcNode is assigned to a variable.
+     *      - the funcNode is bound as an argument of a function call.
+     *      - the function is bound to a property and the object satisfies above conditions.
+     * @private
+     */
+
+
+    function isStorableFunction(funcNode, rhsNode) {
+      let node = funcNode;
+      let parent = funcNode.parent;
+
+      while (parent && isInside(parent, rhsNode)) {
+        switch (parent.type) {
+          case "SequenceExpression":
+            if (parent.expressions[parent.expressions.length - 1] !== node) {
+              return false;
+            }
+
+            break;
+
+          case "CallExpression":
+          case "NewExpression":
+            return parent.callee !== node;
+
+          case "AssignmentExpression":
+          case "TaggedTemplateExpression":
+          case "YieldExpression":
+            return true;
+
+          default:
+            if (STATEMENT_TYPE.test(parent.type)) {
+              /*
+               * If it encountered statements, this is a complex pattern.
+               * Since analyzing complex patterns is hard, this returns `true` to avoid false positive.
+               */
+              return true;
+            }
+
+        }
+
+        node = parent;
+        parent = parent.parent;
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether a given Identifier node exists inside of a function node which can be used later.
+     *
+     * "can be used later" means:
+     * - the function is assigned to a variable.
+     * - the function is bound to a property and the object can be used later.
+     * - the function is bound as an argument of a function call.
+     *
+     * If a reference exists in a function which can be used later, the reference is read when the function is called.
+     * @param {ASTNode} id An Identifier node to check.
+     * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+     * @returns {boolean} `true` if the `id` node exists inside of a function node which can be used later.
+     * @private
+     */
+
+
+    function isInsideOfStorableFunction(id, rhsNode) {
+      const funcNode = astUtils.getUpperFunction(id);
+      return funcNode && isInside(funcNode, rhsNode) && isStorableFunction(funcNode, rhsNode);
+    }
+    /**
+     * Checks whether a given reference is a read to update itself or not.
+     * @param {eslint-scope.Reference} ref A reference to check.
+     * @param {ASTNode} rhsNode The RHS node of the previous assignment.
+     * @returns {boolean} The reference is a read to update itself.
+     * @private
+     */
+
+
+    function isReadForItself(ref, rhsNode) {
+      const id = ref.identifier;
+      const parent = id.parent;
+      const grandparent = parent.parent;
+      return ref.isRead() && ( // self update. e.g. `a += 1`, `a++`
+      // in RHS of an assignment for itself. e.g. `a = a + 1`
+      parent.type === "AssignmentExpression" && grandparent.type === "ExpressionStatement" && parent.left === id || parent.type === "UpdateExpression" && grandparent.type === "ExpressionStatement" || rhsNode && isInside(id, rhsNode) && !isInsideOfStorableFunction(id, rhsNode));
+    }
+    /**
+     * Determine if an identifier is used either in for-in loops.
+     * @param {Reference} ref The reference to check.
+     * @returns {boolean} whether reference is used in the for-in loops
+     * @private
+     */
+
+
+    function isForInRef(ref) {
+      let target = ref.identifier.parent; // "for (var ...) { return; }"
+
+      if (target.type === "VariableDeclarator") {
+        target = target.parent.parent;
+      }
+
+      if (target.type !== "ForInStatement") {
+        return false;
+      } // "for (...) { return; }"
+
+
+      if (target.body.type === "BlockStatement") {
+        target = target.body.body[0]; // "for (...) return;"
+      } else {
+        target = target.body;
+      } // For empty loop body
+
+
+      if (!target) {
+        return false;
+      }
+
+      return target.type === "ReturnStatement";
+    }
+    /**
+     * Determines if the variable is used.
+     * @param {Variable} variable The variable to check.
+     * @returns {boolean} True if the variable is used
+     * @private
+     */
+
+
+    function isUsedVariable(variable) {
+      const functionNodes = getFunctionDefinitions(variable),
+            isFunctionDefinition = functionNodes.length > 0;
+      let rhsNode = null;
+      return variable.references.some(ref => {
+        if (isForInRef(ref)) {
+          return true;
+        }
+
+        const forItself = isReadForItself(ref, rhsNode);
+        rhsNode = getRhsNode(ref, rhsNode);
+        return isReadRef(ref) && !forItself && !(isFunctionDefinition && isSelfReference(ref, functionNodes));
+      });
+    }
+    /**
+     * Checks whether the given variable is after the last used parameter.
+     * @param {eslint-scope.Variable} variable The variable to check.
+     * @returns {boolean} `true` if the variable is defined after the last
+     * used parameter.
+     */
+
+
+    function isAfterLastUsedArg(variable) {
+      const def = variable.defs[0];
+      const params = context.getDeclaredVariables(def.node);
+      const posteriorParams = params.slice(params.indexOf(variable) + 1); // If any used parameters occur after this parameter, do not report.
+
+      return !posteriorParams.some(v => v.references.length > 0 || v.eslintUsed);
+    }
+    /**
+     * Gets an array of variables without read references.
+     * @param {Scope} scope an eslint-scope Scope object.
+     * @param {Variable[]} unusedVars an array that saving result.
+     * @returns {Variable[]} unused variables of the scope and descendant scopes.
+     * @private
+     */
+
+
+    function collectUnusedVariables(scope, unusedVars) {
+      const variables = scope.variables;
+      const childScopes = scope.childScopes;
+      let i, l;
+
+      if (scope.type !== "global" || config.vars === "all") {
+        for (i = 0, l = variables.length; i < l; ++i) {
+          const variable = variables[i]; // skip a variable of class itself name in the class scope
+
+          if (scope.type === "class" && scope.block.id === variable.identifiers[0]) {
+            continue;
+          } // skip function expression names and variables marked with markVariableAsUsed()
+
+
+          if (scope.functionExpressionScope || variable.eslintUsed) {
+            continue;
+          } // skip implicit "arguments" variable
+
+
+          if (scope.type === "function" && variable.name === "arguments" && variable.identifiers.length === 0) {
+            continue;
+          } // explicit global variables don't have definitions.
+
+
+          const def = variable.defs[0];
+
+          if (def) {
+            const type = def.type; // skip catch variables
+
+            if (type === "CatchClause") {
+              if (config.caughtErrors === "none") {
+                continue;
+              } // skip ignored parameters
+
+
+              if (config.caughtErrorsIgnorePattern && config.caughtErrorsIgnorePattern.test(def.name.name)) {
+                continue;
+              }
+            }
+
+            if (type === "Parameter") {
+              // skip any setter argument
+              if ((def.node.parent.type === "Property" || def.node.parent.type === "MethodDefinition") && def.node.parent.kind === "set") {
+                continue;
+              } // if "args" option is "none", skip any parameter
+
+
+              if (config.args === "none") {
+                continue;
+              } // skip ignored parameters
+
+
+              if (config.argsIgnorePattern && config.argsIgnorePattern.test(def.name.name)) {
+                continue;
+              } // if "args" option is "after-used", skip used variables
+
+
+              if (config.args === "after-used" && astUtils.isFunction(def.name.parent) && !isAfterLastUsedArg(variable)) {
+                continue;
+              }
+            } else {
+              // skip ignored variables
+              if (config.varsIgnorePattern && config.varsIgnorePattern.test(def.name.name)) {
+                continue;
+              }
+            }
+          }
+
+          if (!isUsedVariable(variable) && !isExported(variable) && !hasRestSpreadSibling(variable)) {
+            unusedVars.push(variable);
+          }
+        }
+      }
+
+      for (i = 0, l = childScopes.length; i < l; ++i) {
+        collectUnusedVariables(childScopes[i], unusedVars);
+      }
+
+      return unusedVars;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      "Program:exit"(programNode) {
+        const unusedVars = collectUnusedVariables(context.getScope(), []);
+
+        for (let i = 0, l = unusedVars.length; i < l; ++i) {
+          const unusedVar = unusedVars[i]; // Report the first declaration.
+
+          if (unusedVar.defs.length > 0) {
+            context.report({
+              node: unusedVar.identifiers[0],
+              messageId: "unusedVar",
+              data: unusedVar.references.some(ref => ref.isWrite()) ? getAssignedMessageData(unusedVar) : getDefinedMessageData(unusedVar)
+            }); // If there are no regular declaration, report the first `/*globals*/` comment directive.
+          } else if (unusedVar.eslintExplicitGlobalComments) {
+            const directiveComment = unusedVar.eslintExplicitGlobalComments[0];
+            context.report({
+              node: programNode,
+              loc: astUtils.getNameLocationInGlobalDirectiveComment(sourceCode, directiveComment, unusedVar.name),
+              messageId: "unusedVar",
+              data: getDefinedMessageData(unusedVar)
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 647 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of variables before they are defined
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const SENTINEL_TYPE = /^(?:(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|CatchClause|ImportDeclaration|ExportNamedDeclaration)$/u;
+const FOR_IN_OF_TYPE = /^For(?:In|Of)Statement$/u;
+/**
+ * Parses a given value as options.
+ * @param {any} options A value to parse.
+ * @returns {Object} The parsed options.
+ */
+
+function parseOptions(options) {
+  let functions = true;
+  let classes = true;
+  let variables = true;
+
+  if (typeof options === "string") {
+    functions = options !== "nofunc";
+  } else if (typeof options === "object" && options !== null) {
+    functions = options.functions !== false;
+    classes = options.classes !== false;
+    variables = options.variables !== false;
+  }
+
+  return {
+    functions,
+    classes,
+    variables
+  };
+}
+/**
+ * Checks whether or not a given variable is a function declaration.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function declaration.
+ */
+
+
+function isFunction(variable) {
+  return variable.defs[0].type === "FunctionName";
+}
+/**
+ * Checks whether or not a given variable is a class declaration in an upper function scope.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the variable is a class declaration.
+ */
+
+
+function isOuterClass(variable, reference) {
+  return variable.defs[0].type === "ClassName" && variable.scope.variableScope !== reference.from.variableScope;
+}
+/**
+ * Checks whether or not a given variable is a variable declaration in an upper function scope.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @param {eslint-scope.Reference} reference A reference to check.
+ * @returns {boolean} `true` if the variable is a variable declaration.
+ */
+
+
+function isOuterVariable(variable, reference) {
+  return variable.defs[0].type === "Variable" && variable.scope.variableScope !== reference.from.variableScope;
+}
+/**
+ * Checks whether or not a given location is inside of the range of a given node.
+ * @param {ASTNode} node An node to check.
+ * @param {number} location A location to check.
+ * @returns {boolean} `true` if the location is inside of the range of the node.
+ */
+
+
+function isInRange(node, location) {
+  return node && node.range[0] <= location && location <= node.range[1];
+}
+/**
+ * Checks whether or not a given reference is inside of the initializers of a given variable.
+ *
+ * This returns `true` in the following cases:
+ *
+ *     var a = a
+ *     var [a = a] = list
+ *     var {a = a} = obj
+ *     for (var a in a) {}
+ *     for (var a of a) {}
+ * @param {Variable} variable A variable to check.
+ * @param {Reference} reference A reference to check.
+ * @returns {boolean} `true` if the reference is inside of the initializers.
+ */
+
+
+function isInInitializer(variable, reference) {
+  if (variable.scope !== reference.from) {
+    return false;
+  }
+
+  let node = variable.identifiers[0].parent;
+  const location = reference.identifier.range[1];
+
+  while (node) {
+    if (node.type === "VariableDeclarator") {
+      if (isInRange(node.init, location)) {
+        return true;
+      }
+
+      if (FOR_IN_OF_TYPE.test(node.parent.parent.type) && isInRange(node.parent.parent.right, location)) {
+        return true;
+      }
+
+      break;
+    } else if (node.type === "AssignmentPattern") {
+      if (isInRange(node.right, location)) {
+        return true;
+      }
+    } else if (SENTINEL_TYPE.test(node.type)) {
+      break;
+    }
+
+    node = node.parent;
+  }
+
+  return false;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow the use of variables before they are defined",
+      category: "Variables",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-use-before-define"
+    },
+    schema: [{
+      oneOf: [{
+        enum: ["nofunc"]
+      }, {
+        type: "object",
+        properties: {
+          functions: {
+            type: "boolean"
+          },
+          classes: {
+            type: "boolean"
+          },
+          variables: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      usedBeforeDefined: "'{{name}}' was used before it was defined."
+    }
+  },
+
+  create(context) {
+    const options = parseOptions(context.options[0]);
+    /**
+     * Determines whether a given use-before-define case should be reported according to the options.
+     * @param {eslint-scope.Variable} variable The variable that gets used before being defined
+     * @param {eslint-scope.Reference} reference The reference to the variable
+     * @returns {boolean} `true` if the usage should be reported
+     */
+
+    function isForbidden(variable, reference) {
+      if (isFunction(variable)) {
+        return options.functions;
+      }
+
+      if (isOuterClass(variable, reference)) {
+        return options.classes;
+      }
+
+      if (isOuterVariable(variable, reference)) {
+        return options.variables;
+      }
+
+      return true;
+    }
+    /**
+     * Finds and validates all variables in a given scope.
+     * @param {Scope} scope The scope object.
+     * @returns {void}
+     * @private
+     */
+
+
+    function findVariablesInScope(scope) {
+      scope.references.forEach(reference => {
+        const variable = reference.resolved;
+        /*
+         * Skips when the reference is:
+         * - initialization's.
+         * - referring to an undefined variable.
+         * - referring to a global environment variable (there're no identifiers).
+         * - located preceded by the variable (except in initializers).
+         * - allowed by options.
+         */
+
+        if (reference.init || !variable || variable.identifiers.length === 0 || variable.identifiers[0].range[1] < reference.identifier.range[1] && !isInInitializer(variable, reference) || !isForbidden(variable, reference)) {
+          return;
+        } // Reports.
+
+
+        context.report({
+          node: reference.identifier,
+          messageId: "usedBeforeDefined",
+          data: reference.identifier
+        });
+      });
+      scope.childScopes.forEach(findVariablesInScope);
+    }
+
+    return {
+      Program() {
+        findVariablesInScope(context.getScope());
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 648 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow useless backreferences in regular expressions
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker,
+  getStringIfConstant
+} = __webpack_require__(549);
+
+const {
+  RegExpParser,
+  visitRegExpAST
+} = __webpack_require__(527);
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const parser = new RegExpParser();
+/**
+ * Finds the path from the given `regexpp` AST node to the root node.
+ * @param {regexpp.Node} node Node.
+ * @returns {regexpp.Node[]} Array that starts with the given node and ends with the root node.
+ */
+
+function getPathToRoot(node) {
+  const path = [];
+  let current = node;
+
+  do {
+    path.push(current);
+    current = current.parent;
+  } while (current);
+
+  return path;
+}
+/**
+ * Determines whether the given `regexpp` AST node is a lookaround node.
+ * @param {regexpp.Node} node Node.
+ * @returns {boolean} `true` if it is a lookaround node.
+ */
+
+
+function isLookaround(node) {
+  return node.type === "Assertion" && (node.kind === "lookahead" || node.kind === "lookbehind");
+}
+/**
+ * Determines whether the given `regexpp` AST node is a negative lookaround node.
+ * @param {regexpp.Node} node Node.
+ * @returns {boolean} `true` if it is a negative lookaround node.
+ */
+
+
+function isNegativeLookaround(node) {
+  return isLookaround(node) && node.negate;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow useless backreferences in regular expressions",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-backreference"
+    },
+    schema: [],
+    messages: {
+      nested: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' from within that group.",
+      forward: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which appears later in the pattern.",
+      backward: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which appears before in the same lookbehind.",
+      disjunctive: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which is in another alternative.",
+      intoNegativeLookaround: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}' which is in a negative lookaround."
+    }
+  },
+
+  create(context) {
+    /**
+     * Checks and reports useless backreferences in the given regular expression.
+     * @param {ASTNode} node Node that represents regular expression. A regex literal or RegExp constructor call.
+     * @param {string} pattern Regular expression pattern.
+     * @param {string} flags Regular expression flags.
+     * @returns {void}
+     */
+    function checkRegex(node, pattern, flags) {
+      let regExpAST;
+
+      try {
+        regExpAST = parser.parsePattern(pattern, 0, pattern.length, flags.includes("u"));
+      } catch (e) {
+        // Ignore regular expressions with syntax errors
+        return;
+      }
+
+      visitRegExpAST(regExpAST, {
+        onBackreferenceEnter(bref) {
+          const group = bref.resolved,
+                brefPath = getPathToRoot(bref),
+                groupPath = getPathToRoot(group);
+          let messageId = null;
+
+          if (brefPath.includes(group)) {
+            // group is bref's ancestor => bref is nested ('nested reference') => group hasn't matched yet when bref starts to match.
+            messageId = "nested";
+          } else {
+            // Start from the root to find the lowest common ancestor.
+            let i = brefPath.length - 1,
+                j = groupPath.length - 1;
+
+            do {
+              i--;
+              j--;
+            } while (brefPath[i] === groupPath[j]);
+
+            const indexOfLowestCommonAncestor = j + 1,
+                  groupCut = groupPath.slice(0, indexOfLowestCommonAncestor),
+                  commonPath = groupPath.slice(indexOfLowestCommonAncestor),
+                  lowestCommonLookaround = commonPath.find(isLookaround),
+                  isMatchingBackward = lowestCommonLookaround && lowestCommonLookaround.kind === "lookbehind";
+
+            if (!isMatchingBackward && bref.end <= group.start) {
+              // bref is left, group is right ('forward reference') => group hasn't matched yet when bref starts to match.
+              messageId = "forward";
+            } else if (isMatchingBackward && group.end <= bref.start) {
+              // the opposite of the previous when the regex is matching backward in a lookbehind context.
+              messageId = "backward";
+            } else if (lodash.last(groupCut).type === "Alternative") {
+              // group's and bref's ancestor nodes below the lowest common ancestor are sibling alternatives => they're disjunctive.
+              messageId = "disjunctive";
+            } else if (groupCut.some(isNegativeLookaround)) {
+              // group is in a negative lookaround which isn't bref's ancestor => group has already failed when bref starts to match.
+              messageId = "intoNegativeLookaround";
+            }
+          }
+
+          if (messageId) {
+            context.report({
+              node,
+              messageId,
+              data: {
+                bref: bref.raw,
+                group: group.raw
+              }
+            });
+          }
+        }
+
+      });
+    }
+
+    return {
+      "Literal[regex]"(node) {
+        const {
+          pattern,
+          flags
+        } = node.regex;
+        checkRegex(node, pattern, flags);
+      },
+
+      Program() {
+        const scope = context.getScope(),
+              tracker = new ReferenceTracker(scope),
+              traceMap = {
+          RegExp: {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          }
+        };
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(traceMap)) {
+          const [patternNode, flagsNode] = node.arguments,
+                pattern = getStringIfConstant(patternNode, scope),
+                flags = getStringIfConstant(flagsNode, scope);
+
+          if (typeof pattern === "string") {
+            checkRegex(node, pattern, flags || "");
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 649 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to disallow unnecessary `.call()` and `.apply()`.
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a `.call()`/`.apply()`.
+ * @param {ASTNode} node A CallExpression node to check.
+ * @returns {boolean} Whether or not the node is a `.call()`/`.apply()`.
+ */
+
+
+function isCallOrNonVariadicApply(node) {
+  return node.callee.type === "MemberExpression" && node.callee.property.type === "Identifier" && node.callee.computed === false && (node.callee.property.name === "call" && node.arguments.length >= 1 || node.callee.property.name === "apply" && node.arguments.length === 2 && node.arguments[1].type === "ArrayExpression");
+}
+/**
+ * Checks whether or not `thisArg` is not changed by `.call()`/`.apply()`.
+ * @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
+ * @param {ASTNode} thisArg The node that is given to the first argument of the `.call()`/`.apply()`.
+ * @param {SourceCode} sourceCode The ESLint source code object.
+ * @returns {boolean} Whether or not `thisArg` is not changed by `.call()`/`.apply()`.
+ */
+
+
+function isValidThisArg(expectedThis, thisArg, sourceCode) {
+  if (!expectedThis) {
+    return astUtils.isNullOrUndefined(thisArg);
+  }
+
+  return astUtils.equalTokens(expectedThis, thisArg, sourceCode);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary calls to `.call()` and `.apply()`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-call"
+    },
+    schema: [],
+    messages: {
+      unnecessaryCall: "Unnecessary '.{{name}}()'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      CallExpression(node) {
+        if (!isCallOrNonVariadicApply(node)) {
+          return;
+        }
+
+        const applied = node.callee.object;
+        const expectedThis = applied.type === "MemberExpression" ? applied.object : null;
+        const thisArg = node.arguments[0];
+
+        if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
+          context.report({
+            node,
+            messageId: "unnecessaryCall",
+            data: {
+              name: node.callee.property.name
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 650 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Reports useless `catch` clauses that just rethrow their error.
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary `catch` clauses",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-useless-catch"
+    },
+    schema: [],
+    messages: {
+      unnecessaryCatchClause: "Unnecessary catch clause.",
+      unnecessaryCatch: "Unnecessary try/catch wrapper."
+    }
+  },
+
+  create(context) {
+    return {
+      CatchClause(node) {
+        if (node.param && node.param.type === "Identifier" && node.body.body.length && node.body.body[0].type === "ThrowStatement" && node.body.body[0].argument.type === "Identifier" && node.body.body[0].argument.name === node.param.name) {
+          if (node.parent.finalizer) {
+            context.report({
+              node,
+              messageId: "unnecessaryCatchClause"
+            });
+          } else {
+            context.report({
+              node: node.parent,
+              messageId: "unnecessaryCatch"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 651 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow unnecessary computed property keys in object literals
+ * @author Burak Yigit Kaya
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary computed property keys in objects and classes",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-computed-key"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        enforceForClassMembers: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      unnecessarilyComputedProperty: "Unnecessarily computed property [{{property}}] found."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const enforceForClassMembers = context.options[0] && context.options[0].enforceForClassMembers;
+    /**
+     * Reports a given node if it violated this rule.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+    function check(node) {
+      if (!node.computed) {
+        return;
+      }
+
+      const key = node.key,
+            nodeType = typeof key.value;
+      let allowedKey;
+
+      if (node.type === "MethodDefinition") {
+        allowedKey = node.static ? "prototype" : "constructor";
+      } else {
+        allowedKey = "__proto__";
+      }
+
+      if (key.type === "Literal" && (nodeType === "string" || nodeType === "number") && key.value !== allowedKey) {
+        context.report({
+          node,
+          messageId: "unnecessarilyComputedProperty",
+          data: {
+            property: sourceCode.getText(key)
+          },
+
+          fix(fixer) {
+            const leftSquareBracket = sourceCode.getTokenBefore(key, astUtils.isOpeningBracketToken);
+            const rightSquareBracket = sourceCode.getTokenAfter(key, astUtils.isClosingBracketToken); // If there are comments between the brackets and the property name, don't do a fix.
+
+            if (sourceCode.commentsExistBetween(leftSquareBracket, rightSquareBracket)) {
+              return null;
+            }
+
+            const tokenBeforeLeftBracket = sourceCode.getTokenBefore(leftSquareBracket); // Insert a space before the key to avoid changing identifiers, e.g. ({ get[2]() {} }) to ({ get2() {} })
+
+            const needsSpaceBeforeKey = tokenBeforeLeftBracket.range[1] === leftSquareBracket.range[0] && !astUtils.canTokensBeAdjacent(tokenBeforeLeftBracket, sourceCode.getFirstToken(key));
+            const replacementKey = (needsSpaceBeforeKey ? " " : "") + key.raw;
+            return fixer.replaceTextRange([leftSquareBracket.range[0], rightSquareBracket.range[1]], replacementKey);
+          }
+
+        });
+      }
+    }
+
+    return {
+      Property: check,
+      MethodDefinition: enforceForClassMembers ? check : lodash.noop
+    };
+  }
+
+};
+
+/***/ }),
+/* 652 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview disallow unnecessary concatenation of template strings
+ * @author Henry Zhu
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a concatenation.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a concatenation.
+ */
+
+
+function isConcatenation(node) {
+  return node.type === "BinaryExpression" && node.operator === "+";
+}
+/**
+ * Checks if the given token is a `+` token or not.
+ * @param {Token} token The token to check.
+ * @returns {boolean} `true` if the token is a `+` token.
+ */
+
+
+function isConcatOperatorToken(token) {
+  return token.value === "+" && token.type === "Punctuator";
+}
+/**
+ * Get's the right most node on the left side of a BinaryExpression with + operator.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {ASTNode} node
+ */
+
+
+function getLeft(node) {
+  let left = node.left;
+
+  while (isConcatenation(left)) {
+    left = left.right;
+  }
+
+  return left;
+}
+/**
+ * Get's the left most node on the right side of a BinaryExpression with + operator.
+ * @param {ASTNode} node A BinaryExpression node to check.
+ * @returns {ASTNode} node
+ */
+
+
+function getRight(node) {
+  let right = node.right;
+
+  while (isConcatenation(right)) {
+    right = right.left;
+  }
+
+  return right;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary concatenation of literals or template literals",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-concat"
+    },
+    schema: [],
+    messages: {
+      unexpectedConcat: "Unexpected string concatenation of literals."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      BinaryExpression(node) {
+        // check if not concatenation
+        if (node.operator !== "+") {
+          return;
+        } // account for the `foo + "a" + "b"` case
+
+
+        const left = getLeft(node);
+        const right = getRight(node);
+
+        if (astUtils.isStringLiteral(left) && astUtils.isStringLiteral(right) && astUtils.isTokenOnSameLine(left, right)) {
+          const operatorToken = sourceCode.getFirstTokenBetween(left, right, isConcatOperatorToken);
+          context.report({
+            node,
+            loc: operatorToken.loc.start,
+            messageId: "unexpectedConcat"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 653 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag the use of redundant constructors in classes.
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether a given array of statements is a single call of `super`.
+ * @param {ASTNode[]} body An array of statements to check.
+ * @returns {boolean} `true` if the body is a single call of `super`.
+ */
+
+function isSingleSuperCall(body) {
+  return body.length === 1 && body[0].type === "ExpressionStatement" && body[0].expression.type === "CallExpression" && body[0].expression.callee.type === "Super";
+}
+/**
+ * Checks whether a given node is a pattern which doesn't have any side effects.
+ * Default parameters and Destructuring parameters can have side effects.
+ * @param {ASTNode} node A pattern node.
+ * @returns {boolean} `true` if the node doesn't have any side effects.
+ */
+
+
+function isSimple(node) {
+  return node.type === "Identifier" || node.type === "RestElement";
+}
+/**
+ * Checks whether a given array of expressions is `...arguments` or not.
+ * `super(...arguments)` passes all arguments through.
+ * @param {ASTNode[]} superArgs An array of expressions to check.
+ * @returns {boolean} `true` if the superArgs is `...arguments`.
+ */
+
+
+function isSpreadArguments(superArgs) {
+  return superArgs.length === 1 && superArgs[0].type === "SpreadElement" && superArgs[0].argument.type === "Identifier" && superArgs[0].argument.name === "arguments";
+}
+/**
+ * Checks whether given 2 nodes are identifiers which have the same name or not.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes are identifiers which have the same
+ *      name.
+ */
+
+
+function isValidIdentifierPair(ctorParam, superArg) {
+  return ctorParam.type === "Identifier" && superArg.type === "Identifier" && ctorParam.name === superArg.name;
+}
+/**
+ * Checks whether given 2 nodes are a rest/spread pair which has the same values.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes are a rest/spread pair which has the
+ *      same values.
+ */
+
+
+function isValidRestSpreadPair(ctorParam, superArg) {
+  return ctorParam.type === "RestElement" && superArg.type === "SpreadElement" && isValidIdentifierPair(ctorParam.argument, superArg.argument);
+}
+/**
+ * Checks whether given 2 nodes have the same value or not.
+ * @param {ASTNode} ctorParam A node to check.
+ * @param {ASTNode} superArg A node to check.
+ * @returns {boolean} `true` if the nodes have the same value or not.
+ */
+
+
+function isValidPair(ctorParam, superArg) {
+  return isValidIdentifierPair(ctorParam, superArg) || isValidRestSpreadPair(ctorParam, superArg);
+}
+/**
+ * Checks whether the parameters of a constructor and the arguments of `super()`
+ * have the same values or not.
+ * @param {ASTNode} ctorParams The parameters of a constructor to check.
+ * @param {ASTNode} superArgs The arguments of `super()` to check.
+ * @returns {boolean} `true` if those have the same values.
+ */
+
+
+function isPassingThrough(ctorParams, superArgs) {
+  if (ctorParams.length !== superArgs.length) {
+    return false;
+  }
+
+  for (let i = 0; i < ctorParams.length; ++i) {
+    if (!isValidPair(ctorParams[i], superArgs[i])) {
+      return false;
+    }
+  }
+
+  return true;
+}
+/**
+ * Checks whether the constructor body is a redundant super call.
+ * @param {Array} body constructor body content.
+ * @param {Array} ctorParams The params to check against super call.
+ * @returns {boolean} true if the constructor body is redundant
+ */
+
+
+function isRedundantSuperCall(body, ctorParams) {
+  return isSingleSuperCall(body) && ctorParams.every(isSimple) && (isSpreadArguments(body[0].expression.arguments) || isPassingThrough(ctorParams, body[0].expression.arguments));
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary constructors",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-constructor"
+    },
+    schema: [],
+    messages: {
+      noUselessConstructor: "Useless constructor."
+    }
+  },
+
+  create(context) {
+    /**
+     * Checks whether a node is a redundant constructor
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+    function checkForConstructor(node) {
+      if (node.kind !== "constructor") {
+        return;
+      }
+
+      const body = node.value.body.body;
+      const ctorParams = node.value.params;
+      const superClass = node.parent.parent.superClass;
+
+      if (superClass ? isRedundantSuperCall(body, ctorParams) : body.length === 0) {
+        context.report({
+          node,
+          messageId: "noUselessConstructor"
+        });
+      }
+    }
+
+    return {
+      MethodDefinition: checkForConstructor
+    };
+  }
+
+};
+
+/***/ }),
+/* 654 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Look for useless escapes in strings and regexes
+ * @author Onur Temizkan
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the union of two sets.
+ * @param {Set} setA The first set
+ * @param {Set} setB The second set
+ * @returns {Set} The union of the two sets
+ */
+
+
+function union(setA, setB) {
+  return new Set(function* () {
+    yield* setA;
+    yield* setB;
+  }());
+}
+
+const VALID_STRING_ESCAPES = union(new Set("\\nrvtbfux"), astUtils.LINEBREAKS);
+const REGEX_GENERAL_ESCAPES = new Set("\\bcdDfnpPrsStvwWxu0123456789]");
+const REGEX_NON_CHARCLASS_ESCAPES = union(REGEX_GENERAL_ESCAPES, new Set("^/.$*+?[{}|()Bk"));
+/**
+ * Parses a regular expression into a list of characters with character class info.
+ * @param {string} regExpText The raw text used to create the regular expression
+ * @returns {Object[]} A list of characters, each with info on escaping and whether they're in a character class.
+ * @example
+ *
+ * parseRegExp('a\\b[cd-]')
+ *
+ * returns:
+ * [
+ *   {text: 'a', index: 0, escaped: false, inCharClass: false, startsCharClass: false, endsCharClass: false},
+ *   {text: 'b', index: 2, escaped: true, inCharClass: false, startsCharClass: false, endsCharClass: false},
+ *   {text: 'c', index: 4, escaped: false, inCharClass: true, startsCharClass: true, endsCharClass: false},
+ *   {text: 'd', index: 5, escaped: false, inCharClass: true, startsCharClass: false, endsCharClass: false},
+ *   {text: '-', index: 6, escaped: false, inCharClass: true, startsCharClass: false, endsCharClass: false}
+ * ]
+ */
+
+function parseRegExp(regExpText) {
+  const charList = [];
+  regExpText.split("").reduce((state, char, index) => {
+    if (!state.escapeNextChar) {
+      if (char === "\\") {
+        return Object.assign(state, {
+          escapeNextChar: true
+        });
+      }
+
+      if (char === "[" && !state.inCharClass) {
+        return Object.assign(state, {
+          inCharClass: true,
+          startingCharClass: true
+        });
+      }
+
+      if (char === "]" && state.inCharClass) {
+        if (charList.length && charList[charList.length - 1].inCharClass) {
+          charList[charList.length - 1].endsCharClass = true;
+        }
+
+        return Object.assign(state, {
+          inCharClass: false,
+          startingCharClass: false
+        });
+      }
+    }
+
+    charList.push({
+      text: char,
+      index,
+      escaped: state.escapeNextChar,
+      inCharClass: state.inCharClass,
+      startsCharClass: state.startingCharClass,
+      endsCharClass: false
+    });
+    return Object.assign(state, {
+      escapeNextChar: false,
+      startingCharClass: false
+    });
+  }, {
+    escapeNextChar: false,
+    inCharClass: false,
+    startingCharClass: false
+  });
+  return charList;
+}
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow unnecessary escape characters",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-useless-escape",
+      suggestion: true
+    },
+    messages: {
+      unnecessaryEscape: "Unnecessary escape character: \\{{character}}.",
+      removeEscape: "Remove the `\\`. This maintains the current functionality.",
+      escapeBackslash: "Replace the `\\` with `\\\\` to include the actual backslash character."
+    },
+    schema: []
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports a node
+     * @param {ASTNode} node The node to report
+     * @param {number} startOffset The backslash's offset from the start of the node
+     * @param {string} character The uselessly escaped character (not including the backslash)
+     * @returns {void}
+     */
+
+    function report(node, startOffset, character) {
+      const start = sourceCode.getLocFromIndex(sourceCode.getIndexFromLoc(node.loc.start) + startOffset);
+      const rangeStart = sourceCode.getIndexFromLoc(node.loc.start) + startOffset;
+      const range = [rangeStart, rangeStart + 1];
+      context.report({
+        node,
+        loc: {
+          start,
+          end: {
+            line: start.line,
+            column: start.column + 1
+          }
+        },
+        messageId: "unnecessaryEscape",
+        data: {
+          character
+        },
+        suggest: [{
+          messageId: "removeEscape",
+
+          fix(fixer) {
+            return fixer.removeRange(range);
+          }
+
+        }, {
+          messageId: "escapeBackslash",
+
+          fix(fixer) {
+            return fixer.insertTextBeforeRange(range, "\\");
+          }
+
+        }]
+      });
+    }
+    /**
+     * Checks if the escape character in given string slice is unnecessary.
+     * @private
+     * @param {ASTNode} node node to validate.
+     * @param {string} match string slice to validate.
+     * @returns {void}
+     */
+
+
+    function validateString(node, match) {
+      const isTemplateElement = node.type === "TemplateElement";
+      const escapedChar = match[0][1];
+      let isUnnecessaryEscape = !VALID_STRING_ESCAPES.has(escapedChar);
+      let isQuoteEscape;
+
+      if (isTemplateElement) {
+        isQuoteEscape = escapedChar === "`";
+
+        if (escapedChar === "$") {
+          // Warn if `\$` is not followed by `{`
+          isUnnecessaryEscape = match.input[match.index + 2] !== "{";
+        } else if (escapedChar === "{") {
+          /*
+           * Warn if `\{` is not preceded by `$`. If preceded by `$`, escaping
+           * is necessary and the rule should not warn. If preceded by `/$`, the rule
+           * will warn for the `/$` instead, as it is the first unnecessarily escaped character.
+           */
+          isUnnecessaryEscape = match.input[match.index - 1] !== "$";
+        }
+      } else {
+        isQuoteEscape = escapedChar === node.raw[0];
+      }
+
+      if (isUnnecessaryEscape && !isQuoteEscape) {
+        report(node, match.index + 1, match[0].slice(1));
+      }
+    }
+    /**
+     * Checks if a node has an escape.
+     * @param {ASTNode} node node to check.
+     * @returns {void}
+     */
+
+
+    function check(node) {
+      const isTemplateElement = node.type === "TemplateElement";
+
+      if (isTemplateElement && node.parent && node.parent.parent && node.parent.parent.type === "TaggedTemplateExpression" && node.parent === node.parent.parent.quasi) {
+        // Don't report tagged template literals, because the backslash character is accessible to the tag function.
+        return;
+      }
+
+      if (typeof node.value === "string" || isTemplateElement) {
+        /*
+         * JSXAttribute doesn't have any escape sequence: https://facebook.github.io/jsx/.
+         * In addition, backticks are not supported by JSX yet: https://github.com/facebook/jsx/issues/25.
+         */
+        if (node.parent.type === "JSXAttribute" || node.parent.type === "JSXElement" || node.parent.type === "JSXFragment") {
+          return;
+        }
+
+        const value = isTemplateElement ? node.value.raw : node.raw.slice(1, -1);
+        const pattern = /\\[^\d]/gu;
+        let match;
+
+        while (match = pattern.exec(value)) {
+          validateString(node, match);
+        }
+      } else if (node.regex) {
+        parseRegExp(node.regex.pattern)
+        /*
+         * The '-' character is a special case, because it's only valid to escape it if it's in a character
+         * class, and is not at either edge of the character class. To account for this, don't consider '-'
+         * characters to be valid in general, and filter out '-' characters that appear in the middle of a
+         * character class.
+         */
+        .filter(charInfo => !(charInfo.text === "-" && charInfo.inCharClass && !charInfo.startsCharClass && !charInfo.endsCharClass))
+        /*
+         * The '^' character is also a special case; it must always be escaped outside of character classes, but
+         * it only needs to be escaped in character classes if it's at the beginning of the character class. To
+         * account for this, consider it to be a valid escape character outside of character classes, and filter
+         * out '^' characters that appear at the start of a character class.
+         */
+        .filter(charInfo => !(charInfo.text === "^" && charInfo.startsCharClass)) // Filter out characters that aren't escaped.
+        .filter(charInfo => charInfo.escaped) // Filter out characters that are valid to escape, based on their position in the regular expression.
+        .filter(charInfo => !(charInfo.inCharClass ? REGEX_GENERAL_ESCAPES : REGEX_NON_CHARCLASS_ESCAPES).has(charInfo.text)) // Report all the remaining characters.
+        .forEach(charInfo => report(node, charInfo.index, charInfo.text));
+      }
+    }
+
+    return {
+      Literal: check,
+      TemplateElement: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 655 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow renaming import, export, and destructured assignments to the same name.
+ * @author Kai Cataldo
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow renaming import, export, and destructured assignments to the same name",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-rename"
+    },
+    fixable: "code",
+    schema: [{
+      type: "object",
+      properties: {
+        ignoreDestructuring: {
+          type: "boolean",
+          default: false
+        },
+        ignoreImport: {
+          type: "boolean",
+          default: false
+        },
+        ignoreExport: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unnecessarilyRenamed: "{{type}} {{name}} unnecessarily renamed."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(),
+          options = context.options[0] || {},
+          ignoreDestructuring = options.ignoreDestructuring === true,
+          ignoreImport = options.ignoreImport === true,
+          ignoreExport = options.ignoreExport === true; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports error for unnecessarily renamed assignments
+     * @param {ASTNode} node node to report
+     * @param {ASTNode} initial node with initial name value
+     * @param {ASTNode} result node with new name value
+     * @param {string} type the type of the offending node
+     * @returns {void}
+     */
+
+    function reportError(node, initial, result, type) {
+      const name = initial.type === "Identifier" ? initial.name : initial.value;
+      return context.report({
+        node,
+        messageId: "unnecessarilyRenamed",
+        data: {
+          name,
+          type
+        },
+
+        fix(fixer) {
+          if (sourceCode.commentsExistBetween(initial, result)) {
+            return null;
+          }
+
+          const replacementText = result.type === "AssignmentPattern" ? sourceCode.getText(result) : name;
+          return fixer.replaceTextRange([initial.range[0], result.range[1]], replacementText);
+        }
+
+      });
+    }
+    /**
+     * Checks whether a destructured assignment is unnecessarily renamed
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+
+
+    function checkDestructured(node) {
+      if (ignoreDestructuring) {
+        return;
+      }
+
+      for (const property of node.properties) {
+        /*
+         * TODO: Remove after babel-eslint removes ExperimentalRestProperty
+         * https://github.com/eslint/eslint/issues/12335
+         */
+        if (property.type === "ExperimentalRestProperty") {
+          continue;
+        }
+        /**
+         * Properties using shorthand syntax and rest elements can not be renamed.
+         * If the property is computed, we have no idea if a rename is useless or not.
+         */
+
+
+        if (property.shorthand || property.type === "RestElement" || property.computed) {
+          continue;
+        }
+
+        const key = property.key.type === "Identifier" && property.key.name || property.key.type === "Literal" && property.key.value;
+        const renamedKey = property.value.type === "AssignmentPattern" ? property.value.left.name : property.value.name;
+
+        if (key === renamedKey) {
+          reportError(property, property.key, property.value, "Destructuring assignment");
+        }
+      }
+    }
+    /**
+     * Checks whether an import is unnecessarily renamed
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+
+
+    function checkImport(node) {
+      if (ignoreImport) {
+        return;
+      }
+
+      if (node.imported.name === node.local.name && node.imported.range[0] !== node.local.range[0]) {
+        reportError(node, node.imported, node.local, "Import");
+      }
+    }
+    /**
+     * Checks whether an export is unnecessarily renamed
+     * @param {ASTNode} node node to check
+     * @returns {void}
+     */
+
+
+    function checkExport(node) {
+      if (ignoreExport) {
+        return;
+      }
+
+      if (node.local.name === node.exported.name && node.local.range[0] !== node.exported.range[0]) {
+        reportError(node, node.local, node.exported, "Export");
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ObjectPattern: checkDestructured,
+      ImportSpecifier: checkImport,
+      ExportSpecifier: checkExport
+    };
+  }
+
+};
+
+/***/ }),
+/* 656 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallow redundant return statements
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426),
+      FixTracker = __webpack_require__(538); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Removes the given element from the array.
+ * @param {Array} array The source array to remove.
+ * @param {any} element The target item to remove.
+ * @returns {void}
+ */
+
+
+function remove(array, element) {
+  const index = array.indexOf(element);
+
+  if (index !== -1) {
+    array.splice(index, 1);
+  }
+}
+/**
+ * Checks whether it can remove the given return statement or not.
+ * @param {ASTNode} node The return statement node to check.
+ * @returns {boolean} `true` if the node is removable.
+ */
+
+
+function isRemovable(node) {
+  return astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type);
+}
+/**
+ * Checks whether the given return statement is in a `finally` block or not.
+ * @param {ASTNode} node The return statement node to check.
+ * @returns {boolean} `true` if the node is in a `finally` block.
+ */
+
+
+function isInFinally(node) {
+  for (let currentNode = node; currentNode && currentNode.parent && !astUtils.isFunction(currentNode); currentNode = currentNode.parent) {
+    if (currentNode.parent.type === "TryStatement" && currentNode.parent.finalizer === currentNode) {
+      return true;
+    }
+  }
+
+  return false;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow redundant return statements",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-useless-return"
+    },
+    fixable: "code",
+    schema: [],
+    messages: {
+      unnecessaryReturn: "Unnecessary return statement."
+    }
+  },
+
+  create(context) {
+    const segmentInfoMap = new WeakMap();
+    const usedUnreachableSegments = new WeakSet();
+    const sourceCode = context.getSourceCode();
+    let scopeInfo = null;
+    /**
+     * Checks whether the given segment is terminated by a return statement or not.
+     * @param {CodePathSegment} segment The segment to check.
+     * @returns {boolean} `true` if the segment is terminated by a return statement, or if it's still a part of unreachable.
+     */
+
+    function isReturned(segment) {
+      const info = segmentInfoMap.get(segment);
+      return !info || info.returned;
+    }
+    /**
+     * Collects useless return statements from the given previous segments.
+     *
+     * A previous segment may be an unreachable segment.
+     * In that case, the information object of the unreachable segment is not
+     * initialized because `onCodePathSegmentStart` event is not notified for
+     * unreachable segments.
+     * This goes to the previous segments of the unreachable segment recursively
+     * if the unreachable segment was generated by a return statement. Otherwise,
+     * this ignores the unreachable segment.
+     *
+     * This behavior would simulate code paths for the case that the return
+     * statement does not exist.
+     * @param {ASTNode[]} uselessReturns The collected return statements.
+     * @param {CodePathSegment[]} prevSegments The previous segments to traverse.
+     * @param {WeakSet<CodePathSegment>} [providedTraversedSegments] A set of segments that have already been traversed in this call
+     * @returns {ASTNode[]} `uselessReturns`.
+     */
+
+
+    function getUselessReturns(uselessReturns, prevSegments, providedTraversedSegments) {
+      const traversedSegments = providedTraversedSegments || new WeakSet();
+
+      for (const segment of prevSegments) {
+        if (!segment.reachable) {
+          if (!traversedSegments.has(segment)) {
+            traversedSegments.add(segment);
+            getUselessReturns(uselessReturns, segment.allPrevSegments.filter(isReturned), traversedSegments);
+          }
+
+          continue;
+        }
+
+        uselessReturns.push(...segmentInfoMap.get(segment).uselessReturns);
+      }
+
+      return uselessReturns;
+    }
+    /**
+     * Removes the return statements on the given segment from the useless return
+     * statement list.
+     *
+     * This segment may be an unreachable segment.
+     * In that case, the information object of the unreachable segment is not
+     * initialized because `onCodePathSegmentStart` event is not notified for
+     * unreachable segments.
+     * This goes to the previous segments of the unreachable segment recursively
+     * if the unreachable segment was generated by a return statement. Otherwise,
+     * this ignores the unreachable segment.
+     *
+     * This behavior would simulate code paths for the case that the return
+     * statement does not exist.
+     * @param {CodePathSegment} segment The segment to get return statements.
+     * @returns {void}
+     */
+
+
+    function markReturnStatementsOnSegmentAsUsed(segment) {
+      if (!segment.reachable) {
+        usedUnreachableSegments.add(segment);
+        segment.allPrevSegments.filter(isReturned).filter(prevSegment => !usedUnreachableSegments.has(prevSegment)).forEach(markReturnStatementsOnSegmentAsUsed);
+        return;
+      }
+
+      const info = segmentInfoMap.get(segment);
+
+      for (const node of info.uselessReturns) {
+        remove(scopeInfo.uselessReturns, node);
+      }
+
+      info.uselessReturns = [];
+    }
+    /**
+     * Removes the return statements on the current segments from the useless
+     * return statement list.
+     *
+     * This function will be called at every statement except FunctionDeclaration,
+     * BlockStatement, and BreakStatement.
+     *
+     * - FunctionDeclarations are always executed whether it's returned or not.
+     * - BlockStatements do nothing.
+     * - BreakStatements go the next merely.
+     * @returns {void}
+     */
+
+
+    function markReturnStatementsOnCurrentSegmentsAsUsed() {
+      scopeInfo.codePath.currentSegments.forEach(markReturnStatementsOnSegmentAsUsed);
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      // Makes and pushs a new scope information.
+      onCodePathStart(codePath) {
+        scopeInfo = {
+          upper: scopeInfo,
+          uselessReturns: [],
+          codePath
+        };
+      },
+
+      // Reports useless return statements if exist.
+      onCodePathEnd() {
+        for (const node of scopeInfo.uselessReturns) {
+          context.report({
+            node,
+            loc: node.loc,
+            messageId: "unnecessaryReturn",
+
+            fix(fixer) {
+              if (isRemovable(node) && !sourceCode.getCommentsInside(node).length) {
+                /*
+                 * Extend the replacement range to include the
+                 * entire function to avoid conflicting with
+                 * no-else-return.
+                 * https://github.com/eslint/eslint/issues/8026
+                 */
+                return new FixTracker(fixer, sourceCode).retainEnclosingFunction(node).remove(node);
+              }
+
+              return null;
+            }
+
+          });
+        }
+
+        scopeInfo = scopeInfo.upper;
+      },
+
+      /*
+       * Initializes segments.
+       * NOTE: This event is notified for only reachable segments.
+       */
+      onCodePathSegmentStart(segment) {
+        const info = {
+          uselessReturns: getUselessReturns([], segment.allPrevSegments),
+          returned: false
+        }; // Stores the info.
+
+        segmentInfoMap.set(segment, info);
+      },
+
+      // Adds ReturnStatement node to check whether it's useless or not.
+      ReturnStatement(node) {
+        if (node.argument) {
+          markReturnStatementsOnCurrentSegmentsAsUsed();
+        }
+
+        if (node.argument || astUtils.isInLoop(node) || isInFinally(node) || // Ignore `return` statements in unreachable places (https://github.com/eslint/eslint/issues/11647).
+        !scopeInfo.codePath.currentSegments.some(s => s.reachable)) {
+          return;
+        }
+
+        for (const segment of scopeInfo.codePath.currentSegments) {
+          const info = segmentInfoMap.get(segment);
+
+          if (info) {
+            info.uselessReturns.push(node);
+            info.returned = true;
+          }
+        }
+
+        scopeInfo.uselessReturns.push(node);
+      },
+
+      /*
+       * Registers for all statement nodes except FunctionDeclaration, BlockStatement, BreakStatement.
+       * Removes return statements of the current segments from the useless return statement list.
+       */
+      ClassDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ContinueStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      DebuggerStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      DoWhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      EmptyStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ExpressionStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ForInStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ForOfStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ForStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      IfStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ImportDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+      LabeledStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      SwitchStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ThrowStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      TryStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      VariableDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+      WhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      WithStatement: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ExportNamedDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ExportDefaultDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed,
+      ExportAllDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed
+    };
+  }
+
+};
+
+/***/ }),
+/* 657 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for the usage of var.
+ * @author Jamund Ferguson
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Check whether a given variable is a global variable or not.
+ * @param {eslint-scope.Variable} variable The variable to check.
+ * @returns {boolean} `true` if the variable is a global variable.
+ */
+
+
+function isGlobal(variable) {
+  return Boolean(variable.scope) && variable.scope.type === "global";
+}
+/**
+ * Finds the nearest function scope or global scope walking up the scope
+ * hierarchy.
+ * @param {eslint-scope.Scope} scope The scope to traverse.
+ * @returns {eslint-scope.Scope} a function scope or global scope containing the given
+ *      scope.
+ */
+
+
+function getEnclosingFunctionScope(scope) {
+  let currentScope = scope;
+
+  while (currentScope.type !== "function" && currentScope.type !== "global") {
+    currentScope = currentScope.upper;
+  }
+
+  return currentScope;
+}
+/**
+ * Checks whether the given variable has any references from a more specific
+ * function expression (i.e. a closure).
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is used from a closure.
+ */
+
+
+function isReferencedInClosure(variable) {
+  const enclosingFunctionScope = getEnclosingFunctionScope(variable.scope);
+  return variable.references.some(reference => getEnclosingFunctionScope(reference.from) !== enclosingFunctionScope);
+}
+/**
+ * Checks whether the given node is the assignee of a loop.
+ * @param {ASTNode} node A VariableDeclaration node to check.
+ * @returns {boolean} `true` if the declaration is assigned as part of loop
+ *      iteration.
+ */
+
+
+function isLoopAssignee(node) {
+  return (node.parent.type === "ForOfStatement" || node.parent.type === "ForInStatement") && node === node.parent.left;
+}
+/**
+ * Checks whether the given variable declaration is immediately initialized.
+ * @param {ASTNode} node A VariableDeclaration node to check.
+ * @returns {boolean} `true` if the declaration has an initializer.
+ */
+
+
+function isDeclarationInitialized(node) {
+  return node.declarations.every(declarator => declarator.init !== null);
+}
+
+const SCOPE_NODE_TYPE = /^(?:Program|BlockStatement|SwitchStatement|ForStatement|ForInStatement|ForOfStatement)$/u;
+/**
+ * Gets the scope node which directly contains a given node.
+ * @param {ASTNode} node A node to get. This is a `VariableDeclaration` or
+ *      an `Identifier`.
+ * @returns {ASTNode} A scope node. This is one of `Program`, `BlockStatement`,
+ *      `SwitchStatement`, `ForStatement`, `ForInStatement`, and
+ *      `ForOfStatement`.
+ */
+
+function getScopeNode(node) {
+  for (let currentNode = node; currentNode; currentNode = currentNode.parent) {
+    if (SCOPE_NODE_TYPE.test(currentNode.type)) {
+      return currentNode;
+    }
+  }
+  /* istanbul ignore next : unreachable */
+
+
+  return null;
+}
+/**
+ * Checks whether a given variable is redeclared or not.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is redeclared.
+ */
+
+
+function isRedeclared(variable) {
+  return variable.defs.length >= 2;
+}
+/**
+ * Checks whether a given variable is used from outside of the specified scope.
+ * @param {ASTNode} scopeNode A scope node to check.
+ * @returns {Function} The predicate function which checks whether a given
+ *      variable is used from outside of the specified scope.
+ */
+
+
+function isUsedFromOutsideOf(scopeNode) {
+  /**
+   * Checks whether a given reference is inside of the specified scope or not.
+   * @param {eslint-scope.Reference} reference A reference to check.
+   * @returns {boolean} `true` if the reference is inside of the specified
+   *      scope.
+   */
+  function isOutsideOfScope(reference) {
+    const scope = scopeNode.range;
+    const id = reference.identifier.range;
+    return id[0] < scope[0] || id[1] > scope[1];
+  }
+
+  return function (variable) {
+    return variable.references.some(isOutsideOfScope);
+  };
+}
+/**
+ * Creates the predicate function which checks whether a variable has their references in TDZ.
+ *
+ * The predicate function would return `true`:
+ *
+ * - if a reference is before the declarator. E.g. (var a = b, b = 1;)(var {a = b, b} = {};)
+ * - if a reference is in the expression of their default value.  E.g. (var {a = a} = {};)
+ * - if a reference is in the expression of their initializer.  E.g. (var a = a;)
+ * @param {ASTNode} node The initializer node of VariableDeclarator.
+ * @returns {Function} The predicate function.
+ * @private
+ */
+
+
+function hasReferenceInTDZ(node) {
+  const initStart = node.range[0];
+  const initEnd = node.range[1];
+  return variable => {
+    const id = variable.defs[0].name;
+    const idStart = id.range[0];
+    const defaultValue = id.parent.type === "AssignmentPattern" ? id.parent.right : null;
+    const defaultStart = defaultValue && defaultValue.range[0];
+    const defaultEnd = defaultValue && defaultValue.range[1];
+    return variable.references.some(reference => {
+      const start = reference.identifier.range[0];
+      const end = reference.identifier.range[1];
+      return !reference.init && (start < idStart || defaultValue !== null && start >= defaultStart && end <= defaultEnd || start >= initStart && end <= initEnd);
+    });
+  };
+}
+/**
+ * Checks whether a given variable has name that is allowed for 'var' declarations,
+ * but disallowed for `let` declarations.
+ * @param {eslint-scope.Variable} variable The variable to check.
+ * @returns {boolean} `true` if the variable has a disallowed name.
+ */
+
+
+function hasNameDisallowedForLetDeclarations(variable) {
+  return variable.name === "let";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `let` or `const` instead of `var`",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-var"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unexpectedVar: "Unexpected var, use let or const instead."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Checks whether the variables which are defined by the given declarator node have their references in TDZ.
+     * @param {ASTNode} declarator The VariableDeclarator node to check.
+     * @returns {boolean} `true` if one of the variables which are defined by the given declarator node have their references in TDZ.
+     */
+
+    function hasSelfReferenceInTDZ(declarator) {
+      if (!declarator.init) {
+        return false;
+      }
+
+      const variables = context.getDeclaredVariables(declarator);
+      return variables.some(hasReferenceInTDZ(declarator.init));
+    }
+    /**
+     * Checks whether it can fix a given variable declaration or not.
+     * It cannot fix if the following cases:
+     *
+     * - A variable is a global variable.
+     * - A variable is declared on a SwitchCase node.
+     * - A variable is redeclared.
+     * - A variable is used from outside the scope.
+     * - A variable is used from a closure within a loop.
+     * - A variable might be used before it is assigned within a loop.
+     * - A variable might be used in TDZ.
+     * - A variable is declared in statement position (e.g. a single-line `IfStatement`)
+     * - A variable has name that is disallowed for `let` declarations.
+     *
+     * ## A variable is declared on a SwitchCase node.
+     *
+     * If this rule modifies 'var' declarations on a SwitchCase node, it
+     * would generate the warnings of 'no-case-declarations' rule. And the
+     * 'eslint:recommended' preset includes 'no-case-declarations' rule, so
+     * this rule doesn't modify those declarations.
+     *
+     * ## A variable is redeclared.
+     *
+     * The language spec disallows redeclarations of `let` declarations.
+     * Those variables would cause syntax errors.
+     *
+     * ## A variable is used from outside the scope.
+     *
+     * The language spec disallows accesses from outside of the scope for
+     * `let` declarations. Those variables would cause reference errors.
+     *
+     * ## A variable is used from a closure within a loop.
+     *
+     * A `var` declaration within a loop shares the same variable instance
+     * across all loop iterations, while a `let` declaration creates a new
+     * instance for each iteration. This means if a variable in a loop is
+     * referenced by any closure, changing it from `var` to `let` would
+     * change the behavior in a way that is generally unsafe.
+     *
+     * ## A variable might be used before it is assigned within a loop.
+     *
+     * Within a loop, a `let` declaration without an initializer will be
+     * initialized to null, while a `var` declaration will retain its value
+     * from the previous iteration, so it is only safe to change `var` to
+     * `let` if we can statically determine that the variable is always
+     * assigned a value before its first access in the loop body. To keep
+     * the implementation simple, we only convert `var` to `let` within
+     * loops when the variable is a loop assignee or the declaration has an
+     * initializer.
+     * @param {ASTNode} node A variable declaration node to check.
+     * @returns {boolean} `true` if it can fix the node.
+     */
+
+
+    function canFix(node) {
+      const variables = context.getDeclaredVariables(node);
+      const scopeNode = getScopeNode(node);
+
+      if (node.parent.type === "SwitchCase" || node.declarations.some(hasSelfReferenceInTDZ) || variables.some(isGlobal) || variables.some(isRedeclared) || variables.some(isUsedFromOutsideOf(scopeNode)) || variables.some(hasNameDisallowedForLetDeclarations)) {
+        return false;
+      }
+
+      if (astUtils.isInLoop(node)) {
+        if (variables.some(isReferencedInClosure)) {
+          return false;
+        }
+
+        if (!isLoopAssignee(node) && !isDeclarationInitialized(node)) {
+          return false;
+        }
+      }
+
+      if (!isLoopAssignee(node) && !(node.parent.type === "ForStatement" && node.parent.init === node) && !astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+        // If the declaration is not in a block, e.g. `if (foo) var bar = 1;`, then it can't be fixed.
+        return false;
+      }
+
+      return true;
+    }
+    /**
+     * Reports a given variable declaration node.
+     * @param {ASTNode} node A variable declaration node to report.
+     * @returns {void}
+     */
+
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "unexpectedVar",
+
+        fix(fixer) {
+          const varToken = sourceCode.getFirstToken(node, {
+            filter: t => t.value === "var"
+          });
+          return canFix(node) ? fixer.replaceText(varToken, "let") : null;
+        }
+
+      });
+    }
+
+    return {
+      "VariableDeclaration:exit"(node) {
+        if (node.kind === "var") {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 658 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of void operator.
+ * @author Mike Sidorov
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `void` operators",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-void"
+    },
+    messages: {
+      noVoid: "Expected 'undefined' and instead saw 'void'."
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowAsStatement: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }]
+  },
+
+  create(context) {
+    const allowAsStatement = context.options[0] && context.options[0].allowAsStatement; //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    return {
+      'UnaryExpression[operator="void"]'(node) {
+        if (allowAsStatement && node.parent && node.parent.type === "ExpressionStatement") {
+          return;
+        }
+
+        context.report({
+          node,
+          messageId: "noVoid"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 659 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule that warns about used warning comments
+ * @author Alexander Schmidt <https://github.com/lxanders>
+ */
+
+
+const {
+  escapeRegExp
+} = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow specified warning terms in comments",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-warning-comments"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        terms: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        location: {
+          enum: ["start", "anywhere"]
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedComment: "Unexpected '{{matchedTerm}}' comment."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(),
+          configuration = context.options[0] || {},
+          warningTerms = configuration.terms || ["todo", "fixme", "xxx"],
+          location = configuration.location || "start",
+          selfConfigRegEx = /\bno-warning-comments\b/u;
+    /**
+     * Convert a warning term into a RegExp which will match a comment containing that whole word in the specified
+     * location ("start" or "anywhere"). If the term starts or ends with non word characters, then the match will not
+     * require word boundaries on that side.
+     * @param {string} term A term to convert to a RegExp
+     * @returns {RegExp} The term converted to a RegExp
+     */
+
+    function convertToRegExp(term) {
+      const escaped = escapeRegExp(term);
+      const wordBoundary = "\\b";
+      const eitherOrWordBoundary = "|".concat(wordBoundary);
+      let prefix;
+      /*
+       * If the term ends in a word character (a-z0-9_), ensure a word
+       * boundary at the end, so that substrings do not get falsely
+       * matched. eg "todo" in a string such as "mastodon".
+       * If the term ends in a non-word character, then \b won't match on
+       * the boundary to the next non-word character, which would likely
+       * be a space. For example `/\bFIX!\b/.test('FIX! blah') === false`.
+       * In these cases, use no bounding match. Same applies for the
+       * prefix, handled below.
+       */
+
+      const suffix = /\w$/u.test(term) ? "\\b" : "";
+
+      if (location === "start") {
+        /*
+         * When matching at the start, ignore leading whitespace, and
+         * there's no need to worry about word boundaries.
+         */
+        prefix = "^\\s*";
+      } else if (/^\w/u.test(term)) {
+        prefix = wordBoundary;
+      } else {
+        prefix = "";
+      }
+
+      if (location === "start") {
+        /*
+         * For location "start" the regex should be
+         * ^\s*TERM\b.  This checks the word boundary
+         * at the beginning of the comment.
+         */
+        return new RegExp(prefix + escaped + suffix, "iu");
+      }
+      /*
+       * For location "anywhere" the regex should be
+       * \bTERM\b|\bTERM\b, this checks the entire comment
+       * for the term.
+       */
+
+
+      return new RegExp(prefix + escaped + suffix + eitherOrWordBoundary + term + wordBoundary, "iu");
+    }
+
+    const warningRegExps = warningTerms.map(convertToRegExp);
+    /**
+     * Checks the specified comment for matches of the configured warning terms and returns the matches.
+     * @param {string} comment The comment which is checked.
+     * @returns {Array} All matched warning terms for this comment.
+     */
+
+    function commentContainsWarningTerm(comment) {
+      const matches = [];
+      warningRegExps.forEach((regex, index) => {
+        if (regex.test(comment)) {
+          matches.push(warningTerms[index]);
+        }
+      });
+      return matches;
+    }
+    /**
+     * Checks the specified node for matching warning comments and reports them.
+     * @param {ASTNode} node The AST node being checked.
+     * @returns {void} undefined.
+     */
+
+
+    function checkComment(node) {
+      if (astUtils.isDirectiveComment(node) && selfConfigRegEx.test(node.value)) {
+        return;
+      }
+
+      const matches = commentContainsWarningTerm(node.value);
+      matches.forEach(matchedTerm => {
+        context.report({
+          node,
+          messageId: "unexpectedComment",
+          data: {
+            matchedTerm
+          }
+        });
+      });
+    }
+
+    return {
+      Program() {
+        const comments = sourceCode.getAllComments();
+        comments.filter(token => token.type !== "Shebang").forEach(checkComment);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 660 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow whitespace before properties
+ * @author Kai Cataldo
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "disallow whitespace before properties",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/no-whitespace-before-property"
+    },
+    fixable: "whitespace",
+    schema: [],
+    messages: {
+      unexpectedWhitespace: "Unexpected whitespace before property {{propName}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports whitespace before property token
+     * @param {ASTNode} node the node to report in the event of an error
+     * @param {Token} leftToken the left token
+     * @param {Token} rightToken the right token
+     * @returns {void}
+     * @private
+     */
+
+    function reportError(node, leftToken, rightToken) {
+      const replacementText = node.computed ? "" : ".";
+      context.report({
+        node,
+        messageId: "unexpectedWhitespace",
+        data: {
+          propName: sourceCode.getText(node.property)
+        },
+
+        fix(fixer) {
+          if (!node.computed && astUtils.isDecimalInteger(node.object)) {
+            /*
+             * If the object is a number literal, fixing it to something like 5.toString() would cause a SyntaxError.
+             * Don't fix this case.
+             */
+            return null;
+          }
+
+          return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], replacementText);
+        }
+
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      MemberExpression(node) {
+        let rightToken;
+        let leftToken;
+
+        if (!astUtils.isTokenOnSameLine(node.object, node.property)) {
+          return;
+        }
+
+        if (node.computed) {
+          rightToken = sourceCode.getTokenBefore(node.property, astUtils.isOpeningBracketToken);
+          leftToken = sourceCode.getTokenBefore(rightToken);
+        } else {
+          rightToken = sourceCode.getFirstToken(node.property);
+          leftToken = sourceCode.getTokenBefore(rightToken, 1);
+        }
+
+        if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken)) {
+          reportError(node, leftToken, rightToken);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 661 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of with statement
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `with` statements",
+      category: "Best Practices",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/no-with"
+    },
+    schema: [],
+    messages: {
+      unexpectedWith: "Unexpected use of 'with' statement."
+    }
+  },
+
+  create(context) {
+    return {
+      WithStatement(node) {
+        context.report({
+          node,
+          messageId: "unexpectedWith"
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 662 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview enforce the location of single-line statements
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+const POSITION_SCHEMA = {
+  enum: ["beside", "below", "any"]
+};
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce the location of single-line statements",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/nonblock-statement-body-position"
+    },
+    fixable: "whitespace",
+    schema: [POSITION_SCHEMA, {
+      properties: {
+        overrides: {
+          properties: {
+            if: POSITION_SCHEMA,
+            else: POSITION_SCHEMA,
+            while: POSITION_SCHEMA,
+            do: POSITION_SCHEMA,
+            for: POSITION_SCHEMA
+          },
+          additionalProperties: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      expectNoLinebreak: "Expected no linebreak before this statement.",
+      expectLinebreak: "Expected a linebreak before this statement."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Gets the applicable preference for a particular keyword
+     * @param {string} keywordName The name of a keyword, e.g. 'if'
+     * @returns {string} The applicable option for the keyword, e.g. 'beside'
+     */
+
+    function getOption(keywordName) {
+      return context.options[1] && context.options[1].overrides && context.options[1].overrides[keywordName] || context.options[0] || "beside";
+    }
+    /**
+     * Validates the location of a single-line statement
+     * @param {ASTNode} node The single-line statement
+     * @param {string} keywordName The applicable keyword name for the single-line statement
+     * @returns {void}
+     */
+
+
+    function validateStatement(node, keywordName) {
+      const option = getOption(keywordName);
+
+      if (node.type === "BlockStatement" || option === "any") {
+        return;
+      }
+
+      const tokenBefore = sourceCode.getTokenBefore(node);
+
+      if (tokenBefore.loc.end.line === node.loc.start.line && option === "below") {
+        context.report({
+          node,
+          messageId: "expectLinebreak",
+          fix: fixer => fixer.insertTextBefore(node, "\n")
+        });
+      } else if (tokenBefore.loc.end.line !== node.loc.start.line && option === "beside") {
+        context.report({
+          node,
+          messageId: "expectNoLinebreak",
+
+          fix(fixer) {
+            if (sourceCode.getText().slice(tokenBefore.range[1], node.range[0]).trim()) {
+              return null;
+            }
+
+            return fixer.replaceTextRange([tokenBefore.range[1], node.range[0]], " ");
+          }
+
+        });
+      }
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      IfStatement(node) {
+        validateStatement(node.consequent, "if"); // Check the `else` node, but don't check 'else if' statements.
+
+        if (node.alternate && node.alternate.type !== "IfStatement") {
+          validateStatement(node.alternate, "else");
+        }
+      },
+
+      WhileStatement: node => validateStatement(node.body, "while"),
+      DoWhileStatement: node => validateStatement(node.body, "do"),
+      ForStatement: node => validateStatement(node.body, "for"),
+      ForInStatement: node => validateStatement(node.body, "for"),
+      ForOfStatement: node => validateStatement(node.body, "for")
+    };
+  }
+
+};
+
+/***/ }),
+/* 663 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require or disallow line breaks inside braces.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+// Schema objects.
+
+
+const OPTION_VALUE = {
+  oneOf: [{
+    enum: ["always", "never"]
+  }, {
+    type: "object",
+    properties: {
+      multiline: {
+        type: "boolean"
+      },
+      minProperties: {
+        type: "integer",
+        minimum: 0
+      },
+      consistent: {
+        type: "boolean"
+      }
+    },
+    additionalProperties: false,
+    minProperties: 1
+  }]
+};
+/**
+ * Normalizes a given option value.
+ * @param {string|Object|undefined} value An option value to parse.
+ * @returns {{multiline: boolean, minProperties: number, consistent: boolean}} Normalized option object.
+ */
+
+function normalizeOptionValue(value) {
+  let multiline = false;
+  let minProperties = Number.POSITIVE_INFINITY;
+  let consistent = false;
+
+  if (value) {
+    if (value === "always") {
+      minProperties = 0;
+    } else if (value === "never") {
+      minProperties = Number.POSITIVE_INFINITY;
+    } else {
+      multiline = Boolean(value.multiline);
+      minProperties = value.minProperties || Number.POSITIVE_INFINITY;
+      consistent = Boolean(value.consistent);
+    }
+  } else {
+    consistent = true;
+  }
+
+  return {
+    multiline,
+    minProperties,
+    consistent
+  };
+}
+/**
+ * Normalizes a given option value.
+ * @param {string|Object|undefined} options An option value to parse.
+ * @returns {{
+ *   ObjectExpression: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ObjectPattern: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ImportDeclaration: {multiline: boolean, minProperties: number, consistent: boolean},
+ *   ExportNamedDeclaration : {multiline: boolean, minProperties: number, consistent: boolean}
+ * }} Normalized option object.
+ */
+
+
+function normalizeOptions(options) {
+  const isNodeSpecificOption = lodash.overSome([lodash.isPlainObject, lodash.isString]);
+
+  if (lodash.isPlainObject(options) && lodash.some(options, isNodeSpecificOption)) {
+    return {
+      ObjectExpression: normalizeOptionValue(options.ObjectExpression),
+      ObjectPattern: normalizeOptionValue(options.ObjectPattern),
+      ImportDeclaration: normalizeOptionValue(options.ImportDeclaration),
+      ExportNamedDeclaration: normalizeOptionValue(options.ExportDeclaration)
+    };
+  }
+
+  const value = normalizeOptionValue(options);
+  return {
+    ObjectExpression: value,
+    ObjectPattern: value,
+    ImportDeclaration: value,
+    ExportNamedDeclaration: value
+  };
+}
+/**
+ * Determines if ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration
+ * node needs to be checked for missing line breaks
+ * @param {ASTNode} node Node under inspection
+ * @param {Object} options option specific to node type
+ * @param {Token} first First object property
+ * @param {Token} last Last object property
+ * @returns {boolean} `true` if node needs to be checked for missing line breaks
+ */
+
+
+function areLineBreaksRequired(node, options, first, last) {
+  let objectProperties;
+
+  if (node.type === "ObjectExpression" || node.type === "ObjectPattern") {
+    objectProperties = node.properties;
+  } else {
+    // is ImportDeclaration or ExportNamedDeclaration
+    objectProperties = node.specifiers.filter(s => s.type === "ImportSpecifier" || s.type === "ExportSpecifier");
+  }
+
+  return objectProperties.length >= options.minProperties || options.multiline && objectProperties.length > 0 && first.loc.start.line !== last.loc.end.line;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent line breaks inside braces",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/object-curly-newline"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [OPTION_VALUE, {
+        type: "object",
+        properties: {
+          ObjectExpression: OPTION_VALUE,
+          ObjectPattern: OPTION_VALUE,
+          ImportDeclaration: OPTION_VALUE,
+          ExportDeclaration: OPTION_VALUE
+        },
+        additionalProperties: false,
+        minProperties: 1
+      }]
+    }],
+    messages: {
+      unexpectedLinebreakBeforeClosingBrace: "Unexpected line break before this closing brace.",
+      unexpectedLinebreakAfterOpeningBrace: "Unexpected line break after this opening brace.",
+      expectedLinebreakBeforeClosingBrace: "Expected a line break before this closing brace.",
+      expectedLinebreakAfterOpeningBrace: "Expected a line break after this opening brace."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const normalizedOptions = normalizeOptions(context.options[0]);
+    /**
+     * Reports a given node if it violated this rule.
+     * @param {ASTNode} node A node to check. This is an ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration node.
+     * @returns {void}
+     */
+
+    function check(node) {
+      const options = normalizedOptions[node.type];
+
+      if (node.type === "ImportDeclaration" && !node.specifiers.some(specifier => specifier.type === "ImportSpecifier") || node.type === "ExportNamedDeclaration" && !node.specifiers.some(specifier => specifier.type === "ExportSpecifier")) {
+        return;
+      }
+
+      const openBrace = sourceCode.getFirstToken(node, token => token.value === "{");
+      let closeBrace;
+
+      if (node.typeAnnotation) {
+        closeBrace = sourceCode.getTokenBefore(node.typeAnnotation);
+      } else {
+        closeBrace = sourceCode.getLastToken(node, token => token.value === "}");
+      }
+
+      let first = sourceCode.getTokenAfter(openBrace, {
+        includeComments: true
+      });
+      let last = sourceCode.getTokenBefore(closeBrace, {
+        includeComments: true
+      });
+      const needsLineBreaks = areLineBreaksRequired(node, options, first, last);
+      const hasCommentsFirstToken = astUtils.isCommentToken(first);
+      const hasCommentsLastToken = astUtils.isCommentToken(last);
+      /*
+       * Use tokens or comments to check multiline or not.
+       * But use only tokens to check whether line breaks are needed.
+       * This allows:
+       *     var obj = { // eslint-disable-line foo
+       *         a: 1
+       *     }
+       */
+
+      first = sourceCode.getTokenAfter(openBrace);
+      last = sourceCode.getTokenBefore(closeBrace);
+
+      if (needsLineBreaks) {
+        if (astUtils.isTokenOnSameLine(openBrace, first)) {
+          context.report({
+            messageId: "expectedLinebreakAfterOpeningBrace",
+            node,
+            loc: openBrace.loc.start,
+
+            fix(fixer) {
+              if (hasCommentsFirstToken) {
+                return null;
+              }
+
+              return fixer.insertTextAfter(openBrace, "\n");
+            }
+
+          });
+        }
+
+        if (astUtils.isTokenOnSameLine(last, closeBrace)) {
+          context.report({
+            messageId: "expectedLinebreakBeforeClosingBrace",
+            node,
+            loc: closeBrace.loc.start,
+
+            fix(fixer) {
+              if (hasCommentsLastToken) {
+                return null;
+              }
+
+              return fixer.insertTextBefore(closeBrace, "\n");
+            }
+
+          });
+        }
+      } else {
+        const consistent = options.consistent;
+        const hasLineBreakBetweenOpenBraceAndFirst = !astUtils.isTokenOnSameLine(openBrace, first);
+        const hasLineBreakBetweenCloseBraceAndLast = !astUtils.isTokenOnSameLine(last, closeBrace);
+
+        if (!consistent && hasLineBreakBetweenOpenBraceAndFirst || consistent && hasLineBreakBetweenOpenBraceAndFirst && !hasLineBreakBetweenCloseBraceAndLast) {
+          context.report({
+            messageId: "unexpectedLinebreakAfterOpeningBrace",
+            node,
+            loc: openBrace.loc.start,
+
+            fix(fixer) {
+              if (hasCommentsFirstToken) {
+                return null;
+              }
+
+              return fixer.removeRange([openBrace.range[1], first.range[0]]);
+            }
+
+          });
+        }
+
+        if (!consistent && hasLineBreakBetweenCloseBraceAndLast || consistent && !hasLineBreakBetweenOpenBraceAndFirst && hasLineBreakBetweenCloseBraceAndLast) {
+          context.report({
+            messageId: "unexpectedLinebreakBeforeClosingBrace",
+            node,
+            loc: closeBrace.loc.start,
+
+            fix(fixer) {
+              if (hasCommentsLastToken) {
+                return null;
+              }
+
+              return fixer.removeRange([last.range[1], closeBrace.range[0]]);
+            }
+
+          });
+        }
+      }
+    }
+
+    return {
+      ObjectExpression: check,
+      ObjectPattern: check,
+      ImportDeclaration: check,
+      ExportNamedDeclaration: check
+    };
+  }
+
+};
+
+/***/ }),
+/* 664 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows or enforces spaces inside of object literals.
+ * @author Jamund Ferguson
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing inside braces",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/object-curly-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        arraysInObjects: {
+          type: "boolean"
+        },
+        objectsInObjects: {
+          type: "boolean"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      requireSpaceBefore: "A space is required before '{{token}}'.",
+      requireSpaceAfter: "A space is required after '{{token}}'.",
+      unexpectedSpaceBefore: "There should be no space before '{{token}}'.",
+      unexpectedSpaceAfter: "There should be no space after '{{token}}'."
+    }
+  },
+
+  create(context) {
+    const spaced = context.options[0] === "always",
+          sourceCode = context.getSourceCode();
+    /**
+     * Determines whether an option is set, relative to the spacing option.
+     * If spaced is "always", then check whether option is set to false.
+     * If spaced is "never", then check whether option is set to true.
+     * @param {Object} option The option to exclude.
+     * @returns {boolean} Whether or not the property is excluded.
+     */
+
+    function isOptionSet(option) {
+      return context.options[1] ? context.options[1][option] === !spaced : false;
+    }
+
+    const options = {
+      spaced,
+      arraysInObjectsException: isOptionSet("arraysInObjects"),
+      objectsInObjectsException: isOptionSet("objectsInObjects")
+    }; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports that there shouldn't be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+    function reportNoBeginningSpace(node, token) {
+      const nextToken = context.getSourceCode().getTokenAfter(token, {
+        includeComments: true
+      });
+      context.report({
+        node,
+        loc: {
+          start: token.loc.end,
+          end: nextToken.loc.start
+        },
+        messageId: "unexpectedSpaceAfter",
+        data: {
+          token: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([token.range[1], nextToken.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there shouldn't be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportNoEndingSpace(node, token) {
+      const previousToken = context.getSourceCode().getTokenBefore(token, {
+        includeComments: true
+      });
+      context.report({
+        node,
+        loc: {
+          start: previousToken.loc.end,
+          end: token.loc.start
+        },
+        messageId: "unexpectedSpaceBefore",
+        data: {
+          token: token.value
+        },
+
+        fix(fixer) {
+          return fixer.removeRange([previousToken.range[1], token.range[0]]);
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space after the first token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredBeginningSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "requireSpaceAfter",
+        data: {
+          token: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextAfter(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Reports that there should be a space before the last token
+     * @param {ASTNode} node The node to report in the event of an error.
+     * @param {Token} token The token to use for the report.
+     * @returns {void}
+     */
+
+
+    function reportRequiredEndingSpace(node, token) {
+      context.report({
+        node,
+        loc: token.loc,
+        messageId: "requireSpaceBefore",
+        data: {
+          token: token.value
+        },
+
+        fix(fixer) {
+          return fixer.insertTextBefore(token, " ");
+        }
+
+      });
+    }
+    /**
+     * Determines if spacing in curly braces is valid.
+     * @param {ASTNode} node The AST node to check.
+     * @param {Token} first The first token to check (should be the opening brace)
+     * @param {Token} second The second token to check (should be first after the opening brace)
+     * @param {Token} penultimate The penultimate token to check (should be last before closing brace)
+     * @param {Token} last The last token to check (should be closing brace)
+     * @returns {void}
+     */
+
+
+    function validateBraceSpacing(node, first, second, penultimate, last) {
+      if (astUtils.isTokenOnSameLine(first, second)) {
+        const firstSpaced = sourceCode.isSpaceBetweenTokens(first, second);
+
+        if (options.spaced && !firstSpaced) {
+          reportRequiredBeginningSpace(node, first);
+        }
+
+        if (!options.spaced && firstSpaced && second.type !== "Line") {
+          reportNoBeginningSpace(node, first);
+        }
+      }
+
+      if (astUtils.isTokenOnSameLine(penultimate, last)) {
+        const shouldCheckPenultimate = options.arraysInObjectsException && astUtils.isClosingBracketToken(penultimate) || options.objectsInObjectsException && astUtils.isClosingBraceToken(penultimate);
+        const penultimateType = shouldCheckPenultimate && sourceCode.getNodeByRangeIndex(penultimate.range[0]).type;
+        const closingCurlyBraceMustBeSpaced = options.arraysInObjectsException && penultimateType === "ArrayExpression" || options.objectsInObjectsException && (penultimateType === "ObjectExpression" || penultimateType === "ObjectPattern") ? !options.spaced : options.spaced;
+        const lastSpaced = sourceCode.isSpaceBetweenTokens(penultimate, last);
+
+        if (closingCurlyBraceMustBeSpaced && !lastSpaced) {
+          reportRequiredEndingSpace(node, last);
+        }
+
+        if (!closingCurlyBraceMustBeSpaced && lastSpaced) {
+          reportNoEndingSpace(node, last);
+        }
+      }
+    }
+    /**
+     * Gets '}' token of an object node.
+     *
+     * Because the last token of object patterns might be a type annotation,
+     * this traverses tokens preceded by the last property, then returns the
+     * first '}' token.
+     * @param {ASTNode} node The node to get. This node is an
+     *      ObjectExpression or an ObjectPattern. And this node has one or
+     *      more properties.
+     * @returns {Token} '}' token.
+     */
+
+
+    function getClosingBraceOfObject(node) {
+      const lastProperty = node.properties[node.properties.length - 1];
+      return sourceCode.getTokenAfter(lastProperty, astUtils.isClosingBraceToken);
+    }
+    /**
+     * Reports a given object node if spacing in curly braces is invalid.
+     * @param {ASTNode} node An ObjectExpression or ObjectPattern node to check.
+     * @returns {void}
+     */
+
+
+    function checkForObject(node) {
+      if (node.properties.length === 0) {
+        return;
+      }
+
+      const first = sourceCode.getFirstToken(node),
+            last = getClosingBraceOfObject(node),
+            second = sourceCode.getTokenAfter(first, {
+        includeComments: true
+      }),
+            penultimate = sourceCode.getTokenBefore(last, {
+        includeComments: true
+      });
+      validateBraceSpacing(node, first, second, penultimate, last);
+    }
+    /**
+     * Reports a given import node if spacing in curly braces is invalid.
+     * @param {ASTNode} node An ImportDeclaration node to check.
+     * @returns {void}
+     */
+
+
+    function checkForImport(node) {
+      if (node.specifiers.length === 0) {
+        return;
+      }
+
+      let firstSpecifier = node.specifiers[0];
+      const lastSpecifier = node.specifiers[node.specifiers.length - 1];
+
+      if (lastSpecifier.type !== "ImportSpecifier") {
+        return;
+      }
+
+      if (firstSpecifier.type !== "ImportSpecifier") {
+        firstSpecifier = node.specifiers[1];
+      }
+
+      const first = sourceCode.getTokenBefore(firstSpecifier),
+            last = sourceCode.getTokenAfter(lastSpecifier, astUtils.isNotCommaToken),
+            second = sourceCode.getTokenAfter(first, {
+        includeComments: true
+      }),
+            penultimate = sourceCode.getTokenBefore(last, {
+        includeComments: true
+      });
+      validateBraceSpacing(node, first, second, penultimate, last);
+    }
+    /**
+     * Reports a given export node if spacing in curly braces is invalid.
+     * @param {ASTNode} node An ExportNamedDeclaration node to check.
+     * @returns {void}
+     */
+
+
+    function checkForExport(node) {
+      if (node.specifiers.length === 0) {
+        return;
+      }
+
+      const firstSpecifier = node.specifiers[0],
+            lastSpecifier = node.specifiers[node.specifiers.length - 1],
+            first = sourceCode.getTokenBefore(firstSpecifier),
+            last = sourceCode.getTokenAfter(lastSpecifier, astUtils.isNotCommaToken),
+            second = sourceCode.getTokenAfter(first, {
+        includeComments: true
+      }),
+            penultimate = sourceCode.getTokenBefore(last, {
+        includeComments: true
+      });
+      validateBraceSpacing(node, first, second, penultimate, last);
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      // var {x} = y;
+      ObjectPattern: checkForObject,
+      // var y = {x: 'y'}
+      ObjectExpression: checkForObject,
+      // import {y} from 'x';
+      ImportDeclaration: checkForImport,
+      // export {name} from 'yo';
+      ExportNamedDeclaration: checkForExport
+    };
+  }
+
+};
+
+/***/ }),
+/* 665 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce placing object properties on separate lines.
+ * @author Vitor Balocco
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce placing object properties on separate lines",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/object-property-newline"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowAllPropertiesOnSameLine: {
+          type: "boolean",
+          default: false
+        },
+        allowMultiplePropertiesPerLine: {
+          // Deprecated
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "whitespace",
+    messages: {
+      propertiesOnNewlineAll: "Object properties must go on a new line if they aren't all on the same line.",
+      propertiesOnNewline: "Object properties must go on a new line."
+    }
+  },
+
+  create(context) {
+    const allowSameLine = context.options[0] && (context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine
+    /* Deprecated */
+    );
+    const messageId = allowSameLine ? "propertiesOnNewlineAll" : "propertiesOnNewline";
+    const sourceCode = context.getSourceCode();
+    return {
+      ObjectExpression(node) {
+        if (allowSameLine) {
+          if (node.properties.length > 1) {
+            const firstTokenOfFirstProperty = sourceCode.getFirstToken(node.properties[0]);
+            const lastTokenOfLastProperty = sourceCode.getLastToken(node.properties[node.properties.length - 1]);
+
+            if (firstTokenOfFirstProperty.loc.end.line === lastTokenOfLastProperty.loc.start.line) {
+              // All keys and values are on the same line
+              return;
+            }
+          }
+        }
+
+        for (let i = 1; i < node.properties.length; i++) {
+          const lastTokenOfPreviousProperty = sourceCode.getLastToken(node.properties[i - 1]);
+          const firstTokenOfCurrentProperty = sourceCode.getFirstToken(node.properties[i]);
+
+          if (lastTokenOfPreviousProperty.loc.end.line === firstTokenOfCurrentProperty.loc.start.line) {
+            context.report({
+              node,
+              loc: firstTokenOfCurrentProperty.loc.start,
+              messageId,
+
+              fix(fixer) {
+                const comma = sourceCode.getTokenBefore(firstTokenOfCurrentProperty);
+                const rangeAfterComma = [comma.range[1], firstTokenOfCurrentProperty.range[0]]; // Don't perform a fix if there are any comments between the comma and the next property.
+
+                if (sourceCode.text.slice(rangeAfterComma[0], rangeAfterComma[1]).trim()) {
+                  return null;
+                }
+
+                return fixer.replaceTextRange(rangeAfterComma, "\n");
+              }
+
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 666 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce concise object methods and properties.
+ * @author Jamund Ferguson
+ */
+
+
+const OPTIONS = {
+  always: "always",
+  never: "never",
+  methods: "methods",
+  properties: "properties",
+  consistent: "consistent",
+  consistentAsNeeded: "consistent-as-needed"
+}; //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow method and property shorthand syntax for object literals",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/object-shorthand"
+    },
+    fixable: "code",
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always", "methods", "properties", "never", "consistent", "consistent-as-needed"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["always", "methods", "properties"]
+        }, {
+          type: "object",
+          properties: {
+            avoidQuotes: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }, {
+        type: "array",
+        items: [{
+          enum: ["always", "methods"]
+        }, {
+          type: "object",
+          properties: {
+            ignoreConstructors: {
+              type: "boolean"
+            },
+            avoidQuotes: {
+              type: "boolean"
+            },
+            avoidExplicitReturnArrows: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    messages: {
+      expectedAllPropertiesShorthanded: "Expected shorthand for all properties.",
+      expectedLiteralMethodLongform: "Expected longform method syntax for string literal keys.",
+      expectedPropertyShorthand: "Expected property shorthand.",
+      expectedPropertyLongform: "Expected longform property syntax.",
+      expectedMethodShorthand: "Expected method shorthand.",
+      expectedMethodLongform: "Expected longform method syntax.",
+      unexpectedMix: "Unexpected mix of shorthand and non-shorthand properties."
+    }
+  },
+
+  create(context) {
+    const APPLY = context.options[0] || OPTIONS.always;
+    const APPLY_TO_METHODS = APPLY === OPTIONS.methods || APPLY === OPTIONS.always;
+    const APPLY_TO_PROPS = APPLY === OPTIONS.properties || APPLY === OPTIONS.always;
+    const APPLY_NEVER = APPLY === OPTIONS.never;
+    const APPLY_CONSISTENT = APPLY === OPTIONS.consistent;
+    const APPLY_CONSISTENT_AS_NEEDED = APPLY === OPTIONS.consistentAsNeeded;
+    const PARAMS = context.options[1] || {};
+    const IGNORE_CONSTRUCTORS = PARAMS.ignoreConstructors;
+    const AVOID_QUOTES = PARAMS.avoidQuotes;
+    const AVOID_EXPLICIT_RETURN_ARROWS = !!PARAMS.avoidExplicitReturnArrows;
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    const CTOR_PREFIX_REGEX = /[^_$0-9]/u;
+    /**
+     * Determines if the first character of the name is a capital letter.
+     * @param {string} name The name of the node to evaluate.
+     * @returns {boolean} True if the first character of the property name is a capital letter, false if not.
+     * @private
+     */
+
+    function isConstructor(name) {
+      const match = CTOR_PREFIX_REGEX.exec(name); // Not a constructor if name has no characters apart from '_', '$' and digits e.g. '_', '$$', '_8'
+
+      if (!match) {
+        return false;
+      }
+
+      const firstChar = name.charAt(match.index);
+      return firstChar === firstChar.toUpperCase();
+    }
+    /**
+     * Determines if the property can have a shorthand form.
+     * @param {ASTNode} property Property AST node
+     * @returns {boolean} True if the property can have a shorthand form
+     * @private
+     *
+     */
+
+
+    function canHaveShorthand(property) {
+      return property.kind !== "set" && property.kind !== "get" && property.type !== "SpreadElement" && property.type !== "SpreadProperty" && property.type !== "ExperimentalSpreadProperty";
+    }
+    /**
+     * Checks whether a node is a string literal.
+     * @param   {ASTNode} node Any AST node.
+     * @returns {boolean} `true` if it is a string literal.
+     */
+
+
+    function isStringLiteral(node) {
+      return node.type === "Literal" && typeof node.value === "string";
+    }
+    /**
+     * Determines if the property is a shorthand or not.
+     * @param {ASTNode} property Property AST node
+     * @returns {boolean} True if the property is considered shorthand, false if not.
+     * @private
+     *
+     */
+
+
+    function isShorthand(property) {
+      // property.method is true when `{a(){}}`.
+      return property.shorthand || property.method;
+    }
+    /**
+     * Determines if the property's key and method or value are named equally.
+     * @param {ASTNode} property Property AST node
+     * @returns {boolean} True if the key and value are named equally, false if not.
+     * @private
+     *
+     */
+
+
+    function isRedundant(property) {
+      const value = property.value;
+
+      if (value.type === "FunctionExpression") {
+        return !value.id; // Only anonymous should be shorthand method.
+      }
+
+      if (value.type === "Identifier") {
+        return astUtils.getStaticPropertyName(property) === value.name;
+      }
+
+      return false;
+    }
+    /**
+     * Ensures that an object's properties are consistently shorthand, or not shorthand at all.
+     * @param   {ASTNode} node Property AST node
+     * @param   {boolean} checkRedundancy Whether to check longform redundancy
+     * @returns {void}
+     *
+     */
+
+
+    function checkConsistency(node, checkRedundancy) {
+      // We are excluding getters/setters and spread properties as they are considered neither longform nor shorthand.
+      const properties = node.properties.filter(canHaveShorthand); // Do we still have properties left after filtering the getters and setters?
+
+      if (properties.length > 0) {
+        const shorthandProperties = properties.filter(isShorthand);
+        /*
+         * If we do not have an equal number of longform properties as
+         * shorthand properties, we are using the annotations inconsistently
+         */
+
+        if (shorthandProperties.length !== properties.length) {
+          // We have at least 1 shorthand property
+          if (shorthandProperties.length > 0) {
+            context.report({
+              node,
+              messageId: "unexpectedMix"
+            });
+          } else if (checkRedundancy) {
+            /*
+             * If all properties of the object contain a method or value with a name matching it's key,
+             * all the keys are redundant.
+             */
+            const canAlwaysUseShorthand = properties.every(isRedundant);
+
+            if (canAlwaysUseShorthand) {
+              context.report({
+                node,
+                messageId: "expectedAllPropertiesShorthanded"
+              });
+            }
+          }
+        }
+      }
+    }
+    /**
+     * Fixes a FunctionExpression node by making it into a shorthand property.
+     * @param {SourceCodeFixer} fixer The fixer object
+     * @param {ASTNode} node A `Property` node that has a `FunctionExpression` or `ArrowFunctionExpression` as its value
+     * @returns {Object} A fix for this node
+     */
+
+
+    function makeFunctionShorthand(fixer, node) {
+      const firstKeyToken = node.computed ? sourceCode.getFirstToken(node, astUtils.isOpeningBracketToken) : sourceCode.getFirstToken(node.key);
+      const lastKeyToken = node.computed ? sourceCode.getFirstTokenBetween(node.key, node.value, astUtils.isClosingBracketToken) : sourceCode.getLastToken(node.key);
+      const keyText = sourceCode.text.slice(firstKeyToken.range[0], lastKeyToken.range[1]);
+      let keyPrefix = ""; // key: /* */ () => {}
+
+      if (sourceCode.commentsExistBetween(lastKeyToken, node.value)) {
+        return null;
+      }
+
+      if (node.value.async) {
+        keyPrefix += "async ";
+      }
+
+      if (node.value.generator) {
+        keyPrefix += "*";
+      }
+
+      const fixRange = [firstKeyToken.range[0], node.range[1]];
+      const methodPrefix = keyPrefix + keyText;
+
+      if (node.value.type === "FunctionExpression") {
+        const functionToken = sourceCode.getTokens(node.value).find(token => token.type === "Keyword" && token.value === "function");
+        const tokenBeforeParams = node.value.generator ? sourceCode.getTokenAfter(functionToken) : functionToken;
+        return fixer.replaceTextRange(fixRange, methodPrefix + sourceCode.text.slice(tokenBeforeParams.range[1], node.value.range[1]));
+      }
+
+      const arrowToken = sourceCode.getTokenBefore(node.value.body, astUtils.isArrowToken);
+      const fnBody = sourceCode.text.slice(arrowToken.range[1], node.value.range[1]);
+      let shouldAddParensAroundParameters = false;
+      let tokenBeforeParams;
+
+      if (node.value.params.length === 0) {
+        tokenBeforeParams = sourceCode.getFirstToken(node.value, astUtils.isOpeningParenToken);
+      } else {
+        tokenBeforeParams = sourceCode.getTokenBefore(node.value.params[0]);
+      }
+
+      if (node.value.params.length === 1) {
+        const hasParen = astUtils.isOpeningParenToken(tokenBeforeParams);
+        const isTokenOutsideNode = tokenBeforeParams.range[0] < node.range[0];
+        shouldAddParensAroundParameters = !hasParen || isTokenOutsideNode;
+      }
+
+      const sliceStart = shouldAddParensAroundParameters ? node.value.params[0].range[0] : tokenBeforeParams.range[0];
+      const sliceEnd = sourceCode.getTokenBefore(arrowToken).range[1];
+      const oldParamText = sourceCode.text.slice(sliceStart, sliceEnd);
+      const newParamText = shouldAddParensAroundParameters ? "(".concat(oldParamText, ")") : oldParamText;
+      return fixer.replaceTextRange(fixRange, methodPrefix + newParamText + fnBody);
+    }
+    /**
+     * Fixes a FunctionExpression node by making it into a longform property.
+     * @param {SourceCodeFixer} fixer The fixer object
+     * @param {ASTNode} node A `Property` node that has a `FunctionExpression` as its value
+     * @returns {Object} A fix for this node
+     */
+
+
+    function makeFunctionLongform(fixer, node) {
+      const firstKeyToken = node.computed ? sourceCode.getTokens(node).find(token => token.value === "[") : sourceCode.getFirstToken(node.key);
+      const lastKeyToken = node.computed ? sourceCode.getTokensBetween(node.key, node.value).find(token => token.value === "]") : sourceCode.getLastToken(node.key);
+      const keyText = sourceCode.text.slice(firstKeyToken.range[0], lastKeyToken.range[1]);
+      let functionHeader = "function";
+
+      if (node.value.async) {
+        functionHeader = "async ".concat(functionHeader);
+      }
+
+      if (node.value.generator) {
+        functionHeader = "".concat(functionHeader, "*");
+      }
+
+      return fixer.replaceTextRange([node.range[0], lastKeyToken.range[1]], "".concat(keyText, ": ").concat(functionHeader));
+    }
+    /*
+     * To determine whether a given arrow function has a lexical identifier (`this`, `arguments`, `super`, or `new.target`),
+     * create a stack of functions that define these identifiers (i.e. all functions except arrow functions) as the AST is
+     * traversed. Whenever a new function is encountered, create a new entry on the stack (corresponding to a different lexical
+     * scope of `this`), and whenever a function is exited, pop that entry off the stack. When an arrow function is entered,
+     * keep a reference to it on the current stack entry, and remove that reference when the arrow function is exited.
+     * When a lexical identifier is encountered, mark all the arrow functions on the current stack entry by adding them
+     * to an `arrowsWithLexicalIdentifiers` set. Any arrow function in that set will not be reported by this rule,
+     * because converting it into a method would change the value of one of the lexical identifiers.
+     */
+
+
+    const lexicalScopeStack = [];
+    const arrowsWithLexicalIdentifiers = new WeakSet();
+    const argumentsIdentifiers = new WeakSet();
+    /**
+     * Enters a function. This creates a new lexical identifier scope, so a new Set of arrow functions is pushed onto the stack.
+     * Also, this marks all `arguments` identifiers so that they can be detected later.
+     * @returns {void}
+     */
+
+    function enterFunction() {
+      lexicalScopeStack.unshift(new Set());
+      context.getScope().variables.filter(variable => variable.name === "arguments").forEach(variable => {
+        variable.references.map(ref => ref.identifier).forEach(identifier => argumentsIdentifiers.add(identifier));
+      });
+    }
+    /**
+     * Exits a function. This pops the current set of arrow functions off the lexical scope stack.
+     * @returns {void}
+     */
+
+
+    function exitFunction() {
+      lexicalScopeStack.shift();
+    }
+    /**
+     * Marks the current function as having a lexical keyword. This implies that all arrow functions
+     * in the current lexical scope contain a reference to this lexical keyword.
+     * @returns {void}
+     */
+
+
+    function reportLexicalIdentifier() {
+      lexicalScopeStack[0].forEach(arrowFunction => arrowsWithLexicalIdentifiers.add(arrowFunction));
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: enterFunction,
+      FunctionDeclaration: enterFunction,
+      FunctionExpression: enterFunction,
+      "Program:exit": exitFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      "FunctionExpression:exit": exitFunction,
+
+      ArrowFunctionExpression(node) {
+        lexicalScopeStack[0].add(node);
+      },
+
+      "ArrowFunctionExpression:exit"(node) {
+        lexicalScopeStack[0].delete(node);
+      },
+
+      ThisExpression: reportLexicalIdentifier,
+      Super: reportLexicalIdentifier,
+
+      MetaProperty(node) {
+        if (node.meta.name === "new" && node.property.name === "target") {
+          reportLexicalIdentifier();
+        }
+      },
+
+      Identifier(node) {
+        if (argumentsIdentifiers.has(node)) {
+          reportLexicalIdentifier();
+        }
+      },
+
+      ObjectExpression(node) {
+        if (APPLY_CONSISTENT) {
+          checkConsistency(node, false);
+        } else if (APPLY_CONSISTENT_AS_NEEDED) {
+          checkConsistency(node, true);
+        }
+      },
+
+      "Property:exit"(node) {
+        const isConciseProperty = node.method || node.shorthand; // Ignore destructuring assignment
+
+        if (node.parent.type === "ObjectPattern") {
+          return;
+        } // getters and setters are ignored
+
+
+        if (node.kind === "get" || node.kind === "set") {
+          return;
+        } // only computed methods can fail the following checks
+
+
+        if (node.computed && node.value.type !== "FunctionExpression" && node.value.type !== "ArrowFunctionExpression") {
+          return;
+        } //--------------------------------------------------------------
+        // Checks for property/method shorthand.
+
+
+        if (isConciseProperty) {
+          if (node.method && (APPLY_NEVER || AVOID_QUOTES && isStringLiteral(node.key))) {
+            const messageId = APPLY_NEVER ? "expectedMethodLongform" : "expectedLiteralMethodLongform"; // { x() {} } should be written as { x: function() {} }
+
+            context.report({
+              node,
+              messageId,
+              fix: fixer => makeFunctionLongform(fixer, node)
+            });
+          } else if (APPLY_NEVER) {
+            // { x } should be written as { x: x }
+            context.report({
+              node,
+              messageId: "expectedPropertyLongform",
+              fix: fixer => fixer.insertTextAfter(node.key, ": ".concat(node.key.name))
+            });
+          }
+        } else if (APPLY_TO_METHODS && !node.value.id && (node.value.type === "FunctionExpression" || node.value.type === "ArrowFunctionExpression")) {
+          if (IGNORE_CONSTRUCTORS && node.key.type === "Identifier" && isConstructor(node.key.name)) {
+            return;
+          }
+
+          if (AVOID_QUOTES && isStringLiteral(node.key)) {
+            return;
+          } // {[x]: function(){}} should be written as {[x]() {}}
+
+
+          if (node.value.type === "FunctionExpression" || node.value.type === "ArrowFunctionExpression" && node.value.body.type === "BlockStatement" && AVOID_EXPLICIT_RETURN_ARROWS && !arrowsWithLexicalIdentifiers.has(node.value)) {
+            context.report({
+              node,
+              messageId: "expectedMethodShorthand",
+              fix: fixer => makeFunctionShorthand(fixer, node)
+            });
+          }
+        } else if (node.value.type === "Identifier" && node.key.name === node.value.name && APPLY_TO_PROPS) {
+          // {x: x} should be written as {x}
+          context.report({
+            node,
+            messageId: "expectedPropertyShorthand",
+
+            fix(fixer) {
+              return fixer.replaceText(node, node.value.name);
+            }
+
+          });
+        } else if (node.value.type === "Identifier" && node.key.type === "Literal" && node.key.value === node.value.name && APPLY_TO_PROPS) {
+          if (AVOID_QUOTES) {
+            return;
+          } // {"x": x} should be written as {x}
+
+
+          context.report({
+            node,
+            messageId: "expectedPropertyShorthand",
+
+            fix(fixer) {
+              return fixer.replaceText(node, node.value.name);
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 667 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to control the use of single variable declarations.
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce variables to be declared either together or separately in functions",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/one-var"
+    },
+    fixable: "code",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never", "consecutive"]
+      }, {
+        type: "object",
+        properties: {
+          separateRequires: {
+            type: "boolean"
+          },
+          var: {
+            enum: ["always", "never", "consecutive"]
+          },
+          let: {
+            enum: ["always", "never", "consecutive"]
+          },
+          const: {
+            enum: ["always", "never", "consecutive"]
+          }
+        },
+        additionalProperties: false
+      }, {
+        type: "object",
+        properties: {
+          initialized: {
+            enum: ["always", "never", "consecutive"]
+          },
+          uninitialized: {
+            enum: ["always", "never", "consecutive"]
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      combineUninitialized: "Combine this with the previous '{{type}}' statement with uninitialized variables.",
+      combineInitialized: "Combine this with the previous '{{type}}' statement with initialized variables.",
+      splitUninitialized: "Split uninitialized '{{type}}' declarations into multiple statements.",
+      splitInitialized: "Split initialized '{{type}}' declarations into multiple statements.",
+      splitRequires: "Split requires to be separated into a single block.",
+      combine: "Combine this with the previous '{{type}}' statement.",
+      split: "Split '{{type}}' declarations into multiple statements."
+    }
+  },
+
+  create(context) {
+    const MODE_ALWAYS = "always";
+    const MODE_NEVER = "never";
+    const MODE_CONSECUTIVE = "consecutive";
+    const mode = context.options[0] || MODE_ALWAYS;
+    const options = {};
+
+    if (typeof mode === "string") {
+      // simple options configuration with just a string
+      options.var = {
+        uninitialized: mode,
+        initialized: mode
+      };
+      options.let = {
+        uninitialized: mode,
+        initialized: mode
+      };
+      options.const = {
+        uninitialized: mode,
+        initialized: mode
+      };
+    } else if (typeof mode === "object") {
+      // options configuration is an object
+      options.separateRequires = !!mode.separateRequires;
+      options.var = {
+        uninitialized: mode.var,
+        initialized: mode.var
+      };
+      options.let = {
+        uninitialized: mode.let,
+        initialized: mode.let
+      };
+      options.const = {
+        uninitialized: mode.const,
+        initialized: mode.const
+      };
+
+      if (Object.prototype.hasOwnProperty.call(mode, "uninitialized")) {
+        options.var.uninitialized = mode.uninitialized;
+        options.let.uninitialized = mode.uninitialized;
+        options.const.uninitialized = mode.uninitialized;
+      }
+
+      if (Object.prototype.hasOwnProperty.call(mode, "initialized")) {
+        options.var.initialized = mode.initialized;
+        options.let.initialized = mode.initialized;
+        options.const.initialized = mode.initialized;
+      }
+    }
+
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    const functionStack = [];
+    const blockStack = [];
+    /**
+     * Increments the blockStack counter.
+     * @returns {void}
+     * @private
+     */
+
+    function startBlock() {
+      blockStack.push({
+        let: {
+          initialized: false,
+          uninitialized: false
+        },
+        const: {
+          initialized: false,
+          uninitialized: false
+        }
+      });
+    }
+    /**
+     * Increments the functionStack counter.
+     * @returns {void}
+     * @private
+     */
+
+
+    function startFunction() {
+      functionStack.push({
+        initialized: false,
+        uninitialized: false
+      });
+      startBlock();
+    }
+    /**
+     * Decrements the blockStack counter.
+     * @returns {void}
+     * @private
+     */
+
+
+    function endBlock() {
+      blockStack.pop();
+    }
+    /**
+     * Decrements the functionStack counter.
+     * @returns {void}
+     * @private
+     */
+
+
+    function endFunction() {
+      functionStack.pop();
+      endBlock();
+    }
+    /**
+     * Check if a variable declaration is a require.
+     * @param {ASTNode} decl variable declaration Node
+     * @returns {bool} if decl is a require, return true; else return false.
+     * @private
+     */
+
+
+    function isRequire(decl) {
+      return decl.init && decl.init.type === "CallExpression" && decl.init.callee.name === "require";
+    }
+    /**
+     * Records whether initialized/uninitialized/required variables are defined in current scope.
+     * @param {string} statementType node.kind, one of: "var", "let", or "const"
+     * @param {ASTNode[]} declarations List of declarations
+     * @param {Object} currentScope The scope being investigated
+     * @returns {void}
+     * @private
+     */
+
+
+    function recordTypes(statementType, declarations, currentScope) {
+      for (let i = 0; i < declarations.length; i++) {
+        if (declarations[i].init === null) {
+          if (options[statementType] && options[statementType].uninitialized === MODE_ALWAYS) {
+            currentScope.uninitialized = true;
+          }
+        } else {
+          if (options[statementType] && options[statementType].initialized === MODE_ALWAYS) {
+            if (options.separateRequires && isRequire(declarations[i])) {
+              currentScope.required = true;
+            } else {
+              currentScope.initialized = true;
+            }
+          }
+        }
+      }
+    }
+    /**
+     * Determines the current scope (function or block)
+     * @param  {string} statementType node.kind, one of: "var", "let", or "const"
+     * @returns {Object} The scope associated with statementType
+     */
+
+
+    function getCurrentScope(statementType) {
+      let currentScope;
+
+      if (statementType === "var") {
+        currentScope = functionStack[functionStack.length - 1];
+      } else if (statementType === "let") {
+        currentScope = blockStack[blockStack.length - 1].let;
+      } else if (statementType === "const") {
+        currentScope = blockStack[blockStack.length - 1].const;
+      }
+
+      return currentScope;
+    }
+    /**
+     * Counts the number of initialized and uninitialized declarations in a list of declarations
+     * @param {ASTNode[]} declarations List of declarations
+     * @returns {Object} Counts of 'uninitialized' and 'initialized' declarations
+     * @private
+     */
+
+
+    function countDeclarations(declarations) {
+      const counts = {
+        uninitialized: 0,
+        initialized: 0
+      };
+
+      for (let i = 0; i < declarations.length; i++) {
+        if (declarations[i].init === null) {
+          counts.uninitialized++;
+        } else {
+          counts.initialized++;
+        }
+      }
+
+      return counts;
+    }
+    /**
+     * Determines if there is more than one var statement in the current scope.
+     * @param {string} statementType node.kind, one of: "var", "let", or "const"
+     * @param {ASTNode[]} declarations List of declarations
+     * @returns {boolean} Returns true if it is the first var declaration, false if not.
+     * @private
+     */
+
+
+    function hasOnlyOneStatement(statementType, declarations) {
+      const declarationCounts = countDeclarations(declarations);
+      const currentOptions = options[statementType] || {};
+      const currentScope = getCurrentScope(statementType);
+      const hasRequires = declarations.some(isRequire);
+
+      if (currentOptions.uninitialized === MODE_ALWAYS && currentOptions.initialized === MODE_ALWAYS) {
+        if (currentScope.uninitialized || currentScope.initialized) {
+          if (!hasRequires) {
+            return false;
+          }
+        }
+      }
+
+      if (declarationCounts.uninitialized > 0) {
+        if (currentOptions.uninitialized === MODE_ALWAYS && currentScope.uninitialized) {
+          return false;
+        }
+      }
+
+      if (declarationCounts.initialized > 0) {
+        if (currentOptions.initialized === MODE_ALWAYS && currentScope.initialized) {
+          if (!hasRequires) {
+            return false;
+          }
+        }
+      }
+
+      if (currentScope.required && hasRequires) {
+        return false;
+      }
+
+      recordTypes(statementType, declarations, currentScope);
+      return true;
+    }
+    /**
+     * Fixer to join VariableDeclaration's into a single declaration
+     * @param   {VariableDeclarator[]} declarations The `VariableDeclaration` to join
+     * @returns {Function}                         The fixer function
+     */
+
+
+    function joinDeclarations(declarations) {
+      const declaration = declarations[0];
+      const body = Array.isArray(declaration.parent.parent.body) ? declaration.parent.parent.body : [];
+      const currentIndex = body.findIndex(node => node.range[0] === declaration.parent.range[0]);
+      const previousNode = body[currentIndex - 1];
+      return fixer => {
+        const type = sourceCode.getTokenBefore(declaration);
+        const prevSemi = sourceCode.getTokenBefore(type);
+        const res = [];
+
+        if (previousNode && previousNode.kind === sourceCode.getText(type)) {
+          if (prevSemi.value === ";") {
+            res.push(fixer.replaceText(prevSemi, ","));
+          } else {
+            res.push(fixer.insertTextAfter(prevSemi, ","));
+          }
+
+          res.push(fixer.replaceText(type, ""));
+        }
+
+        return res;
+      };
+    }
+    /**
+     * Fixer to split a VariableDeclaration into individual declarations
+     * @param   {VariableDeclaration}   declaration The `VariableDeclaration` to split
+     * @returns {Function}                          The fixer function
+     */
+
+
+    function splitDeclarations(declaration) {
+      return fixer => declaration.declarations.map(declarator => {
+        const tokenAfterDeclarator = sourceCode.getTokenAfter(declarator);
+
+        if (tokenAfterDeclarator === null) {
+          return null;
+        }
+
+        const afterComma = sourceCode.getTokenAfter(tokenAfterDeclarator, {
+          includeComments: true
+        });
+
+        if (tokenAfterDeclarator.value !== ",") {
+          return null;
+        }
+        /*
+         * `var x,y`
+         * tokenAfterDeclarator ^^ afterComma
+         */
+
+
+        if (afterComma.range[0] === tokenAfterDeclarator.range[1]) {
+          return fixer.replaceText(tokenAfterDeclarator, "; ".concat(declaration.kind, " "));
+        }
+        /*
+         * `var x,
+         * tokenAfterDeclarator ^
+         *      y`
+         *      ^ afterComma
+         */
+
+
+        if (afterComma.loc.start.line > tokenAfterDeclarator.loc.end.line || afterComma.type === "Line" || afterComma.type === "Block") {
+          let lastComment = afterComma;
+
+          while (lastComment.type === "Line" || lastComment.type === "Block") {
+            lastComment = sourceCode.getTokenAfter(lastComment, {
+              includeComments: true
+            });
+          }
+
+          return fixer.replaceTextRange([tokenAfterDeclarator.range[0], lastComment.range[0]], ";".concat(sourceCode.text.slice(tokenAfterDeclarator.range[1], lastComment.range[0])).concat(declaration.kind, " "));
+        }
+
+        return fixer.replaceText(tokenAfterDeclarator, "; ".concat(declaration.kind));
+      }).filter(x => x);
+    }
+    /**
+     * Checks a given VariableDeclaration node for errors.
+     * @param {ASTNode} node The VariableDeclaration node to check
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkVariableDeclaration(node) {
+      const parent = node.parent;
+      const type = node.kind;
+
+      if (!options[type]) {
+        return;
+      }
+
+      const declarations = node.declarations;
+      const declarationCounts = countDeclarations(declarations);
+      const mixedRequires = declarations.some(isRequire) && !declarations.every(isRequire);
+
+      if (options[type].initialized === MODE_ALWAYS) {
+        if (options.separateRequires && mixedRequires) {
+          context.report({
+            node,
+            messageId: "splitRequires"
+          });
+        }
+      } // consecutive
+
+
+      const nodeIndex = parent.body && parent.body.length > 0 && parent.body.indexOf(node) || 0;
+
+      if (nodeIndex > 0) {
+        const previousNode = parent.body[nodeIndex - 1];
+        const isPreviousNodeDeclaration = previousNode.type === "VariableDeclaration";
+        const declarationsWithPrevious = declarations.concat(previousNode.declarations || []);
+
+        if (isPreviousNodeDeclaration && previousNode.kind === type && !(declarationsWithPrevious.some(isRequire) && !declarationsWithPrevious.every(isRequire))) {
+          const previousDeclCounts = countDeclarations(previousNode.declarations);
+
+          if (options[type].initialized === MODE_CONSECUTIVE && options[type].uninitialized === MODE_CONSECUTIVE) {
+            context.report({
+              node,
+              messageId: "combine",
+              data: {
+                type
+              },
+              fix: joinDeclarations(declarations)
+            });
+          } else if (options[type].initialized === MODE_CONSECUTIVE && declarationCounts.initialized > 0 && previousDeclCounts.initialized > 0) {
+            context.report({
+              node,
+              messageId: "combineInitialized",
+              data: {
+                type
+              },
+              fix: joinDeclarations(declarations)
+            });
+          } else if (options[type].uninitialized === MODE_CONSECUTIVE && declarationCounts.uninitialized > 0 && previousDeclCounts.uninitialized > 0) {
+            context.report({
+              node,
+              messageId: "combineUninitialized",
+              data: {
+                type
+              },
+              fix: joinDeclarations(declarations)
+            });
+          }
+        }
+      } // always
+
+
+      if (!hasOnlyOneStatement(type, declarations)) {
+        if (options[type].initialized === MODE_ALWAYS && options[type].uninitialized === MODE_ALWAYS) {
+          context.report({
+            node,
+            messageId: "combine",
+            data: {
+              type
+            },
+            fix: joinDeclarations(declarations)
+          });
+        } else {
+          if (options[type].initialized === MODE_ALWAYS && declarationCounts.initialized > 0) {
+            context.report({
+              node,
+              messageId: "combineInitialized",
+              data: {
+                type
+              },
+              fix: joinDeclarations(declarations)
+            });
+          }
+
+          if (options[type].uninitialized === MODE_ALWAYS && declarationCounts.uninitialized > 0) {
+            if (node.parent.left === node && (node.parent.type === "ForInStatement" || node.parent.type === "ForOfStatement")) {
+              return;
+            }
+
+            context.report({
+              node,
+              messageId: "combineUninitialized",
+              data: {
+                type
+              },
+              fix: joinDeclarations(declarations)
+            });
+          }
+        }
+      } // never
+
+
+      if (parent.type !== "ForStatement" || parent.init !== node) {
+        const totalDeclarations = declarationCounts.uninitialized + declarationCounts.initialized;
+
+        if (totalDeclarations > 1) {
+          if (options[type].initialized === MODE_NEVER && options[type].uninitialized === MODE_NEVER) {
+            // both initialized and uninitialized
+            context.report({
+              node,
+              messageId: "split",
+              data: {
+                type
+              },
+              fix: splitDeclarations(node)
+            });
+          } else if (options[type].initialized === MODE_NEVER && declarationCounts.initialized > 0) {
+            // initialized
+            context.report({
+              node,
+              messageId: "splitInitialized",
+              data: {
+                type
+              },
+              fix: splitDeclarations(node)
+            });
+          } else if (options[type].uninitialized === MODE_NEVER && declarationCounts.uninitialized > 0) {
+            // uninitialized
+            context.report({
+              node,
+              messageId: "splitUninitialized",
+              data: {
+                type
+              },
+              fix: splitDeclarations(node)
+            });
+          }
+        }
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: startFunction,
+      FunctionDeclaration: startFunction,
+      FunctionExpression: startFunction,
+      ArrowFunctionExpression: startFunction,
+      BlockStatement: startBlock,
+      ForStatement: startBlock,
+      ForInStatement: startBlock,
+      ForOfStatement: startBlock,
+      SwitchStatement: startBlock,
+      VariableDeclaration: checkVariableDeclaration,
+      "ForStatement:exit": endBlock,
+      "ForOfStatement:exit": endBlock,
+      "ForInStatement:exit": endBlock,
+      "SwitchStatement:exit": endBlock,
+      "BlockStatement:exit": endBlock,
+      "Program:exit": endFunction,
+      "FunctionDeclaration:exit": endFunction,
+      "FunctionExpression:exit": endFunction,
+      "ArrowFunctionExpression:exit": endFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 668 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check multiple var declarations per line
+ * @author Alberto Rodríguez
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow newlines around variable declarations",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/one-var-declaration-per-line"
+    },
+    schema: [{
+      enum: ["always", "initializations"]
+    }],
+    fixable: "whitespace",
+    messages: {
+      expectVarOnNewline: "Expected variable declaration to be on a new line."
+    }
+  },
+
+  create(context) {
+    const always = context.options[0] === "always"; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Determine if provided keyword is a variant of for specifiers
+     * @private
+     * @param {string} keyword keyword to test
+     * @returns {boolean} True if `keyword` is a variant of for specifier
+     */
+
+    function isForTypeSpecifier(keyword) {
+      return keyword === "ForStatement" || keyword === "ForInStatement" || keyword === "ForOfStatement";
+    }
+    /**
+     * Checks newlines around variable declarations.
+     * @private
+     * @param {ASTNode} node `VariableDeclaration` node to test
+     * @returns {void}
+     */
+
+
+    function checkForNewLine(node) {
+      if (isForTypeSpecifier(node.parent.type)) {
+        return;
+      }
+
+      const declarations = node.declarations;
+      let prev;
+      declarations.forEach(current => {
+        if (prev && prev.loc.end.line === current.loc.start.line) {
+          if (always || prev.init || current.init) {
+            context.report({
+              node,
+              messageId: "expectVarOnNewline",
+              loc: current.loc.start,
+              fix: fixer => fixer.insertTextBefore(current, "\n")
+            });
+          }
+        }
+
+        prev = current;
+      });
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      VariableDeclaration: checkForNewLine
+    };
+  }
+
+};
+
+/***/ }),
+/* 669 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to replace assignment expressions with operator assignment
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether an operator is commutative and has an operator assignment
+ * shorthand form.
+ * @param   {string}  operator Operator to check.
+ * @returns {boolean}          True if the operator is commutative and has a
+ *     shorthand form.
+ */
+
+
+function isCommutativeOperatorWithShorthand(operator) {
+  return ["*", "&", "^", "|"].indexOf(operator) >= 0;
+}
+/**
+ * Checks whether an operator is not commutative and has an operator assignment
+ * shorthand form.
+ * @param   {string}  operator Operator to check.
+ * @returns {boolean}          True if the operator is not commutative and has
+ *     a shorthand form.
+ */
+
+
+function isNonCommutativeOperatorWithShorthand(operator) {
+  return ["+", "-", "/", "%", "<<", ">>", ">>>", "**"].indexOf(operator) >= 0;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether two expressions reference the same value. For example:
+ *     a = a
+ *     a.b = a.b
+ *     a[0] = a[0]
+ *     a['b'] = a['b']
+ * @param   {ASTNode} a Left side of the comparison.
+ * @param   {ASTNode} b Right side of the comparison.
+ * @returns {boolean}   True if both sides match and reference the same value.
+ */
+
+
+function same(a, b) {
+  if (a.type !== b.type) {
+    return false;
+  }
+
+  switch (a.type) {
+    case "Identifier":
+      return a.name === b.name;
+
+    case "Literal":
+      return a.value === b.value;
+
+    case "MemberExpression":
+      /*
+       * x[0] = x[0]
+       * x[y] = x[y]
+       * x.y = x.y
+       */
+      return same(a.object, b.object) && same(a.property, b.property);
+
+    case "ThisExpression":
+      return true;
+
+    default:
+      return false;
+  }
+}
+/**
+ * Determines if the left side of a node can be safely fixed (i.e. if it activates the same getters/setters and)
+ * toString calls regardless of whether assignment shorthand is used)
+ * @param {ASTNode} node The node on the left side of the expression
+ * @returns {boolean} `true` if the node can be fixed
+ */
+
+
+function canBeFixed(node) {
+  return node.type === "Identifier" || node.type === "MemberExpression" && (node.object.type === "Identifier" || node.object.type === "ThisExpression") && (!node.computed || node.property.type === "Literal");
+}
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow assignment operator shorthand where possible",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/operator-assignment"
+    },
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    fixable: "code",
+    messages: {
+      replaced: "Assignment can be replaced with operator assignment.",
+      unexpected: "Unexpected operator assignment shorthand."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Returns the operator token of an AssignmentExpression or BinaryExpression
+     * @param {ASTNode} node An AssignmentExpression or BinaryExpression node
+     * @returns {Token} The operator token in the node
+     */
+
+    function getOperatorToken(node) {
+      return sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+    }
+    /**
+     * Ensures that an assignment uses the shorthand form where possible.
+     * @param   {ASTNode} node An AssignmentExpression node.
+     * @returns {void}
+     */
+
+
+    function verify(node) {
+      if (node.operator !== "=" || node.right.type !== "BinaryExpression") {
+        return;
+      }
+
+      const left = node.left;
+      const expr = node.right;
+      const operator = expr.operator;
+
+      if (isCommutativeOperatorWithShorthand(operator) || isNonCommutativeOperatorWithShorthand(operator)) {
+        if (same(left, expr.left)) {
+          context.report({
+            node,
+            messageId: "replaced",
+
+            fix(fixer) {
+              if (canBeFixed(left)) {
+                const equalsToken = getOperatorToken(node);
+                const operatorToken = getOperatorToken(expr);
+                const leftText = sourceCode.getText().slice(node.range[0], equalsToken.range[0]);
+                const rightText = sourceCode.getText().slice(operatorToken.range[1], node.right.range[1]); // Check for comments that would be removed.
+
+                if (sourceCode.commentsExistBetween(equalsToken, operatorToken)) {
+                  return null;
+                }
+
+                return fixer.replaceText(node, "".concat(leftText).concat(expr.operator, "=").concat(rightText));
+              }
+
+              return null;
+            }
+
+          });
+        } else if (same(left, expr.right) && isCommutativeOperatorWithShorthand(operator)) {
+          /*
+           * This case can't be fixed safely.
+           * If `a` and `b` both have custom valueOf() behavior, then fixing `a = b * a` to `a *= b` would
+           * change the execution order of the valueOf() functions.
+           */
+          context.report({
+            node,
+            messageId: "replaced"
+          });
+        }
+      }
+    }
+    /**
+     * Warns if an assignment expression uses operator assignment shorthand.
+     * @param   {ASTNode} node An AssignmentExpression node.
+     * @returns {void}
+     */
+
+
+    function prohibit(node) {
+      if (node.operator !== "=") {
+        context.report({
+          node,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            if (canBeFixed(node.left)) {
+              const firstToken = sourceCode.getFirstToken(node);
+              const operatorToken = getOperatorToken(node);
+              const leftText = sourceCode.getText().slice(node.range[0], operatorToken.range[0]);
+              const newOperator = node.operator.slice(0, -1);
+              let rightText; // Check for comments that would be duplicated.
+
+              if (sourceCode.commentsExistBetween(firstToken, operatorToken)) {
+                return null;
+              } // If this change would modify precedence (e.g. `foo *= bar + 1` => `foo = foo * (bar + 1)`), parenthesize the right side.
+
+
+              if (astUtils.getPrecedence(node.right) <= astUtils.getPrecedence({
+                type: "BinaryExpression",
+                operator: newOperator
+              }) && !astUtils.isParenthesised(sourceCode, node.right)) {
+                rightText = "".concat(sourceCode.text.slice(operatorToken.range[1], node.right.range[0]), "(").concat(sourceCode.getText(node.right), ")");
+              } else {
+                const tokenAfterOperator = sourceCode.getTokenAfter(operatorToken, {
+                  includeComments: true
+                });
+                let rightTextPrefix = "";
+
+                if (operatorToken.range[1] === tokenAfterOperator.range[0] && !astUtils.canTokensBeAdjacent({
+                  type: "Punctuator",
+                  value: newOperator
+                }, tokenAfterOperator)) {
+                  rightTextPrefix = " "; // foo+=+bar -> foo= foo+ +bar
+                }
+
+                rightText = "".concat(rightTextPrefix).concat(sourceCode.text.slice(operatorToken.range[1], node.range[1]));
+              }
+
+              return fixer.replaceText(node, "".concat(leftText, "= ").concat(leftText).concat(newOperator).concat(rightText));
+            }
+
+            return null;
+          }
+
+        });
+      }
+    }
+
+    return {
+      AssignmentExpression: context.options[0] !== "never" ? verify : prohibit
+    };
+  }
+
+};
+
+/***/ }),
+/* 670 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Operator linebreak - enforces operator linebreak style of two types: after and before
+ * @author Benoît Zugmeyer
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent linebreak style for operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/operator-linebreak"
+    },
+    schema: [{
+      enum: ["after", "before", "none", null]
+    }, {
+      type: "object",
+      properties: {
+        overrides: {
+          type: "object",
+          properties: {
+            anyOf: {
+              type: "string",
+              enum: ["after", "before", "none", "ignore"]
+            }
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      operatorAtBeginning: "'{{operator}}' should be placed at the beginning of the line.",
+      operatorAtEnd: "'{{operator}}' should be placed at the end of the line.",
+      badLinebreak: "Bad line breaking before and after '{{operator}}'.",
+      noLinebreak: "There should be no line break before or after '{{operator}}'."
+    }
+  },
+
+  create(context) {
+    const usedDefaultGlobal = !context.options[0];
+    const globalStyle = context.options[0] || "after";
+    const options = context.options[1] || {};
+    const styleOverrides = options.overrides ? Object.assign({}, options.overrides) : {};
+
+    if (usedDefaultGlobal && !styleOverrides["?"]) {
+      styleOverrides["?"] = "before";
+    }
+
+    if (usedDefaultGlobal && !styleOverrides[":"]) {
+      styleOverrides[":"] = "before";
+    }
+
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets a fixer function to fix rule issues
+     * @param {Token} operatorToken The operator token of an expression
+     * @param {string} desiredStyle The style for the rule. One of 'before', 'after', 'none'
+     * @returns {Function} A fixer function
+     */
+
+    function getFixer(operatorToken, desiredStyle) {
+      return fixer => {
+        const tokenBefore = sourceCode.getTokenBefore(operatorToken);
+        const tokenAfter = sourceCode.getTokenAfter(operatorToken);
+        const textBefore = sourceCode.text.slice(tokenBefore.range[1], operatorToken.range[0]);
+        const textAfter = sourceCode.text.slice(operatorToken.range[1], tokenAfter.range[0]);
+        const hasLinebreakBefore = !astUtils.isTokenOnSameLine(tokenBefore, operatorToken);
+        const hasLinebreakAfter = !astUtils.isTokenOnSameLine(operatorToken, tokenAfter);
+        let newTextBefore, newTextAfter;
+
+        if (hasLinebreakBefore !== hasLinebreakAfter && desiredStyle !== "none") {
+          // If there is a comment before and after the operator, don't do a fix.
+          if (sourceCode.getTokenBefore(operatorToken, {
+            includeComments: true
+          }) !== tokenBefore && sourceCode.getTokenAfter(operatorToken, {
+            includeComments: true
+          }) !== tokenAfter) {
+            return null;
+          }
+          /*
+           * If there is only one linebreak and it's on the wrong side of the operator, swap the text before and after the operator.
+           * foo &&
+           *           bar
+           * would get fixed to
+           * foo
+           *        && bar
+           */
+
+
+          newTextBefore = textAfter;
+          newTextAfter = textBefore;
+        } else {
+          const LINEBREAK_REGEX = astUtils.createGlobalLinebreakMatcher(); // Otherwise, if no linebreak is desired and no comments interfere, replace the linebreaks with empty strings.
+
+          newTextBefore = desiredStyle === "before" || textBefore.trim() ? textBefore : textBefore.replace(LINEBREAK_REGEX, "");
+          newTextAfter = desiredStyle === "after" || textAfter.trim() ? textAfter : textAfter.replace(LINEBREAK_REGEX, ""); // If there was no change (due to interfering comments), don't output a fix.
+
+          if (newTextBefore === textBefore && newTextAfter === textAfter) {
+            return null;
+          }
+        }
+
+        if (newTextAfter === "" && tokenAfter.type === "Punctuator" && "+-".includes(operatorToken.value) && tokenAfter.value === operatorToken.value) {
+          // To avoid accidentally creating a ++ or -- operator, insert a space if the operator is a +/- and the following token is a unary +/-.
+          newTextAfter += " ";
+        }
+
+        return fixer.replaceTextRange([tokenBefore.range[1], tokenAfter.range[0]], newTextBefore + operatorToken.value + newTextAfter);
+      };
+    }
+    /**
+     * Checks the operator placement
+     * @param {ASTNode} node The node to check
+     * @param {ASTNode} leftSide The node that comes before the operator in `node`
+     * @private
+     * @returns {void}
+     */
+
+
+    function validateNode(node, leftSide) {
+      /*
+       * When the left part of a binary expression is a single expression wrapped in
+       * parentheses (ex: `(a) + b`), leftToken will be the last token of the expression
+       * and operatorToken will be the closing parenthesis.
+       * The leftToken should be the last closing parenthesis, and the operatorToken
+       * should be the token right after that.
+       */
+      const operatorToken = sourceCode.getTokenAfter(leftSide, astUtils.isNotClosingParenToken);
+      const leftToken = sourceCode.getTokenBefore(operatorToken);
+      const rightToken = sourceCode.getTokenAfter(operatorToken);
+      const operator = operatorToken.value;
+      const operatorStyleOverride = styleOverrides[operator];
+      const style = operatorStyleOverride || globalStyle;
+      const fix = getFixer(operatorToken, style); // if single line
+
+      if (astUtils.isTokenOnSameLine(leftToken, operatorToken) && astUtils.isTokenOnSameLine(operatorToken, rightToken)) {// do nothing.
+      } else if (operatorStyleOverride !== "ignore" && !astUtils.isTokenOnSameLine(leftToken, operatorToken) && !astUtils.isTokenOnSameLine(operatorToken, rightToken)) {
+        // lone operator
+        context.report({
+          node,
+          loc: operatorToken.loc,
+          messageId: "badLinebreak",
+          data: {
+            operator
+          },
+          fix
+        });
+      } else if (style === "before" && astUtils.isTokenOnSameLine(leftToken, operatorToken)) {
+        context.report({
+          node,
+          loc: operatorToken.loc,
+          messageId: "operatorAtBeginning",
+          data: {
+            operator
+          },
+          fix
+        });
+      } else if (style === "after" && astUtils.isTokenOnSameLine(operatorToken, rightToken)) {
+        context.report({
+          node,
+          loc: operatorToken.loc,
+          messageId: "operatorAtEnd",
+          data: {
+            operator
+          },
+          fix
+        });
+      } else if (style === "none") {
+        context.report({
+          node,
+          loc: operatorToken.loc,
+          messageId: "noLinebreak",
+          data: {
+            operator
+          },
+          fix
+        });
+      }
+    }
+    /**
+     * Validates a binary expression using `validateNode`
+     * @param {BinaryExpression|LogicalExpression|AssignmentExpression} node node to be validated
+     * @returns {void}
+     */
+
+
+    function validateBinaryExpression(node) {
+      validateNode(node, node.left);
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      BinaryExpression: validateBinaryExpression,
+      LogicalExpression: validateBinaryExpression,
+      AssignmentExpression: validateBinaryExpression,
+
+      VariableDeclarator(node) {
+        if (node.init) {
+          validateNode(node, node.id);
+        }
+      },
+
+      ConditionalExpression(node) {
+        validateNode(node, node.test);
+        validateNode(node, node.consequent);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 671 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to ensure blank lines within blocks.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow padding within blocks",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/padded-blocks"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never"]
+      }, {
+        type: "object",
+        properties: {
+          blocks: {
+            enum: ["always", "never"]
+          },
+          switches: {
+            enum: ["always", "never"]
+          },
+          classes: {
+            enum: ["always", "never"]
+          }
+        },
+        additionalProperties: false,
+        minProperties: 1
+      }]
+    }, {
+      type: "object",
+      properties: {
+        allowSingleLineBlocks: {
+          type: "boolean"
+        }
+      }
+    }],
+    messages: {
+      alwaysPadBlock: "Block must be padded by blank lines.",
+      neverPadBlock: "Block must not be padded by blank lines."
+    }
+  },
+
+  create(context) {
+    const options = {};
+    const typeOptions = context.options[0] || "always";
+    const exceptOptions = context.options[1] || {};
+
+    if (typeof typeOptions === "string") {
+      const shouldHavePadding = typeOptions === "always";
+      options.blocks = shouldHavePadding;
+      options.switches = shouldHavePadding;
+      options.classes = shouldHavePadding;
+    } else {
+      if (Object.prototype.hasOwnProperty.call(typeOptions, "blocks")) {
+        options.blocks = typeOptions.blocks === "always";
+      }
+
+      if (Object.prototype.hasOwnProperty.call(typeOptions, "switches")) {
+        options.switches = typeOptions.switches === "always";
+      }
+
+      if (Object.prototype.hasOwnProperty.call(typeOptions, "classes")) {
+        options.classes = typeOptions.classes === "always";
+      }
+    }
+
+    if (Object.prototype.hasOwnProperty.call(exceptOptions, "allowSingleLineBlocks")) {
+      options.allowSingleLineBlocks = exceptOptions.allowSingleLineBlocks === true;
+    }
+
+    const sourceCode = context.getSourceCode();
+    /**
+     * Gets the open brace token from a given node.
+     * @param {ASTNode} node A BlockStatement or SwitchStatement node from which to get the open brace.
+     * @returns {Token} The token of the open brace.
+     */
+
+    function getOpenBrace(node) {
+      if (node.type === "SwitchStatement") {
+        return sourceCode.getTokenBefore(node.cases[0]);
+      }
+
+      return sourceCode.getFirstToken(node);
+    }
+    /**
+     * Checks if the given parameter is a comment node
+     * @param {ASTNode|Token} node An AST node or token
+     * @returns {boolean} True if node is a comment
+     */
+
+
+    function isComment(node) {
+      return node.type === "Line" || node.type === "Block";
+    }
+    /**
+     * Checks if there is padding between two tokens
+     * @param {Token} first The first token
+     * @param {Token} second The second token
+     * @returns {boolean} True if there is at least a line between the tokens
+     */
+
+
+    function isPaddingBetweenTokens(first, second) {
+      return second.loc.start.line - first.loc.end.line >= 2;
+    }
+    /**
+     * Checks if the given token has a blank line after it.
+     * @param {Token} token The token to check.
+     * @returns {boolean} Whether or not the token is followed by a blank line.
+     */
+
+
+    function getFirstBlockToken(token) {
+      let prev,
+          first = token;
+
+      do {
+        prev = first;
+        first = sourceCode.getTokenAfter(first, {
+          includeComments: true
+        });
+      } while (isComment(first) && first.loc.start.line === prev.loc.end.line);
+
+      return first;
+    }
+    /**
+     * Checks if the given token is preceded by a blank line.
+     * @param {Token} token The token to check
+     * @returns {boolean} Whether or not the token is preceded by a blank line
+     */
+
+
+    function getLastBlockToken(token) {
+      let last = token,
+          next;
+
+      do {
+        next = last;
+        last = sourceCode.getTokenBefore(last, {
+          includeComments: true
+        });
+      } while (isComment(last) && last.loc.end.line === next.loc.start.line);
+
+      return last;
+    }
+    /**
+     * Checks if a node should be padded, according to the rule config.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {boolean} True if the node should be padded, false otherwise.
+     */
+
+
+    function requirePaddingFor(node) {
+      switch (node.type) {
+        case "BlockStatement":
+          return options.blocks;
+
+        case "SwitchStatement":
+          return options.switches;
+
+        case "ClassBody":
+          return options.classes;
+
+        /* istanbul ignore next */
+
+        default:
+          throw new Error("unreachable");
+      }
+    }
+    /**
+     * Checks the given BlockStatement node to be padded if the block is not empty.
+     * @param {ASTNode} node The AST node of a BlockStatement.
+     * @returns {void} undefined.
+     */
+
+
+    function checkPadding(node) {
+      const openBrace = getOpenBrace(node),
+            firstBlockToken = getFirstBlockToken(openBrace),
+            tokenBeforeFirst = sourceCode.getTokenBefore(firstBlockToken, {
+        includeComments: true
+      }),
+            closeBrace = sourceCode.getLastToken(node),
+            lastBlockToken = getLastBlockToken(closeBrace),
+            tokenAfterLast = sourceCode.getTokenAfter(lastBlockToken, {
+        includeComments: true
+      }),
+            blockHasTopPadding = isPaddingBetweenTokens(tokenBeforeFirst, firstBlockToken),
+            blockHasBottomPadding = isPaddingBetweenTokens(lastBlockToken, tokenAfterLast);
+
+      if (options.allowSingleLineBlocks && astUtils.isTokenOnSameLine(tokenBeforeFirst, tokenAfterLast)) {
+        return;
+      }
+
+      if (requirePaddingFor(node)) {
+        if (!blockHasTopPadding) {
+          context.report({
+            node,
+            loc: {
+              line: tokenBeforeFirst.loc.start.line,
+              column: tokenBeforeFirst.loc.start.column
+            },
+
+            fix(fixer) {
+              return fixer.insertTextAfter(tokenBeforeFirst, "\n");
+            },
+
+            messageId: "alwaysPadBlock"
+          });
+        }
+
+        if (!blockHasBottomPadding) {
+          context.report({
+            node,
+            loc: {
+              line: tokenAfterLast.loc.end.line,
+              column: tokenAfterLast.loc.end.column - 1
+            },
+
+            fix(fixer) {
+              return fixer.insertTextBefore(tokenAfterLast, "\n");
+            },
+
+            messageId: "alwaysPadBlock"
+          });
+        }
+      } else {
+        if (blockHasTopPadding) {
+          context.report({
+            node,
+            loc: {
+              line: tokenBeforeFirst.loc.start.line,
+              column: tokenBeforeFirst.loc.start.column
+            },
+
+            fix(fixer) {
+              return fixer.replaceTextRange([tokenBeforeFirst.range[1], firstBlockToken.range[0] - firstBlockToken.loc.start.column], "\n");
+            },
+
+            messageId: "neverPadBlock"
+          });
+        }
+
+        if (blockHasBottomPadding) {
+          context.report({
+            node,
+            loc: {
+              line: tokenAfterLast.loc.end.line,
+              column: tokenAfterLast.loc.end.column - 1
+            },
+            messageId: "neverPadBlock",
+
+            fix(fixer) {
+              return fixer.replaceTextRange([lastBlockToken.range[1], tokenAfterLast.range[0] - tokenAfterLast.loc.start.column], "\n");
+            }
+
+          });
+        }
+      }
+    }
+
+    const rule = {};
+
+    if (Object.prototype.hasOwnProperty.call(options, "switches")) {
+      rule.SwitchStatement = function (node) {
+        if (node.cases.length === 0) {
+          return;
+        }
+
+        checkPadding(node);
+      };
+    }
+
+    if (Object.prototype.hasOwnProperty.call(options, "blocks")) {
+      rule.BlockStatement = function (node) {
+        if (node.body.length === 0) {
+          return;
+        }
+
+        checkPadding(node);
+      };
+    }
+
+    if (Object.prototype.hasOwnProperty.call(options, "classes")) {
+      rule.ClassBody = function (node) {
+        if (node.body.length === 0) {
+          return;
+        }
+
+        checkPadding(node);
+      };
+    }
+
+    return rule;
+  }
+
+};
+
+/***/ }),
+/* 672 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require or disallow newlines between statements
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function _templateObject() {
+  const data = _taggedTemplateLiteral(["^(s*?", ")s*", "(s*;?)$"], ["^(\\s*?", ")\\s*", "(\\s*;?)$"]);
+
+  _templateObject = function _templateObject() {
+    return data;
+  };
+
+  return data;
+}
+
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const LT = "[".concat(Array.from(astUtils.LINEBREAKS).join(""), "]");
+const PADDING_LINE_SEQUENCE = new RegExp(String.raw(_templateObject(), LT, LT), "u");
+const CJS_EXPORT = /^(?:module\s*\.\s*)?exports(?:\s*\.|\s*\[|$)/u;
+const CJS_IMPORT = /^require\(/u;
+/**
+ * Creates tester which check if a node starts with specific keyword.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+
+function newKeywordTester(keyword) {
+  return {
+    test: (node, sourceCode) => sourceCode.getFirstToken(node).value === keyword
+  };
+}
+/**
+ * Creates tester which check if a node starts with specific keyword and spans a single line.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+
+
+function newSinglelineKeywordTester(keyword) {
+  return {
+    test: (node, sourceCode) => node.loc.start.line === node.loc.end.line && sourceCode.getFirstToken(node).value === keyword
+  };
+}
+/**
+ * Creates tester which check if a node starts with specific keyword and spans multiple lines.
+ * @param {string} keyword The keyword to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+
+
+function newMultilineKeywordTester(keyword) {
+  return {
+    test: (node, sourceCode) => node.loc.start.line !== node.loc.end.line && sourceCode.getFirstToken(node).value === keyword
+  };
+}
+/**
+ * Creates tester which check if a node is specific type.
+ * @param {string} type The node type to test.
+ * @returns {Object} the created tester.
+ * @private
+ */
+
+
+function newNodeTypeTester(type) {
+  return {
+    test: node => node.type === type
+  };
+}
+/**
+ * Checks the given node is an expression statement of IIFE.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is an expression statement of IIFE.
+ * @private
+ */
+
+
+function isIIFEStatement(node) {
+  if (node.type === "ExpressionStatement") {
+    let call = node.expression;
+
+    if (call.type === "UnaryExpression") {
+      call = call.argument;
+    }
+
+    return call.type === "CallExpression" && astUtils.isFunction(call.callee);
+  }
+
+  return false;
+}
+/**
+ * Checks whether the given node is a block-like statement.
+ * This checks the last token of the node is the closing brace of a block.
+ * @param {SourceCode} sourceCode The source code to get tokens.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is a block-like statement.
+ * @private
+ */
+
+
+function isBlockLikeStatement(sourceCode, node) {
+  // do-while with a block is a block-like statement.
+  if (node.type === "DoWhileStatement" && node.body.type === "BlockStatement") {
+    return true;
+  }
+  /*
+   * IIFE is a block-like statement specially from
+   * JSCS#disallowPaddingNewLinesAfterBlocks.
+   */
+
+
+  if (isIIFEStatement(node)) {
+    return true;
+  } // Checks the last token is a closing brace of blocks.
+
+
+  const lastToken = sourceCode.getLastToken(node, astUtils.isNotSemicolonToken);
+  const belongingNode = lastToken && astUtils.isClosingBraceToken(lastToken) ? sourceCode.getNodeByRangeIndex(lastToken.range[0]) : null;
+  return Boolean(belongingNode) && (belongingNode.type === "BlockStatement" || belongingNode.type === "SwitchStatement");
+}
+/**
+ * Check whether the given node is a directive or not.
+ * @param {ASTNode} node The node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is a directive.
+ */
+
+
+function isDirective(node, sourceCode) {
+  return node.type === "ExpressionStatement" && (node.parent.type === "Program" || node.parent.type === "BlockStatement" && astUtils.isFunction(node.parent.parent)) && node.expression.type === "Literal" && typeof node.expression.value === "string" && !astUtils.isParenthesised(sourceCode, node.expression);
+}
+/**
+ * Check whether the given node is a part of directive prologue or not.
+ * @param {ASTNode} node The node to check.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {boolean} `true` if the node is a part of directive prologue.
+ */
+
+
+function isDirectivePrologue(node, sourceCode) {
+  if (isDirective(node, sourceCode)) {
+    for (const sibling of node.parent.body) {
+      if (sibling === node) {
+        break;
+      }
+
+      if (!isDirective(sibling, sourceCode)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  return false;
+}
+/**
+ * Gets the actual last token.
+ *
+ * If a semicolon is semicolon-less style's semicolon, this ignores it.
+ * For example:
+ *
+ *     foo()
+ *     ;[1, 2, 3].forEach(bar)
+ * @param {SourceCode} sourceCode The source code to get tokens.
+ * @param {ASTNode} node The node to get.
+ * @returns {Token} The actual last token.
+ * @private
+ */
+
+
+function getActualLastToken(sourceCode, node) {
+  const semiToken = sourceCode.getLastToken(node);
+  const prevToken = sourceCode.getTokenBefore(semiToken);
+  const nextToken = sourceCode.getTokenAfter(semiToken);
+  const isSemicolonLessStyle = Boolean(prevToken && nextToken && prevToken.range[0] >= node.range[0] && astUtils.isSemicolonToken(semiToken) && semiToken.loc.start.line !== prevToken.loc.end.line && semiToken.loc.end.line === nextToken.loc.start.line);
+  return isSemicolonLessStyle ? prevToken : semiToken;
+}
+/**
+ * This returns the concatenation of the first 2 captured strings.
+ * @param {string} _ Unused. Whole matched string.
+ * @param {string} trailingSpaces The trailing spaces of the first line.
+ * @param {string} indentSpaces The indentation spaces of the last line.
+ * @returns {string} The concatenation of trailingSpaces and indentSpaces.
+ * @private
+ */
+
+
+function replacerToRemovePaddingLines(_, trailingSpaces, indentSpaces) {
+  return trailingSpaces + indentSpaces;
+}
+/**
+ * Check and report statements for `any` configuration.
+ * It does nothing.
+ * @returns {void}
+ * @private
+ */
+
+
+function verifyForAny() {}
+/**
+ * Check and report statements for `never` configuration.
+ * This autofix removes blank lines between the given 2 statements.
+ * However, if comments exist between 2 blank lines, it does not remove those
+ * blank lines automatically.
+ * @param {RuleContext} context The rule context to report.
+ * @param {ASTNode} _ Unused. The previous node to check.
+ * @param {ASTNode} nextNode The next node to check.
+ * @param {Array<Token[]>} paddingLines The array of token pairs that blank
+ * lines exist between the pair.
+ * @returns {void}
+ * @private
+ */
+
+
+function verifyForNever(context, _, nextNode, paddingLines) {
+  if (paddingLines.length === 0) {
+    return;
+  }
+
+  context.report({
+    node: nextNode,
+    messageId: "unexpectedBlankLine",
+
+    fix(fixer) {
+      if (paddingLines.length >= 2) {
+        return null;
+      }
+
+      const prevToken = paddingLines[0][0];
+      const nextToken = paddingLines[0][1];
+      const start = prevToken.range[1];
+      const end = nextToken.range[0];
+      const text = context.getSourceCode().text.slice(start, end).replace(PADDING_LINE_SEQUENCE, replacerToRemovePaddingLines);
+      return fixer.replaceTextRange([start, end], text);
+    }
+
+  });
+}
+/**
+ * Check and report statements for `always` configuration.
+ * This autofix inserts a blank line between the given 2 statements.
+ * If the `prevNode` has trailing comments, it inserts a blank line after the
+ * trailing comments.
+ * @param {RuleContext} context The rule context to report.
+ * @param {ASTNode} prevNode The previous node to check.
+ * @param {ASTNode} nextNode The next node to check.
+ * @param {Array<Token[]>} paddingLines The array of token pairs that blank
+ * lines exist between the pair.
+ * @returns {void}
+ * @private
+ */
+
+
+function verifyForAlways(context, prevNode, nextNode, paddingLines) {
+  if (paddingLines.length > 0) {
+    return;
+  }
+
+  context.report({
+    node: nextNode,
+    messageId: "expectedBlankLine",
+
+    fix(fixer) {
+      const sourceCode = context.getSourceCode();
+      let prevToken = getActualLastToken(sourceCode, prevNode);
+      const nextToken = sourceCode.getFirstTokenBetween(prevToken, nextNode, {
+        includeComments: true,
+
+        /**
+         * Skip the trailing comments of the previous node.
+         * This inserts a blank line after the last trailing comment.
+         *
+         * For example:
+         *
+         *     foo(); // trailing comment.
+         *     // comment.
+         *     bar();
+         *
+         * Get fixed to:
+         *
+         *     foo(); // trailing comment.
+         *
+         *     // comment.
+         *     bar();
+         * @param {Token} token The token to check.
+         * @returns {boolean} `true` if the token is not a trailing comment.
+         * @private
+         */
+        filter(token) {
+          if (astUtils.isTokenOnSameLine(prevToken, token)) {
+            prevToken = token;
+            return false;
+          }
+
+          return true;
+        }
+
+      }) || nextNode;
+      const insertText = astUtils.isTokenOnSameLine(prevToken, nextToken) ? "\n\n" : "\n";
+      return fixer.insertTextAfter(prevToken, insertText);
+    }
+
+  });
+}
+/**
+ * Types of blank lines.
+ * `any`, `never`, and `always` are defined.
+ * Those have `verify` method to check and report statements.
+ * @private
+ */
+
+
+const PaddingTypes = {
+  any: {
+    verify: verifyForAny
+  },
+  never: {
+    verify: verifyForNever
+  },
+  always: {
+    verify: verifyForAlways
+  }
+};
+/**
+ * Types of statements.
+ * Those have `test` method to check it matches to the given statement.
+ * @private
+ */
+
+const StatementTypes = {
+  "*": {
+    test: () => true
+  },
+  "block-like": {
+    test: (node, sourceCode) => isBlockLikeStatement(sourceCode, node)
+  },
+  "cjs-export": {
+    test: (node, sourceCode) => node.type === "ExpressionStatement" && node.expression.type === "AssignmentExpression" && CJS_EXPORT.test(sourceCode.getText(node.expression.left))
+  },
+  "cjs-import": {
+    test: (node, sourceCode) => node.type === "VariableDeclaration" && node.declarations.length > 0 && Boolean(node.declarations[0].init) && CJS_IMPORT.test(sourceCode.getText(node.declarations[0].init))
+  },
+  directive: {
+    test: isDirectivePrologue
+  },
+  expression: {
+    test: (node, sourceCode) => node.type === "ExpressionStatement" && !isDirectivePrologue(node, sourceCode)
+  },
+  iife: {
+    test: isIIFEStatement
+  },
+  "multiline-block-like": {
+    test: (node, sourceCode) => node.loc.start.line !== node.loc.end.line && isBlockLikeStatement(sourceCode, node)
+  },
+  "multiline-expression": {
+    test: (node, sourceCode) => node.loc.start.line !== node.loc.end.line && node.type === "ExpressionStatement" && !isDirectivePrologue(node, sourceCode)
+  },
+  "multiline-const": newMultilineKeywordTester("const"),
+  "multiline-let": newMultilineKeywordTester("let"),
+  "multiline-var": newMultilineKeywordTester("var"),
+  "singleline-const": newSinglelineKeywordTester("const"),
+  "singleline-let": newSinglelineKeywordTester("let"),
+  "singleline-var": newSinglelineKeywordTester("var"),
+  block: newNodeTypeTester("BlockStatement"),
+  empty: newNodeTypeTester("EmptyStatement"),
+  function: newNodeTypeTester("FunctionDeclaration"),
+  break: newKeywordTester("break"),
+  case: newKeywordTester("case"),
+  class: newKeywordTester("class"),
+  const: newKeywordTester("const"),
+  continue: newKeywordTester("continue"),
+  debugger: newKeywordTester("debugger"),
+  default: newKeywordTester("default"),
+  do: newKeywordTester("do"),
+  export: newKeywordTester("export"),
+  for: newKeywordTester("for"),
+  if: newKeywordTester("if"),
+  import: newKeywordTester("import"),
+  let: newKeywordTester("let"),
+  return: newKeywordTester("return"),
+  switch: newKeywordTester("switch"),
+  throw: newKeywordTester("throw"),
+  try: newKeywordTester("try"),
+  var: newKeywordTester("var"),
+  while: newKeywordTester("while"),
+  with: newKeywordTester("with")
+}; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow padding lines between statements",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/padding-line-between-statements"
+    },
+    fixable: "whitespace",
+    schema: {
+      definitions: {
+        paddingType: {
+          enum: Object.keys(PaddingTypes)
+        },
+        statementType: {
+          anyOf: [{
+            enum: Object.keys(StatementTypes)
+          }, {
+            type: "array",
+            items: {
+              enum: Object.keys(StatementTypes)
+            },
+            minItems: 1,
+            uniqueItems: true,
+            additionalItems: false
+          }]
+        }
+      },
+      type: "array",
+      items: {
+        type: "object",
+        properties: {
+          blankLine: {
+            $ref: "#/definitions/paddingType"
+          },
+          prev: {
+            $ref: "#/definitions/statementType"
+          },
+          next: {
+            $ref: "#/definitions/statementType"
+          }
+        },
+        additionalProperties: false,
+        required: ["blankLine", "prev", "next"]
+      },
+      additionalItems: false
+    },
+    messages: {
+      unexpectedBlankLine: "Unexpected blank line before this statement.",
+      expectedBlankLine: "Expected blank line before this statement."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const configureList = context.options || [];
+    let scopeInfo = null;
+    /**
+     * Processes to enter to new scope.
+     * This manages the current previous statement.
+     * @returns {void}
+     * @private
+     */
+
+    function enterScope() {
+      scopeInfo = {
+        upper: scopeInfo,
+        prevNode: null
+      };
+    }
+    /**
+     * Processes to exit from the current scope.
+     * @returns {void}
+     * @private
+     */
+
+
+    function exitScope() {
+      scopeInfo = scopeInfo.upper;
+    }
+    /**
+     * Checks whether the given node matches the given type.
+     * @param {ASTNode} node The statement node to check.
+     * @param {string|string[]} type The statement type to check.
+     * @returns {boolean} `true` if the statement node matched the type.
+     * @private
+     */
+
+
+    function match(node, type) {
+      let innerStatementNode = node;
+
+      while (innerStatementNode.type === "LabeledStatement") {
+        innerStatementNode = innerStatementNode.body;
+      }
+
+      if (Array.isArray(type)) {
+        return type.some(match.bind(null, innerStatementNode));
+      }
+
+      return StatementTypes[type].test(innerStatementNode, sourceCode);
+    }
+    /**
+     * Finds the last matched configure from configureList.
+     * @param {ASTNode} prevNode The previous statement to match.
+     * @param {ASTNode} nextNode The current statement to match.
+     * @returns {Object} The tester of the last matched configure.
+     * @private
+     */
+
+
+    function getPaddingType(prevNode, nextNode) {
+      for (let i = configureList.length - 1; i >= 0; --i) {
+        const configure = configureList[i];
+        const matched = match(prevNode, configure.prev) && match(nextNode, configure.next);
+
+        if (matched) {
+          return PaddingTypes[configure.blankLine];
+        }
+      }
+
+      return PaddingTypes.any;
+    }
+    /**
+     * Gets padding line sequences between the given 2 statements.
+     * Comments are separators of the padding line sequences.
+     * @param {ASTNode} prevNode The previous statement to count.
+     * @param {ASTNode} nextNode The current statement to count.
+     * @returns {Array<Token[]>} The array of token pairs.
+     * @private
+     */
+
+
+    function getPaddingLineSequences(prevNode, nextNode) {
+      const pairs = [];
+      let prevToken = getActualLastToken(sourceCode, prevNode);
+
+      if (nextNode.loc.start.line - prevToken.loc.end.line >= 2) {
+        do {
+          const token = sourceCode.getTokenAfter(prevToken, {
+            includeComments: true
+          });
+
+          if (token.loc.start.line - prevToken.loc.end.line >= 2) {
+            pairs.push([prevToken, token]);
+          }
+
+          prevToken = token;
+        } while (prevToken.range[0] < nextNode.range[0]);
+      }
+
+      return pairs;
+    }
+    /**
+     * Verify padding lines between the given node and the previous node.
+     * @param {ASTNode} node The node to verify.
+     * @returns {void}
+     * @private
+     */
+
+
+    function verify(node) {
+      const parentType = node.parent.type;
+      const validParent = astUtils.STATEMENT_LIST_PARENTS.has(parentType) || parentType === "SwitchStatement";
+
+      if (!validParent) {
+        return;
+      } // Save this node as the current previous statement.
+
+
+      const prevNode = scopeInfo.prevNode; // Verify.
+
+      if (prevNode) {
+        const type = getPaddingType(prevNode, node);
+        const paddingLines = getPaddingLineSequences(prevNode, node);
+        type.verify(context, prevNode, node, paddingLines);
+      }
+
+      scopeInfo.prevNode = node;
+    }
+    /**
+     * Verify padding lines between the given node and the previous node.
+     * Then process to enter to new scope.
+     * @param {ASTNode} node The node to verify.
+     * @returns {void}
+     * @private
+     */
+
+
+    function verifyThenEnterScope(node) {
+      verify(node);
+      enterScope();
+    }
+
+    return {
+      Program: enterScope,
+      BlockStatement: enterScope,
+      SwitchStatement: enterScope,
+      "Program:exit": exitScope,
+      "BlockStatement:exit": exitScope,
+      "SwitchStatement:exit": exitScope,
+      ":statement": verify,
+      SwitchCase: verifyThenEnterScope,
+      "SwitchCase:exit": exitScope
+    };
+  }
+
+};
+
+/***/ }),
+/* 673 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to suggest using arrow functions as callbacks.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given variable is a function name.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is a function name.
+ */
+
+function isFunctionName(variable) {
+  return variable && variable.defs[0].type === "FunctionName";
+}
+/**
+ * Checks whether or not a given MetaProperty node equals to a given value.
+ * @param {ASTNode} node A MetaProperty node to check.
+ * @param {string} metaName The name of `MetaProperty.meta`.
+ * @param {string} propertyName The name of `MetaProperty.property`.
+ * @returns {boolean} `true` if the node is the specific value.
+ */
+
+
+function checkMetaProperty(node, metaName, propertyName) {
+  return node.meta.name === metaName && node.property.name === propertyName;
+}
+/**
+ * Gets the variable object of `arguments` which is defined implicitly.
+ * @param {eslint-scope.Scope} scope A scope to get.
+ * @returns {eslint-scope.Variable} The found variable object.
+ */
+
+
+function getVariableOfArguments(scope) {
+  const variables = scope.variables;
+
+  for (let i = 0; i < variables.length; ++i) {
+    const variable = variables[i];
+
+    if (variable.name === "arguments") {
+      /*
+       * If there was a parameter which is named "arguments", the
+       * implicit "arguments" is not defined.
+       * So does fast return with null.
+       */
+      return variable.identifiers.length === 0 ? variable : null;
+    }
+  }
+  /* istanbul ignore next */
+
+
+  return null;
+}
+/**
+ * Checks whether or not a given node is a callback.
+ * @param {ASTNode} node A node to check.
+ * @returns {Object}
+ *   {boolean} retv.isCallback - `true` if the node is a callback.
+ *   {boolean} retv.isLexicalThis - `true` if the node is with `.bind(this)`.
+ */
+
+
+function getCallbackInfo(node) {
+  const retv = {
+    isCallback: false,
+    isLexicalThis: false
+  };
+  let currentNode = node;
+  let parent = node.parent;
+
+  while (currentNode) {
+    switch (parent.type) {
+      // Checks parents recursively.
+      case "LogicalExpression":
+      case "ConditionalExpression":
+        break;
+      // Checks whether the parent node is `.bind(this)` call.
+
+      case "MemberExpression":
+        if (parent.object === currentNode && !parent.property.computed && parent.property.type === "Identifier" && parent.property.name === "bind" && parent.parent.type === "CallExpression" && parent.parent.callee === parent) {
+          retv.isLexicalThis = parent.parent.arguments.length === 1 && parent.parent.arguments[0].type === "ThisExpression";
+          parent = parent.parent;
+        } else {
+          return retv;
+        }
+
+        break;
+      // Checks whether the node is a callback.
+
+      case "CallExpression":
+      case "NewExpression":
+        if (parent.callee !== currentNode) {
+          retv.isCallback = true;
+        }
+
+        return retv;
+
+      default:
+        return retv;
+    }
+
+    currentNode = parent;
+    parent = parent.parent;
+  }
+  /* istanbul ignore next */
+
+
+  throw new Error("unreachable");
+}
+/**
+ * Checks whether a simple list of parameters contains any duplicates. This does not handle complex
+ * parameter lists (e.g. with destructuring), since complex parameter lists are a SyntaxError with duplicate
+ * parameter names anyway. Instead, it always returns `false` for complex parameter lists.
+ * @param {ASTNode[]} paramsList The list of parameters for a function
+ * @returns {boolean} `true` if the list of parameters contains any duplicates
+ */
+
+
+function hasDuplicateParams(paramsList) {
+  return paramsList.every(param => param.type === "Identifier") && paramsList.length !== new Set(paramsList.map(param => param.name)).size;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require using arrow functions for callbacks",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-arrow-callback"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        allowNamedFunctions: {
+          type: "boolean",
+          default: false
+        },
+        allowUnboundThis: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      preferArrowCallback: "Unexpected function expression."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const allowUnboundThis = options.allowUnboundThis !== false; // default to true
+
+    const allowNamedFunctions = options.allowNamedFunctions;
+    const sourceCode = context.getSourceCode();
+    /*
+     * {Array<{this: boolean, super: boolean, meta: boolean}>}
+     * - this - A flag which shows there are one or more ThisExpression.
+     * - super - A flag which shows there are one or more Super.
+     * - meta - A flag which shows there are one or more MethProperty.
+     */
+
+    let stack = [];
+    /**
+     * Pushes new function scope with all `false` flags.
+     * @returns {void}
+     */
+
+    function enterScope() {
+      stack.push({
+        this: false,
+        super: false,
+        meta: false
+      });
+    }
+    /**
+     * Pops a function scope from the stack.
+     * @returns {{this: boolean, super: boolean, meta: boolean}} The information of the last scope.
+     */
+
+
+    function exitScope() {
+      return stack.pop();
+    }
+
+    return {
+      // Reset internal state.
+      Program() {
+        stack = [];
+      },
+
+      // If there are below, it cannot replace with arrow functions merely.
+      ThisExpression() {
+        const info = stack[stack.length - 1];
+
+        if (info) {
+          info.this = true;
+        }
+      },
+
+      Super() {
+        const info = stack[stack.length - 1];
+
+        if (info) {
+          info.super = true;
+        }
+      },
+
+      MetaProperty(node) {
+        const info = stack[stack.length - 1];
+
+        if (info && checkMetaProperty(node, "new", "target")) {
+          info.meta = true;
+        }
+      },
+
+      // To skip nested scopes.
+      FunctionDeclaration: enterScope,
+      "FunctionDeclaration:exit": exitScope,
+      // Main.
+      FunctionExpression: enterScope,
+
+      "FunctionExpression:exit"(node) {
+        const scopeInfo = exitScope(); // Skip named function expressions
+
+        if (allowNamedFunctions && node.id && node.id.name) {
+          return;
+        } // Skip generators.
+
+
+        if (node.generator) {
+          return;
+        } // Skip recursive functions.
+
+
+        const nameVar = context.getDeclaredVariables(node)[0];
+
+        if (isFunctionName(nameVar) && nameVar.references.length > 0) {
+          return;
+        } // Skip if it's using arguments.
+
+
+        const variable = getVariableOfArguments(context.getScope());
+
+        if (variable && variable.references.length > 0) {
+          return;
+        } // Reports if it's a callback which can replace with arrows.
+
+
+        const callbackInfo = getCallbackInfo(node);
+
+        if (callbackInfo.isCallback && (!allowUnboundThis || !scopeInfo.this || callbackInfo.isLexicalThis) && !scopeInfo.super && !scopeInfo.meta) {
+          context.report({
+            node,
+            messageId: "preferArrowCallback",
+
+            fix(fixer) {
+              if (!callbackInfo.isLexicalThis && scopeInfo.this || hasDuplicateParams(node.params)) {
+                /*
+                 * If the callback function does not have .bind(this) and contains a reference to `this`, there
+                 * is no way to determine what `this` should be, so don't perform any fixes.
+                 * If the callback function has duplicates in its list of parameters (possible in sloppy mode),
+                 * don't replace it with an arrow function, because this is a SyntaxError with arrow functions.
+                 */
+                return null;
+              }
+
+              const paramsLeftParen = node.params.length ? sourceCode.getTokenBefore(node.params[0]) : sourceCode.getTokenBefore(node.body, 1);
+              const paramsRightParen = sourceCode.getTokenBefore(node.body);
+              const asyncKeyword = node.async ? "async " : "";
+              const paramsFullText = sourceCode.text.slice(paramsLeftParen.range[0], paramsRightParen.range[1]);
+              const arrowFunctionText = "".concat(asyncKeyword).concat(paramsFullText, " => ").concat(sourceCode.getText(node.body));
+              /*
+               * If the callback function has `.bind(this)`, replace it with an arrow function and remove the binding.
+               * Otherwise, just replace the arrow function itself.
+               */
+
+              const replacedNode = callbackInfo.isLexicalThis ? node.parent.parent : node;
+              /*
+               * If the replaced node is part of a BinaryExpression, LogicalExpression, or MemberExpression, then
+               * the arrow function needs to be parenthesized, because `foo || () => {}` is invalid syntax even
+               * though `foo || function() {}` is valid.
+               */
+
+              const needsParens = replacedNode.parent.type !== "CallExpression" && replacedNode.parent.type !== "ConditionalExpression";
+              const replacementText = needsParens ? "(".concat(arrowFunctionText, ")") : arrowFunctionText;
+              return fixer.replaceText(replacedNode, replacementText);
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 674 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to suggest using of const declaration for variables that are never reassigned after declared.
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const PATTERN_TYPE = /^(?:.+?Pattern|RestElement|SpreadProperty|ExperimentalRestProperty|Property)$/u;
+const DECLARATION_HOST_TYPE = /^(?:Program|BlockStatement|SwitchCase)$/u;
+const DESTRUCTURING_HOST_TYPE = /^(?:VariableDeclarator|AssignmentExpression)$/u;
+/**
+ * Checks whether a given node is located at `ForStatement.init` or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is located at `ForStatement.init`.
+ */
+
+function isInitOfForStatement(node) {
+  return node.parent.type === "ForStatement" && node.parent.init === node;
+}
+/**
+ * Checks whether a given Identifier node becomes a VariableDeclaration or not.
+ * @param {ASTNode} identifier An Identifier node to check.
+ * @returns {boolean} `true` if the node can become a VariableDeclaration.
+ */
+
+
+function canBecomeVariableDeclaration(identifier) {
+  let node = identifier.parent;
+
+  while (PATTERN_TYPE.test(node.type)) {
+    node = node.parent;
+  }
+
+  return node.type === "VariableDeclarator" || node.type === "AssignmentExpression" && node.parent.type === "ExpressionStatement" && DECLARATION_HOST_TYPE.test(node.parent.parent.type);
+}
+/**
+ * Checks if an property or element is from outer scope or function parameters
+ * in destructing pattern.
+ * @param {string} name A variable name to be checked.
+ * @param {eslint-scope.Scope} initScope A scope to start find.
+ * @returns {boolean} Indicates if the variable is from outer scope or function parameters.
+ */
+
+
+function isOuterVariableInDestructing(name, initScope) {
+  if (initScope.through.find(ref => ref.resolved && ref.resolved.name === name)) {
+    return true;
+  }
+
+  const variable = astUtils.getVariableByName(initScope, name);
+
+  if (variable !== null) {
+    return variable.defs.some(def => def.type === "Parameter");
+  }
+
+  return false;
+}
+/**
+ * Gets the VariableDeclarator/AssignmentExpression node that a given reference
+ * belongs to.
+ * This is used to detect a mix of reassigned and never reassigned in a
+ * destructuring.
+ * @param {eslint-scope.Reference} reference A reference to get.
+ * @returns {ASTNode|null} A VariableDeclarator/AssignmentExpression node or
+ *      null.
+ */
+
+
+function getDestructuringHost(reference) {
+  if (!reference.isWrite()) {
+    return null;
+  }
+
+  let node = reference.identifier.parent;
+
+  while (PATTERN_TYPE.test(node.type)) {
+    node = node.parent;
+  }
+
+  if (!DESTRUCTURING_HOST_TYPE.test(node.type)) {
+    return null;
+  }
+
+  return node;
+}
+/**
+ * Determines if a destructuring assignment node contains
+ * any MemberExpression nodes. This is used to determine if a
+ * variable that is only written once using destructuring can be
+ * safely converted into a const declaration.
+ * @param {ASTNode} node The ObjectPattern or ArrayPattern node to check.
+ * @returns {boolean} True if the destructuring pattern contains
+ *      a MemberExpression, false if not.
+ */
+
+
+function hasMemberExpressionAssignment(node) {
+  switch (node.type) {
+    case "ObjectPattern":
+      return node.properties.some(prop => {
+        if (prop) {
+          /*
+           * Spread elements have an argument property while
+           * others have a value property. Because different
+           * parsers use different node types for spread elements,
+           * we just check if there is an argument property.
+           */
+          return hasMemberExpressionAssignment(prop.argument || prop.value);
+        }
+
+        return false;
+      });
+
+    case "ArrayPattern":
+      return node.elements.some(element => {
+        if (element) {
+          return hasMemberExpressionAssignment(element);
+        }
+
+        return false;
+      });
+
+    case "AssignmentPattern":
+      return hasMemberExpressionAssignment(node.left);
+
+    case "MemberExpression":
+      return true;
+    // no default
+  }
+
+  return false;
+}
+/**
+ * Gets an identifier node of a given variable.
+ *
+ * If the initialization exists or one or more reading references exist before
+ * the first assignment, the identifier node is the node of the declaration.
+ * Otherwise, the identifier node is the node of the first assignment.
+ *
+ * If the variable should not change to const, this function returns null.
+ * - If the variable is reassigned.
+ * - If the variable is never initialized nor assigned.
+ * - If the variable is initialized in a different scope from the declaration.
+ * - If the unique assignment of the variable cannot change to a declaration.
+ *   e.g. `if (a) b = 1` / `return (b = 1)`
+ * - If the variable is declared in the global scope and `eslintUsed` is `true`.
+ *   `/*exported foo` directive comment makes such variables. This rule does not
+ *   warn such variables because this rule cannot distinguish whether the
+ *   exported variables are reassigned or not.
+ * @param {eslint-scope.Variable} variable A variable to get.
+ * @param {boolean} ignoreReadBeforeAssign
+ *      The value of `ignoreReadBeforeAssign` option.
+ * @returns {ASTNode|null}
+ *      An Identifier node if the variable should change to const.
+ *      Otherwise, null.
+ */
+
+
+function getIdentifierIfShouldBeConst(variable, ignoreReadBeforeAssign) {
+  if (variable.eslintUsed && variable.scope.type === "global") {
+    return null;
+  } // Finds the unique WriteReference.
+
+
+  let writer = null;
+  let isReadBeforeInit = false;
+  const references = variable.references;
+
+  for (let i = 0; i < references.length; ++i) {
+    const reference = references[i];
+
+    if (reference.isWrite()) {
+      const isReassigned = writer !== null && writer.identifier !== reference.identifier;
+
+      if (isReassigned) {
+        return null;
+      }
+
+      const destructuringHost = getDestructuringHost(reference);
+
+      if (destructuringHost !== null && destructuringHost.left !== void 0) {
+        const leftNode = destructuringHost.left;
+        let hasOuterVariables = false,
+            hasNonIdentifiers = false;
+
+        if (leftNode.type === "ObjectPattern") {
+          const properties = leftNode.properties;
+          hasOuterVariables = properties.filter(prop => prop.value).map(prop => prop.value.name).some(name => isOuterVariableInDestructing(name, variable.scope));
+          hasNonIdentifiers = hasMemberExpressionAssignment(leftNode);
+        } else if (leftNode.type === "ArrayPattern") {
+          const elements = leftNode.elements;
+          hasOuterVariables = elements.map(element => element && element.name).some(name => isOuterVariableInDestructing(name, variable.scope));
+          hasNonIdentifiers = hasMemberExpressionAssignment(leftNode);
+        }
+
+        if (hasOuterVariables || hasNonIdentifiers) {
+          return null;
+        }
+      }
+
+      writer = reference;
+    } else if (reference.isRead() && writer === null) {
+      if (ignoreReadBeforeAssign) {
+        return null;
+      }
+
+      isReadBeforeInit = true;
+    }
+  }
+  /*
+   * If the assignment is from a different scope, ignore it.
+   * If the assignment cannot change to a declaration, ignore it.
+   */
+
+
+  const shouldBeConst = writer !== null && writer.from === variable.scope && canBecomeVariableDeclaration(writer.identifier);
+
+  if (!shouldBeConst) {
+    return null;
+  }
+
+  if (isReadBeforeInit) {
+    return variable.defs[0].name;
+  }
+
+  return writer.identifier;
+}
+/**
+ * Groups by the VariableDeclarator/AssignmentExpression node that each
+ * reference of given variables belongs to.
+ * This is used to detect a mix of reassigned and never reassigned in a
+ * destructuring.
+ * @param {eslint-scope.Variable[]} variables Variables to group by destructuring.
+ * @param {boolean} ignoreReadBeforeAssign
+ *      The value of `ignoreReadBeforeAssign` option.
+ * @returns {Map<ASTNode, ASTNode[]>} Grouped identifier nodes.
+ */
+
+
+function groupByDestructuring(variables, ignoreReadBeforeAssign) {
+  const identifierMap = new Map();
+
+  for (let i = 0; i < variables.length; ++i) {
+    const variable = variables[i];
+    const references = variable.references;
+    const identifier = getIdentifierIfShouldBeConst(variable, ignoreReadBeforeAssign);
+    let prevId = null;
+
+    for (let j = 0; j < references.length; ++j) {
+      const reference = references[j];
+      const id = reference.identifier;
+      /*
+       * Avoid counting a reference twice or more for default values of
+       * destructuring.
+       */
+
+      if (id === prevId) {
+        continue;
+      }
+
+      prevId = id; // Add the identifier node into the destructuring group.
+
+      const group = getDestructuringHost(reference);
+
+      if (group) {
+        if (identifierMap.has(group)) {
+          identifierMap.get(group).push(identifier);
+        } else {
+          identifierMap.set(group, [identifier]);
+        }
+      }
+    }
+  }
+
+  return identifierMap;
+}
+/**
+ * Finds the nearest parent of node with a given type.
+ * @param {ASTNode} node The node to search from.
+ * @param {string} type The type field of the parent node.
+ * @param {Function} shouldStop A predicate that returns true if the traversal should stop, and false otherwise.
+ * @returns {ASTNode} The closest ancestor with the specified type; null if no such ancestor exists.
+ */
+
+
+function findUp(node, type, shouldStop) {
+  if (!node || shouldStop(node)) {
+    return null;
+  }
+
+  if (node.type === type) {
+    return node;
+  }
+
+  return findUp(node.parent, type, shouldStop);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `const` declarations for variables that are never reassigned after declared",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-const"
+    },
+    fixable: "code",
+    schema: [{
+      type: "object",
+      properties: {
+        destructuring: {
+          enum: ["any", "all"],
+          default: "any"
+        },
+        ignoreReadBeforeAssign: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      useConst: "'{{name}}' is never reassigned. Use 'const' instead."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {};
+    const sourceCode = context.getSourceCode();
+    const shouldMatchAnyDestructuredVariable = options.destructuring !== "all";
+    const ignoreReadBeforeAssign = options.ignoreReadBeforeAssign === true;
+    const variables = [];
+    let reportCount = 0;
+    let checkedId = null;
+    let checkedName = "";
+    /**
+     * Reports given identifier nodes if all of the nodes should be declared
+     * as const.
+     *
+     * The argument 'nodes' is an array of Identifier nodes.
+     * This node is the result of 'getIdentifierIfShouldBeConst()', so it's
+     * nullable. In simple declaration or assignment cases, the length of
+     * the array is 1. In destructuring cases, the length of the array can
+     * be 2 or more.
+     * @param {(eslint-scope.Reference|null)[]} nodes
+     *      References which are grouped by destructuring to report.
+     * @returns {void}
+     */
+
+    function checkGroup(nodes) {
+      const nodesToReport = nodes.filter(Boolean);
+
+      if (nodes.length && (shouldMatchAnyDestructuredVariable || nodesToReport.length === nodes.length)) {
+        const varDeclParent = findUp(nodes[0], "VariableDeclaration", parentNode => parentNode.type.endsWith("Statement"));
+        const isVarDecParentNull = varDeclParent === null;
+
+        if (!isVarDecParentNull && varDeclParent.declarations.length > 0) {
+          const firstDeclaration = varDeclParent.declarations[0];
+
+          if (firstDeclaration.init) {
+            const firstDecParent = firstDeclaration.init.parent;
+            /*
+             * First we check the declaration type and then depending on
+             * if the type is a "VariableDeclarator" or its an "ObjectPattern"
+             * we compare the name and id from the first identifier, if the names are different
+             * we assign the new name, id and reset the count of reportCount and nodeCount in
+             * order to check each block for the number of reported errors and base our fix
+             * based on comparing nodes.length and nodesToReport.length.
+             */
+
+            if (firstDecParent.type === "VariableDeclarator") {
+              if (firstDecParent.id.name !== checkedName) {
+                checkedName = firstDecParent.id.name;
+                reportCount = 0;
+              }
+
+              if (firstDecParent.id.type === "ObjectPattern") {
+                if (firstDecParent.init.name !== checkedName) {
+                  checkedName = firstDecParent.init.name;
+                  reportCount = 0;
+                }
+              }
+
+              if (firstDecParent.id !== checkedId) {
+                checkedId = firstDecParent.id;
+                reportCount = 0;
+              }
+            }
+          }
+        }
+
+        let shouldFix = varDeclParent && ( // Don't do a fix unless all variables in the declarations are initialized (or it's in a for-in or for-of loop)
+        varDeclParent.parent.type === "ForInStatement" || varDeclParent.parent.type === "ForOfStatement" || varDeclParent.declarations.every(declaration => declaration.init)) &&
+        /*
+         * If options.destructuring is "all", then this warning will not occur unless
+         * every assignment in the destructuring should be const. In that case, it's safe
+         * to apply the fix.
+         */
+        nodesToReport.length === nodes.length;
+
+        if (!isVarDecParentNull && varDeclParent.declarations && varDeclParent.declarations.length !== 1) {
+          if (varDeclParent && varDeclParent.declarations && varDeclParent.declarations.length >= 1) {
+            /*
+             * Add nodesToReport.length to a count, then comparing the count to the length
+             * of the declarations in the current block.
+             */
+            reportCount += nodesToReport.length;
+            shouldFix = shouldFix && reportCount === varDeclParent.declarations.length;
+          }
+        }
+
+        nodesToReport.forEach(node => {
+          context.report({
+            node,
+            messageId: "useConst",
+            data: node,
+            fix: shouldFix ? fixer => fixer.replaceText(sourceCode.getFirstToken(varDeclParent, t => t.value === varDeclParent.kind), "const") : null
+          });
+        });
+      }
+    }
+
+    return {
+      "Program:exit"() {
+        groupByDestructuring(variables, ignoreReadBeforeAssign).forEach(checkGroup);
+      },
+
+      VariableDeclaration(node) {
+        if (node.kind === "let" && !isInitOfForStatement(node)) {
+          variables.push(...context.getDeclaredVariables(node));
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 675 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Prefer destructuring from arrays and objects
+ * @author Alex LaFroscia
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require destructuring from arrays and/or objects",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-destructuring"
+    },
+    fixable: "code",
+    schema: [{
+      /*
+       * old support {array: Boolean, object: Boolean}
+       * new support {VariableDeclarator: {}, AssignmentExpression: {}}
+       */
+      oneOf: [{
+        type: "object",
+        properties: {
+          VariableDeclarator: {
+            type: "object",
+            properties: {
+              array: {
+                type: "boolean"
+              },
+              object: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          },
+          AssignmentExpression: {
+            type: "object",
+            properties: {
+              array: {
+                type: "boolean"
+              },
+              object: {
+                type: "boolean"
+              }
+            },
+            additionalProperties: false
+          }
+        },
+        additionalProperties: false
+      }, {
+        type: "object",
+        properties: {
+          array: {
+            type: "boolean"
+          },
+          object: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }, {
+      type: "object",
+      properties: {
+        enforceForRenamedProperties: {
+          type: "boolean"
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      preferDestructuring: "Use {{type}} destructuring."
+    }
+  },
+
+  create(context) {
+    const enabledTypes = context.options[0];
+    const enforceForRenamedProperties = context.options[1] && context.options[1].enforceForRenamedProperties;
+    let normalizedOptions = {
+      VariableDeclarator: {
+        array: true,
+        object: true
+      },
+      AssignmentExpression: {
+        array: true,
+        object: true
+      }
+    };
+
+    if (enabledTypes) {
+      normalizedOptions = typeof enabledTypes.array !== "undefined" || typeof enabledTypes.object !== "undefined" ? {
+        VariableDeclarator: enabledTypes,
+        AssignmentExpression: enabledTypes
+      } : enabledTypes;
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {string} nodeType "AssignmentExpression" or "VariableDeclarator"
+     * @param {string} destructuringType "array" or "object"
+     * @returns {boolean} `true` if the destructuring type should be checked for the given node
+     */
+
+
+    function shouldCheck(nodeType, destructuringType) {
+      return normalizedOptions && normalizedOptions[nodeType] && normalizedOptions[nodeType][destructuringType];
+    }
+    /**
+     * Determines if the given node is accessing an array index
+     *
+     * This is used to differentiate array index access from object property
+     * access.
+     * @param {ASTNode} node the node to evaluate
+     * @returns {boolean} whether or not the node is an integer
+     */
+
+
+    function isArrayIndexAccess(node) {
+      return Number.isInteger(node.property.value);
+    }
+    /**
+     * Report that the given node should use destructuring
+     * @param {ASTNode} reportNode the node to report
+     * @param {string} type the type of destructuring that should have been done
+     * @param {Function|null} fix the fix function or null to pass to context.report
+     * @returns {void}
+     */
+
+
+    function report(reportNode, type, fix) {
+      context.report({
+        node: reportNode,
+        messageId: "preferDestructuring",
+        data: {
+          type
+        },
+        fix
+      });
+    }
+    /**
+     * Determines if a node should be fixed into object destructuring
+     *
+     * The fixer only fixes the simplest case of object destructuring,
+     * like: `let x = a.x`;
+     *
+     * Assignment expression is not fixed.
+     * Array destructuring is not fixed.
+     * Renamed property is not fixed.
+     * @param {ASTNode} node the the node to evaluate
+     * @returns {boolean} whether or not the node should be fixed
+     */
+
+
+    function shouldFix(node) {
+      return node.type === "VariableDeclarator" && node.id.type === "Identifier" && node.init.type === "MemberExpression" && node.id.name === node.init.property.name;
+    }
+    /**
+     * Fix a node into object destructuring.
+     * This function only handles the simplest case of object destructuring,
+     * see {@link shouldFix}.
+     * @param {SourceCodeFixer} fixer the fixer object
+     * @param {ASTNode} node the node to be fixed.
+     * @returns {Object} a fix for the node
+     */
+
+
+    function fixIntoObjectDestructuring(fixer, node) {
+      const rightNode = node.init;
+      const sourceCode = context.getSourceCode();
+      return fixer.replaceText(node, "{".concat(rightNode.property.name, "} = ").concat(sourceCode.getText(rightNode.object)));
+    }
+    /**
+     * Check that the `prefer-destructuring` rules are followed based on the
+     * given left- and right-hand side of the assignment.
+     *
+     * Pulled out into a separate method so that VariableDeclarators and
+     * AssignmentExpressions can share the same verification logic.
+     * @param {ASTNode} leftNode the left-hand side of the assignment
+     * @param {ASTNode} rightNode the right-hand side of the assignment
+     * @param {ASTNode} reportNode the node to report the error on
+     * @returns {void}
+     */
+
+
+    function performCheck(leftNode, rightNode, reportNode) {
+      if (rightNode.type !== "MemberExpression" || rightNode.object.type === "Super") {
+        return;
+      }
+
+      if (isArrayIndexAccess(rightNode)) {
+        if (shouldCheck(reportNode.type, "array")) {
+          report(reportNode, "array", null);
+        }
+
+        return;
+      }
+
+      const fix = shouldFix(reportNode) ? fixer => fixIntoObjectDestructuring(fixer, reportNode) : null;
+
+      if (shouldCheck(reportNode.type, "object") && enforceForRenamedProperties) {
+        report(reportNode, "object", fix);
+        return;
+      }
+
+      if (shouldCheck(reportNode.type, "object")) {
+        const property = rightNode.property;
+
+        if (property.type === "Literal" && leftNode.name === property.value || property.type === "Identifier" && leftNode.name === property.name && !rightNode.computed) {
+          report(reportNode, "object", fix);
+        }
+      }
+    }
+    /**
+     * Check if a given variable declarator is coming from an property access
+     * that should be using destructuring instead
+     * @param {ASTNode} node the variable declarator to check
+     * @returns {void}
+     */
+
+
+    function checkVariableDeclarator(node) {
+      // Skip if variable is declared without assignment
+      if (!node.init) {
+        return;
+      } // We only care about member expressions past this point
+
+
+      if (node.init.type !== "MemberExpression") {
+        return;
+      }
+
+      performCheck(node.id, node.init, node);
+    }
+    /**
+     * Run the `prefer-destructuring` check on an AssignmentExpression
+     * @param {ASTNode} node the AssignmentExpression node
+     * @returns {void}
+     */
+
+
+    function checkAssigmentExpression(node) {
+      if (node.operator === "=") {
+        performCheck(node.left, node.right, node);
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      VariableDeclarator: checkVariableDeclarator,
+      AssignmentExpression: checkAssigmentExpression
+    };
+  }
+
+};
+
+/***/ }),
+/* 676 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow Math.pow in favor of the ** operator
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const {
+  CALL,
+  ReferenceTracker
+} = __webpack_require__(549); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const PRECEDENCE_OF_EXPONENTIATION_EXPR = astUtils.getPrecedence({
+  type: "BinaryExpression",
+  operator: "**"
+});
+/**
+ * Determines whether the given node needs parens if used as the base in an exponentiation binary expression.
+ * @param {ASTNode} base The node to check.
+ * @returns {boolean} `true` if the node needs to be parenthesised.
+ */
+
+function doesBaseNeedParens(base) {
+  return (// '**' is right-associative, parens are needed when Math.pow(a ** b, c) is converted to (a ** b) ** c
+    astUtils.getPrecedence(base) <= PRECEDENCE_OF_EXPONENTIATION_EXPR || // An unary operator cannot be used immediately before an exponentiation expression
+    base.type === "UnaryExpression"
+  );
+}
+/**
+ * Determines whether the given node needs parens if used as the exponent in an exponentiation binary expression.
+ * @param {ASTNode} exponent The node to check.
+ * @returns {boolean} `true` if the node needs to be parenthesised.
+ */
+
+
+function doesExponentNeedParens(exponent) {
+  // '**' is right-associative, there is no need for parens when Math.pow(a, b ** c) is converted to a ** b ** c
+  return astUtils.getPrecedence(exponent) < PRECEDENCE_OF_EXPONENTIATION_EXPR;
+}
+/**
+ * Determines whether an exponentiation binary expression at the place of the given node would need parens.
+ * @param {ASTNode} node A node that would be replaced by an exponentiation binary expression.
+ * @param {SourceCode} sourceCode A SourceCode object.
+ * @returns {boolean} `true` if the expression needs to be parenthesised.
+ */
+
+
+function doesExponentiationExpressionNeedParens(node, sourceCode) {
+  const parent = node.parent;
+  const needsParens = parent.type === "ClassDeclaration" || parent.type.endsWith("Expression") && astUtils.getPrecedence(parent) >= PRECEDENCE_OF_EXPONENTIATION_EXPR && !(parent.type === "BinaryExpression" && parent.operator === "**" && parent.right === node) && !((parent.type === "CallExpression" || parent.type === "NewExpression") && parent.arguments.includes(node)) && !(parent.type === "MemberExpression" && parent.computed && parent.property === node) && !(parent.type === "ArrayExpression");
+  return needsParens && !astUtils.isParenthesised(sourceCode, node);
+}
+/**
+ * Optionally parenthesizes given text.
+ * @param {string} text The text to parenthesize.
+ * @param {boolean} shouldParenthesize If `true`, the text will be parenthesised.
+ * @returns {string} parenthesised or unchanged text.
+ */
+
+
+function parenthesizeIfShould(text, shouldParenthesize) {
+  return shouldParenthesize ? "(".concat(text, ")") : text;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow the use of `Math.pow` in favor of the `**` operator",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-exponentiation-operator"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      useExponentiation: "Use the '**' operator instead of 'Math.pow'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    /**
+     * Reports the given node.
+     * @param {ASTNode} node 'Math.pow()' node to report.
+     * @returns {void}
+     */
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "useExponentiation",
+
+        fix(fixer) {
+          if (node.arguments.length !== 2 || node.arguments.some(arg => arg.type === "SpreadElement") || sourceCode.getCommentsInside(node).length > 0) {
+            return null;
+          }
+
+          const base = node.arguments[0],
+                exponent = node.arguments[1],
+                baseText = sourceCode.getText(base),
+                exponentText = sourceCode.getText(exponent),
+                shouldParenthesizeBase = doesBaseNeedParens(base),
+                shouldParenthesizeExponent = doesExponentNeedParens(exponent),
+                shouldParenthesizeAll = doesExponentiationExpressionNeedParens(node, sourceCode);
+          let prefix = "",
+              suffix = "";
+
+          if (!shouldParenthesizeAll) {
+            if (!shouldParenthesizeBase) {
+              const firstReplacementToken = sourceCode.getFirstToken(base),
+                    tokenBefore = sourceCode.getTokenBefore(node);
+
+              if (tokenBefore && tokenBefore.range[1] === node.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, firstReplacementToken)) {
+                prefix = " "; // a+Math.pow(++b, c) -> a+ ++b**c
+              }
+            }
+
+            if (!shouldParenthesizeExponent) {
+              const lastReplacementToken = sourceCode.getLastToken(exponent),
+                    tokenAfter = sourceCode.getTokenAfter(node);
+
+              if (tokenAfter && node.range[1] === tokenAfter.range[0] && !astUtils.canTokensBeAdjacent(lastReplacementToken, tokenAfter)) {
+                suffix = " "; // Math.pow(a, b)in c -> a**b in c
+              }
+            }
+          }
+
+          const baseReplacement = parenthesizeIfShould(baseText, shouldParenthesizeBase),
+                exponentReplacement = parenthesizeIfShould(exponentText, shouldParenthesizeExponent),
+                replacement = parenthesizeIfShould("".concat(baseReplacement, "**").concat(exponentReplacement), shouldParenthesizeAll);
+          return fixer.replaceText(node, "".concat(prefix).concat(replacement).concat(suffix));
+        }
+
+      });
+    }
+
+    return {
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const trackMap = {
+          Math: {
+            pow: {
+              [CALL]: true
+            }
+          }
+        };
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(trackMap)) {
+          report(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 677 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce requiring named capture groups in regular expression.
+ * @author Pig Fang <https://github.com/g-plane>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker,
+  getStringIfConstant
+} = __webpack_require__(549);
+
+const regexpp = __webpack_require__(527); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const parser = new regexpp.RegExpParser(); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce using named capture group in regular expression",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-named-capture-group"
+    },
+    schema: [],
+    messages: {
+      required: "Capture group '{{group}}' should be converted to a named or non-capturing group."
+    }
+  },
+
+  create(context) {
+    /**
+     * Function to check regular expression.
+     * @param {string} pattern The regular expression pattern to be check.
+     * @param {ASTNode} node AST node which contains regular expression.
+     * @param {boolean} uFlag Flag indicates whether unicode mode is enabled or not.
+     * @returns {void}
+     */
+    function checkRegex(pattern, node, uFlag) {
+      let ast;
+
+      try {
+        ast = parser.parsePattern(pattern, 0, pattern.length, uFlag);
+      } catch (_) {
+        // ignore regex syntax errors
+        return;
+      }
+
+      regexpp.visitRegExpAST(ast, {
+        onCapturingGroupEnter(group) {
+          if (!group.name) {
+            context.report({
+              node,
+              messageId: "required",
+              data: {
+                group: group.raw
+              }
+            });
+          }
+        }
+
+      });
+    }
+
+    return {
+      Literal(node) {
+        if (node.regex) {
+          checkRegex(node.regex.pattern, node, node.regex.flags.includes("u"));
+        }
+      },
+
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const traceMap = {
+          RegExp: {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          }
+        };
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(traceMap)) {
+          const regex = getStringIfConstant(node.arguments[0]);
+          const flags = getStringIfConstant(node.arguments[1]);
+
+          if (regex) {
+            checkRegex(regex, node, flags && flags.includes("u"));
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 678 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow `parseInt()` in favor of binary, octal, and hexadecimal literals
+ * @author Annie Zhang, Henry Zhu
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const radixMap = new Map([[2, {
+  system: "binary",
+  literalPrefix: "0b"
+}], [8, {
+  system: "octal",
+  literalPrefix: "0o"
+}], [16, {
+  system: "hexadecimal",
+  literalPrefix: "0x"
+}]]);
+/**
+ * Checks to see if a CallExpression's callee node is `parseInt` or
+ * `Number.parseInt`.
+ * @param {ASTNode} calleeNode The callee node to evaluate.
+ * @returns {boolean} True if the callee is `parseInt` or `Number.parseInt`,
+ * false otherwise.
+ */
+
+function isParseInt(calleeNode) {
+  switch (calleeNode.type) {
+    case "Identifier":
+      return calleeNode.name === "parseInt";
+
+    case "MemberExpression":
+      return calleeNode.object.type === "Identifier" && calleeNode.object.name === "Number" && calleeNode.property.type === "Identifier" && calleeNode.property.name === "parseInt";
+    // no default
+  }
+
+  return false;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-numeric-literals"
+    },
+    schema: [],
+    messages: {
+      useLiteral: "Use {{system}} literals instead of {{functionName}}()."
+    },
+    fixable: "code"
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+    return {
+      "CallExpression[arguments.length=2]"(node) {
+        const [strNode, radixNode] = node.arguments,
+              str = astUtils.getStaticStringValue(strNode),
+              radix = radixNode.value;
+
+        if (str !== null && astUtils.isStringLiteral(strNode) && radixNode.type === "Literal" && typeof radix === "number" && radixMap.has(radix) && isParseInt(node.callee)) {
+          const {
+            system,
+            literalPrefix
+          } = radixMap.get(radix);
+          context.report({
+            node,
+            messageId: "useLiteral",
+            data: {
+              system,
+              functionName: sourceCode.getText(node.callee)
+            },
+
+            fix(fixer) {
+              if (sourceCode.getCommentsInside(node).length) {
+                return null;
+              }
+
+              const replacement = "".concat(literalPrefix).concat(str);
+
+              if (+replacement !== parseInt(str, radix)) {
+                /*
+                 * If the newly-produced literal would be invalid, (e.g. 0b1234),
+                 * or it would yield an incorrect parseInt result for some other reason, don't make a fix.
+                 */
+                return null;
+              }
+
+              const tokenBefore = sourceCode.getTokenBefore(node),
+                    tokenAfter = sourceCode.getTokenAfter(node);
+              let prefix = "",
+                  suffix = "";
+
+              if (tokenBefore && tokenBefore.range[1] === node.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, replacement)) {
+                prefix = " ";
+              }
+
+              if (tokenAfter && node.range[1] === tokenAfter.range[0] && !astUtils.canTokensBeAdjacent(replacement, tokenAfter)) {
+                suffix = " ";
+              }
+
+              return fixer.replaceText(node, "".concat(prefix).concat(replacement).concat(suffix));
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 679 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Prefers object spread property over Object.assign
+ * @author Sharmila Jesupaul
+ * See LICENSE file in root directory for full license.
+ */
+
+
+const {
+  CALL,
+  ReferenceTracker
+} = __webpack_require__(549);
+
+const {
+  isCommaToken,
+  isOpeningParenToken,
+  isClosingParenToken,
+  isParenthesised
+} = __webpack_require__(426);
+
+const ANY_SPACE = /\s/u;
+/**
+ * Helper that checks if the Object.assign call has array spread
+ * @param {ASTNode} node The node that the rule warns on
+ * @returns {boolean} - Returns true if the Object.assign call has array spread
+ */
+
+function hasArraySpread(node) {
+  return node.arguments.some(arg => arg.type === "SpreadElement");
+}
+/**
+ * Determines whether the given node is an accessor property (getter/setter).
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} `true` if the node is a getter or a setter.
+ */
+
+
+function isAccessorProperty(node) {
+  return node.type === "Property" && (node.kind === "get" || node.kind === "set");
+}
+/**
+ * Determines whether the given object expression node has accessor properties (getters/setters).
+ * @param {ASTNode} node `ObjectExpression` node to check.
+ * @returns {boolean} `true` if the node has at least one getter/setter.
+ */
+
+
+function hasAccessors(node) {
+  return node.properties.some(isAccessorProperty);
+}
+/**
+ * Determines whether the given call expression node has object expression arguments with accessor properties (getters/setters).
+ * @param {ASTNode} node `CallExpression` node to check.
+ * @returns {boolean} `true` if the node has at least one argument that is an object expression with at least one getter/setter.
+ */
+
+
+function hasArgumentsWithAccessors(node) {
+  return node.arguments.filter(arg => arg.type === "ObjectExpression").some(hasAccessors);
+}
+/**
+ * Helper that checks if the node needs parentheses to be valid JS.
+ * The default is to wrap the node in parentheses to avoid parsing errors.
+ * @param {ASTNode} node The node that the rule warns on
+ * @param {Object} sourceCode in context sourcecode object
+ * @returns {boolean} - Returns true if the node needs parentheses
+ */
+
+
+function needsParens(node, sourceCode) {
+  const parent = node.parent;
+
+  switch (parent.type) {
+    case "VariableDeclarator":
+    case "ArrayExpression":
+    case "ReturnStatement":
+    case "CallExpression":
+    case "Property":
+      return false;
+
+    case "AssignmentExpression":
+      return parent.left === node && !isParenthesised(sourceCode, node);
+
+    default:
+      return !isParenthesised(sourceCode, node);
+  }
+}
+/**
+ * Determines if an argument needs parentheses. The default is to not add parens.
+ * @param {ASTNode} node The node to be checked.
+ * @param {Object} sourceCode in context sourcecode object
+ * @returns {boolean} True if the node needs parentheses
+ */
+
+
+function argNeedsParens(node, sourceCode) {
+  switch (node.type) {
+    case "AssignmentExpression":
+    case "ArrowFunctionExpression":
+    case "ConditionalExpression":
+      return !isParenthesised(sourceCode, node);
+
+    default:
+      return false;
+  }
+}
+/**
+ * Get the parenthesis tokens of a given ObjectExpression node.
+ * This includes the braces of the object literal and enclosing parentheses.
+ * @param {ASTNode} node The node to get.
+ * @param {Token} leftArgumentListParen The opening paren token of the argument list.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {Token[]} The parenthesis tokens of the node. This is sorted by the location.
+ */
+
+
+function getParenTokens(node, leftArgumentListParen, sourceCode) {
+  const parens = [sourceCode.getFirstToken(node), sourceCode.getLastToken(node)];
+  let leftNext = sourceCode.getTokenBefore(node);
+  let rightNext = sourceCode.getTokenAfter(node); // Note: don't include the parens of the argument list.
+
+  while (leftNext && rightNext && leftNext.range[0] > leftArgumentListParen.range[0] && isOpeningParenToken(leftNext) && isClosingParenToken(rightNext)) {
+    parens.push(leftNext, rightNext);
+    leftNext = sourceCode.getTokenBefore(leftNext);
+    rightNext = sourceCode.getTokenAfter(rightNext);
+  }
+
+  return parens.sort((a, b) => a.range[0] - b.range[0]);
+}
+/**
+ * Get the range of a given token and around whitespaces.
+ * @param {Token} token The token to get range.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {number} The end of the range of the token and around whitespaces.
+ */
+
+
+function getStartWithSpaces(token, sourceCode) {
+  const text = sourceCode.text;
+  let start = token.range[0]; // If the previous token is a line comment then skip this step to avoid commenting this token out.
+
+  {
+    const prevToken = sourceCode.getTokenBefore(token, {
+      includeComments: true
+    });
+
+    if (prevToken && prevToken.type === "Line") {
+      return start;
+    }
+  } // Detect spaces before the token.
+
+  while (ANY_SPACE.test(text[start - 1] || "")) {
+    start -= 1;
+  }
+
+  return start;
+}
+/**
+ * Get the range of a given token and around whitespaces.
+ * @param {Token} token The token to get range.
+ * @param {SourceCode} sourceCode The source code object to get tokens.
+ * @returns {number} The start of the range of the token and around whitespaces.
+ */
+
+
+function getEndWithSpaces(token, sourceCode) {
+  const text = sourceCode.text;
+  let end = token.range[1]; // Detect spaces after the token.
+
+  while (ANY_SPACE.test(text[end] || "")) {
+    end += 1;
+  }
+
+  return end;
+}
+/**
+ * Autofixes the Object.assign call to use an object spread instead.
+ * @param {ASTNode|null} node The node that the rule warns on, i.e. the Object.assign call
+ * @param {string} sourceCode sourceCode of the Object.assign call
+ * @returns {Function} autofixer - replaces the Object.assign with a spread object.
+ */
+
+
+function defineFixer(node, sourceCode) {
+  return function* (fixer) {
+    const leftParen = sourceCode.getTokenAfter(node.callee, isOpeningParenToken);
+    const rightParen = sourceCode.getLastToken(node); // Remove everything before the opening paren: callee `Object.assign`, type arguments, and whitespace between the callee and the paren.
+
+    yield fixer.removeRange([node.range[0], leftParen.range[0]]); // Replace the parens of argument list to braces.
+
+    if (needsParens(node, sourceCode)) {
+      yield fixer.replaceText(leftParen, "({");
+      yield fixer.replaceText(rightParen, "})");
+    } else {
+      yield fixer.replaceText(leftParen, "{");
+      yield fixer.replaceText(rightParen, "}");
+    } // Process arguments.
+
+
+    for (const argNode of node.arguments) {
+      const innerParens = getParenTokens(argNode, leftParen, sourceCode);
+      const left = innerParens.shift();
+      const right = innerParens.pop();
+
+      if (argNode.type === "ObjectExpression") {
+        const maybeTrailingComma = sourceCode.getLastToken(argNode, 1);
+        const maybeArgumentComma = sourceCode.getTokenAfter(right);
+        /*
+         * Make bare this object literal.
+         * And remove spaces inside of the braces for better formatting.
+         */
+
+        for (const innerParen of innerParens) {
+          yield fixer.remove(innerParen);
+        }
+
+        const leftRange = [left.range[0], getEndWithSpaces(left, sourceCode)];
+        const rightRange = [Math.max(getStartWithSpaces(right, sourceCode), leftRange[1]), // Ensure ranges don't overlap
+        right.range[1]];
+        yield fixer.removeRange(leftRange);
+        yield fixer.removeRange(rightRange); // Remove the comma of this argument if it's duplication.
+
+        if ((argNode.properties.length === 0 || isCommaToken(maybeTrailingComma)) && isCommaToken(maybeArgumentComma)) {
+          yield fixer.remove(maybeArgumentComma);
+        }
+      } else {
+        // Make spread.
+        if (argNeedsParens(argNode, sourceCode)) {
+          yield fixer.insertTextBefore(left, "...(");
+          yield fixer.insertTextAfter(right, ")");
+        } else {
+          yield fixer.insertTextBefore(left, "...");
+        }
+      }
+    }
+  };
+}
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow using Object.assign with an object literal as the first argument and prefer the use of object spread instead.",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-object-spread"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      useSpreadMessage: "Use an object spread instead of `Object.assign` eg: `{ ...foo }`.",
+      useLiteralMessage: "Use an object literal instead of `Object.assign`. eg: `{ foo: bar }`."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const trackMap = {
+          Object: {
+            assign: {
+              [CALL]: true
+            }
+          }
+        }; // Iterate all calls of `Object.assign` (only of the global variable `Object`).
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(trackMap)) {
+          if (node.arguments.length >= 1 && node.arguments[0].type === "ObjectExpression" && !hasArraySpread(node) && !(node.arguments.length > 1 && hasArgumentsWithAccessors(node))) {
+            const messageId = node.arguments.length === 1 ? "useLiteralMessage" : "useSpreadMessage";
+            const fix = defineFixer(node, sourceCode);
+            context.report({
+              node,
+              messageId,
+              fix
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 680 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview restrict values that can be used as Promise rejection reasons
+ * @author Teddy Katz
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require using Error objects as Promise rejection reasons",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-promise-reject-errors"
+    },
+    fixable: null,
+    schema: [{
+      type: "object",
+      properties: {
+        allowEmptyReject: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      rejectAnError: "Expected the Promise rejection reason to be an Error."
+    }
+  },
+
+  create(context) {
+    const ALLOW_EMPTY_REJECT = context.options.length && context.options[0].allowEmptyReject; //----------------------------------------------------------------------
+    // Helpers
+    //----------------------------------------------------------------------
+
+    /**
+     * Checks the argument of a reject() or Promise.reject() CallExpression, and reports it if it can't be an Error
+     * @param {ASTNode} callExpression A CallExpression node which is used to reject a Promise
+     * @returns {void}
+     */
+
+    function checkRejectCall(callExpression) {
+      if (!callExpression.arguments.length && ALLOW_EMPTY_REJECT) {
+        return;
+      }
+
+      if (!callExpression.arguments.length || !astUtils.couldBeError(callExpression.arguments[0]) || callExpression.arguments[0].type === "Identifier" && callExpression.arguments[0].name === "undefined") {
+        context.report({
+          node: callExpression,
+          messageId: "rejectAnError"
+        });
+      }
+    }
+    /**
+     * Determines whether a function call is a Promise.reject() call
+     * @param {ASTNode} node A CallExpression node
+     * @returns {boolean} `true` if the call is a Promise.reject() call
+     */
+
+
+    function isPromiseRejectCall(node) {
+      return node.callee.type === "MemberExpression" && node.callee.object.type === "Identifier" && node.callee.object.name === "Promise" && node.callee.property.type === "Identifier" && node.callee.property.name === "reject";
+    } //----------------------------------------------------------------------
+    // Public
+    //----------------------------------------------------------------------
+
+
+    return {
+      // Check `Promise.reject(value)` calls.
+      CallExpression(node) {
+        if (isPromiseRejectCall(node)) {
+          checkRejectCall(node);
+        }
+      },
+
+      /*
+       * Check for `new Promise((resolve, reject) => {})`, and check for reject() calls.
+       * This function is run on "NewExpression:exit" instead of "NewExpression" to ensure that
+       * the nodes in the expression already have the `parent` property.
+       */
+      "NewExpression:exit"(node) {
+        if (node.callee.type === "Identifier" && node.callee.name === "Promise" && node.arguments.length && astUtils.isFunction(node.arguments[0]) && node.arguments[0].params.length > 1 && node.arguments[0].params[1].type === "Identifier") {
+          context.getDeclaredVariables(node.arguments[0])
+          /*
+           * Find the first variable that matches the second parameter's name.
+           * If the first parameter has the same name as the second parameter, then the variable will actually
+           * be "declared" when the first parameter is evaluated, but then it will be immediately overwritten
+           * by the second parameter. It's not possible for an expression with the variable to be evaluated before
+           * the variable is overwritten, because functions with duplicate parameters cannot have destructuring or
+           * default assignments in their parameter lists. Therefore, it's not necessary to explicitly account for
+           * this case.
+           */
+          .find(variable => variable.name === node.arguments[0].params[1].name) // Get the references to that variable.
+          .references // Only check the references that read the parameter's value.
+          .filter(ref => ref.isRead()) // Only check the references that are used as the callee in a function call, e.g. `reject(foo)`.
+          .filter(ref => ref.identifier.parent.type === "CallExpression" && ref.identifier === ref.identifier.parent.callee) // Check the argument of the function call to determine whether it's an Error.
+          .forEach(ref => checkRejectCall(ref.identifier.parent));
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 681 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to suggest using "Reflect" api over Function/Object methods
+ * @author Keith Cirkel <http://keithcirkel.co.uk>
+ * @deprecated in ESLint v3.9.0
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `Reflect` methods where applicable",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-reflect"
+    },
+    deprecated: true,
+    replacedBy: [],
+    schema: [{
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            enum: ["apply", "call", "delete", "defineProperty", "getOwnPropertyDescriptor", "getPrototypeOf", "setPrototypeOf", "isExtensible", "getOwnPropertyNames", "preventExtensions"]
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      preferReflect: "Avoid using {{existing}}, instead use {{substitute}}."
+    }
+  },
+
+  create(context) {
+    const existingNames = {
+      apply: "Function.prototype.apply",
+      call: "Function.prototype.call",
+      defineProperty: "Object.defineProperty",
+      getOwnPropertyDescriptor: "Object.getOwnPropertyDescriptor",
+      getPrototypeOf: "Object.getPrototypeOf",
+      setPrototypeOf: "Object.setPrototypeOf",
+      isExtensible: "Object.isExtensible",
+      getOwnPropertyNames: "Object.getOwnPropertyNames",
+      preventExtensions: "Object.preventExtensions"
+    };
+    const reflectSubstitutes = {
+      apply: "Reflect.apply",
+      call: "Reflect.apply",
+      defineProperty: "Reflect.defineProperty",
+      getOwnPropertyDescriptor: "Reflect.getOwnPropertyDescriptor",
+      getPrototypeOf: "Reflect.getPrototypeOf",
+      setPrototypeOf: "Reflect.setPrototypeOf",
+      isExtensible: "Reflect.isExtensible",
+      getOwnPropertyNames: "Reflect.getOwnPropertyNames",
+      preventExtensions: "Reflect.preventExtensions"
+    };
+    const exceptions = (context.options[0] || {}).exceptions || [];
+    /**
+     * Reports the Reflect violation based on the `existing` and `substitute`
+     * @param {Object} node The node that violates the rule.
+     * @param {string} existing The existing method name that has been used.
+     * @param {string} substitute The Reflect substitute that should be used.
+     * @returns {void}
+     */
+
+    function report(node, existing, substitute) {
+      context.report({
+        node,
+        messageId: "preferReflect",
+        data: {
+          existing,
+          substitute
+        }
+      });
+    }
+
+    return {
+      CallExpression(node) {
+        const methodName = (node.callee.property || {}).name;
+        const isReflectCall = (node.callee.object || {}).name === "Reflect";
+        const hasReflectSubsitute = Object.prototype.hasOwnProperty.call(reflectSubstitutes, methodName);
+        const userConfiguredException = exceptions.indexOf(methodName) !== -1;
+
+        if (hasReflectSubsitute && !isReflectCall && !userConfiguredException) {
+          report(node, existingNames[methodName], reflectSubstitutes[methodName]);
+        }
+      },
+
+      UnaryExpression(node) {
+        const isDeleteOperator = node.operator === "delete";
+        const targetsIdentifier = node.argument.type === "Identifier";
+        const userConfiguredException = exceptions.indexOf("delete") !== -1;
+
+        if (isDeleteOperator && !targetsIdentifier && !userConfiguredException) {
+          report(node, "the delete keyword", "Reflect.deleteProperty");
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 682 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow use of the `RegExp` constructor in favor of regular expression literals
+ * @author Milos Djermanovic
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker,
+  findVariable
+} = __webpack_require__(549); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines whether the given node is a string literal.
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} True if the node is a string literal.
+ */
+
+
+function isStringLiteral(node) {
+  return node.type === "Literal" && typeof node.value === "string";
+}
+/**
+ * Determines whether the given node is a template literal without expressions.
+ * @param {ASTNode} node Node to check.
+ * @returns {boolean} True if the node is a template literal without expressions.
+ */
+
+
+function isStaticTemplateLiteral(node) {
+  return node.type === "TemplateLiteral" && node.expressions.length === 0;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow use of the `RegExp` constructor in favor of regular expression literals",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-regex-literals"
+    },
+    schema: [],
+    messages: {
+      unexpectedRegExp: "Use a regular expression literal instead of the 'RegExp' constructor."
+    }
+  },
+
+  create(context) {
+    /**
+     * Determines whether the given identifier node is a reference to a global variable.
+     * @param {ASTNode} node `Identifier` node to check.
+     * @returns {boolean} True if the identifier is a reference to a global variable.
+     */
+    function isGlobalReference(node) {
+      const scope = context.getScope();
+      const variable = findVariable(scope, node);
+      return variable !== null && variable.scope.type === "global" && variable.defs.length === 0;
+    }
+    /**
+     * Determines whether the given node is a String.raw`` tagged template expression
+     * with a static template literal.
+     * @param {ASTNode} node Node to check.
+     * @returns {boolean} True if the node is String.raw`` with a static template.
+     */
+
+
+    function isStringRawTaggedStaticTemplateLiteral(node) {
+      return node.type === "TaggedTemplateExpression" && node.tag.type === "MemberExpression" && node.tag.object.type === "Identifier" && node.tag.object.name === "String" && isGlobalReference(node.tag.object) && astUtils.getStaticPropertyName(node.tag) === "raw" && isStaticTemplateLiteral(node.quasi);
+    }
+    /**
+     * Determines whether the given node is considered to be a static string by the logic of this rule.
+     * @param {ASTNode} node Node to check.
+     * @returns {boolean} True if the node is a static string.
+     */
+
+
+    function isStaticString(node) {
+      return isStringLiteral(node) || isStaticTemplateLiteral(node) || isStringRawTaggedStaticTemplateLiteral(node);
+    }
+
+    return {
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const traceMap = {
+          RegExp: {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          }
+        };
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(traceMap)) {
+          const args = node.arguments;
+
+          if ((args.length === 1 || args.length === 2) && args.every(isStaticString)) {
+            context.report({
+              node,
+              messageId: "unexpectedRegExp"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 683 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the variable object of `arguments` which is defined implicitly.
+ * @param {eslint-scope.Scope} scope A scope to get.
+ * @returns {eslint-scope.Variable} The found variable object.
+ */
+
+function getVariableOfArguments(scope) {
+  const variables = scope.variables;
+
+  for (let i = 0; i < variables.length; ++i) {
+    const variable = variables[i];
+
+    if (variable.name === "arguments") {
+      /*
+       * If there was a parameter which is named "arguments", the implicit "arguments" is not defined.
+       * So does fast return with null.
+       */
+      return variable.identifiers.length === 0 ? variable : null;
+    }
+  }
+  /* istanbul ignore next : unreachable */
+
+
+  return null;
+}
+/**
+ * Checks if the given reference is not normal member access.
+ *
+ * - arguments         .... true    // not member access
+ * - arguments[i]      .... true    // computed member access
+ * - arguments[0]      .... true    // computed member access
+ * - arguments.length  .... false   // normal member access
+ * @param {eslint-scope.Reference} reference The reference to check.
+ * @returns {boolean} `true` if the reference is not normal member access.
+ */
+
+
+function isNotNormalMemberAccess(reference) {
+  const id = reference.identifier;
+  const parent = id.parent;
+  return !(parent.type === "MemberExpression" && parent.object === id && !parent.computed);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require rest parameters instead of `arguments`",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-rest-params"
+    },
+    schema: [],
+    messages: {
+      preferRestParams: "Use the rest parameters instead of 'arguments'."
+    }
+  },
+
+  create(context) {
+    /**
+     * Reports a given reference.
+     * @param {eslint-scope.Reference} reference A reference to report.
+     * @returns {void}
+     */
+    function report(reference) {
+      context.report({
+        node: reference.identifier,
+        loc: reference.identifier.loc,
+        messageId: "preferRestParams"
+      });
+    }
+    /**
+     * Reports references of the implicit `arguments` variable if exist.
+     * @returns {void}
+     */
+
+
+    function checkForArguments() {
+      const argumentsVar = getVariableOfArguments(context.getScope());
+
+      if (argumentsVar) {
+        argumentsVar.references.filter(isNotNormalMemberAccess).forEach(report);
+      }
+    }
+
+    return {
+      "FunctionDeclaration:exit": checkForArguments,
+      "FunctionExpression:exit": checkForArguments
+    };
+  }
+
+};
+
+/***/ }),
+/* 684 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to suggest using of the spread operator instead of `.apply()`.
+ * @author Toru Nagashima
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a node is a `.apply()` for variadic.
+ * @param {ASTNode} node A CallExpression node to check.
+ * @returns {boolean} Whether or not the node is a `.apply()` for variadic.
+ */
+
+
+function isVariadicApplyCalling(node) {
+  return node.callee.type === "MemberExpression" && node.callee.property.type === "Identifier" && node.callee.property.name === "apply" && node.callee.computed === false && node.arguments.length === 2 && node.arguments[1].type !== "ArrayExpression" && node.arguments[1].type !== "SpreadElement";
+}
+/**
+ * Checks whether or not `thisArg` is not changed by `.apply()`.
+ * @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
+ * @param {ASTNode} thisArg The node that is given to the first argument of the `.apply()`.
+ * @param {RuleContext} context The ESLint rule context object.
+ * @returns {boolean} Whether or not `thisArg` is not changed by `.apply()`.
+ */
+
+
+function isValidThisArg(expectedThis, thisArg, context) {
+  if (!expectedThis) {
+    return astUtils.isNullOrUndefined(thisArg);
+  }
+
+  return astUtils.equalTokens(expectedThis, thisArg, context);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require spread operators instead of `.apply()`",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-spread"
+    },
+    schema: [],
+    fixable: null,
+    messages: {
+      preferSpread: "Use the spread operator instead of '.apply()'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      CallExpression(node) {
+        if (!isVariadicApplyCalling(node)) {
+          return;
+        }
+
+        const applied = node.callee.object;
+        const expectedThis = applied.type === "MemberExpression" ? applied.object : null;
+        const thisArg = node.arguments[0];
+
+        if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
+          context.report({
+            node,
+            messageId: "preferSpread"
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 685 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to suggest using template literals instead of string concatenation.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a concatenation.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a concatenation.
+ */
+
+
+function isConcatenation(node) {
+  return node.type === "BinaryExpression" && node.operator === "+";
+}
+/**
+ * Gets the top binary expression node for concatenation in parents of a given node.
+ * @param {ASTNode} node A node to get.
+ * @returns {ASTNode} the top binary expression node in parents of a given node.
+ */
+
+
+function getTopConcatBinaryExpression(node) {
+  let currentNode = node;
+
+  while (isConcatenation(currentNode.parent)) {
+    currentNode = currentNode.parent;
+  }
+
+  return currentNode;
+}
+/**
+ * Determines whether a given node is a octal escape sequence
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node is an octal escape sequence
+ */
+
+
+function isOctalEscapeSequence(node) {
+  // No need to check TemplateLiterals – would throw error with octal escape
+  const isStringLiteral = node.type === "Literal" && typeof node.value === "string";
+
+  if (!isStringLiteral) {
+    return false;
+  }
+
+  return astUtils.hasOctalEscapeSequence(node.raw);
+}
+/**
+ * Checks whether or not a node contains a octal escape sequence
+ * @param {ASTNode} node A node to check
+ * @returns {boolean} `true` if the node contains an octal escape sequence
+ */
+
+
+function hasOctalEscapeSequence(node) {
+  if (isConcatenation(node)) {
+    return hasOctalEscapeSequence(node.left) || hasOctalEscapeSequence(node.right);
+  }
+
+  return isOctalEscapeSequence(node);
+}
+/**
+ * Checks whether or not a given binary expression has string literals.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node has string literals.
+ */
+
+
+function hasStringLiteral(node) {
+  if (isConcatenation(node)) {
+    // `left` is deeper than `right` normally.
+    return hasStringLiteral(node.right) || hasStringLiteral(node.left);
+  }
+
+  return astUtils.isStringLiteral(node);
+}
+/**
+ * Checks whether or not a given binary expression has non string literals.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node has non string literals.
+ */
+
+
+function hasNonStringLiteral(node) {
+  if (isConcatenation(node)) {
+    // `left` is deeper than `right` normally.
+    return hasNonStringLiteral(node.right) || hasNonStringLiteral(node.left);
+  }
+
+  return !astUtils.isStringLiteral(node);
+}
+/**
+ * Determines whether a given node will start with a template curly expression (`${}`) when being converted to a template literal.
+ * @param {ASTNode} node The node that will be fixed to a template literal
+ * @returns {boolean} `true` if the node will start with a template curly.
+ */
+
+
+function startsWithTemplateCurly(node) {
+  if (node.type === "BinaryExpression") {
+    return startsWithTemplateCurly(node.left);
+  }
+
+  if (node.type === "TemplateLiteral") {
+    return node.expressions.length && node.quasis.length && node.quasis[0].range[0] === node.quasis[0].range[1];
+  }
+
+  return node.type !== "Literal" || typeof node.value !== "string";
+}
+/**
+ * Determines whether a given node end with a template curly expression (`${}`) when being converted to a template literal.
+ * @param {ASTNode} node The node that will be fixed to a template literal
+ * @returns {boolean} `true` if the node will end with a template curly.
+ */
+
+
+function endsWithTemplateCurly(node) {
+  if (node.type === "BinaryExpression") {
+    return startsWithTemplateCurly(node.right);
+  }
+
+  if (node.type === "TemplateLiteral") {
+    return node.expressions.length && node.quasis.length && node.quasis[node.quasis.length - 1].range[0] === node.quasis[node.quasis.length - 1].range[1];
+  }
+
+  return node.type !== "Literal" || typeof node.value !== "string";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require template literals instead of string concatenation",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/prefer-template"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      unexpectedStringConcatenation: "Unexpected string concatenation."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let done = Object.create(null);
+    /**
+     * Gets the non-token text between two nodes, ignoring any other tokens that appear between the two tokens.
+     * @param {ASTNode} node1 The first node
+     * @param {ASTNode} node2 The second node
+     * @returns {string} The text between the nodes, excluding other tokens
+     */
+
+    function getTextBetween(node1, node2) {
+      const allTokens = [node1].concat(sourceCode.getTokensBetween(node1, node2)).concat(node2);
+      const sourceText = sourceCode.getText();
+      return allTokens.slice(0, -1).reduce((accumulator, token, index) => accumulator + sourceText.slice(token.range[1], allTokens[index + 1].range[0]), "");
+    }
+    /**
+     * Returns a template literal form of the given node.
+     * @param {ASTNode} currentNode A node that should be converted to a template literal
+     * @param {string} textBeforeNode Text that should appear before the node
+     * @param {string} textAfterNode Text that should appear after the node
+     * @returns {string} A string form of this node, represented as a template literal
+     */
+
+
+    function getTemplateLiteral(currentNode, textBeforeNode, textAfterNode) {
+      if (currentNode.type === "Literal" && typeof currentNode.value === "string") {
+        /*
+         * If the current node is a string literal, escape any instances of ${ or ` to prevent them from being interpreted
+         * as a template placeholder. However, if the code already contains a backslash before the ${ or `
+         * for some reason, don't add another backslash, because that would change the meaning of the code (it would cause
+         * an actual backslash character to appear before the dollar sign).
+         */
+        return "`".concat(currentNode.raw.slice(1, -1).replace(/\\*(\$\{|`)/gu, matched => {
+          if (matched.lastIndexOf("\\") % 2) {
+            return "\\".concat(matched);
+          }
+
+          return matched; // Unescape any quotes that appear in the original Literal that no longer need to be escaped.
+        }).replace(new RegExp("\\\\".concat(currentNode.raw[0]), "gu"), currentNode.raw[0]), "`");
+      }
+
+      if (currentNode.type === "TemplateLiteral") {
+        return sourceCode.getText(currentNode);
+      }
+
+      if (isConcatenation(currentNode) && hasStringLiteral(currentNode) && hasNonStringLiteral(currentNode)) {
+        const plusSign = sourceCode.getFirstTokenBetween(currentNode.left, currentNode.right, token => token.value === "+");
+        const textBeforePlus = getTextBetween(currentNode.left, plusSign);
+        const textAfterPlus = getTextBetween(plusSign, currentNode.right);
+        const leftEndsWithCurly = endsWithTemplateCurly(currentNode.left);
+        const rightStartsWithCurly = startsWithTemplateCurly(currentNode.right);
+
+        if (leftEndsWithCurly) {
+          // If the left side of the expression ends with a template curly, add the extra text to the end of the curly bracket.
+          // `foo${bar}` /* comment */ + 'baz' --> `foo${bar /* comment */  }${baz}`
+          return getTemplateLiteral(currentNode.left, textBeforeNode, textBeforePlus + textAfterPlus).slice(0, -1) + getTemplateLiteral(currentNode.right, null, textAfterNode).slice(1);
+        }
+
+        if (rightStartsWithCurly) {
+          // Otherwise, if the right side of the expression starts with a template curly, add the text there.
+          // 'foo' /* comment */ + `${bar}baz` --> `foo${ /* comment */  bar}baz`
+          return getTemplateLiteral(currentNode.left, textBeforeNode, null).slice(0, -1) + getTemplateLiteral(currentNode.right, textBeforePlus + textAfterPlus, textAfterNode).slice(1);
+        }
+        /*
+         * Otherwise, these nodes should not be combined into a template curly, since there is nowhere to put
+         * the text between them.
+         */
+
+
+        return "".concat(getTemplateLiteral(currentNode.left, textBeforeNode, null)).concat(textBeforePlus, "+").concat(textAfterPlus).concat(getTemplateLiteral(currentNode.right, textAfterNode, null));
+      }
+
+      return "`${".concat(textBeforeNode || "").concat(sourceCode.getText(currentNode)).concat(textAfterNode || "", "}`");
+    }
+    /**
+     * Returns a fixer object that converts a non-string binary expression to a template literal
+     * @param {SourceCodeFixer} fixer The fixer object
+     * @param {ASTNode} node A node that should be converted to a template literal
+     * @returns {Object} A fix for this binary expression
+     */
+
+
+    function fixNonStringBinaryExpression(fixer, node) {
+      const topBinaryExpr = getTopConcatBinaryExpression(node.parent);
+
+      if (hasOctalEscapeSequence(topBinaryExpr)) {
+        return null;
+      }
+
+      return fixer.replaceText(topBinaryExpr, getTemplateLiteral(topBinaryExpr, null, null));
+    }
+    /**
+     * Reports if a given node is string concatenation with non string literals.
+     * @param {ASTNode} node A node to check.
+     * @returns {void}
+     */
+
+
+    function checkForStringConcat(node) {
+      if (!astUtils.isStringLiteral(node) || !isConcatenation(node.parent)) {
+        return;
+      }
+
+      const topBinaryExpr = getTopConcatBinaryExpression(node.parent); // Checks whether or not this node had been checked already.
+
+      if (done[topBinaryExpr.range[0]]) {
+        return;
+      }
+
+      done[topBinaryExpr.range[0]] = true;
+
+      if (hasNonStringLiteral(topBinaryExpr)) {
+        context.report({
+          node: topBinaryExpr,
+          messageId: "unexpectedStringConcatenation",
+          fix: fixer => fixNonStringBinaryExpression(fixer, node)
+        });
+      }
+    }
+
+    return {
+      Program() {
+        done = Object.create(null);
+      },
+
+      Literal: checkForStringConcat,
+      TemplateLiteral: checkForStringConcat
+    };
+  }
+
+};
+
+/***/ }),
+/* 686 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag non-quoted property names in object literals.
+ * @author Mathias Bynens <http://mathiasbynens.be/>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const espree = __webpack_require__(394);
+
+const astUtils = __webpack_require__(426);
+
+const keywords = __webpack_require__(460); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require quotes around object literal property names",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/quote-props"
+    },
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["always", "as-needed", "consistent", "consistent-as-needed"]
+        }],
+        minItems: 0,
+        maxItems: 1
+      }, {
+        type: "array",
+        items: [{
+          enum: ["always", "as-needed", "consistent", "consistent-as-needed"]
+        }, {
+          type: "object",
+          properties: {
+            keywords: {
+              type: "boolean"
+            },
+            unnecessary: {
+              type: "boolean"
+            },
+            numbers: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    fixable: "code",
+    messages: {
+      requireQuotesDueToReservedWord: "Properties should be quoted as '{{property}}' is a reserved word.",
+      inconsistentlyQuotedProperty: "Inconsistently quoted property '{{key}}' found.",
+      unnecessarilyQuotedProperty: "Unnecessarily quoted property '{{property}}' found.",
+      unquotedReservedProperty: "Unquoted reserved word '{{property}}' used as key.",
+      unquotedNumericProperty: "Unquoted number literal '{{property}}' used as key.",
+      unquotedPropertyFound: "Unquoted property '{{property}}' found.",
+      redundantQuoting: "Properties shouldn't be quoted as all quotes are redundant."
+    }
+  },
+
+  create(context) {
+    const MODE = context.options[0],
+          KEYWORDS = context.options[1] && context.options[1].keywords,
+          CHECK_UNNECESSARY = !context.options[1] || context.options[1].unnecessary !== false,
+          NUMBERS = context.options[1] && context.options[1].numbers,
+          sourceCode = context.getSourceCode();
+    /**
+     * Checks whether a certain string constitutes an ES3 token
+     * @param   {string} tokenStr The string to be checked.
+     * @returns {boolean} `true` if it is an ES3 token.
+     */
+
+    function isKeyword(tokenStr) {
+      return keywords.indexOf(tokenStr) >= 0;
+    }
+    /**
+     * Checks if an espree-tokenized key has redundant quotes (i.e. whether quotes are unnecessary)
+     * @param   {string} rawKey The raw key value from the source
+     * @param   {espreeTokens} tokens The espree-tokenized node key
+     * @param   {boolean} [skipNumberLiterals=false] Indicates whether number literals should be checked
+     * @returns {boolean} Whether or not a key has redundant quotes.
+     * @private
+     */
+
+
+    function areQuotesRedundant(rawKey, tokens, skipNumberLiterals) {
+      return tokens.length === 1 && tokens[0].start === 0 && tokens[0].end === rawKey.length && (["Identifier", "Keyword", "Null", "Boolean"].indexOf(tokens[0].type) >= 0 || tokens[0].type === "Numeric" && !skipNumberLiterals && String(+tokens[0].value) === tokens[0].value);
+    }
+    /**
+     * Returns a string representation of a property node with quotes removed
+     * @param {ASTNode} key Key AST Node, which may or may not be quoted
+     * @returns {string} A replacement string for this property
+     */
+
+
+    function getUnquotedKey(key) {
+      return key.type === "Identifier" ? key.name : key.value;
+    }
+    /**
+     * Returns a string representation of a property node with quotes added
+     * @param {ASTNode} key Key AST Node, which may or may not be quoted
+     * @returns {string} A replacement string for this property
+     */
+
+
+    function getQuotedKey(key) {
+      if (key.type === "Literal" && typeof key.value === "string") {
+        // If the key is already a string literal, don't replace the quotes with double quotes.
+        return sourceCode.getText(key);
+      } // Otherwise, the key is either an identifier or a number literal.
+
+
+      return "\"".concat(key.type === "Identifier" ? key.name : key.value, "\"");
+    }
+    /**
+     * Ensures that a property's key is quoted only when necessary
+     * @param   {ASTNode} node Property AST node
+     * @returns {void}
+     */
+
+
+    function checkUnnecessaryQuotes(node) {
+      const key = node.key;
+
+      if (node.method || node.computed || node.shorthand) {
+        return;
+      }
+
+      if (key.type === "Literal" && typeof key.value === "string") {
+        let tokens;
+
+        try {
+          tokens = espree.tokenize(key.value);
+        } catch (e) {
+          return;
+        }
+
+        if (tokens.length !== 1) {
+          return;
+        }
+
+        const isKeywordToken = isKeyword(tokens[0].value);
+
+        if (isKeywordToken && KEYWORDS) {
+          return;
+        }
+
+        if (CHECK_UNNECESSARY && areQuotesRedundant(key.value, tokens, NUMBERS)) {
+          context.report({
+            node,
+            messageId: "unnecessarilyQuotedProperty",
+            data: {
+              property: key.value
+            },
+            fix: fixer => fixer.replaceText(key, getUnquotedKey(key))
+          });
+        }
+      } else if (KEYWORDS && key.type === "Identifier" && isKeyword(key.name)) {
+        context.report({
+          node,
+          messageId: "unquotedReservedProperty",
+          data: {
+            property: key.name
+          },
+          fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+        });
+      } else if (NUMBERS && key.type === "Literal" && astUtils.isNumericLiteral(key)) {
+        context.report({
+          node,
+          messageId: "unquotedNumericProperty",
+          data: {
+            property: key.value
+          },
+          fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+        });
+      }
+    }
+    /**
+     * Ensures that a property's key is quoted
+     * @param   {ASTNode} node Property AST node
+     * @returns {void}
+     */
+
+
+    function checkOmittedQuotes(node) {
+      const key = node.key;
+
+      if (!node.method && !node.computed && !node.shorthand && !(key.type === "Literal" && typeof key.value === "string")) {
+        context.report({
+          node,
+          messageId: "unquotedPropertyFound",
+          data: {
+            property: key.name || key.value
+          },
+          fix: fixer => fixer.replaceText(key, getQuotedKey(key))
+        });
+      }
+    }
+    /**
+     * Ensures that an object's keys are consistently quoted, optionally checks for redundancy of quotes
+     * @param   {ASTNode} node Property AST node
+     * @param   {boolean} checkQuotesRedundancy Whether to check quotes' redundancy
+     * @returns {void}
+     */
+
+
+    function checkConsistency(node, checkQuotesRedundancy) {
+      const quotedProps = [],
+            unquotedProps = [];
+      let keywordKeyName = null,
+          necessaryQuotes = false;
+      node.properties.forEach(property => {
+        const key = property.key;
+
+        if (!key || property.method || property.computed || property.shorthand) {
+          return;
+        }
+
+        if (key.type === "Literal" && typeof key.value === "string") {
+          quotedProps.push(property);
+
+          if (checkQuotesRedundancy) {
+            let tokens;
+
+            try {
+              tokens = espree.tokenize(key.value);
+            } catch (e) {
+              necessaryQuotes = true;
+              return;
+            }
+
+            necessaryQuotes = necessaryQuotes || !areQuotesRedundant(key.value, tokens) || KEYWORDS && isKeyword(tokens[0].value);
+          }
+        } else if (KEYWORDS && checkQuotesRedundancy && key.type === "Identifier" && isKeyword(key.name)) {
+          unquotedProps.push(property);
+          necessaryQuotes = true;
+          keywordKeyName = key.name;
+        } else {
+          unquotedProps.push(property);
+        }
+      });
+
+      if (checkQuotesRedundancy && quotedProps.length && !necessaryQuotes) {
+        quotedProps.forEach(property => {
+          context.report({
+            node: property,
+            messageId: "redundantQuoting",
+            fix: fixer => fixer.replaceText(property.key, getUnquotedKey(property.key))
+          });
+        });
+      } else if (unquotedProps.length && keywordKeyName) {
+        unquotedProps.forEach(property => {
+          context.report({
+            node: property,
+            messageId: "requireQuotesDueToReservedWord",
+            data: {
+              property: keywordKeyName
+            },
+            fix: fixer => fixer.replaceText(property.key, getQuotedKey(property.key))
+          });
+        });
+      } else if (quotedProps.length && unquotedProps.length) {
+        unquotedProps.forEach(property => {
+          context.report({
+            node: property,
+            messageId: "inconsistentlyQuotedProperty",
+            data: {
+              key: property.key.name || property.key.value
+            },
+            fix: fixer => fixer.replaceText(property.key, getQuotedKey(property.key))
+          });
+        });
+      }
+    }
+
+    return {
+      Property(node) {
+        if (MODE === "always" || !MODE) {
+          checkOmittedQuotes(node);
+        }
+
+        if (MODE === "as-needed") {
+          checkUnnecessaryQuotes(node);
+        }
+      },
+
+      ObjectExpression(node) {
+        if (MODE === "consistent") {
+          checkConsistency(node, false);
+        }
+
+        if (MODE === "consistent-as-needed") {
+          checkConsistency(node, true);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 687 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to choose between single and double quote marks
+ * @author Matt DuVall <http://www.mattduvall.com/>, Brandon Payton
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function _templateObject() {
+  const data = _taggedTemplateLiteral(["(^|[^\\])(\\\\)*[", "]"], ["(^|[^\\\\])(\\\\\\\\)*[", "]"]);
+
+  _templateObject = function _templateObject() {
+    return data;
+  };
+
+  return data;
+}
+
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+
+const QUOTE_SETTINGS = {
+  double: {
+    quote: "\"",
+    alternateQuote: "'",
+    description: "doublequote"
+  },
+  single: {
+    quote: "'",
+    alternateQuote: "\"",
+    description: "singlequote"
+  },
+  backtick: {
+    quote: "`",
+    alternateQuote: "\"",
+    description: "backtick"
+  }
+}; // An unescaped newline is a newline preceded by an even number of backslashes.
+
+const UNESCAPED_LINEBREAK_PATTERN = new RegExp(String.raw(_templateObject(), Array.from(astUtils.LINEBREAKS).join("")), "u");
+/**
+ * Switches quoting of javascript string between ' " and `
+ * escaping and unescaping as necessary.
+ * Only escaping of the minimal set of characters is changed.
+ * Note: escaping of newlines when switching from backtick to other quotes is not handled.
+ * @param {string} str A string to convert.
+ * @returns {string} The string with changed quotes.
+ * @private
+ */
+
+QUOTE_SETTINGS.double.convert = QUOTE_SETTINGS.single.convert = QUOTE_SETTINGS.backtick.convert = function (str) {
+  const newQuote = this.quote;
+  const oldQuote = str[0];
+
+  if (newQuote === oldQuote) {
+    return str;
+  }
+
+  return newQuote + str.slice(1, -1).replace(/\\(\$\{|\r\n?|\n|.)|["'`]|\$\{|(\r\n?|\n)/gu, (match, escaped, newline) => {
+    if (escaped === oldQuote || oldQuote === "`" && escaped === "${") {
+      return escaped; // unescape
+    }
+
+    if (match === newQuote || newQuote === "`" && match === "${") {
+      return "\\".concat(match); // escape
+    }
+
+    if (newline && oldQuote === "`") {
+      return "\\n"; // escape newlines
+    }
+
+    return match;
+  }) + newQuote;
+};
+
+const AVOID_ESCAPE = "avoid-escape"; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce the consistent use of either backticks, double, or single quotes",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/quotes"
+    },
+    fixable: "code",
+    schema: [{
+      enum: ["single", "double", "backtick"]
+    }, {
+      anyOf: [{
+        enum: ["avoid-escape"]
+      }, {
+        type: "object",
+        properties: {
+          avoidEscape: {
+            type: "boolean"
+          },
+          allowTemplateLiterals: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      wrongQuotes: "Strings must use {{description}}."
+    }
+  },
+
+  create(context) {
+    const quoteOption = context.options[0],
+          settings = QUOTE_SETTINGS[quoteOption || "double"],
+          options = context.options[1],
+          allowTemplateLiterals = options && options.allowTemplateLiterals === true,
+          sourceCode = context.getSourceCode();
+    let avoidEscape = options && options.avoidEscape === true; // deprecated
+
+    if (options === AVOID_ESCAPE) {
+      avoidEscape = true;
+    }
+    /**
+     * Determines if a given node is part of JSX syntax.
+     *
+     * This function returns `true` in the following cases:
+     *
+     * - `<div className="foo"></div>` ... If the literal is an attribute value, the parent of the literal is `JSXAttribute`.
+     * - `<div>foo</div>` ... If the literal is a text content, the parent of the literal is `JSXElement`.
+     * - `<>foo</>` ... If the literal is a text content, the parent of the literal is `JSXFragment`.
+     *
+     * In particular, this function returns `false` in the following cases:
+     *
+     * - `<div className={"foo"}></div>`
+     * - `<div>{"foo"}</div>`
+     *
+     * In both cases, inside of the braces is handled as normal JavaScript.
+     * The braces are `JSXExpressionContainer` nodes.
+     * @param {ASTNode} node The Literal node to check.
+     * @returns {boolean} True if the node is a part of JSX, false if not.
+     * @private
+     */
+
+
+    function isJSXLiteral(node) {
+      return node.parent.type === "JSXAttribute" || node.parent.type === "JSXElement" || node.parent.type === "JSXFragment";
+    }
+    /**
+     * Checks whether or not a given node is a directive.
+     * The directive is a `ExpressionStatement` which has only a string literal.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} Whether or not the node is a directive.
+     * @private
+     */
+
+
+    function isDirective(node) {
+      return node.type === "ExpressionStatement" && node.expression.type === "Literal" && typeof node.expression.value === "string";
+    }
+    /**
+     * Checks whether or not a given node is a part of directive prologues.
+     * See also: http://www.ecma-international.org/ecma-262/6.0/#sec-directive-prologues-and-the-use-strict-directive
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} Whether or not the node is a part of directive prologues.
+     * @private
+     */
+
+
+    function isPartOfDirectivePrologue(node) {
+      const block = node.parent.parent;
+
+      if (block.type !== "Program" && (block.type !== "BlockStatement" || !astUtils.isFunction(block.parent))) {
+        return false;
+      } // Check the node is at a prologue.
+
+
+      for (let i = 0; i < block.body.length; ++i) {
+        const statement = block.body[i];
+
+        if (statement === node.parent) {
+          return true;
+        }
+
+        if (!isDirective(statement)) {
+          break;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether or not a given node is allowed as non backtick.
+     * @param {ASTNode} node A node to check.
+     * @returns {boolean} Whether or not the node is allowed as non backtick.
+     * @private
+     */
+
+
+    function isAllowedAsNonBacktick(node) {
+      const parent = node.parent;
+
+      switch (parent.type) {
+        // Directive Prologues.
+        case "ExpressionStatement":
+          return isPartOfDirectivePrologue(node);
+        // LiteralPropertyName.
+
+        case "Property":
+        case "MethodDefinition":
+          return parent.key === node && !parent.computed;
+        // ModuleSpecifier.
+
+        case "ImportDeclaration":
+        case "ExportNamedDeclaration":
+        case "ExportAllDeclaration":
+          return parent.source === node;
+        // Others don't allow.
+
+        default:
+          return false;
+      }
+    }
+    /**
+     * Checks whether or not a given TemplateLiteral node is actually using any of the special features provided by template literal strings.
+     * @param {ASTNode} node A TemplateLiteral node to check.
+     * @returns {boolean} Whether or not the TemplateLiteral node is using any of the special features provided by template literal strings.
+     * @private
+     */
+
+
+    function isUsingFeatureOfTemplateLiteral(node) {
+      const hasTag = node.parent.type === "TaggedTemplateExpression" && node === node.parent.quasi;
+
+      if (hasTag) {
+        return true;
+      }
+
+      const hasStringInterpolation = node.expressions.length > 0;
+
+      if (hasStringInterpolation) {
+        return true;
+      }
+
+      const isMultilineString = node.quasis.length >= 1 && UNESCAPED_LINEBREAK_PATTERN.test(node.quasis[0].value.raw);
+
+      if (isMultilineString) {
+        return true;
+      }
+
+      return false;
+    }
+
+    return {
+      Literal(node) {
+        const val = node.value,
+              rawVal = node.raw;
+
+        if (settings && typeof val === "string") {
+          let isValid = quoteOption === "backtick" && isAllowedAsNonBacktick(node) || isJSXLiteral(node) || astUtils.isSurroundedBy(rawVal, settings.quote);
+
+          if (!isValid && avoidEscape) {
+            isValid = astUtils.isSurroundedBy(rawVal, settings.alternateQuote) && rawVal.indexOf(settings.quote) >= 0;
+          }
+
+          if (!isValid) {
+            context.report({
+              node,
+              messageId: "wrongQuotes",
+              data: {
+                description: settings.description
+              },
+
+              fix(fixer) {
+                if (quoteOption === "backtick" && astUtils.hasOctalEscapeSequence(rawVal)) {
+                  // An octal escape sequence in a template literal would produce syntax error, even in non-strict mode.
+                  return null;
+                }
+
+                return fixer.replaceText(node, settings.convert(node.raw));
+              }
+
+            });
+          }
+        }
+      },
+
+      TemplateLiteral(node) {
+        // Don't throw an error if backticks are expected or a template literal feature is in use.
+        if (allowTemplateLiterals || quoteOption === "backtick" || isUsingFeatureOfTemplateLiteral(node)) {
+          return;
+        }
+
+        context.report({
+          node,
+          messageId: "wrongQuotes",
+          data: {
+            description: settings.description
+          },
+
+          fix(fixer) {
+            if (isPartOfDirectivePrologue(node)) {
+              /*
+               * TemplateLiterals in a directive prologue aren't actually directives, but if they're
+               * in the directive prologue, then fixing them might turn them into directives and change
+               * the behavior of the code.
+               */
+              return null;
+            }
+
+            return fixer.replaceText(node, settings.convert(sourceCode.getText(node)));
+          }
+
+        });
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 688 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag use of parseInt without a radix argument
+ * @author James Allardice
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const MODE_ALWAYS = "always",
+      MODE_AS_NEEDED = "as-needed";
+const validRadixValues = new Set(Array.from({
+  length: 37 - 2
+}, (_, index) => index + 2));
+/**
+ * Checks whether a given variable is shadowed or not.
+ * @param {eslint-scope.Variable} variable A variable to check.
+ * @returns {boolean} `true` if the variable is shadowed.
+ */
+
+function isShadowed(variable) {
+  return variable.defs.length >= 1;
+}
+/**
+ * Checks whether a given node is a MemberExpression of `parseInt` method or not.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a MemberExpression of `parseInt`
+ *      method.
+ */
+
+
+function isParseIntMethod(node) {
+  return node.type === "MemberExpression" && !node.computed && node.property.type === "Identifier" && node.property.name === "parseInt";
+}
+/**
+ * Checks whether a given node is a valid value of radix or not.
+ *
+ * The following values are invalid.
+ *
+ * - A literal except integers between 2 and 36.
+ * - undefined.
+ * @param {ASTNode} radix A node of radix to check.
+ * @returns {boolean} `true` if the node is valid.
+ */
+
+
+function isValidRadix(radix) {
+  return !(radix.type === "Literal" && !validRadixValues.has(radix.value) || radix.type === "Identifier" && radix.name === "undefined");
+}
+/**
+ * Checks whether a given node is a default value of radix or not.
+ * @param {ASTNode} radix A node of radix to check.
+ * @returns {boolean} `true` if the node is the literal node of `10`.
+ */
+
+
+function isDefaultRadix(radix) {
+  return radix.type === "Literal" && radix.value === 10;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce the consistent use of the radix argument when using `parseInt()`",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/radix"
+    },
+    schema: [{
+      enum: ["always", "as-needed"]
+    }],
+    messages: {
+      missingParameters: "Missing parameters.",
+      redundantRadix: "Redundant radix parameter.",
+      missingRadix: "Missing radix parameter.",
+      invalidRadix: "Invalid radix parameter, must be an integer between 2 and 36."
+    }
+  },
+
+  create(context) {
+    const mode = context.options[0] || MODE_ALWAYS;
+    /**
+     * Checks the arguments of a given CallExpression node and reports it if it
+     * offends this rule.
+     * @param {ASTNode} node A CallExpression node to check.
+     * @returns {void}
+     */
+
+    function checkArguments(node) {
+      const args = node.arguments;
+
+      switch (args.length) {
+        case 0:
+          context.report({
+            node,
+            messageId: "missingParameters"
+          });
+          break;
+
+        case 1:
+          if (mode === MODE_ALWAYS) {
+            context.report({
+              node,
+              messageId: "missingRadix"
+            });
+          }
+
+          break;
+
+        default:
+          if (mode === MODE_AS_NEEDED && isDefaultRadix(args[1])) {
+            context.report({
+              node,
+              messageId: "redundantRadix"
+            });
+          } else if (!isValidRadix(args[1])) {
+            context.report({
+              node,
+              messageId: "invalidRadix"
+            });
+          }
+
+          break;
+      }
+    }
+
+    return {
+      "Program:exit"() {
+        const scope = context.getScope();
+        let variable; // Check `parseInt()`
+
+        variable = astUtils.getVariableByName(scope, "parseInt");
+
+        if (variable && !isShadowed(variable)) {
+          variable.references.forEach(reference => {
+            const node = reference.identifier;
+
+            if (astUtils.isCallee(node)) {
+              checkArguments(node.parent);
+            }
+          });
+        } // Check `Number.parseInt()`
+
+
+        variable = astUtils.getVariableByName(scope, "Number");
+
+        if (variable && !isShadowed(variable)) {
+          variable.references.forEach(reference => {
+            const node = reference.identifier.parent;
+
+            if (isParseIntMethod(node) && astUtils.isCallee(node)) {
+              checkArguments(node.parent);
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 689 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview disallow assignments that can lead to race conditions due to usage of `await` or `yield`
+ * @author Teddy Katz
+ * @author Toru Nagashima
+ */
+
+/**
+ * Make the map from identifiers to each reference.
+ * @param {escope.Scope} scope The scope to get references.
+ * @param {Map<Identifier, escope.Reference>} [outReferenceMap] The map from identifier nodes to each reference object.
+ * @returns {Map<Identifier, escope.Reference>} `referenceMap`.
+ */
+
+function createReferenceMap(scope, outReferenceMap = new Map()) {
+  for (const reference of scope.references) {
+    outReferenceMap.set(reference.identifier, reference);
+  }
+
+  for (const childScope of scope.childScopes) {
+    if (childScope.type !== "function") {
+      createReferenceMap(childScope, outReferenceMap);
+    }
+  }
+
+  return outReferenceMap;
+}
+/**
+ * Get `reference.writeExpr` of a given reference.
+ * If it's the read reference of MemberExpression in LHS, returns RHS in order to address `a.b = await a`
+ * @param {escope.Reference} reference The reference to get.
+ * @returns {Expression|null} The `reference.writeExpr`.
+ */
+
+
+function getWriteExpr(reference) {
+  if (reference.writeExpr) {
+    return reference.writeExpr;
+  }
+
+  let node = reference.identifier;
+
+  while (node) {
+    const t = node.parent.type;
+
+    if (t === "AssignmentExpression" && node.parent.left === node) {
+      return node.parent.right;
+    }
+
+    if (t === "MemberExpression" && node.parent.object === node) {
+      node = node.parent;
+      continue;
+    }
+
+    break;
+  }
+
+  return null;
+}
+/**
+ * Checks if an expression is a variable that can only be observed within the given function.
+ * @param {Variable|null} variable The variable to check
+ * @param {boolean} isMemberAccess If `true` then this is a member access.
+ * @returns {boolean} `true` if the variable is local to the given function, and is never referenced in a closure.
+ */
+
+
+function isLocalVariableWithoutEscape(variable, isMemberAccess) {
+  if (!variable) {
+    return false; // A global variable which was not defined.
+  } // If the reference is a property access and the variable is a parameter, it handles the variable is not local.
+
+
+  if (isMemberAccess && variable.defs.some(d => d.type === "Parameter")) {
+    return false;
+  }
+
+  const functionScope = variable.scope.variableScope;
+  return variable.references.every(reference => reference.from.variableScope === functionScope);
+}
+
+class SegmentInfo {
+  constructor() {
+    this.info = new WeakMap();
+  }
+  /**
+   * Initialize the segment information.
+   * @param {PathSegment} segment The segment to initialize.
+   * @returns {void}
+   */
+
+
+  initialize(segment) {
+    const outdatedReadVariableNames = new Set();
+    const freshReadVariableNames = new Set();
+
+    for (const prevSegment of segment.prevSegments) {
+      const info = this.info.get(prevSegment);
+
+      if (info) {
+        info.outdatedReadVariableNames.forEach(Set.prototype.add, outdatedReadVariableNames);
+        info.freshReadVariableNames.forEach(Set.prototype.add, freshReadVariableNames);
+      }
+    }
+
+    this.info.set(segment, {
+      outdatedReadVariableNames,
+      freshReadVariableNames
+    });
+  }
+  /**
+   * Mark a given variable as read on given segments.
+   * @param {PathSegment[]} segments The segments that it read the variable on.
+   * @param {string} variableName The variable name to be read.
+   * @returns {void}
+   */
+
+
+  markAsRead(segments, variableName) {
+    for (const segment of segments) {
+      const info = this.info.get(segment);
+
+      if (info) {
+        info.freshReadVariableNames.add(variableName);
+      }
+    }
+  }
+  /**
+   * Move `freshReadVariableNames` to `outdatedReadVariableNames`.
+   * @param {PathSegment[]} segments The segments to process.
+   * @returns {void}
+   */
+
+
+  makeOutdated(segments) {
+    for (const segment of segments) {
+      const info = this.info.get(segment);
+
+      if (info) {
+        info.freshReadVariableNames.forEach(Set.prototype.add, info.outdatedReadVariableNames);
+        info.freshReadVariableNames.clear();
+      }
+    }
+  }
+  /**
+   * Check if a given variable is outdated on the current segments.
+   * @param {PathSegment[]} segments The current segments.
+   * @param {string} variableName The variable name to check.
+   * @returns {boolean} `true` if the variable is outdated on the segments.
+   */
+
+
+  isOutdated(segments, variableName) {
+    for (const segment of segments) {
+      const info = this.info.get(segment);
+
+      if (info && info.outdatedReadVariableNames.has(variableName)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "disallow assignments that can lead to race conditions due to usage of `await` or `yield`",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/require-atomic-updates"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      nonAtomicUpdate: "Possible race condition: `{{value}}` might be reassigned based on an outdated value of `{{value}}`."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const assignmentReferences = new Map();
+    const segmentInfo = new SegmentInfo();
+    let stack = null;
+    return {
+      onCodePathStart(codePath) {
+        const scope = context.getScope();
+        const shouldVerify = scope.type === "function" && (scope.block.async || scope.block.generator);
+        stack = {
+          upper: stack,
+          codePath,
+          referenceMap: shouldVerify ? createReferenceMap(scope) : null
+        };
+      },
+
+      onCodePathEnd() {
+        stack = stack.upper;
+      },
+
+      // Initialize the segment information.
+      onCodePathSegmentStart(segment) {
+        segmentInfo.initialize(segment);
+      },
+
+      // Handle references to prepare verification.
+      Identifier(node) {
+        const {
+          codePath,
+          referenceMap
+        } = stack;
+        const reference = referenceMap && referenceMap.get(node); // Ignore if this is not a valid variable reference.
+
+        if (!reference) {
+          return;
+        }
+
+        const name = reference.identifier.name;
+        const variable = reference.resolved;
+        const writeExpr = getWriteExpr(reference);
+        const isMemberAccess = reference.identifier.parent.type === "MemberExpression"; // Add a fresh read variable.
+
+        if (reference.isRead() && !(writeExpr && writeExpr.parent.operator === "=")) {
+          segmentInfo.markAsRead(codePath.currentSegments, name);
+        }
+        /*
+         * Register the variable to verify after ESLint traversed the `writeExpr` node
+         * if this reference is an assignment to a variable which is referred from other closure.
+         */
+
+
+        if (writeExpr && writeExpr.parent.right === writeExpr && // ← exclude variable declarations.
+        !isLocalVariableWithoutEscape(variable, isMemberAccess)) {
+          let refs = assignmentReferences.get(writeExpr);
+
+          if (!refs) {
+            refs = [];
+            assignmentReferences.set(writeExpr, refs);
+          }
+
+          refs.push(reference);
+        }
+      },
+
+      /*
+       * Verify assignments.
+       * If the reference exists in `outdatedReadVariableNames` list, report it.
+       */
+      ":expression:exit"(node) {
+        const {
+          codePath,
+          referenceMap
+        } = stack; // referenceMap exists if this is in a resumable function scope.
+
+        if (!referenceMap) {
+          return;
+        } // Mark the read variables on this code path as outdated.
+
+
+        if (node.type === "AwaitExpression" || node.type === "YieldExpression") {
+          segmentInfo.makeOutdated(codePath.currentSegments);
+        } // Verify.
+
+
+        const references = assignmentReferences.get(node);
+
+        if (references) {
+          assignmentReferences.delete(node);
+
+          for (const reference of references) {
+            const name = reference.identifier.name;
+
+            if (segmentInfo.isOutdated(codePath.currentSegments, name)) {
+              context.report({
+                node: node.parent,
+                messageId: "nonAtomicUpdate",
+                data: {
+                  value: sourceCode.getText(node.parent.left)
+                }
+              });
+            }
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 690 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to disallow async functions which have no `await` expression.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Capitalize the 1st letter of the given text.
+ * @param {string} text The text to capitalize.
+ * @returns {string} The text that the 1st letter was capitalized.
+ */
+
+
+function capitalizeFirstLetter(text) {
+  return text[0].toUpperCase() + text.slice(1);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "disallow async functions which have no `await` expression",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/require-await"
+    },
+    schema: [],
+    messages: {
+      missingAwait: "{{name}} has no 'await' expression."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    let scopeInfo = null;
+    /**
+     * Push the scope info object to the stack.
+     * @returns {void}
+     */
+
+    function enterFunction() {
+      scopeInfo = {
+        upper: scopeInfo,
+        hasAwait: false
+      };
+    }
+    /**
+     * Pop the top scope info object from the stack.
+     * Also, it reports the function if needed.
+     * @param {ASTNode} node The node to report.
+     * @returns {void}
+     */
+
+
+    function exitFunction(node) {
+      if (!node.generator && node.async && !scopeInfo.hasAwait && !astUtils.isEmptyFunction(node)) {
+        context.report({
+          node,
+          loc: astUtils.getFunctionHeadLoc(node, sourceCode),
+          messageId: "missingAwait",
+          data: {
+            name: capitalizeFirstLetter(astUtils.getFunctionNameWithKind(node))
+          }
+        });
+      }
+
+      scopeInfo = scopeInfo.upper;
+    }
+
+    return {
+      FunctionDeclaration: enterFunction,
+      FunctionExpression: enterFunction,
+      ArrowFunctionExpression: enterFunction,
+      "FunctionDeclaration:exit": exitFunction,
+      "FunctionExpression:exit": exitFunction,
+      "ArrowFunctionExpression:exit": exitFunction,
+
+      AwaitExpression() {
+        if (!scopeInfo) {
+          return;
+        }
+
+        scopeInfo.hasAwait = true;
+      },
+
+      ForOfStatement(node) {
+        if (!scopeInfo) {
+          return;
+        }
+
+        if (node.await) {
+          scopeInfo.hasAwait = true;
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 691 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check for jsdoc presence.
+ * @author Gyandeep Singh
+ */
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require JSDoc comments",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/require-jsdoc"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        require: {
+          type: "object",
+          properties: {
+            ClassDeclaration: {
+              type: "boolean",
+              default: false
+            },
+            MethodDefinition: {
+              type: "boolean",
+              default: false
+            },
+            FunctionDeclaration: {
+              type: "boolean",
+              default: true
+            },
+            ArrowFunctionExpression: {
+              type: "boolean",
+              default: false
+            },
+            FunctionExpression: {
+              type: "boolean",
+              default: false
+            }
+          },
+          additionalProperties: false,
+          default: {}
+        }
+      },
+      additionalProperties: false
+    }],
+    deprecated: true,
+    replacedBy: [],
+    messages: {
+      missingJSDocComment: "Missing JSDoc comment."
+    }
+  },
+
+  create(context) {
+    const source = context.getSourceCode();
+    const DEFAULT_OPTIONS = {
+      FunctionDeclaration: true,
+      MethodDefinition: false,
+      ClassDeclaration: false,
+      ArrowFunctionExpression: false,
+      FunctionExpression: false
+    };
+    const options = Object.assign(DEFAULT_OPTIONS, context.options[0] && context.options[0].require);
+    /**
+     * Report the error message
+     * @param {ASTNode} node node to report
+     * @returns {void}
+     */
+
+    function report(node) {
+      context.report({
+        node,
+        messageId: "missingJSDocComment"
+      });
+    }
+    /**
+     * Check if the jsdoc comment is present or not.
+     * @param {ASTNode} node node to examine
+     * @returns {void}
+     */
+
+
+    function checkJsDoc(node) {
+      const jsdocComment = source.getJSDocComment(node);
+
+      if (!jsdocComment) {
+        report(node);
+      }
+    }
+
+    return {
+      FunctionDeclaration(node) {
+        if (options.FunctionDeclaration) {
+          checkJsDoc(node);
+        }
+      },
+
+      FunctionExpression(node) {
+        if (options.MethodDefinition && node.parent.type === "MethodDefinition" || options.FunctionExpression && (node.parent.type === "VariableDeclarator" || node.parent.type === "Property" && node === node.parent.value)) {
+          checkJsDoc(node);
+        }
+      },
+
+      ClassDeclaration(node) {
+        if (options.ClassDeclaration) {
+          checkJsDoc(node);
+        }
+      },
+
+      ArrowFunctionExpression(node) {
+        if (options.ArrowFunctionExpression && node.parent.type === "VariableDeclarator") {
+          checkJsDoc(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 692 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce the use of `u` flag on RegExp.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  CALL,
+  CONSTRUCT,
+  ReferenceTracker,
+  getStringIfConstant
+} = __webpack_require__(549); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce the use of `u` flag on RegExp",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/require-unicode-regexp"
+    },
+    messages: {
+      requireUFlag: "Use the 'u' flag."
+    },
+    schema: []
+  },
+
+  create(context) {
+    return {
+      "Literal[regex]"(node) {
+        const flags = node.regex.flags || "";
+
+        if (!flags.includes("u")) {
+          context.report({
+            node,
+            messageId: "requireUFlag"
+          });
+        }
+      },
+
+      Program() {
+        const scope = context.getScope();
+        const tracker = new ReferenceTracker(scope);
+        const trackMap = {
+          RegExp: {
+            [CALL]: true,
+            [CONSTRUCT]: true
+          }
+        };
+
+        for (const {
+          node
+        } of tracker.iterateGlobalReferences(trackMap)) {
+          const flagsNode = node.arguments[1];
+          const flags = getStringIfConstant(flagsNode, scope);
+
+          if (!flagsNode || typeof flags === "string" && !flags.includes("u")) {
+            context.report({
+              node,
+              messageId: "requireUFlag"
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 693 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag the generator functions that does not have yield.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require generator functions to contain `yield`",
+      category: "ECMAScript 6",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/require-yield"
+    },
+    schema: [],
+    messages: {
+      missingYield: "This generator function does not have 'yield'."
+    }
+  },
+
+  create(context) {
+    const stack = [];
+    /**
+     * If the node is a generator function, start counting `yield` keywords.
+     * @param {Node} node A function node to check.
+     * @returns {void}
+     */
+
+    function beginChecking(node) {
+      if (node.generator) {
+        stack.push(0);
+      }
+    }
+    /**
+     * If the node is a generator function, end counting `yield` keywords, then
+     * reports result.
+     * @param {Node} node A function node to check.
+     * @returns {void}
+     */
+
+
+    function endChecking(node) {
+      if (!node.generator) {
+        return;
+      }
+
+      const countYield = stack.pop();
+
+      if (countYield === 0 && node.body.body.length > 0) {
+        context.report({
+          node,
+          messageId: "missingYield"
+        });
+      }
+    }
+
+    return {
+      FunctionDeclaration: beginChecking,
+      "FunctionDeclaration:exit": endChecking,
+      FunctionExpression: beginChecking,
+      "FunctionExpression:exit": endChecking,
+
+      // Increases the count of `yield` keyword.
+      YieldExpression() {
+        /* istanbul ignore else */
+        if (stack.length > 0) {
+          stack[stack.length - 1] += 1;
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 694 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Enforce spacing between rest and spread operators and their expressions.
+ * @author Kai Cataldo
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce spacing between rest and spread operators and their expressions",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/rest-spread-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    messages: {
+      unexpectedWhitespace: "Unexpected whitespace after {{type}} operator.",
+      expectedWhitespace: "Expected whitespace after {{type}} operator."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(),
+          alwaysSpace = context.options[0] === "always"; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks whitespace between rest/spread operators and their expressions
+     * @param {ASTNode} node The node to check
+     * @returns {void}
+     */
+
+    function checkWhiteSpace(node) {
+      const operator = sourceCode.getFirstToken(node),
+            nextToken = sourceCode.getTokenAfter(operator),
+            hasWhitespace = sourceCode.isSpaceBetweenTokens(operator, nextToken);
+      let type;
+
+      switch (node.type) {
+        case "SpreadElement":
+          type = "spread";
+
+          if (node.parent.type === "ObjectExpression") {
+            type += " property";
+          }
+
+          break;
+
+        case "RestElement":
+          type = "rest";
+
+          if (node.parent.type === "ObjectPattern") {
+            type += " property";
+          }
+
+          break;
+
+        case "ExperimentalSpreadProperty":
+          type = "spread property";
+          break;
+
+        case "ExperimentalRestProperty":
+          type = "rest property";
+          break;
+
+        default:
+          return;
+      }
+
+      if (alwaysSpace && !hasWhitespace) {
+        context.report({
+          node,
+          loc: {
+            line: operator.loc.end.line,
+            column: operator.loc.end.column
+          },
+          messageId: "expectedWhitespace",
+          data: {
+            type
+          },
+
+          fix(fixer) {
+            return fixer.replaceTextRange([operator.range[1], nextToken.range[0]], " ");
+          }
+
+        });
+      } else if (!alwaysSpace && hasWhitespace) {
+        context.report({
+          node,
+          loc: {
+            line: operator.loc.end.line,
+            column: operator.loc.end.column
+          },
+          messageId: "unexpectedWhitespace",
+          data: {
+            type
+          },
+
+          fix(fixer) {
+            return fixer.removeRange([operator.range[1], nextToken.range[0]]);
+          }
+
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      SpreadElement: checkWhiteSpace,
+      RestElement: checkWhiteSpace,
+      ExperimentalSpreadProperty: checkWhiteSpace,
+      ExperimentalRestProperty: checkWhiteSpace
+    };
+  }
+
+};
+
+/***/ }),
+/* 695 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag missing semicolons.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const FixTracker = __webpack_require__(538);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow semicolons instead of ASI",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/semi"
+    },
+    fixable: "code",
+    schema: {
+      anyOf: [{
+        type: "array",
+        items: [{
+          enum: ["never"]
+        }, {
+          type: "object",
+          properties: {
+            beforeStatementContinuationChars: {
+              enum: ["always", "any", "never"]
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }, {
+        type: "array",
+        items: [{
+          enum: ["always"]
+        }, {
+          type: "object",
+          properties: {
+            omitLastInOneLineBlock: {
+              type: "boolean"
+            }
+          },
+          additionalProperties: false
+        }],
+        minItems: 0,
+        maxItems: 2
+      }]
+    },
+    messages: {
+      missingSemi: "Missing semicolon.",
+      extraSemi: "Extra semicolon."
+    }
+  },
+
+  create(context) {
+    const OPT_OUT_PATTERN = /^[-[(/+`]/u; // One of [(/+-`
+
+    const options = context.options[1];
+    const never = context.options[0] === "never";
+    const exceptOneLine = Boolean(options && options.omitLastInOneLineBlock);
+    const beforeStatementContinuationChars = options && options.beforeStatementContinuationChars || "any";
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Reports a semicolon error with appropriate location and message.
+     * @param {ASTNode} node The node with an extra or missing semicolon.
+     * @param {boolean} missing True if the semicolon is missing.
+     * @returns {void}
+     */
+
+    function report(node, missing) {
+      const lastToken = sourceCode.getLastToken(node);
+      let messageId, fix, loc;
+
+      if (!missing) {
+        messageId = "missingSemi";
+        loc = {
+          start: lastToken.loc.end,
+          end: astUtils.getNextLocation(sourceCode, lastToken.loc.end)
+        };
+
+        fix = function fix(fixer) {
+          return fixer.insertTextAfter(lastToken, ";");
+        };
+      } else {
+        messageId = "extraSemi";
+        loc = lastToken.loc;
+
+        fix = function fix(fixer) {
+          /*
+           * Expand the replacement range to include the surrounding
+           * tokens to avoid conflicting with no-extra-semi.
+           * https://github.com/eslint/eslint/issues/7928
+           */
+          return new FixTracker(fixer, sourceCode).retainSurroundingTokens(lastToken).remove(lastToken);
+        };
+      }
+
+      context.report({
+        node,
+        loc,
+        messageId,
+        fix
+      });
+    }
+    /**
+     * Check whether a given semicolon token is redundant.
+     * @param {Token} semiToken A semicolon token to check.
+     * @returns {boolean} `true` if the next token is `;` or `}`.
+     */
+
+
+    function isRedundantSemi(semiToken) {
+      const nextToken = sourceCode.getTokenAfter(semiToken);
+      return !nextToken || astUtils.isClosingBraceToken(nextToken) || astUtils.isSemicolonToken(nextToken);
+    }
+    /**
+     * Check whether a given token is the closing brace of an arrow function.
+     * @param {Token} lastToken A token to check.
+     * @returns {boolean} `true` if the token is the closing brace of an arrow function.
+     */
+
+
+    function isEndOfArrowBlock(lastToken) {
+      if (!astUtils.isClosingBraceToken(lastToken)) {
+        return false;
+      }
+
+      const node = sourceCode.getNodeByRangeIndex(lastToken.range[0]);
+      return node.type === "BlockStatement" && node.parent.type === "ArrowFunctionExpression";
+    }
+    /**
+     * Check whether a given node is on the same line with the next token.
+     * @param {Node} node A statement node to check.
+     * @returns {boolean} `true` if the node is on the same line with the next token.
+     */
+
+
+    function isOnSameLineWithNextToken(node) {
+      const prevToken = sourceCode.getLastToken(node, 1);
+      const nextToken = sourceCode.getTokenAfter(node);
+      return !!nextToken && astUtils.isTokenOnSameLine(prevToken, nextToken);
+    }
+    /**
+     * Check whether a given node can connect the next line if the next line is unreliable.
+     * @param {Node} node A statement node to check.
+     * @returns {boolean} `true` if the node can connect the next line.
+     */
+
+
+    function maybeAsiHazardAfter(node) {
+      const t = node.type;
+
+      if (t === "DoWhileStatement" || t === "BreakStatement" || t === "ContinueStatement" || t === "DebuggerStatement" || t === "ImportDeclaration" || t === "ExportAllDeclaration") {
+        return false;
+      }
+
+      if (t === "ReturnStatement") {
+        return Boolean(node.argument);
+      }
+
+      if (t === "ExportNamedDeclaration") {
+        return Boolean(node.declaration);
+      }
+
+      if (isEndOfArrowBlock(sourceCode.getLastToken(node, 1))) {
+        return false;
+      }
+
+      return true;
+    }
+    /**
+     * Check whether a given token can connect the previous statement.
+     * @param {Token} token A token to check.
+     * @returns {boolean} `true` if the token is one of `[`, `(`, `/`, `+`, `-`, ```, `++`, and `--`.
+     */
+
+
+    function maybeAsiHazardBefore(token) {
+      return Boolean(token) && OPT_OUT_PATTERN.test(token.value) && token.value !== "++" && token.value !== "--";
+    }
+    /**
+     * Check if the semicolon of a given node is unnecessary, only true if:
+     *   - next token is a valid statement divider (`;` or `}`).
+     *   - next token is on a new line and the node is not connectable to the new line.
+     * @param {Node} node A statement node to check.
+     * @returns {boolean} whether the semicolon is unnecessary.
+     */
+
+
+    function canRemoveSemicolon(node) {
+      if (isRedundantSemi(sourceCode.getLastToken(node))) {
+        return true; // `;;` or `;}`
+      }
+
+      if (isOnSameLineWithNextToken(node)) {
+        return false; // One liner.
+      }
+
+      if (beforeStatementContinuationChars === "never" && !maybeAsiHazardAfter(node)) {
+        return true; // ASI works. This statement doesn't connect to the next.
+      }
+
+      if (!maybeAsiHazardBefore(sourceCode.getTokenAfter(node))) {
+        return true; // ASI works. The next token doesn't connect to this statement.
+      }
+
+      return false;
+    }
+    /**
+     * Checks a node to see if it's in a one-liner block statement.
+     * @param {ASTNode} node The node to check.
+     * @returns {boolean} whether the node is in a one-liner block statement.
+     */
+
+
+    function isOneLinerBlock(node) {
+      const parent = node.parent;
+      const nextToken = sourceCode.getTokenAfter(node);
+
+      if (!nextToken || nextToken.value !== "}") {
+        return false;
+      }
+
+      return !!parent && parent.type === "BlockStatement" && parent.loc.start.line === parent.loc.end.line;
+    }
+    /**
+     * Checks a node to see if it's followed by a semicolon.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkForSemicolon(node) {
+      const isSemi = astUtils.isSemicolonToken(sourceCode.getLastToken(node));
+
+      if (never) {
+        if (isSemi && canRemoveSemicolon(node)) {
+          report(node, true);
+        } else if (!isSemi && beforeStatementContinuationChars === "always" && maybeAsiHazardBefore(sourceCode.getTokenAfter(node))) {
+          report(node);
+        }
+      } else {
+        const oneLinerBlock = exceptOneLine && isOneLinerBlock(node);
+
+        if (isSemi && oneLinerBlock) {
+          report(node, true);
+        } else if (!isSemi && !oneLinerBlock) {
+          report(node);
+        }
+      }
+    }
+    /**
+     * Checks to see if there's a semicolon after a variable declaration.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkForSemicolonForVariableDeclaration(node) {
+      const parent = node.parent;
+
+      if ((parent.type !== "ForStatement" || parent.init !== node) && (!/^For(?:In|Of)Statement/u.test(parent.type) || parent.left !== node)) {
+        checkForSemicolon(node);
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      VariableDeclaration: checkForSemicolonForVariableDeclaration,
+      ExpressionStatement: checkForSemicolon,
+      ReturnStatement: checkForSemicolon,
+      ThrowStatement: checkForSemicolon,
+      DoWhileStatement: checkForSemicolon,
+      DebuggerStatement: checkForSemicolon,
+      BreakStatement: checkForSemicolon,
+      ContinueStatement: checkForSemicolon,
+      ImportDeclaration: checkForSemicolon,
+      ExportAllDeclaration: checkForSemicolon,
+
+      ExportNamedDeclaration(node) {
+        if (!node.declaration) {
+          checkForSemicolon(node);
+        }
+      },
+
+      ExportDefaultDeclaration(node) {
+        if (!/(?:Class|Function)Declaration/u.test(node.declaration.type)) {
+          checkForSemicolon(node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 696 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Validates spacing before and after semicolon
+ * @author Mathias Schreck
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before and after semicolons",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/semi-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        before: {
+          type: "boolean",
+          default: false
+        },
+        after: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedWhitespaceBefore: "Unexpected whitespace before semicolon.",
+      unexpectedWhitespaceAfter: "Unexpected whitespace after semicolon.",
+      missingWhitespaceBefore: "Missing whitespace before semicolon.",
+      missingWhitespaceAfter: "Missing whitespace after semicolon."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0],
+          sourceCode = context.getSourceCode();
+    let requireSpaceBefore = false,
+        requireSpaceAfter = true;
+
+    if (typeof config === "object") {
+      requireSpaceBefore = config.before;
+      requireSpaceAfter = config.after;
+    }
+    /**
+     * Checks if a given token has leading whitespace.
+     * @param {Object} token The token to check.
+     * @returns {boolean} True if the given token has leading space, false if not.
+     */
+
+
+    function hasLeadingSpace(token) {
+      const tokenBefore = sourceCode.getTokenBefore(token);
+      return tokenBefore && astUtils.isTokenOnSameLine(tokenBefore, token) && sourceCode.isSpaceBetweenTokens(tokenBefore, token);
+    }
+    /**
+     * Checks if a given token has trailing whitespace.
+     * @param {Object} token The token to check.
+     * @returns {boolean} True if the given token has trailing space, false if not.
+     */
+
+
+    function hasTrailingSpace(token) {
+      const tokenAfter = sourceCode.getTokenAfter(token);
+      return tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter) && sourceCode.isSpaceBetweenTokens(token, tokenAfter);
+    }
+    /**
+     * Checks if the given token is the last token in its line.
+     * @param {Token} token The token to check.
+     * @returns {boolean} Whether or not the token is the last in its line.
+     */
+
+
+    function isLastTokenInCurrentLine(token) {
+      const tokenAfter = sourceCode.getTokenAfter(token);
+      return !(tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter));
+    }
+    /**
+     * Checks if the given token is the first token in its line
+     * @param {Token} token The token to check.
+     * @returns {boolean} Whether or not the token is the first in its line.
+     */
+
+
+    function isFirstTokenInCurrentLine(token) {
+      const tokenBefore = sourceCode.getTokenBefore(token);
+      return !(tokenBefore && astUtils.isTokenOnSameLine(token, tokenBefore));
+    }
+    /**
+     * Checks if the next token of a given token is a closing parenthesis.
+     * @param {Token} token The token to check.
+     * @returns {boolean} Whether or not the next token of a given token is a closing parenthesis.
+     */
+
+
+    function isBeforeClosingParen(token) {
+      const nextToken = sourceCode.getTokenAfter(token);
+      return nextToken && astUtils.isClosingBraceToken(nextToken) || astUtils.isClosingParenToken(nextToken);
+    }
+    /**
+     * Reports if the given token has invalid spacing.
+     * @param {Token} token The semicolon token to check.
+     * @param {ASTNode} node The corresponding node of the token.
+     * @returns {void}
+     */
+
+
+    function checkSemicolonSpacing(token, node) {
+      if (astUtils.isSemicolonToken(token)) {
+        const location = token.loc.start;
+
+        if (hasLeadingSpace(token)) {
+          if (!requireSpaceBefore) {
+            context.report({
+              node,
+              loc: location,
+              messageId: "unexpectedWhitespaceBefore",
+
+              fix(fixer) {
+                const tokenBefore = sourceCode.getTokenBefore(token);
+                return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
+              }
+
+            });
+          }
+        } else {
+          if (requireSpaceBefore) {
+            context.report({
+              node,
+              loc: location,
+              messageId: "missingWhitespaceBefore",
+
+              fix(fixer) {
+                return fixer.insertTextBefore(token, " ");
+              }
+
+            });
+          }
+        }
+
+        if (!isFirstTokenInCurrentLine(token) && !isLastTokenInCurrentLine(token) && !isBeforeClosingParen(token)) {
+          if (hasTrailingSpace(token)) {
+            if (!requireSpaceAfter) {
+              context.report({
+                node,
+                loc: location,
+                messageId: "unexpectedWhitespaceAfter",
+
+                fix(fixer) {
+                  const tokenAfter = sourceCode.getTokenAfter(token);
+                  return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
+                }
+
+              });
+            }
+          } else {
+            if (requireSpaceAfter) {
+              context.report({
+                node,
+                loc: location,
+                messageId: "missingWhitespaceAfter",
+
+                fix(fixer) {
+                  return fixer.insertTextAfter(token, " ");
+                }
+
+              });
+            }
+          }
+        }
+      }
+    }
+    /**
+     * Checks the spacing of the semicolon with the assumption that the last token is the semicolon.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkNode(node) {
+      const token = sourceCode.getLastToken(node);
+      checkSemicolonSpacing(token, node);
+    }
+
+    return {
+      VariableDeclaration: checkNode,
+      ExpressionStatement: checkNode,
+      BreakStatement: checkNode,
+      ContinueStatement: checkNode,
+      DebuggerStatement: checkNode,
+      ReturnStatement: checkNode,
+      ThrowStatement: checkNode,
+      ImportDeclaration: checkNode,
+      ExportNamedDeclaration: checkNode,
+      ExportAllDeclaration: checkNode,
+      ExportDefaultDeclaration: checkNode,
+
+      ForStatement(node) {
+        if (node.init) {
+          checkSemicolonSpacing(sourceCode.getTokenAfter(node.init), node);
+        }
+
+        if (node.test) {
+          checkSemicolonSpacing(sourceCode.getTokenAfter(node.test), node);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 697 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce location of semicolons.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+const SELECTOR = ":matches(".concat(["BreakStatement", "ContinueStatement", "DebuggerStatement", "DoWhileStatement", "ExportAllDeclaration", "ExportDefaultDeclaration", "ExportNamedDeclaration", "ExpressionStatement", "ImportDeclaration", "ReturnStatement", "ThrowStatement", "VariableDeclaration"].join(","), ")");
+/**
+ * Get the child node list of a given node.
+ * This returns `Program#body`, `BlockStatement#body`, or `SwitchCase#consequent`.
+ * This is used to check whether a node is the first/last child.
+ * @param {Node} node A node to get child node list.
+ * @returns {Node[]|null} The child node list.
+ */
+
+function getChildren(node) {
+  const t = node.type;
+
+  if (t === "BlockStatement" || t === "Program") {
+    return node.body;
+  }
+
+  if (t === "SwitchCase") {
+    return node.consequent;
+  }
+
+  return null;
+}
+/**
+ * Check whether a given node is the last statement in the parent block.
+ * @param {Node} node A node to check.
+ * @returns {boolean} `true` if the node is the last statement in the parent block.
+ */
+
+
+function isLastChild(node) {
+  const t = node.parent.type;
+
+  if (t === "IfStatement" && node.parent.consequent === node && node.parent.alternate) {
+    // before `else` keyword.
+    return true;
+  }
+
+  if (t === "DoWhileStatement") {
+    // before `while` keyword.
+    return true;
+  }
+
+  const nodeList = getChildren(node.parent);
+  return nodeList !== null && nodeList[nodeList.length - 1] === node; // before `}` or etc.
+}
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce location of semicolons",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/semi-style"
+    },
+    schema: [{
+      enum: ["last", "first"]
+    }],
+    fixable: "whitespace",
+    messages: {
+      expectedSemiColon: "Expected this semicolon to be at {{pos}}."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const option = context.options[0] || "last";
+    /**
+     * Check the given semicolon token.
+     * @param {Token} semiToken The semicolon token to check.
+     * @param {"first"|"last"} expected The expected location to check.
+     * @returns {void}
+     */
+
+    function check(semiToken, expected) {
+      const prevToken = sourceCode.getTokenBefore(semiToken);
+      const nextToken = sourceCode.getTokenAfter(semiToken);
+      const prevIsSameLine = !prevToken || astUtils.isTokenOnSameLine(prevToken, semiToken);
+      const nextIsSameLine = !nextToken || astUtils.isTokenOnSameLine(semiToken, nextToken);
+
+      if (expected === "last" && !prevIsSameLine || expected === "first" && !nextIsSameLine) {
+        context.report({
+          loc: semiToken.loc,
+          messageId: "expectedSemiColon",
+          data: {
+            pos: expected === "last" ? "the end of the previous line" : "the beginning of the next line"
+          },
+
+          fix(fixer) {
+            if (prevToken && nextToken && sourceCode.commentsExistBetween(prevToken, nextToken)) {
+              return null;
+            }
+
+            const start = prevToken ? prevToken.range[1] : semiToken.range[0];
+            const end = nextToken ? nextToken.range[0] : semiToken.range[1];
+            const text = expected === "last" ? ";\n" : "\n;";
+            return fixer.replaceTextRange([start, end], text);
+          }
+
+        });
+      }
+    }
+
+    return {
+      [SELECTOR](node) {
+        if (option === "first" && isLastChild(node)) {
+          return;
+        }
+
+        const lastToken = sourceCode.getLastToken(node);
+
+        if (astUtils.isSemicolonToken(lastToken)) {
+          check(lastToken, option);
+        }
+      },
+
+      ForStatement(node) {
+        const firstSemi = node.init && sourceCode.getTokenAfter(node.init, astUtils.isSemicolonToken);
+        const secondSemi = node.test && sourceCode.getTokenAfter(node.test, astUtils.isSemicolonToken);
+
+        if (firstSemi) {
+          check(firstSemi, "last");
+        }
+
+        if (secondSemi) {
+          check(secondSemi, "last");
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 698 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require sorting of import declarations
+ * @author Christian Schuller
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce sorted import declarations within modules",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/sort-imports"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        ignoreCase: {
+          type: "boolean",
+          default: false
+        },
+        memberSyntaxSortOrder: {
+          type: "array",
+          items: {
+            enum: ["none", "all", "multiple", "single"]
+          },
+          uniqueItems: true,
+          minItems: 4,
+          maxItems: 4
+        },
+        ignoreDeclarationSort: {
+          type: "boolean",
+          default: false
+        },
+        ignoreMemberSort: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      sortImportsAlphabetically: "Imports should be sorted alphabetically.",
+      sortMembersAlphabetically: "Member '{{memberName}}' of the import declaration should be sorted alphabetically.",
+      unexpectedSyntaxOrder: "Expected '{{syntaxA}}' syntax before '{{syntaxB}}' syntax."
+    }
+  },
+
+  create(context) {
+    const configuration = context.options[0] || {},
+          ignoreCase = configuration.ignoreCase || false,
+          ignoreDeclarationSort = configuration.ignoreDeclarationSort || false,
+          ignoreMemberSort = configuration.ignoreMemberSort || false,
+          memberSyntaxSortOrder = configuration.memberSyntaxSortOrder || ["none", "all", "multiple", "single"],
+          sourceCode = context.getSourceCode();
+    let previousDeclaration = null;
+    /**
+     * Gets the used member syntax style.
+     *
+     * import "my-module.js" --> none
+     * import * as myModule from "my-module.js" --> all
+     * import {myMember} from "my-module.js" --> single
+     * import {foo, bar} from  "my-module.js" --> multiple
+     * @param {ASTNode} node the ImportDeclaration node.
+     * @returns {string} used member parameter style, ["all", "multiple", "single"]
+     */
+
+    function usedMemberSyntax(node) {
+      if (node.specifiers.length === 0) {
+        return "none";
+      }
+
+      if (node.specifiers[0].type === "ImportNamespaceSpecifier") {
+        return "all";
+      }
+
+      if (node.specifiers.length === 1) {
+        return "single";
+      }
+
+      return "multiple";
+    }
+    /**
+     * Gets the group by member parameter index for given declaration.
+     * @param {ASTNode} node the ImportDeclaration node.
+     * @returns {number} the declaration group by member index.
+     */
+
+
+    function getMemberParameterGroupIndex(node) {
+      return memberSyntaxSortOrder.indexOf(usedMemberSyntax(node));
+    }
+    /**
+     * Gets the local name of the first imported module.
+     * @param {ASTNode} node the ImportDeclaration node.
+     * @returns {?string} the local name of the first imported module.
+     */
+
+
+    function getFirstLocalMemberName(node) {
+      if (node.specifiers[0]) {
+        return node.specifiers[0].local.name;
+      }
+
+      return null;
+    }
+
+    return {
+      ImportDeclaration(node) {
+        if (!ignoreDeclarationSort) {
+          if (previousDeclaration) {
+            const currentMemberSyntaxGroupIndex = getMemberParameterGroupIndex(node),
+                  previousMemberSyntaxGroupIndex = getMemberParameterGroupIndex(previousDeclaration);
+            let currentLocalMemberName = getFirstLocalMemberName(node),
+                previousLocalMemberName = getFirstLocalMemberName(previousDeclaration);
+
+            if (ignoreCase) {
+              previousLocalMemberName = previousLocalMemberName && previousLocalMemberName.toLowerCase();
+              currentLocalMemberName = currentLocalMemberName && currentLocalMemberName.toLowerCase();
+            }
+            /*
+             * When the current declaration uses a different member syntax,
+             * then check if the ordering is correct.
+             * Otherwise, make a default string compare (like rule sort-vars to be consistent) of the first used local member name.
+             */
+
+
+            if (currentMemberSyntaxGroupIndex !== previousMemberSyntaxGroupIndex) {
+              if (currentMemberSyntaxGroupIndex < previousMemberSyntaxGroupIndex) {
+                context.report({
+                  node,
+                  messageId: "unexpectedSyntaxOrder",
+                  data: {
+                    syntaxA: memberSyntaxSortOrder[currentMemberSyntaxGroupIndex],
+                    syntaxB: memberSyntaxSortOrder[previousMemberSyntaxGroupIndex]
+                  }
+                });
+              }
+            } else {
+              if (previousLocalMemberName && currentLocalMemberName && currentLocalMemberName < previousLocalMemberName) {
+                context.report({
+                  node,
+                  messageId: "sortImportsAlphabetically"
+                });
+              }
+            }
+          }
+
+          previousDeclaration = node;
+        }
+
+        if (!ignoreMemberSort) {
+          const importSpecifiers = node.specifiers.filter(specifier => specifier.type === "ImportSpecifier");
+          const getSortableName = ignoreCase ? specifier => specifier.local.name.toLowerCase() : specifier => specifier.local.name;
+          const firstUnsortedIndex = importSpecifiers.map(getSortableName).findIndex((name, index, array) => array[index - 1] > name);
+
+          if (firstUnsortedIndex !== -1) {
+            context.report({
+              node: importSpecifiers[firstUnsortedIndex],
+              messageId: "sortMembersAlphabetically",
+              data: {
+                memberName: importSpecifiers[firstUnsortedIndex].local.name
+              },
+
+              fix(fixer) {
+                if (importSpecifiers.some(specifier => sourceCode.getCommentsBefore(specifier).length || sourceCode.getCommentsAfter(specifier).length)) {
+                  // If there are comments in the ImportSpecifier list, don't rearrange the specifiers.
+                  return null;
+                }
+
+                return fixer.replaceTextRange([importSpecifiers[0].range[0], importSpecifiers[importSpecifiers.length - 1].range[1]], importSpecifiers // Clone the importSpecifiers array to avoid mutating it
+                .slice() // Sort the array into the desired order
+                .sort((specifierA, specifierB) => {
+                  const aName = getSortableName(specifierA);
+                  const bName = getSortableName(specifierB);
+                  return aName > bName ? 1 : -1;
+                }) // Build a string out of the sorted list of import specifiers and the text between the originals
+                .reduce((sourceText, specifier, index) => {
+                  const textAfterSpecifier = index === importSpecifiers.length - 1 ? "" : sourceCode.getText().slice(importSpecifiers[index].range[1], importSpecifiers[index + 1].range[0]);
+                  return sourceText + sourceCode.getText(specifier) + textAfterSpecifier;
+                }, ""));
+              }
+
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 699 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require object keys to be sorted
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426),
+      naturalCompare = __webpack_require__(700); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the property name of the given `Property` node.
+ *
+ * - If the property's key is an `Identifier` node, this returns the key's name
+ *   whether it's a computed property or not.
+ * - If the property has a static name, this returns the static name.
+ * - Otherwise, this returns null.
+ * @param {ASTNode} node The `Property` node to get.
+ * @returns {string|null} The property name or null.
+ * @private
+ */
+
+
+function getPropertyName(node) {
+  const staticName = astUtils.getStaticPropertyName(node);
+
+  if (staticName !== null) {
+    return staticName;
+  }
+
+  return node.key.name || null;
+}
+/**
+ * Functions which check that the given 2 names are in specific order.
+ *
+ * Postfix `I` is meant insensitive.
+ * Postfix `N` is meant natural.
+ * @private
+ */
+
+
+const isValidOrders = {
+  asc(a, b) {
+    return a <= b;
+  },
+
+  ascI(a, b) {
+    return a.toLowerCase() <= b.toLowerCase();
+  },
+
+  ascN(a, b) {
+    return naturalCompare(a, b) <= 0;
+  },
+
+  ascIN(a, b) {
+    return naturalCompare(a.toLowerCase(), b.toLowerCase()) <= 0;
+  },
+
+  desc(a, b) {
+    return isValidOrders.asc(b, a);
+  },
+
+  descI(a, b) {
+    return isValidOrders.ascI(b, a);
+  },
+
+  descN(a, b) {
+    return isValidOrders.ascN(b, a);
+  },
+
+  descIN(a, b) {
+    return isValidOrders.ascIN(b, a);
+  }
+
+}; //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require object keys to be sorted",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/sort-keys"
+    },
+    schema: [{
+      enum: ["asc", "desc"]
+    }, {
+      type: "object",
+      properties: {
+        caseSensitive: {
+          type: "boolean",
+          default: true
+        },
+        natural: {
+          type: "boolean",
+          default: false
+        },
+        minKeys: {
+          type: "integer",
+          minimum: 2,
+          default: 2
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      sortKeys: "Expected object keys to be in {{natural}}{{insensitive}}{{order}}ending order. '{{thisName}}' should be before '{{prevName}}'."
+    }
+  },
+
+  create(context) {
+    // Parse options.
+    const order = context.options[0] || "asc";
+    const options = context.options[1];
+    const insensitive = options && options.caseSensitive === false;
+    const natural = options && options.natural;
+    const minKeys = options && options.minKeys;
+    const isValidOrder = isValidOrders[order + (insensitive ? "I" : "") + (natural ? "N" : "")]; // The stack to save the previous property's name for each object literals.
+
+    let stack = null;
+    return {
+      ObjectExpression(node) {
+        stack = {
+          upper: stack,
+          prevName: null,
+          numKeys: node.properties.length
+        };
+      },
+
+      "ObjectExpression:exit"() {
+        stack = stack.upper;
+      },
+
+      SpreadElement(node) {
+        if (node.parent.type === "ObjectExpression") {
+          stack.prevName = null;
+        }
+      },
+
+      Property(node) {
+        if (node.parent.type === "ObjectPattern") {
+          return;
+        }
+
+        const prevName = stack.prevName;
+        const numKeys = stack.numKeys;
+        const thisName = getPropertyName(node);
+
+        if (thisName !== null) {
+          stack.prevName = thisName;
+        }
+
+        if (prevName === null || thisName === null || numKeys < minKeys) {
+          return;
+        }
+
+        if (!isValidOrder(prevName, thisName)) {
+          context.report({
+            node,
+            loc: node.key.loc,
+            messageId: "sortKeys",
+            data: {
+              thisName,
+              prevName,
+              order,
+              insensitive: insensitive ? "insensitive " : "",
+              natural: natural ? "natural " : ""
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 700 */
+/***/ (function(module, exports) {
+
+/*
+ * @version    1.4.0
+ * @date       2015-10-26
+ * @stability  3 - Stable
+ * @author     Lauri Rooden (https://github.com/litejs/natural-compare-lite)
+ * @license    MIT License
+ */
+var naturalCompare = function naturalCompare(a, b) {
+  var i,
+      codeA,
+      codeB = 1,
+      posA = 0,
+      posB = 0,
+      alphabet = String.alphabet;
+
+  function getCode(str, pos, code) {
+    if (code) {
+      for (i = pos; code = getCode(str, i), code < 76 && code > 65;) ++i;
+
+      return +str.slice(pos - 1, i);
+    }
+
+    code = alphabet && alphabet.indexOf(str.charAt(pos));
+    return code > -1 ? code + 76 : (code = str.charCodeAt(pos) || 0, code < 45 || code > 127) ? code : code < 46 ? 65 // -
+    : code < 48 ? code - 1 : code < 58 ? code + 18 // 0-9
+    : code < 65 ? code - 11 : code < 91 ? code + 11 // A-Z
+    : code < 97 ? code - 37 : code < 123 ? code + 5 // a-z
+    : code - 63;
+  }
+
+  if ((a += "") != (b += "")) for (; codeB;) {
+    codeA = getCode(a, posA++);
+    codeB = getCode(b, posB++);
+
+    if (codeA < 76 && codeB < 76 && codeA > 66 && codeB > 66) {
+      codeA = getCode(a, posA, posA);
+      codeB = getCode(b, posB, posA = i);
+      posB = i;
+    }
+
+    if (codeA != codeB) return codeA < codeB ? -1 : 1;
+  }
+  return 0;
+};
+
+try {
+  module.exports = naturalCompare;
+} catch (e) {
+  String.naturalCompare = naturalCompare;
+}
+
+/***/ }),
+/* 701 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require sorting of variables within a single Variable Declaration block
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require variables within the same declaration block to be sorted",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/sort-vars"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        ignoreCase: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      sortVars: "Variables within the same declaration block should be sorted alphabetically."
+    }
+  },
+
+  create(context) {
+    const configuration = context.options[0] || {},
+          ignoreCase = configuration.ignoreCase || false,
+          sourceCode = context.getSourceCode();
+    return {
+      VariableDeclaration(node) {
+        const idDeclarations = node.declarations.filter(decl => decl.id.type === "Identifier");
+        const getSortableName = ignoreCase ? decl => decl.id.name.toLowerCase() : decl => decl.id.name;
+        const unfixable = idDeclarations.some(decl => decl.init !== null && decl.init.type !== "Literal");
+        let fixed = false;
+        idDeclarations.slice(1).reduce((memo, decl) => {
+          const lastVariableName = getSortableName(memo),
+                currentVariableName = getSortableName(decl);
+
+          if (currentVariableName < lastVariableName) {
+            context.report({
+              node: decl,
+              messageId: "sortVars",
+
+              fix(fixer) {
+                if (unfixable || fixed) {
+                  return null;
+                }
+
+                return fixer.replaceTextRange([idDeclarations[0].range[0], idDeclarations[idDeclarations.length - 1].range[1]], idDeclarations // Clone the idDeclarations array to avoid mutating it
+                .slice() // Sort the array into the desired order
+                .sort((declA, declB) => {
+                  const aName = getSortableName(declA);
+                  const bName = getSortableName(declB);
+                  return aName > bName ? 1 : -1;
+                }) // Build a string out of the sorted list of identifier declarations and the text between the originals
+                .reduce((sourceText, identifier, index) => {
+                  const textAfterIdentifier = index === idDeclarations.length - 1 ? "" : sourceCode.getText().slice(idDeclarations[index].range[1], idDeclarations[index + 1].range[0]);
+                  return sourceText + sourceCode.getText(identifier) + textAfterIdentifier;
+                }, ""));
+              }
+
+            });
+            fixed = true;
+            return memo;
+          }
+
+          return decl;
+        }, idDeclarations[0]);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 702 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A rule to ensure whitespace before blocks.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before blocks",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/space-before-blocks"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never"]
+      }, {
+        type: "object",
+        properties: {
+          keywords: {
+            enum: ["always", "never", "off"]
+          },
+          functions: {
+            enum: ["always", "never", "off"]
+          },
+          classes: {
+            enum: ["always", "never", "off"]
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      unexpectedSpace: "Unexpected space before opening brace.",
+      missingSpace: "Missing space before opening brace."
+    }
+  },
+
+  create(context) {
+    const config = context.options[0],
+          sourceCode = context.getSourceCode();
+    let alwaysFunctions = true,
+        alwaysKeywords = true,
+        alwaysClasses = true,
+        neverFunctions = false,
+        neverKeywords = false,
+        neverClasses = false;
+
+    if (typeof config === "object") {
+      alwaysFunctions = config.functions === "always";
+      alwaysKeywords = config.keywords === "always";
+      alwaysClasses = config.classes === "always";
+      neverFunctions = config.functions === "never";
+      neverKeywords = config.keywords === "never";
+      neverClasses = config.classes === "never";
+    } else if (config === "never") {
+      alwaysFunctions = false;
+      alwaysKeywords = false;
+      alwaysClasses = false;
+      neverFunctions = true;
+      neverKeywords = true;
+      neverClasses = true;
+    }
+    /**
+     * Checks whether or not a given token is an arrow operator (=>) or a keyword
+     * in order to avoid to conflict with `arrow-spacing` and `keyword-spacing`.
+     * @param {Token} token A token to check.
+     * @returns {boolean} `true` if the token is an arrow operator.
+     */
+
+
+    function isConflicted(token) {
+      return token.type === "Punctuator" && token.value === "=>" || token.type === "Keyword";
+    }
+    /**
+     * Checks the given BlockStatement node has a preceding space if it doesn’t start on a new line.
+     * @param {ASTNode|Token} node The AST node of a BlockStatement.
+     * @returns {void} undefined.
+     */
+
+
+    function checkPrecedingSpace(node) {
+      const precedingToken = sourceCode.getTokenBefore(node);
+
+      if (precedingToken && !isConflicted(precedingToken) && astUtils.isTokenOnSameLine(precedingToken, node)) {
+        const hasSpace = sourceCode.isSpaceBetweenTokens(precedingToken, node);
+        const parent = context.getAncestors().pop();
+        let requireSpace;
+        let requireNoSpace;
+
+        if (parent.type === "FunctionExpression" || parent.type === "FunctionDeclaration") {
+          requireSpace = alwaysFunctions;
+          requireNoSpace = neverFunctions;
+        } else if (node.type === "ClassBody") {
+          requireSpace = alwaysClasses;
+          requireNoSpace = neverClasses;
+        } else {
+          requireSpace = alwaysKeywords;
+          requireNoSpace = neverKeywords;
+        }
+
+        if (requireSpace && !hasSpace) {
+          context.report({
+            node,
+            messageId: "missingSpace",
+
+            fix(fixer) {
+              return fixer.insertTextBefore(node, " ");
+            }
+
+          });
+        } else if (requireNoSpace && hasSpace) {
+          context.report({
+            node,
+            messageId: "unexpectedSpace",
+
+            fix(fixer) {
+              return fixer.removeRange([precedingToken.range[1], node.range[0]]);
+            }
+
+          });
+        }
+      }
+    }
+    /**
+     * Checks if the CaseBlock of an given SwitchStatement node has a preceding space.
+     * @param {ASTNode} node The node of a SwitchStatement.
+     * @returns {void} undefined.
+     */
+
+
+    function checkSpaceBeforeCaseBlock(node) {
+      const cases = node.cases;
+      let openingBrace;
+
+      if (cases.length > 0) {
+        openingBrace = sourceCode.getTokenBefore(cases[0]);
+      } else {
+        openingBrace = sourceCode.getLastToken(node, 1);
+      }
+
+      checkPrecedingSpace(openingBrace);
+    }
+
+    return {
+      BlockStatement: checkPrecedingSpace,
+      ClassBody: checkPrecedingSpace,
+      SwitchStatement: checkSpaceBeforeCaseBlock
+    };
+  }
+
+};
+
+/***/ }),
+/* 703 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to validate spacing before function paren.
+ * @author Mathias Schreck <https://github.com/lo1tuma>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before `function` definition opening parenthesis",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/space-before-function-paren"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["always", "never"]
+      }, {
+        type: "object",
+        properties: {
+          anonymous: {
+            enum: ["always", "never", "ignore"]
+          },
+          named: {
+            enum: ["always", "never", "ignore"]
+          },
+          asyncArrow: {
+            enum: ["always", "never", "ignore"]
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      unexpectedSpace: "Unexpected space before function parentheses.",
+      missingSpace: "Missing space before function parentheses."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const baseConfig = typeof context.options[0] === "string" ? context.options[0] : "always";
+    const overrideConfig = typeof context.options[0] === "object" ? context.options[0] : {};
+    /**
+     * Determines whether a function has a name.
+     * @param {ASTNode} node The function node.
+     * @returns {boolean} Whether the function has a name.
+     */
+
+    function isNamedFunction(node) {
+      if (node.id) {
+        return true;
+      }
+
+      const parent = node.parent;
+      return parent.type === "MethodDefinition" || parent.type === "Property" && (parent.kind === "get" || parent.kind === "set" || parent.method);
+    }
+    /**
+     * Gets the config for a given function
+     * @param {ASTNode} node The function node
+     * @returns {string} "always", "never", or "ignore"
+     */
+
+
+    function getConfigForFunction(node) {
+      if (node.type === "ArrowFunctionExpression") {
+        // Always ignore non-async functions and arrow functions without parens, e.g. async foo => bar
+        if (node.async && astUtils.isOpeningParenToken(sourceCode.getFirstToken(node, {
+          skip: 1
+        }))) {
+          return overrideConfig.asyncArrow || baseConfig;
+        }
+      } else if (isNamedFunction(node)) {
+        return overrideConfig.named || baseConfig; // `generator-star-spacing` should warn anonymous generators. E.g. `function* () {}`
+      } else if (!node.generator) {
+        return overrideConfig.anonymous || baseConfig;
+      }
+
+      return "ignore";
+    }
+    /**
+     * Checks the parens of a function node
+     * @param {ASTNode} node A function node
+     * @returns {void}
+     */
+
+
+    function checkFunction(node) {
+      const functionConfig = getConfigForFunction(node);
+
+      if (functionConfig === "ignore") {
+        return;
+      }
+
+      const rightToken = sourceCode.getFirstToken(node, astUtils.isOpeningParenToken);
+      const leftToken = sourceCode.getTokenBefore(rightToken);
+      const hasSpacing = sourceCode.isSpaceBetweenTokens(leftToken, rightToken);
+
+      if (hasSpacing && functionConfig === "never") {
+        context.report({
+          node,
+          loc: leftToken.loc.end,
+          messageId: "unexpectedSpace",
+
+          fix(fixer) {
+            const comments = sourceCode.getCommentsBefore(rightToken); // Don't fix anything if there's a single line comment between the left and the right token
+
+            if (comments.some(comment => comment.type === "Line")) {
+              return null;
+            }
+
+            return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], comments.reduce((text, comment) => text + sourceCode.getText(comment), ""));
+          }
+
+        });
+      } else if (!hasSpacing && functionConfig === "always") {
+        context.report({
+          node,
+          loc: leftToken.loc.end,
+          messageId: "missingSpace",
+          fix: fixer => fixer.insertTextAfter(leftToken, " ")
+        });
+      }
+    }
+
+    return {
+      ArrowFunctionExpression: checkFunction,
+      FunctionDeclaration: checkFunction,
+      FunctionExpression: checkFunction
+    };
+  }
+
+};
+
+/***/ }),
+/* 704 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Disallows or enforces spaces inside of parentheses.
+ * @author Jonathan Rajavuori
+ */
+
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing inside parentheses",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/space-in-parens"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            enum: ["{}", "[]", "()", "empty"]
+          },
+          uniqueItems: true
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingOpeningSpace: "There must be a space after this paren.",
+      missingClosingSpace: "There must be a space before this paren.",
+      rejectedOpeningSpace: "There should be no space after this paren.",
+      rejectedClosingSpace: "There should be no space before this paren."
+    }
+  },
+
+  create(context) {
+    const ALWAYS = context.options[0] === "always",
+          exceptionsArrayOptions = context.options[1] && context.options[1].exceptions || [],
+          options = {};
+    let exceptions;
+
+    if (exceptionsArrayOptions.length) {
+      options.braceException = exceptionsArrayOptions.includes("{}");
+      options.bracketException = exceptionsArrayOptions.includes("[]");
+      options.parenException = exceptionsArrayOptions.includes("()");
+      options.empty = exceptionsArrayOptions.includes("empty");
+    }
+    /**
+     * Produces an object with the opener and closer exception values
+     * @returns {Object} `openers` and `closers` exception values
+     * @private
+     */
+
+
+    function getExceptions() {
+      const openers = [],
+            closers = [];
+
+      if (options.braceException) {
+        openers.push("{");
+        closers.push("}");
+      }
+
+      if (options.bracketException) {
+        openers.push("[");
+        closers.push("]");
+      }
+
+      if (options.parenException) {
+        openers.push("(");
+        closers.push(")");
+      }
+
+      if (options.empty) {
+        openers.push(")");
+        closers.push("(");
+      }
+
+      return {
+        openers,
+        closers
+      };
+    } //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+
+    const sourceCode = context.getSourceCode();
+    /**
+     * Determines if a token is one of the exceptions for the opener paren
+     * @param {Object} token The token to check
+     * @returns {boolean} True if the token is one of the exceptions for the opener paren
+     */
+
+    function isOpenerException(token) {
+      return exceptions.openers.includes(token.value);
+    }
+    /**
+     * Determines if a token is one of the exceptions for the closer paren
+     * @param {Object} token The token to check
+     * @returns {boolean} True if the token is one of the exceptions for the closer paren
+     */
+
+
+    function isCloserException(token) {
+      return exceptions.closers.includes(token.value);
+    }
+    /**
+     * Determines if an opening paren is immediately followed by a required space
+     * @param {Object} openingParenToken The paren token
+     * @param {Object} tokenAfterOpeningParen The token after it
+     * @returns {boolean} True if the opening paren is missing a required space
+     */
+
+
+    function openerMissingSpace(openingParenToken, tokenAfterOpeningParen) {
+      if (sourceCode.isSpaceBetweenTokens(openingParenToken, tokenAfterOpeningParen)) {
+        return false;
+      }
+
+      if (!options.empty && astUtils.isClosingParenToken(tokenAfterOpeningParen)) {
+        return false;
+      }
+
+      if (ALWAYS) {
+        return !isOpenerException(tokenAfterOpeningParen);
+      }
+
+      return isOpenerException(tokenAfterOpeningParen);
+    }
+    /**
+     * Determines if an opening paren is immediately followed by a disallowed space
+     * @param {Object} openingParenToken The paren token
+     * @param {Object} tokenAfterOpeningParen The token after it
+     * @returns {boolean} True if the opening paren has a disallowed space
+     */
+
+
+    function openerRejectsSpace(openingParenToken, tokenAfterOpeningParen) {
+      if (!astUtils.isTokenOnSameLine(openingParenToken, tokenAfterOpeningParen)) {
+        return false;
+      }
+
+      if (tokenAfterOpeningParen.type === "Line") {
+        return false;
+      }
+
+      if (!sourceCode.isSpaceBetweenTokens(openingParenToken, tokenAfterOpeningParen)) {
+        return false;
+      }
+
+      if (ALWAYS) {
+        return isOpenerException(tokenAfterOpeningParen);
+      }
+
+      return !isOpenerException(tokenAfterOpeningParen);
+    }
+    /**
+     * Determines if a closing paren is immediately preceded by a required space
+     * @param {Object} tokenBeforeClosingParen The token before the paren
+     * @param {Object} closingParenToken The paren token
+     * @returns {boolean} True if the closing paren is missing a required space
+     */
+
+
+    function closerMissingSpace(tokenBeforeClosingParen, closingParenToken) {
+      if (sourceCode.isSpaceBetweenTokens(tokenBeforeClosingParen, closingParenToken)) {
+        return false;
+      }
+
+      if (!options.empty && astUtils.isOpeningParenToken(tokenBeforeClosingParen)) {
+        return false;
+      }
+
+      if (ALWAYS) {
+        return !isCloserException(tokenBeforeClosingParen);
+      }
+
+      return isCloserException(tokenBeforeClosingParen);
+    }
+    /**
+     * Determines if a closer paren is immediately preceded by a disallowed space
+     * @param {Object} tokenBeforeClosingParen The token before the paren
+     * @param {Object} closingParenToken The paren token
+     * @returns {boolean} True if the closing paren has a disallowed space
+     */
+
+
+    function closerRejectsSpace(tokenBeforeClosingParen, closingParenToken) {
+      if (!astUtils.isTokenOnSameLine(tokenBeforeClosingParen, closingParenToken)) {
+        return false;
+      }
+
+      if (!sourceCode.isSpaceBetweenTokens(tokenBeforeClosingParen, closingParenToken)) {
+        return false;
+      }
+
+      if (ALWAYS) {
+        return isCloserException(tokenBeforeClosingParen);
+      }
+
+      return !isCloserException(tokenBeforeClosingParen);
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      Program: function checkParenSpaces(node) {
+        exceptions = getExceptions();
+        const tokens = sourceCode.tokensAndComments;
+        tokens.forEach((token, i) => {
+          const prevToken = tokens[i - 1];
+          const nextToken = tokens[i + 1]; // if token is not an opening or closing paren token, do nothing
+
+          if (!astUtils.isOpeningParenToken(token) && !astUtils.isClosingParenToken(token)) {
+            return;
+          } // if token is an opening paren and is not followed by a required space
+
+
+          if (token.value === "(" && openerMissingSpace(token, nextToken)) {
+            context.report({
+              node,
+              loc: token.loc,
+              messageId: "missingOpeningSpace",
+
+              fix(fixer) {
+                return fixer.insertTextAfter(token, " ");
+              }
+
+            });
+          } // if token is an opening paren and is followed by a disallowed space
+
+
+          if (token.value === "(" && openerRejectsSpace(token, nextToken)) {
+            context.report({
+              node,
+              loc: {
+                start: token.loc.end,
+                end: nextToken.loc.start
+              },
+              messageId: "rejectedOpeningSpace",
+
+              fix(fixer) {
+                return fixer.removeRange([token.range[1], nextToken.range[0]]);
+              }
+
+            });
+          } // if token is a closing paren and is not preceded by a required space
+
+
+          if (token.value === ")" && closerMissingSpace(prevToken, token)) {
+            context.report({
+              node,
+              loc: token.loc,
+              messageId: "missingClosingSpace",
+
+              fix(fixer) {
+                return fixer.insertTextBefore(token, " ");
+              }
+
+            });
+          } // if token is a closing paren and is preceded by a disallowed space
+
+
+          if (token.value === ")" && closerRejectsSpace(prevToken, token)) {
+            context.report({
+              node,
+              loc: {
+                start: prevToken.loc.end,
+                end: token.loc.start
+              },
+              messageId: "rejectedClosingSpace",
+
+              fix(fixer) {
+                return fixer.removeRange([prevToken.range[1], token.range[0]]);
+              }
+
+            });
+          }
+        });
+      }
+    };
+  }
+
+};
+
+/***/ }),
+/* 705 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Require spaces around infix operators
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require spacing around infix operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/space-infix-ops"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        int32Hint: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      missingSpace: "Operator '{{operator}}' must be spaced."
+    }
+  },
+
+  create(context) {
+    const int32Hint = context.options[0] ? context.options[0].int32Hint === true : false;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Returns the first token which violates the rule
+     * @param {ASTNode} left The left node of the main node
+     * @param {ASTNode} right The right node of the main node
+     * @param {string} op The operator of the main node
+     * @returns {Object} The violator token or null
+     * @private
+     */
+
+    function getFirstNonSpacedToken(left, right, op) {
+      const operator = sourceCode.getFirstTokenBetween(left, right, token => token.value === op);
+      const prev = sourceCode.getTokenBefore(operator);
+      const next = sourceCode.getTokenAfter(operator);
+
+      if (!sourceCode.isSpaceBetweenTokens(prev, operator) || !sourceCode.isSpaceBetweenTokens(operator, next)) {
+        return operator;
+      }
+
+      return null;
+    }
+    /**
+     * Reports an AST node as a rule violation
+     * @param {ASTNode} mainNode The node to report
+     * @param {Object} culpritToken The token which has a problem
+     * @returns {void}
+     * @private
+     */
+
+
+    function report(mainNode, culpritToken) {
+      context.report({
+        node: mainNode,
+        loc: culpritToken.loc,
+        messageId: "missingSpace",
+        data: {
+          operator: culpritToken.value
+        },
+
+        fix(fixer) {
+          const previousToken = sourceCode.getTokenBefore(culpritToken);
+          const afterToken = sourceCode.getTokenAfter(culpritToken);
+          let fixString = "";
+
+          if (culpritToken.range[0] - previousToken.range[1] === 0) {
+            fixString = " ";
+          }
+
+          fixString += culpritToken.value;
+
+          if (afterToken.range[0] - culpritToken.range[1] === 0) {
+            fixString += " ";
+          }
+
+          return fixer.replaceText(culpritToken, fixString);
+        }
+
+      });
+    }
+    /**
+     * Check if the node is binary then report
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkBinary(node) {
+      const leftNode = node.left.typeAnnotation ? node.left.typeAnnotation : node.left;
+      const rightNode = node.right; // search for = in AssignmentPattern nodes
+
+      const operator = node.operator || "=";
+      const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, operator);
+
+      if (nonSpacedNode) {
+        if (!(int32Hint && sourceCode.getText(node).endsWith("|0"))) {
+          report(node, nonSpacedNode);
+        }
+      }
+    }
+    /**
+     * Check if the node is conditional
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkConditional(node) {
+      const nonSpacedConsequentNode = getFirstNonSpacedToken(node.test, node.consequent, "?");
+      const nonSpacedAlternateNode = getFirstNonSpacedToken(node.consequent, node.alternate, ":");
+
+      if (nonSpacedConsequentNode) {
+        report(node, nonSpacedConsequentNode);
+      } else if (nonSpacedAlternateNode) {
+        report(node, nonSpacedAlternateNode);
+      }
+    }
+    /**
+     * Check if the node is a variable
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkVar(node) {
+      const leftNode = node.id.typeAnnotation ? node.id.typeAnnotation : node.id;
+      const rightNode = node.init;
+
+      if (rightNode) {
+        const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, "=");
+
+        if (nonSpacedNode) {
+          report(node, nonSpacedNode);
+        }
+      }
+    }
+
+    return {
+      AssignmentExpression: checkBinary,
+      AssignmentPattern: checkBinary,
+      BinaryExpression: checkBinary,
+      LogicalExpression: checkBinary,
+      ConditionalExpression: checkConditional,
+      VariableDeclarator: checkVar
+    };
+  }
+
+};
+
+/***/ }),
+/* 706 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview This rule shoud require or disallow spaces before or after unary operations.
+ * @author Marcin Kumorek
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce consistent spacing before or after unary operators",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/space-unary-ops"
+    },
+    fixable: "whitespace",
+    schema: [{
+      type: "object",
+      properties: {
+        words: {
+          type: "boolean",
+          default: true
+        },
+        nonwords: {
+          type: "boolean",
+          default: false
+        },
+        overrides: {
+          type: "object",
+          additionalProperties: {
+            type: "boolean"
+          }
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedBefore: "Unexpected space before unary operator '{{operator}}'.",
+      unexpectedAfter: "Unexpected space after unary operator '{{operator}}'.",
+      unexpectedAfterWord: "Unexpected space after unary word operator '{{word}}'.",
+      wordOperator: "Unary word operator '{{word}}' must be followed by whitespace.",
+      operator: "Unary operator '{{operator}}' must be followed by whitespace.",
+      beforeUnaryExpressions: "Space is required before unary expressions '{{token}}'."
+    }
+  },
+
+  create(context) {
+    const options = context.options[0] || {
+      words: true,
+      nonwords: false
+    };
+    const sourceCode = context.getSourceCode(); //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+
+    /**
+     * Check if the node is the first "!" in a "!!" convert to Boolean expression
+     * @param {ASTnode} node AST node
+     * @returns {boolean} Whether or not the node is first "!" in "!!"
+     */
+
+    function isFirstBangInBangBangExpression(node) {
+      return node && node.type === "UnaryExpression" && node.argument.operator === "!" && node.argument && node.argument.type === "UnaryExpression" && node.argument.operator === "!";
+    }
+    /**
+     * Checks if an override exists for a given operator.
+     * @param {string} operator Operator
+     * @returns {boolean} Whether or not an override has been provided for the operator
+     */
+
+
+    function overrideExistsForOperator(operator) {
+      return options.overrides && Object.prototype.hasOwnProperty.call(options.overrides, operator);
+    }
+    /**
+     * Gets the value that the override was set to for this operator
+     * @param {string} operator Operator
+     * @returns {boolean} Whether or not an override enforces a space with this operator
+     */
+
+
+    function overrideEnforcesSpaces(operator) {
+      return options.overrides[operator];
+    }
+    /**
+     * Verify Unary Word Operator has spaces after the word operator
+     * @param {ASTnode} node AST node
+     * @param {Object} firstToken first token from the AST node
+     * @param {Object} secondToken second token from the AST node
+     * @param {string} word The word to be used for reporting
+     * @returns {void}
+     */
+
+
+    function verifyWordHasSpaces(node, firstToken, secondToken, word) {
+      if (secondToken.range[0] === firstToken.range[1]) {
+        context.report({
+          node,
+          messageId: "wordOperator",
+          data: {
+            word
+          },
+
+          fix(fixer) {
+            return fixer.insertTextAfter(firstToken, " ");
+          }
+
+        });
+      }
+    }
+    /**
+     * Verify Unary Word Operator doesn't have spaces after the word operator
+     * @param {ASTnode} node AST node
+     * @param {Object} firstToken first token from the AST node
+     * @param {Object} secondToken second token from the AST node
+     * @param {string} word The word to be used for reporting
+     * @returns {void}
+     */
+
+
+    function verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word) {
+      if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) {
+        if (secondToken.range[0] > firstToken.range[1]) {
+          context.report({
+            node,
+            messageId: "unexpectedAfterWord",
+            data: {
+              word
+            },
+
+            fix(fixer) {
+              return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+            }
+
+          });
+        }
+      }
+    }
+    /**
+     * Check Unary Word Operators for spaces after the word operator
+     * @param {ASTnode} node AST node
+     * @param {Object} firstToken first token from the AST node
+     * @param {Object} secondToken second token from the AST node
+     * @param {string} word The word to be used for reporting
+     * @returns {void}
+     */
+
+
+    function checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, word) {
+      if (overrideExistsForOperator(word)) {
+        if (overrideEnforcesSpaces(word)) {
+          verifyWordHasSpaces(node, firstToken, secondToken, word);
+        } else {
+          verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word);
+        }
+      } else if (options.words) {
+        verifyWordHasSpaces(node, firstToken, secondToken, word);
+      } else {
+        verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word);
+      }
+    }
+    /**
+     * Verifies YieldExpressions satisfy spacing requirements
+     * @param {ASTnode} node AST node
+     * @returns {void}
+     */
+
+
+    function checkForSpacesAfterYield(node) {
+      const tokens = sourceCode.getFirstTokens(node, 3),
+            word = "yield";
+
+      if (!node.argument || node.delegate) {
+        return;
+      }
+
+      checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word);
+    }
+    /**
+     * Verifies AwaitExpressions satisfy spacing requirements
+     * @param {ASTNode} node AwaitExpression AST node
+     * @returns {void}
+     */
+
+
+    function checkForSpacesAfterAwait(node) {
+      const tokens = sourceCode.getFirstTokens(node, 3);
+      checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], "await");
+    }
+    /**
+     * Verifies UnaryExpression, UpdateExpression and NewExpression have spaces before or after the operator
+     * @param {ASTnode} node AST node
+     * @param {Object} firstToken First token in the expression
+     * @param {Object} secondToken Second token in the expression
+     * @returns {void}
+     */
+
+
+    function verifyNonWordsHaveSpaces(node, firstToken, secondToken) {
+      if (node.prefix) {
+        if (isFirstBangInBangBangExpression(node)) {
+          return;
+        }
+
+        if (firstToken.range[1] === secondToken.range[0]) {
+          context.report({
+            node,
+            messageId: "operator",
+            data: {
+              operator: firstToken.value
+            },
+
+            fix(fixer) {
+              return fixer.insertTextAfter(firstToken, " ");
+            }
+
+          });
+        }
+      } else {
+        if (firstToken.range[1] === secondToken.range[0]) {
+          context.report({
+            node,
+            messageId: "beforeUnaryExpressions",
+            data: {
+              token: secondToken.value
+            },
+
+            fix(fixer) {
+              return fixer.insertTextBefore(secondToken, " ");
+            }
+
+          });
+        }
+      }
+    }
+    /**
+     * Verifies UnaryExpression, UpdateExpression and NewExpression don't have spaces before or after the operator
+     * @param {ASTnode} node AST node
+     * @param {Object} firstToken First token in the expression
+     * @param {Object} secondToken Second token in the expression
+     * @returns {void}
+     */
+
+
+    function verifyNonWordsDontHaveSpaces(node, firstToken, secondToken) {
+      if (node.prefix) {
+        if (secondToken.range[0] > firstToken.range[1]) {
+          context.report({
+            node,
+            messageId: "unexpectedAfter",
+            data: {
+              operator: firstToken.value
+            },
+
+            fix(fixer) {
+              if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) {
+                return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+              }
+
+              return null;
+            }
+
+          });
+        }
+      } else {
+        if (secondToken.range[0] > firstToken.range[1]) {
+          context.report({
+            node,
+            messageId: "unexpectedBefore",
+            data: {
+              operator: secondToken.value
+            },
+
+            fix(fixer) {
+              return fixer.removeRange([firstToken.range[1], secondToken.range[0]]);
+            }
+
+          });
+        }
+      }
+    }
+    /**
+     * Verifies UnaryExpression, UpdateExpression and NewExpression satisfy spacing requirements
+     * @param {ASTnode} node AST node
+     * @returns {void}
+     */
+
+
+    function checkForSpaces(node) {
+      const tokens = node.type === "UpdateExpression" && !node.prefix ? sourceCode.getLastTokens(node, 2) : sourceCode.getFirstTokens(node, 2);
+      const firstToken = tokens[0];
+      const secondToken = tokens[1];
+
+      if ((node.type === "NewExpression" || node.prefix) && firstToken.type === "Keyword") {
+        checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, firstToken.value);
+        return;
+      }
+
+      const operator = node.prefix ? tokens[0].value : tokens[1].value;
+
+      if (overrideExistsForOperator(operator)) {
+        if (overrideEnforcesSpaces(operator)) {
+          verifyNonWordsHaveSpaces(node, firstToken, secondToken);
+        } else {
+          verifyNonWordsDontHaveSpaces(node, firstToken, secondToken);
+        }
+      } else if (options.nonwords) {
+        verifyNonWordsHaveSpaces(node, firstToken, secondToken);
+      } else {
+        verifyNonWordsDontHaveSpaces(node, firstToken, secondToken);
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      UnaryExpression: checkForSpaces,
+      UpdateExpression: checkForSpaces,
+      NewExpression: checkForSpaces,
+      YieldExpression: checkForSpacesAfterYield,
+      AwaitExpression: checkForSpacesAfterAwait
+    };
+  }
+
+};
+
+/***/ }),
+/* 707 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Source code for spaced-comments rule
+ * @author Gyandeep Singh
+ */
+
+
+const lodash = __webpack_require__(403);
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Escapes the control characters of a given string.
+ * @param {string} s A string to escape.
+ * @returns {string} An escaped string.
+ */
+
+
+function escape(s) {
+  return "(?:".concat(lodash.escapeRegExp(s), ")");
+}
+/**
+ * Escapes the control characters of a given string.
+ * And adds a repeat flag.
+ * @param {string} s A string to escape.
+ * @returns {string} An escaped string.
+ */
+
+
+function escapeAndRepeat(s) {
+  return "".concat(escape(s), "+");
+}
+/**
+ * Parses `markers` option.
+ * If markers don't include `"*"`, this adds `"*"` to allow JSDoc comments.
+ * @param {string[]} [markers] A marker list.
+ * @returns {string[]} A marker list.
+ */
+
+
+function parseMarkersOption(markers) {
+  // `*` is a marker for JSDoc comments.
+  if (markers.indexOf("*") === -1) {
+    return markers.concat("*");
+  }
+
+  return markers;
+}
+/**
+ * Creates string pattern for exceptions.
+ * Generated pattern:
+ *
+ * 1. A space or an exception pattern sequence.
+ * @param {string[]} exceptions An exception pattern list.
+ * @returns {string} A regular expression string for exceptions.
+ */
+
+
+function createExceptionsPattern(exceptions) {
+  let pattern = "";
+  /*
+   * A space or an exception pattern sequence.
+   * []                 ==> "\s"
+   * ["-"]              ==> "(?:\s|\-+$)"
+   * ["-", "="]         ==> "(?:\s|(?:\-+|=+)$)"
+   * ["-", "=", "--=="] ==> "(?:\s|(?:\-+|=+|(?:\-\-==)+)$)" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5Cs%7C(%3F%3A%5C-%2B%7C%3D%2B%7C(%3F%3A%5C-%5C-%3D%3D)%2B)%24)
+   */
+
+  if (exceptions.length === 0) {
+    // a space.
+    pattern += "\\s";
+  } else {
+    // a space or...
+    pattern += "(?:\\s|";
+
+    if (exceptions.length === 1) {
+      // a sequence of the exception pattern.
+      pattern += escapeAndRepeat(exceptions[0]);
+    } else {
+      // a sequence of one of the exception patterns.
+      pattern += "(?:";
+      pattern += exceptions.map(escapeAndRepeat).join("|");
+      pattern += ")";
+    }
+
+    pattern += "(?:$|[".concat(Array.from(astUtils.LINEBREAKS).join(""), "]))");
+  }
+
+  return pattern;
+}
+/**
+ * Creates RegExp object for `always` mode.
+ * Generated pattern for beginning of comment:
+ *
+ * 1. First, a marker or nothing.
+ * 2. Next, a space or an exception pattern sequence.
+ * @param {string[]} markers A marker list.
+ * @param {string[]} exceptions An exception pattern list.
+ * @returns {RegExp} A RegExp object for the beginning of a comment in `always` mode.
+ */
+
+
+function createAlwaysStylePattern(markers, exceptions) {
+  let pattern = "^";
+  /*
+   * A marker or nothing.
+   * ["*"]            ==> "\*?"
+   * ["*", "!"]       ==> "(?:\*|!)?"
+   * ["*", "/", "!<"] ==> "(?:\*|\/|(?:!<))?" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5C*%7C%5C%2F%7C(%3F%3A!%3C))%3F
+   */
+
+  if (markers.length === 1) {
+    // the marker.
+    pattern += escape(markers[0]);
+  } else {
+    // one of markers.
+    pattern += "(?:";
+    pattern += markers.map(escape).join("|");
+    pattern += ")";
+  }
+
+  pattern += "?"; // or nothing.
+
+  pattern += createExceptionsPattern(exceptions);
+  return new RegExp(pattern, "u");
+}
+/**
+ * Creates RegExp object for `never` mode.
+ * Generated pattern for beginning of comment:
+ *
+ * 1. First, a marker or nothing (captured).
+ * 2. Next, a space or a tab.
+ * @param {string[]} markers A marker list.
+ * @returns {RegExp} A RegExp object for `never` mode.
+ */
+
+
+function createNeverStylePattern(markers) {
+  const pattern = "^(".concat(markers.map(escape).join("|"), ")?[ \t]+");
+  return new RegExp(pattern, "u");
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce consistent spacing after the `//` or `/*` in a comment",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/spaced-comment"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        exceptions: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        markers: {
+          type: "array",
+          items: {
+            type: "string"
+          }
+        },
+        line: {
+          type: "object",
+          properties: {
+            exceptions: {
+              type: "array",
+              items: {
+                type: "string"
+              }
+            },
+            markers: {
+              type: "array",
+              items: {
+                type: "string"
+              }
+            }
+          },
+          additionalProperties: false
+        },
+        block: {
+          type: "object",
+          properties: {
+            exceptions: {
+              type: "array",
+              items: {
+                type: "string"
+              }
+            },
+            markers: {
+              type: "array",
+              items: {
+                type: "string"
+              }
+            },
+            balanced: {
+              type: "boolean",
+              default: false
+            }
+          },
+          additionalProperties: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      unexpectedSpaceAfterMarker: "Unexpected space or tab after marker ({{refChar}}) in comment.",
+      expectedExceptionAfter: "Expected exception block, space or tab after '{{refChar}}' in comment.",
+      unexpectedSpaceBefore: "Unexpected space or tab before '*/' in comment.",
+      unexpectedSpaceAfter: "Unexpected space or tab after '{{refChar}}' in comment.",
+      expectedSpaceBefore: "Expected space or tab before '*/' in comment.",
+      expectedSpaceAfter: "Expected space or tab after '{{refChar}}' in comment."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode(); // Unless the first option is never, require a space
+
+    const requireSpace = context.options[0] !== "never";
+    /*
+     * Parse the second options.
+     * If markers don't include `"*"`, it's added automatically for JSDoc
+     * comments.
+     */
+
+    const config = context.options[1] || {};
+    const balanced = config.block && config.block.balanced;
+    const styleRules = ["block", "line"].reduce((rule, type) => {
+      const markers = parseMarkersOption(config[type] && config[type].markers || config.markers || []);
+      const exceptions = config[type] && config[type].exceptions || config.exceptions || [];
+      const endNeverPattern = "[ \t]+$"; // Create RegExp object for valid patterns.
+
+      rule[type] = {
+        beginRegex: requireSpace ? createAlwaysStylePattern(markers, exceptions) : createNeverStylePattern(markers),
+        endRegex: balanced && requireSpace ? new RegExp("".concat(createExceptionsPattern(exceptions), "$"), "u") : new RegExp(endNeverPattern, "u"),
+        hasExceptions: exceptions.length > 0,
+        captureMarker: new RegExp("^(".concat(markers.map(escape).join("|"), ")"), "u"),
+        markers: new Set(markers)
+      };
+      return rule;
+    }, {});
+    /**
+     * Reports a beginning spacing error with an appropriate message.
+     * @param {ASTNode} node A comment node to check.
+     * @param {string} messageId An error message to report.
+     * @param {Array} match An array of match results for markers.
+     * @param {string} refChar Character used for reference in the error message.
+     * @returns {void}
+     */
+
+    function reportBegin(node, messageId, match, refChar) {
+      const type = node.type.toLowerCase(),
+            commentIdentifier = type === "block" ? "/*" : "//";
+      context.report({
+        node,
+
+        fix(fixer) {
+          const start = node.range[0];
+          let end = start + 2;
+
+          if (requireSpace) {
+            if (match) {
+              end += match[0].length;
+            }
+
+            return fixer.insertTextAfterRange([start, end], " ");
+          }
+
+          end += match[0].length;
+          return fixer.replaceTextRange([start, end], commentIdentifier + (match[1] ? match[1] : ""));
+        },
+
+        messageId,
+        data: {
+          refChar
+        }
+      });
+    }
+    /**
+     * Reports an ending spacing error with an appropriate message.
+     * @param {ASTNode} node A comment node to check.
+     * @param {string} messageId An error message to report.
+     * @param {string} match An array of the matched whitespace characters.
+     * @returns {void}
+     */
+
+
+    function reportEnd(node, messageId, match) {
+      context.report({
+        node,
+
+        fix(fixer) {
+          if (requireSpace) {
+            return fixer.insertTextAfterRange([node.range[0], node.range[1] - 2], " ");
+          }
+
+          const end = node.range[1] - 2,
+                start = end - match[0].length;
+          return fixer.replaceTextRange([start, end], "");
+        },
+
+        messageId
+      });
+    }
+    /**
+     * Reports a given comment if it's invalid.
+     * @param {ASTNode} node a comment node to check.
+     * @returns {void}
+     */
+
+
+    function checkCommentForSpace(node) {
+      const type = node.type.toLowerCase(),
+            rule = styleRules[type],
+            commentIdentifier = type === "block" ? "/*" : "//"; // Ignores empty comments and comments that consist only of a marker.
+
+      if (node.value.length === 0 || rule.markers.has(node.value)) {
+        return;
+      }
+
+      const beginMatch = rule.beginRegex.exec(node.value);
+      const endMatch = rule.endRegex.exec(node.value); // Checks.
+
+      if (requireSpace) {
+        if (!beginMatch) {
+          const hasMarker = rule.captureMarker.exec(node.value);
+          const marker = hasMarker ? commentIdentifier + hasMarker[0] : commentIdentifier;
+
+          if (rule.hasExceptions) {
+            reportBegin(node, "expectedExceptionAfter", hasMarker, marker);
+          } else {
+            reportBegin(node, "expectedSpaceAfter", hasMarker, marker);
+          }
+        }
+
+        if (balanced && type === "block" && !endMatch) {
+          reportEnd(node, "expectedSpaceBefore");
+        }
+      } else {
+        if (beginMatch) {
+          if (!beginMatch[1]) {
+            reportBegin(node, "unexpectedSpaceAfter", beginMatch, commentIdentifier);
+          } else {
+            reportBegin(node, "unexpectedSpaceAfterMarker", beginMatch, beginMatch[1]);
+          }
+        }
+
+        if (balanced && type === "block" && endMatch) {
+          reportEnd(node, "unexpectedSpaceBefore", endMatch);
+        }
+      }
+    }
+
+    return {
+      Program() {
+        const comments = sourceCode.getAllComments();
+        comments.filter(token => token.type !== "Shebang").forEach(checkCommentForSpace);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 708 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to control usage of strict mode directives.
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets all of the Use Strict Directives in the Directive Prologue of a group of
+ * statements.
+ * @param {ASTNode[]} statements Statements in the program or function body.
+ * @returns {ASTNode[]} All of the Use Strict Directives.
+ */
+
+
+function getUseStrictDirectives(statements) {
+  const directives = [];
+
+  for (let i = 0; i < statements.length; i++) {
+    const statement = statements[i];
+
+    if (statement.type === "ExpressionStatement" && statement.expression.type === "Literal" && statement.expression.value === "use strict") {
+      directives[i] = statement;
+    } else {
+      break;
+    }
+  }
+
+  return directives;
+}
+/**
+ * Checks whether a given parameter is a simple parameter.
+ * @param {ASTNode} node A pattern node to check.
+ * @returns {boolean} `true` if the node is an Identifier node.
+ */
+
+
+function isSimpleParameter(node) {
+  return node.type === "Identifier";
+}
+/**
+ * Checks whether a given parameter list is a simple parameter list.
+ * @param {ASTNode[]} params A parameter list to check.
+ * @returns {boolean} `true` if the every parameter is an Identifier node.
+ */
+
+
+function isSimpleParameterList(params) {
+  return params.every(isSimpleParameter);
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow strict mode directives",
+      category: "Strict Mode",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/strict"
+    },
+    schema: [{
+      enum: ["never", "global", "function", "safe"]
+    }],
+    fixable: "code",
+    messages: {
+      function: "Use the function form of 'use strict'.",
+      global: "Use the global form of 'use strict'.",
+      multiple: "Multiple 'use strict' directives.",
+      never: "Strict mode is not permitted.",
+      unnecessary: "Unnecessary 'use strict' directive.",
+      module: "'use strict' is unnecessary inside of modules.",
+      implied: "'use strict' is unnecessary when implied strict mode is enabled.",
+      unnecessaryInClasses: "'use strict' is unnecessary inside of classes.",
+      nonSimpleParameterList: "'use strict' directive inside a function with non-simple parameter list throws a syntax error since ES2016.",
+      wrap: "Wrap {{name}} in a function with 'use strict' directive."
+    }
+  },
+
+  create(context) {
+    const ecmaFeatures = context.parserOptions.ecmaFeatures || {},
+          scopes = [],
+          classScopes = [];
+    let mode = context.options[0] || "safe";
+
+    if (ecmaFeatures.impliedStrict) {
+      mode = "implied";
+    } else if (mode === "safe") {
+      mode = ecmaFeatures.globalReturn ? "global" : "function";
+    }
+    /**
+     * Determines whether a reported error should be fixed, depending on the error type.
+     * @param {string} errorType The type of error
+     * @returns {boolean} `true` if the reported error should be fixed
+     */
+
+
+    function shouldFix(errorType) {
+      return errorType === "multiple" || errorType === "unnecessary" || errorType === "module" || errorType === "implied" || errorType === "unnecessaryInClasses";
+    }
+    /**
+     * Gets a fixer function to remove a given 'use strict' directive.
+     * @param {ASTNode} node The directive that should be removed
+     * @returns {Function} A fixer function
+     */
+
+
+    function getFixFunction(node) {
+      return fixer => fixer.remove(node);
+    }
+    /**
+     * Report a slice of an array of nodes with a given message.
+     * @param {ASTNode[]} nodes Nodes.
+     * @param {string} start Index to start from.
+     * @param {string} end Index to end before.
+     * @param {string} messageId Message to display.
+     * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+     * @returns {void}
+     */
+
+
+    function reportSlice(nodes, start, end, messageId, fix) {
+      nodes.slice(start, end).forEach(node => {
+        context.report({
+          node,
+          messageId,
+          fix: fix ? getFixFunction(node) : null
+        });
+      });
+    }
+    /**
+     * Report all nodes in an array with a given message.
+     * @param {ASTNode[]} nodes Nodes.
+     * @param {string} messageId Message id to display.
+     * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+     * @returns {void}
+     */
+
+
+    function reportAll(nodes, messageId, fix) {
+      reportSlice(nodes, 0, nodes.length, messageId, fix);
+    }
+    /**
+     * Report all nodes in an array, except the first, with a given message.
+     * @param {ASTNode[]} nodes Nodes.
+     * @param {string} messageId Message id to display.
+     * @param {boolean} fix `true` if the directive should be fixed (i.e. removed)
+     * @returns {void}
+     */
+
+
+    function reportAllExceptFirst(nodes, messageId, fix) {
+      reportSlice(nodes, 1, nodes.length, messageId, fix);
+    }
+    /**
+     * Entering a function in 'function' mode pushes a new nested scope onto the
+     * stack. The new scope is true if the nested function is strict mode code.
+     * @param {ASTNode} node The function declaration or expression.
+     * @param {ASTNode[]} useStrictDirectives The Use Strict Directives of the node.
+     * @returns {void}
+     */
+
+
+    function enterFunctionInFunctionMode(node, useStrictDirectives) {
+      const isInClass = classScopes.length > 0,
+            isParentGlobal = scopes.length === 0 && classScopes.length === 0,
+            isParentStrict = scopes.length > 0 && scopes[scopes.length - 1],
+            isStrict = useStrictDirectives.length > 0;
+
+      if (isStrict) {
+        if (!isSimpleParameterList(node.params)) {
+          context.report({
+            node: useStrictDirectives[0],
+            messageId: "nonSimpleParameterList"
+          });
+        } else if (isParentStrict) {
+          context.report({
+            node: useStrictDirectives[0],
+            messageId: "unnecessary",
+            fix: getFixFunction(useStrictDirectives[0])
+          });
+        } else if (isInClass) {
+          context.report({
+            node: useStrictDirectives[0],
+            messageId: "unnecessaryInClasses",
+            fix: getFixFunction(useStrictDirectives[0])
+          });
+        }
+
+        reportAllExceptFirst(useStrictDirectives, "multiple", true);
+      } else if (isParentGlobal) {
+        if (isSimpleParameterList(node.params)) {
+          context.report({
+            node,
+            messageId: "function"
+          });
+        } else {
+          context.report({
+            node,
+            messageId: "wrap",
+            data: {
+              name: astUtils.getFunctionNameWithKind(node)
+            }
+          });
+        }
+      }
+
+      scopes.push(isParentStrict || isStrict);
+    }
+    /**
+     * Exiting a function in 'function' mode pops its scope off the stack.
+     * @returns {void}
+     */
+
+
+    function exitFunctionInFunctionMode() {
+      scopes.pop();
+    }
+    /**
+     * Enter a function and either:
+     * - Push a new nested scope onto the stack (in 'function' mode).
+     * - Report all the Use Strict Directives (in the other modes).
+     * @param {ASTNode} node The function declaration or expression.
+     * @returns {void}
+     */
+
+
+    function enterFunction(node) {
+      const isBlock = node.body.type === "BlockStatement",
+            useStrictDirectives = isBlock ? getUseStrictDirectives(node.body.body) : [];
+
+      if (mode === "function") {
+        enterFunctionInFunctionMode(node, useStrictDirectives);
+      } else if (useStrictDirectives.length > 0) {
+        if (isSimpleParameterList(node.params)) {
+          reportAll(useStrictDirectives, mode, shouldFix(mode));
+        } else {
+          context.report({
+            node: useStrictDirectives[0],
+            messageId: "nonSimpleParameterList"
+          });
+          reportAllExceptFirst(useStrictDirectives, "multiple", true);
+        }
+      }
+    }
+
+    const rule = {
+      Program(node) {
+        const useStrictDirectives = getUseStrictDirectives(node.body);
+
+        if (node.sourceType === "module") {
+          mode = "module";
+        }
+
+        if (mode === "global") {
+          if (node.body.length > 0 && useStrictDirectives.length === 0) {
+            context.report({
+              node,
+              messageId: "global"
+            });
+          }
+
+          reportAllExceptFirst(useStrictDirectives, "multiple", true);
+        } else {
+          reportAll(useStrictDirectives, mode, shouldFix(mode));
+        }
+      },
+
+      FunctionDeclaration: enterFunction,
+      FunctionExpression: enterFunction,
+      ArrowFunctionExpression: enterFunction
+    };
+
+    if (mode === "function") {
+      Object.assign(rule, {
+        // Inside of class bodies are always strict mode.
+        ClassBody() {
+          classScopes.push(true);
+        },
+
+        "ClassBody:exit"() {
+          classScopes.pop();
+        },
+
+        "FunctionDeclaration:exit": exitFunctionInFunctionMode,
+        "FunctionExpression:exit": exitFunctionInFunctionMode,
+        "ArrowFunctionExpression:exit": exitFunctionInFunctionMode
+      });
+    }
+
+    return rule;
+  }
+
+};
+
+/***/ }),
+/* 709 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce spacing around colons of switch statements.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "enforce spacing around colons of switch statements",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/switch-colon-spacing"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        before: {
+          type: "boolean",
+          default: false
+        },
+        after: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "whitespace",
+    messages: {
+      expectedBefore: "Expected space(s) before this colon.",
+      expectedAfter: "Expected space(s) after this colon.",
+      unexpectedBefore: "Unexpected space(s) before this colon.",
+      unexpectedAfter: "Unexpected space(s) after this colon."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const options = context.options[0] || {};
+    const beforeSpacing = options.before === true; // false by default
+
+    const afterSpacing = options.after !== false; // true by default
+
+    /**
+     * Get the colon token of the given SwitchCase node.
+     * @param {ASTNode} node The SwitchCase node to get.
+     * @returns {Token} The colon token of the node.
+     */
+
+    function getColonToken(node) {
+      if (node.test) {
+        return sourceCode.getTokenAfter(node.test, astUtils.isColonToken);
+      }
+
+      return sourceCode.getFirstToken(node, 1);
+    }
+    /**
+     * Check whether the spacing between the given 2 tokens is valid or not.
+     * @param {Token} left The left token to check.
+     * @param {Token} right The right token to check.
+     * @param {boolean} expected The expected spacing to check. `true` if there should be a space.
+     * @returns {boolean} `true` if the spacing between the tokens is valid.
+     */
+
+
+    function isValidSpacing(left, right, expected) {
+      return astUtils.isClosingBraceToken(right) || !astUtils.isTokenOnSameLine(left, right) || sourceCode.isSpaceBetweenTokens(left, right) === expected;
+    }
+    /**
+     * Check whether comments exist between the given 2 tokens.
+     * @param {Token} left The left token to check.
+     * @param {Token} right The right token to check.
+     * @returns {boolean} `true` if comments exist between the given 2 tokens.
+     */
+
+
+    function commentsExistBetween(left, right) {
+      return sourceCode.getFirstTokenBetween(left, right, {
+        includeComments: true,
+        filter: astUtils.isCommentToken
+      }) !== null;
+    }
+    /**
+     * Fix the spacing between the given 2 tokens.
+     * @param {RuleFixer} fixer The fixer to fix.
+     * @param {Token} left The left token of fix range.
+     * @param {Token} right The right token of fix range.
+     * @param {boolean} spacing The spacing style. `true` if there should be a space.
+     * @returns {Fix|null} The fix object.
+     */
+
+
+    function _fix(fixer, left, right, spacing) {
+      if (commentsExistBetween(left, right)) {
+        return null;
+      }
+
+      if (spacing) {
+        return fixer.insertTextAfter(left, " ");
+      }
+
+      return fixer.removeRange([left.range[1], right.range[0]]);
+    }
+
+    return {
+      SwitchCase(node) {
+        const colonToken = getColonToken(node);
+        const beforeToken = sourceCode.getTokenBefore(colonToken);
+        const afterToken = sourceCode.getTokenAfter(colonToken);
+
+        if (!isValidSpacing(beforeToken, colonToken, beforeSpacing)) {
+          context.report({
+            node,
+            loc: colonToken.loc,
+            messageId: beforeSpacing ? "expectedBefore" : "unexpectedBefore",
+            fix: fixer => _fix(fixer, beforeToken, colonToken, beforeSpacing)
+          });
+        }
+
+        if (!isValidSpacing(colonToken, afterToken, afterSpacing)) {
+          context.report({
+            node,
+            loc: colonToken.loc,
+            messageId: afterSpacing ? "expectedAfter" : "unexpectedAfter",
+            fix: fixer => _fix(fixer, colonToken, afterToken, afterSpacing)
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 710 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce description with the `Symbol` object
+ * @author Jarek Rencz
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require symbol descriptions",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/symbol-description"
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      expected: "Expected Symbol to have a description."
+    }
+  },
+
+  create(context) {
+    /**
+     * Reports if node does not conform the rule in case rule is set to
+     * report missing description
+     * @param {ASTNode} node A CallExpression node to check.
+     * @returns {void}
+     */
+    function checkArgument(node) {
+      if (node.arguments.length === 0) {
+        context.report({
+          node,
+          messageId: "expected"
+        });
+      }
+    }
+
+    return {
+      "Program:exit"() {
+        const scope = context.getScope();
+        const variable = astUtils.getVariableByName(scope, "Symbol");
+
+        if (variable && variable.defs.length === 0) {
+          variable.references.forEach(reference => {
+            const node = reference.identifier;
+
+            if (astUtils.isCallee(node)) {
+              checkArgument(node.parent);
+            }
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 711 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce spacing around embedded expressions of template strings
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow spacing around embedded expressions of template strings",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/template-curly-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    messages: {
+      expectedBefore: "Expected space(s) before '}'.",
+      expectedAfter: "Expected space(s) after '${'.",
+      unexpectedBefore: "Unexpected space(s) before '}'.",
+      unexpectedAfter: "Unexpected space(s) after '${'."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    const always = context.options[0] === "always";
+    /**
+     * Checks spacing before `}` of a given token.
+     * @param {Token} token A token to check. This is a Template token.
+     * @returns {void}
+     */
+
+    function checkSpacingBefore(token) {
+      if (!token.value.startsWith("}")) {
+        return; // starts with a backtick, this is the first template element in the template literal
+      }
+
+      const prevToken = sourceCode.getTokenBefore(token, {
+        includeComments: true
+      }),
+            hasSpace = sourceCode.isSpaceBetween(prevToken, token);
+
+      if (!astUtils.isTokenOnSameLine(prevToken, token)) {
+        return;
+      }
+
+      if (always && !hasSpace) {
+        context.report({
+          loc: {
+            start: token.loc.start,
+            end: {
+              line: token.loc.start.line,
+              column: token.loc.start.column + 1
+            }
+          },
+          messageId: "expectedBefore",
+          fix: fixer => fixer.insertTextBefore(token, " ")
+        });
+      }
+
+      if (!always && hasSpace) {
+        context.report({
+          loc: {
+            start: prevToken.loc.end,
+            end: token.loc.start
+          },
+          messageId: "unexpectedBefore",
+          fix: fixer => fixer.removeRange([prevToken.range[1], token.range[0]])
+        });
+      }
+    }
+    /**
+     * Checks spacing after `${` of a given token.
+     * @param {Token} token A token to check. This is a Template token.
+     * @returns {void}
+     */
+
+
+    function checkSpacingAfter(token) {
+      if (!token.value.endsWith("${")) {
+        return; // ends with a backtick, this is the last template element in the template literal
+      }
+
+      const nextToken = sourceCode.getTokenAfter(token, {
+        includeComments: true
+      }),
+            hasSpace = sourceCode.isSpaceBetween(token, nextToken);
+
+      if (!astUtils.isTokenOnSameLine(token, nextToken)) {
+        return;
+      }
+
+      if (always && !hasSpace) {
+        context.report({
+          loc: {
+            start: {
+              line: token.loc.end.line,
+              column: token.loc.end.column - 2
+            },
+            end: token.loc.end
+          },
+          messageId: "expectedAfter",
+          fix: fixer => fixer.insertTextAfter(token, " ")
+        });
+      }
+
+      if (!always && hasSpace) {
+        context.report({
+          loc: {
+            start: token.loc.end,
+            end: nextToken.loc.start
+          },
+          messageId: "unexpectedAfter",
+          fix: fixer => fixer.removeRange([token.range[1], nextToken.range[0]])
+        });
+      }
+    }
+
+    return {
+      TemplateElement(node) {
+        const token = sourceCode.getFirstToken(node);
+        checkSpacingBefore(token);
+        checkSpacingAfter(token);
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 712 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check spacing between template tags and their literals
+ * @author Jonathan Wilsson
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow spacing between template tags and their literals",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/template-tag-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    messages: {
+      unexpected: "Unexpected space between template tag and template literal.",
+      missing: "Missing space between template tag and template literal."
+    }
+  },
+
+  create(context) {
+    const never = context.options[0] !== "always";
+    const sourceCode = context.getSourceCode();
+    /**
+     * Check if a space is present between a template tag and its literal
+     * @param {ASTNode} node node to evaluate
+     * @returns {void}
+     * @private
+     */
+
+    function checkSpacing(node) {
+      const tagToken = sourceCode.getTokenBefore(node.quasi);
+      const literalToken = sourceCode.getFirstToken(node.quasi);
+      const hasWhitespace = sourceCode.isSpaceBetweenTokens(tagToken, literalToken);
+
+      if (never && hasWhitespace) {
+        context.report({
+          node,
+          loc: tagToken.loc.start,
+          messageId: "unexpected",
+
+          fix(fixer) {
+            const comments = sourceCode.getCommentsBefore(node.quasi); // Don't fix anything if there's a single line comment after the template tag
+
+            if (comments.some(comment => comment.type === "Line")) {
+              return null;
+            }
+
+            return fixer.replaceTextRange([tagToken.range[1], literalToken.range[0]], comments.reduce((text, comment) => text + sourceCode.getText(comment), ""));
+          }
+
+        });
+      } else if (!never && !hasWhitespace) {
+        context.report({
+          node,
+          loc: tagToken.loc.start,
+          messageId: "missing",
+
+          fix(fixer) {
+            return fixer.insertTextAfter(tagToken, " ");
+          }
+
+        });
+      }
+    }
+
+    return {
+      TaggedTemplateExpression: checkSpacing
+    };
+  }
+
+};
+
+/***/ }),
+/* 713 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Require or disallow Unicode BOM
+ * @author Andrew Johnston <https://github.com/ehjay>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow Unicode byte order mark (BOM)",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/unicode-bom"
+    },
+    fixable: "whitespace",
+    schema: [{
+      enum: ["always", "never"]
+    }],
+    messages: {
+      expected: "Expected Unicode BOM (Byte Order Mark).",
+      unexpected: "Unexpected Unicode BOM (Byte Order Mark)."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+    return {
+      Program: function checkUnicodeBOM(node) {
+        const sourceCode = context.getSourceCode(),
+              location = {
+          column: 0,
+          line: 1
+        },
+              requireBOM = context.options[0] || "never";
+
+        if (!sourceCode.hasBOM && requireBOM === "always") {
+          context.report({
+            node,
+            loc: location,
+            messageId: "expected",
+
+            fix(fixer) {
+              return fixer.insertTextBeforeRange([0, 1], "\uFEFF");
+            }
+
+          });
+        } else if (sourceCode.hasBOM && requireBOM === "never") {
+          context.report({
+            node,
+            loc: location,
+            messageId: "unexpected",
+
+            fix(fixer) {
+              return fixer.removeRange([-1, 0]);
+            }
+
+          });
+        }
+      }
+    };
+  }
+
+};
+
+/***/ }),
+/* 714 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag comparisons to the value NaN
+ * @author James Allardice
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Determines if the given node is a NaN `Identifier` node.
+ * @param {ASTNode|null} node The node to check.
+ * @returns {boolean} `true` if the node is 'NaN' identifier.
+ */
+
+
+function isNaNIdentifier(node) {
+  return Boolean(node) && node.type === "Identifier" && node.name === "NaN";
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "require calls to `isNaN()` when checking for `NaN`",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/use-isnan"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        enforceForSwitchCase: {
+          type: "boolean",
+          default: true
+        },
+        enforceForIndexOf: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      comparisonWithNaN: "Use the isNaN function to compare with NaN.",
+      switchNaN: "'switch(NaN)' can never match a case clause. Use Number.isNaN instead of the switch.",
+      caseNaN: "'case NaN' can never match. Use Number.isNaN before the switch.",
+      indexOfNaN: "Array prototype method '{{ methodName }}' cannot find NaN."
+    }
+  },
+
+  create(context) {
+    const enforceForSwitchCase = !context.options[0] || context.options[0].enforceForSwitchCase;
+    const enforceForIndexOf = context.options[0] && context.options[0].enforceForIndexOf;
+    /**
+     * Checks the given `BinaryExpression` node for `foo === NaN` and other comparisons.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+    function checkBinaryExpression(node) {
+      if (/^(?:[<>]|[!=]=)=?$/u.test(node.operator) && (isNaNIdentifier(node.left) || isNaNIdentifier(node.right))) {
+        context.report({
+          node,
+          messageId: "comparisonWithNaN"
+        });
+      }
+    }
+    /**
+     * Checks the discriminant and all case clauses of the given `SwitchStatement` node for `switch(NaN)` and `case NaN:`
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkSwitchStatement(node) {
+      if (isNaNIdentifier(node.discriminant)) {
+        context.report({
+          node,
+          messageId: "switchNaN"
+        });
+      }
+
+      for (const switchCase of node.cases) {
+        if (isNaNIdentifier(switchCase.test)) {
+          context.report({
+            node: switchCase,
+            messageId: "caseNaN"
+          });
+        }
+      }
+    }
+    /**
+     * Checks the the given `CallExpression` node for `.indexOf(NaN)` and `.lastIndexOf(NaN)`.
+     * @param {ASTNode} node The node to check.
+     * @returns {void}
+     */
+
+
+    function checkCallExpression(node) {
+      const callee = node.callee;
+
+      if (callee.type === "MemberExpression") {
+        const methodName = astUtils.getStaticPropertyName(callee);
+
+        if ((methodName === "indexOf" || methodName === "lastIndexOf") && node.arguments.length === 1 && isNaNIdentifier(node.arguments[0])) {
+          context.report({
+            node,
+            messageId: "indexOfNaN",
+            data: {
+              methodName
+            }
+          });
+        }
+      }
+    }
+
+    const listeners = {
+      BinaryExpression: checkBinaryExpression
+    };
+
+    if (enforceForSwitchCase) {
+      listeners.SwitchStatement = checkSwitchStatement;
+    }
+
+    if (enforceForIndexOf) {
+      listeners.CallExpression = checkCallExpression;
+    }
+
+    return listeners;
+  }
+
+};
+
+/***/ }),
+/* 715 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Validates JSDoc comments are syntactically correct
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const doctrine = __webpack_require__(716); //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "enforce valid JSDoc comments",
+      category: "Possible Errors",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/valid-jsdoc"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        prefer: {
+          type: "object",
+          additionalProperties: {
+            type: "string"
+          }
+        },
+        preferType: {
+          type: "object",
+          additionalProperties: {
+            type: "string"
+          }
+        },
+        requireReturn: {
+          type: "boolean",
+          default: true
+        },
+        requireParamDescription: {
+          type: "boolean",
+          default: true
+        },
+        requireReturnDescription: {
+          type: "boolean",
+          default: true
+        },
+        matchDescription: {
+          type: "string"
+        },
+        requireReturnType: {
+          type: "boolean",
+          default: true
+        },
+        requireParamType: {
+          type: "boolean",
+          default: true
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      unexpectedTag: "Unexpected @{{title}} tag; function has no return statement.",
+      expected: "Expected JSDoc for '{{name}}' but found '{{jsdocName}}'.",
+      use: "Use @{{name}} instead.",
+      useType: "Use '{{expectedTypeName}}' instead of '{{currentTypeName}}'.",
+      syntaxError: "JSDoc syntax error.",
+      missingBrace: "JSDoc type missing brace.",
+      missingParamDesc: "Missing JSDoc parameter description for '{{name}}'.",
+      missingParamType: "Missing JSDoc parameter type for '{{name}}'.",
+      missingReturnType: "Missing JSDoc return type.",
+      missingReturnDesc: "Missing JSDoc return description.",
+      missingReturn: "Missing JSDoc @{{returns}} for function.",
+      missingParam: "Missing JSDoc for parameter '{{name}}'.",
+      duplicateParam: "Duplicate JSDoc parameter '{{name}}'.",
+      unsatisfiedDesc: "JSDoc description does not satisfy the regex pattern."
+    },
+    deprecated: true,
+    replacedBy: []
+  },
+
+  create(context) {
+    const options = context.options[0] || {},
+          prefer = options.prefer || {},
+          sourceCode = context.getSourceCode(),
+          // these both default to true, so you have to explicitly make them false
+    requireReturn = options.requireReturn !== false,
+          requireParamDescription = options.requireParamDescription !== false,
+          requireReturnDescription = options.requireReturnDescription !== false,
+          requireReturnType = options.requireReturnType !== false,
+          requireParamType = options.requireParamType !== false,
+          preferType = options.preferType || {},
+          checkPreferType = Object.keys(preferType).length !== 0; //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // Using a stack to store if a function returns or not (handling nested functions)
+
+    const fns = [];
+    /**
+     * Check if node type is a Class
+     * @param {ASTNode} node node to check.
+     * @returns {boolean} True is its a class
+     * @private
+     */
+
+    function isTypeClass(node) {
+      return node.type === "ClassExpression" || node.type === "ClassDeclaration";
+    }
+    /**
+     * When parsing a new function, store it in our function stack.
+     * @param {ASTNode} node A function node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function startFunction(node) {
+      fns.push({
+        returnPresent: node.type === "ArrowFunctionExpression" && node.body.type !== "BlockStatement" || isTypeClass(node) || node.async
+      });
+    }
+    /**
+     * Indicate that return has been found in the current function.
+     * @param {ASTNode} node The return node.
+     * @returns {void}
+     * @private
+     */
+
+
+    function addReturn(node) {
+      const functionState = fns[fns.length - 1];
+
+      if (functionState && node.argument !== null) {
+        functionState.returnPresent = true;
+      }
+    }
+    /**
+     * Check if return tag type is void or undefined
+     * @param {Object} tag JSDoc tag
+     * @returns {boolean} True if its of type void or undefined
+     * @private
+     */
+
+
+    function isValidReturnType(tag) {
+      return tag.type === null || tag.type.name === "void" || tag.type.type === "UndefinedLiteral";
+    }
+    /**
+     * Check if type should be validated based on some exceptions
+     * @param {Object} type JSDoc tag
+     * @returns {boolean} True if it can be validated
+     * @private
+     */
+
+
+    function canTypeBeValidated(type) {
+      return type !== "UndefinedLiteral" && // {undefined} as there is no name property available.
+      type !== "NullLiteral" && // {null}
+      type !== "NullableLiteral" && // {?}
+      type !== "FunctionType" && // {function(a)}
+      type !== "AllLiteral"; // {*}
+    }
+    /**
+     * Extract the current and expected type based on the input type object
+     * @param {Object} type JSDoc tag
+     * @returns {{currentType: Doctrine.Type, expectedTypeName: string}} The current type annotation and
+     * the expected name of the annotation
+     * @private
+     */
+
+
+    function getCurrentExpectedTypes(type) {
+      let currentType;
+
+      if (type.name) {
+        currentType = type;
+      } else if (type.expression) {
+        currentType = type.expression;
+      }
+
+      return {
+        currentType,
+        expectedTypeName: currentType && preferType[currentType.name]
+      };
+    }
+    /**
+     * Gets the location of a JSDoc node in a file
+     * @param {Token} jsdocComment The comment that this node is parsed from
+     * @param {{range: number[]}} parsedJsdocNode A tag or other node which was parsed from this comment
+     * @returns {{start: SourceLocation, end: SourceLocation}} The 0-based source location for the tag
+     */
+
+
+    function getAbsoluteRange(jsdocComment, parsedJsdocNode) {
+      return {
+        start: sourceCode.getLocFromIndex(jsdocComment.range[0] + 2 + parsedJsdocNode.range[0]),
+        end: sourceCode.getLocFromIndex(jsdocComment.range[0] + 2 + parsedJsdocNode.range[1])
+      };
+    }
+    /**
+     * Validate type for a given JSDoc node
+     * @param {Object} jsdocNode JSDoc node
+     * @param {Object} type JSDoc tag
+     * @returns {void}
+     * @private
+     */
+
+
+    function validateType(jsdocNode, type) {
+      if (!type || !canTypeBeValidated(type.type)) {
+        return;
+      }
+
+      const typesToCheck = [];
+      let elements = [];
+
+      switch (type.type) {
+        case "TypeApplication":
+          // {Array.<String>}
+          elements = type.applications[0].type === "UnionType" ? type.applications[0].elements : type.applications;
+          typesToCheck.push(getCurrentExpectedTypes(type));
+          break;
+
+        case "RecordType":
+          // {{20:String}}
+          elements = type.fields;
+          break;
+
+        case "UnionType": // {String|number|Test}
+
+        case "ArrayType":
+          // {[String, number, Test]}
+          elements = type.elements;
+          break;
+
+        case "FieldType":
+          // Array.<{count: number, votes: number}>
+          if (type.value) {
+            typesToCheck.push(getCurrentExpectedTypes(type.value));
+          }
+
+          break;
+
+        default:
+          typesToCheck.push(getCurrentExpectedTypes(type));
+      }
+
+      elements.forEach(validateType.bind(null, jsdocNode));
+      typesToCheck.forEach(typeToCheck => {
+        if (typeToCheck.expectedTypeName && typeToCheck.expectedTypeName !== typeToCheck.currentType.name) {
+          context.report({
+            node: jsdocNode,
+            messageId: "useType",
+            loc: getAbsoluteRange(jsdocNode, typeToCheck.currentType),
+            data: {
+              currentTypeName: typeToCheck.currentType.name,
+              expectedTypeName: typeToCheck.expectedTypeName
+            },
+
+            fix(fixer) {
+              return fixer.replaceTextRange(typeToCheck.currentType.range.map(indexInComment => jsdocNode.range[0] + 2 + indexInComment), typeToCheck.expectedTypeName);
+            }
+
+          });
+        }
+      });
+    }
+    /**
+     * Validate the JSDoc node and output warnings if anything is wrong.
+     * @param {ASTNode} node The AST node to check.
+     * @returns {void}
+     * @private
+     */
+
+
+    function checkJSDoc(node) {
+      const jsdocNode = sourceCode.getJSDocComment(node),
+            functionData = fns.pop(),
+            paramTagsByName = Object.create(null),
+            paramTags = [];
+      let hasReturns = false,
+          returnsTag,
+          hasConstructor = false,
+          isInterface = false,
+          isOverride = false,
+          isAbstract = false; // make sure only to validate JSDoc comments
+
+      if (jsdocNode) {
+        let jsdoc;
+
+        try {
+          jsdoc = doctrine.parse(jsdocNode.value, {
+            strict: true,
+            unwrap: true,
+            sloppy: true,
+            range: true
+          });
+        } catch (ex) {
+          if (/braces/iu.test(ex.message)) {
+            context.report({
+              node: jsdocNode,
+              messageId: "missingBrace"
+            });
+          } else {
+            context.report({
+              node: jsdocNode,
+              messageId: "syntaxError"
+            });
+          }
+
+          return;
+        }
+
+        jsdoc.tags.forEach(tag => {
+          switch (tag.title.toLowerCase()) {
+            case "param":
+            case "arg":
+            case "argument":
+              paramTags.push(tag);
+              break;
+
+            case "return":
+            case "returns":
+              hasReturns = true;
+              returnsTag = tag;
+              break;
+
+            case "constructor":
+            case "class":
+              hasConstructor = true;
+              break;
+
+            case "override":
+            case "inheritdoc":
+              isOverride = true;
+              break;
+
+            case "abstract":
+            case "virtual":
+              isAbstract = true;
+              break;
+
+            case "interface":
+              isInterface = true;
+              break;
+            // no default
+          } // check tag preferences
+
+
+          if (Object.prototype.hasOwnProperty.call(prefer, tag.title) && tag.title !== prefer[tag.title]) {
+            const entireTagRange = getAbsoluteRange(jsdocNode, tag);
+            context.report({
+              node: jsdocNode,
+              messageId: "use",
+              loc: {
+                start: entireTagRange.start,
+                end: {
+                  line: entireTagRange.start.line,
+                  column: entireTagRange.start.column + "@".concat(tag.title).length
+                }
+              },
+              data: {
+                name: prefer[tag.title]
+              },
+
+              fix(fixer) {
+                return fixer.replaceTextRange([jsdocNode.range[0] + tag.range[0] + 3, jsdocNode.range[0] + tag.range[0] + tag.title.length + 3], prefer[tag.title]);
+              }
+
+            });
+          } // validate the types
+
+
+          if (checkPreferType && tag.type) {
+            validateType(jsdocNode, tag.type);
+          }
+        });
+        paramTags.forEach(param => {
+          if (requireParamType && !param.type) {
+            context.report({
+              node: jsdocNode,
+              messageId: "missingParamType",
+              loc: getAbsoluteRange(jsdocNode, param),
+              data: {
+                name: param.name
+              }
+            });
+          }
+
+          if (!param.description && requireParamDescription) {
+            context.report({
+              node: jsdocNode,
+              messageId: "missingParamDesc",
+              loc: getAbsoluteRange(jsdocNode, param),
+              data: {
+                name: param.name
+              }
+            });
+          }
+
+          if (paramTagsByName[param.name]) {
+            context.report({
+              node: jsdocNode,
+              messageId: "duplicateParam",
+              loc: getAbsoluteRange(jsdocNode, param),
+              data: {
+                name: param.name
+              }
+            });
+          } else if (param.name.indexOf(".") === -1) {
+            paramTagsByName[param.name] = param;
+          }
+        });
+
+        if (hasReturns) {
+          if (!requireReturn && !functionData.returnPresent && (returnsTag.type === null || !isValidReturnType(returnsTag)) && !isAbstract) {
+            context.report({
+              node: jsdocNode,
+              messageId: "unexpectedTag",
+              loc: getAbsoluteRange(jsdocNode, returnsTag),
+              data: {
+                title: returnsTag.title
+              }
+            });
+          } else {
+            if (requireReturnType && !returnsTag.type) {
+              context.report({
+                node: jsdocNode,
+                messageId: "missingReturnType"
+              });
+            }
+
+            if (!isValidReturnType(returnsTag) && !returnsTag.description && requireReturnDescription) {
+              context.report({
+                node: jsdocNode,
+                messageId: "missingReturnDesc"
+              });
+            }
+          }
+        } // check for functions missing @returns
+
+
+        if (!isOverride && !hasReturns && !hasConstructor && !isInterface && node.parent.kind !== "get" && node.parent.kind !== "constructor" && node.parent.kind !== "set" && !isTypeClass(node)) {
+          if (requireReturn || functionData.returnPresent && !node.async) {
+            context.report({
+              node: jsdocNode,
+              messageId: "missingReturn",
+              data: {
+                returns: prefer.returns || "returns"
+              }
+            });
+          }
+        } // check the parameters
+
+
+        const jsdocParamNames = Object.keys(paramTagsByName);
+
+        if (node.params) {
+          node.params.forEach((param, paramsIndex) => {
+            const bindingParam = param.type === "AssignmentPattern" ? param.left : param; // TODO(nzakas): Figure out logical things to do with destructured, default, rest params
+
+            if (bindingParam.type === "Identifier") {
+              const name = bindingParam.name;
+
+              if (jsdocParamNames[paramsIndex] && name !== jsdocParamNames[paramsIndex]) {
+                context.report({
+                  node: jsdocNode,
+                  messageId: "expected",
+                  loc: getAbsoluteRange(jsdocNode, paramTagsByName[jsdocParamNames[paramsIndex]]),
+                  data: {
+                    name,
+                    jsdocName: jsdocParamNames[paramsIndex]
+                  }
+                });
+              } else if (!paramTagsByName[name] && !isOverride) {
+                context.report({
+                  node: jsdocNode,
+                  messageId: "missingParam",
+                  data: {
+                    name
+                  }
+                });
+              }
+            }
+          });
+        }
+
+        if (options.matchDescription) {
+          const regex = new RegExp(options.matchDescription, "u");
+
+          if (!regex.test(jsdoc.description)) {
+            context.report({
+              node: jsdocNode,
+              messageId: "unsatisfiedDesc"
+            });
+          }
+        }
+      }
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      ArrowFunctionExpression: startFunction,
+      FunctionExpression: startFunction,
+      FunctionDeclaration: startFunction,
+      ClassExpression: startFunction,
+      ClassDeclaration: startFunction,
+      "ArrowFunctionExpression:exit": checkJSDoc,
+      "FunctionExpression:exit": checkJSDoc,
+      "FunctionDeclaration:exit": checkJSDoc,
+      "ClassExpression:exit": checkJSDoc,
+      "ClassDeclaration:exit": checkJSDoc,
+      ReturnStatement: addReturn
+    };
+  }
+
+};
+
+/***/ }),
+/* 716 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+ * @fileoverview Main Doctrine object
+ * @author Yusuke Suzuki <utatane.tea@gmail.com>
+ * @author Dan Tao <daniel.tao@gmail.com>
+ * @author Andrew Eisenberg <andrew@eisenberg.as>
+ */
+(function () {
+  'use strict';
+
+  var typed, utility, jsdoc, esutils, hasOwnProperty;
+  esutils = __webpack_require__(427);
+  typed = __webpack_require__(717);
+  utility = __webpack_require__(718);
+
+  function sliceSource(source, index, last) {
+    return source.slice(index, last);
+  }
+
+  hasOwnProperty = function () {
+    var func = Object.prototype.hasOwnProperty;
+    return function hasOwnProperty(obj, name) {
+      return func.call(obj, name);
+    };
+  }();
+
+  function shallowCopy(obj) {
+    var ret = {},
+        key;
+
+    for (key in obj) {
+      if (obj.hasOwnProperty(key)) {
+        ret[key] = obj[key];
+      }
+    }
+
+    return ret;
+  }
+
+  function isASCIIAlphanumeric(ch) {
+    return ch >= 0x61
+    /* 'a' */
+    && ch <= 0x7A
+    /* 'z' */
+    || ch >= 0x41
+    /* 'A' */
+    && ch <= 0x5A
+    /* 'Z' */
+    || ch >= 0x30
+    /* '0' */
+    && ch <= 0x39
+    /* '9' */
+    ;
+  }
+
+  function isParamTitle(title) {
+    return title === 'param' || title === 'argument' || title === 'arg';
+  }
+
+  function isReturnTitle(title) {
+    return title === 'return' || title === 'returns';
+  }
+
+  function isProperty(title) {
+    return title === 'property' || title === 'prop';
+  }
+
+  function isNameParameterRequired(title) {
+    return isParamTitle(title) || isProperty(title) || title === 'alias' || title === 'this' || title === 'mixes' || title === 'requires';
+  }
+
+  function isAllowedName(title) {
+    return isNameParameterRequired(title) || title === 'const' || title === 'constant';
+  }
+
+  function isAllowedNested(title) {
+    return isProperty(title) || isParamTitle(title);
+  }
+
+  function isAllowedOptional(title) {
+    return isProperty(title) || isParamTitle(title);
+  }
+
+  function isTypeParameterRequired(title) {
+    return isParamTitle(title) || isReturnTitle(title) || title === 'define' || title === 'enum' || title === 'implements' || title === 'this' || title === 'type' || title === 'typedef' || isProperty(title);
+  } // Consider deprecation instead using 'isTypeParameterRequired' and 'Rules' declaration to pick when a type is optional/required
+  // This would require changes to 'parseType'
+
+
+  function isAllowedType(title) {
+    return isTypeParameterRequired(title) || title === 'throws' || title === 'const' || title === 'constant' || title === 'namespace' || title === 'member' || title === 'var' || title === 'module' || title === 'constructor' || title === 'class' || title === 'extends' || title === 'augments' || title === 'public' || title === 'private' || title === 'protected';
+  } // A regex character class that contains all whitespace except linebreak characters (\r, \n, \u2028, \u2029)
+
+
+  var WHITESPACE = '[ \\f\\t\\v\\u00a0\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000\\ufeff]';
+  var STAR_MATCHER = '(' + WHITESPACE + '*(?:\\*' + WHITESPACE + '?)?)(.+|[\r\n\u2028\u2029])';
+
+  function unwrapComment(doc) {
+    // JSDoc comment is following form
+    //   /**
+    //    * .......
+    //    */
+    return doc. // remove /**
+    replace(/^\/\*\*?/, ''). // remove */
+    replace(/\*\/$/, ''). // remove ' * ' at the beginning of a line
+    replace(new RegExp(STAR_MATCHER, 'g'), '$2'). // remove trailing whitespace
+    replace(/\s*$/, '');
+  }
+  /**
+   * Converts an index in an "unwrapped" JSDoc comment to the corresponding index in the original "wrapped" version
+   * @param {string} originalSource The original wrapped comment
+   * @param {number} unwrappedIndex The index of a character in the unwrapped string
+   * @returns {number} The index of the corresponding character in the original wrapped string
+   */
+
+
+  function convertUnwrappedCommentIndex(originalSource, unwrappedIndex) {
+    var replacedSource = originalSource.replace(/^\/\*\*?/, '');
+    var numSkippedChars = 0;
+    var matcher = new RegExp(STAR_MATCHER, 'g');
+    var match;
+
+    while (match = matcher.exec(replacedSource)) {
+      numSkippedChars += match[1].length;
+
+      if (match.index + match[0].length > unwrappedIndex + numSkippedChars) {
+        return unwrappedIndex + numSkippedChars + originalSource.length - replacedSource.length;
+      }
+    }
+
+    return originalSource.replace(/\*\/$/, '').replace(/\s*$/, '').length;
+  } // JSDoc Tag Parser
+
+
+  (function (exports) {
+    var Rules, index, lineNumber, length, source, originalSource, recoverable, sloppy, strict;
+
+    function advance() {
+      var ch = source.charCodeAt(index);
+      index += 1;
+
+      if (esutils.code.isLineTerminator(ch) && !(ch === 0x0D
+      /* '\r' */
+      && source.charCodeAt(index) === 0x0A
+      /* '\n' */
+      )) {
+        lineNumber += 1;
+      }
+
+      return String.fromCharCode(ch);
+    }
+
+    function scanTitle() {
+      var title = ''; // waste '@'
+
+      advance();
+
+      while (index < length && isASCIIAlphanumeric(source.charCodeAt(index))) {
+        title += advance();
+      }
+
+      return title;
+    }
+
+    function seekContent() {
+      var ch,
+          waiting,
+          last = index;
+      waiting = false;
+
+      while (last < length) {
+        ch = source.charCodeAt(last);
+
+        if (esutils.code.isLineTerminator(ch) && !(ch === 0x0D
+        /* '\r' */
+        && source.charCodeAt(last + 1) === 0x0A
+        /* '\n' */
+        )) {
+          waiting = true;
+        } else if (waiting) {
+          if (ch === 0x40
+          /* '@' */
+          ) {
+              break;
+            }
+
+          if (!esutils.code.isWhiteSpace(ch)) {
+            waiting = false;
+          }
+        }
+
+        last += 1;
+      }
+
+      return last;
+    } // type expression may have nest brace, such as,
+    // { { ok: string } }
+    //
+    // therefore, scanning type expression with balancing braces.
+
+
+    function parseType(title, last, addRange) {
+      var ch,
+          brace,
+          type,
+          startIndex,
+          direct = false; // search '{'
+
+      while (index < last) {
+        ch = source.charCodeAt(index);
+
+        if (esutils.code.isWhiteSpace(ch)) {
+          advance();
+        } else if (ch === 0x7B
+        /* '{' */
+        ) {
+            advance();
+            break;
+          } else {
+          // this is direct pattern
+          direct = true;
+          break;
+        }
+      }
+
+      if (direct) {
+        return null;
+      } // type expression { is found
+
+
+      brace = 1;
+      type = '';
+
+      while (index < last) {
+        ch = source.charCodeAt(index);
+
+        if (esutils.code.isLineTerminator(ch)) {
+          advance();
+        } else {
+          if (ch === 0x7D
+          /* '}' */
+          ) {
+              brace -= 1;
+
+              if (brace === 0) {
+                advance();
+                break;
+              }
+            } else if (ch === 0x7B
+          /* '{' */
+          ) {
+              brace += 1;
+            }
+
+          if (type === '') {
+            startIndex = index;
+          }
+
+          type += advance();
+        }
+      }
+
+      if (brace !== 0) {
+        // braces is not balanced
+        return utility.throwError('Braces are not balanced');
+      }
+
+      if (isAllowedOptional(title)) {
+        return typed.parseParamType(type, {
+          startIndex: convertIndex(startIndex),
+          range: addRange
+        });
+      }
+
+      return typed.parseType(type, {
+        startIndex: convertIndex(startIndex),
+        range: addRange
+      });
+    }
+
+    function scanIdentifier(last) {
+      var identifier;
+
+      if (!esutils.code.isIdentifierStartES5(source.charCodeAt(index)) && !source[index].match(/[0-9]/)) {
+        return null;
+      }
+
+      identifier = advance();
+
+      while (index < last && esutils.code.isIdentifierPartES5(source.charCodeAt(index))) {
+        identifier += advance();
+      }
+
+      return identifier;
+    }
+
+    function skipWhiteSpace(last) {
+      while (index < last && (esutils.code.isWhiteSpace(source.charCodeAt(index)) || esutils.code.isLineTerminator(source.charCodeAt(index)))) {
+        advance();
+      }
+    }
+
+    function parseName(last, allowBrackets, allowNestedParams) {
+      var name = '',
+          useBrackets,
+          insideString;
+      skipWhiteSpace(last);
+
+      if (index >= last) {
+        return null;
+      }
+
+      if (source.charCodeAt(index) === 0x5B
+      /* '[' */
+      ) {
+          if (allowBrackets) {
+            useBrackets = true;
+            name = advance();
+          } else {
+            return null;
+          }
+        }
+
+      name += scanIdentifier(last);
+
+      if (allowNestedParams) {
+        if (source.charCodeAt(index) === 0x3A
+        /* ':' */
+        && (name === 'module' || name === 'external' || name === 'event')) {
+          name += advance();
+          name += scanIdentifier(last);
+        }
+
+        if (source.charCodeAt(index) === 0x5B
+        /* '[' */
+        && source.charCodeAt(index + 1) === 0x5D
+        /* ']' */
+        ) {
+            name += advance();
+            name += advance();
+          }
+
+        while (source.charCodeAt(index) === 0x2E
+        /* '.' */
+        || source.charCodeAt(index) === 0x2F
+        /* '/' */
+        || source.charCodeAt(index) === 0x23
+        /* '#' */
+        || source.charCodeAt(index) === 0x2D
+        /* '-' */
+        || source.charCodeAt(index) === 0x7E
+        /* '~' */
+        ) {
+          name += advance();
+          name += scanIdentifier(last);
+        }
+      }
+
+      if (useBrackets) {
+        skipWhiteSpace(last); // do we have a default value for this?
+
+        if (source.charCodeAt(index) === 0x3D
+        /* '=' */
+        ) {
+            // consume the '='' symbol
+            name += advance();
+            skipWhiteSpace(last);
+            var ch;
+            var bracketDepth = 1; // scan in the default value
+
+            while (index < last) {
+              ch = source.charCodeAt(index);
+
+              if (esutils.code.isWhiteSpace(ch)) {
+                if (!insideString) {
+                  skipWhiteSpace(last);
+                  ch = source.charCodeAt(index);
+                }
+              }
+
+              if (ch === 0x27
+              /* ''' */
+              ) {
+                  if (!insideString) {
+                    insideString = '\'';
+                  } else {
+                    if (insideString === '\'') {
+                      insideString = '';
+                    }
+                  }
+                }
+
+              if (ch === 0x22
+              /* '"' */
+              ) {
+                  if (!insideString) {
+                    insideString = '"';
+                  } else {
+                    if (insideString === '"') {
+                      insideString = '';
+                    }
+                  }
+                }
+
+              if (ch === 0x5B
+              /* '[' */
+              ) {
+                  bracketDepth++;
+                } else if (ch === 0x5D
+              /* ']' */
+              && --bracketDepth === 0) {
+                break;
+              }
+
+              name += advance();
+            }
+          }
+
+        skipWhiteSpace(last);
+
+        if (index >= last || source.charCodeAt(index) !== 0x5D
+        /* ']' */
+        ) {
+            // we never found a closing ']'
+            return null;
+          } // collect the last ']'
+
+
+        name += advance();
+      }
+
+      return name;
+    }
+
+    function skipToTag() {
+      while (index < length && source.charCodeAt(index) !== 0x40
+      /* '@' */
+      ) {
+        advance();
+      }
+
+      if (index >= length) {
+        return false;
+      }
+
+      utility.assert(source.charCodeAt(index) === 0x40
+      /* '@' */
+      );
+      return true;
+    }
+
+    function convertIndex(rangeIndex) {
+      if (source === originalSource) {
+        return rangeIndex;
+      }
+
+      return convertUnwrappedCommentIndex(originalSource, rangeIndex);
+    }
+
+    function TagParser(options, title) {
+      this._options = options;
+      this._title = title.toLowerCase();
+      this._tag = {
+        title: title,
+        description: null
+      };
+
+      if (this._options.lineNumbers) {
+        this._tag.lineNumber = lineNumber;
+      }
+
+      this._first = index - title.length - 1;
+      this._last = 0; // space to save special information for title parsers.
+
+      this._extra = {};
+    } // addError(err, ...)
+
+
+    TagParser.prototype.addError = function addError(errorText) {
+      var args = Array.prototype.slice.call(arguments, 1),
+          msg = errorText.replace(/%(\d)/g, function (whole, index) {
+        utility.assert(index < args.length, 'Message reference must be in range');
+        return args[index];
+      });
+
+      if (!this._tag.errors) {
+        this._tag.errors = [];
+      }
+
+      if (strict) {
+        utility.throwError(msg);
+      }
+
+      this._tag.errors.push(msg);
+
+      return recoverable;
+    };
+
+    TagParser.prototype.parseType = function () {
+      // type required titles
+      if (isTypeParameterRequired(this._title)) {
+        try {
+          this._tag.type = parseType(this._title, this._last, this._options.range);
+
+          if (!this._tag.type) {
+            if (!isParamTitle(this._title) && !isReturnTitle(this._title)) {
+              if (!this.addError('Missing or invalid tag type')) {
+                return false;
+              }
+            }
+          }
+        } catch (error) {
+          this._tag.type = null;
+
+          if (!this.addError(error.message)) {
+            return false;
+          }
+        }
+      } else if (isAllowedType(this._title)) {
+        // optional types
+        try {
+          this._tag.type = parseType(this._title, this._last, this._options.range);
+        } catch (e) {//For optional types, lets drop the thrown error when we hit the end of the file
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype._parseNamePath = function (optional) {
+      var name;
+      name = parseName(this._last, sloppy && isAllowedOptional(this._title), true);
+
+      if (!name) {
+        if (!optional) {
+          if (!this.addError('Missing or invalid tag name')) {
+            return false;
+          }
+        }
+      }
+
+      this._tag.name = name;
+      return true;
+    };
+
+    TagParser.prototype.parseNamePath = function () {
+      return this._parseNamePath(false);
+    };
+
+    TagParser.prototype.parseNamePathOptional = function () {
+      return this._parseNamePath(true);
+    };
+
+    TagParser.prototype.parseName = function () {
+      var assign, name; // param, property requires name
+
+      if (isAllowedName(this._title)) {
+        this._tag.name = parseName(this._last, sloppy && isAllowedOptional(this._title), isAllowedNested(this._title));
+
+        if (!this._tag.name) {
+          if (!isNameParameterRequired(this._title)) {
+            return true;
+          } // it's possible the name has already been parsed but interpreted as a type
+          // it's also possible this is a sloppy declaration, in which case it will be
+          // fixed at the end
+
+
+          if (isParamTitle(this._title) && this._tag.type && this._tag.type.name) {
+            this._extra.name = this._tag.type;
+            this._tag.name = this._tag.type.name;
+            this._tag.type = null;
+          } else {
+            if (!this.addError('Missing or invalid tag name')) {
+              return false;
+            }
+          }
+        } else {
+          name = this._tag.name;
+
+          if (name.charAt(0) === '[' && name.charAt(name.length - 1) === ']') {
+            // extract the default value if there is one
+            // example: @param {string} [somebody=John Doe] description
+            assign = name.substring(1, name.length - 1).split('=');
+
+            if (assign.length > 1) {
+              this._tag['default'] = assign.slice(1).join('=');
+            }
+
+            this._tag.name = assign[0]; // convert to an optional type
+
+            if (this._tag.type && this._tag.type.type !== 'OptionalType') {
+              this._tag.type = {
+                type: 'OptionalType',
+                expression: this._tag.type
+              };
+            }
+          }
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.parseDescription = function parseDescription() {
+      var description = sliceSource(source, index, this._last).trim();
+
+      if (description) {
+        if (/^-\s+/.test(description)) {
+          description = description.substring(2);
+        }
+
+        this._tag.description = description;
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.parseCaption = function parseDescription() {
+      var description = sliceSource(source, index, this._last).trim();
+      var captionStartTag = '<caption>';
+      var captionEndTag = '</caption>';
+      var captionStart = description.indexOf(captionStartTag);
+      var captionEnd = description.indexOf(captionEndTag);
+
+      if (captionStart >= 0 && captionEnd >= 0) {
+        this._tag.caption = description.substring(captionStart + captionStartTag.length, captionEnd).trim();
+        this._tag.description = description.substring(captionEnd + captionEndTag.length).trim();
+      } else {
+        this._tag.description = description;
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.parseKind = function parseKind() {
+      var kind, kinds;
+      kinds = {
+        'class': true,
+        'constant': true,
+        'event': true,
+        'external': true,
+        'file': true,
+        'function': true,
+        'member': true,
+        'mixin': true,
+        'module': true,
+        'namespace': true,
+        'typedef': true
+      };
+      kind = sliceSource(source, index, this._last).trim();
+      this._tag.kind = kind;
+
+      if (!hasOwnProperty(kinds, kind)) {
+        if (!this.addError('Invalid kind name \'%0\'', kind)) {
+          return false;
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.parseAccess = function parseAccess() {
+      var access;
+      access = sliceSource(source, index, this._last).trim();
+      this._tag.access = access;
+
+      if (access !== 'private' && access !== 'protected' && access !== 'public') {
+        if (!this.addError('Invalid access name \'%0\'', access)) {
+          return false;
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.parseThis = function parseThis() {
+      // this name may be a name expression (e.g. {foo.bar}),
+      // an union (e.g. {foo.bar|foo.baz}) or a name path (e.g. foo.bar)
+      var value = sliceSource(source, index, this._last).trim();
+
+      if (value && value.charAt(0) === '{') {
+        var gotType = this.parseType();
+
+        if (gotType && this._tag.type.type === 'NameExpression' || this._tag.type.type === 'UnionType') {
+          this._tag.name = this._tag.type.name;
+          return true;
+        } else {
+          return this.addError('Invalid name for this');
+        }
+      } else {
+        return this.parseNamePath();
+      }
+    };
+
+    TagParser.prototype.parseVariation = function parseVariation() {
+      var variation, text;
+      text = sliceSource(source, index, this._last).trim();
+      variation = parseFloat(text, 10);
+      this._tag.variation = variation;
+
+      if (isNaN(variation)) {
+        if (!this.addError('Invalid variation \'%0\'', text)) {
+          return false;
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.ensureEnd = function () {
+      var shouldBeEmpty = sliceSource(source, index, this._last).trim();
+
+      if (shouldBeEmpty) {
+        if (!this.addError('Unknown content \'%0\'', shouldBeEmpty)) {
+          return false;
+        }
+      }
+
+      return true;
+    };
+
+    TagParser.prototype.epilogue = function epilogue() {
+      var description;
+      description = this._tag.description; // un-fix potentially sloppy declaration
+
+      if (isAllowedOptional(this._title) && !this._tag.type && description && description.charAt(0) === '[') {
+        this._tag.type = this._extra.name;
+
+        if (!this._tag.name) {
+          this._tag.name = undefined;
+        }
+
+        if (!sloppy) {
+          if (!this.addError('Missing or invalid tag name')) {
+            return false;
+          }
+        }
+      }
+
+      return true;
+    };
+
+    Rules = {
+      // http://usejsdoc.org/tags-access.html
+      'access': ['parseAccess'],
+      // http://usejsdoc.org/tags-alias.html
+      'alias': ['parseNamePath', 'ensureEnd'],
+      // http://usejsdoc.org/tags-augments.html
+      'augments': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-constructor.html
+      'constructor': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // Synonym: http://usejsdoc.org/tags-constructor.html
+      'class': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // Synonym: http://usejsdoc.org/tags-extends.html
+      'extends': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-example.html
+      'example': ['parseCaption'],
+      // http://usejsdoc.org/tags-deprecated.html
+      'deprecated': ['parseDescription'],
+      // http://usejsdoc.org/tags-global.html
+      'global': ['ensureEnd'],
+      // http://usejsdoc.org/tags-inner.html
+      'inner': ['ensureEnd'],
+      // http://usejsdoc.org/tags-instance.html
+      'instance': ['ensureEnd'],
+      // http://usejsdoc.org/tags-kind.html
+      'kind': ['parseKind'],
+      // http://usejsdoc.org/tags-mixes.html
+      'mixes': ['parseNamePath', 'ensureEnd'],
+      // http://usejsdoc.org/tags-mixin.html
+      'mixin': ['parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-member.html
+      'member': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-method.html
+      'method': ['parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-module.html
+      'module': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // Synonym: http://usejsdoc.org/tags-method.html
+      'func': ['parseNamePathOptional', 'ensureEnd'],
+      // Synonym: http://usejsdoc.org/tags-method.html
+      'function': ['parseNamePathOptional', 'ensureEnd'],
+      // Synonym: http://usejsdoc.org/tags-member.html
+      'var': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-name.html
+      'name': ['parseNamePath', 'ensureEnd'],
+      // http://usejsdoc.org/tags-namespace.html
+      'namespace': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
+      // http://usejsdoc.org/tags-private.html
+      'private': ['parseType', 'parseDescription'],
+      // http://usejsdoc.org/tags-protected.html
+      'protected': ['parseType', 'parseDescription'],
+      // http://usejsdoc.org/tags-public.html
+      'public': ['parseType', 'parseDescription'],
+      // http://usejsdoc.org/tags-readonly.html
+      'readonly': ['ensureEnd'],
+      // http://usejsdoc.org/tags-requires.html
+      'requires': ['parseNamePath', 'ensureEnd'],
+      // http://usejsdoc.org/tags-since.html
+      'since': ['parseDescription'],
+      // http://usejsdoc.org/tags-static.html
+      'static': ['ensureEnd'],
+      // http://usejsdoc.org/tags-summary.html
+      'summary': ['parseDescription'],
+      // http://usejsdoc.org/tags-this.html
+      'this': ['parseThis', 'ensureEnd'],
+      // http://usejsdoc.org/tags-todo.html
+      'todo': ['parseDescription'],
+      // http://usejsdoc.org/tags-typedef.html
+      'typedef': ['parseType', 'parseNamePathOptional'],
+      // http://usejsdoc.org/tags-variation.html
+      'variation': ['parseVariation'],
+      // http://usejsdoc.org/tags-version.html
+      'version': ['parseDescription']
+    };
+
+    TagParser.prototype.parse = function parse() {
+      var i, iz, sequences, method; // empty title
+
+      if (!this._title) {
+        if (!this.addError('Missing or invalid title')) {
+          return null;
+        }
+      } // Seek to content last index.
+
+
+      this._last = seekContent(this._title);
+
+      if (this._options.range) {
+        this._tag.range = [this._first, source.slice(0, this._last).replace(/\s*$/, '').length].map(convertIndex);
+      }
+
+      if (hasOwnProperty(Rules, this._title)) {
+        sequences = Rules[this._title];
+      } else {
+        // default sequences
+        sequences = ['parseType', 'parseName', 'parseDescription', 'epilogue'];
+      }
+
+      for (i = 0, iz = sequences.length; i < iz; ++i) {
+        method = sequences[i];
+
+        if (!this[method]()) {
+          return null;
+        }
+      }
+
+      return this._tag;
+    };
+
+    function parseTag(options) {
+      var title, parser, tag; // skip to tag
+
+      if (!skipToTag()) {
+        return null;
+      } // scan title
+
+
+      title = scanTitle(); // construct tag parser
+
+      parser = new TagParser(options, title);
+      tag = parser.parse(); // Seek global index to end of this tag.
+
+      while (index < parser._last) {
+        advance();
+      }
+
+      return tag;
+    } //
+    // Parse JSDoc
+    //
+
+
+    function scanJSDocDescription(preserveWhitespace) {
+      var description = '',
+          ch,
+          atAllowed;
+      atAllowed = true;
+
+      while (index < length) {
+        ch = source.charCodeAt(index);
+
+        if (atAllowed && ch === 0x40
+        /* '@' */
+        ) {
+            break;
+          }
+
+        if (esutils.code.isLineTerminator(ch)) {
+          atAllowed = true;
+        } else if (atAllowed && !esutils.code.isWhiteSpace(ch)) {
+          atAllowed = false;
+        }
+
+        description += advance();
+      }
+
+      return preserveWhitespace ? description : description.trim();
+    }
+
+    function parse(comment, options) {
+      var tags = [],
+          tag,
+          description,
+          interestingTags,
+          i,
+          iz;
+
+      if (options === undefined) {
+        options = {};
+      }
+
+      if (typeof options.unwrap === 'boolean' && options.unwrap) {
+        source = unwrapComment(comment);
+      } else {
+        source = comment;
+      }
+
+      originalSource = comment; // array of relevant tags
+
+      if (options.tags) {
+        if (Array.isArray(options.tags)) {
+          interestingTags = {};
+
+          for (i = 0, iz = options.tags.length; i < iz; i++) {
+            if (typeof options.tags[i] === 'string') {
+              interestingTags[options.tags[i]] = true;
+            } else {
+              utility.throwError('Invalid "tags" parameter: ' + options.tags);
+            }
+          }
+        } else {
+          utility.throwError('Invalid "tags" parameter: ' + options.tags);
+        }
+      }
+
+      length = source.length;
+      index = 0;
+      lineNumber = 0;
+      recoverable = options.recoverable;
+      sloppy = options.sloppy;
+      strict = options.strict;
+      description = scanJSDocDescription(options.preserveWhitespace);
+
+      while (true) {
+        tag = parseTag(options);
+
+        if (!tag) {
+          break;
+        }
+
+        if (!interestingTags || interestingTags.hasOwnProperty(tag.title)) {
+          tags.push(tag);
+        }
+      }
+
+      return {
+        description: description,
+        tags: tags
+      };
+    }
+
+    exports.parse = parse;
+  })(jsdoc = {});
+
+  exports.version = utility.VERSION;
+  exports.parse = jsdoc.parse;
+  exports.parseType = typed.parseType;
+  exports.parseParamType = typed.parseParamType;
+  exports.unwrapComment = unwrapComment;
+  exports.Syntax = shallowCopy(typed.Syntax);
+  exports.Error = utility.DoctrineError;
+  exports.type = {
+    Syntax: exports.Syntax,
+    parseType: typed.parseType,
+    parseParamType: typed.parseParamType,
+    stringify: typed.stringify
+  };
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 717 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+ * @fileoverview Type expression parser.
+ * @author Yusuke Suzuki <utatane.tea@gmail.com>
+ * @author Dan Tao <daniel.tao@gmail.com>
+ * @author Andrew Eisenberg <andrew@eisenberg.as>
+ */
+// "typed", the Type Expression Parser for doctrine.
+(function () {
+  'use strict';
+
+  var Syntax, Token, source, length, index, previous, token, value, esutils, utility, rangeOffset, addRange;
+  esutils = __webpack_require__(427);
+  utility = __webpack_require__(718);
+  Syntax = {
+    NullableLiteral: 'NullableLiteral',
+    AllLiteral: 'AllLiteral',
+    NullLiteral: 'NullLiteral',
+    UndefinedLiteral: 'UndefinedLiteral',
+    VoidLiteral: 'VoidLiteral',
+    UnionType: 'UnionType',
+    ArrayType: 'ArrayType',
+    RecordType: 'RecordType',
+    FieldType: 'FieldType',
+    FunctionType: 'FunctionType',
+    ParameterType: 'ParameterType',
+    RestType: 'RestType',
+    NonNullableType: 'NonNullableType',
+    OptionalType: 'OptionalType',
+    NullableType: 'NullableType',
+    NameExpression: 'NameExpression',
+    TypeApplication: 'TypeApplication',
+    StringLiteralType: 'StringLiteralType',
+    NumericLiteralType: 'NumericLiteralType',
+    BooleanLiteralType: 'BooleanLiteralType'
+  };
+  Token = {
+    ILLEGAL: 0,
+    // ILLEGAL
+    DOT_LT: 1,
+    // .<
+    REST: 2,
+    // ...
+    LT: 3,
+    // <
+    GT: 4,
+    // >
+    LPAREN: 5,
+    // (
+    RPAREN: 6,
+    // )
+    LBRACE: 7,
+    // {
+    RBRACE: 8,
+    // }
+    LBRACK: 9,
+    // [
+    RBRACK: 10,
+    // ]
+    COMMA: 11,
+    // ,
+    COLON: 12,
+    // :
+    STAR: 13,
+    // *
+    PIPE: 14,
+    // |
+    QUESTION: 15,
+    // ?
+    BANG: 16,
+    // !
+    EQUAL: 17,
+    // =
+    NAME: 18,
+    // name token
+    STRING: 19,
+    // string
+    NUMBER: 20,
+    // number
+    EOF: 21
+  };
+
+  function isTypeName(ch) {
+    return '><(){}[],:*|?!='.indexOf(String.fromCharCode(ch)) === -1 && !esutils.code.isWhiteSpace(ch) && !esutils.code.isLineTerminator(ch);
+  }
+
+  function Context(previous, index, token, value) {
+    this._previous = previous;
+    this._index = index;
+    this._token = token;
+    this._value = value;
+  }
+
+  Context.prototype.restore = function () {
+    previous = this._previous;
+    index = this._index;
+    token = this._token;
+    value = this._value;
+  };
+
+  Context.save = function () {
+    return new Context(previous, index, token, value);
+  };
+
+  function maybeAddRange(node, range) {
+    if (addRange) {
+      node.range = [range[0] + rangeOffset, range[1] + rangeOffset];
+    }
+
+    return node;
+  }
+
+  function advance() {
+    var ch = source.charAt(index);
+    index += 1;
+    return ch;
+  }
+
+  function scanHexEscape(prefix) {
+    var i,
+        len,
+        ch,
+        code = 0;
+    len = prefix === 'u' ? 4 : 2;
+
+    for (i = 0; i < len; ++i) {
+      if (index < length && esutils.code.isHexDigit(source.charCodeAt(index))) {
+        ch = advance();
+        code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
+      } else {
+        return '';
+      }
+    }
+
+    return String.fromCharCode(code);
+  }
+
+  function scanString() {
+    var str = '',
+        quote,
+        ch,
+        code,
+        unescaped,
+        restore; //TODO review removal octal = false
+
+    quote = source.charAt(index);
+    ++index;
+
+    while (index < length) {
+      ch = advance();
+
+      if (ch === quote) {
+        quote = '';
+        break;
+      } else if (ch === '\\') {
+        ch = advance();
+
+        if (!esutils.code.isLineTerminator(ch.charCodeAt(0))) {
+          switch (ch) {
+            case 'n':
+              str += '\n';
+              break;
+
+            case 'r':
+              str += '\r';
+              break;
+
+            case 't':
+              str += '\t';
+              break;
+
+            case 'u':
+            case 'x':
+              restore = index;
+              unescaped = scanHexEscape(ch);
+
+              if (unescaped) {
+                str += unescaped;
+              } else {
+                index = restore;
+                str += ch;
+              }
+
+              break;
+
+            case 'b':
+              str += '\b';
+              break;
+
+            case 'f':
+              str += '\f';
+              break;
+
+            case 'v':
+              str += '\v';
+              break;
+
+            default:
+              if (esutils.code.isOctalDigit(ch.charCodeAt(0))) {
+                code = '01234567'.indexOf(ch); // \0 is not octal escape sequence
+                // Deprecating unused code. TODO review removal
+                //if (code !== 0) {
+                //    octal = true;
+                //}
+
+                if (index < length && esutils.code.isOctalDigit(source.charCodeAt(index))) {
+                  //TODO Review Removal octal = true;
+                  code = code * 8 + '01234567'.indexOf(advance()); // 3 digits are only allowed when string starts
+                  // with 0, 1, 2, 3
+
+                  if ('0123'.indexOf(ch) >= 0 && index < length && esutils.code.isOctalDigit(source.charCodeAt(index))) {
+                    code = code * 8 + '01234567'.indexOf(advance());
+                  }
+                }
+
+                str += String.fromCharCode(code);
+              } else {
+                str += ch;
+              }
+
+              break;
+          }
+        } else {
+          if (ch === '\r' && source.charCodeAt(index) === 0x0A
+          /* '\n' */
+          ) {
+              ++index;
+            }
+        }
+      } else if (esutils.code.isLineTerminator(ch.charCodeAt(0))) {
+        break;
+      } else {
+        str += ch;
+      }
+    }
+
+    if (quote !== '') {
+      utility.throwError('unexpected quote');
+    }
+
+    value = str;
+    return Token.STRING;
+  }
+
+  function scanNumber() {
+    var number, ch;
+    number = '';
+    ch = source.charCodeAt(index);
+
+    if (ch !== 0x2E
+    /* '.' */
+    ) {
+        number = advance();
+        ch = source.charCodeAt(index);
+
+        if (number === '0') {
+          if (ch === 0x78
+          /* 'x' */
+          || ch === 0x58
+          /* 'X' */
+          ) {
+              number += advance();
+
+              while (index < length) {
+                ch = source.charCodeAt(index);
+
+                if (!esutils.code.isHexDigit(ch)) {
+                  break;
+                }
+
+                number += advance();
+              }
+
+              if (number.length <= 2) {
+                // only 0x
+                utility.throwError('unexpected token');
+              }
+
+              if (index < length) {
+                ch = source.charCodeAt(index);
+
+                if (esutils.code.isIdentifierStartES5(ch)) {
+                  utility.throwError('unexpected token');
+                }
+              }
+
+              value = parseInt(number, 16);
+              return Token.NUMBER;
+            }
+
+          if (esutils.code.isOctalDigit(ch)) {
+            number += advance();
+
+            while (index < length) {
+              ch = source.charCodeAt(index);
+
+              if (!esutils.code.isOctalDigit(ch)) {
+                break;
+              }
+
+              number += advance();
+            }
+
+            if (index < length) {
+              ch = source.charCodeAt(index);
+
+              if (esutils.code.isIdentifierStartES5(ch) || esutils.code.isDecimalDigit(ch)) {
+                utility.throwError('unexpected token');
+              }
+            }
+
+            value = parseInt(number, 8);
+            return Token.NUMBER;
+          }
+
+          if (esutils.code.isDecimalDigit(ch)) {
+            utility.throwError('unexpected token');
+          }
+        }
+
+        while (index < length) {
+          ch = source.charCodeAt(index);
+
+          if (!esutils.code.isDecimalDigit(ch)) {
+            break;
+          }
+
+          number += advance();
+        }
+      }
+
+    if (ch === 0x2E
+    /* '.' */
+    ) {
+        number += advance();
+
+        while (index < length) {
+          ch = source.charCodeAt(index);
+
+          if (!esutils.code.isDecimalDigit(ch)) {
+            break;
+          }
+
+          number += advance();
+        }
+      }
+
+    if (ch === 0x65
+    /* 'e' */
+    || ch === 0x45
+    /* 'E' */
+    ) {
+        number += advance();
+        ch = source.charCodeAt(index);
+
+        if (ch === 0x2B
+        /* '+' */
+        || ch === 0x2D
+        /* '-' */
+        ) {
+            number += advance();
+          }
+
+        ch = source.charCodeAt(index);
+
+        if (esutils.code.isDecimalDigit(ch)) {
+          number += advance();
+
+          while (index < length) {
+            ch = source.charCodeAt(index);
+
+            if (!esutils.code.isDecimalDigit(ch)) {
+              break;
+            }
+
+            number += advance();
+          }
+        } else {
+          utility.throwError('unexpected token');
+        }
+      }
+
+    if (index < length) {
+      ch = source.charCodeAt(index);
+
+      if (esutils.code.isIdentifierStartES5(ch)) {
+        utility.throwError('unexpected token');
+      }
+    }
+
+    value = parseFloat(number);
+    return Token.NUMBER;
+  }
+
+  function scanTypeName() {
+    var ch, ch2;
+    value = advance();
+
+    while (index < length && isTypeName(source.charCodeAt(index))) {
+      ch = source.charCodeAt(index);
+
+      if (ch === 0x2E
+      /* '.' */
+      ) {
+          if (index + 1 >= length) {
+            return Token.ILLEGAL;
+          }
+
+          ch2 = source.charCodeAt(index + 1);
+
+          if (ch2 === 0x3C
+          /* '<' */
+          ) {
+              break;
+            }
+        }
+
+      value += advance();
+    }
+
+    return Token.NAME;
+  }
+
+  function next() {
+    var ch;
+    previous = index;
+
+    while (index < length && esutils.code.isWhiteSpace(source.charCodeAt(index))) {
+      advance();
+    }
+
+    if (index >= length) {
+      token = Token.EOF;
+      return token;
+    }
+
+    ch = source.charCodeAt(index);
+
+    switch (ch) {
+      case 0x27:
+      /* ''' */
+
+      case 0x22:
+        /* '"' */
+        token = scanString();
+        return token;
+
+      case 0x3A:
+        /* ':' */
+        advance();
+        token = Token.COLON;
+        return token;
+
+      case 0x2C:
+        /* ',' */
+        advance();
+        token = Token.COMMA;
+        return token;
+
+      case 0x28:
+        /* '(' */
+        advance();
+        token = Token.LPAREN;
+        return token;
+
+      case 0x29:
+        /* ')' */
+        advance();
+        token = Token.RPAREN;
+        return token;
+
+      case 0x5B:
+        /* '[' */
+        advance();
+        token = Token.LBRACK;
+        return token;
+
+      case 0x5D:
+        /* ']' */
+        advance();
+        token = Token.RBRACK;
+        return token;
+
+      case 0x7B:
+        /* '{' */
+        advance();
+        token = Token.LBRACE;
+        return token;
+
+      case 0x7D:
+        /* '}' */
+        advance();
+        token = Token.RBRACE;
+        return token;
+
+      case 0x2E:
+        /* '.' */
+        if (index + 1 < length) {
+          ch = source.charCodeAt(index + 1);
+
+          if (ch === 0x3C
+          /* '<' */
+          ) {
+              advance(); // '.'
+
+              advance(); // '<'
+
+              token = Token.DOT_LT;
+              return token;
+            }
+
+          if (ch === 0x2E
+          /* '.' */
+          && index + 2 < length && source.charCodeAt(index + 2) === 0x2E
+          /* '.' */
+          ) {
+              advance(); // '.'
+
+              advance(); // '.'
+
+              advance(); // '.'
+
+              token = Token.REST;
+              return token;
+            }
+
+          if (esutils.code.isDecimalDigit(ch)) {
+            token = scanNumber();
+            return token;
+          }
+        }
+
+        token = Token.ILLEGAL;
+        return token;
+
+      case 0x3C:
+        /* '<' */
+        advance();
+        token = Token.LT;
+        return token;
+
+      case 0x3E:
+        /* '>' */
+        advance();
+        token = Token.GT;
+        return token;
+
+      case 0x2A:
+        /* '*' */
+        advance();
+        token = Token.STAR;
+        return token;
+
+      case 0x7C:
+        /* '|' */
+        advance();
+        token = Token.PIPE;
+        return token;
+
+      case 0x3F:
+        /* '?' */
+        advance();
+        token = Token.QUESTION;
+        return token;
+
+      case 0x21:
+        /* '!' */
+        advance();
+        token = Token.BANG;
+        return token;
+
+      case 0x3D:
+        /* '=' */
+        advance();
+        token = Token.EQUAL;
+        return token;
+
+      case 0x2D:
+        /* '-' */
+        token = scanNumber();
+        return token;
+
+      default:
+        if (esutils.code.isDecimalDigit(ch)) {
+          token = scanNumber();
+          return token;
+        } // type string permits following case,
+        //
+        // namespace.module.MyClass
+        //
+        // this reduced 1 token TK_NAME
+
+
+        utility.assert(isTypeName(ch));
+        token = scanTypeName();
+        return token;
+    }
+  }
+
+  function consume(target, text) {
+    utility.assert(token === target, text || 'consumed token not matched');
+    next();
+  }
+
+  function expect(target, message) {
+    if (token !== target) {
+      utility.throwError(message || 'unexpected token');
+    }
+
+    next();
+  } // UnionType := '(' TypeUnionList ')'
+  //
+  // TypeUnionList :=
+  //     <<empty>>
+  //   | NonemptyTypeUnionList
+  //
+  // NonemptyTypeUnionList :=
+  //     TypeExpression
+  //   | TypeExpression '|' NonemptyTypeUnionList
+
+
+  function parseUnionType() {
+    var elements,
+        startIndex = index - 1;
+    consume(Token.LPAREN, 'UnionType should start with (');
+    elements = [];
+
+    if (token !== Token.RPAREN) {
+      while (true) {
+        elements.push(parseTypeExpression());
+
+        if (token === Token.RPAREN) {
+          break;
+        }
+
+        expect(Token.PIPE);
+      }
+    }
+
+    consume(Token.RPAREN, 'UnionType should end with )');
+    return maybeAddRange({
+      type: Syntax.UnionType,
+      elements: elements
+    }, [startIndex, previous]);
+  } // ArrayType := '[' ElementTypeList ']'
+  //
+  // ElementTypeList :=
+  //     <<empty>>
+  //  | TypeExpression
+  //  | '...' TypeExpression
+  //  | TypeExpression ',' ElementTypeList
+
+
+  function parseArrayType() {
+    var elements,
+        startIndex = index - 1,
+        restStartIndex;
+    consume(Token.LBRACK, 'ArrayType should start with [');
+    elements = [];
+
+    while (token !== Token.RBRACK) {
+      if (token === Token.REST) {
+        restStartIndex = index - 3;
+        consume(Token.REST);
+        elements.push(maybeAddRange({
+          type: Syntax.RestType,
+          expression: parseTypeExpression()
+        }, [restStartIndex, previous]));
+        break;
+      } else {
+        elements.push(parseTypeExpression());
+      }
+
+      if (token !== Token.RBRACK) {
+        expect(Token.COMMA);
+      }
+    }
+
+    expect(Token.RBRACK);
+    return maybeAddRange({
+      type: Syntax.ArrayType,
+      elements: elements
+    }, [startIndex, previous]);
+  }
+
+  function parseFieldName() {
+    var v = value;
+
+    if (token === Token.NAME || token === Token.STRING) {
+      next();
+      return v;
+    }
+
+    if (token === Token.NUMBER) {
+      consume(Token.NUMBER);
+      return String(v);
+    }
+
+    utility.throwError('unexpected token');
+  } // FieldType :=
+  //     FieldName
+  //   | FieldName ':' TypeExpression
+  //
+  // FieldName :=
+  //     NameExpression
+  //   | StringLiteral
+  //   | NumberLiteral
+  //   | ReservedIdentifier
+
+
+  function parseFieldType() {
+    var key,
+        rangeStart = previous;
+    key = parseFieldName();
+
+    if (token === Token.COLON) {
+      consume(Token.COLON);
+      return maybeAddRange({
+        type: Syntax.FieldType,
+        key: key,
+        value: parseTypeExpression()
+      }, [rangeStart, previous]);
+    }
+
+    return maybeAddRange({
+      type: Syntax.FieldType,
+      key: key,
+      value: null
+    }, [rangeStart, previous]);
+  } // RecordType := '{' FieldTypeList '}'
+  //
+  // FieldTypeList :=
+  //     <<empty>>
+  //   | FieldType
+  //   | FieldType ',' FieldTypeList
+
+
+  function parseRecordType() {
+    var fields,
+        rangeStart = index - 1,
+        rangeEnd;
+    consume(Token.LBRACE, 'RecordType should start with {');
+    fields = [];
+
+    if (token === Token.COMMA) {
+      consume(Token.COMMA);
+    } else {
+      while (token !== Token.RBRACE) {
+        fields.push(parseFieldType());
+
+        if (token !== Token.RBRACE) {
+          expect(Token.COMMA);
+        }
+      }
+    }
+
+    rangeEnd = index;
+    expect(Token.RBRACE);
+    return maybeAddRange({
+      type: Syntax.RecordType,
+      fields: fields
+    }, [rangeStart, rangeEnd]);
+  } // NameExpression :=
+  //    Identifier
+  //  | TagIdentifier ':' Identifier
+  //
+  // Tag identifier is one of "module", "external" or "event"
+  // Identifier is the same as Token.NAME, including any dots, something like
+  // namespace.module.MyClass
+
+
+  function parseNameExpression() {
+    var name = value,
+        rangeStart = index - name.length;
+    expect(Token.NAME);
+
+    if (token === Token.COLON && (name === 'module' || name === 'external' || name === 'event')) {
+      consume(Token.COLON);
+      name += ':' + value;
+      expect(Token.NAME);
+    }
+
+    return maybeAddRange({
+      type: Syntax.NameExpression,
+      name: name
+    }, [rangeStart, previous]);
+  } // TypeExpressionList :=
+  //     TopLevelTypeExpression
+  //   | TopLevelTypeExpression ',' TypeExpressionList
+
+
+  function parseTypeExpressionList() {
+    var elements = [];
+    elements.push(parseTop());
+
+    while (token === Token.COMMA) {
+      consume(Token.COMMA);
+      elements.push(parseTop());
+    }
+
+    return elements;
+  } // TypeName :=
+  //     NameExpression
+  //   | NameExpression TypeApplication
+  //
+  // TypeApplication :=
+  //     '.<' TypeExpressionList '>'
+  //   | '<' TypeExpressionList '>'   // this is extension of doctrine
+
+
+  function parseTypeName() {
+    var expr,
+        applications,
+        startIndex = index - value.length;
+    expr = parseNameExpression();
+
+    if (token === Token.DOT_LT || token === Token.LT) {
+      next();
+      applications = parseTypeExpressionList();
+      expect(Token.GT);
+      return maybeAddRange({
+        type: Syntax.TypeApplication,
+        expression: expr,
+        applications: applications
+      }, [startIndex, previous]);
+    }
+
+    return expr;
+  } // ResultType :=
+  //     <<empty>>
+  //   | ':' void
+  //   | ':' TypeExpression
+  //
+  // BNF is above
+  // but, we remove <<empty>> pattern, so token is always TypeToken::COLON
+
+
+  function parseResultType() {
+    consume(Token.COLON, 'ResultType should start with :');
+
+    if (token === Token.NAME && value === 'void') {
+      consume(Token.NAME);
+      return {
+        type: Syntax.VoidLiteral
+      };
+    }
+
+    return parseTypeExpression();
+  } // ParametersType :=
+  //     RestParameterType
+  //   | NonRestParametersType
+  //   | NonRestParametersType ',' RestParameterType
+  //
+  // RestParameterType :=
+  //     '...'
+  //     '...' Identifier
+  //
+  // NonRestParametersType :=
+  //     ParameterType ',' NonRestParametersType
+  //   | ParameterType
+  //   | OptionalParametersType
+  //
+  // OptionalParametersType :=
+  //     OptionalParameterType
+  //   | OptionalParameterType, OptionalParametersType
+  //
+  // OptionalParameterType := ParameterType=
+  //
+  // ParameterType := TypeExpression | Identifier ':' TypeExpression
+  //
+  // Identifier is "new" or "this"
+
+
+  function parseParametersType() {
+    var params = [],
+        optionalSequence = false,
+        expr,
+        rest = false,
+        startIndex,
+        restStartIndex = index - 3,
+        nameStartIndex;
+
+    while (token !== Token.RPAREN) {
+      if (token === Token.REST) {
+        // RestParameterType
+        consume(Token.REST);
+        rest = true;
+      }
+
+      startIndex = previous;
+      expr = parseTypeExpression();
+
+      if (expr.type === Syntax.NameExpression && token === Token.COLON) {
+        nameStartIndex = previous - expr.name.length; // Identifier ':' TypeExpression
+
+        consume(Token.COLON);
+        expr = maybeAddRange({
+          type: Syntax.ParameterType,
+          name: expr.name,
+          expression: parseTypeExpression()
+        }, [nameStartIndex, previous]);
+      }
+
+      if (token === Token.EQUAL) {
+        consume(Token.EQUAL);
+        expr = maybeAddRange({
+          type: Syntax.OptionalType,
+          expression: expr
+        }, [startIndex, previous]);
+        optionalSequence = true;
+      } else {
+        if (optionalSequence) {
+          utility.throwError('unexpected token');
+        }
+      }
+
+      if (rest) {
+        expr = maybeAddRange({
+          type: Syntax.RestType,
+          expression: expr
+        }, [restStartIndex, previous]);
+      }
+
+      params.push(expr);
+
+      if (token !== Token.RPAREN) {
+        expect(Token.COMMA);
+      }
+    }
+
+    return params;
+  } // FunctionType := 'function' FunctionSignatureType
+  //
+  // FunctionSignatureType :=
+  //   | TypeParameters '(' ')' ResultType
+  //   | TypeParameters '(' ParametersType ')' ResultType
+  //   | TypeParameters '(' 'this' ':' TypeName ')' ResultType
+  //   | TypeParameters '(' 'this' ':' TypeName ',' ParametersType ')' ResultType
+
+
+  function parseFunctionType() {
+    var isNew,
+        thisBinding,
+        params,
+        result,
+        fnType,
+        startIndex = index - value.length;
+    utility.assert(token === Token.NAME && value === 'function', 'FunctionType should start with \'function\'');
+    consume(Token.NAME); // Google Closure Compiler is not implementing TypeParameters.
+    // So we do not. if we don't get '(', we see it as error.
+
+    expect(Token.LPAREN);
+    isNew = false;
+    params = [];
+    thisBinding = null;
+
+    if (token !== Token.RPAREN) {
+      // ParametersType or 'this'
+      if (token === Token.NAME && (value === 'this' || value === 'new')) {
+        // 'this' or 'new'
+        // 'new' is Closure Compiler extension
+        isNew = value === 'new';
+        consume(Token.NAME);
+        expect(Token.COLON);
+        thisBinding = parseTypeName();
+
+        if (token === Token.COMMA) {
+          consume(Token.COMMA);
+          params = parseParametersType();
+        }
+      } else {
+        params = parseParametersType();
+      }
+    }
+
+    expect(Token.RPAREN);
+    result = null;
+
+    if (token === Token.COLON) {
+      result = parseResultType();
+    }
+
+    fnType = maybeAddRange({
+      type: Syntax.FunctionType,
+      params: params,
+      result: result
+    }, [startIndex, previous]);
+
+    if (thisBinding) {
+      // avoid adding null 'new' and 'this' properties
+      fnType['this'] = thisBinding;
+
+      if (isNew) {
+        fnType['new'] = true;
+      }
+    }
+
+    return fnType;
+  } // BasicTypeExpression :=
+  //     '*'
+  //   | 'null'
+  //   | 'undefined'
+  //   | TypeName
+  //   | FunctionType
+  //   | UnionType
+  //   | RecordType
+  //   | ArrayType
+
+
+  function parseBasicTypeExpression() {
+    var context, startIndex;
+
+    switch (token) {
+      case Token.STAR:
+        consume(Token.STAR);
+        return maybeAddRange({
+          type: Syntax.AllLiteral
+        }, [previous - 1, previous]);
+
+      case Token.LPAREN:
+        return parseUnionType();
+
+      case Token.LBRACK:
+        return parseArrayType();
+
+      case Token.LBRACE:
+        return parseRecordType();
+
+      case Token.NAME:
+        startIndex = index - value.length;
+
+        if (value === 'null') {
+          consume(Token.NAME);
+          return maybeAddRange({
+            type: Syntax.NullLiteral
+          }, [startIndex, previous]);
+        }
+
+        if (value === 'undefined') {
+          consume(Token.NAME);
+          return maybeAddRange({
+            type: Syntax.UndefinedLiteral
+          }, [startIndex, previous]);
+        }
+
+        if (value === 'true' || value === 'false') {
+          consume(Token.NAME);
+          return maybeAddRange({
+            type: Syntax.BooleanLiteralType,
+            value: value === 'true'
+          }, [startIndex, previous]);
+        }
+
+        context = Context.save();
+
+        if (value === 'function') {
+          try {
+            return parseFunctionType();
+          } catch (e) {
+            context.restore();
+          }
+        }
+
+        return parseTypeName();
+
+      case Token.STRING:
+        next();
+        return maybeAddRange({
+          type: Syntax.StringLiteralType,
+          value: value
+        }, [previous - value.length - 2, previous]);
+
+      case Token.NUMBER:
+        next();
+        return maybeAddRange({
+          type: Syntax.NumericLiteralType,
+          value: value
+        }, [previous - String(value).length, previous]);
+
+      default:
+        utility.throwError('unexpected token');
+    }
+  } // TypeExpression :=
+  //     BasicTypeExpression
+  //   | '?' BasicTypeExpression
+  //   | '!' BasicTypeExpression
+  //   | BasicTypeExpression '?'
+  //   | BasicTypeExpression '!'
+  //   | '?'
+  //   | BasicTypeExpression '[]'
+
+
+  function parseTypeExpression() {
+    var expr, rangeStart;
+
+    if (token === Token.QUESTION) {
+      rangeStart = index - 1;
+      consume(Token.QUESTION);
+
+      if (token === Token.COMMA || token === Token.EQUAL || token === Token.RBRACE || token === Token.RPAREN || token === Token.PIPE || token === Token.EOF || token === Token.RBRACK || token === Token.GT) {
+        return maybeAddRange({
+          type: Syntax.NullableLiteral
+        }, [rangeStart, previous]);
+      }
+
+      return maybeAddRange({
+        type: Syntax.NullableType,
+        expression: parseBasicTypeExpression(),
+        prefix: true
+      }, [rangeStart, previous]);
+    } else if (token === Token.BANG) {
+      rangeStart = index - 1;
+      consume(Token.BANG);
+      return maybeAddRange({
+        type: Syntax.NonNullableType,
+        expression: parseBasicTypeExpression(),
+        prefix: true
+      }, [rangeStart, previous]);
+    } else {
+      rangeStart = previous;
+    }
+
+    expr = parseBasicTypeExpression();
+
+    if (token === Token.BANG) {
+      consume(Token.BANG);
+      return maybeAddRange({
+        type: Syntax.NonNullableType,
+        expression: expr,
+        prefix: false
+      }, [rangeStart, previous]);
+    }
+
+    if (token === Token.QUESTION) {
+      consume(Token.QUESTION);
+      return maybeAddRange({
+        type: Syntax.NullableType,
+        expression: expr,
+        prefix: false
+      }, [rangeStart, previous]);
+    }
+
+    if (token === Token.LBRACK) {
+      consume(Token.LBRACK);
+      expect(Token.RBRACK, 'expected an array-style type declaration (' + value + '[])');
+      return maybeAddRange({
+        type: Syntax.TypeApplication,
+        expression: maybeAddRange({
+          type: Syntax.NameExpression,
+          name: 'Array'
+        }, [rangeStart, previous]),
+        applications: [expr]
+      }, [rangeStart, previous]);
+    }
+
+    return expr;
+  } // TopLevelTypeExpression :=
+  //      TypeExpression
+  //    | TypeUnionList
+  //
+  // This rule is Google Closure Compiler extension, not ES4
+  // like,
+  //   { number | string }
+  // If strict to ES4, we should write it as
+  //   { (number|string) }
+
+
+  function parseTop() {
+    var expr, elements;
+    expr = parseTypeExpression();
+
+    if (token !== Token.PIPE) {
+      return expr;
+    }
+
+    elements = [expr];
+    consume(Token.PIPE);
+
+    while (true) {
+      elements.push(parseTypeExpression());
+
+      if (token !== Token.PIPE) {
+        break;
+      }
+
+      consume(Token.PIPE);
+    }
+
+    return maybeAddRange({
+      type: Syntax.UnionType,
+      elements: elements
+    }, [0, index]);
+  }
+
+  function parseTopParamType() {
+    var expr;
+
+    if (token === Token.REST) {
+      consume(Token.REST);
+      return maybeAddRange({
+        type: Syntax.RestType,
+        expression: parseTop()
+      }, [0, index]);
+    }
+
+    expr = parseTop();
+
+    if (token === Token.EQUAL) {
+      consume(Token.EQUAL);
+      return maybeAddRange({
+        type: Syntax.OptionalType,
+        expression: expr
+      }, [0, index]);
+    }
+
+    return expr;
+  }
+
+  function parseType(src, opt) {
+    var expr;
+    source = src;
+    length = source.length;
+    index = 0;
+    previous = 0;
+    addRange = opt && opt.range;
+    rangeOffset = opt && opt.startIndex || 0;
+    next();
+    expr = parseTop();
+
+    if (opt && opt.midstream) {
+      return {
+        expression: expr,
+        index: previous
+      };
+    }
+
+    if (token !== Token.EOF) {
+      utility.throwError('not reach to EOF');
+    }
+
+    return expr;
+  }
+
+  function parseParamType(src, opt) {
+    var expr;
+    source = src;
+    length = source.length;
+    index = 0;
+    previous = 0;
+    addRange = opt && opt.range;
+    rangeOffset = opt && opt.startIndex || 0;
+    next();
+    expr = parseTopParamType();
+
+    if (opt && opt.midstream) {
+      return {
+        expression: expr,
+        index: previous
+      };
+    }
+
+    if (token !== Token.EOF) {
+      utility.throwError('not reach to EOF');
+    }
+
+    return expr;
+  }
+
+  function stringifyImpl(node, compact, topLevel) {
+    var result, i, iz;
+
+    switch (node.type) {
+      case Syntax.NullableLiteral:
+        result = '?';
+        break;
+
+      case Syntax.AllLiteral:
+        result = '*';
+        break;
+
+      case Syntax.NullLiteral:
+        result = 'null';
+        break;
+
+      case Syntax.UndefinedLiteral:
+        result = 'undefined';
+        break;
+
+      case Syntax.VoidLiteral:
+        result = 'void';
+        break;
+
+      case Syntax.UnionType:
+        if (!topLevel) {
+          result = '(';
+        } else {
+          result = '';
+        }
+
+        for (i = 0, iz = node.elements.length; i < iz; ++i) {
+          result += stringifyImpl(node.elements[i], compact);
+
+          if (i + 1 !== iz) {
+            result += compact ? '|' : ' | ';
+          }
+        }
+
+        if (!topLevel) {
+          result += ')';
+        }
+
+        break;
+
+      case Syntax.ArrayType:
+        result = '[';
+
+        for (i = 0, iz = node.elements.length; i < iz; ++i) {
+          result += stringifyImpl(node.elements[i], compact);
+
+          if (i + 1 !== iz) {
+            result += compact ? ',' : ', ';
+          }
+        }
+
+        result += ']';
+        break;
+
+      case Syntax.RecordType:
+        result = '{';
+
+        for (i = 0, iz = node.fields.length; i < iz; ++i) {
+          result += stringifyImpl(node.fields[i], compact);
+
+          if (i + 1 !== iz) {
+            result += compact ? ',' : ', ';
+          }
+        }
+
+        result += '}';
+        break;
+
+      case Syntax.FieldType:
+        if (node.value) {
+          result = node.key + (compact ? ':' : ': ') + stringifyImpl(node.value, compact);
+        } else {
+          result = node.key;
+        }
+
+        break;
+
+      case Syntax.FunctionType:
+        result = compact ? 'function(' : 'function (';
+
+        if (node['this']) {
+          if (node['new']) {
+            result += compact ? 'new:' : 'new: ';
+          } else {
+            result += compact ? 'this:' : 'this: ';
+          }
+
+          result += stringifyImpl(node['this'], compact);
+
+          if (node.params.length !== 0) {
+            result += compact ? ',' : ', ';
+          }
+        }
+
+        for (i = 0, iz = node.params.length; i < iz; ++i) {
+          result += stringifyImpl(node.params[i], compact);
+
+          if (i + 1 !== iz) {
+            result += compact ? ',' : ', ';
+          }
+        }
+
+        result += ')';
+
+        if (node.result) {
+          result += (compact ? ':' : ': ') + stringifyImpl(node.result, compact);
+        }
+
+        break;
+
+      case Syntax.ParameterType:
+        result = node.name + (compact ? ':' : ': ') + stringifyImpl(node.expression, compact);
+        break;
+
+      case Syntax.RestType:
+        result = '...';
+
+        if (node.expression) {
+          result += stringifyImpl(node.expression, compact);
+        }
+
+        break;
+
+      case Syntax.NonNullableType:
+        if (node.prefix) {
+          result = '!' + stringifyImpl(node.expression, compact);
+        } else {
+          result = stringifyImpl(node.expression, compact) + '!';
+        }
+
+        break;
+
+      case Syntax.OptionalType:
+        result = stringifyImpl(node.expression, compact) + '=';
+        break;
+
+      case Syntax.NullableType:
+        if (node.prefix) {
+          result = '?' + stringifyImpl(node.expression, compact);
+        } else {
+          result = stringifyImpl(node.expression, compact) + '?';
+        }
+
+        break;
+
+      case Syntax.NameExpression:
+        result = node.name;
+        break;
+
+      case Syntax.TypeApplication:
+        result = stringifyImpl(node.expression, compact) + '.<';
+
+        for (i = 0, iz = node.applications.length; i < iz; ++i) {
+          result += stringifyImpl(node.applications[i], compact);
+
+          if (i + 1 !== iz) {
+            result += compact ? ',' : ', ';
+          }
+        }
+
+        result += '>';
+        break;
+
+      case Syntax.StringLiteralType:
+        result = '"' + node.value + '"';
+        break;
+
+      case Syntax.NumericLiteralType:
+        result = String(node.value);
+        break;
+
+      case Syntax.BooleanLiteralType:
+        result = String(node.value);
+        break;
+
+      default:
+        utility.throwError('Unknown type ' + node.type);
+    }
+
+    return result;
+  }
+
+  function stringify(node, options) {
+    if (options == null) {
+      options = {};
+    }
+
+    return stringifyImpl(node, options.compact, options.topLevel);
+  }
+
+  exports.parseType = parseType;
+  exports.parseParamType = parseParamType;
+  exports.stringify = stringify;
+  exports.Syntax = Syntax;
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 718 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*
+ * @fileoverview Utilities for Doctrine
+ * @author Yusuke Suzuki <utatane.tea@gmail.com>
+ */
+(function () {
+  'use strict';
+
+  var VERSION;
+  VERSION = __webpack_require__(719).version;
+  exports.VERSION = VERSION;
+
+  function DoctrineError(message) {
+    this.name = 'DoctrineError';
+    this.message = message;
+  }
+
+  DoctrineError.prototype = function () {
+    var Middle = function Middle() {};
+
+    Middle.prototype = Error.prototype;
+    return new Middle();
+  }();
+
+  DoctrineError.prototype.constructor = DoctrineError;
+  exports.DoctrineError = DoctrineError;
+
+  function throwError(message) {
+    throw new DoctrineError(message);
+  }
+
+  exports.throwError = throwError;
+  exports.assert = __webpack_require__(379);
+})();
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+/***/ }),
+/* 719 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"_from\":\"doctrine@^3.0.0\",\"_id\":\"doctrine@3.0.0\",\"_inBundle\":false,\"_integrity\":\"sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==\",\"_location\":\"/doctrine\",\"_phantomChildren\":{},\"_requested\":{\"type\":\"range\",\"registry\":true,\"raw\":\"doctrine@^3.0.0\",\"name\":\"doctrine\",\"escapedName\":\"doctrine\",\"rawSpec\":\"^3.0.0\",\"saveSpec\":null,\"fetchSpec\":\"^3.0.0\"},\"_requiredBy\":[\"/\",\"/eslint\"],\"_resolved\":\"https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz\",\"_shasum\":\"addebead72a6574db783639dc87a121773973961\",\"_spec\":\"doctrine@^3.0.0\",\"_where\":\"/home/dcsapak/git/pve-eslint/eslint-v7.0.0-alpha.3\",\"bugs\":{\"url\":\"https://github.com/eslint/doctrine/issues\"},\"bundleDependencies\":false,\"dependencies\":{\"esutils\":\"^2.0.2\"},\"deprecated\":false,\"description\":\"JSDoc parser\",\"devDependencies\":{\"coveralls\":\"^3.0.1\",\"dateformat\":\"^1.0.11\",\"eslint\":\"^1.10.3\",\"eslint-release\":\"^1.0.0\",\"linefix\":\"^0.1.1\",\"mocha\":\"^3.4.2\",\"npm-license\":\"^0.3.1\",\"nyc\":\"^10.3.2\",\"semver\":\"^5.0.3\",\"shelljs\":\"^0.5.3\",\"shelljs-nodecli\":\"^0.1.1\",\"should\":\"^5.0.1\"},\"directories\":{\"lib\":\"./lib\"},\"engines\":{\"node\":\">=6.0.0\"},\"files\":[\"lib\"],\"homepage\":\"https://github.com/eslint/doctrine\",\"license\":\"Apache-2.0\",\"main\":\"lib/doctrine.js\",\"maintainers\":[{\"name\":\"Nicholas C. Zakas\",\"email\":\"nicholas+npm@nczconsulting.com\",\"url\":\"https://www.nczonline.net\"},{\"name\":\"Yusuke Suzuki\",\"email\":\"utatane.tea@gmail.com\",\"url\":\"https://github.com/Constellation\"}],\"name\":\"doctrine\",\"repository\":{\"type\":\"git\",\"url\":\"git+https://github.com/eslint/doctrine.git\"},\"scripts\":{\"coveralls\":\"nyc report --reporter=text-lcov | coveralls\",\"generate-alpharelease\":\"eslint-generate-prerelease alpha\",\"generate-betarelease\":\"eslint-generate-prerelease beta\",\"generate-rcrelease\":\"eslint-generate-prerelease rc\",\"generate-release\":\"eslint-generate-release\",\"lint\":\"eslint lib/\",\"pretest\":\"npm run lint\",\"publish-release\":\"eslint-publish-release\",\"test\":\"nyc mocha\"},\"version\":\"3.0.0\"}");
+
+/***/ }),
+/* 720 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Ensures that the results of typeof are compared against a valid string
+ * @author Ian Christian Myers
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "problem",
+    docs: {
+      description: "enforce comparing `typeof` expressions against valid strings",
+      category: "Possible Errors",
+      recommended: true,
+      url: "https://eslint.org/docs/rules/valid-typeof"
+    },
+    schema: [{
+      type: "object",
+      properties: {
+        requireStringLiterals: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    messages: {
+      invalidValue: "Invalid typeof comparison value.",
+      notString: "Typeof comparisons should be to string literals."
+    }
+  },
+
+  create(context) {
+    const VALID_TYPES = ["symbol", "undefined", "object", "boolean", "number", "string", "function", "bigint"],
+          OPERATORS = ["==", "===", "!=", "!=="];
+    const requireStringLiterals = context.options[0] && context.options[0].requireStringLiterals;
+    /**
+     * Determines whether a node is a typeof expression.
+     * @param {ASTNode} node The node
+     * @returns {boolean} `true` if the node is a typeof expression
+     */
+
+    function isTypeofExpression(node) {
+      return node.type === "UnaryExpression" && node.operator === "typeof";
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      UnaryExpression(node) {
+        if (isTypeofExpression(node)) {
+          const parent = context.getAncestors().pop();
+
+          if (parent.type === "BinaryExpression" && OPERATORS.indexOf(parent.operator) !== -1) {
+            const sibling = parent.left === node ? parent.right : parent.left;
+
+            if (sibling.type === "Literal" || sibling.type === "TemplateLiteral" && !sibling.expressions.length) {
+              const value = sibling.type === "Literal" ? sibling.value : sibling.quasis[0].value.cooked;
+
+              if (VALID_TYPES.indexOf(value) === -1) {
+                context.report({
+                  node: sibling,
+                  messageId: "invalidValue"
+                });
+              }
+            } else if (requireStringLiterals && !isTypeofExpression(sibling)) {
+              context.report({
+                node: sibling,
+                messageId: "notString"
+              });
+            }
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 721 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to enforce var declarations are only at the top of a function.
+ * @author Danny Fritz
+ * @author Gyandeep Singh
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require `var` declarations be placed at the top of their containing scope",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/vars-on-top"
+    },
+    schema: [],
+    messages: {
+      top: "All 'var' declarations must be at the top of the function scope."
+    }
+  },
+
+  create(context) {
+    //--------------------------------------------------------------------------
+    // Helpers
+    //--------------------------------------------------------------------------
+    // eslint-disable-next-line jsdoc/require-description
+
+    /**
+     * @param {ASTNode} node any node
+     * @returns {boolean} whether the given node structurally represents a directive
+     */
+    function looksLikeDirective(node) {
+      return node.type === "ExpressionStatement" && node.expression.type === "Literal" && typeof node.expression.value === "string";
+    }
+    /**
+     * Check to see if its a ES6 import declaration
+     * @param {ASTNode} node any node
+     * @returns {boolean} whether the given node represents a import declaration
+     */
+
+
+    function looksLikeImport(node) {
+      return node.type === "ImportDeclaration" || node.type === "ImportSpecifier" || node.type === "ImportDefaultSpecifier" || node.type === "ImportNamespaceSpecifier";
+    }
+    /**
+     * Checks whether a given node is a variable declaration or not.
+     * @param {ASTNode} node any node
+     * @returns {boolean} `true` if the node is a variable declaration.
+     */
+
+
+    function isVariableDeclaration(node) {
+      return node.type === "VariableDeclaration" || node.type === "ExportNamedDeclaration" && node.declaration && node.declaration.type === "VariableDeclaration";
+    }
+    /**
+     * Checks whether this variable is on top of the block body
+     * @param {ASTNode} node The node to check
+     * @param {ASTNode[]} statements collection of ASTNodes for the parent node block
+     * @returns {boolean} True if var is on top otherwise false
+     */
+
+
+    function isVarOnTop(node, statements) {
+      const l = statements.length;
+      let i = 0; // skip over directives
+
+      for (; i < l; ++i) {
+        if (!looksLikeDirective(statements[i]) && !looksLikeImport(statements[i])) {
+          break;
+        }
+      }
+
+      for (; i < l; ++i) {
+        if (!isVariableDeclaration(statements[i])) {
+          return false;
+        }
+
+        if (statements[i] === node) {
+          return true;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * Checks whether variable is on top at the global level
+     * @param {ASTNode} node The node to check
+     * @param {ASTNode} parent Parent of the node
+     * @returns {void}
+     */
+
+
+    function globalVarCheck(node, parent) {
+      if (!isVarOnTop(node, parent.body)) {
+        context.report({
+          node,
+          messageId: "top"
+        });
+      }
+    }
+    /**
+     * Checks whether variable is on top at functional block scope level
+     * @param {ASTNode} node The node to check
+     * @param {ASTNode} parent Parent of the node
+     * @param {ASTNode} grandParent Parent of the node's parent
+     * @returns {void}
+     */
+
+
+    function blockScopeVarCheck(node, parent, grandParent) {
+      if (!(/Function/u.test(grandParent.type) && parent.type === "BlockStatement" && isVarOnTop(node, parent.body))) {
+        context.report({
+          node,
+          messageId: "top"
+        });
+      }
+    } //--------------------------------------------------------------------------
+    // Public API
+    //--------------------------------------------------------------------------
+
+
+    return {
+      "VariableDeclaration[kind='var']"(node) {
+        if (node.parent.type === "ExportNamedDeclaration") {
+          globalVarCheck(node.parent, node.parent.parent);
+        } else if (node.parent.type === "Program") {
+          globalVarCheck(node, node.parent);
+        } else {
+          blockScopeVarCheck(node, node.parent, node.parent.parent);
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 722 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when IIFE is not wrapped in parens
+ * @author Ilya Volodin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426);
+
+const eslintUtils = __webpack_require__(549); //----------------------------------------------------------------------
+// Helpers
+//----------------------------------------------------------------------
+
+/**
+ * Check if the given node is callee of a `NewExpression` node
+ * @param {ASTNode} node node to check
+ * @returns {boolean} True if the node is callee of a `NewExpression` node
+ * @private
+ */
+
+
+function isCalleeOfNewExpression(node) {
+  return node.parent.type === "NewExpression" && node.parent.callee === node;
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require parentheses around immediate `function` invocations",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/wrap-iife"
+    },
+    schema: [{
+      enum: ["outside", "inside", "any"]
+    }, {
+      type: "object",
+      properties: {
+        functionPrototypeMethods: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      wrapInvocation: "Wrap an immediate function invocation in parentheses.",
+      wrapExpression: "Wrap only the function expression in parens.",
+      moveInvocation: "Move the invocation into the parens that contain the function."
+    }
+  },
+
+  create(context) {
+    const style = context.options[0] || "outside";
+    const includeFunctionPrototypeMethods = context.options[1] && context.options[1].functionPrototypeMethods;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Check if the node is wrapped in any (). All parens count: grouping parens and parens for constructs such as if()
+     * @param {ASTNode} node node to evaluate
+     * @returns {boolean} True if it is wrapped in any parens
+     * @private
+     */
+
+    function isWrappedInAnyParens(node) {
+      return astUtils.isParenthesised(sourceCode, node);
+    }
+    /**
+     * Check if the node is wrapped in grouping (). Parens for constructs such as if() don't count
+     * @param {ASTNode} node node to evaluate
+     * @returns {boolean} True if it is wrapped in grouping parens
+     * @private
+     */
+
+
+    function isWrappedInGroupingParens(node) {
+      return eslintUtils.isParenthesized(1, node, sourceCode);
+    }
+    /**
+     * Get the function node from an IIFE
+     * @param {ASTNode} node node to evaluate
+     * @returns {ASTNode} node that is the function expression of the given IIFE, or null if none exist
+     */
+
+
+    function getFunctionNodeFromIIFE(node) {
+      const callee = node.callee;
+
+      if (callee.type === "FunctionExpression") {
+        return callee;
+      }
+
+      if (includeFunctionPrototypeMethods && callee.type === "MemberExpression" && callee.object.type === "FunctionExpression" && (astUtils.getStaticPropertyName(callee) === "call" || astUtils.getStaticPropertyName(callee) === "apply")) {
+        return callee.object;
+      }
+
+      return null;
+    }
+
+    return {
+      CallExpression(node) {
+        const innerNode = getFunctionNodeFromIIFE(node);
+
+        if (!innerNode) {
+          return;
+        }
+
+        const isCallExpressionWrapped = isWrappedInAnyParens(node),
+              isFunctionExpressionWrapped = isWrappedInAnyParens(innerNode);
+
+        if (!isCallExpressionWrapped && !isFunctionExpressionWrapped) {
+          context.report({
+            node,
+            messageId: "wrapInvocation",
+
+            fix(fixer) {
+              const nodeToSurround = style === "inside" ? innerNode : node;
+              return fixer.replaceText(nodeToSurround, "(".concat(sourceCode.getText(nodeToSurround), ")"));
+            }
+
+          });
+        } else if (style === "inside" && !isFunctionExpressionWrapped) {
+          context.report({
+            node,
+            messageId: "wrapExpression",
+
+            fix(fixer) {
+              // The outer call expression will always be wrapped at this point.
+              if (isWrappedInGroupingParens(node) && !isCalleeOfNewExpression(node)) {
+                /*
+                 * Parenthesize the function expression and remove unnecessary grouping parens around the call expression.
+                 * Replace the range between the end of the function expression and the end of the call expression.
+                 * for example, in `(function(foo) {}(bar))`, the range `(bar))` should get replaced with `)(bar)`.
+                 */
+                const parenAfter = sourceCode.getTokenAfter(node);
+                return fixer.replaceTextRange([innerNode.range[1], parenAfter.range[1]], ")".concat(sourceCode.getText().slice(innerNode.range[1], parenAfter.range[0])));
+              }
+              /*
+               * Call expression is wrapped in mandatory parens such as if(), or in necessary grouping parens.
+               * These parens cannot be removed, so just parenthesize the function expression.
+               */
+
+
+              return fixer.replaceText(innerNode, "(".concat(sourceCode.getText(innerNode), ")"));
+            }
+
+          });
+        } else if (style === "outside" && !isCallExpressionWrapped) {
+          context.report({
+            node,
+            messageId: "moveInvocation",
+
+            fix(fixer) {
+              /*
+               * The inner function expression will always be wrapped at this point.
+               * It's only necessary to replace the range between the end of the function expression
+               * and the call expression. For example, in `(function(foo) {})(bar)`, the range `)(bar)`
+               * should get replaced with `(bar))`.
+               */
+              const parenAfter = sourceCode.getTokenAfter(innerNode);
+              return fixer.replaceTextRange([parenAfter.range[0], node.range[1]], "".concat(sourceCode.getText().slice(parenAfter.range[1], node.range[1]), ")"));
+            }
+
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 723 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to flag when regex literals are not wrapped in parens
+ * @author Matt DuVall <http://www.mattduvall.com>
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require parenthesis around regex literals",
+      category: "Stylistic Issues",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/wrap-regex"
+    },
+    schema: [],
+    fixable: "code",
+    messages: {
+      requireParens: "Wrap the regexp literal in parens to disambiguate the slash."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+    return {
+      Literal(node) {
+        const token = sourceCode.getFirstToken(node),
+              nodeType = token.type;
+
+        if (nodeType === "RegularExpression") {
+          const beforeToken = sourceCode.getTokenBefore(node);
+          const afterToken = sourceCode.getTokenAfter(node);
+          const ancestors = context.getAncestors();
+          const grandparent = ancestors[ancestors.length - 1];
+
+          if (grandparent.type === "MemberExpression" && grandparent.object === node && !(beforeToken && beforeToken.value === "(" && afterToken && afterToken.value === ")")) {
+            context.report({
+              node,
+              messageId: "requireParens",
+              fix: fixer => fixer.replaceText(node, "(".concat(sourceCode.getText(node), ")"))
+            });
+          }
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 724 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to check the spacing around the * in yield* expressions.
+ * @author Bryan Smith
+ */
+ //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: "layout",
+    docs: {
+      description: "require or disallow spacing around the `*` in `yield*` expressions",
+      category: "ECMAScript 6",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/yield-star-spacing"
+    },
+    fixable: "whitespace",
+    schema: [{
+      oneOf: [{
+        enum: ["before", "after", "both", "neither"]
+      }, {
+        type: "object",
+        properties: {
+          before: {
+            type: "boolean"
+          },
+          after: {
+            type: "boolean"
+          }
+        },
+        additionalProperties: false
+      }]
+    }],
+    messages: {
+      missingBefore: "Missing space before *.",
+      missingAfter: "Missing space after *.",
+      unexpectedBefore: "Unexpected space before *.",
+      unexpectedAfter: "Unexpected space after *."
+    }
+  },
+
+  create(context) {
+    const sourceCode = context.getSourceCode();
+
+    const mode = function (option) {
+      if (!option || typeof option === "string") {
+        return {
+          before: {
+            before: true,
+            after: false
+          },
+          after: {
+            before: false,
+            after: true
+          },
+          both: {
+            before: true,
+            after: true
+          },
+          neither: {
+            before: false,
+            after: false
+          }
+        }[option || "after"];
+      }
+
+      return option;
+    }(context.options[0]);
+    /**
+     * Checks the spacing between two tokens before or after the star token.
+     * @param {string} side Either "before" or "after".
+     * @param {Token} leftToken `function` keyword token if side is "before", or
+     *     star token if side is "after".
+     * @param {Token} rightToken Star token if side is "before", or identifier
+     *     token if side is "after".
+     * @returns {void}
+     */
+
+
+    function checkSpacing(side, leftToken, rightToken) {
+      if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken) !== mode[side]) {
+        const after = leftToken.value === "*";
+        const spaceRequired = mode[side];
+        const node = after ? leftToken : rightToken;
+        let messageId = "";
+
+        if (spaceRequired) {
+          messageId = side === "before" ? "missingBefore" : "missingAfter";
+        } else {
+          messageId = side === "before" ? "unexpectedBefore" : "unexpectedAfter";
+        }
+
+        context.report({
+          node,
+          messageId,
+
+          fix(fixer) {
+            if (spaceRequired) {
+              if (after) {
+                return fixer.insertTextAfter(node, " ");
+              }
+
+              return fixer.insertTextBefore(node, " ");
+            }
+
+            return fixer.removeRange([leftToken.range[1], rightToken.range[0]]);
+          }
+
+        });
+      }
+    }
+    /**
+     * Enforces the spacing around the star if node is a yield* expression.
+     * @param {ASTNode} node A yield expression node.
+     * @returns {void}
+     */
+
+
+    function checkExpression(node) {
+      if (!node.delegate) {
+        return;
+      }
+
+      const tokens = sourceCode.getFirstTokens(node, 3);
+      const yieldToken = tokens[0];
+      const starToken = tokens[1];
+      const nextToken = tokens[2];
+      checkSpacing("before", yieldToken, starToken);
+      checkSpacing("after", starToken, nextToken);
+    }
+
+    return {
+      YieldExpression: checkExpression
+    };
+  }
+
+};
+
+/***/ }),
+/* 725 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Rule to require or disallow yoda comparisons
+ * @author Nicholas C. Zakas
+ */
+ //--------------------------------------------------------------------------
+// Requirements
+//--------------------------------------------------------------------------
+
+const astUtils = __webpack_require__(426); //--------------------------------------------------------------------------
+// Helpers
+//--------------------------------------------------------------------------
+
+/**
+ * Determines whether an operator is a comparison operator.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether or not it is a comparison operator.
+ */
+
+
+function isComparisonOperator(operator) {
+  return /^(==|===|!=|!==|<|>|<=|>=)$/u.test(operator);
+}
+/**
+ * Determines whether an operator is an equality operator.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether or not it is an equality operator.
+ */
+
+
+function isEqualityOperator(operator) {
+  return /^(==|===)$/u.test(operator);
+}
+/**
+ * Determines whether an operator is one used in a range test.
+ * Allowed operators are `<` and `<=`.
+ * @param {string} operator The operator to check.
+ * @returns {boolean} Whether the operator is used in range tests.
+ */
+
+
+function isRangeTestOperator(operator) {
+  return ["<", "<="].indexOf(operator) >= 0;
+}
+/**
+ * Determines whether a non-Literal node is a negative number that should be
+ * treated as if it were a single Literal node.
+ * @param {ASTNode} node Node to test.
+ * @returns {boolean} True if the node is a negative number that looks like a
+ *                    real literal and should be treated as such.
+ */
+
+
+function isNegativeNumericLiteral(node) {
+  return node.type === "UnaryExpression" && node.operator === "-" && node.prefix && astUtils.isNumericLiteral(node.argument);
+}
+/**
+ * Determines whether a node is a Template Literal which can be determined statically.
+ * @param {ASTNode} node Node to test
+ * @returns {boolean} True if the node is a Template Literal without expression.
+ */
+
+
+function isStaticTemplateLiteral(node) {
+  return node.type === "TemplateLiteral" && node.expressions.length === 0;
+}
+/**
+ * Determines whether a non-Literal node should be treated as a single Literal node.
+ * @param {ASTNode} node Node to test
+ * @returns {boolean} True if the node should be treated as a single Literal node.
+ */
+
+
+function looksLikeLiteral(node) {
+  return isNegativeNumericLiteral(node) || isStaticTemplateLiteral(node);
+}
+/**
+ * Attempts to derive a Literal node from nodes that are treated like literals.
+ * @param {ASTNode} node Node to normalize.
+ * @param {number} [defaultValue] The default value to be returned if the node
+ *                                is not a Literal.
+ * @returns {ASTNode} One of the following options.
+ *  1. The original node if the node is already a Literal
+ *  2. A normalized Literal node with the negative number as the value if the
+ *     node represents a negative number literal.
+ *  3. A normalized Literal node with the string as the value if the node is
+ *     a Template Literal without expression.
+ *  4. The Literal node which has the `defaultValue` argument if it exists.
+ *  5. Otherwise `null`.
+ */
+
+
+function getNormalizedLiteral(node, defaultValue) {
+  if (node.type === "Literal") {
+    return node;
+  }
+
+  if (isNegativeNumericLiteral(node)) {
+    return {
+      type: "Literal",
+      value: -node.argument.value,
+      raw: "-".concat(node.argument.value)
+    };
+  }
+
+  if (isStaticTemplateLiteral(node)) {
+    return {
+      type: "Literal",
+      value: node.quasis[0].value.cooked,
+      raw: node.quasis[0].value.raw
+    };
+  }
+
+  if (defaultValue) {
+    return {
+      type: "Literal",
+      value: defaultValue,
+      raw: String(defaultValue)
+    };
+  }
+
+  return null;
+}
+/**
+ * Checks whether two expressions reference the same value. For example:
+ *     a = a
+ *     a.b = a.b
+ *     a[0] = a[0]
+ *     a['b'] = a['b']
+ * @param   {ASTNode} a Left side of the comparison.
+ * @param   {ASTNode} b Right side of the comparison.
+ * @returns {boolean}   True if both sides match and reference the same value.
+ */
+
+
+function same(a, b) {
+  if (a.type !== b.type) {
+    return false;
+  }
+
+  switch (a.type) {
+    case "Identifier":
+      return a.name === b.name;
+
+    case "Literal":
+      return a.value === b.value;
+
+    case "MemberExpression":
+      {
+        const nameA = astUtils.getStaticPropertyName(a); // x.y = x["y"]
+
+        if (nameA !== null) {
+          return same(a.object, b.object) && nameA === astUtils.getStaticPropertyName(b);
+        }
+        /*
+         * x[0] = x[0]
+         * x[y] = x[y]
+         * x.y = x.y
+         */
+
+
+        return a.computed === b.computed && same(a.object, b.object) && same(a.property, b.property);
+      }
+
+    case "ThisExpression":
+      return true;
+
+    default:
+      return false;
+  }
+} //------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  meta: {
+    type: "suggestion",
+    docs: {
+      description: "require or disallow \"Yoda\" conditions",
+      category: "Best Practices",
+      recommended: false,
+      url: "https://eslint.org/docs/rules/yoda"
+    },
+    schema: [{
+      enum: ["always", "never"]
+    }, {
+      type: "object",
+      properties: {
+        exceptRange: {
+          type: "boolean",
+          default: false
+        },
+        onlyEquality: {
+          type: "boolean",
+          default: false
+        }
+      },
+      additionalProperties: false
+    }],
+    fixable: "code",
+    messages: {
+      expected: "Expected literal to be on the {{expectedSide}} side of {{operator}}."
+    }
+  },
+
+  create(context) {
+    // Default to "never" (!always) if no option
+    const always = context.options[0] === "always";
+    const exceptRange = context.options[1] && context.options[1].exceptRange;
+    const onlyEquality = context.options[1] && context.options[1].onlyEquality;
+    const sourceCode = context.getSourceCode();
+    /**
+     * Determines whether node represents a range test.
+     * A range test is a "between" test like `(0 <= x && x < 1)` or an "outside"
+     * test like `(x < 0 || 1 <= x)`. It must be wrapped in parentheses, and
+     * both operators must be `<` or `<=`. Finally, the literal on the left side
+     * must be less than or equal to the literal on the right side so that the
+     * test makes any sense.
+     * @param {ASTNode} node LogicalExpression node to test.
+     * @returns {boolean} Whether node is a range test.
+     */
+
+    function isRangeTest(node) {
+      const left = node.left,
+            right = node.right;
+      /**
+       * Determines whether node is of the form `0 <= x && x < 1`.
+       * @returns {boolean} Whether node is a "between" range test.
+       */
+
+      function isBetweenTest() {
+        let leftLiteral, rightLiteral;
+        return node.operator === "&&" && (leftLiteral = getNormalizedLiteral(left.left)) && (rightLiteral = getNormalizedLiteral(right.right, Number.POSITIVE_INFINITY)) && leftLiteral.value <= rightLiteral.value && same(left.right, right.left);
+      }
+      /**
+       * Determines whether node is of the form `x < 0 || 1 <= x`.
+       * @returns {boolean} Whether node is an "outside" range test.
+       */
+
+
+      function isOutsideTest() {
+        let leftLiteral, rightLiteral;
+        return node.operator === "||" && (leftLiteral = getNormalizedLiteral(left.right, Number.NEGATIVE_INFINITY)) && (rightLiteral = getNormalizedLiteral(right.left)) && leftLiteral.value <= rightLiteral.value && same(left.left, right.right);
+      }
+      /**
+       * Determines whether node is wrapped in parentheses.
+       * @returns {boolean} Whether node is preceded immediately by an open
+       *                    paren token and followed immediately by a close
+       *                    paren token.
+       */
+
+
+      function isParenWrapped() {
+        return astUtils.isParenthesised(sourceCode, node);
+      }
+
+      return node.type === "LogicalExpression" && left.type === "BinaryExpression" && right.type === "BinaryExpression" && isRangeTestOperator(left.operator) && isRangeTestOperator(right.operator) && (isBetweenTest() || isOutsideTest()) && isParenWrapped();
+    }
+
+    const OPERATOR_FLIP_MAP = {
+      "===": "===",
+      "!==": "!==",
+      "==": "==",
+      "!=": "!=",
+      "<": ">",
+      ">": "<",
+      "<=": ">=",
+      ">=": "<="
+    };
+    /**
+     * Returns a string representation of a BinaryExpression node with its sides/operator flipped around.
+     * @param {ASTNode} node The BinaryExpression node
+     * @returns {string} A string representation of the node with the sides and operator flipped
+     */
+
+    function getFlippedString(node) {
+      const tokenBefore = sourceCode.getTokenBefore(node);
+      const operatorToken = sourceCode.getFirstTokenBetween(node.left, node.right, token => token.value === node.operator);
+      const textBeforeOperator = sourceCode.getText().slice(sourceCode.getTokenBefore(operatorToken).range[1], operatorToken.range[0]);
+      const textAfterOperator = sourceCode.getText().slice(operatorToken.range[1], sourceCode.getTokenAfter(operatorToken).range[0]);
+      const leftText = sourceCode.getText().slice(node.range[0], sourceCode.getTokenBefore(operatorToken).range[1]);
+      const firstRightToken = sourceCode.getTokenAfter(operatorToken);
+      const rightText = sourceCode.getText().slice(firstRightToken.range[0], node.range[1]);
+      let prefix = "";
+
+      if (tokenBefore && tokenBefore.range[1] === node.range[0] && !astUtils.canTokensBeAdjacent(tokenBefore, firstRightToken)) {
+        prefix = " ";
+      }
+
+      return prefix + rightText + textBeforeOperator + OPERATOR_FLIP_MAP[operatorToken.value] + textAfterOperator + leftText;
+    } //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+
+    return {
+      BinaryExpression(node) {
+        const expectedLiteral = always ? node.left : node.right;
+        const expectedNonLiteral = always ? node.right : node.left; // If `expectedLiteral` is not a literal, and `expectedNonLiteral` is a literal, raise an error.
+
+        if ((expectedNonLiteral.type === "Literal" || looksLikeLiteral(expectedNonLiteral)) && !(expectedLiteral.type === "Literal" || looksLikeLiteral(expectedLiteral)) && !(!isEqualityOperator(node.operator) && onlyEquality) && isComparisonOperator(node.operator) && !(exceptRange && isRangeTest(context.getAncestors().pop()))) {
+          context.report({
+            node,
+            messageId: "expected",
+            data: {
+              operator: node.operator,
+              expectedSide: always ? "left" : "right"
+            },
+            fix: fixer => fixer.replaceText(node, getFlippedString(node))
+          });
+        }
+      }
+
+    };
+  }
+
+};
+
+/***/ }),
+/* 726 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Provide the function that emits deprecation warnings.
+ * @author Toru Nagashima <http://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = __webpack_require__(377);
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+// Defitions for deprecation warnings.
+
+
+const deprecationWarningMessages = {
+  ESLINT_LEGACY_ECMAFEATURES: "The 'ecmaFeatures' config file property is deprecated and has no effect.",
+  ESLINT_PERSONAL_CONFIG_LOAD: "'~/.eslintrc.*' config files have been deprecated. " + "Please use a config file per project or the '--config' option.",
+  ESLINT_PERSONAL_CONFIG_SUPPRESS: "'~/.eslintrc.*' config files have been deprecated. " + "Please remove it or add 'root:true' to the config files in your " + "projects in order to avoid loading '~/.eslintrc.*' accidentally."
+};
+/**
+ * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted
+ * for each unique file path, but repeated invocations with the same file path have no effect.
+ * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active.
+ * @param {string} source The name of the configuration source to report the warning for.
+ * @param {string} errorCode The warning message to show.
+ * @returns {void}
+ */
+
+const emitDeprecationWarning = lodash.memoize((source, errorCode) => {
+  const rel = path.relative(process.cwd(), source);
+  const message = deprecationWarningMessages[errorCode];
+  process.emitWarning("".concat(message, " (found in \"").concat(rel, "\")"), "DeprecationWarning", errorCode);
+}, (...args) => JSON.stringify(args)); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+  emitDeprecationWarning
+};
+
+/***/ }),
+/* 727 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview The instance of Ajv validator.
+ * @author Evgeny Poberezkin
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const Ajv = __webpack_require__(728),
+      metaSchema = __webpack_require__(774); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = (additionalOptions = {}) => {
+  const ajv = new Ajv(_objectSpread({
+    meta: false,
+    useDefaults: true,
+    validateSchema: false,
+    missingRefs: "ignore",
+    verbose: true,
+    schemaId: "auto"
+  }, additionalOptions));
+  ajv.addMetaSchema(metaSchema); // eslint-disable-next-line no-underscore-dangle
+
+  ajv._opts.defaultMeta = metaSchema.id;
+  return ajv;
+};
+
+/***/ }),
+/* 728 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var compileSchema = __webpack_require__(729),
+    resolve = __webpack_require__(730),
+    Cache = __webpack_require__(740),
+    SchemaObject = __webpack_require__(735),
+    stableStringify = __webpack_require__(738),
+    formats = __webpack_require__(741),
+    rules = __webpack_require__(742),
+    $dataMetaSchema = __webpack_require__(767),
+    util = __webpack_require__(733);
+
+module.exports = Ajv;
+Ajv.prototype.validate = validate;
+Ajv.prototype.compile = compile;
+Ajv.prototype.addSchema = addSchema;
+Ajv.prototype.addMetaSchema = addMetaSchema;
+Ajv.prototype.validateSchema = validateSchema;
+Ajv.prototype.getSchema = getSchema;
+Ajv.prototype.removeSchema = removeSchema;
+Ajv.prototype.addFormat = addFormat;
+Ajv.prototype.errorsText = errorsText;
+Ajv.prototype._addSchema = _addSchema;
+Ajv.prototype._compile = _compile;
+Ajv.prototype.compileAsync = __webpack_require__(768);
+
+var customKeyword = __webpack_require__(769);
+
+Ajv.prototype.addKeyword = customKeyword.add;
+Ajv.prototype.getKeyword = customKeyword.get;
+Ajv.prototype.removeKeyword = customKeyword.remove;
+Ajv.prototype.validateKeyword = customKeyword.validate;
+
+var errorClasses = __webpack_require__(737);
+
+Ajv.ValidationError = errorClasses.Validation;
+Ajv.MissingRefError = errorClasses.MissingRef;
+Ajv.$dataMetaSchema = $dataMetaSchema;
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+var META_IGNORE_OPTIONS = ['removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults'];
+var META_SUPPORT_DATA = ['/properties'];
+/**
+ * Creates validator instance.
+ * Usage: `Ajv(opts)`
+ * @param {Object} opts optional options
+ * @return {Object} ajv instance
+ */
+
+function Ajv(opts) {
+  if (!(this instanceof Ajv)) return new Ajv(opts);
+  opts = this._opts = util.copy(opts) || {};
+  setLogger(this);
+  this._schemas = {};
+  this._refs = {};
+  this._fragments = {};
+  this._formats = formats(opts.format);
+  this._cache = opts.cache || new Cache();
+  this._loadingSchemas = {};
+  this._compilations = [];
+  this.RULES = rules();
+  this._getId = chooseGetId(opts);
+  opts.loopRequired = opts.loopRequired || Infinity;
+  if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
+  if (opts.serialize === undefined) opts.serialize = stableStringify;
+  this._metaOpts = getMetaSchemaOptions(this);
+  if (opts.formats) addInitialFormats(this);
+  if (opts.keywords) addInitialKeywords(this);
+  addDefaultMetaSchema(this);
+  if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
+  if (opts.nullable) this.addKeyword('nullable', {
+    metaSchema: {
+      type: 'boolean'
+    }
+  });
+  addInitialSchemas(this);
+}
+/**
+ * Validate data using schema
+ * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
+ * @this   Ajv
+ * @param  {String|Object} schemaKeyRef key, ref or schema object
+ * @param  {Any} data to be validated
+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+ */
+
+
+function validate(schemaKeyRef, data) {
+  var v;
+
+  if (typeof schemaKeyRef == 'string') {
+    v = this.getSchema(schemaKeyRef);
+    if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
+  } else {
+    var schemaObj = this._addSchema(schemaKeyRef);
+
+    v = schemaObj.validate || this._compile(schemaObj);
+  }
+
+  var valid = v(data);
+  if (v.$async !== true) this.errors = v.errors;
+  return valid;
+}
+/**
+ * Create validating function for passed schema.
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
+ * @return {Function} validating function
+ */
+
+
+function compile(schema, _meta) {
+  var schemaObj = this._addSchema(schema, undefined, _meta);
+
+  return schemaObj.validate || this._compile(schemaObj);
+}
+/**
+ * Adds schema to the instance.
+ * @this   Ajv
+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
+ * @return {Ajv} this for method chaining
+ */
+
+
+function addSchema(schema, key, _skipValidation, _meta) {
+  if (Array.isArray(schema)) {
+    for (var i = 0; i < schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
+
+    return this;
+  }
+
+  var id = this._getId(schema);
+
+  if (id !== undefined && typeof id != 'string') throw new Error('schema id must be string');
+  key = resolve.normalizeId(key || id);
+  checkUnique(this, key);
+  this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
+  return this;
+}
+/**
+ * Add schema that will be used to validate other schemas
+ * options in META_IGNORE_OPTIONS are alway set to false
+ * @this   Ajv
+ * @param {Object} schema schema object
+ * @param {String} key optional schema key
+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
+ * @return {Ajv} this for method chaining
+ */
+
+
+function addMetaSchema(schema, key, skipValidation) {
+  this.addSchema(schema, key, skipValidation, true);
+  return this;
+}
+/**
+ * Validate schema
+ * @this   Ajv
+ * @param {Object} schema schema to validate
+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
+ * @return {Boolean} true if schema is valid
+ */
+
+
+function validateSchema(schema, throwOrLogError) {
+  var $schema = schema.$schema;
+  if ($schema !== undefined && typeof $schema != 'string') throw new Error('$schema must be a string');
+  $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
+
+  if (!$schema) {
+    this.logger.warn('meta-schema not available');
+    this.errors = null;
+    return true;
+  }
+
+  var valid = this.validate($schema, schema);
+
+  if (!valid && throwOrLogError) {
+    var message = 'schema is invalid: ' + this.errorsText();
+    if (this._opts.validateSchema == 'log') this.logger.error(message);else throw new Error(message);
+  }
+
+  return valid;
+}
+
+function defaultMeta(self) {
+  var meta = self._opts.meta;
+  self._opts.defaultMeta = typeof meta == 'object' ? self._getId(meta) || meta : self.getSchema(META_SCHEMA_ID) ? META_SCHEMA_ID : undefined;
+  return self._opts.defaultMeta;
+}
+/**
+ * Get compiled schema from the instance by `key` or `ref`.
+ * @this   Ajv
+ * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+ * @return {Function} schema validating function (with property `schema`).
+ */
+
+
+function getSchema(keyRef) {
+  var schemaObj = _getSchemaObj(this, keyRef);
+
+  switch (typeof schemaObj) {
+    case 'object':
+      return schemaObj.validate || this._compile(schemaObj);
+
+    case 'string':
+      return this.getSchema(schemaObj);
+
+    case 'undefined':
+      return _getSchemaFragment(this, keyRef);
+  }
+}
+
+function _getSchemaFragment(self, ref) {
+  var res = resolve.schema.call(self, {
+    schema: {}
+  }, ref);
+
+  if (res) {
+    var schema = res.schema,
+        root = res.root,
+        baseId = res.baseId;
+    var v = compileSchema.call(self, schema, root, undefined, baseId);
+    self._fragments[ref] = new SchemaObject({
+      ref: ref,
+      fragment: true,
+      schema: schema,
+      root: root,
+      baseId: baseId,
+      validate: v
+    });
+    return v;
+  }
+}
+
+function _getSchemaObj(self, keyRef) {
+  keyRef = resolve.normalizeId(keyRef);
+  return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
+}
+/**
+ * Remove cached schema(s).
+ * If no parameter is passed all schemas but meta-schemas are removed.
+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+ * @this   Ajv
+ * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+ * @return {Ajv} this for method chaining
+ */
+
+
+function removeSchema(schemaKeyRef) {
+  if (schemaKeyRef instanceof RegExp) {
+    _removeAllSchemas(this, this._schemas, schemaKeyRef);
+
+    _removeAllSchemas(this, this._refs, schemaKeyRef);
+
+    return this;
+  }
+
+  switch (typeof schemaKeyRef) {
+    case 'undefined':
+      _removeAllSchemas(this, this._schemas);
+
+      _removeAllSchemas(this, this._refs);
+
+      this._cache.clear();
+
+      return this;
+
+    case 'string':
+      var schemaObj = _getSchemaObj(this, schemaKeyRef);
+
+      if (schemaObj) this._cache.del(schemaObj.cacheKey);
+      delete this._schemas[schemaKeyRef];
+      delete this._refs[schemaKeyRef];
+      return this;
+
+    case 'object':
+      var serialize = this._opts.serialize;
+      var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
+
+      this._cache.del(cacheKey);
+
+      var id = this._getId(schemaKeyRef);
+
+      if (id) {
+        id = resolve.normalizeId(id);
+        delete this._schemas[id];
+        delete this._refs[id];
+      }
+
+  }
+
+  return this;
+}
+
+function _removeAllSchemas(self, schemas, regex) {
+  for (var keyRef in schemas) {
+    var schemaObj = schemas[keyRef];
+
+    if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
+      self._cache.del(schemaObj.cacheKey);
+
+      delete schemas[keyRef];
+    }
+  }
+}
+/* @this   Ajv */
+
+
+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
+  if (typeof schema != 'object' && typeof schema != 'boolean') throw new Error('schema should be object or boolean');
+  var serialize = this._opts.serialize;
+  var cacheKey = serialize ? serialize(schema) : schema;
+
+  var cached = this._cache.get(cacheKey);
+
+  if (cached) return cached;
+  shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
+  var id = resolve.normalizeId(this._getId(schema));
+  if (id && shouldAddSchema) checkUnique(this, id);
+  var willValidate = this._opts.validateSchema !== false && !skipValidation;
+  var recursiveMeta;
+  if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema))) this.validateSchema(schema, true);
+  var localRefs = resolve.ids.call(this, schema);
+  var schemaObj = new SchemaObject({
+    id: id,
+    schema: schema,
+    localRefs: localRefs,
+    cacheKey: cacheKey,
+    meta: meta
+  });
+  if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
+
+  this._cache.put(cacheKey, schemaObj);
+
+  if (willValidate && recursiveMeta) this.validateSchema(schema, true);
+  return schemaObj;
+}
+/* @this   Ajv */
+
+
+function _compile(schemaObj, root) {
+  if (schemaObj.compiling) {
+    schemaObj.validate = callValidate;
+    callValidate.schema = schemaObj.schema;
+    callValidate.errors = null;
+    callValidate.root = root ? root : callValidate;
+    if (schemaObj.schema.$async === true) callValidate.$async = true;
+    return callValidate;
+  }
+
+  schemaObj.compiling = true;
+  var currentOpts;
+
+  if (schemaObj.meta) {
+    currentOpts = this._opts;
+    this._opts = this._metaOpts;
+  }
+
+  var v;
+
+  try {
+    v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs);
+  } catch (e) {
+    delete schemaObj.validate;
+    throw e;
+  } finally {
+    schemaObj.compiling = false;
+    if (schemaObj.meta) this._opts = currentOpts;
+  }
+
+  schemaObj.validate = v;
+  schemaObj.refs = v.refs;
+  schemaObj.refVal = v.refVal;
+  schemaObj.root = v.root;
+  return v;
+  /* @this   {*} - custom context, see passContext option */
+
+  function callValidate() {
+    /* jshint validthis: true */
+    var _validate = schemaObj.validate;
+
+    var result = _validate.apply(this, arguments);
+
+    callValidate.errors = _validate.errors;
+    return result;
+  }
+}
+
+function chooseGetId(opts) {
+  switch (opts.schemaId) {
+    case 'auto':
+      return _get$IdOrId;
+
+    case 'id':
+      return _getId;
+
+    default:
+      return _get$Id;
+  }
+}
+/* @this   Ajv */
+
+
+function _getId(schema) {
+  if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
+  return schema.id;
+}
+/* @this   Ajv */
+
+
+function _get$Id(schema) {
+  if (schema.id) this.logger.warn('schema id ignored', schema.id);
+  return schema.$id;
+}
+
+function _get$IdOrId(schema) {
+  if (schema.$id && schema.id && schema.$id != schema.id) throw new Error('schema $id is different from id');
+  return schema.$id || schema.id;
+}
+/**
+ * Convert array of error message objects to string
+ * @this   Ajv
+ * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
+ * @param  {Object} options optional options with properties `separator` and `dataVar`.
+ * @return {String} human readable string with all errors descriptions
+ */
+
+
+function errorsText(errors, options) {
+  errors = errors || this.errors;
+  if (!errors) return 'No errors';
+  options = options || {};
+  var separator = options.separator === undefined ? ', ' : options.separator;
+  var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
+  var text = '';
+
+  for (var i = 0; i < errors.length; i++) {
+    var e = errors[i];
+    if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
+  }
+
+  return text.slice(0, -separator.length);
+}
+/**
+ * Add custom format
+ * @this   Ajv
+ * @param {String} name format name
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+ * @return {Ajv} this for method chaining
+ */
+
+
+function addFormat(name, format) {
+  if (typeof format == 'string') format = new RegExp(format);
+  this._formats[name] = format;
+  return this;
+}
+
+function addDefaultMetaSchema(self) {
+  var $dataSchema;
+
+  if (self._opts.$data) {
+    $dataSchema = __webpack_require__(773);
+    self.addMetaSchema($dataSchema, $dataSchema.$id, true);
+  }
+
+  if (self._opts.meta === false) return;
+
+  var metaSchema = __webpack_require__(772);
+
+  if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
+  self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
+  self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
+}
+
+function addInitialSchemas(self) {
+  var optsSchemas = self._opts.schemas;
+  if (!optsSchemas) return;
+  if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
+}
+
+function addInitialFormats(self) {
+  for (var name in self._opts.formats) {
+    var format = self._opts.formats[name];
+    self.addFormat(name, format);
+  }
+}
+
+function addInitialKeywords(self) {
+  for (var name in self._opts.keywords) {
+    var keyword = self._opts.keywords[name];
+    self.addKeyword(name, keyword);
+  }
+}
+
+function checkUnique(self, id) {
+  if (self._schemas[id] || self._refs[id]) throw new Error('schema with key or id "' + id + '" already exists');
+}
+
+function getMetaSchemaOptions(self) {
+  var metaOpts = util.copy(self._opts);
+
+  for (var i = 0; i < META_IGNORE_OPTIONS.length; i++) delete metaOpts[META_IGNORE_OPTIONS[i]];
+
+  return metaOpts;
+}
+
+function setLogger(self) {
+  var logger = self._opts.logger;
+
+  if (logger === false) {
+    self.logger = {
+      log: noop,
+      warn: noop,
+      error: noop
+    };
+  } else {
+    if (logger === undefined) logger = console;
+    if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error)) throw new Error('logger must implement log, warn and error methods');
+    self.logger = logger;
+  }
+}
+
+function noop() {}
+
+/***/ }),
+/* 729 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var resolve = __webpack_require__(730),
+    util = __webpack_require__(733),
+    errorClasses = __webpack_require__(737),
+    stableStringify = __webpack_require__(738);
+
+var validateGenerator = __webpack_require__(739);
+/**
+ * Functions below are used inside compiled validations function
+ */
+
+
+var ucs2length = util.ucs2length;
+
+var equal = __webpack_require__(732); // this error is thrown by async schemas to return validation errors via exception
+
+
+var ValidationError = errorClasses.Validation;
+module.exports = compile;
+/**
+ * Compiles schema to validation function
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Object} root object with information about the root schema for this schema
+ * @param  {Object} localRefs the hash of local references inside the schema (created by resolve.id), used for inline resolution
+ * @param  {String} baseId base ID for IDs in the schema
+ * @return {Function} validation function
+ */
+
+function compile(schema, root, localRefs, baseId) {
+  /* jshint validthis: true, evil: true */
+
+  /* eslint no-shadow: 0 */
+  var self = this,
+      opts = this._opts,
+      refVal = [undefined],
+      refs = {},
+      patterns = [],
+      patternsHash = {},
+      defaults = [],
+      defaultsHash = {},
+      customRules = [];
+  root = root || {
+    schema: schema,
+    refVal: refVal,
+    refs: refs
+  };
+  var c = checkCompiling.call(this, schema, root, baseId);
+  var compilation = this._compilations[c.index];
+  if (c.compiling) return compilation.callValidate = callValidate;
+  var formats = this._formats;
+  var RULES = this.RULES;
+
+  try {
+    var v = localCompile(schema, root, localRefs, baseId);
+    compilation.validate = v;
+    var cv = compilation.callValidate;
+
+    if (cv) {
+      cv.schema = v.schema;
+      cv.errors = null;
+      cv.refs = v.refs;
+      cv.refVal = v.refVal;
+      cv.root = v.root;
+      cv.$async = v.$async;
+      if (opts.sourceCode) cv.source = v.source;
+    }
+
+    return v;
+  } finally {
+    endCompiling.call(this, schema, root, baseId);
+  }
+  /* @this   {*} - custom context, see passContext option */
+
+
+  function callValidate() {
+    /* jshint validthis: true */
+    var validate = compilation.validate;
+    var result = validate.apply(this, arguments);
+    callValidate.errors = validate.errors;
+    return result;
+  }
+
+  function localCompile(_schema, _root, localRefs, baseId) {
+    var isRoot = !_root || _root && _root.schema == _schema;
+    if (_root.schema != root.schema) return compile.call(self, _schema, _root, localRefs, baseId);
+    var $async = _schema.$async === true;
+    var sourceCode = validateGenerator({
+      isTop: true,
+      schema: _schema,
+      isRoot: isRoot,
+      baseId: baseId,
+      root: _root,
+      schemaPath: '',
+      errSchemaPath: '#',
+      errorPath: '""',
+      MissingRefError: errorClasses.MissingRef,
+      RULES: RULES,
+      validate: validateGenerator,
+      util: util,
+      resolve: resolve,
+      resolveRef: resolveRef,
+      usePattern: usePattern,
+      useDefault: useDefault,
+      useCustomRule: useCustomRule,
+      opts: opts,
+      formats: formats,
+      logger: self.logger,
+      self: self
+    });
+    sourceCode = vars(refVal, refValCode) + vars(patterns, patternCode) + vars(defaults, defaultCode) + vars(customRules, customRuleCode) + sourceCode;
+    if (opts.processCode) sourceCode = opts.processCode(sourceCode); // console.log('\n\n\n *** \n', JSON.stringify(sourceCode));
+
+    var validate;
+
+    try {
+      var makeValidate = new Function('self', 'RULES', 'formats', 'root', 'refVal', 'defaults', 'customRules', 'equal', 'ucs2length', 'ValidationError', sourceCode);
+      validate = makeValidate(self, RULES, formats, root, refVal, defaults, customRules, equal, ucs2length, ValidationError);
+      refVal[0] = validate;
+    } catch (e) {
+      self.logger.error('Error compiling schema, function code:', sourceCode);
+      throw e;
+    }
+
+    validate.schema = _schema;
+    validate.errors = null;
+    validate.refs = refs;
+    validate.refVal = refVal;
+    validate.root = isRoot ? validate : _root;
+    if ($async) validate.$async = true;
+
+    if (opts.sourceCode === true) {
+      validate.source = {
+        code: sourceCode,
+        patterns: patterns,
+        defaults: defaults
+      };
+    }
+
+    return validate;
+  }
+
+  function resolveRef(baseId, ref, isRoot) {
+    ref = resolve.url(baseId, ref);
+    var refIndex = refs[ref];
+
+    var _refVal, refCode;
+
+    if (refIndex !== undefined) {
+      _refVal = refVal[refIndex];
+      refCode = 'refVal[' + refIndex + ']';
+      return resolvedRef(_refVal, refCode);
+    }
+
+    if (!isRoot && root.refs) {
+      var rootRefId = root.refs[ref];
+
+      if (rootRefId !== undefined) {
+        _refVal = root.refVal[rootRefId];
+        refCode = addLocalRef(ref, _refVal);
+        return resolvedRef(_refVal, refCode);
+      }
+    }
+
+    refCode = addLocalRef(ref);
+    var v = resolve.call(self, localCompile, root, ref);
+
+    if (v === undefined) {
+      var localSchema = localRefs && localRefs[ref];
+
+      if (localSchema) {
+        v = resolve.inlineRef(localSchema, opts.inlineRefs) ? localSchema : compile.call(self, localSchema, root, localRefs, baseId);
+      }
+    }
+
+    if (v === undefined) {
+      removeLocalRef(ref);
+    } else {
+      replaceLocalRef(ref, v);
+      return resolvedRef(v, refCode);
+    }
+  }
+
+  function addLocalRef(ref, v) {
+    var refId = refVal.length;
+    refVal[refId] = v;
+    refs[ref] = refId;
+    return 'refVal' + refId;
+  }
+
+  function removeLocalRef(ref) {
+    delete refs[ref];
+  }
+
+  function replaceLocalRef(ref, v) {
+    var refId = refs[ref];
+    refVal[refId] = v;
+  }
+
+  function resolvedRef(refVal, code) {
+    return typeof refVal == 'object' || typeof refVal == 'boolean' ? {
+      code: code,
+      schema: refVal,
+      inline: true
+    } : {
+      code: code,
+      $async: refVal && !!refVal.$async
+    };
+  }
+
+  function usePattern(regexStr) {
+    var index = patternsHash[regexStr];
+
+    if (index === undefined) {
+      index = patternsHash[regexStr] = patterns.length;
+      patterns[index] = regexStr;
+    }
+
+    return 'pattern' + index;
+  }
+
+  function useDefault(value) {
+    switch (typeof value) {
+      case 'boolean':
+      case 'number':
+        return '' + value;
+
+      case 'string':
+        return util.toQuotedString(value);
+
+      case 'object':
+        if (value === null) return 'null';
+        var valueStr = stableStringify(value);
+        var index = defaultsHash[valueStr];
+
+        if (index === undefined) {
+          index = defaultsHash[valueStr] = defaults.length;
+          defaults[index] = value;
+        }
+
+        return 'default' + index;
+    }
+  }
+
+  function useCustomRule(rule, schema, parentSchema, it) {
+    if (self._opts.validateSchema !== false) {
+      var deps = rule.definition.dependencies;
+      if (deps && !deps.every(function (keyword) {
+        return Object.prototype.hasOwnProperty.call(parentSchema, keyword);
+      })) throw new Error('parent schema must have all required keywords: ' + deps.join(','));
+      var validateSchema = rule.definition.validateSchema;
+
+      if (validateSchema) {
+        var valid = validateSchema(schema);
+
+        if (!valid) {
+          var message = 'keyword schema is invalid: ' + self.errorsText(validateSchema.errors);
+          if (self._opts.validateSchema == 'log') self.logger.error(message);else throw new Error(message);
+        }
+      }
+    }
+
+    var compile = rule.definition.compile,
+        inline = rule.definition.inline,
+        macro = rule.definition.macro;
+    var validate;
+
+    if (compile) {
+      validate = compile.call(self, schema, parentSchema, it);
+    } else if (macro) {
+      validate = macro.call(self, schema, parentSchema, it);
+      if (opts.validateSchema !== false) self.validateSchema(validate, true);
+    } else if (inline) {
+      validate = inline.call(self, it, rule.keyword, schema, parentSchema);
+    } else {
+      validate = rule.definition.validate;
+      if (!validate) return;
+    }
+
+    if (validate === undefined) throw new Error('custom keyword "' + rule.keyword + '"failed to compile');
+    var index = customRules.length;
+    customRules[index] = validate;
+    return {
+      code: 'customRule' + index,
+      validate: validate
+    };
+  }
+}
+/**
+ * Checks if the schema is currently compiled
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Object} object with properties "index" (compilation index) and "compiling" (boolean)
+ */
+
+
+function checkCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var index = compIndex.call(this, schema, root, baseId);
+  if (index >= 0) return {
+    index: index,
+    compiling: true
+  };
+  index = this._compilations.length;
+  this._compilations[index] = {
+    schema: schema,
+    root: root,
+    baseId: baseId
+  };
+  return {
+    index: index,
+    compiling: false
+  };
+}
+/**
+ * Removes the schema from the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ */
+
+
+function endCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var i = compIndex.call(this, schema, root, baseId);
+  if (i >= 0) this._compilations.splice(i, 1);
+}
+/**
+ * Index of schema compilation in the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Integer} compilation index
+ */
+
+
+function compIndex(schema, root, baseId) {
+  /* jshint validthis: true */
+  for (var i = 0; i < this._compilations.length; i++) {
+    var c = this._compilations[i];
+    if (c.schema == schema && c.root == root && c.baseId == baseId) return i;
+  }
+
+  return -1;
+}
+
+function patternCode(i, patterns) {
+  return 'var pattern' + i + ' = new RegExp(' + util.toQuotedString(patterns[i]) + ');';
+}
+
+function defaultCode(i) {
+  return 'var default' + i + ' = defaults[' + i + '];';
+}
+
+function refValCode(i, refVal) {
+  return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];';
+}
+
+function customRuleCode(i) {
+  return 'var customRule' + i + ' = customRules[' + i + '];';
+}
+
+function vars(arr, statement) {
+  if (!arr.length) return '';
+  var code = '';
+
+  for (var i = 0; i < arr.length; i++) code += statement(i, arr);
+
+  return code;
+}
+
+/***/ }),
+/* 730 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var URI = __webpack_require__(731),
+    equal = __webpack_require__(732),
+    util = __webpack_require__(733),
+    SchemaObject = __webpack_require__(735),
+    traverse = __webpack_require__(736);
+
+module.exports = resolve;
+resolve.normalizeId = normalizeId;
+resolve.fullPath = getFullPath;
+resolve.url = resolveUrl;
+resolve.ids = resolveIds;
+resolve.inlineRef = inlineRef;
+resolve.schema = resolveSchema;
+/**
+ * [resolve and compile the references ($ref)]
+ * @this   Ajv
+ * @param  {Function} compile reference to schema compilation funciton (localCompile)
+ * @param  {Object} root object with information about the root schema for the current schema
+ * @param  {String} ref reference to resolve
+ * @return {Object|Function} schema object (if the schema can be inlined) or validation function
+ */
+
+function resolve(compile, root, ref) {
+  /* jshint validthis: true */
+  var refVal = this._refs[ref];
+
+  if (typeof refVal == 'string') {
+    if (this._refs[refVal]) refVal = this._refs[refVal];else return resolve.call(this, compile, root, refVal);
+  }
+
+  refVal = refVal || this._schemas[ref];
+
+  if (refVal instanceof SchemaObject) {
+    return inlineRef(refVal.schema, this._opts.inlineRefs) ? refVal.schema : refVal.validate || this._compile(refVal);
+  }
+
+  var res = resolveSchema.call(this, root, ref);
+  var schema, v, baseId;
+
+  if (res) {
+    schema = res.schema;
+    root = res.root;
+    baseId = res.baseId;
+  }
+
+  if (schema instanceof SchemaObject) {
+    v = schema.validate || compile.call(this, schema.schema, root, undefined, baseId);
+  } else if (schema !== undefined) {
+    v = inlineRef(schema, this._opts.inlineRefs) ? schema : compile.call(this, schema, root, undefined, baseId);
+  }
+
+  return v;
+}
+/**
+ * Resolve schema, its root and baseId
+ * @this Ajv
+ * @param  {Object} root root object with properties schema, refVal, refs
+ * @param  {String} ref  reference to resolve
+ * @return {Object} object with properties schema, root, baseId
+ */
+
+
+function resolveSchema(root, ref) {
+  /* jshint validthis: true */
+  var p = URI.parse(ref),
+      refPath = _getFullPath(p),
+      baseId = getFullPath(this._getId(root.schema));
+
+  if (Object.keys(root.schema).length === 0 || refPath !== baseId) {
+    var id = normalizeId(refPath);
+    var refVal = this._refs[id];
+
+    if (typeof refVal == 'string') {
+      return resolveRecursive.call(this, root, refVal, p);
+    } else if (refVal instanceof SchemaObject) {
+      if (!refVal.validate) this._compile(refVal);
+      root = refVal;
+    } else {
+      refVal = this._schemas[id];
+
+      if (refVal instanceof SchemaObject) {
+        if (!refVal.validate) this._compile(refVal);
+        if (id == normalizeId(ref)) return {
+          schema: refVal,
+          root: root,
+          baseId: baseId
+        };
+        root = refVal;
+      } else {
+        return;
+      }
+    }
+
+    if (!root.schema) return;
+    baseId = getFullPath(this._getId(root.schema));
+  }
+
+  return getJsonPointer.call(this, p, baseId, root.schema, root);
+}
+/* @this Ajv */
+
+
+function resolveRecursive(root, ref, parsedRef) {
+  /* jshint validthis: true */
+  var res = resolveSchema.call(this, root, ref);
+
+  if (res) {
+    var schema = res.schema;
+    var baseId = res.baseId;
+    root = res.root;
+
+    var id = this._getId(schema);
+
+    if (id) baseId = resolveUrl(baseId, id);
+    return getJsonPointer.call(this, parsedRef, baseId, schema, root);
+  }
+}
+
+var PREVENT_SCOPE_CHANGE = util.toHash(['properties', 'patternProperties', 'enum', 'dependencies', 'definitions']);
+/* @this Ajv */
+
+function getJsonPointer(parsedRef, baseId, schema, root) {
+  /* jshint validthis: true */
+  parsedRef.fragment = parsedRef.fragment || '';
+  if (parsedRef.fragment.slice(0, 1) != '/') return;
+  var parts = parsedRef.fragment.split('/');
+
+  for (var i = 1; i < parts.length; i++) {
+    var part = parts[i];
+
+    if (part) {
+      part = util.unescapeFragment(part);
+      schema = schema[part];
+      if (schema === undefined) break;
+      var id;
+
+      if (!PREVENT_SCOPE_CHANGE[part]) {
+        id = this._getId(schema);
+        if (id) baseId = resolveUrl(baseId, id);
+
+        if (schema.$ref) {
+          var $ref = resolveUrl(baseId, schema.$ref);
+          var res = resolveSchema.call(this, root, $ref);
+
+          if (res) {
+            schema = res.schema;
+            root = res.root;
+            baseId = res.baseId;
+          }
+        }
+      }
+    }
+  }
+
+  if (schema !== undefined && schema !== root.schema) return {
+    schema: schema,
+    root: root,
+    baseId: baseId
+  };
+}
+
+var SIMPLE_INLINED = util.toHash(['type', 'format', 'pattern', 'maxLength', 'minLength', 'maxProperties', 'minProperties', 'maxItems', 'minItems', 'maximum', 'minimum', 'uniqueItems', 'multipleOf', 'required', 'enum']);
+
+function inlineRef(schema, limit) {
+  if (limit === false) return false;
+  if (limit === undefined || limit === true) return checkNoRef(schema);else if (limit) return countKeys(schema) <= limit;
+}
+
+function checkNoRef(schema) {
+  var item;
+
+  if (Array.isArray(schema)) {
+    for (var i = 0; i < schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return false;
+      item = schema[key];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  }
+
+  return true;
+}
+
+function countKeys(schema) {
+  var count = 0,
+      item;
+
+  if (Array.isArray(schema)) {
+    for (var i = 0; i < schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object') count += countKeys(item);
+      if (count == Infinity) return Infinity;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return Infinity;
+
+      if (SIMPLE_INLINED[key]) {
+        count++;
+      } else {
+        item = schema[key];
+        if (typeof item == 'object') count += countKeys(item) + 1;
+        if (count == Infinity) return Infinity;
+      }
+    }
+  }
+
+  return count;
+}
+
+function getFullPath(id, normalize) {
+  if (normalize !== false) id = normalizeId(id);
+  var p = URI.parse(id);
+  return _getFullPath(p);
+}
+
+function _getFullPath(p) {
+  return URI.serialize(p).split('#')[0] + '#';
+}
+
+var TRAILING_SLASH_HASH = /#\/?$/;
+
+function normalizeId(id) {
+  return id ? id.replace(TRAILING_SLASH_HASH, '') : '';
+}
+
+function resolveUrl(baseId, id) {
+  id = normalizeId(id);
+  return URI.resolve(baseId, id);
+}
+/* @this Ajv */
+
+
+function resolveIds(schema) {
+  var schemaId = normalizeId(this._getId(schema));
+  var baseIds = {
+    '': schemaId
+  };
+  var fullPaths = {
+    '': getFullPath(schemaId, false)
+  };
+  var localRefs = {};
+  var self = this;
+  traverse(schema, {
+    allKeys: true
+  }, function (sch, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+    if (jsonPtr === '') return;
+
+    var id = self._getId(sch);
+
+    var baseId = baseIds[parentJsonPtr];
+    var fullPath = fullPaths[parentJsonPtr] + '/' + parentKeyword;
+    if (keyIndex !== undefined) fullPath += '/' + (typeof keyIndex == 'number' ? keyIndex : util.escapeFragment(keyIndex));
+
+    if (typeof id == 'string') {
+      id = baseId = normalizeId(baseId ? URI.resolve(baseId, id) : id);
+      var refVal = self._refs[id];
+      if (typeof refVal == 'string') refVal = self._refs[refVal];
+
+      if (refVal && refVal.schema) {
+        if (!equal(sch, refVal.schema)) throw new Error('id "' + id + '" resolves to more than one schema');
+      } else if (id != normalizeId(fullPath)) {
+        if (id[0] == '#') {
+          if (localRefs[id] && !equal(sch, localRefs[id])) throw new Error('id "' + id + '" resolves to more than one schema');
+          localRefs[id] = sch;
+        } else {
+          self._refs[id] = fullPath;
+        }
+      }
+    }
+
+    baseIds[jsonPtr] = baseId;
+    fullPaths[jsonPtr] = fullPath;
+  });
+  return localRefs;
+}
+
+/***/ }),
+/* 731 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/** @license URI.js v4.2.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */
+(function (global, factory) {
+   true ? factory(exports) : undefined;
+})(this, function (exports) {
+  'use strict';
+
+  function merge() {
+    for (var _len = arguments.length, sets = Array(_len), _key = 0; _key < _len; _key++) {
+      sets[_key] = arguments[_key];
+    }
+
+    if (sets.length > 1) {
+      sets[0] = sets[0].slice(0, -1);
+      var xl = sets.length - 1;
+
+      for (var x = 1; x < xl; ++x) {
+        sets[x] = sets[x].slice(1, -1);
+      }
+
+      sets[xl] = sets[xl].slice(1);
+      return sets.join('');
+    } else {
+      return sets[0];
+    }
+  }
+
+  function subexp(str) {
+    return "(?:" + str + ")";
+  }
+
+  function typeOf(o) {
+    return o === undefined ? "undefined" : o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase();
+  }
+
+  function toUpperCase(str) {
+    return str.toUpperCase();
+  }
+
+  function toArray(obj) {
+    return obj !== undefined && obj !== null ? obj instanceof Array ? obj : typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj) : [];
+  }
+
+  function assign(target, source) {
+    var obj = target;
+
+    if (source) {
+      for (var key in source) {
+        obj[key] = source[key];
+      }
+    }
+
+    return obj;
+  }
+
+  function buildExps(isIRI) {
+    var ALPHA$$ = "[A-Za-z]",
+        CR$ = "[\\x0D]",
+        DIGIT$$ = "[0-9]",
+        DQUOTE$$ = "[\\x22]",
+        HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"),
+        //case-insensitive
+    LF$$ = "[\\x0A]",
+        SP$$ = "[\\x20]",
+        PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)),
+        //expanded
+    GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]",
+        SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]",
+        RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),
+        UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]",
+        //subset, excludes bidi control characters
+    IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]",
+        //subset
+    UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$),
+        SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"),
+        USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"),
+        DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$),
+        DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$),
+        //relaxed parsing rules
+    IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$),
+        H16$ = subexp(HEXDIG$$ + "{1,4}"),
+        LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$),
+        IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$),
+        //                           6( h16 ":" ) ls32
+    IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$),
+        //                      "::" 5( h16 ":" ) ls32
+    IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$),
+        //[               h16 ] "::" 4( h16 ":" ) ls32
+    IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$),
+        //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$),
+        //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$),
+        //[ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$),
+        //[ *4( h16 ":" ) h16 ] "::"              ls32
+    IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$),
+        //[ *5( h16 ":" ) h16 ] "::"              h16
+    IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"),
+        //[ *6( h16 ":" ) h16 ] "::"
+    IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")),
+        ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"),
+        //RFC 6874
+    IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$),
+        //RFC 6874
+    IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$),
+        //RFC 6874, with relaxed parsing rules
+    IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"),
+        IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"),
+        //RFC 6874
+    REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"),
+        HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$),
+        PORT$ = subexp(DIGIT$$ + "*"),
+        AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"),
+        PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")),
+        SEGMENT$ = subexp(PCHAR$ + "*"),
+        SEGMENT_NZ$ = subexp(PCHAR$ + "+"),
+        SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"),
+        PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"),
+        PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"),
+        //simplified
+    PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_EMPTY$ = "(?!" + PCHAR$ + ")",
+        PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"),
+        FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"),
+        HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$),
+        RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$),
+        ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"),
+        GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$",
+        SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$";
+    return {
+      NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"),
+      NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+      NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+      NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+      NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+      NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"),
+      NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"),
+      ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+      UNRESERVED: new RegExp(UNRESERVED$$, "g"),
+      OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"),
+      PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"),
+      IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"),
+      IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules
+
+    };
+  }
+
+  var URI_PROTOCOL = buildExps(false);
+  var IRI_PROTOCOL = buildExps(true);
+
+  var slicedToArray = function () {
+    function sliceIterator(arr, i) {
+      var _arr = [];
+      var _n = true;
+      var _d = false;
+      var _e = undefined;
+
+      try {
+        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+          _arr.push(_s.value);
+
+          if (i && _arr.length === i) break;
+        }
+      } catch (err) {
+        _d = true;
+        _e = err;
+      } finally {
+        try {
+          if (!_n && _i["return"]) _i["return"]();
+        } finally {
+          if (_d) throw _e;
+        }
+      }
+
+      return _arr;
+    }
+
+    return function (arr, i) {
+      if (Array.isArray(arr)) {
+        return arr;
+      } else if (Symbol.iterator in Object(arr)) {
+        return sliceIterator(arr, i);
+      } else {
+        throw new TypeError("Invalid attempt to destructure non-iterable instance");
+      }
+    };
+  }();
+
+  var toConsumableArray = function toConsumableArray(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    } else {
+      return Array.from(arr);
+    }
+  };
+  /** Highest positive signed 32-bit float value */
+
+
+  var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+  /** Bootstring parameters */
+
+  var base = 36;
+  var tMin = 1;
+  var tMax = 26;
+  var skew = 38;
+  var damp = 700;
+  var initialBias = 72;
+  var initialN = 128; // 0x80
+
+  var delimiter = '-'; // '\x2D'
+
+  /** Regular expressions */
+
+  var regexPunycode = /^xn--/;
+  var regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
+
+  var regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+  /** Error messages */
+
+  var errors = {
+    'overflow': 'Overflow: input needs wider integers to process',
+    'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+    'invalid-input': 'Invalid input'
+  };
+  /** Convenience shortcuts */
+
+  var baseMinusTMin = base - tMin;
+  var floor = Math.floor;
+  var stringFromCharCode = String.fromCharCode;
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * A generic error utility function.
+   * @private
+   * @param {String} type The error type.
+   * @returns {Error} Throws a `RangeError` with the applicable error message.
+   */
+
+  function error$1(type) {
+    throw new RangeError(errors[type]);
+  }
+  /**
+   * A generic `Array#map` utility function.
+   * @private
+   * @param {Array} array The array to iterate over.
+   * @param {Function} callback The function that gets called for every array
+   * item.
+   * @returns {Array} A new array of values returned by the callback function.
+   */
+
+
+  function map(array, fn) {
+    var result = [];
+    var length = array.length;
+
+    while (length--) {
+      result[length] = fn(array[length]);
+    }
+
+    return result;
+  }
+  /**
+   * A simple `Array#map`-like wrapper to work with domain name strings or email
+   * addresses.
+   * @private
+   * @param {String} domain The domain name or email address.
+   * @param {Function} callback The function that gets called for every
+   * character.
+   * @returns {Array} A new string of characters returned by the callback
+   * function.
+   */
+
+
+  function mapDomain(string, fn) {
+    var parts = string.split('@');
+    var result = '';
+
+    if (parts.length > 1) {
+      // In email addresses, only the domain name should be punycoded. Leave
+      // the local part (i.e. everything up to `@`) intact.
+      result = parts[0] + '@';
+      string = parts[1];
+    } // Avoid `split(regex)` for IE8 compatibility. See #17.
+
+
+    string = string.replace(regexSeparators, '\x2E');
+    var labels = string.split('.');
+    var encoded = map(labels, fn).join('.');
+    return result + encoded;
+  }
+  /**
+   * Creates an array containing the numeric code points of each Unicode
+   * character in the string. While JavaScript uses UCS-2 internally,
+   * this function will convert a pair of surrogate halves (each of which
+   * UCS-2 exposes as separate characters) into a single code point,
+   * matching UTF-16.
+   * @see `punycode.ucs2.encode`
+   * @see <https://mathiasbynens.be/notes/javascript-encoding>
+   * @memberOf punycode.ucs2
+   * @name decode
+   * @param {String} string The Unicode input string (UCS-2).
+   * @returns {Array} The new array of code points.
+   */
+
+
+  function ucs2decode(string) {
+    var output = [];
+    var counter = 0;
+    var length = string.length;
+
+    while (counter < length) {
+      var value = string.charCodeAt(counter++);
+
+      if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+        // It's a high surrogate, and there is a next character.
+        var extra = string.charCodeAt(counter++);
+
+        if ((extra & 0xFC00) == 0xDC00) {
+          // Low surrogate.
+          output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+        } else {
+          // It's an unmatched surrogate; only append this code unit, in case the
+          // next code unit is the high surrogate of a surrogate pair.
+          output.push(value);
+          counter--;
+        }
+      } else {
+        output.push(value);
+      }
+    }
+
+    return output;
+  }
+  /**
+   * Creates a string based on an array of numeric code points.
+   * @see `punycode.ucs2.decode`
+   * @memberOf punycode.ucs2
+   * @name encode
+   * @param {Array} codePoints The array of numeric code points.
+   * @returns {String} The new Unicode string (UCS-2).
+   */
+
+
+  var ucs2encode = function ucs2encode(array) {
+    return String.fromCodePoint.apply(String, toConsumableArray(array));
+  };
+  /**
+   * Converts a basic code point into a digit/integer.
+   * @see `digitToBasic()`
+   * @private
+   * @param {Number} codePoint The basic numeric code point value.
+   * @returns {Number} The numeric value of a basic code point (for use in
+   * representing integers) in the range `0` to `base - 1`, or `base` if
+   * the code point does not represent a value.
+   */
+
+
+  var basicToDigit = function basicToDigit(codePoint) {
+    if (codePoint - 0x30 < 0x0A) {
+      return codePoint - 0x16;
+    }
+
+    if (codePoint - 0x41 < 0x1A) {
+      return codePoint - 0x41;
+    }
+
+    if (codePoint - 0x61 < 0x1A) {
+      return codePoint - 0x61;
+    }
+
+    return base;
+  };
+  /**
+   * Converts a digit/integer into a basic code point.
+   * @see `basicToDigit()`
+   * @private
+   * @param {Number} digit The numeric value of a basic code point.
+   * @returns {Number} The basic code point whose value (when used for
+   * representing integers) is `digit`, which needs to be in the range
+   * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+   * used; else, the lowercase form is used. The behavior is undefined
+   * if `flag` is non-zero and `digit` has no uppercase form.
+   */
+
+
+  var digitToBasic = function digitToBasic(digit, flag) {
+    //  0..25 map to ASCII a..z or A..Z
+    // 26..35 map to ASCII 0..9
+    return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+  };
+  /**
+   * Bias adaptation function as per section 3.4 of RFC 3492.
+   * https://tools.ietf.org/html/rfc3492#section-3.4
+   * @private
+   */
+
+
+  var adapt = function adapt(delta, numPoints, firstTime) {
+    var k = 0;
+    delta = firstTime ? floor(delta / damp) : delta >> 1;
+    delta += floor(delta / numPoints);
+
+    for (;
+    /* no initialization */
+    delta > baseMinusTMin * tMax >> 1; k += base) {
+      delta = floor(delta / baseMinusTMin);
+    }
+
+    return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+  };
+  /**
+   * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+   * symbols.
+   * @memberOf punycode
+   * @param {String} input The Punycode string of ASCII-only symbols.
+   * @returns {String} The resulting string of Unicode symbols.
+   */
+
+
+  var decode = function decode(input) {
+    // Don't use UCS-2.
+    var output = [];
+    var inputLength = input.length;
+    var i = 0;
+    var n = initialN;
+    var bias = initialBias; // Handle the basic code points: let `basic` be the number of input code
+    // points before the last delimiter, or `0` if there is none, then copy
+    // the first basic code points to the output.
+
+    var basic = input.lastIndexOf(delimiter);
+
+    if (basic < 0) {
+      basic = 0;
+    }
+
+    for (var j = 0; j < basic; ++j) {
+      // if it's not a basic code point
+      if (input.charCodeAt(j) >= 0x80) {
+        error$1('not-basic');
+      }
+
+      output.push(input.charCodeAt(j));
+    } // Main decoding loop: start just after the last delimiter if any basic code
+    // points were copied; start at the beginning otherwise.
+
+
+    for (var index = basic > 0 ? basic + 1 : 0; index < inputLength;)
+    /* no final expression */
+    {
+      // `index` is the index of the next character to be consumed.
+      // Decode a generalized variable-length integer into `delta`,
+      // which gets added to `i`. The overflow checking is easier
+      // if we increase `i` as we go, then subtract off its starting
+      // value at the end to obtain `delta`.
+      var oldi = i;
+
+      for (var w = 1, k = base;;
+      /* no condition */
+      k += base) {
+        if (index >= inputLength) {
+          error$1('invalid-input');
+        }
+
+        var digit = basicToDigit(input.charCodeAt(index++));
+
+        if (digit >= base || digit > floor((maxInt - i) / w)) {
+          error$1('overflow');
+        }
+
+        i += digit * w;
+        var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+
+        if (digit < t) {
+          break;
+        }
+
+        var baseMinusT = base - t;
+
+        if (w > floor(maxInt / baseMinusT)) {
+          error$1('overflow');
+        }
+
+        w *= baseMinusT;
+      }
+
+      var out = output.length + 1;
+      bias = adapt(i - oldi, out, oldi == 0); // `i` was supposed to wrap around from `out` to `0`,
+      // incrementing `n` each time, so we'll fix that now:
+
+      if (floor(i / out) > maxInt - n) {
+        error$1('overflow');
+      }
+
+      n += floor(i / out);
+      i %= out; // Insert `n` at position `i` of the output.
+
+      output.splice(i++, 0, n);
+    }
+
+    return String.fromCodePoint.apply(String, output);
+  };
+  /**
+   * Converts a string of Unicode symbols (e.g. a domain name label) to a
+   * Punycode string of ASCII-only symbols.
+   * @memberOf punycode
+   * @param {String} input The string of Unicode symbols.
+   * @returns {String} The resulting Punycode string of ASCII-only symbols.
+   */
+
+
+  var encode = function encode(input) {
+    var output = []; // Convert the input in UCS-2 to an array of Unicode code points.
+
+    input = ucs2decode(input); // Cache the length.
+
+    var inputLength = input.length; // Initialize the state.
+
+    var n = initialN;
+    var delta = 0;
+    var bias = initialBias; // Handle the basic code points.
+
+    var _iteratorNormalCompletion = true;
+    var _didIteratorError = false;
+    var _iteratorError = undefined;
+
+    try {
+      for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+        var _currentValue2 = _step.value;
+
+        if (_currentValue2 < 0x80) {
+          output.push(stringFromCharCode(_currentValue2));
+        }
+      }
+    } catch (err) {
+      _didIteratorError = true;
+      _iteratorError = err;
+    } finally {
+      try {
+        if (!_iteratorNormalCompletion && _iterator.return) {
+          _iterator.return();
+        }
+      } finally {
+        if (_didIteratorError) {
+          throw _iteratorError;
+        }
+      }
+    }
+
+    var basicLength = output.length;
+    var handledCPCount = basicLength; // `handledCPCount` is the number of code points that have been handled;
+    // `basicLength` is the number of basic code points.
+    // Finish the basic string with a delimiter unless it's empty.
+
+    if (basicLength) {
+      output.push(delimiter);
+    } // Main encoding loop:
+
+
+    while (handledCPCount < inputLength) {
+      // All non-basic code points < n have been handled already. Find the next
+      // larger one:
+      var m = maxInt;
+      var _iteratorNormalCompletion2 = true;
+      var _didIteratorError2 = false;
+      var _iteratorError2 = undefined;
+
+      try {
+        for (var _iterator2 = input[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+          var currentValue = _step2.value;
+
+          if (currentValue >= n && currentValue < m) {
+            m = currentValue;
+          }
+        } // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+        // but guard against overflow.
+
+      } catch (err) {
+        _didIteratorError2 = true;
+        _iteratorError2 = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion2 && _iterator2.return) {
+            _iterator2.return();
+          }
+        } finally {
+          if (_didIteratorError2) {
+            throw _iteratorError2;
+          }
+        }
+      }
+
+      var handledCPCountPlusOne = handledCPCount + 1;
+
+      if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+        error$1('overflow');
+      }
+
+      delta += (m - n) * handledCPCountPlusOne;
+      n = m;
+      var _iteratorNormalCompletion3 = true;
+      var _didIteratorError3 = false;
+      var _iteratorError3 = undefined;
+
+      try {
+        for (var _iterator3 = input[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+          var _currentValue = _step3.value;
+
+          if (_currentValue < n && ++delta > maxInt) {
+            error$1('overflow');
+          }
+
+          if (_currentValue == n) {
+            // Represent delta as a generalized variable-length integer.
+            var q = delta;
+
+            for (var k = base;;
+            /* no condition */
+            k += base) {
+              var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+
+              if (q < t) {
+                break;
+              }
+
+              var qMinusT = q - t;
+              var baseMinusT = base - t;
+              output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
+              q = floor(qMinusT / baseMinusT);
+            }
+
+            output.push(stringFromCharCode(digitToBasic(q, 0)));
+            bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+            delta = 0;
+            ++handledCPCount;
+          }
+        }
+      } catch (err) {
+        _didIteratorError3 = true;
+        _iteratorError3 = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion3 && _iterator3.return) {
+            _iterator3.return();
+          }
+        } finally {
+          if (_didIteratorError3) {
+            throw _iteratorError3;
+          }
+        }
+      }
+
+      ++delta;
+      ++n;
+    }
+
+    return output.join('');
+  };
+  /**
+   * Converts a Punycode string representing a domain name or an email address
+   * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+   * it doesn't matter if you call it on a string that has already been
+   * converted to Unicode.
+   * @memberOf punycode
+   * @param {String} input The Punycoded domain name or email address to
+   * convert to Unicode.
+   * @returns {String} The Unicode representation of the given Punycode
+   * string.
+   */
+
+
+  var toUnicode = function toUnicode(input) {
+    return mapDomain(input, function (string) {
+      return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string;
+    });
+  };
+  /**
+   * Converts a Unicode string representing a domain name or an email address to
+   * Punycode. Only the non-ASCII parts of the domain name will be converted,
+   * i.e. it doesn't matter if you call it with a domain that's already in
+   * ASCII.
+   * @memberOf punycode
+   * @param {String} input The domain name or email address to convert, as a
+   * Unicode string.
+   * @returns {String} The Punycode representation of the given domain name or
+   * email address.
+   */
+
+
+  var toASCII = function toASCII(input) {
+    return mapDomain(input, function (string) {
+      return regexNonASCII.test(string) ? 'xn--' + encode(string) : string;
+    });
+  };
+  /*--------------------------------------------------------------------------*/
+
+  /** Define the public API */
+
+
+  var punycode = {
+    /**
+     * A string representing the current Punycode.js version number.
+     * @memberOf punycode
+     * @type String
+     */
+    'version': '2.1.0',
+
+    /**
+     * An object of methods to convert from JavaScript's internal character
+     * representation (UCS-2) to Unicode code points, and back.
+     * @see <https://mathiasbynens.be/notes/javascript-encoding>
+     * @memberOf punycode
+     * @type Object
+     */
+    'ucs2': {
+      'decode': ucs2decode,
+      'encode': ucs2encode
+    },
+    'decode': decode,
+    'encode': encode,
+    'toASCII': toASCII,
+    'toUnicode': toUnicode
+  };
+  /**
+   * URI.js
+   *
+   * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
+   * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+   * @see http://github.com/garycourt/uri-js
+   */
+
+  /**
+   * Copyright 2011 Gary Court. All rights reserved.
+   *
+   * Redistribution and use in source and binary forms, with or without modification, are
+   * permitted provided that the following conditions are met:
+   *
+   *    1. Redistributions of source code must retain the above copyright notice, this list of
+   *       conditions and the following disclaimer.
+   *
+   *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+   *       of conditions and the following disclaimer in the documentation and/or other materials
+   *       provided with the distribution.
+   *
+   * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
+   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+   *
+   * The views and conclusions contained in the software and documentation are those of the
+   * authors and should not be interpreted as representing official policies, either expressed
+   * or implied, of Gary Court.
+   */
+
+  var SCHEMES = {};
+
+  function pctEncChar(chr) {
+    var c = chr.charCodeAt(0);
+    var e = void 0;
+    if (c < 16) e = "%0" + c.toString(16).toUpperCase();else if (c < 128) e = "%" + c.toString(16).toUpperCase();else if (c < 2048) e = "%" + (c >> 6 | 192).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();else e = "%" + (c >> 12 | 224).toString(16).toUpperCase() + "%" + (c >> 6 & 63 | 128).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();
+    return e;
+  }
+
+  function pctDecChars(str) {
+    var newStr = "";
+    var i = 0;
+    var il = str.length;
+
+    while (i < il) {
+      var c = parseInt(str.substr(i + 1, 2), 16);
+
+      if (c < 128) {
+        newStr += String.fromCharCode(c);
+        i += 3;
+      } else if (c >= 194 && c < 224) {
+        if (il - i >= 6) {
+          var c2 = parseInt(str.substr(i + 4, 2), 16);
+          newStr += String.fromCharCode((c & 31) << 6 | c2 & 63);
+        } else {
+          newStr += str.substr(i, 6);
+        }
+
+        i += 6;
+      } else if (c >= 224) {
+        if (il - i >= 9) {
+          var _c = parseInt(str.substr(i + 4, 2), 16);
+
+          var c3 = parseInt(str.substr(i + 7, 2), 16);
+          newStr += String.fromCharCode((c & 15) << 12 | (_c & 63) << 6 | c3 & 63);
+        } else {
+          newStr += str.substr(i, 9);
+        }
+
+        i += 9;
+      } else {
+        newStr += str.substr(i, 3);
+        i += 3;
+      }
+    }
+
+    return newStr;
+  }
+
+  function _normalizeComponentEncoding(components, protocol) {
+    function decodeUnreserved(str) {
+      var decStr = pctDecChars(str);
+      return !decStr.match(protocol.UNRESERVED) ? str : decStr;
+    }
+
+    if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
+    if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    return components;
+  }
+
+  function _stripLeadingZeros(str) {
+    return str.replace(/^0*(.*)/, "$1") || "0";
+  }
+
+  function _normalizeIPv4(host, protocol) {
+    var matches = host.match(protocol.IPV4ADDRESS) || [];
+
+    var _matches = slicedToArray(matches, 2),
+        address = _matches[1];
+
+    if (address) {
+      return address.split(".").map(_stripLeadingZeros).join(".");
+    } else {
+      return host;
+    }
+  }
+
+  function _normalizeIPv6(host, protocol) {
+    var matches = host.match(protocol.IPV6ADDRESS) || [];
+
+    var _matches2 = slicedToArray(matches, 3),
+        address = _matches2[1],
+        zone = _matches2[2];
+
+    if (address) {
+      var _address$toLowerCase$ = address.toLowerCase().split('::').reverse(),
+          _address$toLowerCase$2 = slicedToArray(_address$toLowerCase$, 2),
+          last = _address$toLowerCase$2[0],
+          first = _address$toLowerCase$2[1];
+
+      var firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
+      var lastFields = last.split(":").map(_stripLeadingZeros);
+      var isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
+      var fieldCount = isLastFieldIPv4Address ? 7 : 8;
+      var lastFieldsStart = lastFields.length - fieldCount;
+      var fields = Array(fieldCount);
+
+      for (var x = 0; x < fieldCount; ++x) {
+        fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
+      }
+
+      if (isLastFieldIPv4Address) {
+        fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
+      }
+
+      var allZeroFields = fields.reduce(function (acc, field, index) {
+        if (!field || field === "0") {
+          var lastLongest = acc[acc.length - 1];
+
+          if (lastLongest && lastLongest.index + lastLongest.length === index) {
+            lastLongest.length++;
+          } else {
+            acc.push({
+              index: index,
+              length: 1
+            });
+          }
+        }
+
+        return acc;
+      }, []);
+      var longestZeroFields = allZeroFields.sort(function (a, b) {
+        return b.length - a.length;
+      })[0];
+      var newHost = void 0;
+
+      if (longestZeroFields && longestZeroFields.length > 1) {
+        var newFirst = fields.slice(0, longestZeroFields.index);
+        var newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
+        newHost = newFirst.join(":") + "::" + newLast.join(":");
+      } else {
+        newHost = fields.join(":");
+      }
+
+      if (zone) {
+        newHost += "%" + zone;
+      }
+
+      return newHost;
+    } else {
+      return host;
+    }
+  }
+
+  var URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
+  var NO_MATCH_IS_UNDEFINED = "".match(/(){0}/)[1] === undefined;
+
+  function parse(uriString) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var components = {};
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
+    var matches = uriString.match(URI_PARSE);
+
+    if (matches) {
+      if (NO_MATCH_IS_UNDEFINED) {
+        //store each component
+        components.scheme = matches[1];
+        components.userinfo = matches[3];
+        components.host = matches[4];
+        components.port = parseInt(matches[5], 10);
+        components.path = matches[6] || "";
+        components.query = matches[7];
+        components.fragment = matches[8]; //fix port number
+
+        if (isNaN(components.port)) {
+          components.port = matches[5];
+        }
+      } else {
+        //IE FIX for improper RegExp matching
+        //store each component
+        components.scheme = matches[1] || undefined;
+        components.userinfo = uriString.indexOf("@") !== -1 ? matches[3] : undefined;
+        components.host = uriString.indexOf("//") !== -1 ? matches[4] : undefined;
+        components.port = parseInt(matches[5], 10);
+        components.path = matches[6] || "";
+        components.query = uriString.indexOf("?") !== -1 ? matches[7] : undefined;
+        components.fragment = uriString.indexOf("#") !== -1 ? matches[8] : undefined; //fix port number
+
+        if (isNaN(components.port)) {
+          components.port = uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined;
+        }
+      }
+
+      if (components.host) {
+        //normalize IP hosts
+        components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
+      } //determine reference type
+
+
+      if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
+        components.reference = "same-document";
+      } else if (components.scheme === undefined) {
+        components.reference = "relative";
+      } else if (components.fragment === undefined) {
+        components.reference = "absolute";
+      } else {
+        components.reference = "uri";
+      } //check for reference errors
+
+
+      if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
+        components.error = components.error || "URI is not a " + options.reference + " reference.";
+      } //find scheme handler
+
+
+      var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; //check if scheme can't handle IRIs
+
+      if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
+        //if host component is a domain name
+        if (components.host && (options.domainHost || schemeHandler && schemeHandler.domainHost)) {
+          //convert Unicode IDN -> ASCII IDN
+          try {
+            components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
+          } catch (e) {
+            components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
+          }
+        } //convert IRI -> URI
+
+
+        _normalizeComponentEncoding(components, URI_PROTOCOL);
+      } else {
+        //normalize encodings
+        _normalizeComponentEncoding(components, protocol);
+      } //perform scheme specific parsing
+
+
+      if (schemeHandler && schemeHandler.parse) {
+        schemeHandler.parse(components, options);
+      }
+    } else {
+      components.error = components.error || "URI can not be parsed.";
+    }
+
+    return components;
+  }
+
+  function _recomposeAuthority(components, options) {
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = [];
+
+    if (components.userinfo !== undefined) {
+      uriTokens.push(components.userinfo);
+      uriTokens.push("@");
+    }
+
+    if (components.host !== undefined) {
+      //normalize IP hosts, add brackets and escape zone separator for IPv6
+      uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, function (_, $1, $2) {
+        return "[" + $1 + ($2 ? "%25" + $2 : "") + "]";
+      }));
+    }
+
+    if (typeof components.port === "number") {
+      uriTokens.push(":");
+      uriTokens.push(components.port.toString(10));
+    }
+
+    return uriTokens.length ? uriTokens.join("") : undefined;
+  }
+
+  var RDS1 = /^\.\.?\//;
+  var RDS2 = /^\/\.(\/|$)/;
+  var RDS3 = /^\/\.\.(\/|$)/;
+  var RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
+
+  function removeDotSegments(input) {
+    var output = [];
+
+    while (input.length) {
+      if (input.match(RDS1)) {
+        input = input.replace(RDS1, "");
+      } else if (input.match(RDS2)) {
+        input = input.replace(RDS2, "/");
+      } else if (input.match(RDS3)) {
+        input = input.replace(RDS3, "/");
+        output.pop();
+      } else if (input === "." || input === "..") {
+        input = "";
+      } else {
+        var im = input.match(RDS5);
+
+        if (im) {
+          var s = im[0];
+          input = input.slice(s.length);
+          output.push(s);
+        } else {
+          throw new Error("Unexpected dot segment condition");
+        }
+      }
+    }
+
+    return output.join("");
+  }
+
+  function serialize(components) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+    var protocol = options.iri ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = []; //find scheme handler
+
+    var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; //perform scheme specific serialization
+
+    if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);
+
+    if (components.host) {
+      //if host component is an IPv6 address
+      if (protocol.IPV6ADDRESS.test(components.host)) {} //TODO: normalize IPv6 address as per RFC 5952
+      //if host component is a domain name
+      else if (options.domainHost || schemeHandler && schemeHandler.domainHost) {
+          //convert IDN via punycode
+          try {
+            components.host = !options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host);
+          } catch (e) {
+            components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+          }
+        }
+    } //normalize encoding
+
+
+    _normalizeComponentEncoding(components, protocol);
+
+    if (options.reference !== "suffix" && components.scheme) {
+      uriTokens.push(components.scheme);
+      uriTokens.push(":");
+    }
+
+    var authority = _recomposeAuthority(components, options);
+
+    if (authority !== undefined) {
+      if (options.reference !== "suffix") {
+        uriTokens.push("//");
+      }
+
+      uriTokens.push(authority);
+
+      if (components.path && components.path.charAt(0) !== "/") {
+        uriTokens.push("/");
+      }
+    }
+
+    if (components.path !== undefined) {
+      var s = components.path;
+
+      if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
+        s = removeDotSegments(s);
+      }
+
+      if (authority === undefined) {
+        s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
+      }
+
+      uriTokens.push(s);
+    }
+
+    if (components.query !== undefined) {
+      uriTokens.push("?");
+      uriTokens.push(components.query);
+    }
+
+    if (components.fragment !== undefined) {
+      uriTokens.push("#");
+      uriTokens.push(components.fragment);
+    }
+
+    return uriTokens.join(""); //merge tokens into a string
+  }
+
+  function resolveComponents(base, relative) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var skipNormalization = arguments[3];
+    var target = {};
+
+    if (!skipNormalization) {
+      base = parse(serialize(base, options), options); //normalize base components
+
+      relative = parse(serialize(relative, options), options); //normalize relative components
+    }
+
+    options = options || {};
+
+    if (!options.tolerant && relative.scheme) {
+      target.scheme = relative.scheme; //target.authority = relative.authority;
+
+      target.userinfo = relative.userinfo;
+      target.host = relative.host;
+      target.port = relative.port;
+      target.path = removeDotSegments(relative.path || "");
+      target.query = relative.query;
+    } else {
+      if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
+        //target.authority = relative.authority;
+        target.userinfo = relative.userinfo;
+        target.host = relative.host;
+        target.port = relative.port;
+        target.path = removeDotSegments(relative.path || "");
+        target.query = relative.query;
+      } else {
+        if (!relative.path) {
+          target.path = base.path;
+
+          if (relative.query !== undefined) {
+            target.query = relative.query;
+          } else {
+            target.query = base.query;
+          }
+        } else {
+          if (relative.path.charAt(0) === "/") {
+            target.path = removeDotSegments(relative.path);
+          } else {
+            if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
+              target.path = "/" + relative.path;
+            } else if (!base.path) {
+              target.path = relative.path;
+            } else {
+              target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
+            }
+
+            target.path = removeDotSegments(target.path);
+          }
+
+          target.query = relative.query;
+        } //target.authority = base.authority;
+
+
+        target.userinfo = base.userinfo;
+        target.host = base.host;
+        target.port = base.port;
+      }
+
+      target.scheme = base.scheme;
+    }
+
+    target.fragment = relative.fragment;
+    return target;
+  }
+
+  function resolve(baseURI, relativeURI, options) {
+    var schemelessOptions = assign({
+      scheme: 'null'
+    }, options);
+    return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
+  }
+
+  function normalize(uri, options) {
+    if (typeof uri === "string") {
+      uri = serialize(parse(uri, options), options);
+    } else if (typeOf(uri) === "object") {
+      uri = parse(serialize(uri, options), options);
+    }
+
+    return uri;
+  }
+
+  function equal(uriA, uriB, options) {
+    if (typeof uriA === "string") {
+      uriA = serialize(parse(uriA, options), options);
+    } else if (typeOf(uriA) === "object") {
+      uriA = serialize(uriA, options);
+    }
+
+    if (typeof uriB === "string") {
+      uriB = serialize(parse(uriB, options), options);
+    } else if (typeOf(uriB) === "object") {
+      uriB = serialize(uriB, options);
+    }
+
+    return uriA === uriB;
+  }
+
+  function escapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE, pctEncChar);
+  }
+
+  function unescapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED, pctDecChars);
+  }
+
+  var handler = {
+    scheme: "http",
+    domainHost: true,
+    parse: function parse(components, options) {
+      //report missing host
+      if (!components.host) {
+        components.error = components.error || "HTTP URIs must have a host.";
+      }
+
+      return components;
+    },
+    serialize: function serialize(components, options) {
+      //normalize the default port
+      if (components.port === (String(components.scheme).toLowerCase() !== "https" ? 80 : 443) || components.port === "") {
+        components.port = undefined;
+      } //normalize the empty path
+
+
+      if (!components.path) {
+        components.path = "/";
+      } //NOTE: We do not parse query strings for HTTP URIs
+      //as WWW Form Url Encoded query strings are part of the HTML4+ spec,
+      //and not the HTTP spec.
+
+
+      return components;
+    }
+  };
+  var handler$1 = {
+    scheme: "https",
+    domainHost: handler.domainHost,
+    parse: handler.parse,
+    serialize: handler.serialize
+  };
+  var O = {};
+  var isIRI = true; //RFC 3986
+
+  var UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
+  var HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
+
+  var PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
+  //RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
+  //const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
+  //const WSP$$ = "[\\x20\\x09]";
+  //const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]";  //(%d1-8 / %d11-12 / %d14-31 / %d127)
+  //const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext
+  //const VCHAR$$ = "[\\x21-\\x7E]";
+  //const WSP$$ = "[\\x20\\x09]";
+  //const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext
+  //const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
+  //const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
+  //const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
+
+  var ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
+  var QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
+  var VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
+  var SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
+  var UNRESERVED = new RegExp(UNRESERVED$$, "g");
+  var PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
+  var NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
+  var NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
+  var NOT_HFVALUE = NOT_HFNAME;
+
+  function decodeUnreserved(str) {
+    var decStr = pctDecChars(str);
+    return !decStr.match(UNRESERVED) ? str : decStr;
+  }
+
+  var handler$2 = {
+    scheme: "mailto",
+    parse: function parse$$1(components, options) {
+      var mailtoComponents = components;
+      var to = mailtoComponents.to = mailtoComponents.path ? mailtoComponents.path.split(",") : [];
+      mailtoComponents.path = undefined;
+
+      if (mailtoComponents.query) {
+        var unknownHeaders = false;
+        var headers = {};
+        var hfields = mailtoComponents.query.split("&");
+
+        for (var x = 0, xl = hfields.length; x < xl; ++x) {
+          var hfield = hfields[x].split("=");
+
+          switch (hfield[0]) {
+            case "to":
+              var toAddrs = hfield[1].split(",");
+
+              for (var _x = 0, _xl = toAddrs.length; _x < _xl; ++_x) {
+                to.push(toAddrs[_x]);
+              }
+
+              break;
+
+            case "subject":
+              mailtoComponents.subject = unescapeComponent(hfield[1], options);
+              break;
+
+            case "body":
+              mailtoComponents.body = unescapeComponent(hfield[1], options);
+              break;
+
+            default:
+              unknownHeaders = true;
+              headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
+              break;
+          }
+        }
+
+        if (unknownHeaders) mailtoComponents.headers = headers;
+      }
+
+      mailtoComponents.query = undefined;
+
+      for (var _x2 = 0, _xl2 = to.length; _x2 < _xl2; ++_x2) {
+        var addr = to[_x2].split("@");
+
+        addr[0] = unescapeComponent(addr[0]);
+
+        if (!options.unicodeSupport) {
+          //convert Unicode IDN -> ASCII IDN
+          try {
+            addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
+          } catch (e) {
+            mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
+          }
+        } else {
+          addr[1] = unescapeComponent(addr[1], options).toLowerCase();
+        }
+
+        to[_x2] = addr.join("@");
+      }
+
+      return mailtoComponents;
+    },
+    serialize: function serialize$$1(mailtoComponents, options) {
+      var components = mailtoComponents;
+      var to = toArray(mailtoComponents.to);
+
+      if (to) {
+        for (var x = 0, xl = to.length; x < xl; ++x) {
+          var toAddr = String(to[x]);
+          var atIdx = toAddr.lastIndexOf("@");
+          var localPart = toAddr.slice(0, atIdx).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
+          var domain = toAddr.slice(atIdx + 1); //convert IDN via punycode
+
+          try {
+            domain = !options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain);
+          } catch (e) {
+            components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+          }
+
+          to[x] = localPart + "@" + domain;
+        }
+
+        components.path = to.join(",");
+      }
+
+      var headers = mailtoComponents.headers = mailtoComponents.headers || {};
+      if (mailtoComponents.subject) headers["subject"] = mailtoComponents.subject;
+      if (mailtoComponents.body) headers["body"] = mailtoComponents.body;
+      var fields = [];
+
+      for (var name in headers) {
+        if (headers[name] !== O[name]) {
+          fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + "=" + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
+        }
+      }
+
+      if (fields.length) {
+        components.query = fields.join("&");
+      }
+
+      return components;
+    }
+  };
+  var URN_PARSE = /^([^\:]+)\:(.*)/; //RFC 2141
+
+  var handler$3 = {
+    scheme: "urn",
+    parse: function parse$$1(components, options) {
+      var matches = components.path && components.path.match(URN_PARSE);
+      var urnComponents = components;
+
+      if (matches) {
+        var scheme = options.scheme || urnComponents.scheme || "urn";
+        var nid = matches[1].toLowerCase();
+        var nss = matches[2];
+        var urnScheme = scheme + ":" + (options.nid || nid);
+        var schemeHandler = SCHEMES[urnScheme];
+        urnComponents.nid = nid;
+        urnComponents.nss = nss;
+        urnComponents.path = undefined;
+
+        if (schemeHandler) {
+          urnComponents = schemeHandler.parse(urnComponents, options);
+        }
+      } else {
+        urnComponents.error = urnComponents.error || "URN can not be parsed.";
+      }
+
+      return urnComponents;
+    },
+    serialize: function serialize$$1(urnComponents, options) {
+      var scheme = options.scheme || urnComponents.scheme || "urn";
+      var nid = urnComponents.nid;
+      var urnScheme = scheme + ":" + (options.nid || nid);
+      var schemeHandler = SCHEMES[urnScheme];
+
+      if (schemeHandler) {
+        urnComponents = schemeHandler.serialize(urnComponents, options);
+      }
+
+      var uriComponents = urnComponents;
+      var nss = urnComponents.nss;
+      uriComponents.path = (nid || options.nid) + ":" + nss;
+      return uriComponents;
+    }
+  };
+  var UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/; //RFC 4122
+
+  var handler$4 = {
+    scheme: "urn:uuid",
+    parse: function parse(urnComponents, options) {
+      var uuidComponents = urnComponents;
+      uuidComponents.uuid = uuidComponents.nss;
+      uuidComponents.nss = undefined;
+
+      if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {
+        uuidComponents.error = uuidComponents.error || "UUID is not valid.";
+      }
+
+      return uuidComponents;
+    },
+    serialize: function serialize(uuidComponents, options) {
+      var urnComponents = uuidComponents; //normalize UUID
+
+      urnComponents.nss = (uuidComponents.uuid || "").toLowerCase();
+      return urnComponents;
+    }
+  };
+  SCHEMES[handler.scheme] = handler;
+  SCHEMES[handler$1.scheme] = handler$1;
+  SCHEMES[handler$2.scheme] = handler$2;
+  SCHEMES[handler$3.scheme] = handler$3;
+  SCHEMES[handler$4.scheme] = handler$4;
+  exports.SCHEMES = SCHEMES;
+  exports.pctEncChar = pctEncChar;
+  exports.pctDecChars = pctDecChars;
+  exports.parse = parse;
+  exports.removeDotSegments = removeDotSegments;
+  exports.serialize = serialize;
+  exports.resolveComponents = resolveComponents;
+  exports.resolve = resolve;
+  exports.normalize = normalize;
+  exports.equal = equal;
+  exports.escapeComponent = escapeComponent;
+  exports.unescapeComponent = unescapeComponent;
+  Object.defineProperty(exports, '__esModule', {
+    value: true
+  });
+});
+
+/***/ }),
+/* 732 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // do not edit .js files directly - edit src/index.jst
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+    var length, i, keys;
+
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+
+      for (i = length; i-- !== 0;) if (!equal(a[i], b[i])) return false;
+
+      return true;
+    }
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;) if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  } // true if both NaN, false otherwise
+
+
+  return a !== a && b !== b;
+};
+
+/***/ }),
+/* 733 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = {
+  copy: copy,
+  checkDataType: checkDataType,
+  checkDataTypes: checkDataTypes,
+  coerceToTypes: coerceToTypes,
+  toHash: toHash,
+  getProperty: getProperty,
+  escapeQuotes: escapeQuotes,
+  equal: __webpack_require__(732),
+  ucs2length: __webpack_require__(734),
+  varOccurences: varOccurences,
+  varReplace: varReplace,
+  cleanUpCode: cleanUpCode,
+  finalCleanUpCode: finalCleanUpCode,
+  schemaHasRules: schemaHasRules,
+  schemaHasRulesExcept: schemaHasRulesExcept,
+  schemaUnknownRules: schemaUnknownRules,
+  toQuotedString: toQuotedString,
+  getPathExpr: getPathExpr,
+  getPath: getPath,
+  getData: getData,
+  unescapeFragment: unescapeFragment,
+  unescapeJsonPointer: unescapeJsonPointer,
+  escapeFragment: escapeFragment,
+  escapeJsonPointer: escapeJsonPointer
+};
+
+function copy(o, to) {
+  to = to || {};
+
+  for (var key in o) to[key] = o[key];
+
+  return to;
+}
+
+function checkDataType(dataType, data, negate) {
+  var EQUAL = negate ? ' !== ' : ' === ',
+      AND = negate ? ' || ' : ' && ',
+      OK = negate ? '!' : '',
+      NOT = negate ? '' : '!';
+
+  switch (dataType) {
+    case 'null':
+      return data + EQUAL + 'null';
+
+    case 'array':
+      return OK + 'Array.isArray(' + data + ')';
+
+    case 'object':
+      return '(' + OK + data + AND + 'typeof ' + data + EQUAL + '"object"' + AND + NOT + 'Array.isArray(' + data + '))';
+
+    case 'integer':
+      return '(typeof ' + data + EQUAL + '"number"' + AND + NOT + '(' + data + ' % 1)' + AND + data + EQUAL + data + ')';
+
+    default:
+      return 'typeof ' + data + EQUAL + '"' + dataType + '"';
+  }
+}
+
+function checkDataTypes(dataTypes, data) {
+  switch (dataTypes.length) {
+    case 1:
+      return checkDataType(dataTypes[0], data, true);
+
+    default:
+      var code = '';
+      var types = toHash(dataTypes);
+
+      if (types.array && types.object) {
+        code = types.null ? '(' : '(!' + data + ' || ';
+        code += 'typeof ' + data + ' !== "object")';
+        delete types.null;
+        delete types.array;
+        delete types.object;
+      }
+
+      if (types.number) delete types.integer;
+
+      for (var t in types) code += (code ? ' && ' : '') + checkDataType(t, data, true);
+
+      return code;
+  }
+}
+
+var COERCE_TO_TYPES = toHash(['string', 'number', 'integer', 'boolean', 'null']);
+
+function coerceToTypes(optionCoerceTypes, dataTypes) {
+  if (Array.isArray(dataTypes)) {
+    var types = [];
+
+    for (var i = 0; i < dataTypes.length; i++) {
+      var t = dataTypes[i];
+      if (COERCE_TO_TYPES[t]) types[types.length] = t;else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
+    }
+
+    if (types.length) return types;
+  } else if (COERCE_TO_TYPES[dataTypes]) {
+    return [dataTypes];
+  } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
+    return ['array'];
+  }
+}
+
+function toHash(arr) {
+  var hash = {};
+
+  for (var i = 0; i < arr.length; i++) hash[arr[i]] = true;
+
+  return hash;
+}
+
+var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
+var SINGLE_QUOTE = /'|\\/g;
+
+function getProperty(key) {
+  return typeof key == 'number' ? '[' + key + ']' : IDENTIFIER.test(key) ? '.' + key : "['" + escapeQuotes(key) + "']";
+}
+
+function escapeQuotes(str) {
+  return str.replace(SINGLE_QUOTE, '\\$&').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/\f/g, '\\f').replace(/\t/g, '\\t');
+}
+
+function varOccurences(str, dataVar) {
+  dataVar += '[^0-9]';
+  var matches = str.match(new RegExp(dataVar, 'g'));
+  return matches ? matches.length : 0;
+}
+
+function varReplace(str, dataVar, expr) {
+  dataVar += '([^0-9])';
+  expr = expr.replace(/\$/g, '$$$$');
+  return str.replace(new RegExp(dataVar, 'g'), expr + '$1');
+}
+
+var EMPTY_ELSE = /else\s*{\s*}/g,
+    EMPTY_IF_NO_ELSE = /if\s*\([^)]+\)\s*\{\s*\}(?!\s*else)/g,
+    EMPTY_IF_WITH_ELSE = /if\s*\(([^)]+)\)\s*\{\s*\}\s*else(?!\s*if)/g;
+
+function cleanUpCode(out) {
+  return out.replace(EMPTY_ELSE, '').replace(EMPTY_IF_NO_ELSE, '').replace(EMPTY_IF_WITH_ELSE, 'if (!($1))');
+}
+
+var ERRORS_REGEXP = /[^v.]errors/g,
+    REMOVE_ERRORS = /var errors = 0;|var vErrors = null;|validate.errors = vErrors;/g,
+    REMOVE_ERRORS_ASYNC = /var errors = 0;|var vErrors = null;/g,
+    RETURN_VALID = 'return errors === 0;',
+    RETURN_TRUE = 'validate.errors = null; return true;',
+    RETURN_ASYNC = /if \(errors === 0\) return data;\s*else throw new ValidationError\(vErrors\);/,
+    RETURN_DATA_ASYNC = 'return data;',
+    ROOTDATA_REGEXP = /[^A-Za-z_$]rootData[^A-Za-z0-9_$]/g,
+    REMOVE_ROOTDATA = /if \(rootData === undefined\) rootData = data;/;
+
+function finalCleanUpCode(out, async) {
+  var matches = out.match(ERRORS_REGEXP);
+
+  if (matches && matches.length == 2) {
+    out = async ? out.replace(REMOVE_ERRORS_ASYNC, '').replace(RETURN_ASYNC, RETURN_DATA_ASYNC) : out.replace(REMOVE_ERRORS, '').replace(RETURN_VALID, RETURN_TRUE);
+  }
+
+  matches = out.match(ROOTDATA_REGEXP);
+  if (!matches || matches.length !== 3) return out;
+  return out.replace(REMOVE_ROOTDATA, '');
+}
+
+function schemaHasRules(schema, rules) {
+  if (typeof schema == 'boolean') return !schema;
+
+  for (var key in schema) if (rules[key]) return true;
+}
+
+function schemaHasRulesExcept(schema, rules, exceptKeyword) {
+  if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
+
+  for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
+}
+
+function schemaUnknownRules(schema, rules) {
+  if (typeof schema == 'boolean') return;
+
+  for (var key in schema) if (!rules[key]) return key;
+}
+
+function toQuotedString(str) {
+  return '\'' + escapeQuotes(str) + '\'';
+}
+
+function getPathExpr(currentPath, expr, jsonPointers, isNumber) {
+  var path = jsonPointers // false by default
+  ? '\'/\' + ' + expr + (isNumber ? '' : '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\')') : isNumber ? '\'[\' + ' + expr + ' + \']\'' : '\'[\\\'\' + ' + expr + ' + \'\\\']\'';
+  return joinPaths(currentPath, path);
+}
+
+function getPath(currentPath, prop, jsonPointers) {
+  var path = jsonPointers // false by default
+  ? toQuotedString('/' + escapeJsonPointer(prop)) : toQuotedString(getProperty(prop));
+  return joinPaths(currentPath, path);
+}
+
+var JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/;
+var RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/;
+
+function getData($data, lvl, paths) {
+  var up, jsonPointer, data, matches;
+  if ($data === '') return 'rootData';
+
+  if ($data[0] == '/') {
+    if (!JSON_POINTER.test($data)) throw new Error('Invalid JSON-pointer: ' + $data);
+    jsonPointer = $data;
+    data = 'rootData';
+  } else {
+    matches = $data.match(RELATIVE_JSON_POINTER);
+    if (!matches) throw new Error('Invalid JSON-pointer: ' + $data);
+    up = +matches[1];
+    jsonPointer = matches[2];
+
+    if (jsonPointer == '#') {
+      if (up >= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
+      return paths[lvl - up];
+    }
+
+    if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
+    data = 'data' + (lvl - up || '');
+    if (!jsonPointer) return data;
+  }
+
+  var expr = data;
+  var segments = jsonPointer.split('/');
+
+  for (var i = 0; i < segments.length; i++) {
+    var segment = segments[i];
+
+    if (segment) {
+      data += getProperty(unescapeJsonPointer(segment));
+      expr += ' && ' + data;
+    }
+  }
+
+  return expr;
+}
+
+function joinPaths(a, b) {
+  if (a == '""') return b;
+  return (a + ' + ' + b).replace(/' \+ '/g, '');
+}
+
+function unescapeFragment(str) {
+  return unescapeJsonPointer(decodeURIComponent(str));
+}
+
+function escapeFragment(str) {
+  return encodeURIComponent(escapeJsonPointer(str));
+}
+
+function escapeJsonPointer(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
+
+/***/ }),
+/* 734 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ // https://mathiasbynens.be/notes/javascript-encoding
+// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
+
+module.exports = function ucs2length(str) {
+  var length = 0,
+      len = str.length,
+      pos = 0,
+      value;
+
+  while (pos < len) {
+    length++;
+    value = str.charCodeAt(pos++);
+
+    if (value >= 0xD800 && value <= 0xDBFF && pos < len) {
+      // high surrogate, and there is a next character
+      value = str.charCodeAt(pos);
+      if ((value & 0xFC00) == 0xDC00) pos++; // low surrogate
+    }
+  }
+
+  return length;
+};
+
+/***/ }),
+/* 735 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var util = __webpack_require__(733);
+
+module.exports = SchemaObject;
+
+function SchemaObject(obj) {
+  util.copy(obj, this);
+}
+
+/***/ }),
+/* 736 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var traverse = module.exports = function (schema, opts, cb) {
+  // Legacy support for v0.3.1 and earlier.
+  if (typeof opts == 'function') {
+    cb = opts;
+    opts = {};
+  }
+
+  cb = opts.cb || cb;
+  var pre = typeof cb == 'function' ? cb : cb.pre || function () {};
+
+  var post = cb.post || function () {};
+
+  _traverse(opts, pre, post, schema, '', schema);
+};
+
+traverse.keywords = {
+  additionalItems: true,
+  items: true,
+  contains: true,
+  additionalProperties: true,
+  propertyNames: true,
+  not: true
+};
+traverse.arrayKeywords = {
+  items: true,
+  allOf: true,
+  anyOf: true,
+  oneOf: true
+};
+traverse.propsKeywords = {
+  definitions: true,
+  properties: true,
+  patternProperties: true,
+  dependencies: true
+};
+traverse.skipKeywords = {
+  default: true,
+  enum: true,
+  const: true,
+  required: true,
+  maximum: true,
+  minimum: true,
+  exclusiveMaximum: true,
+  exclusiveMinimum: true,
+  multipleOf: true,
+  maxLength: true,
+  minLength: true,
+  pattern: true,
+  format: true,
+  maxItems: true,
+  minItems: true,
+  uniqueItems: true,
+  maxProperties: true,
+  minProperties: true
+};
+
+function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+  if (schema && typeof schema == 'object' && !Array.isArray(schema)) {
+    pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+
+    for (var key in schema) {
+      var sch = schema[key];
+
+      if (Array.isArray(sch)) {
+        if (key in traverse.arrayKeywords) {
+          for (var i = 0; i < sch.length; i++) _traverse(opts, pre, post, sch[i], jsonPtr + '/' + key + '/' + i, rootSchema, jsonPtr, key, schema, i);
+        }
+      } else if (key in traverse.propsKeywords) {
+        if (sch && typeof sch == 'object') {
+          for (var prop in sch) _traverse(opts, pre, post, sch[prop], jsonPtr + '/' + key + '/' + escapeJsonPtr(prop), rootSchema, jsonPtr, key, schema, prop);
+        }
+      } else if (key in traverse.keywords || opts.allKeys && !(key in traverse.skipKeywords)) {
+        _traverse(opts, pre, post, sch, jsonPtr + '/' + key, rootSchema, jsonPtr, key, schema);
+      }
+    }
+
+    post(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+  }
+}
+
+function escapeJsonPtr(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+/***/ }),
+/* 737 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var resolve = __webpack_require__(730);
+
+module.exports = {
+  Validation: errorSubclass(ValidationError),
+  MissingRef: errorSubclass(MissingRefError)
+};
+
+function ValidationError(errors) {
+  this.message = 'validation failed';
+  this.errors = errors;
+  this.ajv = this.validation = true;
+}
+
+MissingRefError.message = function (baseId, ref) {
+  return 'can\'t resolve reference ' + ref + ' from id ' + baseId;
+};
+
+function MissingRefError(baseId, ref, message) {
+  this.message = message || MissingRefError.message(baseId, ref);
+  this.missingRef = resolve.url(baseId, ref);
+  this.missingSchema = resolve.normalizeId(resolve.fullPath(this.missingRef));
+}
+
+function errorSubclass(Subclass) {
+  Subclass.prototype = Object.create(Error.prototype);
+  Subclass.prototype.constructor = Subclass;
+  return Subclass;
+}
+
+/***/ }),
+/* 738 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function (data, opts) {
+  if (!opts) opts = {};
+  if (typeof opts === 'function') opts = {
+    cmp: opts
+  };
+  var cycles = typeof opts.cycles === 'boolean' ? opts.cycles : false;
+
+  var cmp = opts.cmp && function (f) {
+    return function (node) {
+      return function (a, b) {
+        var aobj = {
+          key: a,
+          value: node[a]
+        };
+        var bobj = {
+          key: b,
+          value: node[b]
+        };
+        return f(aobj, bobj);
+      };
+    };
+  }(opts.cmp);
+
+  var seen = [];
+  return function stringify(node) {
+    if (node && node.toJSON && typeof node.toJSON === 'function') {
+      node = node.toJSON();
+    }
+
+    if (node === undefined) return;
+    if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
+    if (typeof node !== 'object') return JSON.stringify(node);
+    var i, out;
+
+    if (Array.isArray(node)) {
+      out = '[';
+
+      for (i = 0; i < node.length; i++) {
+        if (i) out += ',';
+        out += stringify(node[i]) || 'null';
+      }
+
+      return out + ']';
+    }
+
+    if (node === null) return 'null';
+
+    if (seen.indexOf(node) !== -1) {
+      if (cycles) return JSON.stringify('__cycle__');
+      throw new TypeError('Converting circular structure to JSON');
+    }
+
+    var seenIndex = seen.push(node) - 1;
+    var keys = Object.keys(node).sort(cmp && cmp(node));
+    out = '';
+
+    for (i = 0; i < keys.length; i++) {
+      var key = keys[i];
+      var value = stringify(node[key]);
+      if (!value) continue;
+      if (out) out += ',';
+      out += JSON.stringify(key) + ':' + value;
+    }
+
+    seen.splice(seenIndex, 1);
+    return '{' + out + '}';
+  }(data);
+};
+
+/***/ }),
+/* 739 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_validate(it, $keyword, $ruleType) {
+  var out = '';
+
+  var $async = it.schema.$async === true,
+      $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
+      $id = it.self._getId(it.schema);
+
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);else throw new Error($keywordsMsg);
+    }
+  }
+
+  if (it.isTop) {
+    out += ' var validate = ';
+
+    if ($async) {
+      it.async = true;
+      out += 'async ';
+    }
+
+    out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
+
+    if ($id && (it.opts.sourceCode || it.opts.processCode)) {
+      out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
+    }
+  }
+
+  if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
+    var $keyword = 'false schema';
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+
+    if (it.schema === false) {
+      if (it.isTop) {
+        $breakOnError = true;
+      } else {
+        out += ' var ' + $valid + ' = false; ';
+      }
+
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = '';
+      /* istanbul ignore else */
+
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+        if (it.opts.messages !== false) {
+          out += ' , message: \'boolean schema is false\' ';
+        }
+
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+        }
+
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+
+      var __err = out;
+      out = $$outStack.pop();
+
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + __err + ']); ';
+        } else {
+          out += ' validate.errors = [' + __err + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+    } else {
+      if (it.isTop) {
+        if ($async) {
+          out += ' return data; ';
+        } else {
+          out += ' validate.errors = null; return true; ';
+        }
+      } else {
+        out += ' var ' + $valid + ' = true; ';
+      }
+    }
+
+    if (it.isTop) {
+      out += ' }; return validate; ';
+    }
+
+    return out;
+  }
+
+  if (it.isTop) {
+    var $top = it.isTop,
+        $lvl = it.level = 0,
+        $dataLvl = it.dataLevel = 0,
+        $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+    it.dataPathArr = [undefined];
+
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);else throw new Error($defaultMsg);
+    }
+
+    out += ' var vErrors = null; ';
+    out += ' var errors = 0;     ';
+    out += ' if (rootData === undefined) rootData = data; ';
+  } else {
+    var $lvl = it.level,
+        $dataLvl = it.dataLevel,
+        $data = 'data' + ($dataLvl || '');
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+    out += ' var errs_' + $lvl + ' = errors;';
+  }
+
+  var $valid = 'valid' + $lvl,
+      $breakOnError = !it.opts.allErrors,
+      $closingBraces1 = '',
+      $closingBraces2 = '';
+  var $errorKeyword;
+  var $typeSchema = it.schema.type,
+      $typeIsArray = Array.isArray($typeSchema);
+
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+
+  if (it.schema.$ref && $refKeywords) {
+    if (it.opts.extendRefs == 'fail') {
+      throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
+    } else if (it.opts.extendRefs !== true) {
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }
+  }
+
+  if (it.schema.$comment && it.opts.$comment) {
+    out += ' ' + it.RULES.all.$comment.code(it, '$comment');
+  }
+
+  if ($typeSchema) {
+    if (it.opts.coerceTypes) {
+      var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
+    }
+
+    var $rulesGroup = it.RULES.types[$typeSchema];
+
+    if ($coerceToTypes || $typeIsArray || $rulesGroup === true || $rulesGroup && !$shouldUseGroup($rulesGroup)) {
+      var $schemaPath = it.schemaPath + '.type',
+          $errSchemaPath = it.errSchemaPath + '/type';
+      var $schemaPath = it.schemaPath + '.type',
+          $errSchemaPath = it.errSchemaPath + '/type',
+          $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+      out += ' if (' + it.util[$method]($typeSchema, $data, true) + ') { ';
+
+      if ($coerceToTypes) {
+        var $dataType = 'dataType' + $lvl,
+            $coerced = 'coerced' + $lvl;
+        out += ' var ' + $dataType + ' = typeof ' + $data + '; ';
+
+        if (it.opts.coerceTypes == 'array') {
+          out += ' if (' + $dataType + ' == \'object\' && Array.isArray(' + $data + ')) ' + $dataType + ' = \'array\'; ';
+        }
+
+        out += ' var ' + $coerced + ' = undefined; ';
+        var $bracesCoercion = '';
+        var arr1 = $coerceToTypes;
+
+        if (arr1) {
+          var $type,
+              $i = -1,
+              l1 = arr1.length - 1;
+
+          while ($i < l1) {
+            $type = arr1[$i += 1];
+
+            if ($i) {
+              out += ' if (' + $coerced + ' === undefined) { ';
+              $bracesCoercion += '}';
+            }
+
+            if (it.opts.coerceTypes == 'array' && $type != 'array') {
+              out += ' if (' + $dataType + ' == \'array\' && ' + $data + '.length == 1) { ' + $coerced + ' = ' + $data + ' = ' + $data + '[0]; ' + $dataType + ' = typeof ' + $data + ';  } ';
+            }
+
+            if ($type == 'string') {
+              out += ' if (' + $dataType + ' == \'number\' || ' + $dataType + ' == \'boolean\') ' + $coerced + ' = \'\' + ' + $data + '; else if (' + $data + ' === null) ' + $coerced + ' = \'\'; ';
+            } else if ($type == 'number' || $type == 'integer') {
+              out += ' if (' + $dataType + ' == \'boolean\' || ' + $data + ' === null || (' + $dataType + ' == \'string\' && ' + $data + ' && ' + $data + ' == +' + $data + ' ';
+
+              if ($type == 'integer') {
+                out += ' && !(' + $data + ' % 1)';
+              }
+
+              out += ')) ' + $coerced + ' = +' + $data + '; ';
+            } else if ($type == 'boolean') {
+              out += ' if (' + $data + ' === \'false\' || ' + $data + ' === 0 || ' + $data + ' === null) ' + $coerced + ' = false; else if (' + $data + ' === \'true\' || ' + $data + ' === 1) ' + $coerced + ' = true; ';
+            } else if ($type == 'null') {
+              out += ' if (' + $data + ' === \'\' || ' + $data + ' === 0 || ' + $data + ' === false) ' + $coerced + ' = null; ';
+            } else if (it.opts.coerceTypes == 'array' && $type == 'array') {
+              out += ' if (' + $dataType + ' == \'string\' || ' + $dataType + ' == \'number\' || ' + $dataType + ' == \'boolean\' || ' + $data + ' == null) ' + $coerced + ' = [' + $data + ']; ';
+            }
+          }
+        }
+
+        out += ' ' + $bracesCoercion + ' if (' + $coerced + ' === undefined) {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { type: \'';
+
+          if ($typeIsArray) {
+            out += '' + $typeSchema.join(",");
+          } else {
+            out += '' + $typeSchema;
+          }
+
+          out += '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+
+            if ($typeIsArray) {
+              out += '' + $typeSchema.join(",");
+            } else {
+              out += '' + $typeSchema;
+            }
+
+            out += '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+
+        out += ' } else {  ';
+        var $parentData = $dataLvl ? 'data' + ($dataLvl - 1 || '') : 'parentData',
+            $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+        out += ' ' + $data + ' = ' + $coerced + '; ';
+
+        if (!$dataLvl) {
+          out += 'if (' + $parentData + ' !== undefined)';
+        }
+
+        out += ' ' + $parentData + '[' + $parentDataProperty + '] = ' + $coerced + '; } ';
+      } else {
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { type: \'';
+
+          if ($typeIsArray) {
+            out += '' + $typeSchema.join(",");
+          } else {
+            out += '' + $typeSchema;
+          }
+
+          out += '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+
+            if ($typeIsArray) {
+              out += '' + $typeSchema.join(",");
+            } else {
+              out += '' + $typeSchema;
+            }
+
+            out += '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      }
+
+      out += ' } ';
+    }
+  }
+
+  if (it.schema.$ref && !$refKeywords) {
+    out += ' ' + it.RULES.all.$ref.code(it, '$ref') + ' ';
+
+    if ($breakOnError) {
+      out += ' } if (errors === ';
+
+      if ($top) {
+        out += '0';
+      } else {
+        out += 'errs_' + $lvl;
+      }
+
+      out += ') { ';
+      $closingBraces2 += '}';
+    }
+  } else {
+    var arr2 = it.RULES;
+
+    if (arr2) {
+      var $rulesGroup,
+          i2 = -1,
+          l2 = arr2.length - 1;
+
+      while (i2 < l2) {
+        $rulesGroup = arr2[i2 += 1];
+
+        if ($shouldUseGroup($rulesGroup)) {
+          if ($rulesGroup.type) {
+            out += ' if (' + it.util.checkDataType($rulesGroup.type, $data) + ') { ';
+          }
+
+          if (it.opts.useDefaults) {
+            if ($rulesGroup.type == 'object' && it.schema.properties) {
+              var $schema = it.schema.properties,
+                  $schemaKeys = Object.keys($schema);
+              var arr3 = $schemaKeys;
+
+              if (arr3) {
+                var $propertyKey,
+                    i3 = -1,
+                    l3 = arr3.length - 1;
+
+                while (i3 < l3) {
+                  $propertyKey = arr3[i3 += 1];
+                  var $sch = $schema[$propertyKey];
+
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + it.util.getProperty($propertyKey);
+
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + $passData + ' === undefined ';
+
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + $passData + ' === null || ' + $passData + ' === \'\' ';
+                      }
+
+                      out += ' ) ' + $passData + ' = ';
+
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + it.useDefault($sch.default) + ' ';
+                      } else {
+                        out += ' ' + JSON.stringify($sch.default) + ' ';
+                      }
+
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
+              var arr4 = it.schema.items;
+
+              if (arr4) {
+                var $sch,
+                    $i = -1,
+                    l4 = arr4.length - 1;
+
+                while ($i < l4) {
+                  $sch = arr4[$i += 1];
+
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + '[' + $i + ']';
+
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + $passData + ' === undefined ';
+
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + $passData + ' === null || ' + $passData + ' === \'\' ';
+                      }
+
+                      out += ' ) ' + $passData + ' = ';
+
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + it.useDefault($sch.default) + ' ';
+                      } else {
+                        out += ' ' + JSON.stringify($sch.default) + ' ';
+                      }
+
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            }
+          }
+
+          var arr5 = $rulesGroup.rules;
+
+          if (arr5) {
+            var $rule,
+                i5 = -1,
+                l5 = arr5.length - 1;
+
+            while (i5 < l5) {
+              $rule = arr5[i5 += 1];
+
+              if ($shouldUseRule($rule)) {
+                var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
+
+                if ($code) {
+                  out += ' ' + $code + ' ';
+
+                  if ($breakOnError) {
+                    $closingBraces1 += '}';
+                  }
+                }
+              }
+            }
+          }
+
+          if ($breakOnError) {
+            out += ' ' + $closingBraces1 + ' ';
+            $closingBraces1 = '';
+          }
+
+          if ($rulesGroup.type) {
+            out += ' } ';
+
+            if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
+              out += ' else { ';
+              var $schemaPath = it.schemaPath + '.type',
+                  $errSchemaPath = it.errSchemaPath + '/type';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = '';
+              /* istanbul ignore else */
+
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { type: \'';
+
+                if ($typeIsArray) {
+                  out += '' + $typeSchema.join(",");
+                } else {
+                  out += '' + $typeSchema;
+                }
+
+                out += '\' } ';
+
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'should be ';
+
+                  if ($typeIsArray) {
+                    out += '' + $typeSchema.join(",");
+                  } else {
+                    out += '' + $typeSchema;
+                  }
+
+                  out += '\' ';
+                }
+
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+                }
+
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+
+              var __err = out;
+              out = $$outStack.pop();
+
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + __err + ']); ';
+                } else {
+                  out += ' validate.errors = [' + __err + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+
+              out += ' } ';
+            }
+          }
+
+          if ($breakOnError) {
+            out += ' if (errors === ';
+
+            if ($top) {
+              out += '0';
+            } else {
+              out += 'errs_' + $lvl;
+            }
+
+            out += ') { ';
+            $closingBraces2 += '}';
+          }
+        }
+      }
+    }
+  }
+
+  if ($breakOnError) {
+    out += ' ' + $closingBraces2 + ' ';
+  }
+
+  if ($top) {
+    if ($async) {
+      out += ' if (errors === 0) return data;           ';
+      out += ' else throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; ';
+      out += ' return errors === 0;       ';
+    }
+
+    out += ' }; return validate;';
+  } else {
+    out += ' var ' + $valid + ' = errors === errs_' + $lvl + ';';
+  }
+
+  out = it.util.cleanUpCode(out);
+
+  if ($top) {
+    out = it.util.finalCleanUpCode(out, $async);
+  }
+
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+
+    for (var i = 0; i < rules.length; i++) if ($shouldUseRule(rules[i])) return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined || $rule.implements && $ruleImplementsSomeKeyword($rule);
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+
+    for (var i = 0; i < impl.length; i++) if (it.schema[impl[i]] !== undefined) return true;
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 740 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Cache = module.exports = function Cache() {
+  this._cache = {};
+};
+
+Cache.prototype.put = function Cache_put(key, value) {
+  this._cache[key] = value;
+};
+
+Cache.prototype.get = function Cache_get(key) {
+  return this._cache[key];
+};
+
+Cache.prototype.del = function Cache_del(key) {
+  delete this._cache[key];
+};
+
+Cache.prototype.clear = function Cache_clear() {
+  this._cache = {};
+};
+
+/***/ }),
+/* 741 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var util = __webpack_require__(733);
+
+var DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/;
+var DAYS = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i;
+var HOSTNAME = /^(?=.{1,253}\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\.?$/i;
+var URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+var URIREF = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i; // uri-template: https://tools.ietf.org/html/rfc6570
+
+var URITEMPLATE = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i; // For the source: https://gist.github.com/dperini/729294
+// For test cases: https://mathiasbynens.be/demo/url-regex
+// @todo Delete current URL in favour of the commented out URL rule when this issue is fixed https://github.com/eslint/eslint/issues/7983.
+// var URL = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u{00a1}-\u{ffff}0-9]+-?)*[a-z\u{00a1}-\u{ffff}0-9]+)(?:\.(?:[a-z\u{00a1}-\u{ffff}0-9]+-?)*[a-z\u{00a1}-\u{ffff}0-9]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu;
+
+var URL = /^(?:(?:http[s\u017F]?|ftp):\/\/)(?:(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+(?::(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?@)?(?:(?!10(?:\.[0-9]{1,3}){3})(?!127(?:\.[0-9]{1,3}){3})(?!169\.254(?:\.[0-9]{1,3}){2})(?!192\.168(?:\.[0-9]{1,3}){2})(?!172\.(?:1[6-9]|2[0-9]|3[01])(?:\.[0-9]{1,3}){2})(?:[1-9][0-9]?|1[0-9][0-9]|2[01][0-9]|22[0-3])(?:\.(?:1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}(?:\.(?:[1-9][0-9]?|1[0-9][0-9]|2[0-4][0-9]|25[0-4]))|(?:(?:(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-?)*(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)(?:\.(?:(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-?)*(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)*(?:\.(?:(?:[KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]){2,})))(?::[0-9]{2,5})?(?:\/(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?$/i;
+var UUID = /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
+var JSON_POINTER = /^(?:\/(?:[^~/]|~0|~1)*)*$/;
+var JSON_POINTER_URI_FRAGMENT = /^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
+var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
+module.exports = formats;
+
+function formats(mode) {
+  mode = mode == 'full' ? 'full' : 'fast';
+  return util.copy(formats[mode]);
+}
+
+formats.fast = {
+  // date: http://tools.ietf.org/html/rfc3339#section-5.6
+  date: /^\d\d\d\d-[0-1]\d-[0-3]\d$/,
+  // date-time: http://tools.ietf.org/html/rfc3339#section-5.6
+  time: /^(?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)?$/i,
+  'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)$/i,
+  // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
+  uri: /^(?:[a-z][a-z0-9+-.]*:)(?:\/?\/)?[^\s]*$/i,
+  'uri-reference': /^(?:(?:[a-z][a-z0-9+-.]*:)?\/?\/)?(?:[^\\\s#][^\s#]*)?(?:#[^\\\s]*)?$/i,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  // email (sources from jsen validator):
+  // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
+  // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
+  email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
+  hostname: HOSTNAME,
+  // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  // optimized http://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  // uuid: http://tools.ietf.org/html/rfc4122
+  uuid: UUID,
+  // JSON-pointer: https://tools.ietf.org/html/rfc6901
+  // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+formats.full = {
+  date: date,
+  time: time,
+  'date-time': date_time,
+  uri: uri,
+  'uri-reference': URIREF,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
+  hostname: HOSTNAME,
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  uuid: UUID,
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+function isLeapYear(year) {
+  // https://tools.ietf.org/html/rfc3339#appendix-C
+  return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+}
+
+function date(str) {
+  // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
+  var matches = str.match(DATE);
+  if (!matches) return false;
+  var year = +matches[1];
+  var month = +matches[2];
+  var day = +matches[3];
+  return month >= 1 && month <= 12 && day >= 1 && day <= (month == 2 && isLeapYear(year) ? 29 : DAYS[month]);
+}
+
+function time(str, full) {
+  var matches = str.match(TIME);
+  if (!matches) return false;
+  var hour = matches[1];
+  var minute = matches[2];
+  var second = matches[3];
+  var timeZone = matches[5];
+  return (hour <= 23 && minute <= 59 && second <= 59 || hour == 23 && minute == 59 && second == 60) && (!full || timeZone);
+}
+
+var DATE_TIME_SEPARATOR = /t|\s/i;
+
+function date_time(str) {
+  // http://tools.ietf.org/html/rfc3339#section-5.6
+  var dateTime = str.split(DATE_TIME_SEPARATOR);
+  return dateTime.length == 2 && date(dateTime[0]) && time(dateTime[1], true);
+}
+
+var NOT_URI_FRAGMENT = /\/|:/;
+
+function uri(str) {
+  // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
+  return NOT_URI_FRAGMENT.test(str) && URI.test(str);
+}
+
+var Z_ANCHOR = /[^\\]\\Z/;
+
+function regex(str) {
+  if (Z_ANCHOR.test(str)) return false;
+
+  try {
+    new RegExp(str);
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+/***/ }),
+/* 742 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ruleModules = __webpack_require__(743),
+    toHash = __webpack_require__(733).toHash;
+
+module.exports = function rules() {
+  var RULES = [{
+    type: 'number',
+    rules: [{
+      'maximum': ['exclusiveMaximum']
+    }, {
+      'minimum': ['exclusiveMinimum']
+    }, 'multipleOf', 'format']
+  }, {
+    type: 'string',
+    rules: ['maxLength', 'minLength', 'pattern', 'format']
+  }, {
+    type: 'array',
+    rules: ['maxItems', 'minItems', 'items', 'contains', 'uniqueItems']
+  }, {
+    type: 'object',
+    rules: ['maxProperties', 'minProperties', 'required', 'dependencies', 'propertyNames', {
+      'properties': ['additionalProperties', 'patternProperties']
+    }]
+  }, {
+    rules: ['$ref', 'const', 'enum', 'not', 'anyOf', 'oneOf', 'allOf', 'if']
+  }];
+  var ALL = ['type', '$comment'];
+  var KEYWORDS = ['$schema', '$id', 'id', '$data', '$async', 'title', 'description', 'default', 'definitions', 'examples', 'readOnly', 'writeOnly', 'contentMediaType', 'contentEncoding', 'additionalItems', 'then', 'else'];
+  var TYPES = ['number', 'integer', 'string', 'array', 'object', 'boolean', 'null'];
+  RULES.all = toHash(ALL);
+  RULES.types = toHash(TYPES);
+  RULES.forEach(function (group) {
+    group.rules = group.rules.map(function (keyword) {
+      var implKeywords;
+
+      if (typeof keyword == 'object') {
+        var key = Object.keys(keyword)[0];
+        implKeywords = keyword[key];
+        keyword = key;
+        implKeywords.forEach(function (k) {
+          ALL.push(k);
+          RULES.all[k] = true;
+        });
+      }
+
+      ALL.push(keyword);
+      var rule = RULES.all[keyword] = {
+        keyword: keyword,
+        code: ruleModules[keyword],
+        implements: implKeywords
+      };
+      return rule;
+    });
+    RULES.all.$comment = {
+      keyword: '$comment',
+      code: ruleModules.$comment
+    };
+    if (group.type) RULES.types[group.type] = group;
+  });
+  RULES.keywords = toHash(ALL.concat(KEYWORDS));
+  RULES.custom = {};
+  return RULES;
+};
+
+/***/ }),
+/* 743 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+ //all requires must be explicit because browserify won't work with dynamic requires
+
+module.exports = {
+  '$ref': __webpack_require__(744),
+  allOf: __webpack_require__(745),
+  anyOf: __webpack_require__(746),
+  '$comment': __webpack_require__(747),
+  const: __webpack_require__(748),
+  contains: __webpack_require__(749),
+  dependencies: __webpack_require__(750),
+  'enum': __webpack_require__(751),
+  format: __webpack_require__(752),
+  'if': __webpack_require__(753),
+  items: __webpack_require__(754),
+  maximum: __webpack_require__(755),
+  minimum: __webpack_require__(755),
+  maxItems: __webpack_require__(756),
+  minItems: __webpack_require__(756),
+  maxLength: __webpack_require__(757),
+  minLength: __webpack_require__(757),
+  maxProperties: __webpack_require__(758),
+  minProperties: __webpack_require__(758),
+  multipleOf: __webpack_require__(759),
+  not: __webpack_require__(760),
+  oneOf: __webpack_require__(761),
+  pattern: __webpack_require__(762),
+  properties: __webpack_require__(763),
+  propertyNames: __webpack_require__(764),
+  required: __webpack_require__(765),
+  uniqueItems: __webpack_require__(766),
+  validate: __webpack_require__(739)
+};
+
+/***/ }),
+/* 744 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_ref(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $async, $refCode;
+
+  if ($schema == '#' || $schema == '#/') {
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  } else {
+    var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot);
+
+    if ($refVal === undefined) {
+      var $message = it.MissingRefError.message(it.baseId, $schema);
+
+      if (it.opts.missingRefs == 'fail') {
+        it.logger.error($message);
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + '$ref' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { ref: \'' + it.util.escapeQuotes($schema) + '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'can\\\'t resolve reference ' + it.util.escapeQuotes($schema) + '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: ' + it.util.toQuotedString($schema) + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+
+        if ($breakOnError) {
+          out += ' if (false) { ';
+        }
+      } else if (it.opts.missingRefs == 'ignore') {
+        it.logger.warn($message);
+
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+      } else {
+        throw new it.MissingRefError(it.baseId, $schema, $message);
+      }
+    } else if ($refVal.inline) {
+      var $it = it.util.copy(it);
+      $it.level++;
+      var $nextValid = 'valid' + $it.level;
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+      var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code);
+      out += ' ' + $code + ' ';
+
+      if ($breakOnError) {
+        out += ' if (' + $nextValid + ') { ';
+      }
+    } else {
+      $async = $refVal.$async === true || it.async && $refVal.$async !== false;
+      $refCode = $refVal.code;
+    }
+  }
+
+  if ($refCode) {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+
+    if (it.opts.passContext) {
+      out += ' ' + $refCode + '.call(this, ';
+    } else {
+      out += ' ' + $refCode + '( ';
+    }
+
+    out += ' ' + $data + ', (dataPath || \'\')';
+
+    if (it.errorPath != '""') {
+      out += ' + ' + it.errorPath;
+    }
+
+    var $parentData = $dataLvl ? 'data' + ($dataLvl - 1 || '') : 'parentData',
+        $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + $parentData + ' , ' + $parentDataProperty + ', rootData)  ';
+    var __callValidate = out;
+    out = $$outStack.pop();
+
+    if ($async) {
+      if (!it.async) throw new Error('async schema referenced by sync schema');
+
+      if ($breakOnError) {
+        out += ' var ' + $valid + '; ';
+      }
+
+      out += ' try { await ' + __callValidate + '; ';
+
+      if ($breakOnError) {
+        out += ' ' + $valid + ' = true; ';
+      }
+
+      out += ' } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; ';
+
+      if ($breakOnError) {
+        out += ' ' + $valid + ' = false; ';
+      }
+
+      out += ' } ';
+
+      if ($breakOnError) {
+        out += ' if (' + $valid + ') { ';
+      }
+    } else {
+      out += ' if (!' + __callValidate + ') { if (vErrors === null) vErrors = ' + $refCode + '.errors; else vErrors = vErrors.concat(' + $refCode + '.errors); errors = vErrors.length; } ';
+
+      if ($breakOnError) {
+        out += ' else { ';
+      }
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 745 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_allOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+      $allSchemasEmpty = true;
+  var arr1 = $schema;
+
+  if (arr1) {
+    var $sch,
+        $i = -1,
+        l1 = arr1.length - 1;
+
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+
+      if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+        $allSchemasEmpty = false;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + it.validate($it) + ' ';
+        $it.baseId = $currentBaseId;
+
+        if ($breakOnError) {
+          out += ' if (' + $nextValid + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+
+  if ($breakOnError) {
+    if ($allSchemasEmpty) {
+      out += ' if (true) { ';
+    } else {
+      out += ' ' + $closingBraces.slice(0, -1) + ' ';
+    }
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 746 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_anyOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $noEmptySchema = $schema.every(function ($sch) {
+    return it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all);
+  });
+
+  if ($noEmptySchema) {
+    var $currentBaseId = $it.baseId;
+    out += ' var ' + $errs + ' = errors; var ' + $valid + ' = false;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var arr1 = $schema;
+
+    if (arr1) {
+      var $sch,
+          $i = -1,
+          l1 = arr1.length - 1;
+
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + it.validate($it) + ' ';
+        $it.baseId = $currentBaseId;
+        out += ' ' + $valid + ' = ' + $valid + ' || ' + $nextValid + '; if (!' + $valid + ') { ';
+        $closingBraces += '}';
+      }
+    }
+
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + $closingBraces + ' if (!' + $valid + ') {   var err =   ';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'anyOf' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match some schema in anyOf\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+
+    out += ' } else {  errors = ' + $errs + '; if (vErrors !== null) { if (' + $errs + ') vErrors.length = ' + $errs + '; else vErrors = null; } ';
+
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+
+    out = it.util.cleanUpCode(out);
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 747 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_comment(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $comment = it.util.toQuotedString($schema);
+
+  if (it.opts.$comment === true) {
+    out += ' console.log(' + $comment + ');';
+  } else if (typeof it.opts.$comment == 'function') {
+    out += ' self._opts.$comment(' + $comment + ', ' + it.util.toQuotedString($errSchemaPath) + ', validate.root.schema);';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 748 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_const(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  if (!$isData) {
+    out += ' var schema' + $lvl + ' = validate.schema' + $schemaPath + ';';
+  }
+
+  out += 'var ' + $valid + ' = equal(' + $data + ', schema' + $lvl + '); if (!' + $valid + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'const' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { allowedValue: schema' + $lvl + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to constant\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += ' }';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 749 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_contains(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $currentBaseId = it.baseId,
+      $nonEmptySchema = it.opts.strictKeywords ? typeof $schema == 'object' && Object.keys($schema).length > 0 : it.util.schemaHasRules($schema, it.RULES.all);
+  out += 'var ' + $errs + ' = errors;var ' + $valid + ';';
+
+  if ($nonEmptySchema) {
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + $nextValid + ' = false; for (var ' + $idx + ' = 0; ' + $idx + ' < ' + $data + '.length; ' + $idx + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+    } else {
+      out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+    }
+
+    out += ' if (' + $nextValid + ') break; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + $closingBraces + ' if (!' + $nextValid + ') {';
+  } else {
+    out += ' if (' + $data + '.length == 0) {';
+  }
+
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'contains' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should contain a valid item\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += ' } else { ';
+
+  if ($nonEmptySchema) {
+    out += '  errors = ' + $errs + '; if (vErrors !== null) { if (' + $errs + ') vErrors.length = ' + $errs + '; else vErrors = null; } ';
+  }
+
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 750 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_dependencies(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $schemaDeps = {},
+      $propertyDeps = {},
+      $ownProperties = it.opts.ownProperties;
+
+  for ($property in $schema) {
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+
+  out += 'var ' + $errs + ' = errors;';
+  var $currentErrorPath = it.errorPath;
+  out += 'var missing' + $lvl + ';';
+
+  for (var $property in $propertyDeps) {
+    $deps = $propertyDeps[$property];
+
+    if ($deps.length) {
+      out += ' if ( ' + $data + it.util.getProperty($property) + ' !== undefined ';
+
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($property) + '\') ';
+      }
+
+      if ($breakOnError) {
+        out += ' && ( ';
+        var arr1 = $deps;
+
+        if (arr1) {
+          var $propertyKey,
+              $i = -1,
+              l1 = arr1.length - 1;
+
+          while ($i < l1) {
+            $propertyKey = arr1[$i += 1];
+
+            if ($i) {
+              out += ' || ';
+            }
+
+            var $prop = it.util.getProperty($propertyKey),
+                $useData = $data + $prop;
+            out += ' ( ( ' + $useData + ' === undefined ';
+
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+            }
+
+            out += ') && (missing' + $lvl + ' = ' + it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop) + ') ) ';
+          }
+        }
+
+        out += ')) {  ';
+        var $propertyPath = 'missing' + $lvl,
+            $missingProperty = '\' + ' + $propertyPath + ' + \'';
+
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + 'dependencies' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { property: \'' + it.util.escapeQuotes($property) + '\', missingProperty: \'' + $missingProperty + '\', depsCount: ' + $deps.length + ', deps: \'' + it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", ")) + '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should have ';
+
+            if ($deps.length == 1) {
+              out += 'property ' + it.util.escapeQuotes($deps[0]);
+            } else {
+              out += 'properties ' + it.util.escapeQuotes($deps.join(", "));
+            }
+
+            out += ' when property ' + it.util.escapeQuotes($property) + ' is present\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      } else {
+        out += ' ) { ';
+        var arr2 = $deps;
+
+        if (arr2) {
+          var $propertyKey,
+              i2 = -1,
+              l2 = arr2.length - 1;
+
+          while (i2 < l2) {
+            $propertyKey = arr2[i2 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+                $missingProperty = it.util.escapeQuotes($propertyKey),
+                $useData = $data + $prop;
+
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+
+            out += ' if ( ' + $useData + ' === undefined ';
+
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+            }
+
+            out += ') {  var err =   ';
+            /* istanbul ignore else */
+
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + 'dependencies' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { property: \'' + it.util.escapeQuotes($property) + '\', missingProperty: \'' + $missingProperty + '\', depsCount: ' + $deps.length + ', deps: \'' + it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", ")) + '\' } ';
+
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should have ';
+
+                if ($deps.length == 1) {
+                  out += 'property ' + it.util.escapeQuotes($deps[0]);
+                } else {
+                  out += 'properties ' + it.util.escapeQuotes($deps.join(", "));
+                }
+
+                out += ' when property ' + it.util.escapeQuotes($property) + ' is present\' ';
+              }
+
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+              }
+
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+
+      out += ' }   ';
+
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+  }
+
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+
+  for (var $property in $schemaDeps) {
+    var $sch = $schemaDeps[$property];
+
+    if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+      out += ' ' + $nextValid + ' = true; if ( ' + $data + it.util.getProperty($property) + ' !== undefined ';
+
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($property) + '\') ';
+      }
+
+      out += ') { ';
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + it.util.getProperty($property);
+      $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      out += '  ' + it.validate($it) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' }  ';
+
+      if ($breakOnError) {
+        out += ' if (' + $nextValid + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  }
+
+  if ($breakOnError) {
+    out += '   ' + $closingBraces + ' if (' + $errs + ' == errors) {';
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 751 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_enum(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $i = 'i' + $lvl,
+      $vSchema = 'schema' + $lvl;
+
+  if (!$isData) {
+    out += ' var ' + $vSchema + ' = validate.schema' + $schemaPath + ';';
+  }
+
+  out += 'var ' + $valid + ';';
+
+  if ($isData) {
+    out += ' if (schema' + $lvl + ' === undefined) ' + $valid + ' = true; else if (!Array.isArray(schema' + $lvl + ')) ' + $valid + ' = false; else {';
+  }
+
+  out += '' + $valid + ' = false;for (var ' + $i + '=0; ' + $i + '<' + $vSchema + '.length; ' + $i + '++) if (equal(' + $data + ', ' + $vSchema + '[' + $i + '])) { ' + $valid + ' = true; break; }';
+
+  if ($isData) {
+    out += '  }  ';
+  }
+
+  out += ' if (!' + $valid + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'enum' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { allowedValues: schema' + $lvl + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to one of the allowed values\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += ' }';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 752 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_format(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+
+  if (it.opts.format === false) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+
+    return out;
+  }
+
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $unknownFormats = it.opts.unknownFormats,
+      $allowUnknown = Array.isArray($unknownFormats);
+
+  if ($isData) {
+    var $format = 'format' + $lvl,
+        $isObject = 'isObject' + $lvl,
+        $formatType = 'formatType' + $lvl;
+    out += ' var ' + $format + ' = formats[' + $schemaValue + ']; var ' + $isObject + ' = typeof ' + $format + ' == \'object\' && !(' + $format + ' instanceof RegExp) && ' + $format + '.validate; var ' + $formatType + ' = ' + $isObject + ' && ' + $format + '.type || \'string\'; if (' + $isObject + ') { ';
+
+    if (it.async) {
+      out += ' var async' + $lvl + ' = ' + $format + '.async; ';
+    }
+
+    out += ' ' + $format + ' = ' + $format + '.validate; } if (  ';
+
+    if ($isData) {
+      out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'string\') || ';
+    }
+
+    out += ' (';
+
+    if ($unknownFormats != 'ignore') {
+      out += ' (' + $schemaValue + ' && !' + $format + ' ';
+
+      if ($allowUnknown) {
+        out += ' && self._opts.unknownFormats.indexOf(' + $schemaValue + ') == -1 ';
+      }
+
+      out += ') || ';
+    }
+
+    out += ' (' + $format + ' && ' + $formatType + ' == \'' + $ruleType + '\' && !(typeof ' + $format + ' == \'function\' ? ';
+
+    if (it.async) {
+      out += ' (async' + $lvl + ' ? await ' + $format + '(' + $data + ') : ' + $format + '(' + $data + ')) ';
+    } else {
+      out += ' ' + $format + '(' + $data + ') ';
+    }
+
+    out += ' : ' + $format + '.test(' + $data + '))))) {';
+  } else {
+    var $format = it.formats[$schema];
+
+    if (!$format) {
+      if ($unknownFormats == 'ignore') {
+        it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"');
+
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+
+        return out;
+      } else if ($allowUnknown && $unknownFormats.indexOf($schema) >= 0) {
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+
+        return out;
+      } else {
+        throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"');
+      }
+    }
+
+    var $isObject = typeof $format == 'object' && !($format instanceof RegExp) && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+
+    if ($formatType != $ruleType) {
+      if ($breakOnError) {
+        out += ' if (true) { ';
+      }
+
+      return out;
+    }
+
+    if ($async) {
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+      out += ' if (!(await ' + $formatRef + '(' + $data + '))) { ';
+    } else {
+      out += ' if (! ';
+      var $formatRef = 'formats' + it.util.getProperty($schema);
+      if ($isObject) $formatRef += '.validate';
+
+      if (typeof $format == 'function') {
+        out += ' ' + $formatRef + '(' + $data + ') ';
+      } else {
+        out += ' ' + $formatRef + '.test(' + $data + ') ';
+      }
+
+      out += ') { ';
+    }
+  }
+
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'format' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { format:  ';
+
+    if ($isData) {
+      out += '' + $schemaValue;
+    } else {
+      out += '' + it.util.toQuotedString($schema);
+    }
+
+    out += '  } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match format "';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue + ' + \'';
+      } else {
+        out += '' + it.util.escapeQuotes($schema);
+      }
+
+      out += '"\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + it.util.toQuotedString($schema);
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += ' } ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 753 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_if(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $thenSch = it.schema['then'],
+      $elseSch = it.schema['else'],
+      $thenPresent = $thenSch !== undefined && (it.opts.strictKeywords ? typeof $thenSch == 'object' && Object.keys($thenSch).length > 0 : it.util.schemaHasRules($thenSch, it.RULES.all)),
+      $elsePresent = $elseSch !== undefined && (it.opts.strictKeywords ? typeof $elseSch == 'object' && Object.keys($elseSch).length > 0 : it.util.schemaHasRules($elseSch, it.RULES.all)),
+      $currentBaseId = $it.baseId;
+
+  if ($thenPresent || $elsePresent) {
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + $errs + ' = errors; var ' + $valid + ' = true;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    out += '  ' + it.validate($it) + ' ';
+    $it.baseId = $currentBaseId;
+    $it.createErrors = true;
+    out += '  errors = ' + $errs + '; if (vErrors !== null) { if (' + $errs + ') vErrors.length = ' + $errs + '; else vErrors = null; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+
+    if ($thenPresent) {
+      out += ' if (' + $nextValid + ') {  ';
+      $it.schema = it.schema['then'];
+      $it.schemaPath = it.schemaPath + '.then';
+      $it.errSchemaPath = it.errSchemaPath + '/then';
+      out += '  ' + it.validate($it) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + $valid + ' = ' + $nextValid + '; ';
+
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + $ifClause + ' = \'then\'; ';
+      } else {
+        $ifClause = '\'then\'';
+      }
+
+      out += ' } ';
+
+      if ($elsePresent) {
+        out += ' else { ';
+      }
+    } else {
+      out += ' if (!' + $nextValid + ') { ';
+    }
+
+    if ($elsePresent) {
+      $it.schema = it.schema['else'];
+      $it.schemaPath = it.schemaPath + '.else';
+      $it.errSchemaPath = it.errSchemaPath + '/else';
+      out += '  ' + it.validate($it) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + $valid + ' = ' + $nextValid + '; ';
+
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + $ifClause + ' = \'else\'; ';
+      } else {
+        $ifClause = '\'else\'';
+      }
+
+      out += ' } ';
+    }
+
+    out += ' if (!' + $valid + ') {   var err =   ';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'if' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { failingKeyword: ' + $ifClause + ' } ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match "\' + ' + $ifClause + ' + \'" schema\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+
+    out += ' }   ';
+
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+
+    out = it.util.cleanUpCode(out);
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 754 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_items(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $currentBaseId = it.baseId;
+  out += 'var ' + $errs + ' = errors;var ' + $valid + ';';
+
+  if (Array.isArray($schema)) {
+    var $additionalItems = it.schema.additionalItems;
+
+    if ($additionalItems === false) {
+      out += ' ' + $valid + ' = ' + $data + '.length <= ' + $schema.length + '; ';
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += '  if (!' + $valid + ') {   ';
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = '';
+      /* istanbul ignore else */
+
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + 'additionalItems' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { limit: ' + $schema.length + ' } ';
+
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should NOT have more than ' + $schema.length + ' items\' ';
+        }
+
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+        }
+
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+
+      var __err = out;
+      out = $$outStack.pop();
+
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + __err + ']); ';
+        } else {
+          out += ' validate.errors = [' + __err + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+
+      out += ' } ';
+      $errSchemaPath = $currErrSchemaPath;
+
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+
+    var arr1 = $schema;
+
+    if (arr1) {
+      var $sch,
+          $i = -1,
+          l1 = arr1.length - 1;
+
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+
+        if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+          out += ' ' + $nextValid + ' = true; if (' + $data + '.length > ' + $i + ') { ';
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+          } else {
+            out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+          }
+
+          out += ' }  ';
+
+          if ($breakOnError) {
+            out += ' if (' + $nextValid + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+
+    if (typeof $additionalItems == 'object' && (it.opts.strictKeywords ? typeof $additionalItems == 'object' && Object.keys($additionalItems).length > 0 : it.util.schemaHasRules($additionalItems, it.RULES.all))) {
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += ' ' + $nextValid + ' = true; if (' + $data + '.length > ' + $schema.length + ') {  for (var ' + $idx + ' = ' + $schema.length + '; ' + $idx + ' < ' + $data + '.length; ' + $idx + '++) { ';
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+      var $code = it.validate($it);
+      $it.baseId = $currentBaseId;
+
+      if (it.util.varOccurences($code, $nextData) < 2) {
+        out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+      } else {
+        out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+      }
+
+      if ($breakOnError) {
+        out += ' if (!' + $nextValid + ') break; ';
+      }
+
+      out += ' } }  ';
+
+      if ($breakOnError) {
+        out += ' if (' + $nextValid + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  } else if (it.opts.strictKeywords ? typeof $schema == 'object' && Object.keys($schema).length > 0 : it.util.schemaHasRules($schema, it.RULES.all)) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += '  for (var ' + $idx + ' = ' + 0 + '; ' + $idx + ' < ' + $data + '.length; ' + $idx + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+    } else {
+      out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+    }
+
+    if ($breakOnError) {
+      out += ' if (!' + $nextValid + ') break; ';
+    }
+
+    out += ' }';
+  }
+
+  if ($breakOnError) {
+    out += ' ' + $closingBraces + ' if (' + $errs + ' == errors) {';
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 755 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate__limit(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $isMax = $keyword == 'maximum',
+      $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum',
+      $schemaExcl = it.schema[$exclusiveKeyword],
+      $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
+      $op = $isMax ? '<' : '>',
+      $notOp = $isMax ? '>' : '<',
+      $errorKeyword = undefined;
+
+  if ($isDataExcl) {
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
+        $exclusive = 'exclusive' + $lvl,
+        $exclType = 'exclType' + $lvl,
+        $exclIsNumber = 'exclIsNumber' + $lvl,
+        $opExpr = 'op' + $lvl,
+        $opStr = '\' + ' + $opExpr + ' + \'';
+    out += ' var schemaExcl' + $lvl + ' = ' + $schemaValueExcl + '; ';
+    $schemaValueExcl = 'schemaExcl' + $lvl;
+    out += ' var ' + $exclusive + '; var ' + $exclType + ' = typeof ' + $schemaValueExcl + '; if (' + $exclType + ' != \'boolean\' && ' + $exclType + ' != \'undefined\' && ' + $exclType + ' != \'number\') { ';
+    var $errorKeyword = $exclusiveKeyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || '_exclusiveLimit') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'' + $exclusiveKeyword + ' should be boolean\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    var __err = out;
+    out = $$outStack.pop();
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + __err + ']); ';
+      } else {
+        out += ' validate.errors = [' + __err + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+
+    out += ' } else if ( ';
+
+    if ($isData) {
+      out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+    }
+
+    out += ' ' + $exclType + ' == \'number\' ? ( (' + $exclusive + ' = ' + $schemaValue + ' === undefined || ' + $schemaValueExcl + ' ' + $op + '= ' + $schemaValue + ') ? ' + $data + ' ' + $notOp + '= ' + $schemaValueExcl + ' : ' + $data + ' ' + $notOp + ' ' + $schemaValue + ' ) : ( (' + $exclusive + ' = ' + $schemaValueExcl + ' === true) ? ' + $data + ' ' + $notOp + '= ' + $schemaValue + ' : ' + $data + ' ' + $notOp + ' ' + $schemaValue + ' ) || ' + $data + ' !== ' + $data + ') { var op' + $lvl + ' = ' + $exclusive + ' ? \'' + $op + '\' : \'' + $op + '=\'; ';
+
+    if ($schema === undefined) {
+      $errorKeyword = $exclusiveKeyword;
+      $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+      $schemaValue = $schemaValueExcl;
+      $isData = $isDataExcl;
+    }
+  } else {
+    var $exclIsNumber = typeof $schemaExcl == 'number',
+        $opStr = $op;
+
+    if ($exclIsNumber && $isData) {
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+
+      if ($isData) {
+        out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+      }
+
+      out += ' ( ' + $schemaValue + ' === undefined || ' + $schemaExcl + ' ' + $op + '= ' + $schemaValue + ' ? ' + $data + ' ' + $notOp + '= ' + $schemaExcl + ' : ' + $data + ' ' + $notOp + ' ' + $schemaValue + ' ) || ' + $data + ' !== ' + $data + ') { ';
+    } else {
+      if ($exclIsNumber && $schema === undefined) {
+        $exclusive = true;
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaExcl;
+        $notOp += '=';
+      } else {
+        if ($exclIsNumber) $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          $exclusive = true;
+          $errorKeyword = $exclusiveKeyword;
+          $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+
+      if ($isData) {
+        out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+      }
+
+      out += ' ' + $data + ' ' + $notOp + ' ' + $schemaValue + ' || ' + $data + ' !== ' + $data + ') { ';
+    }
+  }
+
+  $errorKeyword = $errorKeyword || $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limit') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { comparison: ' + $opExpr + ', limit: ' + $schemaValue + ', exclusive: ' + $exclusive + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be ' + $opStr + ' ';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue;
+      } else {
+        out += '' + $schemaValue + '\'';
+      }
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + $schema;
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += ' } ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 756 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate__limitItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $op = $keyword == 'maxItems' ? '>' : '<';
+  out += 'if ( ';
+
+  if ($isData) {
+    out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+  }
+
+  out += ' ' + $data + '.length ' + $op + ' ' + $schemaValue + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitItems') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { limit: ' + $schemaValue + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+
+      if ($keyword == 'maxItems') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+
+      out += ' than ';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue + ' + \'';
+      } else {
+        out += '' + $schema;
+      }
+
+      out += ' items\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + $schema;
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += '} ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 757 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate__limitLength(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $op = $keyword == 'maxLength' ? '>' : '<';
+  out += 'if ( ';
+
+  if ($isData) {
+    out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+  }
+
+  if (it.opts.unicode === false) {
+    out += ' ' + $data + '.length ';
+  } else {
+    out += ' ucs2length(' + $data + ') ';
+  }
+
+  out += ' ' + $op + ' ' + $schemaValue + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitLength') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { limit: ' + $schemaValue + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT be ';
+
+      if ($keyword == 'maxLength') {
+        out += 'longer';
+      } else {
+        out += 'shorter';
+      }
+
+      out += ' than ';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue + ' + \'';
+      } else {
+        out += '' + $schema;
+      }
+
+      out += ' characters\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + $schema;
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += '} ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 758 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate__limitProperties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $op = $keyword == 'maxProperties' ? '>' : '<';
+  out += 'if ( ';
+
+  if ($isData) {
+    out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'number\') || ';
+  }
+
+  out += ' Object.keys(' + $data + ').length ' + $op + ' ' + $schemaValue + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitProperties') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { limit: ' + $schemaValue + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+
+      if ($keyword == 'maxProperties') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+
+      out += ' than ';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue + ' + \'';
+      } else {
+        out += '' + $schema;
+      }
+
+      out += ' properties\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + $schema;
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += '} ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 759 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_multipleOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  out += 'var division' + $lvl + ';if (';
+
+  if ($isData) {
+    out += ' ' + $schemaValue + ' !== undefined && ( typeof ' + $schemaValue + ' != \'number\' || ';
+  }
+
+  out += ' (division' + $lvl + ' = ' + $data + ' / ' + $schemaValue + ', ';
+
+  if (it.opts.multipleOfPrecision) {
+    out += ' Math.abs(Math.round(division' + $lvl + ') - division' + $lvl + ') > 1e-' + it.opts.multipleOfPrecision + ' ';
+  } else {
+    out += ' division' + $lvl + ' !== parseInt(division' + $lvl + ') ';
+  }
+
+  out += ' ) ';
+
+  if ($isData) {
+    out += '  )  ';
+  }
+
+  out += ' ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'multipleOf' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { multipleOf: ' + $schemaValue + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be multiple of ';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue;
+      } else {
+        out += '' + $schemaValue + '\'';
+      }
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + $schema;
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += '} ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 760 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_not(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+
+  if (it.opts.strictKeywords ? typeof $schema == 'object' && Object.keys($schema).length > 0 : it.util.schemaHasRules($schema, it.RULES.all)) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + $errs + ' = errors;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.createErrors = false;
+    var $allErrorsOption;
+
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+
+    out += ' ' + it.validate($it) + ' ';
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (' + $nextValid + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'not' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    var __err = out;
+    out = $$outStack.pop();
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + __err + ']); ';
+      } else {
+        out += ' validate.errors = [' + __err + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+
+    out += ' } else {  errors = ' + $errs + '; if (vErrors !== null) { if (' + $errs + ') vErrors.length = ' + $errs + '; else vErrors = null; } ';
+
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    out += '  var err =   ';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'not' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: {} ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+    if ($breakOnError) {
+      out += ' if (false) { ';
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 761 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_oneOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+      $prevValid = 'prevValid' + $lvl,
+      $passingSchemas = 'passingSchemas' + $lvl;
+  out += 'var ' + $errs + ' = errors , ' + $prevValid + ' = false , ' + $valid + ' = false , ' + $passingSchemas + ' = null; ';
+  var $wasComposite = it.compositeRule;
+  it.compositeRule = $it.compositeRule = true;
+  var arr1 = $schema;
+
+  if (arr1) {
+    var $sch,
+        $i = -1,
+        l1 = arr1.length - 1;
+
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+
+      if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + it.validate($it) + ' ';
+        $it.baseId = $currentBaseId;
+      } else {
+        out += ' var ' + $nextValid + ' = true; ';
+      }
+
+      if ($i) {
+        out += ' if (' + $nextValid + ' && ' + $prevValid + ') { ' + $valid + ' = false; ' + $passingSchemas + ' = [' + $passingSchemas + ', ' + $i + ']; } else { ';
+        $closingBraces += '}';
+      }
+
+      out += ' if (' + $nextValid + ') { ' + $valid + ' = ' + $prevValid + ' = true; ' + $passingSchemas + ' = ' + $i + '; }';
+    }
+  }
+
+  it.compositeRule = $it.compositeRule = $wasComposite;
+  out += '' + $closingBraces + 'if (!' + $valid + ') {   var err =   ';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'oneOf' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { passingSchemas: ' + $passingSchemas + ' } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match exactly one schema in oneOf\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; return false; ';
+    }
+  }
+
+  out += '} else {  errors = ' + $errs + '; if (vErrors !== null) { if (' + $errs + ') vErrors.length = ' + $errs + '; else vErrors = null; }';
+
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 762 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_pattern(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $regexp = $isData ? '(new RegExp(' + $schemaValue + '))' : it.usePattern($schema);
+  out += 'if ( ';
+
+  if ($isData) {
+    out += ' (' + $schemaValue + ' !== undefined && typeof ' + $schemaValue + ' != \'string\') || ';
+  }
+
+  out += ' !' + $regexp + '.test(' + $data + ') ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = '';
+  /* istanbul ignore else */
+
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + 'pattern' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { pattern:  ';
+
+    if ($isData) {
+      out += '' + $schemaValue;
+    } else {
+      out += '' + it.util.toQuotedString($schema);
+    }
+
+    out += '  } ';
+
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match pattern "';
+
+      if ($isData) {
+        out += '\' + ' + $schemaValue + ' + \'';
+      } else {
+        out += '' + it.util.escapeQuotes($schema);
+      }
+
+      out += '"\' ';
+    }
+
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+
+      if ($isData) {
+        out += 'validate.schema' + $schemaPath;
+      } else {
+        out += '' + it.util.toQuotedString($schema);
+      }
+
+      out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+    }
+
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+
+  var __err = out;
+  out = $$outStack.pop();
+
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + __err + ']); ';
+    } else {
+      out += ' validate.errors = [' + __err + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+
+  out += '} ';
+
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 763 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_properties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $key = 'key' + $lvl,
+      $idx = 'idx' + $lvl,
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $dataProperties = 'dataProperties' + $lvl;
+  var $schemaKeys = Object.keys($schema || {}),
+      $pProperties = it.schema.patternProperties || {},
+      $pPropertyKeys = Object.keys($pProperties),
+      $aProperties = it.schema.additionalProperties,
+      $someProperties = $schemaKeys.length || $pPropertyKeys.length,
+      $noAdditional = $aProperties === false,
+      $additionalIsSchema = typeof $aProperties == 'object' && Object.keys($aProperties).length,
+      $removeAdditional = it.opts.removeAdditional,
+      $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional,
+      $ownProperties = it.opts.ownProperties,
+      $currentBaseId = it.baseId;
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) var $requiredHash = it.util.toHash($required);
+  out += 'var ' + $errs + ' = errors;var ' + $nextValid + ' = true;';
+
+  if ($ownProperties) {
+    out += ' var ' + $dataProperties + ' = undefined;';
+  }
+
+  if ($checkAdditional) {
+    if ($ownProperties) {
+      out += ' ' + $dataProperties + ' = ' + $dataProperties + ' || Object.keys(' + $data + '); for (var ' + $idx + '=0; ' + $idx + '<' + $dataProperties + '.length; ' + $idx + '++) { var ' + $key + ' = ' + $dataProperties + '[' + $idx + ']; ';
+    } else {
+      out += ' for (var ' + $key + ' in ' + $data + ') { ';
+    }
+
+    if ($someProperties) {
+      out += ' var isAdditional' + $lvl + ' = !(false ';
+
+      if ($schemaKeys.length) {
+        if ($schemaKeys.length > 8) {
+          out += ' || validate.schema' + $schemaPath + '.hasOwnProperty(' + $key + ') ';
+        } else {
+          var arr1 = $schemaKeys;
+
+          if (arr1) {
+            var $propertyKey,
+                i1 = -1,
+                l1 = arr1.length - 1;
+
+            while (i1 < l1) {
+              $propertyKey = arr1[i1 += 1];
+              out += ' || ' + $key + ' == ' + it.util.toQuotedString($propertyKey) + ' ';
+            }
+          }
+        }
+      }
+
+      if ($pPropertyKeys.length) {
+        var arr2 = $pPropertyKeys;
+
+        if (arr2) {
+          var $pProperty,
+              $i = -1,
+              l2 = arr2.length - 1;
+
+          while ($i < l2) {
+            $pProperty = arr2[$i += 1];
+            out += ' || ' + it.usePattern($pProperty) + '.test(' + $key + ') ';
+          }
+        }
+      }
+
+      out += ' ); if (isAdditional' + $lvl + ') { ';
+    }
+
+    if ($removeAdditional == 'all') {
+      out += ' delete ' + $data + '[' + $key + ']; ';
+    } else {
+      var $currentErrorPath = it.errorPath;
+      var $additionalProperty = '\' + ' + $key + ' + \'';
+
+      if (it.opts._errorDataPathProperty) {
+        it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+      }
+
+      if ($noAdditional) {
+        if ($removeAdditional) {
+          out += ' delete ' + $data + '[' + $key + ']; ';
+        } else {
+          out += ' ' + $nextValid + ' = false; ';
+          var $currErrSchemaPath = $errSchemaPath;
+          $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          var $$outStack = $$outStack || [];
+          $$outStack.push(out);
+          out = '';
+          /* istanbul ignore else */
+
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + 'additionalProperties' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { additionalProperty: \'' + $additionalProperty + '\' } ';
+
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+
+              if (it.opts._errorDataPathProperty) {
+                out += 'is an invalid additional property';
+              } else {
+                out += 'should NOT have additional properties';
+              }
+
+              out += '\' ';
+            }
+
+            if (it.opts.verbose) {
+              out += ' , schema: false , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+            }
+
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+
+          var __err = out;
+          out = $$outStack.pop();
+
+          if (!it.compositeRule && $breakOnError) {
+            /* istanbul ignore if */
+            if (it.async) {
+              out += ' throw new ValidationError([' + __err + ']); ';
+            } else {
+              out += ' validate.errors = [' + __err + ']; return false; ';
+            }
+          } else {
+            out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+          }
+
+          $errSchemaPath = $currErrSchemaPath;
+
+          if ($breakOnError) {
+            out += ' break; ';
+          }
+        }
+      } else if ($additionalIsSchema) {
+        if ($removeAdditional == 'failing') {
+          out += ' var ' + $errs + ' = errors;  ';
+          var $wasComposite = it.compositeRule;
+          it.compositeRule = $it.compositeRule = true;
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+          } else {
+            out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+          }
+
+          out += ' if (!' + $nextValid + ') { errors = ' + $errs + '; if (validate.errors !== null) { if (errors) validate.errors.length = errors; else validate.errors = null; } delete ' + $data + '[' + $key + ']; }  ';
+          it.compositeRule = $it.compositeRule = $wasComposite;
+        } else {
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+          } else {
+            out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+          }
+
+          if ($breakOnError) {
+            out += ' if (!' + $nextValid + ') break; ';
+          }
+        }
+      }
+
+      it.errorPath = $currentErrorPath;
+    }
+
+    if ($someProperties) {
+      out += ' } ';
+    }
+
+    out += ' }  ';
+
+    if ($breakOnError) {
+      out += ' if (' + $nextValid + ') { ';
+      $closingBraces += '}';
+    }
+  }
+
+  var $useDefaults = it.opts.useDefaults && !it.compositeRule;
+
+  if ($schemaKeys.length) {
+    var arr3 = $schemaKeys;
+
+    if (arr3) {
+      var $propertyKey,
+          i3 = -1,
+          l3 = arr3.length - 1;
+
+      while (i3 < l3) {
+        $propertyKey = arr3[i3 += 1];
+        var $sch = $schema[$propertyKey];
+
+        if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+          var $prop = it.util.getProperty($propertyKey),
+              $passData = $data + $prop,
+              $hasDefault = $useDefaults && $sch.default !== undefined;
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + $prop;
+          $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+          $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+          $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            $code = it.util.varReplace($code, $nextData, $passData);
+            var $useData = $passData;
+          } else {
+            var $useData = $nextData;
+            out += ' var ' + $nextData + ' = ' + $passData + '; ';
+          }
+
+          if ($hasDefault) {
+            out += ' ' + $code + ' ';
+          } else {
+            if ($requiredHash && $requiredHash[$propertyKey]) {
+              out += ' if ( ' + $useData + ' === undefined ';
+
+              if ($ownProperties) {
+                out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+              }
+
+              out += ') { ' + $nextValid + ' = false; ';
+              var $currentErrorPath = it.errorPath,
+                  $currErrSchemaPath = $errSchemaPath,
+                  $missingProperty = it.util.escapeQuotes($propertyKey);
+
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+
+              $errSchemaPath = it.errSchemaPath + '/required';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = '';
+              /* istanbul ignore else */
+
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'';
+
+                  if (it.opts._errorDataPathProperty) {
+                    out += 'is a required property';
+                  } else {
+                    out += 'should have required property \\\'' + $missingProperty + '\\\'';
+                  }
+
+                  out += '\' ';
+                }
+
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+                }
+
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+
+              var __err = out;
+              out = $$outStack.pop();
+
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + __err + ']); ';
+                } else {
+                  out += ' validate.errors = [' + __err + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+
+              $errSchemaPath = $currErrSchemaPath;
+              it.errorPath = $currentErrorPath;
+              out += ' } else { ';
+            } else {
+              if ($breakOnError) {
+                out += ' if ( ' + $useData + ' === undefined ';
+
+                if ($ownProperties) {
+                  out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+                }
+
+                out += ') { ' + $nextValid + ' = true; } else { ';
+              } else {
+                out += ' if (' + $useData + ' !== undefined ';
+
+                if ($ownProperties) {
+                  out += ' &&   Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+                }
+
+                out += ' ) { ';
+              }
+            }
+
+            out += ' ' + $code + ' } ';
+          }
+        }
+
+        if ($breakOnError) {
+          out += ' if (' + $nextValid + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+
+  if ($pPropertyKeys.length) {
+    var arr4 = $pPropertyKeys;
+
+    if (arr4) {
+      var $pProperty,
+          i4 = -1,
+          l4 = arr4.length - 1;
+
+      while (i4 < l4) {
+        $pProperty = arr4[i4 += 1];
+        var $sch = $pProperties[$pProperty];
+
+        if (it.opts.strictKeywords ? typeof $sch == 'object' && Object.keys($sch).length > 0 : it.util.schemaHasRules($sch, it.RULES.all)) {
+          $it.schema = $sch;
+          $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+          $it.errSchemaPath = it.errSchemaPath + '/patternProperties/' + it.util.escapeFragment($pProperty);
+
+          if ($ownProperties) {
+            out += ' ' + $dataProperties + ' = ' + $dataProperties + ' || Object.keys(' + $data + '); for (var ' + $idx + '=0; ' + $idx + '<' + $dataProperties + '.length; ' + $idx + '++) { var ' + $key + ' = ' + $dataProperties + '[' + $idx + ']; ';
+          } else {
+            out += ' for (var ' + $key + ' in ' + $data + ') { ';
+          }
+
+          out += ' if (' + it.usePattern($pProperty) + '.test(' + $key + ')) { ';
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+          } else {
+            out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+          }
+
+          if ($breakOnError) {
+            out += ' if (!' + $nextValid + ') break; ';
+          }
+
+          out += ' } ';
+
+          if ($breakOnError) {
+            out += ' else ' + $nextValid + ' = true; ';
+          }
+
+          out += ' }  ';
+
+          if ($breakOnError) {
+            out += ' if (' + $nextValid + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+  }
+
+  if ($breakOnError) {
+    out += ' ' + $closingBraces + ' if (' + $errs + ' == errors) {';
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 764 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  out += 'var ' + $errs + ' = errors;';
+
+  if (it.opts.strictKeywords ? typeof $schema == 'object' && Object.keys($schema).length > 0 : it.util.schemaHasRules($schema, it.RULES.all)) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    var $key = 'key' + $lvl,
+        $idx = 'idx' + $lvl,
+        $i = 'i' + $lvl,
+        $invalidName = '\' + ' + $key + ' + \'',
+        $dataNxt = $it.dataLevel = it.dataLevel + 1,
+        $nextData = 'data' + $dataNxt,
+        $dataProperties = 'dataProperties' + $lvl,
+        $ownProperties = it.opts.ownProperties,
+        $currentBaseId = it.baseId;
+
+    if ($ownProperties) {
+      out += ' var ' + $dataProperties + ' = undefined; ';
+    }
+
+    if ($ownProperties) {
+      out += ' ' + $dataProperties + ' = ' + $dataProperties + ' || Object.keys(' + $data + '); for (var ' + $idx + '=0; ' + $idx + '<' + $dataProperties + '.length; ' + $idx + '++) { var ' + $key + ' = ' + $dataProperties + '[' + $idx + ']; ';
+    } else {
+      out += ' for (var ' + $key + ' in ' + $data + ') { ';
+    }
+
+    out += ' var startErrs' + $lvl + ' = errors; ';
+    var $passData = $key;
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + it.util.varReplace($code, $nextData, $passData) + ' ';
+    } else {
+      out += ' var ' + $nextData + ' = ' + $passData + '; ' + $code + ' ';
+    }
+
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (!' + $nextValid + ') { for (var ' + $i + '=startErrs' + $lvl + '; ' + $i + '<errors; ' + $i + '++) { vErrors[' + $i + '].propertyName = ' + $key + '; }   var err =   ';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'propertyNames' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { propertyName: \'' + $invalidName + '\' } ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'property name \\\'' + $invalidName + '\\\' is invalid\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+
+    if ($breakOnError) {
+      out += ' break; ';
+    }
+
+    out += ' } }';
+  }
+
+  if ($breakOnError) {
+    out += ' ' + $closingBraces + ' if (' + $errs + ' == errors) {';
+  }
+
+  out = it.util.cleanUpCode(out);
+  return out;
+};
+
+/***/ }),
+/* 765 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_required(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $vSchema = 'schema' + $lvl;
+
+  if (!$isData) {
+    if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
+      var $required = [];
+      var arr1 = $schema;
+
+      if (arr1) {
+        var $property,
+            i1 = -1,
+            l1 = arr1.length - 1;
+
+        while (i1 < l1) {
+          $property = arr1[i1 += 1];
+          var $propertySch = it.schema.properties[$property];
+
+          if (!($propertySch && (it.opts.strictKeywords ? typeof $propertySch == 'object' && Object.keys($propertySch).length > 0 : it.util.schemaHasRules($propertySch, it.RULES.all)))) {
+            $required[$required.length] = $property;
+          }
+        }
+      }
+    } else {
+      var $required = $schema;
+    }
+  }
+
+  if ($isData || $required.length) {
+    var $currentErrorPath = it.errorPath,
+        $loopRequired = $isData || $required.length >= it.opts.loopRequired,
+        $ownProperties = it.opts.ownProperties;
+
+    if ($breakOnError) {
+      out += ' var missing' + $lvl + '; ';
+
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + $vSchema + ' = validate.schema' + $schemaPath + '; ';
+        }
+
+        var $i = 'i' + $lvl,
+            $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+            $missingProperty = '\' + ' + $propertyPath + ' + \'';
+
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+
+        out += ' var ' + $valid + ' = true; ';
+
+        if ($isData) {
+          out += ' if (schema' + $lvl + ' === undefined) ' + $valid + ' = true; else if (!Array.isArray(schema' + $lvl + ')) ' + $valid + ' = false; else {';
+        }
+
+        out += ' for (var ' + $i + ' = 0; ' + $i + ' < ' + $vSchema + '.length; ' + $i + '++) { ' + $valid + ' = ' + $data + '[' + $vSchema + '[' + $i + ']] !== undefined ';
+
+        if ($ownProperties) {
+          out += ' &&   Object.prototype.hasOwnProperty.call(' + $data + ', ' + $vSchema + '[' + $i + ']) ';
+        }
+
+        out += '; if (!' + $valid + ') break; } ';
+
+        if ($isData) {
+          out += '  }  ';
+        }
+
+        out += '  if (!' + $valid + ') {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + $missingProperty + '\\\'';
+            }
+
+            out += '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+
+        out += ' } else { ';
+      } else {
+        out += ' if ( ';
+        var arr2 = $required;
+
+        if (arr2) {
+          var $propertyKey,
+              $i = -1,
+              l2 = arr2.length - 1;
+
+          while ($i < l2) {
+            $propertyKey = arr2[$i += 1];
+
+            if ($i) {
+              out += ' || ';
+            }
+
+            var $prop = it.util.getProperty($propertyKey),
+                $useData = $data + $prop;
+            out += ' ( ( ' + $useData + ' === undefined ';
+
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+            }
+
+            out += ') && (missing' + $lvl + ' = ' + it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop) + ') ) ';
+          }
+        }
+
+        out += ') {  ';
+        var $propertyPath = 'missing' + $lvl,
+            $missingProperty = '\' + ' + $propertyPath + ' + \'';
+
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = '';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + $missingProperty + '\\\'';
+            }
+
+            out += '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        var __err = out;
+        out = $$outStack.pop();
+
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + __err + ']); ';
+          } else {
+            out += ' validate.errors = [' + __err + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+
+        out += ' } else { ';
+      }
+    } else {
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + $vSchema + ' = validate.schema' + $schemaPath + '; ';
+        }
+
+        var $i = 'i' + $lvl,
+            $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+            $missingProperty = '\' + ' + $propertyPath + ' + \'';
+
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+
+        if ($isData) {
+          out += ' if (' + $vSchema + ' && !Array.isArray(' + $vSchema + ')) {  var err =   ';
+          /* istanbul ignore else */
+
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+
+              if (it.opts._errorDataPathProperty) {
+                out += 'is a required property';
+              } else {
+                out += 'should have required property \\\'' + $missingProperty + '\\\'';
+              }
+
+              out += '\' ';
+            }
+
+            if (it.opts.verbose) {
+              out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+            }
+
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+
+          out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if (' + $vSchema + ' !== undefined) { ';
+        }
+
+        out += ' for (var ' + $i + ' = 0; ' + $i + ' < ' + $vSchema + '.length; ' + $i + '++) { if (' + $data + '[' + $vSchema + '[' + $i + ']] === undefined ';
+
+        if ($ownProperties) {
+          out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', ' + $vSchema + '[' + $i + ']) ';
+        }
+
+        out += ') {  var err =   ';
+        /* istanbul ignore else */
+
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + $missingProperty + '\\\'';
+            }
+
+            out += '\' ';
+          }
+
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+          }
+
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+
+        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } ';
+
+        if ($isData) {
+          out += '  }  ';
+        }
+      } else {
+        var arr3 = $required;
+
+        if (arr3) {
+          var $propertyKey,
+              i3 = -1,
+              l3 = arr3.length - 1;
+
+          while (i3 < l3) {
+            $propertyKey = arr3[i3 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+                $missingProperty = it.util.escapeQuotes($propertyKey),
+                $useData = $data + $prop;
+
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+
+            out += ' if ( ' + $useData + ' === undefined ';
+
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + $data + ', \'' + it.util.escapeQuotes($propertyKey) + '\') ';
+            }
+
+            out += ') {  var err =   ';
+            /* istanbul ignore else */
+
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + 'required' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { missingProperty: \'' + $missingProperty + '\' } ';
+
+              if (it.opts.messages !== false) {
+                out += ' , message: \'';
+
+                if (it.opts._errorDataPathProperty) {
+                  out += 'is a required property';
+                } else {
+                  out += 'should have required property \\\'' + $missingProperty + '\\\'';
+                }
+
+                out += '\' ';
+              }
+
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+              }
+
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+    }
+
+    it.errorPath = $currentErrorPath;
+  } else if ($breakOnError) {
+    out += ' if (true) {';
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 766 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_uniqueItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  if (($schema || $isData) && it.opts.uniqueItems !== false) {
+    if ($isData) {
+      out += ' var ' + $valid + '; if (' + $schemaValue + ' === false || ' + $schemaValue + ' === undefined) ' + $valid + ' = true; else if (typeof ' + $schemaValue + ' != \'boolean\') ' + $valid + ' = false; else { ';
+    }
+
+    out += ' var i = ' + $data + '.length , ' + $valid + ' = true , j; if (i > 1) { ';
+    var $itemType = it.schema.items && it.schema.items.type,
+        $typeIsArray = Array.isArray($itemType);
+
+    if (!$itemType || $itemType == 'object' || $itemType == 'array' || $typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0)) {
+      out += ' outer: for (;i--;) { for (j = i; j--;) { if (equal(' + $data + '[i], ' + $data + '[j])) { ' + $valid + ' = false; break outer; } } } ';
+    } else {
+      out += ' var itemIndices = {}, item; for (;i--;) { var item = ' + $data + '[i]; ';
+      var $method = 'checkDataType' + ($typeIsArray ? 's' : '');
+      out += ' if (' + it.util[$method]($itemType, 'item', true) + ') continue; ';
+
+      if ($typeIsArray) {
+        out += ' if (typeof item == \'string\') item = \'"\' + item; ';
+      }
+
+      out += ' if (typeof itemIndices[item] == \'number\') { ' + $valid + ' = false; j = itemIndices[item]; break; } itemIndices[item] = i; } ';
+    }
+
+    out += ' } ';
+
+    if ($isData) {
+      out += '  }  ';
+    }
+
+    out += ' if (!' + $valid + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + 'uniqueItems' + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { i: i, j: j } ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT have duplicate items (items ## \' + j + \' and \' + i + \' are identical)\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema:  ';
+
+        if ($isData) {
+          out += 'validate.schema' + $schemaPath;
+        } else {
+          out += '' + $schema;
+        }
+
+        out += '         , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    var __err = out;
+    out = $$outStack.pop();
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + __err + ']); ';
+      } else {
+        out += ' validate.errors = [' + __err + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+
+    out += ' } ';
+
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 767 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var KEYWORDS = ['multipleOf', 'maximum', 'exclusiveMaximum', 'minimum', 'exclusiveMinimum', 'maxLength', 'minLength', 'pattern', 'additionalItems', 'maxItems', 'minItems', 'uniqueItems', 'maxProperties', 'minProperties', 'required', 'additionalProperties', 'enum', 'format', 'const'];
+
+module.exports = function (metaSchema, keywordsJsonPointers) {
+  for (var i = 0; i < keywordsJsonPointers.length; i++) {
+    metaSchema = JSON.parse(JSON.stringify(metaSchema));
+    var segments = keywordsJsonPointers[i].split('/');
+    var keywords = metaSchema;
+    var j;
+
+    for (j = 1; j < segments.length; j++) keywords = keywords[segments[j]];
+
+    for (j = 0; j < KEYWORDS.length; j++) {
+      var key = KEYWORDS[j];
+      var schema = keywords[key];
+
+      if (schema) {
+        keywords[key] = {
+          anyOf: [schema, {
+            $ref: 'https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/data.json#'
+          }]
+        };
+      }
+    }
+  }
+
+  return metaSchema;
+};
+
+/***/ }),
+/* 768 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var MissingRefError = __webpack_require__(737).MissingRef;
+
+module.exports = compileAsync;
+/**
+ * Creates validating function for passed schema with asynchronous loading of missing schemas.
+ * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
+ * @this  Ajv
+ * @param {Object}   schema schema object
+ * @param {Boolean}  meta optional true to compile meta-schema; this parameter can be skipped
+ * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function.
+ * @return {Promise} promise that resolves with a validating function.
+ */
+
+function compileAsync(schema, meta, callback) {
+  /* eslint no-shadow: 0 */
+
+  /* global Promise */
+
+  /* jshint validthis: true */
+  var self = this;
+  if (typeof this._opts.loadSchema != 'function') throw new Error('options.loadSchema should be a function');
+
+  if (typeof meta == 'function') {
+    callback = meta;
+    meta = undefined;
+  }
+
+  var p = loadMetaSchemaOf(schema).then(function () {
+    var schemaObj = self._addSchema(schema, undefined, meta);
+
+    return schemaObj.validate || _compileAsync(schemaObj);
+  });
+
+  if (callback) {
+    p.then(function (v) {
+      callback(null, v);
+    }, callback);
+  }
+
+  return p;
+
+  function loadMetaSchemaOf(sch) {
+    var $schema = sch.$schema;
+    return $schema && !self.getSchema($schema) ? compileAsync.call(self, {
+      $ref: $schema
+    }, true) : Promise.resolve();
+  }
+
+  function _compileAsync(schemaObj) {
+    try {
+      return self._compile(schemaObj);
+    } catch (e) {
+      if (e instanceof MissingRefError) return loadMissingSchema(e);
+      throw e;
+    }
+
+    function loadMissingSchema(e) {
+      var ref = e.missingSchema;
+      if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved');
+      var schemaPromise = self._loadingSchemas[ref];
+
+      if (!schemaPromise) {
+        schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref);
+        schemaPromise.then(removePromise, removePromise);
+      }
+
+      return schemaPromise.then(function (sch) {
+        if (!added(ref)) {
+          return loadMetaSchemaOf(sch).then(function () {
+            if (!added(ref)) self.addSchema(sch, ref, undefined, meta);
+          });
+        }
+      }).then(function () {
+        return _compileAsync(schemaObj);
+      });
+
+      function removePromise() {
+        delete self._loadingSchemas[ref];
+      }
+
+      function added(ref) {
+        return self._refs[ref] || self._schemas[ref];
+      }
+    }
+  }
+}
+
+/***/ }),
+/* 769 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var IDENTIFIER = /^[a-z_$][a-z0-9_$-]*$/i;
+
+var customRuleCode = __webpack_require__(770);
+
+var definitionSchema = __webpack_require__(771);
+
+module.exports = {
+  add: addKeyword,
+  get: getKeyword,
+  remove: removeKeyword,
+  validate: validateKeyword
+};
+/**
+ * Define custom keyword
+ * @this  Ajv
+ * @param {String} keyword custom keyword, should be unique (including different from all standard, custom and macro keywords).
+ * @param {Object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+ * @return {Ajv} this for method chaining
+ */
+
+function addKeyword(keyword, definition) {
+  /* jshint validthis: true */
+
+  /* eslint no-shadow: 0 */
+  var RULES = this.RULES;
+  if (RULES.keywords[keyword]) throw new Error('Keyword ' + keyword + ' is already defined');
+  if (!IDENTIFIER.test(keyword)) throw new Error('Keyword ' + keyword + ' is not a valid identifier');
+
+  if (definition) {
+    this.validateKeyword(definition, true);
+    var dataType = definition.type;
+
+    if (Array.isArray(dataType)) {
+      for (var i = 0; i < dataType.length; i++) _addRule(keyword, dataType[i], definition);
+    } else {
+      _addRule(keyword, dataType, definition);
+    }
+
+    var metaSchema = definition.metaSchema;
+
+    if (metaSchema) {
+      if (definition.$data && this._opts.$data) {
+        metaSchema = {
+          anyOf: [metaSchema, {
+            '$ref': 'https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/data.json#'
+          }]
+        };
+      }
+
+      definition.validateSchema = this.compile(metaSchema, true);
+    }
+  }
+
+  RULES.keywords[keyword] = RULES.all[keyword] = true;
+
+  function _addRule(keyword, dataType, definition) {
+    var ruleGroup;
+
+    for (var i = 0; i < RULES.length; i++) {
+      var rg = RULES[i];
+
+      if (rg.type == dataType) {
+        ruleGroup = rg;
+        break;
+      }
+    }
+
+    if (!ruleGroup) {
+      ruleGroup = {
+        type: dataType,
+        rules: []
+      };
+      RULES.push(ruleGroup);
+    }
+
+    var rule = {
+      keyword: keyword,
+      definition: definition,
+      custom: true,
+      code: customRuleCode,
+      implements: definition.implements
+    };
+    ruleGroup.rules.push(rule);
+    RULES.custom[keyword] = rule;
+  }
+
+  return this;
+}
+/**
+ * Get keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+ */
+
+
+function getKeyword(keyword) {
+  /* jshint validthis: true */
+  var rule = this.RULES.custom[keyword];
+  return rule ? rule.definition : this.RULES.keywords[keyword] || false;
+}
+/**
+ * Remove keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Ajv} this for method chaining
+ */
+
+
+function removeKeyword(keyword) {
+  /* jshint validthis: true */
+  var RULES = this.RULES;
+  delete RULES.keywords[keyword];
+  delete RULES.all[keyword];
+  delete RULES.custom[keyword];
+
+  for (var i = 0; i < RULES.length; i++) {
+    var rules = RULES[i].rules;
+
+    for (var j = 0; j < rules.length; j++) {
+      if (rules[j].keyword == keyword) {
+        rules.splice(j, 1);
+        break;
+      }
+    }
+  }
+
+  return this;
+}
+/**
+ * Validate keyword definition
+ * @this  Ajv
+ * @param {Object} definition keyword definition object.
+ * @param {Boolean} throwError true to throw exception if definition is invalid
+ * @return {boolean} validation result
+ */
+
+
+function validateKeyword(definition, throwError) {
+  validateKeyword.errors = null;
+  var v = this._validateKeyword = this._validateKeyword || this.compile(definitionSchema, true);
+  if (v(definition)) return true;
+  validateKeyword.errors = v.errors;
+  if (throwError) throw new Error('custom keyword definition is invalid: ' + this.errorsText(v.errors));else return false;
+}
+
+/***/ }),
+/* 770 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = function generate_custom(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+      $schemaValue;
+
+  if ($isData) {
+    out += ' var schema' + $lvl + ' = ' + it.util.getData($schema.$data, $dataLvl, it.dataPathArr) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+
+  var $rule = this,
+      $definition = 'definition' + $lvl,
+      $rDef = $rule.definition,
+      $closingBraces = '';
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+
+  if ($isData && $rDef.$data) {
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+    out += ' var ' + $definition + ' = RULES.custom[\'' + $keyword + '\'].definition; var ' + $validateCode + ' = ' + $definition + '.validate;';
+  } else {
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }
+
+  var $ruleErrs = $validateCode + '.errors',
+      $i = 'i' + $lvl,
+      $ruleErr = 'ruleErr' + $lvl,
+      $asyncKeyword = $rDef.async;
+  if ($asyncKeyword && !it.async) throw new Error('async keyword in sync schema');
+
+  if (!($inline || $macro)) {
+    out += '' + $ruleErrs + ' = null;';
+  }
+
+  out += 'var ' + $errs + ' = errors;var ' + $valid + ';';
+
+  if ($isData && $rDef.$data) {
+    $closingBraces += '}';
+    out += ' if (' + $schemaValue + ' === undefined) { ' + $valid + ' = true; } else { ';
+
+    if ($validateSchema) {
+      $closingBraces += '}';
+      out += ' ' + $valid + ' = ' + $definition + '.validateSchema(' + $schemaValue + '); if (' + $valid + ') { ';
+    }
+  }
+
+  if ($inline) {
+    if ($rDef.statements) {
+      out += ' ' + $ruleValidate.validate + ' ';
+    } else {
+      out += ' ' + $valid + ' = ' + $ruleValidate.validate + '; ';
+    }
+  } else if ($macro) {
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it).replace(/validate\.schema/g, $validateCode);
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + $code;
+  } else {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    out += '  ' + $validateCode + '.call( ';
+
+    if (it.opts.passContext) {
+      out += 'this';
+    } else {
+      out += 'self';
+    }
+
+    if ($compile || $rDef.schema === false) {
+      out += ' , ' + $data + ' ';
+    } else {
+      out += ' , ' + $schemaValue + ' , ' + $data + ' , validate.schema' + it.schemaPath + ' ';
+    }
+
+    out += ' , (dataPath || \'\')';
+
+    if (it.errorPath != '""') {
+      out += ' + ' + it.errorPath;
+    }
+
+    var $parentData = $dataLvl ? 'data' + ($dataLvl - 1 || '') : 'parentData',
+        $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + $parentData + ' , ' + $parentDataProperty + ' , rootData )  ';
+    var def_callRuleValidate = out;
+    out = $$outStack.pop();
+
+    if ($rDef.errors === false) {
+      out += ' ' + $valid + ' = ';
+
+      if ($asyncKeyword) {
+        out += 'await ';
+      }
+
+      out += '' + def_callRuleValidate + '; ';
+    } else {
+      if ($asyncKeyword) {
+        $ruleErrs = 'customErrors' + $lvl;
+        out += ' var ' + $ruleErrs + ' = null; try { ' + $valid + ' = await ' + def_callRuleValidate + '; } catch (e) { ' + $valid + ' = false; if (e instanceof ValidationError) ' + $ruleErrs + ' = e.errors; else throw e; } ';
+      } else {
+        out += ' ' + $ruleErrs + ' = null; ' + $valid + ' = ' + def_callRuleValidate + '; ';
+      }
+    }
+  }
+
+  if ($rDef.modifying) {
+    out += ' if (' + $parentData + ') ' + $data + ' = ' + $parentData + '[' + $parentDataProperty + '];';
+  }
+
+  out += '' + $closingBraces;
+
+  if ($rDef.valid) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  } else {
+    out += ' if ( ';
+
+    if ($rDef.valid === undefined) {
+      out += ' !';
+
+      if ($macro) {
+        out += '' + $nextValid;
+      } else {
+        out += '' + $valid;
+      }
+    } else {
+      out += ' ' + !$rDef.valid + ' ';
+    }
+
+    out += ') { ';
+    $errorKeyword = $rule.keyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    /* istanbul ignore else */
+
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { keyword: \'' + $rule.keyword + '\' } ';
+
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should pass "' + $rule.keyword + '" keyword validation\' ';
+      }
+
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+      }
+
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+
+    var __err = out;
+    out = $$outStack.pop();
+
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + __err + ']); ';
+      } else {
+        out += ' validate.errors = [' + __err + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + __err + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+
+    var def_customError = out;
+    out = $$outStack.pop();
+
+    if ($inline) {
+      if ($rDef.errors) {
+        if ($rDef.errors != 'full') {
+          out += '  for (var ' + $i + '=' + $errs + '; ' + $i + '<errors; ' + $i + '++) { var ' + $ruleErr + ' = vErrors[' + $i + ']; if (' + $ruleErr + '.dataPath === undefined) ' + $ruleErr + '.dataPath = (dataPath || \'\') + ' + it.errorPath + '; if (' + $ruleErr + '.schemaPath === undefined) { ' + $ruleErr + '.schemaPath = "' + $errSchemaPath + '"; } ';
+
+          if (it.opts.verbose) {
+            out += ' ' + $ruleErr + '.schema = ' + $schemaValue + '; ' + $ruleErr + '.data = ' + $data + '; ';
+          }
+
+          out += ' } ';
+        }
+      } else {
+        if ($rDef.errors === false) {
+          out += ' ' + def_customError + ' ';
+        } else {
+          out += ' if (' + $errs + ' == errors) { ' + def_customError + ' } else {  for (var ' + $i + '=' + $errs + '; ' + $i + '<errors; ' + $i + '++) { var ' + $ruleErr + ' = vErrors[' + $i + ']; if (' + $ruleErr + '.dataPath === undefined) ' + $ruleErr + '.dataPath = (dataPath || \'\') + ' + it.errorPath + '; if (' + $ruleErr + '.schemaPath === undefined) { ' + $ruleErr + '.schemaPath = "' + $errSchemaPath + '"; } ';
+
+          if (it.opts.verbose) {
+            out += ' ' + $ruleErr + '.schema = ' + $schemaValue + '; ' + $ruleErr + '.data = ' + $data + '; ';
+          }
+
+          out += ' } } ';
+        }
+      }
+    } else if ($macro) {
+      out += '   var err =   ';
+      /* istanbul ignore else */
+
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + it.errorPath + ' , schemaPath: ' + it.util.toQuotedString($errSchemaPath) + ' , params: { keyword: \'' + $rule.keyword + '\' } ';
+
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should pass "' + $rule.keyword + '" keyword validation\' ';
+        }
+
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + $schemaPath + ' , parentSchema: validate.schema' + it.schemaPath + ' , data: ' + $data + ' ';
+        }
+
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+
+      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError(vErrors); ';
+        } else {
+          out += ' validate.errors = vErrors; return false; ';
+        }
+      }
+    } else {
+      if ($rDef.errors === false) {
+        out += ' ' + def_customError + ' ';
+      } else {
+        out += ' if (Array.isArray(' + $ruleErrs + ')) { if (vErrors === null) vErrors = ' + $ruleErrs + '; else vErrors = vErrors.concat(' + $ruleErrs + '); errors = vErrors.length;  for (var ' + $i + '=' + $errs + '; ' + $i + '<errors; ' + $i + '++) { var ' + $ruleErr + ' = vErrors[' + $i + ']; if (' + $ruleErr + '.dataPath === undefined) ' + $ruleErr + '.dataPath = (dataPath || \'\') + ' + it.errorPath + ';  ' + $ruleErr + '.schemaPath = "' + $errSchemaPath + '";  ';
+
+        if (it.opts.verbose) {
+          out += ' ' + $ruleErr + '.schema = ' + $schemaValue + '; ' + $ruleErr + '.data = ' + $data + '; ';
+        }
+
+        out += ' } } else { ' + def_customError + ' } ';
+      }
+    }
+
+    out += ' } ';
+
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  }
+
+  return out;
+};
+
+/***/ }),
+/* 771 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var metaSchema = __webpack_require__(772);
+
+module.exports = {
+  $id: 'https://github.com/epoberezkin/ajv/blob/master/lib/definition_schema.js',
+  definitions: {
+    simpleTypes: metaSchema.definitions.simpleTypes
+  },
+  type: 'object',
+  dependencies: {
+    schema: ['validate'],
+    $data: ['validate'],
+    statements: ['inline'],
+    valid: {
+      not: {
+        required: ['macro']
+      }
+    }
+  },
+  properties: {
+    type: metaSchema.properties.type,
+    schema: {
+      type: 'boolean'
+    },
+    statements: {
+      type: 'boolean'
+    },
+    dependencies: {
+      type: 'array',
+      items: {
+        type: 'string'
+      }
+    },
+    metaSchema: {
+      type: 'object'
+    },
+    modifying: {
+      type: 'boolean'
+    },
+    valid: {
+      type: 'boolean'
+    },
+    $data: {
+      type: 'boolean'
+    },
+    async: {
+      type: 'boolean'
+    },
+    errors: {
+      anyOf: [{
+        type: 'boolean'
+      }, {
+        const: 'full'
+      }]
+    }
+  }
+};
+
+/***/ }),
+/* 772 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"$schema\":\"http://json-schema.org/draft-07/schema#\",\"$id\":\"http://json-schema.org/draft-07/schema#\",\"title\":\"Core schema meta-schema\",\"definitions\":{\"schemaArray\":{\"type\":\"array\",\"minItems\":1,\"items\":{\"$ref\":\"#\"}},\"nonNegativeInteger\":{\"type\":\"integer\",\"minimum\":0},\"nonNegativeIntegerDefault0\":{\"allOf\":[{\"$ref\":\"#/definitions/nonNegativeInteger\"},{\"default\":0}]},\"simpleTypes\":{\"enum\":[\"array\",\"boolean\",\"integer\",\"null\",\"number\",\"object\",\"string\"]},\"stringArray\":{\"type\":\"array\",\"items\":{\"type\":\"string\"},\"uniqueItems\":true,\"default\":[]}},\"type\":[\"object\",\"boolean\"],\"properties\":{\"$id\":{\"type\":\"string\",\"format\":\"uri-reference\"},\"$schema\":{\"type\":\"string\",\"format\":\"uri\"},\"$ref\":{\"type\":\"string\",\"format\":\"uri-reference\"},\"$comment\":{\"type\":\"string\"},\"title\":{\"type\":\"string\"},\"description\":{\"type\":\"string\"},\"default\":true,\"readOnly\":{\"type\":\"boolean\",\"default\":false},\"examples\":{\"type\":\"array\",\"items\":true},\"multipleOf\":{\"type\":\"number\",\"exclusiveMinimum\":0},\"maximum\":{\"type\":\"number\"},\"exclusiveMaximum\":{\"type\":\"number\"},\"minimum\":{\"type\":\"number\"},\"exclusiveMinimum\":{\"type\":\"number\"},\"maxLength\":{\"$ref\":\"#/definitions/nonNegativeInteger\"},\"minLength\":{\"$ref\":\"#/definitions/nonNegativeIntegerDefault0\"},\"pattern\":{\"type\":\"string\",\"format\":\"regex\"},\"additionalItems\":{\"$ref\":\"#\"},\"items\":{\"anyOf\":[{\"$ref\":\"#\"},{\"$ref\":\"#/definitions/schemaArray\"}],\"default\":true},\"maxItems\":{\"$ref\":\"#/definitions/nonNegativeInteger\"},\"minItems\":{\"$ref\":\"#/definitions/nonNegativeIntegerDefault0\"},\"uniqueItems\":{\"type\":\"boolean\",\"default\":false},\"contains\":{\"$ref\":\"#\"},\"maxProperties\":{\"$ref\":\"#/definitions/nonNegativeInteger\"},\"minProperties\":{\"$ref\":\"#/definitions/nonNegativeIntegerDefault0\"},\"required\":{\"$ref\":\"#/definitions/stringArray\"},\"additionalProperties\":{\"$ref\":\"#\"},\"definitions\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"default\":{}},\"properties\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"default\":{}},\"patternProperties\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"propertyNames\":{\"format\":\"regex\"},\"default\":{}},\"dependencies\":{\"type\":\"object\",\"additionalProperties\":{\"anyOf\":[{\"$ref\":\"#\"},{\"$ref\":\"#/definitions/stringArray\"}]}},\"propertyNames\":{\"$ref\":\"#\"},\"const\":true,\"enum\":{\"type\":\"array\",\"items\":true,\"minItems\":1,\"uniqueItems\":true},\"type\":{\"anyOf\":[{\"$ref\":\"#/definitions/simpleTypes\"},{\"type\":\"array\",\"items\":{\"$ref\":\"#/definitions/simpleTypes\"},\"minItems\":1,\"uniqueItems\":true}]},\"format\":{\"type\":\"string\"},\"contentMediaType\":{\"type\":\"string\"},\"contentEncoding\":{\"type\":\"string\"},\"if\":{\"$ref\":\"#\"},\"then\":{\"$ref\":\"#\"},\"else\":{\"$ref\":\"#\"},\"allOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"anyOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"oneOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"not\":{\"$ref\":\"#\"}},\"default\":true}");
+
+/***/ }),
+/* 773 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"$schema\":\"http://json-schema.org/draft-07/schema#\",\"$id\":\"https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/data.json#\",\"description\":\"Meta-schema for $data reference (JSON Schema extension proposal)\",\"type\":\"object\",\"required\":[\"$data\"],\"properties\":{\"$data\":{\"type\":\"string\",\"anyOf\":[{\"format\":\"relative-json-pointer\"},{\"format\":\"json-pointer\"}]}},\"additionalProperties\":false}");
+
+/***/ }),
+/* 774 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"id\":\"http://json-schema.org/draft-04/schema#\",\"$schema\":\"http://json-schema.org/draft-04/schema#\",\"description\":\"Core schema meta-schema\",\"definitions\":{\"schemaArray\":{\"type\":\"array\",\"minItems\":1,\"items\":{\"$ref\":\"#\"}},\"positiveInteger\":{\"type\":\"integer\",\"minimum\":0},\"positiveIntegerDefault0\":{\"allOf\":[{\"$ref\":\"#/definitions/positiveInteger\"},{\"default\":0}]},\"simpleTypes\":{\"enum\":[\"array\",\"boolean\",\"integer\",\"null\",\"number\",\"object\",\"string\"]},\"stringArray\":{\"type\":\"array\",\"items\":{\"type\":\"string\"},\"minItems\":1,\"uniqueItems\":true}},\"type\":\"object\",\"properties\":{\"id\":{\"type\":\"string\"},\"$schema\":{\"type\":\"string\"},\"title\":{\"type\":\"string\"},\"description\":{\"type\":\"string\"},\"default\":{},\"multipleOf\":{\"type\":\"number\",\"minimum\":0,\"exclusiveMinimum\":true},\"maximum\":{\"type\":\"number\"},\"exclusiveMaximum\":{\"type\":\"boolean\",\"default\":false},\"minimum\":{\"type\":\"number\"},\"exclusiveMinimum\":{\"type\":\"boolean\",\"default\":false},\"maxLength\":{\"$ref\":\"#/definitions/positiveInteger\"},\"minLength\":{\"$ref\":\"#/definitions/positiveIntegerDefault0\"},\"pattern\":{\"type\":\"string\",\"format\":\"regex\"},\"additionalItems\":{\"anyOf\":[{\"type\":\"boolean\"},{\"$ref\":\"#\"}],\"default\":{}},\"items\":{\"anyOf\":[{\"$ref\":\"#\"},{\"$ref\":\"#/definitions/schemaArray\"}],\"default\":{}},\"maxItems\":{\"$ref\":\"#/definitions/positiveInteger\"},\"minItems\":{\"$ref\":\"#/definitions/positiveIntegerDefault0\"},\"uniqueItems\":{\"type\":\"boolean\",\"default\":false},\"maxProperties\":{\"$ref\":\"#/definitions/positiveInteger\"},\"minProperties\":{\"$ref\":\"#/definitions/positiveIntegerDefault0\"},\"required\":{\"$ref\":\"#/definitions/stringArray\"},\"additionalProperties\":{\"anyOf\":[{\"type\":\"boolean\"},{\"$ref\":\"#\"}],\"default\":{}},\"definitions\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"default\":{}},\"properties\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"default\":{}},\"patternProperties\":{\"type\":\"object\",\"additionalProperties\":{\"$ref\":\"#\"},\"default\":{}},\"dependencies\":{\"type\":\"object\",\"additionalProperties\":{\"anyOf\":[{\"$ref\":\"#\"},{\"$ref\":\"#/definitions/stringArray\"}]}},\"enum\":{\"type\":\"array\",\"minItems\":1,\"uniqueItems\":true},\"type\":{\"anyOf\":[{\"$ref\":\"#/definitions/simpleTypes\"},{\"type\":\"array\",\"items\":{\"$ref\":\"#/definitions/simpleTypes\"},\"minItems\":1,\"uniqueItems\":true}]},\"format\":{\"type\":\"string\"},\"allOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"anyOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"oneOf\":{\"$ref\":\"#/definitions/schemaArray\"},\"not\":{\"$ref\":\"#\"}},\"dependencies\":{\"exclusiveMaximum\":[\"maximum\"],\"exclusiveMinimum\":[\"minimum\"]},\"default\":{}}");
+
+/***/ }),
+/* 775 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = {
+  SourceCode: __webpack_require__(776)
+};
+
+/***/ }),
+/* 776 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Abstraction of JavaScript source code.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  isCommentToken
+} = __webpack_require__(549),
+      TokenStore = __webpack_require__(777),
+      astUtils = __webpack_require__(409),
+      Traverser = __webpack_require__(639),
+      lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Validates that the given AST has the required information.
+ * @param {ASTNode} ast The Program node of the AST to check.
+ * @throws {Error} If the AST doesn't contain the correct information.
+ * @returns {void}
+ * @private
+ */
+
+
+function validate(ast) {
+  if (!ast.tokens) {
+    throw new Error("AST is missing the tokens array.");
+  }
+
+  if (!ast.comments) {
+    throw new Error("AST is missing the comments array.");
+  }
+
+  if (!ast.loc) {
+    throw new Error("AST is missing location information.");
+  }
+
+  if (!ast.range) {
+    throw new Error("AST is missing range information");
+  }
+}
+/**
+ * Check to see if its a ES6 export declaration.
+ * @param {ASTNode} astNode An AST node.
+ * @returns {boolean} whether the given node represents an export declaration.
+ * @private
+ */
+
+
+function looksLikeExport(astNode) {
+  return astNode.type === "ExportDefaultDeclaration" || astNode.type === "ExportNamedDeclaration" || astNode.type === "ExportAllDeclaration" || astNode.type === "ExportSpecifier";
+}
+/**
+ * Merges two sorted lists into a larger sorted list in O(n) time.
+ * @param {Token[]} tokens The list of tokens.
+ * @param {Token[]} comments The list of comments.
+ * @returns {Token[]} A sorted list of tokens and comments.
+ * @private
+ */
+
+
+function sortedMerge(tokens, comments) {
+  const result = [];
+  let tokenIndex = 0;
+  let commentIndex = 0;
+
+  while (tokenIndex < tokens.length || commentIndex < comments.length) {
+    if (commentIndex >= comments.length || tokenIndex < tokens.length && tokens[tokenIndex].range[0] < comments[commentIndex].range[0]) {
+      result.push(tokens[tokenIndex++]);
+    } else {
+      result.push(comments[commentIndex++]);
+    }
+  }
+
+  return result;
+}
+/**
+ * Determines if two nodes or tokens overlap.
+ * @param {ASTNode|Token} first The first node or token to check.
+ * @param {ASTNode|Token} second The second node or token to check.
+ * @returns {boolean} True if the two nodes or tokens overlap.
+ * @private
+ */
+
+
+function nodesOrTokensOverlap(first, second) {
+  return first.range[0] <= second.range[0] && first.range[1] >= second.range[0] || second.range[0] <= first.range[0] && second.range[1] >= first.range[0];
+}
+/**
+ * Determines if two nodes or tokens have at least one whitespace character
+ * between them. Order does not matter. Returns false if the given nodes or
+ * tokens overlap.
+ * @param {SourceCode} sourceCode The source code object.
+ * @param {ASTNode|Token} first The first node or token to check between.
+ * @param {ASTNode|Token} second The second node or token to check between.
+ * @param {boolean} checkInsideOfJSXText If `true` is present, check inside of JSXText tokens for backward compatibility.
+ * @returns {boolean} True if there is a whitespace character between
+ * any of the tokens found between the two given nodes or tokens.
+ * @public
+ */
+
+
+function isSpaceBetween(sourceCode, first, second, checkInsideOfJSXText) {
+  if (nodesOrTokensOverlap(first, second)) {
+    return false;
+  }
+
+  const [startingNodeOrToken, endingNodeOrToken] = first.range[1] <= second.range[0] ? [first, second] : [second, first];
+  const firstToken = sourceCode.getLastToken(startingNodeOrToken) || startingNodeOrToken;
+  const finalToken = sourceCode.getFirstToken(endingNodeOrToken) || endingNodeOrToken;
+  let currentToken = firstToken;
+
+  while (currentToken !== finalToken) {
+    const nextToken = sourceCode.getTokenAfter(currentToken, {
+      includeComments: true
+    });
+
+    if (currentToken.range[1] !== nextToken.range[0] ||
+    /*
+     * For backward compatibility, check spaces in JSXText.
+     * https://github.com/eslint/eslint/issues/12614
+     */
+    checkInsideOfJSXText && nextToken !== finalToken && nextToken.type === "JSXText" && /\s/u.test(nextToken.value)) {
+      return true;
+    }
+
+    currentToken = nextToken;
+  }
+
+  return false;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+class SourceCode extends TokenStore {
+  /**
+   * Represents parsed source code.
+   * @param {string|Object} textOrConfig The source code text or config object.
+   * @param {string} textOrConfig.text The source code text.
+   * @param {ASTNode} textOrConfig.ast The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+   * @param {Object|null} textOrConfig.parserServices The parser services.
+   * @param {ScopeManager|null} textOrConfig.scopeManager The scope of this source code.
+   * @param {Object|null} textOrConfig.visitorKeys The visitor keys to traverse AST.
+   * @param {ASTNode} [astIfNoConfig] The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+   */
+  constructor(textOrConfig, astIfNoConfig) {
+    let text, ast, parserServices, scopeManager, visitorKeys; // Process overloading.
+
+    if (typeof textOrConfig === "string") {
+      text = textOrConfig;
+      ast = astIfNoConfig;
+    } else if (typeof textOrConfig === "object" && textOrConfig !== null) {
+      text = textOrConfig.text;
+      ast = textOrConfig.ast;
+      parserServices = textOrConfig.parserServices;
+      scopeManager = textOrConfig.scopeManager;
+      visitorKeys = textOrConfig.visitorKeys;
+    }
+
+    validate(ast);
+    super(ast.tokens, ast.comments);
+    /**
+     * The flag to indicate that the source code has Unicode BOM.
+     * @type boolean
+     */
+
+    this.hasBOM = text.charCodeAt(0) === 0xFEFF;
+    /**
+     * The original text source code.
+     * BOM was stripped from this text.
+     * @type string
+     */
+
+    this.text = this.hasBOM ? text.slice(1) : text;
+    /**
+     * The parsed AST for the source code.
+     * @type ASTNode
+     */
+
+    this.ast = ast;
+    /**
+     * The parser services of this source code.
+     * @type {Object}
+     */
+
+    this.parserServices = parserServices || {};
+    /**
+     * The scope of this source code.
+     * @type {ScopeManager|null}
+     */
+
+    this.scopeManager = scopeManager || null;
+    /**
+     * The visitor keys to traverse AST.
+     * @type {Object}
+     */
+
+    this.visitorKeys = visitorKeys || Traverser.DEFAULT_VISITOR_KEYS; // Check the source text for the presence of a shebang since it is parsed as a standard line comment.
+
+    const shebangMatched = this.text.match(astUtils.shebangPattern);
+    const hasShebang = shebangMatched && ast.comments.length && ast.comments[0].value === shebangMatched[1];
+
+    if (hasShebang) {
+      ast.comments[0].type = "Shebang";
+    }
+
+    this.tokensAndComments = sortedMerge(ast.tokens, ast.comments);
+    /**
+     * The source code split into lines according to ECMA-262 specification.
+     * This is done to avoid each rule needing to do so separately.
+     * @type string[]
+     */
+
+    this.lines = [];
+    this.lineStartIndices = [0];
+    const lineEndingPattern = astUtils.createGlobalLinebreakMatcher();
+    let match;
+    /*
+     * Previously, this was implemented using a regex that
+     * matched a sequence of non-linebreak characters followed by a
+     * linebreak, then adding the lengths of the matches. However,
+     * this caused a catastrophic backtracking issue when the end
+     * of a file contained a large number of non-newline characters.
+     * To avoid this, the current implementation just matches newlines
+     * and uses match.index to get the correct line start indices.
+     */
+
+    while (match = lineEndingPattern.exec(this.text)) {
+      this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1], match.index));
+      this.lineStartIndices.push(match.index + match[0].length);
+    }
+
+    this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1])); // Cache for comments found using getComments().
+
+    this._commentCache = new WeakMap(); // don't allow modification of this object
+
+    Object.freeze(this);
+    Object.freeze(this.lines);
+  }
+  /**
+   * Split the source code into multiple lines based on the line delimiters.
+   * @param {string} text Source code as a string.
+   * @returns {string[]} Array of source code lines.
+   * @public
+   */
+
+
+  static splitLines(text) {
+    return text.split(astUtils.createGlobalLinebreakMatcher());
+  }
+  /**
+   * Gets the source code for the given node.
+   * @param {ASTNode} [node] The AST node to get the text for.
+   * @param {int} [beforeCount] The number of characters before the node to retrieve.
+   * @param {int} [afterCount] The number of characters after the node to retrieve.
+   * @returns {string} The text representing the AST node.
+   * @public
+   */
+
+
+  getText(node, beforeCount, afterCount) {
+    if (node) {
+      return this.text.slice(Math.max(node.range[0] - (beforeCount || 0), 0), node.range[1] + (afterCount || 0));
+    }
+
+    return this.text;
+  }
+  /**
+   * Gets the entire source text split into an array of lines.
+   * @returns {Array} The source text as an array of lines.
+   * @public
+   */
+
+
+  getLines() {
+    return this.lines;
+  }
+  /**
+   * Retrieves an array containing all comments in the source code.
+   * @returns {ASTNode[]} An array of comment nodes.
+   * @public
+   */
+
+
+  getAllComments() {
+    return this.ast.comments;
+  }
+  /**
+   * Gets all comments for the given node.
+   * @param {ASTNode} node The AST node to get the comments for.
+   * @returns {Object} An object containing a leading and trailing array
+   *      of comments indexed by their position.
+   * @public
+   */
+
+
+  getComments(node) {
+    if (this._commentCache.has(node)) {
+      return this._commentCache.get(node);
+    }
+
+    const comments = {
+      leading: [],
+      trailing: []
+    };
+    /*
+     * Return all comments as leading comments of the Program node when
+     * there is no executable code.
+     */
+
+    if (node.type === "Program") {
+      if (node.body.length === 0) {
+        comments.leading = node.comments;
+      }
+    } else {
+      /*
+       * Return comments as trailing comments of nodes that only contain
+       * comments (to mimic the comment attachment behavior present in Espree).
+       */
+      if ((node.type === "BlockStatement" || node.type === "ClassBody") && node.body.length === 0 || node.type === "ObjectExpression" && node.properties.length === 0 || node.type === "ArrayExpression" && node.elements.length === 0 || node.type === "SwitchStatement" && node.cases.length === 0) {
+        comments.trailing = this.getTokens(node, {
+          includeComments: true,
+          filter: isCommentToken
+        });
+      }
+      /*
+       * Iterate over tokens before and after node and collect comment tokens.
+       * Do not include comments that exist outside of the parent node
+       * to avoid duplication.
+       */
+
+
+      let currentToken = this.getTokenBefore(node, {
+        includeComments: true
+      });
+
+      while (currentToken && isCommentToken(currentToken)) {
+        if (node.parent && currentToken.start < node.parent.start) {
+          break;
+        }
+
+        comments.leading.push(currentToken);
+        currentToken = this.getTokenBefore(currentToken, {
+          includeComments: true
+        });
+      }
+
+      comments.leading.reverse();
+      currentToken = this.getTokenAfter(node, {
+        includeComments: true
+      });
+
+      while (currentToken && isCommentToken(currentToken)) {
+        if (node.parent && currentToken.end > node.parent.end) {
+          break;
+        }
+
+        comments.trailing.push(currentToken);
+        currentToken = this.getTokenAfter(currentToken, {
+          includeComments: true
+        });
+      }
+    }
+
+    this._commentCache.set(node, comments);
+
+    return comments;
+  }
+  /**
+   * Retrieves the JSDoc comment for a given node.
+   * @param {ASTNode} node The AST node to get the comment for.
+   * @returns {Token|null} The Block comment token containing the JSDoc comment
+   *      for the given node or null if not found.
+   * @public
+   * @deprecated
+   */
+
+
+  getJSDocComment(node) {
+    /**
+     * Checks for the presence of a JSDoc comment for the given node and returns it.
+     * @param {ASTNode} astNode The AST node to get the comment for.
+     * @returns {Token|null} The Block comment token containing the JSDoc comment
+     *      for the given node or null if not found.
+     * @private
+     */
+    const findJSDocComment = astNode => {
+      const tokenBefore = this.getTokenBefore(astNode, {
+        includeComments: true
+      });
+
+      if (tokenBefore && isCommentToken(tokenBefore) && tokenBefore.type === "Block" && tokenBefore.value.charAt(0) === "*" && astNode.loc.start.line - tokenBefore.loc.end.line <= 1) {
+        return tokenBefore;
+      }
+
+      return null;
+    };
+
+    let parent = node.parent;
+
+    switch (node.type) {
+      case "ClassDeclaration":
+      case "FunctionDeclaration":
+        return findJSDocComment(looksLikeExport(parent) ? parent : node);
+
+      case "ClassExpression":
+        return findJSDocComment(parent.parent);
+
+      case "ArrowFunctionExpression":
+      case "FunctionExpression":
+        if (parent.type !== "CallExpression" && parent.type !== "NewExpression") {
+          while (!this.getCommentsBefore(parent).length && !/Function/u.test(parent.type) && parent.type !== "MethodDefinition" && parent.type !== "Property") {
+            parent = parent.parent;
+
+            if (!parent) {
+              break;
+            }
+          }
+
+          if (parent && parent.type !== "FunctionDeclaration" && parent.type !== "Program") {
+            return findJSDocComment(parent);
+          }
+        }
+
+        return findJSDocComment(node);
+      // falls through
+
+      default:
+        return null;
+    }
+  }
+  /**
+   * Gets the deepest node containing a range index.
+   * @param {int} index Range index of the desired node.
+   * @returns {ASTNode} The node if found or null if not found.
+   * @public
+   */
+
+
+  getNodeByRangeIndex(index) {
+    let result = null;
+    Traverser.traverse(this.ast, {
+      visitorKeys: this.visitorKeys,
+
+      enter(node) {
+        if (node.range[0] <= index && index < node.range[1]) {
+          result = node;
+        } else {
+          this.skip();
+        }
+      },
+
+      leave(node) {
+        if (node === result) {
+          this.break();
+        }
+      }
+
+    });
+    return result;
+  }
+  /**
+   * Determines if two nodes or tokens have at least one whitespace character
+   * between them. Order does not matter. Returns false if the given nodes or
+   * tokens overlap.
+   * @param {ASTNode|Token} first The first node or token to check between.
+   * @param {ASTNode|Token} second The second node or token to check between.
+   * @returns {boolean} True if there is a whitespace character between
+   * any of the tokens found between the two given nodes or tokens.
+   * @public
+   */
+
+
+  isSpaceBetween(first, second) {
+    return isSpaceBetween(this, first, second, false);
+  }
+  /**
+   * Determines if two nodes or tokens have at least one whitespace character
+   * between them. Order does not matter. Returns false if the given nodes or
+   * tokens overlap.
+   * For backward compatibility, this method returns true if there are
+   * `JSXText` tokens that contain whitespaces between the two.
+   * @param {ASTNode|Token} first The first node or token to check between.
+   * @param {ASTNode|Token} second The second node or token to check between.
+   * @returns {boolean} True if there is a whitespace character between
+   * any of the tokens found between the two given nodes or tokens.
+   * @deprecated in favor of isSpaceBetween().
+   * @public
+   */
+
+
+  isSpaceBetweenTokens(first, second) {
+    return isSpaceBetween(this, first, second, true);
+  }
+  /**
+   * Converts a source text index into a (line, column) pair.
+   * @param {number} index The index of a character in a file
+   * @returns {Object} A {line, column} location object with a 0-indexed column
+   * @public
+   */
+
+
+  getLocFromIndex(index) {
+    if (typeof index !== "number") {
+      throw new TypeError("Expected `index` to be a number.");
+    }
+
+    if (index < 0 || index > this.text.length) {
+      throw new RangeError("Index out of range (requested index ".concat(index, ", but source text has length ").concat(this.text.length, ")."));
+    }
+    /*
+     * For an argument of this.text.length, return the location one "spot" past the last character
+     * of the file. If the last character is a linebreak, the location will be column 0 of the next
+     * line; otherwise, the location will be in the next column on the same line.
+     *
+     * See getIndexFromLoc for the motivation for this special case.
+     */
+
+
+    if (index === this.text.length) {
+      return {
+        line: this.lines.length,
+        column: this.lines[this.lines.length - 1].length
+      };
+    }
+    /*
+     * To figure out which line rangeIndex is on, determine the last index at which rangeIndex could
+     * be inserted into lineIndices to keep the list sorted.
+     */
+
+
+    const lineNumber = lodash.sortedLastIndex(this.lineStartIndices, index);
+    return {
+      line: lineNumber,
+      column: index - this.lineStartIndices[lineNumber - 1]
+    };
+  }
+  /**
+   * Converts a (line, column) pair into a range index.
+   * @param {Object} loc A line/column location
+   * @param {number} loc.line The line number of the location (1-indexed)
+   * @param {number} loc.column The column number of the location (0-indexed)
+   * @returns {number} The range index of the location in the file.
+   * @public
+   */
+
+
+  getIndexFromLoc(loc) {
+    if (typeof loc !== "object" || typeof loc.line !== "number" || typeof loc.column !== "number") {
+      throw new TypeError("Expected `loc` to be an object with numeric `line` and `column` properties.");
+    }
+
+    if (loc.line <= 0) {
+      throw new RangeError("Line number out of range (line ".concat(loc.line, " requested). Line numbers should be 1-based."));
+    }
+
+    if (loc.line > this.lineStartIndices.length) {
+      throw new RangeError("Line number out of range (line ".concat(loc.line, " requested, but only ").concat(this.lineStartIndices.length, " lines present)."));
+    }
+
+    const lineStartIndex = this.lineStartIndices[loc.line - 1];
+    const lineEndIndex = loc.line === this.lineStartIndices.length ? this.text.length : this.lineStartIndices[loc.line];
+    const positionIndex = lineStartIndex + loc.column;
+    /*
+     * By design, getIndexFromLoc({ line: lineNum, column: 0 }) should return the start index of
+     * the given line, provided that the line number is valid element of this.lines. Since the
+     * last element of this.lines is an empty string for files with trailing newlines, add a
+     * special case where getting the index for the first location after the end of the file
+     * will return the length of the file, rather than throwing an error. This allows rules to
+     * use getIndexFromLoc consistently without worrying about edge cases at the end of a file.
+     */
+
+    if (loc.line === this.lineStartIndices.length && positionIndex > lineEndIndex || loc.line < this.lineStartIndices.length && positionIndex >= lineEndIndex) {
+      throw new RangeError("Column number out of range (column ".concat(loc.column, " requested, but the length of line ").concat(loc.line, " is ").concat(lineEndIndex - lineStartIndex, ")."));
+    }
+
+    return positionIndex;
+  }
+
+}
+
+module.exports = SourceCode;
+
+/***/ }),
+/* 777 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Object to handle access and retrieval of tokens.
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = __webpack_require__(379);
+
+const {
+  isCommentToken
+} = __webpack_require__(549);
+
+const cursors = __webpack_require__(778);
+
+const ForwardTokenCursor = __webpack_require__(786);
+
+const PaddedTokenCursor = __webpack_require__(789);
+
+const utils = __webpack_require__(781); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const TOKENS = Symbol("tokens");
+const COMMENTS = Symbol("comments");
+const INDEX_MAP = Symbol("indexMap");
+/**
+ * Creates the map from locations to indices in `tokens`.
+ *
+ * The first/last location of tokens is mapped to the index of the token.
+ * The first/last location of comments is mapped to the index of the next token of each comment.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @returns {Object} The map from locations to indices in `tokens`.
+ * @private
+ */
+
+function createIndexMap(tokens, comments) {
+  const map = Object.create(null);
+  let tokenIndex = 0;
+  let commentIndex = 0;
+  let nextStart = 0;
+  let range = null;
+
+  while (tokenIndex < tokens.length || commentIndex < comments.length) {
+    nextStart = commentIndex < comments.length ? comments[commentIndex].range[0] : Number.MAX_SAFE_INTEGER;
+
+    while (tokenIndex < tokens.length && (range = tokens[tokenIndex].range)[0] < nextStart) {
+      map[range[0]] = tokenIndex;
+      map[range[1] - 1] = tokenIndex;
+      tokenIndex += 1;
+    }
+
+    nextStart = tokenIndex < tokens.length ? tokens[tokenIndex].range[0] : Number.MAX_SAFE_INTEGER;
+
+    while (commentIndex < comments.length && (range = comments[commentIndex].range)[0] < nextStart) {
+      map[range[0]] = tokenIndex;
+      map[range[1] - 1] = tokenIndex;
+      commentIndex += 1;
+    }
+  }
+
+  return map;
+}
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.skip`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments=false] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.skip=0] The count of tokens the cursor skips.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+
+
+function createCursorWithSkip(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+  let includeComments = false;
+  let skip = 0;
+  let filter = null;
+
+  if (typeof opts === "number") {
+    skip = opts | 0;
+  } else if (typeof opts === "function") {
+    filter = opts;
+  } else if (opts) {
+    includeComments = !!opts.includeComments;
+    skip = opts.skip | 0;
+    filter = opts.filter || null;
+  }
+
+  assert(skip >= 0, "options.skip should be zero or a positive integer.");
+  assert(!filter || typeof filter === "function", "options.filter should be a function.");
+  return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, -1);
+}
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.count`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+
+
+function createCursorWithCount(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+  let includeComments = false;
+  let count = 0;
+  let countExists = false;
+  let filter = null;
+
+  if (typeof opts === "number") {
+    count = opts | 0;
+    countExists = true;
+  } else if (typeof opts === "function") {
+    filter = opts;
+  } else if (opts) {
+    includeComments = !!opts.includeComments;
+    count = opts.count | 0;
+    countExists = typeof opts.count === "number";
+    filter = opts.filter || null;
+  }
+
+  assert(count >= 0, "options.count should be zero or a positive integer.");
+  assert(!filter || typeof filter === "function", "options.filter should be a function.");
+  return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, 0, countExists ? count : -1);
+}
+/**
+ * Creates the cursor iterates tokens with options.
+ * This is overload function of the below.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {Function|Object} opts The option object. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number} [beforeCount=0] The number of tokens before the node to retrieve.
+ * @param {boolean} [afterCount=0] The number of tokens after the node to retrieve.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+
+
+function createCursorWithPadding(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+  if (typeof beforeCount === "undefined" && typeof afterCount === "undefined") {
+    return new ForwardTokenCursor(tokens, comments, indexMap, startLoc, endLoc);
+  }
+
+  if (typeof beforeCount === "number" || typeof beforeCount === "undefined") {
+    return new PaddedTokenCursor(tokens, comments, indexMap, startLoc, endLoc, beforeCount | 0, afterCount | 0);
+  }
+
+  return createCursorWithCount(cursors.forward, tokens, comments, indexMap, startLoc, endLoc, beforeCount);
+}
+/**
+ * Gets comment tokens that are adjacent to the current cursor position.
+ * @param {Cursor} cursor A cursor instance.
+ * @returns {Array} An array of comment tokens adjacent to the current cursor position.
+ * @private
+ */
+
+
+function getAdjacentCommentTokensFromCursor(cursor) {
+  const tokens = [];
+  let currentToken = cursor.getOneToken();
+
+  while (currentToken && isCommentToken(currentToken)) {
+    tokens.push(currentToken);
+    currentToken = cursor.getOneToken();
+  }
+
+  return tokens;
+} //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The token store.
+ *
+ * This class provides methods to get tokens by locations as fast as possible.
+ * The methods are a part of public API, so we should be careful if it changes this class.
+ *
+ * People can get tokens in O(1) by the hash map which is mapping from the location of tokens/comments to tokens.
+ * Also people can get a mix of tokens and comments in O(log k), the k is the number of comments.
+ * Assuming that comments to be much fewer than tokens, this does not make hash map from token's locations to comments to reduce memory cost.
+ * This uses binary-searching instead for comments.
+ */
+
+
+module.exports = class TokenStore {
+  /**
+   * Initializes this token store.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   */
+  constructor(tokens, comments) {
+    this[TOKENS] = tokens;
+    this[COMMENTS] = comments;
+    this[INDEX_MAP] = createIndexMap(tokens, comments);
+  } //--------------------------------------------------------------------------
+  // Gets single token.
+  //--------------------------------------------------------------------------
+
+  /**
+   * Gets the token starting at the specified index.
+   * @param {number} offset Index of the start of the token's range.
+   * @param {Object} [options=0] The option object.
+   * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+   * @returns {Token|null} The token starting at index, or null if no such token.
+   */
+
+
+  getTokenByRangeStart(offset, options) {
+    const includeComments = options && options.includeComments;
+    const token = cursors.forward.createBaseCursor(this[TOKENS], this[COMMENTS], this[INDEX_MAP], offset, -1, includeComments).getOneToken();
+
+    if (token && token.range[0] === offset) {
+      return token;
+    }
+
+    return null;
+  }
+  /**
+   * Gets the first token of the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.skip`. If this is a function then it's `options.filter`.
+   * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+   * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+   * @param {number} [options.skip=0] The count of tokens the cursor skips.
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getFirstToken(node, options) {
+    return createCursorWithSkip(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[0], node.range[1], options).getOneToken();
+  }
+  /**
+   * Gets the last token of the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getLastToken(node, options) {
+    return createCursorWithSkip(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[0], node.range[1], options).getOneToken();
+  }
+  /**
+   * Gets the token that precedes a given node or token.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getTokenBefore(node, options) {
+    return createCursorWithSkip(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], -1, node.range[0], options).getOneToken();
+  }
+  /**
+   * Gets the token that follows a given node or token.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getTokenAfter(node, options) {
+    return createCursorWithSkip(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[1], -1, options).getOneToken();
+  }
+  /**
+   * Gets the first token between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getFirstTokenBetween(left, right, options) {
+    return createCursorWithSkip(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], left.range[1], right.range[0], options).getOneToken();
+  }
+  /**
+   * Gets the last token between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+   * @returns {Token|null} An object representing the token.
+   */
+
+
+  getLastTokenBetween(left, right, options) {
+    return createCursorWithSkip(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], left.range[1], right.range[0], options).getOneToken();
+  }
+  /**
+   * Gets the token that precedes a given node or token in the token stream.
+   * This is defined for backward compatibility. Use `includeComments` option instead.
+   * TODO: We have a plan to remove this in a future major version.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number} [skip=0] A number of tokens to skip.
+   * @returns {Token|null} An object representing the token.
+   * @deprecated
+   */
+
+
+  getTokenOrCommentBefore(node, skip) {
+    return this.getTokenBefore(node, {
+      includeComments: true,
+      skip
+    });
+  }
+  /**
+   * Gets the token that follows a given node or token in the token stream.
+   * This is defined for backward compatibility. Use `includeComments` option instead.
+   * TODO: We have a plan to remove this in a future major version.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number} [skip=0] A number of tokens to skip.
+   * @returns {Token|null} An object representing the token.
+   * @deprecated
+   */
+
+
+  getTokenOrCommentAfter(node, skip) {
+    return this.getTokenAfter(node, {
+      includeComments: true,
+      skip
+    });
+  } //--------------------------------------------------------------------------
+  // Gets multiple tokens.
+  //--------------------------------------------------------------------------
+
+  /**
+   * Gets the first `count` tokens of the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.count`. If this is a function then it's `options.filter`.
+   * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+   * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+   * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+   * @returns {Token[]} Tokens.
+   */
+
+
+  getFirstTokens(node, options) {
+    return createCursorWithCount(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[0], node.range[1], options).getAllTokens();
+  }
+  /**
+   * Gets the last `count` tokens of the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+   * @returns {Token[]} Tokens.
+   */
+
+
+  getLastTokens(node, options) {
+    return createCursorWithCount(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[0], node.range[1], options).getAllTokens().reverse();
+  }
+  /**
+   * Gets the `count` tokens that precedes a given node or token.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+   * @returns {Token[]} Tokens.
+   */
+
+
+  getTokensBefore(node, options) {
+    return createCursorWithCount(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], -1, node.range[0], options).getAllTokens().reverse();
+  }
+  /**
+   * Gets the `count` tokens that follows a given node or token.
+   * @param {ASTNode|Token|Comment} node The AST node or token.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+   * @returns {Token[]} Tokens.
+   */
+
+
+  getTokensAfter(node, options) {
+    return createCursorWithCount(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[1], -1, options).getAllTokens();
+  }
+  /**
+   * Gets the first `count` tokens between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+   * @returns {Token[]} Tokens between left and right.
+   */
+
+
+  getFirstTokensBetween(left, right, options) {
+    return createCursorWithCount(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], left.range[1], right.range[0], options).getAllTokens();
+  }
+  /**
+   * Gets the last `count` tokens between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+   * @returns {Token[]} Tokens between left and right.
+   */
+
+
+  getLastTokensBetween(left, right, options) {
+    return createCursorWithCount(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], left.range[1], right.range[0], options).getAllTokens().reverse();
+  }
+  /**
+   * Gets all tokens that are related to the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+   * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+   * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+   * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+   * @returns {Token[]} Array of objects representing tokens.
+   */
+
+  /**
+   * Gets all tokens that are related to the given node.
+   * @param {ASTNode} node The AST node.
+   * @param {int} [beforeCount=0] The number of tokens before the node to retrieve.
+   * @param {int} [afterCount=0] The number of tokens after the node to retrieve.
+   * @returns {Token[]} Array of objects representing tokens.
+   */
+
+
+  getTokens(node, beforeCount, afterCount) {
+    return createCursorWithPadding(this[TOKENS], this[COMMENTS], this[INDEX_MAP], node.range[0], node.range[1], beforeCount, afterCount).getAllTokens();
+  }
+  /**
+   * Gets all of the tokens between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+   * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+   * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+   * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+   * @returns {Token[]} Tokens between left and right.
+   */
+
+  /**
+   * Gets all of the tokens between two non-overlapping nodes.
+   * @param {ASTNode|Token|Comment} left Node before the desired token range.
+   * @param {ASTNode|Token|Comment} right Node after the desired token range.
+   * @param {int} [padding=0] Number of extra tokens on either side of center.
+   * @returns {Token[]} Tokens between left and right.
+   */
+
+
+  getTokensBetween(left, right, padding) {
+    return createCursorWithPadding(this[TOKENS], this[COMMENTS], this[INDEX_MAP], left.range[1], right.range[0], padding, padding).getAllTokens();
+  } //--------------------------------------------------------------------------
+  // Others.
+  //--------------------------------------------------------------------------
+
+  /**
+   * Checks whether any comments exist or not between the given 2 nodes.
+   * @param {ASTNode} left The node to check.
+   * @param {ASTNode} right The node to check.
+   * @returns {boolean} `true` if one or more comments exist.
+   */
+
+
+  commentsExistBetween(left, right) {
+    const index = utils.search(this[COMMENTS], left.range[1]);
+    return index < this[COMMENTS].length && this[COMMENTS][index].range[1] <= right.range[0];
+  }
+  /**
+   * Gets all comment tokens directly before the given node or token.
+   * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+   * @returns {Array} An array of comments in occurrence order.
+   */
+
+
+  getCommentsBefore(nodeOrToken) {
+    const cursor = createCursorWithCount(cursors.backward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], -1, nodeOrToken.range[0], {
+      includeComments: true
+    });
+    return getAdjacentCommentTokensFromCursor(cursor).reverse();
+  }
+  /**
+   * Gets all comment tokens directly after the given node or token.
+   * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+   * @returns {Array} An array of comments in occurrence order.
+   */
+
+
+  getCommentsAfter(nodeOrToken) {
+    const cursor = createCursorWithCount(cursors.forward, this[TOKENS], this[COMMENTS], this[INDEX_MAP], nodeOrToken.range[1], -1, {
+      includeComments: true
+    });
+    return getAdjacentCommentTokensFromCursor(cursor);
+  }
+  /**
+   * Gets all comment tokens inside the given node.
+   * @param {ASTNode} node The AST node to get the comments for.
+   * @returns {Array} An array of comments in occurrence order.
+   */
+
+
+  getCommentsInside(node) {
+    return this.getTokens(node, {
+      includeComments: true,
+      filter: isCommentToken
+    });
+  }
+
+};
+
+/***/ }),
+/* 778 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define 2 token factories; forward and backward.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const BackwardTokenCommentCursor = __webpack_require__(779);
+
+const BackwardTokenCursor = __webpack_require__(782);
+
+const FilterCursor = __webpack_require__(783);
+
+const ForwardTokenCommentCursor = __webpack_require__(785);
+
+const ForwardTokenCursor = __webpack_require__(786);
+
+const LimitCursor = __webpack_require__(787);
+
+const SkipCursor = __webpack_require__(788); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor factory.
+ * @private
+ */
+
+
+class CursorFactory {
+  /**
+   * Initializes this cursor.
+   * @param {Function} TokenCursor The class of the cursor which iterates tokens only.
+   * @param {Function} TokenCommentCursor The class of the cursor which iterates the mix of tokens and comments.
+   */
+  constructor(TokenCursor, TokenCommentCursor) {
+    this.TokenCursor = TokenCursor;
+    this.TokenCommentCursor = TokenCommentCursor;
+  }
+  /**
+   * Creates a base cursor instance that can be decorated by createCursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   * @param {boolean} includeComments The flag to iterate comments as well.
+   * @returns {Cursor} The created base cursor.
+   */
+
+
+  createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments) {
+    const Cursor = includeComments ? this.TokenCommentCursor : this.TokenCursor;
+    return new Cursor(tokens, comments, indexMap, startLoc, endLoc);
+  }
+  /**
+   * Creates a cursor that iterates tokens with normalized options.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   * @param {boolean} includeComments The flag to iterate comments as well.
+   * @param {Function|null} filter The predicate function to choose tokens.
+   * @param {number} skip The count of tokens the cursor skips.
+   * @param {number} count The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+   * @returns {Cursor} The created cursor.
+   */
+
+
+  createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, count) {
+    let cursor = this.createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments);
+
+    if (filter) {
+      cursor = new FilterCursor(cursor, filter);
+    }
+
+    if (skip >= 1) {
+      cursor = new SkipCursor(cursor, skip);
+    }
+
+    if (count >= 0) {
+      cursor = new LimitCursor(cursor, count);
+    }
+
+    return cursor;
+  }
+
+} //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+
+exports.forward = new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor);
+exports.backward = new CursorFactory(BackwardTokenCursor, BackwardTokenCommentCursor);
+
+/***/ }),
+/* 779 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments in reverse.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = __webpack_require__(780);
+
+const utils = __webpack_require__(781); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments in reverse.
+ */
+
+
+module.exports = class BackwardTokenCommentCursor extends Cursor {
+  /**
+   * Initializes this cursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   */
+  constructor(tokens, comments, indexMap, startLoc, endLoc) {
+    super();
+    this.tokens = tokens;
+    this.comments = comments;
+    this.tokenIndex = utils.getLastIndex(tokens, indexMap, endLoc);
+    this.commentIndex = utils.search(comments, endLoc) - 1;
+    this.border = startLoc;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    const token = this.tokenIndex >= 0 ? this.tokens[this.tokenIndex] : null;
+    const comment = this.commentIndex >= 0 ? this.comments[this.commentIndex] : null;
+
+    if (token && (!comment || token.range[1] > comment.range[1])) {
+      this.current = token;
+      this.tokenIndex -= 1;
+    } else if (comment) {
+      this.current = comment;
+      this.commentIndex -= 1;
+    } else {
+      this.current = null;
+    }
+
+    return Boolean(this.current) && (this.border === -1 || this.current.range[0] >= this.border);
+  }
+
+};
+
+/***/ }),
+/* 780 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the abstract class about cursors which iterate tokens.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which iterate tokens.
+ *
+ * This class has 2 abstract methods.
+ *
+ * - `current: Token | Comment | null` ... The current token.
+ * - `moveNext(): boolean` ... Moves this cursor to the next token. If the next token didn't exist, it returns `false`.
+ *
+ * This is similar to ES2015 Iterators.
+ * However, Iterators were slow (at 2017-01), so I created this class as similar to C# IEnumerable.
+ *
+ * There are the following known sub classes.
+ *
+ * - ForwardTokenCursor .......... The cursor which iterates tokens only.
+ * - BackwardTokenCursor ......... The cursor which iterates tokens only in reverse.
+ * - ForwardTokenCommentCursor ... The cursor which iterates tokens and comments.
+ * - BackwardTokenCommentCursor .. The cursor which iterates tokens and comments in reverse.
+ * - DecorativeCursor
+ *     - FilterCursor ............ The cursor which ignores the specified tokens.
+ *     - SkipCursor .............. The cursor which ignores the first few tokens.
+ *     - LimitCursor ............. The cursor which limits the count of tokens.
+ *
+ */
+
+module.exports = class Cursor {
+  /**
+   * Initializes this cursor.
+   */
+  constructor() {
+    this.current = null;
+  }
+  /**
+   * Gets the first token.
+   * This consumes this cursor.
+   * @returns {Token|Comment} The first token or null.
+   */
+
+
+  getOneToken() {
+    return this.moveNext() ? this.current : null;
+  }
+  /**
+   * Gets the first tokens.
+   * This consumes this cursor.
+   * @returns {(Token|Comment)[]} All tokens.
+   */
+
+
+  getAllTokens() {
+    const tokens = [];
+
+    while (this.moveNext()) {
+      tokens.push(this.current);
+    }
+
+    return tokens;
+  }
+  /**
+   * Moves this cursor to the next token.
+   * @returns {boolean} `true` if the next token exists.
+   * @abstract
+   */
+
+  /* istanbul ignore next */
+
+
+  moveNext() {
+    // eslint-disable-line class-methods-use-this
+    throw new Error("Not implemented.");
+  }
+
+};
+
+/***/ }),
+/* 781 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define utility functions for token store.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets `token.range[0]` from the given token.
+ * @param {Node|Token|Comment} token The token to get.
+ * @returns {number} The start location.
+ * @private
+ */
+
+
+function getStartLocation(token) {
+  return token.range[0];
+} //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * Binary-searches the index of the first token which is after the given location.
+ * If it was not found, this returns `tokens.length`.
+ * @param {(Token|Comment)[]} tokens It searches the token in this list.
+ * @param {number} location The location to search.
+ * @returns {number} The found index or `tokens.length`.
+ */
+
+
+exports.search = function search(tokens, location) {
+  return lodash.sortedIndexBy(tokens, {
+    range: [location]
+  }, getStartLocation);
+};
+/**
+ * Gets the index of the `startLoc` in `tokens`.
+ * `startLoc` can be the value of `node.range[1]`, so this checks about `startLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} startLoc The location to get an index.
+ * @returns {number} The index.
+ */
+
+
+exports.getFirstIndex = function getFirstIndex(tokens, indexMap, startLoc) {
+  if (startLoc in indexMap) {
+    return indexMap[startLoc];
+  }
+
+  if (startLoc - 1 in indexMap) {
+    const index = indexMap[startLoc - 1];
+    const token = index >= 0 && index < tokens.length ? tokens[index] : null;
+    /*
+     * For the map of "comment's location -> token's index", it points the next token of a comment.
+     * In that case, +1 is unnecessary.
+     */
+
+    if (token && token.range[0] >= startLoc) {
+      return index;
+    }
+
+    return index + 1;
+  }
+
+  return 0;
+};
+/**
+ * Gets the index of the `endLoc` in `tokens`.
+ * The information of end locations are recorded at `endLoc - 1` in `indexMap`, so this checks about `endLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} endLoc The location to get an index.
+ * @returns {number} The index.
+ */
+
+
+exports.getLastIndex = function getLastIndex(tokens, indexMap, endLoc) {
+  if (endLoc in indexMap) {
+    return indexMap[endLoc] - 1;
+  }
+
+  if (endLoc - 1 in indexMap) {
+    const index = indexMap[endLoc - 1];
+    const token = index >= 0 && index < tokens.length ? tokens[index] : null;
+    /*
+     * For the map of "comment's location -> token's index", it points the next token of a comment.
+     * In that case, -1 is necessary.
+     */
+
+    if (token && token.range[1] > endLoc) {
+      return index - 1;
+    }
+
+    return index;
+  }
+
+  return tokens.length - 1;
+};
+
+/***/ }),
+/* 782 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which iterates tokens only in reverse.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = __webpack_require__(780);
+
+const utils = __webpack_require__(781); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only in reverse.
+ */
+
+
+module.exports = class BackwardTokenCursor extends Cursor {
+  /**
+   * Initializes this cursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   */
+  constructor(tokens, comments, indexMap, startLoc, endLoc) {
+    super();
+    this.tokens = tokens;
+    this.index = utils.getLastIndex(tokens, indexMap, endLoc);
+    this.indexEnd = utils.getFirstIndex(tokens, indexMap, startLoc);
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    if (this.index >= this.indexEnd) {
+      this.current = this.tokens[this.index];
+      this.index -= 1;
+      return true;
+    }
+
+    return false;
+  }
+  /*
+   *
+   * Shorthand for performance.
+   *
+   */
+
+  /** @inheritdoc */
+
+
+  getOneToken() {
+    return this.index >= this.indexEnd ? this.tokens[this.index] : null;
+  }
+
+};
+
+/***/ }),
+/* 783 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which ignores specified tokens.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = __webpack_require__(784); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores specified tokens.
+ */
+
+
+module.exports = class FilterCursor extends DecorativeCursor {
+  /**
+   * Initializes this cursor.
+   * @param {Cursor} cursor The cursor to be decorated.
+   * @param {Function} predicate The predicate function to decide tokens this cursor iterates.
+   */
+  constructor(cursor, predicate) {
+    super(cursor);
+    this.predicate = predicate;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    const predicate = this.predicate;
+
+    while (super.moveNext()) {
+      if (predicate(this.current)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+};
+
+/***/ }),
+/* 784 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the abstract class about cursors which manipulate another cursor.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = __webpack_require__(780); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which manipulate another cursor.
+ */
+
+
+module.exports = class DecorativeCursor extends Cursor {
+  /**
+   * Initializes this cursor.
+   * @param {Cursor} cursor The cursor to be decorated.
+   */
+  constructor(cursor) {
+    super();
+    this.cursor = cursor;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    const retv = this.cursor.moveNext();
+    this.current = this.cursor.current;
+    return retv;
+  }
+
+};
+
+/***/ }),
+/* 785 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = __webpack_require__(780);
+
+const utils = __webpack_require__(781); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments.
+ */
+
+
+module.exports = class ForwardTokenCommentCursor extends Cursor {
+  /**
+   * Initializes this cursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   */
+  constructor(tokens, comments, indexMap, startLoc, endLoc) {
+    super();
+    this.tokens = tokens;
+    this.comments = comments;
+    this.tokenIndex = utils.getFirstIndex(tokens, indexMap, startLoc);
+    this.commentIndex = utils.search(comments, startLoc);
+    this.border = endLoc;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    const token = this.tokenIndex < this.tokens.length ? this.tokens[this.tokenIndex] : null;
+    const comment = this.commentIndex < this.comments.length ? this.comments[this.commentIndex] : null;
+
+    if (token && (!comment || token.range[0] < comment.range[0])) {
+      this.current = token;
+      this.tokenIndex += 1;
+    } else if (comment) {
+      this.current = comment;
+      this.commentIndex += 1;
+    } else {
+      this.current = null;
+    }
+
+    return Boolean(this.current) && (this.border === -1 || this.current.range[1] <= this.border);
+  }
+
+};
+
+/***/ }),
+/* 786 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which iterates tokens only.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = __webpack_require__(780);
+
+const utils = __webpack_require__(781); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only.
+ */
+
+
+module.exports = class ForwardTokenCursor extends Cursor {
+  /**
+   * Initializes this cursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   */
+  constructor(tokens, comments, indexMap, startLoc, endLoc) {
+    super();
+    this.tokens = tokens;
+    this.index = utils.getFirstIndex(tokens, indexMap, startLoc);
+    this.indexEnd = utils.getLastIndex(tokens, indexMap, endLoc);
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    if (this.index <= this.indexEnd) {
+      this.current = this.tokens[this.index];
+      this.index += 1;
+      return true;
+    }
+
+    return false;
+  }
+  /*
+   *
+   * Shorthand for performance.
+   *
+   */
+
+  /** @inheritdoc */
+
+
+  getOneToken() {
+    return this.index <= this.indexEnd ? this.tokens[this.index] : null;
+  }
+  /** @inheritdoc */
+
+
+  getAllTokens() {
+    return this.tokens.slice(this.index, this.indexEnd + 1);
+  }
+
+};
+
+/***/ }),
+/* 787 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which limits the number of tokens.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = __webpack_require__(784); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which limits the number of tokens.
+ */
+
+
+module.exports = class LimitCursor extends DecorativeCursor {
+  /**
+   * Initializes this cursor.
+   * @param {Cursor} cursor The cursor to be decorated.
+   * @param {number} count The count of tokens this cursor iterates.
+   */
+  constructor(cursor, count) {
+    super(cursor);
+    this.count = count;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    if (this.count > 0) {
+      this.count -= 1;
+      return super.moveNext();
+    }
+
+    return false;
+  }
+
+};
+
+/***/ }),
+/* 788 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which ignores the first few tokens.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = __webpack_require__(784); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores the first few tokens.
+ */
+
+
+module.exports = class SkipCursor extends DecorativeCursor {
+  /**
+   * Initializes this cursor.
+   * @param {Cursor} cursor The cursor to be decorated.
+   * @param {number} count The count of tokens this cursor skips.
+   */
+  constructor(cursor, count) {
+    super(cursor);
+    this.count = count;
+  }
+  /** @inheritdoc */
+
+
+  moveNext() {
+    while (this.count > 0) {
+      this.count -= 1;
+
+      if (!super.moveNext()) {
+        return false;
+      }
+    }
+
+    return super.moveNext();
+  }
+
+};
+
+/***/ }),
+/* 789 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Define the cursor which iterates tokens only, with inflated range.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const ForwardTokenCursor = __webpack_require__(786); //------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only, with inflated range.
+ * This is for the backward compatibility of padding options.
+ */
+
+
+module.exports = class PaddedTokenCursor extends ForwardTokenCursor {
+  /**
+   * Initializes this cursor.
+   * @param {Token[]} tokens The array of tokens.
+   * @param {Comment[]} comments The array of comments.
+   * @param {Object} indexMap The map from locations to indices in `tokens`.
+   * @param {number} startLoc The start location of the iteration range.
+   * @param {number} endLoc The end location of the iteration range.
+   * @param {number} beforeCount The number of tokens this cursor iterates before start.
+   * @param {number} afterCount The number of tokens this cursor iterates after end.
+   */
+  constructor(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+    super(tokens, comments, indexMap, startLoc, endLoc);
+    this.index = Math.max(0, this.index - beforeCount);
+    this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount);
+  }
+
+};
+
+/***/ }),
+/* 790 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class of the code path analyzer.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = __webpack_require__(379),
+      {
+  breakableTypePattern
+} = __webpack_require__(409),
+      CodePath = __webpack_require__(791),
+      CodePathSegment = __webpack_require__(793),
+      IdGenerator = __webpack_require__(796),
+      debug = __webpack_require__(794); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given node is a `case` node (not `default` node).
+ * @param {ASTNode} node A `SwitchCase` node to check.
+ * @returns {boolean} `true` if the node is a `case` node (not `default` node).
+ */
+
+
+function isCaseNode(node) {
+  return Boolean(node.test);
+}
+/**
+ * Checks whether the given logical operator is taken into account for the code
+ * path analysis.
+ * @param {string} operator The operator found in the LogicalExpression node
+ * @returns {boolean} `true` if the operator is "&&" or "||"
+ */
+
+
+function isHandledLogicalOperator(operator) {
+  return operator === "&&" || operator === "||";
+}
+/**
+ * Gets the label if the parent node of a given node is a LabeledStatement.
+ * @param {ASTNode} node A node to get.
+ * @returns {string|null} The label or `null`.
+ */
+
+
+function getLabel(node) {
+  if (node.parent.type === "LabeledStatement") {
+    return node.parent.label.name;
+  }
+
+  return null;
+}
+/**
+ * Checks whether or not a given logical expression node goes different path
+ * between the `true` case and the `false` case.
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is a test of a choice statement.
+ */
+
+
+function isForkingByTrueOrFalse(node) {
+  const parent = node.parent;
+
+  switch (parent.type) {
+    case "ConditionalExpression":
+    case "IfStatement":
+    case "WhileStatement":
+    case "DoWhileStatement":
+    case "ForStatement":
+      return parent.test === node;
+
+    case "LogicalExpression":
+      return isHandledLogicalOperator(parent.operator);
+
+    default:
+      return false;
+  }
+}
+/**
+ * Gets the boolean value of a given literal node.
+ *
+ * This is used to detect infinity loops (e.g. `while (true) {}`).
+ * Statements preceded by an infinity loop are unreachable if the loop didn't
+ * have any `break` statement.
+ * @param {ASTNode} node A node to get.
+ * @returns {boolean|undefined} a boolean value if the node is a Literal node,
+ *   otherwise `undefined`.
+ */
+
+
+function getBooleanValueIfSimpleConstant(node) {
+  if (node.type === "Literal") {
+    return Boolean(node.value);
+  }
+
+  return void 0;
+}
+/**
+ * Checks that a given identifier node is a reference or not.
+ *
+ * This is used to detect the first throwable node in a `try` block.
+ * @param {ASTNode} node An Identifier node to check.
+ * @returns {boolean} `true` if the node is a reference.
+ */
+
+
+function isIdentifierReference(node) {
+  const parent = node.parent;
+
+  switch (parent.type) {
+    case "LabeledStatement":
+    case "BreakStatement":
+    case "ContinueStatement":
+    case "ArrayPattern":
+    case "RestElement":
+    case "ImportSpecifier":
+    case "ImportDefaultSpecifier":
+    case "ImportNamespaceSpecifier":
+    case "CatchClause":
+      return false;
+
+    case "FunctionDeclaration":
+    case "FunctionExpression":
+    case "ArrowFunctionExpression":
+    case "ClassDeclaration":
+    case "ClassExpression":
+    case "VariableDeclarator":
+      return parent.id !== node;
+
+    case "Property":
+    case "MethodDefinition":
+      return parent.key !== node || parent.computed || parent.shorthand;
+
+    case "AssignmentPattern":
+      return parent.key !== node;
+
+    default:
+      return true;
+  }
+}
+/**
+ * Updates the current segment with the head segment.
+ * This is similar to local branches and tracking branches of git.
+ *
+ * To separate the current and the head is in order to not make useless segments.
+ *
+ * In this process, both "onCodePathSegmentStart" and "onCodePathSegmentEnd"
+ * events are fired.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function forwardCurrentToHead(analyzer, node) {
+  const codePath = analyzer.codePath;
+  const state = CodePath.getState(codePath);
+  const currentSegments = state.currentSegments;
+  const headSegments = state.headSegments;
+  const end = Math.max(currentSegments.length, headSegments.length);
+  let i, currentSegment, headSegment; // Fires leaving events.
+
+  for (i = 0; i < end; ++i) {
+    currentSegment = currentSegments[i];
+    headSegment = headSegments[i];
+
+    if (currentSegment !== headSegment && currentSegment) {
+      debug.dump("onCodePathSegmentEnd ".concat(currentSegment.id));
+
+      if (currentSegment.reachable) {
+        analyzer.emitter.emit("onCodePathSegmentEnd", currentSegment, node);
+      }
+    }
+  } // Update state.
+
+
+  state.currentSegments = headSegments; // Fires entering events.
+
+  for (i = 0; i < end; ++i) {
+    currentSegment = currentSegments[i];
+    headSegment = headSegments[i];
+
+    if (currentSegment !== headSegment && headSegment) {
+      debug.dump("onCodePathSegmentStart ".concat(headSegment.id));
+      CodePathSegment.markUsed(headSegment);
+
+      if (headSegment.reachable) {
+        analyzer.emitter.emit("onCodePathSegmentStart", headSegment, node);
+      }
+    }
+  }
+}
+/**
+ * Updates the current segment with empty.
+ * This is called at the last of functions or the program.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function leaveFromCurrentSegment(analyzer, node) {
+  const state = CodePath.getState(analyzer.codePath);
+  const currentSegments = state.currentSegments;
+
+  for (let i = 0; i < currentSegments.length; ++i) {
+    const currentSegment = currentSegments[i];
+    debug.dump("onCodePathSegmentEnd ".concat(currentSegment.id));
+
+    if (currentSegment.reachable) {
+      analyzer.emitter.emit("onCodePathSegmentEnd", currentSegment, node);
+    }
+  }
+
+  state.currentSegments = [];
+}
+/**
+ * Updates the code path due to the position of a given node in the parent node
+ * thereof.
+ *
+ * For example, if the node is `parent.consequent`, this creates a fork from the
+ * current path.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function preprocess(analyzer, node) {
+  const codePath = analyzer.codePath;
+  const state = CodePath.getState(codePath);
+  const parent = node.parent;
+
+  switch (parent.type) {
+    case "LogicalExpression":
+      if (parent.right === node && isHandledLogicalOperator(parent.operator)) {
+        state.makeLogicalRight();
+      }
+
+      break;
+
+    case "ConditionalExpression":
+    case "IfStatement":
+      /*
+       * Fork if this node is at `consequent`/`alternate`.
+       * `popForkContext()` exists at `IfStatement:exit` and
+       * `ConditionalExpression:exit`.
+       */
+      if (parent.consequent === node) {
+        state.makeIfConsequent();
+      } else if (parent.alternate === node) {
+        state.makeIfAlternate();
+      }
+
+      break;
+
+    case "SwitchCase":
+      if (parent.consequent[0] === node) {
+        state.makeSwitchCaseBody(false, !parent.test);
+      }
+
+      break;
+
+    case "TryStatement":
+      if (parent.handler === node) {
+        state.makeCatchBlock();
+      } else if (parent.finalizer === node) {
+        state.makeFinallyBlock();
+      }
+
+      break;
+
+    case "WhileStatement":
+      if (parent.test === node) {
+        state.makeWhileTest(getBooleanValueIfSimpleConstant(node));
+      } else {
+        assert(parent.body === node);
+        state.makeWhileBody();
+      }
+
+      break;
+
+    case "DoWhileStatement":
+      if (parent.body === node) {
+        state.makeDoWhileBody();
+      } else {
+        assert(parent.test === node);
+        state.makeDoWhileTest(getBooleanValueIfSimpleConstant(node));
+      }
+
+      break;
+
+    case "ForStatement":
+      if (parent.test === node) {
+        state.makeForTest(getBooleanValueIfSimpleConstant(node));
+      } else if (parent.update === node) {
+        state.makeForUpdate();
+      } else if (parent.body === node) {
+        state.makeForBody();
+      }
+
+      break;
+
+    case "ForInStatement":
+    case "ForOfStatement":
+      if (parent.left === node) {
+        state.makeForInOfLeft();
+      } else if (parent.right === node) {
+        state.makeForInOfRight();
+      } else {
+        assert(parent.body === node);
+        state.makeForInOfBody();
+      }
+
+      break;
+
+    case "AssignmentPattern":
+      /*
+       * Fork if this node is at `right`.
+       * `left` is executed always, so it uses the current path.
+       * `popForkContext()` exists at `AssignmentPattern:exit`.
+       */
+      if (parent.right === node) {
+        state.pushForkContext();
+        state.forkBypassPath();
+        state.forkPath();
+      }
+
+      break;
+
+    default:
+      break;
+  }
+}
+/**
+ * Updates the code path due to the type of a given node in entering.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function processCodePathToEnter(analyzer, node) {
+  let codePath = analyzer.codePath;
+  let state = codePath && CodePath.getState(codePath);
+  const parent = node.parent;
+
+  switch (node.type) {
+    case "Program":
+    case "FunctionDeclaration":
+    case "FunctionExpression":
+    case "ArrowFunctionExpression":
+      if (codePath) {
+        // Emits onCodePathSegmentStart events if updated.
+        forwardCurrentToHead(analyzer, node);
+        debug.dumpState(node, state, false);
+      } // Create the code path of this scope.
+
+
+      codePath = analyzer.codePath = new CodePath(analyzer.idGenerator.next(), codePath, analyzer.onLooped);
+      state = CodePath.getState(codePath); // Emits onCodePathStart events.
+
+      debug.dump("onCodePathStart ".concat(codePath.id));
+      analyzer.emitter.emit("onCodePathStart", codePath, node);
+      break;
+
+    case "LogicalExpression":
+      if (isHandledLogicalOperator(node.operator)) {
+        state.pushChoiceContext(node.operator, isForkingByTrueOrFalse(node));
+      }
+
+      break;
+
+    case "ConditionalExpression":
+    case "IfStatement":
+      state.pushChoiceContext("test", false);
+      break;
+
+    case "SwitchStatement":
+      state.pushSwitchContext(node.cases.some(isCaseNode), getLabel(node));
+      break;
+
+    case "TryStatement":
+      state.pushTryContext(Boolean(node.finalizer));
+      break;
+
+    case "SwitchCase":
+      /*
+       * Fork if this node is after the 2st node in `cases`.
+       * It's similar to `else` blocks.
+       * The next `test` node is processed in this path.
+       */
+      if (parent.discriminant !== node && parent.cases[0] !== node) {
+        state.forkPath();
+      }
+
+      break;
+
+    case "WhileStatement":
+    case "DoWhileStatement":
+    case "ForStatement":
+    case "ForInStatement":
+    case "ForOfStatement":
+      state.pushLoopContext(node.type, getLabel(node));
+      break;
+
+    case "LabeledStatement":
+      if (!breakableTypePattern.test(node.body.type)) {
+        state.pushBreakContext(false, node.label.name);
+      }
+
+      break;
+
+    default:
+      break;
+  } // Emits onCodePathSegmentStart events if updated.
+
+
+  forwardCurrentToHead(analyzer, node);
+  debug.dumpState(node, state, false);
+}
+/**
+ * Updates the code path due to the type of a given node in leaving.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function processCodePathToExit(analyzer, node) {
+  const codePath = analyzer.codePath;
+  const state = CodePath.getState(codePath);
+  let dontForward = false;
+
+  switch (node.type) {
+    case "IfStatement":
+    case "ConditionalExpression":
+      state.popChoiceContext();
+      break;
+
+    case "LogicalExpression":
+      if (isHandledLogicalOperator(node.operator)) {
+        state.popChoiceContext();
+      }
+
+      break;
+
+    case "SwitchStatement":
+      state.popSwitchContext();
+      break;
+
+    case "SwitchCase":
+      /*
+       * This is the same as the process at the 1st `consequent` node in
+       * `preprocess` function.
+       * Must do if this `consequent` is empty.
+       */
+      if (node.consequent.length === 0) {
+        state.makeSwitchCaseBody(true, !node.test);
+      }
+
+      if (state.forkContext.reachable) {
+        dontForward = true;
+      }
+
+      break;
+
+    case "TryStatement":
+      state.popTryContext();
+      break;
+
+    case "BreakStatement":
+      forwardCurrentToHead(analyzer, node);
+      state.makeBreak(node.label && node.label.name);
+      dontForward = true;
+      break;
+
+    case "ContinueStatement":
+      forwardCurrentToHead(analyzer, node);
+      state.makeContinue(node.label && node.label.name);
+      dontForward = true;
+      break;
+
+    case "ReturnStatement":
+      forwardCurrentToHead(analyzer, node);
+      state.makeReturn();
+      dontForward = true;
+      break;
+
+    case "ThrowStatement":
+      forwardCurrentToHead(analyzer, node);
+      state.makeThrow();
+      dontForward = true;
+      break;
+
+    case "Identifier":
+      if (isIdentifierReference(node)) {
+        state.makeFirstThrowablePathInTryBlock();
+        dontForward = true;
+      }
+
+      break;
+
+    case "CallExpression":
+    case "ImportExpression":
+    case "MemberExpression":
+    case "NewExpression":
+    case "YieldExpression":
+      state.makeFirstThrowablePathInTryBlock();
+      break;
+
+    case "WhileStatement":
+    case "DoWhileStatement":
+    case "ForStatement":
+    case "ForInStatement":
+    case "ForOfStatement":
+      state.popLoopContext();
+      break;
+
+    case "AssignmentPattern":
+      state.popForkContext();
+      break;
+
+    case "LabeledStatement":
+      if (!breakableTypePattern.test(node.body.type)) {
+        state.popBreakContext();
+      }
+
+      break;
+
+    default:
+      break;
+  } // Emits onCodePathSegmentStart events if updated.
+
+
+  if (!dontForward) {
+    forwardCurrentToHead(analyzer, node);
+  }
+
+  debug.dumpState(node, state, true);
+}
+/**
+ * Updates the code path to finalize the current code path.
+ * @param {CodePathAnalyzer} analyzer The instance.
+ * @param {ASTNode} node The current AST node.
+ * @returns {void}
+ */
+
+
+function postprocess(analyzer, node) {
+  switch (node.type) {
+    case "Program":
+    case "FunctionDeclaration":
+    case "FunctionExpression":
+    case "ArrowFunctionExpression":
+      {
+        let codePath = analyzer.codePath; // Mark the current path as the final node.
+
+        CodePath.getState(codePath).makeFinal(); // Emits onCodePathSegmentEnd event of the current segments.
+
+        leaveFromCurrentSegment(analyzer, node); // Emits onCodePathEnd event of this code path.
+
+        debug.dump("onCodePathEnd ".concat(codePath.id));
+        analyzer.emitter.emit("onCodePathEnd", codePath, node);
+        debug.dumpDot(codePath);
+        codePath = analyzer.codePath = analyzer.codePath.upper;
+
+        if (codePath) {
+          debug.dumpState(node, CodePath.getState(codePath), true);
+        }
+
+        break;
+      }
+
+    default:
+      break;
+  }
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The class to analyze code paths.
+ * This class implements the EventGenerator interface.
+ */
+
+
+class CodePathAnalyzer {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {EventGenerator} eventGenerator An event generator to wrap.
+   */
+  constructor(eventGenerator) {
+    this.original = eventGenerator;
+    this.emitter = eventGenerator.emitter;
+    this.codePath = null;
+    this.idGenerator = new IdGenerator("s");
+    this.currentNode = null;
+    this.onLooped = this.onLooped.bind(this);
+  }
+  /**
+   * Does the process to enter a given AST node.
+   * This updates state of analysis and calls `enterNode` of the wrapped.
+   * @param {ASTNode} node A node which is entering.
+   * @returns {void}
+   */
+
+
+  enterNode(node) {
+    this.currentNode = node; // Updates the code path due to node's position in its parent node.
+
+    if (node.parent) {
+      preprocess(this, node);
+    }
+    /*
+     * Updates the code path.
+     * And emits onCodePathStart/onCodePathSegmentStart events.
+     */
+
+
+    processCodePathToEnter(this, node); // Emits node events.
+
+    this.original.enterNode(node);
+    this.currentNode = null;
+  }
+  /**
+   * Does the process to leave a given AST node.
+   * This updates state of analysis and calls `leaveNode` of the wrapped.
+   * @param {ASTNode} node A node which is leaving.
+   * @returns {void}
+   */
+
+
+  leaveNode(node) {
+    this.currentNode = node;
+    /*
+     * Updates the code path.
+     * And emits onCodePathStart/onCodePathSegmentStart events.
+     */
+
+    processCodePathToExit(this, node); // Emits node events.
+
+    this.original.leaveNode(node); // Emits the last onCodePathStart/onCodePathSegmentStart events.
+
+    postprocess(this, node);
+    this.currentNode = null;
+  }
+  /**
+   * This is called on a code path looped.
+   * Then this raises a looped event.
+   * @param {CodePathSegment} fromSegment A segment of prev.
+   * @param {CodePathSegment} toSegment A segment of next.
+   * @returns {void}
+   */
+
+
+  onLooped(fromSegment, toSegment) {
+    if (fromSegment.reachable && toSegment.reachable) {
+      debug.dump("onCodePathSegmentLoop ".concat(fromSegment.id, " -> ").concat(toSegment.id));
+      this.emitter.emit("onCodePathSegmentLoop", fromSegment, toSegment, this.currentNode);
+    }
+  }
+
+}
+
+module.exports = CodePathAnalyzer;
+
+/***/ }),
+/* 791 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class of the code path.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const CodePathState = __webpack_require__(792);
+
+const IdGenerator = __webpack_require__(796); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A code path.
+ */
+
+
+class CodePath {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} id An identifier.
+   * @param {CodePath|null} upper The code path of the upper function scope.
+   * @param {Function} onLooped A callback function to notify looping.
+   */
+  constructor(id, upper, onLooped) {
+    /**
+     * The identifier of this code path.
+     * Rules use it to store additional information of each rule.
+     * @type {string}
+     */
+    this.id = id;
+    /**
+     * The code path of the upper function scope.
+     * @type {CodePath|null}
+     */
+
+    this.upper = upper;
+    /**
+     * The code paths of nested function scopes.
+     * @type {CodePath[]}
+     */
+
+    this.childCodePaths = []; // Initializes internal state.
+
+    Object.defineProperty(this, "internal", {
+      value: new CodePathState(new IdGenerator("".concat(id, "_")), onLooped)
+    }); // Adds this into `childCodePaths` of `upper`.
+
+    if (upper) {
+      upper.childCodePaths.push(this);
+    }
+  }
+  /**
+   * Gets the state of a given code path.
+   * @param {CodePath} codePath A code path to get.
+   * @returns {CodePathState} The state of the code path.
+   */
+
+
+  static getState(codePath) {
+    return codePath.internal;
+  }
+  /**
+   * The initial code path segment.
+   * @type {CodePathSegment}
+   */
+
+
+  get initialSegment() {
+    return this.internal.initialSegment;
+  }
+  /**
+   * Final code path segments.
+   * This array is a mix of `returnedSegments` and `thrownSegments`.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get finalSegments() {
+    return this.internal.finalSegments;
+  }
+  /**
+   * Final code path segments which is with `return` statements.
+   * This array contains the last path segment if it's reachable.
+   * Since the reachable last path returns `undefined`.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get returnedSegments() {
+    return this.internal.returnedForkContext;
+  }
+  /**
+   * Final code path segments which is with `throw` statements.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get thrownSegments() {
+    return this.internal.thrownForkContext;
+  }
+  /**
+   * Current code path segments.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get currentSegments() {
+    return this.internal.currentSegments;
+  }
+  /**
+   * Traverses all segments in this code path.
+   *
+   *     codePath.traverseSegments(function(segment, controller) {
+   *         // do something.
+   *     });
+   *
+   * This method enumerates segments in order from the head.
+   *
+   * The `controller` object has two methods.
+   *
+   * - `controller.skip()` - Skip the following segments in this branch.
+   * - `controller.break()` - Skip all following segments.
+   * @param {Object} [options] Omittable.
+   * @param {CodePathSegment} [options.first] The first segment to traverse.
+   * @param {CodePathSegment} [options.last] The last segment to traverse.
+   * @param {Function} callback A callback function.
+   * @returns {void}
+   */
+
+
+  traverseSegments(options, callback) {
+    let resolvedOptions;
+    let resolvedCallback;
+
+    if (typeof options === "function") {
+      resolvedCallback = options;
+      resolvedOptions = {};
+    } else {
+      resolvedOptions = options || {};
+      resolvedCallback = callback;
+    }
+
+    const startSegment = resolvedOptions.first || this.internal.initialSegment;
+    const lastSegment = resolvedOptions.last;
+    let item = null;
+    let index = 0;
+    let end = 0;
+    let segment = null;
+    const visited = Object.create(null);
+    const stack = [[startSegment, 0]];
+    let skippedSegment = null;
+    let broken = false;
+    const controller = {
+      skip() {
+        if (stack.length <= 1) {
+          broken = true;
+        } else {
+          skippedSegment = stack[stack.length - 2][0];
+        }
+      },
+
+      break() {
+        broken = true;
+      }
+
+    };
+    /**
+     * Checks a given previous segment has been visited.
+     * @param {CodePathSegment} prevSegment A previous segment to check.
+     * @returns {boolean} `true` if the segment has been visited.
+     */
+
+    function isVisited(prevSegment) {
+      return visited[prevSegment.id] || segment.isLoopedPrevSegment(prevSegment);
+    }
+
+    while (stack.length > 0) {
+      item = stack[stack.length - 1];
+      segment = item[0];
+      index = item[1];
+
+      if (index === 0) {
+        // Skip if this segment has been visited already.
+        if (visited[segment.id]) {
+          stack.pop();
+          continue;
+        } // Skip if all previous segments have not been visited.
+
+
+        if (segment !== startSegment && segment.prevSegments.length > 0 && !segment.prevSegments.every(isVisited)) {
+          stack.pop();
+          continue;
+        } // Reset the flag of skipping if all branches have been skipped.
+
+
+        if (skippedSegment && segment.prevSegments.indexOf(skippedSegment) !== -1) {
+          skippedSegment = null;
+        }
+
+        visited[segment.id] = true; // Call the callback when the first time.
+
+        if (!skippedSegment) {
+          resolvedCallback.call(this, segment, controller);
+
+          if (segment === lastSegment) {
+            controller.skip();
+          }
+
+          if (broken) {
+            break;
+          }
+        }
+      } // Update the stack.
+
+
+      end = segment.nextSegments.length - 1;
+
+      if (index < end) {
+        item[1] += 1;
+        stack.push([segment.nextSegments[index], 0]);
+      } else if (index === end) {
+        item[0] = segment.nextSegments[index];
+        item[1] = 0;
+      } else {
+        stack.pop();
+      }
+    }
+  }
+
+}
+
+module.exports = CodePath;
+
+/***/ }),
+/* 792 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class to manage state of generating a code path.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const CodePathSegment = __webpack_require__(793),
+      ForkContext = __webpack_require__(795); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Adds given segments into the `dest` array.
+ * If the `others` array does not includes the given segments, adds to the `all`
+ * array as well.
+ *
+ * This adds only reachable and used segments.
+ * @param {CodePathSegment[]} dest A destination array (`returnedSegments` or `thrownSegments`).
+ * @param {CodePathSegment[]} others Another destination array (`returnedSegments` or `thrownSegments`).
+ * @param {CodePathSegment[]} all The unified destination array (`finalSegments`).
+ * @param {CodePathSegment[]} segments Segments to add.
+ * @returns {void}
+ */
+
+
+function addToReturnedOrThrown(dest, others, all, segments) {
+  for (let i = 0; i < segments.length; ++i) {
+    const segment = segments[i];
+    dest.push(segment);
+
+    if (others.indexOf(segment) === -1) {
+      all.push(segment);
+    }
+  }
+}
+/**
+ * Gets a loop-context for a `continue` statement.
+ * @param {CodePathState} state A state to get.
+ * @param {string} label The label of a `continue` statement.
+ * @returns {LoopContext} A loop-context for a `continue` statement.
+ */
+
+
+function getContinueContext(state, label) {
+  if (!label) {
+    return state.loopContext;
+  }
+
+  let context = state.loopContext;
+
+  while (context) {
+    if (context.label === label) {
+      return context;
+    }
+
+    context = context.upper;
+  }
+  /* istanbul ignore next: foolproof (syntax error) */
+
+
+  return null;
+}
+/**
+ * Gets a context for a `break` statement.
+ * @param {CodePathState} state A state to get.
+ * @param {string} label The label of a `break` statement.
+ * @returns {LoopContext|SwitchContext} A context for a `break` statement.
+ */
+
+
+function getBreakContext(state, label) {
+  let context = state.breakContext;
+
+  while (context) {
+    if (label ? context.label === label : context.breakable) {
+      return context;
+    }
+
+    context = context.upper;
+  }
+  /* istanbul ignore next: foolproof (syntax error) */
+
+
+  return null;
+}
+/**
+ * Gets a context for a `return` statement.
+ * @param {CodePathState} state A state to get.
+ * @returns {TryContext|CodePathState} A context for a `return` statement.
+ */
+
+
+function getReturnContext(state) {
+  let context = state.tryContext;
+
+  while (context) {
+    if (context.hasFinalizer && context.position !== "finally") {
+      return context;
+    }
+
+    context = context.upper;
+  }
+
+  return state;
+}
+/**
+ * Gets a context for a `throw` statement.
+ * @param {CodePathState} state A state to get.
+ * @returns {TryContext|CodePathState} A context for a `throw` statement.
+ */
+
+
+function getThrowContext(state) {
+  let context = state.tryContext;
+
+  while (context) {
+    if (context.position === "try" || context.hasFinalizer && context.position === "catch") {
+      return context;
+    }
+
+    context = context.upper;
+  }
+
+  return state;
+}
+/**
+ * Removes a given element from a given array.
+ * @param {any[]} xs An array to remove the specific element.
+ * @param {any} x An element to be removed.
+ * @returns {void}
+ */
+
+
+function remove(xs, x) {
+  xs.splice(xs.indexOf(x), 1);
+}
+/**
+ * Disconnect given segments.
+ *
+ * This is used in a process for switch statements.
+ * If there is the "default" chunk before other cases, the order is different
+ * between node's and running's.
+ * @param {CodePathSegment[]} prevSegments Forward segments to disconnect.
+ * @param {CodePathSegment[]} nextSegments Backward segments to disconnect.
+ * @returns {void}
+ */
+
+
+function removeConnection(prevSegments, nextSegments) {
+  for (let i = 0; i < prevSegments.length; ++i) {
+    const prevSegment = prevSegments[i];
+    const nextSegment = nextSegments[i];
+    remove(prevSegment.nextSegments, nextSegment);
+    remove(prevSegment.allNextSegments, nextSegment);
+    remove(nextSegment.prevSegments, prevSegment);
+    remove(nextSegment.allPrevSegments, prevSegment);
+  }
+}
+/**
+ * Creates looping path.
+ * @param {CodePathState} state The instance.
+ * @param {CodePathSegment[]} unflattenedFromSegments Segments which are source.
+ * @param {CodePathSegment[]} unflattenedToSegments Segments which are destination.
+ * @returns {void}
+ */
+
+
+function makeLooped(state, unflattenedFromSegments, unflattenedToSegments) {
+  const fromSegments = CodePathSegment.flattenUnusedSegments(unflattenedFromSegments);
+  const toSegments = CodePathSegment.flattenUnusedSegments(unflattenedToSegments);
+  const end = Math.min(fromSegments.length, toSegments.length);
+
+  for (let i = 0; i < end; ++i) {
+    const fromSegment = fromSegments[i];
+    const toSegment = toSegments[i];
+
+    if (toSegment.reachable) {
+      fromSegment.nextSegments.push(toSegment);
+    }
+
+    if (fromSegment.reachable) {
+      toSegment.prevSegments.push(fromSegment);
+    }
+
+    fromSegment.allNextSegments.push(toSegment);
+    toSegment.allPrevSegments.push(fromSegment);
+
+    if (toSegment.allPrevSegments.length >= 2) {
+      CodePathSegment.markPrevSegmentAsLooped(toSegment, fromSegment);
+    }
+
+    state.notifyLooped(fromSegment, toSegment);
+  }
+}
+/**
+ * Finalizes segments of `test` chunk of a ForStatement.
+ *
+ * - Adds `false` paths to paths which are leaving from the loop.
+ * - Sets `true` paths to paths which go to the body.
+ * @param {LoopContext} context A loop context to modify.
+ * @param {ChoiceContext} choiceContext A choice context of this loop.
+ * @param {CodePathSegment[]} head The current head paths.
+ * @returns {void}
+ */
+
+
+function finalizeTestSegmentsOfFor(context, choiceContext, head) {
+  if (!choiceContext.processed) {
+    choiceContext.trueForkContext.add(head);
+    choiceContext.falseForkContext.add(head);
+  }
+
+  if (context.test !== true) {
+    context.brokenForkContext.addAll(choiceContext.falseForkContext);
+  }
+
+  context.endOfTestSegments = choiceContext.trueForkContext.makeNext(0, -1);
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A class which manages state to analyze code paths.
+ */
+
+
+class CodePathState {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {IdGenerator} idGenerator An id generator to generate id for code
+   *   path segments.
+   * @param {Function} onLooped A callback function to notify looping.
+   */
+  constructor(idGenerator, onLooped) {
+    this.idGenerator = idGenerator;
+    this.notifyLooped = onLooped;
+    this.forkContext = ForkContext.newRoot(idGenerator);
+    this.choiceContext = null;
+    this.switchContext = null;
+    this.tryContext = null;
+    this.loopContext = null;
+    this.breakContext = null;
+    this.currentSegments = [];
+    this.initialSegment = this.forkContext.head[0]; // returnedSegments and thrownSegments push elements into finalSegments also.
+
+    const final = this.finalSegments = [];
+    const returned = this.returnedForkContext = [];
+    const thrown = this.thrownForkContext = [];
+    returned.add = addToReturnedOrThrown.bind(null, returned, thrown, final);
+    thrown.add = addToReturnedOrThrown.bind(null, thrown, returned, final);
+  }
+  /**
+   * The head segments.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get headSegments() {
+    return this.forkContext.head;
+  }
+  /**
+   * The parent forking context.
+   * This is used for the root of new forks.
+   * @type {ForkContext}
+   */
+
+
+  get parentForkContext() {
+    const current = this.forkContext;
+    return current && current.upper;
+  }
+  /**
+   * Creates and stacks new forking context.
+   * @param {boolean} forkLeavingPath A flag which shows being in a
+   *   "finally" block.
+   * @returns {ForkContext} The created context.
+   */
+
+
+  pushForkContext(forkLeavingPath) {
+    this.forkContext = ForkContext.newEmpty(this.forkContext, forkLeavingPath);
+    return this.forkContext;
+  }
+  /**
+   * Pops and merges the last forking context.
+   * @returns {ForkContext} The last context.
+   */
+
+
+  popForkContext() {
+    const lastContext = this.forkContext;
+    this.forkContext = lastContext.upper;
+    this.forkContext.replaceHead(lastContext.makeNext(0, -1));
+    return lastContext;
+  }
+  /**
+   * Creates a new path.
+   * @returns {void}
+   */
+
+
+  forkPath() {
+    this.forkContext.add(this.parentForkContext.makeNext(-1, -1));
+  }
+  /**
+   * Creates a bypass path.
+   * This is used for such as IfStatement which does not have "else" chunk.
+   * @returns {void}
+   */
+
+
+  forkBypassPath() {
+    this.forkContext.add(this.parentForkContext.head);
+  } //--------------------------------------------------------------------------
+  // ConditionalExpression, LogicalExpression, IfStatement
+  //--------------------------------------------------------------------------
+
+  /**
+   * Creates a context for ConditionalExpression, LogicalExpression,
+   * IfStatement, WhileStatement, DoWhileStatement, or ForStatement.
+   *
+   * LogicalExpressions have cases that it goes different paths between the
+   * `true` case and the `false` case.
+   *
+   * For Example:
+   *
+   *     if (a || b) {
+   *         foo();
+   *     } else {
+   *         bar();
+   *     }
+   *
+   * In this case, `b` is evaluated always in the code path of the `else`
+   * block, but it's not so in the code path of the `if` block.
+   * So there are 3 paths.
+   *
+   *     a -> foo();
+   *     a -> b -> foo();
+   *     a -> b -> bar();
+   * @param {string} kind A kind string.
+   *   If the new context is LogicalExpression's, this is `"&&"` or `"||"`.
+   *   If it's IfStatement's or ConditionalExpression's, this is `"test"`.
+   *   Otherwise, this is `"loop"`.
+   * @param {boolean} isForkingAsResult A flag that shows that goes different
+   *   paths between `true` and `false`.
+   * @returns {void}
+   */
+
+
+  pushChoiceContext(kind, isForkingAsResult) {
+    this.choiceContext = {
+      upper: this.choiceContext,
+      kind,
+      isForkingAsResult,
+      trueForkContext: ForkContext.newEmpty(this.forkContext),
+      falseForkContext: ForkContext.newEmpty(this.forkContext),
+      processed: false
+    };
+  }
+  /**
+   * Pops the last choice context and finalizes it.
+   * @returns {ChoiceContext} The popped context.
+   */
+
+
+  popChoiceContext() {
+    const context = this.choiceContext;
+    this.choiceContext = context.upper;
+    const forkContext = this.forkContext;
+    const headSegments = forkContext.head;
+
+    switch (context.kind) {
+      case "&&":
+      case "||":
+        /*
+         * If any result were not transferred from child contexts,
+         * this sets the head segments to both cases.
+         * The head segments are the path of the right-hand operand.
+         */
+        if (!context.processed) {
+          context.trueForkContext.add(headSegments);
+          context.falseForkContext.add(headSegments);
+        }
+        /*
+         * Transfers results to upper context if this context is in
+         * test chunk.
+         */
+
+
+        if (context.isForkingAsResult) {
+          const parentContext = this.choiceContext;
+          parentContext.trueForkContext.addAll(context.trueForkContext);
+          parentContext.falseForkContext.addAll(context.falseForkContext);
+          parentContext.processed = true;
+          return context;
+        }
+
+        break;
+
+      case "test":
+        if (!context.processed) {
+          /*
+           * The head segments are the path of the `if` block here.
+           * Updates the `true` path with the end of the `if` block.
+           */
+          context.trueForkContext.clear();
+          context.trueForkContext.add(headSegments);
+        } else {
+          /*
+           * The head segments are the path of the `else` block here.
+           * Updates the `false` path with the end of the `else`
+           * block.
+           */
+          context.falseForkContext.clear();
+          context.falseForkContext.add(headSegments);
+        }
+
+        break;
+
+      case "loop":
+        /*
+         * Loops are addressed in popLoopContext().
+         * This is called from popLoopContext().
+         */
+        return context;
+
+      /* istanbul ignore next */
+
+      default:
+        throw new Error("unreachable");
+    } // Merges all paths.
+
+
+    const prevForkContext = context.trueForkContext;
+    prevForkContext.addAll(context.falseForkContext);
+    forkContext.replaceHead(prevForkContext.makeNext(0, -1));
+    return context;
+  }
+  /**
+   * Makes a code path segment of the right-hand operand of a logical
+   * expression.
+   * @returns {void}
+   */
+
+
+  makeLogicalRight() {
+    const context = this.choiceContext;
+    const forkContext = this.forkContext;
+
+    if (context.processed) {
+      /*
+       * This got segments already from the child choice context.
+       * Creates the next path from own true/false fork context.
+       */
+      const prevForkContext = context.kind === "&&" ? context.trueForkContext
+      /* kind === "||" */
+      : context.falseForkContext;
+      forkContext.replaceHead(prevForkContext.makeNext(0, -1));
+      prevForkContext.clear();
+      context.processed = false;
+    } else {
+      /*
+       * This did not get segments from the child choice context.
+       * So addresses the head segments.
+       * The head segments are the path of the left-hand operand.
+       */
+      if (context.kind === "&&") {
+        // The path does short-circuit if false.
+        context.falseForkContext.add(forkContext.head);
+      } else {
+        // The path does short-circuit if true.
+        context.trueForkContext.add(forkContext.head);
+      }
+
+      forkContext.replaceHead(forkContext.makeNext(-1, -1));
+    }
+  }
+  /**
+   * Makes a code path segment of the `if` block.
+   * @returns {void}
+   */
+
+
+  makeIfConsequent() {
+    const context = this.choiceContext;
+    const forkContext = this.forkContext;
+    /*
+     * If any result were not transferred from child contexts,
+     * this sets the head segments to both cases.
+     * The head segments are the path of the test expression.
+     */
+
+    if (!context.processed) {
+      context.trueForkContext.add(forkContext.head);
+      context.falseForkContext.add(forkContext.head);
+    }
+
+    context.processed = false; // Creates new path from the `true` case.
+
+    forkContext.replaceHead(context.trueForkContext.makeNext(0, -1));
+  }
+  /**
+   * Makes a code path segment of the `else` block.
+   * @returns {void}
+   */
+
+
+  makeIfAlternate() {
+    const context = this.choiceContext;
+    const forkContext = this.forkContext;
+    /*
+     * The head segments are the path of the `if` block.
+     * Updates the `true` path with the end of the `if` block.
+     */
+
+    context.trueForkContext.clear();
+    context.trueForkContext.add(forkContext.head);
+    context.processed = true; // Creates new path from the `false` case.
+
+    forkContext.replaceHead(context.falseForkContext.makeNext(0, -1));
+  } //--------------------------------------------------------------------------
+  // SwitchStatement
+  //--------------------------------------------------------------------------
+
+  /**
+   * Creates a context object of SwitchStatement and stacks it.
+   * @param {boolean} hasCase `true` if the switch statement has one or more
+   *   case parts.
+   * @param {string|null} label The label text.
+   * @returns {void}
+   */
+
+
+  pushSwitchContext(hasCase, label) {
+    this.switchContext = {
+      upper: this.switchContext,
+      hasCase,
+      defaultSegments: null,
+      defaultBodySegments: null,
+      foundDefault: false,
+      lastIsDefault: false,
+      countForks: 0
+    };
+    this.pushBreakContext(true, label);
+  }
+  /**
+   * Pops the last context of SwitchStatement and finalizes it.
+   *
+   * - Disposes all forking stack for `case` and `default`.
+   * - Creates the next code path segment from `context.brokenForkContext`.
+   * - If the last `SwitchCase` node is not a `default` part, creates a path
+   *   to the `default` body.
+   * @returns {void}
+   */
+
+
+  popSwitchContext() {
+    const context = this.switchContext;
+    this.switchContext = context.upper;
+    const forkContext = this.forkContext;
+    const brokenForkContext = this.popBreakContext().brokenForkContext;
+
+    if (context.countForks === 0) {
+      /*
+       * When there is only one `default` chunk and there is one or more
+       * `break` statements, even if forks are nothing, it needs to merge
+       * those.
+       */
+      if (!brokenForkContext.empty) {
+        brokenForkContext.add(forkContext.makeNext(-1, -1));
+        forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+      }
+
+      return;
+    }
+
+    const lastSegments = forkContext.head;
+    this.forkBypassPath();
+    const lastCaseSegments = forkContext.head;
+    /*
+     * `brokenForkContext` is used to make the next segment.
+     * It must add the last segment into `brokenForkContext`.
+     */
+
+    brokenForkContext.add(lastSegments);
+    /*
+     * A path which is failed in all case test should be connected to path
+     * of `default` chunk.
+     */
+
+    if (!context.lastIsDefault) {
+      if (context.defaultBodySegments) {
+        /*
+         * Remove a link from `default` label to its chunk.
+         * It's false route.
+         */
+        removeConnection(context.defaultSegments, context.defaultBodySegments);
+        makeLooped(this, lastCaseSegments, context.defaultBodySegments);
+      } else {
+        /*
+         * It handles the last case body as broken if `default` chunk
+         * does not exist.
+         */
+        brokenForkContext.add(lastCaseSegments);
+      }
+    } // Pops the segment context stack until the entry segment.
+
+
+    for (let i = 0; i < context.countForks; ++i) {
+      this.forkContext = this.forkContext.upper;
+    }
+    /*
+     * Creates a path from all brokenForkContext paths.
+     * This is a path after switch statement.
+     */
+
+
+    this.forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+  }
+  /**
+   * Makes a code path segment for a `SwitchCase` node.
+   * @param {boolean} isEmpty `true` if the body is empty.
+   * @param {boolean} isDefault `true` if the body is the default case.
+   * @returns {void}
+   */
+
+
+  makeSwitchCaseBody(isEmpty, isDefault) {
+    const context = this.switchContext;
+
+    if (!context.hasCase) {
+      return;
+    }
+    /*
+     * Merge forks.
+     * The parent fork context has two segments.
+     * Those are from the current case and the body of the previous case.
+     */
+
+
+    const parentForkContext = this.forkContext;
+    const forkContext = this.pushForkContext();
+    forkContext.add(parentForkContext.makeNext(0, -1));
+    /*
+     * Save `default` chunk info.
+     * If the `default` label is not at the last, we must make a path from
+     * the last `case` to the `default` chunk.
+     */
+
+    if (isDefault) {
+      context.defaultSegments = parentForkContext.head;
+
+      if (isEmpty) {
+        context.foundDefault = true;
+      } else {
+        context.defaultBodySegments = forkContext.head;
+      }
+    } else {
+      if (!isEmpty && context.foundDefault) {
+        context.foundDefault = false;
+        context.defaultBodySegments = forkContext.head;
+      }
+    }
+
+    context.lastIsDefault = isDefault;
+    context.countForks += 1;
+  } //--------------------------------------------------------------------------
+  // TryStatement
+  //--------------------------------------------------------------------------
+
+  /**
+   * Creates a context object of TryStatement and stacks it.
+   * @param {boolean} hasFinalizer `true` if the try statement has a
+   *   `finally` block.
+   * @returns {void}
+   */
+
+
+  pushTryContext(hasFinalizer) {
+    this.tryContext = {
+      upper: this.tryContext,
+      position: "try",
+      hasFinalizer,
+      returnedForkContext: hasFinalizer ? ForkContext.newEmpty(this.forkContext) : null,
+      thrownForkContext: ForkContext.newEmpty(this.forkContext),
+      lastOfTryIsReachable: false,
+      lastOfCatchIsReachable: false
+    };
+  }
+  /**
+   * Pops the last context of TryStatement and finalizes it.
+   * @returns {void}
+   */
+
+
+  popTryContext() {
+    const context = this.tryContext;
+    this.tryContext = context.upper;
+
+    if (context.position === "catch") {
+      // Merges two paths from the `try` block and `catch` block merely.
+      this.popForkContext();
+      return;
+    }
+    /*
+     * The following process is executed only when there is the `finally`
+     * block.
+     */
+
+
+    const returned = context.returnedForkContext;
+    const thrown = context.thrownForkContext;
+
+    if (returned.empty && thrown.empty) {
+      return;
+    } // Separate head to normal paths and leaving paths.
+
+
+    const headSegments = this.forkContext.head;
+    this.forkContext = this.forkContext.upper;
+    const normalSegments = headSegments.slice(0, headSegments.length / 2 | 0);
+    const leavingSegments = headSegments.slice(headSegments.length / 2 | 0); // Forwards the leaving path to upper contexts.
+
+    if (!returned.empty) {
+      getReturnContext(this).returnedForkContext.add(leavingSegments);
+    }
+
+    if (!thrown.empty) {
+      getThrowContext(this).thrownForkContext.add(leavingSegments);
+    } // Sets the normal path as the next.
+
+
+    this.forkContext.replaceHead(normalSegments);
+    /*
+     * If both paths of the `try` block and the `catch` block are
+     * unreachable, the next path becomes unreachable as well.
+     */
+
+    if (!context.lastOfTryIsReachable && !context.lastOfCatchIsReachable) {
+      this.forkContext.makeUnreachable();
+    }
+  }
+  /**
+   * Makes a code path segment for a `catch` block.
+   * @returns {void}
+   */
+
+
+  makeCatchBlock() {
+    const context = this.tryContext;
+    const forkContext = this.forkContext;
+    const thrown = context.thrownForkContext; // Update state.
+
+    context.position = "catch";
+    context.thrownForkContext = ForkContext.newEmpty(forkContext);
+    context.lastOfTryIsReachable = forkContext.reachable; // Merge thrown paths.
+
+    thrown.add(forkContext.head);
+    const thrownSegments = thrown.makeNext(0, -1); // Fork to a bypass and the merged thrown path.
+
+    this.pushForkContext();
+    this.forkBypassPath();
+    this.forkContext.add(thrownSegments);
+  }
+  /**
+   * Makes a code path segment for a `finally` block.
+   *
+   * In the `finally` block, parallel paths are created. The parallel paths
+   * are used as leaving-paths. The leaving-paths are paths from `return`
+   * statements and `throw` statements in a `try` block or a `catch` block.
+   * @returns {void}
+   */
+
+
+  makeFinallyBlock() {
+    const context = this.tryContext;
+    let forkContext = this.forkContext;
+    const returned = context.returnedForkContext;
+    const thrown = context.thrownForkContext;
+    const headOfLeavingSegments = forkContext.head; // Update state.
+
+    if (context.position === "catch") {
+      // Merges two paths from the `try` block and `catch` block.
+      this.popForkContext();
+      forkContext = this.forkContext;
+      context.lastOfCatchIsReachable = forkContext.reachable;
+    } else {
+      context.lastOfTryIsReachable = forkContext.reachable;
+    }
+
+    context.position = "finally";
+
+    if (returned.empty && thrown.empty) {
+      // This path does not leave.
+      return;
+    }
+    /*
+     * Create a parallel segment from merging returned and thrown.
+     * This segment will leave at the end of this finally block.
+     */
+
+
+    const segments = forkContext.makeNext(-1, -1);
+
+    for (let i = 0; i < forkContext.count; ++i) {
+      const prevSegsOfLeavingSegment = [headOfLeavingSegments[i]];
+
+      for (let j = 0; j < returned.segmentsList.length; ++j) {
+        prevSegsOfLeavingSegment.push(returned.segmentsList[j][i]);
+      }
+
+      for (let j = 0; j < thrown.segmentsList.length; ++j) {
+        prevSegsOfLeavingSegment.push(thrown.segmentsList[j][i]);
+      }
+
+      segments.push(CodePathSegment.newNext(this.idGenerator.next(), prevSegsOfLeavingSegment));
+    }
+
+    this.pushForkContext(true);
+    this.forkContext.add(segments);
+  }
+  /**
+   * Makes a code path segment from the first throwable node to the `catch`
+   * block or the `finally` block.
+   * @returns {void}
+   */
+
+
+  makeFirstThrowablePathInTryBlock() {
+    const forkContext = this.forkContext;
+
+    if (!forkContext.reachable) {
+      return;
+    }
+
+    const context = getThrowContext(this);
+
+    if (context === this || context.position !== "try" || !context.thrownForkContext.empty) {
+      return;
+    }
+
+    context.thrownForkContext.add(forkContext.head);
+    forkContext.replaceHead(forkContext.makeNext(-1, -1));
+  } //--------------------------------------------------------------------------
+  // Loop Statements
+  //--------------------------------------------------------------------------
+
+  /**
+   * Creates a context object of a loop statement and stacks it.
+   * @param {string} type The type of the node which was triggered. One of
+   *   `WhileStatement`, `DoWhileStatement`, `ForStatement`, `ForInStatement`,
+   *   and `ForStatement`.
+   * @param {string|null} label A label of the node which was triggered.
+   * @returns {void}
+   */
+
+
+  pushLoopContext(type, label) {
+    const forkContext = this.forkContext;
+    const breakContext = this.pushBreakContext(true, label);
+
+    switch (type) {
+      case "WhileStatement":
+        this.pushChoiceContext("loop", false);
+        this.loopContext = {
+          upper: this.loopContext,
+          type,
+          label,
+          test: void 0,
+          continueDestSegments: null,
+          brokenForkContext: breakContext.brokenForkContext
+        };
+        break;
+
+      case "DoWhileStatement":
+        this.pushChoiceContext("loop", false);
+        this.loopContext = {
+          upper: this.loopContext,
+          type,
+          label,
+          test: void 0,
+          entrySegments: null,
+          continueForkContext: ForkContext.newEmpty(forkContext),
+          brokenForkContext: breakContext.brokenForkContext
+        };
+        break;
+
+      case "ForStatement":
+        this.pushChoiceContext("loop", false);
+        this.loopContext = {
+          upper: this.loopContext,
+          type,
+          label,
+          test: void 0,
+          endOfInitSegments: null,
+          testSegments: null,
+          endOfTestSegments: null,
+          updateSegments: null,
+          endOfUpdateSegments: null,
+          continueDestSegments: null,
+          brokenForkContext: breakContext.brokenForkContext
+        };
+        break;
+
+      case "ForInStatement":
+      case "ForOfStatement":
+        this.loopContext = {
+          upper: this.loopContext,
+          type,
+          label,
+          prevSegments: null,
+          leftSegments: null,
+          endOfLeftSegments: null,
+          continueDestSegments: null,
+          brokenForkContext: breakContext.brokenForkContext
+        };
+        break;
+
+      /* istanbul ignore next */
+
+      default:
+        throw new Error("unknown type: \"".concat(type, "\""));
+    }
+  }
+  /**
+   * Pops the last context of a loop statement and finalizes it.
+   * @returns {void}
+   */
+
+
+  popLoopContext() {
+    const context = this.loopContext;
+    this.loopContext = context.upper;
+    const forkContext = this.forkContext;
+    const brokenForkContext = this.popBreakContext().brokenForkContext; // Creates a looped path.
+
+    switch (context.type) {
+      case "WhileStatement":
+      case "ForStatement":
+        this.popChoiceContext();
+        makeLooped(this, forkContext.head, context.continueDestSegments);
+        break;
+
+      case "DoWhileStatement":
+        {
+          const choiceContext = this.popChoiceContext();
+
+          if (!choiceContext.processed) {
+            choiceContext.trueForkContext.add(forkContext.head);
+            choiceContext.falseForkContext.add(forkContext.head);
+          }
+
+          if (context.test !== true) {
+            brokenForkContext.addAll(choiceContext.falseForkContext);
+          } // `true` paths go to looping.
+
+
+          const segmentsList = choiceContext.trueForkContext.segmentsList;
+
+          for (let i = 0; i < segmentsList.length; ++i) {
+            makeLooped(this, segmentsList[i], context.entrySegments);
+          }
+
+          break;
+        }
+
+      case "ForInStatement":
+      case "ForOfStatement":
+        brokenForkContext.add(forkContext.head);
+        makeLooped(this, forkContext.head, context.leftSegments);
+        break;
+
+      /* istanbul ignore next */
+
+      default:
+        throw new Error("unreachable");
+    } // Go next.
+
+
+    if (brokenForkContext.empty) {
+      forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+    } else {
+      forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+    }
+  }
+  /**
+   * Makes a code path segment for the test part of a WhileStatement.
+   * @param {boolean|undefined} test The test value (only when constant).
+   * @returns {void}
+   */
+
+
+  makeWhileTest(test) {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const testSegments = forkContext.makeNext(0, -1); // Update state.
+
+    context.test = test;
+    context.continueDestSegments = testSegments;
+    forkContext.replaceHead(testSegments);
+  }
+  /**
+   * Makes a code path segment for the body part of a WhileStatement.
+   * @returns {void}
+   */
+
+
+  makeWhileBody() {
+    const context = this.loopContext;
+    const choiceContext = this.choiceContext;
+    const forkContext = this.forkContext;
+
+    if (!choiceContext.processed) {
+      choiceContext.trueForkContext.add(forkContext.head);
+      choiceContext.falseForkContext.add(forkContext.head);
+    } // Update state.
+
+
+    if (context.test !== true) {
+      context.brokenForkContext.addAll(choiceContext.falseForkContext);
+    }
+
+    forkContext.replaceHead(choiceContext.trueForkContext.makeNext(0, -1));
+  }
+  /**
+   * Makes a code path segment for the body part of a DoWhileStatement.
+   * @returns {void}
+   */
+
+
+  makeDoWhileBody() {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const bodySegments = forkContext.makeNext(-1, -1); // Update state.
+
+    context.entrySegments = bodySegments;
+    forkContext.replaceHead(bodySegments);
+  }
+  /**
+   * Makes a code path segment for the test part of a DoWhileStatement.
+   * @param {boolean|undefined} test The test value (only when constant).
+   * @returns {void}
+   */
+
+
+  makeDoWhileTest(test) {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    context.test = test; // Creates paths of `continue` statements.
+
+    if (!context.continueForkContext.empty) {
+      context.continueForkContext.add(forkContext.head);
+      const testSegments = context.continueForkContext.makeNext(0, -1);
+      forkContext.replaceHead(testSegments);
+    }
+  }
+  /**
+   * Makes a code path segment for the test part of a ForStatement.
+   * @param {boolean|undefined} test The test value (only when constant).
+   * @returns {void}
+   */
+
+
+  makeForTest(test) {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const endOfInitSegments = forkContext.head;
+    const testSegments = forkContext.makeNext(-1, -1); // Update state.
+
+    context.test = test;
+    context.endOfInitSegments = endOfInitSegments;
+    context.continueDestSegments = context.testSegments = testSegments;
+    forkContext.replaceHead(testSegments);
+  }
+  /**
+   * Makes a code path segment for the update part of a ForStatement.
+   * @returns {void}
+   */
+
+
+  makeForUpdate() {
+    const context = this.loopContext;
+    const choiceContext = this.choiceContext;
+    const forkContext = this.forkContext; // Make the next paths of the test.
+
+    if (context.testSegments) {
+      finalizeTestSegmentsOfFor(context, choiceContext, forkContext.head);
+    } else {
+      context.endOfInitSegments = forkContext.head;
+    } // Update state.
+
+
+    const updateSegments = forkContext.makeDisconnected(-1, -1);
+    context.continueDestSegments = context.updateSegments = updateSegments;
+    forkContext.replaceHead(updateSegments);
+  }
+  /**
+   * Makes a code path segment for the body part of a ForStatement.
+   * @returns {void}
+   */
+
+
+  makeForBody() {
+    const context = this.loopContext;
+    const choiceContext = this.choiceContext;
+    const forkContext = this.forkContext; // Update state.
+
+    if (context.updateSegments) {
+      context.endOfUpdateSegments = forkContext.head; // `update` -> `test`
+
+      if (context.testSegments) {
+        makeLooped(this, context.endOfUpdateSegments, context.testSegments);
+      }
+    } else if (context.testSegments) {
+      finalizeTestSegmentsOfFor(context, choiceContext, forkContext.head);
+    } else {
+      context.endOfInitSegments = forkContext.head;
+    }
+
+    let bodySegments = context.endOfTestSegments;
+
+    if (!bodySegments) {
+      /*
+       * If there is not the `test` part, the `body` path comes from the
+       * `init` part and the `update` part.
+       */
+      const prevForkContext = ForkContext.newEmpty(forkContext);
+      prevForkContext.add(context.endOfInitSegments);
+
+      if (context.endOfUpdateSegments) {
+        prevForkContext.add(context.endOfUpdateSegments);
+      }
+
+      bodySegments = prevForkContext.makeNext(0, -1);
+    }
+
+    context.continueDestSegments = context.continueDestSegments || bodySegments;
+    forkContext.replaceHead(bodySegments);
+  }
+  /**
+   * Makes a code path segment for the left part of a ForInStatement and a
+   * ForOfStatement.
+   * @returns {void}
+   */
+
+
+  makeForInOfLeft() {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const leftSegments = forkContext.makeDisconnected(-1, -1); // Update state.
+
+    context.prevSegments = forkContext.head;
+    context.leftSegments = context.continueDestSegments = leftSegments;
+    forkContext.replaceHead(leftSegments);
+  }
+  /**
+   * Makes a code path segment for the right part of a ForInStatement and a
+   * ForOfStatement.
+   * @returns {void}
+   */
+
+
+  makeForInOfRight() {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const temp = ForkContext.newEmpty(forkContext);
+    temp.add(context.prevSegments);
+    const rightSegments = temp.makeNext(-1, -1); // Update state.
+
+    context.endOfLeftSegments = forkContext.head;
+    forkContext.replaceHead(rightSegments);
+  }
+  /**
+   * Makes a code path segment for the body part of a ForInStatement and a
+   * ForOfStatement.
+   * @returns {void}
+   */
+
+
+  makeForInOfBody() {
+    const context = this.loopContext;
+    const forkContext = this.forkContext;
+    const temp = ForkContext.newEmpty(forkContext);
+    temp.add(context.endOfLeftSegments);
+    const bodySegments = temp.makeNext(-1, -1); // Make a path: `right` -> `left`.
+
+    makeLooped(this, forkContext.head, context.leftSegments); // Update state.
+
+    context.brokenForkContext.add(forkContext.head);
+    forkContext.replaceHead(bodySegments);
+  } //--------------------------------------------------------------------------
+  // Control Statements
+  //--------------------------------------------------------------------------
+
+  /**
+   * Creates new context for BreakStatement.
+   * @param {boolean} breakable The flag to indicate it can break by
+   *      an unlabeled BreakStatement.
+   * @param {string|null} label The label of this context.
+   * @returns {Object} The new context.
+   */
+
+
+  pushBreakContext(breakable, label) {
+    this.breakContext = {
+      upper: this.breakContext,
+      breakable,
+      label,
+      brokenForkContext: ForkContext.newEmpty(this.forkContext)
+    };
+    return this.breakContext;
+  }
+  /**
+   * Removes the top item of the break context stack.
+   * @returns {Object} The removed context.
+   */
+
+
+  popBreakContext() {
+    const context = this.breakContext;
+    const forkContext = this.forkContext;
+    this.breakContext = context.upper; // Process this context here for other than switches and loops.
+
+    if (!context.breakable) {
+      const brokenForkContext = context.brokenForkContext;
+
+      if (!brokenForkContext.empty) {
+        brokenForkContext.add(forkContext.head);
+        forkContext.replaceHead(brokenForkContext.makeNext(0, -1));
+      }
+    }
+
+    return context;
+  }
+  /**
+   * Makes a path for a `break` statement.
+   *
+   * It registers the head segment to a context of `break`.
+   * It makes new unreachable segment, then it set the head with the segment.
+   * @param {string} label A label of the break statement.
+   * @returns {void}
+   */
+
+
+  makeBreak(label) {
+    const forkContext = this.forkContext;
+
+    if (!forkContext.reachable) {
+      return;
+    }
+
+    const context = getBreakContext(this, label);
+    /* istanbul ignore else: foolproof (syntax error) */
+
+    if (context) {
+      context.brokenForkContext.add(forkContext.head);
+    }
+
+    forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+  }
+  /**
+   * Makes a path for a `continue` statement.
+   *
+   * It makes a looping path.
+   * It makes new unreachable segment, then it set the head with the segment.
+   * @param {string} label A label of the continue statement.
+   * @returns {void}
+   */
+
+
+  makeContinue(label) {
+    const forkContext = this.forkContext;
+
+    if (!forkContext.reachable) {
+      return;
+    }
+
+    const context = getContinueContext(this, label);
+    /* istanbul ignore else: foolproof (syntax error) */
+
+    if (context) {
+      if (context.continueDestSegments) {
+        makeLooped(this, forkContext.head, context.continueDestSegments); // If the context is a for-in/of loop, this effects a break also.
+
+        if (context.type === "ForInStatement" || context.type === "ForOfStatement") {
+          context.brokenForkContext.add(forkContext.head);
+        }
+      } else {
+        context.continueForkContext.add(forkContext.head);
+      }
+    }
+
+    forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+  }
+  /**
+   * Makes a path for a `return` statement.
+   *
+   * It registers the head segment to a context of `return`.
+   * It makes new unreachable segment, then it set the head with the segment.
+   * @returns {void}
+   */
+
+
+  makeReturn() {
+    const forkContext = this.forkContext;
+
+    if (forkContext.reachable) {
+      getReturnContext(this).returnedForkContext.add(forkContext.head);
+      forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+    }
+  }
+  /**
+   * Makes a path for a `throw` statement.
+   *
+   * It registers the head segment to a context of `throw`.
+   * It makes new unreachable segment, then it set the head with the segment.
+   * @returns {void}
+   */
+
+
+  makeThrow() {
+    const forkContext = this.forkContext;
+
+    if (forkContext.reachable) {
+      getThrowContext(this).thrownForkContext.add(forkContext.head);
+      forkContext.replaceHead(forkContext.makeUnreachable(-1, -1));
+    }
+  }
+  /**
+   * Makes the final path.
+   * @returns {void}
+   */
+
+
+  makeFinal() {
+    const segments = this.currentSegments;
+
+    if (segments.length > 0 && segments[0].reachable) {
+      this.returnedForkContext.add(segments);
+    }
+  }
+
+}
+
+module.exports = CodePathState;
+
+/***/ }),
+/* 793 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class of the code path segment.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = __webpack_require__(794); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks whether or not a given segment is reachable.
+ * @param {CodePathSegment} segment A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+
+function isReachable(segment) {
+  return segment.reachable;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A code path segment.
+ */
+
+
+class CodePathSegment {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} id An identifier.
+   * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+   *   This array includes unreachable segments.
+   * @param {boolean} reachable A flag which shows this is reachable.
+   */
+  constructor(id, allPrevSegments, reachable) {
+    /**
+     * The identifier of this code path.
+     * Rules use it to store additional information of each rule.
+     * @type {string}
+     */
+    this.id = id;
+    /**
+     * An array of the next segments.
+     * @type {CodePathSegment[]}
+     */
+
+    this.nextSegments = [];
+    /**
+     * An array of the previous segments.
+     * @type {CodePathSegment[]}
+     */
+
+    this.prevSegments = allPrevSegments.filter(isReachable);
+    /**
+     * An array of the next segments.
+     * This array includes unreachable segments.
+     * @type {CodePathSegment[]}
+     */
+
+    this.allNextSegments = [];
+    /**
+     * An array of the previous segments.
+     * This array includes unreachable segments.
+     * @type {CodePathSegment[]}
+     */
+
+    this.allPrevSegments = allPrevSegments;
+    /**
+     * A flag which shows this is reachable.
+     * @type {boolean}
+     */
+
+    this.reachable = reachable; // Internal data.
+
+    Object.defineProperty(this, "internal", {
+      value: {
+        used: false,
+        loopedPrevSegments: []
+      }
+    });
+    /* istanbul ignore if */
+
+    if (debug.enabled) {
+      this.internal.nodes = [];
+      this.internal.exitNodes = [];
+    }
+  }
+  /**
+   * Checks a given previous segment is coming from the end of a loop.
+   * @param {CodePathSegment} segment A previous segment to check.
+   * @returns {boolean} `true` if the segment is coming from the end of a loop.
+   */
+
+
+  isLoopedPrevSegment(segment) {
+    return this.internal.loopedPrevSegments.indexOf(segment) !== -1;
+  }
+  /**
+   * Creates the root segment.
+   * @param {string} id An identifier.
+   * @returns {CodePathSegment} The created segment.
+   */
+
+
+  static newRoot(id) {
+    return new CodePathSegment(id, [], true);
+  }
+  /**
+   * Creates a segment that follows given segments.
+   * @param {string} id An identifier.
+   * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+   * @returns {CodePathSegment} The created segment.
+   */
+
+
+  static newNext(id, allPrevSegments) {
+    return new CodePathSegment(id, CodePathSegment.flattenUnusedSegments(allPrevSegments), allPrevSegments.some(isReachable));
+  }
+  /**
+   * Creates an unreachable segment that follows given segments.
+   * @param {string} id An identifier.
+   * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+   * @returns {CodePathSegment} The created segment.
+   */
+
+
+  static newUnreachable(id, allPrevSegments) {
+    const segment = new CodePathSegment(id, CodePathSegment.flattenUnusedSegments(allPrevSegments), false);
+    /*
+     * In `if (a) return a; foo();` case, the unreachable segment preceded by
+     * the return statement is not used but must not be remove.
+     */
+
+    CodePathSegment.markUsed(segment);
+    return segment;
+  }
+  /**
+   * Creates a segment that follows given segments.
+   * This factory method does not connect with `allPrevSegments`.
+   * But this inherits `reachable` flag.
+   * @param {string} id An identifier.
+   * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
+   * @returns {CodePathSegment} The created segment.
+   */
+
+
+  static newDisconnected(id, allPrevSegments) {
+    return new CodePathSegment(id, [], allPrevSegments.some(isReachable));
+  }
+  /**
+   * Makes a given segment being used.
+   *
+   * And this function registers the segment into the previous segments as a next.
+   * @param {CodePathSegment} segment A segment to mark.
+   * @returns {void}
+   */
+
+
+  static markUsed(segment) {
+    if (segment.internal.used) {
+      return;
+    }
+
+    segment.internal.used = true;
+    let i;
+
+    if (segment.reachable) {
+      for (i = 0; i < segment.allPrevSegments.length; ++i) {
+        const prevSegment = segment.allPrevSegments[i];
+        prevSegment.allNextSegments.push(segment);
+        prevSegment.nextSegments.push(segment);
+      }
+    } else {
+      for (i = 0; i < segment.allPrevSegments.length; ++i) {
+        segment.allPrevSegments[i].allNextSegments.push(segment);
+      }
+    }
+  }
+  /**
+   * Marks a previous segment as looped.
+   * @param {CodePathSegment} segment A segment.
+   * @param {CodePathSegment} prevSegment A previous segment to mark.
+   * @returns {void}
+   */
+
+
+  static markPrevSegmentAsLooped(segment, prevSegment) {
+    segment.internal.loopedPrevSegments.push(prevSegment);
+  }
+  /**
+   * Replaces unused segments with the previous segments of each unused segment.
+   * @param {CodePathSegment[]} segments An array of segments to replace.
+   * @returns {CodePathSegment[]} The replaced array.
+   */
+
+
+  static flattenUnusedSegments(segments) {
+    const done = Object.create(null);
+    const retv = [];
+
+    for (let i = 0; i < segments.length; ++i) {
+      const segment = segments[i]; // Ignores duplicated.
+
+      if (done[segment.id]) {
+        continue;
+      } // Use previous segments if unused.
+
+
+      if (!segment.internal.used) {
+        for (let j = 0; j < segment.allPrevSegments.length; ++j) {
+          const prevSegment = segment.allPrevSegments[j];
+
+          if (!done[prevSegment.id]) {
+            done[prevSegment.id] = true;
+            retv.push(prevSegment);
+          }
+        }
+      } else {
+        done[segment.id] = true;
+        retv.push(segment);
+      }
+    }
+
+    return retv;
+  }
+
+}
+
+module.exports = CodePathSegment;
+
+/***/ }),
+/* 794 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Helpers to debug for code path analysis.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = __webpack_require__(416)("eslint:code-path"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets id of a given segment.
+ * @param {CodePathSegment} segment A segment to get.
+ * @returns {string} Id of the segment.
+ */
+
+/* istanbul ignore next */
+
+
+function getId(segment) {
+  // eslint-disable-line jsdoc/require-jsdoc
+  return segment.id + (segment.reachable ? "" : "!");
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  /**
+   * A flag that debug dumping is enabled or not.
+   * @type {boolean}
+   */
+  enabled: debug.enabled,
+
+  /**
+   * Dumps given objects.
+   * @param {...any} args objects to dump.
+   * @returns {void}
+   */
+  dump: debug,
+
+  /**
+   * Dumps the current analyzing state.
+   * @param {ASTNode} node A node to dump.
+   * @param {CodePathState} state A state to dump.
+   * @param {boolean} leaving A flag whether or not it's leaving
+   * @returns {void}
+   */
+  dumpState: !debug.enabled ? debug :
+  /* istanbul ignore next */
+  function (node, state, leaving) {
+    for (let i = 0; i < state.currentSegments.length; ++i) {
+      const segInternal = state.currentSegments[i].internal;
+
+      if (leaving) {
+        segInternal.exitNodes.push(node);
+      } else {
+        segInternal.nodes.push(node);
+      }
+    }
+
+    debug(["".concat(state.currentSegments.map(getId).join(","), ")"), "".concat(node.type).concat(leaving ? ":exit" : "")].join(" "));
+  },
+
+  /**
+   * Dumps a DOT code of a given code path.
+   * The DOT code can be visualized with Graphvis.
+   * @param {CodePath} codePath A code path to dump.
+   * @returns {void}
+   * @see http://www.graphviz.org
+   * @see http://www.webgraphviz.com
+   */
+  dumpDot: !debug.enabled ? debug :
+  /* istanbul ignore next */
+  function (codePath) {
+    let text = "\n" + "digraph {\n" + "node[shape=box,style=\"rounded,filled\",fillcolor=white];\n" + "initial[label=\"\",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];\n";
+
+    if (codePath.returnedSegments.length > 0) {
+      text += "final[label=\"\",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];\n";
+    }
+
+    if (codePath.thrownSegments.length > 0) {
+      text += "thrown[label=\"✘\",shape=circle,width=0.3,height=0.3,fixedsize];\n";
+    }
+
+    const traceMap = Object.create(null);
+    const arrows = this.makeDotArrows(codePath, traceMap);
+
+    for (const id in traceMap) {
+      // eslint-disable-line guard-for-in
+      const segment = traceMap[id];
+      text += "".concat(id, "[");
+
+      if (segment.reachable) {
+        text += "label=\"";
+      } else {
+        text += "style=\"rounded,dashed,filled\",fillcolor=\"#FF9800\",label=\"<<unreachable>>\\n";
+      }
+
+      if (segment.internal.nodes.length > 0 || segment.internal.exitNodes.length > 0) {
+        text += [].concat(segment.internal.nodes.map(node => {
+          switch (node.type) {
+            case "Identifier":
+              return "".concat(node.type, " (").concat(node.name, ")");
+
+            case "Literal":
+              return "".concat(node.type, " (").concat(node.value, ")");
+
+            default:
+              return node.type;
+          }
+        }), segment.internal.exitNodes.map(node => {
+          switch (node.type) {
+            case "Identifier":
+              return "".concat(node.type, ":exit (").concat(node.name, ")");
+
+            case "Literal":
+              return "".concat(node.type, ":exit (").concat(node.value, ")");
+
+            default:
+              return "".concat(node.type, ":exit");
+          }
+        })).join("\\n");
+      } else {
+        text += "????";
+      }
+
+      text += "\"];\n";
+    }
+
+    text += "".concat(arrows, "\n");
+    text += "}";
+    debug("DOT", text);
+  },
+
+  /**
+   * Makes a DOT code of a given code path.
+   * The DOT code can be visualized with Graphvis.
+   * @param {CodePath} codePath A code path to make DOT.
+   * @param {Object} traceMap Optional. A map to check whether or not segments had been done.
+   * @returns {string} A DOT code of the code path.
+   */
+  makeDotArrows(codePath, traceMap) {
+    const stack = [[codePath.initialSegment, 0]];
+    const done = traceMap || Object.create(null);
+    let lastId = codePath.initialSegment.id;
+    let text = "initial->".concat(codePath.initialSegment.id);
+
+    while (stack.length > 0) {
+      const item = stack.pop();
+      const segment = item[0];
+      const index = item[1];
+
+      if (done[segment.id] && index === 0) {
+        continue;
+      }
+
+      done[segment.id] = segment;
+      const nextSegment = segment.allNextSegments[index];
+
+      if (!nextSegment) {
+        continue;
+      }
+
+      if (lastId === segment.id) {
+        text += "->".concat(nextSegment.id);
+      } else {
+        text += ";\n".concat(segment.id, "->").concat(nextSegment.id);
+      }
+
+      lastId = nextSegment.id;
+      stack.unshift([segment, 1 + index]);
+      stack.push([nextSegment, 0]);
+    }
+
+    codePath.returnedSegments.forEach(finalSegment => {
+      if (lastId === finalSegment.id) {
+        text += "->final";
+      } else {
+        text += ";\n".concat(finalSegment.id, "->final");
+      }
+
+      lastId = null;
+    });
+    codePath.thrownSegments.forEach(finalSegment => {
+      if (lastId === finalSegment.id) {
+        text += "->thrown";
+      } else {
+        text += ";\n".concat(finalSegment.id, "->thrown");
+      }
+
+      lastId = null;
+    });
+    return "".concat(text, ";");
+  }
+
+};
+
+/***/ }),
+/* 795 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class to operate forking.
+ *
+ * This is state of forking.
+ * This has a fork list and manages it.
+ *
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = __webpack_require__(379),
+      CodePathSegment = __webpack_require__(793); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets whether or not a given segment is reachable.
+ * @param {CodePathSegment} segment A segment to get.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+
+
+function isReachable(segment) {
+  return segment.reachable;
+}
+/**
+ * Creates new segments from the specific range of `context.segmentsList`.
+ *
+ * When `context.segmentsList` is `[[a, b], [c, d], [e, f]]`, `begin` is `0`, and
+ * `end` is `-1`, this creates `[g, h]`. This `g` is from `a`, `c`, and `e`.
+ * This `h` is from `b`, `d`, and `f`.
+ * @param {ForkContext} context An instance.
+ * @param {number} begin The first index of the previous segments.
+ * @param {number} end The last index of the previous segments.
+ * @param {Function} create A factory function of new segments.
+ * @returns {CodePathSegment[]} New segments.
+ */
+
+
+function makeSegments(context, begin, end, create) {
+  const list = context.segmentsList;
+  const normalizedBegin = begin >= 0 ? begin : list.length + begin;
+  const normalizedEnd = end >= 0 ? end : list.length + end;
+  const segments = [];
+
+  for (let i = 0; i < context.count; ++i) {
+    const allPrevSegments = [];
+
+    for (let j = normalizedBegin; j <= normalizedEnd; ++j) {
+      allPrevSegments.push(list[j][i]);
+    }
+
+    segments.push(create(context.idGenerator.next(), allPrevSegments));
+  }
+
+  return segments;
+}
+/**
+ * `segments` becomes doubly in a `finally` block. Then if a code path exits by a
+ * control statement (such as `break`, `continue`) from the `finally` block, the
+ * destination's segments may be half of the source segments. In that case, this
+ * merges segments.
+ * @param {ForkContext} context An instance.
+ * @param {CodePathSegment[]} segments Segments to merge.
+ * @returns {CodePathSegment[]} The merged segments.
+ */
+
+
+function mergeExtraSegments(context, segments) {
+  let currentSegments = segments;
+
+  while (currentSegments.length > context.count) {
+    const merged = [];
+
+    for (let i = 0, length = currentSegments.length / 2 | 0; i < length; ++i) {
+      merged.push(CodePathSegment.newNext(context.idGenerator.next(), [currentSegments[i], currentSegments[i + length]]));
+    }
+
+    currentSegments = merged;
+  }
+
+  return currentSegments;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A class to manage forking.
+ */
+
+
+class ForkContext {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {IdGenerator} idGenerator An identifier generator for segments.
+   * @param {ForkContext|null} upper An upper fork context.
+   * @param {number} count A number of parallel segments.
+   */
+  constructor(idGenerator, upper, count) {
+    this.idGenerator = idGenerator;
+    this.upper = upper;
+    this.count = count;
+    this.segmentsList = [];
+  }
+  /**
+   * The head segments.
+   * @type {CodePathSegment[]}
+   */
+
+
+  get head() {
+    const list = this.segmentsList;
+    return list.length === 0 ? [] : list[list.length - 1];
+  }
+  /**
+   * A flag which shows empty.
+   * @type {boolean}
+   */
+
+
+  get empty() {
+    return this.segmentsList.length === 0;
+  }
+  /**
+   * A flag which shows reachable.
+   * @type {boolean}
+   */
+
+
+  get reachable() {
+    const segments = this.head;
+    return segments.length > 0 && segments.some(isReachable);
+  }
+  /**
+   * Creates new segments from this context.
+   * @param {number} begin The first index of previous segments.
+   * @param {number} end The last index of previous segments.
+   * @returns {CodePathSegment[]} New segments.
+   */
+
+
+  makeNext(begin, end) {
+    return makeSegments(this, begin, end, CodePathSegment.newNext);
+  }
+  /**
+   * Creates new segments from this context.
+   * The new segments is always unreachable.
+   * @param {number} begin The first index of previous segments.
+   * @param {number} end The last index of previous segments.
+   * @returns {CodePathSegment[]} New segments.
+   */
+
+
+  makeUnreachable(begin, end) {
+    return makeSegments(this, begin, end, CodePathSegment.newUnreachable);
+  }
+  /**
+   * Creates new segments from this context.
+   * The new segments don't have connections for previous segments.
+   * But these inherit the reachable flag from this context.
+   * @param {number} begin The first index of previous segments.
+   * @param {number} end The last index of previous segments.
+   * @returns {CodePathSegment[]} New segments.
+   */
+
+
+  makeDisconnected(begin, end) {
+    return makeSegments(this, begin, end, CodePathSegment.newDisconnected);
+  }
+  /**
+   * Adds segments into this context.
+   * The added segments become the head.
+   * @param {CodePathSegment[]} segments Segments to add.
+   * @returns {void}
+   */
+
+
+  add(segments) {
+    assert(segments.length >= this.count, "".concat(segments.length, " >= ").concat(this.count));
+    this.segmentsList.push(mergeExtraSegments(this, segments));
+  }
+  /**
+   * Replaces the head segments with given segments.
+   * The current head segments are removed.
+   * @param {CodePathSegment[]} segments Segments to add.
+   * @returns {void}
+   */
+
+
+  replaceHead(segments) {
+    assert(segments.length >= this.count, "".concat(segments.length, " >= ").concat(this.count));
+    this.segmentsList.splice(-1, 1, mergeExtraSegments(this, segments));
+  }
+  /**
+   * Adds all segments of a given fork context into this context.
+   * @param {ForkContext} context A fork context to add.
+   * @returns {void}
+   */
+
+
+  addAll(context) {
+    assert(context.count === this.count);
+    const source = context.segmentsList;
+
+    for (let i = 0; i < source.length; ++i) {
+      this.segmentsList.push(source[i]);
+    }
+  }
+  /**
+   * Clears all segments in this context.
+   * @returns {void}
+   */
+
+
+  clear() {
+    this.segmentsList = [];
+  }
+  /**
+   * Creates the root fork context.
+   * @param {IdGenerator} idGenerator An identifier generator for segments.
+   * @returns {ForkContext} New fork context.
+   */
+
+
+  static newRoot(idGenerator) {
+    const context = new ForkContext(idGenerator, null, 1);
+    context.add([CodePathSegment.newRoot(idGenerator.next())]);
+    return context;
+  }
+  /**
+   * Creates an empty fork context preceded by a given context.
+   * @param {ForkContext} parentContext The parent fork context.
+   * @param {boolean} forkLeavingPath A flag which shows inside of `finally` block.
+   * @returns {ForkContext} New fork context.
+   */
+
+
+  static newEmpty(parentContext, forkLeavingPath) {
+    return new ForkContext(parentContext.idGenerator, parentContext, (forkLeavingPath ? 2 : 1) * parentContext.count);
+  }
+
+}
+
+module.exports = ForkContext;
+
+/***/ }),
+/* 796 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A class of identifiers generator for code path segments.
+ *
+ * Each rule uses the identifier of code path segments to store additional
+ * information of the code path.
+ *
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A generator for unique ids.
+ */
+
+class IdGenerator {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} prefix Optional. A prefix of generated ids.
+   */
+  constructor(prefix) {
+    this.prefix = String(prefix);
+    this.n = 0;
+  }
+  /**
+   * Generates id.
+   * @returns {string} A generated id.
+   */
+
+
+  next() {
+    this.n = 1 + this.n | 0;
+    /* istanbul ignore if */
+
+    if (this.n < 0) {
+      this.n = 1;
+    }
+
+    return this.prefix + this.n;
+  }
+
+}
+
+module.exports = IdGenerator;
+
+/***/ }),
+/* 797 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A module that filters reported problems based on `eslint-disable` and `eslint-enable` comments
+ * @author Teddy Katz
+ */
+
+
+const lodash = __webpack_require__(403);
+/**
+ * Compares the locations of two objects in a source file
+ * @param {{line: number, column: number}} itemA The first object
+ * @param {{line: number, column: number}} itemB The second object
+ * @returns {number} A value less than 1 if itemA appears before itemB in the source file, greater than 1 if
+ * itemA appears after itemB in the source file, or 0 if itemA and itemB have the same location.
+ */
+
+
+function compareLocations(itemA, itemB) {
+  return itemA.line - itemB.line || itemA.column - itemB.column;
+}
+/**
+ * This is the same as the exported function, except that it
+ * doesn't handle disable-line and disable-next-line directives, and it always reports unused
+ * disable directives.
+ * @param {Object} options options for applying directives. This is the same as the options
+ * for the exported function, except that `reportUnusedDisableDirectives` is not supported
+ * (this function always reports unused disable directives).
+ * @returns {{problems: Problem[], unusedDisableDirectives: Problem[]}} An object with a list
+ * of filtered problems and unused eslint-disable directives
+ */
+
+
+function applyDirectives(options) {
+  const problems = [];
+  let nextDirectiveIndex = 0;
+  let currentGlobalDisableDirective = null;
+  const disabledRuleMap = new Map(); // enabledRules is only used when there is a current global disable directive.
+
+  const enabledRules = new Set();
+  const usedDisableDirectives = new Set();
+
+  for (const problem of options.problems) {
+    while (nextDirectiveIndex < options.directives.length && compareLocations(options.directives[nextDirectiveIndex], problem) <= 0) {
+      const directive = options.directives[nextDirectiveIndex++];
+
+      switch (directive.type) {
+        case "disable":
+          if (directive.ruleId === null) {
+            currentGlobalDisableDirective = directive;
+            disabledRuleMap.clear();
+            enabledRules.clear();
+          } else if (currentGlobalDisableDirective) {
+            enabledRules.delete(directive.ruleId);
+            disabledRuleMap.set(directive.ruleId, directive);
+          } else {
+            disabledRuleMap.set(directive.ruleId, directive);
+          }
+
+          break;
+
+        case "enable":
+          if (directive.ruleId === null) {
+            currentGlobalDisableDirective = null;
+            disabledRuleMap.clear();
+          } else if (currentGlobalDisableDirective) {
+            enabledRules.add(directive.ruleId);
+            disabledRuleMap.delete(directive.ruleId);
+          } else {
+            disabledRuleMap.delete(directive.ruleId);
+          }
+
+          break;
+        // no default
+      }
+    }
+
+    if (disabledRuleMap.has(problem.ruleId)) {
+      usedDisableDirectives.add(disabledRuleMap.get(problem.ruleId));
+    } else if (currentGlobalDisableDirective && !enabledRules.has(problem.ruleId)) {
+      usedDisableDirectives.add(currentGlobalDisableDirective);
+    } else {
+      problems.push(problem);
+    }
+  }
+
+  const unusedDisableDirectives = options.directives.filter(directive => directive.type === "disable" && !usedDisableDirectives.has(directive)).map(directive => ({
+    ruleId: null,
+    message: directive.ruleId ? "Unused eslint-disable directive (no problems were reported from '".concat(directive.ruleId, "').") : "Unused eslint-disable directive (no problems were reported).",
+    line: directive.unprocessedDirective.line,
+    column: directive.unprocessedDirective.column,
+    severity: options.reportUnusedDisableDirectives === "warn" ? 1 : 2,
+    nodeType: null
+  }));
+  return {
+    problems,
+    unusedDisableDirectives
+  };
+}
+/**
+ * Given a list of directive comments (i.e. metadata about eslint-disable and eslint-enable comments) and a list
+ * of reported problems, determines which problems should be reported.
+ * @param {Object} options Information about directives and problems
+ * @param {{
+ *      type: ("disable"|"enable"|"disable-line"|"disable-next-line"),
+ *      ruleId: (string|null),
+ *      line: number,
+ *      column: number
+ * }} options.directives Directive comments found in the file, with one-based columns.
+ * Two directive comments can only have the same location if they also have the same type (e.g. a single eslint-disable
+ * comment for two different rules is represented as two directives).
+ * @param {{ruleId: (string|null), line: number, column: number}[]} options.problems
+ * A list of problems reported by rules, sorted by increasing location in the file, with one-based columns.
+ * @param {"off" | "warn" | "error"} options.reportUnusedDisableDirectives If `"warn"` or `"error"`, adds additional problems for unused directives
+ * @returns {{ruleId: (string|null), line: number, column: number}[]}
+ * A list of reported problems that were not disabled by the directive comments.
+ */
+
+
+module.exports = ({
+  directives,
+  problems,
+  reportUnusedDisableDirectives = "off"
+}) => {
+  const blockDirectives = directives.filter(directive => directive.type === "disable" || directive.type === "enable").map(directive => Object.assign({}, directive, {
+    unprocessedDirective: directive
+  })).sort(compareLocations);
+  const lineDirectives = lodash.flatMap(directives, directive => {
+    switch (directive.type) {
+      case "disable":
+      case "enable":
+        return [];
+
+      case "disable-line":
+        return [{
+          type: "disable",
+          line: directive.line,
+          column: 1,
+          ruleId: directive.ruleId,
+          unprocessedDirective: directive
+        }, {
+          type: "enable",
+          line: directive.line + 1,
+          column: 0,
+          ruleId: directive.ruleId,
+          unprocessedDirective: directive
+        }];
+
+      case "disable-next-line":
+        return [{
+          type: "disable",
+          line: directive.line + 1,
+          column: 1,
+          ruleId: directive.ruleId,
+          unprocessedDirective: directive
+        }, {
+          type: "enable",
+          line: directive.line + 2,
+          column: 0,
+          ruleId: directive.ruleId,
+          unprocessedDirective: directive
+        }];
+
+      default:
+        throw new TypeError("Unrecognized directive type '".concat(directive.type, "'"));
+    }
+  }).sort(compareLocations);
+  const blockDirectivesResult = applyDirectives({
+    problems,
+    directives: blockDirectives,
+    reportUnusedDisableDirectives
+  });
+  const lineDirectivesResult = applyDirectives({
+    problems: blockDirectivesResult.problems,
+    directives: lineDirectives,
+    reportUnusedDisableDirectives
+  });
+  return reportUnusedDisableDirectives !== "off" ? lineDirectivesResult.problems.concat(blockDirectivesResult.unusedDisableDirectives).concat(lineDirectivesResult.unusedDisableDirectives).sort(compareLocations) : lineDirectivesResult.problems;
+};
+
+/***/ }),
+/* 798 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Config Comment Parser
+ * @author Nicholas C. Zakas
+ */
+
+/* eslint-disable class-methods-use-this*/
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const levn = __webpack_require__(799),
+      ConfigOps = __webpack_require__(410);
+
+const debug = __webpack_require__(416)("eslint:config-comment-parser"); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Object to parse ESLint configuration comments inside JavaScript files.
+ * @name ConfigCommentParser
+ */
+
+
+module.exports = class ConfigCommentParser {
+  /**
+   * Parses a list of "name:string_value" or/and "name" options divided by comma or
+   * whitespace. Used for "global" and "exported" comments.
+   * @param {string} string The string to parse.
+   * @param {Comment} comment The comment node which has the string.
+   * @returns {Object} Result map object of names and string values, or null values if no value was provided
+   */
+  parseStringConfig(string, comment) {
+    debug("Parsing String config");
+    const items = {}; // Collapse whitespace around `:` and `,` to make parsing easier
+
+    const trimmedString = string.replace(/\s*([:,])\s*/gu, "$1");
+    trimmedString.split(/\s|,+/u).forEach(name => {
+      if (!name) {
+        return;
+      } // value defaults to null (if not provided), e.g: "foo" => ["foo", null]
+
+
+      const [key, value = null] = name.split(":");
+      items[key] = {
+        value,
+        comment
+      };
+    });
+    return items;
+  }
+  /**
+   * Parses a JSON-like config.
+   * @param {string} string The string to parse.
+   * @param {Object} location Start line and column of comments for potential error message.
+   * @returns {({success: true, config: Object}|{success: false, error: Problem})} Result map object
+   */
+
+
+  parseJsonConfig(string, location) {
+    debug("Parsing JSON config");
+    let items = {}; // Parses a JSON-like comment by the same way as parsing CLI option.
+
+    try {
+      items = levn.parse("Object", string) || {}; // Some tests say that it should ignore invalid comments such as `/*eslint no-alert:abc*/`.
+      // Also, commaless notations have invalid severity:
+      //     "no-alert: 2 no-console: 2" --> {"no-alert": "2 no-console: 2"}
+      // Should ignore that case as well.
+
+      if (ConfigOps.isEverySeverityValid(items)) {
+        return {
+          success: true,
+          config: items
+        };
+      }
+    } catch (ex) {
+      debug("Levn parsing failed; falling back to manual parsing."); // ignore to parse the string by a fallback.
+    }
+    /*
+     * Optionator cannot parse commaless notations.
+     * But we are supporting that. So this is a fallback for that.
+     */
+
+
+    items = {};
+    const normalizedString = string.replace(/([-a-zA-Z0-9/]+):/gu, "\"$1\":").replace(/(\]|[0-9])\s+(?=")/u, "$1,");
+
+    try {
+      items = JSON.parse("{".concat(normalizedString, "}"));
+    } catch (ex) {
+      debug("Manual parsing failed.");
+      return {
+        success: false,
+        error: {
+          ruleId: null,
+          fatal: true,
+          severity: 2,
+          message: "Failed to parse JSON from '".concat(normalizedString, "': ").concat(ex.message),
+          line: location.start.line,
+          column: location.start.column + 1
+        }
+      };
+    }
+
+    return {
+      success: true,
+      config: items
+    };
+  }
+  /**
+   * Parses a config of values separated by comma.
+   * @param {string} string The string to parse.
+   * @returns {Object} Result map of values and true values
+   */
+
+
+  parseListConfig(string) {
+    debug("Parsing list config");
+    const items = {}; // Collapse whitespace around commas
+
+    string.replace(/\s*,\s*/gu, ",").split(/,+/u).forEach(name => {
+      const trimmedName = name.trim();
+
+      if (trimmedName) {
+        items[trimmedName] = true;
+      }
+    });
+    return items;
+  }
+
+};
+
+/***/ }),
+/* 799 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var parseString, cast, parseType, VERSION, parsedTypeParse, parse;
+  parseString = __webpack_require__(800);
+  cast = __webpack_require__(807);
+  parseType = __webpack_require__(808).parseType;
+  VERSION = '0.3.0';
+
+  parsedTypeParse = function parsedTypeParse(parsedType, string, options) {
+    options == null && (options = {});
+    options.explicit == null && (options.explicit = false);
+    options.customTypes == null && (options.customTypes = {});
+    return cast(parseString(parsedType, string, options), parsedType, options);
+  };
+
+  parse = function parse(type, string, options) {
+    return parsedTypeParse(parseType(type), string, options);
+  };
+
+  module.exports = {
+    VERSION: VERSION,
+    parse: parse,
+    parsedTypeParse: parsedTypeParse
+  };
+}).call(this);
+
+/***/ }),
+/* 800 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var reject, special, tokenRegex;
+  reject = __webpack_require__(801).reject;
+
+  function consumeOp(tokens, op) {
+    if (tokens[0] === op) {
+      return tokens.shift();
+    } else {
+      throw new Error("Expected '" + op + "', but got '" + tokens[0] + "' instead in " + JSON.stringify(tokens) + ".");
+    }
+  }
+
+  function maybeConsumeOp(tokens, op) {
+    if (tokens[0] === op) {
+      return tokens.shift();
+    }
+  }
+
+  function consumeList(tokens, arg$, hasDelimiters) {
+    var open, close, result, untilTest;
+    open = arg$[0], close = arg$[1];
+
+    if (hasDelimiters) {
+      consumeOp(tokens, open);
+    }
+
+    result = [];
+    untilTest = "," + (hasDelimiters ? close : '');
+
+    while (tokens.length && hasDelimiters && tokens[0] !== close) {
+      result.push(consumeElement(tokens, untilTest));
+      maybeConsumeOp(tokens, ',');
+    }
+
+    if (hasDelimiters) {
+      consumeOp(tokens, close);
+    }
+
+    return result;
+  }
+
+  function consumeArray(tokens, hasDelimiters) {
+    return consumeList(tokens, ['[', ']'], hasDelimiters);
+  }
+
+  function consumeTuple(tokens, hasDelimiters) {
+    return consumeList(tokens, ['(', ')'], hasDelimiters);
+  }
+
+  function consumeFields(tokens, hasDelimiters) {
+    var result, untilTest, key;
+
+    if (hasDelimiters) {
+      consumeOp(tokens, '{');
+    }
+
+    result = {};
+    untilTest = "," + (hasDelimiters ? '}' : '');
+
+    while (tokens.length && (!hasDelimiters || tokens[0] !== '}')) {
+      key = consumeValue(tokens, ':');
+      consumeOp(tokens, ':');
+      result[key] = consumeElement(tokens, untilTest);
+      maybeConsumeOp(tokens, ',');
+    }
+
+    if (hasDelimiters) {
+      consumeOp(tokens, '}');
+    }
+
+    return result;
+  }
+
+  function consumeValue(tokens, untilTest) {
+    var out;
+    untilTest == null && (untilTest = '');
+    out = '';
+
+    while (tokens.length && -1 === untilTest.indexOf(tokens[0])) {
+      out += tokens.shift();
+    }
+
+    return out;
+  }
+
+  function consumeElement(tokens, untilTest) {
+    switch (tokens[0]) {
+      case '[':
+        return consumeArray(tokens, true);
+
+      case '(':
+        return consumeTuple(tokens, true);
+
+      case '{':
+        return consumeFields(tokens, true);
+
+      default:
+        return consumeValue(tokens, untilTest);
+    }
+  }
+
+  function consumeTopLevel(tokens, types, options) {
+    var ref$, type, structure, origTokens, result, finalResult, x$, y$;
+    ref$ = types[0], type = ref$.type, structure = ref$.structure;
+    origTokens = tokens.concat();
+
+    if (!options.explicit && types.length === 1 && (!type && structure || type === 'Array' || type === 'Object')) {
+      result = structure === 'array' || type === 'Array' ? consumeArray(tokens, tokens[0] === '[') : structure === 'tuple' ? consumeTuple(tokens, tokens[0] === '(') : consumeFields(tokens, tokens[0] === '{');
+      finalResult = tokens.length ? consumeElement(structure === 'array' || type === 'Array' ? (x$ = origTokens, x$.unshift('['), x$.push(']'), x$) : (y$ = origTokens, y$.unshift('('), y$.push(')'), y$)) : result;
+    } else {
+      finalResult = consumeElement(tokens);
+    }
+
+    return finalResult;
+  }
+
+  special = /\[\]\(\)}{:,/.source;
+  tokenRegex = RegExp('("(?:\\\\"|[^"])*")|(\'(?:\\\\\'|[^\'])*\')|(/(?:\\\\/|[^/])*/[a-zA-Z]*)|(#.*#)|([' + special + '])|([^\\s' + special + '](?:\\s*[^\\s' + special + ']+)*)|\\s*');
+
+  module.exports = function (types, string, options) {
+    var tokens, node;
+    options == null && (options = {});
+
+    if (!options.explicit && types.length === 1 && types[0].type === 'String') {
+      return "'" + string.replace(/\\'/g, "\\\\'") + "'";
+    }
+
+    tokens = reject(not$, string.split(tokenRegex));
+    node = consumeTopLevel(tokens, types, options);
+
+    if (!node) {
+      throw new Error("Error parsing '" + string + "'.");
+    }
+
+    return node;
+  };
+
+  function not$(x) {
+    return !x;
+  }
+}).call(this);
+
+/***/ }),
+/* 801 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+var Func,
+    List,
+    Obj,
+    Str,
+    Num,
+    id,
+    isType,
+    replicate,
+    prelude,
+    toString$ = {}.toString;
+Func = __webpack_require__(802);
+List = __webpack_require__(803);
+Obj = __webpack_require__(804);
+Str = __webpack_require__(805);
+Num = __webpack_require__(806);
+
+id = function id(x) {
+  return x;
+};
+
+isType = curry$(function (type, x) {
+  return toString$.call(x).slice(8, -1) === type;
+});
+replicate = curry$(function (n, x) {
+  var i$,
+      results$ = [];
+
+  for (i$ = 0; i$ < n; ++i$) {
+    results$.push(x);
+  }
+
+  return results$;
+});
+Str.empty = List.empty;
+Str.slice = List.slice;
+Str.take = List.take;
+Str.drop = List.drop;
+Str.splitAt = List.splitAt;
+Str.takeWhile = List.takeWhile;
+Str.dropWhile = List.dropWhile;
+Str.span = List.span;
+Str.breakStr = List.breakList;
+prelude = {
+  Func: Func,
+  List: List,
+  Obj: Obj,
+  Str: Str,
+  Num: Num,
+  id: id,
+  isType: isType,
+  replicate: replicate
+};
+prelude.each = List.each;
+prelude.map = List.map;
+prelude.filter = List.filter;
+prelude.compact = List.compact;
+prelude.reject = List.reject;
+prelude.partition = List.partition;
+prelude.find = List.find;
+prelude.head = List.head;
+prelude.first = List.first;
+prelude.tail = List.tail;
+prelude.last = List.last;
+prelude.initial = List.initial;
+prelude.empty = List.empty;
+prelude.reverse = List.reverse;
+prelude.difference = List.difference;
+prelude.intersection = List.intersection;
+prelude.union = List.union;
+prelude.countBy = List.countBy;
+prelude.groupBy = List.groupBy;
+prelude.fold = List.fold;
+prelude.foldl = List.foldl;
+prelude.fold1 = List.fold1;
+prelude.foldl1 = List.foldl1;
+prelude.foldr = List.foldr;
+prelude.foldr1 = List.foldr1;
+prelude.unfoldr = List.unfoldr;
+prelude.andList = List.andList;
+prelude.orList = List.orList;
+prelude.any = List.any;
+prelude.all = List.all;
+prelude.unique = List.unique;
+prelude.uniqueBy = List.uniqueBy;
+prelude.sort = List.sort;
+prelude.sortWith = List.sortWith;
+prelude.sortBy = List.sortBy;
+prelude.sum = List.sum;
+prelude.product = List.product;
+prelude.mean = List.mean;
+prelude.average = List.average;
+prelude.concat = List.concat;
+prelude.concatMap = List.concatMap;
+prelude.flatten = List.flatten;
+prelude.maximum = List.maximum;
+prelude.minimum = List.minimum;
+prelude.maximumBy = List.maximumBy;
+prelude.minimumBy = List.minimumBy;
+prelude.scan = List.scan;
+prelude.scanl = List.scanl;
+prelude.scan1 = List.scan1;
+prelude.scanl1 = List.scanl1;
+prelude.scanr = List.scanr;
+prelude.scanr1 = List.scanr1;
+prelude.slice = List.slice;
+prelude.take = List.take;
+prelude.drop = List.drop;
+prelude.splitAt = List.splitAt;
+prelude.takeWhile = List.takeWhile;
+prelude.dropWhile = List.dropWhile;
+prelude.span = List.span;
+prelude.breakList = List.breakList;
+prelude.zip = List.zip;
+prelude.zipWith = List.zipWith;
+prelude.zipAll = List.zipAll;
+prelude.zipAllWith = List.zipAllWith;
+prelude.at = List.at;
+prelude.elemIndex = List.elemIndex;
+prelude.elemIndices = List.elemIndices;
+prelude.findIndex = List.findIndex;
+prelude.findIndices = List.findIndices;
+prelude.apply = Func.apply;
+prelude.curry = Func.curry;
+prelude.flip = Func.flip;
+prelude.fix = Func.fix;
+prelude.over = Func.over;
+prelude.split = Str.split;
+prelude.join = Str.join;
+prelude.lines = Str.lines;
+prelude.unlines = Str.unlines;
+prelude.words = Str.words;
+prelude.unwords = Str.unwords;
+prelude.chars = Str.chars;
+prelude.unchars = Str.unchars;
+prelude.repeat = Str.repeat;
+prelude.capitalize = Str.capitalize;
+prelude.camelize = Str.camelize;
+prelude.dasherize = Str.dasherize;
+prelude.values = Obj.values;
+prelude.keys = Obj.keys;
+prelude.pairsToObj = Obj.pairsToObj;
+prelude.objToPairs = Obj.objToPairs;
+prelude.listsToObj = Obj.listsToObj;
+prelude.objToLists = Obj.objToLists;
+prelude.max = Num.max;
+prelude.min = Num.min;
+prelude.negate = Num.negate;
+prelude.abs = Num.abs;
+prelude.signum = Num.signum;
+prelude.quot = Num.quot;
+prelude.rem = Num.rem;
+prelude.div = Num.div;
+prelude.mod = Num.mod;
+prelude.recip = Num.recip;
+prelude.pi = Num.pi;
+prelude.tau = Num.tau;
+prelude.exp = Num.exp;
+prelude.sqrt = Num.sqrt;
+prelude.ln = Num.ln;
+prelude.pow = Num.pow;
+prelude.sin = Num.sin;
+prelude.tan = Num.tan;
+prelude.cos = Num.cos;
+prelude.acos = Num.acos;
+prelude.asin = Num.asin;
+prelude.atan = Num.atan;
+prelude.atan2 = Num.atan2;
+prelude.truncate = Num.truncate;
+prelude.round = Num.round;
+prelude.ceiling = Num.ceiling;
+prelude.floor = Num.floor;
+prelude.isItNaN = Num.isItNaN;
+prelude.even = Num.even;
+prelude.odd = Num.odd;
+prelude.gcd = Num.gcd;
+prelude.lcm = Num.lcm;
+prelude.VERSION = '1.1.2';
+module.exports = prelude;
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+/***/ }),
+/* 802 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+var apply,
+    curry,
+    flip,
+    fix,
+    over,
+    memoize,
+    slice$ = [].slice,
+    toString$ = {}.toString;
+apply = curry$(function (f, list) {
+  return f.apply(null, list);
+});
+
+curry = function curry(f) {
+  return curry$(f);
+};
+
+flip = curry$(function (f, x, y) {
+  return f(y, x);
+});
+
+fix = function fix(f) {
+  return function (g) {
+    return function () {
+      return f(g(g)).apply(null, arguments);
+    };
+  }(function (g) {
+    return function () {
+      return f(g(g)).apply(null, arguments);
+    };
+  });
+};
+
+over = curry$(function (f, g, x, y) {
+  return f(g(x), g(y));
+});
+
+memoize = function memoize(f) {
+  var memo;
+  memo = {};
+  return function () {
+    var args, key, arg;
+    args = slice$.call(arguments);
+
+    key = function () {
+      var i$,
+          ref$,
+          len$,
+          results$ = [];
+
+      for (i$ = 0, len$ = (ref$ = args).length; i$ < len$; ++i$) {
+        arg = ref$[i$];
+        results$.push(arg + toString$.call(arg).slice(8, -1));
+      }
+
+      return results$;
+    }().join('');
+
+    return memo[key] = key in memo ? memo[key] : f.apply(null, args);
+  };
+};
+
+module.exports = {
+  curry: curry,
+  flip: flip,
+  fix: fix,
+  apply: apply,
+  over: over,
+  memoize: memoize
+};
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+/***/ }),
+/* 803 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+var each,
+    map,
+    compact,
+    filter,
+    reject,
+    partition,
+    find,
+    head,
+    first,
+    tail,
+    last,
+    initial,
+    empty,
+    reverse,
+    unique,
+    uniqueBy,
+    fold,
+    foldl,
+    fold1,
+    foldl1,
+    foldr,
+    foldr1,
+    unfoldr,
+    concat,
+    concatMap,
+    _flatten,
+    difference,
+    intersection,
+    union,
+    countBy,
+    groupBy,
+    andList,
+    orList,
+    any,
+    all,
+    sort,
+    sortWith,
+    sortBy,
+    sum,
+    product,
+    mean,
+    average,
+    maximum,
+    minimum,
+    maximumBy,
+    minimumBy,
+    scan,
+    scanl,
+    scan1,
+    scanl1,
+    scanr,
+    scanr1,
+    slice,
+    take,
+    drop,
+    splitAt,
+    takeWhile,
+    dropWhile,
+    span,
+    breakList,
+    zip,
+    zipWith,
+    zipAll,
+    zipAllWith,
+    at,
+    elemIndex,
+    elemIndices,
+    findIndex,
+    findIndices,
+    toString$ = {}.toString,
+    slice$ = [].slice;
+
+each = curry$(function (f, xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    f(x);
+  }
+
+  return xs;
+});
+map = curry$(function (f, xs) {
+  var i$,
+      len$,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    results$.push(f(x));
+  }
+
+  return results$;
+});
+
+compact = function compact(xs) {
+  var i$,
+      len$,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (x) {
+      results$.push(x);
+    }
+  }
+
+  return results$;
+};
+
+filter = curry$(function (f, xs) {
+  var i$,
+      len$,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (f(x)) {
+      results$.push(x);
+    }
+  }
+
+  return results$;
+});
+reject = curry$(function (f, xs) {
+  var i$,
+      len$,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (!f(x)) {
+      results$.push(x);
+    }
+  }
+
+  return results$;
+});
+partition = curry$(function (f, xs) {
+  var passed, failed, i$, len$, x;
+  passed = [];
+  failed = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    (f(x) ? passed : failed).push(x);
+  }
+
+  return [passed, failed];
+});
+find = curry$(function (f, xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (f(x)) {
+      return x;
+    }
+  }
+});
+
+head = first = function first(xs) {
+  return xs[0];
+};
+
+tail = function tail(xs) {
+  if (!xs.length) {
+    return;
+  }
+
+  return xs.slice(1);
+};
+
+last = function last(xs) {
+  return xs[xs.length - 1];
+};
+
+initial = function initial(xs) {
+  if (!xs.length) {
+    return;
+  }
+
+  return xs.slice(0, -1);
+};
+
+empty = function empty(xs) {
+  return !xs.length;
+};
+
+reverse = function reverse(xs) {
+  return xs.concat().reverse();
+};
+
+unique = function unique(xs) {
+  var result, i$, len$, x;
+  result = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (!in$(x, result)) {
+      result.push(x);
+    }
+  }
+
+  return result;
+};
+
+uniqueBy = curry$(function (f, xs) {
+  var seen,
+      i$,
+      len$,
+      x,
+      val,
+      results$ = [];
+  seen = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    val = f(x);
+
+    if (in$(val, seen)) {
+      continue;
+    }
+
+    seen.push(val);
+    results$.push(x);
+  }
+
+  return results$;
+});
+fold = foldl = curry$(function (f, memo, xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    memo = f(memo, x);
+  }
+
+  return memo;
+});
+fold1 = foldl1 = curry$(function (f, xs) {
+  return fold(f, xs[0], xs.slice(1));
+});
+foldr = curry$(function (f, memo, xs) {
+  var i$, x;
+
+  for (i$ = xs.length - 1; i$ >= 0; --i$) {
+    x = xs[i$];
+    memo = f(x, memo);
+  }
+
+  return memo;
+});
+foldr1 = curry$(function (f, xs) {
+  return foldr(f, xs[xs.length - 1], xs.slice(0, -1));
+});
+unfoldr = curry$(function (f, b) {
+  var result, x, that;
+  result = [];
+  x = b;
+
+  while ((that = f(x)) != null) {
+    result.push(that[0]);
+    x = that[1];
+  }
+
+  return result;
+});
+
+concat = function concat(xss) {
+  return [].concat.apply([], xss);
+};
+
+concatMap = curry$(function (f, xs) {
+  var x;
+  return [].concat.apply([], function () {
+    var i$,
+        ref$,
+        len$,
+        results$ = [];
+
+    for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) {
+      x = ref$[i$];
+      results$.push(f(x));
+    }
+
+    return results$;
+  }());
+});
+
+_flatten = function flatten(xs) {
+  var x;
+  return [].concat.apply([], function () {
+    var i$,
+        ref$,
+        len$,
+        results$ = [];
+
+    for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) {
+      x = ref$[i$];
+
+      if (toString$.call(x).slice(8, -1) === 'Array') {
+        results$.push(_flatten(x));
+      } else {
+        results$.push(x);
+      }
+    }
+
+    return results$;
+  }());
+};
+
+difference = function difference(xs) {
+  var yss, results, i$, len$, x, j$, len1$, ys;
+  yss = slice$.call(arguments, 1);
+  results = [];
+
+  outer: for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    for (j$ = 0, len1$ = yss.length; j$ < len1$; ++j$) {
+      ys = yss[j$];
+
+      if (in$(x, ys)) {
+        continue outer;
+      }
+    }
+
+    results.push(x);
+  }
+
+  return results;
+};
+
+intersection = function intersection(xs) {
+  var yss, results, i$, len$, x, j$, len1$, ys;
+  yss = slice$.call(arguments, 1);
+  results = [];
+
+  outer: for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    for (j$ = 0, len1$ = yss.length; j$ < len1$; ++j$) {
+      ys = yss[j$];
+
+      if (!in$(x, ys)) {
+        continue outer;
+      }
+    }
+
+    results.push(x);
+  }
+
+  return results;
+};
+
+union = function union() {
+  var xss, results, i$, len$, xs, j$, len1$, x;
+  xss = slice$.call(arguments);
+  results = [];
+
+  for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) {
+    xs = xss[i$];
+
+    for (j$ = 0, len1$ = xs.length; j$ < len1$; ++j$) {
+      x = xs[j$];
+
+      if (!in$(x, results)) {
+        results.push(x);
+      }
+    }
+  }
+
+  return results;
+};
+
+countBy = curry$(function (f, xs) {
+  var results, i$, len$, x, key;
+  results = {};
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    key = f(x);
+
+    if (key in results) {
+      results[key] += 1;
+    } else {
+      results[key] = 1;
+    }
+  }
+
+  return results;
+});
+groupBy = curry$(function (f, xs) {
+  var results, i$, len$, x, key;
+  results = {};
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    key = f(x);
+
+    if (key in results) {
+      results[key].push(x);
+    } else {
+      results[key] = [x];
+    }
+  }
+
+  return results;
+});
+
+andList = function andList(xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (!x) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+orList = function orList(xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (x) {
+      return true;
+    }
+  }
+
+  return false;
+};
+
+any = curry$(function (f, xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (f(x)) {
+      return true;
+    }
+  }
+
+  return false;
+});
+all = curry$(function (f, xs) {
+  var i$, len$, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+
+    if (!f(x)) {
+      return false;
+    }
+  }
+
+  return true;
+});
+
+sort = function sort(xs) {
+  return xs.concat().sort(function (x, y) {
+    if (x > y) {
+      return 1;
+    } else if (x < y) {
+      return -1;
+    } else {
+      return 0;
+    }
+  });
+};
+
+sortWith = curry$(function (f, xs) {
+  return xs.concat().sort(f);
+});
+sortBy = curry$(function (f, xs) {
+  return xs.concat().sort(function (x, y) {
+    if (f(x) > f(y)) {
+      return 1;
+    } else if (f(x) < f(y)) {
+      return -1;
+    } else {
+      return 0;
+    }
+  });
+});
+
+sum = function sum(xs) {
+  var result, i$, len$, x;
+  result = 0;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    result += x;
+  }
+
+  return result;
+};
+
+product = function product(xs) {
+  var result, i$, len$, x;
+  result = 1;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    result *= x;
+  }
+
+  return result;
+};
+
+mean = average = function average(xs) {
+  var sum, i$, len$, x;
+  sum = 0;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    x = xs[i$];
+    sum += x;
+  }
+
+  return sum / xs.length;
+};
+
+maximum = function maximum(xs) {
+  var max, i$, ref$, len$, x;
+  max = xs[0];
+
+  for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) {
+    x = ref$[i$];
+
+    if (x > max) {
+      max = x;
+    }
+  }
+
+  return max;
+};
+
+minimum = function minimum(xs) {
+  var min, i$, ref$, len$, x;
+  min = xs[0];
+
+  for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) {
+    x = ref$[i$];
+
+    if (x < min) {
+      min = x;
+    }
+  }
+
+  return min;
+};
+
+maximumBy = curry$(function (f, xs) {
+  var max, i$, ref$, len$, x;
+  max = xs[0];
+
+  for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) {
+    x = ref$[i$];
+
+    if (f(x) > f(max)) {
+      max = x;
+    }
+  }
+
+  return max;
+});
+minimumBy = curry$(function (f, xs) {
+  var min, i$, ref$, len$, x;
+  min = xs[0];
+
+  for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) {
+    x = ref$[i$];
+
+    if (f(x) < f(min)) {
+      min = x;
+    }
+  }
+
+  return min;
+});
+scan = scanl = curry$(function (f, memo, xs) {
+  var last, x;
+  last = memo;
+  return [memo].concat(function () {
+    var i$,
+        ref$,
+        len$,
+        results$ = [];
+
+    for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) {
+      x = ref$[i$];
+      results$.push(last = f(last, x));
+    }
+
+    return results$;
+  }());
+});
+scan1 = scanl1 = curry$(function (f, xs) {
+  if (!xs.length) {
+    return;
+  }
+
+  return scan(f, xs[0], xs.slice(1));
+});
+scanr = curry$(function (f, memo, xs) {
+  xs = xs.concat().reverse();
+  return scan(f, memo, xs).reverse();
+});
+scanr1 = curry$(function (f, xs) {
+  if (!xs.length) {
+    return;
+  }
+
+  xs = xs.concat().reverse();
+  return scan(f, xs[0], xs.slice(1)).reverse();
+});
+slice = curry$(function (x, y, xs) {
+  return xs.slice(x, y);
+});
+take = curry$(function (n, xs) {
+  if (n <= 0) {
+    return xs.slice(0, 0);
+  } else {
+    return xs.slice(0, n);
+  }
+});
+drop = curry$(function (n, xs) {
+  if (n <= 0) {
+    return xs;
+  } else {
+    return xs.slice(n);
+  }
+});
+splitAt = curry$(function (n, xs) {
+  return [take(n, xs), drop(n, xs)];
+});
+takeWhile = curry$(function (p, xs) {
+  var len, i;
+  len = xs.length;
+
+  if (!len) {
+    return xs;
+  }
+
+  i = 0;
+
+  while (i < len && p(xs[i])) {
+    i += 1;
+  }
+
+  return xs.slice(0, i);
+});
+dropWhile = curry$(function (p, xs) {
+  var len, i;
+  len = xs.length;
+
+  if (!len) {
+    return xs;
+  }
+
+  i = 0;
+
+  while (i < len && p(xs[i])) {
+    i += 1;
+  }
+
+  return xs.slice(i);
+});
+span = curry$(function (p, xs) {
+  return [takeWhile(p, xs), dropWhile(p, xs)];
+});
+breakList = curry$(function (p, xs) {
+  return span(compose$(p, not$), xs);
+});
+zip = curry$(function (xs, ys) {
+  var result, len, i$, len$, i, x;
+  result = [];
+  len = ys.length;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (i === len) {
+      break;
+    }
+
+    result.push([x, ys[i]]);
+  }
+
+  return result;
+});
+zipWith = curry$(function (f, xs, ys) {
+  var result, len, i$, len$, i, x;
+  result = [];
+  len = ys.length;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (i === len) {
+      break;
+    }
+
+    result.push(f(x, ys[i]));
+  }
+
+  return result;
+});
+
+zipAll = function zipAll() {
+  var xss,
+      minLength,
+      i$,
+      len$,
+      xs,
+      ref$,
+      i,
+      lresult$,
+      j$,
+      results$ = [];
+  xss = slice$.call(arguments);
+  minLength = undefined;
+
+  for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) {
+    xs = xss[i$];
+    minLength <= (ref$ = xs.length) || (minLength = ref$);
+  }
+
+  for (i$ = 0; i$ < minLength; ++i$) {
+    i = i$;
+    lresult$ = [];
+
+    for (j$ = 0, len$ = xss.length; j$ < len$; ++j$) {
+      xs = xss[j$];
+      lresult$.push(xs[i]);
+    }
+
+    results$.push(lresult$);
+  }
+
+  return results$;
+};
+
+zipAllWith = function zipAllWith(f) {
+  var xss,
+      minLength,
+      i$,
+      len$,
+      xs,
+      ref$,
+      i,
+      results$ = [];
+  xss = slice$.call(arguments, 1);
+  minLength = undefined;
+
+  for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) {
+    xs = xss[i$];
+    minLength <= (ref$ = xs.length) || (minLength = ref$);
+  }
+
+  for (i$ = 0; i$ < minLength; ++i$) {
+    i = i$;
+    results$.push(f.apply(null, fn$()));
+  }
+
+  return results$;
+
+  function fn$() {
+    var i$,
+        ref$,
+        len$,
+        results$ = [];
+
+    for (i$ = 0, len$ = (ref$ = xss).length; i$ < len$; ++i$) {
+      xs = ref$[i$];
+      results$.push(xs[i]);
+    }
+
+    return results$;
+  }
+};
+
+at = curry$(function (n, xs) {
+  if (n < 0) {
+    return xs[xs.length + n];
+  } else {
+    return xs[n];
+  }
+});
+elemIndex = curry$(function (el, xs) {
+  var i$, len$, i, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (x === el) {
+      return i;
+    }
+  }
+});
+elemIndices = curry$(function (el, xs) {
+  var i$,
+      len$,
+      i,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (x === el) {
+      results$.push(i);
+    }
+  }
+
+  return results$;
+});
+findIndex = curry$(function (f, xs) {
+  var i$, len$, i, x;
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (f(x)) {
+      return i;
+    }
+  }
+});
+findIndices = curry$(function (f, xs) {
+  var i$,
+      len$,
+      i,
+      x,
+      results$ = [];
+
+  for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) {
+    i = i$;
+    x = xs[i$];
+
+    if (f(x)) {
+      results$.push(i);
+    }
+  }
+
+  return results$;
+});
+module.exports = {
+  each: each,
+  map: map,
+  filter: filter,
+  compact: compact,
+  reject: reject,
+  partition: partition,
+  find: find,
+  head: head,
+  first: first,
+  tail: tail,
+  last: last,
+  initial: initial,
+  empty: empty,
+  reverse: reverse,
+  difference: difference,
+  intersection: intersection,
+  union: union,
+  countBy: countBy,
+  groupBy: groupBy,
+  fold: fold,
+  fold1: fold1,
+  foldl: foldl,
+  foldl1: foldl1,
+  foldr: foldr,
+  foldr1: foldr1,
+  unfoldr: unfoldr,
+  andList: andList,
+  orList: orList,
+  any: any,
+  all: all,
+  unique: unique,
+  uniqueBy: uniqueBy,
+  sort: sort,
+  sortWith: sortWith,
+  sortBy: sortBy,
+  sum: sum,
+  product: product,
+  mean: mean,
+  average: average,
+  concat: concat,
+  concatMap: concatMap,
+  flatten: _flatten,
+  maximum: maximum,
+  minimum: minimum,
+  maximumBy: maximumBy,
+  minimumBy: minimumBy,
+  scan: scan,
+  scan1: scan1,
+  scanl: scanl,
+  scanl1: scanl1,
+  scanr: scanr,
+  scanr1: scanr1,
+  slice: slice,
+  take: take,
+  drop: drop,
+  splitAt: splitAt,
+  takeWhile: takeWhile,
+  dropWhile: dropWhile,
+  span: span,
+  breakList: breakList,
+  zip: zip,
+  zipWith: zipWith,
+  zipAll: zipAll,
+  zipAllWith: zipAllWith,
+  at: at,
+  elemIndex: elemIndex,
+  elemIndices: elemIndices,
+  findIndex: findIndex,
+  findIndices: findIndices
+};
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+function in$(x, xs) {
+  var i = -1,
+      l = xs.length >>> 0;
+
+  while (++i < l) if (x === xs[i]) return true;
+
+  return false;
+}
+
+function compose$() {
+  var functions = arguments;
+  return function () {
+    var i, result;
+    result = functions[0].apply(this, arguments);
+
+    for (i = 1; i < functions.length; ++i) {
+      result = functions[i](result);
+    }
+
+    return result;
+  };
+}
+
+function not$(x) {
+  return !x;
+}
+
+/***/ }),
+/* 804 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+var values, keys, pairsToObj, objToPairs, listsToObj, objToLists, empty, each, map, compact, filter, reject, partition, find;
+
+values = function values(object) {
+  var i$,
+      x,
+      results$ = [];
+
+  for (i$ in object) {
+    x = object[i$];
+    results$.push(x);
+  }
+
+  return results$;
+};
+
+keys = function keys(object) {
+  var x,
+      results$ = [];
+
+  for (x in object) {
+    results$.push(x);
+  }
+
+  return results$;
+};
+
+pairsToObj = function pairsToObj(object) {
+  var i$,
+      len$,
+      x,
+      resultObj$ = {};
+
+  for (i$ = 0, len$ = object.length; i$ < len$; ++i$) {
+    x = object[i$];
+    resultObj$[x[0]] = x[1];
+  }
+
+  return resultObj$;
+};
+
+objToPairs = function objToPairs(object) {
+  var key,
+      value,
+      results$ = [];
+
+  for (key in object) {
+    value = object[key];
+    results$.push([key, value]);
+  }
+
+  return results$;
+};
+
+listsToObj = curry$(function (keys, values) {
+  var i$,
+      len$,
+      i,
+      key,
+      resultObj$ = {};
+
+  for (i$ = 0, len$ = keys.length; i$ < len$; ++i$) {
+    i = i$;
+    key = keys[i$];
+    resultObj$[key] = values[i];
+  }
+
+  return resultObj$;
+});
+
+objToLists = function objToLists(object) {
+  var keys, values, key, value;
+  keys = [];
+  values = [];
+
+  for (key in object) {
+    value = object[key];
+    keys.push(key);
+    values.push(value);
+  }
+
+  return [keys, values];
+};
+
+empty = function empty(object) {
+  var x;
+
+  for (x in object) {
+    return false;
+  }
+
+  return true;
+};
+
+each = curry$(function (f, object) {
+  var i$, x;
+
+  for (i$ in object) {
+    x = object[i$];
+    f(x);
+  }
+
+  return object;
+});
+map = curry$(function (f, object) {
+  var k,
+      x,
+      resultObj$ = {};
+
+  for (k in object) {
+    x = object[k];
+    resultObj$[k] = f(x);
+  }
+
+  return resultObj$;
+});
+
+compact = function compact(object) {
+  var k,
+      x,
+      resultObj$ = {};
+
+  for (k in object) {
+    x = object[k];
+
+    if (x) {
+      resultObj$[k] = x;
+    }
+  }
+
+  return resultObj$;
+};
+
+filter = curry$(function (f, object) {
+  var k,
+      x,
+      resultObj$ = {};
+
+  for (k in object) {
+    x = object[k];
+
+    if (f(x)) {
+      resultObj$[k] = x;
+    }
+  }
+
+  return resultObj$;
+});
+reject = curry$(function (f, object) {
+  var k,
+      x,
+      resultObj$ = {};
+
+  for (k in object) {
+    x = object[k];
+
+    if (!f(x)) {
+      resultObj$[k] = x;
+    }
+  }
+
+  return resultObj$;
+});
+partition = curry$(function (f, object) {
+  var passed, failed, k, x;
+  passed = {};
+  failed = {};
+
+  for (k in object) {
+    x = object[k];
+    (f(x) ? passed : failed)[k] = x;
+  }
+
+  return [passed, failed];
+});
+find = curry$(function (f, object) {
+  var i$, x;
+
+  for (i$ in object) {
+    x = object[i$];
+
+    if (f(x)) {
+      return x;
+    }
+  }
+});
+module.exports = {
+  values: values,
+  keys: keys,
+  pairsToObj: pairsToObj,
+  objToPairs: objToPairs,
+  listsToObj: listsToObj,
+  objToLists: objToLists,
+  empty: empty,
+  each: each,
+  map: map,
+  filter: filter,
+  compact: compact,
+  reject: reject,
+  partition: partition,
+  find: find
+};
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+/***/ }),
+/* 805 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+var split, join, lines, unlines, words, unwords, chars, unchars, reverse, repeat, capitalize, camelize, dasherize;
+split = curry$(function (sep, str) {
+  return str.split(sep);
+});
+join = curry$(function (sep, xs) {
+  return xs.join(sep);
+});
+
+lines = function lines(str) {
+  if (!str.length) {
+    return [];
+  }
+
+  return str.split('\n');
+};
+
+unlines = function unlines(it) {
+  return it.join('\n');
+};
+
+words = function words(str) {
+  if (!str.length) {
+    return [];
+  }
+
+  return str.split(/[ ]+/);
+};
+
+unwords = function unwords(it) {
+  return it.join(' ');
+};
+
+chars = function chars(it) {
+  return it.split('');
+};
+
+unchars = function unchars(it) {
+  return it.join('');
+};
+
+reverse = function reverse(str) {
+  return str.split('').reverse().join('');
+};
+
+repeat = curry$(function (n, str) {
+  var result, i$;
+  result = '';
+
+  for (i$ = 0; i$ < n; ++i$) {
+    result += str;
+  }
+
+  return result;
+});
+
+capitalize = function capitalize(str) {
+  return str.charAt(0).toUpperCase() + str.slice(1);
+};
+
+camelize = function camelize(it) {
+  return it.replace(/[-_]+(.)?/g, function (arg$, c) {
+    return (c != null ? c : '').toUpperCase();
+  });
+};
+
+dasherize = function dasherize(str) {
+  return str.replace(/([^-A-Z])([A-Z]+)/g, function (arg$, lower, upper) {
+    return lower + "-" + (upper.length > 1 ? upper : upper.toLowerCase());
+  }).replace(/^([A-Z]+)/, function (arg$, upper) {
+    if (upper.length > 1) {
+      return upper + "-";
+    } else {
+      return upper.toLowerCase();
+    }
+  });
+};
+
+module.exports = {
+  split: split,
+  join: join,
+  lines: lines,
+  unlines: unlines,
+  words: words,
+  unwords: unwords,
+  chars: chars,
+  unchars: unchars,
+  reverse: reverse,
+  repeat: repeat,
+  capitalize: capitalize,
+  camelize: camelize,
+  dasherize: dasherize
+};
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+/***/ }),
+/* 806 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+var max, min, negate, abs, signum, quot, rem, div, mod, recip, pi, tau, exp, sqrt, ln, pow, sin, tan, cos, asin, acos, atan, atan2, truncate, round, ceiling, floor, isItNaN, even, odd, gcd, lcm;
+max = curry$(function (x$, y$) {
+  return x$ > y$ ? x$ : y$;
+});
+min = curry$(function (x$, y$) {
+  return x$ < y$ ? x$ : y$;
+});
+
+negate = function negate(x) {
+  return -x;
+};
+
+abs = Math.abs;
+
+signum = function signum(x) {
+  if (x < 0) {
+    return -1;
+  } else if (x > 0) {
+    return 1;
+  } else {
+    return 0;
+  }
+};
+
+quot = curry$(function (x, y) {
+  return ~~(x / y);
+});
+rem = curry$(function (x$, y$) {
+  return x$ % y$;
+});
+div = curry$(function (x, y) {
+  return Math.floor(x / y);
+});
+mod = curry$(function (x$, y$) {
+  var ref$;
+  return (x$ % (ref$ = y$) + ref$) % ref$;
+});
+
+recip = function recip(it) {
+  return 1 / it;
+};
+
+pi = Math.PI;
+tau = pi * 2;
+exp = Math.exp;
+sqrt = Math.sqrt;
+ln = Math.log;
+pow = curry$(function (x$, y$) {
+  return Math.pow(x$, y$);
+});
+sin = Math.sin;
+tan = Math.tan;
+cos = Math.cos;
+asin = Math.asin;
+acos = Math.acos;
+atan = Math.atan;
+atan2 = curry$(function (x, y) {
+  return Math.atan2(x, y);
+});
+
+truncate = function truncate(x) {
+  return ~~x;
+};
+
+round = Math.round;
+ceiling = Math.ceil;
+floor = Math.floor;
+
+isItNaN = function isItNaN(x) {
+  return x !== x;
+};
+
+even = function even(x) {
+  return x % 2 === 0;
+};
+
+odd = function odd(x) {
+  return x % 2 !== 0;
+};
+
+gcd = curry$(function (x, y) {
+  var z;
+  x = Math.abs(x);
+  y = Math.abs(y);
+
+  while (y !== 0) {
+    z = x % y;
+    x = y;
+    y = z;
+  }
+
+  return x;
+});
+lcm = curry$(function (x, y) {
+  return Math.abs(Math.floor(x / gcd(x, y) * y));
+});
+module.exports = {
+  max: max,
+  min: min,
+  negate: negate,
+  abs: abs,
+  signum: signum,
+  quot: quot,
+  rem: rem,
+  div: div,
+  mod: mod,
+  recip: recip,
+  pi: pi,
+  tau: tau,
+  exp: exp,
+  sqrt: sqrt,
+  ln: ln,
+  pow: pow,
+  sin: sin,
+  tan: tan,
+  cos: cos,
+  acos: acos,
+  asin: asin,
+  atan: atan,
+  atan2: atan2,
+  truncate: truncate,
+  round: round,
+  ceiling: ceiling,
+  floor: floor,
+  isItNaN: isItNaN,
+  even: even,
+  odd: odd,
+  gcd: gcd,
+  lcm: lcm
+};
+
+function curry$(f, bound) {
+  var context,
+      _curry = function _curry(args) {
+    return f.length > 1 ? function () {
+      var params = args ? args.concat() : [];
+      context = bound ? context || this : this;
+      return params.push.apply(params, arguments) < f.length && arguments.length ? _curry.call(context, params) : f.apply(context, params);
+    } : f;
+  };
+
+  return _curry();
+}
+
+/***/ }),
+/* 807 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var parsedTypeCheck,
+      types,
+      toString$ = {}.toString;
+  parsedTypeCheck = __webpack_require__(808).parsedTypeCheck;
+  types = {
+    '*': function _(value, options) {
+      switch (toString$.call(value).slice(8, -1)) {
+        case 'Array':
+          return typeCast(value, {
+            type: 'Array'
+          }, options);
+
+        case 'Object':
+          return typeCast(value, {
+            type: 'Object'
+          }, options);
+
+        default:
+          return {
+            type: 'Just',
+            value: typesCast(value, [{
+              type: 'Undefined'
+            }, {
+              type: 'Null'
+            }, {
+              type: 'NaN'
+            }, {
+              type: 'Boolean'
+            }, {
+              type: 'Number'
+            }, {
+              type: 'Date'
+            }, {
+              type: 'RegExp'
+            }, {
+              type: 'Array'
+            }, {
+              type: 'Object'
+            }, {
+              type: 'String'
+            }], (options.explicit = true, options))
+          };
+      }
+    },
+    Undefined: function Undefined(it) {
+      if (it === 'undefined' || it === void 8) {
+        return {
+          type: 'Just',
+          value: void 8
+        };
+      } else {
+        return {
+          type: 'Nothing'
+        };
+      }
+    },
+    Null: function Null(it) {
+      if (it === 'null') {
+        return {
+          type: 'Just',
+          value: null
+        };
+      } else {
+        return {
+          type: 'Nothing'
+        };
+      }
+    },
+    NaN: function (_NaN) {
+      function NaN(_x) {
+        return _NaN.apply(this, arguments);
+      }
+
+      NaN.toString = function () {
+        return _NaN.toString();
+      };
+
+      return NaN;
+    }(function (it) {
+      if (it === 'NaN') {
+        return {
+          type: 'Just',
+          value: NaN
+        };
+      } else {
+        return {
+          type: 'Nothing'
+        };
+      }
+    }),
+    Boolean: function Boolean(it) {
+      if (it === 'true') {
+        return {
+          type: 'Just',
+          value: true
+        };
+      } else if (it === 'false') {
+        return {
+          type: 'Just',
+          value: false
+        };
+      } else {
+        return {
+          type: 'Nothing'
+        };
+      }
+    },
+    Number: function Number(it) {
+      return {
+        type: 'Just',
+        value: +it
+      };
+    },
+    Int: function Int(it) {
+      return {
+        type: 'Just',
+        value: +it
+      };
+    },
+    Float: function Float(it) {
+      return {
+        type: 'Just',
+        value: +it
+      };
+    },
+    Date: function (_Date) {
+      function Date(_x2, _x3) {
+        return _Date.apply(this, arguments);
+      }
+
+      Date.toString = function () {
+        return _Date.toString();
+      };
+
+      return Date;
+    }(function (value, options) {
+      var that;
+
+      if (that = /^\#([\s\S]*)\#$/.exec(value)) {
+        return {
+          type: 'Just',
+          value: new Date(+that[1] || that[1])
+        };
+      } else if (options.explicit) {
+        return {
+          type: 'Nothing'
+        };
+      } else {
+        return {
+          type: 'Just',
+          value: new Date(+value || value)
+        };
+      }
+    }),
+    RegExp: function (_RegExp) {
+      function RegExp(_x4, _x5) {
+        return _RegExp.apply(this, arguments);
+      }
+
+      RegExp.toString = function () {
+        return _RegExp.toString();
+      };
+
+      return RegExp;
+    }(function (value, options) {
+      var that;
+
+      if (that = /^\/([\s\S]*)\/([gimy]*)$/.exec(value)) {
+        return {
+          type: 'Just',
+          value: new RegExp(that[1], that[2])
+        };
+      } else if (options.explicit) {
+        return {
+          type: 'Nothing'
+        };
+      } else {
+        return {
+          type: 'Just',
+          value: new RegExp(value)
+        };
+      }
+    }),
+    Array: function Array(value, options) {
+      return castArray(value, {
+        of: [{
+          type: '*'
+        }]
+      }, options);
+    },
+    Object: function Object(value, options) {
+      return castFields(value, {
+        of: {}
+      }, options);
+    },
+    String: function String(it) {
+      var that;
+
+      if (toString$.call(it).slice(8, -1) !== 'String') {
+        return {
+          type: 'Nothing'
+        };
+      }
+
+      if (that = it.match(/^'([\s\S]*)'$/)) {
+        return {
+          type: 'Just',
+          value: that[1].replace(/\\'/g, "'")
+        };
+      } else if (that = it.match(/^"([\s\S]*)"$/)) {
+        return {
+          type: 'Just',
+          value: that[1].replace(/\\"/g, '"')
+        };
+      } else {
+        return {
+          type: 'Just',
+          value: it
+        };
+      }
+    }
+  };
+
+  function castArray(node, type, options) {
+    var typeOf, element;
+
+    if (toString$.call(node).slice(8, -1) !== 'Array') {
+      return {
+        type: 'Nothing'
+      };
+    }
+
+    typeOf = type.of;
+    return {
+      type: 'Just',
+      value: function () {
+        var i$,
+            ref$,
+            len$,
+            results$ = [];
+
+        for (i$ = 0, len$ = (ref$ = node).length; i$ < len$; ++i$) {
+          element = ref$[i$];
+          results$.push(typesCast(element, typeOf, options));
+        }
+
+        return results$;
+      }()
+    };
+  }
+
+  function castTuple(node, type, options) {
+    var result, i, i$, ref$, len$, types, cast;
+
+    if (toString$.call(node).slice(8, -1) !== 'Array') {
+      return {
+        type: 'Nothing'
+      };
+    }
+
+    result = [];
+    i = 0;
+
+    for (i$ = 0, len$ = (ref$ = type.of).length; i$ < len$; ++i$) {
+      types = ref$[i$];
+      cast = typesCast(node[i], types, options);
+
+      if (toString$.call(cast).slice(8, -1) !== 'Undefined') {
+        result.push(cast);
+      }
+
+      i++;
+    }
+
+    if (node.length <= i) {
+      return {
+        type: 'Just',
+        value: result
+      };
+    } else {
+      return {
+        type: 'Nothing'
+      };
+    }
+  }
+
+  function castFields(node, type, options) {
+    var typeOf, key, value;
+
+    if (toString$.call(node).slice(8, -1) !== 'Object') {
+      return {
+        type: 'Nothing'
+      };
+    }
+
+    typeOf = type.of;
+    return {
+      type: 'Just',
+      value: function () {
+        var ref$,
+            resultObj$ = {};
+
+        for (key in ref$ = node) {
+          value = ref$[key];
+          resultObj$[typesCast(key, [{
+            type: 'String'
+          }], options)] = typesCast(value, typeOf[key] || [{
+            type: '*'
+          }], options);
+        }
+
+        return resultObj$;
+      }()
+    };
+  }
+
+  function typeCast(node, typeObj, options) {
+    var type, structure, castFunc, ref$;
+    type = typeObj.type, structure = typeObj.structure;
+
+    if (type) {
+      castFunc = ((ref$ = options.customTypes[type]) != null ? ref$.cast : void 8) || types[type];
+
+      if (!castFunc) {
+        throw new Error("Type not defined: " + type + ".");
+      }
+
+      return castFunc(node, options, typesCast);
+    } else {
+      switch (structure) {
+        case 'array':
+          return castArray(node, typeObj, options);
+
+        case 'tuple':
+          return castTuple(node, typeObj, options);
+
+        case 'fields':
+          return castFields(node, typeObj, options);
+      }
+    }
+  }
+
+  function typesCast(node, types, options) {
+    var i$, len$, type, ref$, valueType, value;
+
+    for (i$ = 0, len$ = types.length; i$ < len$; ++i$) {
+      type = types[i$];
+      ref$ = typeCast(node, type, options), valueType = ref$.type, value = ref$.value;
+
+      if (valueType === 'Nothing') {
+        continue;
+      }
+
+      if (parsedTypeCheck([type], value, {
+        customTypes: options.customTypes
+      })) {
+        return value;
+      }
+    }
+
+    throw new Error("Value " + JSON.stringify(node) + " does not type check against " + JSON.stringify(types) + ".");
+  }
+
+  module.exports = typesCast;
+}).call(this);
+
+/***/ }),
+/* 808 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var VERSION, parseType, parsedTypeCheck, typeCheck;
+  VERSION = '0.3.2';
+  parseType = __webpack_require__(809);
+  parsedTypeCheck = __webpack_require__(810);
+
+  typeCheck = function typeCheck(type, input, options) {
+    return parsedTypeCheck(parseType(type), input, options);
+  };
+
+  module.exports = {
+    VERSION: VERSION,
+    typeCheck: typeCheck,
+    parsedTypeCheck: parsedTypeCheck,
+    parseType: parseType
+  };
+}).call(this);
+
+/***/ }),
+/* 809 */
+/***/ (function(module, exports) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var identifierRegex, tokenRegex;
+  identifierRegex = /[\$\w]+/;
+
+  function peek(tokens) {
+    var token;
+    token = tokens[0];
+
+    if (token == null) {
+      throw new Error('Unexpected end of input.');
+    }
+
+    return token;
+  }
+
+  function consumeIdent(tokens) {
+    var token;
+    token = peek(tokens);
+
+    if (!identifierRegex.test(token)) {
+      throw new Error("Expected text, got '" + token + "' instead.");
+    }
+
+    return tokens.shift();
+  }
+
+  function consumeOp(tokens, op) {
+    var token;
+    token = peek(tokens);
+
+    if (token !== op) {
+      throw new Error("Expected '" + op + "', got '" + token + "' instead.");
+    }
+
+    return tokens.shift();
+  }
+
+  function maybeConsumeOp(tokens, op) {
+    var token;
+    token = tokens[0];
+
+    if (token === op) {
+      return tokens.shift();
+    } else {
+      return null;
+    }
+  }
+
+  function consumeArray(tokens) {
+    var types;
+    consumeOp(tokens, '[');
+
+    if (peek(tokens) === ']') {
+      throw new Error("Must specify type of Array - eg. [Type], got [] instead.");
+    }
+
+    types = consumeTypes(tokens);
+    consumeOp(tokens, ']');
+    return {
+      structure: 'array',
+      of: types
+    };
+  }
+
+  function consumeTuple(tokens) {
+    var components;
+    components = [];
+    consumeOp(tokens, '(');
+
+    if (peek(tokens) === ')') {
+      throw new Error("Tuple must be of at least length 1 - eg. (Type), got () instead.");
+    }
+
+    for (;;) {
+      components.push(consumeTypes(tokens));
+      maybeConsumeOp(tokens, ',');
+
+      if (')' === peek(tokens)) {
+        break;
+      }
+    }
+
+    consumeOp(tokens, ')');
+    return {
+      structure: 'tuple',
+      of: components
+    };
+  }
+
+  function consumeFields(tokens) {
+    var fields, subset, ref$, key, types;
+    fields = {};
+    consumeOp(tokens, '{');
+    subset = false;
+
+    for (;;) {
+      if (maybeConsumeOp(tokens, '...')) {
+        subset = true;
+        break;
+      }
+
+      ref$ = consumeField(tokens), key = ref$[0], types = ref$[1];
+      fields[key] = types;
+      maybeConsumeOp(tokens, ',');
+
+      if ('}' === peek(tokens)) {
+        break;
+      }
+    }
+
+    consumeOp(tokens, '}');
+    return {
+      structure: 'fields',
+      of: fields,
+      subset: subset
+    };
+  }
+
+  function consumeField(tokens) {
+    var key, types;
+    key = consumeIdent(tokens);
+    consumeOp(tokens, ':');
+    types = consumeTypes(tokens);
+    return [key, types];
+  }
+
+  function maybeConsumeStructure(tokens) {
+    switch (tokens[0]) {
+      case '[':
+        return consumeArray(tokens);
+
+      case '(':
+        return consumeTuple(tokens);
+
+      case '{':
+        return consumeFields(tokens);
+    }
+  }
+
+  function consumeType(tokens) {
+    var token, wildcard, type, structure;
+    token = peek(tokens);
+    wildcard = token === '*';
+
+    if (wildcard || identifierRegex.test(token)) {
+      type = wildcard ? consumeOp(tokens, '*') : consumeIdent(tokens);
+      structure = maybeConsumeStructure(tokens);
+
+      if (structure) {
+        return structure.type = type, structure;
+      } else {
+        return {
+          type: type
+        };
+      }
+    } else {
+      structure = maybeConsumeStructure(tokens);
+
+      if (!structure) {
+        throw new Error("Unexpected character: " + token);
+      }
+
+      return structure;
+    }
+  }
+
+  function consumeTypes(tokens) {
+    var lookahead, types, typesSoFar, typeObj, type;
+
+    if ('::' === peek(tokens)) {
+      throw new Error("No comment before comment separator '::' found.");
+    }
+
+    lookahead = tokens[1];
+
+    if (lookahead != null && lookahead === '::') {
+      tokens.shift();
+      tokens.shift();
+    }
+
+    types = [];
+    typesSoFar = {};
+
+    if ('Maybe' === peek(tokens)) {
+      tokens.shift();
+      types = [{
+        type: 'Undefined'
+      }, {
+        type: 'Null'
+      }];
+      typesSoFar = {
+        Undefined: true,
+        Null: true
+      };
+    }
+
+    for (;;) {
+      typeObj = consumeType(tokens), type = typeObj.type;
+
+      if (!typesSoFar[type]) {
+        types.push(typeObj);
+      }
+
+      typesSoFar[type] = true;
+
+      if (!maybeConsumeOp(tokens, '|')) {
+        break;
+      }
+    }
+
+    return types;
+  }
+
+  tokenRegex = RegExp('\\.\\.\\.|::|->|' + identifierRegex.source + '|\\S', 'g');
+
+  module.exports = function (input) {
+    var tokens, e;
+
+    if (!input.length) {
+      throw new Error('No type specified.');
+    }
+
+    tokens = input.match(tokenRegex) || [];
+
+    if (in$('->', tokens)) {
+      throw new Error("Function types are not supported.\ To validate that something is a function, you may use 'Function'.");
+    }
+
+    try {
+      return consumeTypes(tokens);
+    } catch (e$) {
+      e = e$;
+      throw new Error(e.message + " - Remaining tokens: " + JSON.stringify(tokens) + " - Initial input: '" + input + "'");
+    }
+  };
+
+  function in$(x, xs) {
+    var i = -1,
+        l = xs.length >>> 0;
+
+    while (++i < l) if (x === xs[i]) return true;
+
+    return false;
+  }
+}).call(this);
+
+/***/ }),
+/* 810 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Generated by LiveScript 1.4.0
+(function () {
+  var ref$,
+      any,
+      all,
+      isItNaN,
+      types,
+      defaultType,
+      customTypes,
+      toString$ = {}.toString;
+  ref$ = __webpack_require__(801), any = ref$.any, all = ref$.all, isItNaN = ref$.isItNaN;
+  types = {
+    Number: {
+      typeOf: 'Number',
+      validate: function validate(it) {
+        return !isItNaN(it);
+      }
+    },
+    NaN: {
+      typeOf: 'Number',
+      validate: isItNaN
+    },
+    Int: {
+      typeOf: 'Number',
+      validate: function validate(it) {
+        return !isItNaN(it) && it % 1 === 0;
+      }
+    },
+    Float: {
+      typeOf: 'Number',
+      validate: function validate(it) {
+        return !isItNaN(it);
+      }
+    },
+    Date: {
+      typeOf: 'Date',
+      validate: function validate(it) {
+        return !isItNaN(it.getTime());
+      }
+    }
+  };
+  defaultType = {
+    array: 'Array',
+    tuple: 'Array'
+  };
+
+  function checkArray(input, type) {
+    return all(function (it) {
+      return checkMultiple(it, type.of);
+    }, input);
+  }
+
+  function checkTuple(input, type) {
+    var i, i$, ref$, len$, types;
+    i = 0;
+
+    for (i$ = 0, len$ = (ref$ = type.of).length; i$ < len$; ++i$) {
+      types = ref$[i$];
+
+      if (!checkMultiple(input[i], types)) {
+        return false;
+      }
+
+      i++;
+    }
+
+    return input.length <= i;
+  }
+
+  function checkFields(input, type) {
+    var inputKeys, numInputKeys, k, numOfKeys, key, ref$, types;
+    inputKeys = {};
+    numInputKeys = 0;
+
+    for (k in input) {
+      inputKeys[k] = true;
+      numInputKeys++;
+    }
+
+    numOfKeys = 0;
+
+    for (key in ref$ = type.of) {
+      types = ref$[key];
+
+      if (!checkMultiple(input[key], types)) {
+        return false;
+      }
+
+      if (inputKeys[key]) {
+        numOfKeys++;
+      }
+    }
+
+    return type.subset || numInputKeys === numOfKeys;
+  }
+
+  function checkStructure(input, type) {
+    if (!(input instanceof Object)) {
+      return false;
+    }
+
+    switch (type.structure) {
+      case 'fields':
+        return checkFields(input, type);
+
+      case 'array':
+        return checkArray(input, type);
+
+      case 'tuple':
+        return checkTuple(input, type);
+    }
+  }
+
+  function check(input, typeObj) {
+    var type, structure, setting, that;
+    type = typeObj.type, structure = typeObj.structure;
+
+    if (type) {
+      if (type === '*') {
+        return true;
+      }
+
+      setting = customTypes[type] || types[type];
+
+      if (setting) {
+        return setting.typeOf === toString$.call(input).slice(8, -1) && setting.validate(input);
+      } else {
+        return type === toString$.call(input).slice(8, -1) && (!structure || checkStructure(input, typeObj));
+      }
+    } else if (structure) {
+      if (that = defaultType[structure]) {
+        if (that !== toString$.call(input).slice(8, -1)) {
+          return false;
+        }
+      }
+
+      return checkStructure(input, typeObj);
+    } else {
+      throw new Error("No type defined. Input: " + input + ".");
+    }
+  }
+
+  function checkMultiple(input, types) {
+    if (toString$.call(types).slice(8, -1) !== 'Array') {
+      throw new Error("Types must be in an array. Input: " + input + ".");
+    }
+
+    return any(function (it) {
+      return check(input, it);
+    }, types);
+  }
+
+  module.exports = function (parsedType, input, options) {
+    options == null && (options = {});
+    customTypes = options.customTypes || {};
+    return checkMultiple(input, parsedType);
+  };
+}).call(this);
+
+/***/ }),
+/* 811 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview The event generator for AST nodes.
+ * @author Toru Nagashima
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const esquery = __webpack_require__(812);
+
+const lodash = __webpack_require__(403); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An object describing an AST selector
+ * @typedef {Object} ASTSelector
+ * @property {string} rawSelector The string that was parsed into this selector
+ * @property {boolean} isExit `true` if this should be emitted when exiting the node rather than when entering
+ * @property {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+ * @property {string[]|null} listenerTypes A list of node types that could possibly cause the selector to match,
+ * or `null` if all node types could cause a match
+ * @property {number} attributeCount The total number of classes, pseudo-classes, and attribute queries in this selector
+ * @property {number} identifierCount The total number of identifier queries in this selector
+ */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets the possible types of a selector
+ * @param {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+ * @returns {string[]|null} The node types that could possibly trigger this selector, or `null` if all node types could trigger it
+ */
+
+
+function getPossibleTypes(parsedSelector) {
+  switch (parsedSelector.type) {
+    case "identifier":
+      return [parsedSelector.value];
+
+    case "matches":
+      {
+        const typesForComponents = parsedSelector.selectors.map(getPossibleTypes);
+
+        if (typesForComponents.every(Boolean)) {
+          return lodash.union(...typesForComponents);
+        }
+
+        return null;
+      }
+
+    case "compound":
+      {
+        const typesForComponents = parsedSelector.selectors.map(getPossibleTypes).filter(typesForComponent => typesForComponent); // If all of the components could match any type, then the compound could also match any type.
+
+        if (!typesForComponents.length) {
+          return null;
+        }
+        /*
+         * If at least one of the components could only match a particular type, the compound could only match
+         * the intersection of those types.
+         */
+
+
+        return lodash.intersection(...typesForComponents);
+      }
+
+    case "child":
+    case "descendant":
+    case "sibling":
+    case "adjacent":
+      return getPossibleTypes(parsedSelector.right);
+
+    default:
+      return null;
+  }
+}
+/**
+ * Counts the number of class, pseudo-class, and attribute queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of class, pseudo-class, and attribute queries in this selector
+ */
+
+
+function countClassAttributes(parsedSelector) {
+  switch (parsedSelector.type) {
+    case "child":
+    case "descendant":
+    case "sibling":
+    case "adjacent":
+      return countClassAttributes(parsedSelector.left) + countClassAttributes(parsedSelector.right);
+
+    case "compound":
+    case "not":
+    case "matches":
+      return parsedSelector.selectors.reduce((sum, childSelector) => sum + countClassAttributes(childSelector), 0);
+
+    case "attribute":
+    case "field":
+    case "nth-child":
+    case "nth-last-child":
+      return 1;
+
+    default:
+      return 0;
+  }
+}
+/**
+ * Counts the number of identifier queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of identifier queries
+ */
+
+
+function countIdentifiers(parsedSelector) {
+  switch (parsedSelector.type) {
+    case "child":
+    case "descendant":
+    case "sibling":
+    case "adjacent":
+      return countIdentifiers(parsedSelector.left) + countIdentifiers(parsedSelector.right);
+
+    case "compound":
+    case "not":
+    case "matches":
+      return parsedSelector.selectors.reduce((sum, childSelector) => sum + countIdentifiers(childSelector), 0);
+
+    case "identifier":
+      return 1;
+
+    default:
+      return 0;
+  }
+}
+/**
+ * Compares the specificity of two selector objects, with CSS-like rules.
+ * @param {ASTSelector} selectorA An AST selector descriptor
+ * @param {ASTSelector} selectorB Another AST selector descriptor
+ * @returns {number}
+ * a value less than 0 if selectorA is less specific than selectorB
+ * a value greater than 0 if selectorA is more specific than selectorB
+ * a value less than 0 if selectorA and selectorB have the same specificity, and selectorA <= selectorB alphabetically
+ * a value greater than 0 if selectorA and selectorB have the same specificity, and selectorA > selectorB alphabetically
+ */
+
+
+function compareSpecificity(selectorA, selectorB) {
+  return selectorA.attributeCount - selectorB.attributeCount || selectorA.identifierCount - selectorB.identifierCount || (selectorA.rawSelector <= selectorB.rawSelector ? -1 : 1);
+}
+/**
+ * Parses a raw selector string, and throws a useful error if parsing fails.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {Object} An object (from esquery) describing the matching behavior of this selector
+ * @throws {Error} An error if the selector is invalid
+ */
+
+
+function tryParseSelector(rawSelector) {
+  try {
+    return esquery.parse(rawSelector.replace(/:exit$/u, ""));
+  } catch (err) {
+    if (err.location && err.location.start && typeof err.location.start.offset === "number") {
+      throw new SyntaxError("Syntax error in selector \"".concat(rawSelector, "\" at position ").concat(err.location.start.offset, ": ").concat(err.message));
+    }
+
+    throw err;
+  }
+}
+/**
+ * Parses a raw selector string, and returns the parsed selector along with specificity and type information.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {ASTSelector} A selector descriptor
+ */
+
+
+const parseSelector = lodash.memoize(rawSelector => {
+  const parsedSelector = tryParseSelector(rawSelector);
+  return {
+    rawSelector,
+    isExit: rawSelector.endsWith(":exit"),
+    parsedSelector,
+    listenerTypes: getPossibleTypes(parsedSelector),
+    attributeCount: countClassAttributes(parsedSelector),
+    identifierCount: countIdentifiers(parsedSelector)
+  };
+}); //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The event generator for AST nodes.
+ * This implements below interface.
+ *
+ * ```ts
+ * interface EventGenerator {
+ *     emitter: SafeEmitter;
+ *     enterNode(node: ASTNode): void;
+ *     leaveNode(node: ASTNode): void;
+ * }
+ * ```
+ */
+
+class NodeEventGenerator {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {SafeEmitter} emitter
+   * An SafeEmitter which is the destination of events. This emitter must already
+   * have registered listeners for all of the events that it needs to listen for.
+   * (See lib/linter/safe-emitter.js for more details on `SafeEmitter`.)
+   * @returns {NodeEventGenerator} new instance
+   */
+  constructor(emitter) {
+    this.emitter = emitter;
+    this.currentAncestry = [];
+    this.enterSelectorsByNodeType = new Map();
+    this.exitSelectorsByNodeType = new Map();
+    this.anyTypeEnterSelectors = [];
+    this.anyTypeExitSelectors = [];
+    emitter.eventNames().forEach(rawSelector => {
+      const selector = parseSelector(rawSelector);
+
+      if (selector.listenerTypes) {
+        const typeMap = selector.isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType;
+        selector.listenerTypes.forEach(nodeType => {
+          if (!typeMap.has(nodeType)) {
+            typeMap.set(nodeType, []);
+          }
+
+          typeMap.get(nodeType).push(selector);
+        });
+        return;
+      }
+
+      const selectors = selector.isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+      selectors.push(selector);
+    });
+    this.anyTypeEnterSelectors.sort(compareSpecificity);
+    this.anyTypeExitSelectors.sort(compareSpecificity);
+    this.enterSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+    this.exitSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+  }
+  /**
+   * Checks a selector against a node, and emits it if it matches
+   * @param {ASTNode} node The node to check
+   * @param {ASTSelector} selector An AST selector descriptor
+   * @returns {void}
+   */
+
+
+  applySelector(node, selector) {
+    if (esquery.matches(node, selector.parsedSelector, this.currentAncestry)) {
+      this.emitter.emit(selector.rawSelector, node);
+    }
+  }
+  /**
+   * Applies all appropriate selectors to a node, in specificity order
+   * @param {ASTNode} node The node to check
+   * @param {boolean} isExit `false` if the node is currently being entered, `true` if it's currently being exited
+   * @returns {void}
+   */
+
+
+  applySelectors(node, isExit) {
+    const selectorsByNodeType = (isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType).get(node.type) || [];
+    const anyTypeSelectors = isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+    /*
+     * selectorsByNodeType and anyTypeSelectors were already sorted by specificity in the constructor.
+     * Iterate through each of them, applying selectors in the right order.
+     */
+
+    let selectorsByTypeIndex = 0;
+    let anyTypeSelectorsIndex = 0;
+
+    while (selectorsByTypeIndex < selectorsByNodeType.length || anyTypeSelectorsIndex < anyTypeSelectors.length) {
+      if (selectorsByTypeIndex >= selectorsByNodeType.length || anyTypeSelectorsIndex < anyTypeSelectors.length && compareSpecificity(anyTypeSelectors[anyTypeSelectorsIndex], selectorsByNodeType[selectorsByTypeIndex]) < 0) {
+        this.applySelector(node, anyTypeSelectors[anyTypeSelectorsIndex++]);
+      } else {
+        this.applySelector(node, selectorsByNodeType[selectorsByTypeIndex++]);
+      }
+    }
+  }
+  /**
+   * Emits an event of entering AST node.
+   * @param {ASTNode} node A node which was entered.
+   * @returns {void}
+   */
+
+
+  enterNode(node) {
+    if (node.parent) {
+      this.currentAncestry.unshift(node.parent);
+    }
+
+    this.applySelectors(node, false);
+  }
+  /**
+   * Emits an event of leaving AST node.
+   * @param {ASTNode} node A node which was left.
+   * @returns {void}
+   */
+
+
+  leaveNode(node) {
+    this.applySelectors(node, true);
+    this.currentAncestry.shift();
+  }
+
+}
+
+module.exports = NodeEventGenerator;
+
+/***/ }),
+/* 812 */
+/***/ (function(module, exports, __webpack_require__) {
+
+!function (e, t) {
+   true ? module.exports = t() : undefined;
+}(this, function () {
+  "use strict";
+
+  "undefined" != typeof globalThis ? globalThis : "undefined" != typeof window ? window : "undefined" != typeof global ? global : "undefined" != typeof self && self;
+
+  function e(e, t) {
+    return e(t = {
+      exports: {}
+    }, t.exports), t.exports;
+  }
+
+  var t = e(function (e, t) {
+    !function e(t) {
+      var r, n, s, o, a, i;
+
+      function l(e) {
+        var t,
+            r,
+            n = {};
+
+        for (t in e) e.hasOwnProperty(t) && (r = e[t], n[t] = "object" == typeof r && null !== r ? l(r) : r);
+
+        return n;
+      }
+
+      function u(e, t) {
+        this.parent = e, this.key = t;
+      }
+
+      function c(e, t, r, n) {
+        this.node = e, this.path = t, this.wrap = r, this.ref = n;
+      }
+
+      function p() {}
+
+      function f(e) {
+        return null != e && "object" == typeof e && "string" == typeof e.type;
+      }
+
+      function h(e, t) {
+        return (e === r.ObjectExpression || e === r.ObjectPattern) && "properties" === t;
+      }
+
+      function d(e, t) {
+        return new p().traverse(e, t);
+      }
+
+      function x(e, t) {
+        var r;
+        return r = function (e, t) {
+          var r, n, s, o;
+
+          for (n = e.length, s = 0; n;) t(e[o = s + (r = n >>> 1)]) ? n = r : (s = o + 1, n -= r + 1);
+
+          return s;
+        }(t, function (t) {
+          return t.range[0] > e.range[0];
+        }), e.extendedRange = [e.range[0], e.range[1]], r !== t.length && (e.extendedRange[1] = t[r].range[0]), (r -= 1) >= 0 && (e.extendedRange[0] = t[r].range[1]), e;
+      }
+
+      return r = {
+        AssignmentExpression: "AssignmentExpression",
+        AssignmentPattern: "AssignmentPattern",
+        ArrayExpression: "ArrayExpression",
+        ArrayPattern: "ArrayPattern",
+        ArrowFunctionExpression: "ArrowFunctionExpression",
+        AwaitExpression: "AwaitExpression",
+        BlockStatement: "BlockStatement",
+        BinaryExpression: "BinaryExpression",
+        BreakStatement: "BreakStatement",
+        CallExpression: "CallExpression",
+        CatchClause: "CatchClause",
+        ClassBody: "ClassBody",
+        ClassDeclaration: "ClassDeclaration",
+        ClassExpression: "ClassExpression",
+        ComprehensionBlock: "ComprehensionBlock",
+        ComprehensionExpression: "ComprehensionExpression",
+        ConditionalExpression: "ConditionalExpression",
+        ContinueStatement: "ContinueStatement",
+        DebuggerStatement: "DebuggerStatement",
+        DirectiveStatement: "DirectiveStatement",
+        DoWhileStatement: "DoWhileStatement",
+        EmptyStatement: "EmptyStatement",
+        ExportAllDeclaration: "ExportAllDeclaration",
+        ExportDefaultDeclaration: "ExportDefaultDeclaration",
+        ExportNamedDeclaration: "ExportNamedDeclaration",
+        ExportSpecifier: "ExportSpecifier",
+        ExpressionStatement: "ExpressionStatement",
+        ForStatement: "ForStatement",
+        ForInStatement: "ForInStatement",
+        ForOfStatement: "ForOfStatement",
+        FunctionDeclaration: "FunctionDeclaration",
+        FunctionExpression: "FunctionExpression",
+        GeneratorExpression: "GeneratorExpression",
+        Identifier: "Identifier",
+        IfStatement: "IfStatement",
+        ImportExpression: "ImportExpression",
+        ImportDeclaration: "ImportDeclaration",
+        ImportDefaultSpecifier: "ImportDefaultSpecifier",
+        ImportNamespaceSpecifier: "ImportNamespaceSpecifier",
+        ImportSpecifier: "ImportSpecifier",
+        Literal: "Literal",
+        LabeledStatement: "LabeledStatement",
+        LogicalExpression: "LogicalExpression",
+        MemberExpression: "MemberExpression",
+        MetaProperty: "MetaProperty",
+        MethodDefinition: "MethodDefinition",
+        ModuleSpecifier: "ModuleSpecifier",
+        NewExpression: "NewExpression",
+        ObjectExpression: "ObjectExpression",
+        ObjectPattern: "ObjectPattern",
+        Program: "Program",
+        Property: "Property",
+        RestElement: "RestElement",
+        ReturnStatement: "ReturnStatement",
+        SequenceExpression: "SequenceExpression",
+        SpreadElement: "SpreadElement",
+        Super: "Super",
+        SwitchStatement: "SwitchStatement",
+        SwitchCase: "SwitchCase",
+        TaggedTemplateExpression: "TaggedTemplateExpression",
+        TemplateElement: "TemplateElement",
+        TemplateLiteral: "TemplateLiteral",
+        ThisExpression: "ThisExpression",
+        ThrowStatement: "ThrowStatement",
+        TryStatement: "TryStatement",
+        UnaryExpression: "UnaryExpression",
+        UpdateExpression: "UpdateExpression",
+        VariableDeclaration: "VariableDeclaration",
+        VariableDeclarator: "VariableDeclarator",
+        WhileStatement: "WhileStatement",
+        WithStatement: "WithStatement",
+        YieldExpression: "YieldExpression"
+      }, s = {
+        AssignmentExpression: ["left", "right"],
+        AssignmentPattern: ["left", "right"],
+        ArrayExpression: ["elements"],
+        ArrayPattern: ["elements"],
+        ArrowFunctionExpression: ["params", "body"],
+        AwaitExpression: ["argument"],
+        BlockStatement: ["body"],
+        BinaryExpression: ["left", "right"],
+        BreakStatement: ["label"],
+        CallExpression: ["callee", "arguments"],
+        CatchClause: ["param", "body"],
+        ClassBody: ["body"],
+        ClassDeclaration: ["id", "superClass", "body"],
+        ClassExpression: ["id", "superClass", "body"],
+        ComprehensionBlock: ["left", "right"],
+        ComprehensionExpression: ["blocks", "filter", "body"],
+        ConditionalExpression: ["test", "consequent", "alternate"],
+        ContinueStatement: ["label"],
+        DebuggerStatement: [],
+        DirectiveStatement: [],
+        DoWhileStatement: ["body", "test"],
+        EmptyStatement: [],
+        ExportAllDeclaration: ["source"],
+        ExportDefaultDeclaration: ["declaration"],
+        ExportNamedDeclaration: ["declaration", "specifiers", "source"],
+        ExportSpecifier: ["exported", "local"],
+        ExpressionStatement: ["expression"],
+        ForStatement: ["init", "test", "update", "body"],
+        ForInStatement: ["left", "right", "body"],
+        ForOfStatement: ["left", "right", "body"],
+        FunctionDeclaration: ["id", "params", "body"],
+        FunctionExpression: ["id", "params", "body"],
+        GeneratorExpression: ["blocks", "filter", "body"],
+        Identifier: [],
+        IfStatement: ["test", "consequent", "alternate"],
+        ImportExpression: ["source"],
+        ImportDeclaration: ["specifiers", "source"],
+        ImportDefaultSpecifier: ["local"],
+        ImportNamespaceSpecifier: ["local"],
+        ImportSpecifier: ["imported", "local"],
+        Literal: [],
+        LabeledStatement: ["label", "body"],
+        LogicalExpression: ["left", "right"],
+        MemberExpression: ["object", "property"],
+        MetaProperty: ["meta", "property"],
+        MethodDefinition: ["key", "value"],
+        ModuleSpecifier: [],
+        NewExpression: ["callee", "arguments"],
+        ObjectExpression: ["properties"],
+        ObjectPattern: ["properties"],
+        Program: ["body"],
+        Property: ["key", "value"],
+        RestElement: ["argument"],
+        ReturnStatement: ["argument"],
+        SequenceExpression: ["expressions"],
+        SpreadElement: ["argument"],
+        Super: [],
+        SwitchStatement: ["discriminant", "cases"],
+        SwitchCase: ["test", "consequent"],
+        TaggedTemplateExpression: ["tag", "quasi"],
+        TemplateElement: [],
+        TemplateLiteral: ["quasis", "expressions"],
+        ThisExpression: [],
+        ThrowStatement: ["argument"],
+        TryStatement: ["block", "handler", "finalizer"],
+        UnaryExpression: ["argument"],
+        UpdateExpression: ["argument"],
+        VariableDeclaration: ["declarations"],
+        VariableDeclarator: ["id", "init"],
+        WhileStatement: ["test", "body"],
+        WithStatement: ["object", "body"],
+        YieldExpression: ["argument"]
+      }, n = {
+        Break: o = {},
+        Skip: a = {},
+        Remove: i = {}
+      }, u.prototype.replace = function (e) {
+        this.parent[this.key] = e;
+      }, u.prototype.remove = function () {
+        return Array.isArray(this.parent) ? (this.parent.splice(this.key, 1), !0) : (this.replace(null), !1);
+      }, p.prototype.path = function () {
+        var e, t, r, n, s;
+
+        function o(e, t) {
+          if (Array.isArray(t)) for (r = 0, n = t.length; r < n; ++r) e.push(t[r]);else e.push(t);
+        }
+
+        if (!this.__current.path) return null;
+
+        for (s = [], e = 2, t = this.__leavelist.length; e < t; ++e) o(s, this.__leavelist[e].path);
+
+        return o(s, this.__current.path), s;
+      }, p.prototype.type = function () {
+        return this.current().type || this.__current.wrap;
+      }, p.prototype.parents = function () {
+        var e, t, r;
+
+        for (r = [], e = 1, t = this.__leavelist.length; e < t; ++e) r.push(this.__leavelist[e].node);
+
+        return r;
+      }, p.prototype.current = function () {
+        return this.__current.node;
+      }, p.prototype.__execute = function (e, t) {
+        var r, n;
+        return n = void 0, r = this.__current, this.__current = t, this.__state = null, e && (n = e.call(this, t.node, this.__leavelist[this.__leavelist.length - 1].node)), this.__current = r, n;
+      }, p.prototype.notify = function (e) {
+        this.__state = e;
+      }, p.prototype.skip = function () {
+        this.notify(a);
+      }, p.prototype.break = function () {
+        this.notify(o);
+      }, p.prototype.remove = function () {
+        this.notify(i);
+      }, p.prototype.__initialize = function (e, t) {
+        this.visitor = t, this.root = e, this.__worklist = [], this.__leavelist = [], this.__current = null, this.__state = null, this.__fallback = null, "iteration" === t.fallback ? this.__fallback = Object.keys : "function" == typeof t.fallback && (this.__fallback = t.fallback), this.__keys = s, t.keys && (this.__keys = Object.assign(Object.create(this.__keys), t.keys));
+      }, p.prototype.traverse = function (e, t) {
+        var r, n, s, i, l, u, p, d, x, m, y, g;
+
+        for (this.__initialize(e, t), g = {}, r = this.__worklist, n = this.__leavelist, r.push(new c(e, null, null, null)), n.push(new c(null, null, null, null)); r.length;) if ((s = r.pop()) !== g) {
+          if (s.node) {
+            if (u = this.__execute(t.enter, s), this.__state === o || u === o) return;
+            if (r.push(g), n.push(s), this.__state === a || u === a) continue;
+
+            if (l = (i = s.node).type || s.wrap, !(m = this.__keys[l])) {
+              if (!this.__fallback) throw new Error("Unknown node type " + l + ".");
+              m = this.__fallback(i);
+            }
+
+            for (d = m.length; (d -= 1) >= 0;) if (y = i[p = m[d]]) if (Array.isArray(y)) {
+              for (x = y.length; (x -= 1) >= 0;) if (y[x]) {
+                if (h(l, m[d])) s = new c(y[x], [p, x], "Property", null);else {
+                  if (!f(y[x])) continue;
+                  s = new c(y[x], [p, x], null, null);
+                }
+                r.push(s);
+              }
+            } else f(y) && r.push(new c(y, p, null, null));
+          }
+        } else if (s = n.pop(), u = this.__execute(t.leave, s), this.__state === o || u === o) return;
+      }, p.prototype.replace = function (e, t) {
+        var r, n, s, l, p, d, x, m, y, g, v, A, E;
+
+        function _(e) {
+          var t, n, s, o;
+          if (e.ref.remove()) for (n = e.ref.key, o = e.ref.parent, t = r.length; t--;) if ((s = r[t]).ref && s.ref.parent === o) {
+            if (s.ref.key < n) break;
+            --s.ref.key;
+          }
+        }
+
+        for (this.__initialize(e, t), v = {}, r = this.__worklist, n = this.__leavelist, d = new c(e, null, null, new u(A = {
+          root: e
+        }, "root")), r.push(d), n.push(d); r.length;) if ((d = r.pop()) !== v) {
+          if (void 0 !== (p = this.__execute(t.enter, d)) && p !== o && p !== a && p !== i && (d.ref.replace(p), d.node = p), this.__state !== i && p !== i || (_(d), d.node = null), this.__state === o || p === o) return A.root;
+
+          if ((s = d.node) && (r.push(v), n.push(d), this.__state !== a && p !== a)) {
+            if (l = s.type || d.wrap, !(y = this.__keys[l])) {
+              if (!this.__fallback) throw new Error("Unknown node type " + l + ".");
+              y = this.__fallback(s);
+            }
+
+            for (x = y.length; (x -= 1) >= 0;) if (g = s[E = y[x]]) if (Array.isArray(g)) {
+              for (m = g.length; (m -= 1) >= 0;) if (g[m]) {
+                if (h(l, y[x])) d = new c(g[m], [E, m], "Property", new u(g, m));else {
+                  if (!f(g[m])) continue;
+                  d = new c(g[m], [E, m], null, new u(g, m));
+                }
+                r.push(d);
+              }
+            } else f(g) && r.push(new c(g, E, null, new u(s, E)));
+          }
+        } else if (d = n.pop(), void 0 !== (p = this.__execute(t.leave, d)) && p !== o && p !== a && p !== i && d.ref.replace(p), this.__state !== i && p !== i || _(d), this.__state === o || p === o) return A.root;
+
+        return A.root;
+      }, t.Syntax = r, t.traverse = d, t.replace = function (e, t) {
+        return new p().replace(e, t);
+      }, t.attachComments = function (e, t, r) {
+        var s,
+            o,
+            a,
+            i,
+            u = [];
+        if (!e.range) throw new Error("attachComments needs range information");
+
+        if (!r.length) {
+          if (t.length) {
+            for (a = 0, o = t.length; a < o; a += 1) (s = l(t[a])).extendedRange = [0, e.range[0]], u.push(s);
+
+            e.leadingComments = u;
+          }
+
+          return e;
+        }
+
+        for (a = 0, o = t.length; a < o; a += 1) u.push(x(l(t[a]), r));
+
+        return i = 0, d(e, {
+          enter: function enter(e) {
+            for (var t; i < u.length && !((t = u[i]).extendedRange[1] > e.range[0]);) t.extendedRange[1] === e.range[0] ? (e.leadingComments || (e.leadingComments = []), e.leadingComments.push(t), u.splice(i, 1)) : i += 1;
+
+            return i === u.length ? n.Break : u[i].extendedRange[0] > e.range[1] ? n.Skip : void 0;
+          }
+        }), i = 0, d(e, {
+          leave: function leave(e) {
+            for (var t; i < u.length && (t = u[i], !(e.range[1] < t.extendedRange[0]));) e.range[1] === t.extendedRange[0] ? (e.trailingComments || (e.trailingComments = []), e.trailingComments.push(t), u.splice(i, 1)) : i += 1;
+
+            return i === u.length ? n.Break : u[i].extendedRange[0] > e.range[1] ? n.Skip : void 0;
+          }
+        }), e;
+      }, t.VisitorKeys = s, t.VisitorOption = n, t.Controller = p, t.cloneEnvironment = function () {
+        return e({});
+      }, t;
+    }(t);
+  }),
+      r = e(function (e) {
+    e.exports && (e.exports = function () {
+      function e(t, r, n, s) {
+        this.message = t, this.expected = r, this.found = n, this.location = s, this.name = "SyntaxError", "function" == typeof Error.captureStackTrace && Error.captureStackTrace(this, e);
+      }
+
+      return function (e, t) {
+        function r() {
+          this.constructor = e;
+        }
+
+        r.prototype = t.prototype, e.prototype = new r();
+      }(e, Error), e.buildMessage = function (e, t) {
+        var r = {
+          literal: function literal(e) {
+            return '"' + s(e.text) + '"';
+          },
+          class: function _class(e) {
+            var t,
+                r = "";
+
+            for (t = 0; t < e.parts.length; t++) r += e.parts[t] instanceof Array ? o(e.parts[t][0]) + "-" + o(e.parts[t][1]) : o(e.parts[t]);
+
+            return "[" + (e.inverted ? "^" : "") + r + "]";
+          },
+          any: function any(e) {
+            return "any character";
+          },
+          end: function end(e) {
+            return "end of input";
+          },
+          other: function other(e) {
+            return e.description;
+          }
+        };
+
+        function n(e) {
+          return e.charCodeAt(0).toString(16).toUpperCase();
+        }
+
+        function s(e) {
+          return e.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(/\0/g, "\\0").replace(/\t/g, "\\t").replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/[\x00-\x0F]/g, function (e) {
+            return "\\x0" + n(e);
+          }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (e) {
+            return "\\x" + n(e);
+          });
+        }
+
+        function o(e) {
+          return e.replace(/\\/g, "\\\\").replace(/\]/g, "\\]").replace(/\^/g, "\\^").replace(/-/g, "\\-").replace(/\0/g, "\\0").replace(/\t/g, "\\t").replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/[\x00-\x0F]/g, function (e) {
+            return "\\x0" + n(e);
+          }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (e) {
+            return "\\x" + n(e);
+          });
+        }
+
+        return "Expected " + function (e) {
+          var t,
+              n,
+              s,
+              o = new Array(e.length);
+
+          for (t = 0; t < e.length; t++) o[t] = (s = e[t], r[s.type](s));
+
+          if (o.sort(), o.length > 0) {
+            for (t = 1, n = 1; t < o.length; t++) o[t - 1] !== o[t] && (o[n] = o[t], n++);
+
+            o.length = n;
+          }
+
+          switch (o.length) {
+            case 1:
+              return o[0];
+
+            case 2:
+              return o[0] + " or " + o[1];
+
+            default:
+              return o.slice(0, -1).join(", ") + ", or " + o[o.length - 1];
+          }
+        }(e) + " but " + function (e) {
+          return e ? '"' + s(e) + '"' : "end of input";
+        }(t) + " found.";
+      }, {
+        SyntaxError: e,
+        parse: function parse(t, r) {
+          r = void 0 !== r ? r : {};
+
+          var n,
+              s,
+              o,
+              a,
+              i = {},
+              l = {
+            start: Ee
+          },
+              u = Ee,
+              c = me(" ", !1),
+              p = /^[^ [\],():#!=><~+.]/,
+              f = ye([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], !0, !1),
+              h = function h(e) {
+            return e.join("");
+          },
+              d = me(">", !1),
+              x = me("~", !1),
+              m = me("+", !1),
+              y = me(",", !1),
+              g = me("!", !1),
+              v = me("*", !1),
+              A = me("#", !1),
+              E = me("[", !1),
+              _ = me("]", !1),
+              b = /^[><!]/,
+              S = ye([">", "<", "!"], !1, !1),
+              C = me("=", !1),
+              w = function w(e) {
+            return (e || "") + "=";
+          },
+              P = /^[><]/,
+              k = ye([">", "<"], !1, !1),
+              D = me(".", !1),
+              I = function I(e, t, r) {
+            return {
+              type: "attribute",
+              name: e,
+              operator: t,
+              value: r
+            };
+          },
+              j = me('"', !1),
+              F = /^[^\\"]/,
+              T = ye(["\\", '"'], !0, !1),
+              L = me("\\", !1),
+              R = {
+            type: "any"
+          },
+              O = function O(e, t) {
+            return e + t;
+          },
+              B = function B(e) {
+            return {
+              type: "literal",
+              value: (t = e.join(""), t.replace(/\\(.)/g, function (e, t) {
+                switch (t) {
+                  case "b":
+                    return "\b";
+
+                  case "f":
+                    return "\f";
+
+                  case "n":
+                    return "\n";
+
+                  case "r":
+                    return "\r";
+
+                  case "t":
+                    return "\t";
+
+                  case "v":
+                    return "\v";
+
+                  default:
+                    return t;
+                }
+              }))
+            };
+            var t;
+          },
+              M = me("'", !1),
+              U = /^[^\\']/,
+              V = ye(["\\", "'"], !0, !1),
+              q = /^[0-9]/,
+              N = ye([["0", "9"]], !1, !1),
+              W = me("type(", !1),
+              $ = /^[^ )]/,
+              G = ye([" ", ")"], !0, !1),
+              z = me(")", !1),
+              K = /^[imsu]/,
+              H = ye(["i", "m", "s", "u"], !1, !1),
+              Y = me("/", !1),
+              J = /^[^\/]/,
+              Q = ye(["/"], !0, !1),
+              X = me(":not(", !1),
+              Z = me(":matches(", !1),
+              ee = me(":has(", !1),
+              te = me(":first-child", !1),
+              re = me(":last-child", !1),
+              ne = me(":nth-child(", !1),
+              se = me(":nth-last-child(", !1),
+              oe = me(":", !1),
+              ae = me("statement", !0),
+              ie = me("expression", !0),
+              le = me("declaration", !0),
+              ue = me("function", !0),
+              ce = me("pattern", !0),
+              pe = 0,
+              fe = [{
+            line: 1,
+            column: 1
+          }],
+              he = 0,
+              de = [],
+              xe = {};
+
+          if ("startRule" in r) {
+            if (!(r.startRule in l)) throw new Error("Can't start parsing from rule \"" + r.startRule + '".');
+            u = l[r.startRule];
+          }
+
+          function me(e, t) {
+            return {
+              type: "literal",
+              text: e,
+              ignoreCase: t
+            };
+          }
+
+          function ye(e, t, r) {
+            return {
+              type: "class",
+              parts: e,
+              inverted: t,
+              ignoreCase: r
+            };
+          }
+
+          function ge(e) {
+            var r,
+                n = fe[e];
+            if (n) return n;
+
+            for (r = e - 1; !fe[r];) r--;
+
+            for (n = {
+              line: (n = fe[r]).line,
+              column: n.column
+            }; r < e;) 10 === t.charCodeAt(r) ? (n.line++, n.column = 1) : n.column++, r++;
+
+            return fe[e] = n, n;
+          }
+
+          function ve(e, t) {
+            var r = ge(e),
+                n = ge(t);
+            return {
+              start: {
+                offset: e,
+                line: r.line,
+                column: r.column
+              },
+              end: {
+                offset: t,
+                line: n.line,
+                column: n.column
+              }
+            };
+          }
+
+          function Ae(e) {
+            pe < he || (pe > he && (he = pe, de = []), de.push(e));
+          }
+
+          function Ee() {
+            var e,
+                t,
+                r,
+                n,
+                s = 30 * pe + 0,
+                o = xe[s];
+            return o ? (pe = o.nextPos, o.result) : (e = pe, (t = _e()) !== i && (r = Ce()) !== i && _e() !== i ? e = t = 1 === (n = r).length ? n[0] : {
+              type: "matches",
+              selectors: n
+            } : (pe = e, e = i), e === i && (e = pe, (t = _e()) !== i && (t = void 0), e = t), xe[s] = {
+              nextPos: pe,
+              result: e
+            }, e);
+          }
+
+          function _e() {
+            var e,
+                r,
+                n = 30 * pe + 1,
+                s = xe[n];
+            if (s) return pe = s.nextPos, s.result;
+
+            for (e = [], 32 === t.charCodeAt(pe) ? (r = " ", pe++) : (r = i, Ae(c)); r !== i;) e.push(r), 32 === t.charCodeAt(pe) ? (r = " ", pe++) : (r = i, Ae(c));
+
+            return xe[n] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function be() {
+            var e,
+                r,
+                n,
+                s = 30 * pe + 2,
+                o = xe[s];
+            if (o) return pe = o.nextPos, o.result;
+            if (r = [], p.test(t.charAt(pe)) ? (n = t.charAt(pe), pe++) : (n = i, Ae(f)), n !== i) for (; n !== i;) r.push(n), p.test(t.charAt(pe)) ? (n = t.charAt(pe), pe++) : (n = i, Ae(f));else r = i;
+            return r !== i && (r = h(r)), e = r, xe[s] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function Se() {
+            var e,
+                r,
+                n,
+                s = 30 * pe + 3,
+                o = xe[s];
+            return o ? (pe = o.nextPos, o.result) : (e = pe, (r = _e()) !== i ? (62 === t.charCodeAt(pe) ? (n = ">", pe++) : (n = i, Ae(d)), n !== i && _e() !== i ? e = r = "child" : (pe = e, e = i)) : (pe = e, e = i), e === i && (e = pe, (r = _e()) !== i ? (126 === t.charCodeAt(pe) ? (n = "~", pe++) : (n = i, Ae(x)), n !== i && _e() !== i ? e = r = "sibling" : (pe = e, e = i)) : (pe = e, e = i), e === i && (e = pe, (r = _e()) !== i ? (43 === t.charCodeAt(pe) ? (n = "+", pe++) : (n = i, Ae(m)), n !== i && _e() !== i ? e = r = "adjacent" : (pe = e, e = i)) : (pe = e, e = i), e === i && (e = pe, 32 === t.charCodeAt(pe) ? (r = " ", pe++) : (r = i, Ae(c)), r !== i && (n = _e()) !== i ? e = r = "descendant" : (pe = e, e = i)))), xe[s] = {
+              nextPos: pe,
+              result: e
+            }, e);
+          }
+
+          function Ce() {
+            var e,
+                r,
+                n,
+                s,
+                o,
+                a,
+                l,
+                u,
+                c = 30 * pe + 4,
+                p = xe[c];
+            if (p) return pe = p.nextPos, p.result;
+
+            if (e = pe, (r = we()) !== i) {
+              for (n = [], s = pe, (o = _e()) !== i ? (44 === t.charCodeAt(pe) ? (a = ",", pe++) : (a = i, Ae(y)), a !== i && (l = _e()) !== i && (u = we()) !== i ? s = o = [o, a, l, u] : (pe = s, s = i)) : (pe = s, s = i); s !== i;) n.push(s), s = pe, (o = _e()) !== i ? (44 === t.charCodeAt(pe) ? (a = ",", pe++) : (a = i, Ae(y)), a !== i && (l = _e()) !== i && (u = we()) !== i ? s = o = [o, a, l, u] : (pe = s, s = i)) : (pe = s, s = i);
+
+              n !== i ? e = r = [r].concat(n.map(function (e) {
+                return e[3];
+              })) : (pe = e, e = i);
+            } else pe = e, e = i;
+
+            return xe[c] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function we() {
+            var e,
+                t,
+                r,
+                n,
+                s,
+                o,
+                a,
+                l = 30 * pe + 5,
+                u = xe[l];
+            if (u) return pe = u.nextPos, u.result;
+
+            if (e = pe, (t = Pe()) !== i) {
+              for (r = [], n = pe, (s = Se()) !== i && (o = Pe()) !== i ? n = s = [s, o] : (pe = n, n = i); n !== i;) r.push(n), n = pe, (s = Se()) !== i && (o = Pe()) !== i ? n = s = [s, o] : (pe = n, n = i);
+
+              r !== i ? (a = t, e = t = r.reduce(function (e, t) {
+                return {
+                  type: t[0],
+                  left: e,
+                  right: t[1]
+                };
+              }, a)) : (pe = e, e = i);
+            } else pe = e, e = i;
+
+            return xe[l] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function Pe() {
+            var e,
+                r,
+                n,
+                s,
+                o = 30 * pe + 6,
+                a = xe[o];
+            if (a) return pe = a.nextPos, a.result;
+
+            if (e = pe, 33 === t.charCodeAt(pe) ? (r = "!", pe++) : (r = i, Ae(g)), r === i && (r = null), r !== i) {
+              if (n = [], (s = ke()) !== i) for (; s !== i;) n.push(s), s = ke();else n = i;
+              n !== i ? e = r = function (e, t) {
+                const r = 1 === t.length ? t[0] : {
+                  type: "compound",
+                  selectors: t
+                };
+                return e && (r.subject = !0), r;
+              }(r, n) : (pe = e, e = i);
+            } else pe = e, e = i;
+
+            return xe[o] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function ke() {
+            var e,
+                r = 30 * pe + 7,
+                n = xe[r];
+            return n ? (pe = n.nextPos, n.result) : ((e = function () {
+              var e,
+                  r,
+                  n = 30 * pe + 8,
+                  s = xe[n];
+              return s ? (pe = s.nextPos, s.result) : (42 === t.charCodeAt(pe) ? (r = "*", pe++) : (r = i, Ae(v)), r !== i && (r = {
+                type: "wildcard",
+                value: r
+              }), e = r, xe[n] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s = 30 * pe + 9,
+                  o = xe[s];
+              return o ? (pe = o.nextPos, o.result) : (e = pe, 35 === t.charCodeAt(pe) ? (r = "#", pe++) : (r = i, Ae(A)), r === i && (r = null), r !== i && (n = be()) !== i ? e = r = {
+                type: "identifier",
+                value: n
+              } : (pe = e, e = i), xe[s] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o = 30 * pe + 10,
+                  a = xe[o];
+              return a ? (pe = a.nextPos, a.result) : (e = pe, 91 === t.charCodeAt(pe) ? (r = "[", pe++) : (r = i, Ae(E)), r !== i && _e() !== i && (n = function () {
+                var e,
+                    r,
+                    n,
+                    s,
+                    o = 30 * pe + 14,
+                    a = xe[o];
+                return a ? (pe = a.nextPos, a.result) : (e = pe, (r = De()) !== i && _e() !== i && (n = function () {
+                  var e,
+                      r,
+                      n,
+                      s = 30 * pe + 12,
+                      o = xe[s];
+                  return o ? (pe = o.nextPos, o.result) : (e = pe, 33 === t.charCodeAt(pe) ? (r = "!", pe++) : (r = i, Ae(g)), r === i && (r = null), r !== i ? (61 === t.charCodeAt(pe) ? (n = "=", pe++) : (n = i, Ae(C)), n !== i ? (r = w(r), e = r) : (pe = e, e = i)) : (pe = e, e = i), xe[s] = {
+                    nextPos: pe,
+                    result: e
+                  }, e);
+                }()) !== i && _e() !== i ? ((s = function () {
+                  var e,
+                      r,
+                      n,
+                      s,
+                      o,
+                      a = 30 * pe + 18,
+                      l = xe[a];
+                  if (l) return pe = l.nextPos, l.result;
+                  if (e = pe, "type(" === t.substr(pe, 5) ? (r = "type(", pe += 5) : (r = i, Ae(W)), r !== i) {
+                    if (_e() !== i) {
+                      if (n = [], $.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(G)), s !== i) for (; s !== i;) n.push(s), $.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(G));else n = i;
+                      n !== i && (s = _e()) !== i ? (41 === t.charCodeAt(pe) ? (o = ")", pe++) : (o = i, Ae(z)), o !== i ? (r = {
+                        type: "type",
+                        value: n.join("")
+                      }, e = r) : (pe = e, e = i)) : (pe = e, e = i);
+                    } else pe = e, e = i;
+                  } else pe = e, e = i;
+                  return xe[a] = {
+                    nextPos: pe,
+                    result: e
+                  }, e;
+                }()) === i && (s = function () {
+                  var e,
+                      r,
+                      n,
+                      s,
+                      o,
+                      a,
+                      l = 30 * pe + 20,
+                      u = xe[l];
+                  if (u) return pe = u.nextPos, u.result;
+
+                  if (e = pe, 47 === t.charCodeAt(pe) ? (r = "/", pe++) : (r = i, Ae(Y)), r !== i) {
+                    if (n = [], J.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(Q)), s !== i) for (; s !== i;) n.push(s), J.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(Q));else n = i;
+                    n !== i ? (47 === t.charCodeAt(pe) ? (s = "/", pe++) : (s = i, Ae(Y)), s !== i ? ((o = function () {
+                      var e,
+                          r,
+                          n = 30 * pe + 19,
+                          s = xe[n];
+                      if (s) return pe = s.nextPos, s.result;
+                      if (e = [], K.test(t.charAt(pe)) ? (r = t.charAt(pe), pe++) : (r = i, Ae(H)), r !== i) for (; r !== i;) e.push(r), K.test(t.charAt(pe)) ? (r = t.charAt(pe), pe++) : (r = i, Ae(H));else e = i;
+                      return xe[n] = {
+                        nextPos: pe,
+                        result: e
+                      }, e;
+                    }()) === i && (o = null), o !== i ? (a = o, r = {
+                      type: "regexp",
+                      value: new RegExp(n.join(""), a ? a.join("") : "")
+                    }, e = r) : (pe = e, e = i)) : (pe = e, e = i)) : (pe = e, e = i);
+                  } else pe = e, e = i;
+
+                  return xe[l] = {
+                    nextPos: pe,
+                    result: e
+                  }, e;
+                }()), s !== i ? (r = I(r, n, s), e = r) : (pe = e, e = i)) : (pe = e, e = i), e === i && (e = pe, (r = De()) !== i && _e() !== i && (n = function () {
+                  var e,
+                      r,
+                      n,
+                      s = 30 * pe + 11,
+                      o = xe[s];
+                  return o ? (pe = o.nextPos, o.result) : (e = pe, b.test(t.charAt(pe)) ? (r = t.charAt(pe), pe++) : (r = i, Ae(S)), r === i && (r = null), r !== i ? (61 === t.charCodeAt(pe) ? (n = "=", pe++) : (n = i, Ae(C)), n !== i ? (r = w(r), e = r) : (pe = e, e = i)) : (pe = e, e = i), e === i && (P.test(t.charAt(pe)) ? (e = t.charAt(pe), pe++) : (e = i, Ae(k))), xe[s] = {
+                    nextPos: pe,
+                    result: e
+                  }, e);
+                }()) !== i && _e() !== i ? ((s = function () {
+                  var e,
+                      r,
+                      n,
+                      s,
+                      o,
+                      a,
+                      l = 30 * pe + 15,
+                      u = xe[l];
+                  if (u) return pe = u.nextPos, u.result;
+
+                  if (e = pe, 34 === t.charCodeAt(pe) ? (r = '"', pe++) : (r = i, Ae(j)), r !== i) {
+                    for (n = [], F.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(T)), s === i && (s = pe, 92 === t.charCodeAt(pe) ? (o = "\\", pe++) : (o = i, Ae(L)), o !== i ? (t.length > pe ? (a = t.charAt(pe), pe++) : (a = i, Ae(R)), a !== i ? (o = O(o, a), s = o) : (pe = s, s = i)) : (pe = s, s = i)); s !== i;) n.push(s), F.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(T)), s === i && (s = pe, 92 === t.charCodeAt(pe) ? (o = "\\", pe++) : (o = i, Ae(L)), o !== i ? (t.length > pe ? (a = t.charAt(pe), pe++) : (a = i, Ae(R)), a !== i ? (o = O(o, a), s = o) : (pe = s, s = i)) : (pe = s, s = i));
+
+                    n !== i ? (34 === t.charCodeAt(pe) ? (s = '"', pe++) : (s = i, Ae(j)), s !== i ? (r = B(n), e = r) : (pe = e, e = i)) : (pe = e, e = i);
+                  } else pe = e, e = i;
+
+                  if (e === i) if (e = pe, 39 === t.charCodeAt(pe) ? (r = "'", pe++) : (r = i, Ae(M)), r !== i) {
+                    for (n = [], U.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(V)), s === i && (s = pe, 92 === t.charCodeAt(pe) ? (o = "\\", pe++) : (o = i, Ae(L)), o !== i ? (t.length > pe ? (a = t.charAt(pe), pe++) : (a = i, Ae(R)), a !== i ? (o = O(o, a), s = o) : (pe = s, s = i)) : (pe = s, s = i)); s !== i;) n.push(s), U.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(V)), s === i && (s = pe, 92 === t.charCodeAt(pe) ? (o = "\\", pe++) : (o = i, Ae(L)), o !== i ? (t.length > pe ? (a = t.charAt(pe), pe++) : (a = i, Ae(R)), a !== i ? (o = O(o, a), s = o) : (pe = s, s = i)) : (pe = s, s = i));
+
+                    n !== i ? (39 === t.charCodeAt(pe) ? (s = "'", pe++) : (s = i, Ae(M)), s !== i ? (r = B(n), e = r) : (pe = e, e = i)) : (pe = e, e = i);
+                  } else pe = e, e = i;
+                  return xe[l] = {
+                    nextPos: pe,
+                    result: e
+                  }, e;
+                }()) === i && (s = function () {
+                  var e,
+                      r,
+                      n,
+                      s,
+                      o = 30 * pe + 16,
+                      a = xe[o];
+                  if (a) return pe = a.nextPos, a.result;
+
+                  for (e = pe, r = pe, n = [], q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N)); s !== i;) n.push(s), q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N));
+
+                  if (n !== i ? (46 === t.charCodeAt(pe) ? (s = ".", pe++) : (s = i, Ae(D)), s !== i ? r = n = [n, s] : (pe = r, r = i)) : (pe = r, r = i), r === i && (r = null), r !== i) {
+                    if (n = [], q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N)), s !== i) for (; s !== i;) n.push(s), q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N));else n = i;
+                    n !== i ? (r = function (e, t) {
+                      const r = e ? [].concat.apply([], e).join("") : "";
+                      return {
+                        type: "literal",
+                        value: parseFloat(r + t.join(""))
+                      };
+                    }(r, n), e = r) : (pe = e, e = i);
+                  } else pe = e, e = i;
+
+                  return xe[o] = {
+                    nextPos: pe,
+                    result: e
+                  }, e;
+                }()) === i && (s = function () {
+                  var e,
+                      t,
+                      r = 30 * pe + 17,
+                      n = xe[r];
+                  return n ? (pe = n.nextPos, n.result) : ((t = be()) !== i && (t = {
+                    type: "literal",
+                    value: t
+                  }), e = t, xe[r] = {
+                    nextPos: pe,
+                    result: e
+                  }, e);
+                }()), s !== i ? (r = I(r, n, s), e = r) : (pe = e, e = i)) : (pe = e, e = i), e === i && (e = pe, (r = De()) !== i && (r = {
+                  type: "attribute",
+                  name: r
+                }), e = r)), xe[o] = {
+                  nextPos: pe,
+                  result: e
+                }, e);
+              }()) !== i && _e() !== i ? (93 === t.charCodeAt(pe) ? (s = "]", pe++) : (s = i, Ae(_)), s !== i ? e = r = n : (pe = e, e = i)) : (pe = e, e = i), xe[o] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o,
+                  a,
+                  l,
+                  u,
+                  c = 30 * pe + 21,
+                  p = xe[c];
+              if (p) return pe = p.nextPos, p.result;
+              if (e = pe, 46 === t.charCodeAt(pe) ? (r = ".", pe++) : (r = i, Ae(D)), r !== i) {
+                if ((n = be()) !== i) {
+                  for (s = [], o = pe, 46 === t.charCodeAt(pe) ? (a = ".", pe++) : (a = i, Ae(D)), a !== i && (l = be()) !== i ? o = a = [a, l] : (pe = o, o = i); o !== i;) s.push(o), o = pe, 46 === t.charCodeAt(pe) ? (a = ".", pe++) : (a = i, Ae(D)), a !== i && (l = be()) !== i ? o = a = [a, l] : (pe = o, o = i);
+
+                  s !== i ? (u = n, r = {
+                    type: "field",
+                    name: s.reduce(function (e, t) {
+                      return e + t[0] + t[1];
+                    }, u)
+                  }, e = r) : (pe = e, e = i);
+                } else pe = e, e = i;
+              } else pe = e, e = i;
+              return xe[c] = {
+                nextPos: pe,
+                result: e
+              }, e;
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o = 30 * pe + 22,
+                  a = xe[o];
+              return a ? (pe = a.nextPos, a.result) : (e = pe, ":not(" === t.substr(pe, 5) ? (r = ":not(", pe += 5) : (r = i, Ae(X)), r !== i && _e() !== i && (n = Ce()) !== i && _e() !== i ? (41 === t.charCodeAt(pe) ? (s = ")", pe++) : (s = i, Ae(z)), s !== i ? e = r = {
+                type: "not",
+                selectors: n
+              } : (pe = e, e = i)) : (pe = e, e = i), xe[o] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o = 30 * pe + 23,
+                  a = xe[o];
+              return a ? (pe = a.nextPos, a.result) : (e = pe, ":matches(" === t.substr(pe, 9) ? (r = ":matches(", pe += 9) : (r = i, Ae(Z)), r !== i && _e() !== i && (n = Ce()) !== i && _e() !== i ? (41 === t.charCodeAt(pe) ? (s = ")", pe++) : (s = i, Ae(z)), s !== i ? e = r = {
+                type: "matches",
+                selectors: n
+              } : (pe = e, e = i)) : (pe = e, e = i), xe[o] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o = 30 * pe + 24,
+                  a = xe[o];
+              return a ? (pe = a.nextPos, a.result) : (e = pe, ":has(" === t.substr(pe, 5) ? (r = ":has(", pe += 5) : (r = i, Ae(ee)), r !== i && _e() !== i && (n = Ce()) !== i && _e() !== i ? (41 === t.charCodeAt(pe) ? (s = ")", pe++) : (s = i, Ae(z)), s !== i ? e = r = {
+                type: "has",
+                selectors: n
+              } : (pe = e, e = i)) : (pe = e, e = i), xe[o] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n = 30 * pe + 25,
+                  s = xe[n];
+              return s ? (pe = s.nextPos, s.result) : (":first-child" === t.substr(pe, 12) ? (r = ":first-child", pe += 12) : (r = i, Ae(te)), r !== i && (r = Ie(1)), e = r, xe[n] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n = 30 * pe + 26,
+                  s = xe[n];
+              return s ? (pe = s.nextPos, s.result) : (":last-child" === t.substr(pe, 11) ? (r = ":last-child", pe += 11) : (r = i, Ae(re)), r !== i && (r = je(1)), e = r, xe[n] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o,
+                  a = 30 * pe + 27,
+                  l = xe[a];
+              if (l) return pe = l.nextPos, l.result;
+              if (e = pe, ":nth-child(" === t.substr(pe, 11) ? (r = ":nth-child(", pe += 11) : (r = i, Ae(ne)), r !== i) {
+                if (_e() !== i) {
+                  if (n = [], q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N)), s !== i) for (; s !== i;) n.push(s), q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N));else n = i;
+                  n !== i && (s = _e()) !== i ? (41 === t.charCodeAt(pe) ? (o = ")", pe++) : (o = i, Ae(z)), o !== i ? (r = Ie(parseInt(n.join(""), 10)), e = r) : (pe = e, e = i)) : (pe = e, e = i);
+                } else pe = e, e = i;
+              } else pe = e, e = i;
+              return xe[a] = {
+                nextPos: pe,
+                result: e
+              }, e;
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s,
+                  o,
+                  a = 30 * pe + 28,
+                  l = xe[a];
+              if (l) return pe = l.nextPos, l.result;
+              if (e = pe, ":nth-last-child(" === t.substr(pe, 16) ? (r = ":nth-last-child(", pe += 16) : (r = i, Ae(se)), r !== i) {
+                if (_e() !== i) {
+                  if (n = [], q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N)), s !== i) for (; s !== i;) n.push(s), q.test(t.charAt(pe)) ? (s = t.charAt(pe), pe++) : (s = i, Ae(N));else n = i;
+                  n !== i && (s = _e()) !== i ? (41 === t.charCodeAt(pe) ? (o = ")", pe++) : (o = i, Ae(z)), o !== i ? (r = je(parseInt(n.join(""), 10)), e = r) : (pe = e, e = i)) : (pe = e, e = i);
+                } else pe = e, e = i;
+              } else pe = e, e = i;
+              return xe[a] = {
+                nextPos: pe,
+                result: e
+              }, e;
+            }()) === i && (e = function () {
+              var e,
+                  r,
+                  n,
+                  s = 30 * pe + 29,
+                  o = xe[s];
+              return o ? (pe = o.nextPos, o.result) : (e = pe, 58 === t.charCodeAt(pe) ? (r = ":", pe++) : (r = i, Ae(oe)), r !== i ? ("statement" === t.substr(pe, 9).toLowerCase() ? (n = t.substr(pe, 9), pe += 9) : (n = i, Ae(ae)), n === i && ("expression" === t.substr(pe, 10).toLowerCase() ? (n = t.substr(pe, 10), pe += 10) : (n = i, Ae(ie)), n === i && ("declaration" === t.substr(pe, 11).toLowerCase() ? (n = t.substr(pe, 11), pe += 11) : (n = i, Ae(le)), n === i && ("function" === t.substr(pe, 8).toLowerCase() ? (n = t.substr(pe, 8), pe += 8) : (n = i, Ae(ue)), n === i && ("pattern" === t.substr(pe, 7).toLowerCase() ? (n = t.substr(pe, 7), pe += 7) : (n = i, Ae(ce)))))), n !== i ? e = r = {
+                type: "class",
+                name: n
+              } : (pe = e, e = i)) : (pe = e, e = i), xe[s] = {
+                nextPos: pe,
+                result: e
+              }, e);
+            }()), xe[r] = {
+              nextPos: pe,
+              result: e
+            }, e);
+          }
+
+          function De() {
+            var e,
+                r,
+                n,
+                s = 30 * pe + 13,
+                o = xe[s];
+            if (o) return pe = o.nextPos, o.result;
+            if (r = [], (n = be()) === i && (46 === t.charCodeAt(pe) ? (n = ".", pe++) : (n = i, Ae(D))), n !== i) for (; n !== i;) r.push(n), (n = be()) === i && (46 === t.charCodeAt(pe) ? (n = ".", pe++) : (n = i, Ae(D)));else r = i;
+            return r !== i && (r = h(r)), e = r, xe[s] = {
+              nextPos: pe,
+              result: e
+            }, e;
+          }
+
+          function Ie(e) {
+            return {
+              type: "nth-child",
+              index: {
+                type: "literal",
+                value: e
+              }
+            };
+          }
+
+          function je(e) {
+            return {
+              type: "nth-last-child",
+              index: {
+                type: "literal",
+                value: e
+              }
+            };
+          }
+
+          if ((n = u()) !== i && pe === t.length) return n;
+          throw n !== i && pe < t.length && Ae({
+            type: "end"
+          }), s = de, o = he < t.length ? t.charAt(he) : null, a = he < t.length ? ve(he, he + 1) : ve(he, he), new e(e.buildMessage(s, o), s, o, a);
+        }
+      };
+    }());
+  });
+
+  function n(e, r, i) {
+    if (!r) return !0;
+    if (!e) return !1;
+
+    switch (i || (i = []), r.type) {
+      case "wildcard":
+        return !0;
+
+      case "identifier":
+        return r.value.toLowerCase() === e.type.toLowerCase();
+
+      case "field":
+        {
+          const t = r.name.split(".");
+          return function e(t, r, n) {
+            if (0 === n.length) return t === r;
+            if (null == r) return !1;
+            const s = r[n[0]],
+                  o = n.slice(1);
+
+            if (Array.isArray(s)) {
+              for (let r = 0, n = s.length; r < n; ++r) if (e(t, s[r], o)) return !0;
+
+              return !1;
+            }
+
+            return e(t, s, o);
+          }(e, i[t.length - 1], t);
+        }
+
+      case "matches":
+        for (let t = 0, s = r.selectors.length; t < s; ++t) if (n(e, r.selectors[t], i)) return !0;
+
+        return !1;
+
+      case "compound":
+        for (let t = 0, s = r.selectors.length; t < s; ++t) if (!n(e, r.selectors[t], i)) return !1;
+
+        return !0;
+
+      case "not":
+        for (let t = 0, s = r.selectors.length; t < s; ++t) if (n(e, r.selectors[t], i)) return !1;
+
+        return !0;
+
+      case "has":
+        {
+          const s = [];
+
+          for (let o = 0, a = r.selectors.length; o < a; ++o) {
+            const a = [];
+            t.traverse(e, {
+              enter(e, t) {
+                null != t && a.unshift(t), n(e, r.selectors[o], a) && s.push(e);
+              },
+
+              leave() {
+                a.shift();
+              },
+
+              fallback: "iteration"
+            });
+          }
+
+          return 0 !== s.length;
+        }
+
+      case "child":
+        return !!n(e, r.right, i) && n(i[0], r.left, i.slice(1));
+
+      case "descendant":
+        if (n(e, r.right, i)) for (let e = 0, t = i.length; e < t; ++e) if (n(i[e], r.left, i.slice(e + 1))) return !0;
+        return !1;
+
+      case "attribute":
+        {
+          const t = function (e, t) {
+            const r = t.split(".");
+
+            for (let t = 0; t < r.length; t++) {
+              if (null == e) return e;
+              e = e[r[t]];
+            }
+
+            return e;
+          }(e, r.name);
+
+          switch (r.operator) {
+            case void 0:
+              return null != t;
+
+            case "=":
+              switch (r.value.type) {
+                case "regexp":
+                  return "string" == typeof t && r.value.value.test(t);
+
+                case "literal":
+                  return "".concat(r.value.value) === "".concat(t);
+
+                case "type":
+                  return r.value.value === typeof t;
+              }
+
+              throw new Error("Unknown selector value type: ".concat(r.value.type));
+
+            case "!=":
+              switch (r.value.type) {
+                case "regexp":
+                  return !r.value.value.test(t);
+
+                case "literal":
+                  return "".concat(r.value.value) !== "".concat(t);
+
+                case "type":
+                  return r.value.value !== typeof t;
+              }
+
+              throw new Error("Unknown selector value type: ".concat(r.value.type));
+
+            case "<=":
+              return t <= r.value.value;
+
+            case "<":
+              return t < r.value.value;
+
+            case ">":
+              return t > r.value.value;
+
+            case ">=":
+              return t >= r.value.value;
+          }
+
+          throw new Error("Unknown operator: ".concat(r.operator));
+        }
+
+      case "sibling":
+        return n(e, r.right, i) && s(e, r.left, i, "LEFT_SIDE") || r.left.subject && n(e, r.left, i) && s(e, r.right, i, "RIGHT_SIDE");
+
+      case "adjacent":
+        return n(e, r.right, i) && o(e, r.left, i, "LEFT_SIDE") || r.right.subject && n(e, r.left, i) && o(e, r.right, i, "RIGHT_SIDE");
+
+      case "nth-child":
+        return n(e, r.right, i) && a(e, i, function () {
+          return r.index.value - 1;
+        });
+
+      case "nth-last-child":
+        return n(e, r.right, i) && a(e, i, function (e) {
+          return e - r.index.value;
+        });
+
+      case "class":
+        switch (r.name.toLowerCase()) {
+          case "statement":
+            if ("Statement" === e.type.slice(-9)) return !0;
+
+          case "declaration":
+            return "Declaration" === e.type.slice(-11);
+
+          case "pattern":
+            if ("Pattern" === e.type.slice(-7)) return !0;
+
+          case "expression":
+            return "Expression" === e.type.slice(-10) || "Literal" === e.type.slice(-7) || "Identifier" === e.type && (0 === i.length || "MetaProperty" !== i[0].type) || "MetaProperty" === e.type;
+
+          case "function":
+            return "FunctionDeclaration" === e.type || "FunctionExpression" === e.type || "ArrowFunctionExpression" === e.type;
+        }
+
+        throw new Error("Unknown class name: ".concat(r.name));
+    }
+
+    throw new Error("Unknown selector type: ".concat(r.type));
+  }
+
+  function s(e, r, s, o) {
+    const [a] = s;
+    if (!a) return !1;
+    const i = t.VisitorKeys[a.type];
+
+    for (let t = 0, l = i.length; t < l; ++t) {
+      const l = a[i[t]];
+
+      if (Array.isArray(l)) {
+        const t = l.indexOf(e);
+        if (t < 0) continue;
+        let a, i;
+        "LEFT_SIDE" === o ? (a = 0, i = t) : (a = t + 1, i = l.length);
+
+        for (let e = a; e < i; ++e) if (n(l[e], r, s)) return !0;
+      }
+    }
+
+    return !1;
+  }
+
+  function o(e, r, s, o) {
+    const [a] = s;
+    if (!a) return !1;
+    const i = t.VisitorKeys[a.type];
+
+    for (let t = 0, l = i.length; t < l; ++t) {
+      const l = a[i[t]];
+
+      if (Array.isArray(l)) {
+        const t = l.indexOf(e);
+        if (t < 0) continue;
+        if ("LEFT_SIDE" === o && t > 0 && n(l[t - 1], r, s)) return !0;
+        if ("RIGHT_SIDE" === o && t < l.length - 1 && n(l[t + 1], r, s)) return !0;
+      }
+    }
+
+    return !1;
+  }
+
+  function a(e, r, n) {
+    const [s] = r;
+    if (!s) return !1;
+    const o = t.VisitorKeys[s.type];
+
+    for (let t = 0, r = o.length; t < r; ++t) {
+      const r = s[o[t]];
+
+      if (Array.isArray(r)) {
+        const t = r.indexOf(e);
+        if (t >= 0 && t === n(r.length)) return !0;
+      }
+    }
+
+    return !1;
+  }
+
+  function i(e, r) {
+    const s = [],
+          o = [];
+    if (!r) return o;
+
+    const a = function e(t, r) {
+      if (null == t || "object" != typeof t) return [];
+      null == r && (r = t);
+      const n = t.subject ? [r] : [];
+
+      for (const [s, o] of Object.entries(t)) n.push(...e(o, "left" === s ? o : r));
+
+      return n;
+    }(r);
+
+    return t.traverse(e, {
+      enter(e, t) {
+        if (null != t && s.unshift(t), n(e, r, s)) if (a.length) for (let t = 0, r = a.length; t < r; ++t) {
+          n(e, a[t], s) && o.push(e);
+
+          for (let e = 0, r = s.length; e < r; ++e) n(s[e], a[t], s.slice(e + 1)) && o.push(s[e]);
+        } else o.push(e);
+      },
+
+      leave() {
+        s.shift();
+      },
+
+      fallback: "iteration"
+    }), o;
+  }
+
+  function l(e) {
+    return r.parse(e);
+  }
+
+  function u(e, t) {
+    return i(e, l(t));
+  }
+
+  return u.parse = l, u.match = i, u.matches = n, u.query = u, u;
+});
+
+/***/ }),
+/* 813 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A helper that translates context.report() calls from the rule API into generic problem objects
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const assert = __webpack_require__(379);
+
+const ruleFixer = __webpack_require__(814);
+
+const interpolate = __webpack_require__(815); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An error message description
+ * @typedef {Object} MessageDescriptor
+ * @property {ASTNode} [node] The reported node
+ * @property {Location} loc The location of the problem.
+ * @property {string} message The problem message.
+ * @property {Object} [data] Optional data to use to fill in placeholders in the
+ *      message.
+ * @property {Function} [fix] The function to call that creates a fix command.
+ * @property {Array<{desc?: string, messageId?: string, fix: Function}>} suggest Suggestion descriptions and functions to create a the associated fixes.
+ */
+
+/**
+ * Information about the report
+ * @typedef {Object} ReportInfo
+ * @property {string} ruleId
+ * @property {(0|1|2)} severity
+ * @property {(string|undefined)} message
+ * @property {(string|undefined)} [messageId]
+ * @property {number} line
+ * @property {number} column
+ * @property {(number|undefined)} [endLine]
+ * @property {(number|undefined)} [endColumn]
+ * @property {(string|null)} nodeType
+ * @property {string} source
+ * @property {({text: string, range: (number[]|null)}|null)} [fix]
+ * @property {Array<{text: string, range: (number[]|null)}|null>} [suggestions]
+ */
+//------------------------------------------------------------------------------
+// Module Definition
+//------------------------------------------------------------------------------
+
+/**
+ * Translates a multi-argument context.report() call into a single object argument call
+ * @param {...*} args A list of arguments passed to `context.report`
+ * @returns {MessageDescriptor} A normalized object containing report information
+ */
+
+
+function normalizeMultiArgReportCall(...args) {
+  // If there is one argument, it is considered to be a new-style call already.
+  if (args.length === 1) {
+    // Shallow clone the object to avoid surprises if reusing the descriptor
+    return Object.assign({}, args[0]);
+  } // If the second argument is a string, the arguments are interpreted as [node, message, data, fix].
+
+
+  if (typeof args[1] === "string") {
+    return {
+      node: args[0],
+      message: args[1],
+      data: args[2],
+      fix: args[3]
+    };
+  } // Otherwise, the arguments are interpreted as [node, loc, message, data, fix].
+
+
+  return {
+    node: args[0],
+    loc: args[1],
+    message: args[2],
+    data: args[3],
+    fix: args[4]
+  };
+}
+/**
+ * Asserts that either a loc or a node was provided, and the node is valid if it was provided.
+ * @param {MessageDescriptor} descriptor A descriptor to validate
+ * @returns {void}
+ * @throws AssertionError if neither a node nor a loc was provided, or if the node is not an object
+ */
+
+
+function assertValidNodeInfo(descriptor) {
+  if (descriptor.node) {
+    assert(typeof descriptor.node === "object", "Node must be an object");
+  } else {
+    assert(descriptor.loc, "Node must be provided when reporting error if location is not provided");
+  }
+}
+/**
+ * Normalizes a MessageDescriptor to always have a `loc` with `start` and `end` properties
+ * @param {MessageDescriptor} descriptor A descriptor for the report from a rule.
+ * @returns {{start: Location, end: (Location|null)}} An updated location that infers the `start` and `end` properties
+ * from the `node` of the original descriptor, or infers the `start` from the `loc` of the original descriptor.
+ */
+
+
+function normalizeReportLoc(descriptor) {
+  if (descriptor.loc) {
+    if (descriptor.loc.start) {
+      return descriptor.loc;
+    }
+
+    return {
+      start: descriptor.loc,
+      end: null
+    };
+  }
+
+  return descriptor.node.loc;
+}
+/**
+ * Compares items in a fixes array by range.
+ * @param {Fix} a The first message.
+ * @param {Fix} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+
+
+function compareFixesByRange(a, b) {
+  return a.range[0] - b.range[0] || a.range[1] - b.range[1];
+}
+/**
+ * Merges the given fixes array into one.
+ * @param {Fix[]} fixes The fixes to merge.
+ * @param {SourceCode} sourceCode The source code object to get the text between fixes.
+ * @returns {{text: string, range: number[]}} The merged fixes
+ */
+
+
+function mergeFixes(fixes, sourceCode) {
+  if (fixes.length === 0) {
+    return null;
+  }
+
+  if (fixes.length === 1) {
+    return fixes[0];
+  }
+
+  fixes.sort(compareFixesByRange);
+  const originalText = sourceCode.text;
+  const start = fixes[0].range[0];
+  const end = fixes[fixes.length - 1].range[1];
+  let text = "";
+  let lastPos = Number.MIN_SAFE_INTEGER;
+
+  for (const fix of fixes) {
+    assert(fix.range[0] >= lastPos, "Fix objects must not be overlapped in a report.");
+
+    if (fix.range[0] >= 0) {
+      text += originalText.slice(Math.max(0, start, lastPos), fix.range[0]);
+    }
+
+    text += fix.text;
+    lastPos = fix.range[1];
+  }
+
+  text += originalText.slice(Math.max(0, start, lastPos), end);
+  return {
+    range: [start, end],
+    text
+  };
+}
+/**
+ * Gets one fix object from the given descriptor.
+ * If the descriptor retrieves multiple fixes, this merges those to one.
+ * @param {MessageDescriptor} descriptor The report descriptor.
+ * @param {SourceCode} sourceCode The source code object to get text between fixes.
+ * @returns {({text: string, range: number[]}|null)} The fix for the descriptor
+ */
+
+
+function normalizeFixes(descriptor, sourceCode) {
+  if (typeof descriptor.fix !== "function") {
+    return null;
+  } // @type {null | Fix | Fix[] | IterableIterator<Fix>}
+
+
+  const fix = descriptor.fix(ruleFixer); // Merge to one.
+
+  if (fix && Symbol.iterator in fix) {
+    return mergeFixes(Array.from(fix), sourceCode);
+  }
+
+  return fix;
+}
+/**
+ * Gets an array of suggestion objects from the given descriptor.
+ * @param {MessageDescriptor} descriptor The report descriptor.
+ * @param {SourceCode} sourceCode The source code object to get text between fixes.
+ * @param {Object} messages Object of meta messages for the rule.
+ * @returns {Array<SuggestionResult>} The suggestions for the descriptor
+ */
+
+
+function mapSuggestions(descriptor, sourceCode, messages) {
+  if (!descriptor.suggest || !Array.isArray(descriptor.suggest)) {
+    return [];
+  }
+
+  return descriptor.suggest.map(suggestInfo => {
+    const computedDesc = suggestInfo.desc || messages[suggestInfo.messageId];
+    return _objectSpread({}, suggestInfo, {
+      desc: interpolate(computedDesc, suggestInfo.data),
+      fix: normalizeFixes(suggestInfo, sourceCode)
+    });
+  });
+}
+/**
+ * Creates information about the report from a descriptor
+ * @param {Object} options Information about the problem
+ * @param {string} options.ruleId Rule ID
+ * @param {(0|1|2)} options.severity Rule severity
+ * @param {(ASTNode|null)} options.node Node
+ * @param {string} options.message Error message
+ * @param {string} [options.messageId] The error message ID.
+ * @param {{start: SourceLocation, end: (SourceLocation|null)}} options.loc Start and end location
+ * @param {{text: string, range: (number[]|null)}} options.fix The fix object
+ * @param {Array<{text: string, range: (number[]|null)}>} options.suggestions The array of suggestions objects
+ * @returns {function(...args): ReportInfo} Function that returns information about the report
+ */
+
+
+function createProblem(options) {
+  const problem = {
+    ruleId: options.ruleId,
+    severity: options.severity,
+    message: options.message,
+    line: options.loc.start.line,
+    column: options.loc.start.column + 1,
+    nodeType: options.node && options.node.type || null
+  };
+  /*
+   * If this isn’t in the conditional, some of the tests fail
+   * because `messageId` is present in the problem object
+   */
+
+  if (options.messageId) {
+    problem.messageId = options.messageId;
+  }
+
+  if (options.loc.end) {
+    problem.endLine = options.loc.end.line;
+    problem.endColumn = options.loc.end.column + 1;
+  }
+
+  if (options.fix) {
+    problem.fix = options.fix;
+  }
+
+  if (options.suggestions && options.suggestions.length > 0) {
+    problem.suggestions = options.suggestions;
+  }
+
+  return problem;
+}
+/**
+ * Validates that suggestions are properly defined. Throws if an error is detected.
+ * @param {Array<{ desc?: string, messageId?: string }>} suggest The incoming suggest data.
+ * @param {Object} messages Object of meta messages for the rule.
+ * @returns {void}
+ */
+
+
+function validateSuggestions(suggest, messages) {
+  if (suggest && Array.isArray(suggest)) {
+    suggest.forEach(suggestion => {
+      if (suggestion.messageId) {
+        const {
+          messageId
+        } = suggestion;
+
+        if (!messages) {
+          throw new TypeError("context.report() called with a suggest option with a messageId '".concat(messageId, "', but no messages were present in the rule metadata."));
+        }
+
+        if (!messages[messageId]) {
+          throw new TypeError("context.report() called with a suggest option with a messageId '".concat(messageId, "' which is not present in the 'messages' config: ").concat(JSON.stringify(messages, null, 2)));
+        }
+
+        if (suggestion.desc) {
+          throw new TypeError("context.report() called with a suggest option that defines both a 'messageId' and an 'desc'. Please only pass one.");
+        }
+      } else if (!suggestion.desc) {
+        throw new TypeError("context.report() called with a suggest option that doesn't have either a `desc` or `messageId`");
+      }
+
+      if (typeof suggestion.fix !== "function") {
+        throw new TypeError("context.report() called with a suggest option without a fix function. See: ".concat(suggestion));
+      }
+    });
+  }
+}
+/**
+ * Returns a function that converts the arguments of a `context.report` call from a rule into a reported
+ * problem for the Node.js API.
+ * @param {{ruleId: string, severity: number, sourceCode: SourceCode, messageIds: Object, disableFixes: boolean}} metadata Metadata for the reported problem
+ * @param {SourceCode} sourceCode The `SourceCode` instance for the text being linted
+ * @returns {function(...args): ReportInfo} Function that returns information about the report
+ */
+
+
+module.exports = function createReportTranslator(metadata) {
+  /*
+   * `createReportTranslator` gets called once per enabled rule per file. It needs to be very performant.
+   * The report translator itself (i.e. the function that `createReportTranslator` returns) gets
+   * called every time a rule reports a problem, which happens much less frequently (usually, the vast
+   * majority of rules don't report any problems for a given file).
+   */
+  return (...args) => {
+    const descriptor = normalizeMultiArgReportCall(...args);
+    const messages = metadata.messageIds;
+    assertValidNodeInfo(descriptor);
+    let computedMessage;
+
+    if (descriptor.messageId) {
+      if (!messages) {
+        throw new TypeError("context.report() called with a messageId, but no messages were present in the rule metadata.");
+      }
+
+      const id = descriptor.messageId;
+
+      if (descriptor.message) {
+        throw new TypeError("context.report() called with a message and a messageId. Please only pass one.");
+      }
+
+      if (!messages || !Object.prototype.hasOwnProperty.call(messages, id)) {
+        throw new TypeError("context.report() called with a messageId of '".concat(id, "' which is not present in the 'messages' config: ").concat(JSON.stringify(messages, null, 2)));
+      }
+
+      computedMessage = messages[id];
+    } else if (descriptor.message) {
+      computedMessage = descriptor.message;
+    } else {
+      throw new TypeError("Missing `message` property in report() call; add a message that describes the linting problem.");
+    }
+
+    validateSuggestions(descriptor.suggest, messages);
+    return createProblem({
+      ruleId: metadata.ruleId,
+      severity: metadata.severity,
+      node: descriptor.node,
+      message: interpolate(computedMessage, descriptor.data),
+      messageId: descriptor.messageId,
+      loc: normalizeReportLoc(descriptor),
+      fix: metadata.disableFixes ? null : normalizeFixes(descriptor, metadata.sourceCode),
+      suggestions: metadata.disableFixes ? [] : mapSuggestions(descriptor, metadata.sourceCode, messages)
+    });
+  };
+};
+
+/***/ }),
+/* 814 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview An object that creates fix commands for rules.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+// none!
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Creates a fix command that inserts text at the specified index in the source text.
+ * @param {int} index The 0-based index at which to insert the new text.
+ * @param {string} text The text to insert.
+ * @returns {Object} The fix command.
+ * @private
+ */
+
+function insertTextAt(index, text) {
+  return {
+    range: [index, index],
+    text
+  };
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Creates code fixing commands for rules.
+ */
+
+
+const ruleFixer = Object.freeze({
+  /**
+   * Creates a fix command that inserts text after the given node or token.
+   * The fix is not applied until applyFixes() is called.
+   * @param {ASTNode|Token} nodeOrToken The node or token to insert after.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  insertTextAfter(nodeOrToken, text) {
+    return this.insertTextAfterRange(nodeOrToken.range, text);
+  },
+
+  /**
+   * Creates a fix command that inserts text after the specified range in the source text.
+   * The fix is not applied until applyFixes() is called.
+   * @param {int[]} range The range to replace, first item is start of range, second
+   *      is end of range.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  insertTextAfterRange(range, text) {
+    return insertTextAt(range[1], text);
+  },
+
+  /**
+   * Creates a fix command that inserts text before the given node or token.
+   * The fix is not applied until applyFixes() is called.
+   * @param {ASTNode|Token} nodeOrToken The node or token to insert before.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  insertTextBefore(nodeOrToken, text) {
+    return this.insertTextBeforeRange(nodeOrToken.range, text);
+  },
+
+  /**
+   * Creates a fix command that inserts text before the specified range in the source text.
+   * The fix is not applied until applyFixes() is called.
+   * @param {int[]} range The range to replace, first item is start of range, second
+   *      is end of range.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  insertTextBeforeRange(range, text) {
+    return insertTextAt(range[0], text);
+  },
+
+  /**
+   * Creates a fix command that replaces text at the node or token.
+   * The fix is not applied until applyFixes() is called.
+   * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  replaceText(nodeOrToken, text) {
+    return this.replaceTextRange(nodeOrToken.range, text);
+  },
+
+  /**
+   * Creates a fix command that replaces text at the specified range in the source text.
+   * The fix is not applied until applyFixes() is called.
+   * @param {int[]} range The range to replace, first item is start of range, second
+   *      is end of range.
+   * @param {string} text The text to insert.
+   * @returns {Object} The fix command.
+   */
+  replaceTextRange(range, text) {
+    return {
+      range,
+      text
+    };
+  },
+
+  /**
+   * Creates a fix command that removes the node or token from the source.
+   * The fix is not applied until applyFixes() is called.
+   * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+   * @returns {Object} The fix command.
+   */
+  remove(nodeOrToken) {
+    return this.removeRange(nodeOrToken.range);
+  },
+
+  /**
+   * Creates a fix command that removes the specified range of text from the source.
+   * The fix is not applied until applyFixes() is called.
+   * @param {int[]} range The range to remove, first item is start of range, second
+   *      is end of range.
+   * @returns {Object} The fix command.
+   */
+  removeRange(range) {
+    return {
+      range,
+      text: ""
+    };
+  }
+
+});
+module.exports = ruleFixer;
+
+/***/ }),
+/* 815 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Interpolate keys from an object into a string with {{ }} markers.
+ * @author Jed Fox
+ */
+ //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = (text, data) => {
+  if (!data) {
+    return text;
+  } // Substitution content for any {{ }} markers.
+
+
+  return text.replace(/\{\{([^{}]+?)\}\}/gu, (fullMatch, termWithWhitespace) => {
+    const term = termWithWhitespace.trim();
+
+    if (term in data) {
+      return data[term];
+    } // Preserve old behavior: If parameter name not provided, don't replace it.
+
+
+    return fullMatch;
+  });
+};
+
+/***/ }),
+/* 816 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Defines a storage for rules.
+ * @author Nicholas C. Zakas
+ * @author aladdin-add
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const builtInRules = __webpack_require__(414); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Normalizes a rule module to the new-style API
+ * @param {(Function|{create: Function})} rule A rule object, which can either be a function
+ * ("old-style") or an object with a `create` method ("new-style")
+ * @returns {{create: Function}} A new-style rule.
+ */
+
+
+function normalizeRule(rule) {
+  return typeof rule === "function" ? Object.assign({
+    create: rule
+  }, rule) : rule;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+class Rules {
+  constructor() {
+    this._rules = Object.create(null);
+  }
+  /**
+   * Registers a rule module for rule id in storage.
+   * @param {string} ruleId Rule id (file name).
+   * @param {Function} ruleModule Rule handler.
+   * @returns {void}
+   */
+
+
+  define(ruleId, ruleModule) {
+    this._rules[ruleId] = normalizeRule(ruleModule);
+  }
+  /**
+   * Access rule handler by id (file name).
+   * @param {string} ruleId Rule id (file name).
+   * @returns {{create: Function, schema: JsonSchema[]}}
+   * A rule. This is normalized to always have the new-style shape with a `create` method.
+   */
+
+
+  get(ruleId) {
+    if (typeof this._rules[ruleId] === "string") {
+      this.define(ruleId, __webpack_require__(817)(this._rules[ruleId]));
+    }
+
+    if (this._rules[ruleId]) {
+      return this._rules[ruleId];
+    }
+
+    if (builtInRules.has(ruleId)) {
+      return builtInRules.get(ruleId);
+    }
+
+    return null;
+  }
+
+  *[Symbol.iterator]() {
+    yield* builtInRules;
+
+    for (const ruleId of Object.keys(this._rules)) {
+      yield [ruleId, this.get(ruleId)];
+    }
+  }
+
+}
+
+module.exports = Rules;
+
+/***/ }),
+/* 817 */
+/***/ (function(module, exports) {
+
+function webpackEmptyContext(req) {
+	var e = new Error("Cannot find module '" + req + "'");
+	e.code = 'MODULE_NOT_FOUND';
+	throw e;
+}
+webpackEmptyContext.keys = function() { return []; };
+webpackEmptyContext.resolve = webpackEmptyContext;
+module.exports = webpackEmptyContext;
+webpackEmptyContext.id = 817;
+
+/***/ }),
+/* 818 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview A variant of EventEmitter which does not give listeners information about each other
+ * @author Teddy Katz
+ */
+ //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An event emitter
+ * @typedef {Object} SafeEmitter
+ * @property {function(eventName: string, listenerFunc: Function): void} on Adds a listener for a given event name
+ * @property {function(eventName: string, arg1?: any, arg2?: any, arg3?: any)} emit Emits an event with a given name.
+ * This calls all the listeners that were listening for that name, with `arg1`, `arg2`, and `arg3` as arguments.
+ * @property {function(): string[]} eventNames Gets the list of event names that have registered listeners.
+ */
+
+/**
+ * Creates an object which can listen for and emit events.
+ * This is similar to the EventEmitter API in Node's standard library, but it has a few differences.
+ * The goal is to allow multiple modules to attach arbitrary listeners to the same emitter, without
+ * letting the modules know about each other at all.
+ * 1. It has no special keys like `error` and `newListener`, which would allow modules to detect when
+ * another module throws an error or registers a listener.
+ * 2. It calls listener functions without any `this` value. (`EventEmitter` calls listeners with a
+ * `this` value of the emitter instance, which would give listeners access to other listeners.)
+ * @returns {SafeEmitter} An emitter
+ */
+
+module.exports = () => {
+  const listeners = Object.create(null);
+  return Object.freeze({
+    on(eventName, listener) {
+      if (eventName in listeners) {
+        listeners[eventName].push(listener);
+      } else {
+        listeners[eventName] = [listener];
+      }
+    },
+
+    emit(eventName, ...args) {
+      if (eventName in listeners) {
+        listeners[eventName].forEach(listener => listener(...args));
+      }
+    },
+
+    eventNames() {
+      return Object.keys(listeners);
+    }
+
+  });
+};
+
+/***/ }),
+/* 819 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview An object that caches and applies source code fixes.
+ * @author Nicholas C. Zakas
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = __webpack_require__(416)("eslint:source-code-fixer"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const BOM = "\uFEFF";
+/**
+ * Compares items in a messages array by range.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+
+function compareMessagesByFixRange(a, b) {
+  return a.fix.range[0] - b.fix.range[0] || a.fix.range[1] - b.fix.range[1];
+}
+/**
+ * Compares items in a messages array by line and column.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+
+
+function compareMessagesByLocation(a, b) {
+  return a.line - b.line || a.column - b.column;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Utility for apply fixes to source code.
+ * @constructor
+ */
+
+
+function SourceCodeFixer() {
+  Object.freeze(this);
+}
+/**
+ * Applies the fixes specified by the messages to the given text. Tries to be
+ * smart about the fixes and won't apply fixes over the same area in the text.
+ * @param {string} sourceText The text to apply the changes to.
+ * @param {Message[]} messages The array of messages reported by ESLint.
+ * @param {boolean|Function} [shouldFix=true] Determines whether each message should be fixed
+ * @returns {Object} An object containing the fixed text and any unfixed messages.
+ */
+
+
+SourceCodeFixer.applyFixes = function (sourceText, messages, shouldFix) {
+  debug("Applying fixes");
+
+  if (shouldFix === false) {
+    debug("shouldFix parameter was false, not attempting fixes");
+    return {
+      fixed: false,
+      messages,
+      output: sourceText
+    };
+  } // clone the array
+
+
+  const remainingMessages = [],
+        fixes = [],
+        bom = sourceText.startsWith(BOM) ? BOM : "",
+        text = bom ? sourceText.slice(1) : sourceText;
+  let lastPos = Number.NEGATIVE_INFINITY,
+      output = bom;
+  /**
+   * Try to use the 'fix' from a problem.
+   * @param   {Message} problem The message object to apply fixes from
+   * @returns {boolean}         Whether fix was successfully applied
+   */
+
+  function attemptFix(problem) {
+    const fix = problem.fix;
+    const start = fix.range[0];
+    const end = fix.range[1]; // Remain it as a problem if it's overlapped or it's a negative range
+
+    if (lastPos >= start || start > end) {
+      remainingMessages.push(problem);
+      return false;
+    } // Remove BOM.
+
+
+    if (start < 0 && end >= 0 || start === 0 && fix.text.startsWith(BOM)) {
+      output = "";
+    } // Make output to this fix.
+
+
+    output += text.slice(Math.max(0, lastPos), Math.max(0, start));
+    output += fix.text;
+    lastPos = end;
+    return true;
+  }
+
+  messages.forEach(problem => {
+    if (Object.prototype.hasOwnProperty.call(problem, "fix")) {
+      fixes.push(problem);
+    } else {
+      remainingMessages.push(problem);
+    }
+  });
+
+  if (fixes.length) {
+    debug("Found fixes to apply");
+    let fixesWereApplied = false;
+
+    for (const problem of fixes.sort(compareMessagesByFixRange)) {
+      if (typeof shouldFix !== "function" || shouldFix(problem)) {
+        attemptFix(problem);
+        /*
+         * The only time attemptFix will fail is if a previous fix was
+         * applied which conflicts with it.  So we can mark this as true.
+         */
+
+        fixesWereApplied = true;
+      } else {
+        remainingMessages.push(problem);
+      }
+    }
+
+    output += text.slice(Math.max(0, lastPos));
+    return {
+      fixed: fixesWereApplied,
+      messages: remainingMessages.sort(compareMessagesByLocation),
+      output
+    };
+  }
+
+  debug("No fixes to apply");
+  return {
+    fixed: false,
+    messages,
+    output: bom + text
+  };
+};
+
+module.exports = SourceCodeFixer;
+
+/***/ }),
+/* 820 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Tracks performance of individual rules.
+ * @author Brandon Mills
+ */
+ //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/* istanbul ignore next */
+
+/**
+ * Align the string to left
+ * @param {string} str string to evaluate
+ * @param {int} len length of the string
+ * @param {string} ch delimiter character
+ * @returns {string} modified string
+ * @private
+ */
+
+function alignLeft(str, len, ch) {
+  return str + new Array(len - str.length + 1).join(ch || " ");
+}
+/* istanbul ignore next */
+
+/**
+ * Align the string to right
+ * @param {string} str string to evaluate
+ * @param {int} len length of the string
+ * @param {string} ch delimiter character
+ * @returns {string} modified string
+ * @private
+ */
+
+
+function alignRight(str, len, ch) {
+  return new Array(len - str.length + 1).join(ch || " ") + str;
+} //------------------------------------------------------------------------------
+// Module definition
+//------------------------------------------------------------------------------
+
+
+const enabled = !!process.env.TIMING;
+const HEADERS = ["Rule", "Time (ms)", "Relative"];
+const ALIGN = [alignLeft, alignRight, alignRight];
+/* istanbul ignore next */
+
+/**
+ * display the data
+ * @param {Object} data Data object to be displayed
+ * @returns {void} prints modified string with console.log
+ * @private
+ */
+
+function display(data) {
+  let total = 0;
+  const rows = Object.keys(data).map(key => {
+    const time = data[key];
+    total += time;
+    return [key, time];
+  }).sort((a, b) => b[1] - a[1]).slice(0, 10);
+  rows.forEach(row => {
+    row.push("".concat((row[1] * 100 / total).toFixed(1), "%"));
+    row[1] = row[1].toFixed(3);
+  });
+  rows.unshift(HEADERS);
+  const widths = [];
+  rows.forEach(row => {
+    const len = row.length;
+
+    for (let i = 0; i < len; i++) {
+      const n = row[i].length;
+
+      if (!widths[i] || n > widths[i]) {
+        widths[i] = n;
+      }
+    }
+  });
+  const table = rows.map(row => row.map((cell, index) => ALIGN[index](cell, widths[index])).join(" | "));
+  table.splice(1, 0, widths.map((width, index) => {
+    const extraAlignment = index !== 0 && index !== widths.length - 1 ? 2 : 1;
+    return ALIGN[index](":", width + extraAlignment, "-");
+  }).join("|"));
+  console.log(table.join("\n")); // eslint-disable-line no-console
+}
+/* istanbul ignore next */
+
+
+module.exports = function () {
+  const data = Object.create(null);
+  /**
+   * Time the run
+   * @param {*} key key from the data object
+   * @param {Function} fn function to be called
+   * @returns {Function} function to be executed
+   * @private
+   */
+
+  function time(key, fn) {
+    if (typeof data[key] === "undefined") {
+      data[key] = 0;
+    }
+
+    return function (...args) {
+      let t = process.hrtime();
+      fn(...args);
+      t = process.hrtime(t);
+      data[key] += t[0] * 1e3 + t[1] / 1e6;
+    };
+  }
+
+  if (enabled) {
+    process.on("exit", () => {
+      display(data);
+    });
+  }
+
+  return {
+    time,
+    enabled
+  };
+}();
+
+/***/ }),
+/* 821 */
+/***/ (function(module) {
+
+module.exports = JSON.parse("{\"rules\":{\"generator-star\":[\"generator-star-spacing\"],\"global-strict\":[\"strict\"],\"no-arrow-condition\":[\"no-confusing-arrow\",\"no-constant-condition\"],\"no-comma-dangle\":[\"comma-dangle\"],\"no-empty-class\":[\"no-empty-character-class\"],\"no-empty-label\":[\"no-labels\"],\"no-extra-strict\":[\"strict\"],\"no-reserved-keys\":[\"quote-props\"],\"no-space-before-semi\":[\"semi-spacing\"],\"no-wrap-func\":[\"no-extra-parens\"],\"space-after-function-name\":[\"space-before-function-paren\"],\"space-after-keywords\":[\"keyword-spacing\"],\"space-before-function-parentheses\":[\"space-before-function-paren\"],\"space-before-keywords\":[\"keyword-spacing\"],\"space-in-brackets\":[\"object-curly-spacing\",\"array-bracket-spacing\",\"computed-property-spacing\"],\"space-return-throw-case\":[\"keyword-spacing\"],\"space-unary-word-ops\":[\"space-unary-ops\"],\"spaced-line-comment\":[\"spaced-comment\"]}}");
+
+/***/ }),
+/* 822 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const {
+  CLIEngine
+} = __webpack_require__(823);
+
+module.exports = {
+  CLIEngine
+};
+
+/***/ }),
+/* 823 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(__dirname) {/**
+ * @fileoverview Main CLI object.
+ * @author Nicholas C. Zakas
+ */
+
+/*
+ * The CLI object should *not* call process.exit() directly. It should only return
+ * exit codes. This allows other programs to use the CLI object and still control
+ * when the program exits.
+ */
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const fs = __webpack_require__(824);
+
+const path = __webpack_require__(377);
+
+const defaultOptions = __webpack_require__(825);
+
+const pkg = __webpack_require__(408);
+
+const ConfigOps = __webpack_require__(410);
+
+const naming = __webpack_require__(826);
+
+const ModuleResolver = __webpack_require__(827);
+
+const {
+  Linter
+} = __webpack_require__(829);
+
+const builtInRules = __webpack_require__(414);
+
+const {
+  CascadingConfigArrayFactory
+} = __webpack_require__(830);
+
+const {
+  IgnorePattern,
+  getUsedExtractedConfigs
+} = __webpack_require__(838);
+
+const {
+  FileEnumerator
+} = __webpack_require__(882);
+
+const hash = __webpack_require__(886);
+
+const LintResultCache = __webpack_require__(888);
+
+const debug = __webpack_require__(416)("eslint:cli-engine");
+
+const validFixTypes = new Set(["problem", "suggestion", "layout"]); //------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+// For VSCode IntelliSense
+
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+
+/** @typedef {import("../shared/types").LintMessage} LintMessage */
+
+/** @typedef {import("../shared/types").ParserOptions} ParserOptions */
+
+/** @typedef {import("../shared/types").Plugin} Plugin */
+
+/** @typedef {import("../shared/types").RuleConf} RuleConf */
+
+/** @typedef {import("../shared/types").Rule} Rule */
+
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+
+/** @typedef {ReturnType<ConfigArray["extractConfig"]>} ExtractedConfig */
+
+/**
+ * The options to configure a CLI engine with.
+ * @typedef {Object} CLIEngineOptions
+ * @property {boolean} allowInlineConfig Enable or disable inline configuration comments.
+ * @property {ConfigData} baseConfig Base config object, extended by all configs used with this CLIEngine instance
+ * @property {boolean} cache Enable result caching.
+ * @property {string} cacheLocation The cache file to use instead of .eslintcache.
+ * @property {string} configFile The configuration file to use.
+ * @property {string} cwd The value to use for the current working directory.
+ * @property {string[]} envs An array of environments to load.
+ * @property {string[]|null} extensions An array of file extensions to check.
+ * @property {boolean|Function} fix Execute in autofix mode. If a function, should return a boolean.
+ * @property {string[]} fixTypes Array of rule types to apply fixes for.
+ * @property {string[]} globals An array of global variables to declare.
+ * @property {boolean} ignore False disables use of .eslintignore.
+ * @property {string} ignorePath The ignore file to use instead of .eslintignore.
+ * @property {string|string[]} ignorePattern One or more glob patterns to ignore.
+ * @property {boolean} useEslintrc False disables looking for .eslintrc
+ * @property {string} parser The name of the parser to use.
+ * @property {ParserOptions} parserOptions An object of parserOption settings to use.
+ * @property {string[]} plugins An array of plugins to load.
+ * @property {Record<string,RuleConf>} rules An object of rules to use.
+ * @property {string[]} rulePaths An array of directories to load custom rules from.
+ * @property {boolean} reportUnusedDisableDirectives `true` adds reports for unused eslint-disable directives
+ * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {string} resolvePluginsRelativeTo The folder where plugins should be resolved from, defaulting to the CWD
+ */
+
+/**
+ * A linting result.
+ * @typedef {Object} LintResult
+ * @property {string} filePath The path to the file that was linted.
+ * @property {LintMessage[]} messages All of the messages for the result.
+ * @property {number} errorCount Number of errors for the result.
+ * @property {number} warningCount Number of warnings for the result.
+ * @property {number} fixableErrorCount Number of fixable errors for the result.
+ * @property {number} fixableWarningCount Number of fixable warnings for the result.
+ * @property {string} [source] The source code of the file that was linted.
+ * @property {string} [output] The source code of the file that was linted, with as many fixes applied as possible.
+ */
+
+/**
+ * Information of deprecated rules.
+ * @typedef {Object} DeprecatedRuleInfo
+ * @property {string} ruleId The rule ID.
+ * @property {string[]} replacedBy The rule IDs that replace this deprecated rule.
+ */
+
+/**
+ * Linting results.
+ * @typedef {Object} LintReport
+ * @property {LintResult[]} results All of the result.
+ * @property {number} errorCount Number of errors for the result.
+ * @property {number} warningCount Number of warnings for the result.
+ * @property {number} fixableErrorCount Number of fixable errors for the result.
+ * @property {number} fixableWarningCount Number of fixable warnings for the result.
+ * @property {DeprecatedRuleInfo[]} usedDeprecatedRules The list of used deprecated rules.
+ */
+
+/**
+ * Private data for CLIEngine.
+ * @typedef {Object} CLIEngineInternalSlots
+ * @property {Map<string, Plugin>} additionalPluginPool The map for additional plugins.
+ * @property {string} cacheFilePath The path to the cache of lint results.
+ * @property {CascadingConfigArrayFactory} configArrayFactory The factory of configs.
+ * @property {(filePath: string) => boolean} defaultIgnores The default predicate function to check if a file ignored or not.
+ * @property {FileEnumerator} fileEnumerator The file enumerator.
+ * @property {ConfigArray[]} lastConfigArrays The list of config arrays that the last `executeOnFiles` or `executeOnText` used.
+ * @property {LintResultCache|null} lintResultCache The cache of lint results.
+ * @property {Linter} linter The linter instance which has loaded rules.
+ * @property {CLIEngineOptions} options The normalized options of this instance.
+ */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/** @type {WeakMap<CLIEngine, CLIEngineInternalSlots>} */
+
+const internalSlotsMap = new WeakMap();
+/**
+ * Determines if each fix type in an array is supported by ESLint and throws
+ * an error if not.
+ * @param {string[]} fixTypes An array of fix types to check.
+ * @returns {void}
+ * @throws {Error} If an invalid fix type is found.
+ */
+
+function validateFixTypes(fixTypes) {
+  for (const fixType of fixTypes) {
+    if (!validFixTypes.has(fixType)) {
+      throw new Error("Invalid fix type \"".concat(fixType, "\" found."));
+    }
+  }
+}
+/**
+ * It will calculate the error and warning count for collection of messages per file
+ * @param {LintMessage[]} messages Collection of messages
+ * @returns {Object} Contains the stats
+ * @private
+ */
+
+
+function calculateStatsPerFile(messages) {
+  return messages.reduce((stat, message) => {
+    if (message.fatal || message.severity === 2) {
+      stat.errorCount++;
+
+      if (message.fix) {
+        stat.fixableErrorCount++;
+      }
+    } else {
+      stat.warningCount++;
+
+      if (message.fix) {
+        stat.fixableWarningCount++;
+      }
+    }
+
+    return stat;
+  }, {
+    errorCount: 0,
+    warningCount: 0,
+    fixableErrorCount: 0,
+    fixableWarningCount: 0
+  });
+}
+/**
+ * It will calculate the error and warning count for collection of results from all files
+ * @param {LintResult[]} results Collection of messages from all the files
+ * @returns {Object} Contains the stats
+ * @private
+ */
+
+
+function calculateStatsPerRun(results) {
+  return results.reduce((stat, result) => {
+    stat.errorCount += result.errorCount;
+    stat.warningCount += result.warningCount;
+    stat.fixableErrorCount += result.fixableErrorCount;
+    stat.fixableWarningCount += result.fixableWarningCount;
+    return stat;
+  }, {
+    errorCount: 0,
+    warningCount: 0,
+    fixableErrorCount: 0,
+    fixableWarningCount: 0
+  });
+}
+/**
+ * Processes an source code using ESLint.
+ * @param {Object} config The config object.
+ * @param {string} config.text The source code to verify.
+ * @param {string} config.cwd The path to the current working directory.
+ * @param {string|undefined} config.filePath The path to the file of `text`. If this is undefined, it uses `<text>`.
+ * @param {ConfigArray} config.config The config.
+ * @param {boolean} config.fix If `true` then it does fix.
+ * @param {boolean} config.allowInlineConfig If `true` then it uses directive comments.
+ * @param {boolean} config.reportUnusedDisableDirectives If `true` then it reports unused `eslint-disable` comments.
+ * @param {FileEnumerator} config.fileEnumerator The file enumerator to check if a path is a target or not.
+ * @param {Linter} config.linter The linter instance to verify.
+ * @returns {LintResult} The result of linting.
+ * @private
+ */
+
+
+function verifyText({
+  text,
+  cwd,
+  filePath: providedFilePath,
+  config,
+  fix,
+  allowInlineConfig,
+  reportUnusedDisableDirectives,
+  fileEnumerator,
+  linter
+}) {
+  const filePath = providedFilePath || "<text>";
+  debug("Lint ".concat(filePath));
+  /*
+   * Verify.
+   * `config.extractConfig(filePath)` requires an absolute path, but `linter`
+   * doesn't know CWD, so it gives `linter` an absolute path always.
+   */
+
+  const filePathToVerify = filePath === "<text>" ? path.join(cwd, filePath) : filePath;
+  const {
+    fixed,
+    messages,
+    output
+  } = linter.verifyAndFix(text, config, {
+    allowInlineConfig,
+    filename: filePathToVerify,
+    fix,
+    reportUnusedDisableDirectives,
+
+    /**
+     * Check if the linter should adopt a given code block or not.
+     * @param {string} blockFilename The virtual filename of a code block.
+     * @returns {boolean} `true` if the linter should adopt the code block.
+     */
+    filterCodeBlock(blockFilename) {
+      return fileEnumerator.isTargetPath(blockFilename);
+    }
+
+  }); // Tweak and return.
+
+  const result = _objectSpread({
+    filePath,
+    messages
+  }, calculateStatsPerFile(messages));
+
+  if (fixed) {
+    result.output = output;
+  }
+
+  if (result.errorCount + result.warningCount > 0 && typeof result.output === "undefined") {
+    result.source = text;
+  }
+
+  return result;
+}
+/**
+ * Returns result with warning by ignore settings
+ * @param {string} filePath File path of checked code
+ * @param {string} baseDir  Absolute path of base directory
+ * @returns {LintResult} Result with single warning
+ * @private
+ */
+
+
+function createIgnoreResult(filePath, baseDir) {
+  let message;
+  const isHidden = filePath.split(path.sep).find(segment => /^\./u.test(segment));
+  const isInNodeModules = baseDir && path.relative(baseDir, filePath).startsWith("node_modules");
+
+  if (isHidden) {
+    message = "File ignored by default.  Use a negated ignore pattern (like \"--ignore-pattern '!<relative/path/to/filename>'\") to override.";
+  } else if (isInNodeModules) {
+    message = "File ignored by default. Use \"--ignore-pattern '!node_modules/*'\" to override.";
+  } else {
+    message = "File ignored because of a matching ignore pattern. Use \"--no-ignore\" to override.";
+  }
+
+  return {
+    filePath: path.resolve(filePath),
+    messages: [{
+      fatal: false,
+      severity: 1,
+      message
+    }],
+    errorCount: 0,
+    warningCount: 1,
+    fixableErrorCount: 0,
+    fixableWarningCount: 0
+  };
+}
+/**
+ * Get a rule.
+ * @param {string} ruleId The rule ID to get.
+ * @param {ConfigArray[]} configArrays The config arrays that have plugin rules.
+ * @returns {Rule|null} The rule or null.
+ */
+
+
+function getRule(ruleId, configArrays) {
+  for (const configArray of configArrays) {
+    const rule = configArray.pluginRules.get(ruleId);
+
+    if (rule) {
+      return rule;
+    }
+  }
+
+  return builtInRules.get(ruleId) || null;
+}
+/**
+ * Collect used deprecated rules.
+ * @param {ConfigArray[]} usedConfigArrays The config arrays which were used.
+ * @returns {IterableIterator<DeprecatedRuleInfo>} Used deprecated rules.
+ */
+
+
+function* iterateRuleDeprecationWarnings(usedConfigArrays) {
+  const processedRuleIds = new Set(); // Flatten used configs.
+
+  /** @type {ExtractedConfig[]} */
+
+  const configs = [].concat(...usedConfigArrays.map(getUsedExtractedConfigs)); // Traverse rule configs.
+
+  for (const config of configs) {
+    for (const [ruleId, ruleConfig] of Object.entries(config.rules)) {
+      // Skip if it was processed.
+      if (processedRuleIds.has(ruleId)) {
+        continue;
+      }
+
+      processedRuleIds.add(ruleId); // Skip if it's not used.
+
+      if (!ConfigOps.getRuleSeverity(ruleConfig)) {
+        continue;
+      }
+
+      const rule = getRule(ruleId, usedConfigArrays); // Skip if it's not deprecated.
+
+      if (!(rule && rule.meta && rule.meta.deprecated)) {
+        continue;
+      } // This rule was used and deprecated.
+
+
+      yield {
+        ruleId,
+        replacedBy: rule.meta.replacedBy || []
+      };
+    }
+  }
+}
+/**
+ * Checks if the given message is an error message.
+ * @param {LintMessage} message The message to check.
+ * @returns {boolean} Whether or not the message is an error message.
+ * @private
+ */
+
+
+function isErrorMessage(message) {
+  return message.severity === 2;
+}
+/**
+ * return the cacheFile to be used by eslint, based on whether the provided parameter is
+ * a directory or looks like a directory (ends in `path.sep`), in which case the file
+ * name will be the `cacheFile/.cache_hashOfCWD`
+ *
+ * if cacheFile points to a file or looks like a file then in will just use that file
+ * @param {string} cacheFile The name of file to be used to store the cache
+ * @param {string} cwd Current working directory
+ * @returns {string} the resolved path to the cache file
+ */
+
+
+function getCacheFile(cacheFile, cwd) {
+  /*
+   * make sure the path separators are normalized for the environment/os
+   * keeping the trailing path separator if present
+   */
+  const normalizedCacheFile = path.normalize(cacheFile);
+  const resolvedCacheFile = path.resolve(cwd, normalizedCacheFile);
+  const looksLikeADirectory = normalizedCacheFile.slice(-1) === path.sep;
+  /**
+   * return the name for the cache file in case the provided parameter is a directory
+   * @returns {string} the resolved path to the cacheFile
+   */
+
+  function getCacheFileForDirectory() {
+    return path.join(resolvedCacheFile, ".cache_".concat(hash(cwd)));
+  }
+
+  let fileStats;
+
+  try {
+    fileStats = fs.lstatSync(resolvedCacheFile);
+  } catch (ex) {
+    fileStats = null;
+  }
+  /*
+   * in case the file exists we need to verify if the provided path
+   * is a directory or a file. If it is a directory we want to create a file
+   * inside that directory
+   */
+
+
+  if (fileStats) {
+    /*
+     * is a directory or is a file, but the original file the user provided
+     * looks like a directory but `path.resolve` removed the `last path.sep`
+     * so we need to still treat this like a directory
+     */
+    if (fileStats.isDirectory() || looksLikeADirectory) {
+      return getCacheFileForDirectory();
+    } // is file so just use that file
+
+
+    return resolvedCacheFile;
+  }
+  /*
+   * here we known the file or directory doesn't exist,
+   * so we will try to infer if its a directory if it looks like a directory
+   * for the current operating system.
+   */
+  // if the last character passed is a path separator we assume is a directory
+
+
+  if (looksLikeADirectory) {
+    return getCacheFileForDirectory();
+  }
+
+  return resolvedCacheFile;
+}
+/**
+ * Convert a string array to a boolean map.
+ * @param {string[]|null} keys The keys to assign true.
+ * @param {boolean} defaultValue The default value for each property.
+ * @param {string} displayName The property name which is used in error message.
+ * @returns {Record<string,boolean>} The boolean map.
+ */
+
+
+function toBooleanMap(keys, defaultValue, displayName) {
+  if (keys && !Array.isArray(keys)) {
+    throw new Error("".concat(displayName, " must be an array."));
+  }
+
+  if (keys && keys.length > 0) {
+    return keys.reduce((map, def) => {
+      const [key, value] = def.split(":");
+
+      if (key !== "__proto__") {
+        map[key] = value === void 0 ? defaultValue : value === "true";
+      }
+
+      return map;
+    }, {});
+  }
+
+  return void 0;
+}
+/**
+ * Create a config data from CLI options.
+ * @param {CLIEngineOptions} options The options
+ * @returns {ConfigData|null} The created config data.
+ */
+
+
+function createConfigDataFromOptions(options) {
+  const {
+    ignorePattern,
+    parser,
+    parserOptions,
+    plugins,
+    rules
+  } = options;
+  const env = toBooleanMap(options.envs, true, "envs");
+  const globals = toBooleanMap(options.globals, false, "globals");
+
+  if (env === void 0 && globals === void 0 && (ignorePattern === void 0 || ignorePattern.length === 0) && parser === void 0 && parserOptions === void 0 && plugins === void 0 && rules === void 0) {
+    return null;
+  }
+
+  return {
+    env,
+    globals,
+    ignorePatterns: ignorePattern,
+    parser,
+    parserOptions,
+    plugins,
+    rules
+  };
+}
+/**
+ * Checks whether a directory exists at the given location
+ * @param {string} resolvedPath A path from the CWD
+ * @returns {boolean} `true` if a directory exists
+ */
+
+
+function directoryExists(resolvedPath) {
+  try {
+    return fs.statSync(resolvedPath).isDirectory();
+  } catch (error) {
+    if (error && error.code === "ENOENT") {
+      return false;
+    }
+
+    throw error;
+  }
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+class CLIEngine {
+  /**
+   * Creates a new instance of the core CLI engine.
+   * @param {CLIEngineOptions} providedOptions The options for this instance.
+   */
+  constructor(providedOptions) {
+    const options = Object.assign(Object.create(null), defaultOptions, {
+      cwd: process.cwd()
+    }, providedOptions);
+
+    if (options.fix === void 0) {
+      options.fix = false;
+    }
+
+    const additionalPluginPool = new Map();
+    const cacheFilePath = getCacheFile(options.cacheLocation || options.cacheFile, options.cwd);
+    const configArrayFactory = new CascadingConfigArrayFactory({
+      additionalPluginPool,
+      baseConfig: options.baseConfig || null,
+      cliConfig: createConfigDataFromOptions(options),
+      cwd: options.cwd,
+      ignorePath: options.ignorePath,
+      resolvePluginsRelativeTo: options.resolvePluginsRelativeTo,
+      rulePaths: options.rulePaths,
+      specificConfigPath: options.configFile,
+      useEslintrc: options.useEslintrc
+    });
+    const fileEnumerator = new FileEnumerator({
+      configArrayFactory,
+      cwd: options.cwd,
+      extensions: options.extensions,
+      globInputPaths: options.globInputPaths,
+      errorOnUnmatchedPattern: options.errorOnUnmatchedPattern,
+      ignore: options.ignore
+    });
+    const lintResultCache = options.cache ? new LintResultCache(cacheFilePath) : null;
+    const linter = new Linter({
+      cwd: options.cwd
+    });
+    /** @type {ConfigArray[]} */
+
+    const lastConfigArrays = [configArrayFactory.getConfigArrayForFile()]; // Store private data.
+
+    internalSlotsMap.set(this, {
+      additionalPluginPool,
+      cacheFilePath,
+      configArrayFactory,
+      defaultIgnores: IgnorePattern.createDefaultIgnore(options.cwd),
+      fileEnumerator,
+      lastConfigArrays,
+      lintResultCache,
+      linter,
+      options
+    }); // setup special filter for fixes
+
+    if (options.fix && options.fixTypes && options.fixTypes.length > 0) {
+      debug("Using fix types ".concat(options.fixTypes)); // throw an error if any invalid fix types are found
+
+      validateFixTypes(options.fixTypes); // convert to Set for faster lookup
+
+      const fixTypes = new Set(options.fixTypes); // save original value of options.fix in case it's a function
+
+      const originalFix = typeof options.fix === "function" ? options.fix : () => true;
+
+      options.fix = message => {
+        const rule = message.ruleId && getRule(message.ruleId, lastConfigArrays);
+        const matches = rule && rule.meta && fixTypes.has(rule.meta.type);
+        return matches && originalFix(message);
+      };
+    }
+  }
+
+  getRules() {
+    const {
+      lastConfigArrays
+    } = internalSlotsMap.get(this);
+    return new Map(function* () {
+      yield* builtInRules;
+
+      for (const configArray of lastConfigArrays) {
+        yield* configArray.pluginRules;
+      }
+    }());
+  }
+  /**
+   * Returns results that only contains errors.
+   * @param {LintResult[]} results The results to filter.
+   * @returns {LintResult[]} The filtered results.
+   */
+
+
+  static getErrorResults(results) {
+    const filtered = [];
+    results.forEach(result => {
+      const filteredMessages = result.messages.filter(isErrorMessage);
+
+      if (filteredMessages.length > 0) {
+        filtered.push(_objectSpread({}, result, {
+          messages: filteredMessages,
+          errorCount: filteredMessages.length,
+          warningCount: 0,
+          fixableErrorCount: result.fixableErrorCount,
+          fixableWarningCount: 0
+        }));
+      }
+    });
+    return filtered;
+  }
+  /**
+   * Outputs fixes from the given results to files.
+   * @param {LintReport} report The report object created by CLIEngine.
+   * @returns {void}
+   */
+
+
+  static outputFixes(report) {
+    report.results.filter(result => Object.prototype.hasOwnProperty.call(result, "output")).forEach(result => {
+      fs.writeFileSync(result.filePath, result.output);
+    });
+  }
+  /**
+   * Add a plugin by passing its configuration
+   * @param {string} name Name of the plugin.
+   * @param {Plugin} pluginObject Plugin configuration object.
+   * @returns {void}
+   */
+
+
+  addPlugin(name, pluginObject) {
+    const {
+      additionalPluginPool,
+      configArrayFactory,
+      lastConfigArrays
+    } = internalSlotsMap.get(this);
+    additionalPluginPool.set(name, pluginObject);
+    configArrayFactory.clearCache();
+    lastConfigArrays.length = 1;
+    lastConfigArrays[0] = configArrayFactory.getConfigArrayForFile();
+  }
+  /**
+   * Resolves the patterns passed into executeOnFiles() into glob-based patterns
+   * for easier handling.
+   * @param {string[]} patterns The file patterns passed on the command line.
+   * @returns {string[]} The equivalent glob patterns.
+   */
+
+
+  resolveFileGlobPatterns(patterns) {
+    const {
+      options
+    } = internalSlotsMap.get(this);
+
+    if (options.globInputPaths === false) {
+      return patterns.filter(Boolean);
+    }
+
+    const extensions = (options.extensions || [".js"]).map(ext => ext.replace(/^\./u, ""));
+    const dirSuffix = "/**/*.{".concat(extensions.join(","), "}");
+    return patterns.filter(Boolean).map(pathname => {
+      const resolvedPath = path.resolve(options.cwd, pathname);
+      const newPath = directoryExists(resolvedPath) ? pathname.replace(/[/\\]$/u, "") + dirSuffix : pathname;
+      return path.normalize(newPath).replace(/\\/gu, "/");
+    });
+  }
+  /**
+   * Executes the current configuration on an array of file and directory names.
+   * @param {string[]} patterns An array of file and directory names.
+   * @returns {LintReport} The results for all files that were linted.
+   */
+
+
+  executeOnFiles(patterns) {
+    const {
+      cacheFilePath,
+      fileEnumerator,
+      lastConfigArrays,
+      lintResultCache,
+      linter,
+      options: {
+        allowInlineConfig,
+        cache,
+        cwd,
+        fix,
+        reportUnusedDisableDirectives
+      }
+    } = internalSlotsMap.get(this);
+    const results = [];
+    const startTime = Date.now(); // Clear the last used config arrays.
+
+    lastConfigArrays.length = 0; // Delete cache file; should this do here?
+
+    if (!cache) {
+      try {
+        fs.unlinkSync(cacheFilePath);
+      } catch (error) {
+        const errorCode = error && error.code; // Ignore errors when no such file exists or file system is read only (and cache file does not exist)
+
+        if (errorCode !== "ENOENT" && !(errorCode === "EROFS" && !fs.existsSync(cacheFilePath))) {
+          throw error;
+        }
+      }
+    } // Iterate source code files.
+
+
+    for (const {
+      config,
+      filePath,
+      ignored
+    } of fileEnumerator.iterateFiles(patterns)) {
+      if (ignored) {
+        results.push(createIgnoreResult(filePath, cwd));
+        continue;
+      }
+      /*
+       * Store used configs for:
+       * - this method uses to collect used deprecated rules.
+       * - `getRules()` method uses to collect all loaded rules.
+       * - `--fix-type` option uses to get the loaded rule's meta data.
+       */
+
+
+      if (!lastConfigArrays.includes(config)) {
+        lastConfigArrays.push(config);
+      } // Skip if there is cached result.
+
+
+      if (lintResultCache) {
+        const cachedResult = lintResultCache.getCachedLintResults(filePath, config);
+
+        if (cachedResult) {
+          const hadMessages = cachedResult.messages && cachedResult.messages.length > 0;
+
+          if (hadMessages && fix) {
+            debug("Reprocessing cached file to allow autofix: ".concat(filePath));
+          } else {
+            debug("Skipping file since it hasn't changed: ".concat(filePath));
+            results.push(cachedResult);
+            continue;
+          }
+        }
+      } // Do lint.
+
+
+      const result = verifyText({
+        text: fs.readFileSync(filePath, "utf8"),
+        filePath,
+        config,
+        cwd,
+        fix,
+        allowInlineConfig,
+        reportUnusedDisableDirectives,
+        fileEnumerator,
+        linter
+      });
+      results.push(result);
+      /*
+       * Store the lint result in the LintResultCache.
+       * NOTE: The LintResultCache will remove the file source and any
+       * other properties that are difficult to serialize, and will
+       * hydrate those properties back in on future lint runs.
+       */
+
+      if (lintResultCache) {
+        lintResultCache.setCachedLintResults(filePath, config, result);
+      }
+    } // Persist the cache to disk.
+
+
+    if (lintResultCache) {
+      lintResultCache.reconcile();
+    } // Collect used deprecated rules.
+
+
+    const usedDeprecatedRules = Array.from(iterateRuleDeprecationWarnings(lastConfigArrays));
+    debug("Linting complete in: ".concat(Date.now() - startTime, "ms"));
+    return _objectSpread({
+      results
+    }, calculateStatsPerRun(results), {
+      usedDeprecatedRules
+    });
+  }
+  /**
+   * Executes the current configuration on text.
+   * @param {string} text A string of JavaScript code to lint.
+   * @param {string} [filename] An optional string representing the texts filename.
+   * @param {boolean} [warnIgnored] Always warn when a file is ignored
+   * @returns {LintReport} The results for the linting.
+   */
+
+
+  executeOnText(text, filename, warnIgnored) {
+    const {
+      configArrayFactory,
+      fileEnumerator,
+      lastConfigArrays,
+      linter,
+      options: {
+        allowInlineConfig,
+        cwd,
+        fix,
+        reportUnusedDisableDirectives
+      }
+    } = internalSlotsMap.get(this);
+    const results = [];
+    const startTime = Date.now();
+    const resolvedFilename = filename && path.resolve(cwd, filename); // Clear the last used config arrays.
+
+    lastConfigArrays.length = 0;
+
+    if (resolvedFilename && this.isPathIgnored(resolvedFilename)) {
+      if (warnIgnored) {
+        results.push(createIgnoreResult(resolvedFilename, cwd));
+      }
+    } else {
+      const config = configArrayFactory.getConfigArrayForFile(resolvedFilename || "__placeholder__.js");
+      /*
+       * Store used configs for:
+       * - this method uses to collect used deprecated rules.
+       * - `getRules()` method uses to collect all loaded rules.
+       * - `--fix-type` option uses to get the loaded rule's meta data.
+       */
+
+      lastConfigArrays.push(config); // Do lint.
+
+      results.push(verifyText({
+        text,
+        filePath: resolvedFilename,
+        config,
+        cwd,
+        fix,
+        allowInlineConfig,
+        reportUnusedDisableDirectives,
+        fileEnumerator,
+        linter
+      }));
+    } // Collect used deprecated rules.
+
+
+    const usedDeprecatedRules = Array.from(iterateRuleDeprecationWarnings(lastConfigArrays));
+    debug("Linting complete in: ".concat(Date.now() - startTime, "ms"));
+    return _objectSpread({
+      results
+    }, calculateStatsPerRun(results), {
+      usedDeprecatedRules
+    });
+  }
+  /**
+   * Returns a configuration object for the given file based on the CLI options.
+   * This is the same logic used by the ESLint CLI executable to determine
+   * configuration for each file it processes.
+   * @param {string} filePath The path of the file to retrieve a config object for.
+   * @returns {ConfigData} A configuration object for the file.
+   */
+
+
+  getConfigForFile(filePath) {
+    const {
+      configArrayFactory,
+      options
+    } = internalSlotsMap.get(this);
+    const absolutePath = path.resolve(options.cwd, filePath);
+
+    if (directoryExists(absolutePath)) {
+      throw Object.assign(new Error("'filePath' should not be a directory path."), {
+        messageTemplate: "print-config-with-directory-path"
+      });
+    }
+
+    return configArrayFactory.getConfigArrayForFile(absolutePath).extractConfig(absolutePath).toCompatibleObjectAsConfigFileContent();
+  }
+  /**
+   * Checks if a given path is ignored by ESLint.
+   * @param {string} filePath The path of the file to check.
+   * @returns {boolean} Whether or not the given path is ignored.
+   */
+
+
+  isPathIgnored(filePath) {
+    const {
+      configArrayFactory,
+      defaultIgnores,
+      options: {
+        cwd,
+        ignore
+      }
+    } = internalSlotsMap.get(this);
+    const absolutePath = path.resolve(cwd, filePath);
+
+    if (ignore) {
+      const config = configArrayFactory.getConfigArrayForFile(absolutePath).extractConfig(absolutePath);
+      const ignores = config.ignores || defaultIgnores;
+      return ignores(absolutePath);
+    }
+
+    return defaultIgnores(absolutePath);
+  }
+  /**
+   * Returns the formatter representing the given format or null if no formatter
+   * with the given name can be found.
+   * @param {string} [format] The name of the format to load or the path to a
+   *      custom formatter.
+   * @returns {Function} The formatter function or null if not found.
+   */
+
+
+  getFormatter(format) {
+    // default is stylish
+    const resolvedFormatName = format || "stylish"; // only strings are valid formatters
+
+    if (typeof resolvedFormatName === "string") {
+      // replace \ with / for Windows compatibility
+      const normalizedFormatName = resolvedFormatName.replace(/\\/gu, "/");
+      const slots = internalSlotsMap.get(this);
+      const cwd = slots ? slots.options.cwd : process.cwd();
+      const namespace = naming.getNamespaceFromTerm(normalizedFormatName);
+      let formatterPath; // if there's a slash, then it's a file (TODO: this check seems dubious for scoped npm packages)
+
+      if (!namespace && normalizedFormatName.indexOf("/") > -1) {
+        formatterPath = path.resolve(cwd, normalizedFormatName);
+      } else {
+        try {
+          const npmFormat = naming.normalizePackageName(normalizedFormatName, "eslint-formatter");
+          formatterPath = ModuleResolver.resolve(npmFormat, path.join(cwd, "__placeholder__.js"));
+        } catch (e) {
+          formatterPath = path.resolve(__dirname, "formatters", normalizedFormatName);
+        }
+      }
+
+      try {
+        return __webpack_require__(880)(formatterPath);
+      } catch (ex) {
+        ex.message = "There was a problem loading formatter: ".concat(formatterPath, "\nError: ").concat(ex.message);
+        throw ex;
+      }
+    } else {
+      return null;
+    }
+  }
+
+}
+
+CLIEngine.version = pkg.version;
+CLIEngine.getFormatter = CLIEngine.prototype.getFormatter;
+module.exports = {
+  CLIEngine,
+
+  /**
+   * Get the internal slots of a given CLIEngine instance for tests.
+   * @param {CLIEngine} instance The CLIEngine instance to get.
+   * @returns {CLIEngineInternalSlots} The internal slots.
+   */
+  getCLIEngineInternalSlots(instance) {
+    return internalSlotsMap.get(instance);
+  }
+
+};
+/* WEBPACK VAR INJECTION */}.call(this, "/"))
+
+/***/ }),
+/* 824 */
+/***/ (function(module, exports) {
+
+module.exports = require("fs");
+
+/***/ }),
+/* 825 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Default CLIEngineOptions.
+ * @author Ian VanSchooten
+ */
+
+
+module.exports = {
+  configFile: null,
+  baseConfig: false,
+  rulePaths: [],
+  useEslintrc: true,
+  envs: [],
+  globals: [],
+  extensions: null,
+  ignore: true,
+  ignorePath: void 0,
+  cache: false,
+
+  /*
+   * in order to honor the cacheFile option if specified
+   * this option should not have a default value otherwise
+   * it will always be used
+   */
+  cacheLocation: "",
+  cacheFile: ".eslintcache",
+  fix: false,
+  allowInlineConfig: true,
+  reportUnusedDisableDirectives: void 0,
+  globInputPaths: true
+};
+
+/***/ }),
+/* 826 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Common helpers for naming of plugins, formatters and configs
+ */
+
+
+const NAMESPACE_REGEX = /^@.*\//iu;
+/**
+ * Brings package name to correct format based on prefix
+ * @param {string} name The name of the package.
+ * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter"
+ * @returns {string} Normalized name of the package
+ * @private
+ */
+
+function normalizePackageName(name, prefix) {
+  let normalizedName = name;
+  /**
+   * On Windows, name can come in with Windows slashes instead of Unix slashes.
+   * Normalize to Unix first to avoid errors later on.
+   * https://github.com/eslint/eslint/issues/5644
+   */
+
+  if (normalizedName.includes("\\")) {
+    normalizedName = normalizedName.replace(/\\/gu, "/");
+  }
+
+  if (normalizedName.charAt(0) === "@") {
+    /**
+     * it's a scoped package
+     * package name is the prefix, or just a username
+     */
+    const scopedPackageShortcutRegex = new RegExp("^(@[^/]+)(?:/(?:".concat(prefix, ")?)?$"), "u"),
+          scopedPackageNameRegex = new RegExp("^".concat(prefix, "(-|$)"), "u");
+
+    if (scopedPackageShortcutRegex.test(normalizedName)) {
+      normalizedName = normalizedName.replace(scopedPackageShortcutRegex, "$1/".concat(prefix));
+    } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) {
+      /**
+       * for scoped packages, insert the prefix after the first / unless
+       * the path is already @scope/eslint or @scope/eslint-xxx-yyy
+       */
+      normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, "@$1/".concat(prefix, "-$2"));
+    }
+  } else if (!normalizedName.startsWith("".concat(prefix, "-"))) {
+    normalizedName = "".concat(prefix, "-").concat(normalizedName);
+  }
+
+  return normalizedName;
+}
+/**
+ * Removes the prefix from a fullname.
+ * @param {string} fullname The term which may have the prefix.
+ * @param {string} prefix The prefix to remove.
+ * @returns {string} The term without prefix.
+ */
+
+
+function getShorthandName(fullname, prefix) {
+  if (fullname[0] === "@") {
+    let matchResult = new RegExp("^(@[^/]+)/".concat(prefix, "$"), "u").exec(fullname);
+
+    if (matchResult) {
+      return matchResult[1];
+    }
+
+    matchResult = new RegExp("^(@[^/]+)/".concat(prefix, "-(.+)$"), "u").exec(fullname);
+
+    if (matchResult) {
+      return "".concat(matchResult[1], "/").concat(matchResult[2]);
+    }
+  } else if (fullname.startsWith("".concat(prefix, "-"))) {
+    return fullname.slice(prefix.length + 1);
+  }
+
+  return fullname;
+}
+/**
+ * Gets the scope (namespace) of a term.
+ * @param {string} term The term which may have the namespace.
+ * @returns {string} The namespace of the term if it has one.
+ */
+
+
+function getNamespaceFromTerm(term) {
+  const match = term.match(NAMESPACE_REGEX);
+  return match ? match[0] : "";
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  normalizePackageName,
+  getShorthandName,
+  getNamespaceFromTerm
+};
+
+/***/ }),
+/* 827 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * Utility for resolving a module relative to another module
+ * @author Teddy Katz
+ */
+
+
+const Module = __webpack_require__(828);
+/*
+ * `Module.createRequire` is added in v12.2.0. It supports URL as well.
+ * We only support the case where the argument is a filepath, not a URL.
+ */
+
+
+const createRequire = Module.createRequire || Module.createRequireFromPath;
+module.exports = {
+  /**
+   * Resolves a Node module relative to another module
+   * @param {string} moduleName The name of a Node module, or a path to a Node module.
+   * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be
+   * a file rather than a directory, but the file need not actually exist.
+   * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`
+   */
+  resolve(moduleName, relativeToPath) {
+    try {
+      return createRequire(relativeToPath).resolve(moduleName);
+    } catch (error) {
+      // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.
+      if (typeof error === "object" && error !== null && error.code === "MODULE_NOT_FOUND" && !error.requireStack && error.message.includes(moduleName)) {
+        error.message += "\nRequire stack:\n- ".concat(relativeToPath);
+      }
+
+      throw error;
+    }
+  }
+
+};
+
+/***/ }),
+/* 828 */
+/***/ (function(module, exports) {
+
+module.exports = require("module");
+
+/***/ }),
+/* 829 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const {
+  Linter
+} = __webpack_require__(376);
+
+const interpolate = __webpack_require__(815);
+
+const SourceCodeFixer = __webpack_require__(819);
+
+module.exports = {
+  Linter,
+  // For testers.
+  SourceCodeFixer,
+  interpolate
+};
+
+/***/ }),
+/* 830 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `CascadingConfigArrayFactory` class.
+ *
+ * `CascadingConfigArrayFactory` class has a responsibility:
+ *
+ * 1. Handles cascading of config files.
+ *
+ * It provides two methods:
+ *
+ * - `getConfigArrayForFile(filePath)`
+ *     Get the corresponded configuration of a given file. This method doesn't
+ *     throw even if the given file didn't exist.
+ * - `clearCache()`
+ *     Clear the internal cache. You have to call this method when
+ *     `additionalPluginPool` was updated if `baseConfig` or `cliConfig` depends
+ *     on the additional plugins. (`CLIEngine#addPlugin()` method calls this.)
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const os = __webpack_require__(423);
+
+const path = __webpack_require__(377);
+
+const {
+  validateConfigArray
+} = __webpack_require__(411);
+
+const {
+  emitDeprecationWarning
+} = __webpack_require__(726);
+
+const {
+  ConfigArrayFactory
+} = __webpack_require__(831);
+
+const {
+  ConfigArray,
+  ConfigDependency,
+  IgnorePattern
+} = __webpack_require__(838);
+
+const loadRules = __webpack_require__(881);
+
+const debug = __webpack_require__(416)("eslint:cascading-config-array-factory"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+// Define types for VSCode IntelliSense.
+
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+
+/** @typedef {import("../shared/types").Parser} Parser */
+
+/** @typedef {import("../shared/types").Plugin} Plugin */
+
+/** @typedef {ReturnType<ConfigArrayFactory["create"]>} ConfigArray */
+
+/**
+ * @typedef {Object} CascadingConfigArrayFactoryOptions
+ * @property {Map<string,Plugin>} [additionalPluginPool] The map for additional plugins.
+ * @property {ConfigData} [baseConfig] The config by `baseConfig` option.
+ * @property {ConfigData} [cliConfig] The config by CLI options (`--env`, `--global`, `--ignore-pattern`, `--parser`, `--parser-options`, `--plugin`, and `--rule`). CLI options overwrite the setting in config files.
+ * @property {string} [cwd] The base directory to start lookup.
+ * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.
+ * @property {string[]} [rulePaths] The value of `--rulesdir` option.
+ * @property {string} [specificConfigPath] The value of `--config` option.
+ * @property {boolean} [useEslintrc] if `false` then it doesn't load config files.
+ */
+
+/**
+ * @typedef {Object} CascadingConfigArrayFactoryInternalSlots
+ * @property {ConfigArray} baseConfigArray The config array of `baseConfig` option.
+ * @property {ConfigData} baseConfigData The config data of `baseConfig` option. This is used to reset `baseConfigArray`.
+ * @property {ConfigArray} cliConfigArray The config array of CLI options.
+ * @property {ConfigData} cliConfigData The config data of CLI options. This is used to reset `cliConfigArray`.
+ * @property {ConfigArrayFactory} configArrayFactory The factory for config arrays.
+ * @property {Map<string, ConfigArray>} configCache The cache from directory paths to config arrays.
+ * @property {string} cwd The base directory to start lookup.
+ * @property {WeakMap<ConfigArray, ConfigArray>} finalizeCache The cache from config arrays to finalized config arrays.
+ * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.
+ * @property {string[]|null} rulePaths The value of `--rulesdir` option. This is used to reset `baseConfigArray`.
+ * @property {string|null} specificConfigPath The value of `--config` option. This is used to reset `cliConfigArray`.
+ * @property {boolean} useEslintrc if `false` then it doesn't load config files.
+ */
+
+/** @type {WeakMap<CascadingConfigArrayFactory, CascadingConfigArrayFactoryInternalSlots>} */
+
+
+const internalSlotsMap = new WeakMap();
+/**
+ * Create the config array from `baseConfig` and `rulePaths`.
+ * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.
+ * @returns {ConfigArray} The config array of the base configs.
+ */
+
+function createBaseConfigArray({
+  configArrayFactory,
+  baseConfigData,
+  rulePaths,
+  cwd
+}) {
+  const baseConfigArray = configArrayFactory.create(baseConfigData, {
+    name: "BaseConfig"
+  });
+  /*
+   * Create the config array element for the default ignore patterns.
+   * This element has `ignorePattern` property that ignores the default
+   * patterns in the current working directory.
+   */
+
+  baseConfigArray.unshift(configArrayFactory.create({
+    ignorePatterns: IgnorePattern.DefaultPatterns
+  }, {
+    name: "DefaultIgnorePattern"
+  })[0]);
+  /*
+   * Load rules `--rulesdir` option as a pseudo plugin.
+   * Use a pseudo plugin to define rules of `--rulesdir`, so we can validate
+   * the rule's options with only information in the config array.
+   */
+
+  if (rulePaths && rulePaths.length > 0) {
+    baseConfigArray.push({
+      type: "config",
+      name: "--rulesdir",
+      filePath: "",
+      plugins: {
+        "": new ConfigDependency({
+          definition: {
+            rules: rulePaths.reduce((map, rulesPath) => Object.assign(map, loadRules(rulesPath, cwd)), {})
+          },
+          filePath: "",
+          id: "",
+          importerName: "--rulesdir",
+          importerPath: ""
+        })
+      }
+    });
+  }
+
+  return baseConfigArray;
+}
+/**
+ * Create the config array from CLI options.
+ * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.
+ * @returns {ConfigArray} The config array of the base configs.
+ */
+
+
+function createCLIConfigArray({
+  cliConfigData,
+  configArrayFactory,
+  cwd,
+  ignorePath,
+  specificConfigPath
+}) {
+  const cliConfigArray = configArrayFactory.create(cliConfigData, {
+    name: "CLIOptions"
+  });
+  cliConfigArray.unshift(...(ignorePath ? configArrayFactory.loadESLintIgnore(ignorePath) : configArrayFactory.loadDefaultESLintIgnore()));
+
+  if (specificConfigPath) {
+    cliConfigArray.unshift(...configArrayFactory.loadFile(specificConfigPath, {
+      name: "--config",
+      basePath: cwd
+    }));
+  }
+
+  return cliConfigArray;
+}
+/**
+ * The error type when there are files matched by a glob, but all of them have been ignored.
+ */
+
+
+class ConfigurationNotFoundError extends Error {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} directoryPath The directory path.
+   */
+  constructor(directoryPath) {
+    super("No ESLint configuration found in ".concat(directoryPath, "."));
+    this.messageTemplate = "no-config-found";
+    this.messageData = {
+      directoryPath
+    };
+  }
+
+}
+/**
+ * This class provides the functionality that enumerates every file which is
+ * matched by given glob patterns and that configuration.
+ */
+
+
+class CascadingConfigArrayFactory {
+  /**
+   * Initialize this enumerator.
+   * @param {CascadingConfigArrayFactoryOptions} options The options.
+   */
+  constructor({
+    additionalPluginPool = new Map(),
+    baseConfig: baseConfigData = null,
+    cliConfig: cliConfigData = null,
+    cwd = process.cwd(),
+    ignorePath,
+    resolvePluginsRelativeTo,
+    rulePaths = [],
+    specificConfigPath = null,
+    useEslintrc = true
+  } = {}) {
+    const configArrayFactory = new ConfigArrayFactory({
+      additionalPluginPool,
+      cwd,
+      resolvePluginsRelativeTo
+    });
+    internalSlotsMap.set(this, {
+      baseConfigArray: createBaseConfigArray({
+        baseConfigData,
+        configArrayFactory,
+        cwd,
+        rulePaths
+      }),
+      baseConfigData,
+      cliConfigArray: createCLIConfigArray({
+        cliConfigData,
+        configArrayFactory,
+        cwd,
+        ignorePath,
+        specificConfigPath
+      }),
+      cliConfigData,
+      configArrayFactory,
+      configCache: new Map(),
+      cwd,
+      finalizeCache: new WeakMap(),
+      ignorePath,
+      rulePaths,
+      specificConfigPath,
+      useEslintrc
+    });
+  }
+  /**
+   * The path to the current working directory.
+   * This is used by tests.
+   * @type {string}
+   */
+
+
+  get cwd() {
+    const {
+      cwd
+    } = internalSlotsMap.get(this);
+    return cwd;
+  }
+  /**
+   * Get the config array of a given file.
+   * If `filePath` was not given, it returns the config which contains only
+   * `baseConfigData` and `cliConfigData`.
+   * @param {string} [filePath] The file path to a file.
+   * @param {Object} [options] The options.
+   * @param {boolean} [options.ignoreNotFoundError] If `true` then it doesn't throw `ConfigurationNotFoundError`.
+   * @returns {ConfigArray} The config array of the file.
+   */
+
+
+  getConfigArrayForFile(filePath, {
+    ignoreNotFoundError = false
+  } = {}) {
+    const {
+      baseConfigArray,
+      cliConfigArray,
+      cwd
+    } = internalSlotsMap.get(this);
+
+    if (!filePath) {
+      return new ConfigArray(...baseConfigArray, ...cliConfigArray);
+    }
+
+    const directoryPath = path.dirname(path.resolve(cwd, filePath));
+    debug("Load config files for ".concat(directoryPath, "."));
+    return this._finalizeConfigArray(this._loadConfigInAncestors(directoryPath), directoryPath, ignoreNotFoundError);
+  }
+  /**
+   * Clear config cache.
+   * @returns {void}
+   */
+
+
+  clearCache() {
+    const slots = internalSlotsMap.get(this);
+    slots.baseConfigArray = createBaseConfigArray(slots);
+    slots.cliConfigArray = createCLIConfigArray(slots);
+    slots.configCache.clear();
+  }
+  /**
+   * Load and normalize config files from the ancestor directories.
+   * @param {string} directoryPath The path to a leaf directory.
+   * @param {boolean} configsExistInSubdirs `true` if configurations exist in subdirectories.
+   * @returns {ConfigArray} The loaded config.
+   * @private
+   */
+
+
+  _loadConfigInAncestors(directoryPath, configsExistInSubdirs = false) {
+    const {
+      baseConfigArray,
+      configArrayFactory,
+      configCache,
+      cwd,
+      useEslintrc
+    } = internalSlotsMap.get(this);
+
+    if (!useEslintrc) {
+      return baseConfigArray;
+    }
+
+    let configArray = configCache.get(directoryPath); // Hit cache.
+
+    if (configArray) {
+      debug("Cache hit: ".concat(directoryPath, "."));
+      return configArray;
+    }
+
+    debug("No cache found: ".concat(directoryPath, "."));
+    const homePath = os.homedir(); // Consider this is root.
+
+    if (directoryPath === homePath && cwd !== homePath) {
+      debug("Stop traversing because of considered root.");
+
+      if (configsExistInSubdirs) {
+        const filePath = ConfigArrayFactory.getPathToConfigFileInDirectory(directoryPath);
+
+        if (filePath) {
+          emitDeprecationWarning(filePath, "ESLINT_PERSONAL_CONFIG_SUPPRESS");
+        }
+      }
+
+      return this._cacheConfig(directoryPath, baseConfigArray);
+    } // Load the config on this directory.
+
+
+    try {
+      configArray = configArrayFactory.loadInDirectory(directoryPath);
+    } catch (error) {
+      /* istanbul ignore next */
+      if (error.code === "EACCES") {
+        debug("Stop traversing because of 'EACCES' error.");
+        return this._cacheConfig(directoryPath, baseConfigArray);
+      }
+
+      throw error;
+    }
+
+    if (configArray.length > 0 && configArray.isRoot()) {
+      debug("Stop traversing because of 'root:true'.");
+      configArray.unshift(...baseConfigArray);
+      return this._cacheConfig(directoryPath, configArray);
+    } // Load from the ancestors and merge it.
+
+
+    const parentPath = path.dirname(directoryPath);
+    const parentConfigArray = parentPath && parentPath !== directoryPath ? this._loadConfigInAncestors(parentPath, configsExistInSubdirs || configArray.length > 0) : baseConfigArray;
+
+    if (configArray.length > 0) {
+      configArray.unshift(...parentConfigArray);
+    } else {
+      configArray = parentConfigArray;
+    } // Cache and return.
+
+
+    return this._cacheConfig(directoryPath, configArray);
+  }
+  /**
+   * Freeze and cache a given config.
+   * @param {string} directoryPath The path to a directory as a cache key.
+   * @param {ConfigArray} configArray The config array as a cache value.
+   * @returns {ConfigArray} The `configArray` (frozen).
+   */
+
+
+  _cacheConfig(directoryPath, configArray) {
+    const {
+      configCache
+    } = internalSlotsMap.get(this);
+    Object.freeze(configArray);
+    configCache.set(directoryPath, configArray);
+    return configArray;
+  }
+  /**
+   * Finalize a given config array.
+   * Concatenate `--config` and other CLI options.
+   * @param {ConfigArray} configArray The parent config array.
+   * @param {string} directoryPath The path to the leaf directory to find config files.
+   * @param {boolean} ignoreNotFoundError If `true` then it doesn't throw `ConfigurationNotFoundError`.
+   * @returns {ConfigArray} The loaded config.
+   * @private
+   */
+
+
+  _finalizeConfigArray(configArray, directoryPath, ignoreNotFoundError) {
+    const {
+      cliConfigArray,
+      configArrayFactory,
+      finalizeCache,
+      useEslintrc
+    } = internalSlotsMap.get(this);
+    let finalConfigArray = finalizeCache.get(configArray);
+
+    if (!finalConfigArray) {
+      finalConfigArray = configArray; // Load the personal config if there are no regular config files.
+
+      if (useEslintrc && configArray.every(c => !c.filePath) && cliConfigArray.every(c => !c.filePath) // `--config` option can be a file.
+      ) {
+          const homePath = os.homedir();
+          debug("Loading the config file of the home directory:", homePath);
+          const personalConfigArray = configArrayFactory.loadInDirectory(homePath, {
+            name: "PersonalConfig"
+          });
+
+          if (personalConfigArray.length > 0 && !directoryPath.startsWith(homePath)) {
+            const lastElement = personalConfigArray[personalConfigArray.length - 1];
+            emitDeprecationWarning(lastElement.filePath, "ESLINT_PERSONAL_CONFIG_LOAD");
+          }
+
+          finalConfigArray = finalConfigArray.concat(personalConfigArray);
+        } // Apply CLI options.
+
+
+      if (cliConfigArray.length > 0) {
+        finalConfigArray = finalConfigArray.concat(cliConfigArray);
+      } // Validate rule settings and environments.
+
+
+      validateConfigArray(finalConfigArray); // Cache it.
+
+      Object.freeze(finalConfigArray);
+      finalizeCache.set(configArray, finalConfigArray);
+      debug("Configuration was determined: %o on %s", finalConfigArray, directoryPath);
+    } // At least one element (the default ignore patterns) exists.
+
+
+    if (!ignoreNotFoundError && useEslintrc && finalConfigArray.length <= 1) {
+      throw new ConfigurationNotFoundError(directoryPath);
+    }
+
+    return finalConfigArray;
+  }
+
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  CascadingConfigArrayFactory
+};
+
+/***/ }),
+/* 831 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(__dirname) {/**
+ * @fileoverview The factory of `ConfigArray` objects.
+ *
+ * This class provides methods to create `ConfigArray` instance.
+ *
+ * - `create(configData, options)`
+ *     Create a `ConfigArray` instance from a config data. This is to handle CLI
+ *     options except `--config`.
+ * - `loadFile(filePath, options)`
+ *     Create a `ConfigArray` instance from a config file. This is to handle
+ *     `--config` option. If the file was not found, throws the following error:
+ *      - If the filename was `*.js`, a `MODULE_NOT_FOUND` error.
+ *      - If the filename was `package.json`, an IO error or an
+ *        `ESLINT_CONFIG_FIELD_NOT_FOUND` error.
+ *      - Otherwise, an IO error such as `ENOENT`.
+ * - `loadInDirectory(directoryPath, options)`
+ *     Create a `ConfigArray` instance from a config file which is on a given
+ *     directory. This tries to load `.eslintrc.*` or `package.json`. If not
+ *     found, returns an empty `ConfigArray`.
+ * - `loadESLintIgnore(filePath)`
+ *     Create a `ConfigArray` instance from a config file that is `.eslintignore`
+ *     format. This is to handle `--ignore-path` option.
+ * - `loadDefaultESLintIgnore()`
+ *     Create a `ConfigArray` instance from `.eslintignore` or `package.json` in
+ *     the current working directory.
+ *
+ * `ConfigArrayFactory` class has the responsibility that loads configuration
+ * files, including loading `extends`, `parser`, and `plugins`. The created
+ * `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`.
+ *
+ * But this class doesn't handle cascading. `CascadingConfigArrayFactory` class
+ * handles cascading and hierarchy.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
+const fs = __webpack_require__(824);
+
+const path = __webpack_require__(377);
+
+const importFresh = __webpack_require__(832);
+
+const stripComments = __webpack_require__(837);
+
+const {
+  validateConfigSchema
+} = __webpack_require__(411);
+
+const naming = __webpack_require__(826);
+
+const ModuleResolver = __webpack_require__(827);
+
+const {
+  ConfigArray,
+  ConfigDependency,
+  IgnorePattern,
+  OverrideTester
+} = __webpack_require__(838);
+
+const debug = __webpack_require__(416)("eslint:config-array-factory"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const eslintRecommendedPath = path.resolve(__dirname, "../../conf/eslint-recommended.js");
+const eslintAllPath = path.resolve(__dirname, "../../conf/eslint-all.js");
+const configFilenames = [".eslintrc.js", ".eslintrc.cjs", ".eslintrc.yaml", ".eslintrc.yml", ".eslintrc.json", ".eslintrc", "package.json"]; // Define types for VSCode IntelliSense.
+
+/** @typedef {import("../shared/types").ConfigData} ConfigData */
+
+/** @typedef {import("../shared/types").OverrideConfigData} OverrideConfigData */
+
+/** @typedef {import("../shared/types").Parser} Parser */
+
+/** @typedef {import("../shared/types").Plugin} Plugin */
+
+/** @typedef {import("./config-array/config-dependency").DependentParser} DependentParser */
+
+/** @typedef {import("./config-array/config-dependency").DependentPlugin} DependentPlugin */
+
+/** @typedef {ConfigArray[0]} ConfigArrayElement */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryOptions
+ * @property {Map<string,Plugin>} [additionalPluginPool] The map for additional plugins.
+ * @property {string} [cwd] The path to the current working directory.
+ * @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryInternalSlots
+ * @property {Map<string,Plugin>} additionalPluginPool The map for additional plugins.
+ * @property {string} cwd The path to the current working directory.
+ * @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryLoadingContext
+ * @property {string} filePath The path to the current configuration.
+ * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+ * @property {string} name The name of the current configuration.
+ * @property {string} pluginBasePath The base path to resolve plugins.
+ * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayFactoryLoadingContext
+ * @property {string} filePath The path to the current configuration.
+ * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+ * @property {string} name The name of the current configuration.
+ * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors.
+ */
+
+/** @type {WeakMap<ConfigArrayFactory, ConfigArrayFactoryInternalSlots>} */
+
+const internalSlotsMap = new WeakMap();
+/**
+ * Check if a given string is a file path.
+ * @param {string} nameOrPath A module name or file path.
+ * @returns {boolean} `true` if the `nameOrPath` is a file path.
+ */
+
+function isFilePath(nameOrPath) {
+  return /^\.{1,2}[/\\]/u.test(nameOrPath) || path.isAbsolute(nameOrPath);
+}
+/**
+ * Convenience wrapper for synchronously reading file contents.
+ * @param {string} filePath The filename to read.
+ * @returns {string} The file contents, with the BOM removed.
+ * @private
+ */
+
+
+function readFile(filePath) {
+  return fs.readFileSync(filePath, "utf8").replace(/^\ufeff/u, "");
+}
+/**
+ * Loads a YAML configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+
+
+function loadYAMLConfigFile(filePath) {
+  debug("Loading YAML config file: ".concat(filePath)); // lazy load YAML to improve performance when not used
+
+  const yaml = __webpack_require__(848);
+
+  try {
+    // empty YAML file can be null, so always use
+    return yaml.safeLoad(readFile(filePath)) || {};
+  } catch (e) {
+    debug("Error reading YAML file: ".concat(filePath));
+    e.message = "Cannot read config file: ".concat(filePath, "\nError: ").concat(e.message);
+    throw e;
+  }
+}
+/**
+ * Loads a JSON configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+
+
+function loadJSONConfigFile(filePath) {
+  debug("Loading JSON config file: ".concat(filePath));
+
+  try {
+    return JSON.parse(stripComments(readFile(filePath)));
+  } catch (e) {
+    debug("Error reading JSON file: ".concat(filePath));
+    e.message = "Cannot read config file: ".concat(filePath, "\nError: ").concat(e.message);
+    e.messageTemplate = "failed-to-read-json";
+    e.messageData = {
+      path: filePath,
+      message: e.message
+    };
+    throw e;
+  }
+}
+/**
+ * Loads a legacy (.eslintrc) configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+
+
+function loadLegacyConfigFile(filePath) {
+  debug("Loading legacy config file: ".concat(filePath)); // lazy load YAML to improve performance when not used
+
+  const yaml = __webpack_require__(848);
+
+  try {
+    return yaml.safeLoad(stripComments(readFile(filePath))) ||
+    /* istanbul ignore next */
+    {};
+  } catch (e) {
+    debug("Error reading YAML file: %s\n%o", filePath, e);
+    e.message = "Cannot read config file: ".concat(filePath, "\nError: ").concat(e.message);
+    throw e;
+  }
+}
+/**
+ * Loads a JavaScript configuration from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+
+
+function loadJSConfigFile(filePath) {
+  debug("Loading JS config file: ".concat(filePath));
+
+  try {
+    return importFresh(filePath);
+  } catch (e) {
+    debug("Error reading JavaScript file: ".concat(filePath));
+    e.message = "Cannot read config file: ".concat(filePath, "\nError: ").concat(e.message);
+    throw e;
+  }
+}
+/**
+ * Loads a configuration from a package.json file.
+ * @param {string} filePath The filename to load.
+ * @returns {ConfigData} The configuration object from the file.
+ * @throws {Error} If the file cannot be read.
+ * @private
+ */
+
+
+function loadPackageJSONConfigFile(filePath) {
+  debug("Loading package.json config file: ".concat(filePath));
+
+  try {
+    const packageData = loadJSONConfigFile(filePath);
+
+    if (!Object.hasOwnProperty.call(packageData, "eslintConfig")) {
+      throw Object.assign(new Error("package.json file doesn't have 'eslintConfig' field."), {
+        code: "ESLINT_CONFIG_FIELD_NOT_FOUND"
+      });
+    }
+
+    return packageData.eslintConfig;
+  } catch (e) {
+    debug("Error reading package.json file: ".concat(filePath));
+    e.message = "Cannot read config file: ".concat(filePath, "\nError: ").concat(e.message);
+    throw e;
+  }
+}
+/**
+ * Loads a `.eslintignore` from a file.
+ * @param {string} filePath The filename to load.
+ * @returns {string[]} The ignore patterns from the file.
+ * @private
+ */
+
+
+function loadESLintIgnoreFile(filePath) {
+  debug("Loading .eslintignore file: ".concat(filePath));
+
+  try {
+    return readFile(filePath).split(/\r?\n/gu).filter(line => line.trim() !== "" && !line.startsWith("#"));
+  } catch (e) {
+    debug("Error reading .eslintignore file: ".concat(filePath));
+    e.message = "Cannot read .eslintignore file: ".concat(filePath, "\nError: ").concat(e.message);
+    throw e;
+  }
+}
+/**
+ * Creates an error to notify about a missing config to extend from.
+ * @param {string} configName The name of the missing config.
+ * @param {string} importerName The name of the config that imported the missing config
+ * @returns {Error} The error object to throw
+ * @private
+ */
+
+
+function configMissingError(configName, importerName) {
+  return Object.assign(new Error("Failed to load config \"".concat(configName, "\" to extend from.")), {
+    messageTemplate: "extend-config-missing",
+    messageData: {
+      configName,
+      importerName
+    }
+  });
+}
+/**
+ * Loads a configuration file regardless of the source. Inspects the file path
+ * to determine the correctly way to load the config file.
+ * @param {string} filePath The path to the configuration.
+ * @returns {ConfigData|null} The configuration information.
+ * @private
+ */
+
+
+function loadConfigFile(filePath) {
+  switch (path.extname(filePath)) {
+    case ".js":
+    case ".cjs":
+      return loadJSConfigFile(filePath);
+
+    case ".json":
+      if (path.basename(filePath) === "package.json") {
+        return loadPackageJSONConfigFile(filePath);
+      }
+
+      return loadJSONConfigFile(filePath);
+
+    case ".yaml":
+    case ".yml":
+      return loadYAMLConfigFile(filePath);
+
+    default:
+      return loadLegacyConfigFile(filePath);
+  }
+}
+/**
+ * Write debug log.
+ * @param {string} request The requested module name.
+ * @param {string} relativeTo The file path to resolve the request relative to.
+ * @param {string} filePath The resolved file path.
+ * @returns {void}
+ */
+
+
+function writeDebugLogForLoading(request, relativeTo, filePath) {
+  /* istanbul ignore next */
+  if (debug.enabled) {
+    let nameAndVersion = null;
+
+    try {
+      const packageJsonPath = ModuleResolver.resolve("".concat(request, "/package.json"), relativeTo);
+
+      const {
+        version = "unknown"
+      } = __webpack_require__(880)(packageJsonPath);
+
+      nameAndVersion = "".concat(request, "@").concat(version);
+    } catch (error) {
+      debug("package.json was not found:", error.message);
+      nameAndVersion = request;
+    }
+
+    debug("Loaded: %s (%s)", nameAndVersion, filePath);
+  }
+}
+/**
+ * Create a new context with default values.
+ * @param {ConfigArrayFactoryInternalSlots} slots The internal slots.
+ * @param {"config" | "ignore" | "implicit-processor" | undefined} providedType The type of the current configuration. Default is `"config"`.
+ * @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`.
+ * @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string.
+ * @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`.
+ * @returns {ConfigArrayFactoryLoadingContext} The created context.
+ */
+
+
+function createContext({
+  cwd,
+  resolvePluginsRelativeTo
+}, providedType, providedName, providedFilePath, providedMatchBasePath) {
+  const filePath = providedFilePath ? path.resolve(cwd, providedFilePath) : "";
+  const matchBasePath = providedMatchBasePath && path.resolve(cwd, providedMatchBasePath) || filePath && path.dirname(filePath) || cwd;
+  const name = providedName || filePath && path.relative(cwd, filePath) || "";
+  const pluginBasePath = resolvePluginsRelativeTo || filePath && path.dirname(filePath) || cwd;
+  const type = providedType || "config";
+  return {
+    filePath,
+    matchBasePath,
+    name,
+    pluginBasePath,
+    type
+  };
+}
+/**
+ * Normalize a given plugin.
+ * - Ensure the object to have four properties: configs, environments, processors, and rules.
+ * - Ensure the object to not have other properties.
+ * @param {Plugin} plugin The plugin to normalize.
+ * @returns {Plugin} The normalized plugin.
+ */
+
+
+function normalizePlugin(plugin) {
+  return {
+    configs: plugin.configs || {},
+    environments: plugin.environments || {},
+    processors: plugin.processors || {},
+    rules: plugin.rules || {}
+  };
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The factory of `ConfigArray` objects.
+ */
+
+
+class ConfigArrayFactory {
+  /**
+   * Initialize this instance.
+   * @param {ConfigArrayFactoryOptions} [options] The map for additional plugins.
+   */
+  constructor({
+    additionalPluginPool = new Map(),
+    cwd = process.cwd(),
+    resolvePluginsRelativeTo
+  } = {}) {
+    internalSlotsMap.set(this, {
+      additionalPluginPool,
+      cwd,
+      resolvePluginsRelativeTo: resolvePluginsRelativeTo && path.resolve(cwd, resolvePluginsRelativeTo)
+    });
+  }
+  /**
+   * Create `ConfigArray` instance from a config data.
+   * @param {ConfigData|null} configData The config data to create.
+   * @param {Object} [options] The options.
+   * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+   * @param {string} [options.filePath] The path to this config data.
+   * @param {string} [options.name] The config name.
+   * @returns {ConfigArray} Loaded config.
+   */
+
+
+  create(configData, {
+    basePath,
+    filePath,
+    name
+  } = {}) {
+    if (!configData) {
+      return new ConfigArray();
+    }
+
+    const slots = internalSlotsMap.get(this);
+    const ctx = createContext(slots, "config", name, filePath, basePath);
+
+    const elements = this._normalizeConfigData(configData, ctx);
+
+    return new ConfigArray(...elements);
+  }
+  /**
+   * Load a config file.
+   * @param {string} filePath The path to a config file.
+   * @param {Object} [options] The options.
+   * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+   * @param {string} [options.name] The config name.
+   * @returns {ConfigArray} Loaded config.
+   */
+
+
+  loadFile(filePath, {
+    basePath,
+    name
+  } = {}) {
+    const slots = internalSlotsMap.get(this);
+    const ctx = createContext(slots, "config", name, filePath, basePath);
+    return new ConfigArray(...this._loadConfigData(ctx));
+  }
+  /**
+   * Load the config file on a given directory if exists.
+   * @param {string} directoryPath The path to a directory.
+   * @param {Object} [options] The options.
+   * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.
+   * @param {string} [options.name] The config name.
+   * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+   */
+
+
+  loadInDirectory(directoryPath, {
+    basePath,
+    name
+  } = {}) {
+    const slots = internalSlotsMap.get(this);
+
+    for (const filename of configFilenames) {
+      const ctx = createContext(slots, "config", name, path.join(directoryPath, filename), basePath);
+
+      if (fs.existsSync(ctx.filePath)) {
+        let configData;
+
+        try {
+          configData = loadConfigFile(ctx.filePath);
+        } catch (error) {
+          if (!error || error.code !== "ESLINT_CONFIG_FIELD_NOT_FOUND") {
+            throw error;
+          }
+        }
+
+        if (configData) {
+          debug("Config file found: ".concat(ctx.filePath));
+          return new ConfigArray(...this._normalizeConfigData(configData, ctx));
+        }
+      }
+    }
+
+    debug("Config file not found on ".concat(directoryPath));
+    return new ConfigArray();
+  }
+  /**
+   * Check if a config file on a given directory exists or not.
+   * @param {string} directoryPath The path to a directory.
+   * @returns {string | null} The path to the found config file. If not found then null.
+   */
+
+
+  static getPathToConfigFileInDirectory(directoryPath) {
+    for (const filename of configFilenames) {
+      const filePath = path.join(directoryPath, filename);
+
+      if (fs.existsSync(filePath)) {
+        if (filename === "package.json") {
+          try {
+            loadPackageJSONConfigFile(filePath);
+            return filePath;
+          } catch (error) {
+            /* ignore */
+          }
+        } else {
+          return filePath;
+        }
+      }
+    }
+
+    return null;
+  }
+  /**
+   * Load `.eslintignore` file.
+   * @param {string} filePath The path to a `.eslintignore` file to load.
+   * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+   */
+
+
+  loadESLintIgnore(filePath) {
+    const slots = internalSlotsMap.get(this);
+    const ctx = createContext(slots, "ignore", void 0, filePath, slots.cwd);
+    const ignorePatterns = loadESLintIgnoreFile(ctx.filePath);
+    return new ConfigArray(...this._normalizeESLintIgnoreData(ignorePatterns, ctx));
+  }
+  /**
+   * Load `.eslintignore` file in the current working directory.
+   * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.
+   */
+
+
+  loadDefaultESLintIgnore() {
+    const slots = internalSlotsMap.get(this);
+    const eslintIgnorePath = path.resolve(slots.cwd, ".eslintignore");
+    const packageJsonPath = path.resolve(slots.cwd, "package.json");
+
+    if (fs.existsSync(eslintIgnorePath)) {
+      return this.loadESLintIgnore(eslintIgnorePath);
+    }
+
+    if (fs.existsSync(packageJsonPath)) {
+      const data = loadJSONConfigFile(packageJsonPath);
+
+      if (Object.hasOwnProperty.call(data, "eslintIgnore")) {
+        if (!Array.isArray(data.eslintIgnore)) {
+          throw new Error("Package.json eslintIgnore property requires an array of paths");
+        }
+
+        const ctx = createContext(slots, "ignore", "eslintIgnore in package.json", packageJsonPath, slots.cwd);
+        return new ConfigArray(...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx));
+      }
+    }
+
+    return new ConfigArray();
+  }
+  /**
+   * Load a given config file.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} Loaded config.
+   * @private
+   */
+
+
+  _loadConfigData(ctx) {
+    return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx);
+  }
+  /**
+   * Normalize a given `.eslintignore` data to config array elements.
+   * @param {string[]} ignorePatterns The patterns to ignore files.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  *_normalizeESLintIgnoreData(ignorePatterns, ctx) {
+    const elements = this._normalizeObjectConfigData({
+      ignorePatterns
+    }, ctx); // Set `ignorePattern.loose` flag for backward compatibility.
+
+
+    for (const element of elements) {
+      if (element.ignorePattern) {
+        element.ignorePattern.loose = true;
+      }
+
+      yield element;
+    }
+  }
+  /**
+   * Normalize a given config to an array.
+   * @param {ConfigData} configData The config data to normalize.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  _normalizeConfigData(configData, ctx) {
+    validateConfigSchema(configData, ctx.name || ctx.filePath);
+    return this._normalizeObjectConfigData(configData, ctx);
+  }
+  /**
+   * Normalize a given config to an array.
+   * @param {ConfigData|OverrideConfigData} configData The config data to normalize.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  *_normalizeObjectConfigData(configData, ctx) {
+    const {
+      files,
+      excludedFiles
+    } = configData,
+          configBody = _objectWithoutProperties(configData, ["files", "excludedFiles"]);
+
+    const criteria = OverrideTester.create(files, excludedFiles, ctx.matchBasePath);
+
+    const elements = this._normalizeObjectConfigDataBody(configBody, ctx); // Apply the criteria to every element.
+
+
+    for (const element of elements) {
+      /*
+       * Merge the criteria.
+       * This is for the `overrides` entries that came from the
+       * configurations of `overrides[].extends`.
+       */
+      element.criteria = OverrideTester.and(criteria, element.criteria);
+      /*
+       * Remove `root` property to ignore `root` settings which came from
+       * `extends` in `overrides`.
+       */
+
+      if (element.criteria) {
+        element.root = void 0;
+      }
+
+      yield element;
+    }
+  }
+  /**
+   * Normalize a given config to an array.
+   * @param {ConfigData} configData The config data to normalize.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  *_normalizeObjectConfigDataBody({
+    env,
+    extends: extend,
+    globals,
+    ignorePatterns,
+    noInlineConfig,
+    parser: parserName,
+    parserOptions,
+    plugins: pluginList,
+    processor,
+    reportUnusedDisableDirectives,
+    root,
+    rules,
+    settings,
+    overrides: overrideList = []
+  }, ctx) {
+    const extendList = Array.isArray(extend) ? extend : [extend];
+    const ignorePattern = ignorePatterns && new IgnorePattern(Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns], ctx.matchBasePath); // Flatten `extends`.
+
+    for (const extendName of extendList.filter(Boolean)) {
+      yield* this._loadExtends(extendName, ctx);
+    } // Load parser & plugins.
+
+
+    const parser = parserName && this._loadParser(parserName, ctx);
+
+    const plugins = pluginList && this._loadPlugins(pluginList, ctx); // Yield pseudo config data for file extension processors.
+
+
+    if (plugins) {
+      yield* this._takeFileExtensionProcessors(plugins, ctx);
+    } // Yield the config data except `extends` and `overrides`.
+
+
+    yield {
+      // Debug information.
+      type: ctx.type,
+      name: ctx.name,
+      filePath: ctx.filePath,
+      // Config data.
+      criteria: null,
+      env,
+      globals,
+      ignorePattern,
+      noInlineConfig,
+      parser,
+      parserOptions,
+      plugins,
+      processor,
+      reportUnusedDisableDirectives,
+      root,
+      rules,
+      settings
+    }; // Flatten `overries`.
+
+    for (let i = 0; i < overrideList.length; ++i) {
+      yield* this._normalizeObjectConfigData(overrideList[i], _objectSpread({}, ctx, {
+        name: "".concat(ctx.name, "#overrides[").concat(i, "]")
+      }));
+    }
+  }
+  /**
+   * Load configs of an element in `extends`.
+   * @param {string} extendName The name of a base config.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  _loadExtends(extendName, ctx) {
+    debug("Loading {extends:%j} relative to %s", extendName, ctx.filePath);
+
+    try {
+      if (extendName.startsWith("eslint:")) {
+        return this._loadExtendedBuiltInConfig(extendName, ctx);
+      }
+
+      if (extendName.startsWith("plugin:")) {
+        return this._loadExtendedPluginConfig(extendName, ctx);
+      }
+
+      return this._loadExtendedShareableConfig(extendName, ctx);
+    } catch (error) {
+      error.message += "\nReferenced from: ".concat(ctx.filePath || ctx.name);
+      throw error;
+    }
+  }
+  /**
+   * Load configs of an element in `extends`.
+   * @param {string} extendName The name of a base config.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  _loadExtendedBuiltInConfig(extendName, ctx) {
+    if (extendName === "eslint:recommended") {
+      return this._loadConfigData(_objectSpread({}, ctx, {
+        filePath: eslintRecommendedPath,
+        name: "".concat(ctx.name, " \xBB ").concat(extendName)
+      }));
+    }
+
+    if (extendName === "eslint:all") {
+      return this._loadConfigData(_objectSpread({}, ctx, {
+        filePath: eslintAllPath,
+        name: "".concat(ctx.name, " \xBB ").concat(extendName)
+      }));
+    }
+
+    throw configMissingError(extendName, ctx.name);
+  }
+  /**
+   * Load configs of an element in `extends`.
+   * @param {string} extendName The name of a base config.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  _loadExtendedPluginConfig(extendName, ctx) {
+    const slashIndex = extendName.lastIndexOf("/");
+    const pluginName = extendName.slice("plugin:".length, slashIndex);
+    const configName = extendName.slice(slashIndex + 1);
+
+    if (isFilePath(pluginName)) {
+      throw new Error("'extends' cannot use a file path for plugins.");
+    }
+
+    const plugin = this._loadPlugin(pluginName, ctx);
+
+    const configData = plugin.definition && plugin.definition.configs[configName];
+
+    if (configData) {
+      return this._normalizeConfigData(configData, _objectSpread({}, ctx, {
+        filePath: plugin.filePath,
+        name: "".concat(ctx.name, " \xBB plugin:").concat(plugin.id, "/").concat(configName)
+      }));
+    }
+
+    throw plugin.error || configMissingError(extendName, ctx.filePath);
+  }
+  /**
+   * Load configs of an element in `extends`.
+   * @param {string} extendName The name of a base config.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The normalized config.
+   * @private
+   */
+
+
+  _loadExtendedShareableConfig(extendName, ctx) {
+    const {
+      cwd
+    } = internalSlotsMap.get(this);
+    const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
+    let request;
+
+    if (isFilePath(extendName)) {
+      request = extendName;
+    } else if (extendName.startsWith(".")) {
+      request = "./".concat(extendName); // For backward compatibility. A ton of tests depended on this behavior.
+    } else {
+      request = naming.normalizePackageName(extendName, "eslint-config");
+    }
+
+    let filePath;
+
+    try {
+      filePath = ModuleResolver.resolve(request, relativeTo);
+    } catch (error) {
+      /* istanbul ignore else */
+      if (error && error.code === "MODULE_NOT_FOUND") {
+        throw configMissingError(extendName, ctx.filePath);
+      }
+
+      throw error;
+    }
+
+    writeDebugLogForLoading(request, relativeTo, filePath);
+    return this._loadConfigData(_objectSpread({}, ctx, {
+      filePath,
+      name: "".concat(ctx.name, " \xBB ").concat(request)
+    }));
+  }
+  /**
+   * Load given plugins.
+   * @param {string[]} names The plugin names to load.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {Record<string,DependentPlugin>} The loaded parser.
+   * @private
+   */
+
+
+  _loadPlugins(names, ctx) {
+    return names.reduce((map, name) => {
+      if (isFilePath(name)) {
+        throw new Error("Plugins array cannot includes file paths.");
+      }
+
+      const plugin = this._loadPlugin(name, ctx);
+
+      map[plugin.id] = plugin;
+      return map;
+    }, {});
+  }
+  /**
+   * Load a given parser.
+   * @param {string} nameOrPath The package name or the path to a parser file.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {DependentParser} The loaded parser.
+   */
+
+
+  _loadParser(nameOrPath, ctx) {
+    debug("Loading parser %j from %s", nameOrPath, ctx.filePath);
+    const {
+      cwd
+    } = internalSlotsMap.get(this);
+    const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js");
+
+    try {
+      const filePath = ModuleResolver.resolve(nameOrPath, relativeTo);
+      writeDebugLogForLoading(nameOrPath, relativeTo, filePath);
+      return new ConfigDependency({
+        definition: __webpack_require__(880)(filePath),
+        filePath,
+        id: nameOrPath,
+        importerName: ctx.name,
+        importerPath: ctx.filePath
+      });
+    } catch (error) {
+      // If the parser name is "espree", load the espree of ESLint.
+      if (nameOrPath === "espree") {
+        debug("Fallback espree.");
+        return new ConfigDependency({
+          definition: __webpack_require__(394),
+          filePath: /*require.resolve*/(394),
+          id: nameOrPath,
+          importerName: ctx.name,
+          importerPath: ctx.filePath
+        });
+      }
+
+      debug("Failed to load parser '%s' declared in '%s'.", nameOrPath, ctx.name);
+      error.message = "Failed to load parser '".concat(nameOrPath, "' declared in '").concat(ctx.name, "': ").concat(error.message);
+      return new ConfigDependency({
+        error,
+        id: nameOrPath,
+        importerName: ctx.name,
+        importerPath: ctx.filePath
+      });
+    }
+  }
+  /**
+   * Load a given plugin.
+   * @param {string} name The plugin name to load.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {DependentPlugin} The loaded plugin.
+   * @private
+   */
+
+
+  _loadPlugin(name, ctx) {
+    debug("Loading plugin %j from %s", name, ctx.filePath);
+    const {
+      additionalPluginPool
+    } = internalSlotsMap.get(this);
+    const request = naming.normalizePackageName(name, "eslint-plugin");
+    const id = naming.getShorthandName(request, "eslint-plugin");
+    const relativeTo = path.join(ctx.pluginBasePath, "__placeholder__.js");
+
+    if (name.match(/\s+/u)) {
+      const error = Object.assign(new Error("Whitespace found in plugin name '".concat(name, "'")), {
+        messageTemplate: "whitespace-found",
+        messageData: {
+          pluginName: request
+        }
+      });
+      return new ConfigDependency({
+        error,
+        id,
+        importerName: ctx.name,
+        importerPath: ctx.filePath
+      });
+    } // Check for additional pool.
+
+
+    const plugin = additionalPluginPool.get(request) || additionalPluginPool.get(id);
+
+    if (plugin) {
+      return new ConfigDependency({
+        definition: normalizePlugin(plugin),
+        filePath: ctx.filePath,
+        id,
+        importerName: ctx.name,
+        importerPath: ctx.filePath
+      });
+    }
+
+    let filePath;
+    let error;
+
+    try {
+      filePath = ModuleResolver.resolve(request, relativeTo);
+    } catch (resolveError) {
+      error = resolveError;
+      /* istanbul ignore else */
+
+      if (error && error.code === "MODULE_NOT_FOUND") {
+        error.messageTemplate = "plugin-missing";
+        error.messageData = {
+          pluginName: request,
+          resolvePluginsRelativeTo: ctx.pluginBasePath,
+          importerName: ctx.name
+        };
+      }
+    }
+
+    if (filePath) {
+      try {
+        writeDebugLogForLoading(request, relativeTo, filePath);
+        const startTime = Date.now();
+
+        const pluginDefinition = __webpack_require__(880)(filePath);
+
+        debug("Plugin ".concat(filePath, " loaded in: ").concat(Date.now() - startTime, "ms"));
+        return new ConfigDependency({
+          definition: normalizePlugin(pluginDefinition),
+          filePath,
+          id,
+          importerName: ctx.name,
+          importerPath: ctx.filePath
+        });
+      } catch (loadError) {
+        error = loadError;
+      }
+    }
+
+    debug("Failed to load plugin '%s' declared in '%s'.", name, ctx.name);
+    error.message = "Failed to load plugin '".concat(name, "' declared in '").concat(ctx.name, "': ").concat(error.message);
+    return new ConfigDependency({
+      error,
+      id,
+      importerName: ctx.name,
+      importerPath: ctx.filePath
+    });
+  }
+  /**
+   * Take file expression processors as config array elements.
+   * @param {Record<string,DependentPlugin>} plugins The plugin definitions.
+   * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.
+   * @returns {IterableIterator<ConfigArrayElement>} The config array elements of file expression processors.
+   * @private
+   */
+
+
+  *_takeFileExtensionProcessors(plugins, ctx) {
+    for (const pluginId of Object.keys(plugins)) {
+      const processors = plugins[pluginId] && plugins[pluginId].definition && plugins[pluginId].definition.processors;
+
+      if (!processors) {
+        continue;
+      }
+
+      for (const processorId of Object.keys(processors)) {
+        if (processorId.startsWith(".")) {
+          yield* this._normalizeObjectConfigData({
+            files: ["*".concat(processorId)],
+            processor: "".concat(pluginId, "/").concat(processorId)
+          }, _objectSpread({}, ctx, {
+            type: "implicit-processor",
+            name: "".concat(ctx.name, "#processors[\"").concat(pluginId, "/").concat(processorId, "\"]")
+          }));
+        }
+      }
+    }
+  }
+
+}
+
+module.exports = {
+  ConfigArrayFactory,
+  createContext
+};
+/* WEBPACK VAR INJECTION */}.call(this, "/"))
+
+/***/ }),
+/* 832 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(__filename) {
+
+const path = __webpack_require__(377);
+
+const resolveFrom = __webpack_require__(833);
+
+const parentModule = __webpack_require__(834);
+
+module.exports = moduleId => {
+  if (typeof moduleId !== 'string') {
+    throw new TypeError('Expected a string');
+  }
+
+  const parentPath = parentModule(__filename);
+  const filePath = resolveFrom(path.dirname(parentPath), moduleId);
+  const oldModule = __webpack_require__.c[filePath]; // Delete itself from module parent
+
+  if (oldModule && oldModule.parent) {
+    let i = oldModule.parent.children.length;
+
+    while (i--) {
+      if (oldModule.parent.children[i].id === filePath) {
+        oldModule.parent.children.splice(i, 1);
+      }
+    }
+  }
+
+  delete __webpack_require__.c[filePath]; // Delete module from cache
+
+  const parent = __webpack_require__.c[parentPath]; // If `filePath` and `parentPath` are the same, cache will already be deleted so we won't get a memory leak in next step
+
+  return parent === undefined ? __webpack_require__(836)(filePath) : parent.require(filePath); // In case cache doesn't have parent, fall back to normal require
+};
+/* WEBPACK VAR INJECTION */}.call(this, "/index.js"))
+
+/***/ }),
+/* 833 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const path = __webpack_require__(377);
+
+const Module = __webpack_require__(828);
+
+const fs = __webpack_require__(824);
+
+const resolveFrom = (fromDir, moduleId, silent) => {
+  if (typeof fromDir !== 'string') {
+    throw new TypeError("Expected `fromDir` to be of type `string`, got `".concat(typeof fromDir, "`"));
+  }
+
+  if (typeof moduleId !== 'string') {
+    throw new TypeError("Expected `moduleId` to be of type `string`, got `".concat(typeof moduleId, "`"));
+  }
+
+  try {
+    fromDir = fs.realpathSync(fromDir);
+  } catch (err) {
+    if (err.code === 'ENOENT') {
+      fromDir = path.resolve(fromDir);
+    } else if (silent) {
+      return null;
+    } else {
+      throw err;
+    }
+  }
+
+  const fromFile = path.join(fromDir, 'noop.js');
+
+  const resolveFileName = () => Module._resolveFilename(moduleId, {
+    id: fromFile,
+    filename: fromFile,
+    paths: Module._nodeModulePaths(fromDir)
+  });
+
+  if (silent) {
+    try {
+      return resolveFileName();
+    } catch (err) {
+      return null;
+    }
+  }
+
+  return resolveFileName();
+};
+
+module.exports = (fromDir, moduleId) => resolveFrom(fromDir, moduleId);
+
+module.exports.silent = (fromDir, moduleId) => resolveFrom(fromDir, moduleId, true);
+
+/***/ }),
+/* 834 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const callsites = __webpack_require__(835);
+
+module.exports = filepath => {
+  const stacks = callsites();
+
+  if (!filepath) {
+    return stacks[2].getFileName();
+  }
+
+  let seenVal = false; // Skip the first stack as it's this function
+
+  stacks.shift();
+
+  for (const stack of stacks) {
+    const parentFilepath = stack.getFileName();
+
+    if (typeof parentFilepath !== 'string') {
+      continue;
+    }
+
+    if (parentFilepath === filepath) {
+      seenVal = true;
+      continue;
+    } // Skip native modules
+
+
+    if (parentFilepath === 'module.js') {
+      continue;
+    }
+
+    if (seenVal && parentFilepath !== filepath) {
+      return parentFilepath;
+    }
+  }
+};
+
+/***/ }),
+/* 835 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const callsites = () => {
+  const _prepareStackTrace = Error.prepareStackTrace;
+
+  Error.prepareStackTrace = (_, stack) => stack;
+
+  const stack = new Error().stack.slice(1);
+  Error.prepareStackTrace = _prepareStackTrace;
+  return stack;
+};
+
+module.exports = callsites; // TODO: Remove this for the next major release
+
+module.exports.default = callsites;
+
+/***/ }),
+/* 836 */
+/***/ (function(module, exports) {
+
+function webpackEmptyContext(req) {
+	var e = new Error("Cannot find module '" + req + "'");
+	e.code = 'MODULE_NOT_FOUND';
+	throw e;
+}
+webpackEmptyContext.keys = function() { return []; };
+webpackEmptyContext.resolve = webpackEmptyContext;
+module.exports = webpackEmptyContext;
+webpackEmptyContext.id = 836;
+
+/***/ }),
+/* 837 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+const singleComment = Symbol('singleComment');
+const multiComment = Symbol('multiComment');
+
+const stripWithoutWhitespace = () => '';
+
+const stripWithWhitespace = (string, start, end) => string.slice(start, end).replace(/\S/g, ' ');
+
+const isEscaped = (jsonString, quotePosition) => {
+  let index = quotePosition - 1;
+  let backslashCount = 0;
+
+  while (jsonString[index] === '\\') {
+    index -= 1;
+    backslashCount += 1;
+  }
+
+  return Boolean(backslashCount % 2);
+};
+
+module.exports = (jsonString, options = {}) => {
+  const strip = options.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace;
+  let insideString = false;
+  let insideComment = false;
+  let offset = 0;
+  let result = '';
+
+  for (let i = 0; i < jsonString.length; i++) {
+    const currentCharacter = jsonString[i];
+    const nextCharacter = jsonString[i + 1];
+
+    if (!insideComment && currentCharacter === '"') {
+      const escaped = isEscaped(jsonString, i);
+
+      if (!escaped) {
+        insideString = !insideString;
+      }
+    }
+
+    if (insideString) {
+      continue;
+    }
+
+    if (!insideComment && currentCharacter + nextCharacter === '//') {
+      result += jsonString.slice(offset, i);
+      offset = i;
+      insideComment = singleComment;
+      i++;
+    } else if (insideComment === singleComment && currentCharacter + nextCharacter === '\r\n') {
+      i++;
+      insideComment = false;
+      result += strip(jsonString, offset, i);
+      offset = i;
+      continue;
+    } else if (insideComment === singleComment && currentCharacter === '\n') {
+      insideComment = false;
+      result += strip(jsonString, offset, i);
+      offset = i;
+    } else if (!insideComment && currentCharacter + nextCharacter === '/*') {
+      result += jsonString.slice(offset, i);
+      offset = i;
+      insideComment = multiComment;
+      i++;
+      continue;
+    } else if (insideComment === multiComment && currentCharacter + nextCharacter === '*/') {
+      i++;
+      insideComment = false;
+      result += strip(jsonString, offset, i + 1);
+      offset = i + 1;
+      continue;
+    }
+  }
+
+  return result + (insideComment ? strip(jsonString.slice(offset)) : jsonString.slice(offset));
+};
+
+/***/ }),
+/* 838 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `ConfigArray` class.
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+const {
+  ConfigArray,
+  getUsedExtractedConfigs
+} = __webpack_require__(839);
+
+const {
+  ConfigDependency
+} = __webpack_require__(842);
+
+const {
+  ExtractedConfig
+} = __webpack_require__(840);
+
+const {
+  IgnorePattern
+} = __webpack_require__(841);
+
+const {
+  OverrideTester
+} = __webpack_require__(843);
+
+module.exports = {
+  ConfigArray,
+  ConfigDependency,
+  ExtractedConfig,
+  IgnorePattern,
+  OverrideTester,
+  getUsedExtractedConfigs
+};
+
+/***/ }),
+/* 839 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `ConfigArray` class.
+ *
+ * `ConfigArray` class expresses the full of a configuration. It has the entry
+ * config file, base config files that were extended, loaded parsers, and loaded
+ * plugins.
+ *
+ * `ConfigArray` class provides three properties and two methods.
+ *
+ * - `pluginEnvironments`
+ * - `pluginProcessors`
+ * - `pluginRules`
+ *      The `Map` objects that contain the members of all plugins that this
+ *      config array contains. Those map objects don't have mutation methods.
+ *      Those keys are the member ID such as `pluginId/memberName`.
+ * - `isRoot()`
+ *      If `true` then this configuration has `root:true` property.
+ * - `extractConfig(filePath)`
+ *      Extract the final configuration for a given file. This means merging
+ *      every config array element which that `criteria` property matched. The
+ *      `filePath` argument must be an absolute path.
+ *
+ * `ConfigArrayFactory` provides the loading logic of config files.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const {
+  ExtractedConfig
+} = __webpack_require__(840);
+
+const {
+  IgnorePattern
+} = __webpack_require__(841); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+// Define types for VSCode IntelliSense.
+
+/** @typedef {import("../../shared/types").Environment} Environment */
+
+/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */
+
+/** @typedef {import("../../shared/types").RuleConf} RuleConf */
+
+/** @typedef {import("../../shared/types").Rule} Rule */
+
+/** @typedef {import("../../shared/types").Plugin} Plugin */
+
+/** @typedef {import("../../shared/types").Processor} Processor */
+
+/** @typedef {import("./config-dependency").DependentParser} DependentParser */
+
+/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */
+
+/** @typedef {import("./override-tester")["OverrideTester"]} OverrideTester */
+
+/**
+ * @typedef {Object} ConfigArrayElement
+ * @property {string} name The name of this config element.
+ * @property {string} filePath The path to the source file of this config element.
+ * @property {InstanceType<OverrideTester>|null} criteria The tester for the `files` and `excludedFiles` of this config element.
+ * @property {Record<string, boolean>|undefined} env The environment settings.
+ * @property {Record<string, GlobalConf>|undefined} globals The global variable settings.
+ * @property {IgnorePattern|undefined} ignorePattern The ignore patterns.
+ * @property {boolean|undefined} noInlineConfig The flag that disables directive comments.
+ * @property {DependentParser|undefined} parser The parser loader.
+ * @property {Object|undefined} parserOptions The parser options.
+ * @property {Record<string, DependentPlugin>|undefined} plugins The plugin loaders.
+ * @property {string|undefined} processor The processor name to refer plugin's processor.
+ * @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments.
+ * @property {boolean|undefined} root The flag to express root.
+ * @property {Record<string, RuleConf>|undefined} rules The rule settings
+ * @property {Object|undefined} settings The shared settings.
+ * @property {"config" | "ignore" | "implicit-processor"} type The element type.
+ */
+
+/**
+ * @typedef {Object} ConfigArrayInternalSlots
+ * @property {Map<string, ExtractedConfig>} cache The cache to extract configs.
+ * @property {ReadonlyMap<string, Environment>|null} envMap The map from environment ID to environment definition.
+ * @property {ReadonlyMap<string, Processor>|null} processorMap The map from processor ID to environment definition.
+ * @property {ReadonlyMap<string, Rule>|null} ruleMap The map from rule ID to rule definition.
+ */
+
+/** @type {WeakMap<ConfigArray, ConfigArrayInternalSlots>} */
+
+
+const internalSlotsMap = new class extends WeakMap {
+  get(key) {
+    let value = super.get(key);
+
+    if (!value) {
+      value = {
+        cache: new Map(),
+        envMap: null,
+        processorMap: null,
+        ruleMap: null
+      };
+      super.set(key, value);
+    }
+
+    return value;
+  }
+
+}();
+/**
+ * Get the indices which are matched to a given file.
+ * @param {ConfigArrayElement[]} elements The elements.
+ * @param {string} filePath The path to a target file.
+ * @returns {number[]} The indices.
+ */
+
+function getMatchedIndices(elements, filePath) {
+  const indices = [];
+
+  for (let i = elements.length - 1; i >= 0; --i) {
+    const element = elements[i];
+
+    if (!element.criteria || element.criteria.test(filePath)) {
+      indices.push(i);
+    }
+  }
+
+  return indices;
+}
+/**
+ * Check if a value is a non-null object.
+ * @param {any} x The value to check.
+ * @returns {boolean} `true` if the value is a non-null object.
+ */
+
+
+function isNonNullObject(x) {
+  return typeof x === "object" && x !== null;
+}
+/**
+ * Merge two objects.
+ *
+ * Assign every property values of `y` to `x` if `x` doesn't have the property.
+ * If `x`'s property value is an object, it does recursive.
+ * @param {Object} target The destination to merge
+ * @param {Object|undefined} source The source to merge.
+ * @returns {void}
+ */
+
+
+function mergeWithoutOverwrite(target, source) {
+  if (!isNonNullObject(source)) {
+    return;
+  }
+
+  for (const key of Object.keys(source)) {
+    if (key === "__proto__") {
+      continue;
+    }
+
+    if (isNonNullObject(target[key])) {
+      mergeWithoutOverwrite(target[key], source[key]);
+    } else if (target[key] === void 0) {
+      if (isNonNullObject(source[key])) {
+        target[key] = Array.isArray(source[key]) ? [] : {};
+        mergeWithoutOverwrite(target[key], source[key]);
+      } else if (source[key] !== void 0) {
+        target[key] = source[key];
+      }
+    }
+  }
+}
+/**
+ * The error for plugin conflicts.
+ */
+
+
+class PluginConflictError extends Error {
+  /**
+   * Initialize this error object.
+   * @param {string} pluginId The plugin ID.
+   * @param {{filePath:string, importerName:string}[]} plugins The resolved plugins.
+   */
+  constructor(pluginId, plugins) {
+    super("Plugin \"".concat(pluginId, "\" was conflicted between ").concat(plugins.map(p => "\"".concat(p.importerName, "\"")).join(" and "), "."));
+    this.messageTemplate = "plugin-conflict";
+    this.messageData = {
+      pluginId,
+      plugins
+    };
+  }
+
+}
+/**
+ * Merge plugins.
+ * `target`'s definition is prior to `source`'s.
+ * @param {Record<string, DependentPlugin>} target The destination to merge
+ * @param {Record<string, DependentPlugin>|undefined} source The source to merge.
+ * @returns {void}
+ */
+
+
+function mergePlugins(target, source) {
+  if (!isNonNullObject(source)) {
+    return;
+  }
+
+  for (const key of Object.keys(source)) {
+    if (key === "__proto__") {
+      continue;
+    }
+
+    const targetValue = target[key];
+    const sourceValue = source[key]; // Adopt the plugin which was found at first.
+
+    if (targetValue === void 0) {
+      if (sourceValue.error) {
+        throw sourceValue.error;
+      }
+
+      target[key] = sourceValue;
+    } else if (sourceValue.filePath !== targetValue.filePath) {
+      throw new PluginConflictError(key, [{
+        filePath: targetValue.filePath,
+        importerName: targetValue.importerName
+      }, {
+        filePath: sourceValue.filePath,
+        importerName: sourceValue.importerName
+      }]);
+    }
+  }
+}
+/**
+ * Merge rule configs.
+ * `target`'s definition is prior to `source`'s.
+ * @param {Record<string, Array>} target The destination to merge
+ * @param {Record<string, RuleConf>|undefined} source The source to merge.
+ * @returns {void}
+ */
+
+
+function mergeRuleConfigs(target, source) {
+  if (!isNonNullObject(source)) {
+    return;
+  }
+
+  for (const key of Object.keys(source)) {
+    if (key === "__proto__") {
+      continue;
+    }
+
+    const targetDef = target[key];
+    const sourceDef = source[key]; // Adopt the rule config which was found at first.
+
+    if (targetDef === void 0) {
+      if (Array.isArray(sourceDef)) {
+        target[key] = [...sourceDef];
+      } else {
+        target[key] = [sourceDef];
+      }
+      /*
+       * If the first found rule config is severity only and the current rule
+       * config has options, merge the severity and the options.
+       */
+
+    } else if (targetDef.length === 1 && Array.isArray(sourceDef) && sourceDef.length >= 2) {
+      targetDef.push(...sourceDef.slice(1));
+    }
+  }
+}
+/**
+ * Create the extracted config.
+ * @param {ConfigArray} instance The config elements.
+ * @param {number[]} indices The indices to use.
+ * @returns {ExtractedConfig} The extracted config.
+ */
+
+
+function createConfig(instance, indices) {
+  const config = new ExtractedConfig();
+  const ignorePatterns = []; // Merge elements.
+
+  for (const index of indices) {
+    const element = instance[index]; // Adopt the parser which was found at first.
+
+    if (!config.parser && element.parser) {
+      if (element.parser.error) {
+        throw element.parser.error;
+      }
+
+      config.parser = element.parser;
+    } // Adopt the processor which was found at first.
+
+
+    if (!config.processor && element.processor) {
+      config.processor = element.processor;
+    } // Adopt the noInlineConfig which was found at first.
+
+
+    if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) {
+      config.noInlineConfig = element.noInlineConfig;
+      config.configNameOfNoInlineConfig = element.name;
+    } // Adopt the reportUnusedDisableDirectives which was found at first.
+
+
+    if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) {
+      config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives;
+    } // Collect ignorePatterns
+
+
+    if (element.ignorePattern) {
+      ignorePatterns.push(element.ignorePattern);
+    } // Merge others.
+
+
+    mergeWithoutOverwrite(config.env, element.env);
+    mergeWithoutOverwrite(config.globals, element.globals);
+    mergeWithoutOverwrite(config.parserOptions, element.parserOptions);
+    mergeWithoutOverwrite(config.settings, element.settings);
+    mergePlugins(config.plugins, element.plugins);
+    mergeRuleConfigs(config.rules, element.rules);
+  } // Create the predicate function for ignore patterns.
+
+
+  if (ignorePatterns.length > 0) {
+    config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse());
+  }
+
+  return config;
+}
+/**
+ * Collect definitions.
+ * @template T, U
+ * @param {string} pluginId The plugin ID for prefix.
+ * @param {Record<string,T>} defs The definitions to collect.
+ * @param {Map<string, U>} map The map to output.
+ * @param {function(T): U} [normalize] The normalize function for each value.
+ * @returns {void}
+ */
+
+
+function collect(pluginId, defs, map, normalize) {
+  if (defs) {
+    const prefix = pluginId && "".concat(pluginId, "/");
+
+    for (const [key, value] of Object.entries(defs)) {
+      map.set("".concat(prefix).concat(key), normalize ? normalize(value) : value);
+    }
+  }
+}
+/**
+ * Normalize a rule definition.
+ * @param {Function|Rule} rule The rule definition to normalize.
+ * @returns {Rule} The normalized rule definition.
+ */
+
+
+function normalizePluginRule(rule) {
+  return typeof rule === "function" ? {
+    create: rule
+  } : rule;
+}
+/**
+ * Delete the mutation methods from a given map.
+ * @param {Map<any, any>} map The map object to delete.
+ * @returns {void}
+ */
+
+
+function deleteMutationMethods(map) {
+  Object.defineProperties(map, {
+    clear: {
+      configurable: true,
+      value: void 0
+    },
+    delete: {
+      configurable: true,
+      value: void 0
+    },
+    set: {
+      configurable: true,
+      value: void 0
+    }
+  });
+}
+/**
+ * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
+ * @param {ConfigArrayElement[]} elements The config elements.
+ * @param {ConfigArrayInternalSlots} slots The internal slots.
+ * @returns {void}
+ */
+
+
+function initPluginMemberMaps(elements, slots) {
+  const processed = new Set();
+  slots.envMap = new Map();
+  slots.processorMap = new Map();
+  slots.ruleMap = new Map();
+
+  for (const element of elements) {
+    if (!element.plugins) {
+      continue;
+    }
+
+    for (const [pluginId, value] of Object.entries(element.plugins)) {
+      const plugin = value.definition;
+
+      if (!plugin || processed.has(pluginId)) {
+        continue;
+      }
+
+      processed.add(pluginId);
+      collect(pluginId, plugin.environments, slots.envMap);
+      collect(pluginId, plugin.processors, slots.processorMap);
+      collect(pluginId, plugin.rules, slots.ruleMap, normalizePluginRule);
+    }
+  }
+
+  deleteMutationMethods(slots.envMap);
+  deleteMutationMethods(slots.processorMap);
+  deleteMutationMethods(slots.ruleMap);
+}
+/**
+ * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.
+ * @param {ConfigArray} instance The config elements.
+ * @returns {ConfigArrayInternalSlots} The extracted config.
+ */
+
+
+function ensurePluginMemberMaps(instance) {
+  const slots = internalSlotsMap.get(instance);
+
+  if (!slots.ruleMap) {
+    initPluginMemberMaps(instance, slots);
+  }
+
+  return slots;
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The Config Array.
+ *
+ * `ConfigArray` instance contains all settings, parsers, and plugins.
+ * You need to call `ConfigArray#extractConfig(filePath)` method in order to
+ * extract, merge and get only the config data which is related to an arbitrary
+ * file.
+ * @extends {Array<ConfigArrayElement>}
+ */
+
+
+class ConfigArray extends Array {
+  /**
+   * Get the plugin environments.
+   * The returned map cannot be mutated.
+   * @type {ReadonlyMap<string, Environment>} The plugin environments.
+   */
+  get pluginEnvironments() {
+    return ensurePluginMemberMaps(this).envMap;
+  }
+  /**
+   * Get the plugin processors.
+   * The returned map cannot be mutated.
+   * @type {ReadonlyMap<string, Processor>} The plugin processors.
+   */
+
+
+  get pluginProcessors() {
+    return ensurePluginMemberMaps(this).processorMap;
+  }
+  /**
+   * Get the plugin rules.
+   * The returned map cannot be mutated.
+   * @returns {ReadonlyMap<string, Rule>} The plugin rules.
+   */
+
+
+  get pluginRules() {
+    return ensurePluginMemberMaps(this).ruleMap;
+  }
+  /**
+   * Check if this config has `root` flag.
+   * @returns {boolean} `true` if this config array is root.
+   */
+
+
+  isRoot() {
+    for (let i = this.length - 1; i >= 0; --i) {
+      const root = this[i].root;
+
+      if (typeof root === "boolean") {
+        return root;
+      }
+    }
+
+    return false;
+  }
+  /**
+   * Extract the config data which is related to a given file.
+   * @param {string} filePath The absolute path to the target file.
+   * @returns {ExtractedConfig} The extracted config data.
+   */
+
+
+  extractConfig(filePath) {
+    const {
+      cache
+    } = internalSlotsMap.get(this);
+    const indices = getMatchedIndices(this, filePath);
+    const cacheKey = indices.join(",");
+
+    if (!cache.has(cacheKey)) {
+      cache.set(cacheKey, createConfig(this, indices));
+    }
+
+    return cache.get(cacheKey);
+  }
+  /**
+   * Check if a given path is an additional lint target.
+   * @param {string} filePath The absolute path to the target file.
+   * @returns {boolean} `true` if the file is an additional lint target.
+   */
+
+
+  isAdditionalTargetPath(filePath) {
+    for (const {
+      criteria,
+      type
+    } of this) {
+      if (type === "config" && criteria && !criteria.endsWithWildcard && criteria.test(filePath)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+}
+
+const exportObject = {
+  ConfigArray,
+
+  /**
+   * Get the used extracted configs.
+   * CLIEngine will use this method to collect used deprecated rules.
+   * @param {ConfigArray} instance The config array object to get.
+   * @returns {ExtractedConfig[]} The used extracted configs.
+   * @private
+   */
+  getUsedExtractedConfigs(instance) {
+    const {
+      cache
+    } = internalSlotsMap.get(instance);
+    return Array.from(cache.values());
+  }
+
+};
+module.exports = exportObject;
+
+/***/ }),
+/* 840 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `ExtractedConfig` class.
+ *
+ * `ExtractedConfig` class expresses a final configuration for a specific file.
+ *
+ * It provides one method.
+ *
+ * - `toCompatibleObjectAsConfigFileContent()`
+ *      Convert this configuration to the compatible object as the content of
+ *      config files. It converts the loaded parser and plugins to strings.
+ *      `CLIEngine#getConfigForFile(filePath)` method uses this method.
+ *
+ * `ConfigArray#extractConfig(filePath)` creates a `ExtractedConfig` instance.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
+const {
+  IgnorePattern
+} = __webpack_require__(841); // For VSCode intellisense
+
+/** @typedef {import("../../shared/types").ConfigData} ConfigData */
+
+/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */
+
+/** @typedef {import("../../shared/types").SeverityConf} SeverityConf */
+
+/** @typedef {import("./config-dependency").DependentParser} DependentParser */
+
+/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */
+
+/**
+ * Check if `xs` starts with `ys`.
+ * @template T
+ * @param {T[]} xs The array to check.
+ * @param {T[]} ys The array that may be the first part of `xs`.
+ * @returns {boolean} `true` if `xs` starts with `ys`.
+ */
+
+
+function startsWith(xs, ys) {
+  return xs.length >= ys.length && ys.every((y, i) => y === xs[i]);
+}
+/**
+ * The class for extracted config data.
+ */
+
+
+class ExtractedConfig {
+  constructor() {
+    /**
+     * The config name what `noInlineConfig` setting came from.
+     * @type {string}
+     */
+    this.configNameOfNoInlineConfig = "";
+    /**
+     * Environments.
+     * @type {Record<string, boolean>}
+     */
+
+    this.env = {};
+    /**
+     * Global variables.
+     * @type {Record<string, GlobalConf>}
+     */
+
+    this.globals = {};
+    /**
+     * The glob patterns that ignore to lint.
+     * @type {(((filePath:string, dot?:boolean) => boolean) & { basePath:string; patterns:string[] }) | undefined}
+     */
+
+    this.ignores = void 0;
+    /**
+     * The flag that disables directive comments.
+     * @type {boolean|undefined}
+     */
+
+    this.noInlineConfig = void 0;
+    /**
+     * Parser definition.
+     * @type {DependentParser|null}
+     */
+
+    this.parser = null;
+    /**
+     * Options for the parser.
+     * @type {Object}
+     */
+
+    this.parserOptions = {};
+    /**
+     * Plugin definitions.
+     * @type {Record<string, DependentPlugin>}
+     */
+
+    this.plugins = {};
+    /**
+     * Processor ID.
+     * @type {string|null}
+     */
+
+    this.processor = null;
+    /**
+     * The flag that reports unused `eslint-disable` directive comments.
+     * @type {boolean|undefined}
+     */
+
+    this.reportUnusedDisableDirectives = void 0;
+    /**
+     * Rule settings.
+     * @type {Record<string, [SeverityConf, ...any[]]>}
+     */
+
+    this.rules = {};
+    /**
+     * Shared settings.
+     * @type {Object}
+     */
+
+    this.settings = {};
+  }
+  /**
+   * Convert this config to the compatible object as a config file content.
+   * @returns {ConfigData} The converted object.
+   */
+
+
+  toCompatibleObjectAsConfigFileContent() {
+    const _this = this,
+          {
+      /* eslint-disable no-unused-vars */
+      configNameOfNoInlineConfig: _ignore1,
+      processor: _ignore2,
+
+      /* eslint-enable no-unused-vars */
+      ignores
+    } = _this,
+          config = _objectWithoutProperties(_this, ["configNameOfNoInlineConfig", "processor", "ignores"]);
+
+    config.parser = config.parser && config.parser.filePath;
+    config.plugins = Object.keys(config.plugins).filter(Boolean).reverse();
+    config.ignorePatterns = ignores ? ignores.patterns : []; // Strip the default patterns from `ignorePatterns`.
+
+    if (startsWith(config.ignorePatterns, IgnorePattern.DefaultPatterns)) {
+      config.ignorePatterns = config.ignorePatterns.slice(IgnorePattern.DefaultPatterns.length);
+    }
+
+    return config;
+  }
+
+}
+
+module.exports = {
+  ExtractedConfig
+};
+
+/***/ }),
+/* 841 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `IgnorePattern` class.
+ *
+ * `IgnorePattern` class has the set of glob patterns and the base path.
+ *
+ * It provides two static methods.
+ *
+ * - `IgnorePattern.createDefaultIgnore(cwd)`
+ *      Create the default predicate function.
+ * - `IgnorePattern.createIgnore(ignorePatterns)`
+ *      Create the predicate function from multiple `IgnorePattern` objects.
+ *
+ * It provides two properties and a method.
+ *
+ * - `patterns`
+ *      The glob patterns that ignore to lint.
+ * - `basePath`
+ *      The base path of the glob patterns. If absolute paths existed in the
+ *      glob patterns, those are handled as relative paths to the base path.
+ * - `getPatternsRelativeTo(basePath)`
+ *      Get `patterns` as modified for a given base path. It modifies the
+ *      absolute paths in the patterns as prepending the difference of two base
+ *      paths.
+ *
+ * `ConfigArrayFactory` creates `IgnorePattern` objects when it processes
+ * `ignorePatterns` properties.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = __webpack_require__(379);
+
+const path = __webpack_require__(377);
+
+const ignore = __webpack_require__(611);
+
+const debug = __webpack_require__(416)("eslint:ignore-pattern");
+/** @typedef {ReturnType<import("ignore").default>} Ignore */
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the path to the common ancestor directory of given paths.
+ * @param {string[]} sourcePaths The paths to calculate the common ancestor.
+ * @returns {string} The path to the common ancestor directory.
+ */
+
+
+function getCommonAncestorPath(sourcePaths) {
+  let result = sourcePaths[0];
+
+  for (let i = 1; i < sourcePaths.length; ++i) {
+    const a = result;
+    const b = sourcePaths[i]; // Set the shorter one (it's the common ancestor if one includes the other).
+
+    result = a.length < b.length ? a : b; // Set the common ancestor.
+
+    for (let j = 0, lastSepPos = 0; j < a.length && j < b.length; ++j) {
+      if (a[j] !== b[j]) {
+        result = a.slice(0, lastSepPos);
+        break;
+      }
+
+      if (a[j] === path.sep) {
+        lastSepPos = j;
+      }
+    }
+  }
+
+  return result || path.sep;
+}
+/**
+ * Make relative path.
+ * @param {string} from The source path to get relative path.
+ * @param {string} to The destination path to get relative path.
+ * @returns {string} The relative path.
+ */
+
+
+function relative(from, to) {
+  const relPath = path.relative(from, to);
+
+  if (path.sep === "/") {
+    return relPath;
+  }
+
+  return relPath.split(path.sep).join("/");
+}
+/**
+ * Get the trailing slash if existed.
+ * @param {string} filePath The path to check.
+ * @returns {string} The trailing slash if existed.
+ */
+
+
+function dirSuffix(filePath) {
+  const isDir = filePath.endsWith(path.sep) || process.platform === "win32" && filePath.endsWith("/");
+  return isDir ? "/" : "";
+}
+
+const DefaultPatterns = Object.freeze(["/**/node_modules/*"]);
+const DotPatterns = Object.freeze([".*", "!.eslintrc.*", "!../"]); //------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+class IgnorePattern {
+  /**
+   * The default patterns.
+   * @type {string[]}
+   */
+  static get DefaultPatterns() {
+    return DefaultPatterns;
+  }
+  /**
+   * Create the default predicate function.
+   * @param {string} cwd The current working directory.
+   * @returns {((filePath:string, dot:boolean) => boolean) & {basePath:string; patterns:string[]}}
+   * The preficate function.
+   * The first argument is an absolute path that is checked.
+   * The second argument is the flag to not ignore dotfiles.
+   * If the predicate function returned `true`, it means the path should be ignored.
+   */
+
+
+  static createDefaultIgnore(cwd) {
+    return this.createIgnore([new IgnorePattern(DefaultPatterns, cwd)]);
+  }
+  /**
+   * Create the predicate function from multiple `IgnorePattern` objects.
+   * @param {IgnorePattern[]} ignorePatterns The list of ignore patterns.
+   * @returns {((filePath:string, dot?:boolean) => boolean) & {basePath:string; patterns:string[]}}
+   * The preficate function.
+   * The first argument is an absolute path that is checked.
+   * The second argument is the flag to not ignore dotfiles.
+   * If the predicate function returned `true`, it means the path should be ignored.
+   */
+
+
+  static createIgnore(ignorePatterns) {
+    debug("Create with: %o", ignorePatterns);
+    const basePath = getCommonAncestorPath(ignorePatterns.map(p => p.basePath));
+    const patterns = [].concat(...ignorePatterns.map(p => p.getPatternsRelativeTo(basePath)));
+    const ig = ignore().add([...DotPatterns, ...patterns]);
+    const dotIg = ignore().add(patterns);
+    debug("  processed: %o", {
+      basePath,
+      patterns
+    });
+    return Object.assign((filePath, dot = false) => {
+      assert(path.isAbsolute(filePath), "'filePath' should be an absolute path.");
+      const relPathRaw = relative(basePath, filePath);
+      const relPath = relPathRaw && relPathRaw + dirSuffix(filePath);
+      const adoptedIg = dot ? dotIg : ig;
+      const result = relPath !== "" && adoptedIg.ignores(relPath);
+      debug("Check", {
+        filePath,
+        dot,
+        relativePath: relPath,
+        result
+      });
+      return result;
+    }, {
+      basePath,
+      patterns
+    });
+  }
+  /**
+   * Initialize a new `IgnorePattern` instance.
+   * @param {string[]} patterns The glob patterns that ignore to lint.
+   * @param {string} basePath The base path of `patterns`.
+   */
+
+
+  constructor(patterns, basePath) {
+    assert(path.isAbsolute(basePath), "'basePath' should be an absolute path.");
+    /**
+     * The glob patterns that ignore to lint.
+     * @type {string[]}
+     */
+
+    this.patterns = patterns;
+    /**
+     * The base path of `patterns`.
+     * @type {string}
+     */
+
+    this.basePath = basePath;
+    /**
+     * If `true` then patterns which don't start with `/` will match the paths to the outside of `basePath`. Defaults to `false`.
+     *
+     * It's set `true` for `.eslintignore`, `package.json`, and `--ignore-path` for backward compatibility.
+     * It's `false` as-is for `ignorePatterns` property in config files.
+     * @type {boolean}
+     */
+
+    this.loose = false;
+  }
+  /**
+   * Get `patterns` as modified for a given base path. It modifies the
+   * absolute paths in the patterns as prepending the difference of two base
+   * paths.
+   * @param {string} newBasePath The base path.
+   * @returns {string[]} Modifired patterns.
+   */
+
+
+  getPatternsRelativeTo(newBasePath) {
+    assert(path.isAbsolute(newBasePath), "'newBasePath' should be an absolute path.");
+    const {
+      basePath,
+      loose,
+      patterns
+    } = this;
+
+    if (newBasePath === basePath) {
+      return patterns;
+    }
+
+    const prefix = "/".concat(relative(newBasePath, basePath));
+    return patterns.map(pattern => {
+      const negative = pattern.startsWith("!");
+      const head = negative ? "!" : "";
+      const body = negative ? pattern.slice(1) : pattern;
+
+      if (body.startsWith("/") || body.startsWith("../")) {
+        return "".concat(head).concat(prefix).concat(body);
+      }
+
+      return loose ? pattern : "".concat(head).concat(prefix, "/**/").concat(body);
+    });
+  }
+
+}
+
+module.exports = {
+  IgnorePattern
+};
+
+/***/ }),
+/* 842 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `ConfigDependency` class.
+ *
+ * `ConfigDependency` class expresses a loaded parser or plugin.
+ *
+ * If the parser or plugin was loaded successfully, it has `definition` property
+ * and `filePath` property. Otherwise, it has `error` property.
+ *
+ * When `JSON.stringify()` converted a `ConfigDependency` object to a JSON, it
+ * omits `definition` property.
+ *
+ * `ConfigArrayFactory` creates `ConfigDependency` objects when it loads parsers
+ * or plugins.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
+
+function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const util = __webpack_require__(412);
+/**
+ * The class is to store parsers or plugins.
+ * This class hides the loaded object from `JSON.stringify()` and `console.log`.
+ * @template T
+ */
+
+
+class ConfigDependency {
+  /**
+   * Initialize this instance.
+   * @param {Object} data The dependency data.
+   * @param {T} [data.definition] The dependency if the loading succeeded.
+   * @param {Error} [data.error] The error object if the loading failed.
+   * @param {string} [data.filePath] The actual path to the dependency if the loading succeeded.
+   * @param {string} data.id The ID of this dependency.
+   * @param {string} data.importerName The name of the config file which loads this dependency.
+   * @param {string} data.importerPath The path to the config file which loads this dependency.
+   */
+  constructor({
+    definition = null,
+    error = null,
+    filePath = null,
+    id,
+    importerName,
+    importerPath
+  }) {
+    /**
+     * The loaded dependency if the loading succeeded.
+     * @type {T|null}
+     */
+    this.definition = definition;
+    /**
+     * The error object if the loading failed.
+     * @type {Error|null}
+     */
+
+    this.error = error;
+    /**
+     * The loaded dependency if the loading succeeded.
+     * @type {string|null}
+     */
+
+    this.filePath = filePath;
+    /**
+     * The ID of this dependency.
+     * @type {string}
+     */
+
+    this.id = id;
+    /**
+     * The name of the config file which loads this dependency.
+     * @type {string}
+     */
+
+    this.importerName = importerName;
+    /**
+     * The path to the config file which loads this dependency.
+     * @type {string}
+     */
+
+    this.importerPath = importerPath;
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {Object} a JSON compatible object.
+   */
+
+
+  toJSON() {
+    const obj = this[util.inspect.custom](); // Display `error.message` (`Error#message` is unenumerable).
+
+    if (obj.error instanceof Error) {
+      obj.error = _objectSpread({}, obj.error, {
+        message: obj.error.message
+      });
+    }
+
+    return obj;
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {Object} an object to display by `console.log()`.
+   */
+
+
+  [util.inspect.custom]() {
+    const _this = this,
+          {
+      definition: _ignore
+    } = _this,
+          obj = _objectWithoutProperties(_this, ["definition"]);
+
+    return obj;
+  }
+
+}
+/** @typedef {ConfigDependency<import("../../shared/types").Parser>} DependentParser */
+
+/** @typedef {ConfigDependency<import("../../shared/types").Plugin>} DependentPlugin */
+
+
+module.exports = {
+  ConfigDependency
+};
+
+/***/ }),
+/* 843 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `OverrideTester` class.
+ *
+ * `OverrideTester` class handles `files` property and `excludedFiles` property
+ * of `overrides` config.
+ *
+ * It provides one method.
+ *
+ * - `test(filePath)`
+ *      Test if a file path matches the pair of `files` property and
+ *      `excludedFiles` property. The `filePath` argument must be an absolute
+ *      path.
+ *
+ * `ConfigArrayFactory` creates `OverrideTester` objects when it processes
+ * `overrides` properties.
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const assert = __webpack_require__(379);
+
+const path = __webpack_require__(377);
+
+const util = __webpack_require__(412);
+
+const {
+  Minimatch
+} = __webpack_require__(844);
+
+const minimatchOpts = {
+  dot: true,
+  matchBase: true
+};
+/**
+ * @typedef {Object} Pattern
+ * @property {InstanceType<Minimatch>[] | null} includes The positive matchers.
+ * @property {InstanceType<Minimatch>[] | null} excludes The negative matchers.
+ */
+
+/**
+ * Normalize a given pattern to an array.
+ * @param {string|string[]|undefined} patterns A glob pattern or an array of glob patterns.
+ * @returns {string[]|null} Normalized patterns.
+ * @private
+ */
+
+function normalizePatterns(patterns) {
+  if (Array.isArray(patterns)) {
+    return patterns.filter(Boolean);
+  }
+
+  if (typeof patterns === "string" && patterns) {
+    return [patterns];
+  }
+
+  return [];
+}
+/**
+ * Create the matchers of given patterns.
+ * @param {string[]} patterns The patterns.
+ * @returns {InstanceType<Minimatch>[] | null} The matchers.
+ */
+
+
+function toMatcher(patterns) {
+  if (patterns.length === 0) {
+    return null;
+  }
+
+  return patterns.map(pattern => {
+    if (/^\.[/\\]/u.test(pattern)) {
+      return new Minimatch(pattern.slice(2), // `./*.js` should not match with `subdir/foo.js`
+      _objectSpread({}, minimatchOpts, {
+        matchBase: false
+      }));
+    }
+
+    return new Minimatch(pattern, minimatchOpts);
+  });
+}
+/**
+ * Convert a given matcher to string.
+ * @param {Pattern} matchers The matchers.
+ * @returns {string} The string expression of the matcher.
+ */
+
+
+function patternToJson({
+  includes,
+  excludes
+}) {
+  return {
+    includes: includes && includes.map(m => m.pattern),
+    excludes: excludes && excludes.map(m => m.pattern)
+  };
+}
+/**
+ * The class to test given paths are matched by the patterns.
+ */
+
+
+class OverrideTester {
+  /**
+   * Create a tester with given criteria.
+   * If there are no criteria, returns `null`.
+   * @param {string|string[]} files The glob patterns for included files.
+   * @param {string|string[]} excludedFiles The glob patterns for excluded files.
+   * @param {string} basePath The path to the base directory to test paths.
+   * @returns {OverrideTester|null} The created instance or `null`.
+   */
+  static create(files, excludedFiles, basePath) {
+    const includePatterns = normalizePatterns(files);
+    const excludePatterns = normalizePatterns(excludedFiles);
+    let endsWithWildcard = false;
+
+    if (includePatterns.length === 0) {
+      return null;
+    } // Rejects absolute paths or relative paths to parents.
+
+
+    for (const pattern of includePatterns) {
+      if (path.isAbsolute(pattern) || pattern.includes("..")) {
+        throw new Error("Invalid override pattern (expected relative path not containing '..'): ".concat(pattern));
+      }
+
+      if (pattern.endsWith("*")) {
+        endsWithWildcard = true;
+      }
+    }
+
+    for (const pattern of excludePatterns) {
+      if (path.isAbsolute(pattern) || pattern.includes("..")) {
+        throw new Error("Invalid override pattern (expected relative path not containing '..'): ".concat(pattern));
+      }
+    }
+
+    const includes = toMatcher(includePatterns);
+    const excludes = toMatcher(excludePatterns);
+    return new OverrideTester([{
+      includes,
+      excludes
+    }], basePath, endsWithWildcard);
+  }
+  /**
+   * Combine two testers by logical and.
+   * If either of the testers was `null`, returns the other tester.
+   * The `basePath` property of the two must be the same value.
+   * @param {OverrideTester|null} a A tester.
+   * @param {OverrideTester|null} b Another tester.
+   * @returns {OverrideTester|null} Combined tester.
+   */
+
+
+  static and(a, b) {
+    if (!b) {
+      return a && new OverrideTester(a.patterns, a.basePath, a.endsWithWildcard);
+    }
+
+    if (!a) {
+      return new OverrideTester(b.patterns, b.basePath, b.endsWithWildcard);
+    }
+
+    assert.strictEqual(a.basePath, b.basePath);
+    return new OverrideTester(a.patterns.concat(b.patterns), a.basePath, a.endsWithWildcard || b.endsWithWildcard);
+  }
+  /**
+   * Initialize this instance.
+   * @param {Pattern[]} patterns The matchers.
+   * @param {string} basePath The base path.
+   * @param {boolean} endsWithWildcard If `true` then a pattern ends with `*`.
+   */
+
+
+  constructor(patterns, basePath, endsWithWildcard = false) {
+    /** @type {Pattern[]} */
+    this.patterns = patterns;
+    /** @type {string} */
+
+    this.basePath = basePath;
+    /** @type {boolean} */
+
+    this.endsWithWildcard = endsWithWildcard;
+  }
+  /**
+   * Test if a given path is matched or not.
+   * @param {string} filePath The absolute path to the target file.
+   * @returns {boolean} `true` if the path was matched.
+   */
+
+
+  test(filePath) {
+    if (typeof filePath !== "string" || !path.isAbsolute(filePath)) {
+      throw new Error("'filePath' should be an absolute path, but got ".concat(filePath, "."));
+    }
+
+    const relativePath = path.relative(this.basePath, filePath);
+    return this.patterns.every(({
+      includes,
+      excludes
+    }) => (!includes || includes.some(m => m.match(relativePath))) && (!excludes || !excludes.some(m => m.match(relativePath))));
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {Object} a JSON compatible object.
+   */
+
+
+  toJSON() {
+    if (this.patterns.length === 1) {
+      return _objectSpread({}, patternToJson(this.patterns[0]), {
+        basePath: this.basePath
+      });
+    }
+
+    return {
+      AND: this.patterns.map(patternToJson),
+      basePath: this.basePath
+    };
+  } // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @returns {Object} an object to display by `console.log()`.
+   */
+
+
+  [util.inspect.custom]() {
+    return this.toJSON();
+  }
+
+}
+
+module.exports = {
+  OverrideTester
+};
+
+/***/ }),
+/* 844 */
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = minimatch;
+minimatch.Minimatch = Minimatch;
+var path = {
+  sep: '/'
+};
+
+try {
+  path = __webpack_require__(377);
+} catch (er) {}
+
+var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {};
+
+var expand = __webpack_require__(845);
+
+var plTypes = {
+  '!': {
+    open: '(?:(?!(?:',
+    close: '))[^/]*?)'
+  },
+  '?': {
+    open: '(?:',
+    close: ')?'
+  },
+  '+': {
+    open: '(?:',
+    close: ')+'
+  },
+  '*': {
+    open: '(?:',
+    close: ')*'
+  },
+  '@': {
+    open: '(?:',
+    close: ')'
+  }
+}; // any single thing other than /
+// don't need to escape / when using new RegExp()
+
+var qmark = '[^/]'; // * => any number of characters
+
+var star = qmark + '*?'; // ** when dots are allowed.  Anything goes, except .. and .
+// not (^ or / followed by one or two dots followed by $ or /),
+// followed by anything, any number of times.
+
+var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'; // not a ^ or / followed by a dot,
+// followed by anything, any number of times.
+
+var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'; // characters that need to be escaped in RegExp.
+
+var reSpecials = charSet('().*{}+?[]^$\\!'); // "abc" -> { a:true, b:true, c:true }
+
+function charSet(s) {
+  return s.split('').reduce(function (set, c) {
+    set[c] = true;
+    return set;
+  }, {});
+} // normalizes slashes.
+
+
+var slashSplit = /\/+/;
+minimatch.filter = filter;
+
+function filter(pattern, options) {
+  options = options || {};
+  return function (p, i, list) {
+    return minimatch(p, pattern, options);
+  };
+}
+
+function ext(a, b) {
+  a = a || {};
+  b = b || {};
+  var t = {};
+  Object.keys(b).forEach(function (k) {
+    t[k] = b[k];
+  });
+  Object.keys(a).forEach(function (k) {
+    t[k] = a[k];
+  });
+  return t;
+}
+
+minimatch.defaults = function (def) {
+  if (!def || !Object.keys(def).length) return minimatch;
+  var orig = minimatch;
+
+  var m = function minimatch(p, pattern, options) {
+    return orig.minimatch(p, pattern, ext(def, options));
+  };
+
+  m.Minimatch = function Minimatch(pattern, options) {
+    return new orig.Minimatch(pattern, ext(def, options));
+  };
+
+  return m;
+};
+
+Minimatch.defaults = function (def) {
+  if (!def || !Object.keys(def).length) return Minimatch;
+  return minimatch.defaults(def).Minimatch;
+};
+
+function minimatch(p, pattern, options) {
+  if (typeof pattern !== 'string') {
+    throw new TypeError('glob pattern string required');
+  }
+
+  if (!options) options = {}; // shortcut: comments match nothing.
+
+  if (!options.nocomment && pattern.charAt(0) === '#') {
+    return false;
+  } // "" only matches ""
+
+
+  if (pattern.trim() === '') return p === '';
+  return new Minimatch(pattern, options).match(p);
+}
+
+function Minimatch(pattern, options) {
+  if (!(this instanceof Minimatch)) {
+    return new Minimatch(pattern, options);
+  }
+
+  if (typeof pattern !== 'string') {
+    throw new TypeError('glob pattern string required');
+  }
+
+  if (!options) options = {};
+  pattern = pattern.trim(); // windows support: need to use /, not \
+
+  if (path.sep !== '/') {
+    pattern = pattern.split(path.sep).join('/');
+  }
+
+  this.options = options;
+  this.set = [];
+  this.pattern = pattern;
+  this.regexp = null;
+  this.negate = false;
+  this.comment = false;
+  this.empty = false; // make the set of regexps etc.
+
+  this.make();
+}
+
+Minimatch.prototype.debug = function () {};
+
+Minimatch.prototype.make = make;
+
+function make() {
+  // don't do it more than once.
+  if (this._made) return;
+  var pattern = this.pattern;
+  var options = this.options; // empty patterns and comments match nothing.
+
+  if (!options.nocomment && pattern.charAt(0) === '#') {
+    this.comment = true;
+    return;
+  }
+
+  if (!pattern) {
+    this.empty = true;
+    return;
+  } // step 1: figure out negation, etc.
+
+
+  this.parseNegate(); // step 2: expand braces
+
+  var set = this.globSet = this.braceExpand();
+  if (options.debug) this.debug = console.error;
+  this.debug(this.pattern, set); // step 3: now we have a set, so turn each one into a series of path-portion
+  // matching patterns.
+  // These will be regexps, except in the case of "**", which is
+  // set to the GLOBSTAR object for globstar behavior,
+  // and will not contain any / characters
+
+  set = this.globParts = set.map(function (s) {
+    return s.split(slashSplit);
+  });
+  this.debug(this.pattern, set); // glob --> regexps
+
+  set = set.map(function (s, si, set) {
+    return s.map(this.parse, this);
+  }, this);
+  this.debug(this.pattern, set); // filter out everything that didn't compile properly.
+
+  set = set.filter(function (s) {
+    return s.indexOf(false) === -1;
+  });
+  this.debug(this.pattern, set);
+  this.set = set;
+}
+
+Minimatch.prototype.parseNegate = parseNegate;
+
+function parseNegate() {
+  var pattern = this.pattern;
+  var negate = false;
+  var options = this.options;
+  var negateOffset = 0;
+  if (options.nonegate) return;
+
+  for (var i = 0, l = pattern.length; i < l && pattern.charAt(i) === '!'; i++) {
+    negate = !negate;
+    negateOffset++;
+  }
+
+  if (negateOffset) this.pattern = pattern.substr(negateOffset);
+  this.negate = negate;
+} // Brace expansion:
+// a{b,c}d -> abd acd
+// a{b,}c -> abc ac
+// a{0..3}d -> a0d a1d a2d a3d
+// a{b,c{d,e}f}g -> abg acdfg acefg
+// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
+//
+// Invalid sets are not expanded.
+// a{2..}b -> a{2..}b
+// a{b}c -> a{b}c
+
+
+minimatch.braceExpand = function (pattern, options) {
+  return braceExpand(pattern, options);
+};
+
+Minimatch.prototype.braceExpand = braceExpand;
+
+function braceExpand(pattern, options) {
+  if (!options) {
+    if (this instanceof Minimatch) {
+      options = this.options;
+    } else {
+      options = {};
+    }
+  }
+
+  pattern = typeof pattern === 'undefined' ? this.pattern : pattern;
+
+  if (typeof pattern === 'undefined') {
+    throw new TypeError('undefined pattern');
+  }
+
+  if (options.nobrace || !pattern.match(/\{.*\}/)) {
+    // shortcut. no need to expand.
+    return [pattern];
+  }
+
+  return expand(pattern);
+} // parse a component of the expanded set.
+// At this point, no pattern may contain "/" in it
+// so we're going to return a 2d array, where each entry is the full
+// pattern, split on '/', and then turned into a regular expression.
+// A regexp is made at the end which joins each array with an
+// escaped /, and another full one which joins each regexp with |.
+//
+// Following the lead of Bash 4.1, note that "**" only has special meaning
+// when it is the *only* thing in a path portion.  Otherwise, any series
+// of * is equivalent to a single *.  Globstar behavior is enabled by
+// default, and can be disabled by setting options.noglobstar.
+
+
+Minimatch.prototype.parse = parse;
+var SUBPARSE = {};
+
+function parse(pattern, isSub) {
+  if (pattern.length > 1024 * 64) {
+    throw new TypeError('pattern is too long');
+  }
+
+  var options = this.options; // shortcuts
+
+  if (!options.noglobstar && pattern === '**') return GLOBSTAR;
+  if (pattern === '') return '';
+  var re = '';
+  var hasMagic = !!options.nocase;
+  var escaping = false; // ? => one single character
+
+  var patternListStack = [];
+  var negativeLists = [];
+  var stateChar;
+  var inClass = false;
+  var reClassStart = -1;
+  var classStart = -1; // . and .. never match anything that doesn't start with .,
+  // even when options.dot is set.
+
+  var patternStart = pattern.charAt(0) === '.' ? '' // anything
+  // not (start or / followed by . or .. followed by / or end)
+  : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' : '(?!\\.)';
+  var self = this;
+
+  function clearStateChar() {
+    if (stateChar) {
+      // we had some state-tracking character
+      // that wasn't consumed by this pass.
+      switch (stateChar) {
+        case '*':
+          re += star;
+          hasMagic = true;
+          break;
+
+        case '?':
+          re += qmark;
+          hasMagic = true;
+          break;
+
+        default:
+          re += '\\' + stateChar;
+          break;
+      }
+
+      self.debug('clearStateChar %j %j', stateChar, re);
+      stateChar = false;
+    }
+  }
+
+  for (var i = 0, len = pattern.length, c; i < len && (c = pattern.charAt(i)); i++) {
+    this.debug('%s\t%s %s %j', pattern, i, re, c); // skip over any that are escaped.
+
+    if (escaping && reSpecials[c]) {
+      re += '\\' + c;
+      escaping = false;
+      continue;
+    }
+
+    switch (c) {
+      case '/':
+        // completely not allowed, even escaped.
+        // Should already be path-split by now.
+        return false;
+
+      case '\\':
+        clearStateChar();
+        escaping = true;
+        continue;
+      // the various stateChar values
+      // for the "extglob" stuff.
+
+      case '?':
+      case '*':
+      case '+':
+      case '@':
+      case '!':
+        this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c); // all of those are literals inside a class, except that
+        // the glob [!a] means [^a] in regexp
+
+        if (inClass) {
+          this.debug('  in class');
+          if (c === '!' && i === classStart + 1) c = '^';
+          re += c;
+          continue;
+        } // if we already have a stateChar, then it means
+        // that there was something like ** or +? in there.
+        // Handle the stateChar, then proceed with this one.
+
+
+        self.debug('call clearStateChar %j', stateChar);
+        clearStateChar();
+        stateChar = c; // if extglob is disabled, then +(asdf|foo) isn't a thing.
+        // just clear the statechar *now*, rather than even diving into
+        // the patternList stuff.
+
+        if (options.noext) clearStateChar();
+        continue;
+
+      case '(':
+        if (inClass) {
+          re += '(';
+          continue;
+        }
+
+        if (!stateChar) {
+          re += '\\(';
+          continue;
+        }
+
+        patternListStack.push({
+          type: stateChar,
+          start: i - 1,
+          reStart: re.length,
+          open: plTypes[stateChar].open,
+          close: plTypes[stateChar].close
+        }); // negation is (?:(?!js)[^/]*)
+
+        re += stateChar === '!' ? '(?:(?!(?:' : '(?:';
+        this.debug('plType %j %j', stateChar, re);
+        stateChar = false;
+        continue;
+
+      case ')':
+        if (inClass || !patternListStack.length) {
+          re += '\\)';
+          continue;
+        }
+
+        clearStateChar();
+        hasMagic = true;
+        var pl = patternListStack.pop(); // negation is (?:(?!js)[^/]*)
+        // The others are (?:<pattern>)<type>
+
+        re += pl.close;
+
+        if (pl.type === '!') {
+          negativeLists.push(pl);
+        }
+
+        pl.reEnd = re.length;
+        continue;
+
+      case '|':
+        if (inClass || !patternListStack.length || escaping) {
+          re += '\\|';
+          escaping = false;
+          continue;
+        }
+
+        clearStateChar();
+        re += '|';
+        continue;
+      // these are mostly the same in regexp and glob
+
+      case '[':
+        // swallow any state-tracking char before the [
+        clearStateChar();
+
+        if (inClass) {
+          re += '\\' + c;
+          continue;
+        }
+
+        inClass = true;
+        classStart = i;
+        reClassStart = re.length;
+        re += c;
+        continue;
+
+      case ']':
+        //  a right bracket shall lose its special
+        //  meaning and represent itself in
+        //  a bracket expression if it occurs
+        //  first in the list.  -- POSIX.2 2.8.3.2
+        if (i === classStart + 1 || !inClass) {
+          re += '\\' + c;
+          escaping = false;
+          continue;
+        } // handle the case where we left a class open.
+        // "[z-a]" is valid, equivalent to "\[z-a\]"
+
+
+        if (inClass) {
+          // split where the last [ was, make sure we don't have
+          // an invalid re. if so, re-walk the contents of the
+          // would-be class to re-translate any characters that
+          // were passed through as-is
+          // TODO: It would probably be faster to determine this
+          // without a try/catch and a new RegExp, but it's tricky
+          // to do safely.  For now, this is safe and works.
+          var cs = pattern.substring(classStart + 1, i);
+
+          try {
+            RegExp('[' + cs + ']');
+          } catch (er) {
+            // not a valid class!
+            var sp = this.parse(cs, SUBPARSE);
+            re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]';
+            hasMagic = hasMagic || sp[1];
+            inClass = false;
+            continue;
+          }
+        } // finish up the class.
+
+
+        hasMagic = true;
+        inClass = false;
+        re += c;
+        continue;
+
+      default:
+        // swallow any state char that wasn't consumed
+        clearStateChar();
+
+        if (escaping) {
+          // no need
+          escaping = false;
+        } else if (reSpecials[c] && !(c === '^' && inClass)) {
+          re += '\\';
+        }
+
+        re += c;
+    } // switch
+
+  } // for
+  // handle the case where we left a class open.
+  // "[abc" is valid, equivalent to "\[abc"
+
+
+  if (inClass) {
+    // split where the last [ was, and escape it
+    // this is a huge pita.  We now have to re-walk
+    // the contents of the would-be class to re-translate
+    // any characters that were passed through as-is
+    cs = pattern.substr(classStart + 1);
+    sp = this.parse(cs, SUBPARSE);
+    re = re.substr(0, reClassStart) + '\\[' + sp[0];
+    hasMagic = hasMagic || sp[1];
+  } // handle the case where we had a +( thing at the *end*
+  // of the pattern.
+  // each pattern list stack adds 3 chars, and we need to go through
+  // and escape any | chars that were passed through as-is for the regexp.
+  // Go through and escape them, taking care not to double-escape any
+  // | chars that were already escaped.
+
+
+  for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) {
+    var tail = re.slice(pl.reStart + pl.open.length);
+    this.debug('setting tail', re, pl); // maybe some even number of \, then maybe 1 \, followed by a |
+
+    tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) {
+      if (!$2) {
+        // the | isn't already escaped, so escape it.
+        $2 = '\\';
+      } // need to escape all those slashes *again*, without escaping the
+      // one that we need for escaping the | character.  As it works out,
+      // escaping an even number of slashes can be done by simply repeating
+      // it exactly after itself.  That's why this trick works.
+      //
+      // I am sorry that you have to see this.
+
+
+      return $1 + $1 + $2 + '|';
+    });
+    this.debug('tail=%j\n   %s', tail, tail, pl, re);
+    var t = pl.type === '*' ? star : pl.type === '?' ? qmark : '\\' + pl.type;
+    hasMagic = true;
+    re = re.slice(0, pl.reStart) + t + '\\(' + tail;
+  } // handle trailing things that only matter at the very end.
+
+
+  clearStateChar();
+
+  if (escaping) {
+    // trailing \\
+    re += '\\\\';
+  } // only need to apply the nodot start if the re starts with
+  // something that could conceivably capture a dot
+
+
+  var addPatternStart = false;
+
+  switch (re.charAt(0)) {
+    case '.':
+    case '[':
+    case '(':
+      addPatternStart = true;
+  } // Hack to work around lack of negative lookbehind in JS
+  // A pattern like: *.!(x).!(y|z) needs to ensure that a name
+  // like 'a.xyz.yz' doesn't match.  So, the first negative
+  // lookahead, has to look ALL the way ahead, to the end of
+  // the pattern.
+
+
+  for (var n = negativeLists.length - 1; n > -1; n--) {
+    var nl = negativeLists[n];
+    var nlBefore = re.slice(0, nl.reStart);
+    var nlFirst = re.slice(nl.reStart, nl.reEnd - 8);
+    var nlLast = re.slice(nl.reEnd - 8, nl.reEnd);
+    var nlAfter = re.slice(nl.reEnd);
+    nlLast += nlAfter; // Handle nested stuff like *(*.js|!(*.json)), where open parens
+    // mean that we should *not* include the ) in the bit that is considered
+    // "after" the negated section.
+
+    var openParensBefore = nlBefore.split('(').length - 1;
+    var cleanAfter = nlAfter;
+
+    for (i = 0; i < openParensBefore; i++) {
+      cleanAfter = cleanAfter.replace(/\)[+*?]?/, '');
+    }
+
+    nlAfter = cleanAfter;
+    var dollar = '';
+
+    if (nlAfter === '' && isSub !== SUBPARSE) {
+      dollar = '$';
+    }
+
+    var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast;
+    re = newRe;
+  } // if the re is not "" at this point, then we need to make sure
+  // it doesn't match against an empty path part.
+  // Otherwise a/* will match a/, which it should not.
+
+
+  if (re !== '' && hasMagic) {
+    re = '(?=.)' + re;
+  }
+
+  if (addPatternStart) {
+    re = patternStart + re;
+  } // parsing just a piece of a larger pattern.
+
+
+  if (isSub === SUBPARSE) {
+    return [re, hasMagic];
+  } // skip the regexp for non-magical patterns
+  // unescape anything in it, though, so that it'll be
+  // an exact match against a file etc.
+
+
+  if (!hasMagic) {
+    return globUnescape(pattern);
+  }
+
+  var flags = options.nocase ? 'i' : '';
+
+  try {
+    var regExp = new RegExp('^' + re + '$', flags);
+  } catch (er) {
+    // If it was an invalid regular expression, then it can't match
+    // anything.  This trick looks for a character after the end of
+    // the string, which is of course impossible, except in multi-line
+    // mode, but it's not a /m regex.
+    return new RegExp('$.');
+  }
+
+  regExp._glob = pattern;
+  regExp._src = re;
+  return regExp;
+}
+
+minimatch.makeRe = function (pattern, options) {
+  return new Minimatch(pattern, options || {}).makeRe();
+};
+
+Minimatch.prototype.makeRe = makeRe;
+
+function makeRe() {
+  if (this.regexp || this.regexp === false) return this.regexp; // at this point, this.set is a 2d array of partial
+  // pattern strings, or "**".
+  //
+  // It's better to use .match().  This function shouldn't
+  // be used, really, but it's pretty convenient sometimes,
+  // when you just want to work with a regex.
+
+  var set = this.set;
+
+  if (!set.length) {
+    this.regexp = false;
+    return this.regexp;
+  }
+
+  var options = this.options;
+  var twoStar = options.noglobstar ? star : options.dot ? twoStarDot : twoStarNoDot;
+  var flags = options.nocase ? 'i' : '';
+  var re = set.map(function (pattern) {
+    return pattern.map(function (p) {
+      return p === GLOBSTAR ? twoStar : typeof p === 'string' ? regExpEscape(p) : p._src;
+    }).join('\\\/');
+  }).join('|'); // must match entire pattern
+  // ending in a * or ** will make it less strict.
+
+  re = '^(?:' + re + ')$'; // can match anything, as long as it's not this.
+
+  if (this.negate) re = '^(?!' + re + ').*$';
+
+  try {
+    this.regexp = new RegExp(re, flags);
+  } catch (ex) {
+    this.regexp = false;
+  }
+
+  return this.regexp;
+}
+
+minimatch.match = function (list, pattern, options) {
+  options = options || {};
+  var mm = new Minimatch(pattern, options);
+  list = list.filter(function (f) {
+    return mm.match(f);
+  });
+
+  if (mm.options.nonull && !list.length) {
+    list.push(pattern);
+  }
+
+  return list;
+};
+
+Minimatch.prototype.match = match;
+
+function match(f, partial) {
+  this.debug('match', f, this.pattern); // short-circuit in the case of busted things.
+  // comments, etc.
+
+  if (this.comment) return false;
+  if (this.empty) return f === '';
+  if (f === '/' && partial) return true;
+  var options = this.options; // windows: need to use /, not \
+
+  if (path.sep !== '/') {
+    f = f.split(path.sep).join('/');
+  } // treat the test path as a set of pathparts.
+
+
+  f = f.split(slashSplit);
+  this.debug(this.pattern, 'split', f); // just ONE of the pattern sets in this.set needs to match
+  // in order for it to be valid.  If negating, then just one
+  // match means that we have failed.
+  // Either way, return on the first hit.
+
+  var set = this.set;
+  this.debug(this.pattern, 'set', set); // Find the basename of the path by looking for the last non-empty segment
+
+  var filename;
+  var i;
+
+  for (i = f.length - 1; i >= 0; i--) {
+    filename = f[i];
+    if (filename) break;
+  }
+
+  for (i = 0; i < set.length; i++) {
+    var pattern = set[i];
+    var file = f;
+
+    if (options.matchBase && pattern.length === 1) {
+      file = [filename];
+    }
+
+    var hit = this.matchOne(file, pattern, partial);
+
+    if (hit) {
+      if (options.flipNegate) return true;
+      return !this.negate;
+    }
+  } // didn't get any hits.  this is success if it's a negative
+  // pattern, failure otherwise.
+
+
+  if (options.flipNegate) return false;
+  return this.negate;
+} // set partial to true to test if, for example,
+// "/a/b" matches the start of "/*/b/*/d"
+// Partial means, if you run out of file before you run
+// out of pattern, then that's fine, as long as all
+// the parts match.
+
+
+Minimatch.prototype.matchOne = function (file, pattern, partial) {
+  var options = this.options;
+  this.debug('matchOne', {
+    'this': this,
+    file: file,
+    pattern: pattern
+  });
+  this.debug('matchOne', file.length, pattern.length);
+
+  for (var fi = 0, pi = 0, fl = file.length, pl = pattern.length; fi < fl && pi < pl; fi++, pi++) {
+    this.debug('matchOne loop');
+    var p = pattern[pi];
+    var f = file[fi];
+    this.debug(pattern, p, f); // should be impossible.
+    // some invalid regexp stuff in the set.
+
+    if (p === false) return false;
+
+    if (p === GLOBSTAR) {
+      this.debug('GLOBSTAR', [pattern, p, f]); // "**"
+      // a/**/b/**/c would match the following:
+      // a/b/x/y/z/c
+      // a/x/y/z/b/c
+      // a/b/x/b/x/c
+      // a/b/c
+      // To do this, take the rest of the pattern after
+      // the **, and see if it would match the file remainder.
+      // If so, return success.
+      // If not, the ** "swallows" a segment, and try again.
+      // This is recursively awful.
+      //
+      // a/**/b/**/c matching a/b/x/y/z/c
+      // - a matches a
+      // - doublestar
+      //   - matchOne(b/x/y/z/c, b/**/c)
+      //     - b matches b
+      //     - doublestar
+      //       - matchOne(x/y/z/c, c) -> no
+      //       - matchOne(y/z/c, c) -> no
+      //       - matchOne(z/c, c) -> no
+      //       - matchOne(c, c) yes, hit
+
+      var fr = fi;
+      var pr = pi + 1;
+
+      if (pr === pl) {
+        this.debug('** at the end'); // a ** at the end will just swallow the rest.
+        // We have found a match.
+        // however, it will not swallow /.x, unless
+        // options.dot is set.
+        // . and .. are *never* matched by **, for explosively
+        // exponential reasons.
+
+        for (; fi < fl; fi++) {
+          if (file[fi] === '.' || file[fi] === '..' || !options.dot && file[fi].charAt(0) === '.') return false;
+        }
+
+        return true;
+      } // ok, let's see if we can swallow whatever we can.
+
+
+      while (fr < fl) {
+        var swallowee = file[fr];
+        this.debug('\nglobstar while', file, fr, pattern, pr, swallowee); // XXX remove this slice.  Just pass the start index.
+
+        if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
+          this.debug('globstar found match!', fr, fl, swallowee); // found a match.
+
+          return true;
+        } else {
+          // can't swallow "." or ".." ever.
+          // can only swallow ".foo" when explicitly asked.
+          if (swallowee === '.' || swallowee === '..' || !options.dot && swallowee.charAt(0) === '.') {
+            this.debug('dot detected!', file, fr, pattern, pr);
+            break;
+          } // ** swallows a segment, and continue.
+
+
+          this.debug('globstar swallow a segment, and continue');
+          fr++;
+        }
+      } // no match was found.
+      // However, in partial mode, we can't say this is necessarily over.
+      // If there's more *pattern* left, then
+
+
+      if (partial) {
+        // ran out of file
+        this.debug('\n>>> no match, partial?', file, fr, pattern, pr);
+        if (fr === fl) return true;
+      }
+
+      return false;
+    } // something other than **
+    // non-magic patterns just have to match exactly
+    // patterns with magic have been turned into regexps.
+
+
+    var hit;
+
+    if (typeof p === 'string') {
+      if (options.nocase) {
+        hit = f.toLowerCase() === p.toLowerCase();
+      } else {
+        hit = f === p;
+      }
+
+      this.debug('string match', p, f, hit);
+    } else {
+      hit = f.match(p);
+      this.debug('pattern match', p, f, hit);
+    }
+
+    if (!hit) return false;
+  } // Note: ending in / means that we'll get a final ""
+  // at the end of the pattern.  This can only match a
+  // corresponding "" at the end of the file.
+  // If the file ends in /, then it can only match a
+  // a pattern that ends in /, unless the pattern just
+  // doesn't have any more for it. But, a/b/ should *not*
+  // match "a/b/*", even though "" matches against the
+  // [^/]*? pattern, except in partial mode, where it might
+  // simply not be reached yet.
+  // However, a/b/ should still satisfy a/*
+  // now either we fell off the end of the pattern, or we're done.
+
+
+  if (fi === fl && pi === pl) {
+    // ran out of pattern and filename at the same time.
+    // an exact hit!
+    return true;
+  } else if (fi === fl) {
+    // ran out of file, but still had pattern left.
+    // this is ok if we're doing the match as part of
+    // a glob fs traversal.
+    return partial;
+  } else if (pi === pl) {
+    // ran out of pattern, still have file left.
+    // this is only acceptable if we're on the very last
+    // empty segment of a file with a trailing slash.
+    // a/* should match a/b/
+    var emptyFileEnd = fi === fl - 1 && file[fi] === '';
+    return emptyFileEnd;
+  } // should be unreachable.
+
+
+  throw new Error('wtf?');
+}; // replace stuff like \* with *
+
+
+function globUnescape(s) {
+  return s.replace(/\\(.)/g, '$1');
+}
+
+function regExpEscape(s) {
+  return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
+}
+
+/***/ }),
+/* 845 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var concatMap = __webpack_require__(846);
+
+var balanced = __webpack_require__(847);
+
+module.exports = expandTop;
+var escSlash = '\0SLASH' + Math.random() + '\0';
+var escOpen = '\0OPEN' + Math.random() + '\0';
+var escClose = '\0CLOSE' + Math.random() + '\0';
+var escComma = '\0COMMA' + Math.random() + '\0';
+var escPeriod = '\0PERIOD' + Math.random() + '\0';
+
+function numeric(str) {
+  return parseInt(str, 10) == str ? parseInt(str, 10) : str.charCodeAt(0);
+}
+
+function escapeBraces(str) {
+  return str.split('\\\\').join(escSlash).split('\\{').join(escOpen).split('\\}').join(escClose).split('\\,').join(escComma).split('\\.').join(escPeriod);
+}
+
+function unescapeBraces(str) {
+  return str.split(escSlash).join('\\').split(escOpen).join('{').split(escClose).join('}').split(escComma).join(',').split(escPeriod).join('.');
+} // Basically just str.split(","), but handling cases
+// where we have nested braced sections, which should be
+// treated as individual members, like {a,{b,c},d}
+
+
+function parseCommaParts(str) {
+  if (!str) return [''];
+  var parts = [];
+  var m = balanced('{', '}', str);
+  if (!m) return str.split(',');
+  var pre = m.pre;
+  var body = m.body;
+  var post = m.post;
+  var p = pre.split(',');
+  p[p.length - 1] += '{' + body + '}';
+  var postParts = parseCommaParts(post);
+
+  if (post.length) {
+    p[p.length - 1] += postParts.shift();
+    p.push.apply(p, postParts);
+  }
+
+  parts.push.apply(parts, p);
+  return parts;
+}
+
+function expandTop(str) {
+  if (!str) return []; // I don't know why Bash 4.3 does this, but it does.
+  // Anything starting with {} will have the first two bytes preserved
+  // but *only* at the top level, so {},a}b will not expand to anything,
+  // but a{},b}c will be expanded to [a}c,abc].
+  // One could argue that this is a bug in Bash, but since the goal of
+  // this module is to match Bash's rules, we escape a leading {}
+
+  if (str.substr(0, 2) === '{}') {
+    str = '\\{\\}' + str.substr(2);
+  }
+
+  return expand(escapeBraces(str), true).map(unescapeBraces);
+}
+
+function identity(e) {
+  return e;
+}
+
+function embrace(str) {
+  return '{' + str + '}';
+}
+
+function isPadded(el) {
+  return /^-?0\d/.test(el);
+}
+
+function lte(i, y) {
+  return i <= y;
+}
+
+function gte(i, y) {
+  return i >= y;
+}
+
+function expand(str, isTop) {
+  var expansions = [];
+  var m = balanced('{', '}', str);
+  if (!m || /\$$/.test(m.pre)) return [str];
+  var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
+  var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
+  var isSequence = isNumericSequence || isAlphaSequence;
+  var isOptions = m.body.indexOf(',') >= 0;
+
+  if (!isSequence && !isOptions) {
+    // {a},b}
+    if (m.post.match(/,.*\}/)) {
+      str = m.pre + '{' + m.body + escClose + m.post;
+      return expand(str);
+    }
+
+    return [str];
+  }
+
+  var n;
+
+  if (isSequence) {
+    n = m.body.split(/\.\./);
+  } else {
+    n = parseCommaParts(m.body);
+
+    if (n.length === 1) {
+      // x{{a,b}}y ==> x{a}y x{b}y
+      n = expand(n[0], false).map(embrace);
+
+      if (n.length === 1) {
+        var post = m.post.length ? expand(m.post, false) : [''];
+        return post.map(function (p) {
+          return m.pre + n[0] + p;
+        });
+      }
+    }
+  } // at this point, n is the parts, and we know it's not a comma set
+  // with a single entry.
+  // no need to expand pre, since it is guaranteed to be free of brace-sets
+
+
+  var pre = m.pre;
+  var post = m.post.length ? expand(m.post, false) : [''];
+  var N;
+
+  if (isSequence) {
+    var x = numeric(n[0]);
+    var y = numeric(n[1]);
+    var width = Math.max(n[0].length, n[1].length);
+    var incr = n.length == 3 ? Math.abs(numeric(n[2])) : 1;
+    var test = lte;
+    var reverse = y < x;
+
+    if (reverse) {
+      incr *= -1;
+      test = gte;
+    }
+
+    var pad = n.some(isPadded);
+    N = [];
+
+    for (var i = x; test(i, y); i += incr) {
+      var c;
+
+      if (isAlphaSequence) {
+        c = String.fromCharCode(i);
+        if (c === '\\') c = '';
+      } else {
+        c = String(i);
+
+        if (pad) {
+          var need = width - c.length;
+
+          if (need > 0) {
+            var z = new Array(need + 1).join('0');
+            if (i < 0) c = '-' + z + c.slice(1);else c = z + c;
+          }
+        }
+      }
+
+      N.push(c);
+    }
+  } else {
+    N = concatMap(n, function (el) {
+      return expand(el, false);
+    });
+  }
+
+  for (var j = 0; j < N.length; j++) {
+    for (var k = 0; k < post.length; k++) {
+      var expansion = pre + N[j] + post[k];
+      if (!isTop || isSequence || expansion) expansions.push(expansion);
+    }
+  }
+
+  return expansions;
+}
+
+/***/ }),
+/* 846 */
+/***/ (function(module, exports) {
+
+module.exports = function (xs, fn) {
+  var res = [];
+
+  for (var i = 0; i < xs.length; i++) {
+    var x = fn(xs[i], i);
+    if (isArray(x)) res.push.apply(res, x);else res.push(x);
+  }
+
+  return res;
+};
+
+var isArray = Array.isArray || function (xs) {
+  return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+/***/ }),
+/* 847 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = balanced;
+
+function balanced(a, b, str) {
+  if (a instanceof RegExp) a = maybeMatch(a, str);
+  if (b instanceof RegExp) b = maybeMatch(b, str);
+  var r = range(a, b, str);
+  return r && {
+    start: r[0],
+    end: r[1],
+    pre: str.slice(0, r[0]),
+    body: str.slice(r[0] + a.length, r[1]),
+    post: str.slice(r[1] + b.length)
+  };
+}
+
+function maybeMatch(reg, str) {
+  var m = str.match(reg);
+  return m ? m[0] : null;
+}
+
+balanced.range = range;
+
+function range(a, b, str) {
+  var begs, beg, left, right, result;
+  var ai = str.indexOf(a);
+  var bi = str.indexOf(b, ai + 1);
+  var i = ai;
+
+  if (ai >= 0 && bi > 0) {
+    begs = [];
+    left = str.length;
+
+    while (i >= 0 && !result) {
+      if (i == ai) {
+        begs.push(i);
+        ai = str.indexOf(a, i + 1);
+      } else if (begs.length == 1) {
+        result = [begs.pop(), bi];
+      } else {
+        beg = begs.pop();
+
+        if (beg < left) {
+          left = beg;
+          right = bi;
+        }
+
+        bi = str.indexOf(b, i + 1);
+      }
+
+      i = ai < bi && ai >= 0 ? ai : bi;
+    }
+
+    if (begs.length) {
+      result = [left, right];
+    }
+  }
+
+  return result;
+}
+
+/***/ }),
+/* 848 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var yaml = __webpack_require__(849);
+
+module.exports = yaml;
+
+/***/ }),
+/* 849 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var loader = __webpack_require__(850);
+
+var dumper = __webpack_require__(879);
+
+function deprecated(name) {
+  return function () {
+    throw new Error('Function ' + name + ' is deprecated and cannot be used.');
+  };
+}
+
+module.exports.Type = __webpack_require__(856);
+module.exports.Schema = __webpack_require__(855);
+module.exports.FAILSAFE_SCHEMA = __webpack_require__(859);
+module.exports.JSON_SCHEMA = __webpack_require__(858);
+module.exports.CORE_SCHEMA = __webpack_require__(857);
+module.exports.DEFAULT_SAFE_SCHEMA = __webpack_require__(854);
+module.exports.DEFAULT_FULL_SCHEMA = __webpack_require__(874);
+module.exports.load = loader.load;
+module.exports.loadAll = loader.loadAll;
+module.exports.safeLoad = loader.safeLoad;
+module.exports.safeLoadAll = loader.safeLoadAll;
+module.exports.dump = dumper.dump;
+module.exports.safeDump = dumper.safeDump;
+module.exports.YAMLException = __webpack_require__(852); // Deprecated schema names from JS-YAML 2.0.x
+
+module.exports.MINIMAL_SCHEMA = __webpack_require__(859);
+module.exports.SAFE_SCHEMA = __webpack_require__(854);
+module.exports.DEFAULT_SCHEMA = __webpack_require__(874); // Deprecated functions from JS-YAML 1.x.x
+
+module.exports.scan = deprecated('scan');
+module.exports.parse = deprecated('parse');
+module.exports.compose = deprecated('compose');
+module.exports.addConstructor = deprecated('addConstructor');
+
+/***/ }),
+/* 850 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+/*eslint-disable max-len,no-use-before-define*/
+
+var common = __webpack_require__(851);
+
+var YAMLException = __webpack_require__(852);
+
+var Mark = __webpack_require__(853);
+
+var DEFAULT_SAFE_SCHEMA = __webpack_require__(854);
+
+var DEFAULT_FULL_SCHEMA = __webpack_require__(874);
+
+var _hasOwnProperty = Object.prototype.hasOwnProperty;
+var CONTEXT_FLOW_IN = 1;
+var CONTEXT_FLOW_OUT = 2;
+var CONTEXT_BLOCK_IN = 3;
+var CONTEXT_BLOCK_OUT = 4;
+var CHOMPING_CLIP = 1;
+var CHOMPING_STRIP = 2;
+var CHOMPING_KEEP = 3;
+var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
+var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
+var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/;
+var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i;
+var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;
+
+function _class(obj) {
+  return Object.prototype.toString.call(obj);
+}
+
+function is_EOL(c) {
+  return c === 0x0A
+  /* LF */
+  || c === 0x0D
+  /* CR */
+  ;
+}
+
+function is_WHITE_SPACE(c) {
+  return c === 0x09
+  /* Tab */
+  || c === 0x20
+  /* Space */
+  ;
+}
+
+function is_WS_OR_EOL(c) {
+  return c === 0x09
+  /* Tab */
+  || c === 0x20
+  /* Space */
+  || c === 0x0A
+  /* LF */
+  || c === 0x0D
+  /* CR */
+  ;
+}
+
+function is_FLOW_INDICATOR(c) {
+  return c === 0x2C
+  /* , */
+  || c === 0x5B
+  /* [ */
+  || c === 0x5D
+  /* ] */
+  || c === 0x7B
+  /* { */
+  || c === 0x7D
+  /* } */
+  ;
+}
+
+function fromHexCode(c) {
+  var lc;
+
+  if (0x30
+  /* 0 */
+  <= c && c <= 0x39
+  /* 9 */
+  ) {
+    return c - 0x30;
+  }
+  /*eslint-disable no-bitwise*/
+
+
+  lc = c | 0x20;
+
+  if (0x61
+  /* a */
+  <= lc && lc <= 0x66
+  /* f */
+  ) {
+    return lc - 0x61 + 10;
+  }
+
+  return -1;
+}
+
+function escapedHexLen(c) {
+  if (c === 0x78
+  /* x */
+  ) {
+      return 2;
+    }
+
+  if (c === 0x75
+  /* u */
+  ) {
+      return 4;
+    }
+
+  if (c === 0x55
+  /* U */
+  ) {
+      return 8;
+    }
+
+  return 0;
+}
+
+function fromDecimalCode(c) {
+  if (0x30
+  /* 0 */
+  <= c && c <= 0x39
+  /* 9 */
+  ) {
+    return c - 0x30;
+  }
+
+  return -1;
+}
+
+function simpleEscapeSequence(c) {
+  /* eslint-disable indent */
+  return c === 0x30
+  /* 0 */
+  ? '\x00' : c === 0x61
+  /* a */
+  ? '\x07' : c === 0x62
+  /* b */
+  ? '\x08' : c === 0x74
+  /* t */
+  ? '\x09' : c === 0x09
+  /* Tab */
+  ? '\x09' : c === 0x6E
+  /* n */
+  ? '\x0A' : c === 0x76
+  /* v */
+  ? '\x0B' : c === 0x66
+  /* f */
+  ? '\x0C' : c === 0x72
+  /* r */
+  ? '\x0D' : c === 0x65
+  /* e */
+  ? '\x1B' : c === 0x20
+  /* Space */
+  ? ' ' : c === 0x22
+  /* " */
+  ? '\x22' : c === 0x2F
+  /* / */
+  ? '/' : c === 0x5C
+  /* \ */
+  ? '\x5C' : c === 0x4E
+  /* N */
+  ? '\x85' : c === 0x5F
+  /* _ */
+  ? '\xA0' : c === 0x4C
+  /* L */
+  ? '\u2028' : c === 0x50
+  /* P */
+  ? '\u2029' : '';
+}
+
+function charFromCodepoint(c) {
+  if (c <= 0xFFFF) {
+    return String.fromCharCode(c);
+  } // Encode UTF-16 surrogate pair
+  // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
+
+
+  return String.fromCharCode((c - 0x010000 >> 10) + 0xD800, (c - 0x010000 & 0x03FF) + 0xDC00);
+}
+
+var simpleEscapeCheck = new Array(256); // integer, for fast access
+
+var simpleEscapeMap = new Array(256);
+
+for (var i = 0; i < 256; i++) {
+  simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;
+  simpleEscapeMap[i] = simpleEscapeSequence(i);
+}
+
+function State(input, options) {
+  this.input = input;
+  this.filename = options['filename'] || null;
+  this.schema = options['schema'] || DEFAULT_FULL_SCHEMA;
+  this.onWarning = options['onWarning'] || null;
+  this.legacy = options['legacy'] || false;
+  this.json = options['json'] || false;
+  this.listener = options['listener'] || null;
+  this.implicitTypes = this.schema.compiledImplicit;
+  this.typeMap = this.schema.compiledTypeMap;
+  this.length = input.length;
+  this.position = 0;
+  this.line = 0;
+  this.lineStart = 0;
+  this.lineIndent = 0;
+  this.documents = [];
+  /*
+  this.version;
+  this.checkLineBreaks;
+  this.tagMap;
+  this.anchorMap;
+  this.tag;
+  this.anchor;
+  this.kind;
+  this.result;*/
+}
+
+function generateError(state, message) {
+  return new YAMLException(message, new Mark(state.filename, state.input, state.position, state.line, state.position - state.lineStart));
+}
+
+function throwError(state, message) {
+  throw generateError(state, message);
+}
+
+function throwWarning(state, message) {
+  if (state.onWarning) {
+    state.onWarning.call(null, generateError(state, message));
+  }
+}
+
+var directiveHandlers = {
+  YAML: function handleYamlDirective(state, name, args) {
+    var match, major, minor;
+
+    if (state.version !== null) {
+      throwError(state, 'duplication of %YAML directive');
+    }
+
+    if (args.length !== 1) {
+      throwError(state, 'YAML directive accepts exactly one argument');
+    }
+
+    match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);
+
+    if (match === null) {
+      throwError(state, 'ill-formed argument of the YAML directive');
+    }
+
+    major = parseInt(match[1], 10);
+    minor = parseInt(match[2], 10);
+
+    if (major !== 1) {
+      throwError(state, 'unacceptable YAML version of the document');
+    }
+
+    state.version = args[0];
+    state.checkLineBreaks = minor < 2;
+
+    if (minor !== 1 && minor !== 2) {
+      throwWarning(state, 'unsupported YAML version of the document');
+    }
+  },
+  TAG: function handleTagDirective(state, name, args) {
+    var handle, prefix;
+
+    if (args.length !== 2) {
+      throwError(state, 'TAG directive accepts exactly two arguments');
+    }
+
+    handle = args[0];
+    prefix = args[1];
+
+    if (!PATTERN_TAG_HANDLE.test(handle)) {
+      throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
+    }
+
+    if (_hasOwnProperty.call(state.tagMap, handle)) {
+      throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
+    }
+
+    if (!PATTERN_TAG_URI.test(prefix)) {
+      throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
+    }
+
+    state.tagMap[handle] = prefix;
+  }
+};
+
+function captureSegment(state, start, end, checkJson) {
+  var _position, _length, _character, _result;
+
+  if (start < end) {
+    _result = state.input.slice(start, end);
+
+    if (checkJson) {
+      for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
+        _character = _result.charCodeAt(_position);
+
+        if (!(_character === 0x09 || 0x20 <= _character && _character <= 0x10FFFF)) {
+          throwError(state, 'expected valid JSON character');
+        }
+      }
+    } else if (PATTERN_NON_PRINTABLE.test(_result)) {
+      throwError(state, 'the stream contains non-printable characters');
+    }
+
+    state.result += _result;
+  }
+}
+
+function mergeMappings(state, destination, source, overridableKeys) {
+  var sourceKeys, key, index, quantity;
+
+  if (!common.isObject(source)) {
+    throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
+  }
+
+  sourceKeys = Object.keys(source);
+
+  for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
+    key = sourceKeys[index];
+
+    if (!_hasOwnProperty.call(destination, key)) {
+      destination[key] = source[key];
+      overridableKeys[key] = true;
+    }
+  }
+}
+
+function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) {
+  var index, quantity; // The output is a plain object here, so keys can only be strings.
+  // We need to convert keyNode to a string, but doing so can hang the process
+  // (deeply nested arrays that explode exponentially using aliases).
+
+  if (Array.isArray(keyNode)) {
+    keyNode = Array.prototype.slice.call(keyNode);
+
+    for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {
+      if (Array.isArray(keyNode[index])) {
+        throwError(state, 'nested arrays are not supported inside keys');
+      }
+
+      if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {
+        keyNode[index] = '[object Object]';
+      }
+    }
+  } // Avoid code execution in load() via toString property
+  // (still use its own toString for arrays, timestamps,
+  // and whatever user schema extensions happen to have @@toStringTag)
+
+
+  if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {
+    keyNode = '[object Object]';
+  }
+
+  keyNode = String(keyNode);
+
+  if (_result === null) {
+    _result = {};
+  }
+
+  if (keyTag === 'tag:yaml.org,2002:merge') {
+    if (Array.isArray(valueNode)) {
+      for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
+        mergeMappings(state, _result, valueNode[index], overridableKeys);
+      }
+    } else {
+      mergeMappings(state, _result, valueNode, overridableKeys);
+    }
+  } else {
+    if (!state.json && !_hasOwnProperty.call(overridableKeys, keyNode) && _hasOwnProperty.call(_result, keyNode)) {
+      state.line = startLine || state.line;
+      state.position = startPos || state.position;
+      throwError(state, 'duplicated mapping key');
+    }
+
+    _result[keyNode] = valueNode;
+    delete overridableKeys[keyNode];
+  }
+
+  return _result;
+}
+
+function readLineBreak(state) {
+  var ch;
+  ch = state.input.charCodeAt(state.position);
+
+  if (ch === 0x0A
+  /* LF */
+  ) {
+      state.position++;
+    } else if (ch === 0x0D
+  /* CR */
+  ) {
+      state.position++;
+
+      if (state.input.charCodeAt(state.position) === 0x0A
+      /* LF */
+      ) {
+          state.position++;
+        }
+    } else {
+    throwError(state, 'a line break is expected');
+  }
+
+  state.line += 1;
+  state.lineStart = state.position;
+}
+
+function skipSeparationSpace(state, allowComments, checkIndent) {
+  var lineBreaks = 0,
+      ch = state.input.charCodeAt(state.position);
+
+  while (ch !== 0) {
+    while (is_WHITE_SPACE(ch)) {
+      ch = state.input.charCodeAt(++state.position);
+    }
+
+    if (allowComments && ch === 0x23
+    /* # */
+    ) {
+        do {
+          ch = state.input.charCodeAt(++state.position);
+        } while (ch !== 0x0A
+        /* LF */
+        && ch !== 0x0D
+        /* CR */
+        && ch !== 0);
+      }
+
+    if (is_EOL(ch)) {
+      readLineBreak(state);
+      ch = state.input.charCodeAt(state.position);
+      lineBreaks++;
+      state.lineIndent = 0;
+
+      while (ch === 0x20
+      /* Space */
+      ) {
+        state.lineIndent++;
+        ch = state.input.charCodeAt(++state.position);
+      }
+    } else {
+      break;
+    }
+  }
+
+  if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
+    throwWarning(state, 'deficient indentation');
+  }
+
+  return lineBreaks;
+}
+
+function testDocumentSeparator(state) {
+  var _position = state.position,
+      ch;
+  ch = state.input.charCodeAt(_position); // Condition state.position === state.lineStart is tested
+  // in parent on each call, for efficiency. No needs to test here again.
+
+  if ((ch === 0x2D
+  /* - */
+  || ch === 0x2E
+  /* . */
+  ) && ch === state.input.charCodeAt(_position + 1) && ch === state.input.charCodeAt(_position + 2)) {
+    _position += 3;
+    ch = state.input.charCodeAt(_position);
+
+    if (ch === 0 || is_WS_OR_EOL(ch)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+function writeFoldedLines(state, count) {
+  if (count === 1) {
+    state.result += ' ';
+  } else if (count > 1) {
+    state.result += common.repeat('\n', count - 1);
+  }
+}
+
+function readPlainScalar(state, nodeIndent, withinFlowCollection) {
+  var preceding,
+      following,
+      captureStart,
+      captureEnd,
+      hasPendingContent,
+      _line,
+      _lineStart,
+      _lineIndent,
+      _kind = state.kind,
+      _result = state.result,
+      ch;
+
+  ch = state.input.charCodeAt(state.position);
+
+  if (is_WS_OR_EOL(ch) || is_FLOW_INDICATOR(ch) || ch === 0x23
+  /* # */
+  || ch === 0x26
+  /* & */
+  || ch === 0x2A
+  /* * */
+  || ch === 0x21
+  /* ! */
+  || ch === 0x7C
+  /* | */
+  || ch === 0x3E
+  /* > */
+  || ch === 0x27
+  /* ' */
+  || ch === 0x22
+  /* " */
+  || ch === 0x25
+  /* % */
+  || ch === 0x40
+  /* @ */
+  || ch === 0x60
+  /* ` */
+  ) {
+      return false;
+    }
+
+  if (ch === 0x3F
+  /* ? */
+  || ch === 0x2D
+  /* - */
+  ) {
+      following = state.input.charCodeAt(state.position + 1);
+
+      if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) {
+        return false;
+      }
+    }
+
+  state.kind = 'scalar';
+  state.result = '';
+  captureStart = captureEnd = state.position;
+  hasPendingContent = false;
+
+  while (ch !== 0) {
+    if (ch === 0x3A
+    /* : */
+    ) {
+        following = state.input.charCodeAt(state.position + 1);
+
+        if (is_WS_OR_EOL(following) || withinFlowCollection && is_FLOW_INDICATOR(following)) {
+          break;
+        }
+      } else if (ch === 0x23
+    /* # */
+    ) {
+        preceding = state.input.charCodeAt(state.position - 1);
+
+        if (is_WS_OR_EOL(preceding)) {
+          break;
+        }
+      } else if (state.position === state.lineStart && testDocumentSeparator(state) || withinFlowCollection && is_FLOW_INDICATOR(ch)) {
+      break;
+    } else if (is_EOL(ch)) {
+      _line = state.line;
+      _lineStart = state.lineStart;
+      _lineIndent = state.lineIndent;
+      skipSeparationSpace(state, false, -1);
+
+      if (state.lineIndent >= nodeIndent) {
+        hasPendingContent = true;
+        ch = state.input.charCodeAt(state.position);
+        continue;
+      } else {
+        state.position = captureEnd;
+        state.line = _line;
+        state.lineStart = _lineStart;
+        state.lineIndent = _lineIndent;
+        break;
+      }
+    }
+
+    if (hasPendingContent) {
+      captureSegment(state, captureStart, captureEnd, false);
+      writeFoldedLines(state, state.line - _line);
+      captureStart = captureEnd = state.position;
+      hasPendingContent = false;
+    }
+
+    if (!is_WHITE_SPACE(ch)) {
+      captureEnd = state.position + 1;
+    }
+
+    ch = state.input.charCodeAt(++state.position);
+  }
+
+  captureSegment(state, captureStart, captureEnd, false);
+
+  if (state.result) {
+    return true;
+  }
+
+  state.kind = _kind;
+  state.result = _result;
+  return false;
+}
+
+function readSingleQuotedScalar(state, nodeIndent) {
+  var ch, captureStart, captureEnd;
+  ch = state.input.charCodeAt(state.position);
+
+  if (ch !== 0x27
+  /* ' */
+  ) {
+      return false;
+    }
+
+  state.kind = 'scalar';
+  state.result = '';
+  state.position++;
+  captureStart = captureEnd = state.position;
+
+  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
+    if (ch === 0x27
+    /* ' */
+    ) {
+        captureSegment(state, captureStart, state.position, true);
+        ch = state.input.charCodeAt(++state.position);
+
+        if (ch === 0x27
+        /* ' */
+        ) {
+            captureStart = state.position;
+            state.position++;
+            captureEnd = state.position;
+          } else {
+          return true;
+        }
+      } else if (is_EOL(ch)) {
+      captureSegment(state, captureStart, captureEnd, true);
+      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
+      captureStart = captureEnd = state.position;
+    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
+      throwError(state, 'unexpected end of the document within a single quoted scalar');
+    } else {
+      state.position++;
+      captureEnd = state.position;
+    }
+  }
+
+  throwError(state, 'unexpected end of the stream within a single quoted scalar');
+}
+
+function readDoubleQuotedScalar(state, nodeIndent) {
+  var captureStart, captureEnd, hexLength, hexResult, tmp, ch;
+  ch = state.input.charCodeAt(state.position);
+
+  if (ch !== 0x22
+  /* " */
+  ) {
+      return false;
+    }
+
+  state.kind = 'scalar';
+  state.result = '';
+  state.position++;
+  captureStart = captureEnd = state.position;
+
+  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
+    if (ch === 0x22
+    /* " */
+    ) {
+        captureSegment(state, captureStart, state.position, true);
+        state.position++;
+        return true;
+      } else if (ch === 0x5C
+    /* \ */
+    ) {
+        captureSegment(state, captureStart, state.position, true);
+        ch = state.input.charCodeAt(++state.position);
+
+        if (is_EOL(ch)) {
+          skipSeparationSpace(state, false, nodeIndent); // TODO: rework to inline fn with no type cast?
+        } else if (ch < 256 && simpleEscapeCheck[ch]) {
+          state.result += simpleEscapeMap[ch];
+          state.position++;
+        } else if ((tmp = escapedHexLen(ch)) > 0) {
+          hexLength = tmp;
+          hexResult = 0;
+
+          for (; hexLength > 0; hexLength--) {
+            ch = state.input.charCodeAt(++state.position);
+
+            if ((tmp = fromHexCode(ch)) >= 0) {
+              hexResult = (hexResult << 4) + tmp;
+            } else {
+              throwError(state, 'expected hexadecimal character');
+            }
+          }
+
+          state.result += charFromCodepoint(hexResult);
+          state.position++;
+        } else {
+          throwError(state, 'unknown escape sequence');
+        }
+
+        captureStart = captureEnd = state.position;
+      } else if (is_EOL(ch)) {
+      captureSegment(state, captureStart, captureEnd, true);
+      writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
+      captureStart = captureEnd = state.position;
+    } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
+      throwError(state, 'unexpected end of the document within a double quoted scalar');
+    } else {
+      state.position++;
+      captureEnd = state.position;
+    }
+  }
+
+  throwError(state, 'unexpected end of the stream within a double quoted scalar');
+}
+
+function readFlowCollection(state, nodeIndent) {
+  var readNext = true,
+      _line,
+      _tag = state.tag,
+      _result,
+      _anchor = state.anchor,
+      following,
+      terminator,
+      isPair,
+      isExplicitPair,
+      isMapping,
+      overridableKeys = {},
+      keyNode,
+      keyTag,
+      valueNode,
+      ch;
+
+  ch = state.input.charCodeAt(state.position);
+
+  if (ch === 0x5B
+  /* [ */
+  ) {
+      terminator = 0x5D;
+      /* ] */
+
+      isMapping = false;
+      _result = [];
+    } else if (ch === 0x7B
+  /* { */
+  ) {
+      terminator = 0x7D;
+      /* } */
+
+      isMapping = true;
+      _result = {};
+    } else {
+    return false;
+  }
+
+  if (state.anchor !== null) {
+    state.anchorMap[state.anchor] = _result;
+  }
+
+  ch = state.input.charCodeAt(++state.position);
+
+  while (ch !== 0) {
+    skipSeparationSpace(state, true, nodeIndent);
+    ch = state.input.charCodeAt(state.position);
+
+    if (ch === terminator) {
+      state.position++;
+      state.tag = _tag;
+      state.anchor = _anchor;
+      state.kind = isMapping ? 'mapping' : 'sequence';
+      state.result = _result;
+      return true;
+    } else if (!readNext) {
+      throwError(state, 'missed comma between flow collection entries');
+    }
+
+    keyTag = keyNode = valueNode = null;
+    isPair = isExplicitPair = false;
+
+    if (ch === 0x3F
+    /* ? */
+    ) {
+        following = state.input.charCodeAt(state.position + 1);
+
+        if (is_WS_OR_EOL(following)) {
+          isPair = isExplicitPair = true;
+          state.position++;
+          skipSeparationSpace(state, true, nodeIndent);
+        }
+      }
+
+    _line = state.line;
+    composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
+    keyTag = state.tag;
+    keyNode = state.result;
+    skipSeparationSpace(state, true, nodeIndent);
+    ch = state.input.charCodeAt(state.position);
+
+    if ((isExplicitPair || state.line === _line) && ch === 0x3A
+    /* : */
+    ) {
+        isPair = true;
+        ch = state.input.charCodeAt(++state.position);
+        skipSeparationSpace(state, true, nodeIndent);
+        composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
+        valueNode = state.result;
+      }
+
+    if (isMapping) {
+      storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode);
+    } else if (isPair) {
+      _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode));
+    } else {
+      _result.push(keyNode);
+    }
+
+    skipSeparationSpace(state, true, nodeIndent);
+    ch = state.input.charCodeAt(state.position);
+
+    if (ch === 0x2C
+    /* , */
+    ) {
+        readNext = true;
+        ch = state.input.charCodeAt(++state.position);
+      } else {
+      readNext = false;
+    }
+  }
+
+  throwError(state, 'unexpected end of the stream within a flow collection');
+}
+
+function readBlockScalar(state, nodeIndent) {
+  var captureStart,
+      folding,
+      chomping = CHOMPING_CLIP,
+      didReadContent = false,
+      detectedIndent = false,
+      textIndent = nodeIndent,
+      emptyLines = 0,
+      atMoreIndented = false,
+      tmp,
+      ch;
+  ch = state.input.charCodeAt(state.position);
+
+  if (ch === 0x7C
+  /* | */
+  ) {
+      folding = false;
+    } else if (ch === 0x3E
+  /* > */
+  ) {
+      folding = true;
+    } else {
+    return false;
+  }
+
+  state.kind = 'scalar';
+  state.result = '';
+
+  while (ch !== 0) {
+    ch = state.input.charCodeAt(++state.position);
+
+    if (ch === 0x2B
+    /* + */
+    || ch === 0x2D
+    /* - */
+    ) {
+        if (CHOMPING_CLIP === chomping) {
+          chomping = ch === 0x2B
+          /* + */
+          ? CHOMPING_KEEP : CHOMPING_STRIP;
+        } else {
+          throwError(state, 'repeat of a chomping mode identifier');
+        }
+      } else if ((tmp = fromDecimalCode(ch)) >= 0) {
+      if (tmp === 0) {
+        throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
+      } else if (!detectedIndent) {
+        textIndent = nodeIndent + tmp - 1;
+        detectedIndent = true;
+      } else {
+        throwError(state, 'repeat of an indentation width identifier');
+      }
+    } else {
+      break;
+    }
+  }
+
+  if (is_WHITE_SPACE(ch)) {
+    do {
+      ch = state.input.charCodeAt(++state.position);
+    } while (is_WHITE_SPACE(ch));
+
+    if (ch === 0x23
+    /* # */
+    ) {
+        do {
+          ch = state.input.charCodeAt(++state.position);
+        } while (!is_EOL(ch) && ch !== 0);
+      }
+  }
+
+  while (ch !== 0) {
+    readLineBreak(state);
+    state.lineIndent = 0;
+    ch = state.input.charCodeAt(state.position);
+
+    while ((!detectedIndent || state.lineIndent < textIndent) && ch === 0x20
+    /* Space */
+    ) {
+      state.lineIndent++;
+      ch = state.input.charCodeAt(++state.position);
+    }
+
+    if (!detectedIndent && state.lineIndent > textIndent) {
+      textIndent = state.lineIndent;
+    }
+
+    if (is_EOL(ch)) {
+      emptyLines++;
+      continue;
+    } // End of the scalar.
+
+
+    if (state.lineIndent < textIndent) {
+      // Perform the chomping.
+      if (chomping === CHOMPING_KEEP) {
+        state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
+      } else if (chomping === CHOMPING_CLIP) {
+        if (didReadContent) {
+          // i.e. only if the scalar is not empty.
+          state.result += '\n';
+        }
+      } // Break this `while` cycle and go to the funciton's epilogue.
+
+
+      break;
+    } // Folded style: use fancy rules to handle line breaks.
+
+
+    if (folding) {
+      // Lines starting with white space characters (more-indented lines) are not folded.
+      if (is_WHITE_SPACE(ch)) {
+        atMoreIndented = true; // except for the first content line (cf. Example 8.1)
+
+        state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); // End of more-indented block.
+      } else if (atMoreIndented) {
+        atMoreIndented = false;
+        state.result += common.repeat('\n', emptyLines + 1); // Just one line break - perceive as the same line.
+      } else if (emptyLines === 0) {
+        if (didReadContent) {
+          // i.e. only if we have already read some scalar content.
+          state.result += ' ';
+        } // Several line breaks - perceive as different lines.
+
+      } else {
+        state.result += common.repeat('\n', emptyLines);
+      } // Literal style: just add exact number of line breaks between content lines.
+
+    } else {
+      // Keep all line breaks except the header line break.
+      state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
+    }
+
+    didReadContent = true;
+    detectedIndent = true;
+    emptyLines = 0;
+    captureStart = state.position;
+
+    while (!is_EOL(ch) && ch !== 0) {
+      ch = state.input.charCodeAt(++state.position);
+    }
+
+    captureSegment(state, captureStart, state.position, false);
+  }
+
+  return true;
+}
+
+function readBlockSequence(state, nodeIndent) {
+  var _line,
+      _tag = state.tag,
+      _anchor = state.anchor,
+      _result = [],
+      following,
+      detected = false,
+      ch;
+
+  if (state.anchor !== null) {
+    state.anchorMap[state.anchor] = _result;
+  }
+
+  ch = state.input.charCodeAt(state.position);
+
+  while (ch !== 0) {
+    if (ch !== 0x2D
+    /* - */
+    ) {
+        break;
+      }
+
+    following = state.input.charCodeAt(state.position + 1);
+
+    if (!is_WS_OR_EOL(following)) {
+      break;
+    }
+
+    detected = true;
+    state.position++;
+
+    if (skipSeparationSpace(state, true, -1)) {
+      if (state.lineIndent <= nodeIndent) {
+        _result.push(null);
+
+        ch = state.input.charCodeAt(state.position);
+        continue;
+      }
+    }
+
+    _line = state.line;
+    composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
+
+    _result.push(state.result);
+
+    skipSeparationSpace(state, true, -1);
+    ch = state.input.charCodeAt(state.position);
+
+    if ((state.line === _line || state.lineIndent > nodeIndent) && ch !== 0) {
+      throwError(state, 'bad indentation of a sequence entry');
+    } else if (state.lineIndent < nodeIndent) {
+      break;
+    }
+  }
+
+  if (detected) {
+    state.tag = _tag;
+    state.anchor = _anchor;
+    state.kind = 'sequence';
+    state.result = _result;
+    return true;
+  }
+
+  return false;
+}
+
+function readBlockMapping(state, nodeIndent, flowIndent) {
+  var following,
+      allowCompact,
+      _line,
+      _pos,
+      _tag = state.tag,
+      _anchor = state.anchor,
+      _result = {},
+      overridableKeys = {},
+      keyTag = null,
+      keyNode = null,
+      valueNode = null,
+      atExplicitKey = false,
+      detected = false,
+      ch;
+
+  if (state.anchor !== null) {
+    state.anchorMap[state.anchor] = _result;
+  }
+
+  ch = state.input.charCodeAt(state.position);
+
+  while (ch !== 0) {
+    following = state.input.charCodeAt(state.position + 1);
+    _line = state.line; // Save the current line.
+
+    _pos = state.position; //
+    // Explicit notation case. There are two separate blocks:
+    // first for the key (denoted by "?") and second for the value (denoted by ":")
+    //
+
+    if ((ch === 0x3F
+    /* ? */
+    || ch === 0x3A
+    /* : */
+    ) && is_WS_OR_EOL(following)) {
+      if (ch === 0x3F
+      /* ? */
+      ) {
+          if (atExplicitKey) {
+            storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
+            keyTag = keyNode = valueNode = null;
+          }
+
+          detected = true;
+          atExplicitKey = true;
+          allowCompact = true;
+        } else if (atExplicitKey) {
+        // i.e. 0x3A/* : */ === character after the explicit key.
+        atExplicitKey = false;
+        allowCompact = true;
+      } else {
+        throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');
+      }
+
+      state.position += 1;
+      ch = following; //
+      // Implicit notation case. Flow-style node as the key first, then ":", and the value.
+      //
+    } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
+      if (state.line === _line) {
+        ch = state.input.charCodeAt(state.position);
+
+        while (is_WHITE_SPACE(ch)) {
+          ch = state.input.charCodeAt(++state.position);
+        }
+
+        if (ch === 0x3A
+        /* : */
+        ) {
+            ch = state.input.charCodeAt(++state.position);
+
+            if (!is_WS_OR_EOL(ch)) {
+              throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
+            }
+
+            if (atExplicitKey) {
+              storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
+              keyTag = keyNode = valueNode = null;
+            }
+
+            detected = true;
+            atExplicitKey = false;
+            allowCompact = false;
+            keyTag = state.tag;
+            keyNode = state.result;
+          } else if (detected) {
+          throwError(state, 'can not read an implicit mapping pair; a colon is missed');
+        } else {
+          state.tag = _tag;
+          state.anchor = _anchor;
+          return true; // Keep the result of `composeNode`.
+        }
+      } else if (detected) {
+        throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');
+      } else {
+        state.tag = _tag;
+        state.anchor = _anchor;
+        return true; // Keep the result of `composeNode`.
+      }
+    } else {
+        break; // Reading is done. Go to the epilogue.
+      } //
+    // Common reading code for both explicit and implicit notations.
+    //
+
+
+    if (state.line === _line || state.lineIndent > nodeIndent) {
+      if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
+        if (atExplicitKey) {
+          keyNode = state.result;
+        } else {
+          valueNode = state.result;
+        }
+      }
+
+      if (!atExplicitKey) {
+        storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos);
+        keyTag = keyNode = valueNode = null;
+      }
+
+      skipSeparationSpace(state, true, -1);
+      ch = state.input.charCodeAt(state.position);
+    }
+
+    if (state.lineIndent > nodeIndent && ch !== 0) {
+      throwError(state, 'bad indentation of a mapping entry');
+    } else if (state.lineIndent < nodeIndent) {
+      break;
+    }
+  } //
+  // Epilogue.
+  //
+  // Special case: last mapping's node contains only the key in explicit notation.
+
+
+  if (atExplicitKey) {
+    storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
+  } // Expose the resulting mapping.
+
+
+  if (detected) {
+    state.tag = _tag;
+    state.anchor = _anchor;
+    state.kind = 'mapping';
+    state.result = _result;
+  }
+
+  return detected;
+}
+
+function readTagProperty(state) {
+  var _position,
+      isVerbatim = false,
+      isNamed = false,
+      tagHandle,
+      tagName,
+      ch;
+
+  ch = state.input.charCodeAt(state.position);
+  if (ch !== 0x21
+  /* ! */
+  ) return false;
+
+  if (state.tag !== null) {
+    throwError(state, 'duplication of a tag property');
+  }
+
+  ch = state.input.charCodeAt(++state.position);
+
+  if (ch === 0x3C
+  /* < */
+  ) {
+      isVerbatim = true;
+      ch = state.input.charCodeAt(++state.position);
+    } else if (ch === 0x21
+  /* ! */
+  ) {
+      isNamed = true;
+      tagHandle = '!!';
+      ch = state.input.charCodeAt(++state.position);
+    } else {
+    tagHandle = '!';
+  }
+
+  _position = state.position;
+
+  if (isVerbatim) {
+    do {
+      ch = state.input.charCodeAt(++state.position);
+    } while (ch !== 0 && ch !== 0x3E
+    /* > */
+    );
+
+    if (state.position < state.length) {
+      tagName = state.input.slice(_position, state.position);
+      ch = state.input.charCodeAt(++state.position);
+    } else {
+      throwError(state, 'unexpected end of the stream within a verbatim tag');
+    }
+  } else {
+    while (ch !== 0 && !is_WS_OR_EOL(ch)) {
+      if (ch === 0x21
+      /* ! */
+      ) {
+          if (!isNamed) {
+            tagHandle = state.input.slice(_position - 1, state.position + 1);
+
+            if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
+              throwError(state, 'named tag handle cannot contain such characters');
+            }
+
+            isNamed = true;
+            _position = state.position + 1;
+          } else {
+            throwError(state, 'tag suffix cannot contain exclamation marks');
+          }
+        }
+
+      ch = state.input.charCodeAt(++state.position);
+    }
+
+    tagName = state.input.slice(_position, state.position);
+
+    if (PATTERN_FLOW_INDICATORS.test(tagName)) {
+      throwError(state, 'tag suffix cannot contain flow indicator characters');
+    }
+  }
+
+  if (tagName && !PATTERN_TAG_URI.test(tagName)) {
+    throwError(state, 'tag name cannot contain such characters: ' + tagName);
+  }
+
+  if (isVerbatim) {
+    state.tag = tagName;
+  } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {
+    state.tag = state.tagMap[tagHandle] + tagName;
+  } else if (tagHandle === '!') {
+    state.tag = '!' + tagName;
+  } else if (tagHandle === '!!') {
+    state.tag = 'tag:yaml.org,2002:' + tagName;
+  } else {
+    throwError(state, 'undeclared tag handle "' + tagHandle + '"');
+  }
+
+  return true;
+}
+
+function readAnchorProperty(state) {
+  var _position, ch;
+
+  ch = state.input.charCodeAt(state.position);
+  if (ch !== 0x26
+  /* & */
+  ) return false;
+
+  if (state.anchor !== null) {
+    throwError(state, 'duplication of an anchor property');
+  }
+
+  ch = state.input.charCodeAt(++state.position);
+  _position = state.position;
+
+  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
+    ch = state.input.charCodeAt(++state.position);
+  }
+
+  if (state.position === _position) {
+    throwError(state, 'name of an anchor node must contain at least one character');
+  }
+
+  state.anchor = state.input.slice(_position, state.position);
+  return true;
+}
+
+function readAlias(state) {
+  var _position, alias, ch;
+
+  ch = state.input.charCodeAt(state.position);
+  if (ch !== 0x2A
+  /* * */
+  ) return false;
+  ch = state.input.charCodeAt(++state.position);
+  _position = state.position;
+
+  while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
+    ch = state.input.charCodeAt(++state.position);
+  }
+
+  if (state.position === _position) {
+    throwError(state, 'name of an alias node must contain at least one character');
+  }
+
+  alias = state.input.slice(_position, state.position);
+
+  if (!state.anchorMap.hasOwnProperty(alias)) {
+    throwError(state, 'unidentified alias "' + alias + '"');
+  }
+
+  state.result = state.anchorMap[alias];
+  skipSeparationSpace(state, true, -1);
+  return true;
+}
+
+function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
+  var allowBlockStyles,
+      allowBlockScalars,
+      allowBlockCollections,
+      indentStatus = 1,
+      // 1: this>parent, 0: this=parent, -1: this<parent
+  atNewLine = false,
+      hasContent = false,
+      typeIndex,
+      typeQuantity,
+      type,
+      flowIndent,
+      blockIndent;
+
+  if (state.listener !== null) {
+    state.listener('open', state);
+  }
+
+  state.tag = null;
+  state.anchor = null;
+  state.kind = null;
+  state.result = null;
+  allowBlockStyles = allowBlockScalars = allowBlockCollections = CONTEXT_BLOCK_OUT === nodeContext || CONTEXT_BLOCK_IN === nodeContext;
+
+  if (allowToSeek) {
+    if (skipSeparationSpace(state, true, -1)) {
+      atNewLine = true;
+
+      if (state.lineIndent > parentIndent) {
+        indentStatus = 1;
+      } else if (state.lineIndent === parentIndent) {
+        indentStatus = 0;
+      } else if (state.lineIndent < parentIndent) {
+        indentStatus = -1;
+      }
+    }
+  }
+
+  if (indentStatus === 1) {
+    while (readTagProperty(state) || readAnchorProperty(state)) {
+      if (skipSeparationSpace(state, true, -1)) {
+        atNewLine = true;
+        allowBlockCollections = allowBlockStyles;
+
+        if (state.lineIndent > parentIndent) {
+          indentStatus = 1;
+        } else if (state.lineIndent === parentIndent) {
+          indentStatus = 0;
+        } else if (state.lineIndent < parentIndent) {
+          indentStatus = -1;
+        }
+      } else {
+        allowBlockCollections = false;
+      }
+    }
+  }
+
+  if (allowBlockCollections) {
+    allowBlockCollections = atNewLine || allowCompact;
+  }
+
+  if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
+    if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
+      flowIndent = parentIndent;
+    } else {
+      flowIndent = parentIndent + 1;
+    }
+
+    blockIndent = state.position - state.lineStart;
+
+    if (indentStatus === 1) {
+      if (allowBlockCollections && (readBlockSequence(state, blockIndent) || readBlockMapping(state, blockIndent, flowIndent)) || readFlowCollection(state, flowIndent)) {
+        hasContent = true;
+      } else {
+        if (allowBlockScalars && readBlockScalar(state, flowIndent) || readSingleQuotedScalar(state, flowIndent) || readDoubleQuotedScalar(state, flowIndent)) {
+          hasContent = true;
+        } else if (readAlias(state)) {
+          hasContent = true;
+
+          if (state.tag !== null || state.anchor !== null) {
+            throwError(state, 'alias node should not have any properties');
+          }
+        } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
+          hasContent = true;
+
+          if (state.tag === null) {
+            state.tag = '?';
+          }
+        }
+
+        if (state.anchor !== null) {
+          state.anchorMap[state.anchor] = state.result;
+        }
+      }
+    } else if (indentStatus === 0) {
+      // Special case: block sequences are allowed to have same indentation level as the parent.
+      // http://www.yaml.org/spec/1.2/spec.html#id2799784
+      hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);
+    }
+  }
+
+  if (state.tag !== null && state.tag !== '!') {
+    if (state.tag === '?') {
+      for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
+        type = state.implicitTypes[typeIndex]; // Implicit resolving is not allowed for non-scalar types, and '?'
+        // non-specific tag is only assigned to plain scalars. So, it isn't
+        // needed to check for 'kind' conformity.
+
+        if (type.resolve(state.result)) {
+          // `state.result` updated in resolver if matched
+          state.result = type.construct(state.result);
+          state.tag = type.tag;
+
+          if (state.anchor !== null) {
+            state.anchorMap[state.anchor] = state.result;
+          }
+
+          break;
+        }
+      }
+    } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
+      type = state.typeMap[state.kind || 'fallback'][state.tag];
+
+      if (state.result !== null && type.kind !== state.kind) {
+        throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"');
+      }
+
+      if (!type.resolve(state.result)) {
+        // `state.result` updated in resolver if matched
+        throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
+      } else {
+        state.result = type.construct(state.result);
+
+        if (state.anchor !== null) {
+          state.anchorMap[state.anchor] = state.result;
+        }
+      }
+    } else {
+      throwError(state, 'unknown tag !<' + state.tag + '>');
+    }
+  }
+
+  if (state.listener !== null) {
+    state.listener('close', state);
+  }
+
+  return state.tag !== null || state.anchor !== null || hasContent;
+}
+
+function readDocument(state) {
+  var documentStart = state.position,
+      _position,
+      directiveName,
+      directiveArgs,
+      hasDirectives = false,
+      ch;
+
+  state.version = null;
+  state.checkLineBreaks = state.legacy;
+  state.tagMap = {};
+  state.anchorMap = {};
+
+  while ((ch = state.input.charCodeAt(state.position)) !== 0) {
+    skipSeparationSpace(state, true, -1);
+    ch = state.input.charCodeAt(state.position);
+
+    if (state.lineIndent > 0 || ch !== 0x25
+    /* % */
+    ) {
+        break;
+      }
+
+    hasDirectives = true;
+    ch = state.input.charCodeAt(++state.position);
+    _position = state.position;
+
+    while (ch !== 0 && !is_WS_OR_EOL(ch)) {
+      ch = state.input.charCodeAt(++state.position);
+    }
+
+    directiveName = state.input.slice(_position, state.position);
+    directiveArgs = [];
+
+    if (directiveName.length < 1) {
+      throwError(state, 'directive name must not be less than one character in length');
+    }
+
+    while (ch !== 0) {
+      while (is_WHITE_SPACE(ch)) {
+        ch = state.input.charCodeAt(++state.position);
+      }
+
+      if (ch === 0x23
+      /* # */
+      ) {
+          do {
+            ch = state.input.charCodeAt(++state.position);
+          } while (ch !== 0 && !is_EOL(ch));
+
+          break;
+        }
+
+      if (is_EOL(ch)) break;
+      _position = state.position;
+
+      while (ch !== 0 && !is_WS_OR_EOL(ch)) {
+        ch = state.input.charCodeAt(++state.position);
+      }
+
+      directiveArgs.push(state.input.slice(_position, state.position));
+    }
+
+    if (ch !== 0) readLineBreak(state);
+
+    if (_hasOwnProperty.call(directiveHandlers, directiveName)) {
+      directiveHandlers[directiveName](state, directiveName, directiveArgs);
+    } else {
+      throwWarning(state, 'unknown document directive "' + directiveName + '"');
+    }
+  }
+
+  skipSeparationSpace(state, true, -1);
+
+  if (state.lineIndent === 0 && state.input.charCodeAt(state.position) === 0x2D
+  /* - */
+  && state.input.charCodeAt(state.position + 1) === 0x2D
+  /* - */
+  && state.input.charCodeAt(state.position + 2) === 0x2D
+  /* - */
+  ) {
+      state.position += 3;
+      skipSeparationSpace(state, true, -1);
+    } else if (hasDirectives) {
+    throwError(state, 'directives end mark is expected');
+  }
+
+  composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);
+  skipSeparationSpace(state, true, -1);
+
+  if (state.checkLineBreaks && PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
+    throwWarning(state, 'non-ASCII line breaks are interpreted as content');
+  }
+
+  state.documents.push(state.result);
+
+  if (state.position === state.lineStart && testDocumentSeparator(state)) {
+    if (state.input.charCodeAt(state.position) === 0x2E
+    /* . */
+    ) {
+        state.position += 3;
+        skipSeparationSpace(state, true, -1);
+      }
+
+    return;
+  }
+
+  if (state.position < state.length - 1) {
+    throwError(state, 'end of the stream or a document separator is expected');
+  } else {
+    return;
+  }
+}
+
+function loadDocuments(input, options) {
+  input = String(input);
+  options = options || {};
+
+  if (input.length !== 0) {
+    // Add tailing `\n` if not exists
+    if (input.charCodeAt(input.length - 1) !== 0x0A
+    /* LF */
+    && input.charCodeAt(input.length - 1) !== 0x0D
+    /* CR */
+    ) {
+        input += '\n';
+      } // Strip BOM
+
+
+    if (input.charCodeAt(0) === 0xFEFF) {
+      input = input.slice(1);
+    }
+  }
+
+  var state = new State(input, options); // Use 0 as string terminator. That significantly simplifies bounds check.
+
+  state.input += '\0';
+
+  while (state.input.charCodeAt(state.position) === 0x20
+  /* Space */
+  ) {
+    state.lineIndent += 1;
+    state.position += 1;
+  }
+
+  while (state.position < state.length - 1) {
+    readDocument(state);
+  }
+
+  return state.documents;
+}
+
+function loadAll(input, iterator, options) {
+  var documents = loadDocuments(input, options),
+      index,
+      length;
+
+  if (typeof iterator !== 'function') {
+    return documents;
+  }
+
+  for (index = 0, length = documents.length; index < length; index += 1) {
+    iterator(documents[index]);
+  }
+}
+
+function load(input, options) {
+  var documents = loadDocuments(input, options);
+
+  if (documents.length === 0) {
+    /*eslint-disable no-undefined*/
+    return undefined;
+  } else if (documents.length === 1) {
+    return documents[0];
+  }
+
+  throw new YAMLException('expected a single document in the stream, but found more');
+}
+
+function safeLoadAll(input, output, options) {
+  if (typeof output === 'function') {
+    loadAll(input, output, common.extend({
+      schema: DEFAULT_SAFE_SCHEMA
+    }, options));
+  } else {
+    return loadAll(input, common.extend({
+      schema: DEFAULT_SAFE_SCHEMA
+    }, options));
+  }
+}
+
+function safeLoad(input, options) {
+  return load(input, common.extend({
+    schema: DEFAULT_SAFE_SCHEMA
+  }, options));
+}
+
+module.exports.loadAll = loadAll;
+module.exports.load = load;
+module.exports.safeLoadAll = safeLoadAll;
+module.exports.safeLoad = safeLoad;
+
+/***/ }),
+/* 851 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function isNothing(subject) {
+  return typeof subject === 'undefined' || subject === null;
+}
+
+function isObject(subject) {
+  return typeof subject === 'object' && subject !== null;
+}
+
+function toArray(sequence) {
+  if (Array.isArray(sequence)) return sequence;else if (isNothing(sequence)) return [];
+  return [sequence];
+}
+
+function extend(target, source) {
+  var index, length, key, sourceKeys;
+
+  if (source) {
+    sourceKeys = Object.keys(source);
+
+    for (index = 0, length = sourceKeys.length; index < length; index += 1) {
+      key = sourceKeys[index];
+      target[key] = source[key];
+    }
+  }
+
+  return target;
+}
+
+function repeat(string, count) {
+  var result = '',
+      cycle;
+
+  for (cycle = 0; cycle < count; cycle += 1) {
+    result += string;
+  }
+
+  return result;
+}
+
+function isNegativeZero(number) {
+  return number === 0 && Number.NEGATIVE_INFINITY === 1 / number;
+}
+
+module.exports.isNothing = isNothing;
+module.exports.isObject = isObject;
+module.exports.toArray = toArray;
+module.exports.repeat = repeat;
+module.exports.isNegativeZero = isNegativeZero;
+module.exports.extend = extend;
+
+/***/ }),
+/* 852 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// YAML error class. http://stackoverflow.com/questions/8458984
+//
+
+
+function YAMLException(reason, mark) {
+  // Super constructor
+  Error.call(this);
+  this.name = 'YAMLException';
+  this.reason = reason;
+  this.mark = mark;
+  this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : ''); // Include stack trace in error object
+
+  if (Error.captureStackTrace) {
+    // Chrome and NodeJS
+    Error.captureStackTrace(this, this.constructor);
+  } else {
+    // FF, IE 10+ and Safari 6+. Fallback for others
+    this.stack = new Error().stack || '';
+  }
+} // Inherit from Error
+
+
+YAMLException.prototype = Object.create(Error.prototype);
+YAMLException.prototype.constructor = YAMLException;
+
+YAMLException.prototype.toString = function toString(compact) {
+  var result = this.name + ': ';
+  result += this.reason || '(unknown reason)';
+
+  if (!compact && this.mark) {
+    result += ' ' + this.mark.toString();
+  }
+
+  return result;
+};
+
+module.exports = YAMLException;
+
+/***/ }),
+/* 853 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var common = __webpack_require__(851);
+
+function Mark(name, buffer, position, line, column) {
+  this.name = name;
+  this.buffer = buffer;
+  this.position = position;
+  this.line = line;
+  this.column = column;
+}
+
+Mark.prototype.getSnippet = function getSnippet(indent, maxLength) {
+  var head, start, tail, end, snippet;
+  if (!this.buffer) return null;
+  indent = indent || 4;
+  maxLength = maxLength || 75;
+  head = '';
+  start = this.position;
+
+  while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) {
+    start -= 1;
+
+    if (this.position - start > maxLength / 2 - 1) {
+      head = ' ... ';
+      start += 5;
+      break;
+    }
+  }
+
+  tail = '';
+  end = this.position;
+
+  while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) {
+    end += 1;
+
+    if (end - this.position > maxLength / 2 - 1) {
+      tail = ' ... ';
+      end -= 5;
+      break;
+    }
+  }
+
+  snippet = this.buffer.slice(start, end);
+  return common.repeat(' ', indent) + head + snippet + tail + '\n' + common.repeat(' ', indent + this.position - start + head.length) + '^';
+};
+
+Mark.prototype.toString = function toString(compact) {
+  var snippet,
+      where = '';
+
+  if (this.name) {
+    where += 'in "' + this.name + '" ';
+  }
+
+  where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1);
+
+  if (!compact) {
+    snippet = this.getSnippet();
+
+    if (snippet) {
+      where += ':\n' + snippet;
+    }
+  }
+
+  return where;
+};
+
+module.exports = Mark;
+
+/***/ }),
+/* 854 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// JS-YAML's default schema for `safeLoad` function.
+// It is not described in the YAML specification.
+//
+// This schema is based on standard YAML's Core schema and includes most of
+// extra types described at YAML tag repository. (http://yaml.org/type/)
+
+
+var Schema = __webpack_require__(855);
+
+module.exports = new Schema({
+  include: [__webpack_require__(857)],
+  implicit: [__webpack_require__(867), __webpack_require__(868)],
+  explicit: [__webpack_require__(869), __webpack_require__(871), __webpack_require__(872), __webpack_require__(873)]
+});
+
+/***/ }),
+/* 855 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+/*eslint-disable max-len*/
+
+var common = __webpack_require__(851);
+
+var YAMLException = __webpack_require__(852);
+
+var Type = __webpack_require__(856);
+
+function compileList(schema, name, result) {
+  var exclude = [];
+  schema.include.forEach(function (includedSchema) {
+    result = compileList(includedSchema, name, result);
+  });
+  schema[name].forEach(function (currentType) {
+    result.forEach(function (previousType, previousIndex) {
+      if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) {
+        exclude.push(previousIndex);
+      }
+    });
+    result.push(currentType);
+  });
+  return result.filter(function (type, index) {
+    return exclude.indexOf(index) === -1;
+  });
+}
+
+function compileMap()
+/* lists... */
+{
+  var result = {
+    scalar: {},
+    sequence: {},
+    mapping: {},
+    fallback: {}
+  },
+      index,
+      length;
+
+  function collectType(type) {
+    result[type.kind][type.tag] = result['fallback'][type.tag] = type;
+  }
+
+  for (index = 0, length = arguments.length; index < length; index += 1) {
+    arguments[index].forEach(collectType);
+  }
+
+  return result;
+}
+
+function Schema(definition) {
+  this.include = definition.include || [];
+  this.implicit = definition.implicit || [];
+  this.explicit = definition.explicit || [];
+  this.implicit.forEach(function (type) {
+    if (type.loadKind && type.loadKind !== 'scalar') {
+      throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');
+    }
+  });
+  this.compiledImplicit = compileList(this, 'implicit', []);
+  this.compiledExplicit = compileList(this, 'explicit', []);
+  this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit);
+}
+
+Schema.DEFAULT = null;
+
+Schema.create = function createSchema() {
+  var schemas, types;
+
+  switch (arguments.length) {
+    case 1:
+      schemas = Schema.DEFAULT;
+      types = arguments[0];
+      break;
+
+    case 2:
+      schemas = arguments[0];
+      types = arguments[1];
+      break;
+
+    default:
+      throw new YAMLException('Wrong number of arguments for Schema.create function');
+  }
+
+  schemas = common.toArray(schemas);
+  types = common.toArray(types);
+
+  if (!schemas.every(function (schema) {
+    return schema instanceof Schema;
+  })) {
+    throw new YAMLException('Specified list of super schemas (or a single Schema object) contains a non-Schema object.');
+  }
+
+  if (!types.every(function (type) {
+    return type instanceof Type;
+  })) {
+    throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');
+  }
+
+  return new Schema({
+    include: schemas,
+    explicit: types
+  });
+};
+
+module.exports = Schema;
+
+/***/ }),
+/* 856 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var YAMLException = __webpack_require__(852);
+
+var TYPE_CONSTRUCTOR_OPTIONS = ['kind', 'resolve', 'construct', 'instanceOf', 'predicate', 'represent', 'defaultStyle', 'styleAliases'];
+var YAML_NODE_KINDS = ['scalar', 'sequence', 'mapping'];
+
+function compileStyleAliases(map) {
+  var result = {};
+
+  if (map !== null) {
+    Object.keys(map).forEach(function (style) {
+      map[style].forEach(function (alias) {
+        result[String(alias)] = style;
+      });
+    });
+  }
+
+  return result;
+}
+
+function Type(tag, options) {
+  options = options || {};
+  Object.keys(options).forEach(function (name) {
+    if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {
+      throw new YAMLException('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.');
+    }
+  }); // TODO: Add tag format check.
+
+  this.tag = tag;
+  this.kind = options['kind'] || null;
+
+  this.resolve = options['resolve'] || function () {
+    return true;
+  };
+
+  this.construct = options['construct'] || function (data) {
+    return data;
+  };
+
+  this.instanceOf = options['instanceOf'] || null;
+  this.predicate = options['predicate'] || null;
+  this.represent = options['represent'] || null;
+  this.defaultStyle = options['defaultStyle'] || null;
+  this.styleAliases = compileStyleAliases(options['styleAliases'] || null);
+
+  if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {
+    throw new YAMLException('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.');
+  }
+}
+
+module.exports = Type;
+
+/***/ }),
+/* 857 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// Standard YAML's Core schema.
+// http://www.yaml.org/spec/1.2/spec.html#id2804923
+//
+// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.
+// So, Core schema has no distinctions from JSON schema is JS-YAML.
+
+
+var Schema = __webpack_require__(855);
+
+module.exports = new Schema({
+  include: [__webpack_require__(858)]
+});
+
+/***/ }),
+/* 858 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// Standard YAML's JSON schema.
+// http://www.yaml.org/spec/1.2/spec.html#id2803231
+//
+// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.
+// So, this schema is not such strict as defined in the YAML specification.
+// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc.
+
+
+var Schema = __webpack_require__(855);
+
+module.exports = new Schema({
+  include: [__webpack_require__(859)],
+  implicit: [__webpack_require__(863), __webpack_require__(864), __webpack_require__(865), __webpack_require__(866)]
+});
+
+/***/ }),
+/* 859 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// Standard YAML's Failsafe schema.
+// http://www.yaml.org/spec/1.2/spec.html#id2802346
+
+
+var Schema = __webpack_require__(855);
+
+module.exports = new Schema({
+  explicit: [__webpack_require__(860), __webpack_require__(861), __webpack_require__(862)]
+});
+
+/***/ }),
+/* 860 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+module.exports = new Type('tag:yaml.org,2002:str', {
+  kind: 'scalar',
+  construct: function construct(data) {
+    return data !== null ? data : '';
+  }
+});
+
+/***/ }),
+/* 861 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+module.exports = new Type('tag:yaml.org,2002:seq', {
+  kind: 'sequence',
+  construct: function construct(data) {
+    return data !== null ? data : [];
+  }
+});
+
+/***/ }),
+/* 862 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+module.exports = new Type('tag:yaml.org,2002:map', {
+  kind: 'mapping',
+  construct: function construct(data) {
+    return data !== null ? data : {};
+  }
+});
+
+/***/ }),
+/* 863 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+function resolveYamlNull(data) {
+  if (data === null) return true;
+  var max = data.length;
+  return max === 1 && data === '~' || max === 4 && (data === 'null' || data === 'Null' || data === 'NULL');
+}
+
+function constructYamlNull() {
+  return null;
+}
+
+function isNull(object) {
+  return object === null;
+}
+
+module.exports = new Type('tag:yaml.org,2002:null', {
+  kind: 'scalar',
+  resolve: resolveYamlNull,
+  construct: constructYamlNull,
+  predicate: isNull,
+  represent: {
+    canonical: function canonical() {
+      return '~';
+    },
+    lowercase: function lowercase() {
+      return 'null';
+    },
+    uppercase: function uppercase() {
+      return 'NULL';
+    },
+    camelcase: function camelcase() {
+      return 'Null';
+    }
+  },
+  defaultStyle: 'lowercase'
+});
+
+/***/ }),
+/* 864 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+function resolveYamlBoolean(data) {
+  if (data === null) return false;
+  var max = data.length;
+  return max === 4 && (data === 'true' || data === 'True' || data === 'TRUE') || max === 5 && (data === 'false' || data === 'False' || data === 'FALSE');
+}
+
+function constructYamlBoolean(data) {
+  return data === 'true' || data === 'True' || data === 'TRUE';
+}
+
+function isBoolean(object) {
+  return Object.prototype.toString.call(object) === '[object Boolean]';
+}
+
+module.exports = new Type('tag:yaml.org,2002:bool', {
+  kind: 'scalar',
+  resolve: resolveYamlBoolean,
+  construct: constructYamlBoolean,
+  predicate: isBoolean,
+  represent: {
+    lowercase: function lowercase(object) {
+      return object ? 'true' : 'false';
+    },
+    uppercase: function uppercase(object) {
+      return object ? 'TRUE' : 'FALSE';
+    },
+    camelcase: function camelcase(object) {
+      return object ? 'True' : 'False';
+    }
+  },
+  defaultStyle: 'lowercase'
+});
+
+/***/ }),
+/* 865 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var common = __webpack_require__(851);
+
+var Type = __webpack_require__(856);
+
+function isHexCode(c) {
+  return 0x30
+  /* 0 */
+  <= c && c <= 0x39
+  /* 9 */
+  || 0x41
+  /* A */
+  <= c && c <= 0x46
+  /* F */
+  || 0x61
+  /* a */
+  <= c && c <= 0x66
+  /* f */
+  ;
+}
+
+function isOctCode(c) {
+  return 0x30
+  /* 0 */
+  <= c && c <= 0x37
+  /* 7 */
+  ;
+}
+
+function isDecCode(c) {
+  return 0x30
+  /* 0 */
+  <= c && c <= 0x39
+  /* 9 */
+  ;
+}
+
+function resolveYamlInteger(data) {
+  if (data === null) return false;
+  var max = data.length,
+      index = 0,
+      hasDigits = false,
+      ch;
+  if (!max) return false;
+  ch = data[index]; // sign
+
+  if (ch === '-' || ch === '+') {
+    ch = data[++index];
+  }
+
+  if (ch === '0') {
+    // 0
+    if (index + 1 === max) return true;
+    ch = data[++index]; // base 2, base 8, base 16
+
+    if (ch === 'b') {
+      // base 2
+      index++;
+
+      for (; index < max; index++) {
+        ch = data[index];
+        if (ch === '_') continue;
+        if (ch !== '0' && ch !== '1') return false;
+        hasDigits = true;
+      }
+
+      return hasDigits && ch !== '_';
+    }
+
+    if (ch === 'x') {
+      // base 16
+      index++;
+
+      for (; index < max; index++) {
+        ch = data[index];
+        if (ch === '_') continue;
+        if (!isHexCode(data.charCodeAt(index))) return false;
+        hasDigits = true;
+      }
+
+      return hasDigits && ch !== '_';
+    } // base 8
+
+
+    for (; index < max; index++) {
+      ch = data[index];
+      if (ch === '_') continue;
+      if (!isOctCode(data.charCodeAt(index))) return false;
+      hasDigits = true;
+    }
+
+    return hasDigits && ch !== '_';
+  } // base 10 (except 0) or base 60
+  // value should not start with `_`;
+
+
+  if (ch === '_') return false;
+
+  for (; index < max; index++) {
+    ch = data[index];
+    if (ch === '_') continue;
+    if (ch === ':') break;
+
+    if (!isDecCode(data.charCodeAt(index))) {
+      return false;
+    }
+
+    hasDigits = true;
+  } // Should have digits and should not end with `_`
+
+
+  if (!hasDigits || ch === '_') return false; // if !base60 - done;
+
+  if (ch !== ':') return true; // base60 almost not used, no needs to optimize
+
+  return /^(:[0-5]?[0-9])+$/.test(data.slice(index));
+}
+
+function constructYamlInteger(data) {
+  var value = data,
+      sign = 1,
+      ch,
+      base,
+      digits = [];
+
+  if (value.indexOf('_') !== -1) {
+    value = value.replace(/_/g, '');
+  }
+
+  ch = value[0];
+
+  if (ch === '-' || ch === '+') {
+    if (ch === '-') sign = -1;
+    value = value.slice(1);
+    ch = value[0];
+  }
+
+  if (value === '0') return 0;
+
+  if (ch === '0') {
+    if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);
+    if (value[1] === 'x') return sign * parseInt(value, 16);
+    return sign * parseInt(value, 8);
+  }
+
+  if (value.indexOf(':') !== -1) {
+    value.split(':').forEach(function (v) {
+      digits.unshift(parseInt(v, 10));
+    });
+    value = 0;
+    base = 1;
+    digits.forEach(function (d) {
+      value += d * base;
+      base *= 60;
+    });
+    return sign * value;
+  }
+
+  return sign * parseInt(value, 10);
+}
+
+function isInteger(object) {
+  return Object.prototype.toString.call(object) === '[object Number]' && object % 1 === 0 && !common.isNegativeZero(object);
+}
+
+module.exports = new Type('tag:yaml.org,2002:int', {
+  kind: 'scalar',
+  resolve: resolveYamlInteger,
+  construct: constructYamlInteger,
+  predicate: isInteger,
+  represent: {
+    binary: function binary(obj) {
+      return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1);
+    },
+    octal: function octal(obj) {
+      return obj >= 0 ? '0' + obj.toString(8) : '-0' + obj.toString(8).slice(1);
+    },
+    decimal: function decimal(obj) {
+      return obj.toString(10);
+    },
+
+    /* eslint-disable max-len */
+    hexadecimal: function hexadecimal(obj) {
+      return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1);
+    }
+  },
+  defaultStyle: 'decimal',
+  styleAliases: {
+    binary: [2, 'bin'],
+    octal: [8, 'oct'],
+    decimal: [10, 'dec'],
+    hexadecimal: [16, 'hex']
+  }
+});
+
+/***/ }),
+/* 866 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var common = __webpack_require__(851);
+
+var Type = __webpack_require__(856);
+
+var YAML_FLOAT_PATTERN = new RegExp( // 2.5e4, 2.5 and integers
+'^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + // .2e4, .2
+// special case, seems not from spec
+'|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + // 20:59
+'|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' + // .inf
+'|[-+]?\\.(?:inf|Inf|INF)' + // .nan
+'|\\.(?:nan|NaN|NAN))$');
+
+function resolveYamlFloat(data) {
+  if (data === null) return false;
+
+  if (!YAML_FLOAT_PATTERN.test(data) || // Quick hack to not allow integers end with `_`
+  // Probably should update regexp & check speed
+  data[data.length - 1] === '_') {
+    return false;
+  }
+
+  return true;
+}
+
+function constructYamlFloat(data) {
+  var value, sign, base, digits;
+  value = data.replace(/_/g, '').toLowerCase();
+  sign = value[0] === '-' ? -1 : 1;
+  digits = [];
+
+  if ('+-'.indexOf(value[0]) >= 0) {
+    value = value.slice(1);
+  }
+
+  if (value === '.inf') {
+    return sign === 1 ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;
+  } else if (value === '.nan') {
+    return NaN;
+  } else if (value.indexOf(':') >= 0) {
+    value.split(':').forEach(function (v) {
+      digits.unshift(parseFloat(v, 10));
+    });
+    value = 0.0;
+    base = 1;
+    digits.forEach(function (d) {
+      value += d * base;
+      base *= 60;
+    });
+    return sign * value;
+  }
+
+  return sign * parseFloat(value, 10);
+}
+
+var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;
+
+function representYamlFloat(object, style) {
+  var res;
+
+  if (isNaN(object)) {
+    switch (style) {
+      case 'lowercase':
+        return '.nan';
+
+      case 'uppercase':
+        return '.NAN';
+
+      case 'camelcase':
+        return '.NaN';
+    }
+  } else if (Number.POSITIVE_INFINITY === object) {
+    switch (style) {
+      case 'lowercase':
+        return '.inf';
+
+      case 'uppercase':
+        return '.INF';
+
+      case 'camelcase':
+        return '.Inf';
+    }
+  } else if (Number.NEGATIVE_INFINITY === object) {
+    switch (style) {
+      case 'lowercase':
+        return '-.inf';
+
+      case 'uppercase':
+        return '-.INF';
+
+      case 'camelcase':
+        return '-.Inf';
+    }
+  } else if (common.isNegativeZero(object)) {
+    return '-0.0';
+  }
+
+  res = object.toString(10); // JS stringifier can build scientific format without dots: 5e-100,
+  // while YAML requres dot: 5.e-100. Fix it with simple hack
+
+  return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;
+}
+
+function isFloat(object) {
+  return Object.prototype.toString.call(object) === '[object Number]' && (object % 1 !== 0 || common.isNegativeZero(object));
+}
+
+module.exports = new Type('tag:yaml.org,2002:float', {
+  kind: 'scalar',
+  resolve: resolveYamlFloat,
+  construct: constructYamlFloat,
+  predicate: isFloat,
+  represent: representYamlFloat,
+  defaultStyle: 'lowercase'
+});
+
+/***/ }),
+/* 867 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+var YAML_DATE_REGEXP = new RegExp('^([0-9][0-9][0-9][0-9])' + // [1] year
+'-([0-9][0-9])' + // [2] month
+'-([0-9][0-9])$'); // [3] day
+
+var YAML_TIMESTAMP_REGEXP = new RegExp('^([0-9][0-9][0-9][0-9])' + // [1] year
+'-([0-9][0-9]?)' + // [2] month
+'-([0-9][0-9]?)' + // [3] day
+'(?:[Tt]|[ \\t]+)' + // ...
+'([0-9][0-9]?)' + // [4] hour
+':([0-9][0-9])' + // [5] minute
+':([0-9][0-9])' + // [6] second
+'(?:\\.([0-9]*))?' + // [7] fraction
+'(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour
+'(?::([0-9][0-9]))?))?$'); // [11] tz_minute
+
+function resolveYamlTimestamp(data) {
+  if (data === null) return false;
+  if (YAML_DATE_REGEXP.exec(data) !== null) return true;
+  if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;
+  return false;
+}
+
+function constructYamlTimestamp(data) {
+  var match,
+      year,
+      month,
+      day,
+      hour,
+      minute,
+      second,
+      fraction = 0,
+      delta = null,
+      tz_hour,
+      tz_minute,
+      date;
+  match = YAML_DATE_REGEXP.exec(data);
+  if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);
+  if (match === null) throw new Error('Date resolve error'); // match: [1] year [2] month [3] day
+
+  year = +match[1];
+  month = +match[2] - 1; // JS month starts with 0
+
+  day = +match[3];
+
+  if (!match[4]) {
+    // no hour
+    return new Date(Date.UTC(year, month, day));
+  } // match: [4] hour [5] minute [6] second [7] fraction
+
+
+  hour = +match[4];
+  minute = +match[5];
+  second = +match[6];
+
+  if (match[7]) {
+    fraction = match[7].slice(0, 3);
+
+    while (fraction.length < 3) {
+      // milli-seconds
+      fraction += '0';
+    }
+
+    fraction = +fraction;
+  } // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute
+
+
+  if (match[9]) {
+    tz_hour = +match[10];
+    tz_minute = +(match[11] || 0);
+    delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds
+
+    if (match[9] === '-') delta = -delta;
+  }
+
+  date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));
+  if (delta) date.setTime(date.getTime() - delta);
+  return date;
+}
+
+function representYamlTimestamp(object
+/*, style*/
+) {
+  return object.toISOString();
+}
+
+module.exports = new Type('tag:yaml.org,2002:timestamp', {
+  kind: 'scalar',
+  resolve: resolveYamlTimestamp,
+  construct: constructYamlTimestamp,
+  instanceOf: Date,
+  represent: representYamlTimestamp
+});
+
+/***/ }),
+/* 868 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+function resolveYamlMerge(data) {
+  return data === '<<' || data === null;
+}
+
+module.exports = new Type('tag:yaml.org,2002:merge', {
+  kind: 'scalar',
+  resolve: resolveYamlMerge
+});
+
+/***/ }),
+/* 869 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+var require;
+/*eslint-disable no-bitwise*/
+
+var NodeBuffer;
+
+try {
+  // A trick for browserified version, to not include `Buffer` shim
+  var _require = require;
+  NodeBuffer = __webpack_require__(870).Buffer;
+} catch (__) {}
+
+var Type = __webpack_require__(856); // [ 64, 65, 66 ] -> [ padding, CR, LF ]
+
+
+var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r';
+
+function resolveYamlBinary(data) {
+  if (data === null) return false;
+  var code,
+      idx,
+      bitlen = 0,
+      max = data.length,
+      map = BASE64_MAP; // Convert one by one.
+
+  for (idx = 0; idx < max; idx++) {
+    code = map.indexOf(data.charAt(idx)); // Skip CR/LF
+
+    if (code > 64) continue; // Fail on illegal characters
+
+    if (code < 0) return false;
+    bitlen += 6;
+  } // If there are any bits left, source was corrupted
+
+
+  return bitlen % 8 === 0;
+}
+
+function constructYamlBinary(data) {
+  var idx,
+      tailbits,
+      input = data.replace(/[\r\n=]/g, ''),
+      // remove CR/LF & padding to simplify scan
+  max = input.length,
+      map = BASE64_MAP,
+      bits = 0,
+      result = []; // Collect by 6*4 bits (3 bytes)
+
+  for (idx = 0; idx < max; idx++) {
+    if (idx % 4 === 0 && idx) {
+      result.push(bits >> 16 & 0xFF);
+      result.push(bits >> 8 & 0xFF);
+      result.push(bits & 0xFF);
+    }
+
+    bits = bits << 6 | map.indexOf(input.charAt(idx));
+  } // Dump tail
+
+
+  tailbits = max % 4 * 6;
+
+  if (tailbits === 0) {
+    result.push(bits >> 16 & 0xFF);
+    result.push(bits >> 8 & 0xFF);
+    result.push(bits & 0xFF);
+  } else if (tailbits === 18) {
+    result.push(bits >> 10 & 0xFF);
+    result.push(bits >> 2 & 0xFF);
+  } else if (tailbits === 12) {
+    result.push(bits >> 4 & 0xFF);
+  } // Wrap into Buffer for NodeJS and leave Array for browser
+
+
+  if (NodeBuffer) {
+    // Support node 6.+ Buffer API when available
+    return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result);
+  }
+
+  return result;
+}
+
+function representYamlBinary(object
+/*, style*/
+) {
+  var result = '',
+      bits = 0,
+      idx,
+      tail,
+      max = object.length,
+      map = BASE64_MAP; // Convert every three bytes to 4 ASCII characters.
+
+  for (idx = 0; idx < max; idx++) {
+    if (idx % 3 === 0 && idx) {
+      result += map[bits >> 18 & 0x3F];
+      result += map[bits >> 12 & 0x3F];
+      result += map[bits >> 6 & 0x3F];
+      result += map[bits & 0x3F];
+    }
+
+    bits = (bits << 8) + object[idx];
+  } // Dump tail
+
+
+  tail = max % 3;
+
+  if (tail === 0) {
+    result += map[bits >> 18 & 0x3F];
+    result += map[bits >> 12 & 0x3F];
+    result += map[bits >> 6 & 0x3F];
+    result += map[bits & 0x3F];
+  } else if (tail === 2) {
+    result += map[bits >> 10 & 0x3F];
+    result += map[bits >> 4 & 0x3F];
+    result += map[bits << 2 & 0x3F];
+    result += map[64];
+  } else if (tail === 1) {
+    result += map[bits >> 2 & 0x3F];
+    result += map[bits << 4 & 0x3F];
+    result += map[64];
+    result += map[64];
+  }
+
+  return result;
+}
+
+function isBinary(object) {
+  return NodeBuffer && NodeBuffer.isBuffer(object);
+}
+
+module.exports = new Type('tag:yaml.org,2002:binary', {
+  kind: 'scalar',
+  resolve: resolveYamlBinary,
+  construct: constructYamlBinary,
+  predicate: isBinary,
+  represent: representYamlBinary
+});
+
+/***/ }),
+/* 870 */
+/***/ (function(module, exports) {
+
+module.exports = require("buffer");
+
+/***/ }),
+/* 871 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+var _hasOwnProperty = Object.prototype.hasOwnProperty;
+var _toString = Object.prototype.toString;
+
+function resolveYamlOmap(data) {
+  if (data === null) return true;
+  var objectKeys = [],
+      index,
+      length,
+      pair,
+      pairKey,
+      pairHasKey,
+      object = data;
+
+  for (index = 0, length = object.length; index < length; index += 1) {
+    pair = object[index];
+    pairHasKey = false;
+    if (_toString.call(pair) !== '[object Object]') return false;
+
+    for (pairKey in pair) {
+      if (_hasOwnProperty.call(pair, pairKey)) {
+        if (!pairHasKey) pairHasKey = true;else return false;
+      }
+    }
+
+    if (!pairHasKey) return false;
+    if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);else return false;
+  }
+
+  return true;
+}
+
+function constructYamlOmap(data) {
+  return data !== null ? data : [];
+}
+
+module.exports = new Type('tag:yaml.org,2002:omap', {
+  kind: 'sequence',
+  resolve: resolveYamlOmap,
+  construct: constructYamlOmap
+});
+
+/***/ }),
+/* 872 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+var _toString = Object.prototype.toString;
+
+function resolveYamlPairs(data) {
+  if (data === null) return true;
+  var index,
+      length,
+      pair,
+      keys,
+      result,
+      object = data;
+  result = new Array(object.length);
+
+  for (index = 0, length = object.length; index < length; index += 1) {
+    pair = object[index];
+    if (_toString.call(pair) !== '[object Object]') return false;
+    keys = Object.keys(pair);
+    if (keys.length !== 1) return false;
+    result[index] = [keys[0], pair[keys[0]]];
+  }
+
+  return true;
+}
+
+function constructYamlPairs(data) {
+  if (data === null) return [];
+  var index,
+      length,
+      pair,
+      keys,
+      result,
+      object = data;
+  result = new Array(object.length);
+
+  for (index = 0, length = object.length; index < length; index += 1) {
+    pair = object[index];
+    keys = Object.keys(pair);
+    result[index] = [keys[0], pair[keys[0]]];
+  }
+
+  return result;
+}
+
+module.exports = new Type('tag:yaml.org,2002:pairs', {
+  kind: 'sequence',
+  resolve: resolveYamlPairs,
+  construct: constructYamlPairs
+});
+
+/***/ }),
+/* 873 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+var _hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function resolveYamlSet(data) {
+  if (data === null) return true;
+  var key,
+      object = data;
+
+  for (key in object) {
+    if (_hasOwnProperty.call(object, key)) {
+      if (object[key] !== null) return false;
+    }
+  }
+
+  return true;
+}
+
+function constructYamlSet(data) {
+  return data !== null ? data : {};
+}
+
+module.exports = new Type('tag:yaml.org,2002:set', {
+  kind: 'mapping',
+  resolve: resolveYamlSet,
+  construct: constructYamlSet
+});
+
+/***/ }),
+/* 874 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+// JS-YAML's default schema for `load` function.
+// It is not described in the YAML specification.
+//
+// This schema is based on JS-YAML's default safe schema and includes
+// JavaScript-specific types: !!js/undefined, !!js/regexp and !!js/function.
+//
+// Also this schema is used as default base schema at `Schema.create` function.
+
+
+var Schema = __webpack_require__(855);
+
+module.exports = Schema.DEFAULT = new Schema({
+  include: [__webpack_require__(854)],
+  explicit: [__webpack_require__(875), __webpack_require__(876), __webpack_require__(877)]
+});
+
+/***/ }),
+/* 875 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+function resolveJavascriptUndefined() {
+  return true;
+}
+
+function constructJavascriptUndefined() {
+  /*eslint-disable no-undefined*/
+  return undefined;
+}
+
+function representJavascriptUndefined() {
+  return '';
+}
+
+function isUndefined(object) {
+  return typeof object === 'undefined';
+}
+
+module.exports = new Type('tag:yaml.org,2002:js/undefined', {
+  kind: 'scalar',
+  resolve: resolveJavascriptUndefined,
+  construct: constructJavascriptUndefined,
+  predicate: isUndefined,
+  represent: representJavascriptUndefined
+});
+
+/***/ }),
+/* 876 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Type = __webpack_require__(856);
+
+function resolveJavascriptRegExp(data) {
+  if (data === null) return false;
+  if (data.length === 0) return false;
+  var regexp = data,
+      tail = /\/([gim]*)$/.exec(data),
+      modifiers = ''; // if regexp starts with '/' it can have modifiers and must be properly closed
+  // `/foo/gim` - modifiers tail can be maximum 3 chars
+
+  if (regexp[0] === '/') {
+    if (tail) modifiers = tail[1];
+    if (modifiers.length > 3) return false; // if expression starts with /, is should be properly terminated
+
+    if (regexp[regexp.length - modifiers.length - 1] !== '/') return false;
+  }
+
+  return true;
+}
+
+function constructJavascriptRegExp(data) {
+  var regexp = data,
+      tail = /\/([gim]*)$/.exec(data),
+      modifiers = ''; // `/foo/gim` - tail can be maximum 4 chars
+
+  if (regexp[0] === '/') {
+    if (tail) modifiers = tail[1];
+    regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
+  }
+
+  return new RegExp(regexp, modifiers);
+}
+
+function representJavascriptRegExp(object
+/*, style*/
+) {
+  var result = '/' + object.source + '/';
+  if (object.global) result += 'g';
+  if (object.multiline) result += 'm';
+  if (object.ignoreCase) result += 'i';
+  return result;
+}
+
+function isRegExp(object) {
+  return Object.prototype.toString.call(object) === '[object RegExp]';
+}
+
+module.exports = new Type('tag:yaml.org,2002:js/regexp', {
+  kind: 'scalar',
+  resolve: resolveJavascriptRegExp,
+  construct: constructJavascriptRegExp,
+  predicate: isRegExp,
+  represent: representJavascriptRegExp
+});
+
+/***/ }),
+/* 877 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+var require;
+
+var esprima; // Browserified version does not have esprima
+//
+// 1. For node.js just require module as deps
+// 2. For browser try to require mudule via external AMD system.
+//    If not found - try to fallback to window.esprima. If not
+//    found too - then fail to parse.
+//
+
+try {
+  // workaround to exclude package from browserify list.
+  var _require = require;
+  esprima = __webpack_require__(878);
+} catch (_) {
+  /*global window */
+  if (typeof window !== 'undefined') esprima = window.esprima;
+}
+
+var Type = __webpack_require__(856);
+
+function resolveJavascriptFunction(data) {
+  if (data === null) return false;
+
+  try {
+    var source = '(' + data + ')',
+        ast = esprima.parse(source, {
+      range: true
+    });
+
+    if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || ast.body[0].expression.type !== 'ArrowFunctionExpression' && ast.body[0].expression.type !== 'FunctionExpression') {
+      return false;
+    }
+
+    return true;
+  } catch (err) {
+    return false;
+  }
+}
+
+function constructJavascriptFunction(data) {
+  /*jslint evil:true*/
+  var source = '(' + data + ')',
+      ast = esprima.parse(source, {
+    range: true
+  }),
+      params = [],
+      body;
+
+  if (ast.type !== 'Program' || ast.body.length !== 1 || ast.body[0].type !== 'ExpressionStatement' || ast.body[0].expression.type !== 'ArrowFunctionExpression' && ast.body[0].expression.type !== 'FunctionExpression') {
+    throw new Error('Failed to resolve function');
+  }
+
+  ast.body[0].expression.params.forEach(function (param) {
+    params.push(param.name);
+  });
+  body = ast.body[0].expression.body.range; // Esprima's ranges include the first '{' and the last '}' characters on
+  // function expressions. So cut them out.
+
+  if (ast.body[0].expression.body.type === 'BlockStatement') {
+    /*eslint-disable no-new-func*/
+    return new Function(params, source.slice(body[0] + 1, body[1] - 1));
+  } // ES6 arrow functions can omit the BlockStatement. In that case, just return
+  // the body.
+
+  /*eslint-disable no-new-func*/
+
+
+  return new Function(params, 'return ' + source.slice(body[0], body[1]));
+}
+
+function representJavascriptFunction(object
+/*, style*/
+) {
+  return object.toString();
+}
+
+function isFunction(object) {
+  return Object.prototype.toString.call(object) === '[object Function]';
+}
+
+module.exports = new Type('tag:yaml.org,2002:js/function', {
+  kind: 'scalar',
+  resolve: resolveJavascriptFunction,
+  construct: constructJavascriptFunction,
+  predicate: isFunction,
+  represent: representJavascriptFunction
+});
+
+/***/ }),
+/* 878 */
+/***/ (function(module, exports, __webpack_require__) {
+
+(function webpackUniversalModuleDefinition(root, factory) {
+  /* istanbul ignore next */
+  if (true) module.exports = factory();else {}
+})(this, function () {
+  return (
+    /******/
+    function (modules) {
+      // webpackBootstrap
+
+      /******/
+      // The module cache
+
+      /******/
+      var installedModules = {};
+      /******/
+      // The require function
+
+      /******/
+
+      function __webpack_require__(moduleId) {
+        /******/
+        // Check if module is in cache
+
+        /* istanbul ignore if */
+
+        /******/
+        if (installedModules[moduleId])
+          /******/
+          return installedModules[moduleId].exports;
+        /******/
+        // Create a new module (and put it into the cache)
+
+        /******/
+
+        var module = installedModules[moduleId] = {
+          /******/
+          exports: {},
+
+          /******/
+          id: moduleId,
+
+          /******/
+          loaded: false
+          /******/
+
+        };
+        /******/
+        // Execute the module function
+
+        /******/
+
+        modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+        /******/
+        // Flag the module as loaded
+
+        /******/
+
+        module.loaded = true;
+        /******/
+        // Return the exports of the module
+
+        /******/
+
+        return module.exports;
+        /******/
+      }
+      /******/
+      // expose the modules object (__webpack_modules__)
+
+      /******/
+
+
+      __webpack_require__.m = modules;
+      /******/
+      // expose the module cache
+
+      /******/
+
+      __webpack_require__.c = installedModules;
+      /******/
+      // __webpack_public_path__
+
+      /******/
+
+      __webpack_require__.p = "";
+      /******/
+      // Load entry module and return exports
+
+      /******/
+
+      return __webpack_require__(0);
+      /******/
+    }(
+    /************************************************************************/
+
+    /******/
+    [
+    /* 0 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+      /*
+        Copyright JS Foundation and other contributors, https://js.foundation/
+      	  Redistribution and use in source and binary forms, with or without
+        modification, are permitted provided that the following conditions are met:
+      	    * Redistributions of source code must retain the above copyright
+            notice, this list of conditions and the following disclaimer.
+          * Redistributions in binary form must reproduce the above copyright
+            notice, this list of conditions and the following disclaimer in the
+            documentation and/or other materials provided with the distribution.
+      	  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+        AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+        IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+        ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+        DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+        (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+        LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+        ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+        (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+        THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+      */
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var comment_handler_1 = __webpack_require__(1);
+
+      var jsx_parser_1 = __webpack_require__(3);
+
+      var parser_1 = __webpack_require__(8);
+
+      var tokenizer_1 = __webpack_require__(15);
+
+      function parse(code, options, delegate) {
+        var commentHandler = null;
+
+        var proxyDelegate = function proxyDelegate(node, metadata) {
+          if (delegate) {
+            delegate(node, metadata);
+          }
+
+          if (commentHandler) {
+            commentHandler.visit(node, metadata);
+          }
+        };
+
+        var parserDelegate = typeof delegate === 'function' ? proxyDelegate : null;
+        var collectComment = false;
+
+        if (options) {
+          collectComment = typeof options.comment === 'boolean' && options.comment;
+          var attachComment = typeof options.attachComment === 'boolean' && options.attachComment;
+
+          if (collectComment || attachComment) {
+            commentHandler = new comment_handler_1.CommentHandler();
+            commentHandler.attach = attachComment;
+            options.comment = true;
+            parserDelegate = proxyDelegate;
+          }
+        }
+
+        var isModule = false;
+
+        if (options && typeof options.sourceType === 'string') {
+          isModule = options.sourceType === 'module';
+        }
+
+        var parser;
+
+        if (options && typeof options.jsx === 'boolean' && options.jsx) {
+          parser = new jsx_parser_1.JSXParser(code, options, parserDelegate);
+        } else {
+          parser = new parser_1.Parser(code, options, parserDelegate);
+        }
+
+        var program = isModule ? parser.parseModule() : parser.parseScript();
+        var ast = program;
+
+        if (collectComment && commentHandler) {
+          ast.comments = commentHandler.comments;
+        }
+
+        if (parser.config.tokens) {
+          ast.tokens = parser.tokens;
+        }
+
+        if (parser.config.tolerant) {
+          ast.errors = parser.errorHandler.errors;
+        }
+
+        return ast;
+      }
+
+      exports.parse = parse;
+
+      function parseModule(code, options, delegate) {
+        var parsingOptions = options || {};
+        parsingOptions.sourceType = 'module';
+        return parse(code, parsingOptions, delegate);
+      }
+
+      exports.parseModule = parseModule;
+
+      function parseScript(code, options, delegate) {
+        var parsingOptions = options || {};
+        parsingOptions.sourceType = 'script';
+        return parse(code, parsingOptions, delegate);
+      }
+
+      exports.parseScript = parseScript;
+
+      function tokenize(code, options, delegate) {
+        var tokenizer = new tokenizer_1.Tokenizer(code, options);
+        var tokens;
+        tokens = [];
+
+        try {
+          while (true) {
+            var token = tokenizer.getNextToken();
+
+            if (!token) {
+              break;
+            }
+
+            if (delegate) {
+              token = delegate(token);
+            }
+
+            tokens.push(token);
+          }
+        } catch (e) {
+          tokenizer.errorHandler.tolerate(e);
+        }
+
+        if (tokenizer.errorHandler.tolerant) {
+          tokens.errors = tokenizer.errors();
+        }
+
+        return tokens;
+      }
+
+      exports.tokenize = tokenize;
+
+      var syntax_1 = __webpack_require__(2);
+
+      exports.Syntax = syntax_1.Syntax; // Sync with *.json manifests.
+
+      exports.version = '4.0.1';
+      /***/
+    },
+    /* 1 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var syntax_1 = __webpack_require__(2);
+
+      var CommentHandler = function () {
+        function CommentHandler() {
+          this.attach = false;
+          this.comments = [];
+          this.stack = [];
+          this.leading = [];
+          this.trailing = [];
+        }
+
+        CommentHandler.prototype.insertInnerComments = function (node, metadata) {
+          //  innnerComments for properties empty block
+          //  `function a() {/** comments **\/}`
+          if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) {
+            var innerComments = [];
+
+            for (var i = this.leading.length - 1; i >= 0; --i) {
+              var entry = this.leading[i];
+
+              if (metadata.end.offset >= entry.start) {
+                innerComments.unshift(entry.comment);
+                this.leading.splice(i, 1);
+                this.trailing.splice(i, 1);
+              }
+            }
+
+            if (innerComments.length) {
+              node.innerComments = innerComments;
+            }
+          }
+        };
+
+        CommentHandler.prototype.findTrailingComments = function (metadata) {
+          var trailingComments = [];
+
+          if (this.trailing.length > 0) {
+            for (var i = this.trailing.length - 1; i >= 0; --i) {
+              var entry_1 = this.trailing[i];
+
+              if (entry_1.start >= metadata.end.offset) {
+                trailingComments.unshift(entry_1.comment);
+              }
+            }
+
+            this.trailing.length = 0;
+            return trailingComments;
+          }
+
+          var entry = this.stack[this.stack.length - 1];
+
+          if (entry && entry.node.trailingComments) {
+            var firstComment = entry.node.trailingComments[0];
+
+            if (firstComment && firstComment.range[0] >= metadata.end.offset) {
+              trailingComments = entry.node.trailingComments;
+              delete entry.node.trailingComments;
+            }
+          }
+
+          return trailingComments;
+        };
+
+        CommentHandler.prototype.findLeadingComments = function (metadata) {
+          var leadingComments = [];
+          var target;
+
+          while (this.stack.length > 0) {
+            var entry = this.stack[this.stack.length - 1];
+
+            if (entry && entry.start >= metadata.start.offset) {
+              target = entry.node;
+              this.stack.pop();
+            } else {
+              break;
+            }
+          }
+
+          if (target) {
+            var count = target.leadingComments ? target.leadingComments.length : 0;
+
+            for (var i = count - 1; i >= 0; --i) {
+              var comment = target.leadingComments[i];
+
+              if (comment.range[1] <= metadata.start.offset) {
+                leadingComments.unshift(comment);
+                target.leadingComments.splice(i, 1);
+              }
+            }
+
+            if (target.leadingComments && target.leadingComments.length === 0) {
+              delete target.leadingComments;
+            }
+
+            return leadingComments;
+          }
+
+          for (var i = this.leading.length - 1; i >= 0; --i) {
+            var entry = this.leading[i];
+
+            if (entry.start <= metadata.start.offset) {
+              leadingComments.unshift(entry.comment);
+              this.leading.splice(i, 1);
+            }
+          }
+
+          return leadingComments;
+        };
+
+        CommentHandler.prototype.visitNode = function (node, metadata) {
+          if (node.type === syntax_1.Syntax.Program && node.body.length > 0) {
+            return;
+          }
+
+          this.insertInnerComments(node, metadata);
+          var trailingComments = this.findTrailingComments(metadata);
+          var leadingComments = this.findLeadingComments(metadata);
+
+          if (leadingComments.length > 0) {
+            node.leadingComments = leadingComments;
+          }
+
+          if (trailingComments.length > 0) {
+            node.trailingComments = trailingComments;
+          }
+
+          this.stack.push({
+            node: node,
+            start: metadata.start.offset
+          });
+        };
+
+        CommentHandler.prototype.visitComment = function (node, metadata) {
+          var type = node.type[0] === 'L' ? 'Line' : 'Block';
+          var comment = {
+            type: type,
+            value: node.value
+          };
+
+          if (node.range) {
+            comment.range = node.range;
+          }
+
+          if (node.loc) {
+            comment.loc = node.loc;
+          }
+
+          this.comments.push(comment);
+
+          if (this.attach) {
+            var entry = {
+              comment: {
+                type: type,
+                value: node.value,
+                range: [metadata.start.offset, metadata.end.offset]
+              },
+              start: metadata.start.offset
+            };
+
+            if (node.loc) {
+              entry.comment.loc = node.loc;
+            }
+
+            node.type = type;
+            this.leading.push(entry);
+            this.trailing.push(entry);
+          }
+        };
+
+        CommentHandler.prototype.visit = function (node, metadata) {
+          if (node.type === 'LineComment') {
+            this.visitComment(node, metadata);
+          } else if (node.type === 'BlockComment') {
+            this.visitComment(node, metadata);
+          } else if (this.attach) {
+            this.visitNode(node, metadata);
+          }
+        };
+
+        return CommentHandler;
+      }();
+
+      exports.CommentHandler = CommentHandler;
+      /***/
+    },
+    /* 2 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.Syntax = {
+        AssignmentExpression: 'AssignmentExpression',
+        AssignmentPattern: 'AssignmentPattern',
+        ArrayExpression: 'ArrayExpression',
+        ArrayPattern: 'ArrayPattern',
+        ArrowFunctionExpression: 'ArrowFunctionExpression',
+        AwaitExpression: 'AwaitExpression',
+        BlockStatement: 'BlockStatement',
+        BinaryExpression: 'BinaryExpression',
+        BreakStatement: 'BreakStatement',
+        CallExpression: 'CallExpression',
+        CatchClause: 'CatchClause',
+        ClassBody: 'ClassBody',
+        ClassDeclaration: 'ClassDeclaration',
+        ClassExpression: 'ClassExpression',
+        ConditionalExpression: 'ConditionalExpression',
+        ContinueStatement: 'ContinueStatement',
+        DoWhileStatement: 'DoWhileStatement',
+        DebuggerStatement: 'DebuggerStatement',
+        EmptyStatement: 'EmptyStatement',
+        ExportAllDeclaration: 'ExportAllDeclaration',
+        ExportDefaultDeclaration: 'ExportDefaultDeclaration',
+        ExportNamedDeclaration: 'ExportNamedDeclaration',
+        ExportSpecifier: 'ExportSpecifier',
+        ExpressionStatement: 'ExpressionStatement',
+        ForStatement: 'ForStatement',
+        ForOfStatement: 'ForOfStatement',
+        ForInStatement: 'ForInStatement',
+        FunctionDeclaration: 'FunctionDeclaration',
+        FunctionExpression: 'FunctionExpression',
+        Identifier: 'Identifier',
+        IfStatement: 'IfStatement',
+        ImportDeclaration: 'ImportDeclaration',
+        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
+        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
+        ImportSpecifier: 'ImportSpecifier',
+        Literal: 'Literal',
+        LabeledStatement: 'LabeledStatement',
+        LogicalExpression: 'LogicalExpression',
+        MemberExpression: 'MemberExpression',
+        MetaProperty: 'MetaProperty',
+        MethodDefinition: 'MethodDefinition',
+        NewExpression: 'NewExpression',
+        ObjectExpression: 'ObjectExpression',
+        ObjectPattern: 'ObjectPattern',
+        Program: 'Program',
+        Property: 'Property',
+        RestElement: 'RestElement',
+        ReturnStatement: 'ReturnStatement',
+        SequenceExpression: 'SequenceExpression',
+        SpreadElement: 'SpreadElement',
+        Super: 'Super',
+        SwitchCase: 'SwitchCase',
+        SwitchStatement: 'SwitchStatement',
+        TaggedTemplateExpression: 'TaggedTemplateExpression',
+        TemplateElement: 'TemplateElement',
+        TemplateLiteral: 'TemplateLiteral',
+        ThisExpression: 'ThisExpression',
+        ThrowStatement: 'ThrowStatement',
+        TryStatement: 'TryStatement',
+        UnaryExpression: 'UnaryExpression',
+        UpdateExpression: 'UpdateExpression',
+        VariableDeclaration: 'VariableDeclaration',
+        VariableDeclarator: 'VariableDeclarator',
+        WhileStatement: 'WhileStatement',
+        WithStatement: 'WithStatement',
+        YieldExpression: 'YieldExpression'
+      };
+      /***/
+    },
+    /* 3 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+      /* istanbul ignore next */
+
+      var __extends = this && this.__extends || function () {
+        var extendStatics = Object.setPrototypeOf || {
+          __proto__: []
+        } instanceof Array && function (d, b) {
+          d.__proto__ = b;
+        } || function (d, b) {
+          for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
+        };
+
+        return function (d, b) {
+          extendStatics(d, b);
+
+          function __() {
+            this.constructor = d;
+          }
+
+          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+        };
+      }();
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var character_1 = __webpack_require__(4);
+
+      var JSXNode = __webpack_require__(5);
+
+      var jsx_syntax_1 = __webpack_require__(6);
+
+      var Node = __webpack_require__(7);
+
+      var parser_1 = __webpack_require__(8);
+
+      var token_1 = __webpack_require__(13);
+
+      var xhtml_entities_1 = __webpack_require__(14);
+
+      token_1.TokenName[100
+      /* Identifier */
+      ] = 'JSXIdentifier';
+      token_1.TokenName[101
+      /* Text */
+      ] = 'JSXText'; // Fully qualified element name, e.g. <svg:path> returns "svg:path"
+
+      function getQualifiedElementName(elementName) {
+        var qualifiedName;
+
+        switch (elementName.type) {
+          case jsx_syntax_1.JSXSyntax.JSXIdentifier:
+            var id = elementName;
+            qualifiedName = id.name;
+            break;
+
+          case jsx_syntax_1.JSXSyntax.JSXNamespacedName:
+            var ns = elementName;
+            qualifiedName = getQualifiedElementName(ns.namespace) + ':' + getQualifiedElementName(ns.name);
+            break;
+
+          case jsx_syntax_1.JSXSyntax.JSXMemberExpression:
+            var expr = elementName;
+            qualifiedName = getQualifiedElementName(expr.object) + '.' + getQualifiedElementName(expr.property);
+            break;
+
+          /* istanbul ignore next */
+
+          default:
+            break;
+        }
+
+        return qualifiedName;
+      }
+
+      var JSXParser = function (_super) {
+        __extends(JSXParser, _super);
+
+        function JSXParser(code, options, delegate) {
+          return _super.call(this, code, options, delegate) || this;
+        }
+
+        JSXParser.prototype.parsePrimaryExpression = function () {
+          return this.match('<') ? this.parseJSXRoot() : _super.prototype.parsePrimaryExpression.call(this);
+        };
+
+        JSXParser.prototype.startJSX = function () {
+          // Unwind the scanner before the lookahead token.
+          this.scanner.index = this.startMarker.index;
+          this.scanner.lineNumber = this.startMarker.line;
+          this.scanner.lineStart = this.startMarker.index - this.startMarker.column;
+        };
+
+        JSXParser.prototype.finishJSX = function () {
+          // Prime the next lookahead.
+          this.nextToken();
+        };
+
+        JSXParser.prototype.reenterJSX = function () {
+          this.startJSX();
+          this.expectJSX('}'); // Pop the closing '}' added from the lookahead.
+
+          if (this.config.tokens) {
+            this.tokens.pop();
+          }
+        };
+
+        JSXParser.prototype.createJSXNode = function () {
+          this.collectComments();
+          return {
+            index: this.scanner.index,
+            line: this.scanner.lineNumber,
+            column: this.scanner.index - this.scanner.lineStart
+          };
+        };
+
+        JSXParser.prototype.createJSXChildNode = function () {
+          return {
+            index: this.scanner.index,
+            line: this.scanner.lineNumber,
+            column: this.scanner.index - this.scanner.lineStart
+          };
+        };
+
+        JSXParser.prototype.scanXHTMLEntity = function (quote) {
+          var result = '&';
+          var valid = true;
+          var terminated = false;
+          var numeric = false;
+          var hex = false;
+
+          while (!this.scanner.eof() && valid && !terminated) {
+            var ch = this.scanner.source[this.scanner.index];
+
+            if (ch === quote) {
+              break;
+            }
+
+            terminated = ch === ';';
+            result += ch;
+            ++this.scanner.index;
+
+            if (!terminated) {
+              switch (result.length) {
+                case 2:
+                  // e.g. '&#123;'
+                  numeric = ch === '#';
+                  break;
+
+                case 3:
+                  if (numeric) {
+                    // e.g. '&#x41;'
+                    hex = ch === 'x';
+                    valid = hex || character_1.Character.isDecimalDigit(ch.charCodeAt(0));
+                    numeric = numeric && !hex;
+                  }
+
+                  break;
+
+                default:
+                  valid = valid && !(numeric && !character_1.Character.isDecimalDigit(ch.charCodeAt(0)));
+                  valid = valid && !(hex && !character_1.Character.isHexDigit(ch.charCodeAt(0)));
+                  break;
+              }
+            }
+          }
+
+          if (valid && terminated && result.length > 2) {
+            // e.g. '&#x41;' becomes just '#x41'
+            var str = result.substr(1, result.length - 2);
+
+            if (numeric && str.length > 1) {
+              result = String.fromCharCode(parseInt(str.substr(1), 10));
+            } else if (hex && str.length > 2) {
+              result = String.fromCharCode(parseInt('0' + str.substr(1), 16));
+            } else if (!numeric && !hex && xhtml_entities_1.XHTMLEntities[str]) {
+              result = xhtml_entities_1.XHTMLEntities[str];
+            }
+          }
+
+          return result;
+        }; // Scan the next JSX token. This replaces Scanner#lex when in JSX mode.
+
+
+        JSXParser.prototype.lexJSX = function () {
+          var cp = this.scanner.source.charCodeAt(this.scanner.index); // < > / : = { }
+
+          if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) {
+            var value = this.scanner.source[this.scanner.index++];
+            return {
+              type: 7
+              /* Punctuator */
+              ,
+              value: value,
+              lineNumber: this.scanner.lineNumber,
+              lineStart: this.scanner.lineStart,
+              start: this.scanner.index - 1,
+              end: this.scanner.index
+            };
+          } // " '
+
+
+          if (cp === 34 || cp === 39) {
+            var start = this.scanner.index;
+            var quote = this.scanner.source[this.scanner.index++];
+            var str = '';
+
+            while (!this.scanner.eof()) {
+              var ch = this.scanner.source[this.scanner.index++];
+
+              if (ch === quote) {
+                break;
+              } else if (ch === '&') {
+                str += this.scanXHTMLEntity(quote);
+              } else {
+                str += ch;
+              }
+            }
+
+            return {
+              type: 8
+              /* StringLiteral */
+              ,
+              value: str,
+              lineNumber: this.scanner.lineNumber,
+              lineStart: this.scanner.lineStart,
+              start: start,
+              end: this.scanner.index
+            };
+          } // ... or .
+
+
+          if (cp === 46) {
+            var n1 = this.scanner.source.charCodeAt(this.scanner.index + 1);
+            var n2 = this.scanner.source.charCodeAt(this.scanner.index + 2);
+            var value = n1 === 46 && n2 === 46 ? '...' : '.';
+            var start = this.scanner.index;
+            this.scanner.index += value.length;
+            return {
+              type: 7
+              /* Punctuator */
+              ,
+              value: value,
+              lineNumber: this.scanner.lineNumber,
+              lineStart: this.scanner.lineStart,
+              start: start,
+              end: this.scanner.index
+            };
+          } // `
+
+
+          if (cp === 96) {
+            // Only placeholder, since it will be rescanned as a real assignment expression.
+            return {
+              type: 10
+              /* Template */
+              ,
+              value: '',
+              lineNumber: this.scanner.lineNumber,
+              lineStart: this.scanner.lineStart,
+              start: this.scanner.index,
+              end: this.scanner.index
+            };
+          } // Identifer can not contain backslash (char code 92).
+
+
+          if (character_1.Character.isIdentifierStart(cp) && cp !== 92) {
+            var start = this.scanner.index;
+            ++this.scanner.index;
+
+            while (!this.scanner.eof()) {
+              var ch = this.scanner.source.charCodeAt(this.scanner.index);
+
+              if (character_1.Character.isIdentifierPart(ch) && ch !== 92) {
+                ++this.scanner.index;
+              } else if (ch === 45) {
+                // Hyphen (char code 45) can be part of an identifier.
+                ++this.scanner.index;
+              } else {
+                break;
+              }
+            }
+
+            var id = this.scanner.source.slice(start, this.scanner.index);
+            return {
+              type: 100
+              /* Identifier */
+              ,
+              value: id,
+              lineNumber: this.scanner.lineNumber,
+              lineStart: this.scanner.lineStart,
+              start: start,
+              end: this.scanner.index
+            };
+          }
+
+          return this.scanner.lex();
+        };
+
+        JSXParser.prototype.nextJSXToken = function () {
+          this.collectComments();
+          this.startMarker.index = this.scanner.index;
+          this.startMarker.line = this.scanner.lineNumber;
+          this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+          var token = this.lexJSX();
+          this.lastMarker.index = this.scanner.index;
+          this.lastMarker.line = this.scanner.lineNumber;
+          this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+
+          if (this.config.tokens) {
+            this.tokens.push(this.convertToken(token));
+          }
+
+          return token;
+        };
+
+        JSXParser.prototype.nextJSXText = function () {
+          this.startMarker.index = this.scanner.index;
+          this.startMarker.line = this.scanner.lineNumber;
+          this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+          var start = this.scanner.index;
+          var text = '';
+
+          while (!this.scanner.eof()) {
+            var ch = this.scanner.source[this.scanner.index];
+
+            if (ch === '{' || ch === '<') {
+              break;
+            }
+
+            ++this.scanner.index;
+            text += ch;
+
+            if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+              ++this.scanner.lineNumber;
+
+              if (ch === '\r' && this.scanner.source[this.scanner.index] === '\n') {
+                ++this.scanner.index;
+              }
+
+              this.scanner.lineStart = this.scanner.index;
+            }
+          }
+
+          this.lastMarker.index = this.scanner.index;
+          this.lastMarker.line = this.scanner.lineNumber;
+          this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+          var token = {
+            type: 101
+            /* Text */
+            ,
+            value: text,
+            lineNumber: this.scanner.lineNumber,
+            lineStart: this.scanner.lineStart,
+            start: start,
+            end: this.scanner.index
+          };
+
+          if (text.length > 0 && this.config.tokens) {
+            this.tokens.push(this.convertToken(token));
+          }
+
+          return token;
+        };
+
+        JSXParser.prototype.peekJSXToken = function () {
+          var state = this.scanner.saveState();
+          this.scanner.scanComments();
+          var next = this.lexJSX();
+          this.scanner.restoreState(state);
+          return next;
+        }; // Expect the next JSX token to match the specified punctuator.
+        // If not, an exception will be thrown.
+
+
+        JSXParser.prototype.expectJSX = function (value) {
+          var token = this.nextJSXToken();
+
+          if (token.type !== 7
+          /* Punctuator */
+          || token.value !== value) {
+            this.throwUnexpectedToken(token);
+          }
+        }; // Return true if the next JSX token matches the specified punctuator.
+
+
+        JSXParser.prototype.matchJSX = function (value) {
+          var next = this.peekJSXToken();
+          return next.type === 7
+          /* Punctuator */
+          && next.value === value;
+        };
+
+        JSXParser.prototype.parseJSXIdentifier = function () {
+          var node = this.createJSXNode();
+          var token = this.nextJSXToken();
+
+          if (token.type !== 100
+          /* Identifier */
+          ) {
+              this.throwUnexpectedToken(token);
+            }
+
+          return this.finalize(node, new JSXNode.JSXIdentifier(token.value));
+        };
+
+        JSXParser.prototype.parseJSXElementName = function () {
+          var node = this.createJSXNode();
+          var elementName = this.parseJSXIdentifier();
+
+          if (this.matchJSX(':')) {
+            var namespace = elementName;
+            this.expectJSX(':');
+            var name_1 = this.parseJSXIdentifier();
+            elementName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_1));
+          } else if (this.matchJSX('.')) {
+            while (this.matchJSX('.')) {
+              var object = elementName;
+              this.expectJSX('.');
+              var property = this.parseJSXIdentifier();
+              elementName = this.finalize(node, new JSXNode.JSXMemberExpression(object, property));
+            }
+          }
+
+          return elementName;
+        };
+
+        JSXParser.prototype.parseJSXAttributeName = function () {
+          var node = this.createJSXNode();
+          var attributeName;
+          var identifier = this.parseJSXIdentifier();
+
+          if (this.matchJSX(':')) {
+            var namespace = identifier;
+            this.expectJSX(':');
+            var name_2 = this.parseJSXIdentifier();
+            attributeName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_2));
+          } else {
+            attributeName = identifier;
+          }
+
+          return attributeName;
+        };
+
+        JSXParser.prototype.parseJSXStringLiteralAttribute = function () {
+          var node = this.createJSXNode();
+          var token = this.nextJSXToken();
+
+          if (token.type !== 8
+          /* StringLiteral */
+          ) {
+              this.throwUnexpectedToken(token);
+            }
+
+          var raw = this.getTokenRaw(token);
+          return this.finalize(node, new Node.Literal(token.value, raw));
+        };
+
+        JSXParser.prototype.parseJSXExpressionAttribute = function () {
+          var node = this.createJSXNode();
+          this.expectJSX('{');
+          this.finishJSX();
+
+          if (this.match('}')) {
+            this.tolerateError('JSX attributes must only be assigned a non-empty expression');
+          }
+
+          var expression = this.parseAssignmentExpression();
+          this.reenterJSX();
+          return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
+        };
+
+        JSXParser.prototype.parseJSXAttributeValue = function () {
+          return this.matchJSX('{') ? this.parseJSXExpressionAttribute() : this.matchJSX('<') ? this.parseJSXElement() : this.parseJSXStringLiteralAttribute();
+        };
+
+        JSXParser.prototype.parseJSXNameValueAttribute = function () {
+          var node = this.createJSXNode();
+          var name = this.parseJSXAttributeName();
+          var value = null;
+
+          if (this.matchJSX('=')) {
+            this.expectJSX('=');
+            value = this.parseJSXAttributeValue();
+          }
+
+          return this.finalize(node, new JSXNode.JSXAttribute(name, value));
+        };
+
+        JSXParser.prototype.parseJSXSpreadAttribute = function () {
+          var node = this.createJSXNode();
+          this.expectJSX('{');
+          this.expectJSX('...');
+          this.finishJSX();
+          var argument = this.parseAssignmentExpression();
+          this.reenterJSX();
+          return this.finalize(node, new JSXNode.JSXSpreadAttribute(argument));
+        };
+
+        JSXParser.prototype.parseJSXAttributes = function () {
+          var attributes = [];
+
+          while (!this.matchJSX('/') && !this.matchJSX('>')) {
+            var attribute = this.matchJSX('{') ? this.parseJSXSpreadAttribute() : this.parseJSXNameValueAttribute();
+            attributes.push(attribute);
+          }
+
+          return attributes;
+        };
+
+        JSXParser.prototype.parseJSXOpeningElement = function () {
+          var node = this.createJSXNode();
+          this.expectJSX('<');
+          var name = this.parseJSXElementName();
+          var attributes = this.parseJSXAttributes();
+          var selfClosing = this.matchJSX('/');
+
+          if (selfClosing) {
+            this.expectJSX('/');
+          }
+
+          this.expectJSX('>');
+          return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
+        };
+
+        JSXParser.prototype.parseJSXBoundaryElement = function () {
+          var node = this.createJSXNode();
+          this.expectJSX('<');
+
+          if (this.matchJSX('/')) {
+            this.expectJSX('/');
+            var name_3 = this.parseJSXElementName();
+            this.expectJSX('>');
+            return this.finalize(node, new JSXNode.JSXClosingElement(name_3));
+          }
+
+          var name = this.parseJSXElementName();
+          var attributes = this.parseJSXAttributes();
+          var selfClosing = this.matchJSX('/');
+
+          if (selfClosing) {
+            this.expectJSX('/');
+          }
+
+          this.expectJSX('>');
+          return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
+        };
+
+        JSXParser.prototype.parseJSXEmptyExpression = function () {
+          var node = this.createJSXChildNode();
+          this.collectComments();
+          this.lastMarker.index = this.scanner.index;
+          this.lastMarker.line = this.scanner.lineNumber;
+          this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+          return this.finalize(node, new JSXNode.JSXEmptyExpression());
+        };
+
+        JSXParser.prototype.parseJSXExpressionContainer = function () {
+          var node = this.createJSXNode();
+          this.expectJSX('{');
+          var expression;
+
+          if (this.matchJSX('}')) {
+            expression = this.parseJSXEmptyExpression();
+            this.expectJSX('}');
+          } else {
+            this.finishJSX();
+            expression = this.parseAssignmentExpression();
+            this.reenterJSX();
+          }
+
+          return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
+        };
+
+        JSXParser.prototype.parseJSXChildren = function () {
+          var children = [];
+
+          while (!this.scanner.eof()) {
+            var node = this.createJSXChildNode();
+            var token = this.nextJSXText();
+
+            if (token.start < token.end) {
+              var raw = this.getTokenRaw(token);
+              var child = this.finalize(node, new JSXNode.JSXText(token.value, raw));
+              children.push(child);
+            }
+
+            if (this.scanner.source[this.scanner.index] === '{') {
+              var container = this.parseJSXExpressionContainer();
+              children.push(container);
+            } else {
+              break;
+            }
+          }
+
+          return children;
+        };
+
+        JSXParser.prototype.parseComplexJSXElement = function (el) {
+          var stack = [];
+
+          while (!this.scanner.eof()) {
+            el.children = el.children.concat(this.parseJSXChildren());
+            var node = this.createJSXChildNode();
+            var element = this.parseJSXBoundaryElement();
+
+            if (element.type === jsx_syntax_1.JSXSyntax.JSXOpeningElement) {
+              var opening = element;
+
+              if (opening.selfClosing) {
+                var child = this.finalize(node, new JSXNode.JSXElement(opening, [], null));
+                el.children.push(child);
+              } else {
+                stack.push(el);
+                el = {
+                  node: node,
+                  opening: opening,
+                  closing: null,
+                  children: []
+                };
+              }
+            }
+
+            if (element.type === jsx_syntax_1.JSXSyntax.JSXClosingElement) {
+              el.closing = element;
+              var open_1 = getQualifiedElementName(el.opening.name);
+              var close_1 = getQualifiedElementName(el.closing.name);
+
+              if (open_1 !== close_1) {
+                this.tolerateError('Expected corresponding JSX closing tag for %0', open_1);
+              }
+
+              if (stack.length > 0) {
+                var child = this.finalize(el.node, new JSXNode.JSXElement(el.opening, el.children, el.closing));
+                el = stack[stack.length - 1];
+                el.children.push(child);
+                stack.pop();
+              } else {
+                break;
+              }
+            }
+          }
+
+          return el;
+        };
+
+        JSXParser.prototype.parseJSXElement = function () {
+          var node = this.createJSXNode();
+          var opening = this.parseJSXOpeningElement();
+          var children = [];
+          var closing = null;
+
+          if (!opening.selfClosing) {
+            var el = this.parseComplexJSXElement({
+              node: node,
+              opening: opening,
+              closing: closing,
+              children: children
+            });
+            children = el.children;
+            closing = el.closing;
+          }
+
+          return this.finalize(node, new JSXNode.JSXElement(opening, children, closing));
+        };
+
+        JSXParser.prototype.parseJSXRoot = function () {
+          // Pop the opening '<' added from the lookahead.
+          if (this.config.tokens) {
+            this.tokens.pop();
+          }
+
+          this.startJSX();
+          var element = this.parseJSXElement();
+          this.finishJSX();
+          return element;
+        };
+
+        JSXParser.prototype.isStartOfExpression = function () {
+          return _super.prototype.isStartOfExpression.call(this) || this.match('<');
+        };
+
+        return JSXParser;
+      }(parser_1.Parser);
+
+      exports.JSXParser = JSXParser;
+      /***/
+    },
+    /* 4 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      }); // See also tools/generate-unicode-regex.js.
+
+      var Regex = {
+        // Unicode v8.0.0 NonAsciiIdentifierStart:
+        NonAsciiIdentifierStart: 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+        // Unicode v8.0.0 NonAsciiIdentifierPart:
+        NonAsciiIdentifierPart: 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+      };
+      exports.Character = {
+        /* tslint:disable:no-bitwise */
+        fromCodePoint: function fromCodePoint(cp) {
+          return cp < 0x10000 ? String.fromCharCode(cp) : String.fromCharCode(0xD800 + (cp - 0x10000 >> 10)) + String.fromCharCode(0xDC00 + (cp - 0x10000 & 1023));
+        },
+        // https://tc39.github.io/ecma262/#sec-white-space
+        isWhiteSpace: function isWhiteSpace(cp) {
+          return cp === 0x20 || cp === 0x09 || cp === 0x0B || cp === 0x0C || cp === 0xA0 || cp >= 0x1680 && [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(cp) >= 0;
+        },
+        // https://tc39.github.io/ecma262/#sec-line-terminators
+        isLineTerminator: function isLineTerminator(cp) {
+          return cp === 0x0A || cp === 0x0D || cp === 0x2028 || cp === 0x2029;
+        },
+        // https://tc39.github.io/ecma262/#sec-names-and-keywords
+        isIdentifierStart: function isIdentifierStart(cp) {
+          return cp === 0x24 || cp === 0x5F || cp >= 0x41 && cp <= 0x5A || cp >= 0x61 && cp <= 0x7A || cp === 0x5C || cp >= 0x80 && Regex.NonAsciiIdentifierStart.test(exports.Character.fromCodePoint(cp));
+        },
+        isIdentifierPart: function isIdentifierPart(cp) {
+          return cp === 0x24 || cp === 0x5F || cp >= 0x41 && cp <= 0x5A || cp >= 0x61 && cp <= 0x7A || cp >= 0x30 && cp <= 0x39 || cp === 0x5C || cp >= 0x80 && Regex.NonAsciiIdentifierPart.test(exports.Character.fromCodePoint(cp));
+        },
+        // https://tc39.github.io/ecma262/#sec-literals-numeric-literals
+        isDecimalDigit: function isDecimalDigit(cp) {
+          return cp >= 0x30 && cp <= 0x39; // 0..9
+        },
+        isHexDigit: function isHexDigit(cp) {
+          return cp >= 0x30 && cp <= 0x39 || cp >= 0x41 && cp <= 0x46 || cp >= 0x61 && cp <= 0x66; // a..f
+        },
+        isOctalDigit: function isOctalDigit(cp) {
+          return cp >= 0x30 && cp <= 0x37; // 0..7
+        }
+      };
+      /***/
+    },
+    /* 5 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var jsx_syntax_1 = __webpack_require__(6);
+      /* tslint:disable:max-classes-per-file */
+
+
+      var JSXClosingElement = function () {
+        function JSXClosingElement(name) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXClosingElement;
+          this.name = name;
+        }
+
+        return JSXClosingElement;
+      }();
+
+      exports.JSXClosingElement = JSXClosingElement;
+
+      var JSXElement = function () {
+        function JSXElement(openingElement, children, closingElement) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXElement;
+          this.openingElement = openingElement;
+          this.children = children;
+          this.closingElement = closingElement;
+        }
+
+        return JSXElement;
+      }();
+
+      exports.JSXElement = JSXElement;
+
+      var JSXEmptyExpression = function () {
+        function JSXEmptyExpression() {
+          this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression;
+        }
+
+        return JSXEmptyExpression;
+      }();
+
+      exports.JSXEmptyExpression = JSXEmptyExpression;
+
+      var JSXExpressionContainer = function () {
+        function JSXExpressionContainer(expression) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXExpressionContainer;
+          this.expression = expression;
+        }
+
+        return JSXExpressionContainer;
+      }();
+
+      exports.JSXExpressionContainer = JSXExpressionContainer;
+
+      var JSXIdentifier = function () {
+        function JSXIdentifier(name) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXIdentifier;
+          this.name = name;
+        }
+
+        return JSXIdentifier;
+      }();
+
+      exports.JSXIdentifier = JSXIdentifier;
+
+      var JSXMemberExpression = function () {
+        function JSXMemberExpression(object, property) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXMemberExpression;
+          this.object = object;
+          this.property = property;
+        }
+
+        return JSXMemberExpression;
+      }();
+
+      exports.JSXMemberExpression = JSXMemberExpression;
+
+      var JSXAttribute = function () {
+        function JSXAttribute(name, value) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXAttribute;
+          this.name = name;
+          this.value = value;
+        }
+
+        return JSXAttribute;
+      }();
+
+      exports.JSXAttribute = JSXAttribute;
+
+      var JSXNamespacedName = function () {
+        function JSXNamespacedName(namespace, name) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXNamespacedName;
+          this.namespace = namespace;
+          this.name = name;
+        }
+
+        return JSXNamespacedName;
+      }();
+
+      exports.JSXNamespacedName = JSXNamespacedName;
+
+      var JSXOpeningElement = function () {
+        function JSXOpeningElement(name, selfClosing, attributes) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXOpeningElement;
+          this.name = name;
+          this.selfClosing = selfClosing;
+          this.attributes = attributes;
+        }
+
+        return JSXOpeningElement;
+      }();
+
+      exports.JSXOpeningElement = JSXOpeningElement;
+
+      var JSXSpreadAttribute = function () {
+        function JSXSpreadAttribute(argument) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXSpreadAttribute;
+          this.argument = argument;
+        }
+
+        return JSXSpreadAttribute;
+      }();
+
+      exports.JSXSpreadAttribute = JSXSpreadAttribute;
+
+      var JSXText = function () {
+        function JSXText(value, raw) {
+          this.type = jsx_syntax_1.JSXSyntax.JSXText;
+          this.value = value;
+          this.raw = raw;
+        }
+
+        return JSXText;
+      }();
+
+      exports.JSXText = JSXText;
+      /***/
+    },
+    /* 6 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.JSXSyntax = {
+        JSXAttribute: 'JSXAttribute',
+        JSXClosingElement: 'JSXClosingElement',
+        JSXElement: 'JSXElement',
+        JSXEmptyExpression: 'JSXEmptyExpression',
+        JSXExpressionContainer: 'JSXExpressionContainer',
+        JSXIdentifier: 'JSXIdentifier',
+        JSXMemberExpression: 'JSXMemberExpression',
+        JSXNamespacedName: 'JSXNamespacedName',
+        JSXOpeningElement: 'JSXOpeningElement',
+        JSXSpreadAttribute: 'JSXSpreadAttribute',
+        JSXText: 'JSXText'
+      };
+      /***/
+    },
+    /* 7 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var syntax_1 = __webpack_require__(2);
+      /* tslint:disable:max-classes-per-file */
+
+
+      var ArrayExpression = function () {
+        function ArrayExpression(elements) {
+          this.type = syntax_1.Syntax.ArrayExpression;
+          this.elements = elements;
+        }
+
+        return ArrayExpression;
+      }();
+
+      exports.ArrayExpression = ArrayExpression;
+
+      var ArrayPattern = function () {
+        function ArrayPattern(elements) {
+          this.type = syntax_1.Syntax.ArrayPattern;
+          this.elements = elements;
+        }
+
+        return ArrayPattern;
+      }();
+
+      exports.ArrayPattern = ArrayPattern;
+
+      var ArrowFunctionExpression = function () {
+        function ArrowFunctionExpression(params, body, expression) {
+          this.type = syntax_1.Syntax.ArrowFunctionExpression;
+          this.id = null;
+          this.params = params;
+          this.body = body;
+          this.generator = false;
+          this.expression = expression;
+          this.async = false;
+        }
+
+        return ArrowFunctionExpression;
+      }();
+
+      exports.ArrowFunctionExpression = ArrowFunctionExpression;
+
+      var AssignmentExpression = function () {
+        function AssignmentExpression(operator, left, right) {
+          this.type = syntax_1.Syntax.AssignmentExpression;
+          this.operator = operator;
+          this.left = left;
+          this.right = right;
+        }
+
+        return AssignmentExpression;
+      }();
+
+      exports.AssignmentExpression = AssignmentExpression;
+
+      var AssignmentPattern = function () {
+        function AssignmentPattern(left, right) {
+          this.type = syntax_1.Syntax.AssignmentPattern;
+          this.left = left;
+          this.right = right;
+        }
+
+        return AssignmentPattern;
+      }();
+
+      exports.AssignmentPattern = AssignmentPattern;
+
+      var AsyncArrowFunctionExpression = function () {
+        function AsyncArrowFunctionExpression(params, body, expression) {
+          this.type = syntax_1.Syntax.ArrowFunctionExpression;
+          this.id = null;
+          this.params = params;
+          this.body = body;
+          this.generator = false;
+          this.expression = expression;
+          this.async = true;
+        }
+
+        return AsyncArrowFunctionExpression;
+      }();
+
+      exports.AsyncArrowFunctionExpression = AsyncArrowFunctionExpression;
+
+      var AsyncFunctionDeclaration = function () {
+        function AsyncFunctionDeclaration(id, params, body) {
+          this.type = syntax_1.Syntax.FunctionDeclaration;
+          this.id = id;
+          this.params = params;
+          this.body = body;
+          this.generator = false;
+          this.expression = false;
+          this.async = true;
+        }
+
+        return AsyncFunctionDeclaration;
+      }();
+
+      exports.AsyncFunctionDeclaration = AsyncFunctionDeclaration;
+
+      var AsyncFunctionExpression = function () {
+        function AsyncFunctionExpression(id, params, body) {
+          this.type = syntax_1.Syntax.FunctionExpression;
+          this.id = id;
+          this.params = params;
+          this.body = body;
+          this.generator = false;
+          this.expression = false;
+          this.async = true;
+        }
+
+        return AsyncFunctionExpression;
+      }();
+
+      exports.AsyncFunctionExpression = AsyncFunctionExpression;
+
+      var AwaitExpression = function () {
+        function AwaitExpression(argument) {
+          this.type = syntax_1.Syntax.AwaitExpression;
+          this.argument = argument;
+        }
+
+        return AwaitExpression;
+      }();
+
+      exports.AwaitExpression = AwaitExpression;
+
+      var BinaryExpression = function () {
+        function BinaryExpression(operator, left, right) {
+          var logical = operator === '||' || operator === '&&';
+          this.type = logical ? syntax_1.Syntax.LogicalExpression : syntax_1.Syntax.BinaryExpression;
+          this.operator = operator;
+          this.left = left;
+          this.right = right;
+        }
+
+        return BinaryExpression;
+      }();
+
+      exports.BinaryExpression = BinaryExpression;
+
+      var BlockStatement = function () {
+        function BlockStatement(body) {
+          this.type = syntax_1.Syntax.BlockStatement;
+          this.body = body;
+        }
+
+        return BlockStatement;
+      }();
+
+      exports.BlockStatement = BlockStatement;
+
+      var BreakStatement = function () {
+        function BreakStatement(label) {
+          this.type = syntax_1.Syntax.BreakStatement;
+          this.label = label;
+        }
+
+        return BreakStatement;
+      }();
+
+      exports.BreakStatement = BreakStatement;
+
+      var CallExpression = function () {
+        function CallExpression(callee, args) {
+          this.type = syntax_1.Syntax.CallExpression;
+          this.callee = callee;
+          this.arguments = args;
+        }
+
+        return CallExpression;
+      }();
+
+      exports.CallExpression = CallExpression;
+
+      var CatchClause = function () {
+        function CatchClause(param, body) {
+          this.type = syntax_1.Syntax.CatchClause;
+          this.param = param;
+          this.body = body;
+        }
+
+        return CatchClause;
+      }();
+
+      exports.CatchClause = CatchClause;
+
+      var ClassBody = function () {
+        function ClassBody(body) {
+          this.type = syntax_1.Syntax.ClassBody;
+          this.body = body;
+        }
+
+        return ClassBody;
+      }();
+
+      exports.ClassBody = ClassBody;
+
+      var ClassDeclaration = function () {
+        function ClassDeclaration(id, superClass, body) {
+          this.type = syntax_1.Syntax.ClassDeclaration;
+          this.id = id;
+          this.superClass = superClass;
+          this.body = body;
+        }
+
+        return ClassDeclaration;
+      }();
+
+      exports.ClassDeclaration = ClassDeclaration;
+
+      var ClassExpression = function () {
+        function ClassExpression(id, superClass, body) {
+          this.type = syntax_1.Syntax.ClassExpression;
+          this.id = id;
+          this.superClass = superClass;
+          this.body = body;
+        }
+
+        return ClassExpression;
+      }();
+
+      exports.ClassExpression = ClassExpression;
+
+      var ComputedMemberExpression = function () {
+        function ComputedMemberExpression(object, property) {
+          this.type = syntax_1.Syntax.MemberExpression;
+          this.computed = true;
+          this.object = object;
+          this.property = property;
+        }
+
+        return ComputedMemberExpression;
+      }();
+
+      exports.ComputedMemberExpression = ComputedMemberExpression;
+
+      var ConditionalExpression = function () {
+        function ConditionalExpression(test, consequent, alternate) {
+          this.type = syntax_1.Syntax.ConditionalExpression;
+          this.test = test;
+          this.consequent = consequent;
+          this.alternate = alternate;
+        }
+
+        return ConditionalExpression;
+      }();
+
+      exports.ConditionalExpression = ConditionalExpression;
+
+      var ContinueStatement = function () {
+        function ContinueStatement(label) {
+          this.type = syntax_1.Syntax.ContinueStatement;
+          this.label = label;
+        }
+
+        return ContinueStatement;
+      }();
+
+      exports.ContinueStatement = ContinueStatement;
+
+      var DebuggerStatement = function () {
+        function DebuggerStatement() {
+          this.type = syntax_1.Syntax.DebuggerStatement;
+        }
+
+        return DebuggerStatement;
+      }();
+
+      exports.DebuggerStatement = DebuggerStatement;
+
+      var Directive = function () {
+        function Directive(expression, directive) {
+          this.type = syntax_1.Syntax.ExpressionStatement;
+          this.expression = expression;
+          this.directive = directive;
+        }
+
+        return Directive;
+      }();
+
+      exports.Directive = Directive;
+
+      var DoWhileStatement = function () {
+        function DoWhileStatement(body, test) {
+          this.type = syntax_1.Syntax.DoWhileStatement;
+          this.body = body;
+          this.test = test;
+        }
+
+        return DoWhileStatement;
+      }();
+
+      exports.DoWhileStatement = DoWhileStatement;
+
+      var EmptyStatement = function () {
+        function EmptyStatement() {
+          this.type = syntax_1.Syntax.EmptyStatement;
+        }
+
+        return EmptyStatement;
+      }();
+
+      exports.EmptyStatement = EmptyStatement;
+
+      var ExportAllDeclaration = function () {
+        function ExportAllDeclaration(source) {
+          this.type = syntax_1.Syntax.ExportAllDeclaration;
+          this.source = source;
+        }
+
+        return ExportAllDeclaration;
+      }();
+
+      exports.ExportAllDeclaration = ExportAllDeclaration;
+
+      var ExportDefaultDeclaration = function () {
+        function ExportDefaultDeclaration(declaration) {
+          this.type = syntax_1.Syntax.ExportDefaultDeclaration;
+          this.declaration = declaration;
+        }
+
+        return ExportDefaultDeclaration;
+      }();
+
+      exports.ExportDefaultDeclaration = ExportDefaultDeclaration;
+
+      var ExportNamedDeclaration = function () {
+        function ExportNamedDeclaration(declaration, specifiers, source) {
+          this.type = syntax_1.Syntax.ExportNamedDeclaration;
+          this.declaration = declaration;
+          this.specifiers = specifiers;
+          this.source = source;
+        }
+
+        return ExportNamedDeclaration;
+      }();
+
+      exports.ExportNamedDeclaration = ExportNamedDeclaration;
+
+      var ExportSpecifier = function () {
+        function ExportSpecifier(local, exported) {
+          this.type = syntax_1.Syntax.ExportSpecifier;
+          this.exported = exported;
+          this.local = local;
+        }
+
+        return ExportSpecifier;
+      }();
+
+      exports.ExportSpecifier = ExportSpecifier;
+
+      var ExpressionStatement = function () {
+        function ExpressionStatement(expression) {
+          this.type = syntax_1.Syntax.ExpressionStatement;
+          this.expression = expression;
+        }
+
+        return ExpressionStatement;
+      }();
+
+      exports.ExpressionStatement = ExpressionStatement;
+
+      var ForInStatement = function () {
+        function ForInStatement(left, right, body) {
+          this.type = syntax_1.Syntax.ForInStatement;
+          this.left = left;
+          this.right = right;
+          this.body = body;
+          this.each = false;
+        }
+
+        return ForInStatement;
+      }();
+
+      exports.ForInStatement = ForInStatement;
+
+      var ForOfStatement = function () {
+        function ForOfStatement(left, right, body) {
+          this.type = syntax_1.Syntax.ForOfStatement;
+          this.left = left;
+          this.right = right;
+          this.body = body;
+        }
+
+        return ForOfStatement;
+      }();
+
+      exports.ForOfStatement = ForOfStatement;
+
+      var ForStatement = function () {
+        function ForStatement(init, test, update, body) {
+          this.type = syntax_1.Syntax.ForStatement;
+          this.init = init;
+          this.test = test;
+          this.update = update;
+          this.body = body;
+        }
+
+        return ForStatement;
+      }();
+
+      exports.ForStatement = ForStatement;
+
+      var FunctionDeclaration = function () {
+        function FunctionDeclaration(id, params, body, generator) {
+          this.type = syntax_1.Syntax.FunctionDeclaration;
+          this.id = id;
+          this.params = params;
+          this.body = body;
+          this.generator = generator;
+          this.expression = false;
+          this.async = false;
+        }
+
+        return FunctionDeclaration;
+      }();
+
+      exports.FunctionDeclaration = FunctionDeclaration;
+
+      var FunctionExpression = function () {
+        function FunctionExpression(id, params, body, generator) {
+          this.type = syntax_1.Syntax.FunctionExpression;
+          this.id = id;
+          this.params = params;
+          this.body = body;
+          this.generator = generator;
+          this.expression = false;
+          this.async = false;
+        }
+
+        return FunctionExpression;
+      }();
+
+      exports.FunctionExpression = FunctionExpression;
+
+      var Identifier = function () {
+        function Identifier(name) {
+          this.type = syntax_1.Syntax.Identifier;
+          this.name = name;
+        }
+
+        return Identifier;
+      }();
+
+      exports.Identifier = Identifier;
+
+      var IfStatement = function () {
+        function IfStatement(test, consequent, alternate) {
+          this.type = syntax_1.Syntax.IfStatement;
+          this.test = test;
+          this.consequent = consequent;
+          this.alternate = alternate;
+        }
+
+        return IfStatement;
+      }();
+
+      exports.IfStatement = IfStatement;
+
+      var ImportDeclaration = function () {
+        function ImportDeclaration(specifiers, source) {
+          this.type = syntax_1.Syntax.ImportDeclaration;
+          this.specifiers = specifiers;
+          this.source = source;
+        }
+
+        return ImportDeclaration;
+      }();
+
+      exports.ImportDeclaration = ImportDeclaration;
+
+      var ImportDefaultSpecifier = function () {
+        function ImportDefaultSpecifier(local) {
+          this.type = syntax_1.Syntax.ImportDefaultSpecifier;
+          this.local = local;
+        }
+
+        return ImportDefaultSpecifier;
+      }();
+
+      exports.ImportDefaultSpecifier = ImportDefaultSpecifier;
+
+      var ImportNamespaceSpecifier = function () {
+        function ImportNamespaceSpecifier(local) {
+          this.type = syntax_1.Syntax.ImportNamespaceSpecifier;
+          this.local = local;
+        }
+
+        return ImportNamespaceSpecifier;
+      }();
+
+      exports.ImportNamespaceSpecifier = ImportNamespaceSpecifier;
+
+      var ImportSpecifier = function () {
+        function ImportSpecifier(local, imported) {
+          this.type = syntax_1.Syntax.ImportSpecifier;
+          this.local = local;
+          this.imported = imported;
+        }
+
+        return ImportSpecifier;
+      }();
+
+      exports.ImportSpecifier = ImportSpecifier;
+
+      var LabeledStatement = function () {
+        function LabeledStatement(label, body) {
+          this.type = syntax_1.Syntax.LabeledStatement;
+          this.label = label;
+          this.body = body;
+        }
+
+        return LabeledStatement;
+      }();
+
+      exports.LabeledStatement = LabeledStatement;
+
+      var Literal = function () {
+        function Literal(value, raw) {
+          this.type = syntax_1.Syntax.Literal;
+          this.value = value;
+          this.raw = raw;
+        }
+
+        return Literal;
+      }();
+
+      exports.Literal = Literal;
+
+      var MetaProperty = function () {
+        function MetaProperty(meta, property) {
+          this.type = syntax_1.Syntax.MetaProperty;
+          this.meta = meta;
+          this.property = property;
+        }
+
+        return MetaProperty;
+      }();
+
+      exports.MetaProperty = MetaProperty;
+
+      var MethodDefinition = function () {
+        function MethodDefinition(key, computed, value, kind, isStatic) {
+          this.type = syntax_1.Syntax.MethodDefinition;
+          this.key = key;
+          this.computed = computed;
+          this.value = value;
+          this.kind = kind;
+          this.static = isStatic;
+        }
+
+        return MethodDefinition;
+      }();
+
+      exports.MethodDefinition = MethodDefinition;
+
+      var Module = function () {
+        function Module(body) {
+          this.type = syntax_1.Syntax.Program;
+          this.body = body;
+          this.sourceType = 'module';
+        }
+
+        return Module;
+      }();
+
+      exports.Module = Module;
+
+      var NewExpression = function () {
+        function NewExpression(callee, args) {
+          this.type = syntax_1.Syntax.NewExpression;
+          this.callee = callee;
+          this.arguments = args;
+        }
+
+        return NewExpression;
+      }();
+
+      exports.NewExpression = NewExpression;
+
+      var ObjectExpression = function () {
+        function ObjectExpression(properties) {
+          this.type = syntax_1.Syntax.ObjectExpression;
+          this.properties = properties;
+        }
+
+        return ObjectExpression;
+      }();
+
+      exports.ObjectExpression = ObjectExpression;
+
+      var ObjectPattern = function () {
+        function ObjectPattern(properties) {
+          this.type = syntax_1.Syntax.ObjectPattern;
+          this.properties = properties;
+        }
+
+        return ObjectPattern;
+      }();
+
+      exports.ObjectPattern = ObjectPattern;
+
+      var Property = function () {
+        function Property(kind, key, computed, value, method, shorthand) {
+          this.type = syntax_1.Syntax.Property;
+          this.key = key;
+          this.computed = computed;
+          this.value = value;
+          this.kind = kind;
+          this.method = method;
+          this.shorthand = shorthand;
+        }
+
+        return Property;
+      }();
+
+      exports.Property = Property;
+
+      var RegexLiteral = function () {
+        function RegexLiteral(value, raw, pattern, flags) {
+          this.type = syntax_1.Syntax.Literal;
+          this.value = value;
+          this.raw = raw;
+          this.regex = {
+            pattern: pattern,
+            flags: flags
+          };
+        }
+
+        return RegexLiteral;
+      }();
+
+      exports.RegexLiteral = RegexLiteral;
+
+      var RestElement = function () {
+        function RestElement(argument) {
+          this.type = syntax_1.Syntax.RestElement;
+          this.argument = argument;
+        }
+
+        return RestElement;
+      }();
+
+      exports.RestElement = RestElement;
+
+      var ReturnStatement = function () {
+        function ReturnStatement(argument) {
+          this.type = syntax_1.Syntax.ReturnStatement;
+          this.argument = argument;
+        }
+
+        return ReturnStatement;
+      }();
+
+      exports.ReturnStatement = ReturnStatement;
+
+      var Script = function () {
+        function Script(body) {
+          this.type = syntax_1.Syntax.Program;
+          this.body = body;
+          this.sourceType = 'script';
+        }
+
+        return Script;
+      }();
+
+      exports.Script = Script;
+
+      var SequenceExpression = function () {
+        function SequenceExpression(expressions) {
+          this.type = syntax_1.Syntax.SequenceExpression;
+          this.expressions = expressions;
+        }
+
+        return SequenceExpression;
+      }();
+
+      exports.SequenceExpression = SequenceExpression;
+
+      var SpreadElement = function () {
+        function SpreadElement(argument) {
+          this.type = syntax_1.Syntax.SpreadElement;
+          this.argument = argument;
+        }
+
+        return SpreadElement;
+      }();
+
+      exports.SpreadElement = SpreadElement;
+
+      var StaticMemberExpression = function () {
+        function StaticMemberExpression(object, property) {
+          this.type = syntax_1.Syntax.MemberExpression;
+          this.computed = false;
+          this.object = object;
+          this.property = property;
+        }
+
+        return StaticMemberExpression;
+      }();
+
+      exports.StaticMemberExpression = StaticMemberExpression;
+
+      var Super = function () {
+        function Super() {
+          this.type = syntax_1.Syntax.Super;
+        }
+
+        return Super;
+      }();
+
+      exports.Super = Super;
+
+      var SwitchCase = function () {
+        function SwitchCase(test, consequent) {
+          this.type = syntax_1.Syntax.SwitchCase;
+          this.test = test;
+          this.consequent = consequent;
+        }
+
+        return SwitchCase;
+      }();
+
+      exports.SwitchCase = SwitchCase;
+
+      var SwitchStatement = function () {
+        function SwitchStatement(discriminant, cases) {
+          this.type = syntax_1.Syntax.SwitchStatement;
+          this.discriminant = discriminant;
+          this.cases = cases;
+        }
+
+        return SwitchStatement;
+      }();
+
+      exports.SwitchStatement = SwitchStatement;
+
+      var TaggedTemplateExpression = function () {
+        function TaggedTemplateExpression(tag, quasi) {
+          this.type = syntax_1.Syntax.TaggedTemplateExpression;
+          this.tag = tag;
+          this.quasi = quasi;
+        }
+
+        return TaggedTemplateExpression;
+      }();
+
+      exports.TaggedTemplateExpression = TaggedTemplateExpression;
+
+      var TemplateElement = function () {
+        function TemplateElement(value, tail) {
+          this.type = syntax_1.Syntax.TemplateElement;
+          this.value = value;
+          this.tail = tail;
+        }
+
+        return TemplateElement;
+      }();
+
+      exports.TemplateElement = TemplateElement;
+
+      var TemplateLiteral = function () {
+        function TemplateLiteral(quasis, expressions) {
+          this.type = syntax_1.Syntax.TemplateLiteral;
+          this.quasis = quasis;
+          this.expressions = expressions;
+        }
+
+        return TemplateLiteral;
+      }();
+
+      exports.TemplateLiteral = TemplateLiteral;
+
+      var ThisExpression = function () {
+        function ThisExpression() {
+          this.type = syntax_1.Syntax.ThisExpression;
+        }
+
+        return ThisExpression;
+      }();
+
+      exports.ThisExpression = ThisExpression;
+
+      var ThrowStatement = function () {
+        function ThrowStatement(argument) {
+          this.type = syntax_1.Syntax.ThrowStatement;
+          this.argument = argument;
+        }
+
+        return ThrowStatement;
+      }();
+
+      exports.ThrowStatement = ThrowStatement;
+
+      var TryStatement = function () {
+        function TryStatement(block, handler, finalizer) {
+          this.type = syntax_1.Syntax.TryStatement;
+          this.block = block;
+          this.handler = handler;
+          this.finalizer = finalizer;
+        }
+
+        return TryStatement;
+      }();
+
+      exports.TryStatement = TryStatement;
+
+      var UnaryExpression = function () {
+        function UnaryExpression(operator, argument) {
+          this.type = syntax_1.Syntax.UnaryExpression;
+          this.operator = operator;
+          this.argument = argument;
+          this.prefix = true;
+        }
+
+        return UnaryExpression;
+      }();
+
+      exports.UnaryExpression = UnaryExpression;
+
+      var UpdateExpression = function () {
+        function UpdateExpression(operator, argument, prefix) {
+          this.type = syntax_1.Syntax.UpdateExpression;
+          this.operator = operator;
+          this.argument = argument;
+          this.prefix = prefix;
+        }
+
+        return UpdateExpression;
+      }();
+
+      exports.UpdateExpression = UpdateExpression;
+
+      var VariableDeclaration = function () {
+        function VariableDeclaration(declarations, kind) {
+          this.type = syntax_1.Syntax.VariableDeclaration;
+          this.declarations = declarations;
+          this.kind = kind;
+        }
+
+        return VariableDeclaration;
+      }();
+
+      exports.VariableDeclaration = VariableDeclaration;
+
+      var VariableDeclarator = function () {
+        function VariableDeclarator(id, init) {
+          this.type = syntax_1.Syntax.VariableDeclarator;
+          this.id = id;
+          this.init = init;
+        }
+
+        return VariableDeclarator;
+      }();
+
+      exports.VariableDeclarator = VariableDeclarator;
+
+      var WhileStatement = function () {
+        function WhileStatement(test, body) {
+          this.type = syntax_1.Syntax.WhileStatement;
+          this.test = test;
+          this.body = body;
+        }
+
+        return WhileStatement;
+      }();
+
+      exports.WhileStatement = WhileStatement;
+
+      var WithStatement = function () {
+        function WithStatement(object, body) {
+          this.type = syntax_1.Syntax.WithStatement;
+          this.object = object;
+          this.body = body;
+        }
+
+        return WithStatement;
+      }();
+
+      exports.WithStatement = WithStatement;
+
+      var YieldExpression = function () {
+        function YieldExpression(argument, delegate) {
+          this.type = syntax_1.Syntax.YieldExpression;
+          this.argument = argument;
+          this.delegate = delegate;
+        }
+
+        return YieldExpression;
+      }();
+
+      exports.YieldExpression = YieldExpression;
+      /***/
+    },
+    /* 8 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var assert_1 = __webpack_require__(9);
+
+      var error_handler_1 = __webpack_require__(10);
+
+      var messages_1 = __webpack_require__(11);
+
+      var Node = __webpack_require__(7);
+
+      var scanner_1 = __webpack_require__(12);
+
+      var syntax_1 = __webpack_require__(2);
+
+      var token_1 = __webpack_require__(13);
+
+      var ArrowParameterPlaceHolder = 'ArrowParameterPlaceHolder';
+
+      var Parser = function () {
+        function Parser(code, options, delegate) {
+          if (options === void 0) {
+            options = {};
+          }
+
+          this.config = {
+            range: typeof options.range === 'boolean' && options.range,
+            loc: typeof options.loc === 'boolean' && options.loc,
+            source: null,
+            tokens: typeof options.tokens === 'boolean' && options.tokens,
+            comment: typeof options.comment === 'boolean' && options.comment,
+            tolerant: typeof options.tolerant === 'boolean' && options.tolerant
+          };
+
+          if (this.config.loc && options.source && options.source !== null) {
+            this.config.source = String(options.source);
+          }
+
+          this.delegate = delegate;
+          this.errorHandler = new error_handler_1.ErrorHandler();
+          this.errorHandler.tolerant = this.config.tolerant;
+          this.scanner = new scanner_1.Scanner(code, this.errorHandler);
+          this.scanner.trackComment = this.config.comment;
+          this.operatorPrecedence = {
+            ')': 0,
+            ';': 0,
+            ',': 0,
+            '=': 0,
+            ']': 0,
+            '||': 1,
+            '&&': 2,
+            '|': 3,
+            '^': 4,
+            '&': 5,
+            '==': 6,
+            '!=': 6,
+            '===': 6,
+            '!==': 6,
+            '<': 7,
+            '>': 7,
+            '<=': 7,
+            '>=': 7,
+            '<<': 8,
+            '>>': 8,
+            '>>>': 8,
+            '+': 9,
+            '-': 9,
+            '*': 11,
+            '/': 11,
+            '%': 11
+          };
+          this.lookahead = {
+            type: 2
+            /* EOF */
+            ,
+            value: '',
+            lineNumber: this.scanner.lineNumber,
+            lineStart: 0,
+            start: 0,
+            end: 0
+          };
+          this.hasLineTerminator = false;
+          this.context = {
+            isModule: false,
+            await: false,
+            allowIn: true,
+            allowStrictDirective: true,
+            allowYield: true,
+            firstCoverInitializedNameError: null,
+            isAssignmentTarget: false,
+            isBindingElement: false,
+            inFunctionBody: false,
+            inIteration: false,
+            inSwitch: false,
+            labelSet: {},
+            strict: false
+          };
+          this.tokens = [];
+          this.startMarker = {
+            index: 0,
+            line: this.scanner.lineNumber,
+            column: 0
+          };
+          this.lastMarker = {
+            index: 0,
+            line: this.scanner.lineNumber,
+            column: 0
+          };
+          this.nextToken();
+          this.lastMarker = {
+            index: this.scanner.index,
+            line: this.scanner.lineNumber,
+            column: this.scanner.index - this.scanner.lineStart
+          };
+        }
+
+        Parser.prototype.throwError = function (messageFormat) {
+          var values = [];
+
+          for (var _i = 1; _i < arguments.length; _i++) {
+            values[_i - 1] = arguments[_i];
+          }
+
+          var args = Array.prototype.slice.call(arguments, 1);
+          var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
+            assert_1.assert(idx < args.length, 'Message reference must be in range');
+            return args[idx];
+          });
+          var index = this.lastMarker.index;
+          var line = this.lastMarker.line;
+          var column = this.lastMarker.column + 1;
+          throw this.errorHandler.createError(index, line, column, msg);
+        };
+
+        Parser.prototype.tolerateError = function (messageFormat) {
+          var values = [];
+
+          for (var _i = 1; _i < arguments.length; _i++) {
+            values[_i - 1] = arguments[_i];
+          }
+
+          var args = Array.prototype.slice.call(arguments, 1);
+          var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
+            assert_1.assert(idx < args.length, 'Message reference must be in range');
+            return args[idx];
+          });
+          var index = this.lastMarker.index;
+          var line = this.scanner.lineNumber;
+          var column = this.lastMarker.column + 1;
+          this.errorHandler.tolerateError(index, line, column, msg);
+        }; // Throw an exception because of the token.
+
+
+        Parser.prototype.unexpectedTokenError = function (token, message) {
+          var msg = message || messages_1.Messages.UnexpectedToken;
+          var value;
+
+          if (token) {
+            if (!message) {
+              msg = token.type === 2
+              /* EOF */
+              ? messages_1.Messages.UnexpectedEOS : token.type === 3
+              /* Identifier */
+              ? messages_1.Messages.UnexpectedIdentifier : token.type === 6
+              /* NumericLiteral */
+              ? messages_1.Messages.UnexpectedNumber : token.type === 8
+              /* StringLiteral */
+              ? messages_1.Messages.UnexpectedString : token.type === 10
+              /* Template */
+              ? messages_1.Messages.UnexpectedTemplate : messages_1.Messages.UnexpectedToken;
+
+              if (token.type === 4
+              /* Keyword */
+              ) {
+                  if (this.scanner.isFutureReservedWord(token.value)) {
+                    msg = messages_1.Messages.UnexpectedReserved;
+                  } else if (this.context.strict && this.scanner.isStrictModeReservedWord(token.value)) {
+                    msg = messages_1.Messages.StrictReservedWord;
+                  }
+                }
+            }
+
+            value = token.value;
+          } else {
+            value = 'ILLEGAL';
+          }
+
+          msg = msg.replace('%0', value);
+
+          if (token && typeof token.lineNumber === 'number') {
+            var index = token.start;
+            var line = token.lineNumber;
+            var lastMarkerLineStart = this.lastMarker.index - this.lastMarker.column;
+            var column = token.start - lastMarkerLineStart + 1;
+            return this.errorHandler.createError(index, line, column, msg);
+          } else {
+            var index = this.lastMarker.index;
+            var line = this.lastMarker.line;
+            var column = this.lastMarker.column + 1;
+            return this.errorHandler.createError(index, line, column, msg);
+          }
+        };
+
+        Parser.prototype.throwUnexpectedToken = function (token, message) {
+          throw this.unexpectedTokenError(token, message);
+        };
+
+        Parser.prototype.tolerateUnexpectedToken = function (token, message) {
+          this.errorHandler.tolerate(this.unexpectedTokenError(token, message));
+        };
+
+        Parser.prototype.collectComments = function () {
+          if (!this.config.comment) {
+            this.scanner.scanComments();
+          } else {
+            var comments = this.scanner.scanComments();
+
+            if (comments.length > 0 && this.delegate) {
+              for (var i = 0; i < comments.length; ++i) {
+                var e = comments[i];
+                var node = void 0;
+                node = {
+                  type: e.multiLine ? 'BlockComment' : 'LineComment',
+                  value: this.scanner.source.slice(e.slice[0], e.slice[1])
+                };
+
+                if (this.config.range) {
+                  node.range = e.range;
+                }
+
+                if (this.config.loc) {
+                  node.loc = e.loc;
+                }
+
+                var metadata = {
+                  start: {
+                    line: e.loc.start.line,
+                    column: e.loc.start.column,
+                    offset: e.range[0]
+                  },
+                  end: {
+                    line: e.loc.end.line,
+                    column: e.loc.end.column,
+                    offset: e.range[1]
+                  }
+                };
+                this.delegate(node, metadata);
+              }
+            }
+          }
+        }; // From internal representation to an external structure
+
+
+        Parser.prototype.getTokenRaw = function (token) {
+          return this.scanner.source.slice(token.start, token.end);
+        };
+
+        Parser.prototype.convertToken = function (token) {
+          var t = {
+            type: token_1.TokenName[token.type],
+            value: this.getTokenRaw(token)
+          };
+
+          if (this.config.range) {
+            t.range = [token.start, token.end];
+          }
+
+          if (this.config.loc) {
+            t.loc = {
+              start: {
+                line: this.startMarker.line,
+                column: this.startMarker.column
+              },
+              end: {
+                line: this.scanner.lineNumber,
+                column: this.scanner.index - this.scanner.lineStart
+              }
+            };
+          }
+
+          if (token.type === 9
+          /* RegularExpression */
+          ) {
+              var pattern = token.pattern;
+              var flags = token.flags;
+              t.regex = {
+                pattern: pattern,
+                flags: flags
+              };
+            }
+
+          return t;
+        };
+
+        Parser.prototype.nextToken = function () {
+          var token = this.lookahead;
+          this.lastMarker.index = this.scanner.index;
+          this.lastMarker.line = this.scanner.lineNumber;
+          this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
+          this.collectComments();
+
+          if (this.scanner.index !== this.startMarker.index) {
+            this.startMarker.index = this.scanner.index;
+            this.startMarker.line = this.scanner.lineNumber;
+            this.startMarker.column = this.scanner.index - this.scanner.lineStart;
+          }
+
+          var next = this.scanner.lex();
+          this.hasLineTerminator = token.lineNumber !== next.lineNumber;
+
+          if (next && this.context.strict && next.type === 3
+          /* Identifier */
+          ) {
+              if (this.scanner.isStrictModeReservedWord(next.value)) {
+                next.type = 4
+                /* Keyword */
+                ;
+              }
+            }
+
+          this.lookahead = next;
+
+          if (this.config.tokens && next.type !== 2
+          /* EOF */
+          ) {
+              this.tokens.push(this.convertToken(next));
+            }
+
+          return token;
+        };
+
+        Parser.prototype.nextRegexToken = function () {
+          this.collectComments();
+          var token = this.scanner.scanRegExp();
+
+          if (this.config.tokens) {
+            // Pop the previous token, '/' or '/='
+            // This is added from the lookahead token.
+            this.tokens.pop();
+            this.tokens.push(this.convertToken(token));
+          } // Prime the next lookahead.
+
+
+          this.lookahead = token;
+          this.nextToken();
+          return token;
+        };
+
+        Parser.prototype.createNode = function () {
+          return {
+            index: this.startMarker.index,
+            line: this.startMarker.line,
+            column: this.startMarker.column
+          };
+        };
+
+        Parser.prototype.startNode = function (token, lastLineStart) {
+          if (lastLineStart === void 0) {
+            lastLineStart = 0;
+          }
+
+          var column = token.start - token.lineStart;
+          var line = token.lineNumber;
+
+          if (column < 0) {
+            column += lastLineStart;
+            line--;
+          }
+
+          return {
+            index: token.start,
+            line: line,
+            column: column
+          };
+        };
+
+        Parser.prototype.finalize = function (marker, node) {
+          if (this.config.range) {
+            node.range = [marker.index, this.lastMarker.index];
+          }
+
+          if (this.config.loc) {
+            node.loc = {
+              start: {
+                line: marker.line,
+                column: marker.column
+              },
+              end: {
+                line: this.lastMarker.line,
+                column: this.lastMarker.column
+              }
+            };
+
+            if (this.config.source) {
+              node.loc.source = this.config.source;
+            }
+          }
+
+          if (this.delegate) {
+            var metadata = {
+              start: {
+                line: marker.line,
+                column: marker.column,
+                offset: marker.index
+              },
+              end: {
+                line: this.lastMarker.line,
+                column: this.lastMarker.column,
+                offset: this.lastMarker.index
+              }
+            };
+            this.delegate(node, metadata);
+          }
+
+          return node;
+        }; // Expect the next token to match the specified punctuator.
+        // If not, an exception will be thrown.
+
+
+        Parser.prototype.expect = function (value) {
+          var token = this.nextToken();
+
+          if (token.type !== 7
+          /* Punctuator */
+          || token.value !== value) {
+            this.throwUnexpectedToken(token);
+          }
+        }; // Quietly expect a comma when in tolerant mode, otherwise delegates to expect().
+
+
+        Parser.prototype.expectCommaSeparator = function () {
+          if (this.config.tolerant) {
+            var token = this.lookahead;
+
+            if (token.type === 7
+            /* Punctuator */
+            && token.value === ',') {
+              this.nextToken();
+            } else if (token.type === 7
+            /* Punctuator */
+            && token.value === ';') {
+              this.nextToken();
+              this.tolerateUnexpectedToken(token);
+            } else {
+              this.tolerateUnexpectedToken(token, messages_1.Messages.UnexpectedToken);
+            }
+          } else {
+            this.expect(',');
+          }
+        }; // Expect the next token to match the specified keyword.
+        // If not, an exception will be thrown.
+
+
+        Parser.prototype.expectKeyword = function (keyword) {
+          var token = this.nextToken();
+
+          if (token.type !== 4
+          /* Keyword */
+          || token.value !== keyword) {
+            this.throwUnexpectedToken(token);
+          }
+        }; // Return true if the next token matches the specified punctuator.
+
+
+        Parser.prototype.match = function (value) {
+          return this.lookahead.type === 7
+          /* Punctuator */
+          && this.lookahead.value === value;
+        }; // Return true if the next token matches the specified keyword
+
+
+        Parser.prototype.matchKeyword = function (keyword) {
+          return this.lookahead.type === 4
+          /* Keyword */
+          && this.lookahead.value === keyword;
+        }; // Return true if the next token matches the specified contextual keyword
+        // (where an identifier is sometimes a keyword depending on the context)
+
+
+        Parser.prototype.matchContextualKeyword = function (keyword) {
+          return this.lookahead.type === 3
+          /* Identifier */
+          && this.lookahead.value === keyword;
+        }; // Return true if the next token is an assignment operator
+
+
+        Parser.prototype.matchAssign = function () {
+          if (this.lookahead.type !== 7
+          /* Punctuator */
+          ) {
+              return false;
+            }
+
+          var op = this.lookahead.value;
+          return op === '=' || op === '*=' || op === '**=' || op === '/=' || op === '%=' || op === '+=' || op === '-=' || op === '<<=' || op === '>>=' || op === '>>>=' || op === '&=' || op === '^=' || op === '|=';
+        }; // Cover grammar support.
+        //
+        // When an assignment expression position starts with an left parenthesis, the determination of the type
+        // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead)
+        // or the first comma. This situation also defers the determination of all the expressions nested in the pair.
+        //
+        // There are three productions that can be parsed in a parentheses pair that needs to be determined
+        // after the outermost pair is closed. They are:
+        //
+        //   1. AssignmentExpression
+        //   2. BindingElements
+        //   3. AssignmentTargets
+        //
+        // In order to avoid exponential backtracking, we use two flags to denote if the production can be
+        // binding element or assignment target.
+        //
+        // The three productions have the relationship:
+        //
+        //   BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression
+        //
+        // with a single exception that CoverInitializedName when used directly in an Expression, generates
+        // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the
+        // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair.
+        //
+        // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not
+        // effect the current flags. This means the production the parser parses is only used as an expression. Therefore
+        // the CoverInitializedName check is conducted.
+        //
+        // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates
+        // the flags outside of the parser. This means the production the parser parses is used as a part of a potential
+        // pattern. The CoverInitializedName check is deferred.
+
+
+        Parser.prototype.isolateCoverGrammar = function (parseFunction) {
+          var previousIsBindingElement = this.context.isBindingElement;
+          var previousIsAssignmentTarget = this.context.isAssignmentTarget;
+          var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
+          this.context.isBindingElement = true;
+          this.context.isAssignmentTarget = true;
+          this.context.firstCoverInitializedNameError = null;
+          var result = parseFunction.call(this);
+
+          if (this.context.firstCoverInitializedNameError !== null) {
+            this.throwUnexpectedToken(this.context.firstCoverInitializedNameError);
+          }
+
+          this.context.isBindingElement = previousIsBindingElement;
+          this.context.isAssignmentTarget = previousIsAssignmentTarget;
+          this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError;
+          return result;
+        };
+
+        Parser.prototype.inheritCoverGrammar = function (parseFunction) {
+          var previousIsBindingElement = this.context.isBindingElement;
+          var previousIsAssignmentTarget = this.context.isAssignmentTarget;
+          var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
+          this.context.isBindingElement = true;
+          this.context.isAssignmentTarget = true;
+          this.context.firstCoverInitializedNameError = null;
+          var result = parseFunction.call(this);
+          this.context.isBindingElement = this.context.isBindingElement && previousIsBindingElement;
+          this.context.isAssignmentTarget = this.context.isAssignmentTarget && previousIsAssignmentTarget;
+          this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError || this.context.firstCoverInitializedNameError;
+          return result;
+        };
+
+        Parser.prototype.consumeSemicolon = function () {
+          if (this.match(';')) {
+            this.nextToken();
+          } else if (!this.hasLineTerminator) {
+            if (this.lookahead.type !== 2
+            /* EOF */
+            && !this.match('}')) {
+              this.throwUnexpectedToken(this.lookahead);
+            }
+
+            this.lastMarker.index = this.startMarker.index;
+            this.lastMarker.line = this.startMarker.line;
+            this.lastMarker.column = this.startMarker.column;
+          }
+        }; // https://tc39.github.io/ecma262/#sec-primary-expression
+
+
+        Parser.prototype.parsePrimaryExpression = function () {
+          var node = this.createNode();
+          var expr;
+          var token, raw;
+
+          switch (this.lookahead.type) {
+            case 3
+            /* Identifier */
+            :
+              if ((this.context.isModule || this.context.await) && this.lookahead.value === 'await') {
+                this.tolerateUnexpectedToken(this.lookahead);
+              }
+
+              expr = this.matchAsyncFunction() ? this.parseFunctionExpression() : this.finalize(node, new Node.Identifier(this.nextToken().value));
+              break;
+
+            case 6
+            /* NumericLiteral */
+            :
+            case 8
+            /* StringLiteral */
+            :
+              if (this.context.strict && this.lookahead.octal) {
+                this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.StrictOctalLiteral);
+              }
+
+              this.context.isAssignmentTarget = false;
+              this.context.isBindingElement = false;
+              token = this.nextToken();
+              raw = this.getTokenRaw(token);
+              expr = this.finalize(node, new Node.Literal(token.value, raw));
+              break;
+
+            case 1
+            /* BooleanLiteral */
+            :
+              this.context.isAssignmentTarget = false;
+              this.context.isBindingElement = false;
+              token = this.nextToken();
+              raw = this.getTokenRaw(token);
+              expr = this.finalize(node, new Node.Literal(token.value === 'true', raw));
+              break;
+
+            case 5
+            /* NullLiteral */
+            :
+              this.context.isAssignmentTarget = false;
+              this.context.isBindingElement = false;
+              token = this.nextToken();
+              raw = this.getTokenRaw(token);
+              expr = this.finalize(node, new Node.Literal(null, raw));
+              break;
+
+            case 10
+            /* Template */
+            :
+              expr = this.parseTemplateLiteral();
+              break;
+
+            case 7
+            /* Punctuator */
+            :
+              switch (this.lookahead.value) {
+                case '(':
+                  this.context.isBindingElement = false;
+                  expr = this.inheritCoverGrammar(this.parseGroupExpression);
+                  break;
+
+                case '[':
+                  expr = this.inheritCoverGrammar(this.parseArrayInitializer);
+                  break;
+
+                case '{':
+                  expr = this.inheritCoverGrammar(this.parseObjectInitializer);
+                  break;
+
+                case '/':
+                case '/=':
+                  this.context.isAssignmentTarget = false;
+                  this.context.isBindingElement = false;
+                  this.scanner.index = this.startMarker.index;
+                  token = this.nextRegexToken();
+                  raw = this.getTokenRaw(token);
+                  expr = this.finalize(node, new Node.RegexLiteral(token.regex, raw, token.pattern, token.flags));
+                  break;
+
+                default:
+                  expr = this.throwUnexpectedToken(this.nextToken());
+              }
+
+              break;
+
+            case 4
+            /* Keyword */
+            :
+              if (!this.context.strict && this.context.allowYield && this.matchKeyword('yield')) {
+                expr = this.parseIdentifierName();
+              } else if (!this.context.strict && this.matchKeyword('let')) {
+                expr = this.finalize(node, new Node.Identifier(this.nextToken().value));
+              } else {
+                this.context.isAssignmentTarget = false;
+                this.context.isBindingElement = false;
+
+                if (this.matchKeyword('function')) {
+                  expr = this.parseFunctionExpression();
+                } else if (this.matchKeyword('this')) {
+                  this.nextToken();
+                  expr = this.finalize(node, new Node.ThisExpression());
+                } else if (this.matchKeyword('class')) {
+                  expr = this.parseClassExpression();
+                } else {
+                  expr = this.throwUnexpectedToken(this.nextToken());
+                }
+              }
+
+              break;
+
+            default:
+              expr = this.throwUnexpectedToken(this.nextToken());
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-array-initializer
+
+
+        Parser.prototype.parseSpreadElement = function () {
+          var node = this.createNode();
+          this.expect('...');
+          var arg = this.inheritCoverGrammar(this.parseAssignmentExpression);
+          return this.finalize(node, new Node.SpreadElement(arg));
+        };
+
+        Parser.prototype.parseArrayInitializer = function () {
+          var node = this.createNode();
+          var elements = [];
+          this.expect('[');
+
+          while (!this.match(']')) {
+            if (this.match(',')) {
+              this.nextToken();
+              elements.push(null);
+            } else if (this.match('...')) {
+              var element = this.parseSpreadElement();
+
+              if (!this.match(']')) {
+                this.context.isAssignmentTarget = false;
+                this.context.isBindingElement = false;
+                this.expect(',');
+              }
+
+              elements.push(element);
+            } else {
+              elements.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
+
+              if (!this.match(']')) {
+                this.expect(',');
+              }
+            }
+          }
+
+          this.expect(']');
+          return this.finalize(node, new Node.ArrayExpression(elements));
+        }; // https://tc39.github.io/ecma262/#sec-object-initializer
+
+
+        Parser.prototype.parsePropertyMethod = function (params) {
+          this.context.isAssignmentTarget = false;
+          this.context.isBindingElement = false;
+          var previousStrict = this.context.strict;
+          var previousAllowStrictDirective = this.context.allowStrictDirective;
+          this.context.allowStrictDirective = params.simple;
+          var body = this.isolateCoverGrammar(this.parseFunctionSourceElements);
+
+          if (this.context.strict && params.firstRestricted) {
+            this.tolerateUnexpectedToken(params.firstRestricted, params.message);
+          }
+
+          if (this.context.strict && params.stricted) {
+            this.tolerateUnexpectedToken(params.stricted, params.message);
+          }
+
+          this.context.strict = previousStrict;
+          this.context.allowStrictDirective = previousAllowStrictDirective;
+          return body;
+        };
+
+        Parser.prototype.parsePropertyMethodFunction = function () {
+          var isGenerator = false;
+          var node = this.createNode();
+          var previousAllowYield = this.context.allowYield;
+          this.context.allowYield = true;
+          var params = this.parseFormalParameters();
+          var method = this.parsePropertyMethod(params);
+          this.context.allowYield = previousAllowYield;
+          return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
+        };
+
+        Parser.prototype.parsePropertyMethodAsyncFunction = function () {
+          var node = this.createNode();
+          var previousAllowYield = this.context.allowYield;
+          var previousAwait = this.context.await;
+          this.context.allowYield = false;
+          this.context.await = true;
+          var params = this.parseFormalParameters();
+          var method = this.parsePropertyMethod(params);
+          this.context.allowYield = previousAllowYield;
+          this.context.await = previousAwait;
+          return this.finalize(node, new Node.AsyncFunctionExpression(null, params.params, method));
+        };
+
+        Parser.prototype.parseObjectPropertyKey = function () {
+          var node = this.createNode();
+          var token = this.nextToken();
+          var key;
+
+          switch (token.type) {
+            case 8
+            /* StringLiteral */
+            :
+            case 6
+            /* NumericLiteral */
+            :
+              if (this.context.strict && token.octal) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictOctalLiteral);
+              }
+
+              var raw = this.getTokenRaw(token);
+              key = this.finalize(node, new Node.Literal(token.value, raw));
+              break;
+
+            case 3
+            /* Identifier */
+            :
+            case 1
+            /* BooleanLiteral */
+            :
+            case 5
+            /* NullLiteral */
+            :
+            case 4
+            /* Keyword */
+            :
+              key = this.finalize(node, new Node.Identifier(token.value));
+              break;
+
+            case 7
+            /* Punctuator */
+            :
+              if (token.value === '[') {
+                key = this.isolateCoverGrammar(this.parseAssignmentExpression);
+                this.expect(']');
+              } else {
+                key = this.throwUnexpectedToken(token);
+              }
+
+              break;
+
+            default:
+              key = this.throwUnexpectedToken(token);
+          }
+
+          return key;
+        };
+
+        Parser.prototype.isPropertyKey = function (key, value) {
+          return key.type === syntax_1.Syntax.Identifier && key.name === value || key.type === syntax_1.Syntax.Literal && key.value === value;
+        };
+
+        Parser.prototype.parseObjectProperty = function (hasProto) {
+          var node = this.createNode();
+          var token = this.lookahead;
+          var kind;
+          var key = null;
+          var value = null;
+          var computed = false;
+          var method = false;
+          var shorthand = false;
+          var isAsync = false;
+
+          if (token.type === 3
+          /* Identifier */
+          ) {
+              var id = token.value;
+              this.nextToken();
+              computed = this.match('[');
+              isAsync = !this.hasLineTerminator && id === 'async' && !this.match(':') && !this.match('(') && !this.match('*') && !this.match(',');
+              key = isAsync ? this.parseObjectPropertyKey() : this.finalize(node, new Node.Identifier(id));
+            } else if (this.match('*')) {
+            this.nextToken();
+          } else {
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+          }
+
+          var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
+
+          if (token.type === 3
+          /* Identifier */
+          && !isAsync && token.value === 'get' && lookaheadPropertyKey) {
+            kind = 'get';
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            this.context.allowYield = false;
+            value = this.parseGetterMethod();
+          } else if (token.type === 3
+          /* Identifier */
+          && !isAsync && token.value === 'set' && lookaheadPropertyKey) {
+            kind = 'set';
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            value = this.parseSetterMethod();
+          } else if (token.type === 7
+          /* Punctuator */
+          && token.value === '*' && lookaheadPropertyKey) {
+            kind = 'init';
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            value = this.parseGeneratorMethod();
+            method = true;
+          } else {
+            if (!key) {
+              this.throwUnexpectedToken(this.lookahead);
+            }
+
+            kind = 'init';
+
+            if (this.match(':') && !isAsync) {
+              if (!computed && this.isPropertyKey(key, '__proto__')) {
+                if (hasProto.value) {
+                  this.tolerateError(messages_1.Messages.DuplicateProtoProperty);
+                }
+
+                hasProto.value = true;
+              }
+
+              this.nextToken();
+              value = this.inheritCoverGrammar(this.parseAssignmentExpression);
+            } else if (this.match('(')) {
+              value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction();
+              method = true;
+            } else if (token.type === 3
+            /* Identifier */
+            ) {
+                var id = this.finalize(node, new Node.Identifier(token.value));
+
+                if (this.match('=')) {
+                  this.context.firstCoverInitializedNameError = this.lookahead;
+                  this.nextToken();
+                  shorthand = true;
+                  var init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+                  value = this.finalize(node, new Node.AssignmentPattern(id, init));
+                } else {
+                  shorthand = true;
+                  value = id;
+                }
+              } else {
+              this.throwUnexpectedToken(this.nextToken());
+            }
+          }
+
+          return this.finalize(node, new Node.Property(kind, key, computed, value, method, shorthand));
+        };
+
+        Parser.prototype.parseObjectInitializer = function () {
+          var node = this.createNode();
+          this.expect('{');
+          var properties = [];
+          var hasProto = {
+            value: false
+          };
+
+          while (!this.match('}')) {
+            properties.push(this.parseObjectProperty(hasProto));
+
+            if (!this.match('}')) {
+              this.expectCommaSeparator();
+            }
+          }
+
+          this.expect('}');
+          return this.finalize(node, new Node.ObjectExpression(properties));
+        }; // https://tc39.github.io/ecma262/#sec-template-literals
+
+
+        Parser.prototype.parseTemplateHead = function () {
+          assert_1.assert(this.lookahead.head, 'Template literal must start with a template head');
+          var node = this.createNode();
+          var token = this.nextToken();
+          var raw = token.value;
+          var cooked = token.cooked;
+          return this.finalize(node, new Node.TemplateElement({
+            raw: raw,
+            cooked: cooked
+          }, token.tail));
+        };
+
+        Parser.prototype.parseTemplateElement = function () {
+          if (this.lookahead.type !== 10
+          /* Template */
+          ) {
+              this.throwUnexpectedToken();
+            }
+
+          var node = this.createNode();
+          var token = this.nextToken();
+          var raw = token.value;
+          var cooked = token.cooked;
+          return this.finalize(node, new Node.TemplateElement({
+            raw: raw,
+            cooked: cooked
+          }, token.tail));
+        };
+
+        Parser.prototype.parseTemplateLiteral = function () {
+          var node = this.createNode();
+          var expressions = [];
+          var quasis = [];
+          var quasi = this.parseTemplateHead();
+          quasis.push(quasi);
+
+          while (!quasi.tail) {
+            expressions.push(this.parseExpression());
+            quasi = this.parseTemplateElement();
+            quasis.push(quasi);
+          }
+
+          return this.finalize(node, new Node.TemplateLiteral(quasis, expressions));
+        }; // https://tc39.github.io/ecma262/#sec-grouping-operator
+
+
+        Parser.prototype.reinterpretExpressionAsPattern = function (expr) {
+          switch (expr.type) {
+            case syntax_1.Syntax.Identifier:
+            case syntax_1.Syntax.MemberExpression:
+            case syntax_1.Syntax.RestElement:
+            case syntax_1.Syntax.AssignmentPattern:
+              break;
+
+            case syntax_1.Syntax.SpreadElement:
+              expr.type = syntax_1.Syntax.RestElement;
+              this.reinterpretExpressionAsPattern(expr.argument);
+              break;
+
+            case syntax_1.Syntax.ArrayExpression:
+              expr.type = syntax_1.Syntax.ArrayPattern;
+
+              for (var i = 0; i < expr.elements.length; i++) {
+                if (expr.elements[i] !== null) {
+                  this.reinterpretExpressionAsPattern(expr.elements[i]);
+                }
+              }
+
+              break;
+
+            case syntax_1.Syntax.ObjectExpression:
+              expr.type = syntax_1.Syntax.ObjectPattern;
+
+              for (var i = 0; i < expr.properties.length; i++) {
+                this.reinterpretExpressionAsPattern(expr.properties[i].value);
+              }
+
+              break;
+
+            case syntax_1.Syntax.AssignmentExpression:
+              expr.type = syntax_1.Syntax.AssignmentPattern;
+              delete expr.operator;
+              this.reinterpretExpressionAsPattern(expr.left);
+              break;
+
+            default:
+              // Allow other node type for tolerant parsing.
+              break;
+          }
+        };
+
+        Parser.prototype.parseGroupExpression = function () {
+          var expr;
+          this.expect('(');
+
+          if (this.match(')')) {
+            this.nextToken();
+
+            if (!this.match('=>')) {
+              this.expect('=>');
+            }
+
+            expr = {
+              type: ArrowParameterPlaceHolder,
+              params: [],
+              async: false
+            };
+          } else {
+            var startToken = this.lookahead;
+            var params = [];
+
+            if (this.match('...')) {
+              expr = this.parseRestElement(params);
+              this.expect(')');
+
+              if (!this.match('=>')) {
+                this.expect('=>');
+              }
+
+              expr = {
+                type: ArrowParameterPlaceHolder,
+                params: [expr],
+                async: false
+              };
+            } else {
+              var arrow = false;
+              this.context.isBindingElement = true;
+              expr = this.inheritCoverGrammar(this.parseAssignmentExpression);
+
+              if (this.match(',')) {
+                var expressions = [];
+                this.context.isAssignmentTarget = false;
+                expressions.push(expr);
+
+                while (this.lookahead.type !== 2
+                /* EOF */
+                ) {
+                  if (!this.match(',')) {
+                    break;
+                  }
+
+                  this.nextToken();
+
+                  if (this.match(')')) {
+                    this.nextToken();
+
+                    for (var i = 0; i < expressions.length; i++) {
+                      this.reinterpretExpressionAsPattern(expressions[i]);
+                    }
+
+                    arrow = true;
+                    expr = {
+                      type: ArrowParameterPlaceHolder,
+                      params: expressions,
+                      async: false
+                    };
+                  } else if (this.match('...')) {
+                    if (!this.context.isBindingElement) {
+                      this.throwUnexpectedToken(this.lookahead);
+                    }
+
+                    expressions.push(this.parseRestElement(params));
+                    this.expect(')');
+
+                    if (!this.match('=>')) {
+                      this.expect('=>');
+                    }
+
+                    this.context.isBindingElement = false;
+
+                    for (var i = 0; i < expressions.length; i++) {
+                      this.reinterpretExpressionAsPattern(expressions[i]);
+                    }
+
+                    arrow = true;
+                    expr = {
+                      type: ArrowParameterPlaceHolder,
+                      params: expressions,
+                      async: false
+                    };
+                  } else {
+                    expressions.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
+                  }
+
+                  if (arrow) {
+                    break;
+                  }
+                }
+
+                if (!arrow) {
+                  expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
+                }
+              }
+
+              if (!arrow) {
+                this.expect(')');
+
+                if (this.match('=>')) {
+                  if (expr.type === syntax_1.Syntax.Identifier && expr.name === 'yield') {
+                    arrow = true;
+                    expr = {
+                      type: ArrowParameterPlaceHolder,
+                      params: [expr],
+                      async: false
+                    };
+                  }
+
+                  if (!arrow) {
+                    if (!this.context.isBindingElement) {
+                      this.throwUnexpectedToken(this.lookahead);
+                    }
+
+                    if (expr.type === syntax_1.Syntax.SequenceExpression) {
+                      for (var i = 0; i < expr.expressions.length; i++) {
+                        this.reinterpretExpressionAsPattern(expr.expressions[i]);
+                      }
+                    } else {
+                      this.reinterpretExpressionAsPattern(expr);
+                    }
+
+                    var parameters = expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr];
+                    expr = {
+                      type: ArrowParameterPlaceHolder,
+                      params: parameters,
+                      async: false
+                    };
+                  }
+                }
+
+                this.context.isBindingElement = false;
+              }
+            }
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-left-hand-side-expressions
+
+
+        Parser.prototype.parseArguments = function () {
+          this.expect('(');
+          var args = [];
+
+          if (!this.match(')')) {
+            while (true) {
+              var expr = this.match('...') ? this.parseSpreadElement() : this.isolateCoverGrammar(this.parseAssignmentExpression);
+              args.push(expr);
+
+              if (this.match(')')) {
+                break;
+              }
+
+              this.expectCommaSeparator();
+
+              if (this.match(')')) {
+                break;
+              }
+            }
+          }
+
+          this.expect(')');
+          return args;
+        };
+
+        Parser.prototype.isIdentifierName = function (token) {
+          return token.type === 3
+          /* Identifier */
+          || token.type === 4
+          /* Keyword */
+          || token.type === 1
+          /* BooleanLiteral */
+          || token.type === 5
+          /* NullLiteral */
+          ;
+        };
+
+        Parser.prototype.parseIdentifierName = function () {
+          var node = this.createNode();
+          var token = this.nextToken();
+
+          if (!this.isIdentifierName(token)) {
+            this.throwUnexpectedToken(token);
+          }
+
+          return this.finalize(node, new Node.Identifier(token.value));
+        };
+
+        Parser.prototype.parseNewExpression = function () {
+          var node = this.createNode();
+          var id = this.parseIdentifierName();
+          assert_1.assert(id.name === 'new', 'New expression must start with `new`');
+          var expr;
+
+          if (this.match('.')) {
+            this.nextToken();
+
+            if (this.lookahead.type === 3
+            /* Identifier */
+            && this.context.inFunctionBody && this.lookahead.value === 'target') {
+              var property = this.parseIdentifierName();
+              expr = new Node.MetaProperty(id, property);
+            } else {
+              this.throwUnexpectedToken(this.lookahead);
+            }
+          } else {
+            var callee = this.isolateCoverGrammar(this.parseLeftHandSideExpression);
+            var args = this.match('(') ? this.parseArguments() : [];
+            expr = new Node.NewExpression(callee, args);
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+          }
+
+          return this.finalize(node, expr);
+        };
+
+        Parser.prototype.parseAsyncArgument = function () {
+          var arg = this.parseAssignmentExpression();
+          this.context.firstCoverInitializedNameError = null;
+          return arg;
+        };
+
+        Parser.prototype.parseAsyncArguments = function () {
+          this.expect('(');
+          var args = [];
+
+          if (!this.match(')')) {
+            while (true) {
+              var expr = this.match('...') ? this.parseSpreadElement() : this.isolateCoverGrammar(this.parseAsyncArgument);
+              args.push(expr);
+
+              if (this.match(')')) {
+                break;
+              }
+
+              this.expectCommaSeparator();
+
+              if (this.match(')')) {
+                break;
+              }
+            }
+          }
+
+          this.expect(')');
+          return args;
+        };
+
+        Parser.prototype.parseLeftHandSideExpressionAllowCall = function () {
+          var startToken = this.lookahead;
+          var maybeAsync = this.matchContextualKeyword('async');
+          var previousAllowIn = this.context.allowIn;
+          this.context.allowIn = true;
+          var expr;
+
+          if (this.matchKeyword('super') && this.context.inFunctionBody) {
+            expr = this.createNode();
+            this.nextToken();
+            expr = this.finalize(expr, new Node.Super());
+
+            if (!this.match('(') && !this.match('.') && !this.match('[')) {
+              this.throwUnexpectedToken(this.lookahead);
+            }
+          } else {
+            expr = this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
+          }
+
+          while (true) {
+            if (this.match('.')) {
+              this.context.isBindingElement = false;
+              this.context.isAssignmentTarget = true;
+              this.expect('.');
+              var property = this.parseIdentifierName();
+              expr = this.finalize(this.startNode(startToken), new Node.StaticMemberExpression(expr, property));
+            } else if (this.match('(')) {
+              var asyncArrow = maybeAsync && startToken.lineNumber === this.lookahead.lineNumber;
+              this.context.isBindingElement = false;
+              this.context.isAssignmentTarget = false;
+              var args = asyncArrow ? this.parseAsyncArguments() : this.parseArguments();
+              expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args));
+
+              if (asyncArrow && this.match('=>')) {
+                for (var i = 0; i < args.length; ++i) {
+                  this.reinterpretExpressionAsPattern(args[i]);
+                }
+
+                expr = {
+                  type: ArrowParameterPlaceHolder,
+                  params: args,
+                  async: true
+                };
+              }
+            } else if (this.match('[')) {
+              this.context.isBindingElement = false;
+              this.context.isAssignmentTarget = true;
+              this.expect('[');
+              var property = this.isolateCoverGrammar(this.parseExpression);
+              this.expect(']');
+              expr = this.finalize(this.startNode(startToken), new Node.ComputedMemberExpression(expr, property));
+            } else if (this.lookahead.type === 10
+            /* Template */
+            && this.lookahead.head) {
+              var quasi = this.parseTemplateLiteral();
+              expr = this.finalize(this.startNode(startToken), new Node.TaggedTemplateExpression(expr, quasi));
+            } else {
+              break;
+            }
+          }
+
+          this.context.allowIn = previousAllowIn;
+          return expr;
+        };
+
+        Parser.prototype.parseSuper = function () {
+          var node = this.createNode();
+          this.expectKeyword('super');
+
+          if (!this.match('[') && !this.match('.')) {
+            this.throwUnexpectedToken(this.lookahead);
+          }
+
+          return this.finalize(node, new Node.Super());
+        };
+
+        Parser.prototype.parseLeftHandSideExpression = function () {
+          assert_1.assert(this.context.allowIn, 'callee of new expression always allow in keyword.');
+          var node = this.startNode(this.lookahead);
+          var expr = this.matchKeyword('super') && this.context.inFunctionBody ? this.parseSuper() : this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
+
+          while (true) {
+            if (this.match('[')) {
+              this.context.isBindingElement = false;
+              this.context.isAssignmentTarget = true;
+              this.expect('[');
+              var property = this.isolateCoverGrammar(this.parseExpression);
+              this.expect(']');
+              expr = this.finalize(node, new Node.ComputedMemberExpression(expr, property));
+            } else if (this.match('.')) {
+              this.context.isBindingElement = false;
+              this.context.isAssignmentTarget = true;
+              this.expect('.');
+              var property = this.parseIdentifierName();
+              expr = this.finalize(node, new Node.StaticMemberExpression(expr, property));
+            } else if (this.lookahead.type === 10
+            /* Template */
+            && this.lookahead.head) {
+              var quasi = this.parseTemplateLiteral();
+              expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi));
+            } else {
+              break;
+            }
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-update-expressions
+
+
+        Parser.prototype.parseUpdateExpression = function () {
+          var expr;
+          var startToken = this.lookahead;
+
+          if (this.match('++') || this.match('--')) {
+            var node = this.startNode(startToken);
+            var token = this.nextToken();
+            expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+
+            if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
+              this.tolerateError(messages_1.Messages.StrictLHSPrefix);
+            }
+
+            if (!this.context.isAssignmentTarget) {
+              this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+            }
+
+            var prefix = true;
+            expr = this.finalize(node, new Node.UpdateExpression(token.value, expr, prefix));
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+          } else {
+            expr = this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+
+            if (!this.hasLineTerminator && this.lookahead.type === 7
+            /* Punctuator */
+            ) {
+                if (this.match('++') || this.match('--')) {
+                  if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
+                    this.tolerateError(messages_1.Messages.StrictLHSPostfix);
+                  }
+
+                  if (!this.context.isAssignmentTarget) {
+                    this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+                  }
+
+                  this.context.isAssignmentTarget = false;
+                  this.context.isBindingElement = false;
+                  var operator = this.nextToken().value;
+                  var prefix = false;
+                  expr = this.finalize(this.startNode(startToken), new Node.UpdateExpression(operator, expr, prefix));
+                }
+              }
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-unary-operators
+
+
+        Parser.prototype.parseAwaitExpression = function () {
+          var node = this.createNode();
+          this.nextToken();
+          var argument = this.parseUnaryExpression();
+          return this.finalize(node, new Node.AwaitExpression(argument));
+        };
+
+        Parser.prototype.parseUnaryExpression = function () {
+          var expr;
+
+          if (this.match('+') || this.match('-') || this.match('~') || this.match('!') || this.matchKeyword('delete') || this.matchKeyword('void') || this.matchKeyword('typeof')) {
+            var node = this.startNode(this.lookahead);
+            var token = this.nextToken();
+            expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+            expr = this.finalize(node, new Node.UnaryExpression(token.value, expr));
+
+            if (this.context.strict && expr.operator === 'delete' && expr.argument.type === syntax_1.Syntax.Identifier) {
+              this.tolerateError(messages_1.Messages.StrictDelete);
+            }
+
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+          } else if (this.context.await && this.matchContextualKeyword('await')) {
+            expr = this.parseAwaitExpression();
+          } else {
+            expr = this.parseUpdateExpression();
+          }
+
+          return expr;
+        };
+
+        Parser.prototype.parseExponentiationExpression = function () {
+          var startToken = this.lookahead;
+          var expr = this.inheritCoverGrammar(this.parseUnaryExpression);
+
+          if (expr.type !== syntax_1.Syntax.UnaryExpression && this.match('**')) {
+            this.nextToken();
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+            var left = expr;
+            var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
+            expr = this.finalize(this.startNode(startToken), new Node.BinaryExpression('**', left, right));
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-exp-operator
+        // https://tc39.github.io/ecma262/#sec-multiplicative-operators
+        // https://tc39.github.io/ecma262/#sec-additive-operators
+        // https://tc39.github.io/ecma262/#sec-bitwise-shift-operators
+        // https://tc39.github.io/ecma262/#sec-relational-operators
+        // https://tc39.github.io/ecma262/#sec-equality-operators
+        // https://tc39.github.io/ecma262/#sec-binary-bitwise-operators
+        // https://tc39.github.io/ecma262/#sec-binary-logical-operators
+
+
+        Parser.prototype.binaryPrecedence = function (token) {
+          var op = token.value;
+          var precedence;
+
+          if (token.type === 7
+          /* Punctuator */
+          ) {
+              precedence = this.operatorPrecedence[op] || 0;
+            } else if (token.type === 4
+          /* Keyword */
+          ) {
+              precedence = op === 'instanceof' || this.context.allowIn && op === 'in' ? 7 : 0;
+            } else {
+            precedence = 0;
+          }
+
+          return precedence;
+        };
+
+        Parser.prototype.parseBinaryExpression = function () {
+          var startToken = this.lookahead;
+          var expr = this.inheritCoverGrammar(this.parseExponentiationExpression);
+          var token = this.lookahead;
+          var prec = this.binaryPrecedence(token);
+
+          if (prec > 0) {
+            this.nextToken();
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+            var markers = [startToken, this.lookahead];
+            var left = expr;
+            var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
+            var stack = [left, token.value, right];
+            var precedences = [prec];
+
+            while (true) {
+              prec = this.binaryPrecedence(this.lookahead);
+
+              if (prec <= 0) {
+                break;
+              } // Reduce: make a binary expression from the three topmost entries.
+
+
+              while (stack.length > 2 && prec <= precedences[precedences.length - 1]) {
+                right = stack.pop();
+                var operator = stack.pop();
+                precedences.pop();
+                left = stack.pop();
+                markers.pop();
+                var node = this.startNode(markers[markers.length - 1]);
+                stack.push(this.finalize(node, new Node.BinaryExpression(operator, left, right)));
+              } // Shift.
+
+
+              stack.push(this.nextToken().value);
+              precedences.push(prec);
+              markers.push(this.lookahead);
+              stack.push(this.isolateCoverGrammar(this.parseExponentiationExpression));
+            } // Final reduce to clean-up the stack.
+
+
+            var i = stack.length - 1;
+            expr = stack[i];
+            var lastMarker = markers.pop();
+
+            while (i > 1) {
+              var marker = markers.pop();
+              var lastLineStart = lastMarker && lastMarker.lineStart;
+              var node = this.startNode(marker, lastLineStart);
+              var operator = stack[i - 1];
+              expr = this.finalize(node, new Node.BinaryExpression(operator, stack[i - 2], expr));
+              i -= 2;
+              lastMarker = marker;
+            }
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-conditional-operator
+
+
+        Parser.prototype.parseConditionalExpression = function () {
+          var startToken = this.lookahead;
+          var expr = this.inheritCoverGrammar(this.parseBinaryExpression);
+
+          if (this.match('?')) {
+            this.nextToken();
+            var previousAllowIn = this.context.allowIn;
+            this.context.allowIn = true;
+            var consequent = this.isolateCoverGrammar(this.parseAssignmentExpression);
+            this.context.allowIn = previousAllowIn;
+            this.expect(':');
+            var alternate = this.isolateCoverGrammar(this.parseAssignmentExpression);
+            expr = this.finalize(this.startNode(startToken), new Node.ConditionalExpression(expr, consequent, alternate));
+            this.context.isAssignmentTarget = false;
+            this.context.isBindingElement = false;
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-assignment-operators
+
+
+        Parser.prototype.checkPatternParam = function (options, param) {
+          switch (param.type) {
+            case syntax_1.Syntax.Identifier:
+              this.validateParam(options, param, param.name);
+              break;
+
+            case syntax_1.Syntax.RestElement:
+              this.checkPatternParam(options, param.argument);
+              break;
+
+            case syntax_1.Syntax.AssignmentPattern:
+              this.checkPatternParam(options, param.left);
+              break;
+
+            case syntax_1.Syntax.ArrayPattern:
+              for (var i = 0; i < param.elements.length; i++) {
+                if (param.elements[i] !== null) {
+                  this.checkPatternParam(options, param.elements[i]);
+                }
+              }
+
+              break;
+
+            case syntax_1.Syntax.ObjectPattern:
+              for (var i = 0; i < param.properties.length; i++) {
+                this.checkPatternParam(options, param.properties[i].value);
+              }
+
+              break;
+
+            default:
+              break;
+          }
+
+          options.simple = options.simple && param instanceof Node.Identifier;
+        };
+
+        Parser.prototype.reinterpretAsCoverFormalsList = function (expr) {
+          var params = [expr];
+          var options;
+          var asyncArrow = false;
+
+          switch (expr.type) {
+            case syntax_1.Syntax.Identifier:
+              break;
+
+            case ArrowParameterPlaceHolder:
+              params = expr.params;
+              asyncArrow = expr.async;
+              break;
+
+            default:
+              return null;
+          }
+
+          options = {
+            simple: true,
+            paramSet: {}
+          };
+
+          for (var i = 0; i < params.length; ++i) {
+            var param = params[i];
+
+            if (param.type === syntax_1.Syntax.AssignmentPattern) {
+              if (param.right.type === syntax_1.Syntax.YieldExpression) {
+                if (param.right.argument) {
+                  this.throwUnexpectedToken(this.lookahead);
+                }
+
+                param.right.type = syntax_1.Syntax.Identifier;
+                param.right.name = 'yield';
+                delete param.right.argument;
+                delete param.right.delegate;
+              }
+            } else if (asyncArrow && param.type === syntax_1.Syntax.Identifier && param.name === 'await') {
+              this.throwUnexpectedToken(this.lookahead);
+            }
+
+            this.checkPatternParam(options, param);
+            params[i] = param;
+          }
+
+          if (this.context.strict || !this.context.allowYield) {
+            for (var i = 0; i < params.length; ++i) {
+              var param = params[i];
+
+              if (param.type === syntax_1.Syntax.YieldExpression) {
+                this.throwUnexpectedToken(this.lookahead);
+              }
+            }
+          }
+
+          if (options.message === messages_1.Messages.StrictParamDupe) {
+            var token = this.context.strict ? options.stricted : options.firstRestricted;
+            this.throwUnexpectedToken(token, options.message);
+          }
+
+          return {
+            simple: options.simple,
+            params: params,
+            stricted: options.stricted,
+            firstRestricted: options.firstRestricted,
+            message: options.message
+          };
+        };
+
+        Parser.prototype.parseAssignmentExpression = function () {
+          var expr;
+
+          if (!this.context.allowYield && this.matchKeyword('yield')) {
+            expr = this.parseYieldExpression();
+          } else {
+            var startToken = this.lookahead;
+            var token = startToken;
+            expr = this.parseConditionalExpression();
+
+            if (token.type === 3
+            /* Identifier */
+            && token.lineNumber === this.lookahead.lineNumber && token.value === 'async') {
+              if (this.lookahead.type === 3
+              /* Identifier */
+              || this.matchKeyword('yield')) {
+                var arg = this.parsePrimaryExpression();
+                this.reinterpretExpressionAsPattern(arg);
+                expr = {
+                  type: ArrowParameterPlaceHolder,
+                  params: [arg],
+                  async: true
+                };
+              }
+            }
+
+            if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) {
+              // https://tc39.github.io/ecma262/#sec-arrow-function-definitions
+              this.context.isAssignmentTarget = false;
+              this.context.isBindingElement = false;
+              var isAsync = expr.async;
+              var list = this.reinterpretAsCoverFormalsList(expr);
+
+              if (list) {
+                if (this.hasLineTerminator) {
+                  this.tolerateUnexpectedToken(this.lookahead);
+                }
+
+                this.context.firstCoverInitializedNameError = null;
+                var previousStrict = this.context.strict;
+                var previousAllowStrictDirective = this.context.allowStrictDirective;
+                this.context.allowStrictDirective = list.simple;
+                var previousAllowYield = this.context.allowYield;
+                var previousAwait = this.context.await;
+                this.context.allowYield = true;
+                this.context.await = isAsync;
+                var node = this.startNode(startToken);
+                this.expect('=>');
+                var body = void 0;
+
+                if (this.match('{')) {
+                  var previousAllowIn = this.context.allowIn;
+                  this.context.allowIn = true;
+                  body = this.parseFunctionSourceElements();
+                  this.context.allowIn = previousAllowIn;
+                } else {
+                  body = this.isolateCoverGrammar(this.parseAssignmentExpression);
+                }
+
+                var expression = body.type !== syntax_1.Syntax.BlockStatement;
+
+                if (this.context.strict && list.firstRestricted) {
+                  this.throwUnexpectedToken(list.firstRestricted, list.message);
+                }
+
+                if (this.context.strict && list.stricted) {
+                  this.tolerateUnexpectedToken(list.stricted, list.message);
+                }
+
+                expr = isAsync ? this.finalize(node, new Node.AsyncArrowFunctionExpression(list.params, body, expression)) : this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression));
+                this.context.strict = previousStrict;
+                this.context.allowStrictDirective = previousAllowStrictDirective;
+                this.context.allowYield = previousAllowYield;
+                this.context.await = previousAwait;
+              }
+            } else {
+              if (this.matchAssign()) {
+                if (!this.context.isAssignmentTarget) {
+                  this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
+                }
+
+                if (this.context.strict && expr.type === syntax_1.Syntax.Identifier) {
+                  var id = expr;
+
+                  if (this.scanner.isRestrictedWord(id.name)) {
+                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictLHSAssignment);
+                  }
+
+                  if (this.scanner.isStrictModeReservedWord(id.name)) {
+                    this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+                  }
+                }
+
+                if (!this.match('=')) {
+                  this.context.isAssignmentTarget = false;
+                  this.context.isBindingElement = false;
+                } else {
+                  this.reinterpretExpressionAsPattern(expr);
+                }
+
+                token = this.nextToken();
+                var operator = token.value;
+                var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
+                expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(operator, expr, right));
+                this.context.firstCoverInitializedNameError = null;
+              }
+            }
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-comma-operator
+
+
+        Parser.prototype.parseExpression = function () {
+          var startToken = this.lookahead;
+          var expr = this.isolateCoverGrammar(this.parseAssignmentExpression);
+
+          if (this.match(',')) {
+            var expressions = [];
+            expressions.push(expr);
+
+            while (this.lookahead.type !== 2
+            /* EOF */
+            ) {
+              if (!this.match(',')) {
+                break;
+              }
+
+              this.nextToken();
+              expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
+            }
+
+            expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
+          }
+
+          return expr;
+        }; // https://tc39.github.io/ecma262/#sec-block
+
+
+        Parser.prototype.parseStatementListItem = function () {
+          var statement;
+          this.context.isAssignmentTarget = true;
+          this.context.isBindingElement = true;
+
+          if (this.lookahead.type === 4
+          /* Keyword */
+          ) {
+              switch (this.lookahead.value) {
+                case 'export':
+                  if (!this.context.isModule) {
+                    this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration);
+                  }
+
+                  statement = this.parseExportDeclaration();
+                  break;
+
+                case 'import':
+                  if (!this.context.isModule) {
+                    this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalImportDeclaration);
+                  }
+
+                  statement = this.parseImportDeclaration();
+                  break;
+
+                case 'const':
+                  statement = this.parseLexicalDeclaration({
+                    inFor: false
+                  });
+                  break;
+
+                case 'function':
+                  statement = this.parseFunctionDeclaration();
+                  break;
+
+                case 'class':
+                  statement = this.parseClassDeclaration();
+                  break;
+
+                case 'let':
+                  statement = this.isLexicalDeclaration() ? this.parseLexicalDeclaration({
+                    inFor: false
+                  }) : this.parseStatement();
+                  break;
+
+                default:
+                  statement = this.parseStatement();
+                  break;
+              }
+            } else {
+            statement = this.parseStatement();
+          }
+
+          return statement;
+        };
+
+        Parser.prototype.parseBlock = function () {
+          var node = this.createNode();
+          this.expect('{');
+          var block = [];
+
+          while (true) {
+            if (this.match('}')) {
+              break;
+            }
+
+            block.push(this.parseStatementListItem());
+          }
+
+          this.expect('}');
+          return this.finalize(node, new Node.BlockStatement(block));
+        }; // https://tc39.github.io/ecma262/#sec-let-and-const-declarations
+
+
+        Parser.prototype.parseLexicalBinding = function (kind, options) {
+          var node = this.createNode();
+          var params = [];
+          var id = this.parsePattern(params, kind);
+
+          if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
+            if (this.scanner.isRestrictedWord(id.name)) {
+              this.tolerateError(messages_1.Messages.StrictVarName);
+            }
+          }
+
+          var init = null;
+
+          if (kind === 'const') {
+            if (!this.matchKeyword('in') && !this.matchContextualKeyword('of')) {
+              if (this.match('=')) {
+                this.nextToken();
+                init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+              } else {
+                this.throwError(messages_1.Messages.DeclarationMissingInitializer, 'const');
+              }
+            }
+          } else if (!options.inFor && id.type !== syntax_1.Syntax.Identifier || this.match('=')) {
+            this.expect('=');
+            init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+          }
+
+          return this.finalize(node, new Node.VariableDeclarator(id, init));
+        };
+
+        Parser.prototype.parseBindingList = function (kind, options) {
+          var list = [this.parseLexicalBinding(kind, options)];
+
+          while (this.match(',')) {
+            this.nextToken();
+            list.push(this.parseLexicalBinding(kind, options));
+          }
+
+          return list;
+        };
+
+        Parser.prototype.isLexicalDeclaration = function () {
+          var state = this.scanner.saveState();
+          this.scanner.scanComments();
+          var next = this.scanner.lex();
+          this.scanner.restoreState(state);
+          return next.type === 3
+          /* Identifier */
+          || next.type === 7
+          /* Punctuator */
+          && next.value === '[' || next.type === 7
+          /* Punctuator */
+          && next.value === '{' || next.type === 4
+          /* Keyword */
+          && next.value === 'let' || next.type === 4
+          /* Keyword */
+          && next.value === 'yield';
+        };
+
+        Parser.prototype.parseLexicalDeclaration = function (options) {
+          var node = this.createNode();
+          var kind = this.nextToken().value;
+          assert_1.assert(kind === 'let' || kind === 'const', 'Lexical declaration must be either let or const');
+          var declarations = this.parseBindingList(kind, options);
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.VariableDeclaration(declarations, kind));
+        }; // https://tc39.github.io/ecma262/#sec-destructuring-binding-patterns
+
+
+        Parser.prototype.parseBindingRestElement = function (params, kind) {
+          var node = this.createNode();
+          this.expect('...');
+          var arg = this.parsePattern(params, kind);
+          return this.finalize(node, new Node.RestElement(arg));
+        };
+
+        Parser.prototype.parseArrayPattern = function (params, kind) {
+          var node = this.createNode();
+          this.expect('[');
+          var elements = [];
+
+          while (!this.match(']')) {
+            if (this.match(',')) {
+              this.nextToken();
+              elements.push(null);
+            } else {
+              if (this.match('...')) {
+                elements.push(this.parseBindingRestElement(params, kind));
+                break;
+              } else {
+                elements.push(this.parsePatternWithDefault(params, kind));
+              }
+
+              if (!this.match(']')) {
+                this.expect(',');
+              }
+            }
+          }
+
+          this.expect(']');
+          return this.finalize(node, new Node.ArrayPattern(elements));
+        };
+
+        Parser.prototype.parsePropertyPattern = function (params, kind) {
+          var node = this.createNode();
+          var computed = false;
+          var shorthand = false;
+          var method = false;
+          var key;
+          var value;
+
+          if (this.lookahead.type === 3
+          /* Identifier */
+          ) {
+              var keyToken = this.lookahead;
+              key = this.parseVariableIdentifier();
+              var init = this.finalize(node, new Node.Identifier(keyToken.value));
+
+              if (this.match('=')) {
+                params.push(keyToken);
+                shorthand = true;
+                this.nextToken();
+                var expr = this.parseAssignmentExpression();
+                value = this.finalize(this.startNode(keyToken), new Node.AssignmentPattern(init, expr));
+              } else if (!this.match(':')) {
+                params.push(keyToken);
+                shorthand = true;
+                value = init;
+              } else {
+                this.expect(':');
+                value = this.parsePatternWithDefault(params, kind);
+              }
+            } else {
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            this.expect(':');
+            value = this.parsePatternWithDefault(params, kind);
+          }
+
+          return this.finalize(node, new Node.Property('init', key, computed, value, method, shorthand));
+        };
+
+        Parser.prototype.parseObjectPattern = function (params, kind) {
+          var node = this.createNode();
+          var properties = [];
+          this.expect('{');
+
+          while (!this.match('}')) {
+            properties.push(this.parsePropertyPattern(params, kind));
+
+            if (!this.match('}')) {
+              this.expect(',');
+            }
+          }
+
+          this.expect('}');
+          return this.finalize(node, new Node.ObjectPattern(properties));
+        };
+
+        Parser.prototype.parsePattern = function (params, kind) {
+          var pattern;
+
+          if (this.match('[')) {
+            pattern = this.parseArrayPattern(params, kind);
+          } else if (this.match('{')) {
+            pattern = this.parseObjectPattern(params, kind);
+          } else {
+            if (this.matchKeyword('let') && (kind === 'const' || kind === 'let')) {
+              this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.LetInLexicalBinding);
+            }
+
+            params.push(this.lookahead);
+            pattern = this.parseVariableIdentifier(kind);
+          }
+
+          return pattern;
+        };
+
+        Parser.prototype.parsePatternWithDefault = function (params, kind) {
+          var startToken = this.lookahead;
+          var pattern = this.parsePattern(params, kind);
+
+          if (this.match('=')) {
+            this.nextToken();
+            var previousAllowYield = this.context.allowYield;
+            this.context.allowYield = true;
+            var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
+            this.context.allowYield = previousAllowYield;
+            pattern = this.finalize(this.startNode(startToken), new Node.AssignmentPattern(pattern, right));
+          }
+
+          return pattern;
+        }; // https://tc39.github.io/ecma262/#sec-variable-statement
+
+
+        Parser.prototype.parseVariableIdentifier = function (kind) {
+          var node = this.createNode();
+          var token = this.nextToken();
+
+          if (token.type === 4
+          /* Keyword */
+          && token.value === 'yield') {
+            if (this.context.strict) {
+              this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+            } else if (!this.context.allowYield) {
+              this.throwUnexpectedToken(token);
+            }
+          } else if (token.type !== 3
+          /* Identifier */
+          ) {
+              if (this.context.strict && token.type === 4
+              /* Keyword */
+              && this.scanner.isStrictModeReservedWord(token.value)) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
+              } else {
+                if (this.context.strict || token.value !== 'let' || kind !== 'var') {
+                  this.throwUnexpectedToken(token);
+                }
+              }
+            } else if ((this.context.isModule || this.context.await) && token.type === 3
+          /* Identifier */
+          && token.value === 'await') {
+            this.tolerateUnexpectedToken(token);
+          }
+
+          return this.finalize(node, new Node.Identifier(token.value));
+        };
+
+        Parser.prototype.parseVariableDeclaration = function (options) {
+          var node = this.createNode();
+          var params = [];
+          var id = this.parsePattern(params, 'var');
+
+          if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
+            if (this.scanner.isRestrictedWord(id.name)) {
+              this.tolerateError(messages_1.Messages.StrictVarName);
+            }
+          }
+
+          var init = null;
+
+          if (this.match('=')) {
+            this.nextToken();
+            init = this.isolateCoverGrammar(this.parseAssignmentExpression);
+          } else if (id.type !== syntax_1.Syntax.Identifier && !options.inFor) {
+            this.expect('=');
+          }
+
+          return this.finalize(node, new Node.VariableDeclarator(id, init));
+        };
+
+        Parser.prototype.parseVariableDeclarationList = function (options) {
+          var opt = {
+            inFor: options.inFor
+          };
+          var list = [];
+          list.push(this.parseVariableDeclaration(opt));
+
+          while (this.match(',')) {
+            this.nextToken();
+            list.push(this.parseVariableDeclaration(opt));
+          }
+
+          return list;
+        };
+
+        Parser.prototype.parseVariableStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('var');
+          var declarations = this.parseVariableDeclarationList({
+            inFor: false
+          });
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.VariableDeclaration(declarations, 'var'));
+        }; // https://tc39.github.io/ecma262/#sec-empty-statement
+
+
+        Parser.prototype.parseEmptyStatement = function () {
+          var node = this.createNode();
+          this.expect(';');
+          return this.finalize(node, new Node.EmptyStatement());
+        }; // https://tc39.github.io/ecma262/#sec-expression-statement
+
+
+        Parser.prototype.parseExpressionStatement = function () {
+          var node = this.createNode();
+          var expr = this.parseExpression();
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.ExpressionStatement(expr));
+        }; // https://tc39.github.io/ecma262/#sec-if-statement
+
+
+        Parser.prototype.parseIfClause = function () {
+          if (this.context.strict && this.matchKeyword('function')) {
+            this.tolerateError(messages_1.Messages.StrictFunction);
+          }
+
+          return this.parseStatement();
+        };
+
+        Parser.prototype.parseIfStatement = function () {
+          var node = this.createNode();
+          var consequent;
+          var alternate = null;
+          this.expectKeyword('if');
+          this.expect('(');
+          var test = this.parseExpression();
+
+          if (!this.match(')') && this.config.tolerant) {
+            this.tolerateUnexpectedToken(this.nextToken());
+            consequent = this.finalize(this.createNode(), new Node.EmptyStatement());
+          } else {
+            this.expect(')');
+            consequent = this.parseIfClause();
+
+            if (this.matchKeyword('else')) {
+              this.nextToken();
+              alternate = this.parseIfClause();
+            }
+          }
+
+          return this.finalize(node, new Node.IfStatement(test, consequent, alternate));
+        }; // https://tc39.github.io/ecma262/#sec-do-while-statement
+
+
+        Parser.prototype.parseDoWhileStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('do');
+          var previousInIteration = this.context.inIteration;
+          this.context.inIteration = true;
+          var body = this.parseStatement();
+          this.context.inIteration = previousInIteration;
+          this.expectKeyword('while');
+          this.expect('(');
+          var test = this.parseExpression();
+
+          if (!this.match(')') && this.config.tolerant) {
+            this.tolerateUnexpectedToken(this.nextToken());
+          } else {
+            this.expect(')');
+
+            if (this.match(';')) {
+              this.nextToken();
+            }
+          }
+
+          return this.finalize(node, new Node.DoWhileStatement(body, test));
+        }; // https://tc39.github.io/ecma262/#sec-while-statement
+
+
+        Parser.prototype.parseWhileStatement = function () {
+          var node = this.createNode();
+          var body;
+          this.expectKeyword('while');
+          this.expect('(');
+          var test = this.parseExpression();
+
+          if (!this.match(')') && this.config.tolerant) {
+            this.tolerateUnexpectedToken(this.nextToken());
+            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+          } else {
+            this.expect(')');
+            var previousInIteration = this.context.inIteration;
+            this.context.inIteration = true;
+            body = this.parseStatement();
+            this.context.inIteration = previousInIteration;
+          }
+
+          return this.finalize(node, new Node.WhileStatement(test, body));
+        }; // https://tc39.github.io/ecma262/#sec-for-statement
+        // https://tc39.github.io/ecma262/#sec-for-in-and-for-of-statements
+
+
+        Parser.prototype.parseForStatement = function () {
+          var init = null;
+          var test = null;
+          var update = null;
+          var forIn = true;
+          var left, right;
+          var node = this.createNode();
+          this.expectKeyword('for');
+          this.expect('(');
+
+          if (this.match(';')) {
+            this.nextToken();
+          } else {
+            if (this.matchKeyword('var')) {
+              init = this.createNode();
+              this.nextToken();
+              var previousAllowIn = this.context.allowIn;
+              this.context.allowIn = false;
+              var declarations = this.parseVariableDeclarationList({
+                inFor: true
+              });
+              this.context.allowIn = previousAllowIn;
+
+              if (declarations.length === 1 && this.matchKeyword('in')) {
+                var decl = declarations[0];
+
+                if (decl.init && (decl.id.type === syntax_1.Syntax.ArrayPattern || decl.id.type === syntax_1.Syntax.ObjectPattern || this.context.strict)) {
+                  this.tolerateError(messages_1.Messages.ForInOfLoopInitializer, 'for-in');
+                }
+
+                init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+                this.nextToken();
+                left = init;
+                right = this.parseExpression();
+                init = null;
+              } else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
+                init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+                this.nextToken();
+                left = init;
+                right = this.parseAssignmentExpression();
+                init = null;
+                forIn = false;
+              } else {
+                init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
+                this.expect(';');
+              }
+            } else if (this.matchKeyword('const') || this.matchKeyword('let')) {
+              init = this.createNode();
+              var kind = this.nextToken().value;
+
+              if (!this.context.strict && this.lookahead.value === 'in') {
+                init = this.finalize(init, new Node.Identifier(kind));
+                this.nextToken();
+                left = init;
+                right = this.parseExpression();
+                init = null;
+              } else {
+                var previousAllowIn = this.context.allowIn;
+                this.context.allowIn = false;
+                var declarations = this.parseBindingList(kind, {
+                  inFor: true
+                });
+                this.context.allowIn = previousAllowIn;
+
+                if (declarations.length === 1 && declarations[0].init === null && this.matchKeyword('in')) {
+                  init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+                  this.nextToken();
+                  left = init;
+                  right = this.parseExpression();
+                  init = null;
+                } else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
+                  init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+                  this.nextToken();
+                  left = init;
+                  right = this.parseAssignmentExpression();
+                  init = null;
+                  forIn = false;
+                } else {
+                  this.consumeSemicolon();
+                  init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
+                }
+              }
+            } else {
+              var initStartToken = this.lookahead;
+              var previousAllowIn = this.context.allowIn;
+              this.context.allowIn = false;
+              init = this.inheritCoverGrammar(this.parseAssignmentExpression);
+              this.context.allowIn = previousAllowIn;
+
+              if (this.matchKeyword('in')) {
+                if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
+                  this.tolerateError(messages_1.Messages.InvalidLHSInForIn);
+                }
+
+                this.nextToken();
+                this.reinterpretExpressionAsPattern(init);
+                left = init;
+                right = this.parseExpression();
+                init = null;
+              } else if (this.matchContextualKeyword('of')) {
+                if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
+                  this.tolerateError(messages_1.Messages.InvalidLHSInForLoop);
+                }
+
+                this.nextToken();
+                this.reinterpretExpressionAsPattern(init);
+                left = init;
+                right = this.parseAssignmentExpression();
+                init = null;
+                forIn = false;
+              } else {
+                if (this.match(',')) {
+                  var initSeq = [init];
+
+                  while (this.match(',')) {
+                    this.nextToken();
+                    initSeq.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
+                  }
+
+                  init = this.finalize(this.startNode(initStartToken), new Node.SequenceExpression(initSeq));
+                }
+
+                this.expect(';');
+              }
+            }
+          }
+
+          if (typeof left === 'undefined') {
+            if (!this.match(';')) {
+              test = this.parseExpression();
+            }
+
+            this.expect(';');
+
+            if (!this.match(')')) {
+              update = this.parseExpression();
+            }
+          }
+
+          var body;
+
+          if (!this.match(')') && this.config.tolerant) {
+            this.tolerateUnexpectedToken(this.nextToken());
+            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+          } else {
+            this.expect(')');
+            var previousInIteration = this.context.inIteration;
+            this.context.inIteration = true;
+            body = this.isolateCoverGrammar(this.parseStatement);
+            this.context.inIteration = previousInIteration;
+          }
+
+          return typeof left === 'undefined' ? this.finalize(node, new Node.ForStatement(init, test, update, body)) : forIn ? this.finalize(node, new Node.ForInStatement(left, right, body)) : this.finalize(node, new Node.ForOfStatement(left, right, body));
+        }; // https://tc39.github.io/ecma262/#sec-continue-statement
+
+
+        Parser.prototype.parseContinueStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('continue');
+          var label = null;
+
+          if (this.lookahead.type === 3
+          /* Identifier */
+          && !this.hasLineTerminator) {
+            var id = this.parseVariableIdentifier();
+            label = id;
+            var key = '$' + id.name;
+
+            if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+              this.throwError(messages_1.Messages.UnknownLabel, id.name);
+            }
+          }
+
+          this.consumeSemicolon();
+
+          if (label === null && !this.context.inIteration) {
+            this.throwError(messages_1.Messages.IllegalContinue);
+          }
+
+          return this.finalize(node, new Node.ContinueStatement(label));
+        }; // https://tc39.github.io/ecma262/#sec-break-statement
+
+
+        Parser.prototype.parseBreakStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('break');
+          var label = null;
+
+          if (this.lookahead.type === 3
+          /* Identifier */
+          && !this.hasLineTerminator) {
+            var id = this.parseVariableIdentifier();
+            var key = '$' + id.name;
+
+            if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+              this.throwError(messages_1.Messages.UnknownLabel, id.name);
+            }
+
+            label = id;
+          }
+
+          this.consumeSemicolon();
+
+          if (label === null && !this.context.inIteration && !this.context.inSwitch) {
+            this.throwError(messages_1.Messages.IllegalBreak);
+          }
+
+          return this.finalize(node, new Node.BreakStatement(label));
+        }; // https://tc39.github.io/ecma262/#sec-return-statement
+
+
+        Parser.prototype.parseReturnStatement = function () {
+          if (!this.context.inFunctionBody) {
+            this.tolerateError(messages_1.Messages.IllegalReturn);
+          }
+
+          var node = this.createNode();
+          this.expectKeyword('return');
+          var hasArgument = !this.match(';') && !this.match('}') && !this.hasLineTerminator && this.lookahead.type !== 2
+          /* EOF */
+          || this.lookahead.type === 8
+          /* StringLiteral */
+          || this.lookahead.type === 10
+          /* Template */
+          ;
+          var argument = hasArgument ? this.parseExpression() : null;
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.ReturnStatement(argument));
+        }; // https://tc39.github.io/ecma262/#sec-with-statement
+
+
+        Parser.prototype.parseWithStatement = function () {
+          if (this.context.strict) {
+            this.tolerateError(messages_1.Messages.StrictModeWith);
+          }
+
+          var node = this.createNode();
+          var body;
+          this.expectKeyword('with');
+          this.expect('(');
+          var object = this.parseExpression();
+
+          if (!this.match(')') && this.config.tolerant) {
+            this.tolerateUnexpectedToken(this.nextToken());
+            body = this.finalize(this.createNode(), new Node.EmptyStatement());
+          } else {
+            this.expect(')');
+            body = this.parseStatement();
+          }
+
+          return this.finalize(node, new Node.WithStatement(object, body));
+        }; // https://tc39.github.io/ecma262/#sec-switch-statement
+
+
+        Parser.prototype.parseSwitchCase = function () {
+          var node = this.createNode();
+          var test;
+
+          if (this.matchKeyword('default')) {
+            this.nextToken();
+            test = null;
+          } else {
+            this.expectKeyword('case');
+            test = this.parseExpression();
+          }
+
+          this.expect(':');
+          var consequent = [];
+
+          while (true) {
+            if (this.match('}') || this.matchKeyword('default') || this.matchKeyword('case')) {
+              break;
+            }
+
+            consequent.push(this.parseStatementListItem());
+          }
+
+          return this.finalize(node, new Node.SwitchCase(test, consequent));
+        };
+
+        Parser.prototype.parseSwitchStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('switch');
+          this.expect('(');
+          var discriminant = this.parseExpression();
+          this.expect(')');
+          var previousInSwitch = this.context.inSwitch;
+          this.context.inSwitch = true;
+          var cases = [];
+          var defaultFound = false;
+          this.expect('{');
+
+          while (true) {
+            if (this.match('}')) {
+              break;
+            }
+
+            var clause = this.parseSwitchCase();
+
+            if (clause.test === null) {
+              if (defaultFound) {
+                this.throwError(messages_1.Messages.MultipleDefaultsInSwitch);
+              }
+
+              defaultFound = true;
+            }
+
+            cases.push(clause);
+          }
+
+          this.expect('}');
+          this.context.inSwitch = previousInSwitch;
+          return this.finalize(node, new Node.SwitchStatement(discriminant, cases));
+        }; // https://tc39.github.io/ecma262/#sec-labelled-statements
+
+
+        Parser.prototype.parseLabelledStatement = function () {
+          var node = this.createNode();
+          var expr = this.parseExpression();
+          var statement;
+
+          if (expr.type === syntax_1.Syntax.Identifier && this.match(':')) {
+            this.nextToken();
+            var id = expr;
+            var key = '$' + id.name;
+
+            if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
+              this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name);
+            }
+
+            this.context.labelSet[key] = true;
+            var body = void 0;
+
+            if (this.matchKeyword('class')) {
+              this.tolerateUnexpectedToken(this.lookahead);
+              body = this.parseClassDeclaration();
+            } else if (this.matchKeyword('function')) {
+              var token = this.lookahead;
+              var declaration = this.parseFunctionDeclaration();
+
+              if (this.context.strict) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunction);
+              } else if (declaration.generator) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.GeneratorInLegacyContext);
+              }
+
+              body = declaration;
+            } else {
+              body = this.parseStatement();
+            }
+
+            delete this.context.labelSet[key];
+            statement = new Node.LabeledStatement(id, body);
+          } else {
+            this.consumeSemicolon();
+            statement = new Node.ExpressionStatement(expr);
+          }
+
+          return this.finalize(node, statement);
+        }; // https://tc39.github.io/ecma262/#sec-throw-statement
+
+
+        Parser.prototype.parseThrowStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('throw');
+
+          if (this.hasLineTerminator) {
+            this.throwError(messages_1.Messages.NewlineAfterThrow);
+          }
+
+          var argument = this.parseExpression();
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.ThrowStatement(argument));
+        }; // https://tc39.github.io/ecma262/#sec-try-statement
+
+
+        Parser.prototype.parseCatchClause = function () {
+          var node = this.createNode();
+          this.expectKeyword('catch');
+          this.expect('(');
+
+          if (this.match(')')) {
+            this.throwUnexpectedToken(this.lookahead);
+          }
+
+          var params = [];
+          var param = this.parsePattern(params);
+          var paramMap = {};
+
+          for (var i = 0; i < params.length; i++) {
+            var key = '$' + params[i].value;
+
+            if (Object.prototype.hasOwnProperty.call(paramMap, key)) {
+              this.tolerateError(messages_1.Messages.DuplicateBinding, params[i].value);
+            }
+
+            paramMap[key] = true;
+          }
+
+          if (this.context.strict && param.type === syntax_1.Syntax.Identifier) {
+            if (this.scanner.isRestrictedWord(param.name)) {
+              this.tolerateError(messages_1.Messages.StrictCatchVariable);
+            }
+          }
+
+          this.expect(')');
+          var body = this.parseBlock();
+          return this.finalize(node, new Node.CatchClause(param, body));
+        };
+
+        Parser.prototype.parseFinallyClause = function () {
+          this.expectKeyword('finally');
+          return this.parseBlock();
+        };
+
+        Parser.prototype.parseTryStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('try');
+          var block = this.parseBlock();
+          var handler = this.matchKeyword('catch') ? this.parseCatchClause() : null;
+          var finalizer = this.matchKeyword('finally') ? this.parseFinallyClause() : null;
+
+          if (!handler && !finalizer) {
+            this.throwError(messages_1.Messages.NoCatchOrFinally);
+          }
+
+          return this.finalize(node, new Node.TryStatement(block, handler, finalizer));
+        }; // https://tc39.github.io/ecma262/#sec-debugger-statement
+
+
+        Parser.prototype.parseDebuggerStatement = function () {
+          var node = this.createNode();
+          this.expectKeyword('debugger');
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.DebuggerStatement());
+        }; // https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations
+
+
+        Parser.prototype.parseStatement = function () {
+          var statement;
+
+          switch (this.lookahead.type) {
+            case 1
+            /* BooleanLiteral */
+            :
+            case 5
+            /* NullLiteral */
+            :
+            case 6
+            /* NumericLiteral */
+            :
+            case 8
+            /* StringLiteral */
+            :
+            case 10
+            /* Template */
+            :
+            case 9
+            /* RegularExpression */
+            :
+              statement = this.parseExpressionStatement();
+              break;
+
+            case 7
+            /* Punctuator */
+            :
+              var value = this.lookahead.value;
+
+              if (value === '{') {
+                statement = this.parseBlock();
+              } else if (value === '(') {
+                statement = this.parseExpressionStatement();
+              } else if (value === ';') {
+                statement = this.parseEmptyStatement();
+              } else {
+                statement = this.parseExpressionStatement();
+              }
+
+              break;
+
+            case 3
+            /* Identifier */
+            :
+              statement = this.matchAsyncFunction() ? this.parseFunctionDeclaration() : this.parseLabelledStatement();
+              break;
+
+            case 4
+            /* Keyword */
+            :
+              switch (this.lookahead.value) {
+                case 'break':
+                  statement = this.parseBreakStatement();
+                  break;
+
+                case 'continue':
+                  statement = this.parseContinueStatement();
+                  break;
+
+                case 'debugger':
+                  statement = this.parseDebuggerStatement();
+                  break;
+
+                case 'do':
+                  statement = this.parseDoWhileStatement();
+                  break;
+
+                case 'for':
+                  statement = this.parseForStatement();
+                  break;
+
+                case 'function':
+                  statement = this.parseFunctionDeclaration();
+                  break;
+
+                case 'if':
+                  statement = this.parseIfStatement();
+                  break;
+
+                case 'return':
+                  statement = this.parseReturnStatement();
+                  break;
+
+                case 'switch':
+                  statement = this.parseSwitchStatement();
+                  break;
+
+                case 'throw':
+                  statement = this.parseThrowStatement();
+                  break;
+
+                case 'try':
+                  statement = this.parseTryStatement();
+                  break;
+
+                case 'var':
+                  statement = this.parseVariableStatement();
+                  break;
+
+                case 'while':
+                  statement = this.parseWhileStatement();
+                  break;
+
+                case 'with':
+                  statement = this.parseWithStatement();
+                  break;
+
+                default:
+                  statement = this.parseExpressionStatement();
+                  break;
+              }
+
+              break;
+
+            default:
+              statement = this.throwUnexpectedToken(this.lookahead);
+          }
+
+          return statement;
+        }; // https://tc39.github.io/ecma262/#sec-function-definitions
+
+
+        Parser.prototype.parseFunctionSourceElements = function () {
+          var node = this.createNode();
+          this.expect('{');
+          var body = this.parseDirectivePrologues();
+          var previousLabelSet = this.context.labelSet;
+          var previousInIteration = this.context.inIteration;
+          var previousInSwitch = this.context.inSwitch;
+          var previousInFunctionBody = this.context.inFunctionBody;
+          this.context.labelSet = {};
+          this.context.inIteration = false;
+          this.context.inSwitch = false;
+          this.context.inFunctionBody = true;
+
+          while (this.lookahead.type !== 2
+          /* EOF */
+          ) {
+            if (this.match('}')) {
+              break;
+            }
+
+            body.push(this.parseStatementListItem());
+          }
+
+          this.expect('}');
+          this.context.labelSet = previousLabelSet;
+          this.context.inIteration = previousInIteration;
+          this.context.inSwitch = previousInSwitch;
+          this.context.inFunctionBody = previousInFunctionBody;
+          return this.finalize(node, new Node.BlockStatement(body));
+        };
+
+        Parser.prototype.validateParam = function (options, param, name) {
+          var key = '$' + name;
+
+          if (this.context.strict) {
+            if (this.scanner.isRestrictedWord(name)) {
+              options.stricted = param;
+              options.message = messages_1.Messages.StrictParamName;
+            }
+
+            if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
+              options.stricted = param;
+              options.message = messages_1.Messages.StrictParamDupe;
+            }
+          } else if (!options.firstRestricted) {
+            if (this.scanner.isRestrictedWord(name)) {
+              options.firstRestricted = param;
+              options.message = messages_1.Messages.StrictParamName;
+            } else if (this.scanner.isStrictModeReservedWord(name)) {
+              options.firstRestricted = param;
+              options.message = messages_1.Messages.StrictReservedWord;
+            } else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
+              options.stricted = param;
+              options.message = messages_1.Messages.StrictParamDupe;
+            }
+          }
+          /* istanbul ignore next */
+
+
+          if (typeof Object.defineProperty === 'function') {
+            Object.defineProperty(options.paramSet, key, {
+              value: true,
+              enumerable: true,
+              writable: true,
+              configurable: true
+            });
+          } else {
+            options.paramSet[key] = true;
+          }
+        };
+
+        Parser.prototype.parseRestElement = function (params) {
+          var node = this.createNode();
+          this.expect('...');
+          var arg = this.parsePattern(params);
+
+          if (this.match('=')) {
+            this.throwError(messages_1.Messages.DefaultRestParameter);
+          }
+
+          if (!this.match(')')) {
+            this.throwError(messages_1.Messages.ParameterAfterRestParameter);
+          }
+
+          return this.finalize(node, new Node.RestElement(arg));
+        };
+
+        Parser.prototype.parseFormalParameter = function (options) {
+          var params = [];
+          var param = this.match('...') ? this.parseRestElement(params) : this.parsePatternWithDefault(params);
+
+          for (var i = 0; i < params.length; i++) {
+            this.validateParam(options, params[i], params[i].value);
+          }
+
+          options.simple = options.simple && param instanceof Node.Identifier;
+          options.params.push(param);
+        };
+
+        Parser.prototype.parseFormalParameters = function (firstRestricted) {
+          var options;
+          options = {
+            simple: true,
+            params: [],
+            firstRestricted: firstRestricted
+          };
+          this.expect('(');
+
+          if (!this.match(')')) {
+            options.paramSet = {};
+
+            while (this.lookahead.type !== 2
+            /* EOF */
+            ) {
+              this.parseFormalParameter(options);
+
+              if (this.match(')')) {
+                break;
+              }
+
+              this.expect(',');
+
+              if (this.match(')')) {
+                break;
+              }
+            }
+          }
+
+          this.expect(')');
+          return {
+            simple: options.simple,
+            params: options.params,
+            stricted: options.stricted,
+            firstRestricted: options.firstRestricted,
+            message: options.message
+          };
+        };
+
+        Parser.prototype.matchAsyncFunction = function () {
+          var match = this.matchContextualKeyword('async');
+
+          if (match) {
+            var state = this.scanner.saveState();
+            this.scanner.scanComments();
+            var next = this.scanner.lex();
+            this.scanner.restoreState(state);
+            match = state.lineNumber === next.lineNumber && next.type === 4
+            /* Keyword */
+            && next.value === 'function';
+          }
+
+          return match;
+        };
+
+        Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) {
+          var node = this.createNode();
+          var isAsync = this.matchContextualKeyword('async');
+
+          if (isAsync) {
+            this.nextToken();
+          }
+
+          this.expectKeyword('function');
+          var isGenerator = isAsync ? false : this.match('*');
+
+          if (isGenerator) {
+            this.nextToken();
+          }
+
+          var message;
+          var id = null;
+          var firstRestricted = null;
+
+          if (!identifierIsOptional || !this.match('(')) {
+            var token = this.lookahead;
+            id = this.parseVariableIdentifier();
+
+            if (this.context.strict) {
+              if (this.scanner.isRestrictedWord(token.value)) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
+              }
+            } else {
+              if (this.scanner.isRestrictedWord(token.value)) {
+                firstRestricted = token;
+                message = messages_1.Messages.StrictFunctionName;
+              } else if (this.scanner.isStrictModeReservedWord(token.value)) {
+                firstRestricted = token;
+                message = messages_1.Messages.StrictReservedWord;
+              }
+            }
+          }
+
+          var previousAllowAwait = this.context.await;
+          var previousAllowYield = this.context.allowYield;
+          this.context.await = isAsync;
+          this.context.allowYield = !isGenerator;
+          var formalParameters = this.parseFormalParameters(firstRestricted);
+          var params = formalParameters.params;
+          var stricted = formalParameters.stricted;
+          firstRestricted = formalParameters.firstRestricted;
+
+          if (formalParameters.message) {
+            message = formalParameters.message;
+          }
+
+          var previousStrict = this.context.strict;
+          var previousAllowStrictDirective = this.context.allowStrictDirective;
+          this.context.allowStrictDirective = formalParameters.simple;
+          var body = this.parseFunctionSourceElements();
+
+          if (this.context.strict && firstRestricted) {
+            this.throwUnexpectedToken(firstRestricted, message);
+          }
+
+          if (this.context.strict && stricted) {
+            this.tolerateUnexpectedToken(stricted, message);
+          }
+
+          this.context.strict = previousStrict;
+          this.context.allowStrictDirective = previousAllowStrictDirective;
+          this.context.await = previousAllowAwait;
+          this.context.allowYield = previousAllowYield;
+          return isAsync ? this.finalize(node, new Node.AsyncFunctionDeclaration(id, params, body)) : this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator));
+        };
+
+        Parser.prototype.parseFunctionExpression = function () {
+          var node = this.createNode();
+          var isAsync = this.matchContextualKeyword('async');
+
+          if (isAsync) {
+            this.nextToken();
+          }
+
+          this.expectKeyword('function');
+          var isGenerator = isAsync ? false : this.match('*');
+
+          if (isGenerator) {
+            this.nextToken();
+          }
+
+          var message;
+          var id = null;
+          var firstRestricted;
+          var previousAllowAwait = this.context.await;
+          var previousAllowYield = this.context.allowYield;
+          this.context.await = isAsync;
+          this.context.allowYield = !isGenerator;
+
+          if (!this.match('(')) {
+            var token = this.lookahead;
+            id = !this.context.strict && !isGenerator && this.matchKeyword('yield') ? this.parseIdentifierName() : this.parseVariableIdentifier();
+
+            if (this.context.strict) {
+              if (this.scanner.isRestrictedWord(token.value)) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
+              }
+            } else {
+              if (this.scanner.isRestrictedWord(token.value)) {
+                firstRestricted = token;
+                message = messages_1.Messages.StrictFunctionName;
+              } else if (this.scanner.isStrictModeReservedWord(token.value)) {
+                firstRestricted = token;
+                message = messages_1.Messages.StrictReservedWord;
+              }
+            }
+          }
+
+          var formalParameters = this.parseFormalParameters(firstRestricted);
+          var params = formalParameters.params;
+          var stricted = formalParameters.stricted;
+          firstRestricted = formalParameters.firstRestricted;
+
+          if (formalParameters.message) {
+            message = formalParameters.message;
+          }
+
+          var previousStrict = this.context.strict;
+          var previousAllowStrictDirective = this.context.allowStrictDirective;
+          this.context.allowStrictDirective = formalParameters.simple;
+          var body = this.parseFunctionSourceElements();
+
+          if (this.context.strict && firstRestricted) {
+            this.throwUnexpectedToken(firstRestricted, message);
+          }
+
+          if (this.context.strict && stricted) {
+            this.tolerateUnexpectedToken(stricted, message);
+          }
+
+          this.context.strict = previousStrict;
+          this.context.allowStrictDirective = previousAllowStrictDirective;
+          this.context.await = previousAllowAwait;
+          this.context.allowYield = previousAllowYield;
+          return isAsync ? this.finalize(node, new Node.AsyncFunctionExpression(id, params, body)) : this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator));
+        }; // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive
+
+
+        Parser.prototype.parseDirective = function () {
+          var token = this.lookahead;
+          var node = this.createNode();
+          var expr = this.parseExpression();
+          var directive = expr.type === syntax_1.Syntax.Literal ? this.getTokenRaw(token).slice(1, -1) : null;
+          this.consumeSemicolon();
+          return this.finalize(node, directive ? new Node.Directive(expr, directive) : new Node.ExpressionStatement(expr));
+        };
+
+        Parser.prototype.parseDirectivePrologues = function () {
+          var firstRestricted = null;
+          var body = [];
+
+          while (true) {
+            var token = this.lookahead;
+
+            if (token.type !== 8
+            /* StringLiteral */
+            ) {
+                break;
+              }
+
+            var statement = this.parseDirective();
+            body.push(statement);
+            var directive = statement.directive;
+
+            if (typeof directive !== 'string') {
+              break;
+            }
+
+            if (directive === 'use strict') {
+              this.context.strict = true;
+
+              if (firstRestricted) {
+                this.tolerateUnexpectedToken(firstRestricted, messages_1.Messages.StrictOctalLiteral);
+              }
+
+              if (!this.context.allowStrictDirective) {
+                this.tolerateUnexpectedToken(token, messages_1.Messages.IllegalLanguageModeDirective);
+              }
+            } else {
+              if (!firstRestricted && token.octal) {
+                firstRestricted = token;
+              }
+            }
+          }
+
+          return body;
+        }; // https://tc39.github.io/ecma262/#sec-method-definitions
+
+
+        Parser.prototype.qualifiedPropertyName = function (token) {
+          switch (token.type) {
+            case 3
+            /* Identifier */
+            :
+            case 8
+            /* StringLiteral */
+            :
+            case 1
+            /* BooleanLiteral */
+            :
+            case 5
+            /* NullLiteral */
+            :
+            case 6
+            /* NumericLiteral */
+            :
+            case 4
+            /* Keyword */
+            :
+              return true;
+
+            case 7
+            /* Punctuator */
+            :
+              return token.value === '[';
+
+            default:
+              break;
+          }
+
+          return false;
+        };
+
+        Parser.prototype.parseGetterMethod = function () {
+          var node = this.createNode();
+          var isGenerator = false;
+          var previousAllowYield = this.context.allowYield;
+          this.context.allowYield = !isGenerator;
+          var formalParameters = this.parseFormalParameters();
+
+          if (formalParameters.params.length > 0) {
+            this.tolerateError(messages_1.Messages.BadGetterArity);
+          }
+
+          var method = this.parsePropertyMethod(formalParameters);
+          this.context.allowYield = previousAllowYield;
+          return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator));
+        };
+
+        Parser.prototype.parseSetterMethod = function () {
+          var node = this.createNode();
+          var isGenerator = false;
+          var previousAllowYield = this.context.allowYield;
+          this.context.allowYield = !isGenerator;
+          var formalParameters = this.parseFormalParameters();
+
+          if (formalParameters.params.length !== 1) {
+            this.tolerateError(messages_1.Messages.BadSetterArity);
+          } else if (formalParameters.params[0] instanceof Node.RestElement) {
+            this.tolerateError(messages_1.Messages.BadSetterRestParameter);
+          }
+
+          var method = this.parsePropertyMethod(formalParameters);
+          this.context.allowYield = previousAllowYield;
+          return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator));
+        };
+
+        Parser.prototype.parseGeneratorMethod = function () {
+          var node = this.createNode();
+          var isGenerator = true;
+          var previousAllowYield = this.context.allowYield;
+          this.context.allowYield = true;
+          var params = this.parseFormalParameters();
+          this.context.allowYield = false;
+          var method = this.parsePropertyMethod(params);
+          this.context.allowYield = previousAllowYield;
+          return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
+        }; // https://tc39.github.io/ecma262/#sec-generator-function-definitions
+
+
+        Parser.prototype.isStartOfExpression = function () {
+          var start = true;
+          var value = this.lookahead.value;
+
+          switch (this.lookahead.type) {
+            case 7
+            /* Punctuator */
+            :
+              start = value === '[' || value === '(' || value === '{' || value === '+' || value === '-' || value === '!' || value === '~' || value === '++' || value === '--' || value === '/' || value === '/='; // regular expression literal
+
+              break;
+
+            case 4
+            /* Keyword */
+            :
+              start = value === 'class' || value === 'delete' || value === 'function' || value === 'let' || value === 'new' || value === 'super' || value === 'this' || value === 'typeof' || value === 'void' || value === 'yield';
+              break;
+
+            default:
+              break;
+          }
+
+          return start;
+        };
+
+        Parser.prototype.parseYieldExpression = function () {
+          var node = this.createNode();
+          this.expectKeyword('yield');
+          var argument = null;
+          var delegate = false;
+
+          if (!this.hasLineTerminator) {
+            var previousAllowYield = this.context.allowYield;
+            this.context.allowYield = false;
+            delegate = this.match('*');
+
+            if (delegate) {
+              this.nextToken();
+              argument = this.parseAssignmentExpression();
+            } else if (this.isStartOfExpression()) {
+              argument = this.parseAssignmentExpression();
+            }
+
+            this.context.allowYield = previousAllowYield;
+          }
+
+          return this.finalize(node, new Node.YieldExpression(argument, delegate));
+        }; // https://tc39.github.io/ecma262/#sec-class-definitions
+
+
+        Parser.prototype.parseClassElement = function (hasConstructor) {
+          var token = this.lookahead;
+          var node = this.createNode();
+          var kind = '';
+          var key = null;
+          var value = null;
+          var computed = false;
+          var method = false;
+          var isStatic = false;
+          var isAsync = false;
+
+          if (this.match('*')) {
+            this.nextToken();
+          } else {
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            var id = key;
+
+            if (id.name === 'static' && (this.qualifiedPropertyName(this.lookahead) || this.match('*'))) {
+              token = this.lookahead;
+              isStatic = true;
+              computed = this.match('[');
+
+              if (this.match('*')) {
+                this.nextToken();
+              } else {
+                key = this.parseObjectPropertyKey();
+              }
+            }
+
+            if (token.type === 3
+            /* Identifier */
+            && !this.hasLineTerminator && token.value === 'async') {
+              var punctuator = this.lookahead.value;
+
+              if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') {
+                isAsync = true;
+                token = this.lookahead;
+                key = this.parseObjectPropertyKey();
+
+                if (token.type === 3
+                /* Identifier */
+                && token.value === 'constructor') {
+                  this.tolerateUnexpectedToken(token, messages_1.Messages.ConstructorIsAsync);
+                }
+              }
+            }
+          }
+
+          var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
+
+          if (token.type === 3
+          /* Identifier */
+          ) {
+              if (token.value === 'get' && lookaheadPropertyKey) {
+                kind = 'get';
+                computed = this.match('[');
+                key = this.parseObjectPropertyKey();
+                this.context.allowYield = false;
+                value = this.parseGetterMethod();
+              } else if (token.value === 'set' && lookaheadPropertyKey) {
+                kind = 'set';
+                computed = this.match('[');
+                key = this.parseObjectPropertyKey();
+                value = this.parseSetterMethod();
+              }
+            } else if (token.type === 7
+          /* Punctuator */
+          && token.value === '*' && lookaheadPropertyKey) {
+            kind = 'init';
+            computed = this.match('[');
+            key = this.parseObjectPropertyKey();
+            value = this.parseGeneratorMethod();
+            method = true;
+          }
+
+          if (!kind && key && this.match('(')) {
+            kind = 'init';
+            value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction();
+            method = true;
+          }
+
+          if (!kind) {
+            this.throwUnexpectedToken(this.lookahead);
+          }
+
+          if (kind === 'init') {
+            kind = 'method';
+          }
+
+          if (!computed) {
+            if (isStatic && this.isPropertyKey(key, 'prototype')) {
+              this.throwUnexpectedToken(token, messages_1.Messages.StaticPrototype);
+            }
+
+            if (!isStatic && this.isPropertyKey(key, 'constructor')) {
+              if (kind !== 'method' || !method || value && value.generator) {
+                this.throwUnexpectedToken(token, messages_1.Messages.ConstructorSpecialMethod);
+              }
+
+              if (hasConstructor.value) {
+                this.throwUnexpectedToken(token, messages_1.Messages.DuplicateConstructor);
+              } else {
+                hasConstructor.value = true;
+              }
+
+              kind = 'constructor';
+            }
+          }
+
+          return this.finalize(node, new Node.MethodDefinition(key, computed, value, kind, isStatic));
+        };
+
+        Parser.prototype.parseClassElementList = function () {
+          var body = [];
+          var hasConstructor = {
+            value: false
+          };
+          this.expect('{');
+
+          while (!this.match('}')) {
+            if (this.match(';')) {
+              this.nextToken();
+            } else {
+              body.push(this.parseClassElement(hasConstructor));
+            }
+          }
+
+          this.expect('}');
+          return body;
+        };
+
+        Parser.prototype.parseClassBody = function () {
+          var node = this.createNode();
+          var elementList = this.parseClassElementList();
+          return this.finalize(node, new Node.ClassBody(elementList));
+        };
+
+        Parser.prototype.parseClassDeclaration = function (identifierIsOptional) {
+          var node = this.createNode();
+          var previousStrict = this.context.strict;
+          this.context.strict = true;
+          this.expectKeyword('class');
+          var id = identifierIsOptional && this.lookahead.type !== 3
+          /* Identifier */
+          ? null : this.parseVariableIdentifier();
+          var superClass = null;
+
+          if (this.matchKeyword('extends')) {
+            this.nextToken();
+            superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+          }
+
+          var classBody = this.parseClassBody();
+          this.context.strict = previousStrict;
+          return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody));
+        };
+
+        Parser.prototype.parseClassExpression = function () {
+          var node = this.createNode();
+          var previousStrict = this.context.strict;
+          this.context.strict = true;
+          this.expectKeyword('class');
+          var id = this.lookahead.type === 3
+          /* Identifier */
+          ? this.parseVariableIdentifier() : null;
+          var superClass = null;
+
+          if (this.matchKeyword('extends')) {
+            this.nextToken();
+            superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
+          }
+
+          var classBody = this.parseClassBody();
+          this.context.strict = previousStrict;
+          return this.finalize(node, new Node.ClassExpression(id, superClass, classBody));
+        }; // https://tc39.github.io/ecma262/#sec-scripts
+        // https://tc39.github.io/ecma262/#sec-modules
+
+
+        Parser.prototype.parseModule = function () {
+          this.context.strict = true;
+          this.context.isModule = true;
+          this.scanner.isModule = true;
+          var node = this.createNode();
+          var body = this.parseDirectivePrologues();
+
+          while (this.lookahead.type !== 2
+          /* EOF */
+          ) {
+            body.push(this.parseStatementListItem());
+          }
+
+          return this.finalize(node, new Node.Module(body));
+        };
+
+        Parser.prototype.parseScript = function () {
+          var node = this.createNode();
+          var body = this.parseDirectivePrologues();
+
+          while (this.lookahead.type !== 2
+          /* EOF */
+          ) {
+            body.push(this.parseStatementListItem());
+          }
+
+          return this.finalize(node, new Node.Script(body));
+        }; // https://tc39.github.io/ecma262/#sec-imports
+
+
+        Parser.prototype.parseModuleSpecifier = function () {
+          var node = this.createNode();
+
+          if (this.lookahead.type !== 8
+          /* StringLiteral */
+          ) {
+              this.throwError(messages_1.Messages.InvalidModuleSpecifier);
+            }
+
+          var token = this.nextToken();
+          var raw = this.getTokenRaw(token);
+          return this.finalize(node, new Node.Literal(token.value, raw));
+        }; // import {<foo as bar>} ...;
+
+
+        Parser.prototype.parseImportSpecifier = function () {
+          var node = this.createNode();
+          var imported;
+          var local;
+
+          if (this.lookahead.type === 3
+          /* Identifier */
+          ) {
+              imported = this.parseVariableIdentifier();
+              local = imported;
+
+              if (this.matchContextualKeyword('as')) {
+                this.nextToken();
+                local = this.parseVariableIdentifier();
+              }
+            } else {
+            imported = this.parseIdentifierName();
+            local = imported;
+
+            if (this.matchContextualKeyword('as')) {
+              this.nextToken();
+              local = this.parseVariableIdentifier();
+            } else {
+              this.throwUnexpectedToken(this.nextToken());
+            }
+          }
+
+          return this.finalize(node, new Node.ImportSpecifier(local, imported));
+        }; // {foo, bar as bas}
+
+
+        Parser.prototype.parseNamedImports = function () {
+          this.expect('{');
+          var specifiers = [];
+
+          while (!this.match('}')) {
+            specifiers.push(this.parseImportSpecifier());
+
+            if (!this.match('}')) {
+              this.expect(',');
+            }
+          }
+
+          this.expect('}');
+          return specifiers;
+        }; // import <foo> ...;
+
+
+        Parser.prototype.parseImportDefaultSpecifier = function () {
+          var node = this.createNode();
+          var local = this.parseIdentifierName();
+          return this.finalize(node, new Node.ImportDefaultSpecifier(local));
+        }; // import <* as foo> ...;
+
+
+        Parser.prototype.parseImportNamespaceSpecifier = function () {
+          var node = this.createNode();
+          this.expect('*');
+
+          if (!this.matchContextualKeyword('as')) {
+            this.throwError(messages_1.Messages.NoAsAfterImportNamespace);
+          }
+
+          this.nextToken();
+          var local = this.parseIdentifierName();
+          return this.finalize(node, new Node.ImportNamespaceSpecifier(local));
+        };
+
+        Parser.prototype.parseImportDeclaration = function () {
+          if (this.context.inFunctionBody) {
+            this.throwError(messages_1.Messages.IllegalImportDeclaration);
+          }
+
+          var node = this.createNode();
+          this.expectKeyword('import');
+          var src;
+          var specifiers = [];
+
+          if (this.lookahead.type === 8
+          /* StringLiteral */
+          ) {
+              // import 'foo';
+              src = this.parseModuleSpecifier();
+            } else {
+            if (this.match('{')) {
+              // import {bar}
+              specifiers = specifiers.concat(this.parseNamedImports());
+            } else if (this.match('*')) {
+              // import * as foo
+              specifiers.push(this.parseImportNamespaceSpecifier());
+            } else if (this.isIdentifierName(this.lookahead) && !this.matchKeyword('default')) {
+              // import foo
+              specifiers.push(this.parseImportDefaultSpecifier());
+
+              if (this.match(',')) {
+                this.nextToken();
+
+                if (this.match('*')) {
+                  // import foo, * as foo
+                  specifiers.push(this.parseImportNamespaceSpecifier());
+                } else if (this.match('{')) {
+                  // import foo, {bar}
+                  specifiers = specifiers.concat(this.parseNamedImports());
+                } else {
+                  this.throwUnexpectedToken(this.lookahead);
+                }
+              }
+            } else {
+              this.throwUnexpectedToken(this.nextToken());
+            }
+
+            if (!this.matchContextualKeyword('from')) {
+              var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+              this.throwError(message, this.lookahead.value);
+            }
+
+            this.nextToken();
+            src = this.parseModuleSpecifier();
+          }
+
+          this.consumeSemicolon();
+          return this.finalize(node, new Node.ImportDeclaration(specifiers, src));
+        }; // https://tc39.github.io/ecma262/#sec-exports
+
+
+        Parser.prototype.parseExportSpecifier = function () {
+          var node = this.createNode();
+          var local = this.parseIdentifierName();
+          var exported = local;
+
+          if (this.matchContextualKeyword('as')) {
+            this.nextToken();
+            exported = this.parseIdentifierName();
+          }
+
+          return this.finalize(node, new Node.ExportSpecifier(local, exported));
+        };
+
+        Parser.prototype.parseExportDeclaration = function () {
+          if (this.context.inFunctionBody) {
+            this.throwError(messages_1.Messages.IllegalExportDeclaration);
+          }
+
+          var node = this.createNode();
+          this.expectKeyword('export');
+          var exportDeclaration;
+
+          if (this.matchKeyword('default')) {
+            // export default ...
+            this.nextToken();
+
+            if (this.matchKeyword('function')) {
+              // export default function foo () {}
+              // export default function () {}
+              var declaration = this.parseFunctionDeclaration(true);
+              exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+            } else if (this.matchKeyword('class')) {
+              // export default class foo {}
+              var declaration = this.parseClassDeclaration(true);
+              exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+            } else if (this.matchContextualKeyword('async')) {
+              // export default async function f () {}
+              // export default async function () {}
+              // export default async x => x
+              var declaration = this.matchAsyncFunction() ? this.parseFunctionDeclaration(true) : this.parseAssignmentExpression();
+              exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+            } else {
+              if (this.matchContextualKeyword('from')) {
+                this.throwError(messages_1.Messages.UnexpectedToken, this.lookahead.value);
+              } // export default {};
+              // export default [];
+              // export default (1 + 2);
+
+
+              var declaration = this.match('{') ? this.parseObjectInitializer() : this.match('[') ? this.parseArrayInitializer() : this.parseAssignmentExpression();
+              this.consumeSemicolon();
+              exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
+            }
+          } else if (this.match('*')) {
+            // export * from 'foo';
+            this.nextToken();
+
+            if (!this.matchContextualKeyword('from')) {
+              var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+              this.throwError(message, this.lookahead.value);
+            }
+
+            this.nextToken();
+            var src = this.parseModuleSpecifier();
+            this.consumeSemicolon();
+            exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src));
+          } else if (this.lookahead.type === 4
+          /* Keyword */
+          ) {
+              // export var f = 1;
+              var declaration = void 0;
+
+              switch (this.lookahead.value) {
+                case 'let':
+                case 'const':
+                  declaration = this.parseLexicalDeclaration({
+                    inFor: false
+                  });
+                  break;
+
+                case 'var':
+                case 'class':
+                case 'function':
+                  declaration = this.parseStatementListItem();
+                  break;
+
+                default:
+                  this.throwUnexpectedToken(this.lookahead);
+              }
+
+              exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null));
+            } else if (this.matchAsyncFunction()) {
+            var declaration = this.parseFunctionDeclaration();
+            exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null));
+          } else {
+            var specifiers = [];
+            var source = null;
+            var isExportFromIdentifier = false;
+            this.expect('{');
+
+            while (!this.match('}')) {
+              isExportFromIdentifier = isExportFromIdentifier || this.matchKeyword('default');
+              specifiers.push(this.parseExportSpecifier());
+
+              if (!this.match('}')) {
+                this.expect(',');
+              }
+            }
+
+            this.expect('}');
+
+            if (this.matchContextualKeyword('from')) {
+              // export {default} from 'foo';
+              // export {foo} from 'foo';
+              this.nextToken();
+              source = this.parseModuleSpecifier();
+              this.consumeSemicolon();
+            } else if (isExportFromIdentifier) {
+              // export {default}; // missing fromClause
+              var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
+              this.throwError(message, this.lookahead.value);
+            } else {
+              // export {foo};
+              this.consumeSemicolon();
+            }
+
+            exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(null, specifiers, source));
+          }
+
+          return exportDeclaration;
+        };
+
+        return Parser;
+      }();
+
+      exports.Parser = Parser;
+      /***/
+    },
+    /* 9 */
+
+    /***/
+    function (module, exports) {
+      "use strict"; // Ensure the condition is true, otherwise throw an error.
+      // This is only to have a better contract semantic, i.e. another safety net
+      // to catch a logic error. The condition shall be fulfilled in normal case.
+      // Do NOT use this to enforce a certain condition on any user input.
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      function assert(condition, message) {
+        /* istanbul ignore if */
+        if (!condition) {
+          throw new Error('ASSERT: ' + message);
+        }
+      }
+
+      exports.assert = assert;
+      /***/
+    },
+    /* 10 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+      /* tslint:disable:max-classes-per-file */
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var ErrorHandler = function () {
+        function ErrorHandler() {
+          this.errors = [];
+          this.tolerant = false;
+        }
+
+        ErrorHandler.prototype.recordError = function (error) {
+          this.errors.push(error);
+        };
+
+        ErrorHandler.prototype.tolerate = function (error) {
+          if (this.tolerant) {
+            this.recordError(error);
+          } else {
+            throw error;
+          }
+        };
+
+        ErrorHandler.prototype.constructError = function (msg, column) {
+          var error = new Error(msg);
+
+          try {
+            throw error;
+          } catch (base) {
+            /* istanbul ignore else */
+            if (Object.create && Object.defineProperty) {
+              error = Object.create(base);
+              Object.defineProperty(error, 'column', {
+                value: column
+              });
+            }
+          }
+          /* istanbul ignore next */
+
+
+          return error;
+        };
+
+        ErrorHandler.prototype.createError = function (index, line, col, description) {
+          var msg = 'Line ' + line + ': ' + description;
+          var error = this.constructError(msg, col);
+          error.index = index;
+          error.lineNumber = line;
+          error.description = description;
+          return error;
+        };
+
+        ErrorHandler.prototype.throwError = function (index, line, col, description) {
+          throw this.createError(index, line, col, description);
+        };
+
+        ErrorHandler.prototype.tolerateError = function (index, line, col, description) {
+          var error = this.createError(index, line, col, description);
+
+          if (this.tolerant) {
+            this.recordError(error);
+          } else {
+            throw error;
+          }
+        };
+
+        return ErrorHandler;
+      }();
+
+      exports.ErrorHandler = ErrorHandler;
+      /***/
+    },
+    /* 11 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      }); // Error messages should be identical to V8.
+
+      exports.Messages = {
+        BadGetterArity: 'Getter must not have any formal parameters',
+        BadSetterArity: 'Setter must have exactly one formal parameter',
+        BadSetterRestParameter: 'Setter function argument must not be a rest parameter',
+        ConstructorIsAsync: 'Class constructor may not be an async method',
+        ConstructorSpecialMethod: 'Class constructor may not be an accessor',
+        DeclarationMissingInitializer: 'Missing initializer in %0 declaration',
+        DefaultRestParameter: 'Unexpected token =',
+        DuplicateBinding: 'Duplicate binding %0',
+        DuplicateConstructor: 'A class may only have one constructor',
+        DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals',
+        ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer',
+        GeneratorInLegacyContext: 'Generator declarations are not allowed in legacy contexts',
+        IllegalBreak: 'Illegal break statement',
+        IllegalContinue: 'Illegal continue statement',
+        IllegalExportDeclaration: 'Unexpected token',
+        IllegalImportDeclaration: 'Unexpected token',
+        IllegalLanguageModeDirective: 'Illegal \'use strict\' directive in function with non-simple parameter list',
+        IllegalReturn: 'Illegal return statement',
+        InvalidEscapedReservedWord: 'Keyword must not contain escaped characters',
+        InvalidHexEscapeSequence: 'Invalid hexadecimal escape sequence',
+        InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
+        InvalidLHSInForIn: 'Invalid left-hand side in for-in',
+        InvalidLHSInForLoop: 'Invalid left-hand side in for-loop',
+        InvalidModuleSpecifier: 'Unexpected token',
+        InvalidRegExp: 'Invalid regular expression',
+        LetInLexicalBinding: 'let is disallowed as a lexically bound name',
+        MissingFromClause: 'Unexpected token',
+        MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
+        NewlineAfterThrow: 'Illegal newline after throw',
+        NoAsAfterImportNamespace: 'Unexpected token',
+        NoCatchOrFinally: 'Missing catch or finally after try',
+        ParameterAfterRestParameter: 'Rest parameter must be last formal parameter',
+        Redeclaration: '%0 \'%1\' has already been declared',
+        StaticPrototype: 'Classes may not have static property named prototype',
+        StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
+        StrictDelete: 'Delete of an unqualified identifier in strict mode.',
+        StrictFunction: 'In strict mode code, functions can only be declared at top level or inside a block',
+        StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
+        StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
+        StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
+        StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
+        StrictModeWith: 'Strict mode code may not include a with statement',
+        StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
+        StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
+        StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
+        StrictReservedWord: 'Use of future reserved word in strict mode',
+        StrictVarName: 'Variable name may not be eval or arguments in strict mode',
+        TemplateOctalLiteral: 'Octal literals are not allowed in template strings.',
+        UnexpectedEOS: 'Unexpected end of input',
+        UnexpectedIdentifier: 'Unexpected identifier',
+        UnexpectedNumber: 'Unexpected number',
+        UnexpectedReserved: 'Unexpected reserved word',
+        UnexpectedString: 'Unexpected string',
+        UnexpectedTemplate: 'Unexpected quasi %0',
+        UnexpectedToken: 'Unexpected token %0',
+        UnexpectedTokenIllegal: 'Unexpected token ILLEGAL',
+        UnknownLabel: 'Undefined label \'%0\'',
+        UnterminatedRegExp: 'Invalid regular expression: missing /'
+      };
+      /***/
+    },
+    /* 12 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var assert_1 = __webpack_require__(9);
+
+      var character_1 = __webpack_require__(4);
+
+      var messages_1 = __webpack_require__(11);
+
+      function hexValue(ch) {
+        return '0123456789abcdef'.indexOf(ch.toLowerCase());
+      }
+
+      function octalValue(ch) {
+        return '01234567'.indexOf(ch);
+      }
+
+      var Scanner = function () {
+        function Scanner(code, handler) {
+          this.source = code;
+          this.errorHandler = handler;
+          this.trackComment = false;
+          this.isModule = false;
+          this.length = code.length;
+          this.index = 0;
+          this.lineNumber = code.length > 0 ? 1 : 0;
+          this.lineStart = 0;
+          this.curlyStack = [];
+        }
+
+        Scanner.prototype.saveState = function () {
+          return {
+            index: this.index,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart
+          };
+        };
+
+        Scanner.prototype.restoreState = function (state) {
+          this.index = state.index;
+          this.lineNumber = state.lineNumber;
+          this.lineStart = state.lineStart;
+        };
+
+        Scanner.prototype.eof = function () {
+          return this.index >= this.length;
+        };
+
+        Scanner.prototype.throwUnexpectedToken = function (message) {
+          if (message === void 0) {
+            message = messages_1.Messages.UnexpectedTokenIllegal;
+          }
+
+          return this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
+        };
+
+        Scanner.prototype.tolerateUnexpectedToken = function (message) {
+          if (message === void 0) {
+            message = messages_1.Messages.UnexpectedTokenIllegal;
+          }
+
+          this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
+        }; // https://tc39.github.io/ecma262/#sec-comments
+
+
+        Scanner.prototype.skipSingleLineComment = function (offset) {
+          var comments = [];
+          var start, loc;
+
+          if (this.trackComment) {
+            comments = [];
+            start = this.index - offset;
+            loc = {
+              start: {
+                line: this.lineNumber,
+                column: this.index - this.lineStart - offset
+              },
+              end: {}
+            };
+          }
+
+          while (!this.eof()) {
+            var ch = this.source.charCodeAt(this.index);
+            ++this.index;
+
+            if (character_1.Character.isLineTerminator(ch)) {
+              if (this.trackComment) {
+                loc.end = {
+                  line: this.lineNumber,
+                  column: this.index - this.lineStart - 1
+                };
+                var entry = {
+                  multiLine: false,
+                  slice: [start + offset, this.index - 1],
+                  range: [start, this.index - 1],
+                  loc: loc
+                };
+                comments.push(entry);
+              }
+
+              if (ch === 13 && this.source.charCodeAt(this.index) === 10) {
+                ++this.index;
+              }
+
+              ++this.lineNumber;
+              this.lineStart = this.index;
+              return comments;
+            }
+          }
+
+          if (this.trackComment) {
+            loc.end = {
+              line: this.lineNumber,
+              column: this.index - this.lineStart
+            };
+            var entry = {
+              multiLine: false,
+              slice: [start + offset, this.index],
+              range: [start, this.index],
+              loc: loc
+            };
+            comments.push(entry);
+          }
+
+          return comments;
+        };
+
+        Scanner.prototype.skipMultiLineComment = function () {
+          var comments = [];
+          var start, loc;
+
+          if (this.trackComment) {
+            comments = [];
+            start = this.index - 2;
+            loc = {
+              start: {
+                line: this.lineNumber,
+                column: this.index - this.lineStart - 2
+              },
+              end: {}
+            };
+          }
+
+          while (!this.eof()) {
+            var ch = this.source.charCodeAt(this.index);
+
+            if (character_1.Character.isLineTerminator(ch)) {
+              if (ch === 0x0D && this.source.charCodeAt(this.index + 1) === 0x0A) {
+                ++this.index;
+              }
+
+              ++this.lineNumber;
+              ++this.index;
+              this.lineStart = this.index;
+            } else if (ch === 0x2A) {
+              // Block comment ends with '*/'.
+              if (this.source.charCodeAt(this.index + 1) === 0x2F) {
+                this.index += 2;
+
+                if (this.trackComment) {
+                  loc.end = {
+                    line: this.lineNumber,
+                    column: this.index - this.lineStart
+                  };
+                  var entry = {
+                    multiLine: true,
+                    slice: [start + 2, this.index - 2],
+                    range: [start, this.index],
+                    loc: loc
+                  };
+                  comments.push(entry);
+                }
+
+                return comments;
+              }
+
+              ++this.index;
+            } else {
+              ++this.index;
+            }
+          } // Ran off the end of the file - the whole thing is a comment
+
+
+          if (this.trackComment) {
+            loc.end = {
+              line: this.lineNumber,
+              column: this.index - this.lineStart
+            };
+            var entry = {
+              multiLine: true,
+              slice: [start + 2, this.index],
+              range: [start, this.index],
+              loc: loc
+            };
+            comments.push(entry);
+          }
+
+          this.tolerateUnexpectedToken();
+          return comments;
+        };
+
+        Scanner.prototype.scanComments = function () {
+          var comments;
+
+          if (this.trackComment) {
+            comments = [];
+          }
+
+          var start = this.index === 0;
+
+          while (!this.eof()) {
+            var ch = this.source.charCodeAt(this.index);
+
+            if (character_1.Character.isWhiteSpace(ch)) {
+              ++this.index;
+            } else if (character_1.Character.isLineTerminator(ch)) {
+              ++this.index;
+
+              if (ch === 0x0D && this.source.charCodeAt(this.index) === 0x0A) {
+                ++this.index;
+              }
+
+              ++this.lineNumber;
+              this.lineStart = this.index;
+              start = true;
+            } else if (ch === 0x2F) {
+              ch = this.source.charCodeAt(this.index + 1);
+
+              if (ch === 0x2F) {
+                this.index += 2;
+                var comment = this.skipSingleLineComment(2);
+
+                if (this.trackComment) {
+                  comments = comments.concat(comment);
+                }
+
+                start = true;
+              } else if (ch === 0x2A) {
+                this.index += 2;
+                var comment = this.skipMultiLineComment();
+
+                if (this.trackComment) {
+                  comments = comments.concat(comment);
+                }
+              } else {
+                break;
+              }
+            } else if (start && ch === 0x2D) {
+              // U+003E is '>'
+              if (this.source.charCodeAt(this.index + 1) === 0x2D && this.source.charCodeAt(this.index + 2) === 0x3E) {
+                // '-->' is a single-line comment
+                this.index += 3;
+                var comment = this.skipSingleLineComment(3);
+
+                if (this.trackComment) {
+                  comments = comments.concat(comment);
+                }
+              } else {
+                break;
+              }
+            } else if (ch === 0x3C && !this.isModule) {
+              if (this.source.slice(this.index + 1, this.index + 4) === '!--') {
+                this.index += 4; // `<!--`
+
+                var comment = this.skipSingleLineComment(4);
+
+                if (this.trackComment) {
+                  comments = comments.concat(comment);
+                }
+              } else {
+                break;
+              }
+            } else {
+              break;
+            }
+          }
+
+          return comments;
+        }; // https://tc39.github.io/ecma262/#sec-future-reserved-words
+
+
+        Scanner.prototype.isFutureReservedWord = function (id) {
+          switch (id) {
+            case 'enum':
+            case 'export':
+            case 'import':
+            case 'super':
+              return true;
+
+            default:
+              return false;
+          }
+        };
+
+        Scanner.prototype.isStrictModeReservedWord = function (id) {
+          switch (id) {
+            case 'implements':
+            case 'interface':
+            case 'package':
+            case 'private':
+            case 'protected':
+            case 'public':
+            case 'static':
+            case 'yield':
+            case 'let':
+              return true;
+
+            default:
+              return false;
+          }
+        };
+
+        Scanner.prototype.isRestrictedWord = function (id) {
+          return id === 'eval' || id === 'arguments';
+        }; // https://tc39.github.io/ecma262/#sec-keywords
+
+
+        Scanner.prototype.isKeyword = function (id) {
+          switch (id.length) {
+            case 2:
+              return id === 'if' || id === 'in' || id === 'do';
+
+            case 3:
+              return id === 'var' || id === 'for' || id === 'new' || id === 'try' || id === 'let';
+
+            case 4:
+              return id === 'this' || id === 'else' || id === 'case' || id === 'void' || id === 'with' || id === 'enum';
+
+            case 5:
+              return id === 'while' || id === 'break' || id === 'catch' || id === 'throw' || id === 'const' || id === 'yield' || id === 'class' || id === 'super';
+
+            case 6:
+              return id === 'return' || id === 'typeof' || id === 'delete' || id === 'switch' || id === 'export' || id === 'import';
+
+            case 7:
+              return id === 'default' || id === 'finally' || id === 'extends';
+
+            case 8:
+              return id === 'function' || id === 'continue' || id === 'debugger';
+
+            case 10:
+              return id === 'instanceof';
+
+            default:
+              return false;
+          }
+        };
+
+        Scanner.prototype.codePointAt = function (i) {
+          var cp = this.source.charCodeAt(i);
+
+          if (cp >= 0xD800 && cp <= 0xDBFF) {
+            var second = this.source.charCodeAt(i + 1);
+
+            if (second >= 0xDC00 && second <= 0xDFFF) {
+              var first = cp;
+              cp = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
+            }
+          }
+
+          return cp;
+        };
+
+        Scanner.prototype.scanHexEscape = function (prefix) {
+          var len = prefix === 'u' ? 4 : 2;
+          var code = 0;
+
+          for (var i = 0; i < len; ++i) {
+            if (!this.eof() && character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
+              code = code * 16 + hexValue(this.source[this.index++]);
+            } else {
+              return null;
+            }
+          }
+
+          return String.fromCharCode(code);
+        };
+
+        Scanner.prototype.scanUnicodeCodePointEscape = function () {
+          var ch = this.source[this.index];
+          var code = 0; // At least, one hex digit is required.
+
+          if (ch === '}') {
+            this.throwUnexpectedToken();
+          }
+
+          while (!this.eof()) {
+            ch = this.source[this.index++];
+
+            if (!character_1.Character.isHexDigit(ch.charCodeAt(0))) {
+              break;
+            }
+
+            code = code * 16 + hexValue(ch);
+          }
+
+          if (code > 0x10FFFF || ch !== '}') {
+            this.throwUnexpectedToken();
+          }
+
+          return character_1.Character.fromCodePoint(code);
+        };
+
+        Scanner.prototype.getIdentifier = function () {
+          var start = this.index++;
+
+          while (!this.eof()) {
+            var ch = this.source.charCodeAt(this.index);
+
+            if (ch === 0x5C) {
+              // Blackslash (U+005C) marks Unicode escape sequence.
+              this.index = start;
+              return this.getComplexIdentifier();
+            } else if (ch >= 0xD800 && ch < 0xDFFF) {
+              // Need to handle surrogate pairs.
+              this.index = start;
+              return this.getComplexIdentifier();
+            }
+
+            if (character_1.Character.isIdentifierPart(ch)) {
+              ++this.index;
+            } else {
+              break;
+            }
+          }
+
+          return this.source.slice(start, this.index);
+        };
+
+        Scanner.prototype.getComplexIdentifier = function () {
+          var cp = this.codePointAt(this.index);
+          var id = character_1.Character.fromCodePoint(cp);
+          this.index += id.length; // '\u' (U+005C, U+0075) denotes an escaped character.
+
+          var ch;
+
+          if (cp === 0x5C) {
+            if (this.source.charCodeAt(this.index) !== 0x75) {
+              this.throwUnexpectedToken();
+            }
+
+            ++this.index;
+
+            if (this.source[this.index] === '{') {
+              ++this.index;
+              ch = this.scanUnicodeCodePointEscape();
+            } else {
+              ch = this.scanHexEscape('u');
+
+              if (ch === null || ch === '\\' || !character_1.Character.isIdentifierStart(ch.charCodeAt(0))) {
+                this.throwUnexpectedToken();
+              }
+            }
+
+            id = ch;
+          }
+
+          while (!this.eof()) {
+            cp = this.codePointAt(this.index);
+
+            if (!character_1.Character.isIdentifierPart(cp)) {
+              break;
+            }
+
+            ch = character_1.Character.fromCodePoint(cp);
+            id += ch;
+            this.index += ch.length; // '\u' (U+005C, U+0075) denotes an escaped character.
+
+            if (cp === 0x5C) {
+              id = id.substr(0, id.length - 1);
+
+              if (this.source.charCodeAt(this.index) !== 0x75) {
+                this.throwUnexpectedToken();
+              }
+
+              ++this.index;
+
+              if (this.source[this.index] === '{') {
+                ++this.index;
+                ch = this.scanUnicodeCodePointEscape();
+              } else {
+                ch = this.scanHexEscape('u');
+
+                if (ch === null || ch === '\\' || !character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
+                  this.throwUnexpectedToken();
+                }
+              }
+
+              id += ch;
+            }
+          }
+
+          return id;
+        };
+
+        Scanner.prototype.octalToDecimal = function (ch) {
+          // \0 is not octal escape sequence
+          var octal = ch !== '0';
+          var code = octalValue(ch);
+
+          if (!this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+            octal = true;
+            code = code * 8 + octalValue(this.source[this.index++]); // 3 digits are only allowed when string starts
+            // with 0, 1, 2, 3
+
+            if ('0123'.indexOf(ch) >= 0 && !this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+              code = code * 8 + octalValue(this.source[this.index++]);
+            }
+          }
+
+          return {
+            code: code,
+            octal: octal
+          };
+        }; // https://tc39.github.io/ecma262/#sec-names-and-keywords
+
+
+        Scanner.prototype.scanIdentifier = function () {
+          var type;
+          var start = this.index; // Backslash (U+005C) starts an escaped character.
+
+          var id = this.source.charCodeAt(start) === 0x5C ? this.getComplexIdentifier() : this.getIdentifier(); // There is no keyword or literal with only one character.
+          // Thus, it must be an identifier.
+
+          if (id.length === 1) {
+            type = 3
+            /* Identifier */
+            ;
+          } else if (this.isKeyword(id)) {
+            type = 4
+            /* Keyword */
+            ;
+          } else if (id === 'null') {
+            type = 5
+            /* NullLiteral */
+            ;
+          } else if (id === 'true' || id === 'false') {
+            type = 1
+            /* BooleanLiteral */
+            ;
+          } else {
+            type = 3
+            /* Identifier */
+            ;
+          }
+
+          if (type !== 3
+          /* Identifier */
+          && start + id.length !== this.index) {
+            var restore = this.index;
+            this.index = start;
+            this.tolerateUnexpectedToken(messages_1.Messages.InvalidEscapedReservedWord);
+            this.index = restore;
+          }
+
+          return {
+            type: type,
+            value: id,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        }; // https://tc39.github.io/ecma262/#sec-punctuators
+
+
+        Scanner.prototype.scanPunctuator = function () {
+          var start = this.index; // Check for most common single-character punctuators.
+
+          var str = this.source[this.index];
+
+          switch (str) {
+            case '(':
+            case '{':
+              if (str === '{') {
+                this.curlyStack.push('{');
+              }
+
+              ++this.index;
+              break;
+
+            case '.':
+              ++this.index;
+
+              if (this.source[this.index] === '.' && this.source[this.index + 1] === '.') {
+                // Spread operator: ...
+                this.index += 2;
+                str = '...';
+              }
+
+              break;
+
+            case '}':
+              ++this.index;
+              this.curlyStack.pop();
+              break;
+
+            case ')':
+            case ';':
+            case ',':
+            case '[':
+            case ']':
+            case ':':
+            case '?':
+            case '~':
+              ++this.index;
+              break;
+
+            default:
+              // 4-character punctuator.
+              str = this.source.substr(this.index, 4);
+
+              if (str === '>>>=') {
+                this.index += 4;
+              } else {
+                // 3-character punctuators.
+                str = str.substr(0, 3);
+
+                if (str === '===' || str === '!==' || str === '>>>' || str === '<<=' || str === '>>=' || str === '**=') {
+                  this.index += 3;
+                } else {
+                  // 2-character punctuators.
+                  str = str.substr(0, 2);
+
+                  if (str === '&&' || str === '||' || str === '==' || str === '!=' || str === '+=' || str === '-=' || str === '*=' || str === '/=' || str === '++' || str === '--' || str === '<<' || str === '>>' || str === '&=' || str === '|=' || str === '^=' || str === '%=' || str === '<=' || str === '>=' || str === '=>' || str === '**') {
+                    this.index += 2;
+                  } else {
+                    // 1-character punctuators.
+                    str = this.source[this.index];
+
+                    if ('<>=!+-*%&|^/'.indexOf(str) >= 0) {
+                      ++this.index;
+                    }
+                  }
+                }
+              }
+
+          }
+
+          if (this.index === start) {
+            this.throwUnexpectedToken();
+          }
+
+          return {
+            type: 7
+            /* Punctuator */
+            ,
+            value: str,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        }; // https://tc39.github.io/ecma262/#sec-literals-numeric-literals
+
+
+        Scanner.prototype.scanHexLiteral = function (start) {
+          var num = '';
+
+          while (!this.eof()) {
+            if (!character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
+              break;
+            }
+
+            num += this.source[this.index++];
+          }
+
+          if (num.length === 0) {
+            this.throwUnexpectedToken();
+          }
+
+          if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
+            this.throwUnexpectedToken();
+          }
+
+          return {
+            type: 6
+            /* NumericLiteral */
+            ,
+            value: parseInt('0x' + num, 16),
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        };
+
+        Scanner.prototype.scanBinaryLiteral = function (start) {
+          var num = '';
+          var ch;
+
+          while (!this.eof()) {
+            ch = this.source[this.index];
+
+            if (ch !== '0' && ch !== '1') {
+              break;
+            }
+
+            num += this.source[this.index++];
+          }
+
+          if (num.length === 0) {
+            // only 0b or 0B
+            this.throwUnexpectedToken();
+          }
+
+          if (!this.eof()) {
+            ch = this.source.charCodeAt(this.index);
+            /* istanbul ignore else */
+
+            if (character_1.Character.isIdentifierStart(ch) || character_1.Character.isDecimalDigit(ch)) {
+              this.throwUnexpectedToken();
+            }
+          }
+
+          return {
+            type: 6
+            /* NumericLiteral */
+            ,
+            value: parseInt(num, 2),
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        };
+
+        Scanner.prototype.scanOctalLiteral = function (prefix, start) {
+          var num = '';
+          var octal = false;
+
+          if (character_1.Character.isOctalDigit(prefix.charCodeAt(0))) {
+            octal = true;
+            num = '0' + this.source[this.index++];
+          } else {
+            ++this.index;
+          }
+
+          while (!this.eof()) {
+            if (!character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
+              break;
+            }
+
+            num += this.source[this.index++];
+          }
+
+          if (!octal && num.length === 0) {
+            // only 0o or 0O
+            this.throwUnexpectedToken();
+          }
+
+          if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index)) || character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+            this.throwUnexpectedToken();
+          }
+
+          return {
+            type: 6
+            /* NumericLiteral */
+            ,
+            value: parseInt(num, 8),
+            octal: octal,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        };
+
+        Scanner.prototype.isImplicitOctalLiteral = function () {
+          // Implicit octal, unless there is a non-octal digit.
+          // (Annex B.1.1 on Numeric Literals)
+          for (var i = this.index + 1; i < this.length; ++i) {
+            var ch = this.source[i];
+
+            if (ch === '8' || ch === '9') {
+              return false;
+            }
+
+            if (!character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+              return true;
+            }
+          }
+
+          return true;
+        };
+
+        Scanner.prototype.scanNumericLiteral = function () {
+          var start = this.index;
+          var ch = this.source[start];
+          assert_1.assert(character_1.Character.isDecimalDigit(ch.charCodeAt(0)) || ch === '.', 'Numeric literal must start with a decimal digit or a decimal point');
+          var num = '';
+
+          if (ch !== '.') {
+            num = this.source[this.index++];
+            ch = this.source[this.index]; // Hex number starts with '0x'.
+            // Octal number starts with '0'.
+            // Octal number in ES6 starts with '0o'.
+            // Binary number in ES6 starts with '0b'.
+
+            if (num === '0') {
+              if (ch === 'x' || ch === 'X') {
+                ++this.index;
+                return this.scanHexLiteral(start);
+              }
+
+              if (ch === 'b' || ch === 'B') {
+                ++this.index;
+                return this.scanBinaryLiteral(start);
+              }
+
+              if (ch === 'o' || ch === 'O') {
+                return this.scanOctalLiteral(ch, start);
+              }
+
+              if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+                if (this.isImplicitOctalLiteral()) {
+                  return this.scanOctalLiteral(ch, start);
+                }
+              }
+            }
+
+            while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+              num += this.source[this.index++];
+            }
+
+            ch = this.source[this.index];
+          }
+
+          if (ch === '.') {
+            num += this.source[this.index++];
+
+            while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+              num += this.source[this.index++];
+            }
+
+            ch = this.source[this.index];
+          }
+
+          if (ch === 'e' || ch === 'E') {
+            num += this.source[this.index++];
+            ch = this.source[this.index];
+
+            if (ch === '+' || ch === '-') {
+              num += this.source[this.index++];
+            }
+
+            if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+              while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+                num += this.source[this.index++];
+              }
+            } else {
+              this.throwUnexpectedToken();
+            }
+          }
+
+          if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
+            this.throwUnexpectedToken();
+          }
+
+          return {
+            type: 6
+            /* NumericLiteral */
+            ,
+            value: parseFloat(num),
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        }; // https://tc39.github.io/ecma262/#sec-literals-string-literals
+
+
+        Scanner.prototype.scanStringLiteral = function () {
+          var start = this.index;
+          var quote = this.source[start];
+          assert_1.assert(quote === '\'' || quote === '"', 'String literal must starts with a quote');
+          ++this.index;
+          var octal = false;
+          var str = '';
+
+          while (!this.eof()) {
+            var ch = this.source[this.index++];
+
+            if (ch === quote) {
+              quote = '';
+              break;
+            } else if (ch === '\\') {
+              ch = this.source[this.index++];
+
+              if (!ch || !character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+                switch (ch) {
+                  case 'u':
+                    if (this.source[this.index] === '{') {
+                      ++this.index;
+                      str += this.scanUnicodeCodePointEscape();
+                    } else {
+                      var unescaped_1 = this.scanHexEscape(ch);
+
+                      if (unescaped_1 === null) {
+                        this.throwUnexpectedToken();
+                      }
+
+                      str += unescaped_1;
+                    }
+
+                    break;
+
+                  case 'x':
+                    var unescaped = this.scanHexEscape(ch);
+
+                    if (unescaped === null) {
+                      this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
+                    }
+
+                    str += unescaped;
+                    break;
+
+                  case 'n':
+                    str += '\n';
+                    break;
+
+                  case 'r':
+                    str += '\r';
+                    break;
+
+                  case 't':
+                    str += '\t';
+                    break;
+
+                  case 'b':
+                    str += '\b';
+                    break;
+
+                  case 'f':
+                    str += '\f';
+                    break;
+
+                  case 'v':
+                    str += '\x0B';
+                    break;
+
+                  case '8':
+                  case '9':
+                    str += ch;
+                    this.tolerateUnexpectedToken();
+                    break;
+
+                  default:
+                    if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+                      var octToDec = this.octalToDecimal(ch);
+                      octal = octToDec.octal || octal;
+                      str += String.fromCharCode(octToDec.code);
+                    } else {
+                      str += ch;
+                    }
+
+                    break;
+                }
+              } else {
+                ++this.lineNumber;
+
+                if (ch === '\r' && this.source[this.index] === '\n') {
+                  ++this.index;
+                }
+
+                this.lineStart = this.index;
+              }
+            } else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+              break;
+            } else {
+              str += ch;
+            }
+          }
+
+          if (quote !== '') {
+            this.index = start;
+            this.throwUnexpectedToken();
+          }
+
+          return {
+            type: 8
+            /* StringLiteral */
+            ,
+            value: str,
+            octal: octal,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        }; // https://tc39.github.io/ecma262/#sec-template-literal-lexical-components
+
+
+        Scanner.prototype.scanTemplate = function () {
+          var cooked = '';
+          var terminated = false;
+          var start = this.index;
+          var head = this.source[start] === '`';
+          var tail = false;
+          var rawOffset = 2;
+          ++this.index;
+
+          while (!this.eof()) {
+            var ch = this.source[this.index++];
+
+            if (ch === '`') {
+              rawOffset = 1;
+              tail = true;
+              terminated = true;
+              break;
+            } else if (ch === '$') {
+              if (this.source[this.index] === '{') {
+                this.curlyStack.push('${');
+                ++this.index;
+                terminated = true;
+                break;
+              }
+
+              cooked += ch;
+            } else if (ch === '\\') {
+              ch = this.source[this.index++];
+
+              if (!character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+                switch (ch) {
+                  case 'n':
+                    cooked += '\n';
+                    break;
+
+                  case 'r':
+                    cooked += '\r';
+                    break;
+
+                  case 't':
+                    cooked += '\t';
+                    break;
+
+                  case 'u':
+                    if (this.source[this.index] === '{') {
+                      ++this.index;
+                      cooked += this.scanUnicodeCodePointEscape();
+                    } else {
+                      var restore = this.index;
+                      var unescaped_2 = this.scanHexEscape(ch);
+
+                      if (unescaped_2 !== null) {
+                        cooked += unescaped_2;
+                      } else {
+                        this.index = restore;
+                        cooked += ch;
+                      }
+                    }
+
+                    break;
+
+                  case 'x':
+                    var unescaped = this.scanHexEscape(ch);
+
+                    if (unescaped === null) {
+                      this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
+                    }
+
+                    cooked += unescaped;
+                    break;
+
+                  case 'b':
+                    cooked += '\b';
+                    break;
+
+                  case 'f':
+                    cooked += '\f';
+                    break;
+
+                  case 'v':
+                    cooked += '\v';
+                    break;
+
+                  default:
+                    if (ch === '0') {
+                      if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
+                        // Illegal: \01 \02 and so on
+                        this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
+                      }
+
+                      cooked += '\0';
+                    } else if (character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
+                      // Illegal: \1 \2
+                      this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
+                    } else {
+                      cooked += ch;
+                    }
+
+                    break;
+                }
+              } else {
+                ++this.lineNumber;
+
+                if (ch === '\r' && this.source[this.index] === '\n') {
+                  ++this.index;
+                }
+
+                this.lineStart = this.index;
+              }
+            } else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+              ++this.lineNumber;
+
+              if (ch === '\r' && this.source[this.index] === '\n') {
+                ++this.index;
+              }
+
+              this.lineStart = this.index;
+              cooked += '\n';
+            } else {
+              cooked += ch;
+            }
+          }
+
+          if (!terminated) {
+            this.throwUnexpectedToken();
+          }
+
+          if (!head) {
+            this.curlyStack.pop();
+          }
+
+          return {
+            type: 10
+            /* Template */
+            ,
+            value: this.source.slice(start + 1, this.index - rawOffset),
+            cooked: cooked,
+            head: head,
+            tail: tail,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        }; // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals
+
+
+        Scanner.prototype.testRegExp = function (pattern, flags) {
+          // The BMP character to use as a replacement for astral symbols when
+          // translating an ES6 "u"-flagged pattern to an ES5-compatible
+          // approximation.
+          // Note: replacing with '\uFFFF' enables false positives in unlikely
+          // scenarios. For example, `[\u{1044f}-\u{10440}]` is an invalid
+          // pattern that would not be detected by this substitution.
+          var astralSubstitute = '\uFFFF';
+          var tmp = pattern;
+          var self = this;
+
+          if (flags.indexOf('u') >= 0) {
+            tmp = tmp.replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g, function ($0, $1, $2) {
+              var codePoint = parseInt($1 || $2, 16);
+
+              if (codePoint > 0x10FFFF) {
+                self.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
+              }
+
+              if (codePoint <= 0xFFFF) {
+                return String.fromCharCode(codePoint);
+              }
+
+              return astralSubstitute;
+            }).replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, astralSubstitute);
+          } // First, detect invalid regular expressions.
+
+
+          try {
+            RegExp(tmp);
+          } catch (e) {
+            this.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
+          } // Return a regular expression object for this pattern-flag pair, or
+          // `null` in case the current environment doesn't support the flags it
+          // uses.
+
+
+          try {
+            return new RegExp(pattern, flags);
+          } catch (exception) {
+            /* istanbul ignore next */
+            return null;
+          }
+        };
+
+        Scanner.prototype.scanRegExpBody = function () {
+          var ch = this.source[this.index];
+          assert_1.assert(ch === '/', 'Regular expression literal must start with a slash');
+          var str = this.source[this.index++];
+          var classMarker = false;
+          var terminated = false;
+
+          while (!this.eof()) {
+            ch = this.source[this.index++];
+            str += ch;
+
+            if (ch === '\\') {
+              ch = this.source[this.index++]; // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals
+
+              if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+                this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+              }
+
+              str += ch;
+            } else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
+              this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+            } else if (classMarker) {
+              if (ch === ']') {
+                classMarker = false;
+              }
+            } else {
+              if (ch === '/') {
+                terminated = true;
+                break;
+              } else if (ch === '[') {
+                classMarker = true;
+              }
+            }
+          }
+
+          if (!terminated) {
+            this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
+          } // Exclude leading and trailing slash.
+
+
+          return str.substr(1, str.length - 2);
+        };
+
+        Scanner.prototype.scanRegExpFlags = function () {
+          var str = '';
+          var flags = '';
+
+          while (!this.eof()) {
+            var ch = this.source[this.index];
+
+            if (!character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
+              break;
+            }
+
+            ++this.index;
+
+            if (ch === '\\' && !this.eof()) {
+              ch = this.source[this.index];
+
+              if (ch === 'u') {
+                ++this.index;
+                var restore = this.index;
+                var char = this.scanHexEscape('u');
+
+                if (char !== null) {
+                  flags += char;
+
+                  for (str += '\\u'; restore < this.index; ++restore) {
+                    str += this.source[restore];
+                  }
+                } else {
+                  this.index = restore;
+                  flags += 'u';
+                  str += '\\u';
+                }
+
+                this.tolerateUnexpectedToken();
+              } else {
+                str += '\\';
+                this.tolerateUnexpectedToken();
+              }
+            } else {
+              flags += ch;
+              str += ch;
+            }
+          }
+
+          return flags;
+        };
+
+        Scanner.prototype.scanRegExp = function () {
+          var start = this.index;
+          var pattern = this.scanRegExpBody();
+          var flags = this.scanRegExpFlags();
+          var value = this.testRegExp(pattern, flags);
+          return {
+            type: 9
+            /* RegularExpression */
+            ,
+            value: '',
+            pattern: pattern,
+            flags: flags,
+            regex: value,
+            lineNumber: this.lineNumber,
+            lineStart: this.lineStart,
+            start: start,
+            end: this.index
+          };
+        };
+
+        Scanner.prototype.lex = function () {
+          if (this.eof()) {
+            return {
+              type: 2
+              /* EOF */
+              ,
+              value: '',
+              lineNumber: this.lineNumber,
+              lineStart: this.lineStart,
+              start: this.index,
+              end: this.index
+            };
+          }
+
+          var cp = this.source.charCodeAt(this.index);
+
+          if (character_1.Character.isIdentifierStart(cp)) {
+            return this.scanIdentifier();
+          } // Very common: ( and ) and ;
+
+
+          if (cp === 0x28 || cp === 0x29 || cp === 0x3B) {
+            return this.scanPunctuator();
+          } // String literal starts with single quote (U+0027) or double quote (U+0022).
+
+
+          if (cp === 0x27 || cp === 0x22) {
+            return this.scanStringLiteral();
+          } // Dot (.) U+002E can also start a floating-point number, hence the need
+          // to check the next character.
+
+
+          if (cp === 0x2E) {
+            if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index + 1))) {
+              return this.scanNumericLiteral();
+            }
+
+            return this.scanPunctuator();
+          }
+
+          if (character_1.Character.isDecimalDigit(cp)) {
+            return this.scanNumericLiteral();
+          } // Template literals start with ` (U+0060) for template head
+          // or } (U+007D) for template middle or template tail.
+
+
+          if (cp === 0x60 || cp === 0x7D && this.curlyStack[this.curlyStack.length - 1] === '${') {
+            return this.scanTemplate();
+          } // Possible identifier start in a surrogate pair.
+
+
+          if (cp >= 0xD800 && cp < 0xDFFF) {
+            if (character_1.Character.isIdentifierStart(this.codePointAt(this.index))) {
+              return this.scanIdentifier();
+            }
+          }
+
+          return this.scanPunctuator();
+        };
+
+        return Scanner;
+      }();
+
+      exports.Scanner = Scanner;
+      /***/
+    },
+    /* 13 */
+
+    /***/
+    function (module, exports) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.TokenName = {};
+      exports.TokenName[1
+      /* BooleanLiteral */
+      ] = 'Boolean';
+      exports.TokenName[2
+      /* EOF */
+      ] = '<end>';
+      exports.TokenName[3
+      /* Identifier */
+      ] = 'Identifier';
+      exports.TokenName[4
+      /* Keyword */
+      ] = 'Keyword';
+      exports.TokenName[5
+      /* NullLiteral */
+      ] = 'Null';
+      exports.TokenName[6
+      /* NumericLiteral */
+      ] = 'Numeric';
+      exports.TokenName[7
+      /* Punctuator */
+      ] = 'Punctuator';
+      exports.TokenName[8
+      /* StringLiteral */
+      ] = 'String';
+      exports.TokenName[9
+      /* RegularExpression */
+      ] = 'RegularExpression';
+      exports.TokenName[10
+      /* Template */
+      ] = 'Template';
+      /***/
+    },
+    /* 14 */
+
+    /***/
+    function (module, exports) {
+      "use strict"; // Generated by generate-xhtml-entities.js. DO NOT MODIFY!
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+      exports.XHTMLEntities = {
+        quot: '\u0022',
+        amp: '\u0026',
+        apos: '\u0027',
+        gt: '\u003E',
+        nbsp: '\u00A0',
+        iexcl: '\u00A1',
+        cent: '\u00A2',
+        pound: '\u00A3',
+        curren: '\u00A4',
+        yen: '\u00A5',
+        brvbar: '\u00A6',
+        sect: '\u00A7',
+        uml: '\u00A8',
+        copy: '\u00A9',
+        ordf: '\u00AA',
+        laquo: '\u00AB',
+        not: '\u00AC',
+        shy: '\u00AD',
+        reg: '\u00AE',
+        macr: '\u00AF',
+        deg: '\u00B0',
+        plusmn: '\u00B1',
+        sup2: '\u00B2',
+        sup3: '\u00B3',
+        acute: '\u00B4',
+        micro: '\u00B5',
+        para: '\u00B6',
+        middot: '\u00B7',
+        cedil: '\u00B8',
+        sup1: '\u00B9',
+        ordm: '\u00BA',
+        raquo: '\u00BB',
+        frac14: '\u00BC',
+        frac12: '\u00BD',
+        frac34: '\u00BE',
+        iquest: '\u00BF',
+        Agrave: '\u00C0',
+        Aacute: '\u00C1',
+        Acirc: '\u00C2',
+        Atilde: '\u00C3',
+        Auml: '\u00C4',
+        Aring: '\u00C5',
+        AElig: '\u00C6',
+        Ccedil: '\u00C7',
+        Egrave: '\u00C8',
+        Eacute: '\u00C9',
+        Ecirc: '\u00CA',
+        Euml: '\u00CB',
+        Igrave: '\u00CC',
+        Iacute: '\u00CD',
+        Icirc: '\u00CE',
+        Iuml: '\u00CF',
+        ETH: '\u00D0',
+        Ntilde: '\u00D1',
+        Ograve: '\u00D2',
+        Oacute: '\u00D3',
+        Ocirc: '\u00D4',
+        Otilde: '\u00D5',
+        Ouml: '\u00D6',
+        times: '\u00D7',
+        Oslash: '\u00D8',
+        Ugrave: '\u00D9',
+        Uacute: '\u00DA',
+        Ucirc: '\u00DB',
+        Uuml: '\u00DC',
+        Yacute: '\u00DD',
+        THORN: '\u00DE',
+        szlig: '\u00DF',
+        agrave: '\u00E0',
+        aacute: '\u00E1',
+        acirc: '\u00E2',
+        atilde: '\u00E3',
+        auml: '\u00E4',
+        aring: '\u00E5',
+        aelig: '\u00E6',
+        ccedil: '\u00E7',
+        egrave: '\u00E8',
+        eacute: '\u00E9',
+        ecirc: '\u00EA',
+        euml: '\u00EB',
+        igrave: '\u00EC',
+        iacute: '\u00ED',
+        icirc: '\u00EE',
+        iuml: '\u00EF',
+        eth: '\u00F0',
+        ntilde: '\u00F1',
+        ograve: '\u00F2',
+        oacute: '\u00F3',
+        ocirc: '\u00F4',
+        otilde: '\u00F5',
+        ouml: '\u00F6',
+        divide: '\u00F7',
+        oslash: '\u00F8',
+        ugrave: '\u00F9',
+        uacute: '\u00FA',
+        ucirc: '\u00FB',
+        uuml: '\u00FC',
+        yacute: '\u00FD',
+        thorn: '\u00FE',
+        yuml: '\u00FF',
+        OElig: '\u0152',
+        oelig: '\u0153',
+        Scaron: '\u0160',
+        scaron: '\u0161',
+        Yuml: '\u0178',
+        fnof: '\u0192',
+        circ: '\u02C6',
+        tilde: '\u02DC',
+        Alpha: '\u0391',
+        Beta: '\u0392',
+        Gamma: '\u0393',
+        Delta: '\u0394',
+        Epsilon: '\u0395',
+        Zeta: '\u0396',
+        Eta: '\u0397',
+        Theta: '\u0398',
+        Iota: '\u0399',
+        Kappa: '\u039A',
+        Lambda: '\u039B',
+        Mu: '\u039C',
+        Nu: '\u039D',
+        Xi: '\u039E',
+        Omicron: '\u039F',
+        Pi: '\u03A0',
+        Rho: '\u03A1',
+        Sigma: '\u03A3',
+        Tau: '\u03A4',
+        Upsilon: '\u03A5',
+        Phi: '\u03A6',
+        Chi: '\u03A7',
+        Psi: '\u03A8',
+        Omega: '\u03A9',
+        alpha: '\u03B1',
+        beta: '\u03B2',
+        gamma: '\u03B3',
+        delta: '\u03B4',
+        epsilon: '\u03B5',
+        zeta: '\u03B6',
+        eta: '\u03B7',
+        theta: '\u03B8',
+        iota: '\u03B9',
+        kappa: '\u03BA',
+        lambda: '\u03BB',
+        mu: '\u03BC',
+        nu: '\u03BD',
+        xi: '\u03BE',
+        omicron: '\u03BF',
+        pi: '\u03C0',
+        rho: '\u03C1',
+        sigmaf: '\u03C2',
+        sigma: '\u03C3',
+        tau: '\u03C4',
+        upsilon: '\u03C5',
+        phi: '\u03C6',
+        chi: '\u03C7',
+        psi: '\u03C8',
+        omega: '\u03C9',
+        thetasym: '\u03D1',
+        upsih: '\u03D2',
+        piv: '\u03D6',
+        ensp: '\u2002',
+        emsp: '\u2003',
+        thinsp: '\u2009',
+        zwnj: '\u200C',
+        zwj: '\u200D',
+        lrm: '\u200E',
+        rlm: '\u200F',
+        ndash: '\u2013',
+        mdash: '\u2014',
+        lsquo: '\u2018',
+        rsquo: '\u2019',
+        sbquo: '\u201A',
+        ldquo: '\u201C',
+        rdquo: '\u201D',
+        bdquo: '\u201E',
+        dagger: '\u2020',
+        Dagger: '\u2021',
+        bull: '\u2022',
+        hellip: '\u2026',
+        permil: '\u2030',
+        prime: '\u2032',
+        Prime: '\u2033',
+        lsaquo: '\u2039',
+        rsaquo: '\u203A',
+        oline: '\u203E',
+        frasl: '\u2044',
+        euro: '\u20AC',
+        image: '\u2111',
+        weierp: '\u2118',
+        real: '\u211C',
+        trade: '\u2122',
+        alefsym: '\u2135',
+        larr: '\u2190',
+        uarr: '\u2191',
+        rarr: '\u2192',
+        darr: '\u2193',
+        harr: '\u2194',
+        crarr: '\u21B5',
+        lArr: '\u21D0',
+        uArr: '\u21D1',
+        rArr: '\u21D2',
+        dArr: '\u21D3',
+        hArr: '\u21D4',
+        forall: '\u2200',
+        part: '\u2202',
+        exist: '\u2203',
+        empty: '\u2205',
+        nabla: '\u2207',
+        isin: '\u2208',
+        notin: '\u2209',
+        ni: '\u220B',
+        prod: '\u220F',
+        sum: '\u2211',
+        minus: '\u2212',
+        lowast: '\u2217',
+        radic: '\u221A',
+        prop: '\u221D',
+        infin: '\u221E',
+        ang: '\u2220',
+        and: '\u2227',
+        or: '\u2228',
+        cap: '\u2229',
+        cup: '\u222A',
+        int: '\u222B',
+        there4: '\u2234',
+        sim: '\u223C',
+        cong: '\u2245',
+        asymp: '\u2248',
+        ne: '\u2260',
+        equiv: '\u2261',
+        le: '\u2264',
+        ge: '\u2265',
+        sub: '\u2282',
+        sup: '\u2283',
+        nsub: '\u2284',
+        sube: '\u2286',
+        supe: '\u2287',
+        oplus: '\u2295',
+        otimes: '\u2297',
+        perp: '\u22A5',
+        sdot: '\u22C5',
+        lceil: '\u2308',
+        rceil: '\u2309',
+        lfloor: '\u230A',
+        rfloor: '\u230B',
+        loz: '\u25CA',
+        spades: '\u2660',
+        clubs: '\u2663',
+        hearts: '\u2665',
+        diams: '\u2666',
+        lang: '\u27E8',
+        rang: '\u27E9'
+      };
+      /***/
+    },
+    /* 15 */
+
+    /***/
+    function (module, exports, __webpack_require__) {
+      "use strict";
+
+      Object.defineProperty(exports, "__esModule", {
+        value: true
+      });
+
+      var error_handler_1 = __webpack_require__(10);
+
+      var scanner_1 = __webpack_require__(12);
+
+      var token_1 = __webpack_require__(13);
+
+      var Reader = function () {
+        function Reader() {
+          this.values = [];
+          this.curly = this.paren = -1;
+        } // A function following one of those tokens is an expression.
+
+
+        Reader.prototype.beforeFunctionExpression = function (t) {
+          return ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new', 'return', 'case', 'delete', 'throw', 'void', // assignment operators
+          '=', '+=', '-=', '*=', '**=', '/=', '%=', '<<=', '>>=', '>>>=', '&=', '|=', '^=', ',', // binary/unary operators
+          '+', '-', '*', '**', '/', '%', '++', '--', '<<', '>>', '>>>', '&', '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=', '<=', '<', '>', '!=', '!=='].indexOf(t) >= 0;
+        }; // Determine if forward slash (/) is an operator or part of a regular expression
+        // https://github.com/mozilla/sweet.js/wiki/design
+
+
+        Reader.prototype.isRegexStart = function () {
+          var previous = this.values[this.values.length - 1];
+          var regex = previous !== null;
+
+          switch (previous) {
+            case 'this':
+            case ']':
+              regex = false;
+              break;
+
+            case ')':
+              var keyword = this.values[this.paren - 1];
+              regex = keyword === 'if' || keyword === 'while' || keyword === 'for' || keyword === 'with';
+              break;
+
+            case '}':
+              // Dividing a function by anything makes little sense,
+              // but we have to check for that.
+              regex = false;
+
+              if (this.values[this.curly - 3] === 'function') {
+                // Anonymous function, e.g. function(){} /42
+                var check = this.values[this.curly - 4];
+                regex = check ? !this.beforeFunctionExpression(check) : false;
+              } else if (this.values[this.curly - 4] === 'function') {
+                // Named function, e.g. function f(){} /42/
+                var check = this.values[this.curly - 5];
+                regex = check ? !this.beforeFunctionExpression(check) : true;
+              }
+
+              break;
+
+            default:
+              break;
+          }
+
+          return regex;
+        };
+
+        Reader.prototype.push = function (token) {
+          if (token.type === 7
+          /* Punctuator */
+          || token.type === 4
+          /* Keyword */
+          ) {
+              if (token.value === '{') {
+                this.curly = this.values.length;
+              } else if (token.value === '(') {
+                this.paren = this.values.length;
+              }
+
+              this.values.push(token.value);
+            } else {
+            this.values.push(null);
+          }
+        };
+
+        return Reader;
+      }();
+
+      var Tokenizer = function () {
+        function Tokenizer(code, config) {
+          this.errorHandler = new error_handler_1.ErrorHandler();
+          this.errorHandler.tolerant = config ? typeof config.tolerant === 'boolean' && config.tolerant : false;
+          this.scanner = new scanner_1.Scanner(code, this.errorHandler);
+          this.scanner.trackComment = config ? typeof config.comment === 'boolean' && config.comment : false;
+          this.trackRange = config ? typeof config.range === 'boolean' && config.range : false;
+          this.trackLoc = config ? typeof config.loc === 'boolean' && config.loc : false;
+          this.buffer = [];
+          this.reader = new Reader();
+        }
+
+        Tokenizer.prototype.errors = function () {
+          return this.errorHandler.errors;
+        };
+
+        Tokenizer.prototype.getNextToken = function () {
+          if (this.buffer.length === 0) {
+            var comments = this.scanner.scanComments();
+
+            if (this.scanner.trackComment) {
+              for (var i = 0; i < comments.length; ++i) {
+                var e = comments[i];
+                var value = this.scanner.source.slice(e.slice[0], e.slice[1]);
+                var comment = {
+                  type: e.multiLine ? 'BlockComment' : 'LineComment',
+                  value: value
+                };
+
+                if (this.trackRange) {
+                  comment.range = e.range;
+                }
+
+                if (this.trackLoc) {
+                  comment.loc = e.loc;
+                }
+
+                this.buffer.push(comment);
+              }
+            }
+
+            if (!this.scanner.eof()) {
+              var loc = void 0;
+
+              if (this.trackLoc) {
+                loc = {
+                  start: {
+                    line: this.scanner.lineNumber,
+                    column: this.scanner.index - this.scanner.lineStart
+                  },
+                  end: {}
+                };
+              }
+
+              var startRegex = this.scanner.source[this.scanner.index] === '/' && this.reader.isRegexStart();
+              var token = startRegex ? this.scanner.scanRegExp() : this.scanner.lex();
+              this.reader.push(token);
+              var entry = {
+                type: token_1.TokenName[token.type],
+                value: this.scanner.source.slice(token.start, token.end)
+              };
+
+              if (this.trackRange) {
+                entry.range = [token.start, token.end];
+              }
+
+              if (this.trackLoc) {
+                loc.end = {
+                  line: this.scanner.lineNumber,
+                  column: this.scanner.index - this.scanner.lineStart
+                };
+                entry.loc = loc;
+              }
+
+              if (token.type === 9
+              /* RegularExpression */
+              ) {
+                  var pattern = token.pattern;
+                  var flags = token.flags;
+                  entry.regex = {
+                    pattern: pattern,
+                    flags: flags
+                  };
+                }
+
+              this.buffer.push(entry);
+            }
+          }
+
+          return this.buffer.shift();
+        };
+
+        return Tokenizer;
+      }();
+
+      exports.Tokenizer = Tokenizer;
+      /***/
+    }
+    /******/
+    ])
+  );
+});
+
+;
+
+/***/ }),
+/* 879 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+/*eslint-disable no-use-before-define*/
+
+var common = __webpack_require__(851);
+
+var YAMLException = __webpack_require__(852);
+
+var DEFAULT_FULL_SCHEMA = __webpack_require__(874);
+
+var DEFAULT_SAFE_SCHEMA = __webpack_require__(854);
+
+var _toString = Object.prototype.toString;
+var _hasOwnProperty = Object.prototype.hasOwnProperty;
+var CHAR_TAB = 0x09;
+/* Tab */
+
+var CHAR_LINE_FEED = 0x0A;
+/* LF */
+
+var CHAR_SPACE = 0x20;
+/* Space */
+
+var CHAR_EXCLAMATION = 0x21;
+/* ! */
+
+var CHAR_DOUBLE_QUOTE = 0x22;
+/* " */
+
+var CHAR_SHARP = 0x23;
+/* # */
+
+var CHAR_PERCENT = 0x25;
+/* % */
+
+var CHAR_AMPERSAND = 0x26;
+/* & */
+
+var CHAR_SINGLE_QUOTE = 0x27;
+/* ' */
+
+var CHAR_ASTERISK = 0x2A;
+/* * */
+
+var CHAR_COMMA = 0x2C;
+/* , */
+
+var CHAR_MINUS = 0x2D;
+/* - */
+
+var CHAR_COLON = 0x3A;
+/* : */
+
+var CHAR_GREATER_THAN = 0x3E;
+/* > */
+
+var CHAR_QUESTION = 0x3F;
+/* ? */
+
+var CHAR_COMMERCIAL_AT = 0x40;
+/* @ */
+
+var CHAR_LEFT_SQUARE_BRACKET = 0x5B;
+/* [ */
+
+var CHAR_RIGHT_SQUARE_BRACKET = 0x5D;
+/* ] */
+
+var CHAR_GRAVE_ACCENT = 0x60;
+/* ` */
+
+var CHAR_LEFT_CURLY_BRACKET = 0x7B;
+/* { */
+
+var CHAR_VERTICAL_LINE = 0x7C;
+/* | */
+
+var CHAR_RIGHT_CURLY_BRACKET = 0x7D;
+/* } */
+
+var ESCAPE_SEQUENCES = {};
+ESCAPE_SEQUENCES[0x00] = '\\0';
+ESCAPE_SEQUENCES[0x07] = '\\a';
+ESCAPE_SEQUENCES[0x08] = '\\b';
+ESCAPE_SEQUENCES[0x09] = '\\t';
+ESCAPE_SEQUENCES[0x0A] = '\\n';
+ESCAPE_SEQUENCES[0x0B] = '\\v';
+ESCAPE_SEQUENCES[0x0C] = '\\f';
+ESCAPE_SEQUENCES[0x0D] = '\\r';
+ESCAPE_SEQUENCES[0x1B] = '\\e';
+ESCAPE_SEQUENCES[0x22] = '\\"';
+ESCAPE_SEQUENCES[0x5C] = '\\\\';
+ESCAPE_SEQUENCES[0x85] = '\\N';
+ESCAPE_SEQUENCES[0xA0] = '\\_';
+ESCAPE_SEQUENCES[0x2028] = '\\L';
+ESCAPE_SEQUENCES[0x2029] = '\\P';
+var DEPRECATED_BOOLEANS_SYNTAX = ['y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'];
+
+function compileStyleMap(schema, map) {
+  var result, keys, index, length, tag, style, type;
+  if (map === null) return {};
+  result = {};
+  keys = Object.keys(map);
+
+  for (index = 0, length = keys.length; index < length; index += 1) {
+    tag = keys[index];
+    style = String(map[tag]);
+
+    if (tag.slice(0, 2) === '!!') {
+      tag = 'tag:yaml.org,2002:' + tag.slice(2);
+    }
+
+    type = schema.compiledTypeMap['fallback'][tag];
+
+    if (type && _hasOwnProperty.call(type.styleAliases, style)) {
+      style = type.styleAliases[style];
+    }
+
+    result[tag] = style;
+  }
+
+  return result;
+}
+
+function encodeHex(character) {
+  var string, handle, length;
+  string = character.toString(16).toUpperCase();
+
+  if (character <= 0xFF) {
+    handle = 'x';
+    length = 2;
+  } else if (character <= 0xFFFF) {
+    handle = 'u';
+    length = 4;
+  } else if (character <= 0xFFFFFFFF) {
+    handle = 'U';
+    length = 8;
+  } else {
+    throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF');
+  }
+
+  return '\\' + handle + common.repeat('0', length - string.length) + string;
+}
+
+function State(options) {
+  this.schema = options['schema'] || DEFAULT_FULL_SCHEMA;
+  this.indent = Math.max(1, options['indent'] || 2);
+  this.noArrayIndent = options['noArrayIndent'] || false;
+  this.skipInvalid = options['skipInvalid'] || false;
+  this.flowLevel = common.isNothing(options['flowLevel']) ? -1 : options['flowLevel'];
+  this.styleMap = compileStyleMap(this.schema, options['styles'] || null);
+  this.sortKeys = options['sortKeys'] || false;
+  this.lineWidth = options['lineWidth'] || 80;
+  this.noRefs = options['noRefs'] || false;
+  this.noCompatMode = options['noCompatMode'] || false;
+  this.condenseFlow = options['condenseFlow'] || false;
+  this.implicitTypes = this.schema.compiledImplicit;
+  this.explicitTypes = this.schema.compiledExplicit;
+  this.tag = null;
+  this.result = '';
+  this.duplicates = [];
+  this.usedDuplicates = null;
+} // Indents every line in a string. Empty lines (\n only) are not indented.
+
+
+function indentString(string, spaces) {
+  var ind = common.repeat(' ', spaces),
+      position = 0,
+      next = -1,
+      result = '',
+      line,
+      length = string.length;
+
+  while (position < length) {
+    next = string.indexOf('\n', position);
+
+    if (next === -1) {
+      line = string.slice(position);
+      position = length;
+    } else {
+      line = string.slice(position, next + 1);
+      position = next + 1;
+    }
+
+    if (line.length && line !== '\n') result += ind;
+    result += line;
+  }
+
+  return result;
+}
+
+function generateNextLine(state, level) {
+  return '\n' + common.repeat(' ', state.indent * level);
+}
+
+function testImplicitResolving(state, str) {
+  var index, length, type;
+
+  for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {
+    type = state.implicitTypes[index];
+
+    if (type.resolve(str)) {
+      return true;
+    }
+  }
+
+  return false;
+} // [33] s-white ::= s-space | s-tab
+
+
+function isWhitespace(c) {
+  return c === CHAR_SPACE || c === CHAR_TAB;
+} // Returns true if the character can be printed without escaping.
+// From YAML 1.2: "any allowed characters known to be non-printable
+// should also be escaped. [However,] This isn’t mandatory"
+// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029.
+
+
+function isPrintable(c) {
+  return 0x00020 <= c && c <= 0x00007E || 0x000A1 <= c && c <= 0x00D7FF && c !== 0x2028 && c !== 0x2029 || 0x0E000 <= c && c <= 0x00FFFD && c !== 0xFEFF
+  /* BOM */
+  || 0x10000 <= c && c <= 0x10FFFF;
+} // Simplified test for values allowed after the first character in plain style.
+
+
+function isPlainSafe(c) {
+  // Uses a subset of nb-char - c-flow-indicator - ":" - "#"
+  // where nb-char ::= c-printable - b-char - c-byte-order-mark.
+  return isPrintable(c) && c !== 0xFEFF // - c-flow-indicator
+  && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // - ":" - "#"
+  && c !== CHAR_COLON && c !== CHAR_SHARP;
+} // Simplified test for values allowed as the first character in plain style.
+
+
+function isPlainSafeFirst(c) {
+  // Uses a subset of ns-char - c-indicator
+  // where ns-char = nb-char - s-white.
+  return isPrintable(c) && c !== 0xFEFF && !isWhitespace(c) // - s-white
+  // - (c-indicator ::=
+  // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”
+  && c !== CHAR_MINUS && c !== CHAR_QUESTION && c !== CHAR_COLON && c !== CHAR_COMMA && c !== CHAR_LEFT_SQUARE_BRACKET && c !== CHAR_RIGHT_SQUARE_BRACKET && c !== CHAR_LEFT_CURLY_BRACKET && c !== CHAR_RIGHT_CURLY_BRACKET // | “#” | “&” | “*” | “!” | “|” | “>” | “'” | “"”
+  && c !== CHAR_SHARP && c !== CHAR_AMPERSAND && c !== CHAR_ASTERISK && c !== CHAR_EXCLAMATION && c !== CHAR_VERTICAL_LINE && c !== CHAR_GREATER_THAN && c !== CHAR_SINGLE_QUOTE && c !== CHAR_DOUBLE_QUOTE // | “%” | “@” | “`”)
+  && c !== CHAR_PERCENT && c !== CHAR_COMMERCIAL_AT && c !== CHAR_GRAVE_ACCENT;
+} // Determines whether block indentation indicator is required.
+
+
+function needIndentIndicator(string) {
+  var leadingSpaceRe = /^\n* /;
+  return leadingSpaceRe.test(string);
+}
+
+var STYLE_PLAIN = 1,
+    STYLE_SINGLE = 2,
+    STYLE_LITERAL = 3,
+    STYLE_FOLDED = 4,
+    STYLE_DOUBLE = 5; // Determines which scalar styles are possible and returns the preferred style.
+// lineWidth = -1 => no limit.
+// Pre-conditions: str.length > 0.
+// Post-conditions:
+//    STYLE_PLAIN or STYLE_SINGLE => no \n are in the string.
+//    STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).
+//    STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).
+
+function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) {
+  var i;
+  var char;
+  var hasLineBreak = false;
+  var hasFoldableLine = false; // only checked if shouldTrackWidth
+
+  var shouldTrackWidth = lineWidth !== -1;
+  var previousLineBreak = -1; // count the first line correctly
+
+  var plain = isPlainSafeFirst(string.charCodeAt(0)) && !isWhitespace(string.charCodeAt(string.length - 1));
+
+  if (singleLineOnly) {
+    // Case: no block styles.
+    // Check for disallowed characters to rule out plain and single.
+    for (i = 0; i < string.length; i++) {
+      char = string.charCodeAt(i);
+
+      if (!isPrintable(char)) {
+        return STYLE_DOUBLE;
+      }
+
+      plain = plain && isPlainSafe(char);
+    }
+  } else {
+    // Case: block styles permitted.
+    for (i = 0; i < string.length; i++) {
+      char = string.charCodeAt(i);
+
+      if (char === CHAR_LINE_FEED) {
+        hasLineBreak = true; // Check if any line can be folded.
+
+        if (shouldTrackWidth) {
+          hasFoldableLine = hasFoldableLine || // Foldable line = too long, and not more-indented.
+          i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' ';
+          previousLineBreak = i;
+        }
+      } else if (!isPrintable(char)) {
+        return STYLE_DOUBLE;
+      }
+
+      plain = plain && isPlainSafe(char);
+    } // in case the end is missing a \n
+
+
+    hasFoldableLine = hasFoldableLine || shouldTrackWidth && i - previousLineBreak - 1 > lineWidth && string[previousLineBreak + 1] !== ' ';
+  } // Although every style can represent \n without escaping, prefer block styles
+  // for multiline, since they're more readable and they don't add empty lines.
+  // Also prefer folding a super-long line.
+
+
+  if (!hasLineBreak && !hasFoldableLine) {
+    // Strings interpretable as another type have to be quoted;
+    // e.g. the string 'true' vs. the boolean true.
+    return plain && !testAmbiguousType(string) ? STYLE_PLAIN : STYLE_SINGLE;
+  } // Edge case: block indentation indicator can only have one digit.
+
+
+  if (indentPerLevel > 9 && needIndentIndicator(string)) {
+    return STYLE_DOUBLE;
+  } // At this point we know block styles are valid.
+  // Prefer literal style unless we want to fold.
+
+
+  return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;
+} // Note: line breaking/folding is implemented for only the folded style.
+// NB. We drop the last trailing newline (if any) of a returned block scalar
+//  since the dumper adds its own newline. This always works:
+//    • No ending newline => unaffected; already using strip "-" chomping.
+//    • Ending newline    => removed then restored.
+//  Importantly, this keeps the "+" chomp indicator from gaining an extra line.
+
+
+function writeScalar(state, string, level, iskey) {
+  state.dump = function () {
+    if (string.length === 0) {
+      return "''";
+    }
+
+    if (!state.noCompatMode && DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) {
+      return "'" + string + "'";
+    }
+
+    var indent = state.indent * Math.max(1, level); // no 0-indent scalars
+    // As indentation gets deeper, let the width decrease monotonically
+    // to the lower bound min(state.lineWidth, 40).
+    // Note that this implies
+    //  state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.
+    //  state.lineWidth > 40 + state.indent: width decreases until the lower bound.
+    // This behaves better than a constant minimum width which disallows narrower options,
+    // or an indent threshold which causes the width to suddenly increase.
+
+    var lineWidth = state.lineWidth === -1 ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); // Without knowing if keys are implicit/explicit, assume implicit for safety.
+
+    var singleLineOnly = iskey // No block styles in flow mode.
+    || state.flowLevel > -1 && level >= state.flowLevel;
+
+    function testAmbiguity(string) {
+      return testImplicitResolving(state, string);
+    }
+
+    switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) {
+      case STYLE_PLAIN:
+        return string;
+
+      case STYLE_SINGLE:
+        return "'" + string.replace(/'/g, "''") + "'";
+
+      case STYLE_LITERAL:
+        return '|' + blockHeader(string, state.indent) + dropEndingNewline(indentString(string, indent));
+
+      case STYLE_FOLDED:
+        return '>' + blockHeader(string, state.indent) + dropEndingNewline(indentString(foldString(string, lineWidth), indent));
+
+      case STYLE_DOUBLE:
+        return '"' + escapeString(string, lineWidth) + '"';
+
+      default:
+        throw new YAMLException('impossible error: invalid scalar style');
+    }
+  }();
+} // Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.
+
+
+function blockHeader(string, indentPerLevel) {
+  var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; // note the special case: the string '\n' counts as a "trailing" empty line.
+
+  var clip = string[string.length - 1] === '\n';
+  var keep = clip && (string[string.length - 2] === '\n' || string === '\n');
+  var chomp = keep ? '+' : clip ? '' : '-';
+  return indentIndicator + chomp + '\n';
+} // (See the note for writeScalar.)
+
+
+function dropEndingNewline(string) {
+  return string[string.length - 1] === '\n' ? string.slice(0, -1) : string;
+} // Note: a long line without a suitable break point will exceed the width limit.
+// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.
+
+
+function foldString(string, width) {
+  // In folded style, $k$ consecutive newlines output as $k+1$ newlines—
+  // unless they're before or after a more-indented line, or at the very
+  // beginning or end, in which case $k$ maps to $k$.
+  // Therefore, parse each chunk as newline(s) followed by a content line.
+  var lineRe = /(\n+)([^\n]*)/g; // first line (possibly an empty line)
+
+  var result = function () {
+    var nextLF = string.indexOf('\n');
+    nextLF = nextLF !== -1 ? nextLF : string.length;
+    lineRe.lastIndex = nextLF;
+    return foldLine(string.slice(0, nextLF), width);
+  }(); // If we haven't reached the first content line yet, don't add an extra \n.
+
+
+  var prevMoreIndented = string[0] === '\n' || string[0] === ' ';
+  var moreIndented; // rest of the lines
+
+  var match;
+
+  while (match = lineRe.exec(string)) {
+    var prefix = match[1],
+        line = match[2];
+    moreIndented = line[0] === ' ';
+    result += prefix + (!prevMoreIndented && !moreIndented && line !== '' ? '\n' : '') + foldLine(line, width);
+    prevMoreIndented = moreIndented;
+  }
+
+  return result;
+} // Greedy line breaking.
+// Picks the longest line under the limit each time,
+// otherwise settles for the shortest line over the limit.
+// NB. More-indented lines *cannot* be folded, as that would add an extra \n.
+
+
+function foldLine(line, width) {
+  if (line === '' || line[0] === ' ') return line; // Since a more-indented line adds a \n, breaks can't be followed by a space.
+
+  var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.
+
+  var match; // start is an inclusive index. end, curr, and next are exclusive.
+
+  var start = 0,
+      end,
+      curr = 0,
+      next = 0;
+  var result = ''; // Invariants: 0 <= start <= length-1.
+  //   0 <= curr <= next <= max(0, length-2). curr - start <= width.
+  // Inside the loop:
+  //   A match implies length >= 2, so curr and next are <= length-2.
+
+  while (match = breakRe.exec(line)) {
+    next = match.index; // maintain invariant: curr - start <= width
+
+    if (next - start > width) {
+      end = curr > start ? curr : next; // derive end <= length-2
+
+      result += '\n' + line.slice(start, end); // skip the space that was output as \n
+
+      start = end + 1; // derive start <= length-1
+    }
+
+    curr = next;
+  } // By the invariants, start <= length-1, so there is something left over.
+  // It is either the whole string or a part starting from non-whitespace.
+
+
+  result += '\n'; // Insert a break if the remainder is too long and there is a break available.
+
+  if (line.length - start > width && curr > start) {
+    result += line.slice(start, curr) + '\n' + line.slice(curr + 1);
+  } else {
+    result += line.slice(start);
+  }
+
+  return result.slice(1); // drop extra \n joiner
+} // Escapes a double-quoted string.
+
+
+function escapeString(string) {
+  var result = '';
+  var char, nextChar;
+  var escapeSeq;
+
+  for (var i = 0; i < string.length; i++) {
+    char = string.charCodeAt(i); // Check for surrogate pairs (reference Unicode 3.0 section "3.7 Surrogates").
+
+    if (char >= 0xD800 && char <= 0xDBFF
+    /* high surrogate */
+    ) {
+        nextChar = string.charCodeAt(i + 1);
+
+        if (nextChar >= 0xDC00 && nextChar <= 0xDFFF
+        /* low surrogate */
+        ) {
+            // Combine the surrogate pair and store it escaped.
+            result += encodeHex((char - 0xD800) * 0x400 + nextChar - 0xDC00 + 0x10000); // Advance index one extra since we already used that char here.
+
+            i++;
+            continue;
+          }
+      }
+
+    escapeSeq = ESCAPE_SEQUENCES[char];
+    result += !escapeSeq && isPrintable(char) ? string[i] : escapeSeq || encodeHex(char);
+  }
+
+  return result;
+}
+
+function writeFlowSequence(state, level, object) {
+  var _result = '',
+      _tag = state.tag,
+      index,
+      length;
+
+  for (index = 0, length = object.length; index < length; index += 1) {
+    // Write only valid elements.
+    if (writeNode(state, level, object[index], false, false)) {
+      if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : '');
+      _result += state.dump;
+    }
+  }
+
+  state.tag = _tag;
+  state.dump = '[' + _result + ']';
+}
+
+function writeBlockSequence(state, level, object, compact) {
+  var _result = '',
+      _tag = state.tag,
+      index,
+      length;
+
+  for (index = 0, length = object.length; index < length; index += 1) {
+    // Write only valid elements.
+    if (writeNode(state, level + 1, object[index], true, true)) {
+      if (!compact || index !== 0) {
+        _result += generateNextLine(state, level);
+      }
+
+      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
+        _result += '-';
+      } else {
+        _result += '- ';
+      }
+
+      _result += state.dump;
+    }
+  }
+
+  state.tag = _tag;
+  state.dump = _result || '[]'; // Empty sequence if no valid values.
+}
+
+function writeFlowMapping(state, level, object) {
+  var _result = '',
+      _tag = state.tag,
+      objectKeyList = Object.keys(object),
+      index,
+      length,
+      objectKey,
+      objectValue,
+      pairBuffer;
+
+  for (index = 0, length = objectKeyList.length; index < length; index += 1) {
+    pairBuffer = state.condenseFlow ? '"' : '';
+    if (index !== 0) pairBuffer += ', ';
+    objectKey = objectKeyList[index];
+    objectValue = object[objectKey];
+
+    if (!writeNode(state, level, objectKey, false, false)) {
+      continue; // Skip this pair because of invalid key;
+    }
+
+    if (state.dump.length > 1024) pairBuffer += '? ';
+    pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' ');
+
+    if (!writeNode(state, level, objectValue, false, false)) {
+      continue; // Skip this pair because of invalid value.
+    }
+
+    pairBuffer += state.dump; // Both key and value are valid.
+
+    _result += pairBuffer;
+  }
+
+  state.tag = _tag;
+  state.dump = '{' + _result + '}';
+}
+
+function writeBlockMapping(state, level, object, compact) {
+  var _result = '',
+      _tag = state.tag,
+      objectKeyList = Object.keys(object),
+      index,
+      length,
+      objectKey,
+      objectValue,
+      explicitPair,
+      pairBuffer; // Allow sorting keys so that the output file is deterministic
+
+  if (state.sortKeys === true) {
+    // Default sorting
+    objectKeyList.sort();
+  } else if (typeof state.sortKeys === 'function') {
+    // Custom sort function
+    objectKeyList.sort(state.sortKeys);
+  } else if (state.sortKeys) {
+    // Something is wrong
+    throw new YAMLException('sortKeys must be a boolean or a function');
+  }
+
+  for (index = 0, length = objectKeyList.length; index < length; index += 1) {
+    pairBuffer = '';
+
+    if (!compact || index !== 0) {
+      pairBuffer += generateNextLine(state, level);
+    }
+
+    objectKey = objectKeyList[index];
+    objectValue = object[objectKey];
+
+    if (!writeNode(state, level + 1, objectKey, true, true, true)) {
+      continue; // Skip this pair because of invalid key.
+    }
+
+    explicitPair = state.tag !== null && state.tag !== '?' || state.dump && state.dump.length > 1024;
+
+    if (explicitPair) {
+      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
+        pairBuffer += '?';
+      } else {
+        pairBuffer += '? ';
+      }
+    }
+
+    pairBuffer += state.dump;
+
+    if (explicitPair) {
+      pairBuffer += generateNextLine(state, level);
+    }
+
+    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
+      continue; // Skip this pair because of invalid value.
+    }
+
+    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
+      pairBuffer += ':';
+    } else {
+      pairBuffer += ': ';
+    }
+
+    pairBuffer += state.dump; // Both key and value are valid.
+
+    _result += pairBuffer;
+  }
+
+  state.tag = _tag;
+  state.dump = _result || '{}'; // Empty mapping if no valid pairs.
+}
+
+function detectType(state, object, explicit) {
+  var _result, typeList, index, length, type, style;
+
+  typeList = explicit ? state.explicitTypes : state.implicitTypes;
+
+  for (index = 0, length = typeList.length; index < length; index += 1) {
+    type = typeList[index];
+
+    if ((type.instanceOf || type.predicate) && (!type.instanceOf || typeof object === 'object' && object instanceof type.instanceOf) && (!type.predicate || type.predicate(object))) {
+      state.tag = explicit ? type.tag : '?';
+
+      if (type.represent) {
+        style = state.styleMap[type.tag] || type.defaultStyle;
+
+        if (_toString.call(type.represent) === '[object Function]') {
+          _result = type.represent(object, style);
+        } else if (_hasOwnProperty.call(type.represent, style)) {
+          _result = type.represent[style](object, style);
+        } else {
+          throw new YAMLException('!<' + type.tag + '> tag resolver accepts not "' + style + '" style');
+        }
+
+        state.dump = _result;
+      }
+
+      return true;
+    }
+  }
+
+  return false;
+} // Serializes `object` and writes it to global `result`.
+// Returns true on success, or false on invalid object.
+//
+
+
+function writeNode(state, level, object, block, compact, iskey) {
+  state.tag = null;
+  state.dump = object;
+
+  if (!detectType(state, object, false)) {
+    detectType(state, object, true);
+  }
+
+  var type = _toString.call(state.dump);
+
+  if (block) {
+    block = state.flowLevel < 0 || state.flowLevel > level;
+  }
+
+  var objectOrArray = type === '[object Object]' || type === '[object Array]',
+      duplicateIndex,
+      duplicate;
+
+  if (objectOrArray) {
+    duplicateIndex = state.duplicates.indexOf(object);
+    duplicate = duplicateIndex !== -1;
+  }
+
+  if (state.tag !== null && state.tag !== '?' || duplicate || state.indent !== 2 && level > 0) {
+    compact = false;
+  }
+
+  if (duplicate && state.usedDuplicates[duplicateIndex]) {
+    state.dump = '*ref_' + duplicateIndex;
+  } else {
+    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
+      state.usedDuplicates[duplicateIndex] = true;
+    }
+
+    if (type === '[object Object]') {
+      if (block && Object.keys(state.dump).length !== 0) {
+        writeBlockMapping(state, level, state.dump, compact);
+
+        if (duplicate) {
+          state.dump = '&ref_' + duplicateIndex + state.dump;
+        }
+      } else {
+        writeFlowMapping(state, level, state.dump);
+
+        if (duplicate) {
+          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
+        }
+      }
+    } else if (type === '[object Array]') {
+      var arrayLevel = state.noArrayIndent && level > 0 ? level - 1 : level;
+
+      if (block && state.dump.length !== 0) {
+        writeBlockSequence(state, arrayLevel, state.dump, compact);
+
+        if (duplicate) {
+          state.dump = '&ref_' + duplicateIndex + state.dump;
+        }
+      } else {
+        writeFlowSequence(state, arrayLevel, state.dump);
+
+        if (duplicate) {
+          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
+        }
+      }
+    } else if (type === '[object String]') {
+      if (state.tag !== '?') {
+        writeScalar(state, state.dump, level, iskey);
+      }
+    } else {
+      if (state.skipInvalid) return false;
+      throw new YAMLException('unacceptable kind of an object to dump ' + type);
+    }
+
+    if (state.tag !== null && state.tag !== '?') {
+      state.dump = '!<' + state.tag + '> ' + state.dump;
+    }
+  }
+
+  return true;
+}
+
+function getDuplicateReferences(object, state) {
+  var objects = [],
+      duplicatesIndexes = [],
+      index,
+      length;
+  inspectNode(object, objects, duplicatesIndexes);
+
+  for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {
+    state.duplicates.push(objects[duplicatesIndexes[index]]);
+  }
+
+  state.usedDuplicates = new Array(length);
+}
+
+function inspectNode(object, objects, duplicatesIndexes) {
+  var objectKeyList, index, length;
+
+  if (object !== null && typeof object === 'object') {
+    index = objects.indexOf(object);
+
+    if (index !== -1) {
+      if (duplicatesIndexes.indexOf(index) === -1) {
+        duplicatesIndexes.push(index);
+      }
+    } else {
+      objects.push(object);
+
+      if (Array.isArray(object)) {
+        for (index = 0, length = object.length; index < length; index += 1) {
+          inspectNode(object[index], objects, duplicatesIndexes);
+        }
+      } else {
+        objectKeyList = Object.keys(object);
+
+        for (index = 0, length = objectKeyList.length; index < length; index += 1) {
+          inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);
+        }
+      }
+    }
+  }
+}
+
+function dump(input, options) {
+  options = options || {};
+  var state = new State(options);
+  if (!state.noRefs) getDuplicateReferences(input, state);
+  if (writeNode(state, 0, input, true, true)) return state.dump + '\n';
+  return '';
+}
+
+function safeDump(input, options) {
+  return dump(input, common.extend({
+    schema: DEFAULT_SAFE_SCHEMA
+  }, options));
+}
+
+module.exports.dump = dump;
+module.exports.safeDump = safeDump;
+
+/***/ }),
+/* 880 */
+/***/ (function(module, exports) {
+
+function webpackEmptyContext(req) {
+	var e = new Error("Cannot find module '" + req + "'");
+	e.code = 'MODULE_NOT_FOUND';
+	throw e;
+}
+webpackEmptyContext.keys = function() { return []; };
+webpackEmptyContext.resolve = webpackEmptyContext;
+module.exports = webpackEmptyContext;
+webpackEmptyContext.id = 880;
+
+/***/ }),
+/* 881 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Module for loading rules from files and directories.
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = __webpack_require__(824),
+      path = __webpack_require__(377);
+
+const rulesDirCache = {}; //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Load all rule modules from specified directory.
+ * @param {string} relativeRulesDir Path to rules directory, may be relative.
+ * @param {string} cwd Current working directory
+ * @returns {Object} Loaded rule modules.
+ */
+
+module.exports = function (relativeRulesDir, cwd) {
+  const rulesDir = path.resolve(cwd, relativeRulesDir); // cache will help performance as IO operation are expensive
+
+  if (rulesDirCache[rulesDir]) {
+    return rulesDirCache[rulesDir];
+  }
+
+  const rules = Object.create(null);
+  fs.readdirSync(rulesDir).forEach(file => {
+    if (path.extname(file) !== ".js") {
+      return;
+    }
+
+    rules[file.slice(0, -3)] = __webpack_require__(880)(path.join(rulesDir, file));
+  });
+  rulesDirCache[rulesDir] = rules;
+  return rules;
+};
+
+/***/ }),
+/* 882 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview `FileEnumerator` class.
+ *
+ * `FileEnumerator` class has two responsibilities:
+ *
+ * 1. Find target files by processing glob patterns.
+ * 2. Tie each target file and appropriate configuration.
+ *
+ * It provides a method:
+ *
+ * - `iterateFiles(patterns)`
+ *     Iterate files which are matched by given patterns together with the
+ *     corresponded configuration. This is for `CLIEngine#executeOnFiles()`.
+ *     While iterating files, it loads the configuration file of each directory
+ *     before iterate files on the directory, so we can use the configuration
+ *     files to determine target files.
+ *
+ * @example
+ * const enumerator = new FileEnumerator();
+ * const linter = new Linter();
+ *
+ * for (const { config, filePath } of enumerator.iterateFiles(["*.js"])) {
+ *     const code = fs.readFileSync(filePath, "utf8");
+ *     const messages = linter.verify(code, config, filePath);
+ *
+ *     console.log(messages);
+ * }
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+const fs = __webpack_require__(824);
+
+const path = __webpack_require__(377);
+
+const getGlobParent = __webpack_require__(883);
+
+const isGlob = __webpack_require__(884);
+
+const {
+  escapeRegExp
+} = __webpack_require__(403);
+
+const {
+  Minimatch
+} = __webpack_require__(844);
+
+const {
+  IgnorePattern
+} = __webpack_require__(838);
+
+const {
+  CascadingConfigArrayFactory
+} = __webpack_require__(830);
+
+const debug = __webpack_require__(416)("eslint:file-enumerator"); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+const minimatchOpts = {
+  dot: true,
+  matchBase: true
+};
+const dotfilesPattern = /(?:(?:^\.)|(?:[/\\]\.))[^/\\.].*/u;
+const NONE = 0;
+const IGNORED_SILENTLY = 1;
+const IGNORED = 2; // For VSCode intellisense
+
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+
+/**
+ * @typedef {Object} FileEnumeratorOptions
+ * @property {CascadingConfigArrayFactory} [configArrayFactory] The factory for config arrays.
+ * @property {string} [cwd] The base directory to start lookup.
+ * @property {string[]} [extensions] The extensions to match files for directory patterns.
+ * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} [ignore] The flag to check ignored files.
+ * @property {string[]} [rulePaths] The value of `--rulesdir` option.
+ */
+
+/**
+ * @typedef {Object} FileAndConfig
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {boolean} ignored If `true` then this file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEntry
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {NONE|IGNORED_SILENTLY|IGNORED} flag The flag.
+ * - `NONE` means the file is a target file.
+ * - `IGNORED_SILENTLY` means the file should be ignored silently.
+ * - `IGNORED` means the file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEnumeratorInternalSlots
+ * @property {CascadingConfigArrayFactory} configArrayFactory The factory for config arrays.
+ * @property {string} cwd The base directory to start lookup.
+ * @property {RegExp|null} extensionRegExp The RegExp to test if a string ends with specific file extensions.
+ * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} ignoreFlag The flag to check ignored files.
+ * @property {(filePath:string, dot:boolean) => boolean} defaultIgnores The default predicate function to ignore files.
+ */
+
+/** @type {WeakMap<FileEnumerator, FileEnumeratorInternalSlots>} */
+
+const internalSlotsMap = new WeakMap();
+/**
+ * Check if a string is a glob pattern or not.
+ * @param {string} pattern A glob pattern.
+ * @returns {boolean} `true` if the string is a glob pattern.
+ */
+
+function isGlobPattern(pattern) {
+  return isGlob(path.sep === "\\" ? pattern.replace(/\\/gu, "/") : pattern);
+}
+/**
+ * Get stats of a given path.
+ * @param {string} filePath The path to target file.
+ * @returns {fs.Stats|null} The stats.
+ * @private
+ */
+
+
+function statSafeSync(filePath) {
+  try {
+    return fs.statSync(filePath);
+  } catch (error) {
+    /* istanbul ignore next */
+    if (error.code !== "ENOENT") {
+      throw error;
+    }
+
+    return null;
+  }
+}
+/**
+ * Get filenames in a given path to a directory.
+ * @param {string} directoryPath The path to target directory.
+ * @returns {import("fs").Dirent[]} The filenames.
+ * @private
+ */
+
+
+function readdirSafeSync(directoryPath) {
+  try {
+    return fs.readdirSync(directoryPath, {
+      withFileTypes: true
+    });
+  } catch (error) {
+    /* istanbul ignore next */
+    if (error.code !== "ENOENT") {
+      throw error;
+    }
+
+    return [];
+  }
+}
+/**
+ * Create a `RegExp` object to detect extensions.
+ * @param {string[] | null} extensions The extensions to create.
+ * @returns {RegExp | null} The created `RegExp` object or null.
+ */
+
+
+function createExtensionRegExp(extensions) {
+  if (extensions) {
+    const normalizedExts = extensions.map(ext => escapeRegExp(ext.startsWith(".") ? ext.slice(1) : ext));
+    return new RegExp(".\\.(?:".concat(normalizedExts.join("|"), ")$"), "u");
+  }
+
+  return null;
+}
+/**
+ * The error type when no files match a glob.
+ */
+
+
+class NoFilesFoundError extends Error {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} pattern The glob pattern which was not found.
+   * @param {boolean} globDisabled If `true` then the pattern was a glob pattern, but glob was disabled.
+   */
+  constructor(pattern, globDisabled) {
+    super("No files matching '".concat(pattern, "' were found").concat(globDisabled ? " (glob was disabled)" : "", "."));
+    this.messageTemplate = "file-not-found";
+    this.messageData = {
+      pattern,
+      globDisabled
+    };
+  }
+
+}
+/**
+ * The error type when there are files matched by a glob, but all of them have been ignored.
+ */
+
+
+class AllFilesIgnoredError extends Error {
+  // eslint-disable-next-line jsdoc/require-description
+
+  /**
+   * @param {string} pattern The glob pattern which was not found.
+   */
+  constructor(pattern) {
+    super("All files matched by '".concat(pattern, "' are ignored."));
+    this.messageTemplate = "all-files-ignored";
+    this.messageData = {
+      pattern
+    };
+  }
+
+}
+/**
+ * This class provides the functionality that enumerates every file which is
+ * matched by given glob patterns and that configuration.
+ */
+
+
+class FileEnumerator {
+  /**
+   * Initialize this enumerator.
+   * @param {FileEnumeratorOptions} options The options.
+   */
+  constructor({
+    cwd = process.cwd(),
+    configArrayFactory = new CascadingConfigArrayFactory({
+      cwd
+    }),
+    extensions = null,
+    globInputPaths = true,
+    errorOnUnmatchedPattern = true,
+    ignore = true
+  } = {}) {
+    internalSlotsMap.set(this, {
+      configArrayFactory,
+      cwd,
+      defaultIgnores: IgnorePattern.createDefaultIgnore(cwd),
+      extensionRegExp: createExtensionRegExp(extensions),
+      globInputPaths,
+      errorOnUnmatchedPattern,
+      ignoreFlag: ignore
+    });
+  }
+  /**
+   * Check if a given file is target or not.
+   * @param {string} filePath The path to a candidate file.
+   * @param {ConfigArray} [providedConfig] Optional. The configuration for the file.
+   * @returns {boolean} `true` if the file is a target.
+   */
+
+
+  isTargetPath(filePath, providedConfig) {
+    const {
+      configArrayFactory,
+      extensionRegExp
+    } = internalSlotsMap.get(this); // If `--ext` option is present, use it.
+
+    if (extensionRegExp) {
+      return extensionRegExp.test(filePath);
+    } // `.js` file is target by default.
+
+
+    if (filePath.endsWith(".js")) {
+      return true;
+    } // use `overrides[].files` to check additional targets.
+
+
+    const config = providedConfig || configArrayFactory.getConfigArrayForFile(filePath, {
+      ignoreNotFoundError: true
+    });
+    return config.isAdditionalTargetPath(filePath);
+  }
+  /**
+   * Iterate files which are matched by given glob patterns.
+   * @param {string|string[]} patternOrPatterns The glob patterns to iterate files.
+   * @returns {IterableIterator<FileAndConfig>} The found files.
+   */
+
+
+  *iterateFiles(patternOrPatterns) {
+    const {
+      globInputPaths,
+      errorOnUnmatchedPattern
+    } = internalSlotsMap.get(this);
+    const patterns = Array.isArray(patternOrPatterns) ? patternOrPatterns : [patternOrPatterns];
+    debug("Start to iterate files: %o", patterns); // The set of paths to remove duplicate.
+
+    const set = new Set();
+
+    for (const pattern of patterns) {
+      let foundRegardlessOfIgnored = false;
+      let found = false; // Skip empty string.
+
+      if (!pattern) {
+        continue;
+      } // Iterate files of this pattern.
+
+
+      for (const {
+        config,
+        filePath,
+        flag
+      } of this._iterateFiles(pattern)) {
+        foundRegardlessOfIgnored = true;
+
+        if (flag === IGNORED_SILENTLY) {
+          continue;
+        }
+
+        found = true; // Remove duplicate paths while yielding paths.
+
+        if (!set.has(filePath)) {
+          set.add(filePath);
+          yield {
+            config,
+            filePath,
+            ignored: flag === IGNORED
+          };
+        }
+      } // Raise an error if any files were not found.
+
+
+      if (errorOnUnmatchedPattern) {
+        if (!foundRegardlessOfIgnored) {
+          throw new NoFilesFoundError(pattern, !globInputPaths && isGlob(pattern));
+        }
+
+        if (!found) {
+          throw new AllFilesIgnoredError(pattern);
+        }
+      }
+    }
+
+    debug("Complete iterating files: ".concat(JSON.stringify(patterns)));
+  }
+  /**
+   * Iterate files which are matched by a given glob pattern.
+   * @param {string} pattern The glob pattern to iterate files.
+   * @returns {IterableIterator<FileEntry>} The found files.
+   */
+
+
+  _iterateFiles(pattern) {
+    const {
+      cwd,
+      globInputPaths
+    } = internalSlotsMap.get(this);
+    const absolutePath = path.resolve(cwd, pattern);
+    const isDot = dotfilesPattern.test(pattern);
+    const stat = statSafeSync(absolutePath);
+
+    if (stat && stat.isDirectory()) {
+      return this._iterateFilesWithDirectory(absolutePath, isDot);
+    }
+
+    if (stat && stat.isFile()) {
+      return this._iterateFilesWithFile(absolutePath);
+    }
+
+    if (globInputPaths && isGlobPattern(pattern)) {
+      return this._iterateFilesWithGlob(absolutePath, isDot);
+    }
+
+    return [];
+  }
+  /**
+   * Iterate a file which is matched by a given path.
+   * @param {string} filePath The path to the target file.
+   * @returns {IterableIterator<FileEntry>} The found files.
+   * @private
+   */
+
+
+  _iterateFilesWithFile(filePath) {
+    debug("File: ".concat(filePath));
+    const {
+      configArrayFactory
+    } = internalSlotsMap.get(this);
+    const config = configArrayFactory.getConfigArrayForFile(filePath);
+
+    const ignored = this._isIgnoredFile(filePath, {
+      config,
+      direct: true
+    });
+
+    const flag = ignored ? IGNORED : NONE;
+    return [{
+      config,
+      filePath,
+      flag
+    }];
+  }
+  /**
+   * Iterate files in a given path.
+   * @param {string} directoryPath The path to the target directory.
+   * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+   * @returns {IterableIterator<FileEntry>} The found files.
+   * @private
+   */
+
+
+  _iterateFilesWithDirectory(directoryPath, dotfiles) {
+    debug("Directory: ".concat(directoryPath));
+    return this._iterateFilesRecursive(directoryPath, {
+      dotfiles,
+      recursive: true,
+      selector: null
+    });
+  }
+  /**
+   * Iterate files which are matched by a given glob pattern.
+   * @param {string} pattern The glob pattern to iterate files.
+   * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+   * @returns {IterableIterator<FileEntry>} The found files.
+   * @private
+   */
+
+
+  _iterateFilesWithGlob(pattern, dotfiles) {
+    debug("Glob: ".concat(pattern));
+    const directoryPath = path.resolve(getGlobParent(pattern));
+    const globPart = pattern.slice(directoryPath.length + 1);
+    /*
+     * recursive if there are `**` or path separators in the glob part.
+     * Otherwise, patterns such as `src/*.js`, it doesn't need recursive.
+     */
+
+    const recursive = /\*\*|\/|\\/u.test(globPart);
+    const selector = new Minimatch(pattern, minimatchOpts);
+    debug("recursive? ".concat(recursive));
+    return this._iterateFilesRecursive(directoryPath, {
+      dotfiles,
+      recursive,
+      selector
+    });
+  }
+  /**
+   * Iterate files in a given path.
+   * @param {string} directoryPath The path to the target directory.
+   * @param {Object} options The options to iterate files.
+   * @param {boolean} [options.dotfiles] If `true` then it doesn't skip dot files by default.
+   * @param {boolean} [options.recursive] If `true` then it dives into sub directories.
+   * @param {InstanceType<Minimatch>} [options.selector] The matcher to choose files.
+   * @returns {IterableIterator<FileEntry>} The found files.
+   * @private
+   */
+
+
+  *_iterateFilesRecursive(directoryPath, options) {
+    debug("Enter the directory: ".concat(directoryPath));
+    const {
+      configArrayFactory
+    } = internalSlotsMap.get(this);
+    /** @type {ConfigArray|null} */
+
+    let config = null; // Enumerate the files of this directory.
+
+    for (const entry of readdirSafeSync(directoryPath)) {
+      const filePath = path.join(directoryPath, entry.name); // Check if the file is matched.
+
+      if (entry.isFile()) {
+        if (!config) {
+          config = configArrayFactory.getConfigArrayForFile(filePath,
+          /*
+           * We must ignore `ConfigurationNotFoundError` at this
+           * point because we don't know if target files exist in
+           * this directory.
+           */
+          {
+            ignoreNotFoundError: true
+          });
+        }
+
+        const matched = options.selector // Started with a glob pattern; choose by the pattern.
+        ? options.selector.match(filePath) // Started with a directory path; choose by file extensions.
+        : this.isTargetPath(filePath, config);
+
+        if (matched) {
+          const ignored = this._isIgnoredFile(filePath, _objectSpread({}, options, {
+            config
+          }));
+
+          const flag = ignored ? IGNORED_SILENTLY : NONE;
+          debug("Yield: ".concat(entry.name).concat(ignored ? " but ignored" : ""));
+          yield {
+            config: configArrayFactory.getConfigArrayForFile(filePath),
+            filePath,
+            flag
+          };
+        } else {
+          debug("Didn't match: ".concat(entry.name));
+        } // Dive into the sub directory.
+
+      } else if (options.recursive && entry.isDirectory()) {
+        if (!config) {
+          config = configArrayFactory.getConfigArrayForFile(filePath, {
+            ignoreNotFoundError: true
+          });
+        }
+
+        const ignored = this._isIgnoredFile(filePath + path.sep, _objectSpread({}, options, {
+          config
+        }));
+
+        if (!ignored) {
+          yield* this._iterateFilesRecursive(filePath, options);
+        }
+      }
+    }
+
+    debug("Leave the directory: ".concat(directoryPath));
+  }
+  /**
+   * Check if a given file should be ignored.
+   * @param {string} filePath The path to a file to check.
+   * @param {Object} options Options
+   * @param {ConfigArray} [options.config] The config for this file.
+   * @param {boolean} [options.dotfiles] If `true` then this is not ignore dot files by default.
+   * @param {boolean} [options.direct] If `true` then this is a direct specified file.
+   * @returns {boolean} `true` if the file should be ignored.
+   * @private
+   */
+
+
+  _isIgnoredFile(filePath, {
+    config: providedConfig,
+    dotfiles = false,
+    direct = false
+  }) {
+    const {
+      configArrayFactory,
+      defaultIgnores,
+      ignoreFlag
+    } = internalSlotsMap.get(this);
+
+    if (ignoreFlag) {
+      const config = providedConfig || configArrayFactory.getConfigArrayForFile(filePath, {
+        ignoreNotFoundError: true
+      });
+      const ignores = config.extractConfig(filePath).ignores || defaultIgnores;
+      return ignores(filePath, dotfiles);
+    }
+
+    return !direct && defaultIgnores(filePath, dotfiles);
+  }
+
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = {
+  FileEnumerator
+};
+
+/***/ }),
+/* 883 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var isGlob = __webpack_require__(884);
+
+var pathPosixDirname = __webpack_require__(377).posix.dirname;
+
+var isWin32 = __webpack_require__(423).platform() === 'win32';
+var slash = '/';
+var backslash = /\\/g;
+var enclosure = /[\{\[].*[\/]*.*[\}\]]$/;
+var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/;
+var escaped = /\\([\!\*\?\|\[\]\(\)\{\}])/g;
+/**
+ * @param {string} str
+ * @param {Object} opts
+ * @param {boolean} [opts.flipBackslashes=true]
+ */
+
+module.exports = function globParent(str, opts) {
+  var options = Object.assign({
+    flipBackslashes: true
+  }, opts); // flip windows path separators
+
+  if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) {
+    str = str.replace(backslash, slash);
+  } // special case for strings ending in enclosure containing path separator
+
+
+  if (enclosure.test(str)) {
+    str += slash;
+  } // preserves full path in case of trailing path separator
+
+
+  str += 'a'; // remove path parts that are globby
+
+  do {
+    str = pathPosixDirname(str);
+  } while (isGlob(str) || globby.test(str)); // remove escape chars and return result
+
+
+  return str.replace(escaped, '$1');
+};
+
+/***/ }),
+/* 884 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*!
+ * is-glob <https://github.com/jonschlinkert/is-glob>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+var isExtglob = __webpack_require__(885);
+
+var chars = {
+  '{': '}',
+  '(': ')',
+  '[': ']'
+};
+var strictRegex = /\\(.)|(^!|\*|[\].+)]\?|\[[^\\\]]+\]|\{[^\\}]+\}|\(\?[:!=][^\\)]+\)|\([^|]+\|[^\\)]+\))/;
+var relaxedRegex = /\\(.)|(^!|[*?{}()[\]]|\(\?)/;
+
+module.exports = function isGlob(str, options) {
+  if (typeof str !== 'string' || str === '') {
+    return false;
+  }
+
+  if (isExtglob(str)) {
+    return true;
+  }
+
+  var regex = strictRegex;
+  var match; // optionally relax regex
+
+  if (options && options.strict === false) {
+    regex = relaxedRegex;
+  }
+
+  while (match = regex.exec(str)) {
+    if (match[2]) return true;
+    var idx = match.index + match[0].length; // if an open bracket/brace/paren is escaped,
+    // set the index to the next closing character
+
+    var open = match[1];
+    var close = open ? chars[open] : null;
+
+    if (open && close) {
+      var n = str.indexOf(close, idx);
+
+      if (n !== -1) {
+        idx = n + 1;
+      }
+    }
+
+    str = str.slice(idx);
+  }
+
+  return false;
+};
+
+/***/ }),
+/* 885 */
+/***/ (function(module, exports) {
+
+/*!
+ * is-extglob <https://github.com/jonschlinkert/is-extglob>
+ *
+ * Copyright (c) 2014-2016, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+module.exports = function isExtglob(str) {
+  if (typeof str !== 'string' || str === '') {
+    return false;
+  }
+
+  var match;
+
+  while (match = /(\\).|([@?!+*]\(.*\))/g.exec(str)) {
+    if (match[2]) return true;
+    str = str.slice(match.index + match[0].length);
+  }
+
+  return false;
+};
+
+/***/ }),
+/* 886 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Defining the hashing function in one place.
+ * @author Michael Ficarra
+ */
+ //------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const murmur = __webpack_require__(887); //------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * hash the given string
+ * @param  {string} str the string to hash
+ * @returns {string}    the hash
+ */
+
+
+function hash(str) {
+  return murmur(str).result().toString(36);
+} //------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+module.exports = hash;
+
+/***/ }),
+/* 887 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * @preserve
+ * JS Implementation of incremental MurmurHash3 (r150) (as of May 10, 2013)
+ *
+ * @author <a href="mailto:jensyt@gmail.com">Jens Taylor</a>
+ * @see http://github.com/homebrewing/brauhaus-diff
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ */
+(function () {
+  var cache; // Call this function without `new` to use the cached object (good for
+  // single-threaded environments), or with `new` to create a new object.
+  //
+  // @param {string} key A UTF-16 or ASCII string
+  // @param {number} seed An optional positive integer
+  // @return {object} A MurmurHash3 object for incremental hashing
+
+  function MurmurHash3(key, seed) {
+    var m = this instanceof MurmurHash3 ? this : cache;
+    m.reset(seed);
+
+    if (typeof key === 'string' && key.length > 0) {
+      m.hash(key);
+    }
+
+    if (m !== this) {
+      return m;
+    }
+  }
+
+  ; // Incrementally add a string to this hash
+  //
+  // @param {string} key A UTF-16 or ASCII string
+  // @return {object} this
+
+  MurmurHash3.prototype.hash = function (key) {
+    var h1, k1, i, top, len;
+    len = key.length;
+    this.len += len;
+    k1 = this.k1;
+    i = 0;
+
+    switch (this.rem) {
+      case 0:
+        k1 ^= len > i ? key.charCodeAt(i++) & 0xffff : 0;
+
+      case 1:
+        k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 8 : 0;
+
+      case 2:
+        k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 16 : 0;
+
+      case 3:
+        k1 ^= len > i ? (key.charCodeAt(i) & 0xff) << 24 : 0;
+        k1 ^= len > i ? (key.charCodeAt(i++) & 0xff00) >> 8 : 0;
+    }
+
+    this.rem = len + this.rem & 3; // & 3 is same as % 4
+
+    len -= this.rem;
+
+    if (len > 0) {
+      h1 = this.h1;
+
+      while (1) {
+        k1 = k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000 & 0xffffffff;
+        k1 = k1 << 15 | k1 >>> 17;
+        k1 = k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000 & 0xffffffff;
+        h1 ^= k1;
+        h1 = h1 << 13 | h1 >>> 19;
+        h1 = h1 * 5 + 0xe6546b64 & 0xffffffff;
+
+        if (i >= len) {
+          break;
+        }
+
+        k1 = key.charCodeAt(i++) & 0xffff ^ (key.charCodeAt(i++) & 0xffff) << 8 ^ (key.charCodeAt(i++) & 0xffff) << 16;
+        top = key.charCodeAt(i++);
+        k1 ^= (top & 0xff) << 24 ^ (top & 0xff00) >> 8;
+      }
+
+      k1 = 0;
+
+      switch (this.rem) {
+        case 3:
+          k1 ^= (key.charCodeAt(i + 2) & 0xffff) << 16;
+
+        case 2:
+          k1 ^= (key.charCodeAt(i + 1) & 0xffff) << 8;
+
+        case 1:
+          k1 ^= key.charCodeAt(i) & 0xffff;
+      }
+
+      this.h1 = h1;
+    }
+
+    this.k1 = k1;
+    return this;
+  }; // Get the result of this hash
+  //
+  // @return {number} The 32-bit hash
+
+
+  MurmurHash3.prototype.result = function () {
+    var k1, h1;
+    k1 = this.k1;
+    h1 = this.h1;
+
+    if (k1 > 0) {
+      k1 = k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000 & 0xffffffff;
+      k1 = k1 << 15 | k1 >>> 17;
+      k1 = k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000 & 0xffffffff;
+      h1 ^= k1;
+    }
+
+    h1 ^= this.len;
+    h1 ^= h1 >>> 16;
+    h1 = h1 * 0xca6b + (h1 & 0xffff) * 0x85eb0000 & 0xffffffff;
+    h1 ^= h1 >>> 13;
+    h1 = h1 * 0xae35 + (h1 & 0xffff) * 0xc2b20000 & 0xffffffff;
+    h1 ^= h1 >>> 16;
+    return h1 >>> 0;
+  }; // Reset the hash object for reuse
+  //
+  // @param {number} seed An optional positive integer
+
+
+  MurmurHash3.prototype.reset = function (seed) {
+    this.h1 = typeof seed === 'number' ? seed : 0;
+    this.rem = this.k1 = this.len = 0;
+    return this;
+  }; // A cached object to use. This can be safely used if you're in a single-
+  // threaded environment, otherwise you need to create new hashes to use.
+
+
+  cache = new MurmurHash3();
+
+  if (true) {
+    module.exports = MurmurHash3;
+  } else {}
+})();
+
+/***/ }),
+/* 888 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/**
+ * @fileoverview Utility for caching lint results.
+ * @author Kevin Partington
+ */
+ //-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const assert = __webpack_require__(379);
+
+const fs = __webpack_require__(824);
+
+const fileEntryCache = __webpack_require__(889);
+
+const stringify = __webpack_require__(910);
+
+const pkg = __webpack_require__(408);
+
+const hash = __webpack_require__(886); //-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+
+const configHashCache = new WeakMap();
+const nodeVersion = process && process.version;
+/**
+ * Calculates the hash of the config
+ * @param {ConfigArray} config The config.
+ * @returns {string} The hash of the config
+ */
+
+function hashOfConfigFor(config) {
+  if (!configHashCache.has(config)) {
+    configHashCache.set(config, hash("".concat(pkg.version, "_").concat(nodeVersion, "_").concat(stringify(config))));
+  }
+
+  return configHashCache.get(config);
+} //-----------------------------------------------------------------------------
+// Public Interface
+//-----------------------------------------------------------------------------
+
+/**
+ * Lint result cache. This wraps around the file-entry-cache module,
+ * transparently removing properties that are difficult or expensive to
+ * serialize and adding them back in on retrieval.
+ */
+
+
+class LintResultCache {
+  /**
+   * Creates a new LintResultCache instance.
+   * @param {string} cacheFileLocation The cache file location.
+   *   configuration lookup by file path).
+   */
+  constructor(cacheFileLocation) {
+    assert(cacheFileLocation, "Cache file location is required");
+    this.fileEntryCache = fileEntryCache.create(cacheFileLocation);
+  }
+  /**
+   * Retrieve cached lint results for a given file path, if present in the
+   * cache. If the file is present and has not been changed, rebuild any
+   * missing result information.
+   * @param {string} filePath The file for which to retrieve lint results.
+   * @param {ConfigArray} config The config of the file.
+   * @returns {Object|null} The rebuilt lint results, or null if the file is
+   *   changed or not in the filesystem.
+   */
+
+
+  getCachedLintResults(filePath, config) {
+    /*
+     * Cached lint results are valid if and only if:
+     * 1. The file is present in the filesystem
+     * 2. The file has not changed since the time it was previously linted
+     * 3. The ESLint configuration has not changed since the time the file
+     *    was previously linted
+     * If any of these are not true, we will not reuse the lint results.
+     */
+    const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+    const hashOfConfig = hashOfConfigFor(config);
+    const changed = fileDescriptor.changed || fileDescriptor.meta.hashOfConfig !== hashOfConfig;
+
+    if (fileDescriptor.notFound || changed) {
+      return null;
+    } // If source is present but null, need to reread the file from the filesystem.
+
+
+    if (fileDescriptor.meta.results && fileDescriptor.meta.results.source === null) {
+      fileDescriptor.meta.results.source = fs.readFileSync(filePath, "utf-8");
+    }
+
+    return fileDescriptor.meta.results;
+  }
+  /**
+   * Set the cached lint results for a given file path, after removing any
+   * information that will be both unnecessary and difficult to serialize.
+   * Avoids caching results with an "output" property (meaning fixes were
+   * applied), to prevent potentially incorrect results if fixes are not
+   * written to disk.
+   * @param {string} filePath The file for which to set lint results.
+   * @param {ConfigArray} config The config of the file.
+   * @param {Object} result The lint result to be set for the file.
+   * @returns {void}
+   */
+
+
+  setCachedLintResults(filePath, config, result) {
+    if (result && Object.prototype.hasOwnProperty.call(result, "output")) {
+      return;
+    }
+
+    const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+
+    if (fileDescriptor && !fileDescriptor.notFound) {
+      // Serialize the result, except that we want to remove the file source if present.
+      const resultToSerialize = Object.assign({}, result);
+      /*
+       * Set result.source to null.
+       * In `getCachedLintResults`, if source is explicitly null, we will
+       * read the file from the filesystem to set the value again.
+       */
+
+      if (Object.prototype.hasOwnProperty.call(resultToSerialize, "source")) {
+        resultToSerialize.source = null;
+      }
+
+      fileDescriptor.meta.results = resultToSerialize;
+      fileDescriptor.meta.hashOfConfig = hashOfConfigFor(config);
+    }
+  }
+  /**
+   * Persists the in-memory cache to disk.
+   * @returns {void}
+   */
+
+
+  reconcile() {
+    this.fileEntryCache.reconcile();
+  }
+
+}
+
+module.exports = LintResultCache;
+
+/***/ }),
+/* 889 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var path = __webpack_require__(377);
+
+var crypto = __webpack_require__(890);
+
+module.exports = {
+  createFromFile: function createFromFile(filePath, useChecksum) {
+    var fname = path.basename(filePath);
+    var dir = path.dirname(filePath);
+    return this.create(fname, dir, useChecksum);
+  },
+  create: function create(cacheId, _path, useChecksum) {
+    var fs = __webpack_require__(824);
+
+    var flatCache = __webpack_require__(891);
+
+    var cache = flatCache.load(cacheId, _path);
+    var normalizedEntries = {};
+
+    var removeNotFoundFiles = function removeNotFoundFiles() {
+      const cachedEntries = cache.keys(); // remove not found entries
+
+      cachedEntries.forEach(function remover(fPath) {
+        try {
+          fs.statSync(fPath);
+        } catch (err) {
+          if (err.code === 'ENOENT') {
+            cache.removeKey(fPath);
+          }
+        }
+      });
+    };
+
+    removeNotFoundFiles();
+    return {
+      /**
+       * the flat cache storage used to persist the metadata of the `files
+       * @type {Object}
+       */
+      cache: cache,
+
+      /**
+       * Given a buffer, calculate md5 hash of its content.
+       * @method getHash
+       * @param  {Buffer} buffer   buffer to calculate hash on
+       * @return {String}          content hash digest
+       */
+      getHash: function getHash(buffer) {
+        return crypto.createHash('md5').update(buffer).digest('hex');
+      },
+
+      /**
+       * Return whether or not a file has changed since last time reconcile was called.
+       * @method hasFileChanged
+       * @param  {String}  file  the filepath to check
+       * @return {Boolean}       wheter or not the file has changed
+       */
+      hasFileChanged: function hasFileChanged(file) {
+        return this.getFileDescriptor(file).changed;
+      },
+
+      /**
+       * given an array of file paths it return and object with three arrays:
+       *  - changedFiles: Files that changed since previous run
+       *  - notChangedFiles: Files that haven't change
+       *  - notFoundFiles: Files that were not found, probably deleted
+       *
+       * @param  {Array} files the files to analyze and compare to the previous seen files
+       * @return {[type]}       [description]
+       */
+      analyzeFiles: function analyzeFiles(files) {
+        var me = this;
+        files = files || [];
+        var res = {
+          changedFiles: [],
+          notFoundFiles: [],
+          notChangedFiles: []
+        };
+        me.normalizeEntries(files).forEach(function (entry) {
+          if (entry.changed) {
+            res.changedFiles.push(entry.key);
+            return;
+          }
+
+          if (entry.notFound) {
+            res.notFoundFiles.push(entry.key);
+            return;
+          }
+
+          res.notChangedFiles.push(entry.key);
+        });
+        return res;
+      },
+      getFileDescriptor: function getFileDescriptor(file) {
+        var fstat;
+
+        try {
+          fstat = fs.statSync(file);
+        } catch (ex) {
+          this.removeEntry(file);
+          return {
+            key: file,
+            notFound: true,
+            err: ex
+          };
+        }
+
+        if (useChecksum) {
+          return this._getFileDescriptorUsingChecksum(file);
+        }
+
+        return this._getFileDescriptorUsingMtimeAndSize(file, fstat);
+      },
+      _getFileDescriptorUsingMtimeAndSize: function _getFileDescriptorUsingMtimeAndSize(file, fstat) {
+        var meta = cache.getKey(file);
+        var cacheExists = !!meta;
+        var cSize = fstat.size;
+        var cTime = fstat.mtime.getTime();
+        var isDifferentDate;
+        var isDifferentSize;
+
+        if (!meta) {
+          meta = {
+            size: cSize,
+            mtime: cTime
+          };
+        } else {
+          isDifferentDate = cTime !== meta.mtime;
+          isDifferentSize = cSize !== meta.size;
+        }
+
+        var nEntry = normalizedEntries[file] = {
+          key: file,
+          changed: !cacheExists || isDifferentDate || isDifferentSize,
+          meta: meta
+        };
+        return nEntry;
+      },
+      _getFileDescriptorUsingChecksum: function _getFileDescriptorUsingChecksum(file) {
+        var meta = cache.getKey(file);
+        var cacheExists = !!meta;
+        var contentBuffer;
+
+        try {
+          contentBuffer = fs.readFileSync(file);
+        } catch (ex) {
+          contentBuffer = '';
+        }
+
+        var isDifferent = true;
+        var hash = this.getHash(contentBuffer);
+
+        if (!meta) {
+          meta = {
+            hash: hash
+          };
+        } else {
+          isDifferent = hash !== meta.hash;
+        }
+
+        var nEntry = normalizedEntries[file] = {
+          key: file,
+          changed: !cacheExists || isDifferent,
+          meta: meta
+        };
+        return nEntry;
+      },
+
+      /**
+       * Return the list o the files that changed compared
+       * against the ones stored in the cache
+       *
+       * @method getUpdated
+       * @param files {Array} the array of files to compare against the ones in the cache
+       * @returns {Array}
+       */
+      getUpdatedFiles: function getUpdatedFiles(files) {
+        var me = this;
+        files = files || [];
+        return me.normalizeEntries(files).filter(function (entry) {
+          return entry.changed;
+        }).map(function (entry) {
+          return entry.key;
+        });
+      },
+
+      /**
+       * return the list of files
+       * @method normalizeEntries
+       * @param files
+       * @returns {*}
+       */
+      normalizeEntries: function normalizeEntries(files) {
+        files = files || [];
+        var me = this;
+        var nEntries = files.map(function (file) {
+          return me.getFileDescriptor(file);
+        }); //normalizeEntries = nEntries;
+
+        return nEntries;
+      },
+
+      /**
+       * Remove an entry from the file-entry-cache. Useful to force the file to still be considered
+       * modified the next time the process is run
+       *
+       * @method removeEntry
+       * @param entryName
+       */
+      removeEntry: function removeEntry(entryName) {
+        delete normalizedEntries[entryName];
+        cache.removeKey(entryName);
+      },
+
+      /**
+       * Delete the cache file from the disk
+       * @method deleteCacheFile
+       */
+      deleteCacheFile: function deleteCacheFile() {
+        cache.removeCacheFile();
+      },
+
+      /**
+       * remove the cache from the file and clear the memory cache
+       */
+      destroy: function destroy() {
+        normalizedEntries = {};
+        cache.destroy();
+      },
+      _getMetaForFileUsingCheckSum: function _getMetaForFileUsingCheckSum(cacheEntry) {
+        var contentBuffer = fs.readFileSync(cacheEntry.key);
+        var hash = this.getHash(contentBuffer);
+        var meta = Object.assign(cacheEntry.meta, {
+          hash: hash
+        });
+        return meta;
+      },
+      _getMetaForFileUsingMtimeAndSize: function _getMetaForFileUsingMtimeAndSize(cacheEntry) {
+        var stat = fs.statSync(cacheEntry.key);
+        var meta = Object.assign(cacheEntry.meta, {
+          size: stat.size,
+          mtime: stat.mtime.getTime()
+        });
+        return meta;
+      },
+
+      /**
+       * Sync the files and persist them to the cache
+       * @method reconcile
+       */
+      reconcile: function reconcile(noPrune) {
+        removeNotFoundFiles();
+        noPrune = typeof noPrune === 'undefined' ? true : noPrune;
+        var entries = normalizedEntries;
+        var keys = Object.keys(entries);
+
+        if (keys.length === 0) {
+          return;
+        }
+
+        var me = this;
+        keys.forEach(function (entryName) {
+          var cacheEntry = entries[entryName];
+
+          try {
+            var meta = useChecksum ? me._getMetaForFileUsingCheckSum(cacheEntry) : me._getMetaForFileUsingMtimeAndSize(cacheEntry);
+            cache.setKey(entryName, meta);
+          } catch (err) {
+            // if the file does not exists we don't save it
+            // other errors are just thrown
+            if (err.code !== 'ENOENT') {
+              throw err;
+            }
+          }
+        });
+        cache.save(noPrune);
+      }
+    };
+  }
+};
+
+/***/ }),
+/* 890 */
+/***/ (function(module, exports) {
+
+module.exports = require("crypto");
+
+/***/ }),
+/* 891 */
+/***/ (function(module, exports, __webpack_require__) {
+
+/* WEBPACK VAR INJECTION */(function(__dirname) {var path = __webpack_require__(377);
+
+var fs = __webpack_require__(824);
+
+var utils = __webpack_require__(892);
+
+var del = __webpack_require__(896);
+
+var writeJSON = utils.writeJSON;
+var cache = {
+  /**
+   * Load a cache identified by the given Id. If the element does not exists, then initialize an empty
+   * cache storage. If specified `cacheDir` will be used as the directory to persist the data to. If omitted
+   * then the cache module directory `./cache` will be used instead
+   *
+   * @method load
+   * @param docId {String} the id of the cache, would also be used as the name of the file cache
+   * @param [cacheDir] {String} directory for the cache entry
+   */
+  load: function load(docId, cacheDir) {
+    var me = this;
+    me._visited = {};
+    me._persisted = {};
+    me._pathToFile = cacheDir ? path.resolve(cacheDir, docId) : path.resolve(__dirname, './.cache/', docId);
+
+    if (fs.existsSync(me._pathToFile)) {
+      me._persisted = utils.tryParse(me._pathToFile, {});
+    }
+  },
+
+  /**
+   * Load the cache from the provided file
+   * @method loadFile
+   * @param  {String} pathToFile the path to the file containing the info for the cache
+   */
+  loadFile: function loadFile(pathToFile) {
+    var me = this;
+    var dir = path.dirname(pathToFile);
+    var fName = path.basename(pathToFile);
+    me.load(fName, dir);
+  },
+
+  /**
+   * Returns the entire persisted object
+   * @method all
+   * @returns {*}
+   */
+  all: function all() {
+    return this._persisted;
+  },
+  keys: function keys() {
+    return Object.keys(this._persisted);
+  },
+
+  /**
+   * sets a key to a given value
+   * @method setKey
+   * @param key {string} the key to set
+   * @param value {object} the value of the key. Could be any object that can be serialized with JSON.stringify
+   */
+  setKey: function setKey(key, value) {
+    this._visited[key] = true;
+    this._persisted[key] = value;
+  },
+
+  /**
+   * remove a given key from the cache
+   * @method removeKey
+   * @param key {String} the key to remove from the object
+   */
+  removeKey: function removeKey(key) {
+    delete this._visited[key]; // esfmt-ignore-line
+
+    delete this._persisted[key]; // esfmt-ignore-line
+  },
+
+  /**
+   * Return the value of the provided key
+   * @method getKey
+   * @param key {String} the name of the key to retrieve
+   * @returns {*} the value from the key
+   */
+  getKey: function getKey(key) {
+    this._visited[key] = true;
+    return this._persisted[key];
+  },
+
+  /**
+   * Remove keys that were not accessed/set since the
+   * last time the `prune` method was called.
+   * @method _prune
+   * @private
+   */
+  _prune: function _prune() {
+    var me = this;
+    var obj = {};
+    var keys = Object.keys(me._visited); // no keys visited for either get or set value
+
+    if (keys.length === 0) {
+      return;
+    }
+
+    keys.forEach(function (key) {
+      obj[key] = me._persisted[key];
+    });
+    me._visited = {};
+    me._persisted = obj;
+  },
+
+  /**
+   * Save the state of the cache identified by the docId to disk
+   * as a JSON structure
+   * @param [noPrune=false] {Boolean} whether to remove from cache the non visited files
+   * @method save
+   */
+  save: function save(noPrune) {
+    var me = this;
+    !noPrune && me._prune();
+    writeJSON(me._pathToFile, me._persisted);
+  },
+
+  /**
+   * remove the file where the cache is persisted
+   * @method removeCacheFile
+   * @return {Boolean} true or false if the file was successfully deleted
+   */
+  removeCacheFile: function removeCacheFile() {
+    return del(this._pathToFile);
+  },
+
+  /**
+   * Destroy the file cache and cache content.
+   * @method destroy
+   */
+  destroy: function destroy() {
+    var me = this;
+    me._visited = {};
+    me._persisted = {};
+    me.removeCacheFile();
+  }
+};
+module.exports = {
+  /**
+   * Alias for create. Should be considered depreacted. Will be removed in next releases
+   *
+   * @method load
+   * @param docId {String} the id of the cache, would also be used as the name of the file cache
+   * @param [cacheDir] {String} directory for the cache entry
+   * @returns {cache} cache instance
+   */
+  load: function load(docId, cacheDir) {
+    return this.create(docId, cacheDir);
+  },
+
+  /**
+  * Load a cache identified by the given Id. If the element does not exists, then initialize an empty
+  * cache storage.
+  *
+  * @method create
+  * @param docId {String} the id of the cache, would also be used as the name of the file cache
+  * @param [cacheDir] {String} directory for the cache entry
+  * @returns {cache} cache instance
+  */
+  create: function create(docId, cacheDir) {
+    var obj = Object.create(cache);
+    obj.load(docId, cacheDir);
+    return obj;
+  },
+  createFromFile: function createFromFile(filePath) {
+    var obj = Object.create(cache);
+    obj.loadFile(filePath);
+    return obj;
+  },
+
+  /**
+   * Clear the cache identified by the given id. Caches stored in a different cache directory can be deleted directly
+   *
+   * @method clearCache
+   * @param docId {String} the id of the cache, would also be used as the name of the file cache
+   * @param cacheDir {String} the directory where the cache file was written
+   * @returns {Boolean} true if the cache folder was deleted. False otherwise
+   */
+  clearCacheById: function clearCacheById(docId, cacheDir) {
+    var filePath = cacheDir ? path.resolve(cacheDir, docId) : path.resolve(__dirname, './.cache/', docId);
+    return del(filePath);
+  },
+
+  /**
+   * Remove all cache stored in the cache directory
+   * @method clearAll
+   * @returns {Boolean} true if the cache folder was deleted. False otherwise
+   */
+  clearAll: function clearAll(cacheDir) {
+    var filePath = cacheDir ? path.resolve(cacheDir) : path.resolve(__dirname, './.cache/');
+    return del(filePath);
+  }
+};
+/* WEBPACK VAR INJECTION */}.call(this, "/"))
+
+/***/ }),
+/* 892 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var fs = __webpack_require__(824);
+
+var write = __webpack_require__(893);
+
+var flatted = __webpack_require__(895);
+
+module.exports = {
+  tryParse: function tryParse(filePath, defaultValue) {
+    var result;
+
+    try {
+      result = this.readJSON(filePath);
+    } catch (ex) {
+      result = defaultValue;
+    }
+
+    return result;
+  },
+
+  /**
+   * Read json file synchronously using flatted
+   *
+   * @method readJSON
+   * @param  {String} filePath Json filepath
+   * @returns {*} parse result
+   */
+  readJSON: function readJSON(filePath) {
+    return flatted.parse(fs.readFileSync(filePath, {
+      encoding: 'utf8'
+    }));
+  },
+
+  /**
+   * Write json file synchronously using circular-json
+   *
+   * @method writeJSON
+   * @param  {String} filePath Json filepath
+   * @param  {*} data Object to serialize
+   */
+  writeJSON: function writeJSON(filePath, data) {
+    write.sync(filePath, flatted.stringify(data));
+  }
+};
+
+/***/ }),
+/* 893 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+/*!
+ * write <https://github.com/jonschlinkert/write>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+
+var fs = __webpack_require__(824);
+
+var path = __webpack_require__(377);
+
+var mkdirp = __webpack_require__(894);
+/**
+ * Asynchronously writes data to a file, replacing the file if it already
+ * exists and creating any intermediate directories if they don't already
+ * exist. Data can be a string or a buffer. Returns a promise if a callback
+ * function is not passed.
+ *
+ * ```js
+ * var writeFile = require('write');
+ * writeFile('foo.txt', 'This is content...', function(err) {
+ *   if (err) console.log(err);
+ * });
+ *
+ * // promise
+ * writeFile('foo.txt', 'This is content...')
+ *   .then(function() {
+ *     // do stuff
+ *   });
+ * ```
+ * @name writeFile
+ * @param {string|Buffer|integer} `filepath` filepath or file descriptor.
+ * @param {string|Buffer|Uint8Array} `data` String to write to disk.
+ * @param {object} `options` Options to pass to [fs.writeFile][fs]{#fs_fs_writefile_file_data_options_callback} and/or [mkdirp][]
+ * @param {Function} `callback` (optional) If no callback is provided, a promise is returned.
+ * @api public
+ */
+
+
+function writeFile(filepath, data, options, cb) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = {};
+  }
+
+  if (typeof cb !== 'function') {
+    return writeFile.promise.apply(null, arguments);
+  }
+
+  if (typeof filepath !== 'string') {
+    cb(new TypeError('expected filepath to be a string'));
+    return;
+  }
+
+  mkdirp(path.dirname(filepath), options, function (err) {
+    if (err) {
+      cb(err);
+      return;
+    }
+
+    fs.writeFile(filepath, data, options, cb);
+  });
+}
+
+;
+/**
+ * The promise version of [writeFile](#writefile). Returns a promise.
+ *
+ * ```js
+ * var writeFile = require('write');
+ * writeFile.promise('foo.txt', 'This is content...')
+ *   .then(function() {
+ *     // do stuff
+ *   });
+ * ```
+ * @name .promise
+ * @param {string|Buffer|integer} `filepath` filepath or file descriptor.
+ * @param {string|Buffer|Uint8Array} `val` String or buffer to write to disk.
+ * @param {object} `options` Options to pass to [fs.writeFile][fs]{#fs_fs_writefile_file_data_options_callback} and/or [mkdirp][]
+ * @return {Promise}
+ * @api public
+ */
+
+writeFile.promise = function (filepath, val, options) {
+  if (typeof filepath !== 'string') {
+    return Promise.reject(new TypeError('expected filepath to be a string'));
+  }
+
+  return new Promise(function (resolve, reject) {
+    mkdirp(path.dirname(filepath), options, function (err) {
+      if (err) {
+        reject(err);
+        return;
+      }
+
+      fs.writeFile(filepath, val, options, function (err) {
+        if (err) {
+          reject(err);
+          return;
+        }
+
+        resolve(val);
+      });
+    });
+  });
+};
+/**
+ * The synchronous version of [writeFile](#writefile). Returns undefined.
+ *
+ * ```js
+ * var writeFile = require('write');
+ * writeFile.sync('foo.txt', 'This is content...');
+ * ```
+ * @name .sync
+ * @param {string|Buffer|integer} `filepath` filepath or file descriptor.
+ * @param {string|Buffer|Uint8Array} `data` String or buffer to write to disk.
+ * @param {object} `options` Options to pass to [fs.writeFileSync][fs]{#fs_fs_writefilesync_file_data_options} and/or [mkdirp][]
+ * @return {undefined}
+ * @api public
+ */
+
+
+writeFile.sync = function (filepath, data, options) {
+  if (typeof filepath !== 'string') {
+    throw new TypeError('expected filepath to be a string');
+  }
+
+  mkdirp.sync(path.dirname(filepath), options);
+  fs.writeFileSync(filepath, data, options);
+};
+/**
+ * Uses `fs.createWriteStream` to write data to a file, replacing the
+ * file if it already exists and creating any intermediate directories
+ * if they don't already exist. Data can be a string or a buffer. Returns
+ * a new [WriteStream](https://nodejs.org/api/fs.html#fs_class_fs_writestream)
+ * object.
+ *
+ * ```js
+ * var fs = require('fs');
+ * var writeFile = require('write');
+ * fs.createReadStream('README.md')
+ *   .pipe(writeFile.stream('a/b/c/other-file.md'))
+ *   .on('close', function() {
+ *     // do stuff
+ *   });
+ * ```
+ * @name .stream
+ * @param {string|Buffer|integer} `filepath` filepath or file descriptor.
+ * @param {object} `options` Options to pass to [mkdirp][] and [fs.createWriteStream][fs]{#fs_fs_createwritestream_path_options}
+ * @return {Stream} Returns a new [WriteStream](https://nodejs.org/api/fs.html#fs_class_fs_writestream) object. (See [Writable Stream](https://nodejs.org/api/stream.html#stream_class_stream_writable)).
+ * @api public
+ */
+
+
+writeFile.stream = function (filepath, options) {
+  mkdirp.sync(path.dirname(filepath), options);
+  return fs.createWriteStream(filepath, options);
+};
+/**
+ * Expose `writeFile`
+ */
+
+
+module.exports = writeFile;
+
+/***/ }),
+/* 894 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var path = __webpack_require__(377);
+
+var fs = __webpack_require__(824);
+
+var _0777 = parseInt('0777', 8);
+
+module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;
+
+function mkdirP(p, opts, f, made) {
+  if (typeof opts === 'function') {
+    f = opts;
+    opts = {};
+  } else if (!opts || typeof opts !== 'object') {
+    opts = {
+      mode: opts
+    };
+  }
+
+  var mode = opts.mode;
+  var xfs = opts.fs || fs;
+
+  if (mode === undefined) {
+    mode = _0777 & ~process.umask();
+  }
+
+  if (!made) made = null;
+
+  var cb = f || function () {};
+
+  p = path.resolve(p);
+  xfs.mkdir(p, mode, function (er) {
+    if (!er) {
+      made = made || p;
+      return cb(null, made);
+    }
+
+    switch (er.code) {
+      case 'ENOENT':
+        if (path.dirname(p) === p) return cb(er);
+        mkdirP(path.dirname(p), opts, function (er, made) {
+          if (er) cb(er, made);else mkdirP(p, opts, cb, made);
+        });
+        break;
+      // In the case of any other error, just see if there's a dir
+      // there already.  If so, then hooray!  If not, then something
+      // is borked.
+
+      default:
+        xfs.stat(p, function (er2, stat) {
+          // if the stat fails, then that's super weird.
+          // let the original error be the failure reason.
+          if (er2 || !stat.isDirectory()) cb(er, made);else cb(null, made);
+        });
+        break;
+    }
+  });
+}
+
+mkdirP.sync = function sync(p, opts, made) {
+  if (!opts || typeof opts !== 'object') {
+    opts = {
+      mode: opts
+    };
+  }
+
+  var mode = opts.mode;
+  var xfs = opts.fs || fs;
+
+  if (mode === undefined) {
+    mode = _0777 & ~process.umask();
+  }
+
+  if (!made) made = null;
+  p = path.resolve(p);
+
+  try {
+    xfs.mkdirSync(p, mode);
+    made = made || p;
+  } catch (err0) {
+    switch (err0.code) {
+      case 'ENOENT':
+        made = sync(path.dirname(p), opts, made);
+        sync(p, opts, made);
+        break;
+      // In the case of any other error, just see if there's a dir
+      // there already.  If so, then hooray!  If not, then something
+      // is borked.
+
+      default:
+        var stat;
+
+        try {
+          stat = xfs.statSync(p);
+        } catch (err1) {
+          throw err0;
+        }
+
+        if (!stat.isDirectory()) throw err0;
+        break;
+    }
+  }
+
+  return made;
+};
+
+/***/ }),
+/* 895 */
+/***/ (function(module, exports) {
+
+var Flatted = function (Primitive, primitive) {
+  /*!
+   * ISC License
+   *
+   * Copyright (c) 2018, Andrea Giammarchi, @WebReflection
+   *
+   * Permission to use, copy, modify, and/or distribute this software for any
+   * purpose with or without fee is hereby granted, provided that the above
+   * copyright notice and this permission notice appear in all copies.
+   *
+   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+   * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+   * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+   * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+   * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+   * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+   * PERFORMANCE OF THIS SOFTWARE.
+   */
+  var Flatted = {
+    parse: function parse(text, reviver) {
+      var input = JSON.parse(text, Primitives).map(primitives);
+      var value = input[0];
+      var $ = reviver || noop;
+      var tmp = typeof value === 'object' && value ? revive(input, new Set(), value, $) : value;
+      return $.call({
+        '': tmp
+      }, '', tmp);
+    },
+    stringify: function stringify(value, replacer, space) {
+      for (var firstRun, known = new Map(), input = [], output = [], $ = replacer && typeof replacer === typeof input ? function (k, v) {
+        if (k === '' || -1 < replacer.indexOf(k)) return v;
+      } : replacer || noop, i = +set(known, input, $.call({
+        '': value
+      }, '', value)), replace = function replace(key, value) {
+        if (firstRun) {
+          firstRun = !firstRun;
+          return value;
+        }
+
+        var after = $.call(this, key, value);
+
+        switch (typeof after) {
+          case 'object':
+            if (after === null) return after;
+
+          case primitive:
+            return known.get(after) || set(known, input, after);
+        }
+
+        return after;
+      }; i < input.length; i++) {
+        firstRun = true;
+        output[i] = JSON.stringify(input[i], replace, space);
+      }
+
+      return '[' + output.join(',') + ']';
+    }
+  };
+  return Flatted;
+
+  function noop(key, value) {
+    return value;
+  }
+
+  function revive(input, parsed, output, $) {
+    return Object.keys(output).reduce(function (output, key) {
+      var value = output[key];
+
+      if (value instanceof Primitive) {
+        var tmp = input[value];
+
+        if (typeof tmp === 'object' && !parsed.has(tmp)) {
+          parsed.add(tmp);
+          output[key] = $.call(output, key, revive(input, parsed, tmp, $));
+        } else {
+          output[key] = $.call(output, key, tmp);
+        }
+      } else output[key] = $.call(output, key, value);
+
+      return output;
+    }, output);
+  }
+
+  function set(known, input, value) {
+    var index = Primitive(input.push(value) - 1);
+    known.set(value, index);
+    return index;
+  } // the two kinds of primitives
+  //  1. the real one
+  //  2. the wrapped one
+
+
+  function primitives(value) {
+    return value instanceof Primitive ? Primitive(value) : value;
+  }
+
+  function Primitives(key, value) {
+    return typeof value === primitive ? new Primitive(value) : value;
+  }
+}(String, 'string');
+
+module.exports = Flatted;
+
+/***/ }),
+/* 896 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var rimraf = __webpack_require__(897).sync;
+
+var fs = __webpack_require__(824);
+
+module.exports = function del(file) {
+  if (fs.existsSync(file)) {
+    //if rimraf doesn't throw then the file has been deleted or didn't exist
+    rimraf(file, {
+      glob: false
+    });
+    return true;
+  }
+
+  return false;
+};
+
+/***/ }),
+/* 897 */
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = rimraf;
+rimraf.sync = rimrafSync;
+
+var assert = __webpack_require__(379);
+
+var path = __webpack_require__(377);
+
+var fs = __webpack_require__(824);
+
+var glob = __webpack_require__(898);
+
+var _0666 = parseInt('666', 8);
+
+var defaultGlobOpts = {
+  nosort: true,
+  silent: true
+}; // for EMFILE handling
+
+var timeout = 0;
+var isWindows = process.platform === "win32";
+
+function defaults(options) {
+  var methods = ['unlink', 'chmod', 'stat', 'lstat', 'rmdir', 'readdir'];
+  methods.forEach(function (m) {
+    options[m] = options[m] || fs[m];
+    m = m + 'Sync';
+    options[m] = options[m] || fs[m];
+  });
+  options.maxBusyTries = options.maxBusyTries || 3;
+  options.emfileWait = options.emfileWait || 1000;
+
+  if (options.glob === false) {
+    options.disableGlob = true;
+  }
+
+  options.disableGlob = options.disableGlob || false;
+  options.glob = options.glob || defaultGlobOpts;
+}
+
+function rimraf(p, options, cb) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = {};
+  }
+
+  assert(p, 'rimraf: missing path');
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string');
+  assert.equal(typeof cb, 'function', 'rimraf: callback function required');
+  assert(options, 'rimraf: invalid options argument provided');
+  assert.equal(typeof options, 'object', 'rimraf: options should be object');
+  defaults(options);
+  var busyTries = 0;
+  var errState = null;
+  var n = 0;
+  if (options.disableGlob || !glob.hasMagic(p)) return afterGlob(null, [p]);
+  options.lstat(p, function (er, stat) {
+    if (!er) return afterGlob(null, [p]);
+    glob(p, options.glob, afterGlob);
+  });
+
+  function next(er) {
+    errState = errState || er;
+    if (--n === 0) cb(errState);
+  }
+
+  function afterGlob(er, results) {
+    if (er) return cb(er);
+    n = results.length;
+    if (n === 0) return cb();
+    results.forEach(function (p) {
+      rimraf_(p, options, function CB(er) {
+        if (er) {
+          if ((er.code === "EBUSY" || er.code === "ENOTEMPTY" || er.code === "EPERM") && busyTries < options.maxBusyTries) {
+            busyTries++;
+            var time = busyTries * 100; // try again, with the same exact callback as this one.
+
+            return setTimeout(function () {
+              rimraf_(p, options, CB);
+            }, time);
+          } // this one won't happen if graceful-fs is used.
+
+
+          if (er.code === "EMFILE" && timeout < options.emfileWait) {
+            return setTimeout(function () {
+              rimraf_(p, options, CB);
+            }, timeout++);
+          } // already gone
+
+
+          if (er.code === "ENOENT") er = null;
+        }
+
+        timeout = 0;
+        next(er);
+      });
+    });
+  }
+} // Two possible strategies.
+// 1. Assume it's a file.  unlink it, then do the dir stuff on EPERM or EISDIR
+// 2. Assume it's a directory.  readdir, then do the file stuff on ENOTDIR
+//
+// Both result in an extra syscall when you guess wrong.  However, there
+// are likely far more normal files in the world than directories.  This
+// is based on the assumption that a the average number of files per
+// directory is >= 1.
+//
+// If anyone ever complains about this, then I guess the strategy could
+// be made configurable somehow.  But until then, YAGNI.
+
+
+function rimraf_(p, options, cb) {
+  assert(p);
+  assert(options);
+  assert(typeof cb === 'function'); // sunos lets the root user unlink directories, which is... weird.
+  // so we have to lstat here and make sure it's not a dir.
+
+  options.lstat(p, function (er, st) {
+    if (er && er.code === "ENOENT") return cb(null); // Windows can EPERM on stat.  Life is suffering.
+
+    if (er && er.code === "EPERM" && isWindows) fixWinEPERM(p, options, er, cb);
+    if (st && st.isDirectory()) return rmdir(p, options, er, cb);
+    options.unlink(p, function (er) {
+      if (er) {
+        if (er.code === "ENOENT") return cb(null);
+        if (er.code === "EPERM") return isWindows ? fixWinEPERM(p, options, er, cb) : rmdir(p, options, er, cb);
+        if (er.code === "EISDIR") return rmdir(p, options, er, cb);
+      }
+
+      return cb(er);
+    });
+  });
+}
+
+function fixWinEPERM(p, options, er, cb) {
+  assert(p);
+  assert(options);
+  assert(typeof cb === 'function');
+  if (er) assert(er instanceof Error);
+  options.chmod(p, _0666, function (er2) {
+    if (er2) cb(er2.code === "ENOENT" ? null : er);else options.stat(p, function (er3, stats) {
+      if (er3) cb(er3.code === "ENOENT" ? null : er);else if (stats.isDirectory()) rmdir(p, options, er, cb);else options.unlink(p, cb);
+    });
+  });
+}
+
+function fixWinEPERMSync(p, options, er) {
+  assert(p);
+  assert(options);
+  if (er) assert(er instanceof Error);
+
+  try {
+    options.chmodSync(p, _0666);
+  } catch (er2) {
+    if (er2.code === "ENOENT") return;else throw er;
+  }
+
+  try {
+    var stats = options.statSync(p);
+  } catch (er3) {
+    if (er3.code === "ENOENT") return;else throw er;
+  }
+
+  if (stats.isDirectory()) rmdirSync(p, options, er);else options.unlinkSync(p);
+}
+
+function rmdir(p, options, originalEr, cb) {
+  assert(p);
+  assert(options);
+  if (originalEr) assert(originalEr instanceof Error);
+  assert(typeof cb === 'function'); // try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
+  // if we guessed wrong, and it's not a directory, then
+  // raise the original error.
+
+  options.rmdir(p, function (er) {
+    if (er && (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM")) rmkids(p, options, cb);else if (er && er.code === "ENOTDIR") cb(originalEr);else cb(er);
+  });
+}
+
+function rmkids(p, options, cb) {
+  assert(p);
+  assert(options);
+  assert(typeof cb === 'function');
+  options.readdir(p, function (er, files) {
+    if (er) return cb(er);
+    var n = files.length;
+    if (n === 0) return options.rmdir(p, cb);
+    var errState;
+    files.forEach(function (f) {
+      rimraf(path.join(p, f), options, function (er) {
+        if (errState) return;
+        if (er) return cb(errState = er);
+        if (--n === 0) options.rmdir(p, cb);
+      });
+    });
+  });
+} // this looks simpler, and is strictly *faster*, but will
+// tie up the JavaScript thread and fail on excessively
+// deep directory trees.
+
+
+function rimrafSync(p, options) {
+  options = options || {};
+  defaults(options);
+  assert(p, 'rimraf: missing path');
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string');
+  assert(options, 'rimraf: missing options');
+  assert.equal(typeof options, 'object', 'rimraf: options should be object');
+  var results;
+
+  if (options.disableGlob || !glob.hasMagic(p)) {
+    results = [p];
+  } else {
+    try {
+      options.lstatSync(p);
+      results = [p];
+    } catch (er) {
+      results = glob.sync(p, options.glob);
+    }
+  }
+
+  if (!results.length) return;
+
+  for (var i = 0; i < results.length; i++) {
+    var p = results[i];
+
+    try {
+      var st = options.lstatSync(p);
+    } catch (er) {
+      if (er.code === "ENOENT") return; // Windows can EPERM on stat.  Life is suffering.
+
+      if (er.code === "EPERM" && isWindows) fixWinEPERMSync(p, options, er);
+    }
+
+    try {
+      // sunos lets the root user unlink directories, which is... weird.
+      if (st && st.isDirectory()) rmdirSync(p, options, null);else options.unlinkSync(p);
+    } catch (er) {
+      if (er.code === "ENOENT") return;
+      if (er.code === "EPERM") return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er);
+      if (er.code !== "EISDIR") throw er;
+      rmdirSync(p, options, er);
+    }
+  }
+}
+
+function rmdirSync(p, options, originalEr) {
+  assert(p);
+  assert(options);
+  if (originalEr) assert(originalEr instanceof Error);
+
+  try {
+    options.rmdirSync(p);
+  } catch (er) {
+    if (er.code === "ENOENT") return;
+    if (er.code === "ENOTDIR") throw originalEr;
+    if (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM") rmkidsSync(p, options);
+  }
+}
+
+function rmkidsSync(p, options) {
+  assert(p);
+  assert(options);
+  options.readdirSync(p).forEach(function (f) {
+    rimrafSync(path.join(p, f), options);
+  }); // We only end up here once we got ENOTEMPTY at least once, and
+  // at this point, we are guaranteed to have removed all the kids.
+  // So, we know that it won't be ENOENT or ENOTDIR or anything else.
+  // try really hard to delete stuff on windows, because it has a
+  // PROFOUNDLY annoying habit of not closing handles promptly when
+  // files are deleted, resulting in spurious ENOTEMPTY errors.
+
+  var retries = isWindows ? 100 : 1;
+  var i = 0;
+
+  do {
+    var threw = true;
+
+    try {
+      var ret = options.rmdirSync(p, options);
+      threw = false;
+      return ret;
+    } finally {
+      if (++i < retries && threw) continue;
+    }
+  } while (true);
+}
+
+/***/ }),
+/* 898 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Approach:
+//
+// 1. Get the minimatch set
+// 2. For each pattern in the set, PROCESS(pattern, false)
+// 3. Store matches per-set, then uniq them
+//
+// PROCESS(pattern, inGlobStar)
+// Get the first [n] items from pattern that are all strings
+// Join these together.  This is PREFIX.
+//   If there is no more remaining, then stat(PREFIX) and
+//   add to matches if it succeeds.  END.
+//
+// If inGlobStar and PREFIX is symlink and points to dir
+//   set ENTRIES = []
+// else readdir(PREFIX) as ENTRIES
+//   If fail, END
+//
+// with ENTRIES
+//   If pattern[n] is GLOBSTAR
+//     // handle the case where the globstar match is empty
+//     // by pruning it out, and testing the resulting pattern
+//     PROCESS(pattern[0..n] + pattern[n+1 .. $], false)
+//     // handle other cases.
+//     for ENTRY in ENTRIES (not dotfiles)
+//       // attach globstar + tail onto the entry
+//       // Mark that this entry is a globstar match
+//       PROCESS(pattern[0..n] + ENTRY + pattern[n .. $], true)
+//
+//   else // not globstar
+//     for ENTRY in ENTRIES (not dotfiles, unless pattern[n] is dot)
+//       Test ENTRY against pattern[n]
+//       If fails, continue
+//       If passes, PROCESS(pattern[0..n] + item + pattern[n+1 .. $])
+//
+// Caveat:
+//   Cache all stats and readdirs results to minimize syscall.  Since all
+//   we ever care about is existence and directory-ness, we can just keep
+//   `true` for files, and [children,...] for directories, or `false` for
+//   things that don't exist.
+module.exports = glob;
+
+var fs = __webpack_require__(824);
+
+var rp = __webpack_require__(899);
+
+var minimatch = __webpack_require__(844);
+
+var Minimatch = minimatch.Minimatch;
+
+var inherits = __webpack_require__(901);
+
+var EE = __webpack_require__(903).EventEmitter;
+
+var path = __webpack_require__(377);
+
+var assert = __webpack_require__(379);
+
+var isAbsolute = __webpack_require__(904);
+
+var globSync = __webpack_require__(905);
+
+var common = __webpack_require__(906);
+
+var alphasort = common.alphasort;
+var alphasorti = common.alphasorti;
+var setopts = common.setopts;
+var ownProp = common.ownProp;
+
+var inflight = __webpack_require__(907);
+
+var util = __webpack_require__(412);
+
+var childrenIgnored = common.childrenIgnored;
+var isIgnored = common.isIgnored;
+
+var once = __webpack_require__(909);
+
+function glob(pattern, options, cb) {
+  if (typeof options === 'function') cb = options, options = {};
+  if (!options) options = {};
+
+  if (options.sync) {
+    if (cb) throw new TypeError('callback provided to sync glob');
+    return globSync(pattern, options);
+  }
+
+  return new Glob(pattern, options, cb);
+}
+
+glob.sync = globSync;
+var GlobSync = glob.GlobSync = globSync.GlobSync; // old api surface
+
+glob.glob = glob;
+
+function extend(origin, add) {
+  if (add === null || typeof add !== 'object') {
+    return origin;
+  }
+
+  var keys = Object.keys(add);
+  var i = keys.length;
+
+  while (i--) {
+    origin[keys[i]] = add[keys[i]];
+  }
+
+  return origin;
+}
+
+glob.hasMagic = function (pattern, options_) {
+  var options = extend({}, options_);
+  options.noprocess = true;
+  var g = new Glob(pattern, options);
+  var set = g.minimatch.set;
+  if (!pattern) return false;
+  if (set.length > 1) return true;
+
+  for (var j = 0; j < set[0].length; j++) {
+    if (typeof set[0][j] !== 'string') return true;
+  }
+
+  return false;
+};
+
+glob.Glob = Glob;
+inherits(Glob, EE);
+
+function Glob(pattern, options, cb) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = null;
+  }
+
+  if (options && options.sync) {
+    if (cb) throw new TypeError('callback provided to sync glob');
+    return new GlobSync(pattern, options);
+  }
+
+  if (!(this instanceof Glob)) return new Glob(pattern, options, cb);
+  setopts(this, pattern, options);
+  this._didRealPath = false; // process each pattern in the minimatch set
+
+  var n = this.minimatch.set.length; // The matches are stored as {<filename>: true,...} so that
+  // duplicates are automagically pruned.
+  // Later, we do an Object.keys() on these.
+  // Keep them as a list so we can fill in when nonull is set.
+
+  this.matches = new Array(n);
+
+  if (typeof cb === 'function') {
+    cb = once(cb);
+    this.on('error', cb);
+    this.on('end', function (matches) {
+      cb(null, matches);
+    });
+  }
+
+  var self = this;
+  this._processing = 0;
+  this._emitQueue = [];
+  this._processQueue = [];
+  this.paused = false;
+  if (this.noprocess) return this;
+  if (n === 0) return done();
+  var sync = true;
+
+  for (var i = 0; i < n; i++) {
+    this._process(this.minimatch.set[i], i, false, done);
+  }
+
+  sync = false;
+
+  function done() {
+    --self._processing;
+
+    if (self._processing <= 0) {
+      if (sync) {
+        process.nextTick(function () {
+          self._finish();
+        });
+      } else {
+        self._finish();
+      }
+    }
+  }
+}
+
+Glob.prototype._finish = function () {
+  assert(this instanceof Glob);
+  if (this.aborted) return;
+  if (this.realpath && !this._didRealpath) return this._realpath();
+  common.finish(this);
+  this.emit('end', this.found);
+};
+
+Glob.prototype._realpath = function () {
+  if (this._didRealpath) return;
+  this._didRealpath = true;
+  var n = this.matches.length;
+  if (n === 0) return this._finish();
+  var self = this;
+
+  for (var i = 0; i < this.matches.length; i++) this._realpathSet(i, next);
+
+  function next() {
+    if (--n === 0) self._finish();
+  }
+};
+
+Glob.prototype._realpathSet = function (index, cb) {
+  var matchset = this.matches[index];
+  if (!matchset) return cb();
+  var found = Object.keys(matchset);
+  var self = this;
+  var n = found.length;
+  if (n === 0) return cb();
+  var set = this.matches[index] = Object.create(null);
+  found.forEach(function (p, i) {
+    // If there's a problem with the stat, then it means that
+    // one or more of the links in the realpath couldn't be
+    // resolved.  just return the abs value in that case.
+    p = self._makeAbs(p);
+    rp.realpath(p, self.realpathCache, function (er, real) {
+      if (!er) set[real] = true;else if (er.syscall === 'stat') set[p] = true;else self.emit('error', er); // srsly wtf right here
+
+      if (--n === 0) {
+        self.matches[index] = set;
+        cb();
+      }
+    });
+  });
+};
+
+Glob.prototype._mark = function (p) {
+  return common.mark(this, p);
+};
+
+Glob.prototype._makeAbs = function (f) {
+  return common.makeAbs(this, f);
+};
+
+Glob.prototype.abort = function () {
+  this.aborted = true;
+  this.emit('abort');
+};
+
+Glob.prototype.pause = function () {
+  if (!this.paused) {
+    this.paused = true;
+    this.emit('pause');
+  }
+};
+
+Glob.prototype.resume = function () {
+  if (this.paused) {
+    this.emit('resume');
+    this.paused = false;
+
+    if (this._emitQueue.length) {
+      var eq = this._emitQueue.slice(0);
+
+      this._emitQueue.length = 0;
+
+      for (var i = 0; i < eq.length; i++) {
+        var e = eq[i];
+
+        this._emitMatch(e[0], e[1]);
+      }
+    }
+
+    if (this._processQueue.length) {
+      var pq = this._processQueue.slice(0);
+
+      this._processQueue.length = 0;
+
+      for (var i = 0; i < pq.length; i++) {
+        var p = pq[i];
+        this._processing--;
+
+        this._process(p[0], p[1], p[2], p[3]);
+      }
+    }
+  }
+};
+
+Glob.prototype._process = function (pattern, index, inGlobStar, cb) {
+  assert(this instanceof Glob);
+  assert(typeof cb === 'function');
+  if (this.aborted) return;
+  this._processing++;
+
+  if (this.paused) {
+    this._processQueue.push([pattern, index, inGlobStar, cb]);
+
+    return;
+  } //console.error('PROCESS %d', this._processing, pattern)
+  // Get the first [n] parts of pattern that are all strings.
+
+
+  var n = 0;
+
+  while (typeof pattern[n] === 'string') {
+    n++;
+  } // now n is the index of the first one that is *not* a string.
+  // see if there's anything else
+
+
+  var prefix;
+
+  switch (n) {
+    // if not, then this is rather simple
+    case pattern.length:
+      this._processSimple(pattern.join('/'), index, cb);
+
+      return;
+
+    case 0:
+      // pattern *starts* with some non-trivial item.
+      // going to readdir(cwd), but not include the prefix in matches.
+      prefix = null;
+      break;
+
+    default:
+      // pattern has some string bits in the front.
+      // whatever it starts with, whether that's 'absolute' like /foo/bar,
+      // or 'relative' like '../baz'
+      prefix = pattern.slice(0, n).join('/');
+      break;
+  }
+
+  var remain = pattern.slice(n); // get the list of entries.
+
+  var read;
+  if (prefix === null) read = '.';else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) {
+    if (!prefix || !isAbsolute(prefix)) prefix = '/' + prefix;
+    read = prefix;
+  } else read = prefix;
+
+  var abs = this._makeAbs(read); //if ignored, skip _processing
+
+
+  if (childrenIgnored(this, read)) return cb();
+  var isGlobStar = remain[0] === minimatch.GLOBSTAR;
+  if (isGlobStar) this._processGlobStar(prefix, read, abs, remain, index, inGlobStar, cb);else this._processReaddir(prefix, read, abs, remain, index, inGlobStar, cb);
+};
+
+Glob.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar, cb) {
+  var self = this;
+
+  this._readdir(abs, inGlobStar, function (er, entries) {
+    return self._processReaddir2(prefix, read, abs, remain, index, inGlobStar, entries, cb);
+  });
+};
+
+Glob.prototype._processReaddir2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) {
+  // if the abs isn't a dir, then nothing can match!
+  if (!entries) return cb(); // It will only match dot entries if it starts with a dot, or if
+  // dot is set.  Stuff like @(.foo|.bar) isn't allowed.
+
+  var pn = remain[0];
+  var negate = !!this.minimatch.negate;
+  var rawGlob = pn._glob;
+  var dotOk = this.dot || rawGlob.charAt(0) === '.';
+  var matchedEntries = [];
+
+  for (var i = 0; i < entries.length; i++) {
+    var e = entries[i];
+
+    if (e.charAt(0) !== '.' || dotOk) {
+      var m;
+
+      if (negate && !prefix) {
+        m = !e.match(pn);
+      } else {
+        m = e.match(pn);
+      }
+
+      if (m) matchedEntries.push(e);
+    }
+  } //console.error('prd2', prefix, entries, remain[0]._glob, matchedEntries)
+
+
+  var len = matchedEntries.length; // If there are no matched entries, then nothing matches.
+
+  if (len === 0) return cb(); // if this is the last remaining pattern bit, then no need for
+  // an additional stat *unless* the user has specified mark or
+  // stat explicitly.  We know they exist, since readdir returned
+  // them.
+
+  if (remain.length === 1 && !this.mark && !this.stat) {
+    if (!this.matches[index]) this.matches[index] = Object.create(null);
+
+    for (var i = 0; i < len; i++) {
+      var e = matchedEntries[i];
+
+      if (prefix) {
+        if (prefix !== '/') e = prefix + '/' + e;else e = prefix + e;
+      }
+
+      if (e.charAt(0) === '/' && !this.nomount) {
+        e = path.join(this.root, e);
+      }
+
+      this._emitMatch(index, e);
+    } // This was the last one, and no stats were needed
+
+
+    return cb();
+  } // now test all matched entries as stand-ins for that part
+  // of the pattern.
+
+
+  remain.shift();
+
+  for (var i = 0; i < len; i++) {
+    var e = matchedEntries[i];
+    var newPattern;
+
+    if (prefix) {
+      if (prefix !== '/') e = prefix + '/' + e;else e = prefix + e;
+    }
+
+    this._process([e].concat(remain), index, inGlobStar, cb);
+  }
+
+  cb();
+};
+
+Glob.prototype._emitMatch = function (index, e) {
+  if (this.aborted) return;
+  if (isIgnored(this, e)) return;
+
+  if (this.paused) {
+    this._emitQueue.push([index, e]);
+
+    return;
+  }
+
+  var abs = isAbsolute(e) ? e : this._makeAbs(e);
+  if (this.mark) e = this._mark(e);
+  if (this.absolute) e = abs;
+  if (this.matches[index][e]) return;
+
+  if (this.nodir) {
+    var c = this.cache[abs];
+    if (c === 'DIR' || Array.isArray(c)) return;
+  }
+
+  this.matches[index][e] = true;
+  var st = this.statCache[abs];
+  if (st) this.emit('stat', e, st);
+  this.emit('match', e);
+};
+
+Glob.prototype._readdirInGlobStar = function (abs, cb) {
+  if (this.aborted) return; // follow all symlinked directories forever
+  // just proceed as if this is a non-globstar situation
+
+  if (this.follow) return this._readdir(abs, false, cb);
+  var lstatkey = 'lstat\0' + abs;
+  var self = this;
+  var lstatcb = inflight(lstatkey, lstatcb_);
+  if (lstatcb) fs.lstat(abs, lstatcb);
+
+  function lstatcb_(er, lstat) {
+    if (er && er.code === 'ENOENT') return cb();
+    var isSym = lstat && lstat.isSymbolicLink();
+    self.symlinks[abs] = isSym; // If it's not a symlink or a dir, then it's definitely a regular file.
+    // don't bother doing a readdir in that case.
+
+    if (!isSym && lstat && !lstat.isDirectory()) {
+      self.cache[abs] = 'FILE';
+      cb();
+    } else self._readdir(abs, false, cb);
+  }
+};
+
+Glob.prototype._readdir = function (abs, inGlobStar, cb) {
+  if (this.aborted) return;
+  cb = inflight('readdir\0' + abs + '\0' + inGlobStar, cb);
+  if (!cb) return; //console.error('RD %j %j', +inGlobStar, abs)
+
+  if (inGlobStar && !ownProp(this.symlinks, abs)) return this._readdirInGlobStar(abs, cb);
+
+  if (ownProp(this.cache, abs)) {
+    var c = this.cache[abs];
+    if (!c || c === 'FILE') return cb();
+    if (Array.isArray(c)) return cb(null, c);
+  }
+
+  var self = this;
+  fs.readdir(abs, readdirCb(this, abs, cb));
+};
+
+function readdirCb(self, abs, cb) {
+  return function (er, entries) {
+    if (er) self._readdirError(abs, er, cb);else self._readdirEntries(abs, entries, cb);
+  };
+}
+
+Glob.prototype._readdirEntries = function (abs, entries, cb) {
+  if (this.aborted) return; // if we haven't asked to stat everything, then just
+  // assume that everything in there exists, so we can avoid
+  // having to stat it a second time.
+
+  if (!this.mark && !this.stat) {
+    for (var i = 0; i < entries.length; i++) {
+      var e = entries[i];
+      if (abs === '/') e = abs + e;else e = abs + '/' + e;
+      this.cache[e] = true;
+    }
+  }
+
+  this.cache[abs] = entries;
+  return cb(null, entries);
+};
+
+Glob.prototype._readdirError = function (f, er, cb) {
+  if (this.aborted) return; // handle errors, and cache the information
+
+  switch (er.code) {
+    case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205
+
+    case 'ENOTDIR':
+      // totally normal. means it *does* exist.
+      var abs = this._makeAbs(f);
+
+      this.cache[abs] = 'FILE';
+
+      if (abs === this.cwdAbs) {
+        var error = new Error(er.code + ' invalid cwd ' + this.cwd);
+        error.path = this.cwd;
+        error.code = er.code;
+        this.emit('error', error);
+        this.abort();
+      }
+
+      break;
+
+    case 'ENOENT': // not terribly unusual
+
+    case 'ELOOP':
+    case 'ENAMETOOLONG':
+    case 'UNKNOWN':
+      this.cache[this._makeAbs(f)] = false;
+      break;
+
+    default:
+      // some unusual error.  Treat as failure.
+      this.cache[this._makeAbs(f)] = false;
+
+      if (this.strict) {
+        this.emit('error', er); // If the error is handled, then we abort
+        // if not, we threw out of here
+
+        this.abort();
+      }
+
+      if (!this.silent) console.error('glob error', er);
+      break;
+  }
+
+  return cb();
+};
+
+Glob.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar, cb) {
+  var self = this;
+
+  this._readdir(abs, inGlobStar, function (er, entries) {
+    self._processGlobStar2(prefix, read, abs, remain, index, inGlobStar, entries, cb);
+  });
+};
+
+Glob.prototype._processGlobStar2 = function (prefix, read, abs, remain, index, inGlobStar, entries, cb) {
+  //console.error('pgs2', prefix, remain[0], entries)
+  // no entries means not a dir, so it can never have matches
+  // foo.txt/** doesn't match foo.txt
+  if (!entries) return cb(); // test without the globstar, and with every child both below
+  // and replacing the globstar.
+
+  var remainWithoutGlobStar = remain.slice(1);
+  var gspref = prefix ? [prefix] : [];
+  var noGlobStar = gspref.concat(remainWithoutGlobStar); // the noGlobStar pattern exits the inGlobStar state
+
+  this._process(noGlobStar, index, false, cb);
+
+  var isSym = this.symlinks[abs];
+  var len = entries.length; // If it's a symlink, and we're in a globstar, then stop
+
+  if (isSym && inGlobStar) return cb();
+
+  for (var i = 0; i < len; i++) {
+    var e = entries[i];
+    if (e.charAt(0) === '.' && !this.dot) continue; // these two cases enter the inGlobStar state
+
+    var instead = gspref.concat(entries[i], remainWithoutGlobStar);
+
+    this._process(instead, index, true, cb);
+
+    var below = gspref.concat(entries[i], remain);
+
+    this._process(below, index, true, cb);
+  }
+
+  cb();
+};
+
+Glob.prototype._processSimple = function (prefix, index, cb) {
+  // XXX review this.  Shouldn't it be doing the mounting etc
+  // before doing stat?  kinda weird?
+  var self = this;
+
+  this._stat(prefix, function (er, exists) {
+    self._processSimple2(prefix, index, er, exists, cb);
+  });
+};
+
+Glob.prototype._processSimple2 = function (prefix, index, er, exists, cb) {
+  //console.error('ps2', prefix, exists)
+  if (!this.matches[index]) this.matches[index] = Object.create(null); // If it doesn't exist, then just mark the lack of results
+
+  if (!exists) return cb();
+
+  if (prefix && isAbsolute(prefix) && !this.nomount) {
+    var trail = /[\/\\]$/.test(prefix);
+
+    if (prefix.charAt(0) === '/') {
+      prefix = path.join(this.root, prefix);
+    } else {
+      prefix = path.resolve(this.root, prefix);
+      if (trail) prefix += '/';
+    }
+  }
+
+  if (process.platform === 'win32') prefix = prefix.replace(/\\/g, '/'); // Mark this as a match
+
+  this._emitMatch(index, prefix);
+
+  cb();
+}; // Returns either 'DIR', 'FILE', or false
+
+
+Glob.prototype._stat = function (f, cb) {
+  var abs = this._makeAbs(f);
+
+  var needDir = f.slice(-1) === '/';
+  if (f.length > this.maxLength) return cb();
+
+  if (!this.stat && ownProp(this.cache, abs)) {
+    var c = this.cache[abs];
+    if (Array.isArray(c)) c = 'DIR'; // It exists, but maybe not how we need it
+
+    if (!needDir || c === 'DIR') return cb(null, c);
+    if (needDir && c === 'FILE') return cb(); // otherwise we have to stat, because maybe c=true
+    // if we know it exists, but not what it is.
+  }
+
+  var exists;
+  var stat = this.statCache[abs];
+
+  if (stat !== undefined) {
+    if (stat === false) return cb(null, stat);else {
+      var type = stat.isDirectory() ? 'DIR' : 'FILE';
+      if (needDir && type === 'FILE') return cb();else return cb(null, type, stat);
+    }
+  }
+
+  var self = this;
+  var statcb = inflight('stat\0' + abs, lstatcb_);
+  if (statcb) fs.lstat(abs, statcb);
+
+  function lstatcb_(er, lstat) {
+    if (lstat && lstat.isSymbolicLink()) {
+      // If it's a symlink, then treat it as the target, unless
+      // the target does not exist, then treat it as a file.
+      return fs.stat(abs, function (er, stat) {
+        if (er) self._stat2(f, abs, null, lstat, cb);else self._stat2(f, abs, er, stat, cb);
+      });
+    } else {
+      self._stat2(f, abs, er, lstat, cb);
+    }
+  }
+};
+
+Glob.prototype._stat2 = function (f, abs, er, stat, cb) {
+  if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) {
+    this.statCache[abs] = false;
+    return cb();
+  }
+
+  var needDir = f.slice(-1) === '/';
+  this.statCache[abs] = stat;
+  if (abs.slice(-1) === '/' && stat && !stat.isDirectory()) return cb(null, false, stat);
+  var c = true;
+  if (stat) c = stat.isDirectory() ? 'DIR' : 'FILE';
+  this.cache[abs] = this.cache[abs] || c;
+  if (needDir && c === 'FILE') return cb();
+  return cb(null, c, stat);
+};
+
+/***/ }),
+/* 899 */
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = realpath;
+realpath.realpath = realpath;
+realpath.sync = realpathSync;
+realpath.realpathSync = realpathSync;
+realpath.monkeypatch = monkeypatch;
+realpath.unmonkeypatch = unmonkeypatch;
+
+var fs = __webpack_require__(824);
+
+var origRealpath = fs.realpath;
+var origRealpathSync = fs.realpathSync;
+var version = process.version;
+var ok = /^v[0-5]\./.test(version);
+
+var old = __webpack_require__(900);
+
+function newError(er) {
+  return er && er.syscall === 'realpath' && (er.code === 'ELOOP' || er.code === 'ENOMEM' || er.code === 'ENAMETOOLONG');
+}
+
+function realpath(p, cache, cb) {
+  if (ok) {
+    return origRealpath(p, cache, cb);
+  }
+
+  if (typeof cache === 'function') {
+    cb = cache;
+    cache = null;
+  }
+
+  origRealpath(p, cache, function (er, result) {
+    if (newError(er)) {
+      old.realpath(p, cache, cb);
+    } else {
+      cb(er, result);
+    }
+  });
+}
+
+function realpathSync(p, cache) {
+  if (ok) {
+    return origRealpathSync(p, cache);
+  }
+
+  try {
+    return origRealpathSync(p, cache);
+  } catch (er) {
+    if (newError(er)) {
+      return old.realpathSync(p, cache);
+    } else {
+      throw er;
+    }
+  }
+}
+
+function monkeypatch() {
+  fs.realpath = realpath;
+  fs.realpathSync = realpathSync;
+}
+
+function unmonkeypatch() {
+  fs.realpath = origRealpath;
+  fs.realpathSync = origRealpathSync;
+}
+
+/***/ }),
+/* 900 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+var pathModule = __webpack_require__(377);
+
+var isWindows = process.platform === 'win32';
+
+var fs = __webpack_require__(824); // JavaScript implementation of realpath, ported from node pre-v6
+
+
+var DEBUG = process.env.NODE_DEBUG && /fs/.test(process.env.NODE_DEBUG);
+
+function rethrow() {
+  // Only enable in debug mode. A backtrace uses ~1000 bytes of heap space and
+  // is fairly slow to generate.
+  var callback;
+
+  if (DEBUG) {
+    var backtrace = new Error();
+    callback = debugCallback;
+  } else callback = missingCallback;
+
+  return callback;
+
+  function debugCallback(err) {
+    if (err) {
+      backtrace.message = err.message;
+      err = backtrace;
+      missingCallback(err);
+    }
+  }
+
+  function missingCallback(err) {
+    if (err) {
+      if (process.throwDeprecation) throw err; // Forgot a callback but don't know where? Use NODE_DEBUG=fs
+      else if (!process.noDeprecation) {
+          var msg = 'fs: missing callback ' + (err.stack || err.message);
+          if (process.traceDeprecation) console.trace(msg);else console.error(msg);
+        }
+    }
+  }
+}
+
+function maybeCallback(cb) {
+  return typeof cb === 'function' ? cb : rethrow();
+}
+
+var normalize = pathModule.normalize; // Regexp that finds the next partion of a (partial) path
+// result is [base_with_slash, base], e.g. ['somedir/', 'somedir']
+
+if (isWindows) {
+  var nextPartRe = /(.*?)(?:[\/\\]+|$)/g;
+} else {
+  var nextPartRe = /(.*?)(?:[\/]+|$)/g;
+} // Regex to find the device root, including trailing slash. E.g. 'c:\\'.
+
+
+if (isWindows) {
+  var splitRootRe = /^(?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?[\\\/]*/;
+} else {
+  var splitRootRe = /^[\/]*/;
+}
+
+exports.realpathSync = function realpathSync(p, cache) {
+  // make p is absolute
+  p = pathModule.resolve(p);
+
+  if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
+    return cache[p];
+  }
+
+  var original = p,
+      seenLinks = {},
+      knownHard = {}; // current character position in p
+
+  var pos; // the partial path so far, including a trailing slash if any
+
+  var current; // the partial path without a trailing slash (except when pointing at a root)
+
+  var base; // the partial path scanned in the previous round, with slash
+
+  var previous;
+  start();
+
+  function start() {
+    // Skip over roots
+    var m = splitRootRe.exec(p);
+    pos = m[0].length;
+    current = m[0];
+    base = m[0];
+    previous = ''; // On windows, check that the root exists. On unix there is no need.
+
+    if (isWindows && !knownHard[base]) {
+      fs.lstatSync(base);
+      knownHard[base] = true;
+    }
+  } // walk down the path, swapping out linked pathparts for their real
+  // values
+  // NB: p.length changes.
+
+
+  while (pos < p.length) {
+    // find the next part
+    nextPartRe.lastIndex = pos;
+    var result = nextPartRe.exec(p);
+    previous = current;
+    current += result[0];
+    base = previous + result[1];
+    pos = nextPartRe.lastIndex; // continue if not a symlink
+
+    if (knownHard[base] || cache && cache[base] === base) {
+      continue;
+    }
+
+    var resolvedLink;
+
+    if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
+      // some known symbolic link.  no need to stat again.
+      resolvedLink = cache[base];
+    } else {
+      var stat = fs.lstatSync(base);
+
+      if (!stat.isSymbolicLink()) {
+        knownHard[base] = true;
+        if (cache) cache[base] = base;
+        continue;
+      } // read the link if it wasn't read before
+      // dev/ino always return 0 on windows, so skip the check.
+
+
+      var linkTarget = null;
+
+      if (!isWindows) {
+        var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
+
+        if (seenLinks.hasOwnProperty(id)) {
+          linkTarget = seenLinks[id];
+        }
+      }
+
+      if (linkTarget === null) {
+        fs.statSync(base);
+        linkTarget = fs.readlinkSync(base);
+      }
+
+      resolvedLink = pathModule.resolve(previous, linkTarget); // track this, if given a cache.
+
+      if (cache) cache[base] = resolvedLink;
+      if (!isWindows) seenLinks[id] = linkTarget;
+    } // resolve the link, then start over
+
+
+    p = pathModule.resolve(resolvedLink, p.slice(pos));
+    start();
+  }
+
+  if (cache) cache[original] = p;
+  return p;
+};
+
+exports.realpath = function realpath(p, cache, cb) {
+  if (typeof cb !== 'function') {
+    cb = maybeCallback(cache);
+    cache = null;
+  } // make p is absolute
+
+
+  p = pathModule.resolve(p);
+
+  if (cache && Object.prototype.hasOwnProperty.call(cache, p)) {
+    return process.nextTick(cb.bind(null, null, cache[p]));
+  }
+
+  var original = p,
+      seenLinks = {},
+      knownHard = {}; // current character position in p
+
+  var pos; // the partial path so far, including a trailing slash if any
+
+  var current; // the partial path without a trailing slash (except when pointing at a root)
+
+  var base; // the partial path scanned in the previous round, with slash
+
+  var previous;
+  start();
+
+  function start() {
+    // Skip over roots
+    var m = splitRootRe.exec(p);
+    pos = m[0].length;
+    current = m[0];
+    base = m[0];
+    previous = ''; // On windows, check that the root exists. On unix there is no need.
+
+    if (isWindows && !knownHard[base]) {
+      fs.lstat(base, function (err) {
+        if (err) return cb(err);
+        knownHard[base] = true;
+        LOOP();
+      });
+    } else {
+      process.nextTick(LOOP);
+    }
+  } // walk down the path, swapping out linked pathparts for their real
+  // values
+
+
+  function LOOP() {
+    // stop if scanned past end of path
+    if (pos >= p.length) {
+      if (cache) cache[original] = p;
+      return cb(null, p);
+    } // find the next part
+
+
+    nextPartRe.lastIndex = pos;
+    var result = nextPartRe.exec(p);
+    previous = current;
+    current += result[0];
+    base = previous + result[1];
+    pos = nextPartRe.lastIndex; // continue if not a symlink
+
+    if (knownHard[base] || cache && cache[base] === base) {
+      return process.nextTick(LOOP);
+    }
+
+    if (cache && Object.prototype.hasOwnProperty.call(cache, base)) {
+      // known symbolic link.  no need to stat again.
+      return gotResolvedLink(cache[base]);
+    }
+
+    return fs.lstat(base, gotStat);
+  }
+
+  function gotStat(err, stat) {
+    if (err) return cb(err); // if not a symlink, skip to the next path part
+
+    if (!stat.isSymbolicLink()) {
+      knownHard[base] = true;
+      if (cache) cache[base] = base;
+      return process.nextTick(LOOP);
+    } // stat & read the link if not read before
+    // call gotTarget as soon as the link target is known
+    // dev/ino always return 0 on windows, so skip the check.
+
+
+    if (!isWindows) {
+      var id = stat.dev.toString(32) + ':' + stat.ino.toString(32);
+
+      if (seenLinks.hasOwnProperty(id)) {
+        return gotTarget(null, seenLinks[id], base);
+      }
+    }
+
+    fs.stat(base, function (err) {
+      if (err) return cb(err);
+      fs.readlink(base, function (err, target) {
+        if (!isWindows) seenLinks[id] = target;
+        gotTarget(err, target);
+      });
+    });
+  }
+
+  function gotTarget(err, target, base) {
+    if (err) return cb(err);
+    var resolvedLink = pathModule.resolve(previous, target);
+    if (cache) cache[base] = resolvedLink;
+    gotResolvedLink(resolvedLink);
+  }
+
+  function gotResolvedLink(resolvedLink) {
+    // resolve the link, then start over
+    p = pathModule.resolve(resolvedLink, p.slice(pos));
+    start();
+  }
+};
+
+/***/ }),
+/* 901 */
+/***/ (function(module, exports, __webpack_require__) {
+
+try {
+  var util = __webpack_require__(412);
+  /* istanbul ignore next */
+
+
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  /* istanbul ignore next */
+  module.exports = __webpack_require__(902);
+}
+
+/***/ }),
+/* 902 */
+/***/ (function(module, exports) {
+
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor;
+      ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+          value: ctor,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      });
+    }
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor;
+
+      var TempCtor = function TempCtor() {};
+
+      TempCtor.prototype = superCtor.prototype;
+      ctor.prototype = new TempCtor();
+      ctor.prototype.constructor = ctor;
+    }
+  };
+}
+
+/***/ }),
+/* 903 */
+/***/ (function(module, exports) {
+
+module.exports = require("events");
+
+/***/ }),
+/* 904 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function posix(path) {
+  return path.charAt(0) === '/';
+}
+
+function win32(path) {
+  // https://github.com/nodejs/node/blob/b3fcc245fb25539909ef1d5eaa01dbf92e168633/lib/path.js#L56
+  var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
+  var result = splitDeviceRe.exec(path);
+  var device = result[1] || '';
+  var isUnc = Boolean(device && device.charAt(1) !== ':'); // UNC paths are always absolute
+
+  return Boolean(result[2] || isUnc);
+}
+
+module.exports = process.platform === 'win32' ? win32 : posix;
+module.exports.posix = posix;
+module.exports.win32 = win32;
+
+/***/ }),
+/* 905 */
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = globSync;
+globSync.GlobSync = GlobSync;
+
+var fs = __webpack_require__(824);
+
+var rp = __webpack_require__(899);
+
+var minimatch = __webpack_require__(844);
+
+var Minimatch = minimatch.Minimatch;
+
+var Glob = __webpack_require__(898).Glob;
+
+var util = __webpack_require__(412);
+
+var path = __webpack_require__(377);
+
+var assert = __webpack_require__(379);
+
+var isAbsolute = __webpack_require__(904);
+
+var common = __webpack_require__(906);
+
+var alphasort = common.alphasort;
+var alphasorti = common.alphasorti;
+var setopts = common.setopts;
+var ownProp = common.ownProp;
+var childrenIgnored = common.childrenIgnored;
+var isIgnored = common.isIgnored;
+
+function globSync(pattern, options) {
+  if (typeof options === 'function' || arguments.length === 3) throw new TypeError('callback provided to sync glob\n' + 'See: https://github.com/isaacs/node-glob/issues/167');
+  return new GlobSync(pattern, options).found;
+}
+
+function GlobSync(pattern, options) {
+  if (!pattern) throw new Error('must provide pattern');
+  if (typeof options === 'function' || arguments.length === 3) throw new TypeError('callback provided to sync glob\n' + 'See: https://github.com/isaacs/node-glob/issues/167');
+  if (!(this instanceof GlobSync)) return new GlobSync(pattern, options);
+  setopts(this, pattern, options);
+  if (this.noprocess) return this;
+  var n = this.minimatch.set.length;
+  this.matches = new Array(n);
+
+  for (var i = 0; i < n; i++) {
+    this._process(this.minimatch.set[i], i, false);
+  }
+
+  this._finish();
+}
+
+GlobSync.prototype._finish = function () {
+  assert(this instanceof GlobSync);
+
+  if (this.realpath) {
+    var self = this;
+    this.matches.forEach(function (matchset, index) {
+      var set = self.matches[index] = Object.create(null);
+
+      for (var p in matchset) {
+        try {
+          p = self._makeAbs(p);
+          var real = rp.realpathSync(p, self.realpathCache);
+          set[real] = true;
+        } catch (er) {
+          if (er.syscall === 'stat') set[self._makeAbs(p)] = true;else throw er;
+        }
+      }
+    });
+  }
+
+  common.finish(this);
+};
+
+GlobSync.prototype._process = function (pattern, index, inGlobStar) {
+  assert(this instanceof GlobSync); // Get the first [n] parts of pattern that are all strings.
+
+  var n = 0;
+
+  while (typeof pattern[n] === 'string') {
+    n++;
+  } // now n is the index of the first one that is *not* a string.
+  // See if there's anything else
+
+
+  var prefix;
+
+  switch (n) {
+    // if not, then this is rather simple
+    case pattern.length:
+      this._processSimple(pattern.join('/'), index);
+
+      return;
+
+    case 0:
+      // pattern *starts* with some non-trivial item.
+      // going to readdir(cwd), but not include the prefix in matches.
+      prefix = null;
+      break;
+
+    default:
+      // pattern has some string bits in the front.
+      // whatever it starts with, whether that's 'absolute' like /foo/bar,
+      // or 'relative' like '../baz'
+      prefix = pattern.slice(0, n).join('/');
+      break;
+  }
+
+  var remain = pattern.slice(n); // get the list of entries.
+
+  var read;
+  if (prefix === null) read = '.';else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) {
+    if (!prefix || !isAbsolute(prefix)) prefix = '/' + prefix;
+    read = prefix;
+  } else read = prefix;
+
+  var abs = this._makeAbs(read); //if ignored, skip processing
+
+
+  if (childrenIgnored(this, read)) return;
+  var isGlobStar = remain[0] === minimatch.GLOBSTAR;
+  if (isGlobStar) this._processGlobStar(prefix, read, abs, remain, index, inGlobStar);else this._processReaddir(prefix, read, abs, remain, index, inGlobStar);
+};
+
+GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) {
+  var entries = this._readdir(abs, inGlobStar); // if the abs isn't a dir, then nothing can match!
+
+
+  if (!entries) return; // It will only match dot entries if it starts with a dot, or if
+  // dot is set.  Stuff like @(.foo|.bar) isn't allowed.
+
+  var pn = remain[0];
+  var negate = !!this.minimatch.negate;
+  var rawGlob = pn._glob;
+  var dotOk = this.dot || rawGlob.charAt(0) === '.';
+  var matchedEntries = [];
+
+  for (var i = 0; i < entries.length; i++) {
+    var e = entries[i];
+
+    if (e.charAt(0) !== '.' || dotOk) {
+      var m;
+
+      if (negate && !prefix) {
+        m = !e.match(pn);
+      } else {
+        m = e.match(pn);
+      }
+
+      if (m) matchedEntries.push(e);
+    }
+  }
+
+  var len = matchedEntries.length; // If there are no matched entries, then nothing matches.
+
+  if (len === 0) return; // if this is the last remaining pattern bit, then no need for
+  // an additional stat *unless* the user has specified mark or
+  // stat explicitly.  We know they exist, since readdir returned
+  // them.
+
+  if (remain.length === 1 && !this.mark && !this.stat) {
+    if (!this.matches[index]) this.matches[index] = Object.create(null);
+
+    for (var i = 0; i < len; i++) {
+      var e = matchedEntries[i];
+
+      if (prefix) {
+        if (prefix.slice(-1) !== '/') e = prefix + '/' + e;else e = prefix + e;
+      }
+
+      if (e.charAt(0) === '/' && !this.nomount) {
+        e = path.join(this.root, e);
+      }
+
+      this._emitMatch(index, e);
+    } // This was the last one, and no stats were needed
+
+
+    return;
+  } // now test all matched entries as stand-ins for that part
+  // of the pattern.
+
+
+  remain.shift();
+
+  for (var i = 0; i < len; i++) {
+    var e = matchedEntries[i];
+    var newPattern;
+    if (prefix) newPattern = [prefix, e];else newPattern = [e];
+
+    this._process(newPattern.concat(remain), index, inGlobStar);
+  }
+};
+
+GlobSync.prototype._emitMatch = function (index, e) {
+  if (isIgnored(this, e)) return;
+
+  var abs = this._makeAbs(e);
+
+  if (this.mark) e = this._mark(e);
+
+  if (this.absolute) {
+    e = abs;
+  }
+
+  if (this.matches[index][e]) return;
+
+  if (this.nodir) {
+    var c = this.cache[abs];
+    if (c === 'DIR' || Array.isArray(c)) return;
+  }
+
+  this.matches[index][e] = true;
+  if (this.stat) this._stat(e);
+};
+
+GlobSync.prototype._readdirInGlobStar = function (abs) {
+  // follow all symlinked directories forever
+  // just proceed as if this is a non-globstar situation
+  if (this.follow) return this._readdir(abs, false);
+  var entries;
+  var lstat;
+  var stat;
+
+  try {
+    lstat = fs.lstatSync(abs);
+  } catch (er) {
+    if (er.code === 'ENOENT') {
+      // lstat failed, doesn't exist
+      return null;
+    }
+  }
+
+  var isSym = lstat && lstat.isSymbolicLink();
+  this.symlinks[abs] = isSym; // If it's not a symlink or a dir, then it's definitely a regular file.
+  // don't bother doing a readdir in that case.
+
+  if (!isSym && lstat && !lstat.isDirectory()) this.cache[abs] = 'FILE';else entries = this._readdir(abs, false);
+  return entries;
+};
+
+GlobSync.prototype._readdir = function (abs, inGlobStar) {
+  var entries;
+  if (inGlobStar && !ownProp(this.symlinks, abs)) return this._readdirInGlobStar(abs);
+
+  if (ownProp(this.cache, abs)) {
+    var c = this.cache[abs];
+    if (!c || c === 'FILE') return null;
+    if (Array.isArray(c)) return c;
+  }
+
+  try {
+    return this._readdirEntries(abs, fs.readdirSync(abs));
+  } catch (er) {
+    this._readdirError(abs, er);
+
+    return null;
+  }
+};
+
+GlobSync.prototype._readdirEntries = function (abs, entries) {
+  // if we haven't asked to stat everything, then just
+  // assume that everything in there exists, so we can avoid
+  // having to stat it a second time.
+  if (!this.mark && !this.stat) {
+    for (var i = 0; i < entries.length; i++) {
+      var e = entries[i];
+      if (abs === '/') e = abs + e;else e = abs + '/' + e;
+      this.cache[e] = true;
+    }
+  }
+
+  this.cache[abs] = entries; // mark and cache dir-ness
+
+  return entries;
+};
+
+GlobSync.prototype._readdirError = function (f, er) {
+  // handle errors, and cache the information
+  switch (er.code) {
+    case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205
+
+    case 'ENOTDIR':
+      // totally normal. means it *does* exist.
+      var abs = this._makeAbs(f);
+
+      this.cache[abs] = 'FILE';
+
+      if (abs === this.cwdAbs) {
+        var error = new Error(er.code + ' invalid cwd ' + this.cwd);
+        error.path = this.cwd;
+        error.code = er.code;
+        throw error;
+      }
+
+      break;
+
+    case 'ENOENT': // not terribly unusual
+
+    case 'ELOOP':
+    case 'ENAMETOOLONG':
+    case 'UNKNOWN':
+      this.cache[this._makeAbs(f)] = false;
+      break;
+
+    default:
+      // some unusual error.  Treat as failure.
+      this.cache[this._makeAbs(f)] = false;
+      if (this.strict) throw er;
+      if (!this.silent) console.error('glob error', er);
+      break;
+  }
+};
+
+GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) {
+  var entries = this._readdir(abs, inGlobStar); // no entries means not a dir, so it can never have matches
+  // foo.txt/** doesn't match foo.txt
+
+
+  if (!entries) return; // test without the globstar, and with every child both below
+  // and replacing the globstar.
+
+  var remainWithoutGlobStar = remain.slice(1);
+  var gspref = prefix ? [prefix] : [];
+  var noGlobStar = gspref.concat(remainWithoutGlobStar); // the noGlobStar pattern exits the inGlobStar state
+
+  this._process(noGlobStar, index, false);
+
+  var len = entries.length;
+  var isSym = this.symlinks[abs]; // If it's a symlink, and we're in a globstar, then stop
+
+  if (isSym && inGlobStar) return;
+
+  for (var i = 0; i < len; i++) {
+    var e = entries[i];
+    if (e.charAt(0) === '.' && !this.dot) continue; // these two cases enter the inGlobStar state
+
+    var instead = gspref.concat(entries[i], remainWithoutGlobStar);
+
+    this._process(instead, index, true);
+
+    var below = gspref.concat(entries[i], remain);
+
+    this._process(below, index, true);
+  }
+};
+
+GlobSync.prototype._processSimple = function (prefix, index) {
+  // XXX review this.  Shouldn't it be doing the mounting etc
+  // before doing stat?  kinda weird?
+  var exists = this._stat(prefix);
+
+  if (!this.matches[index]) this.matches[index] = Object.create(null); // If it doesn't exist, then just mark the lack of results
+
+  if (!exists) return;
+
+  if (prefix && isAbsolute(prefix) && !this.nomount) {
+    var trail = /[\/\\]$/.test(prefix);
+
+    if (prefix.charAt(0) === '/') {
+      prefix = path.join(this.root, prefix);
+    } else {
+      prefix = path.resolve(this.root, prefix);
+      if (trail) prefix += '/';
+    }
+  }
+
+  if (process.platform === 'win32') prefix = prefix.replace(/\\/g, '/'); // Mark this as a match
+
+  this._emitMatch(index, prefix);
+}; // Returns either 'DIR', 'FILE', or false
+
+
+GlobSync.prototype._stat = function (f) {
+  var abs = this._makeAbs(f);
+
+  var needDir = f.slice(-1) === '/';
+  if (f.length > this.maxLength) return false;
+
+  if (!this.stat && ownProp(this.cache, abs)) {
+    var c = this.cache[abs];
+    if (Array.isArray(c)) c = 'DIR'; // It exists, but maybe not how we need it
+
+    if (!needDir || c === 'DIR') return c;
+    if (needDir && c === 'FILE') return false; // otherwise we have to stat, because maybe c=true
+    // if we know it exists, but not what it is.
+  }
+
+  var exists;
+  var stat = this.statCache[abs];
+
+  if (!stat) {
+    var lstat;
+
+    try {
+      lstat = fs.lstatSync(abs);
+    } catch (er) {
+      if (er && (er.code === 'ENOENT' || er.code === 'ENOTDIR')) {
+        this.statCache[abs] = false;
+        return false;
+      }
+    }
+
+    if (lstat && lstat.isSymbolicLink()) {
+      try {
+        stat = fs.statSync(abs);
+      } catch (er) {
+        stat = lstat;
+      }
+    } else {
+      stat = lstat;
+    }
+  }
+
+  this.statCache[abs] = stat;
+  var c = true;
+  if (stat) c = stat.isDirectory() ? 'DIR' : 'FILE';
+  this.cache[abs] = this.cache[abs] || c;
+  if (needDir && c === 'FILE') return false;
+  return c;
+};
+
+GlobSync.prototype._mark = function (p) {
+  return common.mark(this, p);
+};
+
+GlobSync.prototype._makeAbs = function (f) {
+  return common.makeAbs(this, f);
+};
+
+/***/ }),
+/* 906 */
+/***/ (function(module, exports, __webpack_require__) {
+
+exports.alphasort = alphasort;
+exports.alphasorti = alphasorti;
+exports.setopts = setopts;
+exports.ownProp = ownProp;
+exports.makeAbs = makeAbs;
+exports.finish = finish;
+exports.mark = mark;
+exports.isIgnored = isIgnored;
+exports.childrenIgnored = childrenIgnored;
+
+function ownProp(obj, field) {
+  return Object.prototype.hasOwnProperty.call(obj, field);
+}
+
+var path = __webpack_require__(377);
+
+var minimatch = __webpack_require__(844);
+
+var isAbsolute = __webpack_require__(904);
+
+var Minimatch = minimatch.Minimatch;
+
+function alphasorti(a, b) {
+  return a.toLowerCase().localeCompare(b.toLowerCase());
+}
+
+function alphasort(a, b) {
+  return a.localeCompare(b);
+}
+
+function setupIgnores(self, options) {
+  self.ignore = options.ignore || [];
+  if (!Array.isArray(self.ignore)) self.ignore = [self.ignore];
+
+  if (self.ignore.length) {
+    self.ignore = self.ignore.map(ignoreMap);
+  }
+} // ignore patterns are always in dot:true mode.
+
+
+function ignoreMap(pattern) {
+  var gmatcher = null;
+
+  if (pattern.slice(-3) === '/**') {
+    var gpattern = pattern.replace(/(\/\*\*)+$/, '');
+    gmatcher = new Minimatch(gpattern, {
+      dot: true
+    });
+  }
+
+  return {
+    matcher: new Minimatch(pattern, {
+      dot: true
+    }),
+    gmatcher: gmatcher
+  };
+}
+
+function setopts(self, pattern, options) {
+  if (!options) options = {}; // base-matching: just use globstar for that.
+
+  if (options.matchBase && -1 === pattern.indexOf("/")) {
+    if (options.noglobstar) {
+      throw new Error("base matching requires globstar");
+    }
+
+    pattern = "**/" + pattern;
+  }
+
+  self.silent = !!options.silent;
+  self.pattern = pattern;
+  self.strict = options.strict !== false;
+  self.realpath = !!options.realpath;
+  self.realpathCache = options.realpathCache || Object.create(null);
+  self.follow = !!options.follow;
+  self.dot = !!options.dot;
+  self.mark = !!options.mark;
+  self.nodir = !!options.nodir;
+  if (self.nodir) self.mark = true;
+  self.sync = !!options.sync;
+  self.nounique = !!options.nounique;
+  self.nonull = !!options.nonull;
+  self.nosort = !!options.nosort;
+  self.nocase = !!options.nocase;
+  self.stat = !!options.stat;
+  self.noprocess = !!options.noprocess;
+  self.absolute = !!options.absolute;
+  self.maxLength = options.maxLength || Infinity;
+  self.cache = options.cache || Object.create(null);
+  self.statCache = options.statCache || Object.create(null);
+  self.symlinks = options.symlinks || Object.create(null);
+  setupIgnores(self, options);
+  self.changedCwd = false;
+  var cwd = process.cwd();
+  if (!ownProp(options, "cwd")) self.cwd = cwd;else {
+    self.cwd = path.resolve(options.cwd);
+    self.changedCwd = self.cwd !== cwd;
+  }
+  self.root = options.root || path.resolve(self.cwd, "/");
+  self.root = path.resolve(self.root);
+  if (process.platform === "win32") self.root = self.root.replace(/\\/g, "/"); // TODO: is an absolute `cwd` supposed to be resolved against `root`?
+  // e.g. { cwd: '/test', root: __dirname } === path.join(__dirname, '/test')
+
+  self.cwdAbs = isAbsolute(self.cwd) ? self.cwd : makeAbs(self, self.cwd);
+  if (process.platform === "win32") self.cwdAbs = self.cwdAbs.replace(/\\/g, "/");
+  self.nomount = !!options.nomount; // disable comments and negation in Minimatch.
+  // Note that they are not supported in Glob itself anyway.
+
+  options.nonegate = true;
+  options.nocomment = true;
+  self.minimatch = new Minimatch(pattern, options);
+  self.options = self.minimatch.options;
+}
+
+function finish(self) {
+  var nou = self.nounique;
+  var all = nou ? [] : Object.create(null);
+
+  for (var i = 0, l = self.matches.length; i < l; i++) {
+    var matches = self.matches[i];
+
+    if (!matches || Object.keys(matches).length === 0) {
+      if (self.nonull) {
+        // do like the shell, and spit out the literal glob
+        var literal = self.minimatch.globSet[i];
+        if (nou) all.push(literal);else all[literal] = true;
+      }
+    } else {
+      // had matches
+      var m = Object.keys(matches);
+      if (nou) all.push.apply(all, m);else m.forEach(function (m) {
+        all[m] = true;
+      });
+    }
+  }
+
+  if (!nou) all = Object.keys(all);
+  if (!self.nosort) all = all.sort(self.nocase ? alphasorti : alphasort); // at *some* point we statted all of these
+
+  if (self.mark) {
+    for (var i = 0; i < all.length; i++) {
+      all[i] = self._mark(all[i]);
+    }
+
+    if (self.nodir) {
+      all = all.filter(function (e) {
+        var notDir = !/\/$/.test(e);
+        var c = self.cache[e] || self.cache[makeAbs(self, e)];
+        if (notDir && c) notDir = c !== 'DIR' && !Array.isArray(c);
+        return notDir;
+      });
+    }
+  }
+
+  if (self.ignore.length) all = all.filter(function (m) {
+    return !isIgnored(self, m);
+  });
+  self.found = all;
+}
+
+function mark(self, p) {
+  var abs = makeAbs(self, p);
+  var c = self.cache[abs];
+  var m = p;
+
+  if (c) {
+    var isDir = c === 'DIR' || Array.isArray(c);
+    var slash = p.slice(-1) === '/';
+    if (isDir && !slash) m += '/';else if (!isDir && slash) m = m.slice(0, -1);
+
+    if (m !== p) {
+      var mabs = makeAbs(self, m);
+      self.statCache[mabs] = self.statCache[abs];
+      self.cache[mabs] = self.cache[abs];
+    }
+  }
+
+  return m;
+} // lotta situps...
+
+
+function makeAbs(self, f) {
+  var abs = f;
+
+  if (f.charAt(0) === '/') {
+    abs = path.join(self.root, f);
+  } else if (isAbsolute(f) || f === '') {
+    abs = f;
+  } else if (self.changedCwd) {
+    abs = path.resolve(self.cwd, f);
+  } else {
+    abs = path.resolve(f);
+  }
+
+  if (process.platform === 'win32') abs = abs.replace(/\\/g, '/');
+  return abs;
+} // Return true, if pattern ends with globstar '**', for the accompanying parent directory.
+// Ex:- If node_modules/** is the pattern, add 'node_modules' to ignore list along with it's contents
+
+
+function isIgnored(self, path) {
+  if (!self.ignore.length) return false;
+  return self.ignore.some(function (item) {
+    return item.matcher.match(path) || !!(item.gmatcher && item.gmatcher.match(path));
+  });
+}
+
+function childrenIgnored(self, path) {
+  if (!self.ignore.length) return false;
+  return self.ignore.some(function (item) {
+    return !!(item.gmatcher && item.gmatcher.match(path));
+  });
+}
+
+/***/ }),
+/* 907 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wrappy = __webpack_require__(908);
+
+var reqs = Object.create(null);
+
+var once = __webpack_require__(909);
+
+module.exports = wrappy(inflight);
+
+function inflight(key, cb) {
+  if (reqs[key]) {
+    reqs[key].push(cb);
+    return null;
+  } else {
+    reqs[key] = [cb];
+    return makeres(key);
+  }
+}
+
+function makeres(key) {
+  return once(function RES() {
+    var cbs = reqs[key];
+    var len = cbs.length;
+    var args = slice(arguments); // XXX It's somewhat ambiguous whether a new callback added in this
+    // pass should be queued for later execution if something in the
+    // list of callbacks throws, or if it should just be discarded.
+    // However, it's such an edge case that it hardly matters, and either
+    // choice is likely as surprising as the other.
+    // As it happens, we do go ahead and schedule it for later execution.
+
+    try {
+      for (var i = 0; i < len; i++) {
+        cbs[i].apply(null, args);
+      }
+    } finally {
+      if (cbs.length > len) {
+        // added more in the interim.
+        // de-zalgo, just in case, but don't call again.
+        cbs.splice(0, len);
+        process.nextTick(function () {
+          RES.apply(null, args);
+        });
+      } else {
+        delete reqs[key];
+      }
+    }
+  });
+}
+
+function slice(args) {
+  var length = args.length;
+  var array = [];
+
+  for (var i = 0; i < length; i++) array[i] = args[i];
+
+  return array;
+}
+
+/***/ }),
+/* 908 */
+/***/ (function(module, exports) {
+
+// Returns a wrapper function that returns a wrapped callback
+// The wrapper function should do some stuff, and return a
+// presumably different callback function.
+// This makes sure that own properties are retained, so that
+// decorations and such are not lost along the way.
+module.exports = wrappy;
+
+function wrappy(fn, cb) {
+  if (fn && cb) return wrappy(fn)(cb);
+  if (typeof fn !== 'function') throw new TypeError('need wrapper function');
+  Object.keys(fn).forEach(function (k) {
+    wrapper[k] = fn[k];
+  });
+  return wrapper;
+
+  function wrapper() {
+    var args = new Array(arguments.length);
+
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+
+    var ret = fn.apply(this, args);
+    var cb = args[args.length - 1];
+
+    if (typeof ret === 'function' && ret !== cb) {
+      Object.keys(cb).forEach(function (k) {
+        ret[k] = cb[k];
+      });
+    }
+
+    return ret;
+  }
+}
+
+/***/ }),
+/* 909 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var wrappy = __webpack_require__(908);
+
+module.exports = wrappy(once);
+module.exports.strict = wrappy(onceStrict);
+once.proto = once(function () {
+  Object.defineProperty(Function.prototype, 'once', {
+    value: function value() {
+      return once(this);
+    },
+    configurable: true
+  });
+  Object.defineProperty(Function.prototype, 'onceStrict', {
+    value: function value() {
+      return onceStrict(this);
+    },
+    configurable: true
+  });
+});
+
+function once(fn) {
+  var f = function f() {
+    if (f.called) return f.value;
+    f.called = true;
+    return f.value = fn.apply(this, arguments);
+  };
+
+  f.called = false;
+  return f;
+}
+
+function onceStrict(fn) {
+  var f = function f() {
+    if (f.called) throw new Error(f.onceError);
+    f.called = true;
+    return f.value = fn.apply(this, arguments);
+  };
+
+  var name = fn.name || 'Function wrapped with `once`';
+  f.onceError = name + " shouldn't be called more than once";
+  f.called = false;
+  return f;
+}
+
+/***/ }),
+/* 910 */
+/***/ (function(module, exports) {
+
+module.exports = function (obj, opts) {
+  if (!opts) opts = {};
+  if (typeof opts === 'function') opts = {
+    cmp: opts
+  };
+  var space = opts.space || '';
+  if (typeof space === 'number') space = Array(space + 1).join(' ');
+  var cycles = typeof opts.cycles === 'boolean' ? opts.cycles : false;
+
+  var replacer = opts.replacer || function (key, value) {
+    return value;
+  };
+
+  var cmp = opts.cmp && function (f) {
+    return function (node) {
+      return function (a, b) {
+        var aobj = {
+          key: a,
+          value: node[a]
+        };
+        var bobj = {
+          key: b,
+          value: node[b]
+        };
+        return f(aobj, bobj);
+      };
+    };
+  }(opts.cmp);
+
+  var seen = [];
+  return function stringify(parent, key, node, level) {
+    var indent = space ? '\n' + new Array(level + 1).join(space) : '';
+    var colonSeparator = space ? ': ' : ':';
+
+    if (node && node.toJSON && typeof node.toJSON === 'function') {
+      node = node.toJSON();
+    }
+
+    node = replacer.call(parent, key, node);
+
+    if (node === undefined) {
+      return;
+    }
+
+    if (typeof node !== 'object' || node === null) {
+      return JSON.stringify(node);
+    }
+
+    if (isArray(node)) {
+      var out = [];
+
+      for (var i = 0; i < node.length; i++) {
+        var item = stringify(node, i, node[i], level + 1) || JSON.stringify(null);
+        out.push(indent + space + item);
+      }
+
+      return '[' + out.join(',') + indent + ']';
+    } else {
+      if (seen.indexOf(node) !== -1) {
+        if (cycles) return JSON.stringify('__cycle__');
+        throw new TypeError('Converting circular structure to JSON');
+      } else seen.push(node);
+
+      var keys = objectKeys(node).sort(cmp && cmp(node));
+      var out = [];
+
+      for (var i = 0; i < keys.length; i++) {
+        var key = keys[i];
+        var value = stringify(node, key, node[key], level + 1);
+        if (!value) continue;
+        var keyValue = JSON.stringify(key) + colonSeparator + value;
+        ;
+        out.push(indent + space + keyValue);
+      }
+
+      seen.splice(seen.indexOf(node), 1);
+      return '{' + out.join(',') + indent + '}';
+    }
+  }({
+    '': obj
+  }, '', obj, 0);
+};
+
+var isArray = Array.isArray || function (x) {
+  return {}.toString.call(x) === '[object Array]';
+};
+
+var objectKeys = Object.keys || function (obj) {
+  var has = Object.prototype.hasOwnProperty || function () {
+    return true;
+  };
+
+  var keys = [];
+
+  for (var key in obj) {
+    if (has.call(obj, key)) keys.push(key);
+  }
+
+  return keys;
+};
+
+/***/ })
+/******/ ]);
\ No newline at end of file
-- 
2.39.5